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/evswitch.h"
  21 #include "util/sort.h"
  22 #include "util/data.h"
  23 #include "util/auxtrace.h"
  24 #include "util/cpumap.h"
  25 #include "util/thread_map.h"
  26 #include "util/stat.h"
  27 #include "util/color.h"
  28 #include "util/string2.h"
  29 #include "util/thread-stack.h"
  30 #include "util/time-utils.h"
  31 #include "util/path.h"
  32 #include "ui/ui.h"
  33 #include "print_binary.h"
  34 #include "archinsn.h"
  35 #include <linux/bitmap.h>
  36 #include <linux/kernel.h>
  37 #include <linux/stringify.h>
  38 #include <linux/time64.h>
  39 #include <linux/zalloc.h>
  40 #include <sys/utsname.h>
  41 #include "asm/bug.h"
  42 #include "util/mem-events.h"
  43 #include "util/dump-insn.h"
  44 #include <dirent.h>
  45 #include <errno.h>
  46 #include <inttypes.h>
  47 #include <signal.h>
  48 #include <sys/param.h>
  49 #include <sys/types.h>
  50 #include <sys/stat.h>
  51 #include <fcntl.h>
  52 #include <unistd.h>
  53 #include <subcmd/pager.h>
  54 #include <perf/evlist.h>
  55 #include <linux/err.h>
  56 #include "util/record.h"
  57 #include "util/util.h"
  58 #include "perf.h"
  59
  60 #include <linux/ctype.h>
  61
  62 static char const               *script_name;
  63 static char const               *generate_script_lang;
  64 static bool                     reltime;
  65 static u64                      initial_time;
  66 static bool                     debug_mode;
  67 static u64                      last_timestamp;
  68 static u64                      nr_unordered;
  69 static bool                     no_callchain;
  70 static bool                     latency_format;
  71 static bool                     system_wide;
  72 static bool                     print_flags;
  73 static const char               *cpu_list;
  74 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
  75 static struct perf_stat_config  stat_config;
  76 static int                      max_blocks;
  77 static bool                     native_arch;
  78
  79 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
  80
  81 enum perf_output_field {
  82         PERF_OUTPUT_COMM            = 1U << 0,
  83         PERF_OUTPUT_TID             = 1U << 1,
  84         PERF_OUTPUT_PID             = 1U << 2,
  85         PERF_OUTPUT_TIME            = 1U << 3,
  86         PERF_OUTPUT_CPU             = 1U << 4,
  87         PERF_OUTPUT_EVNAME          = 1U << 5,
  88         PERF_OUTPUT_TRACE           = 1U << 6,
  89         PERF_OUTPUT_IP              = 1U << 7,
  90         PERF_OUTPUT_SYM             = 1U << 8,
  91         PERF_OUTPUT_DSO             = 1U << 9,
  92         PERF_OUTPUT_ADDR            = 1U << 10,
  93         PERF_OUTPUT_SYMOFFSET       = 1U << 11,
  94         PERF_OUTPUT_SRCLINE         = 1U << 12,
  95         PERF_OUTPUT_PERIOD          = 1U << 13,
  96         PERF_OUTPUT_IREGS           = 1U << 14,
  97         PERF_OUTPUT_BRSTACK         = 1U << 15,
  98         PERF_OUTPUT_BRSTACKSYM      = 1U << 16,
  99         PERF_OUTPUT_DATA_SRC        = 1U << 17,
 100         PERF_OUTPUT_WEIGHT          = 1U << 18,
 101         PERF_OUTPUT_BPF_OUTPUT      = 1U << 19,
 102         PERF_OUTPUT_CALLINDENT      = 1U << 20,
 103         PERF_OUTPUT_INSN            = 1U << 21,
 104         PERF_OUTPUT_INSNLEN         = 1U << 22,
 105         PERF_OUTPUT_BRSTACKINSN     = 1U << 23,
 106         PERF_OUTPUT_BRSTACKOFF      = 1U << 24,
 107         PERF_OUTPUT_SYNTH           = 1U << 25,
 108         PERF_OUTPUT_PHYS_ADDR       = 1U << 26,
 109         PERF_OUTPUT_UREGS           = 1U << 27,
 110         PERF_OUTPUT_METRIC          = 1U << 28,
 111         PERF_OUTPUT_MISC            = 1U << 29,
 112         PERF_OUTPUT_SRCCODE         = 1U << 30,
 113         PERF_OUTPUT_IPC             = 1U << 31,
 114 };
 115
 116 struct output_option {
 117         const char *str;
 118         enum perf_output_field field;
 119 } all_output_options[] = {
 120         {.str = "comm",  .field = PERF_OUTPUT_COMM},
 121         {.str = "tid",   .field = PERF_OUTPUT_TID},
 122         {.str = "pid",   .field = PERF_OUTPUT_PID},
 123         {.str = "time",  .field = PERF_OUTPUT_TIME},
 124         {.str = "cpu",   .field = PERF_OUTPUT_CPU},
 125         {.str = "event", .field = PERF_OUTPUT_EVNAME},
 126         {.str = "trace", .field = PERF_OUTPUT_TRACE},
 127         {.str = "ip",    .field = PERF_OUTPUT_IP},
 128         {.str = "sym",   .field = PERF_OUTPUT_SYM},
 129         {.str = "dso",   .field = PERF_OUTPUT_DSO},
 130         {.str = "addr",  .field = PERF_OUTPUT_ADDR},
 131         {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
 132         {.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
 133         {.str = "period", .field = PERF_OUTPUT_PERIOD},
 134         {.str = "iregs", .field = PERF_OUTPUT_IREGS},
 135         {.str = "uregs", .field = PERF_OUTPUT_UREGS},
 136         {.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
 137         {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
 138         {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
 139         {.str = "weight",   .field = PERF_OUTPUT_WEIGHT},
 140         {.str = "bpf-output",   .field = PERF_OUTPUT_BPF_OUTPUT},
 141         {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
 142         {.str = "insn", .field = PERF_OUTPUT_INSN},
 143         {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
 144         {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
 145         {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
 146         {.str = "synth", .field = PERF_OUTPUT_SYNTH},
 147         {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
 148         {.str = "metric", .field = PERF_OUTPUT_METRIC},
 149         {.str = "misc", .field = PERF_OUTPUT_MISC},
 150         {.str = "srccode", .field = PERF_OUTPUT_SRCCODE},
 151         {.str = "ipc", .field = PERF_OUTPUT_IPC},
 152 };
 153
 154 enum {
 155         OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
 156         OUTPUT_TYPE_MAX
 157 };
 158
 159 /* default set to maintain compatibility with current format */
 160 static struct {
 161         bool user_set;
 162         bool wildcard_set;
 163         unsigned int print_ip_opts;
 164         u64 fields;
 165         u64 invalid_fields;
 166         u64 user_set_fields;
 167 } output[OUTPUT_TYPE_MAX] = {
 168
 169         [PERF_TYPE_HARDWARE] = {
 170                 .user_set = false,
 171
 172                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 173                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 174                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 175                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 176                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 177
 178                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 179         },
 180
 181         [PERF_TYPE_SOFTWARE] = {
 182                 .user_set = false,
 183
 184                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 185                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 186                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 187                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 188                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
 189                               PERF_OUTPUT_BPF_OUTPUT,
 190
 191                 .invalid_fields = PERF_OUTPUT_TRACE,
 192         },
 193
 194         [PERF_TYPE_TRACEPOINT] = {
 195                 .user_set = false,
 196
 197                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 198                                   PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 199                                   PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
 200         },
 201
 202         [PERF_TYPE_HW_CACHE] = {
 203                 .user_set = false,
 204
 205                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 206                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 207                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 208                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 209                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 210
 211                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 212         },
 213
 214         [PERF_TYPE_RAW] = {
 215                 .user_set = false,
 216
 217                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 218                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 219                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 220                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 221                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
 222                               PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
 223                               PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR,
 224
 225                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 226         },
 227
 228         [PERF_TYPE_BREAKPOINT] = {
 229                 .user_set = false,
 230
 231                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 232                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 233                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 234                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 235                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 236
 237                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 238         },
 239
 240         [OUTPUT_TYPE_SYNTH] = {
 241                 .user_set = false,
 242
 243                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 244                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 245                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 246                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 247                               PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH,
 248
 249                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 250         },
 251 };
 252
 253 struct evsel_script {
 254        char *filename;
 255        FILE *fp;
 256        u64  samples;
 257        /* For metric output */
 258        u64  val;
 259        int  gnum;
 260 };
 261
 262 static inline struct evsel_script *evsel_script(struct evsel *evsel)
 263 {
 264         return (struct evsel_script *)evsel->priv;
 265 }
 266
 267 static struct evsel_script *perf_evsel_script__new(struct evsel *evsel,
 268                                                         struct perf_data *data)
 269 {
 270         struct evsel_script *es = zalloc(sizeof(*es));
 271
 272         if (es != NULL) {
 273                 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, perf_evsel__name(evsel)) < 0)
 274                         goto out_free;
 275                 es->fp = fopen(es->filename, "w");
 276                 if (es->fp == NULL)
 277                         goto out_free_filename;
 278         }
 279
 280         return es;
 281 out_free_filename:
 282         zfree(&es->filename);
 283 out_free:
 284         free(es);
 285         return NULL;
 286 }
 287
 288 static void perf_evsel_script__delete(struct evsel_script *es)
 289 {
 290         zfree(&es->filename);
 291         fclose(es->fp);
 292         es->fp = NULL;
 293         free(es);
 294 }
 295
 296 static int perf_evsel_script__fprintf(struct evsel_script *es, FILE *fp)
 297 {
 298         struct stat st;
 299
 300         fstat(fileno(es->fp), &st);
 301         return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
 302                        st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
 303 }
 304
 305 static inline int output_type(unsigned int type)
 306 {
 307         switch (type) {
 308         case PERF_TYPE_SYNTH:
 309                 return OUTPUT_TYPE_SYNTH;
 310         default:
 311                 return type;
 312         }
 313 }
 314
 315 static inline unsigned int attr_type(unsigned int type)
 316 {
 317         switch (type) {
 318         case OUTPUT_TYPE_SYNTH:
 319                 return PERF_TYPE_SYNTH;
 320         default:
 321                 return type;
 322         }
 323 }
 324
 325 static bool output_set_by_user(void)
 326 {
 327         int j;
 328         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 329                 if (output[j].user_set)
 330                         return true;
 331         }
 332         return false;
 333 }
 334
 335 static const char *output_field2str(enum perf_output_field field)
 336 {
 337         int i, imax = ARRAY_SIZE(all_output_options);
 338         const char *str = "";
 339
 340         for (i = 0; i < imax; ++i) {
 341                 if (all_output_options[i].field == field) {
 342                         str = all_output_options[i].str;
 343                         break;
 344                 }
 345         }
 346         return str;
 347 }
 348
 349 #define PRINT_FIELD(x)  (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
 350
 351 static int perf_evsel__do_check_stype(struct evsel *evsel,
 352                                       u64 sample_type, const char *sample_msg,
 353                                       enum perf_output_field field,
 354                                       bool allow_user_set)
 355 {
 356         struct perf_event_attr *attr = &evsel->core.attr;
 357         int type = output_type(attr->type);
 358         const char *evname;
 359
 360         if (attr->sample_type & sample_type)
 361                 return 0;
 362
 363         if (output[type].user_set_fields & field) {
 364                 if (allow_user_set)
 365                         return 0;
 366                 evname = perf_evsel__name(evsel);
 367                 pr_err("Samples for '%s' event do not have %s attribute set. "
 368                        "Cannot print '%s' field.\n",
 369                        evname, sample_msg, output_field2str(field));
 370                 return -1;
 371         }
 372
 373         /* user did not ask for it explicitly so remove from the default list */
 374         output[type].fields &= ~field;
 375         evname = perf_evsel__name(evsel);
 376         pr_debug("Samples for '%s' event do not have %s attribute set. "
 377                  "Skipping '%s' field.\n",
 378                  evname, sample_msg, output_field2str(field));
 379
 380         return 0;
 381 }
 382
 383 static int perf_evsel__check_stype(struct evsel *evsel,
 384                                    u64 sample_type, const char *sample_msg,
 385                                    enum perf_output_field field)
 386 {
 387         return perf_evsel__do_check_stype(evsel, sample_type, sample_msg, field,
 388                                           false);
 389 }
 390
 391 static int perf_evsel__check_attr(struct evsel *evsel,
 392                                   struct perf_session *session)
 393 {
 394         struct perf_event_attr *attr = &evsel->core.attr;
 395         bool allow_user_set;
 396
 397         if (perf_header__has_feat(&session->header, HEADER_STAT))
 398                 return 0;
 399
 400         allow_user_set = perf_header__has_feat(&session->header,
 401                                                HEADER_AUXTRACE);
 402
 403         if (PRINT_FIELD(TRACE) &&
 404                 !perf_session__has_traces(session, "record -R"))
 405                 return -EINVAL;
 406
 407         if (PRINT_FIELD(IP)) {
 408                 if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP",
 409                                             PERF_OUTPUT_IP))
 410                         return -EINVAL;
 411         }
 412
 413         if (PRINT_FIELD(ADDR) &&
 414                 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR",
 415                                            PERF_OUTPUT_ADDR, allow_user_set))
 416                 return -EINVAL;
 417
 418         if (PRINT_FIELD(DATA_SRC) &&
 419                 perf_evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC",
 420                                         PERF_OUTPUT_DATA_SRC))
 421                 return -EINVAL;
 422
 423         if (PRINT_FIELD(WEIGHT) &&
 424                 perf_evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT",
 425                                         PERF_OUTPUT_WEIGHT))
 426                 return -EINVAL;
 427
 428         if (PRINT_FIELD(SYM) &&
 429                 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
 430                 pr_err("Display of symbols requested but neither sample IP nor "
 431                            "sample address\navailable. Hence, no addresses to convert "
 432                        "to symbols.\n");
 433                 return -EINVAL;
 434         }
 435         if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
 436                 pr_err("Display of offsets requested but symbol is not"
 437                        "selected.\n");
 438                 return -EINVAL;
 439         }
 440         if (PRINT_FIELD(DSO) &&
 441                 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
 442                 pr_err("Display of DSO requested but no address to convert.\n");
 443                 return -EINVAL;
 444         }
 445         if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) {
 446                 pr_err("Display of source line number requested but sample IP is not\n"
 447                        "selected. Hence, no address to lookup the source line number.\n");
 448                 return -EINVAL;
 449         }
 450         if (PRINT_FIELD(BRSTACKINSN) &&
 451             !(perf_evlist__combined_branch_type(session->evlist) &
 452               PERF_SAMPLE_BRANCH_ANY)) {
 453                 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
 454                        "Hint: run 'perf record -b ...'\n");
 455                 return -EINVAL;
 456         }
 457         if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
 458                 perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID",
 459                                         PERF_OUTPUT_TID|PERF_OUTPUT_PID))
 460                 return -EINVAL;
 461
 462         if (PRINT_FIELD(TIME) &&
 463                 perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME",
 464                                         PERF_OUTPUT_TIME))
 465                 return -EINVAL;
 466
 467         if (PRINT_FIELD(CPU) &&
 468                 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU",
 469                                            PERF_OUTPUT_CPU, allow_user_set))
 470                 return -EINVAL;
 471
 472         if (PRINT_FIELD(IREGS) &&
 473                 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS",
 474                                         PERF_OUTPUT_IREGS))
 475                 return -EINVAL;
 476
 477         if (PRINT_FIELD(UREGS) &&
 478                 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS",
 479                                         PERF_OUTPUT_UREGS))
 480                 return -EINVAL;
 481
 482         if (PRINT_FIELD(PHYS_ADDR) &&
 483                 perf_evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR",
 484                                         PERF_OUTPUT_PHYS_ADDR))
 485                 return -EINVAL;
 486
 487         return 0;
 488 }
 489
 490 static void set_print_ip_opts(struct perf_event_attr *attr)
 491 {
 492         unsigned int type = output_type(attr->type);
 493
 494         output[type].print_ip_opts = 0;
 495         if (PRINT_FIELD(IP))
 496                 output[type].print_ip_opts |= EVSEL__PRINT_IP;
 497
 498         if (PRINT_FIELD(SYM))
 499                 output[type].print_ip_opts |= EVSEL__PRINT_SYM;
 500
 501         if (PRINT_FIELD(DSO))
 502                 output[type].print_ip_opts |= EVSEL__PRINT_DSO;
 503
 504         if (PRINT_FIELD(SYMOFFSET))
 505                 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
 506
 507         if (PRINT_FIELD(SRCLINE))
 508                 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
 509 }
 510
 511 /*
 512  * verify all user requested events exist and the samples
 513  * have the expected data
 514  */
 515 static int perf_session__check_output_opt(struct perf_session *session)
 516 {
 517         unsigned int j;
 518         struct evsel *evsel;
 519
 520         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 521                 evsel = perf_session__find_first_evtype(session, attr_type(j));
 522
 523                 /*
 524                  * even if fields is set to 0 (ie., show nothing) event must
 525                  * exist if user explicitly includes it on the command line
 526                  */
 527                 if (!evsel && output[j].user_set && !output[j].wildcard_set &&
 528                     j != OUTPUT_TYPE_SYNTH) {
 529                         pr_err("%s events do not exist. "
 530                                "Remove corresponding -F option to proceed.\n",
 531                                event_type(j));
 532                         return -1;
 533                 }
 534
 535                 if (evsel && output[j].fields &&
 536                         perf_evsel__check_attr(evsel, session))
 537                         return -1;
 538
 539                 if (evsel == NULL)
 540                         continue;
 541
 542                 set_print_ip_opts(&evsel->core.attr);
 543         }
 544
 545         if (!no_callchain) {
 546                 bool use_callchain = false;
 547                 bool not_pipe = false;
 548
 549                 evlist__for_each_entry(session->evlist, evsel) {
 550                         not_pipe = true;
 551                         if (evsel__has_callchain(evsel)) {
 552                                 use_callchain = true;
 553                                 break;
 554                         }
 555                 }
 556                 if (not_pipe && !use_callchain)
 557                         symbol_conf.use_callchain = false;
 558         }
 559
 560         /*
 561          * set default for tracepoints to print symbols only
 562          * if callchains are present
 563          */
 564         if (symbol_conf.use_callchain &&
 565             !output[PERF_TYPE_TRACEPOINT].user_set) {
 566                 j = PERF_TYPE_TRACEPOINT;
 567
 568                 evlist__for_each_entry(session->evlist, evsel) {
 569                         if (evsel->core.attr.type != j)
 570                                 continue;
 571
 572                         if (evsel__has_callchain(evsel)) {
 573                                 output[j].fields |= PERF_OUTPUT_IP;
 574                                 output[j].fields |= PERF_OUTPUT_SYM;
 575                                 output[j].fields |= PERF_OUTPUT_SYMOFFSET;
 576                                 output[j].fields |= PERF_OUTPUT_DSO;
 577                                 set_print_ip_opts(&evsel->core.attr);
 578                                 goto out;
 579                         }
 580                 }
 581         }
 582
 583 out:
 584         return 0;
 585 }
 586
 587 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask,
 588                                      FILE *fp
 589 )
 590 {
 591         unsigned i = 0, r;
 592         int printed = 0;
 593
 594         if (!regs || !regs->regs)
 595                 return 0;
 596
 597         printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
 598
 599         for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
 600                 u64 val = regs->regs[i++];
 601                 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
 602         }
 603
 604         fprintf(fp, "\n");
 605
 606         return printed;
 607 }
 608
 609 static int perf_sample__fprintf_iregs(struct perf_sample *sample,
 610                                       struct perf_event_attr *attr, FILE *fp)
 611 {
 612         return perf_sample__fprintf_regs(&sample->intr_regs,
 613                                          attr->sample_regs_intr, fp);
 614 }
 615
 616 static int perf_sample__fprintf_uregs(struct perf_sample *sample,
 617                                       struct perf_event_attr *attr, FILE *fp)
 618 {
 619         return perf_sample__fprintf_regs(&sample->user_regs,
 620                                          attr->sample_regs_user, fp);
 621 }
 622
 623 static int perf_sample__fprintf_start(struct perf_sample *sample,
 624                                       struct thread *thread,
 625                                       struct evsel *evsel,
 626                                       u32 type, FILE *fp)
 627 {
 628         struct perf_event_attr *attr = &evsel->core.attr;
 629         unsigned long secs;
 630         unsigned long long nsecs;
 631         int printed = 0;
 632
 633         if (PRINT_FIELD(COMM)) {
 634                 if (latency_format)
 635                         printed += fprintf(fp, "%8.8s ", thread__comm_str(thread));
 636                 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
 637                         printed += fprintf(fp, "%s ", thread__comm_str(thread));
 638                 else
 639                         printed += fprintf(fp, "%16s ", thread__comm_str(thread));
 640         }
 641
 642         if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
 643                 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid);
 644         else if (PRINT_FIELD(PID))
 645                 printed += fprintf(fp, "%5d ", sample->pid);
 646         else if (PRINT_FIELD(TID))
 647                 printed += fprintf(fp, "%5d ", sample->tid);
 648
 649         if (PRINT_FIELD(CPU)) {
 650                 if (latency_format)
 651                         printed += fprintf(fp, "%3d ", sample->cpu);
 652                 else
 653                         printed += fprintf(fp, "[%03d] ", sample->cpu);
 654         }
 655
 656         if (PRINT_FIELD(MISC)) {
 657                 int ret = 0;
 658
 659                 #define has(m) \
 660                         (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
 661
 662                 if (has(KERNEL))
 663                         ret += fprintf(fp, "K");
 664                 if (has(USER))
 665                         ret += fprintf(fp, "U");
 666                 if (has(HYPERVISOR))
 667                         ret += fprintf(fp, "H");
 668                 if (has(GUEST_KERNEL))
 669                         ret += fprintf(fp, "G");
 670                 if (has(GUEST_USER))
 671                         ret += fprintf(fp, "g");
 672
 673                 switch (type) {
 674                 case PERF_RECORD_MMAP:
 675                 case PERF_RECORD_MMAP2:
 676                         if (has(MMAP_DATA))
 677                                 ret += fprintf(fp, "M");
 678                         break;
 679                 case PERF_RECORD_COMM:
 680                         if (has(COMM_EXEC))
 681                                 ret += fprintf(fp, "E");
 682                         break;
 683                 case PERF_RECORD_SWITCH:
 684                 case PERF_RECORD_SWITCH_CPU_WIDE:
 685                         if (has(SWITCH_OUT)) {
 686                                 ret += fprintf(fp, "S");
 687                                 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
 688                                         ret += fprintf(fp, "p");
 689                         }
 690                 default:
 691                         break;
 692                 }
 693
 694                 #undef has
 695
 696                 ret += fprintf(fp, "%*s", 6 - ret, " ");
 697                 printed += ret;
 698         }
 699
 700         if (PRINT_FIELD(TIME)) {
 701                 u64 t = sample->time;
 702                 if (reltime) {
 703                         if (!initial_time)
 704                                 initial_time = sample->time;
 705                         t = sample->time - initial_time;
 706                 }
 707                 nsecs = t;
 708                 secs = nsecs / NSEC_PER_SEC;
 709                 nsecs -= secs * NSEC_PER_SEC;
 710
 711                 if (symbol_conf.nanosecs)
 712                         printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
 713                 else {
 714                         char sample_time[32];
 715                         timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time));
 716                         printed += fprintf(fp, "%12s: ", sample_time);
 717                 }
 718         }
 719
 720         return printed;
 721 }
 722
 723 static inline char
 724 mispred_str(struct branch_entry *br)
 725 {
 726         if (!(br->flags.mispred  || br->flags.predicted))
 727                 return '-';
 728
 729         return br->flags.predicted ? 'P' : 'M';
 730 }
 731
 732 static int perf_sample__fprintf_brstack(struct perf_sample *sample,
 733                                         struct thread *thread,
 734                                         struct perf_event_attr *attr, FILE *fp)
 735 {
 736         struct branch_stack *br = sample->branch_stack;
 737         struct addr_location alf, alt;
 738         u64 i, from, to;
 739         int printed = 0;
 740
 741         if (!(br && br->nr))
 742                 return 0;
 743
 744         for (i = 0; i < br->nr; i++) {
 745                 from = br->entries[i].from;
 746                 to   = br->entries[i].to;
 747
 748                 if (PRINT_FIELD(DSO)) {
 749                         memset(&alf, 0, sizeof(alf));
 750                         memset(&alt, 0, sizeof(alt));
 751                         thread__find_map_fb(thread, sample->cpumode, from, &alf);
 752                         thread__find_map_fb(thread, sample->cpumode, to, &alt);
 753                 }
 754
 755                 printed += fprintf(fp, " 0x%"PRIx64, from);
 756                 if (PRINT_FIELD(DSO)) {
 757                         printed += fprintf(fp, "(");
 758                         printed += map__fprintf_dsoname(alf.map, fp);
 759                         printed += fprintf(fp, ")");
 760                 }
 761
 762                 printed += fprintf(fp, "/0x%"PRIx64, to);
 763                 if (PRINT_FIELD(DSO)) {
 764                         printed += fprintf(fp, "(");
 765                         printed += map__fprintf_dsoname(alt.map, fp);
 766                         printed += fprintf(fp, ")");
 767                 }
 768
 769                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 770                         mispred_str( br->entries + i),
 771                         br->entries[i].flags.in_tx? 'X' : '-',
 772                         br->entries[i].flags.abort? 'A' : '-',
 773                         br->entries[i].flags.cycles);
 774         }
 775
 776         return printed;
 777 }
 778
 779 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
 780                                            struct thread *thread,
 781                                            struct perf_event_attr *attr, FILE *fp)
 782 {
 783         struct branch_stack *br = sample->branch_stack;
 784         struct addr_location alf, alt;
 785         u64 i, from, to;
 786         int printed = 0;
 787
 788         if (!(br && br->nr))
 789                 return 0;
 790
 791         for (i = 0; i < br->nr; i++) {
 792
 793                 memset(&alf, 0, sizeof(alf));
 794                 memset(&alt, 0, sizeof(alt));
 795                 from = br->entries[i].from;
 796                 to   = br->entries[i].to;
 797
 798                 thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
 799                 thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
 800
 801                 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
 802                 if (PRINT_FIELD(DSO)) {
 803                         printed += fprintf(fp, "(");
 804                         printed += map__fprintf_dsoname(alf.map, fp);
 805                         printed += fprintf(fp, ")");
 806                 }
 807                 printed += fprintf(fp, "%c", '/');
 808                 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
 809                 if (PRINT_FIELD(DSO)) {
 810                         printed += fprintf(fp, "(");
 811                         printed += map__fprintf_dsoname(alt.map, fp);
 812                         printed += fprintf(fp, ")");
 813                 }
 814                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 815                         mispred_str( br->entries + i),
 816                         br->entries[i].flags.in_tx? 'X' : '-',
 817                         br->entries[i].flags.abort? 'A' : '-',
 818                         br->entries[i].flags.cycles);
 819         }
 820
 821         return printed;
 822 }
 823
 824 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
 825                                            struct thread *thread,
 826                                            struct perf_event_attr *attr, FILE *fp)
 827 {
 828         struct branch_stack *br = sample->branch_stack;
 829         struct addr_location alf, alt;
 830         u64 i, from, to;
 831         int printed = 0;
 832
 833         if (!(br && br->nr))
 834                 return 0;
 835
 836         for (i = 0; i < br->nr; i++) {
 837
 838                 memset(&alf, 0, sizeof(alf));
 839                 memset(&alt, 0, sizeof(alt));
 840                 from = br->entries[i].from;
 841                 to   = br->entries[i].to;
 842
 843                 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
 844                     !alf.map->dso->adjust_symbols)
 845                         from = map__map_ip(alf.map, from);
 846
 847                 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
 848                     !alt.map->dso->adjust_symbols)
 849                         to = map__map_ip(alt.map, to);
 850
 851                 printed += fprintf(fp, " 0x%"PRIx64, from);
 852                 if (PRINT_FIELD(DSO)) {
 853                         printed += fprintf(fp, "(");
 854                         printed += map__fprintf_dsoname(alf.map, fp);
 855                         printed += fprintf(fp, ")");
 856                 }
 857                 printed += fprintf(fp, "/0x%"PRIx64, to);
 858                 if (PRINT_FIELD(DSO)) {
 859                         printed += fprintf(fp, "(");
 860                         printed += map__fprintf_dsoname(alt.map, fp);
 861                         printed += fprintf(fp, ")");
 862                 }
 863                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 864                         mispred_str(br->entries + i),
 865                         br->entries[i].flags.in_tx ? 'X' : '-',
 866                         br->entries[i].flags.abort ? 'A' : '-',
 867                         br->entries[i].flags.cycles);
 868         }
 869
 870         return printed;
 871 }
 872 #define MAXBB 16384UL
 873
 874 static int grab_bb(u8 *buffer, u64 start, u64 end,
 875                     struct machine *machine, struct thread *thread,
 876                     bool *is64bit, u8 *cpumode, bool last)
 877 {
 878         long offset, len;
 879         struct addr_location al;
 880         bool kernel;
 881
 882         if (!start || !end)
 883                 return 0;
 884
 885         kernel = machine__kernel_ip(machine, start);
 886         if (kernel)
 887                 *cpumode = PERF_RECORD_MISC_KERNEL;
 888         else
 889                 *cpumode = PERF_RECORD_MISC_USER;
 890
 891         /*
 892          * Block overlaps between kernel and user.
 893          * This can happen due to ring filtering
 894          * On Intel CPUs the entry into the kernel is filtered,
 895          * but the exit is not. Let the caller patch it up.
 896          */
 897         if (kernel != machine__kernel_ip(machine, end)) {
 898                 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
 899                 return -ENXIO;
 900         }
 901
 902         memset(&al, 0, sizeof(al));
 903         if (end - start > MAXBB - MAXINSN) {
 904                 if (last)
 905                         pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
 906                 else
 907                         pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
 908                 return 0;
 909         }
 910
 911         if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) {
 912                 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
 913                 return 0;
 914         }
 915         if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
 916                 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
 917                 return 0;
 918         }
 919
 920         /* Load maps to ensure dso->is_64_bit has been updated */
 921         map__load(al.map);
 922
 923         offset = al.map->map_ip(al.map, start);
 924         len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer,
 925                                     end - start + MAXINSN);
 926
 927         *is64bit = al.map->dso->is_64_bit;
 928         if (len <= 0)
 929                 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
 930                         start, end);
 931         return len;
 932 }
 933
 934 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr)
 935 {
 936         struct addr_location al;
 937         int ret = 0;
 938
 939         memset(&al, 0, sizeof(al));
 940         thread__find_map(thread, cpumode, addr, &al);
 941         if (!al.map)
 942                 return 0;
 943         ret = map__fprintf_srccode(al.map, al.addr, stdout,
 944                     &thread->srccode_state);
 945         if (ret)
 946                 ret += printf("\n");
 947         return ret;
 948 }
 949
 950 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
 951                             struct perf_insn *x, u8 *inbuf, int len,
 952                             int insn, FILE *fp, int *total_cycles)
 953 {
 954         int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip,
 955                               dump_insn(x, ip, inbuf, len, NULL),
 956                               en->flags.predicted ? " PRED" : "",
 957                               en->flags.mispred ? " MISPRED" : "",
 958                               en->flags.in_tx ? " INTX" : "",
 959                               en->flags.abort ? " ABORT" : "");
 960         if (en->flags.cycles) {
 961                 *total_cycles += en->flags.cycles;
 962                 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles);
 963                 if (insn)
 964                         printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
 965         }
 966         return printed + fprintf(fp, "\n");
 967 }
 968
 969 static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
 970                            u8 cpumode, int cpu, struct symbol **lastsym,
 971                            struct perf_event_attr *attr, FILE *fp)
 972 {
 973         struct addr_location al;
 974         int off, printed = 0;
 975
 976         memset(&al, 0, sizeof(al));
 977
 978         thread__find_map(thread, cpumode, addr, &al);
 979
 980         if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
 981                 return 0;
 982
 983         al.cpu = cpu;
 984         al.sym = NULL;
 985         if (al.map)
 986                 al.sym = map__find_symbol(al.map, al.addr);
 987
 988         if (!al.sym)
 989                 return 0;
 990
 991         if (al.addr < al.sym->end)
 992                 off = al.addr - al.sym->start;
 993         else
 994                 off = al.addr - al.map->start - al.sym->start;
 995         printed += fprintf(fp, "\t%s", al.sym->name);
 996         if (off)
 997                 printed += fprintf(fp, "%+d", off);
 998         printed += fprintf(fp, ":");
 999         if (PRINT_FIELD(SRCLINE))
1000                 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
1001         printed += fprintf(fp, "\n");
1002         *lastsym = al.sym;
1003
1004         return printed;
1005 }
1006
1007 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
1008                                             struct thread *thread,
1009                                             struct perf_event_attr *attr,
1010                                             struct machine *machine, FILE *fp)
1011 {
1012         struct branch_stack *br = sample->branch_stack;
1013         u64 start, end;
1014         int i, insn, len, nr, ilen, printed = 0;
1015         struct perf_insn x;
1016         u8 buffer[MAXBB];
1017         unsigned off;
1018         struct symbol *lastsym = NULL;
1019         int total_cycles = 0;
1020
1021         if (!(br && br->nr))
1022                 return 0;
1023         nr = br->nr;
1024         if (max_blocks && nr > max_blocks + 1)
1025                 nr = max_blocks + 1;
1026
1027         x.thread = thread;
1028         x.cpu = sample->cpu;
1029
1030         printed += fprintf(fp, "%c", '\n');
1031
1032         /* Handle first from jump, of which we don't know the entry. */
1033         len = grab_bb(buffer, br->entries[nr-1].from,
1034                         br->entries[nr-1].from,
1035                         machine, thread, &x.is64bit, &x.cpumode, false);
1036         if (len > 0) {
1037                 printed += ip__fprintf_sym(br->entries[nr - 1].from, thread,
1038                                            x.cpumode, x.cpu, &lastsym, attr, fp);
1039                 printed += ip__fprintf_jump(br->entries[nr - 1].from, &br->entries[nr - 1],
1040                                             &x, buffer, len, 0, fp, &total_cycles);
1041                 if (PRINT_FIELD(SRCCODE))
1042                         printed += print_srccode(thread, x.cpumode, br->entries[nr - 1].from);
1043         }
1044
1045         /* Print all blocks */
1046         for (i = nr - 2; i >= 0; i--) {
1047                 if (br->entries[i].from || br->entries[i].to)
1048                         pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1049                                  br->entries[i].from,
1050                                  br->entries[i].to);
1051                 start = br->entries[i + 1].to;
1052                 end   = br->entries[i].from;
1053
1054                 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1055                 /* Patch up missing kernel transfers due to ring filters */
1056                 if (len == -ENXIO && i > 0) {
1057                         end = br->entries[--i].from;
1058                         pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1059                         len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1060                 }
1061                 if (len <= 0)
1062                         continue;
1063
1064                 insn = 0;
1065                 for (off = 0;; off += ilen) {
1066                         uint64_t ip = start + off;
1067
1068                         printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1069                         if (ip == end) {
1070                                 printed += ip__fprintf_jump(ip, &br->entries[i], &x, buffer + off, len - off, ++insn, fp,
1071                                                             &total_cycles);
1072                                 if (PRINT_FIELD(SRCCODE))
1073                                         printed += print_srccode(thread, x.cpumode, ip);
1074                                 break;
1075                         } else {
1076                                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip,
1077                                                    dump_insn(&x, ip, buffer + off, len - off, &ilen));
1078                                 if (ilen == 0)
1079                                         break;
1080                                 if (PRINT_FIELD(SRCCODE))
1081                                         print_srccode(thread, x.cpumode, ip);
1082                                 insn++;
1083                         }
1084                 }
1085         }
1086
1087         /*
1088          * Hit the branch? In this case we are already done, and the target
1089          * has not been executed yet.
1090          */
1091         if (br->entries[0].from == sample->ip)
1092                 goto out;
1093         if (br->entries[0].flags.abort)
1094                 goto out;
1095
1096         /*
1097          * Print final block upto sample
1098          *
1099          * Due to pipeline delays the LBRs might be missing a branch
1100          * or two, which can result in very large or negative blocks
1101          * between final branch and sample. When this happens just
1102          * continue walking after the last TO until we hit a branch.
1103          */
1104         start = br->entries[0].to;
1105         end = sample->ip;
1106         if (end < start) {
1107                 /* Missing jump. Scan 128 bytes for the next branch */
1108                 end = start + 128;
1109         }
1110         len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1111         printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1112         if (len <= 0) {
1113                 /* Print at least last IP if basic block did not work */
1114                 len = grab_bb(buffer, sample->ip, sample->ip,
1115                               machine, thread, &x.is64bit, &x.cpumode, false);
1116                 if (len <= 0)
1117                         goto out;
1118                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip,
1119                         dump_insn(&x, sample->ip, buffer, len, NULL));
1120                 if (PRINT_FIELD(SRCCODE))
1121                         print_srccode(thread, x.cpumode, sample->ip);
1122                 goto out;
1123         }
1124         for (off = 0; off <= end - start; off += ilen) {
1125                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off,
1126                                    dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1127                 if (ilen == 0)
1128                         break;
1129                 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) {
1130                         /*
1131                          * Hit a missing branch. Just stop.
1132                          */
1133                         printed += fprintf(fp, "\t... not reaching sample ...\n");
1134                         break;
1135                 }
1136                 if (PRINT_FIELD(SRCCODE))
1137                         print_srccode(thread, x.cpumode, start + off);
1138         }
1139 out:
1140         return printed;
1141 }
1142
1143 static int perf_sample__fprintf_addr(struct perf_sample *sample,
1144                                      struct thread *thread,
1145                                      struct perf_event_attr *attr, FILE *fp)
1146 {
1147         struct addr_location al;
1148         int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1149
1150         if (!sample_addr_correlates_sym(attr))
1151                 goto out;
1152
1153         thread__resolve(thread, &al, sample);
1154
1155         if (PRINT_FIELD(SYM)) {
1156                 printed += fprintf(fp, " ");
1157                 if (PRINT_FIELD(SYMOFFSET))
1158                         printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1159                 else
1160                         printed += symbol__fprintf_symname(al.sym, fp);
1161         }
1162
1163         if (PRINT_FIELD(DSO)) {
1164                 printed += fprintf(fp, " (");
1165                 printed += map__fprintf_dsoname(al.map, fp);
1166                 printed += fprintf(fp, ")");
1167         }
1168 out:
1169         return printed;
1170 }
1171
1172 static const char *resolve_branch_sym(struct perf_sample *sample,
1173                                       struct evsel *evsel,
1174                                       struct thread *thread,
1175                                       struct addr_location *al,
1176                                       u64 *ip)
1177 {
1178         struct addr_location addr_al;
1179         struct perf_event_attr *attr = &evsel->core.attr;
1180         const char *name = NULL;
1181
1182         if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1183                 if (sample_addr_correlates_sym(attr)) {
1184                         thread__resolve(thread, &addr_al, sample);
1185                         if (addr_al.sym)
1186                                 name = addr_al.sym->name;
1187                         else
1188                                 *ip = sample->addr;
1189                 } else {
1190                         *ip = sample->addr;
1191                 }
1192         } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1193                 if (al->sym)
1194                         name = al->sym->name;
1195                 else
1196                         *ip = sample->ip;
1197         }
1198         return name;
1199 }
1200
1201 static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1202                                            struct evsel *evsel,
1203                                            struct thread *thread,
1204                                            struct addr_location *al, FILE *fp)
1205 {
1206         struct perf_event_attr *attr = &evsel->core.attr;
1207         size_t depth = thread_stack__depth(thread, sample->cpu);
1208         const char *name = NULL;
1209         static int spacing;
1210         int len = 0;
1211         int dlen = 0;
1212         u64 ip = 0;
1213
1214         /*
1215          * The 'return' has already been popped off the stack so the depth has
1216          * to be adjusted to match the 'call'.
1217          */
1218         if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
1219                 depth += 1;
1220
1221         name = resolve_branch_sym(sample, evsel, thread, al, &ip);
1222
1223         if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
1224                 dlen += fprintf(fp, "(");
1225                 dlen += map__fprintf_dsoname(al->map, fp);
1226                 dlen += fprintf(fp, ")\t");
1227         }
1228
1229         if (name)
1230                 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1231         else if (ip)
1232                 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1233
1234         if (len < 0)
1235                 return len;
1236
1237         /*
1238          * Try to keep the output length from changing frequently so that the
1239          * output lines up more nicely.
1240          */
1241         if (len > spacing || (len && len < spacing - 52))
1242                 spacing = round_up(len + 4, 32);
1243
1244         if (len < spacing)
1245                 len += fprintf(fp, "%*s", spacing - len, "");
1246
1247         return len + dlen;
1248 }
1249
1250 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused,
1251                             struct thread *thread __maybe_unused,
1252                             struct machine *machine __maybe_unused)
1253 {
1254 }
1255
1256 static int perf_sample__fprintf_insn(struct perf_sample *sample,
1257                                      struct perf_event_attr *attr,
1258                                      struct thread *thread,
1259                                      struct machine *machine, FILE *fp)
1260 {
1261         int printed = 0;
1262
1263         if (sample->insn_len == 0 && native_arch)
1264                 arch_fetch_insn(sample, thread, machine);
1265
1266         if (PRINT_FIELD(INSNLEN))
1267                 printed += fprintf(fp, " ilen: %d", sample->insn_len);
1268         if (PRINT_FIELD(INSN) && sample->insn_len) {
1269                 int i;
1270
1271                 printed += fprintf(fp, " insn:");
1272                 for (i = 0; i < sample->insn_len; i++)
1273                         printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
1274         }
1275         if (PRINT_FIELD(BRSTACKINSN))
1276                 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
1277
1278         return printed;
1279 }
1280
1281 static int perf_sample__fprintf_ipc(struct perf_sample *sample,
1282                                     struct perf_event_attr *attr, FILE *fp)
1283 {
1284         unsigned int ipc;
1285
1286         if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt)
1287                 return 0;
1288
1289         ipc = (sample->insn_cnt * 100) / sample->cyc_cnt;
1290
1291         return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ",
1292                        ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt);
1293 }
1294
1295 static int perf_sample__fprintf_bts(struct perf_sample *sample,
1296                                     struct evsel *evsel,
1297                                     struct thread *thread,
1298                                     struct addr_location *al,
1299                                     struct machine *machine, FILE *fp)
1300 {
1301         struct perf_event_attr *attr = &evsel->core.attr;
1302         unsigned int type = output_type(attr->type);
1303         bool print_srcline_last = false;
1304         int printed = 0;
1305
1306         if (PRINT_FIELD(CALLINDENT))
1307                 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp);
1308
1309         /* print branch_from information */
1310         if (PRINT_FIELD(IP)) {
1311                 unsigned int print_opts = output[type].print_ip_opts;
1312                 struct callchain_cursor *cursor = NULL;
1313
1314                 if (symbol_conf.use_callchain && sample->callchain &&
1315                     thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1316                                               sample, NULL, NULL, scripting_max_stack) == 0)
1317                         cursor = &callchain_cursor;
1318
1319                 if (cursor == NULL) {
1320                         printed += fprintf(fp, " ");
1321                         if (print_opts & EVSEL__PRINT_SRCLINE) {
1322                                 print_srcline_last = true;
1323                                 print_opts &= ~EVSEL__PRINT_SRCLINE;
1324                         }
1325                 } else
1326                         printed += fprintf(fp, "\n");
1327
1328                 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, fp);
1329         }
1330
1331         /* print branch_to information */
1332         if (PRINT_FIELD(ADDR) ||
1333             ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
1334              !output[type].user_set)) {
1335                 printed += fprintf(fp, " => ");
1336                 printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1337         }
1338
1339         printed += perf_sample__fprintf_ipc(sample, attr, fp);
1340
1341         if (print_srcline_last)
1342                 printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
1343
1344         printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1345         printed += fprintf(fp, "\n");
1346         if (PRINT_FIELD(SRCCODE)) {
1347                 int ret = map__fprintf_srccode(al->map, al->addr, stdout,
1348                                          &thread->srccode_state);
1349                 if (ret) {
1350                         printed += ret;
1351                         printed += printf("\n");
1352                 }
1353         }
1354         return printed;
1355 }
1356
1357 static struct {
1358         u32 flags;
1359         const char *name;
1360 } sample_flags[] = {
1361         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1362         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1363         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1364         {PERF_IP_FLAG_BRANCH, "jmp"},
1365         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1366         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1367         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1368         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1369         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1370         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"},
1371         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1372         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1373         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1374         {0, NULL}
1375 };
1376
1377 static const char *sample_flags_to_name(u32 flags)
1378 {
1379         int i;
1380
1381         for (i = 0; sample_flags[i].name ; i++) {
1382                 if (sample_flags[i].flags == flags)
1383                         return sample_flags[i].name;
1384         }
1385
1386         return NULL;
1387 }
1388
1389 static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1390 {
1391         const char *chars = PERF_IP_FLAG_CHARS;
1392         const int n = strlen(PERF_IP_FLAG_CHARS);
1393         bool in_tx = flags & PERF_IP_FLAG_IN_TX;
1394         const char *name = NULL;
1395         char str[33];
1396         int i, pos = 0;
1397
1398         name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX);
1399         if (name)
1400                 return fprintf(fp, "  %-15s%4s ", name, in_tx ? "(x)" : "");
1401
1402         if (flags & PERF_IP_FLAG_TRACE_BEGIN) {
1403                 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN));
1404                 if (name)
1405                         return fprintf(fp, "  tr strt %-7s%4s ", name, in_tx ? "(x)" : "");
1406         }
1407
1408         if (flags & PERF_IP_FLAG_TRACE_END) {
1409                 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END));
1410                 if (name)
1411                         return fprintf(fp, "  tr end  %-7s%4s ", name, in_tx ? "(x)" : "");
1412         }
1413
1414         for (i = 0; i < n; i++, flags >>= 1) {
1415                 if (flags & 1)
1416                         str[pos++] = chars[i];
1417         }
1418         for (; i < 32; i++, flags >>= 1) {
1419                 if (flags & 1)
1420                         str[pos++] = '?';
1421         }
1422         str[pos] = 0;
1423
1424         return fprintf(fp, "  %-19s ", str);
1425 }
1426
1427 struct printer_data {
1428         int line_no;
1429         bool hit_nul;
1430         bool is_printable;
1431 };
1432
1433 static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1434                                       unsigned int val,
1435                                       void *extra, FILE *fp)
1436 {
1437         unsigned char ch = (unsigned char)val;
1438         struct printer_data *printer_data = extra;
1439         int printed = 0;
1440
1441         switch (op) {
1442         case BINARY_PRINT_DATA_BEGIN:
1443                 printed += fprintf(fp, "\n");
1444                 break;
1445         case BINARY_PRINT_LINE_BEGIN:
1446                 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1447                                                         "           ");
1448                 break;
1449         case BINARY_PRINT_ADDR:
1450                 printed += fprintf(fp, " %04x:", val);
1451                 break;
1452         case BINARY_PRINT_NUM_DATA:
1453                 printed += fprintf(fp, " %02x", val);
1454                 break;
1455         case BINARY_PRINT_NUM_PAD:
1456                 printed += fprintf(fp, "   ");
1457                 break;
1458         case BINARY_PRINT_SEP:
1459                 printed += fprintf(fp, "  ");
1460                 break;
1461         case BINARY_PRINT_CHAR_DATA:
1462                 if (printer_data->hit_nul && ch)
1463                         printer_data->is_printable = false;
1464
1465                 if (!isprint(ch)) {
1466                         printed += fprintf(fp, "%c", '.');
1467
1468                         if (!printer_data->is_printable)
1469                                 break;
1470
1471                         if (ch == '\0')
1472                                 printer_data->hit_nul = true;
1473                         else
1474                                 printer_data->is_printable = false;
1475                 } else {
1476                         printed += fprintf(fp, "%c", ch);
1477                 }
1478                 break;
1479         case BINARY_PRINT_CHAR_PAD:
1480                 printed += fprintf(fp, " ");
1481                 break;
1482         case BINARY_PRINT_LINE_END:
1483                 printed += fprintf(fp, "\n");
1484                 printer_data->line_no++;
1485                 break;
1486         case BINARY_PRINT_DATA_END:
1487         default:
1488                 break;
1489         }
1490
1491         return printed;
1492 }
1493
1494 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1495 {
1496         unsigned int nr_bytes = sample->raw_size;
1497         struct printer_data printer_data = {0, false, true};
1498         int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1499                                       sample__fprintf_bpf_output, &printer_data, fp);
1500
1501         if (printer_data.is_printable && printer_data.hit_nul)
1502                 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1503
1504         return printed;
1505 }
1506
1507 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1508 {
1509         if (len > 0 && len < spacing)
1510                 return fprintf(fp, "%*s", spacing - len, "");
1511
1512         return 0;
1513 }
1514
1515 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1516 {
1517         return perf_sample__fprintf_spacing(len, 34, fp);
1518 }
1519
1520 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1521 {
1522         struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1523         int len;
1524
1525         if (perf_sample__bad_synth_size(sample, *data))
1526                 return 0;
1527
1528         len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ",
1529                      data->ip, le64_to_cpu(data->payload));
1530         return len + perf_sample__fprintf_pt_spacing(len, fp);
1531 }
1532
1533 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1534 {
1535         struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1536         int len;
1537
1538         if (perf_sample__bad_synth_size(sample, *data))
1539                 return 0;
1540
1541         len = fprintf(fp, " hints: %#x extensions: %#x ",
1542                       data->hints, data->extensions);
1543         return len + perf_sample__fprintf_pt_spacing(len, fp);
1544 }
1545
1546 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1547 {
1548         struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1549         int len;
1550
1551         if (perf_sample__bad_synth_size(sample, *data))
1552                 return 0;
1553
1554         len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1555                       data->hw, data->cstate, data->subcstate);
1556         return len + perf_sample__fprintf_pt_spacing(len, fp);
1557 }
1558
1559 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1560 {
1561         struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1562         int len;
1563
1564         if (perf_sample__bad_synth_size(sample, *data))
1565                 return 0;
1566
1567         len = fprintf(fp, " IP: %u ", data->ip);
1568         return len + perf_sample__fprintf_pt_spacing(len, fp);
1569 }
1570
1571 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1572 {
1573         struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1574         int len;
1575
1576         if (perf_sample__bad_synth_size(sample, *data))
1577                 return 0;
1578
1579         len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1580                      data->deepest_cstate, data->last_cstate,
1581                      data->wake_reason);
1582         return len + perf_sample__fprintf_pt_spacing(len, fp);
1583 }
1584
1585 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1586 {
1587         struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1588         unsigned int percent, freq;
1589         int len;
1590
1591         if (perf_sample__bad_synth_size(sample, *data))
1592                 return 0;
1593
1594         freq = (le32_to_cpu(data->freq) + 500) / 1000;
1595         len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1596         if (data->max_nonturbo) {
1597                 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1598                 len += fprintf(fp, "(%3u%%) ", percent);
1599         }
1600         return len + perf_sample__fprintf_pt_spacing(len, fp);
1601 }
1602
1603 static int perf_sample__fprintf_synth(struct perf_sample *sample,
1604                                       struct evsel *evsel, FILE *fp)
1605 {
1606         switch (evsel->core.attr.config) {
1607         case PERF_SYNTH_INTEL_PTWRITE:
1608                 return perf_sample__fprintf_synth_ptwrite(sample, fp);
1609         case PERF_SYNTH_INTEL_MWAIT:
1610                 return perf_sample__fprintf_synth_mwait(sample, fp);
1611         case PERF_SYNTH_INTEL_PWRE:
1612                 return perf_sample__fprintf_synth_pwre(sample, fp);
1613         case PERF_SYNTH_INTEL_EXSTOP:
1614                 return perf_sample__fprintf_synth_exstop(sample, fp);
1615         case PERF_SYNTH_INTEL_PWRX:
1616                 return perf_sample__fprintf_synth_pwrx(sample, fp);
1617         case PERF_SYNTH_INTEL_CBR:
1618                 return perf_sample__fprintf_synth_cbr(sample, fp);
1619         default:
1620                 break;
1621         }
1622
1623         return 0;
1624 }
1625
1626 struct perf_script {
1627         struct perf_tool        tool;
1628         struct perf_session     *session;
1629         bool                    show_task_events;
1630         bool                    show_mmap_events;
1631         bool                    show_switch_events;
1632         bool                    show_namespace_events;
1633         bool                    show_lost_events;
1634         bool                    show_round_events;
1635         bool                    show_bpf_events;
1636         bool                    allocated;
1637         bool                    per_event_dump;
1638         struct evswitch         evswitch;
1639         struct perf_cpu_map     *cpus;
1640         struct perf_thread_map *threads;
1641         int                     name_width;
1642         const char              *time_str;
1643         struct perf_time_interval *ptime_range;
1644         int                     range_size;
1645         int                     range_num;
1646 };
1647
1648 static int perf_evlist__max_name_len(struct evlist *evlist)
1649 {
1650         struct evsel *evsel;
1651         int max = 0;
1652
1653         evlist__for_each_entry(evlist, evsel) {
1654                 int len = strlen(perf_evsel__name(evsel));
1655
1656                 max = MAX(len, max);
1657         }
1658
1659         return max;
1660 }
1661
1662 static int data_src__fprintf(u64 data_src, FILE *fp)
1663 {
1664         struct mem_info mi = { .data_src.val = data_src };
1665         char decode[100];
1666         char out[100];
1667         static int maxlen;
1668         int len;
1669
1670         perf_script__meminfo_scnprintf(decode, 100, &mi);
1671
1672         len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
1673         if (maxlen < len)
1674                 maxlen = len;
1675
1676         return fprintf(fp, "%-*s", maxlen, out);
1677 }
1678
1679 struct metric_ctx {
1680         struct perf_sample      *sample;
1681         struct thread           *thread;
1682         struct evsel    *evsel;
1683         FILE                    *fp;
1684 };
1685
1686 static void script_print_metric(struct perf_stat_config *config __maybe_unused,
1687                                 void *ctx, const char *color,
1688                                 const char *fmt,
1689                                 const char *unit, double val)
1690 {
1691         struct metric_ctx *mctx = ctx;
1692
1693         if (!fmt)
1694                 return;
1695         perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
1696                                    PERF_RECORD_SAMPLE, mctx->fp);
1697         fputs("\tmetric: ", mctx->fp);
1698         if (color)
1699                 color_fprintf(mctx->fp, color, fmt, val);
1700         else
1701                 printf(fmt, val);
1702         fprintf(mctx->fp, " %s\n", unit);
1703 }
1704
1705 static void script_new_line(struct perf_stat_config *config __maybe_unused,
1706                             void *ctx)
1707 {
1708         struct metric_ctx *mctx = ctx;
1709
1710         perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
1711                                    PERF_RECORD_SAMPLE, mctx->fp);
1712         fputs("\tmetric: ", mctx->fp);
1713 }
1714
1715 static void perf_sample__fprint_metric(struct perf_script *script,
1716                                        struct thread *thread,
1717                                        struct evsel *evsel,
1718                                        struct perf_sample *sample,
1719                                        FILE *fp)
1720 {
1721         struct perf_stat_output_ctx ctx = {
1722                 .print_metric = script_print_metric,
1723                 .new_line = script_new_line,
1724                 .ctx = &(struct metric_ctx) {
1725                                 .sample = sample,
1726                                 .thread = thread,
1727                                 .evsel  = evsel,
1728                                 .fp     = fp,
1729                          },
1730                 .force_header = false,
1731         };
1732         struct evsel *ev2;
1733         u64 val;
1734
1735         if (!evsel->stats)
1736                 perf_evlist__alloc_stats(script->session->evlist, false);
1737         if (evsel_script(evsel->leader)->gnum++ == 0)
1738                 perf_stat__reset_shadow_stats();
1739         val = sample->period * evsel->scale;
1740         perf_stat__update_shadow_stats(evsel,
1741                                        val,
1742                                        sample->cpu,
1743                                        &rt_stat);
1744         evsel_script(evsel)->val = val;
1745         if (evsel_script(evsel->leader)->gnum == evsel->leader->core.nr_members) {
1746                 for_each_group_member (ev2, evsel->leader) {
1747                         perf_stat__print_shadow_stats(&stat_config, ev2,
1748                                                       evsel_script(ev2)->val,
1749                                                       sample->cpu,
1750                                                       &ctx,
1751                                                       NULL,
1752                                                       &rt_stat);
1753                 }
1754                 evsel_script(evsel->leader)->gnum = 0;
1755         }
1756 }
1757
1758 static bool show_event(struct perf_sample *sample,
1759                        struct evsel *evsel,
1760                        struct thread *thread,
1761                        struct addr_location *al)
1762 {
1763         int depth = thread_stack__depth(thread, sample->cpu);
1764
1765         if (!symbol_conf.graph_function)
1766                 return true;
1767
1768         if (thread->filter) {
1769                 if (depth <= thread->filter_entry_depth) {
1770                         thread->filter = false;
1771                         return false;
1772                 }
1773                 return true;
1774         } else {
1775                 const char *s = symbol_conf.graph_function;
1776                 u64 ip;
1777                 const char *name = resolve_branch_sym(sample, evsel, thread, al,
1778                                 &ip);
1779                 unsigned nlen;
1780
1781                 if (!name)
1782                         return false;
1783                 nlen = strlen(name);
1784                 while (*s) {
1785                         unsigned len = strcspn(s, ",");
1786                         if (nlen == len && !strncmp(name, s, len)) {
1787                                 thread->filter = true;
1788                                 thread->filter_entry_depth = depth;
1789                                 return true;
1790                         }
1791                         s += len;
1792                         if (*s == ',')
1793                                 s++;
1794                 }
1795                 return false;
1796         }
1797 }
1798
1799 static void process_event(struct perf_script *script,
1800                           struct perf_sample *sample, struct evsel *evsel,
1801                           struct addr_location *al,
1802                           struct machine *machine)
1803 {
1804         struct thread *thread = al->thread;
1805         struct perf_event_attr *attr = &evsel->core.attr;
1806         unsigned int type = output_type(attr->type);
1807         struct evsel_script *es = evsel->priv;
1808         FILE *fp = es->fp;
1809
1810         if (output[type].fields == 0)
1811                 return;
1812
1813         if (!show_event(sample, evsel, thread, al))
1814                 return;
1815
1816         if (evswitch__discard(&script->evswitch, evsel))
1817                 return;
1818
1819         ++es->samples;
1820
1821         perf_sample__fprintf_start(sample, thread, evsel,
1822                                    PERF_RECORD_SAMPLE, fp);
1823
1824         if (PRINT_FIELD(PERIOD))
1825                 fprintf(fp, "%10" PRIu64 " ", sample->period);
1826
1827         if (PRINT_FIELD(EVNAME)) {
1828                 const char *evname = perf_evsel__name(evsel);
1829
1830                 if (!script->name_width)
1831                         script->name_width = perf_evlist__max_name_len(script->session->evlist);
1832
1833                 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
1834         }
1835
1836         if (print_flags)
1837                 perf_sample__fprintf_flags(sample->flags, fp);
1838
1839         if (is_bts_event(attr)) {
1840                 perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp);
1841                 return;
1842         }
1843
1844         if (PRINT_FIELD(TRACE) && sample->raw_data) {
1845                 event_format__fprintf(evsel->tp_format, sample->cpu,
1846                                       sample->raw_data, sample->raw_size, fp);
1847         }
1848
1849         if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
1850                 perf_sample__fprintf_synth(sample, evsel, fp);
1851
1852         if (PRINT_FIELD(ADDR))
1853                 perf_sample__fprintf_addr(sample, thread, attr, fp);
1854
1855         if (PRINT_FIELD(DATA_SRC))
1856                 data_src__fprintf(sample->data_src, fp);
1857
1858         if (PRINT_FIELD(WEIGHT))
1859                 fprintf(fp, "%16" PRIu64, sample->weight);
1860
1861         if (PRINT_FIELD(IP)) {
1862                 struct callchain_cursor *cursor = NULL;
1863
1864                 if (symbol_conf.use_callchain && sample->callchain &&
1865                     thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1866                                               sample, NULL, NULL, scripting_max_stack) == 0)
1867                         cursor = &callchain_cursor;
1868
1869                 fputc(cursor ? '\n' : ' ', fp);
1870                 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, fp);
1871         }
1872
1873         if (PRINT_FIELD(IREGS))
1874                 perf_sample__fprintf_iregs(sample, attr, fp);
1875
1876         if (PRINT_FIELD(UREGS))
1877                 perf_sample__fprintf_uregs(sample, attr, fp);
1878
1879         if (PRINT_FIELD(BRSTACK))
1880                 perf_sample__fprintf_brstack(sample, thread, attr, fp);
1881         else if (PRINT_FIELD(BRSTACKSYM))
1882                 perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
1883         else if (PRINT_FIELD(BRSTACKOFF))
1884                 perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
1885
1886         if (perf_evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
1887                 perf_sample__fprintf_bpf_output(sample, fp);
1888         perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1889
1890         if (PRINT_FIELD(PHYS_ADDR))
1891                 fprintf(fp, "%16" PRIx64, sample->phys_addr);
1892
1893         perf_sample__fprintf_ipc(sample, attr, fp);
1894
1895         fprintf(fp, "\n");
1896
1897         if (PRINT_FIELD(SRCCODE)) {
1898                 if (map__fprintf_srccode(al->map, al->addr, stdout,
1899                                          &thread->srccode_state))
1900                         printf("\n");
1901         }
1902
1903         if (PRINT_FIELD(METRIC))
1904                 perf_sample__fprint_metric(script, thread, evsel, sample, fp);
1905
1906         if (verbose)
1907                 fflush(fp);
1908 }
1909
1910 static struct scripting_ops     *scripting_ops;
1911
1912 static void __process_stat(struct evsel *counter, u64 tstamp)
1913 {
1914         int nthreads = perf_thread_map__nr(counter->core.threads);
1915         int ncpus = perf_evsel__nr_cpus(counter);
1916         int cpu, thread;
1917         static int header_printed;
1918
1919         if (counter->system_wide)
1920                 nthreads = 1;
1921
1922         if (!header_printed) {
1923                 printf("%3s %8s %15s %15s %15s %15s %s\n",
1924                        "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
1925                 header_printed = 1;
1926         }
1927
1928         for (thread = 0; thread < nthreads; thread++) {
1929                 for (cpu = 0; cpu < ncpus; cpu++) {
1930                         struct perf_counts_values *counts;
1931
1932                         counts = perf_counts(counter->counts, cpu, thread);
1933
1934                         printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
1935                                 counter->core.cpus->map[cpu],
1936                                 perf_thread_map__pid(counter->core.threads, thread),
1937                                 counts->val,
1938                                 counts->ena,
1939                                 counts->run,
1940                                 tstamp,
1941                                 perf_evsel__name(counter));
1942                 }
1943         }
1944 }
1945
1946 static void process_stat(struct evsel *counter, u64 tstamp)
1947 {
1948         if (scripting_ops && scripting_ops->process_stat)
1949                 scripting_ops->process_stat(&stat_config, counter, tstamp);
1950         else
1951                 __process_stat(counter, tstamp);
1952 }
1953
1954 static void process_stat_interval(u64 tstamp)
1955 {
1956         if (scripting_ops && scripting_ops->process_stat_interval)
1957                 scripting_ops->process_stat_interval(tstamp);
1958 }
1959
1960 static void setup_scripting(void)
1961 {
1962         setup_perl_scripting();
1963         setup_python_scripting();
1964 }
1965
1966 static int flush_scripting(void)
1967 {
1968         return scripting_ops ? scripting_ops->flush_script() : 0;
1969 }
1970
1971 static int cleanup_scripting(void)
1972 {
1973         pr_debug("\nperf script stopped\n");
1974
1975         return scripting_ops ? scripting_ops->stop_script() : 0;
1976 }
1977
1978 static bool filter_cpu(struct perf_sample *sample)
1979 {
1980         if (cpu_list)
1981                 return !test_bit(sample->cpu, cpu_bitmap);
1982         return false;
1983 }
1984
1985 static int process_sample_event(struct perf_tool *tool,
1986                                 union perf_event *event,
1987                                 struct perf_sample *sample,
1988                                 struct evsel *evsel,
1989                                 struct machine *machine)
1990 {
1991         struct perf_script *scr = container_of(tool, struct perf_script, tool);
1992         struct addr_location al;
1993
1994         if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
1995                                           sample->time)) {
1996                 return 0;
1997         }
1998
1999         if (debug_mode) {
2000                 if (sample->time < last_timestamp) {
2001                         pr_err("Samples misordered, previous: %" PRIu64
2002                                 " this: %" PRIu64 "\n", last_timestamp,
2003                                 sample->time);
2004                         nr_unordered++;
2005                 }
2006                 last_timestamp = sample->time;
2007                 return 0;
2008         }
2009
2010         if (machine__resolve(machine, &al, sample) < 0) {
2011                 pr_err("problem processing %d event, skipping it.\n",
2012                        event->header.type);
2013                 return -1;
2014         }
2015
2016         if (al.filtered)
2017                 goto out_put;
2018
2019         if (filter_cpu(sample))
2020                 goto out_put;
2021
2022         if (scripting_ops)
2023                 scripting_ops->process_event(event, sample, evsel, &al);
2024         else
2025                 process_event(scr, sample, evsel, &al, machine);
2026
2027 out_put:
2028         addr_location__put(&al);
2029         return 0;
2030 }
2031
2032 static int process_attr(struct perf_tool *tool, union perf_event *event,
2033                         struct evlist **pevlist)
2034 {
2035         struct perf_script *scr = container_of(tool, struct perf_script, tool);
2036         struct evlist *evlist;
2037         struct evsel *evsel, *pos;
2038         int err;
2039         static struct evsel_script *es;
2040
2041         err = perf_event__process_attr(tool, event, pevlist);
2042         if (err)
2043                 return err;
2044
2045         evlist = *pevlist;
2046         evsel = perf_evlist__last(*pevlist);
2047
2048         if (!evsel->priv) {
2049                 if (scr->per_event_dump) {
2050                         evsel->priv = perf_evsel_script__new(evsel,
2051                                                 scr->session->data);
2052                 } else {
2053                         es = zalloc(sizeof(*es));
2054                         if (!es)
2055                                 return -ENOMEM;
2056                         es->fp = stdout;
2057                         evsel->priv = es;
2058                 }
2059         }
2060
2061         if (evsel->core.attr.type >= PERF_TYPE_MAX &&
2062             evsel->core.attr.type != PERF_TYPE_SYNTH)
2063                 return 0;
2064
2065         evlist__for_each_entry(evlist, pos) {
2066                 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel)
2067                         return 0;
2068         }
2069
2070         set_print_ip_opts(&evsel->core.attr);
2071
2072         if (evsel->core.attr.sample_type)
2073                 err = perf_evsel__check_attr(evsel, scr->session);
2074
2075         return err;
2076 }
2077
2078 static int process_comm_event(struct perf_tool *tool,
2079                               union perf_event *event,
2080                               struct perf_sample *sample,
2081                               struct machine *machine)
2082 {
2083         struct thread *thread;
2084         struct perf_script *script = container_of(tool, struct perf_script, tool);
2085         struct perf_session *session = script->session;
2086         struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2087         int ret = -1;
2088
2089         thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid);
2090         if (thread == NULL) {
2091                 pr_debug("problem processing COMM event, skipping it.\n");
2092                 return -1;
2093         }
2094
2095         if (perf_event__process_comm(tool, event, sample, machine) < 0)
2096                 goto out;
2097
2098         if (!evsel->core.attr.sample_id_all) {
2099                 sample->cpu = 0;
2100                 sample->time = 0;
2101                 sample->tid = event->comm.tid;
2102                 sample->pid = event->comm.pid;
2103         }
2104         if (!filter_cpu(sample)) {
2105                 perf_sample__fprintf_start(sample, thread, evsel,
2106                                    PERF_RECORD_COMM, stdout);
2107                 perf_event__fprintf(event, stdout);
2108         }
2109         ret = 0;
2110 out:
2111         thread__put(thread);
2112         return ret;
2113 }
2114
2115 static int process_namespaces_event(struct perf_tool *tool,
2116                                     union perf_event *event,
2117                                     struct perf_sample *sample,
2118                                     struct machine *machine)
2119 {
2120         struct thread *thread;
2121         struct perf_script *script = container_of(tool, struct perf_script, tool);
2122         struct perf_session *session = script->session;
2123         struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2124         int ret = -1;
2125
2126         thread = machine__findnew_thread(machine, event->namespaces.pid,
2127                                          event->namespaces.tid);
2128         if (thread == NULL) {
2129                 pr_debug("problem processing NAMESPACES event, skipping it.\n");
2130                 return -1;
2131         }
2132
2133         if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
2134                 goto out;
2135
2136         if (!evsel->core.attr.sample_id_all) {
2137                 sample->cpu = 0;
2138                 sample->time = 0;
2139                 sample->tid = event->namespaces.tid;
2140                 sample->pid = event->namespaces.pid;
2141         }
2142         if (!filter_cpu(sample)) {
2143                 perf_sample__fprintf_start(sample, thread, evsel,
2144                                            PERF_RECORD_NAMESPACES, stdout);
2145                 perf_event__fprintf(event, stdout);
2146         }
2147         ret = 0;
2148 out:
2149         thread__put(thread);
2150         return ret;
2151 }
2152
2153 static int process_fork_event(struct perf_tool *tool,
2154                               union perf_event *event,
2155                               struct perf_sample *sample,
2156                               struct machine *machine)
2157 {
2158         struct thread *thread;
2159         struct perf_script *script = container_of(tool, struct perf_script, tool);
2160         struct perf_session *session = script->session;
2161         struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2162
2163         if (perf_event__process_fork(tool, event, sample, machine) < 0)
2164                 return -1;
2165
2166         thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
2167         if (thread == NULL) {
2168                 pr_debug("problem processing FORK event, skipping it.\n");
2169                 return -1;
2170         }
2171
2172         if (!evsel->core.attr.sample_id_all) {
2173                 sample->cpu = 0;
2174                 sample->time = event->fork.time;
2175                 sample->tid = event->fork.tid;
2176                 sample->pid = event->fork.pid;
2177         }
2178         if (!filter_cpu(sample)) {
2179                 perf_sample__fprintf_start(sample, thread, evsel,
2180                                            PERF_RECORD_FORK, stdout);
2181                 perf_event__fprintf(event, stdout);
2182         }
2183         thread__put(thread);
2184
2185         return 0;
2186 }
2187 static int process_exit_event(struct perf_tool *tool,
2188                               union perf_event *event,
2189                               struct perf_sample *sample,
2190                               struct machine *machine)
2191 {
2192         int err = 0;
2193         struct thread *thread;
2194         struct perf_script *script = container_of(tool, struct perf_script, tool);
2195         struct perf_session *session = script->session;
2196         struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2197
2198         thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
2199         if (thread == NULL) {
2200                 pr_debug("problem processing EXIT event, skipping it.\n");
2201                 return -1;
2202         }
2203
2204         if (!evsel->core.attr.sample_id_all) {
2205                 sample->cpu = 0;
2206                 sample->time = 0;
2207                 sample->tid = event->fork.tid;
2208                 sample->pid = event->fork.pid;
2209         }
2210         if (!filter_cpu(sample)) {
2211                 perf_sample__fprintf_start(sample, thread, evsel,
2212                                            PERF_RECORD_EXIT, stdout);
2213                 perf_event__fprintf(event, stdout);
2214         }
2215
2216         if (perf_event__process_exit(tool, event, sample, machine) < 0)
2217                 err = -1;
2218
2219         thread__put(thread);
2220         return err;
2221 }
2222
2223 static int process_mmap_event(struct perf_tool *tool,
2224                               union perf_event *event,
2225                               struct perf_sample *sample,
2226                               struct machine *machine)
2227 {
2228         struct thread *thread;
2229         struct perf_script *script = container_of(tool, struct perf_script, tool);
2230         struct perf_session *session = script->session;
2231         struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2232
2233         if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2234                 return -1;
2235
2236         thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid);
2237         if (thread == NULL) {
2238                 pr_debug("problem processing MMAP event, skipping it.\n");
2239                 return -1;
2240         }
2241
2242         if (!evsel->core.attr.sample_id_all) {
2243                 sample->cpu = 0;
2244                 sample->time = 0;
2245                 sample->tid = event->mmap.tid;
2246                 sample->pid = event->mmap.pid;
2247         }
2248         if (!filter_cpu(sample)) {
2249                 perf_sample__fprintf_start(sample, thread, evsel,
2250                                            PERF_RECORD_MMAP, stdout);
2251                 perf_event__fprintf(event, stdout);
2252         }
2253         thread__put(thread);
2254         return 0;
2255 }
2256
2257 static int process_mmap2_event(struct perf_tool *tool,
2258                               union perf_event *event,
2259                               struct perf_sample *sample,
2260                               struct machine *machine)
2261 {
2262         struct thread *thread;
2263         struct perf_script *script = container_of(tool, struct perf_script, tool);
2264         struct perf_session *session = script->session;
2265         struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2266
2267         if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2268                 return -1;
2269
2270         thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid);
2271         if (thread == NULL) {
2272                 pr_debug("problem processing MMAP2 event, skipping it.\n");
2273                 return -1;
2274         }
2275
2276         if (!evsel->core.attr.sample_id_all) {
2277                 sample->cpu = 0;
2278                 sample->time = 0;
2279                 sample->tid = event->mmap2.tid;
2280                 sample->pid = event->mmap2.pid;
2281         }
2282         if (!filter_cpu(sample)) {
2283                 perf_sample__fprintf_start(sample, thread, evsel,
2284                                            PERF_RECORD_MMAP2, stdout);
2285                 perf_event__fprintf(event, stdout);
2286         }
2287         thread__put(thread);
2288         return 0;
2289 }
2290
2291 static int process_switch_event(struct perf_tool *tool,
2292                                 union perf_event *event,
2293                                 struct perf_sample *sample,
2294                                 struct machine *machine)
2295 {
2296         struct thread *thread;
2297         struct perf_script *script = container_of(tool, struct perf_script, tool);
2298         struct perf_session *session = script->session;
2299         struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2300
2301         if (perf_event__process_switch(tool, event, sample, machine) < 0)
2302                 return -1;
2303
2304         if (scripting_ops && scripting_ops->process_switch)
2305                 scripting_ops->process_switch(event, sample, machine);
2306
2307         if (!script->show_switch_events)
2308                 return 0;
2309
2310         thread = machine__findnew_thread(machine, sample->pid,
2311                                          sample->tid);
2312         if (thread == NULL) {
2313                 pr_debug("problem processing SWITCH event, skipping it.\n");
2314                 return -1;
2315         }
2316
2317         if (!filter_cpu(sample)) {
2318                 perf_sample__fprintf_start(sample, thread, evsel,
2319                                            PERF_RECORD_SWITCH, stdout);
2320                 perf_event__fprintf(event, stdout);
2321         }
2322         thread__put(thread);
2323         return 0;
2324 }
2325
2326 static int
2327 process_lost_event(struct perf_tool *tool,
2328                    union perf_event *event,
2329                    struct perf_sample *sample,
2330                    struct machine *machine)
2331 {
2332         struct perf_script *script = container_of(tool, struct perf_script, tool);
2333         struct perf_session *session = script->session;
2334         struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2335         struct thread *thread;
2336
2337         thread = machine__findnew_thread(machine, sample->pid,
2338                                          sample->tid);
2339         if (thread == NULL)
2340                 return -1;
2341
2342         if (!filter_cpu(sample)) {
2343                 perf_sample__fprintf_start(sample, thread, evsel,
2344                                            PERF_RECORD_LOST, stdout);
2345                 perf_event__fprintf(event, stdout);
2346         }
2347         thread__put(thread);
2348         return 0;
2349 }
2350
2351 static int
2352 process_finished_round_event(struct perf_tool *tool __maybe_unused,
2353                              union perf_event *event,
2354                              struct ordered_events *oe __maybe_unused)
2355
2356 {
2357         perf_event__fprintf(event, stdout);
2358         return 0;
2359 }
2360
2361 static int
2362 process_bpf_events(struct perf_tool *tool __maybe_unused,
2363                    union perf_event *event,
2364                    struct perf_sample *sample,
2365                    struct machine *machine)
2366 {
2367         struct thread *thread;
2368         struct perf_script *script = container_of(tool, struct perf_script, tool);
2369         struct perf_session *session = script->session;
2370         struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2371
2372         if (machine__process_ksymbol(machine, event, sample) < 0)
2373                 return -1;
2374
2375         if (!evsel->core.attr.sample_id_all) {
2376                 perf_event__fprintf(event, stdout);
2377                 return 0;
2378         }
2379
2380         thread = machine__findnew_thread(machine, sample->pid, sample->tid);
2381         if (thread == NULL) {
2382                 pr_debug("problem processing MMAP event, skipping it.\n");
2383                 return -1;
2384         }
2385
2386         if (!filter_cpu(sample)) {
2387                 perf_sample__fprintf_start(sample, thread, evsel,
2388                                            event->header.type, stdout);
2389                 perf_event__fprintf(event, stdout);
2390         }
2391
2392         thread__put(thread);
2393         return 0;
2394 }
2395
2396 static void sig_handler(int sig __maybe_unused)
2397 {
2398         session_done = 1;
2399 }
2400
2401 static void perf_script__fclose_per_event_dump(struct perf_script *script)
2402 {
2403         struct evlist *evlist = script->session->evlist;
2404         struct evsel *evsel;
2405
2406         evlist__for_each_entry(evlist, evsel) {
2407                 if (!evsel->priv)
2408                         break;
2409                 perf_evsel_script__delete(evsel->priv);
2410                 evsel->priv = NULL;
2411         }
2412 }
2413
2414 static int perf_script__fopen_per_event_dump(struct perf_script *script)
2415 {
2416         struct evsel *evsel;
2417
2418         evlist__for_each_entry(script->session->evlist, evsel) {
2419                 /*
2420                  * Already setup? I.e. we may be called twice in cases like
2421                  * Intel PT, one for the intel_pt// and dummy events, then
2422                  * for the evsels syntheized from the auxtrace info.
2423                  *
2424                  * Ses perf_script__process_auxtrace_info.
2425                  */
2426                 if (evsel->priv != NULL)
2427                         continue;
2428
2429                 evsel->priv = perf_evsel_script__new(evsel, script->session->data);
2430                 if (evsel->priv == NULL)
2431                         goto out_err_fclose;
2432         }
2433
2434         return 0;
2435
2436 out_err_fclose:
2437         perf_script__fclose_per_event_dump(script);
2438         return -1;
2439 }
2440
2441 static int perf_script__setup_per_event_dump(struct perf_script *script)
2442 {
2443         struct evsel *evsel;
2444         static struct evsel_script es_stdout;
2445
2446         if (script->per_event_dump)
2447                 return perf_script__fopen_per_event_dump(script);
2448
2449         es_stdout.fp = stdout;
2450
2451         evlist__for_each_entry(script->session->evlist, evsel)
2452                 evsel->priv = &es_stdout;
2453
2454         return 0;
2455 }
2456
2457 static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2458 {
2459         struct evsel *evsel;
2460
2461         evlist__for_each_entry(script->session->evlist, evsel) {
2462                 struct evsel_script *es = evsel->priv;
2463
2464                 perf_evsel_script__fprintf(es, stdout);
2465                 perf_evsel_script__delete(es);
2466                 evsel->priv = NULL;
2467         }
2468 }
2469
2470 static int __cmd_script(struct perf_script *script)
2471 {
2472         int ret;
2473
2474         signal(SIGINT, sig_handler);
2475
2476         perf_stat__init_shadow_stats();
2477
2478         /* override event processing functions */
2479         if (script->show_task_events) {
2480                 script->tool.comm = process_comm_event;
2481                 script->tool.fork = process_fork_event;
2482                 script->tool.exit = process_exit_event;
2483         }
2484         if (script->show_mmap_events) {
2485                 script->tool.mmap = process_mmap_event;
2486                 script->tool.mmap2 = process_mmap2_event;
2487         }
2488         if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch))
2489                 script->tool.context_switch = process_switch_event;
2490         if (script->show_namespace_events)
2491                 script->tool.namespaces = process_namespaces_event;
2492         if (script->show_lost_events)
2493                 script->tool.lost = process_lost_event;
2494         if (script->show_round_events) {
2495                 script->tool.ordered_events = false;
2496                 script->tool.finished_round = process_finished_round_event;
2497         }
2498         if (script->show_bpf_events) {
2499                 script->tool.ksymbol = process_bpf_events;
2500                 script->tool.bpf     = process_bpf_events;
2501         }
2502
2503         if (perf_script__setup_per_event_dump(script)) {
2504                 pr_err("Couldn't create the per event dump files\n");
2505                 return -1;
2506         }
2507
2508         ret = perf_session__process_events(script->session);
2509
2510         if (script->per_event_dump)
2511                 perf_script__exit_per_event_dump_stats(script);
2512
2513         if (debug_mode)
2514                 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2515
2516         return ret;
2517 }
2518
2519 struct script_spec {
2520         struct list_head        node;
2521         struct scripting_ops    *ops;
2522         char                    spec[0];
2523 };
2524
2525 static LIST_HEAD(script_specs);
2526
2527 static struct script_spec *script_spec__new(const char *spec,
2528                                             struct scripting_ops *ops)
2529 {
2530         struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2531
2532         if (s != NULL) {
2533                 strcpy(s->spec, spec);
2534                 s->ops = ops;
2535         }
2536
2537         return s;
2538 }
2539
2540 static void script_spec__add(struct script_spec *s)
2541 {
2542         list_add_tail(&s->node, &script_specs);
2543 }
2544
2545 static struct script_spec *script_spec__find(const char *spec)
2546 {
2547         struct script_spec *s;
2548
2549         list_for_each_entry(s, &script_specs, node)
2550                 if (strcasecmp(s->spec, spec) == 0)
2551                         return s;
2552         return NULL;
2553 }
2554
2555 int script_spec_register(const char *spec, struct scripting_ops *ops)
2556 {
2557         struct script_spec *s;
2558
2559         s = script_spec__find(spec);
2560         if (s)
2561                 return -1;
2562
2563         s = script_spec__new(spec, ops);
2564         if (!s)
2565                 return -1;
2566         else
2567                 script_spec__add(s);
2568
2569         return 0;
2570 }
2571
2572 static struct scripting_ops *script_spec__lookup(const char *spec)
2573 {
2574         struct script_spec *s = script_spec__find(spec);
2575         if (!s)
2576                 return NULL;
2577
2578         return s->ops;
2579 }
2580
2581 static void list_available_languages(void)
2582 {
2583         struct script_spec *s;
2584
2585         fprintf(stderr, "\n");
2586         fprintf(stderr, "Scripting language extensions (used in "
2587                 "perf script -s [spec:]script.[spec]):\n\n");
2588
2589         list_for_each_entry(s, &script_specs, node)
2590                 fprintf(stderr, "  %-42s [%s]\n", s->spec, s->ops->name);
2591
2592         fprintf(stderr, "\n");
2593 }
2594
2595 static int parse_scriptname(const struct option *opt __maybe_unused,
2596                             const char *str, int unset __maybe_unused)
2597 {
2598         char spec[PATH_MAX];
2599         const char *script, *ext;
2600         int len;
2601
2602         if (strcmp(str, "lang") == 0) {
2603                 list_available_languages();
2604                 exit(0);
2605         }
2606
2607         script = strchr(str, ':');
2608         if (script) {
2609                 len = script - str;
2610                 if (len >= PATH_MAX) {
2611                         fprintf(stderr, "invalid language specifier");
2612                         return -1;
2613                 }
2614                 strncpy(spec, str, len);
2615                 spec[len] = '\0';
2616                 scripting_ops = script_spec__lookup(spec);
2617                 if (!scripting_ops) {
2618                         fprintf(stderr, "invalid language specifier");
2619                         return -1;
2620                 }
2621                 script++;
2622         } else {
2623                 script = str;
2624                 ext = strrchr(script, '.');
2625                 if (!ext) {
2626                         fprintf(stderr, "invalid script extension");
2627                         return -1;
2628                 }
2629                 scripting_ops = script_spec__lookup(++ext);
2630                 if (!scripting_ops) {
2631                         fprintf(stderr, "invalid script extension");
2632                         return -1;
2633                 }
2634         }
2635
2636         script_name = strdup(script);
2637
2638         return 0;
2639 }
2640
2641 static int parse_output_fields(const struct option *opt __maybe_unused,
2642                             const char *arg, int unset __maybe_unused)
2643 {
2644         char *tok, *strtok_saveptr = NULL;
2645         int i, imax = ARRAY_SIZE(all_output_options);
2646         int j;
2647         int rc = 0;
2648         char *str = strdup(arg);
2649         int type = -1;
2650         enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
2651
2652         if (!str)
2653                 return -ENOMEM;
2654
2655         /* first word can state for which event type the user is specifying
2656          * the fields. If no type exists, the specified fields apply to all
2657          * event types found in the file minus the invalid fields for a type.
2658          */
2659         tok = strchr(str, ':');
2660         if (tok) {
2661                 *tok = '\0';
2662                 tok++;
2663                 if (!strcmp(str, "hw"))
2664                         type = PERF_TYPE_HARDWARE;
2665                 else if (!strcmp(str, "sw"))
2666                         type = PERF_TYPE_SOFTWARE;
2667                 else if (!strcmp(str, "trace"))
2668                         type = PERF_TYPE_TRACEPOINT;
2669                 else if (!strcmp(str, "raw"))
2670                         type = PERF_TYPE_RAW;
2671                 else if (!strcmp(str, "break"))
2672                         type = PERF_TYPE_BREAKPOINT;
2673                 else if (!strcmp(str, "synth"))
2674                         type = OUTPUT_TYPE_SYNTH;
2675                 else {
2676                         fprintf(stderr, "Invalid event type in field string.\n");
2677                         rc = -EINVAL;
2678                         goto out;
2679                 }
2680
2681                 if (output[type].user_set)
2682                         pr_warning("Overriding previous field request for %s events.\n",
2683                                    event_type(type));
2684
2685                 /* Don't override defaults for +- */
2686                 if (strchr(tok, '+') || strchr(tok, '-'))
2687                         goto parse;
2688
2689                 output[type].fields = 0;
2690                 output[type].user_set = true;
2691                 output[type].wildcard_set = false;
2692
2693         } else {
2694                 tok = str;
2695                 if (strlen(str) == 0) {
2696                         fprintf(stderr,
2697                                 "Cannot set fields to 'none' for all event types.\n");
2698                         rc = -EINVAL;
2699                         goto out;
2700                 }
2701
2702                 /* Don't override defaults for +- */
2703                 if (strchr(str, '+') || strchr(str, '-'))
2704                         goto parse;
2705
2706                 if (output_set_by_user())
2707                         pr_warning("Overriding previous field request for all events.\n");
2708
2709                 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2710                         output[j].fields = 0;
2711                         output[j].user_set = true;
2712                         output[j].wildcard_set = true;
2713                 }
2714         }
2715
2716 parse:
2717         for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
2718                 if (*tok == '+') {
2719                         if (change == SET)
2720                                 goto out_badmix;
2721                         change = ADD;
2722                         tok++;
2723                 } else if (*tok == '-') {
2724                         if (change == SET)
2725                                 goto out_badmix;
2726                         change = REMOVE;
2727                         tok++;
2728                 } else {
2729                         if (change != SET && change != DEFAULT)
2730                                 goto out_badmix;
2731                         change = SET;
2732                 }
2733
2734                 for (i = 0; i < imax; ++i) {
2735                         if (strcmp(tok, all_output_options[i].str) == 0)
2736                                 break;
2737                 }
2738                 if (i == imax && strcmp(tok, "flags") == 0) {
2739                         print_flags = change == REMOVE ? false : true;
2740                         continue;
2741                 }
2742                 if (i == imax) {
2743                         fprintf(stderr, "Invalid field requested.\n");
2744                         rc = -EINVAL;
2745                         goto out;
2746                 }
2747
2748                 if (type == -1) {
2749                         /* add user option to all events types for
2750                          * which it is valid
2751                          */
2752                         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2753                                 if (output[j].invalid_fields & all_output_options[i].field) {
2754                                         pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
2755                                                    all_output_options[i].str, event_type(j));
2756                                 } else {
2757                                         if (change == REMOVE) {
2758                                                 output[j].fields &= ~all_output_options[i].field;
2759                                                 output[j].user_set_fields &= ~all_output_options[i].field;
2760                                         } else {
2761                                                 output[j].fields |= all_output_options[i].field;
2762                                                 output[j].user_set_fields |= all_output_options[i].field;
2763                                         }
2764                                         output[j].user_set = true;
2765                                         output[j].wildcard_set = true;
2766                                 }
2767                         }
2768                 } else {
2769                         if (output[type].invalid_fields & all_output_options[i].field) {
2770                                 fprintf(stderr, "\'%s\' not valid for %s events.\n",
2771                                          all_output_options[i].str, event_type(type));
2772
2773                                 rc = -EINVAL;
2774                                 goto out;
2775                         }
2776                         if (change == REMOVE)
2777                                 output[type].fields &= ~all_output_options[i].field;
2778                         else
2779                                 output[type].fields |= all_output_options[i].field;
2780                         output[type].user_set = true;
2781                         output[type].wildcard_set = true;
2782                 }
2783         }
2784
2785         if (type >= 0) {
2786                 if (output[type].fields == 0) {
2787                         pr_debug("No fields requested for %s type. "
2788                                  "Events will not be displayed.\n", event_type(type));
2789                 }
2790         }
2791         goto out;
2792
2793 out_badmix:
2794         fprintf(stderr, "Cannot mix +-field with overridden fields\n");
2795         rc = -EINVAL;
2796 out:
2797         free(str);
2798         return rc;
2799 }
2800
2801 #define for_each_lang(scripts_path, scripts_dir, lang_dirent)           \
2802         while ((lang_dirent = readdir(scripts_dir)) != NULL)            \
2803                 if ((lang_dirent->d_type == DT_DIR ||                   \
2804                      (lang_dirent->d_type == DT_UNKNOWN &&              \
2805                       is_directory(scripts_path, lang_dirent))) &&      \
2806                     (strcmp(lang_dirent->d_name, ".")) &&               \
2807                     (strcmp(lang_dirent->d_name, "..")))
2808
2809 #define for_each_script(lang_path, lang_dir, script_dirent)             \
2810         while ((script_dirent = readdir(lang_dir)) != NULL)             \
2811                 if (script_dirent->d_type != DT_DIR &&                  \
2812                     (script_dirent->d_type != DT_UNKNOWN ||             \
2813                      !is_directory(lang_path, script_dirent)))
2814
2815
2816 #define RECORD_SUFFIX                   "-record"
2817 #define REPORT_SUFFIX                   "-report"
2818
2819 struct script_desc {
2820         struct list_head        node;
2821         char                    *name;
2822         char                    *half_liner;
2823         char                    *args;
2824 };
2825
2826 static LIST_HEAD(script_descs);
2827
2828 static struct script_desc *script_desc__new(const char *name)
2829 {
2830         struct script_desc *s = zalloc(sizeof(*s));
2831
2832         if (s != NULL && name)
2833                 s->name = strdup(name);
2834
2835         return s;
2836 }
2837
2838 static void script_desc__delete(struct script_desc *s)
2839 {
2840         zfree(&s->name);
2841         zfree(&s->half_liner);
2842         zfree(&s->args);
2843         free(s);
2844 }
2845
2846 static void script_desc__add(struct script_desc *s)
2847 {
2848         list_add_tail(&s->node, &script_descs);
2849 }
2850
2851 static struct script_desc *script_desc__find(const char *name)
2852 {
2853         struct script_desc *s;
2854
2855         list_for_each_entry(s, &script_descs, node)
2856                 if (strcasecmp(s->name, name) == 0)
2857                         return s;
2858         return NULL;
2859 }
2860
2861 static struct script_desc *script_desc__findnew(const char *name)
2862 {
2863         struct script_desc *s = script_desc__find(name);
2864
2865         if (s)
2866                 return s;
2867
2868         s = script_desc__new(name);
2869         if (!s)
2870                 return NULL;
2871
2872         script_desc__add(s);
2873
2874         return s;
2875 }
2876
2877 static const char *ends_with(const char *str, const char *suffix)
2878 {
2879         size_t suffix_len = strlen(suffix);
2880         const char *p = str;
2881
2882         if (strlen(str) > suffix_len) {
2883                 p = str + strlen(str) - suffix_len;
2884                 if (!strncmp(p, suffix, suffix_len))
2885                         return p;
2886         }
2887
2888         return NULL;
2889 }
2890
2891 static int read_script_info(struct script_desc *desc, const char *filename)
2892 {
2893         char line[BUFSIZ], *p;
2894         FILE *fp;
2895
2896         fp = fopen(filename, "r");
2897         if (!fp)
2898                 return -1;
2899
2900         while (fgets(line, sizeof(line), fp)) {
2901                 p = skip_spaces(line);
2902                 if (strlen(p) == 0)
2903                         continue;
2904                 if (*p != '#')
2905                         continue;
2906                 p++;
2907                 if (strlen(p) && *p == '!')
2908                         continue;
2909
2910                 p = skip_spaces(p);
2911                 if (strlen(p) && p[strlen(p) - 1] == '\n')
2912                         p[strlen(p) - 1] = '\0';
2913
2914                 if (!strncmp(p, "description:", strlen("description:"))) {
2915                         p += strlen("description:");
2916                         desc->half_liner = strdup(skip_spaces(p));
2917                         continue;
2918                 }
2919
2920                 if (!strncmp(p, "args:", strlen("args:"))) {
2921                         p += strlen("args:");
2922                         desc->args = strdup(skip_spaces(p));
2923                         continue;
2924                 }
2925         }
2926
2927         fclose(fp);
2928
2929         return 0;
2930 }
2931
2932 static char *get_script_root(struct dirent *script_dirent, const char *suffix)
2933 {
2934         char *script_root, *str;
2935
2936         script_root = strdup(script_dirent->d_name);
2937         if (!script_root)
2938                 return NULL;
2939
2940         str = (char *)ends_with(script_root, suffix);
2941         if (!str) {
2942                 free(script_root);
2943                 return NULL;
2944         }
2945
2946         *str = '\0';
2947         return script_root;
2948 }
2949
2950 static int list_available_scripts(const struct option *opt __maybe_unused,
2951                                   const char *s __maybe_unused,
2952                                   int unset __maybe_unused)
2953 {
2954         struct dirent *script_dirent, *lang_dirent;
2955         char scripts_path[MAXPATHLEN];
2956         DIR *scripts_dir, *lang_dir;
2957         char script_path[MAXPATHLEN];
2958         char lang_path[MAXPATHLEN];
2959         struct script_desc *desc;
2960         char first_half[BUFSIZ];
2961         char *script_root;
2962
2963         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2964
2965         scripts_dir = opendir(scripts_path);
2966         if (!scripts_dir) {
2967                 fprintf(stdout,
2968                         "open(%s) failed.\n"
2969                         "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
2970                         scripts_path);
2971                 exit(-1);
2972         }
2973
2974         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2975                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
2976                           lang_dirent->d_name);
2977                 lang_dir = opendir(lang_path);
2978                 if (!lang_dir)
2979                         continue;
2980
2981                 for_each_script(lang_path, lang_dir, script_dirent) {
2982                         script_root = get_script_root(script_dirent, REPORT_SUFFIX);
2983                         if (script_root) {
2984                                 desc = script_desc__findnew(script_root);
2985                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
2986                                           lang_path, script_dirent->d_name);
2987                                 read_script_info(desc, script_path);
2988                                 free(script_root);
2989                         }
2990                 }
2991         }
2992
2993         fprintf(stdout, "List of available trace scripts:\n");
2994         list_for_each_entry(desc, &script_descs, node) {
2995                 sprintf(first_half, "%s %s", desc->name,
2996                         desc->args ? desc->args : "");
2997                 fprintf(stdout, "  %-36s %s\n", first_half,
2998                         desc->half_liner ? desc->half_liner : "");
2999         }
3000
3001         exit(0);
3002 }
3003
3004 /*
3005  * Some scripts specify the required events in their "xxx-record" file,
3006  * this function will check if the events in perf.data match those
3007  * mentioned in the "xxx-record".
3008  *
3009  * Fixme: All existing "xxx-record" are all in good formats "-e event ",
3010  * which is covered well now. And new parsing code should be added to
3011  * cover the future complexing formats like event groups etc.
3012  */
3013 static int check_ev_match(char *dir_name, char *scriptname,
3014                         struct perf_session *session)
3015 {
3016         char filename[MAXPATHLEN], evname[128];
3017         char line[BUFSIZ], *p;
3018         struct evsel *pos;
3019         int match, len;
3020         FILE *fp;
3021
3022         scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
3023
3024         fp = fopen(filename, "r");
3025         if (!fp)
3026                 return -1;
3027
3028         while (fgets(line, sizeof(line), fp)) {
3029                 p = skip_spaces(line);
3030                 if (*p == '#')
3031                         continue;
3032
3033                 while (strlen(p)) {
3034                         p = strstr(p, "-e");
3035                         if (!p)
3036                                 break;
3037
3038                         p += 2;
3039                         p = skip_spaces(p);
3040                         len = strcspn(p, " \t");
3041                         if (!len)
3042                                 break;
3043
3044                         snprintf(evname, len + 1, "%s", p);
3045
3046                         match = 0;
3047                         evlist__for_each_entry(session->evlist, pos) {
3048                                 if (!strcmp(perf_evsel__name(pos), evname)) {
3049                                         match = 1;
3050                                         break;
3051                                 }
3052                         }
3053
3054                         if (!match) {
3055                                 fclose(fp);
3056                                 return -1;
3057                         }
3058                 }
3059         }
3060
3061         fclose(fp);
3062         return 0;
3063 }
3064
3065 /*
3066  * Return -1 if none is found, otherwise the actual scripts number.
3067  *
3068  * Currently the only user of this function is the script browser, which
3069  * will list all statically runnable scripts, select one, execute it and
3070  * show the output in a perf browser.
3071  */
3072 int find_scripts(char **scripts_array, char **scripts_path_array, int num,
3073                  int pathlen)
3074 {
3075         struct dirent *script_dirent, *lang_dirent;
3076         char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
3077         DIR *scripts_dir, *lang_dir;
3078         struct perf_session *session;
3079         struct perf_data data = {
3080                 .path = input_name,
3081                 .mode = PERF_DATA_MODE_READ,
3082         };
3083         char *temp;
3084         int i = 0;
3085
3086         session = perf_session__new(&data, false, NULL);
3087         if (IS_ERR(session))
3088                 return PTR_ERR(session);
3089
3090         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3091
3092         scripts_dir = opendir(scripts_path);
3093         if (!scripts_dir) {
3094                 perf_session__delete(session);
3095                 return -1;
3096         }
3097
3098         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3099                 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
3100                           lang_dirent->d_name);
3101 #ifndef HAVE_LIBPERL_SUPPORT
3102                 if (strstr(lang_path, "perl"))
3103                         continue;
3104 #endif
3105 #ifndef HAVE_LIBPYTHON_SUPPORT
3106                 if (strstr(lang_path, "python"))
3107                         continue;
3108 #endif
3109
3110                 lang_dir = opendir(lang_path);
3111                 if (!lang_dir)
3112                         continue;
3113
3114                 for_each_script(lang_path, lang_dir, script_dirent) {
3115                         /* Skip those real time scripts: xxxtop.p[yl] */
3116                         if (strstr(script_dirent->d_name, "top."))
3117                                 continue;
3118                         if (i >= num)
3119                                 break;
3120                         snprintf(scripts_path_array[i], pathlen, "%s/%s",
3121                                 lang_path,
3122                                 script_dirent->d_name);
3123                         temp = strchr(script_dirent->d_name, '.');
3124                         snprintf(scripts_array[i],
3125                                 (temp - script_dirent->d_name) + 1,
3126                                 "%s", script_dirent->d_name);
3127
3128                         if (check_ev_match(lang_path,
3129                                         scripts_array[i], session))
3130                                 continue;
3131
3132                         i++;
3133                 }
3134                 closedir(lang_dir);
3135         }
3136
3137         closedir(scripts_dir);
3138         perf_session__delete(session);
3139         return i;
3140 }
3141
3142 static char *get_script_path(const char *script_root, const char *suffix)
3143 {
3144         struct dirent *script_dirent, *lang_dirent;
3145         char scripts_path[MAXPATHLEN];
3146         char script_path[MAXPATHLEN];
3147         DIR *scripts_dir, *lang_dir;
3148         char lang_path[MAXPATHLEN];
3149         char *__script_root;
3150
3151         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3152
3153         scripts_dir = opendir(scripts_path);
3154         if (!scripts_dir)
3155                 return NULL;
3156
3157         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3158                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3159                           lang_dirent->d_name);
3160                 lang_dir = opendir(lang_path);
3161                 if (!lang_dir)
3162                         continue;
3163
3164                 for_each_script(lang_path, lang_dir, script_dirent) {
3165                         __script_root = get_script_root(script_dirent, suffix);
3166                         if (__script_root && !strcmp(script_root, __script_root)) {
3167                                 free(__script_root);
3168                                 closedir(lang_dir);
3169                                 closedir(scripts_dir);
3170                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3171                                           lang_path, script_dirent->d_name);
3172                                 return strdup(script_path);
3173                         }
3174                         free(__script_root);
3175                 }
3176                 closedir(lang_dir);
3177         }
3178         closedir(scripts_dir);
3179
3180         return NULL;
3181 }
3182
3183 static bool is_top_script(const char *script_path)
3184 {
3185         return ends_with(script_path, "top") == NULL ? false : true;
3186 }
3187
3188 static int has_required_arg(char *script_path)
3189 {
3190         struct script_desc *desc;
3191         int n_args = 0;
3192         char *p;
3193
3194         desc = script_desc__new(NULL);
3195
3196         if (read_script_info(desc, script_path))
3197                 goto out;
3198
3199         if (!desc->args)
3200                 goto out;
3201
3202         for (p = desc->args; *p; p++)
3203                 if (*p == '<')
3204                         n_args++;
3205 out:
3206         script_desc__delete(desc);
3207
3208         return n_args;
3209 }
3210
3211 static int have_cmd(int argc, const char **argv)
3212 {
3213         char **__argv = malloc(sizeof(const char *) * argc);
3214
3215         if (!__argv) {
3216                 pr_err("malloc failed\n");
3217                 return -1;
3218         }
3219
3220         memcpy(__argv, argv, sizeof(const char *) * argc);
3221         argc = parse_options(argc, (const char **)__argv, record_options,
3222                              NULL, PARSE_OPT_STOP_AT_NON_OPTION);
3223         free(__argv);
3224
3225         system_wide = (argc == 0);
3226
3227         return 0;
3228 }
3229
3230 static void script__setup_sample_type(struct perf_script *script)
3231 {
3232         struct perf_session *session = script->session;
3233         u64 sample_type = perf_evlist__combined_sample_type(session->evlist);
3234
3235         if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
3236                 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
3237                     (sample_type & PERF_SAMPLE_STACK_USER)) {
3238                         callchain_param.record_mode = CALLCHAIN_DWARF;
3239                         dwarf_callchain_users = true;
3240                 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
3241                         callchain_param.record_mode = CALLCHAIN_LBR;
3242                 else
3243                         callchain_param.record_mode = CALLCHAIN_FP;
3244         }
3245 }
3246
3247 static int process_stat_round_event(struct perf_session *session,
3248                                     union perf_event *event)
3249 {
3250         struct perf_record_stat_round *round = &event->stat_round;
3251         struct evsel *counter;
3252
3253         evlist__for_each_entry(session->evlist, counter) {
3254                 perf_stat_process_counter(&stat_config, counter);
3255                 process_stat(counter, round->time);
3256         }
3257
3258         process_stat_interval(round->time);
3259         return 0;
3260 }
3261
3262 static int process_stat_config_event(struct perf_session *session __maybe_unused,
3263                                      union perf_event *event)
3264 {
3265         perf_event__read_stat_config(&stat_config, &event->stat_config);
3266         return 0;
3267 }
3268
3269 static int set_maps(struct perf_script *script)
3270 {
3271         struct evlist *evlist = script->session->evlist;
3272
3273         if (!script->cpus || !script->threads)
3274                 return 0;
3275
3276         if (WARN_ONCE(script->allocated, "stats double allocation\n"))
3277                 return -EINVAL;
3278
3279         perf_evlist__set_maps(&evlist->core, script->cpus, script->threads);
3280
3281         if (perf_evlist__alloc_stats(evlist, true))
3282                 return -ENOMEM;
3283
3284         script->allocated = true;
3285         return 0;
3286 }
3287
3288 static
3289 int process_thread_map_event(struct perf_session *session,
3290                              union perf_event *event)
3291 {
3292         struct perf_tool *tool = session->tool;
3293         struct perf_script *script = container_of(tool, struct perf_script, tool);
3294
3295         if (script->threads) {
3296                 pr_warning("Extra thread map event, ignoring.\n");
3297                 return 0;
3298         }
3299
3300         script->threads = thread_map__new_event(&event->thread_map);
3301         if (!script->threads)
3302                 return -ENOMEM;
3303
3304         return set_maps(script);
3305 }
3306
3307 static
3308 int process_cpu_map_event(struct perf_session *session,
3309                           union perf_event *event)
3310 {
3311         struct perf_tool *tool = session->tool;
3312         struct perf_script *script = container_of(tool, struct perf_script, tool);
3313
3314         if (script->cpus) {
3315                 pr_warning("Extra cpu map event, ignoring.\n");
3316                 return 0;
3317         }
3318
3319         script->cpus = cpu_map__new_data(&event->cpu_map.data);
3320         if (!script->cpus)
3321                 return -ENOMEM;
3322
3323         return set_maps(script);
3324 }
3325
3326 static int process_feature_event(struct perf_session *session,
3327                                  union perf_event *event)
3328 {
3329         if (event->feat.feat_id < HEADER_LAST_FEATURE)
3330                 return perf_event__process_feature(session, event);
3331         return 0;
3332 }
3333
3334 #ifdef HAVE_AUXTRACE_SUPPORT
3335 static int perf_script__process_auxtrace_info(struct perf_session *session,
3336                                               union perf_event *event)
3337 {
3338         struct perf_tool *tool = session->tool;
3339
3340         int ret = perf_event__process_auxtrace_info(session, event);
3341
3342         if (ret == 0) {
3343                 struct perf_script *script = container_of(tool, struct perf_script, tool);
3344
3345                 ret = perf_script__setup_per_event_dump(script);
3346         }
3347
3348         return ret;
3349 }
3350 #else
3351 #define perf_script__process_auxtrace_info 0
3352 #endif
3353
3354 static int parse_insn_trace(const struct option *opt __maybe_unused,
3355                             const char *str __maybe_unused,
3356                             int unset __maybe_unused)
3357 {
3358         parse_output_fields(NULL, "+insn,-event,-period", 0);
3359         itrace_parse_synth_opts(opt, "i0ns", 0);
3360         symbol_conf.nanosecs = true;
3361         return 0;
3362 }
3363
3364 static int parse_xed(const struct option *opt __maybe_unused,
3365                      const char *str __maybe_unused,
3366                      int unset __maybe_unused)
3367 {
3368         force_pager("xed -F insn: -A -64 | less");
3369         return 0;
3370 }
3371
3372 static int parse_call_trace(const struct option *opt __maybe_unused,
3373                             const char *str __maybe_unused,
3374                             int unset __maybe_unused)
3375 {
3376         parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
3377         itrace_parse_synth_opts(opt, "cewp", 0);
3378         symbol_conf.nanosecs = true;
3379         symbol_conf.pad_output_len_dso = 50;
3380         return 0;
3381 }
3382
3383 static int parse_callret_trace(const struct option *opt __maybe_unused,
3384                             const char *str __maybe_unused,
3385                             int unset __maybe_unused)
3386 {
3387         parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
3388         itrace_parse_synth_opts(opt, "crewp", 0);
3389         symbol_conf.nanosecs = true;
3390         return 0;
3391 }
3392
3393 int cmd_script(int argc, const char **argv)
3394 {
3395         bool show_full_info = false;
3396         bool header = false;
3397         bool header_only = false;
3398         bool script_started = false;
3399         char *rec_script_path = NULL;
3400         char *rep_script_path = NULL;
3401         struct perf_session *session;
3402         struct itrace_synth_opts itrace_synth_opts = {
3403                 .set = false,
3404                 .default_no_sample = true,
3405         };
3406         struct utsname uts;
3407         char *script_path = NULL;
3408         const char **__argv;
3409         int i, j, err = 0;
3410         struct perf_script script = {
3411                 .tool = {
3412                         .sample          = process_sample_event,
3413                         .mmap            = perf_event__process_mmap,
3414                         .mmap2           = perf_event__process_mmap2,
3415                         .comm            = perf_event__process_comm,
3416                         .namespaces      = perf_event__process_namespaces,
3417                         .exit            = perf_event__process_exit,
3418                         .fork            = perf_event__process_fork,
3419                         .attr            = process_attr,
3420                         .event_update   = perf_event__process_event_update,
3421                         .tracing_data    = perf_event__process_tracing_data,
3422                         .feature         = process_feature_event,
3423                         .build_id        = perf_event__process_build_id,
3424                         .id_index        = perf_event__process_id_index,
3425                         .auxtrace_info   = perf_script__process_auxtrace_info,
3426                         .auxtrace        = perf_event__process_auxtrace,
3427                         .auxtrace_error  = perf_event__process_auxtrace_error,
3428                         .stat            = perf_event__process_stat_event,
3429                         .stat_round      = process_stat_round_event,
3430                         .stat_config     = process_stat_config_event,
3431                         .thread_map      = process_thread_map_event,
3432                         .cpu_map         = process_cpu_map_event,
3433                         .ordered_events  = true,
3434                         .ordering_requires_timestamps = true,
3435                 },
3436         };
3437         struct perf_data data = {
3438                 .mode = PERF_DATA_MODE_READ,
3439         };
3440         const struct option options[] = {
3441         OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3442                     "dump raw trace in ASCII"),
3443         OPT_INCR('v', "verbose", &verbose,
3444                  "be more verbose (show symbol address, etc)"),
3445         OPT_BOOLEAN('L', "Latency", &latency_format,
3446                     "show latency attributes (irqs/preemption disabled, etc)"),
3447         OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3448                            list_available_scripts),
3449         OPT_CALLBACK('s', "script", NULL, "name",
3450                      "script file name (lang:script name, script name, or *)",
3451                      parse_scriptname),
3452         OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3453                    "generate perf-script.xx script in specified language"),
3454         OPT_STRING('i', "input", &input_name, "file", "input file name"),
3455         OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3456                    "do various checks like samples ordering and lost events"),
3457         OPT_BOOLEAN(0, "header", &header, "Show data header."),
3458         OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3459         OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3460                    "file", "vmlinux pathname"),
3461         OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3462                    "file", "kallsyms pathname"),
3463         OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3464                     "When printing symbols do not display call chain"),
3465         OPT_CALLBACK(0, "symfs", NULL, "directory",
3466                      "Look for files with symbols relative to this directory",
3467                      symbol__config_symfs),
3468         OPT_CALLBACK('F', "fields", NULL, "str",
3469                      "comma separated output fields prepend with 'type:'. "
3470                      "+field to add and -field to remove."
3471                      "Valid types: hw,sw,trace,raw,synth. "
3472                      "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
3473                      "addr,symoff,srcline,period,iregs,uregs,brstack,"
3474                      "brstacksym,flags,bpf-output,brstackinsn,brstackoff,"
3475                      "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc",
3476                      parse_output_fields),
3477         OPT_BOOLEAN('a', "all-cpus", &system_wide,
3478                     "system-wide collection from all CPUs"),
3479         OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3480                    "only consider these symbols"),
3481         OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL,
3482                         "Decode instructions from itrace", parse_insn_trace),
3483         OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
3484                         "Run xed disassembler on output", parse_xed),
3485         OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
3486                         "Decode calls from from itrace", parse_call_trace),
3487         OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
3488                         "Decode calls and returns from itrace", parse_callret_trace),
3489         OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",
3490                         "Only print symbols and callees with --call-trace/--call-ret-trace"),
3491         OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3492                    "Stop display of callgraph at these symbols"),
3493         OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3494         OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3495                    "only display events for these comms"),
3496         OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3497                    "only consider symbols in these pids"),
3498         OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3499                    "only consider symbols in these tids"),
3500         OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3501                      "Set the maximum stack depth when parsing the callchain, "
3502                      "anything beyond the specified depth will be ignored. "
3503                      "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3504         OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"),
3505         OPT_BOOLEAN('I', "show-info", &show_full_info,
3506                     "display extended information from perf.data file"),
3507         OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3508                     "Show the path of [kernel.kallsyms]"),
3509         OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3510                     "Show the fork/comm/exit events"),
3511         OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3512                     "Show the mmap events"),
3513         OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3514                     "Show context switch events (if recorded)"),
3515         OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3516                     "Show namespace events (if recorded)"),
3517         OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3518                     "Show lost events (if recorded)"),
3519         OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3520                     "Show round events (if recorded)"),
3521         OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events,
3522                     "Show bpf related events (if recorded)"),
3523         OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
3524                     "Dump trace output to files named by the monitored events"),
3525         OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3526         OPT_INTEGER(0, "max-blocks", &max_blocks,
3527                     "Maximum number of code blocks to dump with brstackinsn"),
3528         OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs,
3529                     "Use 9 decimal places when displaying time"),
3530         OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
3531                             "Instruction Tracing options\n" ITRACE_HELP,
3532                             itrace_parse_synth_opts),
3533         OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
3534                         "Show full source file name path for source lines"),
3535         OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
3536                         "Enable symbol demangling"),
3537         OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
3538                         "Enable kernel symbol demangling"),
3539         OPT_STRING(0, "time", &script.time_str, "str",
3540                    "Time span of interest (start,stop)"),
3541         OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
3542                     "Show inline function"),
3543         OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
3544                    "guest mount directory under which every guest os"
3545                    " instance has a subdir"),
3546         OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name,
3547                    "file", "file saving guest os vmlinux"),
3548         OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms,
3549                    "file", "file saving guest os /proc/kallsyms"),
3550         OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
3551                    "file", "file saving guest os /proc/modules"),
3552         OPTS_EVSWITCH(&script.evswitch),
3553         OPT_END()
3554         };
3555         const char * const script_subcommands[] = { "record", "report", NULL };
3556         const char *script_usage[] = {
3557                 "perf script [<options>]",
3558                 "perf script [<options>] record <script> [<record-options>] <command>",
3559                 "perf script [<options>] report <script> [script-args]",
3560                 "perf script [<options>] <script> [<record-options>] <command>",
3561                 "perf script [<options>] <top-script> [script-args]",
3562                 NULL
3563         };
3564
3565         perf_set_singlethreaded();
3566
3567         setup_scripting();
3568
3569         argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3570                              PARSE_OPT_STOP_AT_NON_OPTION);
3571
3572         if (symbol_conf.guestmount ||
3573             symbol_conf.default_guest_vmlinux_name ||
3574             symbol_conf.default_guest_kallsyms ||
3575             symbol_conf.default_guest_modules) {
3576                 /*
3577                  * Enable guest sample processing.
3578                  */
3579                 perf_guest = true;
3580         }
3581
3582         data.path  = input_name;
3583         data.force = symbol_conf.force;
3584
3585         if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
3586                 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
3587                 if (!rec_script_path)
3588                         return cmd_record(argc, argv);
3589         }
3590
3591         if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
3592                 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
3593                 if (!rep_script_path) {
3594                         fprintf(stderr,
3595                                 "Please specify a valid report script"
3596                                 "(see 'perf script -l' for listing)\n");
3597                         return -1;
3598                 }
3599         }
3600
3601         if (script.time_str && reltime) {
3602                 fprintf(stderr, "Don't combine --reltime with --time\n");
3603                 return -1;
3604         }
3605
3606         if (itrace_synth_opts.callchain &&
3607             itrace_synth_opts.callchain_sz > scripting_max_stack)
3608                 scripting_max_stack = itrace_synth_opts.callchain_sz;
3609
3610         /* make sure PERF_EXEC_PATH is set for scripts */
3611         set_argv_exec_path(get_argv_exec_path());
3612
3613         if (argc && !script_name && !rec_script_path && !rep_script_path) {
3614                 int live_pipe[2];
3615                 int rep_args;
3616                 pid_t pid;
3617
3618                 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
3619                 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
3620
3621                 if (!rec_script_path && !rep_script_path) {
3622                         usage_with_options_msg(script_usage, options,
3623                                 "Couldn't find script `%s'\n\n See perf"
3624                                 " script -l for available scripts.\n", argv[0]);
3625                 }
3626
3627                 if (is_top_script(argv[0])) {
3628                         rep_args = argc - 1;
3629                 } else {
3630                         int rec_args;
3631
3632                         rep_args = has_required_arg(rep_script_path);
3633                         rec_args = (argc - 1) - rep_args;
3634                         if (rec_args < 0) {
3635                                 usage_with_options_msg(script_usage, options,
3636                                         "`%s' script requires options."
3637                                         "\n\n See perf script -l for available "
3638                                         "scripts and options.\n", argv[0]);
3639                         }
3640                 }
3641
3642                 if (pipe(live_pipe) < 0) {
3643                         perror("failed to create pipe");
3644                         return -1;
3645                 }
3646
3647                 pid = fork();
3648                 if (pid < 0) {
3649                         perror("failed to fork");
3650                         return -1;
3651                 }
3652
3653                 if (!pid) {
3654                         j = 0;
3655
3656                         dup2(live_pipe[1], 1);
3657                         close(live_pipe[0]);
3658
3659                         if (is_top_script(argv[0])) {
3660                                 system_wide = true;
3661                         } else if (!system_wide) {
3662                                 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
3663                                         err = -1;
3664                                         goto out;
3665                                 }
3666                         }
3667
3668                         __argv = malloc((argc + 6) * sizeof(const char *));
3669                         if (!__argv) {
3670                                 pr_err("malloc failed\n");
3671                                 err = -ENOMEM;
3672                                 goto out;
3673                         }
3674
3675                         __argv[j++] = "/bin/sh";
3676                         __argv[j++] = rec_script_path;
3677                         if (system_wide)
3678                                 __argv[j++] = "-a";
3679                         __argv[j++] = "-q";
3680                         __argv[j++] = "-o";
3681                         __argv[j++] = "-";
3682                         for (i = rep_args + 1; i < argc; i++)
3683                                 __argv[j++] = argv[i];
3684                         __argv[j++] = NULL;
3685
3686                         execvp("/bin/sh", (char **)__argv);
3687                         free(__argv);
3688                         exit(-1);
3689                 }
3690
3691                 dup2(live_pipe[0], 0);
3692                 close(live_pipe[1]);
3693
3694                 __argv = malloc((argc + 4) * sizeof(const char *));
3695                 if (!__argv) {
3696                         pr_err("malloc failed\n");
3697                         err = -ENOMEM;
3698                         goto out;
3699                 }
3700
3701                 j = 0;
3702                 __argv[j++] = "/bin/sh";
3703                 __argv[j++] = rep_script_path;
3704                 for (i = 1; i < rep_args + 1; i++)
3705                         __argv[j++] = argv[i];
3706                 __argv[j++] = "-i";
3707                 __argv[j++] = "-";
3708                 __argv[j++] = NULL;
3709
3710                 execvp("/bin/sh", (char **)__argv);
3711                 free(__argv);
3712                 exit(-1);
3713         }
3714
3715         if (rec_script_path)
3716                 script_path = rec_script_path;
3717         if (rep_script_path)
3718                 script_path = rep_script_path;
3719
3720         if (script_path) {
3721                 j = 0;
3722
3723                 if (!rec_script_path)
3724                         system_wide = false;
3725                 else if (!system_wide) {
3726                         if (have_cmd(argc - 1, &argv[1]) != 0) {
3727                                 err = -1;
3728                                 goto out;
3729                         }
3730                 }
3731
3732                 __argv = malloc((argc + 2) * sizeof(const char *));
3733                 if (!__argv) {
3734                         pr_err("malloc failed\n");
3735                         err = -ENOMEM;
3736                         goto out;
3737                 }
3738
3739                 __argv[j++] = "/bin/sh";
3740                 __argv[j++] = script_path;
3741                 if (system_wide)
3742                         __argv[j++] = "-a";
3743                 for (i = 2; i < argc; i++)
3744                         __argv[j++] = argv[i];
3745                 __argv[j++] = NULL;
3746
3747                 execvp("/bin/sh", (char **)__argv);
3748                 free(__argv);
3749                 exit(-1);
3750         }
3751
3752         if (!script_name) {
3753                 setup_pager();
3754                 use_browser = 0;
3755         }
3756
3757         session = perf_session__new(&data, false, &script.tool);
3758         if (IS_ERR(session))
3759                 return PTR_ERR(session);
3760
3761         if (header || header_only) {
3762                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
3763                 perf_session__fprintf_info(session, stdout, show_full_info);
3764                 if (header_only)
3765                         goto out_delete;
3766         }
3767         if (show_full_info)
3768                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
3769
3770         if (symbol__init(&session->header.env) < 0)
3771                 goto out_delete;
3772
3773         uname(&uts);
3774         if (data.is_pipe ||  /* assume pipe_mode indicates native_arch */
3775             !strcmp(uts.machine, session->header.env.arch) ||
3776             (!strcmp(uts.machine, "x86_64") &&
3777              !strcmp(session->header.env.arch, "i386")))
3778                 native_arch = true;
3779
3780         script.session = session;
3781         script__setup_sample_type(&script);
3782
3783         if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) ||
3784             symbol_conf.graph_function)
3785                 itrace_synth_opts.thread_stack = true;
3786
3787         session->itrace_synth_opts = &itrace_synth_opts;
3788
3789         if (cpu_list) {
3790                 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
3791                 if (err < 0)
3792                         goto out_delete;
3793                 itrace_synth_opts.cpu_bitmap = cpu_bitmap;
3794         }
3795
3796         if (!no_callchain)
3797                 symbol_conf.use_callchain = true;
3798         else
3799                 symbol_conf.use_callchain = false;
3800
3801         if (session->tevent.pevent &&
3802             tep_set_function_resolver(session->tevent.pevent,
3803                                       machine__resolve_kernel_addr,
3804                                       &session->machines.host) < 0) {
3805                 pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
3806                 err = -1;
3807                 goto out_delete;
3808         }
3809
3810         if (generate_script_lang) {
3811                 struct stat perf_stat;
3812                 int input;
3813
3814                 if (output_set_by_user()) {
3815                         fprintf(stderr,
3816                                 "custom fields not supported for generated scripts");
3817                         err = -EINVAL;
3818                         goto out_delete;
3819                 }
3820
3821                 input = open(data.path, O_RDONLY);      /* input_name */
3822                 if (input < 0) {
3823                         err = -errno;
3824                         perror("failed to open file");
3825                         goto out_delete;
3826                 }
3827
3828                 err = fstat(input, &perf_stat);
3829                 if (err < 0) {
3830                         perror("failed to stat file");
3831                         goto out_delete;
3832                 }
3833
3834                 if (!perf_stat.st_size) {
3835                         fprintf(stderr, "zero-sized file, nothing to do!\n");
3836                         goto out_delete;
3837                 }
3838
3839                 scripting_ops = script_spec__lookup(generate_script_lang);
3840                 if (!scripting_ops) {
3841                         fprintf(stderr, "invalid language specifier");
3842                         err = -ENOENT;
3843                         goto out_delete;
3844                 }
3845
3846                 err = scripting_ops->generate_script(session->tevent.pevent,
3847                                                      "perf-script");
3848                 goto out_delete;
3849         }
3850
3851         if (script_name) {
3852                 err = scripting_ops->start_script(script_name, argc, argv);
3853                 if (err)
3854                         goto out_delete;
3855                 pr_debug("perf script started with script %s\n\n", script_name);
3856                 script_started = true;
3857         }
3858
3859
3860         err = perf_session__check_output_opt(session);
3861         if (err < 0)
3862                 goto out_delete;
3863
3864         if (script.time_str) {
3865                 err = perf_time__parse_for_ranges(script.time_str, session,
3866                                                   &script.ptime_range,
3867                                                   &script.range_size,
3868                                                   &script.range_num);
3869                 if (err < 0)
3870                         goto out_delete;
3871
3872                 itrace_synth_opts__set_time_range(&itrace_synth_opts,
3873                                                   script.ptime_range,
3874                                                   script.range_num);
3875         }
3876
3877         err = evswitch__init(&script.evswitch, session->evlist, stderr);
3878         if (err)
3879                 goto out_delete;
3880
3881         err = __cmd_script(&script);
3882
3883         flush_scripting();
3884
3885 out_delete:
3886         if (script.ptime_range) {
3887                 itrace_synth_opts__clear_time_range(&itrace_synth_opts);
3888                 zfree(&script.ptime_range);
3889         }
3890
3891         perf_evlist__free_stats(session->evlist);
3892         perf_session__delete(session);
3893
3894         if (script_started)
3895                 cleanup_scripting();
3896 out:
3897         return err;
3898 }