tools/perf/builtin-script.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include "builtin.h"
   3
   4 #include "perf.h"
   5 #include "util/cache.h"
   6 #include "util/debug.h"
   7 #include <subcmd/exec-cmd.h>
   8 #include "util/header.h"
   9 #include <subcmd/parse-options.h>
  10 #include "util/perf_regs.h"
  11 #include "util/session.h"
  12 #include "util/tool.h"
  13 #include "util/map.h"
  14 #include "util/symbol.h"
  15 #include "util/thread.h"
  16 #include "util/trace-event.h"
  17 #include "util/evlist.h"
  18 #include "util/evsel.h"
  19 #include "util/sort.h"
  20 #include "util/data.h"
  21 #include "util/auxtrace.h"
  22 #include "util/cpumap.h"
  23 #include "util/thread_map.h"
  24 #include "util/stat.h"
  25 #include "util/color.h"
  26 #include "util/string2.h"
  27 #include "util/thread-stack.h"
  28 #include "util/time-utils.h"
  29 #include "util/path.h"
  30 #include "print_binary.h"
  31 #include "archinsn.h"
  32 #include <linux/bitmap.h>
  33 #include <linux/kernel.h>
  34 #include <linux/stringify.h>
  35 #include <linux/time64.h>
  36 #include <linux/zalloc.h>
  37 #include <sys/utsname.h>
  38 #include "asm/bug.h"
  39 #include "util/mem-events.h"
  40 #include "util/dump-insn.h"
  41 #include <dirent.h>
  42 #include <errno.h>
  43 #include <inttypes.h>
  44 #include <signal.h>
  45 #include <sys/param.h>
  46 #include <sys/types.h>
  47 #include <sys/stat.h>
  48 #include <fcntl.h>
  49 #include <unistd.h>
  50 #include <subcmd/pager.h>
  51
  52 #include <linux/ctype.h>
  53
  54 static char const               *script_name;
  55 static char const               *generate_script_lang;
  56 static bool                     reltime;
  57 static u64                      initial_time;
  58 static bool                     debug_mode;
  59 static u64                      last_timestamp;
  60 static u64                      nr_unordered;
  61 static bool                     no_callchain;
  62 static bool                     latency_format;
  63 static bool                     system_wide;
  64 static bool                     print_flags;
  65 static const char               *cpu_list;
  66 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
  67 static struct perf_stat_config  stat_config;
  68 static int                      max_blocks;
  69 static bool                     native_arch;
  70
  71 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
  72
  73 enum perf_output_field {
  74         PERF_OUTPUT_COMM            = 1U << 0,
  75         PERF_OUTPUT_TID             = 1U << 1,
  76         PERF_OUTPUT_PID             = 1U << 2,
  77         PERF_OUTPUT_TIME            = 1U << 3,
  78         PERF_OUTPUT_CPU             = 1U << 4,
  79         PERF_OUTPUT_EVNAME          = 1U << 5,
  80         PERF_OUTPUT_TRACE           = 1U << 6,
  81         PERF_OUTPUT_IP              = 1U << 7,
  82         PERF_OUTPUT_SYM             = 1U << 8,
  83         PERF_OUTPUT_DSO             = 1U << 9,
  84         PERF_OUTPUT_ADDR            = 1U << 10,
  85         PERF_OUTPUT_SYMOFFSET       = 1U << 11,
  86         PERF_OUTPUT_SRCLINE         = 1U << 12,
  87         PERF_OUTPUT_PERIOD          = 1U << 13,
  88         PERF_OUTPUT_IREGS           = 1U << 14,
  89         PERF_OUTPUT_BRSTACK         = 1U << 15,
  90         PERF_OUTPUT_BRSTACKSYM      = 1U << 16,
  91         PERF_OUTPUT_DATA_SRC        = 1U << 17,
  92         PERF_OUTPUT_WEIGHT          = 1U << 18,
  93         PERF_OUTPUT_BPF_OUTPUT      = 1U << 19,
  94         PERF_OUTPUT_CALLINDENT      = 1U << 20,
  95         PERF_OUTPUT_INSN            = 1U << 21,
  96         PERF_OUTPUT_INSNLEN         = 1U << 22,
  97         PERF_OUTPUT_BRSTACKINSN     = 1U << 23,
  98         PERF_OUTPUT_BRSTACKOFF      = 1U << 24,
  99         PERF_OUTPUT_SYNTH           = 1U << 25,
 100         PERF_OUTPUT_PHYS_ADDR       = 1U << 26,
 101         PERF_OUTPUT_UREGS           = 1U << 27,
 102         PERF_OUTPUT_METRIC          = 1U << 28,
 103         PERF_OUTPUT_MISC            = 1U << 29,
 104         PERF_OUTPUT_SRCCODE         = 1U << 30,
 105         PERF_OUTPUT_IPC             = 1U << 31,
 106 };
 107
 108 struct output_option {
 109         const char *str;
 110         enum perf_output_field field;
 111 } all_output_options[] = {
 112         {.str = "comm",  .field = PERF_OUTPUT_COMM},
 113         {.str = "tid",   .field = PERF_OUTPUT_TID},
 114         {.str = "pid",   .field = PERF_OUTPUT_PID},
 115         {.str = "time",  .field = PERF_OUTPUT_TIME},
 116         {.str = "cpu",   .field = PERF_OUTPUT_CPU},
 117         {.str = "event", .field = PERF_OUTPUT_EVNAME},
 118         {.str = "trace", .field = PERF_OUTPUT_TRACE},
 119         {.str = "ip",    .field = PERF_OUTPUT_IP},
 120         {.str = "sym",   .field = PERF_OUTPUT_SYM},
 121         {.str = "dso",   .field = PERF_OUTPUT_DSO},
 122         {.str = "addr",  .field = PERF_OUTPUT_ADDR},
 123         {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
 124         {.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
 125         {.str = "period", .field = PERF_OUTPUT_PERIOD},
 126         {.str = "iregs", .field = PERF_OUTPUT_IREGS},
 127         {.str = "uregs", .field = PERF_OUTPUT_UREGS},
 128         {.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
 129         {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
 130         {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
 131         {.str = "weight",   .field = PERF_OUTPUT_WEIGHT},
 132         {.str = "bpf-output",   .field = PERF_OUTPUT_BPF_OUTPUT},
 133         {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
 134         {.str = "insn", .field = PERF_OUTPUT_INSN},
 135         {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
 136         {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
 137         {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
 138         {.str = "synth", .field = PERF_OUTPUT_SYNTH},
 139         {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
 140         {.str = "metric", .field = PERF_OUTPUT_METRIC},
 141         {.str = "misc", .field = PERF_OUTPUT_MISC},
 142         {.str = "srccode", .field = PERF_OUTPUT_SRCCODE},
 143         {.str = "ipc", .field = PERF_OUTPUT_IPC},
 144 };
 145
 146 enum {
 147         OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
 148         OUTPUT_TYPE_MAX
 149 };
 150
 151 /* default set to maintain compatibility with current format */
 152 static struct {
 153         bool user_set;
 154         bool wildcard_set;
 155         unsigned int print_ip_opts;
 156         u64 fields;
 157         u64 invalid_fields;
 158         u64 user_set_fields;
 159 } output[OUTPUT_TYPE_MAX] = {
 160
 161         [PERF_TYPE_HARDWARE] = {
 162                 .user_set = false,
 163
 164                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 165                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 166                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 167                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 168                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 169
 170                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 171         },
 172
 173         [PERF_TYPE_SOFTWARE] = {
 174                 .user_set = false,
 175
 176                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 177                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 178                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 179                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 180                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
 181                               PERF_OUTPUT_BPF_OUTPUT,
 182
 183                 .invalid_fields = PERF_OUTPUT_TRACE,
 184         },
 185
 186         [PERF_TYPE_TRACEPOINT] = {
 187                 .user_set = false,
 188
 189                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 190                                   PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 191                                   PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
 192         },
 193
 194         [PERF_TYPE_HW_CACHE] = {
 195                 .user_set = false,
 196
 197                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 198                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 199                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 200                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 201                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 202
 203                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 204         },
 205
 206         [PERF_TYPE_RAW] = {
 207                 .user_set = false,
 208
 209                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 210                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 211                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 212                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 213                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
 214                               PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
 215                               PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR,
 216
 217                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 218         },
 219
 220         [PERF_TYPE_BREAKPOINT] = {
 221                 .user_set = false,
 222
 223                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 224                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 225                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 226                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 227                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 228
 229                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 230         },
 231
 232         [OUTPUT_TYPE_SYNTH] = {
 233                 .user_set = false,
 234
 235                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 236                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 237                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 238                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 239                               PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH,
 240
 241                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 242         },
 243 };
 244
 245 struct perf_evsel_script {
 246        char *filename;
 247        FILE *fp;
 248        u64  samples;
 249        /* For metric output */
 250        u64  val;
 251        int  gnum;
 252 };
 253
 254 static inline struct perf_evsel_script *evsel_script(struct perf_evsel *evsel)
 255 {
 256         return (struct perf_evsel_script *)evsel->priv;
 257 }
 258
 259 static struct perf_evsel_script *perf_evsel_script__new(struct perf_evsel *evsel,
 260                                                         struct perf_data *data)
 261 {
 262         struct perf_evsel_script *es = zalloc(sizeof(*es));
 263
 264         if (es != NULL) {
 265                 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, perf_evsel__name(evsel)) < 0)
 266                         goto out_free;
 267                 es->fp = fopen(es->filename, "w");
 268                 if (es->fp == NULL)
 269                         goto out_free_filename;
 270         }
 271
 272         return es;
 273 out_free_filename:
 274         zfree(&es->filename);
 275 out_free:
 276         free(es);
 277         return NULL;
 278 }
 279
 280 static void perf_evsel_script__delete(struct perf_evsel_script *es)
 281 {
 282         zfree(&es->filename);
 283         fclose(es->fp);
 284         es->fp = NULL;
 285         free(es);
 286 }
 287
 288 static int perf_evsel_script__fprintf(struct perf_evsel_script *es, FILE *fp)
 289 {
 290         struct stat st;
 291
 292         fstat(fileno(es->fp), &st);
 293         return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
 294                        st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
 295 }
 296
 297 static inline int output_type(unsigned int type)
 298 {
 299         switch (type) {
 300         case PERF_TYPE_SYNTH:
 301                 return OUTPUT_TYPE_SYNTH;
 302         default:
 303                 return type;
 304         }
 305 }
 306
 307 static inline unsigned int attr_type(unsigned int type)
 308 {
 309         switch (type) {
 310         case OUTPUT_TYPE_SYNTH:
 311                 return PERF_TYPE_SYNTH;
 312         default:
 313                 return type;
 314         }
 315 }
 316
 317 static bool output_set_by_user(void)
 318 {
 319         int j;
 320         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 321                 if (output[j].user_set)
 322                         return true;
 323         }
 324         return false;
 325 }
 326
 327 static const char *output_field2str(enum perf_output_field field)
 328 {
 329         int i, imax = ARRAY_SIZE(all_output_options);
 330         const char *str = "";
 331
 332         for (i = 0; i < imax; ++i) {
 333                 if (all_output_options[i].field == field) {
 334                         str = all_output_options[i].str;
 335                         break;
 336                 }
 337         }
 338         return str;
 339 }
 340
 341 #define PRINT_FIELD(x)  (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
 342
 343 static int perf_evsel__do_check_stype(struct perf_evsel *evsel,
 344                                       u64 sample_type, const char *sample_msg,
 345                                       enum perf_output_field field,
 346                                       bool allow_user_set)
 347 {
 348         struct perf_event_attr *attr = &evsel->attr;
 349         int type = output_type(attr->type);
 350         const char *evname;
 351
 352         if (attr->sample_type & sample_type)
 353                 return 0;
 354
 355         if (output[type].user_set_fields & field) {
 356                 if (allow_user_set)
 357                         return 0;
 358                 evname = perf_evsel__name(evsel);
 359                 pr_err("Samples for '%s' event do not have %s attribute set. "
 360                        "Cannot print '%s' field.\n",
 361                        evname, sample_msg, output_field2str(field));
 362                 return -1;
 363         }
 364
 365         /* user did not ask for it explicitly so remove from the default list */
 366         output[type].fields &= ~field;
 367         evname = perf_evsel__name(evsel);
 368         pr_debug("Samples for '%s' event do not have %s attribute set. "
 369                  "Skipping '%s' field.\n",
 370                  evname, sample_msg, output_field2str(field));
 371
 372         return 0;
 373 }
 374
 375 static int perf_evsel__check_stype(struct perf_evsel *evsel,
 376                                    u64 sample_type, const char *sample_msg,
 377                                    enum perf_output_field field)
 378 {
 379         return perf_evsel__do_check_stype(evsel, sample_type, sample_msg, field,
 380                                           false);
 381 }
 382
 383 static int perf_evsel__check_attr(struct perf_evsel *evsel,
 384                                   struct perf_session *session)
 385 {
 386         struct perf_event_attr *attr = &evsel->attr;
 387         bool allow_user_set;
 388
 389         if (perf_header__has_feat(&session->header, HEADER_STAT))
 390                 return 0;
 391
 392         allow_user_set = perf_header__has_feat(&session->header,
 393                                                HEADER_AUXTRACE);
 394
 395         if (PRINT_FIELD(TRACE) &&
 396                 !perf_session__has_traces(session, "record -R"))
 397                 return -EINVAL;
 398
 399         if (PRINT_FIELD(IP)) {
 400                 if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP",
 401                                             PERF_OUTPUT_IP))
 402                         return -EINVAL;
 403         }
 404
 405         if (PRINT_FIELD(ADDR) &&
 406                 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR",
 407                                            PERF_OUTPUT_ADDR, allow_user_set))
 408                 return -EINVAL;
 409
 410         if (PRINT_FIELD(DATA_SRC) &&
 411                 perf_evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC",
 412                                         PERF_OUTPUT_DATA_SRC))
 413                 return -EINVAL;
 414
 415         if (PRINT_FIELD(WEIGHT) &&
 416                 perf_evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT",
 417                                         PERF_OUTPUT_WEIGHT))
 418                 return -EINVAL;
 419
 420         if (PRINT_FIELD(SYM) &&
 421                 !(evsel->attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
 422                 pr_err("Display of symbols requested but neither sample IP nor "
 423                            "sample address\navailable. Hence, no addresses to convert "
 424                        "to symbols.\n");
 425                 return -EINVAL;
 426         }
 427         if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
 428                 pr_err("Display of offsets requested but symbol is not"
 429                        "selected.\n");
 430                 return -EINVAL;
 431         }
 432         if (PRINT_FIELD(DSO) &&
 433                 !(evsel->attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
 434                 pr_err("Display of DSO requested but no address to convert.\n");
 435                 return -EINVAL;
 436         }
 437         if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) {
 438                 pr_err("Display of source line number requested but sample IP is not\n"
 439                        "selected. Hence, no address to lookup the source line number.\n");
 440                 return -EINVAL;
 441         }
 442         if (PRINT_FIELD(BRSTACKINSN) &&
 443             !(perf_evlist__combined_branch_type(session->evlist) &
 444               PERF_SAMPLE_BRANCH_ANY)) {
 445                 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
 446                        "Hint: run 'perf record -b ...'\n");
 447                 return -EINVAL;
 448         }
 449         if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
 450                 perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID",
 451                                         PERF_OUTPUT_TID|PERF_OUTPUT_PID))
 452                 return -EINVAL;
 453
 454         if (PRINT_FIELD(TIME) &&
 455                 perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME",
 456                                         PERF_OUTPUT_TIME))
 457                 return -EINVAL;
 458
 459         if (PRINT_FIELD(CPU) &&
 460                 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU",
 461                                            PERF_OUTPUT_CPU, allow_user_set))
 462                 return -EINVAL;
 463
 464         if (PRINT_FIELD(IREGS) &&
 465                 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS",
 466                                         PERF_OUTPUT_IREGS))
 467                 return -EINVAL;
 468
 469         if (PRINT_FIELD(UREGS) &&
 470                 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS",
 471                                         PERF_OUTPUT_UREGS))
 472                 return -EINVAL;
 473
 474         if (PRINT_FIELD(PHYS_ADDR) &&
 475                 perf_evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR",
 476                                         PERF_OUTPUT_PHYS_ADDR))
 477                 return -EINVAL;
 478
 479         return 0;
 480 }
 481
 482 static void set_print_ip_opts(struct perf_event_attr *attr)
 483 {
 484         unsigned int type = output_type(attr->type);
 485
 486         output[type].print_ip_opts = 0;
 487         if (PRINT_FIELD(IP))
 488                 output[type].print_ip_opts |= EVSEL__PRINT_IP;
 489
 490         if (PRINT_FIELD(SYM))
 491                 output[type].print_ip_opts |= EVSEL__PRINT_SYM;
 492
 493         if (PRINT_FIELD(DSO))
 494                 output[type].print_ip_opts |= EVSEL__PRINT_DSO;
 495
 496         if (PRINT_FIELD(SYMOFFSET))
 497                 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
 498
 499         if (PRINT_FIELD(SRCLINE))
 500                 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
 501 }
 502
 503 /*
 504  * verify all user requested events exist and the samples
 505  * have the expected data
 506  */
 507 static int perf_session__check_output_opt(struct perf_session *session)
 508 {
 509         unsigned int j;
 510         struct perf_evsel *evsel;
 511
 512         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 513                 evsel = perf_session__find_first_evtype(session, attr_type(j));
 514
 515                 /*
 516                  * even if fields is set to 0 (ie., show nothing) event must
 517                  * exist if user explicitly includes it on the command line
 518                  */
 519                 if (!evsel && output[j].user_set && !output[j].wildcard_set &&
 520                     j != OUTPUT_TYPE_SYNTH) {
 521                         pr_err("%s events do not exist. "
 522                                "Remove corresponding -F option to proceed.\n",
 523                                event_type(j));
 524                         return -1;
 525                 }
 526
 527                 if (evsel && output[j].fields &&
 528                         perf_evsel__check_attr(evsel, session))
 529                         return -1;
 530
 531                 if (evsel == NULL)
 532                         continue;
 533
 534                 set_print_ip_opts(&evsel->attr);
 535         }
 536
 537         if (!no_callchain) {
 538                 bool use_callchain = false;
 539                 bool not_pipe = false;
 540
 541                 evlist__for_each_entry(session->evlist, evsel) {
 542                         not_pipe = true;
 543                         if (evsel__has_callchain(evsel)) {
 544                                 use_callchain = true;
 545                                 break;
 546                         }
 547                 }
 548                 if (not_pipe && !use_callchain)
 549                         symbol_conf.use_callchain = false;
 550         }
 551
 552         /*
 553          * set default for tracepoints to print symbols only
 554          * if callchains are present
 555          */
 556         if (symbol_conf.use_callchain &&
 557             !output[PERF_TYPE_TRACEPOINT].user_set) {
 558                 j = PERF_TYPE_TRACEPOINT;
 559
 560                 evlist__for_each_entry(session->evlist, evsel) {
 561                         if (evsel->attr.type != j)
 562                                 continue;
 563
 564                         if (evsel__has_callchain(evsel)) {
 565                                 output[j].fields |= PERF_OUTPUT_IP;
 566                                 output[j].fields |= PERF_OUTPUT_SYM;
 567                                 output[j].fields |= PERF_OUTPUT_SYMOFFSET;
 568                                 output[j].fields |= PERF_OUTPUT_DSO;
 569                                 set_print_ip_opts(&evsel->attr);
 570                                 goto out;
 571                         }
 572                 }
 573         }
 574
 575 out:
 576         return 0;
 577 }
 578
 579 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask,
 580                                      FILE *fp
 581 )
 582 {
 583         unsigned i = 0, r;
 584         int printed = 0;
 585
 586         if (!regs || !regs->regs)
 587                 return 0;
 588
 589         printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
 590
 591         for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
 592                 u64 val = regs->regs[i++];
 593                 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
 594         }
 595
 596         fprintf(fp, "\n");
 597
 598         return printed;
 599 }
 600
 601 static int perf_sample__fprintf_iregs(struct perf_sample *sample,
 602                                       struct perf_event_attr *attr, FILE *fp)
 603 {
 604         return perf_sample__fprintf_regs(&sample->intr_regs,
 605                                          attr->sample_regs_intr, fp);
 606 }
 607
 608 static int perf_sample__fprintf_uregs(struct perf_sample *sample,
 609                                       struct perf_event_attr *attr, FILE *fp)
 610 {
 611         return perf_sample__fprintf_regs(&sample->user_regs,
 612                                          attr->sample_regs_user, fp);
 613 }
 614
 615 static int perf_sample__fprintf_start(struct perf_sample *sample,
 616                                       struct thread *thread,
 617                                       struct perf_evsel *evsel,
 618                                       u32 type, FILE *fp)
 619 {
 620         struct perf_event_attr *attr = &evsel->attr;
 621         unsigned long secs;
 622         unsigned long long nsecs;
 623         int printed = 0;
 624
 625         if (PRINT_FIELD(COMM)) {
 626                 if (latency_format)
 627                         printed += fprintf(fp, "%8.8s ", thread__comm_str(thread));
 628                 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
 629                         printed += fprintf(fp, "%s ", thread__comm_str(thread));
 630                 else
 631                         printed += fprintf(fp, "%16s ", thread__comm_str(thread));
 632         }
 633
 634         if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
 635                 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid);
 636         else if (PRINT_FIELD(PID))
 637                 printed += fprintf(fp, "%5d ", sample->pid);
 638         else if (PRINT_FIELD(TID))
 639                 printed += fprintf(fp, "%5d ", sample->tid);
 640
 641         if (PRINT_FIELD(CPU)) {
 642                 if (latency_format)
 643                         printed += fprintf(fp, "%3d ", sample->cpu);
 644                 else
 645                         printed += fprintf(fp, "[%03d] ", sample->cpu);
 646         }
 647
 648         if (PRINT_FIELD(MISC)) {
 649                 int ret = 0;
 650
 651                 #define has(m) \
 652                         (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
 653
 654                 if (has(KERNEL))
 655                         ret += fprintf(fp, "K");
 656                 if (has(USER))
 657                         ret += fprintf(fp, "U");
 658                 if (has(HYPERVISOR))
 659                         ret += fprintf(fp, "H");
 660                 if (has(GUEST_KERNEL))
 661                         ret += fprintf(fp, "G");
 662                 if (has(GUEST_USER))
 663                         ret += fprintf(fp, "g");
 664
 665                 switch (type) {
 666                 case PERF_RECORD_MMAP:
 667                 case PERF_RECORD_MMAP2:
 668                         if (has(MMAP_DATA))
 669                                 ret += fprintf(fp, "M");
 670                         break;
 671                 case PERF_RECORD_COMM:
 672                         if (has(COMM_EXEC))
 673                                 ret += fprintf(fp, "E");
 674                         break;
 675                 case PERF_RECORD_SWITCH:
 676                 case PERF_RECORD_SWITCH_CPU_WIDE:
 677                         if (has(SWITCH_OUT)) {
 678                                 ret += fprintf(fp, "S");
 679                                 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
 680                                         ret += fprintf(fp, "p");
 681                         }
 682                 default:
 683                         break;
 684                 }
 685
 686                 #undef has
 687
 688                 ret += fprintf(fp, "%*s", 6 - ret, " ");
 689                 printed += ret;
 690         }
 691
 692         if (PRINT_FIELD(TIME)) {
 693                 u64 t = sample->time;
 694                 if (reltime) {
 695                         if (!initial_time)
 696                                 initial_time = sample->time;
 697                         t = sample->time - initial_time;
 698                 }
 699                 nsecs = t;
 700                 secs = nsecs / NSEC_PER_SEC;
 701                 nsecs -= secs * NSEC_PER_SEC;
 702
 703                 if (symbol_conf.nanosecs)
 704                         printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
 705                 else {
 706                         char sample_time[32];
 707                         timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time));
 708                         printed += fprintf(fp, "%12s: ", sample_time);
 709                 }
 710         }
 711
 712         return printed;
 713 }
 714
 715 static inline char
 716 mispred_str(struct branch_entry *br)
 717 {
 718         if (!(br->flags.mispred  || br->flags.predicted))
 719                 return '-';
 720
 721         return br->flags.predicted ? 'P' : 'M';
 722 }
 723
 724 static int perf_sample__fprintf_brstack(struct perf_sample *sample,
 725                                         struct thread *thread,
 726                                         struct perf_event_attr *attr, FILE *fp)
 727 {
 728         struct branch_stack *br = sample->branch_stack;
 729         struct addr_location alf, alt;
 730         u64 i, from, to;
 731         int printed = 0;
 732
 733         if (!(br && br->nr))
 734                 return 0;
 735
 736         for (i = 0; i < br->nr; i++) {
 737                 from = br->entries[i].from;
 738                 to   = br->entries[i].to;
 739
 740                 if (PRINT_FIELD(DSO)) {
 741                         memset(&alf, 0, sizeof(alf));
 742                         memset(&alt, 0, sizeof(alt));
 743                         thread__find_map_fb(thread, sample->cpumode, from, &alf);
 744                         thread__find_map_fb(thread, sample->cpumode, to, &alt);
 745                 }
 746
 747                 printed += fprintf(fp, " 0x%"PRIx64, from);
 748                 if (PRINT_FIELD(DSO)) {
 749                         printed += fprintf(fp, "(");
 750                         printed += map__fprintf_dsoname(alf.map, fp);
 751                         printed += fprintf(fp, ")");
 752                 }
 753
 754                 printed += fprintf(fp, "/0x%"PRIx64, to);
 755                 if (PRINT_FIELD(DSO)) {
 756                         printed += fprintf(fp, "(");
 757                         printed += map__fprintf_dsoname(alt.map, fp);
 758                         printed += fprintf(fp, ")");
 759                 }
 760
 761                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 762                         mispred_str( br->entries + i),
 763                         br->entries[i].flags.in_tx? 'X' : '-',
 764                         br->entries[i].flags.abort? 'A' : '-',
 765                         br->entries[i].flags.cycles);
 766         }
 767
 768         return printed;
 769 }
 770
 771 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
 772                                            struct thread *thread,
 773                                            struct perf_event_attr *attr, FILE *fp)
 774 {
 775         struct branch_stack *br = sample->branch_stack;
 776         struct addr_location alf, alt;
 777         u64 i, from, to;
 778         int printed = 0;
 779
 780         if (!(br && br->nr))
 781                 return 0;
 782
 783         for (i = 0; i < br->nr; i++) {
 784
 785                 memset(&alf, 0, sizeof(alf));
 786                 memset(&alt, 0, sizeof(alt));
 787                 from = br->entries[i].from;
 788                 to   = br->entries[i].to;
 789
 790                 thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
 791                 thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
 792
 793                 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
 794                 if (PRINT_FIELD(DSO)) {
 795                         printed += fprintf(fp, "(");
 796                         printed += map__fprintf_dsoname(alf.map, fp);
 797                         printed += fprintf(fp, ")");
 798                 }
 799                 printed += fprintf(fp, "%c", '/');
 800                 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
 801                 if (PRINT_FIELD(DSO)) {
 802                         printed += fprintf(fp, "(");
 803                         printed += map__fprintf_dsoname(alt.map, fp);
 804                         printed += fprintf(fp, ")");
 805                 }
 806                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 807                         mispred_str( br->entries + i),
 808                         br->entries[i].flags.in_tx? 'X' : '-',
 809                         br->entries[i].flags.abort? 'A' : '-',
 810                         br->entries[i].flags.cycles);
 811         }
 812
 813         return printed;
 814 }
 815
 816 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
 817                                            struct thread *thread,
 818                                            struct perf_event_attr *attr, FILE *fp)
 819 {
 820         struct branch_stack *br = sample->branch_stack;
 821         struct addr_location alf, alt;
 822         u64 i, from, to;
 823         int printed = 0;
 824
 825         if (!(br && br->nr))
 826                 return 0;
 827
 828         for (i = 0; i < br->nr; i++) {
 829
 830                 memset(&alf, 0, sizeof(alf));
 831                 memset(&alt, 0, sizeof(alt));
 832                 from = br->entries[i].from;
 833                 to   = br->entries[i].to;
 834
 835                 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
 836                     !alf.map->dso->adjust_symbols)
 837                         from = map__map_ip(alf.map, from);
 838
 839                 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
 840                     !alt.map->dso->adjust_symbols)
 841                         to = map__map_ip(alt.map, to);
 842
 843                 printed += fprintf(fp, " 0x%"PRIx64, from);
 844                 if (PRINT_FIELD(DSO)) {
 845                         printed += fprintf(fp, "(");
 846                         printed += map__fprintf_dsoname(alf.map, fp);
 847                         printed += fprintf(fp, ")");
 848                 }
 849                 printed += fprintf(fp, "/0x%"PRIx64, to);
 850                 if (PRINT_FIELD(DSO)) {
 851                         printed += fprintf(fp, "(");
 852                         printed += map__fprintf_dsoname(alt.map, fp);
 853                         printed += fprintf(fp, ")");
 854                 }
 855                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 856                         mispred_str(br->entries + i),
 857                         br->entries[i].flags.in_tx ? 'X' : '-',
 858                         br->entries[i].flags.abort ? 'A' : '-',
 859                         br->entries[i].flags.cycles);
 860         }
 861
 862         return printed;
 863 }
 864 #define MAXBB 16384UL
 865
 866 static int grab_bb(u8 *buffer, u64 start, u64 end,
 867                     struct machine *machine, struct thread *thread,
 868                     bool *is64bit, u8 *cpumode, bool last)
 869 {
 870         long offset, len;
 871         struct addr_location al;
 872         bool kernel;
 873
 874         if (!start || !end)
 875                 return 0;
 876
 877         kernel = machine__kernel_ip(machine, start);
 878         if (kernel)
 879                 *cpumode = PERF_RECORD_MISC_KERNEL;
 880         else
 881                 *cpumode = PERF_RECORD_MISC_USER;
 882
 883         /*
 884          * Block overlaps between kernel and user.
 885          * This can happen due to ring filtering
 886          * On Intel CPUs the entry into the kernel is filtered,
 887          * but the exit is not. Let the caller patch it up.
 888          */
 889         if (kernel != machine__kernel_ip(machine, end)) {
 890                 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
 891                 return -ENXIO;
 892         }
 893
 894         memset(&al, 0, sizeof(al));
 895         if (end - start > MAXBB - MAXINSN) {
 896                 if (last)
 897                         pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
 898                 else
 899                         pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
 900                 return 0;
 901         }
 902
 903         if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) {
 904                 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
 905                 return 0;
 906         }
 907         if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
 908                 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
 909                 return 0;
 910         }
 911
 912         /* Load maps to ensure dso->is_64_bit has been updated */
 913         map__load(al.map);
 914
 915         offset = al.map->map_ip(al.map, start);
 916         len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer,
 917                                     end - start + MAXINSN);
 918
 919         *is64bit = al.map->dso->is_64_bit;
 920         if (len <= 0)
 921                 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
 922                         start, end);
 923         return len;
 924 }
 925
 926 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr)
 927 {
 928         struct addr_location al;
 929         int ret = 0;
 930
 931         memset(&al, 0, sizeof(al));
 932         thread__find_map(thread, cpumode, addr, &al);
 933         if (!al.map)
 934                 return 0;
 935         ret = map__fprintf_srccode(al.map, al.addr, stdout,
 936                     &thread->srccode_state);
 937         if (ret)
 938                 ret += printf("\n");
 939         return ret;
 940 }
 941
 942 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
 943                             struct perf_insn *x, u8 *inbuf, int len,
 944                             int insn, FILE *fp, int *total_cycles)
 945 {
 946         int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip,
 947                               dump_insn(x, ip, inbuf, len, NULL),
 948                               en->flags.predicted ? " PRED" : "",
 949                               en->flags.mispred ? " MISPRED" : "",
 950                               en->flags.in_tx ? " INTX" : "",
 951                               en->flags.abort ? " ABORT" : "");
 952         if (en->flags.cycles) {
 953                 *total_cycles += en->flags.cycles;
 954                 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles);
 955                 if (insn)
 956                         printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
 957         }
 958         return printed + fprintf(fp, "\n");
 959 }
 960
 961 static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
 962                            u8 cpumode, int cpu, struct symbol **lastsym,
 963                            struct perf_event_attr *attr, FILE *fp)
 964 {
 965         struct addr_location al;
 966         int off, printed = 0;
 967
 968         memset(&al, 0, sizeof(al));
 969
 970         thread__find_map(thread, cpumode, addr, &al);
 971
 972         if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
 973                 return 0;
 974
 975         al.cpu = cpu;
 976         al.sym = NULL;
 977         if (al.map)
 978                 al.sym = map__find_symbol(al.map, al.addr);
 979
 980         if (!al.sym)
 981                 return 0;
 982
 983         if (al.addr < al.sym->end)
 984                 off = al.addr - al.sym->start;
 985         else
 986                 off = al.addr - al.map->start - al.sym->start;
 987         printed += fprintf(fp, "\t%s", al.sym->name);
 988         if (off)
 989                 printed += fprintf(fp, "%+d", off);
 990         printed += fprintf(fp, ":");
 991         if (PRINT_FIELD(SRCLINE))
 992                 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
 993         printed += fprintf(fp, "\n");
 994         *lastsym = al.sym;
 995
 996         return printed;
 997 }
 998
 999 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
1000                                             struct thread *thread,
1001                                             struct perf_event_attr *attr,
1002                                             struct machine *machine, FILE *fp)
1003 {
1004         struct branch_stack *br = sample->branch_stack;
1005         u64 start, end;
1006         int i, insn, len, nr, ilen, printed = 0;
1007         struct perf_insn x;
1008         u8 buffer[MAXBB];
1009         unsigned off;
1010         struct symbol *lastsym = NULL;
1011         int total_cycles = 0;
1012
1013         if (!(br && br->nr))
1014                 return 0;
1015         nr = br->nr;
1016         if (max_blocks && nr > max_blocks + 1)
1017                 nr = max_blocks + 1;
1018
1019         x.thread = thread;
1020         x.cpu = sample->cpu;
1021
1022         printed += fprintf(fp, "%c", '\n');
1023
1024         /* Handle first from jump, of which we don't know the entry. */
1025         len = grab_bb(buffer, br->entries[nr-1].from,
1026                         br->entries[nr-1].from,
1027                         machine, thread, &x.is64bit, &x.cpumode, false);
1028         if (len > 0) {
1029                 printed += ip__fprintf_sym(br->entries[nr - 1].from, thread,
1030                                            x.cpumode, x.cpu, &lastsym, attr, fp);
1031                 printed += ip__fprintf_jump(br->entries[nr - 1].from, &br->entries[nr - 1],
1032                                             &x, buffer, len, 0, fp, &total_cycles);
1033                 if (PRINT_FIELD(SRCCODE))
1034                         printed += print_srccode(thread, x.cpumode, br->entries[nr - 1].from);
1035         }
1036
1037         /* Print all blocks */
1038         for (i = nr - 2; i >= 0; i--) {
1039                 if (br->entries[i].from || br->entries[i].to)
1040                         pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1041                                  br->entries[i].from,
1042                                  br->entries[i].to);
1043                 start = br->entries[i + 1].to;
1044                 end   = br->entries[i].from;
1045
1046                 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1047                 /* Patch up missing kernel transfers due to ring filters */
1048                 if (len == -ENXIO && i > 0) {
1049                         end = br->entries[--i].from;
1050                         pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1051                         len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1052                 }
1053                 if (len <= 0)
1054                         continue;
1055
1056                 insn = 0;
1057                 for (off = 0;; off += ilen) {
1058                         uint64_t ip = start + off;
1059
1060                         printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1061                         if (ip == end) {
1062                                 printed += ip__fprintf_jump(ip, &br->entries[i], &x, buffer + off, len - off, ++insn, fp,
1063                                                             &total_cycles);
1064                                 if (PRINT_FIELD(SRCCODE))
1065                                         printed += print_srccode(thread, x.cpumode, ip);
1066                                 break;
1067                         } else {
1068                                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip,
1069                                                    dump_insn(&x, ip, buffer + off, len - off, &ilen));
1070                                 if (ilen == 0)
1071                                         break;
1072                                 if (PRINT_FIELD(SRCCODE))
1073                                         print_srccode(thread, x.cpumode, ip);
1074                                 insn++;
1075                         }
1076                 }
1077         }
1078
1079         /*
1080          * Hit the branch? In this case we are already done, and the target
1081          * has not been executed yet.
1082          */
1083         if (br->entries[0].from == sample->ip)
1084                 goto out;
1085         if (br->entries[0].flags.abort)
1086                 goto out;
1087
1088         /*
1089          * Print final block upto sample
1090          *
1091          * Due to pipeline delays the LBRs might be missing a branch
1092          * or two, which can result in very large or negative blocks
1093          * between final branch and sample. When this happens just
1094          * continue walking after the last TO until we hit a branch.
1095          */
1096         start = br->entries[0].to;
1097         end = sample->ip;
1098         if (end < start) {
1099                 /* Missing jump. Scan 128 bytes for the next branch */
1100                 end = start + 128;
1101         }
1102         len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1103         printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1104         if (len <= 0) {
1105                 /* Print at least last IP if basic block did not work */
1106                 len = grab_bb(buffer, sample->ip, sample->ip,
1107                               machine, thread, &x.is64bit, &x.cpumode, false);
1108                 if (len <= 0)
1109                         goto out;
1110                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip,
1111                         dump_insn(&x, sample->ip, buffer, len, NULL));
1112                 if (PRINT_FIELD(SRCCODE))
1113                         print_srccode(thread, x.cpumode, sample->ip);
1114                 goto out;
1115         }
1116         for (off = 0; off <= end - start; off += ilen) {
1117                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off,
1118                                    dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1119                 if (ilen == 0)
1120                         break;
1121                 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) {
1122                         /*
1123                          * Hit a missing branch. Just stop.
1124                          */
1125                         printed += fprintf(fp, "\t... not reaching sample ...\n");
1126                         break;
1127                 }
1128                 if (PRINT_FIELD(SRCCODE))
1129                         print_srccode(thread, x.cpumode, start + off);
1130         }
1131 out:
1132         return printed;
1133 }
1134
1135 static int perf_sample__fprintf_addr(struct perf_sample *sample,
1136                                      struct thread *thread,
1137                                      struct perf_event_attr *attr, FILE *fp)
1138 {
1139         struct addr_location al;
1140         int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1141
1142         if (!sample_addr_correlates_sym(attr))
1143                 goto out;
1144
1145         thread__resolve(thread, &al, sample);
1146
1147         if (PRINT_FIELD(SYM)) {
1148                 printed += fprintf(fp, " ");
1149                 if (PRINT_FIELD(SYMOFFSET))
1150                         printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1151                 else
1152                         printed += symbol__fprintf_symname(al.sym, fp);
1153         }
1154
1155         if (PRINT_FIELD(DSO)) {
1156                 printed += fprintf(fp, " (");
1157                 printed += map__fprintf_dsoname(al.map, fp);
1158                 printed += fprintf(fp, ")");
1159         }
1160 out:
1161         return printed;
1162 }
1163
1164 static const char *resolve_branch_sym(struct perf_sample *sample,
1165                                       struct perf_evsel *evsel,
1166                                       struct thread *thread,
1167                                       struct addr_location *al,
1168                                       u64 *ip)
1169 {
1170         struct addr_location addr_al;
1171         struct perf_event_attr *attr = &evsel->attr;
1172         const char *name = NULL;
1173
1174         if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1175                 if (sample_addr_correlates_sym(attr)) {
1176                         thread__resolve(thread, &addr_al, sample);
1177                         if (addr_al.sym)
1178                                 name = addr_al.sym->name;
1179                         else
1180                                 *ip = sample->addr;
1181                 } else {
1182                         *ip = sample->addr;
1183                 }
1184         } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1185                 if (al->sym)
1186                         name = al->sym->name;
1187                 else
1188                         *ip = sample->ip;
1189         }
1190         return name;
1191 }
1192
1193 static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1194                                            struct perf_evsel *evsel,
1195                                            struct thread *thread,
1196                                            struct addr_location *al, FILE *fp)
1197 {
1198         struct perf_event_attr *attr = &evsel->attr;
1199         size_t depth = thread_stack__depth(thread, sample->cpu);
1200         const char *name = NULL;
1201         static int spacing;
1202         int len = 0;
1203         int dlen = 0;
1204         u64 ip = 0;
1205
1206         /*
1207          * The 'return' has already been popped off the stack so the depth has
1208          * to be adjusted to match the 'call'.
1209          */
1210         if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
1211                 depth += 1;
1212
1213         name = resolve_branch_sym(sample, evsel, thread, al, &ip);
1214
1215         if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
1216                 dlen += fprintf(fp, "(");
1217                 dlen += map__fprintf_dsoname(al->map, fp);
1218                 dlen += fprintf(fp, ")\t");
1219         }
1220
1221         if (name)
1222                 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1223         else if (ip)
1224                 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1225
1226         if (len < 0)
1227                 return len;
1228
1229         /*
1230          * Try to keep the output length from changing frequently so that the
1231          * output lines up more nicely.
1232          */
1233         if (len > spacing || (len && len < spacing - 52))
1234                 spacing = round_up(len + 4, 32);
1235
1236         if (len < spacing)
1237                 len += fprintf(fp, "%*s", spacing - len, "");
1238
1239         return len + dlen;
1240 }
1241
1242 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused,
1243                             struct thread *thread __maybe_unused,
1244                             struct machine *machine __maybe_unused)
1245 {
1246 }
1247
1248 static int perf_sample__fprintf_insn(struct perf_sample *sample,
1249                                      struct perf_event_attr *attr,
1250                                      struct thread *thread,
1251                                      struct machine *machine, FILE *fp)
1252 {
1253         int printed = 0;
1254
1255         if (sample->insn_len == 0 && native_arch)
1256                 arch_fetch_insn(sample, thread, machine);
1257
1258         if (PRINT_FIELD(INSNLEN))
1259                 printed += fprintf(fp, " ilen: %d", sample->insn_len);
1260         if (PRINT_FIELD(INSN) && sample->insn_len) {
1261                 int i;
1262
1263                 printed += fprintf(fp, " insn:");
1264                 for (i = 0; i < sample->insn_len; i++)
1265                         printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
1266         }
1267         if (PRINT_FIELD(BRSTACKINSN))
1268                 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
1269
1270         return printed;
1271 }
1272
1273 static int perf_sample__fprintf_ipc(struct perf_sample *sample,
1274                                     struct perf_event_attr *attr, FILE *fp)
1275 {
1276         unsigned int ipc;
1277
1278         if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt)
1279                 return 0;
1280
1281         ipc = (sample->insn_cnt * 100) / sample->cyc_cnt;
1282
1283         return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ",
1284                        ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt);
1285 }
1286
1287 static int perf_sample__fprintf_bts(struct perf_sample *sample,
1288                                     struct perf_evsel *evsel,
1289                                     struct thread *thread,
1290                                     struct addr_location *al,
1291                                     struct machine *machine, FILE *fp)
1292 {
1293         struct perf_event_attr *attr = &evsel->attr;
1294         unsigned int type = output_type(attr->type);
1295         bool print_srcline_last = false;
1296         int printed = 0;
1297
1298         if (PRINT_FIELD(CALLINDENT))
1299                 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp);
1300
1301         /* print branch_from information */
1302         if (PRINT_FIELD(IP)) {
1303                 unsigned int print_opts = output[type].print_ip_opts;
1304                 struct callchain_cursor *cursor = NULL;
1305
1306                 if (symbol_conf.use_callchain && sample->callchain &&
1307                     thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1308                                               sample, NULL, NULL, scripting_max_stack) == 0)
1309                         cursor = &callchain_cursor;
1310
1311                 if (cursor == NULL) {
1312                         printed += fprintf(fp, " ");
1313                         if (print_opts & EVSEL__PRINT_SRCLINE) {
1314                                 print_srcline_last = true;
1315                                 print_opts &= ~EVSEL__PRINT_SRCLINE;
1316                         }
1317                 } else
1318                         printed += fprintf(fp, "\n");
1319
1320                 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, fp);
1321         }
1322
1323         /* print branch_to information */
1324         if (PRINT_FIELD(ADDR) ||
1325             ((evsel->attr.sample_type & PERF_SAMPLE_ADDR) &&
1326              !output[type].user_set)) {
1327                 printed += fprintf(fp, " => ");
1328                 printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1329         }
1330
1331         printed += perf_sample__fprintf_ipc(sample, attr, fp);
1332
1333         if (print_srcline_last)
1334                 printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
1335
1336         printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1337         printed += fprintf(fp, "\n");
1338         if (PRINT_FIELD(SRCCODE)) {
1339                 int ret = map__fprintf_srccode(al->map, al->addr, stdout,
1340                                          &thread->srccode_state);
1341                 if (ret) {
1342                         printed += ret;
1343                         printed += printf("\n");
1344                 }
1345         }
1346         return printed;
1347 }
1348
1349 static struct {
1350         u32 flags;
1351         const char *name;
1352 } sample_flags[] = {
1353         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1354         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1355         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1356         {PERF_IP_FLAG_BRANCH, "jmp"},
1357         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1358         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1359         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1360         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1361         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1362         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"},
1363         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1364         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1365         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1366         {0, NULL}
1367 };
1368
1369 static const char *sample_flags_to_name(u32 flags)
1370 {
1371         int i;
1372
1373         for (i = 0; sample_flags[i].name ; i++) {
1374                 if (sample_flags[i].flags == flags)
1375                         return sample_flags[i].name;
1376         }
1377
1378         return NULL;
1379 }
1380
1381 static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1382 {
1383         const char *chars = PERF_IP_FLAG_CHARS;
1384         const int n = strlen(PERF_IP_FLAG_CHARS);
1385         bool in_tx = flags & PERF_IP_FLAG_IN_TX;
1386         const char *name = NULL;
1387         char str[33];
1388         int i, pos = 0;
1389
1390         name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX);
1391         if (name)
1392                 return fprintf(fp, "  %-15s%4s ", name, in_tx ? "(x)" : "");
1393
1394         if (flags & PERF_IP_FLAG_TRACE_BEGIN) {
1395                 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN));
1396                 if (name)
1397                         return fprintf(fp, "  tr strt %-7s%4s ", name, in_tx ? "(x)" : "");
1398         }
1399
1400         if (flags & PERF_IP_FLAG_TRACE_END) {
1401                 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END));
1402                 if (name)
1403                         return fprintf(fp, "  tr end  %-7s%4s ", name, in_tx ? "(x)" : "");
1404         }
1405
1406         for (i = 0; i < n; i++, flags >>= 1) {
1407                 if (flags & 1)
1408                         str[pos++] = chars[i];
1409         }
1410         for (; i < 32; i++, flags >>= 1) {
1411                 if (flags & 1)
1412                         str[pos++] = '?';
1413         }
1414         str[pos] = 0;
1415
1416         return fprintf(fp, "  %-19s ", str);
1417 }
1418
1419 struct printer_data {
1420         int line_no;
1421         bool hit_nul;
1422         bool is_printable;
1423 };
1424
1425 static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1426                                       unsigned int val,
1427                                       void *extra, FILE *fp)
1428 {
1429         unsigned char ch = (unsigned char)val;
1430         struct printer_data *printer_data = extra;
1431         int printed = 0;
1432
1433         switch (op) {
1434         case BINARY_PRINT_DATA_BEGIN:
1435                 printed += fprintf(fp, "\n");
1436                 break;
1437         case BINARY_PRINT_LINE_BEGIN:
1438                 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1439                                                         "           ");
1440                 break;
1441         case BINARY_PRINT_ADDR:
1442                 printed += fprintf(fp, " %04x:", val);
1443                 break;
1444         case BINARY_PRINT_NUM_DATA:
1445                 printed += fprintf(fp, " %02x", val);
1446                 break;
1447         case BINARY_PRINT_NUM_PAD:
1448                 printed += fprintf(fp, "   ");
1449                 break;
1450         case BINARY_PRINT_SEP:
1451                 printed += fprintf(fp, "  ");
1452                 break;
1453         case BINARY_PRINT_CHAR_DATA:
1454                 if (printer_data->hit_nul && ch)
1455                         printer_data->is_printable = false;
1456
1457                 if (!isprint(ch)) {
1458                         printed += fprintf(fp, "%c", '.');
1459
1460                         if (!printer_data->is_printable)
1461                                 break;
1462
1463                         if (ch == '\0')
1464                                 printer_data->hit_nul = true;
1465                         else
1466                                 printer_data->is_printable = false;
1467                 } else {
1468                         printed += fprintf(fp, "%c", ch);
1469                 }
1470                 break;
1471         case BINARY_PRINT_CHAR_PAD:
1472                 printed += fprintf(fp, " ");
1473                 break;
1474         case BINARY_PRINT_LINE_END:
1475                 printed += fprintf(fp, "\n");
1476                 printer_data->line_no++;
1477                 break;
1478         case BINARY_PRINT_DATA_END:
1479         default:
1480                 break;
1481         }
1482
1483         return printed;
1484 }
1485
1486 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1487 {
1488         unsigned int nr_bytes = sample->raw_size;
1489         struct printer_data printer_data = {0, false, true};
1490         int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1491                                       sample__fprintf_bpf_output, &printer_data, fp);
1492
1493         if (printer_data.is_printable && printer_data.hit_nul)
1494                 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1495
1496         return printed;
1497 }
1498
1499 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1500 {
1501         if (len > 0 && len < spacing)
1502                 return fprintf(fp, "%*s", spacing - len, "");
1503
1504         return 0;
1505 }
1506
1507 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1508 {
1509         return perf_sample__fprintf_spacing(len, 34, fp);
1510 }
1511
1512 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1513 {
1514         struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1515         int len;
1516
1517         if (perf_sample__bad_synth_size(sample, *data))
1518                 return 0;
1519
1520         len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ",
1521                      data->ip, le64_to_cpu(data->payload));
1522         return len + perf_sample__fprintf_pt_spacing(len, fp);
1523 }
1524
1525 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1526 {
1527         struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1528         int len;
1529
1530         if (perf_sample__bad_synth_size(sample, *data))
1531                 return 0;
1532
1533         len = fprintf(fp, " hints: %#x extensions: %#x ",
1534                       data->hints, data->extensions);
1535         return len + perf_sample__fprintf_pt_spacing(len, fp);
1536 }
1537
1538 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1539 {
1540         struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1541         int len;
1542
1543         if (perf_sample__bad_synth_size(sample, *data))
1544                 return 0;
1545
1546         len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1547                       data->hw, data->cstate, data->subcstate);
1548         return len + perf_sample__fprintf_pt_spacing(len, fp);
1549 }
1550
1551 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1552 {
1553         struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1554         int len;
1555
1556         if (perf_sample__bad_synth_size(sample, *data))
1557                 return 0;
1558
1559         len = fprintf(fp, " IP: %u ", data->ip);
1560         return len + perf_sample__fprintf_pt_spacing(len, fp);
1561 }
1562
1563 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1564 {
1565         struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1566         int len;
1567
1568         if (perf_sample__bad_synth_size(sample, *data))
1569                 return 0;
1570
1571         len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1572                      data->deepest_cstate, data->last_cstate,
1573                      data->wake_reason);
1574         return len + perf_sample__fprintf_pt_spacing(len, fp);
1575 }
1576
1577 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1578 {
1579         struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1580         unsigned int percent, freq;
1581         int len;
1582
1583         if (perf_sample__bad_synth_size(sample, *data))
1584                 return 0;
1585
1586         freq = (le32_to_cpu(data->freq) + 500) / 1000;
1587         len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1588         if (data->max_nonturbo) {
1589                 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1590                 len += fprintf(fp, "(%3u%%) ", percent);
1591         }
1592         return len + perf_sample__fprintf_pt_spacing(len, fp);
1593 }
1594
1595 static int perf_sample__fprintf_synth(struct perf_sample *sample,
1596                                       struct perf_evsel *evsel, FILE *fp)
1597 {
1598         switch (evsel->attr.config) {
1599         case PERF_SYNTH_INTEL_PTWRITE:
1600                 return perf_sample__fprintf_synth_ptwrite(sample, fp);
1601         case PERF_SYNTH_INTEL_MWAIT:
1602                 return perf_sample__fprintf_synth_mwait(sample, fp);
1603         case PERF_SYNTH_INTEL_PWRE:
1604                 return perf_sample__fprintf_synth_pwre(sample, fp);
1605         case PERF_SYNTH_INTEL_EXSTOP:
1606                 return perf_sample__fprintf_synth_exstop(sample, fp);
1607         case PERF_SYNTH_INTEL_PWRX:
1608                 return perf_sample__fprintf_synth_pwrx(sample, fp);
1609         case PERF_SYNTH_INTEL_CBR:
1610                 return perf_sample__fprintf_synth_cbr(sample, fp);
1611         default:
1612                 break;
1613         }
1614
1615         return 0;
1616 }
1617
1618 struct perf_script {
1619         struct perf_tool        tool;
1620         struct perf_session     *session;
1621         bool                    show_task_events;
1622         bool                    show_mmap_events;
1623         bool                    show_switch_events;
1624         bool                    show_namespace_events;
1625         bool                    show_lost_events;
1626         bool                    show_round_events;
1627         bool                    show_bpf_events;
1628         bool                    allocated;
1629         bool                    per_event_dump;
1630         struct cpu_map          *cpus;
1631         struct thread_map       *threads;
1632         int                     name_width;
1633         const char              *time_str;
1634         struct perf_time_interval *ptime_range;
1635         int                     range_size;
1636         int                     range_num;
1637 };
1638
1639 static int perf_evlist__max_name_len(struct perf_evlist *evlist)
1640 {
1641         struct perf_evsel *evsel;
1642         int max = 0;
1643
1644         evlist__for_each_entry(evlist, evsel) {
1645                 int len = strlen(perf_evsel__name(evsel));
1646
1647                 max = MAX(len, max);
1648         }
1649
1650         return max;
1651 }
1652
1653 static int data_src__fprintf(u64 data_src, FILE *fp)
1654 {
1655         struct mem_info mi = { .data_src.val = data_src };
1656         char decode[100];
1657         char out[100];
1658         static int maxlen;
1659         int len;
1660
1661         perf_script__meminfo_scnprintf(decode, 100, &mi);
1662
1663         len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
1664         if (maxlen < len)
1665                 maxlen = len;
1666
1667         return fprintf(fp, "%-*s", maxlen, out);
1668 }
1669
1670 struct metric_ctx {
1671         struct perf_sample      *sample;
1672         struct thread           *thread;
1673         struct perf_evsel       *evsel;
1674         FILE                    *fp;
1675 };
1676
1677 static void script_print_metric(struct perf_stat_config *config __maybe_unused,
1678                                 void *ctx, const char *color,
1679                                 const char *fmt,
1680                                 const char *unit, double val)
1681 {
1682         struct metric_ctx *mctx = ctx;
1683
1684         if (!fmt)
1685                 return;
1686         perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
1687                                    PERF_RECORD_SAMPLE, mctx->fp);
1688         fputs("\tmetric: ", mctx->fp);
1689         if (color)
1690                 color_fprintf(mctx->fp, color, fmt, val);
1691         else
1692                 printf(fmt, val);
1693         fprintf(mctx->fp, " %s\n", unit);
1694 }
1695
1696 static void script_new_line(struct perf_stat_config *config __maybe_unused,
1697                             void *ctx)
1698 {
1699         struct metric_ctx *mctx = ctx;
1700
1701         perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
1702                                    PERF_RECORD_SAMPLE, mctx->fp);
1703         fputs("\tmetric: ", mctx->fp);
1704 }
1705
1706 static void perf_sample__fprint_metric(struct perf_script *script,
1707                                        struct thread *thread,
1708                                        struct perf_evsel *evsel,
1709                                        struct perf_sample *sample,
1710                                        FILE *fp)
1711 {
1712         struct perf_stat_output_ctx ctx = {
1713                 .print_metric = script_print_metric,
1714                 .new_line = script_new_line,
1715                 .ctx = &(struct metric_ctx) {
1716                                 .sample = sample,
1717                                 .thread = thread,
1718                                 .evsel  = evsel,
1719                                 .fp     = fp,
1720                          },
1721                 .force_header = false,
1722         };
1723         struct perf_evsel *ev2;
1724         u64 val;
1725
1726         if (!evsel->stats)
1727                 perf_evlist__alloc_stats(script->session->evlist, false);
1728         if (evsel_script(evsel->leader)->gnum++ == 0)
1729                 perf_stat__reset_shadow_stats();
1730         val = sample->period * evsel->scale;
1731         perf_stat__update_shadow_stats(evsel,
1732                                        val,
1733                                        sample->cpu,
1734                                        &rt_stat);
1735         evsel_script(evsel)->val = val;
1736         if (evsel_script(evsel->leader)->gnum == evsel->leader->nr_members) {
1737                 for_each_group_member (ev2, evsel->leader) {
1738                         perf_stat__print_shadow_stats(&stat_config, ev2,
1739                                                       evsel_script(ev2)->val,
1740                                                       sample->cpu,
1741                                                       &ctx,
1742                                                       NULL,
1743                                                       &rt_stat);
1744                 }
1745                 evsel_script(evsel->leader)->gnum = 0;
1746         }
1747 }
1748
1749 static bool show_event(struct perf_sample *sample,
1750                        struct perf_evsel *evsel,
1751                        struct thread *thread,
1752                        struct addr_location *al)
1753 {
1754         int depth = thread_stack__depth(thread, sample->cpu);
1755
1756         if (!symbol_conf.graph_function)
1757                 return true;
1758
1759         if (thread->filter) {
1760                 if (depth <= thread->filter_entry_depth) {
1761                         thread->filter = false;
1762                         return false;
1763                 }
1764                 return true;
1765         } else {
1766                 const char *s = symbol_conf.graph_function;
1767                 u64 ip;
1768                 const char *name = resolve_branch_sym(sample, evsel, thread, al,
1769                                 &ip);
1770                 unsigned nlen;
1771
1772                 if (!name)
1773                         return false;
1774                 nlen = strlen(name);
1775                 while (*s) {
1776                         unsigned len = strcspn(s, ",");
1777                         if (nlen == len && !strncmp(name, s, len)) {
1778                                 thread->filter = true;
1779                                 thread->filter_entry_depth = depth;
1780                                 return true;
1781                         }
1782                         s += len;
1783                         if (*s == ',')
1784                                 s++;
1785                 }
1786                 return false;
1787         }
1788 }
1789
1790 static void process_event(struct perf_script *script,
1791                           struct perf_sample *sample, struct perf_evsel *evsel,
1792                           struct addr_location *al,
1793                           struct machine *machine)
1794 {
1795         struct thread *thread = al->thread;
1796         struct perf_event_attr *attr = &evsel->attr;
1797         unsigned int type = output_type(attr->type);
1798         struct perf_evsel_script *es = evsel->priv;
1799         FILE *fp = es->fp;
1800
1801         if (output[type].fields == 0)
1802                 return;
1803
1804         if (!show_event(sample, evsel, thread, al))
1805                 return;
1806
1807         ++es->samples;
1808
1809         perf_sample__fprintf_start(sample, thread, evsel,
1810                                    PERF_RECORD_SAMPLE, fp);
1811
1812         if (PRINT_FIELD(PERIOD))
1813                 fprintf(fp, "%10" PRIu64 " ", sample->period);
1814
1815         if (PRINT_FIELD(EVNAME)) {
1816                 const char *evname = perf_evsel__name(evsel);
1817
1818                 if (!script->name_width)
1819                         script->name_width = perf_evlist__max_name_len(script->session->evlist);
1820
1821                 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
1822         }
1823
1824         if (print_flags)
1825                 perf_sample__fprintf_flags(sample->flags, fp);
1826
1827         if (is_bts_event(attr)) {
1828                 perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp);
1829                 return;
1830         }
1831
1832         if (PRINT_FIELD(TRACE) && sample->raw_data) {
1833                 event_format__fprintf(evsel->tp_format, sample->cpu,
1834                                       sample->raw_data, sample->raw_size, fp);
1835         }
1836
1837         if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
1838                 perf_sample__fprintf_synth(sample, evsel, fp);
1839
1840         if (PRINT_FIELD(ADDR))
1841                 perf_sample__fprintf_addr(sample, thread, attr, fp);
1842
1843         if (PRINT_FIELD(DATA_SRC))
1844                 data_src__fprintf(sample->data_src, fp);
1845
1846         if (PRINT_FIELD(WEIGHT))
1847                 fprintf(fp, "%16" PRIu64, sample->weight);
1848
1849         if (PRINT_FIELD(IP)) {
1850                 struct callchain_cursor *cursor = NULL;
1851
1852                 if (symbol_conf.use_callchain && sample->callchain &&
1853                     thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1854                                               sample, NULL, NULL, scripting_max_stack) == 0)
1855                         cursor = &callchain_cursor;
1856
1857                 fputc(cursor ? '\n' : ' ', fp);
1858                 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, fp);
1859         }
1860
1861         if (PRINT_FIELD(IREGS))
1862                 perf_sample__fprintf_iregs(sample, attr, fp);
1863
1864         if (PRINT_FIELD(UREGS))
1865                 perf_sample__fprintf_uregs(sample, attr, fp);
1866
1867         if (PRINT_FIELD(BRSTACK))
1868                 perf_sample__fprintf_brstack(sample, thread, attr, fp);
1869         else if (PRINT_FIELD(BRSTACKSYM))
1870                 perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
1871         else if (PRINT_FIELD(BRSTACKOFF))
1872                 perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
1873
1874         if (perf_evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
1875                 perf_sample__fprintf_bpf_output(sample, fp);
1876         perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1877
1878         if (PRINT_FIELD(PHYS_ADDR))
1879                 fprintf(fp, "%16" PRIx64, sample->phys_addr);
1880
1881         perf_sample__fprintf_ipc(sample, attr, fp);
1882
1883         fprintf(fp, "\n");
1884
1885         if (PRINT_FIELD(SRCCODE)) {
1886                 if (map__fprintf_srccode(al->map, al->addr, stdout,
1887                                          &thread->srccode_state))
1888                         printf("\n");
1889         }
1890
1891         if (PRINT_FIELD(METRIC))
1892                 perf_sample__fprint_metric(script, thread, evsel, sample, fp);
1893
1894         if (verbose)
1895                 fflush(fp);
1896 }
1897
1898 static struct scripting_ops     *scripting_ops;
1899
1900 static void __process_stat(struct perf_evsel *counter, u64 tstamp)
1901 {
1902         int nthreads = thread_map__nr(counter->threads);
1903         int ncpus = perf_evsel__nr_cpus(counter);
1904         int cpu, thread;
1905         static int header_printed;
1906
1907         if (counter->system_wide)
1908                 nthreads = 1;
1909
1910         if (!header_printed) {
1911                 printf("%3s %8s %15s %15s %15s %15s %s\n",
1912                        "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
1913                 header_printed = 1;
1914         }
1915
1916         for (thread = 0; thread < nthreads; thread++) {
1917                 for (cpu = 0; cpu < ncpus; cpu++) {
1918                         struct perf_counts_values *counts;
1919
1920                         counts = perf_counts(counter->counts, cpu, thread);
1921
1922                         printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
1923                                 counter->cpus->map[cpu],
1924                                 thread_map__pid(counter->threads, thread),
1925                                 counts->val,
1926                                 counts->ena,
1927                                 counts->run,
1928                                 tstamp,
1929                                 perf_evsel__name(counter));
1930                 }
1931         }
1932 }
1933
1934 static void process_stat(struct perf_evsel *counter, u64 tstamp)
1935 {
1936         if (scripting_ops && scripting_ops->process_stat)
1937                 scripting_ops->process_stat(&stat_config, counter, tstamp);
1938         else
1939                 __process_stat(counter, tstamp);
1940 }
1941
1942 static void process_stat_interval(u64 tstamp)
1943 {
1944         if (scripting_ops && scripting_ops->process_stat_interval)
1945                 scripting_ops->process_stat_interval(tstamp);
1946 }
1947
1948 static void setup_scripting(void)
1949 {
1950         setup_perl_scripting();
1951         setup_python_scripting();
1952 }
1953
1954 static int flush_scripting(void)
1955 {
1956         return scripting_ops ? scripting_ops->flush_script() : 0;
1957 }
1958
1959 static int cleanup_scripting(void)
1960 {
1961         pr_debug("\nperf script stopped\n");
1962
1963         return scripting_ops ? scripting_ops->stop_script() : 0;
1964 }
1965
1966 static bool filter_cpu(struct perf_sample *sample)
1967 {
1968         if (cpu_list)
1969                 return !test_bit(sample->cpu, cpu_bitmap);
1970         return false;
1971 }
1972
1973 static int process_sample_event(struct perf_tool *tool,
1974                                 union perf_event *event,
1975                                 struct perf_sample *sample,
1976                                 struct perf_evsel *evsel,
1977                                 struct machine *machine)
1978 {
1979         struct perf_script *scr = container_of(tool, struct perf_script, tool);
1980         struct addr_location al;
1981
1982         if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
1983                                           sample->time)) {
1984                 return 0;
1985         }
1986
1987         if (debug_mode) {
1988                 if (sample->time < last_timestamp) {
1989                         pr_err("Samples misordered, previous: %" PRIu64
1990                                 " this: %" PRIu64 "\n", last_timestamp,
1991                                 sample->time);
1992                         nr_unordered++;
1993                 }
1994                 last_timestamp = sample->time;
1995                 return 0;
1996         }
1997
1998         if (machine__resolve(machine, &al, sample) < 0) {
1999                 pr_err("problem processing %d event, skipping it.\n",
2000                        event->header.type);
2001                 return -1;
2002         }
2003
2004         if (al.filtered)
2005                 goto out_put;
2006
2007         if (filter_cpu(sample))
2008                 goto out_put;
2009
2010         if (scripting_ops)
2011                 scripting_ops->process_event(event, sample, evsel, &al);
2012         else
2013                 process_event(scr, sample, evsel, &al, machine);
2014
2015 out_put:
2016         addr_location__put(&al);
2017         return 0;
2018 }
2019
2020 static int process_attr(struct perf_tool *tool, union perf_event *event,
2021                         struct perf_evlist **pevlist)
2022 {
2023         struct perf_script *scr = container_of(tool, struct perf_script, tool);
2024         struct perf_evlist *evlist;
2025         struct perf_evsel *evsel, *pos;
2026         int err;
2027         static struct perf_evsel_script *es;
2028
2029         err = perf_event__process_attr(tool, event, pevlist);
2030         if (err)
2031                 return err;
2032
2033         evlist = *pevlist;
2034         evsel = perf_evlist__last(*pevlist);
2035
2036         if (!evsel->priv) {
2037                 if (scr->per_event_dump) {
2038                         evsel->priv = perf_evsel_script__new(evsel,
2039                                                 scr->session->data);
2040                 } else {
2041                         es = zalloc(sizeof(*es));
2042                         if (!es)
2043                                 return -ENOMEM;
2044                         es->fp = stdout;
2045                         evsel->priv = es;
2046                 }
2047         }
2048
2049         if (evsel->attr.type >= PERF_TYPE_MAX &&
2050             evsel->attr.type != PERF_TYPE_SYNTH)
2051                 return 0;
2052
2053         evlist__for_each_entry(evlist, pos) {
2054                 if (pos->attr.type == evsel->attr.type && pos != evsel)
2055                         return 0;
2056         }
2057
2058         set_print_ip_opts(&evsel->attr);
2059
2060         if (evsel->attr.sample_type)
2061                 err = perf_evsel__check_attr(evsel, scr->session);
2062
2063         return err;
2064 }
2065
2066 static int process_comm_event(struct perf_tool *tool,
2067                               union perf_event *event,
2068                               struct perf_sample *sample,
2069                               struct machine *machine)
2070 {
2071         struct thread *thread;
2072         struct perf_script *script = container_of(tool, struct perf_script, tool);
2073         struct perf_session *session = script->session;
2074         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2075         int ret = -1;
2076
2077         thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid);
2078         if (thread == NULL) {
2079                 pr_debug("problem processing COMM event, skipping it.\n");
2080                 return -1;
2081         }
2082
2083         if (perf_event__process_comm(tool, event, sample, machine) < 0)
2084                 goto out;
2085
2086         if (!evsel->attr.sample_id_all) {
2087                 sample->cpu = 0;
2088                 sample->time = 0;
2089                 sample->tid = event->comm.tid;
2090                 sample->pid = event->comm.pid;
2091         }
2092         if (!filter_cpu(sample)) {
2093                 perf_sample__fprintf_start(sample, thread, evsel,
2094                                    PERF_RECORD_COMM, stdout);
2095                 perf_event__fprintf(event, stdout);
2096         }
2097         ret = 0;
2098 out:
2099         thread__put(thread);
2100         return ret;
2101 }
2102
2103 static int process_namespaces_event(struct perf_tool *tool,
2104                                     union perf_event *event,
2105                                     struct perf_sample *sample,
2106                                     struct machine *machine)
2107 {
2108         struct thread *thread;
2109         struct perf_script *script = container_of(tool, struct perf_script, tool);
2110         struct perf_session *session = script->session;
2111         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2112         int ret = -1;
2113
2114         thread = machine__findnew_thread(machine, event->namespaces.pid,
2115                                          event->namespaces.tid);
2116         if (thread == NULL) {
2117                 pr_debug("problem processing NAMESPACES event, skipping it.\n");
2118                 return -1;
2119         }
2120
2121         if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
2122                 goto out;
2123
2124         if (!evsel->attr.sample_id_all) {
2125                 sample->cpu = 0;
2126                 sample->time = 0;
2127                 sample->tid = event->namespaces.tid;
2128                 sample->pid = event->namespaces.pid;
2129         }
2130         if (!filter_cpu(sample)) {
2131                 perf_sample__fprintf_start(sample, thread, evsel,
2132                                            PERF_RECORD_NAMESPACES, stdout);
2133                 perf_event__fprintf(event, stdout);
2134         }
2135         ret = 0;
2136 out:
2137         thread__put(thread);
2138         return ret;
2139 }
2140
2141 static int process_fork_event(struct perf_tool *tool,
2142                               union perf_event *event,
2143                               struct perf_sample *sample,
2144                               struct machine *machine)
2145 {
2146         struct thread *thread;
2147         struct perf_script *script = container_of(tool, struct perf_script, tool);
2148         struct perf_session *session = script->session;
2149         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2150
2151         if (perf_event__process_fork(tool, event, sample, machine) < 0)
2152                 return -1;
2153
2154         thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
2155         if (thread == NULL) {
2156                 pr_debug("problem processing FORK event, skipping it.\n");
2157                 return -1;
2158         }
2159
2160         if (!evsel->attr.sample_id_all) {
2161                 sample->cpu = 0;
2162                 sample->time = event->fork.time;
2163                 sample->tid = event->fork.tid;
2164                 sample->pid = event->fork.pid;
2165         }
2166         if (!filter_cpu(sample)) {
2167                 perf_sample__fprintf_start(sample, thread, evsel,
2168                                            PERF_RECORD_FORK, stdout);
2169                 perf_event__fprintf(event, stdout);
2170         }
2171         thread__put(thread);
2172
2173         return 0;
2174 }
2175 static int process_exit_event(struct perf_tool *tool,
2176                               union perf_event *event,
2177                               struct perf_sample *sample,
2178                               struct machine *machine)
2179 {
2180         int err = 0;
2181         struct thread *thread;
2182         struct perf_script *script = container_of(tool, struct perf_script, tool);
2183         struct perf_session *session = script->session;
2184         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2185
2186         thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
2187         if (thread == NULL) {
2188                 pr_debug("problem processing EXIT event, skipping it.\n");
2189                 return -1;
2190         }
2191
2192         if (!evsel->attr.sample_id_all) {
2193                 sample->cpu = 0;
2194                 sample->time = 0;
2195                 sample->tid = event->fork.tid;
2196                 sample->pid = event->fork.pid;
2197         }
2198         if (!filter_cpu(sample)) {
2199                 perf_sample__fprintf_start(sample, thread, evsel,
2200                                            PERF_RECORD_EXIT, stdout);
2201                 perf_event__fprintf(event, stdout);
2202         }
2203
2204         if (perf_event__process_exit(tool, event, sample, machine) < 0)
2205                 err = -1;
2206
2207         thread__put(thread);
2208         return err;
2209 }
2210
2211 static int process_mmap_event(struct perf_tool *tool,
2212                               union perf_event *event,
2213                               struct perf_sample *sample,
2214                               struct machine *machine)
2215 {
2216         struct thread *thread;
2217         struct perf_script *script = container_of(tool, struct perf_script, tool);
2218         struct perf_session *session = script->session;
2219         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2220
2221         if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2222                 return -1;
2223
2224         thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid);
2225         if (thread == NULL) {
2226                 pr_debug("problem processing MMAP event, skipping it.\n");
2227                 return -1;
2228         }
2229
2230         if (!evsel->attr.sample_id_all) {
2231                 sample->cpu = 0;
2232                 sample->time = 0;
2233                 sample->tid = event->mmap.tid;
2234                 sample->pid = event->mmap.pid;
2235         }
2236         if (!filter_cpu(sample)) {
2237                 perf_sample__fprintf_start(sample, thread, evsel,
2238                                            PERF_RECORD_MMAP, stdout);
2239                 perf_event__fprintf(event, stdout);
2240         }
2241         thread__put(thread);
2242         return 0;
2243 }
2244
2245 static int process_mmap2_event(struct perf_tool *tool,
2246                               union perf_event *event,
2247                               struct perf_sample *sample,
2248                               struct machine *machine)
2249 {
2250         struct thread *thread;
2251         struct perf_script *script = container_of(tool, struct perf_script, tool);
2252         struct perf_session *session = script->session;
2253         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2254
2255         if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2256                 return -1;
2257
2258         thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid);
2259         if (thread == NULL) {
2260                 pr_debug("problem processing MMAP2 event, skipping it.\n");
2261                 return -1;
2262         }
2263
2264         if (!evsel->attr.sample_id_all) {
2265                 sample->cpu = 0;
2266                 sample->time = 0;
2267                 sample->tid = event->mmap2.tid;
2268                 sample->pid = event->mmap2.pid;
2269         }
2270         if (!filter_cpu(sample)) {
2271                 perf_sample__fprintf_start(sample, thread, evsel,
2272                                            PERF_RECORD_MMAP2, stdout);
2273                 perf_event__fprintf(event, stdout);
2274         }
2275         thread__put(thread);
2276         return 0;
2277 }
2278
2279 static int process_switch_event(struct perf_tool *tool,
2280                                 union perf_event *event,
2281                                 struct perf_sample *sample,
2282                                 struct machine *machine)
2283 {
2284         struct thread *thread;
2285         struct perf_script *script = container_of(tool, struct perf_script, tool);
2286         struct perf_session *session = script->session;
2287         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2288
2289         if (perf_event__process_switch(tool, event, sample, machine) < 0)
2290                 return -1;
2291
2292         if (scripting_ops && scripting_ops->process_switch)
2293                 scripting_ops->process_switch(event, sample, machine);
2294
2295         if (!script->show_switch_events)
2296                 return 0;
2297
2298         thread = machine__findnew_thread(machine, sample->pid,
2299                                          sample->tid);
2300         if (thread == NULL) {
2301                 pr_debug("problem processing SWITCH event, skipping it.\n");
2302                 return -1;
2303         }
2304
2305         if (!filter_cpu(sample)) {
2306                 perf_sample__fprintf_start(sample, thread, evsel,
2307                                            PERF_RECORD_SWITCH, stdout);
2308                 perf_event__fprintf(event, stdout);
2309         }
2310         thread__put(thread);
2311         return 0;
2312 }
2313
2314 static int
2315 process_lost_event(struct perf_tool *tool,
2316                    union perf_event *event,
2317                    struct perf_sample *sample,
2318                    struct machine *machine)
2319 {
2320         struct perf_script *script = container_of(tool, struct perf_script, tool);
2321         struct perf_session *session = script->session;
2322         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2323         struct thread *thread;
2324
2325         thread = machine__findnew_thread(machine, sample->pid,
2326                                          sample->tid);
2327         if (thread == NULL)
2328                 return -1;
2329
2330         if (!filter_cpu(sample)) {
2331                 perf_sample__fprintf_start(sample, thread, evsel,
2332                                            PERF_RECORD_LOST, stdout);
2333                 perf_event__fprintf(event, stdout);
2334         }
2335         thread__put(thread);
2336         return 0;
2337 }
2338
2339 static int
2340 process_finished_round_event(struct perf_tool *tool __maybe_unused,
2341                              union perf_event *event,
2342                              struct ordered_events *oe __maybe_unused)
2343
2344 {
2345         perf_event__fprintf(event, stdout);
2346         return 0;
2347 }
2348
2349 static int
2350 process_bpf_events(struct perf_tool *tool __maybe_unused,
2351                    union perf_event *event,
2352                    struct perf_sample *sample,
2353                    struct machine *machine)
2354 {
2355         struct thread *thread;
2356         struct perf_script *script = container_of(tool, struct perf_script, tool);
2357         struct perf_session *session = script->session;
2358         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2359
2360         if (machine__process_ksymbol(machine, event, sample) < 0)
2361                 return -1;
2362
2363         if (!evsel->attr.sample_id_all) {
2364                 perf_event__fprintf(event, stdout);
2365                 return 0;
2366         }
2367
2368         thread = machine__findnew_thread(machine, sample->pid, sample->tid);
2369         if (thread == NULL) {
2370                 pr_debug("problem processing MMAP event, skipping it.\n");
2371                 return -1;
2372         }
2373
2374         if (!filter_cpu(sample)) {
2375                 perf_sample__fprintf_start(sample, thread, evsel,
2376                                            event->header.type, stdout);
2377                 perf_event__fprintf(event, stdout);
2378         }
2379
2380         thread__put(thread);
2381         return 0;
2382 }
2383
2384 static void sig_handler(int sig __maybe_unused)
2385 {
2386         session_done = 1;
2387 }
2388
2389 static void perf_script__fclose_per_event_dump(struct perf_script *script)
2390 {
2391         struct perf_evlist *evlist = script->session->evlist;
2392         struct perf_evsel *evsel;
2393
2394         evlist__for_each_entry(evlist, evsel) {
2395                 if (!evsel->priv)
2396                         break;
2397                 perf_evsel_script__delete(evsel->priv);
2398                 evsel->priv = NULL;
2399         }
2400 }
2401
2402 static int perf_script__fopen_per_event_dump(struct perf_script *script)
2403 {
2404         struct perf_evsel *evsel;
2405
2406         evlist__for_each_entry(script->session->evlist, evsel) {
2407                 /*
2408                  * Already setup? I.e. we may be called twice in cases like
2409                  * Intel PT, one for the intel_pt// and dummy events, then
2410                  * for the evsels syntheized from the auxtrace info.
2411                  *
2412                  * Ses perf_script__process_auxtrace_info.
2413                  */
2414                 if (evsel->priv != NULL)
2415                         continue;
2416
2417                 evsel->priv = perf_evsel_script__new(evsel, script->session->data);
2418                 if (evsel->priv == NULL)
2419                         goto out_err_fclose;
2420         }
2421
2422         return 0;
2423
2424 out_err_fclose:
2425         perf_script__fclose_per_event_dump(script);
2426         return -1;
2427 }
2428
2429 static int perf_script__setup_per_event_dump(struct perf_script *script)
2430 {
2431         struct perf_evsel *evsel;
2432         static struct perf_evsel_script es_stdout;
2433
2434         if (script->per_event_dump)
2435                 return perf_script__fopen_per_event_dump(script);
2436
2437         es_stdout.fp = stdout;
2438
2439         evlist__for_each_entry(script->session->evlist, evsel)
2440                 evsel->priv = &es_stdout;
2441
2442         return 0;
2443 }
2444
2445 static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2446 {
2447         struct perf_evsel *evsel;
2448
2449         evlist__for_each_entry(script->session->evlist, evsel) {
2450                 struct perf_evsel_script *es = evsel->priv;
2451
2452                 perf_evsel_script__fprintf(es, stdout);
2453                 perf_evsel_script__delete(es);
2454                 evsel->priv = NULL;
2455         }
2456 }
2457
2458 static int __cmd_script(struct perf_script *script)
2459 {
2460         int ret;
2461
2462         signal(SIGINT, sig_handler);
2463
2464         perf_stat__init_shadow_stats();
2465
2466         /* override event processing functions */
2467         if (script->show_task_events) {
2468                 script->tool.comm = process_comm_event;
2469                 script->tool.fork = process_fork_event;
2470                 script->tool.exit = process_exit_event;
2471         }
2472         if (script->show_mmap_events) {
2473                 script->tool.mmap = process_mmap_event;
2474                 script->tool.mmap2 = process_mmap2_event;
2475         }
2476         if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch))
2477                 script->tool.context_switch = process_switch_event;
2478         if (script->show_namespace_events)
2479                 script->tool.namespaces = process_namespaces_event;
2480         if (script->show_lost_events)
2481                 script->tool.lost = process_lost_event;
2482         if (script->show_round_events) {
2483                 script->tool.ordered_events = false;
2484                 script->tool.finished_round = process_finished_round_event;
2485         }
2486         if (script->show_bpf_events) {
2487                 script->tool.ksymbol   = process_bpf_events;
2488                 script->tool.bpf_event = process_bpf_events;
2489         }
2490
2491         if (perf_script__setup_per_event_dump(script)) {
2492                 pr_err("Couldn't create the per event dump files\n");
2493                 return -1;
2494         }
2495
2496         ret = perf_session__process_events(script->session);
2497
2498         if (script->per_event_dump)
2499                 perf_script__exit_per_event_dump_stats(script);
2500
2501         if (debug_mode)
2502                 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2503
2504         return ret;
2505 }
2506
2507 struct script_spec {
2508         struct list_head        node;
2509         struct scripting_ops    *ops;
2510         char                    spec[0];
2511 };
2512
2513 static LIST_HEAD(script_specs);
2514
2515 static struct script_spec *script_spec__new(const char *spec,
2516                                             struct scripting_ops *ops)
2517 {
2518         struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2519
2520         if (s != NULL) {
2521                 strcpy(s->spec, spec);
2522                 s->ops = ops;
2523         }
2524
2525         return s;
2526 }
2527
2528 static void script_spec__add(struct script_spec *s)
2529 {
2530         list_add_tail(&s->node, &script_specs);
2531 }
2532
2533 static struct script_spec *script_spec__find(const char *spec)
2534 {
2535         struct script_spec *s;
2536
2537         list_for_each_entry(s, &script_specs, node)
2538                 if (strcasecmp(s->spec, spec) == 0)
2539                         return s;
2540         return NULL;
2541 }
2542
2543 int script_spec_register(const char *spec, struct scripting_ops *ops)
2544 {
2545         struct script_spec *s;
2546
2547         s = script_spec__find(spec);
2548         if (s)
2549                 return -1;
2550
2551         s = script_spec__new(spec, ops);
2552         if (!s)
2553                 return -1;
2554         else
2555                 script_spec__add(s);
2556
2557         return 0;
2558 }
2559
2560 static struct scripting_ops *script_spec__lookup(const char *spec)
2561 {
2562         struct script_spec *s = script_spec__find(spec);
2563         if (!s)
2564                 return NULL;
2565
2566         return s->ops;
2567 }
2568
2569 static void list_available_languages(void)
2570 {
2571         struct script_spec *s;
2572
2573         fprintf(stderr, "\n");
2574         fprintf(stderr, "Scripting language extensions (used in "
2575                 "perf script -s [spec:]script.[spec]):\n\n");
2576
2577         list_for_each_entry(s, &script_specs, node)
2578                 fprintf(stderr, "  %-42s [%s]\n", s->spec, s->ops->name);
2579
2580         fprintf(stderr, "\n");
2581 }
2582
2583 static int parse_scriptname(const struct option *opt __maybe_unused,
2584                             const char *str, int unset __maybe_unused)
2585 {
2586         char spec[PATH_MAX];
2587         const char *script, *ext;
2588         int len;
2589
2590         if (strcmp(str, "lang") == 0) {
2591                 list_available_languages();
2592                 exit(0);
2593         }
2594
2595         script = strchr(str, ':');
2596         if (script) {
2597                 len = script - str;
2598                 if (len >= PATH_MAX) {
2599                         fprintf(stderr, "invalid language specifier");
2600                         return -1;
2601                 }
2602                 strncpy(spec, str, len);
2603                 spec[len] = '\0';
2604                 scripting_ops = script_spec__lookup(spec);
2605                 if (!scripting_ops) {
2606                         fprintf(stderr, "invalid language specifier");
2607                         return -1;
2608                 }
2609                 script++;
2610         } else {
2611                 script = str;
2612                 ext = strrchr(script, '.');
2613                 if (!ext) {
2614                         fprintf(stderr, "invalid script extension");
2615                         return -1;
2616                 }
2617                 scripting_ops = script_spec__lookup(++ext);
2618                 if (!scripting_ops) {
2619                         fprintf(stderr, "invalid script extension");
2620                         return -1;
2621                 }
2622         }
2623
2624         script_name = strdup(script);
2625
2626         return 0;
2627 }
2628
2629 static int parse_output_fields(const struct option *opt __maybe_unused,
2630                             const char *arg, int unset __maybe_unused)
2631 {
2632         char *tok, *strtok_saveptr = NULL;
2633         int i, imax = ARRAY_SIZE(all_output_options);
2634         int j;
2635         int rc = 0;
2636         char *str = strdup(arg);
2637         int type = -1;
2638         enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
2639
2640         if (!str)
2641                 return -ENOMEM;
2642
2643         /* first word can state for which event type the user is specifying
2644          * the fields. If no type exists, the specified fields apply to all
2645          * event types found in the file minus the invalid fields for a type.
2646          */
2647         tok = strchr(str, ':');
2648         if (tok) {
2649                 *tok = '\0';
2650                 tok++;
2651                 if (!strcmp(str, "hw"))
2652                         type = PERF_TYPE_HARDWARE;
2653                 else if (!strcmp(str, "sw"))
2654                         type = PERF_TYPE_SOFTWARE;
2655                 else if (!strcmp(str, "trace"))
2656                         type = PERF_TYPE_TRACEPOINT;
2657                 else if (!strcmp(str, "raw"))
2658                         type = PERF_TYPE_RAW;
2659                 else if (!strcmp(str, "break"))
2660                         type = PERF_TYPE_BREAKPOINT;
2661                 else if (!strcmp(str, "synth"))
2662                         type = OUTPUT_TYPE_SYNTH;
2663                 else {
2664                         fprintf(stderr, "Invalid event type in field string.\n");
2665                         rc = -EINVAL;
2666                         goto out;
2667                 }
2668
2669                 if (output[type].user_set)
2670                         pr_warning("Overriding previous field request for %s events.\n",
2671                                    event_type(type));
2672
2673                 /* Don't override defaults for +- */
2674                 if (strchr(tok, '+') || strchr(tok, '-'))
2675                         goto parse;
2676
2677                 output[type].fields = 0;
2678                 output[type].user_set = true;
2679                 output[type].wildcard_set = false;
2680
2681         } else {
2682                 tok = str;
2683                 if (strlen(str) == 0) {
2684                         fprintf(stderr,
2685                                 "Cannot set fields to 'none' for all event types.\n");
2686                         rc = -EINVAL;
2687                         goto out;
2688                 }
2689
2690                 /* Don't override defaults for +- */
2691                 if (strchr(str, '+') || strchr(str, '-'))
2692                         goto parse;
2693
2694                 if (output_set_by_user())
2695                         pr_warning("Overriding previous field request for all events.\n");
2696
2697                 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2698                         output[j].fields = 0;
2699                         output[j].user_set = true;
2700                         output[j].wildcard_set = true;
2701                 }
2702         }
2703
2704 parse:
2705         for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
2706                 if (*tok == '+') {
2707                         if (change == SET)
2708                                 goto out_badmix;
2709                         change = ADD;
2710                         tok++;
2711                 } else if (*tok == '-') {
2712                         if (change == SET)
2713                                 goto out_badmix;
2714                         change = REMOVE;
2715                         tok++;
2716                 } else {
2717                         if (change != SET && change != DEFAULT)
2718                                 goto out_badmix;
2719                         change = SET;
2720                 }
2721
2722                 for (i = 0; i < imax; ++i) {
2723                         if (strcmp(tok, all_output_options[i].str) == 0)
2724                                 break;
2725                 }
2726                 if (i == imax && strcmp(tok, "flags") == 0) {
2727                         print_flags = change == REMOVE ? false : true;
2728                         continue;
2729                 }
2730                 if (i == imax) {
2731                         fprintf(stderr, "Invalid field requested.\n");
2732                         rc = -EINVAL;
2733                         goto out;
2734                 }
2735
2736                 if (type == -1) {
2737                         /* add user option to all events types for
2738                          * which it is valid
2739                          */
2740                         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2741                                 if (output[j].invalid_fields & all_output_options[i].field) {
2742                                         pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
2743                                                    all_output_options[i].str, event_type(j));
2744                                 } else {
2745                                         if (change == REMOVE) {
2746                                                 output[j].fields &= ~all_output_options[i].field;
2747                                                 output[j].user_set_fields &= ~all_output_options[i].field;
2748                                         } else {
2749                                                 output[j].fields |= all_output_options[i].field;
2750                                                 output[j].user_set_fields |= all_output_options[i].field;
2751                                         }
2752                                         output[j].user_set = true;
2753                                         output[j].wildcard_set = true;
2754                                 }
2755                         }
2756                 } else {
2757                         if (output[type].invalid_fields & all_output_options[i].field) {
2758                                 fprintf(stderr, "\'%s\' not valid for %s events.\n",
2759                                          all_output_options[i].str, event_type(type));
2760
2761                                 rc = -EINVAL;
2762                                 goto out;
2763                         }
2764                         if (change == REMOVE)
2765                                 output[type].fields &= ~all_output_options[i].field;
2766                         else
2767                                 output[type].fields |= all_output_options[i].field;
2768                         output[type].user_set = true;
2769                         output[type].wildcard_set = true;
2770                 }
2771         }
2772
2773         if (type >= 0) {
2774                 if (output[type].fields == 0) {
2775                         pr_debug("No fields requested for %s type. "
2776                                  "Events will not be displayed.\n", event_type(type));
2777                 }
2778         }
2779         goto out;
2780
2781 out_badmix:
2782         fprintf(stderr, "Cannot mix +-field with overridden fields\n");
2783         rc = -EINVAL;
2784 out:
2785         free(str);
2786         return rc;
2787 }
2788
2789 #define for_each_lang(scripts_path, scripts_dir, lang_dirent)           \
2790         while ((lang_dirent = readdir(scripts_dir)) != NULL)            \
2791                 if ((lang_dirent->d_type == DT_DIR ||                   \
2792                      (lang_dirent->d_type == DT_UNKNOWN &&              \
2793                       is_directory(scripts_path, lang_dirent))) &&      \
2794                     (strcmp(lang_dirent->d_name, ".")) &&               \
2795                     (strcmp(lang_dirent->d_name, "..")))
2796
2797 #define for_each_script(lang_path, lang_dir, script_dirent)             \
2798         while ((script_dirent = readdir(lang_dir)) != NULL)             \
2799                 if (script_dirent->d_type != DT_DIR &&                  \
2800                     (script_dirent->d_type != DT_UNKNOWN ||             \
2801                      !is_directory(lang_path, script_dirent)))
2802
2803
2804 #define RECORD_SUFFIX                   "-record"
2805 #define REPORT_SUFFIX                   "-report"
2806
2807 struct script_desc {
2808         struct list_head        node;
2809         char                    *name;
2810         char                    *half_liner;
2811         char                    *args;
2812 };
2813
2814 static LIST_HEAD(script_descs);
2815
2816 static struct script_desc *script_desc__new(const char *name)
2817 {
2818         struct script_desc *s = zalloc(sizeof(*s));
2819
2820         if (s != NULL && name)
2821                 s->name = strdup(name);
2822
2823         return s;
2824 }
2825
2826 static void script_desc__delete(struct script_desc *s)
2827 {
2828         zfree(&s->name);
2829         zfree(&s->half_liner);
2830         zfree(&s->args);
2831         free(s);
2832 }
2833
2834 static void script_desc__add(struct script_desc *s)
2835 {
2836         list_add_tail(&s->node, &script_descs);
2837 }
2838
2839 static struct script_desc *script_desc__find(const char *name)
2840 {
2841         struct script_desc *s;
2842
2843         list_for_each_entry(s, &script_descs, node)
2844                 if (strcasecmp(s->name, name) == 0)
2845                         return s;
2846         return NULL;
2847 }
2848
2849 static struct script_desc *script_desc__findnew(const char *name)
2850 {
2851         struct script_desc *s = script_desc__find(name);
2852
2853         if (s)
2854                 return s;
2855
2856         s = script_desc__new(name);
2857         if (!s)
2858                 return NULL;
2859
2860         script_desc__add(s);
2861
2862         return s;
2863 }
2864
2865 static const char *ends_with(const char *str, const char *suffix)
2866 {
2867         size_t suffix_len = strlen(suffix);
2868         const char *p = str;
2869
2870         if (strlen(str) > suffix_len) {
2871                 p = str + strlen(str) - suffix_len;
2872                 if (!strncmp(p, suffix, suffix_len))
2873                         return p;
2874         }
2875
2876         return NULL;
2877 }
2878
2879 static int read_script_info(struct script_desc *desc, const char *filename)
2880 {
2881         char line[BUFSIZ], *p;
2882         FILE *fp;
2883
2884         fp = fopen(filename, "r");
2885         if (!fp)
2886                 return -1;
2887
2888         while (fgets(line, sizeof(line), fp)) {
2889                 p = skip_spaces(line);
2890                 if (strlen(p) == 0)
2891                         continue;
2892                 if (*p != '#')
2893                         continue;
2894                 p++;
2895                 if (strlen(p) && *p == '!')
2896                         continue;
2897
2898                 p = skip_spaces(p);
2899                 if (strlen(p) && p[strlen(p) - 1] == '\n')
2900                         p[strlen(p) - 1] = '\0';
2901
2902                 if (!strncmp(p, "description:", strlen("description:"))) {
2903                         p += strlen("description:");
2904                         desc->half_liner = strdup(skip_spaces(p));
2905                         continue;
2906                 }
2907
2908                 if (!strncmp(p, "args:", strlen("args:"))) {
2909                         p += strlen("args:");
2910                         desc->args = strdup(skip_spaces(p));
2911                         continue;
2912                 }
2913         }
2914
2915         fclose(fp);
2916
2917         return 0;
2918 }
2919
2920 static char *get_script_root(struct dirent *script_dirent, const char *suffix)
2921 {
2922         char *script_root, *str;
2923
2924         script_root = strdup(script_dirent->d_name);
2925         if (!script_root)
2926                 return NULL;
2927
2928         str = (char *)ends_with(script_root, suffix);
2929         if (!str) {
2930                 free(script_root);
2931                 return NULL;
2932         }
2933
2934         *str = '\0';
2935         return script_root;
2936 }
2937
2938 static int list_available_scripts(const struct option *opt __maybe_unused,
2939                                   const char *s __maybe_unused,
2940                                   int unset __maybe_unused)
2941 {
2942         struct dirent *script_dirent, *lang_dirent;
2943         char scripts_path[MAXPATHLEN];
2944         DIR *scripts_dir, *lang_dir;
2945         char script_path[MAXPATHLEN];
2946         char lang_path[MAXPATHLEN];
2947         struct script_desc *desc;
2948         char first_half[BUFSIZ];
2949         char *script_root;
2950
2951         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2952
2953         scripts_dir = opendir(scripts_path);
2954         if (!scripts_dir) {
2955                 fprintf(stdout,
2956                         "open(%s) failed.\n"
2957                         "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
2958                         scripts_path);
2959                 exit(-1);
2960         }
2961
2962         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2963                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
2964                           lang_dirent->d_name);
2965                 lang_dir = opendir(lang_path);
2966                 if (!lang_dir)
2967                         continue;
2968
2969                 for_each_script(lang_path, lang_dir, script_dirent) {
2970                         script_root = get_script_root(script_dirent, REPORT_SUFFIX);
2971                         if (script_root) {
2972                                 desc = script_desc__findnew(script_root);
2973                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
2974                                           lang_path, script_dirent->d_name);
2975                                 read_script_info(desc, script_path);
2976                                 free(script_root);
2977                         }
2978                 }
2979         }
2980
2981         fprintf(stdout, "List of available trace scripts:\n");
2982         list_for_each_entry(desc, &script_descs, node) {
2983                 sprintf(first_half, "%s %s", desc->name,
2984                         desc->args ? desc->args : "");
2985                 fprintf(stdout, "  %-36s %s\n", first_half,
2986                         desc->half_liner ? desc->half_liner : "");
2987         }
2988
2989         exit(0);
2990 }
2991
2992 /*
2993  * Some scripts specify the required events in their "xxx-record" file,
2994  * this function will check if the events in perf.data match those
2995  * mentioned in the "xxx-record".
2996  *
2997  * Fixme: All existing "xxx-record" are all in good formats "-e event ",
2998  * which is covered well now. And new parsing code should be added to
2999  * cover the future complexing formats like event groups etc.
3000  */
3001 static int check_ev_match(char *dir_name, char *scriptname,
3002                         struct perf_session *session)
3003 {
3004         char filename[MAXPATHLEN], evname[128];
3005         char line[BUFSIZ], *p;
3006         struct perf_evsel *pos;
3007         int match, len;
3008         FILE *fp;
3009
3010         scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
3011
3012         fp = fopen(filename, "r");
3013         if (!fp)
3014                 return -1;
3015
3016         while (fgets(line, sizeof(line), fp)) {
3017                 p = skip_spaces(line);
3018                 if (*p == '#')
3019                         continue;
3020
3021                 while (strlen(p)) {
3022                         p = strstr(p, "-e");
3023                         if (!p)
3024                                 break;
3025
3026                         p += 2;
3027                         p = skip_spaces(p);
3028                         len = strcspn(p, " \t");
3029                         if (!len)
3030                                 break;
3031
3032                         snprintf(evname, len + 1, "%s", p);
3033
3034                         match = 0;
3035                         evlist__for_each_entry(session->evlist, pos) {
3036                                 if (!strcmp(perf_evsel__name(pos), evname)) {
3037                                         match = 1;
3038                                         break;
3039                                 }
3040                         }
3041
3042                         if (!match) {
3043                                 fclose(fp);
3044                                 return -1;
3045                         }
3046                 }
3047         }
3048
3049         fclose(fp);
3050         return 0;
3051 }
3052
3053 /*
3054  * Return -1 if none is found, otherwise the actual scripts number.
3055  *
3056  * Currently the only user of this function is the script browser, which
3057  * will list all statically runnable scripts, select one, execute it and
3058  * show the output in a perf browser.
3059  */
3060 int find_scripts(char **scripts_array, char **scripts_path_array, int num,
3061                  int pathlen)
3062 {
3063         struct dirent *script_dirent, *lang_dirent;
3064         char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
3065         DIR *scripts_dir, *lang_dir;
3066         struct perf_session *session;
3067         struct perf_data data = {
3068                 .path = input_name,
3069                 .mode = PERF_DATA_MODE_READ,
3070         };
3071         char *temp;
3072         int i = 0;
3073
3074         session = perf_session__new(&data, false, NULL);
3075         if (!session)
3076                 return -1;
3077
3078         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3079
3080         scripts_dir = opendir(scripts_path);
3081         if (!scripts_dir) {
3082                 perf_session__delete(session);
3083                 return -1;
3084         }
3085
3086         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3087                 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
3088                           lang_dirent->d_name);
3089 #ifndef HAVE_LIBPERL_SUPPORT
3090                 if (strstr(lang_path, "perl"))
3091                         continue;
3092 #endif
3093 #ifndef HAVE_LIBPYTHON_SUPPORT
3094                 if (strstr(lang_path, "python"))
3095                         continue;
3096 #endif
3097
3098                 lang_dir = opendir(lang_path);
3099                 if (!lang_dir)
3100                         continue;
3101
3102                 for_each_script(lang_path, lang_dir, script_dirent) {
3103                         /* Skip those real time scripts: xxxtop.p[yl] */
3104                         if (strstr(script_dirent->d_name, "top."))
3105                                 continue;
3106                         if (i >= num)
3107                                 break;
3108                         snprintf(scripts_path_array[i], pathlen, "%s/%s",
3109                                 lang_path,
3110                                 script_dirent->d_name);
3111                         temp = strchr(script_dirent->d_name, '.');
3112                         snprintf(scripts_array[i],
3113                                 (temp - script_dirent->d_name) + 1,
3114                                 "%s", script_dirent->d_name);
3115
3116                         if (check_ev_match(lang_path,
3117                                         scripts_array[i], session))
3118                                 continue;
3119
3120                         i++;
3121                 }
3122                 closedir(lang_dir);
3123         }
3124
3125         closedir(scripts_dir);
3126         perf_session__delete(session);
3127         return i;
3128 }
3129
3130 static char *get_script_path(const char *script_root, const char *suffix)
3131 {
3132         struct dirent *script_dirent, *lang_dirent;
3133         char scripts_path[MAXPATHLEN];
3134         char script_path[MAXPATHLEN];
3135         DIR *scripts_dir, *lang_dir;
3136         char lang_path[MAXPATHLEN];
3137         char *__script_root;
3138
3139         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3140
3141         scripts_dir = opendir(scripts_path);
3142         if (!scripts_dir)
3143                 return NULL;
3144
3145         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3146                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3147                           lang_dirent->d_name);
3148                 lang_dir = opendir(lang_path);
3149                 if (!lang_dir)
3150                         continue;
3151
3152                 for_each_script(lang_path, lang_dir, script_dirent) {
3153                         __script_root = get_script_root(script_dirent, suffix);
3154                         if (__script_root && !strcmp(script_root, __script_root)) {
3155                                 free(__script_root);
3156                                 closedir(lang_dir);
3157                                 closedir(scripts_dir);
3158                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3159                                           lang_path, script_dirent->d_name);
3160                                 return strdup(script_path);
3161                         }
3162                         free(__script_root);
3163                 }
3164                 closedir(lang_dir);
3165         }
3166         closedir(scripts_dir);
3167
3168         return NULL;
3169 }
3170
3171 static bool is_top_script(const char *script_path)
3172 {
3173         return ends_with(script_path, "top") == NULL ? false : true;
3174 }
3175
3176 static int has_required_arg(char *script_path)
3177 {
3178         struct script_desc *desc;
3179         int n_args = 0;
3180         char *p;
3181
3182         desc = script_desc__new(NULL);
3183
3184         if (read_script_info(desc, script_path))
3185                 goto out;
3186
3187         if (!desc->args)
3188                 goto out;
3189
3190         for (p = desc->args; *p; p++)
3191                 if (*p == '<')
3192                         n_args++;
3193 out:
3194         script_desc__delete(desc);
3195
3196         return n_args;
3197 }
3198
3199 static int have_cmd(int argc, const char **argv)
3200 {
3201         char **__argv = malloc(sizeof(const char *) * argc);
3202
3203         if (!__argv) {
3204                 pr_err("malloc failed\n");
3205                 return -1;
3206         }
3207
3208         memcpy(__argv, argv, sizeof(const char *) * argc);
3209         argc = parse_options(argc, (const char **)__argv, record_options,
3210                              NULL, PARSE_OPT_STOP_AT_NON_OPTION);
3211         free(__argv);
3212
3213         system_wide = (argc == 0);
3214
3215         return 0;
3216 }
3217
3218 static void script__setup_sample_type(struct perf_script *script)
3219 {
3220         struct perf_session *session = script->session;
3221         u64 sample_type = perf_evlist__combined_sample_type(session->evlist);
3222
3223         if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
3224                 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
3225                     (sample_type & PERF_SAMPLE_STACK_USER)) {
3226                         callchain_param.record_mode = CALLCHAIN_DWARF;
3227                         dwarf_callchain_users = true;
3228                 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
3229                         callchain_param.record_mode = CALLCHAIN_LBR;
3230                 else
3231                         callchain_param.record_mode = CALLCHAIN_FP;
3232         }
3233 }
3234
3235 static int process_stat_round_event(struct perf_session *session,
3236                                     union perf_event *event)
3237 {
3238         struct stat_round_event *round = &event->stat_round;
3239         struct perf_evsel *counter;
3240
3241         evlist__for_each_entry(session->evlist, counter) {
3242                 perf_stat_process_counter(&stat_config, counter);
3243                 process_stat(counter, round->time);
3244         }
3245
3246         process_stat_interval(round->time);
3247         return 0;
3248 }
3249
3250 static int process_stat_config_event(struct perf_session *session __maybe_unused,
3251                                      union perf_event *event)
3252 {
3253         perf_event__read_stat_config(&stat_config, &event->stat_config);
3254         return 0;
3255 }
3256
3257 static int set_maps(struct perf_script *script)
3258 {
3259         struct perf_evlist *evlist = script->session->evlist;
3260
3261         if (!script->cpus || !script->threads)
3262                 return 0;
3263
3264         if (WARN_ONCE(script->allocated, "stats double allocation\n"))
3265                 return -EINVAL;
3266
3267         perf_evlist__set_maps(evlist, script->cpus, script->threads);
3268
3269         if (perf_evlist__alloc_stats(evlist, true))
3270                 return -ENOMEM;
3271
3272         script->allocated = true;
3273         return 0;
3274 }
3275
3276 static
3277 int process_thread_map_event(struct perf_session *session,
3278                              union perf_event *event)
3279 {
3280         struct perf_tool *tool = session->tool;
3281         struct perf_script *script = container_of(tool, struct perf_script, tool);
3282
3283         if (script->threads) {
3284                 pr_warning("Extra thread map event, ignoring.\n");
3285                 return 0;
3286         }
3287
3288         script->threads = thread_map__new_event(&event->thread_map);
3289         if (!script->threads)
3290                 return -ENOMEM;
3291
3292         return set_maps(script);
3293 }
3294
3295 static
3296 int process_cpu_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->cpus) {
3303                 pr_warning("Extra cpu map event, ignoring.\n");
3304                 return 0;
3305         }
3306
3307         script->cpus = cpu_map__new_data(&event->cpu_map.data);
3308         if (!script->cpus)
3309                 return -ENOMEM;
3310
3311         return set_maps(script);
3312 }
3313
3314 static int process_feature_event(struct perf_session *session,
3315                                  union perf_event *event)
3316 {
3317         if (event->feat.feat_id < HEADER_LAST_FEATURE)
3318                 return perf_event__process_feature(session, event);
3319         return 0;
3320 }
3321
3322 #ifdef HAVE_AUXTRACE_SUPPORT
3323 static int perf_script__process_auxtrace_info(struct perf_session *session,
3324                                               union perf_event *event)
3325 {
3326         struct perf_tool *tool = session->tool;
3327
3328         int ret = perf_event__process_auxtrace_info(session, event);
3329
3330         if (ret == 0) {
3331                 struct perf_script *script = container_of(tool, struct perf_script, tool);
3332
3333                 ret = perf_script__setup_per_event_dump(script);
3334         }
3335
3336         return ret;
3337 }
3338 #else
3339 #define perf_script__process_auxtrace_info 0
3340 #endif
3341
3342 static int parse_insn_trace(const struct option *opt __maybe_unused,
3343                             const char *str __maybe_unused,
3344                             int unset __maybe_unused)
3345 {
3346         parse_output_fields(NULL, "+insn,-event,-period", 0);
3347         itrace_parse_synth_opts(opt, "i0ns", 0);
3348         symbol_conf.nanosecs = true;
3349         return 0;
3350 }
3351
3352 static int parse_xed(const struct option *opt __maybe_unused,
3353                      const char *str __maybe_unused,
3354                      int unset __maybe_unused)
3355 {
3356         force_pager("xed -F insn: -A -64 | less");
3357         return 0;
3358 }
3359
3360 static int parse_call_trace(const struct option *opt __maybe_unused,
3361                             const char *str __maybe_unused,
3362                             int unset __maybe_unused)
3363 {
3364         parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
3365         itrace_parse_synth_opts(opt, "cewp", 0);
3366         symbol_conf.nanosecs = true;
3367         symbol_conf.pad_output_len_dso = 50;
3368         return 0;
3369 }
3370
3371 static int parse_callret_trace(const struct option *opt __maybe_unused,
3372                             const char *str __maybe_unused,
3373                             int unset __maybe_unused)
3374 {
3375         parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
3376         itrace_parse_synth_opts(opt, "crewp", 0);
3377         symbol_conf.nanosecs = true;
3378         return 0;
3379 }
3380
3381 int cmd_script(int argc, const char **argv)
3382 {
3383         bool show_full_info = false;
3384         bool header = false;
3385         bool header_only = false;
3386         bool script_started = false;
3387         char *rec_script_path = NULL;
3388         char *rep_script_path = NULL;
3389         struct perf_session *session;
3390         struct itrace_synth_opts itrace_synth_opts = {
3391                 .set = false,
3392                 .default_no_sample = true,
3393         };
3394         struct utsname uts;
3395         char *script_path = NULL;
3396         const char **__argv;
3397         int i, j, err = 0;
3398         struct perf_script script = {
3399                 .tool = {
3400                         .sample          = process_sample_event,
3401                         .mmap            = perf_event__process_mmap,
3402                         .mmap2           = perf_event__process_mmap2,
3403                         .comm            = perf_event__process_comm,
3404                         .namespaces      = perf_event__process_namespaces,
3405                         .exit            = perf_event__process_exit,
3406                         .fork            = perf_event__process_fork,
3407                         .attr            = process_attr,
3408                         .event_update   = perf_event__process_event_update,
3409                         .tracing_data    = perf_event__process_tracing_data,
3410                         .feature         = process_feature_event,
3411                         .build_id        = perf_event__process_build_id,
3412                         .id_index        = perf_event__process_id_index,
3413                         .auxtrace_info   = perf_script__process_auxtrace_info,
3414                         .auxtrace        = perf_event__process_auxtrace,
3415                         .auxtrace_error  = perf_event__process_auxtrace_error,
3416                         .stat            = perf_event__process_stat_event,
3417                         .stat_round      = process_stat_round_event,
3418                         .stat_config     = process_stat_config_event,
3419                         .thread_map      = process_thread_map_event,
3420                         .cpu_map         = process_cpu_map_event,
3421                         .ordered_events  = true,
3422                         .ordering_requires_timestamps = true,
3423                 },
3424         };
3425         struct perf_data data = {
3426                 .mode = PERF_DATA_MODE_READ,
3427         };
3428         const struct option options[] = {
3429         OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3430                     "dump raw trace in ASCII"),
3431         OPT_INCR('v', "verbose", &verbose,
3432                  "be more verbose (show symbol address, etc)"),
3433         OPT_BOOLEAN('L', "Latency", &latency_format,
3434                     "show latency attributes (irqs/preemption disabled, etc)"),
3435         OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3436                            list_available_scripts),
3437         OPT_CALLBACK('s', "script", NULL, "name",
3438                      "script file name (lang:script name, script name, or *)",
3439                      parse_scriptname),
3440         OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3441                    "generate perf-script.xx script in specified language"),
3442         OPT_STRING('i', "input", &input_name, "file", "input file name"),
3443         OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3444                    "do various checks like samples ordering and lost events"),
3445         OPT_BOOLEAN(0, "header", &header, "Show data header."),
3446         OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3447         OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3448                    "file", "vmlinux pathname"),
3449         OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3450                    "file", "kallsyms pathname"),
3451         OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3452                     "When printing symbols do not display call chain"),
3453         OPT_CALLBACK(0, "symfs", NULL, "directory",
3454                      "Look for files with symbols relative to this directory",
3455                      symbol__config_symfs),
3456         OPT_CALLBACK('F', "fields", NULL, "str",
3457                      "comma separated output fields prepend with 'type:'. "
3458                      "+field to add and -field to remove."
3459                      "Valid types: hw,sw,trace,raw,synth. "
3460                      "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
3461                      "addr,symoff,srcline,period,iregs,uregs,brstack,"
3462                      "brstacksym,flags,bpf-output,brstackinsn,brstackoff,"
3463                      "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc",
3464                      parse_output_fields),
3465         OPT_BOOLEAN('a', "all-cpus", &system_wide,
3466                     "system-wide collection from all CPUs"),
3467         OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3468                    "only consider these symbols"),
3469         OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL,
3470                         "Decode instructions from itrace", parse_insn_trace),
3471         OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
3472                         "Run xed disassembler on output", parse_xed),
3473         OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
3474                         "Decode calls from from itrace", parse_call_trace),
3475         OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
3476                         "Decode calls and returns from itrace", parse_callret_trace),
3477         OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",
3478                         "Only print symbols and callees with --call-trace/--call-ret-trace"),
3479         OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3480                    "Stop display of callgraph at these symbols"),
3481         OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3482         OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3483                    "only display events for these comms"),
3484         OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3485                    "only consider symbols in these pids"),
3486         OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3487                    "only consider symbols in these tids"),
3488         OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3489                      "Set the maximum stack depth when parsing the callchain, "
3490                      "anything beyond the specified depth will be ignored. "
3491                      "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3492         OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"),
3493         OPT_BOOLEAN('I', "show-info", &show_full_info,
3494                     "display extended information from perf.data file"),
3495         OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3496                     "Show the path of [kernel.kallsyms]"),
3497         OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3498                     "Show the fork/comm/exit events"),
3499         OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3500                     "Show the mmap events"),
3501         OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3502                     "Show context switch events (if recorded)"),
3503         OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3504                     "Show namespace events (if recorded)"),
3505         OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3506                     "Show lost events (if recorded)"),
3507         OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3508                     "Show round events (if recorded)"),
3509         OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events,
3510                     "Show bpf related events (if recorded)"),
3511         OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
3512                     "Dump trace output to files named by the monitored events"),
3513         OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3514         OPT_INTEGER(0, "max-blocks", &max_blocks,
3515                     "Maximum number of code blocks to dump with brstackinsn"),
3516         OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs,
3517                     "Use 9 decimal places when displaying time"),
3518         OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
3519                             "Instruction Tracing options\n" ITRACE_HELP,
3520                             itrace_parse_synth_opts),
3521         OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
3522                         "Show full source file name path for source lines"),
3523         OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
3524                         "Enable symbol demangling"),
3525         OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
3526                         "Enable kernel symbol demangling"),
3527         OPT_STRING(0, "time", &script.time_str, "str",
3528                    "Time span of interest (start,stop)"),
3529         OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
3530                     "Show inline function"),
3531         OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
3532                    "guest mount directory under which every guest os"
3533                    " instance has a subdir"),
3534         OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name,
3535                    "file", "file saving guest os vmlinux"),
3536         OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms,
3537                    "file", "file saving guest os /proc/kallsyms"),
3538         OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
3539                    "file", "file saving guest os /proc/modules"),
3540         OPT_END()
3541         };
3542         const char * const script_subcommands[] = { "record", "report", NULL };
3543         const char *script_usage[] = {
3544                 "perf script [<options>]",
3545                 "perf script [<options>] record <script> [<record-options>] <command>",
3546                 "perf script [<options>] report <script> [script-args]",
3547                 "perf script [<options>] <script> [<record-options>] <command>",
3548                 "perf script [<options>] <top-script> [script-args]",
3549                 NULL
3550         };
3551
3552         perf_set_singlethreaded();
3553
3554         setup_scripting();
3555
3556         argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3557                              PARSE_OPT_STOP_AT_NON_OPTION);
3558
3559         if (symbol_conf.guestmount ||
3560             symbol_conf.default_guest_vmlinux_name ||
3561             symbol_conf.default_guest_kallsyms ||
3562             symbol_conf.default_guest_modules) {
3563                 /*
3564                  * Enable guest sample processing.
3565                  */
3566                 perf_guest = true;
3567         }
3568
3569         data.path  = input_name;
3570         data.force = symbol_conf.force;
3571
3572         if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
3573                 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
3574                 if (!rec_script_path)
3575                         return cmd_record(argc, argv);
3576         }
3577
3578         if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
3579                 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
3580                 if (!rep_script_path) {
3581                         fprintf(stderr,
3582                                 "Please specify a valid report script"
3583                                 "(see 'perf script -l' for listing)\n");
3584                         return -1;
3585                 }
3586         }
3587
3588         if (script.time_str && reltime) {
3589                 fprintf(stderr, "Don't combine --reltime with --time\n");
3590                 return -1;
3591         }
3592
3593         if (itrace_synth_opts.callchain &&
3594             itrace_synth_opts.callchain_sz > scripting_max_stack)
3595                 scripting_max_stack = itrace_synth_opts.callchain_sz;
3596
3597         /* make sure PERF_EXEC_PATH is set for scripts */
3598         set_argv_exec_path(get_argv_exec_path());
3599
3600         if (argc && !script_name && !rec_script_path && !rep_script_path) {
3601                 int live_pipe[2];
3602                 int rep_args;
3603                 pid_t pid;
3604
3605                 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
3606                 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
3607
3608                 if (!rec_script_path && !rep_script_path) {
3609                         usage_with_options_msg(script_usage, options,
3610                                 "Couldn't find script `%s'\n\n See perf"
3611                                 " script -l for available scripts.\n", argv[0]);
3612                 }
3613
3614                 if (is_top_script(argv[0])) {
3615                         rep_args = argc - 1;
3616                 } else {
3617                         int rec_args;
3618
3619                         rep_args = has_required_arg(rep_script_path);
3620                         rec_args = (argc - 1) - rep_args;
3621                         if (rec_args < 0) {
3622                                 usage_with_options_msg(script_usage, options,
3623                                         "`%s' script requires options."
3624                                         "\n\n See perf script -l for available "
3625                                         "scripts and options.\n", argv[0]);
3626                         }
3627                 }
3628
3629                 if (pipe(live_pipe) < 0) {
3630                         perror("failed to create pipe");
3631                         return -1;
3632                 }
3633
3634                 pid = fork();
3635                 if (pid < 0) {
3636                         perror("failed to fork");
3637                         return -1;
3638                 }
3639
3640                 if (!pid) {
3641                         j = 0;
3642
3643                         dup2(live_pipe[1], 1);
3644                         close(live_pipe[0]);
3645
3646                         if (is_top_script(argv[0])) {
3647                                 system_wide = true;
3648                         } else if (!system_wide) {
3649                                 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
3650                                         err = -1;
3651                                         goto out;
3652                                 }
3653                         }
3654
3655                         __argv = malloc((argc + 6) * sizeof(const char *));
3656                         if (!__argv) {
3657                                 pr_err("malloc failed\n");
3658                                 err = -ENOMEM;
3659                                 goto out;
3660                         }
3661
3662                         __argv[j++] = "/bin/sh";
3663                         __argv[j++] = rec_script_path;
3664                         if (system_wide)
3665                                 __argv[j++] = "-a";
3666                         __argv[j++] = "-q";
3667                         __argv[j++] = "-o";
3668                         __argv[j++] = "-";
3669                         for (i = rep_args + 1; i < argc; i++)
3670                                 __argv[j++] = argv[i];
3671                         __argv[j++] = NULL;
3672
3673                         execvp("/bin/sh", (char **)__argv);
3674                         free(__argv);
3675                         exit(-1);
3676                 }
3677
3678                 dup2(live_pipe[0], 0);
3679                 close(live_pipe[1]);
3680
3681                 __argv = malloc((argc + 4) * sizeof(const char *));
3682                 if (!__argv) {
3683                         pr_err("malloc failed\n");
3684                         err = -ENOMEM;
3685                         goto out;
3686                 }
3687
3688                 j = 0;
3689                 __argv[j++] = "/bin/sh";
3690                 __argv[j++] = rep_script_path;
3691                 for (i = 1; i < rep_args + 1; i++)
3692                         __argv[j++] = argv[i];
3693                 __argv[j++] = "-i";
3694                 __argv[j++] = "-";
3695                 __argv[j++] = NULL;
3696
3697                 execvp("/bin/sh", (char **)__argv);
3698                 free(__argv);
3699                 exit(-1);
3700         }
3701
3702         if (rec_script_path)
3703                 script_path = rec_script_path;
3704         if (rep_script_path)
3705                 script_path = rep_script_path;
3706
3707         if (script_path) {
3708                 j = 0;
3709
3710                 if (!rec_script_path)
3711                         system_wide = false;
3712                 else if (!system_wide) {
3713                         if (have_cmd(argc - 1, &argv[1]) != 0) {
3714                                 err = -1;
3715                                 goto out;
3716                         }
3717                 }
3718
3719                 __argv = malloc((argc + 2) * sizeof(const char *));
3720                 if (!__argv) {
3721                         pr_err("malloc failed\n");
3722                         err = -ENOMEM;
3723                         goto out;
3724                 }
3725
3726                 __argv[j++] = "/bin/sh";
3727                 __argv[j++] = script_path;
3728                 if (system_wide)
3729                         __argv[j++] = "-a";
3730                 for (i = 2; i < argc; i++)
3731                         __argv[j++] = argv[i];
3732                 __argv[j++] = NULL;
3733
3734                 execvp("/bin/sh", (char **)__argv);
3735                 free(__argv);
3736                 exit(-1);
3737         }
3738
3739         if (!script_name) {
3740                 setup_pager();
3741                 use_browser = 0;
3742         }
3743
3744         session = perf_session__new(&data, false, &script.tool);
3745         if (session == NULL)
3746                 return -1;
3747
3748         if (header || header_only) {
3749                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
3750                 perf_session__fprintf_info(session, stdout, show_full_info);
3751                 if (header_only)
3752                         goto out_delete;
3753         }
3754         if (show_full_info)
3755                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
3756
3757         if (symbol__init(&session->header.env) < 0)
3758                 goto out_delete;
3759
3760         uname(&uts);
3761         if (data.is_pipe ||  /* assume pipe_mode indicates native_arch */
3762             !strcmp(uts.machine, session->header.env.arch) ||
3763             (!strcmp(uts.machine, "x86_64") &&
3764              !strcmp(session->header.env.arch, "i386")))
3765                 native_arch = true;
3766
3767         script.session = session;
3768         script__setup_sample_type(&script);
3769
3770         if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) ||
3771             symbol_conf.graph_function)
3772                 itrace_synth_opts.thread_stack = true;
3773
3774         session->itrace_synth_opts = &itrace_synth_opts;
3775
3776         if (cpu_list) {
3777                 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
3778                 if (err < 0)
3779                         goto out_delete;
3780                 itrace_synth_opts.cpu_bitmap = cpu_bitmap;
3781         }
3782
3783         if (!no_callchain)
3784                 symbol_conf.use_callchain = true;
3785         else
3786                 symbol_conf.use_callchain = false;
3787
3788         if (session->tevent.pevent &&
3789             tep_set_function_resolver(session->tevent.pevent,
3790                                       machine__resolve_kernel_addr,
3791                                       &session->machines.host) < 0) {
3792                 pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
3793                 err = -1;
3794                 goto out_delete;
3795         }
3796
3797         if (generate_script_lang) {
3798                 struct stat perf_stat;
3799                 int input;
3800
3801                 if (output_set_by_user()) {
3802                         fprintf(stderr,
3803                                 "custom fields not supported for generated scripts");
3804                         err = -EINVAL;
3805                         goto out_delete;
3806                 }
3807
3808                 input = open(data.path, O_RDONLY);      /* input_name */
3809                 if (input < 0) {
3810                         err = -errno;
3811                         perror("failed to open file");
3812                         goto out_delete;
3813                 }
3814
3815                 err = fstat(input, &perf_stat);
3816                 if (err < 0) {
3817                         perror("failed to stat file");
3818                         goto out_delete;
3819                 }
3820
3821                 if (!perf_stat.st_size) {
3822                         fprintf(stderr, "zero-sized file, nothing to do!\n");
3823                         goto out_delete;
3824                 }
3825
3826                 scripting_ops = script_spec__lookup(generate_script_lang);
3827                 if (!scripting_ops) {
3828                         fprintf(stderr, "invalid language specifier");
3829                         err = -ENOENT;
3830                         goto out_delete;
3831                 }
3832
3833                 err = scripting_ops->generate_script(session->tevent.pevent,
3834                                                      "perf-script");
3835                 goto out_delete;
3836         }
3837
3838         if (script_name) {
3839                 err = scripting_ops->start_script(script_name, argc, argv);
3840                 if (err)
3841                         goto out_delete;
3842                 pr_debug("perf script started with script %s\n\n", script_name);
3843                 script_started = true;
3844         }
3845
3846
3847         err = perf_session__check_output_opt(session);
3848         if (err < 0)
3849                 goto out_delete;
3850
3851         if (script.time_str) {
3852                 err = perf_time__parse_for_ranges(script.time_str, session,
3853                                                   &script.ptime_range,
3854                                                   &script.range_size,
3855                                                   &script.range_num);
3856                 if (err < 0)
3857                         goto out_delete;
3858
3859                 itrace_synth_opts__set_time_range(&itrace_synth_opts,
3860                                                   script.ptime_range,
3861                                                   script.range_num);
3862         }
3863
3864         err = __cmd_script(&script);
3865
3866         flush_scripting();
3867
3868 out_delete:
3869         if (script.ptime_range) {
3870                 itrace_synth_opts__clear_time_range(&itrace_synth_opts);
3871                 zfree(&script.ptime_range);
3872         }
3873
3874         perf_evlist__free_stats(session->evlist);
3875         perf_session__delete(session);
3876
3877         if (script_started)
3878                 cleanup_scripting();
3879 out:
3880         return err;
3881 }