tools/perf/builtin-script.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include "builtin.h"
   3
   4 #include "perf.h"
   5 #include "util/cache.h"
   6 #include "util/debug.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/symbol.h"
  14 #include "util/thread.h"
  15 #include "util/trace-event.h"
  16 #include "util/util.h"
  17 #include "util/evlist.h"
  18 #include "util/evsel.h"
  19 #include "util/sort.h"
  20 #include "util/data.h"
  21 #include "util/auxtrace.h"
  22 #include "util/cpumap.h"
  23 #include "util/thread_map.h"
  24 #include "util/stat.h"
  25 #include "util/color.h"
  26 #include "util/string2.h"
  27 #include "util/thread-stack.h"
  28 #include "util/time-utils.h"
  29 #include "util/path.h"
  30 #include "print_binary.h"
  31 #include <linux/bitmap.h>
  32 #include <linux/kernel.h>
  33 #include <linux/stringify.h>
  34 #include <linux/time64.h>
  35 #include "asm/bug.h"
  36 #include "util/mem-events.h"
  37 #include "util/dump-insn.h"
  38 #include <dirent.h>
  39 #include <errno.h>
  40 #include <inttypes.h>
  41 #include <signal.h>
  42 #include <sys/param.h>
  43 #include <sys/types.h>
  44 #include <sys/stat.h>
  45 #include <fcntl.h>
  46 #include <unistd.h>
  47
  48 #include "sane_ctype.h"
  49
  50 static char const               *script_name;
  51 static char const               *generate_script_lang;
  52 static bool                     debug_mode;
  53 static u64                      last_timestamp;
  54 static u64                      nr_unordered;
  55 static bool                     no_callchain;
  56 static bool                     latency_format;
  57 static bool                     system_wide;
  58 static bool                     print_flags;
  59 static bool                     nanosecs;
  60 static const char               *cpu_list;
  61 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
  62 static struct perf_stat_config  stat_config;
  63 static int                      max_blocks;
  64
  65 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
  66
  67 enum perf_output_field {
  68         PERF_OUTPUT_COMM            = 1U << 0,
  69         PERF_OUTPUT_TID             = 1U << 1,
  70         PERF_OUTPUT_PID             = 1U << 2,
  71         PERF_OUTPUT_TIME            = 1U << 3,
  72         PERF_OUTPUT_CPU             = 1U << 4,
  73         PERF_OUTPUT_EVNAME          = 1U << 5,
  74         PERF_OUTPUT_TRACE           = 1U << 6,
  75         PERF_OUTPUT_IP              = 1U << 7,
  76         PERF_OUTPUT_SYM             = 1U << 8,
  77         PERF_OUTPUT_DSO             = 1U << 9,
  78         PERF_OUTPUT_ADDR            = 1U << 10,
  79         PERF_OUTPUT_SYMOFFSET       = 1U << 11,
  80         PERF_OUTPUT_SRCLINE         = 1U << 12,
  81         PERF_OUTPUT_PERIOD          = 1U << 13,
  82         PERF_OUTPUT_IREGS           = 1U << 14,
  83         PERF_OUTPUT_BRSTACK         = 1U << 15,
  84         PERF_OUTPUT_BRSTACKSYM      = 1U << 16,
  85         PERF_OUTPUT_DATA_SRC        = 1U << 17,
  86         PERF_OUTPUT_WEIGHT          = 1U << 18,
  87         PERF_OUTPUT_BPF_OUTPUT      = 1U << 19,
  88         PERF_OUTPUT_CALLINDENT      = 1U << 20,
  89         PERF_OUTPUT_INSN            = 1U << 21,
  90         PERF_OUTPUT_INSNLEN         = 1U << 22,
  91         PERF_OUTPUT_BRSTACKINSN     = 1U << 23,
  92         PERF_OUTPUT_BRSTACKOFF      = 1U << 24,
  93         PERF_OUTPUT_SYNTH           = 1U << 25,
  94         PERF_OUTPUT_PHYS_ADDR       = 1U << 26,
  95         PERF_OUTPUT_UREGS           = 1U << 27,
  96         PERF_OUTPUT_METRIC          = 1U << 28,
  97         PERF_OUTPUT_MISC            = 1U << 29,
  98 };
  99
 100 struct output_option {
 101         const char *str;
 102         enum perf_output_field field;
 103 } all_output_options[] = {
 104         {.str = "comm",  .field = PERF_OUTPUT_COMM},
 105         {.str = "tid",   .field = PERF_OUTPUT_TID},
 106         {.str = "pid",   .field = PERF_OUTPUT_PID},
 107         {.str = "time",  .field = PERF_OUTPUT_TIME},
 108         {.str = "cpu",   .field = PERF_OUTPUT_CPU},
 109         {.str = "event", .field = PERF_OUTPUT_EVNAME},
 110         {.str = "trace", .field = PERF_OUTPUT_TRACE},
 111         {.str = "ip",    .field = PERF_OUTPUT_IP},
 112         {.str = "sym",   .field = PERF_OUTPUT_SYM},
 113         {.str = "dso",   .field = PERF_OUTPUT_DSO},
 114         {.str = "addr",  .field = PERF_OUTPUT_ADDR},
 115         {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
 116         {.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
 117         {.str = "period", .field = PERF_OUTPUT_PERIOD},
 118         {.str = "iregs", .field = PERF_OUTPUT_IREGS},
 119         {.str = "uregs", .field = PERF_OUTPUT_UREGS},
 120         {.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
 121         {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
 122         {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
 123         {.str = "weight",   .field = PERF_OUTPUT_WEIGHT},
 124         {.str = "bpf-output",   .field = PERF_OUTPUT_BPF_OUTPUT},
 125         {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
 126         {.str = "insn", .field = PERF_OUTPUT_INSN},
 127         {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
 128         {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
 129         {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
 130         {.str = "synth", .field = PERF_OUTPUT_SYNTH},
 131         {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
 132         {.str = "metric", .field = PERF_OUTPUT_METRIC},
 133         {.str = "misc", .field = PERF_OUTPUT_MISC},
 134 };
 135
 136 enum {
 137         OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
 138         OUTPUT_TYPE_MAX
 139 };
 140
 141 /* default set to maintain compatibility with current format */
 142 static struct {
 143         bool user_set;
 144         bool wildcard_set;
 145         unsigned int print_ip_opts;
 146         u64 fields;
 147         u64 invalid_fields;
 148 } output[OUTPUT_TYPE_MAX] = {
 149
 150         [PERF_TYPE_HARDWARE] = {
 151                 .user_set = false,
 152
 153                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 154                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 155                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 156                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 157                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 158
 159                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 160         },
 161
 162         [PERF_TYPE_SOFTWARE] = {
 163                 .user_set = false,
 164
 165                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 166                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 167                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 168                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 169                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
 170                               PERF_OUTPUT_BPF_OUTPUT,
 171
 172                 .invalid_fields = PERF_OUTPUT_TRACE,
 173         },
 174
 175         [PERF_TYPE_TRACEPOINT] = {
 176                 .user_set = false,
 177
 178                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 179                                   PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 180                                   PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
 181         },
 182
 183         [PERF_TYPE_HW_CACHE] = {
 184                 .user_set = false,
 185
 186                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 187                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 188                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 189                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 190                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 191
 192                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 193         },
 194
 195         [PERF_TYPE_RAW] = {
 196                 .user_set = false,
 197
 198                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 199                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 200                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 201                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 202                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
 203                               PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
 204                               PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR,
 205
 206                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 207         },
 208
 209         [PERF_TYPE_BREAKPOINT] = {
 210                 .user_set = false,
 211
 212                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 213                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 214                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 215                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 216                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 217
 218                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 219         },
 220
 221         [OUTPUT_TYPE_SYNTH] = {
 222                 .user_set = false,
 223
 224                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 225                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 226                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 227                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 228                               PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH,
 229
 230                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 231         },
 232 };
 233
 234 struct perf_evsel_script {
 235        char *filename;
 236        FILE *fp;
 237        u64  samples;
 238        /* For metric output */
 239        u64  val;
 240        int  gnum;
 241 };
 242
 243 static inline struct perf_evsel_script *evsel_script(struct perf_evsel *evsel)
 244 {
 245         return (struct perf_evsel_script *)evsel->priv;
 246 }
 247
 248 static struct perf_evsel_script *perf_evsel_script__new(struct perf_evsel *evsel,
 249                                                         struct perf_data *data)
 250 {
 251         struct perf_evsel_script *es = zalloc(sizeof(*es));
 252
 253         if (es != NULL) {
 254                 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, perf_evsel__name(evsel)) < 0)
 255                         goto out_free;
 256                 es->fp = fopen(es->filename, "w");
 257                 if (es->fp == NULL)
 258                         goto out_free_filename;
 259         }
 260
 261         return es;
 262 out_free_filename:
 263         zfree(&es->filename);
 264 out_free:
 265         free(es);
 266         return NULL;
 267 }
 268
 269 static void perf_evsel_script__delete(struct perf_evsel_script *es)
 270 {
 271         zfree(&es->filename);
 272         fclose(es->fp);
 273         es->fp = NULL;
 274         free(es);
 275 }
 276
 277 static int perf_evsel_script__fprintf(struct perf_evsel_script *es, FILE *fp)
 278 {
 279         struct stat st;
 280
 281         fstat(fileno(es->fp), &st);
 282         return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
 283                        st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
 284 }
 285
 286 static inline int output_type(unsigned int type)
 287 {
 288         switch (type) {
 289         case PERF_TYPE_SYNTH:
 290                 return OUTPUT_TYPE_SYNTH;
 291         default:
 292                 return type;
 293         }
 294 }
 295
 296 static inline unsigned int attr_type(unsigned int type)
 297 {
 298         switch (type) {
 299         case OUTPUT_TYPE_SYNTH:
 300                 return PERF_TYPE_SYNTH;
 301         default:
 302                 return type;
 303         }
 304 }
 305
 306 static bool output_set_by_user(void)
 307 {
 308         int j;
 309         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 310                 if (output[j].user_set)
 311                         return true;
 312         }
 313         return false;
 314 }
 315
 316 static const char *output_field2str(enum perf_output_field field)
 317 {
 318         int i, imax = ARRAY_SIZE(all_output_options);
 319         const char *str = "";
 320
 321         for (i = 0; i < imax; ++i) {
 322                 if (all_output_options[i].field == field) {
 323                         str = all_output_options[i].str;
 324                         break;
 325                 }
 326         }
 327         return str;
 328 }
 329
 330 #define PRINT_FIELD(x)  (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
 331
 332 static int perf_evsel__do_check_stype(struct perf_evsel *evsel,
 333                                       u64 sample_type, const char *sample_msg,
 334                                       enum perf_output_field field,
 335                                       bool allow_user_set)
 336 {
 337         struct perf_event_attr *attr = &evsel->attr;
 338         int type = output_type(attr->type);
 339         const char *evname;
 340
 341         if (attr->sample_type & sample_type)
 342                 return 0;
 343
 344         if (output[type].user_set) {
 345                 if (allow_user_set)
 346                         return 0;
 347                 evname = perf_evsel__name(evsel);
 348                 pr_err("Samples for '%s' event do not have %s attribute set. "
 349                        "Cannot print '%s' field.\n",
 350                        evname, sample_msg, output_field2str(field));
 351                 return -1;
 352         }
 353
 354         /* user did not ask for it explicitly so remove from the default list */
 355         output[type].fields &= ~field;
 356         evname = perf_evsel__name(evsel);
 357         pr_debug("Samples for '%s' event do not have %s attribute set. "
 358                  "Skipping '%s' field.\n",
 359                  evname, sample_msg, output_field2str(field));
 360
 361         return 0;
 362 }
 363
 364 static int perf_evsel__check_stype(struct perf_evsel *evsel,
 365                                    u64 sample_type, const char *sample_msg,
 366                                    enum perf_output_field field)
 367 {
 368         return perf_evsel__do_check_stype(evsel, sample_type, sample_msg, field,
 369                                           false);
 370 }
 371
 372 static int perf_evsel__check_attr(struct perf_evsel *evsel,
 373                                   struct perf_session *session)
 374 {
 375         struct perf_event_attr *attr = &evsel->attr;
 376         bool allow_user_set;
 377
 378         if (perf_header__has_feat(&session->header, HEADER_STAT))
 379                 return 0;
 380
 381         allow_user_set = perf_header__has_feat(&session->header,
 382                                                HEADER_AUXTRACE);
 383
 384         if (PRINT_FIELD(TRACE) &&
 385                 !perf_session__has_traces(session, "record -R"))
 386                 return -EINVAL;
 387
 388         if (PRINT_FIELD(IP)) {
 389                 if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP",
 390                                             PERF_OUTPUT_IP))
 391                         return -EINVAL;
 392         }
 393
 394         if (PRINT_FIELD(ADDR) &&
 395                 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR",
 396                                            PERF_OUTPUT_ADDR, allow_user_set))
 397                 return -EINVAL;
 398
 399         if (PRINT_FIELD(DATA_SRC) &&
 400                 perf_evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC",
 401                                         PERF_OUTPUT_DATA_SRC))
 402                 return -EINVAL;
 403
 404         if (PRINT_FIELD(WEIGHT) &&
 405                 perf_evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT",
 406                                         PERF_OUTPUT_WEIGHT))
 407                 return -EINVAL;
 408
 409         if (PRINT_FIELD(SYM) &&
 410                 !(evsel->attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
 411                 pr_err("Display of symbols requested but neither sample IP nor "
 412                            "sample address\navailable. Hence, no addresses to convert "
 413                        "to symbols.\n");
 414                 return -EINVAL;
 415         }
 416         if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
 417                 pr_err("Display of offsets requested but symbol is not"
 418                        "selected.\n");
 419                 return -EINVAL;
 420         }
 421         if (PRINT_FIELD(DSO) &&
 422                 !(evsel->attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
 423                 pr_err("Display of DSO requested but no address to convert.\n");
 424                 return -EINVAL;
 425         }
 426         if (PRINT_FIELD(SRCLINE) && !PRINT_FIELD(IP)) {
 427                 pr_err("Display of source line number requested but sample IP is not\n"
 428                        "selected. Hence, no address to lookup the source line number.\n");
 429                 return -EINVAL;
 430         }
 431         if (PRINT_FIELD(BRSTACKINSN) &&
 432             !(perf_evlist__combined_branch_type(session->evlist) &
 433               PERF_SAMPLE_BRANCH_ANY)) {
 434                 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
 435                        "Hint: run 'perf record -b ...'\n");
 436                 return -EINVAL;
 437         }
 438         if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
 439                 perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID",
 440                                         PERF_OUTPUT_TID|PERF_OUTPUT_PID))
 441                 return -EINVAL;
 442
 443         if (PRINT_FIELD(TIME) &&
 444                 perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME",
 445                                         PERF_OUTPUT_TIME))
 446                 return -EINVAL;
 447
 448         if (PRINT_FIELD(CPU) &&
 449                 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU",
 450                                            PERF_OUTPUT_CPU, allow_user_set))
 451                 return -EINVAL;
 452
 453         if (PRINT_FIELD(IREGS) &&
 454                 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS",
 455                                         PERF_OUTPUT_IREGS))
 456                 return -EINVAL;
 457
 458         if (PRINT_FIELD(UREGS) &&
 459                 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS",
 460                                         PERF_OUTPUT_UREGS))
 461                 return -EINVAL;
 462
 463         if (PRINT_FIELD(PHYS_ADDR) &&
 464                 perf_evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR",
 465                                         PERF_OUTPUT_PHYS_ADDR))
 466                 return -EINVAL;
 467
 468         return 0;
 469 }
 470
 471 static void set_print_ip_opts(struct perf_event_attr *attr)
 472 {
 473         unsigned int type = output_type(attr->type);
 474
 475         output[type].print_ip_opts = 0;
 476         if (PRINT_FIELD(IP))
 477                 output[type].print_ip_opts |= EVSEL__PRINT_IP;
 478
 479         if (PRINT_FIELD(SYM))
 480                 output[type].print_ip_opts |= EVSEL__PRINT_SYM;
 481
 482         if (PRINT_FIELD(DSO))
 483                 output[type].print_ip_opts |= EVSEL__PRINT_DSO;
 484
 485         if (PRINT_FIELD(SYMOFFSET))
 486                 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
 487
 488         if (PRINT_FIELD(SRCLINE))
 489                 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
 490 }
 491
 492 /*
 493  * verify all user requested events exist and the samples
 494  * have the expected data
 495  */
 496 static int perf_session__check_output_opt(struct perf_session *session)
 497 {
 498         unsigned int j;
 499         struct perf_evsel *evsel;
 500
 501         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 502                 evsel = perf_session__find_first_evtype(session, attr_type(j));
 503
 504                 /*
 505                  * even if fields is set to 0 (ie., show nothing) event must
 506                  * exist if user explicitly includes it on the command line
 507                  */
 508                 if (!evsel && output[j].user_set && !output[j].wildcard_set &&
 509                     j != OUTPUT_TYPE_SYNTH) {
 510                         pr_err("%s events do not exist. "
 511                                "Remove corresponding -F option to proceed.\n",
 512                                event_type(j));
 513                         return -1;
 514                 }
 515
 516                 if (evsel && output[j].fields &&
 517                         perf_evsel__check_attr(evsel, session))
 518                         return -1;
 519
 520                 if (evsel == NULL)
 521                         continue;
 522
 523                 set_print_ip_opts(&evsel->attr);
 524         }
 525
 526         if (!no_callchain) {
 527                 bool use_callchain = false;
 528                 bool not_pipe = false;
 529
 530                 evlist__for_each_entry(session->evlist, evsel) {
 531                         not_pipe = true;
 532                         if (evsel__has_callchain(evsel)) {
 533                                 use_callchain = true;
 534                                 break;
 535                         }
 536                 }
 537                 if (not_pipe && !use_callchain)
 538                         symbol_conf.use_callchain = false;
 539         }
 540
 541         /*
 542          * set default for tracepoints to print symbols only
 543          * if callchains are present
 544          */
 545         if (symbol_conf.use_callchain &&
 546             !output[PERF_TYPE_TRACEPOINT].user_set) {
 547                 j = PERF_TYPE_TRACEPOINT;
 548
 549                 evlist__for_each_entry(session->evlist, evsel) {
 550                         if (evsel->attr.type != j)
 551                                 continue;
 552
 553                         if (evsel__has_callchain(evsel)) {
 554                                 output[j].fields |= PERF_OUTPUT_IP;
 555                                 output[j].fields |= PERF_OUTPUT_SYM;
 556                                 output[j].fields |= PERF_OUTPUT_SYMOFFSET;
 557                                 output[j].fields |= PERF_OUTPUT_DSO;
 558                                 set_print_ip_opts(&evsel->attr);
 559                                 goto out;
 560                         }
 561                 }
 562         }
 563
 564 out:
 565         return 0;
 566 }
 567
 568 static int perf_sample__fprintf_iregs(struct perf_sample *sample,
 569                                       struct perf_event_attr *attr, FILE *fp)
 570 {
 571         struct regs_dump *regs = &sample->intr_regs;
 572         uint64_t mask = attr->sample_regs_intr;
 573         unsigned i = 0, r;
 574         int printed = 0;
 575
 576         if (!regs)
 577                 return 0;
 578
 579         for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
 580                 u64 val = regs->regs[i++];
 581                 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
 582         }
 583
 584         return printed;
 585 }
 586
 587 static int perf_sample__fprintf_uregs(struct perf_sample *sample,
 588                                       struct perf_event_attr *attr, FILE *fp)
 589 {
 590         struct regs_dump *regs = &sample->user_regs;
 591         uint64_t mask = attr->sample_regs_user;
 592         unsigned i = 0, r;
 593         int printed = 0;
 594
 595         if (!regs || !regs->regs)
 596                 return 0;
 597
 598         printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
 599
 600         for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
 601                 u64 val = regs->regs[i++];
 602                 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
 603         }
 604
 605         return printed;
 606 }
 607
 608 static int perf_sample__fprintf_start(struct perf_sample *sample,
 609                                       struct thread *thread,
 610                                       struct perf_evsel *evsel,
 611                                       u32 type, FILE *fp)
 612 {
 613         struct perf_event_attr *attr = &evsel->attr;
 614         unsigned long secs;
 615         unsigned long long nsecs;
 616         int printed = 0;
 617
 618         if (PRINT_FIELD(COMM)) {
 619                 if (latency_format)
 620                         printed += fprintf(fp, "%8.8s ", thread__comm_str(thread));
 621                 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
 622                         printed += fprintf(fp, "%s ", thread__comm_str(thread));
 623                 else
 624                         printed += fprintf(fp, "%16s ", thread__comm_str(thread));
 625         }
 626
 627         if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
 628                 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid);
 629         else if (PRINT_FIELD(PID))
 630                 printed += fprintf(fp, "%5d ", sample->pid);
 631         else if (PRINT_FIELD(TID))
 632                 printed += fprintf(fp, "%5d ", sample->tid);
 633
 634         if (PRINT_FIELD(CPU)) {
 635                 if (latency_format)
 636                         printed += fprintf(fp, "%3d ", sample->cpu);
 637                 else
 638                         printed += fprintf(fp, "[%03d] ", sample->cpu);
 639         }
 640
 641         if (PRINT_FIELD(MISC)) {
 642                 int ret = 0;
 643
 644                 #define has(m) \
 645                         (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
 646
 647                 if (has(KERNEL))
 648                         ret += fprintf(fp, "K");
 649                 if (has(USER))
 650                         ret += fprintf(fp, "U");
 651                 if (has(HYPERVISOR))
 652                         ret += fprintf(fp, "H");
 653                 if (has(GUEST_KERNEL))
 654                         ret += fprintf(fp, "G");
 655                 if (has(GUEST_USER))
 656                         ret += fprintf(fp, "g");
 657
 658                 switch (type) {
 659                 case PERF_RECORD_MMAP:
 660                 case PERF_RECORD_MMAP2:
 661                         if (has(MMAP_DATA))
 662                                 ret += fprintf(fp, "M");
 663                         break;
 664                 case PERF_RECORD_COMM:
 665                         if (has(COMM_EXEC))
 666                                 ret += fprintf(fp, "E");
 667                         break;
 668                 case PERF_RECORD_SWITCH:
 669                 case PERF_RECORD_SWITCH_CPU_WIDE:
 670                         if (has(SWITCH_OUT)) {
 671                                 ret += fprintf(fp, "S");
 672                                 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
 673                                         ret += fprintf(fp, "p");
 674                         }
 675                 default:
 676                         break;
 677                 }
 678
 679                 #undef has
 680
 681                 ret += fprintf(fp, "%*s", 6 - ret, " ");
 682                 printed += ret;
 683         }
 684
 685         if (PRINT_FIELD(TIME)) {
 686                 nsecs = sample->time;
 687                 secs = nsecs / NSEC_PER_SEC;
 688                 nsecs -= secs * NSEC_PER_SEC;
 689
 690                 if (nanosecs)
 691                         printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
 692                 else {
 693                         char sample_time[32];
 694                         timestamp__scnprintf_usec(sample->time, sample_time, sizeof(sample_time));
 695                         printed += fprintf(fp, "%12s: ", sample_time);
 696                 }
 697         }
 698
 699         return printed;
 700 }
 701
 702 static inline char
 703 mispred_str(struct branch_entry *br)
 704 {
 705         if (!(br->flags.mispred  || br->flags.predicted))
 706                 return '-';
 707
 708         return br->flags.predicted ? 'P' : 'M';
 709 }
 710
 711 static int perf_sample__fprintf_brstack(struct perf_sample *sample,
 712                                         struct thread *thread,
 713                                         struct perf_event_attr *attr, FILE *fp)
 714 {
 715         struct branch_stack *br = sample->branch_stack;
 716         struct addr_location alf, alt;
 717         u64 i, from, to;
 718         int printed = 0;
 719
 720         if (!(br && br->nr))
 721                 return 0;
 722
 723         for (i = 0; i < br->nr; i++) {
 724                 from = br->entries[i].from;
 725                 to   = br->entries[i].to;
 726
 727                 if (PRINT_FIELD(DSO)) {
 728                         memset(&alf, 0, sizeof(alf));
 729                         memset(&alt, 0, sizeof(alt));
 730                         thread__find_map(thread, sample->cpumode, from, &alf);
 731                         thread__find_map(thread, sample->cpumode, to, &alt);
 732                 }
 733
 734                 printed += fprintf(fp, " 0x%"PRIx64, from);
 735                 if (PRINT_FIELD(DSO)) {
 736                         printed += fprintf(fp, "(");
 737                         printed += map__fprintf_dsoname(alf.map, fp);
 738                         printed += fprintf(fp, ")");
 739                 }
 740
 741                 printed += fprintf(fp, "/0x%"PRIx64, to);
 742                 if (PRINT_FIELD(DSO)) {
 743                         printed += fprintf(fp, "(");
 744                         printed += map__fprintf_dsoname(alt.map, fp);
 745                         printed += fprintf(fp, ")");
 746                 }
 747
 748                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 749                         mispred_str( br->entries + i),
 750                         br->entries[i].flags.in_tx? 'X' : '-',
 751                         br->entries[i].flags.abort? 'A' : '-',
 752                         br->entries[i].flags.cycles);
 753         }
 754
 755         return printed;
 756 }
 757
 758 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
 759                                            struct thread *thread,
 760                                            struct perf_event_attr *attr, FILE *fp)
 761 {
 762         struct branch_stack *br = sample->branch_stack;
 763         struct addr_location alf, alt;
 764         u64 i, from, to;
 765         int printed = 0;
 766
 767         if (!(br && br->nr))
 768                 return 0;
 769
 770         for (i = 0; i < br->nr; i++) {
 771
 772                 memset(&alf, 0, sizeof(alf));
 773                 memset(&alt, 0, sizeof(alt));
 774                 from = br->entries[i].from;
 775                 to   = br->entries[i].to;
 776
 777                 thread__find_symbol(thread, sample->cpumode, from, &alf);
 778                 thread__find_symbol(thread, sample->cpumode, to, &alt);
 779
 780                 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
 781                 if (PRINT_FIELD(DSO)) {
 782                         printed += fprintf(fp, "(");
 783                         printed += map__fprintf_dsoname(alf.map, fp);
 784                         printed += fprintf(fp, ")");
 785                 }
 786                 printed += fprintf(fp, "%c", '/');
 787                 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
 788                 if (PRINT_FIELD(DSO)) {
 789                         printed += fprintf(fp, "(");
 790                         printed += map__fprintf_dsoname(alt.map, fp);
 791                         printed += fprintf(fp, ")");
 792                 }
 793                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 794                         mispred_str( br->entries + i),
 795                         br->entries[i].flags.in_tx? 'X' : '-',
 796                         br->entries[i].flags.abort? 'A' : '-',
 797                         br->entries[i].flags.cycles);
 798         }
 799
 800         return printed;
 801 }
 802
 803 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
 804                                            struct thread *thread,
 805                                            struct perf_event_attr *attr, FILE *fp)
 806 {
 807         struct branch_stack *br = sample->branch_stack;
 808         struct addr_location alf, alt;
 809         u64 i, from, to;
 810         int printed = 0;
 811
 812         if (!(br && br->nr))
 813                 return 0;
 814
 815         for (i = 0; i < br->nr; i++) {
 816
 817                 memset(&alf, 0, sizeof(alf));
 818                 memset(&alt, 0, sizeof(alt));
 819                 from = br->entries[i].from;
 820                 to   = br->entries[i].to;
 821
 822                 if (thread__find_map(thread, sample->cpumode, from, &alf) &&
 823                     !alf.map->dso->adjust_symbols)
 824                         from = map__map_ip(alf.map, from);
 825
 826                 if (thread__find_map(thread, sample->cpumode, to, &alt) &&
 827                     !alt.map->dso->adjust_symbols)
 828                         to = map__map_ip(alt.map, to);
 829
 830                 printed += fprintf(fp, " 0x%"PRIx64, from);
 831                 if (PRINT_FIELD(DSO)) {
 832                         printed += fprintf(fp, "(");
 833                         printed += map__fprintf_dsoname(alf.map, fp);
 834                         printed += fprintf(fp, ")");
 835                 }
 836                 printed += fprintf(fp, "/0x%"PRIx64, to);
 837                 if (PRINT_FIELD(DSO)) {
 838                         printed += fprintf(fp, "(");
 839                         printed += map__fprintf_dsoname(alt.map, fp);
 840                         printed += fprintf(fp, ")");
 841                 }
 842                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 843                         mispred_str(br->entries + i),
 844                         br->entries[i].flags.in_tx ? 'X' : '-',
 845                         br->entries[i].flags.abort ? 'A' : '-',
 846                         br->entries[i].flags.cycles);
 847         }
 848
 849         return printed;
 850 }
 851 #define MAXBB 16384UL
 852
 853 static int grab_bb(u8 *buffer, u64 start, u64 end,
 854                     struct machine *machine, struct thread *thread,
 855                     bool *is64bit, u8 *cpumode, bool last)
 856 {
 857         long offset, len;
 858         struct addr_location al;
 859         bool kernel;
 860
 861         if (!start || !end)
 862                 return 0;
 863
 864         kernel = machine__kernel_ip(machine, start);
 865         if (kernel)
 866                 *cpumode = PERF_RECORD_MISC_KERNEL;
 867         else
 868                 *cpumode = PERF_RECORD_MISC_USER;
 869
 870         /*
 871          * Block overlaps between kernel and user.
 872          * This can happen due to ring filtering
 873          * On Intel CPUs the entry into the kernel is filtered,
 874          * but the exit is not. Let the caller patch it up.
 875          */
 876         if (kernel != machine__kernel_ip(machine, end)) {
 877                 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
 878                 return -ENXIO;
 879         }
 880
 881         memset(&al, 0, sizeof(al));
 882         if (end - start > MAXBB - MAXINSN) {
 883                 if (last)
 884                         pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
 885                 else
 886                         pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
 887                 return 0;
 888         }
 889
 890         if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) {
 891                 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
 892                 return 0;
 893         }
 894         if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
 895                 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
 896                 return 0;
 897         }
 898
 899         /* Load maps to ensure dso->is_64_bit has been updated */
 900         map__load(al.map);
 901
 902         offset = al.map->map_ip(al.map, start);
 903         len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer,
 904                                     end - start + MAXINSN);
 905
 906         *is64bit = al.map->dso->is_64_bit;
 907         if (len <= 0)
 908                 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
 909                         start, end);
 910         return len;
 911 }
 912
 913 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
 914                             struct perf_insn *x, u8 *inbuf, int len,
 915                             int insn, FILE *fp)
 916 {
 917         int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip,
 918                               dump_insn(x, ip, inbuf, len, NULL),
 919                               en->flags.predicted ? " PRED" : "",
 920                               en->flags.mispred ? " MISPRED" : "",
 921                               en->flags.in_tx ? " INTX" : "",
 922                               en->flags.abort ? " ABORT" : "");
 923         if (en->flags.cycles) {
 924                 printed += fprintf(fp, " %d cycles", en->flags.cycles);
 925                 if (insn)
 926                         printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
 927         }
 928         return printed + fprintf(fp, "\n");
 929 }
 930
 931 static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
 932                            u8 cpumode, int cpu, struct symbol **lastsym,
 933                            struct perf_event_attr *attr, FILE *fp)
 934 {
 935         struct addr_location al;
 936         int off, printed = 0;
 937
 938         memset(&al, 0, sizeof(al));
 939
 940         thread__find_map(thread, cpumode, addr, &al);
 941
 942         if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
 943                 return 0;
 944
 945         al.cpu = cpu;
 946         al.sym = NULL;
 947         if (al.map)
 948                 al.sym = map__find_symbol(al.map, al.addr);
 949
 950         if (!al.sym)
 951                 return 0;
 952
 953         if (al.addr < al.sym->end)
 954                 off = al.addr - al.sym->start;
 955         else
 956                 off = al.addr - al.map->start - al.sym->start;
 957         printed += fprintf(fp, "\t%s", al.sym->name);
 958         if (off)
 959                 printed += fprintf(fp, "%+d", off);
 960         printed += fprintf(fp, ":");
 961         if (PRINT_FIELD(SRCLINE))
 962                 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
 963         printed += fprintf(fp, "\n");
 964         *lastsym = al.sym;
 965
 966         return printed;
 967 }
 968
 969 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
 970                                             struct thread *thread,
 971                                             struct perf_event_attr *attr,
 972                                             struct machine *machine, FILE *fp)
 973 {
 974         struct branch_stack *br = sample->branch_stack;
 975         u64 start, end;
 976         int i, insn, len, nr, ilen, printed = 0;
 977         struct perf_insn x;
 978         u8 buffer[MAXBB];
 979         unsigned off;
 980         struct symbol *lastsym = NULL;
 981
 982         if (!(br && br->nr))
 983                 return 0;
 984         nr = br->nr;
 985         if (max_blocks && nr > max_blocks + 1)
 986                 nr = max_blocks + 1;
 987
 988         x.thread = thread;
 989         x.cpu = sample->cpu;
 990
 991         printed += fprintf(fp, "%c", '\n');
 992
 993         /* Handle first from jump, of which we don't know the entry. */
 994         len = grab_bb(buffer, br->entries[nr-1].from,
 995                         br->entries[nr-1].from,
 996                         machine, thread, &x.is64bit, &x.cpumode, false);
 997         if (len > 0) {
 998                 printed += ip__fprintf_sym(br->entries[nr - 1].from, thread,
 999                                            x.cpumode, x.cpu, &lastsym, attr, fp);
1000                 printed += ip__fprintf_jump(br->entries[nr - 1].from, &br->entries[nr - 1],
1001                                             &x, buffer, len, 0, fp);
1002         }
1003
1004         /* Print all blocks */
1005         for (i = nr - 2; i >= 0; i--) {
1006                 if (br->entries[i].from || br->entries[i].to)
1007                         pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1008                                  br->entries[i].from,
1009                                  br->entries[i].to);
1010                 start = br->entries[i + 1].to;
1011                 end   = br->entries[i].from;
1012
1013                 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1014                 /* Patch up missing kernel transfers due to ring filters */
1015                 if (len == -ENXIO && i > 0) {
1016                         end = br->entries[--i].from;
1017                         pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1018                         len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1019                 }
1020                 if (len <= 0)
1021                         continue;
1022
1023                 insn = 0;
1024                 for (off = 0;; off += ilen) {
1025                         uint64_t ip = start + off;
1026
1027                         printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1028                         if (ip == end) {
1029                                 printed += ip__fprintf_jump(ip, &br->entries[i], &x, buffer + off, len - off, insn, fp);
1030                                 break;
1031                         } else {
1032                                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip,
1033                                                    dump_insn(&x, ip, buffer + off, len - off, &ilen));
1034                                 if (ilen == 0)
1035                                         break;
1036                                 insn++;
1037                         }
1038                 }
1039         }
1040
1041         /*
1042          * Hit the branch? In this case we are already done, and the target
1043          * has not been executed yet.
1044          */
1045         if (br->entries[0].from == sample->ip)
1046                 goto out;
1047         if (br->entries[0].flags.abort)
1048                 goto out;
1049
1050         /*
1051          * Print final block upto sample
1052          */
1053         start = br->entries[0].to;
1054         end = sample->ip;
1055         len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1056         printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1057         if (len <= 0) {
1058                 /* Print at least last IP if basic block did not work */
1059                 len = grab_bb(buffer, sample->ip, sample->ip,
1060                               machine, thread, &x.is64bit, &x.cpumode, false);
1061                 if (len <= 0)
1062                         goto out;
1063
1064                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip,
1065                         dump_insn(&x, sample->ip, buffer, len, NULL));
1066                 goto out;
1067         }
1068         for (off = 0; off <= end - start; off += ilen) {
1069                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off,
1070                                    dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1071                 if (ilen == 0)
1072                         break;
1073         }
1074 out:
1075         return printed;
1076 }
1077
1078 static int perf_sample__fprintf_addr(struct perf_sample *sample,
1079                                      struct thread *thread,
1080                                      struct perf_event_attr *attr, FILE *fp)
1081 {
1082         struct addr_location al;
1083         int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1084
1085         if (!sample_addr_correlates_sym(attr))
1086                 goto out;
1087
1088         thread__resolve(thread, &al, sample);
1089
1090         if (PRINT_FIELD(SYM)) {
1091                 printed += fprintf(fp, " ");
1092                 if (PRINT_FIELD(SYMOFFSET))
1093                         printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1094                 else
1095                         printed += symbol__fprintf_symname(al.sym, fp);
1096         }
1097
1098         if (PRINT_FIELD(DSO)) {
1099                 printed += fprintf(fp, " (");
1100                 printed += map__fprintf_dsoname(al.map, fp);
1101                 printed += fprintf(fp, ")");
1102         }
1103 out:
1104         return printed;
1105 }
1106
1107 static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1108                                            struct perf_evsel *evsel,
1109                                            struct thread *thread,
1110                                            struct addr_location *al, FILE *fp)
1111 {
1112         struct perf_event_attr *attr = &evsel->attr;
1113         size_t depth = thread_stack__depth(thread);
1114         struct addr_location addr_al;
1115         const char *name = NULL;
1116         static int spacing;
1117         int len = 0;
1118         int dlen = 0;
1119         u64 ip = 0;
1120
1121         /*
1122          * The 'return' has already been popped off the stack so the depth has
1123          * to be adjusted to match the 'call'.
1124          */
1125         if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
1126                 depth += 1;
1127
1128         if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1129                 if (sample_addr_correlates_sym(attr)) {
1130                         thread__resolve(thread, &addr_al, sample);
1131                         if (addr_al.sym)
1132                                 name = addr_al.sym->name;
1133                         else
1134                                 ip = sample->addr;
1135                 } else {
1136                         ip = sample->addr;
1137                 }
1138         } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1139                 if (al->sym)
1140                         name = al->sym->name;
1141                 else
1142                         ip = sample->ip;
1143         }
1144
1145         if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
1146                 dlen += fprintf(fp, "(");
1147                 dlen += map__fprintf_dsoname(al->map, fp);
1148                 dlen += fprintf(fp, ")\t");
1149         }
1150
1151         if (name)
1152                 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1153         else if (ip)
1154                 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1155
1156         if (len < 0)
1157                 return len;
1158
1159         /*
1160          * Try to keep the output length from changing frequently so that the
1161          * output lines up more nicely.
1162          */
1163         if (len > spacing || (len && len < spacing - 52))
1164                 spacing = round_up(len + 4, 32);
1165
1166         if (len < spacing)
1167                 len += fprintf(fp, "%*s", spacing - len, "");
1168
1169         return len + dlen;
1170 }
1171
1172 static int perf_sample__fprintf_insn(struct perf_sample *sample,
1173                                      struct perf_event_attr *attr,
1174                                      struct thread *thread,
1175                                      struct machine *machine, FILE *fp)
1176 {
1177         int printed = 0;
1178
1179         if (PRINT_FIELD(INSNLEN))
1180                 printed += fprintf(fp, " ilen: %d", sample->insn_len);
1181         if (PRINT_FIELD(INSN)) {
1182                 int i;
1183
1184                 printed += fprintf(fp, " insn:");
1185                 for (i = 0; i < sample->insn_len; i++)
1186                         printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
1187         }
1188         if (PRINT_FIELD(BRSTACKINSN))
1189                 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
1190
1191         return printed;
1192 }
1193
1194 static int perf_sample__fprintf_bts(struct perf_sample *sample,
1195                                     struct perf_evsel *evsel,
1196                                     struct thread *thread,
1197                                     struct addr_location *al,
1198                                     struct machine *machine, FILE *fp)
1199 {
1200         struct perf_event_attr *attr = &evsel->attr;
1201         unsigned int type = output_type(attr->type);
1202         bool print_srcline_last = false;
1203         int printed = 0;
1204
1205         if (PRINT_FIELD(CALLINDENT))
1206                 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp);
1207
1208         /* print branch_from information */
1209         if (PRINT_FIELD(IP)) {
1210                 unsigned int print_opts = output[type].print_ip_opts;
1211                 struct callchain_cursor *cursor = NULL;
1212
1213                 if (symbol_conf.use_callchain && sample->callchain &&
1214                     thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1215                                               sample, NULL, NULL, scripting_max_stack) == 0)
1216                         cursor = &callchain_cursor;
1217
1218                 if (cursor == NULL) {
1219                         printed += fprintf(fp, " ");
1220                         if (print_opts & EVSEL__PRINT_SRCLINE) {
1221                                 print_srcline_last = true;
1222                                 print_opts &= ~EVSEL__PRINT_SRCLINE;
1223                         }
1224                 } else
1225                         printed += fprintf(fp, "\n");
1226
1227                 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, fp);
1228         }
1229
1230         /* print branch_to information */
1231         if (PRINT_FIELD(ADDR) ||
1232             ((evsel->attr.sample_type & PERF_SAMPLE_ADDR) &&
1233              !output[type].user_set)) {
1234                 printed += fprintf(fp, " => ");
1235                 printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1236         }
1237
1238         if (print_srcline_last)
1239                 printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
1240
1241         printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1242         return printed + fprintf(fp, "\n");
1243 }
1244
1245 static struct {
1246         u32 flags;
1247         const char *name;
1248 } sample_flags[] = {
1249         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1250         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1251         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1252         {PERF_IP_FLAG_BRANCH, "jmp"},
1253         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1254         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1255         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1256         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1257         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1258         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"},
1259         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1260         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1261         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1262         {0, NULL}
1263 };
1264
1265 static const char *sample_flags_to_name(u32 flags)
1266 {
1267         int i;
1268
1269         for (i = 0; sample_flags[i].name ; i++) {
1270                 if (sample_flags[i].flags == flags)
1271                         return sample_flags[i].name;
1272         }
1273
1274         return NULL;
1275 }
1276
1277 static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1278 {
1279         const char *chars = PERF_IP_FLAG_CHARS;
1280         const int n = strlen(PERF_IP_FLAG_CHARS);
1281         bool in_tx = flags & PERF_IP_FLAG_IN_TX;
1282         const char *name = NULL;
1283         char str[33];
1284         int i, pos = 0;
1285
1286         name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX);
1287         if (name)
1288                 return fprintf(fp, "  %-15s%4s ", name, in_tx ? "(x)" : "");
1289
1290         if (flags & PERF_IP_FLAG_TRACE_BEGIN) {
1291                 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN));
1292                 if (name)
1293                         return fprintf(fp, "  tr strt %-7s%4s ", name, in_tx ? "(x)" : "");
1294         }
1295
1296         if (flags & PERF_IP_FLAG_TRACE_END) {
1297                 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END));
1298                 if (name)
1299                         return fprintf(fp, "  tr end  %-7s%4s ", name, in_tx ? "(x)" : "");
1300         }
1301
1302         for (i = 0; i < n; i++, flags >>= 1) {
1303                 if (flags & 1)
1304                         str[pos++] = chars[i];
1305         }
1306         for (; i < 32; i++, flags >>= 1) {
1307                 if (flags & 1)
1308                         str[pos++] = '?';
1309         }
1310         str[pos] = 0;
1311
1312         return fprintf(fp, "  %-19s ", str);
1313 }
1314
1315 struct printer_data {
1316         int line_no;
1317         bool hit_nul;
1318         bool is_printable;
1319 };
1320
1321 static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1322                                       unsigned int val,
1323                                       void *extra, FILE *fp)
1324 {
1325         unsigned char ch = (unsigned char)val;
1326         struct printer_data *printer_data = extra;
1327         int printed = 0;
1328
1329         switch (op) {
1330         case BINARY_PRINT_DATA_BEGIN:
1331                 printed += fprintf(fp, "\n");
1332                 break;
1333         case BINARY_PRINT_LINE_BEGIN:
1334                 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1335                                                         "           ");
1336                 break;
1337         case BINARY_PRINT_ADDR:
1338                 printed += fprintf(fp, " %04x:", val);
1339                 break;
1340         case BINARY_PRINT_NUM_DATA:
1341                 printed += fprintf(fp, " %02x", val);
1342                 break;
1343         case BINARY_PRINT_NUM_PAD:
1344                 printed += fprintf(fp, "   ");
1345                 break;
1346         case BINARY_PRINT_SEP:
1347                 printed += fprintf(fp, "  ");
1348                 break;
1349         case BINARY_PRINT_CHAR_DATA:
1350                 if (printer_data->hit_nul && ch)
1351                         printer_data->is_printable = false;
1352
1353                 if (!isprint(ch)) {
1354                         printed += fprintf(fp, "%c", '.');
1355
1356                         if (!printer_data->is_printable)
1357                                 break;
1358
1359                         if (ch == '\0')
1360                                 printer_data->hit_nul = true;
1361                         else
1362                                 printer_data->is_printable = false;
1363                 } else {
1364                         printed += fprintf(fp, "%c", ch);
1365                 }
1366                 break;
1367         case BINARY_PRINT_CHAR_PAD:
1368                 printed += fprintf(fp, " ");
1369                 break;
1370         case BINARY_PRINT_LINE_END:
1371                 printed += fprintf(fp, "\n");
1372                 printer_data->line_no++;
1373                 break;
1374         case BINARY_PRINT_DATA_END:
1375         default:
1376                 break;
1377         }
1378
1379         return printed;
1380 }
1381
1382 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1383 {
1384         unsigned int nr_bytes = sample->raw_size;
1385         struct printer_data printer_data = {0, false, true};
1386         int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1387                                       sample__fprintf_bpf_output, &printer_data, fp);
1388
1389         if (printer_data.is_printable && printer_data.hit_nul)
1390                 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1391
1392         return printed;
1393 }
1394
1395 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1396 {
1397         if (len > 0 && len < spacing)
1398                 return fprintf(fp, "%*s", spacing - len, "");
1399
1400         return 0;
1401 }
1402
1403 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1404 {
1405         return perf_sample__fprintf_spacing(len, 34, fp);
1406 }
1407
1408 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1409 {
1410         struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1411         int len;
1412
1413         if (perf_sample__bad_synth_size(sample, *data))
1414                 return 0;
1415
1416         len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ",
1417                      data->ip, le64_to_cpu(data->payload));
1418         return len + perf_sample__fprintf_pt_spacing(len, fp);
1419 }
1420
1421 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1422 {
1423         struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1424         int len;
1425
1426         if (perf_sample__bad_synth_size(sample, *data))
1427                 return 0;
1428
1429         len = fprintf(fp, " hints: %#x extensions: %#x ",
1430                       data->hints, data->extensions);
1431         return len + perf_sample__fprintf_pt_spacing(len, fp);
1432 }
1433
1434 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1435 {
1436         struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1437         int len;
1438
1439         if (perf_sample__bad_synth_size(sample, *data))
1440                 return 0;
1441
1442         len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1443                       data->hw, data->cstate, data->subcstate);
1444         return len + perf_sample__fprintf_pt_spacing(len, fp);
1445 }
1446
1447 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1448 {
1449         struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1450         int len;
1451
1452         if (perf_sample__bad_synth_size(sample, *data))
1453                 return 0;
1454
1455         len = fprintf(fp, " IP: %u ", data->ip);
1456         return len + perf_sample__fprintf_pt_spacing(len, fp);
1457 }
1458
1459 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1460 {
1461         struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1462         int len;
1463
1464         if (perf_sample__bad_synth_size(sample, *data))
1465                 return 0;
1466
1467         len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1468                      data->deepest_cstate, data->last_cstate,
1469                      data->wake_reason);
1470         return len + perf_sample__fprintf_pt_spacing(len, fp);
1471 }
1472
1473 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1474 {
1475         struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1476         unsigned int percent, freq;
1477         int len;
1478
1479         if (perf_sample__bad_synth_size(sample, *data))
1480                 return 0;
1481
1482         freq = (le32_to_cpu(data->freq) + 500) / 1000;
1483         len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1484         if (data->max_nonturbo) {
1485                 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1486                 len += fprintf(fp, "(%3u%%) ", percent);
1487         }
1488         return len + perf_sample__fprintf_pt_spacing(len, fp);
1489 }
1490
1491 static int perf_sample__fprintf_synth(struct perf_sample *sample,
1492                                       struct perf_evsel *evsel, FILE *fp)
1493 {
1494         switch (evsel->attr.config) {
1495         case PERF_SYNTH_INTEL_PTWRITE:
1496                 return perf_sample__fprintf_synth_ptwrite(sample, fp);
1497         case PERF_SYNTH_INTEL_MWAIT:
1498                 return perf_sample__fprintf_synth_mwait(sample, fp);
1499         case PERF_SYNTH_INTEL_PWRE:
1500                 return perf_sample__fprintf_synth_pwre(sample, fp);
1501         case PERF_SYNTH_INTEL_EXSTOP:
1502                 return perf_sample__fprintf_synth_exstop(sample, fp);
1503         case PERF_SYNTH_INTEL_PWRX:
1504                 return perf_sample__fprintf_synth_pwrx(sample, fp);
1505         case PERF_SYNTH_INTEL_CBR:
1506                 return perf_sample__fprintf_synth_cbr(sample, fp);
1507         default:
1508                 break;
1509         }
1510
1511         return 0;
1512 }
1513
1514 struct perf_script {
1515         struct perf_tool        tool;
1516         struct perf_session     *session;
1517         bool                    show_task_events;
1518         bool                    show_mmap_events;
1519         bool                    show_switch_events;
1520         bool                    show_namespace_events;
1521         bool                    show_lost_events;
1522         bool                    show_round_events;
1523         bool                    allocated;
1524         bool                    per_event_dump;
1525         struct cpu_map          *cpus;
1526         struct thread_map       *threads;
1527         int                     name_width;
1528         const char              *time_str;
1529         struct perf_time_interval *ptime_range;
1530         int                     range_size;
1531         int                     range_num;
1532 };
1533
1534 static int perf_evlist__max_name_len(struct perf_evlist *evlist)
1535 {
1536         struct perf_evsel *evsel;
1537         int max = 0;
1538
1539         evlist__for_each_entry(evlist, evsel) {
1540                 int len = strlen(perf_evsel__name(evsel));
1541
1542                 max = MAX(len, max);
1543         }
1544
1545         return max;
1546 }
1547
1548 static int data_src__fprintf(u64 data_src, FILE *fp)
1549 {
1550         struct mem_info mi = { .data_src.val = data_src };
1551         char decode[100];
1552         char out[100];
1553         static int maxlen;
1554         int len;
1555
1556         perf_script__meminfo_scnprintf(decode, 100, &mi);
1557
1558         len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
1559         if (maxlen < len)
1560                 maxlen = len;
1561
1562         return fprintf(fp, "%-*s", maxlen, out);
1563 }
1564
1565 struct metric_ctx {
1566         struct perf_sample      *sample;
1567         struct thread           *thread;
1568         struct perf_evsel       *evsel;
1569         FILE                    *fp;
1570 };
1571
1572 static void script_print_metric(struct perf_stat_config *config __maybe_unused,
1573                                 void *ctx, const char *color,
1574                                 const char *fmt,
1575                                 const char *unit, double val)
1576 {
1577         struct metric_ctx *mctx = ctx;
1578
1579         if (!fmt)
1580                 return;
1581         perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
1582                                    PERF_RECORD_SAMPLE, mctx->fp);
1583         fputs("\tmetric: ", mctx->fp);
1584         if (color)
1585                 color_fprintf(mctx->fp, color, fmt, val);
1586         else
1587                 printf(fmt, val);
1588         fprintf(mctx->fp, " %s\n", unit);
1589 }
1590
1591 static void script_new_line(struct perf_stat_config *config __maybe_unused,
1592                             void *ctx)
1593 {
1594         struct metric_ctx *mctx = ctx;
1595
1596         perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
1597                                    PERF_RECORD_SAMPLE, mctx->fp);
1598         fputs("\tmetric: ", mctx->fp);
1599 }
1600
1601 static void perf_sample__fprint_metric(struct perf_script *script,
1602                                        struct thread *thread,
1603                                        struct perf_evsel *evsel,
1604                                        struct perf_sample *sample,
1605                                        FILE *fp)
1606 {
1607         struct perf_stat_output_ctx ctx = {
1608                 .print_metric = script_print_metric,
1609                 .new_line = script_new_line,
1610                 .ctx = &(struct metric_ctx) {
1611                                 .sample = sample,
1612                                 .thread = thread,
1613                                 .evsel  = evsel,
1614                                 .fp     = fp,
1615                          },
1616                 .force_header = false,
1617         };
1618         struct perf_evsel *ev2;
1619         static bool init;
1620         u64 val;
1621
1622         if (!init) {
1623                 perf_stat__init_shadow_stats();
1624                 init = true;
1625         }
1626         if (!evsel->stats)
1627                 perf_evlist__alloc_stats(script->session->evlist, false);
1628         if (evsel_script(evsel->leader)->gnum++ == 0)
1629                 perf_stat__reset_shadow_stats();
1630         val = sample->period * evsel->scale;
1631         perf_stat__update_shadow_stats(evsel,
1632                                        val,
1633                                        sample->cpu,
1634                                        &rt_stat);
1635         evsel_script(evsel)->val = val;
1636         if (evsel_script(evsel->leader)->gnum == evsel->leader->nr_members) {
1637                 for_each_group_member (ev2, evsel->leader) {
1638                         perf_stat__print_shadow_stats(&stat_config, ev2,
1639                                                       evsel_script(ev2)->val,
1640                                                       sample->cpu,
1641                                                       &ctx,
1642                                                       NULL,
1643                                                       &rt_stat);
1644                 }
1645                 evsel_script(evsel->leader)->gnum = 0;
1646         }
1647 }
1648
1649 static void process_event(struct perf_script *script,
1650                           struct perf_sample *sample, struct perf_evsel *evsel,
1651                           struct addr_location *al,
1652                           struct machine *machine)
1653 {
1654         struct thread *thread = al->thread;
1655         struct perf_event_attr *attr = &evsel->attr;
1656         unsigned int type = output_type(attr->type);
1657         struct perf_evsel_script *es = evsel->priv;
1658         FILE *fp = es->fp;
1659
1660         if (output[type].fields == 0)
1661                 return;
1662
1663         ++es->samples;
1664
1665         perf_sample__fprintf_start(sample, thread, evsel,
1666                                    PERF_RECORD_SAMPLE, fp);
1667
1668         if (PRINT_FIELD(PERIOD))
1669                 fprintf(fp, "%10" PRIu64 " ", sample->period);
1670
1671         if (PRINT_FIELD(EVNAME)) {
1672                 const char *evname = perf_evsel__name(evsel);
1673
1674                 if (!script->name_width)
1675                         script->name_width = perf_evlist__max_name_len(script->session->evlist);
1676
1677                 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
1678         }
1679
1680         if (print_flags)
1681                 perf_sample__fprintf_flags(sample->flags, fp);
1682
1683         if (is_bts_event(attr)) {
1684                 perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp);
1685                 return;
1686         }
1687
1688         if (PRINT_FIELD(TRACE)) {
1689                 event_format__fprintf(evsel->tp_format, sample->cpu,
1690                                       sample->raw_data, sample->raw_size, fp);
1691         }
1692
1693         if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
1694                 perf_sample__fprintf_synth(sample, evsel, fp);
1695
1696         if (PRINT_FIELD(ADDR))
1697                 perf_sample__fprintf_addr(sample, thread, attr, fp);
1698
1699         if (PRINT_FIELD(DATA_SRC))
1700                 data_src__fprintf(sample->data_src, fp);
1701
1702         if (PRINT_FIELD(WEIGHT))
1703                 fprintf(fp, "%16" PRIu64, sample->weight);
1704
1705         if (PRINT_FIELD(IP)) {
1706                 struct callchain_cursor *cursor = NULL;
1707
1708                 if (symbol_conf.use_callchain && sample->callchain &&
1709                     thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1710                                               sample, NULL, NULL, scripting_max_stack) == 0)
1711                         cursor = &callchain_cursor;
1712
1713                 fputc(cursor ? '\n' : ' ', fp);
1714                 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, fp);
1715         }
1716
1717         if (PRINT_FIELD(IREGS))
1718                 perf_sample__fprintf_iregs(sample, attr, fp);
1719
1720         if (PRINT_FIELD(UREGS))
1721                 perf_sample__fprintf_uregs(sample, attr, fp);
1722
1723         if (PRINT_FIELD(BRSTACK))
1724                 perf_sample__fprintf_brstack(sample, thread, attr, fp);
1725         else if (PRINT_FIELD(BRSTACKSYM))
1726                 perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
1727         else if (PRINT_FIELD(BRSTACKOFF))
1728                 perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
1729
1730         if (perf_evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
1731                 perf_sample__fprintf_bpf_output(sample, fp);
1732         perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1733
1734         if (PRINT_FIELD(PHYS_ADDR))
1735                 fprintf(fp, "%16" PRIx64, sample->phys_addr);
1736         fprintf(fp, "\n");
1737
1738         if (PRINT_FIELD(METRIC))
1739                 perf_sample__fprint_metric(script, thread, evsel, sample, fp);
1740 }
1741
1742 static struct scripting_ops     *scripting_ops;
1743
1744 static void __process_stat(struct perf_evsel *counter, u64 tstamp)
1745 {
1746         int nthreads = thread_map__nr(counter->threads);
1747         int ncpus = perf_evsel__nr_cpus(counter);
1748         int cpu, thread;
1749         static int header_printed;
1750
1751         if (counter->system_wide)
1752                 nthreads = 1;
1753
1754         if (!header_printed) {
1755                 printf("%3s %8s %15s %15s %15s %15s %s\n",
1756                        "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
1757                 header_printed = 1;
1758         }
1759
1760         for (thread = 0; thread < nthreads; thread++) {
1761                 for (cpu = 0; cpu < ncpus; cpu++) {
1762                         struct perf_counts_values *counts;
1763
1764                         counts = perf_counts(counter->counts, cpu, thread);
1765
1766                         printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
1767                                 counter->cpus->map[cpu],
1768                                 thread_map__pid(counter->threads, thread),
1769                                 counts->val,
1770                                 counts->ena,
1771                                 counts->run,
1772                                 tstamp,
1773                                 perf_evsel__name(counter));
1774                 }
1775         }
1776 }
1777
1778 static void process_stat(struct perf_evsel *counter, u64 tstamp)
1779 {
1780         if (scripting_ops && scripting_ops->process_stat)
1781                 scripting_ops->process_stat(&stat_config, counter, tstamp);
1782         else
1783                 __process_stat(counter, tstamp);
1784 }
1785
1786 static void process_stat_interval(u64 tstamp)
1787 {
1788         if (scripting_ops && scripting_ops->process_stat_interval)
1789                 scripting_ops->process_stat_interval(tstamp);
1790 }
1791
1792 static void setup_scripting(void)
1793 {
1794         setup_perl_scripting();
1795         setup_python_scripting();
1796 }
1797
1798 static int flush_scripting(void)
1799 {
1800         return scripting_ops ? scripting_ops->flush_script() : 0;
1801 }
1802
1803 static int cleanup_scripting(void)
1804 {
1805         pr_debug("\nperf script stopped\n");
1806
1807         return scripting_ops ? scripting_ops->stop_script() : 0;
1808 }
1809
1810 static int process_sample_event(struct perf_tool *tool,
1811                                 union perf_event *event,
1812                                 struct perf_sample *sample,
1813                                 struct perf_evsel *evsel,
1814                                 struct machine *machine)
1815 {
1816         struct perf_script *scr = container_of(tool, struct perf_script, tool);
1817         struct addr_location al;
1818
1819         if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
1820                                           sample->time)) {
1821                 return 0;
1822         }
1823
1824         if (debug_mode) {
1825                 if (sample->time < last_timestamp) {
1826                         pr_err("Samples misordered, previous: %" PRIu64
1827                                 " this: %" PRIu64 "\n", last_timestamp,
1828                                 sample->time);
1829                         nr_unordered++;
1830                 }
1831                 last_timestamp = sample->time;
1832                 return 0;
1833         }
1834
1835         if (machine__resolve(machine, &al, sample) < 0) {
1836                 pr_err("problem processing %d event, skipping it.\n",
1837                        event->header.type);
1838                 return -1;
1839         }
1840
1841         if (al.filtered)
1842                 goto out_put;
1843
1844         if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
1845                 goto out_put;
1846
1847         if (scripting_ops)
1848                 scripting_ops->process_event(event, sample, evsel, &al);
1849         else
1850                 process_event(scr, sample, evsel, &al, machine);
1851
1852 out_put:
1853         addr_location__put(&al);
1854         return 0;
1855 }
1856
1857 static int process_attr(struct perf_tool *tool, union perf_event *event,
1858                         struct perf_evlist **pevlist)
1859 {
1860         struct perf_script *scr = container_of(tool, struct perf_script, tool);
1861         struct perf_evlist *evlist;
1862         struct perf_evsel *evsel, *pos;
1863         int err;
1864         static struct perf_evsel_script *es;
1865
1866         err = perf_event__process_attr(tool, event, pevlist);
1867         if (err)
1868                 return err;
1869
1870         evlist = *pevlist;
1871         evsel = perf_evlist__last(*pevlist);
1872
1873         if (!evsel->priv) {
1874                 if (scr->per_event_dump) {
1875                         evsel->priv = perf_evsel_script__new(evsel,
1876                                                 scr->session->data);
1877                 } else {
1878                         es = zalloc(sizeof(*es));
1879                         if (!es)
1880                                 return -ENOMEM;
1881                         es->fp = stdout;
1882                         evsel->priv = es;
1883                 }
1884         }
1885
1886         if (evsel->attr.type >= PERF_TYPE_MAX &&
1887             evsel->attr.type != PERF_TYPE_SYNTH)
1888                 return 0;
1889
1890         evlist__for_each_entry(evlist, pos) {
1891                 if (pos->attr.type == evsel->attr.type && pos != evsel)
1892                         return 0;
1893         }
1894
1895         set_print_ip_opts(&evsel->attr);
1896
1897         if (evsel->attr.sample_type)
1898                 err = perf_evsel__check_attr(evsel, scr->session);
1899
1900         return err;
1901 }
1902
1903 static int process_comm_event(struct perf_tool *tool,
1904                               union perf_event *event,
1905                               struct perf_sample *sample,
1906                               struct machine *machine)
1907 {
1908         struct thread *thread;
1909         struct perf_script *script = container_of(tool, struct perf_script, tool);
1910         struct perf_session *session = script->session;
1911         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1912         int ret = -1;
1913
1914         thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid);
1915         if (thread == NULL) {
1916                 pr_debug("problem processing COMM event, skipping it.\n");
1917                 return -1;
1918         }
1919
1920         if (perf_event__process_comm(tool, event, sample, machine) < 0)
1921                 goto out;
1922
1923         if (!evsel->attr.sample_id_all) {
1924                 sample->cpu = 0;
1925                 sample->time = 0;
1926                 sample->tid = event->comm.tid;
1927                 sample->pid = event->comm.pid;
1928         }
1929         perf_sample__fprintf_start(sample, thread, evsel,
1930                                    PERF_RECORD_COMM, stdout);
1931         perf_event__fprintf(event, stdout);
1932         ret = 0;
1933 out:
1934         thread__put(thread);
1935         return ret;
1936 }
1937
1938 static int process_namespaces_event(struct perf_tool *tool,
1939                                     union perf_event *event,
1940                                     struct perf_sample *sample,
1941                                     struct machine *machine)
1942 {
1943         struct thread *thread;
1944         struct perf_script *script = container_of(tool, struct perf_script, tool);
1945         struct perf_session *session = script->session;
1946         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1947         int ret = -1;
1948
1949         thread = machine__findnew_thread(machine, event->namespaces.pid,
1950                                          event->namespaces.tid);
1951         if (thread == NULL) {
1952                 pr_debug("problem processing NAMESPACES event, skipping it.\n");
1953                 return -1;
1954         }
1955
1956         if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
1957                 goto out;
1958
1959         if (!evsel->attr.sample_id_all) {
1960                 sample->cpu = 0;
1961                 sample->time = 0;
1962                 sample->tid = event->namespaces.tid;
1963                 sample->pid = event->namespaces.pid;
1964         }
1965         perf_sample__fprintf_start(sample, thread, evsel,
1966                                    PERF_RECORD_NAMESPACES, stdout);
1967         perf_event__fprintf(event, stdout);
1968         ret = 0;
1969 out:
1970         thread__put(thread);
1971         return ret;
1972 }
1973
1974 static int process_fork_event(struct perf_tool *tool,
1975                               union perf_event *event,
1976                               struct perf_sample *sample,
1977                               struct machine *machine)
1978 {
1979         struct thread *thread;
1980         struct perf_script *script = container_of(tool, struct perf_script, tool);
1981         struct perf_session *session = script->session;
1982         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1983
1984         if (perf_event__process_fork(tool, event, sample, machine) < 0)
1985                 return -1;
1986
1987         thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
1988         if (thread == NULL) {
1989                 pr_debug("problem processing FORK event, skipping it.\n");
1990                 return -1;
1991         }
1992
1993         if (!evsel->attr.sample_id_all) {
1994                 sample->cpu = 0;
1995                 sample->time = event->fork.time;
1996                 sample->tid = event->fork.tid;
1997                 sample->pid = event->fork.pid;
1998         }
1999         perf_sample__fprintf_start(sample, thread, evsel,
2000                                    PERF_RECORD_FORK, stdout);
2001         perf_event__fprintf(event, stdout);
2002         thread__put(thread);
2003
2004         return 0;
2005 }
2006 static int process_exit_event(struct perf_tool *tool,
2007                               union perf_event *event,
2008                               struct perf_sample *sample,
2009                               struct machine *machine)
2010 {
2011         int err = 0;
2012         struct thread *thread;
2013         struct perf_script *script = container_of(tool, struct perf_script, tool);
2014         struct perf_session *session = script->session;
2015         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2016
2017         thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
2018         if (thread == NULL) {
2019                 pr_debug("problem processing EXIT event, skipping it.\n");
2020                 return -1;
2021         }
2022
2023         if (!evsel->attr.sample_id_all) {
2024                 sample->cpu = 0;
2025                 sample->time = 0;
2026                 sample->tid = event->fork.tid;
2027                 sample->pid = event->fork.pid;
2028         }
2029         perf_sample__fprintf_start(sample, thread, evsel,
2030                                    PERF_RECORD_EXIT, stdout);
2031         perf_event__fprintf(event, stdout);
2032
2033         if (perf_event__process_exit(tool, event, sample, machine) < 0)
2034                 err = -1;
2035
2036         thread__put(thread);
2037         return err;
2038 }
2039
2040 static int process_mmap_event(struct perf_tool *tool,
2041                               union perf_event *event,
2042                               struct perf_sample *sample,
2043                               struct machine *machine)
2044 {
2045         struct thread *thread;
2046         struct perf_script *script = container_of(tool, struct perf_script, tool);
2047         struct perf_session *session = script->session;
2048         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2049
2050         if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2051                 return -1;
2052
2053         thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid);
2054         if (thread == NULL) {
2055                 pr_debug("problem processing MMAP event, skipping it.\n");
2056                 return -1;
2057         }
2058
2059         if (!evsel->attr.sample_id_all) {
2060                 sample->cpu = 0;
2061                 sample->time = 0;
2062                 sample->tid = event->mmap.tid;
2063                 sample->pid = event->mmap.pid;
2064         }
2065         perf_sample__fprintf_start(sample, thread, evsel,
2066                                    PERF_RECORD_MMAP, stdout);
2067         perf_event__fprintf(event, stdout);
2068         thread__put(thread);
2069         return 0;
2070 }
2071
2072 static int process_mmap2_event(struct perf_tool *tool,
2073                               union perf_event *event,
2074                               struct perf_sample *sample,
2075                               struct machine *machine)
2076 {
2077         struct thread *thread;
2078         struct perf_script *script = container_of(tool, struct perf_script, tool);
2079         struct perf_session *session = script->session;
2080         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2081
2082         if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2083                 return -1;
2084
2085         thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid);
2086         if (thread == NULL) {
2087                 pr_debug("problem processing MMAP2 event, skipping it.\n");
2088                 return -1;
2089         }
2090
2091         if (!evsel->attr.sample_id_all) {
2092                 sample->cpu = 0;
2093                 sample->time = 0;
2094                 sample->tid = event->mmap2.tid;
2095                 sample->pid = event->mmap2.pid;
2096         }
2097         perf_sample__fprintf_start(sample, thread, evsel,
2098                                    PERF_RECORD_MMAP2, stdout);
2099         perf_event__fprintf(event, stdout);
2100         thread__put(thread);
2101         return 0;
2102 }
2103
2104 static int process_switch_event(struct perf_tool *tool,
2105                                 union perf_event *event,
2106                                 struct perf_sample *sample,
2107                                 struct machine *machine)
2108 {
2109         struct thread *thread;
2110         struct perf_script *script = container_of(tool, struct perf_script, tool);
2111         struct perf_session *session = script->session;
2112         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2113
2114         if (perf_event__process_switch(tool, event, sample, machine) < 0)
2115                 return -1;
2116
2117         thread = machine__findnew_thread(machine, sample->pid,
2118                                          sample->tid);
2119         if (thread == NULL) {
2120                 pr_debug("problem processing SWITCH event, skipping it.\n");
2121                 return -1;
2122         }
2123
2124         perf_sample__fprintf_start(sample, thread, evsel,
2125                                    PERF_RECORD_SWITCH, stdout);
2126         perf_event__fprintf(event, stdout);
2127         thread__put(thread);
2128         return 0;
2129 }
2130
2131 static int
2132 process_lost_event(struct perf_tool *tool,
2133                    union perf_event *event,
2134                    struct perf_sample *sample,
2135                    struct machine *machine)
2136 {
2137         struct perf_script *script = container_of(tool, struct perf_script, tool);
2138         struct perf_session *session = script->session;
2139         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2140         struct thread *thread;
2141
2142         thread = machine__findnew_thread(machine, sample->pid,
2143                                          sample->tid);
2144         if (thread == NULL)
2145                 return -1;
2146
2147         perf_sample__fprintf_start(sample, thread, evsel,
2148                                    PERF_RECORD_LOST, stdout);
2149         perf_event__fprintf(event, stdout);
2150         thread__put(thread);
2151         return 0;
2152 }
2153
2154 static int
2155 process_finished_round_event(struct perf_tool *tool __maybe_unused,
2156                              union perf_event *event,
2157                              struct ordered_events *oe __maybe_unused)
2158
2159 {
2160         perf_event__fprintf(event, stdout);
2161         return 0;
2162 }
2163
2164 static void sig_handler(int sig __maybe_unused)
2165 {
2166         session_done = 1;
2167 }
2168
2169 static void perf_script__fclose_per_event_dump(struct perf_script *script)
2170 {
2171         struct perf_evlist *evlist = script->session->evlist;
2172         struct perf_evsel *evsel;
2173
2174         evlist__for_each_entry(evlist, evsel) {
2175                 if (!evsel->priv)
2176                         break;
2177                 perf_evsel_script__delete(evsel->priv);
2178                 evsel->priv = NULL;
2179         }
2180 }
2181
2182 static int perf_script__fopen_per_event_dump(struct perf_script *script)
2183 {
2184         struct perf_evsel *evsel;
2185
2186         evlist__for_each_entry(script->session->evlist, evsel) {
2187                 /*
2188                  * Already setup? I.e. we may be called twice in cases like
2189                  * Intel PT, one for the intel_pt// and dummy events, then
2190                  * for the evsels syntheized from the auxtrace info.
2191                  *
2192                  * Ses perf_script__process_auxtrace_info.
2193                  */
2194                 if (evsel->priv != NULL)
2195                         continue;
2196
2197                 evsel->priv = perf_evsel_script__new(evsel, script->session->data);
2198                 if (evsel->priv == NULL)
2199                         goto out_err_fclose;
2200         }
2201
2202         return 0;
2203
2204 out_err_fclose:
2205         perf_script__fclose_per_event_dump(script);
2206         return -1;
2207 }
2208
2209 static int perf_script__setup_per_event_dump(struct perf_script *script)
2210 {
2211         struct perf_evsel *evsel;
2212         static struct perf_evsel_script es_stdout;
2213
2214         if (script->per_event_dump)
2215                 return perf_script__fopen_per_event_dump(script);
2216
2217         es_stdout.fp = stdout;
2218
2219         evlist__for_each_entry(script->session->evlist, evsel)
2220                 evsel->priv = &es_stdout;
2221
2222         return 0;
2223 }
2224
2225 static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2226 {
2227         struct perf_evsel *evsel;
2228
2229         evlist__for_each_entry(script->session->evlist, evsel) {
2230                 struct perf_evsel_script *es = evsel->priv;
2231
2232                 perf_evsel_script__fprintf(es, stdout);
2233                 perf_evsel_script__delete(es);
2234                 evsel->priv = NULL;
2235         }
2236 }
2237
2238 static int __cmd_script(struct perf_script *script)
2239 {
2240         int ret;
2241
2242         signal(SIGINT, sig_handler);
2243
2244         /* override event processing functions */
2245         if (script->show_task_events) {
2246                 script->tool.comm = process_comm_event;
2247                 script->tool.fork = process_fork_event;
2248                 script->tool.exit = process_exit_event;
2249         }
2250         if (script->show_mmap_events) {
2251                 script->tool.mmap = process_mmap_event;
2252                 script->tool.mmap2 = process_mmap2_event;
2253         }
2254         if (script->show_switch_events)
2255                 script->tool.context_switch = process_switch_event;
2256         if (script->show_namespace_events)
2257                 script->tool.namespaces = process_namespaces_event;
2258         if (script->show_lost_events)
2259                 script->tool.lost = process_lost_event;
2260         if (script->show_round_events) {
2261                 script->tool.ordered_events = false;
2262                 script->tool.finished_round = process_finished_round_event;
2263         }
2264
2265         if (perf_script__setup_per_event_dump(script)) {
2266                 pr_err("Couldn't create the per event dump files\n");
2267                 return -1;
2268         }
2269
2270         ret = perf_session__process_events(script->session);
2271
2272         if (script->per_event_dump)
2273                 perf_script__exit_per_event_dump_stats(script);
2274
2275         if (debug_mode)
2276                 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2277
2278         return ret;
2279 }
2280
2281 struct script_spec {
2282         struct list_head        node;
2283         struct scripting_ops    *ops;
2284         char                    spec[0];
2285 };
2286
2287 static LIST_HEAD(script_specs);
2288
2289 static struct script_spec *script_spec__new(const char *spec,
2290                                             struct scripting_ops *ops)
2291 {
2292         struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2293
2294         if (s != NULL) {
2295                 strcpy(s->spec, spec);
2296                 s->ops = ops;
2297         }
2298
2299         return s;
2300 }
2301
2302 static void script_spec__add(struct script_spec *s)
2303 {
2304         list_add_tail(&s->node, &script_specs);
2305 }
2306
2307 static struct script_spec *script_spec__find(const char *spec)
2308 {
2309         struct script_spec *s;
2310
2311         list_for_each_entry(s, &script_specs, node)
2312                 if (strcasecmp(s->spec, spec) == 0)
2313                         return s;
2314         return NULL;
2315 }
2316
2317 int script_spec_register(const char *spec, struct scripting_ops *ops)
2318 {
2319         struct script_spec *s;
2320
2321         s = script_spec__find(spec);
2322         if (s)
2323                 return -1;
2324
2325         s = script_spec__new(spec, ops);
2326         if (!s)
2327                 return -1;
2328         else
2329                 script_spec__add(s);
2330
2331         return 0;
2332 }
2333
2334 static struct scripting_ops *script_spec__lookup(const char *spec)
2335 {
2336         struct script_spec *s = script_spec__find(spec);
2337         if (!s)
2338                 return NULL;
2339
2340         return s->ops;
2341 }
2342
2343 static void list_available_languages(void)
2344 {
2345         struct script_spec *s;
2346
2347         fprintf(stderr, "\n");
2348         fprintf(stderr, "Scripting language extensions (used in "
2349                 "perf script -s [spec:]script.[spec]):\n\n");
2350
2351         list_for_each_entry(s, &script_specs, node)
2352                 fprintf(stderr, "  %-42s [%s]\n", s->spec, s->ops->name);
2353
2354         fprintf(stderr, "\n");
2355 }
2356
2357 static int parse_scriptname(const struct option *opt __maybe_unused,
2358                             const char *str, int unset __maybe_unused)
2359 {
2360         char spec[PATH_MAX];
2361         const char *script, *ext;
2362         int len;
2363
2364         if (strcmp(str, "lang") == 0) {
2365                 list_available_languages();
2366                 exit(0);
2367         }
2368
2369         script = strchr(str, ':');
2370         if (script) {
2371                 len = script - str;
2372                 if (len >= PATH_MAX) {
2373                         fprintf(stderr, "invalid language specifier");
2374                         return -1;
2375                 }
2376                 strncpy(spec, str, len);
2377                 spec[len] = '\0';
2378                 scripting_ops = script_spec__lookup(spec);
2379                 if (!scripting_ops) {
2380                         fprintf(stderr, "invalid language specifier");
2381                         return -1;
2382                 }
2383                 script++;
2384         } else {
2385                 script = str;
2386                 ext = strrchr(script, '.');
2387                 if (!ext) {
2388                         fprintf(stderr, "invalid script extension");
2389                         return -1;
2390                 }
2391                 scripting_ops = script_spec__lookup(++ext);
2392                 if (!scripting_ops) {
2393                         fprintf(stderr, "invalid script extension");
2394                         return -1;
2395                 }
2396         }
2397
2398         script_name = strdup(script);
2399
2400         return 0;
2401 }
2402
2403 static int parse_output_fields(const struct option *opt __maybe_unused,
2404                             const char *arg, int unset __maybe_unused)
2405 {
2406         char *tok, *strtok_saveptr = NULL;
2407         int i, imax = ARRAY_SIZE(all_output_options);
2408         int j;
2409         int rc = 0;
2410         char *str = strdup(arg);
2411         int type = -1;
2412         enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
2413
2414         if (!str)
2415                 return -ENOMEM;
2416
2417         /* first word can state for which event type the user is specifying
2418          * the fields. If no type exists, the specified fields apply to all
2419          * event types found in the file minus the invalid fields for a type.
2420          */
2421         tok = strchr(str, ':');
2422         if (tok) {
2423                 *tok = '\0';
2424                 tok++;
2425                 if (!strcmp(str, "hw"))
2426                         type = PERF_TYPE_HARDWARE;
2427                 else if (!strcmp(str, "sw"))
2428                         type = PERF_TYPE_SOFTWARE;
2429                 else if (!strcmp(str, "trace"))
2430                         type = PERF_TYPE_TRACEPOINT;
2431                 else if (!strcmp(str, "raw"))
2432                         type = PERF_TYPE_RAW;
2433                 else if (!strcmp(str, "break"))
2434                         type = PERF_TYPE_BREAKPOINT;
2435                 else if (!strcmp(str, "synth"))
2436                         type = OUTPUT_TYPE_SYNTH;
2437                 else {
2438                         fprintf(stderr, "Invalid event type in field string.\n");
2439                         rc = -EINVAL;
2440                         goto out;
2441                 }
2442
2443                 if (output[type].user_set)
2444                         pr_warning("Overriding previous field request for %s events.\n",
2445                                    event_type(type));
2446
2447                 output[type].fields = 0;
2448                 output[type].user_set = true;
2449                 output[type].wildcard_set = false;
2450
2451         } else {
2452                 tok = str;
2453                 if (strlen(str) == 0) {
2454                         fprintf(stderr,
2455                                 "Cannot set fields to 'none' for all event types.\n");
2456                         rc = -EINVAL;
2457                         goto out;
2458                 }
2459
2460                 /* Don't override defaults for +- */
2461                 if (strchr(str, '+') || strchr(str, '-'))
2462                         goto parse;
2463
2464                 if (output_set_by_user())
2465                         pr_warning("Overriding previous field request for all events.\n");
2466
2467                 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2468                         output[j].fields = 0;
2469                         output[j].user_set = true;
2470                         output[j].wildcard_set = true;
2471                 }
2472         }
2473
2474 parse:
2475         for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
2476                 if (*tok == '+') {
2477                         if (change == SET)
2478                                 goto out_badmix;
2479                         change = ADD;
2480                         tok++;
2481                 } else if (*tok == '-') {
2482                         if (change == SET)
2483                                 goto out_badmix;
2484                         change = REMOVE;
2485                         tok++;
2486                 } else {
2487                         if (change != SET && change != DEFAULT)
2488                                 goto out_badmix;
2489                         change = SET;
2490                 }
2491
2492                 for (i = 0; i < imax; ++i) {
2493                         if (strcmp(tok, all_output_options[i].str) == 0)
2494                                 break;
2495                 }
2496                 if (i == imax && strcmp(tok, "flags") == 0) {
2497                         print_flags = change == REMOVE ? false : true;
2498                         continue;
2499                 }
2500                 if (i == imax) {
2501                         fprintf(stderr, "Invalid field requested.\n");
2502                         rc = -EINVAL;
2503                         goto out;
2504                 }
2505
2506                 if (type == -1) {
2507                         /* add user option to all events types for
2508                          * which it is valid
2509                          */
2510                         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2511                                 if (output[j].invalid_fields & all_output_options[i].field) {
2512                                         pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
2513                                                    all_output_options[i].str, event_type(j));
2514                                 } else {
2515                                         if (change == REMOVE)
2516                                                 output[j].fields &= ~all_output_options[i].field;
2517                                         else
2518                                                 output[j].fields |= all_output_options[i].field;
2519                                         output[j].user_set = true;
2520                                         output[j].wildcard_set = true;
2521                                 }
2522                         }
2523                 } else {
2524                         if (output[type].invalid_fields & all_output_options[i].field) {
2525                                 fprintf(stderr, "\'%s\' not valid for %s events.\n",
2526                                          all_output_options[i].str, event_type(type));
2527
2528                                 rc = -EINVAL;
2529                                 goto out;
2530                         }
2531                         output[type].user_set = true;
2532                         output[type].wildcard_set = true;
2533                 }
2534         }
2535
2536         if (type >= 0) {
2537                 if (output[type].fields == 0) {
2538                         pr_debug("No fields requested for %s type. "
2539                                  "Events will not be displayed.\n", event_type(type));
2540                 }
2541         }
2542         goto out;
2543
2544 out_badmix:
2545         fprintf(stderr, "Cannot mix +-field with overridden fields\n");
2546         rc = -EINVAL;
2547 out:
2548         free(str);
2549         return rc;
2550 }
2551
2552 #define for_each_lang(scripts_path, scripts_dir, lang_dirent)           \
2553         while ((lang_dirent = readdir(scripts_dir)) != NULL)            \
2554                 if ((lang_dirent->d_type == DT_DIR ||                   \
2555                      (lang_dirent->d_type == DT_UNKNOWN &&              \
2556                       is_directory(scripts_path, lang_dirent))) &&      \
2557                     (strcmp(lang_dirent->d_name, ".")) &&               \
2558                     (strcmp(lang_dirent->d_name, "..")))
2559
2560 #define for_each_script(lang_path, lang_dir, script_dirent)             \
2561         while ((script_dirent = readdir(lang_dir)) != NULL)             \
2562                 if (script_dirent->d_type != DT_DIR &&                  \
2563                     (script_dirent->d_type != DT_UNKNOWN ||             \
2564                      !is_directory(lang_path, script_dirent)))
2565
2566
2567 #define RECORD_SUFFIX                   "-record"
2568 #define REPORT_SUFFIX                   "-report"
2569
2570 struct script_desc {
2571         struct list_head        node;
2572         char                    *name;
2573         char                    *half_liner;
2574         char                    *args;
2575 };
2576
2577 static LIST_HEAD(script_descs);
2578
2579 static struct script_desc *script_desc__new(const char *name)
2580 {
2581         struct script_desc *s = zalloc(sizeof(*s));
2582
2583         if (s != NULL && name)
2584                 s->name = strdup(name);
2585
2586         return s;
2587 }
2588
2589 static void script_desc__delete(struct script_desc *s)
2590 {
2591         zfree(&s->name);
2592         zfree(&s->half_liner);
2593         zfree(&s->args);
2594         free(s);
2595 }
2596
2597 static void script_desc__add(struct script_desc *s)
2598 {
2599         list_add_tail(&s->node, &script_descs);
2600 }
2601
2602 static struct script_desc *script_desc__find(const char *name)
2603 {
2604         struct script_desc *s;
2605
2606         list_for_each_entry(s, &script_descs, node)
2607                 if (strcasecmp(s->name, name) == 0)
2608                         return s;
2609         return NULL;
2610 }
2611
2612 static struct script_desc *script_desc__findnew(const char *name)
2613 {
2614         struct script_desc *s = script_desc__find(name);
2615
2616         if (s)
2617                 return s;
2618
2619         s = script_desc__new(name);
2620         if (!s)
2621                 return NULL;
2622
2623         script_desc__add(s);
2624
2625         return s;
2626 }
2627
2628 static const char *ends_with(const char *str, const char *suffix)
2629 {
2630         size_t suffix_len = strlen(suffix);
2631         const char *p = str;
2632
2633         if (strlen(str) > suffix_len) {
2634                 p = str + strlen(str) - suffix_len;
2635                 if (!strncmp(p, suffix, suffix_len))
2636                         return p;
2637         }
2638
2639         return NULL;
2640 }
2641
2642 static int read_script_info(struct script_desc *desc, const char *filename)
2643 {
2644         char line[BUFSIZ], *p;
2645         FILE *fp;
2646
2647         fp = fopen(filename, "r");
2648         if (!fp)
2649                 return -1;
2650
2651         while (fgets(line, sizeof(line), fp)) {
2652                 p = ltrim(line);
2653                 if (strlen(p) == 0)
2654                         continue;
2655                 if (*p != '#')
2656                         continue;
2657                 p++;
2658                 if (strlen(p) && *p == '!')
2659                         continue;
2660
2661                 p = ltrim(p);
2662                 if (strlen(p) && p[strlen(p) - 1] == '\n')
2663                         p[strlen(p) - 1] = '\0';
2664
2665                 if (!strncmp(p, "description:", strlen("description:"))) {
2666                         p += strlen("description:");
2667                         desc->half_liner = strdup(ltrim(p));
2668                         continue;
2669                 }
2670
2671                 if (!strncmp(p, "args:", strlen("args:"))) {
2672                         p += strlen("args:");
2673                         desc->args = strdup(ltrim(p));
2674                         continue;
2675                 }
2676         }
2677
2678         fclose(fp);
2679
2680         return 0;
2681 }
2682
2683 static char *get_script_root(struct dirent *script_dirent, const char *suffix)
2684 {
2685         char *script_root, *str;
2686
2687         script_root = strdup(script_dirent->d_name);
2688         if (!script_root)
2689                 return NULL;
2690
2691         str = (char *)ends_with(script_root, suffix);
2692         if (!str) {
2693                 free(script_root);
2694                 return NULL;
2695         }
2696
2697         *str = '\0';
2698         return script_root;
2699 }
2700
2701 static int list_available_scripts(const struct option *opt __maybe_unused,
2702                                   const char *s __maybe_unused,
2703                                   int unset __maybe_unused)
2704 {
2705         struct dirent *script_dirent, *lang_dirent;
2706         char scripts_path[MAXPATHLEN];
2707         DIR *scripts_dir, *lang_dir;
2708         char script_path[MAXPATHLEN];
2709         char lang_path[MAXPATHLEN];
2710         struct script_desc *desc;
2711         char first_half[BUFSIZ];
2712         char *script_root;
2713
2714         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2715
2716         scripts_dir = opendir(scripts_path);
2717         if (!scripts_dir) {
2718                 fprintf(stdout,
2719                         "open(%s) failed.\n"
2720                         "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
2721                         scripts_path);
2722                 exit(-1);
2723         }
2724
2725         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2726                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
2727                           lang_dirent->d_name);
2728                 lang_dir = opendir(lang_path);
2729                 if (!lang_dir)
2730                         continue;
2731
2732                 for_each_script(lang_path, lang_dir, script_dirent) {
2733                         script_root = get_script_root(script_dirent, REPORT_SUFFIX);
2734                         if (script_root) {
2735                                 desc = script_desc__findnew(script_root);
2736                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
2737                                           lang_path, script_dirent->d_name);
2738                                 read_script_info(desc, script_path);
2739                                 free(script_root);
2740                         }
2741                 }
2742         }
2743
2744         fprintf(stdout, "List of available trace scripts:\n");
2745         list_for_each_entry(desc, &script_descs, node) {
2746                 sprintf(first_half, "%s %s", desc->name,
2747                         desc->args ? desc->args : "");
2748                 fprintf(stdout, "  %-36s %s\n", first_half,
2749                         desc->half_liner ? desc->half_liner : "");
2750         }
2751
2752         exit(0);
2753 }
2754
2755 /*
2756  * Some scripts specify the required events in their "xxx-record" file,
2757  * this function will check if the events in perf.data match those
2758  * mentioned in the "xxx-record".
2759  *
2760  * Fixme: All existing "xxx-record" are all in good formats "-e event ",
2761  * which is covered well now. And new parsing code should be added to
2762  * cover the future complexing formats like event groups etc.
2763  */
2764 static int check_ev_match(char *dir_name, char *scriptname,
2765                         struct perf_session *session)
2766 {
2767         char filename[MAXPATHLEN], evname[128];
2768         char line[BUFSIZ], *p;
2769         struct perf_evsel *pos;
2770         int match, len;
2771         FILE *fp;
2772
2773         scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
2774
2775         fp = fopen(filename, "r");
2776         if (!fp)
2777                 return -1;
2778
2779         while (fgets(line, sizeof(line), fp)) {
2780                 p = ltrim(line);
2781                 if (*p == '#')
2782                         continue;
2783
2784                 while (strlen(p)) {
2785                         p = strstr(p, "-e");
2786                         if (!p)
2787                                 break;
2788
2789                         p += 2;
2790                         p = ltrim(p);
2791                         len = strcspn(p, " \t");
2792                         if (!len)
2793                                 break;
2794
2795                         snprintf(evname, len + 1, "%s", p);
2796
2797                         match = 0;
2798                         evlist__for_each_entry(session->evlist, pos) {
2799                                 if (!strcmp(perf_evsel__name(pos), evname)) {
2800                                         match = 1;
2801                                         break;
2802                                 }
2803                         }
2804
2805                         if (!match) {
2806                                 fclose(fp);
2807                                 return -1;
2808                         }
2809                 }
2810         }
2811
2812         fclose(fp);
2813         return 0;
2814 }
2815
2816 /*
2817  * Return -1 if none is found, otherwise the actual scripts number.
2818  *
2819  * Currently the only user of this function is the script browser, which
2820  * will list all statically runnable scripts, select one, execute it and
2821  * show the output in a perf browser.
2822  */
2823 int find_scripts(char **scripts_array, char **scripts_path_array)
2824 {
2825         struct dirent *script_dirent, *lang_dirent;
2826         char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
2827         DIR *scripts_dir, *lang_dir;
2828         struct perf_session *session;
2829         struct perf_data data = {
2830                 .file      = {
2831                         .path = input_name,
2832                 },
2833                 .mode      = PERF_DATA_MODE_READ,
2834         };
2835         char *temp;
2836         int i = 0;
2837
2838         session = perf_session__new(&data, false, NULL);
2839         if (!session)
2840                 return -1;
2841
2842         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2843
2844         scripts_dir = opendir(scripts_path);
2845         if (!scripts_dir) {
2846                 perf_session__delete(session);
2847                 return -1;
2848         }
2849
2850         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2851                 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
2852                           lang_dirent->d_name);
2853 #ifndef HAVE_LIBPERL_SUPPORT
2854                 if (strstr(lang_path, "perl"))
2855                         continue;
2856 #endif
2857 #ifndef HAVE_LIBPYTHON_SUPPORT
2858                 if (strstr(lang_path, "python"))
2859                         continue;
2860 #endif
2861
2862                 lang_dir = opendir(lang_path);
2863                 if (!lang_dir)
2864                         continue;
2865
2866                 for_each_script(lang_path, lang_dir, script_dirent) {
2867                         /* Skip those real time scripts: xxxtop.p[yl] */
2868                         if (strstr(script_dirent->d_name, "top."))
2869                                 continue;
2870                         sprintf(scripts_path_array[i], "%s/%s", lang_path,
2871                                 script_dirent->d_name);
2872                         temp = strchr(script_dirent->d_name, '.');
2873                         snprintf(scripts_array[i],
2874                                 (temp - script_dirent->d_name) + 1,
2875                                 "%s", script_dirent->d_name);
2876
2877                         if (check_ev_match(lang_path,
2878                                         scripts_array[i], session))
2879                                 continue;
2880
2881                         i++;
2882                 }
2883                 closedir(lang_dir);
2884         }
2885
2886         closedir(scripts_dir);
2887         perf_session__delete(session);
2888         return i;
2889 }
2890
2891 static char *get_script_path(const char *script_root, const char *suffix)
2892 {
2893         struct dirent *script_dirent, *lang_dirent;
2894         char scripts_path[MAXPATHLEN];
2895         char script_path[MAXPATHLEN];
2896         DIR *scripts_dir, *lang_dir;
2897         char lang_path[MAXPATHLEN];
2898         char *__script_root;
2899
2900         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2901
2902         scripts_dir = opendir(scripts_path);
2903         if (!scripts_dir)
2904                 return NULL;
2905
2906         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2907                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
2908                           lang_dirent->d_name);
2909                 lang_dir = opendir(lang_path);
2910                 if (!lang_dir)
2911                         continue;
2912
2913                 for_each_script(lang_path, lang_dir, script_dirent) {
2914                         __script_root = get_script_root(script_dirent, suffix);
2915                         if (__script_root && !strcmp(script_root, __script_root)) {
2916                                 free(__script_root);
2917                                 closedir(lang_dir);
2918                                 closedir(scripts_dir);
2919                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
2920                                           lang_path, script_dirent->d_name);
2921                                 return strdup(script_path);
2922                         }
2923                         free(__script_root);
2924                 }
2925                 closedir(lang_dir);
2926         }
2927         closedir(scripts_dir);
2928
2929         return NULL;
2930 }
2931
2932 static bool is_top_script(const char *script_path)
2933 {
2934         return ends_with(script_path, "top") == NULL ? false : true;
2935 }
2936
2937 static int has_required_arg(char *script_path)
2938 {
2939         struct script_desc *desc;
2940         int n_args = 0;
2941         char *p;
2942
2943         desc = script_desc__new(NULL);
2944
2945         if (read_script_info(desc, script_path))
2946                 goto out;
2947
2948         if (!desc->args)
2949                 goto out;
2950
2951         for (p = desc->args; *p; p++)
2952                 if (*p == '<')
2953                         n_args++;
2954 out:
2955         script_desc__delete(desc);
2956
2957         return n_args;
2958 }
2959
2960 static int have_cmd(int argc, const char **argv)
2961 {
2962         char **__argv = malloc(sizeof(const char *) * argc);
2963
2964         if (!__argv) {
2965                 pr_err("malloc failed\n");
2966                 return -1;
2967         }
2968
2969         memcpy(__argv, argv, sizeof(const char *) * argc);
2970         argc = parse_options(argc, (const char **)__argv, record_options,
2971                              NULL, PARSE_OPT_STOP_AT_NON_OPTION);
2972         free(__argv);
2973
2974         system_wide = (argc == 0);
2975
2976         return 0;
2977 }
2978
2979 static void script__setup_sample_type(struct perf_script *script)
2980 {
2981         struct perf_session *session = script->session;
2982         u64 sample_type = perf_evlist__combined_sample_type(session->evlist);
2983
2984         if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
2985                 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
2986                     (sample_type & PERF_SAMPLE_STACK_USER)) {
2987                         callchain_param.record_mode = CALLCHAIN_DWARF;
2988                         dwarf_callchain_users = true;
2989                 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
2990                         callchain_param.record_mode = CALLCHAIN_LBR;
2991                 else
2992                         callchain_param.record_mode = CALLCHAIN_FP;
2993         }
2994 }
2995
2996 static int process_stat_round_event(struct perf_session *session,
2997                                     union perf_event *event)
2998 {
2999         struct stat_round_event *round = &event->stat_round;
3000         struct perf_evsel *counter;
3001
3002         evlist__for_each_entry(session->evlist, counter) {
3003                 perf_stat_process_counter(&stat_config, counter);
3004                 process_stat(counter, round->time);
3005         }
3006
3007         process_stat_interval(round->time);
3008         return 0;
3009 }
3010
3011 static int process_stat_config_event(struct perf_session *session __maybe_unused,
3012                                      union perf_event *event)
3013 {
3014         perf_event__read_stat_config(&stat_config, &event->stat_config);
3015         return 0;
3016 }
3017
3018 static int set_maps(struct perf_script *script)
3019 {
3020         struct perf_evlist *evlist = script->session->evlist;
3021
3022         if (!script->cpus || !script->threads)
3023                 return 0;
3024
3025         if (WARN_ONCE(script->allocated, "stats double allocation\n"))
3026                 return -EINVAL;
3027
3028         perf_evlist__set_maps(evlist, script->cpus, script->threads);
3029
3030         if (perf_evlist__alloc_stats(evlist, true))
3031                 return -ENOMEM;
3032
3033         script->allocated = true;
3034         return 0;
3035 }
3036
3037 static
3038 int process_thread_map_event(struct perf_session *session,
3039                              union perf_event *event)
3040 {
3041         struct perf_tool *tool = session->tool;
3042         struct perf_script *script = container_of(tool, struct perf_script, tool);
3043
3044         if (script->threads) {
3045                 pr_warning("Extra thread map event, ignoring.\n");
3046                 return 0;
3047         }
3048
3049         script->threads = thread_map__new_event(&event->thread_map);
3050         if (!script->threads)
3051                 return -ENOMEM;
3052
3053         return set_maps(script);
3054 }
3055
3056 static
3057 int process_cpu_map_event(struct perf_session *session,
3058                           union perf_event *event)
3059 {
3060         struct perf_tool *tool = session->tool;
3061         struct perf_script *script = container_of(tool, struct perf_script, tool);
3062
3063         if (script->cpus) {
3064                 pr_warning("Extra cpu map event, ignoring.\n");
3065                 return 0;
3066         }
3067
3068         script->cpus = cpu_map__new_data(&event->cpu_map.data);
3069         if (!script->cpus)
3070                 return -ENOMEM;
3071
3072         return set_maps(script);
3073 }
3074
3075 static int process_feature_event(struct perf_session *session,
3076                                  union perf_event *event)
3077 {
3078         if (event->feat.feat_id < HEADER_LAST_FEATURE)
3079                 return perf_event__process_feature(session, event);
3080         return 0;
3081 }
3082
3083 #ifdef HAVE_AUXTRACE_SUPPORT
3084 static int perf_script__process_auxtrace_info(struct perf_session *session,
3085                                               union perf_event *event)
3086 {
3087         struct perf_tool *tool = session->tool;
3088
3089         int ret = perf_event__process_auxtrace_info(session, event);
3090
3091         if (ret == 0) {
3092                 struct perf_script *script = container_of(tool, struct perf_script, tool);
3093
3094                 ret = perf_script__setup_per_event_dump(script);
3095         }
3096
3097         return ret;
3098 }
3099 #else
3100 #define perf_script__process_auxtrace_info 0
3101 #endif
3102
3103 int cmd_script(int argc, const char **argv)
3104 {
3105         bool show_full_info = false;
3106         bool header = false;
3107         bool header_only = false;
3108         bool script_started = false;
3109         char *rec_script_path = NULL;
3110         char *rep_script_path = NULL;
3111         struct perf_session *session;
3112         struct itrace_synth_opts itrace_synth_opts = { .set = false, };
3113         char *script_path = NULL;
3114         const char **__argv;
3115         int i, j, err = 0;
3116         struct perf_script script = {
3117                 .tool = {
3118                         .sample          = process_sample_event,
3119                         .mmap            = perf_event__process_mmap,
3120                         .mmap2           = perf_event__process_mmap2,
3121                         .comm            = perf_event__process_comm,
3122                         .namespaces      = perf_event__process_namespaces,
3123                         .exit            = perf_event__process_exit,
3124                         .fork            = perf_event__process_fork,
3125                         .attr            = process_attr,
3126                         .event_update   = perf_event__process_event_update,
3127                         .tracing_data    = perf_event__process_tracing_data,
3128                         .feature         = process_feature_event,
3129                         .build_id        = perf_event__process_build_id,
3130                         .id_index        = perf_event__process_id_index,
3131                         .auxtrace_info   = perf_script__process_auxtrace_info,
3132                         .auxtrace        = perf_event__process_auxtrace,
3133                         .auxtrace_error  = perf_event__process_auxtrace_error,
3134                         .stat            = perf_event__process_stat_event,
3135                         .stat_round      = process_stat_round_event,
3136                         .stat_config     = process_stat_config_event,
3137                         .thread_map      = process_thread_map_event,
3138                         .cpu_map         = process_cpu_map_event,
3139                         .ordered_events  = true,
3140                         .ordering_requires_timestamps = true,
3141                 },
3142         };
3143         struct perf_data data = {
3144                 .mode = PERF_DATA_MODE_READ,
3145         };
3146         const struct option options[] = {
3147         OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3148                     "dump raw trace in ASCII"),
3149         OPT_INCR('v', "verbose", &verbose,
3150                  "be more verbose (show symbol address, etc)"),
3151         OPT_BOOLEAN('L', "Latency", &latency_format,
3152                     "show latency attributes (irqs/preemption disabled, etc)"),
3153         OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3154                            list_available_scripts),
3155         OPT_CALLBACK('s', "script", NULL, "name",
3156                      "script file name (lang:script name, script name, or *)",
3157                      parse_scriptname),
3158         OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3159                    "generate perf-script.xx script in specified language"),
3160         OPT_STRING('i', "input", &input_name, "file", "input file name"),
3161         OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3162                    "do various checks like samples ordering and lost events"),
3163         OPT_BOOLEAN(0, "header", &header, "Show data header."),
3164         OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3165         OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3166                    "file", "vmlinux pathname"),
3167         OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3168                    "file", "kallsyms pathname"),
3169         OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3170                     "When printing symbols do not display call chain"),
3171         OPT_CALLBACK(0, "symfs", NULL, "directory",
3172                      "Look for files with symbols relative to this directory",
3173                      symbol__config_symfs),
3174         OPT_CALLBACK('F', "fields", NULL, "str",
3175                      "comma separated output fields prepend with 'type:'. "
3176                      "+field to add and -field to remove."
3177                      "Valid types: hw,sw,trace,raw,synth. "
3178                      "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
3179                      "addr,symoff,srcline,period,iregs,uregs,brstack,"
3180                      "brstacksym,flags,bpf-output,brstackinsn,brstackoff,"
3181                      "callindent,insn,insnlen,synth,phys_addr,metric,misc",
3182                      parse_output_fields),
3183         OPT_BOOLEAN('a', "all-cpus", &system_wide,
3184                     "system-wide collection from all CPUs"),
3185         OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3186                    "only consider these symbols"),
3187         OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3188                    "Stop display of callgraph at these symbols"),
3189         OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3190         OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3191                    "only display events for these comms"),
3192         OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3193                    "only consider symbols in these pids"),
3194         OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3195                    "only consider symbols in these tids"),
3196         OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3197                      "Set the maximum stack depth when parsing the callchain, "
3198                      "anything beyond the specified depth will be ignored. "
3199                      "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3200         OPT_BOOLEAN('I', "show-info", &show_full_info,
3201                     "display extended information from perf.data file"),
3202         OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3203                     "Show the path of [kernel.kallsyms]"),
3204         OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3205                     "Show the fork/comm/exit events"),
3206         OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3207                     "Show the mmap events"),
3208         OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3209                     "Show context switch events (if recorded)"),
3210         OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3211                     "Show namespace events (if recorded)"),
3212         OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3213                     "Show lost events (if recorded)"),
3214         OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3215                     "Show round events (if recorded)"),
3216         OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
3217                     "Dump trace output to files named by the monitored events"),
3218         OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3219         OPT_INTEGER(0, "max-blocks", &max_blocks,
3220                     "Maximum number of code blocks to dump with brstackinsn"),
3221         OPT_BOOLEAN(0, "ns", &nanosecs,
3222                     "Use 9 decimal places when displaying time"),
3223         OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
3224                             "Instruction Tracing options\n" ITRACE_HELP,
3225                             itrace_parse_synth_opts),
3226         OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
3227                         "Show full source file name path for source lines"),
3228         OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
3229                         "Enable symbol demangling"),
3230         OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
3231                         "Enable kernel symbol demangling"),
3232         OPT_STRING(0, "time", &script.time_str, "str",
3233                    "Time span of interest (start,stop)"),
3234         OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
3235                     "Show inline function"),
3236         OPT_END()
3237         };
3238         const char * const script_subcommands[] = { "record", "report", NULL };
3239         const char *script_usage[] = {
3240                 "perf script [<options>]",
3241                 "perf script [<options>] record <script> [<record-options>] <command>",
3242                 "perf script [<options>] report <script> [script-args]",
3243                 "perf script [<options>] <script> [<record-options>] <command>",
3244                 "perf script [<options>] <top-script> [script-args]",
3245                 NULL
3246         };
3247
3248         perf_set_singlethreaded();
3249
3250         setup_scripting();
3251
3252         argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3253                              PARSE_OPT_STOP_AT_NON_OPTION);
3254
3255         data.file.path = input_name;
3256         data.force     = symbol_conf.force;
3257
3258         if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
3259                 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
3260                 if (!rec_script_path)
3261                         return cmd_record(argc, argv);
3262         }
3263
3264         if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
3265                 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
3266                 if (!rep_script_path) {
3267                         fprintf(stderr,
3268                                 "Please specify a valid report script"
3269                                 "(see 'perf script -l' for listing)\n");
3270                         return -1;
3271                 }
3272         }
3273
3274         if (itrace_synth_opts.callchain &&
3275             itrace_synth_opts.callchain_sz > scripting_max_stack)
3276                 scripting_max_stack = itrace_synth_opts.callchain_sz;
3277
3278         /* make sure PERF_EXEC_PATH is set for scripts */
3279         set_argv_exec_path(get_argv_exec_path());
3280
3281         if (argc && !script_name && !rec_script_path && !rep_script_path) {
3282                 int live_pipe[2];
3283                 int rep_args;
3284                 pid_t pid;
3285
3286                 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
3287                 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
3288
3289                 if (!rec_script_path && !rep_script_path) {
3290                         usage_with_options_msg(script_usage, options,
3291                                 "Couldn't find script `%s'\n\n See perf"
3292                                 " script -l for available scripts.\n", argv[0]);
3293                 }
3294
3295                 if (is_top_script(argv[0])) {
3296                         rep_args = argc - 1;
3297                 } else {
3298                         int rec_args;
3299
3300                         rep_args = has_required_arg(rep_script_path);
3301                         rec_args = (argc - 1) - rep_args;
3302                         if (rec_args < 0) {
3303                                 usage_with_options_msg(script_usage, options,
3304                                         "`%s' script requires options."
3305                                         "\n\n See perf script -l for available "
3306                                         "scripts and options.\n", argv[0]);
3307                         }
3308                 }
3309
3310                 if (pipe(live_pipe) < 0) {
3311                         perror("failed to create pipe");
3312                         return -1;
3313                 }
3314
3315                 pid = fork();
3316                 if (pid < 0) {
3317                         perror("failed to fork");
3318                         return -1;
3319                 }
3320
3321                 if (!pid) {
3322                         j = 0;
3323
3324                         dup2(live_pipe[1], 1);
3325                         close(live_pipe[0]);
3326
3327                         if (is_top_script(argv[0])) {
3328                                 system_wide = true;
3329                         } else if (!system_wide) {
3330                                 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
3331                                         err = -1;
3332                                         goto out;
3333                                 }
3334                         }
3335
3336                         __argv = malloc((argc + 6) * sizeof(const char *));
3337                         if (!__argv) {
3338                                 pr_err("malloc failed\n");
3339                                 err = -ENOMEM;
3340                                 goto out;
3341                         }
3342
3343                         __argv[j++] = "/bin/sh";
3344                         __argv[j++] = rec_script_path;
3345                         if (system_wide)
3346                                 __argv[j++] = "-a";
3347                         __argv[j++] = "-q";
3348                         __argv[j++] = "-o";
3349                         __argv[j++] = "-";
3350                         for (i = rep_args + 1; i < argc; i++)
3351                                 __argv[j++] = argv[i];
3352                         __argv[j++] = NULL;
3353
3354                         execvp("/bin/sh", (char **)__argv);
3355                         free(__argv);
3356                         exit(-1);
3357                 }
3358
3359                 dup2(live_pipe[0], 0);
3360                 close(live_pipe[1]);
3361
3362                 __argv = malloc((argc + 4) * sizeof(const char *));
3363                 if (!__argv) {
3364                         pr_err("malloc failed\n");
3365                         err = -ENOMEM;
3366                         goto out;
3367                 }
3368
3369                 j = 0;
3370                 __argv[j++] = "/bin/sh";
3371                 __argv[j++] = rep_script_path;
3372                 for (i = 1; i < rep_args + 1; i++)
3373                         __argv[j++] = argv[i];
3374                 __argv[j++] = "-i";
3375                 __argv[j++] = "-";
3376                 __argv[j++] = NULL;
3377
3378                 execvp("/bin/sh", (char **)__argv);
3379                 free(__argv);
3380                 exit(-1);
3381         }
3382
3383         if (rec_script_path)
3384                 script_path = rec_script_path;
3385         if (rep_script_path)
3386                 script_path = rep_script_path;
3387
3388         if (script_path) {
3389                 j = 0;
3390
3391                 if (!rec_script_path)
3392                         system_wide = false;
3393                 else if (!system_wide) {
3394                         if (have_cmd(argc - 1, &argv[1]) != 0) {
3395                                 err = -1;
3396                                 goto out;
3397                         }
3398                 }
3399
3400                 __argv = malloc((argc + 2) * sizeof(const char *));
3401                 if (!__argv) {
3402                         pr_err("malloc failed\n");
3403                         err = -ENOMEM;
3404                         goto out;
3405                 }
3406
3407                 __argv[j++] = "/bin/sh";
3408                 __argv[j++] = script_path;
3409                 if (system_wide)
3410                         __argv[j++] = "-a";
3411                 for (i = 2; i < argc; i++)
3412                         __argv[j++] = argv[i];
3413                 __argv[j++] = NULL;
3414
3415                 execvp("/bin/sh", (char **)__argv);
3416                 free(__argv);
3417                 exit(-1);
3418         }
3419
3420         if (!script_name)
3421                 setup_pager();
3422
3423         session = perf_session__new(&data, false, &script.tool);
3424         if (session == NULL)
3425                 return -1;
3426
3427         if (header || header_only) {
3428                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
3429                 perf_session__fprintf_info(session, stdout, show_full_info);
3430                 if (header_only)
3431                         goto out_delete;
3432         }
3433         if (show_full_info)
3434                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
3435
3436         if (symbol__init(&session->header.env) < 0)
3437                 goto out_delete;
3438
3439         script.session = session;
3440         script__setup_sample_type(&script);
3441
3442         if (output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT)
3443                 itrace_synth_opts.thread_stack = true;
3444
3445         session->itrace_synth_opts = &itrace_synth_opts;
3446
3447         if (cpu_list) {
3448                 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
3449                 if (err < 0)
3450                         goto out_delete;
3451                 itrace_synth_opts.cpu_bitmap = cpu_bitmap;
3452         }
3453
3454         if (!no_callchain)
3455                 symbol_conf.use_callchain = true;
3456         else
3457                 symbol_conf.use_callchain = false;
3458
3459         if (session->tevent.pevent &&
3460             tep_set_function_resolver(session->tevent.pevent,
3461                                       machine__resolve_kernel_addr,
3462                                       &session->machines.host) < 0) {
3463                 pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
3464                 err = -1;
3465                 goto out_delete;
3466         }
3467
3468         if (generate_script_lang) {
3469                 struct stat perf_stat;
3470                 int input;
3471
3472                 if (output_set_by_user()) {
3473                         fprintf(stderr,
3474                                 "custom fields not supported for generated scripts");
3475                         err = -EINVAL;
3476                         goto out_delete;
3477                 }
3478
3479                 input = open(data.file.path, O_RDONLY); /* input_name */
3480                 if (input < 0) {
3481                         err = -errno;
3482                         perror("failed to open file");
3483                         goto out_delete;
3484                 }
3485
3486                 err = fstat(input, &perf_stat);
3487                 if (err < 0) {
3488                         perror("failed to stat file");
3489                         goto out_delete;
3490                 }
3491
3492                 if (!perf_stat.st_size) {
3493                         fprintf(stderr, "zero-sized file, nothing to do!\n");
3494                         goto out_delete;
3495                 }
3496
3497                 scripting_ops = script_spec__lookup(generate_script_lang);
3498                 if (!scripting_ops) {
3499                         fprintf(stderr, "invalid language specifier");
3500                         err = -ENOENT;
3501                         goto out_delete;
3502                 }
3503
3504                 err = scripting_ops->generate_script(session->tevent.pevent,
3505                                                      "perf-script");
3506                 goto out_delete;
3507         }
3508
3509         if (script_name) {
3510                 err = scripting_ops->start_script(script_name, argc, argv);
3511                 if (err)
3512                         goto out_delete;
3513                 pr_debug("perf script started with script %s\n\n", script_name);
3514                 script_started = true;
3515         }
3516
3517
3518         err = perf_session__check_output_opt(session);
3519         if (err < 0)
3520                 goto out_delete;
3521
3522         script.ptime_range = perf_time__range_alloc(script.time_str,
3523                                                     &script.range_size);
3524         if (!script.ptime_range) {
3525                 err = -ENOMEM;
3526                 goto out_delete;
3527         }
3528
3529         /* needs to be parsed after looking up reference time */
3530         if (perf_time__parse_str(script.ptime_range, script.time_str) != 0) {
3531                 if (session->evlist->first_sample_time == 0 &&
3532                     session->evlist->last_sample_time == 0) {
3533                         pr_err("HINT: no first/last sample time found in perf data.\n"
3534                                "Please use latest perf binary to execute 'perf record'\n"
3535                                "(if '--buildid-all' is enabled, please set '--timestamp-boundary').\n");
3536                         err = -EINVAL;
3537                         goto out_delete;
3538                 }
3539
3540                 script.range_num = perf_time__percent_parse_str(
3541                                         script.ptime_range, script.range_size,
3542                                         script.time_str,
3543                                         session->evlist->first_sample_time,
3544                                         session->evlist->last_sample_time);
3545
3546                 if (script.range_num < 0) {
3547                         pr_err("Invalid time string\n");
3548                         err = -EINVAL;
3549                         goto out_delete;
3550                 }
3551         } else {
3552                 script.range_num = 1;
3553         }
3554
3555         err = __cmd_script(&script);
3556
3557         flush_scripting();
3558
3559 out_delete:
3560         zfree(&script.ptime_range);
3561
3562         perf_evlist__free_stats(session->evlist);
3563         perf_session__delete(session);
3564
3565         if (script_started)
3566                 cleanup_scripting();
3567 out:
3568         return err;
3569 }