tools/perf/builtin-script.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include "builtin.h"
   3
   4 #include "util/counts.h"
   5 #include "util/debug.h"
   6 #include "util/dso.h"
   7 #include <subcmd/exec-cmd.h>
   8 #include "util/header.h"
   9 #include <subcmd/parse-options.h>
  10 #include "util/perf_regs.h"
  11 #include "util/session.h"
  12 #include "util/tool.h"
  13 #include "util/map.h"
  14 #include "util/srcline.h"
  15 #include "util/symbol.h"
  16 #include "util/thread.h"
  17 #include "util/trace-event.h"
  18 #include "util/evlist.h"
  19 #include "util/evsel.h"
  20 #include "util/evsel_fprintf.h"
  21 #include "util/evswitch.h"
  22 #include "util/sort.h"
  23 #include "util/data.h"
  24 #include "util/auxtrace.h"
  25 #include "util/cpumap.h"
  26 #include "util/thread_map.h"
  27 #include "util/stat.h"
  28 #include "util/color.h"
  29 #include "util/string2.h"
  30 #include "util/thread-stack.h"
  31 #include "util/time-utils.h"
  32 #include "util/path.h"
  33 #include "util/event.h"
  34 #include "ui/ui.h"
  35 #include "print_binary.h"
  36 #include "archinsn.h"
  37 #include <linux/bitmap.h>
  38 #include <linux/kernel.h>
  39 #include <linux/stringify.h>
  40 #include <linux/time64.h>
  41 #include <linux/zalloc.h>
  42 #include <sys/utsname.h>
  43 #include "asm/bug.h"
  44 #include "util/mem-events.h"
  45 #include "util/dump-insn.h"
  46 #include <dirent.h>
  47 #include <errno.h>
  48 #include <inttypes.h>
  49 #include <signal.h>
  50 #include <sys/param.h>
  51 #include <sys/types.h>
  52 #include <sys/stat.h>
  53 #include <fcntl.h>
  54 #include <unistd.h>
  55 #include <subcmd/pager.h>
  56 #include <perf/evlist.h>
  57 #include <linux/err.h>
  58 #include "util/dlfilter.h"
  59 #include "util/record.h"
  60 #include "util/util.h"
  61 #include "perf.h"
  62
  63 #include <linux/ctype.h>
  64
  65 static char const               *script_name;
  66 static char const               *generate_script_lang;
  67 static bool                     reltime;
  68 static bool                     deltatime;
  69 static u64                      initial_time;
  70 static u64                      previous_time;
  71 static bool                     debug_mode;
  72 static u64                      last_timestamp;
  73 static u64                      nr_unordered;
  74 static bool                     no_callchain;
  75 static bool                     latency_format;
  76 static bool                     system_wide;
  77 static bool                     print_flags;
  78 static const char               *cpu_list;
  79 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
  80 static struct perf_stat_config  stat_config;
  81 static int                      max_blocks;
  82 static bool                     native_arch;
  83 static struct dlfilter          *dlfilter;
  84 static int                      dlargc;
  85 static char                     **dlargv;
  86
  87 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
  88
  89 enum perf_output_field {
  90         PERF_OUTPUT_COMM            = 1ULL << 0,
  91         PERF_OUTPUT_TID             = 1ULL << 1,
  92         PERF_OUTPUT_PID             = 1ULL << 2,
  93         PERF_OUTPUT_TIME            = 1ULL << 3,
  94         PERF_OUTPUT_CPU             = 1ULL << 4,
  95         PERF_OUTPUT_EVNAME          = 1ULL << 5,
  96         PERF_OUTPUT_TRACE           = 1ULL << 6,
  97         PERF_OUTPUT_IP              = 1ULL << 7,
  98         PERF_OUTPUT_SYM             = 1ULL << 8,
  99         PERF_OUTPUT_DSO             = 1ULL << 9,
 100         PERF_OUTPUT_ADDR            = 1ULL << 10,
 101         PERF_OUTPUT_SYMOFFSET       = 1ULL << 11,
 102         PERF_OUTPUT_SRCLINE         = 1ULL << 12,
 103         PERF_OUTPUT_PERIOD          = 1ULL << 13,
 104         PERF_OUTPUT_IREGS           = 1ULL << 14,
 105         PERF_OUTPUT_BRSTACK         = 1ULL << 15,
 106         PERF_OUTPUT_BRSTACKSYM      = 1ULL << 16,
 107         PERF_OUTPUT_DATA_SRC        = 1ULL << 17,
 108         PERF_OUTPUT_WEIGHT          = 1ULL << 18,
 109         PERF_OUTPUT_BPF_OUTPUT      = 1ULL << 19,
 110         PERF_OUTPUT_CALLINDENT      = 1ULL << 20,
 111         PERF_OUTPUT_INSN            = 1ULL << 21,
 112         PERF_OUTPUT_INSNLEN         = 1ULL << 22,
 113         PERF_OUTPUT_BRSTACKINSN     = 1ULL << 23,
 114         PERF_OUTPUT_BRSTACKOFF      = 1ULL << 24,
 115         PERF_OUTPUT_SYNTH           = 1ULL << 25,
 116         PERF_OUTPUT_PHYS_ADDR       = 1ULL << 26,
 117         PERF_OUTPUT_UREGS           = 1ULL << 27,
 118         PERF_OUTPUT_METRIC          = 1ULL << 28,
 119         PERF_OUTPUT_MISC            = 1ULL << 29,
 120         PERF_OUTPUT_SRCCODE         = 1ULL << 30,
 121         PERF_OUTPUT_IPC             = 1ULL << 31,
 122         PERF_OUTPUT_TOD             = 1ULL << 32,
 123         PERF_OUTPUT_DATA_PAGE_SIZE  = 1ULL << 33,
 124         PERF_OUTPUT_CODE_PAGE_SIZE  = 1ULL << 34,
 125 };
 126
 127 struct perf_script {
 128         struct perf_tool        tool;
 129         struct perf_session     *session;
 130         bool                    show_task_events;
 131         bool                    show_mmap_events;
 132         bool                    show_switch_events;
 133         bool                    show_namespace_events;
 134         bool                    show_lost_events;
 135         bool                    show_round_events;
 136         bool                    show_bpf_events;
 137         bool                    show_cgroup_events;
 138         bool                    show_text_poke_events;
 139         bool                    allocated;
 140         bool                    per_event_dump;
 141         bool                    stitch_lbr;
 142         struct evswitch         evswitch;
 143         struct perf_cpu_map     *cpus;
 144         struct perf_thread_map *threads;
 145         int                     name_width;
 146         const char              *time_str;
 147         struct perf_time_interval *ptime_range;
 148         int                     range_size;
 149         int                     range_num;
 150 };
 151
 152 struct output_option {
 153         const char *str;
 154         enum perf_output_field field;
 155 } all_output_options[] = {
 156         {.str = "comm",  .field = PERF_OUTPUT_COMM},
 157         {.str = "tid",   .field = PERF_OUTPUT_TID},
 158         {.str = "pid",   .field = PERF_OUTPUT_PID},
 159         {.str = "time",  .field = PERF_OUTPUT_TIME},
 160         {.str = "cpu",   .field = PERF_OUTPUT_CPU},
 161         {.str = "event", .field = PERF_OUTPUT_EVNAME},
 162         {.str = "trace", .field = PERF_OUTPUT_TRACE},
 163         {.str = "ip",    .field = PERF_OUTPUT_IP},
 164         {.str = "sym",   .field = PERF_OUTPUT_SYM},
 165         {.str = "dso",   .field = PERF_OUTPUT_DSO},
 166         {.str = "addr",  .field = PERF_OUTPUT_ADDR},
 167         {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
 168         {.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
 169         {.str = "period", .field = PERF_OUTPUT_PERIOD},
 170         {.str = "iregs", .field = PERF_OUTPUT_IREGS},
 171         {.str = "uregs", .field = PERF_OUTPUT_UREGS},
 172         {.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
 173         {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
 174         {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
 175         {.str = "weight",   .field = PERF_OUTPUT_WEIGHT},
 176         {.str = "bpf-output",   .field = PERF_OUTPUT_BPF_OUTPUT},
 177         {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
 178         {.str = "insn", .field = PERF_OUTPUT_INSN},
 179         {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
 180         {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
 181         {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
 182         {.str = "synth", .field = PERF_OUTPUT_SYNTH},
 183         {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
 184         {.str = "metric", .field = PERF_OUTPUT_METRIC},
 185         {.str = "misc", .field = PERF_OUTPUT_MISC},
 186         {.str = "srccode", .field = PERF_OUTPUT_SRCCODE},
 187         {.str = "ipc", .field = PERF_OUTPUT_IPC},
 188         {.str = "tod", .field = PERF_OUTPUT_TOD},
 189         {.str = "data_page_size", .field = PERF_OUTPUT_DATA_PAGE_SIZE},
 190         {.str = "code_page_size", .field = PERF_OUTPUT_CODE_PAGE_SIZE},
 191 };
 192
 193 enum {
 194         OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
 195         OUTPUT_TYPE_OTHER,
 196         OUTPUT_TYPE_MAX
 197 };
 198
 199 /* default set to maintain compatibility with current format */
 200 static struct {
 201         bool user_set;
 202         bool wildcard_set;
 203         unsigned int print_ip_opts;
 204         u64 fields;
 205         u64 invalid_fields;
 206         u64 user_set_fields;
 207         u64 user_unset_fields;
 208 } output[OUTPUT_TYPE_MAX] = {
 209
 210         [PERF_TYPE_HARDWARE] = {
 211                 .user_set = false,
 212
 213                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 214                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 215                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 216                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 217                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 218
 219                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 220         },
 221
 222         [PERF_TYPE_SOFTWARE] = {
 223                 .user_set = false,
 224
 225                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 226                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 227                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 228                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 229                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
 230                               PERF_OUTPUT_BPF_OUTPUT,
 231
 232                 .invalid_fields = PERF_OUTPUT_TRACE,
 233         },
 234
 235         [PERF_TYPE_TRACEPOINT] = {
 236                 .user_set = false,
 237
 238                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 239                                   PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 240                                   PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
 241         },
 242
 243         [PERF_TYPE_HW_CACHE] = {
 244                 .user_set = false,
 245
 246                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 247                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 248                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 249                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 250                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 251
 252                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 253         },
 254
 255         [PERF_TYPE_RAW] = {
 256                 .user_set = false,
 257
 258                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 259                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 260                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 261                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 262                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
 263                               PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
 264                               PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR |
 265                               PERF_OUTPUT_DATA_PAGE_SIZE | PERF_OUTPUT_CODE_PAGE_SIZE,
 266
 267                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 268         },
 269
 270         [PERF_TYPE_BREAKPOINT] = {
 271                 .user_set = false,
 272
 273                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 274                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 275                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 276                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 277                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 278
 279                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 280         },
 281
 282         [OUTPUT_TYPE_SYNTH] = {
 283                 .user_set = false,
 284
 285                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 286                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 287                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 288                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 289                               PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH,
 290
 291                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 292         },
 293
 294         [OUTPUT_TYPE_OTHER] = {
 295                 .user_set = false,
 296
 297                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 298                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 299                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 300                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 301                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 302
 303                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 304         },
 305 };
 306
 307 struct evsel_script {
 308        char *filename;
 309        FILE *fp;
 310        u64  samples;
 311        /* For metric output */
 312        u64  val;
 313        int  gnum;
 314 };
 315
 316 static inline struct evsel_script *evsel_script(struct evsel *evsel)
 317 {
 318         return (struct evsel_script *)evsel->priv;
 319 }
 320
 321 static struct evsel_script *evsel_script__new(struct evsel *evsel, struct perf_data *data)
 322 {
 323         struct evsel_script *es = zalloc(sizeof(*es));
 324
 325         if (es != NULL) {
 326                 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0)
 327                         goto out_free;
 328                 es->fp = fopen(es->filename, "w");
 329                 if (es->fp == NULL)
 330                         goto out_free_filename;
 331         }
 332
 333         return es;
 334 out_free_filename:
 335         zfree(&es->filename);
 336 out_free:
 337         free(es);
 338         return NULL;
 339 }
 340
 341 static void evsel_script__delete(struct evsel_script *es)
 342 {
 343         zfree(&es->filename);
 344         fclose(es->fp);
 345         es->fp = NULL;
 346         free(es);
 347 }
 348
 349 static int evsel_script__fprintf(struct evsel_script *es, FILE *fp)
 350 {
 351         struct stat st;
 352
 353         fstat(fileno(es->fp), &st);
 354         return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
 355                        st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
 356 }
 357
 358 static inline int output_type(unsigned int type)
 359 {
 360         switch (type) {
 361         case PERF_TYPE_SYNTH:
 362                 return OUTPUT_TYPE_SYNTH;
 363         default:
 364                 if (type < PERF_TYPE_MAX)
 365                         return type;
 366         }
 367
 368         return OUTPUT_TYPE_OTHER;
 369 }
 370
 371 static inline unsigned int attr_type(unsigned int type)
 372 {
 373         switch (type) {
 374         case OUTPUT_TYPE_SYNTH:
 375                 return PERF_TYPE_SYNTH;
 376         default:
 377                 return type;
 378         }
 379 }
 380
 381 static bool output_set_by_user(void)
 382 {
 383         int j;
 384         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 385                 if (output[j].user_set)
 386                         return true;
 387         }
 388         return false;
 389 }
 390
 391 static const char *output_field2str(enum perf_output_field field)
 392 {
 393         int i, imax = ARRAY_SIZE(all_output_options);
 394         const char *str = "";
 395
 396         for (i = 0; i < imax; ++i) {
 397                 if (all_output_options[i].field == field) {
 398                         str = all_output_options[i].str;
 399                         break;
 400                 }
 401         }
 402         return str;
 403 }
 404
 405 #define PRINT_FIELD(x)  (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
 406
 407 static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
 408                                  enum perf_output_field field, bool allow_user_set)
 409 {
 410         struct perf_event_attr *attr = &evsel->core.attr;
 411         int type = output_type(attr->type);
 412         const char *evname;
 413
 414         if (attr->sample_type & sample_type)
 415                 return 0;
 416
 417         if (output[type].user_set_fields & field) {
 418                 if (allow_user_set)
 419                         return 0;
 420                 evname = evsel__name(evsel);
 421                 pr_err("Samples for '%s' event do not have %s attribute set. "
 422                        "Cannot print '%s' field.\n",
 423                        evname, sample_msg, output_field2str(field));
 424                 return -1;
 425         }
 426
 427         /* user did not ask for it explicitly so remove from the default list */
 428         output[type].fields &= ~field;
 429         evname = evsel__name(evsel);
 430         pr_debug("Samples for '%s' event do not have %s attribute set. "
 431                  "Skipping '%s' field.\n",
 432                  evname, sample_msg, output_field2str(field));
 433
 434         return 0;
 435 }
 436
 437 static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
 438                               enum perf_output_field field)
 439 {
 440         return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false);
 441 }
 442
 443 static int evsel__check_attr(struct evsel *evsel, struct perf_session *session)
 444 {
 445         struct perf_event_attr *attr = &evsel->core.attr;
 446         bool allow_user_set;
 447
 448         if (perf_header__has_feat(&session->header, HEADER_STAT))
 449                 return 0;
 450
 451         allow_user_set = perf_header__has_feat(&session->header,
 452                                                HEADER_AUXTRACE);
 453
 454         if (PRINT_FIELD(TRACE) &&
 455             !perf_session__has_traces(session, "record -R"))
 456                 return -EINVAL;
 457
 458         if (PRINT_FIELD(IP)) {
 459                 if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP))
 460                         return -EINVAL;
 461         }
 462
 463         if (PRINT_FIELD(ADDR) &&
 464             evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set))
 465                 return -EINVAL;
 466
 467         if (PRINT_FIELD(DATA_SRC) &&
 468             evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC))
 469                 return -EINVAL;
 470
 471         if (PRINT_FIELD(WEIGHT) &&
 472             evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT", PERF_OUTPUT_WEIGHT))
 473                 return -EINVAL;
 474
 475         if (PRINT_FIELD(SYM) &&
 476             !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
 477                 pr_err("Display of symbols requested but neither sample IP nor "
 478                            "sample address\navailable. Hence, no addresses to convert "
 479                        "to symbols.\n");
 480                 return -EINVAL;
 481         }
 482         if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
 483                 pr_err("Display of offsets requested but symbol is not"
 484                        "selected.\n");
 485                 return -EINVAL;
 486         }
 487         if (PRINT_FIELD(DSO) &&
 488             !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
 489                 pr_err("Display of DSO requested but no address to convert.\n");
 490                 return -EINVAL;
 491         }
 492         if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) {
 493                 pr_err("Display of source line number requested but sample IP is not\n"
 494                        "selected. Hence, no address to lookup the source line number.\n");
 495                 return -EINVAL;
 496         }
 497         if (PRINT_FIELD(BRSTACKINSN) && !allow_user_set &&
 498             !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) {
 499                 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
 500                        "Hint: run 'perf record -b ...'\n");
 501                 return -EINVAL;
 502         }
 503         if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
 504             evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID))
 505                 return -EINVAL;
 506
 507         if (PRINT_FIELD(TIME) &&
 508             evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME))
 509                 return -EINVAL;
 510
 511         if (PRINT_FIELD(CPU) &&
 512             evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set))
 513                 return -EINVAL;
 514
 515         if (PRINT_FIELD(IREGS) &&
 516             evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set))
 517                 return -EINVAL;
 518
 519         if (PRINT_FIELD(UREGS) &&
 520             evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS))
 521                 return -EINVAL;
 522
 523         if (PRINT_FIELD(PHYS_ADDR) &&
 524             evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR))
 525                 return -EINVAL;
 526
 527         if (PRINT_FIELD(DATA_PAGE_SIZE) &&
 528             evsel__check_stype(evsel, PERF_SAMPLE_DATA_PAGE_SIZE, "DATA_PAGE_SIZE", PERF_OUTPUT_DATA_PAGE_SIZE))
 529                 return -EINVAL;
 530
 531         if (PRINT_FIELD(CODE_PAGE_SIZE) &&
 532             evsel__check_stype(evsel, PERF_SAMPLE_CODE_PAGE_SIZE, "CODE_PAGE_SIZE", PERF_OUTPUT_CODE_PAGE_SIZE))
 533                 return -EINVAL;
 534
 535         return 0;
 536 }
 537
 538 static void set_print_ip_opts(struct perf_event_attr *attr)
 539 {
 540         unsigned int type = output_type(attr->type);
 541
 542         output[type].print_ip_opts = 0;
 543         if (PRINT_FIELD(IP))
 544                 output[type].print_ip_opts |= EVSEL__PRINT_IP;
 545
 546         if (PRINT_FIELD(SYM))
 547                 output[type].print_ip_opts |= EVSEL__PRINT_SYM;
 548
 549         if (PRINT_FIELD(DSO))
 550                 output[type].print_ip_opts |= EVSEL__PRINT_DSO;
 551
 552         if (PRINT_FIELD(SYMOFFSET))
 553                 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
 554
 555         if (PRINT_FIELD(SRCLINE))
 556                 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
 557 }
 558
 559 /*
 560  * verify all user requested events exist and the samples
 561  * have the expected data
 562  */
 563 static int perf_session__check_output_opt(struct perf_session *session)
 564 {
 565         bool tod = false;
 566         unsigned int j;
 567         struct evsel *evsel;
 568
 569         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 570                 evsel = perf_session__find_first_evtype(session, attr_type(j));
 571
 572                 /*
 573                  * even if fields is set to 0 (ie., show nothing) event must
 574                  * exist if user explicitly includes it on the command line
 575                  */
 576                 if (!evsel && output[j].user_set && !output[j].wildcard_set &&
 577                     j != OUTPUT_TYPE_SYNTH) {
 578                         pr_err("%s events do not exist. "
 579                                "Remove corresponding -F option to proceed.\n",
 580                                event_type(j));
 581                         return -1;
 582                 }
 583
 584                 if (evsel && output[j].fields &&
 585                         evsel__check_attr(evsel, session))
 586                         return -1;
 587
 588                 if (evsel == NULL)
 589                         continue;
 590
 591                 set_print_ip_opts(&evsel->core.attr);
 592                 tod |= output[j].fields & PERF_OUTPUT_TOD;
 593         }
 594
 595         if (!no_callchain) {
 596                 bool use_callchain = false;
 597                 bool not_pipe = false;
 598
 599                 evlist__for_each_entry(session->evlist, evsel) {
 600                         not_pipe = true;
 601                         if (evsel__has_callchain(evsel)) {
 602                                 use_callchain = true;
 603                                 break;
 604                         }
 605                 }
 606                 if (not_pipe && !use_callchain)
 607                         symbol_conf.use_callchain = false;
 608         }
 609
 610         /*
 611          * set default for tracepoints to print symbols only
 612          * if callchains are present
 613          */
 614         if (symbol_conf.use_callchain &&
 615             !output[PERF_TYPE_TRACEPOINT].user_set) {
 616                 j = PERF_TYPE_TRACEPOINT;
 617
 618                 evlist__for_each_entry(session->evlist, evsel) {
 619                         if (evsel->core.attr.type != j)
 620                                 continue;
 621
 622                         if (evsel__has_callchain(evsel)) {
 623                                 output[j].fields |= PERF_OUTPUT_IP;
 624                                 output[j].fields |= PERF_OUTPUT_SYM;
 625                                 output[j].fields |= PERF_OUTPUT_SYMOFFSET;
 626                                 output[j].fields |= PERF_OUTPUT_DSO;
 627                                 set_print_ip_opts(&evsel->core.attr);
 628                                 goto out;
 629                         }
 630                 }
 631         }
 632
 633         if (tod && !session->header.env.clock.enabled) {
 634                 pr_err("Can't provide 'tod' time, missing clock data. "
 635                        "Please record with -k/--clockid option.\n");
 636                 return -1;
 637         }
 638 out:
 639         return 0;
 640 }
 641
 642 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask,
 643                                      FILE *fp)
 644 {
 645         unsigned i = 0, r;
 646         int printed = 0;
 647
 648         if (!regs || !regs->regs)
 649                 return 0;
 650
 651         printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
 652
 653         for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
 654                 u64 val = regs->regs[i++];
 655                 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
 656         }
 657
 658         return printed;
 659 }
 660
 661 #define DEFAULT_TOD_FMT "%F %H:%M:%S"
 662
 663 static char*
 664 tod_scnprintf(struct perf_script *script, char *buf, int buflen,
 665              u64 timestamp)
 666 {
 667         u64 tod_ns, clockid_ns;
 668         struct perf_env *env;
 669         unsigned long nsec;
 670         struct tm ltime;
 671         char date[64];
 672         time_t sec;
 673
 674         buf[0] = '\0';
 675         if (buflen < 64 || !script)
 676                 return buf;
 677
 678         env = &script->session->header.env;
 679         if (!env->clock.enabled) {
 680                 scnprintf(buf, buflen, "disabled");
 681                 return buf;
 682         }
 683
 684         clockid_ns = env->clock.clockid_ns;
 685         tod_ns     = env->clock.tod_ns;
 686
 687         if (timestamp > clockid_ns)
 688                 tod_ns += timestamp - clockid_ns;
 689         else
 690                 tod_ns -= clockid_ns - timestamp;
 691
 692         sec  = (time_t) (tod_ns / NSEC_PER_SEC);
 693         nsec = tod_ns - sec * NSEC_PER_SEC;
 694
 695         if (localtime_r(&sec, &ltime) == NULL) {
 696                 scnprintf(buf, buflen, "failed");
 697         } else {
 698                 strftime(date, sizeof(date), DEFAULT_TOD_FMT, &ltime);
 699
 700                 if (symbol_conf.nanosecs) {
 701                         snprintf(buf, buflen, "%s.%09lu", date, nsec);
 702                 } else {
 703                         snprintf(buf, buflen, "%s.%06lu",
 704                                  date, nsec / NSEC_PER_USEC);
 705                 }
 706         }
 707
 708         return buf;
 709 }
 710
 711 static int perf_sample__fprintf_iregs(struct perf_sample *sample,
 712                                       struct perf_event_attr *attr, FILE *fp)
 713 {
 714         return perf_sample__fprintf_regs(&sample->intr_regs,
 715                                          attr->sample_regs_intr, fp);
 716 }
 717
 718 static int perf_sample__fprintf_uregs(struct perf_sample *sample,
 719                                       struct perf_event_attr *attr, FILE *fp)
 720 {
 721         return perf_sample__fprintf_regs(&sample->user_regs,
 722                                          attr->sample_regs_user, fp);
 723 }
 724
 725 static int perf_sample__fprintf_start(struct perf_script *script,
 726                                       struct perf_sample *sample,
 727                                       struct thread *thread,
 728                                       struct evsel *evsel,
 729                                       u32 type, FILE *fp)
 730 {
 731         struct perf_event_attr *attr = &evsel->core.attr;
 732         unsigned long secs;
 733         unsigned long long nsecs;
 734         int printed = 0;
 735         char tstr[128];
 736
 737         if (PRINT_FIELD(COMM)) {
 738                 const char *comm = thread ? thread__comm_str(thread) : ":-1";
 739
 740                 if (latency_format)
 741                         printed += fprintf(fp, "%8.8s ", comm);
 742                 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
 743                         printed += fprintf(fp, "%s ", comm);
 744                 else
 745                         printed += fprintf(fp, "%16s ", comm);
 746         }
 747
 748         if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
 749                 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid);
 750         else if (PRINT_FIELD(PID))
 751                 printed += fprintf(fp, "%5d ", sample->pid);
 752         else if (PRINT_FIELD(TID))
 753                 printed += fprintf(fp, "%5d ", sample->tid);
 754
 755         if (PRINT_FIELD(CPU)) {
 756                 if (latency_format)
 757                         printed += fprintf(fp, "%3d ", sample->cpu);
 758                 else
 759                         printed += fprintf(fp, "[%03d] ", sample->cpu);
 760         }
 761
 762         if (PRINT_FIELD(MISC)) {
 763                 int ret = 0;
 764
 765                 #define has(m) \
 766                         (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
 767
 768                 if (has(KERNEL))
 769                         ret += fprintf(fp, "K");
 770                 if (has(USER))
 771                         ret += fprintf(fp, "U");
 772                 if (has(HYPERVISOR))
 773                         ret += fprintf(fp, "H");
 774                 if (has(GUEST_KERNEL))
 775                         ret += fprintf(fp, "G");
 776                 if (has(GUEST_USER))
 777                         ret += fprintf(fp, "g");
 778
 779                 switch (type) {
 780                 case PERF_RECORD_MMAP:
 781                 case PERF_RECORD_MMAP2:
 782                         if (has(MMAP_DATA))
 783                                 ret += fprintf(fp, "M");
 784                         break;
 785                 case PERF_RECORD_COMM:
 786                         if (has(COMM_EXEC))
 787                                 ret += fprintf(fp, "E");
 788                         break;
 789                 case PERF_RECORD_SWITCH:
 790                 case PERF_RECORD_SWITCH_CPU_WIDE:
 791                         if (has(SWITCH_OUT)) {
 792                                 ret += fprintf(fp, "S");
 793                                 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
 794                                         ret += fprintf(fp, "p");
 795                         }
 796                 default:
 797                         break;
 798                 }
 799
 800                 #undef has
 801
 802                 ret += fprintf(fp, "%*s", 6 - ret, " ");
 803                 printed += ret;
 804         }
 805
 806         if (PRINT_FIELD(TOD)) {
 807                 tod_scnprintf(script, tstr, sizeof(tstr), sample->time);
 808                 printed += fprintf(fp, "%s ", tstr);
 809         }
 810
 811         if (PRINT_FIELD(TIME)) {
 812                 u64 t = sample->time;
 813                 if (reltime) {
 814                         if (!initial_time)
 815                                 initial_time = sample->time;
 816                         t = sample->time - initial_time;
 817                 } else if (deltatime) {
 818                         if (previous_time)
 819                                 t = sample->time - previous_time;
 820                         else {
 821                                 t = 0;
 822                         }
 823                         previous_time = sample->time;
 824                 }
 825                 nsecs = t;
 826                 secs = nsecs / NSEC_PER_SEC;
 827                 nsecs -= secs * NSEC_PER_SEC;
 828
 829                 if (symbol_conf.nanosecs)
 830                         printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
 831                 else {
 832                         char sample_time[32];
 833                         timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time));
 834                         printed += fprintf(fp, "%12s: ", sample_time);
 835                 }
 836         }
 837
 838         return printed;
 839 }
 840
 841 static inline char
 842 mispred_str(struct branch_entry *br)
 843 {
 844         if (!(br->flags.mispred  || br->flags.predicted))
 845                 return '-';
 846
 847         return br->flags.predicted ? 'P' : 'M';
 848 }
 849
 850 static int perf_sample__fprintf_brstack(struct perf_sample *sample,
 851                                         struct thread *thread,
 852                                         struct perf_event_attr *attr, FILE *fp)
 853 {
 854         struct branch_stack *br = sample->branch_stack;
 855         struct branch_entry *entries = perf_sample__branch_entries(sample);
 856         struct addr_location alf, alt;
 857         u64 i, from, to;
 858         int printed = 0;
 859
 860         if (!(br && br->nr))
 861                 return 0;
 862
 863         for (i = 0; i < br->nr; i++) {
 864                 from = entries[i].from;
 865                 to   = entries[i].to;
 866
 867                 if (PRINT_FIELD(DSO)) {
 868                         memset(&alf, 0, sizeof(alf));
 869                         memset(&alt, 0, sizeof(alt));
 870                         thread__find_map_fb(thread, sample->cpumode, from, &alf);
 871                         thread__find_map_fb(thread, sample->cpumode, to, &alt);
 872                 }
 873
 874                 printed += fprintf(fp, " 0x%"PRIx64, from);
 875                 if (PRINT_FIELD(DSO)) {
 876                         printed += fprintf(fp, "(");
 877                         printed += map__fprintf_dsoname(alf.map, fp);
 878                         printed += fprintf(fp, ")");
 879                 }
 880
 881                 printed += fprintf(fp, "/0x%"PRIx64, to);
 882                 if (PRINT_FIELD(DSO)) {
 883                         printed += fprintf(fp, "(");
 884                         printed += map__fprintf_dsoname(alt.map, fp);
 885                         printed += fprintf(fp, ")");
 886                 }
 887
 888                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 889                         mispred_str(entries + i),
 890                         entries[i].flags.in_tx ? 'X' : '-',
 891                         entries[i].flags.abort ? 'A' : '-',
 892                         entries[i].flags.cycles);
 893         }
 894
 895         return printed;
 896 }
 897
 898 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
 899                                            struct thread *thread,
 900                                            struct perf_event_attr *attr, FILE *fp)
 901 {
 902         struct branch_stack *br = sample->branch_stack;
 903         struct branch_entry *entries = perf_sample__branch_entries(sample);
 904         struct addr_location alf, alt;
 905         u64 i, from, to;
 906         int printed = 0;
 907
 908         if (!(br && br->nr))
 909                 return 0;
 910
 911         for (i = 0; i < br->nr; i++) {
 912
 913                 memset(&alf, 0, sizeof(alf));
 914                 memset(&alt, 0, sizeof(alt));
 915                 from = entries[i].from;
 916                 to   = entries[i].to;
 917
 918                 thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
 919                 thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
 920
 921                 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
 922                 if (PRINT_FIELD(DSO)) {
 923                         printed += fprintf(fp, "(");
 924                         printed += map__fprintf_dsoname(alf.map, fp);
 925                         printed += fprintf(fp, ")");
 926                 }
 927                 printed += fprintf(fp, "%c", '/');
 928                 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
 929                 if (PRINT_FIELD(DSO)) {
 930                         printed += fprintf(fp, "(");
 931                         printed += map__fprintf_dsoname(alt.map, fp);
 932                         printed += fprintf(fp, ")");
 933                 }
 934                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 935                         mispred_str(entries + i),
 936                         entries[i].flags.in_tx ? 'X' : '-',
 937                         entries[i].flags.abort ? 'A' : '-',
 938                         entries[i].flags.cycles);
 939         }
 940
 941         return printed;
 942 }
 943
 944 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
 945                                            struct thread *thread,
 946                                            struct perf_event_attr *attr, FILE *fp)
 947 {
 948         struct branch_stack *br = sample->branch_stack;
 949         struct branch_entry *entries = perf_sample__branch_entries(sample);
 950         struct addr_location alf, alt;
 951         u64 i, from, to;
 952         int printed = 0;
 953
 954         if (!(br && br->nr))
 955                 return 0;
 956
 957         for (i = 0; i < br->nr; i++) {
 958
 959                 memset(&alf, 0, sizeof(alf));
 960                 memset(&alt, 0, sizeof(alt));
 961                 from = entries[i].from;
 962                 to   = entries[i].to;
 963
 964                 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
 965                     !alf.map->dso->adjust_symbols)
 966                         from = map__map_ip(alf.map, from);
 967
 968                 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
 969                     !alt.map->dso->adjust_symbols)
 970                         to = map__map_ip(alt.map, to);
 971
 972                 printed += fprintf(fp, " 0x%"PRIx64, from);
 973                 if (PRINT_FIELD(DSO)) {
 974                         printed += fprintf(fp, "(");
 975                         printed += map__fprintf_dsoname(alf.map, fp);
 976                         printed += fprintf(fp, ")");
 977                 }
 978                 printed += fprintf(fp, "/0x%"PRIx64, to);
 979                 if (PRINT_FIELD(DSO)) {
 980                         printed += fprintf(fp, "(");
 981                         printed += map__fprintf_dsoname(alt.map, fp);
 982                         printed += fprintf(fp, ")");
 983                 }
 984                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 985                         mispred_str(entries + i),
 986                         entries[i].flags.in_tx ? 'X' : '-',
 987                         entries[i].flags.abort ? 'A' : '-',
 988                         entries[i].flags.cycles);
 989         }
 990
 991         return printed;
 992 }
 993 #define MAXBB 16384UL
 994
 995 static int grab_bb(u8 *buffer, u64 start, u64 end,
 996                     struct machine *machine, struct thread *thread,
 997                     bool *is64bit, u8 *cpumode, bool last)
 998 {
 999         long offset, len;
1000         struct addr_location al;
1001         bool kernel;
1002
1003         if (!start || !end)
1004                 return 0;
1005
1006         kernel = machine__kernel_ip(machine, start);
1007         if (kernel)
1008                 *cpumode = PERF_RECORD_MISC_KERNEL;
1009         else
1010                 *cpumode = PERF_RECORD_MISC_USER;
1011
1012         /*
1013          * Block overlaps between kernel and user.
1014          * This can happen due to ring filtering
1015          * On Intel CPUs the entry into the kernel is filtered,
1016          * but the exit is not. Let the caller patch it up.
1017          */
1018         if (kernel != machine__kernel_ip(machine, end)) {
1019                 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
1020                 return -ENXIO;
1021         }
1022
1023         memset(&al, 0, sizeof(al));
1024         if (end - start > MAXBB - MAXINSN) {
1025                 if (last)
1026                         pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
1027                 else
1028                         pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
1029                 return 0;
1030         }
1031
1032         if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) {
1033                 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1034                 return 0;
1035         }
1036         if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
1037                 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1038                 return 0;
1039         }
1040
1041         /* Load maps to ensure dso->is_64_bit has been updated */
1042         map__load(al.map);
1043
1044         offset = al.map->map_ip(al.map, start);
1045         len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer,
1046                                     end - start + MAXINSN);
1047
1048         *is64bit = al.map->dso->is_64_bit;
1049         if (len <= 0)
1050                 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
1051                         start, end);
1052         return len;
1053 }
1054
1055 static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state)
1056 {
1057         char *srcfile;
1058         int ret = 0;
1059         unsigned line;
1060         int len;
1061         char *srccode;
1062
1063         if (!map || !map->dso)
1064                 return 0;
1065         srcfile = get_srcline_split(map->dso,
1066                                     map__rip_2objdump(map, addr),
1067                                     &line);
1068         if (!srcfile)
1069                 return 0;
1070
1071         /* Avoid redundant printing */
1072         if (state &&
1073             state->srcfile &&
1074             !strcmp(state->srcfile, srcfile) &&
1075             state->line == line) {
1076                 free(srcfile);
1077                 return 0;
1078         }
1079
1080         srccode = find_sourceline(srcfile, line, &len);
1081         if (!srccode)
1082                 goto out_free_line;
1083
1084         ret = fprintf(fp, "|%-8d %.*s", line, len, srccode);
1085
1086         if (state) {
1087                 state->srcfile = srcfile;
1088                 state->line = line;
1089         }
1090         return ret;
1091
1092 out_free_line:
1093         free(srcfile);
1094         return ret;
1095 }
1096
1097 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr)
1098 {
1099         struct addr_location al;
1100         int ret = 0;
1101
1102         memset(&al, 0, sizeof(al));
1103         thread__find_map(thread, cpumode, addr, &al);
1104         if (!al.map)
1105                 return 0;
1106         ret = map__fprintf_srccode(al.map, al.addr, stdout,
1107                     &thread->srccode_state);
1108         if (ret)
1109                 ret += printf("\n");
1110         return ret;
1111 }
1112
1113 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
1114                             struct perf_insn *x, u8 *inbuf, int len,
1115                             int insn, FILE *fp, int *total_cycles)
1116 {
1117         int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip,
1118                               dump_insn(x, ip, inbuf, len, NULL),
1119                               en->flags.predicted ? " PRED" : "",
1120                               en->flags.mispred ? " MISPRED" : "",
1121                               en->flags.in_tx ? " INTX" : "",
1122                               en->flags.abort ? " ABORT" : "");
1123         if (en->flags.cycles) {
1124                 *total_cycles += en->flags.cycles;
1125                 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles);
1126                 if (insn)
1127                         printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
1128         }
1129         return printed + fprintf(fp, "\n");
1130 }
1131
1132 static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
1133                            u8 cpumode, int cpu, struct symbol **lastsym,
1134                            struct perf_event_attr *attr, FILE *fp)
1135 {
1136         struct addr_location al;
1137         int off, printed = 0;
1138
1139         memset(&al, 0, sizeof(al));
1140
1141         thread__find_map(thread, cpumode, addr, &al);
1142
1143         if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
1144                 return 0;
1145
1146         al.cpu = cpu;
1147         al.sym = NULL;
1148         if (al.map)
1149                 al.sym = map__find_symbol(al.map, al.addr);
1150
1151         if (!al.sym)
1152                 return 0;
1153
1154         if (al.addr < al.sym->end)
1155                 off = al.addr - al.sym->start;
1156         else
1157                 off = al.addr - al.map->start - al.sym->start;
1158         printed += fprintf(fp, "\t%s", al.sym->name);
1159         if (off)
1160                 printed += fprintf(fp, "%+d", off);
1161         printed += fprintf(fp, ":");
1162         if (PRINT_FIELD(SRCLINE))
1163                 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
1164         printed += fprintf(fp, "\n");
1165         *lastsym = al.sym;
1166
1167         return printed;
1168 }
1169
1170 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
1171                                             struct thread *thread,
1172                                             struct perf_event_attr *attr,
1173                                             struct machine *machine, FILE *fp)
1174 {
1175         struct branch_stack *br = sample->branch_stack;
1176         struct branch_entry *entries = perf_sample__branch_entries(sample);
1177         u64 start, end;
1178         int i, insn, len, nr, ilen, printed = 0;
1179         struct perf_insn x;
1180         u8 buffer[MAXBB];
1181         unsigned off;
1182         struct symbol *lastsym = NULL;
1183         int total_cycles = 0;
1184
1185         if (!(br && br->nr))
1186                 return 0;
1187         nr = br->nr;
1188         if (max_blocks && nr > max_blocks + 1)
1189                 nr = max_blocks + 1;
1190
1191         x.thread = thread;
1192         x.cpu = sample->cpu;
1193
1194         printed += fprintf(fp, "%c", '\n');
1195
1196         /* Handle first from jump, of which we don't know the entry. */
1197         len = grab_bb(buffer, entries[nr-1].from,
1198                         entries[nr-1].from,
1199                         machine, thread, &x.is64bit, &x.cpumode, false);
1200         if (len > 0) {
1201                 printed += ip__fprintf_sym(entries[nr - 1].from, thread,
1202                                            x.cpumode, x.cpu, &lastsym, attr, fp);
1203                 printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1],
1204                                             &x, buffer, len, 0, fp, &total_cycles);
1205                 if (PRINT_FIELD(SRCCODE))
1206                         printed += print_srccode(thread, x.cpumode, entries[nr - 1].from);
1207         }
1208
1209         /* Print all blocks */
1210         for (i = nr - 2; i >= 0; i--) {
1211                 if (entries[i].from || entries[i].to)
1212                         pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1213                                  entries[i].from,
1214                                  entries[i].to);
1215                 start = entries[i + 1].to;
1216                 end   = entries[i].from;
1217
1218                 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1219                 /* Patch up missing kernel transfers due to ring filters */
1220                 if (len == -ENXIO && i > 0) {
1221                         end = entries[--i].from;
1222                         pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1223                         len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1224                 }
1225                 if (len <= 0)
1226                         continue;
1227
1228                 insn = 0;
1229                 for (off = 0; off < (unsigned)len; off += ilen) {
1230                         uint64_t ip = start + off;
1231
1232                         printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1233                         if (ip == end) {
1234                                 printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp,
1235                                                             &total_cycles);
1236                                 if (PRINT_FIELD(SRCCODE))
1237                                         printed += print_srccode(thread, x.cpumode, ip);
1238                                 break;
1239                         } else {
1240                                 ilen = 0;
1241                                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip,
1242                                                    dump_insn(&x, ip, buffer + off, len - off, &ilen));
1243                                 if (ilen == 0)
1244                                         break;
1245                                 if (PRINT_FIELD(SRCCODE))
1246                                         print_srccode(thread, x.cpumode, ip);
1247                                 insn++;
1248                         }
1249                 }
1250                 if (off != end - start)
1251                         printed += fprintf(fp, "\tmismatch of LBR data and executable\n");
1252         }
1253
1254         /*
1255          * Hit the branch? In this case we are already done, and the target
1256          * has not been executed yet.
1257          */
1258         if (entries[0].from == sample->ip)
1259                 goto out;
1260         if (entries[0].flags.abort)
1261                 goto out;
1262
1263         /*
1264          * Print final block upto sample
1265          *
1266          * Due to pipeline delays the LBRs might be missing a branch
1267          * or two, which can result in very large or negative blocks
1268          * between final branch and sample. When this happens just
1269          * continue walking after the last TO until we hit a branch.
1270          */
1271         start = entries[0].to;
1272         end = sample->ip;
1273         if (end < start) {
1274                 /* Missing jump. Scan 128 bytes for the next branch */
1275                 end = start + 128;
1276         }
1277         len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1278         printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1279         if (len <= 0) {
1280                 /* Print at least last IP if basic block did not work */
1281                 len = grab_bb(buffer, sample->ip, sample->ip,
1282                               machine, thread, &x.is64bit, &x.cpumode, false);
1283                 if (len <= 0)
1284                         goto out;
1285                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip,
1286                         dump_insn(&x, sample->ip, buffer, len, NULL));
1287                 if (PRINT_FIELD(SRCCODE))
1288                         print_srccode(thread, x.cpumode, sample->ip);
1289                 goto out;
1290         }
1291         for (off = 0; off <= end - start; off += ilen) {
1292                 ilen = 0;
1293                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off,
1294                                    dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1295                 if (ilen == 0)
1296                         break;
1297                 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) {
1298                         /*
1299                          * Hit a missing branch. Just stop.
1300                          */
1301                         printed += fprintf(fp, "\t... not reaching sample ...\n");
1302                         break;
1303                 }
1304                 if (PRINT_FIELD(SRCCODE))
1305                         print_srccode(thread, x.cpumode, start + off);
1306         }
1307 out:
1308         return printed;
1309 }
1310
1311 static int perf_sample__fprintf_addr(struct perf_sample *sample,
1312                                      struct thread *thread,
1313                                      struct perf_event_attr *attr, FILE *fp)
1314 {
1315         struct addr_location al;
1316         int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1317
1318         if (!sample_addr_correlates_sym(attr))
1319                 goto out;
1320
1321         thread__resolve(thread, &al, sample);
1322
1323         if (PRINT_FIELD(SYM)) {
1324                 printed += fprintf(fp, " ");
1325                 if (PRINT_FIELD(SYMOFFSET))
1326                         printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1327                 else
1328                         printed += symbol__fprintf_symname(al.sym, fp);
1329         }
1330
1331         if (PRINT_FIELD(DSO)) {
1332                 printed += fprintf(fp, " (");
1333                 printed += map__fprintf_dsoname(al.map, fp);
1334                 printed += fprintf(fp, ")");
1335         }
1336 out:
1337         return printed;
1338 }
1339
1340 static const char *resolve_branch_sym(struct perf_sample *sample,
1341                                       struct evsel *evsel,
1342                                       struct thread *thread,
1343                                       struct addr_location *al,
1344                                       struct addr_location *addr_al,
1345                                       u64 *ip)
1346 {
1347         struct perf_event_attr *attr = &evsel->core.attr;
1348         const char *name = NULL;
1349
1350         if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1351                 if (sample_addr_correlates_sym(attr)) {
1352                         if (!addr_al->thread)
1353                                 thread__resolve(thread, addr_al, sample);
1354                         if (addr_al->sym)
1355                                 name = addr_al->sym->name;
1356                         else
1357                                 *ip = sample->addr;
1358                 } else {
1359                         *ip = sample->addr;
1360                 }
1361         } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1362                 if (al->sym)
1363                         name = al->sym->name;
1364                 else
1365                         *ip = sample->ip;
1366         }
1367         return name;
1368 }
1369
1370 static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1371                                            struct evsel *evsel,
1372                                            struct thread *thread,
1373                                            struct addr_location *al,
1374                                            struct addr_location *addr_al,
1375                                            FILE *fp)
1376 {
1377         struct perf_event_attr *attr = &evsel->core.attr;
1378         size_t depth = thread_stack__depth(thread, sample->cpu);
1379         const char *name = NULL;
1380         static int spacing;
1381         int len = 0;
1382         int dlen = 0;
1383         u64 ip = 0;
1384
1385         /*
1386          * The 'return' has already been popped off the stack so the depth has
1387          * to be adjusted to match the 'call'.
1388          */
1389         if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
1390                 depth += 1;
1391
1392         name = resolve_branch_sym(sample, evsel, thread, al, addr_al, &ip);
1393
1394         if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
1395                 dlen += fprintf(fp, "(");
1396                 dlen += map__fprintf_dsoname(al->map, fp);
1397                 dlen += fprintf(fp, ")\t");
1398         }
1399
1400         if (name)
1401                 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1402         else if (ip)
1403                 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1404
1405         if (len < 0)
1406                 return len;
1407
1408         /*
1409          * Try to keep the output length from changing frequently so that the
1410          * output lines up more nicely.
1411          */
1412         if (len > spacing || (len && len < spacing - 52))
1413                 spacing = round_up(len + 4, 32);
1414
1415         if (len < spacing)
1416                 len += fprintf(fp, "%*s", spacing - len, "");
1417
1418         return len + dlen;
1419 }
1420
1421 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused,
1422                             struct thread *thread __maybe_unused,
1423                             struct machine *machine __maybe_unused)
1424 {
1425 }
1426
1427 void script_fetch_insn(struct perf_sample *sample, struct thread *thread,
1428                        struct machine *machine)
1429 {
1430         if (sample->insn_len == 0 && native_arch)
1431                 arch_fetch_insn(sample, thread, machine);
1432 }
1433
1434 static int perf_sample__fprintf_insn(struct perf_sample *sample,
1435                                      struct perf_event_attr *attr,
1436                                      struct thread *thread,
1437                                      struct machine *machine, FILE *fp)
1438 {
1439         int printed = 0;
1440
1441         script_fetch_insn(sample, thread, machine);
1442
1443         if (PRINT_FIELD(INSNLEN))
1444                 printed += fprintf(fp, " ilen: %d", sample->insn_len);
1445         if (PRINT_FIELD(INSN) && sample->insn_len) {
1446                 int i;
1447
1448                 printed += fprintf(fp, " insn:");
1449                 for (i = 0; i < sample->insn_len; i++)
1450                         printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
1451         }
1452         if (PRINT_FIELD(BRSTACKINSN))
1453                 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
1454
1455         return printed;
1456 }
1457
1458 static int perf_sample__fprintf_ipc(struct perf_sample *sample,
1459                                     struct perf_event_attr *attr, FILE *fp)
1460 {
1461         unsigned int ipc;
1462
1463         if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt)
1464                 return 0;
1465
1466         ipc = (sample->insn_cnt * 100) / sample->cyc_cnt;
1467
1468         return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ",
1469                        ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt);
1470 }
1471
1472 static int perf_sample__fprintf_bts(struct perf_sample *sample,
1473                                     struct evsel *evsel,
1474                                     struct thread *thread,
1475                                     struct addr_location *al,
1476                                     struct addr_location *addr_al,
1477                                     struct machine *machine, FILE *fp)
1478 {
1479         struct perf_event_attr *attr = &evsel->core.attr;
1480         unsigned int type = output_type(attr->type);
1481         bool print_srcline_last = false;
1482         int printed = 0;
1483
1484         if (PRINT_FIELD(CALLINDENT))
1485                 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, addr_al, fp);
1486
1487         /* print branch_from information */
1488         if (PRINT_FIELD(IP)) {
1489                 unsigned int print_opts = output[type].print_ip_opts;
1490                 struct callchain_cursor *cursor = NULL;
1491
1492                 if (symbol_conf.use_callchain && sample->callchain &&
1493                     thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1494                                               sample, NULL, NULL, scripting_max_stack) == 0)
1495                         cursor = &callchain_cursor;
1496
1497                 if (cursor == NULL) {
1498                         printed += fprintf(fp, " ");
1499                         if (print_opts & EVSEL__PRINT_SRCLINE) {
1500                                 print_srcline_last = true;
1501                                 print_opts &= ~EVSEL__PRINT_SRCLINE;
1502                         }
1503                 } else
1504                         printed += fprintf(fp, "\n");
1505
1506                 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor,
1507                                                symbol_conf.bt_stop_list, fp);
1508         }
1509
1510         /* print branch_to information */
1511         if (PRINT_FIELD(ADDR) ||
1512             ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
1513              !output[type].user_set)) {
1514                 printed += fprintf(fp, " => ");
1515                 printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1516         }
1517
1518         printed += perf_sample__fprintf_ipc(sample, attr, fp);
1519
1520         if (print_srcline_last)
1521                 printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
1522
1523         printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1524         printed += fprintf(fp, "\n");
1525         if (PRINT_FIELD(SRCCODE)) {
1526                 int ret = map__fprintf_srccode(al->map, al->addr, stdout,
1527                                          &thread->srccode_state);
1528                 if (ret) {
1529                         printed += ret;
1530                         printed += printf("\n");
1531                 }
1532         }
1533         return printed;
1534 }
1535
1536 static struct {
1537         u32 flags;
1538         const char *name;
1539 } sample_flags[] = {
1540         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1541         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1542         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1543         {PERF_IP_FLAG_BRANCH, "jmp"},
1544         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1545         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1546         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1547         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1548         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1549         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"},
1550         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1551         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1552         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1553         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMENTRY, "vmentry"},
1554         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMEXIT, "vmexit"},
1555         {0, NULL}
1556 };
1557
1558 static const char *sample_flags_to_name(u32 flags)
1559 {
1560         int i;
1561
1562         for (i = 0; sample_flags[i].name ; i++) {
1563                 if (sample_flags[i].flags == flags)
1564                         return sample_flags[i].name;
1565         }
1566
1567         return NULL;
1568 }
1569
1570 int perf_sample__sprintf_flags(u32 flags, char *str, size_t sz)
1571 {
1572         const char *chars = PERF_IP_FLAG_CHARS;
1573         const size_t n = strlen(PERF_IP_FLAG_CHARS);
1574         bool in_tx = flags & PERF_IP_FLAG_IN_TX;
1575         const char *name = NULL;
1576         size_t i, pos = 0;
1577
1578         name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX);
1579         if (name)
1580                 return snprintf(str, sz, "%-15s%4s", name, in_tx ? "(x)" : "");
1581
1582         if (flags & PERF_IP_FLAG_TRACE_BEGIN) {
1583                 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN));
1584                 if (name)
1585                         return snprintf(str, sz, "tr strt %-7s%4s", name, in_tx ? "(x)" : "");
1586         }
1587
1588         if (flags & PERF_IP_FLAG_TRACE_END) {
1589                 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END));
1590                 if (name)
1591                         return snprintf(str, sz, "tr end  %-7s%4s", name, in_tx ? "(x)" : "");
1592         }
1593
1594         for (i = 0; i < n; i++, flags >>= 1) {
1595                 if ((flags & 1) && pos < sz)
1596                         str[pos++] = chars[i];
1597         }
1598         for (; i < 32; i++, flags >>= 1) {
1599                 if ((flags & 1) && pos < sz)
1600                         str[pos++] = '?';
1601         }
1602         if (pos < sz)
1603                 str[pos] = 0;
1604
1605         return pos;
1606 }
1607
1608 static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1609 {
1610         char str[SAMPLE_FLAGS_BUF_SIZE];
1611
1612         perf_sample__sprintf_flags(flags, str, sizeof(str));
1613         return fprintf(fp, "  %-19s ", str);
1614 }
1615
1616 struct printer_data {
1617         int line_no;
1618         bool hit_nul;
1619         bool is_printable;
1620 };
1621
1622 static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1623                                       unsigned int val,
1624                                       void *extra, FILE *fp)
1625 {
1626         unsigned char ch = (unsigned char)val;
1627         struct printer_data *printer_data = extra;
1628         int printed = 0;
1629
1630         switch (op) {
1631         case BINARY_PRINT_DATA_BEGIN:
1632                 printed += fprintf(fp, "\n");
1633                 break;
1634         case BINARY_PRINT_LINE_BEGIN:
1635                 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1636                                                         "           ");
1637                 break;
1638         case BINARY_PRINT_ADDR:
1639                 printed += fprintf(fp, " %04x:", val);
1640                 break;
1641         case BINARY_PRINT_NUM_DATA:
1642                 printed += fprintf(fp, " %02x", val);
1643                 break;
1644         case BINARY_PRINT_NUM_PAD:
1645                 printed += fprintf(fp, "   ");
1646                 break;
1647         case BINARY_PRINT_SEP:
1648                 printed += fprintf(fp, "  ");
1649                 break;
1650         case BINARY_PRINT_CHAR_DATA:
1651                 if (printer_data->hit_nul && ch)
1652                         printer_data->is_printable = false;
1653
1654                 if (!isprint(ch)) {
1655                         printed += fprintf(fp, "%c", '.');
1656
1657                         if (!printer_data->is_printable)
1658                                 break;
1659
1660                         if (ch == '\0')
1661                                 printer_data->hit_nul = true;
1662                         else
1663                                 printer_data->is_printable = false;
1664                 } else {
1665                         printed += fprintf(fp, "%c", ch);
1666                 }
1667                 break;
1668         case BINARY_PRINT_CHAR_PAD:
1669                 printed += fprintf(fp, " ");
1670                 break;
1671         case BINARY_PRINT_LINE_END:
1672                 printed += fprintf(fp, "\n");
1673                 printer_data->line_no++;
1674                 break;
1675         case BINARY_PRINT_DATA_END:
1676         default:
1677                 break;
1678         }
1679
1680         return printed;
1681 }
1682
1683 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1684 {
1685         unsigned int nr_bytes = sample->raw_size;
1686         struct printer_data printer_data = {0, false, true};
1687         int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1688                                       sample__fprintf_bpf_output, &printer_data, fp);
1689
1690         if (printer_data.is_printable && printer_data.hit_nul)
1691                 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1692
1693         return printed;
1694 }
1695
1696 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1697 {
1698         if (len > 0 && len < spacing)
1699                 return fprintf(fp, "%*s", spacing - len, "");
1700
1701         return 0;
1702 }
1703
1704 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1705 {
1706         return perf_sample__fprintf_spacing(len, 34, fp);
1707 }
1708
1709 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1710 {
1711         struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1712         int len;
1713
1714         if (perf_sample__bad_synth_size(sample, *data))
1715                 return 0;
1716
1717         len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ",
1718                      data->ip, le64_to_cpu(data->payload));
1719         return len + perf_sample__fprintf_pt_spacing(len, fp);
1720 }
1721
1722 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1723 {
1724         struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1725         int len;
1726
1727         if (perf_sample__bad_synth_size(sample, *data))
1728                 return 0;
1729
1730         len = fprintf(fp, " hints: %#x extensions: %#x ",
1731                       data->hints, data->extensions);
1732         return len + perf_sample__fprintf_pt_spacing(len, fp);
1733 }
1734
1735 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1736 {
1737         struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1738         int len;
1739
1740         if (perf_sample__bad_synth_size(sample, *data))
1741                 return 0;
1742
1743         len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1744                       data->hw, data->cstate, data->subcstate);
1745         return len + perf_sample__fprintf_pt_spacing(len, fp);
1746 }
1747
1748 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1749 {
1750         struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1751         int len;
1752
1753         if (perf_sample__bad_synth_size(sample, *data))
1754                 return 0;
1755
1756         len = fprintf(fp, " IP: %u ", data->ip);
1757         return len + perf_sample__fprintf_pt_spacing(len, fp);
1758 }
1759
1760 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1761 {
1762         struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1763         int len;
1764
1765         if (perf_sample__bad_synth_size(sample, *data))
1766                 return 0;
1767
1768         len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1769                      data->deepest_cstate, data->last_cstate,
1770                      data->wake_reason);
1771         return len + perf_sample__fprintf_pt_spacing(len, fp);
1772 }
1773
1774 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1775 {
1776         struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1777         unsigned int percent, freq;
1778         int len;
1779
1780         if (perf_sample__bad_synth_size(sample, *data))
1781                 return 0;
1782
1783         freq = (le32_to_cpu(data->freq) + 500) / 1000;
1784         len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1785         if (data->max_nonturbo) {
1786                 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1787                 len += fprintf(fp, "(%3u%%) ", percent);
1788         }
1789         return len + perf_sample__fprintf_pt_spacing(len, fp);
1790 }
1791
1792 static int perf_sample__fprintf_synth_psb(struct perf_sample *sample, FILE *fp)
1793 {
1794         struct perf_synth_intel_psb *data = perf_sample__synth_ptr(sample);
1795         int len;
1796
1797         if (perf_sample__bad_synth_size(sample, *data))
1798                 return 0;
1799
1800         len = fprintf(fp, " psb offs: %#" PRIx64, data->offset);
1801         return len + perf_sample__fprintf_pt_spacing(len, fp);
1802 }
1803
1804 static int perf_sample__fprintf_synth(struct perf_sample *sample,
1805                                       struct evsel *evsel, FILE *fp)
1806 {
1807         switch (evsel->core.attr.config) {
1808         case PERF_SYNTH_INTEL_PTWRITE:
1809                 return perf_sample__fprintf_synth_ptwrite(sample, fp);
1810         case PERF_SYNTH_INTEL_MWAIT:
1811                 return perf_sample__fprintf_synth_mwait(sample, fp);
1812         case PERF_SYNTH_INTEL_PWRE:
1813                 return perf_sample__fprintf_synth_pwre(sample, fp);
1814         case PERF_SYNTH_INTEL_EXSTOP:
1815                 return perf_sample__fprintf_synth_exstop(sample, fp);
1816         case PERF_SYNTH_INTEL_PWRX:
1817                 return perf_sample__fprintf_synth_pwrx(sample, fp);
1818         case PERF_SYNTH_INTEL_CBR:
1819                 return perf_sample__fprintf_synth_cbr(sample, fp);
1820         case PERF_SYNTH_INTEL_PSB:
1821                 return perf_sample__fprintf_synth_psb(sample, fp);
1822         default:
1823                 break;
1824         }
1825
1826         return 0;
1827 }
1828
1829 static int evlist__max_name_len(struct evlist *evlist)
1830 {
1831         struct evsel *evsel;
1832         int max = 0;
1833
1834         evlist__for_each_entry(evlist, evsel) {
1835                 int len = strlen(evsel__name(evsel));
1836
1837                 max = MAX(len, max);
1838         }
1839
1840         return max;
1841 }
1842
1843 static int data_src__fprintf(u64 data_src, FILE *fp)
1844 {
1845         struct mem_info mi = { .data_src.val = data_src };
1846         char decode[100];
1847         char out[100];
1848         static int maxlen;
1849         int len;
1850
1851         perf_script__meminfo_scnprintf(decode, 100, &mi);
1852
1853         len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
1854         if (maxlen < len)
1855                 maxlen = len;
1856
1857         return fprintf(fp, "%-*s", maxlen, out);
1858 }
1859
1860 struct metric_ctx {
1861         struct perf_sample      *sample;
1862         struct thread           *thread;
1863         struct evsel    *evsel;
1864         FILE                    *fp;
1865 };
1866
1867 static void script_print_metric(struct perf_stat_config *config __maybe_unused,
1868                                 void *ctx, const char *color,
1869                                 const char *fmt,
1870                                 const char *unit, double val)
1871 {
1872         struct metric_ctx *mctx = ctx;
1873
1874         if (!fmt)
1875                 return;
1876         perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
1877                                    PERF_RECORD_SAMPLE, mctx->fp);
1878         fputs("\tmetric: ", mctx->fp);
1879         if (color)
1880                 color_fprintf(mctx->fp, color, fmt, val);
1881         else
1882                 printf(fmt, val);
1883         fprintf(mctx->fp, " %s\n", unit);
1884 }
1885
1886 static void script_new_line(struct perf_stat_config *config __maybe_unused,
1887                             void *ctx)
1888 {
1889         struct metric_ctx *mctx = ctx;
1890
1891         perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
1892                                    PERF_RECORD_SAMPLE, mctx->fp);
1893         fputs("\tmetric: ", mctx->fp);
1894 }
1895
1896 static void perf_sample__fprint_metric(struct perf_script *script,
1897                                        struct thread *thread,
1898                                        struct evsel *evsel,
1899                                        struct perf_sample *sample,
1900                                        FILE *fp)
1901 {
1902         struct perf_stat_output_ctx ctx = {
1903                 .print_metric = script_print_metric,
1904                 .new_line = script_new_line,
1905                 .ctx = &(struct metric_ctx) {
1906                                 .sample = sample,
1907                                 .thread = thread,
1908                                 .evsel  = evsel,
1909                                 .fp     = fp,
1910                          },
1911                 .force_header = false,
1912         };
1913         struct evsel *ev2;
1914         u64 val;
1915
1916         if (!evsel->stats)
1917                 evlist__alloc_stats(script->session->evlist, false);
1918         if (evsel_script(evsel->leader)->gnum++ == 0)
1919                 perf_stat__reset_shadow_stats();
1920         val = sample->period * evsel->scale;
1921         perf_stat__update_shadow_stats(evsel,
1922                                        val,
1923                                        sample->cpu,
1924                                        &rt_stat);
1925         evsel_script(evsel)->val = val;
1926         if (evsel_script(evsel->leader)->gnum == evsel->leader->core.nr_members) {
1927                 for_each_group_member (ev2, evsel->leader) {
1928                         perf_stat__print_shadow_stats(&stat_config, ev2,
1929                                                       evsel_script(ev2)->val,
1930                                                       sample->cpu,
1931                                                       &ctx,
1932                                                       NULL,
1933                                                       &rt_stat);
1934                 }
1935                 evsel_script(evsel->leader)->gnum = 0;
1936         }
1937 }
1938
1939 static bool show_event(struct perf_sample *sample,
1940                        struct evsel *evsel,
1941                        struct thread *thread,
1942                        struct addr_location *al,
1943                        struct addr_location *addr_al)
1944 {
1945         int depth = thread_stack__depth(thread, sample->cpu);
1946
1947         if (!symbol_conf.graph_function)
1948                 return true;
1949
1950         if (thread->filter) {
1951                 if (depth <= thread->filter_entry_depth) {
1952                         thread->filter = false;
1953                         return false;
1954                 }
1955                 return true;
1956         } else {
1957                 const char *s = symbol_conf.graph_function;
1958                 u64 ip;
1959                 const char *name = resolve_branch_sym(sample, evsel, thread, al, addr_al,
1960                                 &ip);
1961                 unsigned nlen;
1962
1963                 if (!name)
1964                         return false;
1965                 nlen = strlen(name);
1966                 while (*s) {
1967                         unsigned len = strcspn(s, ",");
1968                         if (nlen == len && !strncmp(name, s, len)) {
1969                                 thread->filter = true;
1970                                 thread->filter_entry_depth = depth;
1971                                 return true;
1972                         }
1973                         s += len;
1974                         if (*s == ',')
1975                                 s++;
1976                 }
1977                 return false;
1978         }
1979 }
1980
1981 static void process_event(struct perf_script *script,
1982                           struct perf_sample *sample, struct evsel *evsel,
1983                           struct addr_location *al,
1984                           struct addr_location *addr_al,
1985                           struct machine *machine)
1986 {
1987         struct thread *thread = al->thread;
1988         struct perf_event_attr *attr = &evsel->core.attr;
1989         unsigned int type = output_type(attr->type);
1990         struct evsel_script *es = evsel->priv;
1991         FILE *fp = es->fp;
1992         char str[PAGE_SIZE_NAME_LEN];
1993
1994         if (output[type].fields == 0)
1995                 return;
1996
1997         ++es->samples;
1998
1999         perf_sample__fprintf_start(script, sample, thread, evsel,
2000                                    PERF_RECORD_SAMPLE, fp);
2001
2002         if (PRINT_FIELD(PERIOD))
2003                 fprintf(fp, "%10" PRIu64 " ", sample->period);
2004
2005         if (PRINT_FIELD(EVNAME)) {
2006                 const char *evname = evsel__name(evsel);
2007
2008                 if (!script->name_width)
2009                         script->name_width = evlist__max_name_len(script->session->evlist);
2010
2011                 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
2012         }
2013
2014         if (print_flags)
2015                 perf_sample__fprintf_flags(sample->flags, fp);
2016
2017         if (is_bts_event(attr)) {
2018                 perf_sample__fprintf_bts(sample, evsel, thread, al, addr_al, machine, fp);
2019                 return;
2020         }
2021
2022         if (PRINT_FIELD(TRACE) && sample->raw_data) {
2023                 event_format__fprintf(evsel->tp_format, sample->cpu,
2024                                       sample->raw_data, sample->raw_size, fp);
2025         }
2026
2027         if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
2028                 perf_sample__fprintf_synth(sample, evsel, fp);
2029
2030         if (PRINT_FIELD(ADDR))
2031                 perf_sample__fprintf_addr(sample, thread, attr, fp);
2032
2033         if (PRINT_FIELD(DATA_SRC))
2034                 data_src__fprintf(sample->data_src, fp);
2035
2036         if (PRINT_FIELD(WEIGHT))
2037                 fprintf(fp, "%16" PRIu64, sample->weight);
2038
2039         if (PRINT_FIELD(IP)) {
2040                 struct callchain_cursor *cursor = NULL;
2041
2042                 if (script->stitch_lbr)
2043                         al->thread->lbr_stitch_enable = true;
2044
2045                 if (symbol_conf.use_callchain && sample->callchain &&
2046                     thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
2047                                               sample, NULL, NULL, scripting_max_stack) == 0)
2048                         cursor = &callchain_cursor;
2049
2050                 fputc(cursor ? '\n' : ' ', fp);
2051                 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor,
2052                                     symbol_conf.bt_stop_list, fp);
2053         }
2054
2055         if (PRINT_FIELD(IREGS))
2056                 perf_sample__fprintf_iregs(sample, attr, fp);
2057
2058         if (PRINT_FIELD(UREGS))
2059                 perf_sample__fprintf_uregs(sample, attr, fp);
2060
2061         if (PRINT_FIELD(BRSTACK))
2062                 perf_sample__fprintf_brstack(sample, thread, attr, fp);
2063         else if (PRINT_FIELD(BRSTACKSYM))
2064                 perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
2065         else if (PRINT_FIELD(BRSTACKOFF))
2066                 perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
2067
2068         if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
2069                 perf_sample__fprintf_bpf_output(sample, fp);
2070         perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
2071
2072         if (PRINT_FIELD(PHYS_ADDR))
2073                 fprintf(fp, "%16" PRIx64, sample->phys_addr);
2074
2075         if (PRINT_FIELD(DATA_PAGE_SIZE))
2076                 fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str));
2077
2078         if (PRINT_FIELD(CODE_PAGE_SIZE))
2079                 fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str));
2080
2081         perf_sample__fprintf_ipc(sample, attr, fp);
2082
2083         fprintf(fp, "\n");
2084
2085         if (PRINT_FIELD(SRCCODE)) {
2086                 if (map__fprintf_srccode(al->map, al->addr, stdout,
2087                                          &thread->srccode_state))
2088                         printf("\n");
2089         }
2090
2091         if (PRINT_FIELD(METRIC))
2092                 perf_sample__fprint_metric(script, thread, evsel, sample, fp);
2093
2094         if (verbose)
2095                 fflush(fp);
2096 }
2097
2098 static struct scripting_ops     *scripting_ops;
2099
2100 static void __process_stat(struct evsel *counter, u64 tstamp)
2101 {
2102         int nthreads = perf_thread_map__nr(counter->core.threads);
2103         int ncpus = evsel__nr_cpus(counter);
2104         int cpu, thread;
2105         static int header_printed;
2106
2107         if (counter->core.system_wide)
2108                 nthreads = 1;
2109
2110         if (!header_printed) {
2111                 printf("%3s %8s %15s %15s %15s %15s %s\n",
2112                        "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
2113                 header_printed = 1;
2114         }
2115
2116         for (thread = 0; thread < nthreads; thread++) {
2117                 for (cpu = 0; cpu < ncpus; cpu++) {
2118                         struct perf_counts_values *counts;
2119
2120                         counts = perf_counts(counter->counts, cpu, thread);
2121
2122                         printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
2123                                 counter->core.cpus->map[cpu],
2124                                 perf_thread_map__pid(counter->core.threads, thread),
2125                                 counts->val,
2126                                 counts->ena,
2127                                 counts->run,
2128                                 tstamp,
2129                                 evsel__name(counter));
2130                 }
2131         }
2132 }
2133
2134 static void process_stat(struct evsel *counter, u64 tstamp)
2135 {
2136         if (scripting_ops && scripting_ops->process_stat)
2137                 scripting_ops->process_stat(&stat_config, counter, tstamp);
2138         else
2139                 __process_stat(counter, tstamp);
2140 }
2141
2142 static void process_stat_interval(u64 tstamp)
2143 {
2144         if (scripting_ops && scripting_ops->process_stat_interval)
2145                 scripting_ops->process_stat_interval(tstamp);
2146 }
2147
2148 static void setup_scripting(void)
2149 {
2150         setup_perl_scripting();
2151         setup_python_scripting();
2152 }
2153
2154 static int flush_scripting(void)
2155 {
2156         return scripting_ops ? scripting_ops->flush_script() : 0;
2157 }
2158
2159 static int cleanup_scripting(void)
2160 {
2161         pr_debug("\nperf script stopped\n");
2162
2163         return scripting_ops ? scripting_ops->stop_script() : 0;
2164 }
2165
2166 static bool filter_cpu(struct perf_sample *sample)
2167 {
2168         if (cpu_list && sample->cpu != (u32)-1)
2169                 return !test_bit(sample->cpu, cpu_bitmap);
2170         return false;
2171 }
2172
2173 static int process_sample_event(struct perf_tool *tool,
2174                                 union perf_event *event,
2175                                 struct perf_sample *sample,
2176                                 struct evsel *evsel,
2177                                 struct machine *machine)
2178 {
2179         struct perf_script *scr = container_of(tool, struct perf_script, tool);
2180         struct addr_location al;
2181         struct addr_location addr_al;
2182         int ret = 0;
2183
2184         /* Set thread to NULL to indicate addr_al and al are not initialized */
2185         addr_al.thread = NULL;
2186         al.thread = NULL;
2187
2188         ret = dlfilter__filter_event_early(dlfilter, event, sample, evsel, machine, &al, &addr_al);
2189         if (ret) {
2190                 if (ret > 0)
2191                         ret = 0;
2192                 goto out_put;
2193         }
2194
2195         if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
2196                                           sample->time)) {
2197                 goto out_put;
2198         }
2199
2200         if (debug_mode) {
2201                 if (sample->time < last_timestamp) {
2202                         pr_err("Samples misordered, previous: %" PRIu64
2203                                 " this: %" PRIu64 "\n", last_timestamp,
2204                                 sample->time);
2205                         nr_unordered++;
2206                 }
2207                 last_timestamp = sample->time;
2208                 goto out_put;
2209         }
2210
2211         if (filter_cpu(sample))
2212                 goto out_put;
2213
2214         if (machine__resolve(machine, &al, sample) < 0) {
2215                 pr_err("problem processing %d event, skipping it.\n",
2216                        event->header.type);
2217                 ret = -1;
2218                 goto out_put;
2219         }
2220
2221         if (al.filtered)
2222                 goto out_put;
2223
2224         if (!show_event(sample, evsel, al.thread, &al, &addr_al))
2225                 goto out_put;
2226
2227         if (evswitch__discard(&scr->evswitch, evsel))
2228                 goto out_put;
2229
2230         ret = dlfilter__filter_event(dlfilter, event, sample, evsel, machine, &al, &addr_al);
2231         if (ret) {
2232                 if (ret > 0)
2233                         ret = 0;
2234                 goto out_put;
2235         }
2236
2237         if (scripting_ops) {
2238                 struct addr_location *addr_al_ptr = NULL;
2239
2240                 if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
2241                     sample_addr_correlates_sym(&evsel->core.attr)) {
2242                         if (!addr_al.thread)
2243                                 thread__resolve(al.thread, &addr_al, sample);
2244                         addr_al_ptr = &addr_al;
2245                 }
2246                 scripting_ops->process_event(event, sample, evsel, &al, addr_al_ptr);
2247         } else {
2248                 process_event(scr, sample, evsel, &al, &addr_al, machine);
2249         }
2250
2251 out_put:
2252         if (al.thread)
2253                 addr_location__put(&al);
2254         return ret;
2255 }
2256
2257 static int process_attr(struct perf_tool *tool, union perf_event *event,
2258                         struct evlist **pevlist)
2259 {
2260         struct perf_script *scr = container_of(tool, struct perf_script, tool);
2261         struct evlist *evlist;
2262         struct evsel *evsel, *pos;
2263         u64 sample_type;
2264         int err;
2265         static struct evsel_script *es;
2266
2267         err = perf_event__process_attr(tool, event, pevlist);
2268         if (err)
2269                 return err;
2270
2271         evlist = *pevlist;
2272         evsel = evlist__last(*pevlist);
2273
2274         if (!evsel->priv) {
2275                 if (scr->per_event_dump) {
2276                         evsel->priv = evsel_script__new(evsel, scr->session->data);
2277                 } else {
2278                         es = zalloc(sizeof(*es));
2279                         if (!es)
2280                                 return -ENOMEM;
2281                         es->fp = stdout;
2282                         evsel->priv = es;
2283                 }
2284         }
2285
2286         if (evsel->core.attr.type >= PERF_TYPE_MAX &&
2287             evsel->core.attr.type != PERF_TYPE_SYNTH)
2288                 return 0;
2289
2290         evlist__for_each_entry(evlist, pos) {
2291                 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel)
2292                         return 0;
2293         }
2294
2295         if (evsel->core.attr.sample_type) {
2296                 err = evsel__check_attr(evsel, scr->session);
2297                 if (err)
2298                         return err;
2299         }
2300
2301         /*
2302          * Check if we need to enable callchains based
2303          * on events sample_type.
2304          */
2305         sample_type = evlist__combined_sample_type(evlist);
2306         callchain_param_setup(sample_type);
2307
2308         /* Enable fields for callchain entries */
2309         if (symbol_conf.use_callchain &&
2310             (sample_type & PERF_SAMPLE_CALLCHAIN ||
2311              sample_type & PERF_SAMPLE_BRANCH_STACK ||
2312              (sample_type & PERF_SAMPLE_REGS_USER &&
2313               sample_type & PERF_SAMPLE_STACK_USER))) {
2314                 int type = output_type(evsel->core.attr.type);
2315
2316                 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP))
2317                         output[type].fields |= PERF_OUTPUT_IP;
2318                 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM))
2319                         output[type].fields |= PERF_OUTPUT_SYM;
2320         }
2321         set_print_ip_opts(&evsel->core.attr);
2322         return 0;
2323 }
2324
2325 static int print_event_with_time(struct perf_tool *tool,
2326                                  union perf_event *event,
2327                                  struct perf_sample *sample,
2328                                  struct machine *machine,
2329                                  pid_t pid, pid_t tid, u64 timestamp)
2330 {
2331         struct perf_script *script = container_of(tool, struct perf_script, tool);
2332         struct perf_session *session = script->session;
2333         struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id);
2334         struct thread *thread = NULL;
2335
2336         if (evsel && !evsel->core.attr.sample_id_all) {
2337                 sample->cpu = 0;
2338                 sample->time = timestamp;
2339                 sample->pid = pid;
2340                 sample->tid = tid;
2341         }
2342
2343         if (filter_cpu(sample))
2344                 return 0;
2345
2346         if (tid != -1)
2347                 thread = machine__findnew_thread(machine, pid, tid);
2348
2349         if (evsel) {
2350                 perf_sample__fprintf_start(script, sample, thread, evsel,
2351                                            event->header.type, stdout);
2352         }
2353
2354         perf_event__fprintf(event, machine, stdout);
2355
2356         thread__put(thread);
2357
2358         return 0;
2359 }
2360
2361 static int print_event(struct perf_tool *tool, union perf_event *event,
2362                        struct perf_sample *sample, struct machine *machine,
2363                        pid_t pid, pid_t tid)
2364 {
2365         return print_event_with_time(tool, event, sample, machine, pid, tid, 0);
2366 }
2367
2368 static int process_comm_event(struct perf_tool *tool,
2369                               union perf_event *event,
2370                               struct perf_sample *sample,
2371                               struct machine *machine)
2372 {
2373         if (perf_event__process_comm(tool, event, sample, machine) < 0)
2374                 return -1;
2375
2376         return print_event(tool, event, sample, machine, event->comm.pid,
2377                            event->comm.tid);
2378 }
2379
2380 static int process_namespaces_event(struct perf_tool *tool,
2381                                     union perf_event *event,
2382                                     struct perf_sample *sample,
2383                                     struct machine *machine)
2384 {
2385         if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
2386                 return -1;
2387
2388         return print_event(tool, event, sample, machine, event->namespaces.pid,
2389                            event->namespaces.tid);
2390 }
2391
2392 static int process_cgroup_event(struct perf_tool *tool,
2393                                 union perf_event *event,
2394                                 struct perf_sample *sample,
2395                                 struct machine *machine)
2396 {
2397         if (perf_event__process_cgroup(tool, event, sample, machine) < 0)
2398                 return -1;
2399
2400         return print_event(tool, event, sample, machine, sample->pid,
2401                             sample->tid);
2402 }
2403
2404 static int process_fork_event(struct perf_tool *tool,
2405                               union perf_event *event,
2406                               struct perf_sample *sample,
2407                               struct machine *machine)
2408 {
2409         if (perf_event__process_fork(tool, event, sample, machine) < 0)
2410                 return -1;
2411
2412         return print_event_with_time(tool, event, sample, machine,
2413                                      event->fork.pid, event->fork.tid,
2414                                      event->fork.time);
2415 }
2416 static int process_exit_event(struct perf_tool *tool,
2417                               union perf_event *event,
2418                               struct perf_sample *sample,
2419                               struct machine *machine)
2420 {
2421         /* Print before 'exit' deletes anything */
2422         if (print_event_with_time(tool, event, sample, machine, event->fork.pid,
2423                                   event->fork.tid, event->fork.time))
2424                 return -1;
2425
2426         return perf_event__process_exit(tool, event, sample, machine);
2427 }
2428
2429 static int process_mmap_event(struct perf_tool *tool,
2430                               union perf_event *event,
2431                               struct perf_sample *sample,
2432                               struct machine *machine)
2433 {
2434         if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2435                 return -1;
2436
2437         return print_event(tool, event, sample, machine, event->mmap.pid,
2438                            event->mmap.tid);
2439 }
2440
2441 static int process_mmap2_event(struct perf_tool *tool,
2442                               union perf_event *event,
2443                               struct perf_sample *sample,
2444                               struct machine *machine)
2445 {
2446         if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2447                 return -1;
2448
2449         return print_event(tool, event, sample, machine, event->mmap2.pid,
2450                            event->mmap2.tid);
2451 }
2452
2453 static int process_switch_event(struct perf_tool *tool,
2454                                 union perf_event *event,
2455                                 struct perf_sample *sample,
2456                                 struct machine *machine)
2457 {
2458         struct perf_script *script = container_of(tool, struct perf_script, tool);
2459
2460         if (perf_event__process_switch(tool, event, sample, machine) < 0)
2461                 return -1;
2462
2463         if (scripting_ops && scripting_ops->process_switch)
2464                 scripting_ops->process_switch(event, sample, machine);
2465
2466         if (!script->show_switch_events)
2467                 return 0;
2468
2469         return print_event(tool, event, sample, machine, sample->pid,
2470                            sample->tid);
2471 }
2472
2473 static int process_auxtrace_error(struct perf_session *session,
2474                                   union perf_event *event)
2475 {
2476         if (scripting_ops && scripting_ops->process_auxtrace_error) {
2477                 scripting_ops->process_auxtrace_error(session, event);
2478                 return 0;
2479         }
2480
2481         return perf_event__process_auxtrace_error(session, event);
2482 }
2483
2484 static int
2485 process_lost_event(struct perf_tool *tool,
2486                    union perf_event *event,
2487                    struct perf_sample *sample,
2488                    struct machine *machine)
2489 {
2490         return print_event(tool, event, sample, machine, sample->pid,
2491                            sample->tid);
2492 }
2493
2494 static int
2495 process_finished_round_event(struct perf_tool *tool __maybe_unused,
2496                              union perf_event *event,
2497                              struct ordered_events *oe __maybe_unused)
2498
2499 {
2500         perf_event__fprintf(event, NULL, stdout);
2501         return 0;
2502 }
2503
2504 static int
2505 process_bpf_events(struct perf_tool *tool __maybe_unused,
2506                    union perf_event *event,
2507                    struct perf_sample *sample,
2508                    struct machine *machine)
2509 {
2510         if (machine__process_ksymbol(machine, event, sample) < 0)
2511                 return -1;
2512
2513         return print_event(tool, event, sample, machine, sample->pid,
2514                            sample->tid);
2515 }
2516
2517 static int process_text_poke_events(struct perf_tool *tool,
2518                                     union perf_event *event,
2519                                     struct perf_sample *sample,
2520                                     struct machine *machine)
2521 {
2522         if (perf_event__process_text_poke(tool, event, sample, machine) < 0)
2523                 return -1;
2524
2525         return print_event(tool, event, sample, machine, sample->pid,
2526                            sample->tid);
2527 }
2528
2529 static void sig_handler(int sig __maybe_unused)
2530 {
2531         session_done = 1;
2532 }
2533
2534 static void perf_script__fclose_per_event_dump(struct perf_script *script)
2535 {
2536         struct evlist *evlist = script->session->evlist;
2537         struct evsel *evsel;
2538
2539         evlist__for_each_entry(evlist, evsel) {
2540                 if (!evsel->priv)
2541                         break;
2542                 evsel_script__delete(evsel->priv);
2543                 evsel->priv = NULL;
2544         }
2545 }
2546
2547 static int perf_script__fopen_per_event_dump(struct perf_script *script)
2548 {
2549         struct evsel *evsel;
2550
2551         evlist__for_each_entry(script->session->evlist, evsel) {
2552                 /*
2553                  * Already setup? I.e. we may be called twice in cases like
2554                  * Intel PT, one for the intel_pt// and dummy events, then
2555                  * for the evsels synthesized from the auxtrace info.
2556                  *
2557                  * Ses perf_script__process_auxtrace_info.
2558                  */
2559                 if (evsel->priv != NULL)
2560                         continue;
2561
2562                 evsel->priv = evsel_script__new(evsel, script->session->data);
2563                 if (evsel->priv == NULL)
2564                         goto out_err_fclose;
2565         }
2566
2567         return 0;
2568
2569 out_err_fclose:
2570         perf_script__fclose_per_event_dump(script);
2571         return -1;
2572 }
2573
2574 static int perf_script__setup_per_event_dump(struct perf_script *script)
2575 {
2576         struct evsel *evsel;
2577         static struct evsel_script es_stdout;
2578
2579         if (script->per_event_dump)
2580                 return perf_script__fopen_per_event_dump(script);
2581
2582         es_stdout.fp = stdout;
2583
2584         evlist__for_each_entry(script->session->evlist, evsel)
2585                 evsel->priv = &es_stdout;
2586
2587         return 0;
2588 }
2589
2590 static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2591 {
2592         struct evsel *evsel;
2593
2594         evlist__for_each_entry(script->session->evlist, evsel) {
2595                 struct evsel_script *es = evsel->priv;
2596
2597                 evsel_script__fprintf(es, stdout);
2598                 evsel_script__delete(es);
2599                 evsel->priv = NULL;
2600         }
2601 }
2602
2603 static int __cmd_script(struct perf_script *script)
2604 {
2605         int ret;
2606
2607         signal(SIGINT, sig_handler);
2608
2609         perf_stat__init_shadow_stats();
2610
2611         /* override event processing functions */
2612         if (script->show_task_events) {
2613                 script->tool.comm = process_comm_event;
2614                 script->tool.fork = process_fork_event;
2615                 script->tool.exit = process_exit_event;
2616         }
2617         if (script->show_mmap_events) {
2618                 script->tool.mmap = process_mmap_event;
2619                 script->tool.mmap2 = process_mmap2_event;
2620         }
2621         if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch))
2622                 script->tool.context_switch = process_switch_event;
2623         if (scripting_ops && scripting_ops->process_auxtrace_error)
2624                 script->tool.auxtrace_error = process_auxtrace_error;
2625         if (script->show_namespace_events)
2626                 script->tool.namespaces = process_namespaces_event;
2627         if (script->show_cgroup_events)
2628                 script->tool.cgroup = process_cgroup_event;
2629         if (script->show_lost_events)
2630                 script->tool.lost = process_lost_event;
2631         if (script->show_round_events) {
2632                 script->tool.ordered_events = false;
2633                 script->tool.finished_round = process_finished_round_event;
2634         }
2635         if (script->show_bpf_events) {
2636                 script->tool.ksymbol = process_bpf_events;
2637                 script->tool.bpf     = process_bpf_events;
2638         }
2639         if (script->show_text_poke_events) {
2640                 script->tool.ksymbol   = process_bpf_events;
2641                 script->tool.text_poke = process_text_poke_events;
2642         }
2643
2644         if (perf_script__setup_per_event_dump(script)) {
2645                 pr_err("Couldn't create the per event dump files\n");
2646                 return -1;
2647         }
2648
2649         ret = perf_session__process_events(script->session);
2650
2651         if (script->per_event_dump)
2652                 perf_script__exit_per_event_dump_stats(script);
2653
2654         if (debug_mode)
2655                 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2656
2657         return ret;
2658 }
2659
2660 struct script_spec {
2661         struct list_head        node;
2662         struct scripting_ops    *ops;
2663         char                    spec[];
2664 };
2665
2666 static LIST_HEAD(script_specs);
2667
2668 static struct script_spec *script_spec__new(const char *spec,
2669                                             struct scripting_ops *ops)
2670 {
2671         struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2672
2673         if (s != NULL) {
2674                 strcpy(s->spec, spec);
2675                 s->ops = ops;
2676         }
2677
2678         return s;
2679 }
2680
2681 static void script_spec__add(struct script_spec *s)
2682 {
2683         list_add_tail(&s->node, &script_specs);
2684 }
2685
2686 static struct script_spec *script_spec__find(const char *spec)
2687 {
2688         struct script_spec *s;
2689
2690         list_for_each_entry(s, &script_specs, node)
2691                 if (strcasecmp(s->spec, spec) == 0)
2692                         return s;
2693         return NULL;
2694 }
2695
2696 int script_spec_register(const char *spec, struct scripting_ops *ops)
2697 {
2698         struct script_spec *s;
2699
2700         s = script_spec__find(spec);
2701         if (s)
2702                 return -1;
2703
2704         s = script_spec__new(spec, ops);
2705         if (!s)
2706                 return -1;
2707         else
2708                 script_spec__add(s);
2709
2710         return 0;
2711 }
2712
2713 static struct scripting_ops *script_spec__lookup(const char *spec)
2714 {
2715         struct script_spec *s = script_spec__find(spec);
2716         if (!s)
2717                 return NULL;
2718
2719         return s->ops;
2720 }
2721
2722 static void list_available_languages(void)
2723 {
2724         struct script_spec *s;
2725
2726         fprintf(stderr, "\n");
2727         fprintf(stderr, "Scripting language extensions (used in "
2728                 "perf script -s [spec:]script.[spec]):\n\n");
2729
2730         list_for_each_entry(s, &script_specs, node)
2731                 fprintf(stderr, "  %-42s [%s]\n", s->spec, s->ops->name);
2732
2733         fprintf(stderr, "\n");
2734 }
2735
2736 /* Find script file relative to current directory or exec path */
2737 static char *find_script(const char *script)
2738 {
2739         char path[PATH_MAX];
2740
2741         if (!scripting_ops) {
2742                 const char *ext = strrchr(script, '.');
2743
2744                 if (!ext)
2745                         return NULL;
2746
2747                 scripting_ops = script_spec__lookup(++ext);
2748                 if (!scripting_ops)
2749                         return NULL;
2750         }
2751
2752         if (access(script, R_OK)) {
2753                 char *exec_path = get_argv_exec_path();
2754
2755                 if (!exec_path)
2756                         return NULL;
2757                 snprintf(path, sizeof(path), "%s/scripts/%s/%s",
2758                          exec_path, scripting_ops->dirname, script);
2759                 free(exec_path);
2760                 script = path;
2761                 if (access(script, R_OK))
2762                         return NULL;
2763         }
2764         return strdup(script);
2765 }
2766
2767 static int parse_scriptname(const struct option *opt __maybe_unused,
2768                             const char *str, int unset __maybe_unused)
2769 {
2770         char spec[PATH_MAX];
2771         const char *script, *ext;
2772         int len;
2773
2774         if (strcmp(str, "lang") == 0) {
2775                 list_available_languages();
2776                 exit(0);
2777         }
2778
2779         script = strchr(str, ':');
2780         if (script) {
2781                 len = script - str;
2782                 if (len >= PATH_MAX) {
2783                         fprintf(stderr, "invalid language specifier");
2784                         return -1;
2785                 }
2786                 strncpy(spec, str, len);
2787                 spec[len] = '\0';
2788                 scripting_ops = script_spec__lookup(spec);
2789                 if (!scripting_ops) {
2790                         fprintf(stderr, "invalid language specifier");
2791                         return -1;
2792                 }
2793                 script++;
2794         } else {
2795                 script = str;
2796                 ext = strrchr(script, '.');
2797                 if (!ext) {
2798                         fprintf(stderr, "invalid script extension");
2799                         return -1;
2800                 }
2801                 scripting_ops = script_spec__lookup(++ext);
2802                 if (!scripting_ops) {
2803                         fprintf(stderr, "invalid script extension");
2804                         return -1;
2805                 }
2806         }
2807
2808         script_name = find_script(script);
2809         if (!script_name)
2810                 script_name = strdup(script);
2811
2812         return 0;
2813 }
2814
2815 static int parse_output_fields(const struct option *opt __maybe_unused,
2816                             const char *arg, int unset __maybe_unused)
2817 {
2818         char *tok, *strtok_saveptr = NULL;
2819         int i, imax = ARRAY_SIZE(all_output_options);
2820         int j;
2821         int rc = 0;
2822         char *str = strdup(arg);
2823         int type = -1;
2824         enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
2825
2826         if (!str)
2827                 return -ENOMEM;
2828
2829         /* first word can state for which event type the user is specifying
2830          * the fields. If no type exists, the specified fields apply to all
2831          * event types found in the file minus the invalid fields for a type.
2832          */
2833         tok = strchr(str, ':');
2834         if (tok) {
2835                 *tok = '\0';
2836                 tok++;
2837                 if (!strcmp(str, "hw"))
2838                         type = PERF_TYPE_HARDWARE;
2839                 else if (!strcmp(str, "sw"))
2840                         type = PERF_TYPE_SOFTWARE;
2841                 else if (!strcmp(str, "trace"))
2842                         type = PERF_TYPE_TRACEPOINT;
2843                 else if (!strcmp(str, "raw"))
2844                         type = PERF_TYPE_RAW;
2845                 else if (!strcmp(str, "break"))
2846                         type = PERF_TYPE_BREAKPOINT;
2847                 else if (!strcmp(str, "synth"))
2848                         type = OUTPUT_TYPE_SYNTH;
2849                 else {
2850                         fprintf(stderr, "Invalid event type in field string.\n");
2851                         rc = -EINVAL;
2852                         goto out;
2853                 }
2854
2855                 if (output[type].user_set)
2856                         pr_warning("Overriding previous field request for %s events.\n",
2857                                    event_type(type));
2858
2859                 /* Don't override defaults for +- */
2860                 if (strchr(tok, '+') || strchr(tok, '-'))
2861                         goto parse;
2862
2863                 output[type].fields = 0;
2864                 output[type].user_set = true;
2865                 output[type].wildcard_set = false;
2866
2867         } else {
2868                 tok = str;
2869                 if (strlen(str) == 0) {
2870                         fprintf(stderr,
2871                                 "Cannot set fields to 'none' for all event types.\n");
2872                         rc = -EINVAL;
2873                         goto out;
2874                 }
2875
2876                 /* Don't override defaults for +- */
2877                 if (strchr(str, '+') || strchr(str, '-'))
2878                         goto parse;
2879
2880                 if (output_set_by_user())
2881                         pr_warning("Overriding previous field request for all events.\n");
2882
2883                 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2884                         output[j].fields = 0;
2885                         output[j].user_set = true;
2886                         output[j].wildcard_set = true;
2887                 }
2888         }
2889
2890 parse:
2891         for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
2892                 if (*tok == '+') {
2893                         if (change == SET)
2894                                 goto out_badmix;
2895                         change = ADD;
2896                         tok++;
2897                 } else if (*tok == '-') {
2898                         if (change == SET)
2899                                 goto out_badmix;
2900                         change = REMOVE;
2901                         tok++;
2902                 } else {
2903                         if (change != SET && change != DEFAULT)
2904                                 goto out_badmix;
2905                         change = SET;
2906                 }
2907
2908                 for (i = 0; i < imax; ++i) {
2909                         if (strcmp(tok, all_output_options[i].str) == 0)
2910                                 break;
2911                 }
2912                 if (i == imax && strcmp(tok, "flags") == 0) {
2913                         print_flags = change != REMOVE;
2914                         continue;
2915                 }
2916                 if (i == imax) {
2917                         fprintf(stderr, "Invalid field requested.\n");
2918                         rc = -EINVAL;
2919                         goto out;
2920                 }
2921
2922                 if (type == -1) {
2923                         /* add user option to all events types for
2924                          * which it is valid
2925                          */
2926                         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2927                                 if (output[j].invalid_fields & all_output_options[i].field) {
2928                                         pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
2929                                                    all_output_options[i].str, event_type(j));
2930                                 } else {
2931                                         if (change == REMOVE) {
2932                                                 output[j].fields &= ~all_output_options[i].field;
2933                                                 output[j].user_set_fields &= ~all_output_options[i].field;
2934                                                 output[j].user_unset_fields |= all_output_options[i].field;
2935                                         } else {
2936                                                 output[j].fields |= all_output_options[i].field;
2937                                                 output[j].user_set_fields |= all_output_options[i].field;
2938                                                 output[j].user_unset_fields &= ~all_output_options[i].field;
2939                                         }
2940                                         output[j].user_set = true;
2941                                         output[j].wildcard_set = true;
2942                                 }
2943                         }
2944                 } else {
2945                         if (output[type].invalid_fields & all_output_options[i].field) {
2946                                 fprintf(stderr, "\'%s\' not valid for %s events.\n",
2947                                          all_output_options[i].str, event_type(type));
2948
2949                                 rc = -EINVAL;
2950                                 goto out;
2951                         }
2952                         if (change == REMOVE)
2953                                 output[type].fields &= ~all_output_options[i].field;
2954                         else
2955                                 output[type].fields |= all_output_options[i].field;
2956                         output[type].user_set = true;
2957                         output[type].wildcard_set = true;
2958                 }
2959         }
2960
2961         if (type >= 0) {
2962                 if (output[type].fields == 0) {
2963                         pr_debug("No fields requested for %s type. "
2964                                  "Events will not be displayed.\n", event_type(type));
2965                 }
2966         }
2967         goto out;
2968
2969 out_badmix:
2970         fprintf(stderr, "Cannot mix +-field with overridden fields\n");
2971         rc = -EINVAL;
2972 out:
2973         free(str);
2974         return rc;
2975 }
2976
2977 #define for_each_lang(scripts_path, scripts_dir, lang_dirent)           \
2978         while ((lang_dirent = readdir(scripts_dir)) != NULL)            \
2979                 if ((lang_dirent->d_type == DT_DIR ||                   \
2980                      (lang_dirent->d_type == DT_UNKNOWN &&              \
2981                       is_directory(scripts_path, lang_dirent))) &&      \
2982                     (strcmp(lang_dirent->d_name, ".")) &&               \
2983                     (strcmp(lang_dirent->d_name, "..")))
2984
2985 #define for_each_script(lang_path, lang_dir, script_dirent)             \
2986         while ((script_dirent = readdir(lang_dir)) != NULL)             \
2987                 if (script_dirent->d_type != DT_DIR &&                  \
2988                     (script_dirent->d_type != DT_UNKNOWN ||             \
2989                      !is_directory(lang_path, script_dirent)))
2990
2991
2992 #define RECORD_SUFFIX                   "-record"
2993 #define REPORT_SUFFIX                   "-report"
2994
2995 struct script_desc {
2996         struct list_head        node;
2997         char                    *name;
2998         char                    *half_liner;
2999         char                    *args;
3000 };
3001
3002 static LIST_HEAD(script_descs);
3003
3004 static struct script_desc *script_desc__new(const char *name)
3005 {
3006         struct script_desc *s = zalloc(sizeof(*s));
3007
3008         if (s != NULL && name)
3009                 s->name = strdup(name);
3010
3011         return s;
3012 }
3013
3014 static void script_desc__delete(struct script_desc *s)
3015 {
3016         zfree(&s->name);
3017         zfree(&s->half_liner);
3018         zfree(&s->args);
3019         free(s);
3020 }
3021
3022 static void script_desc__add(struct script_desc *s)
3023 {
3024         list_add_tail(&s->node, &script_descs);
3025 }
3026
3027 static struct script_desc *script_desc__find(const char *name)
3028 {
3029         struct script_desc *s;
3030
3031         list_for_each_entry(s, &script_descs, node)
3032                 if (strcasecmp(s->name, name) == 0)
3033                         return s;
3034         return NULL;
3035 }
3036
3037 static struct script_desc *script_desc__findnew(const char *name)
3038 {
3039         struct script_desc *s = script_desc__find(name);
3040
3041         if (s)
3042                 return s;
3043
3044         s = script_desc__new(name);
3045         if (!s)
3046                 return NULL;
3047
3048         script_desc__add(s);
3049
3050         return s;
3051 }
3052
3053 static const char *ends_with(const char *str, const char *suffix)
3054 {
3055         size_t suffix_len = strlen(suffix);
3056         const char *p = str;
3057
3058         if (strlen(str) > suffix_len) {
3059                 p = str + strlen(str) - suffix_len;
3060                 if (!strncmp(p, suffix, suffix_len))
3061                         return p;
3062         }
3063
3064         return NULL;
3065 }
3066
3067 static int read_script_info(struct script_desc *desc, const char *filename)
3068 {
3069         char line[BUFSIZ], *p;
3070         FILE *fp;
3071
3072         fp = fopen(filename, "r");
3073         if (!fp)
3074                 return -1;
3075
3076         while (fgets(line, sizeof(line), fp)) {
3077                 p = skip_spaces(line);
3078                 if (strlen(p) == 0)
3079                         continue;
3080                 if (*p != '#')
3081                         continue;
3082                 p++;
3083                 if (strlen(p) && *p == '!')
3084                         continue;
3085
3086                 p = skip_spaces(p);
3087                 if (strlen(p) && p[strlen(p) - 1] == '\n')
3088                         p[strlen(p) - 1] = '\0';
3089
3090                 if (!strncmp(p, "description:", strlen("description:"))) {
3091                         p += strlen("description:");
3092                         desc->half_liner = strdup(skip_spaces(p));
3093                         continue;
3094                 }
3095
3096                 if (!strncmp(p, "args:", strlen("args:"))) {
3097                         p += strlen("args:");
3098                         desc->args = strdup(skip_spaces(p));
3099                         continue;
3100                 }
3101         }
3102
3103         fclose(fp);
3104
3105         return 0;
3106 }
3107
3108 static char *get_script_root(struct dirent *script_dirent, const char *suffix)
3109 {
3110         char *script_root, *str;
3111
3112         script_root = strdup(script_dirent->d_name);
3113         if (!script_root)
3114                 return NULL;
3115
3116         str = (char *)ends_with(script_root, suffix);
3117         if (!str) {
3118                 free(script_root);
3119                 return NULL;
3120         }
3121
3122         *str = '\0';
3123         return script_root;
3124 }
3125
3126 static int list_available_scripts(const struct option *opt __maybe_unused,
3127                                   const char *s __maybe_unused,
3128                                   int unset __maybe_unused)
3129 {
3130         struct dirent *script_dirent, *lang_dirent;
3131         char scripts_path[MAXPATHLEN];
3132         DIR *scripts_dir, *lang_dir;
3133         char script_path[MAXPATHLEN];
3134         char lang_path[MAXPATHLEN];
3135         struct script_desc *desc;
3136         char first_half[BUFSIZ];
3137         char *script_root;
3138
3139         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3140
3141         scripts_dir = opendir(scripts_path);
3142         if (!scripts_dir) {
3143                 fprintf(stdout,
3144                         "open(%s) failed.\n"
3145                         "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
3146                         scripts_path);
3147                 exit(-1);
3148         }
3149
3150         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3151                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3152                           lang_dirent->d_name);
3153                 lang_dir = opendir(lang_path);
3154                 if (!lang_dir)
3155                         continue;
3156
3157                 for_each_script(lang_path, lang_dir, script_dirent) {
3158                         script_root = get_script_root(script_dirent, REPORT_SUFFIX);
3159                         if (script_root) {
3160                                 desc = script_desc__findnew(script_root);
3161                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3162                                           lang_path, script_dirent->d_name);
3163                                 read_script_info(desc, script_path);
3164                                 free(script_root);
3165                         }
3166                 }
3167         }
3168
3169         fprintf(stdout, "List of available trace scripts:\n");
3170         list_for_each_entry(desc, &script_descs, node) {
3171                 sprintf(first_half, "%s %s", desc->name,
3172                         desc->args ? desc->args : "");
3173                 fprintf(stdout, "  %-36s %s\n", first_half,
3174                         desc->half_liner ? desc->half_liner : "");
3175         }
3176
3177         exit(0);
3178 }
3179
3180 static int add_dlarg(const struct option *opt __maybe_unused,
3181                      const char *s, int unset __maybe_unused)
3182 {
3183         char *arg = strdup(s);
3184         void *a;
3185
3186         if (!arg)
3187                 return -1;
3188
3189         a = realloc(dlargv, sizeof(dlargv[0]) * (dlargc + 1));
3190         if (!a) {
3191                 free(arg);
3192                 return -1;
3193         }
3194
3195         dlargv = a;
3196         dlargv[dlargc++] = arg;
3197
3198         return 0;
3199 }
3200
3201 static void free_dlarg(void)
3202 {
3203         while (dlargc--)
3204                 free(dlargv[dlargc]);
3205         free(dlargv);
3206 }
3207
3208 /*
3209  * Some scripts specify the required events in their "xxx-record" file,
3210  * this function will check if the events in perf.data match those
3211  * mentioned in the "xxx-record".
3212  *
3213  * Fixme: All existing "xxx-record" are all in good formats "-e event ",
3214  * which is covered well now. And new parsing code should be added to
3215  * cover the future complex formats like event groups etc.
3216  */
3217 static int check_ev_match(char *dir_name, char *scriptname,
3218                         struct perf_session *session)
3219 {
3220         char filename[MAXPATHLEN], evname[128];
3221         char line[BUFSIZ], *p;
3222         struct evsel *pos;
3223         int match, len;
3224         FILE *fp;
3225
3226         scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
3227
3228         fp = fopen(filename, "r");
3229         if (!fp)
3230                 return -1;
3231
3232         while (fgets(line, sizeof(line), fp)) {
3233                 p = skip_spaces(line);
3234                 if (*p == '#')
3235                         continue;
3236
3237                 while (strlen(p)) {
3238                         p = strstr(p, "-e");
3239                         if (!p)
3240                                 break;
3241
3242                         p += 2;
3243                         p = skip_spaces(p);
3244                         len = strcspn(p, " \t");
3245                         if (!len)
3246                                 break;
3247
3248                         snprintf(evname, len + 1, "%s", p);
3249
3250                         match = 0;
3251                         evlist__for_each_entry(session->evlist, pos) {
3252                                 if (!strcmp(evsel__name(pos), evname)) {
3253                                         match = 1;
3254                                         break;
3255                                 }
3256                         }
3257
3258                         if (!match) {
3259                                 fclose(fp);
3260                                 return -1;
3261                         }
3262                 }
3263         }
3264
3265         fclose(fp);
3266         return 0;
3267 }
3268
3269 /*
3270  * Return -1 if none is found, otherwise the actual scripts number.
3271  *
3272  * Currently the only user of this function is the script browser, which
3273  * will list all statically runnable scripts, select one, execute it and
3274  * show the output in a perf browser.
3275  */
3276 int find_scripts(char **scripts_array, char **scripts_path_array, int num,
3277                  int pathlen)
3278 {
3279         struct dirent *script_dirent, *lang_dirent;
3280         char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
3281         DIR *scripts_dir, *lang_dir;
3282         struct perf_session *session;
3283         struct perf_data data = {
3284                 .path = input_name,
3285                 .mode = PERF_DATA_MODE_READ,
3286         };
3287         char *temp;
3288         int i = 0;
3289
3290         session = perf_session__new(&data, false, NULL);
3291         if (IS_ERR(session))
3292                 return PTR_ERR(session);
3293
3294         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3295
3296         scripts_dir = opendir(scripts_path);
3297         if (!scripts_dir) {
3298                 perf_session__delete(session);
3299                 return -1;
3300         }
3301
3302         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3303                 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
3304                           lang_dirent->d_name);
3305 #ifndef HAVE_LIBPERL_SUPPORT
3306                 if (strstr(lang_path, "perl"))
3307                         continue;
3308 #endif
3309 #ifndef HAVE_LIBPYTHON_SUPPORT
3310                 if (strstr(lang_path, "python"))
3311                         continue;
3312 #endif
3313
3314                 lang_dir = opendir(lang_path);
3315                 if (!lang_dir)
3316                         continue;
3317
3318                 for_each_script(lang_path, lang_dir, script_dirent) {
3319                         /* Skip those real time scripts: xxxtop.p[yl] */
3320                         if (strstr(script_dirent->d_name, "top."))
3321                                 continue;
3322                         if (i >= num)
3323                                 break;
3324                         snprintf(scripts_path_array[i], pathlen, "%s/%s",
3325                                 lang_path,
3326                                 script_dirent->d_name);
3327                         temp = strchr(script_dirent->d_name, '.');
3328                         snprintf(scripts_array[i],
3329                                 (temp - script_dirent->d_name) + 1,
3330                                 "%s", script_dirent->d_name);
3331
3332                         if (check_ev_match(lang_path,
3333                                         scripts_array[i], session))
3334                                 continue;
3335
3336                         i++;
3337                 }
3338                 closedir(lang_dir);
3339         }
3340
3341         closedir(scripts_dir);
3342         perf_session__delete(session);
3343         return i;
3344 }
3345
3346 static char *get_script_path(const char *script_root, const char *suffix)
3347 {
3348         struct dirent *script_dirent, *lang_dirent;
3349         char scripts_path[MAXPATHLEN];
3350         char script_path[MAXPATHLEN];
3351         DIR *scripts_dir, *lang_dir;
3352         char lang_path[MAXPATHLEN];
3353         char *__script_root;
3354
3355         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3356
3357         scripts_dir = opendir(scripts_path);
3358         if (!scripts_dir)
3359                 return NULL;
3360
3361         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3362                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3363                           lang_dirent->d_name);
3364                 lang_dir = opendir(lang_path);
3365                 if (!lang_dir)
3366                         continue;
3367
3368                 for_each_script(lang_path, lang_dir, script_dirent) {
3369                         __script_root = get_script_root(script_dirent, suffix);
3370                         if (__script_root && !strcmp(script_root, __script_root)) {
3371                                 free(__script_root);
3372                                 closedir(scripts_dir);
3373                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3374                                           lang_path, script_dirent->d_name);
3375                                 closedir(lang_dir);
3376                                 return strdup(script_path);
3377                         }
3378                         free(__script_root);
3379                 }
3380                 closedir(lang_dir);
3381         }
3382         closedir(scripts_dir);
3383
3384         return NULL;
3385 }
3386
3387 static bool is_top_script(const char *script_path)
3388 {
3389         return ends_with(script_path, "top") != NULL;
3390 }
3391
3392 static int has_required_arg(char *script_path)
3393 {
3394         struct script_desc *desc;
3395         int n_args = 0;
3396         char *p;
3397
3398         desc = script_desc__new(NULL);
3399
3400         if (read_script_info(desc, script_path))
3401                 goto out;
3402
3403         if (!desc->args)
3404                 goto out;
3405
3406         for (p = desc->args; *p; p++)
3407                 if (*p == '<')
3408                         n_args++;
3409 out:
3410         script_desc__delete(desc);
3411
3412         return n_args;
3413 }
3414
3415 static int have_cmd(int argc, const char **argv)
3416 {
3417         char **__argv = malloc(sizeof(const char *) * argc);
3418
3419         if (!__argv) {
3420                 pr_err("malloc failed\n");
3421                 return -1;
3422         }
3423
3424         memcpy(__argv, argv, sizeof(const char *) * argc);
3425         argc = parse_options(argc, (const char **)__argv, record_options,
3426                              NULL, PARSE_OPT_STOP_AT_NON_OPTION);
3427         free(__argv);
3428
3429         system_wide = (argc == 0);
3430
3431         return 0;
3432 }
3433
3434 static void script__setup_sample_type(struct perf_script *script)
3435 {
3436         struct perf_session *session = script->session;
3437         u64 sample_type = evlist__combined_sample_type(session->evlist);
3438
3439         if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
3440                 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
3441                     (sample_type & PERF_SAMPLE_STACK_USER)) {
3442                         callchain_param.record_mode = CALLCHAIN_DWARF;
3443                         dwarf_callchain_users = true;
3444                 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
3445                         callchain_param.record_mode = CALLCHAIN_LBR;
3446                 else
3447                         callchain_param.record_mode = CALLCHAIN_FP;
3448         }
3449
3450         if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) {
3451                 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
3452                            "Please apply --call-graph lbr when recording.\n");
3453                 script->stitch_lbr = false;
3454         }
3455 }
3456
3457 static int process_stat_round_event(struct perf_session *session,
3458                                     union perf_event *event)
3459 {
3460         struct perf_record_stat_round *round = &event->stat_round;
3461         struct evsel *counter;
3462
3463         evlist__for_each_entry(session->evlist, counter) {
3464                 perf_stat_process_counter(&stat_config, counter);
3465                 process_stat(counter, round->time);
3466         }
3467
3468         process_stat_interval(round->time);
3469         return 0;
3470 }
3471
3472 static int process_stat_config_event(struct perf_session *session __maybe_unused,
3473                                      union perf_event *event)
3474 {
3475         perf_event__read_stat_config(&stat_config, &event->stat_config);
3476         return 0;
3477 }
3478
3479 static int set_maps(struct perf_script *script)
3480 {
3481         struct evlist *evlist = script->session->evlist;
3482
3483         if (!script->cpus || !script->threads)
3484                 return 0;
3485
3486         if (WARN_ONCE(script->allocated, "stats double allocation\n"))
3487                 return -EINVAL;
3488
3489         perf_evlist__set_maps(&evlist->core, script->cpus, script->threads);
3490
3491         if (evlist__alloc_stats(evlist, true))
3492                 return -ENOMEM;
3493
3494         script->allocated = true;
3495         return 0;
3496 }
3497
3498 static
3499 int process_thread_map_event(struct perf_session *session,
3500                              union perf_event *event)
3501 {
3502         struct perf_tool *tool = session->tool;
3503         struct perf_script *script = container_of(tool, struct perf_script, tool);
3504
3505         if (script->threads) {
3506                 pr_warning("Extra thread map event, ignoring.\n");
3507                 return 0;
3508         }
3509
3510         script->threads = thread_map__new_event(&event->thread_map);
3511         if (!script->threads)
3512                 return -ENOMEM;
3513
3514         return set_maps(script);
3515 }
3516
3517 static
3518 int process_cpu_map_event(struct perf_session *session,
3519                           union perf_event *event)
3520 {
3521         struct perf_tool *tool = session->tool;
3522         struct perf_script *script = container_of(tool, struct perf_script, tool);
3523
3524         if (script->cpus) {
3525                 pr_warning("Extra cpu map event, ignoring.\n");
3526                 return 0;
3527         }
3528
3529         script->cpus = cpu_map__new_data(&event->cpu_map.data);
3530         if (!script->cpus)
3531                 return -ENOMEM;
3532
3533         return set_maps(script);
3534 }
3535
3536 static int process_feature_event(struct perf_session *session,
3537                                  union perf_event *event)
3538 {
3539         if (event->feat.feat_id < HEADER_LAST_FEATURE)
3540                 return perf_event__process_feature(session, event);
3541         return 0;
3542 }
3543
3544 #ifdef HAVE_AUXTRACE_SUPPORT
3545 static int perf_script__process_auxtrace_info(struct perf_session *session,
3546                                               union perf_event *event)
3547 {
3548         struct perf_tool *tool = session->tool;
3549
3550         int ret = perf_event__process_auxtrace_info(session, event);
3551
3552         if (ret == 0) {
3553                 struct perf_script *script = container_of(tool, struct perf_script, tool);
3554
3555                 ret = perf_script__setup_per_event_dump(script);
3556         }
3557
3558         return ret;
3559 }
3560 #else
3561 #define perf_script__process_auxtrace_info 0
3562 #endif
3563
3564 static int parse_insn_trace(const struct option *opt __maybe_unused,
3565                             const char *str __maybe_unused,
3566                             int unset __maybe_unused)
3567 {
3568         parse_output_fields(NULL, "+insn,-event,-period", 0);
3569         itrace_parse_synth_opts(opt, "i0ns", 0);
3570         symbol_conf.nanosecs = true;
3571         return 0;
3572 }
3573
3574 static int parse_xed(const struct option *opt __maybe_unused,
3575                      const char *str __maybe_unused,
3576                      int unset __maybe_unused)
3577 {
3578         if (isatty(1))
3579                 force_pager("xed -F insn: -A -64 | less");
3580         else
3581                 force_pager("xed -F insn: -A -64");
3582         return 0;
3583 }
3584
3585 static int parse_call_trace(const struct option *opt __maybe_unused,
3586                             const char *str __maybe_unused,
3587                             int unset __maybe_unused)
3588 {
3589         parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
3590         itrace_parse_synth_opts(opt, "cewp", 0);
3591         symbol_conf.nanosecs = true;
3592         symbol_conf.pad_output_len_dso = 50;
3593         return 0;
3594 }
3595
3596 static int parse_callret_trace(const struct option *opt __maybe_unused,
3597                             const char *str __maybe_unused,
3598                             int unset __maybe_unused)
3599 {
3600         parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
3601         itrace_parse_synth_opts(opt, "crewp", 0);
3602         symbol_conf.nanosecs = true;
3603         return 0;
3604 }
3605
3606 int cmd_script(int argc, const char **argv)
3607 {
3608         bool show_full_info = false;
3609         bool header = false;
3610         bool header_only = false;
3611         bool script_started = false;
3612         char *rec_script_path = NULL;
3613         char *rep_script_path = NULL;
3614         struct perf_session *session;
3615         struct itrace_synth_opts itrace_synth_opts = {
3616                 .set = false,
3617                 .default_no_sample = true,
3618         };
3619         struct utsname uts;
3620         char *script_path = NULL;
3621         const char *dlfilter_file = NULL;
3622         const char **__argv;
3623         int i, j, err = 0;
3624         struct perf_script script = {
3625                 .tool = {
3626                         .sample          = process_sample_event,
3627                         .mmap            = perf_event__process_mmap,
3628                         .mmap2           = perf_event__process_mmap2,
3629                         .comm            = perf_event__process_comm,
3630                         .namespaces      = perf_event__process_namespaces,
3631                         .cgroup          = perf_event__process_cgroup,
3632                         .exit            = perf_event__process_exit,
3633                         .fork            = perf_event__process_fork,
3634                         .attr            = process_attr,
3635                         .event_update   = perf_event__process_event_update,
3636                         .tracing_data    = perf_event__process_tracing_data,
3637                         .feature         = process_feature_event,
3638                         .build_id        = perf_event__process_build_id,
3639                         .id_index        = perf_event__process_id_index,
3640                         .auxtrace_info   = perf_script__process_auxtrace_info,
3641                         .auxtrace        = perf_event__process_auxtrace,
3642                         .auxtrace_error  = perf_event__process_auxtrace_error,
3643                         .stat            = perf_event__process_stat_event,
3644                         .stat_round      = process_stat_round_event,
3645                         .stat_config     = process_stat_config_event,
3646                         .thread_map      = process_thread_map_event,
3647                         .cpu_map         = process_cpu_map_event,
3648                         .ordered_events  = true,
3649                         .ordering_requires_timestamps = true,
3650                 },
3651         };
3652         struct perf_data data = {
3653                 .mode = PERF_DATA_MODE_READ,
3654         };
3655         const struct option options[] = {
3656         OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3657                     "dump raw trace in ASCII"),
3658         OPT_INCR('v', "verbose", &verbose,
3659                  "be more verbose (show symbol address, etc)"),
3660         OPT_BOOLEAN('L', "Latency", &latency_format,
3661                     "show latency attributes (irqs/preemption disabled, etc)"),
3662         OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3663                            list_available_scripts),
3664         OPT_CALLBACK_NOOPT(0, "list-dlfilters", NULL, NULL, "list available dlfilters",
3665                            list_available_dlfilters),
3666         OPT_CALLBACK('s', "script", NULL, "name",
3667                      "script file name (lang:script name, script name, or *)",
3668                      parse_scriptname),
3669         OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3670                    "generate perf-script.xx script in specified language"),
3671         OPT_STRING(0, "dlfilter", &dlfilter_file, "file", "filter .so file name"),
3672         OPT_CALLBACK(0, "dlarg", NULL, "argument", "filter argument",
3673                      add_dlarg),
3674         OPT_STRING('i', "input", &input_name, "file", "input file name"),
3675         OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3676                    "do various checks like samples ordering and lost events"),
3677         OPT_BOOLEAN(0, "header", &header, "Show data header."),
3678         OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3679         OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3680                    "file", "vmlinux pathname"),
3681         OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3682                    "file", "kallsyms pathname"),
3683         OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3684                     "When printing symbols do not display call chain"),
3685         OPT_CALLBACK(0, "symfs", NULL, "directory",
3686                      "Look for files with symbols relative to this directory",
3687                      symbol__config_symfs),
3688         OPT_CALLBACK('F', "fields", NULL, "str",
3689                      "comma separated output fields prepend with 'type:'. "
3690                      "+field to add and -field to remove."
3691                      "Valid types: hw,sw,trace,raw,synth. "
3692                      "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
3693                      "addr,symoff,srcline,period,iregs,uregs,brstack,"
3694                      "brstacksym,flags,bpf-output,brstackinsn,brstackoff,"
3695                      "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc,tod,"
3696                      "data_page_size,code_page_size",
3697                      parse_output_fields),
3698         OPT_BOOLEAN('a', "all-cpus", &system_wide,
3699                     "system-wide collection from all CPUs"),
3700         OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
3701                    "only consider symbols in these DSOs"),
3702         OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3703                    "only consider these symbols"),
3704         OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range,
3705                     "Use with -S to list traced records within address range"),
3706         OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL,
3707                         "Decode instructions from itrace", parse_insn_trace),
3708         OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
3709                         "Run xed disassembler on output", parse_xed),
3710         OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
3711                         "Decode calls from from itrace", parse_call_trace),
3712         OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
3713                         "Decode calls and returns from itrace", parse_callret_trace),
3714         OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",
3715                         "Only print symbols and callees with --call-trace/--call-ret-trace"),
3716         OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3717                    "Stop display of callgraph at these symbols"),
3718         OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3719         OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3720                    "only display events for these comms"),
3721         OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3722                    "only consider symbols in these pids"),
3723         OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3724                    "only consider symbols in these tids"),
3725         OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3726                      "Set the maximum stack depth when parsing the callchain, "
3727                      "anything beyond the specified depth will be ignored. "
3728                      "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3729         OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"),
3730         OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"),
3731         OPT_BOOLEAN('I', "show-info", &show_full_info,
3732                     "display extended information from perf.data file"),
3733         OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3734                     "Show the path of [kernel.kallsyms]"),
3735         OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3736                     "Show the fork/comm/exit events"),
3737         OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3738                     "Show the mmap events"),
3739         OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3740                     "Show context switch events (if recorded)"),
3741         OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3742                     "Show namespace events (if recorded)"),
3743         OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events,
3744                     "Show cgroup events (if recorded)"),
3745         OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3746                     "Show lost events (if recorded)"),
3747         OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3748                     "Show round events (if recorded)"),
3749         OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events,
3750                     "Show bpf related events (if recorded)"),
3751         OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events,
3752                     "Show text poke related events (if recorded)"),
3753         OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
3754                     "Dump trace output to files named by the monitored events"),
3755         OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3756         OPT_INTEGER(0, "max-blocks", &max_blocks,
3757                     "Maximum number of code blocks to dump with brstackinsn"),
3758         OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs,
3759                     "Use 9 decimal places when displaying time"),
3760         OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
3761                             "Instruction Tracing options\n" ITRACE_HELP,
3762                             itrace_parse_synth_opts),
3763         OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
3764                         "Show full source file name path for source lines"),
3765         OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
3766                         "Enable symbol demangling"),
3767         OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
3768                         "Enable kernel symbol demangling"),
3769         OPT_STRING(0, "time", &script.time_str, "str",
3770                    "Time span of interest (start,stop)"),
3771         OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
3772                     "Show inline function"),
3773         OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
3774                    "guest mount directory under which every guest os"
3775                    " instance has a subdir"),
3776         OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name,
3777                    "file", "file saving guest os vmlinux"),
3778         OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms,
3779                    "file", "file saving guest os /proc/kallsyms"),
3780         OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
3781                    "file", "file saving guest os /proc/modules"),
3782         OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr,
3783                     "Enable LBR callgraph stitching approach"),
3784         OPTS_EVSWITCH(&script.evswitch),
3785         OPT_END()
3786         };
3787         const char * const script_subcommands[] = { "record", "report", NULL };
3788         const char *script_usage[] = {
3789                 "perf script [<options>]",
3790                 "perf script [<options>] record <script> [<record-options>] <command>",
3791                 "perf script [<options>] report <script> [script-args]",
3792                 "perf script [<options>] <script> [<record-options>] <command>",
3793                 "perf script [<options>] <top-script> [script-args]",
3794                 NULL
3795         };
3796
3797         perf_set_singlethreaded();
3798
3799         setup_scripting();
3800
3801         argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3802                              PARSE_OPT_STOP_AT_NON_OPTION);
3803
3804         if (symbol_conf.guestmount ||
3805             symbol_conf.default_guest_vmlinux_name ||
3806             symbol_conf.default_guest_kallsyms ||
3807             symbol_conf.default_guest_modules) {
3808                 /*
3809                  * Enable guest sample processing.
3810                  */
3811                 perf_guest = true;
3812         }
3813
3814         data.path  = input_name;
3815         data.force = symbol_conf.force;
3816
3817         if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
3818                 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
3819                 if (!rec_script_path)
3820                         return cmd_record(argc, argv);
3821         }
3822
3823         if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
3824                 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
3825                 if (!rep_script_path) {
3826                         fprintf(stderr,
3827                                 "Please specify a valid report script"
3828                                 "(see 'perf script -l' for listing)\n");
3829                         return -1;
3830                 }
3831         }
3832
3833         if (reltime && deltatime) {
3834                 fprintf(stderr,
3835                         "reltime and deltatime - the two don't get along well. "
3836                         "Please limit to --reltime or --deltatime.\n");
3837                 return -1;
3838         }
3839
3840         if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) &&
3841             itrace_synth_opts.callchain_sz > scripting_max_stack)
3842                 scripting_max_stack = itrace_synth_opts.callchain_sz;
3843
3844         /* make sure PERF_EXEC_PATH is set for scripts */
3845         set_argv_exec_path(get_argv_exec_path());
3846
3847         if (argc && !script_name && !rec_script_path && !rep_script_path) {
3848                 int live_pipe[2];
3849                 int rep_args;
3850                 pid_t pid;
3851
3852                 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
3853                 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
3854
3855                 if (!rec_script_path && !rep_script_path) {
3856                         script_name = find_script(argv[0]);
3857                         if (script_name) {
3858                                 argc -= 1;
3859                                 argv += 1;
3860                                 goto script_found;
3861                         }
3862                         usage_with_options_msg(script_usage, options,
3863                                 "Couldn't find script `%s'\n\n See perf"
3864                                 " script -l for available scripts.\n", argv[0]);
3865                 }
3866
3867                 if (is_top_script(argv[0])) {
3868                         rep_args = argc - 1;
3869                 } else {
3870                         int rec_args;
3871
3872                         rep_args = has_required_arg(rep_script_path);
3873                         rec_args = (argc - 1) - rep_args;
3874                         if (rec_args < 0) {
3875                                 usage_with_options_msg(script_usage, options,
3876                                         "`%s' script requires options."
3877                                         "\n\n See perf script -l for available "
3878                                         "scripts and options.\n", argv[0]);
3879                         }
3880                 }
3881
3882                 if (pipe(live_pipe) < 0) {
3883                         perror("failed to create pipe");
3884                         return -1;
3885                 }
3886
3887                 pid = fork();
3888                 if (pid < 0) {
3889                         perror("failed to fork");
3890                         return -1;
3891                 }
3892
3893                 if (!pid) {
3894                         j = 0;
3895
3896                         dup2(live_pipe[1], 1);
3897                         close(live_pipe[0]);
3898
3899                         if (is_top_script(argv[0])) {
3900                                 system_wide = true;
3901                         } else if (!system_wide) {
3902                                 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
3903                                         err = -1;
3904                                         goto out;
3905                                 }
3906                         }
3907
3908                         __argv = malloc((argc + 6) * sizeof(const char *));
3909                         if (!__argv) {
3910                                 pr_err("malloc failed\n");
3911                                 err = -ENOMEM;
3912                                 goto out;
3913                         }
3914
3915                         __argv[j++] = "/bin/sh";
3916                         __argv[j++] = rec_script_path;
3917                         if (system_wide)
3918                                 __argv[j++] = "-a";
3919                         __argv[j++] = "-q";
3920                         __argv[j++] = "-o";
3921                         __argv[j++] = "-";
3922                         for (i = rep_args + 1; i < argc; i++)
3923                                 __argv[j++] = argv[i];
3924                         __argv[j++] = NULL;
3925
3926                         execvp("/bin/sh", (char **)__argv);
3927                         free(__argv);
3928                         exit(-1);
3929                 }
3930
3931                 dup2(live_pipe[0], 0);
3932                 close(live_pipe[1]);
3933
3934                 __argv = malloc((argc + 4) * sizeof(const char *));
3935                 if (!__argv) {
3936                         pr_err("malloc failed\n");
3937                         err = -ENOMEM;
3938                         goto out;
3939                 }
3940
3941                 j = 0;
3942                 __argv[j++] = "/bin/sh";
3943                 __argv[j++] = rep_script_path;
3944                 for (i = 1; i < rep_args + 1; i++)
3945                         __argv[j++] = argv[i];
3946                 __argv[j++] = "-i";
3947                 __argv[j++] = "-";
3948                 __argv[j++] = NULL;
3949
3950                 execvp("/bin/sh", (char **)__argv);
3951                 free(__argv);
3952                 exit(-1);
3953         }
3954 script_found:
3955         if (rec_script_path)
3956                 script_path = rec_script_path;
3957         if (rep_script_path)
3958                 script_path = rep_script_path;
3959
3960         if (script_path) {
3961                 j = 0;
3962
3963                 if (!rec_script_path)
3964                         system_wide = false;
3965                 else if (!system_wide) {
3966                         if (have_cmd(argc - 1, &argv[1]) != 0) {
3967                                 err = -1;
3968                                 goto out;
3969                         }
3970                 }
3971
3972                 __argv = malloc((argc + 2) * sizeof(const char *));
3973                 if (!__argv) {
3974                         pr_err("malloc failed\n");
3975                         err = -ENOMEM;
3976                         goto out;
3977                 }
3978
3979                 __argv[j++] = "/bin/sh";
3980                 __argv[j++] = script_path;
3981                 if (system_wide)
3982                         __argv[j++] = "-a";
3983                 for (i = 2; i < argc; i++)
3984                         __argv[j++] = argv[i];
3985                 __argv[j++] = NULL;
3986
3987                 execvp("/bin/sh", (char **)__argv);
3988                 free(__argv);
3989                 exit(-1);
3990         }
3991
3992         if (dlfilter_file) {
3993                 dlfilter = dlfilter__new(dlfilter_file, dlargc, dlargv);
3994                 if (!dlfilter)
3995                         return -1;
3996         }
3997
3998         if (!script_name) {
3999                 setup_pager();
4000                 use_browser = 0;
4001         }
4002
4003         session = perf_session__new(&data, false, &script.tool);
4004         if (IS_ERR(session))
4005                 return PTR_ERR(session);
4006
4007         if (header || header_only) {
4008                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
4009                 perf_session__fprintf_info(session, stdout, show_full_info);
4010                 if (header_only)
4011                         goto out_delete;
4012         }
4013         if (show_full_info)
4014                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
4015
4016         if (symbol__init(&session->header.env) < 0)
4017                 goto out_delete;
4018
4019         uname(&uts);
4020         if (data.is_pipe ||  /* assume pipe_mode indicates native_arch */
4021             !strcmp(uts.machine, session->header.env.arch) ||
4022             (!strcmp(uts.machine, "x86_64") &&
4023              !strcmp(session->header.env.arch, "i386")))
4024                 native_arch = true;
4025
4026         script.session = session;
4027         script__setup_sample_type(&script);
4028
4029         if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) ||
4030             symbol_conf.graph_function)
4031                 itrace_synth_opts.thread_stack = true;
4032
4033         session->itrace_synth_opts = &itrace_synth_opts;
4034
4035         if (cpu_list) {
4036                 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
4037                 if (err < 0)
4038                         goto out_delete;
4039                 itrace_synth_opts.cpu_bitmap = cpu_bitmap;
4040         }
4041
4042         if (!no_callchain)
4043                 symbol_conf.use_callchain = true;
4044         else
4045                 symbol_conf.use_callchain = false;
4046
4047         if (session->tevent.pevent &&
4048             tep_set_function_resolver(session->tevent.pevent,
4049                                       machine__resolve_kernel_addr,
4050                                       &session->machines.host) < 0) {
4051                 pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
4052                 err = -1;
4053                 goto out_delete;
4054         }
4055
4056         if (generate_script_lang) {
4057                 struct stat perf_stat;
4058                 int input;
4059
4060                 if (output_set_by_user()) {
4061                         fprintf(stderr,
4062                                 "custom fields not supported for generated scripts");
4063                         err = -EINVAL;
4064                         goto out_delete;
4065                 }
4066
4067                 input = open(data.path, O_RDONLY);      /* input_name */
4068                 if (input < 0) {
4069                         err = -errno;
4070                         perror("failed to open file");
4071                         goto out_delete;
4072                 }
4073
4074                 err = fstat(input, &perf_stat);
4075                 if (err < 0) {
4076                         perror("failed to stat file");
4077                         goto out_delete;
4078                 }
4079
4080                 if (!perf_stat.st_size) {
4081                         fprintf(stderr, "zero-sized file, nothing to do!\n");
4082                         goto out_delete;
4083                 }
4084
4085                 scripting_ops = script_spec__lookup(generate_script_lang);
4086                 if (!scripting_ops) {
4087                         fprintf(stderr, "invalid language specifier");
4088                         err = -ENOENT;
4089                         goto out_delete;
4090                 }
4091
4092                 err = scripting_ops->generate_script(session->tevent.pevent,
4093                                                      "perf-script");
4094                 goto out_delete;
4095         }
4096
4097         err = dlfilter__start(dlfilter, session);
4098         if (err)
4099                 goto out_delete;
4100
4101         if (script_name) {
4102                 err = scripting_ops->start_script(script_name, argc, argv, session);
4103                 if (err)
4104                         goto out_delete;
4105                 pr_debug("perf script started with script %s\n\n", script_name);
4106                 script_started = true;
4107         }
4108
4109
4110         err = perf_session__check_output_opt(session);
4111         if (err < 0)
4112                 goto out_delete;
4113
4114         if (script.time_str) {
4115                 err = perf_time__parse_for_ranges_reltime(script.time_str, session,
4116                                                   &script.ptime_range,
4117                                                   &script.range_size,
4118                                                   &script.range_num,
4119                                                   reltime);
4120                 if (err < 0)
4121                         goto out_delete;
4122
4123                 itrace_synth_opts__set_time_range(&itrace_synth_opts,
4124                                                   script.ptime_range,
4125                                                   script.range_num);
4126         }
4127
4128         err = evswitch__init(&script.evswitch, session->evlist, stderr);
4129         if (err)
4130                 goto out_delete;
4131
4132         if (zstd_init(&(session->zstd_data), 0) < 0)
4133                 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n");
4134
4135         err = __cmd_script(&script);
4136
4137         flush_scripting();
4138
4139 out_delete:
4140         if (script.ptime_range) {
4141                 itrace_synth_opts__clear_time_range(&itrace_synth_opts);
4142                 zfree(&script.ptime_range);
4143         }
4144
4145         evlist__free_stats(session->evlist);
4146         perf_session__delete(session);
4147
4148         if (script_started)
4149                 cleanup_scripting();
4150         dlfilter__cleanup(dlfilter);
4151         free_dlarg();
4152 out:
4153         return err;
4154 }