tools/perf/builtin-script.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include "builtin.h"
   3
   4 #include "util/counts.h"
   5 #include "util/debug.h"
   6 #include "util/dso.h"
   7 #include <subcmd/exec-cmd.h>
   8 #include "util/header.h"
   9 #include <subcmd/parse-options.h>
  10 #include "util/perf_regs.h"
  11 #include "util/session.h"
  12 #include "util/tool.h"
  13 #include "util/map.h"
  14 #include "util/srcline.h"
  15 #include "util/symbol.h"
  16 #include "util/thread.h"
  17 #include "util/trace-event.h"
  18 #include "util/evlist.h"
  19 #include "util/evsel.h"
  20 #include "util/evsel_fprintf.h"
  21 #include "util/evswitch.h"
  22 #include "util/sort.h"
  23 #include "util/data.h"
  24 #include "util/auxtrace.h"
  25 #include "util/cpumap.h"
  26 #include "util/thread_map.h"
  27 #include "util/stat.h"
  28 #include "util/color.h"
  29 #include "util/string2.h"
  30 #include "util/thread-stack.h"
  31 #include "util/time-utils.h"
  32 #include "util/path.h"
  33 #include "ui/ui.h"
  34 #include "print_binary.h"
  35 #include "archinsn.h"
  36 #include <linux/bitmap.h>
  37 #include <linux/kernel.h>
  38 #include <linux/stringify.h>
  39 #include <linux/time64.h>
  40 #include <linux/zalloc.h>
  41 #include <sys/utsname.h>
  42 #include "asm/bug.h"
  43 #include "util/mem-events.h"
  44 #include "util/dump-insn.h"
  45 #include <dirent.h>
  46 #include <errno.h>
  47 #include <inttypes.h>
  48 #include <signal.h>
  49 #include <sys/param.h>
  50 #include <sys/types.h>
  51 #include <sys/stat.h>
  52 #include <fcntl.h>
  53 #include <unistd.h>
  54 #include <subcmd/pager.h>
  55 #include <perf/evlist.h>
  56 #include <linux/err.h>
  57 #include "util/record.h"
  58 #include "util/util.h"
  59 #include "perf.h"
  60
  61 #include <linux/ctype.h>
  62
  63 static char const               *script_name;
  64 static char const               *generate_script_lang;
  65 static bool                     reltime;
  66 static u64                      initial_time;
  67 static bool                     debug_mode;
  68 static u64                      last_timestamp;
  69 static u64                      nr_unordered;
  70 static bool                     no_callchain;
  71 static bool                     latency_format;
  72 static bool                     system_wide;
  73 static bool                     print_flags;
  74 static const char               *cpu_list;
  75 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
  76 static struct perf_stat_config  stat_config;
  77 static int                      max_blocks;
  78 static bool                     native_arch;
  79
  80 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
  81
  82 enum perf_output_field {
  83         PERF_OUTPUT_COMM            = 1U << 0,
  84         PERF_OUTPUT_TID             = 1U << 1,
  85         PERF_OUTPUT_PID             = 1U << 2,
  86         PERF_OUTPUT_TIME            = 1U << 3,
  87         PERF_OUTPUT_CPU             = 1U << 4,
  88         PERF_OUTPUT_EVNAME          = 1U << 5,
  89         PERF_OUTPUT_TRACE           = 1U << 6,
  90         PERF_OUTPUT_IP              = 1U << 7,
  91         PERF_OUTPUT_SYM             = 1U << 8,
  92         PERF_OUTPUT_DSO             = 1U << 9,
  93         PERF_OUTPUT_ADDR            = 1U << 10,
  94         PERF_OUTPUT_SYMOFFSET       = 1U << 11,
  95         PERF_OUTPUT_SRCLINE         = 1U << 12,
  96         PERF_OUTPUT_PERIOD          = 1U << 13,
  97         PERF_OUTPUT_IREGS           = 1U << 14,
  98         PERF_OUTPUT_BRSTACK         = 1U << 15,
  99         PERF_OUTPUT_BRSTACKSYM      = 1U << 16,
 100         PERF_OUTPUT_DATA_SRC        = 1U << 17,
 101         PERF_OUTPUT_WEIGHT          = 1U << 18,
 102         PERF_OUTPUT_BPF_OUTPUT      = 1U << 19,
 103         PERF_OUTPUT_CALLINDENT      = 1U << 20,
 104         PERF_OUTPUT_INSN            = 1U << 21,
 105         PERF_OUTPUT_INSNLEN         = 1U << 22,
 106         PERF_OUTPUT_BRSTACKINSN     = 1U << 23,
 107         PERF_OUTPUT_BRSTACKOFF      = 1U << 24,
 108         PERF_OUTPUT_SYNTH           = 1U << 25,
 109         PERF_OUTPUT_PHYS_ADDR       = 1U << 26,
 110         PERF_OUTPUT_UREGS           = 1U << 27,
 111         PERF_OUTPUT_METRIC          = 1U << 28,
 112         PERF_OUTPUT_MISC            = 1U << 29,
 113         PERF_OUTPUT_SRCCODE         = 1U << 30,
 114         PERF_OUTPUT_IPC             = 1U << 31,
 115 };
 116
 117 struct output_option {
 118         const char *str;
 119         enum perf_output_field field;
 120 } all_output_options[] = {
 121         {.str = "comm",  .field = PERF_OUTPUT_COMM},
 122         {.str = "tid",   .field = PERF_OUTPUT_TID},
 123         {.str = "pid",   .field = PERF_OUTPUT_PID},
 124         {.str = "time",  .field = PERF_OUTPUT_TIME},
 125         {.str = "cpu",   .field = PERF_OUTPUT_CPU},
 126         {.str = "event", .field = PERF_OUTPUT_EVNAME},
 127         {.str = "trace", .field = PERF_OUTPUT_TRACE},
 128         {.str = "ip",    .field = PERF_OUTPUT_IP},
 129         {.str = "sym",   .field = PERF_OUTPUT_SYM},
 130         {.str = "dso",   .field = PERF_OUTPUT_DSO},
 131         {.str = "addr",  .field = PERF_OUTPUT_ADDR},
 132         {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
 133         {.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
 134         {.str = "period", .field = PERF_OUTPUT_PERIOD},
 135         {.str = "iregs", .field = PERF_OUTPUT_IREGS},
 136         {.str = "uregs", .field = PERF_OUTPUT_UREGS},
 137         {.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
 138         {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
 139         {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
 140         {.str = "weight",   .field = PERF_OUTPUT_WEIGHT},
 141         {.str = "bpf-output",   .field = PERF_OUTPUT_BPF_OUTPUT},
 142         {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
 143         {.str = "insn", .field = PERF_OUTPUT_INSN},
 144         {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
 145         {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
 146         {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
 147         {.str = "synth", .field = PERF_OUTPUT_SYNTH},
 148         {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
 149         {.str = "metric", .field = PERF_OUTPUT_METRIC},
 150         {.str = "misc", .field = PERF_OUTPUT_MISC},
 151         {.str = "srccode", .field = PERF_OUTPUT_SRCCODE},
 152         {.str = "ipc", .field = PERF_OUTPUT_IPC},
 153 };
 154
 155 enum {
 156         OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
 157         OUTPUT_TYPE_MAX
 158 };
 159
 160 /* default set to maintain compatibility with current format */
 161 static struct {
 162         bool user_set;
 163         bool wildcard_set;
 164         unsigned int print_ip_opts;
 165         u64 fields;
 166         u64 invalid_fields;
 167         u64 user_set_fields;
 168 } output[OUTPUT_TYPE_MAX] = {
 169
 170         [PERF_TYPE_HARDWARE] = {
 171                 .user_set = false,
 172
 173                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 174                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 175                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 176                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 177                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 178
 179                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 180         },
 181
 182         [PERF_TYPE_SOFTWARE] = {
 183                 .user_set = false,
 184
 185                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 186                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 187                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 188                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 189                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
 190                               PERF_OUTPUT_BPF_OUTPUT,
 191
 192                 .invalid_fields = PERF_OUTPUT_TRACE,
 193         },
 194
 195         [PERF_TYPE_TRACEPOINT] = {
 196                 .user_set = false,
 197
 198                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 199                                   PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 200                                   PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
 201         },
 202
 203         [PERF_TYPE_HW_CACHE] = {
 204                 .user_set = false,
 205
 206                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 207                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 208                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 209                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 210                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 211
 212                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 213         },
 214
 215         [PERF_TYPE_RAW] = {
 216                 .user_set = false,
 217
 218                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 219                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 220                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 221                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 222                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
 223                               PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
 224                               PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR,
 225
 226                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 227         },
 228
 229         [PERF_TYPE_BREAKPOINT] = {
 230                 .user_set = false,
 231
 232                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 233                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 234                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 235                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 236                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 237
 238                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 239         },
 240
 241         [OUTPUT_TYPE_SYNTH] = {
 242                 .user_set = false,
 243
 244                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 245                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 246                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 247                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 248                               PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH,
 249
 250                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 251         },
 252 };
 253
 254 struct evsel_script {
 255        char *filename;
 256        FILE *fp;
 257        u64  samples;
 258        /* For metric output */
 259        u64  val;
 260        int  gnum;
 261 };
 262
 263 static inline struct evsel_script *evsel_script(struct evsel *evsel)
 264 {
 265         return (struct evsel_script *)evsel->priv;
 266 }
 267
 268 static struct evsel_script *perf_evsel_script__new(struct evsel *evsel,
 269                                                         struct perf_data *data)
 270 {
 271         struct evsel_script *es = zalloc(sizeof(*es));
 272
 273         if (es != NULL) {
 274                 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, perf_evsel__name(evsel)) < 0)
 275                         goto out_free;
 276                 es->fp = fopen(es->filename, "w");
 277                 if (es->fp == NULL)
 278                         goto out_free_filename;
 279         }
 280
 281         return es;
 282 out_free_filename:
 283         zfree(&es->filename);
 284 out_free:
 285         free(es);
 286         return NULL;
 287 }
 288
 289 static void perf_evsel_script__delete(struct evsel_script *es)
 290 {
 291         zfree(&es->filename);
 292         fclose(es->fp);
 293         es->fp = NULL;
 294         free(es);
 295 }
 296
 297 static int perf_evsel_script__fprintf(struct evsel_script *es, FILE *fp)
 298 {
 299         struct stat st;
 300
 301         fstat(fileno(es->fp), &st);
 302         return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
 303                        st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
 304 }
 305
 306 static inline int output_type(unsigned int type)
 307 {
 308         switch (type) {
 309         case PERF_TYPE_SYNTH:
 310                 return OUTPUT_TYPE_SYNTH;
 311         default:
 312                 return type;
 313         }
 314 }
 315
 316 static inline unsigned int attr_type(unsigned int type)
 317 {
 318         switch (type) {
 319         case OUTPUT_TYPE_SYNTH:
 320                 return PERF_TYPE_SYNTH;
 321         default:
 322                 return type;
 323         }
 324 }
 325
 326 static bool output_set_by_user(void)
 327 {
 328         int j;
 329         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 330                 if (output[j].user_set)
 331                         return true;
 332         }
 333         return false;
 334 }
 335
 336 static const char *output_field2str(enum perf_output_field field)
 337 {
 338         int i, imax = ARRAY_SIZE(all_output_options);
 339         const char *str = "";
 340
 341         for (i = 0; i < imax; ++i) {
 342                 if (all_output_options[i].field == field) {
 343                         str = all_output_options[i].str;
 344                         break;
 345                 }
 346         }
 347         return str;
 348 }
 349
 350 #define PRINT_FIELD(x)  (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
 351
 352 static int perf_evsel__do_check_stype(struct evsel *evsel,
 353                                       u64 sample_type, const char *sample_msg,
 354                                       enum perf_output_field field,
 355                                       bool allow_user_set)
 356 {
 357         struct perf_event_attr *attr = &evsel->core.attr;
 358         int type = output_type(attr->type);
 359         const char *evname;
 360
 361         if (attr->sample_type & sample_type)
 362                 return 0;
 363
 364         if (output[type].user_set_fields & field) {
 365                 if (allow_user_set)
 366                         return 0;
 367                 evname = perf_evsel__name(evsel);
 368                 pr_err("Samples for '%s' event do not have %s attribute set. "
 369                        "Cannot print '%s' field.\n",
 370                        evname, sample_msg, output_field2str(field));
 371                 return -1;
 372         }
 373
 374         /* user did not ask for it explicitly so remove from the default list */
 375         output[type].fields &= ~field;
 376         evname = perf_evsel__name(evsel);
 377         pr_debug("Samples for '%s' event do not have %s attribute set. "
 378                  "Skipping '%s' field.\n",
 379                  evname, sample_msg, output_field2str(field));
 380
 381         return 0;
 382 }
 383
 384 static int perf_evsel__check_stype(struct evsel *evsel,
 385                                    u64 sample_type, const char *sample_msg,
 386                                    enum perf_output_field field)
 387 {
 388         return perf_evsel__do_check_stype(evsel, sample_type, sample_msg, field,
 389                                           false);
 390 }
 391
 392 static int perf_evsel__check_attr(struct evsel *evsel,
 393                                   struct perf_session *session)
 394 {
 395         struct perf_event_attr *attr = &evsel->core.attr;
 396         bool allow_user_set;
 397
 398         if (perf_header__has_feat(&session->header, HEADER_STAT))
 399                 return 0;
 400
 401         allow_user_set = perf_header__has_feat(&session->header,
 402                                                HEADER_AUXTRACE);
 403
 404         if (PRINT_FIELD(TRACE) &&
 405                 !perf_session__has_traces(session, "record -R"))
 406                 return -EINVAL;
 407
 408         if (PRINT_FIELD(IP)) {
 409                 if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP",
 410                                             PERF_OUTPUT_IP))
 411                         return -EINVAL;
 412         }
 413
 414         if (PRINT_FIELD(ADDR) &&
 415                 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR",
 416                                            PERF_OUTPUT_ADDR, allow_user_set))
 417                 return -EINVAL;
 418
 419         if (PRINT_FIELD(DATA_SRC) &&
 420                 perf_evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC",
 421                                         PERF_OUTPUT_DATA_SRC))
 422                 return -EINVAL;
 423
 424         if (PRINT_FIELD(WEIGHT) &&
 425                 perf_evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT",
 426                                         PERF_OUTPUT_WEIGHT))
 427                 return -EINVAL;
 428
 429         if (PRINT_FIELD(SYM) &&
 430                 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
 431                 pr_err("Display of symbols requested but neither sample IP nor "
 432                            "sample address\navailable. Hence, no addresses to convert "
 433                        "to symbols.\n");
 434                 return -EINVAL;
 435         }
 436         if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
 437                 pr_err("Display of offsets requested but symbol is not"
 438                        "selected.\n");
 439                 return -EINVAL;
 440         }
 441         if (PRINT_FIELD(DSO) &&
 442                 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
 443                 pr_err("Display of DSO requested but no address to convert.\n");
 444                 return -EINVAL;
 445         }
 446         if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) {
 447                 pr_err("Display of source line number requested but sample IP is not\n"
 448                        "selected. Hence, no address to lookup the source line number.\n");
 449                 return -EINVAL;
 450         }
 451         if (PRINT_FIELD(BRSTACKINSN) &&
 452             !(perf_evlist__combined_branch_type(session->evlist) &
 453               PERF_SAMPLE_BRANCH_ANY)) {
 454                 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
 455                        "Hint: run 'perf record -b ...'\n");
 456                 return -EINVAL;
 457         }
 458         if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
 459                 perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID",
 460                                         PERF_OUTPUT_TID|PERF_OUTPUT_PID))
 461                 return -EINVAL;
 462
 463         if (PRINT_FIELD(TIME) &&
 464                 perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME",
 465                                         PERF_OUTPUT_TIME))
 466                 return -EINVAL;
 467
 468         if (PRINT_FIELD(CPU) &&
 469                 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU",
 470                                            PERF_OUTPUT_CPU, allow_user_set))
 471                 return -EINVAL;
 472
 473         if (PRINT_FIELD(IREGS) &&
 474                 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS",
 475                                         PERF_OUTPUT_IREGS))
 476                 return -EINVAL;
 477
 478         if (PRINT_FIELD(UREGS) &&
 479                 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS",
 480                                         PERF_OUTPUT_UREGS))
 481                 return -EINVAL;
 482
 483         if (PRINT_FIELD(PHYS_ADDR) &&
 484                 perf_evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR",
 485                                         PERF_OUTPUT_PHYS_ADDR))
 486                 return -EINVAL;
 487
 488         return 0;
 489 }
 490
 491 static void set_print_ip_opts(struct perf_event_attr *attr)
 492 {
 493         unsigned int type = output_type(attr->type);
 494
 495         output[type].print_ip_opts = 0;
 496         if (PRINT_FIELD(IP))
 497                 output[type].print_ip_opts |= EVSEL__PRINT_IP;
 498
 499         if (PRINT_FIELD(SYM))
 500                 output[type].print_ip_opts |= EVSEL__PRINT_SYM;
 501
 502         if (PRINT_FIELD(DSO))
 503                 output[type].print_ip_opts |= EVSEL__PRINT_DSO;
 504
 505         if (PRINT_FIELD(SYMOFFSET))
 506                 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
 507
 508         if (PRINT_FIELD(SRCLINE))
 509                 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
 510 }
 511
 512 /*
 513  * verify all user requested events exist and the samples
 514  * have the expected data
 515  */
 516 static int perf_session__check_output_opt(struct perf_session *session)
 517 {
 518         unsigned int j;
 519         struct evsel *evsel;
 520
 521         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 522                 evsel = perf_session__find_first_evtype(session, attr_type(j));
 523
 524                 /*
 525                  * even if fields is set to 0 (ie., show nothing) event must
 526                  * exist if user explicitly includes it on the command line
 527                  */
 528                 if (!evsel && output[j].user_set && !output[j].wildcard_set &&
 529                     j != OUTPUT_TYPE_SYNTH) {
 530                         pr_err("%s events do not exist. "
 531                                "Remove corresponding -F option to proceed.\n",
 532                                event_type(j));
 533                         return -1;
 534                 }
 535
 536                 if (evsel && output[j].fields &&
 537                         perf_evsel__check_attr(evsel, session))
 538                         return -1;
 539
 540                 if (evsel == NULL)
 541                         continue;
 542
 543                 set_print_ip_opts(&evsel->core.attr);
 544         }
 545
 546         if (!no_callchain) {
 547                 bool use_callchain = false;
 548                 bool not_pipe = false;
 549
 550                 evlist__for_each_entry(session->evlist, evsel) {
 551                         not_pipe = true;
 552                         if (evsel__has_callchain(evsel)) {
 553                                 use_callchain = true;
 554                                 break;
 555                         }
 556                 }
 557                 if (not_pipe && !use_callchain)
 558                         symbol_conf.use_callchain = false;
 559         }
 560
 561         /*
 562          * set default for tracepoints to print symbols only
 563          * if callchains are present
 564          */
 565         if (symbol_conf.use_callchain &&
 566             !output[PERF_TYPE_TRACEPOINT].user_set) {
 567                 j = PERF_TYPE_TRACEPOINT;
 568
 569                 evlist__for_each_entry(session->evlist, evsel) {
 570                         if (evsel->core.attr.type != j)
 571                                 continue;
 572
 573                         if (evsel__has_callchain(evsel)) {
 574                                 output[j].fields |= PERF_OUTPUT_IP;
 575                                 output[j].fields |= PERF_OUTPUT_SYM;
 576                                 output[j].fields |= PERF_OUTPUT_SYMOFFSET;
 577                                 output[j].fields |= PERF_OUTPUT_DSO;
 578                                 set_print_ip_opts(&evsel->core.attr);
 579                                 goto out;
 580                         }
 581                 }
 582         }
 583
 584 out:
 585         return 0;
 586 }
 587
 588 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask,
 589                                      FILE *fp
 590 )
 591 {
 592         unsigned i = 0, r;
 593         int printed = 0;
 594
 595         if (!regs || !regs->regs)
 596                 return 0;
 597
 598         printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
 599
 600         for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
 601                 u64 val = regs->regs[i++];
 602                 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
 603         }
 604
 605         fprintf(fp, "\n");
 606
 607         return printed;
 608 }
 609
 610 static int perf_sample__fprintf_iregs(struct perf_sample *sample,
 611                                       struct perf_event_attr *attr, FILE *fp)
 612 {
 613         return perf_sample__fprintf_regs(&sample->intr_regs,
 614                                          attr->sample_regs_intr, fp);
 615 }
 616
 617 static int perf_sample__fprintf_uregs(struct perf_sample *sample,
 618                                       struct perf_event_attr *attr, FILE *fp)
 619 {
 620         return perf_sample__fprintf_regs(&sample->user_regs,
 621                                          attr->sample_regs_user, fp);
 622 }
 623
 624 static int perf_sample__fprintf_start(struct perf_sample *sample,
 625                                       struct thread *thread,
 626                                       struct evsel *evsel,
 627                                       u32 type, FILE *fp)
 628 {
 629         struct perf_event_attr *attr = &evsel->core.attr;
 630         unsigned long secs;
 631         unsigned long long nsecs;
 632         int printed = 0;
 633
 634         if (PRINT_FIELD(COMM)) {
 635                 if (latency_format)
 636                         printed += fprintf(fp, "%8.8s ", thread__comm_str(thread));
 637                 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
 638                         printed += fprintf(fp, "%s ", thread__comm_str(thread));
 639                 else
 640                         printed += fprintf(fp, "%16s ", thread__comm_str(thread));
 641         }
 642
 643         if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
 644                 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid);
 645         else if (PRINT_FIELD(PID))
 646                 printed += fprintf(fp, "%5d ", sample->pid);
 647         else if (PRINT_FIELD(TID))
 648                 printed += fprintf(fp, "%5d ", sample->tid);
 649
 650         if (PRINT_FIELD(CPU)) {
 651                 if (latency_format)
 652                         printed += fprintf(fp, "%3d ", sample->cpu);
 653                 else
 654                         printed += fprintf(fp, "[%03d] ", sample->cpu);
 655         }
 656
 657         if (PRINT_FIELD(MISC)) {
 658                 int ret = 0;
 659
 660                 #define has(m) \
 661                         (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
 662
 663                 if (has(KERNEL))
 664                         ret += fprintf(fp, "K");
 665                 if (has(USER))
 666                         ret += fprintf(fp, "U");
 667                 if (has(HYPERVISOR))
 668                         ret += fprintf(fp, "H");
 669                 if (has(GUEST_KERNEL))
 670                         ret += fprintf(fp, "G");
 671                 if (has(GUEST_USER))
 672                         ret += fprintf(fp, "g");
 673
 674                 switch (type) {
 675                 case PERF_RECORD_MMAP:
 676                 case PERF_RECORD_MMAP2:
 677                         if (has(MMAP_DATA))
 678                                 ret += fprintf(fp, "M");
 679                         break;
 680                 case PERF_RECORD_COMM:
 681                         if (has(COMM_EXEC))
 682                                 ret += fprintf(fp, "E");
 683                         break;
 684                 case PERF_RECORD_SWITCH:
 685                 case PERF_RECORD_SWITCH_CPU_WIDE:
 686                         if (has(SWITCH_OUT)) {
 687                                 ret += fprintf(fp, "S");
 688                                 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
 689                                         ret += fprintf(fp, "p");
 690                         }
 691                 default:
 692                         break;
 693                 }
 694
 695                 #undef has
 696
 697                 ret += fprintf(fp, "%*s", 6 - ret, " ");
 698                 printed += ret;
 699         }
 700
 701         if (PRINT_FIELD(TIME)) {
 702                 u64 t = sample->time;
 703                 if (reltime) {
 704                         if (!initial_time)
 705                                 initial_time = sample->time;
 706                         t = sample->time - initial_time;
 707                 }
 708                 nsecs = t;
 709                 secs = nsecs / NSEC_PER_SEC;
 710                 nsecs -= secs * NSEC_PER_SEC;
 711
 712                 if (symbol_conf.nanosecs)
 713                         printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
 714                 else {
 715                         char sample_time[32];
 716                         timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time));
 717                         printed += fprintf(fp, "%12s: ", sample_time);
 718                 }
 719         }
 720
 721         return printed;
 722 }
 723
 724 static inline char
 725 mispred_str(struct branch_entry *br)
 726 {
 727         if (!(br->flags.mispred  || br->flags.predicted))
 728                 return '-';
 729
 730         return br->flags.predicted ? 'P' : 'M';
 731 }
 732
 733 static int perf_sample__fprintf_brstack(struct perf_sample *sample,
 734                                         struct thread *thread,
 735                                         struct perf_event_attr *attr, FILE *fp)
 736 {
 737         struct branch_stack *br = sample->branch_stack;
 738         struct addr_location alf, alt;
 739         u64 i, from, to;
 740         int printed = 0;
 741
 742         if (!(br && br->nr))
 743                 return 0;
 744
 745         for (i = 0; i < br->nr; i++) {
 746                 from = br->entries[i].from;
 747                 to   = br->entries[i].to;
 748
 749                 if (PRINT_FIELD(DSO)) {
 750                         memset(&alf, 0, sizeof(alf));
 751                         memset(&alt, 0, sizeof(alt));
 752                         thread__find_map_fb(thread, sample->cpumode, from, &alf);
 753                         thread__find_map_fb(thread, sample->cpumode, to, &alt);
 754                 }
 755
 756                 printed += fprintf(fp, " 0x%"PRIx64, from);
 757                 if (PRINT_FIELD(DSO)) {
 758                         printed += fprintf(fp, "(");
 759                         printed += map__fprintf_dsoname(alf.map, fp);
 760                         printed += fprintf(fp, ")");
 761                 }
 762
 763                 printed += fprintf(fp, "/0x%"PRIx64, to);
 764                 if (PRINT_FIELD(DSO)) {
 765                         printed += fprintf(fp, "(");
 766                         printed += map__fprintf_dsoname(alt.map, fp);
 767                         printed += fprintf(fp, ")");
 768                 }
 769
 770                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 771                         mispred_str( br->entries + i),
 772                         br->entries[i].flags.in_tx? 'X' : '-',
 773                         br->entries[i].flags.abort? 'A' : '-',
 774                         br->entries[i].flags.cycles);
 775         }
 776
 777         return printed;
 778 }
 779
 780 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
 781                                            struct thread *thread,
 782                                            struct perf_event_attr *attr, FILE *fp)
 783 {
 784         struct branch_stack *br = sample->branch_stack;
 785         struct addr_location alf, alt;
 786         u64 i, from, to;
 787         int printed = 0;
 788
 789         if (!(br && br->nr))
 790                 return 0;
 791
 792         for (i = 0; i < br->nr; i++) {
 793
 794                 memset(&alf, 0, sizeof(alf));
 795                 memset(&alt, 0, sizeof(alt));
 796                 from = br->entries[i].from;
 797                 to   = br->entries[i].to;
 798
 799                 thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
 800                 thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
 801
 802                 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
 803                 if (PRINT_FIELD(DSO)) {
 804                         printed += fprintf(fp, "(");
 805                         printed += map__fprintf_dsoname(alf.map, fp);
 806                         printed += fprintf(fp, ")");
 807                 }
 808                 printed += fprintf(fp, "%c", '/');
 809                 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
 810                 if (PRINT_FIELD(DSO)) {
 811                         printed += fprintf(fp, "(");
 812                         printed += map__fprintf_dsoname(alt.map, fp);
 813                         printed += fprintf(fp, ")");
 814                 }
 815                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 816                         mispred_str( br->entries + i),
 817                         br->entries[i].flags.in_tx? 'X' : '-',
 818                         br->entries[i].flags.abort? 'A' : '-',
 819                         br->entries[i].flags.cycles);
 820         }
 821
 822         return printed;
 823 }
 824
 825 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
 826                                            struct thread *thread,
 827                                            struct perf_event_attr *attr, FILE *fp)
 828 {
 829         struct branch_stack *br = sample->branch_stack;
 830         struct addr_location alf, alt;
 831         u64 i, from, to;
 832         int printed = 0;
 833
 834         if (!(br && br->nr))
 835                 return 0;
 836
 837         for (i = 0; i < br->nr; i++) {
 838
 839                 memset(&alf, 0, sizeof(alf));
 840                 memset(&alt, 0, sizeof(alt));
 841                 from = br->entries[i].from;
 842                 to   = br->entries[i].to;
 843
 844                 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
 845                     !alf.map->dso->adjust_symbols)
 846                         from = map__map_ip(alf.map, from);
 847
 848                 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
 849                     !alt.map->dso->adjust_symbols)
 850                         to = map__map_ip(alt.map, to);
 851
 852                 printed += fprintf(fp, " 0x%"PRIx64, from);
 853                 if (PRINT_FIELD(DSO)) {
 854                         printed += fprintf(fp, "(");
 855                         printed += map__fprintf_dsoname(alf.map, fp);
 856                         printed += fprintf(fp, ")");
 857                 }
 858                 printed += fprintf(fp, "/0x%"PRIx64, to);
 859                 if (PRINT_FIELD(DSO)) {
 860                         printed += fprintf(fp, "(");
 861                         printed += map__fprintf_dsoname(alt.map, fp);
 862                         printed += fprintf(fp, ")");
 863                 }
 864                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 865                         mispred_str(br->entries + i),
 866                         br->entries[i].flags.in_tx ? 'X' : '-',
 867                         br->entries[i].flags.abort ? 'A' : '-',
 868                         br->entries[i].flags.cycles);
 869         }
 870
 871         return printed;
 872 }
 873 #define MAXBB 16384UL
 874
 875 static int grab_bb(u8 *buffer, u64 start, u64 end,
 876                     struct machine *machine, struct thread *thread,
 877                     bool *is64bit, u8 *cpumode, bool last)
 878 {
 879         long offset, len;
 880         struct addr_location al;
 881         bool kernel;
 882
 883         if (!start || !end)
 884                 return 0;
 885
 886         kernel = machine__kernel_ip(machine, start);
 887         if (kernel)
 888                 *cpumode = PERF_RECORD_MISC_KERNEL;
 889         else
 890                 *cpumode = PERF_RECORD_MISC_USER;
 891
 892         /*
 893          * Block overlaps between kernel and user.
 894          * This can happen due to ring filtering
 895          * On Intel CPUs the entry into the kernel is filtered,
 896          * but the exit is not. Let the caller patch it up.
 897          */
 898         if (kernel != machine__kernel_ip(machine, end)) {
 899                 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
 900                 return -ENXIO;
 901         }
 902
 903         memset(&al, 0, sizeof(al));
 904         if (end - start > MAXBB - MAXINSN) {
 905                 if (last)
 906                         pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
 907                 else
 908                         pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
 909                 return 0;
 910         }
 911
 912         if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) {
 913                 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
 914                 return 0;
 915         }
 916         if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
 917                 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
 918                 return 0;
 919         }
 920
 921         /* Load maps to ensure dso->is_64_bit has been updated */
 922         map__load(al.map);
 923
 924         offset = al.map->map_ip(al.map, start);
 925         len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer,
 926                                     end - start + MAXINSN);
 927
 928         *is64bit = al.map->dso->is_64_bit;
 929         if (len <= 0)
 930                 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
 931                         start, end);
 932         return len;
 933 }
 934
 935 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr)
 936 {
 937         struct addr_location al;
 938         int ret = 0;
 939
 940         memset(&al, 0, sizeof(al));
 941         thread__find_map(thread, cpumode, addr, &al);
 942         if (!al.map)
 943                 return 0;
 944         ret = map__fprintf_srccode(al.map, al.addr, stdout,
 945                     &thread->srccode_state);
 946         if (ret)
 947                 ret += printf("\n");
 948         return ret;
 949 }
 950
 951 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
 952                             struct perf_insn *x, u8 *inbuf, int len,
 953                             int insn, FILE *fp, int *total_cycles)
 954 {
 955         int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip,
 956                               dump_insn(x, ip, inbuf, len, NULL),
 957                               en->flags.predicted ? " PRED" : "",
 958                               en->flags.mispred ? " MISPRED" : "",
 959                               en->flags.in_tx ? " INTX" : "",
 960                               en->flags.abort ? " ABORT" : "");
 961         if (en->flags.cycles) {
 962                 *total_cycles += en->flags.cycles;
 963                 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles);
 964                 if (insn)
 965                         printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
 966         }
 967         return printed + fprintf(fp, "\n");
 968 }
 969
 970 static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
 971                            u8 cpumode, int cpu, struct symbol **lastsym,
 972                            struct perf_event_attr *attr, FILE *fp)
 973 {
 974         struct addr_location al;
 975         int off, printed = 0;
 976
 977         memset(&al, 0, sizeof(al));
 978
 979         thread__find_map(thread, cpumode, addr, &al);
 980
 981         if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
 982                 return 0;
 983
 984         al.cpu = cpu;
 985         al.sym = NULL;
 986         if (al.map)
 987                 al.sym = map__find_symbol(al.map, al.addr);
 988
 989         if (!al.sym)
 990                 return 0;
 991
 992         if (al.addr < al.sym->end)
 993                 off = al.addr - al.sym->start;
 994         else
 995                 off = al.addr - al.map->start - al.sym->start;
 996         printed += fprintf(fp, "\t%s", al.sym->name);
 997         if (off)
 998                 printed += fprintf(fp, "%+d", off);
 999         printed += fprintf(fp, ":");
1000         if (PRINT_FIELD(SRCLINE))
1001                 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
1002         printed += fprintf(fp, "\n");
1003         *lastsym = al.sym;
1004
1005         return printed;
1006 }
1007
1008 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
1009                                             struct thread *thread,
1010                                             struct perf_event_attr *attr,
1011                                             struct machine *machine, FILE *fp)
1012 {
1013         struct branch_stack *br = sample->branch_stack;
1014         u64 start, end;
1015         int i, insn, len, nr, ilen, printed = 0;
1016         struct perf_insn x;
1017         u8 buffer[MAXBB];
1018         unsigned off;
1019         struct symbol *lastsym = NULL;
1020         int total_cycles = 0;
1021
1022         if (!(br && br->nr))
1023                 return 0;
1024         nr = br->nr;
1025         if (max_blocks && nr > max_blocks + 1)
1026                 nr = max_blocks + 1;
1027
1028         x.thread = thread;
1029         x.cpu = sample->cpu;
1030
1031         printed += fprintf(fp, "%c", '\n');
1032
1033         /* Handle first from jump, of which we don't know the entry. */
1034         len = grab_bb(buffer, br->entries[nr-1].from,
1035                         br->entries[nr-1].from,
1036                         machine, thread, &x.is64bit, &x.cpumode, false);
1037         if (len > 0) {
1038                 printed += ip__fprintf_sym(br->entries[nr - 1].from, thread,
1039                                            x.cpumode, x.cpu, &lastsym, attr, fp);
1040                 printed += ip__fprintf_jump(br->entries[nr - 1].from, &br->entries[nr - 1],
1041                                             &x, buffer, len, 0, fp, &total_cycles);
1042                 if (PRINT_FIELD(SRCCODE))
1043                         printed += print_srccode(thread, x.cpumode, br->entries[nr - 1].from);
1044         }
1045
1046         /* Print all blocks */
1047         for (i = nr - 2; i >= 0; i--) {
1048                 if (br->entries[i].from || br->entries[i].to)
1049                         pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1050                                  br->entries[i].from,
1051                                  br->entries[i].to);
1052                 start = br->entries[i + 1].to;
1053                 end   = br->entries[i].from;
1054
1055                 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1056                 /* Patch up missing kernel transfers due to ring filters */
1057                 if (len == -ENXIO && i > 0) {
1058                         end = br->entries[--i].from;
1059                         pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1060                         len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1061                 }
1062                 if (len <= 0)
1063                         continue;
1064
1065                 insn = 0;
1066                 for (off = 0; off < (unsigned)len; off += ilen) {
1067                         uint64_t ip = start + off;
1068
1069                         printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1070                         if (ip == end) {
1071                                 printed += ip__fprintf_jump(ip, &br->entries[i], &x, buffer + off, len - off, ++insn, fp,
1072                                                             &total_cycles);
1073                                 if (PRINT_FIELD(SRCCODE))
1074                                         printed += print_srccode(thread, x.cpumode, ip);
1075                                 break;
1076                         } else {
1077                                 ilen = 0;
1078                                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip,
1079                                                    dump_insn(&x, ip, buffer + off, len - off, &ilen));
1080                                 if (ilen == 0)
1081                                         break;
1082                                 if (PRINT_FIELD(SRCCODE))
1083                                         print_srccode(thread, x.cpumode, ip);
1084                                 insn++;
1085                         }
1086                 }
1087                 if (off != (unsigned)len)
1088                         printed += fprintf(fp, "\tmismatch of LBR data and executable\n");
1089         }
1090
1091         /*
1092          * Hit the branch? In this case we are already done, and the target
1093          * has not been executed yet.
1094          */
1095         if (br->entries[0].from == sample->ip)
1096                 goto out;
1097         if (br->entries[0].flags.abort)
1098                 goto out;
1099
1100         /*
1101          * Print final block upto sample
1102          *
1103          * Due to pipeline delays the LBRs might be missing a branch
1104          * or two, which can result in very large or negative blocks
1105          * between final branch and sample. When this happens just
1106          * continue walking after the last TO until we hit a branch.
1107          */
1108         start = br->entries[0].to;
1109         end = sample->ip;
1110         if (end < start) {
1111                 /* Missing jump. Scan 128 bytes for the next branch */
1112                 end = start + 128;
1113         }
1114         len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1115         printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1116         if (len <= 0) {
1117                 /* Print at least last IP if basic block did not work */
1118                 len = grab_bb(buffer, sample->ip, sample->ip,
1119                               machine, thread, &x.is64bit, &x.cpumode, false);
1120                 if (len <= 0)
1121                         goto out;
1122                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip,
1123                         dump_insn(&x, sample->ip, buffer, len, NULL));
1124                 if (PRINT_FIELD(SRCCODE))
1125                         print_srccode(thread, x.cpumode, sample->ip);
1126                 goto out;
1127         }
1128         for (off = 0; off <= end - start; off += ilen) {
1129                 ilen = 0;
1130                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off,
1131                                    dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1132                 if (ilen == 0)
1133                         break;
1134                 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) {
1135                         /*
1136                          * Hit a missing branch. Just stop.
1137                          */
1138                         printed += fprintf(fp, "\t... not reaching sample ...\n");
1139                         break;
1140                 }
1141                 if (PRINT_FIELD(SRCCODE))
1142                         print_srccode(thread, x.cpumode, start + off);
1143         }
1144 out:
1145         return printed;
1146 }
1147
1148 static int perf_sample__fprintf_addr(struct perf_sample *sample,
1149                                      struct thread *thread,
1150                                      struct perf_event_attr *attr, FILE *fp)
1151 {
1152         struct addr_location al;
1153         int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1154
1155         if (!sample_addr_correlates_sym(attr))
1156                 goto out;
1157
1158         thread__resolve(thread, &al, sample);
1159
1160         if (PRINT_FIELD(SYM)) {
1161                 printed += fprintf(fp, " ");
1162                 if (PRINT_FIELD(SYMOFFSET))
1163                         printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1164                 else
1165                         printed += symbol__fprintf_symname(al.sym, fp);
1166         }
1167
1168         if (PRINT_FIELD(DSO)) {
1169                 printed += fprintf(fp, " (");
1170                 printed += map__fprintf_dsoname(al.map, fp);
1171                 printed += fprintf(fp, ")");
1172         }
1173 out:
1174         return printed;
1175 }
1176
1177 static const char *resolve_branch_sym(struct perf_sample *sample,
1178                                       struct evsel *evsel,
1179                                       struct thread *thread,
1180                                       struct addr_location *al,
1181                                       u64 *ip)
1182 {
1183         struct addr_location addr_al;
1184         struct perf_event_attr *attr = &evsel->core.attr;
1185         const char *name = NULL;
1186
1187         if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1188                 if (sample_addr_correlates_sym(attr)) {
1189                         thread__resolve(thread, &addr_al, sample);
1190                         if (addr_al.sym)
1191                                 name = addr_al.sym->name;
1192                         else
1193                                 *ip = sample->addr;
1194                 } else {
1195                         *ip = sample->addr;
1196                 }
1197         } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1198                 if (al->sym)
1199                         name = al->sym->name;
1200                 else
1201                         *ip = sample->ip;
1202         }
1203         return name;
1204 }
1205
1206 static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1207                                            struct evsel *evsel,
1208                                            struct thread *thread,
1209                                            struct addr_location *al, FILE *fp)
1210 {
1211         struct perf_event_attr *attr = &evsel->core.attr;
1212         size_t depth = thread_stack__depth(thread, sample->cpu);
1213         const char *name = NULL;
1214         static int spacing;
1215         int len = 0;
1216         int dlen = 0;
1217         u64 ip = 0;
1218
1219         /*
1220          * The 'return' has already been popped off the stack so the depth has
1221          * to be adjusted to match the 'call'.
1222          */
1223         if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
1224                 depth += 1;
1225
1226         name = resolve_branch_sym(sample, evsel, thread, al, &ip);
1227
1228         if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
1229                 dlen += fprintf(fp, "(");
1230                 dlen += map__fprintf_dsoname(al->map, fp);
1231                 dlen += fprintf(fp, ")\t");
1232         }
1233
1234         if (name)
1235                 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1236         else if (ip)
1237                 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1238
1239         if (len < 0)
1240                 return len;
1241
1242         /*
1243          * Try to keep the output length from changing frequently so that the
1244          * output lines up more nicely.
1245          */
1246         if (len > spacing || (len && len < spacing - 52))
1247                 spacing = round_up(len + 4, 32);
1248
1249         if (len < spacing)
1250                 len += fprintf(fp, "%*s", spacing - len, "");
1251
1252         return len + dlen;
1253 }
1254
1255 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused,
1256                             struct thread *thread __maybe_unused,
1257                             struct machine *machine __maybe_unused)
1258 {
1259 }
1260
1261 static int perf_sample__fprintf_insn(struct perf_sample *sample,
1262                                      struct perf_event_attr *attr,
1263                                      struct thread *thread,
1264                                      struct machine *machine, FILE *fp)
1265 {
1266         int printed = 0;
1267
1268         if (sample->insn_len == 0 && native_arch)
1269                 arch_fetch_insn(sample, thread, machine);
1270
1271         if (PRINT_FIELD(INSNLEN))
1272                 printed += fprintf(fp, " ilen: %d", sample->insn_len);
1273         if (PRINT_FIELD(INSN) && sample->insn_len) {
1274                 int i;
1275
1276                 printed += fprintf(fp, " insn:");
1277                 for (i = 0; i < sample->insn_len; i++)
1278                         printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
1279         }
1280         if (PRINT_FIELD(BRSTACKINSN))
1281                 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
1282
1283         return printed;
1284 }
1285
1286 static int perf_sample__fprintf_ipc(struct perf_sample *sample,
1287                                     struct perf_event_attr *attr, FILE *fp)
1288 {
1289         unsigned int ipc;
1290
1291         if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt)
1292                 return 0;
1293
1294         ipc = (sample->insn_cnt * 100) / sample->cyc_cnt;
1295
1296         return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ",
1297                        ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt);
1298 }
1299
1300 static int perf_sample__fprintf_bts(struct perf_sample *sample,
1301                                     struct evsel *evsel,
1302                                     struct thread *thread,
1303                                     struct addr_location *al,
1304                                     struct machine *machine, FILE *fp)
1305 {
1306         struct perf_event_attr *attr = &evsel->core.attr;
1307         unsigned int type = output_type(attr->type);
1308         bool print_srcline_last = false;
1309         int printed = 0;
1310
1311         if (PRINT_FIELD(CALLINDENT))
1312                 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp);
1313
1314         /* print branch_from information */
1315         if (PRINT_FIELD(IP)) {
1316                 unsigned int print_opts = output[type].print_ip_opts;
1317                 struct callchain_cursor *cursor = NULL;
1318
1319                 if (symbol_conf.use_callchain && sample->callchain &&
1320                     thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1321                                               sample, NULL, NULL, scripting_max_stack) == 0)
1322                         cursor = &callchain_cursor;
1323
1324                 if (cursor == NULL) {
1325                         printed += fprintf(fp, " ");
1326                         if (print_opts & EVSEL__PRINT_SRCLINE) {
1327                                 print_srcline_last = true;
1328                                 print_opts &= ~EVSEL__PRINT_SRCLINE;
1329                         }
1330                 } else
1331                         printed += fprintf(fp, "\n");
1332
1333                 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor,
1334                                                symbol_conf.bt_stop_list, fp);
1335         }
1336
1337         /* print branch_to information */
1338         if (PRINT_FIELD(ADDR) ||
1339             ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
1340              !output[type].user_set)) {
1341                 printed += fprintf(fp, " => ");
1342                 printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1343         }
1344
1345         printed += perf_sample__fprintf_ipc(sample, attr, fp);
1346
1347         if (print_srcline_last)
1348                 printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
1349
1350         printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1351         printed += fprintf(fp, "\n");
1352         if (PRINT_FIELD(SRCCODE)) {
1353                 int ret = map__fprintf_srccode(al->map, al->addr, stdout,
1354                                          &thread->srccode_state);
1355                 if (ret) {
1356                         printed += ret;
1357                         printed += printf("\n");
1358                 }
1359         }
1360         return printed;
1361 }
1362
1363 static struct {
1364         u32 flags;
1365         const char *name;
1366 } sample_flags[] = {
1367         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1368         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1369         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1370         {PERF_IP_FLAG_BRANCH, "jmp"},
1371         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1372         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1373         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1374         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1375         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1376         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"},
1377         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1378         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1379         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1380         {0, NULL}
1381 };
1382
1383 static const char *sample_flags_to_name(u32 flags)
1384 {
1385         int i;
1386
1387         for (i = 0; sample_flags[i].name ; i++) {
1388                 if (sample_flags[i].flags == flags)
1389                         return sample_flags[i].name;
1390         }
1391
1392         return NULL;
1393 }
1394
1395 static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1396 {
1397         const char *chars = PERF_IP_FLAG_CHARS;
1398         const int n = strlen(PERF_IP_FLAG_CHARS);
1399         bool in_tx = flags & PERF_IP_FLAG_IN_TX;
1400         const char *name = NULL;
1401         char str[33];
1402         int i, pos = 0;
1403
1404         name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX);
1405         if (name)
1406                 return fprintf(fp, "  %-15s%4s ", name, in_tx ? "(x)" : "");
1407
1408         if (flags & PERF_IP_FLAG_TRACE_BEGIN) {
1409                 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN));
1410                 if (name)
1411                         return fprintf(fp, "  tr strt %-7s%4s ", name, in_tx ? "(x)" : "");
1412         }
1413
1414         if (flags & PERF_IP_FLAG_TRACE_END) {
1415                 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END));
1416                 if (name)
1417                         return fprintf(fp, "  tr end  %-7s%4s ", name, in_tx ? "(x)" : "");
1418         }
1419
1420         for (i = 0; i < n; i++, flags >>= 1) {
1421                 if (flags & 1)
1422                         str[pos++] = chars[i];
1423         }
1424         for (; i < 32; i++, flags >>= 1) {
1425                 if (flags & 1)
1426                         str[pos++] = '?';
1427         }
1428         str[pos] = 0;
1429
1430         return fprintf(fp, "  %-19s ", str);
1431 }
1432
1433 struct printer_data {
1434         int line_no;
1435         bool hit_nul;
1436         bool is_printable;
1437 };
1438
1439 static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1440                                       unsigned int val,
1441                                       void *extra, FILE *fp)
1442 {
1443         unsigned char ch = (unsigned char)val;
1444         struct printer_data *printer_data = extra;
1445         int printed = 0;
1446
1447         switch (op) {
1448         case BINARY_PRINT_DATA_BEGIN:
1449                 printed += fprintf(fp, "\n");
1450                 break;
1451         case BINARY_PRINT_LINE_BEGIN:
1452                 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1453                                                         "           ");
1454                 break;
1455         case BINARY_PRINT_ADDR:
1456                 printed += fprintf(fp, " %04x:", val);
1457                 break;
1458         case BINARY_PRINT_NUM_DATA:
1459                 printed += fprintf(fp, " %02x", val);
1460                 break;
1461         case BINARY_PRINT_NUM_PAD:
1462                 printed += fprintf(fp, "   ");
1463                 break;
1464         case BINARY_PRINT_SEP:
1465                 printed += fprintf(fp, "  ");
1466                 break;
1467         case BINARY_PRINT_CHAR_DATA:
1468                 if (printer_data->hit_nul && ch)
1469                         printer_data->is_printable = false;
1470
1471                 if (!isprint(ch)) {
1472                         printed += fprintf(fp, "%c", '.');
1473
1474                         if (!printer_data->is_printable)
1475                                 break;
1476
1477                         if (ch == '\0')
1478                                 printer_data->hit_nul = true;
1479                         else
1480                                 printer_data->is_printable = false;
1481                 } else {
1482                         printed += fprintf(fp, "%c", ch);
1483                 }
1484                 break;
1485         case BINARY_PRINT_CHAR_PAD:
1486                 printed += fprintf(fp, " ");
1487                 break;
1488         case BINARY_PRINT_LINE_END:
1489                 printed += fprintf(fp, "\n");
1490                 printer_data->line_no++;
1491                 break;
1492         case BINARY_PRINT_DATA_END:
1493         default:
1494                 break;
1495         }
1496
1497         return printed;
1498 }
1499
1500 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1501 {
1502         unsigned int nr_bytes = sample->raw_size;
1503         struct printer_data printer_data = {0, false, true};
1504         int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1505                                       sample__fprintf_bpf_output, &printer_data, fp);
1506
1507         if (printer_data.is_printable && printer_data.hit_nul)
1508                 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1509
1510         return printed;
1511 }
1512
1513 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1514 {
1515         if (len > 0 && len < spacing)
1516                 return fprintf(fp, "%*s", spacing - len, "");
1517
1518         return 0;
1519 }
1520
1521 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1522 {
1523         return perf_sample__fprintf_spacing(len, 34, fp);
1524 }
1525
1526 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1527 {
1528         struct perf_synth_intel_ptwrite *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, " IP: %u payload: %#" PRIx64 " ",
1535                      data->ip, le64_to_cpu(data->payload));
1536         return len + perf_sample__fprintf_pt_spacing(len, fp);
1537 }
1538
1539 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1540 {
1541         struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1542         int len;
1543
1544         if (perf_sample__bad_synth_size(sample, *data))
1545                 return 0;
1546
1547         len = fprintf(fp, " hints: %#x extensions: %#x ",
1548                       data->hints, data->extensions);
1549         return len + perf_sample__fprintf_pt_spacing(len, fp);
1550 }
1551
1552 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1553 {
1554         struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1555         int len;
1556
1557         if (perf_sample__bad_synth_size(sample, *data))
1558                 return 0;
1559
1560         len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1561                       data->hw, data->cstate, data->subcstate);
1562         return len + perf_sample__fprintf_pt_spacing(len, fp);
1563 }
1564
1565 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1566 {
1567         struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1568         int len;
1569
1570         if (perf_sample__bad_synth_size(sample, *data))
1571                 return 0;
1572
1573         len = fprintf(fp, " IP: %u ", data->ip);
1574         return len + perf_sample__fprintf_pt_spacing(len, fp);
1575 }
1576
1577 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1578 {
1579         struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1580         int len;
1581
1582         if (perf_sample__bad_synth_size(sample, *data))
1583                 return 0;
1584
1585         len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1586                      data->deepest_cstate, data->last_cstate,
1587                      data->wake_reason);
1588         return len + perf_sample__fprintf_pt_spacing(len, fp);
1589 }
1590
1591 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1592 {
1593         struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1594         unsigned int percent, freq;
1595         int len;
1596
1597         if (perf_sample__bad_synth_size(sample, *data))
1598                 return 0;
1599
1600         freq = (le32_to_cpu(data->freq) + 500) / 1000;
1601         len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1602         if (data->max_nonturbo) {
1603                 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1604                 len += fprintf(fp, "(%3u%%) ", percent);
1605         }
1606         return len + perf_sample__fprintf_pt_spacing(len, fp);
1607 }
1608
1609 static int perf_sample__fprintf_synth(struct perf_sample *sample,
1610                                       struct evsel *evsel, FILE *fp)
1611 {
1612         switch (evsel->core.attr.config) {
1613         case PERF_SYNTH_INTEL_PTWRITE:
1614                 return perf_sample__fprintf_synth_ptwrite(sample, fp);
1615         case PERF_SYNTH_INTEL_MWAIT:
1616                 return perf_sample__fprintf_synth_mwait(sample, fp);
1617         case PERF_SYNTH_INTEL_PWRE:
1618                 return perf_sample__fprintf_synth_pwre(sample, fp);
1619         case PERF_SYNTH_INTEL_EXSTOP:
1620                 return perf_sample__fprintf_synth_exstop(sample, fp);
1621         case PERF_SYNTH_INTEL_PWRX:
1622                 return perf_sample__fprintf_synth_pwrx(sample, fp);
1623         case PERF_SYNTH_INTEL_CBR:
1624                 return perf_sample__fprintf_synth_cbr(sample, fp);
1625         default:
1626                 break;
1627         }
1628
1629         return 0;
1630 }
1631
1632 struct perf_script {
1633         struct perf_tool        tool;
1634         struct perf_session     *session;
1635         bool                    show_task_events;
1636         bool                    show_mmap_events;
1637         bool                    show_switch_events;
1638         bool                    show_namespace_events;
1639         bool                    show_lost_events;
1640         bool                    show_round_events;
1641         bool                    show_bpf_events;
1642         bool                    allocated;
1643         bool                    per_event_dump;
1644         struct evswitch         evswitch;
1645         struct perf_cpu_map     *cpus;
1646         struct perf_thread_map *threads;
1647         int                     name_width;
1648         const char              *time_str;
1649         struct perf_time_interval *ptime_range;
1650         int                     range_size;
1651         int                     range_num;
1652 };
1653
1654 static int perf_evlist__max_name_len(struct evlist *evlist)
1655 {
1656         struct evsel *evsel;
1657         int max = 0;
1658
1659         evlist__for_each_entry(evlist, evsel) {
1660                 int len = strlen(perf_evsel__name(evsel));
1661
1662                 max = MAX(len, max);
1663         }
1664
1665         return max;
1666 }
1667
1668 static int data_src__fprintf(u64 data_src, FILE *fp)
1669 {
1670         struct mem_info mi = { .data_src.val = data_src };
1671         char decode[100];
1672         char out[100];
1673         static int maxlen;
1674         int len;
1675
1676         perf_script__meminfo_scnprintf(decode, 100, &mi);
1677
1678         len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
1679         if (maxlen < len)
1680                 maxlen = len;
1681
1682         return fprintf(fp, "%-*s", maxlen, out);
1683 }
1684
1685 struct metric_ctx {
1686         struct perf_sample      *sample;
1687         struct thread           *thread;
1688         struct evsel    *evsel;
1689         FILE                    *fp;
1690 };
1691
1692 static void script_print_metric(struct perf_stat_config *config __maybe_unused,
1693                                 void *ctx, const char *color,
1694                                 const char *fmt,
1695                                 const char *unit, double val)
1696 {
1697         struct metric_ctx *mctx = ctx;
1698
1699         if (!fmt)
1700                 return;
1701         perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
1702                                    PERF_RECORD_SAMPLE, mctx->fp);
1703         fputs("\tmetric: ", mctx->fp);
1704         if (color)
1705                 color_fprintf(mctx->fp, color, fmt, val);
1706         else
1707                 printf(fmt, val);
1708         fprintf(mctx->fp, " %s\n", unit);
1709 }
1710
1711 static void script_new_line(struct perf_stat_config *config __maybe_unused,
1712                             void *ctx)
1713 {
1714         struct metric_ctx *mctx = ctx;
1715
1716         perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
1717                                    PERF_RECORD_SAMPLE, mctx->fp);
1718         fputs("\tmetric: ", mctx->fp);
1719 }
1720
1721 static void perf_sample__fprint_metric(struct perf_script *script,
1722                                        struct thread *thread,
1723                                        struct evsel *evsel,
1724                                        struct perf_sample *sample,
1725                                        FILE *fp)
1726 {
1727         struct perf_stat_output_ctx ctx = {
1728                 .print_metric = script_print_metric,
1729                 .new_line = script_new_line,
1730                 .ctx = &(struct metric_ctx) {
1731                                 .sample = sample,
1732                                 .thread = thread,
1733                                 .evsel  = evsel,
1734                                 .fp     = fp,
1735                          },
1736                 .force_header = false,
1737         };
1738         struct evsel *ev2;
1739         u64 val;
1740
1741         if (!evsel->stats)
1742                 perf_evlist__alloc_stats(script->session->evlist, false);
1743         if (evsel_script(evsel->leader)->gnum++ == 0)
1744                 perf_stat__reset_shadow_stats();
1745         val = sample->period * evsel->scale;
1746         perf_stat__update_shadow_stats(evsel,
1747                                        val,
1748                                        sample->cpu,
1749                                        &rt_stat);
1750         evsel_script(evsel)->val = val;
1751         if (evsel_script(evsel->leader)->gnum == evsel->leader->core.nr_members) {
1752                 for_each_group_member (ev2, evsel->leader) {
1753                         perf_stat__print_shadow_stats(&stat_config, ev2,
1754                                                       evsel_script(ev2)->val,
1755                                                       sample->cpu,
1756                                                       &ctx,
1757                                                       NULL,
1758                                                       &rt_stat);
1759                 }
1760                 evsel_script(evsel->leader)->gnum = 0;
1761         }
1762 }
1763
1764 static bool show_event(struct perf_sample *sample,
1765                        struct evsel *evsel,
1766                        struct thread *thread,
1767                        struct addr_location *al)
1768 {
1769         int depth = thread_stack__depth(thread, sample->cpu);
1770
1771         if (!symbol_conf.graph_function)
1772                 return true;
1773
1774         if (thread->filter) {
1775                 if (depth <= thread->filter_entry_depth) {
1776                         thread->filter = false;
1777                         return false;
1778                 }
1779                 return true;
1780         } else {
1781                 const char *s = symbol_conf.graph_function;
1782                 u64 ip;
1783                 const char *name = resolve_branch_sym(sample, evsel, thread, al,
1784                                 &ip);
1785                 unsigned nlen;
1786
1787                 if (!name)
1788                         return false;
1789                 nlen = strlen(name);
1790                 while (*s) {
1791                         unsigned len = strcspn(s, ",");
1792                         if (nlen == len && !strncmp(name, s, len)) {
1793                                 thread->filter = true;
1794                                 thread->filter_entry_depth = depth;
1795                                 return true;
1796                         }
1797                         s += len;
1798                         if (*s == ',')
1799                                 s++;
1800                 }
1801                 return false;
1802         }
1803 }
1804
1805 static void process_event(struct perf_script *script,
1806                           struct perf_sample *sample, struct evsel *evsel,
1807                           struct addr_location *al,
1808                           struct machine *machine)
1809 {
1810         struct thread *thread = al->thread;
1811         struct perf_event_attr *attr = &evsel->core.attr;
1812         unsigned int type = output_type(attr->type);
1813         struct evsel_script *es = evsel->priv;
1814         FILE *fp = es->fp;
1815
1816         if (output[type].fields == 0)
1817                 return;
1818
1819         if (!show_event(sample, evsel, thread, al))
1820                 return;
1821
1822         if (evswitch__discard(&script->evswitch, evsel))
1823                 return;
1824
1825         ++es->samples;
1826
1827         perf_sample__fprintf_start(sample, thread, evsel,
1828                                    PERF_RECORD_SAMPLE, fp);
1829
1830         if (PRINT_FIELD(PERIOD))
1831                 fprintf(fp, "%10" PRIu64 " ", sample->period);
1832
1833         if (PRINT_FIELD(EVNAME)) {
1834                 const char *evname = perf_evsel__name(evsel);
1835
1836                 if (!script->name_width)
1837                         script->name_width = perf_evlist__max_name_len(script->session->evlist);
1838
1839                 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
1840         }
1841
1842         if (print_flags)
1843                 perf_sample__fprintf_flags(sample->flags, fp);
1844
1845         if (is_bts_event(attr)) {
1846                 perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp);
1847                 return;
1848         }
1849
1850         if (PRINT_FIELD(TRACE) && sample->raw_data) {
1851                 event_format__fprintf(evsel->tp_format, sample->cpu,
1852                                       sample->raw_data, sample->raw_size, fp);
1853         }
1854
1855         if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
1856                 perf_sample__fprintf_synth(sample, evsel, fp);
1857
1858         if (PRINT_FIELD(ADDR))
1859                 perf_sample__fprintf_addr(sample, thread, attr, fp);
1860
1861         if (PRINT_FIELD(DATA_SRC))
1862                 data_src__fprintf(sample->data_src, fp);
1863
1864         if (PRINT_FIELD(WEIGHT))
1865                 fprintf(fp, "%16" PRIu64, sample->weight);
1866
1867         if (PRINT_FIELD(IP)) {
1868                 struct callchain_cursor *cursor = NULL;
1869
1870                 if (symbol_conf.use_callchain && sample->callchain &&
1871                     thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1872                                               sample, NULL, NULL, scripting_max_stack) == 0)
1873                         cursor = &callchain_cursor;
1874
1875                 fputc(cursor ? '\n' : ' ', fp);
1876                 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor,
1877                                     symbol_conf.bt_stop_list, fp);
1878         }
1879
1880         if (PRINT_FIELD(IREGS))
1881                 perf_sample__fprintf_iregs(sample, attr, fp);
1882
1883         if (PRINT_FIELD(UREGS))
1884                 perf_sample__fprintf_uregs(sample, attr, fp);
1885
1886         if (PRINT_FIELD(BRSTACK))
1887                 perf_sample__fprintf_brstack(sample, thread, attr, fp);
1888         else if (PRINT_FIELD(BRSTACKSYM))
1889                 perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
1890         else if (PRINT_FIELD(BRSTACKOFF))
1891                 perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
1892
1893         if (perf_evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
1894                 perf_sample__fprintf_bpf_output(sample, fp);
1895         perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1896
1897         if (PRINT_FIELD(PHYS_ADDR))
1898                 fprintf(fp, "%16" PRIx64, sample->phys_addr);
1899
1900         perf_sample__fprintf_ipc(sample, attr, fp);
1901
1902         fprintf(fp, "\n");
1903
1904         if (PRINT_FIELD(SRCCODE)) {
1905                 if (map__fprintf_srccode(al->map, al->addr, stdout,
1906                                          &thread->srccode_state))
1907                         printf("\n");
1908         }
1909
1910         if (PRINT_FIELD(METRIC))
1911                 perf_sample__fprint_metric(script, thread, evsel, sample, fp);
1912
1913         if (verbose)
1914                 fflush(fp);
1915 }
1916
1917 static struct scripting_ops     *scripting_ops;
1918
1919 static void __process_stat(struct evsel *counter, u64 tstamp)
1920 {
1921         int nthreads = perf_thread_map__nr(counter->core.threads);
1922         int ncpus = perf_evsel__nr_cpus(counter);
1923         int cpu, thread;
1924         static int header_printed;
1925
1926         if (counter->core.system_wide)
1927                 nthreads = 1;
1928
1929         if (!header_printed) {
1930                 printf("%3s %8s %15s %15s %15s %15s %s\n",
1931                        "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
1932                 header_printed = 1;
1933         }
1934
1935         for (thread = 0; thread < nthreads; thread++) {
1936                 for (cpu = 0; cpu < ncpus; cpu++) {
1937                         struct perf_counts_values *counts;
1938
1939                         counts = perf_counts(counter->counts, cpu, thread);
1940
1941                         printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
1942                                 counter->core.cpus->map[cpu],
1943                                 perf_thread_map__pid(counter->core.threads, thread),
1944                                 counts->val,
1945                                 counts->ena,
1946                                 counts->run,
1947                                 tstamp,
1948                                 perf_evsel__name(counter));
1949                 }
1950         }
1951 }
1952
1953 static void process_stat(struct evsel *counter, u64 tstamp)
1954 {
1955         if (scripting_ops && scripting_ops->process_stat)
1956                 scripting_ops->process_stat(&stat_config, counter, tstamp);
1957         else
1958                 __process_stat(counter, tstamp);
1959 }
1960
1961 static void process_stat_interval(u64 tstamp)
1962 {
1963         if (scripting_ops && scripting_ops->process_stat_interval)
1964                 scripting_ops->process_stat_interval(tstamp);
1965 }
1966
1967 static void setup_scripting(void)
1968 {
1969         setup_perl_scripting();
1970         setup_python_scripting();
1971 }
1972
1973 static int flush_scripting(void)
1974 {
1975         return scripting_ops ? scripting_ops->flush_script() : 0;
1976 }
1977
1978 static int cleanup_scripting(void)
1979 {
1980         pr_debug("\nperf script stopped\n");
1981
1982         return scripting_ops ? scripting_ops->stop_script() : 0;
1983 }
1984
1985 static bool filter_cpu(struct perf_sample *sample)
1986 {
1987         if (cpu_list)
1988                 return !test_bit(sample->cpu, cpu_bitmap);
1989         return false;
1990 }
1991
1992 static int process_sample_event(struct perf_tool *tool,
1993                                 union perf_event *event,
1994                                 struct perf_sample *sample,
1995                                 struct evsel *evsel,
1996                                 struct machine *machine)
1997 {
1998         struct perf_script *scr = container_of(tool, struct perf_script, tool);
1999         struct addr_location al;
2000
2001         if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
2002                                           sample->time)) {
2003                 return 0;
2004         }
2005
2006         if (debug_mode) {
2007                 if (sample->time < last_timestamp) {
2008                         pr_err("Samples misordered, previous: %" PRIu64
2009                                 " this: %" PRIu64 "\n", last_timestamp,
2010                                 sample->time);
2011                         nr_unordered++;
2012                 }
2013                 last_timestamp = sample->time;
2014                 return 0;
2015         }
2016
2017         if (machine__resolve(machine, &al, sample) < 0) {
2018                 pr_err("problem processing %d event, skipping it.\n",
2019                        event->header.type);
2020                 return -1;
2021         }
2022
2023         if (al.filtered)
2024                 goto out_put;
2025
2026         if (filter_cpu(sample))
2027                 goto out_put;
2028
2029         if (scripting_ops)
2030                 scripting_ops->process_event(event, sample, evsel, &al);
2031         else
2032                 process_event(scr, sample, evsel, &al, machine);
2033
2034 out_put:
2035         addr_location__put(&al);
2036         return 0;
2037 }
2038
2039 static int process_attr(struct perf_tool *tool, union perf_event *event,
2040                         struct evlist **pevlist)
2041 {
2042         struct perf_script *scr = container_of(tool, struct perf_script, tool);
2043         struct evlist *evlist;
2044         struct evsel *evsel, *pos;
2045         int err;
2046         static struct evsel_script *es;
2047
2048         err = perf_event__process_attr(tool, event, pevlist);
2049         if (err)
2050                 return err;
2051
2052         evlist = *pevlist;
2053         evsel = evlist__last(*pevlist);
2054
2055         if (!evsel->priv) {
2056                 if (scr->per_event_dump) {
2057                         evsel->priv = perf_evsel_script__new(evsel,
2058                                                 scr->session->data);
2059                 } else {
2060                         es = zalloc(sizeof(*es));
2061                         if (!es)
2062                                 return -ENOMEM;
2063                         es->fp = stdout;
2064                         evsel->priv = es;
2065                 }
2066         }
2067
2068         if (evsel->core.attr.type >= PERF_TYPE_MAX &&
2069             evsel->core.attr.type != PERF_TYPE_SYNTH)
2070                 return 0;
2071
2072         evlist__for_each_entry(evlist, pos) {
2073                 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel)
2074                         return 0;
2075         }
2076
2077         set_print_ip_opts(&evsel->core.attr);
2078
2079         if (evsel->core.attr.sample_type)
2080                 err = perf_evsel__check_attr(evsel, scr->session);
2081
2082         return err;
2083 }
2084
2085 static int process_comm_event(struct perf_tool *tool,
2086                               union perf_event *event,
2087                               struct perf_sample *sample,
2088                               struct machine *machine)
2089 {
2090         struct thread *thread;
2091         struct perf_script *script = container_of(tool, struct perf_script, tool);
2092         struct perf_session *session = script->session;
2093         struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2094         int ret = -1;
2095
2096         thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid);
2097         if (thread == NULL) {
2098                 pr_debug("problem processing COMM event, skipping it.\n");
2099                 return -1;
2100         }
2101
2102         if (perf_event__process_comm(tool, event, sample, machine) < 0)
2103                 goto out;
2104
2105         if (!evsel->core.attr.sample_id_all) {
2106                 sample->cpu = 0;
2107                 sample->time = 0;
2108                 sample->tid = event->comm.tid;
2109                 sample->pid = event->comm.pid;
2110         }
2111         if (!filter_cpu(sample)) {
2112                 perf_sample__fprintf_start(sample, thread, evsel,
2113                                    PERF_RECORD_COMM, stdout);
2114                 perf_event__fprintf(event, stdout);
2115         }
2116         ret = 0;
2117 out:
2118         thread__put(thread);
2119         return ret;
2120 }
2121
2122 static int process_namespaces_event(struct perf_tool *tool,
2123                                     union perf_event *event,
2124                                     struct perf_sample *sample,
2125                                     struct machine *machine)
2126 {
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 evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2131         int ret = -1;
2132
2133         thread = machine__findnew_thread(machine, event->namespaces.pid,
2134                                          event->namespaces.tid);
2135         if (thread == NULL) {
2136                 pr_debug("problem processing NAMESPACES event, skipping it.\n");
2137                 return -1;
2138         }
2139
2140         if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
2141                 goto out;
2142
2143         if (!evsel->core.attr.sample_id_all) {
2144                 sample->cpu = 0;
2145                 sample->time = 0;
2146                 sample->tid = event->namespaces.tid;
2147                 sample->pid = event->namespaces.pid;
2148         }
2149         if (!filter_cpu(sample)) {
2150                 perf_sample__fprintf_start(sample, thread, evsel,
2151                                            PERF_RECORD_NAMESPACES, stdout);
2152                 perf_event__fprintf(event, stdout);
2153         }
2154         ret = 0;
2155 out:
2156         thread__put(thread);
2157         return ret;
2158 }
2159
2160 static int process_fork_event(struct perf_tool *tool,
2161                               union perf_event *event,
2162                               struct perf_sample *sample,
2163                               struct machine *machine)
2164 {
2165         struct thread *thread;
2166         struct perf_script *script = container_of(tool, struct perf_script, tool);
2167         struct perf_session *session = script->session;
2168         struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2169
2170         if (perf_event__process_fork(tool, event, sample, machine) < 0)
2171                 return -1;
2172
2173         thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
2174         if (thread == NULL) {
2175                 pr_debug("problem processing FORK event, skipping it.\n");
2176                 return -1;
2177         }
2178
2179         if (!evsel->core.attr.sample_id_all) {
2180                 sample->cpu = 0;
2181                 sample->time = event->fork.time;
2182                 sample->tid = event->fork.tid;
2183                 sample->pid = event->fork.pid;
2184         }
2185         if (!filter_cpu(sample)) {
2186                 perf_sample__fprintf_start(sample, thread, evsel,
2187                                            PERF_RECORD_FORK, stdout);
2188                 perf_event__fprintf(event, stdout);
2189         }
2190         thread__put(thread);
2191
2192         return 0;
2193 }
2194 static int process_exit_event(struct perf_tool *tool,
2195                               union perf_event *event,
2196                               struct perf_sample *sample,
2197                               struct machine *machine)
2198 {
2199         int err = 0;
2200         struct thread *thread;
2201         struct perf_script *script = container_of(tool, struct perf_script, tool);
2202         struct perf_session *session = script->session;
2203         struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2204
2205         thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
2206         if (thread == NULL) {
2207                 pr_debug("problem processing EXIT event, skipping it.\n");
2208                 return -1;
2209         }
2210
2211         if (!evsel->core.attr.sample_id_all) {
2212                 sample->cpu = 0;
2213                 sample->time = 0;
2214                 sample->tid = event->fork.tid;
2215                 sample->pid = event->fork.pid;
2216         }
2217         if (!filter_cpu(sample)) {
2218                 perf_sample__fprintf_start(sample, thread, evsel,
2219                                            PERF_RECORD_EXIT, stdout);
2220                 perf_event__fprintf(event, stdout);
2221         }
2222
2223         if (perf_event__process_exit(tool, event, sample, machine) < 0)
2224                 err = -1;
2225
2226         thread__put(thread);
2227         return err;
2228 }
2229
2230 static int process_mmap_event(struct perf_tool *tool,
2231                               union perf_event *event,
2232                               struct perf_sample *sample,
2233                               struct machine *machine)
2234 {
2235         struct thread *thread;
2236         struct perf_script *script = container_of(tool, struct perf_script, tool);
2237         struct perf_session *session = script->session;
2238         struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2239
2240         if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2241                 return -1;
2242
2243         thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid);
2244         if (thread == NULL) {
2245                 pr_debug("problem processing MMAP event, skipping it.\n");
2246                 return -1;
2247         }
2248
2249         if (!evsel->core.attr.sample_id_all) {
2250                 sample->cpu = 0;
2251                 sample->time = 0;
2252                 sample->tid = event->mmap.tid;
2253                 sample->pid = event->mmap.pid;
2254         }
2255         if (!filter_cpu(sample)) {
2256                 perf_sample__fprintf_start(sample, thread, evsel,
2257                                            PERF_RECORD_MMAP, stdout);
2258                 perf_event__fprintf(event, stdout);
2259         }
2260         thread__put(thread);
2261         return 0;
2262 }
2263
2264 static int process_mmap2_event(struct perf_tool *tool,
2265                               union perf_event *event,
2266                               struct perf_sample *sample,
2267                               struct machine *machine)
2268 {
2269         struct thread *thread;
2270         struct perf_script *script = container_of(tool, struct perf_script, tool);
2271         struct perf_session *session = script->session;
2272         struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2273
2274         if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2275                 return -1;
2276
2277         thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid);
2278         if (thread == NULL) {
2279                 pr_debug("problem processing MMAP2 event, skipping it.\n");
2280                 return -1;
2281         }
2282
2283         if (!evsel->core.attr.sample_id_all) {
2284                 sample->cpu = 0;
2285                 sample->time = 0;
2286                 sample->tid = event->mmap2.tid;
2287                 sample->pid = event->mmap2.pid;
2288         }
2289         if (!filter_cpu(sample)) {
2290                 perf_sample__fprintf_start(sample, thread, evsel,
2291                                            PERF_RECORD_MMAP2, stdout);
2292                 perf_event__fprintf(event, stdout);
2293         }
2294         thread__put(thread);
2295         return 0;
2296 }
2297
2298 static int process_switch_event(struct perf_tool *tool,
2299                                 union perf_event *event,
2300                                 struct perf_sample *sample,
2301                                 struct machine *machine)
2302 {
2303         struct thread *thread;
2304         struct perf_script *script = container_of(tool, struct perf_script, tool);
2305         struct perf_session *session = script->session;
2306         struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2307
2308         if (perf_event__process_switch(tool, event, sample, machine) < 0)
2309                 return -1;
2310
2311         if (scripting_ops && scripting_ops->process_switch)
2312                 scripting_ops->process_switch(event, sample, machine);
2313
2314         if (!script->show_switch_events)
2315                 return 0;
2316
2317         thread = machine__findnew_thread(machine, sample->pid,
2318                                          sample->tid);
2319         if (thread == NULL) {
2320                 pr_debug("problem processing SWITCH event, skipping it.\n");
2321                 return -1;
2322         }
2323
2324         if (!filter_cpu(sample)) {
2325                 perf_sample__fprintf_start(sample, thread, evsel,
2326                                            PERF_RECORD_SWITCH, stdout);
2327                 perf_event__fprintf(event, stdout);
2328         }
2329         thread__put(thread);
2330         return 0;
2331 }
2332
2333 static int
2334 process_lost_event(struct perf_tool *tool,
2335                    union perf_event *event,
2336                    struct perf_sample *sample,
2337                    struct machine *machine)
2338 {
2339         struct perf_script *script = container_of(tool, struct perf_script, tool);
2340         struct perf_session *session = script->session;
2341         struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2342         struct thread *thread;
2343
2344         thread = machine__findnew_thread(machine, sample->pid,
2345                                          sample->tid);
2346         if (thread == NULL)
2347                 return -1;
2348
2349         if (!filter_cpu(sample)) {
2350                 perf_sample__fprintf_start(sample, thread, evsel,
2351                                            PERF_RECORD_LOST, stdout);
2352                 perf_event__fprintf(event, stdout);
2353         }
2354         thread__put(thread);
2355         return 0;
2356 }
2357
2358 static int
2359 process_finished_round_event(struct perf_tool *tool __maybe_unused,
2360                              union perf_event *event,
2361                              struct ordered_events *oe __maybe_unused)
2362
2363 {
2364         perf_event__fprintf(event, stdout);
2365         return 0;
2366 }
2367
2368 static int
2369 process_bpf_events(struct perf_tool *tool __maybe_unused,
2370                    union perf_event *event,
2371                    struct perf_sample *sample,
2372                    struct machine *machine)
2373 {
2374         struct thread *thread;
2375         struct perf_script *script = container_of(tool, struct perf_script, tool);
2376         struct perf_session *session = script->session;
2377         struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2378
2379         if (machine__process_ksymbol(machine, event, sample) < 0)
2380                 return -1;
2381
2382         if (!evsel->core.attr.sample_id_all) {
2383                 perf_event__fprintf(event, stdout);
2384                 return 0;
2385         }
2386
2387         thread = machine__findnew_thread(machine, sample->pid, sample->tid);
2388         if (thread == NULL) {
2389                 pr_debug("problem processing MMAP event, skipping it.\n");
2390                 return -1;
2391         }
2392
2393         if (!filter_cpu(sample)) {
2394                 perf_sample__fprintf_start(sample, thread, evsel,
2395                                            event->header.type, stdout);
2396                 perf_event__fprintf(event, stdout);
2397         }
2398
2399         thread__put(thread);
2400         return 0;
2401 }
2402
2403 static void sig_handler(int sig __maybe_unused)
2404 {
2405         session_done = 1;
2406 }
2407
2408 static void perf_script__fclose_per_event_dump(struct perf_script *script)
2409 {
2410         struct evlist *evlist = script->session->evlist;
2411         struct evsel *evsel;
2412
2413         evlist__for_each_entry(evlist, evsel) {
2414                 if (!evsel->priv)
2415                         break;
2416                 perf_evsel_script__delete(evsel->priv);
2417                 evsel->priv = NULL;
2418         }
2419 }
2420
2421 static int perf_script__fopen_per_event_dump(struct perf_script *script)
2422 {
2423         struct evsel *evsel;
2424
2425         evlist__for_each_entry(script->session->evlist, evsel) {
2426                 /*
2427                  * Already setup? I.e. we may be called twice in cases like
2428                  * Intel PT, one for the intel_pt// and dummy events, then
2429                  * for the evsels syntheized from the auxtrace info.
2430                  *
2431                  * Ses perf_script__process_auxtrace_info.
2432                  */
2433                 if (evsel->priv != NULL)
2434                         continue;
2435
2436                 evsel->priv = perf_evsel_script__new(evsel, script->session->data);
2437                 if (evsel->priv == NULL)
2438                         goto out_err_fclose;
2439         }
2440
2441         return 0;
2442
2443 out_err_fclose:
2444         perf_script__fclose_per_event_dump(script);
2445         return -1;
2446 }
2447
2448 static int perf_script__setup_per_event_dump(struct perf_script *script)
2449 {
2450         struct evsel *evsel;
2451         static struct evsel_script es_stdout;
2452
2453         if (script->per_event_dump)
2454                 return perf_script__fopen_per_event_dump(script);
2455
2456         es_stdout.fp = stdout;
2457
2458         evlist__for_each_entry(script->session->evlist, evsel)
2459                 evsel->priv = &es_stdout;
2460
2461         return 0;
2462 }
2463
2464 static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2465 {
2466         struct evsel *evsel;
2467
2468         evlist__for_each_entry(script->session->evlist, evsel) {
2469                 struct evsel_script *es = evsel->priv;
2470
2471                 perf_evsel_script__fprintf(es, stdout);
2472                 perf_evsel_script__delete(es);
2473                 evsel->priv = NULL;
2474         }
2475 }
2476
2477 static int __cmd_script(struct perf_script *script)
2478 {
2479         int ret;
2480
2481         signal(SIGINT, sig_handler);
2482
2483         perf_stat__init_shadow_stats();
2484
2485         /* override event processing functions */
2486         if (script->show_task_events) {
2487                 script->tool.comm = process_comm_event;
2488                 script->tool.fork = process_fork_event;
2489                 script->tool.exit = process_exit_event;
2490         }
2491         if (script->show_mmap_events) {
2492                 script->tool.mmap = process_mmap_event;
2493                 script->tool.mmap2 = process_mmap2_event;
2494         }
2495         if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch))
2496                 script->tool.context_switch = process_switch_event;
2497         if (script->show_namespace_events)
2498                 script->tool.namespaces = process_namespaces_event;
2499         if (script->show_lost_events)
2500                 script->tool.lost = process_lost_event;
2501         if (script->show_round_events) {
2502                 script->tool.ordered_events = false;
2503                 script->tool.finished_round = process_finished_round_event;
2504         }
2505         if (script->show_bpf_events) {
2506                 script->tool.ksymbol = process_bpf_events;
2507                 script->tool.bpf     = process_bpf_events;
2508         }
2509
2510         if (perf_script__setup_per_event_dump(script)) {
2511                 pr_err("Couldn't create the per event dump files\n");
2512                 return -1;
2513         }
2514
2515         ret = perf_session__process_events(script->session);
2516
2517         if (script->per_event_dump)
2518                 perf_script__exit_per_event_dump_stats(script);
2519
2520         if (debug_mode)
2521                 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2522
2523         return ret;
2524 }
2525
2526 struct script_spec {
2527         struct list_head        node;
2528         struct scripting_ops    *ops;
2529         char                    spec[0];
2530 };
2531
2532 static LIST_HEAD(script_specs);
2533
2534 static struct script_spec *script_spec__new(const char *spec,
2535                                             struct scripting_ops *ops)
2536 {
2537         struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2538
2539         if (s != NULL) {
2540                 strcpy(s->spec, spec);
2541                 s->ops = ops;
2542         }
2543
2544         return s;
2545 }
2546
2547 static void script_spec__add(struct script_spec *s)
2548 {
2549         list_add_tail(&s->node, &script_specs);
2550 }
2551
2552 static struct script_spec *script_spec__find(const char *spec)
2553 {
2554         struct script_spec *s;
2555
2556         list_for_each_entry(s, &script_specs, node)
2557                 if (strcasecmp(s->spec, spec) == 0)
2558                         return s;
2559         return NULL;
2560 }
2561
2562 int script_spec_register(const char *spec, struct scripting_ops *ops)
2563 {
2564         struct script_spec *s;
2565
2566         s = script_spec__find(spec);
2567         if (s)
2568                 return -1;
2569
2570         s = script_spec__new(spec, ops);
2571         if (!s)
2572                 return -1;
2573         else
2574                 script_spec__add(s);
2575
2576         return 0;
2577 }
2578
2579 static struct scripting_ops *script_spec__lookup(const char *spec)
2580 {
2581         struct script_spec *s = script_spec__find(spec);
2582         if (!s)
2583                 return NULL;
2584
2585         return s->ops;
2586 }
2587
2588 static void list_available_languages(void)
2589 {
2590         struct script_spec *s;
2591
2592         fprintf(stderr, "\n");
2593         fprintf(stderr, "Scripting language extensions (used in "
2594                 "perf script -s [spec:]script.[spec]):\n\n");
2595
2596         list_for_each_entry(s, &script_specs, node)
2597                 fprintf(stderr, "  %-42s [%s]\n", s->spec, s->ops->name);
2598
2599         fprintf(stderr, "\n");
2600 }
2601
2602 static int parse_scriptname(const struct option *opt __maybe_unused,
2603                             const char *str, int unset __maybe_unused)
2604 {
2605         char spec[PATH_MAX];
2606         const char *script, *ext;
2607         int len;
2608
2609         if (strcmp(str, "lang") == 0) {
2610                 list_available_languages();
2611                 exit(0);
2612         }
2613
2614         script = strchr(str, ':');
2615         if (script) {
2616                 len = script - str;
2617                 if (len >= PATH_MAX) {
2618                         fprintf(stderr, "invalid language specifier");
2619                         return -1;
2620                 }
2621                 strncpy(spec, str, len);
2622                 spec[len] = '\0';
2623                 scripting_ops = script_spec__lookup(spec);
2624                 if (!scripting_ops) {
2625                         fprintf(stderr, "invalid language specifier");
2626                         return -1;
2627                 }
2628                 script++;
2629         } else {
2630                 script = str;
2631                 ext = strrchr(script, '.');
2632                 if (!ext) {
2633                         fprintf(stderr, "invalid script extension");
2634                         return -1;
2635                 }
2636                 scripting_ops = script_spec__lookup(++ext);
2637                 if (!scripting_ops) {
2638                         fprintf(stderr, "invalid script extension");
2639                         return -1;
2640                 }
2641         }
2642
2643         script_name = strdup(script);
2644
2645         return 0;
2646 }
2647
2648 static int parse_output_fields(const struct option *opt __maybe_unused,
2649                             const char *arg, int unset __maybe_unused)
2650 {
2651         char *tok, *strtok_saveptr = NULL;
2652         int i, imax = ARRAY_SIZE(all_output_options);
2653         int j;
2654         int rc = 0;
2655         char *str = strdup(arg);
2656         int type = -1;
2657         enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
2658
2659         if (!str)
2660                 return -ENOMEM;
2661
2662         /* first word can state for which event type the user is specifying
2663          * the fields. If no type exists, the specified fields apply to all
2664          * event types found in the file minus the invalid fields for a type.
2665          */
2666         tok = strchr(str, ':');
2667         if (tok) {
2668                 *tok = '\0';
2669                 tok++;
2670                 if (!strcmp(str, "hw"))
2671                         type = PERF_TYPE_HARDWARE;
2672                 else if (!strcmp(str, "sw"))
2673                         type = PERF_TYPE_SOFTWARE;
2674                 else if (!strcmp(str, "trace"))
2675                         type = PERF_TYPE_TRACEPOINT;
2676                 else if (!strcmp(str, "raw"))
2677                         type = PERF_TYPE_RAW;
2678                 else if (!strcmp(str, "break"))
2679                         type = PERF_TYPE_BREAKPOINT;
2680                 else if (!strcmp(str, "synth"))
2681                         type = OUTPUT_TYPE_SYNTH;
2682                 else {
2683                         fprintf(stderr, "Invalid event type in field string.\n");
2684                         rc = -EINVAL;
2685                         goto out;
2686                 }
2687
2688                 if (output[type].user_set)
2689                         pr_warning("Overriding previous field request for %s events.\n",
2690                                    event_type(type));
2691
2692                 /* Don't override defaults for +- */
2693                 if (strchr(tok, '+') || strchr(tok, '-'))
2694                         goto parse;
2695
2696                 output[type].fields = 0;
2697                 output[type].user_set = true;
2698                 output[type].wildcard_set = false;
2699
2700         } else {
2701                 tok = str;
2702                 if (strlen(str) == 0) {
2703                         fprintf(stderr,
2704                                 "Cannot set fields to 'none' for all event types.\n");
2705                         rc = -EINVAL;
2706                         goto out;
2707                 }
2708
2709                 /* Don't override defaults for +- */
2710                 if (strchr(str, '+') || strchr(str, '-'))
2711                         goto parse;
2712
2713                 if (output_set_by_user())
2714                         pr_warning("Overriding previous field request for all events.\n");
2715
2716                 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2717                         output[j].fields = 0;
2718                         output[j].user_set = true;
2719                         output[j].wildcard_set = true;
2720                 }
2721         }
2722
2723 parse:
2724         for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
2725                 if (*tok == '+') {
2726                         if (change == SET)
2727                                 goto out_badmix;
2728                         change = ADD;
2729                         tok++;
2730                 } else if (*tok == '-') {
2731                         if (change == SET)
2732                                 goto out_badmix;
2733                         change = REMOVE;
2734                         tok++;
2735                 } else {
2736                         if (change != SET && change != DEFAULT)
2737                                 goto out_badmix;
2738                         change = SET;
2739                 }
2740
2741                 for (i = 0; i < imax; ++i) {
2742                         if (strcmp(tok, all_output_options[i].str) == 0)
2743                                 break;
2744                 }
2745                 if (i == imax && strcmp(tok, "flags") == 0) {
2746                         print_flags = change == REMOVE ? false : true;
2747                         continue;
2748                 }
2749                 if (i == imax) {
2750                         fprintf(stderr, "Invalid field requested.\n");
2751                         rc = -EINVAL;
2752                         goto out;
2753                 }
2754
2755                 if (type == -1) {
2756                         /* add user option to all events types for
2757                          * which it is valid
2758                          */
2759                         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2760                                 if (output[j].invalid_fields & all_output_options[i].field) {
2761                                         pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
2762                                                    all_output_options[i].str, event_type(j));
2763                                 } else {
2764                                         if (change == REMOVE) {
2765                                                 output[j].fields &= ~all_output_options[i].field;
2766                                                 output[j].user_set_fields &= ~all_output_options[i].field;
2767                                         } else {
2768                                                 output[j].fields |= all_output_options[i].field;
2769                                                 output[j].user_set_fields |= all_output_options[i].field;
2770                                         }
2771                                         output[j].user_set = true;
2772                                         output[j].wildcard_set = true;
2773                                 }
2774                         }
2775                 } else {
2776                         if (output[type].invalid_fields & all_output_options[i].field) {
2777                                 fprintf(stderr, "\'%s\' not valid for %s events.\n",
2778                                          all_output_options[i].str, event_type(type));
2779
2780                                 rc = -EINVAL;
2781                                 goto out;
2782                         }
2783                         if (change == REMOVE)
2784                                 output[type].fields &= ~all_output_options[i].field;
2785                         else
2786                                 output[type].fields |= all_output_options[i].field;
2787                         output[type].user_set = true;
2788                         output[type].wildcard_set = true;
2789                 }
2790         }
2791
2792         if (type >= 0) {
2793                 if (output[type].fields == 0) {
2794                         pr_debug("No fields requested for %s type. "
2795                                  "Events will not be displayed.\n", event_type(type));
2796                 }
2797         }
2798         goto out;
2799
2800 out_badmix:
2801         fprintf(stderr, "Cannot mix +-field with overridden fields\n");
2802         rc = -EINVAL;
2803 out:
2804         free(str);
2805         return rc;
2806 }
2807
2808 #define for_each_lang(scripts_path, scripts_dir, lang_dirent)           \
2809         while ((lang_dirent = readdir(scripts_dir)) != NULL)            \
2810                 if ((lang_dirent->d_type == DT_DIR ||                   \
2811                      (lang_dirent->d_type == DT_UNKNOWN &&              \
2812                       is_directory(scripts_path, lang_dirent))) &&      \
2813                     (strcmp(lang_dirent->d_name, ".")) &&               \
2814                     (strcmp(lang_dirent->d_name, "..")))
2815
2816 #define for_each_script(lang_path, lang_dir, script_dirent)             \
2817         while ((script_dirent = readdir(lang_dir)) != NULL)             \
2818                 if (script_dirent->d_type != DT_DIR &&                  \
2819                     (script_dirent->d_type != DT_UNKNOWN ||             \
2820                      !is_directory(lang_path, script_dirent)))
2821
2822
2823 #define RECORD_SUFFIX                   "-record"
2824 #define REPORT_SUFFIX                   "-report"
2825
2826 struct script_desc {
2827         struct list_head        node;
2828         char                    *name;
2829         char                    *half_liner;
2830         char                    *args;
2831 };
2832
2833 static LIST_HEAD(script_descs);
2834
2835 static struct script_desc *script_desc__new(const char *name)
2836 {
2837         struct script_desc *s = zalloc(sizeof(*s));
2838
2839         if (s != NULL && name)
2840                 s->name = strdup(name);
2841
2842         return s;
2843 }
2844
2845 static void script_desc__delete(struct script_desc *s)
2846 {
2847         zfree(&s->name);
2848         zfree(&s->half_liner);
2849         zfree(&s->args);
2850         free(s);
2851 }
2852
2853 static void script_desc__add(struct script_desc *s)
2854 {
2855         list_add_tail(&s->node, &script_descs);
2856 }
2857
2858 static struct script_desc *script_desc__find(const char *name)
2859 {
2860         struct script_desc *s;
2861
2862         list_for_each_entry(s, &script_descs, node)
2863                 if (strcasecmp(s->name, name) == 0)
2864                         return s;
2865         return NULL;
2866 }
2867
2868 static struct script_desc *script_desc__findnew(const char *name)
2869 {
2870         struct script_desc *s = script_desc__find(name);
2871
2872         if (s)
2873                 return s;
2874
2875         s = script_desc__new(name);
2876         if (!s)
2877                 return NULL;
2878
2879         script_desc__add(s);
2880
2881         return s;
2882 }
2883
2884 static const char *ends_with(const char *str, const char *suffix)
2885 {
2886         size_t suffix_len = strlen(suffix);
2887         const char *p = str;
2888
2889         if (strlen(str) > suffix_len) {
2890                 p = str + strlen(str) - suffix_len;
2891                 if (!strncmp(p, suffix, suffix_len))
2892                         return p;
2893         }
2894
2895         return NULL;
2896 }
2897
2898 static int read_script_info(struct script_desc *desc, const char *filename)
2899 {
2900         char line[BUFSIZ], *p;
2901         FILE *fp;
2902
2903         fp = fopen(filename, "r");
2904         if (!fp)
2905                 return -1;
2906
2907         while (fgets(line, sizeof(line), fp)) {
2908                 p = skip_spaces(line);
2909                 if (strlen(p) == 0)
2910                         continue;
2911                 if (*p != '#')
2912                         continue;
2913                 p++;
2914                 if (strlen(p) && *p == '!')
2915                         continue;
2916
2917                 p = skip_spaces(p);
2918                 if (strlen(p) && p[strlen(p) - 1] == '\n')
2919                         p[strlen(p) - 1] = '\0';
2920
2921                 if (!strncmp(p, "description:", strlen("description:"))) {
2922                         p += strlen("description:");
2923                         desc->half_liner = strdup(skip_spaces(p));
2924                         continue;
2925                 }
2926
2927                 if (!strncmp(p, "args:", strlen("args:"))) {
2928                         p += strlen("args:");
2929                         desc->args = strdup(skip_spaces(p));
2930                         continue;
2931                 }
2932         }
2933
2934         fclose(fp);
2935
2936         return 0;
2937 }
2938
2939 static char *get_script_root(struct dirent *script_dirent, const char *suffix)
2940 {
2941         char *script_root, *str;
2942
2943         script_root = strdup(script_dirent->d_name);
2944         if (!script_root)
2945                 return NULL;
2946
2947         str = (char *)ends_with(script_root, suffix);
2948         if (!str) {
2949                 free(script_root);
2950                 return NULL;
2951         }
2952
2953         *str = '\0';
2954         return script_root;
2955 }
2956
2957 static int list_available_scripts(const struct option *opt __maybe_unused,
2958                                   const char *s __maybe_unused,
2959                                   int unset __maybe_unused)
2960 {
2961         struct dirent *script_dirent, *lang_dirent;
2962         char scripts_path[MAXPATHLEN];
2963         DIR *scripts_dir, *lang_dir;
2964         char script_path[MAXPATHLEN];
2965         char lang_path[MAXPATHLEN];
2966         struct script_desc *desc;
2967         char first_half[BUFSIZ];
2968         char *script_root;
2969
2970         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2971
2972         scripts_dir = opendir(scripts_path);
2973         if (!scripts_dir) {
2974                 fprintf(stdout,
2975                         "open(%s) failed.\n"
2976                         "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
2977                         scripts_path);
2978                 exit(-1);
2979         }
2980
2981         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2982                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
2983                           lang_dirent->d_name);
2984                 lang_dir = opendir(lang_path);
2985                 if (!lang_dir)
2986                         continue;
2987
2988                 for_each_script(lang_path, lang_dir, script_dirent) {
2989                         script_root = get_script_root(script_dirent, REPORT_SUFFIX);
2990                         if (script_root) {
2991                                 desc = script_desc__findnew(script_root);
2992                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
2993                                           lang_path, script_dirent->d_name);
2994                                 read_script_info(desc, script_path);
2995                                 free(script_root);
2996                         }
2997                 }
2998         }
2999
3000         fprintf(stdout, "List of available trace scripts:\n");
3001         list_for_each_entry(desc, &script_descs, node) {
3002                 sprintf(first_half, "%s %s", desc->name,
3003                         desc->args ? desc->args : "");
3004                 fprintf(stdout, "  %-36s %s\n", first_half,
3005                         desc->half_liner ? desc->half_liner : "");
3006         }
3007
3008         exit(0);
3009 }
3010
3011 /*
3012  * Some scripts specify the required events in their "xxx-record" file,
3013  * this function will check if the events in perf.data match those
3014  * mentioned in the "xxx-record".
3015  *
3016  * Fixme: All existing "xxx-record" are all in good formats "-e event ",
3017  * which is covered well now. And new parsing code should be added to
3018  * cover the future complexing formats like event groups etc.
3019  */
3020 static int check_ev_match(char *dir_name, char *scriptname,
3021                         struct perf_session *session)
3022 {
3023         char filename[MAXPATHLEN], evname[128];
3024         char line[BUFSIZ], *p;
3025         struct evsel *pos;
3026         int match, len;
3027         FILE *fp;
3028
3029         scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
3030
3031         fp = fopen(filename, "r");
3032         if (!fp)
3033                 return -1;
3034
3035         while (fgets(line, sizeof(line), fp)) {
3036                 p = skip_spaces(line);
3037                 if (*p == '#')
3038                         continue;
3039
3040                 while (strlen(p)) {
3041                         p = strstr(p, "-e");
3042                         if (!p)
3043                                 break;
3044
3045                         p += 2;
3046                         p = skip_spaces(p);
3047                         len = strcspn(p, " \t");
3048                         if (!len)
3049                                 break;
3050
3051                         snprintf(evname, len + 1, "%s", p);
3052
3053                         match = 0;
3054                         evlist__for_each_entry(session->evlist, pos) {
3055                                 if (!strcmp(perf_evsel__name(pos), evname)) {
3056                                         match = 1;
3057                                         break;
3058                                 }
3059                         }
3060
3061                         if (!match) {
3062                                 fclose(fp);
3063                                 return -1;
3064                         }
3065                 }
3066         }
3067
3068         fclose(fp);
3069         return 0;
3070 }
3071
3072 /*
3073  * Return -1 if none is found, otherwise the actual scripts number.
3074  *
3075  * Currently the only user of this function is the script browser, which
3076  * will list all statically runnable scripts, select one, execute it and
3077  * show the output in a perf browser.
3078  */
3079 int find_scripts(char **scripts_array, char **scripts_path_array, int num,
3080                  int pathlen)
3081 {
3082         struct dirent *script_dirent, *lang_dirent;
3083         char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
3084         DIR *scripts_dir, *lang_dir;
3085         struct perf_session *session;
3086         struct perf_data data = {
3087                 .path = input_name,
3088                 .mode = PERF_DATA_MODE_READ,
3089         };
3090         char *temp;
3091         int i = 0;
3092
3093         session = perf_session__new(&data, false, NULL);
3094         if (IS_ERR(session))
3095                 return PTR_ERR(session);
3096
3097         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3098
3099         scripts_dir = opendir(scripts_path);
3100         if (!scripts_dir) {
3101                 perf_session__delete(session);
3102                 return -1;
3103         }
3104
3105         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3106                 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
3107                           lang_dirent->d_name);
3108 #ifndef HAVE_LIBPERL_SUPPORT
3109                 if (strstr(lang_path, "perl"))
3110                         continue;
3111 #endif
3112 #ifndef HAVE_LIBPYTHON_SUPPORT
3113                 if (strstr(lang_path, "python"))
3114                         continue;
3115 #endif
3116
3117                 lang_dir = opendir(lang_path);
3118                 if (!lang_dir)
3119                         continue;
3120
3121                 for_each_script(lang_path, lang_dir, script_dirent) {
3122                         /* Skip those real time scripts: xxxtop.p[yl] */
3123                         if (strstr(script_dirent->d_name, "top."))
3124                                 continue;
3125                         if (i >= num)
3126                                 break;
3127                         snprintf(scripts_path_array[i], pathlen, "%s/%s",
3128                                 lang_path,
3129                                 script_dirent->d_name);
3130                         temp = strchr(script_dirent->d_name, '.');
3131                         snprintf(scripts_array[i],
3132                                 (temp - script_dirent->d_name) + 1,
3133                                 "%s", script_dirent->d_name);
3134
3135                         if (check_ev_match(lang_path,
3136                                         scripts_array[i], session))
3137                                 continue;
3138
3139                         i++;
3140                 }
3141                 closedir(lang_dir);
3142         }
3143
3144         closedir(scripts_dir);
3145         perf_session__delete(session);
3146         return i;
3147 }
3148
3149 static char *get_script_path(const char *script_root, const char *suffix)
3150 {
3151         struct dirent *script_dirent, *lang_dirent;
3152         char scripts_path[MAXPATHLEN];
3153         char script_path[MAXPATHLEN];
3154         DIR *scripts_dir, *lang_dir;
3155         char lang_path[MAXPATHLEN];
3156         char *__script_root;
3157
3158         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3159
3160         scripts_dir = opendir(scripts_path);
3161         if (!scripts_dir)
3162                 return NULL;
3163
3164         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3165                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3166                           lang_dirent->d_name);
3167                 lang_dir = opendir(lang_path);
3168                 if (!lang_dir)
3169                         continue;
3170
3171                 for_each_script(lang_path, lang_dir, script_dirent) {
3172                         __script_root = get_script_root(script_dirent, suffix);
3173                         if (__script_root && !strcmp(script_root, __script_root)) {
3174                                 free(__script_root);
3175                                 closedir(lang_dir);
3176                                 closedir(scripts_dir);
3177                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3178                                           lang_path, script_dirent->d_name);
3179                                 return strdup(script_path);
3180                         }
3181                         free(__script_root);
3182                 }
3183                 closedir(lang_dir);
3184         }
3185         closedir(scripts_dir);
3186
3187         return NULL;
3188 }
3189
3190 static bool is_top_script(const char *script_path)
3191 {
3192         return ends_with(script_path, "top") == NULL ? false : true;
3193 }
3194
3195 static int has_required_arg(char *script_path)
3196 {
3197         struct script_desc *desc;
3198         int n_args = 0;
3199         char *p;
3200
3201         desc = script_desc__new(NULL);
3202
3203         if (read_script_info(desc, script_path))
3204                 goto out;
3205
3206         if (!desc->args)
3207                 goto out;
3208
3209         for (p = desc->args; *p; p++)
3210                 if (*p == '<')
3211                         n_args++;
3212 out:
3213         script_desc__delete(desc);
3214
3215         return n_args;
3216 }
3217
3218 static int have_cmd(int argc, const char **argv)
3219 {
3220         char **__argv = malloc(sizeof(const char *) * argc);
3221
3222         if (!__argv) {
3223                 pr_err("malloc failed\n");
3224                 return -1;
3225         }
3226
3227         memcpy(__argv, argv, sizeof(const char *) * argc);
3228         argc = parse_options(argc, (const char **)__argv, record_options,
3229                              NULL, PARSE_OPT_STOP_AT_NON_OPTION);
3230         free(__argv);
3231
3232         system_wide = (argc == 0);
3233
3234         return 0;
3235 }
3236
3237 static void script__setup_sample_type(struct perf_script *script)
3238 {
3239         struct perf_session *session = script->session;
3240         u64 sample_type = perf_evlist__combined_sample_type(session->evlist);
3241
3242         if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
3243                 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
3244                     (sample_type & PERF_SAMPLE_STACK_USER)) {
3245                         callchain_param.record_mode = CALLCHAIN_DWARF;
3246                         dwarf_callchain_users = true;
3247                 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
3248                         callchain_param.record_mode = CALLCHAIN_LBR;
3249                 else
3250                         callchain_param.record_mode = CALLCHAIN_FP;
3251         }
3252 }
3253
3254 static int process_stat_round_event(struct perf_session *session,
3255                                     union perf_event *event)
3256 {
3257         struct perf_record_stat_round *round = &event->stat_round;
3258         struct evsel *counter;
3259
3260         evlist__for_each_entry(session->evlist, counter) {
3261                 perf_stat_process_counter(&stat_config, counter);
3262                 process_stat(counter, round->time);
3263         }
3264
3265         process_stat_interval(round->time);
3266         return 0;
3267 }
3268
3269 static int process_stat_config_event(struct perf_session *session __maybe_unused,
3270                                      union perf_event *event)
3271 {
3272         perf_event__read_stat_config(&stat_config, &event->stat_config);
3273         return 0;
3274 }
3275
3276 static int set_maps(struct perf_script *script)
3277 {
3278         struct evlist *evlist = script->session->evlist;
3279
3280         if (!script->cpus || !script->threads)
3281                 return 0;
3282
3283         if (WARN_ONCE(script->allocated, "stats double allocation\n"))
3284                 return -EINVAL;
3285
3286         perf_evlist__set_maps(&evlist->core, script->cpus, script->threads);
3287
3288         if (perf_evlist__alloc_stats(evlist, true))
3289                 return -ENOMEM;
3290
3291         script->allocated = true;
3292         return 0;
3293 }
3294
3295 static
3296 int process_thread_map_event(struct perf_session *session,
3297                              union perf_event *event)
3298 {
3299         struct perf_tool *tool = session->tool;
3300         struct perf_script *script = container_of(tool, struct perf_script, tool);
3301
3302         if (script->threads) {
3303                 pr_warning("Extra thread map event, ignoring.\n");
3304                 return 0;
3305         }
3306
3307         script->threads = thread_map__new_event(&event->thread_map);
3308         if (!script->threads)
3309                 return -ENOMEM;
3310
3311         return set_maps(script);
3312 }
3313
3314 static
3315 int process_cpu_map_event(struct perf_session *session,
3316                           union perf_event *event)
3317 {
3318         struct perf_tool *tool = session->tool;
3319         struct perf_script *script = container_of(tool, struct perf_script, tool);
3320
3321         if (script->cpus) {
3322                 pr_warning("Extra cpu map event, ignoring.\n");
3323                 return 0;
3324         }
3325
3326         script->cpus = cpu_map__new_data(&event->cpu_map.data);
3327         if (!script->cpus)
3328                 return -ENOMEM;
3329
3330         return set_maps(script);
3331 }
3332
3333 static int process_feature_event(struct perf_session *session,
3334                                  union perf_event *event)
3335 {
3336         if (event->feat.feat_id < HEADER_LAST_FEATURE)
3337                 return perf_event__process_feature(session, event);
3338         return 0;
3339 }
3340
3341 #ifdef HAVE_AUXTRACE_SUPPORT
3342 static int perf_script__process_auxtrace_info(struct perf_session *session,
3343                                               union perf_event *event)
3344 {
3345         struct perf_tool *tool = session->tool;
3346
3347         int ret = perf_event__process_auxtrace_info(session, event);
3348
3349         if (ret == 0) {
3350                 struct perf_script *script = container_of(tool, struct perf_script, tool);
3351
3352                 ret = perf_script__setup_per_event_dump(script);
3353         }
3354
3355         return ret;
3356 }
3357 #else
3358 #define perf_script__process_auxtrace_info 0
3359 #endif
3360
3361 static int parse_insn_trace(const struct option *opt __maybe_unused,
3362                             const char *str __maybe_unused,
3363                             int unset __maybe_unused)
3364 {
3365         parse_output_fields(NULL, "+insn,-event,-period", 0);
3366         itrace_parse_synth_opts(opt, "i0ns", 0);
3367         symbol_conf.nanosecs = true;
3368         return 0;
3369 }
3370
3371 static int parse_xed(const struct option *opt __maybe_unused,
3372                      const char *str __maybe_unused,
3373                      int unset __maybe_unused)
3374 {
3375         force_pager("xed -F insn: -A -64 | less");
3376         return 0;
3377 }
3378
3379 static int parse_call_trace(const struct option *opt __maybe_unused,
3380                             const char *str __maybe_unused,
3381                             int unset __maybe_unused)
3382 {
3383         parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
3384         itrace_parse_synth_opts(opt, "cewp", 0);
3385         symbol_conf.nanosecs = true;
3386         symbol_conf.pad_output_len_dso = 50;
3387         return 0;
3388 }
3389
3390 static int parse_callret_trace(const struct option *opt __maybe_unused,
3391                             const char *str __maybe_unused,
3392                             int unset __maybe_unused)
3393 {
3394         parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
3395         itrace_parse_synth_opts(opt, "crewp", 0);
3396         symbol_conf.nanosecs = true;
3397         return 0;
3398 }
3399
3400 int cmd_script(int argc, const char **argv)
3401 {
3402         bool show_full_info = false;
3403         bool header = false;
3404         bool header_only = false;
3405         bool script_started = false;
3406         char *rec_script_path = NULL;
3407         char *rep_script_path = NULL;
3408         struct perf_session *session;
3409         struct itrace_synth_opts itrace_synth_opts = {
3410                 .set = false,
3411                 .default_no_sample = true,
3412         };
3413         struct utsname uts;
3414         char *script_path = NULL;
3415         const char **__argv;
3416         int i, j, err = 0;
3417         struct perf_script script = {
3418                 .tool = {
3419                         .sample          = process_sample_event,
3420                         .mmap            = perf_event__process_mmap,
3421                         .mmap2           = perf_event__process_mmap2,
3422                         .comm            = perf_event__process_comm,
3423                         .namespaces      = perf_event__process_namespaces,
3424                         .exit            = perf_event__process_exit,
3425                         .fork            = perf_event__process_fork,
3426                         .attr            = process_attr,
3427                         .event_update   = perf_event__process_event_update,
3428                         .tracing_data    = perf_event__process_tracing_data,
3429                         .feature         = process_feature_event,
3430                         .build_id        = perf_event__process_build_id,
3431                         .id_index        = perf_event__process_id_index,
3432                         .auxtrace_info   = perf_script__process_auxtrace_info,
3433                         .auxtrace        = perf_event__process_auxtrace,
3434                         .auxtrace_error  = perf_event__process_auxtrace_error,
3435                         .stat            = perf_event__process_stat_event,
3436                         .stat_round      = process_stat_round_event,
3437                         .stat_config     = process_stat_config_event,
3438                         .thread_map      = process_thread_map_event,
3439                         .cpu_map         = process_cpu_map_event,
3440                         .ordered_events  = true,
3441                         .ordering_requires_timestamps = true,
3442                 },
3443         };
3444         struct perf_data data = {
3445                 .mode = PERF_DATA_MODE_READ,
3446         };
3447         const struct option options[] = {
3448         OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3449                     "dump raw trace in ASCII"),
3450         OPT_INCR('v', "verbose", &verbose,
3451                  "be more verbose (show symbol address, etc)"),
3452         OPT_BOOLEAN('L', "Latency", &latency_format,
3453                     "show latency attributes (irqs/preemption disabled, etc)"),
3454         OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3455                            list_available_scripts),
3456         OPT_CALLBACK('s', "script", NULL, "name",
3457                      "script file name (lang:script name, script name, or *)",
3458                      parse_scriptname),
3459         OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3460                    "generate perf-script.xx script in specified language"),
3461         OPT_STRING('i', "input", &input_name, "file", "input file name"),
3462         OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3463                    "do various checks like samples ordering and lost events"),
3464         OPT_BOOLEAN(0, "header", &header, "Show data header."),
3465         OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3466         OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3467                    "file", "vmlinux pathname"),
3468         OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3469                    "file", "kallsyms pathname"),
3470         OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3471                     "When printing symbols do not display call chain"),
3472         OPT_CALLBACK(0, "symfs", NULL, "directory",
3473                      "Look for files with symbols relative to this directory",
3474                      symbol__config_symfs),
3475         OPT_CALLBACK('F', "fields", NULL, "str",
3476                      "comma separated output fields prepend with 'type:'. "
3477                      "+field to add and -field to remove."
3478                      "Valid types: hw,sw,trace,raw,synth. "
3479                      "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
3480                      "addr,symoff,srcline,period,iregs,uregs,brstack,"
3481                      "brstacksym,flags,bpf-output,brstackinsn,brstackoff,"
3482                      "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc",
3483                      parse_output_fields),
3484         OPT_BOOLEAN('a', "all-cpus", &system_wide,
3485                     "system-wide collection from all CPUs"),
3486         OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3487                    "only consider these symbols"),
3488         OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL,
3489                         "Decode instructions from itrace", parse_insn_trace),
3490         OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
3491                         "Run xed disassembler on output", parse_xed),
3492         OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
3493                         "Decode calls from from itrace", parse_call_trace),
3494         OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
3495                         "Decode calls and returns from itrace", parse_callret_trace),
3496         OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",
3497                         "Only print symbols and callees with --call-trace/--call-ret-trace"),
3498         OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3499                    "Stop display of callgraph at these symbols"),
3500         OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3501         OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3502                    "only display events for these comms"),
3503         OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3504                    "only consider symbols in these pids"),
3505         OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3506                    "only consider symbols in these tids"),
3507         OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3508                      "Set the maximum stack depth when parsing the callchain, "
3509                      "anything beyond the specified depth will be ignored. "
3510                      "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3511         OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"),
3512         OPT_BOOLEAN('I', "show-info", &show_full_info,
3513                     "display extended information from perf.data file"),
3514         OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3515                     "Show the path of [kernel.kallsyms]"),
3516         OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3517                     "Show the fork/comm/exit events"),
3518         OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3519                     "Show the mmap events"),
3520         OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3521                     "Show context switch events (if recorded)"),
3522         OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3523                     "Show namespace events (if recorded)"),
3524         OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3525                     "Show lost events (if recorded)"),
3526         OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3527                     "Show round events (if recorded)"),
3528         OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events,
3529                     "Show bpf related events (if recorded)"),
3530         OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
3531                     "Dump trace output to files named by the monitored events"),
3532         OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3533         OPT_INTEGER(0, "max-blocks", &max_blocks,
3534                     "Maximum number of code blocks to dump with brstackinsn"),
3535         OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs,
3536                     "Use 9 decimal places when displaying time"),
3537         OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
3538                             "Instruction Tracing options\n" ITRACE_HELP,
3539                             itrace_parse_synth_opts),
3540         OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
3541                         "Show full source file name path for source lines"),
3542         OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
3543                         "Enable symbol demangling"),
3544         OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
3545                         "Enable kernel symbol demangling"),
3546         OPT_STRING(0, "time", &script.time_str, "str",
3547                    "Time span of interest (start,stop)"),
3548         OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
3549                     "Show inline function"),
3550         OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
3551                    "guest mount directory under which every guest os"
3552                    " instance has a subdir"),
3553         OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name,
3554                    "file", "file saving guest os vmlinux"),
3555         OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms,
3556                    "file", "file saving guest os /proc/kallsyms"),
3557         OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
3558                    "file", "file saving guest os /proc/modules"),
3559         OPTS_EVSWITCH(&script.evswitch),
3560         OPT_END()
3561         };
3562         const char * const script_subcommands[] = { "record", "report", NULL };
3563         const char *script_usage[] = {
3564                 "perf script [<options>]",
3565                 "perf script [<options>] record <script> [<record-options>] <command>",
3566                 "perf script [<options>] report <script> [script-args]",
3567                 "perf script [<options>] <script> [<record-options>] <command>",
3568                 "perf script [<options>] <top-script> [script-args]",
3569                 NULL
3570         };
3571
3572         perf_set_singlethreaded();
3573
3574         setup_scripting();
3575
3576         argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3577                              PARSE_OPT_STOP_AT_NON_OPTION);
3578
3579         if (symbol_conf.guestmount ||
3580             symbol_conf.default_guest_vmlinux_name ||
3581             symbol_conf.default_guest_kallsyms ||
3582             symbol_conf.default_guest_modules) {
3583                 /*
3584                  * Enable guest sample processing.
3585                  */
3586                 perf_guest = true;
3587         }
3588
3589         data.path  = input_name;
3590         data.force = symbol_conf.force;
3591
3592         if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
3593                 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
3594                 if (!rec_script_path)
3595                         return cmd_record(argc, argv);
3596         }
3597
3598         if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
3599                 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
3600                 if (!rep_script_path) {
3601                         fprintf(stderr,
3602                                 "Please specify a valid report script"
3603                                 "(see 'perf script -l' for listing)\n");
3604                         return -1;
3605                 }
3606         }
3607
3608         if (itrace_synth_opts.callchain &&
3609             itrace_synth_opts.callchain_sz > scripting_max_stack)
3610                 scripting_max_stack = itrace_synth_opts.callchain_sz;
3611
3612         /* make sure PERF_EXEC_PATH is set for scripts */
3613         set_argv_exec_path(get_argv_exec_path());
3614
3615         if (argc && !script_name && !rec_script_path && !rep_script_path) {
3616                 int live_pipe[2];
3617                 int rep_args;
3618                 pid_t pid;
3619
3620                 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
3621                 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
3622
3623                 if (!rec_script_path && !rep_script_path) {
3624                         usage_with_options_msg(script_usage, options,
3625                                 "Couldn't find script `%s'\n\n See perf"
3626                                 " script -l for available scripts.\n", argv[0]);
3627                 }
3628
3629                 if (is_top_script(argv[0])) {
3630                         rep_args = argc - 1;
3631                 } else {
3632                         int rec_args;
3633
3634                         rep_args = has_required_arg(rep_script_path);
3635                         rec_args = (argc - 1) - rep_args;
3636                         if (rec_args < 0) {
3637                                 usage_with_options_msg(script_usage, options,
3638                                         "`%s' script requires options."
3639                                         "\n\n See perf script -l for available "
3640                                         "scripts and options.\n", argv[0]);
3641                         }
3642                 }
3643
3644                 if (pipe(live_pipe) < 0) {
3645                         perror("failed to create pipe");
3646                         return -1;
3647                 }
3648
3649                 pid = fork();
3650                 if (pid < 0) {
3651                         perror("failed to fork");
3652                         return -1;
3653                 }
3654
3655                 if (!pid) {
3656                         j = 0;
3657
3658                         dup2(live_pipe[1], 1);
3659                         close(live_pipe[0]);
3660
3661                         if (is_top_script(argv[0])) {
3662                                 system_wide = true;
3663                         } else if (!system_wide) {
3664                                 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
3665                                         err = -1;
3666                                         goto out;
3667                                 }
3668                         }
3669
3670                         __argv = malloc((argc + 6) * sizeof(const char *));
3671                         if (!__argv) {
3672                                 pr_err("malloc failed\n");
3673                                 err = -ENOMEM;
3674                                 goto out;
3675                         }
3676
3677                         __argv[j++] = "/bin/sh";
3678                         __argv[j++] = rec_script_path;
3679                         if (system_wide)
3680                                 __argv[j++] = "-a";
3681                         __argv[j++] = "-q";
3682                         __argv[j++] = "-o";
3683                         __argv[j++] = "-";
3684                         for (i = rep_args + 1; i < argc; i++)
3685                                 __argv[j++] = argv[i];
3686                         __argv[j++] = NULL;
3687
3688                         execvp("/bin/sh", (char **)__argv);
3689                         free(__argv);
3690                         exit(-1);
3691                 }
3692
3693                 dup2(live_pipe[0], 0);
3694                 close(live_pipe[1]);
3695
3696                 __argv = malloc((argc + 4) * sizeof(const char *));
3697                 if (!__argv) {
3698                         pr_err("malloc failed\n");
3699                         err = -ENOMEM;
3700                         goto out;
3701                 }
3702
3703                 j = 0;
3704                 __argv[j++] = "/bin/sh";
3705                 __argv[j++] = rep_script_path;
3706                 for (i = 1; i < rep_args + 1; i++)
3707                         __argv[j++] = argv[i];
3708                 __argv[j++] = "-i";
3709                 __argv[j++] = "-";
3710                 __argv[j++] = NULL;
3711
3712                 execvp("/bin/sh", (char **)__argv);
3713                 free(__argv);
3714                 exit(-1);
3715         }
3716
3717         if (rec_script_path)
3718                 script_path = rec_script_path;
3719         if (rep_script_path)
3720                 script_path = rep_script_path;
3721
3722         if (script_path) {
3723                 j = 0;
3724
3725                 if (!rec_script_path)
3726                         system_wide = false;
3727                 else if (!system_wide) {
3728                         if (have_cmd(argc - 1, &argv[1]) != 0) {
3729                                 err = -1;
3730                                 goto out;
3731                         }
3732                 }
3733
3734                 __argv = malloc((argc + 2) * sizeof(const char *));
3735                 if (!__argv) {
3736                         pr_err("malloc failed\n");
3737                         err = -ENOMEM;
3738                         goto out;
3739                 }
3740
3741                 __argv[j++] = "/bin/sh";
3742                 __argv[j++] = script_path;
3743                 if (system_wide)
3744                         __argv[j++] = "-a";
3745                 for (i = 2; i < argc; i++)
3746                         __argv[j++] = argv[i];
3747                 __argv[j++] = NULL;
3748
3749                 execvp("/bin/sh", (char **)__argv);
3750                 free(__argv);
3751                 exit(-1);
3752         }
3753
3754         if (!script_name) {
3755                 setup_pager();
3756                 use_browser = 0;
3757         }
3758
3759         session = perf_session__new(&data, false, &script.tool);
3760         if (IS_ERR(session))
3761                 return PTR_ERR(session);
3762
3763         if (header || header_only) {
3764                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
3765                 perf_session__fprintf_info(session, stdout, show_full_info);
3766                 if (header_only)
3767                         goto out_delete;
3768         }
3769         if (show_full_info)
3770                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
3771
3772         if (symbol__init(&session->header.env) < 0)
3773                 goto out_delete;
3774
3775         uname(&uts);
3776         if (data.is_pipe ||  /* assume pipe_mode indicates native_arch */
3777             !strcmp(uts.machine, session->header.env.arch) ||
3778             (!strcmp(uts.machine, "x86_64") &&
3779              !strcmp(session->header.env.arch, "i386")))
3780                 native_arch = true;
3781
3782         script.session = session;
3783         script__setup_sample_type(&script);
3784
3785         if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) ||
3786             symbol_conf.graph_function)
3787                 itrace_synth_opts.thread_stack = true;
3788
3789         session->itrace_synth_opts = &itrace_synth_opts;
3790
3791         if (cpu_list) {
3792                 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
3793                 if (err < 0)
3794                         goto out_delete;
3795                 itrace_synth_opts.cpu_bitmap = cpu_bitmap;
3796         }
3797
3798         if (!no_callchain)
3799                 symbol_conf.use_callchain = true;
3800         else
3801                 symbol_conf.use_callchain = false;
3802
3803         if (session->tevent.pevent &&
3804             tep_set_function_resolver(session->tevent.pevent,
3805                                       machine__resolve_kernel_addr,
3806                                       &session->machines.host) < 0) {
3807                 pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
3808                 err = -1;
3809                 goto out_delete;
3810         }
3811
3812         if (generate_script_lang) {
3813                 struct stat perf_stat;
3814                 int input;
3815
3816                 if (output_set_by_user()) {
3817                         fprintf(stderr,
3818                                 "custom fields not supported for generated scripts");
3819                         err = -EINVAL;
3820                         goto out_delete;
3821                 }
3822
3823                 input = open(data.path, O_RDONLY);      /* input_name */
3824                 if (input < 0) {
3825                         err = -errno;
3826                         perror("failed to open file");
3827                         goto out_delete;
3828                 }
3829
3830                 err = fstat(input, &perf_stat);
3831                 if (err < 0) {
3832                         perror("failed to stat file");
3833                         goto out_delete;
3834                 }
3835
3836                 if (!perf_stat.st_size) {
3837                         fprintf(stderr, "zero-sized file, nothing to do!\n");
3838                         goto out_delete;
3839                 }
3840
3841                 scripting_ops = script_spec__lookup(generate_script_lang);
3842                 if (!scripting_ops) {
3843                         fprintf(stderr, "invalid language specifier");
3844                         err = -ENOENT;
3845                         goto out_delete;
3846                 }
3847
3848                 err = scripting_ops->generate_script(session->tevent.pevent,
3849                                                      "perf-script");
3850                 goto out_delete;
3851         }
3852
3853         if (script_name) {
3854                 err = scripting_ops->start_script(script_name, argc, argv);
3855                 if (err)
3856                         goto out_delete;
3857                 pr_debug("perf script started with script %s\n\n", script_name);
3858                 script_started = true;
3859         }
3860
3861
3862         err = perf_session__check_output_opt(session);
3863         if (err < 0)
3864                 goto out_delete;
3865
3866         if (script.time_str) {
3867                 err = perf_time__parse_for_ranges_reltime(script.time_str, session,
3868                                                   &script.ptime_range,
3869                                                   &script.range_size,
3870                                                   &script.range_num,
3871                                                   reltime);
3872                 if (err < 0)
3873                         goto out_delete;
3874
3875                 itrace_synth_opts__set_time_range(&itrace_synth_opts,
3876                                                   script.ptime_range,
3877                                                   script.range_num);
3878         }
3879
3880         err = evswitch__init(&script.evswitch, session->evlist, stderr);
3881         if (err)
3882                 goto out_delete;
3883
3884         err = __cmd_script(&script);
3885
3886         flush_scripting();
3887
3888 out_delete:
3889         if (script.ptime_range) {
3890                 itrace_synth_opts__clear_time_range(&itrace_synth_opts);
3891                 zfree(&script.ptime_range);
3892         }
3893
3894         perf_evlist__free_stats(session->evlist);
3895         perf_session__delete(session);
3896
3897         if (script_started)
3898                 cleanup_scripting();
3899 out:
3900         return err;
3901 }