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         {0, NULL}
1541 };
1542
1543 static const char *sample_flags_to_name(u32 flags)
1544 {
1545         int i;
1546
1547         for (i = 0; sample_flags[i].name ; i++) {
1548                 if (sample_flags[i].flags == flags)
1549                         return sample_flags[i].name;
1550         }
1551
1552         return NULL;
1553 }
1554
1555 static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1556 {
1557         const char *chars = PERF_IP_FLAG_CHARS;
1558         const int n = strlen(PERF_IP_FLAG_CHARS);
1559         bool in_tx = flags & PERF_IP_FLAG_IN_TX;
1560         const char *name = NULL;
1561         char str[33];
1562         int i, pos = 0;
1563
1564         name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX);
1565         if (name)
1566                 return fprintf(fp, "  %-15s%4s ", name, in_tx ? "(x)" : "");
1567
1568         if (flags & PERF_IP_FLAG_TRACE_BEGIN) {
1569                 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN));
1570                 if (name)
1571                         return fprintf(fp, "  tr strt %-7s%4s ", name, in_tx ? "(x)" : "");
1572         }
1573
1574         if (flags & PERF_IP_FLAG_TRACE_END) {
1575                 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END));
1576                 if (name)
1577                         return fprintf(fp, "  tr end  %-7s%4s ", name, in_tx ? "(x)" : "");
1578         }
1579
1580         for (i = 0; i < n; i++, flags >>= 1) {
1581                 if (flags & 1)
1582                         str[pos++] = chars[i];
1583         }
1584         for (; i < 32; i++, flags >>= 1) {
1585                 if (flags & 1)
1586                         str[pos++] = '?';
1587         }
1588         str[pos] = 0;
1589
1590         return fprintf(fp, "  %-19s ", str);
1591 }
1592
1593 struct printer_data {
1594         int line_no;
1595         bool hit_nul;
1596         bool is_printable;
1597 };
1598
1599 static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1600                                       unsigned int val,
1601                                       void *extra, FILE *fp)
1602 {
1603         unsigned char ch = (unsigned char)val;
1604         struct printer_data *printer_data = extra;
1605         int printed = 0;
1606
1607         switch (op) {
1608         case BINARY_PRINT_DATA_BEGIN:
1609                 printed += fprintf(fp, "\n");
1610                 break;
1611         case BINARY_PRINT_LINE_BEGIN:
1612                 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1613                                                         "           ");
1614                 break;
1615         case BINARY_PRINT_ADDR:
1616                 printed += fprintf(fp, " %04x:", val);
1617                 break;
1618         case BINARY_PRINT_NUM_DATA:
1619                 printed += fprintf(fp, " %02x", val);
1620                 break;
1621         case BINARY_PRINT_NUM_PAD:
1622                 printed += fprintf(fp, "   ");
1623                 break;
1624         case BINARY_PRINT_SEP:
1625                 printed += fprintf(fp, "  ");
1626                 break;
1627         case BINARY_PRINT_CHAR_DATA:
1628                 if (printer_data->hit_nul && ch)
1629                         printer_data->is_printable = false;
1630
1631                 if (!isprint(ch)) {
1632                         printed += fprintf(fp, "%c", '.');
1633
1634                         if (!printer_data->is_printable)
1635                                 break;
1636
1637                         if (ch == '\0')
1638                                 printer_data->hit_nul = true;
1639                         else
1640                                 printer_data->is_printable = false;
1641                 } else {
1642                         printed += fprintf(fp, "%c", ch);
1643                 }
1644                 break;
1645         case BINARY_PRINT_CHAR_PAD:
1646                 printed += fprintf(fp, " ");
1647                 break;
1648         case BINARY_PRINT_LINE_END:
1649                 printed += fprintf(fp, "\n");
1650                 printer_data->line_no++;
1651                 break;
1652         case BINARY_PRINT_DATA_END:
1653         default:
1654                 break;
1655         }
1656
1657         return printed;
1658 }
1659
1660 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1661 {
1662         unsigned int nr_bytes = sample->raw_size;
1663         struct printer_data printer_data = {0, false, true};
1664         int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1665                                       sample__fprintf_bpf_output, &printer_data, fp);
1666
1667         if (printer_data.is_printable && printer_data.hit_nul)
1668                 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1669
1670         return printed;
1671 }
1672
1673 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1674 {
1675         if (len > 0 && len < spacing)
1676                 return fprintf(fp, "%*s", spacing - len, "");
1677
1678         return 0;
1679 }
1680
1681 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1682 {
1683         return perf_sample__fprintf_spacing(len, 34, fp);
1684 }
1685
1686 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1687 {
1688         struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1689         int len;
1690
1691         if (perf_sample__bad_synth_size(sample, *data))
1692                 return 0;
1693
1694         len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ",
1695                      data->ip, le64_to_cpu(data->payload));
1696         return len + perf_sample__fprintf_pt_spacing(len, fp);
1697 }
1698
1699 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1700 {
1701         struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1702         int len;
1703
1704         if (perf_sample__bad_synth_size(sample, *data))
1705                 return 0;
1706
1707         len = fprintf(fp, " hints: %#x extensions: %#x ",
1708                       data->hints, data->extensions);
1709         return len + perf_sample__fprintf_pt_spacing(len, fp);
1710 }
1711
1712 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1713 {
1714         struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1715         int len;
1716
1717         if (perf_sample__bad_synth_size(sample, *data))
1718                 return 0;
1719
1720         len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1721                       data->hw, data->cstate, data->subcstate);
1722         return len + perf_sample__fprintf_pt_spacing(len, fp);
1723 }
1724
1725 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1726 {
1727         struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1728         int len;
1729
1730         if (perf_sample__bad_synth_size(sample, *data))
1731                 return 0;
1732
1733         len = fprintf(fp, " IP: %u ", data->ip);
1734         return len + perf_sample__fprintf_pt_spacing(len, fp);
1735 }
1736
1737 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1738 {
1739         struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1740         int len;
1741
1742         if (perf_sample__bad_synth_size(sample, *data))
1743                 return 0;
1744
1745         len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1746                      data->deepest_cstate, data->last_cstate,
1747                      data->wake_reason);
1748         return len + perf_sample__fprintf_pt_spacing(len, fp);
1749 }
1750
1751 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1752 {
1753         struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1754         unsigned int percent, freq;
1755         int len;
1756
1757         if (perf_sample__bad_synth_size(sample, *data))
1758                 return 0;
1759
1760         freq = (le32_to_cpu(data->freq) + 500) / 1000;
1761         len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1762         if (data->max_nonturbo) {
1763                 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1764                 len += fprintf(fp, "(%3u%%) ", percent);
1765         }
1766         return len + perf_sample__fprintf_pt_spacing(len, fp);
1767 }
1768
1769 static int perf_sample__fprintf_synth(struct perf_sample *sample,
1770                                       struct evsel *evsel, FILE *fp)
1771 {
1772         switch (evsel->core.attr.config) {
1773         case PERF_SYNTH_INTEL_PTWRITE:
1774                 return perf_sample__fprintf_synth_ptwrite(sample, fp);
1775         case PERF_SYNTH_INTEL_MWAIT:
1776                 return perf_sample__fprintf_synth_mwait(sample, fp);
1777         case PERF_SYNTH_INTEL_PWRE:
1778                 return perf_sample__fprintf_synth_pwre(sample, fp);
1779         case PERF_SYNTH_INTEL_EXSTOP:
1780                 return perf_sample__fprintf_synth_exstop(sample, fp);
1781         case PERF_SYNTH_INTEL_PWRX:
1782                 return perf_sample__fprintf_synth_pwrx(sample, fp);
1783         case PERF_SYNTH_INTEL_CBR:
1784                 return perf_sample__fprintf_synth_cbr(sample, fp);
1785         default:
1786                 break;
1787         }
1788
1789         return 0;
1790 }
1791
1792 static int evlist__max_name_len(struct evlist *evlist)
1793 {
1794         struct evsel *evsel;
1795         int max = 0;
1796
1797         evlist__for_each_entry(evlist, evsel) {
1798                 int len = strlen(evsel__name(evsel));
1799
1800                 max = MAX(len, max);
1801         }
1802
1803         return max;
1804 }
1805
1806 static int data_src__fprintf(u64 data_src, FILE *fp)
1807 {
1808         struct mem_info mi = { .data_src.val = data_src };
1809         char decode[100];
1810         char out[100];
1811         static int maxlen;
1812         int len;
1813
1814         perf_script__meminfo_scnprintf(decode, 100, &mi);
1815
1816         len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
1817         if (maxlen < len)
1818                 maxlen = len;
1819
1820         return fprintf(fp, "%-*s", maxlen, out);
1821 }
1822
1823 struct metric_ctx {
1824         struct perf_sample      *sample;
1825         struct thread           *thread;
1826         struct evsel    *evsel;
1827         FILE                    *fp;
1828 };
1829
1830 static void script_print_metric(struct perf_stat_config *config __maybe_unused,
1831                                 void *ctx, const char *color,
1832                                 const char *fmt,
1833                                 const char *unit, double val)
1834 {
1835         struct metric_ctx *mctx = ctx;
1836
1837         if (!fmt)
1838                 return;
1839         perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
1840                                    PERF_RECORD_SAMPLE, mctx->fp);
1841         fputs("\tmetric: ", mctx->fp);
1842         if (color)
1843                 color_fprintf(mctx->fp, color, fmt, val);
1844         else
1845                 printf(fmt, val);
1846         fprintf(mctx->fp, " %s\n", unit);
1847 }
1848
1849 static void script_new_line(struct perf_stat_config *config __maybe_unused,
1850                             void *ctx)
1851 {
1852         struct metric_ctx *mctx = ctx;
1853
1854         perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
1855                                    PERF_RECORD_SAMPLE, mctx->fp);
1856         fputs("\tmetric: ", mctx->fp);
1857 }
1858
1859 static void perf_sample__fprint_metric(struct perf_script *script,
1860                                        struct thread *thread,
1861                                        struct evsel *evsel,
1862                                        struct perf_sample *sample,
1863                                        FILE *fp)
1864 {
1865         struct perf_stat_output_ctx ctx = {
1866                 .print_metric = script_print_metric,
1867                 .new_line = script_new_line,
1868                 .ctx = &(struct metric_ctx) {
1869                                 .sample = sample,
1870                                 .thread = thread,
1871                                 .evsel  = evsel,
1872                                 .fp     = fp,
1873                          },
1874                 .force_header = false,
1875         };
1876         struct evsel *ev2;
1877         u64 val;
1878
1879         if (!evsel->stats)
1880                 evlist__alloc_stats(script->session->evlist, false);
1881         if (evsel_script(evsel->leader)->gnum++ == 0)
1882                 perf_stat__reset_shadow_stats();
1883         val = sample->period * evsel->scale;
1884         perf_stat__update_shadow_stats(evsel,
1885                                        val,
1886                                        sample->cpu,
1887                                        &rt_stat);
1888         evsel_script(evsel)->val = val;
1889         if (evsel_script(evsel->leader)->gnum == evsel->leader->core.nr_members) {
1890                 for_each_group_member (ev2, evsel->leader) {
1891                         perf_stat__print_shadow_stats(&stat_config, ev2,
1892                                                       evsel_script(ev2)->val,
1893                                                       sample->cpu,
1894                                                       &ctx,
1895                                                       NULL,
1896                                                       &rt_stat);
1897                 }
1898                 evsel_script(evsel->leader)->gnum = 0;
1899         }
1900 }
1901
1902 static bool show_event(struct perf_sample *sample,
1903                        struct evsel *evsel,
1904                        struct thread *thread,
1905                        struct addr_location *al)
1906 {
1907         int depth = thread_stack__depth(thread, sample->cpu);
1908
1909         if (!symbol_conf.graph_function)
1910                 return true;
1911
1912         if (thread->filter) {
1913                 if (depth <= thread->filter_entry_depth) {
1914                         thread->filter = false;
1915                         return false;
1916                 }
1917                 return true;
1918         } else {
1919                 const char *s = symbol_conf.graph_function;
1920                 u64 ip;
1921                 const char *name = resolve_branch_sym(sample, evsel, thread, al,
1922                                 &ip);
1923                 unsigned nlen;
1924
1925                 if (!name)
1926                         return false;
1927                 nlen = strlen(name);
1928                 while (*s) {
1929                         unsigned len = strcspn(s, ",");
1930                         if (nlen == len && !strncmp(name, s, len)) {
1931                                 thread->filter = true;
1932                                 thread->filter_entry_depth = depth;
1933                                 return true;
1934                         }
1935                         s += len;
1936                         if (*s == ',')
1937                                 s++;
1938                 }
1939                 return false;
1940         }
1941 }
1942
1943 static void process_event(struct perf_script *script,
1944                           struct perf_sample *sample, struct evsel *evsel,
1945                           struct addr_location *al,
1946                           struct machine *machine)
1947 {
1948         struct thread *thread = al->thread;
1949         struct perf_event_attr *attr = &evsel->core.attr;
1950         unsigned int type = output_type(attr->type);
1951         struct evsel_script *es = evsel->priv;
1952         FILE *fp = es->fp;
1953         char str[PAGE_SIZE_NAME_LEN];
1954
1955         if (output[type].fields == 0)
1956                 return;
1957
1958         if (!show_event(sample, evsel, thread, al))
1959                 return;
1960
1961         if (evswitch__discard(&script->evswitch, evsel))
1962                 return;
1963
1964         ++es->samples;
1965
1966         perf_sample__fprintf_start(script, sample, thread, evsel,
1967                                    PERF_RECORD_SAMPLE, fp);
1968
1969         if (PRINT_FIELD(PERIOD))
1970                 fprintf(fp, "%10" PRIu64 " ", sample->period);
1971
1972         if (PRINT_FIELD(EVNAME)) {
1973                 const char *evname = evsel__name(evsel);
1974
1975                 if (!script->name_width)
1976                         script->name_width = evlist__max_name_len(script->session->evlist);
1977
1978                 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
1979         }
1980
1981         if (print_flags)
1982                 perf_sample__fprintf_flags(sample->flags, fp);
1983
1984         if (is_bts_event(attr)) {
1985                 perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp);
1986                 return;
1987         }
1988
1989         if (PRINT_FIELD(TRACE) && sample->raw_data) {
1990                 event_format__fprintf(evsel->tp_format, sample->cpu,
1991                                       sample->raw_data, sample->raw_size, fp);
1992         }
1993
1994         if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
1995                 perf_sample__fprintf_synth(sample, evsel, fp);
1996
1997         if (PRINT_FIELD(ADDR))
1998                 perf_sample__fprintf_addr(sample, thread, attr, fp);
1999
2000         if (PRINT_FIELD(DATA_SRC))
2001                 data_src__fprintf(sample->data_src, fp);
2002
2003         if (PRINT_FIELD(WEIGHT))
2004                 fprintf(fp, "%16" PRIu64, sample->weight);
2005
2006         if (PRINT_FIELD(IP)) {
2007                 struct callchain_cursor *cursor = NULL;
2008
2009                 if (script->stitch_lbr)
2010                         al->thread->lbr_stitch_enable = true;
2011
2012                 if (symbol_conf.use_callchain && sample->callchain &&
2013                     thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
2014                                               sample, NULL, NULL, scripting_max_stack) == 0)
2015                         cursor = &callchain_cursor;
2016
2017                 fputc(cursor ? '\n' : ' ', fp);
2018                 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor,
2019                                     symbol_conf.bt_stop_list, fp);
2020         }
2021
2022         if (PRINT_FIELD(IREGS))
2023                 perf_sample__fprintf_iregs(sample, attr, fp);
2024
2025         if (PRINT_FIELD(UREGS))
2026                 perf_sample__fprintf_uregs(sample, attr, fp);
2027
2028         if (PRINT_FIELD(BRSTACK))
2029                 perf_sample__fprintf_brstack(sample, thread, attr, fp);
2030         else if (PRINT_FIELD(BRSTACKSYM))
2031                 perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
2032         else if (PRINT_FIELD(BRSTACKOFF))
2033                 perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
2034
2035         if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
2036                 perf_sample__fprintf_bpf_output(sample, fp);
2037         perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
2038
2039         if (PRINT_FIELD(PHYS_ADDR))
2040                 fprintf(fp, "%16" PRIx64, sample->phys_addr);
2041
2042         if (PRINT_FIELD(DATA_PAGE_SIZE))
2043                 fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str));
2044
2045         if (PRINT_FIELD(CODE_PAGE_SIZE))
2046                 fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str));
2047
2048         perf_sample__fprintf_ipc(sample, attr, fp);
2049
2050         fprintf(fp, "\n");
2051
2052         if (PRINT_FIELD(SRCCODE)) {
2053                 if (map__fprintf_srccode(al->map, al->addr, stdout,
2054                                          &thread->srccode_state))
2055                         printf("\n");
2056         }
2057
2058         if (PRINT_FIELD(METRIC))
2059                 perf_sample__fprint_metric(script, thread, evsel, sample, fp);
2060
2061         if (verbose)
2062                 fflush(fp);
2063 }
2064
2065 static struct scripting_ops     *scripting_ops;
2066
2067 static void __process_stat(struct evsel *counter, u64 tstamp)
2068 {
2069         int nthreads = perf_thread_map__nr(counter->core.threads);
2070         int ncpus = evsel__nr_cpus(counter);
2071         int cpu, thread;
2072         static int header_printed;
2073
2074         if (counter->core.system_wide)
2075                 nthreads = 1;
2076
2077         if (!header_printed) {
2078                 printf("%3s %8s %15s %15s %15s %15s %s\n",
2079                        "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
2080                 header_printed = 1;
2081         }
2082
2083         for (thread = 0; thread < nthreads; thread++) {
2084                 for (cpu = 0; cpu < ncpus; cpu++) {
2085                         struct perf_counts_values *counts;
2086
2087                         counts = perf_counts(counter->counts, cpu, thread);
2088
2089                         printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
2090                                 counter->core.cpus->map[cpu],
2091                                 perf_thread_map__pid(counter->core.threads, thread),
2092                                 counts->val,
2093                                 counts->ena,
2094                                 counts->run,
2095                                 tstamp,
2096                                 evsel__name(counter));
2097                 }
2098         }
2099 }
2100
2101 static void process_stat(struct evsel *counter, u64 tstamp)
2102 {
2103         if (scripting_ops && scripting_ops->process_stat)
2104                 scripting_ops->process_stat(&stat_config, counter, tstamp);
2105         else
2106                 __process_stat(counter, tstamp);
2107 }
2108
2109 static void process_stat_interval(u64 tstamp)
2110 {
2111         if (scripting_ops && scripting_ops->process_stat_interval)
2112                 scripting_ops->process_stat_interval(tstamp);
2113 }
2114
2115 static void setup_scripting(void)
2116 {
2117         setup_perl_scripting();
2118         setup_python_scripting();
2119 }
2120
2121 static int flush_scripting(void)
2122 {
2123         return scripting_ops ? scripting_ops->flush_script() : 0;
2124 }
2125
2126 static int cleanup_scripting(void)
2127 {
2128         pr_debug("\nperf script stopped\n");
2129
2130         return scripting_ops ? scripting_ops->stop_script() : 0;
2131 }
2132
2133 static bool filter_cpu(struct perf_sample *sample)
2134 {
2135         if (cpu_list && sample->cpu != (u32)-1)
2136                 return !test_bit(sample->cpu, cpu_bitmap);
2137         return false;
2138 }
2139
2140 static int process_sample_event(struct perf_tool *tool,
2141                                 union perf_event *event,
2142                                 struct perf_sample *sample,
2143                                 struct evsel *evsel,
2144                                 struct machine *machine)
2145 {
2146         struct perf_script *scr = container_of(tool, struct perf_script, tool);
2147         struct addr_location al;
2148
2149         if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
2150                                           sample->time)) {
2151                 return 0;
2152         }
2153
2154         if (debug_mode) {
2155                 if (sample->time < last_timestamp) {
2156                         pr_err("Samples misordered, previous: %" PRIu64
2157                                 " this: %" PRIu64 "\n", last_timestamp,
2158                                 sample->time);
2159                         nr_unordered++;
2160                 }
2161                 last_timestamp = sample->time;
2162                 return 0;
2163         }
2164
2165         if (machine__resolve(machine, &al, sample) < 0) {
2166                 pr_err("problem processing %d event, skipping it.\n",
2167                        event->header.type);
2168                 return -1;
2169         }
2170
2171         if (al.filtered)
2172                 goto out_put;
2173
2174         if (filter_cpu(sample))
2175                 goto out_put;
2176
2177         if (scripting_ops)
2178                 scripting_ops->process_event(event, sample, evsel, &al);
2179         else
2180                 process_event(scr, sample, evsel, &al, machine);
2181
2182 out_put:
2183         addr_location__put(&al);
2184         return 0;
2185 }
2186
2187 static int process_attr(struct perf_tool *tool, union perf_event *event,
2188                         struct evlist **pevlist)
2189 {
2190         struct perf_script *scr = container_of(tool, struct perf_script, tool);
2191         struct evlist *evlist;
2192         struct evsel *evsel, *pos;
2193         u64 sample_type;
2194         int err;
2195         static struct evsel_script *es;
2196
2197         err = perf_event__process_attr(tool, event, pevlist);
2198         if (err)
2199                 return err;
2200
2201         evlist = *pevlist;
2202         evsel = evlist__last(*pevlist);
2203
2204         if (!evsel->priv) {
2205                 if (scr->per_event_dump) {
2206                         evsel->priv = perf_evsel_script__new(evsel,
2207                                                 scr->session->data);
2208                 } else {
2209                         es = zalloc(sizeof(*es));
2210                         if (!es)
2211                                 return -ENOMEM;
2212                         es->fp = stdout;
2213                         evsel->priv = es;
2214                 }
2215         }
2216
2217         if (evsel->core.attr.type >= PERF_TYPE_MAX &&
2218             evsel->core.attr.type != PERF_TYPE_SYNTH)
2219                 return 0;
2220
2221         evlist__for_each_entry(evlist, pos) {
2222                 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel)
2223                         return 0;
2224         }
2225
2226         if (evsel->core.attr.sample_type) {
2227                 err = evsel__check_attr(evsel, scr->session);
2228                 if (err)
2229                         return err;
2230         }
2231
2232         /*
2233          * Check if we need to enable callchains based
2234          * on events sample_type.
2235          */
2236         sample_type = evlist__combined_sample_type(evlist);
2237         callchain_param_setup(sample_type);
2238
2239         /* Enable fields for callchain entries */
2240         if (symbol_conf.use_callchain &&
2241             (sample_type & PERF_SAMPLE_CALLCHAIN ||
2242              sample_type & PERF_SAMPLE_BRANCH_STACK ||
2243              (sample_type & PERF_SAMPLE_REGS_USER &&
2244               sample_type & PERF_SAMPLE_STACK_USER))) {
2245                 int type = output_type(evsel->core.attr.type);
2246
2247                 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP))
2248                         output[type].fields |= PERF_OUTPUT_IP;
2249                 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM))
2250                         output[type].fields |= PERF_OUTPUT_SYM;
2251         }
2252         set_print_ip_opts(&evsel->core.attr);
2253         return 0;
2254 }
2255
2256 static int print_event_with_time(struct perf_tool *tool,
2257                                  union perf_event *event,
2258                                  struct perf_sample *sample,
2259                                  struct machine *machine,
2260                                  pid_t pid, pid_t tid, u64 timestamp)
2261 {
2262         struct perf_script *script = container_of(tool, struct perf_script, tool);
2263         struct perf_session *session = script->session;
2264         struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id);
2265         struct thread *thread = NULL;
2266
2267         if (evsel && !evsel->core.attr.sample_id_all) {
2268                 sample->cpu = 0;
2269                 sample->time = timestamp;
2270                 sample->pid = pid;
2271                 sample->tid = tid;
2272         }
2273
2274         if (filter_cpu(sample))
2275                 return 0;
2276
2277         if (tid != -1)
2278                 thread = machine__findnew_thread(machine, pid, tid);
2279
2280         if (evsel) {
2281                 perf_sample__fprintf_start(script, sample, thread, evsel,
2282                                            event->header.type, stdout);
2283         }
2284
2285         perf_event__fprintf(event, machine, stdout);
2286
2287         thread__put(thread);
2288
2289         return 0;
2290 }
2291
2292 static int print_event(struct perf_tool *tool, union perf_event *event,
2293                        struct perf_sample *sample, struct machine *machine,
2294                        pid_t pid, pid_t tid)
2295 {
2296         return print_event_with_time(tool, event, sample, machine, pid, tid, 0);
2297 }
2298
2299 static int process_comm_event(struct perf_tool *tool,
2300                               union perf_event *event,
2301                               struct perf_sample *sample,
2302                               struct machine *machine)
2303 {
2304         if (perf_event__process_comm(tool, event, sample, machine) < 0)
2305                 return -1;
2306
2307         return print_event(tool, event, sample, machine, event->comm.pid,
2308                            event->comm.tid);
2309 }
2310
2311 static int process_namespaces_event(struct perf_tool *tool,
2312                                     union perf_event *event,
2313                                     struct perf_sample *sample,
2314                                     struct machine *machine)
2315 {
2316         if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
2317                 return -1;
2318
2319         return print_event(tool, event, sample, machine, event->namespaces.pid,
2320                            event->namespaces.tid);
2321 }
2322
2323 static int process_cgroup_event(struct perf_tool *tool,
2324                                 union perf_event *event,
2325                                 struct perf_sample *sample,
2326                                 struct machine *machine)
2327 {
2328         if (perf_event__process_cgroup(tool, event, sample, machine) < 0)
2329                 return -1;
2330
2331         return print_event(tool, event, sample, machine, sample->pid,
2332                             sample->tid);
2333 }
2334
2335 static int process_fork_event(struct perf_tool *tool,
2336                               union perf_event *event,
2337                               struct perf_sample *sample,
2338                               struct machine *machine)
2339 {
2340         if (perf_event__process_fork(tool, event, sample, machine) < 0)
2341                 return -1;
2342
2343         return print_event_with_time(tool, event, sample, machine,
2344                                      event->fork.pid, event->fork.tid,
2345                                      event->fork.time);
2346 }
2347 static int process_exit_event(struct perf_tool *tool,
2348                               union perf_event *event,
2349                               struct perf_sample *sample,
2350                               struct machine *machine)
2351 {
2352         /* Print before 'exit' deletes anything */
2353         if (print_event_with_time(tool, event, sample, machine, event->fork.pid,
2354                                   event->fork.tid, event->fork.time))
2355                 return -1;
2356
2357         return perf_event__process_exit(tool, event, sample, machine);
2358 }
2359
2360 static int process_mmap_event(struct perf_tool *tool,
2361                               union perf_event *event,
2362                               struct perf_sample *sample,
2363                               struct machine *machine)
2364 {
2365         if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2366                 return -1;
2367
2368         return print_event(tool, event, sample, machine, event->mmap.pid,
2369                            event->mmap.tid);
2370 }
2371
2372 static int process_mmap2_event(struct perf_tool *tool,
2373                               union perf_event *event,
2374                               struct perf_sample *sample,
2375                               struct machine *machine)
2376 {
2377         if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2378                 return -1;
2379
2380         return print_event(tool, event, sample, machine, event->mmap2.pid,
2381                            event->mmap2.tid);
2382 }
2383
2384 static int process_switch_event(struct perf_tool *tool,
2385                                 union perf_event *event,
2386                                 struct perf_sample *sample,
2387                                 struct machine *machine)
2388 {
2389         struct perf_script *script = container_of(tool, struct perf_script, tool);
2390
2391         if (perf_event__process_switch(tool, event, sample, machine) < 0)
2392                 return -1;
2393
2394         if (scripting_ops && scripting_ops->process_switch)
2395                 scripting_ops->process_switch(event, sample, machine);
2396
2397         if (!script->show_switch_events)
2398                 return 0;
2399
2400         return print_event(tool, event, sample, machine, sample->pid,
2401                            sample->tid);
2402 }
2403
2404 static int
2405 process_lost_event(struct perf_tool *tool,
2406                    union perf_event *event,
2407                    struct perf_sample *sample,
2408                    struct machine *machine)
2409 {
2410         return print_event(tool, event, sample, machine, sample->pid,
2411                            sample->tid);
2412 }
2413
2414 static int
2415 process_finished_round_event(struct perf_tool *tool __maybe_unused,
2416                              union perf_event *event,
2417                              struct ordered_events *oe __maybe_unused)
2418
2419 {
2420         perf_event__fprintf(event, NULL, stdout);
2421         return 0;
2422 }
2423
2424 static int
2425 process_bpf_events(struct perf_tool *tool __maybe_unused,
2426                    union perf_event *event,
2427                    struct perf_sample *sample,
2428                    struct machine *machine)
2429 {
2430         if (machine__process_ksymbol(machine, event, sample) < 0)
2431                 return -1;
2432
2433         return print_event(tool, event, sample, machine, sample->pid,
2434                            sample->tid);
2435 }
2436
2437 static int process_text_poke_events(struct perf_tool *tool,
2438                                     union perf_event *event,
2439                                     struct perf_sample *sample,
2440                                     struct machine *machine)
2441 {
2442         if (perf_event__process_text_poke(tool, event, sample, machine) < 0)
2443                 return -1;
2444
2445         return print_event(tool, event, sample, machine, sample->pid,
2446                            sample->tid);
2447 }
2448
2449 static void sig_handler(int sig __maybe_unused)
2450 {
2451         session_done = 1;
2452 }
2453
2454 static void perf_script__fclose_per_event_dump(struct perf_script *script)
2455 {
2456         struct evlist *evlist = script->session->evlist;
2457         struct evsel *evsel;
2458
2459         evlist__for_each_entry(evlist, evsel) {
2460                 if (!evsel->priv)
2461                         break;
2462                 perf_evsel_script__delete(evsel->priv);
2463                 evsel->priv = NULL;
2464         }
2465 }
2466
2467 static int perf_script__fopen_per_event_dump(struct perf_script *script)
2468 {
2469         struct evsel *evsel;
2470
2471         evlist__for_each_entry(script->session->evlist, evsel) {
2472                 /*
2473                  * Already setup? I.e. we may be called twice in cases like
2474                  * Intel PT, one for the intel_pt// and dummy events, then
2475                  * for the evsels syntheized from the auxtrace info.
2476                  *
2477                  * Ses perf_script__process_auxtrace_info.
2478                  */
2479                 if (evsel->priv != NULL)
2480                         continue;
2481
2482                 evsel->priv = perf_evsel_script__new(evsel, script->session->data);
2483                 if (evsel->priv == NULL)
2484                         goto out_err_fclose;
2485         }
2486
2487         return 0;
2488
2489 out_err_fclose:
2490         perf_script__fclose_per_event_dump(script);
2491         return -1;
2492 }
2493
2494 static int perf_script__setup_per_event_dump(struct perf_script *script)
2495 {
2496         struct evsel *evsel;
2497         static struct evsel_script es_stdout;
2498
2499         if (script->per_event_dump)
2500                 return perf_script__fopen_per_event_dump(script);
2501
2502         es_stdout.fp = stdout;
2503
2504         evlist__for_each_entry(script->session->evlist, evsel)
2505                 evsel->priv = &es_stdout;
2506
2507         return 0;
2508 }
2509
2510 static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2511 {
2512         struct evsel *evsel;
2513
2514         evlist__for_each_entry(script->session->evlist, evsel) {
2515                 struct evsel_script *es = evsel->priv;
2516
2517                 perf_evsel_script__fprintf(es, stdout);
2518                 perf_evsel_script__delete(es);
2519                 evsel->priv = NULL;
2520         }
2521 }
2522
2523 static int __cmd_script(struct perf_script *script)
2524 {
2525         int ret;
2526
2527         signal(SIGINT, sig_handler);
2528
2529         perf_stat__init_shadow_stats();
2530
2531         /* override event processing functions */
2532         if (script->show_task_events) {
2533                 script->tool.comm = process_comm_event;
2534                 script->tool.fork = process_fork_event;
2535                 script->tool.exit = process_exit_event;
2536         }
2537         if (script->show_mmap_events) {
2538                 script->tool.mmap = process_mmap_event;
2539                 script->tool.mmap2 = process_mmap2_event;
2540         }
2541         if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch))
2542                 script->tool.context_switch = process_switch_event;
2543         if (script->show_namespace_events)
2544                 script->tool.namespaces = process_namespaces_event;
2545         if (script->show_cgroup_events)
2546                 script->tool.cgroup = process_cgroup_event;
2547         if (script->show_lost_events)
2548                 script->tool.lost = process_lost_event;
2549         if (script->show_round_events) {
2550                 script->tool.ordered_events = false;
2551                 script->tool.finished_round = process_finished_round_event;
2552         }
2553         if (script->show_bpf_events) {
2554                 script->tool.ksymbol = process_bpf_events;
2555                 script->tool.bpf     = process_bpf_events;
2556         }
2557         if (script->show_text_poke_events) {
2558                 script->tool.ksymbol   = process_bpf_events;
2559                 script->tool.text_poke = process_text_poke_events;
2560         }
2561
2562         if (perf_script__setup_per_event_dump(script)) {
2563                 pr_err("Couldn't create the per event dump files\n");
2564                 return -1;
2565         }
2566
2567         ret = perf_session__process_events(script->session);
2568
2569         if (script->per_event_dump)
2570                 perf_script__exit_per_event_dump_stats(script);
2571
2572         if (debug_mode)
2573                 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2574
2575         return ret;
2576 }
2577
2578 struct script_spec {
2579         struct list_head        node;
2580         struct scripting_ops    *ops;
2581         char                    spec[];
2582 };
2583
2584 static LIST_HEAD(script_specs);
2585
2586 static struct script_spec *script_spec__new(const char *spec,
2587                                             struct scripting_ops *ops)
2588 {
2589         struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2590
2591         if (s != NULL) {
2592                 strcpy(s->spec, spec);
2593                 s->ops = ops;
2594         }
2595
2596         return s;
2597 }
2598
2599 static void script_spec__add(struct script_spec *s)
2600 {
2601         list_add_tail(&s->node, &script_specs);
2602 }
2603
2604 static struct script_spec *script_spec__find(const char *spec)
2605 {
2606         struct script_spec *s;
2607
2608         list_for_each_entry(s, &script_specs, node)
2609                 if (strcasecmp(s->spec, spec) == 0)
2610                         return s;
2611         return NULL;
2612 }
2613
2614 int script_spec_register(const char *spec, struct scripting_ops *ops)
2615 {
2616         struct script_spec *s;
2617
2618         s = script_spec__find(spec);
2619         if (s)
2620                 return -1;
2621
2622         s = script_spec__new(spec, ops);
2623         if (!s)
2624                 return -1;
2625         else
2626                 script_spec__add(s);
2627
2628         return 0;
2629 }
2630
2631 static struct scripting_ops *script_spec__lookup(const char *spec)
2632 {
2633         struct script_spec *s = script_spec__find(spec);
2634         if (!s)
2635                 return NULL;
2636
2637         return s->ops;
2638 }
2639
2640 static void list_available_languages(void)
2641 {
2642         struct script_spec *s;
2643
2644         fprintf(stderr, "\n");
2645         fprintf(stderr, "Scripting language extensions (used in "
2646                 "perf script -s [spec:]script.[spec]):\n\n");
2647
2648         list_for_each_entry(s, &script_specs, node)
2649                 fprintf(stderr, "  %-42s [%s]\n", s->spec, s->ops->name);
2650
2651         fprintf(stderr, "\n");
2652 }
2653
2654 static int parse_scriptname(const struct option *opt __maybe_unused,
2655                             const char *str, int unset __maybe_unused)
2656 {
2657         char spec[PATH_MAX];
2658         const char *script, *ext;
2659         int len;
2660
2661         if (strcmp(str, "lang") == 0) {
2662                 list_available_languages();
2663                 exit(0);
2664         }
2665
2666         script = strchr(str, ':');
2667         if (script) {
2668                 len = script - str;
2669                 if (len >= PATH_MAX) {
2670                         fprintf(stderr, "invalid language specifier");
2671                         return -1;
2672                 }
2673                 strncpy(spec, str, len);
2674                 spec[len] = '\0';
2675                 scripting_ops = script_spec__lookup(spec);
2676                 if (!scripting_ops) {
2677                         fprintf(stderr, "invalid language specifier");
2678                         return -1;
2679                 }
2680                 script++;
2681         } else {
2682                 script = str;
2683                 ext = strrchr(script, '.');
2684                 if (!ext) {
2685                         fprintf(stderr, "invalid script extension");
2686                         return -1;
2687                 }
2688                 scripting_ops = script_spec__lookup(++ext);
2689                 if (!scripting_ops) {
2690                         fprintf(stderr, "invalid script extension");
2691                         return -1;
2692                 }
2693         }
2694
2695         script_name = strdup(script);
2696
2697         return 0;
2698 }
2699
2700 static int parse_output_fields(const struct option *opt __maybe_unused,
2701                             const char *arg, int unset __maybe_unused)
2702 {
2703         char *tok, *strtok_saveptr = NULL;
2704         int i, imax = ARRAY_SIZE(all_output_options);
2705         int j;
2706         int rc = 0;
2707         char *str = strdup(arg);
2708         int type = -1;
2709         enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
2710
2711         if (!str)
2712                 return -ENOMEM;
2713
2714         /* first word can state for which event type the user is specifying
2715          * the fields. If no type exists, the specified fields apply to all
2716          * event types found in the file minus the invalid fields for a type.
2717          */
2718         tok = strchr(str, ':');
2719         if (tok) {
2720                 *tok = '\0';
2721                 tok++;
2722                 if (!strcmp(str, "hw"))
2723                         type = PERF_TYPE_HARDWARE;
2724                 else if (!strcmp(str, "sw"))
2725                         type = PERF_TYPE_SOFTWARE;
2726                 else if (!strcmp(str, "trace"))
2727                         type = PERF_TYPE_TRACEPOINT;
2728                 else if (!strcmp(str, "raw"))
2729                         type = PERF_TYPE_RAW;
2730                 else if (!strcmp(str, "break"))
2731                         type = PERF_TYPE_BREAKPOINT;
2732                 else if (!strcmp(str, "synth"))
2733                         type = OUTPUT_TYPE_SYNTH;
2734                 else {
2735                         fprintf(stderr, "Invalid event type in field string.\n");
2736                         rc = -EINVAL;
2737                         goto out;
2738                 }
2739
2740                 if (output[type].user_set)
2741                         pr_warning("Overriding previous field request for %s events.\n",
2742                                    event_type(type));
2743
2744                 /* Don't override defaults for +- */
2745                 if (strchr(tok, '+') || strchr(tok, '-'))
2746                         goto parse;
2747
2748                 output[type].fields = 0;
2749                 output[type].user_set = true;
2750                 output[type].wildcard_set = false;
2751
2752         } else {
2753                 tok = str;
2754                 if (strlen(str) == 0) {
2755                         fprintf(stderr,
2756                                 "Cannot set fields to 'none' for all event types.\n");
2757                         rc = -EINVAL;
2758                         goto out;
2759                 }
2760
2761                 /* Don't override defaults for +- */
2762                 if (strchr(str, '+') || strchr(str, '-'))
2763                         goto parse;
2764
2765                 if (output_set_by_user())
2766                         pr_warning("Overriding previous field request for all events.\n");
2767
2768                 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2769                         output[j].fields = 0;
2770                         output[j].user_set = true;
2771                         output[j].wildcard_set = true;
2772                 }
2773         }
2774
2775 parse:
2776         for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
2777                 if (*tok == '+') {
2778                         if (change == SET)
2779                                 goto out_badmix;
2780                         change = ADD;
2781                         tok++;
2782                 } else if (*tok == '-') {
2783                         if (change == SET)
2784                                 goto out_badmix;
2785                         change = REMOVE;
2786                         tok++;
2787                 } else {
2788                         if (change != SET && change != DEFAULT)
2789                                 goto out_badmix;
2790                         change = SET;
2791                 }
2792
2793                 for (i = 0; i < imax; ++i) {
2794                         if (strcmp(tok, all_output_options[i].str) == 0)
2795                                 break;
2796                 }
2797                 if (i == imax && strcmp(tok, "flags") == 0) {
2798                         print_flags = change == REMOVE ? false : true;
2799                         continue;
2800                 }
2801                 if (i == imax) {
2802                         fprintf(stderr, "Invalid field requested.\n");
2803                         rc = -EINVAL;
2804                         goto out;
2805                 }
2806
2807                 if (type == -1) {
2808                         /* add user option to all events types for
2809                          * which it is valid
2810                          */
2811                         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2812                                 if (output[j].invalid_fields & all_output_options[i].field) {
2813                                         pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
2814                                                    all_output_options[i].str, event_type(j));
2815                                 } else {
2816                                         if (change == REMOVE) {
2817                                                 output[j].fields &= ~all_output_options[i].field;
2818                                                 output[j].user_set_fields &= ~all_output_options[i].field;
2819                                                 output[j].user_unset_fields |= all_output_options[i].field;
2820                                         } else {
2821                                                 output[j].fields |= all_output_options[i].field;
2822                                                 output[j].user_set_fields |= all_output_options[i].field;
2823                                                 output[j].user_unset_fields &= ~all_output_options[i].field;
2824                                         }
2825                                         output[j].user_set = true;
2826                                         output[j].wildcard_set = true;
2827                                 }
2828                         }
2829                 } else {
2830                         if (output[type].invalid_fields & all_output_options[i].field) {
2831                                 fprintf(stderr, "\'%s\' not valid for %s events.\n",
2832                                          all_output_options[i].str, event_type(type));
2833
2834                                 rc = -EINVAL;
2835                                 goto out;
2836                         }
2837                         if (change == REMOVE)
2838                                 output[type].fields &= ~all_output_options[i].field;
2839                         else
2840                                 output[type].fields |= all_output_options[i].field;
2841                         output[type].user_set = true;
2842                         output[type].wildcard_set = true;
2843                 }
2844         }
2845
2846         if (type >= 0) {
2847                 if (output[type].fields == 0) {
2848                         pr_debug("No fields requested for %s type. "
2849                                  "Events will not be displayed.\n", event_type(type));
2850                 }
2851         }
2852         goto out;
2853
2854 out_badmix:
2855         fprintf(stderr, "Cannot mix +-field with overridden fields\n");
2856         rc = -EINVAL;
2857 out:
2858         free(str);
2859         return rc;
2860 }
2861
2862 #define for_each_lang(scripts_path, scripts_dir, lang_dirent)           \
2863         while ((lang_dirent = readdir(scripts_dir)) != NULL)            \
2864                 if ((lang_dirent->d_type == DT_DIR ||                   \
2865                      (lang_dirent->d_type == DT_UNKNOWN &&              \
2866                       is_directory(scripts_path, lang_dirent))) &&      \
2867                     (strcmp(lang_dirent->d_name, ".")) &&               \
2868                     (strcmp(lang_dirent->d_name, "..")))
2869
2870 #define for_each_script(lang_path, lang_dir, script_dirent)             \
2871         while ((script_dirent = readdir(lang_dir)) != NULL)             \
2872                 if (script_dirent->d_type != DT_DIR &&                  \
2873                     (script_dirent->d_type != DT_UNKNOWN ||             \
2874                      !is_directory(lang_path, script_dirent)))
2875
2876
2877 #define RECORD_SUFFIX                   "-record"
2878 #define REPORT_SUFFIX                   "-report"
2879
2880 struct script_desc {
2881         struct list_head        node;
2882         char                    *name;
2883         char                    *half_liner;
2884         char                    *args;
2885 };
2886
2887 static LIST_HEAD(script_descs);
2888
2889 static struct script_desc *script_desc__new(const char *name)
2890 {
2891         struct script_desc *s = zalloc(sizeof(*s));
2892
2893         if (s != NULL && name)
2894                 s->name = strdup(name);
2895
2896         return s;
2897 }
2898
2899 static void script_desc__delete(struct script_desc *s)
2900 {
2901         zfree(&s->name);
2902         zfree(&s->half_liner);
2903         zfree(&s->args);
2904         free(s);
2905 }
2906
2907 static void script_desc__add(struct script_desc *s)
2908 {
2909         list_add_tail(&s->node, &script_descs);
2910 }
2911
2912 static struct script_desc *script_desc__find(const char *name)
2913 {
2914         struct script_desc *s;
2915
2916         list_for_each_entry(s, &script_descs, node)
2917                 if (strcasecmp(s->name, name) == 0)
2918                         return s;
2919         return NULL;
2920 }
2921
2922 static struct script_desc *script_desc__findnew(const char *name)
2923 {
2924         struct script_desc *s = script_desc__find(name);
2925
2926         if (s)
2927                 return s;
2928
2929         s = script_desc__new(name);
2930         if (!s)
2931                 return NULL;
2932
2933         script_desc__add(s);
2934
2935         return s;
2936 }
2937
2938 static const char *ends_with(const char *str, const char *suffix)
2939 {
2940         size_t suffix_len = strlen(suffix);
2941         const char *p = str;
2942
2943         if (strlen(str) > suffix_len) {
2944                 p = str + strlen(str) - suffix_len;
2945                 if (!strncmp(p, suffix, suffix_len))
2946                         return p;
2947         }
2948
2949         return NULL;
2950 }
2951
2952 static int read_script_info(struct script_desc *desc, const char *filename)
2953 {
2954         char line[BUFSIZ], *p;
2955         FILE *fp;
2956
2957         fp = fopen(filename, "r");
2958         if (!fp)
2959                 return -1;
2960
2961         while (fgets(line, sizeof(line), fp)) {
2962                 p = skip_spaces(line);
2963                 if (strlen(p) == 0)
2964                         continue;
2965                 if (*p != '#')
2966                         continue;
2967                 p++;
2968                 if (strlen(p) && *p == '!')
2969                         continue;
2970
2971                 p = skip_spaces(p);
2972                 if (strlen(p) && p[strlen(p) - 1] == '\n')
2973                         p[strlen(p) - 1] = '\0';
2974
2975                 if (!strncmp(p, "description:", strlen("description:"))) {
2976                         p += strlen("description:");
2977                         desc->half_liner = strdup(skip_spaces(p));
2978                         continue;
2979                 }
2980
2981                 if (!strncmp(p, "args:", strlen("args:"))) {
2982                         p += strlen("args:");
2983                         desc->args = strdup(skip_spaces(p));
2984                         continue;
2985                 }
2986         }
2987
2988         fclose(fp);
2989
2990         return 0;
2991 }
2992
2993 static char *get_script_root(struct dirent *script_dirent, const char *suffix)
2994 {
2995         char *script_root, *str;
2996
2997         script_root = strdup(script_dirent->d_name);
2998         if (!script_root)
2999                 return NULL;
3000
3001         str = (char *)ends_with(script_root, suffix);
3002         if (!str) {
3003                 free(script_root);
3004                 return NULL;
3005         }
3006
3007         *str = '\0';
3008         return script_root;
3009 }
3010
3011 static int list_available_scripts(const struct option *opt __maybe_unused,
3012                                   const char *s __maybe_unused,
3013                                   int unset __maybe_unused)
3014 {
3015         struct dirent *script_dirent, *lang_dirent;
3016         char scripts_path[MAXPATHLEN];
3017         DIR *scripts_dir, *lang_dir;
3018         char script_path[MAXPATHLEN];
3019         char lang_path[MAXPATHLEN];
3020         struct script_desc *desc;
3021         char first_half[BUFSIZ];
3022         char *script_root;
3023
3024         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3025
3026         scripts_dir = opendir(scripts_path);
3027         if (!scripts_dir) {
3028                 fprintf(stdout,
3029                         "open(%s) failed.\n"
3030                         "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
3031                         scripts_path);
3032                 exit(-1);
3033         }
3034
3035         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3036                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3037                           lang_dirent->d_name);
3038                 lang_dir = opendir(lang_path);
3039                 if (!lang_dir)
3040                         continue;
3041
3042                 for_each_script(lang_path, lang_dir, script_dirent) {
3043                         script_root = get_script_root(script_dirent, REPORT_SUFFIX);
3044                         if (script_root) {
3045                                 desc = script_desc__findnew(script_root);
3046                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3047                                           lang_path, script_dirent->d_name);
3048                                 read_script_info(desc, script_path);
3049                                 free(script_root);
3050                         }
3051                 }
3052         }
3053
3054         fprintf(stdout, "List of available trace scripts:\n");
3055         list_for_each_entry(desc, &script_descs, node) {
3056                 sprintf(first_half, "%s %s", desc->name,
3057                         desc->args ? desc->args : "");
3058                 fprintf(stdout, "  %-36s %s\n", first_half,
3059                         desc->half_liner ? desc->half_liner : "");
3060         }
3061
3062         exit(0);
3063 }
3064
3065 /*
3066  * Some scripts specify the required events in their "xxx-record" file,
3067  * this function will check if the events in perf.data match those
3068  * mentioned in the "xxx-record".
3069  *
3070  * Fixme: All existing "xxx-record" are all in good formats "-e event ",
3071  * which is covered well now. And new parsing code should be added to
3072  * cover the future complexing formats like event groups etc.
3073  */
3074 static int check_ev_match(char *dir_name, char *scriptname,
3075                         struct perf_session *session)
3076 {
3077         char filename[MAXPATHLEN], evname[128];
3078         char line[BUFSIZ], *p;
3079         struct evsel *pos;
3080         int match, len;
3081         FILE *fp;
3082
3083         scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
3084
3085         fp = fopen(filename, "r");
3086         if (!fp)
3087                 return -1;
3088
3089         while (fgets(line, sizeof(line), fp)) {
3090                 p = skip_spaces(line);
3091                 if (*p == '#')
3092                         continue;
3093
3094                 while (strlen(p)) {
3095                         p = strstr(p, "-e");
3096                         if (!p)
3097                                 break;
3098
3099                         p += 2;
3100                         p = skip_spaces(p);
3101                         len = strcspn(p, " \t");
3102                         if (!len)
3103                                 break;
3104
3105                         snprintf(evname, len + 1, "%s", p);
3106
3107                         match = 0;
3108                         evlist__for_each_entry(session->evlist, pos) {
3109                                 if (!strcmp(evsel__name(pos), evname)) {
3110                                         match = 1;
3111                                         break;
3112                                 }
3113                         }
3114
3115                         if (!match) {
3116                                 fclose(fp);
3117                                 return -1;
3118                         }
3119                 }
3120         }
3121
3122         fclose(fp);
3123         return 0;
3124 }
3125
3126 /*
3127  * Return -1 if none is found, otherwise the actual scripts number.
3128  *
3129  * Currently the only user of this function is the script browser, which
3130  * will list all statically runnable scripts, select one, execute it and
3131  * show the output in a perf browser.
3132  */
3133 int find_scripts(char **scripts_array, char **scripts_path_array, int num,
3134                  int pathlen)
3135 {
3136         struct dirent *script_dirent, *lang_dirent;
3137         char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
3138         DIR *scripts_dir, *lang_dir;
3139         struct perf_session *session;
3140         struct perf_data data = {
3141                 .path = input_name,
3142                 .mode = PERF_DATA_MODE_READ,
3143         };
3144         char *temp;
3145         int i = 0;
3146
3147         session = perf_session__new(&data, false, NULL);
3148         if (IS_ERR(session))
3149                 return PTR_ERR(session);
3150
3151         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3152
3153         scripts_dir = opendir(scripts_path);
3154         if (!scripts_dir) {
3155                 perf_session__delete(session);
3156                 return -1;
3157         }
3158
3159         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3160                 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
3161                           lang_dirent->d_name);
3162 #ifndef HAVE_LIBPERL_SUPPORT
3163                 if (strstr(lang_path, "perl"))
3164                         continue;
3165 #endif
3166 #ifndef HAVE_LIBPYTHON_SUPPORT
3167                 if (strstr(lang_path, "python"))
3168                         continue;
3169 #endif
3170
3171                 lang_dir = opendir(lang_path);
3172                 if (!lang_dir)
3173                         continue;
3174
3175                 for_each_script(lang_path, lang_dir, script_dirent) {
3176                         /* Skip those real time scripts: xxxtop.p[yl] */
3177                         if (strstr(script_dirent->d_name, "top."))
3178                                 continue;
3179                         if (i >= num)
3180                                 break;
3181                         snprintf(scripts_path_array[i], pathlen, "%s/%s",
3182                                 lang_path,
3183                                 script_dirent->d_name);
3184                         temp = strchr(script_dirent->d_name, '.');
3185                         snprintf(scripts_array[i],
3186                                 (temp - script_dirent->d_name) + 1,
3187                                 "%s", script_dirent->d_name);
3188
3189                         if (check_ev_match(lang_path,
3190                                         scripts_array[i], session))
3191                                 continue;
3192
3193                         i++;
3194                 }
3195                 closedir(lang_dir);
3196         }
3197
3198         closedir(scripts_dir);
3199         perf_session__delete(session);
3200         return i;
3201 }
3202
3203 static char *get_script_path(const char *script_root, const char *suffix)
3204 {
3205         struct dirent *script_dirent, *lang_dirent;
3206         char scripts_path[MAXPATHLEN];
3207         char script_path[MAXPATHLEN];
3208         DIR *scripts_dir, *lang_dir;
3209         char lang_path[MAXPATHLEN];
3210         char *__script_root;
3211
3212         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3213
3214         scripts_dir = opendir(scripts_path);
3215         if (!scripts_dir)
3216                 return NULL;
3217
3218         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3219                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3220                           lang_dirent->d_name);
3221                 lang_dir = opendir(lang_path);
3222                 if (!lang_dir)
3223                         continue;
3224
3225                 for_each_script(lang_path, lang_dir, script_dirent) {
3226                         __script_root = get_script_root(script_dirent, suffix);
3227                         if (__script_root && !strcmp(script_root, __script_root)) {
3228                                 free(__script_root);
3229                                 closedir(scripts_dir);
3230                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3231                                           lang_path, script_dirent->d_name);
3232                                 closedir(lang_dir);
3233                                 return strdup(script_path);
3234                         }
3235                         free(__script_root);
3236                 }
3237                 closedir(lang_dir);
3238         }
3239         closedir(scripts_dir);
3240
3241         return NULL;
3242 }
3243
3244 static bool is_top_script(const char *script_path)
3245 {
3246         return ends_with(script_path, "top") == NULL ? false : true;
3247 }
3248
3249 static int has_required_arg(char *script_path)
3250 {
3251         struct script_desc *desc;
3252         int n_args = 0;
3253         char *p;
3254
3255         desc = script_desc__new(NULL);
3256
3257         if (read_script_info(desc, script_path))
3258                 goto out;
3259
3260         if (!desc->args)
3261                 goto out;
3262
3263         for (p = desc->args; *p; p++)
3264                 if (*p == '<')
3265                         n_args++;
3266 out:
3267         script_desc__delete(desc);
3268
3269         return n_args;
3270 }
3271
3272 static int have_cmd(int argc, const char **argv)
3273 {
3274         char **__argv = malloc(sizeof(const char *) * argc);
3275
3276         if (!__argv) {
3277                 pr_err("malloc failed\n");
3278                 return -1;
3279         }
3280
3281         memcpy(__argv, argv, sizeof(const char *) * argc);
3282         argc = parse_options(argc, (const char **)__argv, record_options,
3283                              NULL, PARSE_OPT_STOP_AT_NON_OPTION);
3284         free(__argv);
3285
3286         system_wide = (argc == 0);
3287
3288         return 0;
3289 }
3290
3291 static void script__setup_sample_type(struct perf_script *script)
3292 {
3293         struct perf_session *session = script->session;
3294         u64 sample_type = evlist__combined_sample_type(session->evlist);
3295
3296         if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
3297                 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
3298                     (sample_type & PERF_SAMPLE_STACK_USER)) {
3299                         callchain_param.record_mode = CALLCHAIN_DWARF;
3300                         dwarf_callchain_users = true;
3301                 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
3302                         callchain_param.record_mode = CALLCHAIN_LBR;
3303                 else
3304                         callchain_param.record_mode = CALLCHAIN_FP;
3305         }
3306
3307         if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) {
3308                 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
3309                            "Please apply --call-graph lbr when recording.\n");
3310                 script->stitch_lbr = false;
3311         }
3312 }
3313
3314 static int process_stat_round_event(struct perf_session *session,
3315                                     union perf_event *event)
3316 {
3317         struct perf_record_stat_round *round = &event->stat_round;
3318         struct evsel *counter;
3319
3320         evlist__for_each_entry(session->evlist, counter) {
3321                 perf_stat_process_counter(&stat_config, counter);
3322                 process_stat(counter, round->time);
3323         }
3324
3325         process_stat_interval(round->time);
3326         return 0;
3327 }
3328
3329 static int process_stat_config_event(struct perf_session *session __maybe_unused,
3330                                      union perf_event *event)
3331 {
3332         perf_event__read_stat_config(&stat_config, &event->stat_config);
3333         return 0;
3334 }
3335
3336 static int set_maps(struct perf_script *script)
3337 {
3338         struct evlist *evlist = script->session->evlist;
3339
3340         if (!script->cpus || !script->threads)
3341                 return 0;
3342
3343         if (WARN_ONCE(script->allocated, "stats double allocation\n"))
3344                 return -EINVAL;
3345
3346         perf_evlist__set_maps(&evlist->core, script->cpus, script->threads);
3347
3348         if (evlist__alloc_stats(evlist, true))
3349                 return -ENOMEM;
3350
3351         script->allocated = true;
3352         return 0;
3353 }
3354
3355 static
3356 int process_thread_map_event(struct perf_session *session,
3357                              union perf_event *event)
3358 {
3359         struct perf_tool *tool = session->tool;
3360         struct perf_script *script = container_of(tool, struct perf_script, tool);
3361
3362         if (script->threads) {
3363                 pr_warning("Extra thread map event, ignoring.\n");
3364                 return 0;
3365         }
3366
3367         script->threads = thread_map__new_event(&event->thread_map);
3368         if (!script->threads)
3369                 return -ENOMEM;
3370
3371         return set_maps(script);
3372 }
3373
3374 static
3375 int process_cpu_map_event(struct perf_session *session,
3376                           union perf_event *event)
3377 {
3378         struct perf_tool *tool = session->tool;
3379         struct perf_script *script = container_of(tool, struct perf_script, tool);
3380
3381         if (script->cpus) {
3382                 pr_warning("Extra cpu map event, ignoring.\n");
3383                 return 0;
3384         }
3385
3386         script->cpus = cpu_map__new_data(&event->cpu_map.data);
3387         if (!script->cpus)
3388                 return -ENOMEM;
3389
3390         return set_maps(script);
3391 }
3392
3393 static int process_feature_event(struct perf_session *session,
3394                                  union perf_event *event)
3395 {
3396         if (event->feat.feat_id < HEADER_LAST_FEATURE)
3397                 return perf_event__process_feature(session, event);
3398         return 0;
3399 }
3400
3401 #ifdef HAVE_AUXTRACE_SUPPORT
3402 static int perf_script__process_auxtrace_info(struct perf_session *session,
3403                                               union perf_event *event)
3404 {
3405         struct perf_tool *tool = session->tool;
3406
3407         int ret = perf_event__process_auxtrace_info(session, event);
3408
3409         if (ret == 0) {
3410                 struct perf_script *script = container_of(tool, struct perf_script, tool);
3411
3412                 ret = perf_script__setup_per_event_dump(script);
3413         }
3414
3415         return ret;
3416 }
3417 #else
3418 #define perf_script__process_auxtrace_info 0
3419 #endif
3420
3421 static int parse_insn_trace(const struct option *opt __maybe_unused,
3422                             const char *str __maybe_unused,
3423                             int unset __maybe_unused)
3424 {
3425         parse_output_fields(NULL, "+insn,-event,-period", 0);
3426         itrace_parse_synth_opts(opt, "i0ns", 0);
3427         symbol_conf.nanosecs = true;
3428         return 0;
3429 }
3430
3431 static int parse_xed(const struct option *opt __maybe_unused,
3432                      const char *str __maybe_unused,
3433                      int unset __maybe_unused)
3434 {
3435         if (isatty(1))
3436                 force_pager("xed -F insn: -A -64 | less");
3437         else
3438                 force_pager("xed -F insn: -A -64");
3439         return 0;
3440 }
3441
3442 static int parse_call_trace(const struct option *opt __maybe_unused,
3443                             const char *str __maybe_unused,
3444                             int unset __maybe_unused)
3445 {
3446         parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
3447         itrace_parse_synth_opts(opt, "cewp", 0);
3448         symbol_conf.nanosecs = true;
3449         symbol_conf.pad_output_len_dso = 50;
3450         return 0;
3451 }
3452
3453 static int parse_callret_trace(const struct option *opt __maybe_unused,
3454                             const char *str __maybe_unused,
3455                             int unset __maybe_unused)
3456 {
3457         parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
3458         itrace_parse_synth_opts(opt, "crewp", 0);
3459         symbol_conf.nanosecs = true;
3460         return 0;
3461 }
3462
3463 int cmd_script(int argc, const char **argv)
3464 {
3465         bool show_full_info = false;
3466         bool header = false;
3467         bool header_only = false;
3468         bool script_started = false;
3469         char *rec_script_path = NULL;
3470         char *rep_script_path = NULL;
3471         struct perf_session *session;
3472         struct itrace_synth_opts itrace_synth_opts = {
3473                 .set = false,
3474                 .default_no_sample = true,
3475         };
3476         struct utsname uts;
3477         char *script_path = NULL;
3478         const char **__argv;
3479         int i, j, err = 0;
3480         struct perf_script script = {
3481                 .tool = {
3482                         .sample          = process_sample_event,
3483                         .mmap            = perf_event__process_mmap,
3484                         .mmap2           = perf_event__process_mmap2,
3485                         .comm            = perf_event__process_comm,
3486                         .namespaces      = perf_event__process_namespaces,
3487                         .cgroup          = perf_event__process_cgroup,
3488                         .exit            = perf_event__process_exit,
3489                         .fork            = perf_event__process_fork,
3490                         .attr            = process_attr,
3491                         .event_update   = perf_event__process_event_update,
3492                         .tracing_data    = perf_event__process_tracing_data,
3493                         .feature         = process_feature_event,
3494                         .build_id        = perf_event__process_build_id,
3495                         .id_index        = perf_event__process_id_index,
3496                         .auxtrace_info   = perf_script__process_auxtrace_info,
3497                         .auxtrace        = perf_event__process_auxtrace,
3498                         .auxtrace_error  = perf_event__process_auxtrace_error,
3499                         .stat            = perf_event__process_stat_event,
3500                         .stat_round      = process_stat_round_event,
3501                         .stat_config     = process_stat_config_event,
3502                         .thread_map      = process_thread_map_event,
3503                         .cpu_map         = process_cpu_map_event,
3504                         .ordered_events  = true,
3505                         .ordering_requires_timestamps = true,
3506                 },
3507         };
3508         struct perf_data data = {
3509                 .mode = PERF_DATA_MODE_READ,
3510         };
3511         const struct option options[] = {
3512         OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3513                     "dump raw trace in ASCII"),
3514         OPT_INCR('v', "verbose", &verbose,
3515                  "be more verbose (show symbol address, etc)"),
3516         OPT_BOOLEAN('L', "Latency", &latency_format,
3517                     "show latency attributes (irqs/preemption disabled, etc)"),
3518         OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3519                            list_available_scripts),
3520         OPT_CALLBACK('s', "script", NULL, "name",
3521                      "script file name (lang:script name, script name, or *)",
3522                      parse_scriptname),
3523         OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3524                    "generate perf-script.xx script in specified language"),
3525         OPT_STRING('i', "input", &input_name, "file", "input file name"),
3526         OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3527                    "do various checks like samples ordering and lost events"),
3528         OPT_BOOLEAN(0, "header", &header, "Show data header."),
3529         OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3530         OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3531                    "file", "vmlinux pathname"),
3532         OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3533                    "file", "kallsyms pathname"),
3534         OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3535                     "When printing symbols do not display call chain"),
3536         OPT_CALLBACK(0, "symfs", NULL, "directory",
3537                      "Look for files with symbols relative to this directory",
3538                      symbol__config_symfs),
3539         OPT_CALLBACK('F', "fields", NULL, "str",
3540                      "comma separated output fields prepend with 'type:'. "
3541                      "+field to add and -field to remove."
3542                      "Valid types: hw,sw,trace,raw,synth. "
3543                      "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
3544                      "addr,symoff,srcline,period,iregs,uregs,brstack,"
3545                      "brstacksym,flags,bpf-output,brstackinsn,brstackoff,"
3546                      "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc,tod,"
3547                      "data_page_size,code_page_size",
3548                      parse_output_fields),
3549         OPT_BOOLEAN('a', "all-cpus", &system_wide,
3550                     "system-wide collection from all CPUs"),
3551         OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
3552                    "only consider symbols in these DSOs"),
3553         OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3554                    "only consider these symbols"),
3555         OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL,
3556                         "Decode instructions from itrace", parse_insn_trace),
3557         OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
3558                         "Run xed disassembler on output", parse_xed),
3559         OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
3560                         "Decode calls from from itrace", parse_call_trace),
3561         OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
3562                         "Decode calls and returns from itrace", parse_callret_trace),
3563         OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",
3564                         "Only print symbols and callees with --call-trace/--call-ret-trace"),
3565         OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3566                    "Stop display of callgraph at these symbols"),
3567         OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3568         OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3569                    "only display events for these comms"),
3570         OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3571                    "only consider symbols in these pids"),
3572         OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3573                    "only consider symbols in these tids"),
3574         OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3575                      "Set the maximum stack depth when parsing the callchain, "
3576                      "anything beyond the specified depth will be ignored. "
3577                      "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3578         OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"),
3579         OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"),
3580         OPT_BOOLEAN('I', "show-info", &show_full_info,
3581                     "display extended information from perf.data file"),
3582         OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3583                     "Show the path of [kernel.kallsyms]"),
3584         OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3585                     "Show the fork/comm/exit events"),
3586         OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3587                     "Show the mmap events"),
3588         OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3589                     "Show context switch events (if recorded)"),
3590         OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3591                     "Show namespace events (if recorded)"),
3592         OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events,
3593                     "Show cgroup events (if recorded)"),
3594         OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3595                     "Show lost events (if recorded)"),
3596         OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3597                     "Show round events (if recorded)"),
3598         OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events,
3599                     "Show bpf related events (if recorded)"),
3600         OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events,
3601                     "Show text poke related events (if recorded)"),
3602         OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
3603                     "Dump trace output to files named by the monitored events"),
3604         OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3605         OPT_INTEGER(0, "max-blocks", &max_blocks,
3606                     "Maximum number of code blocks to dump with brstackinsn"),
3607         OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs,
3608                     "Use 9 decimal places when displaying time"),
3609         OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
3610                             "Instruction Tracing options\n" ITRACE_HELP,
3611                             itrace_parse_synth_opts),
3612         OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
3613                         "Show full source file name path for source lines"),
3614         OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
3615                         "Enable symbol demangling"),
3616         OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
3617                         "Enable kernel symbol demangling"),
3618         OPT_STRING(0, "time", &script.time_str, "str",
3619                    "Time span of interest (start,stop)"),
3620         OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
3621                     "Show inline function"),
3622         OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
3623                    "guest mount directory under which every guest os"
3624                    " instance has a subdir"),
3625         OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name,
3626                    "file", "file saving guest os vmlinux"),
3627         OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms,
3628                    "file", "file saving guest os /proc/kallsyms"),
3629         OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
3630                    "file", "file saving guest os /proc/modules"),
3631         OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr,
3632                     "Enable LBR callgraph stitching approach"),
3633         OPTS_EVSWITCH(&script.evswitch),
3634         OPT_END()
3635         };
3636         const char * const script_subcommands[] = { "record", "report", NULL };
3637         const char *script_usage[] = {
3638                 "perf script [<options>]",
3639                 "perf script [<options>] record <script> [<record-options>] <command>",
3640                 "perf script [<options>] report <script> [script-args]",
3641                 "perf script [<options>] <script> [<record-options>] <command>",
3642                 "perf script [<options>] <top-script> [script-args]",
3643                 NULL
3644         };
3645
3646         perf_set_singlethreaded();
3647
3648         setup_scripting();
3649
3650         argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3651                              PARSE_OPT_STOP_AT_NON_OPTION);
3652
3653         if (symbol_conf.guestmount ||
3654             symbol_conf.default_guest_vmlinux_name ||
3655             symbol_conf.default_guest_kallsyms ||
3656             symbol_conf.default_guest_modules) {
3657                 /*
3658                  * Enable guest sample processing.
3659                  */
3660                 perf_guest = true;
3661         }
3662
3663         data.path  = input_name;
3664         data.force = symbol_conf.force;
3665
3666         if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
3667                 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
3668                 if (!rec_script_path)
3669                         return cmd_record(argc, argv);
3670         }
3671
3672         if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
3673                 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
3674                 if (!rep_script_path) {
3675                         fprintf(stderr,
3676                                 "Please specify a valid report script"
3677                                 "(see 'perf script -l' for listing)\n");
3678                         return -1;
3679                 }
3680         }
3681
3682         if (reltime && deltatime) {
3683                 fprintf(stderr,
3684                         "reltime and deltatime - the two don't get along well. "
3685                         "Please limit to --reltime or --deltatime.\n");
3686                 return -1;
3687         }
3688
3689         if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) &&
3690             itrace_synth_opts.callchain_sz > scripting_max_stack)
3691                 scripting_max_stack = itrace_synth_opts.callchain_sz;
3692
3693         /* make sure PERF_EXEC_PATH is set for scripts */
3694         set_argv_exec_path(get_argv_exec_path());
3695
3696         if (argc && !script_name && !rec_script_path && !rep_script_path) {
3697                 int live_pipe[2];
3698                 int rep_args;
3699                 pid_t pid;
3700
3701                 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
3702                 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
3703
3704                 if (!rec_script_path && !rep_script_path) {
3705                         usage_with_options_msg(script_usage, options,
3706                                 "Couldn't find script `%s'\n\n See perf"
3707                                 " script -l for available scripts.\n", argv[0]);
3708                 }
3709
3710                 if (is_top_script(argv[0])) {
3711                         rep_args = argc - 1;
3712                 } else {
3713                         int rec_args;
3714
3715                         rep_args = has_required_arg(rep_script_path);
3716                         rec_args = (argc - 1) - rep_args;
3717                         if (rec_args < 0) {
3718                                 usage_with_options_msg(script_usage, options,
3719                                         "`%s' script requires options."
3720                                         "\n\n See perf script -l for available "
3721                                         "scripts and options.\n", argv[0]);
3722                         }
3723                 }
3724
3725                 if (pipe(live_pipe) < 0) {
3726                         perror("failed to create pipe");
3727                         return -1;
3728                 }
3729
3730                 pid = fork();
3731                 if (pid < 0) {
3732                         perror("failed to fork");
3733                         return -1;
3734                 }
3735
3736                 if (!pid) {
3737                         j = 0;
3738
3739                         dup2(live_pipe[1], 1);
3740                         close(live_pipe[0]);
3741
3742                         if (is_top_script(argv[0])) {
3743                                 system_wide = true;
3744                         } else if (!system_wide) {
3745                                 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
3746                                         err = -1;
3747                                         goto out;
3748                                 }
3749                         }
3750
3751                         __argv = malloc((argc + 6) * sizeof(const char *));
3752                         if (!__argv) {
3753                                 pr_err("malloc failed\n");
3754                                 err = -ENOMEM;
3755                                 goto out;
3756                         }
3757
3758                         __argv[j++] = "/bin/sh";
3759                         __argv[j++] = rec_script_path;
3760                         if (system_wide)
3761                                 __argv[j++] = "-a";
3762                         __argv[j++] = "-q";
3763                         __argv[j++] = "-o";
3764                         __argv[j++] = "-";
3765                         for (i = rep_args + 1; i < argc; i++)
3766                                 __argv[j++] = argv[i];
3767                         __argv[j++] = NULL;
3768
3769                         execvp("/bin/sh", (char **)__argv);
3770                         free(__argv);
3771                         exit(-1);
3772                 }
3773
3774                 dup2(live_pipe[0], 0);
3775                 close(live_pipe[1]);
3776
3777                 __argv = malloc((argc + 4) * sizeof(const char *));
3778                 if (!__argv) {
3779                         pr_err("malloc failed\n");
3780                         err = -ENOMEM;
3781                         goto out;
3782                 }
3783
3784                 j = 0;
3785                 __argv[j++] = "/bin/sh";
3786                 __argv[j++] = rep_script_path;
3787                 for (i = 1; i < rep_args + 1; i++)
3788                         __argv[j++] = argv[i];
3789                 __argv[j++] = "-i";
3790                 __argv[j++] = "-";
3791                 __argv[j++] = NULL;
3792
3793                 execvp("/bin/sh", (char **)__argv);
3794                 free(__argv);
3795                 exit(-1);
3796         }
3797
3798         if (rec_script_path)
3799                 script_path = rec_script_path;
3800         if (rep_script_path)
3801                 script_path = rep_script_path;
3802
3803         if (script_path) {
3804                 j = 0;
3805
3806                 if (!rec_script_path)
3807                         system_wide = false;
3808                 else if (!system_wide) {
3809                         if (have_cmd(argc - 1, &argv[1]) != 0) {
3810                                 err = -1;
3811                                 goto out;
3812                         }
3813                 }
3814
3815                 __argv = malloc((argc + 2) * sizeof(const char *));
3816                 if (!__argv) {
3817                         pr_err("malloc failed\n");
3818                         err = -ENOMEM;
3819                         goto out;
3820                 }
3821
3822                 __argv[j++] = "/bin/sh";
3823                 __argv[j++] = script_path;
3824                 if (system_wide)
3825                         __argv[j++] = "-a";
3826                 for (i = 2; i < argc; i++)
3827                         __argv[j++] = argv[i];
3828                 __argv[j++] = NULL;
3829
3830                 execvp("/bin/sh", (char **)__argv);
3831                 free(__argv);
3832                 exit(-1);
3833         }
3834
3835         if (!script_name) {
3836                 setup_pager();
3837                 use_browser = 0;
3838         }
3839
3840         session = perf_session__new(&data, false, &script.tool);
3841         if (IS_ERR(session))
3842                 return PTR_ERR(session);
3843
3844         if (header || header_only) {
3845                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
3846                 perf_session__fprintf_info(session, stdout, show_full_info);
3847                 if (header_only)
3848                         goto out_delete;
3849         }
3850         if (show_full_info)
3851                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
3852
3853         if (symbol__init(&session->header.env) < 0)
3854                 goto out_delete;
3855
3856         uname(&uts);
3857         if (data.is_pipe ||  /* assume pipe_mode indicates native_arch */
3858             !strcmp(uts.machine, session->header.env.arch) ||
3859             (!strcmp(uts.machine, "x86_64") &&
3860              !strcmp(session->header.env.arch, "i386")))
3861                 native_arch = true;
3862
3863         script.session = session;
3864         script__setup_sample_type(&script);
3865
3866         if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) ||
3867             symbol_conf.graph_function)
3868                 itrace_synth_opts.thread_stack = true;
3869
3870         session->itrace_synth_opts = &itrace_synth_opts;
3871
3872         if (cpu_list) {
3873                 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
3874                 if (err < 0)
3875                         goto out_delete;
3876                 itrace_synth_opts.cpu_bitmap = cpu_bitmap;
3877         }
3878
3879         if (!no_callchain)
3880                 symbol_conf.use_callchain = true;
3881         else
3882                 symbol_conf.use_callchain = false;
3883
3884         if (session->tevent.pevent &&
3885             tep_set_function_resolver(session->tevent.pevent,
3886                                       machine__resolve_kernel_addr,
3887                                       &session->machines.host) < 0) {
3888                 pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
3889                 err = -1;
3890                 goto out_delete;
3891         }
3892
3893         if (generate_script_lang) {
3894                 struct stat perf_stat;
3895                 int input;
3896
3897                 if (output_set_by_user()) {
3898                         fprintf(stderr,
3899                                 "custom fields not supported for generated scripts");
3900                         err = -EINVAL;
3901                         goto out_delete;
3902                 }
3903
3904                 input = open(data.path, O_RDONLY);      /* input_name */
3905                 if (input < 0) {
3906                         err = -errno;
3907                         perror("failed to open file");
3908                         goto out_delete;
3909                 }
3910
3911                 err = fstat(input, &perf_stat);
3912                 if (err < 0) {
3913                         perror("failed to stat file");
3914                         goto out_delete;
3915                 }
3916
3917                 if (!perf_stat.st_size) {
3918                         fprintf(stderr, "zero-sized file, nothing to do!\n");
3919                         goto out_delete;
3920                 }
3921
3922                 scripting_ops = script_spec__lookup(generate_script_lang);
3923                 if (!scripting_ops) {
3924                         fprintf(stderr, "invalid language specifier");
3925                         err = -ENOENT;
3926                         goto out_delete;
3927                 }
3928
3929                 err = scripting_ops->generate_script(session->tevent.pevent,
3930                                                      "perf-script");
3931                 goto out_delete;
3932         }
3933
3934         if (script_name) {
3935                 err = scripting_ops->start_script(script_name, argc, argv);
3936                 if (err)
3937                         goto out_delete;
3938                 pr_debug("perf script started with script %s\n\n", script_name);
3939                 script_started = true;
3940         }
3941
3942
3943         err = perf_session__check_output_opt(session);
3944         if (err < 0)
3945                 goto out_delete;
3946
3947         if (script.time_str) {
3948                 err = perf_time__parse_for_ranges_reltime(script.time_str, session,
3949                                                   &script.ptime_range,
3950                                                   &script.range_size,
3951                                                   &script.range_num,
3952                                                   reltime);
3953                 if (err < 0)
3954                         goto out_delete;
3955
3956                 itrace_synth_opts__set_time_range(&itrace_synth_opts,
3957                                                   script.ptime_range,
3958                                                   script.range_num);
3959         }
3960
3961         err = evswitch__init(&script.evswitch, session->evlist, stderr);
3962         if (err)
3963                 goto out_delete;
3964
3965         if (zstd_init(&(session->zstd_data), 0) < 0)
3966                 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n");
3967
3968         err = __cmd_script(&script);
3969
3970         flush_scripting();
3971
3972 out_delete:
3973         if (script.ptime_range) {
3974                 itrace_synth_opts__clear_time_range(&itrace_synth_opts);
3975                 zfree(&script.ptime_range);
3976         }
3977
3978         evlist__free_stats(session->evlist);
3979         perf_session__delete(session);
3980
3981         if (script_started)
3982                 cleanup_scripting();
3983 out:
3984         return err;
3985 }