tools/perf/builtin-script.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include "builtin.h"
   3
   4 #include "util/counts.h"
   5 #include "util/debug.h"
   6 #include "util/dso.h"
   7 #include <subcmd/exec-cmd.h>
   8 #include "util/header.h"
   9 #include <subcmd/parse-options.h>
  10 #include "util/perf_regs.h"
  11 #include "util/session.h"
  12 #include "util/tool.h"
  13 #include "util/map.h"
  14 #include "util/srcline.h"
  15 #include "util/symbol.h"
  16 #include "util/thread.h"
  17 #include "util/trace-event.h"
  18 #include "util/env.h"
  19 #include "util/evlist.h"
  20 #include "util/evsel.h"
  21 #include "util/evsel_fprintf.h"
  22 #include "util/evswitch.h"
  23 #include "util/sort.h"
  24 #include "util/data.h"
  25 #include "util/auxtrace.h"
  26 #include "util/cpumap.h"
  27 #include "util/thread_map.h"
  28 #include "util/stat.h"
  29 #include "util/color.h"
  30 #include "util/string2.h"
  31 #include "util/thread-stack.h"
  32 #include "util/time-utils.h"
  33 #include "util/path.h"
  34 #include "util/event.h"
  35 #include "ui/ui.h"
  36 #include "print_binary.h"
  37 #include "archinsn.h"
  38 #include <linux/bitmap.h>
  39 #include <linux/kernel.h>
  40 #include <linux/stringify.h>
  41 #include <linux/time64.h>
  42 #include <linux/zalloc.h>
  43 #include <sys/utsname.h>
  44 #include "asm/bug.h"
  45 #include "util/mem-events.h"
  46 #include "util/dump-insn.h"
  47 #include <dirent.h>
  48 #include <errno.h>
  49 #include <inttypes.h>
  50 #include <signal.h>
  51 #include <sys/param.h>
  52 #include <sys/types.h>
  53 #include <sys/stat.h>
  54 #include <fcntl.h>
  55 #include <unistd.h>
  56 #include <subcmd/pager.h>
  57 #include <perf/evlist.h>
  58 #include <linux/err.h>
  59 #include "util/dlfilter.h"
  60 #include "util/record.h"
  61 #include "util/util.h"
  62 #include "util/cgroup.h"
  63 #include "perf.h"
  64
  65 #include <linux/ctype.h>
  66 #ifdef HAVE_LIBTRACEEVENT
  67 #include <traceevent/event-parse.h>
  68 #endif
  69
  70 static char const               *script_name;
  71 static char const               *generate_script_lang;
  72 static bool                     reltime;
  73 static bool                     deltatime;
  74 static u64                      initial_time;
  75 static u64                      previous_time;
  76 static bool                     debug_mode;
  77 static u64                      last_timestamp;
  78 static u64                      nr_unordered;
  79 static bool                     no_callchain;
  80 static bool                     latency_format;
  81 static bool                     system_wide;
  82 static bool                     print_flags;
  83 static const char               *cpu_list;
  84 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
  85 static struct perf_stat_config  stat_config;
  86 static int                      max_blocks;
  87 static bool                     native_arch;
  88 static struct dlfilter          *dlfilter;
  89 static int                      dlargc;
  90 static char                     **dlargv;
  91
  92 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
  93
  94 enum perf_output_field {
  95         PERF_OUTPUT_COMM            = 1ULL << 0,
  96         PERF_OUTPUT_TID             = 1ULL << 1,
  97         PERF_OUTPUT_PID             = 1ULL << 2,
  98         PERF_OUTPUT_TIME            = 1ULL << 3,
  99         PERF_OUTPUT_CPU             = 1ULL << 4,
 100         PERF_OUTPUT_EVNAME          = 1ULL << 5,
 101         PERF_OUTPUT_TRACE           = 1ULL << 6,
 102         PERF_OUTPUT_IP              = 1ULL << 7,
 103         PERF_OUTPUT_SYM             = 1ULL << 8,
 104         PERF_OUTPUT_DSO             = 1ULL << 9,
 105         PERF_OUTPUT_ADDR            = 1ULL << 10,
 106         PERF_OUTPUT_SYMOFFSET       = 1ULL << 11,
 107         PERF_OUTPUT_SRCLINE         = 1ULL << 12,
 108         PERF_OUTPUT_PERIOD          = 1ULL << 13,
 109         PERF_OUTPUT_IREGS           = 1ULL << 14,
 110         PERF_OUTPUT_BRSTACK         = 1ULL << 15,
 111         PERF_OUTPUT_BRSTACKSYM      = 1ULL << 16,
 112         PERF_OUTPUT_DATA_SRC        = 1ULL << 17,
 113         PERF_OUTPUT_WEIGHT          = 1ULL << 18,
 114         PERF_OUTPUT_BPF_OUTPUT      = 1ULL << 19,
 115         PERF_OUTPUT_CALLINDENT      = 1ULL << 20,
 116         PERF_OUTPUT_INSN            = 1ULL << 21,
 117         PERF_OUTPUT_INSNLEN         = 1ULL << 22,
 118         PERF_OUTPUT_BRSTACKINSN     = 1ULL << 23,
 119         PERF_OUTPUT_BRSTACKOFF      = 1ULL << 24,
 120         PERF_OUTPUT_SYNTH           = 1ULL << 25,
 121         PERF_OUTPUT_PHYS_ADDR       = 1ULL << 26,
 122         PERF_OUTPUT_UREGS           = 1ULL << 27,
 123         PERF_OUTPUT_METRIC          = 1ULL << 28,
 124         PERF_OUTPUT_MISC            = 1ULL << 29,
 125         PERF_OUTPUT_SRCCODE         = 1ULL << 30,
 126         PERF_OUTPUT_IPC             = 1ULL << 31,
 127         PERF_OUTPUT_TOD             = 1ULL << 32,
 128         PERF_OUTPUT_DATA_PAGE_SIZE  = 1ULL << 33,
 129         PERF_OUTPUT_CODE_PAGE_SIZE  = 1ULL << 34,
 130         PERF_OUTPUT_INS_LAT         = 1ULL << 35,
 131         PERF_OUTPUT_BRSTACKINSNLEN  = 1ULL << 36,
 132         PERF_OUTPUT_MACHINE_PID     = 1ULL << 37,
 133         PERF_OUTPUT_VCPU            = 1ULL << 38,
 134         PERF_OUTPUT_CGROUP          = 1ULL << 39,
 135         PERF_OUTPUT_RETIRE_LAT      = 1ULL << 40,
 136 };
 137
 138 struct perf_script {
 139         struct perf_tool        tool;
 140         struct perf_session     *session;
 141         bool                    show_task_events;
 142         bool                    show_mmap_events;
 143         bool                    show_switch_events;
 144         bool                    show_namespace_events;
 145         bool                    show_lost_events;
 146         bool                    show_round_events;
 147         bool                    show_bpf_events;
 148         bool                    show_cgroup_events;
 149         bool                    show_text_poke_events;
 150         bool                    allocated;
 151         bool                    per_event_dump;
 152         bool                    stitch_lbr;
 153         struct evswitch         evswitch;
 154         struct perf_cpu_map     *cpus;
 155         struct perf_thread_map *threads;
 156         int                     name_width;
 157         const char              *time_str;
 158         struct perf_time_interval *ptime_range;
 159         int                     range_size;
 160         int                     range_num;
 161 };
 162
 163 struct output_option {
 164         const char *str;
 165         enum perf_output_field field;
 166 } all_output_options[] = {
 167         {.str = "comm",  .field = PERF_OUTPUT_COMM},
 168         {.str = "tid",   .field = PERF_OUTPUT_TID},
 169         {.str = "pid",   .field = PERF_OUTPUT_PID},
 170         {.str = "time",  .field = PERF_OUTPUT_TIME},
 171         {.str = "cpu",   .field = PERF_OUTPUT_CPU},
 172         {.str = "event", .field = PERF_OUTPUT_EVNAME},
 173         {.str = "trace", .field = PERF_OUTPUT_TRACE},
 174         {.str = "ip",    .field = PERF_OUTPUT_IP},
 175         {.str = "sym",   .field = PERF_OUTPUT_SYM},
 176         {.str = "dso",   .field = PERF_OUTPUT_DSO},
 177         {.str = "addr",  .field = PERF_OUTPUT_ADDR},
 178         {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
 179         {.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
 180         {.str = "period", .field = PERF_OUTPUT_PERIOD},
 181         {.str = "iregs", .field = PERF_OUTPUT_IREGS},
 182         {.str = "uregs", .field = PERF_OUTPUT_UREGS},
 183         {.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
 184         {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
 185         {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
 186         {.str = "weight",   .field = PERF_OUTPUT_WEIGHT},
 187         {.str = "bpf-output",   .field = PERF_OUTPUT_BPF_OUTPUT},
 188         {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
 189         {.str = "insn", .field = PERF_OUTPUT_INSN},
 190         {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
 191         {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
 192         {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
 193         {.str = "synth", .field = PERF_OUTPUT_SYNTH},
 194         {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
 195         {.str = "metric", .field = PERF_OUTPUT_METRIC},
 196         {.str = "misc", .field = PERF_OUTPUT_MISC},
 197         {.str = "srccode", .field = PERF_OUTPUT_SRCCODE},
 198         {.str = "ipc", .field = PERF_OUTPUT_IPC},
 199         {.str = "tod", .field = PERF_OUTPUT_TOD},
 200         {.str = "data_page_size", .field = PERF_OUTPUT_DATA_PAGE_SIZE},
 201         {.str = "code_page_size", .field = PERF_OUTPUT_CODE_PAGE_SIZE},
 202         {.str = "ins_lat", .field = PERF_OUTPUT_INS_LAT},
 203         {.str = "brstackinsnlen", .field = PERF_OUTPUT_BRSTACKINSNLEN},
 204         {.str = "machine_pid", .field = PERF_OUTPUT_MACHINE_PID},
 205         {.str = "vcpu", .field = PERF_OUTPUT_VCPU},
 206         {.str = "cgroup", .field = PERF_OUTPUT_CGROUP},
 207         {.str = "retire_lat", .field = PERF_OUTPUT_RETIRE_LAT},
 208 };
 209
 210 enum {
 211         OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
 212         OUTPUT_TYPE_OTHER,
 213         OUTPUT_TYPE_MAX
 214 };
 215
 216 /* default set to maintain compatibility with current format */
 217 static struct {
 218         bool user_set;
 219         bool wildcard_set;
 220         unsigned int print_ip_opts;
 221         u64 fields;
 222         u64 invalid_fields;
 223         u64 user_set_fields;
 224         u64 user_unset_fields;
 225 } output[OUTPUT_TYPE_MAX] = {
 226
 227         [PERF_TYPE_HARDWARE] = {
 228                 .user_set = false,
 229
 230                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 231                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 232                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 233                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 234                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 235
 236                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 237         },
 238
 239         [PERF_TYPE_SOFTWARE] = {
 240                 .user_set = false,
 241
 242                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 243                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 244                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 245                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 246                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
 247                               PERF_OUTPUT_BPF_OUTPUT,
 248
 249                 .invalid_fields = PERF_OUTPUT_TRACE,
 250         },
 251
 252         [PERF_TYPE_TRACEPOINT] = {
 253                 .user_set = false,
 254
 255                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 256                                   PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 257                                   PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
 258         },
 259
 260         [PERF_TYPE_HW_CACHE] = {
 261                 .user_set = false,
 262
 263                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 264                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 265                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 266                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 267                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 268
 269                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 270         },
 271
 272         [PERF_TYPE_RAW] = {
 273                 .user_set = false,
 274
 275                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 276                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 277                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 278                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 279                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
 280                               PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
 281                               PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR |
 282                               PERF_OUTPUT_DATA_PAGE_SIZE | PERF_OUTPUT_CODE_PAGE_SIZE |
 283                               PERF_OUTPUT_INS_LAT | PERF_OUTPUT_RETIRE_LAT,
 284
 285                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 286         },
 287
 288         [PERF_TYPE_BREAKPOINT] = {
 289                 .user_set = false,
 290
 291                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 292                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 293                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 294                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 295                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 296
 297                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 298         },
 299
 300         [OUTPUT_TYPE_SYNTH] = {
 301                 .user_set = false,
 302
 303                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 304                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 305                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 306                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 307                               PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH,
 308
 309                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 310         },
 311
 312         [OUTPUT_TYPE_OTHER] = {
 313                 .user_set = false,
 314
 315                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 316                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 317                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 318                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 319                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 320
 321                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 322         },
 323 };
 324
 325 struct evsel_script {
 326        char *filename;
 327        FILE *fp;
 328        u64  samples;
 329        /* For metric output */
 330        u64  val;
 331        int  gnum;
 332 };
 333
 334 static inline struct evsel_script *evsel_script(struct evsel *evsel)
 335 {
 336         return (struct evsel_script *)evsel->priv;
 337 }
 338
 339 static struct evsel_script *evsel_script__new(struct evsel *evsel, struct perf_data *data)
 340 {
 341         struct evsel_script *es = zalloc(sizeof(*es));
 342
 343         if (es != NULL) {
 344                 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0)
 345                         goto out_free;
 346                 es->fp = fopen(es->filename, "w");
 347                 if (es->fp == NULL)
 348                         goto out_free_filename;
 349         }
 350
 351         return es;
 352 out_free_filename:
 353         zfree(&es->filename);
 354 out_free:
 355         free(es);
 356         return NULL;
 357 }
 358
 359 static void evsel_script__delete(struct evsel_script *es)
 360 {
 361         zfree(&es->filename);
 362         fclose(es->fp);
 363         es->fp = NULL;
 364         free(es);
 365 }
 366
 367 static int evsel_script__fprintf(struct evsel_script *es, FILE *fp)
 368 {
 369         struct stat st;
 370
 371         fstat(fileno(es->fp), &st);
 372         return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
 373                        st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
 374 }
 375
 376 static inline int output_type(unsigned int type)
 377 {
 378         switch (type) {
 379         case PERF_TYPE_SYNTH:
 380                 return OUTPUT_TYPE_SYNTH;
 381         default:
 382                 if (type < PERF_TYPE_MAX)
 383                         return type;
 384         }
 385
 386         return OUTPUT_TYPE_OTHER;
 387 }
 388
 389 static bool output_set_by_user(void)
 390 {
 391         int j;
 392         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 393                 if (output[j].user_set)
 394                         return true;
 395         }
 396         return false;
 397 }
 398
 399 static const char *output_field2str(enum perf_output_field field)
 400 {
 401         int i, imax = ARRAY_SIZE(all_output_options);
 402         const char *str = "";
 403
 404         for (i = 0; i < imax; ++i) {
 405                 if (all_output_options[i].field == field) {
 406                         str = all_output_options[i].str;
 407                         break;
 408                 }
 409         }
 410         return str;
 411 }
 412
 413 #define PRINT_FIELD(x)  (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
 414
 415 static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
 416                                  enum perf_output_field field, bool allow_user_set)
 417 {
 418         struct perf_event_attr *attr = &evsel->core.attr;
 419         int type = output_type(attr->type);
 420         const char *evname;
 421
 422         if (attr->sample_type & sample_type)
 423                 return 0;
 424
 425         if (output[type].user_set_fields & field) {
 426                 if (allow_user_set)
 427                         return 0;
 428                 evname = evsel__name(evsel);
 429                 pr_err("Samples for '%s' event do not have %s attribute set. "
 430                        "Cannot print '%s' field.\n",
 431                        evname, sample_msg, output_field2str(field));
 432                 return -1;
 433         }
 434
 435         /* user did not ask for it explicitly so remove from the default list */
 436         output[type].fields &= ~field;
 437         evname = evsel__name(evsel);
 438         pr_debug("Samples for '%s' event do not have %s attribute set. "
 439                  "Skipping '%s' field.\n",
 440                  evname, sample_msg, output_field2str(field));
 441
 442         return 0;
 443 }
 444
 445 static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
 446                               enum perf_output_field field)
 447 {
 448         return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false);
 449 }
 450
 451 static int evsel__check_attr(struct evsel *evsel, struct perf_session *session)
 452 {
 453         struct perf_event_attr *attr = &evsel->core.attr;
 454         bool allow_user_set;
 455
 456         if (evsel__is_dummy_event(evsel))
 457                 return 0;
 458
 459         if (perf_header__has_feat(&session->header, HEADER_STAT))
 460                 return 0;
 461
 462         allow_user_set = perf_header__has_feat(&session->header,
 463                                                HEADER_AUXTRACE);
 464
 465         if (PRINT_FIELD(TRACE) &&
 466             !perf_session__has_traces(session, "record -R"))
 467                 return -EINVAL;
 468
 469         if (PRINT_FIELD(IP)) {
 470                 if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP))
 471                         return -EINVAL;
 472         }
 473
 474         if (PRINT_FIELD(ADDR) &&
 475             evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set))
 476                 return -EINVAL;
 477
 478         if (PRINT_FIELD(DATA_SRC) &&
 479             evsel__do_check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC, allow_user_set))
 480                 return -EINVAL;
 481
 482         if (PRINT_FIELD(WEIGHT) &&
 483             evsel__do_check_stype(evsel, PERF_SAMPLE_WEIGHT_TYPE, "WEIGHT", PERF_OUTPUT_WEIGHT, allow_user_set))
 484                 return -EINVAL;
 485
 486         if (PRINT_FIELD(SYM) &&
 487             !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
 488                 pr_err("Display of symbols requested but neither sample IP nor "
 489                            "sample address\navailable. Hence, no addresses to convert "
 490                        "to symbols.\n");
 491                 return -EINVAL;
 492         }
 493         if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
 494                 pr_err("Display of offsets requested but symbol is not"
 495                        "selected.\n");
 496                 return -EINVAL;
 497         }
 498         if (PRINT_FIELD(DSO) &&
 499             !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
 500                 pr_err("Display of DSO requested but no address to convert.\n");
 501                 return -EINVAL;
 502         }
 503         if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) {
 504                 pr_err("Display of source line number requested but sample IP is not\n"
 505                        "selected. Hence, no address to lookup the source line number.\n");
 506                 return -EINVAL;
 507         }
 508         if ((PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN)) && !allow_user_set &&
 509             !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) {
 510                 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
 511                        "Hint: run 'perf record -b ...'\n");
 512                 return -EINVAL;
 513         }
 514         if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
 515             evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID))
 516                 return -EINVAL;
 517
 518         if (PRINT_FIELD(TIME) &&
 519             evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME))
 520                 return -EINVAL;
 521
 522         if (PRINT_FIELD(CPU) &&
 523             evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set))
 524                 return -EINVAL;
 525
 526         if (PRINT_FIELD(IREGS) &&
 527             evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set))
 528                 return -EINVAL;
 529
 530         if (PRINT_FIELD(UREGS) &&
 531             evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS))
 532                 return -EINVAL;
 533
 534         if (PRINT_FIELD(PHYS_ADDR) &&
 535             evsel__do_check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR, allow_user_set))
 536                 return -EINVAL;
 537
 538         if (PRINT_FIELD(DATA_PAGE_SIZE) &&
 539             evsel__check_stype(evsel, PERF_SAMPLE_DATA_PAGE_SIZE, "DATA_PAGE_SIZE", PERF_OUTPUT_DATA_PAGE_SIZE))
 540                 return -EINVAL;
 541
 542         if (PRINT_FIELD(CODE_PAGE_SIZE) &&
 543             evsel__check_stype(evsel, PERF_SAMPLE_CODE_PAGE_SIZE, "CODE_PAGE_SIZE", PERF_OUTPUT_CODE_PAGE_SIZE))
 544                 return -EINVAL;
 545
 546         if (PRINT_FIELD(INS_LAT) &&
 547             evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_INS_LAT))
 548                 return -EINVAL;
 549
 550         if (PRINT_FIELD(CGROUP) &&
 551             evsel__check_stype(evsel, PERF_SAMPLE_CGROUP, "CGROUP", PERF_OUTPUT_CGROUP)) {
 552                 pr_err("Hint: run 'perf record --all-cgroups ...'\n");
 553                 return -EINVAL;
 554         }
 555
 556         if (PRINT_FIELD(RETIRE_LAT) &&
 557             evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_RETIRE_LAT))
 558                 return -EINVAL;
 559
 560         return 0;
 561 }
 562
 563 static void set_print_ip_opts(struct perf_event_attr *attr)
 564 {
 565         unsigned int type = output_type(attr->type);
 566
 567         output[type].print_ip_opts = 0;
 568         if (PRINT_FIELD(IP))
 569                 output[type].print_ip_opts |= EVSEL__PRINT_IP;
 570
 571         if (PRINT_FIELD(SYM))
 572                 output[type].print_ip_opts |= EVSEL__PRINT_SYM;
 573
 574         if (PRINT_FIELD(DSO))
 575                 output[type].print_ip_opts |= EVSEL__PRINT_DSO;
 576
 577         if (PRINT_FIELD(SYMOFFSET))
 578                 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
 579
 580         if (PRINT_FIELD(SRCLINE))
 581                 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
 582 }
 583
 584 static struct evsel *find_first_output_type(struct evlist *evlist,
 585                                             unsigned int type)
 586 {
 587         struct evsel *evsel;
 588
 589         evlist__for_each_entry(evlist, evsel) {
 590                 if (evsel__is_dummy_event(evsel))
 591                         continue;
 592                 if (output_type(evsel->core.attr.type) == (int)type)
 593                         return evsel;
 594         }
 595         return NULL;
 596 }
 597
 598 /*
 599  * verify all user requested events exist and the samples
 600  * have the expected data
 601  */
 602 static int perf_session__check_output_opt(struct perf_session *session)
 603 {
 604         bool tod = false;
 605         unsigned int j;
 606         struct evsel *evsel;
 607
 608         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 609                 evsel = find_first_output_type(session->evlist, j);
 610
 611                 /*
 612                  * even if fields is set to 0 (ie., show nothing) event must
 613                  * exist if user explicitly includes it on the command line
 614                  */
 615                 if (!evsel && output[j].user_set && !output[j].wildcard_set &&
 616                     j != OUTPUT_TYPE_SYNTH) {
 617                         pr_err("%s events do not exist. "
 618                                "Remove corresponding -F option to proceed.\n",
 619                                event_type(j));
 620                         return -1;
 621                 }
 622
 623                 if (evsel && output[j].fields &&
 624                         evsel__check_attr(evsel, session))
 625                         return -1;
 626
 627                 if (evsel == NULL)
 628                         continue;
 629
 630                 set_print_ip_opts(&evsel->core.attr);
 631                 tod |= output[j].fields & PERF_OUTPUT_TOD;
 632         }
 633
 634         if (!no_callchain) {
 635                 bool use_callchain = false;
 636                 bool not_pipe = false;
 637
 638                 evlist__for_each_entry(session->evlist, evsel) {
 639                         not_pipe = true;
 640                         if (evsel__has_callchain(evsel)) {
 641                                 use_callchain = true;
 642                                 break;
 643                         }
 644                 }
 645                 if (not_pipe && !use_callchain)
 646                         symbol_conf.use_callchain = false;
 647         }
 648
 649         /*
 650          * set default for tracepoints to print symbols only
 651          * if callchains are present
 652          */
 653         if (symbol_conf.use_callchain &&
 654             !output[PERF_TYPE_TRACEPOINT].user_set) {
 655                 j = PERF_TYPE_TRACEPOINT;
 656
 657                 evlist__for_each_entry(session->evlist, evsel) {
 658                         if (evsel->core.attr.type != j)
 659                                 continue;
 660
 661                         if (evsel__has_callchain(evsel)) {
 662                                 output[j].fields |= PERF_OUTPUT_IP;
 663                                 output[j].fields |= PERF_OUTPUT_SYM;
 664                                 output[j].fields |= PERF_OUTPUT_SYMOFFSET;
 665                                 output[j].fields |= PERF_OUTPUT_DSO;
 666                                 set_print_ip_opts(&evsel->core.attr);
 667                                 goto out;
 668                         }
 669                 }
 670         }
 671
 672         if (tod && !session->header.env.clock.enabled) {
 673                 pr_err("Can't provide 'tod' time, missing clock data. "
 674                        "Please record with -k/--clockid option.\n");
 675                 return -1;
 676         }
 677 out:
 678         return 0;
 679 }
 680
 681 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask, const char *arch,
 682                                      FILE *fp)
 683 {
 684         unsigned i = 0, r;
 685         int printed = 0;
 686
 687         if (!regs || !regs->regs)
 688                 return 0;
 689
 690         printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
 691
 692         for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
 693                 u64 val = regs->regs[i++];
 694                 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r, arch), val);
 695         }
 696
 697         return printed;
 698 }
 699
 700 #define DEFAULT_TOD_FMT "%F %H:%M:%S"
 701
 702 static char*
 703 tod_scnprintf(struct perf_script *script, char *buf, int buflen,
 704              u64 timestamp)
 705 {
 706         u64 tod_ns, clockid_ns;
 707         struct perf_env *env;
 708         unsigned long nsec;
 709         struct tm ltime;
 710         char date[64];
 711         time_t sec;
 712
 713         buf[0] = '\0';
 714         if (buflen < 64 || !script)
 715                 return buf;
 716
 717         env = &script->session->header.env;
 718         if (!env->clock.enabled) {
 719                 scnprintf(buf, buflen, "disabled");
 720                 return buf;
 721         }
 722
 723         clockid_ns = env->clock.clockid_ns;
 724         tod_ns     = env->clock.tod_ns;
 725
 726         if (timestamp > clockid_ns)
 727                 tod_ns += timestamp - clockid_ns;
 728         else
 729                 tod_ns -= clockid_ns - timestamp;
 730
 731         sec  = (time_t) (tod_ns / NSEC_PER_SEC);
 732         nsec = tod_ns - sec * NSEC_PER_SEC;
 733
 734         if (localtime_r(&sec, &ltime) == NULL) {
 735                 scnprintf(buf, buflen, "failed");
 736         } else {
 737                 strftime(date, sizeof(date), DEFAULT_TOD_FMT, &ltime);
 738
 739                 if (symbol_conf.nanosecs) {
 740                         snprintf(buf, buflen, "%s.%09lu", date, nsec);
 741                 } else {
 742                         snprintf(buf, buflen, "%s.%06lu",
 743                                  date, nsec / NSEC_PER_USEC);
 744                 }
 745         }
 746
 747         return buf;
 748 }
 749
 750 static int perf_sample__fprintf_iregs(struct perf_sample *sample,
 751                                       struct perf_event_attr *attr, const char *arch, FILE *fp)
 752 {
 753         return perf_sample__fprintf_regs(&sample->intr_regs,
 754                                          attr->sample_regs_intr, arch, fp);
 755 }
 756
 757 static int perf_sample__fprintf_uregs(struct perf_sample *sample,
 758                                       struct perf_event_attr *attr, const char *arch, FILE *fp)
 759 {
 760         return perf_sample__fprintf_regs(&sample->user_regs,
 761                                          attr->sample_regs_user, arch, fp);
 762 }
 763
 764 static int perf_sample__fprintf_start(struct perf_script *script,
 765                                       struct perf_sample *sample,
 766                                       struct thread *thread,
 767                                       struct evsel *evsel,
 768                                       u32 type, FILE *fp)
 769 {
 770         struct perf_event_attr *attr = &evsel->core.attr;
 771         unsigned long secs;
 772         unsigned long long nsecs;
 773         int printed = 0;
 774         char tstr[128];
 775
 776         if (PRINT_FIELD(MACHINE_PID) && sample->machine_pid)
 777                 printed += fprintf(fp, "VM:%5d ", sample->machine_pid);
 778
 779         /* Print VCPU only for guest events i.e. with machine_pid */
 780         if (PRINT_FIELD(VCPU) && sample->machine_pid)
 781                 printed += fprintf(fp, "VCPU:%03d ", sample->vcpu);
 782
 783         if (PRINT_FIELD(COMM)) {
 784                 const char *comm = thread ? thread__comm_str(thread) : ":-1";
 785
 786                 if (latency_format)
 787                         printed += fprintf(fp, "%8.8s ", comm);
 788                 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
 789                         printed += fprintf(fp, "%s ", comm);
 790                 else
 791                         printed += fprintf(fp, "%16s ", comm);
 792         }
 793
 794         if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
 795                 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid);
 796         else if (PRINT_FIELD(PID))
 797                 printed += fprintf(fp, "%5d ", sample->pid);
 798         else if (PRINT_FIELD(TID))
 799                 printed += fprintf(fp, "%5d ", sample->tid);
 800
 801         if (PRINT_FIELD(CPU)) {
 802                 if (latency_format)
 803                         printed += fprintf(fp, "%3d ", sample->cpu);
 804                 else
 805                         printed += fprintf(fp, "[%03d] ", sample->cpu);
 806         }
 807
 808         if (PRINT_FIELD(MISC)) {
 809                 int ret = 0;
 810
 811                 #define has(m) \
 812                         (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
 813
 814                 if (has(KERNEL))
 815                         ret += fprintf(fp, "K");
 816                 if (has(USER))
 817                         ret += fprintf(fp, "U");
 818                 if (has(HYPERVISOR))
 819                         ret += fprintf(fp, "H");
 820                 if (has(GUEST_KERNEL))
 821                         ret += fprintf(fp, "G");
 822                 if (has(GUEST_USER))
 823                         ret += fprintf(fp, "g");
 824
 825                 switch (type) {
 826                 case PERF_RECORD_MMAP:
 827                 case PERF_RECORD_MMAP2:
 828                         if (has(MMAP_DATA))
 829                                 ret += fprintf(fp, "M");
 830                         break;
 831                 case PERF_RECORD_COMM:
 832                         if (has(COMM_EXEC))
 833                                 ret += fprintf(fp, "E");
 834                         break;
 835                 case PERF_RECORD_SWITCH:
 836                 case PERF_RECORD_SWITCH_CPU_WIDE:
 837                         if (has(SWITCH_OUT)) {
 838                                 ret += fprintf(fp, "S");
 839                                 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
 840                                         ret += fprintf(fp, "p");
 841                         }
 842                 default:
 843                         break;
 844                 }
 845
 846                 #undef has
 847
 848                 ret += fprintf(fp, "%*s", 6 - ret, " ");
 849                 printed += ret;
 850         }
 851
 852         if (PRINT_FIELD(TOD)) {
 853                 tod_scnprintf(script, tstr, sizeof(tstr), sample->time);
 854                 printed += fprintf(fp, "%s ", tstr);
 855         }
 856
 857         if (PRINT_FIELD(TIME)) {
 858                 u64 t = sample->time;
 859                 if (reltime) {
 860                         if (!initial_time)
 861                                 initial_time = sample->time;
 862                         t = sample->time - initial_time;
 863                 } else if (deltatime) {
 864                         if (previous_time)
 865                                 t = sample->time - previous_time;
 866                         else {
 867                                 t = 0;
 868                         }
 869                         previous_time = sample->time;
 870                 }
 871                 nsecs = t;
 872                 secs = nsecs / NSEC_PER_SEC;
 873                 nsecs -= secs * NSEC_PER_SEC;
 874
 875                 if (symbol_conf.nanosecs)
 876                         printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
 877                 else {
 878                         char sample_time[32];
 879                         timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time));
 880                         printed += fprintf(fp, "%12s: ", sample_time);
 881                 }
 882         }
 883
 884         return printed;
 885 }
 886
 887 static inline char
 888 mispred_str(struct branch_entry *br)
 889 {
 890         if (!(br->flags.mispred  || br->flags.predicted))
 891                 return '-';
 892
 893         return br->flags.predicted ? 'P' : 'M';
 894 }
 895
 896 static int print_bstack_flags(FILE *fp, struct branch_entry *br)
 897 {
 898         return fprintf(fp, "/%c/%c/%c/%d/%s/%s ",
 899                        mispred_str(br),
 900                        br->flags.in_tx ? 'X' : '-',
 901                        br->flags.abort ? 'A' : '-',
 902                        br->flags.cycles,
 903                        get_branch_type(br),
 904                        br->flags.spec ? branch_spec_desc(br->flags.spec) : "-");
 905 }
 906
 907 static int perf_sample__fprintf_brstack(struct perf_sample *sample,
 908                                         struct thread *thread,
 909                                         struct perf_event_attr *attr, FILE *fp)
 910 {
 911         struct branch_stack *br = sample->branch_stack;
 912         struct branch_entry *entries = perf_sample__branch_entries(sample);
 913         struct addr_location alf, alt;
 914         u64 i, from, to;
 915         int printed = 0;
 916
 917         if (!(br && br->nr))
 918                 return 0;
 919
 920         for (i = 0; i < br->nr; i++) {
 921                 from = entries[i].from;
 922                 to   = entries[i].to;
 923
 924                 if (PRINT_FIELD(DSO)) {
 925                         memset(&alf, 0, sizeof(alf));
 926                         memset(&alt, 0, sizeof(alt));
 927                         thread__find_map_fb(thread, sample->cpumode, from, &alf);
 928                         thread__find_map_fb(thread, sample->cpumode, to, &alt);
 929                 }
 930
 931                 printed += fprintf(fp, " 0x%"PRIx64, from);
 932                 if (PRINT_FIELD(DSO)) {
 933                         printed += fprintf(fp, "(");
 934                         printed += map__fprintf_dsoname(alf.map, fp);
 935                         printed += fprintf(fp, ")");
 936                 }
 937
 938                 printed += fprintf(fp, "/0x%"PRIx64, to);
 939                 if (PRINT_FIELD(DSO)) {
 940                         printed += fprintf(fp, "(");
 941                         printed += map__fprintf_dsoname(alt.map, fp);
 942                         printed += fprintf(fp, ")");
 943                 }
 944
 945                 printed += print_bstack_flags(fp, entries + i);
 946         }
 947
 948         return printed;
 949 }
 950
 951 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
 952                                            struct thread *thread,
 953                                            struct perf_event_attr *attr, FILE *fp)
 954 {
 955         struct branch_stack *br = sample->branch_stack;
 956         struct branch_entry *entries = perf_sample__branch_entries(sample);
 957         struct addr_location alf, alt;
 958         u64 i, from, to;
 959         int printed = 0;
 960
 961         if (!(br && br->nr))
 962                 return 0;
 963
 964         for (i = 0; i < br->nr; i++) {
 965
 966                 memset(&alf, 0, sizeof(alf));
 967                 memset(&alt, 0, sizeof(alt));
 968                 from = entries[i].from;
 969                 to   = entries[i].to;
 970
 971                 thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
 972                 thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
 973
 974                 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
 975                 if (PRINT_FIELD(DSO)) {
 976                         printed += fprintf(fp, "(");
 977                         printed += map__fprintf_dsoname(alf.map, fp);
 978                         printed += fprintf(fp, ")");
 979                 }
 980                 printed += fprintf(fp, "%c", '/');
 981                 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
 982                 if (PRINT_FIELD(DSO)) {
 983                         printed += fprintf(fp, "(");
 984                         printed += map__fprintf_dsoname(alt.map, fp);
 985                         printed += fprintf(fp, ")");
 986                 }
 987                 printed += print_bstack_flags(fp, entries + i);
 988         }
 989
 990         return printed;
 991 }
 992
 993 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
 994                                            struct thread *thread,
 995                                            struct perf_event_attr *attr, FILE *fp)
 996 {
 997         struct branch_stack *br = sample->branch_stack;
 998         struct branch_entry *entries = perf_sample__branch_entries(sample);
 999         struct addr_location alf, alt;
1000         u64 i, from, to;
1001         int printed = 0;
1002
1003         if (!(br && br->nr))
1004                 return 0;
1005
1006         for (i = 0; i < br->nr; i++) {
1007
1008                 memset(&alf, 0, sizeof(alf));
1009                 memset(&alt, 0, sizeof(alt));
1010                 from = entries[i].from;
1011                 to   = entries[i].to;
1012
1013                 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
1014                     !alf.map->dso->adjust_symbols)
1015                         from = map__map_ip(alf.map, from);
1016
1017                 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
1018                     !alt.map->dso->adjust_symbols)
1019                         to = map__map_ip(alt.map, to);
1020
1021                 printed += fprintf(fp, " 0x%"PRIx64, from);
1022                 if (PRINT_FIELD(DSO)) {
1023                         printed += fprintf(fp, "(");
1024                         printed += map__fprintf_dsoname(alf.map, fp);
1025                         printed += fprintf(fp, ")");
1026                 }
1027                 printed += fprintf(fp, "/0x%"PRIx64, to);
1028                 if (PRINT_FIELD(DSO)) {
1029                         printed += fprintf(fp, "(");
1030                         printed += map__fprintf_dsoname(alt.map, fp);
1031                         printed += fprintf(fp, ")");
1032                 }
1033                 printed += print_bstack_flags(fp, entries + i);
1034         }
1035
1036         return printed;
1037 }
1038 #define MAXBB 16384UL
1039
1040 static int grab_bb(u8 *buffer, u64 start, u64 end,
1041                     struct machine *machine, struct thread *thread,
1042                     bool *is64bit, u8 *cpumode, bool last)
1043 {
1044         long offset, len;
1045         struct addr_location al;
1046         bool kernel;
1047
1048         if (!start || !end)
1049                 return 0;
1050
1051         kernel = machine__kernel_ip(machine, start);
1052         if (kernel)
1053                 *cpumode = PERF_RECORD_MISC_KERNEL;
1054         else
1055                 *cpumode = PERF_RECORD_MISC_USER;
1056
1057         /*
1058          * Block overlaps between kernel and user.
1059          * This can happen due to ring filtering
1060          * On Intel CPUs the entry into the kernel is filtered,
1061          * but the exit is not. Let the caller patch it up.
1062          */
1063         if (kernel != machine__kernel_ip(machine, end)) {
1064                 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
1065                 return -ENXIO;
1066         }
1067
1068         memset(&al, 0, sizeof(al));
1069         if (end - start > MAXBB - MAXINSN) {
1070                 if (last)
1071                         pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
1072                 else
1073                         pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
1074                 return 0;
1075         }
1076
1077         if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) {
1078                 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1079                 return 0;
1080         }
1081         if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
1082                 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1083                 return 0;
1084         }
1085
1086         /* Load maps to ensure dso->is_64_bit has been updated */
1087         map__load(al.map);
1088
1089         offset = al.map->map_ip(al.map, start);
1090         len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer,
1091                                     end - start + MAXINSN);
1092
1093         *is64bit = al.map->dso->is_64_bit;
1094         if (len <= 0)
1095                 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
1096                         start, end);
1097         return len;
1098 }
1099
1100 static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state)
1101 {
1102         char *srcfile;
1103         int ret = 0;
1104         unsigned line;
1105         int len;
1106         char *srccode;
1107
1108         if (!map || !map->dso)
1109                 return 0;
1110         srcfile = get_srcline_split(map->dso,
1111                                     map__rip_2objdump(map, addr),
1112                                     &line);
1113         if (!srcfile)
1114                 return 0;
1115
1116         /* Avoid redundant printing */
1117         if (state &&
1118             state->srcfile &&
1119             !strcmp(state->srcfile, srcfile) &&
1120             state->line == line) {
1121                 free(srcfile);
1122                 return 0;
1123         }
1124
1125         srccode = find_sourceline(srcfile, line, &len);
1126         if (!srccode)
1127                 goto out_free_line;
1128
1129         ret = fprintf(fp, "|%-8d %.*s", line, len, srccode);
1130
1131         if (state) {
1132                 state->srcfile = srcfile;
1133                 state->line = line;
1134         }
1135         return ret;
1136
1137 out_free_line:
1138         free(srcfile);
1139         return ret;
1140 }
1141
1142 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr)
1143 {
1144         struct addr_location al;
1145         int ret = 0;
1146
1147         memset(&al, 0, sizeof(al));
1148         thread__find_map(thread, cpumode, addr, &al);
1149         if (!al.map)
1150                 return 0;
1151         ret = map__fprintf_srccode(al.map, al.addr, stdout,
1152                     &thread->srccode_state);
1153         if (ret)
1154                 ret += printf("\n");
1155         return ret;
1156 }
1157
1158 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
1159                             struct perf_insn *x, u8 *inbuf, int len,
1160                             int insn, FILE *fp, int *total_cycles,
1161                             struct perf_event_attr *attr)
1162 {
1163         int ilen = 0;
1164         int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t", ip,
1165                               dump_insn(x, ip, inbuf, len, &ilen));
1166
1167         if (PRINT_FIELD(BRSTACKINSNLEN))
1168                 printed += fprintf(fp, "ilen: %d\t", ilen);
1169
1170         printed += fprintf(fp, "#%s%s%s%s",
1171                               en->flags.predicted ? " PRED" : "",
1172                               en->flags.mispred ? " MISPRED" : "",
1173                               en->flags.in_tx ? " INTX" : "",
1174                               en->flags.abort ? " ABORT" : "");
1175         if (en->flags.cycles) {
1176                 *total_cycles += en->flags.cycles;
1177                 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles);
1178                 if (insn)
1179                         printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
1180         }
1181         return printed + fprintf(fp, "\n");
1182 }
1183
1184 static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
1185                            u8 cpumode, int cpu, struct symbol **lastsym,
1186                            struct perf_event_attr *attr, FILE *fp)
1187 {
1188         struct addr_location al;
1189         int off, printed = 0;
1190
1191         memset(&al, 0, sizeof(al));
1192
1193         thread__find_map(thread, cpumode, addr, &al);
1194
1195         if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
1196                 return 0;
1197
1198         al.cpu = cpu;
1199         al.sym = NULL;
1200         if (al.map)
1201                 al.sym = map__find_symbol(al.map, al.addr);
1202
1203         if (!al.sym)
1204                 return 0;
1205
1206         if (al.addr < al.sym->end)
1207                 off = al.addr - al.sym->start;
1208         else
1209                 off = al.addr - al.map->start - al.sym->start;
1210         printed += fprintf(fp, "\t%s", al.sym->name);
1211         if (off)
1212                 printed += fprintf(fp, "%+d", off);
1213         printed += fprintf(fp, ":");
1214         if (PRINT_FIELD(SRCLINE))
1215                 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
1216         printed += fprintf(fp, "\n");
1217         *lastsym = al.sym;
1218
1219         return printed;
1220 }
1221
1222 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
1223                                             struct thread *thread,
1224                                             struct perf_event_attr *attr,
1225                                             struct machine *machine, FILE *fp)
1226 {
1227         struct branch_stack *br = sample->branch_stack;
1228         struct branch_entry *entries = perf_sample__branch_entries(sample);
1229         u64 start, end;
1230         int i, insn, len, nr, ilen, printed = 0;
1231         struct perf_insn x;
1232         u8 buffer[MAXBB];
1233         unsigned off;
1234         struct symbol *lastsym = NULL;
1235         int total_cycles = 0;
1236
1237         if (!(br && br->nr))
1238                 return 0;
1239         nr = br->nr;
1240         if (max_blocks && nr > max_blocks + 1)
1241                 nr = max_blocks + 1;
1242
1243         x.thread = thread;
1244         x.cpu = sample->cpu;
1245
1246         printed += fprintf(fp, "%c", '\n');
1247
1248         /* Handle first from jump, of which we don't know the entry. */
1249         len = grab_bb(buffer, entries[nr-1].from,
1250                         entries[nr-1].from,
1251                         machine, thread, &x.is64bit, &x.cpumode, false);
1252         if (len > 0) {
1253                 printed += ip__fprintf_sym(entries[nr - 1].from, thread,
1254                                            x.cpumode, x.cpu, &lastsym, attr, fp);
1255                 printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1],
1256                                             &x, buffer, len, 0, fp, &total_cycles,
1257                                             attr);
1258                 if (PRINT_FIELD(SRCCODE))
1259                         printed += print_srccode(thread, x.cpumode, entries[nr - 1].from);
1260         }
1261
1262         /* Print all blocks */
1263         for (i = nr - 2; i >= 0; i--) {
1264                 if (entries[i].from || entries[i].to)
1265                         pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1266                                  entries[i].from,
1267                                  entries[i].to);
1268                 start = entries[i + 1].to;
1269                 end   = entries[i].from;
1270
1271                 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1272                 /* Patch up missing kernel transfers due to ring filters */
1273                 if (len == -ENXIO && i > 0) {
1274                         end = entries[--i].from;
1275                         pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1276                         len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1277                 }
1278                 if (len <= 0)
1279                         continue;
1280
1281                 insn = 0;
1282                 for (off = 0; off < (unsigned)len; off += ilen) {
1283                         uint64_t ip = start + off;
1284
1285                         printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1286                         if (ip == end) {
1287                                 printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp,
1288                                                             &total_cycles, attr);
1289                                 if (PRINT_FIELD(SRCCODE))
1290                                         printed += print_srccode(thread, x.cpumode, ip);
1291                                 break;
1292                         } else {
1293                                 ilen = 0;
1294                                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s", ip,
1295                                                    dump_insn(&x, ip, buffer + off, len - off, &ilen));
1296                                 if (PRINT_FIELD(BRSTACKINSNLEN))
1297                                         printed += fprintf(fp, "\tilen: %d", ilen);
1298                                 printed += fprintf(fp, "\n");
1299                                 if (ilen == 0)
1300                                         break;
1301                                 if (PRINT_FIELD(SRCCODE))
1302                                         print_srccode(thread, x.cpumode, ip);
1303                                 insn++;
1304                         }
1305                 }
1306                 if (off != end - start)
1307                         printed += fprintf(fp, "\tmismatch of LBR data and executable\n");
1308         }
1309
1310         /*
1311          * Hit the branch? In this case we are already done, and the target
1312          * has not been executed yet.
1313          */
1314         if (entries[0].from == sample->ip)
1315                 goto out;
1316         if (entries[0].flags.abort)
1317                 goto out;
1318
1319         /*
1320          * Print final block up to sample
1321          *
1322          * Due to pipeline delays the LBRs might be missing a branch
1323          * or two, which can result in very large or negative blocks
1324          * between final branch and sample. When this happens just
1325          * continue walking after the last TO until we hit a branch.
1326          */
1327         start = entries[0].to;
1328         end = sample->ip;
1329         if (end < start) {
1330                 /* Missing jump. Scan 128 bytes for the next branch */
1331                 end = start + 128;
1332         }
1333         len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1334         printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1335         if (len <= 0) {
1336                 /* Print at least last IP if basic block did not work */
1337                 len = grab_bb(buffer, sample->ip, sample->ip,
1338                               machine, thread, &x.is64bit, &x.cpumode, false);
1339                 if (len <= 0)
1340                         goto out;
1341                 ilen = 0;
1342                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s", sample->ip,
1343                         dump_insn(&x, sample->ip, buffer, len, &ilen));
1344                 if (PRINT_FIELD(BRSTACKINSNLEN))
1345                         printed += fprintf(fp, "\tilen: %d", ilen);
1346                 printed += fprintf(fp, "\n");
1347                 if (PRINT_FIELD(SRCCODE))
1348                         print_srccode(thread, x.cpumode, sample->ip);
1349                 goto out;
1350         }
1351         for (off = 0; off <= end - start; off += ilen) {
1352                 ilen = 0;
1353                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s", start + off,
1354                                    dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1355                 if (PRINT_FIELD(BRSTACKINSNLEN))
1356                         printed += fprintf(fp, "\tilen: %d", ilen);
1357                 printed += fprintf(fp, "\n");
1358                 if (ilen == 0)
1359                         break;
1360                 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) {
1361                         /*
1362                          * Hit a missing branch. Just stop.
1363                          */
1364                         printed += fprintf(fp, "\t... not reaching sample ...\n");
1365                         break;
1366                 }
1367                 if (PRINT_FIELD(SRCCODE))
1368                         print_srccode(thread, x.cpumode, start + off);
1369         }
1370 out:
1371         return printed;
1372 }
1373
1374 static int perf_sample__fprintf_addr(struct perf_sample *sample,
1375                                      struct thread *thread,
1376                                      struct perf_event_attr *attr, FILE *fp)
1377 {
1378         struct addr_location al;
1379         int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1380
1381         if (!sample_addr_correlates_sym(attr))
1382                 goto out;
1383
1384         thread__resolve(thread, &al, sample);
1385
1386         if (PRINT_FIELD(SYM)) {
1387                 printed += fprintf(fp, " ");
1388                 if (PRINT_FIELD(SYMOFFSET))
1389                         printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1390                 else
1391                         printed += symbol__fprintf_symname(al.sym, fp);
1392         }
1393
1394         if (PRINT_FIELD(DSO)) {
1395                 printed += fprintf(fp, " (");
1396                 printed += map__fprintf_dsoname(al.map, fp);
1397                 printed += fprintf(fp, ")");
1398         }
1399 out:
1400         return printed;
1401 }
1402
1403 static const char *resolve_branch_sym(struct perf_sample *sample,
1404                                       struct evsel *evsel,
1405                                       struct thread *thread,
1406                                       struct addr_location *al,
1407                                       struct addr_location *addr_al,
1408                                       u64 *ip)
1409 {
1410         struct perf_event_attr *attr = &evsel->core.attr;
1411         const char *name = NULL;
1412
1413         if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1414                 if (sample_addr_correlates_sym(attr)) {
1415                         if (!addr_al->thread)
1416                                 thread__resolve(thread, addr_al, sample);
1417                         if (addr_al->sym)
1418                                 name = addr_al->sym->name;
1419                         else
1420                                 *ip = sample->addr;
1421                 } else {
1422                         *ip = sample->addr;
1423                 }
1424         } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1425                 if (al->sym)
1426                         name = al->sym->name;
1427                 else
1428                         *ip = sample->ip;
1429         }
1430         return name;
1431 }
1432
1433 static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1434                                            struct evsel *evsel,
1435                                            struct thread *thread,
1436                                            struct addr_location *al,
1437                                            struct addr_location *addr_al,
1438                                            FILE *fp)
1439 {
1440         struct perf_event_attr *attr = &evsel->core.attr;
1441         size_t depth = thread_stack__depth(thread, sample->cpu);
1442         const char *name = NULL;
1443         static int spacing;
1444         int len = 0;
1445         int dlen = 0;
1446         u64 ip = 0;
1447
1448         /*
1449          * The 'return' has already been popped off the stack so the depth has
1450          * to be adjusted to match the 'call'.
1451          */
1452         if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
1453                 depth += 1;
1454
1455         name = resolve_branch_sym(sample, evsel, thread, al, addr_al, &ip);
1456
1457         if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
1458                 dlen += fprintf(fp, "(");
1459                 dlen += map__fprintf_dsoname(al->map, fp);
1460                 dlen += fprintf(fp, ")\t");
1461         }
1462
1463         if (name)
1464                 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1465         else if (ip)
1466                 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1467
1468         if (len < 0)
1469                 return len;
1470
1471         /*
1472          * Try to keep the output length from changing frequently so that the
1473          * output lines up more nicely.
1474          */
1475         if (len > spacing || (len && len < spacing - 52))
1476                 spacing = round_up(len + 4, 32);
1477
1478         if (len < spacing)
1479                 len += fprintf(fp, "%*s", spacing - len, "");
1480
1481         return len + dlen;
1482 }
1483
1484 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused,
1485                             struct thread *thread __maybe_unused,
1486                             struct machine *machine __maybe_unused)
1487 {
1488 }
1489
1490 void script_fetch_insn(struct perf_sample *sample, struct thread *thread,
1491                        struct machine *machine)
1492 {
1493         if (sample->insn_len == 0 && native_arch)
1494                 arch_fetch_insn(sample, thread, machine);
1495 }
1496
1497 static int perf_sample__fprintf_insn(struct perf_sample *sample,
1498                                      struct perf_event_attr *attr,
1499                                      struct thread *thread,
1500                                      struct machine *machine, FILE *fp)
1501 {
1502         int printed = 0;
1503
1504         script_fetch_insn(sample, thread, machine);
1505
1506         if (PRINT_FIELD(INSNLEN))
1507                 printed += fprintf(fp, " ilen: %d", sample->insn_len);
1508         if (PRINT_FIELD(INSN) && sample->insn_len) {
1509                 int i;
1510
1511                 printed += fprintf(fp, " insn:");
1512                 for (i = 0; i < sample->insn_len; i++)
1513                         printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
1514         }
1515         if (PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN))
1516                 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
1517
1518         return printed;
1519 }
1520
1521 static int perf_sample__fprintf_ipc(struct perf_sample *sample,
1522                                     struct perf_event_attr *attr, FILE *fp)
1523 {
1524         unsigned int ipc;
1525
1526         if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt)
1527                 return 0;
1528
1529         ipc = (sample->insn_cnt * 100) / sample->cyc_cnt;
1530
1531         return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ",
1532                        ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt);
1533 }
1534
1535 static int perf_sample__fprintf_bts(struct perf_sample *sample,
1536                                     struct evsel *evsel,
1537                                     struct thread *thread,
1538                                     struct addr_location *al,
1539                                     struct addr_location *addr_al,
1540                                     struct machine *machine, FILE *fp)
1541 {
1542         struct perf_event_attr *attr = &evsel->core.attr;
1543         unsigned int type = output_type(attr->type);
1544         bool print_srcline_last = false;
1545         int printed = 0;
1546
1547         if (PRINT_FIELD(CALLINDENT))
1548                 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, addr_al, fp);
1549
1550         /* print branch_from information */
1551         if (PRINT_FIELD(IP)) {
1552                 unsigned int print_opts = output[type].print_ip_opts;
1553                 struct callchain_cursor *cursor = NULL;
1554
1555                 if (symbol_conf.use_callchain && sample->callchain &&
1556                     thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1557                                               sample, NULL, NULL, scripting_max_stack) == 0)
1558                         cursor = &callchain_cursor;
1559
1560                 if (cursor == NULL) {
1561                         printed += fprintf(fp, " ");
1562                         if (print_opts & EVSEL__PRINT_SRCLINE) {
1563                                 print_srcline_last = true;
1564                                 print_opts &= ~EVSEL__PRINT_SRCLINE;
1565                         }
1566                 } else
1567                         printed += fprintf(fp, "\n");
1568
1569                 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor,
1570                                                symbol_conf.bt_stop_list, fp);
1571         }
1572
1573         /* print branch_to information */
1574         if (PRINT_FIELD(ADDR) ||
1575             ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
1576              !output[type].user_set)) {
1577                 printed += fprintf(fp, " => ");
1578                 printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1579         }
1580
1581         printed += perf_sample__fprintf_ipc(sample, attr, fp);
1582
1583         if (print_srcline_last)
1584                 printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
1585
1586         printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1587         printed += fprintf(fp, "\n");
1588         if (PRINT_FIELD(SRCCODE)) {
1589                 int ret = map__fprintf_srccode(al->map, al->addr, stdout,
1590                                          &thread->srccode_state);
1591                 if (ret) {
1592                         printed += ret;
1593                         printed += printf("\n");
1594                 }
1595         }
1596         return printed;
1597 }
1598
1599 static struct {
1600         u32 flags;
1601         const char *name;
1602 } sample_flags[] = {
1603         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1604         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1605         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1606         {PERF_IP_FLAG_BRANCH, "jmp"},
1607         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1608         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1609         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1610         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1611         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1612         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"},
1613         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1614         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1615         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1616         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMENTRY, "vmentry"},
1617         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMEXIT, "vmexit"},
1618         {0, NULL}
1619 };
1620
1621 static const char *sample_flags_to_name(u32 flags)
1622 {
1623         int i;
1624
1625         for (i = 0; sample_flags[i].name ; i++) {
1626                 if (sample_flags[i].flags == flags)
1627                         return sample_flags[i].name;
1628         }
1629
1630         return NULL;
1631 }
1632
1633 int perf_sample__sprintf_flags(u32 flags, char *str, size_t sz)
1634 {
1635         u32 xf = PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_INTR_DISABLE |
1636                  PERF_IP_FLAG_INTR_TOGGLE;
1637         const char *chars = PERF_IP_FLAG_CHARS;
1638         const size_t n = strlen(PERF_IP_FLAG_CHARS);
1639         const char *name = NULL;
1640         size_t i, pos = 0;
1641         char xs[16] = {0};
1642
1643         if (flags & xf)
1644                 snprintf(xs, sizeof(xs), "(%s%s%s)",
1645                          flags & PERF_IP_FLAG_IN_TX ? "x" : "",
1646                          flags & PERF_IP_FLAG_INTR_DISABLE ? "D" : "",
1647                          flags & PERF_IP_FLAG_INTR_TOGGLE ? "t" : "");
1648
1649         name = sample_flags_to_name(flags & ~xf);
1650         if (name)
1651                 return snprintf(str, sz, "%-15s%6s", name, xs);
1652
1653         if (flags & PERF_IP_FLAG_TRACE_BEGIN) {
1654                 name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_BEGIN));
1655                 if (name)
1656                         return snprintf(str, sz, "tr strt %-7s%6s", name, xs);
1657         }
1658
1659         if (flags & PERF_IP_FLAG_TRACE_END) {
1660                 name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_END));
1661                 if (name)
1662                         return snprintf(str, sz, "tr end  %-7s%6s", name, xs);
1663         }
1664
1665         for (i = 0; i < n; i++, flags >>= 1) {
1666                 if ((flags & 1) && pos < sz)
1667                         str[pos++] = chars[i];
1668         }
1669         for (; i < 32; i++, flags >>= 1) {
1670                 if ((flags & 1) && pos < sz)
1671                         str[pos++] = '?';
1672         }
1673         if (pos < sz)
1674                 str[pos] = 0;
1675
1676         return pos;
1677 }
1678
1679 static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1680 {
1681         char str[SAMPLE_FLAGS_BUF_SIZE];
1682
1683         perf_sample__sprintf_flags(flags, str, sizeof(str));
1684         return fprintf(fp, "  %-21s ", str);
1685 }
1686
1687 struct printer_data {
1688         int line_no;
1689         bool hit_nul;
1690         bool is_printable;
1691 };
1692
1693 static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1694                                       unsigned int val,
1695                                       void *extra, FILE *fp)
1696 {
1697         unsigned char ch = (unsigned char)val;
1698         struct printer_data *printer_data = extra;
1699         int printed = 0;
1700
1701         switch (op) {
1702         case BINARY_PRINT_DATA_BEGIN:
1703                 printed += fprintf(fp, "\n");
1704                 break;
1705         case BINARY_PRINT_LINE_BEGIN:
1706                 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1707                                                         "           ");
1708                 break;
1709         case BINARY_PRINT_ADDR:
1710                 printed += fprintf(fp, " %04x:", val);
1711                 break;
1712         case BINARY_PRINT_NUM_DATA:
1713                 printed += fprintf(fp, " %02x", val);
1714                 break;
1715         case BINARY_PRINT_NUM_PAD:
1716                 printed += fprintf(fp, "   ");
1717                 break;
1718         case BINARY_PRINT_SEP:
1719                 printed += fprintf(fp, "  ");
1720                 break;
1721         case BINARY_PRINT_CHAR_DATA:
1722                 if (printer_data->hit_nul && ch)
1723                         printer_data->is_printable = false;
1724
1725                 if (!isprint(ch)) {
1726                         printed += fprintf(fp, "%c", '.');
1727
1728                         if (!printer_data->is_printable)
1729                                 break;
1730
1731                         if (ch == '\0')
1732                                 printer_data->hit_nul = true;
1733                         else
1734                                 printer_data->is_printable = false;
1735                 } else {
1736                         printed += fprintf(fp, "%c", ch);
1737                 }
1738                 break;
1739         case BINARY_PRINT_CHAR_PAD:
1740                 printed += fprintf(fp, " ");
1741                 break;
1742         case BINARY_PRINT_LINE_END:
1743                 printed += fprintf(fp, "\n");
1744                 printer_data->line_no++;
1745                 break;
1746         case BINARY_PRINT_DATA_END:
1747         default:
1748                 break;
1749         }
1750
1751         return printed;
1752 }
1753
1754 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1755 {
1756         unsigned int nr_bytes = sample->raw_size;
1757         struct printer_data printer_data = {0, false, true};
1758         int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1759                                       sample__fprintf_bpf_output, &printer_data, fp);
1760
1761         if (printer_data.is_printable && printer_data.hit_nul)
1762                 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1763
1764         return printed;
1765 }
1766
1767 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1768 {
1769         if (len > 0 && len < spacing)
1770                 return fprintf(fp, "%*s", spacing - len, "");
1771
1772         return 0;
1773 }
1774
1775 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1776 {
1777         return perf_sample__fprintf_spacing(len, 34, fp);
1778 }
1779
1780 /* If a value contains only printable ASCII characters padded with NULLs */
1781 static bool ptw_is_prt(u64 val)
1782 {
1783         char c;
1784         u32 i;
1785
1786         for (i = 0; i < sizeof(val); i++) {
1787                 c = ((char *)&val)[i];
1788                 if (!c)
1789                         break;
1790                 if (!isprint(c) || !isascii(c))
1791                         return false;
1792         }
1793         for (; i < sizeof(val); i++) {
1794                 c = ((char *)&val)[i];
1795                 if (c)
1796                         return false;
1797         }
1798         return true;
1799 }
1800
1801 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1802 {
1803         struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1804         char str[sizeof(u64) + 1] = "";
1805         int len;
1806         u64 val;
1807
1808         if (perf_sample__bad_synth_size(sample, *data))
1809                 return 0;
1810
1811         val = le64_to_cpu(data->payload);
1812         if (ptw_is_prt(val)) {
1813                 memcpy(str, &val, sizeof(val));
1814                 str[sizeof(val)] = 0;
1815         }
1816         len = fprintf(fp, " IP: %u payload: %#" PRIx64 " %s ",
1817                       data->ip, val, str);
1818         return len + perf_sample__fprintf_pt_spacing(len, fp);
1819 }
1820
1821 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1822 {
1823         struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1824         int len;
1825
1826         if (perf_sample__bad_synth_size(sample, *data))
1827                 return 0;
1828
1829         len = fprintf(fp, " hints: %#x extensions: %#x ",
1830                       data->hints, data->extensions);
1831         return len + perf_sample__fprintf_pt_spacing(len, fp);
1832 }
1833
1834 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1835 {
1836         struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1837         int len;
1838
1839         if (perf_sample__bad_synth_size(sample, *data))
1840                 return 0;
1841
1842         len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1843                       data->hw, data->cstate, data->subcstate);
1844         return len + perf_sample__fprintf_pt_spacing(len, fp);
1845 }
1846
1847 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1848 {
1849         struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1850         int len;
1851
1852         if (perf_sample__bad_synth_size(sample, *data))
1853                 return 0;
1854
1855         len = fprintf(fp, " IP: %u ", data->ip);
1856         return len + perf_sample__fprintf_pt_spacing(len, fp);
1857 }
1858
1859 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1860 {
1861         struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1862         int len;
1863
1864         if (perf_sample__bad_synth_size(sample, *data))
1865                 return 0;
1866
1867         len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1868                      data->deepest_cstate, data->last_cstate,
1869                      data->wake_reason);
1870         return len + perf_sample__fprintf_pt_spacing(len, fp);
1871 }
1872
1873 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1874 {
1875         struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1876         unsigned int percent, freq;
1877         int len;
1878
1879         if (perf_sample__bad_synth_size(sample, *data))
1880                 return 0;
1881
1882         freq = (le32_to_cpu(data->freq) + 500) / 1000;
1883         len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1884         if (data->max_nonturbo) {
1885                 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1886                 len += fprintf(fp, "(%3u%%) ", percent);
1887         }
1888         return len + perf_sample__fprintf_pt_spacing(len, fp);
1889 }
1890
1891 static int perf_sample__fprintf_synth_psb(struct perf_sample *sample, FILE *fp)
1892 {
1893         struct perf_synth_intel_psb *data = perf_sample__synth_ptr(sample);
1894         int len;
1895
1896         if (perf_sample__bad_synth_size(sample, *data))
1897                 return 0;
1898
1899         len = fprintf(fp, " psb offs: %#" PRIx64, data->offset);
1900         return len + perf_sample__fprintf_pt_spacing(len, fp);
1901 }
1902
1903 /* Intel PT Event Trace */
1904 static int perf_sample__fprintf_synth_evt(struct perf_sample *sample, FILE *fp)
1905 {
1906         struct perf_synth_intel_evt *data = perf_sample__synth_ptr(sample);
1907         const char *cfe[32] = {NULL, "INTR", "IRET", "SMI", "RSM", "SIPI",
1908                                "INIT", "VMENTRY", "VMEXIT", "VMEXIT_INTR",
1909                                "SHUTDOWN"};
1910         const char *evd[64] = {"PFA", "VMXQ", "VMXR"};
1911         const char *s;
1912         int len, i;
1913
1914         if (perf_sample__bad_synth_size(sample, *data))
1915                 return 0;
1916
1917         s = cfe[data->type];
1918         if (s) {
1919                 len = fprintf(fp, " cfe: %s IP: %d vector: %u",
1920                               s, data->ip, data->vector);
1921         } else {
1922                 len = fprintf(fp, " cfe: %u IP: %d vector: %u",
1923                               data->type, data->ip, data->vector);
1924         }
1925         for (i = 0; i < data->evd_cnt; i++) {
1926                 unsigned int et = data->evd[i].evd_type & 0x3f;
1927
1928                 s = evd[et];
1929                 if (s) {
1930                         len += fprintf(fp, " %s: %#" PRIx64,
1931                                        s, data->evd[i].payload);
1932                 } else {
1933                         len += fprintf(fp, " EVD_%u: %#" PRIx64,
1934                                        et, data->evd[i].payload);
1935                 }
1936         }
1937         return len + perf_sample__fprintf_pt_spacing(len, fp);
1938 }
1939
1940 static int perf_sample__fprintf_synth_iflag_chg(struct perf_sample *sample, FILE *fp)
1941 {
1942         struct perf_synth_intel_iflag_chg *data = perf_sample__synth_ptr(sample);
1943         int len;
1944
1945         if (perf_sample__bad_synth_size(sample, *data))
1946                 return 0;
1947
1948         len = fprintf(fp, " IFLAG: %d->%d %s branch", !data->iflag, data->iflag,
1949                       data->via_branch ? "via" : "non");
1950         return len + perf_sample__fprintf_pt_spacing(len, fp);
1951 }
1952
1953 static int perf_sample__fprintf_synth(struct perf_sample *sample,
1954                                       struct evsel *evsel, FILE *fp)
1955 {
1956         switch (evsel->core.attr.config) {
1957         case PERF_SYNTH_INTEL_PTWRITE:
1958                 return perf_sample__fprintf_synth_ptwrite(sample, fp);
1959         case PERF_SYNTH_INTEL_MWAIT:
1960                 return perf_sample__fprintf_synth_mwait(sample, fp);
1961         case PERF_SYNTH_INTEL_PWRE:
1962                 return perf_sample__fprintf_synth_pwre(sample, fp);
1963         case PERF_SYNTH_INTEL_EXSTOP:
1964                 return perf_sample__fprintf_synth_exstop(sample, fp);
1965         case PERF_SYNTH_INTEL_PWRX:
1966                 return perf_sample__fprintf_synth_pwrx(sample, fp);
1967         case PERF_SYNTH_INTEL_CBR:
1968                 return perf_sample__fprintf_synth_cbr(sample, fp);
1969         case PERF_SYNTH_INTEL_PSB:
1970                 return perf_sample__fprintf_synth_psb(sample, fp);
1971         case PERF_SYNTH_INTEL_EVT:
1972                 return perf_sample__fprintf_synth_evt(sample, fp);
1973         case PERF_SYNTH_INTEL_IFLAG_CHG:
1974                 return perf_sample__fprintf_synth_iflag_chg(sample, fp);
1975         default:
1976                 break;
1977         }
1978
1979         return 0;
1980 }
1981
1982 static int evlist__max_name_len(struct evlist *evlist)
1983 {
1984         struct evsel *evsel;
1985         int max = 0;
1986
1987         evlist__for_each_entry(evlist, evsel) {
1988                 int len = strlen(evsel__name(evsel));
1989
1990                 max = MAX(len, max);
1991         }
1992
1993         return max;
1994 }
1995
1996 static int data_src__fprintf(u64 data_src, FILE *fp)
1997 {
1998         struct mem_info mi = { .data_src.val = data_src };
1999         char decode[100];
2000         char out[100];
2001         static int maxlen;
2002         int len;
2003
2004         perf_script__meminfo_scnprintf(decode, 100, &mi);
2005
2006         len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
2007         if (maxlen < len)
2008                 maxlen = len;
2009
2010         return fprintf(fp, "%-*s", maxlen, out);
2011 }
2012
2013 struct metric_ctx {
2014         struct perf_sample      *sample;
2015         struct thread           *thread;
2016         struct evsel    *evsel;
2017         FILE                    *fp;
2018 };
2019
2020 static void script_print_metric(struct perf_stat_config *config __maybe_unused,
2021                                 void *ctx, const char *color,
2022                                 const char *fmt,
2023                                 const char *unit, double val)
2024 {
2025         struct metric_ctx *mctx = ctx;
2026
2027         if (!fmt)
2028                 return;
2029         perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
2030                                    PERF_RECORD_SAMPLE, mctx->fp);
2031         fputs("\tmetric: ", mctx->fp);
2032         if (color)
2033                 color_fprintf(mctx->fp, color, fmt, val);
2034         else
2035                 printf(fmt, val);
2036         fprintf(mctx->fp, " %s\n", unit);
2037 }
2038
2039 static void script_new_line(struct perf_stat_config *config __maybe_unused,
2040                             void *ctx)
2041 {
2042         struct metric_ctx *mctx = ctx;
2043
2044         perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
2045                                    PERF_RECORD_SAMPLE, mctx->fp);
2046         fputs("\tmetric: ", mctx->fp);
2047 }
2048
2049 static void perf_sample__fprint_metric(struct perf_script *script,
2050                                        struct thread *thread,
2051                                        struct evsel *evsel,
2052                                        struct perf_sample *sample,
2053                                        FILE *fp)
2054 {
2055         struct evsel *leader = evsel__leader(evsel);
2056         struct perf_stat_output_ctx ctx = {
2057                 .print_metric = script_print_metric,
2058                 .new_line = script_new_line,
2059                 .ctx = &(struct metric_ctx) {
2060                                 .sample = sample,
2061                                 .thread = thread,
2062                                 .evsel  = evsel,
2063                                 .fp     = fp,
2064                          },
2065                 .force_header = false,
2066         };
2067         struct evsel *ev2;
2068         u64 val;
2069
2070         if (!evsel->stats)
2071                 evlist__alloc_stats(&stat_config, script->session->evlist, /*alloc_raw=*/false);
2072         if (evsel_script(leader)->gnum++ == 0)
2073                 perf_stat__reset_shadow_stats();
2074         val = sample->period * evsel->scale;
2075         perf_stat__update_shadow_stats(evsel,
2076                                        val,
2077                                        sample->cpu,
2078                                        &rt_stat);
2079         evsel_script(evsel)->val = val;
2080         if (evsel_script(leader)->gnum == leader->core.nr_members) {
2081                 for_each_group_member (ev2, leader) {
2082                         perf_stat__print_shadow_stats(&stat_config, ev2,
2083                                                       evsel_script(ev2)->val,
2084                                                       sample->cpu,
2085                                                       &ctx,
2086                                                       NULL,
2087                                                       &rt_stat);
2088                 }
2089                 evsel_script(leader)->gnum = 0;
2090         }
2091 }
2092
2093 static bool show_event(struct perf_sample *sample,
2094                        struct evsel *evsel,
2095                        struct thread *thread,
2096                        struct addr_location *al,
2097                        struct addr_location *addr_al)
2098 {
2099         int depth = thread_stack__depth(thread, sample->cpu);
2100
2101         if (!symbol_conf.graph_function)
2102                 return true;
2103
2104         if (thread->filter) {
2105                 if (depth <= thread->filter_entry_depth) {
2106                         thread->filter = false;
2107                         return false;
2108                 }
2109                 return true;
2110         } else {
2111                 const char *s = symbol_conf.graph_function;
2112                 u64 ip;
2113                 const char *name = resolve_branch_sym(sample, evsel, thread, al, addr_al,
2114                                 &ip);
2115                 unsigned nlen;
2116
2117                 if (!name)
2118                         return false;
2119                 nlen = strlen(name);
2120                 while (*s) {
2121                         unsigned len = strcspn(s, ",");
2122                         if (nlen == len && !strncmp(name, s, len)) {
2123                                 thread->filter = true;
2124                                 thread->filter_entry_depth = depth;
2125                                 return true;
2126                         }
2127                         s += len;
2128                         if (*s == ',')
2129                                 s++;
2130                 }
2131                 return false;
2132         }
2133 }
2134
2135 static void process_event(struct perf_script *script,
2136                           struct perf_sample *sample, struct evsel *evsel,
2137                           struct addr_location *al,
2138                           struct addr_location *addr_al,
2139                           struct machine *machine)
2140 {
2141         struct thread *thread = al->thread;
2142         struct perf_event_attr *attr = &evsel->core.attr;
2143         unsigned int type = output_type(attr->type);
2144         struct evsel_script *es = evsel->priv;
2145         FILE *fp = es->fp;
2146         char str[PAGE_SIZE_NAME_LEN];
2147         const char *arch = perf_env__arch(machine->env);
2148
2149         if (output[type].fields == 0)
2150                 return;
2151
2152         ++es->samples;
2153
2154         perf_sample__fprintf_start(script, sample, thread, evsel,
2155                                    PERF_RECORD_SAMPLE, fp);
2156
2157         if (PRINT_FIELD(PERIOD))
2158                 fprintf(fp, "%10" PRIu64 " ", sample->period);
2159
2160         if (PRINT_FIELD(EVNAME)) {
2161                 const char *evname = evsel__name(evsel);
2162
2163                 if (!script->name_width)
2164                         script->name_width = evlist__max_name_len(script->session->evlist);
2165
2166                 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
2167         }
2168
2169         if (print_flags)
2170                 perf_sample__fprintf_flags(sample->flags, fp);
2171
2172         if (is_bts_event(attr)) {
2173                 perf_sample__fprintf_bts(sample, evsel, thread, al, addr_al, machine, fp);
2174                 return;
2175         }
2176 #ifdef HAVE_LIBTRACEEVENT
2177         if (PRINT_FIELD(TRACE) && sample->raw_data) {
2178                 event_format__fprintf(evsel->tp_format, sample->cpu,
2179                                       sample->raw_data, sample->raw_size, fp);
2180         }
2181 #endif
2182         if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
2183                 perf_sample__fprintf_synth(sample, evsel, fp);
2184
2185         if (PRINT_FIELD(ADDR))
2186                 perf_sample__fprintf_addr(sample, thread, attr, fp);
2187
2188         if (PRINT_FIELD(DATA_SRC))
2189                 data_src__fprintf(sample->data_src, fp);
2190
2191         if (PRINT_FIELD(WEIGHT))
2192                 fprintf(fp, "%16" PRIu64, sample->weight);
2193
2194         if (PRINT_FIELD(INS_LAT))
2195                 fprintf(fp, "%16" PRIu16, sample->ins_lat);
2196
2197         if (PRINT_FIELD(RETIRE_LAT))
2198                 fprintf(fp, "%16" PRIu16, sample->retire_lat);
2199
2200         if (PRINT_FIELD(IP)) {
2201                 struct callchain_cursor *cursor = NULL;
2202
2203                 if (script->stitch_lbr)
2204                         al->thread->lbr_stitch_enable = true;
2205
2206                 if (symbol_conf.use_callchain && sample->callchain &&
2207                     thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
2208                                               sample, NULL, NULL, scripting_max_stack) == 0)
2209                         cursor = &callchain_cursor;
2210
2211                 fputc(cursor ? '\n' : ' ', fp);
2212                 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor,
2213                                     symbol_conf.bt_stop_list, fp);
2214         }
2215
2216         if (PRINT_FIELD(IREGS))
2217                 perf_sample__fprintf_iregs(sample, attr, arch, fp);
2218
2219         if (PRINT_FIELD(UREGS))
2220                 perf_sample__fprintf_uregs(sample, attr, arch, fp);
2221
2222         if (PRINT_FIELD(BRSTACK))
2223                 perf_sample__fprintf_brstack(sample, thread, attr, fp);
2224         else if (PRINT_FIELD(BRSTACKSYM))
2225                 perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
2226         else if (PRINT_FIELD(BRSTACKOFF))
2227                 perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
2228
2229         if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
2230                 perf_sample__fprintf_bpf_output(sample, fp);
2231         perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
2232
2233         if (PRINT_FIELD(PHYS_ADDR))
2234                 fprintf(fp, "%16" PRIx64, sample->phys_addr);
2235
2236         if (PRINT_FIELD(DATA_PAGE_SIZE))
2237                 fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str));
2238
2239         if (PRINT_FIELD(CODE_PAGE_SIZE))
2240                 fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str));
2241
2242         if (PRINT_FIELD(CGROUP)) {
2243                 const char *cgrp_name;
2244                 struct cgroup *cgrp = cgroup__find(machine->env,
2245                                                    sample->cgroup);
2246                 if (cgrp != NULL)
2247                         cgrp_name = cgrp->name;
2248                 else
2249                         cgrp_name = "unknown";
2250                 fprintf(fp, " %s", cgrp_name);
2251         }
2252
2253         perf_sample__fprintf_ipc(sample, attr, fp);
2254
2255         fprintf(fp, "\n");
2256
2257         if (PRINT_FIELD(SRCCODE)) {
2258                 if (map__fprintf_srccode(al->map, al->addr, stdout,
2259                                          &thread->srccode_state))
2260                         printf("\n");
2261         }
2262
2263         if (PRINT_FIELD(METRIC))
2264                 perf_sample__fprint_metric(script, thread, evsel, sample, fp);
2265
2266         if (verbose > 0)
2267                 fflush(fp);
2268 }
2269
2270 static struct scripting_ops     *scripting_ops;
2271
2272 static void __process_stat(struct evsel *counter, u64 tstamp)
2273 {
2274         int nthreads = perf_thread_map__nr(counter->core.threads);
2275         int idx, thread;
2276         struct perf_cpu cpu;
2277         static int header_printed;
2278
2279         if (!header_printed) {
2280                 printf("%3s %8s %15s %15s %15s %15s %s\n",
2281                        "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
2282                 header_printed = 1;
2283         }
2284
2285         for (thread = 0; thread < nthreads; thread++) {
2286                 perf_cpu_map__for_each_cpu(cpu, idx, evsel__cpus(counter)) {
2287                         struct perf_counts_values *counts;
2288
2289                         counts = perf_counts(counter->counts, idx, thread);
2290
2291                         printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
2292                                 cpu.cpu,
2293                                 perf_thread_map__pid(counter->core.threads, thread),
2294                                 counts->val,
2295                                 counts->ena,
2296                                 counts->run,
2297                                 tstamp,
2298                                 evsel__name(counter));
2299                 }
2300         }
2301 }
2302
2303 static void process_stat(struct evsel *counter, u64 tstamp)
2304 {
2305         if (scripting_ops && scripting_ops->process_stat)
2306                 scripting_ops->process_stat(&stat_config, counter, tstamp);
2307         else
2308                 __process_stat(counter, tstamp);
2309 }
2310
2311 static void process_stat_interval(u64 tstamp)
2312 {
2313         if (scripting_ops && scripting_ops->process_stat_interval)
2314                 scripting_ops->process_stat_interval(tstamp);
2315 }
2316
2317 static void setup_scripting(void)
2318 {
2319 #ifdef HAVE_LIBTRACEEVENT
2320         setup_perl_scripting();
2321         setup_python_scripting();
2322 #endif
2323 }
2324
2325 static int flush_scripting(void)
2326 {
2327         return scripting_ops ? scripting_ops->flush_script() : 0;
2328 }
2329
2330 static int cleanup_scripting(void)
2331 {
2332         pr_debug("\nperf script stopped\n");
2333
2334         return scripting_ops ? scripting_ops->stop_script() : 0;
2335 }
2336
2337 static bool filter_cpu(struct perf_sample *sample)
2338 {
2339         if (cpu_list && sample->cpu != (u32)-1)
2340                 return !test_bit(sample->cpu, cpu_bitmap);
2341         return false;
2342 }
2343
2344 static int process_sample_event(struct perf_tool *tool,
2345                                 union perf_event *event,
2346                                 struct perf_sample *sample,
2347                                 struct evsel *evsel,
2348                                 struct machine *machine)
2349 {
2350         struct perf_script *scr = container_of(tool, struct perf_script, tool);
2351         struct addr_location al;
2352         struct addr_location addr_al;
2353         int ret = 0;
2354
2355         /* Set thread to NULL to indicate addr_al and al are not initialized */
2356         addr_al.thread = NULL;
2357         al.thread = NULL;
2358
2359         ret = dlfilter__filter_event_early(dlfilter, event, sample, evsel, machine, &al, &addr_al);
2360         if (ret) {
2361                 if (ret > 0)
2362                         ret = 0;
2363                 goto out_put;
2364         }
2365
2366         if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
2367                                           sample->time)) {
2368                 goto out_put;
2369         }
2370
2371         if (debug_mode) {
2372                 if (sample->time < last_timestamp) {
2373                         pr_err("Samples misordered, previous: %" PRIu64
2374                                 " this: %" PRIu64 "\n", last_timestamp,
2375                                 sample->time);
2376                         nr_unordered++;
2377                 }
2378                 last_timestamp = sample->time;
2379                 goto out_put;
2380         }
2381
2382         if (filter_cpu(sample))
2383                 goto out_put;
2384
2385         if (!al.thread && machine__resolve(machine, &al, sample) < 0) {
2386                 pr_err("problem processing %d event, skipping it.\n",
2387                        event->header.type);
2388                 ret = -1;
2389                 goto out_put;
2390         }
2391
2392         if (al.filtered)
2393                 goto out_put;
2394
2395         if (!show_event(sample, evsel, al.thread, &al, &addr_al))
2396                 goto out_put;
2397
2398         if (evswitch__discard(&scr->evswitch, evsel))
2399                 goto out_put;
2400
2401         ret = dlfilter__filter_event(dlfilter, event, sample, evsel, machine, &al, &addr_al);
2402         if (ret) {
2403                 if (ret > 0)
2404                         ret = 0;
2405                 goto out_put;
2406         }
2407
2408         if (scripting_ops) {
2409                 struct addr_location *addr_al_ptr = NULL;
2410
2411                 if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
2412                     sample_addr_correlates_sym(&evsel->core.attr)) {
2413                         if (!addr_al.thread)
2414                                 thread__resolve(al.thread, &addr_al, sample);
2415                         addr_al_ptr = &addr_al;
2416                 }
2417                 scripting_ops->process_event(event, sample, evsel, &al, addr_al_ptr);
2418         } else {
2419                 process_event(scr, sample, evsel, &al, &addr_al, machine);
2420         }
2421
2422 out_put:
2423         if (al.thread)
2424                 addr_location__put(&al);
2425         return ret;
2426 }
2427
2428 static int process_attr(struct perf_tool *tool, union perf_event *event,
2429                         struct evlist **pevlist)
2430 {
2431         struct perf_script *scr = container_of(tool, struct perf_script, tool);
2432         struct evlist *evlist;
2433         struct evsel *evsel, *pos;
2434         u64 sample_type;
2435         int err;
2436         static struct evsel_script *es;
2437
2438         err = perf_event__process_attr(tool, event, pevlist);
2439         if (err)
2440                 return err;
2441
2442         evlist = *pevlist;
2443         evsel = evlist__last(*pevlist);
2444
2445         if (!evsel->priv) {
2446                 if (scr->per_event_dump) {
2447                         evsel->priv = evsel_script__new(evsel, scr->session->data);
2448                 } else {
2449                         es = zalloc(sizeof(*es));
2450                         if (!es)
2451                                 return -ENOMEM;
2452                         es->fp = stdout;
2453                         evsel->priv = es;
2454                 }
2455         }
2456
2457         if (evsel->core.attr.type >= PERF_TYPE_MAX &&
2458             evsel->core.attr.type != PERF_TYPE_SYNTH)
2459                 return 0;
2460
2461         evlist__for_each_entry(evlist, pos) {
2462                 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel)
2463                         return 0;
2464         }
2465
2466         if (evsel->core.attr.sample_type) {
2467                 err = evsel__check_attr(evsel, scr->session);
2468                 if (err)
2469                         return err;
2470         }
2471
2472         /*
2473          * Check if we need to enable callchains based
2474          * on events sample_type.
2475          */
2476         sample_type = evlist__combined_sample_type(evlist);
2477         callchain_param_setup(sample_type, perf_env__arch((*pevlist)->env));
2478
2479         /* Enable fields for callchain entries */
2480         if (symbol_conf.use_callchain &&
2481             (sample_type & PERF_SAMPLE_CALLCHAIN ||
2482              sample_type & PERF_SAMPLE_BRANCH_STACK ||
2483              (sample_type & PERF_SAMPLE_REGS_USER &&
2484               sample_type & PERF_SAMPLE_STACK_USER))) {
2485                 int type = output_type(evsel->core.attr.type);
2486
2487                 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP))
2488                         output[type].fields |= PERF_OUTPUT_IP;
2489                 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM))
2490                         output[type].fields |= PERF_OUTPUT_SYM;
2491         }
2492         set_print_ip_opts(&evsel->core.attr);
2493         return 0;
2494 }
2495
2496 static int print_event_with_time(struct perf_tool *tool,
2497                                  union perf_event *event,
2498                                  struct perf_sample *sample,
2499                                  struct machine *machine,
2500                                  pid_t pid, pid_t tid, u64 timestamp)
2501 {
2502         struct perf_script *script = container_of(tool, struct perf_script, tool);
2503         struct perf_session *session = script->session;
2504         struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id);
2505         struct thread *thread = NULL;
2506
2507         if (evsel && !evsel->core.attr.sample_id_all) {
2508                 sample->cpu = 0;
2509                 sample->time = timestamp;
2510                 sample->pid = pid;
2511                 sample->tid = tid;
2512         }
2513
2514         if (filter_cpu(sample))
2515                 return 0;
2516
2517         if (tid != -1)
2518                 thread = machine__findnew_thread(machine, pid, tid);
2519
2520         if (evsel) {
2521                 perf_sample__fprintf_start(script, sample, thread, evsel,
2522                                            event->header.type, stdout);
2523         }
2524
2525         perf_event__fprintf(event, machine, stdout);
2526
2527         thread__put(thread);
2528
2529         return 0;
2530 }
2531
2532 static int print_event(struct perf_tool *tool, union perf_event *event,
2533                        struct perf_sample *sample, struct machine *machine,
2534                        pid_t pid, pid_t tid)
2535 {
2536         return print_event_with_time(tool, event, sample, machine, pid, tid, 0);
2537 }
2538
2539 static int process_comm_event(struct perf_tool *tool,
2540                               union perf_event *event,
2541                               struct perf_sample *sample,
2542                               struct machine *machine)
2543 {
2544         if (perf_event__process_comm(tool, event, sample, machine) < 0)
2545                 return -1;
2546
2547         return print_event(tool, event, sample, machine, event->comm.pid,
2548                            event->comm.tid);
2549 }
2550
2551 static int process_namespaces_event(struct perf_tool *tool,
2552                                     union perf_event *event,
2553                                     struct perf_sample *sample,
2554                                     struct machine *machine)
2555 {
2556         if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
2557                 return -1;
2558
2559         return print_event(tool, event, sample, machine, event->namespaces.pid,
2560                            event->namespaces.tid);
2561 }
2562
2563 static int process_cgroup_event(struct perf_tool *tool,
2564                                 union perf_event *event,
2565                                 struct perf_sample *sample,
2566                                 struct machine *machine)
2567 {
2568         if (perf_event__process_cgroup(tool, event, sample, machine) < 0)
2569                 return -1;
2570
2571         return print_event(tool, event, sample, machine, sample->pid,
2572                             sample->tid);
2573 }
2574
2575 static int process_fork_event(struct perf_tool *tool,
2576                               union perf_event *event,
2577                               struct perf_sample *sample,
2578                               struct machine *machine)
2579 {
2580         if (perf_event__process_fork(tool, event, sample, machine) < 0)
2581                 return -1;
2582
2583         return print_event_with_time(tool, event, sample, machine,
2584                                      event->fork.pid, event->fork.tid,
2585                                      event->fork.time);
2586 }
2587 static int process_exit_event(struct perf_tool *tool,
2588                               union perf_event *event,
2589                               struct perf_sample *sample,
2590                               struct machine *machine)
2591 {
2592         /* Print before 'exit' deletes anything */
2593         if (print_event_with_time(tool, event, sample, machine, event->fork.pid,
2594                                   event->fork.tid, event->fork.time))
2595                 return -1;
2596
2597         return perf_event__process_exit(tool, event, sample, machine);
2598 }
2599
2600 static int process_mmap_event(struct perf_tool *tool,
2601                               union perf_event *event,
2602                               struct perf_sample *sample,
2603                               struct machine *machine)
2604 {
2605         if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2606                 return -1;
2607
2608         return print_event(tool, event, sample, machine, event->mmap.pid,
2609                            event->mmap.tid);
2610 }
2611
2612 static int process_mmap2_event(struct perf_tool *tool,
2613                               union perf_event *event,
2614                               struct perf_sample *sample,
2615                               struct machine *machine)
2616 {
2617         if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2618                 return -1;
2619
2620         return print_event(tool, event, sample, machine, event->mmap2.pid,
2621                            event->mmap2.tid);
2622 }
2623
2624 static int process_switch_event(struct perf_tool *tool,
2625                                 union perf_event *event,
2626                                 struct perf_sample *sample,
2627                                 struct machine *machine)
2628 {
2629         struct perf_script *script = container_of(tool, struct perf_script, tool);
2630
2631         if (perf_event__process_switch(tool, event, sample, machine) < 0)
2632                 return -1;
2633
2634         if (scripting_ops && scripting_ops->process_switch && !filter_cpu(sample))
2635                 scripting_ops->process_switch(event, sample, machine);
2636
2637         if (!script->show_switch_events)
2638                 return 0;
2639
2640         return print_event(tool, event, sample, machine, sample->pid,
2641                            sample->tid);
2642 }
2643
2644 static int process_auxtrace_error(struct perf_session *session,
2645                                   union perf_event *event)
2646 {
2647         if (scripting_ops && scripting_ops->process_auxtrace_error) {
2648                 scripting_ops->process_auxtrace_error(session, event);
2649                 return 0;
2650         }
2651
2652         return perf_event__process_auxtrace_error(session, event);
2653 }
2654
2655 static int
2656 process_lost_event(struct perf_tool *tool,
2657                    union perf_event *event,
2658                    struct perf_sample *sample,
2659                    struct machine *machine)
2660 {
2661         return print_event(tool, event, sample, machine, sample->pid,
2662                            sample->tid);
2663 }
2664
2665 static int
2666 process_throttle_event(struct perf_tool *tool __maybe_unused,
2667                        union perf_event *event,
2668                        struct perf_sample *sample,
2669                        struct machine *machine)
2670 {
2671         if (scripting_ops && scripting_ops->process_throttle)
2672                 scripting_ops->process_throttle(event, sample, machine);
2673         return 0;
2674 }
2675
2676 static int
2677 process_finished_round_event(struct perf_tool *tool __maybe_unused,
2678                              union perf_event *event,
2679                              struct ordered_events *oe __maybe_unused)
2680
2681 {
2682         perf_event__fprintf(event, NULL, stdout);
2683         return 0;
2684 }
2685
2686 static int
2687 process_bpf_events(struct perf_tool *tool __maybe_unused,
2688                    union perf_event *event,
2689                    struct perf_sample *sample,
2690                    struct machine *machine)
2691 {
2692         if (machine__process_ksymbol(machine, event, sample) < 0)
2693                 return -1;
2694
2695         return print_event(tool, event, sample, machine, sample->pid,
2696                            sample->tid);
2697 }
2698
2699 static int process_text_poke_events(struct perf_tool *tool,
2700                                     union perf_event *event,
2701                                     struct perf_sample *sample,
2702                                     struct machine *machine)
2703 {
2704         if (perf_event__process_text_poke(tool, event, sample, machine) < 0)
2705                 return -1;
2706
2707         return print_event(tool, event, sample, machine, sample->pid,
2708                            sample->tid);
2709 }
2710
2711 static void sig_handler(int sig __maybe_unused)
2712 {
2713         session_done = 1;
2714 }
2715
2716 static void perf_script__fclose_per_event_dump(struct perf_script *script)
2717 {
2718         struct evlist *evlist = script->session->evlist;
2719         struct evsel *evsel;
2720
2721         evlist__for_each_entry(evlist, evsel) {
2722                 if (!evsel->priv)
2723                         break;
2724                 evsel_script__delete(evsel->priv);
2725                 evsel->priv = NULL;
2726         }
2727 }
2728
2729 static int perf_script__fopen_per_event_dump(struct perf_script *script)
2730 {
2731         struct evsel *evsel;
2732
2733         evlist__for_each_entry(script->session->evlist, evsel) {
2734                 /*
2735                  * Already setup? I.e. we may be called twice in cases like
2736                  * Intel PT, one for the intel_pt// and dummy events, then
2737                  * for the evsels synthesized from the auxtrace info.
2738                  *
2739                  * Ses perf_script__process_auxtrace_info.
2740                  */
2741                 if (evsel->priv != NULL)
2742                         continue;
2743
2744                 evsel->priv = evsel_script__new(evsel, script->session->data);
2745                 if (evsel->priv == NULL)
2746                         goto out_err_fclose;
2747         }
2748
2749         return 0;
2750
2751 out_err_fclose:
2752         perf_script__fclose_per_event_dump(script);
2753         return -1;
2754 }
2755
2756 static int perf_script__setup_per_event_dump(struct perf_script *script)
2757 {
2758         struct evsel *evsel;
2759         static struct evsel_script es_stdout;
2760
2761         if (script->per_event_dump)
2762                 return perf_script__fopen_per_event_dump(script);
2763
2764         es_stdout.fp = stdout;
2765
2766         evlist__for_each_entry(script->session->evlist, evsel)
2767                 evsel->priv = &es_stdout;
2768
2769         return 0;
2770 }
2771
2772 static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2773 {
2774         struct evsel *evsel;
2775
2776         evlist__for_each_entry(script->session->evlist, evsel) {
2777                 struct evsel_script *es = evsel->priv;
2778
2779                 evsel_script__fprintf(es, stdout);
2780                 evsel_script__delete(es);
2781                 evsel->priv = NULL;
2782         }
2783 }
2784
2785 static void perf_script__exit(struct perf_script *script)
2786 {
2787         perf_thread_map__put(script->threads);
2788         perf_cpu_map__put(script->cpus);
2789 }
2790
2791 static int __cmd_script(struct perf_script *script)
2792 {
2793         int ret;
2794
2795         signal(SIGINT, sig_handler);
2796
2797         perf_stat__init_shadow_stats();
2798
2799         /* override event processing functions */
2800         if (script->show_task_events) {
2801                 script->tool.comm = process_comm_event;
2802                 script->tool.fork = process_fork_event;
2803                 script->tool.exit = process_exit_event;
2804         }
2805         if (script->show_mmap_events) {
2806                 script->tool.mmap = process_mmap_event;
2807                 script->tool.mmap2 = process_mmap2_event;
2808         }
2809         if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch))
2810                 script->tool.context_switch = process_switch_event;
2811         if (scripting_ops && scripting_ops->process_auxtrace_error)
2812                 script->tool.auxtrace_error = process_auxtrace_error;
2813         if (script->show_namespace_events)
2814                 script->tool.namespaces = process_namespaces_event;
2815         if (script->show_cgroup_events)
2816                 script->tool.cgroup = process_cgroup_event;
2817         if (script->show_lost_events)
2818                 script->tool.lost = process_lost_event;
2819         if (script->show_round_events) {
2820                 script->tool.ordered_events = false;
2821                 script->tool.finished_round = process_finished_round_event;
2822         }
2823         if (script->show_bpf_events) {
2824                 script->tool.ksymbol = process_bpf_events;
2825                 script->tool.bpf     = process_bpf_events;
2826         }
2827         if (script->show_text_poke_events) {
2828                 script->tool.ksymbol   = process_bpf_events;
2829                 script->tool.text_poke = process_text_poke_events;
2830         }
2831
2832         if (perf_script__setup_per_event_dump(script)) {
2833                 pr_err("Couldn't create the per event dump files\n");
2834                 return -1;
2835         }
2836
2837         ret = perf_session__process_events(script->session);
2838
2839         if (script->per_event_dump)
2840                 perf_script__exit_per_event_dump_stats(script);
2841
2842         if (debug_mode)
2843                 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2844
2845         return ret;
2846 }
2847
2848 struct script_spec {
2849         struct list_head        node;
2850         struct scripting_ops    *ops;
2851         char                    spec[];
2852 };
2853
2854 static LIST_HEAD(script_specs);
2855
2856 static struct script_spec *script_spec__new(const char *spec,
2857                                             struct scripting_ops *ops)
2858 {
2859         struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2860
2861         if (s != NULL) {
2862                 strcpy(s->spec, spec);
2863                 s->ops = ops;
2864         }
2865
2866         return s;
2867 }
2868
2869 static void script_spec__add(struct script_spec *s)
2870 {
2871         list_add_tail(&s->node, &script_specs);
2872 }
2873
2874 static struct script_spec *script_spec__find(const char *spec)
2875 {
2876         struct script_spec *s;
2877
2878         list_for_each_entry(s, &script_specs, node)
2879                 if (strcasecmp(s->spec, spec) == 0)
2880                         return s;
2881         return NULL;
2882 }
2883
2884 int script_spec_register(const char *spec, struct scripting_ops *ops)
2885 {
2886         struct script_spec *s;
2887
2888         s = script_spec__find(spec);
2889         if (s)
2890                 return -1;
2891
2892         s = script_spec__new(spec, ops);
2893         if (!s)
2894                 return -1;
2895         else
2896                 script_spec__add(s);
2897
2898         return 0;
2899 }
2900
2901 static struct scripting_ops *script_spec__lookup(const char *spec)
2902 {
2903         struct script_spec *s = script_spec__find(spec);
2904         if (!s)
2905                 return NULL;
2906
2907         return s->ops;
2908 }
2909
2910 static void list_available_languages(void)
2911 {
2912         struct script_spec *s;
2913
2914         fprintf(stderr, "\n");
2915         fprintf(stderr, "Scripting language extensions (used in "
2916                 "perf script -s [spec:]script.[spec]):\n\n");
2917
2918         list_for_each_entry(s, &script_specs, node)
2919                 fprintf(stderr, "  %-42s [%s]\n", s->spec, s->ops->name);
2920
2921         fprintf(stderr, "\n");
2922 }
2923
2924 /* Find script file relative to current directory or exec path */
2925 static char *find_script(const char *script)
2926 {
2927         char path[PATH_MAX];
2928
2929         if (!scripting_ops) {
2930                 const char *ext = strrchr(script, '.');
2931
2932                 if (!ext)
2933                         return NULL;
2934
2935                 scripting_ops = script_spec__lookup(++ext);
2936                 if (!scripting_ops)
2937                         return NULL;
2938         }
2939
2940         if (access(script, R_OK)) {
2941                 char *exec_path = get_argv_exec_path();
2942
2943                 if (!exec_path)
2944                         return NULL;
2945                 snprintf(path, sizeof(path), "%s/scripts/%s/%s",
2946                          exec_path, scripting_ops->dirname, script);
2947                 free(exec_path);
2948                 script = path;
2949                 if (access(script, R_OK))
2950                         return NULL;
2951         }
2952         return strdup(script);
2953 }
2954
2955 static int parse_scriptname(const struct option *opt __maybe_unused,
2956                             const char *str, int unset __maybe_unused)
2957 {
2958         char spec[PATH_MAX];
2959         const char *script, *ext;
2960         int len;
2961
2962         if (strcmp(str, "lang") == 0) {
2963                 list_available_languages();
2964                 exit(0);
2965         }
2966
2967         script = strchr(str, ':');
2968         if (script) {
2969                 len = script - str;
2970                 if (len >= PATH_MAX) {
2971                         fprintf(stderr, "invalid language specifier");
2972                         return -1;
2973                 }
2974                 strncpy(spec, str, len);
2975                 spec[len] = '\0';
2976                 scripting_ops = script_spec__lookup(spec);
2977                 if (!scripting_ops) {
2978                         fprintf(stderr, "invalid language specifier");
2979                         return -1;
2980                 }
2981                 script++;
2982         } else {
2983                 script = str;
2984                 ext = strrchr(script, '.');
2985                 if (!ext) {
2986                         fprintf(stderr, "invalid script extension");
2987                         return -1;
2988                 }
2989                 scripting_ops = script_spec__lookup(++ext);
2990                 if (!scripting_ops) {
2991                         fprintf(stderr, "invalid script extension");
2992                         return -1;
2993                 }
2994         }
2995
2996         script_name = find_script(script);
2997         if (!script_name)
2998                 script_name = strdup(script);
2999
3000         return 0;
3001 }
3002
3003 static int parse_output_fields(const struct option *opt __maybe_unused,
3004                             const char *arg, int unset __maybe_unused)
3005 {
3006         char *tok, *strtok_saveptr = NULL;
3007         int i, imax = ARRAY_SIZE(all_output_options);
3008         int j;
3009         int rc = 0;
3010         char *str = strdup(arg);
3011         int type = -1;
3012         enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
3013
3014         if (!str)
3015                 return -ENOMEM;
3016
3017         /* first word can state for which event type the user is specifying
3018          * the fields. If no type exists, the specified fields apply to all
3019          * event types found in the file minus the invalid fields for a type.
3020          */
3021         tok = strchr(str, ':');
3022         if (tok) {
3023                 *tok = '\0';
3024                 tok++;
3025                 if (!strcmp(str, "hw"))
3026                         type = PERF_TYPE_HARDWARE;
3027                 else if (!strcmp(str, "sw"))
3028                         type = PERF_TYPE_SOFTWARE;
3029                 else if (!strcmp(str, "trace"))
3030                         type = PERF_TYPE_TRACEPOINT;
3031                 else if (!strcmp(str, "raw"))
3032                         type = PERF_TYPE_RAW;
3033                 else if (!strcmp(str, "break"))
3034                         type = PERF_TYPE_BREAKPOINT;
3035                 else if (!strcmp(str, "synth"))
3036                         type = OUTPUT_TYPE_SYNTH;
3037                 else {
3038                         fprintf(stderr, "Invalid event type in field string.\n");
3039                         rc = -EINVAL;
3040                         goto out;
3041                 }
3042
3043                 if (output[type].user_set)
3044                         pr_warning("Overriding previous field request for %s events.\n",
3045                                    event_type(type));
3046
3047                 /* Don't override defaults for +- */
3048                 if (strchr(tok, '+') || strchr(tok, '-'))
3049                         goto parse;
3050
3051                 output[type].fields = 0;
3052                 output[type].user_set = true;
3053                 output[type].wildcard_set = false;
3054
3055         } else {
3056                 tok = str;
3057                 if (strlen(str) == 0) {
3058                         fprintf(stderr,
3059                                 "Cannot set fields to 'none' for all event types.\n");
3060                         rc = -EINVAL;
3061                         goto out;
3062                 }
3063
3064                 /* Don't override defaults for +- */
3065                 if (strchr(str, '+') || strchr(str, '-'))
3066                         goto parse;
3067
3068                 if (output_set_by_user())
3069                         pr_warning("Overriding previous field request for all events.\n");
3070
3071                 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
3072                         output[j].fields = 0;
3073                         output[j].user_set = true;
3074                         output[j].wildcard_set = true;
3075                 }
3076         }
3077
3078 parse:
3079         for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
3080                 if (*tok == '+') {
3081                         if (change == SET)
3082                                 goto out_badmix;
3083                         change = ADD;
3084                         tok++;
3085                 } else if (*tok == '-') {
3086                         if (change == SET)
3087                                 goto out_badmix;
3088                         change = REMOVE;
3089                         tok++;
3090                 } else {
3091                         if (change != SET && change != DEFAULT)
3092                                 goto out_badmix;
3093                         change = SET;
3094                 }
3095
3096                 for (i = 0; i < imax; ++i) {
3097                         if (strcmp(tok, all_output_options[i].str) == 0)
3098                                 break;
3099                 }
3100                 if (i == imax && strcmp(tok, "flags") == 0) {
3101                         print_flags = change != REMOVE;
3102                         continue;
3103                 }
3104                 if (i == imax) {
3105                         fprintf(stderr, "Invalid field requested.\n");
3106                         rc = -EINVAL;
3107                         goto out;
3108                 }
3109
3110                 if (type == -1) {
3111                         /* add user option to all events types for
3112                          * which it is valid
3113                          */
3114                         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
3115                                 if (output[j].invalid_fields & all_output_options[i].field) {
3116                                         pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
3117                                                    all_output_options[i].str, event_type(j));
3118                                 } else {
3119                                         if (change == REMOVE) {
3120                                                 output[j].fields &= ~all_output_options[i].field;
3121                                                 output[j].user_set_fields &= ~all_output_options[i].field;
3122                                                 output[j].user_unset_fields |= all_output_options[i].field;
3123                                         } else {
3124                                                 output[j].fields |= all_output_options[i].field;
3125                                                 output[j].user_set_fields |= all_output_options[i].field;
3126                                                 output[j].user_unset_fields &= ~all_output_options[i].field;
3127                                         }
3128                                         output[j].user_set = true;
3129                                         output[j].wildcard_set = true;
3130                                 }
3131                         }
3132                 } else {
3133                         if (output[type].invalid_fields & all_output_options[i].field) {
3134                                 fprintf(stderr, "\'%s\' not valid for %s events.\n",
3135                                          all_output_options[i].str, event_type(type));
3136
3137                                 rc = -EINVAL;
3138                                 goto out;
3139                         }
3140                         if (change == REMOVE)
3141                                 output[type].fields &= ~all_output_options[i].field;
3142                         else
3143                                 output[type].fields |= all_output_options[i].field;
3144                         output[type].user_set = true;
3145                         output[type].wildcard_set = true;
3146                 }
3147         }
3148
3149         if (type >= 0) {
3150                 if (output[type].fields == 0) {
3151                         pr_debug("No fields requested for %s type. "
3152                                  "Events will not be displayed.\n", event_type(type));
3153                 }
3154         }
3155         goto out;
3156
3157 out_badmix:
3158         fprintf(stderr, "Cannot mix +-field with overridden fields\n");
3159         rc = -EINVAL;
3160 out:
3161         free(str);
3162         return rc;
3163 }
3164
3165 #define for_each_lang(scripts_path, scripts_dir, lang_dirent)           \
3166         while ((lang_dirent = readdir(scripts_dir)) != NULL)            \
3167                 if ((lang_dirent->d_type == DT_DIR ||                   \
3168                      (lang_dirent->d_type == DT_UNKNOWN &&              \
3169                       is_directory(scripts_path, lang_dirent))) &&      \
3170                     (strcmp(lang_dirent->d_name, ".")) &&               \
3171                     (strcmp(lang_dirent->d_name, "..")))
3172
3173 #define for_each_script(lang_path, lang_dir, script_dirent)             \
3174         while ((script_dirent = readdir(lang_dir)) != NULL)             \
3175                 if (script_dirent->d_type != DT_DIR &&                  \
3176                     (script_dirent->d_type != DT_UNKNOWN ||             \
3177                      !is_directory(lang_path, script_dirent)))
3178
3179
3180 #define RECORD_SUFFIX                   "-record"
3181 #define REPORT_SUFFIX                   "-report"
3182
3183 struct script_desc {
3184         struct list_head        node;
3185         char                    *name;
3186         char                    *half_liner;
3187         char                    *args;
3188 };
3189
3190 static LIST_HEAD(script_descs);
3191
3192 static struct script_desc *script_desc__new(const char *name)
3193 {
3194         struct script_desc *s = zalloc(sizeof(*s));
3195
3196         if (s != NULL && name)
3197                 s->name = strdup(name);
3198
3199         return s;
3200 }
3201
3202 static void script_desc__delete(struct script_desc *s)
3203 {
3204         zfree(&s->name);
3205         zfree(&s->half_liner);
3206         zfree(&s->args);
3207         free(s);
3208 }
3209
3210 static void script_desc__add(struct script_desc *s)
3211 {
3212         list_add_tail(&s->node, &script_descs);
3213 }
3214
3215 static struct script_desc *script_desc__find(const char *name)
3216 {
3217         struct script_desc *s;
3218
3219         list_for_each_entry(s, &script_descs, node)
3220                 if (strcasecmp(s->name, name) == 0)
3221                         return s;
3222         return NULL;
3223 }
3224
3225 static struct script_desc *script_desc__findnew(const char *name)
3226 {
3227         struct script_desc *s = script_desc__find(name);
3228
3229         if (s)
3230                 return s;
3231
3232         s = script_desc__new(name);
3233         if (!s)
3234                 return NULL;
3235
3236         script_desc__add(s);
3237
3238         return s;
3239 }
3240
3241 static const char *ends_with(const char *str, const char *suffix)
3242 {
3243         size_t suffix_len = strlen(suffix);
3244         const char *p = str;
3245
3246         if (strlen(str) > suffix_len) {
3247                 p = str + strlen(str) - suffix_len;
3248                 if (!strncmp(p, suffix, suffix_len))
3249                         return p;
3250         }
3251
3252         return NULL;
3253 }
3254
3255 static int read_script_info(struct script_desc *desc, const char *filename)
3256 {
3257         char line[BUFSIZ], *p;
3258         FILE *fp;
3259
3260         fp = fopen(filename, "r");
3261         if (!fp)
3262                 return -1;
3263
3264         while (fgets(line, sizeof(line), fp)) {
3265                 p = skip_spaces(line);
3266                 if (strlen(p) == 0)
3267                         continue;
3268                 if (*p != '#')
3269                         continue;
3270                 p++;
3271                 if (strlen(p) && *p == '!')
3272                         continue;
3273
3274                 p = skip_spaces(p);
3275                 if (strlen(p) && p[strlen(p) - 1] == '\n')
3276                         p[strlen(p) - 1] = '\0';
3277
3278                 if (!strncmp(p, "description:", strlen("description:"))) {
3279                         p += strlen("description:");
3280                         desc->half_liner = strdup(skip_spaces(p));
3281                         continue;
3282                 }
3283
3284                 if (!strncmp(p, "args:", strlen("args:"))) {
3285                         p += strlen("args:");
3286                         desc->args = strdup(skip_spaces(p));
3287                         continue;
3288                 }
3289         }
3290
3291         fclose(fp);
3292
3293         return 0;
3294 }
3295
3296 static char *get_script_root(struct dirent *script_dirent, const char *suffix)
3297 {
3298         char *script_root, *str;
3299
3300         script_root = strdup(script_dirent->d_name);
3301         if (!script_root)
3302                 return NULL;
3303
3304         str = (char *)ends_with(script_root, suffix);
3305         if (!str) {
3306                 free(script_root);
3307                 return NULL;
3308         }
3309
3310         *str = '\0';
3311         return script_root;
3312 }
3313
3314 static int list_available_scripts(const struct option *opt __maybe_unused,
3315                                   const char *s __maybe_unused,
3316                                   int unset __maybe_unused)
3317 {
3318         struct dirent *script_dirent, *lang_dirent;
3319         char scripts_path[MAXPATHLEN];
3320         DIR *scripts_dir, *lang_dir;
3321         char script_path[MAXPATHLEN];
3322         char lang_path[MAXPATHLEN];
3323         struct script_desc *desc;
3324         char first_half[BUFSIZ];
3325         char *script_root;
3326
3327         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3328
3329         scripts_dir = opendir(scripts_path);
3330         if (!scripts_dir) {
3331                 fprintf(stdout,
3332                         "open(%s) failed.\n"
3333                         "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
3334                         scripts_path);
3335                 exit(-1);
3336         }
3337
3338         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3339                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3340                           lang_dirent->d_name);
3341                 lang_dir = opendir(lang_path);
3342                 if (!lang_dir)
3343                         continue;
3344
3345                 for_each_script(lang_path, lang_dir, script_dirent) {
3346                         script_root = get_script_root(script_dirent, REPORT_SUFFIX);
3347                         if (script_root) {
3348                                 desc = script_desc__findnew(script_root);
3349                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3350                                           lang_path, script_dirent->d_name);
3351                                 read_script_info(desc, script_path);
3352                                 free(script_root);
3353                         }
3354                 }
3355         }
3356
3357         fprintf(stdout, "List of available trace scripts:\n");
3358         list_for_each_entry(desc, &script_descs, node) {
3359                 sprintf(first_half, "%s %s", desc->name,
3360                         desc->args ? desc->args : "");
3361                 fprintf(stdout, "  %-36s %s\n", first_half,
3362                         desc->half_liner ? desc->half_liner : "");
3363         }
3364
3365         exit(0);
3366 }
3367
3368 static int add_dlarg(const struct option *opt __maybe_unused,
3369                      const char *s, int unset __maybe_unused)
3370 {
3371         char *arg = strdup(s);
3372         void *a;
3373
3374         if (!arg)
3375                 return -1;
3376
3377         a = realloc(dlargv, sizeof(dlargv[0]) * (dlargc + 1));
3378         if (!a) {
3379                 free(arg);
3380                 return -1;
3381         }
3382
3383         dlargv = a;
3384         dlargv[dlargc++] = arg;
3385
3386         return 0;
3387 }
3388
3389 static void free_dlarg(void)
3390 {
3391         while (dlargc--)
3392                 free(dlargv[dlargc]);
3393         free(dlargv);
3394 }
3395
3396 /*
3397  * Some scripts specify the required events in their "xxx-record" file,
3398  * this function will check if the events in perf.data match those
3399  * mentioned in the "xxx-record".
3400  *
3401  * Fixme: All existing "xxx-record" are all in good formats "-e event ",
3402  * which is covered well now. And new parsing code should be added to
3403  * cover the future complex formats like event groups etc.
3404  */
3405 static int check_ev_match(char *dir_name, char *scriptname,
3406                         struct perf_session *session)
3407 {
3408         char filename[MAXPATHLEN], evname[128];
3409         char line[BUFSIZ], *p;
3410         struct evsel *pos;
3411         int match, len;
3412         FILE *fp;
3413
3414         scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
3415
3416         fp = fopen(filename, "r");
3417         if (!fp)
3418                 return -1;
3419
3420         while (fgets(line, sizeof(line), fp)) {
3421                 p = skip_spaces(line);
3422                 if (*p == '#')
3423                         continue;
3424
3425                 while (strlen(p)) {
3426                         p = strstr(p, "-e");
3427                         if (!p)
3428                                 break;
3429
3430                         p += 2;
3431                         p = skip_spaces(p);
3432                         len = strcspn(p, " \t");
3433                         if (!len)
3434                                 break;
3435
3436                         snprintf(evname, len + 1, "%s", p);
3437
3438                         match = 0;
3439                         evlist__for_each_entry(session->evlist, pos) {
3440                                 if (!strcmp(evsel__name(pos), evname)) {
3441                                         match = 1;
3442                                         break;
3443                                 }
3444                         }
3445
3446                         if (!match) {
3447                                 fclose(fp);
3448                                 return -1;
3449                         }
3450                 }
3451         }
3452
3453         fclose(fp);
3454         return 0;
3455 }
3456
3457 /*
3458  * Return -1 if none is found, otherwise the actual scripts number.
3459  *
3460  * Currently the only user of this function is the script browser, which
3461  * will list all statically runnable scripts, select one, execute it and
3462  * show the output in a perf browser.
3463  */
3464 int find_scripts(char **scripts_array, char **scripts_path_array, int num,
3465                  int pathlen)
3466 {
3467         struct dirent *script_dirent, *lang_dirent;
3468         char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
3469         DIR *scripts_dir, *lang_dir;
3470         struct perf_session *session;
3471         struct perf_data data = {
3472                 .path = input_name,
3473                 .mode = PERF_DATA_MODE_READ,
3474         };
3475         char *temp;
3476         int i = 0;
3477
3478         session = perf_session__new(&data, NULL);
3479         if (IS_ERR(session))
3480                 return PTR_ERR(session);
3481
3482         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3483
3484         scripts_dir = opendir(scripts_path);
3485         if (!scripts_dir) {
3486                 perf_session__delete(session);
3487                 return -1;
3488         }
3489
3490         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3491                 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
3492                           lang_dirent->d_name);
3493 #ifndef HAVE_LIBPERL_SUPPORT
3494                 if (strstr(lang_path, "perl"))
3495                         continue;
3496 #endif
3497 #ifndef HAVE_LIBPYTHON_SUPPORT
3498                 if (strstr(lang_path, "python"))
3499                         continue;
3500 #endif
3501
3502                 lang_dir = opendir(lang_path);
3503                 if (!lang_dir)
3504                         continue;
3505
3506                 for_each_script(lang_path, lang_dir, script_dirent) {
3507                         /* Skip those real time scripts: xxxtop.p[yl] */
3508                         if (strstr(script_dirent->d_name, "top."))
3509                                 continue;
3510                         if (i >= num)
3511                                 break;
3512                         snprintf(scripts_path_array[i], pathlen, "%s/%s",
3513                                 lang_path,
3514                                 script_dirent->d_name);
3515                         temp = strchr(script_dirent->d_name, '.');
3516                         snprintf(scripts_array[i],
3517                                 (temp - script_dirent->d_name) + 1,
3518                                 "%s", script_dirent->d_name);
3519
3520                         if (check_ev_match(lang_path,
3521                                         scripts_array[i], session))
3522                                 continue;
3523
3524                         i++;
3525                 }
3526                 closedir(lang_dir);
3527         }
3528
3529         closedir(scripts_dir);
3530         perf_session__delete(session);
3531         return i;
3532 }
3533
3534 static char *get_script_path(const char *script_root, const char *suffix)
3535 {
3536         struct dirent *script_dirent, *lang_dirent;
3537         char scripts_path[MAXPATHLEN];
3538         char script_path[MAXPATHLEN];
3539         DIR *scripts_dir, *lang_dir;
3540         char lang_path[MAXPATHLEN];
3541         char *__script_root;
3542
3543         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3544
3545         scripts_dir = opendir(scripts_path);
3546         if (!scripts_dir)
3547                 return NULL;
3548
3549         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3550                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3551                           lang_dirent->d_name);
3552                 lang_dir = opendir(lang_path);
3553                 if (!lang_dir)
3554                         continue;
3555
3556                 for_each_script(lang_path, lang_dir, script_dirent) {
3557                         __script_root = get_script_root(script_dirent, suffix);
3558                         if (__script_root && !strcmp(script_root, __script_root)) {
3559                                 free(__script_root);
3560                                 closedir(scripts_dir);
3561                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3562                                           lang_path, script_dirent->d_name);
3563                                 closedir(lang_dir);
3564                                 return strdup(script_path);
3565                         }
3566                         free(__script_root);
3567                 }
3568                 closedir(lang_dir);
3569         }
3570         closedir(scripts_dir);
3571
3572         return NULL;
3573 }
3574
3575 static bool is_top_script(const char *script_path)
3576 {
3577         return ends_with(script_path, "top") != NULL;
3578 }
3579
3580 static int has_required_arg(char *script_path)
3581 {
3582         struct script_desc *desc;
3583         int n_args = 0;
3584         char *p;
3585
3586         desc = script_desc__new(NULL);
3587
3588         if (read_script_info(desc, script_path))
3589                 goto out;
3590
3591         if (!desc->args)
3592                 goto out;
3593
3594         for (p = desc->args; *p; p++)
3595                 if (*p == '<')
3596                         n_args++;
3597 out:
3598         script_desc__delete(desc);
3599
3600         return n_args;
3601 }
3602
3603 static int have_cmd(int argc, const char **argv)
3604 {
3605         char **__argv = malloc(sizeof(const char *) * argc);
3606
3607         if (!__argv) {
3608                 pr_err("malloc failed\n");
3609                 return -1;
3610         }
3611
3612         memcpy(__argv, argv, sizeof(const char *) * argc);
3613         argc = parse_options(argc, (const char **)__argv, record_options,
3614                              NULL, PARSE_OPT_STOP_AT_NON_OPTION);
3615         free(__argv);
3616
3617         system_wide = (argc == 0);
3618
3619         return 0;
3620 }
3621
3622 static void script__setup_sample_type(struct perf_script *script)
3623 {
3624         struct perf_session *session = script->session;
3625         u64 sample_type = evlist__combined_sample_type(session->evlist);
3626
3627         callchain_param_setup(sample_type, perf_env__arch(session->machines.host.env));
3628
3629         if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) {
3630                 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
3631                            "Please apply --call-graph lbr when recording.\n");
3632                 script->stitch_lbr = false;
3633         }
3634 }
3635
3636 static int process_stat_round_event(struct perf_session *session,
3637                                     union perf_event *event)
3638 {
3639         struct perf_record_stat_round *round = &event->stat_round;
3640         struct evsel *counter;
3641
3642         evlist__for_each_entry(session->evlist, counter) {
3643                 perf_stat_process_counter(&stat_config, counter);
3644                 process_stat(counter, round->time);
3645         }
3646
3647         process_stat_interval(round->time);
3648         return 0;
3649 }
3650
3651 static int process_stat_config_event(struct perf_session *session __maybe_unused,
3652                                      union perf_event *event)
3653 {
3654         perf_event__read_stat_config(&stat_config, &event->stat_config);
3655         return 0;
3656 }
3657
3658 static int set_maps(struct perf_script *script)
3659 {
3660         struct evlist *evlist = script->session->evlist;
3661
3662         if (!script->cpus || !script->threads)
3663                 return 0;
3664
3665         if (WARN_ONCE(script->allocated, "stats double allocation\n"))
3666                 return -EINVAL;
3667
3668         perf_evlist__set_maps(&evlist->core, script->cpus, script->threads);
3669
3670         if (evlist__alloc_stats(&stat_config, evlist, /*alloc_raw=*/true))
3671                 return -ENOMEM;
3672
3673         script->allocated = true;
3674         return 0;
3675 }
3676
3677 static
3678 int process_thread_map_event(struct perf_session *session,
3679                              union perf_event *event)
3680 {
3681         struct perf_tool *tool = session->tool;
3682         struct perf_script *script = container_of(tool, struct perf_script, tool);
3683
3684         if (dump_trace)
3685                 perf_event__fprintf_thread_map(event, stdout);
3686
3687         if (script->threads) {
3688                 pr_warning("Extra thread map event, ignoring.\n");
3689                 return 0;
3690         }
3691
3692         script->threads = thread_map__new_event(&event->thread_map);
3693         if (!script->threads)
3694                 return -ENOMEM;
3695
3696         return set_maps(script);
3697 }
3698
3699 static
3700 int process_cpu_map_event(struct perf_session *session,
3701                           union perf_event *event)
3702 {
3703         struct perf_tool *tool = session->tool;
3704         struct perf_script *script = container_of(tool, struct perf_script, tool);
3705
3706         if (dump_trace)
3707                 perf_event__fprintf_cpu_map(event, stdout);
3708
3709         if (script->cpus) {
3710                 pr_warning("Extra cpu map event, ignoring.\n");
3711                 return 0;
3712         }
3713
3714         script->cpus = cpu_map__new_data(&event->cpu_map.data);
3715         if (!script->cpus)
3716                 return -ENOMEM;
3717
3718         return set_maps(script);
3719 }
3720
3721 static int process_feature_event(struct perf_session *session,
3722                                  union perf_event *event)
3723 {
3724         if (event->feat.feat_id < HEADER_LAST_FEATURE)
3725                 return perf_event__process_feature(session, event);
3726         return 0;
3727 }
3728
3729 #ifdef HAVE_AUXTRACE_SUPPORT
3730 static int perf_script__process_auxtrace_info(struct perf_session *session,
3731                                               union perf_event *event)
3732 {
3733         struct perf_tool *tool = session->tool;
3734
3735         int ret = perf_event__process_auxtrace_info(session, event);
3736
3737         if (ret == 0) {
3738                 struct perf_script *script = container_of(tool, struct perf_script, tool);
3739
3740                 ret = perf_script__setup_per_event_dump(script);
3741         }
3742
3743         return ret;
3744 }
3745 #else
3746 #define perf_script__process_auxtrace_info 0
3747 #endif
3748
3749 static int parse_insn_trace(const struct option *opt __maybe_unused,
3750                             const char *str __maybe_unused,
3751                             int unset __maybe_unused)
3752 {
3753         parse_output_fields(NULL, "+insn,-event,-period", 0);
3754         itrace_parse_synth_opts(opt, "i0ns", 0);
3755         symbol_conf.nanosecs = true;
3756         return 0;
3757 }
3758
3759 static int parse_xed(const struct option *opt __maybe_unused,
3760                      const char *str __maybe_unused,
3761                      int unset __maybe_unused)
3762 {
3763         if (isatty(1))
3764                 force_pager("xed -F insn: -A -64 | less");
3765         else
3766                 force_pager("xed -F insn: -A -64");
3767         return 0;
3768 }
3769
3770 static int parse_call_trace(const struct option *opt __maybe_unused,
3771                             const char *str __maybe_unused,
3772                             int unset __maybe_unused)
3773 {
3774         parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
3775         itrace_parse_synth_opts(opt, "cewp", 0);
3776         symbol_conf.nanosecs = true;
3777         symbol_conf.pad_output_len_dso = 50;
3778         return 0;
3779 }
3780
3781 static int parse_callret_trace(const struct option *opt __maybe_unused,
3782                             const char *str __maybe_unused,
3783                             int unset __maybe_unused)
3784 {
3785         parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
3786         itrace_parse_synth_opts(opt, "crewp", 0);
3787         symbol_conf.nanosecs = true;
3788         return 0;
3789 }
3790
3791 int cmd_script(int argc, const char **argv)
3792 {
3793         bool show_full_info = false;
3794         bool header = false;
3795         bool header_only = false;
3796         bool script_started = false;
3797         bool unsorted_dump = false;
3798         char *rec_script_path = NULL;
3799         char *rep_script_path = NULL;
3800         struct perf_session *session;
3801         struct itrace_synth_opts itrace_synth_opts = {
3802                 .set = false,
3803                 .default_no_sample = true,
3804         };
3805         struct utsname uts;
3806         char *script_path = NULL;
3807         const char *dlfilter_file = NULL;
3808         const char **__argv;
3809         int i, j, err = 0;
3810         struct perf_script script = {
3811                 .tool = {
3812                         .sample          = process_sample_event,
3813                         .mmap            = perf_event__process_mmap,
3814                         .mmap2           = perf_event__process_mmap2,
3815                         .comm            = perf_event__process_comm,
3816                         .namespaces      = perf_event__process_namespaces,
3817                         .cgroup          = perf_event__process_cgroup,
3818                         .exit            = perf_event__process_exit,
3819                         .fork            = perf_event__process_fork,
3820                         .attr            = process_attr,
3821                         .event_update   = perf_event__process_event_update,
3822 #ifdef HAVE_LIBTRACEEVENT
3823                         .tracing_data    = perf_event__process_tracing_data,
3824 #endif
3825                         .feature         = process_feature_event,
3826                         .build_id        = perf_event__process_build_id,
3827                         .id_index        = perf_event__process_id_index,
3828                         .auxtrace_info   = perf_script__process_auxtrace_info,
3829                         .auxtrace        = perf_event__process_auxtrace,
3830                         .auxtrace_error  = perf_event__process_auxtrace_error,
3831                         .stat            = perf_event__process_stat_event,
3832                         .stat_round      = process_stat_round_event,
3833                         .stat_config     = process_stat_config_event,
3834                         .thread_map      = process_thread_map_event,
3835                         .cpu_map         = process_cpu_map_event,
3836                         .throttle        = process_throttle_event,
3837                         .unthrottle      = process_throttle_event,
3838                         .ordered_events  = true,
3839                         .ordering_requires_timestamps = true,
3840                 },
3841         };
3842         struct perf_data data = {
3843                 .mode = PERF_DATA_MODE_READ,
3844         };
3845         const struct option options[] = {
3846         OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3847                     "dump raw trace in ASCII"),
3848         OPT_BOOLEAN(0, "dump-unsorted-raw-trace", &unsorted_dump,
3849                     "dump unsorted raw trace in ASCII"),
3850         OPT_INCR('v', "verbose", &verbose,
3851                  "be more verbose (show symbol address, etc)"),
3852         OPT_BOOLEAN('L', "Latency", &latency_format,
3853                     "show latency attributes (irqs/preemption disabled, etc)"),
3854         OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3855                            list_available_scripts),
3856         OPT_CALLBACK_NOOPT(0, "list-dlfilters", NULL, NULL, "list available dlfilters",
3857                            list_available_dlfilters),
3858         OPT_CALLBACK('s', "script", NULL, "name",
3859                      "script file name (lang:script name, script name, or *)",
3860                      parse_scriptname),
3861         OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3862                    "generate perf-script.xx script in specified language"),
3863         OPT_STRING(0, "dlfilter", &dlfilter_file, "file", "filter .so file name"),
3864         OPT_CALLBACK(0, "dlarg", NULL, "argument", "filter argument",
3865                      add_dlarg),
3866         OPT_STRING('i', "input", &input_name, "file", "input file name"),
3867         OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3868                    "do various checks like samples ordering and lost events"),
3869         OPT_BOOLEAN(0, "header", &header, "Show data header."),
3870         OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3871         OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3872                    "file", "vmlinux pathname"),
3873         OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3874                    "file", "kallsyms pathname"),
3875         OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3876                     "When printing symbols do not display call chain"),
3877         OPT_CALLBACK(0, "symfs", NULL, "directory",
3878                      "Look for files with symbols relative to this directory",
3879                      symbol__config_symfs),
3880         OPT_CALLBACK('F', "fields", NULL, "str",
3881                      "comma separated output fields prepend with 'type:'. "
3882                      "+field to add and -field to remove."
3883                      "Valid types: hw,sw,trace,raw,synth. "
3884                      "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
3885                      "addr,symoff,srcline,period,iregs,uregs,brstack,"
3886                      "brstacksym,flags,data_src,weight,bpf-output,brstackinsn,"
3887                      "brstackinsnlen,brstackoff,callindent,insn,insnlen,synth,"
3888                      "phys_addr,metric,misc,srccode,ipc,tod,data_page_size,"
3889                      "code_page_size,ins_lat,machine_pid,vcpu,cgroup,retire_lat",
3890                      parse_output_fields),
3891         OPT_BOOLEAN('a', "all-cpus", &system_wide,
3892                     "system-wide collection from all CPUs"),
3893         OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
3894                    "only consider symbols in these DSOs"),
3895         OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3896                    "only consider these symbols"),
3897         OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range,
3898                     "Use with -S to list traced records within address range"),
3899         OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL,
3900                         "Decode instructions from itrace", parse_insn_trace),
3901         OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
3902                         "Run xed disassembler on output", parse_xed),
3903         OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
3904                         "Decode calls from itrace", parse_call_trace),
3905         OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
3906                         "Decode calls and returns from itrace", parse_callret_trace),
3907         OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",
3908                         "Only print symbols and callees with --call-trace/--call-ret-trace"),
3909         OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3910                    "Stop display of callgraph at these symbols"),
3911         OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3912         OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3913                    "only display events for these comms"),
3914         OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3915                    "only consider symbols in these pids"),
3916         OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3917                    "only consider symbols in these tids"),
3918         OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3919                      "Set the maximum stack depth when parsing the callchain, "
3920                      "anything beyond the specified depth will be ignored. "
3921                      "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3922         OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"),
3923         OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"),
3924         OPT_BOOLEAN('I', "show-info", &show_full_info,
3925                     "display extended information from perf.data file"),
3926         OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3927                     "Show the path of [kernel.kallsyms]"),
3928         OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3929                     "Show the fork/comm/exit events"),
3930         OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3931                     "Show the mmap events"),
3932         OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3933                     "Show context switch events (if recorded)"),
3934         OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3935                     "Show namespace events (if recorded)"),
3936         OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events,
3937                     "Show cgroup events (if recorded)"),
3938         OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3939                     "Show lost events (if recorded)"),
3940         OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3941                     "Show round events (if recorded)"),
3942         OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events,
3943                     "Show bpf related events (if recorded)"),
3944         OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events,
3945                     "Show text poke related events (if recorded)"),
3946         OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
3947                     "Dump trace output to files named by the monitored events"),
3948         OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3949         OPT_INTEGER(0, "max-blocks", &max_blocks,
3950                     "Maximum number of code blocks to dump with brstackinsn"),
3951         OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs,
3952                     "Use 9 decimal places when displaying time"),
3953         OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
3954                             "Instruction Tracing options\n" ITRACE_HELP,
3955                             itrace_parse_synth_opts),
3956         OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
3957                         "Show full source file name path for source lines"),
3958         OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
3959                         "Enable symbol demangling"),
3960         OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
3961                         "Enable kernel symbol demangling"),
3962         OPT_STRING(0, "time", &script.time_str, "str",
3963                    "Time span of interest (start,stop)"),
3964         OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
3965                     "Show inline function"),
3966         OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
3967                    "guest mount directory under which every guest os"
3968                    " instance has a subdir"),
3969         OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name,
3970                    "file", "file saving guest os vmlinux"),
3971         OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms,
3972                    "file", "file saving guest os /proc/kallsyms"),
3973         OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
3974                    "file", "file saving guest os /proc/modules"),
3975         OPT_BOOLEAN(0, "guest-code", &symbol_conf.guest_code,
3976                     "Guest code can be found in hypervisor process"),
3977         OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr,
3978                     "Enable LBR callgraph stitching approach"),
3979         OPTS_EVSWITCH(&script.evswitch),
3980         OPT_END()
3981         };
3982         const char * const script_subcommands[] = { "record", "report", NULL };
3983         const char *script_usage[] = {
3984                 "perf script [<options>]",
3985                 "perf script [<options>] record <script> [<record-options>] <command>",
3986                 "perf script [<options>] report <script> [script-args]",
3987                 "perf script [<options>] <script> [<record-options>] <command>",
3988                 "perf script [<options>] <top-script> [script-args]",
3989                 NULL
3990         };
3991
3992         perf_set_singlethreaded();
3993
3994         setup_scripting();
3995
3996         argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3997                              PARSE_OPT_STOP_AT_NON_OPTION);
3998
3999         if (symbol_conf.guestmount ||
4000             symbol_conf.default_guest_vmlinux_name ||
4001             symbol_conf.default_guest_kallsyms ||
4002             symbol_conf.default_guest_modules ||
4003             symbol_conf.guest_code) {
4004                 /*
4005                  * Enable guest sample processing.
4006                  */
4007                 perf_guest = true;
4008         }
4009
4010         data.path  = input_name;
4011         data.force = symbol_conf.force;
4012
4013         if (unsorted_dump) {
4014                 dump_trace = true;
4015                 script.tool.ordered_events = false;
4016         }
4017
4018         if (symbol__validate_sym_arguments())
4019                 return -1;
4020
4021         if (argc > 1 && strlen(argv[0]) > 2 && strstarts("record", argv[0])) {
4022                 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
4023                 if (!rec_script_path)
4024                         return cmd_record(argc, argv);
4025         }
4026
4027         if (argc > 1 && strlen(argv[0]) > 2 && strstarts("report", argv[0])) {
4028                 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
4029                 if (!rep_script_path) {
4030                         fprintf(stderr,
4031                                 "Please specify a valid report script"
4032                                 "(see 'perf script -l' for listing)\n");
4033                         return -1;
4034                 }
4035         }
4036
4037         if (reltime && deltatime) {
4038                 fprintf(stderr,
4039                         "reltime and deltatime - the two don't get along well. "
4040                         "Please limit to --reltime or --deltatime.\n");
4041                 return -1;
4042         }
4043
4044         if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) &&
4045             itrace_synth_opts.callchain_sz > scripting_max_stack)
4046                 scripting_max_stack = itrace_synth_opts.callchain_sz;
4047
4048         /* make sure PERF_EXEC_PATH is set for scripts */
4049         set_argv_exec_path(get_argv_exec_path());
4050
4051         if (argc && !script_name && !rec_script_path && !rep_script_path) {
4052                 int live_pipe[2];
4053                 int rep_args;
4054                 pid_t pid;
4055
4056                 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
4057                 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
4058
4059                 if (!rec_script_path && !rep_script_path) {
4060                         script_name = find_script(argv[0]);
4061                         if (script_name) {
4062                                 argc -= 1;
4063                                 argv += 1;
4064                                 goto script_found;
4065                         }
4066                         usage_with_options_msg(script_usage, options,
4067                                 "Couldn't find script `%s'\n\n See perf"
4068                                 " script -l for available scripts.\n", argv[0]);
4069                 }
4070
4071                 if (is_top_script(argv[0])) {
4072                         rep_args = argc - 1;
4073                 } else {
4074                         int rec_args;
4075
4076                         rep_args = has_required_arg(rep_script_path);
4077                         rec_args = (argc - 1) - rep_args;
4078                         if (rec_args < 0) {
4079                                 usage_with_options_msg(script_usage, options,
4080                                         "`%s' script requires options."
4081                                         "\n\n See perf script -l for available "
4082                                         "scripts and options.\n", argv[0]);
4083                         }
4084                 }
4085
4086                 if (pipe(live_pipe) < 0) {
4087                         perror("failed to create pipe");
4088                         return -1;
4089                 }
4090
4091                 pid = fork();
4092                 if (pid < 0) {
4093                         perror("failed to fork");
4094                         return -1;
4095                 }
4096
4097                 if (!pid) {
4098                         j = 0;
4099
4100                         dup2(live_pipe[1], 1);
4101                         close(live_pipe[0]);
4102
4103                         if (is_top_script(argv[0])) {
4104                                 system_wide = true;
4105                         } else if (!system_wide) {
4106                                 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
4107                                         err = -1;
4108                                         goto out;
4109                                 }
4110                         }
4111
4112                         __argv = malloc((argc + 6) * sizeof(const char *));
4113                         if (!__argv) {
4114                                 pr_err("malloc failed\n");
4115                                 err = -ENOMEM;
4116                                 goto out;
4117                         }
4118
4119                         __argv[j++] = "/bin/sh";
4120                         __argv[j++] = rec_script_path;
4121                         if (system_wide)
4122                                 __argv[j++] = "-a";
4123                         __argv[j++] = "-q";
4124                         __argv[j++] = "-o";
4125                         __argv[j++] = "-";
4126                         for (i = rep_args + 1; i < argc; i++)
4127                                 __argv[j++] = argv[i];
4128                         __argv[j++] = NULL;
4129
4130                         execvp("/bin/sh", (char **)__argv);
4131                         free(__argv);
4132                         exit(-1);
4133                 }
4134
4135                 dup2(live_pipe[0], 0);
4136                 close(live_pipe[1]);
4137
4138                 __argv = malloc((argc + 4) * sizeof(const char *));
4139                 if (!__argv) {
4140                         pr_err("malloc failed\n");
4141                         err = -ENOMEM;
4142                         goto out;
4143                 }
4144
4145                 j = 0;
4146                 __argv[j++] = "/bin/sh";
4147                 __argv[j++] = rep_script_path;
4148                 for (i = 1; i < rep_args + 1; i++)
4149                         __argv[j++] = argv[i];
4150                 __argv[j++] = "-i";
4151                 __argv[j++] = "-";
4152                 __argv[j++] = NULL;
4153
4154                 execvp("/bin/sh", (char **)__argv);
4155                 free(__argv);
4156                 exit(-1);
4157         }
4158 script_found:
4159         if (rec_script_path)
4160                 script_path = rec_script_path;
4161         if (rep_script_path)
4162                 script_path = rep_script_path;
4163
4164         if (script_path) {
4165                 j = 0;
4166
4167                 if (!rec_script_path)
4168                         system_wide = false;
4169                 else if (!system_wide) {
4170                         if (have_cmd(argc - 1, &argv[1]) != 0) {
4171                                 err = -1;
4172                                 goto out;
4173                         }
4174                 }
4175
4176                 __argv = malloc((argc + 2) * sizeof(const char *));
4177                 if (!__argv) {
4178                         pr_err("malloc failed\n");
4179                         err = -ENOMEM;
4180                         goto out;
4181                 }
4182
4183                 __argv[j++] = "/bin/sh";
4184                 __argv[j++] = script_path;
4185                 if (system_wide)
4186                         __argv[j++] = "-a";
4187                 for (i = 2; i < argc; i++)
4188                         __argv[j++] = argv[i];
4189                 __argv[j++] = NULL;
4190
4191                 execvp("/bin/sh", (char **)__argv);
4192                 free(__argv);
4193                 exit(-1);
4194         }
4195
4196         if (dlfilter_file) {
4197                 dlfilter = dlfilter__new(dlfilter_file, dlargc, dlargv);
4198                 if (!dlfilter)
4199                         return -1;
4200         }
4201
4202         if (!script_name) {
4203                 setup_pager();
4204                 use_browser = 0;
4205         }
4206
4207         session = perf_session__new(&data, &script.tool);
4208         if (IS_ERR(session))
4209                 return PTR_ERR(session);
4210
4211         if (header || header_only) {
4212                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
4213                 perf_session__fprintf_info(session, stdout, show_full_info);
4214                 if (header_only)
4215                         goto out_delete;
4216         }
4217         if (show_full_info)
4218                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
4219
4220         if (symbol__init(&session->header.env) < 0)
4221                 goto out_delete;
4222
4223         uname(&uts);
4224         if (data.is_pipe) { /* Assume pipe_mode indicates native_arch */
4225                 native_arch = true;
4226         } else if (session->header.env.arch) {
4227                 if (!strcmp(uts.machine, session->header.env.arch))
4228                         native_arch = true;
4229                 else if (!strcmp(uts.machine, "x86_64") &&
4230                          !strcmp(session->header.env.arch, "i386"))
4231                         native_arch = true;
4232         }
4233
4234         script.session = session;
4235         script__setup_sample_type(&script);
4236
4237         if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) ||
4238             symbol_conf.graph_function)
4239                 itrace_synth_opts.thread_stack = true;
4240
4241         session->itrace_synth_opts = &itrace_synth_opts;
4242
4243         if (cpu_list) {
4244                 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
4245                 if (err < 0)
4246                         goto out_delete;
4247                 itrace_synth_opts.cpu_bitmap = cpu_bitmap;
4248         }
4249
4250         if (!no_callchain)
4251                 symbol_conf.use_callchain = true;
4252         else
4253                 symbol_conf.use_callchain = false;
4254
4255 #ifdef HAVE_LIBTRACEEVENT
4256         if (session->tevent.pevent &&
4257             tep_set_function_resolver(session->tevent.pevent,
4258                                       machine__resolve_kernel_addr,
4259                                       &session->machines.host) < 0) {
4260                 pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
4261                 err = -1;
4262                 goto out_delete;
4263         }
4264 #endif
4265         if (generate_script_lang) {
4266                 struct stat perf_stat;
4267                 int input;
4268
4269                 if (output_set_by_user()) {
4270                         fprintf(stderr,
4271                                 "custom fields not supported for generated scripts");
4272                         err = -EINVAL;
4273                         goto out_delete;
4274                 }
4275
4276                 input = open(data.path, O_RDONLY);      /* input_name */
4277                 if (input < 0) {
4278                         err = -errno;
4279                         perror("failed to open file");
4280                         goto out_delete;
4281                 }
4282
4283                 err = fstat(input, &perf_stat);
4284                 if (err < 0) {
4285                         perror("failed to stat file");
4286                         goto out_delete;
4287                 }
4288
4289                 if (!perf_stat.st_size) {
4290                         fprintf(stderr, "zero-sized file, nothing to do!\n");
4291                         goto out_delete;
4292                 }
4293
4294                 scripting_ops = script_spec__lookup(generate_script_lang);
4295                 if (!scripting_ops) {
4296                         fprintf(stderr, "invalid language specifier");
4297                         err = -ENOENT;
4298                         goto out_delete;
4299                 }
4300 #ifdef HAVE_LIBTRACEEVENT
4301                 err = scripting_ops->generate_script(session->tevent.pevent,
4302                                                      "perf-script");
4303 #else
4304                 err = scripting_ops->generate_script(NULL, "perf-script");
4305 #endif
4306                 goto out_delete;
4307         }
4308
4309         err = dlfilter__start(dlfilter, session);
4310         if (err)
4311                 goto out_delete;
4312
4313         if (script_name) {
4314                 err = scripting_ops->start_script(script_name, argc, argv, session);
4315                 if (err)
4316                         goto out_delete;
4317                 pr_debug("perf script started with script %s\n\n", script_name);
4318                 script_started = true;
4319         }
4320
4321
4322         err = perf_session__check_output_opt(session);
4323         if (err < 0)
4324                 goto out_delete;
4325
4326         if (script.time_str) {
4327                 err = perf_time__parse_for_ranges_reltime(script.time_str, session,
4328                                                   &script.ptime_range,
4329                                                   &script.range_size,
4330                                                   &script.range_num,
4331                                                   reltime);
4332                 if (err < 0)
4333                         goto out_delete;
4334
4335                 itrace_synth_opts__set_time_range(&itrace_synth_opts,
4336                                                   script.ptime_range,
4337                                                   script.range_num);
4338         }
4339
4340         err = evswitch__init(&script.evswitch, session->evlist, stderr);
4341         if (err)
4342                 goto out_delete;
4343
4344         if (zstd_init(&(session->zstd_data), 0) < 0)
4345                 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n");
4346
4347         err = __cmd_script(&script);
4348
4349         flush_scripting();
4350
4351 out_delete:
4352         if (script.ptime_range) {
4353                 itrace_synth_opts__clear_time_range(&itrace_synth_opts);
4354                 zfree(&script.ptime_range);
4355         }
4356
4357         zstd_fini(&(session->zstd_data));
4358         evlist__free_stats(session->evlist);
4359         perf_session__delete(session);
4360         perf_script__exit(&script);
4361
4362         if (script_started)
4363                 cleanup_scripting();
4364         dlfilter__cleanup(dlfilter);
4365         free_dlarg();
4366 out:
4367         return err;
4368 }