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