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) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) {
 410                 pr_err("Display of symbols requested but neither sample IP nor "
 411                            "sample address\nis selected. Hence, no addresses to convert "
 412                        "to symbols.\n");
 413                 return -EINVAL;
 414         }
 415         if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
 416                 pr_err("Display of offsets requested but symbol is not"
 417                        "selected.\n");
 418                 return -EINVAL;
 419         }
 420         if (PRINT_FIELD(DSO) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR) &&
 421             !PRINT_FIELD(BRSTACK) && !PRINT_FIELD(BRSTACKSYM) && !PRINT_FIELD(BRSTACKOFF)) {
 422                 pr_err("Display of DSO requested but no address to convert.  Select\n"
 423                        "sample IP, sample address, brstack, brstacksym, or brstackoff.\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         u64 ip = 0;
1119
1120         /*
1121          * The 'return' has already been popped off the stack so the depth has
1122          * to be adjusted to match the 'call'.
1123          */
1124         if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
1125                 depth += 1;
1126
1127         if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1128                 if (sample_addr_correlates_sym(attr)) {
1129                         thread__resolve(thread, &addr_al, sample);
1130                         if (addr_al.sym)
1131                                 name = addr_al.sym->name;
1132                         else
1133                                 ip = sample->addr;
1134                 } else {
1135                         ip = sample->addr;
1136                 }
1137         } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1138                 if (al->sym)
1139                         name = al->sym->name;
1140                 else
1141                         ip = sample->ip;
1142         }
1143
1144         if (name)
1145                 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1146         else if (ip)
1147                 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1148
1149         if (len < 0)
1150                 return len;
1151
1152         /*
1153          * Try to keep the output length from changing frequently so that the
1154          * output lines up more nicely.
1155          */
1156         if (len > spacing || (len && len < spacing - 52))
1157                 spacing = round_up(len + 4, 32);
1158
1159         if (len < spacing)
1160                 len += fprintf(fp, "%*s", spacing - len, "");
1161
1162         return len;
1163 }
1164
1165 static int perf_sample__fprintf_insn(struct perf_sample *sample,
1166                                      struct perf_event_attr *attr,
1167                                      struct thread *thread,
1168                                      struct machine *machine, FILE *fp)
1169 {
1170         int printed = 0;
1171
1172         if (PRINT_FIELD(INSNLEN))
1173                 printed += fprintf(fp, " ilen: %d", sample->insn_len);
1174         if (PRINT_FIELD(INSN)) {
1175                 int i;
1176
1177                 printed += fprintf(fp, " insn:");
1178                 for (i = 0; i < sample->insn_len; i++)
1179                         printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
1180         }
1181         if (PRINT_FIELD(BRSTACKINSN))
1182                 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
1183
1184         return printed;
1185 }
1186
1187 static int perf_sample__fprintf_bts(struct perf_sample *sample,
1188                                     struct perf_evsel *evsel,
1189                                     struct thread *thread,
1190                                     struct addr_location *al,
1191                                     struct machine *machine, FILE *fp)
1192 {
1193         struct perf_event_attr *attr = &evsel->attr;
1194         unsigned int type = output_type(attr->type);
1195         bool print_srcline_last = false;
1196         int printed = 0;
1197
1198         if (PRINT_FIELD(CALLINDENT))
1199                 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp);
1200
1201         /* print branch_from information */
1202         if (PRINT_FIELD(IP)) {
1203                 unsigned int print_opts = output[type].print_ip_opts;
1204                 struct callchain_cursor *cursor = NULL;
1205
1206                 if (symbol_conf.use_callchain && sample->callchain &&
1207                     thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1208                                               sample, NULL, NULL, scripting_max_stack) == 0)
1209                         cursor = &callchain_cursor;
1210
1211                 if (cursor == NULL) {
1212                         printed += fprintf(fp, " ");
1213                         if (print_opts & EVSEL__PRINT_SRCLINE) {
1214                                 print_srcline_last = true;
1215                                 print_opts &= ~EVSEL__PRINT_SRCLINE;
1216                         }
1217                 } else
1218                         printed += fprintf(fp, "\n");
1219
1220                 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, fp);
1221         }
1222
1223         /* print branch_to information */
1224         if (PRINT_FIELD(ADDR) ||
1225             ((evsel->attr.sample_type & PERF_SAMPLE_ADDR) &&
1226              !output[type].user_set)) {
1227                 printed += fprintf(fp, " => ");
1228                 printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1229         }
1230
1231         if (print_srcline_last)
1232                 printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
1233
1234         printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1235         return printed + fprintf(fp, "\n");
1236 }
1237
1238 static struct {
1239         u32 flags;
1240         const char *name;
1241 } sample_flags[] = {
1242         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1243         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1244         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1245         {PERF_IP_FLAG_BRANCH, "jmp"},
1246         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1247         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1248         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1249         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1250         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1251         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"},
1252         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1253         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1254         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1255         {0, NULL}
1256 };
1257
1258 static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1259 {
1260         const char *chars = PERF_IP_FLAG_CHARS;
1261         const int n = strlen(PERF_IP_FLAG_CHARS);
1262         bool in_tx = flags & PERF_IP_FLAG_IN_TX;
1263         const char *name = NULL;
1264         char str[33];
1265         int i, pos = 0;
1266
1267         for (i = 0; sample_flags[i].name ; i++) {
1268                 if (sample_flags[i].flags == (flags & ~PERF_IP_FLAG_IN_TX)) {
1269                         name = sample_flags[i].name;
1270                         break;
1271                 }
1272         }
1273
1274         for (i = 0; i < n; i++, flags >>= 1) {
1275                 if (flags & 1)
1276                         str[pos++] = chars[i];
1277         }
1278         for (; i < 32; i++, flags >>= 1) {
1279                 if (flags & 1)
1280                         str[pos++] = '?';
1281         }
1282         str[pos] = 0;
1283
1284         if (name)
1285                 return fprintf(fp, "  %-7s%4s ", name, in_tx ? "(x)" : "");
1286
1287         return fprintf(fp, "  %-11s ", str);
1288 }
1289
1290 struct printer_data {
1291         int line_no;
1292         bool hit_nul;
1293         bool is_printable;
1294 };
1295
1296 static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1297                                       unsigned int val,
1298                                       void *extra, FILE *fp)
1299 {
1300         unsigned char ch = (unsigned char)val;
1301         struct printer_data *printer_data = extra;
1302         int printed = 0;
1303
1304         switch (op) {
1305         case BINARY_PRINT_DATA_BEGIN:
1306                 printed += fprintf(fp, "\n");
1307                 break;
1308         case BINARY_PRINT_LINE_BEGIN:
1309                 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1310                                                         "           ");
1311                 break;
1312         case BINARY_PRINT_ADDR:
1313                 printed += fprintf(fp, " %04x:", val);
1314                 break;
1315         case BINARY_PRINT_NUM_DATA:
1316                 printed += fprintf(fp, " %02x", val);
1317                 break;
1318         case BINARY_PRINT_NUM_PAD:
1319                 printed += fprintf(fp, "   ");
1320                 break;
1321         case BINARY_PRINT_SEP:
1322                 printed += fprintf(fp, "  ");
1323                 break;
1324         case BINARY_PRINT_CHAR_DATA:
1325                 if (printer_data->hit_nul && ch)
1326                         printer_data->is_printable = false;
1327
1328                 if (!isprint(ch)) {
1329                         printed += fprintf(fp, "%c", '.');
1330
1331                         if (!printer_data->is_printable)
1332                                 break;
1333
1334                         if (ch == '\0')
1335                                 printer_data->hit_nul = true;
1336                         else
1337                                 printer_data->is_printable = false;
1338                 } else {
1339                         printed += fprintf(fp, "%c", ch);
1340                 }
1341                 break;
1342         case BINARY_PRINT_CHAR_PAD:
1343                 printed += fprintf(fp, " ");
1344                 break;
1345         case BINARY_PRINT_LINE_END:
1346                 printed += fprintf(fp, "\n");
1347                 printer_data->line_no++;
1348                 break;
1349         case BINARY_PRINT_DATA_END:
1350         default:
1351                 break;
1352         }
1353
1354         return printed;
1355 }
1356
1357 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1358 {
1359         unsigned int nr_bytes = sample->raw_size;
1360         struct printer_data printer_data = {0, false, true};
1361         int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1362                                       sample__fprintf_bpf_output, &printer_data, fp);
1363
1364         if (printer_data.is_printable && printer_data.hit_nul)
1365                 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1366
1367         return printed;
1368 }
1369
1370 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1371 {
1372         if (len > 0 && len < spacing)
1373                 return fprintf(fp, "%*s", spacing - len, "");
1374
1375         return 0;
1376 }
1377
1378 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1379 {
1380         return perf_sample__fprintf_spacing(len, 34, fp);
1381 }
1382
1383 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1384 {
1385         struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1386         int len;
1387
1388         if (perf_sample__bad_synth_size(sample, *data))
1389                 return 0;
1390
1391         len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ",
1392                      data->ip, le64_to_cpu(data->payload));
1393         return len + perf_sample__fprintf_pt_spacing(len, fp);
1394 }
1395
1396 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1397 {
1398         struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1399         int len;
1400
1401         if (perf_sample__bad_synth_size(sample, *data))
1402                 return 0;
1403
1404         len = fprintf(fp, " hints: %#x extensions: %#x ",
1405                       data->hints, data->extensions);
1406         return len + perf_sample__fprintf_pt_spacing(len, fp);
1407 }
1408
1409 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1410 {
1411         struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1412         int len;
1413
1414         if (perf_sample__bad_synth_size(sample, *data))
1415                 return 0;
1416
1417         len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1418                       data->hw, data->cstate, data->subcstate);
1419         return len + perf_sample__fprintf_pt_spacing(len, fp);
1420 }
1421
1422 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1423 {
1424         struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1425         int len;
1426
1427         if (perf_sample__bad_synth_size(sample, *data))
1428                 return 0;
1429
1430         len = fprintf(fp, " IP: %u ", data->ip);
1431         return len + perf_sample__fprintf_pt_spacing(len, fp);
1432 }
1433
1434 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1435 {
1436         struct perf_synth_intel_pwrx *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, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1443                      data->deepest_cstate, data->last_cstate,
1444                      data->wake_reason);
1445         return len + perf_sample__fprintf_pt_spacing(len, fp);
1446 }
1447
1448 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1449 {
1450         struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1451         unsigned int percent, freq;
1452         int len;
1453
1454         if (perf_sample__bad_synth_size(sample, *data))
1455                 return 0;
1456
1457         freq = (le32_to_cpu(data->freq) + 500) / 1000;
1458         len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1459         if (data->max_nonturbo) {
1460                 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1461                 len += fprintf(fp, "(%3u%%) ", percent);
1462         }
1463         return len + perf_sample__fprintf_pt_spacing(len, fp);
1464 }
1465
1466 static int perf_sample__fprintf_synth(struct perf_sample *sample,
1467                                       struct perf_evsel *evsel, FILE *fp)
1468 {
1469         switch (evsel->attr.config) {
1470         case PERF_SYNTH_INTEL_PTWRITE:
1471                 return perf_sample__fprintf_synth_ptwrite(sample, fp);
1472         case PERF_SYNTH_INTEL_MWAIT:
1473                 return perf_sample__fprintf_synth_mwait(sample, fp);
1474         case PERF_SYNTH_INTEL_PWRE:
1475                 return perf_sample__fprintf_synth_pwre(sample, fp);
1476         case PERF_SYNTH_INTEL_EXSTOP:
1477                 return perf_sample__fprintf_synth_exstop(sample, fp);
1478         case PERF_SYNTH_INTEL_PWRX:
1479                 return perf_sample__fprintf_synth_pwrx(sample, fp);
1480         case PERF_SYNTH_INTEL_CBR:
1481                 return perf_sample__fprintf_synth_cbr(sample, fp);
1482         default:
1483                 break;
1484         }
1485
1486         return 0;
1487 }
1488
1489 struct perf_script {
1490         struct perf_tool        tool;
1491         struct perf_session     *session;
1492         bool                    show_task_events;
1493         bool                    show_mmap_events;
1494         bool                    show_switch_events;
1495         bool                    show_namespace_events;
1496         bool                    show_lost_events;
1497         bool                    show_round_events;
1498         bool                    allocated;
1499         bool                    per_event_dump;
1500         struct cpu_map          *cpus;
1501         struct thread_map       *threads;
1502         int                     name_width;
1503         const char              *time_str;
1504         struct perf_time_interval *ptime_range;
1505         int                     range_size;
1506         int                     range_num;
1507 };
1508
1509 static int perf_evlist__max_name_len(struct perf_evlist *evlist)
1510 {
1511         struct perf_evsel *evsel;
1512         int max = 0;
1513
1514         evlist__for_each_entry(evlist, evsel) {
1515                 int len = strlen(perf_evsel__name(evsel));
1516
1517                 max = MAX(len, max);
1518         }
1519
1520         return max;
1521 }
1522
1523 static int data_src__fprintf(u64 data_src, FILE *fp)
1524 {
1525         struct mem_info mi = { .data_src.val = data_src };
1526         char decode[100];
1527         char out[100];
1528         static int maxlen;
1529         int len;
1530
1531         perf_script__meminfo_scnprintf(decode, 100, &mi);
1532
1533         len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
1534         if (maxlen < len)
1535                 maxlen = len;
1536
1537         return fprintf(fp, "%-*s", maxlen, out);
1538 }
1539
1540 struct metric_ctx {
1541         struct perf_sample      *sample;
1542         struct thread           *thread;
1543         struct perf_evsel       *evsel;
1544         FILE                    *fp;
1545 };
1546
1547 static void script_print_metric(void *ctx, const char *color,
1548                                 const char *fmt,
1549                                 const char *unit, double val)
1550 {
1551         struct metric_ctx *mctx = ctx;
1552
1553         if (!fmt)
1554                 return;
1555         perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
1556                                    PERF_RECORD_SAMPLE, mctx->fp);
1557         fputs("\tmetric: ", mctx->fp);
1558         if (color)
1559                 color_fprintf(mctx->fp, color, fmt, val);
1560         else
1561                 printf(fmt, val);
1562         fprintf(mctx->fp, " %s\n", unit);
1563 }
1564
1565 static void script_new_line(void *ctx)
1566 {
1567         struct metric_ctx *mctx = ctx;
1568
1569         perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
1570                                    PERF_RECORD_SAMPLE, mctx->fp);
1571         fputs("\tmetric: ", mctx->fp);
1572 }
1573
1574 static void perf_sample__fprint_metric(struct perf_script *script,
1575                                        struct thread *thread,
1576                                        struct perf_evsel *evsel,
1577                                        struct perf_sample *sample,
1578                                        FILE *fp)
1579 {
1580         struct perf_stat_output_ctx ctx = {
1581                 .print_metric = script_print_metric,
1582                 .new_line = script_new_line,
1583                 .ctx = &(struct metric_ctx) {
1584                                 .sample = sample,
1585                                 .thread = thread,
1586                                 .evsel  = evsel,
1587                                 .fp     = fp,
1588                          },
1589                 .force_header = false,
1590         };
1591         struct perf_evsel *ev2;
1592         static bool init;
1593         u64 val;
1594
1595         if (!init) {
1596                 perf_stat__init_shadow_stats();
1597                 init = true;
1598         }
1599         if (!evsel->stats)
1600                 perf_evlist__alloc_stats(script->session->evlist, false);
1601         if (evsel_script(evsel->leader)->gnum++ == 0)
1602                 perf_stat__reset_shadow_stats();
1603         val = sample->period * evsel->scale;
1604         perf_stat__update_shadow_stats(evsel,
1605                                        val,
1606                                        sample->cpu,
1607                                        &rt_stat);
1608         evsel_script(evsel)->val = val;
1609         if (evsel_script(evsel->leader)->gnum == evsel->leader->nr_members) {
1610                 for_each_group_member (ev2, evsel->leader) {
1611                         perf_stat__print_shadow_stats(ev2,
1612                                                       evsel_script(ev2)->val,
1613                                                       sample->cpu,
1614                                                       &ctx,
1615                                                       NULL,
1616                                                       &rt_stat);
1617                 }
1618                 evsel_script(evsel->leader)->gnum = 0;
1619         }
1620 }
1621
1622 static void process_event(struct perf_script *script,
1623                           struct perf_sample *sample, struct perf_evsel *evsel,
1624                           struct addr_location *al,
1625                           struct machine *machine)
1626 {
1627         struct thread *thread = al->thread;
1628         struct perf_event_attr *attr = &evsel->attr;
1629         unsigned int type = output_type(attr->type);
1630         struct perf_evsel_script *es = evsel->priv;
1631         FILE *fp = es->fp;
1632
1633         if (output[type].fields == 0)
1634                 return;
1635
1636         ++es->samples;
1637
1638         perf_sample__fprintf_start(sample, thread, evsel,
1639                                    PERF_RECORD_SAMPLE, fp);
1640
1641         if (PRINT_FIELD(PERIOD))
1642                 fprintf(fp, "%10" PRIu64 " ", sample->period);
1643
1644         if (PRINT_FIELD(EVNAME)) {
1645                 const char *evname = perf_evsel__name(evsel);
1646
1647                 if (!script->name_width)
1648                         script->name_width = perf_evlist__max_name_len(script->session->evlist);
1649
1650                 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
1651         }
1652
1653         if (print_flags)
1654                 perf_sample__fprintf_flags(sample->flags, fp);
1655
1656         if (is_bts_event(attr)) {
1657                 perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp);
1658                 return;
1659         }
1660
1661         if (PRINT_FIELD(TRACE)) {
1662                 event_format__fprintf(evsel->tp_format, sample->cpu,
1663                                       sample->raw_data, sample->raw_size, fp);
1664         }
1665
1666         if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
1667                 perf_sample__fprintf_synth(sample, evsel, fp);
1668
1669         if (PRINT_FIELD(ADDR))
1670                 perf_sample__fprintf_addr(sample, thread, attr, fp);
1671
1672         if (PRINT_FIELD(DATA_SRC))
1673                 data_src__fprintf(sample->data_src, fp);
1674
1675         if (PRINT_FIELD(WEIGHT))
1676                 fprintf(fp, "%16" PRIu64, sample->weight);
1677
1678         if (PRINT_FIELD(IP)) {
1679                 struct callchain_cursor *cursor = NULL;
1680
1681                 if (symbol_conf.use_callchain && sample->callchain &&
1682                     thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1683                                               sample, NULL, NULL, scripting_max_stack) == 0)
1684                         cursor = &callchain_cursor;
1685
1686                 fputc(cursor ? '\n' : ' ', fp);
1687                 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, fp);
1688         }
1689
1690         if (PRINT_FIELD(IREGS))
1691                 perf_sample__fprintf_iregs(sample, attr, fp);
1692
1693         if (PRINT_FIELD(UREGS))
1694                 perf_sample__fprintf_uregs(sample, attr, fp);
1695
1696         if (PRINT_FIELD(BRSTACK))
1697                 perf_sample__fprintf_brstack(sample, thread, attr, fp);
1698         else if (PRINT_FIELD(BRSTACKSYM))
1699                 perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
1700         else if (PRINT_FIELD(BRSTACKOFF))
1701                 perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
1702
1703         if (perf_evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
1704                 perf_sample__fprintf_bpf_output(sample, fp);
1705         perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1706
1707         if (PRINT_FIELD(PHYS_ADDR))
1708                 fprintf(fp, "%16" PRIx64, sample->phys_addr);
1709         fprintf(fp, "\n");
1710
1711         if (PRINT_FIELD(METRIC))
1712                 perf_sample__fprint_metric(script, thread, evsel, sample, fp);
1713 }
1714
1715 static struct scripting_ops     *scripting_ops;
1716
1717 static void __process_stat(struct perf_evsel *counter, u64 tstamp)
1718 {
1719         int nthreads = thread_map__nr(counter->threads);
1720         int ncpus = perf_evsel__nr_cpus(counter);
1721         int cpu, thread;
1722         static int header_printed;
1723
1724         if (counter->system_wide)
1725                 nthreads = 1;
1726
1727         if (!header_printed) {
1728                 printf("%3s %8s %15s %15s %15s %15s %s\n",
1729                        "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
1730                 header_printed = 1;
1731         }
1732
1733         for (thread = 0; thread < nthreads; thread++) {
1734                 for (cpu = 0; cpu < ncpus; cpu++) {
1735                         struct perf_counts_values *counts;
1736
1737                         counts = perf_counts(counter->counts, cpu, thread);
1738
1739                         printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
1740                                 counter->cpus->map[cpu],
1741                                 thread_map__pid(counter->threads, thread),
1742                                 counts->val,
1743                                 counts->ena,
1744                                 counts->run,
1745                                 tstamp,
1746                                 perf_evsel__name(counter));
1747                 }
1748         }
1749 }
1750
1751 static void process_stat(struct perf_evsel *counter, u64 tstamp)
1752 {
1753         if (scripting_ops && scripting_ops->process_stat)
1754                 scripting_ops->process_stat(&stat_config, counter, tstamp);
1755         else
1756                 __process_stat(counter, tstamp);
1757 }
1758
1759 static void process_stat_interval(u64 tstamp)
1760 {
1761         if (scripting_ops && scripting_ops->process_stat_interval)
1762                 scripting_ops->process_stat_interval(tstamp);
1763 }
1764
1765 static void setup_scripting(void)
1766 {
1767         setup_perl_scripting();
1768         setup_python_scripting();
1769 }
1770
1771 static int flush_scripting(void)
1772 {
1773         return scripting_ops ? scripting_ops->flush_script() : 0;
1774 }
1775
1776 static int cleanup_scripting(void)
1777 {
1778         pr_debug("\nperf script stopped\n");
1779
1780         return scripting_ops ? scripting_ops->stop_script() : 0;
1781 }
1782
1783 static int process_sample_event(struct perf_tool *tool,
1784                                 union perf_event *event,
1785                                 struct perf_sample *sample,
1786                                 struct perf_evsel *evsel,
1787                                 struct machine *machine)
1788 {
1789         struct perf_script *scr = container_of(tool, struct perf_script, tool);
1790         struct addr_location al;
1791
1792         if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
1793                                           sample->time)) {
1794                 return 0;
1795         }
1796
1797         if (debug_mode) {
1798                 if (sample->time < last_timestamp) {
1799                         pr_err("Samples misordered, previous: %" PRIu64
1800                                 " this: %" PRIu64 "\n", last_timestamp,
1801                                 sample->time);
1802                         nr_unordered++;
1803                 }
1804                 last_timestamp = sample->time;
1805                 return 0;
1806         }
1807
1808         if (machine__resolve(machine, &al, sample) < 0) {
1809                 pr_err("problem processing %d event, skipping it.\n",
1810                        event->header.type);
1811                 return -1;
1812         }
1813
1814         if (al.filtered)
1815                 goto out_put;
1816
1817         if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
1818                 goto out_put;
1819
1820         if (scripting_ops)
1821                 scripting_ops->process_event(event, sample, evsel, &al);
1822         else
1823                 process_event(scr, sample, evsel, &al, machine);
1824
1825 out_put:
1826         addr_location__put(&al);
1827         return 0;
1828 }
1829
1830 static int process_attr(struct perf_tool *tool, union perf_event *event,
1831                         struct perf_evlist **pevlist)
1832 {
1833         struct perf_script *scr = container_of(tool, struct perf_script, tool);
1834         struct perf_evlist *evlist;
1835         struct perf_evsel *evsel, *pos;
1836         int err;
1837
1838         err = perf_event__process_attr(tool, event, pevlist);
1839         if (err)
1840                 return err;
1841
1842         evlist = *pevlist;
1843         evsel = perf_evlist__last(*pevlist);
1844
1845         if (evsel->attr.type >= PERF_TYPE_MAX &&
1846             evsel->attr.type != PERF_TYPE_SYNTH)
1847                 return 0;
1848
1849         evlist__for_each_entry(evlist, pos) {
1850                 if (pos->attr.type == evsel->attr.type && pos != evsel)
1851                         return 0;
1852         }
1853
1854         set_print_ip_opts(&evsel->attr);
1855
1856         if (evsel->attr.sample_type)
1857                 err = perf_evsel__check_attr(evsel, scr->session);
1858
1859         return err;
1860 }
1861
1862 static int process_comm_event(struct perf_tool *tool,
1863                               union perf_event *event,
1864                               struct perf_sample *sample,
1865                               struct machine *machine)
1866 {
1867         struct thread *thread;
1868         struct perf_script *script = container_of(tool, struct perf_script, tool);
1869         struct perf_session *session = script->session;
1870         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1871         int ret = -1;
1872
1873         thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid);
1874         if (thread == NULL) {
1875                 pr_debug("problem processing COMM event, skipping it.\n");
1876                 return -1;
1877         }
1878
1879         if (perf_event__process_comm(tool, event, sample, machine) < 0)
1880                 goto out;
1881
1882         if (!evsel->attr.sample_id_all) {
1883                 sample->cpu = 0;
1884                 sample->time = 0;
1885                 sample->tid = event->comm.tid;
1886                 sample->pid = event->comm.pid;
1887         }
1888         perf_sample__fprintf_start(sample, thread, evsel,
1889                                    PERF_RECORD_COMM, stdout);
1890         perf_event__fprintf(event, stdout);
1891         ret = 0;
1892 out:
1893         thread__put(thread);
1894         return ret;
1895 }
1896
1897 static int process_namespaces_event(struct perf_tool *tool,
1898                                     union perf_event *event,
1899                                     struct perf_sample *sample,
1900                                     struct machine *machine)
1901 {
1902         struct thread *thread;
1903         struct perf_script *script = container_of(tool, struct perf_script, tool);
1904         struct perf_session *session = script->session;
1905         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1906         int ret = -1;
1907
1908         thread = machine__findnew_thread(machine, event->namespaces.pid,
1909                                          event->namespaces.tid);
1910         if (thread == NULL) {
1911                 pr_debug("problem processing NAMESPACES event, skipping it.\n");
1912                 return -1;
1913         }
1914
1915         if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
1916                 goto out;
1917
1918         if (!evsel->attr.sample_id_all) {
1919                 sample->cpu = 0;
1920                 sample->time = 0;
1921                 sample->tid = event->namespaces.tid;
1922                 sample->pid = event->namespaces.pid;
1923         }
1924         perf_sample__fprintf_start(sample, thread, evsel,
1925                                    PERF_RECORD_NAMESPACES, stdout);
1926         perf_event__fprintf(event, stdout);
1927         ret = 0;
1928 out:
1929         thread__put(thread);
1930         return ret;
1931 }
1932
1933 static int process_fork_event(struct perf_tool *tool,
1934                               union perf_event *event,
1935                               struct perf_sample *sample,
1936                               struct machine *machine)
1937 {
1938         struct thread *thread;
1939         struct perf_script *script = container_of(tool, struct perf_script, tool);
1940         struct perf_session *session = script->session;
1941         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1942
1943         if (perf_event__process_fork(tool, event, sample, machine) < 0)
1944                 return -1;
1945
1946         thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
1947         if (thread == NULL) {
1948                 pr_debug("problem processing FORK event, skipping it.\n");
1949                 return -1;
1950         }
1951
1952         if (!evsel->attr.sample_id_all) {
1953                 sample->cpu = 0;
1954                 sample->time = event->fork.time;
1955                 sample->tid = event->fork.tid;
1956                 sample->pid = event->fork.pid;
1957         }
1958         perf_sample__fprintf_start(sample, thread, evsel,
1959                                    PERF_RECORD_FORK, stdout);
1960         perf_event__fprintf(event, stdout);
1961         thread__put(thread);
1962
1963         return 0;
1964 }
1965 static int process_exit_event(struct perf_tool *tool,
1966                               union perf_event *event,
1967                               struct perf_sample *sample,
1968                               struct machine *machine)
1969 {
1970         int err = 0;
1971         struct thread *thread;
1972         struct perf_script *script = container_of(tool, struct perf_script, tool);
1973         struct perf_session *session = script->session;
1974         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1975
1976         thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
1977         if (thread == NULL) {
1978                 pr_debug("problem processing EXIT event, skipping it.\n");
1979                 return -1;
1980         }
1981
1982         if (!evsel->attr.sample_id_all) {
1983                 sample->cpu = 0;
1984                 sample->time = 0;
1985                 sample->tid = event->fork.tid;
1986                 sample->pid = event->fork.pid;
1987         }
1988         perf_sample__fprintf_start(sample, thread, evsel,
1989                                    PERF_RECORD_EXIT, stdout);
1990         perf_event__fprintf(event, stdout);
1991
1992         if (perf_event__process_exit(tool, event, sample, machine) < 0)
1993                 err = -1;
1994
1995         thread__put(thread);
1996         return err;
1997 }
1998
1999 static int process_mmap_event(struct perf_tool *tool,
2000                               union perf_event *event,
2001                               struct perf_sample *sample,
2002                               struct machine *machine)
2003 {
2004         struct thread *thread;
2005         struct perf_script *script = container_of(tool, struct perf_script, tool);
2006         struct perf_session *session = script->session;
2007         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2008
2009         if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2010                 return -1;
2011
2012         thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid);
2013         if (thread == NULL) {
2014                 pr_debug("problem processing MMAP event, skipping it.\n");
2015                 return -1;
2016         }
2017
2018         if (!evsel->attr.sample_id_all) {
2019                 sample->cpu = 0;
2020                 sample->time = 0;
2021                 sample->tid = event->mmap.tid;
2022                 sample->pid = event->mmap.pid;
2023         }
2024         perf_sample__fprintf_start(sample, thread, evsel,
2025                                    PERF_RECORD_MMAP, stdout);
2026         perf_event__fprintf(event, stdout);
2027         thread__put(thread);
2028         return 0;
2029 }
2030
2031 static int process_mmap2_event(struct perf_tool *tool,
2032                               union perf_event *event,
2033                               struct perf_sample *sample,
2034                               struct machine *machine)
2035 {
2036         struct thread *thread;
2037         struct perf_script *script = container_of(tool, struct perf_script, tool);
2038         struct perf_session *session = script->session;
2039         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2040
2041         if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2042                 return -1;
2043
2044         thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid);
2045         if (thread == NULL) {
2046                 pr_debug("problem processing MMAP2 event, skipping it.\n");
2047                 return -1;
2048         }
2049
2050         if (!evsel->attr.sample_id_all) {
2051                 sample->cpu = 0;
2052                 sample->time = 0;
2053                 sample->tid = event->mmap2.tid;
2054                 sample->pid = event->mmap2.pid;
2055         }
2056         perf_sample__fprintf_start(sample, thread, evsel,
2057                                    PERF_RECORD_MMAP2, stdout);
2058         perf_event__fprintf(event, stdout);
2059         thread__put(thread);
2060         return 0;
2061 }
2062
2063 static int process_switch_event(struct perf_tool *tool,
2064                                 union perf_event *event,
2065                                 struct perf_sample *sample,
2066                                 struct machine *machine)
2067 {
2068         struct thread *thread;
2069         struct perf_script *script = container_of(tool, struct perf_script, tool);
2070         struct perf_session *session = script->session;
2071         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2072
2073         if (perf_event__process_switch(tool, event, sample, machine) < 0)
2074                 return -1;
2075
2076         thread = machine__findnew_thread(machine, sample->pid,
2077                                          sample->tid);
2078         if (thread == NULL) {
2079                 pr_debug("problem processing SWITCH event, skipping it.\n");
2080                 return -1;
2081         }
2082
2083         perf_sample__fprintf_start(sample, thread, evsel,
2084                                    PERF_RECORD_SWITCH, stdout);
2085         perf_event__fprintf(event, stdout);
2086         thread__put(thread);
2087         return 0;
2088 }
2089
2090 static int
2091 process_lost_event(struct perf_tool *tool,
2092                    union perf_event *event,
2093                    struct perf_sample *sample,
2094                    struct machine *machine)
2095 {
2096         struct perf_script *script = container_of(tool, struct perf_script, tool);
2097         struct perf_session *session = script->session;
2098         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2099         struct thread *thread;
2100
2101         thread = machine__findnew_thread(machine, sample->pid,
2102                                          sample->tid);
2103         if (thread == NULL)
2104                 return -1;
2105
2106         perf_sample__fprintf_start(sample, thread, evsel,
2107                                    PERF_RECORD_LOST, stdout);
2108         perf_event__fprintf(event, stdout);
2109         thread__put(thread);
2110         return 0;
2111 }
2112
2113 static int
2114 process_finished_round_event(struct perf_tool *tool __maybe_unused,
2115                              union perf_event *event,
2116                              struct ordered_events *oe __maybe_unused)
2117
2118 {
2119         perf_event__fprintf(event, stdout);
2120         return 0;
2121 }
2122
2123 static void sig_handler(int sig __maybe_unused)
2124 {
2125         session_done = 1;
2126 }
2127
2128 static void perf_script__fclose_per_event_dump(struct perf_script *script)
2129 {
2130         struct perf_evlist *evlist = script->session->evlist;
2131         struct perf_evsel *evsel;
2132
2133         evlist__for_each_entry(evlist, evsel) {
2134                 if (!evsel->priv)
2135                         break;
2136                 perf_evsel_script__delete(evsel->priv);
2137                 evsel->priv = NULL;
2138         }
2139 }
2140
2141 static int perf_script__fopen_per_event_dump(struct perf_script *script)
2142 {
2143         struct perf_evsel *evsel;
2144
2145         evlist__for_each_entry(script->session->evlist, evsel) {
2146                 /*
2147                  * Already setup? I.e. we may be called twice in cases like
2148                  * Intel PT, one for the intel_pt// and dummy events, then
2149                  * for the evsels syntheized from the auxtrace info.
2150                  *
2151                  * Ses perf_script__process_auxtrace_info.
2152                  */
2153                 if (evsel->priv != NULL)
2154                         continue;
2155
2156                 evsel->priv = perf_evsel_script__new(evsel, script->session->data);
2157                 if (evsel->priv == NULL)
2158                         goto out_err_fclose;
2159         }
2160
2161         return 0;
2162
2163 out_err_fclose:
2164         perf_script__fclose_per_event_dump(script);
2165         return -1;
2166 }
2167
2168 static int perf_script__setup_per_event_dump(struct perf_script *script)
2169 {
2170         struct perf_evsel *evsel;
2171         static struct perf_evsel_script es_stdout;
2172
2173         if (script->per_event_dump)
2174                 return perf_script__fopen_per_event_dump(script);
2175
2176         es_stdout.fp = stdout;
2177
2178         evlist__for_each_entry(script->session->evlist, evsel)
2179                 evsel->priv = &es_stdout;
2180
2181         return 0;
2182 }
2183
2184 static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2185 {
2186         struct perf_evsel *evsel;
2187
2188         evlist__for_each_entry(script->session->evlist, evsel) {
2189                 struct perf_evsel_script *es = evsel->priv;
2190
2191                 perf_evsel_script__fprintf(es, stdout);
2192                 perf_evsel_script__delete(es);
2193                 evsel->priv = NULL;
2194         }
2195 }
2196
2197 static int __cmd_script(struct perf_script *script)
2198 {
2199         int ret;
2200
2201         signal(SIGINT, sig_handler);
2202
2203         /* override event processing functions */
2204         if (script->show_task_events) {
2205                 script->tool.comm = process_comm_event;
2206                 script->tool.fork = process_fork_event;
2207                 script->tool.exit = process_exit_event;
2208         }
2209         if (script->show_mmap_events) {
2210                 script->tool.mmap = process_mmap_event;
2211                 script->tool.mmap2 = process_mmap2_event;
2212         }
2213         if (script->show_switch_events)
2214                 script->tool.context_switch = process_switch_event;
2215         if (script->show_namespace_events)
2216                 script->tool.namespaces = process_namespaces_event;
2217         if (script->show_lost_events)
2218                 script->tool.lost = process_lost_event;
2219         if (script->show_round_events) {
2220                 script->tool.ordered_events = false;
2221                 script->tool.finished_round = process_finished_round_event;
2222         }
2223
2224         if (perf_script__setup_per_event_dump(script)) {
2225                 pr_err("Couldn't create the per event dump files\n");
2226                 return -1;
2227         }
2228
2229         ret = perf_session__process_events(script->session);
2230
2231         if (script->per_event_dump)
2232                 perf_script__exit_per_event_dump_stats(script);
2233
2234         if (debug_mode)
2235                 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2236
2237         return ret;
2238 }
2239
2240 struct script_spec {
2241         struct list_head        node;
2242         struct scripting_ops    *ops;
2243         char                    spec[0];
2244 };
2245
2246 static LIST_HEAD(script_specs);
2247
2248 static struct script_spec *script_spec__new(const char *spec,
2249                                             struct scripting_ops *ops)
2250 {
2251         struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2252
2253         if (s != NULL) {
2254                 strcpy(s->spec, spec);
2255                 s->ops = ops;
2256         }
2257
2258         return s;
2259 }
2260
2261 static void script_spec__add(struct script_spec *s)
2262 {
2263         list_add_tail(&s->node, &script_specs);
2264 }
2265
2266 static struct script_spec *script_spec__find(const char *spec)
2267 {
2268         struct script_spec *s;
2269
2270         list_for_each_entry(s, &script_specs, node)
2271                 if (strcasecmp(s->spec, spec) == 0)
2272                         return s;
2273         return NULL;
2274 }
2275
2276 int script_spec_register(const char *spec, struct scripting_ops *ops)
2277 {
2278         struct script_spec *s;
2279
2280         s = script_spec__find(spec);
2281         if (s)
2282                 return -1;
2283
2284         s = script_spec__new(spec, ops);
2285         if (!s)
2286                 return -1;
2287         else
2288                 script_spec__add(s);
2289
2290         return 0;
2291 }
2292
2293 static struct scripting_ops *script_spec__lookup(const char *spec)
2294 {
2295         struct script_spec *s = script_spec__find(spec);
2296         if (!s)
2297                 return NULL;
2298
2299         return s->ops;
2300 }
2301
2302 static void list_available_languages(void)
2303 {
2304         struct script_spec *s;
2305
2306         fprintf(stderr, "\n");
2307         fprintf(stderr, "Scripting language extensions (used in "
2308                 "perf script -s [spec:]script.[spec]):\n\n");
2309
2310         list_for_each_entry(s, &script_specs, node)
2311                 fprintf(stderr, "  %-42s [%s]\n", s->spec, s->ops->name);
2312
2313         fprintf(stderr, "\n");
2314 }
2315
2316 static int parse_scriptname(const struct option *opt __maybe_unused,
2317                             const char *str, int unset __maybe_unused)
2318 {
2319         char spec[PATH_MAX];
2320         const char *script, *ext;
2321         int len;
2322
2323         if (strcmp(str, "lang") == 0) {
2324                 list_available_languages();
2325                 exit(0);
2326         }
2327
2328         script = strchr(str, ':');
2329         if (script) {
2330                 len = script - str;
2331                 if (len >= PATH_MAX) {
2332                         fprintf(stderr, "invalid language specifier");
2333                         return -1;
2334                 }
2335                 strncpy(spec, str, len);
2336                 spec[len] = '\0';
2337                 scripting_ops = script_spec__lookup(spec);
2338                 if (!scripting_ops) {
2339                         fprintf(stderr, "invalid language specifier");
2340                         return -1;
2341                 }
2342                 script++;
2343         } else {
2344                 script = str;
2345                 ext = strrchr(script, '.');
2346                 if (!ext) {
2347                         fprintf(stderr, "invalid script extension");
2348                         return -1;
2349                 }
2350                 scripting_ops = script_spec__lookup(++ext);
2351                 if (!scripting_ops) {
2352                         fprintf(stderr, "invalid script extension");
2353                         return -1;
2354                 }
2355         }
2356
2357         script_name = strdup(script);
2358
2359         return 0;
2360 }
2361
2362 static int parse_output_fields(const struct option *opt __maybe_unused,
2363                             const char *arg, int unset __maybe_unused)
2364 {
2365         char *tok, *strtok_saveptr = NULL;
2366         int i, imax = ARRAY_SIZE(all_output_options);
2367         int j;
2368         int rc = 0;
2369         char *str = strdup(arg);
2370         int type = -1;
2371         enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
2372
2373         if (!str)
2374                 return -ENOMEM;
2375
2376         /* first word can state for which event type the user is specifying
2377          * the fields. If no type exists, the specified fields apply to all
2378          * event types found in the file minus the invalid fields for a type.
2379          */
2380         tok = strchr(str, ':');
2381         if (tok) {
2382                 *tok = '\0';
2383                 tok++;
2384                 if (!strcmp(str, "hw"))
2385                         type = PERF_TYPE_HARDWARE;
2386                 else if (!strcmp(str, "sw"))
2387                         type = PERF_TYPE_SOFTWARE;
2388                 else if (!strcmp(str, "trace"))
2389                         type = PERF_TYPE_TRACEPOINT;
2390                 else if (!strcmp(str, "raw"))
2391                         type = PERF_TYPE_RAW;
2392                 else if (!strcmp(str, "break"))
2393                         type = PERF_TYPE_BREAKPOINT;
2394                 else if (!strcmp(str, "synth"))
2395                         type = OUTPUT_TYPE_SYNTH;
2396                 else {
2397                         fprintf(stderr, "Invalid event type in field string.\n");
2398                         rc = -EINVAL;
2399                         goto out;
2400                 }
2401
2402                 if (output[type].user_set)
2403                         pr_warning("Overriding previous field request for %s events.\n",
2404                                    event_type(type));
2405
2406                 output[type].fields = 0;
2407                 output[type].user_set = true;
2408                 output[type].wildcard_set = false;
2409
2410         } else {
2411                 tok = str;
2412                 if (strlen(str) == 0) {
2413                         fprintf(stderr,
2414                                 "Cannot set fields to 'none' for all event types.\n");
2415                         rc = -EINVAL;
2416                         goto out;
2417                 }
2418
2419                 /* Don't override defaults for +- */
2420                 if (strchr(str, '+') || strchr(str, '-'))
2421                         goto parse;
2422
2423                 if (output_set_by_user())
2424                         pr_warning("Overriding previous field request for all events.\n");
2425
2426                 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2427                         output[j].fields = 0;
2428                         output[j].user_set = true;
2429                         output[j].wildcard_set = true;
2430                 }
2431         }
2432
2433 parse:
2434         for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
2435                 if (*tok == '+') {
2436                         if (change == SET)
2437                                 goto out_badmix;
2438                         change = ADD;
2439                         tok++;
2440                 } else if (*tok == '-') {
2441                         if (change == SET)
2442                                 goto out_badmix;
2443                         change = REMOVE;
2444                         tok++;
2445                 } else {
2446                         if (change != SET && change != DEFAULT)
2447                                 goto out_badmix;
2448                         change = SET;
2449                 }
2450
2451                 for (i = 0; i < imax; ++i) {
2452                         if (strcmp(tok, all_output_options[i].str) == 0)
2453                                 break;
2454                 }
2455                 if (i == imax && strcmp(tok, "flags") == 0) {
2456                         print_flags = change == REMOVE ? false : true;
2457                         continue;
2458                 }
2459                 if (i == imax) {
2460                         fprintf(stderr, "Invalid field requested.\n");
2461                         rc = -EINVAL;
2462                         goto out;
2463                 }
2464
2465                 if (type == -1) {
2466                         /* add user option to all events types for
2467                          * which it is valid
2468                          */
2469                         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2470                                 if (output[j].invalid_fields & all_output_options[i].field) {
2471                                         pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
2472                                                    all_output_options[i].str, event_type(j));
2473                                 } else {
2474                                         if (change == REMOVE)
2475                                                 output[j].fields &= ~all_output_options[i].field;
2476                                         else
2477                                                 output[j].fields |= all_output_options[i].field;
2478                                 }
2479                         }
2480                 } else {
2481                         if (output[type].invalid_fields & all_output_options[i].field) {
2482                                 fprintf(stderr, "\'%s\' not valid for %s events.\n",
2483                                          all_output_options[i].str, event_type(type));
2484
2485                                 rc = -EINVAL;
2486                                 goto out;
2487                         }
2488                         output[type].fields |= all_output_options[i].field;
2489                 }
2490         }
2491
2492         if (type >= 0) {
2493                 if (output[type].fields == 0) {
2494                         pr_debug("No fields requested for %s type. "
2495                                  "Events will not be displayed.\n", event_type(type));
2496                 }
2497         }
2498         goto out;
2499
2500 out_badmix:
2501         fprintf(stderr, "Cannot mix +-field with overridden fields\n");
2502         rc = -EINVAL;
2503 out:
2504         free(str);
2505         return rc;
2506 }
2507
2508 #define for_each_lang(scripts_path, scripts_dir, lang_dirent)           \
2509         while ((lang_dirent = readdir(scripts_dir)) != NULL)            \
2510                 if ((lang_dirent->d_type == DT_DIR ||                   \
2511                      (lang_dirent->d_type == DT_UNKNOWN &&              \
2512                       is_directory(scripts_path, lang_dirent))) &&      \
2513                     (strcmp(lang_dirent->d_name, ".")) &&               \
2514                     (strcmp(lang_dirent->d_name, "..")))
2515
2516 #define for_each_script(lang_path, lang_dir, script_dirent)             \
2517         while ((script_dirent = readdir(lang_dir)) != NULL)             \
2518                 if (script_dirent->d_type != DT_DIR &&                  \
2519                     (script_dirent->d_type != DT_UNKNOWN ||             \
2520                      !is_directory(lang_path, script_dirent)))
2521
2522
2523 #define RECORD_SUFFIX                   "-record"
2524 #define REPORT_SUFFIX                   "-report"
2525
2526 struct script_desc {
2527         struct list_head        node;
2528         char                    *name;
2529         char                    *half_liner;
2530         char                    *args;
2531 };
2532
2533 static LIST_HEAD(script_descs);
2534
2535 static struct script_desc *script_desc__new(const char *name)
2536 {
2537         struct script_desc *s = zalloc(sizeof(*s));
2538
2539         if (s != NULL && name)
2540                 s->name = strdup(name);
2541
2542         return s;
2543 }
2544
2545 static void script_desc__delete(struct script_desc *s)
2546 {
2547         zfree(&s->name);
2548         zfree(&s->half_liner);
2549         zfree(&s->args);
2550         free(s);
2551 }
2552
2553 static void script_desc__add(struct script_desc *s)
2554 {
2555         list_add_tail(&s->node, &script_descs);
2556 }
2557
2558 static struct script_desc *script_desc__find(const char *name)
2559 {
2560         struct script_desc *s;
2561
2562         list_for_each_entry(s, &script_descs, node)
2563                 if (strcasecmp(s->name, name) == 0)
2564                         return s;
2565         return NULL;
2566 }
2567
2568 static struct script_desc *script_desc__findnew(const char *name)
2569 {
2570         struct script_desc *s = script_desc__find(name);
2571
2572         if (s)
2573                 return s;
2574
2575         s = script_desc__new(name);
2576         if (!s)
2577                 return NULL;
2578
2579         script_desc__add(s);
2580
2581         return s;
2582 }
2583
2584 static const char *ends_with(const char *str, const char *suffix)
2585 {
2586         size_t suffix_len = strlen(suffix);
2587         const char *p = str;
2588
2589         if (strlen(str) > suffix_len) {
2590                 p = str + strlen(str) - suffix_len;
2591                 if (!strncmp(p, suffix, suffix_len))
2592                         return p;
2593         }
2594
2595         return NULL;
2596 }
2597
2598 static int read_script_info(struct script_desc *desc, const char *filename)
2599 {
2600         char line[BUFSIZ], *p;
2601         FILE *fp;
2602
2603         fp = fopen(filename, "r");
2604         if (!fp)
2605                 return -1;
2606
2607         while (fgets(line, sizeof(line), fp)) {
2608                 p = ltrim(line);
2609                 if (strlen(p) == 0)
2610                         continue;
2611                 if (*p != '#')
2612                         continue;
2613                 p++;
2614                 if (strlen(p) && *p == '!')
2615                         continue;
2616
2617                 p = ltrim(p);
2618                 if (strlen(p) && p[strlen(p) - 1] == '\n')
2619                         p[strlen(p) - 1] = '\0';
2620
2621                 if (!strncmp(p, "description:", strlen("description:"))) {
2622                         p += strlen("description:");
2623                         desc->half_liner = strdup(ltrim(p));
2624                         continue;
2625                 }
2626
2627                 if (!strncmp(p, "args:", strlen("args:"))) {
2628                         p += strlen("args:");
2629                         desc->args = strdup(ltrim(p));
2630                         continue;
2631                 }
2632         }
2633
2634         fclose(fp);
2635
2636         return 0;
2637 }
2638
2639 static char *get_script_root(struct dirent *script_dirent, const char *suffix)
2640 {
2641         char *script_root, *str;
2642
2643         script_root = strdup(script_dirent->d_name);
2644         if (!script_root)
2645                 return NULL;
2646
2647         str = (char *)ends_with(script_root, suffix);
2648         if (!str) {
2649                 free(script_root);
2650                 return NULL;
2651         }
2652
2653         *str = '\0';
2654         return script_root;
2655 }
2656
2657 static int list_available_scripts(const struct option *opt __maybe_unused,
2658                                   const char *s __maybe_unused,
2659                                   int unset __maybe_unused)
2660 {
2661         struct dirent *script_dirent, *lang_dirent;
2662         char scripts_path[MAXPATHLEN];
2663         DIR *scripts_dir, *lang_dir;
2664         char script_path[MAXPATHLEN];
2665         char lang_path[MAXPATHLEN];
2666         struct script_desc *desc;
2667         char first_half[BUFSIZ];
2668         char *script_root;
2669
2670         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2671
2672         scripts_dir = opendir(scripts_path);
2673         if (!scripts_dir) {
2674                 fprintf(stdout,
2675                         "open(%s) failed.\n"
2676                         "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
2677                         scripts_path);
2678                 exit(-1);
2679         }
2680
2681         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2682                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
2683                           lang_dirent->d_name);
2684                 lang_dir = opendir(lang_path);
2685                 if (!lang_dir)
2686                         continue;
2687
2688                 for_each_script(lang_path, lang_dir, script_dirent) {
2689                         script_root = get_script_root(script_dirent, REPORT_SUFFIX);
2690                         if (script_root) {
2691                                 desc = script_desc__findnew(script_root);
2692                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
2693                                           lang_path, script_dirent->d_name);
2694                                 read_script_info(desc, script_path);
2695                                 free(script_root);
2696                         }
2697                 }
2698         }
2699
2700         fprintf(stdout, "List of available trace scripts:\n");
2701         list_for_each_entry(desc, &script_descs, node) {
2702                 sprintf(first_half, "%s %s", desc->name,
2703                         desc->args ? desc->args : "");
2704                 fprintf(stdout, "  %-36s %s\n", first_half,
2705                         desc->half_liner ? desc->half_liner : "");
2706         }
2707
2708         exit(0);
2709 }
2710
2711 /*
2712  * Some scripts specify the required events in their "xxx-record" file,
2713  * this function will check if the events in perf.data match those
2714  * mentioned in the "xxx-record".
2715  *
2716  * Fixme: All existing "xxx-record" are all in good formats "-e event ",
2717  * which is covered well now. And new parsing code should be added to
2718  * cover the future complexing formats like event groups etc.
2719  */
2720 static int check_ev_match(char *dir_name, char *scriptname,
2721                         struct perf_session *session)
2722 {
2723         char filename[MAXPATHLEN], evname[128];
2724         char line[BUFSIZ], *p;
2725         struct perf_evsel *pos;
2726         int match, len;
2727         FILE *fp;
2728
2729         scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
2730
2731         fp = fopen(filename, "r");
2732         if (!fp)
2733                 return -1;
2734
2735         while (fgets(line, sizeof(line), fp)) {
2736                 p = ltrim(line);
2737                 if (*p == '#')
2738                         continue;
2739
2740                 while (strlen(p)) {
2741                         p = strstr(p, "-e");
2742                         if (!p)
2743                                 break;
2744
2745                         p += 2;
2746                         p = ltrim(p);
2747                         len = strcspn(p, " \t");
2748                         if (!len)
2749                                 break;
2750
2751                         snprintf(evname, len + 1, "%s", p);
2752
2753                         match = 0;
2754                         evlist__for_each_entry(session->evlist, pos) {
2755                                 if (!strcmp(perf_evsel__name(pos), evname)) {
2756                                         match = 1;
2757                                         break;
2758                                 }
2759                         }
2760
2761                         if (!match) {
2762                                 fclose(fp);
2763                                 return -1;
2764                         }
2765                 }
2766         }
2767
2768         fclose(fp);
2769         return 0;
2770 }
2771
2772 /*
2773  * Return -1 if none is found, otherwise the actual scripts number.
2774  *
2775  * Currently the only user of this function is the script browser, which
2776  * will list all statically runnable scripts, select one, execute it and
2777  * show the output in a perf browser.
2778  */
2779 int find_scripts(char **scripts_array, char **scripts_path_array)
2780 {
2781         struct dirent *script_dirent, *lang_dirent;
2782         char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
2783         DIR *scripts_dir, *lang_dir;
2784         struct perf_session *session;
2785         struct perf_data data = {
2786                 .file      = {
2787                         .path = input_name,
2788                 },
2789                 .mode      = PERF_DATA_MODE_READ,
2790         };
2791         char *temp;
2792         int i = 0;
2793
2794         session = perf_session__new(&data, false, NULL);
2795         if (!session)
2796                 return -1;
2797
2798         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2799
2800         scripts_dir = opendir(scripts_path);
2801         if (!scripts_dir) {
2802                 perf_session__delete(session);
2803                 return -1;
2804         }
2805
2806         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2807                 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
2808                           lang_dirent->d_name);
2809 #ifndef HAVE_LIBPERL_SUPPORT
2810                 if (strstr(lang_path, "perl"))
2811                         continue;
2812 #endif
2813 #ifndef HAVE_LIBPYTHON_SUPPORT
2814                 if (strstr(lang_path, "python"))
2815                         continue;
2816 #endif
2817
2818                 lang_dir = opendir(lang_path);
2819                 if (!lang_dir)
2820                         continue;
2821
2822                 for_each_script(lang_path, lang_dir, script_dirent) {
2823                         /* Skip those real time scripts: xxxtop.p[yl] */
2824                         if (strstr(script_dirent->d_name, "top."))
2825                                 continue;
2826                         sprintf(scripts_path_array[i], "%s/%s", lang_path,
2827                                 script_dirent->d_name);
2828                         temp = strchr(script_dirent->d_name, '.');
2829                         snprintf(scripts_array[i],
2830                                 (temp - script_dirent->d_name) + 1,
2831                                 "%s", script_dirent->d_name);
2832
2833                         if (check_ev_match(lang_path,
2834                                         scripts_array[i], session))
2835                                 continue;
2836
2837                         i++;
2838                 }
2839                 closedir(lang_dir);
2840         }
2841
2842         closedir(scripts_dir);
2843         perf_session__delete(session);
2844         return i;
2845 }
2846
2847 static char *get_script_path(const char *script_root, const char *suffix)
2848 {
2849         struct dirent *script_dirent, *lang_dirent;
2850         char scripts_path[MAXPATHLEN];
2851         char script_path[MAXPATHLEN];
2852         DIR *scripts_dir, *lang_dir;
2853         char lang_path[MAXPATHLEN];
2854         char *__script_root;
2855
2856         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2857
2858         scripts_dir = opendir(scripts_path);
2859         if (!scripts_dir)
2860                 return NULL;
2861
2862         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2863                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
2864                           lang_dirent->d_name);
2865                 lang_dir = opendir(lang_path);
2866                 if (!lang_dir)
2867                         continue;
2868
2869                 for_each_script(lang_path, lang_dir, script_dirent) {
2870                         __script_root = get_script_root(script_dirent, suffix);
2871                         if (__script_root && !strcmp(script_root, __script_root)) {
2872                                 free(__script_root);
2873                                 closedir(lang_dir);
2874                                 closedir(scripts_dir);
2875                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
2876                                           lang_path, script_dirent->d_name);
2877                                 return strdup(script_path);
2878                         }
2879                         free(__script_root);
2880                 }
2881                 closedir(lang_dir);
2882         }
2883         closedir(scripts_dir);
2884
2885         return NULL;
2886 }
2887
2888 static bool is_top_script(const char *script_path)
2889 {
2890         return ends_with(script_path, "top") == NULL ? false : true;
2891 }
2892
2893 static int has_required_arg(char *script_path)
2894 {
2895         struct script_desc *desc;
2896         int n_args = 0;
2897         char *p;
2898
2899         desc = script_desc__new(NULL);
2900
2901         if (read_script_info(desc, script_path))
2902                 goto out;
2903
2904         if (!desc->args)
2905                 goto out;
2906
2907         for (p = desc->args; *p; p++)
2908                 if (*p == '<')
2909                         n_args++;
2910 out:
2911         script_desc__delete(desc);
2912
2913         return n_args;
2914 }
2915
2916 static int have_cmd(int argc, const char **argv)
2917 {
2918         char **__argv = malloc(sizeof(const char *) * argc);
2919
2920         if (!__argv) {
2921                 pr_err("malloc failed\n");
2922                 return -1;
2923         }
2924
2925         memcpy(__argv, argv, sizeof(const char *) * argc);
2926         argc = parse_options(argc, (const char **)__argv, record_options,
2927                              NULL, PARSE_OPT_STOP_AT_NON_OPTION);
2928         free(__argv);
2929
2930         system_wide = (argc == 0);
2931
2932         return 0;
2933 }
2934
2935 static void script__setup_sample_type(struct perf_script *script)
2936 {
2937         struct perf_session *session = script->session;
2938         u64 sample_type = perf_evlist__combined_sample_type(session->evlist);
2939
2940         if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
2941                 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
2942                     (sample_type & PERF_SAMPLE_STACK_USER)) {
2943                         callchain_param.record_mode = CALLCHAIN_DWARF;
2944                         dwarf_callchain_users = true;
2945                 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
2946                         callchain_param.record_mode = CALLCHAIN_LBR;
2947                 else
2948                         callchain_param.record_mode = CALLCHAIN_FP;
2949         }
2950 }
2951
2952 static int process_stat_round_event(struct perf_tool *tool __maybe_unused,
2953                                     union perf_event *event,
2954                                     struct perf_session *session)
2955 {
2956         struct stat_round_event *round = &event->stat_round;
2957         struct perf_evsel *counter;
2958
2959         evlist__for_each_entry(session->evlist, counter) {
2960                 perf_stat_process_counter(&stat_config, counter);
2961                 process_stat(counter, round->time);
2962         }
2963
2964         process_stat_interval(round->time);
2965         return 0;
2966 }
2967
2968 static int process_stat_config_event(struct perf_tool *tool __maybe_unused,
2969                                      union perf_event *event,
2970                                      struct perf_session *session __maybe_unused)
2971 {
2972         perf_event__read_stat_config(&stat_config, &event->stat_config);
2973         return 0;
2974 }
2975
2976 static int set_maps(struct perf_script *script)
2977 {
2978         struct perf_evlist *evlist = script->session->evlist;
2979
2980         if (!script->cpus || !script->threads)
2981                 return 0;
2982
2983         if (WARN_ONCE(script->allocated, "stats double allocation\n"))
2984                 return -EINVAL;
2985
2986         perf_evlist__set_maps(evlist, script->cpus, script->threads);
2987
2988         if (perf_evlist__alloc_stats(evlist, true))
2989                 return -ENOMEM;
2990
2991         script->allocated = true;
2992         return 0;
2993 }
2994
2995 static
2996 int process_thread_map_event(struct perf_tool *tool,
2997                              union perf_event *event,
2998                              struct perf_session *session __maybe_unused)
2999 {
3000         struct perf_script *script = container_of(tool, struct perf_script, tool);
3001
3002         if (script->threads) {
3003                 pr_warning("Extra thread map event, ignoring.\n");
3004                 return 0;
3005         }
3006
3007         script->threads = thread_map__new_event(&event->thread_map);
3008         if (!script->threads)
3009                 return -ENOMEM;
3010
3011         return set_maps(script);
3012 }
3013
3014 static
3015 int process_cpu_map_event(struct perf_tool *tool __maybe_unused,
3016                           union perf_event *event,
3017                           struct perf_session *session __maybe_unused)
3018 {
3019         struct perf_script *script = container_of(tool, struct perf_script, tool);
3020
3021         if (script->cpus) {
3022                 pr_warning("Extra cpu map event, ignoring.\n");
3023                 return 0;
3024         }
3025
3026         script->cpus = cpu_map__new_data(&event->cpu_map.data);
3027         if (!script->cpus)
3028                 return -ENOMEM;
3029
3030         return set_maps(script);
3031 }
3032
3033 #ifdef HAVE_AUXTRACE_SUPPORT
3034 static int perf_script__process_auxtrace_info(struct perf_tool *tool,
3035                                               union perf_event *event,
3036                                               struct perf_session *session)
3037 {
3038         int ret = perf_event__process_auxtrace_info(tool, event, session);
3039
3040         if (ret == 0) {
3041                 struct perf_script *script = container_of(tool, struct perf_script, tool);
3042
3043                 ret = perf_script__setup_per_event_dump(script);
3044         }
3045
3046         return ret;
3047 }
3048 #else
3049 #define perf_script__process_auxtrace_info 0
3050 #endif
3051
3052 int cmd_script(int argc, const char **argv)
3053 {
3054         bool show_full_info = false;
3055         bool header = false;
3056         bool header_only = false;
3057         bool script_started = false;
3058         char *rec_script_path = NULL;
3059         char *rep_script_path = NULL;
3060         struct perf_session *session;
3061         struct itrace_synth_opts itrace_synth_opts = { .set = false, };
3062         char *script_path = NULL;
3063         const char **__argv;
3064         int i, j, err = 0;
3065         struct perf_script script = {
3066                 .tool = {
3067                         .sample          = process_sample_event,
3068                         .mmap            = perf_event__process_mmap,
3069                         .mmap2           = perf_event__process_mmap2,
3070                         .comm            = perf_event__process_comm,
3071                         .namespaces      = perf_event__process_namespaces,
3072                         .exit            = perf_event__process_exit,
3073                         .fork            = perf_event__process_fork,
3074                         .attr            = process_attr,
3075                         .event_update   = perf_event__process_event_update,
3076                         .tracing_data    = perf_event__process_tracing_data,
3077                         .feature         = perf_event__process_feature,
3078                         .build_id        = perf_event__process_build_id,
3079                         .id_index        = perf_event__process_id_index,
3080                         .auxtrace_info   = perf_script__process_auxtrace_info,
3081                         .auxtrace        = perf_event__process_auxtrace,
3082                         .auxtrace_error  = perf_event__process_auxtrace_error,
3083                         .stat            = perf_event__process_stat_event,
3084                         .stat_round      = process_stat_round_event,
3085                         .stat_config     = process_stat_config_event,
3086                         .thread_map      = process_thread_map_event,
3087                         .cpu_map         = process_cpu_map_event,
3088                         .ordered_events  = true,
3089                         .ordering_requires_timestamps = true,
3090                 },
3091         };
3092         struct perf_data data = {
3093                 .mode = PERF_DATA_MODE_READ,
3094         };
3095         const struct option options[] = {
3096         OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3097                     "dump raw trace in ASCII"),
3098         OPT_INCR('v', "verbose", &verbose,
3099                  "be more verbose (show symbol address, etc)"),
3100         OPT_BOOLEAN('L', "Latency", &latency_format,
3101                     "show latency attributes (irqs/preemption disabled, etc)"),
3102         OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3103                            list_available_scripts),
3104         OPT_CALLBACK('s', "script", NULL, "name",
3105                      "script file name (lang:script name, script name, or *)",
3106                      parse_scriptname),
3107         OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3108                    "generate perf-script.xx script in specified language"),
3109         OPT_STRING('i', "input", &input_name, "file", "input file name"),
3110         OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3111                    "do various checks like samples ordering and lost events"),
3112         OPT_BOOLEAN(0, "header", &header, "Show data header."),
3113         OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3114         OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3115                    "file", "vmlinux pathname"),
3116         OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3117                    "file", "kallsyms pathname"),
3118         OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3119                     "When printing symbols do not display call chain"),
3120         OPT_CALLBACK(0, "symfs", NULL, "directory",
3121                      "Look for files with symbols relative to this directory",
3122                      symbol__config_symfs),
3123         OPT_CALLBACK('F', "fields", NULL, "str",
3124                      "comma separated output fields prepend with 'type:'. "
3125                      "+field to add and -field to remove."
3126                      "Valid types: hw,sw,trace,raw,synth. "
3127                      "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
3128                      "addr,symoff,period,iregs,uregs,brstack,brstacksym,flags,"
3129                      "bpf-output,callindent,insn,insnlen,brstackinsn,synth,phys_addr",
3130                      parse_output_fields),
3131         OPT_BOOLEAN('a', "all-cpus", &system_wide,
3132                     "system-wide collection from all CPUs"),
3133         OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3134                    "only consider these symbols"),
3135         OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3136                    "Stop display of callgraph at these symbols"),
3137         OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3138         OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3139                    "only display events for these comms"),
3140         OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3141                    "only consider symbols in these pids"),
3142         OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3143                    "only consider symbols in these tids"),
3144         OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3145                      "Set the maximum stack depth when parsing the callchain, "
3146                      "anything beyond the specified depth will be ignored. "
3147                      "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3148         OPT_BOOLEAN('I', "show-info", &show_full_info,
3149                     "display extended information from perf.data file"),
3150         OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3151                     "Show the path of [kernel.kallsyms]"),
3152         OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3153                     "Show the fork/comm/exit events"),
3154         OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3155                     "Show the mmap events"),
3156         OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3157                     "Show context switch events (if recorded)"),
3158         OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3159                     "Show namespace events (if recorded)"),
3160         OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3161                     "Show lost events (if recorded)"),
3162         OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3163                     "Show round events (if recorded)"),
3164         OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
3165                     "Dump trace output to files named by the monitored events"),
3166         OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3167         OPT_INTEGER(0, "max-blocks", &max_blocks,
3168                     "Maximum number of code blocks to dump with brstackinsn"),
3169         OPT_BOOLEAN(0, "ns", &nanosecs,
3170                     "Use 9 decimal places when displaying time"),
3171         OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
3172                             "Instruction Tracing options",
3173                             itrace_parse_synth_opts),
3174         OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
3175                         "Show full source file name path for source lines"),
3176         OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
3177                         "Enable symbol demangling"),
3178         OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
3179                         "Enable kernel symbol demangling"),
3180         OPT_STRING(0, "time", &script.time_str, "str",
3181                    "Time span of interest (start,stop)"),
3182         OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
3183                     "Show inline function"),
3184         OPT_END()
3185         };
3186         const char * const script_subcommands[] = { "record", "report", NULL };
3187         const char *script_usage[] = {
3188                 "perf script [<options>]",
3189                 "perf script [<options>] record <script> [<record-options>] <command>",
3190                 "perf script [<options>] report <script> [script-args]",
3191                 "perf script [<options>] <script> [<record-options>] <command>",
3192                 "perf script [<options>] <top-script> [script-args]",
3193                 NULL
3194         };
3195
3196         perf_set_singlethreaded();
3197
3198         setup_scripting();
3199
3200         argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3201                              PARSE_OPT_STOP_AT_NON_OPTION);
3202
3203         data.file.path = input_name;
3204         data.force     = symbol_conf.force;
3205
3206         if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
3207                 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
3208                 if (!rec_script_path)
3209                         return cmd_record(argc, argv);
3210         }
3211
3212         if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
3213                 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
3214                 if (!rep_script_path) {
3215                         fprintf(stderr,
3216                                 "Please specify a valid report script"
3217                                 "(see 'perf script -l' for listing)\n");
3218                         return -1;
3219                 }
3220         }
3221
3222         if (itrace_synth_opts.callchain &&
3223             itrace_synth_opts.callchain_sz > scripting_max_stack)
3224                 scripting_max_stack = itrace_synth_opts.callchain_sz;
3225
3226         /* make sure PERF_EXEC_PATH is set for scripts */
3227         set_argv_exec_path(get_argv_exec_path());
3228
3229         if (argc && !script_name && !rec_script_path && !rep_script_path) {
3230                 int live_pipe[2];
3231                 int rep_args;
3232                 pid_t pid;
3233
3234                 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
3235                 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
3236
3237                 if (!rec_script_path && !rep_script_path) {
3238                         usage_with_options_msg(script_usage, options,
3239                                 "Couldn't find script `%s'\n\n See perf"
3240                                 " script -l for available scripts.\n", argv[0]);
3241                 }
3242
3243                 if (is_top_script(argv[0])) {
3244                         rep_args = argc - 1;
3245                 } else {
3246                         int rec_args;
3247
3248                         rep_args = has_required_arg(rep_script_path);
3249                         rec_args = (argc - 1) - rep_args;
3250                         if (rec_args < 0) {
3251                                 usage_with_options_msg(script_usage, options,
3252                                         "`%s' script requires options."
3253                                         "\n\n See perf script -l for available "
3254                                         "scripts and options.\n", argv[0]);
3255                         }
3256                 }
3257
3258                 if (pipe(live_pipe) < 0) {
3259                         perror("failed to create pipe");
3260                         return -1;
3261                 }
3262
3263                 pid = fork();
3264                 if (pid < 0) {
3265                         perror("failed to fork");
3266                         return -1;
3267                 }
3268
3269                 if (!pid) {
3270                         j = 0;
3271
3272                         dup2(live_pipe[1], 1);
3273                         close(live_pipe[0]);
3274
3275                         if (is_top_script(argv[0])) {
3276                                 system_wide = true;
3277                         } else if (!system_wide) {
3278                                 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
3279                                         err = -1;
3280                                         goto out;
3281                                 }
3282                         }
3283
3284                         __argv = malloc((argc + 6) * sizeof(const char *));
3285                         if (!__argv) {
3286                                 pr_err("malloc failed\n");
3287                                 err = -ENOMEM;
3288                                 goto out;
3289                         }
3290
3291                         __argv[j++] = "/bin/sh";
3292                         __argv[j++] = rec_script_path;
3293                         if (system_wide)
3294                                 __argv[j++] = "-a";
3295                         __argv[j++] = "-q";
3296                         __argv[j++] = "-o";
3297                         __argv[j++] = "-";
3298                         for (i = rep_args + 1; i < argc; i++)
3299                                 __argv[j++] = argv[i];
3300                         __argv[j++] = NULL;
3301
3302                         execvp("/bin/sh", (char **)__argv);
3303                         free(__argv);
3304                         exit(-1);
3305                 }
3306
3307                 dup2(live_pipe[0], 0);
3308                 close(live_pipe[1]);
3309
3310                 __argv = malloc((argc + 4) * sizeof(const char *));
3311                 if (!__argv) {
3312                         pr_err("malloc failed\n");
3313                         err = -ENOMEM;
3314                         goto out;
3315                 }
3316
3317                 j = 0;
3318                 __argv[j++] = "/bin/sh";
3319                 __argv[j++] = rep_script_path;
3320                 for (i = 1; i < rep_args + 1; i++)
3321                         __argv[j++] = argv[i];
3322                 __argv[j++] = "-i";
3323                 __argv[j++] = "-";
3324                 __argv[j++] = NULL;
3325
3326                 execvp("/bin/sh", (char **)__argv);
3327                 free(__argv);
3328                 exit(-1);
3329         }
3330
3331         if (rec_script_path)
3332                 script_path = rec_script_path;
3333         if (rep_script_path)
3334                 script_path = rep_script_path;
3335
3336         if (script_path) {
3337                 j = 0;
3338
3339                 if (!rec_script_path)
3340                         system_wide = false;
3341                 else if (!system_wide) {
3342                         if (have_cmd(argc - 1, &argv[1]) != 0) {
3343                                 err = -1;
3344                                 goto out;
3345                         }
3346                 }
3347
3348                 __argv = malloc((argc + 2) * sizeof(const char *));
3349                 if (!__argv) {
3350                         pr_err("malloc failed\n");
3351                         err = -ENOMEM;
3352                         goto out;
3353                 }
3354
3355                 __argv[j++] = "/bin/sh";
3356                 __argv[j++] = script_path;
3357                 if (system_wide)
3358                         __argv[j++] = "-a";
3359                 for (i = 2; i < argc; i++)
3360                         __argv[j++] = argv[i];
3361                 __argv[j++] = NULL;
3362
3363                 execvp("/bin/sh", (char **)__argv);
3364                 free(__argv);
3365                 exit(-1);
3366         }
3367
3368         if (!script_name)
3369                 setup_pager();
3370
3371         session = perf_session__new(&data, false, &script.tool);
3372         if (session == NULL)
3373                 return -1;
3374
3375         if (header || header_only) {
3376                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
3377                 perf_session__fprintf_info(session, stdout, show_full_info);
3378                 if (header_only)
3379                         goto out_delete;
3380         }
3381         if (show_full_info)
3382                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
3383
3384         if (symbol__init(&session->header.env) < 0)
3385                 goto out_delete;
3386
3387         script.session = session;
3388         script__setup_sample_type(&script);
3389
3390         if (output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT)
3391                 itrace_synth_opts.thread_stack = true;
3392
3393         session->itrace_synth_opts = &itrace_synth_opts;
3394
3395         if (cpu_list) {
3396                 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
3397                 if (err < 0)
3398                         goto out_delete;
3399                 itrace_synth_opts.cpu_bitmap = cpu_bitmap;
3400         }
3401
3402         if (!no_callchain)
3403                 symbol_conf.use_callchain = true;
3404         else
3405                 symbol_conf.use_callchain = false;
3406
3407         if (session->tevent.pevent &&
3408             pevent_set_function_resolver(session->tevent.pevent,
3409                                          machine__resolve_kernel_addr,
3410                                          &session->machines.host) < 0) {
3411                 pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
3412                 err = -1;
3413                 goto out_delete;
3414         }
3415
3416         if (generate_script_lang) {
3417                 struct stat perf_stat;
3418                 int input;
3419
3420                 if (output_set_by_user()) {
3421                         fprintf(stderr,
3422                                 "custom fields not supported for generated scripts");
3423                         err = -EINVAL;
3424                         goto out_delete;
3425                 }
3426
3427                 input = open(data.file.path, O_RDONLY); /* input_name */
3428                 if (input < 0) {
3429                         err = -errno;
3430                         perror("failed to open file");
3431                         goto out_delete;
3432                 }
3433
3434                 err = fstat(input, &perf_stat);
3435                 if (err < 0) {
3436                         perror("failed to stat file");
3437                         goto out_delete;
3438                 }
3439
3440                 if (!perf_stat.st_size) {
3441                         fprintf(stderr, "zero-sized file, nothing to do!\n");
3442                         goto out_delete;
3443                 }
3444
3445                 scripting_ops = script_spec__lookup(generate_script_lang);
3446                 if (!scripting_ops) {
3447                         fprintf(stderr, "invalid language specifier");
3448                         err = -ENOENT;
3449                         goto out_delete;
3450                 }
3451
3452                 err = scripting_ops->generate_script(session->tevent.pevent,
3453                                                      "perf-script");
3454                 goto out_delete;
3455         }
3456
3457         if (script_name) {
3458                 err = scripting_ops->start_script(script_name, argc, argv);
3459                 if (err)
3460                         goto out_delete;
3461                 pr_debug("perf script started with script %s\n\n", script_name);
3462                 script_started = true;
3463         }
3464
3465
3466         err = perf_session__check_output_opt(session);
3467         if (err < 0)
3468                 goto out_delete;
3469
3470         script.ptime_range = perf_time__range_alloc(script.time_str,
3471                                                     &script.range_size);
3472         if (!script.ptime_range) {
3473                 err = -ENOMEM;
3474                 goto out_delete;
3475         }
3476
3477         /* needs to be parsed after looking up reference time */
3478         if (perf_time__parse_str(script.ptime_range, script.time_str) != 0) {
3479                 if (session->evlist->first_sample_time == 0 &&
3480                     session->evlist->last_sample_time == 0) {
3481                         pr_err("HINT: no first/last sample time found in perf data.\n"
3482                                "Please use latest perf binary to execute 'perf record'\n"
3483                                "(if '--buildid-all' is enabled, please set '--timestamp-boundary').\n");
3484                         err = -EINVAL;
3485                         goto out_delete;
3486                 }
3487
3488                 script.range_num = perf_time__percent_parse_str(
3489                                         script.ptime_range, script.range_size,
3490                                         script.time_str,
3491                                         session->evlist->first_sample_time,
3492                                         session->evlist->last_sample_time);
3493
3494                 if (script.range_num < 0) {
3495                         pr_err("Invalid time string\n");
3496                         err = -EINVAL;
3497                         goto out_delete;
3498                 }
3499         } else {
3500                 script.range_num = 1;
3501         }
3502
3503         err = __cmd_script(&script);
3504
3505         flush_scripting();
3506
3507 out_delete:
3508         zfree(&script.ptime_range);
3509
3510         perf_evlist__free_stats(session->evlist);
3511         perf_session__delete(session);
3512
3513         if (script_started)
3514                 cleanup_scripting();
3515 out:
3516         return err;
3517 }