tools/perf/builtin-script.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include "builtin.h"
   3
   4 #include "util/counts.h"
   5 #include "util/debug.h"
   6 #include "util/dso.h"
   7 #include <subcmd/exec-cmd.h>
   8 #include "util/header.h"
   9 #include <subcmd/parse-options.h>
  10 #include "util/perf_regs.h"
  11 #include "util/session.h"
  12 #include "util/tool.h"
  13 #include "util/map.h"
  14 #include "util/srcline.h"
  15 #include "util/symbol.h"
  16 #include "util/thread.h"
  17 #include "util/trace-event.h"
  18 #include "util/evlist.h"
  19 #include "util/evsel.h"
  20 #include "util/evsel_fprintf.h"
  21 #include "util/evswitch.h"
  22 #include "util/sort.h"
  23 #include "util/data.h"
  24 #include "util/auxtrace.h"
  25 #include "util/cpumap.h"
  26 #include "util/thread_map.h"
  27 #include "util/stat.h"
  28 #include "util/color.h"
  29 #include "util/string2.h"
  30 #include "util/thread-stack.h"
  31 #include "util/time-utils.h"
  32 #include "util/path.h"
  33 #include "ui/ui.h"
  34 #include "print_binary.h"
  35 #include "archinsn.h"
  36 #include <linux/bitmap.h>
  37 #include <linux/kernel.h>
  38 #include <linux/stringify.h>
  39 #include <linux/time64.h>
  40 #include <linux/zalloc.h>
  41 #include <sys/utsname.h>
  42 #include "asm/bug.h"
  43 #include "util/mem-events.h"
  44 #include "util/dump-insn.h"
  45 #include <dirent.h>
  46 #include <errno.h>
  47 #include <inttypes.h>
  48 #include <signal.h>
  49 #include <sys/param.h>
  50 #include <sys/types.h>
  51 #include <sys/stat.h>
  52 #include <fcntl.h>
  53 #include <unistd.h>
  54 #include <subcmd/pager.h>
  55 #include <perf/evlist.h>
  56 #include <linux/err.h>
  57 #include "util/record.h"
  58 #include "util/util.h"
  59 #include "perf.h"
  60
  61 #include <linux/ctype.h>
  62
  63 static char const               *script_name;
  64 static char const               *generate_script_lang;
  65 static bool                     reltime;
  66 static bool                     deltatime;
  67 static u64                      initial_time;
  68 static u64                      previous_time;
  69 static bool                     debug_mode;
  70 static u64                      last_timestamp;
  71 static u64                      nr_unordered;
  72 static bool                     no_callchain;
  73 static bool                     latency_format;
  74 static bool                     system_wide;
  75 static bool                     print_flags;
  76 static const char               *cpu_list;
  77 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
  78 static struct perf_stat_config  stat_config;
  79 static int                      max_blocks;
  80 static bool                     native_arch;
  81
  82 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
  83
  84 enum perf_output_field {
  85         PERF_OUTPUT_COMM            = 1ULL << 0,
  86         PERF_OUTPUT_TID             = 1ULL << 1,
  87         PERF_OUTPUT_PID             = 1ULL << 2,
  88         PERF_OUTPUT_TIME            = 1ULL << 3,
  89         PERF_OUTPUT_CPU             = 1ULL << 4,
  90         PERF_OUTPUT_EVNAME          = 1ULL << 5,
  91         PERF_OUTPUT_TRACE           = 1ULL << 6,
  92         PERF_OUTPUT_IP              = 1ULL << 7,
  93         PERF_OUTPUT_SYM             = 1ULL << 8,
  94         PERF_OUTPUT_DSO             = 1ULL << 9,
  95         PERF_OUTPUT_ADDR            = 1ULL << 10,
  96         PERF_OUTPUT_SYMOFFSET       = 1ULL << 11,
  97         PERF_OUTPUT_SRCLINE         = 1ULL << 12,
  98         PERF_OUTPUT_PERIOD          = 1ULL << 13,
  99         PERF_OUTPUT_IREGS           = 1ULL << 14,
 100         PERF_OUTPUT_BRSTACK         = 1ULL << 15,
 101         PERF_OUTPUT_BRSTACKSYM      = 1ULL << 16,
 102         PERF_OUTPUT_DATA_SRC        = 1ULL << 17,
 103         PERF_OUTPUT_WEIGHT          = 1ULL << 18,
 104         PERF_OUTPUT_BPF_OUTPUT      = 1ULL << 19,
 105         PERF_OUTPUT_CALLINDENT      = 1ULL << 20,
 106         PERF_OUTPUT_INSN            = 1ULL << 21,
 107         PERF_OUTPUT_INSNLEN         = 1ULL << 22,
 108         PERF_OUTPUT_BRSTACKINSN     = 1ULL << 23,
 109         PERF_OUTPUT_BRSTACKOFF      = 1ULL << 24,
 110         PERF_OUTPUT_SYNTH           = 1ULL << 25,
 111         PERF_OUTPUT_PHYS_ADDR       = 1ULL << 26,
 112         PERF_OUTPUT_UREGS           = 1ULL << 27,
 113         PERF_OUTPUT_METRIC          = 1ULL << 28,
 114         PERF_OUTPUT_MISC            = 1ULL << 29,
 115         PERF_OUTPUT_SRCCODE         = 1ULL << 30,
 116         PERF_OUTPUT_IPC             = 1ULL << 31,
 117         PERF_OUTPUT_TOD             = 1ULL << 32,
 118 };
 119
 120 struct perf_script {
 121         struct perf_tool        tool;
 122         struct perf_session     *session;
 123         bool                    show_task_events;
 124         bool                    show_mmap_events;
 125         bool                    show_switch_events;
 126         bool                    show_namespace_events;
 127         bool                    show_lost_events;
 128         bool                    show_round_events;
 129         bool                    show_bpf_events;
 130         bool                    show_cgroup_events;
 131         bool                    show_text_poke_events;
 132         bool                    allocated;
 133         bool                    per_event_dump;
 134         bool                    stitch_lbr;
 135         struct evswitch         evswitch;
 136         struct perf_cpu_map     *cpus;
 137         struct perf_thread_map *threads;
 138         int                     name_width;
 139         const char              *time_str;
 140         struct perf_time_interval *ptime_range;
 141         int                     range_size;
 142         int                     range_num;
 143 };
 144
 145 struct output_option {
 146         const char *str;
 147         enum perf_output_field field;
 148 } all_output_options[] = {
 149         {.str = "comm",  .field = PERF_OUTPUT_COMM},
 150         {.str = "tid",   .field = PERF_OUTPUT_TID},
 151         {.str = "pid",   .field = PERF_OUTPUT_PID},
 152         {.str = "time",  .field = PERF_OUTPUT_TIME},
 153         {.str = "cpu",   .field = PERF_OUTPUT_CPU},
 154         {.str = "event", .field = PERF_OUTPUT_EVNAME},
 155         {.str = "trace", .field = PERF_OUTPUT_TRACE},
 156         {.str = "ip",    .field = PERF_OUTPUT_IP},
 157         {.str = "sym",   .field = PERF_OUTPUT_SYM},
 158         {.str = "dso",   .field = PERF_OUTPUT_DSO},
 159         {.str = "addr",  .field = PERF_OUTPUT_ADDR},
 160         {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
 161         {.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
 162         {.str = "period", .field = PERF_OUTPUT_PERIOD},
 163         {.str = "iregs", .field = PERF_OUTPUT_IREGS},
 164         {.str = "uregs", .field = PERF_OUTPUT_UREGS},
 165         {.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
 166         {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
 167         {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
 168         {.str = "weight",   .field = PERF_OUTPUT_WEIGHT},
 169         {.str = "bpf-output",   .field = PERF_OUTPUT_BPF_OUTPUT},
 170         {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
 171         {.str = "insn", .field = PERF_OUTPUT_INSN},
 172         {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
 173         {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
 174         {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
 175         {.str = "synth", .field = PERF_OUTPUT_SYNTH},
 176         {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
 177         {.str = "metric", .field = PERF_OUTPUT_METRIC},
 178         {.str = "misc", .field = PERF_OUTPUT_MISC},
 179         {.str = "srccode", .field = PERF_OUTPUT_SRCCODE},
 180         {.str = "ipc", .field = PERF_OUTPUT_IPC},
 181         {.str = "tod", .field = PERF_OUTPUT_TOD},
 182 };
 183
 184 enum {
 185         OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
 186         OUTPUT_TYPE_MAX
 187 };
 188
 189 /* default set to maintain compatibility with current format */
 190 static struct {
 191         bool user_set;
 192         bool wildcard_set;
 193         unsigned int print_ip_opts;
 194         u64 fields;
 195         u64 invalid_fields;
 196         u64 user_set_fields;
 197         u64 user_unset_fields;
 198 } output[OUTPUT_TYPE_MAX] = {
 199
 200         [PERF_TYPE_HARDWARE] = {
 201                 .user_set = false,
 202
 203                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 204                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 205                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 206                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 207                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 208
 209                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 210         },
 211
 212         [PERF_TYPE_SOFTWARE] = {
 213                 .user_set = false,
 214
 215                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 216                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 217                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 218                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 219                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
 220                               PERF_OUTPUT_BPF_OUTPUT,
 221
 222                 .invalid_fields = PERF_OUTPUT_TRACE,
 223         },
 224
 225         [PERF_TYPE_TRACEPOINT] = {
 226                 .user_set = false,
 227
 228                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 229                                   PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 230                                   PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
 231         },
 232
 233         [PERF_TYPE_HW_CACHE] = {
 234                 .user_set = false,
 235
 236                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 237                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 238                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 239                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 240                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 241
 242                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 243         },
 244
 245         [PERF_TYPE_RAW] = {
 246                 .user_set = false,
 247
 248                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 249                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 250                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 251                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 252                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
 253                               PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
 254                               PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR,
 255
 256                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 257         },
 258
 259         [PERF_TYPE_BREAKPOINT] = {
 260                 .user_set = false,
 261
 262                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 263                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 264                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 265                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 266                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 267
 268                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 269         },
 270
 271         [OUTPUT_TYPE_SYNTH] = {
 272                 .user_set = false,
 273
 274                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 275                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 276                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 277                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 278                               PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH,
 279
 280                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 281         },
 282 };
 283
 284 struct evsel_script {
 285        char *filename;
 286        FILE *fp;
 287        u64  samples;
 288        /* For metric output */
 289        u64  val;
 290        int  gnum;
 291 };
 292
 293 static inline struct evsel_script *evsel_script(struct evsel *evsel)
 294 {
 295         return (struct evsel_script *)evsel->priv;
 296 }
 297
 298 static struct evsel_script *perf_evsel_script__new(struct evsel *evsel,
 299                                                         struct perf_data *data)
 300 {
 301         struct evsel_script *es = zalloc(sizeof(*es));
 302
 303         if (es != NULL) {
 304                 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0)
 305                         goto out_free;
 306                 es->fp = fopen(es->filename, "w");
 307                 if (es->fp == NULL)
 308                         goto out_free_filename;
 309         }
 310
 311         return es;
 312 out_free_filename:
 313         zfree(&es->filename);
 314 out_free:
 315         free(es);
 316         return NULL;
 317 }
 318
 319 static void perf_evsel_script__delete(struct evsel_script *es)
 320 {
 321         zfree(&es->filename);
 322         fclose(es->fp);
 323         es->fp = NULL;
 324         free(es);
 325 }
 326
 327 static int perf_evsel_script__fprintf(struct evsel_script *es, FILE *fp)
 328 {
 329         struct stat st;
 330
 331         fstat(fileno(es->fp), &st);
 332         return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
 333                        st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
 334 }
 335
 336 static inline int output_type(unsigned int type)
 337 {
 338         switch (type) {
 339         case PERF_TYPE_SYNTH:
 340                 return OUTPUT_TYPE_SYNTH;
 341         default:
 342                 return type;
 343         }
 344 }
 345
 346 static inline unsigned int attr_type(unsigned int type)
 347 {
 348         switch (type) {
 349         case OUTPUT_TYPE_SYNTH:
 350                 return PERF_TYPE_SYNTH;
 351         default:
 352                 return type;
 353         }
 354 }
 355
 356 static bool output_set_by_user(void)
 357 {
 358         int j;
 359         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 360                 if (output[j].user_set)
 361                         return true;
 362         }
 363         return false;
 364 }
 365
 366 static const char *output_field2str(enum perf_output_field field)
 367 {
 368         int i, imax = ARRAY_SIZE(all_output_options);
 369         const char *str = "";
 370
 371         for (i = 0; i < imax; ++i) {
 372                 if (all_output_options[i].field == field) {
 373                         str = all_output_options[i].str;
 374                         break;
 375                 }
 376         }
 377         return str;
 378 }
 379
 380 #define PRINT_FIELD(x)  (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
 381
 382 static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
 383                                  enum perf_output_field field, bool allow_user_set)
 384 {
 385         struct perf_event_attr *attr = &evsel->core.attr;
 386         int type = output_type(attr->type);
 387         const char *evname;
 388
 389         if (attr->sample_type & sample_type)
 390                 return 0;
 391
 392         if (output[type].user_set_fields & field) {
 393                 if (allow_user_set)
 394                         return 0;
 395                 evname = evsel__name(evsel);
 396                 pr_err("Samples for '%s' event do not have %s attribute set. "
 397                        "Cannot print '%s' field.\n",
 398                        evname, sample_msg, output_field2str(field));
 399                 return -1;
 400         }
 401
 402         /* user did not ask for it explicitly so remove from the default list */
 403         output[type].fields &= ~field;
 404         evname = evsel__name(evsel);
 405         pr_debug("Samples for '%s' event do not have %s attribute set. "
 406                  "Skipping '%s' field.\n",
 407                  evname, sample_msg, output_field2str(field));
 408
 409         return 0;
 410 }
 411
 412 static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
 413                               enum perf_output_field field)
 414 {
 415         return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false);
 416 }
 417
 418 static int evsel__check_attr(struct evsel *evsel, struct perf_session *session)
 419 {
 420         struct perf_event_attr *attr = &evsel->core.attr;
 421         bool allow_user_set;
 422
 423         if (perf_header__has_feat(&session->header, HEADER_STAT))
 424                 return 0;
 425
 426         allow_user_set = perf_header__has_feat(&session->header,
 427                                                HEADER_AUXTRACE);
 428
 429         if (PRINT_FIELD(TRACE) &&
 430             !perf_session__has_traces(session, "record -R"))
 431                 return -EINVAL;
 432
 433         if (PRINT_FIELD(IP)) {
 434                 if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP))
 435                         return -EINVAL;
 436         }
 437
 438         if (PRINT_FIELD(ADDR) &&
 439             evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set))
 440                 return -EINVAL;
 441
 442         if (PRINT_FIELD(DATA_SRC) &&
 443             evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC))
 444                 return -EINVAL;
 445
 446         if (PRINT_FIELD(WEIGHT) &&
 447             evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT", PERF_OUTPUT_WEIGHT))
 448                 return -EINVAL;
 449
 450         if (PRINT_FIELD(SYM) &&
 451             !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
 452                 pr_err("Display of symbols requested but neither sample IP nor "
 453                            "sample address\navailable. Hence, no addresses to convert "
 454                        "to symbols.\n");
 455                 return -EINVAL;
 456         }
 457         if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
 458                 pr_err("Display of offsets requested but symbol is not"
 459                        "selected.\n");
 460                 return -EINVAL;
 461         }
 462         if (PRINT_FIELD(DSO) &&
 463             !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
 464                 pr_err("Display of DSO requested but no address to convert.\n");
 465                 return -EINVAL;
 466         }
 467         if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) {
 468                 pr_err("Display of source line number requested but sample IP is not\n"
 469                        "selected. Hence, no address to lookup the source line number.\n");
 470                 return -EINVAL;
 471         }
 472         if (PRINT_FIELD(BRSTACKINSN) && !allow_user_set &&
 473             !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) {
 474                 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
 475                        "Hint: run 'perf record -b ...'\n");
 476                 return -EINVAL;
 477         }
 478         if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
 479             evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID))
 480                 return -EINVAL;
 481
 482         if (PRINT_FIELD(TIME) &&
 483             evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME))
 484                 return -EINVAL;
 485
 486         if (PRINT_FIELD(CPU) &&
 487             evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set))
 488                 return -EINVAL;
 489
 490         if (PRINT_FIELD(IREGS) &&
 491             evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set))
 492                 return -EINVAL;
 493
 494         if (PRINT_FIELD(UREGS) &&
 495             evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS))
 496                 return -EINVAL;
 497
 498         if (PRINT_FIELD(PHYS_ADDR) &&
 499             evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR))
 500                 return -EINVAL;
 501
 502         return 0;
 503 }
 504
 505 static void set_print_ip_opts(struct perf_event_attr *attr)
 506 {
 507         unsigned int type = output_type(attr->type);
 508
 509         output[type].print_ip_opts = 0;
 510         if (PRINT_FIELD(IP))
 511                 output[type].print_ip_opts |= EVSEL__PRINT_IP;
 512
 513         if (PRINT_FIELD(SYM))
 514                 output[type].print_ip_opts |= EVSEL__PRINT_SYM;
 515
 516         if (PRINT_FIELD(DSO))
 517                 output[type].print_ip_opts |= EVSEL__PRINT_DSO;
 518
 519         if (PRINT_FIELD(SYMOFFSET))
 520                 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
 521
 522         if (PRINT_FIELD(SRCLINE))
 523                 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
 524 }
 525
 526 /*
 527  * verify all user requested events exist and the samples
 528  * have the expected data
 529  */
 530 static int perf_session__check_output_opt(struct perf_session *session)
 531 {
 532         bool tod = false;
 533         unsigned int j;
 534         struct evsel *evsel;
 535
 536         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 537                 evsel = perf_session__find_first_evtype(session, attr_type(j));
 538
 539                 /*
 540                  * even if fields is set to 0 (ie., show nothing) event must
 541                  * exist if user explicitly includes it on the command line
 542                  */
 543                 if (!evsel && output[j].user_set && !output[j].wildcard_set &&
 544                     j != OUTPUT_TYPE_SYNTH) {
 545                         pr_err("%s events do not exist. "
 546                                "Remove corresponding -F option to proceed.\n",
 547                                event_type(j));
 548                         return -1;
 549                 }
 550
 551                 if (evsel && output[j].fields &&
 552                         evsel__check_attr(evsel, session))
 553                         return -1;
 554
 555                 if (evsel == NULL)
 556                         continue;
 557
 558                 set_print_ip_opts(&evsel->core.attr);
 559                 tod |= output[j].fields & PERF_OUTPUT_TOD;
 560         }
 561
 562         if (!no_callchain) {
 563                 bool use_callchain = false;
 564                 bool not_pipe = false;
 565
 566                 evlist__for_each_entry(session->evlist, evsel) {
 567                         not_pipe = true;
 568                         if (evsel__has_callchain(evsel)) {
 569                                 use_callchain = true;
 570                                 break;
 571                         }
 572                 }
 573                 if (not_pipe && !use_callchain)
 574                         symbol_conf.use_callchain = false;
 575         }
 576
 577         /*
 578          * set default for tracepoints to print symbols only
 579          * if callchains are present
 580          */
 581         if (symbol_conf.use_callchain &&
 582             !output[PERF_TYPE_TRACEPOINT].user_set) {
 583                 j = PERF_TYPE_TRACEPOINT;
 584
 585                 evlist__for_each_entry(session->evlist, evsel) {
 586                         if (evsel->core.attr.type != j)
 587                                 continue;
 588
 589                         if (evsel__has_callchain(evsel)) {
 590                                 output[j].fields |= PERF_OUTPUT_IP;
 591                                 output[j].fields |= PERF_OUTPUT_SYM;
 592                                 output[j].fields |= PERF_OUTPUT_SYMOFFSET;
 593                                 output[j].fields |= PERF_OUTPUT_DSO;
 594                                 set_print_ip_opts(&evsel->core.attr);
 595                                 goto out;
 596                         }
 597                 }
 598         }
 599
 600         if (tod && !session->header.env.clock.enabled) {
 601                 pr_err("Can't provide 'tod' time, missing clock data. "
 602                        "Please record with -k/--clockid option.\n");
 603                 return -1;
 604         }
 605 out:
 606         return 0;
 607 }
 608
 609 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask,
 610                                      FILE *fp)
 611 {
 612         unsigned i = 0, r;
 613         int printed = 0;
 614
 615         if (!regs || !regs->regs)
 616                 return 0;
 617
 618         printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
 619
 620         for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
 621                 u64 val = regs->regs[i++];
 622                 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
 623         }
 624
 625         return printed;
 626 }
 627
 628 #define DEFAULT_TOD_FMT "%F %H:%M:%S"
 629
 630 static char*
 631 tod_scnprintf(struct perf_script *script, char *buf, int buflen,
 632              u64 timestamp)
 633 {
 634         u64 tod_ns, clockid_ns;
 635         struct perf_env *env;
 636         unsigned long nsec;
 637         struct tm ltime;
 638         char date[64];
 639         time_t sec;
 640
 641         buf[0] = '\0';
 642         if (buflen < 64 || !script)
 643                 return buf;
 644
 645         env = &script->session->header.env;
 646         if (!env->clock.enabled) {
 647                 scnprintf(buf, buflen, "disabled");
 648                 return buf;
 649         }
 650
 651         clockid_ns = env->clock.clockid_ns;
 652         tod_ns     = env->clock.tod_ns;
 653
 654         if (timestamp > clockid_ns)
 655                 tod_ns += timestamp - clockid_ns;
 656         else
 657                 tod_ns -= clockid_ns - timestamp;
 658
 659         sec  = (time_t) (tod_ns / NSEC_PER_SEC);
 660         nsec = tod_ns - sec * NSEC_PER_SEC;
 661
 662         if (localtime_r(&sec, &ltime) == NULL) {
 663                 scnprintf(buf, buflen, "failed");
 664         } else {
 665                 strftime(date, sizeof(date), DEFAULT_TOD_FMT, &ltime);
 666
 667                 if (symbol_conf.nanosecs) {
 668                         snprintf(buf, buflen, "%s.%09lu", date, nsec);
 669                 } else {
 670                         snprintf(buf, buflen, "%s.%06lu",
 671                                  date, nsec / NSEC_PER_USEC);
 672                 }
 673         }
 674
 675         return buf;
 676 }
 677
 678 static int perf_sample__fprintf_iregs(struct perf_sample *sample,
 679                                       struct perf_event_attr *attr, FILE *fp)
 680 {
 681         return perf_sample__fprintf_regs(&sample->intr_regs,
 682                                          attr->sample_regs_intr, fp);
 683 }
 684
 685 static int perf_sample__fprintf_uregs(struct perf_sample *sample,
 686                                       struct perf_event_attr *attr, FILE *fp)
 687 {
 688         return perf_sample__fprintf_regs(&sample->user_regs,
 689                                          attr->sample_regs_user, fp);
 690 }
 691
 692 static int perf_sample__fprintf_start(struct perf_script *script,
 693                                       struct perf_sample *sample,
 694                                       struct thread *thread,
 695                                       struct evsel *evsel,
 696                                       u32 type, FILE *fp)
 697 {
 698         struct perf_event_attr *attr = &evsel->core.attr;
 699         unsigned long secs;
 700         unsigned long long nsecs;
 701         int printed = 0;
 702         char tstr[128];
 703
 704         if (PRINT_FIELD(COMM)) {
 705                 if (latency_format)
 706                         printed += fprintf(fp, "%8.8s ", thread__comm_str(thread));
 707                 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
 708                         printed += fprintf(fp, "%s ", thread__comm_str(thread));
 709                 else
 710                         printed += fprintf(fp, "%16s ", thread__comm_str(thread));
 711         }
 712
 713         if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
 714                 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid);
 715         else if (PRINT_FIELD(PID))
 716                 printed += fprintf(fp, "%5d ", sample->pid);
 717         else if (PRINT_FIELD(TID))
 718                 printed += fprintf(fp, "%5d ", sample->tid);
 719
 720         if (PRINT_FIELD(CPU)) {
 721                 if (latency_format)
 722                         printed += fprintf(fp, "%3d ", sample->cpu);
 723                 else
 724                         printed += fprintf(fp, "[%03d] ", sample->cpu);
 725         }
 726
 727         if (PRINT_FIELD(MISC)) {
 728                 int ret = 0;
 729
 730                 #define has(m) \
 731                         (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
 732
 733                 if (has(KERNEL))
 734                         ret += fprintf(fp, "K");
 735                 if (has(USER))
 736                         ret += fprintf(fp, "U");
 737                 if (has(HYPERVISOR))
 738                         ret += fprintf(fp, "H");
 739                 if (has(GUEST_KERNEL))
 740                         ret += fprintf(fp, "G");
 741                 if (has(GUEST_USER))
 742                         ret += fprintf(fp, "g");
 743
 744                 switch (type) {
 745                 case PERF_RECORD_MMAP:
 746                 case PERF_RECORD_MMAP2:
 747                         if (has(MMAP_DATA))
 748                                 ret += fprintf(fp, "M");
 749                         break;
 750                 case PERF_RECORD_COMM:
 751                         if (has(COMM_EXEC))
 752                                 ret += fprintf(fp, "E");
 753                         break;
 754                 case PERF_RECORD_SWITCH:
 755                 case PERF_RECORD_SWITCH_CPU_WIDE:
 756                         if (has(SWITCH_OUT)) {
 757                                 ret += fprintf(fp, "S");
 758                                 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
 759                                         ret += fprintf(fp, "p");
 760                         }
 761                 default:
 762                         break;
 763                 }
 764
 765                 #undef has
 766
 767                 ret += fprintf(fp, "%*s", 6 - ret, " ");
 768                 printed += ret;
 769         }
 770
 771         if (PRINT_FIELD(TOD)) {
 772                 tod_scnprintf(script, tstr, sizeof(tstr), sample->time);
 773                 printed += fprintf(fp, "%s ", tstr);
 774         }
 775
 776         if (PRINT_FIELD(TIME)) {
 777                 u64 t = sample->time;
 778                 if (reltime) {
 779                         if (!initial_time)
 780                                 initial_time = sample->time;
 781                         t = sample->time - initial_time;
 782                 } else if (deltatime) {
 783                         if (previous_time)
 784                                 t = sample->time - previous_time;
 785                         else {
 786                                 t = 0;
 787                         }
 788                         previous_time = sample->time;
 789                 }
 790                 nsecs = t;
 791                 secs = nsecs / NSEC_PER_SEC;
 792                 nsecs -= secs * NSEC_PER_SEC;
 793
 794                 if (symbol_conf.nanosecs)
 795                         printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
 796                 else {
 797                         char sample_time[32];
 798                         timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time));
 799                         printed += fprintf(fp, "%12s: ", sample_time);
 800                 }
 801         }
 802
 803         return printed;
 804 }
 805
 806 static inline char
 807 mispred_str(struct branch_entry *br)
 808 {
 809         if (!(br->flags.mispred  || br->flags.predicted))
 810                 return '-';
 811
 812         return br->flags.predicted ? 'P' : 'M';
 813 }
 814
 815 static int perf_sample__fprintf_brstack(struct perf_sample *sample,
 816                                         struct thread *thread,
 817                                         struct perf_event_attr *attr, FILE *fp)
 818 {
 819         struct branch_stack *br = sample->branch_stack;
 820         struct branch_entry *entries = perf_sample__branch_entries(sample);
 821         struct addr_location alf, alt;
 822         u64 i, from, to;
 823         int printed = 0;
 824
 825         if (!(br && br->nr))
 826                 return 0;
 827
 828         for (i = 0; i < br->nr; i++) {
 829                 from = entries[i].from;
 830                 to   = entries[i].to;
 831
 832                 if (PRINT_FIELD(DSO)) {
 833                         memset(&alf, 0, sizeof(alf));
 834                         memset(&alt, 0, sizeof(alt));
 835                         thread__find_map_fb(thread, sample->cpumode, from, &alf);
 836                         thread__find_map_fb(thread, sample->cpumode, to, &alt);
 837                 }
 838
 839                 printed += fprintf(fp, " 0x%"PRIx64, from);
 840                 if (PRINT_FIELD(DSO)) {
 841                         printed += fprintf(fp, "(");
 842                         printed += map__fprintf_dsoname(alf.map, fp);
 843                         printed += fprintf(fp, ")");
 844                 }
 845
 846                 printed += fprintf(fp, "/0x%"PRIx64, to);
 847                 if (PRINT_FIELD(DSO)) {
 848                         printed += fprintf(fp, "(");
 849                         printed += map__fprintf_dsoname(alt.map, fp);
 850                         printed += fprintf(fp, ")");
 851                 }
 852
 853                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 854                         mispred_str(entries + i),
 855                         entries[i].flags.in_tx ? 'X' : '-',
 856                         entries[i].flags.abort ? 'A' : '-',
 857                         entries[i].flags.cycles);
 858         }
 859
 860         return printed;
 861 }
 862
 863 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
 864                                            struct thread *thread,
 865                                            struct perf_event_attr *attr, FILE *fp)
 866 {
 867         struct branch_stack *br = sample->branch_stack;
 868         struct branch_entry *entries = perf_sample__branch_entries(sample);
 869         struct addr_location alf, alt;
 870         u64 i, from, to;
 871         int printed = 0;
 872
 873         if (!(br && br->nr))
 874                 return 0;
 875
 876         for (i = 0; i < br->nr; i++) {
 877
 878                 memset(&alf, 0, sizeof(alf));
 879                 memset(&alt, 0, sizeof(alt));
 880                 from = entries[i].from;
 881                 to   = entries[i].to;
 882
 883                 thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
 884                 thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
 885
 886                 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
 887                 if (PRINT_FIELD(DSO)) {
 888                         printed += fprintf(fp, "(");
 889                         printed += map__fprintf_dsoname(alf.map, fp);
 890                         printed += fprintf(fp, ")");
 891                 }
 892                 printed += fprintf(fp, "%c", '/');
 893                 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
 894                 if (PRINT_FIELD(DSO)) {
 895                         printed += fprintf(fp, "(");
 896                         printed += map__fprintf_dsoname(alt.map, fp);
 897                         printed += fprintf(fp, ")");
 898                 }
 899                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 900                         mispred_str(entries + i),
 901                         entries[i].flags.in_tx ? 'X' : '-',
 902                         entries[i].flags.abort ? 'A' : '-',
 903                         entries[i].flags.cycles);
 904         }
 905
 906         return printed;
 907 }
 908
 909 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
 910                                            struct thread *thread,
 911                                            struct perf_event_attr *attr, FILE *fp)
 912 {
 913         struct branch_stack *br = sample->branch_stack;
 914         struct branch_entry *entries = perf_sample__branch_entries(sample);
 915         struct addr_location alf, alt;
 916         u64 i, from, to;
 917         int printed = 0;
 918
 919         if (!(br && br->nr))
 920                 return 0;
 921
 922         for (i = 0; i < br->nr; i++) {
 923
 924                 memset(&alf, 0, sizeof(alf));
 925                 memset(&alt, 0, sizeof(alt));
 926                 from = entries[i].from;
 927                 to   = entries[i].to;
 928
 929                 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
 930                     !alf.map->dso->adjust_symbols)
 931                         from = map__map_ip(alf.map, from);
 932
 933                 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
 934                     !alt.map->dso->adjust_symbols)
 935                         to = map__map_ip(alt.map, to);
 936
 937                 printed += fprintf(fp, " 0x%"PRIx64, from);
 938                 if (PRINT_FIELD(DSO)) {
 939                         printed += fprintf(fp, "(");
 940                         printed += map__fprintf_dsoname(alf.map, fp);
 941                         printed += fprintf(fp, ")");
 942                 }
 943                 printed += fprintf(fp, "/0x%"PRIx64, to);
 944                 if (PRINT_FIELD(DSO)) {
 945                         printed += fprintf(fp, "(");
 946                         printed += map__fprintf_dsoname(alt.map, fp);
 947                         printed += fprintf(fp, ")");
 948                 }
 949                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 950                         mispred_str(entries + i),
 951                         entries[i].flags.in_tx ? 'X' : '-',
 952                         entries[i].flags.abort ? 'A' : '-',
 953                         entries[i].flags.cycles);
 954         }
 955
 956         return printed;
 957 }
 958 #define MAXBB 16384UL
 959
 960 static int grab_bb(u8 *buffer, u64 start, u64 end,
 961                     struct machine *machine, struct thread *thread,
 962                     bool *is64bit, u8 *cpumode, bool last)
 963 {
 964         long offset, len;
 965         struct addr_location al;
 966         bool kernel;
 967
 968         if (!start || !end)
 969                 return 0;
 970
 971         kernel = machine__kernel_ip(machine, start);
 972         if (kernel)
 973                 *cpumode = PERF_RECORD_MISC_KERNEL;
 974         else
 975                 *cpumode = PERF_RECORD_MISC_USER;
 976
 977         /*
 978          * Block overlaps between kernel and user.
 979          * This can happen due to ring filtering
 980          * On Intel CPUs the entry into the kernel is filtered,
 981          * but the exit is not. Let the caller patch it up.
 982          */
 983         if (kernel != machine__kernel_ip(machine, end)) {
 984                 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
 985                 return -ENXIO;
 986         }
 987
 988         memset(&al, 0, sizeof(al));
 989         if (end - start > MAXBB - MAXINSN) {
 990                 if (last)
 991                         pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
 992                 else
 993                         pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
 994                 return 0;
 995         }
 996
 997         if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) {
 998                 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
 999                 return 0;
1000         }
1001         if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
1002                 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1003                 return 0;
1004         }
1005
1006         /* Load maps to ensure dso->is_64_bit has been updated */
1007         map__load(al.map);
1008
1009         offset = al.map->map_ip(al.map, start);
1010         len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer,
1011                                     end - start + MAXINSN);
1012
1013         *is64bit = al.map->dso->is_64_bit;
1014         if (len <= 0)
1015                 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
1016                         start, end);
1017         return len;
1018 }
1019
1020 static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state)
1021 {
1022         char *srcfile;
1023         int ret = 0;
1024         unsigned line;
1025         int len;
1026         char *srccode;
1027
1028         if (!map || !map->dso)
1029                 return 0;
1030         srcfile = get_srcline_split(map->dso,
1031                                     map__rip_2objdump(map, addr),
1032                                     &line);
1033         if (!srcfile)
1034                 return 0;
1035
1036         /* Avoid redundant printing */
1037         if (state &&
1038             state->srcfile &&
1039             !strcmp(state->srcfile, srcfile) &&
1040             state->line == line) {
1041                 free(srcfile);
1042                 return 0;
1043         }
1044
1045         srccode = find_sourceline(srcfile, line, &len);
1046         if (!srccode)
1047                 goto out_free_line;
1048
1049         ret = fprintf(fp, "|%-8d %.*s", line, len, srccode);
1050
1051         if (state) {
1052                 state->srcfile = srcfile;
1053                 state->line = line;
1054         }
1055         return ret;
1056
1057 out_free_line:
1058         free(srcfile);
1059         return ret;
1060 }
1061
1062 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr)
1063 {
1064         struct addr_location al;
1065         int ret = 0;
1066
1067         memset(&al, 0, sizeof(al));
1068         thread__find_map(thread, cpumode, addr, &al);
1069         if (!al.map)
1070                 return 0;
1071         ret = map__fprintf_srccode(al.map, al.addr, stdout,
1072                     &thread->srccode_state);
1073         if (ret)
1074                 ret += printf("\n");
1075         return ret;
1076 }
1077
1078 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
1079                             struct perf_insn *x, u8 *inbuf, int len,
1080                             int insn, FILE *fp, int *total_cycles)
1081 {
1082         int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip,
1083                               dump_insn(x, ip, inbuf, len, NULL),
1084                               en->flags.predicted ? " PRED" : "",
1085                               en->flags.mispred ? " MISPRED" : "",
1086                               en->flags.in_tx ? " INTX" : "",
1087                               en->flags.abort ? " ABORT" : "");
1088         if (en->flags.cycles) {
1089                 *total_cycles += en->flags.cycles;
1090                 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles);
1091                 if (insn)
1092                         printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
1093         }
1094         return printed + fprintf(fp, "\n");
1095 }
1096
1097 static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
1098                            u8 cpumode, int cpu, struct symbol **lastsym,
1099                            struct perf_event_attr *attr, FILE *fp)
1100 {
1101         struct addr_location al;
1102         int off, printed = 0;
1103
1104         memset(&al, 0, sizeof(al));
1105
1106         thread__find_map(thread, cpumode, addr, &al);
1107
1108         if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
1109                 return 0;
1110
1111         al.cpu = cpu;
1112         al.sym = NULL;
1113         if (al.map)
1114                 al.sym = map__find_symbol(al.map, al.addr);
1115
1116         if (!al.sym)
1117                 return 0;
1118
1119         if (al.addr < al.sym->end)
1120                 off = al.addr - al.sym->start;
1121         else
1122                 off = al.addr - al.map->start - al.sym->start;
1123         printed += fprintf(fp, "\t%s", al.sym->name);
1124         if (off)
1125                 printed += fprintf(fp, "%+d", off);
1126         printed += fprintf(fp, ":");
1127         if (PRINT_FIELD(SRCLINE))
1128                 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
1129         printed += fprintf(fp, "\n");
1130         *lastsym = al.sym;
1131
1132         return printed;
1133 }
1134
1135 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
1136                                             struct thread *thread,
1137                                             struct perf_event_attr *attr,
1138                                             struct machine *machine, FILE *fp)
1139 {
1140         struct branch_stack *br = sample->branch_stack;
1141         struct branch_entry *entries = perf_sample__branch_entries(sample);
1142         u64 start, end;
1143         int i, insn, len, nr, ilen, printed = 0;
1144         struct perf_insn x;
1145         u8 buffer[MAXBB];
1146         unsigned off;
1147         struct symbol *lastsym = NULL;
1148         int total_cycles = 0;
1149
1150         if (!(br && br->nr))
1151                 return 0;
1152         nr = br->nr;
1153         if (max_blocks && nr > max_blocks + 1)
1154                 nr = max_blocks + 1;
1155
1156         x.thread = thread;
1157         x.cpu = sample->cpu;
1158
1159         printed += fprintf(fp, "%c", '\n');
1160
1161         /* Handle first from jump, of which we don't know the entry. */
1162         len = grab_bb(buffer, entries[nr-1].from,
1163                         entries[nr-1].from,
1164                         machine, thread, &x.is64bit, &x.cpumode, false);
1165         if (len > 0) {
1166                 printed += ip__fprintf_sym(entries[nr - 1].from, thread,
1167                                            x.cpumode, x.cpu, &lastsym, attr, fp);
1168                 printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1],
1169                                             &x, buffer, len, 0, fp, &total_cycles);
1170                 if (PRINT_FIELD(SRCCODE))
1171                         printed += print_srccode(thread, x.cpumode, entries[nr - 1].from);
1172         }
1173
1174         /* Print all blocks */
1175         for (i = nr - 2; i >= 0; i--) {
1176                 if (entries[i].from || entries[i].to)
1177                         pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1178                                  entries[i].from,
1179                                  entries[i].to);
1180                 start = entries[i + 1].to;
1181                 end   = entries[i].from;
1182
1183                 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1184                 /* Patch up missing kernel transfers due to ring filters */
1185                 if (len == -ENXIO && i > 0) {
1186                         end = entries[--i].from;
1187                         pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1188                         len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1189                 }
1190                 if (len <= 0)
1191                         continue;
1192
1193                 insn = 0;
1194                 for (off = 0; off < (unsigned)len; off += ilen) {
1195                         uint64_t ip = start + off;
1196
1197                         printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1198                         if (ip == end) {
1199                                 printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp,
1200                                                             &total_cycles);
1201                                 if (PRINT_FIELD(SRCCODE))
1202                                         printed += print_srccode(thread, x.cpumode, ip);
1203                                 break;
1204                         } else {
1205                                 ilen = 0;
1206                                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip,
1207                                                    dump_insn(&x, ip, buffer + off, len - off, &ilen));
1208                                 if (ilen == 0)
1209                                         break;
1210                                 if (PRINT_FIELD(SRCCODE))
1211                                         print_srccode(thread, x.cpumode, ip);
1212                                 insn++;
1213                         }
1214                 }
1215                 if (off != end - start)
1216                         printed += fprintf(fp, "\tmismatch of LBR data and executable\n");
1217         }
1218
1219         /*
1220          * Hit the branch? In this case we are already done, and the target
1221          * has not been executed yet.
1222          */
1223         if (entries[0].from == sample->ip)
1224                 goto out;
1225         if (entries[0].flags.abort)
1226                 goto out;
1227
1228         /*
1229          * Print final block upto sample
1230          *
1231          * Due to pipeline delays the LBRs might be missing a branch
1232          * or two, which can result in very large or negative blocks
1233          * between final branch and sample. When this happens just
1234          * continue walking after the last TO until we hit a branch.
1235          */
1236         start = entries[0].to;
1237         end = sample->ip;
1238         if (end < start) {
1239                 /* Missing jump. Scan 128 bytes for the next branch */
1240                 end = start + 128;
1241         }
1242         len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1243         printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1244         if (len <= 0) {
1245                 /* Print at least last IP if basic block did not work */
1246                 len = grab_bb(buffer, sample->ip, sample->ip,
1247                               machine, thread, &x.is64bit, &x.cpumode, false);
1248                 if (len <= 0)
1249                         goto out;
1250                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip,
1251                         dump_insn(&x, sample->ip, buffer, len, NULL));
1252                 if (PRINT_FIELD(SRCCODE))
1253                         print_srccode(thread, x.cpumode, sample->ip);
1254                 goto out;
1255         }
1256         for (off = 0; off <= end - start; off += ilen) {
1257                 ilen = 0;
1258                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off,
1259                                    dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1260                 if (ilen == 0)
1261                         break;
1262                 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) {
1263                         /*
1264                          * Hit a missing branch. Just stop.
1265                          */
1266                         printed += fprintf(fp, "\t... not reaching sample ...\n");
1267                         break;
1268                 }
1269                 if (PRINT_FIELD(SRCCODE))
1270                         print_srccode(thread, x.cpumode, start + off);
1271         }
1272 out:
1273         return printed;
1274 }
1275
1276 static int perf_sample__fprintf_addr(struct perf_sample *sample,
1277                                      struct thread *thread,
1278                                      struct perf_event_attr *attr, FILE *fp)
1279 {
1280         struct addr_location al;
1281         int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1282
1283         if (!sample_addr_correlates_sym(attr))
1284                 goto out;
1285
1286         thread__resolve(thread, &al, sample);
1287
1288         if (PRINT_FIELD(SYM)) {
1289                 printed += fprintf(fp, " ");
1290                 if (PRINT_FIELD(SYMOFFSET))
1291                         printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1292                 else
1293                         printed += symbol__fprintf_symname(al.sym, fp);
1294         }
1295
1296         if (PRINT_FIELD(DSO)) {
1297                 printed += fprintf(fp, " (");
1298                 printed += map__fprintf_dsoname(al.map, fp);
1299                 printed += fprintf(fp, ")");
1300         }
1301 out:
1302         return printed;
1303 }
1304
1305 static const char *resolve_branch_sym(struct perf_sample *sample,
1306                                       struct evsel *evsel,
1307                                       struct thread *thread,
1308                                       struct addr_location *al,
1309                                       u64 *ip)
1310 {
1311         struct addr_location addr_al;
1312         struct perf_event_attr *attr = &evsel->core.attr;
1313         const char *name = NULL;
1314
1315         if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1316                 if (sample_addr_correlates_sym(attr)) {
1317                         thread__resolve(thread, &addr_al, sample);
1318                         if (addr_al.sym)
1319                                 name = addr_al.sym->name;
1320                         else
1321                                 *ip = sample->addr;
1322                 } else {
1323                         *ip = sample->addr;
1324                 }
1325         } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1326                 if (al->sym)
1327                         name = al->sym->name;
1328                 else
1329                         *ip = sample->ip;
1330         }
1331         return name;
1332 }
1333
1334 static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1335                                            struct evsel *evsel,
1336                                            struct thread *thread,
1337                                            struct addr_location *al, FILE *fp)
1338 {
1339         struct perf_event_attr *attr = &evsel->core.attr;
1340         size_t depth = thread_stack__depth(thread, sample->cpu);
1341         const char *name = NULL;
1342         static int spacing;
1343         int len = 0;
1344         int dlen = 0;
1345         u64 ip = 0;
1346
1347         /*
1348          * The 'return' has already been popped off the stack so the depth has
1349          * to be adjusted to match the 'call'.
1350          */
1351         if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
1352                 depth += 1;
1353
1354         name = resolve_branch_sym(sample, evsel, thread, al, &ip);
1355
1356         if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
1357                 dlen += fprintf(fp, "(");
1358                 dlen += map__fprintf_dsoname(al->map, fp);
1359                 dlen += fprintf(fp, ")\t");
1360         }
1361
1362         if (name)
1363                 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1364         else if (ip)
1365                 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1366
1367         if (len < 0)
1368                 return len;
1369
1370         /*
1371          * Try to keep the output length from changing frequently so that the
1372          * output lines up more nicely.
1373          */
1374         if (len > spacing || (len && len < spacing - 52))
1375                 spacing = round_up(len + 4, 32);
1376
1377         if (len < spacing)
1378                 len += fprintf(fp, "%*s", spacing - len, "");
1379
1380         return len + dlen;
1381 }
1382
1383 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused,
1384                             struct thread *thread __maybe_unused,
1385                             struct machine *machine __maybe_unused)
1386 {
1387 }
1388
1389 static int perf_sample__fprintf_insn(struct perf_sample *sample,
1390                                      struct perf_event_attr *attr,
1391                                      struct thread *thread,
1392                                      struct machine *machine, FILE *fp)
1393 {
1394         int printed = 0;
1395
1396         if (sample->insn_len == 0 && native_arch)
1397                 arch_fetch_insn(sample, thread, machine);
1398
1399         if (PRINT_FIELD(INSNLEN))
1400                 printed += fprintf(fp, " ilen: %d", sample->insn_len);
1401         if (PRINT_FIELD(INSN) && sample->insn_len) {
1402                 int i;
1403
1404                 printed += fprintf(fp, " insn:");
1405                 for (i = 0; i < sample->insn_len; i++)
1406                         printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
1407         }
1408         if (PRINT_FIELD(BRSTACKINSN))
1409                 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
1410
1411         return printed;
1412 }
1413
1414 static int perf_sample__fprintf_ipc(struct perf_sample *sample,
1415                                     struct perf_event_attr *attr, FILE *fp)
1416 {
1417         unsigned int ipc;
1418
1419         if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt)
1420                 return 0;
1421
1422         ipc = (sample->insn_cnt * 100) / sample->cyc_cnt;
1423
1424         return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ",
1425                        ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt);
1426 }
1427
1428 static int perf_sample__fprintf_bts(struct perf_sample *sample,
1429                                     struct evsel *evsel,
1430                                     struct thread *thread,
1431                                     struct addr_location *al,
1432                                     struct machine *machine, FILE *fp)
1433 {
1434         struct perf_event_attr *attr = &evsel->core.attr;
1435         unsigned int type = output_type(attr->type);
1436         bool print_srcline_last = false;
1437         int printed = 0;
1438
1439         if (PRINT_FIELD(CALLINDENT))
1440                 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp);
1441
1442         /* print branch_from information */
1443         if (PRINT_FIELD(IP)) {
1444                 unsigned int print_opts = output[type].print_ip_opts;
1445                 struct callchain_cursor *cursor = NULL;
1446
1447                 if (symbol_conf.use_callchain && sample->callchain &&
1448                     thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1449                                               sample, NULL, NULL, scripting_max_stack) == 0)
1450                         cursor = &callchain_cursor;
1451
1452                 if (cursor == NULL) {
1453                         printed += fprintf(fp, " ");
1454                         if (print_opts & EVSEL__PRINT_SRCLINE) {
1455                                 print_srcline_last = true;
1456                                 print_opts &= ~EVSEL__PRINT_SRCLINE;
1457                         }
1458                 } else
1459                         printed += fprintf(fp, "\n");
1460
1461                 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor,
1462                                                symbol_conf.bt_stop_list, fp);
1463         }
1464
1465         /* print branch_to information */
1466         if (PRINT_FIELD(ADDR) ||
1467             ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
1468              !output[type].user_set)) {
1469                 printed += fprintf(fp, " => ");
1470                 printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1471         }
1472
1473         printed += perf_sample__fprintf_ipc(sample, attr, fp);
1474
1475         if (print_srcline_last)
1476                 printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
1477
1478         printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1479         printed += fprintf(fp, "\n");
1480         if (PRINT_FIELD(SRCCODE)) {
1481                 int ret = map__fprintf_srccode(al->map, al->addr, stdout,
1482                                          &thread->srccode_state);
1483                 if (ret) {
1484                         printed += ret;
1485                         printed += printf("\n");
1486                 }
1487         }
1488         return printed;
1489 }
1490
1491 static struct {
1492         u32 flags;
1493         const char *name;
1494 } sample_flags[] = {
1495         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1496         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1497         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1498         {PERF_IP_FLAG_BRANCH, "jmp"},
1499         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1500         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1501         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1502         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1503         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1504         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"},
1505         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1506         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1507         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1508         {0, NULL}
1509 };
1510
1511 static const char *sample_flags_to_name(u32 flags)
1512 {
1513         int i;
1514
1515         for (i = 0; sample_flags[i].name ; i++) {
1516                 if (sample_flags[i].flags == flags)
1517                         return sample_flags[i].name;
1518         }
1519
1520         return NULL;
1521 }
1522
1523 static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1524 {
1525         const char *chars = PERF_IP_FLAG_CHARS;
1526         const int n = strlen(PERF_IP_FLAG_CHARS);
1527         bool in_tx = flags & PERF_IP_FLAG_IN_TX;
1528         const char *name = NULL;
1529         char str[33];
1530         int i, pos = 0;
1531
1532         name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX);
1533         if (name)
1534                 return fprintf(fp, "  %-15s%4s ", name, in_tx ? "(x)" : "");
1535
1536         if (flags & PERF_IP_FLAG_TRACE_BEGIN) {
1537                 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN));
1538                 if (name)
1539                         return fprintf(fp, "  tr strt %-7s%4s ", name, in_tx ? "(x)" : "");
1540         }
1541
1542         if (flags & PERF_IP_FLAG_TRACE_END) {
1543                 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END));
1544                 if (name)
1545                         return fprintf(fp, "  tr end  %-7s%4s ", name, in_tx ? "(x)" : "");
1546         }
1547
1548         for (i = 0; i < n; i++, flags >>= 1) {
1549                 if (flags & 1)
1550                         str[pos++] = chars[i];
1551         }
1552         for (; i < 32; i++, flags >>= 1) {
1553                 if (flags & 1)
1554                         str[pos++] = '?';
1555         }
1556         str[pos] = 0;
1557
1558         return fprintf(fp, "  %-19s ", str);
1559 }
1560
1561 struct printer_data {
1562         int line_no;
1563         bool hit_nul;
1564         bool is_printable;
1565 };
1566
1567 static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1568                                       unsigned int val,
1569                                       void *extra, FILE *fp)
1570 {
1571         unsigned char ch = (unsigned char)val;
1572         struct printer_data *printer_data = extra;
1573         int printed = 0;
1574
1575         switch (op) {
1576         case BINARY_PRINT_DATA_BEGIN:
1577                 printed += fprintf(fp, "\n");
1578                 break;
1579         case BINARY_PRINT_LINE_BEGIN:
1580                 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1581                                                         "           ");
1582                 break;
1583         case BINARY_PRINT_ADDR:
1584                 printed += fprintf(fp, " %04x:", val);
1585                 break;
1586         case BINARY_PRINT_NUM_DATA:
1587                 printed += fprintf(fp, " %02x", val);
1588                 break;
1589         case BINARY_PRINT_NUM_PAD:
1590                 printed += fprintf(fp, "   ");
1591                 break;
1592         case BINARY_PRINT_SEP:
1593                 printed += fprintf(fp, "  ");
1594                 break;
1595         case BINARY_PRINT_CHAR_DATA:
1596                 if (printer_data->hit_nul && ch)
1597                         printer_data->is_printable = false;
1598
1599                 if (!isprint(ch)) {
1600                         printed += fprintf(fp, "%c", '.');
1601
1602                         if (!printer_data->is_printable)
1603                                 break;
1604
1605                         if (ch == '\0')
1606                                 printer_data->hit_nul = true;
1607                         else
1608                                 printer_data->is_printable = false;
1609                 } else {
1610                         printed += fprintf(fp, "%c", ch);
1611                 }
1612                 break;
1613         case BINARY_PRINT_CHAR_PAD:
1614                 printed += fprintf(fp, " ");
1615                 break;
1616         case BINARY_PRINT_LINE_END:
1617                 printed += fprintf(fp, "\n");
1618                 printer_data->line_no++;
1619                 break;
1620         case BINARY_PRINT_DATA_END:
1621         default:
1622                 break;
1623         }
1624
1625         return printed;
1626 }
1627
1628 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1629 {
1630         unsigned int nr_bytes = sample->raw_size;
1631         struct printer_data printer_data = {0, false, true};
1632         int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1633                                       sample__fprintf_bpf_output, &printer_data, fp);
1634
1635         if (printer_data.is_printable && printer_data.hit_nul)
1636                 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1637
1638         return printed;
1639 }
1640
1641 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1642 {
1643         if (len > 0 && len < spacing)
1644                 return fprintf(fp, "%*s", spacing - len, "");
1645
1646         return 0;
1647 }
1648
1649 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1650 {
1651         return perf_sample__fprintf_spacing(len, 34, fp);
1652 }
1653
1654 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1655 {
1656         struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1657         int len;
1658
1659         if (perf_sample__bad_synth_size(sample, *data))
1660                 return 0;
1661
1662         len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ",
1663                      data->ip, le64_to_cpu(data->payload));
1664         return len + perf_sample__fprintf_pt_spacing(len, fp);
1665 }
1666
1667 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1668 {
1669         struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1670         int len;
1671
1672         if (perf_sample__bad_synth_size(sample, *data))
1673                 return 0;
1674
1675         len = fprintf(fp, " hints: %#x extensions: %#x ",
1676                       data->hints, data->extensions);
1677         return len + perf_sample__fprintf_pt_spacing(len, fp);
1678 }
1679
1680 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1681 {
1682         struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1683         int len;
1684
1685         if (perf_sample__bad_synth_size(sample, *data))
1686                 return 0;
1687
1688         len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1689                       data->hw, data->cstate, data->subcstate);
1690         return len + perf_sample__fprintf_pt_spacing(len, fp);
1691 }
1692
1693 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1694 {
1695         struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1696         int len;
1697
1698         if (perf_sample__bad_synth_size(sample, *data))
1699                 return 0;
1700
1701         len = fprintf(fp, " IP: %u ", data->ip);
1702         return len + perf_sample__fprintf_pt_spacing(len, fp);
1703 }
1704
1705 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1706 {
1707         struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1708         int len;
1709
1710         if (perf_sample__bad_synth_size(sample, *data))
1711                 return 0;
1712
1713         len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1714                      data->deepest_cstate, data->last_cstate,
1715                      data->wake_reason);
1716         return len + perf_sample__fprintf_pt_spacing(len, fp);
1717 }
1718
1719 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1720 {
1721         struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1722         unsigned int percent, freq;
1723         int len;
1724
1725         if (perf_sample__bad_synth_size(sample, *data))
1726                 return 0;
1727
1728         freq = (le32_to_cpu(data->freq) + 500) / 1000;
1729         len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1730         if (data->max_nonturbo) {
1731                 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1732                 len += fprintf(fp, "(%3u%%) ", percent);
1733         }
1734         return len + perf_sample__fprintf_pt_spacing(len, fp);
1735 }
1736
1737 static int perf_sample__fprintf_synth(struct perf_sample *sample,
1738                                       struct evsel *evsel, FILE *fp)
1739 {
1740         switch (evsel->core.attr.config) {
1741         case PERF_SYNTH_INTEL_PTWRITE:
1742                 return perf_sample__fprintf_synth_ptwrite(sample, fp);
1743         case PERF_SYNTH_INTEL_MWAIT:
1744                 return perf_sample__fprintf_synth_mwait(sample, fp);
1745         case PERF_SYNTH_INTEL_PWRE:
1746                 return perf_sample__fprintf_synth_pwre(sample, fp);
1747         case PERF_SYNTH_INTEL_EXSTOP:
1748                 return perf_sample__fprintf_synth_exstop(sample, fp);
1749         case PERF_SYNTH_INTEL_PWRX:
1750                 return perf_sample__fprintf_synth_pwrx(sample, fp);
1751         case PERF_SYNTH_INTEL_CBR:
1752                 return perf_sample__fprintf_synth_cbr(sample, fp);
1753         default:
1754                 break;
1755         }
1756
1757         return 0;
1758 }
1759
1760 static int evlist__max_name_len(struct evlist *evlist)
1761 {
1762         struct evsel *evsel;
1763         int max = 0;
1764
1765         evlist__for_each_entry(evlist, evsel) {
1766                 int len = strlen(evsel__name(evsel));
1767
1768                 max = MAX(len, max);
1769         }
1770
1771         return max;
1772 }
1773
1774 static int data_src__fprintf(u64 data_src, FILE *fp)
1775 {
1776         struct mem_info mi = { .data_src.val = data_src };
1777         char decode[100];
1778         char out[100];
1779         static int maxlen;
1780         int len;
1781
1782         perf_script__meminfo_scnprintf(decode, 100, &mi);
1783
1784         len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
1785         if (maxlen < len)
1786                 maxlen = len;
1787
1788         return fprintf(fp, "%-*s", maxlen, out);
1789 }
1790
1791 struct metric_ctx {
1792         struct perf_sample      *sample;
1793         struct thread           *thread;
1794         struct evsel    *evsel;
1795         FILE                    *fp;
1796 };
1797
1798 static void script_print_metric(struct perf_stat_config *config __maybe_unused,
1799                                 void *ctx, const char *color,
1800                                 const char *fmt,
1801                                 const char *unit, double val)
1802 {
1803         struct metric_ctx *mctx = ctx;
1804
1805         if (!fmt)
1806                 return;
1807         perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
1808                                    PERF_RECORD_SAMPLE, mctx->fp);
1809         fputs("\tmetric: ", mctx->fp);
1810         if (color)
1811                 color_fprintf(mctx->fp, color, fmt, val);
1812         else
1813                 printf(fmt, val);
1814         fprintf(mctx->fp, " %s\n", unit);
1815 }
1816
1817 static void script_new_line(struct perf_stat_config *config __maybe_unused,
1818                             void *ctx)
1819 {
1820         struct metric_ctx *mctx = ctx;
1821
1822         perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
1823                                    PERF_RECORD_SAMPLE, mctx->fp);
1824         fputs("\tmetric: ", mctx->fp);
1825 }
1826
1827 static void perf_sample__fprint_metric(struct perf_script *script,
1828                                        struct thread *thread,
1829                                        struct evsel *evsel,
1830                                        struct perf_sample *sample,
1831                                        FILE *fp)
1832 {
1833         struct perf_stat_output_ctx ctx = {
1834                 .print_metric = script_print_metric,
1835                 .new_line = script_new_line,
1836                 .ctx = &(struct metric_ctx) {
1837                                 .sample = sample,
1838                                 .thread = thread,
1839                                 .evsel  = evsel,
1840                                 .fp     = fp,
1841                          },
1842                 .force_header = false,
1843         };
1844         struct evsel *ev2;
1845         u64 val;
1846
1847         if (!evsel->stats)
1848                 perf_evlist__alloc_stats(script->session->evlist, false);
1849         if (evsel_script(evsel->leader)->gnum++ == 0)
1850                 perf_stat__reset_shadow_stats();
1851         val = sample->period * evsel->scale;
1852         perf_stat__update_shadow_stats(evsel,
1853                                        val,
1854                                        sample->cpu,
1855                                        &rt_stat);
1856         evsel_script(evsel)->val = val;
1857         if (evsel_script(evsel->leader)->gnum == evsel->leader->core.nr_members) {
1858                 for_each_group_member (ev2, evsel->leader) {
1859                         perf_stat__print_shadow_stats(&stat_config, ev2,
1860                                                       evsel_script(ev2)->val,
1861                                                       sample->cpu,
1862                                                       &ctx,
1863                                                       NULL,
1864                                                       &rt_stat);
1865                 }
1866                 evsel_script(evsel->leader)->gnum = 0;
1867         }
1868 }
1869
1870 static bool show_event(struct perf_sample *sample,
1871                        struct evsel *evsel,
1872                        struct thread *thread,
1873                        struct addr_location *al)
1874 {
1875         int depth = thread_stack__depth(thread, sample->cpu);
1876
1877         if (!symbol_conf.graph_function)
1878                 return true;
1879
1880         if (thread->filter) {
1881                 if (depth <= thread->filter_entry_depth) {
1882                         thread->filter = false;
1883                         return false;
1884                 }
1885                 return true;
1886         } else {
1887                 const char *s = symbol_conf.graph_function;
1888                 u64 ip;
1889                 const char *name = resolve_branch_sym(sample, evsel, thread, al,
1890                                 &ip);
1891                 unsigned nlen;
1892
1893                 if (!name)
1894                         return false;
1895                 nlen = strlen(name);
1896                 while (*s) {
1897                         unsigned len = strcspn(s, ",");
1898                         if (nlen == len && !strncmp(name, s, len)) {
1899                                 thread->filter = true;
1900                                 thread->filter_entry_depth = depth;
1901                                 return true;
1902                         }
1903                         s += len;
1904                         if (*s == ',')
1905                                 s++;
1906                 }
1907                 return false;
1908         }
1909 }
1910
1911 static void process_event(struct perf_script *script,
1912                           struct perf_sample *sample, struct evsel *evsel,
1913                           struct addr_location *al,
1914                           struct machine *machine)
1915 {
1916         struct thread *thread = al->thread;
1917         struct perf_event_attr *attr = &evsel->core.attr;
1918         unsigned int type = output_type(attr->type);
1919         struct evsel_script *es = evsel->priv;
1920         FILE *fp = es->fp;
1921
1922         if (output[type].fields == 0)
1923                 return;
1924
1925         if (!show_event(sample, evsel, thread, al))
1926                 return;
1927
1928         if (evswitch__discard(&script->evswitch, evsel))
1929                 return;
1930
1931         ++es->samples;
1932
1933         perf_sample__fprintf_start(script, sample, thread, evsel,
1934                                    PERF_RECORD_SAMPLE, fp);
1935
1936         if (PRINT_FIELD(PERIOD))
1937                 fprintf(fp, "%10" PRIu64 " ", sample->period);
1938
1939         if (PRINT_FIELD(EVNAME)) {
1940                 const char *evname = evsel__name(evsel);
1941
1942                 if (!script->name_width)
1943                         script->name_width = evlist__max_name_len(script->session->evlist);
1944
1945                 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
1946         }
1947
1948         if (print_flags)
1949                 perf_sample__fprintf_flags(sample->flags, fp);
1950
1951         if (is_bts_event(attr)) {
1952                 perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp);
1953                 return;
1954         }
1955
1956         if (PRINT_FIELD(TRACE) && sample->raw_data) {
1957                 event_format__fprintf(evsel->tp_format, sample->cpu,
1958                                       sample->raw_data, sample->raw_size, fp);
1959         }
1960
1961         if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
1962                 perf_sample__fprintf_synth(sample, evsel, fp);
1963
1964         if (PRINT_FIELD(ADDR))
1965                 perf_sample__fprintf_addr(sample, thread, attr, fp);
1966
1967         if (PRINT_FIELD(DATA_SRC))
1968                 data_src__fprintf(sample->data_src, fp);
1969
1970         if (PRINT_FIELD(WEIGHT))
1971                 fprintf(fp, "%16" PRIu64, sample->weight);
1972
1973         if (PRINT_FIELD(IP)) {
1974                 struct callchain_cursor *cursor = NULL;
1975
1976                 if (script->stitch_lbr)
1977                         al->thread->lbr_stitch_enable = true;
1978
1979                 if (symbol_conf.use_callchain && sample->callchain &&
1980                     thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1981                                               sample, NULL, NULL, scripting_max_stack) == 0)
1982                         cursor = &callchain_cursor;
1983
1984                 fputc(cursor ? '\n' : ' ', fp);
1985                 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor,
1986                                     symbol_conf.bt_stop_list, fp);
1987         }
1988
1989         if (PRINT_FIELD(IREGS))
1990                 perf_sample__fprintf_iregs(sample, attr, fp);
1991
1992         if (PRINT_FIELD(UREGS))
1993                 perf_sample__fprintf_uregs(sample, attr, fp);
1994
1995         if (PRINT_FIELD(BRSTACK))
1996                 perf_sample__fprintf_brstack(sample, thread, attr, fp);
1997         else if (PRINT_FIELD(BRSTACKSYM))
1998                 perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
1999         else if (PRINT_FIELD(BRSTACKOFF))
2000                 perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
2001
2002         if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
2003                 perf_sample__fprintf_bpf_output(sample, fp);
2004         perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
2005
2006         if (PRINT_FIELD(PHYS_ADDR))
2007                 fprintf(fp, "%16" PRIx64, sample->phys_addr);
2008
2009         perf_sample__fprintf_ipc(sample, attr, fp);
2010
2011         fprintf(fp, "\n");
2012
2013         if (PRINT_FIELD(SRCCODE)) {
2014                 if (map__fprintf_srccode(al->map, al->addr, stdout,
2015                                          &thread->srccode_state))
2016                         printf("\n");
2017         }
2018
2019         if (PRINT_FIELD(METRIC))
2020                 perf_sample__fprint_metric(script, thread, evsel, sample, fp);
2021
2022         if (verbose)
2023                 fflush(fp);
2024 }
2025
2026 static struct scripting_ops     *scripting_ops;
2027
2028 static void __process_stat(struct evsel *counter, u64 tstamp)
2029 {
2030         int nthreads = perf_thread_map__nr(counter->core.threads);
2031         int ncpus = evsel__nr_cpus(counter);
2032         int cpu, thread;
2033         static int header_printed;
2034
2035         if (counter->core.system_wide)
2036                 nthreads = 1;
2037
2038         if (!header_printed) {
2039                 printf("%3s %8s %15s %15s %15s %15s %s\n",
2040                        "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
2041                 header_printed = 1;
2042         }
2043
2044         for (thread = 0; thread < nthreads; thread++) {
2045                 for (cpu = 0; cpu < ncpus; cpu++) {
2046                         struct perf_counts_values *counts;
2047
2048                         counts = perf_counts(counter->counts, cpu, thread);
2049
2050                         printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
2051                                 counter->core.cpus->map[cpu],
2052                                 perf_thread_map__pid(counter->core.threads, thread),
2053                                 counts->val,
2054                                 counts->ena,
2055                                 counts->run,
2056                                 tstamp,
2057                                 evsel__name(counter));
2058                 }
2059         }
2060 }
2061
2062 static void process_stat(struct evsel *counter, u64 tstamp)
2063 {
2064         if (scripting_ops && scripting_ops->process_stat)
2065                 scripting_ops->process_stat(&stat_config, counter, tstamp);
2066         else
2067                 __process_stat(counter, tstamp);
2068 }
2069
2070 static void process_stat_interval(u64 tstamp)
2071 {
2072         if (scripting_ops && scripting_ops->process_stat_interval)
2073                 scripting_ops->process_stat_interval(tstamp);
2074 }
2075
2076 static void setup_scripting(void)
2077 {
2078         setup_perl_scripting();
2079         setup_python_scripting();
2080 }
2081
2082 static int flush_scripting(void)
2083 {
2084         return scripting_ops ? scripting_ops->flush_script() : 0;
2085 }
2086
2087 static int cleanup_scripting(void)
2088 {
2089         pr_debug("\nperf script stopped\n");
2090
2091         return scripting_ops ? scripting_ops->stop_script() : 0;
2092 }
2093
2094 static bool filter_cpu(struct perf_sample *sample)
2095 {
2096         if (cpu_list && sample->cpu != (u32)-1)
2097                 return !test_bit(sample->cpu, cpu_bitmap);
2098         return false;
2099 }
2100
2101 static int process_sample_event(struct perf_tool *tool,
2102                                 union perf_event *event,
2103                                 struct perf_sample *sample,
2104                                 struct evsel *evsel,
2105                                 struct machine *machine)
2106 {
2107         struct perf_script *scr = container_of(tool, struct perf_script, tool);
2108         struct addr_location al;
2109
2110         if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
2111                                           sample->time)) {
2112                 return 0;
2113         }
2114
2115         if (debug_mode) {
2116                 if (sample->time < last_timestamp) {
2117                         pr_err("Samples misordered, previous: %" PRIu64
2118                                 " this: %" PRIu64 "\n", last_timestamp,
2119                                 sample->time);
2120                         nr_unordered++;
2121                 }
2122                 last_timestamp = sample->time;
2123                 return 0;
2124         }
2125
2126         if (machine__resolve(machine, &al, sample) < 0) {
2127                 pr_err("problem processing %d event, skipping it.\n",
2128                        event->header.type);
2129                 return -1;
2130         }
2131
2132         if (al.filtered)
2133                 goto out_put;
2134
2135         if (filter_cpu(sample))
2136                 goto out_put;
2137
2138         if (scripting_ops)
2139                 scripting_ops->process_event(event, sample, evsel, &al);
2140         else
2141                 process_event(scr, sample, evsel, &al, machine);
2142
2143 out_put:
2144         addr_location__put(&al);
2145         return 0;
2146 }
2147
2148 static int process_attr(struct perf_tool *tool, union perf_event *event,
2149                         struct evlist **pevlist)
2150 {
2151         struct perf_script *scr = container_of(tool, struct perf_script, tool);
2152         struct evlist *evlist;
2153         struct evsel *evsel, *pos;
2154         u64 sample_type;
2155         int err;
2156         static struct evsel_script *es;
2157
2158         err = perf_event__process_attr(tool, event, pevlist);
2159         if (err)
2160                 return err;
2161
2162         evlist = *pevlist;
2163         evsel = evlist__last(*pevlist);
2164
2165         if (!evsel->priv) {
2166                 if (scr->per_event_dump) {
2167                         evsel->priv = perf_evsel_script__new(evsel,
2168                                                 scr->session->data);
2169                 } else {
2170                         es = zalloc(sizeof(*es));
2171                         if (!es)
2172                                 return -ENOMEM;
2173                         es->fp = stdout;
2174                         evsel->priv = es;
2175                 }
2176         }
2177
2178         if (evsel->core.attr.type >= PERF_TYPE_MAX &&
2179             evsel->core.attr.type != PERF_TYPE_SYNTH)
2180                 return 0;
2181
2182         evlist__for_each_entry(evlist, pos) {
2183                 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel)
2184                         return 0;
2185         }
2186
2187         if (evsel->core.attr.sample_type) {
2188                 err = evsel__check_attr(evsel, scr->session);
2189                 if (err)
2190                         return err;
2191         }
2192
2193         /*
2194          * Check if we need to enable callchains based
2195          * on events sample_type.
2196          */
2197         sample_type = evlist__combined_sample_type(evlist);
2198         callchain_param_setup(sample_type);
2199
2200         /* Enable fields for callchain entries */
2201         if (symbol_conf.use_callchain &&
2202             (sample_type & PERF_SAMPLE_CALLCHAIN ||
2203              sample_type & PERF_SAMPLE_BRANCH_STACK ||
2204              (sample_type & PERF_SAMPLE_REGS_USER &&
2205               sample_type & PERF_SAMPLE_STACK_USER))) {
2206                 int type = output_type(evsel->core.attr.type);
2207
2208                 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP))
2209                         output[type].fields |= PERF_OUTPUT_IP;
2210                 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM))
2211                         output[type].fields |= PERF_OUTPUT_SYM;
2212         }
2213         set_print_ip_opts(&evsel->core.attr);
2214         return 0;
2215 }
2216
2217 static int print_event_with_time(struct perf_tool *tool,
2218                                  union perf_event *event,
2219                                  struct perf_sample *sample,
2220                                  struct machine *machine,
2221                                  pid_t pid, pid_t tid, u64 timestamp)
2222 {
2223         struct perf_script *script = container_of(tool, struct perf_script, tool);
2224         struct perf_session *session = script->session;
2225         struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2226         struct thread *thread = NULL;
2227
2228         if (evsel && !evsel->core.attr.sample_id_all) {
2229                 sample->cpu = 0;
2230                 sample->time = timestamp;
2231                 sample->pid = pid;
2232                 sample->tid = tid;
2233         }
2234
2235         if (filter_cpu(sample))
2236                 return 0;
2237
2238         if (tid != -1)
2239                 thread = machine__findnew_thread(machine, pid, tid);
2240
2241         if (thread && evsel) {
2242                 perf_sample__fprintf_start(script, sample, thread, evsel,
2243                                            event->header.type, stdout);
2244         }
2245
2246         perf_event__fprintf(event, machine, stdout);
2247
2248         thread__put(thread);
2249
2250         return 0;
2251 }
2252
2253 static int print_event(struct perf_tool *tool, union perf_event *event,
2254                        struct perf_sample *sample, struct machine *machine,
2255                        pid_t pid, pid_t tid)
2256 {
2257         return print_event_with_time(tool, event, sample, machine, pid, tid, 0);
2258 }
2259
2260 static int process_comm_event(struct perf_tool *tool,
2261                               union perf_event *event,
2262                               struct perf_sample *sample,
2263                               struct machine *machine)
2264 {
2265         if (perf_event__process_comm(tool, event, sample, machine) < 0)
2266                 return -1;
2267
2268         return print_event(tool, event, sample, machine, event->comm.pid,
2269                            event->comm.tid);
2270 }
2271
2272 static int process_namespaces_event(struct perf_tool *tool,
2273                                     union perf_event *event,
2274                                     struct perf_sample *sample,
2275                                     struct machine *machine)
2276 {
2277         if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
2278                 return -1;
2279
2280         return print_event(tool, event, sample, machine, event->namespaces.pid,
2281                            event->namespaces.tid);
2282 }
2283
2284 static int process_cgroup_event(struct perf_tool *tool,
2285                                 union perf_event *event,
2286                                 struct perf_sample *sample,
2287                                 struct machine *machine)
2288 {
2289         if (perf_event__process_cgroup(tool, event, sample, machine) < 0)
2290                 return -1;
2291
2292         return print_event(tool, event, sample, machine, sample->pid,
2293                             sample->tid);
2294 }
2295
2296 static int process_fork_event(struct perf_tool *tool,
2297                               union perf_event *event,
2298                               struct perf_sample *sample,
2299                               struct machine *machine)
2300 {
2301         if (perf_event__process_fork(tool, event, sample, machine) < 0)
2302                 return -1;
2303
2304         return print_event_with_time(tool, event, sample, machine,
2305                                      event->fork.pid, event->fork.tid,
2306                                      event->fork.time);
2307 }
2308 static int process_exit_event(struct perf_tool *tool,
2309                               union perf_event *event,
2310                               struct perf_sample *sample,
2311                               struct machine *machine)
2312 {
2313         /* Print before 'exit' deletes anything */
2314         if (print_event_with_time(tool, event, sample, machine, event->fork.pid,
2315                                   event->fork.tid, event->fork.time))
2316                 return -1;
2317
2318         return perf_event__process_exit(tool, event, sample, machine);
2319 }
2320
2321 static int process_mmap_event(struct perf_tool *tool,
2322                               union perf_event *event,
2323                               struct perf_sample *sample,
2324                               struct machine *machine)
2325 {
2326         if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2327                 return -1;
2328
2329         return print_event(tool, event, sample, machine, event->mmap.pid,
2330                            event->mmap.tid);
2331 }
2332
2333 static int process_mmap2_event(struct perf_tool *tool,
2334                               union perf_event *event,
2335                               struct perf_sample *sample,
2336                               struct machine *machine)
2337 {
2338         if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2339                 return -1;
2340
2341         return print_event(tool, event, sample, machine, event->mmap2.pid,
2342                            event->mmap2.tid);
2343 }
2344
2345 static int process_switch_event(struct perf_tool *tool,
2346                                 union perf_event *event,
2347                                 struct perf_sample *sample,
2348                                 struct machine *machine)
2349 {
2350         struct perf_script *script = container_of(tool, struct perf_script, tool);
2351
2352         if (perf_event__process_switch(tool, event, sample, machine) < 0)
2353                 return -1;
2354
2355         if (scripting_ops && scripting_ops->process_switch)
2356                 scripting_ops->process_switch(event, sample, machine);
2357
2358         if (!script->show_switch_events)
2359                 return 0;
2360
2361         return print_event(tool, event, sample, machine, sample->pid,
2362                            sample->tid);
2363 }
2364
2365 static int
2366 process_lost_event(struct perf_tool *tool,
2367                    union perf_event *event,
2368                    struct perf_sample *sample,
2369                    struct machine *machine)
2370 {
2371         return print_event(tool, event, sample, machine, sample->pid,
2372                            sample->tid);
2373 }
2374
2375 static int
2376 process_finished_round_event(struct perf_tool *tool __maybe_unused,
2377                              union perf_event *event,
2378                              struct ordered_events *oe __maybe_unused)
2379
2380 {
2381         perf_event__fprintf(event, NULL, stdout);
2382         return 0;
2383 }
2384
2385 static int
2386 process_bpf_events(struct perf_tool *tool __maybe_unused,
2387                    union perf_event *event,
2388                    struct perf_sample *sample,
2389                    struct machine *machine)
2390 {
2391         if (machine__process_ksymbol(machine, event, sample) < 0)
2392                 return -1;
2393
2394         return print_event(tool, event, sample, machine, sample->pid,
2395                            sample->tid);
2396 }
2397
2398 static int process_text_poke_events(struct perf_tool *tool,
2399                                     union perf_event *event,
2400                                     struct perf_sample *sample,
2401                                     struct machine *machine)
2402 {
2403         if (perf_event__process_text_poke(tool, event, sample, machine) < 0)
2404                 return -1;
2405
2406         return print_event(tool, event, sample, machine, sample->pid,
2407                            sample->tid);
2408 }
2409
2410 static void sig_handler(int sig __maybe_unused)
2411 {
2412         session_done = 1;
2413 }
2414
2415 static void perf_script__fclose_per_event_dump(struct perf_script *script)
2416 {
2417         struct evlist *evlist = script->session->evlist;
2418         struct evsel *evsel;
2419
2420         evlist__for_each_entry(evlist, evsel) {
2421                 if (!evsel->priv)
2422                         break;
2423                 perf_evsel_script__delete(evsel->priv);
2424                 evsel->priv = NULL;
2425         }
2426 }
2427
2428 static int perf_script__fopen_per_event_dump(struct perf_script *script)
2429 {
2430         struct evsel *evsel;
2431
2432         evlist__for_each_entry(script->session->evlist, evsel) {
2433                 /*
2434                  * Already setup? I.e. we may be called twice in cases like
2435                  * Intel PT, one for the intel_pt// and dummy events, then
2436                  * for the evsels syntheized from the auxtrace info.
2437                  *
2438                  * Ses perf_script__process_auxtrace_info.
2439                  */
2440                 if (evsel->priv != NULL)
2441                         continue;
2442
2443                 evsel->priv = perf_evsel_script__new(evsel, script->session->data);
2444                 if (evsel->priv == NULL)
2445                         goto out_err_fclose;
2446         }
2447
2448         return 0;
2449
2450 out_err_fclose:
2451         perf_script__fclose_per_event_dump(script);
2452         return -1;
2453 }
2454
2455 static int perf_script__setup_per_event_dump(struct perf_script *script)
2456 {
2457         struct evsel *evsel;
2458         static struct evsel_script es_stdout;
2459
2460         if (script->per_event_dump)
2461                 return perf_script__fopen_per_event_dump(script);
2462
2463         es_stdout.fp = stdout;
2464
2465         evlist__for_each_entry(script->session->evlist, evsel)
2466                 evsel->priv = &es_stdout;
2467
2468         return 0;
2469 }
2470
2471 static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2472 {
2473         struct evsel *evsel;
2474
2475         evlist__for_each_entry(script->session->evlist, evsel) {
2476                 struct evsel_script *es = evsel->priv;
2477
2478                 perf_evsel_script__fprintf(es, stdout);
2479                 perf_evsel_script__delete(es);
2480                 evsel->priv = NULL;
2481         }
2482 }
2483
2484 static int __cmd_script(struct perf_script *script)
2485 {
2486         int ret;
2487
2488         signal(SIGINT, sig_handler);
2489
2490         perf_stat__init_shadow_stats();
2491
2492         /* override event processing functions */
2493         if (script->show_task_events) {
2494                 script->tool.comm = process_comm_event;
2495                 script->tool.fork = process_fork_event;
2496                 script->tool.exit = process_exit_event;
2497         }
2498         if (script->show_mmap_events) {
2499                 script->tool.mmap = process_mmap_event;
2500                 script->tool.mmap2 = process_mmap2_event;
2501         }
2502         if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch))
2503                 script->tool.context_switch = process_switch_event;
2504         if (script->show_namespace_events)
2505                 script->tool.namespaces = process_namespaces_event;
2506         if (script->show_cgroup_events)
2507                 script->tool.cgroup = process_cgroup_event;
2508         if (script->show_lost_events)
2509                 script->tool.lost = process_lost_event;
2510         if (script->show_round_events) {
2511                 script->tool.ordered_events = false;
2512                 script->tool.finished_round = process_finished_round_event;
2513         }
2514         if (script->show_bpf_events) {
2515                 script->tool.ksymbol = process_bpf_events;
2516                 script->tool.bpf     = process_bpf_events;
2517         }
2518         if (script->show_text_poke_events) {
2519                 script->tool.ksymbol   = process_bpf_events;
2520                 script->tool.text_poke = process_text_poke_events;
2521         }
2522
2523         if (perf_script__setup_per_event_dump(script)) {
2524                 pr_err("Couldn't create the per event dump files\n");
2525                 return -1;
2526         }
2527
2528         ret = perf_session__process_events(script->session);
2529
2530         if (script->per_event_dump)
2531                 perf_script__exit_per_event_dump_stats(script);
2532
2533         if (debug_mode)
2534                 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2535
2536         return ret;
2537 }
2538
2539 struct script_spec {
2540         struct list_head        node;
2541         struct scripting_ops    *ops;
2542         char                    spec[];
2543 };
2544
2545 static LIST_HEAD(script_specs);
2546
2547 static struct script_spec *script_spec__new(const char *spec,
2548                                             struct scripting_ops *ops)
2549 {
2550         struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2551
2552         if (s != NULL) {
2553                 strcpy(s->spec, spec);
2554                 s->ops = ops;
2555         }
2556
2557         return s;
2558 }
2559
2560 static void script_spec__add(struct script_spec *s)
2561 {
2562         list_add_tail(&s->node, &script_specs);
2563 }
2564
2565 static struct script_spec *script_spec__find(const char *spec)
2566 {
2567         struct script_spec *s;
2568
2569         list_for_each_entry(s, &script_specs, node)
2570                 if (strcasecmp(s->spec, spec) == 0)
2571                         return s;
2572         return NULL;
2573 }
2574
2575 int script_spec_register(const char *spec, struct scripting_ops *ops)
2576 {
2577         struct script_spec *s;
2578
2579         s = script_spec__find(spec);
2580         if (s)
2581                 return -1;
2582
2583         s = script_spec__new(spec, ops);
2584         if (!s)
2585                 return -1;
2586         else
2587                 script_spec__add(s);
2588
2589         return 0;
2590 }
2591
2592 static struct scripting_ops *script_spec__lookup(const char *spec)
2593 {
2594         struct script_spec *s = script_spec__find(spec);
2595         if (!s)
2596                 return NULL;
2597
2598         return s->ops;
2599 }
2600
2601 static void list_available_languages(void)
2602 {
2603         struct script_spec *s;
2604
2605         fprintf(stderr, "\n");
2606         fprintf(stderr, "Scripting language extensions (used in "
2607                 "perf script -s [spec:]script.[spec]):\n\n");
2608
2609         list_for_each_entry(s, &script_specs, node)
2610                 fprintf(stderr, "  %-42s [%s]\n", s->spec, s->ops->name);
2611
2612         fprintf(stderr, "\n");
2613 }
2614
2615 static int parse_scriptname(const struct option *opt __maybe_unused,
2616                             const char *str, int unset __maybe_unused)
2617 {
2618         char spec[PATH_MAX];
2619         const char *script, *ext;
2620         int len;
2621
2622         if (strcmp(str, "lang") == 0) {
2623                 list_available_languages();
2624                 exit(0);
2625         }
2626
2627         script = strchr(str, ':');
2628         if (script) {
2629                 len = script - str;
2630                 if (len >= PATH_MAX) {
2631                         fprintf(stderr, "invalid language specifier");
2632                         return -1;
2633                 }
2634                 strncpy(spec, str, len);
2635                 spec[len] = '\0';
2636                 scripting_ops = script_spec__lookup(spec);
2637                 if (!scripting_ops) {
2638                         fprintf(stderr, "invalid language specifier");
2639                         return -1;
2640                 }
2641                 script++;
2642         } else {
2643                 script = str;
2644                 ext = strrchr(script, '.');
2645                 if (!ext) {
2646                         fprintf(stderr, "invalid script extension");
2647                         return -1;
2648                 }
2649                 scripting_ops = script_spec__lookup(++ext);
2650                 if (!scripting_ops) {
2651                         fprintf(stderr, "invalid script extension");
2652                         return -1;
2653                 }
2654         }
2655
2656         script_name = strdup(script);
2657
2658         return 0;
2659 }
2660
2661 static int parse_output_fields(const struct option *opt __maybe_unused,
2662                             const char *arg, int unset __maybe_unused)
2663 {
2664         char *tok, *strtok_saveptr = NULL;
2665         int i, imax = ARRAY_SIZE(all_output_options);
2666         int j;
2667         int rc = 0;
2668         char *str = strdup(arg);
2669         int type = -1;
2670         enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
2671
2672         if (!str)
2673                 return -ENOMEM;
2674
2675         /* first word can state for which event type the user is specifying
2676          * the fields. If no type exists, the specified fields apply to all
2677          * event types found in the file minus the invalid fields for a type.
2678          */
2679         tok = strchr(str, ':');
2680         if (tok) {
2681                 *tok = '\0';
2682                 tok++;
2683                 if (!strcmp(str, "hw"))
2684                         type = PERF_TYPE_HARDWARE;
2685                 else if (!strcmp(str, "sw"))
2686                         type = PERF_TYPE_SOFTWARE;
2687                 else if (!strcmp(str, "trace"))
2688                         type = PERF_TYPE_TRACEPOINT;
2689                 else if (!strcmp(str, "raw"))
2690                         type = PERF_TYPE_RAW;
2691                 else if (!strcmp(str, "break"))
2692                         type = PERF_TYPE_BREAKPOINT;
2693                 else if (!strcmp(str, "synth"))
2694                         type = OUTPUT_TYPE_SYNTH;
2695                 else {
2696                         fprintf(stderr, "Invalid event type in field string.\n");
2697                         rc = -EINVAL;
2698                         goto out;
2699                 }
2700
2701                 if (output[type].user_set)
2702                         pr_warning("Overriding previous field request for %s events.\n",
2703                                    event_type(type));
2704
2705                 /* Don't override defaults for +- */
2706                 if (strchr(tok, '+') || strchr(tok, '-'))
2707                         goto parse;
2708
2709                 output[type].fields = 0;
2710                 output[type].user_set = true;
2711                 output[type].wildcard_set = false;
2712
2713         } else {
2714                 tok = str;
2715                 if (strlen(str) == 0) {
2716                         fprintf(stderr,
2717                                 "Cannot set fields to 'none' for all event types.\n");
2718                         rc = -EINVAL;
2719                         goto out;
2720                 }
2721
2722                 /* Don't override defaults for +- */
2723                 if (strchr(str, '+') || strchr(str, '-'))
2724                         goto parse;
2725
2726                 if (output_set_by_user())
2727                         pr_warning("Overriding previous field request for all events.\n");
2728
2729                 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2730                         output[j].fields = 0;
2731                         output[j].user_set = true;
2732                         output[j].wildcard_set = true;
2733                 }
2734         }
2735
2736 parse:
2737         for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
2738                 if (*tok == '+') {
2739                         if (change == SET)
2740                                 goto out_badmix;
2741                         change = ADD;
2742                         tok++;
2743                 } else if (*tok == '-') {
2744                         if (change == SET)
2745                                 goto out_badmix;
2746                         change = REMOVE;
2747                         tok++;
2748                 } else {
2749                         if (change != SET && change != DEFAULT)
2750                                 goto out_badmix;
2751                         change = SET;
2752                 }
2753
2754                 for (i = 0; i < imax; ++i) {
2755                         if (strcmp(tok, all_output_options[i].str) == 0)
2756                                 break;
2757                 }
2758                 if (i == imax && strcmp(tok, "flags") == 0) {
2759                         print_flags = change == REMOVE ? false : true;
2760                         continue;
2761                 }
2762                 if (i == imax) {
2763                         fprintf(stderr, "Invalid field requested.\n");
2764                         rc = -EINVAL;
2765                         goto out;
2766                 }
2767
2768                 if (type == -1) {
2769                         /* add user option to all events types for
2770                          * which it is valid
2771                          */
2772                         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2773                                 if (output[j].invalid_fields & all_output_options[i].field) {
2774                                         pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
2775                                                    all_output_options[i].str, event_type(j));
2776                                 } else {
2777                                         if (change == REMOVE) {
2778                                                 output[j].fields &= ~all_output_options[i].field;
2779                                                 output[j].user_set_fields &= ~all_output_options[i].field;
2780                                                 output[j].user_unset_fields |= all_output_options[i].field;
2781                                         } else {
2782                                                 output[j].fields |= all_output_options[i].field;
2783                                                 output[j].user_set_fields |= all_output_options[i].field;
2784                                                 output[j].user_unset_fields &= ~all_output_options[i].field;
2785                                         }
2786                                         output[j].user_set = true;
2787                                         output[j].wildcard_set = true;
2788                                 }
2789                         }
2790                 } else {
2791                         if (output[type].invalid_fields & all_output_options[i].field) {
2792                                 fprintf(stderr, "\'%s\' not valid for %s events.\n",
2793                                          all_output_options[i].str, event_type(type));
2794
2795                                 rc = -EINVAL;
2796                                 goto out;
2797                         }
2798                         if (change == REMOVE)
2799                                 output[type].fields &= ~all_output_options[i].field;
2800                         else
2801                                 output[type].fields |= all_output_options[i].field;
2802                         output[type].user_set = true;
2803                         output[type].wildcard_set = true;
2804                 }
2805         }
2806
2807         if (type >= 0) {
2808                 if (output[type].fields == 0) {
2809                         pr_debug("No fields requested for %s type. "
2810                                  "Events will not be displayed.\n", event_type(type));
2811                 }
2812         }
2813         goto out;
2814
2815 out_badmix:
2816         fprintf(stderr, "Cannot mix +-field with overridden fields\n");
2817         rc = -EINVAL;
2818 out:
2819         free(str);
2820         return rc;
2821 }
2822
2823 #define for_each_lang(scripts_path, scripts_dir, lang_dirent)           \
2824         while ((lang_dirent = readdir(scripts_dir)) != NULL)            \
2825                 if ((lang_dirent->d_type == DT_DIR ||                   \
2826                      (lang_dirent->d_type == DT_UNKNOWN &&              \
2827                       is_directory(scripts_path, lang_dirent))) &&      \
2828                     (strcmp(lang_dirent->d_name, ".")) &&               \
2829                     (strcmp(lang_dirent->d_name, "..")))
2830
2831 #define for_each_script(lang_path, lang_dir, script_dirent)             \
2832         while ((script_dirent = readdir(lang_dir)) != NULL)             \
2833                 if (script_dirent->d_type != DT_DIR &&                  \
2834                     (script_dirent->d_type != DT_UNKNOWN ||             \
2835                      !is_directory(lang_path, script_dirent)))
2836
2837
2838 #define RECORD_SUFFIX                   "-record"
2839 #define REPORT_SUFFIX                   "-report"
2840
2841 struct script_desc {
2842         struct list_head        node;
2843         char                    *name;
2844         char                    *half_liner;
2845         char                    *args;
2846 };
2847
2848 static LIST_HEAD(script_descs);
2849
2850 static struct script_desc *script_desc__new(const char *name)
2851 {
2852         struct script_desc *s = zalloc(sizeof(*s));
2853
2854         if (s != NULL && name)
2855                 s->name = strdup(name);
2856
2857         return s;
2858 }
2859
2860 static void script_desc__delete(struct script_desc *s)
2861 {
2862         zfree(&s->name);
2863         zfree(&s->half_liner);
2864         zfree(&s->args);
2865         free(s);
2866 }
2867
2868 static void script_desc__add(struct script_desc *s)
2869 {
2870         list_add_tail(&s->node, &script_descs);
2871 }
2872
2873 static struct script_desc *script_desc__find(const char *name)
2874 {
2875         struct script_desc *s;
2876
2877         list_for_each_entry(s, &script_descs, node)
2878                 if (strcasecmp(s->name, name) == 0)
2879                         return s;
2880         return NULL;
2881 }
2882
2883 static struct script_desc *script_desc__findnew(const char *name)
2884 {
2885         struct script_desc *s = script_desc__find(name);
2886
2887         if (s)
2888                 return s;
2889
2890         s = script_desc__new(name);
2891         if (!s)
2892                 return NULL;
2893
2894         script_desc__add(s);
2895
2896         return s;
2897 }
2898
2899 static const char *ends_with(const char *str, const char *suffix)
2900 {
2901         size_t suffix_len = strlen(suffix);
2902         const char *p = str;
2903
2904         if (strlen(str) > suffix_len) {
2905                 p = str + strlen(str) - suffix_len;
2906                 if (!strncmp(p, suffix, suffix_len))
2907                         return p;
2908         }
2909
2910         return NULL;
2911 }
2912
2913 static int read_script_info(struct script_desc *desc, const char *filename)
2914 {
2915         char line[BUFSIZ], *p;
2916         FILE *fp;
2917
2918         fp = fopen(filename, "r");
2919         if (!fp)
2920                 return -1;
2921
2922         while (fgets(line, sizeof(line), fp)) {
2923                 p = skip_spaces(line);
2924                 if (strlen(p) == 0)
2925                         continue;
2926                 if (*p != '#')
2927                         continue;
2928                 p++;
2929                 if (strlen(p) && *p == '!')
2930                         continue;
2931
2932                 p = skip_spaces(p);
2933                 if (strlen(p) && p[strlen(p) - 1] == '\n')
2934                         p[strlen(p) - 1] = '\0';
2935
2936                 if (!strncmp(p, "description:", strlen("description:"))) {
2937                         p += strlen("description:");
2938                         desc->half_liner = strdup(skip_spaces(p));
2939                         continue;
2940                 }
2941
2942                 if (!strncmp(p, "args:", strlen("args:"))) {
2943                         p += strlen("args:");
2944                         desc->args = strdup(skip_spaces(p));
2945                         continue;
2946                 }
2947         }
2948
2949         fclose(fp);
2950
2951         return 0;
2952 }
2953
2954 static char *get_script_root(struct dirent *script_dirent, const char *suffix)
2955 {
2956         char *script_root, *str;
2957
2958         script_root = strdup(script_dirent->d_name);
2959         if (!script_root)
2960                 return NULL;
2961
2962         str = (char *)ends_with(script_root, suffix);
2963         if (!str) {
2964                 free(script_root);
2965                 return NULL;
2966         }
2967
2968         *str = '\0';
2969         return script_root;
2970 }
2971
2972 static int list_available_scripts(const struct option *opt __maybe_unused,
2973                                   const char *s __maybe_unused,
2974                                   int unset __maybe_unused)
2975 {
2976         struct dirent *script_dirent, *lang_dirent;
2977         char scripts_path[MAXPATHLEN];
2978         DIR *scripts_dir, *lang_dir;
2979         char script_path[MAXPATHLEN];
2980         char lang_path[MAXPATHLEN];
2981         struct script_desc *desc;
2982         char first_half[BUFSIZ];
2983         char *script_root;
2984
2985         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2986
2987         scripts_dir = opendir(scripts_path);
2988         if (!scripts_dir) {
2989                 fprintf(stdout,
2990                         "open(%s) failed.\n"
2991                         "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
2992                         scripts_path);
2993                 exit(-1);
2994         }
2995
2996         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2997                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
2998                           lang_dirent->d_name);
2999                 lang_dir = opendir(lang_path);
3000                 if (!lang_dir)
3001                         continue;
3002
3003                 for_each_script(lang_path, lang_dir, script_dirent) {
3004                         script_root = get_script_root(script_dirent, REPORT_SUFFIX);
3005                         if (script_root) {
3006                                 desc = script_desc__findnew(script_root);
3007                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3008                                           lang_path, script_dirent->d_name);
3009                                 read_script_info(desc, script_path);
3010                                 free(script_root);
3011                         }
3012                 }
3013         }
3014
3015         fprintf(stdout, "List of available trace scripts:\n");
3016         list_for_each_entry(desc, &script_descs, node) {
3017                 sprintf(first_half, "%s %s", desc->name,
3018                         desc->args ? desc->args : "");
3019                 fprintf(stdout, "  %-36s %s\n", first_half,
3020                         desc->half_liner ? desc->half_liner : "");
3021         }
3022
3023         exit(0);
3024 }
3025
3026 /*
3027  * Some scripts specify the required events in their "xxx-record" file,
3028  * this function will check if the events in perf.data match those
3029  * mentioned in the "xxx-record".
3030  *
3031  * Fixme: All existing "xxx-record" are all in good formats "-e event ",
3032  * which is covered well now. And new parsing code should be added to
3033  * cover the future complexing formats like event groups etc.
3034  */
3035 static int check_ev_match(char *dir_name, char *scriptname,
3036                         struct perf_session *session)
3037 {
3038         char filename[MAXPATHLEN], evname[128];
3039         char line[BUFSIZ], *p;
3040         struct evsel *pos;
3041         int match, len;
3042         FILE *fp;
3043
3044         scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
3045
3046         fp = fopen(filename, "r");
3047         if (!fp)
3048                 return -1;
3049
3050         while (fgets(line, sizeof(line), fp)) {
3051                 p = skip_spaces(line);
3052                 if (*p == '#')
3053                         continue;
3054
3055                 while (strlen(p)) {
3056                         p = strstr(p, "-e");
3057                         if (!p)
3058                                 break;
3059
3060                         p += 2;
3061                         p = skip_spaces(p);
3062                         len = strcspn(p, " \t");
3063                         if (!len)
3064                                 break;
3065
3066                         snprintf(evname, len + 1, "%s", p);
3067
3068                         match = 0;
3069                         evlist__for_each_entry(session->evlist, pos) {
3070                                 if (!strcmp(evsel__name(pos), evname)) {
3071                                         match = 1;
3072                                         break;
3073                                 }
3074                         }
3075
3076                         if (!match) {
3077                                 fclose(fp);
3078                                 return -1;
3079                         }
3080                 }
3081         }
3082
3083         fclose(fp);
3084         return 0;
3085 }
3086
3087 /*
3088  * Return -1 if none is found, otherwise the actual scripts number.
3089  *
3090  * Currently the only user of this function is the script browser, which
3091  * will list all statically runnable scripts, select one, execute it and
3092  * show the output in a perf browser.
3093  */
3094 int find_scripts(char **scripts_array, char **scripts_path_array, int num,
3095                  int pathlen)
3096 {
3097         struct dirent *script_dirent, *lang_dirent;
3098         char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
3099         DIR *scripts_dir, *lang_dir;
3100         struct perf_session *session;
3101         struct perf_data data = {
3102                 .path = input_name,
3103                 .mode = PERF_DATA_MODE_READ,
3104         };
3105         char *temp;
3106         int i = 0;
3107
3108         session = perf_session__new(&data, false, NULL);
3109         if (IS_ERR(session))
3110                 return PTR_ERR(session);
3111
3112         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3113
3114         scripts_dir = opendir(scripts_path);
3115         if (!scripts_dir) {
3116                 perf_session__delete(session);
3117                 return -1;
3118         }
3119
3120         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3121                 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
3122                           lang_dirent->d_name);
3123 #ifndef HAVE_LIBPERL_SUPPORT
3124                 if (strstr(lang_path, "perl"))
3125                         continue;
3126 #endif
3127 #ifndef HAVE_LIBPYTHON_SUPPORT
3128                 if (strstr(lang_path, "python"))
3129                         continue;
3130 #endif
3131
3132                 lang_dir = opendir(lang_path);
3133                 if (!lang_dir)
3134                         continue;
3135
3136                 for_each_script(lang_path, lang_dir, script_dirent) {
3137                         /* Skip those real time scripts: xxxtop.p[yl] */
3138                         if (strstr(script_dirent->d_name, "top."))
3139                                 continue;
3140                         if (i >= num)
3141                                 break;
3142                         snprintf(scripts_path_array[i], pathlen, "%s/%s",
3143                                 lang_path,
3144                                 script_dirent->d_name);
3145                         temp = strchr(script_dirent->d_name, '.');
3146                         snprintf(scripts_array[i],
3147                                 (temp - script_dirent->d_name) + 1,
3148                                 "%s", script_dirent->d_name);
3149
3150                         if (check_ev_match(lang_path,
3151                                         scripts_array[i], session))
3152                                 continue;
3153
3154                         i++;
3155                 }
3156                 closedir(lang_dir);
3157         }
3158
3159         closedir(scripts_dir);
3160         perf_session__delete(session);
3161         return i;
3162 }
3163
3164 static char *get_script_path(const char *script_root, const char *suffix)
3165 {
3166         struct dirent *script_dirent, *lang_dirent;
3167         char scripts_path[MAXPATHLEN];
3168         char script_path[MAXPATHLEN];
3169         DIR *scripts_dir, *lang_dir;
3170         char lang_path[MAXPATHLEN];
3171         char *__script_root;
3172
3173         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3174
3175         scripts_dir = opendir(scripts_path);
3176         if (!scripts_dir)
3177                 return NULL;
3178
3179         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3180                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3181                           lang_dirent->d_name);
3182                 lang_dir = opendir(lang_path);
3183                 if (!lang_dir)
3184                         continue;
3185
3186                 for_each_script(lang_path, lang_dir, script_dirent) {
3187                         __script_root = get_script_root(script_dirent, suffix);
3188                         if (__script_root && !strcmp(script_root, __script_root)) {
3189                                 free(__script_root);
3190                                 closedir(scripts_dir);
3191                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3192                                           lang_path, script_dirent->d_name);
3193                                 closedir(lang_dir);
3194                                 return strdup(script_path);
3195                         }
3196                         free(__script_root);
3197                 }
3198                 closedir(lang_dir);
3199         }
3200         closedir(scripts_dir);
3201
3202         return NULL;
3203 }
3204
3205 static bool is_top_script(const char *script_path)
3206 {
3207         return ends_with(script_path, "top") == NULL ? false : true;
3208 }
3209
3210 static int has_required_arg(char *script_path)
3211 {
3212         struct script_desc *desc;
3213         int n_args = 0;
3214         char *p;
3215
3216         desc = script_desc__new(NULL);
3217
3218         if (read_script_info(desc, script_path))
3219                 goto out;
3220
3221         if (!desc->args)
3222                 goto out;
3223
3224         for (p = desc->args; *p; p++)
3225                 if (*p == '<')
3226                         n_args++;
3227 out:
3228         script_desc__delete(desc);
3229
3230         return n_args;
3231 }
3232
3233 static int have_cmd(int argc, const char **argv)
3234 {
3235         char **__argv = malloc(sizeof(const char *) * argc);
3236
3237         if (!__argv) {
3238                 pr_err("malloc failed\n");
3239                 return -1;
3240         }
3241
3242         memcpy(__argv, argv, sizeof(const char *) * argc);
3243         argc = parse_options(argc, (const char **)__argv, record_options,
3244                              NULL, PARSE_OPT_STOP_AT_NON_OPTION);
3245         free(__argv);
3246
3247         system_wide = (argc == 0);
3248
3249         return 0;
3250 }
3251
3252 static void script__setup_sample_type(struct perf_script *script)
3253 {
3254         struct perf_session *session = script->session;
3255         u64 sample_type = evlist__combined_sample_type(session->evlist);
3256
3257         if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
3258                 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
3259                     (sample_type & PERF_SAMPLE_STACK_USER)) {
3260                         callchain_param.record_mode = CALLCHAIN_DWARF;
3261                         dwarf_callchain_users = true;
3262                 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
3263                         callchain_param.record_mode = CALLCHAIN_LBR;
3264                 else
3265                         callchain_param.record_mode = CALLCHAIN_FP;
3266         }
3267
3268         if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) {
3269                 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
3270                            "Please apply --call-graph lbr when recording.\n");
3271                 script->stitch_lbr = false;
3272         }
3273 }
3274
3275 static int process_stat_round_event(struct perf_session *session,
3276                                     union perf_event *event)
3277 {
3278         struct perf_record_stat_round *round = &event->stat_round;
3279         struct evsel *counter;
3280
3281         evlist__for_each_entry(session->evlist, counter) {
3282                 perf_stat_process_counter(&stat_config, counter);
3283                 process_stat(counter, round->time);
3284         }
3285
3286         process_stat_interval(round->time);
3287         return 0;
3288 }
3289
3290 static int process_stat_config_event(struct perf_session *session __maybe_unused,
3291                                      union perf_event *event)
3292 {
3293         perf_event__read_stat_config(&stat_config, &event->stat_config);
3294         return 0;
3295 }
3296
3297 static int set_maps(struct perf_script *script)
3298 {
3299         struct evlist *evlist = script->session->evlist;
3300
3301         if (!script->cpus || !script->threads)
3302                 return 0;
3303
3304         if (WARN_ONCE(script->allocated, "stats double allocation\n"))
3305                 return -EINVAL;
3306
3307         perf_evlist__set_maps(&evlist->core, script->cpus, script->threads);
3308
3309         if (perf_evlist__alloc_stats(evlist, true))
3310                 return -ENOMEM;
3311
3312         script->allocated = true;
3313         return 0;
3314 }
3315
3316 static
3317 int process_thread_map_event(struct perf_session *session,
3318                              union perf_event *event)
3319 {
3320         struct perf_tool *tool = session->tool;
3321         struct perf_script *script = container_of(tool, struct perf_script, tool);
3322
3323         if (script->threads) {
3324                 pr_warning("Extra thread map event, ignoring.\n");
3325                 return 0;
3326         }
3327
3328         script->threads = thread_map__new_event(&event->thread_map);
3329         if (!script->threads)
3330                 return -ENOMEM;
3331
3332         return set_maps(script);
3333 }
3334
3335 static
3336 int process_cpu_map_event(struct perf_session *session,
3337                           union perf_event *event)
3338 {
3339         struct perf_tool *tool = session->tool;
3340         struct perf_script *script = container_of(tool, struct perf_script, tool);
3341
3342         if (script->cpus) {
3343                 pr_warning("Extra cpu map event, ignoring.\n");
3344                 return 0;
3345         }
3346
3347         script->cpus = cpu_map__new_data(&event->cpu_map.data);
3348         if (!script->cpus)
3349                 return -ENOMEM;
3350
3351         return set_maps(script);
3352 }
3353
3354 static int process_feature_event(struct perf_session *session,
3355                                  union perf_event *event)
3356 {
3357         if (event->feat.feat_id < HEADER_LAST_FEATURE)
3358                 return perf_event__process_feature(session, event);
3359         return 0;
3360 }
3361
3362 #ifdef HAVE_AUXTRACE_SUPPORT
3363 static int perf_script__process_auxtrace_info(struct perf_session *session,
3364                                               union perf_event *event)
3365 {
3366         struct perf_tool *tool = session->tool;
3367
3368         int ret = perf_event__process_auxtrace_info(session, event);
3369
3370         if (ret == 0) {
3371                 struct perf_script *script = container_of(tool, struct perf_script, tool);
3372
3373                 ret = perf_script__setup_per_event_dump(script);
3374         }
3375
3376         return ret;
3377 }
3378 #else
3379 #define perf_script__process_auxtrace_info 0
3380 #endif
3381
3382 static int parse_insn_trace(const struct option *opt __maybe_unused,
3383                             const char *str __maybe_unused,
3384                             int unset __maybe_unused)
3385 {
3386         parse_output_fields(NULL, "+insn,-event,-period", 0);
3387         itrace_parse_synth_opts(opt, "i0ns", 0);
3388         symbol_conf.nanosecs = true;
3389         return 0;
3390 }
3391
3392 static int parse_xed(const struct option *opt __maybe_unused,
3393                      const char *str __maybe_unused,
3394                      int unset __maybe_unused)
3395 {
3396         if (isatty(1))
3397                 force_pager("xed -F insn: -A -64 | less");
3398         else
3399                 force_pager("xed -F insn: -A -64");
3400         return 0;
3401 }
3402
3403 static int parse_call_trace(const struct option *opt __maybe_unused,
3404                             const char *str __maybe_unused,
3405                             int unset __maybe_unused)
3406 {
3407         parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
3408         itrace_parse_synth_opts(opt, "cewp", 0);
3409         symbol_conf.nanosecs = true;
3410         symbol_conf.pad_output_len_dso = 50;
3411         return 0;
3412 }
3413
3414 static int parse_callret_trace(const struct option *opt __maybe_unused,
3415                             const char *str __maybe_unused,
3416                             int unset __maybe_unused)
3417 {
3418         parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
3419         itrace_parse_synth_opts(opt, "crewp", 0);
3420         symbol_conf.nanosecs = true;
3421         return 0;
3422 }
3423
3424 int cmd_script(int argc, const char **argv)
3425 {
3426         bool show_full_info = false;
3427         bool header = false;
3428         bool header_only = false;
3429         bool script_started = false;
3430         char *rec_script_path = NULL;
3431         char *rep_script_path = NULL;
3432         struct perf_session *session;
3433         struct itrace_synth_opts itrace_synth_opts = {
3434                 .set = false,
3435                 .default_no_sample = true,
3436         };
3437         struct utsname uts;
3438         char *script_path = NULL;
3439         const char **__argv;
3440         int i, j, err = 0;
3441         struct perf_script script = {
3442                 .tool = {
3443                         .sample          = process_sample_event,
3444                         .mmap            = perf_event__process_mmap,
3445                         .mmap2           = perf_event__process_mmap2,
3446                         .comm            = perf_event__process_comm,
3447                         .namespaces      = perf_event__process_namespaces,
3448                         .cgroup          = perf_event__process_cgroup,
3449                         .exit            = perf_event__process_exit,
3450                         .fork            = perf_event__process_fork,
3451                         .attr            = process_attr,
3452                         .event_update   = perf_event__process_event_update,
3453                         .tracing_data    = perf_event__process_tracing_data,
3454                         .feature         = process_feature_event,
3455                         .build_id        = perf_event__process_build_id,
3456                         .id_index        = perf_event__process_id_index,
3457                         .auxtrace_info   = perf_script__process_auxtrace_info,
3458                         .auxtrace        = perf_event__process_auxtrace,
3459                         .auxtrace_error  = perf_event__process_auxtrace_error,
3460                         .stat            = perf_event__process_stat_event,
3461                         .stat_round      = process_stat_round_event,
3462                         .stat_config     = process_stat_config_event,
3463                         .thread_map      = process_thread_map_event,
3464                         .cpu_map         = process_cpu_map_event,
3465                         .ordered_events  = true,
3466                         .ordering_requires_timestamps = true,
3467                 },
3468         };
3469         struct perf_data data = {
3470                 .mode = PERF_DATA_MODE_READ,
3471         };
3472         const struct option options[] = {
3473         OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3474                     "dump raw trace in ASCII"),
3475         OPT_INCR('v', "verbose", &verbose,
3476                  "be more verbose (show symbol address, etc)"),
3477         OPT_BOOLEAN('L', "Latency", &latency_format,
3478                     "show latency attributes (irqs/preemption disabled, etc)"),
3479         OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3480                            list_available_scripts),
3481         OPT_CALLBACK('s', "script", NULL, "name",
3482                      "script file name (lang:script name, script name, or *)",
3483                      parse_scriptname),
3484         OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3485                    "generate perf-script.xx script in specified language"),
3486         OPT_STRING('i', "input", &input_name, "file", "input file name"),
3487         OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3488                    "do various checks like samples ordering and lost events"),
3489         OPT_BOOLEAN(0, "header", &header, "Show data header."),
3490         OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3491         OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3492                    "file", "vmlinux pathname"),
3493         OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3494                    "file", "kallsyms pathname"),
3495         OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3496                     "When printing symbols do not display call chain"),
3497         OPT_CALLBACK(0, "symfs", NULL, "directory",
3498                      "Look for files with symbols relative to this directory",
3499                      symbol__config_symfs),
3500         OPT_CALLBACK('F', "fields", NULL, "str",
3501                      "comma separated output fields prepend with 'type:'. "
3502                      "+field to add and -field to remove."
3503                      "Valid types: hw,sw,trace,raw,synth. "
3504                      "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
3505                      "addr,symoff,srcline,period,iregs,uregs,brstack,"
3506                      "brstacksym,flags,bpf-output,brstackinsn,brstackoff,"
3507                      "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc,tod",
3508                      parse_output_fields),
3509         OPT_BOOLEAN('a', "all-cpus", &system_wide,
3510                     "system-wide collection from all CPUs"),
3511         OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3512                    "only consider these symbols"),
3513         OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL,
3514                         "Decode instructions from itrace", parse_insn_trace),
3515         OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
3516                         "Run xed disassembler on output", parse_xed),
3517         OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
3518                         "Decode calls from from itrace", parse_call_trace),
3519         OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
3520                         "Decode calls and returns from itrace", parse_callret_trace),
3521         OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",
3522                         "Only print symbols and callees with --call-trace/--call-ret-trace"),
3523         OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3524                    "Stop display of callgraph at these symbols"),
3525         OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3526         OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3527                    "only display events for these comms"),
3528         OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3529                    "only consider symbols in these pids"),
3530         OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3531                    "only consider symbols in these tids"),
3532         OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3533                      "Set the maximum stack depth when parsing the callchain, "
3534                      "anything beyond the specified depth will be ignored. "
3535                      "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3536         OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"),
3537         OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"),
3538         OPT_BOOLEAN('I', "show-info", &show_full_info,
3539                     "display extended information from perf.data file"),
3540         OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3541                     "Show the path of [kernel.kallsyms]"),
3542         OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3543                     "Show the fork/comm/exit events"),
3544         OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3545                     "Show the mmap events"),
3546         OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3547                     "Show context switch events (if recorded)"),
3548         OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3549                     "Show namespace events (if recorded)"),
3550         OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events,
3551                     "Show cgroup events (if recorded)"),
3552         OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3553                     "Show lost events (if recorded)"),
3554         OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3555                     "Show round events (if recorded)"),
3556         OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events,
3557                     "Show bpf related events (if recorded)"),
3558         OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events,
3559                     "Show text poke related events (if recorded)"),
3560         OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
3561                     "Dump trace output to files named by the monitored events"),
3562         OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3563         OPT_INTEGER(0, "max-blocks", &max_blocks,
3564                     "Maximum number of code blocks to dump with brstackinsn"),
3565         OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs,
3566                     "Use 9 decimal places when displaying time"),
3567         OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
3568                             "Instruction Tracing options\n" ITRACE_HELP,
3569                             itrace_parse_synth_opts),
3570         OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
3571                         "Show full source file name path for source lines"),
3572         OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
3573                         "Enable symbol demangling"),
3574         OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
3575                         "Enable kernel symbol demangling"),
3576         OPT_STRING(0, "time", &script.time_str, "str",
3577                    "Time span of interest (start,stop)"),
3578         OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
3579                     "Show inline function"),
3580         OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
3581                    "guest mount directory under which every guest os"
3582                    " instance has a subdir"),
3583         OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name,
3584                    "file", "file saving guest os vmlinux"),
3585         OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms,
3586                    "file", "file saving guest os /proc/kallsyms"),
3587         OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
3588                    "file", "file saving guest os /proc/modules"),
3589         OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr,
3590                     "Enable LBR callgraph stitching approach"),
3591         OPTS_EVSWITCH(&script.evswitch),
3592         OPT_END()
3593         };
3594         const char * const script_subcommands[] = { "record", "report", NULL };
3595         const char *script_usage[] = {
3596                 "perf script [<options>]",
3597                 "perf script [<options>] record <script> [<record-options>] <command>",
3598                 "perf script [<options>] report <script> [script-args]",
3599                 "perf script [<options>] <script> [<record-options>] <command>",
3600                 "perf script [<options>] <top-script> [script-args]",
3601                 NULL
3602         };
3603
3604         perf_set_singlethreaded();
3605
3606         setup_scripting();
3607
3608         argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3609                              PARSE_OPT_STOP_AT_NON_OPTION);
3610
3611         if (symbol_conf.guestmount ||
3612             symbol_conf.default_guest_vmlinux_name ||
3613             symbol_conf.default_guest_kallsyms ||
3614             symbol_conf.default_guest_modules) {
3615                 /*
3616                  * Enable guest sample processing.
3617                  */
3618                 perf_guest = true;
3619         }
3620
3621         data.path  = input_name;
3622         data.force = symbol_conf.force;
3623
3624         if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
3625                 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
3626                 if (!rec_script_path)
3627                         return cmd_record(argc, argv);
3628         }
3629
3630         if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
3631                 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
3632                 if (!rep_script_path) {
3633                         fprintf(stderr,
3634                                 "Please specify a valid report script"
3635                                 "(see 'perf script -l' for listing)\n");
3636                         return -1;
3637                 }
3638         }
3639
3640         if (reltime && deltatime) {
3641                 fprintf(stderr,
3642                         "reltime and deltatime - the two don't get along well. "
3643                         "Please limit to --reltime or --deltatime.\n");
3644                 return -1;
3645         }
3646
3647         if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) &&
3648             itrace_synth_opts.callchain_sz > scripting_max_stack)
3649                 scripting_max_stack = itrace_synth_opts.callchain_sz;
3650
3651         /* make sure PERF_EXEC_PATH is set for scripts */
3652         set_argv_exec_path(get_argv_exec_path());
3653
3654         if (argc && !script_name && !rec_script_path && !rep_script_path) {
3655                 int live_pipe[2];
3656                 int rep_args;
3657                 pid_t pid;
3658
3659                 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
3660                 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
3661
3662                 if (!rec_script_path && !rep_script_path) {
3663                         usage_with_options_msg(script_usage, options,
3664                                 "Couldn't find script `%s'\n\n See perf"
3665                                 " script -l for available scripts.\n", argv[0]);
3666                 }
3667
3668                 if (is_top_script(argv[0])) {
3669                         rep_args = argc - 1;
3670                 } else {
3671                         int rec_args;
3672
3673                         rep_args = has_required_arg(rep_script_path);
3674                         rec_args = (argc - 1) - rep_args;
3675                         if (rec_args < 0) {
3676                                 usage_with_options_msg(script_usage, options,
3677                                         "`%s' script requires options."
3678                                         "\n\n See perf script -l for available "
3679                                         "scripts and options.\n", argv[0]);
3680                         }
3681                 }
3682
3683                 if (pipe(live_pipe) < 0) {
3684                         perror("failed to create pipe");
3685                         return -1;
3686                 }
3687
3688                 pid = fork();
3689                 if (pid < 0) {
3690                         perror("failed to fork");
3691                         return -1;
3692                 }
3693
3694                 if (!pid) {
3695                         j = 0;
3696
3697                         dup2(live_pipe[1], 1);
3698                         close(live_pipe[0]);
3699
3700                         if (is_top_script(argv[0])) {
3701                                 system_wide = true;
3702                         } else if (!system_wide) {
3703                                 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
3704                                         err = -1;
3705                                         goto out;
3706                                 }
3707                         }
3708
3709                         __argv = malloc((argc + 6) * sizeof(const char *));
3710                         if (!__argv) {
3711                                 pr_err("malloc failed\n");
3712                                 err = -ENOMEM;
3713                                 goto out;
3714                         }
3715
3716                         __argv[j++] = "/bin/sh";
3717                         __argv[j++] = rec_script_path;
3718                         if (system_wide)
3719                                 __argv[j++] = "-a";
3720                         __argv[j++] = "-q";
3721                         __argv[j++] = "-o";
3722                         __argv[j++] = "-";
3723                         for (i = rep_args + 1; i < argc; i++)
3724                                 __argv[j++] = argv[i];
3725                         __argv[j++] = NULL;
3726
3727                         execvp("/bin/sh", (char **)__argv);
3728                         free(__argv);
3729                         exit(-1);
3730                 }
3731
3732                 dup2(live_pipe[0], 0);
3733                 close(live_pipe[1]);
3734
3735                 __argv = malloc((argc + 4) * sizeof(const char *));
3736                 if (!__argv) {
3737                         pr_err("malloc failed\n");
3738                         err = -ENOMEM;
3739                         goto out;
3740                 }
3741
3742                 j = 0;
3743                 __argv[j++] = "/bin/sh";
3744                 __argv[j++] = rep_script_path;
3745                 for (i = 1; i < rep_args + 1; i++)
3746                         __argv[j++] = argv[i];
3747                 __argv[j++] = "-i";
3748                 __argv[j++] = "-";
3749                 __argv[j++] = NULL;
3750
3751                 execvp("/bin/sh", (char **)__argv);
3752                 free(__argv);
3753                 exit(-1);
3754         }
3755
3756         if (rec_script_path)
3757                 script_path = rec_script_path;
3758         if (rep_script_path)
3759                 script_path = rep_script_path;
3760
3761         if (script_path) {
3762                 j = 0;
3763
3764                 if (!rec_script_path)
3765                         system_wide = false;
3766                 else if (!system_wide) {
3767                         if (have_cmd(argc - 1, &argv[1]) != 0) {
3768                                 err = -1;
3769                                 goto out;
3770                         }
3771                 }
3772
3773                 __argv = malloc((argc + 2) * sizeof(const char *));
3774                 if (!__argv) {
3775                         pr_err("malloc failed\n");
3776                         err = -ENOMEM;
3777                         goto out;
3778                 }
3779
3780                 __argv[j++] = "/bin/sh";
3781                 __argv[j++] = script_path;
3782                 if (system_wide)
3783                         __argv[j++] = "-a";
3784                 for (i = 2; i < argc; i++)
3785                         __argv[j++] = argv[i];
3786                 __argv[j++] = NULL;
3787
3788                 execvp("/bin/sh", (char **)__argv);
3789                 free(__argv);
3790                 exit(-1);
3791         }
3792
3793         if (!script_name) {
3794                 setup_pager();
3795                 use_browser = 0;
3796         }
3797
3798         session = perf_session__new(&data, false, &script.tool);
3799         if (IS_ERR(session))
3800                 return PTR_ERR(session);
3801
3802         if (header || header_only) {
3803                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
3804                 perf_session__fprintf_info(session, stdout, show_full_info);
3805                 if (header_only)
3806                         goto out_delete;
3807         }
3808         if (show_full_info)
3809                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
3810
3811         if (symbol__init(&session->header.env) < 0)
3812                 goto out_delete;
3813
3814         uname(&uts);
3815         if (data.is_pipe ||  /* assume pipe_mode indicates native_arch */
3816             !strcmp(uts.machine, session->header.env.arch) ||
3817             (!strcmp(uts.machine, "x86_64") &&
3818              !strcmp(session->header.env.arch, "i386")))
3819                 native_arch = true;
3820
3821         script.session = session;
3822         script__setup_sample_type(&script);
3823
3824         if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) ||
3825             symbol_conf.graph_function)
3826                 itrace_synth_opts.thread_stack = true;
3827
3828         session->itrace_synth_opts = &itrace_synth_opts;
3829
3830         if (cpu_list) {
3831                 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
3832                 if (err < 0)
3833                         goto out_delete;
3834                 itrace_synth_opts.cpu_bitmap = cpu_bitmap;
3835         }
3836
3837         if (!no_callchain)
3838                 symbol_conf.use_callchain = true;
3839         else
3840                 symbol_conf.use_callchain = false;
3841
3842         if (session->tevent.pevent &&
3843             tep_set_function_resolver(session->tevent.pevent,
3844                                       machine__resolve_kernel_addr,
3845                                       &session->machines.host) < 0) {
3846                 pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
3847                 err = -1;
3848                 goto out_delete;
3849         }
3850
3851         if (generate_script_lang) {
3852                 struct stat perf_stat;
3853                 int input;
3854
3855                 if (output_set_by_user()) {
3856                         fprintf(stderr,
3857                                 "custom fields not supported for generated scripts");
3858                         err = -EINVAL;
3859                         goto out_delete;
3860                 }
3861
3862                 input = open(data.path, O_RDONLY);      /* input_name */
3863                 if (input < 0) {
3864                         err = -errno;
3865                         perror("failed to open file");
3866                         goto out_delete;
3867                 }
3868
3869                 err = fstat(input, &perf_stat);
3870                 if (err < 0) {
3871                         perror("failed to stat file");
3872                         goto out_delete;
3873                 }
3874
3875                 if (!perf_stat.st_size) {
3876                         fprintf(stderr, "zero-sized file, nothing to do!\n");
3877                         goto out_delete;
3878                 }
3879
3880                 scripting_ops = script_spec__lookup(generate_script_lang);
3881                 if (!scripting_ops) {
3882                         fprintf(stderr, "invalid language specifier");
3883                         err = -ENOENT;
3884                         goto out_delete;
3885                 }
3886
3887                 err = scripting_ops->generate_script(session->tevent.pevent,
3888                                                      "perf-script");
3889                 goto out_delete;
3890         }
3891
3892         if (script_name) {
3893                 err = scripting_ops->start_script(script_name, argc, argv);
3894                 if (err)
3895                         goto out_delete;
3896                 pr_debug("perf script started with script %s\n\n", script_name);
3897                 script_started = true;
3898         }
3899
3900
3901         err = perf_session__check_output_opt(session);
3902         if (err < 0)
3903                 goto out_delete;
3904
3905         if (script.time_str) {
3906                 err = perf_time__parse_for_ranges_reltime(script.time_str, session,
3907                                                   &script.ptime_range,
3908                                                   &script.range_size,
3909                                                   &script.range_num,
3910                                                   reltime);
3911                 if (err < 0)
3912                         goto out_delete;
3913
3914                 itrace_synth_opts__set_time_range(&itrace_synth_opts,
3915                                                   script.ptime_range,
3916                                                   script.range_num);
3917         }
3918
3919         err = evswitch__init(&script.evswitch, session->evlist, stderr);
3920         if (err)
3921                 goto out_delete;
3922
3923         if (zstd_init(&(session->zstd_data), 0) < 0)
3924                 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n");
3925
3926         err = __cmd_script(&script);
3927
3928         flush_scripting();
3929
3930 out_delete:
3931         if (script.ptime_range) {
3932                 itrace_synth_opts__clear_time_range(&itrace_synth_opts);
3933                 zfree(&script.ptime_range);
3934         }
3935
3936         perf_evlist__free_stats(session->evlist);
3937         perf_session__delete(session);
3938
3939         if (script_started)
3940                 cleanup_scripting();
3941 out:
3942         return err;
3943 }