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         PERF_OUTPUT_INS_LAT         = 1ULL << 35,
 126 };
 127
 128 struct perf_script {
 129         struct perf_tool        tool;
 130         struct perf_session     *session;
 131         bool                    show_task_events;
 132         bool                    show_mmap_events;
 133         bool                    show_switch_events;
 134         bool                    show_namespace_events;
 135         bool                    show_lost_events;
 136         bool                    show_round_events;
 137         bool                    show_bpf_events;
 138         bool                    show_cgroup_events;
 139         bool                    show_text_poke_events;
 140         bool                    allocated;
 141         bool                    per_event_dump;
 142         bool                    stitch_lbr;
 143         struct evswitch         evswitch;
 144         struct perf_cpu_map     *cpus;
 145         struct perf_thread_map *threads;
 146         int                     name_width;
 147         const char              *time_str;
 148         struct perf_time_interval *ptime_range;
 149         int                     range_size;
 150         int                     range_num;
 151 };
 152
 153 struct output_option {
 154         const char *str;
 155         enum perf_output_field field;
 156 } all_output_options[] = {
 157         {.str = "comm",  .field = PERF_OUTPUT_COMM},
 158         {.str = "tid",   .field = PERF_OUTPUT_TID},
 159         {.str = "pid",   .field = PERF_OUTPUT_PID},
 160         {.str = "time",  .field = PERF_OUTPUT_TIME},
 161         {.str = "cpu",   .field = PERF_OUTPUT_CPU},
 162         {.str = "event", .field = PERF_OUTPUT_EVNAME},
 163         {.str = "trace", .field = PERF_OUTPUT_TRACE},
 164         {.str = "ip",    .field = PERF_OUTPUT_IP},
 165         {.str = "sym",   .field = PERF_OUTPUT_SYM},
 166         {.str = "dso",   .field = PERF_OUTPUT_DSO},
 167         {.str = "addr",  .field = PERF_OUTPUT_ADDR},
 168         {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
 169         {.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
 170         {.str = "period", .field = PERF_OUTPUT_PERIOD},
 171         {.str = "iregs", .field = PERF_OUTPUT_IREGS},
 172         {.str = "uregs", .field = PERF_OUTPUT_UREGS},
 173         {.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
 174         {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
 175         {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
 176         {.str = "weight",   .field = PERF_OUTPUT_WEIGHT},
 177         {.str = "bpf-output",   .field = PERF_OUTPUT_BPF_OUTPUT},
 178         {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
 179         {.str = "insn", .field = PERF_OUTPUT_INSN},
 180         {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
 181         {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
 182         {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
 183         {.str = "synth", .field = PERF_OUTPUT_SYNTH},
 184         {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
 185         {.str = "metric", .field = PERF_OUTPUT_METRIC},
 186         {.str = "misc", .field = PERF_OUTPUT_MISC},
 187         {.str = "srccode", .field = PERF_OUTPUT_SRCCODE},
 188         {.str = "ipc", .field = PERF_OUTPUT_IPC},
 189         {.str = "tod", .field = PERF_OUTPUT_TOD},
 190         {.str = "data_page_size", .field = PERF_OUTPUT_DATA_PAGE_SIZE},
 191         {.str = "code_page_size", .field = PERF_OUTPUT_CODE_PAGE_SIZE},
 192         {.str = "ins_lat", .field = PERF_OUTPUT_INS_LAT},
 193 };
 194
 195 enum {
 196         OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
 197         OUTPUT_TYPE_OTHER,
 198         OUTPUT_TYPE_MAX
 199 };
 200
 201 /* default set to maintain compatibility with current format */
 202 static struct {
 203         bool user_set;
 204         bool wildcard_set;
 205         unsigned int print_ip_opts;
 206         u64 fields;
 207         u64 invalid_fields;
 208         u64 user_set_fields;
 209         u64 user_unset_fields;
 210 } output[OUTPUT_TYPE_MAX] = {
 211
 212         [PERF_TYPE_HARDWARE] = {
 213                 .user_set = false,
 214
 215                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 216                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 217                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 218                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 219                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 220
 221                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 222         },
 223
 224         [PERF_TYPE_SOFTWARE] = {
 225                 .user_set = false,
 226
 227                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 228                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 229                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 230                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 231                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
 232                               PERF_OUTPUT_BPF_OUTPUT,
 233
 234                 .invalid_fields = PERF_OUTPUT_TRACE,
 235         },
 236
 237         [PERF_TYPE_TRACEPOINT] = {
 238                 .user_set = false,
 239
 240                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 241                                   PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 242                                   PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
 243         },
 244
 245         [PERF_TYPE_HW_CACHE] = {
 246                 .user_set = false,
 247
 248                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 249                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 250                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 251                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 252                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 253
 254                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 255         },
 256
 257         [PERF_TYPE_RAW] = {
 258                 .user_set = false,
 259
 260                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 261                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 262                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 263                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 264                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
 265                               PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
 266                               PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR |
 267                               PERF_OUTPUT_DATA_PAGE_SIZE | PERF_OUTPUT_CODE_PAGE_SIZE |
 268                               PERF_OUTPUT_INS_LAT,
 269
 270                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 271         },
 272
 273         [PERF_TYPE_BREAKPOINT] = {
 274                 .user_set = false,
 275
 276                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 277                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 278                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 279                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 280                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 281
 282                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 283         },
 284
 285         [OUTPUT_TYPE_SYNTH] = {
 286                 .user_set = false,
 287
 288                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 289                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 290                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 291                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 292                               PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH,
 293
 294                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 295         },
 296
 297         [OUTPUT_TYPE_OTHER] = {
 298                 .user_set = false,
 299
 300                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 301                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 302                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 303                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 304                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 305
 306                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 307         },
 308 };
 309
 310 struct evsel_script {
 311        char *filename;
 312        FILE *fp;
 313        u64  samples;
 314        /* For metric output */
 315        u64  val;
 316        int  gnum;
 317 };
 318
 319 static inline struct evsel_script *evsel_script(struct evsel *evsel)
 320 {
 321         return (struct evsel_script *)evsel->priv;
 322 }
 323
 324 static struct evsel_script *evsel_script__new(struct evsel *evsel, struct perf_data *data)
 325 {
 326         struct evsel_script *es = zalloc(sizeof(*es));
 327
 328         if (es != NULL) {
 329                 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0)
 330                         goto out_free;
 331                 es->fp = fopen(es->filename, "w");
 332                 if (es->fp == NULL)
 333                         goto out_free_filename;
 334         }
 335
 336         return es;
 337 out_free_filename:
 338         zfree(&es->filename);
 339 out_free:
 340         free(es);
 341         return NULL;
 342 }
 343
 344 static void evsel_script__delete(struct evsel_script *es)
 345 {
 346         zfree(&es->filename);
 347         fclose(es->fp);
 348         es->fp = NULL;
 349         free(es);
 350 }
 351
 352 static int evsel_script__fprintf(struct evsel_script *es, FILE *fp)
 353 {
 354         struct stat st;
 355
 356         fstat(fileno(es->fp), &st);
 357         return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
 358                        st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
 359 }
 360
 361 static inline int output_type(unsigned int type)
 362 {
 363         switch (type) {
 364         case PERF_TYPE_SYNTH:
 365                 return OUTPUT_TYPE_SYNTH;
 366         default:
 367                 if (type < PERF_TYPE_MAX)
 368                         return type;
 369         }
 370
 371         return OUTPUT_TYPE_OTHER;
 372 }
 373
 374 static bool output_set_by_user(void)
 375 {
 376         int j;
 377         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 378                 if (output[j].user_set)
 379                         return true;
 380         }
 381         return false;
 382 }
 383
 384 static const char *output_field2str(enum perf_output_field field)
 385 {
 386         int i, imax = ARRAY_SIZE(all_output_options);
 387         const char *str = "";
 388
 389         for (i = 0; i < imax; ++i) {
 390                 if (all_output_options[i].field == field) {
 391                         str = all_output_options[i].str;
 392                         break;
 393                 }
 394         }
 395         return str;
 396 }
 397
 398 #define PRINT_FIELD(x)  (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
 399
 400 static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
 401                                  enum perf_output_field field, bool allow_user_set)
 402 {
 403         struct perf_event_attr *attr = &evsel->core.attr;
 404         int type = output_type(attr->type);
 405         const char *evname;
 406
 407         if (attr->sample_type & sample_type)
 408                 return 0;
 409
 410         if (output[type].user_set_fields & field) {
 411                 if (allow_user_set)
 412                         return 0;
 413                 evname = evsel__name(evsel);
 414                 pr_err("Samples for '%s' event do not have %s attribute set. "
 415                        "Cannot print '%s' field.\n",
 416                        evname, sample_msg, output_field2str(field));
 417                 return -1;
 418         }
 419
 420         /* user did not ask for it explicitly so remove from the default list */
 421         output[type].fields &= ~field;
 422         evname = evsel__name(evsel);
 423         pr_debug("Samples for '%s' event do not have %s attribute set. "
 424                  "Skipping '%s' field.\n",
 425                  evname, sample_msg, output_field2str(field));
 426
 427         return 0;
 428 }
 429
 430 static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
 431                               enum perf_output_field field)
 432 {
 433         return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false);
 434 }
 435
 436 static int evsel__check_attr(struct evsel *evsel, struct perf_session *session)
 437 {
 438         struct perf_event_attr *attr = &evsel->core.attr;
 439         bool allow_user_set;
 440
 441         if (perf_header__has_feat(&session->header, HEADER_STAT))
 442                 return 0;
 443
 444         allow_user_set = perf_header__has_feat(&session->header,
 445                                                HEADER_AUXTRACE);
 446
 447         if (PRINT_FIELD(TRACE) &&
 448             !perf_session__has_traces(session, "record -R"))
 449                 return -EINVAL;
 450
 451         if (PRINT_FIELD(IP)) {
 452                 if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP))
 453                         return -EINVAL;
 454         }
 455
 456         if (PRINT_FIELD(ADDR) &&
 457             evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set))
 458                 return -EINVAL;
 459
 460         if (PRINT_FIELD(DATA_SRC) &&
 461             evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC))
 462                 return -EINVAL;
 463
 464         if (PRINT_FIELD(WEIGHT) &&
 465             evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_TYPE, "WEIGHT", PERF_OUTPUT_WEIGHT))
 466                 return -EINVAL;
 467
 468         if (PRINT_FIELD(SYM) &&
 469             !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
 470                 pr_err("Display of symbols requested but neither sample IP nor "
 471                            "sample address\navailable. Hence, no addresses to convert "
 472                        "to symbols.\n");
 473                 return -EINVAL;
 474         }
 475         if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
 476                 pr_err("Display of offsets requested but symbol is not"
 477                        "selected.\n");
 478                 return -EINVAL;
 479         }
 480         if (PRINT_FIELD(DSO) &&
 481             !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
 482                 pr_err("Display of DSO requested but no address to convert.\n");
 483                 return -EINVAL;
 484         }
 485         if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) {
 486                 pr_err("Display of source line number requested but sample IP is not\n"
 487                        "selected. Hence, no address to lookup the source line number.\n");
 488                 return -EINVAL;
 489         }
 490         if (PRINT_FIELD(BRSTACKINSN) && !allow_user_set &&
 491             !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) {
 492                 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
 493                        "Hint: run 'perf record -b ...'\n");
 494                 return -EINVAL;
 495         }
 496         if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
 497             evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID))
 498                 return -EINVAL;
 499
 500         if (PRINT_FIELD(TIME) &&
 501             evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME))
 502                 return -EINVAL;
 503
 504         if (PRINT_FIELD(CPU) &&
 505             evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set))
 506                 return -EINVAL;
 507
 508         if (PRINT_FIELD(IREGS) &&
 509             evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set))
 510                 return -EINVAL;
 511
 512         if (PRINT_FIELD(UREGS) &&
 513             evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS))
 514                 return -EINVAL;
 515
 516         if (PRINT_FIELD(PHYS_ADDR) &&
 517             evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR))
 518                 return -EINVAL;
 519
 520         if (PRINT_FIELD(DATA_PAGE_SIZE) &&
 521             evsel__check_stype(evsel, PERF_SAMPLE_DATA_PAGE_SIZE, "DATA_PAGE_SIZE", PERF_OUTPUT_DATA_PAGE_SIZE))
 522                 return -EINVAL;
 523
 524         if (PRINT_FIELD(CODE_PAGE_SIZE) &&
 525             evsel__check_stype(evsel, PERF_SAMPLE_CODE_PAGE_SIZE, "CODE_PAGE_SIZE", PERF_OUTPUT_CODE_PAGE_SIZE))
 526                 return -EINVAL;
 527
 528         if (PRINT_FIELD(INS_LAT) &&
 529             evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_INS_LAT))
 530                 return -EINVAL;
 531
 532         return 0;
 533 }
 534
 535 static void set_print_ip_opts(struct perf_event_attr *attr)
 536 {
 537         unsigned int type = output_type(attr->type);
 538
 539         output[type].print_ip_opts = 0;
 540         if (PRINT_FIELD(IP))
 541                 output[type].print_ip_opts |= EVSEL__PRINT_IP;
 542
 543         if (PRINT_FIELD(SYM))
 544                 output[type].print_ip_opts |= EVSEL__PRINT_SYM;
 545
 546         if (PRINT_FIELD(DSO))
 547                 output[type].print_ip_opts |= EVSEL__PRINT_DSO;
 548
 549         if (PRINT_FIELD(SYMOFFSET))
 550                 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
 551
 552         if (PRINT_FIELD(SRCLINE))
 553                 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
 554 }
 555
 556 static struct evsel *find_first_output_type(struct evlist *evlist,
 557                                             unsigned int type)
 558 {
 559         struct evsel *evsel;
 560
 561         evlist__for_each_entry(evlist, evsel) {
 562                 if (output_type(evsel->core.attr.type) == (int)type)
 563                         return evsel;
 564         }
 565         return NULL;
 566 }
 567
 568 /*
 569  * verify all user requested events exist and the samples
 570  * have the expected data
 571  */
 572 static int perf_session__check_output_opt(struct perf_session *session)
 573 {
 574         bool tod = false;
 575         unsigned int j;
 576         struct evsel *evsel;
 577
 578         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 579                 evsel = find_first_output_type(session->evlist, j);
 580
 581                 /*
 582                  * even if fields is set to 0 (ie., show nothing) event must
 583                  * exist if user explicitly includes it on the command line
 584                  */
 585                 if (!evsel && output[j].user_set && !output[j].wildcard_set &&
 586                     j != OUTPUT_TYPE_SYNTH) {
 587                         pr_err("%s events do not exist. "
 588                                "Remove corresponding -F option to proceed.\n",
 589                                event_type(j));
 590                         return -1;
 591                 }
 592
 593                 if (evsel && output[j].fields &&
 594                         evsel__check_attr(evsel, session))
 595                         return -1;
 596
 597                 if (evsel == NULL)
 598                         continue;
 599
 600                 set_print_ip_opts(&evsel->core.attr);
 601                 tod |= output[j].fields & PERF_OUTPUT_TOD;
 602         }
 603
 604         if (!no_callchain) {
 605                 bool use_callchain = false;
 606                 bool not_pipe = false;
 607
 608                 evlist__for_each_entry(session->evlist, evsel) {
 609                         not_pipe = true;
 610                         if (evsel__has_callchain(evsel)) {
 611                                 use_callchain = true;
 612                                 break;
 613                         }
 614                 }
 615                 if (not_pipe && !use_callchain)
 616                         symbol_conf.use_callchain = false;
 617         }
 618
 619         /*
 620          * set default for tracepoints to print symbols only
 621          * if callchains are present
 622          */
 623         if (symbol_conf.use_callchain &&
 624             !output[PERF_TYPE_TRACEPOINT].user_set) {
 625                 j = PERF_TYPE_TRACEPOINT;
 626
 627                 evlist__for_each_entry(session->evlist, evsel) {
 628                         if (evsel->core.attr.type != j)
 629                                 continue;
 630
 631                         if (evsel__has_callchain(evsel)) {
 632                                 output[j].fields |= PERF_OUTPUT_IP;
 633                                 output[j].fields |= PERF_OUTPUT_SYM;
 634                                 output[j].fields |= PERF_OUTPUT_SYMOFFSET;
 635                                 output[j].fields |= PERF_OUTPUT_DSO;
 636                                 set_print_ip_opts(&evsel->core.attr);
 637                                 goto out;
 638                         }
 639                 }
 640         }
 641
 642         if (tod && !session->header.env.clock.enabled) {
 643                 pr_err("Can't provide 'tod' time, missing clock data. "
 644                        "Please record with -k/--clockid option.\n");
 645                 return -1;
 646         }
 647 out:
 648         return 0;
 649 }
 650
 651 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask,
 652                                      FILE *fp)
 653 {
 654         unsigned i = 0, r;
 655         int printed = 0;
 656
 657         if (!regs || !regs->regs)
 658                 return 0;
 659
 660         printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
 661
 662         for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
 663                 u64 val = regs->regs[i++];
 664                 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
 665         }
 666
 667         return printed;
 668 }
 669
 670 #define DEFAULT_TOD_FMT "%F %H:%M:%S"
 671
 672 static char*
 673 tod_scnprintf(struct perf_script *script, char *buf, int buflen,
 674              u64 timestamp)
 675 {
 676         u64 tod_ns, clockid_ns;
 677         struct perf_env *env;
 678         unsigned long nsec;
 679         struct tm ltime;
 680         char date[64];
 681         time_t sec;
 682
 683         buf[0] = '\0';
 684         if (buflen < 64 || !script)
 685                 return buf;
 686
 687         env = &script->session->header.env;
 688         if (!env->clock.enabled) {
 689                 scnprintf(buf, buflen, "disabled");
 690                 return buf;
 691         }
 692
 693         clockid_ns = env->clock.clockid_ns;
 694         tod_ns     = env->clock.tod_ns;
 695
 696         if (timestamp > clockid_ns)
 697                 tod_ns += timestamp - clockid_ns;
 698         else
 699                 tod_ns -= clockid_ns - timestamp;
 700
 701         sec  = (time_t) (tod_ns / NSEC_PER_SEC);
 702         nsec = tod_ns - sec * NSEC_PER_SEC;
 703
 704         if (localtime_r(&sec, &ltime) == NULL) {
 705                 scnprintf(buf, buflen, "failed");
 706         } else {
 707                 strftime(date, sizeof(date), DEFAULT_TOD_FMT, &ltime);
 708
 709                 if (symbol_conf.nanosecs) {
 710                         snprintf(buf, buflen, "%s.%09lu", date, nsec);
 711                 } else {
 712                         snprintf(buf, buflen, "%s.%06lu",
 713                                  date, nsec / NSEC_PER_USEC);
 714                 }
 715         }
 716
 717         return buf;
 718 }
 719
 720 static int perf_sample__fprintf_iregs(struct perf_sample *sample,
 721                                       struct perf_event_attr *attr, FILE *fp)
 722 {
 723         return perf_sample__fprintf_regs(&sample->intr_regs,
 724                                          attr->sample_regs_intr, fp);
 725 }
 726
 727 static int perf_sample__fprintf_uregs(struct perf_sample *sample,
 728                                       struct perf_event_attr *attr, FILE *fp)
 729 {
 730         return perf_sample__fprintf_regs(&sample->user_regs,
 731                                          attr->sample_regs_user, fp);
 732 }
 733
 734 static int perf_sample__fprintf_start(struct perf_script *script,
 735                                       struct perf_sample *sample,
 736                                       struct thread *thread,
 737                                       struct evsel *evsel,
 738                                       u32 type, FILE *fp)
 739 {
 740         struct perf_event_attr *attr = &evsel->core.attr;
 741         unsigned long secs;
 742         unsigned long long nsecs;
 743         int printed = 0;
 744         char tstr[128];
 745
 746         if (PRINT_FIELD(COMM)) {
 747                 const char *comm = thread ? thread__comm_str(thread) : ":-1";
 748
 749                 if (latency_format)
 750                         printed += fprintf(fp, "%8.8s ", comm);
 751                 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
 752                         printed += fprintf(fp, "%s ", comm);
 753                 else
 754                         printed += fprintf(fp, "%16s ", comm);
 755         }
 756
 757         if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
 758                 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid);
 759         else if (PRINT_FIELD(PID))
 760                 printed += fprintf(fp, "%5d ", sample->pid);
 761         else if (PRINT_FIELD(TID))
 762                 printed += fprintf(fp, "%5d ", sample->tid);
 763
 764         if (PRINT_FIELD(CPU)) {
 765                 if (latency_format)
 766                         printed += fprintf(fp, "%3d ", sample->cpu);
 767                 else
 768                         printed += fprintf(fp, "[%03d] ", sample->cpu);
 769         }
 770
 771         if (PRINT_FIELD(MISC)) {
 772                 int ret = 0;
 773
 774                 #define has(m) \
 775                         (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
 776
 777                 if (has(KERNEL))
 778                         ret += fprintf(fp, "K");
 779                 if (has(USER))
 780                         ret += fprintf(fp, "U");
 781                 if (has(HYPERVISOR))
 782                         ret += fprintf(fp, "H");
 783                 if (has(GUEST_KERNEL))
 784                         ret += fprintf(fp, "G");
 785                 if (has(GUEST_USER))
 786                         ret += fprintf(fp, "g");
 787
 788                 switch (type) {
 789                 case PERF_RECORD_MMAP:
 790                 case PERF_RECORD_MMAP2:
 791                         if (has(MMAP_DATA))
 792                                 ret += fprintf(fp, "M");
 793                         break;
 794                 case PERF_RECORD_COMM:
 795                         if (has(COMM_EXEC))
 796                                 ret += fprintf(fp, "E");
 797                         break;
 798                 case PERF_RECORD_SWITCH:
 799                 case PERF_RECORD_SWITCH_CPU_WIDE:
 800                         if (has(SWITCH_OUT)) {
 801                                 ret += fprintf(fp, "S");
 802                                 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
 803                                         ret += fprintf(fp, "p");
 804                         }
 805                 default:
 806                         break;
 807                 }
 808
 809                 #undef has
 810
 811                 ret += fprintf(fp, "%*s", 6 - ret, " ");
 812                 printed += ret;
 813         }
 814
 815         if (PRINT_FIELD(TOD)) {
 816                 tod_scnprintf(script, tstr, sizeof(tstr), sample->time);
 817                 printed += fprintf(fp, "%s ", tstr);
 818         }
 819
 820         if (PRINT_FIELD(TIME)) {
 821                 u64 t = sample->time;
 822                 if (reltime) {
 823                         if (!initial_time)
 824                                 initial_time = sample->time;
 825                         t = sample->time - initial_time;
 826                 } else if (deltatime) {
 827                         if (previous_time)
 828                                 t = sample->time - previous_time;
 829                         else {
 830                                 t = 0;
 831                         }
 832                         previous_time = sample->time;
 833                 }
 834                 nsecs = t;
 835                 secs = nsecs / NSEC_PER_SEC;
 836                 nsecs -= secs * NSEC_PER_SEC;
 837
 838                 if (symbol_conf.nanosecs)
 839                         printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
 840                 else {
 841                         char sample_time[32];
 842                         timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time));
 843                         printed += fprintf(fp, "%12s: ", sample_time);
 844                 }
 845         }
 846
 847         return printed;
 848 }
 849
 850 static inline char
 851 mispred_str(struct branch_entry *br)
 852 {
 853         if (!(br->flags.mispred  || br->flags.predicted))
 854                 return '-';
 855
 856         return br->flags.predicted ? 'P' : 'M';
 857 }
 858
 859 static int perf_sample__fprintf_brstack(struct perf_sample *sample,
 860                                         struct thread *thread,
 861                                         struct perf_event_attr *attr, FILE *fp)
 862 {
 863         struct branch_stack *br = sample->branch_stack;
 864         struct branch_entry *entries = perf_sample__branch_entries(sample);
 865         struct addr_location alf, alt;
 866         u64 i, from, to;
 867         int printed = 0;
 868
 869         if (!(br && br->nr))
 870                 return 0;
 871
 872         for (i = 0; i < br->nr; i++) {
 873                 from = entries[i].from;
 874                 to   = entries[i].to;
 875
 876                 if (PRINT_FIELD(DSO)) {
 877                         memset(&alf, 0, sizeof(alf));
 878                         memset(&alt, 0, sizeof(alt));
 879                         thread__find_map_fb(thread, sample->cpumode, from, &alf);
 880                         thread__find_map_fb(thread, sample->cpumode, to, &alt);
 881                 }
 882
 883                 printed += fprintf(fp, " 0x%"PRIx64, from);
 884                 if (PRINT_FIELD(DSO)) {
 885                         printed += fprintf(fp, "(");
 886                         printed += map__fprintf_dsoname(alf.map, fp);
 887                         printed += fprintf(fp, ")");
 888                 }
 889
 890                 printed += fprintf(fp, "/0x%"PRIx64, to);
 891                 if (PRINT_FIELD(DSO)) {
 892                         printed += fprintf(fp, "(");
 893                         printed += map__fprintf_dsoname(alt.map, fp);
 894                         printed += fprintf(fp, ")");
 895                 }
 896
 897                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 898                         mispred_str(entries + i),
 899                         entries[i].flags.in_tx ? 'X' : '-',
 900                         entries[i].flags.abort ? 'A' : '-',
 901                         entries[i].flags.cycles);
 902         }
 903
 904         return printed;
 905 }
 906
 907 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
 908                                            struct thread *thread,
 909                                            struct perf_event_attr *attr, FILE *fp)
 910 {
 911         struct branch_stack *br = sample->branch_stack;
 912         struct branch_entry *entries = perf_sample__branch_entries(sample);
 913         struct addr_location alf, alt;
 914         u64 i, from, to;
 915         int printed = 0;
 916
 917         if (!(br && br->nr))
 918                 return 0;
 919
 920         for (i = 0; i < br->nr; i++) {
 921
 922                 memset(&alf, 0, sizeof(alf));
 923                 memset(&alt, 0, sizeof(alt));
 924                 from = entries[i].from;
 925                 to   = entries[i].to;
 926
 927                 thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
 928                 thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
 929
 930                 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
 931                 if (PRINT_FIELD(DSO)) {
 932                         printed += fprintf(fp, "(");
 933                         printed += map__fprintf_dsoname(alf.map, fp);
 934                         printed += fprintf(fp, ")");
 935                 }
 936                 printed += fprintf(fp, "%c", '/');
 937                 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
 938                 if (PRINT_FIELD(DSO)) {
 939                         printed += fprintf(fp, "(");
 940                         printed += map__fprintf_dsoname(alt.map, fp);
 941                         printed += fprintf(fp, ")");
 942                 }
 943                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 944                         mispred_str(entries + i),
 945                         entries[i].flags.in_tx ? 'X' : '-',
 946                         entries[i].flags.abort ? 'A' : '-',
 947                         entries[i].flags.cycles);
 948         }
 949
 950         return printed;
 951 }
 952
 953 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
 954                                            struct thread *thread,
 955                                            struct perf_event_attr *attr, FILE *fp)
 956 {
 957         struct branch_stack *br = sample->branch_stack;
 958         struct branch_entry *entries = perf_sample__branch_entries(sample);
 959         struct addr_location alf, alt;
 960         u64 i, from, to;
 961         int printed = 0;
 962
 963         if (!(br && br->nr))
 964                 return 0;
 965
 966         for (i = 0; i < br->nr; i++) {
 967
 968                 memset(&alf, 0, sizeof(alf));
 969                 memset(&alt, 0, sizeof(alt));
 970                 from = entries[i].from;
 971                 to   = entries[i].to;
 972
 973                 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
 974                     !alf.map->dso->adjust_symbols)
 975                         from = map__map_ip(alf.map, from);
 976
 977                 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
 978                     !alt.map->dso->adjust_symbols)
 979                         to = map__map_ip(alt.map, to);
 980
 981                 printed += fprintf(fp, " 0x%"PRIx64, from);
 982                 if (PRINT_FIELD(DSO)) {
 983                         printed += fprintf(fp, "(");
 984                         printed += map__fprintf_dsoname(alf.map, fp);
 985                         printed += fprintf(fp, ")");
 986                 }
 987                 printed += fprintf(fp, "/0x%"PRIx64, to);
 988                 if (PRINT_FIELD(DSO)) {
 989                         printed += fprintf(fp, "(");
 990                         printed += map__fprintf_dsoname(alt.map, fp);
 991                         printed += fprintf(fp, ")");
 992                 }
 993                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 994                         mispred_str(entries + i),
 995                         entries[i].flags.in_tx ? 'X' : '-',
 996                         entries[i].flags.abort ? 'A' : '-',
 997                         entries[i].flags.cycles);
 998         }
 999
1000         return printed;
1001 }
1002 #define MAXBB 16384UL
1003
1004 static int grab_bb(u8 *buffer, u64 start, u64 end,
1005                     struct machine *machine, struct thread *thread,
1006                     bool *is64bit, u8 *cpumode, bool last)
1007 {
1008         long offset, len;
1009         struct addr_location al;
1010         bool kernel;
1011
1012         if (!start || !end)
1013                 return 0;
1014
1015         kernel = machine__kernel_ip(machine, start);
1016         if (kernel)
1017                 *cpumode = PERF_RECORD_MISC_KERNEL;
1018         else
1019                 *cpumode = PERF_RECORD_MISC_USER;
1020
1021         /*
1022          * Block overlaps between kernel and user.
1023          * This can happen due to ring filtering
1024          * On Intel CPUs the entry into the kernel is filtered,
1025          * but the exit is not. Let the caller patch it up.
1026          */
1027         if (kernel != machine__kernel_ip(machine, end)) {
1028                 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
1029                 return -ENXIO;
1030         }
1031
1032         memset(&al, 0, sizeof(al));
1033         if (end - start > MAXBB - MAXINSN) {
1034                 if (last)
1035                         pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
1036                 else
1037                         pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
1038                 return 0;
1039         }
1040
1041         if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) {
1042                 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1043                 return 0;
1044         }
1045         if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
1046                 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1047                 return 0;
1048         }
1049
1050         /* Load maps to ensure dso->is_64_bit has been updated */
1051         map__load(al.map);
1052
1053         offset = al.map->map_ip(al.map, start);
1054         len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer,
1055                                     end - start + MAXINSN);
1056
1057         *is64bit = al.map->dso->is_64_bit;
1058         if (len <= 0)
1059                 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
1060                         start, end);
1061         return len;
1062 }
1063
1064 static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state)
1065 {
1066         char *srcfile;
1067         int ret = 0;
1068         unsigned line;
1069         int len;
1070         char *srccode;
1071
1072         if (!map || !map->dso)
1073                 return 0;
1074         srcfile = get_srcline_split(map->dso,
1075                                     map__rip_2objdump(map, addr),
1076                                     &line);
1077         if (!srcfile)
1078                 return 0;
1079
1080         /* Avoid redundant printing */
1081         if (state &&
1082             state->srcfile &&
1083             !strcmp(state->srcfile, srcfile) &&
1084             state->line == line) {
1085                 free(srcfile);
1086                 return 0;
1087         }
1088
1089         srccode = find_sourceline(srcfile, line, &len);
1090         if (!srccode)
1091                 goto out_free_line;
1092
1093         ret = fprintf(fp, "|%-8d %.*s", line, len, srccode);
1094
1095         if (state) {
1096                 state->srcfile = srcfile;
1097                 state->line = line;
1098         }
1099         return ret;
1100
1101 out_free_line:
1102         free(srcfile);
1103         return ret;
1104 }
1105
1106 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr)
1107 {
1108         struct addr_location al;
1109         int ret = 0;
1110
1111         memset(&al, 0, sizeof(al));
1112         thread__find_map(thread, cpumode, addr, &al);
1113         if (!al.map)
1114                 return 0;
1115         ret = map__fprintf_srccode(al.map, al.addr, stdout,
1116                     &thread->srccode_state);
1117         if (ret)
1118                 ret += printf("\n");
1119         return ret;
1120 }
1121
1122 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
1123                             struct perf_insn *x, u8 *inbuf, int len,
1124                             int insn, FILE *fp, int *total_cycles)
1125 {
1126         int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip,
1127                               dump_insn(x, ip, inbuf, len, NULL),
1128                               en->flags.predicted ? " PRED" : "",
1129                               en->flags.mispred ? " MISPRED" : "",
1130                               en->flags.in_tx ? " INTX" : "",
1131                               en->flags.abort ? " ABORT" : "");
1132         if (en->flags.cycles) {
1133                 *total_cycles += en->flags.cycles;
1134                 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles);
1135                 if (insn)
1136                         printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
1137         }
1138         return printed + fprintf(fp, "\n");
1139 }
1140
1141 static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
1142                            u8 cpumode, int cpu, struct symbol **lastsym,
1143                            struct perf_event_attr *attr, FILE *fp)
1144 {
1145         struct addr_location al;
1146         int off, printed = 0;
1147
1148         memset(&al, 0, sizeof(al));
1149
1150         thread__find_map(thread, cpumode, addr, &al);
1151
1152         if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
1153                 return 0;
1154
1155         al.cpu = cpu;
1156         al.sym = NULL;
1157         if (al.map)
1158                 al.sym = map__find_symbol(al.map, al.addr);
1159
1160         if (!al.sym)
1161                 return 0;
1162
1163         if (al.addr < al.sym->end)
1164                 off = al.addr - al.sym->start;
1165         else
1166                 off = al.addr - al.map->start - al.sym->start;
1167         printed += fprintf(fp, "\t%s", al.sym->name);
1168         if (off)
1169                 printed += fprintf(fp, "%+d", off);
1170         printed += fprintf(fp, ":");
1171         if (PRINT_FIELD(SRCLINE))
1172                 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
1173         printed += fprintf(fp, "\n");
1174         *lastsym = al.sym;
1175
1176         return printed;
1177 }
1178
1179 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
1180                                             struct thread *thread,
1181                                             struct perf_event_attr *attr,
1182                                             struct machine *machine, FILE *fp)
1183 {
1184         struct branch_stack *br = sample->branch_stack;
1185         struct branch_entry *entries = perf_sample__branch_entries(sample);
1186         u64 start, end;
1187         int i, insn, len, nr, ilen, printed = 0;
1188         struct perf_insn x;
1189         u8 buffer[MAXBB];
1190         unsigned off;
1191         struct symbol *lastsym = NULL;
1192         int total_cycles = 0;
1193
1194         if (!(br && br->nr))
1195                 return 0;
1196         nr = br->nr;
1197         if (max_blocks && nr > max_blocks + 1)
1198                 nr = max_blocks + 1;
1199
1200         x.thread = thread;
1201         x.cpu = sample->cpu;
1202
1203         printed += fprintf(fp, "%c", '\n');
1204
1205         /* Handle first from jump, of which we don't know the entry. */
1206         len = grab_bb(buffer, entries[nr-1].from,
1207                         entries[nr-1].from,
1208                         machine, thread, &x.is64bit, &x.cpumode, false);
1209         if (len > 0) {
1210                 printed += ip__fprintf_sym(entries[nr - 1].from, thread,
1211                                            x.cpumode, x.cpu, &lastsym, attr, fp);
1212                 printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1],
1213                                             &x, buffer, len, 0, fp, &total_cycles);
1214                 if (PRINT_FIELD(SRCCODE))
1215                         printed += print_srccode(thread, x.cpumode, entries[nr - 1].from);
1216         }
1217
1218         /* Print all blocks */
1219         for (i = nr - 2; i >= 0; i--) {
1220                 if (entries[i].from || entries[i].to)
1221                         pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1222                                  entries[i].from,
1223                                  entries[i].to);
1224                 start = entries[i + 1].to;
1225                 end   = entries[i].from;
1226
1227                 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1228                 /* Patch up missing kernel transfers due to ring filters */
1229                 if (len == -ENXIO && i > 0) {
1230                         end = entries[--i].from;
1231                         pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1232                         len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1233                 }
1234                 if (len <= 0)
1235                         continue;
1236
1237                 insn = 0;
1238                 for (off = 0; off < (unsigned)len; off += ilen) {
1239                         uint64_t ip = start + off;
1240
1241                         printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1242                         if (ip == end) {
1243                                 printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp,
1244                                                             &total_cycles);
1245                                 if (PRINT_FIELD(SRCCODE))
1246                                         printed += print_srccode(thread, x.cpumode, ip);
1247                                 break;
1248                         } else {
1249                                 ilen = 0;
1250                                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip,
1251                                                    dump_insn(&x, ip, buffer + off, len - off, &ilen));
1252                                 if (ilen == 0)
1253                                         break;
1254                                 if (PRINT_FIELD(SRCCODE))
1255                                         print_srccode(thread, x.cpumode, ip);
1256                                 insn++;
1257                         }
1258                 }
1259                 if (off != end - start)
1260                         printed += fprintf(fp, "\tmismatch of LBR data and executable\n");
1261         }
1262
1263         /*
1264          * Hit the branch? In this case we are already done, and the target
1265          * has not been executed yet.
1266          */
1267         if (entries[0].from == sample->ip)
1268                 goto out;
1269         if (entries[0].flags.abort)
1270                 goto out;
1271
1272         /*
1273          * Print final block upto sample
1274          *
1275          * Due to pipeline delays the LBRs might be missing a branch
1276          * or two, which can result in very large or negative blocks
1277          * between final branch and sample. When this happens just
1278          * continue walking after the last TO until we hit a branch.
1279          */
1280         start = entries[0].to;
1281         end = sample->ip;
1282         if (end < start) {
1283                 /* Missing jump. Scan 128 bytes for the next branch */
1284                 end = start + 128;
1285         }
1286         len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1287         printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1288         if (len <= 0) {
1289                 /* Print at least last IP if basic block did not work */
1290                 len = grab_bb(buffer, sample->ip, sample->ip,
1291                               machine, thread, &x.is64bit, &x.cpumode, false);
1292                 if (len <= 0)
1293                         goto out;
1294                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip,
1295                         dump_insn(&x, sample->ip, buffer, len, NULL));
1296                 if (PRINT_FIELD(SRCCODE))
1297                         print_srccode(thread, x.cpumode, sample->ip);
1298                 goto out;
1299         }
1300         for (off = 0; off <= end - start; off += ilen) {
1301                 ilen = 0;
1302                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off,
1303                                    dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1304                 if (ilen == 0)
1305                         break;
1306                 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) {
1307                         /*
1308                          * Hit a missing branch. Just stop.
1309                          */
1310                         printed += fprintf(fp, "\t... not reaching sample ...\n");
1311                         break;
1312                 }
1313                 if (PRINT_FIELD(SRCCODE))
1314                         print_srccode(thread, x.cpumode, start + off);
1315         }
1316 out:
1317         return printed;
1318 }
1319
1320 static int perf_sample__fprintf_addr(struct perf_sample *sample,
1321                                      struct thread *thread,
1322                                      struct perf_event_attr *attr, FILE *fp)
1323 {
1324         struct addr_location al;
1325         int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1326
1327         if (!sample_addr_correlates_sym(attr))
1328                 goto out;
1329
1330         thread__resolve(thread, &al, sample);
1331
1332         if (PRINT_FIELD(SYM)) {
1333                 printed += fprintf(fp, " ");
1334                 if (PRINT_FIELD(SYMOFFSET))
1335                         printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1336                 else
1337                         printed += symbol__fprintf_symname(al.sym, fp);
1338         }
1339
1340         if (PRINT_FIELD(DSO)) {
1341                 printed += fprintf(fp, " (");
1342                 printed += map__fprintf_dsoname(al.map, fp);
1343                 printed += fprintf(fp, ")");
1344         }
1345 out:
1346         return printed;
1347 }
1348
1349 static const char *resolve_branch_sym(struct perf_sample *sample,
1350                                       struct evsel *evsel,
1351                                       struct thread *thread,
1352                                       struct addr_location *al,
1353                                       struct addr_location *addr_al,
1354                                       u64 *ip)
1355 {
1356         struct perf_event_attr *attr = &evsel->core.attr;
1357         const char *name = NULL;
1358
1359         if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1360                 if (sample_addr_correlates_sym(attr)) {
1361                         if (!addr_al->thread)
1362                                 thread__resolve(thread, addr_al, sample);
1363                         if (addr_al->sym)
1364                                 name = addr_al->sym->name;
1365                         else
1366                                 *ip = sample->addr;
1367                 } else {
1368                         *ip = sample->addr;
1369                 }
1370         } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1371                 if (al->sym)
1372                         name = al->sym->name;
1373                 else
1374                         *ip = sample->ip;
1375         }
1376         return name;
1377 }
1378
1379 static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1380                                            struct evsel *evsel,
1381                                            struct thread *thread,
1382                                            struct addr_location *al,
1383                                            struct addr_location *addr_al,
1384                                            FILE *fp)
1385 {
1386         struct perf_event_attr *attr = &evsel->core.attr;
1387         size_t depth = thread_stack__depth(thread, sample->cpu);
1388         const char *name = NULL;
1389         static int spacing;
1390         int len = 0;
1391         int dlen = 0;
1392         u64 ip = 0;
1393
1394         /*
1395          * The 'return' has already been popped off the stack so the depth has
1396          * to be adjusted to match the 'call'.
1397          */
1398         if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
1399                 depth += 1;
1400
1401         name = resolve_branch_sym(sample, evsel, thread, al, addr_al, &ip);
1402
1403         if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
1404                 dlen += fprintf(fp, "(");
1405                 dlen += map__fprintf_dsoname(al->map, fp);
1406                 dlen += fprintf(fp, ")\t");
1407         }
1408
1409         if (name)
1410                 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1411         else if (ip)
1412                 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1413
1414         if (len < 0)
1415                 return len;
1416
1417         /*
1418          * Try to keep the output length from changing frequently so that the
1419          * output lines up more nicely.
1420          */
1421         if (len > spacing || (len && len < spacing - 52))
1422                 spacing = round_up(len + 4, 32);
1423
1424         if (len < spacing)
1425                 len += fprintf(fp, "%*s", spacing - len, "");
1426
1427         return len + dlen;
1428 }
1429
1430 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused,
1431                             struct thread *thread __maybe_unused,
1432                             struct machine *machine __maybe_unused)
1433 {
1434 }
1435
1436 void script_fetch_insn(struct perf_sample *sample, struct thread *thread,
1437                        struct machine *machine)
1438 {
1439         if (sample->insn_len == 0 && native_arch)
1440                 arch_fetch_insn(sample, thread, machine);
1441 }
1442
1443 static int perf_sample__fprintf_insn(struct perf_sample *sample,
1444                                      struct perf_event_attr *attr,
1445                                      struct thread *thread,
1446                                      struct machine *machine, FILE *fp)
1447 {
1448         int printed = 0;
1449
1450         script_fetch_insn(sample, thread, machine);
1451
1452         if (PRINT_FIELD(INSNLEN))
1453                 printed += fprintf(fp, " ilen: %d", sample->insn_len);
1454         if (PRINT_FIELD(INSN) && sample->insn_len) {
1455                 int i;
1456
1457                 printed += fprintf(fp, " insn:");
1458                 for (i = 0; i < sample->insn_len; i++)
1459                         printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
1460         }
1461         if (PRINT_FIELD(BRSTACKINSN))
1462                 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
1463
1464         return printed;
1465 }
1466
1467 static int perf_sample__fprintf_ipc(struct perf_sample *sample,
1468                                     struct perf_event_attr *attr, FILE *fp)
1469 {
1470         unsigned int ipc;
1471
1472         if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt)
1473                 return 0;
1474
1475         ipc = (sample->insn_cnt * 100) / sample->cyc_cnt;
1476
1477         return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ",
1478                        ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt);
1479 }
1480
1481 static int perf_sample__fprintf_bts(struct perf_sample *sample,
1482                                     struct evsel *evsel,
1483                                     struct thread *thread,
1484                                     struct addr_location *al,
1485                                     struct addr_location *addr_al,
1486                                     struct machine *machine, FILE *fp)
1487 {
1488         struct perf_event_attr *attr = &evsel->core.attr;
1489         unsigned int type = output_type(attr->type);
1490         bool print_srcline_last = false;
1491         int printed = 0;
1492
1493         if (PRINT_FIELD(CALLINDENT))
1494                 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, addr_al, fp);
1495
1496         /* print branch_from information */
1497         if (PRINT_FIELD(IP)) {
1498                 unsigned int print_opts = output[type].print_ip_opts;
1499                 struct callchain_cursor *cursor = NULL;
1500
1501                 if (symbol_conf.use_callchain && sample->callchain &&
1502                     thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1503                                               sample, NULL, NULL, scripting_max_stack) == 0)
1504                         cursor = &callchain_cursor;
1505
1506                 if (cursor == NULL) {
1507                         printed += fprintf(fp, " ");
1508                         if (print_opts & EVSEL__PRINT_SRCLINE) {
1509                                 print_srcline_last = true;
1510                                 print_opts &= ~EVSEL__PRINT_SRCLINE;
1511                         }
1512                 } else
1513                         printed += fprintf(fp, "\n");
1514
1515                 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor,
1516                                                symbol_conf.bt_stop_list, fp);
1517         }
1518
1519         /* print branch_to information */
1520         if (PRINT_FIELD(ADDR) ||
1521             ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
1522              !output[type].user_set)) {
1523                 printed += fprintf(fp, " => ");
1524                 printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1525         }
1526
1527         printed += perf_sample__fprintf_ipc(sample, attr, fp);
1528
1529         if (print_srcline_last)
1530                 printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
1531
1532         printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1533         printed += fprintf(fp, "\n");
1534         if (PRINT_FIELD(SRCCODE)) {
1535                 int ret = map__fprintf_srccode(al->map, al->addr, stdout,
1536                                          &thread->srccode_state);
1537                 if (ret) {
1538                         printed += ret;
1539                         printed += printf("\n");
1540                 }
1541         }
1542         return printed;
1543 }
1544
1545 static struct {
1546         u32 flags;
1547         const char *name;
1548 } sample_flags[] = {
1549         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1550         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1551         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1552         {PERF_IP_FLAG_BRANCH, "jmp"},
1553         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1554         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1555         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1556         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1557         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1558         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"},
1559         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1560         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1561         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1562         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMENTRY, "vmentry"},
1563         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMEXIT, "vmexit"},
1564         {0, NULL}
1565 };
1566
1567 static const char *sample_flags_to_name(u32 flags)
1568 {
1569         int i;
1570
1571         for (i = 0; sample_flags[i].name ; i++) {
1572                 if (sample_flags[i].flags == flags)
1573                         return sample_flags[i].name;
1574         }
1575
1576         return NULL;
1577 }
1578
1579 int perf_sample__sprintf_flags(u32 flags, char *str, size_t sz)
1580 {
1581         const char *chars = PERF_IP_FLAG_CHARS;
1582         const size_t n = strlen(PERF_IP_FLAG_CHARS);
1583         bool in_tx = flags & PERF_IP_FLAG_IN_TX;
1584         const char *name = NULL;
1585         size_t i, pos = 0;
1586
1587         name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX);
1588         if (name)
1589                 return snprintf(str, sz, "%-15s%4s", name, in_tx ? "(x)" : "");
1590
1591         if (flags & PERF_IP_FLAG_TRACE_BEGIN) {
1592                 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN));
1593                 if (name)
1594                         return snprintf(str, sz, "tr strt %-7s%4s", name, in_tx ? "(x)" : "");
1595         }
1596
1597         if (flags & PERF_IP_FLAG_TRACE_END) {
1598                 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END));
1599                 if (name)
1600                         return snprintf(str, sz, "tr end  %-7s%4s", name, in_tx ? "(x)" : "");
1601         }
1602
1603         for (i = 0; i < n; i++, flags >>= 1) {
1604                 if ((flags & 1) && pos < sz)
1605                         str[pos++] = chars[i];
1606         }
1607         for (; i < 32; i++, flags >>= 1) {
1608                 if ((flags & 1) && pos < sz)
1609                         str[pos++] = '?';
1610         }
1611         if (pos < sz)
1612                 str[pos] = 0;
1613
1614         return pos;
1615 }
1616
1617 static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1618 {
1619         char str[SAMPLE_FLAGS_BUF_SIZE];
1620
1621         perf_sample__sprintf_flags(flags, str, sizeof(str));
1622         return fprintf(fp, "  %-19s ", str);
1623 }
1624
1625 struct printer_data {
1626         int line_no;
1627         bool hit_nul;
1628         bool is_printable;
1629 };
1630
1631 static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1632                                       unsigned int val,
1633                                       void *extra, FILE *fp)
1634 {
1635         unsigned char ch = (unsigned char)val;
1636         struct printer_data *printer_data = extra;
1637         int printed = 0;
1638
1639         switch (op) {
1640         case BINARY_PRINT_DATA_BEGIN:
1641                 printed += fprintf(fp, "\n");
1642                 break;
1643         case BINARY_PRINT_LINE_BEGIN:
1644                 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1645                                                         "           ");
1646                 break;
1647         case BINARY_PRINT_ADDR:
1648                 printed += fprintf(fp, " %04x:", val);
1649                 break;
1650         case BINARY_PRINT_NUM_DATA:
1651                 printed += fprintf(fp, " %02x", val);
1652                 break;
1653         case BINARY_PRINT_NUM_PAD:
1654                 printed += fprintf(fp, "   ");
1655                 break;
1656         case BINARY_PRINT_SEP:
1657                 printed += fprintf(fp, "  ");
1658                 break;
1659         case BINARY_PRINT_CHAR_DATA:
1660                 if (printer_data->hit_nul && ch)
1661                         printer_data->is_printable = false;
1662
1663                 if (!isprint(ch)) {
1664                         printed += fprintf(fp, "%c", '.');
1665
1666                         if (!printer_data->is_printable)
1667                                 break;
1668
1669                         if (ch == '\0')
1670                                 printer_data->hit_nul = true;
1671                         else
1672                                 printer_data->is_printable = false;
1673                 } else {
1674                         printed += fprintf(fp, "%c", ch);
1675                 }
1676                 break;
1677         case BINARY_PRINT_CHAR_PAD:
1678                 printed += fprintf(fp, " ");
1679                 break;
1680         case BINARY_PRINT_LINE_END:
1681                 printed += fprintf(fp, "\n");
1682                 printer_data->line_no++;
1683                 break;
1684         case BINARY_PRINT_DATA_END:
1685         default:
1686                 break;
1687         }
1688
1689         return printed;
1690 }
1691
1692 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1693 {
1694         unsigned int nr_bytes = sample->raw_size;
1695         struct printer_data printer_data = {0, false, true};
1696         int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1697                                       sample__fprintf_bpf_output, &printer_data, fp);
1698
1699         if (printer_data.is_printable && printer_data.hit_nul)
1700                 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1701
1702         return printed;
1703 }
1704
1705 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1706 {
1707         if (len > 0 && len < spacing)
1708                 return fprintf(fp, "%*s", spacing - len, "");
1709
1710         return 0;
1711 }
1712
1713 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1714 {
1715         return perf_sample__fprintf_spacing(len, 34, fp);
1716 }
1717
1718 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1719 {
1720         struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1721         int len;
1722
1723         if (perf_sample__bad_synth_size(sample, *data))
1724                 return 0;
1725
1726         len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ",
1727                      data->ip, le64_to_cpu(data->payload));
1728         return len + perf_sample__fprintf_pt_spacing(len, fp);
1729 }
1730
1731 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1732 {
1733         struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1734         int len;
1735
1736         if (perf_sample__bad_synth_size(sample, *data))
1737                 return 0;
1738
1739         len = fprintf(fp, " hints: %#x extensions: %#x ",
1740                       data->hints, data->extensions);
1741         return len + perf_sample__fprintf_pt_spacing(len, fp);
1742 }
1743
1744 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1745 {
1746         struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1747         int len;
1748
1749         if (perf_sample__bad_synth_size(sample, *data))
1750                 return 0;
1751
1752         len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1753                       data->hw, data->cstate, data->subcstate);
1754         return len + perf_sample__fprintf_pt_spacing(len, fp);
1755 }
1756
1757 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1758 {
1759         struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1760         int len;
1761
1762         if (perf_sample__bad_synth_size(sample, *data))
1763                 return 0;
1764
1765         len = fprintf(fp, " IP: %u ", data->ip);
1766         return len + perf_sample__fprintf_pt_spacing(len, fp);
1767 }
1768
1769 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1770 {
1771         struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1772         int len;
1773
1774         if (perf_sample__bad_synth_size(sample, *data))
1775                 return 0;
1776
1777         len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1778                      data->deepest_cstate, data->last_cstate,
1779                      data->wake_reason);
1780         return len + perf_sample__fprintf_pt_spacing(len, fp);
1781 }
1782
1783 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1784 {
1785         struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1786         unsigned int percent, freq;
1787         int len;
1788
1789         if (perf_sample__bad_synth_size(sample, *data))
1790                 return 0;
1791
1792         freq = (le32_to_cpu(data->freq) + 500) / 1000;
1793         len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1794         if (data->max_nonturbo) {
1795                 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1796                 len += fprintf(fp, "(%3u%%) ", percent);
1797         }
1798         return len + perf_sample__fprintf_pt_spacing(len, fp);
1799 }
1800
1801 static int perf_sample__fprintf_synth_psb(struct perf_sample *sample, FILE *fp)
1802 {
1803         struct perf_synth_intel_psb *data = perf_sample__synth_ptr(sample);
1804         int len;
1805
1806         if (perf_sample__bad_synth_size(sample, *data))
1807                 return 0;
1808
1809         len = fprintf(fp, " psb offs: %#" PRIx64, data->offset);
1810         return len + perf_sample__fprintf_pt_spacing(len, fp);
1811 }
1812
1813 static int perf_sample__fprintf_synth(struct perf_sample *sample,
1814                                       struct evsel *evsel, FILE *fp)
1815 {
1816         switch (evsel->core.attr.config) {
1817         case PERF_SYNTH_INTEL_PTWRITE:
1818                 return perf_sample__fprintf_synth_ptwrite(sample, fp);
1819         case PERF_SYNTH_INTEL_MWAIT:
1820                 return perf_sample__fprintf_synth_mwait(sample, fp);
1821         case PERF_SYNTH_INTEL_PWRE:
1822                 return perf_sample__fprintf_synth_pwre(sample, fp);
1823         case PERF_SYNTH_INTEL_EXSTOP:
1824                 return perf_sample__fprintf_synth_exstop(sample, fp);
1825         case PERF_SYNTH_INTEL_PWRX:
1826                 return perf_sample__fprintf_synth_pwrx(sample, fp);
1827         case PERF_SYNTH_INTEL_CBR:
1828                 return perf_sample__fprintf_synth_cbr(sample, fp);
1829         case PERF_SYNTH_INTEL_PSB:
1830                 return perf_sample__fprintf_synth_psb(sample, fp);
1831         default:
1832                 break;
1833         }
1834
1835         return 0;
1836 }
1837
1838 static int evlist__max_name_len(struct evlist *evlist)
1839 {
1840         struct evsel *evsel;
1841         int max = 0;
1842
1843         evlist__for_each_entry(evlist, evsel) {
1844                 int len = strlen(evsel__name(evsel));
1845
1846                 max = MAX(len, max);
1847         }
1848
1849         return max;
1850 }
1851
1852 static int data_src__fprintf(u64 data_src, FILE *fp)
1853 {
1854         struct mem_info mi = { .data_src.val = data_src };
1855         char decode[100];
1856         char out[100];
1857         static int maxlen;
1858         int len;
1859
1860         perf_script__meminfo_scnprintf(decode, 100, &mi);
1861
1862         len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
1863         if (maxlen < len)
1864                 maxlen = len;
1865
1866         return fprintf(fp, "%-*s", maxlen, out);
1867 }
1868
1869 struct metric_ctx {
1870         struct perf_sample      *sample;
1871         struct thread           *thread;
1872         struct evsel    *evsel;
1873         FILE                    *fp;
1874 };
1875
1876 static void script_print_metric(struct perf_stat_config *config __maybe_unused,
1877                                 void *ctx, const char *color,
1878                                 const char *fmt,
1879                                 const char *unit, double val)
1880 {
1881         struct metric_ctx *mctx = ctx;
1882
1883         if (!fmt)
1884                 return;
1885         perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
1886                                    PERF_RECORD_SAMPLE, mctx->fp);
1887         fputs("\tmetric: ", mctx->fp);
1888         if (color)
1889                 color_fprintf(mctx->fp, color, fmt, val);
1890         else
1891                 printf(fmt, val);
1892         fprintf(mctx->fp, " %s\n", unit);
1893 }
1894
1895 static void script_new_line(struct perf_stat_config *config __maybe_unused,
1896                             void *ctx)
1897 {
1898         struct metric_ctx *mctx = ctx;
1899
1900         perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
1901                                    PERF_RECORD_SAMPLE, mctx->fp);
1902         fputs("\tmetric: ", mctx->fp);
1903 }
1904
1905 static void perf_sample__fprint_metric(struct perf_script *script,
1906                                        struct thread *thread,
1907                                        struct evsel *evsel,
1908                                        struct perf_sample *sample,
1909                                        FILE *fp)
1910 {
1911         struct evsel *leader = evsel__leader(evsel);
1912         struct perf_stat_output_ctx ctx = {
1913                 .print_metric = script_print_metric,
1914                 .new_line = script_new_line,
1915                 .ctx = &(struct metric_ctx) {
1916                                 .sample = sample,
1917                                 .thread = thread,
1918                                 .evsel  = evsel,
1919                                 .fp     = fp,
1920                          },
1921                 .force_header = false,
1922         };
1923         struct evsel *ev2;
1924         u64 val;
1925
1926         if (!evsel->stats)
1927                 evlist__alloc_stats(script->session->evlist, false);
1928         if (evsel_script(leader)->gnum++ == 0)
1929                 perf_stat__reset_shadow_stats();
1930         val = sample->period * evsel->scale;
1931         perf_stat__update_shadow_stats(evsel,
1932                                        val,
1933                                        sample->cpu,
1934                                        &rt_stat);
1935         evsel_script(evsel)->val = val;
1936         if (evsel_script(leader)->gnum == leader->core.nr_members) {
1937                 for_each_group_member (ev2, leader) {
1938                         perf_stat__print_shadow_stats(&stat_config, ev2,
1939                                                       evsel_script(ev2)->val,
1940                                                       sample->cpu,
1941                                                       &ctx,
1942                                                       NULL,
1943                                                       &rt_stat);
1944                 }
1945                 evsel_script(leader)->gnum = 0;
1946         }
1947 }
1948
1949 static bool show_event(struct perf_sample *sample,
1950                        struct evsel *evsel,
1951                        struct thread *thread,
1952                        struct addr_location *al,
1953                        struct addr_location *addr_al)
1954 {
1955         int depth = thread_stack__depth(thread, sample->cpu);
1956
1957         if (!symbol_conf.graph_function)
1958                 return true;
1959
1960         if (thread->filter) {
1961                 if (depth <= thread->filter_entry_depth) {
1962                         thread->filter = false;
1963                         return false;
1964                 }
1965                 return true;
1966         } else {
1967                 const char *s = symbol_conf.graph_function;
1968                 u64 ip;
1969                 const char *name = resolve_branch_sym(sample, evsel, thread, al, addr_al,
1970                                 &ip);
1971                 unsigned nlen;
1972
1973                 if (!name)
1974                         return false;
1975                 nlen = strlen(name);
1976                 while (*s) {
1977                         unsigned len = strcspn(s, ",");
1978                         if (nlen == len && !strncmp(name, s, len)) {
1979                                 thread->filter = true;
1980                                 thread->filter_entry_depth = depth;
1981                                 return true;
1982                         }
1983                         s += len;
1984                         if (*s == ',')
1985                                 s++;
1986                 }
1987                 return false;
1988         }
1989 }
1990
1991 static void process_event(struct perf_script *script,
1992                           struct perf_sample *sample, struct evsel *evsel,
1993                           struct addr_location *al,
1994                           struct addr_location *addr_al,
1995                           struct machine *machine)
1996 {
1997         struct thread *thread = al->thread;
1998         struct perf_event_attr *attr = &evsel->core.attr;
1999         unsigned int type = output_type(attr->type);
2000         struct evsel_script *es = evsel->priv;
2001         FILE *fp = es->fp;
2002         char str[PAGE_SIZE_NAME_LEN];
2003
2004         if (output[type].fields == 0)
2005                 return;
2006
2007         ++es->samples;
2008
2009         perf_sample__fprintf_start(script, sample, thread, evsel,
2010                                    PERF_RECORD_SAMPLE, fp);
2011
2012         if (PRINT_FIELD(PERIOD))
2013                 fprintf(fp, "%10" PRIu64 " ", sample->period);
2014
2015         if (PRINT_FIELD(EVNAME)) {
2016                 const char *evname = evsel__name(evsel);
2017
2018                 if (!script->name_width)
2019                         script->name_width = evlist__max_name_len(script->session->evlist);
2020
2021                 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
2022         }
2023
2024         if (print_flags)
2025                 perf_sample__fprintf_flags(sample->flags, fp);
2026
2027         if (is_bts_event(attr)) {
2028                 perf_sample__fprintf_bts(sample, evsel, thread, al, addr_al, machine, fp);
2029                 return;
2030         }
2031
2032         if (PRINT_FIELD(TRACE) && sample->raw_data) {
2033                 event_format__fprintf(evsel->tp_format, sample->cpu,
2034                                       sample->raw_data, sample->raw_size, fp);
2035         }
2036
2037         if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
2038                 perf_sample__fprintf_synth(sample, evsel, fp);
2039
2040         if (PRINT_FIELD(ADDR))
2041                 perf_sample__fprintf_addr(sample, thread, attr, fp);
2042
2043         if (PRINT_FIELD(DATA_SRC))
2044                 data_src__fprintf(sample->data_src, fp);
2045
2046         if (PRINT_FIELD(WEIGHT))
2047                 fprintf(fp, "%16" PRIu64, sample->weight);
2048
2049         if (PRINT_FIELD(INS_LAT))
2050                 fprintf(fp, "%16" PRIu16, sample->ins_lat);
2051
2052         if (PRINT_FIELD(IP)) {
2053                 struct callchain_cursor *cursor = NULL;
2054
2055                 if (script->stitch_lbr)
2056                         al->thread->lbr_stitch_enable = true;
2057
2058                 if (symbol_conf.use_callchain && sample->callchain &&
2059                     thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
2060                                               sample, NULL, NULL, scripting_max_stack) == 0)
2061                         cursor = &callchain_cursor;
2062
2063                 fputc(cursor ? '\n' : ' ', fp);
2064                 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor,
2065                                     symbol_conf.bt_stop_list, fp);
2066         }
2067
2068         if (PRINT_FIELD(IREGS))
2069                 perf_sample__fprintf_iregs(sample, attr, fp);
2070
2071         if (PRINT_FIELD(UREGS))
2072                 perf_sample__fprintf_uregs(sample, attr, fp);
2073
2074         if (PRINT_FIELD(BRSTACK))
2075                 perf_sample__fprintf_brstack(sample, thread, attr, fp);
2076         else if (PRINT_FIELD(BRSTACKSYM))
2077                 perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
2078         else if (PRINT_FIELD(BRSTACKOFF))
2079                 perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
2080
2081         if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
2082                 perf_sample__fprintf_bpf_output(sample, fp);
2083         perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
2084
2085         if (PRINT_FIELD(PHYS_ADDR))
2086                 fprintf(fp, "%16" PRIx64, sample->phys_addr);
2087
2088         if (PRINT_FIELD(DATA_PAGE_SIZE))
2089                 fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str));
2090
2091         if (PRINT_FIELD(CODE_PAGE_SIZE))
2092                 fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str));
2093
2094         perf_sample__fprintf_ipc(sample, attr, fp);
2095
2096         fprintf(fp, "\n");
2097
2098         if (PRINT_FIELD(SRCCODE)) {
2099                 if (map__fprintf_srccode(al->map, al->addr, stdout,
2100                                          &thread->srccode_state))
2101                         printf("\n");
2102         }
2103
2104         if (PRINT_FIELD(METRIC))
2105                 perf_sample__fprint_metric(script, thread, evsel, sample, fp);
2106
2107         if (verbose)
2108                 fflush(fp);
2109 }
2110
2111 static struct scripting_ops     *scripting_ops;
2112
2113 static void __process_stat(struct evsel *counter, u64 tstamp)
2114 {
2115         int nthreads = perf_thread_map__nr(counter->core.threads);
2116         int ncpus = evsel__nr_cpus(counter);
2117         int cpu, thread;
2118         static int header_printed;
2119
2120         if (counter->core.system_wide)
2121                 nthreads = 1;
2122
2123         if (!header_printed) {
2124                 printf("%3s %8s %15s %15s %15s %15s %s\n",
2125                        "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
2126                 header_printed = 1;
2127         }
2128
2129         for (thread = 0; thread < nthreads; thread++) {
2130                 for (cpu = 0; cpu < ncpus; cpu++) {
2131                         struct perf_counts_values *counts;
2132
2133                         counts = perf_counts(counter->counts, cpu, thread);
2134
2135                         printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
2136                                 counter->core.cpus->map[cpu],
2137                                 perf_thread_map__pid(counter->core.threads, thread),
2138                                 counts->val,
2139                                 counts->ena,
2140                                 counts->run,
2141                                 tstamp,
2142                                 evsel__name(counter));
2143                 }
2144         }
2145 }
2146
2147 static void process_stat(struct evsel *counter, u64 tstamp)
2148 {
2149         if (scripting_ops && scripting_ops->process_stat)
2150                 scripting_ops->process_stat(&stat_config, counter, tstamp);
2151         else
2152                 __process_stat(counter, tstamp);
2153 }
2154
2155 static void process_stat_interval(u64 tstamp)
2156 {
2157         if (scripting_ops && scripting_ops->process_stat_interval)
2158                 scripting_ops->process_stat_interval(tstamp);
2159 }
2160
2161 static void setup_scripting(void)
2162 {
2163         setup_perl_scripting();
2164         setup_python_scripting();
2165 }
2166
2167 static int flush_scripting(void)
2168 {
2169         return scripting_ops ? scripting_ops->flush_script() : 0;
2170 }
2171
2172 static int cleanup_scripting(void)
2173 {
2174         pr_debug("\nperf script stopped\n");
2175
2176         return scripting_ops ? scripting_ops->stop_script() : 0;
2177 }
2178
2179 static bool filter_cpu(struct perf_sample *sample)
2180 {
2181         if (cpu_list && sample->cpu != (u32)-1)
2182                 return !test_bit(sample->cpu, cpu_bitmap);
2183         return false;
2184 }
2185
2186 static int process_sample_event(struct perf_tool *tool,
2187                                 union perf_event *event,
2188                                 struct perf_sample *sample,
2189                                 struct evsel *evsel,
2190                                 struct machine *machine)
2191 {
2192         struct perf_script *scr = container_of(tool, struct perf_script, tool);
2193         struct addr_location al;
2194         struct addr_location addr_al;
2195         int ret = 0;
2196
2197         /* Set thread to NULL to indicate addr_al and al are not initialized */
2198         addr_al.thread = NULL;
2199         al.thread = NULL;
2200
2201         ret = dlfilter__filter_event_early(dlfilter, event, sample, evsel, machine, &al, &addr_al);
2202         if (ret) {
2203                 if (ret > 0)
2204                         ret = 0;
2205                 goto out_put;
2206         }
2207
2208         if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
2209                                           sample->time)) {
2210                 goto out_put;
2211         }
2212
2213         if (debug_mode) {
2214                 if (sample->time < last_timestamp) {
2215                         pr_err("Samples misordered, previous: %" PRIu64
2216                                 " this: %" PRIu64 "\n", last_timestamp,
2217                                 sample->time);
2218                         nr_unordered++;
2219                 }
2220                 last_timestamp = sample->time;
2221                 goto out_put;
2222         }
2223
2224         if (filter_cpu(sample))
2225                 goto out_put;
2226
2227         if (!al.thread && machine__resolve(machine, &al, sample) < 0) {
2228                 pr_err("problem processing %d event, skipping it.\n",
2229                        event->header.type);
2230                 ret = -1;
2231                 goto out_put;
2232         }
2233
2234         if (al.filtered)
2235                 goto out_put;
2236
2237         if (!show_event(sample, evsel, al.thread, &al, &addr_al))
2238                 goto out_put;
2239
2240         if (evswitch__discard(&scr->evswitch, evsel))
2241                 goto out_put;
2242
2243         ret = dlfilter__filter_event(dlfilter, event, sample, evsel, machine, &al, &addr_al);
2244         if (ret) {
2245                 if (ret > 0)
2246                         ret = 0;
2247                 goto out_put;
2248         }
2249
2250         if (scripting_ops) {
2251                 struct addr_location *addr_al_ptr = NULL;
2252
2253                 if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
2254                     sample_addr_correlates_sym(&evsel->core.attr)) {
2255                         if (!addr_al.thread)
2256                                 thread__resolve(al.thread, &addr_al, sample);
2257                         addr_al_ptr = &addr_al;
2258                 }
2259                 scripting_ops->process_event(event, sample, evsel, &al, addr_al_ptr);
2260         } else {
2261                 process_event(scr, sample, evsel, &al, &addr_al, machine);
2262         }
2263
2264 out_put:
2265         if (al.thread)
2266                 addr_location__put(&al);
2267         return ret;
2268 }
2269
2270 static int process_attr(struct perf_tool *tool, union perf_event *event,
2271                         struct evlist **pevlist)
2272 {
2273         struct perf_script *scr = container_of(tool, struct perf_script, tool);
2274         struct evlist *evlist;
2275         struct evsel *evsel, *pos;
2276         u64 sample_type;
2277         int err;
2278         static struct evsel_script *es;
2279
2280         err = perf_event__process_attr(tool, event, pevlist);
2281         if (err)
2282                 return err;
2283
2284         evlist = *pevlist;
2285         evsel = evlist__last(*pevlist);
2286
2287         if (!evsel->priv) {
2288                 if (scr->per_event_dump) {
2289                         evsel->priv = evsel_script__new(evsel, scr->session->data);
2290                 } else {
2291                         es = zalloc(sizeof(*es));
2292                         if (!es)
2293                                 return -ENOMEM;
2294                         es->fp = stdout;
2295                         evsel->priv = es;
2296                 }
2297         }
2298
2299         if (evsel->core.attr.type >= PERF_TYPE_MAX &&
2300             evsel->core.attr.type != PERF_TYPE_SYNTH)
2301                 return 0;
2302
2303         evlist__for_each_entry(evlist, pos) {
2304                 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel)
2305                         return 0;
2306         }
2307
2308         if (evsel->core.attr.sample_type) {
2309                 err = evsel__check_attr(evsel, scr->session);
2310                 if (err)
2311                         return err;
2312         }
2313
2314         /*
2315          * Check if we need to enable callchains based
2316          * on events sample_type.
2317          */
2318         sample_type = evlist__combined_sample_type(evlist);
2319         callchain_param_setup(sample_type);
2320
2321         /* Enable fields for callchain entries */
2322         if (symbol_conf.use_callchain &&
2323             (sample_type & PERF_SAMPLE_CALLCHAIN ||
2324              sample_type & PERF_SAMPLE_BRANCH_STACK ||
2325              (sample_type & PERF_SAMPLE_REGS_USER &&
2326               sample_type & PERF_SAMPLE_STACK_USER))) {
2327                 int type = output_type(evsel->core.attr.type);
2328
2329                 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP))
2330                         output[type].fields |= PERF_OUTPUT_IP;
2331                 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM))
2332                         output[type].fields |= PERF_OUTPUT_SYM;
2333         }
2334         set_print_ip_opts(&evsel->core.attr);
2335         return 0;
2336 }
2337
2338 static int print_event_with_time(struct perf_tool *tool,
2339                                  union perf_event *event,
2340                                  struct perf_sample *sample,
2341                                  struct machine *machine,
2342                                  pid_t pid, pid_t tid, u64 timestamp)
2343 {
2344         struct perf_script *script = container_of(tool, struct perf_script, tool);
2345         struct perf_session *session = script->session;
2346         struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id);
2347         struct thread *thread = NULL;
2348
2349         if (evsel && !evsel->core.attr.sample_id_all) {
2350                 sample->cpu = 0;
2351                 sample->time = timestamp;
2352                 sample->pid = pid;
2353                 sample->tid = tid;
2354         }
2355
2356         if (filter_cpu(sample))
2357                 return 0;
2358
2359         if (tid != -1)
2360                 thread = machine__findnew_thread(machine, pid, tid);
2361
2362         if (evsel) {
2363                 perf_sample__fprintf_start(script, sample, thread, evsel,
2364                                            event->header.type, stdout);
2365         }
2366
2367         perf_event__fprintf(event, machine, stdout);
2368
2369         thread__put(thread);
2370
2371         return 0;
2372 }
2373
2374 static int print_event(struct perf_tool *tool, union perf_event *event,
2375                        struct perf_sample *sample, struct machine *machine,
2376                        pid_t pid, pid_t tid)
2377 {
2378         return print_event_with_time(tool, event, sample, machine, pid, tid, 0);
2379 }
2380
2381 static int process_comm_event(struct perf_tool *tool,
2382                               union perf_event *event,
2383                               struct perf_sample *sample,
2384                               struct machine *machine)
2385 {
2386         if (perf_event__process_comm(tool, event, sample, machine) < 0)
2387                 return -1;
2388
2389         return print_event(tool, event, sample, machine, event->comm.pid,
2390                            event->comm.tid);
2391 }
2392
2393 static int process_namespaces_event(struct perf_tool *tool,
2394                                     union perf_event *event,
2395                                     struct perf_sample *sample,
2396                                     struct machine *machine)
2397 {
2398         if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
2399                 return -1;
2400
2401         return print_event(tool, event, sample, machine, event->namespaces.pid,
2402                            event->namespaces.tid);
2403 }
2404
2405 static int process_cgroup_event(struct perf_tool *tool,
2406                                 union perf_event *event,
2407                                 struct perf_sample *sample,
2408                                 struct machine *machine)
2409 {
2410         if (perf_event__process_cgroup(tool, event, sample, machine) < 0)
2411                 return -1;
2412
2413         return print_event(tool, event, sample, machine, sample->pid,
2414                             sample->tid);
2415 }
2416
2417 static int process_fork_event(struct perf_tool *tool,
2418                               union perf_event *event,
2419                               struct perf_sample *sample,
2420                               struct machine *machine)
2421 {
2422         if (perf_event__process_fork(tool, event, sample, machine) < 0)
2423                 return -1;
2424
2425         return print_event_with_time(tool, event, sample, machine,
2426                                      event->fork.pid, event->fork.tid,
2427                                      event->fork.time);
2428 }
2429 static int process_exit_event(struct perf_tool *tool,
2430                               union perf_event *event,
2431                               struct perf_sample *sample,
2432                               struct machine *machine)
2433 {
2434         /* Print before 'exit' deletes anything */
2435         if (print_event_with_time(tool, event, sample, machine, event->fork.pid,
2436                                   event->fork.tid, event->fork.time))
2437                 return -1;
2438
2439         return perf_event__process_exit(tool, event, sample, machine);
2440 }
2441
2442 static int process_mmap_event(struct perf_tool *tool,
2443                               union perf_event *event,
2444                               struct perf_sample *sample,
2445                               struct machine *machine)
2446 {
2447         if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2448                 return -1;
2449
2450         return print_event(tool, event, sample, machine, event->mmap.pid,
2451                            event->mmap.tid);
2452 }
2453
2454 static int process_mmap2_event(struct perf_tool *tool,
2455                               union perf_event *event,
2456                               struct perf_sample *sample,
2457                               struct machine *machine)
2458 {
2459         if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2460                 return -1;
2461
2462         return print_event(tool, event, sample, machine, event->mmap2.pid,
2463                            event->mmap2.tid);
2464 }
2465
2466 static int process_switch_event(struct perf_tool *tool,
2467                                 union perf_event *event,
2468                                 struct perf_sample *sample,
2469                                 struct machine *machine)
2470 {
2471         struct perf_script *script = container_of(tool, struct perf_script, tool);
2472
2473         if (perf_event__process_switch(tool, event, sample, machine) < 0)
2474                 return -1;
2475
2476         if (scripting_ops && scripting_ops->process_switch)
2477                 scripting_ops->process_switch(event, sample, machine);
2478
2479         if (!script->show_switch_events)
2480                 return 0;
2481
2482         return print_event(tool, event, sample, machine, sample->pid,
2483                            sample->tid);
2484 }
2485
2486 static int process_auxtrace_error(struct perf_session *session,
2487                                   union perf_event *event)
2488 {
2489         if (scripting_ops && scripting_ops->process_auxtrace_error) {
2490                 scripting_ops->process_auxtrace_error(session, event);
2491                 return 0;
2492         }
2493
2494         return perf_event__process_auxtrace_error(session, event);
2495 }
2496
2497 static int
2498 process_lost_event(struct perf_tool *tool,
2499                    union perf_event *event,
2500                    struct perf_sample *sample,
2501                    struct machine *machine)
2502 {
2503         return print_event(tool, event, sample, machine, sample->pid,
2504                            sample->tid);
2505 }
2506
2507 static int
2508 process_throttle_event(struct perf_tool *tool __maybe_unused,
2509                        union perf_event *event,
2510                        struct perf_sample *sample,
2511                        struct machine *machine)
2512 {
2513         if (scripting_ops && scripting_ops->process_throttle)
2514                 scripting_ops->process_throttle(event, sample, machine);
2515         return 0;
2516 }
2517
2518 static int
2519 process_finished_round_event(struct perf_tool *tool __maybe_unused,
2520                              union perf_event *event,
2521                              struct ordered_events *oe __maybe_unused)
2522
2523 {
2524         perf_event__fprintf(event, NULL, stdout);
2525         return 0;
2526 }
2527
2528 static int
2529 process_bpf_events(struct perf_tool *tool __maybe_unused,
2530                    union perf_event *event,
2531                    struct perf_sample *sample,
2532                    struct machine *machine)
2533 {
2534         if (machine__process_ksymbol(machine, event, sample) < 0)
2535                 return -1;
2536
2537         return print_event(tool, event, sample, machine, sample->pid,
2538                            sample->tid);
2539 }
2540
2541 static int process_text_poke_events(struct perf_tool *tool,
2542                                     union perf_event *event,
2543                                     struct perf_sample *sample,
2544                                     struct machine *machine)
2545 {
2546         if (perf_event__process_text_poke(tool, event, sample, machine) < 0)
2547                 return -1;
2548
2549         return print_event(tool, event, sample, machine, sample->pid,
2550                            sample->tid);
2551 }
2552
2553 static void sig_handler(int sig __maybe_unused)
2554 {
2555         session_done = 1;
2556 }
2557
2558 static void perf_script__fclose_per_event_dump(struct perf_script *script)
2559 {
2560         struct evlist *evlist = script->session->evlist;
2561         struct evsel *evsel;
2562
2563         evlist__for_each_entry(evlist, evsel) {
2564                 if (!evsel->priv)
2565                         break;
2566                 evsel_script__delete(evsel->priv);
2567                 evsel->priv = NULL;
2568         }
2569 }
2570
2571 static int perf_script__fopen_per_event_dump(struct perf_script *script)
2572 {
2573         struct evsel *evsel;
2574
2575         evlist__for_each_entry(script->session->evlist, evsel) {
2576                 /*
2577                  * Already setup? I.e. we may be called twice in cases like
2578                  * Intel PT, one for the intel_pt// and dummy events, then
2579                  * for the evsels synthesized from the auxtrace info.
2580                  *
2581                  * Ses perf_script__process_auxtrace_info.
2582                  */
2583                 if (evsel->priv != NULL)
2584                         continue;
2585
2586                 evsel->priv = evsel_script__new(evsel, script->session->data);
2587                 if (evsel->priv == NULL)
2588                         goto out_err_fclose;
2589         }
2590
2591         return 0;
2592
2593 out_err_fclose:
2594         perf_script__fclose_per_event_dump(script);
2595         return -1;
2596 }
2597
2598 static int perf_script__setup_per_event_dump(struct perf_script *script)
2599 {
2600         struct evsel *evsel;
2601         static struct evsel_script es_stdout;
2602
2603         if (script->per_event_dump)
2604                 return perf_script__fopen_per_event_dump(script);
2605
2606         es_stdout.fp = stdout;
2607
2608         evlist__for_each_entry(script->session->evlist, evsel)
2609                 evsel->priv = &es_stdout;
2610
2611         return 0;
2612 }
2613
2614 static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2615 {
2616         struct evsel *evsel;
2617
2618         evlist__for_each_entry(script->session->evlist, evsel) {
2619                 struct evsel_script *es = evsel->priv;
2620
2621                 evsel_script__fprintf(es, stdout);
2622                 evsel_script__delete(es);
2623                 evsel->priv = NULL;
2624         }
2625 }
2626
2627 static void perf_script__exit(struct perf_script *script)
2628 {
2629         perf_thread_map__put(script->threads);
2630         perf_cpu_map__put(script->cpus);
2631 }
2632
2633 static int __cmd_script(struct perf_script *script)
2634 {
2635         int ret;
2636
2637         signal(SIGINT, sig_handler);
2638
2639         perf_stat__init_shadow_stats();
2640
2641         /* override event processing functions */
2642         if (script->show_task_events) {
2643                 script->tool.comm = process_comm_event;
2644                 script->tool.fork = process_fork_event;
2645                 script->tool.exit = process_exit_event;
2646         }
2647         if (script->show_mmap_events) {
2648                 script->tool.mmap = process_mmap_event;
2649                 script->tool.mmap2 = process_mmap2_event;
2650         }
2651         if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch))
2652                 script->tool.context_switch = process_switch_event;
2653         if (scripting_ops && scripting_ops->process_auxtrace_error)
2654                 script->tool.auxtrace_error = process_auxtrace_error;
2655         if (script->show_namespace_events)
2656                 script->tool.namespaces = process_namespaces_event;
2657         if (script->show_cgroup_events)
2658                 script->tool.cgroup = process_cgroup_event;
2659         if (script->show_lost_events)
2660                 script->tool.lost = process_lost_event;
2661         if (script->show_round_events) {
2662                 script->tool.ordered_events = false;
2663                 script->tool.finished_round = process_finished_round_event;
2664         }
2665         if (script->show_bpf_events) {
2666                 script->tool.ksymbol = process_bpf_events;
2667                 script->tool.bpf     = process_bpf_events;
2668         }
2669         if (script->show_text_poke_events) {
2670                 script->tool.ksymbol   = process_bpf_events;
2671                 script->tool.text_poke = process_text_poke_events;
2672         }
2673
2674         if (perf_script__setup_per_event_dump(script)) {
2675                 pr_err("Couldn't create the per event dump files\n");
2676                 return -1;
2677         }
2678
2679         ret = perf_session__process_events(script->session);
2680
2681         if (script->per_event_dump)
2682                 perf_script__exit_per_event_dump_stats(script);
2683
2684         if (debug_mode)
2685                 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2686
2687         return ret;
2688 }
2689
2690 struct script_spec {
2691         struct list_head        node;
2692         struct scripting_ops    *ops;
2693         char                    spec[];
2694 };
2695
2696 static LIST_HEAD(script_specs);
2697
2698 static struct script_spec *script_spec__new(const char *spec,
2699                                             struct scripting_ops *ops)
2700 {
2701         struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2702
2703         if (s != NULL) {
2704                 strcpy(s->spec, spec);
2705                 s->ops = ops;
2706         }
2707
2708         return s;
2709 }
2710
2711 static void script_spec__add(struct script_spec *s)
2712 {
2713         list_add_tail(&s->node, &script_specs);
2714 }
2715
2716 static struct script_spec *script_spec__find(const char *spec)
2717 {
2718         struct script_spec *s;
2719
2720         list_for_each_entry(s, &script_specs, node)
2721                 if (strcasecmp(s->spec, spec) == 0)
2722                         return s;
2723         return NULL;
2724 }
2725
2726 int script_spec_register(const char *spec, struct scripting_ops *ops)
2727 {
2728         struct script_spec *s;
2729
2730         s = script_spec__find(spec);
2731         if (s)
2732                 return -1;
2733
2734         s = script_spec__new(spec, ops);
2735         if (!s)
2736                 return -1;
2737         else
2738                 script_spec__add(s);
2739
2740         return 0;
2741 }
2742
2743 static struct scripting_ops *script_spec__lookup(const char *spec)
2744 {
2745         struct script_spec *s = script_spec__find(spec);
2746         if (!s)
2747                 return NULL;
2748
2749         return s->ops;
2750 }
2751
2752 static void list_available_languages(void)
2753 {
2754         struct script_spec *s;
2755
2756         fprintf(stderr, "\n");
2757         fprintf(stderr, "Scripting language extensions (used in "
2758                 "perf script -s [spec:]script.[spec]):\n\n");
2759
2760         list_for_each_entry(s, &script_specs, node)
2761                 fprintf(stderr, "  %-42s [%s]\n", s->spec, s->ops->name);
2762
2763         fprintf(stderr, "\n");
2764 }
2765
2766 /* Find script file relative to current directory or exec path */
2767 static char *find_script(const char *script)
2768 {
2769         char path[PATH_MAX];
2770
2771         if (!scripting_ops) {
2772                 const char *ext = strrchr(script, '.');
2773
2774                 if (!ext)
2775                         return NULL;
2776
2777                 scripting_ops = script_spec__lookup(++ext);
2778                 if (!scripting_ops)
2779                         return NULL;
2780         }
2781
2782         if (access(script, R_OK)) {
2783                 char *exec_path = get_argv_exec_path();
2784
2785                 if (!exec_path)
2786                         return NULL;
2787                 snprintf(path, sizeof(path), "%s/scripts/%s/%s",
2788                          exec_path, scripting_ops->dirname, script);
2789                 free(exec_path);
2790                 script = path;
2791                 if (access(script, R_OK))
2792                         return NULL;
2793         }
2794         return strdup(script);
2795 }
2796
2797 static int parse_scriptname(const struct option *opt __maybe_unused,
2798                             const char *str, int unset __maybe_unused)
2799 {
2800         char spec[PATH_MAX];
2801         const char *script, *ext;
2802         int len;
2803
2804         if (strcmp(str, "lang") == 0) {
2805                 list_available_languages();
2806                 exit(0);
2807         }
2808
2809         script = strchr(str, ':');
2810         if (script) {
2811                 len = script - str;
2812                 if (len >= PATH_MAX) {
2813                         fprintf(stderr, "invalid language specifier");
2814                         return -1;
2815                 }
2816                 strncpy(spec, str, len);
2817                 spec[len] = '\0';
2818                 scripting_ops = script_spec__lookup(spec);
2819                 if (!scripting_ops) {
2820                         fprintf(stderr, "invalid language specifier");
2821                         return -1;
2822                 }
2823                 script++;
2824         } else {
2825                 script = str;
2826                 ext = strrchr(script, '.');
2827                 if (!ext) {
2828                         fprintf(stderr, "invalid script extension");
2829                         return -1;
2830                 }
2831                 scripting_ops = script_spec__lookup(++ext);
2832                 if (!scripting_ops) {
2833                         fprintf(stderr, "invalid script extension");
2834                         return -1;
2835                 }
2836         }
2837
2838         script_name = find_script(script);
2839         if (!script_name)
2840                 script_name = strdup(script);
2841
2842         return 0;
2843 }
2844
2845 static int parse_output_fields(const struct option *opt __maybe_unused,
2846                             const char *arg, int unset __maybe_unused)
2847 {
2848         char *tok, *strtok_saveptr = NULL;
2849         int i, imax = ARRAY_SIZE(all_output_options);
2850         int j;
2851         int rc = 0;
2852         char *str = strdup(arg);
2853         int type = -1;
2854         enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
2855
2856         if (!str)
2857                 return -ENOMEM;
2858
2859         /* first word can state for which event type the user is specifying
2860          * the fields. If no type exists, the specified fields apply to all
2861          * event types found in the file minus the invalid fields for a type.
2862          */
2863         tok = strchr(str, ':');
2864         if (tok) {
2865                 *tok = '\0';
2866                 tok++;
2867                 if (!strcmp(str, "hw"))
2868                         type = PERF_TYPE_HARDWARE;
2869                 else if (!strcmp(str, "sw"))
2870                         type = PERF_TYPE_SOFTWARE;
2871                 else if (!strcmp(str, "trace"))
2872                         type = PERF_TYPE_TRACEPOINT;
2873                 else if (!strcmp(str, "raw"))
2874                         type = PERF_TYPE_RAW;
2875                 else if (!strcmp(str, "break"))
2876                         type = PERF_TYPE_BREAKPOINT;
2877                 else if (!strcmp(str, "synth"))
2878                         type = OUTPUT_TYPE_SYNTH;
2879                 else {
2880                         fprintf(stderr, "Invalid event type in field string.\n");
2881                         rc = -EINVAL;
2882                         goto out;
2883                 }
2884
2885                 if (output[type].user_set)
2886                         pr_warning("Overriding previous field request for %s events.\n",
2887                                    event_type(type));
2888
2889                 /* Don't override defaults for +- */
2890                 if (strchr(tok, '+') || strchr(tok, '-'))
2891                         goto parse;
2892
2893                 output[type].fields = 0;
2894                 output[type].user_set = true;
2895                 output[type].wildcard_set = false;
2896
2897         } else {
2898                 tok = str;
2899                 if (strlen(str) == 0) {
2900                         fprintf(stderr,
2901                                 "Cannot set fields to 'none' for all event types.\n");
2902                         rc = -EINVAL;
2903                         goto out;
2904                 }
2905
2906                 /* Don't override defaults for +- */
2907                 if (strchr(str, '+') || strchr(str, '-'))
2908                         goto parse;
2909
2910                 if (output_set_by_user())
2911                         pr_warning("Overriding previous field request for all events.\n");
2912
2913                 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2914                         output[j].fields = 0;
2915                         output[j].user_set = true;
2916                         output[j].wildcard_set = true;
2917                 }
2918         }
2919
2920 parse:
2921         for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
2922                 if (*tok == '+') {
2923                         if (change == SET)
2924                                 goto out_badmix;
2925                         change = ADD;
2926                         tok++;
2927                 } else if (*tok == '-') {
2928                         if (change == SET)
2929                                 goto out_badmix;
2930                         change = REMOVE;
2931                         tok++;
2932                 } else {
2933                         if (change != SET && change != DEFAULT)
2934                                 goto out_badmix;
2935                         change = SET;
2936                 }
2937
2938                 for (i = 0; i < imax; ++i) {
2939                         if (strcmp(tok, all_output_options[i].str) == 0)
2940                                 break;
2941                 }
2942                 if (i == imax && strcmp(tok, "flags") == 0) {
2943                         print_flags = change != REMOVE;
2944                         continue;
2945                 }
2946                 if (i == imax) {
2947                         fprintf(stderr, "Invalid field requested.\n");
2948                         rc = -EINVAL;
2949                         goto out;
2950                 }
2951
2952                 if (type == -1) {
2953                         /* add user option to all events types for
2954                          * which it is valid
2955                          */
2956                         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2957                                 if (output[j].invalid_fields & all_output_options[i].field) {
2958                                         pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
2959                                                    all_output_options[i].str, event_type(j));
2960                                 } else {
2961                                         if (change == REMOVE) {
2962                                                 output[j].fields &= ~all_output_options[i].field;
2963                                                 output[j].user_set_fields &= ~all_output_options[i].field;
2964                                                 output[j].user_unset_fields |= all_output_options[i].field;
2965                                         } else {
2966                                                 output[j].fields |= all_output_options[i].field;
2967                                                 output[j].user_set_fields |= all_output_options[i].field;
2968                                                 output[j].user_unset_fields &= ~all_output_options[i].field;
2969                                         }
2970                                         output[j].user_set = true;
2971                                         output[j].wildcard_set = true;
2972                                 }
2973                         }
2974                 } else {
2975                         if (output[type].invalid_fields & all_output_options[i].field) {
2976                                 fprintf(stderr, "\'%s\' not valid for %s events.\n",
2977                                          all_output_options[i].str, event_type(type));
2978
2979                                 rc = -EINVAL;
2980                                 goto out;
2981                         }
2982                         if (change == REMOVE)
2983                                 output[type].fields &= ~all_output_options[i].field;
2984                         else
2985                                 output[type].fields |= all_output_options[i].field;
2986                         output[type].user_set = true;
2987                         output[type].wildcard_set = true;
2988                 }
2989         }
2990
2991         if (type >= 0) {
2992                 if (output[type].fields == 0) {
2993                         pr_debug("No fields requested for %s type. "
2994                                  "Events will not be displayed.\n", event_type(type));
2995                 }
2996         }
2997         goto out;
2998
2999 out_badmix:
3000         fprintf(stderr, "Cannot mix +-field with overridden fields\n");
3001         rc = -EINVAL;
3002 out:
3003         free(str);
3004         return rc;
3005 }
3006
3007 #define for_each_lang(scripts_path, scripts_dir, lang_dirent)           \
3008         while ((lang_dirent = readdir(scripts_dir)) != NULL)            \
3009                 if ((lang_dirent->d_type == DT_DIR ||                   \
3010                      (lang_dirent->d_type == DT_UNKNOWN &&              \
3011                       is_directory(scripts_path, lang_dirent))) &&      \
3012                     (strcmp(lang_dirent->d_name, ".")) &&               \
3013                     (strcmp(lang_dirent->d_name, "..")))
3014
3015 #define for_each_script(lang_path, lang_dir, script_dirent)             \
3016         while ((script_dirent = readdir(lang_dir)) != NULL)             \
3017                 if (script_dirent->d_type != DT_DIR &&                  \
3018                     (script_dirent->d_type != DT_UNKNOWN ||             \
3019                      !is_directory(lang_path, script_dirent)))
3020
3021
3022 #define RECORD_SUFFIX                   "-record"
3023 #define REPORT_SUFFIX                   "-report"
3024
3025 struct script_desc {
3026         struct list_head        node;
3027         char                    *name;
3028         char                    *half_liner;
3029         char                    *args;
3030 };
3031
3032 static LIST_HEAD(script_descs);
3033
3034 static struct script_desc *script_desc__new(const char *name)
3035 {
3036         struct script_desc *s = zalloc(sizeof(*s));
3037
3038         if (s != NULL && name)
3039                 s->name = strdup(name);
3040
3041         return s;
3042 }
3043
3044 static void script_desc__delete(struct script_desc *s)
3045 {
3046         zfree(&s->name);
3047         zfree(&s->half_liner);
3048         zfree(&s->args);
3049         free(s);
3050 }
3051
3052 static void script_desc__add(struct script_desc *s)
3053 {
3054         list_add_tail(&s->node, &script_descs);
3055 }
3056
3057 static struct script_desc *script_desc__find(const char *name)
3058 {
3059         struct script_desc *s;
3060
3061         list_for_each_entry(s, &script_descs, node)
3062                 if (strcasecmp(s->name, name) == 0)
3063                         return s;
3064         return NULL;
3065 }
3066
3067 static struct script_desc *script_desc__findnew(const char *name)
3068 {
3069         struct script_desc *s = script_desc__find(name);
3070
3071         if (s)
3072                 return s;
3073
3074         s = script_desc__new(name);
3075         if (!s)
3076                 return NULL;
3077
3078         script_desc__add(s);
3079
3080         return s;
3081 }
3082
3083 static const char *ends_with(const char *str, const char *suffix)
3084 {
3085         size_t suffix_len = strlen(suffix);
3086         const char *p = str;
3087
3088         if (strlen(str) > suffix_len) {
3089                 p = str + strlen(str) - suffix_len;
3090                 if (!strncmp(p, suffix, suffix_len))
3091                         return p;
3092         }
3093
3094         return NULL;
3095 }
3096
3097 static int read_script_info(struct script_desc *desc, const char *filename)
3098 {
3099         char line[BUFSIZ], *p;
3100         FILE *fp;
3101
3102         fp = fopen(filename, "r");
3103         if (!fp)
3104                 return -1;
3105
3106         while (fgets(line, sizeof(line), fp)) {
3107                 p = skip_spaces(line);
3108                 if (strlen(p) == 0)
3109                         continue;
3110                 if (*p != '#')
3111                         continue;
3112                 p++;
3113                 if (strlen(p) && *p == '!')
3114                         continue;
3115
3116                 p = skip_spaces(p);
3117                 if (strlen(p) && p[strlen(p) - 1] == '\n')
3118                         p[strlen(p) - 1] = '\0';
3119
3120                 if (!strncmp(p, "description:", strlen("description:"))) {
3121                         p += strlen("description:");
3122                         desc->half_liner = strdup(skip_spaces(p));
3123                         continue;
3124                 }
3125
3126                 if (!strncmp(p, "args:", strlen("args:"))) {
3127                         p += strlen("args:");
3128                         desc->args = strdup(skip_spaces(p));
3129                         continue;
3130                 }
3131         }
3132
3133         fclose(fp);
3134
3135         return 0;
3136 }
3137
3138 static char *get_script_root(struct dirent *script_dirent, const char *suffix)
3139 {
3140         char *script_root, *str;
3141
3142         script_root = strdup(script_dirent->d_name);
3143         if (!script_root)
3144                 return NULL;
3145
3146         str = (char *)ends_with(script_root, suffix);
3147         if (!str) {
3148                 free(script_root);
3149                 return NULL;
3150         }
3151
3152         *str = '\0';
3153         return script_root;
3154 }
3155
3156 static int list_available_scripts(const struct option *opt __maybe_unused,
3157                                   const char *s __maybe_unused,
3158                                   int unset __maybe_unused)
3159 {
3160         struct dirent *script_dirent, *lang_dirent;
3161         char scripts_path[MAXPATHLEN];
3162         DIR *scripts_dir, *lang_dir;
3163         char script_path[MAXPATHLEN];
3164         char lang_path[MAXPATHLEN];
3165         struct script_desc *desc;
3166         char first_half[BUFSIZ];
3167         char *script_root;
3168
3169         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3170
3171         scripts_dir = opendir(scripts_path);
3172         if (!scripts_dir) {
3173                 fprintf(stdout,
3174                         "open(%s) failed.\n"
3175                         "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
3176                         scripts_path);
3177                 exit(-1);
3178         }
3179
3180         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3181                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3182                           lang_dirent->d_name);
3183                 lang_dir = opendir(lang_path);
3184                 if (!lang_dir)
3185                         continue;
3186
3187                 for_each_script(lang_path, lang_dir, script_dirent) {
3188                         script_root = get_script_root(script_dirent, REPORT_SUFFIX);
3189                         if (script_root) {
3190                                 desc = script_desc__findnew(script_root);
3191                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3192                                           lang_path, script_dirent->d_name);
3193                                 read_script_info(desc, script_path);
3194                                 free(script_root);
3195                         }
3196                 }
3197         }
3198
3199         fprintf(stdout, "List of available trace scripts:\n");
3200         list_for_each_entry(desc, &script_descs, node) {
3201                 sprintf(first_half, "%s %s", desc->name,
3202                         desc->args ? desc->args : "");
3203                 fprintf(stdout, "  %-36s %s\n", first_half,
3204                         desc->half_liner ? desc->half_liner : "");
3205         }
3206
3207         exit(0);
3208 }
3209
3210 static int add_dlarg(const struct option *opt __maybe_unused,
3211                      const char *s, int unset __maybe_unused)
3212 {
3213         char *arg = strdup(s);
3214         void *a;
3215
3216         if (!arg)
3217                 return -1;
3218
3219         a = realloc(dlargv, sizeof(dlargv[0]) * (dlargc + 1));
3220         if (!a) {
3221                 free(arg);
3222                 return -1;
3223         }
3224
3225         dlargv = a;
3226         dlargv[dlargc++] = arg;
3227
3228         return 0;
3229 }
3230
3231 static void free_dlarg(void)
3232 {
3233         while (dlargc--)
3234                 free(dlargv[dlargc]);
3235         free(dlargv);
3236 }
3237
3238 /*
3239  * Some scripts specify the required events in their "xxx-record" file,
3240  * this function will check if the events in perf.data match those
3241  * mentioned in the "xxx-record".
3242  *
3243  * Fixme: All existing "xxx-record" are all in good formats "-e event ",
3244  * which is covered well now. And new parsing code should be added to
3245  * cover the future complex formats like event groups etc.
3246  */
3247 static int check_ev_match(char *dir_name, char *scriptname,
3248                         struct perf_session *session)
3249 {
3250         char filename[MAXPATHLEN], evname[128];
3251         char line[BUFSIZ], *p;
3252         struct evsel *pos;
3253         int match, len;
3254         FILE *fp;
3255
3256         scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
3257
3258         fp = fopen(filename, "r");
3259         if (!fp)
3260                 return -1;
3261
3262         while (fgets(line, sizeof(line), fp)) {
3263                 p = skip_spaces(line);
3264                 if (*p == '#')
3265                         continue;
3266
3267                 while (strlen(p)) {
3268                         p = strstr(p, "-e");
3269                         if (!p)
3270                                 break;
3271
3272                         p += 2;
3273                         p = skip_spaces(p);
3274                         len = strcspn(p, " \t");
3275                         if (!len)
3276                                 break;
3277
3278                         snprintf(evname, len + 1, "%s", p);
3279
3280                         match = 0;
3281                         evlist__for_each_entry(session->evlist, pos) {
3282                                 if (!strcmp(evsel__name(pos), evname)) {
3283                                         match = 1;
3284                                         break;
3285                                 }
3286                         }
3287
3288                         if (!match) {
3289                                 fclose(fp);
3290                                 return -1;
3291                         }
3292                 }
3293         }
3294
3295         fclose(fp);
3296         return 0;
3297 }
3298
3299 /*
3300  * Return -1 if none is found, otherwise the actual scripts number.
3301  *
3302  * Currently the only user of this function is the script browser, which
3303  * will list all statically runnable scripts, select one, execute it and
3304  * show the output in a perf browser.
3305  */
3306 int find_scripts(char **scripts_array, char **scripts_path_array, int num,
3307                  int pathlen)
3308 {
3309         struct dirent *script_dirent, *lang_dirent;
3310         char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
3311         DIR *scripts_dir, *lang_dir;
3312         struct perf_session *session;
3313         struct perf_data data = {
3314                 .path = input_name,
3315                 .mode = PERF_DATA_MODE_READ,
3316         };
3317         char *temp;
3318         int i = 0;
3319
3320         session = perf_session__new(&data, NULL);
3321         if (IS_ERR(session))
3322                 return PTR_ERR(session);
3323
3324         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3325
3326         scripts_dir = opendir(scripts_path);
3327         if (!scripts_dir) {
3328                 perf_session__delete(session);
3329                 return -1;
3330         }
3331
3332         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3333                 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
3334                           lang_dirent->d_name);
3335 #ifndef HAVE_LIBPERL_SUPPORT
3336                 if (strstr(lang_path, "perl"))
3337                         continue;
3338 #endif
3339 #ifndef HAVE_LIBPYTHON_SUPPORT
3340                 if (strstr(lang_path, "python"))
3341                         continue;
3342 #endif
3343
3344                 lang_dir = opendir(lang_path);
3345                 if (!lang_dir)
3346                         continue;
3347
3348                 for_each_script(lang_path, lang_dir, script_dirent) {
3349                         /* Skip those real time scripts: xxxtop.p[yl] */
3350                         if (strstr(script_dirent->d_name, "top."))
3351                                 continue;
3352                         if (i >= num)
3353                                 break;
3354                         snprintf(scripts_path_array[i], pathlen, "%s/%s",
3355                                 lang_path,
3356                                 script_dirent->d_name);
3357                         temp = strchr(script_dirent->d_name, '.');
3358                         snprintf(scripts_array[i],
3359                                 (temp - script_dirent->d_name) + 1,
3360                                 "%s", script_dirent->d_name);
3361
3362                         if (check_ev_match(lang_path,
3363                                         scripts_array[i], session))
3364                                 continue;
3365
3366                         i++;
3367                 }
3368                 closedir(lang_dir);
3369         }
3370
3371         closedir(scripts_dir);
3372         perf_session__delete(session);
3373         return i;
3374 }
3375
3376 static char *get_script_path(const char *script_root, const char *suffix)
3377 {
3378         struct dirent *script_dirent, *lang_dirent;
3379         char scripts_path[MAXPATHLEN];
3380         char script_path[MAXPATHLEN];
3381         DIR *scripts_dir, *lang_dir;
3382         char lang_path[MAXPATHLEN];
3383         char *__script_root;
3384
3385         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3386
3387         scripts_dir = opendir(scripts_path);
3388         if (!scripts_dir)
3389                 return NULL;
3390
3391         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3392                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3393                           lang_dirent->d_name);
3394                 lang_dir = opendir(lang_path);
3395                 if (!lang_dir)
3396                         continue;
3397
3398                 for_each_script(lang_path, lang_dir, script_dirent) {
3399                         __script_root = get_script_root(script_dirent, suffix);
3400                         if (__script_root && !strcmp(script_root, __script_root)) {
3401                                 free(__script_root);
3402                                 closedir(scripts_dir);
3403                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3404                                           lang_path, script_dirent->d_name);
3405                                 closedir(lang_dir);
3406                                 return strdup(script_path);
3407                         }
3408                         free(__script_root);
3409                 }
3410                 closedir(lang_dir);
3411         }
3412         closedir(scripts_dir);
3413
3414         return NULL;
3415 }
3416
3417 static bool is_top_script(const char *script_path)
3418 {
3419         return ends_with(script_path, "top") != NULL;
3420 }
3421
3422 static int has_required_arg(char *script_path)
3423 {
3424         struct script_desc *desc;
3425         int n_args = 0;
3426         char *p;
3427
3428         desc = script_desc__new(NULL);
3429
3430         if (read_script_info(desc, script_path))
3431                 goto out;
3432
3433         if (!desc->args)
3434                 goto out;
3435
3436         for (p = desc->args; *p; p++)
3437                 if (*p == '<')
3438                         n_args++;
3439 out:
3440         script_desc__delete(desc);
3441
3442         return n_args;
3443 }
3444
3445 static int have_cmd(int argc, const char **argv)
3446 {
3447         char **__argv = malloc(sizeof(const char *) * argc);
3448
3449         if (!__argv) {
3450                 pr_err("malloc failed\n");
3451                 return -1;
3452         }
3453
3454         memcpy(__argv, argv, sizeof(const char *) * argc);
3455         argc = parse_options(argc, (const char **)__argv, record_options,
3456                              NULL, PARSE_OPT_STOP_AT_NON_OPTION);
3457         free(__argv);
3458
3459         system_wide = (argc == 0);
3460
3461         return 0;
3462 }
3463
3464 static void script__setup_sample_type(struct perf_script *script)
3465 {
3466         struct perf_session *session = script->session;
3467         u64 sample_type = evlist__combined_sample_type(session->evlist);
3468
3469         if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
3470                 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
3471                     (sample_type & PERF_SAMPLE_STACK_USER)) {
3472                         callchain_param.record_mode = CALLCHAIN_DWARF;
3473                         dwarf_callchain_users = true;
3474                 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
3475                         callchain_param.record_mode = CALLCHAIN_LBR;
3476                 else
3477                         callchain_param.record_mode = CALLCHAIN_FP;
3478         }
3479
3480         if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) {
3481                 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
3482                            "Please apply --call-graph lbr when recording.\n");
3483                 script->stitch_lbr = false;
3484         }
3485 }
3486
3487 static int process_stat_round_event(struct perf_session *session,
3488                                     union perf_event *event)
3489 {
3490         struct perf_record_stat_round *round = &event->stat_round;
3491         struct evsel *counter;
3492
3493         evlist__for_each_entry(session->evlist, counter) {
3494                 perf_stat_process_counter(&stat_config, counter);
3495                 process_stat(counter, round->time);
3496         }
3497
3498         process_stat_interval(round->time);
3499         return 0;
3500 }
3501
3502 static int process_stat_config_event(struct perf_session *session __maybe_unused,
3503                                      union perf_event *event)
3504 {
3505         perf_event__read_stat_config(&stat_config, &event->stat_config);
3506         return 0;
3507 }
3508
3509 static int set_maps(struct perf_script *script)
3510 {
3511         struct evlist *evlist = script->session->evlist;
3512
3513         if (!script->cpus || !script->threads)
3514                 return 0;
3515
3516         if (WARN_ONCE(script->allocated, "stats double allocation\n"))
3517                 return -EINVAL;
3518
3519         perf_evlist__set_maps(&evlist->core, script->cpus, script->threads);
3520
3521         if (evlist__alloc_stats(evlist, true))
3522                 return -ENOMEM;
3523
3524         script->allocated = true;
3525         return 0;
3526 }
3527
3528 static
3529 int process_thread_map_event(struct perf_session *session,
3530                              union perf_event *event)
3531 {
3532         struct perf_tool *tool = session->tool;
3533         struct perf_script *script = container_of(tool, struct perf_script, tool);
3534
3535         if (script->threads) {
3536                 pr_warning("Extra thread map event, ignoring.\n");
3537                 return 0;
3538         }
3539
3540         script->threads = thread_map__new_event(&event->thread_map);
3541         if (!script->threads)
3542                 return -ENOMEM;
3543
3544         return set_maps(script);
3545 }
3546
3547 static
3548 int process_cpu_map_event(struct perf_session *session,
3549                           union perf_event *event)
3550 {
3551         struct perf_tool *tool = session->tool;
3552         struct perf_script *script = container_of(tool, struct perf_script, tool);
3553
3554         if (script->cpus) {
3555                 pr_warning("Extra cpu map event, ignoring.\n");
3556                 return 0;
3557         }
3558
3559         script->cpus = cpu_map__new_data(&event->cpu_map.data);
3560         if (!script->cpus)
3561                 return -ENOMEM;
3562
3563         return set_maps(script);
3564 }
3565
3566 static int process_feature_event(struct perf_session *session,
3567                                  union perf_event *event)
3568 {
3569         if (event->feat.feat_id < HEADER_LAST_FEATURE)
3570                 return perf_event__process_feature(session, event);
3571         return 0;
3572 }
3573
3574 #ifdef HAVE_AUXTRACE_SUPPORT
3575 static int perf_script__process_auxtrace_info(struct perf_session *session,
3576                                               union perf_event *event)
3577 {
3578         struct perf_tool *tool = session->tool;
3579
3580         int ret = perf_event__process_auxtrace_info(session, event);
3581
3582         if (ret == 0) {
3583                 struct perf_script *script = container_of(tool, struct perf_script, tool);
3584
3585                 ret = perf_script__setup_per_event_dump(script);
3586         }
3587
3588         return ret;
3589 }
3590 #else
3591 #define perf_script__process_auxtrace_info 0
3592 #endif
3593
3594 static int parse_insn_trace(const struct option *opt __maybe_unused,
3595                             const char *str __maybe_unused,
3596                             int unset __maybe_unused)
3597 {
3598         parse_output_fields(NULL, "+insn,-event,-period", 0);
3599         itrace_parse_synth_opts(opt, "i0ns", 0);
3600         symbol_conf.nanosecs = true;
3601         return 0;
3602 }
3603
3604 static int parse_xed(const struct option *opt __maybe_unused,
3605                      const char *str __maybe_unused,
3606                      int unset __maybe_unused)
3607 {
3608         if (isatty(1))
3609                 force_pager("xed -F insn: -A -64 | less");
3610         else
3611                 force_pager("xed -F insn: -A -64");
3612         return 0;
3613 }
3614
3615 static int parse_call_trace(const struct option *opt __maybe_unused,
3616                             const char *str __maybe_unused,
3617                             int unset __maybe_unused)
3618 {
3619         parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
3620         itrace_parse_synth_opts(opt, "cewp", 0);
3621         symbol_conf.nanosecs = true;
3622         symbol_conf.pad_output_len_dso = 50;
3623         return 0;
3624 }
3625
3626 static int parse_callret_trace(const struct option *opt __maybe_unused,
3627                             const char *str __maybe_unused,
3628                             int unset __maybe_unused)
3629 {
3630         parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
3631         itrace_parse_synth_opts(opt, "crewp", 0);
3632         symbol_conf.nanosecs = true;
3633         return 0;
3634 }
3635
3636 int cmd_script(int argc, const char **argv)
3637 {
3638         bool show_full_info = false;
3639         bool header = false;
3640         bool header_only = false;
3641         bool script_started = false;
3642         char *rec_script_path = NULL;
3643         char *rep_script_path = NULL;
3644         struct perf_session *session;
3645         struct itrace_synth_opts itrace_synth_opts = {
3646                 .set = false,
3647                 .default_no_sample = true,
3648         };
3649         struct utsname uts;
3650         char *script_path = NULL;
3651         const char *dlfilter_file = NULL;
3652         const char **__argv;
3653         int i, j, err = 0;
3654         struct perf_script script = {
3655                 .tool = {
3656                         .sample          = process_sample_event,
3657                         .mmap            = perf_event__process_mmap,
3658                         .mmap2           = perf_event__process_mmap2,
3659                         .comm            = perf_event__process_comm,
3660                         .namespaces      = perf_event__process_namespaces,
3661                         .cgroup          = perf_event__process_cgroup,
3662                         .exit            = perf_event__process_exit,
3663                         .fork            = perf_event__process_fork,
3664                         .attr            = process_attr,
3665                         .event_update   = perf_event__process_event_update,
3666                         .tracing_data    = perf_event__process_tracing_data,
3667                         .feature         = process_feature_event,
3668                         .build_id        = perf_event__process_build_id,
3669                         .id_index        = perf_event__process_id_index,
3670                         .auxtrace_info   = perf_script__process_auxtrace_info,
3671                         .auxtrace        = perf_event__process_auxtrace,
3672                         .auxtrace_error  = perf_event__process_auxtrace_error,
3673                         .stat            = perf_event__process_stat_event,
3674                         .stat_round      = process_stat_round_event,
3675                         .stat_config     = process_stat_config_event,
3676                         .thread_map      = process_thread_map_event,
3677                         .cpu_map         = process_cpu_map_event,
3678                         .throttle        = process_throttle_event,
3679                         .unthrottle      = process_throttle_event,
3680                         .ordered_events  = true,
3681                         .ordering_requires_timestamps = true,
3682                 },
3683         };
3684         struct perf_data data = {
3685                 .mode = PERF_DATA_MODE_READ,
3686         };
3687         const struct option options[] = {
3688         OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3689                     "dump raw trace in ASCII"),
3690         OPT_INCR('v', "verbose", &verbose,
3691                  "be more verbose (show symbol address, etc)"),
3692         OPT_BOOLEAN('L', "Latency", &latency_format,
3693                     "show latency attributes (irqs/preemption disabled, etc)"),
3694         OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3695                            list_available_scripts),
3696         OPT_CALLBACK_NOOPT(0, "list-dlfilters", NULL, NULL, "list available dlfilters",
3697                            list_available_dlfilters),
3698         OPT_CALLBACK('s', "script", NULL, "name",
3699                      "script file name (lang:script name, script name, or *)",
3700                      parse_scriptname),
3701         OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3702                    "generate perf-script.xx script in specified language"),
3703         OPT_STRING(0, "dlfilter", &dlfilter_file, "file", "filter .so file name"),
3704         OPT_CALLBACK(0, "dlarg", NULL, "argument", "filter argument",
3705                      add_dlarg),
3706         OPT_STRING('i', "input", &input_name, "file", "input file name"),
3707         OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3708                    "do various checks like samples ordering and lost events"),
3709         OPT_BOOLEAN(0, "header", &header, "Show data header."),
3710         OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3711         OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3712                    "file", "vmlinux pathname"),
3713         OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3714                    "file", "kallsyms pathname"),
3715         OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3716                     "When printing symbols do not display call chain"),
3717         OPT_CALLBACK(0, "symfs", NULL, "directory",
3718                      "Look for files with symbols relative to this directory",
3719                      symbol__config_symfs),
3720         OPT_CALLBACK('F', "fields", NULL, "str",
3721                      "comma separated output fields prepend with 'type:'. "
3722                      "+field to add and -field to remove."
3723                      "Valid types: hw,sw,trace,raw,synth. "
3724                      "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
3725                      "addr,symoff,srcline,period,iregs,uregs,brstack,"
3726                      "brstacksym,flags,bpf-output,brstackinsn,brstackoff,"
3727                      "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc,tod,"
3728                      "data_page_size,code_page_size,ins_lat",
3729                      parse_output_fields),
3730         OPT_BOOLEAN('a', "all-cpus", &system_wide,
3731                     "system-wide collection from all CPUs"),
3732         OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
3733                    "only consider symbols in these DSOs"),
3734         OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3735                    "only consider these symbols"),
3736         OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range,
3737                     "Use with -S to list traced records within address range"),
3738         OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL,
3739                         "Decode instructions from itrace", parse_insn_trace),
3740         OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
3741                         "Run xed disassembler on output", parse_xed),
3742         OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
3743                         "Decode calls from from itrace", parse_call_trace),
3744         OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
3745                         "Decode calls and returns from itrace", parse_callret_trace),
3746         OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",
3747                         "Only print symbols and callees with --call-trace/--call-ret-trace"),
3748         OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3749                    "Stop display of callgraph at these symbols"),
3750         OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3751         OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3752                    "only display events for these comms"),
3753         OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3754                    "only consider symbols in these pids"),
3755         OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3756                    "only consider symbols in these tids"),
3757         OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3758                      "Set the maximum stack depth when parsing the callchain, "
3759                      "anything beyond the specified depth will be ignored. "
3760                      "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3761         OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"),
3762         OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"),
3763         OPT_BOOLEAN('I', "show-info", &show_full_info,
3764                     "display extended information from perf.data file"),
3765         OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3766                     "Show the path of [kernel.kallsyms]"),
3767         OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3768                     "Show the fork/comm/exit events"),
3769         OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3770                     "Show the mmap events"),
3771         OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3772                     "Show context switch events (if recorded)"),
3773         OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3774                     "Show namespace events (if recorded)"),
3775         OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events,
3776                     "Show cgroup events (if recorded)"),
3777         OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3778                     "Show lost events (if recorded)"),
3779         OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3780                     "Show round events (if recorded)"),
3781         OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events,
3782                     "Show bpf related events (if recorded)"),
3783         OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events,
3784                     "Show text poke related events (if recorded)"),
3785         OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
3786                     "Dump trace output to files named by the monitored events"),
3787         OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3788         OPT_INTEGER(0, "max-blocks", &max_blocks,
3789                     "Maximum number of code blocks to dump with brstackinsn"),
3790         OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs,
3791                     "Use 9 decimal places when displaying time"),
3792         OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
3793                             "Instruction Tracing options\n" ITRACE_HELP,
3794                             itrace_parse_synth_opts),
3795         OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
3796                         "Show full source file name path for source lines"),
3797         OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
3798                         "Enable symbol demangling"),
3799         OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
3800                         "Enable kernel symbol demangling"),
3801         OPT_STRING(0, "time", &script.time_str, "str",
3802                    "Time span of interest (start,stop)"),
3803         OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
3804                     "Show inline function"),
3805         OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
3806                    "guest mount directory under which every guest os"
3807                    " instance has a subdir"),
3808         OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name,
3809                    "file", "file saving guest os vmlinux"),
3810         OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms,
3811                    "file", "file saving guest os /proc/kallsyms"),
3812         OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
3813                    "file", "file saving guest os /proc/modules"),
3814         OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr,
3815                     "Enable LBR callgraph stitching approach"),
3816         OPTS_EVSWITCH(&script.evswitch),
3817         OPT_END()
3818         };
3819         const char * const script_subcommands[] = { "record", "report", NULL };
3820         const char *script_usage[] = {
3821                 "perf script [<options>]",
3822                 "perf script [<options>] record <script> [<record-options>] <command>",
3823                 "perf script [<options>] report <script> [script-args]",
3824                 "perf script [<options>] <script> [<record-options>] <command>",
3825                 "perf script [<options>] <top-script> [script-args]",
3826                 NULL
3827         };
3828
3829         perf_set_singlethreaded();
3830
3831         setup_scripting();
3832
3833         argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3834                              PARSE_OPT_STOP_AT_NON_OPTION);
3835
3836         if (symbol_conf.guestmount ||
3837             symbol_conf.default_guest_vmlinux_name ||
3838             symbol_conf.default_guest_kallsyms ||
3839             symbol_conf.default_guest_modules) {
3840                 /*
3841                  * Enable guest sample processing.
3842                  */
3843                 perf_guest = true;
3844         }
3845
3846         data.path  = input_name;
3847         data.force = symbol_conf.force;
3848
3849         if (symbol__validate_sym_arguments())
3850                 return -1;
3851
3852         if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
3853                 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
3854                 if (!rec_script_path)
3855                         return cmd_record(argc, argv);
3856         }
3857
3858         if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
3859                 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
3860                 if (!rep_script_path) {
3861                         fprintf(stderr,
3862                                 "Please specify a valid report script"
3863                                 "(see 'perf script -l' for listing)\n");
3864                         return -1;
3865                 }
3866         }
3867
3868         if (reltime && deltatime) {
3869                 fprintf(stderr,
3870                         "reltime and deltatime - the two don't get along well. "
3871                         "Please limit to --reltime or --deltatime.\n");
3872                 return -1;
3873         }
3874
3875         if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) &&
3876             itrace_synth_opts.callchain_sz > scripting_max_stack)
3877                 scripting_max_stack = itrace_synth_opts.callchain_sz;
3878
3879         /* make sure PERF_EXEC_PATH is set for scripts */
3880         set_argv_exec_path(get_argv_exec_path());
3881
3882         if (argc && !script_name && !rec_script_path && !rep_script_path) {
3883                 int live_pipe[2];
3884                 int rep_args;
3885                 pid_t pid;
3886
3887                 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
3888                 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
3889
3890                 if (!rec_script_path && !rep_script_path) {
3891                         script_name = find_script(argv[0]);
3892                         if (script_name) {
3893                                 argc -= 1;
3894                                 argv += 1;
3895                                 goto script_found;
3896                         }
3897                         usage_with_options_msg(script_usage, options,
3898                                 "Couldn't find script `%s'\n\n See perf"
3899                                 " script -l for available scripts.\n", argv[0]);
3900                 }
3901
3902                 if (is_top_script(argv[0])) {
3903                         rep_args = argc - 1;
3904                 } else {
3905                         int rec_args;
3906
3907                         rep_args = has_required_arg(rep_script_path);
3908                         rec_args = (argc - 1) - rep_args;
3909                         if (rec_args < 0) {
3910                                 usage_with_options_msg(script_usage, options,
3911                                         "`%s' script requires options."
3912                                         "\n\n See perf script -l for available "
3913                                         "scripts and options.\n", argv[0]);
3914                         }
3915                 }
3916
3917                 if (pipe(live_pipe) < 0) {
3918                         perror("failed to create pipe");
3919                         return -1;
3920                 }
3921
3922                 pid = fork();
3923                 if (pid < 0) {
3924                         perror("failed to fork");
3925                         return -1;
3926                 }
3927
3928                 if (!pid) {
3929                         j = 0;
3930
3931                         dup2(live_pipe[1], 1);
3932                         close(live_pipe[0]);
3933
3934                         if (is_top_script(argv[0])) {
3935                                 system_wide = true;
3936                         } else if (!system_wide) {
3937                                 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
3938                                         err = -1;
3939                                         goto out;
3940                                 }
3941                         }
3942
3943                         __argv = malloc((argc + 6) * sizeof(const char *));
3944                         if (!__argv) {
3945                                 pr_err("malloc failed\n");
3946                                 err = -ENOMEM;
3947                                 goto out;
3948                         }
3949
3950                         __argv[j++] = "/bin/sh";
3951                         __argv[j++] = rec_script_path;
3952                         if (system_wide)
3953                                 __argv[j++] = "-a";
3954                         __argv[j++] = "-q";
3955                         __argv[j++] = "-o";
3956                         __argv[j++] = "-";
3957                         for (i = rep_args + 1; i < argc; i++)
3958                                 __argv[j++] = argv[i];
3959                         __argv[j++] = NULL;
3960
3961                         execvp("/bin/sh", (char **)__argv);
3962                         free(__argv);
3963                         exit(-1);
3964                 }
3965
3966                 dup2(live_pipe[0], 0);
3967                 close(live_pipe[1]);
3968
3969                 __argv = malloc((argc + 4) * sizeof(const char *));
3970                 if (!__argv) {
3971                         pr_err("malloc failed\n");
3972                         err = -ENOMEM;
3973                         goto out;
3974                 }
3975
3976                 j = 0;
3977                 __argv[j++] = "/bin/sh";
3978                 __argv[j++] = rep_script_path;
3979                 for (i = 1; i < rep_args + 1; i++)
3980                         __argv[j++] = argv[i];
3981                 __argv[j++] = "-i";
3982                 __argv[j++] = "-";
3983                 __argv[j++] = NULL;
3984
3985                 execvp("/bin/sh", (char **)__argv);
3986                 free(__argv);
3987                 exit(-1);
3988         }
3989 script_found:
3990         if (rec_script_path)
3991                 script_path = rec_script_path;
3992         if (rep_script_path)
3993                 script_path = rep_script_path;
3994
3995         if (script_path) {
3996                 j = 0;
3997
3998                 if (!rec_script_path)
3999                         system_wide = false;
4000                 else if (!system_wide) {
4001                         if (have_cmd(argc - 1, &argv[1]) != 0) {
4002                                 err = -1;
4003                                 goto out;
4004                         }
4005                 }
4006
4007                 __argv = malloc((argc + 2) * sizeof(const char *));
4008                 if (!__argv) {
4009                         pr_err("malloc failed\n");
4010                         err = -ENOMEM;
4011                         goto out;
4012                 }
4013
4014                 __argv[j++] = "/bin/sh";
4015                 __argv[j++] = script_path;
4016                 if (system_wide)
4017                         __argv[j++] = "-a";
4018                 for (i = 2; i < argc; i++)
4019                         __argv[j++] = argv[i];
4020                 __argv[j++] = NULL;
4021
4022                 execvp("/bin/sh", (char **)__argv);
4023                 free(__argv);
4024                 exit(-1);
4025         }
4026
4027         if (dlfilter_file) {
4028                 dlfilter = dlfilter__new(dlfilter_file, dlargc, dlargv);
4029                 if (!dlfilter)
4030                         return -1;
4031         }
4032
4033         if (!script_name) {
4034                 setup_pager();
4035                 use_browser = 0;
4036         }
4037
4038         session = perf_session__new(&data, &script.tool);
4039         if (IS_ERR(session))
4040                 return PTR_ERR(session);
4041
4042         if (header || header_only) {
4043                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
4044                 perf_session__fprintf_info(session, stdout, show_full_info);
4045                 if (header_only)
4046                         goto out_delete;
4047         }
4048         if (show_full_info)
4049                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
4050
4051         if (symbol__init(&session->header.env) < 0)
4052                 goto out_delete;
4053
4054         uname(&uts);
4055         if (data.is_pipe) { /* Assume pipe_mode indicates native_arch */
4056                 native_arch = true;
4057         } else if (session->header.env.arch) {
4058                 if (!strcmp(uts.machine, session->header.env.arch))
4059                         native_arch = true;
4060                 else if (!strcmp(uts.machine, "x86_64") &&
4061                          !strcmp(session->header.env.arch, "i386"))
4062                         native_arch = true;
4063         }
4064
4065         script.session = session;
4066         script__setup_sample_type(&script);
4067
4068         if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) ||
4069             symbol_conf.graph_function)
4070                 itrace_synth_opts.thread_stack = true;
4071
4072         session->itrace_synth_opts = &itrace_synth_opts;
4073
4074         if (cpu_list) {
4075                 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
4076                 if (err < 0)
4077                         goto out_delete;
4078                 itrace_synth_opts.cpu_bitmap = cpu_bitmap;
4079         }
4080
4081         if (!no_callchain)
4082                 symbol_conf.use_callchain = true;
4083         else
4084                 symbol_conf.use_callchain = false;
4085
4086         if (session->tevent.pevent &&
4087             tep_set_function_resolver(session->tevent.pevent,
4088                                       machine__resolve_kernel_addr,
4089                                       &session->machines.host) < 0) {
4090                 pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
4091                 err = -1;
4092                 goto out_delete;
4093         }
4094
4095         if (generate_script_lang) {
4096                 struct stat perf_stat;
4097                 int input;
4098
4099                 if (output_set_by_user()) {
4100                         fprintf(stderr,
4101                                 "custom fields not supported for generated scripts");
4102                         err = -EINVAL;
4103                         goto out_delete;
4104                 }
4105
4106                 input = open(data.path, O_RDONLY);      /* input_name */
4107                 if (input < 0) {
4108                         err = -errno;
4109                         perror("failed to open file");
4110                         goto out_delete;
4111                 }
4112
4113                 err = fstat(input, &perf_stat);
4114                 if (err < 0) {
4115                         perror("failed to stat file");
4116                         goto out_delete;
4117                 }
4118
4119                 if (!perf_stat.st_size) {
4120                         fprintf(stderr, "zero-sized file, nothing to do!\n");
4121                         goto out_delete;
4122                 }
4123
4124                 scripting_ops = script_spec__lookup(generate_script_lang);
4125                 if (!scripting_ops) {
4126                         fprintf(stderr, "invalid language specifier");
4127                         err = -ENOENT;
4128                         goto out_delete;
4129                 }
4130
4131                 err = scripting_ops->generate_script(session->tevent.pevent,
4132                                                      "perf-script");
4133                 goto out_delete;
4134         }
4135
4136         err = dlfilter__start(dlfilter, session);
4137         if (err)
4138                 goto out_delete;
4139
4140         if (script_name) {
4141                 err = scripting_ops->start_script(script_name, argc, argv, session);
4142                 if (err)
4143                         goto out_delete;
4144                 pr_debug("perf script started with script %s\n\n", script_name);
4145                 script_started = true;
4146         }
4147
4148
4149         err = perf_session__check_output_opt(session);
4150         if (err < 0)
4151                 goto out_delete;
4152
4153         if (script.time_str) {
4154                 err = perf_time__parse_for_ranges_reltime(script.time_str, session,
4155                                                   &script.ptime_range,
4156                                                   &script.range_size,
4157                                                   &script.range_num,
4158                                                   reltime);
4159                 if (err < 0)
4160                         goto out_delete;
4161
4162                 itrace_synth_opts__set_time_range(&itrace_synth_opts,
4163                                                   script.ptime_range,
4164                                                   script.range_num);
4165         }
4166
4167         err = evswitch__init(&script.evswitch, session->evlist, stderr);
4168         if (err)
4169                 goto out_delete;
4170
4171         if (zstd_init(&(session->zstd_data), 0) < 0)
4172                 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n");
4173
4174         err = __cmd_script(&script);
4175
4176         flush_scripting();
4177
4178 out_delete:
4179         if (script.ptime_range) {
4180                 itrace_synth_opts__clear_time_range(&itrace_synth_opts);
4181                 zfree(&script.ptime_range);
4182         }
4183
4184         zstd_fini(&(session->zstd_data));
4185         evlist__free_stats(session->evlist);
4186         perf_session__delete(session);
4187         perf_script__exit(&script);
4188
4189         if (script_started)
4190                 cleanup_scripting();
4191         dlfilter__cleanup(dlfilter);
4192         free_dlarg();
4193 out:
4194         return err;
4195 }