tools/perf/builtin-script.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include "builtin.h"
   3
   4 #include "util/counts.h"
   5 #include "util/debug.h"
   6 #include "util/dso.h"
   7 #include <subcmd/exec-cmd.h>
   8 #include "util/header.h"
   9 #include <subcmd/parse-options.h>
  10 #include "util/perf_regs.h"
  11 #include "util/session.h"
  12 #include "util/tool.h"
  13 #include "util/map.h"
  14 #include "util/srcline.h"
  15 #include "util/symbol.h"
  16 #include "util/thread.h"
  17 #include "util/trace-event.h"
  18 #include "util/evlist.h"
  19 #include "util/evsel.h"
  20 #include "util/evsel_fprintf.h"
  21 #include "util/evswitch.h"
  22 #include "util/sort.h"
  23 #include "util/data.h"
  24 #include "util/auxtrace.h"
  25 #include "util/cpumap.h"
  26 #include "util/thread_map.h"
  27 #include "util/stat.h"
  28 #include "util/color.h"
  29 #include "util/string2.h"
  30 #include "util/thread-stack.h"
  31 #include "util/time-utils.h"
  32 #include "util/path.h"
  33 #include "util/event.h"
  34 #include "ui/ui.h"
  35 #include "print_binary.h"
  36 #include "archinsn.h"
  37 #include <linux/bitmap.h>
  38 #include <linux/kernel.h>
  39 #include <linux/stringify.h>
  40 #include <linux/time64.h>
  41 #include <linux/zalloc.h>
  42 #include <sys/utsname.h>
  43 #include "asm/bug.h"
  44 #include "util/mem-events.h"
  45 #include "util/dump-insn.h"
  46 #include <dirent.h>
  47 #include <errno.h>
  48 #include <inttypes.h>
  49 #include <signal.h>
  50 #include <sys/param.h>
  51 #include <sys/types.h>
  52 #include <sys/stat.h>
  53 #include <fcntl.h>
  54 #include <unistd.h>
  55 #include <subcmd/pager.h>
  56 #include <perf/evlist.h>
  57 #include <linux/err.h>
  58 #include "util/record.h"
  59 #include "util/util.h"
  60 #include "perf.h"
  61
  62 #include <linux/ctype.h>
  63
  64 static char const               *script_name;
  65 static char const               *generate_script_lang;
  66 static bool                     reltime;
  67 static bool                     deltatime;
  68 static u64                      initial_time;
  69 static u64                      previous_time;
  70 static bool                     debug_mode;
  71 static u64                      last_timestamp;
  72 static u64                      nr_unordered;
  73 static bool                     no_callchain;
  74 static bool                     latency_format;
  75 static bool                     system_wide;
  76 static bool                     print_flags;
  77 static const char               *cpu_list;
  78 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
  79 static struct perf_stat_config  stat_config;
  80 static int                      max_blocks;
  81 static bool                     native_arch;
  82
  83 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
  84
  85 enum perf_output_field {
  86         PERF_OUTPUT_COMM            = 1ULL << 0,
  87         PERF_OUTPUT_TID             = 1ULL << 1,
  88         PERF_OUTPUT_PID             = 1ULL << 2,
  89         PERF_OUTPUT_TIME            = 1ULL << 3,
  90         PERF_OUTPUT_CPU             = 1ULL << 4,
  91         PERF_OUTPUT_EVNAME          = 1ULL << 5,
  92         PERF_OUTPUT_TRACE           = 1ULL << 6,
  93         PERF_OUTPUT_IP              = 1ULL << 7,
  94         PERF_OUTPUT_SYM             = 1ULL << 8,
  95         PERF_OUTPUT_DSO             = 1ULL << 9,
  96         PERF_OUTPUT_ADDR            = 1ULL << 10,
  97         PERF_OUTPUT_SYMOFFSET       = 1ULL << 11,
  98         PERF_OUTPUT_SRCLINE         = 1ULL << 12,
  99         PERF_OUTPUT_PERIOD          = 1ULL << 13,
 100         PERF_OUTPUT_IREGS           = 1ULL << 14,
 101         PERF_OUTPUT_BRSTACK         = 1ULL << 15,
 102         PERF_OUTPUT_BRSTACKSYM      = 1ULL << 16,
 103         PERF_OUTPUT_DATA_SRC        = 1ULL << 17,
 104         PERF_OUTPUT_WEIGHT          = 1ULL << 18,
 105         PERF_OUTPUT_BPF_OUTPUT      = 1ULL << 19,
 106         PERF_OUTPUT_CALLINDENT      = 1ULL << 20,
 107         PERF_OUTPUT_INSN            = 1ULL << 21,
 108         PERF_OUTPUT_INSNLEN         = 1ULL << 22,
 109         PERF_OUTPUT_BRSTACKINSN     = 1ULL << 23,
 110         PERF_OUTPUT_BRSTACKOFF      = 1ULL << 24,
 111         PERF_OUTPUT_SYNTH           = 1ULL << 25,
 112         PERF_OUTPUT_PHYS_ADDR       = 1ULL << 26,
 113         PERF_OUTPUT_UREGS           = 1ULL << 27,
 114         PERF_OUTPUT_METRIC          = 1ULL << 28,
 115         PERF_OUTPUT_MISC            = 1ULL << 29,
 116         PERF_OUTPUT_SRCCODE         = 1ULL << 30,
 117         PERF_OUTPUT_IPC             = 1ULL << 31,
 118         PERF_OUTPUT_TOD             = 1ULL << 32,
 119         PERF_OUTPUT_DATA_PAGE_SIZE  = 1ULL << 33,
 120         PERF_OUTPUT_CODE_PAGE_SIZE  = 1ULL << 34,
 121 };
 122
 123 struct perf_script {
 124         struct perf_tool        tool;
 125         struct perf_session     *session;
 126         bool                    show_task_events;
 127         bool                    show_mmap_events;
 128         bool                    show_switch_events;
 129         bool                    show_namespace_events;
 130         bool                    show_lost_events;
 131         bool                    show_round_events;
 132         bool                    show_bpf_events;
 133         bool                    show_cgroup_events;
 134         bool                    show_text_poke_events;
 135         bool                    allocated;
 136         bool                    per_event_dump;
 137         bool                    stitch_lbr;
 138         struct evswitch         evswitch;
 139         struct perf_cpu_map     *cpus;
 140         struct perf_thread_map *threads;
 141         int                     name_width;
 142         const char              *time_str;
 143         struct perf_time_interval *ptime_range;
 144         int                     range_size;
 145         int                     range_num;
 146 };
 147
 148 struct output_option {
 149         const char *str;
 150         enum perf_output_field field;
 151 } all_output_options[] = {
 152         {.str = "comm",  .field = PERF_OUTPUT_COMM},
 153         {.str = "tid",   .field = PERF_OUTPUT_TID},
 154         {.str = "pid",   .field = PERF_OUTPUT_PID},
 155         {.str = "time",  .field = PERF_OUTPUT_TIME},
 156         {.str = "cpu",   .field = PERF_OUTPUT_CPU},
 157         {.str = "event", .field = PERF_OUTPUT_EVNAME},
 158         {.str = "trace", .field = PERF_OUTPUT_TRACE},
 159         {.str = "ip",    .field = PERF_OUTPUT_IP},
 160         {.str = "sym",   .field = PERF_OUTPUT_SYM},
 161         {.str = "dso",   .field = PERF_OUTPUT_DSO},
 162         {.str = "addr",  .field = PERF_OUTPUT_ADDR},
 163         {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
 164         {.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
 165         {.str = "period", .field = PERF_OUTPUT_PERIOD},
 166         {.str = "iregs", .field = PERF_OUTPUT_IREGS},
 167         {.str = "uregs", .field = PERF_OUTPUT_UREGS},
 168         {.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
 169         {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
 170         {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
 171         {.str = "weight",   .field = PERF_OUTPUT_WEIGHT},
 172         {.str = "bpf-output",   .field = PERF_OUTPUT_BPF_OUTPUT},
 173         {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
 174         {.str = "insn", .field = PERF_OUTPUT_INSN},
 175         {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
 176         {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
 177         {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
 178         {.str = "synth", .field = PERF_OUTPUT_SYNTH},
 179         {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
 180         {.str = "metric", .field = PERF_OUTPUT_METRIC},
 181         {.str = "misc", .field = PERF_OUTPUT_MISC},
 182         {.str = "srccode", .field = PERF_OUTPUT_SRCCODE},
 183         {.str = "ipc", .field = PERF_OUTPUT_IPC},
 184         {.str = "tod", .field = PERF_OUTPUT_TOD},
 185         {.str = "data_page_size", .field = PERF_OUTPUT_DATA_PAGE_SIZE},
 186         {.str = "code_page_size", .field = PERF_OUTPUT_CODE_PAGE_SIZE},
 187 };
 188
 189 enum {
 190         OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
 191         OUTPUT_TYPE_OTHER,
 192         OUTPUT_TYPE_MAX
 193 };
 194
 195 /* default set to maintain compatibility with current format */
 196 static struct {
 197         bool user_set;
 198         bool wildcard_set;
 199         unsigned int print_ip_opts;
 200         u64 fields;
 201         u64 invalid_fields;
 202         u64 user_set_fields;
 203         u64 user_unset_fields;
 204 } output[OUTPUT_TYPE_MAX] = {
 205
 206         [PERF_TYPE_HARDWARE] = {
 207                 .user_set = false,
 208
 209                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 210                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 211                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 212                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 213                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 214
 215                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 216         },
 217
 218         [PERF_TYPE_SOFTWARE] = {
 219                 .user_set = false,
 220
 221                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 222                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 223                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 224                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 225                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
 226                               PERF_OUTPUT_BPF_OUTPUT,
 227
 228                 .invalid_fields = PERF_OUTPUT_TRACE,
 229         },
 230
 231         [PERF_TYPE_TRACEPOINT] = {
 232                 .user_set = false,
 233
 234                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 235                                   PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 236                                   PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
 237         },
 238
 239         [PERF_TYPE_HW_CACHE] = {
 240                 .user_set = false,
 241
 242                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 243                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 244                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 245                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 246                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 247
 248                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 249         },
 250
 251         [PERF_TYPE_RAW] = {
 252                 .user_set = false,
 253
 254                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 255                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 256                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 257                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 258                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
 259                               PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
 260                               PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR |
 261                               PERF_OUTPUT_DATA_PAGE_SIZE | PERF_OUTPUT_CODE_PAGE_SIZE,
 262
 263                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 264         },
 265
 266         [PERF_TYPE_BREAKPOINT] = {
 267                 .user_set = false,
 268
 269                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 270                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 271                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 272                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 273                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 274
 275                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 276         },
 277
 278         [OUTPUT_TYPE_SYNTH] = {
 279                 .user_set = false,
 280
 281                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 282                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 283                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 284                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 285                               PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH,
 286
 287                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 288         },
 289
 290         [OUTPUT_TYPE_OTHER] = {
 291                 .user_set = false,
 292
 293                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 294                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 295                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 296                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 297                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 298
 299                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 300         },
 301 };
 302
 303 struct evsel_script {
 304        char *filename;
 305        FILE *fp;
 306        u64  samples;
 307        /* For metric output */
 308        u64  val;
 309        int  gnum;
 310 };
 311
 312 static inline struct evsel_script *evsel_script(struct evsel *evsel)
 313 {
 314         return (struct evsel_script *)evsel->priv;
 315 }
 316
 317 static struct evsel_script *evsel_script__new(struct evsel *evsel, struct perf_data *data)
 318 {
 319         struct evsel_script *es = zalloc(sizeof(*es));
 320
 321         if (es != NULL) {
 322                 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0)
 323                         goto out_free;
 324                 es->fp = fopen(es->filename, "w");
 325                 if (es->fp == NULL)
 326                         goto out_free_filename;
 327         }
 328
 329         return es;
 330 out_free_filename:
 331         zfree(&es->filename);
 332 out_free:
 333         free(es);
 334         return NULL;
 335 }
 336
 337 static void evsel_script__delete(struct evsel_script *es)
 338 {
 339         zfree(&es->filename);
 340         fclose(es->fp);
 341         es->fp = NULL;
 342         free(es);
 343 }
 344
 345 static int evsel_script__fprintf(struct evsel_script *es, FILE *fp)
 346 {
 347         struct stat st;
 348
 349         fstat(fileno(es->fp), &st);
 350         return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
 351                        st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
 352 }
 353
 354 static inline int output_type(unsigned int type)
 355 {
 356         switch (type) {
 357         case PERF_TYPE_SYNTH:
 358                 return OUTPUT_TYPE_SYNTH;
 359         default:
 360                 if (type < PERF_TYPE_MAX)
 361                         return type;
 362         }
 363
 364         return OUTPUT_TYPE_OTHER;
 365 }
 366
 367 static inline unsigned int attr_type(unsigned int type)
 368 {
 369         switch (type) {
 370         case OUTPUT_TYPE_SYNTH:
 371                 return PERF_TYPE_SYNTH;
 372         default:
 373                 return type;
 374         }
 375 }
 376
 377 static bool output_set_by_user(void)
 378 {
 379         int j;
 380         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 381                 if (output[j].user_set)
 382                         return true;
 383         }
 384         return false;
 385 }
 386
 387 static const char *output_field2str(enum perf_output_field field)
 388 {
 389         int i, imax = ARRAY_SIZE(all_output_options);
 390         const char *str = "";
 391
 392         for (i = 0; i < imax; ++i) {
 393                 if (all_output_options[i].field == field) {
 394                         str = all_output_options[i].str;
 395                         break;
 396                 }
 397         }
 398         return str;
 399 }
 400
 401 #define PRINT_FIELD(x)  (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
 402
 403 static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
 404                                  enum perf_output_field field, bool allow_user_set)
 405 {
 406         struct perf_event_attr *attr = &evsel->core.attr;
 407         int type = output_type(attr->type);
 408         const char *evname;
 409
 410         if (attr->sample_type & sample_type)
 411                 return 0;
 412
 413         if (output[type].user_set_fields & field) {
 414                 if (allow_user_set)
 415                         return 0;
 416                 evname = evsel__name(evsel);
 417                 pr_err("Samples for '%s' event do not have %s attribute set. "
 418                        "Cannot print '%s' field.\n",
 419                        evname, sample_msg, output_field2str(field));
 420                 return -1;
 421         }
 422
 423         /* user did not ask for it explicitly so remove from the default list */
 424         output[type].fields &= ~field;
 425         evname = evsel__name(evsel);
 426         pr_debug("Samples for '%s' event do not have %s attribute set. "
 427                  "Skipping '%s' field.\n",
 428                  evname, sample_msg, output_field2str(field));
 429
 430         return 0;
 431 }
 432
 433 static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
 434                               enum perf_output_field field)
 435 {
 436         return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false);
 437 }
 438
 439 static int evsel__check_attr(struct evsel *evsel, struct perf_session *session)
 440 {
 441         struct perf_event_attr *attr = &evsel->core.attr;
 442         bool allow_user_set;
 443
 444         if (perf_header__has_feat(&session->header, HEADER_STAT))
 445                 return 0;
 446
 447         allow_user_set = perf_header__has_feat(&session->header,
 448                                                HEADER_AUXTRACE);
 449
 450         if (PRINT_FIELD(TRACE) &&
 451             !perf_session__has_traces(session, "record -R"))
 452                 return -EINVAL;
 453
 454         if (PRINT_FIELD(IP)) {
 455                 if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP))
 456                         return -EINVAL;
 457         }
 458
 459         if (PRINT_FIELD(ADDR) &&
 460             evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set))
 461                 return -EINVAL;
 462
 463         if (PRINT_FIELD(DATA_SRC) &&
 464             evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC))
 465                 return -EINVAL;
 466
 467         if (PRINT_FIELD(WEIGHT) &&
 468             evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT", PERF_OUTPUT_WEIGHT))
 469                 return -EINVAL;
 470
 471         if (PRINT_FIELD(SYM) &&
 472             !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
 473                 pr_err("Display of symbols requested but neither sample IP nor "
 474                            "sample address\navailable. Hence, no addresses to convert "
 475                        "to symbols.\n");
 476                 return -EINVAL;
 477         }
 478         if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
 479                 pr_err("Display of offsets requested but symbol is not"
 480                        "selected.\n");
 481                 return -EINVAL;
 482         }
 483         if (PRINT_FIELD(DSO) &&
 484             !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
 485                 pr_err("Display of DSO requested but no address to convert.\n");
 486                 return -EINVAL;
 487         }
 488         if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) {
 489                 pr_err("Display of source line number requested but sample IP is not\n"
 490                        "selected. Hence, no address to lookup the source line number.\n");
 491                 return -EINVAL;
 492         }
 493         if (PRINT_FIELD(BRSTACKINSN) && !allow_user_set &&
 494             !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) {
 495                 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
 496                        "Hint: run 'perf record -b ...'\n");
 497                 return -EINVAL;
 498         }
 499         if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
 500             evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID))
 501                 return -EINVAL;
 502
 503         if (PRINT_FIELD(TIME) &&
 504             evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME))
 505                 return -EINVAL;
 506
 507         if (PRINT_FIELD(CPU) &&
 508             evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set))
 509                 return -EINVAL;
 510
 511         if (PRINT_FIELD(IREGS) &&
 512             evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set))
 513                 return -EINVAL;
 514
 515         if (PRINT_FIELD(UREGS) &&
 516             evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS))
 517                 return -EINVAL;
 518
 519         if (PRINT_FIELD(PHYS_ADDR) &&
 520             evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR))
 521                 return -EINVAL;
 522
 523         if (PRINT_FIELD(DATA_PAGE_SIZE) &&
 524             evsel__check_stype(evsel, PERF_SAMPLE_DATA_PAGE_SIZE, "DATA_PAGE_SIZE", PERF_OUTPUT_DATA_PAGE_SIZE))
 525                 return -EINVAL;
 526
 527         if (PRINT_FIELD(CODE_PAGE_SIZE) &&
 528             evsel__check_stype(evsel, PERF_SAMPLE_CODE_PAGE_SIZE, "CODE_PAGE_SIZE", PERF_OUTPUT_CODE_PAGE_SIZE))
 529                 return -EINVAL;
 530
 531         return 0;
 532 }
 533
 534 static void set_print_ip_opts(struct perf_event_attr *attr)
 535 {
 536         unsigned int type = output_type(attr->type);
 537
 538         output[type].print_ip_opts = 0;
 539         if (PRINT_FIELD(IP))
 540                 output[type].print_ip_opts |= EVSEL__PRINT_IP;
 541
 542         if (PRINT_FIELD(SYM))
 543                 output[type].print_ip_opts |= EVSEL__PRINT_SYM;
 544
 545         if (PRINT_FIELD(DSO))
 546                 output[type].print_ip_opts |= EVSEL__PRINT_DSO;
 547
 548         if (PRINT_FIELD(SYMOFFSET))
 549                 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
 550
 551         if (PRINT_FIELD(SRCLINE))
 552                 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
 553 }
 554
 555 /*
 556  * verify all user requested events exist and the samples
 557  * have the expected data
 558  */
 559 static int perf_session__check_output_opt(struct perf_session *session)
 560 {
 561         bool tod = false;
 562         unsigned int j;
 563         struct evsel *evsel;
 564
 565         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 566                 evsel = perf_session__find_first_evtype(session, attr_type(j));
 567
 568                 /*
 569                  * even if fields is set to 0 (ie., show nothing) event must
 570                  * exist if user explicitly includes it on the command line
 571                  */
 572                 if (!evsel && output[j].user_set && !output[j].wildcard_set &&
 573                     j != OUTPUT_TYPE_SYNTH) {
 574                         pr_err("%s events do not exist. "
 575                                "Remove corresponding -F option to proceed.\n",
 576                                event_type(j));
 577                         return -1;
 578                 }
 579
 580                 if (evsel && output[j].fields &&
 581                         evsel__check_attr(evsel, session))
 582                         return -1;
 583
 584                 if (evsel == NULL)
 585                         continue;
 586
 587                 set_print_ip_opts(&evsel->core.attr);
 588                 tod |= output[j].fields & PERF_OUTPUT_TOD;
 589         }
 590
 591         if (!no_callchain) {
 592                 bool use_callchain = false;
 593                 bool not_pipe = false;
 594
 595                 evlist__for_each_entry(session->evlist, evsel) {
 596                         not_pipe = true;
 597                         if (evsel__has_callchain(evsel)) {
 598                                 use_callchain = true;
 599                                 break;
 600                         }
 601                 }
 602                 if (not_pipe && !use_callchain)
 603                         symbol_conf.use_callchain = false;
 604         }
 605
 606         /*
 607          * set default for tracepoints to print symbols only
 608          * if callchains are present
 609          */
 610         if (symbol_conf.use_callchain &&
 611             !output[PERF_TYPE_TRACEPOINT].user_set) {
 612                 j = PERF_TYPE_TRACEPOINT;
 613
 614                 evlist__for_each_entry(session->evlist, evsel) {
 615                         if (evsel->core.attr.type != j)
 616                                 continue;
 617
 618                         if (evsel__has_callchain(evsel)) {
 619                                 output[j].fields |= PERF_OUTPUT_IP;
 620                                 output[j].fields |= PERF_OUTPUT_SYM;
 621                                 output[j].fields |= PERF_OUTPUT_SYMOFFSET;
 622                                 output[j].fields |= PERF_OUTPUT_DSO;
 623                                 set_print_ip_opts(&evsel->core.attr);
 624                                 goto out;
 625                         }
 626                 }
 627         }
 628
 629         if (tod && !session->header.env.clock.enabled) {
 630                 pr_err("Can't provide 'tod' time, missing clock data. "
 631                        "Please record with -k/--clockid option.\n");
 632                 return -1;
 633         }
 634 out:
 635         return 0;
 636 }
 637
 638 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask,
 639                                      FILE *fp)
 640 {
 641         unsigned i = 0, r;
 642         int printed = 0;
 643
 644         if (!regs || !regs->regs)
 645                 return 0;
 646
 647         printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
 648
 649         for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
 650                 u64 val = regs->regs[i++];
 651                 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
 652         }
 653
 654         return printed;
 655 }
 656
 657 #define DEFAULT_TOD_FMT "%F %H:%M:%S"
 658
 659 static char*
 660 tod_scnprintf(struct perf_script *script, char *buf, int buflen,
 661              u64 timestamp)
 662 {
 663         u64 tod_ns, clockid_ns;
 664         struct perf_env *env;
 665         unsigned long nsec;
 666         struct tm ltime;
 667         char date[64];
 668         time_t sec;
 669
 670         buf[0] = '\0';
 671         if (buflen < 64 || !script)
 672                 return buf;
 673
 674         env = &script->session->header.env;
 675         if (!env->clock.enabled) {
 676                 scnprintf(buf, buflen, "disabled");
 677                 return buf;
 678         }
 679
 680         clockid_ns = env->clock.clockid_ns;
 681         tod_ns     = env->clock.tod_ns;
 682
 683         if (timestamp > clockid_ns)
 684                 tod_ns += timestamp - clockid_ns;
 685         else
 686                 tod_ns -= clockid_ns - timestamp;
 687
 688         sec  = (time_t) (tod_ns / NSEC_PER_SEC);
 689         nsec = tod_ns - sec * NSEC_PER_SEC;
 690
 691         if (localtime_r(&sec, &ltime) == NULL) {
 692                 scnprintf(buf, buflen, "failed");
 693         } else {
 694                 strftime(date, sizeof(date), DEFAULT_TOD_FMT, &ltime);
 695
 696                 if (symbol_conf.nanosecs) {
 697                         snprintf(buf, buflen, "%s.%09lu", date, nsec);
 698                 } else {
 699                         snprintf(buf, buflen, "%s.%06lu",
 700                                  date, nsec / NSEC_PER_USEC);
 701                 }
 702         }
 703
 704         return buf;
 705 }
 706
 707 static int perf_sample__fprintf_iregs(struct perf_sample *sample,
 708                                       struct perf_event_attr *attr, FILE *fp)
 709 {
 710         return perf_sample__fprintf_regs(&sample->intr_regs,
 711                                          attr->sample_regs_intr, fp);
 712 }
 713
 714 static int perf_sample__fprintf_uregs(struct perf_sample *sample,
 715                                       struct perf_event_attr *attr, FILE *fp)
 716 {
 717         return perf_sample__fprintf_regs(&sample->user_regs,
 718                                          attr->sample_regs_user, fp);
 719 }
 720
 721 static int perf_sample__fprintf_start(struct perf_script *script,
 722                                       struct perf_sample *sample,
 723                                       struct thread *thread,
 724                                       struct evsel *evsel,
 725                                       u32 type, FILE *fp)
 726 {
 727         struct perf_event_attr *attr = &evsel->core.attr;
 728         unsigned long secs;
 729         unsigned long long nsecs;
 730         int printed = 0;
 731         char tstr[128];
 732
 733         if (PRINT_FIELD(COMM)) {
 734                 const char *comm = thread ? thread__comm_str(thread) : ":-1";
 735
 736                 if (latency_format)
 737                         printed += fprintf(fp, "%8.8s ", comm);
 738                 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
 739                         printed += fprintf(fp, "%s ", comm);
 740                 else
 741                         printed += fprintf(fp, "%16s ", comm);
 742         }
 743
 744         if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
 745                 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid);
 746         else if (PRINT_FIELD(PID))
 747                 printed += fprintf(fp, "%5d ", sample->pid);
 748         else if (PRINT_FIELD(TID))
 749                 printed += fprintf(fp, "%5d ", sample->tid);
 750
 751         if (PRINT_FIELD(CPU)) {
 752                 if (latency_format)
 753                         printed += fprintf(fp, "%3d ", sample->cpu);
 754                 else
 755                         printed += fprintf(fp, "[%03d] ", sample->cpu);
 756         }
 757
 758         if (PRINT_FIELD(MISC)) {
 759                 int ret = 0;
 760
 761                 #define has(m) \
 762                         (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
 763
 764                 if (has(KERNEL))
 765                         ret += fprintf(fp, "K");
 766                 if (has(USER))
 767                         ret += fprintf(fp, "U");
 768                 if (has(HYPERVISOR))
 769                         ret += fprintf(fp, "H");
 770                 if (has(GUEST_KERNEL))
 771                         ret += fprintf(fp, "G");
 772                 if (has(GUEST_USER))
 773                         ret += fprintf(fp, "g");
 774
 775                 switch (type) {
 776                 case PERF_RECORD_MMAP:
 777                 case PERF_RECORD_MMAP2:
 778                         if (has(MMAP_DATA))
 779                                 ret += fprintf(fp, "M");
 780                         break;
 781                 case PERF_RECORD_COMM:
 782                         if (has(COMM_EXEC))
 783                                 ret += fprintf(fp, "E");
 784                         break;
 785                 case PERF_RECORD_SWITCH:
 786                 case PERF_RECORD_SWITCH_CPU_WIDE:
 787                         if (has(SWITCH_OUT)) {
 788                                 ret += fprintf(fp, "S");
 789                                 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
 790                                         ret += fprintf(fp, "p");
 791                         }
 792                 default:
 793                         break;
 794                 }
 795
 796                 #undef has
 797
 798                 ret += fprintf(fp, "%*s", 6 - ret, " ");
 799                 printed += ret;
 800         }
 801
 802         if (PRINT_FIELD(TOD)) {
 803                 tod_scnprintf(script, tstr, sizeof(tstr), sample->time);
 804                 printed += fprintf(fp, "%s ", tstr);
 805         }
 806
 807         if (PRINT_FIELD(TIME)) {
 808                 u64 t = sample->time;
 809                 if (reltime) {
 810                         if (!initial_time)
 811                                 initial_time = sample->time;
 812                         t = sample->time - initial_time;
 813                 } else if (deltatime) {
 814                         if (previous_time)
 815                                 t = sample->time - previous_time;
 816                         else {
 817                                 t = 0;
 818                         }
 819                         previous_time = sample->time;
 820                 }
 821                 nsecs = t;
 822                 secs = nsecs / NSEC_PER_SEC;
 823                 nsecs -= secs * NSEC_PER_SEC;
 824
 825                 if (symbol_conf.nanosecs)
 826                         printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
 827                 else {
 828                         char sample_time[32];
 829                         timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time));
 830                         printed += fprintf(fp, "%12s: ", sample_time);
 831                 }
 832         }
 833
 834         return printed;
 835 }
 836
 837 static inline char
 838 mispred_str(struct branch_entry *br)
 839 {
 840         if (!(br->flags.mispred  || br->flags.predicted))
 841                 return '-';
 842
 843         return br->flags.predicted ? 'P' : 'M';
 844 }
 845
 846 static int perf_sample__fprintf_brstack(struct perf_sample *sample,
 847                                         struct thread *thread,
 848                                         struct perf_event_attr *attr, FILE *fp)
 849 {
 850         struct branch_stack *br = sample->branch_stack;
 851         struct branch_entry *entries = perf_sample__branch_entries(sample);
 852         struct addr_location alf, alt;
 853         u64 i, from, to;
 854         int printed = 0;
 855
 856         if (!(br && br->nr))
 857                 return 0;
 858
 859         for (i = 0; i < br->nr; i++) {
 860                 from = entries[i].from;
 861                 to   = entries[i].to;
 862
 863                 if (PRINT_FIELD(DSO)) {
 864                         memset(&alf, 0, sizeof(alf));
 865                         memset(&alt, 0, sizeof(alt));
 866                         thread__find_map_fb(thread, sample->cpumode, from, &alf);
 867                         thread__find_map_fb(thread, sample->cpumode, to, &alt);
 868                 }
 869
 870                 printed += fprintf(fp, " 0x%"PRIx64, from);
 871                 if (PRINT_FIELD(DSO)) {
 872                         printed += fprintf(fp, "(");
 873                         printed += map__fprintf_dsoname(alf.map, fp);
 874                         printed += fprintf(fp, ")");
 875                 }
 876
 877                 printed += fprintf(fp, "/0x%"PRIx64, to);
 878                 if (PRINT_FIELD(DSO)) {
 879                         printed += fprintf(fp, "(");
 880                         printed += map__fprintf_dsoname(alt.map, fp);
 881                         printed += fprintf(fp, ")");
 882                 }
 883
 884                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 885                         mispred_str(entries + i),
 886                         entries[i].flags.in_tx ? 'X' : '-',
 887                         entries[i].flags.abort ? 'A' : '-',
 888                         entries[i].flags.cycles);
 889         }
 890
 891         return printed;
 892 }
 893
 894 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
 895                                            struct thread *thread,
 896                                            struct perf_event_attr *attr, FILE *fp)
 897 {
 898         struct branch_stack *br = sample->branch_stack;
 899         struct branch_entry *entries = perf_sample__branch_entries(sample);
 900         struct addr_location alf, alt;
 901         u64 i, from, to;
 902         int printed = 0;
 903
 904         if (!(br && br->nr))
 905                 return 0;
 906
 907         for (i = 0; i < br->nr; i++) {
 908
 909                 memset(&alf, 0, sizeof(alf));
 910                 memset(&alt, 0, sizeof(alt));
 911                 from = entries[i].from;
 912                 to   = entries[i].to;
 913
 914                 thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
 915                 thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
 916
 917                 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
 918                 if (PRINT_FIELD(DSO)) {
 919                         printed += fprintf(fp, "(");
 920                         printed += map__fprintf_dsoname(alf.map, fp);
 921                         printed += fprintf(fp, ")");
 922                 }
 923                 printed += fprintf(fp, "%c", '/');
 924                 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
 925                 if (PRINT_FIELD(DSO)) {
 926                         printed += fprintf(fp, "(");
 927                         printed += map__fprintf_dsoname(alt.map, fp);
 928                         printed += fprintf(fp, ")");
 929                 }
 930                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 931                         mispred_str(entries + i),
 932                         entries[i].flags.in_tx ? 'X' : '-',
 933                         entries[i].flags.abort ? 'A' : '-',
 934                         entries[i].flags.cycles);
 935         }
 936
 937         return printed;
 938 }
 939
 940 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
 941                                            struct thread *thread,
 942                                            struct perf_event_attr *attr, FILE *fp)
 943 {
 944         struct branch_stack *br = sample->branch_stack;
 945         struct branch_entry *entries = perf_sample__branch_entries(sample);
 946         struct addr_location alf, alt;
 947         u64 i, from, to;
 948         int printed = 0;
 949
 950         if (!(br && br->nr))
 951                 return 0;
 952
 953         for (i = 0; i < br->nr; i++) {
 954
 955                 memset(&alf, 0, sizeof(alf));
 956                 memset(&alt, 0, sizeof(alt));
 957                 from = entries[i].from;
 958                 to   = entries[i].to;
 959
 960                 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
 961                     !alf.map->dso->adjust_symbols)
 962                         from = map__map_ip(alf.map, from);
 963
 964                 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
 965                     !alt.map->dso->adjust_symbols)
 966                         to = map__map_ip(alt.map, to);
 967
 968                 printed += fprintf(fp, " 0x%"PRIx64, from);
 969                 if (PRINT_FIELD(DSO)) {
 970                         printed += fprintf(fp, "(");
 971                         printed += map__fprintf_dsoname(alf.map, fp);
 972                         printed += fprintf(fp, ")");
 973                 }
 974                 printed += fprintf(fp, "/0x%"PRIx64, to);
 975                 if (PRINT_FIELD(DSO)) {
 976                         printed += fprintf(fp, "(");
 977                         printed += map__fprintf_dsoname(alt.map, fp);
 978                         printed += fprintf(fp, ")");
 979                 }
 980                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 981                         mispred_str(entries + i),
 982                         entries[i].flags.in_tx ? 'X' : '-',
 983                         entries[i].flags.abort ? 'A' : '-',
 984                         entries[i].flags.cycles);
 985         }
 986
 987         return printed;
 988 }
 989 #define MAXBB 16384UL
 990
 991 static int grab_bb(u8 *buffer, u64 start, u64 end,
 992                     struct machine *machine, struct thread *thread,
 993                     bool *is64bit, u8 *cpumode, bool last)
 994 {
 995         long offset, len;
 996         struct addr_location al;
 997         bool kernel;
 998
 999         if (!start || !end)
1000                 return 0;
1001
1002         kernel = machine__kernel_ip(machine, start);
1003         if (kernel)
1004                 *cpumode = PERF_RECORD_MISC_KERNEL;
1005         else
1006                 *cpumode = PERF_RECORD_MISC_USER;
1007
1008         /*
1009          * Block overlaps between kernel and user.
1010          * This can happen due to ring filtering
1011          * On Intel CPUs the entry into the kernel is filtered,
1012          * but the exit is not. Let the caller patch it up.
1013          */
1014         if (kernel != machine__kernel_ip(machine, end)) {
1015                 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
1016                 return -ENXIO;
1017         }
1018
1019         memset(&al, 0, sizeof(al));
1020         if (end - start > MAXBB - MAXINSN) {
1021                 if (last)
1022                         pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
1023                 else
1024                         pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
1025                 return 0;
1026         }
1027
1028         if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) {
1029                 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1030                 return 0;
1031         }
1032         if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
1033                 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1034                 return 0;
1035         }
1036
1037         /* Load maps to ensure dso->is_64_bit has been updated */
1038         map__load(al.map);
1039
1040         offset = al.map->map_ip(al.map, start);
1041         len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer,
1042                                     end - start + MAXINSN);
1043
1044         *is64bit = al.map->dso->is_64_bit;
1045         if (len <= 0)
1046                 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
1047                         start, end);
1048         return len;
1049 }
1050
1051 static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state)
1052 {
1053         char *srcfile;
1054         int ret = 0;
1055         unsigned line;
1056         int len;
1057         char *srccode;
1058
1059         if (!map || !map->dso)
1060                 return 0;
1061         srcfile = get_srcline_split(map->dso,
1062                                     map__rip_2objdump(map, addr),
1063                                     &line);
1064         if (!srcfile)
1065                 return 0;
1066
1067         /* Avoid redundant printing */
1068         if (state &&
1069             state->srcfile &&
1070             !strcmp(state->srcfile, srcfile) &&
1071             state->line == line) {
1072                 free(srcfile);
1073                 return 0;
1074         }
1075
1076         srccode = find_sourceline(srcfile, line, &len);
1077         if (!srccode)
1078                 goto out_free_line;
1079
1080         ret = fprintf(fp, "|%-8d %.*s", line, len, srccode);
1081
1082         if (state) {
1083                 state->srcfile = srcfile;
1084                 state->line = line;
1085         }
1086         return ret;
1087
1088 out_free_line:
1089         free(srcfile);
1090         return ret;
1091 }
1092
1093 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr)
1094 {
1095         struct addr_location al;
1096         int ret = 0;
1097
1098         memset(&al, 0, sizeof(al));
1099         thread__find_map(thread, cpumode, addr, &al);
1100         if (!al.map)
1101                 return 0;
1102         ret = map__fprintf_srccode(al.map, al.addr, stdout,
1103                     &thread->srccode_state);
1104         if (ret)
1105                 ret += printf("\n");
1106         return ret;
1107 }
1108
1109 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
1110                             struct perf_insn *x, u8 *inbuf, int len,
1111                             int insn, FILE *fp, int *total_cycles)
1112 {
1113         int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip,
1114                               dump_insn(x, ip, inbuf, len, NULL),
1115                               en->flags.predicted ? " PRED" : "",
1116                               en->flags.mispred ? " MISPRED" : "",
1117                               en->flags.in_tx ? " INTX" : "",
1118                               en->flags.abort ? " ABORT" : "");
1119         if (en->flags.cycles) {
1120                 *total_cycles += en->flags.cycles;
1121                 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles);
1122                 if (insn)
1123                         printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
1124         }
1125         return printed + fprintf(fp, "\n");
1126 }
1127
1128 static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
1129                            u8 cpumode, int cpu, struct symbol **lastsym,
1130                            struct perf_event_attr *attr, FILE *fp)
1131 {
1132         struct addr_location al;
1133         int off, printed = 0;
1134
1135         memset(&al, 0, sizeof(al));
1136
1137         thread__find_map(thread, cpumode, addr, &al);
1138
1139         if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
1140                 return 0;
1141
1142         al.cpu = cpu;
1143         al.sym = NULL;
1144         if (al.map)
1145                 al.sym = map__find_symbol(al.map, al.addr);
1146
1147         if (!al.sym)
1148                 return 0;
1149
1150         if (al.addr < al.sym->end)
1151                 off = al.addr - al.sym->start;
1152         else
1153                 off = al.addr - al.map->start - al.sym->start;
1154         printed += fprintf(fp, "\t%s", al.sym->name);
1155         if (off)
1156                 printed += fprintf(fp, "%+d", off);
1157         printed += fprintf(fp, ":");
1158         if (PRINT_FIELD(SRCLINE))
1159                 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
1160         printed += fprintf(fp, "\n");
1161         *lastsym = al.sym;
1162
1163         return printed;
1164 }
1165
1166 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
1167                                             struct thread *thread,
1168                                             struct perf_event_attr *attr,
1169                                             struct machine *machine, FILE *fp)
1170 {
1171         struct branch_stack *br = sample->branch_stack;
1172         struct branch_entry *entries = perf_sample__branch_entries(sample);
1173         u64 start, end;
1174         int i, insn, len, nr, ilen, printed = 0;
1175         struct perf_insn x;
1176         u8 buffer[MAXBB];
1177         unsigned off;
1178         struct symbol *lastsym = NULL;
1179         int total_cycles = 0;
1180
1181         if (!(br && br->nr))
1182                 return 0;
1183         nr = br->nr;
1184         if (max_blocks && nr > max_blocks + 1)
1185                 nr = max_blocks + 1;
1186
1187         x.thread = thread;
1188         x.cpu = sample->cpu;
1189
1190         printed += fprintf(fp, "%c", '\n');
1191
1192         /* Handle first from jump, of which we don't know the entry. */
1193         len = grab_bb(buffer, entries[nr-1].from,
1194                         entries[nr-1].from,
1195                         machine, thread, &x.is64bit, &x.cpumode, false);
1196         if (len > 0) {
1197                 printed += ip__fprintf_sym(entries[nr - 1].from, thread,
1198                                            x.cpumode, x.cpu, &lastsym, attr, fp);
1199                 printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1],
1200                                             &x, buffer, len, 0, fp, &total_cycles);
1201                 if (PRINT_FIELD(SRCCODE))
1202                         printed += print_srccode(thread, x.cpumode, entries[nr - 1].from);
1203         }
1204
1205         /* Print all blocks */
1206         for (i = nr - 2; i >= 0; i--) {
1207                 if (entries[i].from || entries[i].to)
1208                         pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1209                                  entries[i].from,
1210                                  entries[i].to);
1211                 start = entries[i + 1].to;
1212                 end   = entries[i].from;
1213
1214                 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1215                 /* Patch up missing kernel transfers due to ring filters */
1216                 if (len == -ENXIO && i > 0) {
1217                         end = entries[--i].from;
1218                         pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1219                         len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1220                 }
1221                 if (len <= 0)
1222                         continue;
1223
1224                 insn = 0;
1225                 for (off = 0; off < (unsigned)len; off += ilen) {
1226                         uint64_t ip = start + off;
1227
1228                         printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1229                         if (ip == end) {
1230                                 printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp,
1231                                                             &total_cycles);
1232                                 if (PRINT_FIELD(SRCCODE))
1233                                         printed += print_srccode(thread, x.cpumode, ip);
1234                                 break;
1235                         } else {
1236                                 ilen = 0;
1237                                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip,
1238                                                    dump_insn(&x, ip, buffer + off, len - off, &ilen));
1239                                 if (ilen == 0)
1240                                         break;
1241                                 if (PRINT_FIELD(SRCCODE))
1242                                         print_srccode(thread, x.cpumode, ip);
1243                                 insn++;
1244                         }
1245                 }
1246                 if (off != end - start)
1247                         printed += fprintf(fp, "\tmismatch of LBR data and executable\n");
1248         }
1249
1250         /*
1251          * Hit the branch? In this case we are already done, and the target
1252          * has not been executed yet.
1253          */
1254         if (entries[0].from == sample->ip)
1255                 goto out;
1256         if (entries[0].flags.abort)
1257                 goto out;
1258
1259         /*
1260          * Print final block upto sample
1261          *
1262          * Due to pipeline delays the LBRs might be missing a branch
1263          * or two, which can result in very large or negative blocks
1264          * between final branch and sample. When this happens just
1265          * continue walking after the last TO until we hit a branch.
1266          */
1267         start = entries[0].to;
1268         end = sample->ip;
1269         if (end < start) {
1270                 /* Missing jump. Scan 128 bytes for the next branch */
1271                 end = start + 128;
1272         }
1273         len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1274         printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1275         if (len <= 0) {
1276                 /* Print at least last IP if basic block did not work */
1277                 len = grab_bb(buffer, sample->ip, sample->ip,
1278                               machine, thread, &x.is64bit, &x.cpumode, false);
1279                 if (len <= 0)
1280                         goto out;
1281                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip,
1282                         dump_insn(&x, sample->ip, buffer, len, NULL));
1283                 if (PRINT_FIELD(SRCCODE))
1284                         print_srccode(thread, x.cpumode, sample->ip);
1285                 goto out;
1286         }
1287         for (off = 0; off <= end - start; off += ilen) {
1288                 ilen = 0;
1289                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off,
1290                                    dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1291                 if (ilen == 0)
1292                         break;
1293                 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) {
1294                         /*
1295                          * Hit a missing branch. Just stop.
1296                          */
1297                         printed += fprintf(fp, "\t... not reaching sample ...\n");
1298                         break;
1299                 }
1300                 if (PRINT_FIELD(SRCCODE))
1301                         print_srccode(thread, x.cpumode, start + off);
1302         }
1303 out:
1304         return printed;
1305 }
1306
1307 static int perf_sample__fprintf_addr(struct perf_sample *sample,
1308                                      struct thread *thread,
1309                                      struct perf_event_attr *attr, FILE *fp)
1310 {
1311         struct addr_location al;
1312         int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1313
1314         if (!sample_addr_correlates_sym(attr))
1315                 goto out;
1316
1317         thread__resolve(thread, &al, sample);
1318
1319         if (PRINT_FIELD(SYM)) {
1320                 printed += fprintf(fp, " ");
1321                 if (PRINT_FIELD(SYMOFFSET))
1322                         printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1323                 else
1324                         printed += symbol__fprintf_symname(al.sym, fp);
1325         }
1326
1327         if (PRINT_FIELD(DSO)) {
1328                 printed += fprintf(fp, " (");
1329                 printed += map__fprintf_dsoname(al.map, fp);
1330                 printed += fprintf(fp, ")");
1331         }
1332 out:
1333         return printed;
1334 }
1335
1336 static const char *resolve_branch_sym(struct perf_sample *sample,
1337                                       struct evsel *evsel,
1338                                       struct thread *thread,
1339                                       struct addr_location *al,
1340                                       u64 *ip)
1341 {
1342         struct addr_location addr_al;
1343         struct perf_event_attr *attr = &evsel->core.attr;
1344         const char *name = NULL;
1345
1346         if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1347                 if (sample_addr_correlates_sym(attr)) {
1348                         thread__resolve(thread, &addr_al, sample);
1349                         if (addr_al.sym)
1350                                 name = addr_al.sym->name;
1351                         else
1352                                 *ip = sample->addr;
1353                 } else {
1354                         *ip = sample->addr;
1355                 }
1356         } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1357                 if (al->sym)
1358                         name = al->sym->name;
1359                 else
1360                         *ip = sample->ip;
1361         }
1362         return name;
1363 }
1364
1365 static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1366                                            struct evsel *evsel,
1367                                            struct thread *thread,
1368                                            struct addr_location *al, FILE *fp)
1369 {
1370         struct perf_event_attr *attr = &evsel->core.attr;
1371         size_t depth = thread_stack__depth(thread, sample->cpu);
1372         const char *name = NULL;
1373         static int spacing;
1374         int len = 0;
1375         int dlen = 0;
1376         u64 ip = 0;
1377
1378         /*
1379          * The 'return' has already been popped off the stack so the depth has
1380          * to be adjusted to match the 'call'.
1381          */
1382         if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
1383                 depth += 1;
1384
1385         name = resolve_branch_sym(sample, evsel, thread, al, &ip);
1386
1387         if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
1388                 dlen += fprintf(fp, "(");
1389                 dlen += map__fprintf_dsoname(al->map, fp);
1390                 dlen += fprintf(fp, ")\t");
1391         }
1392
1393         if (name)
1394                 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1395         else if (ip)
1396                 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1397
1398         if (len < 0)
1399                 return len;
1400
1401         /*
1402          * Try to keep the output length from changing frequently so that the
1403          * output lines up more nicely.
1404          */
1405         if (len > spacing || (len && len < spacing - 52))
1406                 spacing = round_up(len + 4, 32);
1407
1408         if (len < spacing)
1409                 len += fprintf(fp, "%*s", spacing - len, "");
1410
1411         return len + dlen;
1412 }
1413
1414 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused,
1415                             struct thread *thread __maybe_unused,
1416                             struct machine *machine __maybe_unused)
1417 {
1418 }
1419
1420 static int perf_sample__fprintf_insn(struct perf_sample *sample,
1421                                      struct perf_event_attr *attr,
1422                                      struct thread *thread,
1423                                      struct machine *machine, FILE *fp)
1424 {
1425         int printed = 0;
1426
1427         if (sample->insn_len == 0 && native_arch)
1428                 arch_fetch_insn(sample, thread, machine);
1429
1430         if (PRINT_FIELD(INSNLEN))
1431                 printed += fprintf(fp, " ilen: %d", sample->insn_len);
1432         if (PRINT_FIELD(INSN) && sample->insn_len) {
1433                 int i;
1434
1435                 printed += fprintf(fp, " insn:");
1436                 for (i = 0; i < sample->insn_len; i++)
1437                         printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
1438         }
1439         if (PRINT_FIELD(BRSTACKINSN))
1440                 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
1441
1442         return printed;
1443 }
1444
1445 static int perf_sample__fprintf_ipc(struct perf_sample *sample,
1446                                     struct perf_event_attr *attr, FILE *fp)
1447 {
1448         unsigned int ipc;
1449
1450         if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt)
1451                 return 0;
1452
1453         ipc = (sample->insn_cnt * 100) / sample->cyc_cnt;
1454
1455         return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ",
1456                        ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt);
1457 }
1458
1459 static int perf_sample__fprintf_bts(struct perf_sample *sample,
1460                                     struct evsel *evsel,
1461                                     struct thread *thread,
1462                                     struct addr_location *al,
1463                                     struct machine *machine, FILE *fp)
1464 {
1465         struct perf_event_attr *attr = &evsel->core.attr;
1466         unsigned int type = output_type(attr->type);
1467         bool print_srcline_last = false;
1468         int printed = 0;
1469
1470         if (PRINT_FIELD(CALLINDENT))
1471                 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp);
1472
1473         /* print branch_from information */
1474         if (PRINT_FIELD(IP)) {
1475                 unsigned int print_opts = output[type].print_ip_opts;
1476                 struct callchain_cursor *cursor = NULL;
1477
1478                 if (symbol_conf.use_callchain && sample->callchain &&
1479                     thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1480                                               sample, NULL, NULL, scripting_max_stack) == 0)
1481                         cursor = &callchain_cursor;
1482
1483                 if (cursor == NULL) {
1484                         printed += fprintf(fp, " ");
1485                         if (print_opts & EVSEL__PRINT_SRCLINE) {
1486                                 print_srcline_last = true;
1487                                 print_opts &= ~EVSEL__PRINT_SRCLINE;
1488                         }
1489                 } else
1490                         printed += fprintf(fp, "\n");
1491
1492                 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor,
1493                                                symbol_conf.bt_stop_list, fp);
1494         }
1495
1496         /* print branch_to information */
1497         if (PRINT_FIELD(ADDR) ||
1498             ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
1499              !output[type].user_set)) {
1500                 printed += fprintf(fp, " => ");
1501                 printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1502         }
1503
1504         printed += perf_sample__fprintf_ipc(sample, attr, fp);
1505
1506         if (print_srcline_last)
1507                 printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
1508
1509         printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1510         printed += fprintf(fp, "\n");
1511         if (PRINT_FIELD(SRCCODE)) {
1512                 int ret = map__fprintf_srccode(al->map, al->addr, stdout,
1513                                          &thread->srccode_state);
1514                 if (ret) {
1515                         printed += ret;
1516                         printed += printf("\n");
1517                 }
1518         }
1519         return printed;
1520 }
1521
1522 static struct {
1523         u32 flags;
1524         const char *name;
1525 } sample_flags[] = {
1526         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1527         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1528         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1529         {PERF_IP_FLAG_BRANCH, "jmp"},
1530         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1531         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1532         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1533         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1534         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1535         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"},
1536         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1537         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1538         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1539         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMENTRY, "vmentry"},
1540         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMEXIT, "vmexit"},
1541         {0, NULL}
1542 };
1543
1544 static const char *sample_flags_to_name(u32 flags)
1545 {
1546         int i;
1547
1548         for (i = 0; sample_flags[i].name ; i++) {
1549                 if (sample_flags[i].flags == flags)
1550                         return sample_flags[i].name;
1551         }
1552
1553         return NULL;
1554 }
1555
1556 static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1557 {
1558         const char *chars = PERF_IP_FLAG_CHARS;
1559         const int n = strlen(PERF_IP_FLAG_CHARS);
1560         bool in_tx = flags & PERF_IP_FLAG_IN_TX;
1561         const char *name = NULL;
1562         char str[33];
1563         int i, pos = 0;
1564
1565         name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX);
1566         if (name)
1567                 return fprintf(fp, "  %-15s%4s ", name, in_tx ? "(x)" : "");
1568
1569         if (flags & PERF_IP_FLAG_TRACE_BEGIN) {
1570                 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN));
1571                 if (name)
1572                         return fprintf(fp, "  tr strt %-7s%4s ", name, in_tx ? "(x)" : "");
1573         }
1574
1575         if (flags & PERF_IP_FLAG_TRACE_END) {
1576                 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END));
1577                 if (name)
1578                         return fprintf(fp, "  tr end  %-7s%4s ", name, in_tx ? "(x)" : "");
1579         }
1580
1581         for (i = 0; i < n; i++, flags >>= 1) {
1582                 if (flags & 1)
1583                         str[pos++] = chars[i];
1584         }
1585         for (; i < 32; i++, flags >>= 1) {
1586                 if (flags & 1)
1587                         str[pos++] = '?';
1588         }
1589         str[pos] = 0;
1590
1591         return fprintf(fp, "  %-19s ", str);
1592 }
1593
1594 struct printer_data {
1595         int line_no;
1596         bool hit_nul;
1597         bool is_printable;
1598 };
1599
1600 static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1601                                       unsigned int val,
1602                                       void *extra, FILE *fp)
1603 {
1604         unsigned char ch = (unsigned char)val;
1605         struct printer_data *printer_data = extra;
1606         int printed = 0;
1607
1608         switch (op) {
1609         case BINARY_PRINT_DATA_BEGIN:
1610                 printed += fprintf(fp, "\n");
1611                 break;
1612         case BINARY_PRINT_LINE_BEGIN:
1613                 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1614                                                         "           ");
1615                 break;
1616         case BINARY_PRINT_ADDR:
1617                 printed += fprintf(fp, " %04x:", val);
1618                 break;
1619         case BINARY_PRINT_NUM_DATA:
1620                 printed += fprintf(fp, " %02x", val);
1621                 break;
1622         case BINARY_PRINT_NUM_PAD:
1623                 printed += fprintf(fp, "   ");
1624                 break;
1625         case BINARY_PRINT_SEP:
1626                 printed += fprintf(fp, "  ");
1627                 break;
1628         case BINARY_PRINT_CHAR_DATA:
1629                 if (printer_data->hit_nul && ch)
1630                         printer_data->is_printable = false;
1631
1632                 if (!isprint(ch)) {
1633                         printed += fprintf(fp, "%c", '.');
1634
1635                         if (!printer_data->is_printable)
1636                                 break;
1637
1638                         if (ch == '\0')
1639                                 printer_data->hit_nul = true;
1640                         else
1641                                 printer_data->is_printable = false;
1642                 } else {
1643                         printed += fprintf(fp, "%c", ch);
1644                 }
1645                 break;
1646         case BINARY_PRINT_CHAR_PAD:
1647                 printed += fprintf(fp, " ");
1648                 break;
1649         case BINARY_PRINT_LINE_END:
1650                 printed += fprintf(fp, "\n");
1651                 printer_data->line_no++;
1652                 break;
1653         case BINARY_PRINT_DATA_END:
1654         default:
1655                 break;
1656         }
1657
1658         return printed;
1659 }
1660
1661 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1662 {
1663         unsigned int nr_bytes = sample->raw_size;
1664         struct printer_data printer_data = {0, false, true};
1665         int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1666                                       sample__fprintf_bpf_output, &printer_data, fp);
1667
1668         if (printer_data.is_printable && printer_data.hit_nul)
1669                 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1670
1671         return printed;
1672 }
1673
1674 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1675 {
1676         if (len > 0 && len < spacing)
1677                 return fprintf(fp, "%*s", spacing - len, "");
1678
1679         return 0;
1680 }
1681
1682 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1683 {
1684         return perf_sample__fprintf_spacing(len, 34, fp);
1685 }
1686
1687 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1688 {
1689         struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1690         int len;
1691
1692         if (perf_sample__bad_synth_size(sample, *data))
1693                 return 0;
1694
1695         len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ",
1696                      data->ip, le64_to_cpu(data->payload));
1697         return len + perf_sample__fprintf_pt_spacing(len, fp);
1698 }
1699
1700 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1701 {
1702         struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1703         int len;
1704
1705         if (perf_sample__bad_synth_size(sample, *data))
1706                 return 0;
1707
1708         len = fprintf(fp, " hints: %#x extensions: %#x ",
1709                       data->hints, data->extensions);
1710         return len + perf_sample__fprintf_pt_spacing(len, fp);
1711 }
1712
1713 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1714 {
1715         struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1716         int len;
1717
1718         if (perf_sample__bad_synth_size(sample, *data))
1719                 return 0;
1720
1721         len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1722                       data->hw, data->cstate, data->subcstate);
1723         return len + perf_sample__fprintf_pt_spacing(len, fp);
1724 }
1725
1726 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1727 {
1728         struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1729         int len;
1730
1731         if (perf_sample__bad_synth_size(sample, *data))
1732                 return 0;
1733
1734         len = fprintf(fp, " IP: %u ", data->ip);
1735         return len + perf_sample__fprintf_pt_spacing(len, fp);
1736 }
1737
1738 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1739 {
1740         struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1741         int len;
1742
1743         if (perf_sample__bad_synth_size(sample, *data))
1744                 return 0;
1745
1746         len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1747                      data->deepest_cstate, data->last_cstate,
1748                      data->wake_reason);
1749         return len + perf_sample__fprintf_pt_spacing(len, fp);
1750 }
1751
1752 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1753 {
1754         struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1755         unsigned int percent, freq;
1756         int len;
1757
1758         if (perf_sample__bad_synth_size(sample, *data))
1759                 return 0;
1760
1761         freq = (le32_to_cpu(data->freq) + 500) / 1000;
1762         len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1763         if (data->max_nonturbo) {
1764                 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1765                 len += fprintf(fp, "(%3u%%) ", percent);
1766         }
1767         return len + perf_sample__fprintf_pt_spacing(len, fp);
1768 }
1769
1770 static int perf_sample__fprintf_synth_psb(struct perf_sample *sample, FILE *fp)
1771 {
1772         struct perf_synth_intel_psb *data = perf_sample__synth_ptr(sample);
1773         int len;
1774
1775         if (perf_sample__bad_synth_size(sample, *data))
1776                 return 0;
1777
1778         len = fprintf(fp, " psb offs: %#" PRIx64, data->offset);
1779         return len + perf_sample__fprintf_pt_spacing(len, fp);
1780 }
1781
1782 static int perf_sample__fprintf_synth(struct perf_sample *sample,
1783                                       struct evsel *evsel, FILE *fp)
1784 {
1785         switch (evsel->core.attr.config) {
1786         case PERF_SYNTH_INTEL_PTWRITE:
1787                 return perf_sample__fprintf_synth_ptwrite(sample, fp);
1788         case PERF_SYNTH_INTEL_MWAIT:
1789                 return perf_sample__fprintf_synth_mwait(sample, fp);
1790         case PERF_SYNTH_INTEL_PWRE:
1791                 return perf_sample__fprintf_synth_pwre(sample, fp);
1792         case PERF_SYNTH_INTEL_EXSTOP:
1793                 return perf_sample__fprintf_synth_exstop(sample, fp);
1794         case PERF_SYNTH_INTEL_PWRX:
1795                 return perf_sample__fprintf_synth_pwrx(sample, fp);
1796         case PERF_SYNTH_INTEL_CBR:
1797                 return perf_sample__fprintf_synth_cbr(sample, fp);
1798         case PERF_SYNTH_INTEL_PSB:
1799                 return perf_sample__fprintf_synth_psb(sample, fp);
1800         default:
1801                 break;
1802         }
1803
1804         return 0;
1805 }
1806
1807 static int evlist__max_name_len(struct evlist *evlist)
1808 {
1809         struct evsel *evsel;
1810         int max = 0;
1811
1812         evlist__for_each_entry(evlist, evsel) {
1813                 int len = strlen(evsel__name(evsel));
1814
1815                 max = MAX(len, max);
1816         }
1817
1818         return max;
1819 }
1820
1821 static int data_src__fprintf(u64 data_src, FILE *fp)
1822 {
1823         struct mem_info mi = { .data_src.val = data_src };
1824         char decode[100];
1825         char out[100];
1826         static int maxlen;
1827         int len;
1828
1829         perf_script__meminfo_scnprintf(decode, 100, &mi);
1830
1831         len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
1832         if (maxlen < len)
1833                 maxlen = len;
1834
1835         return fprintf(fp, "%-*s", maxlen, out);
1836 }
1837
1838 struct metric_ctx {
1839         struct perf_sample      *sample;
1840         struct thread           *thread;
1841         struct evsel    *evsel;
1842         FILE                    *fp;
1843 };
1844
1845 static void script_print_metric(struct perf_stat_config *config __maybe_unused,
1846                                 void *ctx, const char *color,
1847                                 const char *fmt,
1848                                 const char *unit, double val)
1849 {
1850         struct metric_ctx *mctx = ctx;
1851
1852         if (!fmt)
1853                 return;
1854         perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
1855                                    PERF_RECORD_SAMPLE, mctx->fp);
1856         fputs("\tmetric: ", mctx->fp);
1857         if (color)
1858                 color_fprintf(mctx->fp, color, fmt, val);
1859         else
1860                 printf(fmt, val);
1861         fprintf(mctx->fp, " %s\n", unit);
1862 }
1863
1864 static void script_new_line(struct perf_stat_config *config __maybe_unused,
1865                             void *ctx)
1866 {
1867         struct metric_ctx *mctx = ctx;
1868
1869         perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
1870                                    PERF_RECORD_SAMPLE, mctx->fp);
1871         fputs("\tmetric: ", mctx->fp);
1872 }
1873
1874 static void perf_sample__fprint_metric(struct perf_script *script,
1875                                        struct thread *thread,
1876                                        struct evsel *evsel,
1877                                        struct perf_sample *sample,
1878                                        FILE *fp)
1879 {
1880         struct perf_stat_output_ctx ctx = {
1881                 .print_metric = script_print_metric,
1882                 .new_line = script_new_line,
1883                 .ctx = &(struct metric_ctx) {
1884                                 .sample = sample,
1885                                 .thread = thread,
1886                                 .evsel  = evsel,
1887                                 .fp     = fp,
1888                          },
1889                 .force_header = false,
1890         };
1891         struct evsel *ev2;
1892         u64 val;
1893
1894         if (!evsel->stats)
1895                 evlist__alloc_stats(script->session->evlist, false);
1896         if (evsel_script(evsel->leader)->gnum++ == 0)
1897                 perf_stat__reset_shadow_stats();
1898         val = sample->period * evsel->scale;
1899         perf_stat__update_shadow_stats(evsel,
1900                                        val,
1901                                        sample->cpu,
1902                                        &rt_stat);
1903         evsel_script(evsel)->val = val;
1904         if (evsel_script(evsel->leader)->gnum == evsel->leader->core.nr_members) {
1905                 for_each_group_member (ev2, evsel->leader) {
1906                         perf_stat__print_shadow_stats(&stat_config, ev2,
1907                                                       evsel_script(ev2)->val,
1908                                                       sample->cpu,
1909                                                       &ctx,
1910                                                       NULL,
1911                                                       &rt_stat);
1912                 }
1913                 evsel_script(evsel->leader)->gnum = 0;
1914         }
1915 }
1916
1917 static bool show_event(struct perf_sample *sample,
1918                        struct evsel *evsel,
1919                        struct thread *thread,
1920                        struct addr_location *al)
1921 {
1922         int depth = thread_stack__depth(thread, sample->cpu);
1923
1924         if (!symbol_conf.graph_function)
1925                 return true;
1926
1927         if (thread->filter) {
1928                 if (depth <= thread->filter_entry_depth) {
1929                         thread->filter = false;
1930                         return false;
1931                 }
1932                 return true;
1933         } else {
1934                 const char *s = symbol_conf.graph_function;
1935                 u64 ip;
1936                 const char *name = resolve_branch_sym(sample, evsel, thread, al,
1937                                 &ip);
1938                 unsigned nlen;
1939
1940                 if (!name)
1941                         return false;
1942                 nlen = strlen(name);
1943                 while (*s) {
1944                         unsigned len = strcspn(s, ",");
1945                         if (nlen == len && !strncmp(name, s, len)) {
1946                                 thread->filter = true;
1947                                 thread->filter_entry_depth = depth;
1948                                 return true;
1949                         }
1950                         s += len;
1951                         if (*s == ',')
1952                                 s++;
1953                 }
1954                 return false;
1955         }
1956 }
1957
1958 static void process_event(struct perf_script *script,
1959                           struct perf_sample *sample, struct evsel *evsel,
1960                           struct addr_location *al,
1961                           struct machine *machine)
1962 {
1963         struct thread *thread = al->thread;
1964         struct perf_event_attr *attr = &evsel->core.attr;
1965         unsigned int type = output_type(attr->type);
1966         struct evsel_script *es = evsel->priv;
1967         FILE *fp = es->fp;
1968         char str[PAGE_SIZE_NAME_LEN];
1969
1970         if (output[type].fields == 0)
1971                 return;
1972
1973         if (!show_event(sample, evsel, thread, al))
1974                 return;
1975
1976         if (evswitch__discard(&script->evswitch, evsel))
1977                 return;
1978
1979         ++es->samples;
1980
1981         perf_sample__fprintf_start(script, sample, thread, evsel,
1982                                    PERF_RECORD_SAMPLE, fp);
1983
1984         if (PRINT_FIELD(PERIOD))
1985                 fprintf(fp, "%10" PRIu64 " ", sample->period);
1986
1987         if (PRINT_FIELD(EVNAME)) {
1988                 const char *evname = evsel__name(evsel);
1989
1990                 if (!script->name_width)
1991                         script->name_width = evlist__max_name_len(script->session->evlist);
1992
1993                 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
1994         }
1995
1996         if (print_flags)
1997                 perf_sample__fprintf_flags(sample->flags, fp);
1998
1999         if (is_bts_event(attr)) {
2000                 perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp);
2001                 return;
2002         }
2003
2004         if (PRINT_FIELD(TRACE) && sample->raw_data) {
2005                 event_format__fprintf(evsel->tp_format, sample->cpu,
2006                                       sample->raw_data, sample->raw_size, fp);
2007         }
2008
2009         if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
2010                 perf_sample__fprintf_synth(sample, evsel, fp);
2011
2012         if (PRINT_FIELD(ADDR))
2013                 perf_sample__fprintf_addr(sample, thread, attr, fp);
2014
2015         if (PRINT_FIELD(DATA_SRC))
2016                 data_src__fprintf(sample->data_src, fp);
2017
2018         if (PRINT_FIELD(WEIGHT))
2019                 fprintf(fp, "%16" PRIu64, sample->weight);
2020
2021         if (PRINT_FIELD(IP)) {
2022                 struct callchain_cursor *cursor = NULL;
2023
2024                 if (script->stitch_lbr)
2025                         al->thread->lbr_stitch_enable = true;
2026
2027                 if (symbol_conf.use_callchain && sample->callchain &&
2028                     thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
2029                                               sample, NULL, NULL, scripting_max_stack) == 0)
2030                         cursor = &callchain_cursor;
2031
2032                 fputc(cursor ? '\n' : ' ', fp);
2033                 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor,
2034                                     symbol_conf.bt_stop_list, fp);
2035         }
2036
2037         if (PRINT_FIELD(IREGS))
2038                 perf_sample__fprintf_iregs(sample, attr, fp);
2039
2040         if (PRINT_FIELD(UREGS))
2041                 perf_sample__fprintf_uregs(sample, attr, fp);
2042
2043         if (PRINT_FIELD(BRSTACK))
2044                 perf_sample__fprintf_brstack(sample, thread, attr, fp);
2045         else if (PRINT_FIELD(BRSTACKSYM))
2046                 perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
2047         else if (PRINT_FIELD(BRSTACKOFF))
2048                 perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
2049
2050         if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
2051                 perf_sample__fprintf_bpf_output(sample, fp);
2052         perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
2053
2054         if (PRINT_FIELD(PHYS_ADDR))
2055                 fprintf(fp, "%16" PRIx64, sample->phys_addr);
2056
2057         if (PRINT_FIELD(DATA_PAGE_SIZE))
2058                 fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str));
2059
2060         if (PRINT_FIELD(CODE_PAGE_SIZE))
2061                 fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str));
2062
2063         perf_sample__fprintf_ipc(sample, attr, fp);
2064
2065         fprintf(fp, "\n");
2066
2067         if (PRINT_FIELD(SRCCODE)) {
2068                 if (map__fprintf_srccode(al->map, al->addr, stdout,
2069                                          &thread->srccode_state))
2070                         printf("\n");
2071         }
2072
2073         if (PRINT_FIELD(METRIC))
2074                 perf_sample__fprint_metric(script, thread, evsel, sample, fp);
2075
2076         if (verbose)
2077                 fflush(fp);
2078 }
2079
2080 static struct scripting_ops     *scripting_ops;
2081
2082 static void __process_stat(struct evsel *counter, u64 tstamp)
2083 {
2084         int nthreads = perf_thread_map__nr(counter->core.threads);
2085         int ncpus = evsel__nr_cpus(counter);
2086         int cpu, thread;
2087         static int header_printed;
2088
2089         if (counter->core.system_wide)
2090                 nthreads = 1;
2091
2092         if (!header_printed) {
2093                 printf("%3s %8s %15s %15s %15s %15s %s\n",
2094                        "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
2095                 header_printed = 1;
2096         }
2097
2098         for (thread = 0; thread < nthreads; thread++) {
2099                 for (cpu = 0; cpu < ncpus; cpu++) {
2100                         struct perf_counts_values *counts;
2101
2102                         counts = perf_counts(counter->counts, cpu, thread);
2103
2104                         printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
2105                                 counter->core.cpus->map[cpu],
2106                                 perf_thread_map__pid(counter->core.threads, thread),
2107                                 counts->val,
2108                                 counts->ena,
2109                                 counts->run,
2110                                 tstamp,
2111                                 evsel__name(counter));
2112                 }
2113         }
2114 }
2115
2116 static void process_stat(struct evsel *counter, u64 tstamp)
2117 {
2118         if (scripting_ops && scripting_ops->process_stat)
2119                 scripting_ops->process_stat(&stat_config, counter, tstamp);
2120         else
2121                 __process_stat(counter, tstamp);
2122 }
2123
2124 static void process_stat_interval(u64 tstamp)
2125 {
2126         if (scripting_ops && scripting_ops->process_stat_interval)
2127                 scripting_ops->process_stat_interval(tstamp);
2128 }
2129
2130 static void setup_scripting(void)
2131 {
2132         setup_perl_scripting();
2133         setup_python_scripting();
2134 }
2135
2136 static int flush_scripting(void)
2137 {
2138         return scripting_ops ? scripting_ops->flush_script() : 0;
2139 }
2140
2141 static int cleanup_scripting(void)
2142 {
2143         pr_debug("\nperf script stopped\n");
2144
2145         return scripting_ops ? scripting_ops->stop_script() : 0;
2146 }
2147
2148 static bool filter_cpu(struct perf_sample *sample)
2149 {
2150         if (cpu_list && sample->cpu != (u32)-1)
2151                 return !test_bit(sample->cpu, cpu_bitmap);
2152         return false;
2153 }
2154
2155 static int process_sample_event(struct perf_tool *tool,
2156                                 union perf_event *event,
2157                                 struct perf_sample *sample,
2158                                 struct evsel *evsel,
2159                                 struct machine *machine)
2160 {
2161         struct perf_script *scr = container_of(tool, struct perf_script, tool);
2162         struct addr_location al;
2163
2164         if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
2165                                           sample->time)) {
2166                 return 0;
2167         }
2168
2169         if (debug_mode) {
2170                 if (sample->time < last_timestamp) {
2171                         pr_err("Samples misordered, previous: %" PRIu64
2172                                 " this: %" PRIu64 "\n", last_timestamp,
2173                                 sample->time);
2174                         nr_unordered++;
2175                 }
2176                 last_timestamp = sample->time;
2177                 return 0;
2178         }
2179
2180         if (machine__resolve(machine, &al, sample) < 0) {
2181                 pr_err("problem processing %d event, skipping it.\n",
2182                        event->header.type);
2183                 return -1;
2184         }
2185
2186         if (al.filtered)
2187                 goto out_put;
2188
2189         if (filter_cpu(sample))
2190                 goto out_put;
2191
2192         if (scripting_ops) {
2193                 struct addr_location *addr_al_ptr = NULL;
2194                 struct addr_location addr_al;
2195
2196                 if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
2197                     sample_addr_correlates_sym(&evsel->core.attr)) {
2198                         thread__resolve(al.thread, &addr_al, sample);
2199                         addr_al_ptr = &addr_al;
2200                 }
2201                 scripting_ops->process_event(event, sample, evsel, &al, addr_al_ptr);
2202         } else {
2203                 process_event(scr, sample, evsel, &al, machine);
2204         }
2205
2206 out_put:
2207         addr_location__put(&al);
2208         return 0;
2209 }
2210
2211 static int process_attr(struct perf_tool *tool, union perf_event *event,
2212                         struct evlist **pevlist)
2213 {
2214         struct perf_script *scr = container_of(tool, struct perf_script, tool);
2215         struct evlist *evlist;
2216         struct evsel *evsel, *pos;
2217         u64 sample_type;
2218         int err;
2219         static struct evsel_script *es;
2220
2221         err = perf_event__process_attr(tool, event, pevlist);
2222         if (err)
2223                 return err;
2224
2225         evlist = *pevlist;
2226         evsel = evlist__last(*pevlist);
2227
2228         if (!evsel->priv) {
2229                 if (scr->per_event_dump) {
2230                         evsel->priv = evsel_script__new(evsel, scr->session->data);
2231                 } else {
2232                         es = zalloc(sizeof(*es));
2233                         if (!es)
2234                                 return -ENOMEM;
2235                         es->fp = stdout;
2236                         evsel->priv = es;
2237                 }
2238         }
2239
2240         if (evsel->core.attr.type >= PERF_TYPE_MAX &&
2241             evsel->core.attr.type != PERF_TYPE_SYNTH)
2242                 return 0;
2243
2244         evlist__for_each_entry(evlist, pos) {
2245                 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel)
2246                         return 0;
2247         }
2248
2249         if (evsel->core.attr.sample_type) {
2250                 err = evsel__check_attr(evsel, scr->session);
2251                 if (err)
2252                         return err;
2253         }
2254
2255         /*
2256          * Check if we need to enable callchains based
2257          * on events sample_type.
2258          */
2259         sample_type = evlist__combined_sample_type(evlist);
2260         callchain_param_setup(sample_type);
2261
2262         /* Enable fields for callchain entries */
2263         if (symbol_conf.use_callchain &&
2264             (sample_type & PERF_SAMPLE_CALLCHAIN ||
2265              sample_type & PERF_SAMPLE_BRANCH_STACK ||
2266              (sample_type & PERF_SAMPLE_REGS_USER &&
2267               sample_type & PERF_SAMPLE_STACK_USER))) {
2268                 int type = output_type(evsel->core.attr.type);
2269
2270                 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP))
2271                         output[type].fields |= PERF_OUTPUT_IP;
2272                 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM))
2273                         output[type].fields |= PERF_OUTPUT_SYM;
2274         }
2275         set_print_ip_opts(&evsel->core.attr);
2276         return 0;
2277 }
2278
2279 static int print_event_with_time(struct perf_tool *tool,
2280                                  union perf_event *event,
2281                                  struct perf_sample *sample,
2282                                  struct machine *machine,
2283                                  pid_t pid, pid_t tid, u64 timestamp)
2284 {
2285         struct perf_script *script = container_of(tool, struct perf_script, tool);
2286         struct perf_session *session = script->session;
2287         struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id);
2288         struct thread *thread = NULL;
2289
2290         if (evsel && !evsel->core.attr.sample_id_all) {
2291                 sample->cpu = 0;
2292                 sample->time = timestamp;
2293                 sample->pid = pid;
2294                 sample->tid = tid;
2295         }
2296
2297         if (filter_cpu(sample))
2298                 return 0;
2299
2300         if (tid != -1)
2301                 thread = machine__findnew_thread(machine, pid, tid);
2302
2303         if (evsel) {
2304                 perf_sample__fprintf_start(script, sample, thread, evsel,
2305                                            event->header.type, stdout);
2306         }
2307
2308         perf_event__fprintf(event, machine, stdout);
2309
2310         thread__put(thread);
2311
2312         return 0;
2313 }
2314
2315 static int print_event(struct perf_tool *tool, union perf_event *event,
2316                        struct perf_sample *sample, struct machine *machine,
2317                        pid_t pid, pid_t tid)
2318 {
2319         return print_event_with_time(tool, event, sample, machine, pid, tid, 0);
2320 }
2321
2322 static int process_comm_event(struct perf_tool *tool,
2323                               union perf_event *event,
2324                               struct perf_sample *sample,
2325                               struct machine *machine)
2326 {
2327         if (perf_event__process_comm(tool, event, sample, machine) < 0)
2328                 return -1;
2329
2330         return print_event(tool, event, sample, machine, event->comm.pid,
2331                            event->comm.tid);
2332 }
2333
2334 static int process_namespaces_event(struct perf_tool *tool,
2335                                     union perf_event *event,
2336                                     struct perf_sample *sample,
2337                                     struct machine *machine)
2338 {
2339         if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
2340                 return -1;
2341
2342         return print_event(tool, event, sample, machine, event->namespaces.pid,
2343                            event->namespaces.tid);
2344 }
2345
2346 static int process_cgroup_event(struct perf_tool *tool,
2347                                 union perf_event *event,
2348                                 struct perf_sample *sample,
2349                                 struct machine *machine)
2350 {
2351         if (perf_event__process_cgroup(tool, event, sample, machine) < 0)
2352                 return -1;
2353
2354         return print_event(tool, event, sample, machine, sample->pid,
2355                             sample->tid);
2356 }
2357
2358 static int process_fork_event(struct perf_tool *tool,
2359                               union perf_event *event,
2360                               struct perf_sample *sample,
2361                               struct machine *machine)
2362 {
2363         if (perf_event__process_fork(tool, event, sample, machine) < 0)
2364                 return -1;
2365
2366         return print_event_with_time(tool, event, sample, machine,
2367                                      event->fork.pid, event->fork.tid,
2368                                      event->fork.time);
2369 }
2370 static int process_exit_event(struct perf_tool *tool,
2371                               union perf_event *event,
2372                               struct perf_sample *sample,
2373                               struct machine *machine)
2374 {
2375         /* Print before 'exit' deletes anything */
2376         if (print_event_with_time(tool, event, sample, machine, event->fork.pid,
2377                                   event->fork.tid, event->fork.time))
2378                 return -1;
2379
2380         return perf_event__process_exit(tool, event, sample, machine);
2381 }
2382
2383 static int process_mmap_event(struct perf_tool *tool,
2384                               union perf_event *event,
2385                               struct perf_sample *sample,
2386                               struct machine *machine)
2387 {
2388         if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2389                 return -1;
2390
2391         return print_event(tool, event, sample, machine, event->mmap.pid,
2392                            event->mmap.tid);
2393 }
2394
2395 static int process_mmap2_event(struct perf_tool *tool,
2396                               union perf_event *event,
2397                               struct perf_sample *sample,
2398                               struct machine *machine)
2399 {
2400         if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2401                 return -1;
2402
2403         return print_event(tool, event, sample, machine, event->mmap2.pid,
2404                            event->mmap2.tid);
2405 }
2406
2407 static int process_switch_event(struct perf_tool *tool,
2408                                 union perf_event *event,
2409                                 struct perf_sample *sample,
2410                                 struct machine *machine)
2411 {
2412         struct perf_script *script = container_of(tool, struct perf_script, tool);
2413
2414         if (perf_event__process_switch(tool, event, sample, machine) < 0)
2415                 return -1;
2416
2417         if (scripting_ops && scripting_ops->process_switch)
2418                 scripting_ops->process_switch(event, sample, machine);
2419
2420         if (!script->show_switch_events)
2421                 return 0;
2422
2423         return print_event(tool, event, sample, machine, sample->pid,
2424                            sample->tid);
2425 }
2426
2427 static int
2428 process_lost_event(struct perf_tool *tool,
2429                    union perf_event *event,
2430                    struct perf_sample *sample,
2431                    struct machine *machine)
2432 {
2433         return print_event(tool, event, sample, machine, sample->pid,
2434                            sample->tid);
2435 }
2436
2437 static int
2438 process_finished_round_event(struct perf_tool *tool __maybe_unused,
2439                              union perf_event *event,
2440                              struct ordered_events *oe __maybe_unused)
2441
2442 {
2443         perf_event__fprintf(event, NULL, stdout);
2444         return 0;
2445 }
2446
2447 static int
2448 process_bpf_events(struct perf_tool *tool __maybe_unused,
2449                    union perf_event *event,
2450                    struct perf_sample *sample,
2451                    struct machine *machine)
2452 {
2453         if (machine__process_ksymbol(machine, event, sample) < 0)
2454                 return -1;
2455
2456         return print_event(tool, event, sample, machine, sample->pid,
2457                            sample->tid);
2458 }
2459
2460 static int process_text_poke_events(struct perf_tool *tool,
2461                                     union perf_event *event,
2462                                     struct perf_sample *sample,
2463                                     struct machine *machine)
2464 {
2465         if (perf_event__process_text_poke(tool, event, sample, machine) < 0)
2466                 return -1;
2467
2468         return print_event(tool, event, sample, machine, sample->pid,
2469                            sample->tid);
2470 }
2471
2472 static void sig_handler(int sig __maybe_unused)
2473 {
2474         session_done = 1;
2475 }
2476
2477 static void perf_script__fclose_per_event_dump(struct perf_script *script)
2478 {
2479         struct evlist *evlist = script->session->evlist;
2480         struct evsel *evsel;
2481
2482         evlist__for_each_entry(evlist, evsel) {
2483                 if (!evsel->priv)
2484                         break;
2485                 evsel_script__delete(evsel->priv);
2486                 evsel->priv = NULL;
2487         }
2488 }
2489
2490 static int perf_script__fopen_per_event_dump(struct perf_script *script)
2491 {
2492         struct evsel *evsel;
2493
2494         evlist__for_each_entry(script->session->evlist, evsel) {
2495                 /*
2496                  * Already setup? I.e. we may be called twice in cases like
2497                  * Intel PT, one for the intel_pt// and dummy events, then
2498                  * for the evsels synthesized from the auxtrace info.
2499                  *
2500                  * Ses perf_script__process_auxtrace_info.
2501                  */
2502                 if (evsel->priv != NULL)
2503                         continue;
2504
2505                 evsel->priv = evsel_script__new(evsel, script->session->data);
2506                 if (evsel->priv == NULL)
2507                         goto out_err_fclose;
2508         }
2509
2510         return 0;
2511
2512 out_err_fclose:
2513         perf_script__fclose_per_event_dump(script);
2514         return -1;
2515 }
2516
2517 static int perf_script__setup_per_event_dump(struct perf_script *script)
2518 {
2519         struct evsel *evsel;
2520         static struct evsel_script es_stdout;
2521
2522         if (script->per_event_dump)
2523                 return perf_script__fopen_per_event_dump(script);
2524
2525         es_stdout.fp = stdout;
2526
2527         evlist__for_each_entry(script->session->evlist, evsel)
2528                 evsel->priv = &es_stdout;
2529
2530         return 0;
2531 }
2532
2533 static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2534 {
2535         struct evsel *evsel;
2536
2537         evlist__for_each_entry(script->session->evlist, evsel) {
2538                 struct evsel_script *es = evsel->priv;
2539
2540                 evsel_script__fprintf(es, stdout);
2541                 evsel_script__delete(es);
2542                 evsel->priv = NULL;
2543         }
2544 }
2545
2546 static int __cmd_script(struct perf_script *script)
2547 {
2548         int ret;
2549
2550         signal(SIGINT, sig_handler);
2551
2552         perf_stat__init_shadow_stats();
2553
2554         /* override event processing functions */
2555         if (script->show_task_events) {
2556                 script->tool.comm = process_comm_event;
2557                 script->tool.fork = process_fork_event;
2558                 script->tool.exit = process_exit_event;
2559         }
2560         if (script->show_mmap_events) {
2561                 script->tool.mmap = process_mmap_event;
2562                 script->tool.mmap2 = process_mmap2_event;
2563         }
2564         if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch))
2565                 script->tool.context_switch = process_switch_event;
2566         if (script->show_namespace_events)
2567                 script->tool.namespaces = process_namespaces_event;
2568         if (script->show_cgroup_events)
2569                 script->tool.cgroup = process_cgroup_event;
2570         if (script->show_lost_events)
2571                 script->tool.lost = process_lost_event;
2572         if (script->show_round_events) {
2573                 script->tool.ordered_events = false;
2574                 script->tool.finished_round = process_finished_round_event;
2575         }
2576         if (script->show_bpf_events) {
2577                 script->tool.ksymbol = process_bpf_events;
2578                 script->tool.bpf     = process_bpf_events;
2579         }
2580         if (script->show_text_poke_events) {
2581                 script->tool.ksymbol   = process_bpf_events;
2582                 script->tool.text_poke = process_text_poke_events;
2583         }
2584
2585         if (perf_script__setup_per_event_dump(script)) {
2586                 pr_err("Couldn't create the per event dump files\n");
2587                 return -1;
2588         }
2589
2590         ret = perf_session__process_events(script->session);
2591
2592         if (script->per_event_dump)
2593                 perf_script__exit_per_event_dump_stats(script);
2594
2595         if (debug_mode)
2596                 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2597
2598         return ret;
2599 }
2600
2601 struct script_spec {
2602         struct list_head        node;
2603         struct scripting_ops    *ops;
2604         char                    spec[];
2605 };
2606
2607 static LIST_HEAD(script_specs);
2608
2609 static struct script_spec *script_spec__new(const char *spec,
2610                                             struct scripting_ops *ops)
2611 {
2612         struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2613
2614         if (s != NULL) {
2615                 strcpy(s->spec, spec);
2616                 s->ops = ops;
2617         }
2618
2619         return s;
2620 }
2621
2622 static void script_spec__add(struct script_spec *s)
2623 {
2624         list_add_tail(&s->node, &script_specs);
2625 }
2626
2627 static struct script_spec *script_spec__find(const char *spec)
2628 {
2629         struct script_spec *s;
2630
2631         list_for_each_entry(s, &script_specs, node)
2632                 if (strcasecmp(s->spec, spec) == 0)
2633                         return s;
2634         return NULL;
2635 }
2636
2637 int script_spec_register(const char *spec, struct scripting_ops *ops)
2638 {
2639         struct script_spec *s;
2640
2641         s = script_spec__find(spec);
2642         if (s)
2643                 return -1;
2644
2645         s = script_spec__new(spec, ops);
2646         if (!s)
2647                 return -1;
2648         else
2649                 script_spec__add(s);
2650
2651         return 0;
2652 }
2653
2654 static struct scripting_ops *script_spec__lookup(const char *spec)
2655 {
2656         struct script_spec *s = script_spec__find(spec);
2657         if (!s)
2658                 return NULL;
2659
2660         return s->ops;
2661 }
2662
2663 static void list_available_languages(void)
2664 {
2665         struct script_spec *s;
2666
2667         fprintf(stderr, "\n");
2668         fprintf(stderr, "Scripting language extensions (used in "
2669                 "perf script -s [spec:]script.[spec]):\n\n");
2670
2671         list_for_each_entry(s, &script_specs, node)
2672                 fprintf(stderr, "  %-42s [%s]\n", s->spec, s->ops->name);
2673
2674         fprintf(stderr, "\n");
2675 }
2676
2677 /* Find script file relative to current directory or exec path */
2678 static char *find_script(const char *script)
2679 {
2680         char path[PATH_MAX];
2681
2682         if (!scripting_ops) {
2683                 const char *ext = strrchr(script, '.');
2684
2685                 if (!ext)
2686                         return NULL;
2687
2688                 scripting_ops = script_spec__lookup(++ext);
2689                 if (!scripting_ops)
2690                         return NULL;
2691         }
2692
2693         if (access(script, R_OK)) {
2694                 char *exec_path = get_argv_exec_path();
2695
2696                 if (!exec_path)
2697                         return NULL;
2698                 snprintf(path, sizeof(path), "%s/scripts/%s/%s",
2699                          exec_path, scripting_ops->dirname, script);
2700                 free(exec_path);
2701                 script = path;
2702                 if (access(script, R_OK))
2703                         return NULL;
2704         }
2705         return strdup(script);
2706 }
2707
2708 static int parse_scriptname(const struct option *opt __maybe_unused,
2709                             const char *str, int unset __maybe_unused)
2710 {
2711         char spec[PATH_MAX];
2712         const char *script, *ext;
2713         int len;
2714
2715         if (strcmp(str, "lang") == 0) {
2716                 list_available_languages();
2717                 exit(0);
2718         }
2719
2720         script = strchr(str, ':');
2721         if (script) {
2722                 len = script - str;
2723                 if (len >= PATH_MAX) {
2724                         fprintf(stderr, "invalid language specifier");
2725                         return -1;
2726                 }
2727                 strncpy(spec, str, len);
2728                 spec[len] = '\0';
2729                 scripting_ops = script_spec__lookup(spec);
2730                 if (!scripting_ops) {
2731                         fprintf(stderr, "invalid language specifier");
2732                         return -1;
2733                 }
2734                 script++;
2735         } else {
2736                 script = str;
2737                 ext = strrchr(script, '.');
2738                 if (!ext) {
2739                         fprintf(stderr, "invalid script extension");
2740                         return -1;
2741                 }
2742                 scripting_ops = script_spec__lookup(++ext);
2743                 if (!scripting_ops) {
2744                         fprintf(stderr, "invalid script extension");
2745                         return -1;
2746                 }
2747         }
2748
2749         script_name = find_script(script);
2750         if (!script_name)
2751                 script_name = strdup(script);
2752
2753         return 0;
2754 }
2755
2756 static int parse_output_fields(const struct option *opt __maybe_unused,
2757                             const char *arg, int unset __maybe_unused)
2758 {
2759         char *tok, *strtok_saveptr = NULL;
2760         int i, imax = ARRAY_SIZE(all_output_options);
2761         int j;
2762         int rc = 0;
2763         char *str = strdup(arg);
2764         int type = -1;
2765         enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
2766
2767         if (!str)
2768                 return -ENOMEM;
2769
2770         /* first word can state for which event type the user is specifying
2771          * the fields. If no type exists, the specified fields apply to all
2772          * event types found in the file minus the invalid fields for a type.
2773          */
2774         tok = strchr(str, ':');
2775         if (tok) {
2776                 *tok = '\0';
2777                 tok++;
2778                 if (!strcmp(str, "hw"))
2779                         type = PERF_TYPE_HARDWARE;
2780                 else if (!strcmp(str, "sw"))
2781                         type = PERF_TYPE_SOFTWARE;
2782                 else if (!strcmp(str, "trace"))
2783                         type = PERF_TYPE_TRACEPOINT;
2784                 else if (!strcmp(str, "raw"))
2785                         type = PERF_TYPE_RAW;
2786                 else if (!strcmp(str, "break"))
2787                         type = PERF_TYPE_BREAKPOINT;
2788                 else if (!strcmp(str, "synth"))
2789                         type = OUTPUT_TYPE_SYNTH;
2790                 else {
2791                         fprintf(stderr, "Invalid event type in field string.\n");
2792                         rc = -EINVAL;
2793                         goto out;
2794                 }
2795
2796                 if (output[type].user_set)
2797                         pr_warning("Overriding previous field request for %s events.\n",
2798                                    event_type(type));
2799
2800                 /* Don't override defaults for +- */
2801                 if (strchr(tok, '+') || strchr(tok, '-'))
2802                         goto parse;
2803
2804                 output[type].fields = 0;
2805                 output[type].user_set = true;
2806                 output[type].wildcard_set = false;
2807
2808         } else {
2809                 tok = str;
2810                 if (strlen(str) == 0) {
2811                         fprintf(stderr,
2812                                 "Cannot set fields to 'none' for all event types.\n");
2813                         rc = -EINVAL;
2814                         goto out;
2815                 }
2816
2817                 /* Don't override defaults for +- */
2818                 if (strchr(str, '+') || strchr(str, '-'))
2819                         goto parse;
2820
2821                 if (output_set_by_user())
2822                         pr_warning("Overriding previous field request for all events.\n");
2823
2824                 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2825                         output[j].fields = 0;
2826                         output[j].user_set = true;
2827                         output[j].wildcard_set = true;
2828                 }
2829         }
2830
2831 parse:
2832         for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
2833                 if (*tok == '+') {
2834                         if (change == SET)
2835                                 goto out_badmix;
2836                         change = ADD;
2837                         tok++;
2838                 } else if (*tok == '-') {
2839                         if (change == SET)
2840                                 goto out_badmix;
2841                         change = REMOVE;
2842                         tok++;
2843                 } else {
2844                         if (change != SET && change != DEFAULT)
2845                                 goto out_badmix;
2846                         change = SET;
2847                 }
2848
2849                 for (i = 0; i < imax; ++i) {
2850                         if (strcmp(tok, all_output_options[i].str) == 0)
2851                                 break;
2852                 }
2853                 if (i == imax && strcmp(tok, "flags") == 0) {
2854                         print_flags = change != REMOVE;
2855                         continue;
2856                 }
2857                 if (i == imax) {
2858                         fprintf(stderr, "Invalid field requested.\n");
2859                         rc = -EINVAL;
2860                         goto out;
2861                 }
2862
2863                 if (type == -1) {
2864                         /* add user option to all events types for
2865                          * which it is valid
2866                          */
2867                         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2868                                 if (output[j].invalid_fields & all_output_options[i].field) {
2869                                         pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
2870                                                    all_output_options[i].str, event_type(j));
2871                                 } else {
2872                                         if (change == REMOVE) {
2873                                                 output[j].fields &= ~all_output_options[i].field;
2874                                                 output[j].user_set_fields &= ~all_output_options[i].field;
2875                                                 output[j].user_unset_fields |= all_output_options[i].field;
2876                                         } else {
2877                                                 output[j].fields |= all_output_options[i].field;
2878                                                 output[j].user_set_fields |= all_output_options[i].field;
2879                                                 output[j].user_unset_fields &= ~all_output_options[i].field;
2880                                         }
2881                                         output[j].user_set = true;
2882                                         output[j].wildcard_set = true;
2883                                 }
2884                         }
2885                 } else {
2886                         if (output[type].invalid_fields & all_output_options[i].field) {
2887                                 fprintf(stderr, "\'%s\' not valid for %s events.\n",
2888                                          all_output_options[i].str, event_type(type));
2889
2890                                 rc = -EINVAL;
2891                                 goto out;
2892                         }
2893                         if (change == REMOVE)
2894                                 output[type].fields &= ~all_output_options[i].field;
2895                         else
2896                                 output[type].fields |= all_output_options[i].field;
2897                         output[type].user_set = true;
2898                         output[type].wildcard_set = true;
2899                 }
2900         }
2901
2902         if (type >= 0) {
2903                 if (output[type].fields == 0) {
2904                         pr_debug("No fields requested for %s type. "
2905                                  "Events will not be displayed.\n", event_type(type));
2906                 }
2907         }
2908         goto out;
2909
2910 out_badmix:
2911         fprintf(stderr, "Cannot mix +-field with overridden fields\n");
2912         rc = -EINVAL;
2913 out:
2914         free(str);
2915         return rc;
2916 }
2917
2918 #define for_each_lang(scripts_path, scripts_dir, lang_dirent)           \
2919         while ((lang_dirent = readdir(scripts_dir)) != NULL)            \
2920                 if ((lang_dirent->d_type == DT_DIR ||                   \
2921                      (lang_dirent->d_type == DT_UNKNOWN &&              \
2922                       is_directory(scripts_path, lang_dirent))) &&      \
2923                     (strcmp(lang_dirent->d_name, ".")) &&               \
2924                     (strcmp(lang_dirent->d_name, "..")))
2925
2926 #define for_each_script(lang_path, lang_dir, script_dirent)             \
2927         while ((script_dirent = readdir(lang_dir)) != NULL)             \
2928                 if (script_dirent->d_type != DT_DIR &&                  \
2929                     (script_dirent->d_type != DT_UNKNOWN ||             \
2930                      !is_directory(lang_path, script_dirent)))
2931
2932
2933 #define RECORD_SUFFIX                   "-record"
2934 #define REPORT_SUFFIX                   "-report"
2935
2936 struct script_desc {
2937         struct list_head        node;
2938         char                    *name;
2939         char                    *half_liner;
2940         char                    *args;
2941 };
2942
2943 static LIST_HEAD(script_descs);
2944
2945 static struct script_desc *script_desc__new(const char *name)
2946 {
2947         struct script_desc *s = zalloc(sizeof(*s));
2948
2949         if (s != NULL && name)
2950                 s->name = strdup(name);
2951
2952         return s;
2953 }
2954
2955 static void script_desc__delete(struct script_desc *s)
2956 {
2957         zfree(&s->name);
2958         zfree(&s->half_liner);
2959         zfree(&s->args);
2960         free(s);
2961 }
2962
2963 static void script_desc__add(struct script_desc *s)
2964 {
2965         list_add_tail(&s->node, &script_descs);
2966 }
2967
2968 static struct script_desc *script_desc__find(const char *name)
2969 {
2970         struct script_desc *s;
2971
2972         list_for_each_entry(s, &script_descs, node)
2973                 if (strcasecmp(s->name, name) == 0)
2974                         return s;
2975         return NULL;
2976 }
2977
2978 static struct script_desc *script_desc__findnew(const char *name)
2979 {
2980         struct script_desc *s = script_desc__find(name);
2981
2982         if (s)
2983                 return s;
2984
2985         s = script_desc__new(name);
2986         if (!s)
2987                 return NULL;
2988
2989         script_desc__add(s);
2990
2991         return s;
2992 }
2993
2994 static const char *ends_with(const char *str, const char *suffix)
2995 {
2996         size_t suffix_len = strlen(suffix);
2997         const char *p = str;
2998
2999         if (strlen(str) > suffix_len) {
3000                 p = str + strlen(str) - suffix_len;
3001                 if (!strncmp(p, suffix, suffix_len))
3002                         return p;
3003         }
3004
3005         return NULL;
3006 }
3007
3008 static int read_script_info(struct script_desc *desc, const char *filename)
3009 {
3010         char line[BUFSIZ], *p;
3011         FILE *fp;
3012
3013         fp = fopen(filename, "r");
3014         if (!fp)
3015                 return -1;
3016
3017         while (fgets(line, sizeof(line), fp)) {
3018                 p = skip_spaces(line);
3019                 if (strlen(p) == 0)
3020                         continue;
3021                 if (*p != '#')
3022                         continue;
3023                 p++;
3024                 if (strlen(p) && *p == '!')
3025                         continue;
3026
3027                 p = skip_spaces(p);
3028                 if (strlen(p) && p[strlen(p) - 1] == '\n')
3029                         p[strlen(p) - 1] = '\0';
3030
3031                 if (!strncmp(p, "description:", strlen("description:"))) {
3032                         p += strlen("description:");
3033                         desc->half_liner = strdup(skip_spaces(p));
3034                         continue;
3035                 }
3036
3037                 if (!strncmp(p, "args:", strlen("args:"))) {
3038                         p += strlen("args:");
3039                         desc->args = strdup(skip_spaces(p));
3040                         continue;
3041                 }
3042         }
3043
3044         fclose(fp);
3045
3046         return 0;
3047 }
3048
3049 static char *get_script_root(struct dirent *script_dirent, const char *suffix)
3050 {
3051         char *script_root, *str;
3052
3053         script_root = strdup(script_dirent->d_name);
3054         if (!script_root)
3055                 return NULL;
3056
3057         str = (char *)ends_with(script_root, suffix);
3058         if (!str) {
3059                 free(script_root);
3060                 return NULL;
3061         }
3062
3063         *str = '\0';
3064         return script_root;
3065 }
3066
3067 static int list_available_scripts(const struct option *opt __maybe_unused,
3068                                   const char *s __maybe_unused,
3069                                   int unset __maybe_unused)
3070 {
3071         struct dirent *script_dirent, *lang_dirent;
3072         char scripts_path[MAXPATHLEN];
3073         DIR *scripts_dir, *lang_dir;
3074         char script_path[MAXPATHLEN];
3075         char lang_path[MAXPATHLEN];
3076         struct script_desc *desc;
3077         char first_half[BUFSIZ];
3078         char *script_root;
3079
3080         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3081
3082         scripts_dir = opendir(scripts_path);
3083         if (!scripts_dir) {
3084                 fprintf(stdout,
3085                         "open(%s) failed.\n"
3086                         "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
3087                         scripts_path);
3088                 exit(-1);
3089         }
3090
3091         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3092                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3093                           lang_dirent->d_name);
3094                 lang_dir = opendir(lang_path);
3095                 if (!lang_dir)
3096                         continue;
3097
3098                 for_each_script(lang_path, lang_dir, script_dirent) {
3099                         script_root = get_script_root(script_dirent, REPORT_SUFFIX);
3100                         if (script_root) {
3101                                 desc = script_desc__findnew(script_root);
3102                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3103                                           lang_path, script_dirent->d_name);
3104                                 read_script_info(desc, script_path);
3105                                 free(script_root);
3106                         }
3107                 }
3108         }
3109
3110         fprintf(stdout, "List of available trace scripts:\n");
3111         list_for_each_entry(desc, &script_descs, node) {
3112                 sprintf(first_half, "%s %s", desc->name,
3113                         desc->args ? desc->args : "");
3114                 fprintf(stdout, "  %-36s %s\n", first_half,
3115                         desc->half_liner ? desc->half_liner : "");
3116         }
3117
3118         exit(0);
3119 }
3120
3121 /*
3122  * Some scripts specify the required events in their "xxx-record" file,
3123  * this function will check if the events in perf.data match those
3124  * mentioned in the "xxx-record".
3125  *
3126  * Fixme: All existing "xxx-record" are all in good formats "-e event ",
3127  * which is covered well now. And new parsing code should be added to
3128  * cover the future complex formats like event groups etc.
3129  */
3130 static int check_ev_match(char *dir_name, char *scriptname,
3131                         struct perf_session *session)
3132 {
3133         char filename[MAXPATHLEN], evname[128];
3134         char line[BUFSIZ], *p;
3135         struct evsel *pos;
3136         int match, len;
3137         FILE *fp;
3138
3139         scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
3140
3141         fp = fopen(filename, "r");
3142         if (!fp)
3143                 return -1;
3144
3145         while (fgets(line, sizeof(line), fp)) {
3146                 p = skip_spaces(line);
3147                 if (*p == '#')
3148                         continue;
3149
3150                 while (strlen(p)) {
3151                         p = strstr(p, "-e");
3152                         if (!p)
3153                                 break;
3154
3155                         p += 2;
3156                         p = skip_spaces(p);
3157                         len = strcspn(p, " \t");
3158                         if (!len)
3159                                 break;
3160
3161                         snprintf(evname, len + 1, "%s", p);
3162
3163                         match = 0;
3164                         evlist__for_each_entry(session->evlist, pos) {
3165                                 if (!strcmp(evsel__name(pos), evname)) {
3166                                         match = 1;
3167                                         break;
3168                                 }
3169                         }
3170
3171                         if (!match) {
3172                                 fclose(fp);
3173                                 return -1;
3174                         }
3175                 }
3176         }
3177
3178         fclose(fp);
3179         return 0;
3180 }
3181
3182 /*
3183  * Return -1 if none is found, otherwise the actual scripts number.
3184  *
3185  * Currently the only user of this function is the script browser, which
3186  * will list all statically runnable scripts, select one, execute it and
3187  * show the output in a perf browser.
3188  */
3189 int find_scripts(char **scripts_array, char **scripts_path_array, int num,
3190                  int pathlen)
3191 {
3192         struct dirent *script_dirent, *lang_dirent;
3193         char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
3194         DIR *scripts_dir, *lang_dir;
3195         struct perf_session *session;
3196         struct perf_data data = {
3197                 .path = input_name,
3198                 .mode = PERF_DATA_MODE_READ,
3199         };
3200         char *temp;
3201         int i = 0;
3202
3203         session = perf_session__new(&data, false, NULL);
3204         if (IS_ERR(session))
3205                 return PTR_ERR(session);
3206
3207         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3208
3209         scripts_dir = opendir(scripts_path);
3210         if (!scripts_dir) {
3211                 perf_session__delete(session);
3212                 return -1;
3213         }
3214
3215         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3216                 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
3217                           lang_dirent->d_name);
3218 #ifndef HAVE_LIBPERL_SUPPORT
3219                 if (strstr(lang_path, "perl"))
3220                         continue;
3221 #endif
3222 #ifndef HAVE_LIBPYTHON_SUPPORT
3223                 if (strstr(lang_path, "python"))
3224                         continue;
3225 #endif
3226
3227                 lang_dir = opendir(lang_path);
3228                 if (!lang_dir)
3229                         continue;
3230
3231                 for_each_script(lang_path, lang_dir, script_dirent) {
3232                         /* Skip those real time scripts: xxxtop.p[yl] */
3233                         if (strstr(script_dirent->d_name, "top."))
3234                                 continue;
3235                         if (i >= num)
3236                                 break;
3237                         snprintf(scripts_path_array[i], pathlen, "%s/%s",
3238                                 lang_path,
3239                                 script_dirent->d_name);
3240                         temp = strchr(script_dirent->d_name, '.');
3241                         snprintf(scripts_array[i],
3242                                 (temp - script_dirent->d_name) + 1,
3243                                 "%s", script_dirent->d_name);
3244
3245                         if (check_ev_match(lang_path,
3246                                         scripts_array[i], session))
3247                                 continue;
3248
3249                         i++;
3250                 }
3251                 closedir(lang_dir);
3252         }
3253
3254         closedir(scripts_dir);
3255         perf_session__delete(session);
3256         return i;
3257 }
3258
3259 static char *get_script_path(const char *script_root, const char *suffix)
3260 {
3261         struct dirent *script_dirent, *lang_dirent;
3262         char scripts_path[MAXPATHLEN];
3263         char script_path[MAXPATHLEN];
3264         DIR *scripts_dir, *lang_dir;
3265         char lang_path[MAXPATHLEN];
3266         char *__script_root;
3267
3268         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3269
3270         scripts_dir = opendir(scripts_path);
3271         if (!scripts_dir)
3272                 return NULL;
3273
3274         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3275                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3276                           lang_dirent->d_name);
3277                 lang_dir = opendir(lang_path);
3278                 if (!lang_dir)
3279                         continue;
3280
3281                 for_each_script(lang_path, lang_dir, script_dirent) {
3282                         __script_root = get_script_root(script_dirent, suffix);
3283                         if (__script_root && !strcmp(script_root, __script_root)) {
3284                                 free(__script_root);
3285                                 closedir(scripts_dir);
3286                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3287                                           lang_path, script_dirent->d_name);
3288                                 closedir(lang_dir);
3289                                 return strdup(script_path);
3290                         }
3291                         free(__script_root);
3292                 }
3293                 closedir(lang_dir);
3294         }
3295         closedir(scripts_dir);
3296
3297         return NULL;
3298 }
3299
3300 static bool is_top_script(const char *script_path)
3301 {
3302         return ends_with(script_path, "top") != NULL;
3303 }
3304
3305 static int has_required_arg(char *script_path)
3306 {
3307         struct script_desc *desc;
3308         int n_args = 0;
3309         char *p;
3310
3311         desc = script_desc__new(NULL);
3312
3313         if (read_script_info(desc, script_path))
3314                 goto out;
3315
3316         if (!desc->args)
3317                 goto out;
3318
3319         for (p = desc->args; *p; p++)
3320                 if (*p == '<')
3321                         n_args++;
3322 out:
3323         script_desc__delete(desc);
3324
3325         return n_args;
3326 }
3327
3328 static int have_cmd(int argc, const char **argv)
3329 {
3330         char **__argv = malloc(sizeof(const char *) * argc);
3331
3332         if (!__argv) {
3333                 pr_err("malloc failed\n");
3334                 return -1;
3335         }
3336
3337         memcpy(__argv, argv, sizeof(const char *) * argc);
3338         argc = parse_options(argc, (const char **)__argv, record_options,
3339                              NULL, PARSE_OPT_STOP_AT_NON_OPTION);
3340         free(__argv);
3341
3342         system_wide = (argc == 0);
3343
3344         return 0;
3345 }
3346
3347 static void script__setup_sample_type(struct perf_script *script)
3348 {
3349         struct perf_session *session = script->session;
3350         u64 sample_type = evlist__combined_sample_type(session->evlist);
3351
3352         if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
3353                 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
3354                     (sample_type & PERF_SAMPLE_STACK_USER)) {
3355                         callchain_param.record_mode = CALLCHAIN_DWARF;
3356                         dwarf_callchain_users = true;
3357                 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
3358                         callchain_param.record_mode = CALLCHAIN_LBR;
3359                 else
3360                         callchain_param.record_mode = CALLCHAIN_FP;
3361         }
3362
3363         if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) {
3364                 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
3365                            "Please apply --call-graph lbr when recording.\n");
3366                 script->stitch_lbr = false;
3367         }
3368 }
3369
3370 static int process_stat_round_event(struct perf_session *session,
3371                                     union perf_event *event)
3372 {
3373         struct perf_record_stat_round *round = &event->stat_round;
3374         struct evsel *counter;
3375
3376         evlist__for_each_entry(session->evlist, counter) {
3377                 perf_stat_process_counter(&stat_config, counter);
3378                 process_stat(counter, round->time);
3379         }
3380
3381         process_stat_interval(round->time);
3382         return 0;
3383 }
3384
3385 static int process_stat_config_event(struct perf_session *session __maybe_unused,
3386                                      union perf_event *event)
3387 {
3388         perf_event__read_stat_config(&stat_config, &event->stat_config);
3389         return 0;
3390 }
3391
3392 static int set_maps(struct perf_script *script)
3393 {
3394         struct evlist *evlist = script->session->evlist;
3395
3396         if (!script->cpus || !script->threads)
3397                 return 0;
3398
3399         if (WARN_ONCE(script->allocated, "stats double allocation\n"))
3400                 return -EINVAL;
3401
3402         perf_evlist__set_maps(&evlist->core, script->cpus, script->threads);
3403
3404         if (evlist__alloc_stats(evlist, true))
3405                 return -ENOMEM;
3406
3407         script->allocated = true;
3408         return 0;
3409 }
3410
3411 static
3412 int process_thread_map_event(struct perf_session *session,
3413                              union perf_event *event)
3414 {
3415         struct perf_tool *tool = session->tool;
3416         struct perf_script *script = container_of(tool, struct perf_script, tool);
3417
3418         if (script->threads) {
3419                 pr_warning("Extra thread map event, ignoring.\n");
3420                 return 0;
3421         }
3422
3423         script->threads = thread_map__new_event(&event->thread_map);
3424         if (!script->threads)
3425                 return -ENOMEM;
3426
3427         return set_maps(script);
3428 }
3429
3430 static
3431 int process_cpu_map_event(struct perf_session *session,
3432                           union perf_event *event)
3433 {
3434         struct perf_tool *tool = session->tool;
3435         struct perf_script *script = container_of(tool, struct perf_script, tool);
3436
3437         if (script->cpus) {
3438                 pr_warning("Extra cpu map event, ignoring.\n");
3439                 return 0;
3440         }
3441
3442         script->cpus = cpu_map__new_data(&event->cpu_map.data);
3443         if (!script->cpus)
3444                 return -ENOMEM;
3445
3446         return set_maps(script);
3447 }
3448
3449 static int process_feature_event(struct perf_session *session,
3450                                  union perf_event *event)
3451 {
3452         if (event->feat.feat_id < HEADER_LAST_FEATURE)
3453                 return perf_event__process_feature(session, event);
3454         return 0;
3455 }
3456
3457 #ifdef HAVE_AUXTRACE_SUPPORT
3458 static int perf_script__process_auxtrace_info(struct perf_session *session,
3459                                               union perf_event *event)
3460 {
3461         struct perf_tool *tool = session->tool;
3462
3463         int ret = perf_event__process_auxtrace_info(session, event);
3464
3465         if (ret == 0) {
3466                 struct perf_script *script = container_of(tool, struct perf_script, tool);
3467
3468                 ret = perf_script__setup_per_event_dump(script);
3469         }
3470
3471         return ret;
3472 }
3473 #else
3474 #define perf_script__process_auxtrace_info 0
3475 #endif
3476
3477 static int parse_insn_trace(const struct option *opt __maybe_unused,
3478                             const char *str __maybe_unused,
3479                             int unset __maybe_unused)
3480 {
3481         parse_output_fields(NULL, "+insn,-event,-period", 0);
3482         itrace_parse_synth_opts(opt, "i0ns", 0);
3483         symbol_conf.nanosecs = true;
3484         return 0;
3485 }
3486
3487 static int parse_xed(const struct option *opt __maybe_unused,
3488                      const char *str __maybe_unused,
3489                      int unset __maybe_unused)
3490 {
3491         if (isatty(1))
3492                 force_pager("xed -F insn: -A -64 | less");
3493         else
3494                 force_pager("xed -F insn: -A -64");
3495         return 0;
3496 }
3497
3498 static int parse_call_trace(const struct option *opt __maybe_unused,
3499                             const char *str __maybe_unused,
3500                             int unset __maybe_unused)
3501 {
3502         parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
3503         itrace_parse_synth_opts(opt, "cewp", 0);
3504         symbol_conf.nanosecs = true;
3505         symbol_conf.pad_output_len_dso = 50;
3506         return 0;
3507 }
3508
3509 static int parse_callret_trace(const struct option *opt __maybe_unused,
3510                             const char *str __maybe_unused,
3511                             int unset __maybe_unused)
3512 {
3513         parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
3514         itrace_parse_synth_opts(opt, "crewp", 0);
3515         symbol_conf.nanosecs = true;
3516         return 0;
3517 }
3518
3519 int cmd_script(int argc, const char **argv)
3520 {
3521         bool show_full_info = false;
3522         bool header = false;
3523         bool header_only = false;
3524         bool script_started = false;
3525         char *rec_script_path = NULL;
3526         char *rep_script_path = NULL;
3527         struct perf_session *session;
3528         struct itrace_synth_opts itrace_synth_opts = {
3529                 .set = false,
3530                 .default_no_sample = true,
3531         };
3532         struct utsname uts;
3533         char *script_path = NULL;
3534         const char **__argv;
3535         int i, j, err = 0;
3536         struct perf_script script = {
3537                 .tool = {
3538                         .sample          = process_sample_event,
3539                         .mmap            = perf_event__process_mmap,
3540                         .mmap2           = perf_event__process_mmap2,
3541                         .comm            = perf_event__process_comm,
3542                         .namespaces      = perf_event__process_namespaces,
3543                         .cgroup          = perf_event__process_cgroup,
3544                         .exit            = perf_event__process_exit,
3545                         .fork            = perf_event__process_fork,
3546                         .attr            = process_attr,
3547                         .event_update   = perf_event__process_event_update,
3548                         .tracing_data    = perf_event__process_tracing_data,
3549                         .feature         = process_feature_event,
3550                         .build_id        = perf_event__process_build_id,
3551                         .id_index        = perf_event__process_id_index,
3552                         .auxtrace_info   = perf_script__process_auxtrace_info,
3553                         .auxtrace        = perf_event__process_auxtrace,
3554                         .auxtrace_error  = perf_event__process_auxtrace_error,
3555                         .stat            = perf_event__process_stat_event,
3556                         .stat_round      = process_stat_round_event,
3557                         .stat_config     = process_stat_config_event,
3558                         .thread_map      = process_thread_map_event,
3559                         .cpu_map         = process_cpu_map_event,
3560                         .ordered_events  = true,
3561                         .ordering_requires_timestamps = true,
3562                 },
3563         };
3564         struct perf_data data = {
3565                 .mode = PERF_DATA_MODE_READ,
3566         };
3567         const struct option options[] = {
3568         OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3569                     "dump raw trace in ASCII"),
3570         OPT_INCR('v', "verbose", &verbose,
3571                  "be more verbose (show symbol address, etc)"),
3572         OPT_BOOLEAN('L', "Latency", &latency_format,
3573                     "show latency attributes (irqs/preemption disabled, etc)"),
3574         OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3575                            list_available_scripts),
3576         OPT_CALLBACK('s', "script", NULL, "name",
3577                      "script file name (lang:script name, script name, or *)",
3578                      parse_scriptname),
3579         OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3580                    "generate perf-script.xx script in specified language"),
3581         OPT_STRING('i', "input", &input_name, "file", "input file name"),
3582         OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3583                    "do various checks like samples ordering and lost events"),
3584         OPT_BOOLEAN(0, "header", &header, "Show data header."),
3585         OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3586         OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3587                    "file", "vmlinux pathname"),
3588         OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3589                    "file", "kallsyms pathname"),
3590         OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3591                     "When printing symbols do not display call chain"),
3592         OPT_CALLBACK(0, "symfs", NULL, "directory",
3593                      "Look for files with symbols relative to this directory",
3594                      symbol__config_symfs),
3595         OPT_CALLBACK('F', "fields", NULL, "str",
3596                      "comma separated output fields prepend with 'type:'. "
3597                      "+field to add and -field to remove."
3598                      "Valid types: hw,sw,trace,raw,synth. "
3599                      "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
3600                      "addr,symoff,srcline,period,iregs,uregs,brstack,"
3601                      "brstacksym,flags,bpf-output,brstackinsn,brstackoff,"
3602                      "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc,tod,"
3603                      "data_page_size,code_page_size",
3604                      parse_output_fields),
3605         OPT_BOOLEAN('a', "all-cpus", &system_wide,
3606                     "system-wide collection from all CPUs"),
3607         OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
3608                    "only consider symbols in these DSOs"),
3609         OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3610                    "only consider these symbols"),
3611         OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range,
3612                     "Use with -S to list traced records within address range"),
3613         OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL,
3614                         "Decode instructions from itrace", parse_insn_trace),
3615         OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
3616                         "Run xed disassembler on output", parse_xed),
3617         OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
3618                         "Decode calls from from itrace", parse_call_trace),
3619         OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
3620                         "Decode calls and returns from itrace", parse_callret_trace),
3621         OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",
3622                         "Only print symbols and callees with --call-trace/--call-ret-trace"),
3623         OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3624                    "Stop display of callgraph at these symbols"),
3625         OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3626         OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3627                    "only display events for these comms"),
3628         OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3629                    "only consider symbols in these pids"),
3630         OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3631                    "only consider symbols in these tids"),
3632         OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3633                      "Set the maximum stack depth when parsing the callchain, "
3634                      "anything beyond the specified depth will be ignored. "
3635                      "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3636         OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"),
3637         OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"),
3638         OPT_BOOLEAN('I', "show-info", &show_full_info,
3639                     "display extended information from perf.data file"),
3640         OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3641                     "Show the path of [kernel.kallsyms]"),
3642         OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3643                     "Show the fork/comm/exit events"),
3644         OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3645                     "Show the mmap events"),
3646         OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3647                     "Show context switch events (if recorded)"),
3648         OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3649                     "Show namespace events (if recorded)"),
3650         OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events,
3651                     "Show cgroup events (if recorded)"),
3652         OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3653                     "Show lost events (if recorded)"),
3654         OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3655                     "Show round events (if recorded)"),
3656         OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events,
3657                     "Show bpf related events (if recorded)"),
3658         OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events,
3659                     "Show text poke related events (if recorded)"),
3660         OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
3661                     "Dump trace output to files named by the monitored events"),
3662         OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3663         OPT_INTEGER(0, "max-blocks", &max_blocks,
3664                     "Maximum number of code blocks to dump with brstackinsn"),
3665         OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs,
3666                     "Use 9 decimal places when displaying time"),
3667         OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
3668                             "Instruction Tracing options\n" ITRACE_HELP,
3669                             itrace_parse_synth_opts),
3670         OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
3671                         "Show full source file name path for source lines"),
3672         OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
3673                         "Enable symbol demangling"),
3674         OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
3675                         "Enable kernel symbol demangling"),
3676         OPT_STRING(0, "time", &script.time_str, "str",
3677                    "Time span of interest (start,stop)"),
3678         OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
3679                     "Show inline function"),
3680         OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
3681                    "guest mount directory under which every guest os"
3682                    " instance has a subdir"),
3683         OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name,
3684                    "file", "file saving guest os vmlinux"),
3685         OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms,
3686                    "file", "file saving guest os /proc/kallsyms"),
3687         OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
3688                    "file", "file saving guest os /proc/modules"),
3689         OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr,
3690                     "Enable LBR callgraph stitching approach"),
3691         OPTS_EVSWITCH(&script.evswitch),
3692         OPT_END()
3693         };
3694         const char * const script_subcommands[] = { "record", "report", NULL };
3695         const char *script_usage[] = {
3696                 "perf script [<options>]",
3697                 "perf script [<options>] record <script> [<record-options>] <command>",
3698                 "perf script [<options>] report <script> [script-args]",
3699                 "perf script [<options>] <script> [<record-options>] <command>",
3700                 "perf script [<options>] <top-script> [script-args]",
3701                 NULL
3702         };
3703
3704         perf_set_singlethreaded();
3705
3706         setup_scripting();
3707
3708         argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3709                              PARSE_OPT_STOP_AT_NON_OPTION);
3710
3711         if (symbol_conf.guestmount ||
3712             symbol_conf.default_guest_vmlinux_name ||
3713             symbol_conf.default_guest_kallsyms ||
3714             symbol_conf.default_guest_modules) {
3715                 /*
3716                  * Enable guest sample processing.
3717                  */
3718                 perf_guest = true;
3719         }
3720
3721         data.path  = input_name;
3722         data.force = symbol_conf.force;
3723
3724         if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
3725                 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
3726                 if (!rec_script_path)
3727                         return cmd_record(argc, argv);
3728         }
3729
3730         if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
3731                 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
3732                 if (!rep_script_path) {
3733                         fprintf(stderr,
3734                                 "Please specify a valid report script"
3735                                 "(see 'perf script -l' for listing)\n");
3736                         return -1;
3737                 }
3738         }
3739
3740         if (reltime && deltatime) {
3741                 fprintf(stderr,
3742                         "reltime and deltatime - the two don't get along well. "
3743                         "Please limit to --reltime or --deltatime.\n");
3744                 return -1;
3745         }
3746
3747         if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) &&
3748             itrace_synth_opts.callchain_sz > scripting_max_stack)
3749                 scripting_max_stack = itrace_synth_opts.callchain_sz;
3750
3751         /* make sure PERF_EXEC_PATH is set for scripts */
3752         set_argv_exec_path(get_argv_exec_path());
3753
3754         if (argc && !script_name && !rec_script_path && !rep_script_path) {
3755                 int live_pipe[2];
3756                 int rep_args;
3757                 pid_t pid;
3758
3759                 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
3760                 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
3761
3762                 if (!rec_script_path && !rep_script_path) {
3763                         script_name = find_script(argv[0]);
3764                         if (script_name) {
3765                                 argc -= 1;
3766                                 argv += 1;
3767                                 goto script_found;
3768                         }
3769                         usage_with_options_msg(script_usage, options,
3770                                 "Couldn't find script `%s'\n\n See perf"
3771                                 " script -l for available scripts.\n", argv[0]);
3772                 }
3773
3774                 if (is_top_script(argv[0])) {
3775                         rep_args = argc - 1;
3776                 } else {
3777                         int rec_args;
3778
3779                         rep_args = has_required_arg(rep_script_path);
3780                         rec_args = (argc - 1) - rep_args;
3781                         if (rec_args < 0) {
3782                                 usage_with_options_msg(script_usage, options,
3783                                         "`%s' script requires options."
3784                                         "\n\n See perf script -l for available "
3785                                         "scripts and options.\n", argv[0]);
3786                         }
3787                 }
3788
3789                 if (pipe(live_pipe) < 0) {
3790                         perror("failed to create pipe");
3791                         return -1;
3792                 }
3793
3794                 pid = fork();
3795                 if (pid < 0) {
3796                         perror("failed to fork");
3797                         return -1;
3798                 }
3799
3800                 if (!pid) {
3801                         j = 0;
3802
3803                         dup2(live_pipe[1], 1);
3804                         close(live_pipe[0]);
3805
3806                         if (is_top_script(argv[0])) {
3807                                 system_wide = true;
3808                         } else if (!system_wide) {
3809                                 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
3810                                         err = -1;
3811                                         goto out;
3812                                 }
3813                         }
3814
3815                         __argv = malloc((argc + 6) * sizeof(const char *));
3816                         if (!__argv) {
3817                                 pr_err("malloc failed\n");
3818                                 err = -ENOMEM;
3819                                 goto out;
3820                         }
3821
3822                         __argv[j++] = "/bin/sh";
3823                         __argv[j++] = rec_script_path;
3824                         if (system_wide)
3825                                 __argv[j++] = "-a";
3826                         __argv[j++] = "-q";
3827                         __argv[j++] = "-o";
3828                         __argv[j++] = "-";
3829                         for (i = rep_args + 1; i < argc; i++)
3830                                 __argv[j++] = argv[i];
3831                         __argv[j++] = NULL;
3832
3833                         execvp("/bin/sh", (char **)__argv);
3834                         free(__argv);
3835                         exit(-1);
3836                 }
3837
3838                 dup2(live_pipe[0], 0);
3839                 close(live_pipe[1]);
3840
3841                 __argv = malloc((argc + 4) * sizeof(const char *));
3842                 if (!__argv) {
3843                         pr_err("malloc failed\n");
3844                         err = -ENOMEM;
3845                         goto out;
3846                 }
3847
3848                 j = 0;
3849                 __argv[j++] = "/bin/sh";
3850                 __argv[j++] = rep_script_path;
3851                 for (i = 1; i < rep_args + 1; i++)
3852                         __argv[j++] = argv[i];
3853                 __argv[j++] = "-i";
3854                 __argv[j++] = "-";
3855                 __argv[j++] = NULL;
3856
3857                 execvp("/bin/sh", (char **)__argv);
3858                 free(__argv);
3859                 exit(-1);
3860         }
3861 script_found:
3862         if (rec_script_path)
3863                 script_path = rec_script_path;
3864         if (rep_script_path)
3865                 script_path = rep_script_path;
3866
3867         if (script_path) {
3868                 j = 0;
3869
3870                 if (!rec_script_path)
3871                         system_wide = false;
3872                 else if (!system_wide) {
3873                         if (have_cmd(argc - 1, &argv[1]) != 0) {
3874                                 err = -1;
3875                                 goto out;
3876                         }
3877                 }
3878
3879                 __argv = malloc((argc + 2) * sizeof(const char *));
3880                 if (!__argv) {
3881                         pr_err("malloc failed\n");
3882                         err = -ENOMEM;
3883                         goto out;
3884                 }
3885
3886                 __argv[j++] = "/bin/sh";
3887                 __argv[j++] = script_path;
3888                 if (system_wide)
3889                         __argv[j++] = "-a";
3890                 for (i = 2; i < argc; i++)
3891                         __argv[j++] = argv[i];
3892                 __argv[j++] = NULL;
3893
3894                 execvp("/bin/sh", (char **)__argv);
3895                 free(__argv);
3896                 exit(-1);
3897         }
3898
3899         if (!script_name) {
3900                 setup_pager();
3901                 use_browser = 0;
3902         }
3903
3904         session = perf_session__new(&data, false, &script.tool);
3905         if (IS_ERR(session))
3906                 return PTR_ERR(session);
3907
3908         if (header || header_only) {
3909                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
3910                 perf_session__fprintf_info(session, stdout, show_full_info);
3911                 if (header_only)
3912                         goto out_delete;
3913         }
3914         if (show_full_info)
3915                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
3916
3917         if (symbol__init(&session->header.env) < 0)
3918                 goto out_delete;
3919
3920         uname(&uts);
3921         if (data.is_pipe ||  /* assume pipe_mode indicates native_arch */
3922             !strcmp(uts.machine, session->header.env.arch) ||
3923             (!strcmp(uts.machine, "x86_64") &&
3924              !strcmp(session->header.env.arch, "i386")))
3925                 native_arch = true;
3926
3927         script.session = session;
3928         script__setup_sample_type(&script);
3929
3930         if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) ||
3931             symbol_conf.graph_function)
3932                 itrace_synth_opts.thread_stack = true;
3933
3934         session->itrace_synth_opts = &itrace_synth_opts;
3935
3936         if (cpu_list) {
3937                 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
3938                 if (err < 0)
3939                         goto out_delete;
3940                 itrace_synth_opts.cpu_bitmap = cpu_bitmap;
3941         }
3942
3943         if (!no_callchain)
3944                 symbol_conf.use_callchain = true;
3945         else
3946                 symbol_conf.use_callchain = false;
3947
3948         if (session->tevent.pevent &&
3949             tep_set_function_resolver(session->tevent.pevent,
3950                                       machine__resolve_kernel_addr,
3951                                       &session->machines.host) < 0) {
3952                 pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
3953                 err = -1;
3954                 goto out_delete;
3955         }
3956
3957         if (generate_script_lang) {
3958                 struct stat perf_stat;
3959                 int input;
3960
3961                 if (output_set_by_user()) {
3962                         fprintf(stderr,
3963                                 "custom fields not supported for generated scripts");
3964                         err = -EINVAL;
3965                         goto out_delete;
3966                 }
3967
3968                 input = open(data.path, O_RDONLY);      /* input_name */
3969                 if (input < 0) {
3970                         err = -errno;
3971                         perror("failed to open file");
3972                         goto out_delete;
3973                 }
3974
3975                 err = fstat(input, &perf_stat);
3976                 if (err < 0) {
3977                         perror("failed to stat file");
3978                         goto out_delete;
3979                 }
3980
3981                 if (!perf_stat.st_size) {
3982                         fprintf(stderr, "zero-sized file, nothing to do!\n");
3983                         goto out_delete;
3984                 }
3985
3986                 scripting_ops = script_spec__lookup(generate_script_lang);
3987                 if (!scripting_ops) {
3988                         fprintf(stderr, "invalid language specifier");
3989                         err = -ENOENT;
3990                         goto out_delete;
3991                 }
3992
3993                 err = scripting_ops->generate_script(session->tevent.pevent,
3994                                                      "perf-script");
3995                 goto out_delete;
3996         }
3997
3998         if (script_name) {
3999                 err = scripting_ops->start_script(script_name, argc, argv);
4000                 if (err)
4001                         goto out_delete;
4002                 pr_debug("perf script started with script %s\n\n", script_name);
4003                 script_started = true;
4004         }
4005
4006
4007         err = perf_session__check_output_opt(session);
4008         if (err < 0)
4009                 goto out_delete;
4010
4011         if (script.time_str) {
4012                 err = perf_time__parse_for_ranges_reltime(script.time_str, session,
4013                                                   &script.ptime_range,
4014                                                   &script.range_size,
4015                                                   &script.range_num,
4016                                                   reltime);
4017                 if (err < 0)
4018                         goto out_delete;
4019
4020                 itrace_synth_opts__set_time_range(&itrace_synth_opts,
4021                                                   script.ptime_range,
4022                                                   script.range_num);
4023         }
4024
4025         err = evswitch__init(&script.evswitch, session->evlist, stderr);
4026         if (err)
4027                 goto out_delete;
4028
4029         if (zstd_init(&(session->zstd_data), 0) < 0)
4030                 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n");
4031
4032         err = __cmd_script(&script);
4033
4034         flush_scripting();
4035
4036 out_delete:
4037         if (script.ptime_range) {
4038                 itrace_synth_opts__clear_time_range(&itrace_synth_opts);
4039                 zfree(&script.ptime_range);
4040         }
4041
4042         evlist__free_stats(session->evlist);
4043         perf_session__delete(session);
4044
4045         if (script_started)
4046                 cleanup_scripting();
4047 out:
4048         return err;
4049 }