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 "util/event.h"
  34 #include "ui/ui.h"
  35 #include "print_binary.h"
  36 #include "archinsn.h"
  37 #include <linux/bitmap.h>
  38 #include <linux/kernel.h>
  39 #include <linux/stringify.h>
  40 #include <linux/time64.h>
  41 #include <linux/zalloc.h>
  42 #include <sys/utsname.h>
  43 #include "asm/bug.h"
  44 #include "util/mem-events.h"
  45 #include "util/dump-insn.h"
  46 #include <dirent.h>
  47 #include <errno.h>
  48 #include <inttypes.h>
  49 #include <signal.h>
  50 #include <sys/param.h>
  51 #include <sys/types.h>
  52 #include <sys/stat.h>
  53 #include <fcntl.h>
  54 #include <unistd.h>
  55 #include <subcmd/pager.h>
  56 #include <perf/evlist.h>
  57 #include <linux/err.h>
  58 #include "util/dlfilter.h"
  59 #include "util/record.h"
  60 #include "util/util.h"
  61 #include "perf.h"
  62
  63 #include <linux/ctype.h>
  64
  65 static char const               *script_name;
  66 static char const               *generate_script_lang;
  67 static bool                     reltime;
  68 static bool                     deltatime;
  69 static u64                      initial_time;
  70 static u64                      previous_time;
  71 static bool                     debug_mode;
  72 static u64                      last_timestamp;
  73 static u64                      nr_unordered;
  74 static bool                     no_callchain;
  75 static bool                     latency_format;
  76 static bool                     system_wide;
  77 static bool                     print_flags;
  78 static const char               *cpu_list;
  79 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
  80 static struct perf_stat_config  stat_config;
  81 static int                      max_blocks;
  82 static bool                     native_arch;
  83 static struct dlfilter          *dlfilter;
  84
  85 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
  86
  87 enum perf_output_field {
  88         PERF_OUTPUT_COMM            = 1ULL << 0,
  89         PERF_OUTPUT_TID             = 1ULL << 1,
  90         PERF_OUTPUT_PID             = 1ULL << 2,
  91         PERF_OUTPUT_TIME            = 1ULL << 3,
  92         PERF_OUTPUT_CPU             = 1ULL << 4,
  93         PERF_OUTPUT_EVNAME          = 1ULL << 5,
  94         PERF_OUTPUT_TRACE           = 1ULL << 6,
  95         PERF_OUTPUT_IP              = 1ULL << 7,
  96         PERF_OUTPUT_SYM             = 1ULL << 8,
  97         PERF_OUTPUT_DSO             = 1ULL << 9,
  98         PERF_OUTPUT_ADDR            = 1ULL << 10,
  99         PERF_OUTPUT_SYMOFFSET       = 1ULL << 11,
 100         PERF_OUTPUT_SRCLINE         = 1ULL << 12,
 101         PERF_OUTPUT_PERIOD          = 1ULL << 13,
 102         PERF_OUTPUT_IREGS           = 1ULL << 14,
 103         PERF_OUTPUT_BRSTACK         = 1ULL << 15,
 104         PERF_OUTPUT_BRSTACKSYM      = 1ULL << 16,
 105         PERF_OUTPUT_DATA_SRC        = 1ULL << 17,
 106         PERF_OUTPUT_WEIGHT          = 1ULL << 18,
 107         PERF_OUTPUT_BPF_OUTPUT      = 1ULL << 19,
 108         PERF_OUTPUT_CALLINDENT      = 1ULL << 20,
 109         PERF_OUTPUT_INSN            = 1ULL << 21,
 110         PERF_OUTPUT_INSNLEN         = 1ULL << 22,
 111         PERF_OUTPUT_BRSTACKINSN     = 1ULL << 23,
 112         PERF_OUTPUT_BRSTACKOFF      = 1ULL << 24,
 113         PERF_OUTPUT_SYNTH           = 1ULL << 25,
 114         PERF_OUTPUT_PHYS_ADDR       = 1ULL << 26,
 115         PERF_OUTPUT_UREGS           = 1ULL << 27,
 116         PERF_OUTPUT_METRIC          = 1ULL << 28,
 117         PERF_OUTPUT_MISC            = 1ULL << 29,
 118         PERF_OUTPUT_SRCCODE         = 1ULL << 30,
 119         PERF_OUTPUT_IPC             = 1ULL << 31,
 120         PERF_OUTPUT_TOD             = 1ULL << 32,
 121         PERF_OUTPUT_DATA_PAGE_SIZE  = 1ULL << 33,
 122         PERF_OUTPUT_CODE_PAGE_SIZE  = 1ULL << 34,
 123 };
 124
 125 struct perf_script {
 126         struct perf_tool        tool;
 127         struct perf_session     *session;
 128         bool                    show_task_events;
 129         bool                    show_mmap_events;
 130         bool                    show_switch_events;
 131         bool                    show_namespace_events;
 132         bool                    show_lost_events;
 133         bool                    show_round_events;
 134         bool                    show_bpf_events;
 135         bool                    show_cgroup_events;
 136         bool                    show_text_poke_events;
 137         bool                    allocated;
 138         bool                    per_event_dump;
 139         bool                    stitch_lbr;
 140         struct evswitch         evswitch;
 141         struct perf_cpu_map     *cpus;
 142         struct perf_thread_map *threads;
 143         int                     name_width;
 144         const char              *time_str;
 145         struct perf_time_interval *ptime_range;
 146         int                     range_size;
 147         int                     range_num;
 148 };
 149
 150 struct output_option {
 151         const char *str;
 152         enum perf_output_field field;
 153 } all_output_options[] = {
 154         {.str = "comm",  .field = PERF_OUTPUT_COMM},
 155         {.str = "tid",   .field = PERF_OUTPUT_TID},
 156         {.str = "pid",   .field = PERF_OUTPUT_PID},
 157         {.str = "time",  .field = PERF_OUTPUT_TIME},
 158         {.str = "cpu",   .field = PERF_OUTPUT_CPU},
 159         {.str = "event", .field = PERF_OUTPUT_EVNAME},
 160         {.str = "trace", .field = PERF_OUTPUT_TRACE},
 161         {.str = "ip",    .field = PERF_OUTPUT_IP},
 162         {.str = "sym",   .field = PERF_OUTPUT_SYM},
 163         {.str = "dso",   .field = PERF_OUTPUT_DSO},
 164         {.str = "addr",  .field = PERF_OUTPUT_ADDR},
 165         {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
 166         {.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
 167         {.str = "period", .field = PERF_OUTPUT_PERIOD},
 168         {.str = "iregs", .field = PERF_OUTPUT_IREGS},
 169         {.str = "uregs", .field = PERF_OUTPUT_UREGS},
 170         {.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
 171         {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
 172         {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
 173         {.str = "weight",   .field = PERF_OUTPUT_WEIGHT},
 174         {.str = "bpf-output",   .field = PERF_OUTPUT_BPF_OUTPUT},
 175         {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
 176         {.str = "insn", .field = PERF_OUTPUT_INSN},
 177         {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
 178         {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
 179         {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
 180         {.str = "synth", .field = PERF_OUTPUT_SYNTH},
 181         {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
 182         {.str = "metric", .field = PERF_OUTPUT_METRIC},
 183         {.str = "misc", .field = PERF_OUTPUT_MISC},
 184         {.str = "srccode", .field = PERF_OUTPUT_SRCCODE},
 185         {.str = "ipc", .field = PERF_OUTPUT_IPC},
 186         {.str = "tod", .field = PERF_OUTPUT_TOD},
 187         {.str = "data_page_size", .field = PERF_OUTPUT_DATA_PAGE_SIZE},
 188         {.str = "code_page_size", .field = PERF_OUTPUT_CODE_PAGE_SIZE},
 189 };
 190
 191 enum {
 192         OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
 193         OUTPUT_TYPE_OTHER,
 194         OUTPUT_TYPE_MAX
 195 };
 196
 197 /* default set to maintain compatibility with current format */
 198 static struct {
 199         bool user_set;
 200         bool wildcard_set;
 201         unsigned int print_ip_opts;
 202         u64 fields;
 203         u64 invalid_fields;
 204         u64 user_set_fields;
 205         u64 user_unset_fields;
 206 } output[OUTPUT_TYPE_MAX] = {
 207
 208         [PERF_TYPE_HARDWARE] = {
 209                 .user_set = false,
 210
 211                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 212                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 213                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 214                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 215                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 216
 217                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 218         },
 219
 220         [PERF_TYPE_SOFTWARE] = {
 221                 .user_set = false,
 222
 223                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 224                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 225                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 226                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 227                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
 228                               PERF_OUTPUT_BPF_OUTPUT,
 229
 230                 .invalid_fields = PERF_OUTPUT_TRACE,
 231         },
 232
 233         [PERF_TYPE_TRACEPOINT] = {
 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_TRACE
 239         },
 240
 241         [PERF_TYPE_HW_CACHE] = {
 242                 .user_set = false,
 243
 244                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 245                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 246                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 247                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 248                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 249
 250                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 251         },
 252
 253         [PERF_TYPE_RAW] = {
 254                 .user_set = false,
 255
 256                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 257                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 258                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 259                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 260                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
 261                               PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
 262                               PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR |
 263                               PERF_OUTPUT_DATA_PAGE_SIZE | PERF_OUTPUT_CODE_PAGE_SIZE,
 264
 265                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 266         },
 267
 268         [PERF_TYPE_BREAKPOINT] = {
 269                 .user_set = false,
 270
 271                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 272                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 273                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 274                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 275                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 276
 277                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 278         },
 279
 280         [OUTPUT_TYPE_SYNTH] = {
 281                 .user_set = false,
 282
 283                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 284                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 285                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 286                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 287                               PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH,
 288
 289                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 290         },
 291
 292         [OUTPUT_TYPE_OTHER] = {
 293                 .user_set = false,
 294
 295                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 296                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 297                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 298                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 299                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 300
 301                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 302         },
 303 };
 304
 305 struct evsel_script {
 306        char *filename;
 307        FILE *fp;
 308        u64  samples;
 309        /* For metric output */
 310        u64  val;
 311        int  gnum;
 312 };
 313
 314 static inline struct evsel_script *evsel_script(struct evsel *evsel)
 315 {
 316         return (struct evsel_script *)evsel->priv;
 317 }
 318
 319 static struct evsel_script *evsel_script__new(struct evsel *evsel, struct perf_data *data)
 320 {
 321         struct evsel_script *es = zalloc(sizeof(*es));
 322
 323         if (es != NULL) {
 324                 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0)
 325                         goto out_free;
 326                 es->fp = fopen(es->filename, "w");
 327                 if (es->fp == NULL)
 328                         goto out_free_filename;
 329         }
 330
 331         return es;
 332 out_free_filename:
 333         zfree(&es->filename);
 334 out_free:
 335         free(es);
 336         return NULL;
 337 }
 338
 339 static void evsel_script__delete(struct evsel_script *es)
 340 {
 341         zfree(&es->filename);
 342         fclose(es->fp);
 343         es->fp = NULL;
 344         free(es);
 345 }
 346
 347 static int evsel_script__fprintf(struct evsel_script *es, FILE *fp)
 348 {
 349         struct stat st;
 350
 351         fstat(fileno(es->fp), &st);
 352         return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
 353                        st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
 354 }
 355
 356 static inline int output_type(unsigned int type)
 357 {
 358         switch (type) {
 359         case PERF_TYPE_SYNTH:
 360                 return OUTPUT_TYPE_SYNTH;
 361         default:
 362                 if (type < PERF_TYPE_MAX)
 363                         return type;
 364         }
 365
 366         return OUTPUT_TYPE_OTHER;
 367 }
 368
 369 static inline unsigned int attr_type(unsigned int type)
 370 {
 371         switch (type) {
 372         case OUTPUT_TYPE_SYNTH:
 373                 return PERF_TYPE_SYNTH;
 374         default:
 375                 return type;
 376         }
 377 }
 378
 379 static bool output_set_by_user(void)
 380 {
 381         int j;
 382         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 383                 if (output[j].user_set)
 384                         return true;
 385         }
 386         return false;
 387 }
 388
 389 static const char *output_field2str(enum perf_output_field field)
 390 {
 391         int i, imax = ARRAY_SIZE(all_output_options);
 392         const char *str = "";
 393
 394         for (i = 0; i < imax; ++i) {
 395                 if (all_output_options[i].field == field) {
 396                         str = all_output_options[i].str;
 397                         break;
 398                 }
 399         }
 400         return str;
 401 }
 402
 403 #define PRINT_FIELD(x)  (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
 404
 405 static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
 406                                  enum perf_output_field field, bool allow_user_set)
 407 {
 408         struct perf_event_attr *attr = &evsel->core.attr;
 409         int type = output_type(attr->type);
 410         const char *evname;
 411
 412         if (attr->sample_type & sample_type)
 413                 return 0;
 414
 415         if (output[type].user_set_fields & field) {
 416                 if (allow_user_set)
 417                         return 0;
 418                 evname = evsel__name(evsel);
 419                 pr_err("Samples for '%s' event do not have %s attribute set. "
 420                        "Cannot print '%s' field.\n",
 421                        evname, sample_msg, output_field2str(field));
 422                 return -1;
 423         }
 424
 425         /* user did not ask for it explicitly so remove from the default list */
 426         output[type].fields &= ~field;
 427         evname = evsel__name(evsel);
 428         pr_debug("Samples for '%s' event do not have %s attribute set. "
 429                  "Skipping '%s' field.\n",
 430                  evname, sample_msg, output_field2str(field));
 431
 432         return 0;
 433 }
 434
 435 static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
 436                               enum perf_output_field field)
 437 {
 438         return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false);
 439 }
 440
 441 static int evsel__check_attr(struct evsel *evsel, struct perf_session *session)
 442 {
 443         struct perf_event_attr *attr = &evsel->core.attr;
 444         bool allow_user_set;
 445
 446         if (perf_header__has_feat(&session->header, HEADER_STAT))
 447                 return 0;
 448
 449         allow_user_set = perf_header__has_feat(&session->header,
 450                                                HEADER_AUXTRACE);
 451
 452         if (PRINT_FIELD(TRACE) &&
 453             !perf_session__has_traces(session, "record -R"))
 454                 return -EINVAL;
 455
 456         if (PRINT_FIELD(IP)) {
 457                 if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP))
 458                         return -EINVAL;
 459         }
 460
 461         if (PRINT_FIELD(ADDR) &&
 462             evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set))
 463                 return -EINVAL;
 464
 465         if (PRINT_FIELD(DATA_SRC) &&
 466             evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC))
 467                 return -EINVAL;
 468
 469         if (PRINT_FIELD(WEIGHT) &&
 470             evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT", PERF_OUTPUT_WEIGHT))
 471                 return -EINVAL;
 472
 473         if (PRINT_FIELD(SYM) &&
 474             !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
 475                 pr_err("Display of symbols requested but neither sample IP nor "
 476                            "sample address\navailable. Hence, no addresses to convert "
 477                        "to symbols.\n");
 478                 return -EINVAL;
 479         }
 480         if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
 481                 pr_err("Display of offsets requested but symbol is not"
 482                        "selected.\n");
 483                 return -EINVAL;
 484         }
 485         if (PRINT_FIELD(DSO) &&
 486             !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
 487                 pr_err("Display of DSO requested but no address to convert.\n");
 488                 return -EINVAL;
 489         }
 490         if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) {
 491                 pr_err("Display of source line number requested but sample IP is not\n"
 492                        "selected. Hence, no address to lookup the source line number.\n");
 493                 return -EINVAL;
 494         }
 495         if (PRINT_FIELD(BRSTACKINSN) && !allow_user_set &&
 496             !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) {
 497                 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
 498                        "Hint: run 'perf record -b ...'\n");
 499                 return -EINVAL;
 500         }
 501         if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
 502             evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID))
 503                 return -EINVAL;
 504
 505         if (PRINT_FIELD(TIME) &&
 506             evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME))
 507                 return -EINVAL;
 508
 509         if (PRINT_FIELD(CPU) &&
 510             evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set))
 511                 return -EINVAL;
 512
 513         if (PRINT_FIELD(IREGS) &&
 514             evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set))
 515                 return -EINVAL;
 516
 517         if (PRINT_FIELD(UREGS) &&
 518             evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS))
 519                 return -EINVAL;
 520
 521         if (PRINT_FIELD(PHYS_ADDR) &&
 522             evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR))
 523                 return -EINVAL;
 524
 525         if (PRINT_FIELD(DATA_PAGE_SIZE) &&
 526             evsel__check_stype(evsel, PERF_SAMPLE_DATA_PAGE_SIZE, "DATA_PAGE_SIZE", PERF_OUTPUT_DATA_PAGE_SIZE))
 527                 return -EINVAL;
 528
 529         if (PRINT_FIELD(CODE_PAGE_SIZE) &&
 530             evsel__check_stype(evsel, PERF_SAMPLE_CODE_PAGE_SIZE, "CODE_PAGE_SIZE", PERF_OUTPUT_CODE_PAGE_SIZE))
 531                 return -EINVAL;
 532
 533         return 0;
 534 }
 535
 536 static void set_print_ip_opts(struct perf_event_attr *attr)
 537 {
 538         unsigned int type = output_type(attr->type);
 539
 540         output[type].print_ip_opts = 0;
 541         if (PRINT_FIELD(IP))
 542                 output[type].print_ip_opts |= EVSEL__PRINT_IP;
 543
 544         if (PRINT_FIELD(SYM))
 545                 output[type].print_ip_opts |= EVSEL__PRINT_SYM;
 546
 547         if (PRINT_FIELD(DSO))
 548                 output[type].print_ip_opts |= EVSEL__PRINT_DSO;
 549
 550         if (PRINT_FIELD(SYMOFFSET))
 551                 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
 552
 553         if (PRINT_FIELD(SRCLINE))
 554                 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
 555 }
 556
 557 /*
 558  * verify all user requested events exist and the samples
 559  * have the expected data
 560  */
 561 static int perf_session__check_output_opt(struct perf_session *session)
 562 {
 563         bool tod = false;
 564         unsigned int j;
 565         struct evsel *evsel;
 566
 567         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 568                 evsel = perf_session__find_first_evtype(session, attr_type(j));
 569
 570                 /*
 571                  * even if fields is set to 0 (ie., show nothing) event must
 572                  * exist if user explicitly includes it on the command line
 573                  */
 574                 if (!evsel && output[j].user_set && !output[j].wildcard_set &&
 575                     j != OUTPUT_TYPE_SYNTH) {
 576                         pr_err("%s events do not exist. "
 577                                "Remove corresponding -F option to proceed.\n",
 578                                event_type(j));
 579                         return -1;
 580                 }
 581
 582                 if (evsel && output[j].fields &&
 583                         evsel__check_attr(evsel, session))
 584                         return -1;
 585
 586                 if (evsel == NULL)
 587                         continue;
 588
 589                 set_print_ip_opts(&evsel->core.attr);
 590                 tod |= output[j].fields & PERF_OUTPUT_TOD;
 591         }
 592
 593         if (!no_callchain) {
 594                 bool use_callchain = false;
 595                 bool not_pipe = false;
 596
 597                 evlist__for_each_entry(session->evlist, evsel) {
 598                         not_pipe = true;
 599                         if (evsel__has_callchain(evsel)) {
 600                                 use_callchain = true;
 601                                 break;
 602                         }
 603                 }
 604                 if (not_pipe && !use_callchain)
 605                         symbol_conf.use_callchain = false;
 606         }
 607
 608         /*
 609          * set default for tracepoints to print symbols only
 610          * if callchains are present
 611          */
 612         if (symbol_conf.use_callchain &&
 613             !output[PERF_TYPE_TRACEPOINT].user_set) {
 614                 j = PERF_TYPE_TRACEPOINT;
 615
 616                 evlist__for_each_entry(session->evlist, evsel) {
 617                         if (evsel->core.attr.type != j)
 618                                 continue;
 619
 620                         if (evsel__has_callchain(evsel)) {
 621                                 output[j].fields |= PERF_OUTPUT_IP;
 622                                 output[j].fields |= PERF_OUTPUT_SYM;
 623                                 output[j].fields |= PERF_OUTPUT_SYMOFFSET;
 624                                 output[j].fields |= PERF_OUTPUT_DSO;
 625                                 set_print_ip_opts(&evsel->core.attr);
 626                                 goto out;
 627                         }
 628                 }
 629         }
 630
 631         if (tod && !session->header.env.clock.enabled) {
 632                 pr_err("Can't provide 'tod' time, missing clock data. "
 633                        "Please record with -k/--clockid option.\n");
 634                 return -1;
 635         }
 636 out:
 637         return 0;
 638 }
 639
 640 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask,
 641                                      FILE *fp)
 642 {
 643         unsigned i = 0, r;
 644         int printed = 0;
 645
 646         if (!regs || !regs->regs)
 647                 return 0;
 648
 649         printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
 650
 651         for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
 652                 u64 val = regs->regs[i++];
 653                 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
 654         }
 655
 656         return printed;
 657 }
 658
 659 #define DEFAULT_TOD_FMT "%F %H:%M:%S"
 660
 661 static char*
 662 tod_scnprintf(struct perf_script *script, char *buf, int buflen,
 663              u64 timestamp)
 664 {
 665         u64 tod_ns, clockid_ns;
 666         struct perf_env *env;
 667         unsigned long nsec;
 668         struct tm ltime;
 669         char date[64];
 670         time_t sec;
 671
 672         buf[0] = '\0';
 673         if (buflen < 64 || !script)
 674                 return buf;
 675
 676         env = &script->session->header.env;
 677         if (!env->clock.enabled) {
 678                 scnprintf(buf, buflen, "disabled");
 679                 return buf;
 680         }
 681
 682         clockid_ns = env->clock.clockid_ns;
 683         tod_ns     = env->clock.tod_ns;
 684
 685         if (timestamp > clockid_ns)
 686                 tod_ns += timestamp - clockid_ns;
 687         else
 688                 tod_ns -= clockid_ns - timestamp;
 689
 690         sec  = (time_t) (tod_ns / NSEC_PER_SEC);
 691         nsec = tod_ns - sec * NSEC_PER_SEC;
 692
 693         if (localtime_r(&sec, &ltime) == NULL) {
 694                 scnprintf(buf, buflen, "failed");
 695         } else {
 696                 strftime(date, sizeof(date), DEFAULT_TOD_FMT, &ltime);
 697
 698                 if (symbol_conf.nanosecs) {
 699                         snprintf(buf, buflen, "%s.%09lu", date, nsec);
 700                 } else {
 701                         snprintf(buf, buflen, "%s.%06lu",
 702                                  date, nsec / NSEC_PER_USEC);
 703                 }
 704         }
 705
 706         return buf;
 707 }
 708
 709 static int perf_sample__fprintf_iregs(struct perf_sample *sample,
 710                                       struct perf_event_attr *attr, FILE *fp)
 711 {
 712         return perf_sample__fprintf_regs(&sample->intr_regs,
 713                                          attr->sample_regs_intr, fp);
 714 }
 715
 716 static int perf_sample__fprintf_uregs(struct perf_sample *sample,
 717                                       struct perf_event_attr *attr, FILE *fp)
 718 {
 719         return perf_sample__fprintf_regs(&sample->user_regs,
 720                                          attr->sample_regs_user, fp);
 721 }
 722
 723 static int perf_sample__fprintf_start(struct perf_script *script,
 724                                       struct perf_sample *sample,
 725                                       struct thread *thread,
 726                                       struct evsel *evsel,
 727                                       u32 type, FILE *fp)
 728 {
 729         struct perf_event_attr *attr = &evsel->core.attr;
 730         unsigned long secs;
 731         unsigned long long nsecs;
 732         int printed = 0;
 733         char tstr[128];
 734
 735         if (PRINT_FIELD(COMM)) {
 736                 const char *comm = thread ? thread__comm_str(thread) : ":-1";
 737
 738                 if (latency_format)
 739                         printed += fprintf(fp, "%8.8s ", comm);
 740                 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
 741                         printed += fprintf(fp, "%s ", comm);
 742                 else
 743                         printed += fprintf(fp, "%16s ", comm);
 744         }
 745
 746         if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
 747                 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid);
 748         else if (PRINT_FIELD(PID))
 749                 printed += fprintf(fp, "%5d ", sample->pid);
 750         else if (PRINT_FIELD(TID))
 751                 printed += fprintf(fp, "%5d ", sample->tid);
 752
 753         if (PRINT_FIELD(CPU)) {
 754                 if (latency_format)
 755                         printed += fprintf(fp, "%3d ", sample->cpu);
 756                 else
 757                         printed += fprintf(fp, "[%03d] ", sample->cpu);
 758         }
 759
 760         if (PRINT_FIELD(MISC)) {
 761                 int ret = 0;
 762
 763                 #define has(m) \
 764                         (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
 765
 766                 if (has(KERNEL))
 767                         ret += fprintf(fp, "K");
 768                 if (has(USER))
 769                         ret += fprintf(fp, "U");
 770                 if (has(HYPERVISOR))
 771                         ret += fprintf(fp, "H");
 772                 if (has(GUEST_KERNEL))
 773                         ret += fprintf(fp, "G");
 774                 if (has(GUEST_USER))
 775                         ret += fprintf(fp, "g");
 776
 777                 switch (type) {
 778                 case PERF_RECORD_MMAP:
 779                 case PERF_RECORD_MMAP2:
 780                         if (has(MMAP_DATA))
 781                                 ret += fprintf(fp, "M");
 782                         break;
 783                 case PERF_RECORD_COMM:
 784                         if (has(COMM_EXEC))
 785                                 ret += fprintf(fp, "E");
 786                         break;
 787                 case PERF_RECORD_SWITCH:
 788                 case PERF_RECORD_SWITCH_CPU_WIDE:
 789                         if (has(SWITCH_OUT)) {
 790                                 ret += fprintf(fp, "S");
 791                                 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
 792                                         ret += fprintf(fp, "p");
 793                         }
 794                 default:
 795                         break;
 796                 }
 797
 798                 #undef has
 799
 800                 ret += fprintf(fp, "%*s", 6 - ret, " ");
 801                 printed += ret;
 802         }
 803
 804         if (PRINT_FIELD(TOD)) {
 805                 tod_scnprintf(script, tstr, sizeof(tstr), sample->time);
 806                 printed += fprintf(fp, "%s ", tstr);
 807         }
 808
 809         if (PRINT_FIELD(TIME)) {
 810                 u64 t = sample->time;
 811                 if (reltime) {
 812                         if (!initial_time)
 813                                 initial_time = sample->time;
 814                         t = sample->time - initial_time;
 815                 } else if (deltatime) {
 816                         if (previous_time)
 817                                 t = sample->time - previous_time;
 818                         else {
 819                                 t = 0;
 820                         }
 821                         previous_time = sample->time;
 822                 }
 823                 nsecs = t;
 824                 secs = nsecs / NSEC_PER_SEC;
 825                 nsecs -= secs * NSEC_PER_SEC;
 826
 827                 if (symbol_conf.nanosecs)
 828                         printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
 829                 else {
 830                         char sample_time[32];
 831                         timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time));
 832                         printed += fprintf(fp, "%12s: ", sample_time);
 833                 }
 834         }
 835
 836         return printed;
 837 }
 838
 839 static inline char
 840 mispred_str(struct branch_entry *br)
 841 {
 842         if (!(br->flags.mispred  || br->flags.predicted))
 843                 return '-';
 844
 845         return br->flags.predicted ? 'P' : 'M';
 846 }
 847
 848 static int perf_sample__fprintf_brstack(struct perf_sample *sample,
 849                                         struct thread *thread,
 850                                         struct perf_event_attr *attr, FILE *fp)
 851 {
 852         struct branch_stack *br = sample->branch_stack;
 853         struct branch_entry *entries = perf_sample__branch_entries(sample);
 854         struct addr_location alf, alt;
 855         u64 i, from, to;
 856         int printed = 0;
 857
 858         if (!(br && br->nr))
 859                 return 0;
 860
 861         for (i = 0; i < br->nr; i++) {
 862                 from = entries[i].from;
 863                 to   = entries[i].to;
 864
 865                 if (PRINT_FIELD(DSO)) {
 866                         memset(&alf, 0, sizeof(alf));
 867                         memset(&alt, 0, sizeof(alt));
 868                         thread__find_map_fb(thread, sample->cpumode, from, &alf);
 869                         thread__find_map_fb(thread, sample->cpumode, to, &alt);
 870                 }
 871
 872                 printed += fprintf(fp, " 0x%"PRIx64, from);
 873                 if (PRINT_FIELD(DSO)) {
 874                         printed += fprintf(fp, "(");
 875                         printed += map__fprintf_dsoname(alf.map, fp);
 876                         printed += fprintf(fp, ")");
 877                 }
 878
 879                 printed += fprintf(fp, "/0x%"PRIx64, to);
 880                 if (PRINT_FIELD(DSO)) {
 881                         printed += fprintf(fp, "(");
 882                         printed += map__fprintf_dsoname(alt.map, fp);
 883                         printed += fprintf(fp, ")");
 884                 }
 885
 886                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 887                         mispred_str(entries + i),
 888                         entries[i].flags.in_tx ? 'X' : '-',
 889                         entries[i].flags.abort ? 'A' : '-',
 890                         entries[i].flags.cycles);
 891         }
 892
 893         return printed;
 894 }
 895
 896 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
 897                                            struct thread *thread,
 898                                            struct perf_event_attr *attr, FILE *fp)
 899 {
 900         struct branch_stack *br = sample->branch_stack;
 901         struct branch_entry *entries = perf_sample__branch_entries(sample);
 902         struct addr_location alf, alt;
 903         u64 i, from, to;
 904         int printed = 0;
 905
 906         if (!(br && br->nr))
 907                 return 0;
 908
 909         for (i = 0; i < br->nr; i++) {
 910
 911                 memset(&alf, 0, sizeof(alf));
 912                 memset(&alt, 0, sizeof(alt));
 913                 from = entries[i].from;
 914                 to   = entries[i].to;
 915
 916                 thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
 917                 thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
 918
 919                 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
 920                 if (PRINT_FIELD(DSO)) {
 921                         printed += fprintf(fp, "(");
 922                         printed += map__fprintf_dsoname(alf.map, fp);
 923                         printed += fprintf(fp, ")");
 924                 }
 925                 printed += fprintf(fp, "%c", '/');
 926                 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
 927                 if (PRINT_FIELD(DSO)) {
 928                         printed += fprintf(fp, "(");
 929                         printed += map__fprintf_dsoname(alt.map, fp);
 930                         printed += fprintf(fp, ")");
 931                 }
 932                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 933                         mispred_str(entries + i),
 934                         entries[i].flags.in_tx ? 'X' : '-',
 935                         entries[i].flags.abort ? 'A' : '-',
 936                         entries[i].flags.cycles);
 937         }
 938
 939         return printed;
 940 }
 941
 942 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
 943                                            struct thread *thread,
 944                                            struct perf_event_attr *attr, FILE *fp)
 945 {
 946         struct branch_stack *br = sample->branch_stack;
 947         struct branch_entry *entries = perf_sample__branch_entries(sample);
 948         struct addr_location alf, alt;
 949         u64 i, from, to;
 950         int printed = 0;
 951
 952         if (!(br && br->nr))
 953                 return 0;
 954
 955         for (i = 0; i < br->nr; i++) {
 956
 957                 memset(&alf, 0, sizeof(alf));
 958                 memset(&alt, 0, sizeof(alt));
 959                 from = entries[i].from;
 960                 to   = entries[i].to;
 961
 962                 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
 963                     !alf.map->dso->adjust_symbols)
 964                         from = map__map_ip(alf.map, from);
 965
 966                 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
 967                     !alt.map->dso->adjust_symbols)
 968                         to = map__map_ip(alt.map, to);
 969
 970                 printed += fprintf(fp, " 0x%"PRIx64, from);
 971                 if (PRINT_FIELD(DSO)) {
 972                         printed += fprintf(fp, "(");
 973                         printed += map__fprintf_dsoname(alf.map, fp);
 974                         printed += fprintf(fp, ")");
 975                 }
 976                 printed += fprintf(fp, "/0x%"PRIx64, to);
 977                 if (PRINT_FIELD(DSO)) {
 978                         printed += fprintf(fp, "(");
 979                         printed += map__fprintf_dsoname(alt.map, fp);
 980                         printed += fprintf(fp, ")");
 981                 }
 982                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 983                         mispred_str(entries + i),
 984                         entries[i].flags.in_tx ? 'X' : '-',
 985                         entries[i].flags.abort ? 'A' : '-',
 986                         entries[i].flags.cycles);
 987         }
 988
 989         return printed;
 990 }
 991 #define MAXBB 16384UL
 992
 993 static int grab_bb(u8 *buffer, u64 start, u64 end,
 994                     struct machine *machine, struct thread *thread,
 995                     bool *is64bit, u8 *cpumode, bool last)
 996 {
 997         long offset, len;
 998         struct addr_location al;
 999         bool kernel;
1000
1001         if (!start || !end)
1002                 return 0;
1003
1004         kernel = machine__kernel_ip(machine, start);
1005         if (kernel)
1006                 *cpumode = PERF_RECORD_MISC_KERNEL;
1007         else
1008                 *cpumode = PERF_RECORD_MISC_USER;
1009
1010         /*
1011          * Block overlaps between kernel and user.
1012          * This can happen due to ring filtering
1013          * On Intel CPUs the entry into the kernel is filtered,
1014          * but the exit is not. Let the caller patch it up.
1015          */
1016         if (kernel != machine__kernel_ip(machine, end)) {
1017                 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
1018                 return -ENXIO;
1019         }
1020
1021         memset(&al, 0, sizeof(al));
1022         if (end - start > MAXBB - MAXINSN) {
1023                 if (last)
1024                         pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
1025                 else
1026                         pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
1027                 return 0;
1028         }
1029
1030         if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) {
1031                 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1032                 return 0;
1033         }
1034         if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
1035                 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1036                 return 0;
1037         }
1038
1039         /* Load maps to ensure dso->is_64_bit has been updated */
1040         map__load(al.map);
1041
1042         offset = al.map->map_ip(al.map, start);
1043         len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer,
1044                                     end - start + MAXINSN);
1045
1046         *is64bit = al.map->dso->is_64_bit;
1047         if (len <= 0)
1048                 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
1049                         start, end);
1050         return len;
1051 }
1052
1053 static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state)
1054 {
1055         char *srcfile;
1056         int ret = 0;
1057         unsigned line;
1058         int len;
1059         char *srccode;
1060
1061         if (!map || !map->dso)
1062                 return 0;
1063         srcfile = get_srcline_split(map->dso,
1064                                     map__rip_2objdump(map, addr),
1065                                     &line);
1066         if (!srcfile)
1067                 return 0;
1068
1069         /* Avoid redundant printing */
1070         if (state &&
1071             state->srcfile &&
1072             !strcmp(state->srcfile, srcfile) &&
1073             state->line == line) {
1074                 free(srcfile);
1075                 return 0;
1076         }
1077
1078         srccode = find_sourceline(srcfile, line, &len);
1079         if (!srccode)
1080                 goto out_free_line;
1081
1082         ret = fprintf(fp, "|%-8d %.*s", line, len, srccode);
1083
1084         if (state) {
1085                 state->srcfile = srcfile;
1086                 state->line = line;
1087         }
1088         return ret;
1089
1090 out_free_line:
1091         free(srcfile);
1092         return ret;
1093 }
1094
1095 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr)
1096 {
1097         struct addr_location al;
1098         int ret = 0;
1099
1100         memset(&al, 0, sizeof(al));
1101         thread__find_map(thread, cpumode, addr, &al);
1102         if (!al.map)
1103                 return 0;
1104         ret = map__fprintf_srccode(al.map, al.addr, stdout,
1105                     &thread->srccode_state);
1106         if (ret)
1107                 ret += printf("\n");
1108         return ret;
1109 }
1110
1111 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
1112                             struct perf_insn *x, u8 *inbuf, int len,
1113                             int insn, FILE *fp, int *total_cycles)
1114 {
1115         int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip,
1116                               dump_insn(x, ip, inbuf, len, NULL),
1117                               en->flags.predicted ? " PRED" : "",
1118                               en->flags.mispred ? " MISPRED" : "",
1119                               en->flags.in_tx ? " INTX" : "",
1120                               en->flags.abort ? " ABORT" : "");
1121         if (en->flags.cycles) {
1122                 *total_cycles += en->flags.cycles;
1123                 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles);
1124                 if (insn)
1125                         printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
1126         }
1127         return printed + fprintf(fp, "\n");
1128 }
1129
1130 static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
1131                            u8 cpumode, int cpu, struct symbol **lastsym,
1132                            struct perf_event_attr *attr, FILE *fp)
1133 {
1134         struct addr_location al;
1135         int off, printed = 0;
1136
1137         memset(&al, 0, sizeof(al));
1138
1139         thread__find_map(thread, cpumode, addr, &al);
1140
1141         if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
1142                 return 0;
1143
1144         al.cpu = cpu;
1145         al.sym = NULL;
1146         if (al.map)
1147                 al.sym = map__find_symbol(al.map, al.addr);
1148
1149         if (!al.sym)
1150                 return 0;
1151
1152         if (al.addr < al.sym->end)
1153                 off = al.addr - al.sym->start;
1154         else
1155                 off = al.addr - al.map->start - al.sym->start;
1156         printed += fprintf(fp, "\t%s", al.sym->name);
1157         if (off)
1158                 printed += fprintf(fp, "%+d", off);
1159         printed += fprintf(fp, ":");
1160         if (PRINT_FIELD(SRCLINE))
1161                 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
1162         printed += fprintf(fp, "\n");
1163         *lastsym = al.sym;
1164
1165         return printed;
1166 }
1167
1168 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
1169                                             struct thread *thread,
1170                                             struct perf_event_attr *attr,
1171                                             struct machine *machine, FILE *fp)
1172 {
1173         struct branch_stack *br = sample->branch_stack;
1174         struct branch_entry *entries = perf_sample__branch_entries(sample);
1175         u64 start, end;
1176         int i, insn, len, nr, ilen, printed = 0;
1177         struct perf_insn x;
1178         u8 buffer[MAXBB];
1179         unsigned off;
1180         struct symbol *lastsym = NULL;
1181         int total_cycles = 0;
1182
1183         if (!(br && br->nr))
1184                 return 0;
1185         nr = br->nr;
1186         if (max_blocks && nr > max_blocks + 1)
1187                 nr = max_blocks + 1;
1188
1189         x.thread = thread;
1190         x.cpu = sample->cpu;
1191
1192         printed += fprintf(fp, "%c", '\n');
1193
1194         /* Handle first from jump, of which we don't know the entry. */
1195         len = grab_bb(buffer, entries[nr-1].from,
1196                         entries[nr-1].from,
1197                         machine, thread, &x.is64bit, &x.cpumode, false);
1198         if (len > 0) {
1199                 printed += ip__fprintf_sym(entries[nr - 1].from, thread,
1200                                            x.cpumode, x.cpu, &lastsym, attr, fp);
1201                 printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1],
1202                                             &x, buffer, len, 0, fp, &total_cycles);
1203                 if (PRINT_FIELD(SRCCODE))
1204                         printed += print_srccode(thread, x.cpumode, entries[nr - 1].from);
1205         }
1206
1207         /* Print all blocks */
1208         for (i = nr - 2; i >= 0; i--) {
1209                 if (entries[i].from || entries[i].to)
1210                         pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1211                                  entries[i].from,
1212                                  entries[i].to);
1213                 start = entries[i + 1].to;
1214                 end   = entries[i].from;
1215
1216                 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1217                 /* Patch up missing kernel transfers due to ring filters */
1218                 if (len == -ENXIO && i > 0) {
1219                         end = entries[--i].from;
1220                         pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1221                         len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1222                 }
1223                 if (len <= 0)
1224                         continue;
1225
1226                 insn = 0;
1227                 for (off = 0; off < (unsigned)len; off += ilen) {
1228                         uint64_t ip = start + off;
1229
1230                         printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1231                         if (ip == end) {
1232                                 printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp,
1233                                                             &total_cycles);
1234                                 if (PRINT_FIELD(SRCCODE))
1235                                         printed += print_srccode(thread, x.cpumode, ip);
1236                                 break;
1237                         } else {
1238                                 ilen = 0;
1239                                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip,
1240                                                    dump_insn(&x, ip, buffer + off, len - off, &ilen));
1241                                 if (ilen == 0)
1242                                         break;
1243                                 if (PRINT_FIELD(SRCCODE))
1244                                         print_srccode(thread, x.cpumode, ip);
1245                                 insn++;
1246                         }
1247                 }
1248                 if (off != end - start)
1249                         printed += fprintf(fp, "\tmismatch of LBR data and executable\n");
1250         }
1251
1252         /*
1253          * Hit the branch? In this case we are already done, and the target
1254          * has not been executed yet.
1255          */
1256         if (entries[0].from == sample->ip)
1257                 goto out;
1258         if (entries[0].flags.abort)
1259                 goto out;
1260
1261         /*
1262          * Print final block upto sample
1263          *
1264          * Due to pipeline delays the LBRs might be missing a branch
1265          * or two, which can result in very large or negative blocks
1266          * between final branch and sample. When this happens just
1267          * continue walking after the last TO until we hit a branch.
1268          */
1269         start = entries[0].to;
1270         end = sample->ip;
1271         if (end < start) {
1272                 /* Missing jump. Scan 128 bytes for the next branch */
1273                 end = start + 128;
1274         }
1275         len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1276         printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1277         if (len <= 0) {
1278                 /* Print at least last IP if basic block did not work */
1279                 len = grab_bb(buffer, sample->ip, sample->ip,
1280                               machine, thread, &x.is64bit, &x.cpumode, false);
1281                 if (len <= 0)
1282                         goto out;
1283                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip,
1284                         dump_insn(&x, sample->ip, buffer, len, NULL));
1285                 if (PRINT_FIELD(SRCCODE))
1286                         print_srccode(thread, x.cpumode, sample->ip);
1287                 goto out;
1288         }
1289         for (off = 0; off <= end - start; off += ilen) {
1290                 ilen = 0;
1291                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off,
1292                                    dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1293                 if (ilen == 0)
1294                         break;
1295                 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) {
1296                         /*
1297                          * Hit a missing branch. Just stop.
1298                          */
1299                         printed += fprintf(fp, "\t... not reaching sample ...\n");
1300                         break;
1301                 }
1302                 if (PRINT_FIELD(SRCCODE))
1303                         print_srccode(thread, x.cpumode, start + off);
1304         }
1305 out:
1306         return printed;
1307 }
1308
1309 static int perf_sample__fprintf_addr(struct perf_sample *sample,
1310                                      struct thread *thread,
1311                                      struct perf_event_attr *attr, FILE *fp)
1312 {
1313         struct addr_location al;
1314         int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1315
1316         if (!sample_addr_correlates_sym(attr))
1317                 goto out;
1318
1319         thread__resolve(thread, &al, sample);
1320
1321         if (PRINT_FIELD(SYM)) {
1322                 printed += fprintf(fp, " ");
1323                 if (PRINT_FIELD(SYMOFFSET))
1324                         printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1325                 else
1326                         printed += symbol__fprintf_symname(al.sym, fp);
1327         }
1328
1329         if (PRINT_FIELD(DSO)) {
1330                 printed += fprintf(fp, " (");
1331                 printed += map__fprintf_dsoname(al.map, fp);
1332                 printed += fprintf(fp, ")");
1333         }
1334 out:
1335         return printed;
1336 }
1337
1338 static const char *resolve_branch_sym(struct perf_sample *sample,
1339                                       struct evsel *evsel,
1340                                       struct thread *thread,
1341                                       struct addr_location *al,
1342                                       struct addr_location *addr_al,
1343                                       u64 *ip)
1344 {
1345         struct perf_event_attr *attr = &evsel->core.attr;
1346         const char *name = NULL;
1347
1348         if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1349                 if (sample_addr_correlates_sym(attr)) {
1350                         if (!addr_al->thread)
1351                                 thread__resolve(thread, addr_al, sample);
1352                         if (addr_al->sym)
1353                                 name = addr_al->sym->name;
1354                         else
1355                                 *ip = sample->addr;
1356                 } else {
1357                         *ip = sample->addr;
1358                 }
1359         } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1360                 if (al->sym)
1361                         name = al->sym->name;
1362                 else
1363                         *ip = sample->ip;
1364         }
1365         return name;
1366 }
1367
1368 static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1369                                            struct evsel *evsel,
1370                                            struct thread *thread,
1371                                            struct addr_location *al,
1372                                            struct addr_location *addr_al,
1373                                            FILE *fp)
1374 {
1375         struct perf_event_attr *attr = &evsel->core.attr;
1376         size_t depth = thread_stack__depth(thread, sample->cpu);
1377         const char *name = NULL;
1378         static int spacing;
1379         int len = 0;
1380         int dlen = 0;
1381         u64 ip = 0;
1382
1383         /*
1384          * The 'return' has already been popped off the stack so the depth has
1385          * to be adjusted to match the 'call'.
1386          */
1387         if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
1388                 depth += 1;
1389
1390         name = resolve_branch_sym(sample, evsel, thread, al, addr_al, &ip);
1391
1392         if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
1393                 dlen += fprintf(fp, "(");
1394                 dlen += map__fprintf_dsoname(al->map, fp);
1395                 dlen += fprintf(fp, ")\t");
1396         }
1397
1398         if (name)
1399                 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1400         else if (ip)
1401                 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1402
1403         if (len < 0)
1404                 return len;
1405
1406         /*
1407          * Try to keep the output length from changing frequently so that the
1408          * output lines up more nicely.
1409          */
1410         if (len > spacing || (len && len < spacing - 52))
1411                 spacing = round_up(len + 4, 32);
1412
1413         if (len < spacing)
1414                 len += fprintf(fp, "%*s", spacing - len, "");
1415
1416         return len + dlen;
1417 }
1418
1419 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused,
1420                             struct thread *thread __maybe_unused,
1421                             struct machine *machine __maybe_unused)
1422 {
1423 }
1424
1425 void script_fetch_insn(struct perf_sample *sample, struct thread *thread,
1426                        struct machine *machine)
1427 {
1428         if (sample->insn_len == 0 && native_arch)
1429                 arch_fetch_insn(sample, thread, machine);
1430 }
1431
1432 static int perf_sample__fprintf_insn(struct perf_sample *sample,
1433                                      struct perf_event_attr *attr,
1434                                      struct thread *thread,
1435                                      struct machine *machine, FILE *fp)
1436 {
1437         int printed = 0;
1438
1439         script_fetch_insn(sample, thread, machine);
1440
1441         if (PRINT_FIELD(INSNLEN))
1442                 printed += fprintf(fp, " ilen: %d", sample->insn_len);
1443         if (PRINT_FIELD(INSN) && sample->insn_len) {
1444                 int i;
1445
1446                 printed += fprintf(fp, " insn:");
1447                 for (i = 0; i < sample->insn_len; i++)
1448                         printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
1449         }
1450         if (PRINT_FIELD(BRSTACKINSN))
1451                 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
1452
1453         return printed;
1454 }
1455
1456 static int perf_sample__fprintf_ipc(struct perf_sample *sample,
1457                                     struct perf_event_attr *attr, FILE *fp)
1458 {
1459         unsigned int ipc;
1460
1461         if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt)
1462                 return 0;
1463
1464         ipc = (sample->insn_cnt * 100) / sample->cyc_cnt;
1465
1466         return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ",
1467                        ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt);
1468 }
1469
1470 static int perf_sample__fprintf_bts(struct perf_sample *sample,
1471                                     struct evsel *evsel,
1472                                     struct thread *thread,
1473                                     struct addr_location *al,
1474                                     struct addr_location *addr_al,
1475                                     struct machine *machine, FILE *fp)
1476 {
1477         struct perf_event_attr *attr = &evsel->core.attr;
1478         unsigned int type = output_type(attr->type);
1479         bool print_srcline_last = false;
1480         int printed = 0;
1481
1482         if (PRINT_FIELD(CALLINDENT))
1483                 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, addr_al, fp);
1484
1485         /* print branch_from information */
1486         if (PRINT_FIELD(IP)) {
1487                 unsigned int print_opts = output[type].print_ip_opts;
1488                 struct callchain_cursor *cursor = NULL;
1489
1490                 if (symbol_conf.use_callchain && sample->callchain &&
1491                     thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1492                                               sample, NULL, NULL, scripting_max_stack) == 0)
1493                         cursor = &callchain_cursor;
1494
1495                 if (cursor == NULL) {
1496                         printed += fprintf(fp, " ");
1497                         if (print_opts & EVSEL__PRINT_SRCLINE) {
1498                                 print_srcline_last = true;
1499                                 print_opts &= ~EVSEL__PRINT_SRCLINE;
1500                         }
1501                 } else
1502                         printed += fprintf(fp, "\n");
1503
1504                 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor,
1505                                                symbol_conf.bt_stop_list, fp);
1506         }
1507
1508         /* print branch_to information */
1509         if (PRINT_FIELD(ADDR) ||
1510             ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
1511              !output[type].user_set)) {
1512                 printed += fprintf(fp, " => ");
1513                 printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1514         }
1515
1516         printed += perf_sample__fprintf_ipc(sample, attr, fp);
1517
1518         if (print_srcline_last)
1519                 printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
1520
1521         printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1522         printed += fprintf(fp, "\n");
1523         if (PRINT_FIELD(SRCCODE)) {
1524                 int ret = map__fprintf_srccode(al->map, al->addr, stdout,
1525                                          &thread->srccode_state);
1526                 if (ret) {
1527                         printed += ret;
1528                         printed += printf("\n");
1529                 }
1530         }
1531         return printed;
1532 }
1533
1534 static struct {
1535         u32 flags;
1536         const char *name;
1537 } sample_flags[] = {
1538         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1539         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1540         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1541         {PERF_IP_FLAG_BRANCH, "jmp"},
1542         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1543         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1544         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1545         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1546         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1547         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"},
1548         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1549         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1550         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1551         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMENTRY, "vmentry"},
1552         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMEXIT, "vmexit"},
1553         {0, NULL}
1554 };
1555
1556 static const char *sample_flags_to_name(u32 flags)
1557 {
1558         int i;
1559
1560         for (i = 0; sample_flags[i].name ; i++) {
1561                 if (sample_flags[i].flags == flags)
1562                         return sample_flags[i].name;
1563         }
1564
1565         return NULL;
1566 }
1567
1568 int perf_sample__sprintf_flags(u32 flags, char *str, size_t sz)
1569 {
1570         const char *chars = PERF_IP_FLAG_CHARS;
1571         const size_t n = strlen(PERF_IP_FLAG_CHARS);
1572         bool in_tx = flags & PERF_IP_FLAG_IN_TX;
1573         const char *name = NULL;
1574         size_t i, pos = 0;
1575
1576         name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX);
1577         if (name)
1578                 return snprintf(str, sz, "%-15s%4s", name, in_tx ? "(x)" : "");
1579
1580         if (flags & PERF_IP_FLAG_TRACE_BEGIN) {
1581                 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN));
1582                 if (name)
1583                         return snprintf(str, sz, "tr strt %-7s%4s", name, in_tx ? "(x)" : "");
1584         }
1585
1586         if (flags & PERF_IP_FLAG_TRACE_END) {
1587                 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END));
1588                 if (name)
1589                         return snprintf(str, sz, "tr end  %-7s%4s", name, in_tx ? "(x)" : "");
1590         }
1591
1592         for (i = 0; i < n; i++, flags >>= 1) {
1593                 if ((flags & 1) && pos < sz)
1594                         str[pos++] = chars[i];
1595         }
1596         for (; i < 32; i++, flags >>= 1) {
1597                 if ((flags & 1) && pos < sz)
1598                         str[pos++] = '?';
1599         }
1600         if (pos < sz)
1601                 str[pos] = 0;
1602
1603         return pos;
1604 }
1605
1606 static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1607 {
1608         char str[SAMPLE_FLAGS_BUF_SIZE];
1609
1610         perf_sample__sprintf_flags(flags, str, sizeof(str));
1611         return fprintf(fp, "  %-19s ", str);
1612 }
1613
1614 struct printer_data {
1615         int line_no;
1616         bool hit_nul;
1617         bool is_printable;
1618 };
1619
1620 static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1621                                       unsigned int val,
1622                                       void *extra, FILE *fp)
1623 {
1624         unsigned char ch = (unsigned char)val;
1625         struct printer_data *printer_data = extra;
1626         int printed = 0;
1627
1628         switch (op) {
1629         case BINARY_PRINT_DATA_BEGIN:
1630                 printed += fprintf(fp, "\n");
1631                 break;
1632         case BINARY_PRINT_LINE_BEGIN:
1633                 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1634                                                         "           ");
1635                 break;
1636         case BINARY_PRINT_ADDR:
1637                 printed += fprintf(fp, " %04x:", val);
1638                 break;
1639         case BINARY_PRINT_NUM_DATA:
1640                 printed += fprintf(fp, " %02x", val);
1641                 break;
1642         case BINARY_PRINT_NUM_PAD:
1643                 printed += fprintf(fp, "   ");
1644                 break;
1645         case BINARY_PRINT_SEP:
1646                 printed += fprintf(fp, "  ");
1647                 break;
1648         case BINARY_PRINT_CHAR_DATA:
1649                 if (printer_data->hit_nul && ch)
1650                         printer_data->is_printable = false;
1651
1652                 if (!isprint(ch)) {
1653                         printed += fprintf(fp, "%c", '.');
1654
1655                         if (!printer_data->is_printable)
1656                                 break;
1657
1658                         if (ch == '\0')
1659                                 printer_data->hit_nul = true;
1660                         else
1661                                 printer_data->is_printable = false;
1662                 } else {
1663                         printed += fprintf(fp, "%c", ch);
1664                 }
1665                 break;
1666         case BINARY_PRINT_CHAR_PAD:
1667                 printed += fprintf(fp, " ");
1668                 break;
1669         case BINARY_PRINT_LINE_END:
1670                 printed += fprintf(fp, "\n");
1671                 printer_data->line_no++;
1672                 break;
1673         case BINARY_PRINT_DATA_END:
1674         default:
1675                 break;
1676         }
1677
1678         return printed;
1679 }
1680
1681 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1682 {
1683         unsigned int nr_bytes = sample->raw_size;
1684         struct printer_data printer_data = {0, false, true};
1685         int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1686                                       sample__fprintf_bpf_output, &printer_data, fp);
1687
1688         if (printer_data.is_printable && printer_data.hit_nul)
1689                 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1690
1691         return printed;
1692 }
1693
1694 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1695 {
1696         if (len > 0 && len < spacing)
1697                 return fprintf(fp, "%*s", spacing - len, "");
1698
1699         return 0;
1700 }
1701
1702 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1703 {
1704         return perf_sample__fprintf_spacing(len, 34, fp);
1705 }
1706
1707 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1708 {
1709         struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1710         int len;
1711
1712         if (perf_sample__bad_synth_size(sample, *data))
1713                 return 0;
1714
1715         len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ",
1716                      data->ip, le64_to_cpu(data->payload));
1717         return len + perf_sample__fprintf_pt_spacing(len, fp);
1718 }
1719
1720 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1721 {
1722         struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1723         int len;
1724
1725         if (perf_sample__bad_synth_size(sample, *data))
1726                 return 0;
1727
1728         len = fprintf(fp, " hints: %#x extensions: %#x ",
1729                       data->hints, data->extensions);
1730         return len + perf_sample__fprintf_pt_spacing(len, fp);
1731 }
1732
1733 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1734 {
1735         struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1736         int len;
1737
1738         if (perf_sample__bad_synth_size(sample, *data))
1739                 return 0;
1740
1741         len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1742                       data->hw, data->cstate, data->subcstate);
1743         return len + perf_sample__fprintf_pt_spacing(len, fp);
1744 }
1745
1746 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1747 {
1748         struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1749         int len;
1750
1751         if (perf_sample__bad_synth_size(sample, *data))
1752                 return 0;
1753
1754         len = fprintf(fp, " IP: %u ", data->ip);
1755         return len + perf_sample__fprintf_pt_spacing(len, fp);
1756 }
1757
1758 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1759 {
1760         struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1761         int len;
1762
1763         if (perf_sample__bad_synth_size(sample, *data))
1764                 return 0;
1765
1766         len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1767                      data->deepest_cstate, data->last_cstate,
1768                      data->wake_reason);
1769         return len + perf_sample__fprintf_pt_spacing(len, fp);
1770 }
1771
1772 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1773 {
1774         struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1775         unsigned int percent, freq;
1776         int len;
1777
1778         if (perf_sample__bad_synth_size(sample, *data))
1779                 return 0;
1780
1781         freq = (le32_to_cpu(data->freq) + 500) / 1000;
1782         len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1783         if (data->max_nonturbo) {
1784                 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1785                 len += fprintf(fp, "(%3u%%) ", percent);
1786         }
1787         return len + perf_sample__fprintf_pt_spacing(len, fp);
1788 }
1789
1790 static int perf_sample__fprintf_synth_psb(struct perf_sample *sample, FILE *fp)
1791 {
1792         struct perf_synth_intel_psb *data = perf_sample__synth_ptr(sample);
1793         int len;
1794
1795         if (perf_sample__bad_synth_size(sample, *data))
1796                 return 0;
1797
1798         len = fprintf(fp, " psb offs: %#" PRIx64, data->offset);
1799         return len + perf_sample__fprintf_pt_spacing(len, fp);
1800 }
1801
1802 static int perf_sample__fprintf_synth(struct perf_sample *sample,
1803                                       struct evsel *evsel, FILE *fp)
1804 {
1805         switch (evsel->core.attr.config) {
1806         case PERF_SYNTH_INTEL_PTWRITE:
1807                 return perf_sample__fprintf_synth_ptwrite(sample, fp);
1808         case PERF_SYNTH_INTEL_MWAIT:
1809                 return perf_sample__fprintf_synth_mwait(sample, fp);
1810         case PERF_SYNTH_INTEL_PWRE:
1811                 return perf_sample__fprintf_synth_pwre(sample, fp);
1812         case PERF_SYNTH_INTEL_EXSTOP:
1813                 return perf_sample__fprintf_synth_exstop(sample, fp);
1814         case PERF_SYNTH_INTEL_PWRX:
1815                 return perf_sample__fprintf_synth_pwrx(sample, fp);
1816         case PERF_SYNTH_INTEL_CBR:
1817                 return perf_sample__fprintf_synth_cbr(sample, fp);
1818         case PERF_SYNTH_INTEL_PSB:
1819                 return perf_sample__fprintf_synth_psb(sample, fp);
1820         default:
1821                 break;
1822         }
1823
1824         return 0;
1825 }
1826
1827 static int evlist__max_name_len(struct evlist *evlist)
1828 {
1829         struct evsel *evsel;
1830         int max = 0;
1831
1832         evlist__for_each_entry(evlist, evsel) {
1833                 int len = strlen(evsel__name(evsel));
1834
1835                 max = MAX(len, max);
1836         }
1837
1838         return max;
1839 }
1840
1841 static int data_src__fprintf(u64 data_src, FILE *fp)
1842 {
1843         struct mem_info mi = { .data_src.val = data_src };
1844         char decode[100];
1845         char out[100];
1846         static int maxlen;
1847         int len;
1848
1849         perf_script__meminfo_scnprintf(decode, 100, &mi);
1850
1851         len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
1852         if (maxlen < len)
1853                 maxlen = len;
1854
1855         return fprintf(fp, "%-*s", maxlen, out);
1856 }
1857
1858 struct metric_ctx {
1859         struct perf_sample      *sample;
1860         struct thread           *thread;
1861         struct evsel    *evsel;
1862         FILE                    *fp;
1863 };
1864
1865 static void script_print_metric(struct perf_stat_config *config __maybe_unused,
1866                                 void *ctx, const char *color,
1867                                 const char *fmt,
1868                                 const char *unit, double val)
1869 {
1870         struct metric_ctx *mctx = ctx;
1871
1872         if (!fmt)
1873                 return;
1874         perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
1875                                    PERF_RECORD_SAMPLE, mctx->fp);
1876         fputs("\tmetric: ", mctx->fp);
1877         if (color)
1878                 color_fprintf(mctx->fp, color, fmt, val);
1879         else
1880                 printf(fmt, val);
1881         fprintf(mctx->fp, " %s\n", unit);
1882 }
1883
1884 static void script_new_line(struct perf_stat_config *config __maybe_unused,
1885                             void *ctx)
1886 {
1887         struct metric_ctx *mctx = ctx;
1888
1889         perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
1890                                    PERF_RECORD_SAMPLE, mctx->fp);
1891         fputs("\tmetric: ", mctx->fp);
1892 }
1893
1894 static void perf_sample__fprint_metric(struct perf_script *script,
1895                                        struct thread *thread,
1896                                        struct evsel *evsel,
1897                                        struct perf_sample *sample,
1898                                        FILE *fp)
1899 {
1900         struct perf_stat_output_ctx ctx = {
1901                 .print_metric = script_print_metric,
1902                 .new_line = script_new_line,
1903                 .ctx = &(struct metric_ctx) {
1904                                 .sample = sample,
1905                                 .thread = thread,
1906                                 .evsel  = evsel,
1907                                 .fp     = fp,
1908                          },
1909                 .force_header = false,
1910         };
1911         struct evsel *ev2;
1912         u64 val;
1913
1914         if (!evsel->stats)
1915                 evlist__alloc_stats(script->session->evlist, false);
1916         if (evsel_script(evsel->leader)->gnum++ == 0)
1917                 perf_stat__reset_shadow_stats();
1918         val = sample->period * evsel->scale;
1919         perf_stat__update_shadow_stats(evsel,
1920                                        val,
1921                                        sample->cpu,
1922                                        &rt_stat);
1923         evsel_script(evsel)->val = val;
1924         if (evsel_script(evsel->leader)->gnum == evsel->leader->core.nr_members) {
1925                 for_each_group_member (ev2, evsel->leader) {
1926                         perf_stat__print_shadow_stats(&stat_config, ev2,
1927                                                       evsel_script(ev2)->val,
1928                                                       sample->cpu,
1929                                                       &ctx,
1930                                                       NULL,
1931                                                       &rt_stat);
1932                 }
1933                 evsel_script(evsel->leader)->gnum = 0;
1934         }
1935 }
1936
1937 static bool show_event(struct perf_sample *sample,
1938                        struct evsel *evsel,
1939                        struct thread *thread,
1940                        struct addr_location *al,
1941                        struct addr_location *addr_al)
1942 {
1943         int depth = thread_stack__depth(thread, sample->cpu);
1944
1945         if (!symbol_conf.graph_function)
1946                 return true;
1947
1948         if (thread->filter) {
1949                 if (depth <= thread->filter_entry_depth) {
1950                         thread->filter = false;
1951                         return false;
1952                 }
1953                 return true;
1954         } else {
1955                 const char *s = symbol_conf.graph_function;
1956                 u64 ip;
1957                 const char *name = resolve_branch_sym(sample, evsel, thread, al, addr_al,
1958                                 &ip);
1959                 unsigned nlen;
1960
1961                 if (!name)
1962                         return false;
1963                 nlen = strlen(name);
1964                 while (*s) {
1965                         unsigned len = strcspn(s, ",");
1966                         if (nlen == len && !strncmp(name, s, len)) {
1967                                 thread->filter = true;
1968                                 thread->filter_entry_depth = depth;
1969                                 return true;
1970                         }
1971                         s += len;
1972                         if (*s == ',')
1973                                 s++;
1974                 }
1975                 return false;
1976         }
1977 }
1978
1979 static void process_event(struct perf_script *script,
1980                           struct perf_sample *sample, struct evsel *evsel,
1981                           struct addr_location *al,
1982                           struct addr_location *addr_al,
1983                           struct machine *machine)
1984 {
1985         struct thread *thread = al->thread;
1986         struct perf_event_attr *attr = &evsel->core.attr;
1987         unsigned int type = output_type(attr->type);
1988         struct evsel_script *es = evsel->priv;
1989         FILE *fp = es->fp;
1990         char str[PAGE_SIZE_NAME_LEN];
1991
1992         if (output[type].fields == 0)
1993                 return;
1994
1995         ++es->samples;
1996
1997         perf_sample__fprintf_start(script, sample, thread, evsel,
1998                                    PERF_RECORD_SAMPLE, fp);
1999
2000         if (PRINT_FIELD(PERIOD))
2001                 fprintf(fp, "%10" PRIu64 " ", sample->period);
2002
2003         if (PRINT_FIELD(EVNAME)) {
2004                 const char *evname = evsel__name(evsel);
2005
2006                 if (!script->name_width)
2007                         script->name_width = evlist__max_name_len(script->session->evlist);
2008
2009                 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
2010         }
2011
2012         if (print_flags)
2013                 perf_sample__fprintf_flags(sample->flags, fp);
2014
2015         if (is_bts_event(attr)) {
2016                 perf_sample__fprintf_bts(sample, evsel, thread, al, addr_al, machine, fp);
2017                 return;
2018         }
2019
2020         if (PRINT_FIELD(TRACE) && sample->raw_data) {
2021                 event_format__fprintf(evsel->tp_format, sample->cpu,
2022                                       sample->raw_data, sample->raw_size, fp);
2023         }
2024
2025         if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
2026                 perf_sample__fprintf_synth(sample, evsel, fp);
2027
2028         if (PRINT_FIELD(ADDR))
2029                 perf_sample__fprintf_addr(sample, thread, attr, fp);
2030
2031         if (PRINT_FIELD(DATA_SRC))
2032                 data_src__fprintf(sample->data_src, fp);
2033
2034         if (PRINT_FIELD(WEIGHT))
2035                 fprintf(fp, "%16" PRIu64, sample->weight);
2036
2037         if (PRINT_FIELD(IP)) {
2038                 struct callchain_cursor *cursor = NULL;
2039
2040                 if (script->stitch_lbr)
2041                         al->thread->lbr_stitch_enable = true;
2042
2043                 if (symbol_conf.use_callchain && sample->callchain &&
2044                     thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
2045                                               sample, NULL, NULL, scripting_max_stack) == 0)
2046                         cursor = &callchain_cursor;
2047
2048                 fputc(cursor ? '\n' : ' ', fp);
2049                 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor,
2050                                     symbol_conf.bt_stop_list, fp);
2051         }
2052
2053         if (PRINT_FIELD(IREGS))
2054                 perf_sample__fprintf_iregs(sample, attr, fp);
2055
2056         if (PRINT_FIELD(UREGS))
2057                 perf_sample__fprintf_uregs(sample, attr, fp);
2058
2059         if (PRINT_FIELD(BRSTACK))
2060                 perf_sample__fprintf_brstack(sample, thread, attr, fp);
2061         else if (PRINT_FIELD(BRSTACKSYM))
2062                 perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
2063         else if (PRINT_FIELD(BRSTACKOFF))
2064                 perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
2065
2066         if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
2067                 perf_sample__fprintf_bpf_output(sample, fp);
2068         perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
2069
2070         if (PRINT_FIELD(PHYS_ADDR))
2071                 fprintf(fp, "%16" PRIx64, sample->phys_addr);
2072
2073         if (PRINT_FIELD(DATA_PAGE_SIZE))
2074                 fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str));
2075
2076         if (PRINT_FIELD(CODE_PAGE_SIZE))
2077                 fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str));
2078
2079         perf_sample__fprintf_ipc(sample, attr, fp);
2080
2081         fprintf(fp, "\n");
2082
2083         if (PRINT_FIELD(SRCCODE)) {
2084                 if (map__fprintf_srccode(al->map, al->addr, stdout,
2085                                          &thread->srccode_state))
2086                         printf("\n");
2087         }
2088
2089         if (PRINT_FIELD(METRIC))
2090                 perf_sample__fprint_metric(script, thread, evsel, sample, fp);
2091
2092         if (verbose)
2093                 fflush(fp);
2094 }
2095
2096 static struct scripting_ops     *scripting_ops;
2097
2098 static void __process_stat(struct evsel *counter, u64 tstamp)
2099 {
2100         int nthreads = perf_thread_map__nr(counter->core.threads);
2101         int ncpus = evsel__nr_cpus(counter);
2102         int cpu, thread;
2103         static int header_printed;
2104
2105         if (counter->core.system_wide)
2106                 nthreads = 1;
2107
2108         if (!header_printed) {
2109                 printf("%3s %8s %15s %15s %15s %15s %s\n",
2110                        "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
2111                 header_printed = 1;
2112         }
2113
2114         for (thread = 0; thread < nthreads; thread++) {
2115                 for (cpu = 0; cpu < ncpus; cpu++) {
2116                         struct perf_counts_values *counts;
2117
2118                         counts = perf_counts(counter->counts, cpu, thread);
2119
2120                         printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
2121                                 counter->core.cpus->map[cpu],
2122                                 perf_thread_map__pid(counter->core.threads, thread),
2123                                 counts->val,
2124                                 counts->ena,
2125                                 counts->run,
2126                                 tstamp,
2127                                 evsel__name(counter));
2128                 }
2129         }
2130 }
2131
2132 static void process_stat(struct evsel *counter, u64 tstamp)
2133 {
2134         if (scripting_ops && scripting_ops->process_stat)
2135                 scripting_ops->process_stat(&stat_config, counter, tstamp);
2136         else
2137                 __process_stat(counter, tstamp);
2138 }
2139
2140 static void process_stat_interval(u64 tstamp)
2141 {
2142         if (scripting_ops && scripting_ops->process_stat_interval)
2143                 scripting_ops->process_stat_interval(tstamp);
2144 }
2145
2146 static void setup_scripting(void)
2147 {
2148         setup_perl_scripting();
2149         setup_python_scripting();
2150 }
2151
2152 static int flush_scripting(void)
2153 {
2154         return scripting_ops ? scripting_ops->flush_script() : 0;
2155 }
2156
2157 static int cleanup_scripting(void)
2158 {
2159         pr_debug("\nperf script stopped\n");
2160
2161         return scripting_ops ? scripting_ops->stop_script() : 0;
2162 }
2163
2164 static bool filter_cpu(struct perf_sample *sample)
2165 {
2166         if (cpu_list && sample->cpu != (u32)-1)
2167                 return !test_bit(sample->cpu, cpu_bitmap);
2168         return false;
2169 }
2170
2171 static int process_sample_event(struct perf_tool *tool,
2172                                 union perf_event *event,
2173                                 struct perf_sample *sample,
2174                                 struct evsel *evsel,
2175                                 struct machine *machine)
2176 {
2177         struct perf_script *scr = container_of(tool, struct perf_script, tool);
2178         struct addr_location al;
2179         struct addr_location addr_al;
2180         int ret = 0;
2181
2182         /* Set thread to NULL to indicate addr_al and al are not initialized */
2183         addr_al.thread = NULL;
2184         al.thread = NULL;
2185
2186         ret = dlfilter__filter_event_early(dlfilter, event, sample, evsel, machine, &al, &addr_al);
2187         if (ret) {
2188                 if (ret > 0)
2189                         ret = 0;
2190                 goto out_put;
2191         }
2192
2193         if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
2194                                           sample->time)) {
2195                 goto out_put;
2196         }
2197
2198         if (debug_mode) {
2199                 if (sample->time < last_timestamp) {
2200                         pr_err("Samples misordered, previous: %" PRIu64
2201                                 " this: %" PRIu64 "\n", last_timestamp,
2202                                 sample->time);
2203                         nr_unordered++;
2204                 }
2205                 last_timestamp = sample->time;
2206                 goto out_put;
2207         }
2208
2209         if (filter_cpu(sample))
2210                 goto out_put;
2211
2212         if (machine__resolve(machine, &al, sample) < 0) {
2213                 pr_err("problem processing %d event, skipping it.\n",
2214                        event->header.type);
2215                 ret = -1;
2216                 goto out_put;
2217         }
2218
2219         if (al.filtered)
2220                 goto out_put;
2221
2222         if (!show_event(sample, evsel, al.thread, &al, &addr_al))
2223                 goto out_put;
2224
2225         if (evswitch__discard(&scr->evswitch, evsel))
2226                 goto out_put;
2227
2228         ret = dlfilter__filter_event(dlfilter, event, sample, evsel, machine, &al, &addr_al);
2229         if (ret) {
2230                 if (ret > 0)
2231                         ret = 0;
2232                 goto out_put;
2233         }
2234
2235         if (scripting_ops) {
2236                 struct addr_location *addr_al_ptr = NULL;
2237
2238                 if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
2239                     sample_addr_correlates_sym(&evsel->core.attr)) {
2240                         if (!addr_al.thread)
2241                                 thread__resolve(al.thread, &addr_al, sample);
2242                         addr_al_ptr = &addr_al;
2243                 }
2244                 scripting_ops->process_event(event, sample, evsel, &al, addr_al_ptr);
2245         } else {
2246                 process_event(scr, sample, evsel, &al, &addr_al, machine);
2247         }
2248
2249 out_put:
2250         if (al.thread)
2251                 addr_location__put(&al);
2252         return ret;
2253 }
2254
2255 static int process_attr(struct perf_tool *tool, union perf_event *event,
2256                         struct evlist **pevlist)
2257 {
2258         struct perf_script *scr = container_of(tool, struct perf_script, tool);
2259         struct evlist *evlist;
2260         struct evsel *evsel, *pos;
2261         u64 sample_type;
2262         int err;
2263         static struct evsel_script *es;
2264
2265         err = perf_event__process_attr(tool, event, pevlist);
2266         if (err)
2267                 return err;
2268
2269         evlist = *pevlist;
2270         evsel = evlist__last(*pevlist);
2271
2272         if (!evsel->priv) {
2273                 if (scr->per_event_dump) {
2274                         evsel->priv = evsel_script__new(evsel, scr->session->data);
2275                 } else {
2276                         es = zalloc(sizeof(*es));
2277                         if (!es)
2278                                 return -ENOMEM;
2279                         es->fp = stdout;
2280                         evsel->priv = es;
2281                 }
2282         }
2283
2284         if (evsel->core.attr.type >= PERF_TYPE_MAX &&
2285             evsel->core.attr.type != PERF_TYPE_SYNTH)
2286                 return 0;
2287
2288         evlist__for_each_entry(evlist, pos) {
2289                 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel)
2290                         return 0;
2291         }
2292
2293         if (evsel->core.attr.sample_type) {
2294                 err = evsel__check_attr(evsel, scr->session);
2295                 if (err)
2296                         return err;
2297         }
2298
2299         /*
2300          * Check if we need to enable callchains based
2301          * on events sample_type.
2302          */
2303         sample_type = evlist__combined_sample_type(evlist);
2304         callchain_param_setup(sample_type);
2305
2306         /* Enable fields for callchain entries */
2307         if (symbol_conf.use_callchain &&
2308             (sample_type & PERF_SAMPLE_CALLCHAIN ||
2309              sample_type & PERF_SAMPLE_BRANCH_STACK ||
2310              (sample_type & PERF_SAMPLE_REGS_USER &&
2311               sample_type & PERF_SAMPLE_STACK_USER))) {
2312                 int type = output_type(evsel->core.attr.type);
2313
2314                 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP))
2315                         output[type].fields |= PERF_OUTPUT_IP;
2316                 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM))
2317                         output[type].fields |= PERF_OUTPUT_SYM;
2318         }
2319         set_print_ip_opts(&evsel->core.attr);
2320         return 0;
2321 }
2322
2323 static int print_event_with_time(struct perf_tool *tool,
2324                                  union perf_event *event,
2325                                  struct perf_sample *sample,
2326                                  struct machine *machine,
2327                                  pid_t pid, pid_t tid, u64 timestamp)
2328 {
2329         struct perf_script *script = container_of(tool, struct perf_script, tool);
2330         struct perf_session *session = script->session;
2331         struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id);
2332         struct thread *thread = NULL;
2333
2334         if (evsel && !evsel->core.attr.sample_id_all) {
2335                 sample->cpu = 0;
2336                 sample->time = timestamp;
2337                 sample->pid = pid;
2338                 sample->tid = tid;
2339         }
2340
2341         if (filter_cpu(sample))
2342                 return 0;
2343
2344         if (tid != -1)
2345                 thread = machine__findnew_thread(machine, pid, tid);
2346
2347         if (evsel) {
2348                 perf_sample__fprintf_start(script, sample, thread, evsel,
2349                                            event->header.type, stdout);
2350         }
2351
2352         perf_event__fprintf(event, machine, stdout);
2353
2354         thread__put(thread);
2355
2356         return 0;
2357 }
2358
2359 static int print_event(struct perf_tool *tool, union perf_event *event,
2360                        struct perf_sample *sample, struct machine *machine,
2361                        pid_t pid, pid_t tid)
2362 {
2363         return print_event_with_time(tool, event, sample, machine, pid, tid, 0);
2364 }
2365
2366 static int process_comm_event(struct perf_tool *tool,
2367                               union perf_event *event,
2368                               struct perf_sample *sample,
2369                               struct machine *machine)
2370 {
2371         if (perf_event__process_comm(tool, event, sample, machine) < 0)
2372                 return -1;
2373
2374         return print_event(tool, event, sample, machine, event->comm.pid,
2375                            event->comm.tid);
2376 }
2377
2378 static int process_namespaces_event(struct perf_tool *tool,
2379                                     union perf_event *event,
2380                                     struct perf_sample *sample,
2381                                     struct machine *machine)
2382 {
2383         if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
2384                 return -1;
2385
2386         return print_event(tool, event, sample, machine, event->namespaces.pid,
2387                            event->namespaces.tid);
2388 }
2389
2390 static int process_cgroup_event(struct perf_tool *tool,
2391                                 union perf_event *event,
2392                                 struct perf_sample *sample,
2393                                 struct machine *machine)
2394 {
2395         if (perf_event__process_cgroup(tool, event, sample, machine) < 0)
2396                 return -1;
2397
2398         return print_event(tool, event, sample, machine, sample->pid,
2399                             sample->tid);
2400 }
2401
2402 static int process_fork_event(struct perf_tool *tool,
2403                               union perf_event *event,
2404                               struct perf_sample *sample,
2405                               struct machine *machine)
2406 {
2407         if (perf_event__process_fork(tool, event, sample, machine) < 0)
2408                 return -1;
2409
2410         return print_event_with_time(tool, event, sample, machine,
2411                                      event->fork.pid, event->fork.tid,
2412                                      event->fork.time);
2413 }
2414 static int process_exit_event(struct perf_tool *tool,
2415                               union perf_event *event,
2416                               struct perf_sample *sample,
2417                               struct machine *machine)
2418 {
2419         /* Print before 'exit' deletes anything */
2420         if (print_event_with_time(tool, event, sample, machine, event->fork.pid,
2421                                   event->fork.tid, event->fork.time))
2422                 return -1;
2423
2424         return perf_event__process_exit(tool, event, sample, machine);
2425 }
2426
2427 static int process_mmap_event(struct perf_tool *tool,
2428                               union perf_event *event,
2429                               struct perf_sample *sample,
2430                               struct machine *machine)
2431 {
2432         if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2433                 return -1;
2434
2435         return print_event(tool, event, sample, machine, event->mmap.pid,
2436                            event->mmap.tid);
2437 }
2438
2439 static int process_mmap2_event(struct perf_tool *tool,
2440                               union perf_event *event,
2441                               struct perf_sample *sample,
2442                               struct machine *machine)
2443 {
2444         if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2445                 return -1;
2446
2447         return print_event(tool, event, sample, machine, event->mmap2.pid,
2448                            event->mmap2.tid);
2449 }
2450
2451 static int process_switch_event(struct perf_tool *tool,
2452                                 union perf_event *event,
2453                                 struct perf_sample *sample,
2454                                 struct machine *machine)
2455 {
2456         struct perf_script *script = container_of(tool, struct perf_script, tool);
2457
2458         if (perf_event__process_switch(tool, event, sample, machine) < 0)
2459                 return -1;
2460
2461         if (scripting_ops && scripting_ops->process_switch)
2462                 scripting_ops->process_switch(event, sample, machine);
2463
2464         if (!script->show_switch_events)
2465                 return 0;
2466
2467         return print_event(tool, event, sample, machine, sample->pid,
2468                            sample->tid);
2469 }
2470
2471 static int process_auxtrace_error(struct perf_session *session,
2472                                   union perf_event *event)
2473 {
2474         if (scripting_ops && scripting_ops->process_auxtrace_error) {
2475                 scripting_ops->process_auxtrace_error(session, event);
2476                 return 0;
2477         }
2478
2479         return perf_event__process_auxtrace_error(session, event);
2480 }
2481
2482 static int
2483 process_lost_event(struct perf_tool *tool,
2484                    union perf_event *event,
2485                    struct perf_sample *sample,
2486                    struct machine *machine)
2487 {
2488         return print_event(tool, event, sample, machine, sample->pid,
2489                            sample->tid);
2490 }
2491
2492 static int
2493 process_finished_round_event(struct perf_tool *tool __maybe_unused,
2494                              union perf_event *event,
2495                              struct ordered_events *oe __maybe_unused)
2496
2497 {
2498         perf_event__fprintf(event, NULL, stdout);
2499         return 0;
2500 }
2501
2502 static int
2503 process_bpf_events(struct perf_tool *tool __maybe_unused,
2504                    union perf_event *event,
2505                    struct perf_sample *sample,
2506                    struct machine *machine)
2507 {
2508         if (machine__process_ksymbol(machine, event, sample) < 0)
2509                 return -1;
2510
2511         return print_event(tool, event, sample, machine, sample->pid,
2512                            sample->tid);
2513 }
2514
2515 static int process_text_poke_events(struct perf_tool *tool,
2516                                     union perf_event *event,
2517                                     struct perf_sample *sample,
2518                                     struct machine *machine)
2519 {
2520         if (perf_event__process_text_poke(tool, event, sample, machine) < 0)
2521                 return -1;
2522
2523         return print_event(tool, event, sample, machine, sample->pid,
2524                            sample->tid);
2525 }
2526
2527 static void sig_handler(int sig __maybe_unused)
2528 {
2529         session_done = 1;
2530 }
2531
2532 static void perf_script__fclose_per_event_dump(struct perf_script *script)
2533 {
2534         struct evlist *evlist = script->session->evlist;
2535         struct evsel *evsel;
2536
2537         evlist__for_each_entry(evlist, evsel) {
2538                 if (!evsel->priv)
2539                         break;
2540                 evsel_script__delete(evsel->priv);
2541                 evsel->priv = NULL;
2542         }
2543 }
2544
2545 static int perf_script__fopen_per_event_dump(struct perf_script *script)
2546 {
2547         struct evsel *evsel;
2548
2549         evlist__for_each_entry(script->session->evlist, evsel) {
2550                 /*
2551                  * Already setup? I.e. we may be called twice in cases like
2552                  * Intel PT, one for the intel_pt// and dummy events, then
2553                  * for the evsels synthesized from the auxtrace info.
2554                  *
2555                  * Ses perf_script__process_auxtrace_info.
2556                  */
2557                 if (evsel->priv != NULL)
2558                         continue;
2559
2560                 evsel->priv = evsel_script__new(evsel, script->session->data);
2561                 if (evsel->priv == NULL)
2562                         goto out_err_fclose;
2563         }
2564
2565         return 0;
2566
2567 out_err_fclose:
2568         perf_script__fclose_per_event_dump(script);
2569         return -1;
2570 }
2571
2572 static int perf_script__setup_per_event_dump(struct perf_script *script)
2573 {
2574         struct evsel *evsel;
2575         static struct evsel_script es_stdout;
2576
2577         if (script->per_event_dump)
2578                 return perf_script__fopen_per_event_dump(script);
2579
2580         es_stdout.fp = stdout;
2581
2582         evlist__for_each_entry(script->session->evlist, evsel)
2583                 evsel->priv = &es_stdout;
2584
2585         return 0;
2586 }
2587
2588 static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2589 {
2590         struct evsel *evsel;
2591
2592         evlist__for_each_entry(script->session->evlist, evsel) {
2593                 struct evsel_script *es = evsel->priv;
2594
2595                 evsel_script__fprintf(es, stdout);
2596                 evsel_script__delete(es);
2597                 evsel->priv = NULL;
2598         }
2599 }
2600
2601 static int __cmd_script(struct perf_script *script)
2602 {
2603         int ret;
2604
2605         signal(SIGINT, sig_handler);
2606
2607         perf_stat__init_shadow_stats();
2608
2609         /* override event processing functions */
2610         if (script->show_task_events) {
2611                 script->tool.comm = process_comm_event;
2612                 script->tool.fork = process_fork_event;
2613                 script->tool.exit = process_exit_event;
2614         }
2615         if (script->show_mmap_events) {
2616                 script->tool.mmap = process_mmap_event;
2617                 script->tool.mmap2 = process_mmap2_event;
2618         }
2619         if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch))
2620                 script->tool.context_switch = process_switch_event;
2621         if (scripting_ops && scripting_ops->process_auxtrace_error)
2622                 script->tool.auxtrace_error = process_auxtrace_error;
2623         if (script->show_namespace_events)
2624                 script->tool.namespaces = process_namespaces_event;
2625         if (script->show_cgroup_events)
2626                 script->tool.cgroup = process_cgroup_event;
2627         if (script->show_lost_events)
2628                 script->tool.lost = process_lost_event;
2629         if (script->show_round_events) {
2630                 script->tool.ordered_events = false;
2631                 script->tool.finished_round = process_finished_round_event;
2632         }
2633         if (script->show_bpf_events) {
2634                 script->tool.ksymbol = process_bpf_events;
2635                 script->tool.bpf     = process_bpf_events;
2636         }
2637         if (script->show_text_poke_events) {
2638                 script->tool.ksymbol   = process_bpf_events;
2639                 script->tool.text_poke = process_text_poke_events;
2640         }
2641
2642         if (perf_script__setup_per_event_dump(script)) {
2643                 pr_err("Couldn't create the per event dump files\n");
2644                 return -1;
2645         }
2646
2647         ret = perf_session__process_events(script->session);
2648
2649         if (script->per_event_dump)
2650                 perf_script__exit_per_event_dump_stats(script);
2651
2652         if (debug_mode)
2653                 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2654
2655         return ret;
2656 }
2657
2658 struct script_spec {
2659         struct list_head        node;
2660         struct scripting_ops    *ops;
2661         char                    spec[];
2662 };
2663
2664 static LIST_HEAD(script_specs);
2665
2666 static struct script_spec *script_spec__new(const char *spec,
2667                                             struct scripting_ops *ops)
2668 {
2669         struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2670
2671         if (s != NULL) {
2672                 strcpy(s->spec, spec);
2673                 s->ops = ops;
2674         }
2675
2676         return s;
2677 }
2678
2679 static void script_spec__add(struct script_spec *s)
2680 {
2681         list_add_tail(&s->node, &script_specs);
2682 }
2683
2684 static struct script_spec *script_spec__find(const char *spec)
2685 {
2686         struct script_spec *s;
2687
2688         list_for_each_entry(s, &script_specs, node)
2689                 if (strcasecmp(s->spec, spec) == 0)
2690                         return s;
2691         return NULL;
2692 }
2693
2694 int script_spec_register(const char *spec, struct scripting_ops *ops)
2695 {
2696         struct script_spec *s;
2697
2698         s = script_spec__find(spec);
2699         if (s)
2700                 return -1;
2701
2702         s = script_spec__new(spec, ops);
2703         if (!s)
2704                 return -1;
2705         else
2706                 script_spec__add(s);
2707
2708         return 0;
2709 }
2710
2711 static struct scripting_ops *script_spec__lookup(const char *spec)
2712 {
2713         struct script_spec *s = script_spec__find(spec);
2714         if (!s)
2715                 return NULL;
2716
2717         return s->ops;
2718 }
2719
2720 static void list_available_languages(void)
2721 {
2722         struct script_spec *s;
2723
2724         fprintf(stderr, "\n");
2725         fprintf(stderr, "Scripting language extensions (used in "
2726                 "perf script -s [spec:]script.[spec]):\n\n");
2727
2728         list_for_each_entry(s, &script_specs, node)
2729                 fprintf(stderr, "  %-42s [%s]\n", s->spec, s->ops->name);
2730
2731         fprintf(stderr, "\n");
2732 }
2733
2734 /* Find script file relative to current directory or exec path */
2735 static char *find_script(const char *script)
2736 {
2737         char path[PATH_MAX];
2738
2739         if (!scripting_ops) {
2740                 const char *ext = strrchr(script, '.');
2741
2742                 if (!ext)
2743                         return NULL;
2744
2745                 scripting_ops = script_spec__lookup(++ext);
2746                 if (!scripting_ops)
2747                         return NULL;
2748         }
2749
2750         if (access(script, R_OK)) {
2751                 char *exec_path = get_argv_exec_path();
2752
2753                 if (!exec_path)
2754                         return NULL;
2755                 snprintf(path, sizeof(path), "%s/scripts/%s/%s",
2756                          exec_path, scripting_ops->dirname, script);
2757                 free(exec_path);
2758                 script = path;
2759                 if (access(script, R_OK))
2760                         return NULL;
2761         }
2762         return strdup(script);
2763 }
2764
2765 static int parse_scriptname(const struct option *opt __maybe_unused,
2766                             const char *str, int unset __maybe_unused)
2767 {
2768         char spec[PATH_MAX];
2769         const char *script, *ext;
2770         int len;
2771
2772         if (strcmp(str, "lang") == 0) {
2773                 list_available_languages();
2774                 exit(0);
2775         }
2776
2777         script = strchr(str, ':');
2778         if (script) {
2779                 len = script - str;
2780                 if (len >= PATH_MAX) {
2781                         fprintf(stderr, "invalid language specifier");
2782                         return -1;
2783                 }
2784                 strncpy(spec, str, len);
2785                 spec[len] = '\0';
2786                 scripting_ops = script_spec__lookup(spec);
2787                 if (!scripting_ops) {
2788                         fprintf(stderr, "invalid language specifier");
2789                         return -1;
2790                 }
2791                 script++;
2792         } else {
2793                 script = str;
2794                 ext = strrchr(script, '.');
2795                 if (!ext) {
2796                         fprintf(stderr, "invalid script extension");
2797                         return -1;
2798                 }
2799                 scripting_ops = script_spec__lookup(++ext);
2800                 if (!scripting_ops) {
2801                         fprintf(stderr, "invalid script extension");
2802                         return -1;
2803                 }
2804         }
2805
2806         script_name = find_script(script);
2807         if (!script_name)
2808                 script_name = strdup(script);
2809
2810         return 0;
2811 }
2812
2813 static int parse_output_fields(const struct option *opt __maybe_unused,
2814                             const char *arg, int unset __maybe_unused)
2815 {
2816         char *tok, *strtok_saveptr = NULL;
2817         int i, imax = ARRAY_SIZE(all_output_options);
2818         int j;
2819         int rc = 0;
2820         char *str = strdup(arg);
2821         int type = -1;
2822         enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
2823
2824         if (!str)
2825                 return -ENOMEM;
2826
2827         /* first word can state for which event type the user is specifying
2828          * the fields. If no type exists, the specified fields apply to all
2829          * event types found in the file minus the invalid fields for a type.
2830          */
2831         tok = strchr(str, ':');
2832         if (tok) {
2833                 *tok = '\0';
2834                 tok++;
2835                 if (!strcmp(str, "hw"))
2836                         type = PERF_TYPE_HARDWARE;
2837                 else if (!strcmp(str, "sw"))
2838                         type = PERF_TYPE_SOFTWARE;
2839                 else if (!strcmp(str, "trace"))
2840                         type = PERF_TYPE_TRACEPOINT;
2841                 else if (!strcmp(str, "raw"))
2842                         type = PERF_TYPE_RAW;
2843                 else if (!strcmp(str, "break"))
2844                         type = PERF_TYPE_BREAKPOINT;
2845                 else if (!strcmp(str, "synth"))
2846                         type = OUTPUT_TYPE_SYNTH;
2847                 else {
2848                         fprintf(stderr, "Invalid event type in field string.\n");
2849                         rc = -EINVAL;
2850                         goto out;
2851                 }
2852
2853                 if (output[type].user_set)
2854                         pr_warning("Overriding previous field request for %s events.\n",
2855                                    event_type(type));
2856
2857                 /* Don't override defaults for +- */
2858                 if (strchr(tok, '+') || strchr(tok, '-'))
2859                         goto parse;
2860
2861                 output[type].fields = 0;
2862                 output[type].user_set = true;
2863                 output[type].wildcard_set = false;
2864
2865         } else {
2866                 tok = str;
2867                 if (strlen(str) == 0) {
2868                         fprintf(stderr,
2869                                 "Cannot set fields to 'none' for all event types.\n");
2870                         rc = -EINVAL;
2871                         goto out;
2872                 }
2873
2874                 /* Don't override defaults for +- */
2875                 if (strchr(str, '+') || strchr(str, '-'))
2876                         goto parse;
2877
2878                 if (output_set_by_user())
2879                         pr_warning("Overriding previous field request for all events.\n");
2880
2881                 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2882                         output[j].fields = 0;
2883                         output[j].user_set = true;
2884                         output[j].wildcard_set = true;
2885                 }
2886         }
2887
2888 parse:
2889         for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
2890                 if (*tok == '+') {
2891                         if (change == SET)
2892                                 goto out_badmix;
2893                         change = ADD;
2894                         tok++;
2895                 } else if (*tok == '-') {
2896                         if (change == SET)
2897                                 goto out_badmix;
2898                         change = REMOVE;
2899                         tok++;
2900                 } else {
2901                         if (change != SET && change != DEFAULT)
2902                                 goto out_badmix;
2903                         change = SET;
2904                 }
2905
2906                 for (i = 0; i < imax; ++i) {
2907                         if (strcmp(tok, all_output_options[i].str) == 0)
2908                                 break;
2909                 }
2910                 if (i == imax && strcmp(tok, "flags") == 0) {
2911                         print_flags = change != REMOVE;
2912                         continue;
2913                 }
2914                 if (i == imax) {
2915                         fprintf(stderr, "Invalid field requested.\n");
2916                         rc = -EINVAL;
2917                         goto out;
2918                 }
2919
2920                 if (type == -1) {
2921                         /* add user option to all events types for
2922                          * which it is valid
2923                          */
2924                         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2925                                 if (output[j].invalid_fields & all_output_options[i].field) {
2926                                         pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
2927                                                    all_output_options[i].str, event_type(j));
2928                                 } else {
2929                                         if (change == REMOVE) {
2930                                                 output[j].fields &= ~all_output_options[i].field;
2931                                                 output[j].user_set_fields &= ~all_output_options[i].field;
2932                                                 output[j].user_unset_fields |= all_output_options[i].field;
2933                                         } else {
2934                                                 output[j].fields |= all_output_options[i].field;
2935                                                 output[j].user_set_fields |= all_output_options[i].field;
2936                                                 output[j].user_unset_fields &= ~all_output_options[i].field;
2937                                         }
2938                                         output[j].user_set = true;
2939                                         output[j].wildcard_set = true;
2940                                 }
2941                         }
2942                 } else {
2943                         if (output[type].invalid_fields & all_output_options[i].field) {
2944                                 fprintf(stderr, "\'%s\' not valid for %s events.\n",
2945                                          all_output_options[i].str, event_type(type));
2946
2947                                 rc = -EINVAL;
2948                                 goto out;
2949                         }
2950                         if (change == REMOVE)
2951                                 output[type].fields &= ~all_output_options[i].field;
2952                         else
2953                                 output[type].fields |= all_output_options[i].field;
2954                         output[type].user_set = true;
2955                         output[type].wildcard_set = true;
2956                 }
2957         }
2958
2959         if (type >= 0) {
2960                 if (output[type].fields == 0) {
2961                         pr_debug("No fields requested for %s type. "
2962                                  "Events will not be displayed.\n", event_type(type));
2963                 }
2964         }
2965         goto out;
2966
2967 out_badmix:
2968         fprintf(stderr, "Cannot mix +-field with overridden fields\n");
2969         rc = -EINVAL;
2970 out:
2971         free(str);
2972         return rc;
2973 }
2974
2975 #define for_each_lang(scripts_path, scripts_dir, lang_dirent)           \
2976         while ((lang_dirent = readdir(scripts_dir)) != NULL)            \
2977                 if ((lang_dirent->d_type == DT_DIR ||                   \
2978                      (lang_dirent->d_type == DT_UNKNOWN &&              \
2979                       is_directory(scripts_path, lang_dirent))) &&      \
2980                     (strcmp(lang_dirent->d_name, ".")) &&               \
2981                     (strcmp(lang_dirent->d_name, "..")))
2982
2983 #define for_each_script(lang_path, lang_dir, script_dirent)             \
2984         while ((script_dirent = readdir(lang_dir)) != NULL)             \
2985                 if (script_dirent->d_type != DT_DIR &&                  \
2986                     (script_dirent->d_type != DT_UNKNOWN ||             \
2987                      !is_directory(lang_path, script_dirent)))
2988
2989
2990 #define RECORD_SUFFIX                   "-record"
2991 #define REPORT_SUFFIX                   "-report"
2992
2993 struct script_desc {
2994         struct list_head        node;
2995         char                    *name;
2996         char                    *half_liner;
2997         char                    *args;
2998 };
2999
3000 static LIST_HEAD(script_descs);
3001
3002 static struct script_desc *script_desc__new(const char *name)
3003 {
3004         struct script_desc *s = zalloc(sizeof(*s));
3005
3006         if (s != NULL && name)
3007                 s->name = strdup(name);
3008
3009         return s;
3010 }
3011
3012 static void script_desc__delete(struct script_desc *s)
3013 {
3014         zfree(&s->name);
3015         zfree(&s->half_liner);
3016         zfree(&s->args);
3017         free(s);
3018 }
3019
3020 static void script_desc__add(struct script_desc *s)
3021 {
3022         list_add_tail(&s->node, &script_descs);
3023 }
3024
3025 static struct script_desc *script_desc__find(const char *name)
3026 {
3027         struct script_desc *s;
3028
3029         list_for_each_entry(s, &script_descs, node)
3030                 if (strcasecmp(s->name, name) == 0)
3031                         return s;
3032         return NULL;
3033 }
3034
3035 static struct script_desc *script_desc__findnew(const char *name)
3036 {
3037         struct script_desc *s = script_desc__find(name);
3038
3039         if (s)
3040                 return s;
3041
3042         s = script_desc__new(name);
3043         if (!s)
3044                 return NULL;
3045
3046         script_desc__add(s);
3047
3048         return s;
3049 }
3050
3051 static const char *ends_with(const char *str, const char *suffix)
3052 {
3053         size_t suffix_len = strlen(suffix);
3054         const char *p = str;
3055
3056         if (strlen(str) > suffix_len) {
3057                 p = str + strlen(str) - suffix_len;
3058                 if (!strncmp(p, suffix, suffix_len))
3059                         return p;
3060         }
3061
3062         return NULL;
3063 }
3064
3065 static int read_script_info(struct script_desc *desc, const char *filename)
3066 {
3067         char line[BUFSIZ], *p;
3068         FILE *fp;
3069
3070         fp = fopen(filename, "r");
3071         if (!fp)
3072                 return -1;
3073
3074         while (fgets(line, sizeof(line), fp)) {
3075                 p = skip_spaces(line);
3076                 if (strlen(p) == 0)
3077                         continue;
3078                 if (*p != '#')
3079                         continue;
3080                 p++;
3081                 if (strlen(p) && *p == '!')
3082                         continue;
3083
3084                 p = skip_spaces(p);
3085                 if (strlen(p) && p[strlen(p) - 1] == '\n')
3086                         p[strlen(p) - 1] = '\0';
3087
3088                 if (!strncmp(p, "description:", strlen("description:"))) {
3089                         p += strlen("description:");
3090                         desc->half_liner = strdup(skip_spaces(p));
3091                         continue;
3092                 }
3093
3094                 if (!strncmp(p, "args:", strlen("args:"))) {
3095                         p += strlen("args:");
3096                         desc->args = strdup(skip_spaces(p));
3097                         continue;
3098                 }
3099         }
3100
3101         fclose(fp);
3102
3103         return 0;
3104 }
3105
3106 static char *get_script_root(struct dirent *script_dirent, const char *suffix)
3107 {
3108         char *script_root, *str;
3109
3110         script_root = strdup(script_dirent->d_name);
3111         if (!script_root)
3112                 return NULL;
3113
3114         str = (char *)ends_with(script_root, suffix);
3115         if (!str) {
3116                 free(script_root);
3117                 return NULL;
3118         }
3119
3120         *str = '\0';
3121         return script_root;
3122 }
3123
3124 static int list_available_scripts(const struct option *opt __maybe_unused,
3125                                   const char *s __maybe_unused,
3126                                   int unset __maybe_unused)
3127 {
3128         struct dirent *script_dirent, *lang_dirent;
3129         char scripts_path[MAXPATHLEN];
3130         DIR *scripts_dir, *lang_dir;
3131         char script_path[MAXPATHLEN];
3132         char lang_path[MAXPATHLEN];
3133         struct script_desc *desc;
3134         char first_half[BUFSIZ];
3135         char *script_root;
3136
3137         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3138
3139         scripts_dir = opendir(scripts_path);
3140         if (!scripts_dir) {
3141                 fprintf(stdout,
3142                         "open(%s) failed.\n"
3143                         "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
3144                         scripts_path);
3145                 exit(-1);
3146         }
3147
3148         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3149                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3150                           lang_dirent->d_name);
3151                 lang_dir = opendir(lang_path);
3152                 if (!lang_dir)
3153                         continue;
3154
3155                 for_each_script(lang_path, lang_dir, script_dirent) {
3156                         script_root = get_script_root(script_dirent, REPORT_SUFFIX);
3157                         if (script_root) {
3158                                 desc = script_desc__findnew(script_root);
3159                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3160                                           lang_path, script_dirent->d_name);
3161                                 read_script_info(desc, script_path);
3162                                 free(script_root);
3163                         }
3164                 }
3165         }
3166
3167         fprintf(stdout, "List of available trace scripts:\n");
3168         list_for_each_entry(desc, &script_descs, node) {
3169                 sprintf(first_half, "%s %s", desc->name,
3170                         desc->args ? desc->args : "");
3171                 fprintf(stdout, "  %-36s %s\n", first_half,
3172                         desc->half_liner ? desc->half_liner : "");
3173         }
3174
3175         exit(0);
3176 }
3177
3178 /*
3179  * Some scripts specify the required events in their "xxx-record" file,
3180  * this function will check if the events in perf.data match those
3181  * mentioned in the "xxx-record".
3182  *
3183  * Fixme: All existing "xxx-record" are all in good formats "-e event ",
3184  * which is covered well now. And new parsing code should be added to
3185  * cover the future complex formats like event groups etc.
3186  */
3187 static int check_ev_match(char *dir_name, char *scriptname,
3188                         struct perf_session *session)
3189 {
3190         char filename[MAXPATHLEN], evname[128];
3191         char line[BUFSIZ], *p;
3192         struct evsel *pos;
3193         int match, len;
3194         FILE *fp;
3195
3196         scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
3197
3198         fp = fopen(filename, "r");
3199         if (!fp)
3200                 return -1;
3201
3202         while (fgets(line, sizeof(line), fp)) {
3203                 p = skip_spaces(line);
3204                 if (*p == '#')
3205                         continue;
3206
3207                 while (strlen(p)) {
3208                         p = strstr(p, "-e");
3209                         if (!p)
3210                                 break;
3211
3212                         p += 2;
3213                         p = skip_spaces(p);
3214                         len = strcspn(p, " \t");
3215                         if (!len)
3216                                 break;
3217
3218                         snprintf(evname, len + 1, "%s", p);
3219
3220                         match = 0;
3221                         evlist__for_each_entry(session->evlist, pos) {
3222                                 if (!strcmp(evsel__name(pos), evname)) {
3223                                         match = 1;
3224                                         break;
3225                                 }
3226                         }
3227
3228                         if (!match) {
3229                                 fclose(fp);
3230                                 return -1;
3231                         }
3232                 }
3233         }
3234
3235         fclose(fp);
3236         return 0;
3237 }
3238
3239 /*
3240  * Return -1 if none is found, otherwise the actual scripts number.
3241  *
3242  * Currently the only user of this function is the script browser, which
3243  * will list all statically runnable scripts, select one, execute it and
3244  * show the output in a perf browser.
3245  */
3246 int find_scripts(char **scripts_array, char **scripts_path_array, int num,
3247                  int pathlen)
3248 {
3249         struct dirent *script_dirent, *lang_dirent;
3250         char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
3251         DIR *scripts_dir, *lang_dir;
3252         struct perf_session *session;
3253         struct perf_data data = {
3254                 .path = input_name,
3255                 .mode = PERF_DATA_MODE_READ,
3256         };
3257         char *temp;
3258         int i = 0;
3259
3260         session = perf_session__new(&data, false, NULL);
3261         if (IS_ERR(session))
3262                 return PTR_ERR(session);
3263
3264         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3265
3266         scripts_dir = opendir(scripts_path);
3267         if (!scripts_dir) {
3268                 perf_session__delete(session);
3269                 return -1;
3270         }
3271
3272         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3273                 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
3274                           lang_dirent->d_name);
3275 #ifndef HAVE_LIBPERL_SUPPORT
3276                 if (strstr(lang_path, "perl"))
3277                         continue;
3278 #endif
3279 #ifndef HAVE_LIBPYTHON_SUPPORT
3280                 if (strstr(lang_path, "python"))
3281                         continue;
3282 #endif
3283
3284                 lang_dir = opendir(lang_path);
3285                 if (!lang_dir)
3286                         continue;
3287
3288                 for_each_script(lang_path, lang_dir, script_dirent) {
3289                         /* Skip those real time scripts: xxxtop.p[yl] */
3290                         if (strstr(script_dirent->d_name, "top."))
3291                                 continue;
3292                         if (i >= num)
3293                                 break;
3294                         snprintf(scripts_path_array[i], pathlen, "%s/%s",
3295                                 lang_path,
3296                                 script_dirent->d_name);
3297                         temp = strchr(script_dirent->d_name, '.');
3298                         snprintf(scripts_array[i],
3299                                 (temp - script_dirent->d_name) + 1,
3300                                 "%s", script_dirent->d_name);
3301
3302                         if (check_ev_match(lang_path,
3303                                         scripts_array[i], session))
3304                                 continue;
3305
3306                         i++;
3307                 }
3308                 closedir(lang_dir);
3309         }
3310
3311         closedir(scripts_dir);
3312         perf_session__delete(session);
3313         return i;
3314 }
3315
3316 static char *get_script_path(const char *script_root, const char *suffix)
3317 {
3318         struct dirent *script_dirent, *lang_dirent;
3319         char scripts_path[MAXPATHLEN];
3320         char script_path[MAXPATHLEN];
3321         DIR *scripts_dir, *lang_dir;
3322         char lang_path[MAXPATHLEN];
3323         char *__script_root;
3324
3325         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3326
3327         scripts_dir = opendir(scripts_path);
3328         if (!scripts_dir)
3329                 return NULL;
3330
3331         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3332                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3333                           lang_dirent->d_name);
3334                 lang_dir = opendir(lang_path);
3335                 if (!lang_dir)
3336                         continue;
3337
3338                 for_each_script(lang_path, lang_dir, script_dirent) {
3339                         __script_root = get_script_root(script_dirent, suffix);
3340                         if (__script_root && !strcmp(script_root, __script_root)) {
3341                                 free(__script_root);
3342                                 closedir(scripts_dir);
3343                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3344                                           lang_path, script_dirent->d_name);
3345                                 closedir(lang_dir);
3346                                 return strdup(script_path);
3347                         }
3348                         free(__script_root);
3349                 }
3350                 closedir(lang_dir);
3351         }
3352         closedir(scripts_dir);
3353
3354         return NULL;
3355 }
3356
3357 static bool is_top_script(const char *script_path)
3358 {
3359         return ends_with(script_path, "top") != NULL;
3360 }
3361
3362 static int has_required_arg(char *script_path)
3363 {
3364         struct script_desc *desc;
3365         int n_args = 0;
3366         char *p;
3367
3368         desc = script_desc__new(NULL);
3369
3370         if (read_script_info(desc, script_path))
3371                 goto out;
3372
3373         if (!desc->args)
3374                 goto out;
3375
3376         for (p = desc->args; *p; p++)
3377                 if (*p == '<')
3378                         n_args++;
3379 out:
3380         script_desc__delete(desc);
3381
3382         return n_args;
3383 }
3384
3385 static int have_cmd(int argc, const char **argv)
3386 {
3387         char **__argv = malloc(sizeof(const char *) * argc);
3388
3389         if (!__argv) {
3390                 pr_err("malloc failed\n");
3391                 return -1;
3392         }
3393
3394         memcpy(__argv, argv, sizeof(const char *) * argc);
3395         argc = parse_options(argc, (const char **)__argv, record_options,
3396                              NULL, PARSE_OPT_STOP_AT_NON_OPTION);
3397         free(__argv);
3398
3399         system_wide = (argc == 0);
3400
3401         return 0;
3402 }
3403
3404 static void script__setup_sample_type(struct perf_script *script)
3405 {
3406         struct perf_session *session = script->session;
3407         u64 sample_type = evlist__combined_sample_type(session->evlist);
3408
3409         if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
3410                 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
3411                     (sample_type & PERF_SAMPLE_STACK_USER)) {
3412                         callchain_param.record_mode = CALLCHAIN_DWARF;
3413                         dwarf_callchain_users = true;
3414                 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
3415                         callchain_param.record_mode = CALLCHAIN_LBR;
3416                 else
3417                         callchain_param.record_mode = CALLCHAIN_FP;
3418         }
3419
3420         if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) {
3421                 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
3422                            "Please apply --call-graph lbr when recording.\n");
3423                 script->stitch_lbr = false;
3424         }
3425 }
3426
3427 static int process_stat_round_event(struct perf_session *session,
3428                                     union perf_event *event)
3429 {
3430         struct perf_record_stat_round *round = &event->stat_round;
3431         struct evsel *counter;
3432
3433         evlist__for_each_entry(session->evlist, counter) {
3434                 perf_stat_process_counter(&stat_config, counter);
3435                 process_stat(counter, round->time);
3436         }
3437
3438         process_stat_interval(round->time);
3439         return 0;
3440 }
3441
3442 static int process_stat_config_event(struct perf_session *session __maybe_unused,
3443                                      union perf_event *event)
3444 {
3445         perf_event__read_stat_config(&stat_config, &event->stat_config);
3446         return 0;
3447 }
3448
3449 static int set_maps(struct perf_script *script)
3450 {
3451         struct evlist *evlist = script->session->evlist;
3452
3453         if (!script->cpus || !script->threads)
3454                 return 0;
3455
3456         if (WARN_ONCE(script->allocated, "stats double allocation\n"))
3457                 return -EINVAL;
3458
3459         perf_evlist__set_maps(&evlist->core, script->cpus, script->threads);
3460
3461         if (evlist__alloc_stats(evlist, true))
3462                 return -ENOMEM;
3463
3464         script->allocated = true;
3465         return 0;
3466 }
3467
3468 static
3469 int process_thread_map_event(struct perf_session *session,
3470                              union perf_event *event)
3471 {
3472         struct perf_tool *tool = session->tool;
3473         struct perf_script *script = container_of(tool, struct perf_script, tool);
3474
3475         if (script->threads) {
3476                 pr_warning("Extra thread map event, ignoring.\n");
3477                 return 0;
3478         }
3479
3480         script->threads = thread_map__new_event(&event->thread_map);
3481         if (!script->threads)
3482                 return -ENOMEM;
3483
3484         return set_maps(script);
3485 }
3486
3487 static
3488 int process_cpu_map_event(struct perf_session *session,
3489                           union perf_event *event)
3490 {
3491         struct perf_tool *tool = session->tool;
3492         struct perf_script *script = container_of(tool, struct perf_script, tool);
3493
3494         if (script->cpus) {
3495                 pr_warning("Extra cpu map event, ignoring.\n");
3496                 return 0;
3497         }
3498
3499         script->cpus = cpu_map__new_data(&event->cpu_map.data);
3500         if (!script->cpus)
3501                 return -ENOMEM;
3502
3503         return set_maps(script);
3504 }
3505
3506 static int process_feature_event(struct perf_session *session,
3507                                  union perf_event *event)
3508 {
3509         if (event->feat.feat_id < HEADER_LAST_FEATURE)
3510                 return perf_event__process_feature(session, event);
3511         return 0;
3512 }
3513
3514 #ifdef HAVE_AUXTRACE_SUPPORT
3515 static int perf_script__process_auxtrace_info(struct perf_session *session,
3516                                               union perf_event *event)
3517 {
3518         struct perf_tool *tool = session->tool;
3519
3520         int ret = perf_event__process_auxtrace_info(session, event);
3521
3522         if (ret == 0) {
3523                 struct perf_script *script = container_of(tool, struct perf_script, tool);
3524
3525                 ret = perf_script__setup_per_event_dump(script);
3526         }
3527
3528         return ret;
3529 }
3530 #else
3531 #define perf_script__process_auxtrace_info 0
3532 #endif
3533
3534 static int parse_insn_trace(const struct option *opt __maybe_unused,
3535                             const char *str __maybe_unused,
3536                             int unset __maybe_unused)
3537 {
3538         parse_output_fields(NULL, "+insn,-event,-period", 0);
3539         itrace_parse_synth_opts(opt, "i0ns", 0);
3540         symbol_conf.nanosecs = true;
3541         return 0;
3542 }
3543
3544 static int parse_xed(const struct option *opt __maybe_unused,
3545                      const char *str __maybe_unused,
3546                      int unset __maybe_unused)
3547 {
3548         if (isatty(1))
3549                 force_pager("xed -F insn: -A -64 | less");
3550         else
3551                 force_pager("xed -F insn: -A -64");
3552         return 0;
3553 }
3554
3555 static int parse_call_trace(const struct option *opt __maybe_unused,
3556                             const char *str __maybe_unused,
3557                             int unset __maybe_unused)
3558 {
3559         parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
3560         itrace_parse_synth_opts(opt, "cewp", 0);
3561         symbol_conf.nanosecs = true;
3562         symbol_conf.pad_output_len_dso = 50;
3563         return 0;
3564 }
3565
3566 static int parse_callret_trace(const struct option *opt __maybe_unused,
3567                             const char *str __maybe_unused,
3568                             int unset __maybe_unused)
3569 {
3570         parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
3571         itrace_parse_synth_opts(opt, "crewp", 0);
3572         symbol_conf.nanosecs = true;
3573         return 0;
3574 }
3575
3576 int cmd_script(int argc, const char **argv)
3577 {
3578         bool show_full_info = false;
3579         bool header = false;
3580         bool header_only = false;
3581         bool script_started = false;
3582         char *rec_script_path = NULL;
3583         char *rep_script_path = NULL;
3584         struct perf_session *session;
3585         struct itrace_synth_opts itrace_synth_opts = {
3586                 .set = false,
3587                 .default_no_sample = true,
3588         };
3589         struct utsname uts;
3590         char *script_path = NULL;
3591         const char *dlfilter_file = NULL;
3592         const char **__argv;
3593         int i, j, err = 0;
3594         struct perf_script script = {
3595                 .tool = {
3596                         .sample          = process_sample_event,
3597                         .mmap            = perf_event__process_mmap,
3598                         .mmap2           = perf_event__process_mmap2,
3599                         .comm            = perf_event__process_comm,
3600                         .namespaces      = perf_event__process_namespaces,
3601                         .cgroup          = perf_event__process_cgroup,
3602                         .exit            = perf_event__process_exit,
3603                         .fork            = perf_event__process_fork,
3604                         .attr            = process_attr,
3605                         .event_update   = perf_event__process_event_update,
3606                         .tracing_data    = perf_event__process_tracing_data,
3607                         .feature         = process_feature_event,
3608                         .build_id        = perf_event__process_build_id,
3609                         .id_index        = perf_event__process_id_index,
3610                         .auxtrace_info   = perf_script__process_auxtrace_info,
3611                         .auxtrace        = perf_event__process_auxtrace,
3612                         .auxtrace_error  = perf_event__process_auxtrace_error,
3613                         .stat            = perf_event__process_stat_event,
3614                         .stat_round      = process_stat_round_event,
3615                         .stat_config     = process_stat_config_event,
3616                         .thread_map      = process_thread_map_event,
3617                         .cpu_map         = process_cpu_map_event,
3618                         .ordered_events  = true,
3619                         .ordering_requires_timestamps = true,
3620                 },
3621         };
3622         struct perf_data data = {
3623                 .mode = PERF_DATA_MODE_READ,
3624         };
3625         const struct option options[] = {
3626         OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3627                     "dump raw trace in ASCII"),
3628         OPT_INCR('v', "verbose", &verbose,
3629                  "be more verbose (show symbol address, etc)"),
3630         OPT_BOOLEAN('L', "Latency", &latency_format,
3631                     "show latency attributes (irqs/preemption disabled, etc)"),
3632         OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3633                            list_available_scripts),
3634         OPT_CALLBACK('s', "script", NULL, "name",
3635                      "script file name (lang:script name, script name, or *)",
3636                      parse_scriptname),
3637         OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3638                    "generate perf-script.xx script in specified language"),
3639         OPT_STRING(0, "dlfilter", &dlfilter_file, "file", "filter .so file name"),
3640         OPT_STRING('i', "input", &input_name, "file", "input file name"),
3641         OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3642                    "do various checks like samples ordering and lost events"),
3643         OPT_BOOLEAN(0, "header", &header, "Show data header."),
3644         OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3645         OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3646                    "file", "vmlinux pathname"),
3647         OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3648                    "file", "kallsyms pathname"),
3649         OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3650                     "When printing symbols do not display call chain"),
3651         OPT_CALLBACK(0, "symfs", NULL, "directory",
3652                      "Look for files with symbols relative to this directory",
3653                      symbol__config_symfs),
3654         OPT_CALLBACK('F', "fields", NULL, "str",
3655                      "comma separated output fields prepend with 'type:'. "
3656                      "+field to add and -field to remove."
3657                      "Valid types: hw,sw,trace,raw,synth. "
3658                      "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
3659                      "addr,symoff,srcline,period,iregs,uregs,brstack,"
3660                      "brstacksym,flags,bpf-output,brstackinsn,brstackoff,"
3661                      "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc,tod,"
3662                      "data_page_size,code_page_size",
3663                      parse_output_fields),
3664         OPT_BOOLEAN('a', "all-cpus", &system_wide,
3665                     "system-wide collection from all CPUs"),
3666         OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
3667                    "only consider symbols in these DSOs"),
3668         OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3669                    "only consider these symbols"),
3670         OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range,
3671                     "Use with -S to list traced records within address range"),
3672         OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL,
3673                         "Decode instructions from itrace", parse_insn_trace),
3674         OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
3675                         "Run xed disassembler on output", parse_xed),
3676         OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
3677                         "Decode calls from from itrace", parse_call_trace),
3678         OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
3679                         "Decode calls and returns from itrace", parse_callret_trace),
3680         OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",
3681                         "Only print symbols and callees with --call-trace/--call-ret-trace"),
3682         OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3683                    "Stop display of callgraph at these symbols"),
3684         OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3685         OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3686                    "only display events for these comms"),
3687         OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3688                    "only consider symbols in these pids"),
3689         OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3690                    "only consider symbols in these tids"),
3691         OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3692                      "Set the maximum stack depth when parsing the callchain, "
3693                      "anything beyond the specified depth will be ignored. "
3694                      "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3695         OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"),
3696         OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"),
3697         OPT_BOOLEAN('I', "show-info", &show_full_info,
3698                     "display extended information from perf.data file"),
3699         OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3700                     "Show the path of [kernel.kallsyms]"),
3701         OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3702                     "Show the fork/comm/exit events"),
3703         OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3704                     "Show the mmap events"),
3705         OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3706                     "Show context switch events (if recorded)"),
3707         OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3708                     "Show namespace events (if recorded)"),
3709         OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events,
3710                     "Show cgroup events (if recorded)"),
3711         OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3712                     "Show lost events (if recorded)"),
3713         OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3714                     "Show round events (if recorded)"),
3715         OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events,
3716                     "Show bpf related events (if recorded)"),
3717         OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events,
3718                     "Show text poke related events (if recorded)"),
3719         OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
3720                     "Dump trace output to files named by the monitored events"),
3721         OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3722         OPT_INTEGER(0, "max-blocks", &max_blocks,
3723                     "Maximum number of code blocks to dump with brstackinsn"),
3724         OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs,
3725                     "Use 9 decimal places when displaying time"),
3726         OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
3727                             "Instruction Tracing options\n" ITRACE_HELP,
3728                             itrace_parse_synth_opts),
3729         OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
3730                         "Show full source file name path for source lines"),
3731         OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
3732                         "Enable symbol demangling"),
3733         OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
3734                         "Enable kernel symbol demangling"),
3735         OPT_STRING(0, "time", &script.time_str, "str",
3736                    "Time span of interest (start,stop)"),
3737         OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
3738                     "Show inline function"),
3739         OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
3740                    "guest mount directory under which every guest os"
3741                    " instance has a subdir"),
3742         OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name,
3743                    "file", "file saving guest os vmlinux"),
3744         OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms,
3745                    "file", "file saving guest os /proc/kallsyms"),
3746         OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
3747                    "file", "file saving guest os /proc/modules"),
3748         OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr,
3749                     "Enable LBR callgraph stitching approach"),
3750         OPTS_EVSWITCH(&script.evswitch),
3751         OPT_END()
3752         };
3753         const char * const script_subcommands[] = { "record", "report", NULL };
3754         const char *script_usage[] = {
3755                 "perf script [<options>]",
3756                 "perf script [<options>] record <script> [<record-options>] <command>",
3757                 "perf script [<options>] report <script> [script-args]",
3758                 "perf script [<options>] <script> [<record-options>] <command>",
3759                 "perf script [<options>] <top-script> [script-args]",
3760                 NULL
3761         };
3762
3763         perf_set_singlethreaded();
3764
3765         setup_scripting();
3766
3767         argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3768                              PARSE_OPT_STOP_AT_NON_OPTION);
3769
3770         if (symbol_conf.guestmount ||
3771             symbol_conf.default_guest_vmlinux_name ||
3772             symbol_conf.default_guest_kallsyms ||
3773             symbol_conf.default_guest_modules) {
3774                 /*
3775                  * Enable guest sample processing.
3776                  */
3777                 perf_guest = true;
3778         }
3779
3780         data.path  = input_name;
3781         data.force = symbol_conf.force;
3782
3783         if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
3784                 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
3785                 if (!rec_script_path)
3786                         return cmd_record(argc, argv);
3787         }
3788
3789         if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
3790                 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
3791                 if (!rep_script_path) {
3792                         fprintf(stderr,
3793                                 "Please specify a valid report script"
3794                                 "(see 'perf script -l' for listing)\n");
3795                         return -1;
3796                 }
3797         }
3798
3799         if (reltime && deltatime) {
3800                 fprintf(stderr,
3801                         "reltime and deltatime - the two don't get along well. "
3802                         "Please limit to --reltime or --deltatime.\n");
3803                 return -1;
3804         }
3805
3806         if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) &&
3807             itrace_synth_opts.callchain_sz > scripting_max_stack)
3808                 scripting_max_stack = itrace_synth_opts.callchain_sz;
3809
3810         /* make sure PERF_EXEC_PATH is set for scripts */
3811         set_argv_exec_path(get_argv_exec_path());
3812
3813         if (argc && !script_name && !rec_script_path && !rep_script_path) {
3814                 int live_pipe[2];
3815                 int rep_args;
3816                 pid_t pid;
3817
3818                 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
3819                 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
3820
3821                 if (!rec_script_path && !rep_script_path) {
3822                         script_name = find_script(argv[0]);
3823                         if (script_name) {
3824                                 argc -= 1;
3825                                 argv += 1;
3826                                 goto script_found;
3827                         }
3828                         usage_with_options_msg(script_usage, options,
3829                                 "Couldn't find script `%s'\n\n See perf"
3830                                 " script -l for available scripts.\n", argv[0]);
3831                 }
3832
3833                 if (is_top_script(argv[0])) {
3834                         rep_args = argc - 1;
3835                 } else {
3836                         int rec_args;
3837
3838                         rep_args = has_required_arg(rep_script_path);
3839                         rec_args = (argc - 1) - rep_args;
3840                         if (rec_args < 0) {
3841                                 usage_with_options_msg(script_usage, options,
3842                                         "`%s' script requires options."
3843                                         "\n\n See perf script -l for available "
3844                                         "scripts and options.\n", argv[0]);
3845                         }
3846                 }
3847
3848                 if (pipe(live_pipe) < 0) {
3849                         perror("failed to create pipe");
3850                         return -1;
3851                 }
3852
3853                 pid = fork();
3854                 if (pid < 0) {
3855                         perror("failed to fork");
3856                         return -1;
3857                 }
3858
3859                 if (!pid) {
3860                         j = 0;
3861
3862                         dup2(live_pipe[1], 1);
3863                         close(live_pipe[0]);
3864
3865                         if (is_top_script(argv[0])) {
3866                                 system_wide = true;
3867                         } else if (!system_wide) {
3868                                 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
3869                                         err = -1;
3870                                         goto out;
3871                                 }
3872                         }
3873
3874                         __argv = malloc((argc + 6) * sizeof(const char *));
3875                         if (!__argv) {
3876                                 pr_err("malloc failed\n");
3877                                 err = -ENOMEM;
3878                                 goto out;
3879                         }
3880
3881                         __argv[j++] = "/bin/sh";
3882                         __argv[j++] = rec_script_path;
3883                         if (system_wide)
3884                                 __argv[j++] = "-a";
3885                         __argv[j++] = "-q";
3886                         __argv[j++] = "-o";
3887                         __argv[j++] = "-";
3888                         for (i = rep_args + 1; i < argc; i++)
3889                                 __argv[j++] = argv[i];
3890                         __argv[j++] = NULL;
3891
3892                         execvp("/bin/sh", (char **)__argv);
3893                         free(__argv);
3894                         exit(-1);
3895                 }
3896
3897                 dup2(live_pipe[0], 0);
3898                 close(live_pipe[1]);
3899
3900                 __argv = malloc((argc + 4) * sizeof(const char *));
3901                 if (!__argv) {
3902                         pr_err("malloc failed\n");
3903                         err = -ENOMEM;
3904                         goto out;
3905                 }
3906
3907                 j = 0;
3908                 __argv[j++] = "/bin/sh";
3909                 __argv[j++] = rep_script_path;
3910                 for (i = 1; i < rep_args + 1; i++)
3911                         __argv[j++] = argv[i];
3912                 __argv[j++] = "-i";
3913                 __argv[j++] = "-";
3914                 __argv[j++] = NULL;
3915
3916                 execvp("/bin/sh", (char **)__argv);
3917                 free(__argv);
3918                 exit(-1);
3919         }
3920 script_found:
3921         if (rec_script_path)
3922                 script_path = rec_script_path;
3923         if (rep_script_path)
3924                 script_path = rep_script_path;
3925
3926         if (script_path) {
3927                 j = 0;
3928
3929                 if (!rec_script_path)
3930                         system_wide = false;
3931                 else if (!system_wide) {
3932                         if (have_cmd(argc - 1, &argv[1]) != 0) {
3933                                 err = -1;
3934                                 goto out;
3935                         }
3936                 }
3937
3938                 __argv = malloc((argc + 2) * sizeof(const char *));
3939                 if (!__argv) {
3940                         pr_err("malloc failed\n");
3941                         err = -ENOMEM;
3942                         goto out;
3943                 }
3944
3945                 __argv[j++] = "/bin/sh";
3946                 __argv[j++] = script_path;
3947                 if (system_wide)
3948                         __argv[j++] = "-a";
3949                 for (i = 2; i < argc; i++)
3950                         __argv[j++] = argv[i];
3951                 __argv[j++] = NULL;
3952
3953                 execvp("/bin/sh", (char **)__argv);
3954                 free(__argv);
3955                 exit(-1);
3956         }
3957
3958         if (dlfilter_file) {
3959                 dlfilter = dlfilter__new(dlfilter_file);
3960                 if (!dlfilter)
3961                         return -1;
3962         }
3963
3964         if (!script_name) {
3965                 setup_pager();
3966                 use_browser = 0;
3967         }
3968
3969         session = perf_session__new(&data, false, &script.tool);
3970         if (IS_ERR(session))
3971                 return PTR_ERR(session);
3972
3973         if (header || header_only) {
3974                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
3975                 perf_session__fprintf_info(session, stdout, show_full_info);
3976                 if (header_only)
3977                         goto out_delete;
3978         }
3979         if (show_full_info)
3980                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
3981
3982         if (symbol__init(&session->header.env) < 0)
3983                 goto out_delete;
3984
3985         uname(&uts);
3986         if (data.is_pipe ||  /* assume pipe_mode indicates native_arch */
3987             !strcmp(uts.machine, session->header.env.arch) ||
3988             (!strcmp(uts.machine, "x86_64") &&
3989              !strcmp(session->header.env.arch, "i386")))
3990                 native_arch = true;
3991
3992         script.session = session;
3993         script__setup_sample_type(&script);
3994
3995         if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) ||
3996             symbol_conf.graph_function)
3997                 itrace_synth_opts.thread_stack = true;
3998
3999         session->itrace_synth_opts = &itrace_synth_opts;
4000
4001         if (cpu_list) {
4002                 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
4003                 if (err < 0)
4004                         goto out_delete;
4005                 itrace_synth_opts.cpu_bitmap = cpu_bitmap;
4006         }
4007
4008         if (!no_callchain)
4009                 symbol_conf.use_callchain = true;
4010         else
4011                 symbol_conf.use_callchain = false;
4012
4013         if (session->tevent.pevent &&
4014             tep_set_function_resolver(session->tevent.pevent,
4015                                       machine__resolve_kernel_addr,
4016                                       &session->machines.host) < 0) {
4017                 pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
4018                 err = -1;
4019                 goto out_delete;
4020         }
4021
4022         if (generate_script_lang) {
4023                 struct stat perf_stat;
4024                 int input;
4025
4026                 if (output_set_by_user()) {
4027                         fprintf(stderr,
4028                                 "custom fields not supported for generated scripts");
4029                         err = -EINVAL;
4030                         goto out_delete;
4031                 }
4032
4033                 input = open(data.path, O_RDONLY);      /* input_name */
4034                 if (input < 0) {
4035                         err = -errno;
4036                         perror("failed to open file");
4037                         goto out_delete;
4038                 }
4039
4040                 err = fstat(input, &perf_stat);
4041                 if (err < 0) {
4042                         perror("failed to stat file");
4043                         goto out_delete;
4044                 }
4045
4046                 if (!perf_stat.st_size) {
4047                         fprintf(stderr, "zero-sized file, nothing to do!\n");
4048                         goto out_delete;
4049                 }
4050
4051                 scripting_ops = script_spec__lookup(generate_script_lang);
4052                 if (!scripting_ops) {
4053                         fprintf(stderr, "invalid language specifier");
4054                         err = -ENOENT;
4055                         goto out_delete;
4056                 }
4057
4058                 err = scripting_ops->generate_script(session->tevent.pevent,
4059                                                      "perf-script");
4060                 goto out_delete;
4061         }
4062
4063         err = dlfilter__start(dlfilter, session);
4064         if (err)
4065                 goto out_delete;
4066
4067         if (script_name) {
4068                 err = scripting_ops->start_script(script_name, argc, argv, session);
4069                 if (err)
4070                         goto out_delete;
4071                 pr_debug("perf script started with script %s\n\n", script_name);
4072                 script_started = true;
4073         }
4074
4075
4076         err = perf_session__check_output_opt(session);
4077         if (err < 0)
4078                 goto out_delete;
4079
4080         if (script.time_str) {
4081                 err = perf_time__parse_for_ranges_reltime(script.time_str, session,
4082                                                   &script.ptime_range,
4083                                                   &script.range_size,
4084                                                   &script.range_num,
4085                                                   reltime);
4086                 if (err < 0)
4087                         goto out_delete;
4088
4089                 itrace_synth_opts__set_time_range(&itrace_synth_opts,
4090                                                   script.ptime_range,
4091                                                   script.range_num);
4092         }
4093
4094         err = evswitch__init(&script.evswitch, session->evlist, stderr);
4095         if (err)
4096                 goto out_delete;
4097
4098         if (zstd_init(&(session->zstd_data), 0) < 0)
4099                 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n");
4100
4101         err = __cmd_script(&script);
4102
4103         flush_scripting();
4104
4105 out_delete:
4106         if (script.ptime_range) {
4107                 itrace_synth_opts__clear_time_range(&itrace_synth_opts);
4108                 zfree(&script.ptime_range);
4109         }
4110
4111         evlist__free_stats(session->evlist);
4112         perf_session__delete(session);
4113
4114         if (script_started)
4115                 cleanup_scripting();
4116         dlfilter__cleanup(dlfilter);
4117 out:
4118         return err;
4119 }