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