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/map.h"
  14 #include "util/symbol.h"
  15 #include "util/thread.h"
  16 #include "util/trace-event.h"
  17 #include "util/util.h"
  18 #include "util/evlist.h"
  19 #include "util/evsel.h"
  20 #include "util/sort.h"
  21 #include "util/data.h"
  22 #include "util/auxtrace.h"
  23 #include "util/cpumap.h"
  24 #include "util/thread_map.h"
  25 #include "util/stat.h"
  26 #include "util/color.h"
  27 #include "util/string2.h"
  28 #include "util/thread-stack.h"
  29 #include "util/time-utils.h"
  30 #include "util/path.h"
  31 #include "print_binary.h"
  32 #include <linux/bitmap.h>
  33 #include <linux/kernel.h>
  34 #include <linux/stringify.h>
  35 #include <linux/time64.h>
  36 #include "asm/bug.h"
  37 #include "util/mem-events.h"
  38 #include "util/dump-insn.h"
  39 #include <dirent.h>
  40 #include <errno.h>
  41 #include <inttypes.h>
  42 #include <signal.h>
  43 #include <sys/param.h>
  44 #include <sys/types.h>
  45 #include <sys/stat.h>
  46 #include <fcntl.h>
  47 #include <unistd.h>
  48 #include <subcmd/pager.h>
  49
  50 #include "sane_ctype.h"
  51
  52 static char const               *script_name;
  53 static char const               *generate_script_lang;
  54 static bool                     debug_mode;
  55 static u64                      last_timestamp;
  56 static u64                      nr_unordered;
  57 static bool                     no_callchain;
  58 static bool                     latency_format;
  59 static bool                     system_wide;
  60 static bool                     print_flags;
  61 static bool                     nanosecs;
  62 static const char               *cpu_list;
  63 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
  64 static struct perf_stat_config  stat_config;
  65 static int                      max_blocks;
  66
  67 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
  68
  69 enum perf_output_field {
  70         PERF_OUTPUT_COMM            = 1U << 0,
  71         PERF_OUTPUT_TID             = 1U << 1,
  72         PERF_OUTPUT_PID             = 1U << 2,
  73         PERF_OUTPUT_TIME            = 1U << 3,
  74         PERF_OUTPUT_CPU             = 1U << 4,
  75         PERF_OUTPUT_EVNAME          = 1U << 5,
  76         PERF_OUTPUT_TRACE           = 1U << 6,
  77         PERF_OUTPUT_IP              = 1U << 7,
  78         PERF_OUTPUT_SYM             = 1U << 8,
  79         PERF_OUTPUT_DSO             = 1U << 9,
  80         PERF_OUTPUT_ADDR            = 1U << 10,
  81         PERF_OUTPUT_SYMOFFSET       = 1U << 11,
  82         PERF_OUTPUT_SRCLINE         = 1U << 12,
  83         PERF_OUTPUT_PERIOD          = 1U << 13,
  84         PERF_OUTPUT_IREGS           = 1U << 14,
  85         PERF_OUTPUT_BRSTACK         = 1U << 15,
  86         PERF_OUTPUT_BRSTACKSYM      = 1U << 16,
  87         PERF_OUTPUT_DATA_SRC        = 1U << 17,
  88         PERF_OUTPUT_WEIGHT          = 1U << 18,
  89         PERF_OUTPUT_BPF_OUTPUT      = 1U << 19,
  90         PERF_OUTPUT_CALLINDENT      = 1U << 20,
  91         PERF_OUTPUT_INSN            = 1U << 21,
  92         PERF_OUTPUT_INSNLEN         = 1U << 22,
  93         PERF_OUTPUT_BRSTACKINSN     = 1U << 23,
  94         PERF_OUTPUT_BRSTACKOFF      = 1U << 24,
  95         PERF_OUTPUT_SYNTH           = 1U << 25,
  96         PERF_OUTPUT_PHYS_ADDR       = 1U << 26,
  97         PERF_OUTPUT_UREGS           = 1U << 27,
  98         PERF_OUTPUT_METRIC          = 1U << 28,
  99         PERF_OUTPUT_MISC            = 1U << 29,
 100         PERF_OUTPUT_SRCCODE         = 1U << 30,
 101 };
 102
 103 struct output_option {
 104         const char *str;
 105         enum perf_output_field field;
 106 } all_output_options[] = {
 107         {.str = "comm",  .field = PERF_OUTPUT_COMM},
 108         {.str = "tid",   .field = PERF_OUTPUT_TID},
 109         {.str = "pid",   .field = PERF_OUTPUT_PID},
 110         {.str = "time",  .field = PERF_OUTPUT_TIME},
 111         {.str = "cpu",   .field = PERF_OUTPUT_CPU},
 112         {.str = "event", .field = PERF_OUTPUT_EVNAME},
 113         {.str = "trace", .field = PERF_OUTPUT_TRACE},
 114         {.str = "ip",    .field = PERF_OUTPUT_IP},
 115         {.str = "sym",   .field = PERF_OUTPUT_SYM},
 116         {.str = "dso",   .field = PERF_OUTPUT_DSO},
 117         {.str = "addr",  .field = PERF_OUTPUT_ADDR},
 118         {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
 119         {.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
 120         {.str = "period", .field = PERF_OUTPUT_PERIOD},
 121         {.str = "iregs", .field = PERF_OUTPUT_IREGS},
 122         {.str = "uregs", .field = PERF_OUTPUT_UREGS},
 123         {.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
 124         {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
 125         {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
 126         {.str = "weight",   .field = PERF_OUTPUT_WEIGHT},
 127         {.str = "bpf-output",   .field = PERF_OUTPUT_BPF_OUTPUT},
 128         {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
 129         {.str = "insn", .field = PERF_OUTPUT_INSN},
 130         {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
 131         {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
 132         {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
 133         {.str = "synth", .field = PERF_OUTPUT_SYNTH},
 134         {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
 135         {.str = "metric", .field = PERF_OUTPUT_METRIC},
 136         {.str = "misc", .field = PERF_OUTPUT_MISC},
 137         {.str = "srccode", .field = PERF_OUTPUT_SRCCODE},
 138 };
 139
 140 enum {
 141         OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
 142         OUTPUT_TYPE_MAX
 143 };
 144
 145 /* default set to maintain compatibility with current format */
 146 static struct {
 147         bool user_set;
 148         bool wildcard_set;
 149         unsigned int print_ip_opts;
 150         u64 fields;
 151         u64 invalid_fields;
 152         u64 user_set_fields;
 153 } output[OUTPUT_TYPE_MAX] = {
 154
 155         [PERF_TYPE_HARDWARE] = {
 156                 .user_set = false,
 157
 158                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 159                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 160                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 161                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 162                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 163
 164                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 165         },
 166
 167         [PERF_TYPE_SOFTWARE] = {
 168                 .user_set = false,
 169
 170                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 171                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 172                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 173                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 174                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
 175                               PERF_OUTPUT_BPF_OUTPUT,
 176
 177                 .invalid_fields = PERF_OUTPUT_TRACE,
 178         },
 179
 180         [PERF_TYPE_TRACEPOINT] = {
 181                 .user_set = false,
 182
 183                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 184                                   PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 185                                   PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
 186         },
 187
 188         [PERF_TYPE_HW_CACHE] = {
 189                 .user_set = false,
 190
 191                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 192                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 193                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 194                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 195                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 196
 197                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 198         },
 199
 200         [PERF_TYPE_RAW] = {
 201                 .user_set = false,
 202
 203                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 204                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 205                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 206                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 207                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
 208                               PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
 209                               PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR,
 210
 211                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 212         },
 213
 214         [PERF_TYPE_BREAKPOINT] = {
 215                 .user_set = false,
 216
 217                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 218                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 219                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 220                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 221                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 222
 223                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 224         },
 225
 226         [OUTPUT_TYPE_SYNTH] = {
 227                 .user_set = false,
 228
 229                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 230                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 231                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 232                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 233                               PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH,
 234
 235                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 236         },
 237 };
 238
 239 struct perf_evsel_script {
 240        char *filename;
 241        FILE *fp;
 242        u64  samples;
 243        /* For metric output */
 244        u64  val;
 245        int  gnum;
 246 };
 247
 248 static inline struct perf_evsel_script *evsel_script(struct perf_evsel *evsel)
 249 {
 250         return (struct perf_evsel_script *)evsel->priv;
 251 }
 252
 253 static struct perf_evsel_script *perf_evsel_script__new(struct perf_evsel *evsel,
 254                                                         struct perf_data *data)
 255 {
 256         struct perf_evsel_script *es = zalloc(sizeof(*es));
 257
 258         if (es != NULL) {
 259                 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, perf_evsel__name(evsel)) < 0)
 260                         goto out_free;
 261                 es->fp = fopen(es->filename, "w");
 262                 if (es->fp == NULL)
 263                         goto out_free_filename;
 264         }
 265
 266         return es;
 267 out_free_filename:
 268         zfree(&es->filename);
 269 out_free:
 270         free(es);
 271         return NULL;
 272 }
 273
 274 static void perf_evsel_script__delete(struct perf_evsel_script *es)
 275 {
 276         zfree(&es->filename);
 277         fclose(es->fp);
 278         es->fp = NULL;
 279         free(es);
 280 }
 281
 282 static int perf_evsel_script__fprintf(struct perf_evsel_script *es, FILE *fp)
 283 {
 284         struct stat st;
 285
 286         fstat(fileno(es->fp), &st);
 287         return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
 288                        st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
 289 }
 290
 291 static inline int output_type(unsigned int type)
 292 {
 293         switch (type) {
 294         case PERF_TYPE_SYNTH:
 295                 return OUTPUT_TYPE_SYNTH;
 296         default:
 297                 return type;
 298         }
 299 }
 300
 301 static inline unsigned int attr_type(unsigned int type)
 302 {
 303         switch (type) {
 304         case OUTPUT_TYPE_SYNTH:
 305                 return PERF_TYPE_SYNTH;
 306         default:
 307                 return type;
 308         }
 309 }
 310
 311 static bool output_set_by_user(void)
 312 {
 313         int j;
 314         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 315                 if (output[j].user_set)
 316                         return true;
 317         }
 318         return false;
 319 }
 320
 321 static const char *output_field2str(enum perf_output_field field)
 322 {
 323         int i, imax = ARRAY_SIZE(all_output_options);
 324         const char *str = "";
 325
 326         for (i = 0; i < imax; ++i) {
 327                 if (all_output_options[i].field == field) {
 328                         str = all_output_options[i].str;
 329                         break;
 330                 }
 331         }
 332         return str;
 333 }
 334
 335 #define PRINT_FIELD(x)  (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
 336
 337 static int perf_evsel__do_check_stype(struct perf_evsel *evsel,
 338                                       u64 sample_type, const char *sample_msg,
 339                                       enum perf_output_field field,
 340                                       bool allow_user_set)
 341 {
 342         struct perf_event_attr *attr = &evsel->attr;
 343         int type = output_type(attr->type);
 344         const char *evname;
 345
 346         if (attr->sample_type & sample_type)
 347                 return 0;
 348
 349         if (output[type].user_set_fields & field) {
 350                 if (allow_user_set)
 351                         return 0;
 352                 evname = perf_evsel__name(evsel);
 353                 pr_err("Samples for '%s' event do not have %s attribute set. "
 354                        "Cannot print '%s' field.\n",
 355                        evname, sample_msg, output_field2str(field));
 356                 return -1;
 357         }
 358
 359         /* user did not ask for it explicitly so remove from the default list */
 360         output[type].fields &= ~field;
 361         evname = perf_evsel__name(evsel);
 362         pr_debug("Samples for '%s' event do not have %s attribute set. "
 363                  "Skipping '%s' field.\n",
 364                  evname, sample_msg, output_field2str(field));
 365
 366         return 0;
 367 }
 368
 369 static int perf_evsel__check_stype(struct perf_evsel *evsel,
 370                                    u64 sample_type, const char *sample_msg,
 371                                    enum perf_output_field field)
 372 {
 373         return perf_evsel__do_check_stype(evsel, sample_type, sample_msg, field,
 374                                           false);
 375 }
 376
 377 static int perf_evsel__check_attr(struct perf_evsel *evsel,
 378                                   struct perf_session *session)
 379 {
 380         struct perf_event_attr *attr = &evsel->attr;
 381         bool allow_user_set;
 382
 383         if (perf_header__has_feat(&session->header, HEADER_STAT))
 384                 return 0;
 385
 386         allow_user_set = perf_header__has_feat(&session->header,
 387                                                HEADER_AUXTRACE);
 388
 389         if (PRINT_FIELD(TRACE) &&
 390                 !perf_session__has_traces(session, "record -R"))
 391                 return -EINVAL;
 392
 393         if (PRINT_FIELD(IP)) {
 394                 if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP",
 395                                             PERF_OUTPUT_IP))
 396                         return -EINVAL;
 397         }
 398
 399         if (PRINT_FIELD(ADDR) &&
 400                 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR",
 401                                            PERF_OUTPUT_ADDR, allow_user_set))
 402                 return -EINVAL;
 403
 404         if (PRINT_FIELD(DATA_SRC) &&
 405                 perf_evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC",
 406                                         PERF_OUTPUT_DATA_SRC))
 407                 return -EINVAL;
 408
 409         if (PRINT_FIELD(WEIGHT) &&
 410                 perf_evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT",
 411                                         PERF_OUTPUT_WEIGHT))
 412                 return -EINVAL;
 413
 414         if (PRINT_FIELD(SYM) &&
 415                 !(evsel->attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
 416                 pr_err("Display of symbols requested but neither sample IP nor "
 417                            "sample address\navailable. Hence, no addresses to convert "
 418                        "to symbols.\n");
 419                 return -EINVAL;
 420         }
 421         if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
 422                 pr_err("Display of offsets requested but symbol is not"
 423                        "selected.\n");
 424                 return -EINVAL;
 425         }
 426         if (PRINT_FIELD(DSO) &&
 427                 !(evsel->attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
 428                 pr_err("Display of DSO requested but no address to convert.\n");
 429                 return -EINVAL;
 430         }
 431         if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) {
 432                 pr_err("Display of source line number requested but sample IP is not\n"
 433                        "selected. Hence, no address to lookup the source line number.\n");
 434                 return -EINVAL;
 435         }
 436         if (PRINT_FIELD(BRSTACKINSN) &&
 437             !(perf_evlist__combined_branch_type(session->evlist) &
 438               PERF_SAMPLE_BRANCH_ANY)) {
 439                 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
 440                        "Hint: run 'perf record -b ...'\n");
 441                 return -EINVAL;
 442         }
 443         if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
 444                 perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID",
 445                                         PERF_OUTPUT_TID|PERF_OUTPUT_PID))
 446                 return -EINVAL;
 447
 448         if (PRINT_FIELD(TIME) &&
 449                 perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME",
 450                                         PERF_OUTPUT_TIME))
 451                 return -EINVAL;
 452
 453         if (PRINT_FIELD(CPU) &&
 454                 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU",
 455                                            PERF_OUTPUT_CPU, allow_user_set))
 456                 return -EINVAL;
 457
 458         if (PRINT_FIELD(IREGS) &&
 459                 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS",
 460                                         PERF_OUTPUT_IREGS))
 461                 return -EINVAL;
 462
 463         if (PRINT_FIELD(UREGS) &&
 464                 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS",
 465                                         PERF_OUTPUT_UREGS))
 466                 return -EINVAL;
 467
 468         if (PRINT_FIELD(PHYS_ADDR) &&
 469                 perf_evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR",
 470                                         PERF_OUTPUT_PHYS_ADDR))
 471                 return -EINVAL;
 472
 473         return 0;
 474 }
 475
 476 static void set_print_ip_opts(struct perf_event_attr *attr)
 477 {
 478         unsigned int type = output_type(attr->type);
 479
 480         output[type].print_ip_opts = 0;
 481         if (PRINT_FIELD(IP))
 482                 output[type].print_ip_opts |= EVSEL__PRINT_IP;
 483
 484         if (PRINT_FIELD(SYM))
 485                 output[type].print_ip_opts |= EVSEL__PRINT_SYM;
 486
 487         if (PRINT_FIELD(DSO))
 488                 output[type].print_ip_opts |= EVSEL__PRINT_DSO;
 489
 490         if (PRINT_FIELD(SYMOFFSET))
 491                 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
 492
 493         if (PRINT_FIELD(SRCLINE))
 494                 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
 495 }
 496
 497 /*
 498  * verify all user requested events exist and the samples
 499  * have the expected data
 500  */
 501 static int perf_session__check_output_opt(struct perf_session *session)
 502 {
 503         unsigned int j;
 504         struct perf_evsel *evsel;
 505
 506         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 507                 evsel = perf_session__find_first_evtype(session, attr_type(j));
 508
 509                 /*
 510                  * even if fields is set to 0 (ie., show nothing) event must
 511                  * exist if user explicitly includes it on the command line
 512                  */
 513                 if (!evsel && output[j].user_set && !output[j].wildcard_set &&
 514                     j != OUTPUT_TYPE_SYNTH) {
 515                         pr_err("%s events do not exist. "
 516                                "Remove corresponding -F option to proceed.\n",
 517                                event_type(j));
 518                         return -1;
 519                 }
 520
 521                 if (evsel && output[j].fields &&
 522                         perf_evsel__check_attr(evsel, session))
 523                         return -1;
 524
 525                 if (evsel == NULL)
 526                         continue;
 527
 528                 set_print_ip_opts(&evsel->attr);
 529         }
 530
 531         if (!no_callchain) {
 532                 bool use_callchain = false;
 533                 bool not_pipe = false;
 534
 535                 evlist__for_each_entry(session->evlist, evsel) {
 536                         not_pipe = true;
 537                         if (evsel__has_callchain(evsel)) {
 538                                 use_callchain = true;
 539                                 break;
 540                         }
 541                 }
 542                 if (not_pipe && !use_callchain)
 543                         symbol_conf.use_callchain = false;
 544         }
 545
 546         /*
 547          * set default for tracepoints to print symbols only
 548          * if callchains are present
 549          */
 550         if (symbol_conf.use_callchain &&
 551             !output[PERF_TYPE_TRACEPOINT].user_set) {
 552                 j = PERF_TYPE_TRACEPOINT;
 553
 554                 evlist__for_each_entry(session->evlist, evsel) {
 555                         if (evsel->attr.type != j)
 556                                 continue;
 557
 558                         if (evsel__has_callchain(evsel)) {
 559                                 output[j].fields |= PERF_OUTPUT_IP;
 560                                 output[j].fields |= PERF_OUTPUT_SYM;
 561                                 output[j].fields |= PERF_OUTPUT_SYMOFFSET;
 562                                 output[j].fields |= PERF_OUTPUT_DSO;
 563                                 set_print_ip_opts(&evsel->attr);
 564                                 goto out;
 565                         }
 566                 }
 567         }
 568
 569 out:
 570         return 0;
 571 }
 572
 573 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask,
 574                                      FILE *fp
 575 )
 576 {
 577         unsigned i = 0, r;
 578         int printed = 0;
 579
 580         if (!regs || !regs->regs)
 581                 return 0;
 582
 583         printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
 584
 585         for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
 586                 u64 val = regs->regs[i++];
 587                 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
 588         }
 589
 590         fprintf(fp, "\n");
 591
 592         return printed;
 593 }
 594
 595 static int perf_sample__fprintf_iregs(struct perf_sample *sample,
 596                                       struct perf_event_attr *attr, FILE *fp)
 597 {
 598         return perf_sample__fprintf_regs(&sample->intr_regs,
 599                                          attr->sample_regs_intr, fp);
 600 }
 601
 602 static int perf_sample__fprintf_uregs(struct perf_sample *sample,
 603                                       struct perf_event_attr *attr, FILE *fp)
 604 {
 605         return perf_sample__fprintf_regs(&sample->user_regs,
 606                                          attr->sample_regs_user, fp);
 607 }
 608
 609 static int perf_sample__fprintf_start(struct perf_sample *sample,
 610                                       struct thread *thread,
 611                                       struct perf_evsel *evsel,
 612                                       u32 type, FILE *fp)
 613 {
 614         struct perf_event_attr *attr = &evsel->attr;
 615         unsigned long secs;
 616         unsigned long long nsecs;
 617         int printed = 0;
 618
 619         if (PRINT_FIELD(COMM)) {
 620                 if (latency_format)
 621                         printed += fprintf(fp, "%8.8s ", thread__comm_str(thread));
 622                 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
 623                         printed += fprintf(fp, "%s ", thread__comm_str(thread));
 624                 else
 625                         printed += fprintf(fp, "%16s ", thread__comm_str(thread));
 626         }
 627
 628         if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
 629                 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid);
 630         else if (PRINT_FIELD(PID))
 631                 printed += fprintf(fp, "%5d ", sample->pid);
 632         else if (PRINT_FIELD(TID))
 633                 printed += fprintf(fp, "%5d ", sample->tid);
 634
 635         if (PRINT_FIELD(CPU)) {
 636                 if (latency_format)
 637                         printed += fprintf(fp, "%3d ", sample->cpu);
 638                 else
 639                         printed += fprintf(fp, "[%03d] ", sample->cpu);
 640         }
 641
 642         if (PRINT_FIELD(MISC)) {
 643                 int ret = 0;
 644
 645                 #define has(m) \
 646                         (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
 647
 648                 if (has(KERNEL))
 649                         ret += fprintf(fp, "K");
 650                 if (has(USER))
 651                         ret += fprintf(fp, "U");
 652                 if (has(HYPERVISOR))
 653                         ret += fprintf(fp, "H");
 654                 if (has(GUEST_KERNEL))
 655                         ret += fprintf(fp, "G");
 656                 if (has(GUEST_USER))
 657                         ret += fprintf(fp, "g");
 658
 659                 switch (type) {
 660                 case PERF_RECORD_MMAP:
 661                 case PERF_RECORD_MMAP2:
 662                         if (has(MMAP_DATA))
 663                                 ret += fprintf(fp, "M");
 664                         break;
 665                 case PERF_RECORD_COMM:
 666                         if (has(COMM_EXEC))
 667                                 ret += fprintf(fp, "E");
 668                         break;
 669                 case PERF_RECORD_SWITCH:
 670                 case PERF_RECORD_SWITCH_CPU_WIDE:
 671                         if (has(SWITCH_OUT)) {
 672                                 ret += fprintf(fp, "S");
 673                                 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
 674                                         ret += fprintf(fp, "p");
 675                         }
 676                 default:
 677                         break;
 678                 }
 679
 680                 #undef has
 681
 682                 ret += fprintf(fp, "%*s", 6 - ret, " ");
 683                 printed += ret;
 684         }
 685
 686         if (PRINT_FIELD(TIME)) {
 687                 nsecs = sample->time;
 688                 secs = nsecs / NSEC_PER_SEC;
 689                 nsecs -= secs * NSEC_PER_SEC;
 690
 691                 if (nanosecs)
 692                         printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
 693                 else {
 694                         char sample_time[32];
 695                         timestamp__scnprintf_usec(sample->time, sample_time, sizeof(sample_time));
 696                         printed += fprintf(fp, "%12s: ", sample_time);
 697                 }
 698         }
 699
 700         return printed;
 701 }
 702
 703 static inline char
 704 mispred_str(struct branch_entry *br)
 705 {
 706         if (!(br->flags.mispred  || br->flags.predicted))
 707                 return '-';
 708
 709         return br->flags.predicted ? 'P' : 'M';
 710 }
 711
 712 static int perf_sample__fprintf_brstack(struct perf_sample *sample,
 713                                         struct thread *thread,
 714                                         struct perf_event_attr *attr, FILE *fp)
 715 {
 716         struct branch_stack *br = sample->branch_stack;
 717         struct addr_location alf, alt;
 718         u64 i, from, to;
 719         int printed = 0;
 720
 721         if (!(br && br->nr))
 722                 return 0;
 723
 724         for (i = 0; i < br->nr; i++) {
 725                 from = br->entries[i].from;
 726                 to   = br->entries[i].to;
 727
 728                 if (PRINT_FIELD(DSO)) {
 729                         memset(&alf, 0, sizeof(alf));
 730                         memset(&alt, 0, sizeof(alt));
 731                         thread__find_map_fb(thread, sample->cpumode, from, &alf);
 732                         thread__find_map_fb(thread, sample->cpumode, to, &alt);
 733                 }
 734
 735                 printed += fprintf(fp, " 0x%"PRIx64, from);
 736                 if (PRINT_FIELD(DSO)) {
 737                         printed += fprintf(fp, "(");
 738                         printed += map__fprintf_dsoname(alf.map, fp);
 739                         printed += fprintf(fp, ")");
 740                 }
 741
 742                 printed += fprintf(fp, "/0x%"PRIx64, to);
 743                 if (PRINT_FIELD(DSO)) {
 744                         printed += fprintf(fp, "(");
 745                         printed += map__fprintf_dsoname(alt.map, fp);
 746                         printed += fprintf(fp, ")");
 747                 }
 748
 749                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 750                         mispred_str( br->entries + i),
 751                         br->entries[i].flags.in_tx? 'X' : '-',
 752                         br->entries[i].flags.abort? 'A' : '-',
 753                         br->entries[i].flags.cycles);
 754         }
 755
 756         return printed;
 757 }
 758
 759 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
 760                                            struct thread *thread,
 761                                            struct perf_event_attr *attr, FILE *fp)
 762 {
 763         struct branch_stack *br = sample->branch_stack;
 764         struct addr_location alf, alt;
 765         u64 i, from, to;
 766         int printed = 0;
 767
 768         if (!(br && br->nr))
 769                 return 0;
 770
 771         for (i = 0; i < br->nr; i++) {
 772
 773                 memset(&alf, 0, sizeof(alf));
 774                 memset(&alt, 0, sizeof(alt));
 775                 from = br->entries[i].from;
 776                 to   = br->entries[i].to;
 777
 778                 thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
 779                 thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
 780
 781                 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
 782                 if (PRINT_FIELD(DSO)) {
 783                         printed += fprintf(fp, "(");
 784                         printed += map__fprintf_dsoname(alf.map, fp);
 785                         printed += fprintf(fp, ")");
 786                 }
 787                 printed += fprintf(fp, "%c", '/');
 788                 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
 789                 if (PRINT_FIELD(DSO)) {
 790                         printed += fprintf(fp, "(");
 791                         printed += map__fprintf_dsoname(alt.map, fp);
 792                         printed += fprintf(fp, ")");
 793                 }
 794                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 795                         mispred_str( br->entries + i),
 796                         br->entries[i].flags.in_tx? 'X' : '-',
 797                         br->entries[i].flags.abort? 'A' : '-',
 798                         br->entries[i].flags.cycles);
 799         }
 800
 801         return printed;
 802 }
 803
 804 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
 805                                            struct thread *thread,
 806                                            struct perf_event_attr *attr, FILE *fp)
 807 {
 808         struct branch_stack *br = sample->branch_stack;
 809         struct addr_location alf, alt;
 810         u64 i, from, to;
 811         int printed = 0;
 812
 813         if (!(br && br->nr))
 814                 return 0;
 815
 816         for (i = 0; i < br->nr; i++) {
 817
 818                 memset(&alf, 0, sizeof(alf));
 819                 memset(&alt, 0, sizeof(alt));
 820                 from = br->entries[i].from;
 821                 to   = br->entries[i].to;
 822
 823                 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
 824                     !alf.map->dso->adjust_symbols)
 825                         from = map__map_ip(alf.map, from);
 826
 827                 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
 828                     !alt.map->dso->adjust_symbols)
 829                         to = map__map_ip(alt.map, to);
 830
 831                 printed += fprintf(fp, " 0x%"PRIx64, from);
 832                 if (PRINT_FIELD(DSO)) {
 833                         printed += fprintf(fp, "(");
 834                         printed += map__fprintf_dsoname(alf.map, fp);
 835                         printed += fprintf(fp, ")");
 836                 }
 837                 printed += fprintf(fp, "/0x%"PRIx64, to);
 838                 if (PRINT_FIELD(DSO)) {
 839                         printed += fprintf(fp, "(");
 840                         printed += map__fprintf_dsoname(alt.map, fp);
 841                         printed += fprintf(fp, ")");
 842                 }
 843                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 844                         mispred_str(br->entries + i),
 845                         br->entries[i].flags.in_tx ? 'X' : '-',
 846                         br->entries[i].flags.abort ? 'A' : '-',
 847                         br->entries[i].flags.cycles);
 848         }
 849
 850         return printed;
 851 }
 852 #define MAXBB 16384UL
 853
 854 static int grab_bb(u8 *buffer, u64 start, u64 end,
 855                     struct machine *machine, struct thread *thread,
 856                     bool *is64bit, u8 *cpumode, bool last)
 857 {
 858         long offset, len;
 859         struct addr_location al;
 860         bool kernel;
 861
 862         if (!start || !end)
 863                 return 0;
 864
 865         kernel = machine__kernel_ip(machine, start);
 866         if (kernel)
 867                 *cpumode = PERF_RECORD_MISC_KERNEL;
 868         else
 869                 *cpumode = PERF_RECORD_MISC_USER;
 870
 871         /*
 872          * Block overlaps between kernel and user.
 873          * This can happen due to ring filtering
 874          * On Intel CPUs the entry into the kernel is filtered,
 875          * but the exit is not. Let the caller patch it up.
 876          */
 877         if (kernel != machine__kernel_ip(machine, end)) {
 878                 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
 879                 return -ENXIO;
 880         }
 881
 882         memset(&al, 0, sizeof(al));
 883         if (end - start > MAXBB - MAXINSN) {
 884                 if (last)
 885                         pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
 886                 else
 887                         pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
 888                 return 0;
 889         }
 890
 891         if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) {
 892                 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
 893                 return 0;
 894         }
 895         if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
 896                 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
 897                 return 0;
 898         }
 899
 900         /* Load maps to ensure dso->is_64_bit has been updated */
 901         map__load(al.map);
 902
 903         offset = al.map->map_ip(al.map, start);
 904         len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer,
 905                                     end - start + MAXINSN);
 906
 907         *is64bit = al.map->dso->is_64_bit;
 908         if (len <= 0)
 909                 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
 910                         start, end);
 911         return len;
 912 }
 913
 914 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr)
 915 {
 916         struct addr_location al;
 917         int ret = 0;
 918
 919         memset(&al, 0, sizeof(al));
 920         thread__find_map(thread, cpumode, addr, &al);
 921         if (!al.map)
 922                 return 0;
 923         ret = map__fprintf_srccode(al.map, al.addr, stdout,
 924                     &thread->srccode_state);
 925         if (ret)
 926                 ret += printf("\n");
 927         return ret;
 928 }
 929
 930 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
 931                             struct perf_insn *x, u8 *inbuf, int len,
 932                             int insn, FILE *fp, int *total_cycles)
 933 {
 934         int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip,
 935                               dump_insn(x, ip, inbuf, len, NULL),
 936                               en->flags.predicted ? " PRED" : "",
 937                               en->flags.mispred ? " MISPRED" : "",
 938                               en->flags.in_tx ? " INTX" : "",
 939                               en->flags.abort ? " ABORT" : "");
 940         if (en->flags.cycles) {
 941                 *total_cycles += en->flags.cycles;
 942                 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles);
 943                 if (insn)
 944                         printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
 945         }
 946         return printed + fprintf(fp, "\n");
 947 }
 948
 949 static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
 950                            u8 cpumode, int cpu, struct symbol **lastsym,
 951                            struct perf_event_attr *attr, FILE *fp)
 952 {
 953         struct addr_location al;
 954         int off, printed = 0;
 955
 956         memset(&al, 0, sizeof(al));
 957
 958         thread__find_map(thread, cpumode, addr, &al);
 959
 960         if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
 961                 return 0;
 962
 963         al.cpu = cpu;
 964         al.sym = NULL;
 965         if (al.map)
 966                 al.sym = map__find_symbol(al.map, al.addr);
 967
 968         if (!al.sym)
 969                 return 0;
 970
 971         if (al.addr < al.sym->end)
 972                 off = al.addr - al.sym->start;
 973         else
 974                 off = al.addr - al.map->start - al.sym->start;
 975         printed += fprintf(fp, "\t%s", al.sym->name);
 976         if (off)
 977                 printed += fprintf(fp, "%+d", off);
 978         printed += fprintf(fp, ":");
 979         if (PRINT_FIELD(SRCLINE))
 980                 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
 981         printed += fprintf(fp, "\n");
 982         *lastsym = al.sym;
 983
 984         return printed;
 985 }
 986
 987 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
 988                                             struct thread *thread,
 989                                             struct perf_event_attr *attr,
 990                                             struct machine *machine, FILE *fp)
 991 {
 992         struct branch_stack *br = sample->branch_stack;
 993         u64 start, end;
 994         int i, insn, len, nr, ilen, printed = 0;
 995         struct perf_insn x;
 996         u8 buffer[MAXBB];
 997         unsigned off;
 998         struct symbol *lastsym = NULL;
 999         int total_cycles = 0;
1000
1001         if (!(br && br->nr))
1002                 return 0;
1003         nr = br->nr;
1004         if (max_blocks && nr > max_blocks + 1)
1005                 nr = max_blocks + 1;
1006
1007         x.thread = thread;
1008         x.cpu = sample->cpu;
1009
1010         printed += fprintf(fp, "%c", '\n');
1011
1012         /* Handle first from jump, of which we don't know the entry. */
1013         len = grab_bb(buffer, br->entries[nr-1].from,
1014                         br->entries[nr-1].from,
1015                         machine, thread, &x.is64bit, &x.cpumode, false);
1016         if (len > 0) {
1017                 printed += ip__fprintf_sym(br->entries[nr - 1].from, thread,
1018                                            x.cpumode, x.cpu, &lastsym, attr, fp);
1019                 printed += ip__fprintf_jump(br->entries[nr - 1].from, &br->entries[nr - 1],
1020                                             &x, buffer, len, 0, fp, &total_cycles);
1021                 if (PRINT_FIELD(SRCCODE))
1022                         printed += print_srccode(thread, x.cpumode, br->entries[nr - 1].from);
1023         }
1024
1025         /* Print all blocks */
1026         for (i = nr - 2; i >= 0; i--) {
1027                 if (br->entries[i].from || br->entries[i].to)
1028                         pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1029                                  br->entries[i].from,
1030                                  br->entries[i].to);
1031                 start = br->entries[i + 1].to;
1032                 end   = br->entries[i].from;
1033
1034                 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1035                 /* Patch up missing kernel transfers due to ring filters */
1036                 if (len == -ENXIO && i > 0) {
1037                         end = br->entries[--i].from;
1038                         pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1039                         len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1040                 }
1041                 if (len <= 0)
1042                         continue;
1043
1044                 insn = 0;
1045                 for (off = 0;; off += ilen) {
1046                         uint64_t ip = start + off;
1047
1048                         printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1049                         if (ip == end) {
1050                                 printed += ip__fprintf_jump(ip, &br->entries[i], &x, buffer + off, len - off, insn, fp,
1051                                                             &total_cycles);
1052                                 if (PRINT_FIELD(SRCCODE))
1053                                         printed += print_srccode(thread, x.cpumode, ip);
1054                                 break;
1055                         } else {
1056                                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip,
1057                                                    dump_insn(&x, ip, buffer + off, len - off, &ilen));
1058                                 if (ilen == 0)
1059                                         break;
1060                                 if (PRINT_FIELD(SRCCODE))
1061                                         print_srccode(thread, x.cpumode, ip);
1062                                 insn++;
1063                         }
1064                 }
1065         }
1066
1067         /*
1068          * Hit the branch? In this case we are already done, and the target
1069          * has not been executed yet.
1070          */
1071         if (br->entries[0].from == sample->ip)
1072                 goto out;
1073         if (br->entries[0].flags.abort)
1074                 goto out;
1075
1076         /*
1077          * Print final block upto sample
1078          *
1079          * Due to pipeline delays the LBRs might be missing a branch
1080          * or two, which can result in very large or negative blocks
1081          * between final branch and sample. When this happens just
1082          * continue walking after the last TO until we hit a branch.
1083          */
1084         start = br->entries[0].to;
1085         end = sample->ip;
1086         if (end < start) {
1087                 /* Missing jump. Scan 128 bytes for the next branch */
1088                 end = start + 128;
1089         }
1090         len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1091         printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1092         if (len <= 0) {
1093                 /* Print at least last IP if basic block did not work */
1094                 len = grab_bb(buffer, sample->ip, sample->ip,
1095                               machine, thread, &x.is64bit, &x.cpumode, false);
1096                 if (len <= 0)
1097                         goto out;
1098                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip,
1099                         dump_insn(&x, sample->ip, buffer, len, NULL));
1100                 if (PRINT_FIELD(SRCCODE))
1101                         print_srccode(thread, x.cpumode, sample->ip);
1102                 goto out;
1103         }
1104         for (off = 0; off <= end - start; off += ilen) {
1105                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off,
1106                                    dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1107                 if (ilen == 0)
1108                         break;
1109                 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) {
1110                         /*
1111                          * Hit a missing branch. Just stop.
1112                          */
1113                         printed += fprintf(fp, "\t... not reaching sample ...\n");
1114                         break;
1115                 }
1116                 if (PRINT_FIELD(SRCCODE))
1117                         print_srccode(thread, x.cpumode, start + off);
1118         }
1119 out:
1120         return printed;
1121 }
1122
1123 static int perf_sample__fprintf_addr(struct perf_sample *sample,
1124                                      struct thread *thread,
1125                                      struct perf_event_attr *attr, FILE *fp)
1126 {
1127         struct addr_location al;
1128         int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1129
1130         if (!sample_addr_correlates_sym(attr))
1131                 goto out;
1132
1133         thread__resolve(thread, &al, sample);
1134
1135         if (PRINT_FIELD(SYM)) {
1136                 printed += fprintf(fp, " ");
1137                 if (PRINT_FIELD(SYMOFFSET))
1138                         printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1139                 else
1140                         printed += symbol__fprintf_symname(al.sym, fp);
1141         }
1142
1143         if (PRINT_FIELD(DSO)) {
1144                 printed += fprintf(fp, " (");
1145                 printed += map__fprintf_dsoname(al.map, fp);
1146                 printed += fprintf(fp, ")");
1147         }
1148 out:
1149         return printed;
1150 }
1151
1152 static const char *resolve_branch_sym(struct perf_sample *sample,
1153                                       struct perf_evsel *evsel,
1154                                       struct thread *thread,
1155                                       struct addr_location *al,
1156                                       u64 *ip)
1157 {
1158         struct addr_location addr_al;
1159         struct perf_event_attr *attr = &evsel->attr;
1160         const char *name = NULL;
1161
1162         if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1163                 if (sample_addr_correlates_sym(attr)) {
1164                         thread__resolve(thread, &addr_al, sample);
1165                         if (addr_al.sym)
1166                                 name = addr_al.sym->name;
1167                         else
1168                                 *ip = sample->addr;
1169                 } else {
1170                         *ip = sample->addr;
1171                 }
1172         } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1173                 if (al->sym)
1174                         name = al->sym->name;
1175                 else
1176                         *ip = sample->ip;
1177         }
1178         return name;
1179 }
1180
1181 static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1182                                            struct perf_evsel *evsel,
1183                                            struct thread *thread,
1184                                            struct addr_location *al, FILE *fp)
1185 {
1186         struct perf_event_attr *attr = &evsel->attr;
1187         size_t depth = thread_stack__depth(thread, sample->cpu);
1188         const char *name = NULL;
1189         static int spacing;
1190         int len = 0;
1191         int dlen = 0;
1192         u64 ip = 0;
1193
1194         /*
1195          * The 'return' has already been popped off the stack so the depth has
1196          * to be adjusted to match the 'call'.
1197          */
1198         if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
1199                 depth += 1;
1200
1201         name = resolve_branch_sym(sample, evsel, thread, al, &ip);
1202
1203         if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
1204                 dlen += fprintf(fp, "(");
1205                 dlen += map__fprintf_dsoname(al->map, fp);
1206                 dlen += fprintf(fp, ")\t");
1207         }
1208
1209         if (name)
1210                 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1211         else if (ip)
1212                 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1213
1214         if (len < 0)
1215                 return len;
1216
1217         /*
1218          * Try to keep the output length from changing frequently so that the
1219          * output lines up more nicely.
1220          */
1221         if (len > spacing || (len && len < spacing - 52))
1222                 spacing = round_up(len + 4, 32);
1223
1224         if (len < spacing)
1225                 len += fprintf(fp, "%*s", spacing - len, "");
1226
1227         return len + dlen;
1228 }
1229
1230 static int perf_sample__fprintf_insn(struct perf_sample *sample,
1231                                      struct perf_event_attr *attr,
1232                                      struct thread *thread,
1233                                      struct machine *machine, FILE *fp)
1234 {
1235         int printed = 0;
1236
1237         if (PRINT_FIELD(INSNLEN))
1238                 printed += fprintf(fp, " ilen: %d", sample->insn_len);
1239         if (PRINT_FIELD(INSN)) {
1240                 int i;
1241
1242                 printed += fprintf(fp, " insn:");
1243                 for (i = 0; i < sample->insn_len; i++)
1244                         printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
1245         }
1246         if (PRINT_FIELD(BRSTACKINSN))
1247                 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
1248
1249         return printed;
1250 }
1251
1252 static int perf_sample__fprintf_bts(struct perf_sample *sample,
1253                                     struct perf_evsel *evsel,
1254                                     struct thread *thread,
1255                                     struct addr_location *al,
1256                                     struct machine *machine, FILE *fp)
1257 {
1258         struct perf_event_attr *attr = &evsel->attr;
1259         unsigned int type = output_type(attr->type);
1260         bool print_srcline_last = false;
1261         int printed = 0;
1262
1263         if (PRINT_FIELD(CALLINDENT))
1264                 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp);
1265
1266         /* print branch_from information */
1267         if (PRINT_FIELD(IP)) {
1268                 unsigned int print_opts = output[type].print_ip_opts;
1269                 struct callchain_cursor *cursor = NULL;
1270
1271                 if (symbol_conf.use_callchain && sample->callchain &&
1272                     thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1273                                               sample, NULL, NULL, scripting_max_stack) == 0)
1274                         cursor = &callchain_cursor;
1275
1276                 if (cursor == NULL) {
1277                         printed += fprintf(fp, " ");
1278                         if (print_opts & EVSEL__PRINT_SRCLINE) {
1279                                 print_srcline_last = true;
1280                                 print_opts &= ~EVSEL__PRINT_SRCLINE;
1281                         }
1282                 } else
1283                         printed += fprintf(fp, "\n");
1284
1285                 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, fp);
1286         }
1287
1288         /* print branch_to information */
1289         if (PRINT_FIELD(ADDR) ||
1290             ((evsel->attr.sample_type & PERF_SAMPLE_ADDR) &&
1291              !output[type].user_set)) {
1292                 printed += fprintf(fp, " => ");
1293                 printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1294         }
1295
1296         if (print_srcline_last)
1297                 printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
1298
1299         printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1300         printed += fprintf(fp, "\n");
1301         if (PRINT_FIELD(SRCCODE)) {
1302                 int ret = map__fprintf_srccode(al->map, al->addr, stdout,
1303                                          &thread->srccode_state);
1304                 if (ret) {
1305                         printed += ret;
1306                         printed += printf("\n");
1307                 }
1308         }
1309         return printed;
1310 }
1311
1312 static struct {
1313         u32 flags;
1314         const char *name;
1315 } sample_flags[] = {
1316         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1317         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1318         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1319         {PERF_IP_FLAG_BRANCH, "jmp"},
1320         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1321         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1322         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1323         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1324         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1325         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"},
1326         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1327         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1328         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1329         {0, NULL}
1330 };
1331
1332 static const char *sample_flags_to_name(u32 flags)
1333 {
1334         int i;
1335
1336         for (i = 0; sample_flags[i].name ; i++) {
1337                 if (sample_flags[i].flags == flags)
1338                         return sample_flags[i].name;
1339         }
1340
1341         return NULL;
1342 }
1343
1344 static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1345 {
1346         const char *chars = PERF_IP_FLAG_CHARS;
1347         const int n = strlen(PERF_IP_FLAG_CHARS);
1348         bool in_tx = flags & PERF_IP_FLAG_IN_TX;
1349         const char *name = NULL;
1350         char str[33];
1351         int i, pos = 0;
1352
1353         name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX);
1354         if (name)
1355                 return fprintf(fp, "  %-15s%4s ", name, in_tx ? "(x)" : "");
1356
1357         if (flags & PERF_IP_FLAG_TRACE_BEGIN) {
1358                 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN));
1359                 if (name)
1360                         return fprintf(fp, "  tr strt %-7s%4s ", name, in_tx ? "(x)" : "");
1361         }
1362
1363         if (flags & PERF_IP_FLAG_TRACE_END) {
1364                 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END));
1365                 if (name)
1366                         return fprintf(fp, "  tr end  %-7s%4s ", name, in_tx ? "(x)" : "");
1367         }
1368
1369         for (i = 0; i < n; i++, flags >>= 1) {
1370                 if (flags & 1)
1371                         str[pos++] = chars[i];
1372         }
1373         for (; i < 32; i++, flags >>= 1) {
1374                 if (flags & 1)
1375                         str[pos++] = '?';
1376         }
1377         str[pos] = 0;
1378
1379         return fprintf(fp, "  %-19s ", str);
1380 }
1381
1382 struct printer_data {
1383         int line_no;
1384         bool hit_nul;
1385         bool is_printable;
1386 };
1387
1388 static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1389                                       unsigned int val,
1390                                       void *extra, FILE *fp)
1391 {
1392         unsigned char ch = (unsigned char)val;
1393         struct printer_data *printer_data = extra;
1394         int printed = 0;
1395
1396         switch (op) {
1397         case BINARY_PRINT_DATA_BEGIN:
1398                 printed += fprintf(fp, "\n");
1399                 break;
1400         case BINARY_PRINT_LINE_BEGIN:
1401                 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1402                                                         "           ");
1403                 break;
1404         case BINARY_PRINT_ADDR:
1405                 printed += fprintf(fp, " %04x:", val);
1406                 break;
1407         case BINARY_PRINT_NUM_DATA:
1408                 printed += fprintf(fp, " %02x", val);
1409                 break;
1410         case BINARY_PRINT_NUM_PAD:
1411                 printed += fprintf(fp, "   ");
1412                 break;
1413         case BINARY_PRINT_SEP:
1414                 printed += fprintf(fp, "  ");
1415                 break;
1416         case BINARY_PRINT_CHAR_DATA:
1417                 if (printer_data->hit_nul && ch)
1418                         printer_data->is_printable = false;
1419
1420                 if (!isprint(ch)) {
1421                         printed += fprintf(fp, "%c", '.');
1422
1423                         if (!printer_data->is_printable)
1424                                 break;
1425
1426                         if (ch == '\0')
1427                                 printer_data->hit_nul = true;
1428                         else
1429                                 printer_data->is_printable = false;
1430                 } else {
1431                         printed += fprintf(fp, "%c", ch);
1432                 }
1433                 break;
1434         case BINARY_PRINT_CHAR_PAD:
1435                 printed += fprintf(fp, " ");
1436                 break;
1437         case BINARY_PRINT_LINE_END:
1438                 printed += fprintf(fp, "\n");
1439                 printer_data->line_no++;
1440                 break;
1441         case BINARY_PRINT_DATA_END:
1442         default:
1443                 break;
1444         }
1445
1446         return printed;
1447 }
1448
1449 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1450 {
1451         unsigned int nr_bytes = sample->raw_size;
1452         struct printer_data printer_data = {0, false, true};
1453         int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1454                                       sample__fprintf_bpf_output, &printer_data, fp);
1455
1456         if (printer_data.is_printable && printer_data.hit_nul)
1457                 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1458
1459         return printed;
1460 }
1461
1462 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1463 {
1464         if (len > 0 && len < spacing)
1465                 return fprintf(fp, "%*s", spacing - len, "");
1466
1467         return 0;
1468 }
1469
1470 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1471 {
1472         return perf_sample__fprintf_spacing(len, 34, fp);
1473 }
1474
1475 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1476 {
1477         struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1478         int len;
1479
1480         if (perf_sample__bad_synth_size(sample, *data))
1481                 return 0;
1482
1483         len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ",
1484                      data->ip, le64_to_cpu(data->payload));
1485         return len + perf_sample__fprintf_pt_spacing(len, fp);
1486 }
1487
1488 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1489 {
1490         struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1491         int len;
1492
1493         if (perf_sample__bad_synth_size(sample, *data))
1494                 return 0;
1495
1496         len = fprintf(fp, " hints: %#x extensions: %#x ",
1497                       data->hints, data->extensions);
1498         return len + perf_sample__fprintf_pt_spacing(len, fp);
1499 }
1500
1501 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1502 {
1503         struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1504         int len;
1505
1506         if (perf_sample__bad_synth_size(sample, *data))
1507                 return 0;
1508
1509         len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1510                       data->hw, data->cstate, data->subcstate);
1511         return len + perf_sample__fprintf_pt_spacing(len, fp);
1512 }
1513
1514 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1515 {
1516         struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1517         int len;
1518
1519         if (perf_sample__bad_synth_size(sample, *data))
1520                 return 0;
1521
1522         len = fprintf(fp, " IP: %u ", data->ip);
1523         return len + perf_sample__fprintf_pt_spacing(len, fp);
1524 }
1525
1526 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1527 {
1528         struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1529         int len;
1530
1531         if (perf_sample__bad_synth_size(sample, *data))
1532                 return 0;
1533
1534         len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1535                      data->deepest_cstate, data->last_cstate,
1536                      data->wake_reason);
1537         return len + perf_sample__fprintf_pt_spacing(len, fp);
1538 }
1539
1540 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1541 {
1542         struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1543         unsigned int percent, freq;
1544         int len;
1545
1546         if (perf_sample__bad_synth_size(sample, *data))
1547                 return 0;
1548
1549         freq = (le32_to_cpu(data->freq) + 500) / 1000;
1550         len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1551         if (data->max_nonturbo) {
1552                 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1553                 len += fprintf(fp, "(%3u%%) ", percent);
1554         }
1555         return len + perf_sample__fprintf_pt_spacing(len, fp);
1556 }
1557
1558 static int perf_sample__fprintf_synth(struct perf_sample *sample,
1559                                       struct perf_evsel *evsel, FILE *fp)
1560 {
1561         switch (evsel->attr.config) {
1562         case PERF_SYNTH_INTEL_PTWRITE:
1563                 return perf_sample__fprintf_synth_ptwrite(sample, fp);
1564         case PERF_SYNTH_INTEL_MWAIT:
1565                 return perf_sample__fprintf_synth_mwait(sample, fp);
1566         case PERF_SYNTH_INTEL_PWRE:
1567                 return perf_sample__fprintf_synth_pwre(sample, fp);
1568         case PERF_SYNTH_INTEL_EXSTOP:
1569                 return perf_sample__fprintf_synth_exstop(sample, fp);
1570         case PERF_SYNTH_INTEL_PWRX:
1571                 return perf_sample__fprintf_synth_pwrx(sample, fp);
1572         case PERF_SYNTH_INTEL_CBR:
1573                 return perf_sample__fprintf_synth_cbr(sample, fp);
1574         default:
1575                 break;
1576         }
1577
1578         return 0;
1579 }
1580
1581 struct perf_script {
1582         struct perf_tool        tool;
1583         struct perf_session     *session;
1584         bool                    show_task_events;
1585         bool                    show_mmap_events;
1586         bool                    show_switch_events;
1587         bool                    show_namespace_events;
1588         bool                    show_lost_events;
1589         bool                    show_round_events;
1590         bool                    allocated;
1591         bool                    per_event_dump;
1592         struct cpu_map          *cpus;
1593         struct thread_map       *threads;
1594         int                     name_width;
1595         const char              *time_str;
1596         struct perf_time_interval *ptime_range;
1597         int                     range_size;
1598         int                     range_num;
1599 };
1600
1601 static int perf_evlist__max_name_len(struct perf_evlist *evlist)
1602 {
1603         struct perf_evsel *evsel;
1604         int max = 0;
1605
1606         evlist__for_each_entry(evlist, evsel) {
1607                 int len = strlen(perf_evsel__name(evsel));
1608
1609                 max = MAX(len, max);
1610         }
1611
1612         return max;
1613 }
1614
1615 static int data_src__fprintf(u64 data_src, FILE *fp)
1616 {
1617         struct mem_info mi = { .data_src.val = data_src };
1618         char decode[100];
1619         char out[100];
1620         static int maxlen;
1621         int len;
1622
1623         perf_script__meminfo_scnprintf(decode, 100, &mi);
1624
1625         len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
1626         if (maxlen < len)
1627                 maxlen = len;
1628
1629         return fprintf(fp, "%-*s", maxlen, out);
1630 }
1631
1632 struct metric_ctx {
1633         struct perf_sample      *sample;
1634         struct thread           *thread;
1635         struct perf_evsel       *evsel;
1636         FILE                    *fp;
1637 };
1638
1639 static void script_print_metric(struct perf_stat_config *config __maybe_unused,
1640                                 void *ctx, const char *color,
1641                                 const char *fmt,
1642                                 const char *unit, double val)
1643 {
1644         struct metric_ctx *mctx = ctx;
1645
1646         if (!fmt)
1647                 return;
1648         perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
1649                                    PERF_RECORD_SAMPLE, mctx->fp);
1650         fputs("\tmetric: ", mctx->fp);
1651         if (color)
1652                 color_fprintf(mctx->fp, color, fmt, val);
1653         else
1654                 printf(fmt, val);
1655         fprintf(mctx->fp, " %s\n", unit);
1656 }
1657
1658 static void script_new_line(struct perf_stat_config *config __maybe_unused,
1659                             void *ctx)
1660 {
1661         struct metric_ctx *mctx = ctx;
1662
1663         perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
1664                                    PERF_RECORD_SAMPLE, mctx->fp);
1665         fputs("\tmetric: ", mctx->fp);
1666 }
1667
1668 static void perf_sample__fprint_metric(struct perf_script *script,
1669                                        struct thread *thread,
1670                                        struct perf_evsel *evsel,
1671                                        struct perf_sample *sample,
1672                                        FILE *fp)
1673 {
1674         struct perf_stat_output_ctx ctx = {
1675                 .print_metric = script_print_metric,
1676                 .new_line = script_new_line,
1677                 .ctx = &(struct metric_ctx) {
1678                                 .sample = sample,
1679                                 .thread = thread,
1680                                 .evsel  = evsel,
1681                                 .fp     = fp,
1682                          },
1683                 .force_header = false,
1684         };
1685         struct perf_evsel *ev2;
1686         u64 val;
1687
1688         if (!evsel->stats)
1689                 perf_evlist__alloc_stats(script->session->evlist, false);
1690         if (evsel_script(evsel->leader)->gnum++ == 0)
1691                 perf_stat__reset_shadow_stats();
1692         val = sample->period * evsel->scale;
1693         perf_stat__update_shadow_stats(evsel,
1694                                        val,
1695                                        sample->cpu,
1696                                        &rt_stat);
1697         evsel_script(evsel)->val = val;
1698         if (evsel_script(evsel->leader)->gnum == evsel->leader->nr_members) {
1699                 for_each_group_member (ev2, evsel->leader) {
1700                         perf_stat__print_shadow_stats(&stat_config, ev2,
1701                                                       evsel_script(ev2)->val,
1702                                                       sample->cpu,
1703                                                       &ctx,
1704                                                       NULL,
1705                                                       &rt_stat);
1706                 }
1707                 evsel_script(evsel->leader)->gnum = 0;
1708         }
1709 }
1710
1711 static bool show_event(struct perf_sample *sample,
1712                        struct perf_evsel *evsel,
1713                        struct thread *thread,
1714                        struct addr_location *al)
1715 {
1716         int depth = thread_stack__depth(thread, sample->cpu);
1717
1718         if (!symbol_conf.graph_function)
1719                 return true;
1720
1721         if (thread->filter) {
1722                 if (depth <= thread->filter_entry_depth) {
1723                         thread->filter = false;
1724                         return false;
1725                 }
1726                 return true;
1727         } else {
1728                 const char *s = symbol_conf.graph_function;
1729                 u64 ip;
1730                 const char *name = resolve_branch_sym(sample, evsel, thread, al,
1731                                 &ip);
1732                 unsigned nlen;
1733
1734                 if (!name)
1735                         return false;
1736                 nlen = strlen(name);
1737                 while (*s) {
1738                         unsigned len = strcspn(s, ",");
1739                         if (nlen == len && !strncmp(name, s, len)) {
1740                                 thread->filter = true;
1741                                 thread->filter_entry_depth = depth;
1742                                 return true;
1743                         }
1744                         s += len;
1745                         if (*s == ',')
1746                                 s++;
1747                 }
1748                 return false;
1749         }
1750 }
1751
1752 static void process_event(struct perf_script *script,
1753                           struct perf_sample *sample, struct perf_evsel *evsel,
1754                           struct addr_location *al,
1755                           struct machine *machine)
1756 {
1757         struct thread *thread = al->thread;
1758         struct perf_event_attr *attr = &evsel->attr;
1759         unsigned int type = output_type(attr->type);
1760         struct perf_evsel_script *es = evsel->priv;
1761         FILE *fp = es->fp;
1762
1763         if (output[type].fields == 0)
1764                 return;
1765
1766         if (!show_event(sample, evsel, thread, al))
1767                 return;
1768
1769         ++es->samples;
1770
1771         perf_sample__fprintf_start(sample, thread, evsel,
1772                                    PERF_RECORD_SAMPLE, fp);
1773
1774         if (PRINT_FIELD(PERIOD))
1775                 fprintf(fp, "%10" PRIu64 " ", sample->period);
1776
1777         if (PRINT_FIELD(EVNAME)) {
1778                 const char *evname = perf_evsel__name(evsel);
1779
1780                 if (!script->name_width)
1781                         script->name_width = perf_evlist__max_name_len(script->session->evlist);
1782
1783                 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
1784         }
1785
1786         if (print_flags)
1787                 perf_sample__fprintf_flags(sample->flags, fp);
1788
1789         if (is_bts_event(attr)) {
1790                 perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp);
1791                 return;
1792         }
1793
1794         if (PRINT_FIELD(TRACE) && sample->raw_data) {
1795                 event_format__fprintf(evsel->tp_format, sample->cpu,
1796                                       sample->raw_data, sample->raw_size, fp);
1797         }
1798
1799         if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
1800                 perf_sample__fprintf_synth(sample, evsel, fp);
1801
1802         if (PRINT_FIELD(ADDR))
1803                 perf_sample__fprintf_addr(sample, thread, attr, fp);
1804
1805         if (PRINT_FIELD(DATA_SRC))
1806                 data_src__fprintf(sample->data_src, fp);
1807
1808         if (PRINT_FIELD(WEIGHT))
1809                 fprintf(fp, "%16" PRIu64, sample->weight);
1810
1811         if (PRINT_FIELD(IP)) {
1812                 struct callchain_cursor *cursor = NULL;
1813
1814                 if (symbol_conf.use_callchain && sample->callchain &&
1815                     thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1816                                               sample, NULL, NULL, scripting_max_stack) == 0)
1817                         cursor = &callchain_cursor;
1818
1819                 fputc(cursor ? '\n' : ' ', fp);
1820                 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, fp);
1821         }
1822
1823         if (PRINT_FIELD(IREGS))
1824                 perf_sample__fprintf_iregs(sample, attr, fp);
1825
1826         if (PRINT_FIELD(UREGS))
1827                 perf_sample__fprintf_uregs(sample, attr, fp);
1828
1829         if (PRINT_FIELD(BRSTACK))
1830                 perf_sample__fprintf_brstack(sample, thread, attr, fp);
1831         else if (PRINT_FIELD(BRSTACKSYM))
1832                 perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
1833         else if (PRINT_FIELD(BRSTACKOFF))
1834                 perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
1835
1836         if (perf_evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
1837                 perf_sample__fprintf_bpf_output(sample, fp);
1838         perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1839
1840         if (PRINT_FIELD(PHYS_ADDR))
1841                 fprintf(fp, "%16" PRIx64, sample->phys_addr);
1842         fprintf(fp, "\n");
1843
1844         if (PRINT_FIELD(SRCCODE)) {
1845                 if (map__fprintf_srccode(al->map, al->addr, stdout,
1846                                          &thread->srccode_state))
1847                         printf("\n");
1848         }
1849
1850         if (PRINT_FIELD(METRIC))
1851                 perf_sample__fprint_metric(script, thread, evsel, sample, fp);
1852
1853         if (verbose)
1854                 fflush(fp);
1855 }
1856
1857 static struct scripting_ops     *scripting_ops;
1858
1859 static void __process_stat(struct perf_evsel *counter, u64 tstamp)
1860 {
1861         int nthreads = thread_map__nr(counter->threads);
1862         int ncpus = perf_evsel__nr_cpus(counter);
1863         int cpu, thread;
1864         static int header_printed;
1865
1866         if (counter->system_wide)
1867                 nthreads = 1;
1868
1869         if (!header_printed) {
1870                 printf("%3s %8s %15s %15s %15s %15s %s\n",
1871                        "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
1872                 header_printed = 1;
1873         }
1874
1875         for (thread = 0; thread < nthreads; thread++) {
1876                 for (cpu = 0; cpu < ncpus; cpu++) {
1877                         struct perf_counts_values *counts;
1878
1879                         counts = perf_counts(counter->counts, cpu, thread);
1880
1881                         printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
1882                                 counter->cpus->map[cpu],
1883                                 thread_map__pid(counter->threads, thread),
1884                                 counts->val,
1885                                 counts->ena,
1886                                 counts->run,
1887                                 tstamp,
1888                                 perf_evsel__name(counter));
1889                 }
1890         }
1891 }
1892
1893 static void process_stat(struct perf_evsel *counter, u64 tstamp)
1894 {
1895         if (scripting_ops && scripting_ops->process_stat)
1896                 scripting_ops->process_stat(&stat_config, counter, tstamp);
1897         else
1898                 __process_stat(counter, tstamp);
1899 }
1900
1901 static void process_stat_interval(u64 tstamp)
1902 {
1903         if (scripting_ops && scripting_ops->process_stat_interval)
1904                 scripting_ops->process_stat_interval(tstamp);
1905 }
1906
1907 static void setup_scripting(void)
1908 {
1909         setup_perl_scripting();
1910         setup_python_scripting();
1911 }
1912
1913 static int flush_scripting(void)
1914 {
1915         return scripting_ops ? scripting_ops->flush_script() : 0;
1916 }
1917
1918 static int cleanup_scripting(void)
1919 {
1920         pr_debug("\nperf script stopped\n");
1921
1922         return scripting_ops ? scripting_ops->stop_script() : 0;
1923 }
1924
1925 static int process_sample_event(struct perf_tool *tool,
1926                                 union perf_event *event,
1927                                 struct perf_sample *sample,
1928                                 struct perf_evsel *evsel,
1929                                 struct machine *machine)
1930 {
1931         struct perf_script *scr = container_of(tool, struct perf_script, tool);
1932         struct addr_location al;
1933
1934         if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
1935                                           sample->time)) {
1936                 return 0;
1937         }
1938
1939         if (debug_mode) {
1940                 if (sample->time < last_timestamp) {
1941                         pr_err("Samples misordered, previous: %" PRIu64
1942                                 " this: %" PRIu64 "\n", last_timestamp,
1943                                 sample->time);
1944                         nr_unordered++;
1945                 }
1946                 last_timestamp = sample->time;
1947                 return 0;
1948         }
1949
1950         if (machine__resolve(machine, &al, sample) < 0) {
1951                 pr_err("problem processing %d event, skipping it.\n",
1952                        event->header.type);
1953                 return -1;
1954         }
1955
1956         if (al.filtered)
1957                 goto out_put;
1958
1959         if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
1960                 goto out_put;
1961
1962         if (scripting_ops)
1963                 scripting_ops->process_event(event, sample, evsel, &al);
1964         else
1965                 process_event(scr, sample, evsel, &al, machine);
1966
1967 out_put:
1968         addr_location__put(&al);
1969         return 0;
1970 }
1971
1972 static int process_attr(struct perf_tool *tool, union perf_event *event,
1973                         struct perf_evlist **pevlist)
1974 {
1975         struct perf_script *scr = container_of(tool, struct perf_script, tool);
1976         struct perf_evlist *evlist;
1977         struct perf_evsel *evsel, *pos;
1978         int err;
1979         static struct perf_evsel_script *es;
1980
1981         err = perf_event__process_attr(tool, event, pevlist);
1982         if (err)
1983                 return err;
1984
1985         evlist = *pevlist;
1986         evsel = perf_evlist__last(*pevlist);
1987
1988         if (!evsel->priv) {
1989                 if (scr->per_event_dump) {
1990                         evsel->priv = perf_evsel_script__new(evsel,
1991                                                 scr->session->data);
1992                 } else {
1993                         es = zalloc(sizeof(*es));
1994                         if (!es)
1995                                 return -ENOMEM;
1996                         es->fp = stdout;
1997                         evsel->priv = es;
1998                 }
1999         }
2000
2001         if (evsel->attr.type >= PERF_TYPE_MAX &&
2002             evsel->attr.type != PERF_TYPE_SYNTH)
2003                 return 0;
2004
2005         evlist__for_each_entry(evlist, pos) {
2006                 if (pos->attr.type == evsel->attr.type && pos != evsel)
2007                         return 0;
2008         }
2009
2010         set_print_ip_opts(&evsel->attr);
2011
2012         if (evsel->attr.sample_type)
2013                 err = perf_evsel__check_attr(evsel, scr->session);
2014
2015         return err;
2016 }
2017
2018 static int process_comm_event(struct perf_tool *tool,
2019                               union perf_event *event,
2020                               struct perf_sample *sample,
2021                               struct machine *machine)
2022 {
2023         struct thread *thread;
2024         struct perf_script *script = container_of(tool, struct perf_script, tool);
2025         struct perf_session *session = script->session;
2026         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2027         int ret = -1;
2028
2029         thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid);
2030         if (thread == NULL) {
2031                 pr_debug("problem processing COMM event, skipping it.\n");
2032                 return -1;
2033         }
2034
2035         if (perf_event__process_comm(tool, event, sample, machine) < 0)
2036                 goto out;
2037
2038         if (!evsel->attr.sample_id_all) {
2039                 sample->cpu = 0;
2040                 sample->time = 0;
2041                 sample->tid = event->comm.tid;
2042                 sample->pid = event->comm.pid;
2043         }
2044         perf_sample__fprintf_start(sample, thread, evsel,
2045                                    PERF_RECORD_COMM, stdout);
2046         perf_event__fprintf(event, stdout);
2047         ret = 0;
2048 out:
2049         thread__put(thread);
2050         return ret;
2051 }
2052
2053 static int process_namespaces_event(struct perf_tool *tool,
2054                                     union perf_event *event,
2055                                     struct perf_sample *sample,
2056                                     struct machine *machine)
2057 {
2058         struct thread *thread;
2059         struct perf_script *script = container_of(tool, struct perf_script, tool);
2060         struct perf_session *session = script->session;
2061         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2062         int ret = -1;
2063
2064         thread = machine__findnew_thread(machine, event->namespaces.pid,
2065                                          event->namespaces.tid);
2066         if (thread == NULL) {
2067                 pr_debug("problem processing NAMESPACES event, skipping it.\n");
2068                 return -1;
2069         }
2070
2071         if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
2072                 goto out;
2073
2074         if (!evsel->attr.sample_id_all) {
2075                 sample->cpu = 0;
2076                 sample->time = 0;
2077                 sample->tid = event->namespaces.tid;
2078                 sample->pid = event->namespaces.pid;
2079         }
2080         perf_sample__fprintf_start(sample, thread, evsel,
2081                                    PERF_RECORD_NAMESPACES, stdout);
2082         perf_event__fprintf(event, stdout);
2083         ret = 0;
2084 out:
2085         thread__put(thread);
2086         return ret;
2087 }
2088
2089 static int process_fork_event(struct perf_tool *tool,
2090                               union perf_event *event,
2091                               struct perf_sample *sample,
2092                               struct machine *machine)
2093 {
2094         struct thread *thread;
2095         struct perf_script *script = container_of(tool, struct perf_script, tool);
2096         struct perf_session *session = script->session;
2097         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2098
2099         if (perf_event__process_fork(tool, event, sample, machine) < 0)
2100                 return -1;
2101
2102         thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
2103         if (thread == NULL) {
2104                 pr_debug("problem processing FORK event, skipping it.\n");
2105                 return -1;
2106         }
2107
2108         if (!evsel->attr.sample_id_all) {
2109                 sample->cpu = 0;
2110                 sample->time = event->fork.time;
2111                 sample->tid = event->fork.tid;
2112                 sample->pid = event->fork.pid;
2113         }
2114         perf_sample__fprintf_start(sample, thread, evsel,
2115                                    PERF_RECORD_FORK, stdout);
2116         perf_event__fprintf(event, stdout);
2117         thread__put(thread);
2118
2119         return 0;
2120 }
2121 static int process_exit_event(struct perf_tool *tool,
2122                               union perf_event *event,
2123                               struct perf_sample *sample,
2124                               struct machine *machine)
2125 {
2126         int err = 0;
2127         struct thread *thread;
2128         struct perf_script *script = container_of(tool, struct perf_script, tool);
2129         struct perf_session *session = script->session;
2130         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2131
2132         thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
2133         if (thread == NULL) {
2134                 pr_debug("problem processing EXIT event, skipping it.\n");
2135                 return -1;
2136         }
2137
2138         if (!evsel->attr.sample_id_all) {
2139                 sample->cpu = 0;
2140                 sample->time = 0;
2141                 sample->tid = event->fork.tid;
2142                 sample->pid = event->fork.pid;
2143         }
2144         perf_sample__fprintf_start(sample, thread, evsel,
2145                                    PERF_RECORD_EXIT, stdout);
2146         perf_event__fprintf(event, stdout);
2147
2148         if (perf_event__process_exit(tool, event, sample, machine) < 0)
2149                 err = -1;
2150
2151         thread__put(thread);
2152         return err;
2153 }
2154
2155 static int process_mmap_event(struct perf_tool *tool,
2156                               union perf_event *event,
2157                               struct perf_sample *sample,
2158                               struct machine *machine)
2159 {
2160         struct thread *thread;
2161         struct perf_script *script = container_of(tool, struct perf_script, tool);
2162         struct perf_session *session = script->session;
2163         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2164
2165         if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2166                 return -1;
2167
2168         thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid);
2169         if (thread == NULL) {
2170                 pr_debug("problem processing MMAP event, skipping it.\n");
2171                 return -1;
2172         }
2173
2174         if (!evsel->attr.sample_id_all) {
2175                 sample->cpu = 0;
2176                 sample->time = 0;
2177                 sample->tid = event->mmap.tid;
2178                 sample->pid = event->mmap.pid;
2179         }
2180         perf_sample__fprintf_start(sample, thread, evsel,
2181                                    PERF_RECORD_MMAP, stdout);
2182         perf_event__fprintf(event, stdout);
2183         thread__put(thread);
2184         return 0;
2185 }
2186
2187 static int process_mmap2_event(struct perf_tool *tool,
2188                               union perf_event *event,
2189                               struct perf_sample *sample,
2190                               struct machine *machine)
2191 {
2192         struct thread *thread;
2193         struct perf_script *script = container_of(tool, struct perf_script, tool);
2194         struct perf_session *session = script->session;
2195         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2196
2197         if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2198                 return -1;
2199
2200         thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid);
2201         if (thread == NULL) {
2202                 pr_debug("problem processing MMAP2 event, skipping it.\n");
2203                 return -1;
2204         }
2205
2206         if (!evsel->attr.sample_id_all) {
2207                 sample->cpu = 0;
2208                 sample->time = 0;
2209                 sample->tid = event->mmap2.tid;
2210                 sample->pid = event->mmap2.pid;
2211         }
2212         perf_sample__fprintf_start(sample, thread, evsel,
2213                                    PERF_RECORD_MMAP2, stdout);
2214         perf_event__fprintf(event, stdout);
2215         thread__put(thread);
2216         return 0;
2217 }
2218
2219 static int process_switch_event(struct perf_tool *tool,
2220                                 union perf_event *event,
2221                                 struct perf_sample *sample,
2222                                 struct machine *machine)
2223 {
2224         struct thread *thread;
2225         struct perf_script *script = container_of(tool, struct perf_script, tool);
2226         struct perf_session *session = script->session;
2227         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2228
2229         if (perf_event__process_switch(tool, event, sample, machine) < 0)
2230                 return -1;
2231
2232         thread = machine__findnew_thread(machine, sample->pid,
2233                                          sample->tid);
2234         if (thread == NULL) {
2235                 pr_debug("problem processing SWITCH event, skipping it.\n");
2236                 return -1;
2237         }
2238
2239         perf_sample__fprintf_start(sample, thread, evsel,
2240                                    PERF_RECORD_SWITCH, stdout);
2241         perf_event__fprintf(event, stdout);
2242         thread__put(thread);
2243         return 0;
2244 }
2245
2246 static int
2247 process_lost_event(struct perf_tool *tool,
2248                    union perf_event *event,
2249                    struct perf_sample *sample,
2250                    struct machine *machine)
2251 {
2252         struct perf_script *script = container_of(tool, struct perf_script, tool);
2253         struct perf_session *session = script->session;
2254         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2255         struct thread *thread;
2256
2257         thread = machine__findnew_thread(machine, sample->pid,
2258                                          sample->tid);
2259         if (thread == NULL)
2260                 return -1;
2261
2262         perf_sample__fprintf_start(sample, thread, evsel,
2263                                    PERF_RECORD_LOST, stdout);
2264         perf_event__fprintf(event, stdout);
2265         thread__put(thread);
2266         return 0;
2267 }
2268
2269 static int
2270 process_finished_round_event(struct perf_tool *tool __maybe_unused,
2271                              union perf_event *event,
2272                              struct ordered_events *oe __maybe_unused)
2273
2274 {
2275         perf_event__fprintf(event, stdout);
2276         return 0;
2277 }
2278
2279 static void sig_handler(int sig __maybe_unused)
2280 {
2281         session_done = 1;
2282 }
2283
2284 static void perf_script__fclose_per_event_dump(struct perf_script *script)
2285 {
2286         struct perf_evlist *evlist = script->session->evlist;
2287         struct perf_evsel *evsel;
2288
2289         evlist__for_each_entry(evlist, evsel) {
2290                 if (!evsel->priv)
2291                         break;
2292                 perf_evsel_script__delete(evsel->priv);
2293                 evsel->priv = NULL;
2294         }
2295 }
2296
2297 static int perf_script__fopen_per_event_dump(struct perf_script *script)
2298 {
2299         struct perf_evsel *evsel;
2300
2301         evlist__for_each_entry(script->session->evlist, evsel) {
2302                 /*
2303                  * Already setup? I.e. we may be called twice in cases like
2304                  * Intel PT, one for the intel_pt// and dummy events, then
2305                  * for the evsels syntheized from the auxtrace info.
2306                  *
2307                  * Ses perf_script__process_auxtrace_info.
2308                  */
2309                 if (evsel->priv != NULL)
2310                         continue;
2311
2312                 evsel->priv = perf_evsel_script__new(evsel, script->session->data);
2313                 if (evsel->priv == NULL)
2314                         goto out_err_fclose;
2315         }
2316
2317         return 0;
2318
2319 out_err_fclose:
2320         perf_script__fclose_per_event_dump(script);
2321         return -1;
2322 }
2323
2324 static int perf_script__setup_per_event_dump(struct perf_script *script)
2325 {
2326         struct perf_evsel *evsel;
2327         static struct perf_evsel_script es_stdout;
2328
2329         if (script->per_event_dump)
2330                 return perf_script__fopen_per_event_dump(script);
2331
2332         es_stdout.fp = stdout;
2333
2334         evlist__for_each_entry(script->session->evlist, evsel)
2335                 evsel->priv = &es_stdout;
2336
2337         return 0;
2338 }
2339
2340 static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2341 {
2342         struct perf_evsel *evsel;
2343
2344         evlist__for_each_entry(script->session->evlist, evsel) {
2345                 struct perf_evsel_script *es = evsel->priv;
2346
2347                 perf_evsel_script__fprintf(es, stdout);
2348                 perf_evsel_script__delete(es);
2349                 evsel->priv = NULL;
2350         }
2351 }
2352
2353 static int __cmd_script(struct perf_script *script)
2354 {
2355         int ret;
2356
2357         signal(SIGINT, sig_handler);
2358
2359         perf_stat__init_shadow_stats();
2360
2361         /* override event processing functions */
2362         if (script->show_task_events) {
2363                 script->tool.comm = process_comm_event;
2364                 script->tool.fork = process_fork_event;
2365                 script->tool.exit = process_exit_event;
2366         }
2367         if (script->show_mmap_events) {
2368                 script->tool.mmap = process_mmap_event;
2369                 script->tool.mmap2 = process_mmap2_event;
2370         }
2371         if (script->show_switch_events)
2372                 script->tool.context_switch = process_switch_event;
2373         if (script->show_namespace_events)
2374                 script->tool.namespaces = process_namespaces_event;
2375         if (script->show_lost_events)
2376                 script->tool.lost = process_lost_event;
2377         if (script->show_round_events) {
2378                 script->tool.ordered_events = false;
2379                 script->tool.finished_round = process_finished_round_event;
2380         }
2381
2382         if (perf_script__setup_per_event_dump(script)) {
2383                 pr_err("Couldn't create the per event dump files\n");
2384                 return -1;
2385         }
2386
2387         ret = perf_session__process_events(script->session);
2388
2389         if (script->per_event_dump)
2390                 perf_script__exit_per_event_dump_stats(script);
2391
2392         if (debug_mode)
2393                 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2394
2395         return ret;
2396 }
2397
2398 struct script_spec {
2399         struct list_head        node;
2400         struct scripting_ops    *ops;
2401         char                    spec[0];
2402 };
2403
2404 static LIST_HEAD(script_specs);
2405
2406 static struct script_spec *script_spec__new(const char *spec,
2407                                             struct scripting_ops *ops)
2408 {
2409         struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2410
2411         if (s != NULL) {
2412                 strcpy(s->spec, spec);
2413                 s->ops = ops;
2414         }
2415
2416         return s;
2417 }
2418
2419 static void script_spec__add(struct script_spec *s)
2420 {
2421         list_add_tail(&s->node, &script_specs);
2422 }
2423
2424 static struct script_spec *script_spec__find(const char *spec)
2425 {
2426         struct script_spec *s;
2427
2428         list_for_each_entry(s, &script_specs, node)
2429                 if (strcasecmp(s->spec, spec) == 0)
2430                         return s;
2431         return NULL;
2432 }
2433
2434 int script_spec_register(const char *spec, struct scripting_ops *ops)
2435 {
2436         struct script_spec *s;
2437
2438         s = script_spec__find(spec);
2439         if (s)
2440                 return -1;
2441
2442         s = script_spec__new(spec, ops);
2443         if (!s)
2444                 return -1;
2445         else
2446                 script_spec__add(s);
2447
2448         return 0;
2449 }
2450
2451 static struct scripting_ops *script_spec__lookup(const char *spec)
2452 {
2453         struct script_spec *s = script_spec__find(spec);
2454         if (!s)
2455                 return NULL;
2456
2457         return s->ops;
2458 }
2459
2460 static void list_available_languages(void)
2461 {
2462         struct script_spec *s;
2463
2464         fprintf(stderr, "\n");
2465         fprintf(stderr, "Scripting language extensions (used in "
2466                 "perf script -s [spec:]script.[spec]):\n\n");
2467
2468         list_for_each_entry(s, &script_specs, node)
2469                 fprintf(stderr, "  %-42s [%s]\n", s->spec, s->ops->name);
2470
2471         fprintf(stderr, "\n");
2472 }
2473
2474 static int parse_scriptname(const struct option *opt __maybe_unused,
2475                             const char *str, int unset __maybe_unused)
2476 {
2477         char spec[PATH_MAX];
2478         const char *script, *ext;
2479         int len;
2480
2481         if (strcmp(str, "lang") == 0) {
2482                 list_available_languages();
2483                 exit(0);
2484         }
2485
2486         script = strchr(str, ':');
2487         if (script) {
2488                 len = script - str;
2489                 if (len >= PATH_MAX) {
2490                         fprintf(stderr, "invalid language specifier");
2491                         return -1;
2492                 }
2493                 strncpy(spec, str, len);
2494                 spec[len] = '\0';
2495                 scripting_ops = script_spec__lookup(spec);
2496                 if (!scripting_ops) {
2497                         fprintf(stderr, "invalid language specifier");
2498                         return -1;
2499                 }
2500                 script++;
2501         } else {
2502                 script = str;
2503                 ext = strrchr(script, '.');
2504                 if (!ext) {
2505                         fprintf(stderr, "invalid script extension");
2506                         return -1;
2507                 }
2508                 scripting_ops = script_spec__lookup(++ext);
2509                 if (!scripting_ops) {
2510                         fprintf(stderr, "invalid script extension");
2511                         return -1;
2512                 }
2513         }
2514
2515         script_name = strdup(script);
2516
2517         return 0;
2518 }
2519
2520 static int parse_output_fields(const struct option *opt __maybe_unused,
2521                             const char *arg, int unset __maybe_unused)
2522 {
2523         char *tok, *strtok_saveptr = NULL;
2524         int i, imax = ARRAY_SIZE(all_output_options);
2525         int j;
2526         int rc = 0;
2527         char *str = strdup(arg);
2528         int type = -1;
2529         enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
2530
2531         if (!str)
2532                 return -ENOMEM;
2533
2534         /* first word can state for which event type the user is specifying
2535          * the fields. If no type exists, the specified fields apply to all
2536          * event types found in the file minus the invalid fields for a type.
2537          */
2538         tok = strchr(str, ':');
2539         if (tok) {
2540                 *tok = '\0';
2541                 tok++;
2542                 if (!strcmp(str, "hw"))
2543                         type = PERF_TYPE_HARDWARE;
2544                 else if (!strcmp(str, "sw"))
2545                         type = PERF_TYPE_SOFTWARE;
2546                 else if (!strcmp(str, "trace"))
2547                         type = PERF_TYPE_TRACEPOINT;
2548                 else if (!strcmp(str, "raw"))
2549                         type = PERF_TYPE_RAW;
2550                 else if (!strcmp(str, "break"))
2551                         type = PERF_TYPE_BREAKPOINT;
2552                 else if (!strcmp(str, "synth"))
2553                         type = OUTPUT_TYPE_SYNTH;
2554                 else {
2555                         fprintf(stderr, "Invalid event type in field string.\n");
2556                         rc = -EINVAL;
2557                         goto out;
2558                 }
2559
2560                 if (output[type].user_set)
2561                         pr_warning("Overriding previous field request for %s events.\n",
2562                                    event_type(type));
2563
2564                 /* Don't override defaults for +- */
2565                 if (strchr(tok, '+') || strchr(tok, '-'))
2566                         goto parse;
2567
2568                 output[type].fields = 0;
2569                 output[type].user_set = true;
2570                 output[type].wildcard_set = false;
2571
2572         } else {
2573                 tok = str;
2574                 if (strlen(str) == 0) {
2575                         fprintf(stderr,
2576                                 "Cannot set fields to 'none' for all event types.\n");
2577                         rc = -EINVAL;
2578                         goto out;
2579                 }
2580
2581                 /* Don't override defaults for +- */
2582                 if (strchr(str, '+') || strchr(str, '-'))
2583                         goto parse;
2584
2585                 if (output_set_by_user())
2586                         pr_warning("Overriding previous field request for all events.\n");
2587
2588                 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2589                         output[j].fields = 0;
2590                         output[j].user_set = true;
2591                         output[j].wildcard_set = true;
2592                 }
2593         }
2594
2595 parse:
2596         for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
2597                 if (*tok == '+') {
2598                         if (change == SET)
2599                                 goto out_badmix;
2600                         change = ADD;
2601                         tok++;
2602                 } else if (*tok == '-') {
2603                         if (change == SET)
2604                                 goto out_badmix;
2605                         change = REMOVE;
2606                         tok++;
2607                 } else {
2608                         if (change != SET && change != DEFAULT)
2609                                 goto out_badmix;
2610                         change = SET;
2611                 }
2612
2613                 for (i = 0; i < imax; ++i) {
2614                         if (strcmp(tok, all_output_options[i].str) == 0)
2615                                 break;
2616                 }
2617                 if (i == imax && strcmp(tok, "flags") == 0) {
2618                         print_flags = change == REMOVE ? false : true;
2619                         continue;
2620                 }
2621                 if (i == imax) {
2622                         fprintf(stderr, "Invalid field requested.\n");
2623                         rc = -EINVAL;
2624                         goto out;
2625                 }
2626
2627                 if (type == -1) {
2628                         /* add user option to all events types for
2629                          * which it is valid
2630                          */
2631                         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2632                                 if (output[j].invalid_fields & all_output_options[i].field) {
2633                                         pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
2634                                                    all_output_options[i].str, event_type(j));
2635                                 } else {
2636                                         if (change == REMOVE) {
2637                                                 output[j].fields &= ~all_output_options[i].field;
2638                                                 output[j].user_set_fields &= ~all_output_options[i].field;
2639                                         } else {
2640                                                 output[j].fields |= all_output_options[i].field;
2641                                                 output[j].user_set_fields |= all_output_options[i].field;
2642                                         }
2643                                         output[j].user_set = true;
2644                                         output[j].wildcard_set = true;
2645                                 }
2646                         }
2647                 } else {
2648                         if (output[type].invalid_fields & all_output_options[i].field) {
2649                                 fprintf(stderr, "\'%s\' not valid for %s events.\n",
2650                                          all_output_options[i].str, event_type(type));
2651
2652                                 rc = -EINVAL;
2653                                 goto out;
2654                         }
2655                         if (change == REMOVE)
2656                                 output[type].fields &= ~all_output_options[i].field;
2657                         else
2658                                 output[type].fields |= all_output_options[i].field;
2659                         output[type].user_set = true;
2660                         output[type].wildcard_set = true;
2661                 }
2662         }
2663
2664         if (type >= 0) {
2665                 if (output[type].fields == 0) {
2666                         pr_debug("No fields requested for %s type. "
2667                                  "Events will not be displayed.\n", event_type(type));
2668                 }
2669         }
2670         goto out;
2671
2672 out_badmix:
2673         fprintf(stderr, "Cannot mix +-field with overridden fields\n");
2674         rc = -EINVAL;
2675 out:
2676         free(str);
2677         return rc;
2678 }
2679
2680 #define for_each_lang(scripts_path, scripts_dir, lang_dirent)           \
2681         while ((lang_dirent = readdir(scripts_dir)) != NULL)            \
2682                 if ((lang_dirent->d_type == DT_DIR ||                   \
2683                      (lang_dirent->d_type == DT_UNKNOWN &&              \
2684                       is_directory(scripts_path, lang_dirent))) &&      \
2685                     (strcmp(lang_dirent->d_name, ".")) &&               \
2686                     (strcmp(lang_dirent->d_name, "..")))
2687
2688 #define for_each_script(lang_path, lang_dir, script_dirent)             \
2689         while ((script_dirent = readdir(lang_dir)) != NULL)             \
2690                 if (script_dirent->d_type != DT_DIR &&                  \
2691                     (script_dirent->d_type != DT_UNKNOWN ||             \
2692                      !is_directory(lang_path, script_dirent)))
2693
2694
2695 #define RECORD_SUFFIX                   "-record"
2696 #define REPORT_SUFFIX                   "-report"
2697
2698 struct script_desc {
2699         struct list_head        node;
2700         char                    *name;
2701         char                    *half_liner;
2702         char                    *args;
2703 };
2704
2705 static LIST_HEAD(script_descs);
2706
2707 static struct script_desc *script_desc__new(const char *name)
2708 {
2709         struct script_desc *s = zalloc(sizeof(*s));
2710
2711         if (s != NULL && name)
2712                 s->name = strdup(name);
2713
2714         return s;
2715 }
2716
2717 static void script_desc__delete(struct script_desc *s)
2718 {
2719         zfree(&s->name);
2720         zfree(&s->half_liner);
2721         zfree(&s->args);
2722         free(s);
2723 }
2724
2725 static void script_desc__add(struct script_desc *s)
2726 {
2727         list_add_tail(&s->node, &script_descs);
2728 }
2729
2730 static struct script_desc *script_desc__find(const char *name)
2731 {
2732         struct script_desc *s;
2733
2734         list_for_each_entry(s, &script_descs, node)
2735                 if (strcasecmp(s->name, name) == 0)
2736                         return s;
2737         return NULL;
2738 }
2739
2740 static struct script_desc *script_desc__findnew(const char *name)
2741 {
2742         struct script_desc *s = script_desc__find(name);
2743
2744         if (s)
2745                 return s;
2746
2747         s = script_desc__new(name);
2748         if (!s)
2749                 return NULL;
2750
2751         script_desc__add(s);
2752
2753         return s;
2754 }
2755
2756 static const char *ends_with(const char *str, const char *suffix)
2757 {
2758         size_t suffix_len = strlen(suffix);
2759         const char *p = str;
2760
2761         if (strlen(str) > suffix_len) {
2762                 p = str + strlen(str) - suffix_len;
2763                 if (!strncmp(p, suffix, suffix_len))
2764                         return p;
2765         }
2766
2767         return NULL;
2768 }
2769
2770 static int read_script_info(struct script_desc *desc, const char *filename)
2771 {
2772         char line[BUFSIZ], *p;
2773         FILE *fp;
2774
2775         fp = fopen(filename, "r");
2776         if (!fp)
2777                 return -1;
2778
2779         while (fgets(line, sizeof(line), fp)) {
2780                 p = ltrim(line);
2781                 if (strlen(p) == 0)
2782                         continue;
2783                 if (*p != '#')
2784                         continue;
2785                 p++;
2786                 if (strlen(p) && *p == '!')
2787                         continue;
2788
2789                 p = ltrim(p);
2790                 if (strlen(p) && p[strlen(p) - 1] == '\n')
2791                         p[strlen(p) - 1] = '\0';
2792
2793                 if (!strncmp(p, "description:", strlen("description:"))) {
2794                         p += strlen("description:");
2795                         desc->half_liner = strdup(ltrim(p));
2796                         continue;
2797                 }
2798
2799                 if (!strncmp(p, "args:", strlen("args:"))) {
2800                         p += strlen("args:");
2801                         desc->args = strdup(ltrim(p));
2802                         continue;
2803                 }
2804         }
2805
2806         fclose(fp);
2807
2808         return 0;
2809 }
2810
2811 static char *get_script_root(struct dirent *script_dirent, const char *suffix)
2812 {
2813         char *script_root, *str;
2814
2815         script_root = strdup(script_dirent->d_name);
2816         if (!script_root)
2817                 return NULL;
2818
2819         str = (char *)ends_with(script_root, suffix);
2820         if (!str) {
2821                 free(script_root);
2822                 return NULL;
2823         }
2824
2825         *str = '\0';
2826         return script_root;
2827 }
2828
2829 static int list_available_scripts(const struct option *opt __maybe_unused,
2830                                   const char *s __maybe_unused,
2831                                   int unset __maybe_unused)
2832 {
2833         struct dirent *script_dirent, *lang_dirent;
2834         char scripts_path[MAXPATHLEN];
2835         DIR *scripts_dir, *lang_dir;
2836         char script_path[MAXPATHLEN];
2837         char lang_path[MAXPATHLEN];
2838         struct script_desc *desc;
2839         char first_half[BUFSIZ];
2840         char *script_root;
2841
2842         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2843
2844         scripts_dir = opendir(scripts_path);
2845         if (!scripts_dir) {
2846                 fprintf(stdout,
2847                         "open(%s) failed.\n"
2848                         "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
2849                         scripts_path);
2850                 exit(-1);
2851         }
2852
2853         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2854                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
2855                           lang_dirent->d_name);
2856                 lang_dir = opendir(lang_path);
2857                 if (!lang_dir)
2858                         continue;
2859
2860                 for_each_script(lang_path, lang_dir, script_dirent) {
2861                         script_root = get_script_root(script_dirent, REPORT_SUFFIX);
2862                         if (script_root) {
2863                                 desc = script_desc__findnew(script_root);
2864                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
2865                                           lang_path, script_dirent->d_name);
2866                                 read_script_info(desc, script_path);
2867                                 free(script_root);
2868                         }
2869                 }
2870         }
2871
2872         fprintf(stdout, "List of available trace scripts:\n");
2873         list_for_each_entry(desc, &script_descs, node) {
2874                 sprintf(first_half, "%s %s", desc->name,
2875                         desc->args ? desc->args : "");
2876                 fprintf(stdout, "  %-36s %s\n", first_half,
2877                         desc->half_liner ? desc->half_liner : "");
2878         }
2879
2880         exit(0);
2881 }
2882
2883 /*
2884  * Some scripts specify the required events in their "xxx-record" file,
2885  * this function will check if the events in perf.data match those
2886  * mentioned in the "xxx-record".
2887  *
2888  * Fixme: All existing "xxx-record" are all in good formats "-e event ",
2889  * which is covered well now. And new parsing code should be added to
2890  * cover the future complexing formats like event groups etc.
2891  */
2892 static int check_ev_match(char *dir_name, char *scriptname,
2893                         struct perf_session *session)
2894 {
2895         char filename[MAXPATHLEN], evname[128];
2896         char line[BUFSIZ], *p;
2897         struct perf_evsel *pos;
2898         int match, len;
2899         FILE *fp;
2900
2901         scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
2902
2903         fp = fopen(filename, "r");
2904         if (!fp)
2905                 return -1;
2906
2907         while (fgets(line, sizeof(line), fp)) {
2908                 p = ltrim(line);
2909                 if (*p == '#')
2910                         continue;
2911
2912                 while (strlen(p)) {
2913                         p = strstr(p, "-e");
2914                         if (!p)
2915                                 break;
2916
2917                         p += 2;
2918                         p = ltrim(p);
2919                         len = strcspn(p, " \t");
2920                         if (!len)
2921                                 break;
2922
2923                         snprintf(evname, len + 1, "%s", p);
2924
2925                         match = 0;
2926                         evlist__for_each_entry(session->evlist, pos) {
2927                                 if (!strcmp(perf_evsel__name(pos), evname)) {
2928                                         match = 1;
2929                                         break;
2930                                 }
2931                         }
2932
2933                         if (!match) {
2934                                 fclose(fp);
2935                                 return -1;
2936                         }
2937                 }
2938         }
2939
2940         fclose(fp);
2941         return 0;
2942 }
2943
2944 /*
2945  * Return -1 if none is found, otherwise the actual scripts number.
2946  *
2947  * Currently the only user of this function is the script browser, which
2948  * will list all statically runnable scripts, select one, execute it and
2949  * show the output in a perf browser.
2950  */
2951 int find_scripts(char **scripts_array, char **scripts_path_array)
2952 {
2953         struct dirent *script_dirent, *lang_dirent;
2954         char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
2955         DIR *scripts_dir, *lang_dir;
2956         struct perf_session *session;
2957         struct perf_data data = {
2958                 .path = input_name,
2959                 .mode = PERF_DATA_MODE_READ,
2960         };
2961         char *temp;
2962         int i = 0;
2963
2964         session = perf_session__new(&data, false, NULL);
2965         if (!session)
2966                 return -1;
2967
2968         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2969
2970         scripts_dir = opendir(scripts_path);
2971         if (!scripts_dir) {
2972                 perf_session__delete(session);
2973                 return -1;
2974         }
2975
2976         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2977                 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
2978                           lang_dirent->d_name);
2979 #ifndef HAVE_LIBPERL_SUPPORT
2980                 if (strstr(lang_path, "perl"))
2981                         continue;
2982 #endif
2983 #ifndef HAVE_LIBPYTHON_SUPPORT
2984                 if (strstr(lang_path, "python"))
2985                         continue;
2986 #endif
2987
2988                 lang_dir = opendir(lang_path);
2989                 if (!lang_dir)
2990                         continue;
2991
2992                 for_each_script(lang_path, lang_dir, script_dirent) {
2993                         /* Skip those real time scripts: xxxtop.p[yl] */
2994                         if (strstr(script_dirent->d_name, "top."))
2995                                 continue;
2996                         sprintf(scripts_path_array[i], "%s/%s", lang_path,
2997                                 script_dirent->d_name);
2998                         temp = strchr(script_dirent->d_name, '.');
2999                         snprintf(scripts_array[i],
3000                                 (temp - script_dirent->d_name) + 1,
3001                                 "%s", script_dirent->d_name);
3002
3003                         if (check_ev_match(lang_path,
3004                                         scripts_array[i], session))
3005                                 continue;
3006
3007                         i++;
3008                 }
3009                 closedir(lang_dir);
3010         }
3011
3012         closedir(scripts_dir);
3013         perf_session__delete(session);
3014         return i;
3015 }
3016
3017 static char *get_script_path(const char *script_root, const char *suffix)
3018 {
3019         struct dirent *script_dirent, *lang_dirent;
3020         char scripts_path[MAXPATHLEN];
3021         char script_path[MAXPATHLEN];
3022         DIR *scripts_dir, *lang_dir;
3023         char lang_path[MAXPATHLEN];
3024         char *__script_root;
3025
3026         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3027
3028         scripts_dir = opendir(scripts_path);
3029         if (!scripts_dir)
3030                 return NULL;
3031
3032         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3033                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3034                           lang_dirent->d_name);
3035                 lang_dir = opendir(lang_path);
3036                 if (!lang_dir)
3037                         continue;
3038
3039                 for_each_script(lang_path, lang_dir, script_dirent) {
3040                         __script_root = get_script_root(script_dirent, suffix);
3041                         if (__script_root && !strcmp(script_root, __script_root)) {
3042                                 free(__script_root);
3043                                 closedir(lang_dir);
3044                                 closedir(scripts_dir);
3045                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3046                                           lang_path, script_dirent->d_name);
3047                                 return strdup(script_path);
3048                         }
3049                         free(__script_root);
3050                 }
3051                 closedir(lang_dir);
3052         }
3053         closedir(scripts_dir);
3054
3055         return NULL;
3056 }
3057
3058 static bool is_top_script(const char *script_path)
3059 {
3060         return ends_with(script_path, "top") == NULL ? false : true;
3061 }
3062
3063 static int has_required_arg(char *script_path)
3064 {
3065         struct script_desc *desc;
3066         int n_args = 0;
3067         char *p;
3068
3069         desc = script_desc__new(NULL);
3070
3071         if (read_script_info(desc, script_path))
3072                 goto out;
3073
3074         if (!desc->args)
3075                 goto out;
3076
3077         for (p = desc->args; *p; p++)
3078                 if (*p == '<')
3079                         n_args++;
3080 out:
3081         script_desc__delete(desc);
3082
3083         return n_args;
3084 }
3085
3086 static int have_cmd(int argc, const char **argv)
3087 {
3088         char **__argv = malloc(sizeof(const char *) * argc);
3089
3090         if (!__argv) {
3091                 pr_err("malloc failed\n");
3092                 return -1;
3093         }
3094
3095         memcpy(__argv, argv, sizeof(const char *) * argc);
3096         argc = parse_options(argc, (const char **)__argv, record_options,
3097                              NULL, PARSE_OPT_STOP_AT_NON_OPTION);
3098         free(__argv);
3099
3100         system_wide = (argc == 0);
3101
3102         return 0;
3103 }
3104
3105 static void script__setup_sample_type(struct perf_script *script)
3106 {
3107         struct perf_session *session = script->session;
3108         u64 sample_type = perf_evlist__combined_sample_type(session->evlist);
3109
3110         if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
3111                 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
3112                     (sample_type & PERF_SAMPLE_STACK_USER)) {
3113                         callchain_param.record_mode = CALLCHAIN_DWARF;
3114                         dwarf_callchain_users = true;
3115                 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
3116                         callchain_param.record_mode = CALLCHAIN_LBR;
3117                 else
3118                         callchain_param.record_mode = CALLCHAIN_FP;
3119         }
3120 }
3121
3122 static int process_stat_round_event(struct perf_session *session,
3123                                     union perf_event *event)
3124 {
3125         struct stat_round_event *round = &event->stat_round;
3126         struct perf_evsel *counter;
3127
3128         evlist__for_each_entry(session->evlist, counter) {
3129                 perf_stat_process_counter(&stat_config, counter);
3130                 process_stat(counter, round->time);
3131         }
3132
3133         process_stat_interval(round->time);
3134         return 0;
3135 }
3136
3137 static int process_stat_config_event(struct perf_session *session __maybe_unused,
3138                                      union perf_event *event)
3139 {
3140         perf_event__read_stat_config(&stat_config, &event->stat_config);
3141         return 0;
3142 }
3143
3144 static int set_maps(struct perf_script *script)
3145 {
3146         struct perf_evlist *evlist = script->session->evlist;
3147
3148         if (!script->cpus || !script->threads)
3149                 return 0;
3150
3151         if (WARN_ONCE(script->allocated, "stats double allocation\n"))
3152                 return -EINVAL;
3153
3154         perf_evlist__set_maps(evlist, script->cpus, script->threads);
3155
3156         if (perf_evlist__alloc_stats(evlist, true))
3157                 return -ENOMEM;
3158
3159         script->allocated = true;
3160         return 0;
3161 }
3162
3163 static
3164 int process_thread_map_event(struct perf_session *session,
3165                              union perf_event *event)
3166 {
3167         struct perf_tool *tool = session->tool;
3168         struct perf_script *script = container_of(tool, struct perf_script, tool);
3169
3170         if (script->threads) {
3171                 pr_warning("Extra thread map event, ignoring.\n");
3172                 return 0;
3173         }
3174
3175         script->threads = thread_map__new_event(&event->thread_map);
3176         if (!script->threads)
3177                 return -ENOMEM;
3178
3179         return set_maps(script);
3180 }
3181
3182 static
3183 int process_cpu_map_event(struct perf_session *session,
3184                           union perf_event *event)
3185 {
3186         struct perf_tool *tool = session->tool;
3187         struct perf_script *script = container_of(tool, struct perf_script, tool);
3188
3189         if (script->cpus) {
3190                 pr_warning("Extra cpu map event, ignoring.\n");
3191                 return 0;
3192         }
3193
3194         script->cpus = cpu_map__new_data(&event->cpu_map.data);
3195         if (!script->cpus)
3196                 return -ENOMEM;
3197
3198         return set_maps(script);
3199 }
3200
3201 static int process_feature_event(struct perf_session *session,
3202                                  union perf_event *event)
3203 {
3204         if (event->feat.feat_id < HEADER_LAST_FEATURE)
3205                 return perf_event__process_feature(session, event);
3206         return 0;
3207 }
3208
3209 #ifdef HAVE_AUXTRACE_SUPPORT
3210 static int perf_script__process_auxtrace_info(struct perf_session *session,
3211                                               union perf_event *event)
3212 {
3213         struct perf_tool *tool = session->tool;
3214
3215         int ret = perf_event__process_auxtrace_info(session, event);
3216
3217         if (ret == 0) {
3218                 struct perf_script *script = container_of(tool, struct perf_script, tool);
3219
3220                 ret = perf_script__setup_per_event_dump(script);
3221         }
3222
3223         return ret;
3224 }
3225 #else
3226 #define perf_script__process_auxtrace_info 0
3227 #endif
3228
3229 static int parse_insn_trace(const struct option *opt __maybe_unused,
3230                             const char *str __maybe_unused,
3231                             int unset __maybe_unused)
3232 {
3233         parse_output_fields(NULL, "+insn,-event,-period", 0);
3234         itrace_parse_synth_opts(opt, "i0ns", 0);
3235         nanosecs = true;
3236         return 0;
3237 }
3238
3239 static int parse_xed(const struct option *opt __maybe_unused,
3240                      const char *str __maybe_unused,
3241                      int unset __maybe_unused)
3242 {
3243         force_pager("xed -F insn: -A -64 | less");
3244         return 0;
3245 }
3246
3247 static int parse_call_trace(const struct option *opt __maybe_unused,
3248                             const char *str __maybe_unused,
3249                             int unset __maybe_unused)
3250 {
3251         parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
3252         itrace_parse_synth_opts(opt, "cewp", 0);
3253         nanosecs = true;
3254         return 0;
3255 }
3256
3257 static int parse_callret_trace(const struct option *opt __maybe_unused,
3258                             const char *str __maybe_unused,
3259                             int unset __maybe_unused)
3260 {
3261         parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
3262         itrace_parse_synth_opts(opt, "crewp", 0);
3263         nanosecs = true;
3264         return 0;
3265 }
3266
3267 int cmd_script(int argc, const char **argv)
3268 {
3269         bool show_full_info = false;
3270         bool header = false;
3271         bool header_only = false;
3272         bool script_started = false;
3273         char *rec_script_path = NULL;
3274         char *rep_script_path = NULL;
3275         struct perf_session *session;
3276         struct itrace_synth_opts itrace_synth_opts = {
3277                 .set = false,
3278                 .default_no_sample = true,
3279         };
3280         char *script_path = NULL;
3281         const char **__argv;
3282         int i, j, err = 0;
3283         struct perf_script script = {
3284                 .tool = {
3285                         .sample          = process_sample_event,
3286                         .mmap            = perf_event__process_mmap,
3287                         .mmap2           = perf_event__process_mmap2,
3288                         .comm            = perf_event__process_comm,
3289                         .namespaces      = perf_event__process_namespaces,
3290                         .exit            = perf_event__process_exit,
3291                         .fork            = perf_event__process_fork,
3292                         .attr            = process_attr,
3293                         .event_update   = perf_event__process_event_update,
3294                         .tracing_data    = perf_event__process_tracing_data,
3295                         .feature         = process_feature_event,
3296                         .build_id        = perf_event__process_build_id,
3297                         .id_index        = perf_event__process_id_index,
3298                         .auxtrace_info   = perf_script__process_auxtrace_info,
3299                         .auxtrace        = perf_event__process_auxtrace,
3300                         .auxtrace_error  = perf_event__process_auxtrace_error,
3301                         .stat            = perf_event__process_stat_event,
3302                         .stat_round      = process_stat_round_event,
3303                         .stat_config     = process_stat_config_event,
3304                         .thread_map      = process_thread_map_event,
3305                         .cpu_map         = process_cpu_map_event,
3306                         .ordered_events  = true,
3307                         .ordering_requires_timestamps = true,
3308                 },
3309         };
3310         struct perf_data data = {
3311                 .mode = PERF_DATA_MODE_READ,
3312         };
3313         const struct option options[] = {
3314         OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3315                     "dump raw trace in ASCII"),
3316         OPT_INCR('v', "verbose", &verbose,
3317                  "be more verbose (show symbol address, etc)"),
3318         OPT_BOOLEAN('L', "Latency", &latency_format,
3319                     "show latency attributes (irqs/preemption disabled, etc)"),
3320         OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3321                            list_available_scripts),
3322         OPT_CALLBACK('s', "script", NULL, "name",
3323                      "script file name (lang:script name, script name, or *)",
3324                      parse_scriptname),
3325         OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3326                    "generate perf-script.xx script in specified language"),
3327         OPT_STRING('i', "input", &input_name, "file", "input file name"),
3328         OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3329                    "do various checks like samples ordering and lost events"),
3330         OPT_BOOLEAN(0, "header", &header, "Show data header."),
3331         OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3332         OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3333                    "file", "vmlinux pathname"),
3334         OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3335                    "file", "kallsyms pathname"),
3336         OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3337                     "When printing symbols do not display call chain"),
3338         OPT_CALLBACK(0, "symfs", NULL, "directory",
3339                      "Look for files with symbols relative to this directory",
3340                      symbol__config_symfs),
3341         OPT_CALLBACK('F', "fields", NULL, "str",
3342                      "comma separated output fields prepend with 'type:'. "
3343                      "+field to add and -field to remove."
3344                      "Valid types: hw,sw,trace,raw,synth. "
3345                      "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
3346                      "addr,symoff,srcline,period,iregs,uregs,brstack,"
3347                      "brstacksym,flags,bpf-output,brstackinsn,brstackoff,"
3348                      "callindent,insn,insnlen,synth,phys_addr,metric,misc",
3349                      parse_output_fields),
3350         OPT_BOOLEAN('a', "all-cpus", &system_wide,
3351                     "system-wide collection from all CPUs"),
3352         OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3353                    "only consider these symbols"),
3354         OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL,
3355                         "Decode instructions from itrace", parse_insn_trace),
3356         OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
3357                         "Run xed disassembler on output", parse_xed),
3358         OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
3359                         "Decode calls from from itrace", parse_call_trace),
3360         OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
3361                         "Decode calls and returns from itrace", parse_callret_trace),
3362         OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",
3363                         "Only print symbols and callees with --call-trace/--call-ret-trace"),
3364         OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3365                    "Stop display of callgraph at these symbols"),
3366         OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3367         OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3368                    "only display events for these comms"),
3369         OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3370                    "only consider symbols in these pids"),
3371         OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3372                    "only consider symbols in these tids"),
3373         OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3374                      "Set the maximum stack depth when parsing the callchain, "
3375                      "anything beyond the specified depth will be ignored. "
3376                      "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3377         OPT_BOOLEAN('I', "show-info", &show_full_info,
3378                     "display extended information from perf.data file"),
3379         OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3380                     "Show the path of [kernel.kallsyms]"),
3381         OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3382                     "Show the fork/comm/exit events"),
3383         OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3384                     "Show the mmap events"),
3385         OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3386                     "Show context switch events (if recorded)"),
3387         OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3388                     "Show namespace events (if recorded)"),
3389         OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3390                     "Show lost events (if recorded)"),
3391         OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3392                     "Show round events (if recorded)"),
3393         OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
3394                     "Dump trace output to files named by the monitored events"),
3395         OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3396         OPT_INTEGER(0, "max-blocks", &max_blocks,
3397                     "Maximum number of code blocks to dump with brstackinsn"),
3398         OPT_BOOLEAN(0, "ns", &nanosecs,
3399                     "Use 9 decimal places when displaying time"),
3400         OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
3401                             "Instruction Tracing options\n" ITRACE_HELP,
3402                             itrace_parse_synth_opts),
3403         OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
3404                         "Show full source file name path for source lines"),
3405         OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
3406                         "Enable symbol demangling"),
3407         OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
3408                         "Enable kernel symbol demangling"),
3409         OPT_STRING(0, "time", &script.time_str, "str",
3410                    "Time span of interest (start,stop)"),
3411         OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
3412                     "Show inline function"),
3413         OPT_END()
3414         };
3415         const char * const script_subcommands[] = { "record", "report", NULL };
3416         const char *script_usage[] = {
3417                 "perf script [<options>]",
3418                 "perf script [<options>] record <script> [<record-options>] <command>",
3419                 "perf script [<options>] report <script> [script-args]",
3420                 "perf script [<options>] <script> [<record-options>] <command>",
3421                 "perf script [<options>] <top-script> [script-args]",
3422                 NULL
3423         };
3424
3425         perf_set_singlethreaded();
3426
3427         setup_scripting();
3428
3429         argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3430                              PARSE_OPT_STOP_AT_NON_OPTION);
3431
3432         data.path  = input_name;
3433         data.force = symbol_conf.force;
3434
3435         if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
3436                 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
3437                 if (!rec_script_path)
3438                         return cmd_record(argc, argv);
3439         }
3440
3441         if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
3442                 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
3443                 if (!rep_script_path) {
3444                         fprintf(stderr,
3445                                 "Please specify a valid report script"
3446                                 "(see 'perf script -l' for listing)\n");
3447                         return -1;
3448                 }
3449         }
3450
3451         if (itrace_synth_opts.callchain &&
3452             itrace_synth_opts.callchain_sz > scripting_max_stack)
3453                 scripting_max_stack = itrace_synth_opts.callchain_sz;
3454
3455         /* make sure PERF_EXEC_PATH is set for scripts */
3456         set_argv_exec_path(get_argv_exec_path());
3457
3458         if (argc && !script_name && !rec_script_path && !rep_script_path) {
3459                 int live_pipe[2];
3460                 int rep_args;
3461                 pid_t pid;
3462
3463                 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
3464                 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
3465
3466                 if (!rec_script_path && !rep_script_path) {
3467                         usage_with_options_msg(script_usage, options,
3468                                 "Couldn't find script `%s'\n\n See perf"
3469                                 " script -l for available scripts.\n", argv[0]);
3470                 }
3471
3472                 if (is_top_script(argv[0])) {
3473                         rep_args = argc - 1;
3474                 } else {
3475                         int rec_args;
3476
3477                         rep_args = has_required_arg(rep_script_path);
3478                         rec_args = (argc - 1) - rep_args;
3479                         if (rec_args < 0) {
3480                                 usage_with_options_msg(script_usage, options,
3481                                         "`%s' script requires options."
3482                                         "\n\n See perf script -l for available "
3483                                         "scripts and options.\n", argv[0]);
3484                         }
3485                 }
3486
3487                 if (pipe(live_pipe) < 0) {
3488                         perror("failed to create pipe");
3489                         return -1;
3490                 }
3491
3492                 pid = fork();
3493                 if (pid < 0) {
3494                         perror("failed to fork");
3495                         return -1;
3496                 }
3497
3498                 if (!pid) {
3499                         j = 0;
3500
3501                         dup2(live_pipe[1], 1);
3502                         close(live_pipe[0]);
3503
3504                         if (is_top_script(argv[0])) {
3505                                 system_wide = true;
3506                         } else if (!system_wide) {
3507                                 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
3508                                         err = -1;
3509                                         goto out;
3510                                 }
3511                         }
3512
3513                         __argv = malloc((argc + 6) * sizeof(const char *));
3514                         if (!__argv) {
3515                                 pr_err("malloc failed\n");
3516                                 err = -ENOMEM;
3517                                 goto out;
3518                         }
3519
3520                         __argv[j++] = "/bin/sh";
3521                         __argv[j++] = rec_script_path;
3522                         if (system_wide)
3523                                 __argv[j++] = "-a";
3524                         __argv[j++] = "-q";
3525                         __argv[j++] = "-o";
3526                         __argv[j++] = "-";
3527                         for (i = rep_args + 1; i < argc; i++)
3528                                 __argv[j++] = argv[i];
3529                         __argv[j++] = NULL;
3530
3531                         execvp("/bin/sh", (char **)__argv);
3532                         free(__argv);
3533                         exit(-1);
3534                 }
3535
3536                 dup2(live_pipe[0], 0);
3537                 close(live_pipe[1]);
3538
3539                 __argv = malloc((argc + 4) * sizeof(const char *));
3540                 if (!__argv) {
3541                         pr_err("malloc failed\n");
3542                         err = -ENOMEM;
3543                         goto out;
3544                 }
3545
3546                 j = 0;
3547                 __argv[j++] = "/bin/sh";
3548                 __argv[j++] = rep_script_path;
3549                 for (i = 1; i < rep_args + 1; i++)
3550                         __argv[j++] = argv[i];
3551                 __argv[j++] = "-i";
3552                 __argv[j++] = "-";
3553                 __argv[j++] = NULL;
3554
3555                 execvp("/bin/sh", (char **)__argv);
3556                 free(__argv);
3557                 exit(-1);
3558         }
3559
3560         if (rec_script_path)
3561                 script_path = rec_script_path;
3562         if (rep_script_path)
3563                 script_path = rep_script_path;
3564
3565         if (script_path) {
3566                 j = 0;
3567
3568                 if (!rec_script_path)
3569                         system_wide = false;
3570                 else if (!system_wide) {
3571                         if (have_cmd(argc - 1, &argv[1]) != 0) {
3572                                 err = -1;
3573                                 goto out;
3574                         }
3575                 }
3576
3577                 __argv = malloc((argc + 2) * sizeof(const char *));
3578                 if (!__argv) {
3579                         pr_err("malloc failed\n");
3580                         err = -ENOMEM;
3581                         goto out;
3582                 }
3583
3584                 __argv[j++] = "/bin/sh";
3585                 __argv[j++] = script_path;
3586                 if (system_wide)
3587                         __argv[j++] = "-a";
3588                 for (i = 2; i < argc; i++)
3589                         __argv[j++] = argv[i];
3590                 __argv[j++] = NULL;
3591
3592                 execvp("/bin/sh", (char **)__argv);
3593                 free(__argv);
3594                 exit(-1);
3595         }
3596
3597         if (!script_name) {
3598                 setup_pager();
3599                 use_browser = 0;
3600         }
3601
3602         session = perf_session__new(&data, false, &script.tool);
3603         if (session == NULL)
3604                 return -1;
3605
3606         if (header || header_only) {
3607                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
3608                 perf_session__fprintf_info(session, stdout, show_full_info);
3609                 if (header_only)
3610                         goto out_delete;
3611         }
3612         if (show_full_info)
3613                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
3614
3615         if (symbol__init(&session->header.env) < 0)
3616                 goto out_delete;
3617
3618         script.session = session;
3619         script__setup_sample_type(&script);
3620
3621         if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) ||
3622             symbol_conf.graph_function)
3623                 itrace_synth_opts.thread_stack = true;
3624
3625         session->itrace_synth_opts = &itrace_synth_opts;
3626
3627         if (cpu_list) {
3628                 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
3629                 if (err < 0)
3630                         goto out_delete;
3631                 itrace_synth_opts.cpu_bitmap = cpu_bitmap;
3632         }
3633
3634         if (!no_callchain)
3635                 symbol_conf.use_callchain = true;
3636         else
3637                 symbol_conf.use_callchain = false;
3638
3639         if (session->tevent.pevent &&
3640             tep_set_function_resolver(session->tevent.pevent,
3641                                       machine__resolve_kernel_addr,
3642                                       &session->machines.host) < 0) {
3643                 pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
3644                 err = -1;
3645                 goto out_delete;
3646         }
3647
3648         if (generate_script_lang) {
3649                 struct stat perf_stat;
3650                 int input;
3651
3652                 if (output_set_by_user()) {
3653                         fprintf(stderr,
3654                                 "custom fields not supported for generated scripts");
3655                         err = -EINVAL;
3656                         goto out_delete;
3657                 }
3658
3659                 input = open(data.path, O_RDONLY);      /* input_name */
3660                 if (input < 0) {
3661                         err = -errno;
3662                         perror("failed to open file");
3663                         goto out_delete;
3664                 }
3665
3666                 err = fstat(input, &perf_stat);
3667                 if (err < 0) {
3668                         perror("failed to stat file");
3669                         goto out_delete;
3670                 }
3671
3672                 if (!perf_stat.st_size) {
3673                         fprintf(stderr, "zero-sized file, nothing to do!\n");
3674                         goto out_delete;
3675                 }
3676
3677                 scripting_ops = script_spec__lookup(generate_script_lang);
3678                 if (!scripting_ops) {
3679                         fprintf(stderr, "invalid language specifier");
3680                         err = -ENOENT;
3681                         goto out_delete;
3682                 }
3683
3684                 err = scripting_ops->generate_script(session->tevent.pevent,
3685                                                      "perf-script");
3686                 goto out_delete;
3687         }
3688
3689         if (script_name) {
3690                 err = scripting_ops->start_script(script_name, argc, argv);
3691                 if (err)
3692                         goto out_delete;
3693                 pr_debug("perf script started with script %s\n\n", script_name);
3694                 script_started = true;
3695         }
3696
3697
3698         err = perf_session__check_output_opt(session);
3699         if (err < 0)
3700                 goto out_delete;
3701
3702         if (script.time_str) {
3703                 err = perf_time__parse_for_ranges(script.time_str, session,
3704                                                   &script.ptime_range,
3705                                                   &script.range_size,
3706                                                   &script.range_num);
3707                 if (err < 0)
3708                         goto out_delete;
3709         }
3710
3711         err = __cmd_script(&script);
3712
3713         flush_scripting();
3714
3715 out_delete:
3716         if (script.ptime_range)
3717                 zfree(&script.ptime_range);
3718
3719         perf_evlist__free_stats(session->evlist);
3720         perf_session__delete(session);
3721
3722         if (script_started)
3723                 cleanup_scripting();
3724 out:
3725         return err;
3726 }