tools/perf/builtin-script.c

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