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 "ui/ui.h"
  34 #include "print_binary.h"
  35 #include "archinsn.h"
  36 #include <linux/bitmap.h>
  37 #include <linux/kernel.h>
  38 #include <linux/stringify.h>
  39 #include <linux/time64.h>
  40 #include <linux/zalloc.h>
  41 #include <sys/utsname.h>
  42 #include "asm/bug.h"
  43 #include "util/mem-events.h"
  44 #include "util/dump-insn.h"
  45 #include <dirent.h>
  46 #include <errno.h>
  47 #include <inttypes.h>
  48 #include <signal.h>
  49 #include <sys/param.h>
  50 #include <sys/types.h>
  51 #include <sys/stat.h>
  52 #include <fcntl.h>
  53 #include <unistd.h>
  54 #include <subcmd/pager.h>
  55 #include <perf/evlist.h>
  56 #include <linux/err.h>
  57 #include "util/record.h"
  58 #include "util/util.h"
  59 #include "perf.h"
  60
  61 #include <linux/ctype.h>
  62
  63 static char const               *script_name;
  64 static char const               *generate_script_lang;
  65 static bool                     reltime;
  66 static bool                     deltatime;
  67 static u64                      initial_time;
  68 static u64                      previous_time;
  69 static bool                     debug_mode;
  70 static u64                      last_timestamp;
  71 static u64                      nr_unordered;
  72 static bool                     no_callchain;
  73 static bool                     latency_format;
  74 static bool                     system_wide;
  75 static bool                     print_flags;
  76 static const char               *cpu_list;
  77 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
  78 static struct perf_stat_config  stat_config;
  79 static int                      max_blocks;
  80 static bool                     native_arch;
  81
  82 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
  83
  84 enum perf_output_field {
  85         PERF_OUTPUT_COMM            = 1U << 0,
  86         PERF_OUTPUT_TID             = 1U << 1,
  87         PERF_OUTPUT_PID             = 1U << 2,
  88         PERF_OUTPUT_TIME            = 1U << 3,
  89         PERF_OUTPUT_CPU             = 1U << 4,
  90         PERF_OUTPUT_EVNAME          = 1U << 5,
  91         PERF_OUTPUT_TRACE           = 1U << 6,
  92         PERF_OUTPUT_IP              = 1U << 7,
  93         PERF_OUTPUT_SYM             = 1U << 8,
  94         PERF_OUTPUT_DSO             = 1U << 9,
  95         PERF_OUTPUT_ADDR            = 1U << 10,
  96         PERF_OUTPUT_SYMOFFSET       = 1U << 11,
  97         PERF_OUTPUT_SRCLINE         = 1U << 12,
  98         PERF_OUTPUT_PERIOD          = 1U << 13,
  99         PERF_OUTPUT_IREGS           = 1U << 14,
 100         PERF_OUTPUT_BRSTACK         = 1U << 15,
 101         PERF_OUTPUT_BRSTACKSYM      = 1U << 16,
 102         PERF_OUTPUT_DATA_SRC        = 1U << 17,
 103         PERF_OUTPUT_WEIGHT          = 1U << 18,
 104         PERF_OUTPUT_BPF_OUTPUT      = 1U << 19,
 105         PERF_OUTPUT_CALLINDENT      = 1U << 20,
 106         PERF_OUTPUT_INSN            = 1U << 21,
 107         PERF_OUTPUT_INSNLEN         = 1U << 22,
 108         PERF_OUTPUT_BRSTACKINSN     = 1U << 23,
 109         PERF_OUTPUT_BRSTACKOFF      = 1U << 24,
 110         PERF_OUTPUT_SYNTH           = 1U << 25,
 111         PERF_OUTPUT_PHYS_ADDR       = 1U << 26,
 112         PERF_OUTPUT_UREGS           = 1U << 27,
 113         PERF_OUTPUT_METRIC          = 1U << 28,
 114         PERF_OUTPUT_MISC            = 1U << 29,
 115         PERF_OUTPUT_SRCCODE         = 1U << 30,
 116         PERF_OUTPUT_IPC             = 1U << 31,
 117 };
 118
 119 struct output_option {
 120         const char *str;
 121         enum perf_output_field field;
 122 } all_output_options[] = {
 123         {.str = "comm",  .field = PERF_OUTPUT_COMM},
 124         {.str = "tid",   .field = PERF_OUTPUT_TID},
 125         {.str = "pid",   .field = PERF_OUTPUT_PID},
 126         {.str = "time",  .field = PERF_OUTPUT_TIME},
 127         {.str = "cpu",   .field = PERF_OUTPUT_CPU},
 128         {.str = "event", .field = PERF_OUTPUT_EVNAME},
 129         {.str = "trace", .field = PERF_OUTPUT_TRACE},
 130         {.str = "ip",    .field = PERF_OUTPUT_IP},
 131         {.str = "sym",   .field = PERF_OUTPUT_SYM},
 132         {.str = "dso",   .field = PERF_OUTPUT_DSO},
 133         {.str = "addr",  .field = PERF_OUTPUT_ADDR},
 134         {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
 135         {.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
 136         {.str = "period", .field = PERF_OUTPUT_PERIOD},
 137         {.str = "iregs", .field = PERF_OUTPUT_IREGS},
 138         {.str = "uregs", .field = PERF_OUTPUT_UREGS},
 139         {.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
 140         {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
 141         {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
 142         {.str = "weight",   .field = PERF_OUTPUT_WEIGHT},
 143         {.str = "bpf-output",   .field = PERF_OUTPUT_BPF_OUTPUT},
 144         {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
 145         {.str = "insn", .field = PERF_OUTPUT_INSN},
 146         {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
 147         {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
 148         {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
 149         {.str = "synth", .field = PERF_OUTPUT_SYNTH},
 150         {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
 151         {.str = "metric", .field = PERF_OUTPUT_METRIC},
 152         {.str = "misc", .field = PERF_OUTPUT_MISC},
 153         {.str = "srccode", .field = PERF_OUTPUT_SRCCODE},
 154         {.str = "ipc", .field = PERF_OUTPUT_IPC},
 155 };
 156
 157 enum {
 158         OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
 159         OUTPUT_TYPE_MAX
 160 };
 161
 162 /* default set to maintain compatibility with current format */
 163 static struct {
 164         bool user_set;
 165         bool wildcard_set;
 166         unsigned int print_ip_opts;
 167         u64 fields;
 168         u64 invalid_fields;
 169         u64 user_set_fields;
 170         u64 user_unset_fields;
 171 } output[OUTPUT_TYPE_MAX] = {
 172
 173         [PERF_TYPE_HARDWARE] = {
 174                 .user_set = false,
 175
 176                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 177                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 178                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 179                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 180                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 181
 182                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 183         },
 184
 185         [PERF_TYPE_SOFTWARE] = {
 186                 .user_set = false,
 187
 188                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 189                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 190                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 191                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 192                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
 193                               PERF_OUTPUT_BPF_OUTPUT,
 194
 195                 .invalid_fields = PERF_OUTPUT_TRACE,
 196         },
 197
 198         [PERF_TYPE_TRACEPOINT] = {
 199                 .user_set = false,
 200
 201                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 202                                   PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 203                                   PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
 204         },
 205
 206         [PERF_TYPE_HW_CACHE] = {
 207                 .user_set = false,
 208
 209                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 210                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 211                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 212                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 213                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 214
 215                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 216         },
 217
 218         [PERF_TYPE_RAW] = {
 219                 .user_set = false,
 220
 221                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 222                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 223                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 224                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 225                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
 226                               PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
 227                               PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR,
 228
 229                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 230         },
 231
 232         [PERF_TYPE_BREAKPOINT] = {
 233                 .user_set = false,
 234
 235                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 236                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 237                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 238                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 239                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 240
 241                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 242         },
 243
 244         [OUTPUT_TYPE_SYNTH] = {
 245                 .user_set = false,
 246
 247                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 248                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 249                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 250                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 251                               PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH,
 252
 253                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 254         },
 255 };
 256
 257 struct evsel_script {
 258        char *filename;
 259        FILE *fp;
 260        u64  samples;
 261        /* For metric output */
 262        u64  val;
 263        int  gnum;
 264 };
 265
 266 static inline struct evsel_script *evsel_script(struct evsel *evsel)
 267 {
 268         return (struct evsel_script *)evsel->priv;
 269 }
 270
 271 static struct evsel_script *perf_evsel_script__new(struct evsel *evsel,
 272                                                         struct perf_data *data)
 273 {
 274         struct evsel_script *es = zalloc(sizeof(*es));
 275
 276         if (es != NULL) {
 277                 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0)
 278                         goto out_free;
 279                 es->fp = fopen(es->filename, "w");
 280                 if (es->fp == NULL)
 281                         goto out_free_filename;
 282         }
 283
 284         return es;
 285 out_free_filename:
 286         zfree(&es->filename);
 287 out_free:
 288         free(es);
 289         return NULL;
 290 }
 291
 292 static void perf_evsel_script__delete(struct evsel_script *es)
 293 {
 294         zfree(&es->filename);
 295         fclose(es->fp);
 296         es->fp = NULL;
 297         free(es);
 298 }
 299
 300 static int perf_evsel_script__fprintf(struct evsel_script *es, FILE *fp)
 301 {
 302         struct stat st;
 303
 304         fstat(fileno(es->fp), &st);
 305         return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
 306                        st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
 307 }
 308
 309 static inline int output_type(unsigned int type)
 310 {
 311         switch (type) {
 312         case PERF_TYPE_SYNTH:
 313                 return OUTPUT_TYPE_SYNTH;
 314         default:
 315                 return type;
 316         }
 317 }
 318
 319 static inline unsigned int attr_type(unsigned int type)
 320 {
 321         switch (type) {
 322         case OUTPUT_TYPE_SYNTH:
 323                 return PERF_TYPE_SYNTH;
 324         default:
 325                 return type;
 326         }
 327 }
 328
 329 static bool output_set_by_user(void)
 330 {
 331         int j;
 332         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 333                 if (output[j].user_set)
 334                         return true;
 335         }
 336         return false;
 337 }
 338
 339 static const char *output_field2str(enum perf_output_field field)
 340 {
 341         int i, imax = ARRAY_SIZE(all_output_options);
 342         const char *str = "";
 343
 344         for (i = 0; i < imax; ++i) {
 345                 if (all_output_options[i].field == field) {
 346                         str = all_output_options[i].str;
 347                         break;
 348                 }
 349         }
 350         return str;
 351 }
 352
 353 #define PRINT_FIELD(x)  (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
 354
 355 static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
 356                                  enum perf_output_field field, bool allow_user_set)
 357 {
 358         struct perf_event_attr *attr = &evsel->core.attr;
 359         int type = output_type(attr->type);
 360         const char *evname;
 361
 362         if (attr->sample_type & sample_type)
 363                 return 0;
 364
 365         if (output[type].user_set_fields & field) {
 366                 if (allow_user_set)
 367                         return 0;
 368                 evname = evsel__name(evsel);
 369                 pr_err("Samples for '%s' event do not have %s attribute set. "
 370                        "Cannot print '%s' field.\n",
 371                        evname, sample_msg, output_field2str(field));
 372                 return -1;
 373         }
 374
 375         /* user did not ask for it explicitly so remove from the default list */
 376         output[type].fields &= ~field;
 377         evname = evsel__name(evsel);
 378         pr_debug("Samples for '%s' event do not have %s attribute set. "
 379                  "Skipping '%s' field.\n",
 380                  evname, sample_msg, output_field2str(field));
 381
 382         return 0;
 383 }
 384
 385 static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
 386                               enum perf_output_field field)
 387 {
 388         return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false);
 389 }
 390
 391 static int perf_evsel__check_attr(struct evsel *evsel, struct perf_session *session)
 392 {
 393         struct perf_event_attr *attr = &evsel->core.attr;
 394         bool allow_user_set;
 395
 396         if (perf_header__has_feat(&session->header, HEADER_STAT))
 397                 return 0;
 398
 399         allow_user_set = perf_header__has_feat(&session->header,
 400                                                HEADER_AUXTRACE);
 401
 402         if (PRINT_FIELD(TRACE) &&
 403             !perf_session__has_traces(session, "record -R"))
 404                 return -EINVAL;
 405
 406         if (PRINT_FIELD(IP)) {
 407                 if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP))
 408                         return -EINVAL;
 409         }
 410
 411         if (PRINT_FIELD(ADDR) &&
 412             evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set))
 413                 return -EINVAL;
 414
 415         if (PRINT_FIELD(DATA_SRC) &&
 416             evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC))
 417                 return -EINVAL;
 418
 419         if (PRINT_FIELD(WEIGHT) &&
 420             evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT", PERF_OUTPUT_WEIGHT))
 421                 return -EINVAL;
 422
 423         if (PRINT_FIELD(SYM) &&
 424             !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
 425                 pr_err("Display of symbols requested but neither sample IP nor "
 426                            "sample address\navailable. Hence, no addresses to convert "
 427                        "to symbols.\n");
 428                 return -EINVAL;
 429         }
 430         if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
 431                 pr_err("Display of offsets requested but symbol is not"
 432                        "selected.\n");
 433                 return -EINVAL;
 434         }
 435         if (PRINT_FIELD(DSO) &&
 436             !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
 437                 pr_err("Display of DSO requested but no address to convert.\n");
 438                 return -EINVAL;
 439         }
 440         if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) {
 441                 pr_err("Display of source line number requested but sample IP is not\n"
 442                        "selected. Hence, no address to lookup the source line number.\n");
 443                 return -EINVAL;
 444         }
 445         if (PRINT_FIELD(BRSTACKINSN) && !allow_user_set &&
 446             !(perf_evlist__combined_branch_type(session->evlist) &
 447               PERF_SAMPLE_BRANCH_ANY)) {
 448                 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
 449                        "Hint: run 'perf record -b ...'\n");
 450                 return -EINVAL;
 451         }
 452         if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
 453             evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID))
 454                 return -EINVAL;
 455
 456         if (PRINT_FIELD(TIME) &&
 457             evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME))
 458                 return -EINVAL;
 459
 460         if (PRINT_FIELD(CPU) &&
 461             evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set))
 462                 return -EINVAL;
 463
 464         if (PRINT_FIELD(IREGS) &&
 465             evsel__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS))
 466                 return -EINVAL;
 467
 468         if (PRINT_FIELD(UREGS) &&
 469             evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS))
 470                 return -EINVAL;
 471
 472         if (PRINT_FIELD(PHYS_ADDR) &&
 473             evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR))
 474                 return -EINVAL;
 475
 476         return 0;
 477 }
 478
 479 static void set_print_ip_opts(struct perf_event_attr *attr)
 480 {
 481         unsigned int type = output_type(attr->type);
 482
 483         output[type].print_ip_opts = 0;
 484         if (PRINT_FIELD(IP))
 485                 output[type].print_ip_opts |= EVSEL__PRINT_IP;
 486
 487         if (PRINT_FIELD(SYM))
 488                 output[type].print_ip_opts |= EVSEL__PRINT_SYM;
 489
 490         if (PRINT_FIELD(DSO))
 491                 output[type].print_ip_opts |= EVSEL__PRINT_DSO;
 492
 493         if (PRINT_FIELD(SYMOFFSET))
 494                 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
 495
 496         if (PRINT_FIELD(SRCLINE))
 497                 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
 498 }
 499
 500 /*
 501  * verify all user requested events exist and the samples
 502  * have the expected data
 503  */
 504 static int perf_session__check_output_opt(struct perf_session *session)
 505 {
 506         unsigned int j;
 507         struct evsel *evsel;
 508
 509         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 510                 evsel = perf_session__find_first_evtype(session, attr_type(j));
 511
 512                 /*
 513                  * even if fields is set to 0 (ie., show nothing) event must
 514                  * exist if user explicitly includes it on the command line
 515                  */
 516                 if (!evsel && output[j].user_set && !output[j].wildcard_set &&
 517                     j != OUTPUT_TYPE_SYNTH) {
 518                         pr_err("%s events do not exist. "
 519                                "Remove corresponding -F option to proceed.\n",
 520                                event_type(j));
 521                         return -1;
 522                 }
 523
 524                 if (evsel && output[j].fields &&
 525                         perf_evsel__check_attr(evsel, session))
 526                         return -1;
 527
 528                 if (evsel == NULL)
 529                         continue;
 530
 531                 set_print_ip_opts(&evsel->core.attr);
 532         }
 533
 534         if (!no_callchain) {
 535                 bool use_callchain = false;
 536                 bool not_pipe = false;
 537
 538                 evlist__for_each_entry(session->evlist, evsel) {
 539                         not_pipe = true;
 540                         if (evsel__has_callchain(evsel)) {
 541                                 use_callchain = true;
 542                                 break;
 543                         }
 544                 }
 545                 if (not_pipe && !use_callchain)
 546                         symbol_conf.use_callchain = false;
 547         }
 548
 549         /*
 550          * set default for tracepoints to print symbols only
 551          * if callchains are present
 552          */
 553         if (symbol_conf.use_callchain &&
 554             !output[PERF_TYPE_TRACEPOINT].user_set) {
 555                 j = PERF_TYPE_TRACEPOINT;
 556
 557                 evlist__for_each_entry(session->evlist, evsel) {
 558                         if (evsel->core.attr.type != j)
 559                                 continue;
 560
 561                         if (evsel__has_callchain(evsel)) {
 562                                 output[j].fields |= PERF_OUTPUT_IP;
 563                                 output[j].fields |= PERF_OUTPUT_SYM;
 564                                 output[j].fields |= PERF_OUTPUT_SYMOFFSET;
 565                                 output[j].fields |= PERF_OUTPUT_DSO;
 566                                 set_print_ip_opts(&evsel->core.attr);
 567                                 goto out;
 568                         }
 569                 }
 570         }
 571
 572 out:
 573         return 0;
 574 }
 575
 576 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask,
 577                                      FILE *fp
 578 )
 579 {
 580         unsigned i = 0, r;
 581         int printed = 0;
 582
 583         if (!regs || !regs->regs)
 584                 return 0;
 585
 586         printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
 587
 588         for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
 589                 u64 val = regs->regs[i++];
 590                 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
 591         }
 592
 593         return printed;
 594 }
 595
 596 static int perf_sample__fprintf_iregs(struct perf_sample *sample,
 597                                       struct perf_event_attr *attr, FILE *fp)
 598 {
 599         return perf_sample__fprintf_regs(&sample->intr_regs,
 600                                          attr->sample_regs_intr, fp);
 601 }
 602
 603 static int perf_sample__fprintf_uregs(struct perf_sample *sample,
 604                                       struct perf_event_attr *attr, FILE *fp)
 605 {
 606         return perf_sample__fprintf_regs(&sample->user_regs,
 607                                          attr->sample_regs_user, fp);
 608 }
 609
 610 static int perf_sample__fprintf_start(struct perf_sample *sample,
 611                                       struct thread *thread,
 612                                       struct evsel *evsel,
 613                                       u32 type, FILE *fp)
 614 {
 615         struct perf_event_attr *attr = &evsel->core.attr;
 616         unsigned long secs;
 617         unsigned long long nsecs;
 618         int printed = 0;
 619
 620         if (PRINT_FIELD(COMM)) {
 621                 if (latency_format)
 622                         printed += fprintf(fp, "%8.8s ", thread__comm_str(thread));
 623                 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
 624                         printed += fprintf(fp, "%s ", thread__comm_str(thread));
 625                 else
 626                         printed += fprintf(fp, "%16s ", thread__comm_str(thread));
 627         }
 628
 629         if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
 630                 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid);
 631         else if (PRINT_FIELD(PID))
 632                 printed += fprintf(fp, "%5d ", sample->pid);
 633         else if (PRINT_FIELD(TID))
 634                 printed += fprintf(fp, "%5d ", sample->tid);
 635
 636         if (PRINT_FIELD(CPU)) {
 637                 if (latency_format)
 638                         printed += fprintf(fp, "%3d ", sample->cpu);
 639                 else
 640                         printed += fprintf(fp, "[%03d] ", sample->cpu);
 641         }
 642
 643         if (PRINT_FIELD(MISC)) {
 644                 int ret = 0;
 645
 646                 #define has(m) \
 647                         (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
 648
 649                 if (has(KERNEL))
 650                         ret += fprintf(fp, "K");
 651                 if (has(USER))
 652                         ret += fprintf(fp, "U");
 653                 if (has(HYPERVISOR))
 654                         ret += fprintf(fp, "H");
 655                 if (has(GUEST_KERNEL))
 656                         ret += fprintf(fp, "G");
 657                 if (has(GUEST_USER))
 658                         ret += fprintf(fp, "g");
 659
 660                 switch (type) {
 661                 case PERF_RECORD_MMAP:
 662                 case PERF_RECORD_MMAP2:
 663                         if (has(MMAP_DATA))
 664                                 ret += fprintf(fp, "M");
 665                         break;
 666                 case PERF_RECORD_COMM:
 667                         if (has(COMM_EXEC))
 668                                 ret += fprintf(fp, "E");
 669                         break;
 670                 case PERF_RECORD_SWITCH:
 671                 case PERF_RECORD_SWITCH_CPU_WIDE:
 672                         if (has(SWITCH_OUT)) {
 673                                 ret += fprintf(fp, "S");
 674                                 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
 675                                         ret += fprintf(fp, "p");
 676                         }
 677                 default:
 678                         break;
 679                 }
 680
 681                 #undef has
 682
 683                 ret += fprintf(fp, "%*s", 6 - ret, " ");
 684                 printed += ret;
 685         }
 686
 687         if (PRINT_FIELD(TIME)) {
 688                 u64 t = sample->time;
 689                 if (reltime) {
 690                         if (!initial_time)
 691                                 initial_time = sample->time;
 692                         t = sample->time - initial_time;
 693                 } else if (deltatime) {
 694                         if (previous_time)
 695                                 t = sample->time - previous_time;
 696                         else {
 697                                 t = 0;
 698                         }
 699                         previous_time = sample->time;
 700                 }
 701                 nsecs = t;
 702                 secs = nsecs / NSEC_PER_SEC;
 703                 nsecs -= secs * NSEC_PER_SEC;
 704
 705                 if (symbol_conf.nanosecs)
 706                         printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
 707                 else {
 708                         char sample_time[32];
 709                         timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time));
 710                         printed += fprintf(fp, "%12s: ", sample_time);
 711                 }
 712         }
 713
 714         return printed;
 715 }
 716
 717 static inline char
 718 mispred_str(struct branch_entry *br)
 719 {
 720         if (!(br->flags.mispred  || br->flags.predicted))
 721                 return '-';
 722
 723         return br->flags.predicted ? 'P' : 'M';
 724 }
 725
 726 static int perf_sample__fprintf_brstack(struct perf_sample *sample,
 727                                         struct thread *thread,
 728                                         struct perf_event_attr *attr, FILE *fp)
 729 {
 730         struct branch_stack *br = sample->branch_stack;
 731         struct branch_entry *entries = perf_sample__branch_entries(sample);
 732         struct addr_location alf, alt;
 733         u64 i, from, to;
 734         int printed = 0;
 735
 736         if (!(br && br->nr))
 737                 return 0;
 738
 739         for (i = 0; i < br->nr; i++) {
 740                 from = entries[i].from;
 741                 to   = entries[i].to;
 742
 743                 if (PRINT_FIELD(DSO)) {
 744                         memset(&alf, 0, sizeof(alf));
 745                         memset(&alt, 0, sizeof(alt));
 746                         thread__find_map_fb(thread, sample->cpumode, from, &alf);
 747                         thread__find_map_fb(thread, sample->cpumode, to, &alt);
 748                 }
 749
 750                 printed += fprintf(fp, " 0x%"PRIx64, from);
 751                 if (PRINT_FIELD(DSO)) {
 752                         printed += fprintf(fp, "(");
 753                         printed += map__fprintf_dsoname(alf.map, fp);
 754                         printed += fprintf(fp, ")");
 755                 }
 756
 757                 printed += fprintf(fp, "/0x%"PRIx64, to);
 758                 if (PRINT_FIELD(DSO)) {
 759                         printed += fprintf(fp, "(");
 760                         printed += map__fprintf_dsoname(alt.map, fp);
 761                         printed += fprintf(fp, ")");
 762                 }
 763
 764                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 765                         mispred_str(entries + i),
 766                         entries[i].flags.in_tx ? 'X' : '-',
 767                         entries[i].flags.abort ? 'A' : '-',
 768                         entries[i].flags.cycles);
 769         }
 770
 771         return printed;
 772 }
 773
 774 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
 775                                            struct thread *thread,
 776                                            struct perf_event_attr *attr, FILE *fp)
 777 {
 778         struct branch_stack *br = sample->branch_stack;
 779         struct branch_entry *entries = perf_sample__branch_entries(sample);
 780         struct addr_location alf, alt;
 781         u64 i, from, to;
 782         int printed = 0;
 783
 784         if (!(br && br->nr))
 785                 return 0;
 786
 787         for (i = 0; i < br->nr; i++) {
 788
 789                 memset(&alf, 0, sizeof(alf));
 790                 memset(&alt, 0, sizeof(alt));
 791                 from = entries[i].from;
 792                 to   = entries[i].to;
 793
 794                 thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
 795                 thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
 796
 797                 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
 798                 if (PRINT_FIELD(DSO)) {
 799                         printed += fprintf(fp, "(");
 800                         printed += map__fprintf_dsoname(alf.map, fp);
 801                         printed += fprintf(fp, ")");
 802                 }
 803                 printed += fprintf(fp, "%c", '/');
 804                 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
 805                 if (PRINT_FIELD(DSO)) {
 806                         printed += fprintf(fp, "(");
 807                         printed += map__fprintf_dsoname(alt.map, fp);
 808                         printed += fprintf(fp, ")");
 809                 }
 810                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 811                         mispred_str(entries + i),
 812                         entries[i].flags.in_tx ? 'X' : '-',
 813                         entries[i].flags.abort ? 'A' : '-',
 814                         entries[i].flags.cycles);
 815         }
 816
 817         return printed;
 818 }
 819
 820 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
 821                                            struct thread *thread,
 822                                            struct perf_event_attr *attr, FILE *fp)
 823 {
 824         struct branch_stack *br = sample->branch_stack;
 825         struct branch_entry *entries = perf_sample__branch_entries(sample);
 826         struct addr_location alf, alt;
 827         u64 i, from, to;
 828         int printed = 0;
 829
 830         if (!(br && br->nr))
 831                 return 0;
 832
 833         for (i = 0; i < br->nr; i++) {
 834
 835                 memset(&alf, 0, sizeof(alf));
 836                 memset(&alt, 0, sizeof(alt));
 837                 from = entries[i].from;
 838                 to   = entries[i].to;
 839
 840                 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
 841                     !alf.map->dso->adjust_symbols)
 842                         from = map__map_ip(alf.map, from);
 843
 844                 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
 845                     !alt.map->dso->adjust_symbols)
 846                         to = map__map_ip(alt.map, to);
 847
 848                 printed += fprintf(fp, " 0x%"PRIx64, from);
 849                 if (PRINT_FIELD(DSO)) {
 850                         printed += fprintf(fp, "(");
 851                         printed += map__fprintf_dsoname(alf.map, fp);
 852                         printed += fprintf(fp, ")");
 853                 }
 854                 printed += fprintf(fp, "/0x%"PRIx64, to);
 855                 if (PRINT_FIELD(DSO)) {
 856                         printed += fprintf(fp, "(");
 857                         printed += map__fprintf_dsoname(alt.map, fp);
 858                         printed += fprintf(fp, ")");
 859                 }
 860                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 861                         mispred_str(entries + i),
 862                         entries[i].flags.in_tx ? 'X' : '-',
 863                         entries[i].flags.abort ? 'A' : '-',
 864                         entries[i].flags.cycles);
 865         }
 866
 867         return printed;
 868 }
 869 #define MAXBB 16384UL
 870
 871 static int grab_bb(u8 *buffer, u64 start, u64 end,
 872                     struct machine *machine, struct thread *thread,
 873                     bool *is64bit, u8 *cpumode, bool last)
 874 {
 875         long offset, len;
 876         struct addr_location al;
 877         bool kernel;
 878
 879         if (!start || !end)
 880                 return 0;
 881
 882         kernel = machine__kernel_ip(machine, start);
 883         if (kernel)
 884                 *cpumode = PERF_RECORD_MISC_KERNEL;
 885         else
 886                 *cpumode = PERF_RECORD_MISC_USER;
 887
 888         /*
 889          * Block overlaps between kernel and user.
 890          * This can happen due to ring filtering
 891          * On Intel CPUs the entry into the kernel is filtered,
 892          * but the exit is not. Let the caller patch it up.
 893          */
 894         if (kernel != machine__kernel_ip(machine, end)) {
 895                 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
 896                 return -ENXIO;
 897         }
 898
 899         memset(&al, 0, sizeof(al));
 900         if (end - start > MAXBB - MAXINSN) {
 901                 if (last)
 902                         pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
 903                 else
 904                         pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
 905                 return 0;
 906         }
 907
 908         if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) {
 909                 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
 910                 return 0;
 911         }
 912         if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
 913                 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
 914                 return 0;
 915         }
 916
 917         /* Load maps to ensure dso->is_64_bit has been updated */
 918         map__load(al.map);
 919
 920         offset = al.map->map_ip(al.map, start);
 921         len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer,
 922                                     end - start + MAXINSN);
 923
 924         *is64bit = al.map->dso->is_64_bit;
 925         if (len <= 0)
 926                 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
 927                         start, end);
 928         return len;
 929 }
 930
 931 static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state)
 932 {
 933         char *srcfile;
 934         int ret = 0;
 935         unsigned line;
 936         int len;
 937         char *srccode;
 938
 939         if (!map || !map->dso)
 940                 return 0;
 941         srcfile = get_srcline_split(map->dso,
 942                                     map__rip_2objdump(map, addr),
 943                                     &line);
 944         if (!srcfile)
 945                 return 0;
 946
 947         /* Avoid redundant printing */
 948         if (state &&
 949             state->srcfile &&
 950             !strcmp(state->srcfile, srcfile) &&
 951             state->line == line) {
 952                 free(srcfile);
 953                 return 0;
 954         }
 955
 956         srccode = find_sourceline(srcfile, line, &len);
 957         if (!srccode)
 958                 goto out_free_line;
 959
 960         ret = fprintf(fp, "|%-8d %.*s", line, len, srccode);
 961
 962         if (state) {
 963                 state->srcfile = srcfile;
 964                 state->line = line;
 965         }
 966         return ret;
 967
 968 out_free_line:
 969         free(srcfile);
 970         return ret;
 971 }
 972
 973 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr)
 974 {
 975         struct addr_location al;
 976         int ret = 0;
 977
 978         memset(&al, 0, sizeof(al));
 979         thread__find_map(thread, cpumode, addr, &al);
 980         if (!al.map)
 981                 return 0;
 982         ret = map__fprintf_srccode(al.map, al.addr, stdout,
 983                     &thread->srccode_state);
 984         if (ret)
 985                 ret += printf("\n");
 986         return ret;
 987 }
 988
 989 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
 990                             struct perf_insn *x, u8 *inbuf, int len,
 991                             int insn, FILE *fp, int *total_cycles)
 992 {
 993         int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip,
 994                               dump_insn(x, ip, inbuf, len, NULL),
 995                               en->flags.predicted ? " PRED" : "",
 996                               en->flags.mispred ? " MISPRED" : "",
 997                               en->flags.in_tx ? " INTX" : "",
 998                               en->flags.abort ? " ABORT" : "");
 999         if (en->flags.cycles) {
1000                 *total_cycles += en->flags.cycles;
1001                 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles);
1002                 if (insn)
1003                         printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
1004         }
1005         return printed + fprintf(fp, "\n");
1006 }
1007
1008 static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
1009                            u8 cpumode, int cpu, struct symbol **lastsym,
1010                            struct perf_event_attr *attr, FILE *fp)
1011 {
1012         struct addr_location al;
1013         int off, printed = 0;
1014
1015         memset(&al, 0, sizeof(al));
1016
1017         thread__find_map(thread, cpumode, addr, &al);
1018
1019         if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
1020                 return 0;
1021
1022         al.cpu = cpu;
1023         al.sym = NULL;
1024         if (al.map)
1025                 al.sym = map__find_symbol(al.map, al.addr);
1026
1027         if (!al.sym)
1028                 return 0;
1029
1030         if (al.addr < al.sym->end)
1031                 off = al.addr - al.sym->start;
1032         else
1033                 off = al.addr - al.map->start - al.sym->start;
1034         printed += fprintf(fp, "\t%s", al.sym->name);
1035         if (off)
1036                 printed += fprintf(fp, "%+d", off);
1037         printed += fprintf(fp, ":");
1038         if (PRINT_FIELD(SRCLINE))
1039                 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
1040         printed += fprintf(fp, "\n");
1041         *lastsym = al.sym;
1042
1043         return printed;
1044 }
1045
1046 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
1047                                             struct thread *thread,
1048                                             struct perf_event_attr *attr,
1049                                             struct machine *machine, FILE *fp)
1050 {
1051         struct branch_stack *br = sample->branch_stack;
1052         struct branch_entry *entries = perf_sample__branch_entries(sample);
1053         u64 start, end;
1054         int i, insn, len, nr, ilen, printed = 0;
1055         struct perf_insn x;
1056         u8 buffer[MAXBB];
1057         unsigned off;
1058         struct symbol *lastsym = NULL;
1059         int total_cycles = 0;
1060
1061         if (!(br && br->nr))
1062                 return 0;
1063         nr = br->nr;
1064         if (max_blocks && nr > max_blocks + 1)
1065                 nr = max_blocks + 1;
1066
1067         x.thread = thread;
1068         x.cpu = sample->cpu;
1069
1070         printed += fprintf(fp, "%c", '\n');
1071
1072         /* Handle first from jump, of which we don't know the entry. */
1073         len = grab_bb(buffer, entries[nr-1].from,
1074                         entries[nr-1].from,
1075                         machine, thread, &x.is64bit, &x.cpumode, false);
1076         if (len > 0) {
1077                 printed += ip__fprintf_sym(entries[nr - 1].from, thread,
1078                                            x.cpumode, x.cpu, &lastsym, attr, fp);
1079                 printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1],
1080                                             &x, buffer, len, 0, fp, &total_cycles);
1081                 if (PRINT_FIELD(SRCCODE))
1082                         printed += print_srccode(thread, x.cpumode, entries[nr - 1].from);
1083         }
1084
1085         /* Print all blocks */
1086         for (i = nr - 2; i >= 0; i--) {
1087                 if (entries[i].from || entries[i].to)
1088                         pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1089                                  entries[i].from,
1090                                  entries[i].to);
1091                 start = entries[i + 1].to;
1092                 end   = entries[i].from;
1093
1094                 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1095                 /* Patch up missing kernel transfers due to ring filters */
1096                 if (len == -ENXIO && i > 0) {
1097                         end = entries[--i].from;
1098                         pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1099                         len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1100                 }
1101                 if (len <= 0)
1102                         continue;
1103
1104                 insn = 0;
1105                 for (off = 0; off < (unsigned)len; off += ilen) {
1106                         uint64_t ip = start + off;
1107
1108                         printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1109                         if (ip == end) {
1110                                 printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp,
1111                                                             &total_cycles);
1112                                 if (PRINT_FIELD(SRCCODE))
1113                                         printed += print_srccode(thread, x.cpumode, ip);
1114                                 break;
1115                         } else {
1116                                 ilen = 0;
1117                                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip,
1118                                                    dump_insn(&x, ip, buffer + off, len - off, &ilen));
1119                                 if (ilen == 0)
1120                                         break;
1121                                 if (PRINT_FIELD(SRCCODE))
1122                                         print_srccode(thread, x.cpumode, ip);
1123                                 insn++;
1124                         }
1125                 }
1126                 if (off != end - start)
1127                         printed += fprintf(fp, "\tmismatch of LBR data and executable\n");
1128         }
1129
1130         /*
1131          * Hit the branch? In this case we are already done, and the target
1132          * has not been executed yet.
1133          */
1134         if (entries[0].from == sample->ip)
1135                 goto out;
1136         if (entries[0].flags.abort)
1137                 goto out;
1138
1139         /*
1140          * Print final block upto sample
1141          *
1142          * Due to pipeline delays the LBRs might be missing a branch
1143          * or two, which can result in very large or negative blocks
1144          * between final branch and sample. When this happens just
1145          * continue walking after the last TO until we hit a branch.
1146          */
1147         start = entries[0].to;
1148         end = sample->ip;
1149         if (end < start) {
1150                 /* Missing jump. Scan 128 bytes for the next branch */
1151                 end = start + 128;
1152         }
1153         len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1154         printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1155         if (len <= 0) {
1156                 /* Print at least last IP if basic block did not work */
1157                 len = grab_bb(buffer, sample->ip, sample->ip,
1158                               machine, thread, &x.is64bit, &x.cpumode, false);
1159                 if (len <= 0)
1160                         goto out;
1161                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip,
1162                         dump_insn(&x, sample->ip, buffer, len, NULL));
1163                 if (PRINT_FIELD(SRCCODE))
1164                         print_srccode(thread, x.cpumode, sample->ip);
1165                 goto out;
1166         }
1167         for (off = 0; off <= end - start; off += ilen) {
1168                 ilen = 0;
1169                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off,
1170                                    dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1171                 if (ilen == 0)
1172                         break;
1173                 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) {
1174                         /*
1175                          * Hit a missing branch. Just stop.
1176                          */
1177                         printed += fprintf(fp, "\t... not reaching sample ...\n");
1178                         break;
1179                 }
1180                 if (PRINT_FIELD(SRCCODE))
1181                         print_srccode(thread, x.cpumode, start + off);
1182         }
1183 out:
1184         return printed;
1185 }
1186
1187 static int perf_sample__fprintf_addr(struct perf_sample *sample,
1188                                      struct thread *thread,
1189                                      struct perf_event_attr *attr, FILE *fp)
1190 {
1191         struct addr_location al;
1192         int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1193
1194         if (!sample_addr_correlates_sym(attr))
1195                 goto out;
1196
1197         thread__resolve(thread, &al, sample);
1198
1199         if (PRINT_FIELD(SYM)) {
1200                 printed += fprintf(fp, " ");
1201                 if (PRINT_FIELD(SYMOFFSET))
1202                         printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1203                 else
1204                         printed += symbol__fprintf_symname(al.sym, fp);
1205         }
1206
1207         if (PRINT_FIELD(DSO)) {
1208                 printed += fprintf(fp, " (");
1209                 printed += map__fprintf_dsoname(al.map, fp);
1210                 printed += fprintf(fp, ")");
1211         }
1212 out:
1213         return printed;
1214 }
1215
1216 static const char *resolve_branch_sym(struct perf_sample *sample,
1217                                       struct evsel *evsel,
1218                                       struct thread *thread,
1219                                       struct addr_location *al,
1220                                       u64 *ip)
1221 {
1222         struct addr_location addr_al;
1223         struct perf_event_attr *attr = &evsel->core.attr;
1224         const char *name = NULL;
1225
1226         if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1227                 if (sample_addr_correlates_sym(attr)) {
1228                         thread__resolve(thread, &addr_al, sample);
1229                         if (addr_al.sym)
1230                                 name = addr_al.sym->name;
1231                         else
1232                                 *ip = sample->addr;
1233                 } else {
1234                         *ip = sample->addr;
1235                 }
1236         } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1237                 if (al->sym)
1238                         name = al->sym->name;
1239                 else
1240                         *ip = sample->ip;
1241         }
1242         return name;
1243 }
1244
1245 static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1246                                            struct evsel *evsel,
1247                                            struct thread *thread,
1248                                            struct addr_location *al, FILE *fp)
1249 {
1250         struct perf_event_attr *attr = &evsel->core.attr;
1251         size_t depth = thread_stack__depth(thread, sample->cpu);
1252         const char *name = NULL;
1253         static int spacing;
1254         int len = 0;
1255         int dlen = 0;
1256         u64 ip = 0;
1257
1258         /*
1259          * The 'return' has already been popped off the stack so the depth has
1260          * to be adjusted to match the 'call'.
1261          */
1262         if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
1263                 depth += 1;
1264
1265         name = resolve_branch_sym(sample, evsel, thread, al, &ip);
1266
1267         if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
1268                 dlen += fprintf(fp, "(");
1269                 dlen += map__fprintf_dsoname(al->map, fp);
1270                 dlen += fprintf(fp, ")\t");
1271         }
1272
1273         if (name)
1274                 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1275         else if (ip)
1276                 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1277
1278         if (len < 0)
1279                 return len;
1280
1281         /*
1282          * Try to keep the output length from changing frequently so that the
1283          * output lines up more nicely.
1284          */
1285         if (len > spacing || (len && len < spacing - 52))
1286                 spacing = round_up(len + 4, 32);
1287
1288         if (len < spacing)
1289                 len += fprintf(fp, "%*s", spacing - len, "");
1290
1291         return len + dlen;
1292 }
1293
1294 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused,
1295                             struct thread *thread __maybe_unused,
1296                             struct machine *machine __maybe_unused)
1297 {
1298 }
1299
1300 static int perf_sample__fprintf_insn(struct perf_sample *sample,
1301                                      struct perf_event_attr *attr,
1302                                      struct thread *thread,
1303                                      struct machine *machine, FILE *fp)
1304 {
1305         int printed = 0;
1306
1307         if (sample->insn_len == 0 && native_arch)
1308                 arch_fetch_insn(sample, thread, machine);
1309
1310         if (PRINT_FIELD(INSNLEN))
1311                 printed += fprintf(fp, " ilen: %d", sample->insn_len);
1312         if (PRINT_FIELD(INSN) && sample->insn_len) {
1313                 int i;
1314
1315                 printed += fprintf(fp, " insn:");
1316                 for (i = 0; i < sample->insn_len; i++)
1317                         printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
1318         }
1319         if (PRINT_FIELD(BRSTACKINSN))
1320                 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
1321
1322         return printed;
1323 }
1324
1325 static int perf_sample__fprintf_ipc(struct perf_sample *sample,
1326                                     struct perf_event_attr *attr, FILE *fp)
1327 {
1328         unsigned int ipc;
1329
1330         if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt)
1331                 return 0;
1332
1333         ipc = (sample->insn_cnt * 100) / sample->cyc_cnt;
1334
1335         return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ",
1336                        ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt);
1337 }
1338
1339 static int perf_sample__fprintf_bts(struct perf_sample *sample,
1340                                     struct evsel *evsel,
1341                                     struct thread *thread,
1342                                     struct addr_location *al,
1343                                     struct machine *machine, FILE *fp)
1344 {
1345         struct perf_event_attr *attr = &evsel->core.attr;
1346         unsigned int type = output_type(attr->type);
1347         bool print_srcline_last = false;
1348         int printed = 0;
1349
1350         if (PRINT_FIELD(CALLINDENT))
1351                 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp);
1352
1353         /* print branch_from information */
1354         if (PRINT_FIELD(IP)) {
1355                 unsigned int print_opts = output[type].print_ip_opts;
1356                 struct callchain_cursor *cursor = NULL;
1357
1358                 if (symbol_conf.use_callchain && sample->callchain &&
1359                     thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1360                                               sample, NULL, NULL, scripting_max_stack) == 0)
1361                         cursor = &callchain_cursor;
1362
1363                 if (cursor == NULL) {
1364                         printed += fprintf(fp, " ");
1365                         if (print_opts & EVSEL__PRINT_SRCLINE) {
1366                                 print_srcline_last = true;
1367                                 print_opts &= ~EVSEL__PRINT_SRCLINE;
1368                         }
1369                 } else
1370                         printed += fprintf(fp, "\n");
1371
1372                 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor,
1373                                                symbol_conf.bt_stop_list, fp);
1374         }
1375
1376         /* print branch_to information */
1377         if (PRINT_FIELD(ADDR) ||
1378             ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
1379              !output[type].user_set)) {
1380                 printed += fprintf(fp, " => ");
1381                 printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1382         }
1383
1384         printed += perf_sample__fprintf_ipc(sample, attr, fp);
1385
1386         if (print_srcline_last)
1387                 printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
1388
1389         printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1390         printed += fprintf(fp, "\n");
1391         if (PRINT_FIELD(SRCCODE)) {
1392                 int ret = map__fprintf_srccode(al->map, al->addr, stdout,
1393                                          &thread->srccode_state);
1394                 if (ret) {
1395                         printed += ret;
1396                         printed += printf("\n");
1397                 }
1398         }
1399         return printed;
1400 }
1401
1402 static struct {
1403         u32 flags;
1404         const char *name;
1405 } sample_flags[] = {
1406         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1407         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1408         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1409         {PERF_IP_FLAG_BRANCH, "jmp"},
1410         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1411         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1412         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1413         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1414         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1415         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"},
1416         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1417         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1418         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1419         {0, NULL}
1420 };
1421
1422 static const char *sample_flags_to_name(u32 flags)
1423 {
1424         int i;
1425
1426         for (i = 0; sample_flags[i].name ; i++) {
1427                 if (sample_flags[i].flags == flags)
1428                         return sample_flags[i].name;
1429         }
1430
1431         return NULL;
1432 }
1433
1434 static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1435 {
1436         const char *chars = PERF_IP_FLAG_CHARS;
1437         const int n = strlen(PERF_IP_FLAG_CHARS);
1438         bool in_tx = flags & PERF_IP_FLAG_IN_TX;
1439         const char *name = NULL;
1440         char str[33];
1441         int i, pos = 0;
1442
1443         name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX);
1444         if (name)
1445                 return fprintf(fp, "  %-15s%4s ", name, in_tx ? "(x)" : "");
1446
1447         if (flags & PERF_IP_FLAG_TRACE_BEGIN) {
1448                 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN));
1449                 if (name)
1450                         return fprintf(fp, "  tr strt %-7s%4s ", name, in_tx ? "(x)" : "");
1451         }
1452
1453         if (flags & PERF_IP_FLAG_TRACE_END) {
1454                 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END));
1455                 if (name)
1456                         return fprintf(fp, "  tr end  %-7s%4s ", name, in_tx ? "(x)" : "");
1457         }
1458
1459         for (i = 0; i < n; i++, flags >>= 1) {
1460                 if (flags & 1)
1461                         str[pos++] = chars[i];
1462         }
1463         for (; i < 32; i++, flags >>= 1) {
1464                 if (flags & 1)
1465                         str[pos++] = '?';
1466         }
1467         str[pos] = 0;
1468
1469         return fprintf(fp, "  %-19s ", str);
1470 }
1471
1472 struct printer_data {
1473         int line_no;
1474         bool hit_nul;
1475         bool is_printable;
1476 };
1477
1478 static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1479                                       unsigned int val,
1480                                       void *extra, FILE *fp)
1481 {
1482         unsigned char ch = (unsigned char)val;
1483         struct printer_data *printer_data = extra;
1484         int printed = 0;
1485
1486         switch (op) {
1487         case BINARY_PRINT_DATA_BEGIN:
1488                 printed += fprintf(fp, "\n");
1489                 break;
1490         case BINARY_PRINT_LINE_BEGIN:
1491                 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1492                                                         "           ");
1493                 break;
1494         case BINARY_PRINT_ADDR:
1495                 printed += fprintf(fp, " %04x:", val);
1496                 break;
1497         case BINARY_PRINT_NUM_DATA:
1498                 printed += fprintf(fp, " %02x", val);
1499                 break;
1500         case BINARY_PRINT_NUM_PAD:
1501                 printed += fprintf(fp, "   ");
1502                 break;
1503         case BINARY_PRINT_SEP:
1504                 printed += fprintf(fp, "  ");
1505                 break;
1506         case BINARY_PRINT_CHAR_DATA:
1507                 if (printer_data->hit_nul && ch)
1508                         printer_data->is_printable = false;
1509
1510                 if (!isprint(ch)) {
1511                         printed += fprintf(fp, "%c", '.');
1512
1513                         if (!printer_data->is_printable)
1514                                 break;
1515
1516                         if (ch == '\0')
1517                                 printer_data->hit_nul = true;
1518                         else
1519                                 printer_data->is_printable = false;
1520                 } else {
1521                         printed += fprintf(fp, "%c", ch);
1522                 }
1523                 break;
1524         case BINARY_PRINT_CHAR_PAD:
1525                 printed += fprintf(fp, " ");
1526                 break;
1527         case BINARY_PRINT_LINE_END:
1528                 printed += fprintf(fp, "\n");
1529                 printer_data->line_no++;
1530                 break;
1531         case BINARY_PRINT_DATA_END:
1532         default:
1533                 break;
1534         }
1535
1536         return printed;
1537 }
1538
1539 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1540 {
1541         unsigned int nr_bytes = sample->raw_size;
1542         struct printer_data printer_data = {0, false, true};
1543         int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1544                                       sample__fprintf_bpf_output, &printer_data, fp);
1545
1546         if (printer_data.is_printable && printer_data.hit_nul)
1547                 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1548
1549         return printed;
1550 }
1551
1552 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1553 {
1554         if (len > 0 && len < spacing)
1555                 return fprintf(fp, "%*s", spacing - len, "");
1556
1557         return 0;
1558 }
1559
1560 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1561 {
1562         return perf_sample__fprintf_spacing(len, 34, fp);
1563 }
1564
1565 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1566 {
1567         struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1568         int len;
1569
1570         if (perf_sample__bad_synth_size(sample, *data))
1571                 return 0;
1572
1573         len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ",
1574                      data->ip, le64_to_cpu(data->payload));
1575         return len + perf_sample__fprintf_pt_spacing(len, fp);
1576 }
1577
1578 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1579 {
1580         struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1581         int len;
1582
1583         if (perf_sample__bad_synth_size(sample, *data))
1584                 return 0;
1585
1586         len = fprintf(fp, " hints: %#x extensions: %#x ",
1587                       data->hints, data->extensions);
1588         return len + perf_sample__fprintf_pt_spacing(len, fp);
1589 }
1590
1591 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1592 {
1593         struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1594         int len;
1595
1596         if (perf_sample__bad_synth_size(sample, *data))
1597                 return 0;
1598
1599         len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1600                       data->hw, data->cstate, data->subcstate);
1601         return len + perf_sample__fprintf_pt_spacing(len, fp);
1602 }
1603
1604 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1605 {
1606         struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1607         int len;
1608
1609         if (perf_sample__bad_synth_size(sample, *data))
1610                 return 0;
1611
1612         len = fprintf(fp, " IP: %u ", data->ip);
1613         return len + perf_sample__fprintf_pt_spacing(len, fp);
1614 }
1615
1616 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1617 {
1618         struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1619         int len;
1620
1621         if (perf_sample__bad_synth_size(sample, *data))
1622                 return 0;
1623
1624         len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1625                      data->deepest_cstate, data->last_cstate,
1626                      data->wake_reason);
1627         return len + perf_sample__fprintf_pt_spacing(len, fp);
1628 }
1629
1630 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1631 {
1632         struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1633         unsigned int percent, freq;
1634         int len;
1635
1636         if (perf_sample__bad_synth_size(sample, *data))
1637                 return 0;
1638
1639         freq = (le32_to_cpu(data->freq) + 500) / 1000;
1640         len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1641         if (data->max_nonturbo) {
1642                 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1643                 len += fprintf(fp, "(%3u%%) ", percent);
1644         }
1645         return len + perf_sample__fprintf_pt_spacing(len, fp);
1646 }
1647
1648 static int perf_sample__fprintf_synth(struct perf_sample *sample,
1649                                       struct evsel *evsel, FILE *fp)
1650 {
1651         switch (evsel->core.attr.config) {
1652         case PERF_SYNTH_INTEL_PTWRITE:
1653                 return perf_sample__fprintf_synth_ptwrite(sample, fp);
1654         case PERF_SYNTH_INTEL_MWAIT:
1655                 return perf_sample__fprintf_synth_mwait(sample, fp);
1656         case PERF_SYNTH_INTEL_PWRE:
1657                 return perf_sample__fprintf_synth_pwre(sample, fp);
1658         case PERF_SYNTH_INTEL_EXSTOP:
1659                 return perf_sample__fprintf_synth_exstop(sample, fp);
1660         case PERF_SYNTH_INTEL_PWRX:
1661                 return perf_sample__fprintf_synth_pwrx(sample, fp);
1662         case PERF_SYNTH_INTEL_CBR:
1663                 return perf_sample__fprintf_synth_cbr(sample, fp);
1664         default:
1665                 break;
1666         }
1667
1668         return 0;
1669 }
1670
1671 struct perf_script {
1672         struct perf_tool        tool;
1673         struct perf_session     *session;
1674         bool                    show_task_events;
1675         bool                    show_mmap_events;
1676         bool                    show_switch_events;
1677         bool                    show_namespace_events;
1678         bool                    show_lost_events;
1679         bool                    show_round_events;
1680         bool                    show_bpf_events;
1681         bool                    show_cgroup_events;
1682         bool                    allocated;
1683         bool                    per_event_dump;
1684         bool                    stitch_lbr;
1685         struct evswitch         evswitch;
1686         struct perf_cpu_map     *cpus;
1687         struct perf_thread_map *threads;
1688         int                     name_width;
1689         const char              *time_str;
1690         struct perf_time_interval *ptime_range;
1691         int                     range_size;
1692         int                     range_num;
1693 };
1694
1695 static int perf_evlist__max_name_len(struct evlist *evlist)
1696 {
1697         struct evsel *evsel;
1698         int max = 0;
1699
1700         evlist__for_each_entry(evlist, evsel) {
1701                 int len = strlen(evsel__name(evsel));
1702
1703                 max = MAX(len, max);
1704         }
1705
1706         return max;
1707 }
1708
1709 static int data_src__fprintf(u64 data_src, FILE *fp)
1710 {
1711         struct mem_info mi = { .data_src.val = data_src };
1712         char decode[100];
1713         char out[100];
1714         static int maxlen;
1715         int len;
1716
1717         perf_script__meminfo_scnprintf(decode, 100, &mi);
1718
1719         len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
1720         if (maxlen < len)
1721                 maxlen = len;
1722
1723         return fprintf(fp, "%-*s", maxlen, out);
1724 }
1725
1726 struct metric_ctx {
1727         struct perf_sample      *sample;
1728         struct thread           *thread;
1729         struct evsel    *evsel;
1730         FILE                    *fp;
1731 };
1732
1733 static void script_print_metric(struct perf_stat_config *config __maybe_unused,
1734                                 void *ctx, const char *color,
1735                                 const char *fmt,
1736                                 const char *unit, double val)
1737 {
1738         struct metric_ctx *mctx = ctx;
1739
1740         if (!fmt)
1741                 return;
1742         perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
1743                                    PERF_RECORD_SAMPLE, mctx->fp);
1744         fputs("\tmetric: ", mctx->fp);
1745         if (color)
1746                 color_fprintf(mctx->fp, color, fmt, val);
1747         else
1748                 printf(fmt, val);
1749         fprintf(mctx->fp, " %s\n", unit);
1750 }
1751
1752 static void script_new_line(struct perf_stat_config *config __maybe_unused,
1753                             void *ctx)
1754 {
1755         struct metric_ctx *mctx = ctx;
1756
1757         perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
1758                                    PERF_RECORD_SAMPLE, mctx->fp);
1759         fputs("\tmetric: ", mctx->fp);
1760 }
1761
1762 static void perf_sample__fprint_metric(struct perf_script *script,
1763                                        struct thread *thread,
1764                                        struct evsel *evsel,
1765                                        struct perf_sample *sample,
1766                                        FILE *fp)
1767 {
1768         struct perf_stat_output_ctx ctx = {
1769                 .print_metric = script_print_metric,
1770                 .new_line = script_new_line,
1771                 .ctx = &(struct metric_ctx) {
1772                                 .sample = sample,
1773                                 .thread = thread,
1774                                 .evsel  = evsel,
1775                                 .fp     = fp,
1776                          },
1777                 .force_header = false,
1778         };
1779         struct evsel *ev2;
1780         u64 val;
1781
1782         if (!evsel->stats)
1783                 perf_evlist__alloc_stats(script->session->evlist, false);
1784         if (evsel_script(evsel->leader)->gnum++ == 0)
1785                 perf_stat__reset_shadow_stats();
1786         val = sample->period * evsel->scale;
1787         perf_stat__update_shadow_stats(evsel,
1788                                        val,
1789                                        sample->cpu,
1790                                        &rt_stat);
1791         evsel_script(evsel)->val = val;
1792         if (evsel_script(evsel->leader)->gnum == evsel->leader->core.nr_members) {
1793                 for_each_group_member (ev2, evsel->leader) {
1794                         perf_stat__print_shadow_stats(&stat_config, ev2,
1795                                                       evsel_script(ev2)->val,
1796                                                       sample->cpu,
1797                                                       &ctx,
1798                                                       NULL,
1799                                                       &rt_stat);
1800                 }
1801                 evsel_script(evsel->leader)->gnum = 0;
1802         }
1803 }
1804
1805 static bool show_event(struct perf_sample *sample,
1806                        struct evsel *evsel,
1807                        struct thread *thread,
1808                        struct addr_location *al)
1809 {
1810         int depth = thread_stack__depth(thread, sample->cpu);
1811
1812         if (!symbol_conf.graph_function)
1813                 return true;
1814
1815         if (thread->filter) {
1816                 if (depth <= thread->filter_entry_depth) {
1817                         thread->filter = false;
1818                         return false;
1819                 }
1820                 return true;
1821         } else {
1822                 const char *s = symbol_conf.graph_function;
1823                 u64 ip;
1824                 const char *name = resolve_branch_sym(sample, evsel, thread, al,
1825                                 &ip);
1826                 unsigned nlen;
1827
1828                 if (!name)
1829                         return false;
1830                 nlen = strlen(name);
1831                 while (*s) {
1832                         unsigned len = strcspn(s, ",");
1833                         if (nlen == len && !strncmp(name, s, len)) {
1834                                 thread->filter = true;
1835                                 thread->filter_entry_depth = depth;
1836                                 return true;
1837                         }
1838                         s += len;
1839                         if (*s == ',')
1840                                 s++;
1841                 }
1842                 return false;
1843         }
1844 }
1845
1846 static void process_event(struct perf_script *script,
1847                           struct perf_sample *sample, struct evsel *evsel,
1848                           struct addr_location *al,
1849                           struct machine *machine)
1850 {
1851         struct thread *thread = al->thread;
1852         struct perf_event_attr *attr = &evsel->core.attr;
1853         unsigned int type = output_type(attr->type);
1854         struct evsel_script *es = evsel->priv;
1855         FILE *fp = es->fp;
1856
1857         if (output[type].fields == 0)
1858                 return;
1859
1860         if (!show_event(sample, evsel, thread, al))
1861                 return;
1862
1863         if (evswitch__discard(&script->evswitch, evsel))
1864                 return;
1865
1866         ++es->samples;
1867
1868         perf_sample__fprintf_start(sample, thread, evsel,
1869                                    PERF_RECORD_SAMPLE, fp);
1870
1871         if (PRINT_FIELD(PERIOD))
1872                 fprintf(fp, "%10" PRIu64 " ", sample->period);
1873
1874         if (PRINT_FIELD(EVNAME)) {
1875                 const char *evname = evsel__name(evsel);
1876
1877                 if (!script->name_width)
1878                         script->name_width = perf_evlist__max_name_len(script->session->evlist);
1879
1880                 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
1881         }
1882
1883         if (print_flags)
1884                 perf_sample__fprintf_flags(sample->flags, fp);
1885
1886         if (is_bts_event(attr)) {
1887                 perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp);
1888                 return;
1889         }
1890
1891         if (PRINT_FIELD(TRACE) && sample->raw_data) {
1892                 event_format__fprintf(evsel->tp_format, sample->cpu,
1893                                       sample->raw_data, sample->raw_size, fp);
1894         }
1895
1896         if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
1897                 perf_sample__fprintf_synth(sample, evsel, fp);
1898
1899         if (PRINT_FIELD(ADDR))
1900                 perf_sample__fprintf_addr(sample, thread, attr, fp);
1901
1902         if (PRINT_FIELD(DATA_SRC))
1903                 data_src__fprintf(sample->data_src, fp);
1904
1905         if (PRINT_FIELD(WEIGHT))
1906                 fprintf(fp, "%16" PRIu64, sample->weight);
1907
1908         if (PRINT_FIELD(IP)) {
1909                 struct callchain_cursor *cursor = NULL;
1910
1911                 if (script->stitch_lbr)
1912                         al->thread->lbr_stitch_enable = true;
1913
1914                 if (symbol_conf.use_callchain && sample->callchain &&
1915                     thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1916                                               sample, NULL, NULL, scripting_max_stack) == 0)
1917                         cursor = &callchain_cursor;
1918
1919                 fputc(cursor ? '\n' : ' ', fp);
1920                 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor,
1921                                     symbol_conf.bt_stop_list, fp);
1922         }
1923
1924         if (PRINT_FIELD(IREGS))
1925                 perf_sample__fprintf_iregs(sample, attr, fp);
1926
1927         if (PRINT_FIELD(UREGS))
1928                 perf_sample__fprintf_uregs(sample, attr, fp);
1929
1930         if (PRINT_FIELD(BRSTACK))
1931                 perf_sample__fprintf_brstack(sample, thread, attr, fp);
1932         else if (PRINT_FIELD(BRSTACKSYM))
1933                 perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
1934         else if (PRINT_FIELD(BRSTACKOFF))
1935                 perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
1936
1937         if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
1938                 perf_sample__fprintf_bpf_output(sample, fp);
1939         perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1940
1941         if (PRINT_FIELD(PHYS_ADDR))
1942                 fprintf(fp, "%16" PRIx64, sample->phys_addr);
1943
1944         perf_sample__fprintf_ipc(sample, attr, fp);
1945
1946         fprintf(fp, "\n");
1947
1948         if (PRINT_FIELD(SRCCODE)) {
1949                 if (map__fprintf_srccode(al->map, al->addr, stdout,
1950                                          &thread->srccode_state))
1951                         printf("\n");
1952         }
1953
1954         if (PRINT_FIELD(METRIC))
1955                 perf_sample__fprint_metric(script, thread, evsel, sample, fp);
1956
1957         if (verbose)
1958                 fflush(fp);
1959 }
1960
1961 static struct scripting_ops     *scripting_ops;
1962
1963 static void __process_stat(struct evsel *counter, u64 tstamp)
1964 {
1965         int nthreads = perf_thread_map__nr(counter->core.threads);
1966         int ncpus = evsel__nr_cpus(counter);
1967         int cpu, thread;
1968         static int header_printed;
1969
1970         if (counter->core.system_wide)
1971                 nthreads = 1;
1972
1973         if (!header_printed) {
1974                 printf("%3s %8s %15s %15s %15s %15s %s\n",
1975                        "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
1976                 header_printed = 1;
1977         }
1978
1979         for (thread = 0; thread < nthreads; thread++) {
1980                 for (cpu = 0; cpu < ncpus; cpu++) {
1981                         struct perf_counts_values *counts;
1982
1983                         counts = perf_counts(counter->counts, cpu, thread);
1984
1985                         printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
1986                                 counter->core.cpus->map[cpu],
1987                                 perf_thread_map__pid(counter->core.threads, thread),
1988                                 counts->val,
1989                                 counts->ena,
1990                                 counts->run,
1991                                 tstamp,
1992                                 evsel__name(counter));
1993                 }
1994         }
1995 }
1996
1997 static void process_stat(struct evsel *counter, u64 tstamp)
1998 {
1999         if (scripting_ops && scripting_ops->process_stat)
2000                 scripting_ops->process_stat(&stat_config, counter, tstamp);
2001         else
2002                 __process_stat(counter, tstamp);
2003 }
2004
2005 static void process_stat_interval(u64 tstamp)
2006 {
2007         if (scripting_ops && scripting_ops->process_stat_interval)
2008                 scripting_ops->process_stat_interval(tstamp);
2009 }
2010
2011 static void setup_scripting(void)
2012 {
2013         setup_perl_scripting();
2014         setup_python_scripting();
2015 }
2016
2017 static int flush_scripting(void)
2018 {
2019         return scripting_ops ? scripting_ops->flush_script() : 0;
2020 }
2021
2022 static int cleanup_scripting(void)
2023 {
2024         pr_debug("\nperf script stopped\n");
2025
2026         return scripting_ops ? scripting_ops->stop_script() : 0;
2027 }
2028
2029 static bool filter_cpu(struct perf_sample *sample)
2030 {
2031         if (cpu_list && sample->cpu != (u32)-1)
2032                 return !test_bit(sample->cpu, cpu_bitmap);
2033         return false;
2034 }
2035
2036 static int process_sample_event(struct perf_tool *tool,
2037                                 union perf_event *event,
2038                                 struct perf_sample *sample,
2039                                 struct evsel *evsel,
2040                                 struct machine *machine)
2041 {
2042         struct perf_script *scr = container_of(tool, struct perf_script, tool);
2043         struct addr_location al;
2044
2045         if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
2046                                           sample->time)) {
2047                 return 0;
2048         }
2049
2050         if (debug_mode) {
2051                 if (sample->time < last_timestamp) {
2052                         pr_err("Samples misordered, previous: %" PRIu64
2053                                 " this: %" PRIu64 "\n", last_timestamp,
2054                                 sample->time);
2055                         nr_unordered++;
2056                 }
2057                 last_timestamp = sample->time;
2058                 return 0;
2059         }
2060
2061         if (machine__resolve(machine, &al, sample) < 0) {
2062                 pr_err("problem processing %d event, skipping it.\n",
2063                        event->header.type);
2064                 return -1;
2065         }
2066
2067         if (al.filtered)
2068                 goto out_put;
2069
2070         if (filter_cpu(sample))
2071                 goto out_put;
2072
2073         if (scripting_ops)
2074                 scripting_ops->process_event(event, sample, evsel, &al);
2075         else
2076                 process_event(scr, sample, evsel, &al, machine);
2077
2078 out_put:
2079         addr_location__put(&al);
2080         return 0;
2081 }
2082
2083 static int process_attr(struct perf_tool *tool, union perf_event *event,
2084                         struct evlist **pevlist)
2085 {
2086         struct perf_script *scr = container_of(tool, struct perf_script, tool);
2087         struct evlist *evlist;
2088         struct evsel *evsel, *pos;
2089         u64 sample_type;
2090         int err;
2091         static struct evsel_script *es;
2092
2093         err = perf_event__process_attr(tool, event, pevlist);
2094         if (err)
2095                 return err;
2096
2097         evlist = *pevlist;
2098         evsel = evlist__last(*pevlist);
2099
2100         if (!evsel->priv) {
2101                 if (scr->per_event_dump) {
2102                         evsel->priv = perf_evsel_script__new(evsel,
2103                                                 scr->session->data);
2104                 } else {
2105                         es = zalloc(sizeof(*es));
2106                         if (!es)
2107                                 return -ENOMEM;
2108                         es->fp = stdout;
2109                         evsel->priv = es;
2110                 }
2111         }
2112
2113         if (evsel->core.attr.type >= PERF_TYPE_MAX &&
2114             evsel->core.attr.type != PERF_TYPE_SYNTH)
2115                 return 0;
2116
2117         evlist__for_each_entry(evlist, pos) {
2118                 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel)
2119                         return 0;
2120         }
2121
2122         if (evsel->core.attr.sample_type) {
2123                 err = perf_evsel__check_attr(evsel, scr->session);
2124                 if (err)
2125                         return err;
2126         }
2127
2128         /*
2129          * Check if we need to enable callchains based
2130          * on events sample_type.
2131          */
2132         sample_type = perf_evlist__combined_sample_type(evlist);
2133         callchain_param_setup(sample_type);
2134
2135         /* Enable fields for callchain entries */
2136         if (symbol_conf.use_callchain &&
2137             (sample_type & PERF_SAMPLE_CALLCHAIN ||
2138              sample_type & PERF_SAMPLE_BRANCH_STACK ||
2139              (sample_type & PERF_SAMPLE_REGS_USER &&
2140               sample_type & PERF_SAMPLE_STACK_USER))) {
2141                 int type = output_type(evsel->core.attr.type);
2142
2143                 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP))
2144                         output[type].fields |= PERF_OUTPUT_IP;
2145                 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM))
2146                         output[type].fields |= PERF_OUTPUT_SYM;
2147         }
2148         set_print_ip_opts(&evsel->core.attr);
2149         return 0;
2150 }
2151
2152 static int print_event_with_time(struct perf_tool *tool,
2153                                  union perf_event *event,
2154                                  struct perf_sample *sample,
2155                                  struct machine *machine,
2156                                  pid_t pid, pid_t tid, u64 timestamp)
2157 {
2158         struct perf_script *script = container_of(tool, struct perf_script, tool);
2159         struct perf_session *session = script->session;
2160         struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2161         struct thread *thread = NULL;
2162
2163         if (evsel && !evsel->core.attr.sample_id_all) {
2164                 sample->cpu = 0;
2165                 sample->time = timestamp;
2166                 sample->pid = pid;
2167                 sample->tid = tid;
2168         }
2169
2170         if (filter_cpu(sample))
2171                 return 0;
2172
2173         if (tid != -1)
2174                 thread = machine__findnew_thread(machine, pid, tid);
2175
2176         if (thread && evsel) {
2177                 perf_sample__fprintf_start(sample, thread, evsel,
2178                                            event->header.type, stdout);
2179         }
2180
2181         perf_event__fprintf(event, stdout);
2182
2183         thread__put(thread);
2184
2185         return 0;
2186 }
2187
2188 static int print_event(struct perf_tool *tool, union perf_event *event,
2189                        struct perf_sample *sample, struct machine *machine,
2190                        pid_t pid, pid_t tid)
2191 {
2192         return print_event_with_time(tool, event, sample, machine, pid, tid, 0);
2193 }
2194
2195 static int process_comm_event(struct perf_tool *tool,
2196                               union perf_event *event,
2197                               struct perf_sample *sample,
2198                               struct machine *machine)
2199 {
2200         if (perf_event__process_comm(tool, event, sample, machine) < 0)
2201                 return -1;
2202
2203         return print_event(tool, event, sample, machine, event->comm.pid,
2204                            event->comm.tid);
2205 }
2206
2207 static int process_namespaces_event(struct perf_tool *tool,
2208                                     union perf_event *event,
2209                                     struct perf_sample *sample,
2210                                     struct machine *machine)
2211 {
2212         if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
2213                 return -1;
2214
2215         return print_event(tool, event, sample, machine, event->namespaces.pid,
2216                            event->namespaces.tid);
2217 }
2218
2219 static int process_cgroup_event(struct perf_tool *tool,
2220                                 union perf_event *event,
2221                                 struct perf_sample *sample,
2222                                 struct machine *machine)
2223 {
2224         if (perf_event__process_cgroup(tool, event, sample, machine) < 0)
2225                 return -1;
2226
2227         return print_event(tool, event, sample, machine, sample->pid,
2228                             sample->tid);
2229 }
2230
2231 static int process_fork_event(struct perf_tool *tool,
2232                               union perf_event *event,
2233                               struct perf_sample *sample,
2234                               struct machine *machine)
2235 {
2236         if (perf_event__process_fork(tool, event, sample, machine) < 0)
2237                 return -1;
2238
2239         return print_event_with_time(tool, event, sample, machine,
2240                                      event->fork.pid, event->fork.tid,
2241                                      event->fork.time);
2242 }
2243 static int process_exit_event(struct perf_tool *tool,
2244                               union perf_event *event,
2245                               struct perf_sample *sample,
2246                               struct machine *machine)
2247 {
2248         /* Print before 'exit' deletes anything */
2249         if (print_event_with_time(tool, event, sample, machine, event->fork.pid,
2250                                   event->fork.tid, event->fork.time))
2251                 return -1;
2252
2253         return perf_event__process_exit(tool, event, sample, machine);
2254 }
2255
2256 static int process_mmap_event(struct perf_tool *tool,
2257                               union perf_event *event,
2258                               struct perf_sample *sample,
2259                               struct machine *machine)
2260 {
2261         if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2262                 return -1;
2263
2264         return print_event(tool, event, sample, machine, event->mmap.pid,
2265                            event->mmap.tid);
2266 }
2267
2268 static int process_mmap2_event(struct perf_tool *tool,
2269                               union perf_event *event,
2270                               struct perf_sample *sample,
2271                               struct machine *machine)
2272 {
2273         if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2274                 return -1;
2275
2276         return print_event(tool, event, sample, machine, event->mmap2.pid,
2277                            event->mmap2.tid);
2278 }
2279
2280 static int process_switch_event(struct perf_tool *tool,
2281                                 union perf_event *event,
2282                                 struct perf_sample *sample,
2283                                 struct machine *machine)
2284 {
2285         struct perf_script *script = container_of(tool, struct perf_script, tool);
2286
2287         if (perf_event__process_switch(tool, event, sample, machine) < 0)
2288                 return -1;
2289
2290         if (scripting_ops && scripting_ops->process_switch)
2291                 scripting_ops->process_switch(event, sample, machine);
2292
2293         if (!script->show_switch_events)
2294                 return 0;
2295
2296         return print_event(tool, event, sample, machine, sample->pid,
2297                            sample->tid);
2298 }
2299
2300 static int
2301 process_lost_event(struct perf_tool *tool,
2302                    union perf_event *event,
2303                    struct perf_sample *sample,
2304                    struct machine *machine)
2305 {
2306         return print_event(tool, event, sample, machine, sample->pid,
2307                            sample->tid);
2308 }
2309
2310 static int
2311 process_finished_round_event(struct perf_tool *tool __maybe_unused,
2312                              union perf_event *event,
2313                              struct ordered_events *oe __maybe_unused)
2314
2315 {
2316         perf_event__fprintf(event, stdout);
2317         return 0;
2318 }
2319
2320 static int
2321 process_bpf_events(struct perf_tool *tool __maybe_unused,
2322                    union perf_event *event,
2323                    struct perf_sample *sample,
2324                    struct machine *machine)
2325 {
2326         if (machine__process_ksymbol(machine, event, sample) < 0)
2327                 return -1;
2328
2329         return print_event(tool, event, sample, machine, sample->pid,
2330                            sample->tid);
2331 }
2332
2333 static void sig_handler(int sig __maybe_unused)
2334 {
2335         session_done = 1;
2336 }
2337
2338 static void perf_script__fclose_per_event_dump(struct perf_script *script)
2339 {
2340         struct evlist *evlist = script->session->evlist;
2341         struct evsel *evsel;
2342
2343         evlist__for_each_entry(evlist, evsel) {
2344                 if (!evsel->priv)
2345                         break;
2346                 perf_evsel_script__delete(evsel->priv);
2347                 evsel->priv = NULL;
2348         }
2349 }
2350
2351 static int perf_script__fopen_per_event_dump(struct perf_script *script)
2352 {
2353         struct evsel *evsel;
2354
2355         evlist__for_each_entry(script->session->evlist, evsel) {
2356                 /*
2357                  * Already setup? I.e. we may be called twice in cases like
2358                  * Intel PT, one for the intel_pt// and dummy events, then
2359                  * for the evsels syntheized from the auxtrace info.
2360                  *
2361                  * Ses perf_script__process_auxtrace_info.
2362                  */
2363                 if (evsel->priv != NULL)
2364                         continue;
2365
2366                 evsel->priv = perf_evsel_script__new(evsel, script->session->data);
2367                 if (evsel->priv == NULL)
2368                         goto out_err_fclose;
2369         }
2370
2371         return 0;
2372
2373 out_err_fclose:
2374         perf_script__fclose_per_event_dump(script);
2375         return -1;
2376 }
2377
2378 static int perf_script__setup_per_event_dump(struct perf_script *script)
2379 {
2380         struct evsel *evsel;
2381         static struct evsel_script es_stdout;
2382
2383         if (script->per_event_dump)
2384                 return perf_script__fopen_per_event_dump(script);
2385
2386         es_stdout.fp = stdout;
2387
2388         evlist__for_each_entry(script->session->evlist, evsel)
2389                 evsel->priv = &es_stdout;
2390
2391         return 0;
2392 }
2393
2394 static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2395 {
2396         struct evsel *evsel;
2397
2398         evlist__for_each_entry(script->session->evlist, evsel) {
2399                 struct evsel_script *es = evsel->priv;
2400
2401                 perf_evsel_script__fprintf(es, stdout);
2402                 perf_evsel_script__delete(es);
2403                 evsel->priv = NULL;
2404         }
2405 }
2406
2407 static int __cmd_script(struct perf_script *script)
2408 {
2409         int ret;
2410
2411         signal(SIGINT, sig_handler);
2412
2413         perf_stat__init_shadow_stats();
2414
2415         /* override event processing functions */
2416         if (script->show_task_events) {
2417                 script->tool.comm = process_comm_event;
2418                 script->tool.fork = process_fork_event;
2419                 script->tool.exit = process_exit_event;
2420         }
2421         if (script->show_mmap_events) {
2422                 script->tool.mmap = process_mmap_event;
2423                 script->tool.mmap2 = process_mmap2_event;
2424         }
2425         if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch))
2426                 script->tool.context_switch = process_switch_event;
2427         if (script->show_namespace_events)
2428                 script->tool.namespaces = process_namespaces_event;
2429         if (script->show_cgroup_events)
2430                 script->tool.cgroup = process_cgroup_event;
2431         if (script->show_lost_events)
2432                 script->tool.lost = process_lost_event;
2433         if (script->show_round_events) {
2434                 script->tool.ordered_events = false;
2435                 script->tool.finished_round = process_finished_round_event;
2436         }
2437         if (script->show_bpf_events) {
2438                 script->tool.ksymbol = process_bpf_events;
2439                 script->tool.bpf     = process_bpf_events;
2440         }
2441
2442         if (perf_script__setup_per_event_dump(script)) {
2443                 pr_err("Couldn't create the per event dump files\n");
2444                 return -1;
2445         }
2446
2447         ret = perf_session__process_events(script->session);
2448
2449         if (script->per_event_dump)
2450                 perf_script__exit_per_event_dump_stats(script);
2451
2452         if (debug_mode)
2453                 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2454
2455         return ret;
2456 }
2457
2458 struct script_spec {
2459         struct list_head        node;
2460         struct scripting_ops    *ops;
2461         char                    spec[];
2462 };
2463
2464 static LIST_HEAD(script_specs);
2465
2466 static struct script_spec *script_spec__new(const char *spec,
2467                                             struct scripting_ops *ops)
2468 {
2469         struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2470
2471         if (s != NULL) {
2472                 strcpy(s->spec, spec);
2473                 s->ops = ops;
2474         }
2475
2476         return s;
2477 }
2478
2479 static void script_spec__add(struct script_spec *s)
2480 {
2481         list_add_tail(&s->node, &script_specs);
2482 }
2483
2484 static struct script_spec *script_spec__find(const char *spec)
2485 {
2486         struct script_spec *s;
2487
2488         list_for_each_entry(s, &script_specs, node)
2489                 if (strcasecmp(s->spec, spec) == 0)
2490                         return s;
2491         return NULL;
2492 }
2493
2494 int script_spec_register(const char *spec, struct scripting_ops *ops)
2495 {
2496         struct script_spec *s;
2497
2498         s = script_spec__find(spec);
2499         if (s)
2500                 return -1;
2501
2502         s = script_spec__new(spec, ops);
2503         if (!s)
2504                 return -1;
2505         else
2506                 script_spec__add(s);
2507
2508         return 0;
2509 }
2510
2511 static struct scripting_ops *script_spec__lookup(const char *spec)
2512 {
2513         struct script_spec *s = script_spec__find(spec);
2514         if (!s)
2515                 return NULL;
2516
2517         return s->ops;
2518 }
2519
2520 static void list_available_languages(void)
2521 {
2522         struct script_spec *s;
2523
2524         fprintf(stderr, "\n");
2525         fprintf(stderr, "Scripting language extensions (used in "
2526                 "perf script -s [spec:]script.[spec]):\n\n");
2527
2528         list_for_each_entry(s, &script_specs, node)
2529                 fprintf(stderr, "  %-42s [%s]\n", s->spec, s->ops->name);
2530
2531         fprintf(stderr, "\n");
2532 }
2533
2534 static int parse_scriptname(const struct option *opt __maybe_unused,
2535                             const char *str, int unset __maybe_unused)
2536 {
2537         char spec[PATH_MAX];
2538         const char *script, *ext;
2539         int len;
2540
2541         if (strcmp(str, "lang") == 0) {
2542                 list_available_languages();
2543                 exit(0);
2544         }
2545
2546         script = strchr(str, ':');
2547         if (script) {
2548                 len = script - str;
2549                 if (len >= PATH_MAX) {
2550                         fprintf(stderr, "invalid language specifier");
2551                         return -1;
2552                 }
2553                 strncpy(spec, str, len);
2554                 spec[len] = '\0';
2555                 scripting_ops = script_spec__lookup(spec);
2556                 if (!scripting_ops) {
2557                         fprintf(stderr, "invalid language specifier");
2558                         return -1;
2559                 }
2560                 script++;
2561         } else {
2562                 script = str;
2563                 ext = strrchr(script, '.');
2564                 if (!ext) {
2565                         fprintf(stderr, "invalid script extension");
2566                         return -1;
2567                 }
2568                 scripting_ops = script_spec__lookup(++ext);
2569                 if (!scripting_ops) {
2570                         fprintf(stderr, "invalid script extension");
2571                         return -1;
2572                 }
2573         }
2574
2575         script_name = strdup(script);
2576
2577         return 0;
2578 }
2579
2580 static int parse_output_fields(const struct option *opt __maybe_unused,
2581                             const char *arg, int unset __maybe_unused)
2582 {
2583         char *tok, *strtok_saveptr = NULL;
2584         int i, imax = ARRAY_SIZE(all_output_options);
2585         int j;
2586         int rc = 0;
2587         char *str = strdup(arg);
2588         int type = -1;
2589         enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
2590
2591         if (!str)
2592                 return -ENOMEM;
2593
2594         /* first word can state for which event type the user is specifying
2595          * the fields. If no type exists, the specified fields apply to all
2596          * event types found in the file minus the invalid fields for a type.
2597          */
2598         tok = strchr(str, ':');
2599         if (tok) {
2600                 *tok = '\0';
2601                 tok++;
2602                 if (!strcmp(str, "hw"))
2603                         type = PERF_TYPE_HARDWARE;
2604                 else if (!strcmp(str, "sw"))
2605                         type = PERF_TYPE_SOFTWARE;
2606                 else if (!strcmp(str, "trace"))
2607                         type = PERF_TYPE_TRACEPOINT;
2608                 else if (!strcmp(str, "raw"))
2609                         type = PERF_TYPE_RAW;
2610                 else if (!strcmp(str, "break"))
2611                         type = PERF_TYPE_BREAKPOINT;
2612                 else if (!strcmp(str, "synth"))
2613                         type = OUTPUT_TYPE_SYNTH;
2614                 else {
2615                         fprintf(stderr, "Invalid event type in field string.\n");
2616                         rc = -EINVAL;
2617                         goto out;
2618                 }
2619
2620                 if (output[type].user_set)
2621                         pr_warning("Overriding previous field request for %s events.\n",
2622                                    event_type(type));
2623
2624                 /* Don't override defaults for +- */
2625                 if (strchr(tok, '+') || strchr(tok, '-'))
2626                         goto parse;
2627
2628                 output[type].fields = 0;
2629                 output[type].user_set = true;
2630                 output[type].wildcard_set = false;
2631
2632         } else {
2633                 tok = str;
2634                 if (strlen(str) == 0) {
2635                         fprintf(stderr,
2636                                 "Cannot set fields to 'none' for all event types.\n");
2637                         rc = -EINVAL;
2638                         goto out;
2639                 }
2640
2641                 /* Don't override defaults for +- */
2642                 if (strchr(str, '+') || strchr(str, '-'))
2643                         goto parse;
2644
2645                 if (output_set_by_user())
2646                         pr_warning("Overriding previous field request for all events.\n");
2647
2648                 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2649                         output[j].fields = 0;
2650                         output[j].user_set = true;
2651                         output[j].wildcard_set = true;
2652                 }
2653         }
2654
2655 parse:
2656         for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
2657                 if (*tok == '+') {
2658                         if (change == SET)
2659                                 goto out_badmix;
2660                         change = ADD;
2661                         tok++;
2662                 } else if (*tok == '-') {
2663                         if (change == SET)
2664                                 goto out_badmix;
2665                         change = REMOVE;
2666                         tok++;
2667                 } else {
2668                         if (change != SET && change != DEFAULT)
2669                                 goto out_badmix;
2670                         change = SET;
2671                 }
2672
2673                 for (i = 0; i < imax; ++i) {
2674                         if (strcmp(tok, all_output_options[i].str) == 0)
2675                                 break;
2676                 }
2677                 if (i == imax && strcmp(tok, "flags") == 0) {
2678                         print_flags = change == REMOVE ? false : true;
2679                         continue;
2680                 }
2681                 if (i == imax) {
2682                         fprintf(stderr, "Invalid field requested.\n");
2683                         rc = -EINVAL;
2684                         goto out;
2685                 }
2686
2687                 if (type == -1) {
2688                         /* add user option to all events types for
2689                          * which it is valid
2690                          */
2691                         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2692                                 if (output[j].invalid_fields & all_output_options[i].field) {
2693                                         pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
2694                                                    all_output_options[i].str, event_type(j));
2695                                 } else {
2696                                         if (change == REMOVE) {
2697                                                 output[j].fields &= ~all_output_options[i].field;
2698                                                 output[j].user_set_fields &= ~all_output_options[i].field;
2699                                                 output[j].user_unset_fields |= all_output_options[i].field;
2700                                         } else {
2701                                                 output[j].fields |= all_output_options[i].field;
2702                                                 output[j].user_set_fields |= all_output_options[i].field;
2703                                                 output[j].user_unset_fields &= ~all_output_options[i].field;
2704                                         }
2705                                         output[j].user_set = true;
2706                                         output[j].wildcard_set = true;
2707                                 }
2708                         }
2709                 } else {
2710                         if (output[type].invalid_fields & all_output_options[i].field) {
2711                                 fprintf(stderr, "\'%s\' not valid for %s events.\n",
2712                                          all_output_options[i].str, event_type(type));
2713
2714                                 rc = -EINVAL;
2715                                 goto out;
2716                         }
2717                         if (change == REMOVE)
2718                                 output[type].fields &= ~all_output_options[i].field;
2719                         else
2720                                 output[type].fields |= all_output_options[i].field;
2721                         output[type].user_set = true;
2722                         output[type].wildcard_set = true;
2723                 }
2724         }
2725
2726         if (type >= 0) {
2727                 if (output[type].fields == 0) {
2728                         pr_debug("No fields requested for %s type. "
2729                                  "Events will not be displayed.\n", event_type(type));
2730                 }
2731         }
2732         goto out;
2733
2734 out_badmix:
2735         fprintf(stderr, "Cannot mix +-field with overridden fields\n");
2736         rc = -EINVAL;
2737 out:
2738         free(str);
2739         return rc;
2740 }
2741
2742 #define for_each_lang(scripts_path, scripts_dir, lang_dirent)           \
2743         while ((lang_dirent = readdir(scripts_dir)) != NULL)            \
2744                 if ((lang_dirent->d_type == DT_DIR ||                   \
2745                      (lang_dirent->d_type == DT_UNKNOWN &&              \
2746                       is_directory(scripts_path, lang_dirent))) &&      \
2747                     (strcmp(lang_dirent->d_name, ".")) &&               \
2748                     (strcmp(lang_dirent->d_name, "..")))
2749
2750 #define for_each_script(lang_path, lang_dir, script_dirent)             \
2751         while ((script_dirent = readdir(lang_dir)) != NULL)             \
2752                 if (script_dirent->d_type != DT_DIR &&                  \
2753                     (script_dirent->d_type != DT_UNKNOWN ||             \
2754                      !is_directory(lang_path, script_dirent)))
2755
2756
2757 #define RECORD_SUFFIX                   "-record"
2758 #define REPORT_SUFFIX                   "-report"
2759
2760 struct script_desc {
2761         struct list_head        node;
2762         char                    *name;
2763         char                    *half_liner;
2764         char                    *args;
2765 };
2766
2767 static LIST_HEAD(script_descs);
2768
2769 static struct script_desc *script_desc__new(const char *name)
2770 {
2771         struct script_desc *s = zalloc(sizeof(*s));
2772
2773         if (s != NULL && name)
2774                 s->name = strdup(name);
2775
2776         return s;
2777 }
2778
2779 static void script_desc__delete(struct script_desc *s)
2780 {
2781         zfree(&s->name);
2782         zfree(&s->half_liner);
2783         zfree(&s->args);
2784         free(s);
2785 }
2786
2787 static void script_desc__add(struct script_desc *s)
2788 {
2789         list_add_tail(&s->node, &script_descs);
2790 }
2791
2792 static struct script_desc *script_desc__find(const char *name)
2793 {
2794         struct script_desc *s;
2795
2796         list_for_each_entry(s, &script_descs, node)
2797                 if (strcasecmp(s->name, name) == 0)
2798                         return s;
2799         return NULL;
2800 }
2801
2802 static struct script_desc *script_desc__findnew(const char *name)
2803 {
2804         struct script_desc *s = script_desc__find(name);
2805
2806         if (s)
2807                 return s;
2808
2809         s = script_desc__new(name);
2810         if (!s)
2811                 return NULL;
2812
2813         script_desc__add(s);
2814
2815         return s;
2816 }
2817
2818 static const char *ends_with(const char *str, const char *suffix)
2819 {
2820         size_t suffix_len = strlen(suffix);
2821         const char *p = str;
2822
2823         if (strlen(str) > suffix_len) {
2824                 p = str + strlen(str) - suffix_len;
2825                 if (!strncmp(p, suffix, suffix_len))
2826                         return p;
2827         }
2828
2829         return NULL;
2830 }
2831
2832 static int read_script_info(struct script_desc *desc, const char *filename)
2833 {
2834         char line[BUFSIZ], *p;
2835         FILE *fp;
2836
2837         fp = fopen(filename, "r");
2838         if (!fp)
2839                 return -1;
2840
2841         while (fgets(line, sizeof(line), fp)) {
2842                 p = skip_spaces(line);
2843                 if (strlen(p) == 0)
2844                         continue;
2845                 if (*p != '#')
2846                         continue;
2847                 p++;
2848                 if (strlen(p) && *p == '!')
2849                         continue;
2850
2851                 p = skip_spaces(p);
2852                 if (strlen(p) && p[strlen(p) - 1] == '\n')
2853                         p[strlen(p) - 1] = '\0';
2854
2855                 if (!strncmp(p, "description:", strlen("description:"))) {
2856                         p += strlen("description:");
2857                         desc->half_liner = strdup(skip_spaces(p));
2858                         continue;
2859                 }
2860
2861                 if (!strncmp(p, "args:", strlen("args:"))) {
2862                         p += strlen("args:");
2863                         desc->args = strdup(skip_spaces(p));
2864                         continue;
2865                 }
2866         }
2867
2868         fclose(fp);
2869
2870         return 0;
2871 }
2872
2873 static char *get_script_root(struct dirent *script_dirent, const char *suffix)
2874 {
2875         char *script_root, *str;
2876
2877         script_root = strdup(script_dirent->d_name);
2878         if (!script_root)
2879                 return NULL;
2880
2881         str = (char *)ends_with(script_root, suffix);
2882         if (!str) {
2883                 free(script_root);
2884                 return NULL;
2885         }
2886
2887         *str = '\0';
2888         return script_root;
2889 }
2890
2891 static int list_available_scripts(const struct option *opt __maybe_unused,
2892                                   const char *s __maybe_unused,
2893                                   int unset __maybe_unused)
2894 {
2895         struct dirent *script_dirent, *lang_dirent;
2896         char scripts_path[MAXPATHLEN];
2897         DIR *scripts_dir, *lang_dir;
2898         char script_path[MAXPATHLEN];
2899         char lang_path[MAXPATHLEN];
2900         struct script_desc *desc;
2901         char first_half[BUFSIZ];
2902         char *script_root;
2903
2904         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2905
2906         scripts_dir = opendir(scripts_path);
2907         if (!scripts_dir) {
2908                 fprintf(stdout,
2909                         "open(%s) failed.\n"
2910                         "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
2911                         scripts_path);
2912                 exit(-1);
2913         }
2914
2915         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2916                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
2917                           lang_dirent->d_name);
2918                 lang_dir = opendir(lang_path);
2919                 if (!lang_dir)
2920                         continue;
2921
2922                 for_each_script(lang_path, lang_dir, script_dirent) {
2923                         script_root = get_script_root(script_dirent, REPORT_SUFFIX);
2924                         if (script_root) {
2925                                 desc = script_desc__findnew(script_root);
2926                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
2927                                           lang_path, script_dirent->d_name);
2928                                 read_script_info(desc, script_path);
2929                                 free(script_root);
2930                         }
2931                 }
2932         }
2933
2934         fprintf(stdout, "List of available trace scripts:\n");
2935         list_for_each_entry(desc, &script_descs, node) {
2936                 sprintf(first_half, "%s %s", desc->name,
2937                         desc->args ? desc->args : "");
2938                 fprintf(stdout, "  %-36s %s\n", first_half,
2939                         desc->half_liner ? desc->half_liner : "");
2940         }
2941
2942         exit(0);
2943 }
2944
2945 /*
2946  * Some scripts specify the required events in their "xxx-record" file,
2947  * this function will check if the events in perf.data match those
2948  * mentioned in the "xxx-record".
2949  *
2950  * Fixme: All existing "xxx-record" are all in good formats "-e event ",
2951  * which is covered well now. And new parsing code should be added to
2952  * cover the future complexing formats like event groups etc.
2953  */
2954 static int check_ev_match(char *dir_name, char *scriptname,
2955                         struct perf_session *session)
2956 {
2957         char filename[MAXPATHLEN], evname[128];
2958         char line[BUFSIZ], *p;
2959         struct evsel *pos;
2960         int match, len;
2961         FILE *fp;
2962
2963         scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
2964
2965         fp = fopen(filename, "r");
2966         if (!fp)
2967                 return -1;
2968
2969         while (fgets(line, sizeof(line), fp)) {
2970                 p = skip_spaces(line);
2971                 if (*p == '#')
2972                         continue;
2973
2974                 while (strlen(p)) {
2975                         p = strstr(p, "-e");
2976                         if (!p)
2977                                 break;
2978
2979                         p += 2;
2980                         p = skip_spaces(p);
2981                         len = strcspn(p, " \t");
2982                         if (!len)
2983                                 break;
2984
2985                         snprintf(evname, len + 1, "%s", p);
2986
2987                         match = 0;
2988                         evlist__for_each_entry(session->evlist, pos) {
2989                                 if (!strcmp(evsel__name(pos), evname)) {
2990                                         match = 1;
2991                                         break;
2992                                 }
2993                         }
2994
2995                         if (!match) {
2996                                 fclose(fp);
2997                                 return -1;
2998                         }
2999                 }
3000         }
3001
3002         fclose(fp);
3003         return 0;
3004 }
3005
3006 /*
3007  * Return -1 if none is found, otherwise the actual scripts number.
3008  *
3009  * Currently the only user of this function is the script browser, which
3010  * will list all statically runnable scripts, select one, execute it and
3011  * show the output in a perf browser.
3012  */
3013 int find_scripts(char **scripts_array, char **scripts_path_array, int num,
3014                  int pathlen)
3015 {
3016         struct dirent *script_dirent, *lang_dirent;
3017         char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
3018         DIR *scripts_dir, *lang_dir;
3019         struct perf_session *session;
3020         struct perf_data data = {
3021                 .path = input_name,
3022                 .mode = PERF_DATA_MODE_READ,
3023         };
3024         char *temp;
3025         int i = 0;
3026
3027         session = perf_session__new(&data, false, NULL);
3028         if (IS_ERR(session))
3029                 return PTR_ERR(session);
3030
3031         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3032
3033         scripts_dir = opendir(scripts_path);
3034         if (!scripts_dir) {
3035                 perf_session__delete(session);
3036                 return -1;
3037         }
3038
3039         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3040                 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
3041                           lang_dirent->d_name);
3042 #ifndef HAVE_LIBPERL_SUPPORT
3043                 if (strstr(lang_path, "perl"))
3044                         continue;
3045 #endif
3046 #ifndef HAVE_LIBPYTHON_SUPPORT
3047                 if (strstr(lang_path, "python"))
3048                         continue;
3049 #endif
3050
3051                 lang_dir = opendir(lang_path);
3052                 if (!lang_dir)
3053                         continue;
3054
3055                 for_each_script(lang_path, lang_dir, script_dirent) {
3056                         /* Skip those real time scripts: xxxtop.p[yl] */
3057                         if (strstr(script_dirent->d_name, "top."))
3058                                 continue;
3059                         if (i >= num)
3060                                 break;
3061                         snprintf(scripts_path_array[i], pathlen, "%s/%s",
3062                                 lang_path,
3063                                 script_dirent->d_name);
3064                         temp = strchr(script_dirent->d_name, '.');
3065                         snprintf(scripts_array[i],
3066                                 (temp - script_dirent->d_name) + 1,
3067                                 "%s", script_dirent->d_name);
3068
3069                         if (check_ev_match(lang_path,
3070                                         scripts_array[i], session))
3071                                 continue;
3072
3073                         i++;
3074                 }
3075                 closedir(lang_dir);
3076         }
3077
3078         closedir(scripts_dir);
3079         perf_session__delete(session);
3080         return i;
3081 }
3082
3083 static char *get_script_path(const char *script_root, const char *suffix)
3084 {
3085         struct dirent *script_dirent, *lang_dirent;
3086         char scripts_path[MAXPATHLEN];
3087         char script_path[MAXPATHLEN];
3088         DIR *scripts_dir, *lang_dir;
3089         char lang_path[MAXPATHLEN];
3090         char *__script_root;
3091
3092         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3093
3094         scripts_dir = opendir(scripts_path);
3095         if (!scripts_dir)
3096                 return NULL;
3097
3098         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3099                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3100                           lang_dirent->d_name);
3101                 lang_dir = opendir(lang_path);
3102                 if (!lang_dir)
3103                         continue;
3104
3105                 for_each_script(lang_path, lang_dir, script_dirent) {
3106                         __script_root = get_script_root(script_dirent, suffix);
3107                         if (__script_root && !strcmp(script_root, __script_root)) {
3108                                 free(__script_root);
3109                                 closedir(scripts_dir);
3110                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3111                                           lang_path, script_dirent->d_name);
3112                                 closedir(lang_dir);
3113                                 return strdup(script_path);
3114                         }
3115                         free(__script_root);
3116                 }
3117                 closedir(lang_dir);
3118         }
3119         closedir(scripts_dir);
3120
3121         return NULL;
3122 }
3123
3124 static bool is_top_script(const char *script_path)
3125 {
3126         return ends_with(script_path, "top") == NULL ? false : true;
3127 }
3128
3129 static int has_required_arg(char *script_path)
3130 {
3131         struct script_desc *desc;
3132         int n_args = 0;
3133         char *p;
3134
3135         desc = script_desc__new(NULL);
3136
3137         if (read_script_info(desc, script_path))
3138                 goto out;
3139
3140         if (!desc->args)
3141                 goto out;
3142
3143         for (p = desc->args; *p; p++)
3144                 if (*p == '<')
3145                         n_args++;
3146 out:
3147         script_desc__delete(desc);
3148
3149         return n_args;
3150 }
3151
3152 static int have_cmd(int argc, const char **argv)
3153 {
3154         char **__argv = malloc(sizeof(const char *) * argc);
3155
3156         if (!__argv) {
3157                 pr_err("malloc failed\n");
3158                 return -1;
3159         }
3160
3161         memcpy(__argv, argv, sizeof(const char *) * argc);
3162         argc = parse_options(argc, (const char **)__argv, record_options,
3163                              NULL, PARSE_OPT_STOP_AT_NON_OPTION);
3164         free(__argv);
3165
3166         system_wide = (argc == 0);
3167
3168         return 0;
3169 }
3170
3171 static void script__setup_sample_type(struct perf_script *script)
3172 {
3173         struct perf_session *session = script->session;
3174         u64 sample_type = perf_evlist__combined_sample_type(session->evlist);
3175
3176         if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
3177                 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
3178                     (sample_type & PERF_SAMPLE_STACK_USER)) {
3179                         callchain_param.record_mode = CALLCHAIN_DWARF;
3180                         dwarf_callchain_users = true;
3181                 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
3182                         callchain_param.record_mode = CALLCHAIN_LBR;
3183                 else
3184                         callchain_param.record_mode = CALLCHAIN_FP;
3185         }
3186
3187         if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) {
3188                 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
3189                            "Please apply --call-graph lbr when recording.\n");
3190                 script->stitch_lbr = false;
3191         }
3192 }
3193
3194 static int process_stat_round_event(struct perf_session *session,
3195                                     union perf_event *event)
3196 {
3197         struct perf_record_stat_round *round = &event->stat_round;
3198         struct evsel *counter;
3199
3200         evlist__for_each_entry(session->evlist, counter) {
3201                 perf_stat_process_counter(&stat_config, counter);
3202                 process_stat(counter, round->time);
3203         }
3204
3205         process_stat_interval(round->time);
3206         return 0;
3207 }
3208
3209 static int process_stat_config_event(struct perf_session *session __maybe_unused,
3210                                      union perf_event *event)
3211 {
3212         perf_event__read_stat_config(&stat_config, &event->stat_config);
3213         return 0;
3214 }
3215
3216 static int set_maps(struct perf_script *script)
3217 {
3218         struct evlist *evlist = script->session->evlist;
3219
3220         if (!script->cpus || !script->threads)
3221                 return 0;
3222
3223         if (WARN_ONCE(script->allocated, "stats double allocation\n"))
3224                 return -EINVAL;
3225
3226         perf_evlist__set_maps(&evlist->core, script->cpus, script->threads);
3227
3228         if (perf_evlist__alloc_stats(evlist, true))
3229                 return -ENOMEM;
3230
3231         script->allocated = true;
3232         return 0;
3233 }
3234
3235 static
3236 int process_thread_map_event(struct perf_session *session,
3237                              union perf_event *event)
3238 {
3239         struct perf_tool *tool = session->tool;
3240         struct perf_script *script = container_of(tool, struct perf_script, tool);
3241
3242         if (script->threads) {
3243                 pr_warning("Extra thread map event, ignoring.\n");
3244                 return 0;
3245         }
3246
3247         script->threads = thread_map__new_event(&event->thread_map);
3248         if (!script->threads)
3249                 return -ENOMEM;
3250
3251         return set_maps(script);
3252 }
3253
3254 static
3255 int process_cpu_map_event(struct perf_session *session,
3256                           union perf_event *event)
3257 {
3258         struct perf_tool *tool = session->tool;
3259         struct perf_script *script = container_of(tool, struct perf_script, tool);
3260
3261         if (script->cpus) {
3262                 pr_warning("Extra cpu map event, ignoring.\n");
3263                 return 0;
3264         }
3265
3266         script->cpus = cpu_map__new_data(&event->cpu_map.data);
3267         if (!script->cpus)
3268                 return -ENOMEM;
3269
3270         return set_maps(script);
3271 }
3272
3273 static int process_feature_event(struct perf_session *session,
3274                                  union perf_event *event)
3275 {
3276         if (event->feat.feat_id < HEADER_LAST_FEATURE)
3277                 return perf_event__process_feature(session, event);
3278         return 0;
3279 }
3280
3281 #ifdef HAVE_AUXTRACE_SUPPORT
3282 static int perf_script__process_auxtrace_info(struct perf_session *session,
3283                                               union perf_event *event)
3284 {
3285         struct perf_tool *tool = session->tool;
3286
3287         int ret = perf_event__process_auxtrace_info(session, event);
3288
3289         if (ret == 0) {
3290                 struct perf_script *script = container_of(tool, struct perf_script, tool);
3291
3292                 ret = perf_script__setup_per_event_dump(script);
3293         }
3294
3295         return ret;
3296 }
3297 #else
3298 #define perf_script__process_auxtrace_info 0
3299 #endif
3300
3301 static int parse_insn_trace(const struct option *opt __maybe_unused,
3302                             const char *str __maybe_unused,
3303                             int unset __maybe_unused)
3304 {
3305         parse_output_fields(NULL, "+insn,-event,-period", 0);
3306         itrace_parse_synth_opts(opt, "i0ns", 0);
3307         symbol_conf.nanosecs = true;
3308         return 0;
3309 }
3310
3311 static int parse_xed(const struct option *opt __maybe_unused,
3312                      const char *str __maybe_unused,
3313                      int unset __maybe_unused)
3314 {
3315         if (isatty(1))
3316                 force_pager("xed -F insn: -A -64 | less");
3317         else
3318                 force_pager("xed -F insn: -A -64");
3319         return 0;
3320 }
3321
3322 static int parse_call_trace(const struct option *opt __maybe_unused,
3323                             const char *str __maybe_unused,
3324                             int unset __maybe_unused)
3325 {
3326         parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
3327         itrace_parse_synth_opts(opt, "cewp", 0);
3328         symbol_conf.nanosecs = true;
3329         symbol_conf.pad_output_len_dso = 50;
3330         return 0;
3331 }
3332
3333 static int parse_callret_trace(const struct option *opt __maybe_unused,
3334                             const char *str __maybe_unused,
3335                             int unset __maybe_unused)
3336 {
3337         parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
3338         itrace_parse_synth_opts(opt, "crewp", 0);
3339         symbol_conf.nanosecs = true;
3340         return 0;
3341 }
3342
3343 int cmd_script(int argc, const char **argv)
3344 {
3345         bool show_full_info = false;
3346         bool header = false;
3347         bool header_only = false;
3348         bool script_started = false;
3349         char *rec_script_path = NULL;
3350         char *rep_script_path = NULL;
3351         struct perf_session *session;
3352         struct itrace_synth_opts itrace_synth_opts = {
3353                 .set = false,
3354                 .default_no_sample = true,
3355         };
3356         struct utsname uts;
3357         char *script_path = NULL;
3358         const char **__argv;
3359         int i, j, err = 0;
3360         struct perf_script script = {
3361                 .tool = {
3362                         .sample          = process_sample_event,
3363                         .mmap            = perf_event__process_mmap,
3364                         .mmap2           = perf_event__process_mmap2,
3365                         .comm            = perf_event__process_comm,
3366                         .namespaces      = perf_event__process_namespaces,
3367                         .cgroup          = perf_event__process_cgroup,
3368                         .exit            = perf_event__process_exit,
3369                         .fork            = perf_event__process_fork,
3370                         .attr            = process_attr,
3371                         .event_update   = perf_event__process_event_update,
3372                         .tracing_data    = perf_event__process_tracing_data,
3373                         .feature         = process_feature_event,
3374                         .build_id        = perf_event__process_build_id,
3375                         .id_index        = perf_event__process_id_index,
3376                         .auxtrace_info   = perf_script__process_auxtrace_info,
3377                         .auxtrace        = perf_event__process_auxtrace,
3378                         .auxtrace_error  = perf_event__process_auxtrace_error,
3379                         .stat            = perf_event__process_stat_event,
3380                         .stat_round      = process_stat_round_event,
3381                         .stat_config     = process_stat_config_event,
3382                         .thread_map      = process_thread_map_event,
3383                         .cpu_map         = process_cpu_map_event,
3384                         .ordered_events  = true,
3385                         .ordering_requires_timestamps = true,
3386                 },
3387         };
3388         struct perf_data data = {
3389                 .mode = PERF_DATA_MODE_READ,
3390         };
3391         const struct option options[] = {
3392         OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3393                     "dump raw trace in ASCII"),
3394         OPT_INCR('v', "verbose", &verbose,
3395                  "be more verbose (show symbol address, etc)"),
3396         OPT_BOOLEAN('L', "Latency", &latency_format,
3397                     "show latency attributes (irqs/preemption disabled, etc)"),
3398         OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3399                            list_available_scripts),
3400         OPT_CALLBACK('s', "script", NULL, "name",
3401                      "script file name (lang:script name, script name, or *)",
3402                      parse_scriptname),
3403         OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3404                    "generate perf-script.xx script in specified language"),
3405         OPT_STRING('i', "input", &input_name, "file", "input file name"),
3406         OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3407                    "do various checks like samples ordering and lost events"),
3408         OPT_BOOLEAN(0, "header", &header, "Show data header."),
3409         OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3410         OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3411                    "file", "vmlinux pathname"),
3412         OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3413                    "file", "kallsyms pathname"),
3414         OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3415                     "When printing symbols do not display call chain"),
3416         OPT_CALLBACK(0, "symfs", NULL, "directory",
3417                      "Look for files with symbols relative to this directory",
3418                      symbol__config_symfs),
3419         OPT_CALLBACK('F', "fields", NULL, "str",
3420                      "comma separated output fields prepend with 'type:'. "
3421                      "+field to add and -field to remove."
3422                      "Valid types: hw,sw,trace,raw,synth. "
3423                      "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
3424                      "addr,symoff,srcline,period,iregs,uregs,brstack,"
3425                      "brstacksym,flags,bpf-output,brstackinsn,brstackoff,"
3426                      "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc",
3427                      parse_output_fields),
3428         OPT_BOOLEAN('a', "all-cpus", &system_wide,
3429                     "system-wide collection from all CPUs"),
3430         OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3431                    "only consider these symbols"),
3432         OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL,
3433                         "Decode instructions from itrace", parse_insn_trace),
3434         OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
3435                         "Run xed disassembler on output", parse_xed),
3436         OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
3437                         "Decode calls from from itrace", parse_call_trace),
3438         OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
3439                         "Decode calls and returns from itrace", parse_callret_trace),
3440         OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",
3441                         "Only print symbols and callees with --call-trace/--call-ret-trace"),
3442         OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3443                    "Stop display of callgraph at these symbols"),
3444         OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3445         OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3446                    "only display events for these comms"),
3447         OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3448                    "only consider symbols in these pids"),
3449         OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3450                    "only consider symbols in these tids"),
3451         OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3452                      "Set the maximum stack depth when parsing the callchain, "
3453                      "anything beyond the specified depth will be ignored. "
3454                      "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3455         OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"),
3456         OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"),
3457         OPT_BOOLEAN('I', "show-info", &show_full_info,
3458                     "display extended information from perf.data file"),
3459         OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3460                     "Show the path of [kernel.kallsyms]"),
3461         OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3462                     "Show the fork/comm/exit events"),
3463         OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3464                     "Show the mmap events"),
3465         OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3466                     "Show context switch events (if recorded)"),
3467         OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3468                     "Show namespace events (if recorded)"),
3469         OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events,
3470                     "Show cgroup events (if recorded)"),
3471         OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3472                     "Show lost events (if recorded)"),
3473         OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3474                     "Show round events (if recorded)"),
3475         OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events,
3476                     "Show bpf related events (if recorded)"),
3477         OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
3478                     "Dump trace output to files named by the monitored events"),
3479         OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3480         OPT_INTEGER(0, "max-blocks", &max_blocks,
3481                     "Maximum number of code blocks to dump with brstackinsn"),
3482         OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs,
3483                     "Use 9 decimal places when displaying time"),
3484         OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
3485                             "Instruction Tracing options\n" ITRACE_HELP,
3486                             itrace_parse_synth_opts),
3487         OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
3488                         "Show full source file name path for source lines"),
3489         OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
3490                         "Enable symbol demangling"),
3491         OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
3492                         "Enable kernel symbol demangling"),
3493         OPT_STRING(0, "time", &script.time_str, "str",
3494                    "Time span of interest (start,stop)"),
3495         OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
3496                     "Show inline function"),
3497         OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
3498                    "guest mount directory under which every guest os"
3499                    " instance has a subdir"),
3500         OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name,
3501                    "file", "file saving guest os vmlinux"),
3502         OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms,
3503                    "file", "file saving guest os /proc/kallsyms"),
3504         OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
3505                    "file", "file saving guest os /proc/modules"),
3506         OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr,
3507                     "Enable LBR callgraph stitching approach"),
3508         OPTS_EVSWITCH(&script.evswitch),
3509         OPT_END()
3510         };
3511         const char * const script_subcommands[] = { "record", "report", NULL };
3512         const char *script_usage[] = {
3513                 "perf script [<options>]",
3514                 "perf script [<options>] record <script> [<record-options>] <command>",
3515                 "perf script [<options>] report <script> [script-args]",
3516                 "perf script [<options>] <script> [<record-options>] <command>",
3517                 "perf script [<options>] <top-script> [script-args]",
3518                 NULL
3519         };
3520
3521         perf_set_singlethreaded();
3522
3523         setup_scripting();
3524
3525         argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3526                              PARSE_OPT_STOP_AT_NON_OPTION);
3527
3528         if (symbol_conf.guestmount ||
3529             symbol_conf.default_guest_vmlinux_name ||
3530             symbol_conf.default_guest_kallsyms ||
3531             symbol_conf.default_guest_modules) {
3532                 /*
3533                  * Enable guest sample processing.
3534                  */
3535                 perf_guest = true;
3536         }
3537
3538         data.path  = input_name;
3539         data.force = symbol_conf.force;
3540
3541         if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
3542                 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
3543                 if (!rec_script_path)
3544                         return cmd_record(argc, argv);
3545         }
3546
3547         if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
3548                 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
3549                 if (!rep_script_path) {
3550                         fprintf(stderr,
3551                                 "Please specify a valid report script"
3552                                 "(see 'perf script -l' for listing)\n");
3553                         return -1;
3554                 }
3555         }
3556
3557         if (reltime && deltatime) {
3558                 fprintf(stderr,
3559                         "reltime and deltatime - the two don't get along well. "
3560                         "Please limit to --reltime or --deltatime.\n");
3561                 return -1;
3562         }
3563
3564         if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) &&
3565             itrace_synth_opts.callchain_sz > scripting_max_stack)
3566                 scripting_max_stack = itrace_synth_opts.callchain_sz;
3567
3568         /* make sure PERF_EXEC_PATH is set for scripts */
3569         set_argv_exec_path(get_argv_exec_path());
3570
3571         if (argc && !script_name && !rec_script_path && !rep_script_path) {
3572                 int live_pipe[2];
3573                 int rep_args;
3574                 pid_t pid;
3575
3576                 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
3577                 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
3578
3579                 if (!rec_script_path && !rep_script_path) {
3580                         usage_with_options_msg(script_usage, options,
3581                                 "Couldn't find script `%s'\n\n See perf"
3582                                 " script -l for available scripts.\n", argv[0]);
3583                 }
3584
3585                 if (is_top_script(argv[0])) {
3586                         rep_args = argc - 1;
3587                 } else {
3588                         int rec_args;
3589
3590                         rep_args = has_required_arg(rep_script_path);
3591                         rec_args = (argc - 1) - rep_args;
3592                         if (rec_args < 0) {
3593                                 usage_with_options_msg(script_usage, options,
3594                                         "`%s' script requires options."
3595                                         "\n\n See perf script -l for available "
3596                                         "scripts and options.\n", argv[0]);
3597                         }
3598                 }
3599
3600                 if (pipe(live_pipe) < 0) {
3601                         perror("failed to create pipe");
3602                         return -1;
3603                 }
3604
3605                 pid = fork();
3606                 if (pid < 0) {
3607                         perror("failed to fork");
3608                         return -1;
3609                 }
3610
3611                 if (!pid) {
3612                         j = 0;
3613
3614                         dup2(live_pipe[1], 1);
3615                         close(live_pipe[0]);
3616
3617                         if (is_top_script(argv[0])) {
3618                                 system_wide = true;
3619                         } else if (!system_wide) {
3620                                 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
3621                                         err = -1;
3622                                         goto out;
3623                                 }
3624                         }
3625
3626                         __argv = malloc((argc + 6) * sizeof(const char *));
3627                         if (!__argv) {
3628                                 pr_err("malloc failed\n");
3629                                 err = -ENOMEM;
3630                                 goto out;
3631                         }
3632
3633                         __argv[j++] = "/bin/sh";
3634                         __argv[j++] = rec_script_path;
3635                         if (system_wide)
3636                                 __argv[j++] = "-a";
3637                         __argv[j++] = "-q";
3638                         __argv[j++] = "-o";
3639                         __argv[j++] = "-";
3640                         for (i = rep_args + 1; i < argc; i++)
3641                                 __argv[j++] = argv[i];
3642                         __argv[j++] = NULL;
3643
3644                         execvp("/bin/sh", (char **)__argv);
3645                         free(__argv);
3646                         exit(-1);
3647                 }
3648
3649                 dup2(live_pipe[0], 0);
3650                 close(live_pipe[1]);
3651
3652                 __argv = malloc((argc + 4) * sizeof(const char *));
3653                 if (!__argv) {
3654                         pr_err("malloc failed\n");
3655                         err = -ENOMEM;
3656                         goto out;
3657                 }
3658
3659                 j = 0;
3660                 __argv[j++] = "/bin/sh";
3661                 __argv[j++] = rep_script_path;
3662                 for (i = 1; i < rep_args + 1; i++)
3663                         __argv[j++] = argv[i];
3664                 __argv[j++] = "-i";
3665                 __argv[j++] = "-";
3666                 __argv[j++] = NULL;
3667
3668                 execvp("/bin/sh", (char **)__argv);
3669                 free(__argv);
3670                 exit(-1);
3671         }
3672
3673         if (rec_script_path)
3674                 script_path = rec_script_path;
3675         if (rep_script_path)
3676                 script_path = rep_script_path;
3677
3678         if (script_path) {
3679                 j = 0;
3680
3681                 if (!rec_script_path)
3682                         system_wide = false;
3683                 else if (!system_wide) {
3684                         if (have_cmd(argc - 1, &argv[1]) != 0) {
3685                                 err = -1;
3686                                 goto out;
3687                         }
3688                 }
3689
3690                 __argv = malloc((argc + 2) * sizeof(const char *));
3691                 if (!__argv) {
3692                         pr_err("malloc failed\n");
3693                         err = -ENOMEM;
3694                         goto out;
3695                 }
3696
3697                 __argv[j++] = "/bin/sh";
3698                 __argv[j++] = script_path;
3699                 if (system_wide)
3700                         __argv[j++] = "-a";
3701                 for (i = 2; i < argc; i++)
3702                         __argv[j++] = argv[i];
3703                 __argv[j++] = NULL;
3704
3705                 execvp("/bin/sh", (char **)__argv);
3706                 free(__argv);
3707                 exit(-1);
3708         }
3709
3710         if (!script_name) {
3711                 setup_pager();
3712                 use_browser = 0;
3713         }
3714
3715         session = perf_session__new(&data, false, &script.tool);
3716         if (IS_ERR(session))
3717                 return PTR_ERR(session);
3718
3719         if (header || header_only) {
3720                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
3721                 perf_session__fprintf_info(session, stdout, show_full_info);
3722                 if (header_only)
3723                         goto out_delete;
3724         }
3725         if (show_full_info)
3726                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
3727
3728         if (symbol__init(&session->header.env) < 0)
3729                 goto out_delete;
3730
3731         uname(&uts);
3732         if (data.is_pipe ||  /* assume pipe_mode indicates native_arch */
3733             !strcmp(uts.machine, session->header.env.arch) ||
3734             (!strcmp(uts.machine, "x86_64") &&
3735              !strcmp(session->header.env.arch, "i386")))
3736                 native_arch = true;
3737
3738         script.session = session;
3739         script__setup_sample_type(&script);
3740
3741         if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) ||
3742             symbol_conf.graph_function)
3743                 itrace_synth_opts.thread_stack = true;
3744
3745         session->itrace_synth_opts = &itrace_synth_opts;
3746
3747         if (cpu_list) {
3748                 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
3749                 if (err < 0)
3750                         goto out_delete;
3751                 itrace_synth_opts.cpu_bitmap = cpu_bitmap;
3752         }
3753
3754         if (!no_callchain)
3755                 symbol_conf.use_callchain = true;
3756         else
3757                 symbol_conf.use_callchain = false;
3758
3759         if (session->tevent.pevent &&
3760             tep_set_function_resolver(session->tevent.pevent,
3761                                       machine__resolve_kernel_addr,
3762                                       &session->machines.host) < 0) {
3763                 pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
3764                 err = -1;
3765                 goto out_delete;
3766         }
3767
3768         if (generate_script_lang) {
3769                 struct stat perf_stat;
3770                 int input;
3771
3772                 if (output_set_by_user()) {
3773                         fprintf(stderr,
3774                                 "custom fields not supported for generated scripts");
3775                         err = -EINVAL;
3776                         goto out_delete;
3777                 }
3778
3779                 input = open(data.path, O_RDONLY);      /* input_name */
3780                 if (input < 0) {
3781                         err = -errno;
3782                         perror("failed to open file");
3783                         goto out_delete;
3784                 }
3785
3786                 err = fstat(input, &perf_stat);
3787                 if (err < 0) {
3788                         perror("failed to stat file");
3789                         goto out_delete;
3790                 }
3791
3792                 if (!perf_stat.st_size) {
3793                         fprintf(stderr, "zero-sized file, nothing to do!\n");
3794                         goto out_delete;
3795                 }
3796
3797                 scripting_ops = script_spec__lookup(generate_script_lang);
3798                 if (!scripting_ops) {
3799                         fprintf(stderr, "invalid language specifier");
3800                         err = -ENOENT;
3801                         goto out_delete;
3802                 }
3803
3804                 err = scripting_ops->generate_script(session->tevent.pevent,
3805                                                      "perf-script");
3806                 goto out_delete;
3807         }
3808
3809         if (script_name) {
3810                 err = scripting_ops->start_script(script_name, argc, argv);
3811                 if (err)
3812                         goto out_delete;
3813                 pr_debug("perf script started with script %s\n\n", script_name);
3814                 script_started = true;
3815         }
3816
3817
3818         err = perf_session__check_output_opt(session);
3819         if (err < 0)
3820                 goto out_delete;
3821
3822         if (script.time_str) {
3823                 err = perf_time__parse_for_ranges_reltime(script.time_str, session,
3824                                                   &script.ptime_range,
3825                                                   &script.range_size,
3826                                                   &script.range_num,
3827                                                   reltime);
3828                 if (err < 0)
3829                         goto out_delete;
3830
3831                 itrace_synth_opts__set_time_range(&itrace_synth_opts,
3832                                                   script.ptime_range,
3833                                                   script.range_num);
3834         }
3835
3836         err = evswitch__init(&script.evswitch, session->evlist, stderr);
3837         if (err)
3838                 goto out_delete;
3839
3840         if (zstd_init(&(session->zstd_data), 0) < 0)
3841                 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n");
3842
3843         err = __cmd_script(&script);
3844
3845         flush_scripting();
3846
3847 out_delete:
3848         if (script.ptime_range) {
3849                 itrace_synth_opts__clear_time_range(&itrace_synth_opts);
3850                 zfree(&script.ptime_range);
3851         }
3852
3853         perf_evlist__free_stats(session->evlist);
3854         perf_session__delete(session);
3855
3856         if (script_started)
3857                 cleanup_scripting();
3858 out:
3859         return err;
3860 }