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 static int                      dlargc;
  85 static char                     **dlargv;
  86
  87 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
  88
  89 enum perf_output_field {
  90         PERF_OUTPUT_COMM            = 1ULL << 0,
  91         PERF_OUTPUT_TID             = 1ULL << 1,
  92         PERF_OUTPUT_PID             = 1ULL << 2,
  93         PERF_OUTPUT_TIME            = 1ULL << 3,
  94         PERF_OUTPUT_CPU             = 1ULL << 4,
  95         PERF_OUTPUT_EVNAME          = 1ULL << 5,
  96         PERF_OUTPUT_TRACE           = 1ULL << 6,
  97         PERF_OUTPUT_IP              = 1ULL << 7,
  98         PERF_OUTPUT_SYM             = 1ULL << 8,
  99         PERF_OUTPUT_DSO             = 1ULL << 9,
 100         PERF_OUTPUT_ADDR            = 1ULL << 10,
 101         PERF_OUTPUT_SYMOFFSET       = 1ULL << 11,
 102         PERF_OUTPUT_SRCLINE         = 1ULL << 12,
 103         PERF_OUTPUT_PERIOD          = 1ULL << 13,
 104         PERF_OUTPUT_IREGS           = 1ULL << 14,
 105         PERF_OUTPUT_BRSTACK         = 1ULL << 15,
 106         PERF_OUTPUT_BRSTACKSYM      = 1ULL << 16,
 107         PERF_OUTPUT_DATA_SRC        = 1ULL << 17,
 108         PERF_OUTPUT_WEIGHT          = 1ULL << 18,
 109         PERF_OUTPUT_BPF_OUTPUT      = 1ULL << 19,
 110         PERF_OUTPUT_CALLINDENT      = 1ULL << 20,
 111         PERF_OUTPUT_INSN            = 1ULL << 21,
 112         PERF_OUTPUT_INSNLEN         = 1ULL << 22,
 113         PERF_OUTPUT_BRSTACKINSN     = 1ULL << 23,
 114         PERF_OUTPUT_BRSTACKOFF      = 1ULL << 24,
 115         PERF_OUTPUT_SYNTH           = 1ULL << 25,
 116         PERF_OUTPUT_PHYS_ADDR       = 1ULL << 26,
 117         PERF_OUTPUT_UREGS           = 1ULL << 27,
 118         PERF_OUTPUT_METRIC          = 1ULL << 28,
 119         PERF_OUTPUT_MISC            = 1ULL << 29,
 120         PERF_OUTPUT_SRCCODE         = 1ULL << 30,
 121         PERF_OUTPUT_IPC             = 1ULL << 31,
 122         PERF_OUTPUT_TOD             = 1ULL << 32,
 123         PERF_OUTPUT_DATA_PAGE_SIZE  = 1ULL << 33,
 124         PERF_OUTPUT_CODE_PAGE_SIZE  = 1ULL << 34,
 125 };
 126
 127 struct perf_script {
 128         struct perf_tool        tool;
 129         struct perf_session     *session;
 130         bool                    show_task_events;
 131         bool                    show_mmap_events;
 132         bool                    show_switch_events;
 133         bool                    show_namespace_events;
 134         bool                    show_lost_events;
 135         bool                    show_round_events;
 136         bool                    show_bpf_events;
 137         bool                    show_cgroup_events;
 138         bool                    show_text_poke_events;
 139         bool                    allocated;
 140         bool                    per_event_dump;
 141         bool                    stitch_lbr;
 142         struct evswitch         evswitch;
 143         struct perf_cpu_map     *cpus;
 144         struct perf_thread_map *threads;
 145         int                     name_width;
 146         const char              *time_str;
 147         struct perf_time_interval *ptime_range;
 148         int                     range_size;
 149         int                     range_num;
 150 };
 151
 152 struct output_option {
 153         const char *str;
 154         enum perf_output_field field;
 155 } all_output_options[] = {
 156         {.str = "comm",  .field = PERF_OUTPUT_COMM},
 157         {.str = "tid",   .field = PERF_OUTPUT_TID},
 158         {.str = "pid",   .field = PERF_OUTPUT_PID},
 159         {.str = "time",  .field = PERF_OUTPUT_TIME},
 160         {.str = "cpu",   .field = PERF_OUTPUT_CPU},
 161         {.str = "event", .field = PERF_OUTPUT_EVNAME},
 162         {.str = "trace", .field = PERF_OUTPUT_TRACE},
 163         {.str = "ip",    .field = PERF_OUTPUT_IP},
 164         {.str = "sym",   .field = PERF_OUTPUT_SYM},
 165         {.str = "dso",   .field = PERF_OUTPUT_DSO},
 166         {.str = "addr",  .field = PERF_OUTPUT_ADDR},
 167         {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
 168         {.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
 169         {.str = "period", .field = PERF_OUTPUT_PERIOD},
 170         {.str = "iregs", .field = PERF_OUTPUT_IREGS},
 171         {.str = "uregs", .field = PERF_OUTPUT_UREGS},
 172         {.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
 173         {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
 174         {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
 175         {.str = "weight",   .field = PERF_OUTPUT_WEIGHT},
 176         {.str = "bpf-output",   .field = PERF_OUTPUT_BPF_OUTPUT},
 177         {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
 178         {.str = "insn", .field = PERF_OUTPUT_INSN},
 179         {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
 180         {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
 181         {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
 182         {.str = "synth", .field = PERF_OUTPUT_SYNTH},
 183         {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
 184         {.str = "metric", .field = PERF_OUTPUT_METRIC},
 185         {.str = "misc", .field = PERF_OUTPUT_MISC},
 186         {.str = "srccode", .field = PERF_OUTPUT_SRCCODE},
 187         {.str = "ipc", .field = PERF_OUTPUT_IPC},
 188         {.str = "tod", .field = PERF_OUTPUT_TOD},
 189         {.str = "data_page_size", .field = PERF_OUTPUT_DATA_PAGE_SIZE},
 190         {.str = "code_page_size", .field = PERF_OUTPUT_CODE_PAGE_SIZE},
 191 };
 192
 193 enum {
 194         OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
 195         OUTPUT_TYPE_OTHER,
 196         OUTPUT_TYPE_MAX
 197 };
 198
 199 /* default set to maintain compatibility with current format */
 200 static struct {
 201         bool user_set;
 202         bool wildcard_set;
 203         unsigned int print_ip_opts;
 204         u64 fields;
 205         u64 invalid_fields;
 206         u64 user_set_fields;
 207         u64 user_unset_fields;
 208 } output[OUTPUT_TYPE_MAX] = {
 209
 210         [PERF_TYPE_HARDWARE] = {
 211                 .user_set = false,
 212
 213                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 214                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 215                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 216                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 217                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 218
 219                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 220         },
 221
 222         [PERF_TYPE_SOFTWARE] = {
 223                 .user_set = false,
 224
 225                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 226                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 227                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 228                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 229                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
 230                               PERF_OUTPUT_BPF_OUTPUT,
 231
 232                 .invalid_fields = PERF_OUTPUT_TRACE,
 233         },
 234
 235         [PERF_TYPE_TRACEPOINT] = {
 236                 .user_set = false,
 237
 238                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 239                                   PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 240                                   PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
 241         },
 242
 243         [PERF_TYPE_HW_CACHE] = {
 244                 .user_set = false,
 245
 246                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 247                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 248                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 249                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 250                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 251
 252                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 253         },
 254
 255         [PERF_TYPE_RAW] = {
 256                 .user_set = false,
 257
 258                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 259                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 260                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 261                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 262                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
 263                               PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
 264                               PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR |
 265                               PERF_OUTPUT_DATA_PAGE_SIZE | PERF_OUTPUT_CODE_PAGE_SIZE,
 266
 267                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 268         },
 269
 270         [PERF_TYPE_BREAKPOINT] = {
 271                 .user_set = false,
 272
 273                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 274                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 275                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 276                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 277                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 278
 279                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 280         },
 281
 282         [OUTPUT_TYPE_SYNTH] = {
 283                 .user_set = false,
 284
 285                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 286                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 287                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 288                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 289                               PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH,
 290
 291                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 292         },
 293
 294         [OUTPUT_TYPE_OTHER] = {
 295                 .user_set = false,
 296
 297                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 298                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 299                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 300                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 301                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 302
 303                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 304         },
 305 };
 306
 307 struct evsel_script {
 308        char *filename;
 309        FILE *fp;
 310        u64  samples;
 311        /* For metric output */
 312        u64  val;
 313        int  gnum;
 314 };
 315
 316 static inline struct evsel_script *evsel_script(struct evsel *evsel)
 317 {
 318         return (struct evsel_script *)evsel->priv;
 319 }
 320
 321 static struct evsel_script *evsel_script__new(struct evsel *evsel, struct perf_data *data)
 322 {
 323         struct evsel_script *es = zalloc(sizeof(*es));
 324
 325         if (es != NULL) {
 326                 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0)
 327                         goto out_free;
 328                 es->fp = fopen(es->filename, "w");
 329                 if (es->fp == NULL)
 330                         goto out_free_filename;
 331         }
 332
 333         return es;
 334 out_free_filename:
 335         zfree(&es->filename);
 336 out_free:
 337         free(es);
 338         return NULL;
 339 }
 340
 341 static void evsel_script__delete(struct evsel_script *es)
 342 {
 343         zfree(&es->filename);
 344         fclose(es->fp);
 345         es->fp = NULL;
 346         free(es);
 347 }
 348
 349 static int evsel_script__fprintf(struct evsel_script *es, FILE *fp)
 350 {
 351         struct stat st;
 352
 353         fstat(fileno(es->fp), &st);
 354         return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
 355                        st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
 356 }
 357
 358 static inline int output_type(unsigned int type)
 359 {
 360         switch (type) {
 361         case PERF_TYPE_SYNTH:
 362                 return OUTPUT_TYPE_SYNTH;
 363         default:
 364                 if (type < PERF_TYPE_MAX)
 365                         return type;
 366         }
 367
 368         return OUTPUT_TYPE_OTHER;
 369 }
 370
 371 static bool output_set_by_user(void)
 372 {
 373         int j;
 374         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 375                 if (output[j].user_set)
 376                         return true;
 377         }
 378         return false;
 379 }
 380
 381 static const char *output_field2str(enum perf_output_field field)
 382 {
 383         int i, imax = ARRAY_SIZE(all_output_options);
 384         const char *str = "";
 385
 386         for (i = 0; i < imax; ++i) {
 387                 if (all_output_options[i].field == field) {
 388                         str = all_output_options[i].str;
 389                         break;
 390                 }
 391         }
 392         return str;
 393 }
 394
 395 #define PRINT_FIELD(x)  (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
 396
 397 static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
 398                                  enum perf_output_field field, bool allow_user_set)
 399 {
 400         struct perf_event_attr *attr = &evsel->core.attr;
 401         int type = output_type(attr->type);
 402         const char *evname;
 403
 404         if (attr->sample_type & sample_type)
 405                 return 0;
 406
 407         if (output[type].user_set_fields & field) {
 408                 if (allow_user_set)
 409                         return 0;
 410                 evname = evsel__name(evsel);
 411                 pr_err("Samples for '%s' event do not have %s attribute set. "
 412                        "Cannot print '%s' field.\n",
 413                        evname, sample_msg, output_field2str(field));
 414                 return -1;
 415         }
 416
 417         /* user did not ask for it explicitly so remove from the default list */
 418         output[type].fields &= ~field;
 419         evname = evsel__name(evsel);
 420         pr_debug("Samples for '%s' event do not have %s attribute set. "
 421                  "Skipping '%s' field.\n",
 422                  evname, sample_msg, output_field2str(field));
 423
 424         return 0;
 425 }
 426
 427 static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
 428                               enum perf_output_field field)
 429 {
 430         return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false);
 431 }
 432
 433 static int evsel__check_attr(struct evsel *evsel, struct perf_session *session)
 434 {
 435         struct perf_event_attr *attr = &evsel->core.attr;
 436         bool allow_user_set;
 437
 438         if (perf_header__has_feat(&session->header, HEADER_STAT))
 439                 return 0;
 440
 441         allow_user_set = perf_header__has_feat(&session->header,
 442                                                HEADER_AUXTRACE);
 443
 444         if (PRINT_FIELD(TRACE) &&
 445             !perf_session__has_traces(session, "record -R"))
 446                 return -EINVAL;
 447
 448         if (PRINT_FIELD(IP)) {
 449                 if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP))
 450                         return -EINVAL;
 451         }
 452
 453         if (PRINT_FIELD(ADDR) &&
 454             evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set))
 455                 return -EINVAL;
 456
 457         if (PRINT_FIELD(DATA_SRC) &&
 458             evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC))
 459                 return -EINVAL;
 460
 461         if (PRINT_FIELD(WEIGHT) &&
 462             evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_TYPE, "WEIGHT", PERF_OUTPUT_WEIGHT))
 463                 return -EINVAL;
 464
 465         if (PRINT_FIELD(SYM) &&
 466             !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
 467                 pr_err("Display of symbols requested but neither sample IP nor "
 468                            "sample address\navailable. Hence, no addresses to convert "
 469                        "to symbols.\n");
 470                 return -EINVAL;
 471         }
 472         if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
 473                 pr_err("Display of offsets requested but symbol is not"
 474                        "selected.\n");
 475                 return -EINVAL;
 476         }
 477         if (PRINT_FIELD(DSO) &&
 478             !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
 479                 pr_err("Display of DSO requested but no address to convert.\n");
 480                 return -EINVAL;
 481         }
 482         if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) {
 483                 pr_err("Display of source line number requested but sample IP is not\n"
 484                        "selected. Hence, no address to lookup the source line number.\n");
 485                 return -EINVAL;
 486         }
 487         if (PRINT_FIELD(BRSTACKINSN) && !allow_user_set &&
 488             !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) {
 489                 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
 490                        "Hint: run 'perf record -b ...'\n");
 491                 return -EINVAL;
 492         }
 493         if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
 494             evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID))
 495                 return -EINVAL;
 496
 497         if (PRINT_FIELD(TIME) &&
 498             evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME))
 499                 return -EINVAL;
 500
 501         if (PRINT_FIELD(CPU) &&
 502             evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set))
 503                 return -EINVAL;
 504
 505         if (PRINT_FIELD(IREGS) &&
 506             evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set))
 507                 return -EINVAL;
 508
 509         if (PRINT_FIELD(UREGS) &&
 510             evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS))
 511                 return -EINVAL;
 512
 513         if (PRINT_FIELD(PHYS_ADDR) &&
 514             evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR))
 515                 return -EINVAL;
 516
 517         if (PRINT_FIELD(DATA_PAGE_SIZE) &&
 518             evsel__check_stype(evsel, PERF_SAMPLE_DATA_PAGE_SIZE, "DATA_PAGE_SIZE", PERF_OUTPUT_DATA_PAGE_SIZE))
 519                 return -EINVAL;
 520
 521         if (PRINT_FIELD(CODE_PAGE_SIZE) &&
 522             evsel__check_stype(evsel, PERF_SAMPLE_CODE_PAGE_SIZE, "CODE_PAGE_SIZE", PERF_OUTPUT_CODE_PAGE_SIZE))
 523                 return -EINVAL;
 524
 525         return 0;
 526 }
 527
 528 static void set_print_ip_opts(struct perf_event_attr *attr)
 529 {
 530         unsigned int type = output_type(attr->type);
 531
 532         output[type].print_ip_opts = 0;
 533         if (PRINT_FIELD(IP))
 534                 output[type].print_ip_opts |= EVSEL__PRINT_IP;
 535
 536         if (PRINT_FIELD(SYM))
 537                 output[type].print_ip_opts |= EVSEL__PRINT_SYM;
 538
 539         if (PRINT_FIELD(DSO))
 540                 output[type].print_ip_opts |= EVSEL__PRINT_DSO;
 541
 542         if (PRINT_FIELD(SYMOFFSET))
 543                 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
 544
 545         if (PRINT_FIELD(SRCLINE))
 546                 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
 547 }
 548
 549 static struct evsel *find_first_output_type(struct evlist *evlist,
 550                                             unsigned int type)
 551 {
 552         struct evsel *evsel;
 553
 554         evlist__for_each_entry(evlist, evsel) {
 555                 if (output_type(evsel->core.attr.type) == (int)type)
 556                         return evsel;
 557         }
 558         return NULL;
 559 }
 560
 561 /*
 562  * verify all user requested events exist and the samples
 563  * have the expected data
 564  */
 565 static int perf_session__check_output_opt(struct perf_session *session)
 566 {
 567         bool tod = false;
 568         unsigned int j;
 569         struct evsel *evsel;
 570
 571         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 572                 evsel = find_first_output_type(session->evlist, j);
 573
 574                 /*
 575                  * even if fields is set to 0 (ie., show nothing) event must
 576                  * exist if user explicitly includes it on the command line
 577                  */
 578                 if (!evsel && output[j].user_set && !output[j].wildcard_set &&
 579                     j != OUTPUT_TYPE_SYNTH) {
 580                         pr_err("%s events do not exist. "
 581                                "Remove corresponding -F option to proceed.\n",
 582                                event_type(j));
 583                         return -1;
 584                 }
 585
 586                 if (evsel && output[j].fields &&
 587                         evsel__check_attr(evsel, session))
 588                         return -1;
 589
 590                 if (evsel == NULL)
 591                         continue;
 592
 593                 set_print_ip_opts(&evsel->core.attr);
 594                 tod |= output[j].fields & PERF_OUTPUT_TOD;
 595         }
 596
 597         if (!no_callchain) {
 598                 bool use_callchain = false;
 599                 bool not_pipe = false;
 600
 601                 evlist__for_each_entry(session->evlist, evsel) {
 602                         not_pipe = true;
 603                         if (evsel__has_callchain(evsel)) {
 604                                 use_callchain = true;
 605                                 break;
 606                         }
 607                 }
 608                 if (not_pipe && !use_callchain)
 609                         symbol_conf.use_callchain = false;
 610         }
 611
 612         /*
 613          * set default for tracepoints to print symbols only
 614          * if callchains are present
 615          */
 616         if (symbol_conf.use_callchain &&
 617             !output[PERF_TYPE_TRACEPOINT].user_set) {
 618                 j = PERF_TYPE_TRACEPOINT;
 619
 620                 evlist__for_each_entry(session->evlist, evsel) {
 621                         if (evsel->core.attr.type != j)
 622                                 continue;
 623
 624                         if (evsel__has_callchain(evsel)) {
 625                                 output[j].fields |= PERF_OUTPUT_IP;
 626                                 output[j].fields |= PERF_OUTPUT_SYM;
 627                                 output[j].fields |= PERF_OUTPUT_SYMOFFSET;
 628                                 output[j].fields |= PERF_OUTPUT_DSO;
 629                                 set_print_ip_opts(&evsel->core.attr);
 630                                 goto out;
 631                         }
 632                 }
 633         }
 634
 635         if (tod && !session->header.env.clock.enabled) {
 636                 pr_err("Can't provide 'tod' time, missing clock data. "
 637                        "Please record with -k/--clockid option.\n");
 638                 return -1;
 639         }
 640 out:
 641         return 0;
 642 }
 643
 644 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask,
 645                                      FILE *fp)
 646 {
 647         unsigned i = 0, r;
 648         int printed = 0;
 649
 650         if (!regs || !regs->regs)
 651                 return 0;
 652
 653         printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
 654
 655         for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
 656                 u64 val = regs->regs[i++];
 657                 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
 658         }
 659
 660         return printed;
 661 }
 662
 663 #define DEFAULT_TOD_FMT "%F %H:%M:%S"
 664
 665 static char*
 666 tod_scnprintf(struct perf_script *script, char *buf, int buflen,
 667              u64 timestamp)
 668 {
 669         u64 tod_ns, clockid_ns;
 670         struct perf_env *env;
 671         unsigned long nsec;
 672         struct tm ltime;
 673         char date[64];
 674         time_t sec;
 675
 676         buf[0] = '\0';
 677         if (buflen < 64 || !script)
 678                 return buf;
 679
 680         env = &script->session->header.env;
 681         if (!env->clock.enabled) {
 682                 scnprintf(buf, buflen, "disabled");
 683                 return buf;
 684         }
 685
 686         clockid_ns = env->clock.clockid_ns;
 687         tod_ns     = env->clock.tod_ns;
 688
 689         if (timestamp > clockid_ns)
 690                 tod_ns += timestamp - clockid_ns;
 691         else
 692                 tod_ns -= clockid_ns - timestamp;
 693
 694         sec  = (time_t) (tod_ns / NSEC_PER_SEC);
 695         nsec = tod_ns - sec * NSEC_PER_SEC;
 696
 697         if (localtime_r(&sec, &ltime) == NULL) {
 698                 scnprintf(buf, buflen, "failed");
 699         } else {
 700                 strftime(date, sizeof(date), DEFAULT_TOD_FMT, &ltime);
 701
 702                 if (symbol_conf.nanosecs) {
 703                         snprintf(buf, buflen, "%s.%09lu", date, nsec);
 704                 } else {
 705                         snprintf(buf, buflen, "%s.%06lu",
 706                                  date, nsec / NSEC_PER_USEC);
 707                 }
 708         }
 709
 710         return buf;
 711 }
 712
 713 static int perf_sample__fprintf_iregs(struct perf_sample *sample,
 714                                       struct perf_event_attr *attr, FILE *fp)
 715 {
 716         return perf_sample__fprintf_regs(&sample->intr_regs,
 717                                          attr->sample_regs_intr, fp);
 718 }
 719
 720 static int perf_sample__fprintf_uregs(struct perf_sample *sample,
 721                                       struct perf_event_attr *attr, FILE *fp)
 722 {
 723         return perf_sample__fprintf_regs(&sample->user_regs,
 724                                          attr->sample_regs_user, fp);
 725 }
 726
 727 static int perf_sample__fprintf_start(struct perf_script *script,
 728                                       struct perf_sample *sample,
 729                                       struct thread *thread,
 730                                       struct evsel *evsel,
 731                                       u32 type, FILE *fp)
 732 {
 733         struct perf_event_attr *attr = &evsel->core.attr;
 734         unsigned long secs;
 735         unsigned long long nsecs;
 736         int printed = 0;
 737         char tstr[128];
 738
 739         if (PRINT_FIELD(COMM)) {
 740                 const char *comm = thread ? thread__comm_str(thread) : ":-1";
 741
 742                 if (latency_format)
 743                         printed += fprintf(fp, "%8.8s ", comm);
 744                 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
 745                         printed += fprintf(fp, "%s ", comm);
 746                 else
 747                         printed += fprintf(fp, "%16s ", comm);
 748         }
 749
 750         if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
 751                 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid);
 752         else if (PRINT_FIELD(PID))
 753                 printed += fprintf(fp, "%5d ", sample->pid);
 754         else if (PRINT_FIELD(TID))
 755                 printed += fprintf(fp, "%5d ", sample->tid);
 756
 757         if (PRINT_FIELD(CPU)) {
 758                 if (latency_format)
 759                         printed += fprintf(fp, "%3d ", sample->cpu);
 760                 else
 761                         printed += fprintf(fp, "[%03d] ", sample->cpu);
 762         }
 763
 764         if (PRINT_FIELD(MISC)) {
 765                 int ret = 0;
 766
 767                 #define has(m) \
 768                         (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
 769
 770                 if (has(KERNEL))
 771                         ret += fprintf(fp, "K");
 772                 if (has(USER))
 773                         ret += fprintf(fp, "U");
 774                 if (has(HYPERVISOR))
 775                         ret += fprintf(fp, "H");
 776                 if (has(GUEST_KERNEL))
 777                         ret += fprintf(fp, "G");
 778                 if (has(GUEST_USER))
 779                         ret += fprintf(fp, "g");
 780
 781                 switch (type) {
 782                 case PERF_RECORD_MMAP:
 783                 case PERF_RECORD_MMAP2:
 784                         if (has(MMAP_DATA))
 785                                 ret += fprintf(fp, "M");
 786                         break;
 787                 case PERF_RECORD_COMM:
 788                         if (has(COMM_EXEC))
 789                                 ret += fprintf(fp, "E");
 790                         break;
 791                 case PERF_RECORD_SWITCH:
 792                 case PERF_RECORD_SWITCH_CPU_WIDE:
 793                         if (has(SWITCH_OUT)) {
 794                                 ret += fprintf(fp, "S");
 795                                 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
 796                                         ret += fprintf(fp, "p");
 797                         }
 798                 default:
 799                         break;
 800                 }
 801
 802                 #undef has
 803
 804                 ret += fprintf(fp, "%*s", 6 - ret, " ");
 805                 printed += ret;
 806         }
 807
 808         if (PRINT_FIELD(TOD)) {
 809                 tod_scnprintf(script, tstr, sizeof(tstr), sample->time);
 810                 printed += fprintf(fp, "%s ", tstr);
 811         }
 812
 813         if (PRINT_FIELD(TIME)) {
 814                 u64 t = sample->time;
 815                 if (reltime) {
 816                         if (!initial_time)
 817                                 initial_time = sample->time;
 818                         t = sample->time - initial_time;
 819                 } else if (deltatime) {
 820                         if (previous_time)
 821                                 t = sample->time - previous_time;
 822                         else {
 823                                 t = 0;
 824                         }
 825                         previous_time = sample->time;
 826                 }
 827                 nsecs = t;
 828                 secs = nsecs / NSEC_PER_SEC;
 829                 nsecs -= secs * NSEC_PER_SEC;
 830
 831                 if (symbol_conf.nanosecs)
 832                         printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
 833                 else {
 834                         char sample_time[32];
 835                         timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time));
 836                         printed += fprintf(fp, "%12s: ", sample_time);
 837                 }
 838         }
 839
 840         return printed;
 841 }
 842
 843 static inline char
 844 mispred_str(struct branch_entry *br)
 845 {
 846         if (!(br->flags.mispred  || br->flags.predicted))
 847                 return '-';
 848
 849         return br->flags.predicted ? 'P' : 'M';
 850 }
 851
 852 static int perf_sample__fprintf_brstack(struct perf_sample *sample,
 853                                         struct thread *thread,
 854                                         struct perf_event_attr *attr, FILE *fp)
 855 {
 856         struct branch_stack *br = sample->branch_stack;
 857         struct branch_entry *entries = perf_sample__branch_entries(sample);
 858         struct addr_location alf, alt;
 859         u64 i, from, to;
 860         int printed = 0;
 861
 862         if (!(br && br->nr))
 863                 return 0;
 864
 865         for (i = 0; i < br->nr; i++) {
 866                 from = entries[i].from;
 867                 to   = entries[i].to;
 868
 869                 if (PRINT_FIELD(DSO)) {
 870                         memset(&alf, 0, sizeof(alf));
 871                         memset(&alt, 0, sizeof(alt));
 872                         thread__find_map_fb(thread, sample->cpumode, from, &alf);
 873                         thread__find_map_fb(thread, sample->cpumode, to, &alt);
 874                 }
 875
 876                 printed += fprintf(fp, " 0x%"PRIx64, from);
 877                 if (PRINT_FIELD(DSO)) {
 878                         printed += fprintf(fp, "(");
 879                         printed += map__fprintf_dsoname(alf.map, fp);
 880                         printed += fprintf(fp, ")");
 881                 }
 882
 883                 printed += fprintf(fp, "/0x%"PRIx64, to);
 884                 if (PRINT_FIELD(DSO)) {
 885                         printed += fprintf(fp, "(");
 886                         printed += map__fprintf_dsoname(alt.map, fp);
 887                         printed += fprintf(fp, ")");
 888                 }
 889
 890                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 891                         mispred_str(entries + i),
 892                         entries[i].flags.in_tx ? 'X' : '-',
 893                         entries[i].flags.abort ? 'A' : '-',
 894                         entries[i].flags.cycles);
 895         }
 896
 897         return printed;
 898 }
 899
 900 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
 901                                            struct thread *thread,
 902                                            struct perf_event_attr *attr, FILE *fp)
 903 {
 904         struct branch_stack *br = sample->branch_stack;
 905         struct branch_entry *entries = perf_sample__branch_entries(sample);
 906         struct addr_location alf, alt;
 907         u64 i, from, to;
 908         int printed = 0;
 909
 910         if (!(br && br->nr))
 911                 return 0;
 912
 913         for (i = 0; i < br->nr; i++) {
 914
 915                 memset(&alf, 0, sizeof(alf));
 916                 memset(&alt, 0, sizeof(alt));
 917                 from = entries[i].from;
 918                 to   = entries[i].to;
 919
 920                 thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
 921                 thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
 922
 923                 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
 924                 if (PRINT_FIELD(DSO)) {
 925                         printed += fprintf(fp, "(");
 926                         printed += map__fprintf_dsoname(alf.map, fp);
 927                         printed += fprintf(fp, ")");
 928                 }
 929                 printed += fprintf(fp, "%c", '/');
 930                 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
 931                 if (PRINT_FIELD(DSO)) {
 932                         printed += fprintf(fp, "(");
 933                         printed += map__fprintf_dsoname(alt.map, fp);
 934                         printed += fprintf(fp, ")");
 935                 }
 936                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 937                         mispred_str(entries + i),
 938                         entries[i].flags.in_tx ? 'X' : '-',
 939                         entries[i].flags.abort ? 'A' : '-',
 940                         entries[i].flags.cycles);
 941         }
 942
 943         return printed;
 944 }
 945
 946 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
 947                                            struct thread *thread,
 948                                            struct perf_event_attr *attr, FILE *fp)
 949 {
 950         struct branch_stack *br = sample->branch_stack;
 951         struct branch_entry *entries = perf_sample__branch_entries(sample);
 952         struct addr_location alf, alt;
 953         u64 i, from, to;
 954         int printed = 0;
 955
 956         if (!(br && br->nr))
 957                 return 0;
 958
 959         for (i = 0; i < br->nr; i++) {
 960
 961                 memset(&alf, 0, sizeof(alf));
 962                 memset(&alt, 0, sizeof(alt));
 963                 from = entries[i].from;
 964                 to   = entries[i].to;
 965
 966                 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
 967                     !alf.map->dso->adjust_symbols)
 968                         from = map__map_ip(alf.map, from);
 969
 970                 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
 971                     !alt.map->dso->adjust_symbols)
 972                         to = map__map_ip(alt.map, to);
 973
 974                 printed += fprintf(fp, " 0x%"PRIx64, from);
 975                 if (PRINT_FIELD(DSO)) {
 976                         printed += fprintf(fp, "(");
 977                         printed += map__fprintf_dsoname(alf.map, fp);
 978                         printed += fprintf(fp, ")");
 979                 }
 980                 printed += fprintf(fp, "/0x%"PRIx64, to);
 981                 if (PRINT_FIELD(DSO)) {
 982                         printed += fprintf(fp, "(");
 983                         printed += map__fprintf_dsoname(alt.map, fp);
 984                         printed += fprintf(fp, ")");
 985                 }
 986                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 987                         mispred_str(entries + i),
 988                         entries[i].flags.in_tx ? 'X' : '-',
 989                         entries[i].flags.abort ? 'A' : '-',
 990                         entries[i].flags.cycles);
 991         }
 992
 993         return printed;
 994 }
 995 #define MAXBB 16384UL
 996
 997 static int grab_bb(u8 *buffer, u64 start, u64 end,
 998                     struct machine *machine, struct thread *thread,
 999                     bool *is64bit, u8 *cpumode, bool last)
1000 {
1001         long offset, len;
1002         struct addr_location al;
1003         bool kernel;
1004
1005         if (!start || !end)
1006                 return 0;
1007
1008         kernel = machine__kernel_ip(machine, start);
1009         if (kernel)
1010                 *cpumode = PERF_RECORD_MISC_KERNEL;
1011         else
1012                 *cpumode = PERF_RECORD_MISC_USER;
1013
1014         /*
1015          * Block overlaps between kernel and user.
1016          * This can happen due to ring filtering
1017          * On Intel CPUs the entry into the kernel is filtered,
1018          * but the exit is not. Let the caller patch it up.
1019          */
1020         if (kernel != machine__kernel_ip(machine, end)) {
1021                 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
1022                 return -ENXIO;
1023         }
1024
1025         memset(&al, 0, sizeof(al));
1026         if (end - start > MAXBB - MAXINSN) {
1027                 if (last)
1028                         pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
1029                 else
1030                         pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
1031                 return 0;
1032         }
1033
1034         if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) {
1035                 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1036                 return 0;
1037         }
1038         if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
1039                 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1040                 return 0;
1041         }
1042
1043         /* Load maps to ensure dso->is_64_bit has been updated */
1044         map__load(al.map);
1045
1046         offset = al.map->map_ip(al.map, start);
1047         len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer,
1048                                     end - start + MAXINSN);
1049
1050         *is64bit = al.map->dso->is_64_bit;
1051         if (len <= 0)
1052                 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
1053                         start, end);
1054         return len;
1055 }
1056
1057 static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state)
1058 {
1059         char *srcfile;
1060         int ret = 0;
1061         unsigned line;
1062         int len;
1063         char *srccode;
1064
1065         if (!map || !map->dso)
1066                 return 0;
1067         srcfile = get_srcline_split(map->dso,
1068                                     map__rip_2objdump(map, addr),
1069                                     &line);
1070         if (!srcfile)
1071                 return 0;
1072
1073         /* Avoid redundant printing */
1074         if (state &&
1075             state->srcfile &&
1076             !strcmp(state->srcfile, srcfile) &&
1077             state->line == line) {
1078                 free(srcfile);
1079                 return 0;
1080         }
1081
1082         srccode = find_sourceline(srcfile, line, &len);
1083         if (!srccode)
1084                 goto out_free_line;
1085
1086         ret = fprintf(fp, "|%-8d %.*s", line, len, srccode);
1087
1088         if (state) {
1089                 state->srcfile = srcfile;
1090                 state->line = line;
1091         }
1092         return ret;
1093
1094 out_free_line:
1095         free(srcfile);
1096         return ret;
1097 }
1098
1099 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr)
1100 {
1101         struct addr_location al;
1102         int ret = 0;
1103
1104         memset(&al, 0, sizeof(al));
1105         thread__find_map(thread, cpumode, addr, &al);
1106         if (!al.map)
1107                 return 0;
1108         ret = map__fprintf_srccode(al.map, al.addr, stdout,
1109                     &thread->srccode_state);
1110         if (ret)
1111                 ret += printf("\n");
1112         return ret;
1113 }
1114
1115 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
1116                             struct perf_insn *x, u8 *inbuf, int len,
1117                             int insn, FILE *fp, int *total_cycles)
1118 {
1119         int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip,
1120                               dump_insn(x, ip, inbuf, len, NULL),
1121                               en->flags.predicted ? " PRED" : "",
1122                               en->flags.mispred ? " MISPRED" : "",
1123                               en->flags.in_tx ? " INTX" : "",
1124                               en->flags.abort ? " ABORT" : "");
1125         if (en->flags.cycles) {
1126                 *total_cycles += en->flags.cycles;
1127                 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles);
1128                 if (insn)
1129                         printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
1130         }
1131         return printed + fprintf(fp, "\n");
1132 }
1133
1134 static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
1135                            u8 cpumode, int cpu, struct symbol **lastsym,
1136                            struct perf_event_attr *attr, FILE *fp)
1137 {
1138         struct addr_location al;
1139         int off, printed = 0;
1140
1141         memset(&al, 0, sizeof(al));
1142
1143         thread__find_map(thread, cpumode, addr, &al);
1144
1145         if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
1146                 return 0;
1147
1148         al.cpu = cpu;
1149         al.sym = NULL;
1150         if (al.map)
1151                 al.sym = map__find_symbol(al.map, al.addr);
1152
1153         if (!al.sym)
1154                 return 0;
1155
1156         if (al.addr < al.sym->end)
1157                 off = al.addr - al.sym->start;
1158         else
1159                 off = al.addr - al.map->start - al.sym->start;
1160         printed += fprintf(fp, "\t%s", al.sym->name);
1161         if (off)
1162                 printed += fprintf(fp, "%+d", off);
1163         printed += fprintf(fp, ":");
1164         if (PRINT_FIELD(SRCLINE))
1165                 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
1166         printed += fprintf(fp, "\n");
1167         *lastsym = al.sym;
1168
1169         return printed;
1170 }
1171
1172 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
1173                                             struct thread *thread,
1174                                             struct perf_event_attr *attr,
1175                                             struct machine *machine, FILE *fp)
1176 {
1177         struct branch_stack *br = sample->branch_stack;
1178         struct branch_entry *entries = perf_sample__branch_entries(sample);
1179         u64 start, end;
1180         int i, insn, len, nr, ilen, printed = 0;
1181         struct perf_insn x;
1182         u8 buffer[MAXBB];
1183         unsigned off;
1184         struct symbol *lastsym = NULL;
1185         int total_cycles = 0;
1186
1187         if (!(br && br->nr))
1188                 return 0;
1189         nr = br->nr;
1190         if (max_blocks && nr > max_blocks + 1)
1191                 nr = max_blocks + 1;
1192
1193         x.thread = thread;
1194         x.cpu = sample->cpu;
1195
1196         printed += fprintf(fp, "%c", '\n');
1197
1198         /* Handle first from jump, of which we don't know the entry. */
1199         len = grab_bb(buffer, entries[nr-1].from,
1200                         entries[nr-1].from,
1201                         machine, thread, &x.is64bit, &x.cpumode, false);
1202         if (len > 0) {
1203                 printed += ip__fprintf_sym(entries[nr - 1].from, thread,
1204                                            x.cpumode, x.cpu, &lastsym, attr, fp);
1205                 printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1],
1206                                             &x, buffer, len, 0, fp, &total_cycles);
1207                 if (PRINT_FIELD(SRCCODE))
1208                         printed += print_srccode(thread, x.cpumode, entries[nr - 1].from);
1209         }
1210
1211         /* Print all blocks */
1212         for (i = nr - 2; i >= 0; i--) {
1213                 if (entries[i].from || entries[i].to)
1214                         pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1215                                  entries[i].from,
1216                                  entries[i].to);
1217                 start = entries[i + 1].to;
1218                 end   = entries[i].from;
1219
1220                 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1221                 /* Patch up missing kernel transfers due to ring filters */
1222                 if (len == -ENXIO && i > 0) {
1223                         end = entries[--i].from;
1224                         pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1225                         len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1226                 }
1227                 if (len <= 0)
1228                         continue;
1229
1230                 insn = 0;
1231                 for (off = 0; off < (unsigned)len; off += ilen) {
1232                         uint64_t ip = start + off;
1233
1234                         printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1235                         if (ip == end) {
1236                                 printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp,
1237                                                             &total_cycles);
1238                                 if (PRINT_FIELD(SRCCODE))
1239                                         printed += print_srccode(thread, x.cpumode, ip);
1240                                 break;
1241                         } else {
1242                                 ilen = 0;
1243                                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip,
1244                                                    dump_insn(&x, ip, buffer + off, len - off, &ilen));
1245                                 if (ilen == 0)
1246                                         break;
1247                                 if (PRINT_FIELD(SRCCODE))
1248                                         print_srccode(thread, x.cpumode, ip);
1249                                 insn++;
1250                         }
1251                 }
1252                 if (off != end - start)
1253                         printed += fprintf(fp, "\tmismatch of LBR data and executable\n");
1254         }
1255
1256         /*
1257          * Hit the branch? In this case we are already done, and the target
1258          * has not been executed yet.
1259          */
1260         if (entries[0].from == sample->ip)
1261                 goto out;
1262         if (entries[0].flags.abort)
1263                 goto out;
1264
1265         /*
1266          * Print final block upto sample
1267          *
1268          * Due to pipeline delays the LBRs might be missing a branch
1269          * or two, which can result in very large or negative blocks
1270          * between final branch and sample. When this happens just
1271          * continue walking after the last TO until we hit a branch.
1272          */
1273         start = entries[0].to;
1274         end = sample->ip;
1275         if (end < start) {
1276                 /* Missing jump. Scan 128 bytes for the next branch */
1277                 end = start + 128;
1278         }
1279         len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1280         printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1281         if (len <= 0) {
1282                 /* Print at least last IP if basic block did not work */
1283                 len = grab_bb(buffer, sample->ip, sample->ip,
1284                               machine, thread, &x.is64bit, &x.cpumode, false);
1285                 if (len <= 0)
1286                         goto out;
1287                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip,
1288                         dump_insn(&x, sample->ip, buffer, len, NULL));
1289                 if (PRINT_FIELD(SRCCODE))
1290                         print_srccode(thread, x.cpumode, sample->ip);
1291                 goto out;
1292         }
1293         for (off = 0; off <= end - start; off += ilen) {
1294                 ilen = 0;
1295                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off,
1296                                    dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1297                 if (ilen == 0)
1298                         break;
1299                 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) {
1300                         /*
1301                          * Hit a missing branch. Just stop.
1302                          */
1303                         printed += fprintf(fp, "\t... not reaching sample ...\n");
1304                         break;
1305                 }
1306                 if (PRINT_FIELD(SRCCODE))
1307                         print_srccode(thread, x.cpumode, start + off);
1308         }
1309 out:
1310         return printed;
1311 }
1312
1313 static int perf_sample__fprintf_addr(struct perf_sample *sample,
1314                                      struct thread *thread,
1315                                      struct perf_event_attr *attr, FILE *fp)
1316 {
1317         struct addr_location al;
1318         int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1319
1320         if (!sample_addr_correlates_sym(attr))
1321                 goto out;
1322
1323         thread__resolve(thread, &al, sample);
1324
1325         if (PRINT_FIELD(SYM)) {
1326                 printed += fprintf(fp, " ");
1327                 if (PRINT_FIELD(SYMOFFSET))
1328                         printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1329                 else
1330                         printed += symbol__fprintf_symname(al.sym, fp);
1331         }
1332
1333         if (PRINT_FIELD(DSO)) {
1334                 printed += fprintf(fp, " (");
1335                 printed += map__fprintf_dsoname(al.map, fp);
1336                 printed += fprintf(fp, ")");
1337         }
1338 out:
1339         return printed;
1340 }
1341
1342 static const char *resolve_branch_sym(struct perf_sample *sample,
1343                                       struct evsel *evsel,
1344                                       struct thread *thread,
1345                                       struct addr_location *al,
1346                                       struct addr_location *addr_al,
1347                                       u64 *ip)
1348 {
1349         struct perf_event_attr *attr = &evsel->core.attr;
1350         const char *name = NULL;
1351
1352         if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1353                 if (sample_addr_correlates_sym(attr)) {
1354                         if (!addr_al->thread)
1355                                 thread__resolve(thread, addr_al, sample);
1356                         if (addr_al->sym)
1357                                 name = addr_al->sym->name;
1358                         else
1359                                 *ip = sample->addr;
1360                 } else {
1361                         *ip = sample->addr;
1362                 }
1363         } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1364                 if (al->sym)
1365                         name = al->sym->name;
1366                 else
1367                         *ip = sample->ip;
1368         }
1369         return name;
1370 }
1371
1372 static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1373                                            struct evsel *evsel,
1374                                            struct thread *thread,
1375                                            struct addr_location *al,
1376                                            struct addr_location *addr_al,
1377                                            FILE *fp)
1378 {
1379         struct perf_event_attr *attr = &evsel->core.attr;
1380         size_t depth = thread_stack__depth(thread, sample->cpu);
1381         const char *name = NULL;
1382         static int spacing;
1383         int len = 0;
1384         int dlen = 0;
1385         u64 ip = 0;
1386
1387         /*
1388          * The 'return' has already been popped off the stack so the depth has
1389          * to be adjusted to match the 'call'.
1390          */
1391         if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
1392                 depth += 1;
1393
1394         name = resolve_branch_sym(sample, evsel, thread, al, addr_al, &ip);
1395
1396         if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
1397                 dlen += fprintf(fp, "(");
1398                 dlen += map__fprintf_dsoname(al->map, fp);
1399                 dlen += fprintf(fp, ")\t");
1400         }
1401
1402         if (name)
1403                 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1404         else if (ip)
1405                 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1406
1407         if (len < 0)
1408                 return len;
1409
1410         /*
1411          * Try to keep the output length from changing frequently so that the
1412          * output lines up more nicely.
1413          */
1414         if (len > spacing || (len && len < spacing - 52))
1415                 spacing = round_up(len + 4, 32);
1416
1417         if (len < spacing)
1418                 len += fprintf(fp, "%*s", spacing - len, "");
1419
1420         return len + dlen;
1421 }
1422
1423 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused,
1424                             struct thread *thread __maybe_unused,
1425                             struct machine *machine __maybe_unused)
1426 {
1427 }
1428
1429 void script_fetch_insn(struct perf_sample *sample, struct thread *thread,
1430                        struct machine *machine)
1431 {
1432         if (sample->insn_len == 0 && native_arch)
1433                 arch_fetch_insn(sample, thread, machine);
1434 }
1435
1436 static int perf_sample__fprintf_insn(struct perf_sample *sample,
1437                                      struct perf_event_attr *attr,
1438                                      struct thread *thread,
1439                                      struct machine *machine, FILE *fp)
1440 {
1441         int printed = 0;
1442
1443         script_fetch_insn(sample, thread, machine);
1444
1445         if (PRINT_FIELD(INSNLEN))
1446                 printed += fprintf(fp, " ilen: %d", sample->insn_len);
1447         if (PRINT_FIELD(INSN) && sample->insn_len) {
1448                 int i;
1449
1450                 printed += fprintf(fp, " insn:");
1451                 for (i = 0; i < sample->insn_len; i++)
1452                         printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
1453         }
1454         if (PRINT_FIELD(BRSTACKINSN))
1455                 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
1456
1457         return printed;
1458 }
1459
1460 static int perf_sample__fprintf_ipc(struct perf_sample *sample,
1461                                     struct perf_event_attr *attr, FILE *fp)
1462 {
1463         unsigned int ipc;
1464
1465         if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt)
1466                 return 0;
1467
1468         ipc = (sample->insn_cnt * 100) / sample->cyc_cnt;
1469
1470         return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ",
1471                        ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt);
1472 }
1473
1474 static int perf_sample__fprintf_bts(struct perf_sample *sample,
1475                                     struct evsel *evsel,
1476                                     struct thread *thread,
1477                                     struct addr_location *al,
1478                                     struct addr_location *addr_al,
1479                                     struct machine *machine, FILE *fp)
1480 {
1481         struct perf_event_attr *attr = &evsel->core.attr;
1482         unsigned int type = output_type(attr->type);
1483         bool print_srcline_last = false;
1484         int printed = 0;
1485
1486         if (PRINT_FIELD(CALLINDENT))
1487                 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, addr_al, fp);
1488
1489         /* print branch_from information */
1490         if (PRINT_FIELD(IP)) {
1491                 unsigned int print_opts = output[type].print_ip_opts;
1492                 struct callchain_cursor *cursor = NULL;
1493
1494                 if (symbol_conf.use_callchain && sample->callchain &&
1495                     thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1496                                               sample, NULL, NULL, scripting_max_stack) == 0)
1497                         cursor = &callchain_cursor;
1498
1499                 if (cursor == NULL) {
1500                         printed += fprintf(fp, " ");
1501                         if (print_opts & EVSEL__PRINT_SRCLINE) {
1502                                 print_srcline_last = true;
1503                                 print_opts &= ~EVSEL__PRINT_SRCLINE;
1504                         }
1505                 } else
1506                         printed += fprintf(fp, "\n");
1507
1508                 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor,
1509                                                symbol_conf.bt_stop_list, fp);
1510         }
1511
1512         /* print branch_to information */
1513         if (PRINT_FIELD(ADDR) ||
1514             ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
1515              !output[type].user_set)) {
1516                 printed += fprintf(fp, " => ");
1517                 printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1518         }
1519
1520         printed += perf_sample__fprintf_ipc(sample, attr, fp);
1521
1522         if (print_srcline_last)
1523                 printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
1524
1525         printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1526         printed += fprintf(fp, "\n");
1527         if (PRINT_FIELD(SRCCODE)) {
1528                 int ret = map__fprintf_srccode(al->map, al->addr, stdout,
1529                                          &thread->srccode_state);
1530                 if (ret) {
1531                         printed += ret;
1532                         printed += printf("\n");
1533                 }
1534         }
1535         return printed;
1536 }
1537
1538 static struct {
1539         u32 flags;
1540         const char *name;
1541 } sample_flags[] = {
1542         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1543         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1544         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1545         {PERF_IP_FLAG_BRANCH, "jmp"},
1546         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1547         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1548         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1549         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1550         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1551         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"},
1552         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1553         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1554         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1555         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMENTRY, "vmentry"},
1556         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMEXIT, "vmexit"},
1557         {0, NULL}
1558 };
1559
1560 static const char *sample_flags_to_name(u32 flags)
1561 {
1562         int i;
1563
1564         for (i = 0; sample_flags[i].name ; i++) {
1565                 if (sample_flags[i].flags == flags)
1566                         return sample_flags[i].name;
1567         }
1568
1569         return NULL;
1570 }
1571
1572 int perf_sample__sprintf_flags(u32 flags, char *str, size_t sz)
1573 {
1574         const char *chars = PERF_IP_FLAG_CHARS;
1575         const size_t n = strlen(PERF_IP_FLAG_CHARS);
1576         bool in_tx = flags & PERF_IP_FLAG_IN_TX;
1577         const char *name = NULL;
1578         size_t i, pos = 0;
1579
1580         name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX);
1581         if (name)
1582                 return snprintf(str, sz, "%-15s%4s", name, in_tx ? "(x)" : "");
1583
1584         if (flags & PERF_IP_FLAG_TRACE_BEGIN) {
1585                 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN));
1586                 if (name)
1587                         return snprintf(str, sz, "tr strt %-7s%4s", name, in_tx ? "(x)" : "");
1588         }
1589
1590         if (flags & PERF_IP_FLAG_TRACE_END) {
1591                 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END));
1592                 if (name)
1593                         return snprintf(str, sz, "tr end  %-7s%4s", name, in_tx ? "(x)" : "");
1594         }
1595
1596         for (i = 0; i < n; i++, flags >>= 1) {
1597                 if ((flags & 1) && pos < sz)
1598                         str[pos++] = chars[i];
1599         }
1600         for (; i < 32; i++, flags >>= 1) {
1601                 if ((flags & 1) && pos < sz)
1602                         str[pos++] = '?';
1603         }
1604         if (pos < sz)
1605                 str[pos] = 0;
1606
1607         return pos;
1608 }
1609
1610 static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1611 {
1612         char str[SAMPLE_FLAGS_BUF_SIZE];
1613
1614         perf_sample__sprintf_flags(flags, str, sizeof(str));
1615         return fprintf(fp, "  %-19s ", str);
1616 }
1617
1618 struct printer_data {
1619         int line_no;
1620         bool hit_nul;
1621         bool is_printable;
1622 };
1623
1624 static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1625                                       unsigned int val,
1626                                       void *extra, FILE *fp)
1627 {
1628         unsigned char ch = (unsigned char)val;
1629         struct printer_data *printer_data = extra;
1630         int printed = 0;
1631
1632         switch (op) {
1633         case BINARY_PRINT_DATA_BEGIN:
1634                 printed += fprintf(fp, "\n");
1635                 break;
1636         case BINARY_PRINT_LINE_BEGIN:
1637                 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1638                                                         "           ");
1639                 break;
1640         case BINARY_PRINT_ADDR:
1641                 printed += fprintf(fp, " %04x:", val);
1642                 break;
1643         case BINARY_PRINT_NUM_DATA:
1644                 printed += fprintf(fp, " %02x", val);
1645                 break;
1646         case BINARY_PRINT_NUM_PAD:
1647                 printed += fprintf(fp, "   ");
1648                 break;
1649         case BINARY_PRINT_SEP:
1650                 printed += fprintf(fp, "  ");
1651                 break;
1652         case BINARY_PRINT_CHAR_DATA:
1653                 if (printer_data->hit_nul && ch)
1654                         printer_data->is_printable = false;
1655
1656                 if (!isprint(ch)) {
1657                         printed += fprintf(fp, "%c", '.');
1658
1659                         if (!printer_data->is_printable)
1660                                 break;
1661
1662                         if (ch == '\0')
1663                                 printer_data->hit_nul = true;
1664                         else
1665                                 printer_data->is_printable = false;
1666                 } else {
1667                         printed += fprintf(fp, "%c", ch);
1668                 }
1669                 break;
1670         case BINARY_PRINT_CHAR_PAD:
1671                 printed += fprintf(fp, " ");
1672                 break;
1673         case BINARY_PRINT_LINE_END:
1674                 printed += fprintf(fp, "\n");
1675                 printer_data->line_no++;
1676                 break;
1677         case BINARY_PRINT_DATA_END:
1678         default:
1679                 break;
1680         }
1681
1682         return printed;
1683 }
1684
1685 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1686 {
1687         unsigned int nr_bytes = sample->raw_size;
1688         struct printer_data printer_data = {0, false, true};
1689         int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1690                                       sample__fprintf_bpf_output, &printer_data, fp);
1691
1692         if (printer_data.is_printable && printer_data.hit_nul)
1693                 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1694
1695         return printed;
1696 }
1697
1698 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1699 {
1700         if (len > 0 && len < spacing)
1701                 return fprintf(fp, "%*s", spacing - len, "");
1702
1703         return 0;
1704 }
1705
1706 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1707 {
1708         return perf_sample__fprintf_spacing(len, 34, fp);
1709 }
1710
1711 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1712 {
1713         struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1714         int len;
1715
1716         if (perf_sample__bad_synth_size(sample, *data))
1717                 return 0;
1718
1719         len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ",
1720                      data->ip, le64_to_cpu(data->payload));
1721         return len + perf_sample__fprintf_pt_spacing(len, fp);
1722 }
1723
1724 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1725 {
1726         struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1727         int len;
1728
1729         if (perf_sample__bad_synth_size(sample, *data))
1730                 return 0;
1731
1732         len = fprintf(fp, " hints: %#x extensions: %#x ",
1733                       data->hints, data->extensions);
1734         return len + perf_sample__fprintf_pt_spacing(len, fp);
1735 }
1736
1737 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1738 {
1739         struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1740         int len;
1741
1742         if (perf_sample__bad_synth_size(sample, *data))
1743                 return 0;
1744
1745         len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1746                       data->hw, data->cstate, data->subcstate);
1747         return len + perf_sample__fprintf_pt_spacing(len, fp);
1748 }
1749
1750 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1751 {
1752         struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1753         int len;
1754
1755         if (perf_sample__bad_synth_size(sample, *data))
1756                 return 0;
1757
1758         len = fprintf(fp, " IP: %u ", data->ip);
1759         return len + perf_sample__fprintf_pt_spacing(len, fp);
1760 }
1761
1762 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1763 {
1764         struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1765         int len;
1766
1767         if (perf_sample__bad_synth_size(sample, *data))
1768                 return 0;
1769
1770         len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1771                      data->deepest_cstate, data->last_cstate,
1772                      data->wake_reason);
1773         return len + perf_sample__fprintf_pt_spacing(len, fp);
1774 }
1775
1776 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1777 {
1778         struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1779         unsigned int percent, freq;
1780         int len;
1781
1782         if (perf_sample__bad_synth_size(sample, *data))
1783                 return 0;
1784
1785         freq = (le32_to_cpu(data->freq) + 500) / 1000;
1786         len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1787         if (data->max_nonturbo) {
1788                 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1789                 len += fprintf(fp, "(%3u%%) ", percent);
1790         }
1791         return len + perf_sample__fprintf_pt_spacing(len, fp);
1792 }
1793
1794 static int perf_sample__fprintf_synth_psb(struct perf_sample *sample, FILE *fp)
1795 {
1796         struct perf_synth_intel_psb *data = perf_sample__synth_ptr(sample);
1797         int len;
1798
1799         if (perf_sample__bad_synth_size(sample, *data))
1800                 return 0;
1801
1802         len = fprintf(fp, " psb offs: %#" PRIx64, data->offset);
1803         return len + perf_sample__fprintf_pt_spacing(len, fp);
1804 }
1805
1806 static int perf_sample__fprintf_synth(struct perf_sample *sample,
1807                                       struct evsel *evsel, FILE *fp)
1808 {
1809         switch (evsel->core.attr.config) {
1810         case PERF_SYNTH_INTEL_PTWRITE:
1811                 return perf_sample__fprintf_synth_ptwrite(sample, fp);
1812         case PERF_SYNTH_INTEL_MWAIT:
1813                 return perf_sample__fprintf_synth_mwait(sample, fp);
1814         case PERF_SYNTH_INTEL_PWRE:
1815                 return perf_sample__fprintf_synth_pwre(sample, fp);
1816         case PERF_SYNTH_INTEL_EXSTOP:
1817                 return perf_sample__fprintf_synth_exstop(sample, fp);
1818         case PERF_SYNTH_INTEL_PWRX:
1819                 return perf_sample__fprintf_synth_pwrx(sample, fp);
1820         case PERF_SYNTH_INTEL_CBR:
1821                 return perf_sample__fprintf_synth_cbr(sample, fp);
1822         case PERF_SYNTH_INTEL_PSB:
1823                 return perf_sample__fprintf_synth_psb(sample, fp);
1824         default:
1825                 break;
1826         }
1827
1828         return 0;
1829 }
1830
1831 static int evlist__max_name_len(struct evlist *evlist)
1832 {
1833         struct evsel *evsel;
1834         int max = 0;
1835
1836         evlist__for_each_entry(evlist, evsel) {
1837                 int len = strlen(evsel__name(evsel));
1838
1839                 max = MAX(len, max);
1840         }
1841
1842         return max;
1843 }
1844
1845 static int data_src__fprintf(u64 data_src, FILE *fp)
1846 {
1847         struct mem_info mi = { .data_src.val = data_src };
1848         char decode[100];
1849         char out[100];
1850         static int maxlen;
1851         int len;
1852
1853         perf_script__meminfo_scnprintf(decode, 100, &mi);
1854
1855         len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
1856         if (maxlen < len)
1857                 maxlen = len;
1858
1859         return fprintf(fp, "%-*s", maxlen, out);
1860 }
1861
1862 struct metric_ctx {
1863         struct perf_sample      *sample;
1864         struct thread           *thread;
1865         struct evsel    *evsel;
1866         FILE                    *fp;
1867 };
1868
1869 static void script_print_metric(struct perf_stat_config *config __maybe_unused,
1870                                 void *ctx, const char *color,
1871                                 const char *fmt,
1872                                 const char *unit, double val)
1873 {
1874         struct metric_ctx *mctx = ctx;
1875
1876         if (!fmt)
1877                 return;
1878         perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
1879                                    PERF_RECORD_SAMPLE, mctx->fp);
1880         fputs("\tmetric: ", mctx->fp);
1881         if (color)
1882                 color_fprintf(mctx->fp, color, fmt, val);
1883         else
1884                 printf(fmt, val);
1885         fprintf(mctx->fp, " %s\n", unit);
1886 }
1887
1888 static void script_new_line(struct perf_stat_config *config __maybe_unused,
1889                             void *ctx)
1890 {
1891         struct metric_ctx *mctx = ctx;
1892
1893         perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
1894                                    PERF_RECORD_SAMPLE, mctx->fp);
1895         fputs("\tmetric: ", mctx->fp);
1896 }
1897
1898 static void perf_sample__fprint_metric(struct perf_script *script,
1899                                        struct thread *thread,
1900                                        struct evsel *evsel,
1901                                        struct perf_sample *sample,
1902                                        FILE *fp)
1903 {
1904         struct evsel *leader = evsel__leader(evsel);
1905         struct perf_stat_output_ctx ctx = {
1906                 .print_metric = script_print_metric,
1907                 .new_line = script_new_line,
1908                 .ctx = &(struct metric_ctx) {
1909                                 .sample = sample,
1910                                 .thread = thread,
1911                                 .evsel  = evsel,
1912                                 .fp     = fp,
1913                          },
1914                 .force_header = false,
1915         };
1916         struct evsel *ev2;
1917         u64 val;
1918
1919         if (!evsel->stats)
1920                 evlist__alloc_stats(script->session->evlist, false);
1921         if (evsel_script(leader)->gnum++ == 0)
1922                 perf_stat__reset_shadow_stats();
1923         val = sample->period * evsel->scale;
1924         perf_stat__update_shadow_stats(evsel,
1925                                        val,
1926                                        sample->cpu,
1927                                        &rt_stat);
1928         evsel_script(evsel)->val = val;
1929         if (evsel_script(leader)->gnum == leader->core.nr_members) {
1930                 for_each_group_member (ev2, leader) {
1931                         perf_stat__print_shadow_stats(&stat_config, ev2,
1932                                                       evsel_script(ev2)->val,
1933                                                       sample->cpu,
1934                                                       &ctx,
1935                                                       NULL,
1936                                                       &rt_stat);
1937                 }
1938                 evsel_script(leader)->gnum = 0;
1939         }
1940 }
1941
1942 static bool show_event(struct perf_sample *sample,
1943                        struct evsel *evsel,
1944                        struct thread *thread,
1945                        struct addr_location *al,
1946                        struct addr_location *addr_al)
1947 {
1948         int depth = thread_stack__depth(thread, sample->cpu);
1949
1950         if (!symbol_conf.graph_function)
1951                 return true;
1952
1953         if (thread->filter) {
1954                 if (depth <= thread->filter_entry_depth) {
1955                         thread->filter = false;
1956                         return false;
1957                 }
1958                 return true;
1959         } else {
1960                 const char *s = symbol_conf.graph_function;
1961                 u64 ip;
1962                 const char *name = resolve_branch_sym(sample, evsel, thread, al, addr_al,
1963                                 &ip);
1964                 unsigned nlen;
1965
1966                 if (!name)
1967                         return false;
1968                 nlen = strlen(name);
1969                 while (*s) {
1970                         unsigned len = strcspn(s, ",");
1971                         if (nlen == len && !strncmp(name, s, len)) {
1972                                 thread->filter = true;
1973                                 thread->filter_entry_depth = depth;
1974                                 return true;
1975                         }
1976                         s += len;
1977                         if (*s == ',')
1978                                 s++;
1979                 }
1980                 return false;
1981         }
1982 }
1983
1984 static void process_event(struct perf_script *script,
1985                           struct perf_sample *sample, struct evsel *evsel,
1986                           struct addr_location *al,
1987                           struct addr_location *addr_al,
1988                           struct machine *machine)
1989 {
1990         struct thread *thread = al->thread;
1991         struct perf_event_attr *attr = &evsel->core.attr;
1992         unsigned int type = output_type(attr->type);
1993         struct evsel_script *es = evsel->priv;
1994         FILE *fp = es->fp;
1995         char str[PAGE_SIZE_NAME_LEN];
1996
1997         if (output[type].fields == 0)
1998                 return;
1999
2000         ++es->samples;
2001
2002         perf_sample__fprintf_start(script, sample, thread, evsel,
2003                                    PERF_RECORD_SAMPLE, fp);
2004
2005         if (PRINT_FIELD(PERIOD))
2006                 fprintf(fp, "%10" PRIu64 " ", sample->period);
2007
2008         if (PRINT_FIELD(EVNAME)) {
2009                 const char *evname = evsel__name(evsel);
2010
2011                 if (!script->name_width)
2012                         script->name_width = evlist__max_name_len(script->session->evlist);
2013
2014                 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
2015         }
2016
2017         if (print_flags)
2018                 perf_sample__fprintf_flags(sample->flags, fp);
2019
2020         if (is_bts_event(attr)) {
2021                 perf_sample__fprintf_bts(sample, evsel, thread, al, addr_al, machine, fp);
2022                 return;
2023         }
2024
2025         if (PRINT_FIELD(TRACE) && sample->raw_data) {
2026                 event_format__fprintf(evsel->tp_format, sample->cpu,
2027                                       sample->raw_data, sample->raw_size, fp);
2028         }
2029
2030         if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
2031                 perf_sample__fprintf_synth(sample, evsel, fp);
2032
2033         if (PRINT_FIELD(ADDR))
2034                 perf_sample__fprintf_addr(sample, thread, attr, fp);
2035
2036         if (PRINT_FIELD(DATA_SRC))
2037                 data_src__fprintf(sample->data_src, fp);
2038
2039         if (PRINT_FIELD(WEIGHT))
2040                 fprintf(fp, "%16" PRIu64, sample->weight);
2041
2042         if (PRINT_FIELD(IP)) {
2043                 struct callchain_cursor *cursor = NULL;
2044
2045                 if (script->stitch_lbr)
2046                         al->thread->lbr_stitch_enable = true;
2047
2048                 if (symbol_conf.use_callchain && sample->callchain &&
2049                     thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
2050                                               sample, NULL, NULL, scripting_max_stack) == 0)
2051                         cursor = &callchain_cursor;
2052
2053                 fputc(cursor ? '\n' : ' ', fp);
2054                 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor,
2055                                     symbol_conf.bt_stop_list, fp);
2056         }
2057
2058         if (PRINT_FIELD(IREGS))
2059                 perf_sample__fprintf_iregs(sample, attr, fp);
2060
2061         if (PRINT_FIELD(UREGS))
2062                 perf_sample__fprintf_uregs(sample, attr, fp);
2063
2064         if (PRINT_FIELD(BRSTACK))
2065                 perf_sample__fprintf_brstack(sample, thread, attr, fp);
2066         else if (PRINT_FIELD(BRSTACKSYM))
2067                 perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
2068         else if (PRINT_FIELD(BRSTACKOFF))
2069                 perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
2070
2071         if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
2072                 perf_sample__fprintf_bpf_output(sample, fp);
2073         perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
2074
2075         if (PRINT_FIELD(PHYS_ADDR))
2076                 fprintf(fp, "%16" PRIx64, sample->phys_addr);
2077
2078         if (PRINT_FIELD(DATA_PAGE_SIZE))
2079                 fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str));
2080
2081         if (PRINT_FIELD(CODE_PAGE_SIZE))
2082                 fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str));
2083
2084         perf_sample__fprintf_ipc(sample, attr, fp);
2085
2086         fprintf(fp, "\n");
2087
2088         if (PRINT_FIELD(SRCCODE)) {
2089                 if (map__fprintf_srccode(al->map, al->addr, stdout,
2090                                          &thread->srccode_state))
2091                         printf("\n");
2092         }
2093
2094         if (PRINT_FIELD(METRIC))
2095                 perf_sample__fprint_metric(script, thread, evsel, sample, fp);
2096
2097         if (verbose)
2098                 fflush(fp);
2099 }
2100
2101 static struct scripting_ops     *scripting_ops;
2102
2103 static void __process_stat(struct evsel *counter, u64 tstamp)
2104 {
2105         int nthreads = perf_thread_map__nr(counter->core.threads);
2106         int ncpus = evsel__nr_cpus(counter);
2107         int cpu, thread;
2108         static int header_printed;
2109
2110         if (counter->core.system_wide)
2111                 nthreads = 1;
2112
2113         if (!header_printed) {
2114                 printf("%3s %8s %15s %15s %15s %15s %s\n",
2115                        "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
2116                 header_printed = 1;
2117         }
2118
2119         for (thread = 0; thread < nthreads; thread++) {
2120                 for (cpu = 0; cpu < ncpus; cpu++) {
2121                         struct perf_counts_values *counts;
2122
2123                         counts = perf_counts(counter->counts, cpu, thread);
2124
2125                         printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
2126                                 counter->core.cpus->map[cpu],
2127                                 perf_thread_map__pid(counter->core.threads, thread),
2128                                 counts->val,
2129                                 counts->ena,
2130                                 counts->run,
2131                                 tstamp,
2132                                 evsel__name(counter));
2133                 }
2134         }
2135 }
2136
2137 static void process_stat(struct evsel *counter, u64 tstamp)
2138 {
2139         if (scripting_ops && scripting_ops->process_stat)
2140                 scripting_ops->process_stat(&stat_config, counter, tstamp);
2141         else
2142                 __process_stat(counter, tstamp);
2143 }
2144
2145 static void process_stat_interval(u64 tstamp)
2146 {
2147         if (scripting_ops && scripting_ops->process_stat_interval)
2148                 scripting_ops->process_stat_interval(tstamp);
2149 }
2150
2151 static void setup_scripting(void)
2152 {
2153         setup_perl_scripting();
2154         setup_python_scripting();
2155 }
2156
2157 static int flush_scripting(void)
2158 {
2159         return scripting_ops ? scripting_ops->flush_script() : 0;
2160 }
2161
2162 static int cleanup_scripting(void)
2163 {
2164         pr_debug("\nperf script stopped\n");
2165
2166         return scripting_ops ? scripting_ops->stop_script() : 0;
2167 }
2168
2169 static bool filter_cpu(struct perf_sample *sample)
2170 {
2171         if (cpu_list && sample->cpu != (u32)-1)
2172                 return !test_bit(sample->cpu, cpu_bitmap);
2173         return false;
2174 }
2175
2176 static int process_sample_event(struct perf_tool *tool,
2177                                 union perf_event *event,
2178                                 struct perf_sample *sample,
2179                                 struct evsel *evsel,
2180                                 struct machine *machine)
2181 {
2182         struct perf_script *scr = container_of(tool, struct perf_script, tool);
2183         struct addr_location al;
2184         struct addr_location addr_al;
2185         int ret = 0;
2186
2187         /* Set thread to NULL to indicate addr_al and al are not initialized */
2188         addr_al.thread = NULL;
2189         al.thread = NULL;
2190
2191         ret = dlfilter__filter_event_early(dlfilter, event, sample, evsel, machine, &al, &addr_al);
2192         if (ret) {
2193                 if (ret > 0)
2194                         ret = 0;
2195                 goto out_put;
2196         }
2197
2198         if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
2199                                           sample->time)) {
2200                 goto out_put;
2201         }
2202
2203         if (debug_mode) {
2204                 if (sample->time < last_timestamp) {
2205                         pr_err("Samples misordered, previous: %" PRIu64
2206                                 " this: %" PRIu64 "\n", last_timestamp,
2207                                 sample->time);
2208                         nr_unordered++;
2209                 }
2210                 last_timestamp = sample->time;
2211                 goto out_put;
2212         }
2213
2214         if (filter_cpu(sample))
2215                 goto out_put;
2216
2217         if (!al.thread && machine__resolve(machine, &al, sample) < 0) {
2218                 pr_err("problem processing %d event, skipping it.\n",
2219                        event->header.type);
2220                 ret = -1;
2221                 goto out_put;
2222         }
2223
2224         if (al.filtered)
2225                 goto out_put;
2226
2227         if (!show_event(sample, evsel, al.thread, &al, &addr_al))
2228                 goto out_put;
2229
2230         if (evswitch__discard(&scr->evswitch, evsel))
2231                 goto out_put;
2232
2233         ret = dlfilter__filter_event(dlfilter, event, sample, evsel, machine, &al, &addr_al);
2234         if (ret) {
2235                 if (ret > 0)
2236                         ret = 0;
2237                 goto out_put;
2238         }
2239
2240         if (scripting_ops) {
2241                 struct addr_location *addr_al_ptr = NULL;
2242
2243                 if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
2244                     sample_addr_correlates_sym(&evsel->core.attr)) {
2245                         if (!addr_al.thread)
2246                                 thread__resolve(al.thread, &addr_al, sample);
2247                         addr_al_ptr = &addr_al;
2248                 }
2249                 scripting_ops->process_event(event, sample, evsel, &al, addr_al_ptr);
2250         } else {
2251                 process_event(scr, sample, evsel, &al, &addr_al, machine);
2252         }
2253
2254 out_put:
2255         if (al.thread)
2256                 addr_location__put(&al);
2257         return ret;
2258 }
2259
2260 static int process_attr(struct perf_tool *tool, union perf_event *event,
2261                         struct evlist **pevlist)
2262 {
2263         struct perf_script *scr = container_of(tool, struct perf_script, tool);
2264         struct evlist *evlist;
2265         struct evsel *evsel, *pos;
2266         u64 sample_type;
2267         int err;
2268         static struct evsel_script *es;
2269
2270         err = perf_event__process_attr(tool, event, pevlist);
2271         if (err)
2272                 return err;
2273
2274         evlist = *pevlist;
2275         evsel = evlist__last(*pevlist);
2276
2277         if (!evsel->priv) {
2278                 if (scr->per_event_dump) {
2279                         evsel->priv = evsel_script__new(evsel, scr->session->data);
2280                 } else {
2281                         es = zalloc(sizeof(*es));
2282                         if (!es)
2283                                 return -ENOMEM;
2284                         es->fp = stdout;
2285                         evsel->priv = es;
2286                 }
2287         }
2288
2289         if (evsel->core.attr.type >= PERF_TYPE_MAX &&
2290             evsel->core.attr.type != PERF_TYPE_SYNTH)
2291                 return 0;
2292
2293         evlist__for_each_entry(evlist, pos) {
2294                 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel)
2295                         return 0;
2296         }
2297
2298         if (evsel->core.attr.sample_type) {
2299                 err = evsel__check_attr(evsel, scr->session);
2300                 if (err)
2301                         return err;
2302         }
2303
2304         /*
2305          * Check if we need to enable callchains based
2306          * on events sample_type.
2307          */
2308         sample_type = evlist__combined_sample_type(evlist);
2309         callchain_param_setup(sample_type);
2310
2311         /* Enable fields for callchain entries */
2312         if (symbol_conf.use_callchain &&
2313             (sample_type & PERF_SAMPLE_CALLCHAIN ||
2314              sample_type & PERF_SAMPLE_BRANCH_STACK ||
2315              (sample_type & PERF_SAMPLE_REGS_USER &&
2316               sample_type & PERF_SAMPLE_STACK_USER))) {
2317                 int type = output_type(evsel->core.attr.type);
2318
2319                 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP))
2320                         output[type].fields |= PERF_OUTPUT_IP;
2321                 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM))
2322                         output[type].fields |= PERF_OUTPUT_SYM;
2323         }
2324         set_print_ip_opts(&evsel->core.attr);
2325         return 0;
2326 }
2327
2328 static int print_event_with_time(struct perf_tool *tool,
2329                                  union perf_event *event,
2330                                  struct perf_sample *sample,
2331                                  struct machine *machine,
2332                                  pid_t pid, pid_t tid, u64 timestamp)
2333 {
2334         struct perf_script *script = container_of(tool, struct perf_script, tool);
2335         struct perf_session *session = script->session;
2336         struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id);
2337         struct thread *thread = NULL;
2338
2339         if (evsel && !evsel->core.attr.sample_id_all) {
2340                 sample->cpu = 0;
2341                 sample->time = timestamp;
2342                 sample->pid = pid;
2343                 sample->tid = tid;
2344         }
2345
2346         if (filter_cpu(sample))
2347                 return 0;
2348
2349         if (tid != -1)
2350                 thread = machine__findnew_thread(machine, pid, tid);
2351
2352         if (evsel) {
2353                 perf_sample__fprintf_start(script, sample, thread, evsel,
2354                                            event->header.type, stdout);
2355         }
2356
2357         perf_event__fprintf(event, machine, stdout);
2358
2359         thread__put(thread);
2360
2361         return 0;
2362 }
2363
2364 static int print_event(struct perf_tool *tool, union perf_event *event,
2365                        struct perf_sample *sample, struct machine *machine,
2366                        pid_t pid, pid_t tid)
2367 {
2368         return print_event_with_time(tool, event, sample, machine, pid, tid, 0);
2369 }
2370
2371 static int process_comm_event(struct perf_tool *tool,
2372                               union perf_event *event,
2373                               struct perf_sample *sample,
2374                               struct machine *machine)
2375 {
2376         if (perf_event__process_comm(tool, event, sample, machine) < 0)
2377                 return -1;
2378
2379         return print_event(tool, event, sample, machine, event->comm.pid,
2380                            event->comm.tid);
2381 }
2382
2383 static int process_namespaces_event(struct perf_tool *tool,
2384                                     union perf_event *event,
2385                                     struct perf_sample *sample,
2386                                     struct machine *machine)
2387 {
2388         if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
2389                 return -1;
2390
2391         return print_event(tool, event, sample, machine, event->namespaces.pid,
2392                            event->namespaces.tid);
2393 }
2394
2395 static int process_cgroup_event(struct perf_tool *tool,
2396                                 union perf_event *event,
2397                                 struct perf_sample *sample,
2398                                 struct machine *machine)
2399 {
2400         if (perf_event__process_cgroup(tool, event, sample, machine) < 0)
2401                 return -1;
2402
2403         return print_event(tool, event, sample, machine, sample->pid,
2404                             sample->tid);
2405 }
2406
2407 static int process_fork_event(struct perf_tool *tool,
2408                               union perf_event *event,
2409                               struct perf_sample *sample,
2410                               struct machine *machine)
2411 {
2412         if (perf_event__process_fork(tool, event, sample, machine) < 0)
2413                 return -1;
2414
2415         return print_event_with_time(tool, event, sample, machine,
2416                                      event->fork.pid, event->fork.tid,
2417                                      event->fork.time);
2418 }
2419 static int process_exit_event(struct perf_tool *tool,
2420                               union perf_event *event,
2421                               struct perf_sample *sample,
2422                               struct machine *machine)
2423 {
2424         /* Print before 'exit' deletes anything */
2425         if (print_event_with_time(tool, event, sample, machine, event->fork.pid,
2426                                   event->fork.tid, event->fork.time))
2427                 return -1;
2428
2429         return perf_event__process_exit(tool, event, sample, machine);
2430 }
2431
2432 static int process_mmap_event(struct perf_tool *tool,
2433                               union perf_event *event,
2434                               struct perf_sample *sample,
2435                               struct machine *machine)
2436 {
2437         if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2438                 return -1;
2439
2440         return print_event(tool, event, sample, machine, event->mmap.pid,
2441                            event->mmap.tid);
2442 }
2443
2444 static int process_mmap2_event(struct perf_tool *tool,
2445                               union perf_event *event,
2446                               struct perf_sample *sample,
2447                               struct machine *machine)
2448 {
2449         if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2450                 return -1;
2451
2452         return print_event(tool, event, sample, machine, event->mmap2.pid,
2453                            event->mmap2.tid);
2454 }
2455
2456 static int process_switch_event(struct perf_tool *tool,
2457                                 union perf_event *event,
2458                                 struct perf_sample *sample,
2459                                 struct machine *machine)
2460 {
2461         struct perf_script *script = container_of(tool, struct perf_script, tool);
2462
2463         if (perf_event__process_switch(tool, event, sample, machine) < 0)
2464                 return -1;
2465
2466         if (scripting_ops && scripting_ops->process_switch)
2467                 scripting_ops->process_switch(event, sample, machine);
2468
2469         if (!script->show_switch_events)
2470                 return 0;
2471
2472         return print_event(tool, event, sample, machine, sample->pid,
2473                            sample->tid);
2474 }
2475
2476 static int process_auxtrace_error(struct perf_session *session,
2477                                   union perf_event *event)
2478 {
2479         if (scripting_ops && scripting_ops->process_auxtrace_error) {
2480                 scripting_ops->process_auxtrace_error(session, event);
2481                 return 0;
2482         }
2483
2484         return perf_event__process_auxtrace_error(session, event);
2485 }
2486
2487 static int
2488 process_lost_event(struct perf_tool *tool,
2489                    union perf_event *event,
2490                    struct perf_sample *sample,
2491                    struct machine *machine)
2492 {
2493         return print_event(tool, event, sample, machine, sample->pid,
2494                            sample->tid);
2495 }
2496
2497 static int
2498 process_throttle_event(struct perf_tool *tool __maybe_unused,
2499                        union perf_event *event,
2500                        struct perf_sample *sample,
2501                        struct machine *machine)
2502 {
2503         if (scripting_ops && scripting_ops->process_throttle)
2504                 scripting_ops->process_throttle(event, sample, machine);
2505         return 0;
2506 }
2507
2508 static int
2509 process_finished_round_event(struct perf_tool *tool __maybe_unused,
2510                              union perf_event *event,
2511                              struct ordered_events *oe __maybe_unused)
2512
2513 {
2514         perf_event__fprintf(event, NULL, stdout);
2515         return 0;
2516 }
2517
2518 static int
2519 process_bpf_events(struct perf_tool *tool __maybe_unused,
2520                    union perf_event *event,
2521                    struct perf_sample *sample,
2522                    struct machine *machine)
2523 {
2524         if (machine__process_ksymbol(machine, event, sample) < 0)
2525                 return -1;
2526
2527         return print_event(tool, event, sample, machine, sample->pid,
2528                            sample->tid);
2529 }
2530
2531 static int process_text_poke_events(struct perf_tool *tool,
2532                                     union perf_event *event,
2533                                     struct perf_sample *sample,
2534                                     struct machine *machine)
2535 {
2536         if (perf_event__process_text_poke(tool, event, sample, machine) < 0)
2537                 return -1;
2538
2539         return print_event(tool, event, sample, machine, sample->pid,
2540                            sample->tid);
2541 }
2542
2543 static void sig_handler(int sig __maybe_unused)
2544 {
2545         session_done = 1;
2546 }
2547
2548 static void perf_script__fclose_per_event_dump(struct perf_script *script)
2549 {
2550         struct evlist *evlist = script->session->evlist;
2551         struct evsel *evsel;
2552
2553         evlist__for_each_entry(evlist, evsel) {
2554                 if (!evsel->priv)
2555                         break;
2556                 evsel_script__delete(evsel->priv);
2557                 evsel->priv = NULL;
2558         }
2559 }
2560
2561 static int perf_script__fopen_per_event_dump(struct perf_script *script)
2562 {
2563         struct evsel *evsel;
2564
2565         evlist__for_each_entry(script->session->evlist, evsel) {
2566                 /*
2567                  * Already setup? I.e. we may be called twice in cases like
2568                  * Intel PT, one for the intel_pt// and dummy events, then
2569                  * for the evsels synthesized from the auxtrace info.
2570                  *
2571                  * Ses perf_script__process_auxtrace_info.
2572                  */
2573                 if (evsel->priv != NULL)
2574                         continue;
2575
2576                 evsel->priv = evsel_script__new(evsel, script->session->data);
2577                 if (evsel->priv == NULL)
2578                         goto out_err_fclose;
2579         }
2580
2581         return 0;
2582
2583 out_err_fclose:
2584         perf_script__fclose_per_event_dump(script);
2585         return -1;
2586 }
2587
2588 static int perf_script__setup_per_event_dump(struct perf_script *script)
2589 {
2590         struct evsel *evsel;
2591         static struct evsel_script es_stdout;
2592
2593         if (script->per_event_dump)
2594                 return perf_script__fopen_per_event_dump(script);
2595
2596         es_stdout.fp = stdout;
2597
2598         evlist__for_each_entry(script->session->evlist, evsel)
2599                 evsel->priv = &es_stdout;
2600
2601         return 0;
2602 }
2603
2604 static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2605 {
2606         struct evsel *evsel;
2607
2608         evlist__for_each_entry(script->session->evlist, evsel) {
2609                 struct evsel_script *es = evsel->priv;
2610
2611                 evsel_script__fprintf(es, stdout);
2612                 evsel_script__delete(es);
2613                 evsel->priv = NULL;
2614         }
2615 }
2616
2617 static void perf_script__exit(struct perf_script *script)
2618 {
2619         perf_thread_map__put(script->threads);
2620         perf_cpu_map__put(script->cpus);
2621 }
2622
2623 static int __cmd_script(struct perf_script *script)
2624 {
2625         int ret;
2626
2627         signal(SIGINT, sig_handler);
2628
2629         perf_stat__init_shadow_stats();
2630
2631         /* override event processing functions */
2632         if (script->show_task_events) {
2633                 script->tool.comm = process_comm_event;
2634                 script->tool.fork = process_fork_event;
2635                 script->tool.exit = process_exit_event;
2636         }
2637         if (script->show_mmap_events) {
2638                 script->tool.mmap = process_mmap_event;
2639                 script->tool.mmap2 = process_mmap2_event;
2640         }
2641         if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch))
2642                 script->tool.context_switch = process_switch_event;
2643         if (scripting_ops && scripting_ops->process_auxtrace_error)
2644                 script->tool.auxtrace_error = process_auxtrace_error;
2645         if (script->show_namespace_events)
2646                 script->tool.namespaces = process_namespaces_event;
2647         if (script->show_cgroup_events)
2648                 script->tool.cgroup = process_cgroup_event;
2649         if (script->show_lost_events)
2650                 script->tool.lost = process_lost_event;
2651         if (script->show_round_events) {
2652                 script->tool.ordered_events = false;
2653                 script->tool.finished_round = process_finished_round_event;
2654         }
2655         if (script->show_bpf_events) {
2656                 script->tool.ksymbol = process_bpf_events;
2657                 script->tool.bpf     = process_bpf_events;
2658         }
2659         if (script->show_text_poke_events) {
2660                 script->tool.ksymbol   = process_bpf_events;
2661                 script->tool.text_poke = process_text_poke_events;
2662         }
2663
2664         if (perf_script__setup_per_event_dump(script)) {
2665                 pr_err("Couldn't create the per event dump files\n");
2666                 return -1;
2667         }
2668
2669         ret = perf_session__process_events(script->session);
2670
2671         if (script->per_event_dump)
2672                 perf_script__exit_per_event_dump_stats(script);
2673
2674         if (debug_mode)
2675                 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2676
2677         return ret;
2678 }
2679
2680 struct script_spec {
2681         struct list_head        node;
2682         struct scripting_ops    *ops;
2683         char                    spec[];
2684 };
2685
2686 static LIST_HEAD(script_specs);
2687
2688 static struct script_spec *script_spec__new(const char *spec,
2689                                             struct scripting_ops *ops)
2690 {
2691         struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2692
2693         if (s != NULL) {
2694                 strcpy(s->spec, spec);
2695                 s->ops = ops;
2696         }
2697
2698         return s;
2699 }
2700
2701 static void script_spec__add(struct script_spec *s)
2702 {
2703         list_add_tail(&s->node, &script_specs);
2704 }
2705
2706 static struct script_spec *script_spec__find(const char *spec)
2707 {
2708         struct script_spec *s;
2709
2710         list_for_each_entry(s, &script_specs, node)
2711                 if (strcasecmp(s->spec, spec) == 0)
2712                         return s;
2713         return NULL;
2714 }
2715
2716 int script_spec_register(const char *spec, struct scripting_ops *ops)
2717 {
2718         struct script_spec *s;
2719
2720         s = script_spec__find(spec);
2721         if (s)
2722                 return -1;
2723
2724         s = script_spec__new(spec, ops);
2725         if (!s)
2726                 return -1;
2727         else
2728                 script_spec__add(s);
2729
2730         return 0;
2731 }
2732
2733 static struct scripting_ops *script_spec__lookup(const char *spec)
2734 {
2735         struct script_spec *s = script_spec__find(spec);
2736         if (!s)
2737                 return NULL;
2738
2739         return s->ops;
2740 }
2741
2742 static void list_available_languages(void)
2743 {
2744         struct script_spec *s;
2745
2746         fprintf(stderr, "\n");
2747         fprintf(stderr, "Scripting language extensions (used in "
2748                 "perf script -s [spec:]script.[spec]):\n\n");
2749
2750         list_for_each_entry(s, &script_specs, node)
2751                 fprintf(stderr, "  %-42s [%s]\n", s->spec, s->ops->name);
2752
2753         fprintf(stderr, "\n");
2754 }
2755
2756 /* Find script file relative to current directory or exec path */
2757 static char *find_script(const char *script)
2758 {
2759         char path[PATH_MAX];
2760
2761         if (!scripting_ops) {
2762                 const char *ext = strrchr(script, '.');
2763
2764                 if (!ext)
2765                         return NULL;
2766
2767                 scripting_ops = script_spec__lookup(++ext);
2768                 if (!scripting_ops)
2769                         return NULL;
2770         }
2771
2772         if (access(script, R_OK)) {
2773                 char *exec_path = get_argv_exec_path();
2774
2775                 if (!exec_path)
2776                         return NULL;
2777                 snprintf(path, sizeof(path), "%s/scripts/%s/%s",
2778                          exec_path, scripting_ops->dirname, script);
2779                 free(exec_path);
2780                 script = path;
2781                 if (access(script, R_OK))
2782                         return NULL;
2783         }
2784         return strdup(script);
2785 }
2786
2787 static int parse_scriptname(const struct option *opt __maybe_unused,
2788                             const char *str, int unset __maybe_unused)
2789 {
2790         char spec[PATH_MAX];
2791         const char *script, *ext;
2792         int len;
2793
2794         if (strcmp(str, "lang") == 0) {
2795                 list_available_languages();
2796                 exit(0);
2797         }
2798
2799         script = strchr(str, ':');
2800         if (script) {
2801                 len = script - str;
2802                 if (len >= PATH_MAX) {
2803                         fprintf(stderr, "invalid language specifier");
2804                         return -1;
2805                 }
2806                 strncpy(spec, str, len);
2807                 spec[len] = '\0';
2808                 scripting_ops = script_spec__lookup(spec);
2809                 if (!scripting_ops) {
2810                         fprintf(stderr, "invalid language specifier");
2811                         return -1;
2812                 }
2813                 script++;
2814         } else {
2815                 script = str;
2816                 ext = strrchr(script, '.');
2817                 if (!ext) {
2818                         fprintf(stderr, "invalid script extension");
2819                         return -1;
2820                 }
2821                 scripting_ops = script_spec__lookup(++ext);
2822                 if (!scripting_ops) {
2823                         fprintf(stderr, "invalid script extension");
2824                         return -1;
2825                 }
2826         }
2827
2828         script_name = find_script(script);
2829         if (!script_name)
2830                 script_name = strdup(script);
2831
2832         return 0;
2833 }
2834
2835 static int parse_output_fields(const struct option *opt __maybe_unused,
2836                             const char *arg, int unset __maybe_unused)
2837 {
2838         char *tok, *strtok_saveptr = NULL;
2839         int i, imax = ARRAY_SIZE(all_output_options);
2840         int j;
2841         int rc = 0;
2842         char *str = strdup(arg);
2843         int type = -1;
2844         enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
2845
2846         if (!str)
2847                 return -ENOMEM;
2848
2849         /* first word can state for which event type the user is specifying
2850          * the fields. If no type exists, the specified fields apply to all
2851          * event types found in the file minus the invalid fields for a type.
2852          */
2853         tok = strchr(str, ':');
2854         if (tok) {
2855                 *tok = '\0';
2856                 tok++;
2857                 if (!strcmp(str, "hw"))
2858                         type = PERF_TYPE_HARDWARE;
2859                 else if (!strcmp(str, "sw"))
2860                         type = PERF_TYPE_SOFTWARE;
2861                 else if (!strcmp(str, "trace"))
2862                         type = PERF_TYPE_TRACEPOINT;
2863                 else if (!strcmp(str, "raw"))
2864                         type = PERF_TYPE_RAW;
2865                 else if (!strcmp(str, "break"))
2866                         type = PERF_TYPE_BREAKPOINT;
2867                 else if (!strcmp(str, "synth"))
2868                         type = OUTPUT_TYPE_SYNTH;
2869                 else {
2870                         fprintf(stderr, "Invalid event type in field string.\n");
2871                         rc = -EINVAL;
2872                         goto out;
2873                 }
2874
2875                 if (output[type].user_set)
2876                         pr_warning("Overriding previous field request for %s events.\n",
2877                                    event_type(type));
2878
2879                 /* Don't override defaults for +- */
2880                 if (strchr(tok, '+') || strchr(tok, '-'))
2881                         goto parse;
2882
2883                 output[type].fields = 0;
2884                 output[type].user_set = true;
2885                 output[type].wildcard_set = false;
2886
2887         } else {
2888                 tok = str;
2889                 if (strlen(str) == 0) {
2890                         fprintf(stderr,
2891                                 "Cannot set fields to 'none' for all event types.\n");
2892                         rc = -EINVAL;
2893                         goto out;
2894                 }
2895
2896                 /* Don't override defaults for +- */
2897                 if (strchr(str, '+') || strchr(str, '-'))
2898                         goto parse;
2899
2900                 if (output_set_by_user())
2901                         pr_warning("Overriding previous field request for all events.\n");
2902
2903                 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2904                         output[j].fields = 0;
2905                         output[j].user_set = true;
2906                         output[j].wildcard_set = true;
2907                 }
2908         }
2909
2910 parse:
2911         for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
2912                 if (*tok == '+') {
2913                         if (change == SET)
2914                                 goto out_badmix;
2915                         change = ADD;
2916                         tok++;
2917                 } else if (*tok == '-') {
2918                         if (change == SET)
2919                                 goto out_badmix;
2920                         change = REMOVE;
2921                         tok++;
2922                 } else {
2923                         if (change != SET && change != DEFAULT)
2924                                 goto out_badmix;
2925                         change = SET;
2926                 }
2927
2928                 for (i = 0; i < imax; ++i) {
2929                         if (strcmp(tok, all_output_options[i].str) == 0)
2930                                 break;
2931                 }
2932                 if (i == imax && strcmp(tok, "flags") == 0) {
2933                         print_flags = change != REMOVE;
2934                         continue;
2935                 }
2936                 if (i == imax) {
2937                         fprintf(stderr, "Invalid field requested.\n");
2938                         rc = -EINVAL;
2939                         goto out;
2940                 }
2941
2942                 if (type == -1) {
2943                         /* add user option to all events types for
2944                          * which it is valid
2945                          */
2946                         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2947                                 if (output[j].invalid_fields & all_output_options[i].field) {
2948                                         pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
2949                                                    all_output_options[i].str, event_type(j));
2950                                 } else {
2951                                         if (change == REMOVE) {
2952                                                 output[j].fields &= ~all_output_options[i].field;
2953                                                 output[j].user_set_fields &= ~all_output_options[i].field;
2954                                                 output[j].user_unset_fields |= all_output_options[i].field;
2955                                         } else {
2956                                                 output[j].fields |= all_output_options[i].field;
2957                                                 output[j].user_set_fields |= all_output_options[i].field;
2958                                                 output[j].user_unset_fields &= ~all_output_options[i].field;
2959                                         }
2960                                         output[j].user_set = true;
2961                                         output[j].wildcard_set = true;
2962                                 }
2963                         }
2964                 } else {
2965                         if (output[type].invalid_fields & all_output_options[i].field) {
2966                                 fprintf(stderr, "\'%s\' not valid for %s events.\n",
2967                                          all_output_options[i].str, event_type(type));
2968
2969                                 rc = -EINVAL;
2970                                 goto out;
2971                         }
2972                         if (change == REMOVE)
2973                                 output[type].fields &= ~all_output_options[i].field;
2974                         else
2975                                 output[type].fields |= all_output_options[i].field;
2976                         output[type].user_set = true;
2977                         output[type].wildcard_set = true;
2978                 }
2979         }
2980
2981         if (type >= 0) {
2982                 if (output[type].fields == 0) {
2983                         pr_debug("No fields requested for %s type. "
2984                                  "Events will not be displayed.\n", event_type(type));
2985                 }
2986         }
2987         goto out;
2988
2989 out_badmix:
2990         fprintf(stderr, "Cannot mix +-field with overridden fields\n");
2991         rc = -EINVAL;
2992 out:
2993         free(str);
2994         return rc;
2995 }
2996
2997 #define for_each_lang(scripts_path, scripts_dir, lang_dirent)           \
2998         while ((lang_dirent = readdir(scripts_dir)) != NULL)            \
2999                 if ((lang_dirent->d_type == DT_DIR ||                   \
3000                      (lang_dirent->d_type == DT_UNKNOWN &&              \
3001                       is_directory(scripts_path, lang_dirent))) &&      \
3002                     (strcmp(lang_dirent->d_name, ".")) &&               \
3003                     (strcmp(lang_dirent->d_name, "..")))
3004
3005 #define for_each_script(lang_path, lang_dir, script_dirent)             \
3006         while ((script_dirent = readdir(lang_dir)) != NULL)             \
3007                 if (script_dirent->d_type != DT_DIR &&                  \
3008                     (script_dirent->d_type != DT_UNKNOWN ||             \
3009                      !is_directory(lang_path, script_dirent)))
3010
3011
3012 #define RECORD_SUFFIX                   "-record"
3013 #define REPORT_SUFFIX                   "-report"
3014
3015 struct script_desc {
3016         struct list_head        node;
3017         char                    *name;
3018         char                    *half_liner;
3019         char                    *args;
3020 };
3021
3022 static LIST_HEAD(script_descs);
3023
3024 static struct script_desc *script_desc__new(const char *name)
3025 {
3026         struct script_desc *s = zalloc(sizeof(*s));
3027
3028         if (s != NULL && name)
3029                 s->name = strdup(name);
3030
3031         return s;
3032 }
3033
3034 static void script_desc__delete(struct script_desc *s)
3035 {
3036         zfree(&s->name);
3037         zfree(&s->half_liner);
3038         zfree(&s->args);
3039         free(s);
3040 }
3041
3042 static void script_desc__add(struct script_desc *s)
3043 {
3044         list_add_tail(&s->node, &script_descs);
3045 }
3046
3047 static struct script_desc *script_desc__find(const char *name)
3048 {
3049         struct script_desc *s;
3050
3051         list_for_each_entry(s, &script_descs, node)
3052                 if (strcasecmp(s->name, name) == 0)
3053                         return s;
3054         return NULL;
3055 }
3056
3057 static struct script_desc *script_desc__findnew(const char *name)
3058 {
3059         struct script_desc *s = script_desc__find(name);
3060
3061         if (s)
3062                 return s;
3063
3064         s = script_desc__new(name);
3065         if (!s)
3066                 return NULL;
3067
3068         script_desc__add(s);
3069
3070         return s;
3071 }
3072
3073 static const char *ends_with(const char *str, const char *suffix)
3074 {
3075         size_t suffix_len = strlen(suffix);
3076         const char *p = str;
3077
3078         if (strlen(str) > suffix_len) {
3079                 p = str + strlen(str) - suffix_len;
3080                 if (!strncmp(p, suffix, suffix_len))
3081                         return p;
3082         }
3083
3084         return NULL;
3085 }
3086
3087 static int read_script_info(struct script_desc *desc, const char *filename)
3088 {
3089         char line[BUFSIZ], *p;
3090         FILE *fp;
3091
3092         fp = fopen(filename, "r");
3093         if (!fp)
3094                 return -1;
3095
3096         while (fgets(line, sizeof(line), fp)) {
3097                 p = skip_spaces(line);
3098                 if (strlen(p) == 0)
3099                         continue;
3100                 if (*p != '#')
3101                         continue;
3102                 p++;
3103                 if (strlen(p) && *p == '!')
3104                         continue;
3105
3106                 p = skip_spaces(p);
3107                 if (strlen(p) && p[strlen(p) - 1] == '\n')
3108                         p[strlen(p) - 1] = '\0';
3109
3110                 if (!strncmp(p, "description:", strlen("description:"))) {
3111                         p += strlen("description:");
3112                         desc->half_liner = strdup(skip_spaces(p));
3113                         continue;
3114                 }
3115
3116                 if (!strncmp(p, "args:", strlen("args:"))) {
3117                         p += strlen("args:");
3118                         desc->args = strdup(skip_spaces(p));
3119                         continue;
3120                 }
3121         }
3122
3123         fclose(fp);
3124
3125         return 0;
3126 }
3127
3128 static char *get_script_root(struct dirent *script_dirent, const char *suffix)
3129 {
3130         char *script_root, *str;
3131
3132         script_root = strdup(script_dirent->d_name);
3133         if (!script_root)
3134                 return NULL;
3135
3136         str = (char *)ends_with(script_root, suffix);
3137         if (!str) {
3138                 free(script_root);
3139                 return NULL;
3140         }
3141
3142         *str = '\0';
3143         return script_root;
3144 }
3145
3146 static int list_available_scripts(const struct option *opt __maybe_unused,
3147                                   const char *s __maybe_unused,
3148                                   int unset __maybe_unused)
3149 {
3150         struct dirent *script_dirent, *lang_dirent;
3151         char scripts_path[MAXPATHLEN];
3152         DIR *scripts_dir, *lang_dir;
3153         char script_path[MAXPATHLEN];
3154         char lang_path[MAXPATHLEN];
3155         struct script_desc *desc;
3156         char first_half[BUFSIZ];
3157         char *script_root;
3158
3159         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3160
3161         scripts_dir = opendir(scripts_path);
3162         if (!scripts_dir) {
3163                 fprintf(stdout,
3164                         "open(%s) failed.\n"
3165                         "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
3166                         scripts_path);
3167                 exit(-1);
3168         }
3169
3170         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3171                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3172                           lang_dirent->d_name);
3173                 lang_dir = opendir(lang_path);
3174                 if (!lang_dir)
3175                         continue;
3176
3177                 for_each_script(lang_path, lang_dir, script_dirent) {
3178                         script_root = get_script_root(script_dirent, REPORT_SUFFIX);
3179                         if (script_root) {
3180                                 desc = script_desc__findnew(script_root);
3181                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3182                                           lang_path, script_dirent->d_name);
3183                                 read_script_info(desc, script_path);
3184                                 free(script_root);
3185                         }
3186                 }
3187         }
3188
3189         fprintf(stdout, "List of available trace scripts:\n");
3190         list_for_each_entry(desc, &script_descs, node) {
3191                 sprintf(first_half, "%s %s", desc->name,
3192                         desc->args ? desc->args : "");
3193                 fprintf(stdout, "  %-36s %s\n", first_half,
3194                         desc->half_liner ? desc->half_liner : "");
3195         }
3196
3197         exit(0);
3198 }
3199
3200 static int add_dlarg(const struct option *opt __maybe_unused,
3201                      const char *s, int unset __maybe_unused)
3202 {
3203         char *arg = strdup(s);
3204         void *a;
3205
3206         if (!arg)
3207                 return -1;
3208
3209         a = realloc(dlargv, sizeof(dlargv[0]) * (dlargc + 1));
3210         if (!a) {
3211                 free(arg);
3212                 return -1;
3213         }
3214
3215         dlargv = a;
3216         dlargv[dlargc++] = arg;
3217
3218         return 0;
3219 }
3220
3221 static void free_dlarg(void)
3222 {
3223         while (dlargc--)
3224                 free(dlargv[dlargc]);
3225         free(dlargv);
3226 }
3227
3228 /*
3229  * Some scripts specify the required events in their "xxx-record" file,
3230  * this function will check if the events in perf.data match those
3231  * mentioned in the "xxx-record".
3232  *
3233  * Fixme: All existing "xxx-record" are all in good formats "-e event ",
3234  * which is covered well now. And new parsing code should be added to
3235  * cover the future complex formats like event groups etc.
3236  */
3237 static int check_ev_match(char *dir_name, char *scriptname,
3238                         struct perf_session *session)
3239 {
3240         char filename[MAXPATHLEN], evname[128];
3241         char line[BUFSIZ], *p;
3242         struct evsel *pos;
3243         int match, len;
3244         FILE *fp;
3245
3246         scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
3247
3248         fp = fopen(filename, "r");
3249         if (!fp)
3250                 return -1;
3251
3252         while (fgets(line, sizeof(line), fp)) {
3253                 p = skip_spaces(line);
3254                 if (*p == '#')
3255                         continue;
3256
3257                 while (strlen(p)) {
3258                         p = strstr(p, "-e");
3259                         if (!p)
3260                                 break;
3261
3262                         p += 2;
3263                         p = skip_spaces(p);
3264                         len = strcspn(p, " \t");
3265                         if (!len)
3266                                 break;
3267
3268                         snprintf(evname, len + 1, "%s", p);
3269
3270                         match = 0;
3271                         evlist__for_each_entry(session->evlist, pos) {
3272                                 if (!strcmp(evsel__name(pos), evname)) {
3273                                         match = 1;
3274                                         break;
3275                                 }
3276                         }
3277
3278                         if (!match) {
3279                                 fclose(fp);
3280                                 return -1;
3281                         }
3282                 }
3283         }
3284
3285         fclose(fp);
3286         return 0;
3287 }
3288
3289 /*
3290  * Return -1 if none is found, otherwise the actual scripts number.
3291  *
3292  * Currently the only user of this function is the script browser, which
3293  * will list all statically runnable scripts, select one, execute it and
3294  * show the output in a perf browser.
3295  */
3296 int find_scripts(char **scripts_array, char **scripts_path_array, int num,
3297                  int pathlen)
3298 {
3299         struct dirent *script_dirent, *lang_dirent;
3300         char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
3301         DIR *scripts_dir, *lang_dir;
3302         struct perf_session *session;
3303         struct perf_data data = {
3304                 .path = input_name,
3305                 .mode = PERF_DATA_MODE_READ,
3306         };
3307         char *temp;
3308         int i = 0;
3309
3310         session = perf_session__new(&data, NULL);
3311         if (IS_ERR(session))
3312                 return PTR_ERR(session);
3313
3314         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3315
3316         scripts_dir = opendir(scripts_path);
3317         if (!scripts_dir) {
3318                 perf_session__delete(session);
3319                 return -1;
3320         }
3321
3322         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3323                 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
3324                           lang_dirent->d_name);
3325 #ifndef HAVE_LIBPERL_SUPPORT
3326                 if (strstr(lang_path, "perl"))
3327                         continue;
3328 #endif
3329 #ifndef HAVE_LIBPYTHON_SUPPORT
3330                 if (strstr(lang_path, "python"))
3331                         continue;
3332 #endif
3333
3334                 lang_dir = opendir(lang_path);
3335                 if (!lang_dir)
3336                         continue;
3337
3338                 for_each_script(lang_path, lang_dir, script_dirent) {
3339                         /* Skip those real time scripts: xxxtop.p[yl] */
3340                         if (strstr(script_dirent->d_name, "top."))
3341                                 continue;
3342                         if (i >= num)
3343                                 break;
3344                         snprintf(scripts_path_array[i], pathlen, "%s/%s",
3345                                 lang_path,
3346                                 script_dirent->d_name);
3347                         temp = strchr(script_dirent->d_name, '.');
3348                         snprintf(scripts_array[i],
3349                                 (temp - script_dirent->d_name) + 1,
3350                                 "%s", script_dirent->d_name);
3351
3352                         if (check_ev_match(lang_path,
3353                                         scripts_array[i], session))
3354                                 continue;
3355
3356                         i++;
3357                 }
3358                 closedir(lang_dir);
3359         }
3360
3361         closedir(scripts_dir);
3362         perf_session__delete(session);
3363         return i;
3364 }
3365
3366 static char *get_script_path(const char *script_root, const char *suffix)
3367 {
3368         struct dirent *script_dirent, *lang_dirent;
3369         char scripts_path[MAXPATHLEN];
3370         char script_path[MAXPATHLEN];
3371         DIR *scripts_dir, *lang_dir;
3372         char lang_path[MAXPATHLEN];
3373         char *__script_root;
3374
3375         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3376
3377         scripts_dir = opendir(scripts_path);
3378         if (!scripts_dir)
3379                 return NULL;
3380
3381         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3382                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3383                           lang_dirent->d_name);
3384                 lang_dir = opendir(lang_path);
3385                 if (!lang_dir)
3386                         continue;
3387
3388                 for_each_script(lang_path, lang_dir, script_dirent) {
3389                         __script_root = get_script_root(script_dirent, suffix);
3390                         if (__script_root && !strcmp(script_root, __script_root)) {
3391                                 free(__script_root);
3392                                 closedir(scripts_dir);
3393                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3394                                           lang_path, script_dirent->d_name);
3395                                 closedir(lang_dir);
3396                                 return strdup(script_path);
3397                         }
3398                         free(__script_root);
3399                 }
3400                 closedir(lang_dir);
3401         }
3402         closedir(scripts_dir);
3403
3404         return NULL;
3405 }
3406
3407 static bool is_top_script(const char *script_path)
3408 {
3409         return ends_with(script_path, "top") != NULL;
3410 }
3411
3412 static int has_required_arg(char *script_path)
3413 {
3414         struct script_desc *desc;
3415         int n_args = 0;
3416         char *p;
3417
3418         desc = script_desc__new(NULL);
3419
3420         if (read_script_info(desc, script_path))
3421                 goto out;
3422
3423         if (!desc->args)
3424                 goto out;
3425
3426         for (p = desc->args; *p; p++)
3427                 if (*p == '<')
3428                         n_args++;
3429 out:
3430         script_desc__delete(desc);
3431
3432         return n_args;
3433 }
3434
3435 static int have_cmd(int argc, const char **argv)
3436 {
3437         char **__argv = malloc(sizeof(const char *) * argc);
3438
3439         if (!__argv) {
3440                 pr_err("malloc failed\n");
3441                 return -1;
3442         }
3443
3444         memcpy(__argv, argv, sizeof(const char *) * argc);
3445         argc = parse_options(argc, (const char **)__argv, record_options,
3446                              NULL, PARSE_OPT_STOP_AT_NON_OPTION);
3447         free(__argv);
3448
3449         system_wide = (argc == 0);
3450
3451         return 0;
3452 }
3453
3454 static void script__setup_sample_type(struct perf_script *script)
3455 {
3456         struct perf_session *session = script->session;
3457         u64 sample_type = evlist__combined_sample_type(session->evlist);
3458
3459         if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
3460                 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
3461                     (sample_type & PERF_SAMPLE_STACK_USER)) {
3462                         callchain_param.record_mode = CALLCHAIN_DWARF;
3463                         dwarf_callchain_users = true;
3464                 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
3465                         callchain_param.record_mode = CALLCHAIN_LBR;
3466                 else
3467                         callchain_param.record_mode = CALLCHAIN_FP;
3468         }
3469
3470         if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) {
3471                 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
3472                            "Please apply --call-graph lbr when recording.\n");
3473                 script->stitch_lbr = false;
3474         }
3475 }
3476
3477 static int process_stat_round_event(struct perf_session *session,
3478                                     union perf_event *event)
3479 {
3480         struct perf_record_stat_round *round = &event->stat_round;
3481         struct evsel *counter;
3482
3483         evlist__for_each_entry(session->evlist, counter) {
3484                 perf_stat_process_counter(&stat_config, counter);
3485                 process_stat(counter, round->time);
3486         }
3487
3488         process_stat_interval(round->time);
3489         return 0;
3490 }
3491
3492 static int process_stat_config_event(struct perf_session *session __maybe_unused,
3493                                      union perf_event *event)
3494 {
3495         perf_event__read_stat_config(&stat_config, &event->stat_config);
3496         return 0;
3497 }
3498
3499 static int set_maps(struct perf_script *script)
3500 {
3501         struct evlist *evlist = script->session->evlist;
3502
3503         if (!script->cpus || !script->threads)
3504                 return 0;
3505
3506         if (WARN_ONCE(script->allocated, "stats double allocation\n"))
3507                 return -EINVAL;
3508
3509         perf_evlist__set_maps(&evlist->core, script->cpus, script->threads);
3510
3511         if (evlist__alloc_stats(evlist, true))
3512                 return -ENOMEM;
3513
3514         script->allocated = true;
3515         return 0;
3516 }
3517
3518 static
3519 int process_thread_map_event(struct perf_session *session,
3520                              union perf_event *event)
3521 {
3522         struct perf_tool *tool = session->tool;
3523         struct perf_script *script = container_of(tool, struct perf_script, tool);
3524
3525         if (script->threads) {
3526                 pr_warning("Extra thread map event, ignoring.\n");
3527                 return 0;
3528         }
3529
3530         script->threads = thread_map__new_event(&event->thread_map);
3531         if (!script->threads)
3532                 return -ENOMEM;
3533
3534         return set_maps(script);
3535 }
3536
3537 static
3538 int process_cpu_map_event(struct perf_session *session,
3539                           union perf_event *event)
3540 {
3541         struct perf_tool *tool = session->tool;
3542         struct perf_script *script = container_of(tool, struct perf_script, tool);
3543
3544         if (script->cpus) {
3545                 pr_warning("Extra cpu map event, ignoring.\n");
3546                 return 0;
3547         }
3548
3549         script->cpus = cpu_map__new_data(&event->cpu_map.data);
3550         if (!script->cpus)
3551                 return -ENOMEM;
3552
3553         return set_maps(script);
3554 }
3555
3556 static int process_feature_event(struct perf_session *session,
3557                                  union perf_event *event)
3558 {
3559         if (event->feat.feat_id < HEADER_LAST_FEATURE)
3560                 return perf_event__process_feature(session, event);
3561         return 0;
3562 }
3563
3564 #ifdef HAVE_AUXTRACE_SUPPORT
3565 static int perf_script__process_auxtrace_info(struct perf_session *session,
3566                                               union perf_event *event)
3567 {
3568         struct perf_tool *tool = session->tool;
3569
3570         int ret = perf_event__process_auxtrace_info(session, event);
3571
3572         if (ret == 0) {
3573                 struct perf_script *script = container_of(tool, struct perf_script, tool);
3574
3575                 ret = perf_script__setup_per_event_dump(script);
3576         }
3577
3578         return ret;
3579 }
3580 #else
3581 #define perf_script__process_auxtrace_info 0
3582 #endif
3583
3584 static int parse_insn_trace(const struct option *opt __maybe_unused,
3585                             const char *str __maybe_unused,
3586                             int unset __maybe_unused)
3587 {
3588         parse_output_fields(NULL, "+insn,-event,-period", 0);
3589         itrace_parse_synth_opts(opt, "i0ns", 0);
3590         symbol_conf.nanosecs = true;
3591         return 0;
3592 }
3593
3594 static int parse_xed(const struct option *opt __maybe_unused,
3595                      const char *str __maybe_unused,
3596                      int unset __maybe_unused)
3597 {
3598         if (isatty(1))
3599                 force_pager("xed -F insn: -A -64 | less");
3600         else
3601                 force_pager("xed -F insn: -A -64");
3602         return 0;
3603 }
3604
3605 static int parse_call_trace(const struct option *opt __maybe_unused,
3606                             const char *str __maybe_unused,
3607                             int unset __maybe_unused)
3608 {
3609         parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
3610         itrace_parse_synth_opts(opt, "cewp", 0);
3611         symbol_conf.nanosecs = true;
3612         symbol_conf.pad_output_len_dso = 50;
3613         return 0;
3614 }
3615
3616 static int parse_callret_trace(const struct option *opt __maybe_unused,
3617                             const char *str __maybe_unused,
3618                             int unset __maybe_unused)
3619 {
3620         parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
3621         itrace_parse_synth_opts(opt, "crewp", 0);
3622         symbol_conf.nanosecs = true;
3623         return 0;
3624 }
3625
3626 int cmd_script(int argc, const char **argv)
3627 {
3628         bool show_full_info = false;
3629         bool header = false;
3630         bool header_only = false;
3631         bool script_started = false;
3632         char *rec_script_path = NULL;
3633         char *rep_script_path = NULL;
3634         struct perf_session *session;
3635         struct itrace_synth_opts itrace_synth_opts = {
3636                 .set = false,
3637                 .default_no_sample = true,
3638         };
3639         struct utsname uts;
3640         char *script_path = NULL;
3641         const char *dlfilter_file = NULL;
3642         const char **__argv;
3643         int i, j, err = 0;
3644         struct perf_script script = {
3645                 .tool = {
3646                         .sample          = process_sample_event,
3647                         .mmap            = perf_event__process_mmap,
3648                         .mmap2           = perf_event__process_mmap2,
3649                         .comm            = perf_event__process_comm,
3650                         .namespaces      = perf_event__process_namespaces,
3651                         .cgroup          = perf_event__process_cgroup,
3652                         .exit            = perf_event__process_exit,
3653                         .fork            = perf_event__process_fork,
3654                         .attr            = process_attr,
3655                         .event_update   = perf_event__process_event_update,
3656                         .tracing_data    = perf_event__process_tracing_data,
3657                         .feature         = process_feature_event,
3658                         .build_id        = perf_event__process_build_id,
3659                         .id_index        = perf_event__process_id_index,
3660                         .auxtrace_info   = perf_script__process_auxtrace_info,
3661                         .auxtrace        = perf_event__process_auxtrace,
3662                         .auxtrace_error  = perf_event__process_auxtrace_error,
3663                         .stat            = perf_event__process_stat_event,
3664                         .stat_round      = process_stat_round_event,
3665                         .stat_config     = process_stat_config_event,
3666                         .thread_map      = process_thread_map_event,
3667                         .cpu_map         = process_cpu_map_event,
3668                         .throttle        = process_throttle_event,
3669                         .unthrottle      = process_throttle_event,
3670                         .ordered_events  = true,
3671                         .ordering_requires_timestamps = true,
3672                 },
3673         };
3674         struct perf_data data = {
3675                 .mode = PERF_DATA_MODE_READ,
3676         };
3677         const struct option options[] = {
3678         OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3679                     "dump raw trace in ASCII"),
3680         OPT_INCR('v', "verbose", &verbose,
3681                  "be more verbose (show symbol address, etc)"),
3682         OPT_BOOLEAN('L', "Latency", &latency_format,
3683                     "show latency attributes (irqs/preemption disabled, etc)"),
3684         OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3685                            list_available_scripts),
3686         OPT_CALLBACK_NOOPT(0, "list-dlfilters", NULL, NULL, "list available dlfilters",
3687                            list_available_dlfilters),
3688         OPT_CALLBACK('s', "script", NULL, "name",
3689                      "script file name (lang:script name, script name, or *)",
3690                      parse_scriptname),
3691         OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3692                    "generate perf-script.xx script in specified language"),
3693         OPT_STRING(0, "dlfilter", &dlfilter_file, "file", "filter .so file name"),
3694         OPT_CALLBACK(0, "dlarg", NULL, "argument", "filter argument",
3695                      add_dlarg),
3696         OPT_STRING('i', "input", &input_name, "file", "input file name"),
3697         OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3698                    "do various checks like samples ordering and lost events"),
3699         OPT_BOOLEAN(0, "header", &header, "Show data header."),
3700         OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3701         OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3702                    "file", "vmlinux pathname"),
3703         OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3704                    "file", "kallsyms pathname"),
3705         OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3706                     "When printing symbols do not display call chain"),
3707         OPT_CALLBACK(0, "symfs", NULL, "directory",
3708                      "Look for files with symbols relative to this directory",
3709                      symbol__config_symfs),
3710         OPT_CALLBACK('F', "fields", NULL, "str",
3711                      "comma separated output fields prepend with 'type:'. "
3712                      "+field to add and -field to remove."
3713                      "Valid types: hw,sw,trace,raw,synth. "
3714                      "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
3715                      "addr,symoff,srcline,period,iregs,uregs,brstack,"
3716                      "brstacksym,flags,bpf-output,brstackinsn,brstackoff,"
3717                      "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc,tod,"
3718                      "data_page_size,code_page_size",
3719                      parse_output_fields),
3720         OPT_BOOLEAN('a', "all-cpus", &system_wide,
3721                     "system-wide collection from all CPUs"),
3722         OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
3723                    "only consider symbols in these DSOs"),
3724         OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3725                    "only consider these symbols"),
3726         OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range,
3727                     "Use with -S to list traced records within address range"),
3728         OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL,
3729                         "Decode instructions from itrace", parse_insn_trace),
3730         OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
3731                         "Run xed disassembler on output", parse_xed),
3732         OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
3733                         "Decode calls from from itrace", parse_call_trace),
3734         OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
3735                         "Decode calls and returns from itrace", parse_callret_trace),
3736         OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",
3737                         "Only print symbols and callees with --call-trace/--call-ret-trace"),
3738         OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3739                    "Stop display of callgraph at these symbols"),
3740         OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3741         OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3742                    "only display events for these comms"),
3743         OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3744                    "only consider symbols in these pids"),
3745         OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3746                    "only consider symbols in these tids"),
3747         OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3748                      "Set the maximum stack depth when parsing the callchain, "
3749                      "anything beyond the specified depth will be ignored. "
3750                      "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3751         OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"),
3752         OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"),
3753         OPT_BOOLEAN('I', "show-info", &show_full_info,
3754                     "display extended information from perf.data file"),
3755         OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3756                     "Show the path of [kernel.kallsyms]"),
3757         OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3758                     "Show the fork/comm/exit events"),
3759         OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3760                     "Show the mmap events"),
3761         OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3762                     "Show context switch events (if recorded)"),
3763         OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3764                     "Show namespace events (if recorded)"),
3765         OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events,
3766                     "Show cgroup events (if recorded)"),
3767         OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3768                     "Show lost events (if recorded)"),
3769         OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3770                     "Show round events (if recorded)"),
3771         OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events,
3772                     "Show bpf related events (if recorded)"),
3773         OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events,
3774                     "Show text poke related events (if recorded)"),
3775         OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
3776                     "Dump trace output to files named by the monitored events"),
3777         OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3778         OPT_INTEGER(0, "max-blocks", &max_blocks,
3779                     "Maximum number of code blocks to dump with brstackinsn"),
3780         OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs,
3781                     "Use 9 decimal places when displaying time"),
3782         OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
3783                             "Instruction Tracing options\n" ITRACE_HELP,
3784                             itrace_parse_synth_opts),
3785         OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
3786                         "Show full source file name path for source lines"),
3787         OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
3788                         "Enable symbol demangling"),
3789         OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
3790                         "Enable kernel symbol demangling"),
3791         OPT_STRING(0, "time", &script.time_str, "str",
3792                    "Time span of interest (start,stop)"),
3793         OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
3794                     "Show inline function"),
3795         OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
3796                    "guest mount directory under which every guest os"
3797                    " instance has a subdir"),
3798         OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name,
3799                    "file", "file saving guest os vmlinux"),
3800         OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms,
3801                    "file", "file saving guest os /proc/kallsyms"),
3802         OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
3803                    "file", "file saving guest os /proc/modules"),
3804         OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr,
3805                     "Enable LBR callgraph stitching approach"),
3806         OPTS_EVSWITCH(&script.evswitch),
3807         OPT_END()
3808         };
3809         const char * const script_subcommands[] = { "record", "report", NULL };
3810         const char *script_usage[] = {
3811                 "perf script [<options>]",
3812                 "perf script [<options>] record <script> [<record-options>] <command>",
3813                 "perf script [<options>] report <script> [script-args]",
3814                 "perf script [<options>] <script> [<record-options>] <command>",
3815                 "perf script [<options>] <top-script> [script-args]",
3816                 NULL
3817         };
3818
3819         perf_set_singlethreaded();
3820
3821         setup_scripting();
3822
3823         argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3824                              PARSE_OPT_STOP_AT_NON_OPTION);
3825
3826         if (symbol_conf.guestmount ||
3827             symbol_conf.default_guest_vmlinux_name ||
3828             symbol_conf.default_guest_kallsyms ||
3829             symbol_conf.default_guest_modules) {
3830                 /*
3831                  * Enable guest sample processing.
3832                  */
3833                 perf_guest = true;
3834         }
3835
3836         data.path  = input_name;
3837         data.force = symbol_conf.force;
3838
3839         if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
3840                 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
3841                 if (!rec_script_path)
3842                         return cmd_record(argc, argv);
3843         }
3844
3845         if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
3846                 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
3847                 if (!rep_script_path) {
3848                         fprintf(stderr,
3849                                 "Please specify a valid report script"
3850                                 "(see 'perf script -l' for listing)\n");
3851                         return -1;
3852                 }
3853         }
3854
3855         if (reltime && deltatime) {
3856                 fprintf(stderr,
3857                         "reltime and deltatime - the two don't get along well. "
3858                         "Please limit to --reltime or --deltatime.\n");
3859                 return -1;
3860         }
3861
3862         if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) &&
3863             itrace_synth_opts.callchain_sz > scripting_max_stack)
3864                 scripting_max_stack = itrace_synth_opts.callchain_sz;
3865
3866         /* make sure PERF_EXEC_PATH is set for scripts */
3867         set_argv_exec_path(get_argv_exec_path());
3868
3869         if (argc && !script_name && !rec_script_path && !rep_script_path) {
3870                 int live_pipe[2];
3871                 int rep_args;
3872                 pid_t pid;
3873
3874                 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
3875                 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
3876
3877                 if (!rec_script_path && !rep_script_path) {
3878                         script_name = find_script(argv[0]);
3879                         if (script_name) {
3880                                 argc -= 1;
3881                                 argv += 1;
3882                                 goto script_found;
3883                         }
3884                         usage_with_options_msg(script_usage, options,
3885                                 "Couldn't find script `%s'\n\n See perf"
3886                                 " script -l for available scripts.\n", argv[0]);
3887                 }
3888
3889                 if (is_top_script(argv[0])) {
3890                         rep_args = argc - 1;
3891                 } else {
3892                         int rec_args;
3893
3894                         rep_args = has_required_arg(rep_script_path);
3895                         rec_args = (argc - 1) - rep_args;
3896                         if (rec_args < 0) {
3897                                 usage_with_options_msg(script_usage, options,
3898                                         "`%s' script requires options."
3899                                         "\n\n See perf script -l for available "
3900                                         "scripts and options.\n", argv[0]);
3901                         }
3902                 }
3903
3904                 if (pipe(live_pipe) < 0) {
3905                         perror("failed to create pipe");
3906                         return -1;
3907                 }
3908
3909                 pid = fork();
3910                 if (pid < 0) {
3911                         perror("failed to fork");
3912                         return -1;
3913                 }
3914
3915                 if (!pid) {
3916                         j = 0;
3917
3918                         dup2(live_pipe[1], 1);
3919                         close(live_pipe[0]);
3920
3921                         if (is_top_script(argv[0])) {
3922                                 system_wide = true;
3923                         } else if (!system_wide) {
3924                                 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
3925                                         err = -1;
3926                                         goto out;
3927                                 }
3928                         }
3929
3930                         __argv = malloc((argc + 6) * sizeof(const char *));
3931                         if (!__argv) {
3932                                 pr_err("malloc failed\n");
3933                                 err = -ENOMEM;
3934                                 goto out;
3935                         }
3936
3937                         __argv[j++] = "/bin/sh";
3938                         __argv[j++] = rec_script_path;
3939                         if (system_wide)
3940                                 __argv[j++] = "-a";
3941                         __argv[j++] = "-q";
3942                         __argv[j++] = "-o";
3943                         __argv[j++] = "-";
3944                         for (i = rep_args + 1; i < argc; i++)
3945                                 __argv[j++] = argv[i];
3946                         __argv[j++] = NULL;
3947
3948                         execvp("/bin/sh", (char **)__argv);
3949                         free(__argv);
3950                         exit(-1);
3951                 }
3952
3953                 dup2(live_pipe[0], 0);
3954                 close(live_pipe[1]);
3955
3956                 __argv = malloc((argc + 4) * sizeof(const char *));
3957                 if (!__argv) {
3958                         pr_err("malloc failed\n");
3959                         err = -ENOMEM;
3960                         goto out;
3961                 }
3962
3963                 j = 0;
3964                 __argv[j++] = "/bin/sh";
3965                 __argv[j++] = rep_script_path;
3966                 for (i = 1; i < rep_args + 1; i++)
3967                         __argv[j++] = argv[i];
3968                 __argv[j++] = "-i";
3969                 __argv[j++] = "-";
3970                 __argv[j++] = NULL;
3971
3972                 execvp("/bin/sh", (char **)__argv);
3973                 free(__argv);
3974                 exit(-1);
3975         }
3976 script_found:
3977         if (rec_script_path)
3978                 script_path = rec_script_path;
3979         if (rep_script_path)
3980                 script_path = rep_script_path;
3981
3982         if (script_path) {
3983                 j = 0;
3984
3985                 if (!rec_script_path)
3986                         system_wide = false;
3987                 else if (!system_wide) {
3988                         if (have_cmd(argc - 1, &argv[1]) != 0) {
3989                                 err = -1;
3990                                 goto out;
3991                         }
3992                 }
3993
3994                 __argv = malloc((argc + 2) * sizeof(const char *));
3995                 if (!__argv) {
3996                         pr_err("malloc failed\n");
3997                         err = -ENOMEM;
3998                         goto out;
3999                 }
4000
4001                 __argv[j++] = "/bin/sh";
4002                 __argv[j++] = script_path;
4003                 if (system_wide)
4004                         __argv[j++] = "-a";
4005                 for (i = 2; i < argc; i++)
4006                         __argv[j++] = argv[i];
4007                 __argv[j++] = NULL;
4008
4009                 execvp("/bin/sh", (char **)__argv);
4010                 free(__argv);
4011                 exit(-1);
4012         }
4013
4014         if (dlfilter_file) {
4015                 dlfilter = dlfilter__new(dlfilter_file, dlargc, dlargv);
4016                 if (!dlfilter)
4017                         return -1;
4018         }
4019
4020         if (!script_name) {
4021                 setup_pager();
4022                 use_browser = 0;
4023         }
4024
4025         session = perf_session__new(&data, &script.tool);
4026         if (IS_ERR(session))
4027                 return PTR_ERR(session);
4028
4029         if (header || header_only) {
4030                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
4031                 perf_session__fprintf_info(session, stdout, show_full_info);
4032                 if (header_only)
4033                         goto out_delete;
4034         }
4035         if (show_full_info)
4036                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
4037
4038         if (symbol__init(&session->header.env) < 0)
4039                 goto out_delete;
4040
4041         uname(&uts);
4042         if (data.is_pipe) { /* Assume pipe_mode indicates native_arch */
4043                 native_arch = true;
4044         } else if (session->header.env.arch) {
4045                 if (!strcmp(uts.machine, session->header.env.arch))
4046                         native_arch = true;
4047                 else if (!strcmp(uts.machine, "x86_64") &&
4048                          !strcmp(session->header.env.arch, "i386"))
4049                         native_arch = true;
4050         }
4051
4052         script.session = session;
4053         script__setup_sample_type(&script);
4054
4055         if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) ||
4056             symbol_conf.graph_function)
4057                 itrace_synth_opts.thread_stack = true;
4058
4059         session->itrace_synth_opts = &itrace_synth_opts;
4060
4061         if (cpu_list) {
4062                 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
4063                 if (err < 0)
4064                         goto out_delete;
4065                 itrace_synth_opts.cpu_bitmap = cpu_bitmap;
4066         }
4067
4068         if (!no_callchain)
4069                 symbol_conf.use_callchain = true;
4070         else
4071                 symbol_conf.use_callchain = false;
4072
4073         if (session->tevent.pevent &&
4074             tep_set_function_resolver(session->tevent.pevent,
4075                                       machine__resolve_kernel_addr,
4076                                       &session->machines.host) < 0) {
4077                 pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
4078                 err = -1;
4079                 goto out_delete;
4080         }
4081
4082         if (generate_script_lang) {
4083                 struct stat perf_stat;
4084                 int input;
4085
4086                 if (output_set_by_user()) {
4087                         fprintf(stderr,
4088                                 "custom fields not supported for generated scripts");
4089                         err = -EINVAL;
4090                         goto out_delete;
4091                 }
4092
4093                 input = open(data.path, O_RDONLY);      /* input_name */
4094                 if (input < 0) {
4095                         err = -errno;
4096                         perror("failed to open file");
4097                         goto out_delete;
4098                 }
4099
4100                 err = fstat(input, &perf_stat);
4101                 if (err < 0) {
4102                         perror("failed to stat file");
4103                         goto out_delete;
4104                 }
4105
4106                 if (!perf_stat.st_size) {
4107                         fprintf(stderr, "zero-sized file, nothing to do!\n");
4108                         goto out_delete;
4109                 }
4110
4111                 scripting_ops = script_spec__lookup(generate_script_lang);
4112                 if (!scripting_ops) {
4113                         fprintf(stderr, "invalid language specifier");
4114                         err = -ENOENT;
4115                         goto out_delete;
4116                 }
4117
4118                 err = scripting_ops->generate_script(session->tevent.pevent,
4119                                                      "perf-script");
4120                 goto out_delete;
4121         }
4122
4123         err = dlfilter__start(dlfilter, session);
4124         if (err)
4125                 goto out_delete;
4126
4127         if (script_name) {
4128                 err = scripting_ops->start_script(script_name, argc, argv, session);
4129                 if (err)
4130                         goto out_delete;
4131                 pr_debug("perf script started with script %s\n\n", script_name);
4132                 script_started = true;
4133         }
4134
4135
4136         err = perf_session__check_output_opt(session);
4137         if (err < 0)
4138                 goto out_delete;
4139
4140         if (script.time_str) {
4141                 err = perf_time__parse_for_ranges_reltime(script.time_str, session,
4142                                                   &script.ptime_range,
4143                                                   &script.range_size,
4144                                                   &script.range_num,
4145                                                   reltime);
4146                 if (err < 0)
4147                         goto out_delete;
4148
4149                 itrace_synth_opts__set_time_range(&itrace_synth_opts,
4150                                                   script.ptime_range,
4151                                                   script.range_num);
4152         }
4153
4154         err = evswitch__init(&script.evswitch, session->evlist, stderr);
4155         if (err)
4156                 goto out_delete;
4157
4158         if (zstd_init(&(session->zstd_data), 0) < 0)
4159                 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n");
4160
4161         err = __cmd_script(&script);
4162
4163         flush_scripting();
4164
4165 out_delete:
4166         if (script.ptime_range) {
4167                 itrace_synth_opts__clear_time_range(&itrace_synth_opts);
4168                 zfree(&script.ptime_range);
4169         }
4170
4171         zstd_fini(&(session->zstd_data));
4172         evlist__free_stats(session->evlist);
4173         perf_session__delete(session);
4174         perf_script__exit(&script);
4175
4176         if (script_started)
4177                 cleanup_scripting();
4178         dlfilter__cleanup(dlfilter);
4179         free_dlarg();
4180 out:
4181         return err;
4182 }