tools/perf/builtin-script.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include "builtin.h"
   3
   4 #include "util/counts.h"
   5 #include "util/debug.h"
   6 #include "util/dso.h"
   7 #include <subcmd/exec-cmd.h>
   8 #include "util/header.h"
   9 #include <subcmd/parse-options.h>
  10 #include "util/perf_regs.h"
  11 #include "util/session.h"
  12 #include "util/tool.h"
  13 #include "util/map.h"
  14 #include "util/srcline.h"
  15 #include "util/symbol.h"
  16 #include "util/thread.h"
  17 #include "util/trace-event.h"
  18 #include "util/evlist.h"
  19 #include "util/evsel.h"
  20 #include "util/evsel_fprintf.h"
  21 #include "util/evswitch.h"
  22 #include "util/sort.h"
  23 #include "util/data.h"
  24 #include "util/auxtrace.h"
  25 #include "util/cpumap.h"
  26 #include "util/thread_map.h"
  27 #include "util/stat.h"
  28 #include "util/color.h"
  29 #include "util/string2.h"
  30 #include "util/thread-stack.h"
  31 #include "util/time-utils.h"
  32 #include "util/path.h"
  33 #include "ui/ui.h"
  34 #include "print_binary.h"
  35 #include "archinsn.h"
  36 #include <linux/bitmap.h>
  37 #include <linux/kernel.h>
  38 #include <linux/stringify.h>
  39 #include <linux/time64.h>
  40 #include <linux/zalloc.h>
  41 #include <sys/utsname.h>
  42 #include "asm/bug.h"
  43 #include "util/mem-events.h"
  44 #include "util/dump-insn.h"
  45 #include <dirent.h>
  46 #include <errno.h>
  47 #include <inttypes.h>
  48 #include <signal.h>
  49 #include <sys/param.h>
  50 #include <sys/types.h>
  51 #include <sys/stat.h>
  52 #include <fcntl.h>
  53 #include <unistd.h>
  54 #include <subcmd/pager.h>
  55 #include <perf/evlist.h>
  56 #include <linux/err.h>
  57 #include "util/record.h"
  58 #include "util/util.h"
  59 #include "perf.h"
  60
  61 #include <linux/ctype.h>
  62
  63 static char const               *script_name;
  64 static char const               *generate_script_lang;
  65 static bool                     reltime;
  66 static u64                      initial_time;
  67 static bool                     debug_mode;
  68 static u64                      last_timestamp;
  69 static u64                      nr_unordered;
  70 static bool                     no_callchain;
  71 static bool                     latency_format;
  72 static bool                     system_wide;
  73 static bool                     print_flags;
  74 static const char               *cpu_list;
  75 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
  76 static struct perf_stat_config  stat_config;
  77 static int                      max_blocks;
  78 static bool                     native_arch;
  79
  80 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
  81
  82 enum perf_output_field {
  83         PERF_OUTPUT_COMM            = 1U << 0,
  84         PERF_OUTPUT_TID             = 1U << 1,
  85         PERF_OUTPUT_PID             = 1U << 2,
  86         PERF_OUTPUT_TIME            = 1U << 3,
  87         PERF_OUTPUT_CPU             = 1U << 4,
  88         PERF_OUTPUT_EVNAME          = 1U << 5,
  89         PERF_OUTPUT_TRACE           = 1U << 6,
  90         PERF_OUTPUT_IP              = 1U << 7,
  91         PERF_OUTPUT_SYM             = 1U << 8,
  92         PERF_OUTPUT_DSO             = 1U << 9,
  93         PERF_OUTPUT_ADDR            = 1U << 10,
  94         PERF_OUTPUT_SYMOFFSET       = 1U << 11,
  95         PERF_OUTPUT_SRCLINE         = 1U << 12,
  96         PERF_OUTPUT_PERIOD          = 1U << 13,
  97         PERF_OUTPUT_IREGS           = 1U << 14,
  98         PERF_OUTPUT_BRSTACK         = 1U << 15,
  99         PERF_OUTPUT_BRSTACKSYM      = 1U << 16,
 100         PERF_OUTPUT_DATA_SRC        = 1U << 17,
 101         PERF_OUTPUT_WEIGHT          = 1U << 18,
 102         PERF_OUTPUT_BPF_OUTPUT      = 1U << 19,
 103         PERF_OUTPUT_CALLINDENT      = 1U << 20,
 104         PERF_OUTPUT_INSN            = 1U << 21,
 105         PERF_OUTPUT_INSNLEN         = 1U << 22,
 106         PERF_OUTPUT_BRSTACKINSN     = 1U << 23,
 107         PERF_OUTPUT_BRSTACKOFF      = 1U << 24,
 108         PERF_OUTPUT_SYNTH           = 1U << 25,
 109         PERF_OUTPUT_PHYS_ADDR       = 1U << 26,
 110         PERF_OUTPUT_UREGS           = 1U << 27,
 111         PERF_OUTPUT_METRIC          = 1U << 28,
 112         PERF_OUTPUT_MISC            = 1U << 29,
 113         PERF_OUTPUT_SRCCODE         = 1U << 30,
 114         PERF_OUTPUT_IPC             = 1U << 31,
 115 };
 116
 117 struct output_option {
 118         const char *str;
 119         enum perf_output_field field;
 120 } all_output_options[] = {
 121         {.str = "comm",  .field = PERF_OUTPUT_COMM},
 122         {.str = "tid",   .field = PERF_OUTPUT_TID},
 123         {.str = "pid",   .field = PERF_OUTPUT_PID},
 124         {.str = "time",  .field = PERF_OUTPUT_TIME},
 125         {.str = "cpu",   .field = PERF_OUTPUT_CPU},
 126         {.str = "event", .field = PERF_OUTPUT_EVNAME},
 127         {.str = "trace", .field = PERF_OUTPUT_TRACE},
 128         {.str = "ip",    .field = PERF_OUTPUT_IP},
 129         {.str = "sym",   .field = PERF_OUTPUT_SYM},
 130         {.str = "dso",   .field = PERF_OUTPUT_DSO},
 131         {.str = "addr",  .field = PERF_OUTPUT_ADDR},
 132         {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
 133         {.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
 134         {.str = "period", .field = PERF_OUTPUT_PERIOD},
 135         {.str = "iregs", .field = PERF_OUTPUT_IREGS},
 136         {.str = "uregs", .field = PERF_OUTPUT_UREGS},
 137         {.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
 138         {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
 139         {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
 140         {.str = "weight",   .field = PERF_OUTPUT_WEIGHT},
 141         {.str = "bpf-output",   .field = PERF_OUTPUT_BPF_OUTPUT},
 142         {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
 143         {.str = "insn", .field = PERF_OUTPUT_INSN},
 144         {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
 145         {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
 146         {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
 147         {.str = "synth", .field = PERF_OUTPUT_SYNTH},
 148         {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
 149         {.str = "metric", .field = PERF_OUTPUT_METRIC},
 150         {.str = "misc", .field = PERF_OUTPUT_MISC},
 151         {.str = "srccode", .field = PERF_OUTPUT_SRCCODE},
 152         {.str = "ipc", .field = PERF_OUTPUT_IPC},
 153 };
 154
 155 enum {
 156         OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
 157         OUTPUT_TYPE_MAX
 158 };
 159
 160 /* default set to maintain compatibility with current format */
 161 static struct {
 162         bool user_set;
 163         bool wildcard_set;
 164         unsigned int print_ip_opts;
 165         u64 fields;
 166         u64 invalid_fields;
 167         u64 user_set_fields;
 168 } output[OUTPUT_TYPE_MAX] = {
 169
 170         [PERF_TYPE_HARDWARE] = {
 171                 .user_set = false,
 172
 173                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 174                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 175                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 176                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 177                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 178
 179                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 180         },
 181
 182         [PERF_TYPE_SOFTWARE] = {
 183                 .user_set = false,
 184
 185                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 186                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 187                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 188                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 189                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
 190                               PERF_OUTPUT_BPF_OUTPUT,
 191
 192                 .invalid_fields = PERF_OUTPUT_TRACE,
 193         },
 194
 195         [PERF_TYPE_TRACEPOINT] = {
 196                 .user_set = false,
 197
 198                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 199                                   PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 200                                   PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
 201         },
 202
 203         [PERF_TYPE_HW_CACHE] = {
 204                 .user_set = false,
 205
 206                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 207                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 208                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 209                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 210                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 211
 212                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 213         },
 214
 215         [PERF_TYPE_RAW] = {
 216                 .user_set = false,
 217
 218                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 219                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 220                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 221                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 222                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
 223                               PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
 224                               PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR,
 225
 226                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 227         },
 228
 229         [PERF_TYPE_BREAKPOINT] = {
 230                 .user_set = false,
 231
 232                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 233                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 234                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 235                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 236                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 237
 238                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 239         },
 240
 241         [OUTPUT_TYPE_SYNTH] = {
 242                 .user_set = false,
 243
 244                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 245                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 246                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 247                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 248                               PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH,
 249
 250                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 251         },
 252 };
 253
 254 struct evsel_script {
 255        char *filename;
 256        FILE *fp;
 257        u64  samples;
 258        /* For metric output */
 259        u64  val;
 260        int  gnum;
 261 };
 262
 263 static inline struct evsel_script *evsel_script(struct evsel *evsel)
 264 {
 265         return (struct evsel_script *)evsel->priv;
 266 }
 267
 268 static struct evsel_script *perf_evsel_script__new(struct evsel *evsel,
 269                                                         struct perf_data *data)
 270 {
 271         struct evsel_script *es = zalloc(sizeof(*es));
 272
 273         if (es != NULL) {
 274                 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, perf_evsel__name(evsel)) < 0)
 275                         goto out_free;
 276                 es->fp = fopen(es->filename, "w");
 277                 if (es->fp == NULL)
 278                         goto out_free_filename;
 279         }
 280
 281         return es;
 282 out_free_filename:
 283         zfree(&es->filename);
 284 out_free:
 285         free(es);
 286         return NULL;
 287 }
 288
 289 static void perf_evsel_script__delete(struct evsel_script *es)
 290 {
 291         zfree(&es->filename);
 292         fclose(es->fp);
 293         es->fp = NULL;
 294         free(es);
 295 }
 296
 297 static int perf_evsel_script__fprintf(struct evsel_script *es, FILE *fp)
 298 {
 299         struct stat st;
 300
 301         fstat(fileno(es->fp), &st);
 302         return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
 303                        st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
 304 }
 305
 306 static inline int output_type(unsigned int type)
 307 {
 308         switch (type) {
 309         case PERF_TYPE_SYNTH:
 310                 return OUTPUT_TYPE_SYNTH;
 311         default:
 312                 return type;
 313         }
 314 }
 315
 316 static inline unsigned int attr_type(unsigned int type)
 317 {
 318         switch (type) {
 319         case OUTPUT_TYPE_SYNTH:
 320                 return PERF_TYPE_SYNTH;
 321         default:
 322                 return type;
 323         }
 324 }
 325
 326 static bool output_set_by_user(void)
 327 {
 328         int j;
 329         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 330                 if (output[j].user_set)
 331                         return true;
 332         }
 333         return false;
 334 }
 335
 336 static const char *output_field2str(enum perf_output_field field)
 337 {
 338         int i, imax = ARRAY_SIZE(all_output_options);
 339         const char *str = "";
 340
 341         for (i = 0; i < imax; ++i) {
 342                 if (all_output_options[i].field == field) {
 343                         str = all_output_options[i].str;
 344                         break;
 345                 }
 346         }
 347         return str;
 348 }
 349
 350 #define PRINT_FIELD(x)  (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
 351
 352 static int perf_evsel__do_check_stype(struct evsel *evsel,
 353                                       u64 sample_type, const char *sample_msg,
 354                                       enum perf_output_field field,
 355                                       bool allow_user_set)
 356 {
 357         struct perf_event_attr *attr = &evsel->core.attr;
 358         int type = output_type(attr->type);
 359         const char *evname;
 360
 361         if (attr->sample_type & sample_type)
 362                 return 0;
 363
 364         if (output[type].user_set_fields & field) {
 365                 if (allow_user_set)
 366                         return 0;
 367                 evname = perf_evsel__name(evsel);
 368                 pr_err("Samples for '%s' event do not have %s attribute set. "
 369                        "Cannot print '%s' field.\n",
 370                        evname, sample_msg, output_field2str(field));
 371                 return -1;
 372         }
 373
 374         /* user did not ask for it explicitly so remove from the default list */
 375         output[type].fields &= ~field;
 376         evname = perf_evsel__name(evsel);
 377         pr_debug("Samples for '%s' event do not have %s attribute set. "
 378                  "Skipping '%s' field.\n",
 379                  evname, sample_msg, output_field2str(field));
 380
 381         return 0;
 382 }
 383
 384 static int perf_evsel__check_stype(struct evsel *evsel,
 385                                    u64 sample_type, const char *sample_msg,
 386                                    enum perf_output_field field)
 387 {
 388         return perf_evsel__do_check_stype(evsel, sample_type, sample_msg, field,
 389                                           false);
 390 }
 391
 392 static int perf_evsel__check_attr(struct evsel *evsel,
 393                                   struct perf_session *session)
 394 {
 395         struct perf_event_attr *attr = &evsel->core.attr;
 396         bool allow_user_set;
 397
 398         if (perf_header__has_feat(&session->header, HEADER_STAT))
 399                 return 0;
 400
 401         allow_user_set = perf_header__has_feat(&session->header,
 402                                                HEADER_AUXTRACE);
 403
 404         if (PRINT_FIELD(TRACE) &&
 405                 !perf_session__has_traces(session, "record -R"))
 406                 return -EINVAL;
 407
 408         if (PRINT_FIELD(IP)) {
 409                 if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP",
 410                                             PERF_OUTPUT_IP))
 411                         return -EINVAL;
 412         }
 413
 414         if (PRINT_FIELD(ADDR) &&
 415                 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR",
 416                                            PERF_OUTPUT_ADDR, allow_user_set))
 417                 return -EINVAL;
 418
 419         if (PRINT_FIELD(DATA_SRC) &&
 420                 perf_evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC",
 421                                         PERF_OUTPUT_DATA_SRC))
 422                 return -EINVAL;
 423
 424         if (PRINT_FIELD(WEIGHT) &&
 425                 perf_evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT",
 426                                         PERF_OUTPUT_WEIGHT))
 427                 return -EINVAL;
 428
 429         if (PRINT_FIELD(SYM) &&
 430                 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
 431                 pr_err("Display of symbols requested but neither sample IP nor "
 432                            "sample address\navailable. Hence, no addresses to convert "
 433                        "to symbols.\n");
 434                 return -EINVAL;
 435         }
 436         if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
 437                 pr_err("Display of offsets requested but symbol is not"
 438                        "selected.\n");
 439                 return -EINVAL;
 440         }
 441         if (PRINT_FIELD(DSO) &&
 442                 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
 443                 pr_err("Display of DSO requested but no address to convert.\n");
 444                 return -EINVAL;
 445         }
 446         if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) {
 447                 pr_err("Display of source line number requested but sample IP is not\n"
 448                        "selected. Hence, no address to lookup the source line number.\n");
 449                 return -EINVAL;
 450         }
 451         if (PRINT_FIELD(BRSTACKINSN) && !allow_user_set &&
 452             !(perf_evlist__combined_branch_type(session->evlist) &
 453               PERF_SAMPLE_BRANCH_ANY)) {
 454                 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
 455                        "Hint: run 'perf record -b ...'\n");
 456                 return -EINVAL;
 457         }
 458         if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
 459                 perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID",
 460                                         PERF_OUTPUT_TID|PERF_OUTPUT_PID))
 461                 return -EINVAL;
 462
 463         if (PRINT_FIELD(TIME) &&
 464                 perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME",
 465                                         PERF_OUTPUT_TIME))
 466                 return -EINVAL;
 467
 468         if (PRINT_FIELD(CPU) &&
 469                 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU",
 470                                            PERF_OUTPUT_CPU, allow_user_set))
 471                 return -EINVAL;
 472
 473         if (PRINT_FIELD(IREGS) &&
 474                 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS",
 475                                         PERF_OUTPUT_IREGS))
 476                 return -EINVAL;
 477
 478         if (PRINT_FIELD(UREGS) &&
 479                 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS",
 480                                         PERF_OUTPUT_UREGS))
 481                 return -EINVAL;
 482
 483         if (PRINT_FIELD(PHYS_ADDR) &&
 484                 perf_evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR",
 485                                         PERF_OUTPUT_PHYS_ADDR))
 486                 return -EINVAL;
 487
 488         return 0;
 489 }
 490
 491 static void set_print_ip_opts(struct perf_event_attr *attr)
 492 {
 493         unsigned int type = output_type(attr->type);
 494
 495         output[type].print_ip_opts = 0;
 496         if (PRINT_FIELD(IP))
 497                 output[type].print_ip_opts |= EVSEL__PRINT_IP;
 498
 499         if (PRINT_FIELD(SYM))
 500                 output[type].print_ip_opts |= EVSEL__PRINT_SYM;
 501
 502         if (PRINT_FIELD(DSO))
 503                 output[type].print_ip_opts |= EVSEL__PRINT_DSO;
 504
 505         if (PRINT_FIELD(SYMOFFSET))
 506                 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
 507
 508         if (PRINT_FIELD(SRCLINE))
 509                 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
 510 }
 511
 512 /*
 513  * verify all user requested events exist and the samples
 514  * have the expected data
 515  */
 516 static int perf_session__check_output_opt(struct perf_session *session)
 517 {
 518         unsigned int j;
 519         struct evsel *evsel;
 520
 521         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 522                 evsel = perf_session__find_first_evtype(session, attr_type(j));
 523
 524                 /*
 525                  * even if fields is set to 0 (ie., show nothing) event must
 526                  * exist if user explicitly includes it on the command line
 527                  */
 528                 if (!evsel && output[j].user_set && !output[j].wildcard_set &&
 529                     j != OUTPUT_TYPE_SYNTH) {
 530                         pr_err("%s events do not exist. "
 531                                "Remove corresponding -F option to proceed.\n",
 532                                event_type(j));
 533                         return -1;
 534                 }
 535
 536                 if (evsel && output[j].fields &&
 537                         perf_evsel__check_attr(evsel, session))
 538                         return -1;
 539
 540                 if (evsel == NULL)
 541                         continue;
 542
 543                 set_print_ip_opts(&evsel->core.attr);
 544         }
 545
 546         if (!no_callchain) {
 547                 bool use_callchain = false;
 548                 bool not_pipe = false;
 549
 550                 evlist__for_each_entry(session->evlist, evsel) {
 551                         not_pipe = true;
 552                         if (evsel__has_callchain(evsel)) {
 553                                 use_callchain = true;
 554                                 break;
 555                         }
 556                 }
 557                 if (not_pipe && !use_callchain)
 558                         symbol_conf.use_callchain = false;
 559         }
 560
 561         /*
 562          * set default for tracepoints to print symbols only
 563          * if callchains are present
 564          */
 565         if (symbol_conf.use_callchain &&
 566             !output[PERF_TYPE_TRACEPOINT].user_set) {
 567                 j = PERF_TYPE_TRACEPOINT;
 568
 569                 evlist__for_each_entry(session->evlist, evsel) {
 570                         if (evsel->core.attr.type != j)
 571                                 continue;
 572
 573                         if (evsel__has_callchain(evsel)) {
 574                                 output[j].fields |= PERF_OUTPUT_IP;
 575                                 output[j].fields |= PERF_OUTPUT_SYM;
 576                                 output[j].fields |= PERF_OUTPUT_SYMOFFSET;
 577                                 output[j].fields |= PERF_OUTPUT_DSO;
 578                                 set_print_ip_opts(&evsel->core.attr);
 579                                 goto out;
 580                         }
 581                 }
 582         }
 583
 584 out:
 585         return 0;
 586 }
 587
 588 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask,
 589                                      FILE *fp
 590 )
 591 {
 592         unsigned i = 0, r;
 593         int printed = 0;
 594
 595         if (!regs || !regs->regs)
 596                 return 0;
 597
 598         printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
 599
 600         for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
 601                 u64 val = regs->regs[i++];
 602                 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
 603         }
 604
 605         fprintf(fp, "\n");
 606
 607         return printed;
 608 }
 609
 610 static int perf_sample__fprintf_iregs(struct perf_sample *sample,
 611                                       struct perf_event_attr *attr, FILE *fp)
 612 {
 613         return perf_sample__fprintf_regs(&sample->intr_regs,
 614                                          attr->sample_regs_intr, fp);
 615 }
 616
 617 static int perf_sample__fprintf_uregs(struct perf_sample *sample,
 618                                       struct perf_event_attr *attr, FILE *fp)
 619 {
 620         return perf_sample__fprintf_regs(&sample->user_regs,
 621                                          attr->sample_regs_user, fp);
 622 }
 623
 624 static int perf_sample__fprintf_start(struct perf_sample *sample,
 625                                       struct thread *thread,
 626                                       struct evsel *evsel,
 627                                       u32 type, FILE *fp)
 628 {
 629         struct perf_event_attr *attr = &evsel->core.attr;
 630         unsigned long secs;
 631         unsigned long long nsecs;
 632         int printed = 0;
 633
 634         if (PRINT_FIELD(COMM)) {
 635                 if (latency_format)
 636                         printed += fprintf(fp, "%8.8s ", thread__comm_str(thread));
 637                 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
 638                         printed += fprintf(fp, "%s ", thread__comm_str(thread));
 639                 else
 640                         printed += fprintf(fp, "%16s ", thread__comm_str(thread));
 641         }
 642
 643         if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
 644                 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid);
 645         else if (PRINT_FIELD(PID))
 646                 printed += fprintf(fp, "%5d ", sample->pid);
 647         else if (PRINT_FIELD(TID))
 648                 printed += fprintf(fp, "%5d ", sample->tid);
 649
 650         if (PRINT_FIELD(CPU)) {
 651                 if (latency_format)
 652                         printed += fprintf(fp, "%3d ", sample->cpu);
 653                 else
 654                         printed += fprintf(fp, "[%03d] ", sample->cpu);
 655         }
 656
 657         if (PRINT_FIELD(MISC)) {
 658                 int ret = 0;
 659
 660                 #define has(m) \
 661                         (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
 662
 663                 if (has(KERNEL))
 664                         ret += fprintf(fp, "K");
 665                 if (has(USER))
 666                         ret += fprintf(fp, "U");
 667                 if (has(HYPERVISOR))
 668                         ret += fprintf(fp, "H");
 669                 if (has(GUEST_KERNEL))
 670                         ret += fprintf(fp, "G");
 671                 if (has(GUEST_USER))
 672                         ret += fprintf(fp, "g");
 673
 674                 switch (type) {
 675                 case PERF_RECORD_MMAP:
 676                 case PERF_RECORD_MMAP2:
 677                         if (has(MMAP_DATA))
 678                                 ret += fprintf(fp, "M");
 679                         break;
 680                 case PERF_RECORD_COMM:
 681                         if (has(COMM_EXEC))
 682                                 ret += fprintf(fp, "E");
 683                         break;
 684                 case PERF_RECORD_SWITCH:
 685                 case PERF_RECORD_SWITCH_CPU_WIDE:
 686                         if (has(SWITCH_OUT)) {
 687                                 ret += fprintf(fp, "S");
 688                                 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
 689                                         ret += fprintf(fp, "p");
 690                         }
 691                 default:
 692                         break;
 693                 }
 694
 695                 #undef has
 696
 697                 ret += fprintf(fp, "%*s", 6 - ret, " ");
 698                 printed += ret;
 699         }
 700
 701         if (PRINT_FIELD(TIME)) {
 702                 u64 t = sample->time;
 703                 if (reltime) {
 704                         if (!initial_time)
 705                                 initial_time = sample->time;
 706                         t = sample->time - initial_time;
 707                 }
 708                 nsecs = t;
 709                 secs = nsecs / NSEC_PER_SEC;
 710                 nsecs -= secs * NSEC_PER_SEC;
 711
 712                 if (symbol_conf.nanosecs)
 713                         printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
 714                 else {
 715                         char sample_time[32];
 716                         timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time));
 717                         printed += fprintf(fp, "%12s: ", sample_time);
 718                 }
 719         }
 720
 721         return printed;
 722 }
 723
 724 static inline char
 725 mispred_str(struct branch_entry *br)
 726 {
 727         if (!(br->flags.mispred  || br->flags.predicted))
 728                 return '-';
 729
 730         return br->flags.predicted ? 'P' : 'M';
 731 }
 732
 733 static int perf_sample__fprintf_brstack(struct perf_sample *sample,
 734                                         struct thread *thread,
 735                                         struct perf_event_attr *attr, FILE *fp)
 736 {
 737         struct branch_stack *br = sample->branch_stack;
 738         struct branch_entry *entries = perf_sample__branch_entries(sample);
 739         struct addr_location alf, alt;
 740         u64 i, from, to;
 741         int printed = 0;
 742
 743         if (!(br && br->nr))
 744                 return 0;
 745
 746         for (i = 0; i < br->nr; i++) {
 747                 from = entries[i].from;
 748                 to   = entries[i].to;
 749
 750                 if (PRINT_FIELD(DSO)) {
 751                         memset(&alf, 0, sizeof(alf));
 752                         memset(&alt, 0, sizeof(alt));
 753                         thread__find_map_fb(thread, sample->cpumode, from, &alf);
 754                         thread__find_map_fb(thread, sample->cpumode, to, &alt);
 755                 }
 756
 757                 printed += fprintf(fp, " 0x%"PRIx64, from);
 758                 if (PRINT_FIELD(DSO)) {
 759                         printed += fprintf(fp, "(");
 760                         printed += map__fprintf_dsoname(alf.map, fp);
 761                         printed += fprintf(fp, ")");
 762                 }
 763
 764                 printed += fprintf(fp, "/0x%"PRIx64, to);
 765                 if (PRINT_FIELD(DSO)) {
 766                         printed += fprintf(fp, "(");
 767                         printed += map__fprintf_dsoname(alt.map, fp);
 768                         printed += fprintf(fp, ")");
 769                 }
 770
 771                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 772                         mispred_str(entries + i),
 773                         entries[i].flags.in_tx ? 'X' : '-',
 774                         entries[i].flags.abort ? 'A' : '-',
 775                         entries[i].flags.cycles);
 776         }
 777
 778         return printed;
 779 }
 780
 781 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
 782                                            struct thread *thread,
 783                                            struct perf_event_attr *attr, FILE *fp)
 784 {
 785         struct branch_stack *br = sample->branch_stack;
 786         struct branch_entry *entries = perf_sample__branch_entries(sample);
 787         struct addr_location alf, alt;
 788         u64 i, from, to;
 789         int printed = 0;
 790
 791         if (!(br && br->nr))
 792                 return 0;
 793
 794         for (i = 0; i < br->nr; i++) {
 795
 796                 memset(&alf, 0, sizeof(alf));
 797                 memset(&alt, 0, sizeof(alt));
 798                 from = entries[i].from;
 799                 to   = entries[i].to;
 800
 801                 thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
 802                 thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
 803
 804                 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
 805                 if (PRINT_FIELD(DSO)) {
 806                         printed += fprintf(fp, "(");
 807                         printed += map__fprintf_dsoname(alf.map, fp);
 808                         printed += fprintf(fp, ")");
 809                 }
 810                 printed += fprintf(fp, "%c", '/');
 811                 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
 812                 if (PRINT_FIELD(DSO)) {
 813                         printed += fprintf(fp, "(");
 814                         printed += map__fprintf_dsoname(alt.map, fp);
 815                         printed += fprintf(fp, ")");
 816                 }
 817                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 818                         mispred_str(entries + i),
 819                         entries[i].flags.in_tx ? 'X' : '-',
 820                         entries[i].flags.abort ? 'A' : '-',
 821                         entries[i].flags.cycles);
 822         }
 823
 824         return printed;
 825 }
 826
 827 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
 828                                            struct thread *thread,
 829                                            struct perf_event_attr *attr, FILE *fp)
 830 {
 831         struct branch_stack *br = sample->branch_stack;
 832         struct branch_entry *entries = perf_sample__branch_entries(sample);
 833         struct addr_location alf, alt;
 834         u64 i, from, to;
 835         int printed = 0;
 836
 837         if (!(br && br->nr))
 838                 return 0;
 839
 840         for (i = 0; i < br->nr; i++) {
 841
 842                 memset(&alf, 0, sizeof(alf));
 843                 memset(&alt, 0, sizeof(alt));
 844                 from = entries[i].from;
 845                 to   = entries[i].to;
 846
 847                 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
 848                     !alf.map->dso->adjust_symbols)
 849                         from = map__map_ip(alf.map, from);
 850
 851                 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
 852                     !alt.map->dso->adjust_symbols)
 853                         to = map__map_ip(alt.map, to);
 854
 855                 printed += fprintf(fp, " 0x%"PRIx64, from);
 856                 if (PRINT_FIELD(DSO)) {
 857                         printed += fprintf(fp, "(");
 858                         printed += map__fprintf_dsoname(alf.map, fp);
 859                         printed += fprintf(fp, ")");
 860                 }
 861                 printed += fprintf(fp, "/0x%"PRIx64, to);
 862                 if (PRINT_FIELD(DSO)) {
 863                         printed += fprintf(fp, "(");
 864                         printed += map__fprintf_dsoname(alt.map, fp);
 865                         printed += fprintf(fp, ")");
 866                 }
 867                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 868                         mispred_str(entries + i),
 869                         entries[i].flags.in_tx ? 'X' : '-',
 870                         entries[i].flags.abort ? 'A' : '-',
 871                         entries[i].flags.cycles);
 872         }
 873
 874         return printed;
 875 }
 876 #define MAXBB 16384UL
 877
 878 static int grab_bb(u8 *buffer, u64 start, u64 end,
 879                     struct machine *machine, struct thread *thread,
 880                     bool *is64bit, u8 *cpumode, bool last)
 881 {
 882         long offset, len;
 883         struct addr_location al;
 884         bool kernel;
 885
 886         if (!start || !end)
 887                 return 0;
 888
 889         kernel = machine__kernel_ip(machine, start);
 890         if (kernel)
 891                 *cpumode = PERF_RECORD_MISC_KERNEL;
 892         else
 893                 *cpumode = PERF_RECORD_MISC_USER;
 894
 895         /*
 896          * Block overlaps between kernel and user.
 897          * This can happen due to ring filtering
 898          * On Intel CPUs the entry into the kernel is filtered,
 899          * but the exit is not. Let the caller patch it up.
 900          */
 901         if (kernel != machine__kernel_ip(machine, end)) {
 902                 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
 903                 return -ENXIO;
 904         }
 905
 906         memset(&al, 0, sizeof(al));
 907         if (end - start > MAXBB - MAXINSN) {
 908                 if (last)
 909                         pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
 910                 else
 911                         pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
 912                 return 0;
 913         }
 914
 915         if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) {
 916                 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
 917                 return 0;
 918         }
 919         if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
 920                 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
 921                 return 0;
 922         }
 923
 924         /* Load maps to ensure dso->is_64_bit has been updated */
 925         map__load(al.map);
 926
 927         offset = al.map->map_ip(al.map, start);
 928         len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer,
 929                                     end - start + MAXINSN);
 930
 931         *is64bit = al.map->dso->is_64_bit;
 932         if (len <= 0)
 933                 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
 934                         start, end);
 935         return len;
 936 }
 937
 938 static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state)
 939 {
 940         char *srcfile;
 941         int ret = 0;
 942         unsigned line;
 943         int len;
 944         char *srccode;
 945
 946         if (!map || !map->dso)
 947                 return 0;
 948         srcfile = get_srcline_split(map->dso,
 949                                     map__rip_2objdump(map, addr),
 950                                     &line);
 951         if (!srcfile)
 952                 return 0;
 953
 954         /* Avoid redundant printing */
 955         if (state &&
 956             state->srcfile &&
 957             !strcmp(state->srcfile, srcfile) &&
 958             state->line == line) {
 959                 free(srcfile);
 960                 return 0;
 961         }
 962
 963         srccode = find_sourceline(srcfile, line, &len);
 964         if (!srccode)
 965                 goto out_free_line;
 966
 967         ret = fprintf(fp, "|%-8d %.*s", line, len, srccode);
 968
 969         if (state) {
 970                 state->srcfile = srcfile;
 971                 state->line = line;
 972         }
 973         return ret;
 974
 975 out_free_line:
 976         free(srcfile);
 977         return ret;
 978 }
 979
 980 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr)
 981 {
 982         struct addr_location al;
 983         int ret = 0;
 984
 985         memset(&al, 0, sizeof(al));
 986         thread__find_map(thread, cpumode, addr, &al);
 987         if (!al.map)
 988                 return 0;
 989         ret = map__fprintf_srccode(al.map, al.addr, stdout,
 990                     &thread->srccode_state);
 991         if (ret)
 992                 ret += printf("\n");
 993         return ret;
 994 }
 995
 996 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
 997                             struct perf_insn *x, u8 *inbuf, int len,
 998                             int insn, FILE *fp, int *total_cycles)
 999 {
1000         int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip,
1001                               dump_insn(x, ip, inbuf, len, NULL),
1002                               en->flags.predicted ? " PRED" : "",
1003                               en->flags.mispred ? " MISPRED" : "",
1004                               en->flags.in_tx ? " INTX" : "",
1005                               en->flags.abort ? " ABORT" : "");
1006         if (en->flags.cycles) {
1007                 *total_cycles += en->flags.cycles;
1008                 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles);
1009                 if (insn)
1010                         printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
1011         }
1012         return printed + fprintf(fp, "\n");
1013 }
1014
1015 static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
1016                            u8 cpumode, int cpu, struct symbol **lastsym,
1017                            struct perf_event_attr *attr, FILE *fp)
1018 {
1019         struct addr_location al;
1020         int off, printed = 0;
1021
1022         memset(&al, 0, sizeof(al));
1023
1024         thread__find_map(thread, cpumode, addr, &al);
1025
1026         if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
1027                 return 0;
1028
1029         al.cpu = cpu;
1030         al.sym = NULL;
1031         if (al.map)
1032                 al.sym = map__find_symbol(al.map, al.addr);
1033
1034         if (!al.sym)
1035                 return 0;
1036
1037         if (al.addr < al.sym->end)
1038                 off = al.addr - al.sym->start;
1039         else
1040                 off = al.addr - al.map->start - al.sym->start;
1041         printed += fprintf(fp, "\t%s", al.sym->name);
1042         if (off)
1043                 printed += fprintf(fp, "%+d", off);
1044         printed += fprintf(fp, ":");
1045         if (PRINT_FIELD(SRCLINE))
1046                 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
1047         printed += fprintf(fp, "\n");
1048         *lastsym = al.sym;
1049
1050         return printed;
1051 }
1052
1053 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
1054                                             struct thread *thread,
1055                                             struct perf_event_attr *attr,
1056                                             struct machine *machine, FILE *fp)
1057 {
1058         struct branch_stack *br = sample->branch_stack;
1059         struct branch_entry *entries = perf_sample__branch_entries(sample);
1060         u64 start, end;
1061         int i, insn, len, nr, ilen, printed = 0;
1062         struct perf_insn x;
1063         u8 buffer[MAXBB];
1064         unsigned off;
1065         struct symbol *lastsym = NULL;
1066         int total_cycles = 0;
1067
1068         if (!(br && br->nr))
1069                 return 0;
1070         nr = br->nr;
1071         if (max_blocks && nr > max_blocks + 1)
1072                 nr = max_blocks + 1;
1073
1074         x.thread = thread;
1075         x.cpu = sample->cpu;
1076
1077         printed += fprintf(fp, "%c", '\n');
1078
1079         /* Handle first from jump, of which we don't know the entry. */
1080         len = grab_bb(buffer, entries[nr-1].from,
1081                         entries[nr-1].from,
1082                         machine, thread, &x.is64bit, &x.cpumode, false);
1083         if (len > 0) {
1084                 printed += ip__fprintf_sym(entries[nr - 1].from, thread,
1085                                            x.cpumode, x.cpu, &lastsym, attr, fp);
1086                 printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1],
1087                                             &x, buffer, len, 0, fp, &total_cycles);
1088                 if (PRINT_FIELD(SRCCODE))
1089                         printed += print_srccode(thread, x.cpumode, entries[nr - 1].from);
1090         }
1091
1092         /* Print all blocks */
1093         for (i = nr - 2; i >= 0; i--) {
1094                 if (entries[i].from || entries[i].to)
1095                         pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1096                                  entries[i].from,
1097                                  entries[i].to);
1098                 start = entries[i + 1].to;
1099                 end   = entries[i].from;
1100
1101                 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1102                 /* Patch up missing kernel transfers due to ring filters */
1103                 if (len == -ENXIO && i > 0) {
1104                         end = entries[--i].from;
1105                         pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1106                         len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1107                 }
1108                 if (len <= 0)
1109                         continue;
1110
1111                 insn = 0;
1112                 for (off = 0; off < (unsigned)len; off += ilen) {
1113                         uint64_t ip = start + off;
1114
1115                         printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1116                         if (ip == end) {
1117                                 printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp,
1118                                                             &total_cycles);
1119                                 if (PRINT_FIELD(SRCCODE))
1120                                         printed += print_srccode(thread, x.cpumode, ip);
1121                                 break;
1122                         } else {
1123                                 ilen = 0;
1124                                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip,
1125                                                    dump_insn(&x, ip, buffer + off, len - off, &ilen));
1126                                 if (ilen == 0)
1127                                         break;
1128                                 if (PRINT_FIELD(SRCCODE))
1129                                         print_srccode(thread, x.cpumode, ip);
1130                                 insn++;
1131                         }
1132                 }
1133                 if (off != end - start)
1134                         printed += fprintf(fp, "\tmismatch of LBR data and executable\n");
1135         }
1136
1137         /*
1138          * Hit the branch? In this case we are already done, and the target
1139          * has not been executed yet.
1140          */
1141         if (entries[0].from == sample->ip)
1142                 goto out;
1143         if (entries[0].flags.abort)
1144                 goto out;
1145
1146         /*
1147          * Print final block upto sample
1148          *
1149          * Due to pipeline delays the LBRs might be missing a branch
1150          * or two, which can result in very large or negative blocks
1151          * between final branch and sample. When this happens just
1152          * continue walking after the last TO until we hit a branch.
1153          */
1154         start = entries[0].to;
1155         end = sample->ip;
1156         if (end < start) {
1157                 /* Missing jump. Scan 128 bytes for the next branch */
1158                 end = start + 128;
1159         }
1160         len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1161         printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1162         if (len <= 0) {
1163                 /* Print at least last IP if basic block did not work */
1164                 len = grab_bb(buffer, sample->ip, sample->ip,
1165                               machine, thread, &x.is64bit, &x.cpumode, false);
1166                 if (len <= 0)
1167                         goto out;
1168                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip,
1169                         dump_insn(&x, sample->ip, buffer, len, NULL));
1170                 if (PRINT_FIELD(SRCCODE))
1171                         print_srccode(thread, x.cpumode, sample->ip);
1172                 goto out;
1173         }
1174         for (off = 0; off <= end - start; off += ilen) {
1175                 ilen = 0;
1176                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off,
1177                                    dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1178                 if (ilen == 0)
1179                         break;
1180                 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) {
1181                         /*
1182                          * Hit a missing branch. Just stop.
1183                          */
1184                         printed += fprintf(fp, "\t... not reaching sample ...\n");
1185                         break;
1186                 }
1187                 if (PRINT_FIELD(SRCCODE))
1188                         print_srccode(thread, x.cpumode, start + off);
1189         }
1190 out:
1191         return printed;
1192 }
1193
1194 static int perf_sample__fprintf_addr(struct perf_sample *sample,
1195                                      struct thread *thread,
1196                                      struct perf_event_attr *attr, FILE *fp)
1197 {
1198         struct addr_location al;
1199         int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1200
1201         if (!sample_addr_correlates_sym(attr))
1202                 goto out;
1203
1204         thread__resolve(thread, &al, sample);
1205
1206         if (PRINT_FIELD(SYM)) {
1207                 printed += fprintf(fp, " ");
1208                 if (PRINT_FIELD(SYMOFFSET))
1209                         printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1210                 else
1211                         printed += symbol__fprintf_symname(al.sym, fp);
1212         }
1213
1214         if (PRINT_FIELD(DSO)) {
1215                 printed += fprintf(fp, " (");
1216                 printed += map__fprintf_dsoname(al.map, fp);
1217                 printed += fprintf(fp, ")");
1218         }
1219 out:
1220         return printed;
1221 }
1222
1223 static const char *resolve_branch_sym(struct perf_sample *sample,
1224                                       struct evsel *evsel,
1225                                       struct thread *thread,
1226                                       struct addr_location *al,
1227                                       u64 *ip)
1228 {
1229         struct addr_location addr_al;
1230         struct perf_event_attr *attr = &evsel->core.attr;
1231         const char *name = NULL;
1232
1233         if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1234                 if (sample_addr_correlates_sym(attr)) {
1235                         thread__resolve(thread, &addr_al, sample);
1236                         if (addr_al.sym)
1237                                 name = addr_al.sym->name;
1238                         else
1239                                 *ip = sample->addr;
1240                 } else {
1241                         *ip = sample->addr;
1242                 }
1243         } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1244                 if (al->sym)
1245                         name = al->sym->name;
1246                 else
1247                         *ip = sample->ip;
1248         }
1249         return name;
1250 }
1251
1252 static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1253                                            struct evsel *evsel,
1254                                            struct thread *thread,
1255                                            struct addr_location *al, FILE *fp)
1256 {
1257         struct perf_event_attr *attr = &evsel->core.attr;
1258         size_t depth = thread_stack__depth(thread, sample->cpu);
1259         const char *name = NULL;
1260         static int spacing;
1261         int len = 0;
1262         int dlen = 0;
1263         u64 ip = 0;
1264
1265         /*
1266          * The 'return' has already been popped off the stack so the depth has
1267          * to be adjusted to match the 'call'.
1268          */
1269         if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
1270                 depth += 1;
1271
1272         name = resolve_branch_sym(sample, evsel, thread, al, &ip);
1273
1274         if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
1275                 dlen += fprintf(fp, "(");
1276                 dlen += map__fprintf_dsoname(al->map, fp);
1277                 dlen += fprintf(fp, ")\t");
1278         }
1279
1280         if (name)
1281                 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1282         else if (ip)
1283                 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1284
1285         if (len < 0)
1286                 return len;
1287
1288         /*
1289          * Try to keep the output length from changing frequently so that the
1290          * output lines up more nicely.
1291          */
1292         if (len > spacing || (len && len < spacing - 52))
1293                 spacing = round_up(len + 4, 32);
1294
1295         if (len < spacing)
1296                 len += fprintf(fp, "%*s", spacing - len, "");
1297
1298         return len + dlen;
1299 }
1300
1301 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused,
1302                             struct thread *thread __maybe_unused,
1303                             struct machine *machine __maybe_unused)
1304 {
1305 }
1306
1307 static int perf_sample__fprintf_insn(struct perf_sample *sample,
1308                                      struct perf_event_attr *attr,
1309                                      struct thread *thread,
1310                                      struct machine *machine, FILE *fp)
1311 {
1312         int printed = 0;
1313
1314         if (sample->insn_len == 0 && native_arch)
1315                 arch_fetch_insn(sample, thread, machine);
1316
1317         if (PRINT_FIELD(INSNLEN))
1318                 printed += fprintf(fp, " ilen: %d", sample->insn_len);
1319         if (PRINT_FIELD(INSN) && sample->insn_len) {
1320                 int i;
1321
1322                 printed += fprintf(fp, " insn:");
1323                 for (i = 0; i < sample->insn_len; i++)
1324                         printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
1325         }
1326         if (PRINT_FIELD(BRSTACKINSN))
1327                 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
1328
1329         return printed;
1330 }
1331
1332 static int perf_sample__fprintf_ipc(struct perf_sample *sample,
1333                                     struct perf_event_attr *attr, FILE *fp)
1334 {
1335         unsigned int ipc;
1336
1337         if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt)
1338                 return 0;
1339
1340         ipc = (sample->insn_cnt * 100) / sample->cyc_cnt;
1341
1342         return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ",
1343                        ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt);
1344 }
1345
1346 static int perf_sample__fprintf_bts(struct perf_sample *sample,
1347                                     struct evsel *evsel,
1348                                     struct thread *thread,
1349                                     struct addr_location *al,
1350                                     struct machine *machine, FILE *fp)
1351 {
1352         struct perf_event_attr *attr = &evsel->core.attr;
1353         unsigned int type = output_type(attr->type);
1354         bool print_srcline_last = false;
1355         int printed = 0;
1356
1357         if (PRINT_FIELD(CALLINDENT))
1358                 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp);
1359
1360         /* print branch_from information */
1361         if (PRINT_FIELD(IP)) {
1362                 unsigned int print_opts = output[type].print_ip_opts;
1363                 struct callchain_cursor *cursor = NULL;
1364
1365                 if (symbol_conf.use_callchain && sample->callchain &&
1366                     thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1367                                               sample, NULL, NULL, scripting_max_stack) == 0)
1368                         cursor = &callchain_cursor;
1369
1370                 if (cursor == NULL) {
1371                         printed += fprintf(fp, " ");
1372                         if (print_opts & EVSEL__PRINT_SRCLINE) {
1373                                 print_srcline_last = true;
1374                                 print_opts &= ~EVSEL__PRINT_SRCLINE;
1375                         }
1376                 } else
1377                         printed += fprintf(fp, "\n");
1378
1379                 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor,
1380                                                symbol_conf.bt_stop_list, fp);
1381         }
1382
1383         /* print branch_to information */
1384         if (PRINT_FIELD(ADDR) ||
1385             ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
1386              !output[type].user_set)) {
1387                 printed += fprintf(fp, " => ");
1388                 printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1389         }
1390
1391         printed += perf_sample__fprintf_ipc(sample, attr, fp);
1392
1393         if (print_srcline_last)
1394                 printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
1395
1396         printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1397         printed += fprintf(fp, "\n");
1398         if (PRINT_FIELD(SRCCODE)) {
1399                 int ret = map__fprintf_srccode(al->map, al->addr, stdout,
1400                                          &thread->srccode_state);
1401                 if (ret) {
1402                         printed += ret;
1403                         printed += printf("\n");
1404                 }
1405         }
1406         return printed;
1407 }
1408
1409 static struct {
1410         u32 flags;
1411         const char *name;
1412 } sample_flags[] = {
1413         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1414         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1415         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1416         {PERF_IP_FLAG_BRANCH, "jmp"},
1417         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1418         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1419         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1420         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1421         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1422         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"},
1423         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1424         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1425         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1426         {0, NULL}
1427 };
1428
1429 static const char *sample_flags_to_name(u32 flags)
1430 {
1431         int i;
1432
1433         for (i = 0; sample_flags[i].name ; i++) {
1434                 if (sample_flags[i].flags == flags)
1435                         return sample_flags[i].name;
1436         }
1437
1438         return NULL;
1439 }
1440
1441 static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1442 {
1443         const char *chars = PERF_IP_FLAG_CHARS;
1444         const int n = strlen(PERF_IP_FLAG_CHARS);
1445         bool in_tx = flags & PERF_IP_FLAG_IN_TX;
1446         const char *name = NULL;
1447         char str[33];
1448         int i, pos = 0;
1449
1450         name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX);
1451         if (name)
1452                 return fprintf(fp, "  %-15s%4s ", name, in_tx ? "(x)" : "");
1453
1454         if (flags & PERF_IP_FLAG_TRACE_BEGIN) {
1455                 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN));
1456                 if (name)
1457                         return fprintf(fp, "  tr strt %-7s%4s ", name, in_tx ? "(x)" : "");
1458         }
1459
1460         if (flags & PERF_IP_FLAG_TRACE_END) {
1461                 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END));
1462                 if (name)
1463                         return fprintf(fp, "  tr end  %-7s%4s ", name, in_tx ? "(x)" : "");
1464         }
1465
1466         for (i = 0; i < n; i++, flags >>= 1) {
1467                 if (flags & 1)
1468                         str[pos++] = chars[i];
1469         }
1470         for (; i < 32; i++, flags >>= 1) {
1471                 if (flags & 1)
1472                         str[pos++] = '?';
1473         }
1474         str[pos] = 0;
1475
1476         return fprintf(fp, "  %-19s ", str);
1477 }
1478
1479 struct printer_data {
1480         int line_no;
1481         bool hit_nul;
1482         bool is_printable;
1483 };
1484
1485 static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1486                                       unsigned int val,
1487                                       void *extra, FILE *fp)
1488 {
1489         unsigned char ch = (unsigned char)val;
1490         struct printer_data *printer_data = extra;
1491         int printed = 0;
1492
1493         switch (op) {
1494         case BINARY_PRINT_DATA_BEGIN:
1495                 printed += fprintf(fp, "\n");
1496                 break;
1497         case BINARY_PRINT_LINE_BEGIN:
1498                 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1499                                                         "           ");
1500                 break;
1501         case BINARY_PRINT_ADDR:
1502                 printed += fprintf(fp, " %04x:", val);
1503                 break;
1504         case BINARY_PRINT_NUM_DATA:
1505                 printed += fprintf(fp, " %02x", val);
1506                 break;
1507         case BINARY_PRINT_NUM_PAD:
1508                 printed += fprintf(fp, "   ");
1509                 break;
1510         case BINARY_PRINT_SEP:
1511                 printed += fprintf(fp, "  ");
1512                 break;
1513         case BINARY_PRINT_CHAR_DATA:
1514                 if (printer_data->hit_nul && ch)
1515                         printer_data->is_printable = false;
1516
1517                 if (!isprint(ch)) {
1518                         printed += fprintf(fp, "%c", '.');
1519
1520                         if (!printer_data->is_printable)
1521                                 break;
1522
1523                         if (ch == '\0')
1524                                 printer_data->hit_nul = true;
1525                         else
1526                                 printer_data->is_printable = false;
1527                 } else {
1528                         printed += fprintf(fp, "%c", ch);
1529                 }
1530                 break;
1531         case BINARY_PRINT_CHAR_PAD:
1532                 printed += fprintf(fp, " ");
1533                 break;
1534         case BINARY_PRINT_LINE_END:
1535                 printed += fprintf(fp, "\n");
1536                 printer_data->line_no++;
1537                 break;
1538         case BINARY_PRINT_DATA_END:
1539         default:
1540                 break;
1541         }
1542
1543         return printed;
1544 }
1545
1546 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1547 {
1548         unsigned int nr_bytes = sample->raw_size;
1549         struct printer_data printer_data = {0, false, true};
1550         int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1551                                       sample__fprintf_bpf_output, &printer_data, fp);
1552
1553         if (printer_data.is_printable && printer_data.hit_nul)
1554                 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1555
1556         return printed;
1557 }
1558
1559 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1560 {
1561         if (len > 0 && len < spacing)
1562                 return fprintf(fp, "%*s", spacing - len, "");
1563
1564         return 0;
1565 }
1566
1567 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1568 {
1569         return perf_sample__fprintf_spacing(len, 34, fp);
1570 }
1571
1572 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1573 {
1574         struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1575         int len;
1576
1577         if (perf_sample__bad_synth_size(sample, *data))
1578                 return 0;
1579
1580         len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ",
1581                      data->ip, le64_to_cpu(data->payload));
1582         return len + perf_sample__fprintf_pt_spacing(len, fp);
1583 }
1584
1585 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1586 {
1587         struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1588         int len;
1589
1590         if (perf_sample__bad_synth_size(sample, *data))
1591                 return 0;
1592
1593         len = fprintf(fp, " hints: %#x extensions: %#x ",
1594                       data->hints, data->extensions);
1595         return len + perf_sample__fprintf_pt_spacing(len, fp);
1596 }
1597
1598 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1599 {
1600         struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1601         int len;
1602
1603         if (perf_sample__bad_synth_size(sample, *data))
1604                 return 0;
1605
1606         len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1607                       data->hw, data->cstate, data->subcstate);
1608         return len + perf_sample__fprintf_pt_spacing(len, fp);
1609 }
1610
1611 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1612 {
1613         struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1614         int len;
1615
1616         if (perf_sample__bad_synth_size(sample, *data))
1617                 return 0;
1618
1619         len = fprintf(fp, " IP: %u ", data->ip);
1620         return len + perf_sample__fprintf_pt_spacing(len, fp);
1621 }
1622
1623 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1624 {
1625         struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1626         int len;
1627
1628         if (perf_sample__bad_synth_size(sample, *data))
1629                 return 0;
1630
1631         len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1632                      data->deepest_cstate, data->last_cstate,
1633                      data->wake_reason);
1634         return len + perf_sample__fprintf_pt_spacing(len, fp);
1635 }
1636
1637 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1638 {
1639         struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1640         unsigned int percent, freq;
1641         int len;
1642
1643         if (perf_sample__bad_synth_size(sample, *data))
1644                 return 0;
1645
1646         freq = (le32_to_cpu(data->freq) + 500) / 1000;
1647         len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1648         if (data->max_nonturbo) {
1649                 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1650                 len += fprintf(fp, "(%3u%%) ", percent);
1651         }
1652         return len + perf_sample__fprintf_pt_spacing(len, fp);
1653 }
1654
1655 static int perf_sample__fprintf_synth(struct perf_sample *sample,
1656                                       struct evsel *evsel, FILE *fp)
1657 {
1658         switch (evsel->core.attr.config) {
1659         case PERF_SYNTH_INTEL_PTWRITE:
1660                 return perf_sample__fprintf_synth_ptwrite(sample, fp);
1661         case PERF_SYNTH_INTEL_MWAIT:
1662                 return perf_sample__fprintf_synth_mwait(sample, fp);
1663         case PERF_SYNTH_INTEL_PWRE:
1664                 return perf_sample__fprintf_synth_pwre(sample, fp);
1665         case PERF_SYNTH_INTEL_EXSTOP:
1666                 return perf_sample__fprintf_synth_exstop(sample, fp);
1667         case PERF_SYNTH_INTEL_PWRX:
1668                 return perf_sample__fprintf_synth_pwrx(sample, fp);
1669         case PERF_SYNTH_INTEL_CBR:
1670                 return perf_sample__fprintf_synth_cbr(sample, fp);
1671         default:
1672                 break;
1673         }
1674
1675         return 0;
1676 }
1677
1678 struct perf_script {
1679         struct perf_tool        tool;
1680         struct perf_session     *session;
1681         bool                    show_task_events;
1682         bool                    show_mmap_events;
1683         bool                    show_switch_events;
1684         bool                    show_namespace_events;
1685         bool                    show_lost_events;
1686         bool                    show_round_events;
1687         bool                    show_bpf_events;
1688         bool                    allocated;
1689         bool                    per_event_dump;
1690         struct evswitch         evswitch;
1691         struct perf_cpu_map     *cpus;
1692         struct perf_thread_map *threads;
1693         int                     name_width;
1694         const char              *time_str;
1695         struct perf_time_interval *ptime_range;
1696         int                     range_size;
1697         int                     range_num;
1698 };
1699
1700 static int perf_evlist__max_name_len(struct evlist *evlist)
1701 {
1702         struct evsel *evsel;
1703         int max = 0;
1704
1705         evlist__for_each_entry(evlist, evsel) {
1706                 int len = strlen(perf_evsel__name(evsel));
1707
1708                 max = MAX(len, max);
1709         }
1710
1711         return max;
1712 }
1713
1714 static int data_src__fprintf(u64 data_src, FILE *fp)
1715 {
1716         struct mem_info mi = { .data_src.val = data_src };
1717         char decode[100];
1718         char out[100];
1719         static int maxlen;
1720         int len;
1721
1722         perf_script__meminfo_scnprintf(decode, 100, &mi);
1723
1724         len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
1725         if (maxlen < len)
1726                 maxlen = len;
1727
1728         return fprintf(fp, "%-*s", maxlen, out);
1729 }
1730
1731 struct metric_ctx {
1732         struct perf_sample      *sample;
1733         struct thread           *thread;
1734         struct evsel    *evsel;
1735         FILE                    *fp;
1736 };
1737
1738 static void script_print_metric(struct perf_stat_config *config __maybe_unused,
1739                                 void *ctx, const char *color,
1740                                 const char *fmt,
1741                                 const char *unit, double val)
1742 {
1743         struct metric_ctx *mctx = ctx;
1744
1745         if (!fmt)
1746                 return;
1747         perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
1748                                    PERF_RECORD_SAMPLE, mctx->fp);
1749         fputs("\tmetric: ", mctx->fp);
1750         if (color)
1751                 color_fprintf(mctx->fp, color, fmt, val);
1752         else
1753                 printf(fmt, val);
1754         fprintf(mctx->fp, " %s\n", unit);
1755 }
1756
1757 static void script_new_line(struct perf_stat_config *config __maybe_unused,
1758                             void *ctx)
1759 {
1760         struct metric_ctx *mctx = ctx;
1761
1762         perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
1763                                    PERF_RECORD_SAMPLE, mctx->fp);
1764         fputs("\tmetric: ", mctx->fp);
1765 }
1766
1767 static void perf_sample__fprint_metric(struct perf_script *script,
1768                                        struct thread *thread,
1769                                        struct evsel *evsel,
1770                                        struct perf_sample *sample,
1771                                        FILE *fp)
1772 {
1773         struct perf_stat_output_ctx ctx = {
1774                 .print_metric = script_print_metric,
1775                 .new_line = script_new_line,
1776                 .ctx = &(struct metric_ctx) {
1777                                 .sample = sample,
1778                                 .thread = thread,
1779                                 .evsel  = evsel,
1780                                 .fp     = fp,
1781                          },
1782                 .force_header = false,
1783         };
1784         struct evsel *ev2;
1785         u64 val;
1786
1787         if (!evsel->stats)
1788                 perf_evlist__alloc_stats(script->session->evlist, false);
1789         if (evsel_script(evsel->leader)->gnum++ == 0)
1790                 perf_stat__reset_shadow_stats();
1791         val = sample->period * evsel->scale;
1792         perf_stat__update_shadow_stats(evsel,
1793                                        val,
1794                                        sample->cpu,
1795                                        &rt_stat);
1796         evsel_script(evsel)->val = val;
1797         if (evsel_script(evsel->leader)->gnum == evsel->leader->core.nr_members) {
1798                 for_each_group_member (ev2, evsel->leader) {
1799                         perf_stat__print_shadow_stats(&stat_config, ev2,
1800                                                       evsel_script(ev2)->val,
1801                                                       sample->cpu,
1802                                                       &ctx,
1803                                                       NULL,
1804                                                       &rt_stat);
1805                 }
1806                 evsel_script(evsel->leader)->gnum = 0;
1807         }
1808 }
1809
1810 static bool show_event(struct perf_sample *sample,
1811                        struct evsel *evsel,
1812                        struct thread *thread,
1813                        struct addr_location *al)
1814 {
1815         int depth = thread_stack__depth(thread, sample->cpu);
1816
1817         if (!symbol_conf.graph_function)
1818                 return true;
1819
1820         if (thread->filter) {
1821                 if (depth <= thread->filter_entry_depth) {
1822                         thread->filter = false;
1823                         return false;
1824                 }
1825                 return true;
1826         } else {
1827                 const char *s = symbol_conf.graph_function;
1828                 u64 ip;
1829                 const char *name = resolve_branch_sym(sample, evsel, thread, al,
1830                                 &ip);
1831                 unsigned nlen;
1832
1833                 if (!name)
1834                         return false;
1835                 nlen = strlen(name);
1836                 while (*s) {
1837                         unsigned len = strcspn(s, ",");
1838                         if (nlen == len && !strncmp(name, s, len)) {
1839                                 thread->filter = true;
1840                                 thread->filter_entry_depth = depth;
1841                                 return true;
1842                         }
1843                         s += len;
1844                         if (*s == ',')
1845                                 s++;
1846                 }
1847                 return false;
1848         }
1849 }
1850
1851 static void process_event(struct perf_script *script,
1852                           struct perf_sample *sample, struct evsel *evsel,
1853                           struct addr_location *al,
1854                           struct machine *machine)
1855 {
1856         struct thread *thread = al->thread;
1857         struct perf_event_attr *attr = &evsel->core.attr;
1858         unsigned int type = output_type(attr->type);
1859         struct evsel_script *es = evsel->priv;
1860         FILE *fp = es->fp;
1861
1862         if (output[type].fields == 0)
1863                 return;
1864
1865         if (!show_event(sample, evsel, thread, al))
1866                 return;
1867
1868         if (evswitch__discard(&script->evswitch, evsel))
1869                 return;
1870
1871         ++es->samples;
1872
1873         perf_sample__fprintf_start(sample, thread, evsel,
1874                                    PERF_RECORD_SAMPLE, fp);
1875
1876         if (PRINT_FIELD(PERIOD))
1877                 fprintf(fp, "%10" PRIu64 " ", sample->period);
1878
1879         if (PRINT_FIELD(EVNAME)) {
1880                 const char *evname = perf_evsel__name(evsel);
1881
1882                 if (!script->name_width)
1883                         script->name_width = perf_evlist__max_name_len(script->session->evlist);
1884
1885                 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
1886         }
1887
1888         if (print_flags)
1889                 perf_sample__fprintf_flags(sample->flags, fp);
1890
1891         if (is_bts_event(attr)) {
1892                 perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp);
1893                 return;
1894         }
1895
1896         if (PRINT_FIELD(TRACE) && sample->raw_data) {
1897                 event_format__fprintf(evsel->tp_format, sample->cpu,
1898                                       sample->raw_data, sample->raw_size, fp);
1899         }
1900
1901         if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
1902                 perf_sample__fprintf_synth(sample, evsel, fp);
1903
1904         if (PRINT_FIELD(ADDR))
1905                 perf_sample__fprintf_addr(sample, thread, attr, fp);
1906
1907         if (PRINT_FIELD(DATA_SRC))
1908                 data_src__fprintf(sample->data_src, fp);
1909
1910         if (PRINT_FIELD(WEIGHT))
1911                 fprintf(fp, "%16" PRIu64, sample->weight);
1912
1913         if (PRINT_FIELD(IP)) {
1914                 struct callchain_cursor *cursor = NULL;
1915
1916                 if (symbol_conf.use_callchain && sample->callchain &&
1917                     thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1918                                               sample, NULL, NULL, scripting_max_stack) == 0)
1919                         cursor = &callchain_cursor;
1920
1921                 fputc(cursor ? '\n' : ' ', fp);
1922                 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor,
1923                                     symbol_conf.bt_stop_list, fp);
1924         }
1925
1926         if (PRINT_FIELD(IREGS))
1927                 perf_sample__fprintf_iregs(sample, attr, fp);
1928
1929         if (PRINT_FIELD(UREGS))
1930                 perf_sample__fprintf_uregs(sample, attr, fp);
1931
1932         if (PRINT_FIELD(BRSTACK))
1933                 perf_sample__fprintf_brstack(sample, thread, attr, fp);
1934         else if (PRINT_FIELD(BRSTACKSYM))
1935                 perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
1936         else if (PRINT_FIELD(BRSTACKOFF))
1937                 perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
1938
1939         if (perf_evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
1940                 perf_sample__fprintf_bpf_output(sample, fp);
1941         perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1942
1943         if (PRINT_FIELD(PHYS_ADDR))
1944                 fprintf(fp, "%16" PRIx64, sample->phys_addr);
1945
1946         perf_sample__fprintf_ipc(sample, attr, fp);
1947
1948         fprintf(fp, "\n");
1949
1950         if (PRINT_FIELD(SRCCODE)) {
1951                 if (map__fprintf_srccode(al->map, al->addr, stdout,
1952                                          &thread->srccode_state))
1953                         printf("\n");
1954         }
1955
1956         if (PRINT_FIELD(METRIC))
1957                 perf_sample__fprint_metric(script, thread, evsel, sample, fp);
1958
1959         if (verbose)
1960                 fflush(fp);
1961 }
1962
1963 static struct scripting_ops     *scripting_ops;
1964
1965 static void __process_stat(struct evsel *counter, u64 tstamp)
1966 {
1967         int nthreads = perf_thread_map__nr(counter->core.threads);
1968         int ncpus = perf_evsel__nr_cpus(counter);
1969         int cpu, thread;
1970         static int header_printed;
1971
1972         if (counter->core.system_wide)
1973                 nthreads = 1;
1974
1975         if (!header_printed) {
1976                 printf("%3s %8s %15s %15s %15s %15s %s\n",
1977                        "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
1978                 header_printed = 1;
1979         }
1980
1981         for (thread = 0; thread < nthreads; thread++) {
1982                 for (cpu = 0; cpu < ncpus; cpu++) {
1983                         struct perf_counts_values *counts;
1984
1985                         counts = perf_counts(counter->counts, cpu, thread);
1986
1987                         printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
1988                                 counter->core.cpus->map[cpu],
1989                                 perf_thread_map__pid(counter->core.threads, thread),
1990                                 counts->val,
1991                                 counts->ena,
1992                                 counts->run,
1993                                 tstamp,
1994                                 perf_evsel__name(counter));
1995                 }
1996         }
1997 }
1998
1999 static void process_stat(struct evsel *counter, u64 tstamp)
2000 {
2001         if (scripting_ops && scripting_ops->process_stat)
2002                 scripting_ops->process_stat(&stat_config, counter, tstamp);
2003         else
2004                 __process_stat(counter, tstamp);
2005 }
2006
2007 static void process_stat_interval(u64 tstamp)
2008 {
2009         if (scripting_ops && scripting_ops->process_stat_interval)
2010                 scripting_ops->process_stat_interval(tstamp);
2011 }
2012
2013 static void setup_scripting(void)
2014 {
2015         setup_perl_scripting();
2016         setup_python_scripting();
2017 }
2018
2019 static int flush_scripting(void)
2020 {
2021         return scripting_ops ? scripting_ops->flush_script() : 0;
2022 }
2023
2024 static int cleanup_scripting(void)
2025 {
2026         pr_debug("\nperf script stopped\n");
2027
2028         return scripting_ops ? scripting_ops->stop_script() : 0;
2029 }
2030
2031 static bool filter_cpu(struct perf_sample *sample)
2032 {
2033         if (cpu_list)
2034                 return !test_bit(sample->cpu, cpu_bitmap);
2035         return false;
2036 }
2037
2038 static int process_sample_event(struct perf_tool *tool,
2039                                 union perf_event *event,
2040                                 struct perf_sample *sample,
2041                                 struct evsel *evsel,
2042                                 struct machine *machine)
2043 {
2044         struct perf_script *scr = container_of(tool, struct perf_script, tool);
2045         struct addr_location al;
2046
2047         if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
2048                                           sample->time)) {
2049                 return 0;
2050         }
2051
2052         if (debug_mode) {
2053                 if (sample->time < last_timestamp) {
2054                         pr_err("Samples misordered, previous: %" PRIu64
2055                                 " this: %" PRIu64 "\n", last_timestamp,
2056                                 sample->time);
2057                         nr_unordered++;
2058                 }
2059                 last_timestamp = sample->time;
2060                 return 0;
2061         }
2062
2063         if (machine__resolve(machine, &al, sample) < 0) {
2064                 pr_err("problem processing %d event, skipping it.\n",
2065                        event->header.type);
2066                 return -1;
2067         }
2068
2069         if (al.filtered)
2070                 goto out_put;
2071
2072         if (filter_cpu(sample))
2073                 goto out_put;
2074
2075         if (scripting_ops)
2076                 scripting_ops->process_event(event, sample, evsel, &al);
2077         else
2078                 process_event(scr, sample, evsel, &al, machine);
2079
2080 out_put:
2081         addr_location__put(&al);
2082         return 0;
2083 }
2084
2085 static int process_attr(struct perf_tool *tool, union perf_event *event,
2086                         struct evlist **pevlist)
2087 {
2088         struct perf_script *scr = container_of(tool, struct perf_script, tool);
2089         struct evlist *evlist;
2090         struct evsel *evsel, *pos;
2091         int err;
2092         static struct evsel_script *es;
2093
2094         err = perf_event__process_attr(tool, event, pevlist);
2095         if (err)
2096                 return err;
2097
2098         evlist = *pevlist;
2099         evsel = evlist__last(*pevlist);
2100
2101         if (!evsel->priv) {
2102                 if (scr->per_event_dump) {
2103                         evsel->priv = perf_evsel_script__new(evsel,
2104                                                 scr->session->data);
2105                 } else {
2106                         es = zalloc(sizeof(*es));
2107                         if (!es)
2108                                 return -ENOMEM;
2109                         es->fp = stdout;
2110                         evsel->priv = es;
2111                 }
2112         }
2113
2114         if (evsel->core.attr.type >= PERF_TYPE_MAX &&
2115             evsel->core.attr.type != PERF_TYPE_SYNTH)
2116                 return 0;
2117
2118         evlist__for_each_entry(evlist, pos) {
2119                 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel)
2120                         return 0;
2121         }
2122
2123         set_print_ip_opts(&evsel->core.attr);
2124
2125         if (evsel->core.attr.sample_type)
2126                 err = perf_evsel__check_attr(evsel, scr->session);
2127
2128         return err;
2129 }
2130
2131 static int process_comm_event(struct perf_tool *tool,
2132                               union perf_event *event,
2133                               struct perf_sample *sample,
2134                               struct machine *machine)
2135 {
2136         struct thread *thread;
2137         struct perf_script *script = container_of(tool, struct perf_script, tool);
2138         struct perf_session *session = script->session;
2139         struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2140         int ret = -1;
2141
2142         thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid);
2143         if (thread == NULL) {
2144                 pr_debug("problem processing COMM event, skipping it.\n");
2145                 return -1;
2146         }
2147
2148         if (perf_event__process_comm(tool, event, sample, machine) < 0)
2149                 goto out;
2150
2151         if (!evsel->core.attr.sample_id_all) {
2152                 sample->cpu = 0;
2153                 sample->time = 0;
2154                 sample->tid = event->comm.tid;
2155                 sample->pid = event->comm.pid;
2156         }
2157         if (!filter_cpu(sample)) {
2158                 perf_sample__fprintf_start(sample, thread, evsel,
2159                                    PERF_RECORD_COMM, stdout);
2160                 perf_event__fprintf(event, stdout);
2161         }
2162         ret = 0;
2163 out:
2164         thread__put(thread);
2165         return ret;
2166 }
2167
2168 static int process_namespaces_event(struct perf_tool *tool,
2169                                     union perf_event *event,
2170                                     struct perf_sample *sample,
2171                                     struct machine *machine)
2172 {
2173         struct thread *thread;
2174         struct perf_script *script = container_of(tool, struct perf_script, tool);
2175         struct perf_session *session = script->session;
2176         struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2177         int ret = -1;
2178
2179         thread = machine__findnew_thread(machine, event->namespaces.pid,
2180                                          event->namespaces.tid);
2181         if (thread == NULL) {
2182                 pr_debug("problem processing NAMESPACES event, skipping it.\n");
2183                 return -1;
2184         }
2185
2186         if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
2187                 goto out;
2188
2189         if (!evsel->core.attr.sample_id_all) {
2190                 sample->cpu = 0;
2191                 sample->time = 0;
2192                 sample->tid = event->namespaces.tid;
2193                 sample->pid = event->namespaces.pid;
2194         }
2195         if (!filter_cpu(sample)) {
2196                 perf_sample__fprintf_start(sample, thread, evsel,
2197                                            PERF_RECORD_NAMESPACES, stdout);
2198                 perf_event__fprintf(event, stdout);
2199         }
2200         ret = 0;
2201 out:
2202         thread__put(thread);
2203         return ret;
2204 }
2205
2206 static int process_fork_event(struct perf_tool *tool,
2207                               union perf_event *event,
2208                               struct perf_sample *sample,
2209                               struct machine *machine)
2210 {
2211         struct thread *thread;
2212         struct perf_script *script = container_of(tool, struct perf_script, tool);
2213         struct perf_session *session = script->session;
2214         struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2215
2216         if (perf_event__process_fork(tool, event, sample, machine) < 0)
2217                 return -1;
2218
2219         thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
2220         if (thread == NULL) {
2221                 pr_debug("problem processing FORK event, skipping it.\n");
2222                 return -1;
2223         }
2224
2225         if (!evsel->core.attr.sample_id_all) {
2226                 sample->cpu = 0;
2227                 sample->time = event->fork.time;
2228                 sample->tid = event->fork.tid;
2229                 sample->pid = event->fork.pid;
2230         }
2231         if (!filter_cpu(sample)) {
2232                 perf_sample__fprintf_start(sample, thread, evsel,
2233                                            PERF_RECORD_FORK, stdout);
2234                 perf_event__fprintf(event, stdout);
2235         }
2236         thread__put(thread);
2237
2238         return 0;
2239 }
2240 static int process_exit_event(struct perf_tool *tool,
2241                               union perf_event *event,
2242                               struct perf_sample *sample,
2243                               struct machine *machine)
2244 {
2245         int err = 0;
2246         struct thread *thread;
2247         struct perf_script *script = container_of(tool, struct perf_script, tool);
2248         struct perf_session *session = script->session;
2249         struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2250
2251         thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
2252         if (thread == NULL) {
2253                 pr_debug("problem processing EXIT event, skipping it.\n");
2254                 return -1;
2255         }
2256
2257         if (!evsel->core.attr.sample_id_all) {
2258                 sample->cpu = 0;
2259                 sample->time = 0;
2260                 sample->tid = event->fork.tid;
2261                 sample->pid = event->fork.pid;
2262         }
2263         if (!filter_cpu(sample)) {
2264                 perf_sample__fprintf_start(sample, thread, evsel,
2265                                            PERF_RECORD_EXIT, stdout);
2266                 perf_event__fprintf(event, stdout);
2267         }
2268
2269         if (perf_event__process_exit(tool, event, sample, machine) < 0)
2270                 err = -1;
2271
2272         thread__put(thread);
2273         return err;
2274 }
2275
2276 static int process_mmap_event(struct perf_tool *tool,
2277                               union perf_event *event,
2278                               struct perf_sample *sample,
2279                               struct machine *machine)
2280 {
2281         struct thread *thread;
2282         struct perf_script *script = container_of(tool, struct perf_script, tool);
2283         struct perf_session *session = script->session;
2284         struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2285
2286         if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2287                 return -1;
2288
2289         thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid);
2290         if (thread == NULL) {
2291                 pr_debug("problem processing MMAP event, skipping it.\n");
2292                 return -1;
2293         }
2294
2295         if (!evsel->core.attr.sample_id_all) {
2296                 sample->cpu = 0;
2297                 sample->time = 0;
2298                 sample->tid = event->mmap.tid;
2299                 sample->pid = event->mmap.pid;
2300         }
2301         if (!filter_cpu(sample)) {
2302                 perf_sample__fprintf_start(sample, thread, evsel,
2303                                            PERF_RECORD_MMAP, stdout);
2304                 perf_event__fprintf(event, stdout);
2305         }
2306         thread__put(thread);
2307         return 0;
2308 }
2309
2310 static int process_mmap2_event(struct perf_tool *tool,
2311                               union perf_event *event,
2312                               struct perf_sample *sample,
2313                               struct machine *machine)
2314 {
2315         struct thread *thread;
2316         struct perf_script *script = container_of(tool, struct perf_script, tool);
2317         struct perf_session *session = script->session;
2318         struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2319
2320         if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2321                 return -1;
2322
2323         thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid);
2324         if (thread == NULL) {
2325                 pr_debug("problem processing MMAP2 event, skipping it.\n");
2326                 return -1;
2327         }
2328
2329         if (!evsel->core.attr.sample_id_all) {
2330                 sample->cpu = 0;
2331                 sample->time = 0;
2332                 sample->tid = event->mmap2.tid;
2333                 sample->pid = event->mmap2.pid;
2334         }
2335         if (!filter_cpu(sample)) {
2336                 perf_sample__fprintf_start(sample, thread, evsel,
2337                                            PERF_RECORD_MMAP2, stdout);
2338                 perf_event__fprintf(event, stdout);
2339         }
2340         thread__put(thread);
2341         return 0;
2342 }
2343
2344 static int process_switch_event(struct perf_tool *tool,
2345                                 union perf_event *event,
2346                                 struct perf_sample *sample,
2347                                 struct machine *machine)
2348 {
2349         struct thread *thread;
2350         struct perf_script *script = container_of(tool, struct perf_script, tool);
2351         struct perf_session *session = script->session;
2352         struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2353
2354         if (perf_event__process_switch(tool, event, sample, machine) < 0)
2355                 return -1;
2356
2357         if (scripting_ops && scripting_ops->process_switch)
2358                 scripting_ops->process_switch(event, sample, machine);
2359
2360         if (!script->show_switch_events)
2361                 return 0;
2362
2363         thread = machine__findnew_thread(machine, sample->pid,
2364                                          sample->tid);
2365         if (thread == NULL) {
2366                 pr_debug("problem processing SWITCH event, skipping it.\n");
2367                 return -1;
2368         }
2369
2370         if (!filter_cpu(sample)) {
2371                 perf_sample__fprintf_start(sample, thread, evsel,
2372                                            PERF_RECORD_SWITCH, stdout);
2373                 perf_event__fprintf(event, stdout);
2374         }
2375         thread__put(thread);
2376         return 0;
2377 }
2378
2379 static int
2380 process_lost_event(struct perf_tool *tool,
2381                    union perf_event *event,
2382                    struct perf_sample *sample,
2383                    struct machine *machine)
2384 {
2385         struct perf_script *script = container_of(tool, struct perf_script, tool);
2386         struct perf_session *session = script->session;
2387         struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2388         struct thread *thread;
2389
2390         thread = machine__findnew_thread(machine, sample->pid,
2391                                          sample->tid);
2392         if (thread == NULL)
2393                 return -1;
2394
2395         if (!filter_cpu(sample)) {
2396                 perf_sample__fprintf_start(sample, thread, evsel,
2397                                            PERF_RECORD_LOST, stdout);
2398                 perf_event__fprintf(event, stdout);
2399         }
2400         thread__put(thread);
2401         return 0;
2402 }
2403
2404 static int
2405 process_finished_round_event(struct perf_tool *tool __maybe_unused,
2406                              union perf_event *event,
2407                              struct ordered_events *oe __maybe_unused)
2408
2409 {
2410         perf_event__fprintf(event, stdout);
2411         return 0;
2412 }
2413
2414 static int
2415 process_bpf_events(struct perf_tool *tool __maybe_unused,
2416                    union perf_event *event,
2417                    struct perf_sample *sample,
2418                    struct machine *machine)
2419 {
2420         struct thread *thread;
2421         struct perf_script *script = container_of(tool, struct perf_script, tool);
2422         struct perf_session *session = script->session;
2423         struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2424
2425         if (machine__process_ksymbol(machine, event, sample) < 0)
2426                 return -1;
2427
2428         if (!evsel->core.attr.sample_id_all) {
2429                 perf_event__fprintf(event, stdout);
2430                 return 0;
2431         }
2432
2433         thread = machine__findnew_thread(machine, sample->pid, sample->tid);
2434         if (thread == NULL) {
2435                 pr_debug("problem processing MMAP event, skipping it.\n");
2436                 return -1;
2437         }
2438
2439         if (!filter_cpu(sample)) {
2440                 perf_sample__fprintf_start(sample, thread, evsel,
2441                                            event->header.type, stdout);
2442                 perf_event__fprintf(event, stdout);
2443         }
2444
2445         thread__put(thread);
2446         return 0;
2447 }
2448
2449 static void sig_handler(int sig __maybe_unused)
2450 {
2451         session_done = 1;
2452 }
2453
2454 static void perf_script__fclose_per_event_dump(struct perf_script *script)
2455 {
2456         struct evlist *evlist = script->session->evlist;
2457         struct evsel *evsel;
2458
2459         evlist__for_each_entry(evlist, evsel) {
2460                 if (!evsel->priv)
2461                         break;
2462                 perf_evsel_script__delete(evsel->priv);
2463                 evsel->priv = NULL;
2464         }
2465 }
2466
2467 static int perf_script__fopen_per_event_dump(struct perf_script *script)
2468 {
2469         struct evsel *evsel;
2470
2471         evlist__for_each_entry(script->session->evlist, evsel) {
2472                 /*
2473                  * Already setup? I.e. we may be called twice in cases like
2474                  * Intel PT, one for the intel_pt// and dummy events, then
2475                  * for the evsels syntheized from the auxtrace info.
2476                  *
2477                  * Ses perf_script__process_auxtrace_info.
2478                  */
2479                 if (evsel->priv != NULL)
2480                         continue;
2481
2482                 evsel->priv = perf_evsel_script__new(evsel, script->session->data);
2483                 if (evsel->priv == NULL)
2484                         goto out_err_fclose;
2485         }
2486
2487         return 0;
2488
2489 out_err_fclose:
2490         perf_script__fclose_per_event_dump(script);
2491         return -1;
2492 }
2493
2494 static int perf_script__setup_per_event_dump(struct perf_script *script)
2495 {
2496         struct evsel *evsel;
2497         static struct evsel_script es_stdout;
2498
2499         if (script->per_event_dump)
2500                 return perf_script__fopen_per_event_dump(script);
2501
2502         es_stdout.fp = stdout;
2503
2504         evlist__for_each_entry(script->session->evlist, evsel)
2505                 evsel->priv = &es_stdout;
2506
2507         return 0;
2508 }
2509
2510 static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2511 {
2512         struct evsel *evsel;
2513
2514         evlist__for_each_entry(script->session->evlist, evsel) {
2515                 struct evsel_script *es = evsel->priv;
2516
2517                 perf_evsel_script__fprintf(es, stdout);
2518                 perf_evsel_script__delete(es);
2519                 evsel->priv = NULL;
2520         }
2521 }
2522
2523 static int __cmd_script(struct perf_script *script)
2524 {
2525         int ret;
2526
2527         signal(SIGINT, sig_handler);
2528
2529         perf_stat__init_shadow_stats();
2530
2531         /* override event processing functions */
2532         if (script->show_task_events) {
2533                 script->tool.comm = process_comm_event;
2534                 script->tool.fork = process_fork_event;
2535                 script->tool.exit = process_exit_event;
2536         }
2537         if (script->show_mmap_events) {
2538                 script->tool.mmap = process_mmap_event;
2539                 script->tool.mmap2 = process_mmap2_event;
2540         }
2541         if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch))
2542                 script->tool.context_switch = process_switch_event;
2543         if (script->show_namespace_events)
2544                 script->tool.namespaces = process_namespaces_event;
2545         if (script->show_lost_events)
2546                 script->tool.lost = process_lost_event;
2547         if (script->show_round_events) {
2548                 script->tool.ordered_events = false;
2549                 script->tool.finished_round = process_finished_round_event;
2550         }
2551         if (script->show_bpf_events) {
2552                 script->tool.ksymbol = process_bpf_events;
2553                 script->tool.bpf     = process_bpf_events;
2554         }
2555
2556         if (perf_script__setup_per_event_dump(script)) {
2557                 pr_err("Couldn't create the per event dump files\n");
2558                 return -1;
2559         }
2560
2561         ret = perf_session__process_events(script->session);
2562
2563         if (script->per_event_dump)
2564                 perf_script__exit_per_event_dump_stats(script);
2565
2566         if (debug_mode)
2567                 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2568
2569         return ret;
2570 }
2571
2572 struct script_spec {
2573         struct list_head        node;
2574         struct scripting_ops    *ops;
2575         char                    spec[0];
2576 };
2577
2578 static LIST_HEAD(script_specs);
2579
2580 static struct script_spec *script_spec__new(const char *spec,
2581                                             struct scripting_ops *ops)
2582 {
2583         struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2584
2585         if (s != NULL) {
2586                 strcpy(s->spec, spec);
2587                 s->ops = ops;
2588         }
2589
2590         return s;
2591 }
2592
2593 static void script_spec__add(struct script_spec *s)
2594 {
2595         list_add_tail(&s->node, &script_specs);
2596 }
2597
2598 static struct script_spec *script_spec__find(const char *spec)
2599 {
2600         struct script_spec *s;
2601
2602         list_for_each_entry(s, &script_specs, node)
2603                 if (strcasecmp(s->spec, spec) == 0)
2604                         return s;
2605         return NULL;
2606 }
2607
2608 int script_spec_register(const char *spec, struct scripting_ops *ops)
2609 {
2610         struct script_spec *s;
2611
2612         s = script_spec__find(spec);
2613         if (s)
2614                 return -1;
2615
2616         s = script_spec__new(spec, ops);
2617         if (!s)
2618                 return -1;
2619         else
2620                 script_spec__add(s);
2621
2622         return 0;
2623 }
2624
2625 static struct scripting_ops *script_spec__lookup(const char *spec)
2626 {
2627         struct script_spec *s = script_spec__find(spec);
2628         if (!s)
2629                 return NULL;
2630
2631         return s->ops;
2632 }
2633
2634 static void list_available_languages(void)
2635 {
2636         struct script_spec *s;
2637
2638         fprintf(stderr, "\n");
2639         fprintf(stderr, "Scripting language extensions (used in "
2640                 "perf script -s [spec:]script.[spec]):\n\n");
2641
2642         list_for_each_entry(s, &script_specs, node)
2643                 fprintf(stderr, "  %-42s [%s]\n", s->spec, s->ops->name);
2644
2645         fprintf(stderr, "\n");
2646 }
2647
2648 static int parse_scriptname(const struct option *opt __maybe_unused,
2649                             const char *str, int unset __maybe_unused)
2650 {
2651         char spec[PATH_MAX];
2652         const char *script, *ext;
2653         int len;
2654
2655         if (strcmp(str, "lang") == 0) {
2656                 list_available_languages();
2657                 exit(0);
2658         }
2659
2660         script = strchr(str, ':');
2661         if (script) {
2662                 len = script - str;
2663                 if (len >= PATH_MAX) {
2664                         fprintf(stderr, "invalid language specifier");
2665                         return -1;
2666                 }
2667                 strncpy(spec, str, len);
2668                 spec[len] = '\0';
2669                 scripting_ops = script_spec__lookup(spec);
2670                 if (!scripting_ops) {
2671                         fprintf(stderr, "invalid language specifier");
2672                         return -1;
2673                 }
2674                 script++;
2675         } else {
2676                 script = str;
2677                 ext = strrchr(script, '.');
2678                 if (!ext) {
2679                         fprintf(stderr, "invalid script extension");
2680                         return -1;
2681                 }
2682                 scripting_ops = script_spec__lookup(++ext);
2683                 if (!scripting_ops) {
2684                         fprintf(stderr, "invalid script extension");
2685                         return -1;
2686                 }
2687         }
2688
2689         script_name = strdup(script);
2690
2691         return 0;
2692 }
2693
2694 static int parse_output_fields(const struct option *opt __maybe_unused,
2695                             const char *arg, int unset __maybe_unused)
2696 {
2697         char *tok, *strtok_saveptr = NULL;
2698         int i, imax = ARRAY_SIZE(all_output_options);
2699         int j;
2700         int rc = 0;
2701         char *str = strdup(arg);
2702         int type = -1;
2703         enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
2704
2705         if (!str)
2706                 return -ENOMEM;
2707
2708         /* first word can state for which event type the user is specifying
2709          * the fields. If no type exists, the specified fields apply to all
2710          * event types found in the file minus the invalid fields for a type.
2711          */
2712         tok = strchr(str, ':');
2713         if (tok) {
2714                 *tok = '\0';
2715                 tok++;
2716                 if (!strcmp(str, "hw"))
2717                         type = PERF_TYPE_HARDWARE;
2718                 else if (!strcmp(str, "sw"))
2719                         type = PERF_TYPE_SOFTWARE;
2720                 else if (!strcmp(str, "trace"))
2721                         type = PERF_TYPE_TRACEPOINT;
2722                 else if (!strcmp(str, "raw"))
2723                         type = PERF_TYPE_RAW;
2724                 else if (!strcmp(str, "break"))
2725                         type = PERF_TYPE_BREAKPOINT;
2726                 else if (!strcmp(str, "synth"))
2727                         type = OUTPUT_TYPE_SYNTH;
2728                 else {
2729                         fprintf(stderr, "Invalid event type in field string.\n");
2730                         rc = -EINVAL;
2731                         goto out;
2732                 }
2733
2734                 if (output[type].user_set)
2735                         pr_warning("Overriding previous field request for %s events.\n",
2736                                    event_type(type));
2737
2738                 /* Don't override defaults for +- */
2739                 if (strchr(tok, '+') || strchr(tok, '-'))
2740                         goto parse;
2741
2742                 output[type].fields = 0;
2743                 output[type].user_set = true;
2744                 output[type].wildcard_set = false;
2745
2746         } else {
2747                 tok = str;
2748                 if (strlen(str) == 0) {
2749                         fprintf(stderr,
2750                                 "Cannot set fields to 'none' for all event types.\n");
2751                         rc = -EINVAL;
2752                         goto out;
2753                 }
2754
2755                 /* Don't override defaults for +- */
2756                 if (strchr(str, '+') || strchr(str, '-'))
2757                         goto parse;
2758
2759                 if (output_set_by_user())
2760                         pr_warning("Overriding previous field request for all events.\n");
2761
2762                 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2763                         output[j].fields = 0;
2764                         output[j].user_set = true;
2765                         output[j].wildcard_set = true;
2766                 }
2767         }
2768
2769 parse:
2770         for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
2771                 if (*tok == '+') {
2772                         if (change == SET)
2773                                 goto out_badmix;
2774                         change = ADD;
2775                         tok++;
2776                 } else if (*tok == '-') {
2777                         if (change == SET)
2778                                 goto out_badmix;
2779                         change = REMOVE;
2780                         tok++;
2781                 } else {
2782                         if (change != SET && change != DEFAULT)
2783                                 goto out_badmix;
2784                         change = SET;
2785                 }
2786
2787                 for (i = 0; i < imax; ++i) {
2788                         if (strcmp(tok, all_output_options[i].str) == 0)
2789                                 break;
2790                 }
2791                 if (i == imax && strcmp(tok, "flags") == 0) {
2792                         print_flags = change == REMOVE ? false : true;
2793                         continue;
2794                 }
2795                 if (i == imax) {
2796                         fprintf(stderr, "Invalid field requested.\n");
2797                         rc = -EINVAL;
2798                         goto out;
2799                 }
2800
2801                 if (type == -1) {
2802                         /* add user option to all events types for
2803                          * which it is valid
2804                          */
2805                         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2806                                 if (output[j].invalid_fields & all_output_options[i].field) {
2807                                         pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
2808                                                    all_output_options[i].str, event_type(j));
2809                                 } else {
2810                                         if (change == REMOVE) {
2811                                                 output[j].fields &= ~all_output_options[i].field;
2812                                                 output[j].user_set_fields &= ~all_output_options[i].field;
2813                                         } else {
2814                                                 output[j].fields |= all_output_options[i].field;
2815                                                 output[j].user_set_fields |= all_output_options[i].field;
2816                                         }
2817                                         output[j].user_set = true;
2818                                         output[j].wildcard_set = true;
2819                                 }
2820                         }
2821                 } else {
2822                         if (output[type].invalid_fields & all_output_options[i].field) {
2823                                 fprintf(stderr, "\'%s\' not valid for %s events.\n",
2824                                          all_output_options[i].str, event_type(type));
2825
2826                                 rc = -EINVAL;
2827                                 goto out;
2828                         }
2829                         if (change == REMOVE)
2830                                 output[type].fields &= ~all_output_options[i].field;
2831                         else
2832                                 output[type].fields |= all_output_options[i].field;
2833                         output[type].user_set = true;
2834                         output[type].wildcard_set = true;
2835                 }
2836         }
2837
2838         if (type >= 0) {
2839                 if (output[type].fields == 0) {
2840                         pr_debug("No fields requested for %s type. "
2841                                  "Events will not be displayed.\n", event_type(type));
2842                 }
2843         }
2844         goto out;
2845
2846 out_badmix:
2847         fprintf(stderr, "Cannot mix +-field with overridden fields\n");
2848         rc = -EINVAL;
2849 out:
2850         free(str);
2851         return rc;
2852 }
2853
2854 #define for_each_lang(scripts_path, scripts_dir, lang_dirent)           \
2855         while ((lang_dirent = readdir(scripts_dir)) != NULL)            \
2856                 if ((lang_dirent->d_type == DT_DIR ||                   \
2857                      (lang_dirent->d_type == DT_UNKNOWN &&              \
2858                       is_directory(scripts_path, lang_dirent))) &&      \
2859                     (strcmp(lang_dirent->d_name, ".")) &&               \
2860                     (strcmp(lang_dirent->d_name, "..")))
2861
2862 #define for_each_script(lang_path, lang_dir, script_dirent)             \
2863         while ((script_dirent = readdir(lang_dir)) != NULL)             \
2864                 if (script_dirent->d_type != DT_DIR &&                  \
2865                     (script_dirent->d_type != DT_UNKNOWN ||             \
2866                      !is_directory(lang_path, script_dirent)))
2867
2868
2869 #define RECORD_SUFFIX                   "-record"
2870 #define REPORT_SUFFIX                   "-report"
2871
2872 struct script_desc {
2873         struct list_head        node;
2874         char                    *name;
2875         char                    *half_liner;
2876         char                    *args;
2877 };
2878
2879 static LIST_HEAD(script_descs);
2880
2881 static struct script_desc *script_desc__new(const char *name)
2882 {
2883         struct script_desc *s = zalloc(sizeof(*s));
2884
2885         if (s != NULL && name)
2886                 s->name = strdup(name);
2887
2888         return s;
2889 }
2890
2891 static void script_desc__delete(struct script_desc *s)
2892 {
2893         zfree(&s->name);
2894         zfree(&s->half_liner);
2895         zfree(&s->args);
2896         free(s);
2897 }
2898
2899 static void script_desc__add(struct script_desc *s)
2900 {
2901         list_add_tail(&s->node, &script_descs);
2902 }
2903
2904 static struct script_desc *script_desc__find(const char *name)
2905 {
2906         struct script_desc *s;
2907
2908         list_for_each_entry(s, &script_descs, node)
2909                 if (strcasecmp(s->name, name) == 0)
2910                         return s;
2911         return NULL;
2912 }
2913
2914 static struct script_desc *script_desc__findnew(const char *name)
2915 {
2916         struct script_desc *s = script_desc__find(name);
2917
2918         if (s)
2919                 return s;
2920
2921         s = script_desc__new(name);
2922         if (!s)
2923                 return NULL;
2924
2925         script_desc__add(s);
2926
2927         return s;
2928 }
2929
2930 static const char *ends_with(const char *str, const char *suffix)
2931 {
2932         size_t suffix_len = strlen(suffix);
2933         const char *p = str;
2934
2935         if (strlen(str) > suffix_len) {
2936                 p = str + strlen(str) - suffix_len;
2937                 if (!strncmp(p, suffix, suffix_len))
2938                         return p;
2939         }
2940
2941         return NULL;
2942 }
2943
2944 static int read_script_info(struct script_desc *desc, const char *filename)
2945 {
2946         char line[BUFSIZ], *p;
2947         FILE *fp;
2948
2949         fp = fopen(filename, "r");
2950         if (!fp)
2951                 return -1;
2952
2953         while (fgets(line, sizeof(line), fp)) {
2954                 p = skip_spaces(line);
2955                 if (strlen(p) == 0)
2956                         continue;
2957                 if (*p != '#')
2958                         continue;
2959                 p++;
2960                 if (strlen(p) && *p == '!')
2961                         continue;
2962
2963                 p = skip_spaces(p);
2964                 if (strlen(p) && p[strlen(p) - 1] == '\n')
2965                         p[strlen(p) - 1] = '\0';
2966
2967                 if (!strncmp(p, "description:", strlen("description:"))) {
2968                         p += strlen("description:");
2969                         desc->half_liner = strdup(skip_spaces(p));
2970                         continue;
2971                 }
2972
2973                 if (!strncmp(p, "args:", strlen("args:"))) {
2974                         p += strlen("args:");
2975                         desc->args = strdup(skip_spaces(p));
2976                         continue;
2977                 }
2978         }
2979
2980         fclose(fp);
2981
2982         return 0;
2983 }
2984
2985 static char *get_script_root(struct dirent *script_dirent, const char *suffix)
2986 {
2987         char *script_root, *str;
2988
2989         script_root = strdup(script_dirent->d_name);
2990         if (!script_root)
2991                 return NULL;
2992
2993         str = (char *)ends_with(script_root, suffix);
2994         if (!str) {
2995                 free(script_root);
2996                 return NULL;
2997         }
2998
2999         *str = '\0';
3000         return script_root;
3001 }
3002
3003 static int list_available_scripts(const struct option *opt __maybe_unused,
3004                                   const char *s __maybe_unused,
3005                                   int unset __maybe_unused)
3006 {
3007         struct dirent *script_dirent, *lang_dirent;
3008         char scripts_path[MAXPATHLEN];
3009         DIR *scripts_dir, *lang_dir;
3010         char script_path[MAXPATHLEN];
3011         char lang_path[MAXPATHLEN];
3012         struct script_desc *desc;
3013         char first_half[BUFSIZ];
3014         char *script_root;
3015
3016         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3017
3018         scripts_dir = opendir(scripts_path);
3019         if (!scripts_dir) {
3020                 fprintf(stdout,
3021                         "open(%s) failed.\n"
3022                         "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
3023                         scripts_path);
3024                 exit(-1);
3025         }
3026
3027         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3028                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3029                           lang_dirent->d_name);
3030                 lang_dir = opendir(lang_path);
3031                 if (!lang_dir)
3032                         continue;
3033
3034                 for_each_script(lang_path, lang_dir, script_dirent) {
3035                         script_root = get_script_root(script_dirent, REPORT_SUFFIX);
3036                         if (script_root) {
3037                                 desc = script_desc__findnew(script_root);
3038                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3039                                           lang_path, script_dirent->d_name);
3040                                 read_script_info(desc, script_path);
3041                                 free(script_root);
3042                         }
3043                 }
3044         }
3045
3046         fprintf(stdout, "List of available trace scripts:\n");
3047         list_for_each_entry(desc, &script_descs, node) {
3048                 sprintf(first_half, "%s %s", desc->name,
3049                         desc->args ? desc->args : "");
3050                 fprintf(stdout, "  %-36s %s\n", first_half,
3051                         desc->half_liner ? desc->half_liner : "");
3052         }
3053
3054         exit(0);
3055 }
3056
3057 /*
3058  * Some scripts specify the required events in their "xxx-record" file,
3059  * this function will check if the events in perf.data match those
3060  * mentioned in the "xxx-record".
3061  *
3062  * Fixme: All existing "xxx-record" are all in good formats "-e event ",
3063  * which is covered well now. And new parsing code should be added to
3064  * cover the future complexing formats like event groups etc.
3065  */
3066 static int check_ev_match(char *dir_name, char *scriptname,
3067                         struct perf_session *session)
3068 {
3069         char filename[MAXPATHLEN], evname[128];
3070         char line[BUFSIZ], *p;
3071         struct evsel *pos;
3072         int match, len;
3073         FILE *fp;
3074
3075         scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
3076
3077         fp = fopen(filename, "r");
3078         if (!fp)
3079                 return -1;
3080
3081         while (fgets(line, sizeof(line), fp)) {
3082                 p = skip_spaces(line);
3083                 if (*p == '#')
3084                         continue;
3085
3086                 while (strlen(p)) {
3087                         p = strstr(p, "-e");
3088                         if (!p)
3089                                 break;
3090
3091                         p += 2;
3092                         p = skip_spaces(p);
3093                         len = strcspn(p, " \t");
3094                         if (!len)
3095                                 break;
3096
3097                         snprintf(evname, len + 1, "%s", p);
3098
3099                         match = 0;
3100                         evlist__for_each_entry(session->evlist, pos) {
3101                                 if (!strcmp(perf_evsel__name(pos), evname)) {
3102                                         match = 1;
3103                                         break;
3104                                 }
3105                         }
3106
3107                         if (!match) {
3108                                 fclose(fp);
3109                                 return -1;
3110                         }
3111                 }
3112         }
3113
3114         fclose(fp);
3115         return 0;
3116 }
3117
3118 /*
3119  * Return -1 if none is found, otherwise the actual scripts number.
3120  *
3121  * Currently the only user of this function is the script browser, which
3122  * will list all statically runnable scripts, select one, execute it and
3123  * show the output in a perf browser.
3124  */
3125 int find_scripts(char **scripts_array, char **scripts_path_array, int num,
3126                  int pathlen)
3127 {
3128         struct dirent *script_dirent, *lang_dirent;
3129         char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
3130         DIR *scripts_dir, *lang_dir;
3131         struct perf_session *session;
3132         struct perf_data data = {
3133                 .path = input_name,
3134                 .mode = PERF_DATA_MODE_READ,
3135         };
3136         char *temp;
3137         int i = 0;
3138
3139         session = perf_session__new(&data, false, NULL);
3140         if (IS_ERR(session))
3141                 return PTR_ERR(session);
3142
3143         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3144
3145         scripts_dir = opendir(scripts_path);
3146         if (!scripts_dir) {
3147                 perf_session__delete(session);
3148                 return -1;
3149         }
3150
3151         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3152                 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
3153                           lang_dirent->d_name);
3154 #ifndef HAVE_LIBPERL_SUPPORT
3155                 if (strstr(lang_path, "perl"))
3156                         continue;
3157 #endif
3158 #ifndef HAVE_LIBPYTHON_SUPPORT
3159                 if (strstr(lang_path, "python"))
3160                         continue;
3161 #endif
3162
3163                 lang_dir = opendir(lang_path);
3164                 if (!lang_dir)
3165                         continue;
3166
3167                 for_each_script(lang_path, lang_dir, script_dirent) {
3168                         /* Skip those real time scripts: xxxtop.p[yl] */
3169                         if (strstr(script_dirent->d_name, "top."))
3170                                 continue;
3171                         if (i >= num)
3172                                 break;
3173                         snprintf(scripts_path_array[i], pathlen, "%s/%s",
3174                                 lang_path,
3175                                 script_dirent->d_name);
3176                         temp = strchr(script_dirent->d_name, '.');
3177                         snprintf(scripts_array[i],
3178                                 (temp - script_dirent->d_name) + 1,
3179                                 "%s", script_dirent->d_name);
3180
3181                         if (check_ev_match(lang_path,
3182                                         scripts_array[i], session))
3183                                 continue;
3184
3185                         i++;
3186                 }
3187                 closedir(lang_dir);
3188         }
3189
3190         closedir(scripts_dir);
3191         perf_session__delete(session);
3192         return i;
3193 }
3194
3195 static char *get_script_path(const char *script_root, const char *suffix)
3196 {
3197         struct dirent *script_dirent, *lang_dirent;
3198         char scripts_path[MAXPATHLEN];
3199         char script_path[MAXPATHLEN];
3200         DIR *scripts_dir, *lang_dir;
3201         char lang_path[MAXPATHLEN];
3202         char *__script_root;
3203
3204         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3205
3206         scripts_dir = opendir(scripts_path);
3207         if (!scripts_dir)
3208                 return NULL;
3209
3210         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3211                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3212                           lang_dirent->d_name);
3213                 lang_dir = opendir(lang_path);
3214                 if (!lang_dir)
3215                         continue;
3216
3217                 for_each_script(lang_path, lang_dir, script_dirent) {
3218                         __script_root = get_script_root(script_dirent, suffix);
3219                         if (__script_root && !strcmp(script_root, __script_root)) {
3220                                 free(__script_root);
3221                                 closedir(lang_dir);
3222                                 closedir(scripts_dir);
3223                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3224                                           lang_path, script_dirent->d_name);
3225                                 return strdup(script_path);
3226                         }
3227                         free(__script_root);
3228                 }
3229                 closedir(lang_dir);
3230         }
3231         closedir(scripts_dir);
3232
3233         return NULL;
3234 }
3235
3236 static bool is_top_script(const char *script_path)
3237 {
3238         return ends_with(script_path, "top") == NULL ? false : true;
3239 }
3240
3241 static int has_required_arg(char *script_path)
3242 {
3243         struct script_desc *desc;
3244         int n_args = 0;
3245         char *p;
3246
3247         desc = script_desc__new(NULL);
3248
3249         if (read_script_info(desc, script_path))
3250                 goto out;
3251
3252         if (!desc->args)
3253                 goto out;
3254
3255         for (p = desc->args; *p; p++)
3256                 if (*p == '<')
3257                         n_args++;
3258 out:
3259         script_desc__delete(desc);
3260
3261         return n_args;
3262 }
3263
3264 static int have_cmd(int argc, const char **argv)
3265 {
3266         char **__argv = malloc(sizeof(const char *) * argc);
3267
3268         if (!__argv) {
3269                 pr_err("malloc failed\n");
3270                 return -1;
3271         }
3272
3273         memcpy(__argv, argv, sizeof(const char *) * argc);
3274         argc = parse_options(argc, (const char **)__argv, record_options,
3275                              NULL, PARSE_OPT_STOP_AT_NON_OPTION);
3276         free(__argv);
3277
3278         system_wide = (argc == 0);
3279
3280         return 0;
3281 }
3282
3283 static void script__setup_sample_type(struct perf_script *script)
3284 {
3285         struct perf_session *session = script->session;
3286         u64 sample_type = perf_evlist__combined_sample_type(session->evlist);
3287
3288         if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
3289                 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
3290                     (sample_type & PERF_SAMPLE_STACK_USER)) {
3291                         callchain_param.record_mode = CALLCHAIN_DWARF;
3292                         dwarf_callchain_users = true;
3293                 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
3294                         callchain_param.record_mode = CALLCHAIN_LBR;
3295                 else
3296                         callchain_param.record_mode = CALLCHAIN_FP;
3297         }
3298 }
3299
3300 static int process_stat_round_event(struct perf_session *session,
3301                                     union perf_event *event)
3302 {
3303         struct perf_record_stat_round *round = &event->stat_round;
3304         struct evsel *counter;
3305
3306         evlist__for_each_entry(session->evlist, counter) {
3307                 perf_stat_process_counter(&stat_config, counter);
3308                 process_stat(counter, round->time);
3309         }
3310
3311         process_stat_interval(round->time);
3312         return 0;
3313 }
3314
3315 static int process_stat_config_event(struct perf_session *session __maybe_unused,
3316                                      union perf_event *event)
3317 {
3318         perf_event__read_stat_config(&stat_config, &event->stat_config);
3319         return 0;
3320 }
3321
3322 static int set_maps(struct perf_script *script)
3323 {
3324         struct evlist *evlist = script->session->evlist;
3325
3326         if (!script->cpus || !script->threads)
3327                 return 0;
3328
3329         if (WARN_ONCE(script->allocated, "stats double allocation\n"))
3330                 return -EINVAL;
3331
3332         perf_evlist__set_maps(&evlist->core, script->cpus, script->threads);
3333
3334         if (perf_evlist__alloc_stats(evlist, true))
3335                 return -ENOMEM;
3336
3337         script->allocated = true;
3338         return 0;
3339 }
3340
3341 static
3342 int process_thread_map_event(struct perf_session *session,
3343                              union perf_event *event)
3344 {
3345         struct perf_tool *tool = session->tool;
3346         struct perf_script *script = container_of(tool, struct perf_script, tool);
3347
3348         if (script->threads) {
3349                 pr_warning("Extra thread map event, ignoring.\n");
3350                 return 0;
3351         }
3352
3353         script->threads = thread_map__new_event(&event->thread_map);
3354         if (!script->threads)
3355                 return -ENOMEM;
3356
3357         return set_maps(script);
3358 }
3359
3360 static
3361 int process_cpu_map_event(struct perf_session *session,
3362                           union perf_event *event)
3363 {
3364         struct perf_tool *tool = session->tool;
3365         struct perf_script *script = container_of(tool, struct perf_script, tool);
3366
3367         if (script->cpus) {
3368                 pr_warning("Extra cpu map event, ignoring.\n");
3369                 return 0;
3370         }
3371
3372         script->cpus = cpu_map__new_data(&event->cpu_map.data);
3373         if (!script->cpus)
3374                 return -ENOMEM;
3375
3376         return set_maps(script);
3377 }
3378
3379 static int process_feature_event(struct perf_session *session,
3380                                  union perf_event *event)
3381 {
3382         if (event->feat.feat_id < HEADER_LAST_FEATURE)
3383                 return perf_event__process_feature(session, event);
3384         return 0;
3385 }
3386
3387 #ifdef HAVE_AUXTRACE_SUPPORT
3388 static int perf_script__process_auxtrace_info(struct perf_session *session,
3389                                               union perf_event *event)
3390 {
3391         struct perf_tool *tool = session->tool;
3392
3393         int ret = perf_event__process_auxtrace_info(session, event);
3394
3395         if (ret == 0) {
3396                 struct perf_script *script = container_of(tool, struct perf_script, tool);
3397
3398                 ret = perf_script__setup_per_event_dump(script);
3399         }
3400
3401         return ret;
3402 }
3403 #else
3404 #define perf_script__process_auxtrace_info 0
3405 #endif
3406
3407 static int parse_insn_trace(const struct option *opt __maybe_unused,
3408                             const char *str __maybe_unused,
3409                             int unset __maybe_unused)
3410 {
3411         parse_output_fields(NULL, "+insn,-event,-period", 0);
3412         itrace_parse_synth_opts(opt, "i0ns", 0);
3413         symbol_conf.nanosecs = true;
3414         return 0;
3415 }
3416
3417 static int parse_xed(const struct option *opt __maybe_unused,
3418                      const char *str __maybe_unused,
3419                      int unset __maybe_unused)
3420 {
3421         force_pager("xed -F insn: -A -64 | less");
3422         return 0;
3423 }
3424
3425 static int parse_call_trace(const struct option *opt __maybe_unused,
3426                             const char *str __maybe_unused,
3427                             int unset __maybe_unused)
3428 {
3429         parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
3430         itrace_parse_synth_opts(opt, "cewp", 0);
3431         symbol_conf.nanosecs = true;
3432         symbol_conf.pad_output_len_dso = 50;
3433         return 0;
3434 }
3435
3436 static int parse_callret_trace(const struct option *opt __maybe_unused,
3437                             const char *str __maybe_unused,
3438                             int unset __maybe_unused)
3439 {
3440         parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
3441         itrace_parse_synth_opts(opt, "crewp", 0);
3442         symbol_conf.nanosecs = true;
3443         return 0;
3444 }
3445
3446 int cmd_script(int argc, const char **argv)
3447 {
3448         bool show_full_info = false;
3449         bool header = false;
3450         bool header_only = false;
3451         bool script_started = false;
3452         char *rec_script_path = NULL;
3453         char *rep_script_path = NULL;
3454         struct perf_session *session;
3455         struct itrace_synth_opts itrace_synth_opts = {
3456                 .set = false,
3457                 .default_no_sample = true,
3458         };
3459         struct utsname uts;
3460         char *script_path = NULL;
3461         const char **__argv;
3462         int i, j, err = 0;
3463         struct perf_script script = {
3464                 .tool = {
3465                         .sample          = process_sample_event,
3466                         .mmap            = perf_event__process_mmap,
3467                         .mmap2           = perf_event__process_mmap2,
3468                         .comm            = perf_event__process_comm,
3469                         .namespaces      = perf_event__process_namespaces,
3470                         .exit            = perf_event__process_exit,
3471                         .fork            = perf_event__process_fork,
3472                         .attr            = process_attr,
3473                         .event_update   = perf_event__process_event_update,
3474                         .tracing_data    = perf_event__process_tracing_data,
3475                         .feature         = process_feature_event,
3476                         .build_id        = perf_event__process_build_id,
3477                         .id_index        = perf_event__process_id_index,
3478                         .auxtrace_info   = perf_script__process_auxtrace_info,
3479                         .auxtrace        = perf_event__process_auxtrace,
3480                         .auxtrace_error  = perf_event__process_auxtrace_error,
3481                         .stat            = perf_event__process_stat_event,
3482                         .stat_round      = process_stat_round_event,
3483                         .stat_config     = process_stat_config_event,
3484                         .thread_map      = process_thread_map_event,
3485                         .cpu_map         = process_cpu_map_event,
3486                         .ordered_events  = true,
3487                         .ordering_requires_timestamps = true,
3488                 },
3489         };
3490         struct perf_data data = {
3491                 .mode = PERF_DATA_MODE_READ,
3492         };
3493         const struct option options[] = {
3494         OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3495                     "dump raw trace in ASCII"),
3496         OPT_INCR('v', "verbose", &verbose,
3497                  "be more verbose (show symbol address, etc)"),
3498         OPT_BOOLEAN('L', "Latency", &latency_format,
3499                     "show latency attributes (irqs/preemption disabled, etc)"),
3500         OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3501                            list_available_scripts),
3502         OPT_CALLBACK('s', "script", NULL, "name",
3503                      "script file name (lang:script name, script name, or *)",
3504                      parse_scriptname),
3505         OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3506                    "generate perf-script.xx script in specified language"),
3507         OPT_STRING('i', "input", &input_name, "file", "input file name"),
3508         OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3509                    "do various checks like samples ordering and lost events"),
3510         OPT_BOOLEAN(0, "header", &header, "Show data header."),
3511         OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3512         OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3513                    "file", "vmlinux pathname"),
3514         OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3515                    "file", "kallsyms pathname"),
3516         OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3517                     "When printing symbols do not display call chain"),
3518         OPT_CALLBACK(0, "symfs", NULL, "directory",
3519                      "Look for files with symbols relative to this directory",
3520                      symbol__config_symfs),
3521         OPT_CALLBACK('F', "fields", NULL, "str",
3522                      "comma separated output fields prepend with 'type:'. "
3523                      "+field to add and -field to remove."
3524                      "Valid types: hw,sw,trace,raw,synth. "
3525                      "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
3526                      "addr,symoff,srcline,period,iregs,uregs,brstack,"
3527                      "brstacksym,flags,bpf-output,brstackinsn,brstackoff,"
3528                      "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc",
3529                      parse_output_fields),
3530         OPT_BOOLEAN('a', "all-cpus", &system_wide,
3531                     "system-wide collection from all CPUs"),
3532         OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3533                    "only consider these symbols"),
3534         OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL,
3535                         "Decode instructions from itrace", parse_insn_trace),
3536         OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
3537                         "Run xed disassembler on output", parse_xed),
3538         OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
3539                         "Decode calls from from itrace", parse_call_trace),
3540         OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
3541                         "Decode calls and returns from itrace", parse_callret_trace),
3542         OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",
3543                         "Only print symbols and callees with --call-trace/--call-ret-trace"),
3544         OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3545                    "Stop display of callgraph at these symbols"),
3546         OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3547         OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3548                    "only display events for these comms"),
3549         OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3550                    "only consider symbols in these pids"),
3551         OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3552                    "only consider symbols in these tids"),
3553         OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3554                      "Set the maximum stack depth when parsing the callchain, "
3555                      "anything beyond the specified depth will be ignored. "
3556                      "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3557         OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"),
3558         OPT_BOOLEAN('I', "show-info", &show_full_info,
3559                     "display extended information from perf.data file"),
3560         OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3561                     "Show the path of [kernel.kallsyms]"),
3562         OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3563                     "Show the fork/comm/exit events"),
3564         OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3565                     "Show the mmap events"),
3566         OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3567                     "Show context switch events (if recorded)"),
3568         OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3569                     "Show namespace events (if recorded)"),
3570         OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3571                     "Show lost events (if recorded)"),
3572         OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3573                     "Show round events (if recorded)"),
3574         OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events,
3575                     "Show bpf related events (if recorded)"),
3576         OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
3577                     "Dump trace output to files named by the monitored events"),
3578         OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3579         OPT_INTEGER(0, "max-blocks", &max_blocks,
3580                     "Maximum number of code blocks to dump with brstackinsn"),
3581         OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs,
3582                     "Use 9 decimal places when displaying time"),
3583         OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
3584                             "Instruction Tracing options\n" ITRACE_HELP,
3585                             itrace_parse_synth_opts),
3586         OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
3587                         "Show full source file name path for source lines"),
3588         OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
3589                         "Enable symbol demangling"),
3590         OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
3591                         "Enable kernel symbol demangling"),
3592         OPT_STRING(0, "time", &script.time_str, "str",
3593                    "Time span of interest (start,stop)"),
3594         OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
3595                     "Show inline function"),
3596         OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
3597                    "guest mount directory under which every guest os"
3598                    " instance has a subdir"),
3599         OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name,
3600                    "file", "file saving guest os vmlinux"),
3601         OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms,
3602                    "file", "file saving guest os /proc/kallsyms"),
3603         OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
3604                    "file", "file saving guest os /proc/modules"),
3605         OPTS_EVSWITCH(&script.evswitch),
3606         OPT_END()
3607         };
3608         const char * const script_subcommands[] = { "record", "report", NULL };
3609         const char *script_usage[] = {
3610                 "perf script [<options>]",
3611                 "perf script [<options>] record <script> [<record-options>] <command>",
3612                 "perf script [<options>] report <script> [script-args]",
3613                 "perf script [<options>] <script> [<record-options>] <command>",
3614                 "perf script [<options>] <top-script> [script-args]",
3615                 NULL
3616         };
3617
3618         perf_set_singlethreaded();
3619
3620         setup_scripting();
3621
3622         argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3623                              PARSE_OPT_STOP_AT_NON_OPTION);
3624
3625         if (symbol_conf.guestmount ||
3626             symbol_conf.default_guest_vmlinux_name ||
3627             symbol_conf.default_guest_kallsyms ||
3628             symbol_conf.default_guest_modules) {
3629                 /*
3630                  * Enable guest sample processing.
3631                  */
3632                 perf_guest = true;
3633         }
3634
3635         data.path  = input_name;
3636         data.force = symbol_conf.force;
3637
3638         if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
3639                 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
3640                 if (!rec_script_path)
3641                         return cmd_record(argc, argv);
3642         }
3643
3644         if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
3645                 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
3646                 if (!rep_script_path) {
3647                         fprintf(stderr,
3648                                 "Please specify a valid report script"
3649                                 "(see 'perf script -l' for listing)\n");
3650                         return -1;
3651                 }
3652         }
3653
3654         if (itrace_synth_opts.callchain &&
3655             itrace_synth_opts.callchain_sz > scripting_max_stack)
3656                 scripting_max_stack = itrace_synth_opts.callchain_sz;
3657
3658         /* make sure PERF_EXEC_PATH is set for scripts */
3659         set_argv_exec_path(get_argv_exec_path());
3660
3661         if (argc && !script_name && !rec_script_path && !rep_script_path) {
3662                 int live_pipe[2];
3663                 int rep_args;
3664                 pid_t pid;
3665
3666                 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
3667                 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
3668
3669                 if (!rec_script_path && !rep_script_path) {
3670                         usage_with_options_msg(script_usage, options,
3671                                 "Couldn't find script `%s'\n\n See perf"
3672                                 " script -l for available scripts.\n", argv[0]);
3673                 }
3674
3675                 if (is_top_script(argv[0])) {
3676                         rep_args = argc - 1;
3677                 } else {
3678                         int rec_args;
3679
3680                         rep_args = has_required_arg(rep_script_path);
3681                         rec_args = (argc - 1) - rep_args;
3682                         if (rec_args < 0) {
3683                                 usage_with_options_msg(script_usage, options,
3684                                         "`%s' script requires options."
3685                                         "\n\n See perf script -l for available "
3686                                         "scripts and options.\n", argv[0]);
3687                         }
3688                 }
3689
3690                 if (pipe(live_pipe) < 0) {
3691                         perror("failed to create pipe");
3692                         return -1;
3693                 }
3694
3695                 pid = fork();
3696                 if (pid < 0) {
3697                         perror("failed to fork");
3698                         return -1;
3699                 }
3700
3701                 if (!pid) {
3702                         j = 0;
3703
3704                         dup2(live_pipe[1], 1);
3705                         close(live_pipe[0]);
3706
3707                         if (is_top_script(argv[0])) {
3708                                 system_wide = true;
3709                         } else if (!system_wide) {
3710                                 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
3711                                         err = -1;
3712                                         goto out;
3713                                 }
3714                         }
3715
3716                         __argv = malloc((argc + 6) * sizeof(const char *));
3717                         if (!__argv) {
3718                                 pr_err("malloc failed\n");
3719                                 err = -ENOMEM;
3720                                 goto out;
3721                         }
3722
3723                         __argv[j++] = "/bin/sh";
3724                         __argv[j++] = rec_script_path;
3725                         if (system_wide)
3726                                 __argv[j++] = "-a";
3727                         __argv[j++] = "-q";
3728                         __argv[j++] = "-o";
3729                         __argv[j++] = "-";
3730                         for (i = rep_args + 1; i < argc; i++)
3731                                 __argv[j++] = argv[i];
3732                         __argv[j++] = NULL;
3733
3734                         execvp("/bin/sh", (char **)__argv);
3735                         free(__argv);
3736                         exit(-1);
3737                 }
3738
3739                 dup2(live_pipe[0], 0);
3740                 close(live_pipe[1]);
3741
3742                 __argv = malloc((argc + 4) * sizeof(const char *));
3743                 if (!__argv) {
3744                         pr_err("malloc failed\n");
3745                         err = -ENOMEM;
3746                         goto out;
3747                 }
3748
3749                 j = 0;
3750                 __argv[j++] = "/bin/sh";
3751                 __argv[j++] = rep_script_path;
3752                 for (i = 1; i < rep_args + 1; i++)
3753                         __argv[j++] = argv[i];
3754                 __argv[j++] = "-i";
3755                 __argv[j++] = "-";
3756                 __argv[j++] = NULL;
3757
3758                 execvp("/bin/sh", (char **)__argv);
3759                 free(__argv);
3760                 exit(-1);
3761         }
3762
3763         if (rec_script_path)
3764                 script_path = rec_script_path;
3765         if (rep_script_path)
3766                 script_path = rep_script_path;
3767
3768         if (script_path) {
3769                 j = 0;
3770
3771                 if (!rec_script_path)
3772                         system_wide = false;
3773                 else if (!system_wide) {
3774                         if (have_cmd(argc - 1, &argv[1]) != 0) {
3775                                 err = -1;
3776                                 goto out;
3777                         }
3778                 }
3779
3780                 __argv = malloc((argc + 2) * sizeof(const char *));
3781                 if (!__argv) {
3782                         pr_err("malloc failed\n");
3783                         err = -ENOMEM;
3784                         goto out;
3785                 }
3786
3787                 __argv[j++] = "/bin/sh";
3788                 __argv[j++] = script_path;
3789                 if (system_wide)
3790                         __argv[j++] = "-a";
3791                 for (i = 2; i < argc; i++)
3792                         __argv[j++] = argv[i];
3793                 __argv[j++] = NULL;
3794
3795                 execvp("/bin/sh", (char **)__argv);
3796                 free(__argv);
3797                 exit(-1);
3798         }
3799
3800         if (!script_name) {
3801                 setup_pager();
3802                 use_browser = 0;
3803         }
3804
3805         session = perf_session__new(&data, false, &script.tool);
3806         if (IS_ERR(session))
3807                 return PTR_ERR(session);
3808
3809         if (header || header_only) {
3810                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
3811                 perf_session__fprintf_info(session, stdout, show_full_info);
3812                 if (header_only)
3813                         goto out_delete;
3814         }
3815         if (show_full_info)
3816                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
3817
3818         if (symbol__init(&session->header.env) < 0)
3819                 goto out_delete;
3820
3821         uname(&uts);
3822         if (data.is_pipe ||  /* assume pipe_mode indicates native_arch */
3823             !strcmp(uts.machine, session->header.env.arch) ||
3824             (!strcmp(uts.machine, "x86_64") &&
3825              !strcmp(session->header.env.arch, "i386")))
3826                 native_arch = true;
3827
3828         script.session = session;
3829         script__setup_sample_type(&script);
3830
3831         if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) ||
3832             symbol_conf.graph_function)
3833                 itrace_synth_opts.thread_stack = true;
3834
3835         session->itrace_synth_opts = &itrace_synth_opts;
3836
3837         if (cpu_list) {
3838                 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
3839                 if (err < 0)
3840                         goto out_delete;
3841                 itrace_synth_opts.cpu_bitmap = cpu_bitmap;
3842         }
3843
3844         if (!no_callchain)
3845                 symbol_conf.use_callchain = true;
3846         else
3847                 symbol_conf.use_callchain = false;
3848
3849         if (session->tevent.pevent &&
3850             tep_set_function_resolver(session->tevent.pevent,
3851                                       machine__resolve_kernel_addr,
3852                                       &session->machines.host) < 0) {
3853                 pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
3854                 err = -1;
3855                 goto out_delete;
3856         }
3857
3858         if (generate_script_lang) {
3859                 struct stat perf_stat;
3860                 int input;
3861
3862                 if (output_set_by_user()) {
3863                         fprintf(stderr,
3864                                 "custom fields not supported for generated scripts");
3865                         err = -EINVAL;
3866                         goto out_delete;
3867                 }
3868
3869                 input = open(data.path, O_RDONLY);      /* input_name */
3870                 if (input < 0) {
3871                         err = -errno;
3872                         perror("failed to open file");
3873                         goto out_delete;
3874                 }
3875
3876                 err = fstat(input, &perf_stat);
3877                 if (err < 0) {
3878                         perror("failed to stat file");
3879                         goto out_delete;
3880                 }
3881
3882                 if (!perf_stat.st_size) {
3883                         fprintf(stderr, "zero-sized file, nothing to do!\n");
3884                         goto out_delete;
3885                 }
3886
3887                 scripting_ops = script_spec__lookup(generate_script_lang);
3888                 if (!scripting_ops) {
3889                         fprintf(stderr, "invalid language specifier");
3890                         err = -ENOENT;
3891                         goto out_delete;
3892                 }
3893
3894                 err = scripting_ops->generate_script(session->tevent.pevent,
3895                                                      "perf-script");
3896                 goto out_delete;
3897         }
3898
3899         if (script_name) {
3900                 err = scripting_ops->start_script(script_name, argc, argv);
3901                 if (err)
3902                         goto out_delete;
3903                 pr_debug("perf script started with script %s\n\n", script_name);
3904                 script_started = true;
3905         }
3906
3907
3908         err = perf_session__check_output_opt(session);
3909         if (err < 0)
3910                 goto out_delete;
3911
3912         if (script.time_str) {
3913                 err = perf_time__parse_for_ranges_reltime(script.time_str, session,
3914                                                   &script.ptime_range,
3915                                                   &script.range_size,
3916                                                   &script.range_num,
3917                                                   reltime);
3918                 if (err < 0)
3919                         goto out_delete;
3920
3921                 itrace_synth_opts__set_time_range(&itrace_synth_opts,
3922                                                   script.ptime_range,
3923                                                   script.range_num);
3924         }
3925
3926         err = evswitch__init(&script.evswitch, session->evlist, stderr);
3927         if (err)
3928                 goto out_delete;
3929
3930         err = __cmd_script(&script);
3931
3932         flush_scripting();
3933
3934 out_delete:
3935         if (script.ptime_range) {
3936                 itrace_synth_opts__clear_time_range(&itrace_synth_opts);
3937                 zfree(&script.ptime_range);
3938         }
3939
3940         perf_evlist__free_stats(session->evlist);
3941         perf_session__delete(session);
3942
3943         if (script_started)
3944                 cleanup_scripting();
3945 out:
3946         return err;
3947 }