tools/perf/builtin-script.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include "builtin.h"
   3
   4 #include "util/counts.h"
   5 #include "util/debug.h"
   6 #include "util/dso.h"
   7 #include <subcmd/exec-cmd.h>
   8 #include "util/header.h"
   9 #include <subcmd/parse-options.h>
  10 #include "util/perf_regs.h"
  11 #include "util/session.h"
  12 #include "util/tool.h"
  13 #include "util/map.h"
  14 #include "util/srcline.h"
  15 #include "util/symbol.h"
  16 #include "util/thread.h"
  17 #include "util/trace-event.h"
  18 #include "util/evlist.h"
  19 #include "util/evsel.h"
  20 #include "util/evsel_fprintf.h"
  21 #include "util/evswitch.h"
  22 #include "util/sort.h"
  23 #include "util/data.h"
  24 #include "util/auxtrace.h"
  25 #include "util/cpumap.h"
  26 #include "util/thread_map.h"
  27 #include "util/stat.h"
  28 #include "util/color.h"
  29 #include "util/string2.h"
  30 #include "util/thread-stack.h"
  31 #include "util/time-utils.h"
  32 #include "util/path.h"
  33 #include "util/event.h"
  34 #include "ui/ui.h"
  35 #include "print_binary.h"
  36 #include "archinsn.h"
  37 #include <linux/bitmap.h>
  38 #include <linux/kernel.h>
  39 #include <linux/stringify.h>
  40 #include <linux/time64.h>
  41 #include <linux/zalloc.h>
  42 #include <sys/utsname.h>
  43 #include "asm/bug.h"
  44 #include "util/mem-events.h"
  45 #include "util/dump-insn.h"
  46 #include <dirent.h>
  47 #include <errno.h>
  48 #include <inttypes.h>
  49 #include <signal.h>
  50 #include <sys/param.h>
  51 #include <sys/types.h>
  52 #include <sys/stat.h>
  53 #include <fcntl.h>
  54 #include <unistd.h>
  55 #include <subcmd/pager.h>
  56 #include <perf/evlist.h>
  57 #include <linux/err.h>
  58 #include "util/record.h"
  59 #include "util/util.h"
  60 #include "perf.h"
  61
  62 #include <linux/ctype.h>
  63
  64 static char const               *script_name;
  65 static char const               *generate_script_lang;
  66 static bool                     reltime;
  67 static bool                     deltatime;
  68 static u64                      initial_time;
  69 static u64                      previous_time;
  70 static bool                     debug_mode;
  71 static u64                      last_timestamp;
  72 static u64                      nr_unordered;
  73 static bool                     no_callchain;
  74 static bool                     latency_format;
  75 static bool                     system_wide;
  76 static bool                     print_flags;
  77 static const char               *cpu_list;
  78 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
  79 static struct perf_stat_config  stat_config;
  80 static int                      max_blocks;
  81 static bool                     native_arch;
  82
  83 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
  84
  85 enum perf_output_field {
  86         PERF_OUTPUT_COMM            = 1ULL << 0,
  87         PERF_OUTPUT_TID             = 1ULL << 1,
  88         PERF_OUTPUT_PID             = 1ULL << 2,
  89         PERF_OUTPUT_TIME            = 1ULL << 3,
  90         PERF_OUTPUT_CPU             = 1ULL << 4,
  91         PERF_OUTPUT_EVNAME          = 1ULL << 5,
  92         PERF_OUTPUT_TRACE           = 1ULL << 6,
  93         PERF_OUTPUT_IP              = 1ULL << 7,
  94         PERF_OUTPUT_SYM             = 1ULL << 8,
  95         PERF_OUTPUT_DSO             = 1ULL << 9,
  96         PERF_OUTPUT_ADDR            = 1ULL << 10,
  97         PERF_OUTPUT_SYMOFFSET       = 1ULL << 11,
  98         PERF_OUTPUT_SRCLINE         = 1ULL << 12,
  99         PERF_OUTPUT_PERIOD          = 1ULL << 13,
 100         PERF_OUTPUT_IREGS           = 1ULL << 14,
 101         PERF_OUTPUT_BRSTACK         = 1ULL << 15,
 102         PERF_OUTPUT_BRSTACKSYM      = 1ULL << 16,
 103         PERF_OUTPUT_DATA_SRC        = 1ULL << 17,
 104         PERF_OUTPUT_WEIGHT          = 1ULL << 18,
 105         PERF_OUTPUT_BPF_OUTPUT      = 1ULL << 19,
 106         PERF_OUTPUT_CALLINDENT      = 1ULL << 20,
 107         PERF_OUTPUT_INSN            = 1ULL << 21,
 108         PERF_OUTPUT_INSNLEN         = 1ULL << 22,
 109         PERF_OUTPUT_BRSTACKINSN     = 1ULL << 23,
 110         PERF_OUTPUT_BRSTACKOFF      = 1ULL << 24,
 111         PERF_OUTPUT_SYNTH           = 1ULL << 25,
 112         PERF_OUTPUT_PHYS_ADDR       = 1ULL << 26,
 113         PERF_OUTPUT_UREGS           = 1ULL << 27,
 114         PERF_OUTPUT_METRIC          = 1ULL << 28,
 115         PERF_OUTPUT_MISC            = 1ULL << 29,
 116         PERF_OUTPUT_SRCCODE         = 1ULL << 30,
 117         PERF_OUTPUT_IPC             = 1ULL << 31,
 118         PERF_OUTPUT_TOD             = 1ULL << 32,
 119         PERF_OUTPUT_DATA_PAGE_SIZE  = 1ULL << 33,
 120 };
 121
 122 struct perf_script {
 123         struct perf_tool        tool;
 124         struct perf_session     *session;
 125         bool                    show_task_events;
 126         bool                    show_mmap_events;
 127         bool                    show_switch_events;
 128         bool                    show_namespace_events;
 129         bool                    show_lost_events;
 130         bool                    show_round_events;
 131         bool                    show_bpf_events;
 132         bool                    show_cgroup_events;
 133         bool                    show_text_poke_events;
 134         bool                    allocated;
 135         bool                    per_event_dump;
 136         bool                    stitch_lbr;
 137         struct evswitch         evswitch;
 138         struct perf_cpu_map     *cpus;
 139         struct perf_thread_map *threads;
 140         int                     name_width;
 141         const char              *time_str;
 142         struct perf_time_interval *ptime_range;
 143         int                     range_size;
 144         int                     range_num;
 145 };
 146
 147 struct output_option {
 148         const char *str;
 149         enum perf_output_field field;
 150 } all_output_options[] = {
 151         {.str = "comm",  .field = PERF_OUTPUT_COMM},
 152         {.str = "tid",   .field = PERF_OUTPUT_TID},
 153         {.str = "pid",   .field = PERF_OUTPUT_PID},
 154         {.str = "time",  .field = PERF_OUTPUT_TIME},
 155         {.str = "cpu",   .field = PERF_OUTPUT_CPU},
 156         {.str = "event", .field = PERF_OUTPUT_EVNAME},
 157         {.str = "trace", .field = PERF_OUTPUT_TRACE},
 158         {.str = "ip",    .field = PERF_OUTPUT_IP},
 159         {.str = "sym",   .field = PERF_OUTPUT_SYM},
 160         {.str = "dso",   .field = PERF_OUTPUT_DSO},
 161         {.str = "addr",  .field = PERF_OUTPUT_ADDR},
 162         {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
 163         {.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
 164         {.str = "period", .field = PERF_OUTPUT_PERIOD},
 165         {.str = "iregs", .field = PERF_OUTPUT_IREGS},
 166         {.str = "uregs", .field = PERF_OUTPUT_UREGS},
 167         {.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
 168         {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
 169         {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
 170         {.str = "weight",   .field = PERF_OUTPUT_WEIGHT},
 171         {.str = "bpf-output",   .field = PERF_OUTPUT_BPF_OUTPUT},
 172         {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
 173         {.str = "insn", .field = PERF_OUTPUT_INSN},
 174         {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
 175         {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
 176         {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
 177         {.str = "synth", .field = PERF_OUTPUT_SYNTH},
 178         {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
 179         {.str = "metric", .field = PERF_OUTPUT_METRIC},
 180         {.str = "misc", .field = PERF_OUTPUT_MISC},
 181         {.str = "srccode", .field = PERF_OUTPUT_SRCCODE},
 182         {.str = "ipc", .field = PERF_OUTPUT_IPC},
 183         {.str = "tod", .field = PERF_OUTPUT_TOD},
 184         {.str = "data_page_size", .field = PERF_OUTPUT_DATA_PAGE_SIZE},
 185 };
 186
 187 enum {
 188         OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
 189         OUTPUT_TYPE_OTHER,
 190         OUTPUT_TYPE_MAX
 191 };
 192
 193 /* default set to maintain compatibility with current format */
 194 static struct {
 195         bool user_set;
 196         bool wildcard_set;
 197         unsigned int print_ip_opts;
 198         u64 fields;
 199         u64 invalid_fields;
 200         u64 user_set_fields;
 201         u64 user_unset_fields;
 202 } output[OUTPUT_TYPE_MAX] = {
 203
 204         [PERF_TYPE_HARDWARE] = {
 205                 .user_set = false,
 206
 207                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 208                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 209                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 210                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 211                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 212
 213                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 214         },
 215
 216         [PERF_TYPE_SOFTWARE] = {
 217                 .user_set = false,
 218
 219                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 220                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 221                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 222                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 223                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
 224                               PERF_OUTPUT_BPF_OUTPUT,
 225
 226                 .invalid_fields = PERF_OUTPUT_TRACE,
 227         },
 228
 229         [PERF_TYPE_TRACEPOINT] = {
 230                 .user_set = false,
 231
 232                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 233                                   PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 234                                   PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
 235         },
 236
 237         [PERF_TYPE_HW_CACHE] = {
 238                 .user_set = false,
 239
 240                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 241                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 242                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 243                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 244                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 245
 246                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 247         },
 248
 249         [PERF_TYPE_RAW] = {
 250                 .user_set = false,
 251
 252                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 253                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 254                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 255                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 256                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
 257                               PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
 258                               PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR |
 259                               PERF_OUTPUT_DATA_PAGE_SIZE,
 260
 261                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 262         },
 263
 264         [PERF_TYPE_BREAKPOINT] = {
 265                 .user_set = false,
 266
 267                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 268                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 269                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 270                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 271                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 272
 273                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 274         },
 275
 276         [OUTPUT_TYPE_SYNTH] = {
 277                 .user_set = false,
 278
 279                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 280                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 281                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 282                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 283                               PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH,
 284
 285                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 286         },
 287
 288         [OUTPUT_TYPE_OTHER] = {
 289                 .user_set = false,
 290
 291                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 292                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 293                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 294                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 295                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 296
 297                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 298         },
 299 };
 300
 301 struct evsel_script {
 302        char *filename;
 303        FILE *fp;
 304        u64  samples;
 305        /* For metric output */
 306        u64  val;
 307        int  gnum;
 308 };
 309
 310 static inline struct evsel_script *evsel_script(struct evsel *evsel)
 311 {
 312         return (struct evsel_script *)evsel->priv;
 313 }
 314
 315 static struct evsel_script *perf_evsel_script__new(struct evsel *evsel,
 316                                                         struct perf_data *data)
 317 {
 318         struct evsel_script *es = zalloc(sizeof(*es));
 319
 320         if (es != NULL) {
 321                 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0)
 322                         goto out_free;
 323                 es->fp = fopen(es->filename, "w");
 324                 if (es->fp == NULL)
 325                         goto out_free_filename;
 326         }
 327
 328         return es;
 329 out_free_filename:
 330         zfree(&es->filename);
 331 out_free:
 332         free(es);
 333         return NULL;
 334 }
 335
 336 static void perf_evsel_script__delete(struct evsel_script *es)
 337 {
 338         zfree(&es->filename);
 339         fclose(es->fp);
 340         es->fp = NULL;
 341         free(es);
 342 }
 343
 344 static int perf_evsel_script__fprintf(struct evsel_script *es, FILE *fp)
 345 {
 346         struct stat st;
 347
 348         fstat(fileno(es->fp), &st);
 349         return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
 350                        st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
 351 }
 352
 353 static inline int output_type(unsigned int type)
 354 {
 355         switch (type) {
 356         case PERF_TYPE_SYNTH:
 357                 return OUTPUT_TYPE_SYNTH;
 358         default:
 359                 if (type < PERF_TYPE_MAX)
 360                         return type;
 361         }
 362
 363         return OUTPUT_TYPE_OTHER;
 364 }
 365
 366 static inline unsigned int attr_type(unsigned int type)
 367 {
 368         switch (type) {
 369         case OUTPUT_TYPE_SYNTH:
 370                 return PERF_TYPE_SYNTH;
 371         default:
 372                 return type;
 373         }
 374 }
 375
 376 static bool output_set_by_user(void)
 377 {
 378         int j;
 379         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 380                 if (output[j].user_set)
 381                         return true;
 382         }
 383         return false;
 384 }
 385
 386 static const char *output_field2str(enum perf_output_field field)
 387 {
 388         int i, imax = ARRAY_SIZE(all_output_options);
 389         const char *str = "";
 390
 391         for (i = 0; i < imax; ++i) {
 392                 if (all_output_options[i].field == field) {
 393                         str = all_output_options[i].str;
 394                         break;
 395                 }
 396         }
 397         return str;
 398 }
 399
 400 #define PRINT_FIELD(x)  (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
 401
 402 static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
 403                                  enum perf_output_field field, bool allow_user_set)
 404 {
 405         struct perf_event_attr *attr = &evsel->core.attr;
 406         int type = output_type(attr->type);
 407         const char *evname;
 408
 409         if (attr->sample_type & sample_type)
 410                 return 0;
 411
 412         if (output[type].user_set_fields & field) {
 413                 if (allow_user_set)
 414                         return 0;
 415                 evname = evsel__name(evsel);
 416                 pr_err("Samples for '%s' event do not have %s attribute set. "
 417                        "Cannot print '%s' field.\n",
 418                        evname, sample_msg, output_field2str(field));
 419                 return -1;
 420         }
 421
 422         /* user did not ask for it explicitly so remove from the default list */
 423         output[type].fields &= ~field;
 424         evname = evsel__name(evsel);
 425         pr_debug("Samples for '%s' event do not have %s attribute set. "
 426                  "Skipping '%s' field.\n",
 427                  evname, sample_msg, output_field2str(field));
 428
 429         return 0;
 430 }
 431
 432 static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
 433                               enum perf_output_field field)
 434 {
 435         return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false);
 436 }
 437
 438 static int evsel__check_attr(struct evsel *evsel, struct perf_session *session)
 439 {
 440         struct perf_event_attr *attr = &evsel->core.attr;
 441         bool allow_user_set;
 442
 443         if (perf_header__has_feat(&session->header, HEADER_STAT))
 444                 return 0;
 445
 446         allow_user_set = perf_header__has_feat(&session->header,
 447                                                HEADER_AUXTRACE);
 448
 449         if (PRINT_FIELD(TRACE) &&
 450             !perf_session__has_traces(session, "record -R"))
 451                 return -EINVAL;
 452
 453         if (PRINT_FIELD(IP)) {
 454                 if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP))
 455                         return -EINVAL;
 456         }
 457
 458         if (PRINT_FIELD(ADDR) &&
 459             evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set))
 460                 return -EINVAL;
 461
 462         if (PRINT_FIELD(DATA_SRC) &&
 463             evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC))
 464                 return -EINVAL;
 465
 466         if (PRINT_FIELD(WEIGHT) &&
 467             evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT", PERF_OUTPUT_WEIGHT))
 468                 return -EINVAL;
 469
 470         if (PRINT_FIELD(SYM) &&
 471             !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
 472                 pr_err("Display of symbols requested but neither sample IP nor "
 473                            "sample address\navailable. Hence, no addresses to convert "
 474                        "to symbols.\n");
 475                 return -EINVAL;
 476         }
 477         if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
 478                 pr_err("Display of offsets requested but symbol is not"
 479                        "selected.\n");
 480                 return -EINVAL;
 481         }
 482         if (PRINT_FIELD(DSO) &&
 483             !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
 484                 pr_err("Display of DSO requested but no address to convert.\n");
 485                 return -EINVAL;
 486         }
 487         if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) {
 488                 pr_err("Display of source line number requested but sample IP is not\n"
 489                        "selected. Hence, no address to lookup the source line number.\n");
 490                 return -EINVAL;
 491         }
 492         if (PRINT_FIELD(BRSTACKINSN) && !allow_user_set &&
 493             !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) {
 494                 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
 495                        "Hint: run 'perf record -b ...'\n");
 496                 return -EINVAL;
 497         }
 498         if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
 499             evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID))
 500                 return -EINVAL;
 501
 502         if (PRINT_FIELD(TIME) &&
 503             evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME))
 504                 return -EINVAL;
 505
 506         if (PRINT_FIELD(CPU) &&
 507             evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set))
 508                 return -EINVAL;
 509
 510         if (PRINT_FIELD(IREGS) &&
 511             evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set))
 512                 return -EINVAL;
 513
 514         if (PRINT_FIELD(UREGS) &&
 515             evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS))
 516                 return -EINVAL;
 517
 518         if (PRINT_FIELD(PHYS_ADDR) &&
 519             evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR))
 520                 return -EINVAL;
 521
 522         if (PRINT_FIELD(DATA_PAGE_SIZE) &&
 523             evsel__check_stype(evsel, PERF_SAMPLE_DATA_PAGE_SIZE, "DATA_PAGE_SIZE", PERF_OUTPUT_DATA_PAGE_SIZE))
 524                 return -EINVAL;
 525
 526         return 0;
 527 }
 528
 529 static void set_print_ip_opts(struct perf_event_attr *attr)
 530 {
 531         unsigned int type = output_type(attr->type);
 532
 533         output[type].print_ip_opts = 0;
 534         if (PRINT_FIELD(IP))
 535                 output[type].print_ip_opts |= EVSEL__PRINT_IP;
 536
 537         if (PRINT_FIELD(SYM))
 538                 output[type].print_ip_opts |= EVSEL__PRINT_SYM;
 539
 540         if (PRINT_FIELD(DSO))
 541                 output[type].print_ip_opts |= EVSEL__PRINT_DSO;
 542
 543         if (PRINT_FIELD(SYMOFFSET))
 544                 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
 545
 546         if (PRINT_FIELD(SRCLINE))
 547                 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
 548 }
 549
 550 /*
 551  * verify all user requested events exist and the samples
 552  * have the expected data
 553  */
 554 static int perf_session__check_output_opt(struct perf_session *session)
 555 {
 556         bool tod = false;
 557         unsigned int j;
 558         struct evsel *evsel;
 559
 560         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 561                 evsel = perf_session__find_first_evtype(session, attr_type(j));
 562
 563                 /*
 564                  * even if fields is set to 0 (ie., show nothing) event must
 565                  * exist if user explicitly includes it on the command line
 566                  */
 567                 if (!evsel && output[j].user_set && !output[j].wildcard_set &&
 568                     j != OUTPUT_TYPE_SYNTH) {
 569                         pr_err("%s events do not exist. "
 570                                "Remove corresponding -F option to proceed.\n",
 571                                event_type(j));
 572                         return -1;
 573                 }
 574
 575                 if (evsel && output[j].fields &&
 576                         evsel__check_attr(evsel, session))
 577                         return -1;
 578
 579                 if (evsel == NULL)
 580                         continue;
 581
 582                 set_print_ip_opts(&evsel->core.attr);
 583                 tod |= output[j].fields & PERF_OUTPUT_TOD;
 584         }
 585
 586         if (!no_callchain) {
 587                 bool use_callchain = false;
 588                 bool not_pipe = false;
 589
 590                 evlist__for_each_entry(session->evlist, evsel) {
 591                         not_pipe = true;
 592                         if (evsel__has_callchain(evsel)) {
 593                                 use_callchain = true;
 594                                 break;
 595                         }
 596                 }
 597                 if (not_pipe && !use_callchain)
 598                         symbol_conf.use_callchain = false;
 599         }
 600
 601         /*
 602          * set default for tracepoints to print symbols only
 603          * if callchains are present
 604          */
 605         if (symbol_conf.use_callchain &&
 606             !output[PERF_TYPE_TRACEPOINT].user_set) {
 607                 j = PERF_TYPE_TRACEPOINT;
 608
 609                 evlist__for_each_entry(session->evlist, evsel) {
 610                         if (evsel->core.attr.type != j)
 611                                 continue;
 612
 613                         if (evsel__has_callchain(evsel)) {
 614                                 output[j].fields |= PERF_OUTPUT_IP;
 615                                 output[j].fields |= PERF_OUTPUT_SYM;
 616                                 output[j].fields |= PERF_OUTPUT_SYMOFFSET;
 617                                 output[j].fields |= PERF_OUTPUT_DSO;
 618                                 set_print_ip_opts(&evsel->core.attr);
 619                                 goto out;
 620                         }
 621                 }
 622         }
 623
 624         if (tod && !session->header.env.clock.enabled) {
 625                 pr_err("Can't provide 'tod' time, missing clock data. "
 626                        "Please record with -k/--clockid option.\n");
 627                 return -1;
 628         }
 629 out:
 630         return 0;
 631 }
 632
 633 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask,
 634                                      FILE *fp)
 635 {
 636         unsigned i = 0, r;
 637         int printed = 0;
 638
 639         if (!regs || !regs->regs)
 640                 return 0;
 641
 642         printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
 643
 644         for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
 645                 u64 val = regs->regs[i++];
 646                 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
 647         }
 648
 649         return printed;
 650 }
 651
 652 #define DEFAULT_TOD_FMT "%F %H:%M:%S"
 653
 654 static char*
 655 tod_scnprintf(struct perf_script *script, char *buf, int buflen,
 656              u64 timestamp)
 657 {
 658         u64 tod_ns, clockid_ns;
 659         struct perf_env *env;
 660         unsigned long nsec;
 661         struct tm ltime;
 662         char date[64];
 663         time_t sec;
 664
 665         buf[0] = '\0';
 666         if (buflen < 64 || !script)
 667                 return buf;
 668
 669         env = &script->session->header.env;
 670         if (!env->clock.enabled) {
 671                 scnprintf(buf, buflen, "disabled");
 672                 return buf;
 673         }
 674
 675         clockid_ns = env->clock.clockid_ns;
 676         tod_ns     = env->clock.tod_ns;
 677
 678         if (timestamp > clockid_ns)
 679                 tod_ns += timestamp - clockid_ns;
 680         else
 681                 tod_ns -= clockid_ns - timestamp;
 682
 683         sec  = (time_t) (tod_ns / NSEC_PER_SEC);
 684         nsec = tod_ns - sec * NSEC_PER_SEC;
 685
 686         if (localtime_r(&sec, &ltime) == NULL) {
 687                 scnprintf(buf, buflen, "failed");
 688         } else {
 689                 strftime(date, sizeof(date), DEFAULT_TOD_FMT, &ltime);
 690
 691                 if (symbol_conf.nanosecs) {
 692                         snprintf(buf, buflen, "%s.%09lu", date, nsec);
 693                 } else {
 694                         snprintf(buf, buflen, "%s.%06lu",
 695                                  date, nsec / NSEC_PER_USEC);
 696                 }
 697         }
 698
 699         return buf;
 700 }
 701
 702 static int perf_sample__fprintf_iregs(struct perf_sample *sample,
 703                                       struct perf_event_attr *attr, FILE *fp)
 704 {
 705         return perf_sample__fprintf_regs(&sample->intr_regs,
 706                                          attr->sample_regs_intr, fp);
 707 }
 708
 709 static int perf_sample__fprintf_uregs(struct perf_sample *sample,
 710                                       struct perf_event_attr *attr, FILE *fp)
 711 {
 712         return perf_sample__fprintf_regs(&sample->user_regs,
 713                                          attr->sample_regs_user, fp);
 714 }
 715
 716 static int perf_sample__fprintf_start(struct perf_script *script,
 717                                       struct perf_sample *sample,
 718                                       struct thread *thread,
 719                                       struct evsel *evsel,
 720                                       u32 type, FILE *fp)
 721 {
 722         struct perf_event_attr *attr = &evsel->core.attr;
 723         unsigned long secs;
 724         unsigned long long nsecs;
 725         int printed = 0;
 726         char tstr[128];
 727
 728         if (PRINT_FIELD(COMM)) {
 729                 const char *comm = thread ? thread__comm_str(thread) : ":-1";
 730
 731                 if (latency_format)
 732                         printed += fprintf(fp, "%8.8s ", comm);
 733                 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
 734                         printed += fprintf(fp, "%s ", comm);
 735                 else
 736                         printed += fprintf(fp, "%16s ", comm);
 737         }
 738
 739         if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
 740                 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid);
 741         else if (PRINT_FIELD(PID))
 742                 printed += fprintf(fp, "%5d ", sample->pid);
 743         else if (PRINT_FIELD(TID))
 744                 printed += fprintf(fp, "%5d ", sample->tid);
 745
 746         if (PRINT_FIELD(CPU)) {
 747                 if (latency_format)
 748                         printed += fprintf(fp, "%3d ", sample->cpu);
 749                 else
 750                         printed += fprintf(fp, "[%03d] ", sample->cpu);
 751         }
 752
 753         if (PRINT_FIELD(MISC)) {
 754                 int ret = 0;
 755
 756                 #define has(m) \
 757                         (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
 758
 759                 if (has(KERNEL))
 760                         ret += fprintf(fp, "K");
 761                 if (has(USER))
 762                         ret += fprintf(fp, "U");
 763                 if (has(HYPERVISOR))
 764                         ret += fprintf(fp, "H");
 765                 if (has(GUEST_KERNEL))
 766                         ret += fprintf(fp, "G");
 767                 if (has(GUEST_USER))
 768                         ret += fprintf(fp, "g");
 769
 770                 switch (type) {
 771                 case PERF_RECORD_MMAP:
 772                 case PERF_RECORD_MMAP2:
 773                         if (has(MMAP_DATA))
 774                                 ret += fprintf(fp, "M");
 775                         break;
 776                 case PERF_RECORD_COMM:
 777                         if (has(COMM_EXEC))
 778                                 ret += fprintf(fp, "E");
 779                         break;
 780                 case PERF_RECORD_SWITCH:
 781                 case PERF_RECORD_SWITCH_CPU_WIDE:
 782                         if (has(SWITCH_OUT)) {
 783                                 ret += fprintf(fp, "S");
 784                                 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
 785                                         ret += fprintf(fp, "p");
 786                         }
 787                 default:
 788                         break;
 789                 }
 790
 791                 #undef has
 792
 793                 ret += fprintf(fp, "%*s", 6 - ret, " ");
 794                 printed += ret;
 795         }
 796
 797         if (PRINT_FIELD(TOD)) {
 798                 tod_scnprintf(script, tstr, sizeof(tstr), sample->time);
 799                 printed += fprintf(fp, "%s ", tstr);
 800         }
 801
 802         if (PRINT_FIELD(TIME)) {
 803                 u64 t = sample->time;
 804                 if (reltime) {
 805                         if (!initial_time)
 806                                 initial_time = sample->time;
 807                         t = sample->time - initial_time;
 808                 } else if (deltatime) {
 809                         if (previous_time)
 810                                 t = sample->time - previous_time;
 811                         else {
 812                                 t = 0;
 813                         }
 814                         previous_time = sample->time;
 815                 }
 816                 nsecs = t;
 817                 secs = nsecs / NSEC_PER_SEC;
 818                 nsecs -= secs * NSEC_PER_SEC;
 819
 820                 if (symbol_conf.nanosecs)
 821                         printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
 822                 else {
 823                         char sample_time[32];
 824                         timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time));
 825                         printed += fprintf(fp, "%12s: ", sample_time);
 826                 }
 827         }
 828
 829         return printed;
 830 }
 831
 832 static inline char
 833 mispred_str(struct branch_entry *br)
 834 {
 835         if (!(br->flags.mispred  || br->flags.predicted))
 836                 return '-';
 837
 838         return br->flags.predicted ? 'P' : 'M';
 839 }
 840
 841 static int perf_sample__fprintf_brstack(struct perf_sample *sample,
 842                                         struct thread *thread,
 843                                         struct perf_event_attr *attr, FILE *fp)
 844 {
 845         struct branch_stack *br = sample->branch_stack;
 846         struct branch_entry *entries = perf_sample__branch_entries(sample);
 847         struct addr_location alf, alt;
 848         u64 i, from, to;
 849         int printed = 0;
 850
 851         if (!(br && br->nr))
 852                 return 0;
 853
 854         for (i = 0; i < br->nr; i++) {
 855                 from = entries[i].from;
 856                 to   = entries[i].to;
 857
 858                 if (PRINT_FIELD(DSO)) {
 859                         memset(&alf, 0, sizeof(alf));
 860                         memset(&alt, 0, sizeof(alt));
 861                         thread__find_map_fb(thread, sample->cpumode, from, &alf);
 862                         thread__find_map_fb(thread, sample->cpumode, to, &alt);
 863                 }
 864
 865                 printed += fprintf(fp, " 0x%"PRIx64, from);
 866                 if (PRINT_FIELD(DSO)) {
 867                         printed += fprintf(fp, "(");
 868                         printed += map__fprintf_dsoname(alf.map, fp);
 869                         printed += fprintf(fp, ")");
 870                 }
 871
 872                 printed += fprintf(fp, "/0x%"PRIx64, to);
 873                 if (PRINT_FIELD(DSO)) {
 874                         printed += fprintf(fp, "(");
 875                         printed += map__fprintf_dsoname(alt.map, fp);
 876                         printed += fprintf(fp, ")");
 877                 }
 878
 879                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 880                         mispred_str(entries + i),
 881                         entries[i].flags.in_tx ? 'X' : '-',
 882                         entries[i].flags.abort ? 'A' : '-',
 883                         entries[i].flags.cycles);
 884         }
 885
 886         return printed;
 887 }
 888
 889 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
 890                                            struct thread *thread,
 891                                            struct perf_event_attr *attr, FILE *fp)
 892 {
 893         struct branch_stack *br = sample->branch_stack;
 894         struct branch_entry *entries = perf_sample__branch_entries(sample);
 895         struct addr_location alf, alt;
 896         u64 i, from, to;
 897         int printed = 0;
 898
 899         if (!(br && br->nr))
 900                 return 0;
 901
 902         for (i = 0; i < br->nr; i++) {
 903
 904                 memset(&alf, 0, sizeof(alf));
 905                 memset(&alt, 0, sizeof(alt));
 906                 from = entries[i].from;
 907                 to   = entries[i].to;
 908
 909                 thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
 910                 thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
 911
 912                 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
 913                 if (PRINT_FIELD(DSO)) {
 914                         printed += fprintf(fp, "(");
 915                         printed += map__fprintf_dsoname(alf.map, fp);
 916                         printed += fprintf(fp, ")");
 917                 }
 918                 printed += fprintf(fp, "%c", '/');
 919                 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
 920                 if (PRINT_FIELD(DSO)) {
 921                         printed += fprintf(fp, "(");
 922                         printed += map__fprintf_dsoname(alt.map, fp);
 923                         printed += fprintf(fp, ")");
 924                 }
 925                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 926                         mispred_str(entries + i),
 927                         entries[i].flags.in_tx ? 'X' : '-',
 928                         entries[i].flags.abort ? 'A' : '-',
 929                         entries[i].flags.cycles);
 930         }
 931
 932         return printed;
 933 }
 934
 935 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
 936                                            struct thread *thread,
 937                                            struct perf_event_attr *attr, FILE *fp)
 938 {
 939         struct branch_stack *br = sample->branch_stack;
 940         struct branch_entry *entries = perf_sample__branch_entries(sample);
 941         struct addr_location alf, alt;
 942         u64 i, from, to;
 943         int printed = 0;
 944
 945         if (!(br && br->nr))
 946                 return 0;
 947
 948         for (i = 0; i < br->nr; i++) {
 949
 950                 memset(&alf, 0, sizeof(alf));
 951                 memset(&alt, 0, sizeof(alt));
 952                 from = entries[i].from;
 953                 to   = entries[i].to;
 954
 955                 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
 956                     !alf.map->dso->adjust_symbols)
 957                         from = map__map_ip(alf.map, from);
 958
 959                 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
 960                     !alt.map->dso->adjust_symbols)
 961                         to = map__map_ip(alt.map, to);
 962
 963                 printed += fprintf(fp, " 0x%"PRIx64, from);
 964                 if (PRINT_FIELD(DSO)) {
 965                         printed += fprintf(fp, "(");
 966                         printed += map__fprintf_dsoname(alf.map, fp);
 967                         printed += fprintf(fp, ")");
 968                 }
 969                 printed += fprintf(fp, "/0x%"PRIx64, to);
 970                 if (PRINT_FIELD(DSO)) {
 971                         printed += fprintf(fp, "(");
 972                         printed += map__fprintf_dsoname(alt.map, fp);
 973                         printed += fprintf(fp, ")");
 974                 }
 975                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 976                         mispred_str(entries + i),
 977                         entries[i].flags.in_tx ? 'X' : '-',
 978                         entries[i].flags.abort ? 'A' : '-',
 979                         entries[i].flags.cycles);
 980         }
 981
 982         return printed;
 983 }
 984 #define MAXBB 16384UL
 985
 986 static int grab_bb(u8 *buffer, u64 start, u64 end,
 987                     struct machine *machine, struct thread *thread,
 988                     bool *is64bit, u8 *cpumode, bool last)
 989 {
 990         long offset, len;
 991         struct addr_location al;
 992         bool kernel;
 993
 994         if (!start || !end)
 995                 return 0;
 996
 997         kernel = machine__kernel_ip(machine, start);
 998         if (kernel)
 999                 *cpumode = PERF_RECORD_MISC_KERNEL;
1000         else
1001                 *cpumode = PERF_RECORD_MISC_USER;
1002
1003         /*
1004          * Block overlaps between kernel and user.
1005          * This can happen due to ring filtering
1006          * On Intel CPUs the entry into the kernel is filtered,
1007          * but the exit is not. Let the caller patch it up.
1008          */
1009         if (kernel != machine__kernel_ip(machine, end)) {
1010                 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
1011                 return -ENXIO;
1012         }
1013
1014         memset(&al, 0, sizeof(al));
1015         if (end - start > MAXBB - MAXINSN) {
1016                 if (last)
1017                         pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
1018                 else
1019                         pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
1020                 return 0;
1021         }
1022
1023         if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) {
1024                 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1025                 return 0;
1026         }
1027         if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
1028                 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1029                 return 0;
1030         }
1031
1032         /* Load maps to ensure dso->is_64_bit has been updated */
1033         map__load(al.map);
1034
1035         offset = al.map->map_ip(al.map, start);
1036         len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer,
1037                                     end - start + MAXINSN);
1038
1039         *is64bit = al.map->dso->is_64_bit;
1040         if (len <= 0)
1041                 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
1042                         start, end);
1043         return len;
1044 }
1045
1046 static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state)
1047 {
1048         char *srcfile;
1049         int ret = 0;
1050         unsigned line;
1051         int len;
1052         char *srccode;
1053
1054         if (!map || !map->dso)
1055                 return 0;
1056         srcfile = get_srcline_split(map->dso,
1057                                     map__rip_2objdump(map, addr),
1058                                     &line);
1059         if (!srcfile)
1060                 return 0;
1061
1062         /* Avoid redundant printing */
1063         if (state &&
1064             state->srcfile &&
1065             !strcmp(state->srcfile, srcfile) &&
1066             state->line == line) {
1067                 free(srcfile);
1068                 return 0;
1069         }
1070
1071         srccode = find_sourceline(srcfile, line, &len);
1072         if (!srccode)
1073                 goto out_free_line;
1074
1075         ret = fprintf(fp, "|%-8d %.*s", line, len, srccode);
1076
1077         if (state) {
1078                 state->srcfile = srcfile;
1079                 state->line = line;
1080         }
1081         return ret;
1082
1083 out_free_line:
1084         free(srcfile);
1085         return ret;
1086 }
1087
1088 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr)
1089 {
1090         struct addr_location al;
1091         int ret = 0;
1092
1093         memset(&al, 0, sizeof(al));
1094         thread__find_map(thread, cpumode, addr, &al);
1095         if (!al.map)
1096                 return 0;
1097         ret = map__fprintf_srccode(al.map, al.addr, stdout,
1098                     &thread->srccode_state);
1099         if (ret)
1100                 ret += printf("\n");
1101         return ret;
1102 }
1103
1104 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
1105                             struct perf_insn *x, u8 *inbuf, int len,
1106                             int insn, FILE *fp, int *total_cycles)
1107 {
1108         int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip,
1109                               dump_insn(x, ip, inbuf, len, NULL),
1110                               en->flags.predicted ? " PRED" : "",
1111                               en->flags.mispred ? " MISPRED" : "",
1112                               en->flags.in_tx ? " INTX" : "",
1113                               en->flags.abort ? " ABORT" : "");
1114         if (en->flags.cycles) {
1115                 *total_cycles += en->flags.cycles;
1116                 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles);
1117                 if (insn)
1118                         printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
1119         }
1120         return printed + fprintf(fp, "\n");
1121 }
1122
1123 static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
1124                            u8 cpumode, int cpu, struct symbol **lastsym,
1125                            struct perf_event_attr *attr, FILE *fp)
1126 {
1127         struct addr_location al;
1128         int off, printed = 0;
1129
1130         memset(&al, 0, sizeof(al));
1131
1132         thread__find_map(thread, cpumode, addr, &al);
1133
1134         if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
1135                 return 0;
1136
1137         al.cpu = cpu;
1138         al.sym = NULL;
1139         if (al.map)
1140                 al.sym = map__find_symbol(al.map, al.addr);
1141
1142         if (!al.sym)
1143                 return 0;
1144
1145         if (al.addr < al.sym->end)
1146                 off = al.addr - al.sym->start;
1147         else
1148                 off = al.addr - al.map->start - al.sym->start;
1149         printed += fprintf(fp, "\t%s", al.sym->name);
1150         if (off)
1151                 printed += fprintf(fp, "%+d", off);
1152         printed += fprintf(fp, ":");
1153         if (PRINT_FIELD(SRCLINE))
1154                 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
1155         printed += fprintf(fp, "\n");
1156         *lastsym = al.sym;
1157
1158         return printed;
1159 }
1160
1161 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
1162                                             struct thread *thread,
1163                                             struct perf_event_attr *attr,
1164                                             struct machine *machine, FILE *fp)
1165 {
1166         struct branch_stack *br = sample->branch_stack;
1167         struct branch_entry *entries = perf_sample__branch_entries(sample);
1168         u64 start, end;
1169         int i, insn, len, nr, ilen, printed = 0;
1170         struct perf_insn x;
1171         u8 buffer[MAXBB];
1172         unsigned off;
1173         struct symbol *lastsym = NULL;
1174         int total_cycles = 0;
1175
1176         if (!(br && br->nr))
1177                 return 0;
1178         nr = br->nr;
1179         if (max_blocks && nr > max_blocks + 1)
1180                 nr = max_blocks + 1;
1181
1182         x.thread = thread;
1183         x.cpu = sample->cpu;
1184
1185         printed += fprintf(fp, "%c", '\n');
1186
1187         /* Handle first from jump, of which we don't know the entry. */
1188         len = grab_bb(buffer, entries[nr-1].from,
1189                         entries[nr-1].from,
1190                         machine, thread, &x.is64bit, &x.cpumode, false);
1191         if (len > 0) {
1192                 printed += ip__fprintf_sym(entries[nr - 1].from, thread,
1193                                            x.cpumode, x.cpu, &lastsym, attr, fp);
1194                 printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1],
1195                                             &x, buffer, len, 0, fp, &total_cycles);
1196                 if (PRINT_FIELD(SRCCODE))
1197                         printed += print_srccode(thread, x.cpumode, entries[nr - 1].from);
1198         }
1199
1200         /* Print all blocks */
1201         for (i = nr - 2; i >= 0; i--) {
1202                 if (entries[i].from || entries[i].to)
1203                         pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1204                                  entries[i].from,
1205                                  entries[i].to);
1206                 start = entries[i + 1].to;
1207                 end   = entries[i].from;
1208
1209                 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1210                 /* Patch up missing kernel transfers due to ring filters */
1211                 if (len == -ENXIO && i > 0) {
1212                         end = entries[--i].from;
1213                         pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1214                         len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1215                 }
1216                 if (len <= 0)
1217                         continue;
1218
1219                 insn = 0;
1220                 for (off = 0; off < (unsigned)len; off += ilen) {
1221                         uint64_t ip = start + off;
1222
1223                         printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1224                         if (ip == end) {
1225                                 printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp,
1226                                                             &total_cycles);
1227                                 if (PRINT_FIELD(SRCCODE))
1228                                         printed += print_srccode(thread, x.cpumode, ip);
1229                                 break;
1230                         } else {
1231                                 ilen = 0;
1232                                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip,
1233                                                    dump_insn(&x, ip, buffer + off, len - off, &ilen));
1234                                 if (ilen == 0)
1235                                         break;
1236                                 if (PRINT_FIELD(SRCCODE))
1237                                         print_srccode(thread, x.cpumode, ip);
1238                                 insn++;
1239                         }
1240                 }
1241                 if (off != end - start)
1242                         printed += fprintf(fp, "\tmismatch of LBR data and executable\n");
1243         }
1244
1245         /*
1246          * Hit the branch? In this case we are already done, and the target
1247          * has not been executed yet.
1248          */
1249         if (entries[0].from == sample->ip)
1250                 goto out;
1251         if (entries[0].flags.abort)
1252                 goto out;
1253
1254         /*
1255          * Print final block upto sample
1256          *
1257          * Due to pipeline delays the LBRs might be missing a branch
1258          * or two, which can result in very large or negative blocks
1259          * between final branch and sample. When this happens just
1260          * continue walking after the last TO until we hit a branch.
1261          */
1262         start = entries[0].to;
1263         end = sample->ip;
1264         if (end < start) {
1265                 /* Missing jump. Scan 128 bytes for the next branch */
1266                 end = start + 128;
1267         }
1268         len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1269         printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1270         if (len <= 0) {
1271                 /* Print at least last IP if basic block did not work */
1272                 len = grab_bb(buffer, sample->ip, sample->ip,
1273                               machine, thread, &x.is64bit, &x.cpumode, false);
1274                 if (len <= 0)
1275                         goto out;
1276                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip,
1277                         dump_insn(&x, sample->ip, buffer, len, NULL));
1278                 if (PRINT_FIELD(SRCCODE))
1279                         print_srccode(thread, x.cpumode, sample->ip);
1280                 goto out;
1281         }
1282         for (off = 0; off <= end - start; off += ilen) {
1283                 ilen = 0;
1284                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off,
1285                                    dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1286                 if (ilen == 0)
1287                         break;
1288                 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) {
1289                         /*
1290                          * Hit a missing branch. Just stop.
1291                          */
1292                         printed += fprintf(fp, "\t... not reaching sample ...\n");
1293                         break;
1294                 }
1295                 if (PRINT_FIELD(SRCCODE))
1296                         print_srccode(thread, x.cpumode, start + off);
1297         }
1298 out:
1299         return printed;
1300 }
1301
1302 static int perf_sample__fprintf_addr(struct perf_sample *sample,
1303                                      struct thread *thread,
1304                                      struct perf_event_attr *attr, FILE *fp)
1305 {
1306         struct addr_location al;
1307         int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1308
1309         if (!sample_addr_correlates_sym(attr))
1310                 goto out;
1311
1312         thread__resolve(thread, &al, sample);
1313
1314         if (PRINT_FIELD(SYM)) {
1315                 printed += fprintf(fp, " ");
1316                 if (PRINT_FIELD(SYMOFFSET))
1317                         printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1318                 else
1319                         printed += symbol__fprintf_symname(al.sym, fp);
1320         }
1321
1322         if (PRINT_FIELD(DSO)) {
1323                 printed += fprintf(fp, " (");
1324                 printed += map__fprintf_dsoname(al.map, fp);
1325                 printed += fprintf(fp, ")");
1326         }
1327 out:
1328         return printed;
1329 }
1330
1331 static const char *resolve_branch_sym(struct perf_sample *sample,
1332                                       struct evsel *evsel,
1333                                       struct thread *thread,
1334                                       struct addr_location *al,
1335                                       u64 *ip)
1336 {
1337         struct addr_location addr_al;
1338         struct perf_event_attr *attr = &evsel->core.attr;
1339         const char *name = NULL;
1340
1341         if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1342                 if (sample_addr_correlates_sym(attr)) {
1343                         thread__resolve(thread, &addr_al, sample);
1344                         if (addr_al.sym)
1345                                 name = addr_al.sym->name;
1346                         else
1347                                 *ip = sample->addr;
1348                 } else {
1349                         *ip = sample->addr;
1350                 }
1351         } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1352                 if (al->sym)
1353                         name = al->sym->name;
1354                 else
1355                         *ip = sample->ip;
1356         }
1357         return name;
1358 }
1359
1360 static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1361                                            struct evsel *evsel,
1362                                            struct thread *thread,
1363                                            struct addr_location *al, FILE *fp)
1364 {
1365         struct perf_event_attr *attr = &evsel->core.attr;
1366         size_t depth = thread_stack__depth(thread, sample->cpu);
1367         const char *name = NULL;
1368         static int spacing;
1369         int len = 0;
1370         int dlen = 0;
1371         u64 ip = 0;
1372
1373         /*
1374          * The 'return' has already been popped off the stack so the depth has
1375          * to be adjusted to match the 'call'.
1376          */
1377         if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
1378                 depth += 1;
1379
1380         name = resolve_branch_sym(sample, evsel, thread, al, &ip);
1381
1382         if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
1383                 dlen += fprintf(fp, "(");
1384                 dlen += map__fprintf_dsoname(al->map, fp);
1385                 dlen += fprintf(fp, ")\t");
1386         }
1387
1388         if (name)
1389                 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1390         else if (ip)
1391                 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1392
1393         if (len < 0)
1394                 return len;
1395
1396         /*
1397          * Try to keep the output length from changing frequently so that the
1398          * output lines up more nicely.
1399          */
1400         if (len > spacing || (len && len < spacing - 52))
1401                 spacing = round_up(len + 4, 32);
1402
1403         if (len < spacing)
1404                 len += fprintf(fp, "%*s", spacing - len, "");
1405
1406         return len + dlen;
1407 }
1408
1409 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused,
1410                             struct thread *thread __maybe_unused,
1411                             struct machine *machine __maybe_unused)
1412 {
1413 }
1414
1415 static int perf_sample__fprintf_insn(struct perf_sample *sample,
1416                                      struct perf_event_attr *attr,
1417                                      struct thread *thread,
1418                                      struct machine *machine, FILE *fp)
1419 {
1420         int printed = 0;
1421
1422         if (sample->insn_len == 0 && native_arch)
1423                 arch_fetch_insn(sample, thread, machine);
1424
1425         if (PRINT_FIELD(INSNLEN))
1426                 printed += fprintf(fp, " ilen: %d", sample->insn_len);
1427         if (PRINT_FIELD(INSN) && sample->insn_len) {
1428                 int i;
1429
1430                 printed += fprintf(fp, " insn:");
1431                 for (i = 0; i < sample->insn_len; i++)
1432                         printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
1433         }
1434         if (PRINT_FIELD(BRSTACKINSN))
1435                 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
1436
1437         return printed;
1438 }
1439
1440 static int perf_sample__fprintf_ipc(struct perf_sample *sample,
1441                                     struct perf_event_attr *attr, FILE *fp)
1442 {
1443         unsigned int ipc;
1444
1445         if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt)
1446                 return 0;
1447
1448         ipc = (sample->insn_cnt * 100) / sample->cyc_cnt;
1449
1450         return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ",
1451                        ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt);
1452 }
1453
1454 static int perf_sample__fprintf_bts(struct perf_sample *sample,
1455                                     struct evsel *evsel,
1456                                     struct thread *thread,
1457                                     struct addr_location *al,
1458                                     struct machine *machine, FILE *fp)
1459 {
1460         struct perf_event_attr *attr = &evsel->core.attr;
1461         unsigned int type = output_type(attr->type);
1462         bool print_srcline_last = false;
1463         int printed = 0;
1464
1465         if (PRINT_FIELD(CALLINDENT))
1466                 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp);
1467
1468         /* print branch_from information */
1469         if (PRINT_FIELD(IP)) {
1470                 unsigned int print_opts = output[type].print_ip_opts;
1471                 struct callchain_cursor *cursor = NULL;
1472
1473                 if (symbol_conf.use_callchain && sample->callchain &&
1474                     thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1475                                               sample, NULL, NULL, scripting_max_stack) == 0)
1476                         cursor = &callchain_cursor;
1477
1478                 if (cursor == NULL) {
1479                         printed += fprintf(fp, " ");
1480                         if (print_opts & EVSEL__PRINT_SRCLINE) {
1481                                 print_srcline_last = true;
1482                                 print_opts &= ~EVSEL__PRINT_SRCLINE;
1483                         }
1484                 } else
1485                         printed += fprintf(fp, "\n");
1486
1487                 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor,
1488                                                symbol_conf.bt_stop_list, fp);
1489         }
1490
1491         /* print branch_to information */
1492         if (PRINT_FIELD(ADDR) ||
1493             ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
1494              !output[type].user_set)) {
1495                 printed += fprintf(fp, " => ");
1496                 printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1497         }
1498
1499         printed += perf_sample__fprintf_ipc(sample, attr, fp);
1500
1501         if (print_srcline_last)
1502                 printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
1503
1504         printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1505         printed += fprintf(fp, "\n");
1506         if (PRINT_FIELD(SRCCODE)) {
1507                 int ret = map__fprintf_srccode(al->map, al->addr, stdout,
1508                                          &thread->srccode_state);
1509                 if (ret) {
1510                         printed += ret;
1511                         printed += printf("\n");
1512                 }
1513         }
1514         return printed;
1515 }
1516
1517 static struct {
1518         u32 flags;
1519         const char *name;
1520 } sample_flags[] = {
1521         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1522         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1523         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1524         {PERF_IP_FLAG_BRANCH, "jmp"},
1525         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1526         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1527         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1528         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1529         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1530         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"},
1531         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1532         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1533         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1534         {0, NULL}
1535 };
1536
1537 static const char *sample_flags_to_name(u32 flags)
1538 {
1539         int i;
1540
1541         for (i = 0; sample_flags[i].name ; i++) {
1542                 if (sample_flags[i].flags == flags)
1543                         return sample_flags[i].name;
1544         }
1545
1546         return NULL;
1547 }
1548
1549 static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1550 {
1551         const char *chars = PERF_IP_FLAG_CHARS;
1552         const int n = strlen(PERF_IP_FLAG_CHARS);
1553         bool in_tx = flags & PERF_IP_FLAG_IN_TX;
1554         const char *name = NULL;
1555         char str[33];
1556         int i, pos = 0;
1557
1558         name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX);
1559         if (name)
1560                 return fprintf(fp, "  %-15s%4s ", name, in_tx ? "(x)" : "");
1561
1562         if (flags & PERF_IP_FLAG_TRACE_BEGIN) {
1563                 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN));
1564                 if (name)
1565                         return fprintf(fp, "  tr strt %-7s%4s ", name, in_tx ? "(x)" : "");
1566         }
1567
1568         if (flags & PERF_IP_FLAG_TRACE_END) {
1569                 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END));
1570                 if (name)
1571                         return fprintf(fp, "  tr end  %-7s%4s ", name, in_tx ? "(x)" : "");
1572         }
1573
1574         for (i = 0; i < n; i++, flags >>= 1) {
1575                 if (flags & 1)
1576                         str[pos++] = chars[i];
1577         }
1578         for (; i < 32; i++, flags >>= 1) {
1579                 if (flags & 1)
1580                         str[pos++] = '?';
1581         }
1582         str[pos] = 0;
1583
1584         return fprintf(fp, "  %-19s ", str);
1585 }
1586
1587 struct printer_data {
1588         int line_no;
1589         bool hit_nul;
1590         bool is_printable;
1591 };
1592
1593 static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1594                                       unsigned int val,
1595                                       void *extra, FILE *fp)
1596 {
1597         unsigned char ch = (unsigned char)val;
1598         struct printer_data *printer_data = extra;
1599         int printed = 0;
1600
1601         switch (op) {
1602         case BINARY_PRINT_DATA_BEGIN:
1603                 printed += fprintf(fp, "\n");
1604                 break;
1605         case BINARY_PRINT_LINE_BEGIN:
1606                 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1607                                                         "           ");
1608                 break;
1609         case BINARY_PRINT_ADDR:
1610                 printed += fprintf(fp, " %04x:", val);
1611                 break;
1612         case BINARY_PRINT_NUM_DATA:
1613                 printed += fprintf(fp, " %02x", val);
1614                 break;
1615         case BINARY_PRINT_NUM_PAD:
1616                 printed += fprintf(fp, "   ");
1617                 break;
1618         case BINARY_PRINT_SEP:
1619                 printed += fprintf(fp, "  ");
1620                 break;
1621         case BINARY_PRINT_CHAR_DATA:
1622                 if (printer_data->hit_nul && ch)
1623                         printer_data->is_printable = false;
1624
1625                 if (!isprint(ch)) {
1626                         printed += fprintf(fp, "%c", '.');
1627
1628                         if (!printer_data->is_printable)
1629                                 break;
1630
1631                         if (ch == '\0')
1632                                 printer_data->hit_nul = true;
1633                         else
1634                                 printer_data->is_printable = false;
1635                 } else {
1636                         printed += fprintf(fp, "%c", ch);
1637                 }
1638                 break;
1639         case BINARY_PRINT_CHAR_PAD:
1640                 printed += fprintf(fp, " ");
1641                 break;
1642         case BINARY_PRINT_LINE_END:
1643                 printed += fprintf(fp, "\n");
1644                 printer_data->line_no++;
1645                 break;
1646         case BINARY_PRINT_DATA_END:
1647         default:
1648                 break;
1649         }
1650
1651         return printed;
1652 }
1653
1654 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1655 {
1656         unsigned int nr_bytes = sample->raw_size;
1657         struct printer_data printer_data = {0, false, true};
1658         int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1659                                       sample__fprintf_bpf_output, &printer_data, fp);
1660
1661         if (printer_data.is_printable && printer_data.hit_nul)
1662                 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1663
1664         return printed;
1665 }
1666
1667 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1668 {
1669         if (len > 0 && len < spacing)
1670                 return fprintf(fp, "%*s", spacing - len, "");
1671
1672         return 0;
1673 }
1674
1675 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1676 {
1677         return perf_sample__fprintf_spacing(len, 34, fp);
1678 }
1679
1680 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1681 {
1682         struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1683         int len;
1684
1685         if (perf_sample__bad_synth_size(sample, *data))
1686                 return 0;
1687
1688         len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ",
1689                      data->ip, le64_to_cpu(data->payload));
1690         return len + perf_sample__fprintf_pt_spacing(len, fp);
1691 }
1692
1693 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1694 {
1695         struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1696         int len;
1697
1698         if (perf_sample__bad_synth_size(sample, *data))
1699                 return 0;
1700
1701         len = fprintf(fp, " hints: %#x extensions: %#x ",
1702                       data->hints, data->extensions);
1703         return len + perf_sample__fprintf_pt_spacing(len, fp);
1704 }
1705
1706 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1707 {
1708         struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1709         int len;
1710
1711         if (perf_sample__bad_synth_size(sample, *data))
1712                 return 0;
1713
1714         len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1715                       data->hw, data->cstate, data->subcstate);
1716         return len + perf_sample__fprintf_pt_spacing(len, fp);
1717 }
1718
1719 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1720 {
1721         struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1722         int len;
1723
1724         if (perf_sample__bad_synth_size(sample, *data))
1725                 return 0;
1726
1727         len = fprintf(fp, " IP: %u ", data->ip);
1728         return len + perf_sample__fprintf_pt_spacing(len, fp);
1729 }
1730
1731 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1732 {
1733         struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1734         int len;
1735
1736         if (perf_sample__bad_synth_size(sample, *data))
1737                 return 0;
1738
1739         len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1740                      data->deepest_cstate, data->last_cstate,
1741                      data->wake_reason);
1742         return len + perf_sample__fprintf_pt_spacing(len, fp);
1743 }
1744
1745 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1746 {
1747         struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1748         unsigned int percent, freq;
1749         int len;
1750
1751         if (perf_sample__bad_synth_size(sample, *data))
1752                 return 0;
1753
1754         freq = (le32_to_cpu(data->freq) + 500) / 1000;
1755         len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1756         if (data->max_nonturbo) {
1757                 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1758                 len += fprintf(fp, "(%3u%%) ", percent);
1759         }
1760         return len + perf_sample__fprintf_pt_spacing(len, fp);
1761 }
1762
1763 static int perf_sample__fprintf_synth(struct perf_sample *sample,
1764                                       struct evsel *evsel, FILE *fp)
1765 {
1766         switch (evsel->core.attr.config) {
1767         case PERF_SYNTH_INTEL_PTWRITE:
1768                 return perf_sample__fprintf_synth_ptwrite(sample, fp);
1769         case PERF_SYNTH_INTEL_MWAIT:
1770                 return perf_sample__fprintf_synth_mwait(sample, fp);
1771         case PERF_SYNTH_INTEL_PWRE:
1772                 return perf_sample__fprintf_synth_pwre(sample, fp);
1773         case PERF_SYNTH_INTEL_EXSTOP:
1774                 return perf_sample__fprintf_synth_exstop(sample, fp);
1775         case PERF_SYNTH_INTEL_PWRX:
1776                 return perf_sample__fprintf_synth_pwrx(sample, fp);
1777         case PERF_SYNTH_INTEL_CBR:
1778                 return perf_sample__fprintf_synth_cbr(sample, fp);
1779         default:
1780                 break;
1781         }
1782
1783         return 0;
1784 }
1785
1786 static int evlist__max_name_len(struct evlist *evlist)
1787 {
1788         struct evsel *evsel;
1789         int max = 0;
1790
1791         evlist__for_each_entry(evlist, evsel) {
1792                 int len = strlen(evsel__name(evsel));
1793
1794                 max = MAX(len, max);
1795         }
1796
1797         return max;
1798 }
1799
1800 static int data_src__fprintf(u64 data_src, FILE *fp)
1801 {
1802         struct mem_info mi = { .data_src.val = data_src };
1803         char decode[100];
1804         char out[100];
1805         static int maxlen;
1806         int len;
1807
1808         perf_script__meminfo_scnprintf(decode, 100, &mi);
1809
1810         len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
1811         if (maxlen < len)
1812                 maxlen = len;
1813
1814         return fprintf(fp, "%-*s", maxlen, out);
1815 }
1816
1817 struct metric_ctx {
1818         struct perf_sample      *sample;
1819         struct thread           *thread;
1820         struct evsel    *evsel;
1821         FILE                    *fp;
1822 };
1823
1824 static void script_print_metric(struct perf_stat_config *config __maybe_unused,
1825                                 void *ctx, const char *color,
1826                                 const char *fmt,
1827                                 const char *unit, double val)
1828 {
1829         struct metric_ctx *mctx = ctx;
1830
1831         if (!fmt)
1832                 return;
1833         perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
1834                                    PERF_RECORD_SAMPLE, mctx->fp);
1835         fputs("\tmetric: ", mctx->fp);
1836         if (color)
1837                 color_fprintf(mctx->fp, color, fmt, val);
1838         else
1839                 printf(fmt, val);
1840         fprintf(mctx->fp, " %s\n", unit);
1841 }
1842
1843 static void script_new_line(struct perf_stat_config *config __maybe_unused,
1844                             void *ctx)
1845 {
1846         struct metric_ctx *mctx = ctx;
1847
1848         perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
1849                                    PERF_RECORD_SAMPLE, mctx->fp);
1850         fputs("\tmetric: ", mctx->fp);
1851 }
1852
1853 static void perf_sample__fprint_metric(struct perf_script *script,
1854                                        struct thread *thread,
1855                                        struct evsel *evsel,
1856                                        struct perf_sample *sample,
1857                                        FILE *fp)
1858 {
1859         struct perf_stat_output_ctx ctx = {
1860                 .print_metric = script_print_metric,
1861                 .new_line = script_new_line,
1862                 .ctx = &(struct metric_ctx) {
1863                                 .sample = sample,
1864                                 .thread = thread,
1865                                 .evsel  = evsel,
1866                                 .fp     = fp,
1867                          },
1868                 .force_header = false,
1869         };
1870         struct evsel *ev2;
1871         u64 val;
1872
1873         if (!evsel->stats)
1874                 evlist__alloc_stats(script->session->evlist, false);
1875         if (evsel_script(evsel->leader)->gnum++ == 0)
1876                 perf_stat__reset_shadow_stats();
1877         val = sample->period * evsel->scale;
1878         perf_stat__update_shadow_stats(evsel,
1879                                        val,
1880                                        sample->cpu,
1881                                        &rt_stat);
1882         evsel_script(evsel)->val = val;
1883         if (evsel_script(evsel->leader)->gnum == evsel->leader->core.nr_members) {
1884                 for_each_group_member (ev2, evsel->leader) {
1885                         perf_stat__print_shadow_stats(&stat_config, ev2,
1886                                                       evsel_script(ev2)->val,
1887                                                       sample->cpu,
1888                                                       &ctx,
1889                                                       NULL,
1890                                                       &rt_stat);
1891                 }
1892                 evsel_script(evsel->leader)->gnum = 0;
1893         }
1894 }
1895
1896 static bool show_event(struct perf_sample *sample,
1897                        struct evsel *evsel,
1898                        struct thread *thread,
1899                        struct addr_location *al)
1900 {
1901         int depth = thread_stack__depth(thread, sample->cpu);
1902
1903         if (!symbol_conf.graph_function)
1904                 return true;
1905
1906         if (thread->filter) {
1907                 if (depth <= thread->filter_entry_depth) {
1908                         thread->filter = false;
1909                         return false;
1910                 }
1911                 return true;
1912         } else {
1913                 const char *s = symbol_conf.graph_function;
1914                 u64 ip;
1915                 const char *name = resolve_branch_sym(sample, evsel, thread, al,
1916                                 &ip);
1917                 unsigned nlen;
1918
1919                 if (!name)
1920                         return false;
1921                 nlen = strlen(name);
1922                 while (*s) {
1923                         unsigned len = strcspn(s, ",");
1924                         if (nlen == len && !strncmp(name, s, len)) {
1925                                 thread->filter = true;
1926                                 thread->filter_entry_depth = depth;
1927                                 return true;
1928                         }
1929                         s += len;
1930                         if (*s == ',')
1931                                 s++;
1932                 }
1933                 return false;
1934         }
1935 }
1936
1937 static void process_event(struct perf_script *script,
1938                           struct perf_sample *sample, struct evsel *evsel,
1939                           struct addr_location *al,
1940                           struct machine *machine)
1941 {
1942         struct thread *thread = al->thread;
1943         struct perf_event_attr *attr = &evsel->core.attr;
1944         unsigned int type = output_type(attr->type);
1945         struct evsel_script *es = evsel->priv;
1946         FILE *fp = es->fp;
1947         char str[PAGE_SIZE_NAME_LEN];
1948
1949         if (output[type].fields == 0)
1950                 return;
1951
1952         if (!show_event(sample, evsel, thread, al))
1953                 return;
1954
1955         if (evswitch__discard(&script->evswitch, evsel))
1956                 return;
1957
1958         ++es->samples;
1959
1960         perf_sample__fprintf_start(script, sample, thread, evsel,
1961                                    PERF_RECORD_SAMPLE, fp);
1962
1963         if (PRINT_FIELD(PERIOD))
1964                 fprintf(fp, "%10" PRIu64 " ", sample->period);
1965
1966         if (PRINT_FIELD(EVNAME)) {
1967                 const char *evname = evsel__name(evsel);
1968
1969                 if (!script->name_width)
1970                         script->name_width = evlist__max_name_len(script->session->evlist);
1971
1972                 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
1973         }
1974
1975         if (print_flags)
1976                 perf_sample__fprintf_flags(sample->flags, fp);
1977
1978         if (is_bts_event(attr)) {
1979                 perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp);
1980                 return;
1981         }
1982
1983         if (PRINT_FIELD(TRACE) && sample->raw_data) {
1984                 event_format__fprintf(evsel->tp_format, sample->cpu,
1985                                       sample->raw_data, sample->raw_size, fp);
1986         }
1987
1988         if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
1989                 perf_sample__fprintf_synth(sample, evsel, fp);
1990
1991         if (PRINT_FIELD(ADDR))
1992                 perf_sample__fprintf_addr(sample, thread, attr, fp);
1993
1994         if (PRINT_FIELD(DATA_SRC))
1995                 data_src__fprintf(sample->data_src, fp);
1996
1997         if (PRINT_FIELD(WEIGHT))
1998                 fprintf(fp, "%16" PRIu64, sample->weight);
1999
2000         if (PRINT_FIELD(IP)) {
2001                 struct callchain_cursor *cursor = NULL;
2002
2003                 if (script->stitch_lbr)
2004                         al->thread->lbr_stitch_enable = true;
2005
2006                 if (symbol_conf.use_callchain && sample->callchain &&
2007                     thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
2008                                               sample, NULL, NULL, scripting_max_stack) == 0)
2009                         cursor = &callchain_cursor;
2010
2011                 fputc(cursor ? '\n' : ' ', fp);
2012                 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor,
2013                                     symbol_conf.bt_stop_list, fp);
2014         }
2015
2016         if (PRINT_FIELD(IREGS))
2017                 perf_sample__fprintf_iregs(sample, attr, fp);
2018
2019         if (PRINT_FIELD(UREGS))
2020                 perf_sample__fprintf_uregs(sample, attr, fp);
2021
2022         if (PRINT_FIELD(BRSTACK))
2023                 perf_sample__fprintf_brstack(sample, thread, attr, fp);
2024         else if (PRINT_FIELD(BRSTACKSYM))
2025                 perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
2026         else if (PRINT_FIELD(BRSTACKOFF))
2027                 perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
2028
2029         if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
2030                 perf_sample__fprintf_bpf_output(sample, fp);
2031         perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
2032
2033         if (PRINT_FIELD(PHYS_ADDR))
2034                 fprintf(fp, "%16" PRIx64, sample->phys_addr);
2035
2036         if (PRINT_FIELD(DATA_PAGE_SIZE))
2037                 fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str));
2038
2039         perf_sample__fprintf_ipc(sample, attr, fp);
2040
2041         fprintf(fp, "\n");
2042
2043         if (PRINT_FIELD(SRCCODE)) {
2044                 if (map__fprintf_srccode(al->map, al->addr, stdout,
2045                                          &thread->srccode_state))
2046                         printf("\n");
2047         }
2048
2049         if (PRINT_FIELD(METRIC))
2050                 perf_sample__fprint_metric(script, thread, evsel, sample, fp);
2051
2052         if (verbose)
2053                 fflush(fp);
2054 }
2055
2056 static struct scripting_ops     *scripting_ops;
2057
2058 static void __process_stat(struct evsel *counter, u64 tstamp)
2059 {
2060         int nthreads = perf_thread_map__nr(counter->core.threads);
2061         int ncpus = evsel__nr_cpus(counter);
2062         int cpu, thread;
2063         static int header_printed;
2064
2065         if (counter->core.system_wide)
2066                 nthreads = 1;
2067
2068         if (!header_printed) {
2069                 printf("%3s %8s %15s %15s %15s %15s %s\n",
2070                        "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
2071                 header_printed = 1;
2072         }
2073
2074         for (thread = 0; thread < nthreads; thread++) {
2075                 for (cpu = 0; cpu < ncpus; cpu++) {
2076                         struct perf_counts_values *counts;
2077
2078                         counts = perf_counts(counter->counts, cpu, thread);
2079
2080                         printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
2081                                 counter->core.cpus->map[cpu],
2082                                 perf_thread_map__pid(counter->core.threads, thread),
2083                                 counts->val,
2084                                 counts->ena,
2085                                 counts->run,
2086                                 tstamp,
2087                                 evsel__name(counter));
2088                 }
2089         }
2090 }
2091
2092 static void process_stat(struct evsel *counter, u64 tstamp)
2093 {
2094         if (scripting_ops && scripting_ops->process_stat)
2095                 scripting_ops->process_stat(&stat_config, counter, tstamp);
2096         else
2097                 __process_stat(counter, tstamp);
2098 }
2099
2100 static void process_stat_interval(u64 tstamp)
2101 {
2102         if (scripting_ops && scripting_ops->process_stat_interval)
2103                 scripting_ops->process_stat_interval(tstamp);
2104 }
2105
2106 static void setup_scripting(void)
2107 {
2108         setup_perl_scripting();
2109         setup_python_scripting();
2110 }
2111
2112 static int flush_scripting(void)
2113 {
2114         return scripting_ops ? scripting_ops->flush_script() : 0;
2115 }
2116
2117 static int cleanup_scripting(void)
2118 {
2119         pr_debug("\nperf script stopped\n");
2120
2121         return scripting_ops ? scripting_ops->stop_script() : 0;
2122 }
2123
2124 static bool filter_cpu(struct perf_sample *sample)
2125 {
2126         if (cpu_list && sample->cpu != (u32)-1)
2127                 return !test_bit(sample->cpu, cpu_bitmap);
2128         return false;
2129 }
2130
2131 static int process_sample_event(struct perf_tool *tool,
2132                                 union perf_event *event,
2133                                 struct perf_sample *sample,
2134                                 struct evsel *evsel,
2135                                 struct machine *machine)
2136 {
2137         struct perf_script *scr = container_of(tool, struct perf_script, tool);
2138         struct addr_location al;
2139
2140         if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
2141                                           sample->time)) {
2142                 return 0;
2143         }
2144
2145         if (debug_mode) {
2146                 if (sample->time < last_timestamp) {
2147                         pr_err("Samples misordered, previous: %" PRIu64
2148                                 " this: %" PRIu64 "\n", last_timestamp,
2149                                 sample->time);
2150                         nr_unordered++;
2151                 }
2152                 last_timestamp = sample->time;
2153                 return 0;
2154         }
2155
2156         if (machine__resolve(machine, &al, sample) < 0) {
2157                 pr_err("problem processing %d event, skipping it.\n",
2158                        event->header.type);
2159                 return -1;
2160         }
2161
2162         if (al.filtered)
2163                 goto out_put;
2164
2165         if (filter_cpu(sample))
2166                 goto out_put;
2167
2168         if (scripting_ops)
2169                 scripting_ops->process_event(event, sample, evsel, &al);
2170         else
2171                 process_event(scr, sample, evsel, &al, machine);
2172
2173 out_put:
2174         addr_location__put(&al);
2175         return 0;
2176 }
2177
2178 static int process_attr(struct perf_tool *tool, union perf_event *event,
2179                         struct evlist **pevlist)
2180 {
2181         struct perf_script *scr = container_of(tool, struct perf_script, tool);
2182         struct evlist *evlist;
2183         struct evsel *evsel, *pos;
2184         u64 sample_type;
2185         int err;
2186         static struct evsel_script *es;
2187
2188         err = perf_event__process_attr(tool, event, pevlist);
2189         if (err)
2190                 return err;
2191
2192         evlist = *pevlist;
2193         evsel = evlist__last(*pevlist);
2194
2195         if (!evsel->priv) {
2196                 if (scr->per_event_dump) {
2197                         evsel->priv = perf_evsel_script__new(evsel,
2198                                                 scr->session->data);
2199                 } else {
2200                         es = zalloc(sizeof(*es));
2201                         if (!es)
2202                                 return -ENOMEM;
2203                         es->fp = stdout;
2204                         evsel->priv = es;
2205                 }
2206         }
2207
2208         if (evsel->core.attr.type >= PERF_TYPE_MAX &&
2209             evsel->core.attr.type != PERF_TYPE_SYNTH)
2210                 return 0;
2211
2212         evlist__for_each_entry(evlist, pos) {
2213                 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel)
2214                         return 0;
2215         }
2216
2217         if (evsel->core.attr.sample_type) {
2218                 err = evsel__check_attr(evsel, scr->session);
2219                 if (err)
2220                         return err;
2221         }
2222
2223         /*
2224          * Check if we need to enable callchains based
2225          * on events sample_type.
2226          */
2227         sample_type = evlist__combined_sample_type(evlist);
2228         callchain_param_setup(sample_type);
2229
2230         /* Enable fields for callchain entries */
2231         if (symbol_conf.use_callchain &&
2232             (sample_type & PERF_SAMPLE_CALLCHAIN ||
2233              sample_type & PERF_SAMPLE_BRANCH_STACK ||
2234              (sample_type & PERF_SAMPLE_REGS_USER &&
2235               sample_type & PERF_SAMPLE_STACK_USER))) {
2236                 int type = output_type(evsel->core.attr.type);
2237
2238                 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP))
2239                         output[type].fields |= PERF_OUTPUT_IP;
2240                 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM))
2241                         output[type].fields |= PERF_OUTPUT_SYM;
2242         }
2243         set_print_ip_opts(&evsel->core.attr);
2244         return 0;
2245 }
2246
2247 static int print_event_with_time(struct perf_tool *tool,
2248                                  union perf_event *event,
2249                                  struct perf_sample *sample,
2250                                  struct machine *machine,
2251                                  pid_t pid, pid_t tid, u64 timestamp)
2252 {
2253         struct perf_script *script = container_of(tool, struct perf_script, tool);
2254         struct perf_session *session = script->session;
2255         struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id);
2256         struct thread *thread = NULL;
2257
2258         if (evsel && !evsel->core.attr.sample_id_all) {
2259                 sample->cpu = 0;
2260                 sample->time = timestamp;
2261                 sample->pid = pid;
2262                 sample->tid = tid;
2263         }
2264
2265         if (filter_cpu(sample))
2266                 return 0;
2267
2268         if (tid != -1)
2269                 thread = machine__findnew_thread(machine, pid, tid);
2270
2271         if (evsel) {
2272                 perf_sample__fprintf_start(script, sample, thread, evsel,
2273                                            event->header.type, stdout);
2274         }
2275
2276         perf_event__fprintf(event, machine, stdout);
2277
2278         thread__put(thread);
2279
2280         return 0;
2281 }
2282
2283 static int print_event(struct perf_tool *tool, union perf_event *event,
2284                        struct perf_sample *sample, struct machine *machine,
2285                        pid_t pid, pid_t tid)
2286 {
2287         return print_event_with_time(tool, event, sample, machine, pid, tid, 0);
2288 }
2289
2290 static int process_comm_event(struct perf_tool *tool,
2291                               union perf_event *event,
2292                               struct perf_sample *sample,
2293                               struct machine *machine)
2294 {
2295         if (perf_event__process_comm(tool, event, sample, machine) < 0)
2296                 return -1;
2297
2298         return print_event(tool, event, sample, machine, event->comm.pid,
2299                            event->comm.tid);
2300 }
2301
2302 static int process_namespaces_event(struct perf_tool *tool,
2303                                     union perf_event *event,
2304                                     struct perf_sample *sample,
2305                                     struct machine *machine)
2306 {
2307         if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
2308                 return -1;
2309
2310         return print_event(tool, event, sample, machine, event->namespaces.pid,
2311                            event->namespaces.tid);
2312 }
2313
2314 static int process_cgroup_event(struct perf_tool *tool,
2315                                 union perf_event *event,
2316                                 struct perf_sample *sample,
2317                                 struct machine *machine)
2318 {
2319         if (perf_event__process_cgroup(tool, event, sample, machine) < 0)
2320                 return -1;
2321
2322         return print_event(tool, event, sample, machine, sample->pid,
2323                             sample->tid);
2324 }
2325
2326 static int process_fork_event(struct perf_tool *tool,
2327                               union perf_event *event,
2328                               struct perf_sample *sample,
2329                               struct machine *machine)
2330 {
2331         if (perf_event__process_fork(tool, event, sample, machine) < 0)
2332                 return -1;
2333
2334         return print_event_with_time(tool, event, sample, machine,
2335                                      event->fork.pid, event->fork.tid,
2336                                      event->fork.time);
2337 }
2338 static int process_exit_event(struct perf_tool *tool,
2339                               union perf_event *event,
2340                               struct perf_sample *sample,
2341                               struct machine *machine)
2342 {
2343         /* Print before 'exit' deletes anything */
2344         if (print_event_with_time(tool, event, sample, machine, event->fork.pid,
2345                                   event->fork.tid, event->fork.time))
2346                 return -1;
2347
2348         return perf_event__process_exit(tool, event, sample, machine);
2349 }
2350
2351 static int process_mmap_event(struct perf_tool *tool,
2352                               union perf_event *event,
2353                               struct perf_sample *sample,
2354                               struct machine *machine)
2355 {
2356         if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2357                 return -1;
2358
2359         return print_event(tool, event, sample, machine, event->mmap.pid,
2360                            event->mmap.tid);
2361 }
2362
2363 static int process_mmap2_event(struct perf_tool *tool,
2364                               union perf_event *event,
2365                               struct perf_sample *sample,
2366                               struct machine *machine)
2367 {
2368         if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2369                 return -1;
2370
2371         return print_event(tool, event, sample, machine, event->mmap2.pid,
2372                            event->mmap2.tid);
2373 }
2374
2375 static int process_switch_event(struct perf_tool *tool,
2376                                 union perf_event *event,
2377                                 struct perf_sample *sample,
2378                                 struct machine *machine)
2379 {
2380         struct perf_script *script = container_of(tool, struct perf_script, tool);
2381
2382         if (perf_event__process_switch(tool, event, sample, machine) < 0)
2383                 return -1;
2384
2385         if (scripting_ops && scripting_ops->process_switch)
2386                 scripting_ops->process_switch(event, sample, machine);
2387
2388         if (!script->show_switch_events)
2389                 return 0;
2390
2391         return print_event(tool, event, sample, machine, sample->pid,
2392                            sample->tid);
2393 }
2394
2395 static int
2396 process_lost_event(struct perf_tool *tool,
2397                    union perf_event *event,
2398                    struct perf_sample *sample,
2399                    struct machine *machine)
2400 {
2401         return print_event(tool, event, sample, machine, sample->pid,
2402                            sample->tid);
2403 }
2404
2405 static int
2406 process_finished_round_event(struct perf_tool *tool __maybe_unused,
2407                              union perf_event *event,
2408                              struct ordered_events *oe __maybe_unused)
2409
2410 {
2411         perf_event__fprintf(event, NULL, stdout);
2412         return 0;
2413 }
2414
2415 static int
2416 process_bpf_events(struct perf_tool *tool __maybe_unused,
2417                    union perf_event *event,
2418                    struct perf_sample *sample,
2419                    struct machine *machine)
2420 {
2421         if (machine__process_ksymbol(machine, event, sample) < 0)
2422                 return -1;
2423
2424         return print_event(tool, event, sample, machine, sample->pid,
2425                            sample->tid);
2426 }
2427
2428 static int process_text_poke_events(struct perf_tool *tool,
2429                                     union perf_event *event,
2430                                     struct perf_sample *sample,
2431                                     struct machine *machine)
2432 {
2433         if (perf_event__process_text_poke(tool, event, sample, machine) < 0)
2434                 return -1;
2435
2436         return print_event(tool, event, sample, machine, sample->pid,
2437                            sample->tid);
2438 }
2439
2440 static void sig_handler(int sig __maybe_unused)
2441 {
2442         session_done = 1;
2443 }
2444
2445 static void perf_script__fclose_per_event_dump(struct perf_script *script)
2446 {
2447         struct evlist *evlist = script->session->evlist;
2448         struct evsel *evsel;
2449
2450         evlist__for_each_entry(evlist, evsel) {
2451                 if (!evsel->priv)
2452                         break;
2453                 perf_evsel_script__delete(evsel->priv);
2454                 evsel->priv = NULL;
2455         }
2456 }
2457
2458 static int perf_script__fopen_per_event_dump(struct perf_script *script)
2459 {
2460         struct evsel *evsel;
2461
2462         evlist__for_each_entry(script->session->evlist, evsel) {
2463                 /*
2464                  * Already setup? I.e. we may be called twice in cases like
2465                  * Intel PT, one for the intel_pt// and dummy events, then
2466                  * for the evsels syntheized from the auxtrace info.
2467                  *
2468                  * Ses perf_script__process_auxtrace_info.
2469                  */
2470                 if (evsel->priv != NULL)
2471                         continue;
2472
2473                 evsel->priv = perf_evsel_script__new(evsel, script->session->data);
2474                 if (evsel->priv == NULL)
2475                         goto out_err_fclose;
2476         }
2477
2478         return 0;
2479
2480 out_err_fclose:
2481         perf_script__fclose_per_event_dump(script);
2482         return -1;
2483 }
2484
2485 static int perf_script__setup_per_event_dump(struct perf_script *script)
2486 {
2487         struct evsel *evsel;
2488         static struct evsel_script es_stdout;
2489
2490         if (script->per_event_dump)
2491                 return perf_script__fopen_per_event_dump(script);
2492
2493         es_stdout.fp = stdout;
2494
2495         evlist__for_each_entry(script->session->evlist, evsel)
2496                 evsel->priv = &es_stdout;
2497
2498         return 0;
2499 }
2500
2501 static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2502 {
2503         struct evsel *evsel;
2504
2505         evlist__for_each_entry(script->session->evlist, evsel) {
2506                 struct evsel_script *es = evsel->priv;
2507
2508                 perf_evsel_script__fprintf(es, stdout);
2509                 perf_evsel_script__delete(es);
2510                 evsel->priv = NULL;
2511         }
2512 }
2513
2514 static int __cmd_script(struct perf_script *script)
2515 {
2516         int ret;
2517
2518         signal(SIGINT, sig_handler);
2519
2520         perf_stat__init_shadow_stats();
2521
2522         /* override event processing functions */
2523         if (script->show_task_events) {
2524                 script->tool.comm = process_comm_event;
2525                 script->tool.fork = process_fork_event;
2526                 script->tool.exit = process_exit_event;
2527         }
2528         if (script->show_mmap_events) {
2529                 script->tool.mmap = process_mmap_event;
2530                 script->tool.mmap2 = process_mmap2_event;
2531         }
2532         if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch))
2533                 script->tool.context_switch = process_switch_event;
2534         if (script->show_namespace_events)
2535                 script->tool.namespaces = process_namespaces_event;
2536         if (script->show_cgroup_events)
2537                 script->tool.cgroup = process_cgroup_event;
2538         if (script->show_lost_events)
2539                 script->tool.lost = process_lost_event;
2540         if (script->show_round_events) {
2541                 script->tool.ordered_events = false;
2542                 script->tool.finished_round = process_finished_round_event;
2543         }
2544         if (script->show_bpf_events) {
2545                 script->tool.ksymbol = process_bpf_events;
2546                 script->tool.bpf     = process_bpf_events;
2547         }
2548         if (script->show_text_poke_events) {
2549                 script->tool.ksymbol   = process_bpf_events;
2550                 script->tool.text_poke = process_text_poke_events;
2551         }
2552
2553         if (perf_script__setup_per_event_dump(script)) {
2554                 pr_err("Couldn't create the per event dump files\n");
2555                 return -1;
2556         }
2557
2558         ret = perf_session__process_events(script->session);
2559
2560         if (script->per_event_dump)
2561                 perf_script__exit_per_event_dump_stats(script);
2562
2563         if (debug_mode)
2564                 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2565
2566         return ret;
2567 }
2568
2569 struct script_spec {
2570         struct list_head        node;
2571         struct scripting_ops    *ops;
2572         char                    spec[];
2573 };
2574
2575 static LIST_HEAD(script_specs);
2576
2577 static struct script_spec *script_spec__new(const char *spec,
2578                                             struct scripting_ops *ops)
2579 {
2580         struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2581
2582         if (s != NULL) {
2583                 strcpy(s->spec, spec);
2584                 s->ops = ops;
2585         }
2586
2587         return s;
2588 }
2589
2590 static void script_spec__add(struct script_spec *s)
2591 {
2592         list_add_tail(&s->node, &script_specs);
2593 }
2594
2595 static struct script_spec *script_spec__find(const char *spec)
2596 {
2597         struct script_spec *s;
2598
2599         list_for_each_entry(s, &script_specs, node)
2600                 if (strcasecmp(s->spec, spec) == 0)
2601                         return s;
2602         return NULL;
2603 }
2604
2605 int script_spec_register(const char *spec, struct scripting_ops *ops)
2606 {
2607         struct script_spec *s;
2608
2609         s = script_spec__find(spec);
2610         if (s)
2611                 return -1;
2612
2613         s = script_spec__new(spec, ops);
2614         if (!s)
2615                 return -1;
2616         else
2617                 script_spec__add(s);
2618
2619         return 0;
2620 }
2621
2622 static struct scripting_ops *script_spec__lookup(const char *spec)
2623 {
2624         struct script_spec *s = script_spec__find(spec);
2625         if (!s)
2626                 return NULL;
2627
2628         return s->ops;
2629 }
2630
2631 static void list_available_languages(void)
2632 {
2633         struct script_spec *s;
2634
2635         fprintf(stderr, "\n");
2636         fprintf(stderr, "Scripting language extensions (used in "
2637                 "perf script -s [spec:]script.[spec]):\n\n");
2638
2639         list_for_each_entry(s, &script_specs, node)
2640                 fprintf(stderr, "  %-42s [%s]\n", s->spec, s->ops->name);
2641
2642         fprintf(stderr, "\n");
2643 }
2644
2645 static int parse_scriptname(const struct option *opt __maybe_unused,
2646                             const char *str, int unset __maybe_unused)
2647 {
2648         char spec[PATH_MAX];
2649         const char *script, *ext;
2650         int len;
2651
2652         if (strcmp(str, "lang") == 0) {
2653                 list_available_languages();
2654                 exit(0);
2655         }
2656
2657         script = strchr(str, ':');
2658         if (script) {
2659                 len = script - str;
2660                 if (len >= PATH_MAX) {
2661                         fprintf(stderr, "invalid language specifier");
2662                         return -1;
2663                 }
2664                 strncpy(spec, str, len);
2665                 spec[len] = '\0';
2666                 scripting_ops = script_spec__lookup(spec);
2667                 if (!scripting_ops) {
2668                         fprintf(stderr, "invalid language specifier");
2669                         return -1;
2670                 }
2671                 script++;
2672         } else {
2673                 script = str;
2674                 ext = strrchr(script, '.');
2675                 if (!ext) {
2676                         fprintf(stderr, "invalid script extension");
2677                         return -1;
2678                 }
2679                 scripting_ops = script_spec__lookup(++ext);
2680                 if (!scripting_ops) {
2681                         fprintf(stderr, "invalid script extension");
2682                         return -1;
2683                 }
2684         }
2685
2686         script_name = strdup(script);
2687
2688         return 0;
2689 }
2690
2691 static int parse_output_fields(const struct option *opt __maybe_unused,
2692                             const char *arg, int unset __maybe_unused)
2693 {
2694         char *tok, *strtok_saveptr = NULL;
2695         int i, imax = ARRAY_SIZE(all_output_options);
2696         int j;
2697         int rc = 0;
2698         char *str = strdup(arg);
2699         int type = -1;
2700         enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
2701
2702         if (!str)
2703                 return -ENOMEM;
2704
2705         /* first word can state for which event type the user is specifying
2706          * the fields. If no type exists, the specified fields apply to all
2707          * event types found in the file minus the invalid fields for a type.
2708          */
2709         tok = strchr(str, ':');
2710         if (tok) {
2711                 *tok = '\0';
2712                 tok++;
2713                 if (!strcmp(str, "hw"))
2714                         type = PERF_TYPE_HARDWARE;
2715                 else if (!strcmp(str, "sw"))
2716                         type = PERF_TYPE_SOFTWARE;
2717                 else if (!strcmp(str, "trace"))
2718                         type = PERF_TYPE_TRACEPOINT;
2719                 else if (!strcmp(str, "raw"))
2720                         type = PERF_TYPE_RAW;
2721                 else if (!strcmp(str, "break"))
2722                         type = PERF_TYPE_BREAKPOINT;
2723                 else if (!strcmp(str, "synth"))
2724                         type = OUTPUT_TYPE_SYNTH;
2725                 else {
2726                         fprintf(stderr, "Invalid event type in field string.\n");
2727                         rc = -EINVAL;
2728                         goto out;
2729                 }
2730
2731                 if (output[type].user_set)
2732                         pr_warning("Overriding previous field request for %s events.\n",
2733                                    event_type(type));
2734
2735                 /* Don't override defaults for +- */
2736                 if (strchr(tok, '+') || strchr(tok, '-'))
2737                         goto parse;
2738
2739                 output[type].fields = 0;
2740                 output[type].user_set = true;
2741                 output[type].wildcard_set = false;
2742
2743         } else {
2744                 tok = str;
2745                 if (strlen(str) == 0) {
2746                         fprintf(stderr,
2747                                 "Cannot set fields to 'none' for all event types.\n");
2748                         rc = -EINVAL;
2749                         goto out;
2750                 }
2751
2752                 /* Don't override defaults for +- */
2753                 if (strchr(str, '+') || strchr(str, '-'))
2754                         goto parse;
2755
2756                 if (output_set_by_user())
2757                         pr_warning("Overriding previous field request for all events.\n");
2758
2759                 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2760                         output[j].fields = 0;
2761                         output[j].user_set = true;
2762                         output[j].wildcard_set = true;
2763                 }
2764         }
2765
2766 parse:
2767         for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
2768                 if (*tok == '+') {
2769                         if (change == SET)
2770                                 goto out_badmix;
2771                         change = ADD;
2772                         tok++;
2773                 } else if (*tok == '-') {
2774                         if (change == SET)
2775                                 goto out_badmix;
2776                         change = REMOVE;
2777                         tok++;
2778                 } else {
2779                         if (change != SET && change != DEFAULT)
2780                                 goto out_badmix;
2781                         change = SET;
2782                 }
2783
2784                 for (i = 0; i < imax; ++i) {
2785                         if (strcmp(tok, all_output_options[i].str) == 0)
2786                                 break;
2787                 }
2788                 if (i == imax && strcmp(tok, "flags") == 0) {
2789                         print_flags = change == REMOVE ? false : true;
2790                         continue;
2791                 }
2792                 if (i == imax) {
2793                         fprintf(stderr, "Invalid field requested.\n");
2794                         rc = -EINVAL;
2795                         goto out;
2796                 }
2797
2798                 if (type == -1) {
2799                         /* add user option to all events types for
2800                          * which it is valid
2801                          */
2802                         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2803                                 if (output[j].invalid_fields & all_output_options[i].field) {
2804                                         pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
2805                                                    all_output_options[i].str, event_type(j));
2806                                 } else {
2807                                         if (change == REMOVE) {
2808                                                 output[j].fields &= ~all_output_options[i].field;
2809                                                 output[j].user_set_fields &= ~all_output_options[i].field;
2810                                                 output[j].user_unset_fields |= all_output_options[i].field;
2811                                         } else {
2812                                                 output[j].fields |= all_output_options[i].field;
2813                                                 output[j].user_set_fields |= all_output_options[i].field;
2814                                                 output[j].user_unset_fields &= ~all_output_options[i].field;
2815                                         }
2816                                         output[j].user_set = true;
2817                                         output[j].wildcard_set = true;
2818                                 }
2819                         }
2820                 } else {
2821                         if (output[type].invalid_fields & all_output_options[i].field) {
2822                                 fprintf(stderr, "\'%s\' not valid for %s events.\n",
2823                                          all_output_options[i].str, event_type(type));
2824
2825                                 rc = -EINVAL;
2826                                 goto out;
2827                         }
2828                         if (change == REMOVE)
2829                                 output[type].fields &= ~all_output_options[i].field;
2830                         else
2831                                 output[type].fields |= all_output_options[i].field;
2832                         output[type].user_set = true;
2833                         output[type].wildcard_set = true;
2834                 }
2835         }
2836
2837         if (type >= 0) {
2838                 if (output[type].fields == 0) {
2839                         pr_debug("No fields requested for %s type. "
2840                                  "Events will not be displayed.\n", event_type(type));
2841                 }
2842         }
2843         goto out;
2844
2845 out_badmix:
2846         fprintf(stderr, "Cannot mix +-field with overridden fields\n");
2847         rc = -EINVAL;
2848 out:
2849         free(str);
2850         return rc;
2851 }
2852
2853 #define for_each_lang(scripts_path, scripts_dir, lang_dirent)           \
2854         while ((lang_dirent = readdir(scripts_dir)) != NULL)            \
2855                 if ((lang_dirent->d_type == DT_DIR ||                   \
2856                      (lang_dirent->d_type == DT_UNKNOWN &&              \
2857                       is_directory(scripts_path, lang_dirent))) &&      \
2858                     (strcmp(lang_dirent->d_name, ".")) &&               \
2859                     (strcmp(lang_dirent->d_name, "..")))
2860
2861 #define for_each_script(lang_path, lang_dir, script_dirent)             \
2862         while ((script_dirent = readdir(lang_dir)) != NULL)             \
2863                 if (script_dirent->d_type != DT_DIR &&                  \
2864                     (script_dirent->d_type != DT_UNKNOWN ||             \
2865                      !is_directory(lang_path, script_dirent)))
2866
2867
2868 #define RECORD_SUFFIX                   "-record"
2869 #define REPORT_SUFFIX                   "-report"
2870
2871 struct script_desc {
2872         struct list_head        node;
2873         char                    *name;
2874         char                    *half_liner;
2875         char                    *args;
2876 };
2877
2878 static LIST_HEAD(script_descs);
2879
2880 static struct script_desc *script_desc__new(const char *name)
2881 {
2882         struct script_desc *s = zalloc(sizeof(*s));
2883
2884         if (s != NULL && name)
2885                 s->name = strdup(name);
2886
2887         return s;
2888 }
2889
2890 static void script_desc__delete(struct script_desc *s)
2891 {
2892         zfree(&s->name);
2893         zfree(&s->half_liner);
2894         zfree(&s->args);
2895         free(s);
2896 }
2897
2898 static void script_desc__add(struct script_desc *s)
2899 {
2900         list_add_tail(&s->node, &script_descs);
2901 }
2902
2903 static struct script_desc *script_desc__find(const char *name)
2904 {
2905         struct script_desc *s;
2906
2907         list_for_each_entry(s, &script_descs, node)
2908                 if (strcasecmp(s->name, name) == 0)
2909                         return s;
2910         return NULL;
2911 }
2912
2913 static struct script_desc *script_desc__findnew(const char *name)
2914 {
2915         struct script_desc *s = script_desc__find(name);
2916
2917         if (s)
2918                 return s;
2919
2920         s = script_desc__new(name);
2921         if (!s)
2922                 return NULL;
2923
2924         script_desc__add(s);
2925
2926         return s;
2927 }
2928
2929 static const char *ends_with(const char *str, const char *suffix)
2930 {
2931         size_t suffix_len = strlen(suffix);
2932         const char *p = str;
2933
2934         if (strlen(str) > suffix_len) {
2935                 p = str + strlen(str) - suffix_len;
2936                 if (!strncmp(p, suffix, suffix_len))
2937                         return p;
2938         }
2939
2940         return NULL;
2941 }
2942
2943 static int read_script_info(struct script_desc *desc, const char *filename)
2944 {
2945         char line[BUFSIZ], *p;
2946         FILE *fp;
2947
2948         fp = fopen(filename, "r");
2949         if (!fp)
2950                 return -1;
2951
2952         while (fgets(line, sizeof(line), fp)) {
2953                 p = skip_spaces(line);
2954                 if (strlen(p) == 0)
2955                         continue;
2956                 if (*p != '#')
2957                         continue;
2958                 p++;
2959                 if (strlen(p) && *p == '!')
2960                         continue;
2961
2962                 p = skip_spaces(p);
2963                 if (strlen(p) && p[strlen(p) - 1] == '\n')
2964                         p[strlen(p) - 1] = '\0';
2965
2966                 if (!strncmp(p, "description:", strlen("description:"))) {
2967                         p += strlen("description:");
2968                         desc->half_liner = strdup(skip_spaces(p));
2969                         continue;
2970                 }
2971
2972                 if (!strncmp(p, "args:", strlen("args:"))) {
2973                         p += strlen("args:");
2974                         desc->args = strdup(skip_spaces(p));
2975                         continue;
2976                 }
2977         }
2978
2979         fclose(fp);
2980
2981         return 0;
2982 }
2983
2984 static char *get_script_root(struct dirent *script_dirent, const char *suffix)
2985 {
2986         char *script_root, *str;
2987
2988         script_root = strdup(script_dirent->d_name);
2989         if (!script_root)
2990                 return NULL;
2991
2992         str = (char *)ends_with(script_root, suffix);
2993         if (!str) {
2994                 free(script_root);
2995                 return NULL;
2996         }
2997
2998         *str = '\0';
2999         return script_root;
3000 }
3001
3002 static int list_available_scripts(const struct option *opt __maybe_unused,
3003                                   const char *s __maybe_unused,
3004                                   int unset __maybe_unused)
3005 {
3006         struct dirent *script_dirent, *lang_dirent;
3007         char scripts_path[MAXPATHLEN];
3008         DIR *scripts_dir, *lang_dir;
3009         char script_path[MAXPATHLEN];
3010         char lang_path[MAXPATHLEN];
3011         struct script_desc *desc;
3012         char first_half[BUFSIZ];
3013         char *script_root;
3014
3015         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3016
3017         scripts_dir = opendir(scripts_path);
3018         if (!scripts_dir) {
3019                 fprintf(stdout,
3020                         "open(%s) failed.\n"
3021                         "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
3022                         scripts_path);
3023                 exit(-1);
3024         }
3025
3026         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3027                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3028                           lang_dirent->d_name);
3029                 lang_dir = opendir(lang_path);
3030                 if (!lang_dir)
3031                         continue;
3032
3033                 for_each_script(lang_path, lang_dir, script_dirent) {
3034                         script_root = get_script_root(script_dirent, REPORT_SUFFIX);
3035                         if (script_root) {
3036                                 desc = script_desc__findnew(script_root);
3037                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3038                                           lang_path, script_dirent->d_name);
3039                                 read_script_info(desc, script_path);
3040                                 free(script_root);
3041                         }
3042                 }
3043         }
3044
3045         fprintf(stdout, "List of available trace scripts:\n");
3046         list_for_each_entry(desc, &script_descs, node) {
3047                 sprintf(first_half, "%s %s", desc->name,
3048                         desc->args ? desc->args : "");
3049                 fprintf(stdout, "  %-36s %s\n", first_half,
3050                         desc->half_liner ? desc->half_liner : "");
3051         }
3052
3053         exit(0);
3054 }
3055
3056 /*
3057  * Some scripts specify the required events in their "xxx-record" file,
3058  * this function will check if the events in perf.data match those
3059  * mentioned in the "xxx-record".
3060  *
3061  * Fixme: All existing "xxx-record" are all in good formats "-e event ",
3062  * which is covered well now. And new parsing code should be added to
3063  * cover the future complexing formats like event groups etc.
3064  */
3065 static int check_ev_match(char *dir_name, char *scriptname,
3066                         struct perf_session *session)
3067 {
3068         char filename[MAXPATHLEN], evname[128];
3069         char line[BUFSIZ], *p;
3070         struct evsel *pos;
3071         int match, len;
3072         FILE *fp;
3073
3074         scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
3075
3076         fp = fopen(filename, "r");
3077         if (!fp)
3078                 return -1;
3079
3080         while (fgets(line, sizeof(line), fp)) {
3081                 p = skip_spaces(line);
3082                 if (*p == '#')
3083                         continue;
3084
3085                 while (strlen(p)) {
3086                         p = strstr(p, "-e");
3087                         if (!p)
3088                                 break;
3089
3090                         p += 2;
3091                         p = skip_spaces(p);
3092                         len = strcspn(p, " \t");
3093                         if (!len)
3094                                 break;
3095
3096                         snprintf(evname, len + 1, "%s", p);
3097
3098                         match = 0;
3099                         evlist__for_each_entry(session->evlist, pos) {
3100                                 if (!strcmp(evsel__name(pos), evname)) {
3101                                         match = 1;
3102                                         break;
3103                                 }
3104                         }
3105
3106                         if (!match) {
3107                                 fclose(fp);
3108                                 return -1;
3109                         }
3110                 }
3111         }
3112
3113         fclose(fp);
3114         return 0;
3115 }
3116
3117 /*
3118  * Return -1 if none is found, otherwise the actual scripts number.
3119  *
3120  * Currently the only user of this function is the script browser, which
3121  * will list all statically runnable scripts, select one, execute it and
3122  * show the output in a perf browser.
3123  */
3124 int find_scripts(char **scripts_array, char **scripts_path_array, int num,
3125                  int pathlen)
3126 {
3127         struct dirent *script_dirent, *lang_dirent;
3128         char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
3129         DIR *scripts_dir, *lang_dir;
3130         struct perf_session *session;
3131         struct perf_data data = {
3132                 .path = input_name,
3133                 .mode = PERF_DATA_MODE_READ,
3134         };
3135         char *temp;
3136         int i = 0;
3137
3138         session = perf_session__new(&data, false, NULL);
3139         if (IS_ERR(session))
3140                 return PTR_ERR(session);
3141
3142         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3143
3144         scripts_dir = opendir(scripts_path);
3145         if (!scripts_dir) {
3146                 perf_session__delete(session);
3147                 return -1;
3148         }
3149
3150         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3151                 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
3152                           lang_dirent->d_name);
3153 #ifndef HAVE_LIBPERL_SUPPORT
3154                 if (strstr(lang_path, "perl"))
3155                         continue;
3156 #endif
3157 #ifndef HAVE_LIBPYTHON_SUPPORT
3158                 if (strstr(lang_path, "python"))
3159                         continue;
3160 #endif
3161
3162                 lang_dir = opendir(lang_path);
3163                 if (!lang_dir)
3164                         continue;
3165
3166                 for_each_script(lang_path, lang_dir, script_dirent) {
3167                         /* Skip those real time scripts: xxxtop.p[yl] */
3168                         if (strstr(script_dirent->d_name, "top."))
3169                                 continue;
3170                         if (i >= num)
3171                                 break;
3172                         snprintf(scripts_path_array[i], pathlen, "%s/%s",
3173                                 lang_path,
3174                                 script_dirent->d_name);
3175                         temp = strchr(script_dirent->d_name, '.');
3176                         snprintf(scripts_array[i],
3177                                 (temp - script_dirent->d_name) + 1,
3178                                 "%s", script_dirent->d_name);
3179
3180                         if (check_ev_match(lang_path,
3181                                         scripts_array[i], session))
3182                                 continue;
3183
3184                         i++;
3185                 }
3186                 closedir(lang_dir);
3187         }
3188
3189         closedir(scripts_dir);
3190         perf_session__delete(session);
3191         return i;
3192 }
3193
3194 static char *get_script_path(const char *script_root, const char *suffix)
3195 {
3196         struct dirent *script_dirent, *lang_dirent;
3197         char scripts_path[MAXPATHLEN];
3198         char script_path[MAXPATHLEN];
3199         DIR *scripts_dir, *lang_dir;
3200         char lang_path[MAXPATHLEN];
3201         char *__script_root;
3202
3203         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3204
3205         scripts_dir = opendir(scripts_path);
3206         if (!scripts_dir)
3207                 return NULL;
3208
3209         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3210                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3211                           lang_dirent->d_name);
3212                 lang_dir = opendir(lang_path);
3213                 if (!lang_dir)
3214                         continue;
3215
3216                 for_each_script(lang_path, lang_dir, script_dirent) {
3217                         __script_root = get_script_root(script_dirent, suffix);
3218                         if (__script_root && !strcmp(script_root, __script_root)) {
3219                                 free(__script_root);
3220                                 closedir(scripts_dir);
3221                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3222                                           lang_path, script_dirent->d_name);
3223                                 closedir(lang_dir);
3224                                 return strdup(script_path);
3225                         }
3226                         free(__script_root);
3227                 }
3228                 closedir(lang_dir);
3229         }
3230         closedir(scripts_dir);
3231
3232         return NULL;
3233 }
3234
3235 static bool is_top_script(const char *script_path)
3236 {
3237         return ends_with(script_path, "top") == NULL ? false : true;
3238 }
3239
3240 static int has_required_arg(char *script_path)
3241 {
3242         struct script_desc *desc;
3243         int n_args = 0;
3244         char *p;
3245
3246         desc = script_desc__new(NULL);
3247
3248         if (read_script_info(desc, script_path))
3249                 goto out;
3250
3251         if (!desc->args)
3252                 goto out;
3253
3254         for (p = desc->args; *p; p++)
3255                 if (*p == '<')
3256                         n_args++;
3257 out:
3258         script_desc__delete(desc);
3259
3260         return n_args;
3261 }
3262
3263 static int have_cmd(int argc, const char **argv)
3264 {
3265         char **__argv = malloc(sizeof(const char *) * argc);
3266
3267         if (!__argv) {
3268                 pr_err("malloc failed\n");
3269                 return -1;
3270         }
3271
3272         memcpy(__argv, argv, sizeof(const char *) * argc);
3273         argc = parse_options(argc, (const char **)__argv, record_options,
3274                              NULL, PARSE_OPT_STOP_AT_NON_OPTION);
3275         free(__argv);
3276
3277         system_wide = (argc == 0);
3278
3279         return 0;
3280 }
3281
3282 static void script__setup_sample_type(struct perf_script *script)
3283 {
3284         struct perf_session *session = script->session;
3285         u64 sample_type = evlist__combined_sample_type(session->evlist);
3286
3287         if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
3288                 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
3289                     (sample_type & PERF_SAMPLE_STACK_USER)) {
3290                         callchain_param.record_mode = CALLCHAIN_DWARF;
3291                         dwarf_callchain_users = true;
3292                 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
3293                         callchain_param.record_mode = CALLCHAIN_LBR;
3294                 else
3295                         callchain_param.record_mode = CALLCHAIN_FP;
3296         }
3297
3298         if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) {
3299                 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
3300                            "Please apply --call-graph lbr when recording.\n");
3301                 script->stitch_lbr = false;
3302         }
3303 }
3304
3305 static int process_stat_round_event(struct perf_session *session,
3306                                     union perf_event *event)
3307 {
3308         struct perf_record_stat_round *round = &event->stat_round;
3309         struct evsel *counter;
3310
3311         evlist__for_each_entry(session->evlist, counter) {
3312                 perf_stat_process_counter(&stat_config, counter);
3313                 process_stat(counter, round->time);
3314         }
3315
3316         process_stat_interval(round->time);
3317         return 0;
3318 }
3319
3320 static int process_stat_config_event(struct perf_session *session __maybe_unused,
3321                                      union perf_event *event)
3322 {
3323         perf_event__read_stat_config(&stat_config, &event->stat_config);
3324         return 0;
3325 }
3326
3327 static int set_maps(struct perf_script *script)
3328 {
3329         struct evlist *evlist = script->session->evlist;
3330
3331         if (!script->cpus || !script->threads)
3332                 return 0;
3333
3334         if (WARN_ONCE(script->allocated, "stats double allocation\n"))
3335                 return -EINVAL;
3336
3337         perf_evlist__set_maps(&evlist->core, script->cpus, script->threads);
3338
3339         if (evlist__alloc_stats(evlist, true))
3340                 return -ENOMEM;
3341
3342         script->allocated = true;
3343         return 0;
3344 }
3345
3346 static
3347 int process_thread_map_event(struct perf_session *session,
3348                              union perf_event *event)
3349 {
3350         struct perf_tool *tool = session->tool;
3351         struct perf_script *script = container_of(tool, struct perf_script, tool);
3352
3353         if (script->threads) {
3354                 pr_warning("Extra thread map event, ignoring.\n");
3355                 return 0;
3356         }
3357
3358         script->threads = thread_map__new_event(&event->thread_map);
3359         if (!script->threads)
3360                 return -ENOMEM;
3361
3362         return set_maps(script);
3363 }
3364
3365 static
3366 int process_cpu_map_event(struct perf_session *session,
3367                           union perf_event *event)
3368 {
3369         struct perf_tool *tool = session->tool;
3370         struct perf_script *script = container_of(tool, struct perf_script, tool);
3371
3372         if (script->cpus) {
3373                 pr_warning("Extra cpu map event, ignoring.\n");
3374                 return 0;
3375         }
3376
3377         script->cpus = cpu_map__new_data(&event->cpu_map.data);
3378         if (!script->cpus)
3379                 return -ENOMEM;
3380
3381         return set_maps(script);
3382 }
3383
3384 static int process_feature_event(struct perf_session *session,
3385                                  union perf_event *event)
3386 {
3387         if (event->feat.feat_id < HEADER_LAST_FEATURE)
3388                 return perf_event__process_feature(session, event);
3389         return 0;
3390 }
3391
3392 #ifdef HAVE_AUXTRACE_SUPPORT
3393 static int perf_script__process_auxtrace_info(struct perf_session *session,
3394                                               union perf_event *event)
3395 {
3396         struct perf_tool *tool = session->tool;
3397
3398         int ret = perf_event__process_auxtrace_info(session, event);
3399
3400         if (ret == 0) {
3401                 struct perf_script *script = container_of(tool, struct perf_script, tool);
3402
3403                 ret = perf_script__setup_per_event_dump(script);
3404         }
3405
3406         return ret;
3407 }
3408 #else
3409 #define perf_script__process_auxtrace_info 0
3410 #endif
3411
3412 static int parse_insn_trace(const struct option *opt __maybe_unused,
3413                             const char *str __maybe_unused,
3414                             int unset __maybe_unused)
3415 {
3416         parse_output_fields(NULL, "+insn,-event,-period", 0);
3417         itrace_parse_synth_opts(opt, "i0ns", 0);
3418         symbol_conf.nanosecs = true;
3419         return 0;
3420 }
3421
3422 static int parse_xed(const struct option *opt __maybe_unused,
3423                      const char *str __maybe_unused,
3424                      int unset __maybe_unused)
3425 {
3426         if (isatty(1))
3427                 force_pager("xed -F insn: -A -64 | less");
3428         else
3429                 force_pager("xed -F insn: -A -64");
3430         return 0;
3431 }
3432
3433 static int parse_call_trace(const struct option *opt __maybe_unused,
3434                             const char *str __maybe_unused,
3435                             int unset __maybe_unused)
3436 {
3437         parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
3438         itrace_parse_synth_opts(opt, "cewp", 0);
3439         symbol_conf.nanosecs = true;
3440         symbol_conf.pad_output_len_dso = 50;
3441         return 0;
3442 }
3443
3444 static int parse_callret_trace(const struct option *opt __maybe_unused,
3445                             const char *str __maybe_unused,
3446                             int unset __maybe_unused)
3447 {
3448         parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
3449         itrace_parse_synth_opts(opt, "crewp", 0);
3450         symbol_conf.nanosecs = true;
3451         return 0;
3452 }
3453
3454 int cmd_script(int argc, const char **argv)
3455 {
3456         bool show_full_info = false;
3457         bool header = false;
3458         bool header_only = false;
3459         bool script_started = false;
3460         char *rec_script_path = NULL;
3461         char *rep_script_path = NULL;
3462         struct perf_session *session;
3463         struct itrace_synth_opts itrace_synth_opts = {
3464                 .set = false,
3465                 .default_no_sample = true,
3466         };
3467         struct utsname uts;
3468         char *script_path = NULL;
3469         const char **__argv;
3470         int i, j, err = 0;
3471         struct perf_script script = {
3472                 .tool = {
3473                         .sample          = process_sample_event,
3474                         .mmap            = perf_event__process_mmap,
3475                         .mmap2           = perf_event__process_mmap2,
3476                         .comm            = perf_event__process_comm,
3477                         .namespaces      = perf_event__process_namespaces,
3478                         .cgroup          = perf_event__process_cgroup,
3479                         .exit            = perf_event__process_exit,
3480                         .fork            = perf_event__process_fork,
3481                         .attr            = process_attr,
3482                         .event_update   = perf_event__process_event_update,
3483                         .tracing_data    = perf_event__process_tracing_data,
3484                         .feature         = process_feature_event,
3485                         .build_id        = perf_event__process_build_id,
3486                         .id_index        = perf_event__process_id_index,
3487                         .auxtrace_info   = perf_script__process_auxtrace_info,
3488                         .auxtrace        = perf_event__process_auxtrace,
3489                         .auxtrace_error  = perf_event__process_auxtrace_error,
3490                         .stat            = perf_event__process_stat_event,
3491                         .stat_round      = process_stat_round_event,
3492                         .stat_config     = process_stat_config_event,
3493                         .thread_map      = process_thread_map_event,
3494                         .cpu_map         = process_cpu_map_event,
3495                         .ordered_events  = true,
3496                         .ordering_requires_timestamps = true,
3497                 },
3498         };
3499         struct perf_data data = {
3500                 .mode = PERF_DATA_MODE_READ,
3501         };
3502         const struct option options[] = {
3503         OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3504                     "dump raw trace in ASCII"),
3505         OPT_INCR('v', "verbose", &verbose,
3506                  "be more verbose (show symbol address, etc)"),
3507         OPT_BOOLEAN('L', "Latency", &latency_format,
3508                     "show latency attributes (irqs/preemption disabled, etc)"),
3509         OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3510                            list_available_scripts),
3511         OPT_CALLBACK('s', "script", NULL, "name",
3512                      "script file name (lang:script name, script name, or *)",
3513                      parse_scriptname),
3514         OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3515                    "generate perf-script.xx script in specified language"),
3516         OPT_STRING('i', "input", &input_name, "file", "input file name"),
3517         OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3518                    "do various checks like samples ordering and lost events"),
3519         OPT_BOOLEAN(0, "header", &header, "Show data header."),
3520         OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3521         OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3522                    "file", "vmlinux pathname"),
3523         OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3524                    "file", "kallsyms pathname"),
3525         OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3526                     "When printing symbols do not display call chain"),
3527         OPT_CALLBACK(0, "symfs", NULL, "directory",
3528                      "Look for files with symbols relative to this directory",
3529                      symbol__config_symfs),
3530         OPT_CALLBACK('F', "fields", NULL, "str",
3531                      "comma separated output fields prepend with 'type:'. "
3532                      "+field to add and -field to remove."
3533                      "Valid types: hw,sw,trace,raw,synth. "
3534                      "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
3535                      "addr,symoff,srcline,period,iregs,uregs,brstack,"
3536                      "brstacksym,flags,bpf-output,brstackinsn,brstackoff,"
3537                      "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc,tod,"
3538                      "data_page_size",
3539                      parse_output_fields),
3540         OPT_BOOLEAN('a', "all-cpus", &system_wide,
3541                     "system-wide collection from all CPUs"),
3542         OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3543                    "only consider these symbols"),
3544         OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL,
3545                         "Decode instructions from itrace", parse_insn_trace),
3546         OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
3547                         "Run xed disassembler on output", parse_xed),
3548         OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
3549                         "Decode calls from from itrace", parse_call_trace),
3550         OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
3551                         "Decode calls and returns from itrace", parse_callret_trace),
3552         OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",
3553                         "Only print symbols and callees with --call-trace/--call-ret-trace"),
3554         OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3555                    "Stop display of callgraph at these symbols"),
3556         OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3557         OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3558                    "only display events for these comms"),
3559         OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3560                    "only consider symbols in these pids"),
3561         OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3562                    "only consider symbols in these tids"),
3563         OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3564                      "Set the maximum stack depth when parsing the callchain, "
3565                      "anything beyond the specified depth will be ignored. "
3566                      "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3567         OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"),
3568         OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"),
3569         OPT_BOOLEAN('I', "show-info", &show_full_info,
3570                     "display extended information from perf.data file"),
3571         OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3572                     "Show the path of [kernel.kallsyms]"),
3573         OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3574                     "Show the fork/comm/exit events"),
3575         OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3576                     "Show the mmap events"),
3577         OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3578                     "Show context switch events (if recorded)"),
3579         OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3580                     "Show namespace events (if recorded)"),
3581         OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events,
3582                     "Show cgroup events (if recorded)"),
3583         OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3584                     "Show lost events (if recorded)"),
3585         OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3586                     "Show round events (if recorded)"),
3587         OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events,
3588                     "Show bpf related events (if recorded)"),
3589         OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events,
3590                     "Show text poke related events (if recorded)"),
3591         OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
3592                     "Dump trace output to files named by the monitored events"),
3593         OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3594         OPT_INTEGER(0, "max-blocks", &max_blocks,
3595                     "Maximum number of code blocks to dump with brstackinsn"),
3596         OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs,
3597                     "Use 9 decimal places when displaying time"),
3598         OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
3599                             "Instruction Tracing options\n" ITRACE_HELP,
3600                             itrace_parse_synth_opts),
3601         OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
3602                         "Show full source file name path for source lines"),
3603         OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
3604                         "Enable symbol demangling"),
3605         OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
3606                         "Enable kernel symbol demangling"),
3607         OPT_STRING(0, "time", &script.time_str, "str",
3608                    "Time span of interest (start,stop)"),
3609         OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
3610                     "Show inline function"),
3611         OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
3612                    "guest mount directory under which every guest os"
3613                    " instance has a subdir"),
3614         OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name,
3615                    "file", "file saving guest os vmlinux"),
3616         OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms,
3617                    "file", "file saving guest os /proc/kallsyms"),
3618         OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
3619                    "file", "file saving guest os /proc/modules"),
3620         OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr,
3621                     "Enable LBR callgraph stitching approach"),
3622         OPTS_EVSWITCH(&script.evswitch),
3623         OPT_END()
3624         };
3625         const char * const script_subcommands[] = { "record", "report", NULL };
3626         const char *script_usage[] = {
3627                 "perf script [<options>]",
3628                 "perf script [<options>] record <script> [<record-options>] <command>",
3629                 "perf script [<options>] report <script> [script-args]",
3630                 "perf script [<options>] <script> [<record-options>] <command>",
3631                 "perf script [<options>] <top-script> [script-args]",
3632                 NULL
3633         };
3634
3635         perf_set_singlethreaded();
3636
3637         setup_scripting();
3638
3639         argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3640                              PARSE_OPT_STOP_AT_NON_OPTION);
3641
3642         if (symbol_conf.guestmount ||
3643             symbol_conf.default_guest_vmlinux_name ||
3644             symbol_conf.default_guest_kallsyms ||
3645             symbol_conf.default_guest_modules) {
3646                 /*
3647                  * Enable guest sample processing.
3648                  */
3649                 perf_guest = true;
3650         }
3651
3652         data.path  = input_name;
3653         data.force = symbol_conf.force;
3654
3655         if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
3656                 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
3657                 if (!rec_script_path)
3658                         return cmd_record(argc, argv);
3659         }
3660
3661         if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
3662                 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
3663                 if (!rep_script_path) {
3664                         fprintf(stderr,
3665                                 "Please specify a valid report script"
3666                                 "(see 'perf script -l' for listing)\n");
3667                         return -1;
3668                 }
3669         }
3670
3671         if (reltime && deltatime) {
3672                 fprintf(stderr,
3673                         "reltime and deltatime - the two don't get along well. "
3674                         "Please limit to --reltime or --deltatime.\n");
3675                 return -1;
3676         }
3677
3678         if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) &&
3679             itrace_synth_opts.callchain_sz > scripting_max_stack)
3680                 scripting_max_stack = itrace_synth_opts.callchain_sz;
3681
3682         /* make sure PERF_EXEC_PATH is set for scripts */
3683         set_argv_exec_path(get_argv_exec_path());
3684
3685         if (argc && !script_name && !rec_script_path && !rep_script_path) {
3686                 int live_pipe[2];
3687                 int rep_args;
3688                 pid_t pid;
3689
3690                 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
3691                 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
3692
3693                 if (!rec_script_path && !rep_script_path) {
3694                         usage_with_options_msg(script_usage, options,
3695                                 "Couldn't find script `%s'\n\n See perf"
3696                                 " script -l for available scripts.\n", argv[0]);
3697                 }
3698
3699                 if (is_top_script(argv[0])) {
3700                         rep_args = argc - 1;
3701                 } else {
3702                         int rec_args;
3703
3704                         rep_args = has_required_arg(rep_script_path);
3705                         rec_args = (argc - 1) - rep_args;
3706                         if (rec_args < 0) {
3707                                 usage_with_options_msg(script_usage, options,
3708                                         "`%s' script requires options."
3709                                         "\n\n See perf script -l for available "
3710                                         "scripts and options.\n", argv[0]);
3711                         }
3712                 }
3713
3714                 if (pipe(live_pipe) < 0) {
3715                         perror("failed to create pipe");
3716                         return -1;
3717                 }
3718
3719                 pid = fork();
3720                 if (pid < 0) {
3721                         perror("failed to fork");
3722                         return -1;
3723                 }
3724
3725                 if (!pid) {
3726                         j = 0;
3727
3728                         dup2(live_pipe[1], 1);
3729                         close(live_pipe[0]);
3730
3731                         if (is_top_script(argv[0])) {
3732                                 system_wide = true;
3733                         } else if (!system_wide) {
3734                                 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
3735                                         err = -1;
3736                                         goto out;
3737                                 }
3738                         }
3739
3740                         __argv = malloc((argc + 6) * sizeof(const char *));
3741                         if (!__argv) {
3742                                 pr_err("malloc failed\n");
3743                                 err = -ENOMEM;
3744                                 goto out;
3745                         }
3746
3747                         __argv[j++] = "/bin/sh";
3748                         __argv[j++] = rec_script_path;
3749                         if (system_wide)
3750                                 __argv[j++] = "-a";
3751                         __argv[j++] = "-q";
3752                         __argv[j++] = "-o";
3753                         __argv[j++] = "-";
3754                         for (i = rep_args + 1; i < argc; i++)
3755                                 __argv[j++] = argv[i];
3756                         __argv[j++] = NULL;
3757
3758                         execvp("/bin/sh", (char **)__argv);
3759                         free(__argv);
3760                         exit(-1);
3761                 }
3762
3763                 dup2(live_pipe[0], 0);
3764                 close(live_pipe[1]);
3765
3766                 __argv = malloc((argc + 4) * sizeof(const char *));
3767                 if (!__argv) {
3768                         pr_err("malloc failed\n");
3769                         err = -ENOMEM;
3770                         goto out;
3771                 }
3772
3773                 j = 0;
3774                 __argv[j++] = "/bin/sh";
3775                 __argv[j++] = rep_script_path;
3776                 for (i = 1; i < rep_args + 1; i++)
3777                         __argv[j++] = argv[i];
3778                 __argv[j++] = "-i";
3779                 __argv[j++] = "-";
3780                 __argv[j++] = NULL;
3781
3782                 execvp("/bin/sh", (char **)__argv);
3783                 free(__argv);
3784                 exit(-1);
3785         }
3786
3787         if (rec_script_path)
3788                 script_path = rec_script_path;
3789         if (rep_script_path)
3790                 script_path = rep_script_path;
3791
3792         if (script_path) {
3793                 j = 0;
3794
3795                 if (!rec_script_path)
3796                         system_wide = false;
3797                 else if (!system_wide) {
3798                         if (have_cmd(argc - 1, &argv[1]) != 0) {
3799                                 err = -1;
3800                                 goto out;
3801                         }
3802                 }
3803
3804                 __argv = malloc((argc + 2) * sizeof(const char *));
3805                 if (!__argv) {
3806                         pr_err("malloc failed\n");
3807                         err = -ENOMEM;
3808                         goto out;
3809                 }
3810
3811                 __argv[j++] = "/bin/sh";
3812                 __argv[j++] = script_path;
3813                 if (system_wide)
3814                         __argv[j++] = "-a";
3815                 for (i = 2; i < argc; i++)
3816                         __argv[j++] = argv[i];
3817                 __argv[j++] = NULL;
3818
3819                 execvp("/bin/sh", (char **)__argv);
3820                 free(__argv);
3821                 exit(-1);
3822         }
3823
3824         if (!script_name) {
3825                 setup_pager();
3826                 use_browser = 0;
3827         }
3828
3829         session = perf_session__new(&data, false, &script.tool);
3830         if (IS_ERR(session))
3831                 return PTR_ERR(session);
3832
3833         if (header || header_only) {
3834                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
3835                 perf_session__fprintf_info(session, stdout, show_full_info);
3836                 if (header_only)
3837                         goto out_delete;
3838         }
3839         if (show_full_info)
3840                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
3841
3842         if (symbol__init(&session->header.env) < 0)
3843                 goto out_delete;
3844
3845         uname(&uts);
3846         if (data.is_pipe ||  /* assume pipe_mode indicates native_arch */
3847             !strcmp(uts.machine, session->header.env.arch) ||
3848             (!strcmp(uts.machine, "x86_64") &&
3849              !strcmp(session->header.env.arch, "i386")))
3850                 native_arch = true;
3851
3852         script.session = session;
3853         script__setup_sample_type(&script);
3854
3855         if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) ||
3856             symbol_conf.graph_function)
3857                 itrace_synth_opts.thread_stack = true;
3858
3859         session->itrace_synth_opts = &itrace_synth_opts;
3860
3861         if (cpu_list) {
3862                 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
3863                 if (err < 0)
3864                         goto out_delete;
3865                 itrace_synth_opts.cpu_bitmap = cpu_bitmap;
3866         }
3867
3868         if (!no_callchain)
3869                 symbol_conf.use_callchain = true;
3870         else
3871                 symbol_conf.use_callchain = false;
3872
3873         if (session->tevent.pevent &&
3874             tep_set_function_resolver(session->tevent.pevent,
3875                                       machine__resolve_kernel_addr,
3876                                       &session->machines.host) < 0) {
3877                 pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
3878                 err = -1;
3879                 goto out_delete;
3880         }
3881
3882         if (generate_script_lang) {
3883                 struct stat perf_stat;
3884                 int input;
3885
3886                 if (output_set_by_user()) {
3887                         fprintf(stderr,
3888                                 "custom fields not supported for generated scripts");
3889                         err = -EINVAL;
3890                         goto out_delete;
3891                 }
3892
3893                 input = open(data.path, O_RDONLY);      /* input_name */
3894                 if (input < 0) {
3895                         err = -errno;
3896                         perror("failed to open file");
3897                         goto out_delete;
3898                 }
3899
3900                 err = fstat(input, &perf_stat);
3901                 if (err < 0) {
3902                         perror("failed to stat file");
3903                         goto out_delete;
3904                 }
3905
3906                 if (!perf_stat.st_size) {
3907                         fprintf(stderr, "zero-sized file, nothing to do!\n");
3908                         goto out_delete;
3909                 }
3910
3911                 scripting_ops = script_spec__lookup(generate_script_lang);
3912                 if (!scripting_ops) {
3913                         fprintf(stderr, "invalid language specifier");
3914                         err = -ENOENT;
3915                         goto out_delete;
3916                 }
3917
3918                 err = scripting_ops->generate_script(session->tevent.pevent,
3919                                                      "perf-script");
3920                 goto out_delete;
3921         }
3922
3923         if (script_name) {
3924                 err = scripting_ops->start_script(script_name, argc, argv);
3925                 if (err)
3926                         goto out_delete;
3927                 pr_debug("perf script started with script %s\n\n", script_name);
3928                 script_started = true;
3929         }
3930
3931
3932         err = perf_session__check_output_opt(session);
3933         if (err < 0)
3934                 goto out_delete;
3935
3936         if (script.time_str) {
3937                 err = perf_time__parse_for_ranges_reltime(script.time_str, session,
3938                                                   &script.ptime_range,
3939                                                   &script.range_size,
3940                                                   &script.range_num,
3941                                                   reltime);
3942                 if (err < 0)
3943                         goto out_delete;
3944
3945                 itrace_synth_opts__set_time_range(&itrace_synth_opts,
3946                                                   script.ptime_range,
3947                                                   script.range_num);
3948         }
3949
3950         err = evswitch__init(&script.evswitch, session->evlist, stderr);
3951         if (err)
3952                 goto out_delete;
3953
3954         if (zstd_init(&(session->zstd_data), 0) < 0)
3955                 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n");
3956
3957         err = __cmd_script(&script);
3958
3959         flush_scripting();
3960
3961 out_delete:
3962         if (script.ptime_range) {
3963                 itrace_synth_opts__clear_time_range(&itrace_synth_opts);
3964                 zfree(&script.ptime_range);
3965         }
3966
3967         evlist__free_stats(session->evlist);
3968         perf_session__delete(session);
3969
3970         if (script_started)
3971                 cleanup_scripting();
3972 out:
3973         return err;
3974 }