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, <ime) == NULL) { 696 scnprintf(buf, buflen, "failed"); 697 } else { 698 strftime(date, sizeof(date), DEFAULT_TOD_FMT, <ime); 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 evsel *leader = evsel__leader(evsel); 1903 struct perf_stat_output_ctx ctx = { 1904 .print_metric = script_print_metric, 1905 .new_line = script_new_line, 1906 .ctx = &(struct metric_ctx) { 1907 .sample = sample, 1908 .thread = thread, 1909 .evsel = evsel, 1910 .fp = fp, 1911 }, 1912 .force_header = false, 1913 }; 1914 struct evsel *ev2; 1915 u64 val; 1916 1917 if (!evsel->stats) 1918 evlist__alloc_stats(script->session->evlist, false); 1919 if (evsel_script(leader)->gnum++ == 0) 1920 perf_stat__reset_shadow_stats(); 1921 val = sample->period * evsel->scale; 1922 perf_stat__update_shadow_stats(evsel, 1923 val, 1924 sample->cpu, 1925 &rt_stat); 1926 evsel_script(evsel)->val = val; 1927 if (evsel_script(leader)->gnum == leader->core.nr_members) { 1928 for_each_group_member (ev2, leader) { 1929 perf_stat__print_shadow_stats(&stat_config, ev2, 1930 evsel_script(ev2)->val, 1931 sample->cpu, 1932 &ctx, 1933 NULL, 1934 &rt_stat); 1935 } 1936 evsel_script(leader)->gnum = 0; 1937 } 1938 } 1939 1940 static bool show_event(struct perf_sample *sample, 1941 struct evsel *evsel, 1942 struct thread *thread, 1943 struct addr_location *al, 1944 struct addr_location *addr_al) 1945 { 1946 int depth = thread_stack__depth(thread, sample->cpu); 1947 1948 if (!symbol_conf.graph_function) 1949 return true; 1950 1951 if (thread->filter) { 1952 if (depth <= thread->filter_entry_depth) { 1953 thread->filter = false; 1954 return false; 1955 } 1956 return true; 1957 } else { 1958 const char *s = symbol_conf.graph_function; 1959 u64 ip; 1960 const char *name = resolve_branch_sym(sample, evsel, thread, al, addr_al, 1961 &ip); 1962 unsigned nlen; 1963 1964 if (!name) 1965 return false; 1966 nlen = strlen(name); 1967 while (*s) { 1968 unsigned len = strcspn(s, ","); 1969 if (nlen == len && !strncmp(name, s, len)) { 1970 thread->filter = true; 1971 thread->filter_entry_depth = depth; 1972 return true; 1973 } 1974 s += len; 1975 if (*s == ',') 1976 s++; 1977 } 1978 return false; 1979 } 1980 } 1981 1982 static void process_event(struct perf_script *script, 1983 struct perf_sample *sample, struct evsel *evsel, 1984 struct addr_location *al, 1985 struct addr_location *addr_al, 1986 struct machine *machine) 1987 { 1988 struct thread *thread = al->thread; 1989 struct perf_event_attr *attr = &evsel->core.attr; 1990 unsigned int type = output_type(attr->type); 1991 struct evsel_script *es = evsel->priv; 1992 FILE *fp = es->fp; 1993 char str[PAGE_SIZE_NAME_LEN]; 1994 1995 if (output[type].fields == 0) 1996 return; 1997 1998 ++es->samples; 1999 2000 perf_sample__fprintf_start(script, sample, thread, evsel, 2001 PERF_RECORD_SAMPLE, fp); 2002 2003 if (PRINT_FIELD(PERIOD)) 2004 fprintf(fp, "%10" PRIu64 " ", sample->period); 2005 2006 if (PRINT_FIELD(EVNAME)) { 2007 const char *evname = evsel__name(evsel); 2008 2009 if (!script->name_width) 2010 script->name_width = evlist__max_name_len(script->session->evlist); 2011 2012 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]"); 2013 } 2014 2015 if (print_flags) 2016 perf_sample__fprintf_flags(sample->flags, fp); 2017 2018 if (is_bts_event(attr)) { 2019 perf_sample__fprintf_bts(sample, evsel, thread, al, addr_al, machine, fp); 2020 return; 2021 } 2022 2023 if (PRINT_FIELD(TRACE) && sample->raw_data) { 2024 event_format__fprintf(evsel->tp_format, sample->cpu, 2025 sample->raw_data, sample->raw_size, fp); 2026 } 2027 2028 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH)) 2029 perf_sample__fprintf_synth(sample, evsel, fp); 2030 2031 if (PRINT_FIELD(ADDR)) 2032 perf_sample__fprintf_addr(sample, thread, attr, fp); 2033 2034 if (PRINT_FIELD(DATA_SRC)) 2035 data_src__fprintf(sample->data_src, fp); 2036 2037 if (PRINT_FIELD(WEIGHT)) 2038 fprintf(fp, "%16" PRIu64, sample->weight); 2039 2040 if (PRINT_FIELD(IP)) { 2041 struct callchain_cursor *cursor = NULL; 2042 2043 if (script->stitch_lbr) 2044 al->thread->lbr_stitch_enable = true; 2045 2046 if (symbol_conf.use_callchain && sample->callchain && 2047 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 2048 sample, NULL, NULL, scripting_max_stack) == 0) 2049 cursor = &callchain_cursor; 2050 2051 fputc(cursor ? '\n' : ' ', fp); 2052 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, 2053 symbol_conf.bt_stop_list, fp); 2054 } 2055 2056 if (PRINT_FIELD(IREGS)) 2057 perf_sample__fprintf_iregs(sample, attr, fp); 2058 2059 if (PRINT_FIELD(UREGS)) 2060 perf_sample__fprintf_uregs(sample, attr, fp); 2061 2062 if (PRINT_FIELD(BRSTACK)) 2063 perf_sample__fprintf_brstack(sample, thread, attr, fp); 2064 else if (PRINT_FIELD(BRSTACKSYM)) 2065 perf_sample__fprintf_brstacksym(sample, thread, attr, fp); 2066 else if (PRINT_FIELD(BRSTACKOFF)) 2067 perf_sample__fprintf_brstackoff(sample, thread, attr, fp); 2068 2069 if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT)) 2070 perf_sample__fprintf_bpf_output(sample, fp); 2071 perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 2072 2073 if (PRINT_FIELD(PHYS_ADDR)) 2074 fprintf(fp, "%16" PRIx64, sample->phys_addr); 2075 2076 if (PRINT_FIELD(DATA_PAGE_SIZE)) 2077 fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str)); 2078 2079 if (PRINT_FIELD(CODE_PAGE_SIZE)) 2080 fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str)); 2081 2082 perf_sample__fprintf_ipc(sample, attr, fp); 2083 2084 fprintf(fp, "\n"); 2085 2086 if (PRINT_FIELD(SRCCODE)) { 2087 if (map__fprintf_srccode(al->map, al->addr, stdout, 2088 &thread->srccode_state)) 2089 printf("\n"); 2090 } 2091 2092 if (PRINT_FIELD(METRIC)) 2093 perf_sample__fprint_metric(script, thread, evsel, sample, fp); 2094 2095 if (verbose) 2096 fflush(fp); 2097 } 2098 2099 static struct scripting_ops *scripting_ops; 2100 2101 static void __process_stat(struct evsel *counter, u64 tstamp) 2102 { 2103 int nthreads = perf_thread_map__nr(counter->core.threads); 2104 int ncpus = evsel__nr_cpus(counter); 2105 int cpu, thread; 2106 static int header_printed; 2107 2108 if (counter->core.system_wide) 2109 nthreads = 1; 2110 2111 if (!header_printed) { 2112 printf("%3s %8s %15s %15s %15s %15s %s\n", 2113 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT"); 2114 header_printed = 1; 2115 } 2116 2117 for (thread = 0; thread < nthreads; thread++) { 2118 for (cpu = 0; cpu < ncpus; cpu++) { 2119 struct perf_counts_values *counts; 2120 2121 counts = perf_counts(counter->counts, cpu, thread); 2122 2123 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n", 2124 counter->core.cpus->map[cpu], 2125 perf_thread_map__pid(counter->core.threads, thread), 2126 counts->val, 2127 counts->ena, 2128 counts->run, 2129 tstamp, 2130 evsel__name(counter)); 2131 } 2132 } 2133 } 2134 2135 static void process_stat(struct evsel *counter, u64 tstamp) 2136 { 2137 if (scripting_ops && scripting_ops->process_stat) 2138 scripting_ops->process_stat(&stat_config, counter, tstamp); 2139 else 2140 __process_stat(counter, tstamp); 2141 } 2142 2143 static void process_stat_interval(u64 tstamp) 2144 { 2145 if (scripting_ops && scripting_ops->process_stat_interval) 2146 scripting_ops->process_stat_interval(tstamp); 2147 } 2148 2149 static void setup_scripting(void) 2150 { 2151 setup_perl_scripting(); 2152 setup_python_scripting(); 2153 } 2154 2155 static int flush_scripting(void) 2156 { 2157 return scripting_ops ? scripting_ops->flush_script() : 0; 2158 } 2159 2160 static int cleanup_scripting(void) 2161 { 2162 pr_debug("\nperf script stopped\n"); 2163 2164 return scripting_ops ? scripting_ops->stop_script() : 0; 2165 } 2166 2167 static bool filter_cpu(struct perf_sample *sample) 2168 { 2169 if (cpu_list && sample->cpu != (u32)-1) 2170 return !test_bit(sample->cpu, cpu_bitmap); 2171 return false; 2172 } 2173 2174 static int process_sample_event(struct perf_tool *tool, 2175 union perf_event *event, 2176 struct perf_sample *sample, 2177 struct evsel *evsel, 2178 struct machine *machine) 2179 { 2180 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2181 struct addr_location al; 2182 struct addr_location addr_al; 2183 int ret = 0; 2184 2185 /* Set thread to NULL to indicate addr_al and al are not initialized */ 2186 addr_al.thread = NULL; 2187 al.thread = NULL; 2188 2189 ret = dlfilter__filter_event_early(dlfilter, event, sample, evsel, machine, &al, &addr_al); 2190 if (ret) { 2191 if (ret > 0) 2192 ret = 0; 2193 goto out_put; 2194 } 2195 2196 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num, 2197 sample->time)) { 2198 goto out_put; 2199 } 2200 2201 if (debug_mode) { 2202 if (sample->time < last_timestamp) { 2203 pr_err("Samples misordered, previous: %" PRIu64 2204 " this: %" PRIu64 "\n", last_timestamp, 2205 sample->time); 2206 nr_unordered++; 2207 } 2208 last_timestamp = sample->time; 2209 goto out_put; 2210 } 2211 2212 if (filter_cpu(sample)) 2213 goto out_put; 2214 2215 if (!al.thread && machine__resolve(machine, &al, sample) < 0) { 2216 pr_err("problem processing %d event, skipping it.\n", 2217 event->header.type); 2218 ret = -1; 2219 goto out_put; 2220 } 2221 2222 if (al.filtered) 2223 goto out_put; 2224 2225 if (!show_event(sample, evsel, al.thread, &al, &addr_al)) 2226 goto out_put; 2227 2228 if (evswitch__discard(&scr->evswitch, evsel)) 2229 goto out_put; 2230 2231 ret = dlfilter__filter_event(dlfilter, event, sample, evsel, machine, &al, &addr_al); 2232 if (ret) { 2233 if (ret > 0) 2234 ret = 0; 2235 goto out_put; 2236 } 2237 2238 if (scripting_ops) { 2239 struct addr_location *addr_al_ptr = NULL; 2240 2241 if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 2242 sample_addr_correlates_sym(&evsel->core.attr)) { 2243 if (!addr_al.thread) 2244 thread__resolve(al.thread, &addr_al, sample); 2245 addr_al_ptr = &addr_al; 2246 } 2247 scripting_ops->process_event(event, sample, evsel, &al, addr_al_ptr); 2248 } else { 2249 process_event(scr, sample, evsel, &al, &addr_al, machine); 2250 } 2251 2252 out_put: 2253 if (al.thread) 2254 addr_location__put(&al); 2255 return ret; 2256 } 2257 2258 static int process_attr(struct perf_tool *tool, union perf_event *event, 2259 struct evlist **pevlist) 2260 { 2261 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2262 struct evlist *evlist; 2263 struct evsel *evsel, *pos; 2264 u64 sample_type; 2265 int err; 2266 static struct evsel_script *es; 2267 2268 err = perf_event__process_attr(tool, event, pevlist); 2269 if (err) 2270 return err; 2271 2272 evlist = *pevlist; 2273 evsel = evlist__last(*pevlist); 2274 2275 if (!evsel->priv) { 2276 if (scr->per_event_dump) { 2277 evsel->priv = evsel_script__new(evsel, scr->session->data); 2278 } else { 2279 es = zalloc(sizeof(*es)); 2280 if (!es) 2281 return -ENOMEM; 2282 es->fp = stdout; 2283 evsel->priv = es; 2284 } 2285 } 2286 2287 if (evsel->core.attr.type >= PERF_TYPE_MAX && 2288 evsel->core.attr.type != PERF_TYPE_SYNTH) 2289 return 0; 2290 2291 evlist__for_each_entry(evlist, pos) { 2292 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel) 2293 return 0; 2294 } 2295 2296 if (evsel->core.attr.sample_type) { 2297 err = evsel__check_attr(evsel, scr->session); 2298 if (err) 2299 return err; 2300 } 2301 2302 /* 2303 * Check if we need to enable callchains based 2304 * on events sample_type. 2305 */ 2306 sample_type = evlist__combined_sample_type(evlist); 2307 callchain_param_setup(sample_type); 2308 2309 /* Enable fields for callchain entries */ 2310 if (symbol_conf.use_callchain && 2311 (sample_type & PERF_SAMPLE_CALLCHAIN || 2312 sample_type & PERF_SAMPLE_BRANCH_STACK || 2313 (sample_type & PERF_SAMPLE_REGS_USER && 2314 sample_type & PERF_SAMPLE_STACK_USER))) { 2315 int type = output_type(evsel->core.attr.type); 2316 2317 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP)) 2318 output[type].fields |= PERF_OUTPUT_IP; 2319 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM)) 2320 output[type].fields |= PERF_OUTPUT_SYM; 2321 } 2322 set_print_ip_opts(&evsel->core.attr); 2323 return 0; 2324 } 2325 2326 static int print_event_with_time(struct perf_tool *tool, 2327 union perf_event *event, 2328 struct perf_sample *sample, 2329 struct machine *machine, 2330 pid_t pid, pid_t tid, u64 timestamp) 2331 { 2332 struct perf_script *script = container_of(tool, struct perf_script, tool); 2333 struct perf_session *session = script->session; 2334 struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id); 2335 struct thread *thread = NULL; 2336 2337 if (evsel && !evsel->core.attr.sample_id_all) { 2338 sample->cpu = 0; 2339 sample->time = timestamp; 2340 sample->pid = pid; 2341 sample->tid = tid; 2342 } 2343 2344 if (filter_cpu(sample)) 2345 return 0; 2346 2347 if (tid != -1) 2348 thread = machine__findnew_thread(machine, pid, tid); 2349 2350 if (evsel) { 2351 perf_sample__fprintf_start(script, sample, thread, evsel, 2352 event->header.type, stdout); 2353 } 2354 2355 perf_event__fprintf(event, machine, stdout); 2356 2357 thread__put(thread); 2358 2359 return 0; 2360 } 2361 2362 static int print_event(struct perf_tool *tool, union perf_event *event, 2363 struct perf_sample *sample, struct machine *machine, 2364 pid_t pid, pid_t tid) 2365 { 2366 return print_event_with_time(tool, event, sample, machine, pid, tid, 0); 2367 } 2368 2369 static int process_comm_event(struct perf_tool *tool, 2370 union perf_event *event, 2371 struct perf_sample *sample, 2372 struct machine *machine) 2373 { 2374 if (perf_event__process_comm(tool, event, sample, machine) < 0) 2375 return -1; 2376 2377 return print_event(tool, event, sample, machine, event->comm.pid, 2378 event->comm.tid); 2379 } 2380 2381 static int process_namespaces_event(struct perf_tool *tool, 2382 union perf_event *event, 2383 struct perf_sample *sample, 2384 struct machine *machine) 2385 { 2386 if (perf_event__process_namespaces(tool, event, sample, machine) < 0) 2387 return -1; 2388 2389 return print_event(tool, event, sample, machine, event->namespaces.pid, 2390 event->namespaces.tid); 2391 } 2392 2393 static int process_cgroup_event(struct perf_tool *tool, 2394 union perf_event *event, 2395 struct perf_sample *sample, 2396 struct machine *machine) 2397 { 2398 if (perf_event__process_cgroup(tool, event, sample, machine) < 0) 2399 return -1; 2400 2401 return print_event(tool, event, sample, machine, sample->pid, 2402 sample->tid); 2403 } 2404 2405 static int process_fork_event(struct perf_tool *tool, 2406 union perf_event *event, 2407 struct perf_sample *sample, 2408 struct machine *machine) 2409 { 2410 if (perf_event__process_fork(tool, event, sample, machine) < 0) 2411 return -1; 2412 2413 return print_event_with_time(tool, event, sample, machine, 2414 event->fork.pid, event->fork.tid, 2415 event->fork.time); 2416 } 2417 static int process_exit_event(struct perf_tool *tool, 2418 union perf_event *event, 2419 struct perf_sample *sample, 2420 struct machine *machine) 2421 { 2422 /* Print before 'exit' deletes anything */ 2423 if (print_event_with_time(tool, event, sample, machine, event->fork.pid, 2424 event->fork.tid, event->fork.time)) 2425 return -1; 2426 2427 return perf_event__process_exit(tool, event, sample, machine); 2428 } 2429 2430 static int process_mmap_event(struct perf_tool *tool, 2431 union perf_event *event, 2432 struct perf_sample *sample, 2433 struct machine *machine) 2434 { 2435 if (perf_event__process_mmap(tool, event, sample, machine) < 0) 2436 return -1; 2437 2438 return print_event(tool, event, sample, machine, event->mmap.pid, 2439 event->mmap.tid); 2440 } 2441 2442 static int process_mmap2_event(struct perf_tool *tool, 2443 union perf_event *event, 2444 struct perf_sample *sample, 2445 struct machine *machine) 2446 { 2447 if (perf_event__process_mmap2(tool, event, sample, machine) < 0) 2448 return -1; 2449 2450 return print_event(tool, event, sample, machine, event->mmap2.pid, 2451 event->mmap2.tid); 2452 } 2453 2454 static int process_switch_event(struct perf_tool *tool, 2455 union perf_event *event, 2456 struct perf_sample *sample, 2457 struct machine *machine) 2458 { 2459 struct perf_script *script = container_of(tool, struct perf_script, tool); 2460 2461 if (perf_event__process_switch(tool, event, sample, machine) < 0) 2462 return -1; 2463 2464 if (scripting_ops && scripting_ops->process_switch) 2465 scripting_ops->process_switch(event, sample, machine); 2466 2467 if (!script->show_switch_events) 2468 return 0; 2469 2470 return print_event(tool, event, sample, machine, sample->pid, 2471 sample->tid); 2472 } 2473 2474 static int process_auxtrace_error(struct perf_session *session, 2475 union perf_event *event) 2476 { 2477 if (scripting_ops && scripting_ops->process_auxtrace_error) { 2478 scripting_ops->process_auxtrace_error(session, event); 2479 return 0; 2480 } 2481 2482 return perf_event__process_auxtrace_error(session, event); 2483 } 2484 2485 static int 2486 process_lost_event(struct perf_tool *tool, 2487 union perf_event *event, 2488 struct perf_sample *sample, 2489 struct machine *machine) 2490 { 2491 return print_event(tool, event, sample, machine, sample->pid, 2492 sample->tid); 2493 } 2494 2495 static int 2496 process_throttle_event(struct perf_tool *tool __maybe_unused, 2497 union perf_event *event, 2498 struct perf_sample *sample, 2499 struct machine *machine) 2500 { 2501 if (scripting_ops && scripting_ops->process_throttle) 2502 scripting_ops->process_throttle(event, sample, machine); 2503 return 0; 2504 } 2505 2506 static int 2507 process_finished_round_event(struct perf_tool *tool __maybe_unused, 2508 union perf_event *event, 2509 struct ordered_events *oe __maybe_unused) 2510 2511 { 2512 perf_event__fprintf(event, NULL, stdout); 2513 return 0; 2514 } 2515 2516 static int 2517 process_bpf_events(struct perf_tool *tool __maybe_unused, 2518 union perf_event *event, 2519 struct perf_sample *sample, 2520 struct machine *machine) 2521 { 2522 if (machine__process_ksymbol(machine, event, sample) < 0) 2523 return -1; 2524 2525 return print_event(tool, event, sample, machine, sample->pid, 2526 sample->tid); 2527 } 2528 2529 static int process_text_poke_events(struct perf_tool *tool, 2530 union perf_event *event, 2531 struct perf_sample *sample, 2532 struct machine *machine) 2533 { 2534 if (perf_event__process_text_poke(tool, event, sample, machine) < 0) 2535 return -1; 2536 2537 return print_event(tool, event, sample, machine, sample->pid, 2538 sample->tid); 2539 } 2540 2541 static void sig_handler(int sig __maybe_unused) 2542 { 2543 session_done = 1; 2544 } 2545 2546 static void perf_script__fclose_per_event_dump(struct perf_script *script) 2547 { 2548 struct evlist *evlist = script->session->evlist; 2549 struct evsel *evsel; 2550 2551 evlist__for_each_entry(evlist, evsel) { 2552 if (!evsel->priv) 2553 break; 2554 evsel_script__delete(evsel->priv); 2555 evsel->priv = NULL; 2556 } 2557 } 2558 2559 static int perf_script__fopen_per_event_dump(struct perf_script *script) 2560 { 2561 struct evsel *evsel; 2562 2563 evlist__for_each_entry(script->session->evlist, evsel) { 2564 /* 2565 * Already setup? I.e. we may be called twice in cases like 2566 * Intel PT, one for the intel_pt// and dummy events, then 2567 * for the evsels synthesized from the auxtrace info. 2568 * 2569 * Ses perf_script__process_auxtrace_info. 2570 */ 2571 if (evsel->priv != NULL) 2572 continue; 2573 2574 evsel->priv = evsel_script__new(evsel, script->session->data); 2575 if (evsel->priv == NULL) 2576 goto out_err_fclose; 2577 } 2578 2579 return 0; 2580 2581 out_err_fclose: 2582 perf_script__fclose_per_event_dump(script); 2583 return -1; 2584 } 2585 2586 static int perf_script__setup_per_event_dump(struct perf_script *script) 2587 { 2588 struct evsel *evsel; 2589 static struct evsel_script es_stdout; 2590 2591 if (script->per_event_dump) 2592 return perf_script__fopen_per_event_dump(script); 2593 2594 es_stdout.fp = stdout; 2595 2596 evlist__for_each_entry(script->session->evlist, evsel) 2597 evsel->priv = &es_stdout; 2598 2599 return 0; 2600 } 2601 2602 static void perf_script__exit_per_event_dump_stats(struct perf_script *script) 2603 { 2604 struct evsel *evsel; 2605 2606 evlist__for_each_entry(script->session->evlist, evsel) { 2607 struct evsel_script *es = evsel->priv; 2608 2609 evsel_script__fprintf(es, stdout); 2610 evsel_script__delete(es); 2611 evsel->priv = NULL; 2612 } 2613 } 2614 2615 static void perf_script__exit(struct perf_script *script) 2616 { 2617 perf_thread_map__put(script->threads); 2618 perf_cpu_map__put(script->cpus); 2619 } 2620 2621 static int __cmd_script(struct perf_script *script) 2622 { 2623 int ret; 2624 2625 signal(SIGINT, sig_handler); 2626 2627 perf_stat__init_shadow_stats(); 2628 2629 /* override event processing functions */ 2630 if (script->show_task_events) { 2631 script->tool.comm = process_comm_event; 2632 script->tool.fork = process_fork_event; 2633 script->tool.exit = process_exit_event; 2634 } 2635 if (script->show_mmap_events) { 2636 script->tool.mmap = process_mmap_event; 2637 script->tool.mmap2 = process_mmap2_event; 2638 } 2639 if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch)) 2640 script->tool.context_switch = process_switch_event; 2641 if (scripting_ops && scripting_ops->process_auxtrace_error) 2642 script->tool.auxtrace_error = process_auxtrace_error; 2643 if (script->show_namespace_events) 2644 script->tool.namespaces = process_namespaces_event; 2645 if (script->show_cgroup_events) 2646 script->tool.cgroup = process_cgroup_event; 2647 if (script->show_lost_events) 2648 script->tool.lost = process_lost_event; 2649 if (script->show_round_events) { 2650 script->tool.ordered_events = false; 2651 script->tool.finished_round = process_finished_round_event; 2652 } 2653 if (script->show_bpf_events) { 2654 script->tool.ksymbol = process_bpf_events; 2655 script->tool.bpf = process_bpf_events; 2656 } 2657 if (script->show_text_poke_events) { 2658 script->tool.ksymbol = process_bpf_events; 2659 script->tool.text_poke = process_text_poke_events; 2660 } 2661 2662 if (perf_script__setup_per_event_dump(script)) { 2663 pr_err("Couldn't create the per event dump files\n"); 2664 return -1; 2665 } 2666 2667 ret = perf_session__process_events(script->session); 2668 2669 if (script->per_event_dump) 2670 perf_script__exit_per_event_dump_stats(script); 2671 2672 if (debug_mode) 2673 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); 2674 2675 return ret; 2676 } 2677 2678 struct script_spec { 2679 struct list_head node; 2680 struct scripting_ops *ops; 2681 char spec[]; 2682 }; 2683 2684 static LIST_HEAD(script_specs); 2685 2686 static struct script_spec *script_spec__new(const char *spec, 2687 struct scripting_ops *ops) 2688 { 2689 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); 2690 2691 if (s != NULL) { 2692 strcpy(s->spec, spec); 2693 s->ops = ops; 2694 } 2695 2696 return s; 2697 } 2698 2699 static void script_spec__add(struct script_spec *s) 2700 { 2701 list_add_tail(&s->node, &script_specs); 2702 } 2703 2704 static struct script_spec *script_spec__find(const char *spec) 2705 { 2706 struct script_spec *s; 2707 2708 list_for_each_entry(s, &script_specs, node) 2709 if (strcasecmp(s->spec, spec) == 0) 2710 return s; 2711 return NULL; 2712 } 2713 2714 int script_spec_register(const char *spec, struct scripting_ops *ops) 2715 { 2716 struct script_spec *s; 2717 2718 s = script_spec__find(spec); 2719 if (s) 2720 return -1; 2721 2722 s = script_spec__new(spec, ops); 2723 if (!s) 2724 return -1; 2725 else 2726 script_spec__add(s); 2727 2728 return 0; 2729 } 2730 2731 static struct scripting_ops *script_spec__lookup(const char *spec) 2732 { 2733 struct script_spec *s = script_spec__find(spec); 2734 if (!s) 2735 return NULL; 2736 2737 return s->ops; 2738 } 2739 2740 static void list_available_languages(void) 2741 { 2742 struct script_spec *s; 2743 2744 fprintf(stderr, "\n"); 2745 fprintf(stderr, "Scripting language extensions (used in " 2746 "perf script -s [spec:]script.[spec]):\n\n"); 2747 2748 list_for_each_entry(s, &script_specs, node) 2749 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); 2750 2751 fprintf(stderr, "\n"); 2752 } 2753 2754 /* Find script file relative to current directory or exec path */ 2755 static char *find_script(const char *script) 2756 { 2757 char path[PATH_MAX]; 2758 2759 if (!scripting_ops) { 2760 const char *ext = strrchr(script, '.'); 2761 2762 if (!ext) 2763 return NULL; 2764 2765 scripting_ops = script_spec__lookup(++ext); 2766 if (!scripting_ops) 2767 return NULL; 2768 } 2769 2770 if (access(script, R_OK)) { 2771 char *exec_path = get_argv_exec_path(); 2772 2773 if (!exec_path) 2774 return NULL; 2775 snprintf(path, sizeof(path), "%s/scripts/%s/%s", 2776 exec_path, scripting_ops->dirname, script); 2777 free(exec_path); 2778 script = path; 2779 if (access(script, R_OK)) 2780 return NULL; 2781 } 2782 return strdup(script); 2783 } 2784 2785 static int parse_scriptname(const struct option *opt __maybe_unused, 2786 const char *str, int unset __maybe_unused) 2787 { 2788 char spec[PATH_MAX]; 2789 const char *script, *ext; 2790 int len; 2791 2792 if (strcmp(str, "lang") == 0) { 2793 list_available_languages(); 2794 exit(0); 2795 } 2796 2797 script = strchr(str, ':'); 2798 if (script) { 2799 len = script - str; 2800 if (len >= PATH_MAX) { 2801 fprintf(stderr, "invalid language specifier"); 2802 return -1; 2803 } 2804 strncpy(spec, str, len); 2805 spec[len] = '\0'; 2806 scripting_ops = script_spec__lookup(spec); 2807 if (!scripting_ops) { 2808 fprintf(stderr, "invalid language specifier"); 2809 return -1; 2810 } 2811 script++; 2812 } else { 2813 script = str; 2814 ext = strrchr(script, '.'); 2815 if (!ext) { 2816 fprintf(stderr, "invalid script extension"); 2817 return -1; 2818 } 2819 scripting_ops = script_spec__lookup(++ext); 2820 if (!scripting_ops) { 2821 fprintf(stderr, "invalid script extension"); 2822 return -1; 2823 } 2824 } 2825 2826 script_name = find_script(script); 2827 if (!script_name) 2828 script_name = strdup(script); 2829 2830 return 0; 2831 } 2832 2833 static int parse_output_fields(const struct option *opt __maybe_unused, 2834 const char *arg, int unset __maybe_unused) 2835 { 2836 char *tok, *strtok_saveptr = NULL; 2837 int i, imax = ARRAY_SIZE(all_output_options); 2838 int j; 2839 int rc = 0; 2840 char *str = strdup(arg); 2841 int type = -1; 2842 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT; 2843 2844 if (!str) 2845 return -ENOMEM; 2846 2847 /* first word can state for which event type the user is specifying 2848 * the fields. If no type exists, the specified fields apply to all 2849 * event types found in the file minus the invalid fields for a type. 2850 */ 2851 tok = strchr(str, ':'); 2852 if (tok) { 2853 *tok = '\0'; 2854 tok++; 2855 if (!strcmp(str, "hw")) 2856 type = PERF_TYPE_HARDWARE; 2857 else if (!strcmp(str, "sw")) 2858 type = PERF_TYPE_SOFTWARE; 2859 else if (!strcmp(str, "trace")) 2860 type = PERF_TYPE_TRACEPOINT; 2861 else if (!strcmp(str, "raw")) 2862 type = PERF_TYPE_RAW; 2863 else if (!strcmp(str, "break")) 2864 type = PERF_TYPE_BREAKPOINT; 2865 else if (!strcmp(str, "synth")) 2866 type = OUTPUT_TYPE_SYNTH; 2867 else { 2868 fprintf(stderr, "Invalid event type in field string.\n"); 2869 rc = -EINVAL; 2870 goto out; 2871 } 2872 2873 if (output[type].user_set) 2874 pr_warning("Overriding previous field request for %s events.\n", 2875 event_type(type)); 2876 2877 /* Don't override defaults for +- */ 2878 if (strchr(tok, '+') || strchr(tok, '-')) 2879 goto parse; 2880 2881 output[type].fields = 0; 2882 output[type].user_set = true; 2883 output[type].wildcard_set = false; 2884 2885 } else { 2886 tok = str; 2887 if (strlen(str) == 0) { 2888 fprintf(stderr, 2889 "Cannot set fields to 'none' for all event types.\n"); 2890 rc = -EINVAL; 2891 goto out; 2892 } 2893 2894 /* Don't override defaults for +- */ 2895 if (strchr(str, '+') || strchr(str, '-')) 2896 goto parse; 2897 2898 if (output_set_by_user()) 2899 pr_warning("Overriding previous field request for all events.\n"); 2900 2901 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 2902 output[j].fields = 0; 2903 output[j].user_set = true; 2904 output[j].wildcard_set = true; 2905 } 2906 } 2907 2908 parse: 2909 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) { 2910 if (*tok == '+') { 2911 if (change == SET) 2912 goto out_badmix; 2913 change = ADD; 2914 tok++; 2915 } else if (*tok == '-') { 2916 if (change == SET) 2917 goto out_badmix; 2918 change = REMOVE; 2919 tok++; 2920 } else { 2921 if (change != SET && change != DEFAULT) 2922 goto out_badmix; 2923 change = SET; 2924 } 2925 2926 for (i = 0; i < imax; ++i) { 2927 if (strcmp(tok, all_output_options[i].str) == 0) 2928 break; 2929 } 2930 if (i == imax && strcmp(tok, "flags") == 0) { 2931 print_flags = change != REMOVE; 2932 continue; 2933 } 2934 if (i == imax) { 2935 fprintf(stderr, "Invalid field requested.\n"); 2936 rc = -EINVAL; 2937 goto out; 2938 } 2939 2940 if (type == -1) { 2941 /* add user option to all events types for 2942 * which it is valid 2943 */ 2944 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 2945 if (output[j].invalid_fields & all_output_options[i].field) { 2946 pr_warning("\'%s\' not valid for %s events. Ignoring.\n", 2947 all_output_options[i].str, event_type(j)); 2948 } else { 2949 if (change == REMOVE) { 2950 output[j].fields &= ~all_output_options[i].field; 2951 output[j].user_set_fields &= ~all_output_options[i].field; 2952 output[j].user_unset_fields |= all_output_options[i].field; 2953 } else { 2954 output[j].fields |= all_output_options[i].field; 2955 output[j].user_set_fields |= all_output_options[i].field; 2956 output[j].user_unset_fields &= ~all_output_options[i].field; 2957 } 2958 output[j].user_set = true; 2959 output[j].wildcard_set = true; 2960 } 2961 } 2962 } else { 2963 if (output[type].invalid_fields & all_output_options[i].field) { 2964 fprintf(stderr, "\'%s\' not valid for %s events.\n", 2965 all_output_options[i].str, event_type(type)); 2966 2967 rc = -EINVAL; 2968 goto out; 2969 } 2970 if (change == REMOVE) 2971 output[type].fields &= ~all_output_options[i].field; 2972 else 2973 output[type].fields |= all_output_options[i].field; 2974 output[type].user_set = true; 2975 output[type].wildcard_set = true; 2976 } 2977 } 2978 2979 if (type >= 0) { 2980 if (output[type].fields == 0) { 2981 pr_debug("No fields requested for %s type. " 2982 "Events will not be displayed.\n", event_type(type)); 2983 } 2984 } 2985 goto out; 2986 2987 out_badmix: 2988 fprintf(stderr, "Cannot mix +-field with overridden fields\n"); 2989 rc = -EINVAL; 2990 out: 2991 free(str); 2992 return rc; 2993 } 2994 2995 #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \ 2996 while ((lang_dirent = readdir(scripts_dir)) != NULL) \ 2997 if ((lang_dirent->d_type == DT_DIR || \ 2998 (lang_dirent->d_type == DT_UNKNOWN && \ 2999 is_directory(scripts_path, lang_dirent))) && \ 3000 (strcmp(lang_dirent->d_name, ".")) && \ 3001 (strcmp(lang_dirent->d_name, ".."))) 3002 3003 #define for_each_script(lang_path, lang_dir, script_dirent) \ 3004 while ((script_dirent = readdir(lang_dir)) != NULL) \ 3005 if (script_dirent->d_type != DT_DIR && \ 3006 (script_dirent->d_type != DT_UNKNOWN || \ 3007 !is_directory(lang_path, script_dirent))) 3008 3009 3010 #define RECORD_SUFFIX "-record" 3011 #define REPORT_SUFFIX "-report" 3012 3013 struct script_desc { 3014 struct list_head node; 3015 char *name; 3016 char *half_liner; 3017 char *args; 3018 }; 3019 3020 static LIST_HEAD(script_descs); 3021 3022 static struct script_desc *script_desc__new(const char *name) 3023 { 3024 struct script_desc *s = zalloc(sizeof(*s)); 3025 3026 if (s != NULL && name) 3027 s->name = strdup(name); 3028 3029 return s; 3030 } 3031 3032 static void script_desc__delete(struct script_desc *s) 3033 { 3034 zfree(&s->name); 3035 zfree(&s->half_liner); 3036 zfree(&s->args); 3037 free(s); 3038 } 3039 3040 static void script_desc__add(struct script_desc *s) 3041 { 3042 list_add_tail(&s->node, &script_descs); 3043 } 3044 3045 static struct script_desc *script_desc__find(const char *name) 3046 { 3047 struct script_desc *s; 3048 3049 list_for_each_entry(s, &script_descs, node) 3050 if (strcasecmp(s->name, name) == 0) 3051 return s; 3052 return NULL; 3053 } 3054 3055 static struct script_desc *script_desc__findnew(const char *name) 3056 { 3057 struct script_desc *s = script_desc__find(name); 3058 3059 if (s) 3060 return s; 3061 3062 s = script_desc__new(name); 3063 if (!s) 3064 return NULL; 3065 3066 script_desc__add(s); 3067 3068 return s; 3069 } 3070 3071 static const char *ends_with(const char *str, const char *suffix) 3072 { 3073 size_t suffix_len = strlen(suffix); 3074 const char *p = str; 3075 3076 if (strlen(str) > suffix_len) { 3077 p = str + strlen(str) - suffix_len; 3078 if (!strncmp(p, suffix, suffix_len)) 3079 return p; 3080 } 3081 3082 return NULL; 3083 } 3084 3085 static int read_script_info(struct script_desc *desc, const char *filename) 3086 { 3087 char line[BUFSIZ], *p; 3088 FILE *fp; 3089 3090 fp = fopen(filename, "r"); 3091 if (!fp) 3092 return -1; 3093 3094 while (fgets(line, sizeof(line), fp)) { 3095 p = skip_spaces(line); 3096 if (strlen(p) == 0) 3097 continue; 3098 if (*p != '#') 3099 continue; 3100 p++; 3101 if (strlen(p) && *p == '!') 3102 continue; 3103 3104 p = skip_spaces(p); 3105 if (strlen(p) && p[strlen(p) - 1] == '\n') 3106 p[strlen(p) - 1] = '\0'; 3107 3108 if (!strncmp(p, "description:", strlen("description:"))) { 3109 p += strlen("description:"); 3110 desc->half_liner = strdup(skip_spaces(p)); 3111 continue; 3112 } 3113 3114 if (!strncmp(p, "args:", strlen("args:"))) { 3115 p += strlen("args:"); 3116 desc->args = strdup(skip_spaces(p)); 3117 continue; 3118 } 3119 } 3120 3121 fclose(fp); 3122 3123 return 0; 3124 } 3125 3126 static char *get_script_root(struct dirent *script_dirent, const char *suffix) 3127 { 3128 char *script_root, *str; 3129 3130 script_root = strdup(script_dirent->d_name); 3131 if (!script_root) 3132 return NULL; 3133 3134 str = (char *)ends_with(script_root, suffix); 3135 if (!str) { 3136 free(script_root); 3137 return NULL; 3138 } 3139 3140 *str = '\0'; 3141 return script_root; 3142 } 3143 3144 static int list_available_scripts(const struct option *opt __maybe_unused, 3145 const char *s __maybe_unused, 3146 int unset __maybe_unused) 3147 { 3148 struct dirent *script_dirent, *lang_dirent; 3149 char scripts_path[MAXPATHLEN]; 3150 DIR *scripts_dir, *lang_dir; 3151 char script_path[MAXPATHLEN]; 3152 char lang_path[MAXPATHLEN]; 3153 struct script_desc *desc; 3154 char first_half[BUFSIZ]; 3155 char *script_root; 3156 3157 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3158 3159 scripts_dir = opendir(scripts_path); 3160 if (!scripts_dir) { 3161 fprintf(stdout, 3162 "open(%s) failed.\n" 3163 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n", 3164 scripts_path); 3165 exit(-1); 3166 } 3167 3168 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3169 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3170 lang_dirent->d_name); 3171 lang_dir = opendir(lang_path); 3172 if (!lang_dir) 3173 continue; 3174 3175 for_each_script(lang_path, lang_dir, script_dirent) { 3176 script_root = get_script_root(script_dirent, REPORT_SUFFIX); 3177 if (script_root) { 3178 desc = script_desc__findnew(script_root); 3179 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3180 lang_path, script_dirent->d_name); 3181 read_script_info(desc, script_path); 3182 free(script_root); 3183 } 3184 } 3185 } 3186 3187 fprintf(stdout, "List of available trace scripts:\n"); 3188 list_for_each_entry(desc, &script_descs, node) { 3189 sprintf(first_half, "%s %s", desc->name, 3190 desc->args ? desc->args : ""); 3191 fprintf(stdout, " %-36s %s\n", first_half, 3192 desc->half_liner ? desc->half_liner : ""); 3193 } 3194 3195 exit(0); 3196 } 3197 3198 static int add_dlarg(const struct option *opt __maybe_unused, 3199 const char *s, int unset __maybe_unused) 3200 { 3201 char *arg = strdup(s); 3202 void *a; 3203 3204 if (!arg) 3205 return -1; 3206 3207 a = realloc(dlargv, sizeof(dlargv[0]) * (dlargc + 1)); 3208 if (!a) { 3209 free(arg); 3210 return -1; 3211 } 3212 3213 dlargv = a; 3214 dlargv[dlargc++] = arg; 3215 3216 return 0; 3217 } 3218 3219 static void free_dlarg(void) 3220 { 3221 while (dlargc--) 3222 free(dlargv[dlargc]); 3223 free(dlargv); 3224 } 3225 3226 /* 3227 * Some scripts specify the required events in their "xxx-record" file, 3228 * this function will check if the events in perf.data match those 3229 * mentioned in the "xxx-record". 3230 * 3231 * Fixme: All existing "xxx-record" are all in good formats "-e event ", 3232 * which is covered well now. And new parsing code should be added to 3233 * cover the future complex formats like event groups etc. 3234 */ 3235 static int check_ev_match(char *dir_name, char *scriptname, 3236 struct perf_session *session) 3237 { 3238 char filename[MAXPATHLEN], evname[128]; 3239 char line[BUFSIZ], *p; 3240 struct evsel *pos; 3241 int match, len; 3242 FILE *fp; 3243 3244 scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname); 3245 3246 fp = fopen(filename, "r"); 3247 if (!fp) 3248 return -1; 3249 3250 while (fgets(line, sizeof(line), fp)) { 3251 p = skip_spaces(line); 3252 if (*p == '#') 3253 continue; 3254 3255 while (strlen(p)) { 3256 p = strstr(p, "-e"); 3257 if (!p) 3258 break; 3259 3260 p += 2; 3261 p = skip_spaces(p); 3262 len = strcspn(p, " \t"); 3263 if (!len) 3264 break; 3265 3266 snprintf(evname, len + 1, "%s", p); 3267 3268 match = 0; 3269 evlist__for_each_entry(session->evlist, pos) { 3270 if (!strcmp(evsel__name(pos), evname)) { 3271 match = 1; 3272 break; 3273 } 3274 } 3275 3276 if (!match) { 3277 fclose(fp); 3278 return -1; 3279 } 3280 } 3281 } 3282 3283 fclose(fp); 3284 return 0; 3285 } 3286 3287 /* 3288 * Return -1 if none is found, otherwise the actual scripts number. 3289 * 3290 * Currently the only user of this function is the script browser, which 3291 * will list all statically runnable scripts, select one, execute it and 3292 * show the output in a perf browser. 3293 */ 3294 int find_scripts(char **scripts_array, char **scripts_path_array, int num, 3295 int pathlen) 3296 { 3297 struct dirent *script_dirent, *lang_dirent; 3298 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; 3299 DIR *scripts_dir, *lang_dir; 3300 struct perf_session *session; 3301 struct perf_data data = { 3302 .path = input_name, 3303 .mode = PERF_DATA_MODE_READ, 3304 }; 3305 char *temp; 3306 int i = 0; 3307 3308 session = perf_session__new(&data, NULL); 3309 if (IS_ERR(session)) 3310 return PTR_ERR(session); 3311 3312 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3313 3314 scripts_dir = opendir(scripts_path); 3315 if (!scripts_dir) { 3316 perf_session__delete(session); 3317 return -1; 3318 } 3319 3320 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3321 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, 3322 lang_dirent->d_name); 3323 #ifndef HAVE_LIBPERL_SUPPORT 3324 if (strstr(lang_path, "perl")) 3325 continue; 3326 #endif 3327 #ifndef HAVE_LIBPYTHON_SUPPORT 3328 if (strstr(lang_path, "python")) 3329 continue; 3330 #endif 3331 3332 lang_dir = opendir(lang_path); 3333 if (!lang_dir) 3334 continue; 3335 3336 for_each_script(lang_path, lang_dir, script_dirent) { 3337 /* Skip those real time scripts: xxxtop.p[yl] */ 3338 if (strstr(script_dirent->d_name, "top.")) 3339 continue; 3340 if (i >= num) 3341 break; 3342 snprintf(scripts_path_array[i], pathlen, "%s/%s", 3343 lang_path, 3344 script_dirent->d_name); 3345 temp = strchr(script_dirent->d_name, '.'); 3346 snprintf(scripts_array[i], 3347 (temp - script_dirent->d_name) + 1, 3348 "%s", script_dirent->d_name); 3349 3350 if (check_ev_match(lang_path, 3351 scripts_array[i], session)) 3352 continue; 3353 3354 i++; 3355 } 3356 closedir(lang_dir); 3357 } 3358 3359 closedir(scripts_dir); 3360 perf_session__delete(session); 3361 return i; 3362 } 3363 3364 static char *get_script_path(const char *script_root, const char *suffix) 3365 { 3366 struct dirent *script_dirent, *lang_dirent; 3367 char scripts_path[MAXPATHLEN]; 3368 char script_path[MAXPATHLEN]; 3369 DIR *scripts_dir, *lang_dir; 3370 char lang_path[MAXPATHLEN]; 3371 char *__script_root; 3372 3373 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3374 3375 scripts_dir = opendir(scripts_path); 3376 if (!scripts_dir) 3377 return NULL; 3378 3379 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3380 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3381 lang_dirent->d_name); 3382 lang_dir = opendir(lang_path); 3383 if (!lang_dir) 3384 continue; 3385 3386 for_each_script(lang_path, lang_dir, script_dirent) { 3387 __script_root = get_script_root(script_dirent, suffix); 3388 if (__script_root && !strcmp(script_root, __script_root)) { 3389 free(__script_root); 3390 closedir(scripts_dir); 3391 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3392 lang_path, script_dirent->d_name); 3393 closedir(lang_dir); 3394 return strdup(script_path); 3395 } 3396 free(__script_root); 3397 } 3398 closedir(lang_dir); 3399 } 3400 closedir(scripts_dir); 3401 3402 return NULL; 3403 } 3404 3405 static bool is_top_script(const char *script_path) 3406 { 3407 return ends_with(script_path, "top") != NULL; 3408 } 3409 3410 static int has_required_arg(char *script_path) 3411 { 3412 struct script_desc *desc; 3413 int n_args = 0; 3414 char *p; 3415 3416 desc = script_desc__new(NULL); 3417 3418 if (read_script_info(desc, script_path)) 3419 goto out; 3420 3421 if (!desc->args) 3422 goto out; 3423 3424 for (p = desc->args; *p; p++) 3425 if (*p == '<') 3426 n_args++; 3427 out: 3428 script_desc__delete(desc); 3429 3430 return n_args; 3431 } 3432 3433 static int have_cmd(int argc, const char **argv) 3434 { 3435 char **__argv = malloc(sizeof(const char *) * argc); 3436 3437 if (!__argv) { 3438 pr_err("malloc failed\n"); 3439 return -1; 3440 } 3441 3442 memcpy(__argv, argv, sizeof(const char *) * argc); 3443 argc = parse_options(argc, (const char **)__argv, record_options, 3444 NULL, PARSE_OPT_STOP_AT_NON_OPTION); 3445 free(__argv); 3446 3447 system_wide = (argc == 0); 3448 3449 return 0; 3450 } 3451 3452 static void script__setup_sample_type(struct perf_script *script) 3453 { 3454 struct perf_session *session = script->session; 3455 u64 sample_type = evlist__combined_sample_type(session->evlist); 3456 3457 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) { 3458 if ((sample_type & PERF_SAMPLE_REGS_USER) && 3459 (sample_type & PERF_SAMPLE_STACK_USER)) { 3460 callchain_param.record_mode = CALLCHAIN_DWARF; 3461 dwarf_callchain_users = true; 3462 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK) 3463 callchain_param.record_mode = CALLCHAIN_LBR; 3464 else 3465 callchain_param.record_mode = CALLCHAIN_FP; 3466 } 3467 3468 if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) { 3469 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n" 3470 "Please apply --call-graph lbr when recording.\n"); 3471 script->stitch_lbr = false; 3472 } 3473 } 3474 3475 static int process_stat_round_event(struct perf_session *session, 3476 union perf_event *event) 3477 { 3478 struct perf_record_stat_round *round = &event->stat_round; 3479 struct evsel *counter; 3480 3481 evlist__for_each_entry(session->evlist, counter) { 3482 perf_stat_process_counter(&stat_config, counter); 3483 process_stat(counter, round->time); 3484 } 3485 3486 process_stat_interval(round->time); 3487 return 0; 3488 } 3489 3490 static int process_stat_config_event(struct perf_session *session __maybe_unused, 3491 union perf_event *event) 3492 { 3493 perf_event__read_stat_config(&stat_config, &event->stat_config); 3494 return 0; 3495 } 3496 3497 static int set_maps(struct perf_script *script) 3498 { 3499 struct evlist *evlist = script->session->evlist; 3500 3501 if (!script->cpus || !script->threads) 3502 return 0; 3503 3504 if (WARN_ONCE(script->allocated, "stats double allocation\n")) 3505 return -EINVAL; 3506 3507 perf_evlist__set_maps(&evlist->core, script->cpus, script->threads); 3508 3509 if (evlist__alloc_stats(evlist, true)) 3510 return -ENOMEM; 3511 3512 script->allocated = true; 3513 return 0; 3514 } 3515 3516 static 3517 int process_thread_map_event(struct perf_session *session, 3518 union perf_event *event) 3519 { 3520 struct perf_tool *tool = session->tool; 3521 struct perf_script *script = container_of(tool, struct perf_script, tool); 3522 3523 if (script->threads) { 3524 pr_warning("Extra thread map event, ignoring.\n"); 3525 return 0; 3526 } 3527 3528 script->threads = thread_map__new_event(&event->thread_map); 3529 if (!script->threads) 3530 return -ENOMEM; 3531 3532 return set_maps(script); 3533 } 3534 3535 static 3536 int process_cpu_map_event(struct perf_session *session, 3537 union perf_event *event) 3538 { 3539 struct perf_tool *tool = session->tool; 3540 struct perf_script *script = container_of(tool, struct perf_script, tool); 3541 3542 if (script->cpus) { 3543 pr_warning("Extra cpu map event, ignoring.\n"); 3544 return 0; 3545 } 3546 3547 script->cpus = cpu_map__new_data(&event->cpu_map.data); 3548 if (!script->cpus) 3549 return -ENOMEM; 3550 3551 return set_maps(script); 3552 } 3553 3554 static int process_feature_event(struct perf_session *session, 3555 union perf_event *event) 3556 { 3557 if (event->feat.feat_id < HEADER_LAST_FEATURE) 3558 return perf_event__process_feature(session, event); 3559 return 0; 3560 } 3561 3562 #ifdef HAVE_AUXTRACE_SUPPORT 3563 static int perf_script__process_auxtrace_info(struct perf_session *session, 3564 union perf_event *event) 3565 { 3566 struct perf_tool *tool = session->tool; 3567 3568 int ret = perf_event__process_auxtrace_info(session, event); 3569 3570 if (ret == 0) { 3571 struct perf_script *script = container_of(tool, struct perf_script, tool); 3572 3573 ret = perf_script__setup_per_event_dump(script); 3574 } 3575 3576 return ret; 3577 } 3578 #else 3579 #define perf_script__process_auxtrace_info 0 3580 #endif 3581 3582 static int parse_insn_trace(const struct option *opt __maybe_unused, 3583 const char *str __maybe_unused, 3584 int unset __maybe_unused) 3585 { 3586 parse_output_fields(NULL, "+insn,-event,-period", 0); 3587 itrace_parse_synth_opts(opt, "i0ns", 0); 3588 symbol_conf.nanosecs = true; 3589 return 0; 3590 } 3591 3592 static int parse_xed(const struct option *opt __maybe_unused, 3593 const char *str __maybe_unused, 3594 int unset __maybe_unused) 3595 { 3596 if (isatty(1)) 3597 force_pager("xed -F insn: -A -64 | less"); 3598 else 3599 force_pager("xed -F insn: -A -64"); 3600 return 0; 3601 } 3602 3603 static int parse_call_trace(const struct option *opt __maybe_unused, 3604 const char *str __maybe_unused, 3605 int unset __maybe_unused) 3606 { 3607 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0); 3608 itrace_parse_synth_opts(opt, "cewp", 0); 3609 symbol_conf.nanosecs = true; 3610 symbol_conf.pad_output_len_dso = 50; 3611 return 0; 3612 } 3613 3614 static int parse_callret_trace(const struct option *opt __maybe_unused, 3615 const char *str __maybe_unused, 3616 int unset __maybe_unused) 3617 { 3618 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0); 3619 itrace_parse_synth_opts(opt, "crewp", 0); 3620 symbol_conf.nanosecs = true; 3621 return 0; 3622 } 3623 3624 int cmd_script(int argc, const char **argv) 3625 { 3626 bool show_full_info = false; 3627 bool header = false; 3628 bool header_only = false; 3629 bool script_started = false; 3630 char *rec_script_path = NULL; 3631 char *rep_script_path = NULL; 3632 struct perf_session *session; 3633 struct itrace_synth_opts itrace_synth_opts = { 3634 .set = false, 3635 .default_no_sample = true, 3636 }; 3637 struct utsname uts; 3638 char *script_path = NULL; 3639 const char *dlfilter_file = NULL; 3640 const char **__argv; 3641 int i, j, err = 0; 3642 struct perf_script script = { 3643 .tool = { 3644 .sample = process_sample_event, 3645 .mmap = perf_event__process_mmap, 3646 .mmap2 = perf_event__process_mmap2, 3647 .comm = perf_event__process_comm, 3648 .namespaces = perf_event__process_namespaces, 3649 .cgroup = perf_event__process_cgroup, 3650 .exit = perf_event__process_exit, 3651 .fork = perf_event__process_fork, 3652 .attr = process_attr, 3653 .event_update = perf_event__process_event_update, 3654 .tracing_data = perf_event__process_tracing_data, 3655 .feature = process_feature_event, 3656 .build_id = perf_event__process_build_id, 3657 .id_index = perf_event__process_id_index, 3658 .auxtrace_info = perf_script__process_auxtrace_info, 3659 .auxtrace = perf_event__process_auxtrace, 3660 .auxtrace_error = perf_event__process_auxtrace_error, 3661 .stat = perf_event__process_stat_event, 3662 .stat_round = process_stat_round_event, 3663 .stat_config = process_stat_config_event, 3664 .thread_map = process_thread_map_event, 3665 .cpu_map = process_cpu_map_event, 3666 .throttle = process_throttle_event, 3667 .unthrottle = process_throttle_event, 3668 .ordered_events = true, 3669 .ordering_requires_timestamps = true, 3670 }, 3671 }; 3672 struct perf_data data = { 3673 .mode = PERF_DATA_MODE_READ, 3674 }; 3675 const struct option options[] = { 3676 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 3677 "dump raw trace in ASCII"), 3678 OPT_INCR('v', "verbose", &verbose, 3679 "be more verbose (show symbol address, etc)"), 3680 OPT_BOOLEAN('L', "Latency", &latency_format, 3681 "show latency attributes (irqs/preemption disabled, etc)"), 3682 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", 3683 list_available_scripts), 3684 OPT_CALLBACK_NOOPT(0, "list-dlfilters", NULL, NULL, "list available dlfilters", 3685 list_available_dlfilters), 3686 OPT_CALLBACK('s', "script", NULL, "name", 3687 "script file name (lang:script name, script name, or *)", 3688 parse_scriptname), 3689 OPT_STRING('g', "gen-script", &generate_script_lang, "lang", 3690 "generate perf-script.xx script in specified language"), 3691 OPT_STRING(0, "dlfilter", &dlfilter_file, "file", "filter .so file name"), 3692 OPT_CALLBACK(0, "dlarg", NULL, "argument", "filter argument", 3693 add_dlarg), 3694 OPT_STRING('i', "input", &input_name, "file", "input file name"), 3695 OPT_BOOLEAN('d', "debug-mode", &debug_mode, 3696 "do various checks like samples ordering and lost events"), 3697 OPT_BOOLEAN(0, "header", &header, "Show data header."), 3698 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."), 3699 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 3700 "file", "vmlinux pathname"), 3701 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 3702 "file", "kallsyms pathname"), 3703 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, 3704 "When printing symbols do not display call chain"), 3705 OPT_CALLBACK(0, "symfs", NULL, "directory", 3706 "Look for files with symbols relative to this directory", 3707 symbol__config_symfs), 3708 OPT_CALLBACK('F', "fields", NULL, "str", 3709 "comma separated output fields prepend with 'type:'. " 3710 "+field to add and -field to remove." 3711 "Valid types: hw,sw,trace,raw,synth. " 3712 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso," 3713 "addr,symoff,srcline,period,iregs,uregs,brstack," 3714 "brstacksym,flags,bpf-output,brstackinsn,brstackoff," 3715 "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc,tod," 3716 "data_page_size,code_page_size", 3717 parse_output_fields), 3718 OPT_BOOLEAN('a', "all-cpus", &system_wide, 3719 "system-wide collection from all CPUs"), 3720 OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", 3721 "only consider symbols in these DSOs"), 3722 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 3723 "only consider these symbols"), 3724 OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range, 3725 "Use with -S to list traced records within address range"), 3726 OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL, 3727 "Decode instructions from itrace", parse_insn_trace), 3728 OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL, 3729 "Run xed disassembler on output", parse_xed), 3730 OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL, 3731 "Decode calls from from itrace", parse_call_trace), 3732 OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL, 3733 "Decode calls and returns from itrace", parse_callret_trace), 3734 OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]", 3735 "Only print symbols and callees with --call-trace/--call-ret-trace"), 3736 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]", 3737 "Stop display of callgraph at these symbols"), 3738 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), 3739 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 3740 "only display events for these comms"), 3741 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 3742 "only consider symbols in these pids"), 3743 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 3744 "only consider symbols in these tids"), 3745 OPT_UINTEGER(0, "max-stack", &scripting_max_stack, 3746 "Set the maximum stack depth when parsing the callchain, " 3747 "anything beyond the specified depth will be ignored. " 3748 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 3749 OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"), 3750 OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"), 3751 OPT_BOOLEAN('I', "show-info", &show_full_info, 3752 "display extended information from perf.data file"), 3753 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, 3754 "Show the path of [kernel.kallsyms]"), 3755 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, 3756 "Show the fork/comm/exit events"), 3757 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, 3758 "Show the mmap events"), 3759 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events, 3760 "Show context switch events (if recorded)"), 3761 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events, 3762 "Show namespace events (if recorded)"), 3763 OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events, 3764 "Show cgroup events (if recorded)"), 3765 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events, 3766 "Show lost events (if recorded)"), 3767 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events, 3768 "Show round events (if recorded)"), 3769 OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events, 3770 "Show bpf related events (if recorded)"), 3771 OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events, 3772 "Show text poke related events (if recorded)"), 3773 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump, 3774 "Dump trace output to files named by the monitored events"), 3775 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 3776 OPT_INTEGER(0, "max-blocks", &max_blocks, 3777 "Maximum number of code blocks to dump with brstackinsn"), 3778 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, 3779 "Use 9 decimal places when displaying time"), 3780 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 3781 "Instruction Tracing options\n" ITRACE_HELP, 3782 itrace_parse_synth_opts), 3783 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 3784 "Show full source file name path for source lines"), 3785 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 3786 "Enable symbol demangling"), 3787 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 3788 "Enable kernel symbol demangling"), 3789 OPT_STRING(0, "time", &script.time_str, "str", 3790 "Time span of interest (start,stop)"), 3791 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 3792 "Show inline function"), 3793 OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory", 3794 "guest mount directory under which every guest os" 3795 " instance has a subdir"), 3796 OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name, 3797 "file", "file saving guest os vmlinux"), 3798 OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms, 3799 "file", "file saving guest os /proc/kallsyms"), 3800 OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules, 3801 "file", "file saving guest os /proc/modules"), 3802 OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr, 3803 "Enable LBR callgraph stitching approach"), 3804 OPTS_EVSWITCH(&script.evswitch), 3805 OPT_END() 3806 }; 3807 const char * const script_subcommands[] = { "record", "report", NULL }; 3808 const char *script_usage[] = { 3809 "perf script [<options>]", 3810 "perf script [<options>] record <script> [<record-options>] <command>", 3811 "perf script [<options>] report <script> [script-args]", 3812 "perf script [<options>] <script> [<record-options>] <command>", 3813 "perf script [<options>] <top-script> [script-args]", 3814 NULL 3815 }; 3816 3817 perf_set_singlethreaded(); 3818 3819 setup_scripting(); 3820 3821 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage, 3822 PARSE_OPT_STOP_AT_NON_OPTION); 3823 3824 if (symbol_conf.guestmount || 3825 symbol_conf.default_guest_vmlinux_name || 3826 symbol_conf.default_guest_kallsyms || 3827 symbol_conf.default_guest_modules) { 3828 /* 3829 * Enable guest sample processing. 3830 */ 3831 perf_guest = true; 3832 } 3833 3834 data.path = input_name; 3835 data.force = symbol_conf.force; 3836 3837 if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) { 3838 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); 3839 if (!rec_script_path) 3840 return cmd_record(argc, argv); 3841 } 3842 3843 if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) { 3844 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); 3845 if (!rep_script_path) { 3846 fprintf(stderr, 3847 "Please specify a valid report script" 3848 "(see 'perf script -l' for listing)\n"); 3849 return -1; 3850 } 3851 } 3852 3853 if (reltime && deltatime) { 3854 fprintf(stderr, 3855 "reltime and deltatime - the two don't get along well. " 3856 "Please limit to --reltime or --deltatime.\n"); 3857 return -1; 3858 } 3859 3860 if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) && 3861 itrace_synth_opts.callchain_sz > scripting_max_stack) 3862 scripting_max_stack = itrace_synth_opts.callchain_sz; 3863 3864 /* make sure PERF_EXEC_PATH is set for scripts */ 3865 set_argv_exec_path(get_argv_exec_path()); 3866 3867 if (argc && !script_name && !rec_script_path && !rep_script_path) { 3868 int live_pipe[2]; 3869 int rep_args; 3870 pid_t pid; 3871 3872 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); 3873 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); 3874 3875 if (!rec_script_path && !rep_script_path) { 3876 script_name = find_script(argv[0]); 3877 if (script_name) { 3878 argc -= 1; 3879 argv += 1; 3880 goto script_found; 3881 } 3882 usage_with_options_msg(script_usage, options, 3883 "Couldn't find script `%s'\n\n See perf" 3884 " script -l for available scripts.\n", argv[0]); 3885 } 3886 3887 if (is_top_script(argv[0])) { 3888 rep_args = argc - 1; 3889 } else { 3890 int rec_args; 3891 3892 rep_args = has_required_arg(rep_script_path); 3893 rec_args = (argc - 1) - rep_args; 3894 if (rec_args < 0) { 3895 usage_with_options_msg(script_usage, options, 3896 "`%s' script requires options." 3897 "\n\n See perf script -l for available " 3898 "scripts and options.\n", argv[0]); 3899 } 3900 } 3901 3902 if (pipe(live_pipe) < 0) { 3903 perror("failed to create pipe"); 3904 return -1; 3905 } 3906 3907 pid = fork(); 3908 if (pid < 0) { 3909 perror("failed to fork"); 3910 return -1; 3911 } 3912 3913 if (!pid) { 3914 j = 0; 3915 3916 dup2(live_pipe[1], 1); 3917 close(live_pipe[0]); 3918 3919 if (is_top_script(argv[0])) { 3920 system_wide = true; 3921 } else if (!system_wide) { 3922 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { 3923 err = -1; 3924 goto out; 3925 } 3926 } 3927 3928 __argv = malloc((argc + 6) * sizeof(const char *)); 3929 if (!__argv) { 3930 pr_err("malloc failed\n"); 3931 err = -ENOMEM; 3932 goto out; 3933 } 3934 3935 __argv[j++] = "/bin/sh"; 3936 __argv[j++] = rec_script_path; 3937 if (system_wide) 3938 __argv[j++] = "-a"; 3939 __argv[j++] = "-q"; 3940 __argv[j++] = "-o"; 3941 __argv[j++] = "-"; 3942 for (i = rep_args + 1; i < argc; i++) 3943 __argv[j++] = argv[i]; 3944 __argv[j++] = NULL; 3945 3946 execvp("/bin/sh", (char **)__argv); 3947 free(__argv); 3948 exit(-1); 3949 } 3950 3951 dup2(live_pipe[0], 0); 3952 close(live_pipe[1]); 3953 3954 __argv = malloc((argc + 4) * sizeof(const char *)); 3955 if (!__argv) { 3956 pr_err("malloc failed\n"); 3957 err = -ENOMEM; 3958 goto out; 3959 } 3960 3961 j = 0; 3962 __argv[j++] = "/bin/sh"; 3963 __argv[j++] = rep_script_path; 3964 for (i = 1; i < rep_args + 1; i++) 3965 __argv[j++] = argv[i]; 3966 __argv[j++] = "-i"; 3967 __argv[j++] = "-"; 3968 __argv[j++] = NULL; 3969 3970 execvp("/bin/sh", (char **)__argv); 3971 free(__argv); 3972 exit(-1); 3973 } 3974 script_found: 3975 if (rec_script_path) 3976 script_path = rec_script_path; 3977 if (rep_script_path) 3978 script_path = rep_script_path; 3979 3980 if (script_path) { 3981 j = 0; 3982 3983 if (!rec_script_path) 3984 system_wide = false; 3985 else if (!system_wide) { 3986 if (have_cmd(argc - 1, &argv[1]) != 0) { 3987 err = -1; 3988 goto out; 3989 } 3990 } 3991 3992 __argv = malloc((argc + 2) * sizeof(const char *)); 3993 if (!__argv) { 3994 pr_err("malloc failed\n"); 3995 err = -ENOMEM; 3996 goto out; 3997 } 3998 3999 __argv[j++] = "/bin/sh"; 4000 __argv[j++] = script_path; 4001 if (system_wide) 4002 __argv[j++] = "-a"; 4003 for (i = 2; i < argc; i++) 4004 __argv[j++] = argv[i]; 4005 __argv[j++] = NULL; 4006 4007 execvp("/bin/sh", (char **)__argv); 4008 free(__argv); 4009 exit(-1); 4010 } 4011 4012 if (dlfilter_file) { 4013 dlfilter = dlfilter__new(dlfilter_file, dlargc, dlargv); 4014 if (!dlfilter) 4015 return -1; 4016 } 4017 4018 if (!script_name) { 4019 setup_pager(); 4020 use_browser = 0; 4021 } 4022 4023 session = perf_session__new(&data, &script.tool); 4024 if (IS_ERR(session)) 4025 return PTR_ERR(session); 4026 4027 if (header || header_only) { 4028 script.tool.show_feat_hdr = SHOW_FEAT_HEADER; 4029 perf_session__fprintf_info(session, stdout, show_full_info); 4030 if (header_only) 4031 goto out_delete; 4032 } 4033 if (show_full_info) 4034 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 4035 4036 if (symbol__init(&session->header.env) < 0) 4037 goto out_delete; 4038 4039 uname(&uts); 4040 if (data.is_pipe || /* assume pipe_mode indicates native_arch */ 4041 !strcmp(uts.machine, session->header.env.arch) || 4042 (!strcmp(uts.machine, "x86_64") && 4043 !strcmp(session->header.env.arch, "i386"))) 4044 native_arch = true; 4045 4046 script.session = session; 4047 script__setup_sample_type(&script); 4048 4049 if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) || 4050 symbol_conf.graph_function) 4051 itrace_synth_opts.thread_stack = true; 4052 4053 session->itrace_synth_opts = &itrace_synth_opts; 4054 4055 if (cpu_list) { 4056 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap); 4057 if (err < 0) 4058 goto out_delete; 4059 itrace_synth_opts.cpu_bitmap = cpu_bitmap; 4060 } 4061 4062 if (!no_callchain) 4063 symbol_conf.use_callchain = true; 4064 else 4065 symbol_conf.use_callchain = false; 4066 4067 if (session->tevent.pevent && 4068 tep_set_function_resolver(session->tevent.pevent, 4069 machine__resolve_kernel_addr, 4070 &session->machines.host) < 0) { 4071 pr_err("%s: failed to set libtraceevent function resolver\n", __func__); 4072 err = -1; 4073 goto out_delete; 4074 } 4075 4076 if (generate_script_lang) { 4077 struct stat perf_stat; 4078 int input; 4079 4080 if (output_set_by_user()) { 4081 fprintf(stderr, 4082 "custom fields not supported for generated scripts"); 4083 err = -EINVAL; 4084 goto out_delete; 4085 } 4086 4087 input = open(data.path, O_RDONLY); /* input_name */ 4088 if (input < 0) { 4089 err = -errno; 4090 perror("failed to open file"); 4091 goto out_delete; 4092 } 4093 4094 err = fstat(input, &perf_stat); 4095 if (err < 0) { 4096 perror("failed to stat file"); 4097 goto out_delete; 4098 } 4099 4100 if (!perf_stat.st_size) { 4101 fprintf(stderr, "zero-sized file, nothing to do!\n"); 4102 goto out_delete; 4103 } 4104 4105 scripting_ops = script_spec__lookup(generate_script_lang); 4106 if (!scripting_ops) { 4107 fprintf(stderr, "invalid language specifier"); 4108 err = -ENOENT; 4109 goto out_delete; 4110 } 4111 4112 err = scripting_ops->generate_script(session->tevent.pevent, 4113 "perf-script"); 4114 goto out_delete; 4115 } 4116 4117 err = dlfilter__start(dlfilter, session); 4118 if (err) 4119 goto out_delete; 4120 4121 if (script_name) { 4122 err = scripting_ops->start_script(script_name, argc, argv, session); 4123 if (err) 4124 goto out_delete; 4125 pr_debug("perf script started with script %s\n\n", script_name); 4126 script_started = true; 4127 } 4128 4129 4130 err = perf_session__check_output_opt(session); 4131 if (err < 0) 4132 goto out_delete; 4133 4134 if (script.time_str) { 4135 err = perf_time__parse_for_ranges_reltime(script.time_str, session, 4136 &script.ptime_range, 4137 &script.range_size, 4138 &script.range_num, 4139 reltime); 4140 if (err < 0) 4141 goto out_delete; 4142 4143 itrace_synth_opts__set_time_range(&itrace_synth_opts, 4144 script.ptime_range, 4145 script.range_num); 4146 } 4147 4148 err = evswitch__init(&script.evswitch, session->evlist, stderr); 4149 if (err) 4150 goto out_delete; 4151 4152 if (zstd_init(&(session->zstd_data), 0) < 0) 4153 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n"); 4154 4155 err = __cmd_script(&script); 4156 4157 flush_scripting(); 4158 4159 out_delete: 4160 if (script.ptime_range) { 4161 itrace_synth_opts__clear_time_range(&itrace_synth_opts); 4162 zfree(&script.ptime_range); 4163 } 4164 4165 zstd_fini(&(session->zstd_data)); 4166 evlist__free_stats(session->evlist); 4167 perf_session__delete(session); 4168 perf_script__exit(&script); 4169 4170 if (script_started) 4171 cleanup_scripting(); 4172 dlfilter__cleanup(dlfilter); 4173 free_dlarg(); 4174 out: 4175 return err; 4176 } 4177