tools/perf/builtin-script.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include "builtin.h"
   3
   4 #include "util/counts.h"
   5 #include "util/debug.h"
   6 #include "util/dso.h"
   7 #include <subcmd/exec-cmd.h>
   8 #include "util/header.h"
   9 #include <subcmd/parse-options.h>
  10 #include "util/perf_regs.h"
  11 #include "util/session.h"
  12 #include "util/tool.h"
  13 #include "util/map.h"
  14 #include "util/srcline.h"
  15 #include "util/symbol.h"
  16 #include "util/thread.h"
  17 #include "util/trace-event.h"
  18 #include "util/env.h"
  19 #include "util/evlist.h"
  20 #include "util/evsel.h"
  21 #include "util/evsel_fprintf.h"
  22 #include "util/evswitch.h"
  23 #include "util/sort.h"
  24 #include "util/data.h"
  25 #include "util/auxtrace.h"
  26 #include "util/cpumap.h"
  27 #include "util/thread_map.h"
  28 #include "util/stat.h"
  29 #include "util/color.h"
  30 #include "util/string2.h"
  31 #include "util/thread-stack.h"
  32 #include "util/time-utils.h"
  33 #include "util/path.h"
  34 #include "util/event.h"
  35 #include "ui/ui.h"
  36 #include "print_binary.h"
  37 #include "print_insn.h"
  38 #include "archinsn.h"
  39 #include <linux/bitmap.h>
  40 #include <linux/kernel.h>
  41 #include <linux/stringify.h>
  42 #include <linux/time64.h>
  43 #include <linux/zalloc.h>
  44 #include <sys/utsname.h>
  45 #include "asm/bug.h"
  46 #include "util/mem-events.h"
  47 #include "util/dump-insn.h"
  48 #include <dirent.h>
  49 #include <errno.h>
  50 #include <inttypes.h>
  51 #include <signal.h>
  52 #include <sys/param.h>
  53 #include <sys/types.h>
  54 #include <sys/stat.h>
  55 #include <fcntl.h>
  56 #include <unistd.h>
  57 #include <subcmd/pager.h>
  58 #include <perf/evlist.h>
  59 #include <linux/err.h>
  60 #include "util/dlfilter.h"
  61 #include "util/record.h"
  62 #include "util/util.h"
  63 #include "util/cgroup.h"
  64 #include "perf.h"
  65
  66 #include <linux/ctype.h>
  67 #ifdef HAVE_LIBTRACEEVENT
  68 #include <traceevent/event-parse.h>
  69 #endif
  70
  71 static char const               *script_name;
  72 static char const               *generate_script_lang;
  73 static bool                     reltime;
  74 static bool                     deltatime;
  75 static u64                      initial_time;
  76 static u64                      previous_time;
  77 static bool                     debug_mode;
  78 static u64                      last_timestamp;
  79 static u64                      nr_unordered;
  80 static bool                     no_callchain;
  81 static bool                     latency_format;
  82 static bool                     system_wide;
  83 static bool                     print_flags;
  84 static const char               *cpu_list;
  85 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
  86 static struct perf_stat_config  stat_config;
  87 static int                      max_blocks;
  88 static bool                     native_arch;
  89 static struct dlfilter          *dlfilter;
  90 static int                      dlargc;
  91 static char                     **dlargv;
  92
  93 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
  94
  95 enum perf_output_field {
  96         PERF_OUTPUT_COMM            = 1ULL << 0,
  97         PERF_OUTPUT_TID             = 1ULL << 1,
  98         PERF_OUTPUT_PID             = 1ULL << 2,
  99         PERF_OUTPUT_TIME            = 1ULL << 3,
 100         PERF_OUTPUT_CPU             = 1ULL << 4,
 101         PERF_OUTPUT_EVNAME          = 1ULL << 5,
 102         PERF_OUTPUT_TRACE           = 1ULL << 6,
 103         PERF_OUTPUT_IP              = 1ULL << 7,
 104         PERF_OUTPUT_SYM             = 1ULL << 8,
 105         PERF_OUTPUT_DSO             = 1ULL << 9,
 106         PERF_OUTPUT_ADDR            = 1ULL << 10,
 107         PERF_OUTPUT_SYMOFFSET       = 1ULL << 11,
 108         PERF_OUTPUT_SRCLINE         = 1ULL << 12,
 109         PERF_OUTPUT_PERIOD          = 1ULL << 13,
 110         PERF_OUTPUT_IREGS           = 1ULL << 14,
 111         PERF_OUTPUT_BRSTACK         = 1ULL << 15,
 112         PERF_OUTPUT_BRSTACKSYM      = 1ULL << 16,
 113         PERF_OUTPUT_DATA_SRC        = 1ULL << 17,
 114         PERF_OUTPUT_WEIGHT          = 1ULL << 18,
 115         PERF_OUTPUT_BPF_OUTPUT      = 1ULL << 19,
 116         PERF_OUTPUT_CALLINDENT      = 1ULL << 20,
 117         PERF_OUTPUT_INSN            = 1ULL << 21,
 118         PERF_OUTPUT_INSNLEN         = 1ULL << 22,
 119         PERF_OUTPUT_BRSTACKINSN     = 1ULL << 23,
 120         PERF_OUTPUT_BRSTACKOFF      = 1ULL << 24,
 121         PERF_OUTPUT_SYNTH           = 1ULL << 25,
 122         PERF_OUTPUT_PHYS_ADDR       = 1ULL << 26,
 123         PERF_OUTPUT_UREGS           = 1ULL << 27,
 124         PERF_OUTPUT_METRIC          = 1ULL << 28,
 125         PERF_OUTPUT_MISC            = 1ULL << 29,
 126         PERF_OUTPUT_SRCCODE         = 1ULL << 30,
 127         PERF_OUTPUT_IPC             = 1ULL << 31,
 128         PERF_OUTPUT_TOD             = 1ULL << 32,
 129         PERF_OUTPUT_DATA_PAGE_SIZE  = 1ULL << 33,
 130         PERF_OUTPUT_CODE_PAGE_SIZE  = 1ULL << 34,
 131         PERF_OUTPUT_INS_LAT         = 1ULL << 35,
 132         PERF_OUTPUT_BRSTACKINSNLEN  = 1ULL << 36,
 133         PERF_OUTPUT_MACHINE_PID     = 1ULL << 37,
 134         PERF_OUTPUT_VCPU            = 1ULL << 38,
 135         PERF_OUTPUT_CGROUP          = 1ULL << 39,
 136         PERF_OUTPUT_RETIRE_LAT      = 1ULL << 40,
 137         PERF_OUTPUT_DSOFF           = 1ULL << 41,
 138         PERF_OUTPUT_DISASM          = 1ULL << 42,
 139 };
 140
 141 struct perf_script {
 142         struct perf_tool        tool;
 143         struct perf_session     *session;
 144         bool                    show_task_events;
 145         bool                    show_mmap_events;
 146         bool                    show_switch_events;
 147         bool                    show_namespace_events;
 148         bool                    show_lost_events;
 149         bool                    show_round_events;
 150         bool                    show_bpf_events;
 151         bool                    show_cgroup_events;
 152         bool                    show_text_poke_events;
 153         bool                    allocated;
 154         bool                    per_event_dump;
 155         bool                    stitch_lbr;
 156         struct evswitch         evswitch;
 157         struct perf_cpu_map     *cpus;
 158         struct perf_thread_map *threads;
 159         int                     name_width;
 160         const char              *time_str;
 161         struct perf_time_interval *ptime_range;
 162         int                     range_size;
 163         int                     range_num;
 164 };
 165
 166 struct output_option {
 167         const char *str;
 168         enum perf_output_field field;
 169 } all_output_options[] = {
 170         {.str = "comm",  .field = PERF_OUTPUT_COMM},
 171         {.str = "tid",   .field = PERF_OUTPUT_TID},
 172         {.str = "pid",   .field = PERF_OUTPUT_PID},
 173         {.str = "time",  .field = PERF_OUTPUT_TIME},
 174         {.str = "cpu",   .field = PERF_OUTPUT_CPU},
 175         {.str = "event", .field = PERF_OUTPUT_EVNAME},
 176         {.str = "trace", .field = PERF_OUTPUT_TRACE},
 177         {.str = "ip",    .field = PERF_OUTPUT_IP},
 178         {.str = "sym",   .field = PERF_OUTPUT_SYM},
 179         {.str = "dso",   .field = PERF_OUTPUT_DSO},
 180         {.str = "dsoff", .field = PERF_OUTPUT_DSOFF},
 181         {.str = "addr",  .field = PERF_OUTPUT_ADDR},
 182         {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
 183         {.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
 184         {.str = "period", .field = PERF_OUTPUT_PERIOD},
 185         {.str = "iregs", .field = PERF_OUTPUT_IREGS},
 186         {.str = "uregs", .field = PERF_OUTPUT_UREGS},
 187         {.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
 188         {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
 189         {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
 190         {.str = "weight",   .field = PERF_OUTPUT_WEIGHT},
 191         {.str = "bpf-output",   .field = PERF_OUTPUT_BPF_OUTPUT},
 192         {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
 193         {.str = "insn", .field = PERF_OUTPUT_INSN},
 194         {.str = "disasm", .field = PERF_OUTPUT_DISASM},
 195         {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
 196         {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
 197         {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
 198         {.str = "synth", .field = PERF_OUTPUT_SYNTH},
 199         {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
 200         {.str = "metric", .field = PERF_OUTPUT_METRIC},
 201         {.str = "misc", .field = PERF_OUTPUT_MISC},
 202         {.str = "srccode", .field = PERF_OUTPUT_SRCCODE},
 203         {.str = "ipc", .field = PERF_OUTPUT_IPC},
 204         {.str = "tod", .field = PERF_OUTPUT_TOD},
 205         {.str = "data_page_size", .field = PERF_OUTPUT_DATA_PAGE_SIZE},
 206         {.str = "code_page_size", .field = PERF_OUTPUT_CODE_PAGE_SIZE},
 207         {.str = "ins_lat", .field = PERF_OUTPUT_INS_LAT},
 208         {.str = "brstackinsnlen", .field = PERF_OUTPUT_BRSTACKINSNLEN},
 209         {.str = "machine_pid", .field = PERF_OUTPUT_MACHINE_PID},
 210         {.str = "vcpu", .field = PERF_OUTPUT_VCPU},
 211         {.str = "cgroup", .field = PERF_OUTPUT_CGROUP},
 212         {.str = "retire_lat", .field = PERF_OUTPUT_RETIRE_LAT},
 213 };
 214
 215 enum {
 216         OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
 217         OUTPUT_TYPE_OTHER,
 218         OUTPUT_TYPE_MAX
 219 };
 220
 221 /* default set to maintain compatibility with current format */
 222 static struct {
 223         bool user_set;
 224         bool wildcard_set;
 225         unsigned int print_ip_opts;
 226         u64 fields;
 227         u64 invalid_fields;
 228         u64 user_set_fields;
 229         u64 user_unset_fields;
 230 } output[OUTPUT_TYPE_MAX] = {
 231
 232         [PERF_TYPE_HARDWARE] = {
 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_PERIOD,
 240
 241                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 242         },
 243
 244         [PERF_TYPE_SOFTWARE] = {
 245                 .user_set = false,
 246
 247                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 248                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 249                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 250                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 251                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
 252                               PERF_OUTPUT_BPF_OUTPUT,
 253
 254                 .invalid_fields = PERF_OUTPUT_TRACE,
 255         },
 256
 257         [PERF_TYPE_TRACEPOINT] = {
 258                 .user_set = false,
 259
 260                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 261                                   PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 262                                   PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
 263         },
 264
 265         [PERF_TYPE_HW_CACHE] = {
 266                 .user_set = false,
 267
 268                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 269                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 270                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 271                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 272                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 273
 274                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 275         },
 276
 277         [PERF_TYPE_RAW] = {
 278                 .user_set = false,
 279
 280                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 281                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 282                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 283                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 284                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
 285                               PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
 286                               PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR |
 287                               PERF_OUTPUT_DATA_PAGE_SIZE | PERF_OUTPUT_CODE_PAGE_SIZE |
 288                               PERF_OUTPUT_INS_LAT | PERF_OUTPUT_RETIRE_LAT,
 289
 290                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 291         },
 292
 293         [PERF_TYPE_BREAKPOINT] = {
 294                 .user_set = false,
 295
 296                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 297                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 298                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 299                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 300                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 301
 302                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 303         },
 304
 305         [OUTPUT_TYPE_SYNTH] = {
 306                 .user_set = false,
 307
 308                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 309                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 310                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 311                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 312                               PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH,
 313
 314                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 315         },
 316
 317         [OUTPUT_TYPE_OTHER] = {
 318                 .user_set = false,
 319
 320                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 321                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 322                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 323                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 324                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 325
 326                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 327         },
 328 };
 329
 330 struct evsel_script {
 331        char *filename;
 332        FILE *fp;
 333        u64  samples;
 334        /* For metric output */
 335        u64  val;
 336        int  gnum;
 337 };
 338
 339 static inline struct evsel_script *evsel_script(struct evsel *evsel)
 340 {
 341         return (struct evsel_script *)evsel->priv;
 342 }
 343
 344 static struct evsel_script *evsel_script__new(struct evsel *evsel, struct perf_data *data)
 345 {
 346         struct evsel_script *es = zalloc(sizeof(*es));
 347
 348         if (es != NULL) {
 349                 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0)
 350                         goto out_free;
 351                 es->fp = fopen(es->filename, "w");
 352                 if (es->fp == NULL)
 353                         goto out_free_filename;
 354         }
 355
 356         return es;
 357 out_free_filename:
 358         zfree(&es->filename);
 359 out_free:
 360         free(es);
 361         return NULL;
 362 }
 363
 364 static void evsel_script__delete(struct evsel_script *es)
 365 {
 366         zfree(&es->filename);
 367         fclose(es->fp);
 368         es->fp = NULL;
 369         free(es);
 370 }
 371
 372 static int evsel_script__fprintf(struct evsel_script *es, FILE *fp)
 373 {
 374         struct stat st;
 375
 376         fstat(fileno(es->fp), &st);
 377         return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
 378                        st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
 379 }
 380
 381 static inline int output_type(unsigned int type)
 382 {
 383         switch (type) {
 384         case PERF_TYPE_SYNTH:
 385                 return OUTPUT_TYPE_SYNTH;
 386         default:
 387                 if (type < PERF_TYPE_MAX)
 388                         return type;
 389         }
 390
 391         return OUTPUT_TYPE_OTHER;
 392 }
 393
 394 static bool output_set_by_user(void)
 395 {
 396         int j;
 397         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 398                 if (output[j].user_set)
 399                         return true;
 400         }
 401         return false;
 402 }
 403
 404 static const char *output_field2str(enum perf_output_field field)
 405 {
 406         int i, imax = ARRAY_SIZE(all_output_options);
 407         const char *str = "";
 408
 409         for (i = 0; i < imax; ++i) {
 410                 if (all_output_options[i].field == field) {
 411                         str = all_output_options[i].str;
 412                         break;
 413                 }
 414         }
 415         return str;
 416 }
 417
 418 #define PRINT_FIELD(x)  (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
 419
 420 static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
 421                                  enum perf_output_field field, bool allow_user_set)
 422 {
 423         struct perf_event_attr *attr = &evsel->core.attr;
 424         int type = output_type(attr->type);
 425         const char *evname;
 426
 427         if (attr->sample_type & sample_type)
 428                 return 0;
 429
 430         if (output[type].user_set_fields & field) {
 431                 if (allow_user_set)
 432                         return 0;
 433                 evname = evsel__name(evsel);
 434                 pr_err("Samples for '%s' event do not have %s attribute set. "
 435                        "Cannot print '%s' field.\n",
 436                        evname, sample_msg, output_field2str(field));
 437                 return -1;
 438         }
 439
 440         /* user did not ask for it explicitly so remove from the default list */
 441         output[type].fields &= ~field;
 442         evname = evsel__name(evsel);
 443         pr_debug("Samples for '%s' event do not have %s attribute set. "
 444                  "Skipping '%s' field.\n",
 445                  evname, sample_msg, output_field2str(field));
 446
 447         return 0;
 448 }
 449
 450 static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
 451                               enum perf_output_field field)
 452 {
 453         return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false);
 454 }
 455
 456 static int evsel__check_attr(struct evsel *evsel, struct perf_session *session)
 457 {
 458         struct perf_event_attr *attr = &evsel->core.attr;
 459         bool allow_user_set;
 460
 461         if (evsel__is_dummy_event(evsel))
 462                 return 0;
 463
 464         if (perf_header__has_feat(&session->header, HEADER_STAT))
 465                 return 0;
 466
 467         allow_user_set = perf_header__has_feat(&session->header,
 468                                                HEADER_AUXTRACE);
 469
 470         if (PRINT_FIELD(TRACE) &&
 471             !perf_session__has_traces(session, "record -R"))
 472                 return -EINVAL;
 473
 474         if (PRINT_FIELD(IP)) {
 475                 if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP))
 476                         return -EINVAL;
 477         }
 478
 479         if (PRINT_FIELD(ADDR) &&
 480             evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set))
 481                 return -EINVAL;
 482
 483         if (PRINT_FIELD(DATA_SRC) &&
 484             evsel__do_check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC, allow_user_set))
 485                 return -EINVAL;
 486
 487         if (PRINT_FIELD(WEIGHT) &&
 488             evsel__do_check_stype(evsel, PERF_SAMPLE_WEIGHT_TYPE, "WEIGHT", PERF_OUTPUT_WEIGHT, allow_user_set))
 489                 return -EINVAL;
 490
 491         if (PRINT_FIELD(SYM) &&
 492             !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
 493                 pr_err("Display of symbols requested but neither sample IP nor "
 494                            "sample address\navailable. Hence, no addresses to convert "
 495                        "to symbols.\n");
 496                 return -EINVAL;
 497         }
 498         if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
 499                 pr_err("Display of offsets requested but symbol is not"
 500                        "selected.\n");
 501                 return -EINVAL;
 502         }
 503         if (PRINT_FIELD(DSO) &&
 504             !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
 505                 pr_err("Display of DSO requested but no address to convert.\n");
 506                 return -EINVAL;
 507         }
 508         if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) {
 509                 pr_err("Display of source line number requested but sample IP is not\n"
 510                        "selected. Hence, no address to lookup the source line number.\n");
 511                 return -EINVAL;
 512         }
 513         if ((PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN)) && !allow_user_set &&
 514             !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) {
 515                 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
 516                        "Hint: run 'perf record -b ...'\n");
 517                 return -EINVAL;
 518         }
 519         if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
 520             evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID))
 521                 return -EINVAL;
 522
 523         if (PRINT_FIELD(TIME) &&
 524             evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME))
 525                 return -EINVAL;
 526
 527         if (PRINT_FIELD(CPU) &&
 528             evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set))
 529                 return -EINVAL;
 530
 531         if (PRINT_FIELD(IREGS) &&
 532             evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set))
 533                 return -EINVAL;
 534
 535         if (PRINT_FIELD(UREGS) &&
 536             evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS))
 537                 return -EINVAL;
 538
 539         if (PRINT_FIELD(PHYS_ADDR) &&
 540             evsel__do_check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR, allow_user_set))
 541                 return -EINVAL;
 542
 543         if (PRINT_FIELD(DATA_PAGE_SIZE) &&
 544             evsel__check_stype(evsel, PERF_SAMPLE_DATA_PAGE_SIZE, "DATA_PAGE_SIZE", PERF_OUTPUT_DATA_PAGE_SIZE))
 545                 return -EINVAL;
 546
 547         if (PRINT_FIELD(CODE_PAGE_SIZE) &&
 548             evsel__check_stype(evsel, PERF_SAMPLE_CODE_PAGE_SIZE, "CODE_PAGE_SIZE", PERF_OUTPUT_CODE_PAGE_SIZE))
 549                 return -EINVAL;
 550
 551         if (PRINT_FIELD(INS_LAT) &&
 552             evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_INS_LAT))
 553                 return -EINVAL;
 554
 555         if (PRINT_FIELD(CGROUP) &&
 556             evsel__check_stype(evsel, PERF_SAMPLE_CGROUP, "CGROUP", PERF_OUTPUT_CGROUP)) {
 557                 pr_err("Hint: run 'perf record --all-cgroups ...'\n");
 558                 return -EINVAL;
 559         }
 560
 561         if (PRINT_FIELD(RETIRE_LAT) &&
 562             evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_RETIRE_LAT))
 563                 return -EINVAL;
 564
 565         return 0;
 566 }
 567
 568 static void set_print_ip_opts(struct perf_event_attr *attr)
 569 {
 570         unsigned int type = output_type(attr->type);
 571
 572         output[type].print_ip_opts = 0;
 573         if (PRINT_FIELD(IP))
 574                 output[type].print_ip_opts |= EVSEL__PRINT_IP;
 575
 576         if (PRINT_FIELD(SYM))
 577                 output[type].print_ip_opts |= EVSEL__PRINT_SYM;
 578
 579         if (PRINT_FIELD(DSO))
 580                 output[type].print_ip_opts |= EVSEL__PRINT_DSO;
 581
 582         if (PRINT_FIELD(DSOFF))
 583                 output[type].print_ip_opts |= EVSEL__PRINT_DSOFF;
 584
 585         if (PRINT_FIELD(SYMOFFSET))
 586                 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
 587
 588         if (PRINT_FIELD(SRCLINE))
 589                 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
 590 }
 591
 592 static struct evsel *find_first_output_type(struct evlist *evlist,
 593                                             unsigned int type)
 594 {
 595         struct evsel *evsel;
 596
 597         evlist__for_each_entry(evlist, evsel) {
 598                 if (evsel__is_dummy_event(evsel))
 599                         continue;
 600                 if (output_type(evsel->core.attr.type) == (int)type)
 601                         return evsel;
 602         }
 603         return NULL;
 604 }
 605
 606 /*
 607  * verify all user requested events exist and the samples
 608  * have the expected data
 609  */
 610 static int perf_session__check_output_opt(struct perf_session *session)
 611 {
 612         bool tod = false;
 613         unsigned int j;
 614         struct evsel *evsel;
 615
 616         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 617                 evsel = find_first_output_type(session->evlist, j);
 618
 619                 /*
 620                  * even if fields is set to 0 (ie., show nothing) event must
 621                  * exist if user explicitly includes it on the command line
 622                  */
 623                 if (!evsel && output[j].user_set && !output[j].wildcard_set &&
 624                     j != OUTPUT_TYPE_SYNTH) {
 625                         pr_err("%s events do not exist. "
 626                                "Remove corresponding -F option to proceed.\n",
 627                                event_type(j));
 628                         return -1;
 629                 }
 630
 631                 if (evsel && output[j].fields &&
 632                         evsel__check_attr(evsel, session))
 633                         return -1;
 634
 635                 if (evsel == NULL)
 636                         continue;
 637
 638                 /* 'dsoff' implys 'dso' field */
 639                 if (output[j].fields & PERF_OUTPUT_DSOFF)
 640                         output[j].fields |= PERF_OUTPUT_DSO;
 641
 642                 set_print_ip_opts(&evsel->core.attr);
 643                 tod |= output[j].fields & PERF_OUTPUT_TOD;
 644         }
 645
 646         if (!no_callchain) {
 647                 bool use_callchain = false;
 648                 bool not_pipe = false;
 649
 650                 evlist__for_each_entry(session->evlist, evsel) {
 651                         not_pipe = true;
 652                         if (evsel__has_callchain(evsel)) {
 653                                 use_callchain = true;
 654                                 break;
 655                         }
 656                 }
 657                 if (not_pipe && !use_callchain)
 658                         symbol_conf.use_callchain = false;
 659         }
 660
 661         /*
 662          * set default for tracepoints to print symbols only
 663          * if callchains are present
 664          */
 665         if (symbol_conf.use_callchain &&
 666             !output[PERF_TYPE_TRACEPOINT].user_set) {
 667                 j = PERF_TYPE_TRACEPOINT;
 668
 669                 evlist__for_each_entry(session->evlist, evsel) {
 670                         if (evsel->core.attr.type != j)
 671                                 continue;
 672
 673                         if (evsel__has_callchain(evsel)) {
 674                                 output[j].fields |= PERF_OUTPUT_IP;
 675                                 output[j].fields |= PERF_OUTPUT_SYM;
 676                                 output[j].fields |= PERF_OUTPUT_SYMOFFSET;
 677                                 output[j].fields |= PERF_OUTPUT_DSO;
 678                                 set_print_ip_opts(&evsel->core.attr);
 679                                 goto out;
 680                         }
 681                 }
 682         }
 683
 684         if (tod && !session->header.env.clock.enabled) {
 685                 pr_err("Can't provide 'tod' time, missing clock data. "
 686                        "Please record with -k/--clockid option.\n");
 687                 return -1;
 688         }
 689 out:
 690         return 0;
 691 }
 692
 693 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask, const char *arch,
 694                                      FILE *fp)
 695 {
 696         unsigned i = 0, r;
 697         int printed = 0;
 698
 699         if (!regs || !regs->regs)
 700                 return 0;
 701
 702         printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
 703
 704         for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
 705                 u64 val = regs->regs[i++];
 706                 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r, arch), val);
 707         }
 708
 709         return printed;
 710 }
 711
 712 #define DEFAULT_TOD_FMT "%F %H:%M:%S"
 713
 714 static char*
 715 tod_scnprintf(struct perf_script *script, char *buf, int buflen,
 716              u64 timestamp)
 717 {
 718         u64 tod_ns, clockid_ns;
 719         struct perf_env *env;
 720         unsigned long nsec;
 721         struct tm ltime;
 722         char date[64];
 723         time_t sec;
 724
 725         buf[0] = '\0';
 726         if (buflen < 64 || !script)
 727                 return buf;
 728
 729         env = &script->session->header.env;
 730         if (!env->clock.enabled) {
 731                 scnprintf(buf, buflen, "disabled");
 732                 return buf;
 733         }
 734
 735         clockid_ns = env->clock.clockid_ns;
 736         tod_ns     = env->clock.tod_ns;
 737
 738         if (timestamp > clockid_ns)
 739                 tod_ns += timestamp - clockid_ns;
 740         else
 741                 tod_ns -= clockid_ns - timestamp;
 742
 743         sec  = (time_t) (tod_ns / NSEC_PER_SEC);
 744         nsec = tod_ns - sec * NSEC_PER_SEC;
 745
 746         if (localtime_r(&sec, &ltime) == NULL) {
 747                 scnprintf(buf, buflen, "failed");
 748         } else {
 749                 strftime(date, sizeof(date), DEFAULT_TOD_FMT, &ltime);
 750
 751                 if (symbol_conf.nanosecs) {
 752                         snprintf(buf, buflen, "%s.%09lu", date, nsec);
 753                 } else {
 754                         snprintf(buf, buflen, "%s.%06lu",
 755                                  date, nsec / NSEC_PER_USEC);
 756                 }
 757         }
 758
 759         return buf;
 760 }
 761
 762 static int perf_sample__fprintf_iregs(struct perf_sample *sample,
 763                                       struct perf_event_attr *attr, const char *arch, FILE *fp)
 764 {
 765         return perf_sample__fprintf_regs(&sample->intr_regs,
 766                                          attr->sample_regs_intr, arch, fp);
 767 }
 768
 769 static int perf_sample__fprintf_uregs(struct perf_sample *sample,
 770                                       struct perf_event_attr *attr, const char *arch, FILE *fp)
 771 {
 772         return perf_sample__fprintf_regs(&sample->user_regs,
 773                                          attr->sample_regs_user, arch, fp);
 774 }
 775
 776 static int perf_sample__fprintf_start(struct perf_script *script,
 777                                       struct perf_sample *sample,
 778                                       struct thread *thread,
 779                                       struct evsel *evsel,
 780                                       u32 type, FILE *fp)
 781 {
 782         struct perf_event_attr *attr = &evsel->core.attr;
 783         unsigned long secs;
 784         unsigned long long nsecs;
 785         int printed = 0;
 786         char tstr[128];
 787
 788         if (PRINT_FIELD(MACHINE_PID) && sample->machine_pid)
 789                 printed += fprintf(fp, "VM:%5d ", sample->machine_pid);
 790
 791         /* Print VCPU only for guest events i.e. with machine_pid */
 792         if (PRINT_FIELD(VCPU) && sample->machine_pid)
 793                 printed += fprintf(fp, "VCPU:%03d ", sample->vcpu);
 794
 795         if (PRINT_FIELD(COMM)) {
 796                 const char *comm = thread ? thread__comm_str(thread) : ":-1";
 797
 798                 if (latency_format)
 799                         printed += fprintf(fp, "%8.8s ", comm);
 800                 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
 801                         printed += fprintf(fp, "%s ", comm);
 802                 else
 803                         printed += fprintf(fp, "%16s ", comm);
 804         }
 805
 806         if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
 807                 printed += fprintf(fp, "%7d/%-7d ", sample->pid, sample->tid);
 808         else if (PRINT_FIELD(PID))
 809                 printed += fprintf(fp, "%7d ", sample->pid);
 810         else if (PRINT_FIELD(TID))
 811                 printed += fprintf(fp, "%7d ", sample->tid);
 812
 813         if (PRINT_FIELD(CPU)) {
 814                 if (latency_format)
 815                         printed += fprintf(fp, "%3d ", sample->cpu);
 816                 else
 817                         printed += fprintf(fp, "[%03d] ", sample->cpu);
 818         }
 819
 820         if (PRINT_FIELD(MISC)) {
 821                 int ret = 0;
 822
 823                 #define has(m) \
 824                         (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
 825
 826                 if (has(KERNEL))
 827                         ret += fprintf(fp, "K");
 828                 if (has(USER))
 829                         ret += fprintf(fp, "U");
 830                 if (has(HYPERVISOR))
 831                         ret += fprintf(fp, "H");
 832                 if (has(GUEST_KERNEL))
 833                         ret += fprintf(fp, "G");
 834                 if (has(GUEST_USER))
 835                         ret += fprintf(fp, "g");
 836
 837                 switch (type) {
 838                 case PERF_RECORD_MMAP:
 839                 case PERF_RECORD_MMAP2:
 840                         if (has(MMAP_DATA))
 841                                 ret += fprintf(fp, "M");
 842                         break;
 843                 case PERF_RECORD_COMM:
 844                         if (has(COMM_EXEC))
 845                                 ret += fprintf(fp, "E");
 846                         break;
 847                 case PERF_RECORD_SWITCH:
 848                 case PERF_RECORD_SWITCH_CPU_WIDE:
 849                         if (has(SWITCH_OUT)) {
 850                                 ret += fprintf(fp, "S");
 851                                 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
 852                                         ret += fprintf(fp, "p");
 853                         }
 854                 default:
 855                         break;
 856                 }
 857
 858                 #undef has
 859
 860                 ret += fprintf(fp, "%*s", 6 - ret, " ");
 861                 printed += ret;
 862         }
 863
 864         if (PRINT_FIELD(TOD)) {
 865                 tod_scnprintf(script, tstr, sizeof(tstr), sample->time);
 866                 printed += fprintf(fp, "%s ", tstr);
 867         }
 868
 869         if (PRINT_FIELD(TIME)) {
 870                 u64 t = sample->time;
 871                 if (reltime) {
 872                         if (!initial_time)
 873                                 initial_time = sample->time;
 874                         t = sample->time - initial_time;
 875                 } else if (deltatime) {
 876                         if (previous_time)
 877                                 t = sample->time - previous_time;
 878                         else {
 879                                 t = 0;
 880                         }
 881                         previous_time = sample->time;
 882                 }
 883                 nsecs = t;
 884                 secs = nsecs / NSEC_PER_SEC;
 885                 nsecs -= secs * NSEC_PER_SEC;
 886
 887                 if (symbol_conf.nanosecs)
 888                         printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
 889                 else {
 890                         char sample_time[32];
 891                         timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time));
 892                         printed += fprintf(fp, "%12s: ", sample_time);
 893                 }
 894         }
 895
 896         return printed;
 897 }
 898
 899 static inline char
 900 mispred_str(struct branch_entry *br)
 901 {
 902         if (!(br->flags.mispred  || br->flags.predicted))
 903                 return '-';
 904
 905         return br->flags.predicted ? 'P' : 'M';
 906 }
 907
 908 static int print_bstack_flags(FILE *fp, struct branch_entry *br)
 909 {
 910         return fprintf(fp, "/%c/%c/%c/%d/%s/%s ",
 911                        mispred_str(br),
 912                        br->flags.in_tx ? 'X' : '-',
 913                        br->flags.abort ? 'A' : '-',
 914                        br->flags.cycles,
 915                        get_branch_type(br),
 916                        br->flags.spec ? branch_spec_desc(br->flags.spec) : "-");
 917 }
 918
 919 static int perf_sample__fprintf_brstack(struct perf_sample *sample,
 920                                         struct thread *thread,
 921                                         struct perf_event_attr *attr, FILE *fp)
 922 {
 923         struct branch_stack *br = sample->branch_stack;
 924         struct branch_entry *entries = perf_sample__branch_entries(sample);
 925         u64 i, from, to;
 926         int printed = 0;
 927
 928         if (!(br && br->nr))
 929                 return 0;
 930
 931         for (i = 0; i < br->nr; i++) {
 932                 from = entries[i].from;
 933                 to   = entries[i].to;
 934
 935                 printed += fprintf(fp, " 0x%"PRIx64, from);
 936                 if (PRINT_FIELD(DSO)) {
 937                         struct addr_location alf, alt;
 938
 939                         addr_location__init(&alf);
 940                         addr_location__init(&alt);
 941                         thread__find_map_fb(thread, sample->cpumode, from, &alf);
 942                         thread__find_map_fb(thread, sample->cpumode, to, &alt);
 943
 944                         printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp);
 945                         printed += fprintf(fp, "/0x%"PRIx64, to);
 946                         printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp);
 947                         addr_location__exit(&alt);
 948                         addr_location__exit(&alf);
 949                 } else
 950                         printed += fprintf(fp, "/0x%"PRIx64, to);
 951
 952                 printed += print_bstack_flags(fp, entries + i);
 953         }
 954
 955         return printed;
 956 }
 957
 958 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
 959                                            struct thread *thread,
 960                                            struct perf_event_attr *attr, FILE *fp)
 961 {
 962         struct branch_stack *br = sample->branch_stack;
 963         struct branch_entry *entries = perf_sample__branch_entries(sample);
 964         u64 i, from, to;
 965         int printed = 0;
 966
 967         if (!(br && br->nr))
 968                 return 0;
 969
 970         for (i = 0; i < br->nr; i++) {
 971                 struct addr_location alf, alt;
 972
 973                 addr_location__init(&alf);
 974                 addr_location__init(&alt);
 975                 from = entries[i].from;
 976                 to   = entries[i].to;
 977
 978                 thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
 979                 thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
 980
 981                 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
 982                 if (PRINT_FIELD(DSO))
 983                         printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp);
 984                 printed += fprintf(fp, "%c", '/');
 985                 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
 986                 if (PRINT_FIELD(DSO))
 987                         printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp);
 988                 printed += print_bstack_flags(fp, entries + i);
 989                 addr_location__exit(&alt);
 990                 addr_location__exit(&alf);
 991         }
 992
 993         return printed;
 994 }
 995
 996 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
 997                                            struct thread *thread,
 998                                            struct perf_event_attr *attr, FILE *fp)
 999 {
1000         struct branch_stack *br = sample->branch_stack;
1001         struct branch_entry *entries = perf_sample__branch_entries(sample);
1002         u64 i, from, to;
1003         int printed = 0;
1004
1005         if (!(br && br->nr))
1006                 return 0;
1007
1008         for (i = 0; i < br->nr; i++) {
1009                 struct addr_location alf, alt;
1010
1011                 addr_location__init(&alf);
1012                 addr_location__init(&alt);
1013                 from = entries[i].from;
1014                 to   = entries[i].to;
1015
1016                 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
1017                     !map__dso(alf.map)->adjust_symbols)
1018                         from = map__dso_map_ip(alf.map, from);
1019
1020                 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
1021                     !map__dso(alt.map)->adjust_symbols)
1022                         to = map__dso_map_ip(alt.map, to);
1023
1024                 printed += fprintf(fp, " 0x%"PRIx64, from);
1025                 if (PRINT_FIELD(DSO))
1026                         printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp);
1027                 printed += fprintf(fp, "/0x%"PRIx64, to);
1028                 if (PRINT_FIELD(DSO))
1029                         printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp);
1030                 printed += print_bstack_flags(fp, entries + i);
1031                 addr_location__exit(&alt);
1032                 addr_location__exit(&alf);
1033         }
1034
1035         return printed;
1036 }
1037 #define MAXBB 16384UL
1038
1039 static int grab_bb(u8 *buffer, u64 start, u64 end,
1040                     struct machine *machine, struct thread *thread,
1041                     bool *is64bit, u8 *cpumode, bool last)
1042 {
1043         long offset, len;
1044         struct addr_location al;
1045         bool kernel;
1046         struct dso *dso;
1047         int ret = 0;
1048
1049         if (!start || !end)
1050                 return 0;
1051
1052         kernel = machine__kernel_ip(machine, start);
1053         if (kernel)
1054                 *cpumode = PERF_RECORD_MISC_KERNEL;
1055         else
1056                 *cpumode = PERF_RECORD_MISC_USER;
1057
1058         /*
1059          * Block overlaps between kernel and user.
1060          * This can happen due to ring filtering
1061          * On Intel CPUs the entry into the kernel is filtered,
1062          * but the exit is not. Let the caller patch it up.
1063          */
1064         if (kernel != machine__kernel_ip(machine, end)) {
1065                 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
1066                 return -ENXIO;
1067         }
1068
1069         if (end - start > MAXBB - MAXINSN) {
1070                 if (last)
1071                         pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
1072                 else
1073                         pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
1074                 return 0;
1075         }
1076
1077         addr_location__init(&al);
1078         if (!thread__find_map(thread, *cpumode, start, &al) || (dso = map__dso(al.map)) == NULL) {
1079                 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1080                 goto out;
1081         }
1082         if (dso->data.status == DSO_DATA_STATUS_ERROR) {
1083                 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1084                 goto out;
1085         }
1086
1087         /* Load maps to ensure dso->is_64_bit has been updated */
1088         map__load(al.map);
1089
1090         offset = map__map_ip(al.map, start);
1091         len = dso__data_read_offset(dso, machine, offset, (u8 *)buffer,
1092                                     end - start + MAXINSN);
1093
1094         *is64bit = dso->is_64_bit;
1095         if (len <= 0)
1096                 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
1097                         start, end);
1098         ret = len;
1099 out:
1100         addr_location__exit(&al);
1101         return ret;
1102 }
1103
1104 static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state)
1105 {
1106         char *srcfile;
1107         int ret = 0;
1108         unsigned line;
1109         int len;
1110         char *srccode;
1111         struct dso *dso;
1112
1113         if (!map || (dso = map__dso(map)) == NULL)
1114                 return 0;
1115         srcfile = get_srcline_split(dso,
1116                                     map__rip_2objdump(map, addr),
1117                                     &line);
1118         if (!srcfile)
1119                 return 0;
1120
1121         /* Avoid redundant printing */
1122         if (state &&
1123             state->srcfile &&
1124             !strcmp(state->srcfile, srcfile) &&
1125             state->line == line) {
1126                 free(srcfile);
1127                 return 0;
1128         }
1129
1130         srccode = find_sourceline(srcfile, line, &len);
1131         if (!srccode)
1132                 goto out_free_line;
1133
1134         ret = fprintf(fp, "|%-8d %.*s", line, len, srccode);
1135
1136         if (state) {
1137                 state->srcfile = srcfile;
1138                 state->line = line;
1139         }
1140         return ret;
1141
1142 out_free_line:
1143         free(srcfile);
1144         return ret;
1145 }
1146
1147 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr)
1148 {
1149         struct addr_location al;
1150         int ret = 0;
1151
1152         addr_location__init(&al);
1153         thread__find_map(thread, cpumode, addr, &al);
1154         if (!al.map)
1155                 goto out;
1156         ret = map__fprintf_srccode(al.map, al.addr, stdout,
1157                                    thread__srccode_state(thread));
1158         if (ret)
1159                 ret += printf("\n");
1160 out:
1161         addr_location__exit(&al);
1162         return ret;
1163 }
1164
1165 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
1166                             struct perf_insn *x, u8 *inbuf, int len,
1167                             int insn, FILE *fp, int *total_cycles,
1168                             struct perf_event_attr *attr,
1169                             struct thread *thread)
1170 {
1171         int ilen = 0;
1172         int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t", ip,
1173                               dump_insn(x, ip, inbuf, len, &ilen));
1174
1175         if (PRINT_FIELD(BRSTACKINSNLEN))
1176                 printed += fprintf(fp, "ilen: %d\t", ilen);
1177
1178         if (PRINT_FIELD(SRCLINE)) {
1179                 struct addr_location al;
1180
1181                 addr_location__init(&al);
1182                 thread__find_map(thread, x->cpumode, ip, &al);
1183                 printed += map__fprintf_srcline(al.map, al.addr, " srcline: ", fp);
1184                 printed += fprintf(fp, "\t");
1185                 addr_location__exit(&al);
1186         }
1187
1188         printed += fprintf(fp, "#%s%s%s%s",
1189                               en->flags.predicted ? " PRED" : "",
1190                               en->flags.mispred ? " MISPRED" : "",
1191                               en->flags.in_tx ? " INTX" : "",
1192                               en->flags.abort ? " ABORT" : "");
1193         if (en->flags.cycles) {
1194                 *total_cycles += en->flags.cycles;
1195                 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles);
1196                 if (insn)
1197                         printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
1198         }
1199
1200         return printed + fprintf(fp, "\n");
1201 }
1202
1203 static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
1204                            u8 cpumode, int cpu, struct symbol **lastsym,
1205                            struct perf_event_attr *attr, FILE *fp)
1206 {
1207         struct addr_location al;
1208         int off, printed = 0, ret = 0;
1209
1210         addr_location__init(&al);
1211         thread__find_map(thread, cpumode, addr, &al);
1212
1213         if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
1214                 goto out;
1215
1216         al.cpu = cpu;
1217         al.sym = NULL;
1218         if (al.map)
1219                 al.sym = map__find_symbol(al.map, al.addr);
1220
1221         if (!al.sym)
1222                 goto out;
1223
1224         if (al.addr < al.sym->end)
1225                 off = al.addr - al.sym->start;
1226         else
1227                 off = al.addr - map__start(al.map) - al.sym->start;
1228         printed += fprintf(fp, "\t%s", al.sym->name);
1229         if (off)
1230                 printed += fprintf(fp, "%+d", off);
1231         printed += fprintf(fp, ":");
1232         if (PRINT_FIELD(SRCLINE))
1233                 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
1234         printed += fprintf(fp, "\n");
1235         *lastsym = al.sym;
1236
1237         ret = printed;
1238 out:
1239         addr_location__exit(&al);
1240         return ret;
1241 }
1242
1243 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
1244                                             struct thread *thread,
1245                                             struct perf_event_attr *attr,
1246                                             struct machine *machine, FILE *fp)
1247 {
1248         struct branch_stack *br = sample->branch_stack;
1249         struct branch_entry *entries = perf_sample__branch_entries(sample);
1250         u64 start, end;
1251         int i, insn, len, nr, ilen, printed = 0;
1252         struct perf_insn x;
1253         u8 buffer[MAXBB];
1254         unsigned off;
1255         struct symbol *lastsym = NULL;
1256         int total_cycles = 0;
1257
1258         if (!(br && br->nr))
1259                 return 0;
1260         nr = br->nr;
1261         if (max_blocks && nr > max_blocks + 1)
1262                 nr = max_blocks + 1;
1263
1264         x.thread = thread;
1265         x.cpu = sample->cpu;
1266
1267         printed += fprintf(fp, "%c", '\n');
1268
1269         /* Handle first from jump, of which we don't know the entry. */
1270         len = grab_bb(buffer, entries[nr-1].from,
1271                         entries[nr-1].from,
1272                         machine, thread, &x.is64bit, &x.cpumode, false);
1273         if (len > 0) {
1274                 printed += ip__fprintf_sym(entries[nr - 1].from, thread,
1275                                            x.cpumode, x.cpu, &lastsym, attr, fp);
1276                 printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1],
1277                                             &x, buffer, len, 0, fp, &total_cycles,
1278                                             attr, thread);
1279                 if (PRINT_FIELD(SRCCODE))
1280                         printed += print_srccode(thread, x.cpumode, entries[nr - 1].from);
1281         }
1282
1283         /* Print all blocks */
1284         for (i = nr - 2; i >= 0; i--) {
1285                 if (entries[i].from || entries[i].to)
1286                         pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1287                                  entries[i].from,
1288                                  entries[i].to);
1289                 start = entries[i + 1].to;
1290                 end   = entries[i].from;
1291
1292                 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1293                 /* Patch up missing kernel transfers due to ring filters */
1294                 if (len == -ENXIO && i > 0) {
1295                         end = entries[--i].from;
1296                         pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1297                         len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1298                 }
1299                 if (len <= 0)
1300                         continue;
1301
1302                 insn = 0;
1303                 for (off = 0; off < (unsigned)len; off += ilen) {
1304                         uint64_t ip = start + off;
1305
1306                         printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1307                         if (ip == end) {
1308                                 printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp,
1309                                                             &total_cycles, attr, thread);
1310                                 if (PRINT_FIELD(SRCCODE))
1311                                         printed += print_srccode(thread, x.cpumode, ip);
1312                                 break;
1313                         } else {
1314                                 ilen = 0;
1315                                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s", ip,
1316                                                    dump_insn(&x, ip, buffer + off, len - off, &ilen));
1317                                 if (PRINT_FIELD(BRSTACKINSNLEN))
1318                                         printed += fprintf(fp, "\tilen: %d", ilen);
1319                                 printed += fprintf(fp, "\n");
1320                                 if (ilen == 0)
1321                                         break;
1322                                 if (PRINT_FIELD(SRCCODE))
1323                                         print_srccode(thread, x.cpumode, ip);
1324                                 insn++;
1325                         }
1326                 }
1327                 if (off != end - start)
1328                         printed += fprintf(fp, "\tmismatch of LBR data and executable\n");
1329         }
1330
1331         /*
1332          * Hit the branch? In this case we are already done, and the target
1333          * has not been executed yet.
1334          */
1335         if (entries[0].from == sample->ip)
1336                 goto out;
1337         if (entries[0].flags.abort)
1338                 goto out;
1339
1340         /*
1341          * Print final block up to sample
1342          *
1343          * Due to pipeline delays the LBRs might be missing a branch
1344          * or two, which can result in very large or negative blocks
1345          * between final branch and sample. When this happens just
1346          * continue walking after the last TO until we hit a branch.
1347          */
1348         start = entries[0].to;
1349         end = sample->ip;
1350         if (end < start) {
1351                 /* Missing jump. Scan 128 bytes for the next branch */
1352                 end = start + 128;
1353         }
1354         len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1355         printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1356         if (len <= 0) {
1357                 /* Print at least last IP if basic block did not work */
1358                 len = grab_bb(buffer, sample->ip, sample->ip,
1359                               machine, thread, &x.is64bit, &x.cpumode, false);
1360                 if (len <= 0)
1361                         goto out;
1362                 ilen = 0;
1363                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s", sample->ip,
1364                         dump_insn(&x, sample->ip, buffer, len, &ilen));
1365                 if (PRINT_FIELD(BRSTACKINSNLEN))
1366                         printed += fprintf(fp, "\tilen: %d", ilen);
1367                 printed += fprintf(fp, "\n");
1368                 if (PRINT_FIELD(SRCCODE))
1369                         print_srccode(thread, x.cpumode, sample->ip);
1370                 goto out;
1371         }
1372         for (off = 0; off <= end - start; off += ilen) {
1373                 ilen = 0;
1374                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s", start + off,
1375                                    dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1376                 if (PRINT_FIELD(BRSTACKINSNLEN))
1377                         printed += fprintf(fp, "\tilen: %d", ilen);
1378                 printed += fprintf(fp, "\n");
1379                 if (ilen == 0)
1380                         break;
1381                 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) {
1382                         /*
1383                          * Hit a missing branch. Just stop.
1384                          */
1385                         printed += fprintf(fp, "\t... not reaching sample ...\n");
1386                         break;
1387                 }
1388                 if (PRINT_FIELD(SRCCODE))
1389                         print_srccode(thread, x.cpumode, start + off);
1390         }
1391 out:
1392         return printed;
1393 }
1394
1395 static int perf_sample__fprintf_addr(struct perf_sample *sample,
1396                                      struct thread *thread,
1397                                      struct perf_event_attr *attr, FILE *fp)
1398 {
1399         struct addr_location al;
1400         int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1401
1402         addr_location__init(&al);
1403         if (!sample_addr_correlates_sym(attr))
1404                 goto out;
1405
1406         thread__resolve(thread, &al, sample);
1407
1408         if (PRINT_FIELD(SYM)) {
1409                 printed += fprintf(fp, " ");
1410                 if (PRINT_FIELD(SYMOFFSET))
1411                         printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1412                 else
1413                         printed += symbol__fprintf_symname(al.sym, fp);
1414         }
1415
1416         if (PRINT_FIELD(DSO))
1417                 printed += map__fprintf_dsoname_dsoff(al.map, PRINT_FIELD(DSOFF), al.addr, fp);
1418 out:
1419         addr_location__exit(&al);
1420         return printed;
1421 }
1422
1423 static const char *resolve_branch_sym(struct perf_sample *sample,
1424                                       struct evsel *evsel,
1425                                       struct thread *thread,
1426                                       struct addr_location *al,
1427                                       struct addr_location *addr_al,
1428                                       u64 *ip)
1429 {
1430         struct perf_event_attr *attr = &evsel->core.attr;
1431         const char *name = NULL;
1432
1433         if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1434                 if (sample_addr_correlates_sym(attr)) {
1435                         if (!addr_al->thread)
1436                                 thread__resolve(thread, addr_al, sample);
1437                         if (addr_al->sym)
1438                                 name = addr_al->sym->name;
1439                         else
1440                                 *ip = sample->addr;
1441                 } else {
1442                         *ip = sample->addr;
1443                 }
1444         } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1445                 if (al->sym)
1446                         name = al->sym->name;
1447                 else
1448                         *ip = sample->ip;
1449         }
1450         return name;
1451 }
1452
1453 static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1454                                            struct evsel *evsel,
1455                                            struct thread *thread,
1456                                            struct addr_location *al,
1457                                            struct addr_location *addr_al,
1458                                            FILE *fp)
1459 {
1460         struct perf_event_attr *attr = &evsel->core.attr;
1461         size_t depth = thread_stack__depth(thread, sample->cpu);
1462         const char *name = NULL;
1463         static int spacing;
1464         int len = 0;
1465         int dlen = 0;
1466         u64 ip = 0;
1467
1468         /*
1469          * The 'return' has already been popped off the stack so the depth has
1470          * to be adjusted to match the 'call'.
1471          */
1472         if (thread__ts(thread) && sample->flags & PERF_IP_FLAG_RETURN)
1473                 depth += 1;
1474
1475         name = resolve_branch_sym(sample, evsel, thread, al, addr_al, &ip);
1476
1477         if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
1478                 dlen += fprintf(fp, "(");
1479                 dlen += map__fprintf_dsoname(al->map, fp);
1480                 dlen += fprintf(fp, ")\t");
1481         }
1482
1483         if (name)
1484                 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1485         else if (ip)
1486                 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1487
1488         if (len < 0)
1489                 return len;
1490
1491         /*
1492          * Try to keep the output length from changing frequently so that the
1493          * output lines up more nicely.
1494          */
1495         if (len > spacing || (len && len < spacing - 52))
1496                 spacing = round_up(len + 4, 32);
1497
1498         if (len < spacing)
1499                 len += fprintf(fp, "%*s", spacing - len, "");
1500
1501         return len + dlen;
1502 }
1503
1504 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused,
1505                             struct thread *thread __maybe_unused,
1506                             struct machine *machine __maybe_unused)
1507 {
1508 }
1509
1510 void script_fetch_insn(struct perf_sample *sample, struct thread *thread,
1511                        struct machine *machine)
1512 {
1513         if (sample->insn_len == 0 && native_arch)
1514                 arch_fetch_insn(sample, thread, machine);
1515 }
1516
1517 static int perf_sample__fprintf_insn(struct perf_sample *sample,
1518                                      struct perf_event_attr *attr,
1519                                      struct thread *thread,
1520                                      struct machine *machine, FILE *fp)
1521 {
1522         int printed = 0;
1523
1524         script_fetch_insn(sample, thread, machine);
1525
1526         if (PRINT_FIELD(INSNLEN))
1527                 printed += fprintf(fp, " ilen: %d", sample->insn_len);
1528         if (PRINT_FIELD(INSN) && sample->insn_len) {
1529                 printed += fprintf(fp, " insn: ");
1530                 printed += sample__fprintf_insn_raw(sample, fp);
1531         }
1532         if (PRINT_FIELD(DISASM) && sample->insn_len) {
1533                 printed += fprintf(fp, "\t\t");
1534                 printed += sample__fprintf_insn_asm(sample, thread, machine, fp);
1535         }
1536         if (PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN))
1537                 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
1538
1539         return printed;
1540 }
1541
1542 static int perf_sample__fprintf_ipc(struct perf_sample *sample,
1543                                     struct perf_event_attr *attr, FILE *fp)
1544 {
1545         unsigned int ipc;
1546
1547         if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt)
1548                 return 0;
1549
1550         ipc = (sample->insn_cnt * 100) / sample->cyc_cnt;
1551
1552         return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ",
1553                        ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt);
1554 }
1555
1556 static int perf_sample__fprintf_bts(struct perf_sample *sample,
1557                                     struct evsel *evsel,
1558                                     struct thread *thread,
1559                                     struct addr_location *al,
1560                                     struct addr_location *addr_al,
1561                                     struct machine *machine, FILE *fp)
1562 {
1563         struct perf_event_attr *attr = &evsel->core.attr;
1564         unsigned int type = output_type(attr->type);
1565         bool print_srcline_last = false;
1566         int printed = 0;
1567
1568         if (PRINT_FIELD(CALLINDENT))
1569                 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, addr_al, fp);
1570
1571         /* print branch_from information */
1572         if (PRINT_FIELD(IP)) {
1573                 unsigned int print_opts = output[type].print_ip_opts;
1574                 struct callchain_cursor *cursor = NULL;
1575
1576                 if (symbol_conf.use_callchain && sample->callchain) {
1577                         cursor = get_tls_callchain_cursor();
1578                         if (thread__resolve_callchain(al->thread, cursor, evsel,
1579                                                       sample, NULL, NULL,
1580                                                       scripting_max_stack))
1581                                 cursor = NULL;
1582                 }
1583                 if (cursor == NULL) {
1584                         printed += fprintf(fp, " ");
1585                         if (print_opts & EVSEL__PRINT_SRCLINE) {
1586                                 print_srcline_last = true;
1587                                 print_opts &= ~EVSEL__PRINT_SRCLINE;
1588                         }
1589                 } else
1590                         printed += fprintf(fp, "\n");
1591
1592                 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor,
1593                                                symbol_conf.bt_stop_list, fp);
1594         }
1595
1596         /* print branch_to information */
1597         if (PRINT_FIELD(ADDR) ||
1598             ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
1599              !output[type].user_set)) {
1600                 printed += fprintf(fp, " => ");
1601                 printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1602         }
1603
1604         printed += perf_sample__fprintf_ipc(sample, attr, fp);
1605
1606         if (print_srcline_last)
1607                 printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
1608
1609         printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1610         printed += fprintf(fp, "\n");
1611         if (PRINT_FIELD(SRCCODE)) {
1612                 int ret = map__fprintf_srccode(al->map, al->addr, stdout,
1613                                                thread__srccode_state(thread));
1614                 if (ret) {
1615                         printed += ret;
1616                         printed += printf("\n");
1617                 }
1618         }
1619         return printed;
1620 }
1621
1622 static struct {
1623         u32 flags;
1624         const char *name;
1625 } sample_flags[] = {
1626         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1627         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1628         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1629         {PERF_IP_FLAG_BRANCH, "jmp"},
1630         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1631         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1632         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1633         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1634         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1635         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"},
1636         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1637         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1638         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1639         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMENTRY, "vmentry"},
1640         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMEXIT, "vmexit"},
1641         {0, NULL}
1642 };
1643
1644 static const char *sample_flags_to_name(u32 flags)
1645 {
1646         int i;
1647
1648         for (i = 0; sample_flags[i].name ; i++) {
1649                 if (sample_flags[i].flags == flags)
1650                         return sample_flags[i].name;
1651         }
1652
1653         return NULL;
1654 }
1655
1656 int perf_sample__sprintf_flags(u32 flags, char *str, size_t sz)
1657 {
1658         u32 xf = PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_INTR_DISABLE |
1659                  PERF_IP_FLAG_INTR_TOGGLE;
1660         const char *chars = PERF_IP_FLAG_CHARS;
1661         const size_t n = strlen(PERF_IP_FLAG_CHARS);
1662         const char *name = NULL;
1663         size_t i, pos = 0;
1664         char xs[16] = {0};
1665
1666         if (flags & xf)
1667                 snprintf(xs, sizeof(xs), "(%s%s%s)",
1668                          flags & PERF_IP_FLAG_IN_TX ? "x" : "",
1669                          flags & PERF_IP_FLAG_INTR_DISABLE ? "D" : "",
1670                          flags & PERF_IP_FLAG_INTR_TOGGLE ? "t" : "");
1671
1672         name = sample_flags_to_name(flags & ~xf);
1673         if (name)
1674                 return snprintf(str, sz, "%-15s%6s", name, xs);
1675
1676         if (flags & PERF_IP_FLAG_TRACE_BEGIN) {
1677                 name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_BEGIN));
1678                 if (name)
1679                         return snprintf(str, sz, "tr strt %-7s%6s", name, xs);
1680         }
1681
1682         if (flags & PERF_IP_FLAG_TRACE_END) {
1683                 name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_END));
1684                 if (name)
1685                         return snprintf(str, sz, "tr end  %-7s%6s", name, xs);
1686         }
1687
1688         for (i = 0; i < n; i++, flags >>= 1) {
1689                 if ((flags & 1) && pos < sz)
1690                         str[pos++] = chars[i];
1691         }
1692         for (; i < 32; i++, flags >>= 1) {
1693                 if ((flags & 1) && pos < sz)
1694                         str[pos++] = '?';
1695         }
1696         if (pos < sz)
1697                 str[pos] = 0;
1698
1699         return pos;
1700 }
1701
1702 static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1703 {
1704         char str[SAMPLE_FLAGS_BUF_SIZE];
1705
1706         perf_sample__sprintf_flags(flags, str, sizeof(str));
1707         return fprintf(fp, "  %-21s ", str);
1708 }
1709
1710 struct printer_data {
1711         int line_no;
1712         bool hit_nul;
1713         bool is_printable;
1714 };
1715
1716 static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1717                                       unsigned int val,
1718                                       void *extra, FILE *fp)
1719 {
1720         unsigned char ch = (unsigned char)val;
1721         struct printer_data *printer_data = extra;
1722         int printed = 0;
1723
1724         switch (op) {
1725         case BINARY_PRINT_DATA_BEGIN:
1726                 printed += fprintf(fp, "\n");
1727                 break;
1728         case BINARY_PRINT_LINE_BEGIN:
1729                 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1730                                                         "           ");
1731                 break;
1732         case BINARY_PRINT_ADDR:
1733                 printed += fprintf(fp, " %04x:", val);
1734                 break;
1735         case BINARY_PRINT_NUM_DATA:
1736                 printed += fprintf(fp, " %02x", val);
1737                 break;
1738         case BINARY_PRINT_NUM_PAD:
1739                 printed += fprintf(fp, "   ");
1740                 break;
1741         case BINARY_PRINT_SEP:
1742                 printed += fprintf(fp, "  ");
1743                 break;
1744         case BINARY_PRINT_CHAR_DATA:
1745                 if (printer_data->hit_nul && ch)
1746                         printer_data->is_printable = false;
1747
1748                 if (!isprint(ch)) {
1749                         printed += fprintf(fp, "%c", '.');
1750
1751                         if (!printer_data->is_printable)
1752                                 break;
1753
1754                         if (ch == '\0')
1755                                 printer_data->hit_nul = true;
1756                         else
1757                                 printer_data->is_printable = false;
1758                 } else {
1759                         printed += fprintf(fp, "%c", ch);
1760                 }
1761                 break;
1762         case BINARY_PRINT_CHAR_PAD:
1763                 printed += fprintf(fp, " ");
1764                 break;
1765         case BINARY_PRINT_LINE_END:
1766                 printed += fprintf(fp, "\n");
1767                 printer_data->line_no++;
1768                 break;
1769         case BINARY_PRINT_DATA_END:
1770         default:
1771                 break;
1772         }
1773
1774         return printed;
1775 }
1776
1777 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1778 {
1779         unsigned int nr_bytes = sample->raw_size;
1780         struct printer_data printer_data = {0, false, true};
1781         int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1782                                       sample__fprintf_bpf_output, &printer_data, fp);
1783
1784         if (printer_data.is_printable && printer_data.hit_nul)
1785                 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1786
1787         return printed;
1788 }
1789
1790 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1791 {
1792         if (len > 0 && len < spacing)
1793                 return fprintf(fp, "%*s", spacing - len, "");
1794
1795         return 0;
1796 }
1797
1798 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1799 {
1800         return perf_sample__fprintf_spacing(len, 34, fp);
1801 }
1802
1803 /* If a value contains only printable ASCII characters padded with NULLs */
1804 static bool ptw_is_prt(u64 val)
1805 {
1806         char c;
1807         u32 i;
1808
1809         for (i = 0; i < sizeof(val); i++) {
1810                 c = ((char *)&val)[i];
1811                 if (!c)
1812                         break;
1813                 if (!isprint(c) || !isascii(c))
1814                         return false;
1815         }
1816         for (; i < sizeof(val); i++) {
1817                 c = ((char *)&val)[i];
1818                 if (c)
1819                         return false;
1820         }
1821         return true;
1822 }
1823
1824 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1825 {
1826         struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1827         char str[sizeof(u64) + 1] = "";
1828         int len;
1829         u64 val;
1830
1831         if (perf_sample__bad_synth_size(sample, *data))
1832                 return 0;
1833
1834         val = le64_to_cpu(data->payload);
1835         if (ptw_is_prt(val)) {
1836                 memcpy(str, &val, sizeof(val));
1837                 str[sizeof(val)] = 0;
1838         }
1839         len = fprintf(fp, " IP: %u payload: %#" PRIx64 " %s ",
1840                       data->ip, val, str);
1841         return len + perf_sample__fprintf_pt_spacing(len, fp);
1842 }
1843
1844 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1845 {
1846         struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1847         int len;
1848
1849         if (perf_sample__bad_synth_size(sample, *data))
1850                 return 0;
1851
1852         len = fprintf(fp, " hints: %#x extensions: %#x ",
1853                       data->hints, data->extensions);
1854         return len + perf_sample__fprintf_pt_spacing(len, fp);
1855 }
1856
1857 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1858 {
1859         struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1860         int len;
1861
1862         if (perf_sample__bad_synth_size(sample, *data))
1863                 return 0;
1864
1865         len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1866                       data->hw, data->cstate, data->subcstate);
1867         return len + perf_sample__fprintf_pt_spacing(len, fp);
1868 }
1869
1870 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1871 {
1872         struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1873         int len;
1874
1875         if (perf_sample__bad_synth_size(sample, *data))
1876                 return 0;
1877
1878         len = fprintf(fp, " IP: %u ", data->ip);
1879         return len + perf_sample__fprintf_pt_spacing(len, fp);
1880 }
1881
1882 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1883 {
1884         struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1885         int len;
1886
1887         if (perf_sample__bad_synth_size(sample, *data))
1888                 return 0;
1889
1890         len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1891                      data->deepest_cstate, data->last_cstate,
1892                      data->wake_reason);
1893         return len + perf_sample__fprintf_pt_spacing(len, fp);
1894 }
1895
1896 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1897 {
1898         struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1899         unsigned int percent, freq;
1900         int len;
1901
1902         if (perf_sample__bad_synth_size(sample, *data))
1903                 return 0;
1904
1905         freq = (le32_to_cpu(data->freq) + 500) / 1000;
1906         len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1907         if (data->max_nonturbo) {
1908                 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1909                 len += fprintf(fp, "(%3u%%) ", percent);
1910         }
1911         return len + perf_sample__fprintf_pt_spacing(len, fp);
1912 }
1913
1914 static int perf_sample__fprintf_synth_psb(struct perf_sample *sample, FILE *fp)
1915 {
1916         struct perf_synth_intel_psb *data = perf_sample__synth_ptr(sample);
1917         int len;
1918
1919         if (perf_sample__bad_synth_size(sample, *data))
1920                 return 0;
1921
1922         len = fprintf(fp, " psb offs: %#" PRIx64, data->offset);
1923         return len + perf_sample__fprintf_pt_spacing(len, fp);
1924 }
1925
1926 /* Intel PT Event Trace */
1927 static int perf_sample__fprintf_synth_evt(struct perf_sample *sample, FILE *fp)
1928 {
1929         struct perf_synth_intel_evt *data = perf_sample__synth_ptr(sample);
1930         const char *cfe[32] = {NULL, "INTR", "IRET", "SMI", "RSM", "SIPI",
1931                                "INIT", "VMENTRY", "VMEXIT", "VMEXIT_INTR",
1932                                "SHUTDOWN", NULL, "UINTR", "UIRET"};
1933         const char *evd[64] = {"PFA", "VMXQ", "VMXR"};
1934         const char *s;
1935         int len, i;
1936
1937         if (perf_sample__bad_synth_size(sample, *data))
1938                 return 0;
1939
1940         s = cfe[data->type];
1941         if (s) {
1942                 len = fprintf(fp, " cfe: %s IP: %d vector: %u",
1943                               s, data->ip, data->vector);
1944         } else {
1945                 len = fprintf(fp, " cfe: %u IP: %d vector: %u",
1946                               data->type, data->ip, data->vector);
1947         }
1948         for (i = 0; i < data->evd_cnt; i++) {
1949                 unsigned int et = data->evd[i].evd_type & 0x3f;
1950
1951                 s = evd[et];
1952                 if (s) {
1953                         len += fprintf(fp, " %s: %#" PRIx64,
1954                                        s, data->evd[i].payload);
1955                 } else {
1956                         len += fprintf(fp, " EVD_%u: %#" PRIx64,
1957                                        et, data->evd[i].payload);
1958                 }
1959         }
1960         return len + perf_sample__fprintf_pt_spacing(len, fp);
1961 }
1962
1963 static int perf_sample__fprintf_synth_iflag_chg(struct perf_sample *sample, FILE *fp)
1964 {
1965         struct perf_synth_intel_iflag_chg *data = perf_sample__synth_ptr(sample);
1966         int len;
1967
1968         if (perf_sample__bad_synth_size(sample, *data))
1969                 return 0;
1970
1971         len = fprintf(fp, " IFLAG: %d->%d %s branch", !data->iflag, data->iflag,
1972                       data->via_branch ? "via" : "non");
1973         return len + perf_sample__fprintf_pt_spacing(len, fp);
1974 }
1975
1976 static int perf_sample__fprintf_synth(struct perf_sample *sample,
1977                                       struct evsel *evsel, FILE *fp)
1978 {
1979         switch (evsel->core.attr.config) {
1980         case PERF_SYNTH_INTEL_PTWRITE:
1981                 return perf_sample__fprintf_synth_ptwrite(sample, fp);
1982         case PERF_SYNTH_INTEL_MWAIT:
1983                 return perf_sample__fprintf_synth_mwait(sample, fp);
1984         case PERF_SYNTH_INTEL_PWRE:
1985                 return perf_sample__fprintf_synth_pwre(sample, fp);
1986         case PERF_SYNTH_INTEL_EXSTOP:
1987                 return perf_sample__fprintf_synth_exstop(sample, fp);
1988         case PERF_SYNTH_INTEL_PWRX:
1989                 return perf_sample__fprintf_synth_pwrx(sample, fp);
1990         case PERF_SYNTH_INTEL_CBR:
1991                 return perf_sample__fprintf_synth_cbr(sample, fp);
1992         case PERF_SYNTH_INTEL_PSB:
1993                 return perf_sample__fprintf_synth_psb(sample, fp);
1994         case PERF_SYNTH_INTEL_EVT:
1995                 return perf_sample__fprintf_synth_evt(sample, fp);
1996         case PERF_SYNTH_INTEL_IFLAG_CHG:
1997                 return perf_sample__fprintf_synth_iflag_chg(sample, fp);
1998         default:
1999                 break;
2000         }
2001
2002         return 0;
2003 }
2004
2005 static int evlist__max_name_len(struct evlist *evlist)
2006 {
2007         struct evsel *evsel;
2008         int max = 0;
2009
2010         evlist__for_each_entry(evlist, evsel) {
2011                 int len = strlen(evsel__name(evsel));
2012
2013                 max = MAX(len, max);
2014         }
2015
2016         return max;
2017 }
2018
2019 static int data_src__fprintf(u64 data_src, FILE *fp)
2020 {
2021         struct mem_info mi = { .data_src.val = data_src };
2022         char decode[100];
2023         char out[100];
2024         static int maxlen;
2025         int len;
2026
2027         perf_script__meminfo_scnprintf(decode, 100, &mi);
2028
2029         len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
2030         if (maxlen < len)
2031                 maxlen = len;
2032
2033         return fprintf(fp, "%-*s", maxlen, out);
2034 }
2035
2036 struct metric_ctx {
2037         struct perf_sample      *sample;
2038         struct thread           *thread;
2039         struct evsel    *evsel;
2040         FILE                    *fp;
2041 };
2042
2043 static void script_print_metric(struct perf_stat_config *config __maybe_unused,
2044                                 void *ctx, const char *color,
2045                                 const char *fmt,
2046                                 const char *unit, double val)
2047 {
2048         struct metric_ctx *mctx = ctx;
2049
2050         if (!fmt)
2051                 return;
2052         perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
2053                                    PERF_RECORD_SAMPLE, mctx->fp);
2054         fputs("\tmetric: ", mctx->fp);
2055         if (color)
2056                 color_fprintf(mctx->fp, color, fmt, val);
2057         else
2058                 printf(fmt, val);
2059         fprintf(mctx->fp, " %s\n", unit);
2060 }
2061
2062 static void script_new_line(struct perf_stat_config *config __maybe_unused,
2063                             void *ctx)
2064 {
2065         struct metric_ctx *mctx = ctx;
2066
2067         perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
2068                                    PERF_RECORD_SAMPLE, mctx->fp);
2069         fputs("\tmetric: ", mctx->fp);
2070 }
2071
2072 static void perf_sample__fprint_metric(struct perf_script *script,
2073                                        struct thread *thread,
2074                                        struct evsel *evsel,
2075                                        struct perf_sample *sample,
2076                                        FILE *fp)
2077 {
2078         struct evsel *leader = evsel__leader(evsel);
2079         struct perf_stat_output_ctx ctx = {
2080                 .print_metric = script_print_metric,
2081                 .new_line = script_new_line,
2082                 .ctx = &(struct metric_ctx) {
2083                                 .sample = sample,
2084                                 .thread = thread,
2085                                 .evsel  = evsel,
2086                                 .fp     = fp,
2087                          },
2088                 .force_header = false,
2089         };
2090         struct evsel *ev2;
2091         u64 val;
2092
2093         if (!evsel->stats)
2094                 evlist__alloc_stats(&stat_config, script->session->evlist, /*alloc_raw=*/false);
2095         if (evsel_script(leader)->gnum++ == 0)
2096                 perf_stat__reset_shadow_stats();
2097         val = sample->period * evsel->scale;
2098         evsel_script(evsel)->val = val;
2099         if (evsel_script(leader)->gnum == leader->core.nr_members) {
2100                 for_each_group_member (ev2, leader) {
2101                         perf_stat__print_shadow_stats(&stat_config, ev2,
2102                                                       evsel_script(ev2)->val,
2103                                                       sample->cpu,
2104                                                       &ctx,
2105                                                       NULL);
2106                 }
2107                 evsel_script(leader)->gnum = 0;
2108         }
2109 }
2110
2111 static bool show_event(struct perf_sample *sample,
2112                        struct evsel *evsel,
2113                        struct thread *thread,
2114                        struct addr_location *al,
2115                        struct addr_location *addr_al)
2116 {
2117         int depth = thread_stack__depth(thread, sample->cpu);
2118
2119         if (!symbol_conf.graph_function)
2120                 return true;
2121
2122         if (thread__filter(thread)) {
2123                 if (depth <= thread__filter_entry_depth(thread)) {
2124                         thread__set_filter(thread, false);
2125                         return false;
2126                 }
2127                 return true;
2128         } else {
2129                 const char *s = symbol_conf.graph_function;
2130                 u64 ip;
2131                 const char *name = resolve_branch_sym(sample, evsel, thread, al, addr_al,
2132                                 &ip);
2133                 unsigned nlen;
2134
2135                 if (!name)
2136                         return false;
2137                 nlen = strlen(name);
2138                 while (*s) {
2139                         unsigned len = strcspn(s, ",");
2140                         if (nlen == len && !strncmp(name, s, len)) {
2141                                 thread__set_filter(thread, true);
2142                                 thread__set_filter_entry_depth(thread, depth);
2143                                 return true;
2144                         }
2145                         s += len;
2146                         if (*s == ',')
2147                                 s++;
2148                 }
2149                 return false;
2150         }
2151 }
2152
2153 static void process_event(struct perf_script *script,
2154                           struct perf_sample *sample, struct evsel *evsel,
2155                           struct addr_location *al,
2156                           struct addr_location *addr_al,
2157                           struct machine *machine)
2158 {
2159         struct thread *thread = al->thread;
2160         struct perf_event_attr *attr = &evsel->core.attr;
2161         unsigned int type = output_type(attr->type);
2162         struct evsel_script *es = evsel->priv;
2163         FILE *fp = es->fp;
2164         char str[PAGE_SIZE_NAME_LEN];
2165         const char *arch = perf_env__arch(machine->env);
2166
2167         if (output[type].fields == 0)
2168                 return;
2169
2170         ++es->samples;
2171
2172         perf_sample__fprintf_start(script, sample, thread, evsel,
2173                                    PERF_RECORD_SAMPLE, fp);
2174
2175         if (PRINT_FIELD(PERIOD))
2176                 fprintf(fp, "%10" PRIu64 " ", sample->period);
2177
2178         if (PRINT_FIELD(EVNAME)) {
2179                 const char *evname = evsel__name(evsel);
2180
2181                 if (!script->name_width)
2182                         script->name_width = evlist__max_name_len(script->session->evlist);
2183
2184                 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
2185         }
2186
2187         if (print_flags)
2188                 perf_sample__fprintf_flags(sample->flags, fp);
2189
2190         if (is_bts_event(attr)) {
2191                 perf_sample__fprintf_bts(sample, evsel, thread, al, addr_al, machine, fp);
2192                 return;
2193         }
2194 #ifdef HAVE_LIBTRACEEVENT
2195         if (PRINT_FIELD(TRACE) && sample->raw_data) {
2196                 event_format__fprintf(evsel->tp_format, sample->cpu,
2197                                       sample->raw_data, sample->raw_size, fp);
2198         }
2199 #endif
2200         if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
2201                 perf_sample__fprintf_synth(sample, evsel, fp);
2202
2203         if (PRINT_FIELD(ADDR))
2204                 perf_sample__fprintf_addr(sample, thread, attr, fp);
2205
2206         if (PRINT_FIELD(DATA_SRC))
2207                 data_src__fprintf(sample->data_src, fp);
2208
2209         if (PRINT_FIELD(WEIGHT))
2210                 fprintf(fp, "%16" PRIu64, sample->weight);
2211
2212         if (PRINT_FIELD(INS_LAT))
2213                 fprintf(fp, "%16" PRIu16, sample->ins_lat);
2214
2215         if (PRINT_FIELD(RETIRE_LAT))
2216                 fprintf(fp, "%16" PRIu16, sample->retire_lat);
2217
2218         if (PRINT_FIELD(CGROUP)) {
2219                 const char *cgrp_name;
2220                 struct cgroup *cgrp = cgroup__find(machine->env,
2221                                                    sample->cgroup);
2222                 if (cgrp != NULL)
2223                         cgrp_name = cgrp->name;
2224                 else
2225                         cgrp_name = "unknown";
2226                 fprintf(fp, " %s", cgrp_name);
2227         }
2228
2229         if (PRINT_FIELD(IP)) {
2230                 struct callchain_cursor *cursor = NULL;
2231
2232                 if (script->stitch_lbr)
2233                         thread__set_lbr_stitch_enable(al->thread, true);
2234
2235                 if (symbol_conf.use_callchain && sample->callchain) {
2236                         cursor = get_tls_callchain_cursor();
2237                         if (thread__resolve_callchain(al->thread, cursor, evsel,
2238                                                       sample, NULL, NULL,
2239                                                       scripting_max_stack))
2240                                 cursor = NULL;
2241                 }
2242                 fputc(cursor ? '\n' : ' ', fp);
2243                 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor,
2244                                     symbol_conf.bt_stop_list, fp);
2245         }
2246
2247         if (PRINT_FIELD(IREGS))
2248                 perf_sample__fprintf_iregs(sample, attr, arch, fp);
2249
2250         if (PRINT_FIELD(UREGS))
2251                 perf_sample__fprintf_uregs(sample, attr, arch, fp);
2252
2253         if (PRINT_FIELD(BRSTACK))
2254                 perf_sample__fprintf_brstack(sample, thread, attr, fp);
2255         else if (PRINT_FIELD(BRSTACKSYM))
2256                 perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
2257         else if (PRINT_FIELD(BRSTACKOFF))
2258                 perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
2259
2260         if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
2261                 perf_sample__fprintf_bpf_output(sample, fp);
2262         perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
2263
2264         if (PRINT_FIELD(PHYS_ADDR))
2265                 fprintf(fp, "%16" PRIx64, sample->phys_addr);
2266
2267         if (PRINT_FIELD(DATA_PAGE_SIZE))
2268                 fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str));
2269
2270         if (PRINT_FIELD(CODE_PAGE_SIZE))
2271                 fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str));
2272
2273         perf_sample__fprintf_ipc(sample, attr, fp);
2274
2275         fprintf(fp, "\n");
2276
2277         if (PRINT_FIELD(SRCCODE)) {
2278                 if (map__fprintf_srccode(al->map, al->addr, stdout,
2279                                          thread__srccode_state(thread)))
2280                         printf("\n");
2281         }
2282
2283         if (PRINT_FIELD(METRIC))
2284                 perf_sample__fprint_metric(script, thread, evsel, sample, fp);
2285
2286         if (verbose > 0)
2287                 fflush(fp);
2288 }
2289
2290 static struct scripting_ops     *scripting_ops;
2291
2292 static void __process_stat(struct evsel *counter, u64 tstamp)
2293 {
2294         int nthreads = perf_thread_map__nr(counter->core.threads);
2295         int idx, thread;
2296         struct perf_cpu cpu;
2297         static int header_printed;
2298
2299         if (!header_printed) {
2300                 printf("%3s %8s %15s %15s %15s %15s %s\n",
2301                        "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
2302                 header_printed = 1;
2303         }
2304
2305         for (thread = 0; thread < nthreads; thread++) {
2306                 perf_cpu_map__for_each_cpu(cpu, idx, evsel__cpus(counter)) {
2307                         struct perf_counts_values *counts;
2308
2309                         counts = perf_counts(counter->counts, idx, thread);
2310
2311                         printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
2312                                 cpu.cpu,
2313                                 perf_thread_map__pid(counter->core.threads, thread),
2314                                 counts->val,
2315                                 counts->ena,
2316                                 counts->run,
2317                                 tstamp,
2318                                 evsel__name(counter));
2319                 }
2320         }
2321 }
2322
2323 static void process_stat(struct evsel *counter, u64 tstamp)
2324 {
2325         if (scripting_ops && scripting_ops->process_stat)
2326                 scripting_ops->process_stat(&stat_config, counter, tstamp);
2327         else
2328                 __process_stat(counter, tstamp);
2329 }
2330
2331 static void process_stat_interval(u64 tstamp)
2332 {
2333         if (scripting_ops && scripting_ops->process_stat_interval)
2334                 scripting_ops->process_stat_interval(tstamp);
2335 }
2336
2337 static void setup_scripting(void)
2338 {
2339 #ifdef HAVE_LIBTRACEEVENT
2340         setup_perl_scripting();
2341 #endif
2342         setup_python_scripting();
2343 }
2344
2345 static int flush_scripting(void)
2346 {
2347         return scripting_ops ? scripting_ops->flush_script() : 0;
2348 }
2349
2350 static int cleanup_scripting(void)
2351 {
2352         pr_debug("\nperf script stopped\n");
2353
2354         return scripting_ops ? scripting_ops->stop_script() : 0;
2355 }
2356
2357 static bool filter_cpu(struct perf_sample *sample)
2358 {
2359         if (cpu_list && sample->cpu != (u32)-1)
2360                 return !test_bit(sample->cpu, cpu_bitmap);
2361         return false;
2362 }
2363
2364 static int process_sample_event(struct perf_tool *tool,
2365                                 union perf_event *event,
2366                                 struct perf_sample *sample,
2367                                 struct evsel *evsel,
2368                                 struct machine *machine)
2369 {
2370         struct perf_script *scr = container_of(tool, struct perf_script, tool);
2371         struct addr_location al;
2372         struct addr_location addr_al;
2373         int ret = 0;
2374
2375         /* Set thread to NULL to indicate addr_al and al are not initialized */
2376         addr_location__init(&al);
2377         addr_location__init(&addr_al);
2378
2379         ret = dlfilter__filter_event_early(dlfilter, event, sample, evsel, machine, &al, &addr_al);
2380         if (ret) {
2381                 if (ret > 0)
2382                         ret = 0;
2383                 goto out_put;
2384         }
2385
2386         if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
2387                                           sample->time)) {
2388                 goto out_put;
2389         }
2390
2391         if (debug_mode) {
2392                 if (sample->time < last_timestamp) {
2393                         pr_err("Samples misordered, previous: %" PRIu64
2394                                 " this: %" PRIu64 "\n", last_timestamp,
2395                                 sample->time);
2396                         nr_unordered++;
2397                 }
2398                 last_timestamp = sample->time;
2399                 goto out_put;
2400         }
2401
2402         if (filter_cpu(sample))
2403                 goto out_put;
2404
2405         if (!al.thread && machine__resolve(machine, &al, sample) < 0) {
2406                 pr_err("problem processing %d event, skipping it.\n",
2407                        event->header.type);
2408                 ret = -1;
2409                 goto out_put;
2410         }
2411
2412         if (al.filtered)
2413                 goto out_put;
2414
2415         if (!show_event(sample, evsel, al.thread, &al, &addr_al))
2416                 goto out_put;
2417
2418         if (evswitch__discard(&scr->evswitch, evsel))
2419                 goto out_put;
2420
2421         ret = dlfilter__filter_event(dlfilter, event, sample, evsel, machine, &al, &addr_al);
2422         if (ret) {
2423                 if (ret > 0)
2424                         ret = 0;
2425                 goto out_put;
2426         }
2427
2428         if (scripting_ops) {
2429                 struct addr_location *addr_al_ptr = NULL;
2430
2431                 if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
2432                     sample_addr_correlates_sym(&evsel->core.attr)) {
2433                         if (!addr_al.thread)
2434                                 thread__resolve(al.thread, &addr_al, sample);
2435                         addr_al_ptr = &addr_al;
2436                 }
2437                 scripting_ops->process_event(event, sample, evsel, &al, addr_al_ptr);
2438         } else {
2439                 process_event(scr, sample, evsel, &al, &addr_al, machine);
2440         }
2441
2442 out_put:
2443         addr_location__exit(&addr_al);
2444         addr_location__exit(&al);
2445         return ret;
2446 }
2447
2448 // Used when scr->per_event_dump is not set
2449 static struct evsel_script es_stdout;
2450
2451 static int process_attr(struct perf_tool *tool, union perf_event *event,
2452                         struct evlist **pevlist)
2453 {
2454         struct perf_script *scr = container_of(tool, struct perf_script, tool);
2455         struct evlist *evlist;
2456         struct evsel *evsel, *pos;
2457         u64 sample_type;
2458         int err;
2459
2460         err = perf_event__process_attr(tool, event, pevlist);
2461         if (err)
2462                 return err;
2463
2464         evlist = *pevlist;
2465         evsel = evlist__last(*pevlist);
2466
2467         if (!evsel->priv) {
2468                 if (scr->per_event_dump) {
2469                         evsel->priv = evsel_script__new(evsel, scr->session->data);
2470                         if (!evsel->priv)
2471                                 return -ENOMEM;
2472                 } else { // Replicate what is done in perf_script__setup_per_event_dump()
2473                         es_stdout.fp = stdout;
2474                         evsel->priv = &es_stdout;
2475                 }
2476         }
2477
2478         if (evsel->core.attr.type >= PERF_TYPE_MAX &&
2479             evsel->core.attr.type != PERF_TYPE_SYNTH)
2480                 return 0;
2481
2482         evlist__for_each_entry(evlist, pos) {
2483                 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel)
2484                         return 0;
2485         }
2486
2487         if (evsel->core.attr.sample_type) {
2488                 err = evsel__check_attr(evsel, scr->session);
2489                 if (err)
2490                         return err;
2491         }
2492
2493         /*
2494          * Check if we need to enable callchains based
2495          * on events sample_type.
2496          */
2497         sample_type = evlist__combined_sample_type(evlist);
2498         callchain_param_setup(sample_type, perf_env__arch((*pevlist)->env));
2499
2500         /* Enable fields for callchain entries */
2501         if (symbol_conf.use_callchain &&
2502             (sample_type & PERF_SAMPLE_CALLCHAIN ||
2503              sample_type & PERF_SAMPLE_BRANCH_STACK ||
2504              (sample_type & PERF_SAMPLE_REGS_USER &&
2505               sample_type & PERF_SAMPLE_STACK_USER))) {
2506                 int type = output_type(evsel->core.attr.type);
2507
2508                 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP))
2509                         output[type].fields |= PERF_OUTPUT_IP;
2510                 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM))
2511                         output[type].fields |= PERF_OUTPUT_SYM;
2512         }
2513         set_print_ip_opts(&evsel->core.attr);
2514         return 0;
2515 }
2516
2517 static int print_event_with_time(struct perf_tool *tool,
2518                                  union perf_event *event,
2519                                  struct perf_sample *sample,
2520                                  struct machine *machine,
2521                                  pid_t pid, pid_t tid, u64 timestamp)
2522 {
2523         struct perf_script *script = container_of(tool, struct perf_script, tool);
2524         struct perf_session *session = script->session;
2525         struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id);
2526         struct thread *thread = NULL;
2527
2528         if (evsel && !evsel->core.attr.sample_id_all) {
2529                 sample->cpu = 0;
2530                 sample->time = timestamp;
2531                 sample->pid = pid;
2532                 sample->tid = tid;
2533         }
2534
2535         if (filter_cpu(sample))
2536                 return 0;
2537
2538         if (tid != -1)
2539                 thread = machine__findnew_thread(machine, pid, tid);
2540
2541         if (evsel) {
2542                 perf_sample__fprintf_start(script, sample, thread, evsel,
2543                                            event->header.type, stdout);
2544         }
2545
2546         perf_event__fprintf(event, machine, stdout);
2547
2548         thread__put(thread);
2549
2550         return 0;
2551 }
2552
2553 static int print_event(struct perf_tool *tool, union perf_event *event,
2554                        struct perf_sample *sample, struct machine *machine,
2555                        pid_t pid, pid_t tid)
2556 {
2557         return print_event_with_time(tool, event, sample, machine, pid, tid, 0);
2558 }
2559
2560 static int process_comm_event(struct perf_tool *tool,
2561                               union perf_event *event,
2562                               struct perf_sample *sample,
2563                               struct machine *machine)
2564 {
2565         if (perf_event__process_comm(tool, event, sample, machine) < 0)
2566                 return -1;
2567
2568         return print_event(tool, event, sample, machine, event->comm.pid,
2569                            event->comm.tid);
2570 }
2571
2572 static int process_namespaces_event(struct perf_tool *tool,
2573                                     union perf_event *event,
2574                                     struct perf_sample *sample,
2575                                     struct machine *machine)
2576 {
2577         if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
2578                 return -1;
2579
2580         return print_event(tool, event, sample, machine, event->namespaces.pid,
2581                            event->namespaces.tid);
2582 }
2583
2584 static int process_cgroup_event(struct perf_tool *tool,
2585                                 union perf_event *event,
2586                                 struct perf_sample *sample,
2587                                 struct machine *machine)
2588 {
2589         if (perf_event__process_cgroup(tool, event, sample, machine) < 0)
2590                 return -1;
2591
2592         return print_event(tool, event, sample, machine, sample->pid,
2593                             sample->tid);
2594 }
2595
2596 static int process_fork_event(struct perf_tool *tool,
2597                               union perf_event *event,
2598                               struct perf_sample *sample,
2599                               struct machine *machine)
2600 {
2601         if (perf_event__process_fork(tool, event, sample, machine) < 0)
2602                 return -1;
2603
2604         return print_event_with_time(tool, event, sample, machine,
2605                                      event->fork.pid, event->fork.tid,
2606                                      event->fork.time);
2607 }
2608 static int process_exit_event(struct perf_tool *tool,
2609                               union perf_event *event,
2610                               struct perf_sample *sample,
2611                               struct machine *machine)
2612 {
2613         /* Print before 'exit' deletes anything */
2614         if (print_event_with_time(tool, event, sample, machine, event->fork.pid,
2615                                   event->fork.tid, event->fork.time))
2616                 return -1;
2617
2618         return perf_event__process_exit(tool, event, sample, machine);
2619 }
2620
2621 static int process_mmap_event(struct perf_tool *tool,
2622                               union perf_event *event,
2623                               struct perf_sample *sample,
2624                               struct machine *machine)
2625 {
2626         if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2627                 return -1;
2628
2629         return print_event(tool, event, sample, machine, event->mmap.pid,
2630                            event->mmap.tid);
2631 }
2632
2633 static int process_mmap2_event(struct perf_tool *tool,
2634                               union perf_event *event,
2635                               struct perf_sample *sample,
2636                               struct machine *machine)
2637 {
2638         if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2639                 return -1;
2640
2641         return print_event(tool, event, sample, machine, event->mmap2.pid,
2642                            event->mmap2.tid);
2643 }
2644
2645 static int process_switch_event(struct perf_tool *tool,
2646                                 union perf_event *event,
2647                                 struct perf_sample *sample,
2648                                 struct machine *machine)
2649 {
2650         struct perf_script *script = container_of(tool, struct perf_script, tool);
2651
2652         if (perf_event__process_switch(tool, event, sample, machine) < 0)
2653                 return -1;
2654
2655         if (scripting_ops && scripting_ops->process_switch && !filter_cpu(sample))
2656                 scripting_ops->process_switch(event, sample, machine);
2657
2658         if (!script->show_switch_events)
2659                 return 0;
2660
2661         return print_event(tool, event, sample, machine, sample->pid,
2662                            sample->tid);
2663 }
2664
2665 static int process_auxtrace_error(struct perf_session *session,
2666                                   union perf_event *event)
2667 {
2668         if (scripting_ops && scripting_ops->process_auxtrace_error) {
2669                 scripting_ops->process_auxtrace_error(session, event);
2670                 return 0;
2671         }
2672
2673         return perf_event__process_auxtrace_error(session, event);
2674 }
2675
2676 static int
2677 process_lost_event(struct perf_tool *tool,
2678                    union perf_event *event,
2679                    struct perf_sample *sample,
2680                    struct machine *machine)
2681 {
2682         return print_event(tool, event, sample, machine, sample->pid,
2683                            sample->tid);
2684 }
2685
2686 static int
2687 process_throttle_event(struct perf_tool *tool __maybe_unused,
2688                        union perf_event *event,
2689                        struct perf_sample *sample,
2690                        struct machine *machine)
2691 {
2692         if (scripting_ops && scripting_ops->process_throttle)
2693                 scripting_ops->process_throttle(event, sample, machine);
2694         return 0;
2695 }
2696
2697 static int
2698 process_finished_round_event(struct perf_tool *tool __maybe_unused,
2699                              union perf_event *event,
2700                              struct ordered_events *oe __maybe_unused)
2701
2702 {
2703         perf_event__fprintf(event, NULL, stdout);
2704         return 0;
2705 }
2706
2707 static int
2708 process_bpf_events(struct perf_tool *tool __maybe_unused,
2709                    union perf_event *event,
2710                    struct perf_sample *sample,
2711                    struct machine *machine)
2712 {
2713         if (machine__process_ksymbol(machine, event, sample) < 0)
2714                 return -1;
2715
2716         return print_event(tool, event, sample, machine, sample->pid,
2717                            sample->tid);
2718 }
2719
2720 static int process_text_poke_events(struct perf_tool *tool,
2721                                     union perf_event *event,
2722                                     struct perf_sample *sample,
2723                                     struct machine *machine)
2724 {
2725         if (perf_event__process_text_poke(tool, event, sample, machine) < 0)
2726                 return -1;
2727
2728         return print_event(tool, event, sample, machine, sample->pid,
2729                            sample->tid);
2730 }
2731
2732 static void sig_handler(int sig __maybe_unused)
2733 {
2734         session_done = 1;
2735 }
2736
2737 static void perf_script__fclose_per_event_dump(struct perf_script *script)
2738 {
2739         struct evlist *evlist = script->session->evlist;
2740         struct evsel *evsel;
2741
2742         evlist__for_each_entry(evlist, evsel) {
2743                 if (!evsel->priv)
2744                         break;
2745                 evsel_script__delete(evsel->priv);
2746                 evsel->priv = NULL;
2747         }
2748 }
2749
2750 static int perf_script__fopen_per_event_dump(struct perf_script *script)
2751 {
2752         struct evsel *evsel;
2753
2754         evlist__for_each_entry(script->session->evlist, evsel) {
2755                 /*
2756                  * Already setup? I.e. we may be called twice in cases like
2757                  * Intel PT, one for the intel_pt// and dummy events, then
2758                  * for the evsels synthesized from the auxtrace info.
2759                  *
2760                  * Ses perf_script__process_auxtrace_info.
2761                  */
2762                 if (evsel->priv != NULL)
2763                         continue;
2764
2765                 evsel->priv = evsel_script__new(evsel, script->session->data);
2766                 if (evsel->priv == NULL)
2767                         goto out_err_fclose;
2768         }
2769
2770         return 0;
2771
2772 out_err_fclose:
2773         perf_script__fclose_per_event_dump(script);
2774         return -1;
2775 }
2776
2777 static int perf_script__setup_per_event_dump(struct perf_script *script)
2778 {
2779         struct evsel *evsel;
2780
2781         if (script->per_event_dump)
2782                 return perf_script__fopen_per_event_dump(script);
2783
2784         es_stdout.fp = stdout;
2785
2786         evlist__for_each_entry(script->session->evlist, evsel)
2787                 evsel->priv = &es_stdout;
2788
2789         return 0;
2790 }
2791
2792 static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2793 {
2794         struct evsel *evsel;
2795
2796         evlist__for_each_entry(script->session->evlist, evsel) {
2797                 struct evsel_script *es = evsel->priv;
2798
2799                 evsel_script__fprintf(es, stdout);
2800                 evsel_script__delete(es);
2801                 evsel->priv = NULL;
2802         }
2803 }
2804
2805 static void perf_script__exit(struct perf_script *script)
2806 {
2807         perf_thread_map__put(script->threads);
2808         perf_cpu_map__put(script->cpus);
2809 }
2810
2811 static int __cmd_script(struct perf_script *script)
2812 {
2813         int ret;
2814
2815         signal(SIGINT, sig_handler);
2816
2817         /* override event processing functions */
2818         if (script->show_task_events) {
2819                 script->tool.comm = process_comm_event;
2820                 script->tool.fork = process_fork_event;
2821                 script->tool.exit = process_exit_event;
2822         }
2823         if (script->show_mmap_events) {
2824                 script->tool.mmap = process_mmap_event;
2825                 script->tool.mmap2 = process_mmap2_event;
2826         }
2827         if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch))
2828                 script->tool.context_switch = process_switch_event;
2829         if (scripting_ops && scripting_ops->process_auxtrace_error)
2830                 script->tool.auxtrace_error = process_auxtrace_error;
2831         if (script->show_namespace_events)
2832                 script->tool.namespaces = process_namespaces_event;
2833         if (script->show_cgroup_events)
2834                 script->tool.cgroup = process_cgroup_event;
2835         if (script->show_lost_events)
2836                 script->tool.lost = process_lost_event;
2837         if (script->show_round_events) {
2838                 script->tool.ordered_events = false;
2839                 script->tool.finished_round = process_finished_round_event;
2840         }
2841         if (script->show_bpf_events) {
2842                 script->tool.ksymbol = process_bpf_events;
2843                 script->tool.bpf     = process_bpf_events;
2844         }
2845         if (script->show_text_poke_events) {
2846                 script->tool.ksymbol   = process_bpf_events;
2847                 script->tool.text_poke = process_text_poke_events;
2848         }
2849
2850         if (perf_script__setup_per_event_dump(script)) {
2851                 pr_err("Couldn't create the per event dump files\n");
2852                 return -1;
2853         }
2854
2855         ret = perf_session__process_events(script->session);
2856
2857         if (script->per_event_dump)
2858                 perf_script__exit_per_event_dump_stats(script);
2859
2860         if (debug_mode)
2861                 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2862
2863         return ret;
2864 }
2865
2866 struct script_spec {
2867         struct list_head        node;
2868         struct scripting_ops    *ops;
2869         char                    spec[];
2870 };
2871
2872 static LIST_HEAD(script_specs);
2873
2874 static struct script_spec *script_spec__new(const char *spec,
2875                                             struct scripting_ops *ops)
2876 {
2877         struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2878
2879         if (s != NULL) {
2880                 strcpy(s->spec, spec);
2881                 s->ops = ops;
2882         }
2883
2884         return s;
2885 }
2886
2887 static void script_spec__add(struct script_spec *s)
2888 {
2889         list_add_tail(&s->node, &script_specs);
2890 }
2891
2892 static struct script_spec *script_spec__find(const char *spec)
2893 {
2894         struct script_spec *s;
2895
2896         list_for_each_entry(s, &script_specs, node)
2897                 if (strcasecmp(s->spec, spec) == 0)
2898                         return s;
2899         return NULL;
2900 }
2901
2902 int script_spec_register(const char *spec, struct scripting_ops *ops)
2903 {
2904         struct script_spec *s;
2905
2906         s = script_spec__find(spec);
2907         if (s)
2908                 return -1;
2909
2910         s = script_spec__new(spec, ops);
2911         if (!s)
2912                 return -1;
2913         else
2914                 script_spec__add(s);
2915
2916         return 0;
2917 }
2918
2919 static struct scripting_ops *script_spec__lookup(const char *spec)
2920 {
2921         struct script_spec *s = script_spec__find(spec);
2922         if (!s)
2923                 return NULL;
2924
2925         return s->ops;
2926 }
2927
2928 static void list_available_languages(void)
2929 {
2930         struct script_spec *s;
2931
2932         fprintf(stderr, "\n");
2933         fprintf(stderr, "Scripting language extensions (used in "
2934                 "perf script -s [spec:]script.[spec]):\n\n");
2935
2936         list_for_each_entry(s, &script_specs, node)
2937                 fprintf(stderr, "  %-42s [%s]\n", s->spec, s->ops->name);
2938
2939         fprintf(stderr, "\n");
2940 }
2941
2942 /* Find script file relative to current directory or exec path */
2943 static char *find_script(const char *script)
2944 {
2945         char path[PATH_MAX];
2946
2947         if (!scripting_ops) {
2948                 const char *ext = strrchr(script, '.');
2949
2950                 if (!ext)
2951                         return NULL;
2952
2953                 scripting_ops = script_spec__lookup(++ext);
2954                 if (!scripting_ops)
2955                         return NULL;
2956         }
2957
2958         if (access(script, R_OK)) {
2959                 char *exec_path = get_argv_exec_path();
2960
2961                 if (!exec_path)
2962                         return NULL;
2963                 snprintf(path, sizeof(path), "%s/scripts/%s/%s",
2964                          exec_path, scripting_ops->dirname, script);
2965                 free(exec_path);
2966                 script = path;
2967                 if (access(script, R_OK))
2968                         return NULL;
2969         }
2970         return strdup(script);
2971 }
2972
2973 static int parse_scriptname(const struct option *opt __maybe_unused,
2974                             const char *str, int unset __maybe_unused)
2975 {
2976         char spec[PATH_MAX];
2977         const char *script, *ext;
2978         int len;
2979
2980         if (strcmp(str, "lang") == 0) {
2981                 list_available_languages();
2982                 exit(0);
2983         }
2984
2985         script = strchr(str, ':');
2986         if (script) {
2987                 len = script - str;
2988                 if (len >= PATH_MAX) {
2989                         fprintf(stderr, "invalid language specifier");
2990                         return -1;
2991                 }
2992                 strncpy(spec, str, len);
2993                 spec[len] = '\0';
2994                 scripting_ops = script_spec__lookup(spec);
2995                 if (!scripting_ops) {
2996                         fprintf(stderr, "invalid language specifier");
2997                         return -1;
2998                 }
2999                 script++;
3000         } else {
3001                 script = str;
3002                 ext = strrchr(script, '.');
3003                 if (!ext) {
3004                         fprintf(stderr, "invalid script extension");
3005                         return -1;
3006                 }
3007                 scripting_ops = script_spec__lookup(++ext);
3008                 if (!scripting_ops) {
3009                         fprintf(stderr, "invalid script extension");
3010                         return -1;
3011                 }
3012         }
3013
3014         script_name = find_script(script);
3015         if (!script_name)
3016                 script_name = strdup(script);
3017
3018         return 0;
3019 }
3020
3021 static int parse_output_fields(const struct option *opt __maybe_unused,
3022                             const char *arg, int unset __maybe_unused)
3023 {
3024         char *tok, *strtok_saveptr = NULL;
3025         int i, imax = ARRAY_SIZE(all_output_options);
3026         int j;
3027         int rc = 0;
3028         char *str = strdup(arg);
3029         int type = -1;
3030         enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
3031
3032         if (!str)
3033                 return -ENOMEM;
3034
3035         /* first word can state for which event type the user is specifying
3036          * the fields. If no type exists, the specified fields apply to all
3037          * event types found in the file minus the invalid fields for a type.
3038          */
3039         tok = strchr(str, ':');
3040         if (tok) {
3041                 *tok = '\0';
3042                 tok++;
3043                 if (!strcmp(str, "hw"))
3044                         type = PERF_TYPE_HARDWARE;
3045                 else if (!strcmp(str, "sw"))
3046                         type = PERF_TYPE_SOFTWARE;
3047                 else if (!strcmp(str, "trace"))
3048                         type = PERF_TYPE_TRACEPOINT;
3049                 else if (!strcmp(str, "raw"))
3050                         type = PERF_TYPE_RAW;
3051                 else if (!strcmp(str, "break"))
3052                         type = PERF_TYPE_BREAKPOINT;
3053                 else if (!strcmp(str, "synth"))
3054                         type = OUTPUT_TYPE_SYNTH;
3055                 else {
3056                         fprintf(stderr, "Invalid event type in field string.\n");
3057                         rc = -EINVAL;
3058                         goto out;
3059                 }
3060
3061                 if (output[type].user_set)
3062                         pr_warning("Overriding previous field request for %s events.\n",
3063                                    event_type(type));
3064
3065                 /* Don't override defaults for +- */
3066                 if (strchr(tok, '+') || strchr(tok, '-'))
3067                         goto parse;
3068
3069                 output[type].fields = 0;
3070                 output[type].user_set = true;
3071                 output[type].wildcard_set = false;
3072
3073         } else {
3074                 tok = str;
3075                 if (strlen(str) == 0) {
3076                         fprintf(stderr,
3077                                 "Cannot set fields to 'none' for all event types.\n");
3078                         rc = -EINVAL;
3079                         goto out;
3080                 }
3081
3082                 /* Don't override defaults for +- */
3083                 if (strchr(str, '+') || strchr(str, '-'))
3084                         goto parse;
3085
3086                 if (output_set_by_user())
3087                         pr_warning("Overriding previous field request for all events.\n");
3088
3089                 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
3090                         output[j].fields = 0;
3091                         output[j].user_set = true;
3092                         output[j].wildcard_set = true;
3093                 }
3094         }
3095
3096 parse:
3097         for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
3098                 if (*tok == '+') {
3099                         if (change == SET)
3100                                 goto out_badmix;
3101                         change = ADD;
3102                         tok++;
3103                 } else if (*tok == '-') {
3104                         if (change == SET)
3105                                 goto out_badmix;
3106                         change = REMOVE;
3107                         tok++;
3108                 } else {
3109                         if (change != SET && change != DEFAULT)
3110                                 goto out_badmix;
3111                         change = SET;
3112                 }
3113
3114                 for (i = 0; i < imax; ++i) {
3115                         if (strcmp(tok, all_output_options[i].str) == 0)
3116                                 break;
3117                 }
3118                 if (i == imax && strcmp(tok, "flags") == 0) {
3119                         print_flags = change != REMOVE;
3120                         continue;
3121                 }
3122                 if (i == imax) {
3123                         fprintf(stderr, "Invalid field requested.\n");
3124                         rc = -EINVAL;
3125                         goto out;
3126                 }
3127 #ifndef HAVE_LIBCAPSTONE_SUPPORT
3128                 if (change != REMOVE && strcmp(tok, "disasm") == 0) {
3129                         fprintf(stderr, "Field \"disasm\" requires perf to be built with libcapstone support.\n");
3130                         rc = -EINVAL;
3131                         goto out;
3132                 }
3133 #endif
3134
3135                 if (type == -1) {
3136                         /* add user option to all events types for
3137                          * which it is valid
3138                          */
3139                         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
3140                                 if (output[j].invalid_fields & all_output_options[i].field) {
3141                                         pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
3142                                                    all_output_options[i].str, event_type(j));
3143                                 } else {
3144                                         if (change == REMOVE) {
3145                                                 output[j].fields &= ~all_output_options[i].field;
3146                                                 output[j].user_set_fields &= ~all_output_options[i].field;
3147                                                 output[j].user_unset_fields |= all_output_options[i].field;
3148                                         } else {
3149                                                 output[j].fields |= all_output_options[i].field;
3150                                                 output[j].user_set_fields |= all_output_options[i].field;
3151                                                 output[j].user_unset_fields &= ~all_output_options[i].field;
3152                                         }
3153                                         output[j].user_set = true;
3154                                         output[j].wildcard_set = true;
3155                                 }
3156                         }
3157                 } else {
3158                         if (output[type].invalid_fields & all_output_options[i].field) {
3159                                 fprintf(stderr, "\'%s\' not valid for %s events.\n",
3160                                          all_output_options[i].str, event_type(type));
3161
3162                                 rc = -EINVAL;
3163                                 goto out;
3164                         }
3165                         if (change == REMOVE)
3166                                 output[type].fields &= ~all_output_options[i].field;
3167                         else
3168                                 output[type].fields |= all_output_options[i].field;
3169                         output[type].user_set = true;
3170                         output[type].wildcard_set = true;
3171                 }
3172         }
3173
3174         if (type >= 0) {
3175                 if (output[type].fields == 0) {
3176                         pr_debug("No fields requested for %s type. "
3177                                  "Events will not be displayed.\n", event_type(type));
3178                 }
3179         }
3180         goto out;
3181
3182 out_badmix:
3183         fprintf(stderr, "Cannot mix +-field with overridden fields\n");
3184         rc = -EINVAL;
3185 out:
3186         free(str);
3187         return rc;
3188 }
3189
3190 #define for_each_lang(scripts_path, scripts_dir, lang_dirent)           \
3191         while ((lang_dirent = readdir(scripts_dir)) != NULL)            \
3192                 if ((lang_dirent->d_type == DT_DIR ||                   \
3193                      (lang_dirent->d_type == DT_UNKNOWN &&              \
3194                       is_directory(scripts_path, lang_dirent))) &&      \
3195                     (strcmp(lang_dirent->d_name, ".")) &&               \
3196                     (strcmp(lang_dirent->d_name, "..")))
3197
3198 #define for_each_script(lang_path, lang_dir, script_dirent)             \
3199         while ((script_dirent = readdir(lang_dir)) != NULL)             \
3200                 if (script_dirent->d_type != DT_DIR &&                  \
3201                     (script_dirent->d_type != DT_UNKNOWN ||             \
3202                      !is_directory(lang_path, script_dirent)))
3203
3204
3205 #define RECORD_SUFFIX                   "-record"
3206 #define REPORT_SUFFIX                   "-report"
3207
3208 struct script_desc {
3209         struct list_head        node;
3210         char                    *name;
3211         char                    *half_liner;
3212         char                    *args;
3213 };
3214
3215 static LIST_HEAD(script_descs);
3216
3217 static struct script_desc *script_desc__new(const char *name)
3218 {
3219         struct script_desc *s = zalloc(sizeof(*s));
3220
3221         if (s != NULL && name)
3222                 s->name = strdup(name);
3223
3224         return s;
3225 }
3226
3227 static void script_desc__delete(struct script_desc *s)
3228 {
3229         zfree(&s->name);
3230         zfree(&s->half_liner);
3231         zfree(&s->args);
3232         free(s);
3233 }
3234
3235 static void script_desc__add(struct script_desc *s)
3236 {
3237         list_add_tail(&s->node, &script_descs);
3238 }
3239
3240 static struct script_desc *script_desc__find(const char *name)
3241 {
3242         struct script_desc *s;
3243
3244         list_for_each_entry(s, &script_descs, node)
3245                 if (strcasecmp(s->name, name) == 0)
3246                         return s;
3247         return NULL;
3248 }
3249
3250 static struct script_desc *script_desc__findnew(const char *name)
3251 {
3252         struct script_desc *s = script_desc__find(name);
3253
3254         if (s)
3255                 return s;
3256
3257         s = script_desc__new(name);
3258         if (!s)
3259                 return NULL;
3260
3261         script_desc__add(s);
3262
3263         return s;
3264 }
3265
3266 static const char *ends_with(const char *str, const char *suffix)
3267 {
3268         size_t suffix_len = strlen(suffix);
3269         const char *p = str;
3270
3271         if (strlen(str) > suffix_len) {
3272                 p = str + strlen(str) - suffix_len;
3273                 if (!strncmp(p, suffix, suffix_len))
3274                         return p;
3275         }
3276
3277         return NULL;
3278 }
3279
3280 static int read_script_info(struct script_desc *desc, const char *filename)
3281 {
3282         char line[BUFSIZ], *p;
3283         FILE *fp;
3284
3285         fp = fopen(filename, "r");
3286         if (!fp)
3287                 return -1;
3288
3289         while (fgets(line, sizeof(line), fp)) {
3290                 p = skip_spaces(line);
3291                 if (strlen(p) == 0)
3292                         continue;
3293                 if (*p != '#')
3294                         continue;
3295                 p++;
3296                 if (strlen(p) && *p == '!')
3297                         continue;
3298
3299                 p = skip_spaces(p);
3300                 if (strlen(p) && p[strlen(p) - 1] == '\n')
3301                         p[strlen(p) - 1] = '\0';
3302
3303                 if (!strncmp(p, "description:", strlen("description:"))) {
3304                         p += strlen("description:");
3305                         desc->half_liner = strdup(skip_spaces(p));
3306                         continue;
3307                 }
3308
3309                 if (!strncmp(p, "args:", strlen("args:"))) {
3310                         p += strlen("args:");
3311                         desc->args = strdup(skip_spaces(p));
3312                         continue;
3313                 }
3314         }
3315
3316         fclose(fp);
3317
3318         return 0;
3319 }
3320
3321 static char *get_script_root(struct dirent *script_dirent, const char *suffix)
3322 {
3323         char *script_root, *str;
3324
3325         script_root = strdup(script_dirent->d_name);
3326         if (!script_root)
3327                 return NULL;
3328
3329         str = (char *)ends_with(script_root, suffix);
3330         if (!str) {
3331                 free(script_root);
3332                 return NULL;
3333         }
3334
3335         *str = '\0';
3336         return script_root;
3337 }
3338
3339 static int list_available_scripts(const struct option *opt __maybe_unused,
3340                                   const char *s __maybe_unused,
3341                                   int unset __maybe_unused)
3342 {
3343         struct dirent *script_dirent, *lang_dirent;
3344         char *buf, *scripts_path, *script_path, *lang_path, *first_half;
3345         DIR *scripts_dir, *lang_dir;
3346         struct script_desc *desc;
3347         char *script_root;
3348
3349         buf = malloc(3 * MAXPATHLEN + BUFSIZ);
3350         if (!buf) {
3351                 pr_err("malloc failed\n");
3352                 exit(-1);
3353         }
3354         scripts_path = buf;
3355         script_path = buf + MAXPATHLEN;
3356         lang_path = buf + 2 * MAXPATHLEN;
3357         first_half = buf + 3 * MAXPATHLEN;
3358
3359         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3360
3361         scripts_dir = opendir(scripts_path);
3362         if (!scripts_dir) {
3363                 fprintf(stdout,
3364                         "open(%s) failed.\n"
3365                         "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
3366                         scripts_path);
3367                 free(buf);
3368                 exit(-1);
3369         }
3370
3371         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3372                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3373                           lang_dirent->d_name);
3374                 lang_dir = opendir(lang_path);
3375                 if (!lang_dir)
3376                         continue;
3377
3378                 for_each_script(lang_path, lang_dir, script_dirent) {
3379                         script_root = get_script_root(script_dirent, REPORT_SUFFIX);
3380                         if (script_root) {
3381                                 desc = script_desc__findnew(script_root);
3382                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3383                                           lang_path, script_dirent->d_name);
3384                                 read_script_info(desc, script_path);
3385                                 free(script_root);
3386                         }
3387                 }
3388         }
3389
3390         fprintf(stdout, "List of available trace scripts:\n");
3391         list_for_each_entry(desc, &script_descs, node) {
3392                 sprintf(first_half, "%s %s", desc->name,
3393                         desc->args ? desc->args : "");
3394                 fprintf(stdout, "  %-36s %s\n", first_half,
3395                         desc->half_liner ? desc->half_liner : "");
3396         }
3397
3398         free(buf);
3399         exit(0);
3400 }
3401
3402 static int add_dlarg(const struct option *opt __maybe_unused,
3403                      const char *s, int unset __maybe_unused)
3404 {
3405         char *arg = strdup(s);
3406         void *a;
3407
3408         if (!arg)
3409                 return -1;
3410
3411         a = realloc(dlargv, sizeof(dlargv[0]) * (dlargc + 1));
3412         if (!a) {
3413                 free(arg);
3414                 return -1;
3415         }
3416
3417         dlargv = a;
3418         dlargv[dlargc++] = arg;
3419
3420         return 0;
3421 }
3422
3423 static void free_dlarg(void)
3424 {
3425         while (dlargc--)
3426                 free(dlargv[dlargc]);
3427         free(dlargv);
3428 }
3429
3430 /*
3431  * Some scripts specify the required events in their "xxx-record" file,
3432  * this function will check if the events in perf.data match those
3433  * mentioned in the "xxx-record".
3434  *
3435  * Fixme: All existing "xxx-record" are all in good formats "-e event ",
3436  * which is covered well now. And new parsing code should be added to
3437  * cover the future complex formats like event groups etc.
3438  */
3439 static int check_ev_match(char *dir_name, char *scriptname,
3440                         struct perf_session *session)
3441 {
3442         char filename[MAXPATHLEN], evname[128];
3443         char line[BUFSIZ], *p;
3444         struct evsel *pos;
3445         int match, len;
3446         FILE *fp;
3447
3448         scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
3449
3450         fp = fopen(filename, "r");
3451         if (!fp)
3452                 return -1;
3453
3454         while (fgets(line, sizeof(line), fp)) {
3455                 p = skip_spaces(line);
3456                 if (*p == '#')
3457                         continue;
3458
3459                 while (strlen(p)) {
3460                         p = strstr(p, "-e");
3461                         if (!p)
3462                                 break;
3463
3464                         p += 2;
3465                         p = skip_spaces(p);
3466                         len = strcspn(p, " \t");
3467                         if (!len)
3468                                 break;
3469
3470                         snprintf(evname, len + 1, "%s", p);
3471
3472                         match = 0;
3473                         evlist__for_each_entry(session->evlist, pos) {
3474                                 if (!strcmp(evsel__name(pos), evname)) {
3475                                         match = 1;
3476                                         break;
3477                                 }
3478                         }
3479
3480                         if (!match) {
3481                                 fclose(fp);
3482                                 return -1;
3483                         }
3484                 }
3485         }
3486
3487         fclose(fp);
3488         return 0;
3489 }
3490
3491 /*
3492  * Return -1 if none is found, otherwise the actual scripts number.
3493  *
3494  * Currently the only user of this function is the script browser, which
3495  * will list all statically runnable scripts, select one, execute it and
3496  * show the output in a perf browser.
3497  */
3498 int find_scripts(char **scripts_array, char **scripts_path_array, int num,
3499                  int pathlen)
3500 {
3501         struct dirent *script_dirent, *lang_dirent;
3502         char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
3503         DIR *scripts_dir, *lang_dir;
3504         struct perf_session *session;
3505         struct perf_data data = {
3506                 .path = input_name,
3507                 .mode = PERF_DATA_MODE_READ,
3508         };
3509         char *temp;
3510         int i = 0;
3511
3512         session = perf_session__new(&data, NULL);
3513         if (IS_ERR(session))
3514                 return PTR_ERR(session);
3515
3516         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3517
3518         scripts_dir = opendir(scripts_path);
3519         if (!scripts_dir) {
3520                 perf_session__delete(session);
3521                 return -1;
3522         }
3523
3524         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3525                 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
3526                           lang_dirent->d_name);
3527 #ifndef HAVE_LIBPERL_SUPPORT
3528                 if (strstr(lang_path, "perl"))
3529                         continue;
3530 #endif
3531 #ifndef HAVE_LIBPYTHON_SUPPORT
3532                 if (strstr(lang_path, "python"))
3533                         continue;
3534 #endif
3535
3536                 lang_dir = opendir(lang_path);
3537                 if (!lang_dir)
3538                         continue;
3539
3540                 for_each_script(lang_path, lang_dir, script_dirent) {
3541                         /* Skip those real time scripts: xxxtop.p[yl] */
3542                         if (strstr(script_dirent->d_name, "top."))
3543                                 continue;
3544                         if (i >= num)
3545                                 break;
3546                         snprintf(scripts_path_array[i], pathlen, "%s/%s",
3547                                 lang_path,
3548                                 script_dirent->d_name);
3549                         temp = strchr(script_dirent->d_name, '.');
3550                         snprintf(scripts_array[i],
3551                                 (temp - script_dirent->d_name) + 1,
3552                                 "%s", script_dirent->d_name);
3553
3554                         if (check_ev_match(lang_path,
3555                                         scripts_array[i], session))
3556                                 continue;
3557
3558                         i++;
3559                 }
3560                 closedir(lang_dir);
3561         }
3562
3563         closedir(scripts_dir);
3564         perf_session__delete(session);
3565         return i;
3566 }
3567
3568 static char *get_script_path(const char *script_root, const char *suffix)
3569 {
3570         struct dirent *script_dirent, *lang_dirent;
3571         char scripts_path[MAXPATHLEN];
3572         char script_path[MAXPATHLEN];
3573         DIR *scripts_dir, *lang_dir;
3574         char lang_path[MAXPATHLEN];
3575         char *__script_root;
3576
3577         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3578
3579         scripts_dir = opendir(scripts_path);
3580         if (!scripts_dir)
3581                 return NULL;
3582
3583         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3584                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3585                           lang_dirent->d_name);
3586                 lang_dir = opendir(lang_path);
3587                 if (!lang_dir)
3588                         continue;
3589
3590                 for_each_script(lang_path, lang_dir, script_dirent) {
3591                         __script_root = get_script_root(script_dirent, suffix);
3592                         if (__script_root && !strcmp(script_root, __script_root)) {
3593                                 free(__script_root);
3594                                 closedir(scripts_dir);
3595                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3596                                           lang_path, script_dirent->d_name);
3597                                 closedir(lang_dir);
3598                                 return strdup(script_path);
3599                         }
3600                         free(__script_root);
3601                 }
3602                 closedir(lang_dir);
3603         }
3604         closedir(scripts_dir);
3605
3606         return NULL;
3607 }
3608
3609 static bool is_top_script(const char *script_path)
3610 {
3611         return ends_with(script_path, "top") != NULL;
3612 }
3613
3614 static int has_required_arg(char *script_path)
3615 {
3616         struct script_desc *desc;
3617         int n_args = 0;
3618         char *p;
3619
3620         desc = script_desc__new(NULL);
3621
3622         if (read_script_info(desc, script_path))
3623                 goto out;
3624
3625         if (!desc->args)
3626                 goto out;
3627
3628         for (p = desc->args; *p; p++)
3629                 if (*p == '<')
3630                         n_args++;
3631 out:
3632         script_desc__delete(desc);
3633
3634         return n_args;
3635 }
3636
3637 static int have_cmd(int argc, const char **argv)
3638 {
3639         char **__argv = malloc(sizeof(const char *) * argc);
3640
3641         if (!__argv) {
3642                 pr_err("malloc failed\n");
3643                 return -1;
3644         }
3645
3646         memcpy(__argv, argv, sizeof(const char *) * argc);
3647         argc = parse_options(argc, (const char **)__argv, record_options,
3648                              NULL, PARSE_OPT_STOP_AT_NON_OPTION);
3649         free(__argv);
3650
3651         system_wide = (argc == 0);
3652
3653         return 0;
3654 }
3655
3656 static void script__setup_sample_type(struct perf_script *script)
3657 {
3658         struct perf_session *session = script->session;
3659         u64 sample_type = evlist__combined_sample_type(session->evlist);
3660
3661         callchain_param_setup(sample_type, perf_env__arch(session->machines.host.env));
3662
3663         if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) {
3664                 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
3665                            "Please apply --call-graph lbr when recording.\n");
3666                 script->stitch_lbr = false;
3667         }
3668 }
3669
3670 static int process_stat_round_event(struct perf_session *session,
3671                                     union perf_event *event)
3672 {
3673         struct perf_record_stat_round *round = &event->stat_round;
3674         struct evsel *counter;
3675
3676         evlist__for_each_entry(session->evlist, counter) {
3677                 perf_stat_process_counter(&stat_config, counter);
3678                 process_stat(counter, round->time);
3679         }
3680
3681         process_stat_interval(round->time);
3682         return 0;
3683 }
3684
3685 static int process_stat_config_event(struct perf_session *session __maybe_unused,
3686                                      union perf_event *event)
3687 {
3688         perf_event__read_stat_config(&stat_config, &event->stat_config);
3689
3690         /*
3691          * Aggregation modes are not used since post-processing scripts are
3692          * supposed to take care of such requirements
3693          */
3694         stat_config.aggr_mode = AGGR_NONE;
3695
3696         return 0;
3697 }
3698
3699 static int set_maps(struct perf_script *script)
3700 {
3701         struct evlist *evlist = script->session->evlist;
3702
3703         if (!script->cpus || !script->threads)
3704                 return 0;
3705
3706         if (WARN_ONCE(script->allocated, "stats double allocation\n"))
3707                 return -EINVAL;
3708
3709         perf_evlist__set_maps(&evlist->core, script->cpus, script->threads);
3710
3711         if (evlist__alloc_stats(&stat_config, evlist, /*alloc_raw=*/true))
3712                 return -ENOMEM;
3713
3714         script->allocated = true;
3715         return 0;
3716 }
3717
3718 static
3719 int process_thread_map_event(struct perf_session *session,
3720                              union perf_event *event)
3721 {
3722         struct perf_tool *tool = session->tool;
3723         struct perf_script *script = container_of(tool, struct perf_script, tool);
3724
3725         if (dump_trace)
3726                 perf_event__fprintf_thread_map(event, stdout);
3727
3728         if (script->threads) {
3729                 pr_warning("Extra thread map event, ignoring.\n");
3730                 return 0;
3731         }
3732
3733         script->threads = thread_map__new_event(&event->thread_map);
3734         if (!script->threads)
3735                 return -ENOMEM;
3736
3737         return set_maps(script);
3738 }
3739
3740 static
3741 int process_cpu_map_event(struct perf_session *session,
3742                           union perf_event *event)
3743 {
3744         struct perf_tool *tool = session->tool;
3745         struct perf_script *script = container_of(tool, struct perf_script, tool);
3746
3747         if (dump_trace)
3748                 perf_event__fprintf_cpu_map(event, stdout);
3749
3750         if (script->cpus) {
3751                 pr_warning("Extra cpu map event, ignoring.\n");
3752                 return 0;
3753         }
3754
3755         script->cpus = cpu_map__new_data(&event->cpu_map.data);
3756         if (!script->cpus)
3757                 return -ENOMEM;
3758
3759         return set_maps(script);
3760 }
3761
3762 static int process_feature_event(struct perf_session *session,
3763                                  union perf_event *event)
3764 {
3765         if (event->feat.feat_id < HEADER_LAST_FEATURE)
3766                 return perf_event__process_feature(session, event);
3767         return 0;
3768 }
3769
3770 #ifdef HAVE_AUXTRACE_SUPPORT
3771 static int perf_script__process_auxtrace_info(struct perf_session *session,
3772                                               union perf_event *event)
3773 {
3774         struct perf_tool *tool = session->tool;
3775
3776         int ret = perf_event__process_auxtrace_info(session, event);
3777
3778         if (ret == 0) {
3779                 struct perf_script *script = container_of(tool, struct perf_script, tool);
3780
3781                 ret = perf_script__setup_per_event_dump(script);
3782         }
3783
3784         return ret;
3785 }
3786 #else
3787 #define perf_script__process_auxtrace_info 0
3788 #endif
3789
3790 static int parse_insn_trace(const struct option *opt __maybe_unused,
3791                             const char *str, int unset __maybe_unused)
3792 {
3793         const char *fields = "+insn,-event,-period";
3794         int ret;
3795
3796         if (str) {
3797                 if (strcmp(str, "disasm") == 0)
3798                         fields = "+disasm,-event,-period";
3799                 else if (strlen(str) != 0 && strcmp(str, "raw") != 0) {
3800                         fprintf(stderr, "Only accept raw|disasm\n");
3801                         return -EINVAL;
3802                 }
3803         }
3804
3805         ret = parse_output_fields(NULL, fields, 0);
3806         if (ret < 0)
3807                 return ret;
3808
3809         itrace_parse_synth_opts(opt, "i0ns", 0);
3810         symbol_conf.nanosecs = true;
3811         return 0;
3812 }
3813
3814 static int parse_xed(const struct option *opt __maybe_unused,
3815                      const char *str __maybe_unused,
3816                      int unset __maybe_unused)
3817 {
3818         if (isatty(1))
3819                 force_pager("xed -F insn: -A -64 | less");
3820         else
3821                 force_pager("xed -F insn: -A -64");
3822         return 0;
3823 }
3824
3825 static int parse_call_trace(const struct option *opt __maybe_unused,
3826                             const char *str __maybe_unused,
3827                             int unset __maybe_unused)
3828 {
3829         parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
3830         itrace_parse_synth_opts(opt, "cewp", 0);
3831         symbol_conf.nanosecs = true;
3832         symbol_conf.pad_output_len_dso = 50;
3833         return 0;
3834 }
3835
3836 static int parse_callret_trace(const struct option *opt __maybe_unused,
3837                             const char *str __maybe_unused,
3838                             int unset __maybe_unused)
3839 {
3840         parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
3841         itrace_parse_synth_opts(opt, "crewp", 0);
3842         symbol_conf.nanosecs = true;
3843         return 0;
3844 }
3845
3846 int cmd_script(int argc, const char **argv)
3847 {
3848         bool show_full_info = false;
3849         bool header = false;
3850         bool header_only = false;
3851         bool script_started = false;
3852         bool unsorted_dump = false;
3853         char *rec_script_path = NULL;
3854         char *rep_script_path = NULL;
3855         struct perf_session *session;
3856         struct itrace_synth_opts itrace_synth_opts = {
3857                 .set = false,
3858                 .default_no_sample = true,
3859         };
3860         struct utsname uts;
3861         char *script_path = NULL;
3862         const char *dlfilter_file = NULL;
3863         const char **__argv;
3864         int i, j, err = 0;
3865         struct perf_script script = {
3866                 .tool = {
3867                         .sample          = process_sample_event,
3868                         .mmap            = perf_event__process_mmap,
3869                         .mmap2           = perf_event__process_mmap2,
3870                         .comm            = perf_event__process_comm,
3871                         .namespaces      = perf_event__process_namespaces,
3872                         .cgroup          = perf_event__process_cgroup,
3873                         .exit            = perf_event__process_exit,
3874                         .fork            = perf_event__process_fork,
3875                         .attr            = process_attr,
3876                         .event_update   = perf_event__process_event_update,
3877 #ifdef HAVE_LIBTRACEEVENT
3878                         .tracing_data    = perf_event__process_tracing_data,
3879 #endif
3880                         .feature         = process_feature_event,
3881                         .build_id        = perf_event__process_build_id,
3882                         .id_index        = perf_event__process_id_index,
3883                         .auxtrace_info   = perf_script__process_auxtrace_info,
3884                         .auxtrace        = perf_event__process_auxtrace,
3885                         .auxtrace_error  = perf_event__process_auxtrace_error,
3886                         .stat            = perf_event__process_stat_event,
3887                         .stat_round      = process_stat_round_event,
3888                         .stat_config     = process_stat_config_event,
3889                         .thread_map      = process_thread_map_event,
3890                         .cpu_map         = process_cpu_map_event,
3891                         .throttle        = process_throttle_event,
3892                         .unthrottle      = process_throttle_event,
3893                         .ordered_events  = true,
3894                         .ordering_requires_timestamps = true,
3895                 },
3896         };
3897         struct perf_data data = {
3898                 .mode = PERF_DATA_MODE_READ,
3899         };
3900         const struct option options[] = {
3901         OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3902                     "dump raw trace in ASCII"),
3903         OPT_BOOLEAN(0, "dump-unsorted-raw-trace", &unsorted_dump,
3904                     "dump unsorted raw trace in ASCII"),
3905         OPT_INCR('v', "verbose", &verbose,
3906                  "be more verbose (show symbol address, etc)"),
3907         OPT_BOOLEAN('L', "Latency", &latency_format,
3908                     "show latency attributes (irqs/preemption disabled, etc)"),
3909         OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3910                            list_available_scripts),
3911         OPT_CALLBACK_NOOPT(0, "list-dlfilters", NULL, NULL, "list available dlfilters",
3912                            list_available_dlfilters),
3913         OPT_CALLBACK('s', "script", NULL, "name",
3914                      "script file name (lang:script name, script name, or *)",
3915                      parse_scriptname),
3916         OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3917                    "generate perf-script.xx script in specified language"),
3918         OPT_STRING(0, "dlfilter", &dlfilter_file, "file", "filter .so file name"),
3919         OPT_CALLBACK(0, "dlarg", NULL, "argument", "filter argument",
3920                      add_dlarg),
3921         OPT_STRING('i', "input", &input_name, "file", "input file name"),
3922         OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3923                    "do various checks like samples ordering and lost events"),
3924         OPT_BOOLEAN(0, "header", &header, "Show data header."),
3925         OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3926         OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3927                    "file", "vmlinux pathname"),
3928         OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3929                    "file", "kallsyms pathname"),
3930         OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3931                     "When printing symbols do not display call chain"),
3932         OPT_CALLBACK(0, "symfs", NULL, "directory",
3933                      "Look for files with symbols relative to this directory",
3934                      symbol__config_symfs),
3935         OPT_CALLBACK('F', "fields", NULL, "str",
3936                      "comma separated output fields prepend with 'type:'. "
3937                      "+field to add and -field to remove."
3938                      "Valid types: hw,sw,trace,raw,synth. "
3939                      "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,dsoff,"
3940                      "addr,symoff,srcline,period,iregs,uregs,brstack,"
3941                      "brstacksym,flags,data_src,weight,bpf-output,brstackinsn,"
3942                      "brstackinsnlen,brstackoff,callindent,insn,disasm,insnlen,synth,"
3943                      "phys_addr,metric,misc,srccode,ipc,tod,data_page_size,"
3944                      "code_page_size,ins_lat,machine_pid,vcpu,cgroup,retire_lat",
3945                      parse_output_fields),
3946         OPT_BOOLEAN('a', "all-cpus", &system_wide,
3947                     "system-wide collection from all CPUs"),
3948         OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
3949                    "only consider symbols in these DSOs"),
3950         OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3951                    "only consider these symbols"),
3952         OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range,
3953                     "Use with -S to list traced records within address range"),
3954         OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, "raw|disasm",
3955                         "Decode instructions from itrace", parse_insn_trace),
3956         OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
3957                         "Run xed disassembler on output", parse_xed),
3958         OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
3959                         "Decode calls from itrace", parse_call_trace),
3960         OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
3961                         "Decode calls and returns from itrace", parse_callret_trace),
3962         OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",
3963                         "Only print symbols and callees with --call-trace/--call-ret-trace"),
3964         OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3965                    "Stop display of callgraph at these symbols"),
3966         OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3967         OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3968                    "only display events for these comms"),
3969         OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3970                    "only consider symbols in these pids"),
3971         OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3972                    "only consider symbols in these tids"),
3973         OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3974                      "Set the maximum stack depth when parsing the callchain, "
3975                      "anything beyond the specified depth will be ignored. "
3976                      "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3977         OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"),
3978         OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"),
3979         OPT_BOOLEAN('I', "show-info", &show_full_info,
3980                     "display extended information from perf.data file"),
3981         OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3982                     "Show the path of [kernel.kallsyms]"),
3983         OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3984                     "Show the fork/comm/exit events"),
3985         OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3986                     "Show the mmap events"),
3987         OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3988                     "Show context switch events (if recorded)"),
3989         OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3990                     "Show namespace events (if recorded)"),
3991         OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events,
3992                     "Show cgroup events (if recorded)"),
3993         OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3994                     "Show lost events (if recorded)"),
3995         OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3996                     "Show round events (if recorded)"),
3997         OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events,
3998                     "Show bpf related events (if recorded)"),
3999         OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events,
4000                     "Show text poke related events (if recorded)"),
4001         OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
4002                     "Dump trace output to files named by the monitored events"),
4003         OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
4004         OPT_INTEGER(0, "max-blocks", &max_blocks,
4005                     "Maximum number of code blocks to dump with brstackinsn"),
4006         OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs,
4007                     "Use 9 decimal places when displaying time"),
4008         OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
4009                             "Instruction Tracing options\n" ITRACE_HELP,
4010                             itrace_parse_synth_opts),
4011         OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
4012                         "Show full source file name path for source lines"),
4013         OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
4014                         "Enable symbol demangling"),
4015         OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
4016                         "Enable kernel symbol demangling"),
4017         OPT_STRING(0, "time", &script.time_str, "str",
4018                    "Time span of interest (start,stop)"),
4019         OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
4020                     "Show inline function"),
4021         OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
4022                    "guest mount directory under which every guest os"
4023                    " instance has a subdir"),
4024         OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name,
4025                    "file", "file saving guest os vmlinux"),
4026         OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms,
4027                    "file", "file saving guest os /proc/kallsyms"),
4028         OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
4029                    "file", "file saving guest os /proc/modules"),
4030         OPT_BOOLEAN(0, "guest-code", &symbol_conf.guest_code,
4031                     "Guest code can be found in hypervisor process"),
4032         OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr,
4033                     "Enable LBR callgraph stitching approach"),
4034         OPTS_EVSWITCH(&script.evswitch),
4035         OPT_END()
4036         };
4037         const char * const script_subcommands[] = { "record", "report", NULL };
4038         const char *script_usage[] = {
4039                 "perf script [<options>]",
4040                 "perf script [<options>] record <script> [<record-options>] <command>",
4041                 "perf script [<options>] report <script> [script-args]",
4042                 "perf script [<options>] <script> [<record-options>] <command>",
4043                 "perf script [<options>] <top-script> [script-args]",
4044                 NULL
4045         };
4046
4047         perf_set_singlethreaded();
4048
4049         setup_scripting();
4050
4051         argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
4052                              PARSE_OPT_STOP_AT_NON_OPTION);
4053
4054         if (symbol_conf.guestmount ||
4055             symbol_conf.default_guest_vmlinux_name ||
4056             symbol_conf.default_guest_kallsyms ||
4057             symbol_conf.default_guest_modules ||
4058             symbol_conf.guest_code) {
4059                 /*
4060                  * Enable guest sample processing.
4061                  */
4062                 perf_guest = true;
4063         }
4064
4065         data.path  = input_name;
4066         data.force = symbol_conf.force;
4067
4068         if (unsorted_dump) {
4069                 dump_trace = true;
4070                 script.tool.ordered_events = false;
4071         }
4072
4073         if (symbol__validate_sym_arguments())
4074                 return -1;
4075
4076         if (argc > 1 && strlen(argv[0]) > 2 && strstarts("record", argv[0])) {
4077                 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
4078                 if (!rec_script_path)
4079                         return cmd_record(argc, argv);
4080         }
4081
4082         if (argc > 1 && strlen(argv[0]) > 2 && strstarts("report", argv[0])) {
4083                 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
4084                 if (!rep_script_path) {
4085                         fprintf(stderr,
4086                                 "Please specify a valid report script"
4087                                 "(see 'perf script -l' for listing)\n");
4088                         return -1;
4089                 }
4090         }
4091
4092         if (reltime && deltatime) {
4093                 fprintf(stderr,
4094                         "reltime and deltatime - the two don't get along well. "
4095                         "Please limit to --reltime or --deltatime.\n");
4096                 return -1;
4097         }
4098
4099         if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) &&
4100             itrace_synth_opts.callchain_sz > scripting_max_stack)
4101                 scripting_max_stack = itrace_synth_opts.callchain_sz;
4102
4103         /* make sure PERF_EXEC_PATH is set for scripts */
4104         set_argv_exec_path(get_argv_exec_path());
4105
4106         if (argc && !script_name && !rec_script_path && !rep_script_path) {
4107                 int live_pipe[2];
4108                 int rep_args;
4109                 pid_t pid;
4110
4111                 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
4112                 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
4113
4114                 if (!rec_script_path && !rep_script_path) {
4115                         script_name = find_script(argv[0]);
4116                         if (script_name) {
4117                                 argc -= 1;
4118                                 argv += 1;
4119                                 goto script_found;
4120                         }
4121                         usage_with_options_msg(script_usage, options,
4122                                 "Couldn't find script `%s'\n\n See perf"
4123                                 " script -l for available scripts.\n", argv[0]);
4124                 }
4125
4126                 if (is_top_script(argv[0])) {
4127                         rep_args = argc - 1;
4128                 } else {
4129                         int rec_args;
4130
4131                         rep_args = has_required_arg(rep_script_path);
4132                         rec_args = (argc - 1) - rep_args;
4133                         if (rec_args < 0) {
4134                                 usage_with_options_msg(script_usage, options,
4135                                         "`%s' script requires options."
4136                                         "\n\n See perf script -l for available "
4137                                         "scripts and options.\n", argv[0]);
4138                         }
4139                 }
4140
4141                 if (pipe(live_pipe) < 0) {
4142                         perror("failed to create pipe");
4143                         return -1;
4144                 }
4145
4146                 pid = fork();
4147                 if (pid < 0) {
4148                         perror("failed to fork");
4149                         return -1;
4150                 }
4151
4152                 if (!pid) {
4153                         j = 0;
4154
4155                         dup2(live_pipe[1], 1);
4156                         close(live_pipe[0]);
4157
4158                         if (is_top_script(argv[0])) {
4159                                 system_wide = true;
4160                         } else if (!system_wide) {
4161                                 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
4162                                         err = -1;
4163                                         goto out;
4164                                 }
4165                         }
4166
4167                         __argv = malloc((argc + 6) * sizeof(const char *));
4168                         if (!__argv) {
4169                                 pr_err("malloc failed\n");
4170                                 err = -ENOMEM;
4171                                 goto out;
4172                         }
4173
4174                         __argv[j++] = "/bin/sh";
4175                         __argv[j++] = rec_script_path;
4176                         if (system_wide)
4177                                 __argv[j++] = "-a";
4178                         __argv[j++] = "-q";
4179                         __argv[j++] = "-o";
4180                         __argv[j++] = "-";
4181                         for (i = rep_args + 1; i < argc; i++)
4182                                 __argv[j++] = argv[i];
4183                         __argv[j++] = NULL;
4184
4185                         execvp("/bin/sh", (char **)__argv);
4186                         free(__argv);
4187                         exit(-1);
4188                 }
4189
4190                 dup2(live_pipe[0], 0);
4191                 close(live_pipe[1]);
4192
4193                 __argv = malloc((argc + 4) * sizeof(const char *));
4194                 if (!__argv) {
4195                         pr_err("malloc failed\n");
4196                         err = -ENOMEM;
4197                         goto out;
4198                 }
4199
4200                 j = 0;
4201                 __argv[j++] = "/bin/sh";
4202                 __argv[j++] = rep_script_path;
4203                 for (i = 1; i < rep_args + 1; i++)
4204                         __argv[j++] = argv[i];
4205                 __argv[j++] = "-i";
4206                 __argv[j++] = "-";
4207                 __argv[j++] = NULL;
4208
4209                 execvp("/bin/sh", (char **)__argv);
4210                 free(__argv);
4211                 exit(-1);
4212         }
4213 script_found:
4214         if (rec_script_path)
4215                 script_path = rec_script_path;
4216         if (rep_script_path)
4217                 script_path = rep_script_path;
4218
4219         if (script_path) {
4220                 j = 0;
4221
4222                 if (!rec_script_path)
4223                         system_wide = false;
4224                 else if (!system_wide) {
4225                         if (have_cmd(argc - 1, &argv[1]) != 0) {
4226                                 err = -1;
4227                                 goto out;
4228                         }
4229                 }
4230
4231                 __argv = malloc((argc + 2) * sizeof(const char *));
4232                 if (!__argv) {
4233                         pr_err("malloc failed\n");
4234                         err = -ENOMEM;
4235                         goto out;
4236                 }
4237
4238                 __argv[j++] = "/bin/sh";
4239                 __argv[j++] = script_path;
4240                 if (system_wide)
4241                         __argv[j++] = "-a";
4242                 for (i = 2; i < argc; i++)
4243                         __argv[j++] = argv[i];
4244                 __argv[j++] = NULL;
4245
4246                 execvp("/bin/sh", (char **)__argv);
4247                 free(__argv);
4248                 exit(-1);
4249         }
4250
4251         if (dlfilter_file) {
4252                 dlfilter = dlfilter__new(dlfilter_file, dlargc, dlargv);
4253                 if (!dlfilter)
4254                         return -1;
4255         }
4256
4257         if (!script_name) {
4258                 setup_pager();
4259                 use_browser = 0;
4260         }
4261
4262         session = perf_session__new(&data, &script.tool);
4263         if (IS_ERR(session))
4264                 return PTR_ERR(session);
4265
4266         if (header || header_only) {
4267                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
4268                 perf_session__fprintf_info(session, stdout, show_full_info);
4269                 if (header_only)
4270                         goto out_delete;
4271         }
4272         if (show_full_info)
4273                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
4274
4275         if (symbol__init(&session->header.env) < 0)
4276                 goto out_delete;
4277
4278         uname(&uts);
4279         if (data.is_pipe) { /* Assume pipe_mode indicates native_arch */
4280                 native_arch = true;
4281         } else if (session->header.env.arch) {
4282                 if (!strcmp(uts.machine, session->header.env.arch))
4283                         native_arch = true;
4284                 else if (!strcmp(uts.machine, "x86_64") &&
4285                          !strcmp(session->header.env.arch, "i386"))
4286                         native_arch = true;
4287         }
4288
4289         script.session = session;
4290         script__setup_sample_type(&script);
4291
4292         if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) ||
4293             symbol_conf.graph_function)
4294                 itrace_synth_opts.thread_stack = true;
4295
4296         session->itrace_synth_opts = &itrace_synth_opts;
4297
4298         if (cpu_list) {
4299                 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
4300                 if (err < 0)
4301                         goto out_delete;
4302                 itrace_synth_opts.cpu_bitmap = cpu_bitmap;
4303         }
4304
4305         if (!no_callchain)
4306                 symbol_conf.use_callchain = true;
4307         else
4308                 symbol_conf.use_callchain = false;
4309
4310 #ifdef HAVE_LIBTRACEEVENT
4311         if (session->tevent.pevent &&
4312             tep_set_function_resolver(session->tevent.pevent,
4313                                       machine__resolve_kernel_addr,
4314                                       &session->machines.host) < 0) {
4315                 pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
4316                 err = -1;
4317                 goto out_delete;
4318         }
4319 #endif
4320         if (generate_script_lang) {
4321                 struct stat perf_stat;
4322                 int input;
4323
4324                 if (output_set_by_user()) {
4325                         fprintf(stderr,
4326                                 "custom fields not supported for generated scripts");
4327                         err = -EINVAL;
4328                         goto out_delete;
4329                 }
4330
4331                 input = open(data.path, O_RDONLY);      /* input_name */
4332                 if (input < 0) {
4333                         err = -errno;
4334                         perror("failed to open file");
4335                         goto out_delete;
4336                 }
4337
4338                 err = fstat(input, &perf_stat);
4339                 if (err < 0) {
4340                         perror("failed to stat file");
4341                         goto out_delete;
4342                 }
4343
4344                 if (!perf_stat.st_size) {
4345                         fprintf(stderr, "zero-sized file, nothing to do!\n");
4346                         goto out_delete;
4347                 }
4348
4349                 scripting_ops = script_spec__lookup(generate_script_lang);
4350                 if (!scripting_ops) {
4351                         fprintf(stderr, "invalid language specifier");
4352                         err = -ENOENT;
4353                         goto out_delete;
4354                 }
4355 #ifdef HAVE_LIBTRACEEVENT
4356                 err = scripting_ops->generate_script(session->tevent.pevent,
4357                                                      "perf-script");
4358 #else
4359                 err = scripting_ops->generate_script(NULL, "perf-script");
4360 #endif
4361                 goto out_delete;
4362         }
4363
4364         err = dlfilter__start(dlfilter, session);
4365         if (err)
4366                 goto out_delete;
4367
4368         if (script_name) {
4369                 err = scripting_ops->start_script(script_name, argc, argv, session);
4370                 if (err)
4371                         goto out_delete;
4372                 pr_debug("perf script started with script %s\n\n", script_name);
4373                 script_started = true;
4374         }
4375
4376
4377         err = perf_session__check_output_opt(session);
4378         if (err < 0)
4379                 goto out_delete;
4380
4381         if (script.time_str) {
4382                 err = perf_time__parse_for_ranges_reltime(script.time_str, session,
4383                                                   &script.ptime_range,
4384                                                   &script.range_size,
4385                                                   &script.range_num,
4386                                                   reltime);
4387                 if (err < 0)
4388                         goto out_delete;
4389
4390                 itrace_synth_opts__set_time_range(&itrace_synth_opts,
4391                                                   script.ptime_range,
4392                                                   script.range_num);
4393         }
4394
4395         err = evswitch__init(&script.evswitch, session->evlist, stderr);
4396         if (err)
4397                 goto out_delete;
4398
4399         if (zstd_init(&(session->zstd_data), 0) < 0)
4400                 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n");
4401
4402         err = __cmd_script(&script);
4403
4404         flush_scripting();
4405
4406         if (verbose > 2 || debug_kmaps)
4407                 perf_session__dump_kmaps(session);
4408
4409 out_delete:
4410         if (script.ptime_range) {
4411                 itrace_synth_opts__clear_time_range(&itrace_synth_opts);
4412                 zfree(&script.ptime_range);
4413         }
4414
4415         zstd_fini(&(session->zstd_data));
4416         evlist__free_stats(session->evlist);
4417         perf_session__delete(session);
4418         perf_script__exit(&script);
4419
4420         if (script_started)
4421                 cleanup_scripting();
4422         dlfilter__cleanup(dlfilter);
4423         free_dlarg();
4424 out:
4425         return err;
4426 }