1 // SPDX-License-Identifier: GPL-2.0 2 #include "builtin.h" 3 4 #include "perf.h" 5 #include "util/cache.h" 6 #include "util/debug.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/symbol.h" 14 #include "util/thread.h" 15 #include "util/trace-event.h" 16 #include "util/util.h" 17 #include "util/evlist.h" 18 #include "util/evsel.h" 19 #include "util/sort.h" 20 #include "util/data.h" 21 #include "util/auxtrace.h" 22 #include "util/cpumap.h" 23 #include "util/thread_map.h" 24 #include "util/stat.h" 25 #include "util/color.h" 26 #include "util/string2.h" 27 #include "util/thread-stack.h" 28 #include "util/time-utils.h" 29 #include "util/path.h" 30 #include "print_binary.h" 31 #include <linux/bitmap.h> 32 #include <linux/kernel.h> 33 #include <linux/stringify.h> 34 #include <linux/time64.h> 35 #include "asm/bug.h" 36 #include "util/mem-events.h" 37 #include "util/dump-insn.h" 38 #include <dirent.h> 39 #include <errno.h> 40 #include <inttypes.h> 41 #include <signal.h> 42 #include <sys/param.h> 43 #include <sys/types.h> 44 #include <sys/stat.h> 45 #include <fcntl.h> 46 #include <unistd.h> 47 48 #include "sane_ctype.h" 49 50 static char const *script_name; 51 static char const *generate_script_lang; 52 static bool debug_mode; 53 static u64 last_timestamp; 54 static u64 nr_unordered; 55 static bool no_callchain; 56 static bool latency_format; 57 static bool system_wide; 58 static bool print_flags; 59 static bool nanosecs; 60 static const char *cpu_list; 61 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); 62 static struct perf_stat_config stat_config; 63 static int max_blocks; 64 65 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH; 66 67 enum perf_output_field { 68 PERF_OUTPUT_COMM = 1U << 0, 69 PERF_OUTPUT_TID = 1U << 1, 70 PERF_OUTPUT_PID = 1U << 2, 71 PERF_OUTPUT_TIME = 1U << 3, 72 PERF_OUTPUT_CPU = 1U << 4, 73 PERF_OUTPUT_EVNAME = 1U << 5, 74 PERF_OUTPUT_TRACE = 1U << 6, 75 PERF_OUTPUT_IP = 1U << 7, 76 PERF_OUTPUT_SYM = 1U << 8, 77 PERF_OUTPUT_DSO = 1U << 9, 78 PERF_OUTPUT_ADDR = 1U << 10, 79 PERF_OUTPUT_SYMOFFSET = 1U << 11, 80 PERF_OUTPUT_SRCLINE = 1U << 12, 81 PERF_OUTPUT_PERIOD = 1U << 13, 82 PERF_OUTPUT_IREGS = 1U << 14, 83 PERF_OUTPUT_BRSTACK = 1U << 15, 84 PERF_OUTPUT_BRSTACKSYM = 1U << 16, 85 PERF_OUTPUT_DATA_SRC = 1U << 17, 86 PERF_OUTPUT_WEIGHT = 1U << 18, 87 PERF_OUTPUT_BPF_OUTPUT = 1U << 19, 88 PERF_OUTPUT_CALLINDENT = 1U << 20, 89 PERF_OUTPUT_INSN = 1U << 21, 90 PERF_OUTPUT_INSNLEN = 1U << 22, 91 PERF_OUTPUT_BRSTACKINSN = 1U << 23, 92 PERF_OUTPUT_BRSTACKOFF = 1U << 24, 93 PERF_OUTPUT_SYNTH = 1U << 25, 94 PERF_OUTPUT_PHYS_ADDR = 1U << 26, 95 PERF_OUTPUT_UREGS = 1U << 27, 96 PERF_OUTPUT_METRIC = 1U << 28, 97 PERF_OUTPUT_MISC = 1U << 29, 98 }; 99 100 struct output_option { 101 const char *str; 102 enum perf_output_field field; 103 } all_output_options[] = { 104 {.str = "comm", .field = PERF_OUTPUT_COMM}, 105 {.str = "tid", .field = PERF_OUTPUT_TID}, 106 {.str = "pid", .field = PERF_OUTPUT_PID}, 107 {.str = "time", .field = PERF_OUTPUT_TIME}, 108 {.str = "cpu", .field = PERF_OUTPUT_CPU}, 109 {.str = "event", .field = PERF_OUTPUT_EVNAME}, 110 {.str = "trace", .field = PERF_OUTPUT_TRACE}, 111 {.str = "ip", .field = PERF_OUTPUT_IP}, 112 {.str = "sym", .field = PERF_OUTPUT_SYM}, 113 {.str = "dso", .field = PERF_OUTPUT_DSO}, 114 {.str = "addr", .field = PERF_OUTPUT_ADDR}, 115 {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET}, 116 {.str = "srcline", .field = PERF_OUTPUT_SRCLINE}, 117 {.str = "period", .field = PERF_OUTPUT_PERIOD}, 118 {.str = "iregs", .field = PERF_OUTPUT_IREGS}, 119 {.str = "uregs", .field = PERF_OUTPUT_UREGS}, 120 {.str = "brstack", .field = PERF_OUTPUT_BRSTACK}, 121 {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM}, 122 {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC}, 123 {.str = "weight", .field = PERF_OUTPUT_WEIGHT}, 124 {.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT}, 125 {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT}, 126 {.str = "insn", .field = PERF_OUTPUT_INSN}, 127 {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN}, 128 {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN}, 129 {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF}, 130 {.str = "synth", .field = PERF_OUTPUT_SYNTH}, 131 {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR}, 132 {.str = "metric", .field = PERF_OUTPUT_METRIC}, 133 {.str = "misc", .field = PERF_OUTPUT_MISC}, 134 }; 135 136 enum { 137 OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX, 138 OUTPUT_TYPE_MAX 139 }; 140 141 /* default set to maintain compatibility with current format */ 142 static struct { 143 bool user_set; 144 bool wildcard_set; 145 unsigned int print_ip_opts; 146 u64 fields; 147 u64 invalid_fields; 148 } output[OUTPUT_TYPE_MAX] = { 149 150 [PERF_TYPE_HARDWARE] = { 151 .user_set = false, 152 153 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 154 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 155 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 156 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO | 157 PERF_OUTPUT_PERIOD, 158 159 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 160 }, 161 162 [PERF_TYPE_SOFTWARE] = { 163 .user_set = false, 164 165 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 166 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 167 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 168 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO | 169 PERF_OUTPUT_PERIOD | PERF_OUTPUT_BPF_OUTPUT, 170 171 .invalid_fields = PERF_OUTPUT_TRACE, 172 }, 173 174 [PERF_TYPE_TRACEPOINT] = { 175 .user_set = false, 176 177 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 178 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 179 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE 180 }, 181 182 [PERF_TYPE_RAW] = { 183 .user_set = false, 184 185 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 186 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 187 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 188 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO | 189 PERF_OUTPUT_PERIOD | PERF_OUTPUT_ADDR | 190 PERF_OUTPUT_DATA_SRC | PERF_OUTPUT_WEIGHT | 191 PERF_OUTPUT_PHYS_ADDR, 192 193 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 194 }, 195 196 [PERF_TYPE_BREAKPOINT] = { 197 .user_set = false, 198 199 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 200 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 201 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 202 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO | 203 PERF_OUTPUT_PERIOD, 204 205 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 206 }, 207 208 [OUTPUT_TYPE_SYNTH] = { 209 .user_set = false, 210 211 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 212 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 213 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 214 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO | 215 PERF_OUTPUT_SYNTH, 216 217 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 218 }, 219 }; 220 221 struct perf_evsel_script { 222 char *filename; 223 FILE *fp; 224 u64 samples; 225 /* For metric output */ 226 u64 val; 227 int gnum; 228 }; 229 230 static inline struct perf_evsel_script *evsel_script(struct perf_evsel *evsel) 231 { 232 return (struct perf_evsel_script *)evsel->priv; 233 } 234 235 static struct perf_evsel_script *perf_evsel_script__new(struct perf_evsel *evsel, 236 struct perf_data *data) 237 { 238 struct perf_evsel_script *es = zalloc(sizeof(*es)); 239 240 if (es != NULL) { 241 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, perf_evsel__name(evsel)) < 0) 242 goto out_free; 243 es->fp = fopen(es->filename, "w"); 244 if (es->fp == NULL) 245 goto out_free_filename; 246 } 247 248 return es; 249 out_free_filename: 250 zfree(&es->filename); 251 out_free: 252 free(es); 253 return NULL; 254 } 255 256 static void perf_evsel_script__delete(struct perf_evsel_script *es) 257 { 258 zfree(&es->filename); 259 fclose(es->fp); 260 es->fp = NULL; 261 free(es); 262 } 263 264 static int perf_evsel_script__fprintf(struct perf_evsel_script *es, FILE *fp) 265 { 266 struct stat st; 267 268 fstat(fileno(es->fp), &st); 269 return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n", 270 st.st_size / 1024.0 / 1024.0, es->filename, es->samples); 271 } 272 273 static inline int output_type(unsigned int type) 274 { 275 switch (type) { 276 case PERF_TYPE_SYNTH: 277 return OUTPUT_TYPE_SYNTH; 278 default: 279 return type; 280 } 281 } 282 283 static inline unsigned int attr_type(unsigned int type) 284 { 285 switch (type) { 286 case OUTPUT_TYPE_SYNTH: 287 return PERF_TYPE_SYNTH; 288 default: 289 return type; 290 } 291 } 292 293 static bool output_set_by_user(void) 294 { 295 int j; 296 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 297 if (output[j].user_set) 298 return true; 299 } 300 return false; 301 } 302 303 static const char *output_field2str(enum perf_output_field field) 304 { 305 int i, imax = ARRAY_SIZE(all_output_options); 306 const char *str = ""; 307 308 for (i = 0; i < imax; ++i) { 309 if (all_output_options[i].field == field) { 310 str = all_output_options[i].str; 311 break; 312 } 313 } 314 return str; 315 } 316 317 #define PRINT_FIELD(x) (output[output_type(attr->type)].fields & PERF_OUTPUT_##x) 318 319 static int perf_evsel__do_check_stype(struct perf_evsel *evsel, 320 u64 sample_type, const char *sample_msg, 321 enum perf_output_field field, 322 bool allow_user_set) 323 { 324 struct perf_event_attr *attr = &evsel->attr; 325 int type = output_type(attr->type); 326 const char *evname; 327 328 if (attr->sample_type & sample_type) 329 return 0; 330 331 if (output[type].user_set) { 332 if (allow_user_set) 333 return 0; 334 evname = perf_evsel__name(evsel); 335 pr_err("Samples for '%s' event do not have %s attribute set. " 336 "Cannot print '%s' field.\n", 337 evname, sample_msg, output_field2str(field)); 338 return -1; 339 } 340 341 /* user did not ask for it explicitly so remove from the default list */ 342 output[type].fields &= ~field; 343 evname = perf_evsel__name(evsel); 344 pr_debug("Samples for '%s' event do not have %s attribute set. " 345 "Skipping '%s' field.\n", 346 evname, sample_msg, output_field2str(field)); 347 348 return 0; 349 } 350 351 static int perf_evsel__check_stype(struct perf_evsel *evsel, 352 u64 sample_type, const char *sample_msg, 353 enum perf_output_field field) 354 { 355 return perf_evsel__do_check_stype(evsel, sample_type, sample_msg, field, 356 false); 357 } 358 359 static int perf_evsel__check_attr(struct perf_evsel *evsel, 360 struct perf_session *session) 361 { 362 struct perf_event_attr *attr = &evsel->attr; 363 bool allow_user_set; 364 365 if (perf_header__has_feat(&session->header, HEADER_STAT)) 366 return 0; 367 368 allow_user_set = perf_header__has_feat(&session->header, 369 HEADER_AUXTRACE); 370 371 if (PRINT_FIELD(TRACE) && 372 !perf_session__has_traces(session, "record -R")) 373 return -EINVAL; 374 375 if (PRINT_FIELD(IP)) { 376 if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", 377 PERF_OUTPUT_IP)) 378 return -EINVAL; 379 } 380 381 if (PRINT_FIELD(ADDR) && 382 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", 383 PERF_OUTPUT_ADDR, allow_user_set)) 384 return -EINVAL; 385 386 if (PRINT_FIELD(DATA_SRC) && 387 perf_evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", 388 PERF_OUTPUT_DATA_SRC)) 389 return -EINVAL; 390 391 if (PRINT_FIELD(WEIGHT) && 392 perf_evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT", 393 PERF_OUTPUT_WEIGHT)) 394 return -EINVAL; 395 396 if (PRINT_FIELD(SYM) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) { 397 pr_err("Display of symbols requested but neither sample IP nor " 398 "sample address\nis selected. Hence, no addresses to convert " 399 "to symbols.\n"); 400 return -EINVAL; 401 } 402 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) { 403 pr_err("Display of offsets requested but symbol is not" 404 "selected.\n"); 405 return -EINVAL; 406 } 407 if (PRINT_FIELD(DSO) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR) && 408 !PRINT_FIELD(BRSTACK) && !PRINT_FIELD(BRSTACKSYM) && !PRINT_FIELD(BRSTACKOFF)) { 409 pr_err("Display of DSO requested but no address to convert. Select\n" 410 "sample IP, sample address, brstack, brstacksym, or brstackoff.\n"); 411 return -EINVAL; 412 } 413 if (PRINT_FIELD(SRCLINE) && !PRINT_FIELD(IP)) { 414 pr_err("Display of source line number requested but sample IP is not\n" 415 "selected. Hence, no address to lookup the source line number.\n"); 416 return -EINVAL; 417 } 418 if (PRINT_FIELD(BRSTACKINSN) && 419 !(perf_evlist__combined_branch_type(session->evlist) & 420 PERF_SAMPLE_BRANCH_ANY)) { 421 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n" 422 "Hint: run 'perf record -b ...'\n"); 423 return -EINVAL; 424 } 425 if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) && 426 perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", 427 PERF_OUTPUT_TID|PERF_OUTPUT_PID)) 428 return -EINVAL; 429 430 if (PRINT_FIELD(TIME) && 431 perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", 432 PERF_OUTPUT_TIME)) 433 return -EINVAL; 434 435 if (PRINT_FIELD(CPU) && 436 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", 437 PERF_OUTPUT_CPU, allow_user_set)) 438 return -EINVAL; 439 440 if (PRINT_FIELD(IREGS) && 441 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", 442 PERF_OUTPUT_IREGS)) 443 return -EINVAL; 444 445 if (PRINT_FIELD(UREGS) && 446 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", 447 PERF_OUTPUT_UREGS)) 448 return -EINVAL; 449 450 if (PRINT_FIELD(PHYS_ADDR) && 451 perf_evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", 452 PERF_OUTPUT_PHYS_ADDR)) 453 return -EINVAL; 454 455 return 0; 456 } 457 458 static void set_print_ip_opts(struct perf_event_attr *attr) 459 { 460 unsigned int type = output_type(attr->type); 461 462 output[type].print_ip_opts = 0; 463 if (PRINT_FIELD(IP)) 464 output[type].print_ip_opts |= EVSEL__PRINT_IP; 465 466 if (PRINT_FIELD(SYM)) 467 output[type].print_ip_opts |= EVSEL__PRINT_SYM; 468 469 if (PRINT_FIELD(DSO)) 470 output[type].print_ip_opts |= EVSEL__PRINT_DSO; 471 472 if (PRINT_FIELD(SYMOFFSET)) 473 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET; 474 475 if (PRINT_FIELD(SRCLINE)) 476 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE; 477 } 478 479 /* 480 * verify all user requested events exist and the samples 481 * have the expected data 482 */ 483 static int perf_session__check_output_opt(struct perf_session *session) 484 { 485 unsigned int j; 486 struct perf_evsel *evsel; 487 488 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 489 evsel = perf_session__find_first_evtype(session, attr_type(j)); 490 491 /* 492 * even if fields is set to 0 (ie., show nothing) event must 493 * exist if user explicitly includes it on the command line 494 */ 495 if (!evsel && output[j].user_set && !output[j].wildcard_set && 496 j != OUTPUT_TYPE_SYNTH) { 497 pr_err("%s events do not exist. " 498 "Remove corresponding -F option to proceed.\n", 499 event_type(j)); 500 return -1; 501 } 502 503 if (evsel && output[j].fields && 504 perf_evsel__check_attr(evsel, session)) 505 return -1; 506 507 if (evsel == NULL) 508 continue; 509 510 set_print_ip_opts(&evsel->attr); 511 } 512 513 if (!no_callchain) { 514 bool use_callchain = false; 515 bool not_pipe = false; 516 517 evlist__for_each_entry(session->evlist, evsel) { 518 not_pipe = true; 519 if (evsel->attr.sample_type & PERF_SAMPLE_CALLCHAIN) { 520 use_callchain = true; 521 break; 522 } 523 } 524 if (not_pipe && !use_callchain) 525 symbol_conf.use_callchain = false; 526 } 527 528 /* 529 * set default for tracepoints to print symbols only 530 * if callchains are present 531 */ 532 if (symbol_conf.use_callchain && 533 !output[PERF_TYPE_TRACEPOINT].user_set) { 534 struct perf_event_attr *attr; 535 536 j = PERF_TYPE_TRACEPOINT; 537 538 evlist__for_each_entry(session->evlist, evsel) { 539 if (evsel->attr.type != j) 540 continue; 541 542 attr = &evsel->attr; 543 544 if (attr->sample_type & PERF_SAMPLE_CALLCHAIN) { 545 output[j].fields |= PERF_OUTPUT_IP; 546 output[j].fields |= PERF_OUTPUT_SYM; 547 output[j].fields |= PERF_OUTPUT_DSO; 548 set_print_ip_opts(attr); 549 goto out; 550 } 551 } 552 } 553 554 out: 555 return 0; 556 } 557 558 static int perf_sample__fprintf_iregs(struct perf_sample *sample, 559 struct perf_event_attr *attr, FILE *fp) 560 { 561 struct regs_dump *regs = &sample->intr_regs; 562 uint64_t mask = attr->sample_regs_intr; 563 unsigned i = 0, r; 564 int printed = 0; 565 566 if (!regs) 567 return 0; 568 569 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) { 570 u64 val = regs->regs[i++]; 571 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val); 572 } 573 574 return printed; 575 } 576 577 static int perf_sample__fprintf_uregs(struct perf_sample *sample, 578 struct perf_event_attr *attr, FILE *fp) 579 { 580 struct regs_dump *regs = &sample->user_regs; 581 uint64_t mask = attr->sample_regs_user; 582 unsigned i = 0, r; 583 int printed = 0; 584 585 if (!regs || !regs->regs) 586 return 0; 587 588 printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi); 589 590 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) { 591 u64 val = regs->regs[i++]; 592 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val); 593 } 594 595 return printed; 596 } 597 598 static int perf_sample__fprintf_start(struct perf_sample *sample, 599 struct thread *thread, 600 struct perf_evsel *evsel, 601 u32 type, FILE *fp) 602 { 603 struct perf_event_attr *attr = &evsel->attr; 604 unsigned long secs; 605 unsigned long long nsecs; 606 int printed = 0; 607 608 if (PRINT_FIELD(COMM)) { 609 if (latency_format) 610 printed += fprintf(fp, "%8.8s ", thread__comm_str(thread)); 611 else if (PRINT_FIELD(IP) && symbol_conf.use_callchain) 612 printed += fprintf(fp, "%s ", thread__comm_str(thread)); 613 else 614 printed += fprintf(fp, "%16s ", thread__comm_str(thread)); 615 } 616 617 if (PRINT_FIELD(PID) && PRINT_FIELD(TID)) 618 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid); 619 else if (PRINT_FIELD(PID)) 620 printed += fprintf(fp, "%5d ", sample->pid); 621 else if (PRINT_FIELD(TID)) 622 printed += fprintf(fp, "%5d ", sample->tid); 623 624 if (PRINT_FIELD(CPU)) { 625 if (latency_format) 626 printed += fprintf(fp, "%3d ", sample->cpu); 627 else 628 printed += fprintf(fp, "[%03d] ", sample->cpu); 629 } 630 631 if (PRINT_FIELD(MISC)) { 632 int ret = 0; 633 634 #define has(m) \ 635 (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m 636 637 if (has(KERNEL)) 638 ret += fprintf(fp, "K"); 639 if (has(USER)) 640 ret += fprintf(fp, "U"); 641 if (has(HYPERVISOR)) 642 ret += fprintf(fp, "H"); 643 if (has(GUEST_KERNEL)) 644 ret += fprintf(fp, "G"); 645 if (has(GUEST_USER)) 646 ret += fprintf(fp, "g"); 647 648 switch (type) { 649 case PERF_RECORD_MMAP: 650 case PERF_RECORD_MMAP2: 651 if (has(MMAP_DATA)) 652 ret += fprintf(fp, "M"); 653 break; 654 case PERF_RECORD_COMM: 655 if (has(COMM_EXEC)) 656 ret += fprintf(fp, "E"); 657 break; 658 case PERF_RECORD_SWITCH: 659 case PERF_RECORD_SWITCH_CPU_WIDE: 660 if (has(SWITCH_OUT)) 661 ret += fprintf(fp, "S"); 662 default: 663 break; 664 } 665 666 #undef has 667 668 ret += fprintf(fp, "%*s", 6 - ret, " "); 669 printed += ret; 670 } 671 672 if (PRINT_FIELD(TIME)) { 673 nsecs = sample->time; 674 secs = nsecs / NSEC_PER_SEC; 675 nsecs -= secs * NSEC_PER_SEC; 676 677 if (nanosecs) 678 printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs); 679 else { 680 char sample_time[32]; 681 timestamp__scnprintf_usec(sample->time, sample_time, sizeof(sample_time)); 682 printed += fprintf(fp, "%12s: ", sample_time); 683 } 684 } 685 686 return printed; 687 } 688 689 static inline char 690 mispred_str(struct branch_entry *br) 691 { 692 if (!(br->flags.mispred || br->flags.predicted)) 693 return '-'; 694 695 return br->flags.predicted ? 'P' : 'M'; 696 } 697 698 static int perf_sample__fprintf_brstack(struct perf_sample *sample, 699 struct thread *thread, 700 struct perf_event_attr *attr, FILE *fp) 701 { 702 struct branch_stack *br = sample->branch_stack; 703 struct addr_location alf, alt; 704 u64 i, from, to; 705 int printed = 0; 706 707 if (!(br && br->nr)) 708 return 0; 709 710 for (i = 0; i < br->nr; i++) { 711 from = br->entries[i].from; 712 to = br->entries[i].to; 713 714 if (PRINT_FIELD(DSO)) { 715 memset(&alf, 0, sizeof(alf)); 716 memset(&alt, 0, sizeof(alt)); 717 thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, from, &alf); 718 thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, to, &alt); 719 } 720 721 printed += fprintf(fp, " 0x%"PRIx64, from); 722 if (PRINT_FIELD(DSO)) { 723 printed += fprintf(fp, "("); 724 printed += map__fprintf_dsoname(alf.map, fp); 725 printed += fprintf(fp, ")"); 726 } 727 728 printed += fprintf(fp, "/0x%"PRIx64, to); 729 if (PRINT_FIELD(DSO)) { 730 printed += fprintf(fp, "("); 731 printed += map__fprintf_dsoname(alt.map, fp); 732 printed += fprintf(fp, ")"); 733 } 734 735 printed += fprintf(fp, "/%c/%c/%c/%d ", 736 mispred_str( br->entries + i), 737 br->entries[i].flags.in_tx? 'X' : '-', 738 br->entries[i].flags.abort? 'A' : '-', 739 br->entries[i].flags.cycles); 740 } 741 742 return printed; 743 } 744 745 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample, 746 struct thread *thread, 747 struct perf_event_attr *attr, FILE *fp) 748 { 749 struct branch_stack *br = sample->branch_stack; 750 struct addr_location alf, alt; 751 u64 i, from, to; 752 int printed = 0; 753 754 if (!(br && br->nr)) 755 return 0; 756 757 for (i = 0; i < br->nr; i++) { 758 759 memset(&alf, 0, sizeof(alf)); 760 memset(&alt, 0, sizeof(alt)); 761 from = br->entries[i].from; 762 to = br->entries[i].to; 763 764 thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, from, &alf); 765 if (alf.map) 766 alf.sym = map__find_symbol(alf.map, alf.addr); 767 768 thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, to, &alt); 769 if (alt.map) 770 alt.sym = map__find_symbol(alt.map, alt.addr); 771 772 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp); 773 if (PRINT_FIELD(DSO)) { 774 printed += fprintf(fp, "("); 775 printed += map__fprintf_dsoname(alf.map, fp); 776 printed += fprintf(fp, ")"); 777 } 778 printed += fprintf(fp, "%c", '/'); 779 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp); 780 if (PRINT_FIELD(DSO)) { 781 printed += fprintf(fp, "("); 782 printed += map__fprintf_dsoname(alt.map, fp); 783 printed += fprintf(fp, ")"); 784 } 785 printed += fprintf(fp, "/%c/%c/%c/%d ", 786 mispred_str( br->entries + i), 787 br->entries[i].flags.in_tx? 'X' : '-', 788 br->entries[i].flags.abort? 'A' : '-', 789 br->entries[i].flags.cycles); 790 } 791 792 return printed; 793 } 794 795 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample, 796 struct thread *thread, 797 struct perf_event_attr *attr, FILE *fp) 798 { 799 struct branch_stack *br = sample->branch_stack; 800 struct addr_location alf, alt; 801 u64 i, from, to; 802 int printed = 0; 803 804 if (!(br && br->nr)) 805 return 0; 806 807 for (i = 0; i < br->nr; i++) { 808 809 memset(&alf, 0, sizeof(alf)); 810 memset(&alt, 0, sizeof(alt)); 811 from = br->entries[i].from; 812 to = br->entries[i].to; 813 814 thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, from, &alf); 815 if (alf.map && !alf.map->dso->adjust_symbols) 816 from = map__map_ip(alf.map, from); 817 818 thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, to, &alt); 819 if (alt.map && !alt.map->dso->adjust_symbols) 820 to = map__map_ip(alt.map, to); 821 822 printed += fprintf(fp, " 0x%"PRIx64, from); 823 if (PRINT_FIELD(DSO)) { 824 printed += fprintf(fp, "("); 825 printed += map__fprintf_dsoname(alf.map, fp); 826 printed += fprintf(fp, ")"); 827 } 828 printed += fprintf(fp, "/0x%"PRIx64, to); 829 if (PRINT_FIELD(DSO)) { 830 printed += fprintf(fp, "("); 831 printed += map__fprintf_dsoname(alt.map, fp); 832 printed += fprintf(fp, ")"); 833 } 834 printed += fprintf(fp, "/%c/%c/%c/%d ", 835 mispred_str(br->entries + i), 836 br->entries[i].flags.in_tx ? 'X' : '-', 837 br->entries[i].flags.abort ? 'A' : '-', 838 br->entries[i].flags.cycles); 839 } 840 841 return printed; 842 } 843 #define MAXBB 16384UL 844 845 static int grab_bb(u8 *buffer, u64 start, u64 end, 846 struct machine *machine, struct thread *thread, 847 bool *is64bit, u8 *cpumode, bool last) 848 { 849 long offset, len; 850 struct addr_location al; 851 bool kernel; 852 853 if (!start || !end) 854 return 0; 855 856 kernel = machine__kernel_ip(machine, start); 857 if (kernel) 858 *cpumode = PERF_RECORD_MISC_KERNEL; 859 else 860 *cpumode = PERF_RECORD_MISC_USER; 861 862 /* 863 * Block overlaps between kernel and user. 864 * This can happen due to ring filtering 865 * On Intel CPUs the entry into the kernel is filtered, 866 * but the exit is not. Let the caller patch it up. 867 */ 868 if (kernel != machine__kernel_ip(machine, end)) { 869 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end); 870 return -ENXIO; 871 } 872 873 memset(&al, 0, sizeof(al)); 874 if (end - start > MAXBB - MAXINSN) { 875 if (last) 876 pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end); 877 else 878 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start); 879 return 0; 880 } 881 882 thread__find_addr_map(thread, *cpumode, MAP__FUNCTION, start, &al); 883 if (!al.map || !al.map->dso) { 884 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 885 return 0; 886 } 887 if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) { 888 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 889 return 0; 890 } 891 892 /* Load maps to ensure dso->is_64_bit has been updated */ 893 map__load(al.map); 894 895 offset = al.map->map_ip(al.map, start); 896 len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer, 897 end - start + MAXINSN); 898 899 *is64bit = al.map->dso->is_64_bit; 900 if (len <= 0) 901 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n", 902 start, end); 903 return len; 904 } 905 906 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en, 907 struct perf_insn *x, u8 *inbuf, int len, 908 int insn, FILE *fp) 909 { 910 int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip, 911 dump_insn(x, ip, inbuf, len, NULL), 912 en->flags.predicted ? " PRED" : "", 913 en->flags.mispred ? " MISPRED" : "", 914 en->flags.in_tx ? " INTX" : "", 915 en->flags.abort ? " ABORT" : ""); 916 if (en->flags.cycles) { 917 printed += fprintf(fp, " %d cycles", en->flags.cycles); 918 if (insn) 919 printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles); 920 } 921 return printed + fprintf(fp, "\n"); 922 } 923 924 static int ip__fprintf_sym(uint64_t addr, struct thread *thread, 925 u8 cpumode, int cpu, struct symbol **lastsym, 926 struct perf_event_attr *attr, FILE *fp) 927 { 928 struct addr_location al; 929 int off, printed = 0; 930 931 memset(&al, 0, sizeof(al)); 932 933 thread__find_addr_map(thread, cpumode, MAP__FUNCTION, addr, &al); 934 if (!al.map) 935 thread__find_addr_map(thread, cpumode, MAP__VARIABLE, 936 addr, &al); 937 if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end) 938 return 0; 939 940 al.cpu = cpu; 941 al.sym = NULL; 942 if (al.map) 943 al.sym = map__find_symbol(al.map, al.addr); 944 945 if (!al.sym) 946 return 0; 947 948 if (al.addr < al.sym->end) 949 off = al.addr - al.sym->start; 950 else 951 off = al.addr - al.map->start - al.sym->start; 952 printed += fprintf(fp, "\t%s", al.sym->name); 953 if (off) 954 printed += fprintf(fp, "%+d", off); 955 printed += fprintf(fp, ":"); 956 if (PRINT_FIELD(SRCLINE)) 957 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp); 958 printed += fprintf(fp, "\n"); 959 *lastsym = al.sym; 960 961 return printed; 962 } 963 964 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample, 965 struct thread *thread, 966 struct perf_event_attr *attr, 967 struct machine *machine, FILE *fp) 968 { 969 struct branch_stack *br = sample->branch_stack; 970 u64 start, end; 971 int i, insn, len, nr, ilen, printed = 0; 972 struct perf_insn x; 973 u8 buffer[MAXBB]; 974 unsigned off; 975 struct symbol *lastsym = NULL; 976 977 if (!(br && br->nr)) 978 return 0; 979 nr = br->nr; 980 if (max_blocks && nr > max_blocks + 1) 981 nr = max_blocks + 1; 982 983 x.thread = thread; 984 x.cpu = sample->cpu; 985 986 printed += fprintf(fp, "%c", '\n'); 987 988 /* Handle first from jump, of which we don't know the entry. */ 989 len = grab_bb(buffer, br->entries[nr-1].from, 990 br->entries[nr-1].from, 991 machine, thread, &x.is64bit, &x.cpumode, false); 992 if (len > 0) { 993 printed += ip__fprintf_sym(br->entries[nr - 1].from, thread, 994 x.cpumode, x.cpu, &lastsym, attr, fp); 995 printed += ip__fprintf_jump(br->entries[nr - 1].from, &br->entries[nr - 1], 996 &x, buffer, len, 0, fp); 997 } 998 999 /* Print all blocks */ 1000 for (i = nr - 2; i >= 0; i--) { 1001 if (br->entries[i].from || br->entries[i].to) 1002 pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i, 1003 br->entries[i].from, 1004 br->entries[i].to); 1005 start = br->entries[i + 1].to; 1006 end = br->entries[i].from; 1007 1008 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1009 /* Patch up missing kernel transfers due to ring filters */ 1010 if (len == -ENXIO && i > 0) { 1011 end = br->entries[--i].from; 1012 pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end); 1013 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1014 } 1015 if (len <= 0) 1016 continue; 1017 1018 insn = 0; 1019 for (off = 0;; off += ilen) { 1020 uint64_t ip = start + off; 1021 1022 printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1023 if (ip == end) { 1024 printed += ip__fprintf_jump(ip, &br->entries[i], &x, buffer + off, len - off, insn, fp); 1025 break; 1026 } else { 1027 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip, 1028 dump_insn(&x, ip, buffer + off, len - off, &ilen)); 1029 if (ilen == 0) 1030 break; 1031 insn++; 1032 } 1033 } 1034 } 1035 1036 /* 1037 * Hit the branch? In this case we are already done, and the target 1038 * has not been executed yet. 1039 */ 1040 if (br->entries[0].from == sample->ip) 1041 goto out; 1042 if (br->entries[0].flags.abort) 1043 goto out; 1044 1045 /* 1046 * Print final block upto sample 1047 */ 1048 start = br->entries[0].to; 1049 end = sample->ip; 1050 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true); 1051 printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1052 if (len <= 0) { 1053 /* Print at least last IP if basic block did not work */ 1054 len = grab_bb(buffer, sample->ip, sample->ip, 1055 machine, thread, &x.is64bit, &x.cpumode, false); 1056 if (len <= 0) 1057 goto out; 1058 1059 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip, 1060 dump_insn(&x, sample->ip, buffer, len, NULL)); 1061 goto out; 1062 } 1063 for (off = 0; off <= end - start; off += ilen) { 1064 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off, 1065 dump_insn(&x, start + off, buffer + off, len - off, &ilen)); 1066 if (ilen == 0) 1067 break; 1068 } 1069 out: 1070 return printed; 1071 } 1072 1073 static int perf_sample__fprintf_addr(struct perf_sample *sample, 1074 struct thread *thread, 1075 struct perf_event_attr *attr, FILE *fp) 1076 { 1077 struct addr_location al; 1078 int printed = fprintf(fp, "%16" PRIx64, sample->addr); 1079 1080 if (!sample_addr_correlates_sym(attr)) 1081 goto out; 1082 1083 thread__resolve(thread, &al, sample); 1084 1085 if (PRINT_FIELD(SYM)) { 1086 printed += fprintf(fp, " "); 1087 if (PRINT_FIELD(SYMOFFSET)) 1088 printed += symbol__fprintf_symname_offs(al.sym, &al, fp); 1089 else 1090 printed += symbol__fprintf_symname(al.sym, fp); 1091 } 1092 1093 if (PRINT_FIELD(DSO)) { 1094 printed += fprintf(fp, " ("); 1095 printed += map__fprintf_dsoname(al.map, fp); 1096 printed += fprintf(fp, ")"); 1097 } 1098 out: 1099 return printed; 1100 } 1101 1102 static int perf_sample__fprintf_callindent(struct perf_sample *sample, 1103 struct perf_evsel *evsel, 1104 struct thread *thread, 1105 struct addr_location *al, FILE *fp) 1106 { 1107 struct perf_event_attr *attr = &evsel->attr; 1108 size_t depth = thread_stack__depth(thread); 1109 struct addr_location addr_al; 1110 const char *name = NULL; 1111 static int spacing; 1112 int len = 0; 1113 u64 ip = 0; 1114 1115 /* 1116 * The 'return' has already been popped off the stack so the depth has 1117 * to be adjusted to match the 'call'. 1118 */ 1119 if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN) 1120 depth += 1; 1121 1122 if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) { 1123 if (sample_addr_correlates_sym(attr)) { 1124 thread__resolve(thread, &addr_al, sample); 1125 if (addr_al.sym) 1126 name = addr_al.sym->name; 1127 else 1128 ip = sample->addr; 1129 } else { 1130 ip = sample->addr; 1131 } 1132 } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) { 1133 if (al->sym) 1134 name = al->sym->name; 1135 else 1136 ip = sample->ip; 1137 } 1138 1139 if (name) 1140 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name); 1141 else if (ip) 1142 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip); 1143 1144 if (len < 0) 1145 return len; 1146 1147 /* 1148 * Try to keep the output length from changing frequently so that the 1149 * output lines up more nicely. 1150 */ 1151 if (len > spacing || (len && len < spacing - 52)) 1152 spacing = round_up(len + 4, 32); 1153 1154 if (len < spacing) 1155 len += fprintf(fp, "%*s", spacing - len, ""); 1156 1157 return len; 1158 } 1159 1160 static int perf_sample__fprintf_insn(struct perf_sample *sample, 1161 struct perf_event_attr *attr, 1162 struct thread *thread, 1163 struct machine *machine, FILE *fp) 1164 { 1165 int printed = 0; 1166 1167 if (PRINT_FIELD(INSNLEN)) 1168 printed += fprintf(fp, " ilen: %d", sample->insn_len); 1169 if (PRINT_FIELD(INSN)) { 1170 int i; 1171 1172 printed += fprintf(fp, " insn:"); 1173 for (i = 0; i < sample->insn_len; i++) 1174 printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]); 1175 } 1176 if (PRINT_FIELD(BRSTACKINSN)) 1177 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp); 1178 1179 return printed; 1180 } 1181 1182 static int perf_sample__fprintf_bts(struct perf_sample *sample, 1183 struct perf_evsel *evsel, 1184 struct thread *thread, 1185 struct addr_location *al, 1186 struct machine *machine, FILE *fp) 1187 { 1188 struct perf_event_attr *attr = &evsel->attr; 1189 unsigned int type = output_type(attr->type); 1190 bool print_srcline_last = false; 1191 int printed = 0; 1192 1193 if (PRINT_FIELD(CALLINDENT)) 1194 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp); 1195 1196 /* print branch_from information */ 1197 if (PRINT_FIELD(IP)) { 1198 unsigned int print_opts = output[type].print_ip_opts; 1199 struct callchain_cursor *cursor = NULL; 1200 1201 if (symbol_conf.use_callchain && sample->callchain && 1202 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 1203 sample, NULL, NULL, scripting_max_stack) == 0) 1204 cursor = &callchain_cursor; 1205 1206 if (cursor == NULL) { 1207 printed += fprintf(fp, " "); 1208 if (print_opts & EVSEL__PRINT_SRCLINE) { 1209 print_srcline_last = true; 1210 print_opts &= ~EVSEL__PRINT_SRCLINE; 1211 } 1212 } else 1213 printed += fprintf(fp, "\n"); 1214 1215 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, fp); 1216 } 1217 1218 /* print branch_to information */ 1219 if (PRINT_FIELD(ADDR) || 1220 ((evsel->attr.sample_type & PERF_SAMPLE_ADDR) && 1221 !output[type].user_set)) { 1222 printed += fprintf(fp, " => "); 1223 printed += perf_sample__fprintf_addr(sample, thread, attr, fp); 1224 } 1225 1226 if (print_srcline_last) 1227 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp); 1228 1229 printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 1230 return printed + fprintf(fp, "\n"); 1231 } 1232 1233 static struct { 1234 u32 flags; 1235 const char *name; 1236 } sample_flags[] = { 1237 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"}, 1238 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"}, 1239 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"}, 1240 {PERF_IP_FLAG_BRANCH, "jmp"}, 1241 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"}, 1242 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"}, 1243 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"}, 1244 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"}, 1245 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"}, 1246 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"}, 1247 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"}, 1248 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"}, 1249 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"}, 1250 {0, NULL} 1251 }; 1252 1253 static int perf_sample__fprintf_flags(u32 flags, FILE *fp) 1254 { 1255 const char *chars = PERF_IP_FLAG_CHARS; 1256 const int n = strlen(PERF_IP_FLAG_CHARS); 1257 bool in_tx = flags & PERF_IP_FLAG_IN_TX; 1258 const char *name = NULL; 1259 char str[33]; 1260 int i, pos = 0; 1261 1262 for (i = 0; sample_flags[i].name ; i++) { 1263 if (sample_flags[i].flags == (flags & ~PERF_IP_FLAG_IN_TX)) { 1264 name = sample_flags[i].name; 1265 break; 1266 } 1267 } 1268 1269 for (i = 0; i < n; i++, flags >>= 1) { 1270 if (flags & 1) 1271 str[pos++] = chars[i]; 1272 } 1273 for (; i < 32; i++, flags >>= 1) { 1274 if (flags & 1) 1275 str[pos++] = '?'; 1276 } 1277 str[pos] = 0; 1278 1279 if (name) 1280 return fprintf(fp, " %-7s%4s ", name, in_tx ? "(x)" : ""); 1281 1282 return fprintf(fp, " %-11s ", str); 1283 } 1284 1285 struct printer_data { 1286 int line_no; 1287 bool hit_nul; 1288 bool is_printable; 1289 }; 1290 1291 static int sample__fprintf_bpf_output(enum binary_printer_ops op, 1292 unsigned int val, 1293 void *extra, FILE *fp) 1294 { 1295 unsigned char ch = (unsigned char)val; 1296 struct printer_data *printer_data = extra; 1297 int printed = 0; 1298 1299 switch (op) { 1300 case BINARY_PRINT_DATA_BEGIN: 1301 printed += fprintf(fp, "\n"); 1302 break; 1303 case BINARY_PRINT_LINE_BEGIN: 1304 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" : 1305 " "); 1306 break; 1307 case BINARY_PRINT_ADDR: 1308 printed += fprintf(fp, " %04x:", val); 1309 break; 1310 case BINARY_PRINT_NUM_DATA: 1311 printed += fprintf(fp, " %02x", val); 1312 break; 1313 case BINARY_PRINT_NUM_PAD: 1314 printed += fprintf(fp, " "); 1315 break; 1316 case BINARY_PRINT_SEP: 1317 printed += fprintf(fp, " "); 1318 break; 1319 case BINARY_PRINT_CHAR_DATA: 1320 if (printer_data->hit_nul && ch) 1321 printer_data->is_printable = false; 1322 1323 if (!isprint(ch)) { 1324 printed += fprintf(fp, "%c", '.'); 1325 1326 if (!printer_data->is_printable) 1327 break; 1328 1329 if (ch == '\0') 1330 printer_data->hit_nul = true; 1331 else 1332 printer_data->is_printable = false; 1333 } else { 1334 printed += fprintf(fp, "%c", ch); 1335 } 1336 break; 1337 case BINARY_PRINT_CHAR_PAD: 1338 printed += fprintf(fp, " "); 1339 break; 1340 case BINARY_PRINT_LINE_END: 1341 printed += fprintf(fp, "\n"); 1342 printer_data->line_no++; 1343 break; 1344 case BINARY_PRINT_DATA_END: 1345 default: 1346 break; 1347 } 1348 1349 return printed; 1350 } 1351 1352 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp) 1353 { 1354 unsigned int nr_bytes = sample->raw_size; 1355 struct printer_data printer_data = {0, false, true}; 1356 int printed = binary__fprintf(sample->raw_data, nr_bytes, 8, 1357 sample__fprintf_bpf_output, &printer_data, fp); 1358 1359 if (printer_data.is_printable && printer_data.hit_nul) 1360 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data)); 1361 1362 return printed; 1363 } 1364 1365 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp) 1366 { 1367 if (len > 0 && len < spacing) 1368 return fprintf(fp, "%*s", spacing - len, ""); 1369 1370 return 0; 1371 } 1372 1373 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp) 1374 { 1375 return perf_sample__fprintf_spacing(len, 34, fp); 1376 } 1377 1378 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp) 1379 { 1380 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample); 1381 int len; 1382 1383 if (perf_sample__bad_synth_size(sample, *data)) 1384 return 0; 1385 1386 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ", 1387 data->ip, le64_to_cpu(data->payload)); 1388 return len + perf_sample__fprintf_pt_spacing(len, fp); 1389 } 1390 1391 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp) 1392 { 1393 struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample); 1394 int len; 1395 1396 if (perf_sample__bad_synth_size(sample, *data)) 1397 return 0; 1398 1399 len = fprintf(fp, " hints: %#x extensions: %#x ", 1400 data->hints, data->extensions); 1401 return len + perf_sample__fprintf_pt_spacing(len, fp); 1402 } 1403 1404 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp) 1405 { 1406 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample); 1407 int len; 1408 1409 if (perf_sample__bad_synth_size(sample, *data)) 1410 return 0; 1411 1412 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ", 1413 data->hw, data->cstate, data->subcstate); 1414 return len + perf_sample__fprintf_pt_spacing(len, fp); 1415 } 1416 1417 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp) 1418 { 1419 struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample); 1420 int len; 1421 1422 if (perf_sample__bad_synth_size(sample, *data)) 1423 return 0; 1424 1425 len = fprintf(fp, " IP: %u ", data->ip); 1426 return len + perf_sample__fprintf_pt_spacing(len, fp); 1427 } 1428 1429 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp) 1430 { 1431 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample); 1432 int len; 1433 1434 if (perf_sample__bad_synth_size(sample, *data)) 1435 return 0; 1436 1437 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ", 1438 data->deepest_cstate, data->last_cstate, 1439 data->wake_reason); 1440 return len + perf_sample__fprintf_pt_spacing(len, fp); 1441 } 1442 1443 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp) 1444 { 1445 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample); 1446 unsigned int percent, freq; 1447 int len; 1448 1449 if (perf_sample__bad_synth_size(sample, *data)) 1450 return 0; 1451 1452 freq = (le32_to_cpu(data->freq) + 500) / 1000; 1453 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq); 1454 if (data->max_nonturbo) { 1455 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10; 1456 len += fprintf(fp, "(%3u%%) ", percent); 1457 } 1458 return len + perf_sample__fprintf_pt_spacing(len, fp); 1459 } 1460 1461 static int perf_sample__fprintf_synth(struct perf_sample *sample, 1462 struct perf_evsel *evsel, FILE *fp) 1463 { 1464 switch (evsel->attr.config) { 1465 case PERF_SYNTH_INTEL_PTWRITE: 1466 return perf_sample__fprintf_synth_ptwrite(sample, fp); 1467 case PERF_SYNTH_INTEL_MWAIT: 1468 return perf_sample__fprintf_synth_mwait(sample, fp); 1469 case PERF_SYNTH_INTEL_PWRE: 1470 return perf_sample__fprintf_synth_pwre(sample, fp); 1471 case PERF_SYNTH_INTEL_EXSTOP: 1472 return perf_sample__fprintf_synth_exstop(sample, fp); 1473 case PERF_SYNTH_INTEL_PWRX: 1474 return perf_sample__fprintf_synth_pwrx(sample, fp); 1475 case PERF_SYNTH_INTEL_CBR: 1476 return perf_sample__fprintf_synth_cbr(sample, fp); 1477 default: 1478 break; 1479 } 1480 1481 return 0; 1482 } 1483 1484 struct perf_script { 1485 struct perf_tool tool; 1486 struct perf_session *session; 1487 bool show_task_events; 1488 bool show_mmap_events; 1489 bool show_switch_events; 1490 bool show_namespace_events; 1491 bool show_lost_events; 1492 bool allocated; 1493 bool per_event_dump; 1494 struct cpu_map *cpus; 1495 struct thread_map *threads; 1496 int name_width; 1497 const char *time_str; 1498 struct perf_time_interval *ptime_range; 1499 int range_size; 1500 int range_num; 1501 }; 1502 1503 static int perf_evlist__max_name_len(struct perf_evlist *evlist) 1504 { 1505 struct perf_evsel *evsel; 1506 int max = 0; 1507 1508 evlist__for_each_entry(evlist, evsel) { 1509 int len = strlen(perf_evsel__name(evsel)); 1510 1511 max = MAX(len, max); 1512 } 1513 1514 return max; 1515 } 1516 1517 static int data_src__fprintf(u64 data_src, FILE *fp) 1518 { 1519 struct mem_info mi = { .data_src.val = data_src }; 1520 char decode[100]; 1521 char out[100]; 1522 static int maxlen; 1523 int len; 1524 1525 perf_script__meminfo_scnprintf(decode, 100, &mi); 1526 1527 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode); 1528 if (maxlen < len) 1529 maxlen = len; 1530 1531 return fprintf(fp, "%-*s", maxlen, out); 1532 } 1533 1534 struct metric_ctx { 1535 struct perf_sample *sample; 1536 struct thread *thread; 1537 struct perf_evsel *evsel; 1538 FILE *fp; 1539 }; 1540 1541 static void script_print_metric(void *ctx, const char *color, 1542 const char *fmt, 1543 const char *unit, double val) 1544 { 1545 struct metric_ctx *mctx = ctx; 1546 1547 if (!fmt) 1548 return; 1549 perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel, 1550 PERF_RECORD_SAMPLE, mctx->fp); 1551 fputs("\tmetric: ", mctx->fp); 1552 if (color) 1553 color_fprintf(mctx->fp, color, fmt, val); 1554 else 1555 printf(fmt, val); 1556 fprintf(mctx->fp, " %s\n", unit); 1557 } 1558 1559 static void script_new_line(void *ctx) 1560 { 1561 struct metric_ctx *mctx = ctx; 1562 1563 perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel, 1564 PERF_RECORD_SAMPLE, mctx->fp); 1565 fputs("\tmetric: ", mctx->fp); 1566 } 1567 1568 static void perf_sample__fprint_metric(struct perf_script *script, 1569 struct thread *thread, 1570 struct perf_evsel *evsel, 1571 struct perf_sample *sample, 1572 FILE *fp) 1573 { 1574 struct perf_stat_output_ctx ctx = { 1575 .print_metric = script_print_metric, 1576 .new_line = script_new_line, 1577 .ctx = &(struct metric_ctx) { 1578 .sample = sample, 1579 .thread = thread, 1580 .evsel = evsel, 1581 .fp = fp, 1582 }, 1583 .force_header = false, 1584 }; 1585 struct perf_evsel *ev2; 1586 static bool init; 1587 u64 val; 1588 1589 if (!init) { 1590 perf_stat__init_shadow_stats(); 1591 init = true; 1592 } 1593 if (!evsel->stats) 1594 perf_evlist__alloc_stats(script->session->evlist, false); 1595 if (evsel_script(evsel->leader)->gnum++ == 0) 1596 perf_stat__reset_shadow_stats(); 1597 val = sample->period * evsel->scale; 1598 perf_stat__update_shadow_stats(evsel, 1599 val, 1600 sample->cpu, 1601 &rt_stat); 1602 evsel_script(evsel)->val = val; 1603 if (evsel_script(evsel->leader)->gnum == evsel->leader->nr_members) { 1604 for_each_group_member (ev2, evsel->leader) { 1605 perf_stat__print_shadow_stats(ev2, 1606 evsel_script(ev2)->val, 1607 sample->cpu, 1608 &ctx, 1609 NULL, 1610 &rt_stat); 1611 } 1612 evsel_script(evsel->leader)->gnum = 0; 1613 } 1614 } 1615 1616 static void process_event(struct perf_script *script, 1617 struct perf_sample *sample, struct perf_evsel *evsel, 1618 struct addr_location *al, 1619 struct machine *machine) 1620 { 1621 struct thread *thread = al->thread; 1622 struct perf_event_attr *attr = &evsel->attr; 1623 unsigned int type = output_type(attr->type); 1624 struct perf_evsel_script *es = evsel->priv; 1625 FILE *fp = es->fp; 1626 1627 if (output[type].fields == 0) 1628 return; 1629 1630 ++es->samples; 1631 1632 perf_sample__fprintf_start(sample, thread, evsel, 1633 PERF_RECORD_SAMPLE, fp); 1634 1635 if (PRINT_FIELD(PERIOD)) 1636 fprintf(fp, "%10" PRIu64 " ", sample->period); 1637 1638 if (PRINT_FIELD(EVNAME)) { 1639 const char *evname = perf_evsel__name(evsel); 1640 1641 if (!script->name_width) 1642 script->name_width = perf_evlist__max_name_len(script->session->evlist); 1643 1644 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]"); 1645 } 1646 1647 if (print_flags) 1648 perf_sample__fprintf_flags(sample->flags, fp); 1649 1650 if (is_bts_event(attr)) { 1651 perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp); 1652 return; 1653 } 1654 1655 if (PRINT_FIELD(TRACE)) { 1656 event_format__fprintf(evsel->tp_format, sample->cpu, 1657 sample->raw_data, sample->raw_size, fp); 1658 } 1659 1660 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH)) 1661 perf_sample__fprintf_synth(sample, evsel, fp); 1662 1663 if (PRINT_FIELD(ADDR)) 1664 perf_sample__fprintf_addr(sample, thread, attr, fp); 1665 1666 if (PRINT_FIELD(DATA_SRC)) 1667 data_src__fprintf(sample->data_src, fp); 1668 1669 if (PRINT_FIELD(WEIGHT)) 1670 fprintf(fp, "%16" PRIu64, sample->weight); 1671 1672 if (PRINT_FIELD(IP)) { 1673 struct callchain_cursor *cursor = NULL; 1674 1675 if (symbol_conf.use_callchain && sample->callchain && 1676 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 1677 sample, NULL, NULL, scripting_max_stack) == 0) 1678 cursor = &callchain_cursor; 1679 1680 fputc(cursor ? '\n' : ' ', fp); 1681 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, fp); 1682 } 1683 1684 if (PRINT_FIELD(IREGS)) 1685 perf_sample__fprintf_iregs(sample, attr, fp); 1686 1687 if (PRINT_FIELD(UREGS)) 1688 perf_sample__fprintf_uregs(sample, attr, fp); 1689 1690 if (PRINT_FIELD(BRSTACK)) 1691 perf_sample__fprintf_brstack(sample, thread, attr, fp); 1692 else if (PRINT_FIELD(BRSTACKSYM)) 1693 perf_sample__fprintf_brstacksym(sample, thread, attr, fp); 1694 else if (PRINT_FIELD(BRSTACKOFF)) 1695 perf_sample__fprintf_brstackoff(sample, thread, attr, fp); 1696 1697 if (perf_evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT)) 1698 perf_sample__fprintf_bpf_output(sample, fp); 1699 perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 1700 1701 if (PRINT_FIELD(PHYS_ADDR)) 1702 fprintf(fp, "%16" PRIx64, sample->phys_addr); 1703 fprintf(fp, "\n"); 1704 1705 if (PRINT_FIELD(METRIC)) 1706 perf_sample__fprint_metric(script, thread, evsel, sample, fp); 1707 } 1708 1709 static struct scripting_ops *scripting_ops; 1710 1711 static void __process_stat(struct perf_evsel *counter, u64 tstamp) 1712 { 1713 int nthreads = thread_map__nr(counter->threads); 1714 int ncpus = perf_evsel__nr_cpus(counter); 1715 int cpu, thread; 1716 static int header_printed; 1717 1718 if (counter->system_wide) 1719 nthreads = 1; 1720 1721 if (!header_printed) { 1722 printf("%3s %8s %15s %15s %15s %15s %s\n", 1723 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT"); 1724 header_printed = 1; 1725 } 1726 1727 for (thread = 0; thread < nthreads; thread++) { 1728 for (cpu = 0; cpu < ncpus; cpu++) { 1729 struct perf_counts_values *counts; 1730 1731 counts = perf_counts(counter->counts, cpu, thread); 1732 1733 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n", 1734 counter->cpus->map[cpu], 1735 thread_map__pid(counter->threads, thread), 1736 counts->val, 1737 counts->ena, 1738 counts->run, 1739 tstamp, 1740 perf_evsel__name(counter)); 1741 } 1742 } 1743 } 1744 1745 static void process_stat(struct perf_evsel *counter, u64 tstamp) 1746 { 1747 if (scripting_ops && scripting_ops->process_stat) 1748 scripting_ops->process_stat(&stat_config, counter, tstamp); 1749 else 1750 __process_stat(counter, tstamp); 1751 } 1752 1753 static void process_stat_interval(u64 tstamp) 1754 { 1755 if (scripting_ops && scripting_ops->process_stat_interval) 1756 scripting_ops->process_stat_interval(tstamp); 1757 } 1758 1759 static void setup_scripting(void) 1760 { 1761 setup_perl_scripting(); 1762 setup_python_scripting(); 1763 } 1764 1765 static int flush_scripting(void) 1766 { 1767 return scripting_ops ? scripting_ops->flush_script() : 0; 1768 } 1769 1770 static int cleanup_scripting(void) 1771 { 1772 pr_debug("\nperf script stopped\n"); 1773 1774 return scripting_ops ? scripting_ops->stop_script() : 0; 1775 } 1776 1777 static int process_sample_event(struct perf_tool *tool, 1778 union perf_event *event, 1779 struct perf_sample *sample, 1780 struct perf_evsel *evsel, 1781 struct machine *machine) 1782 { 1783 struct perf_script *scr = container_of(tool, struct perf_script, tool); 1784 struct addr_location al; 1785 1786 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num, 1787 sample->time)) { 1788 return 0; 1789 } 1790 1791 if (debug_mode) { 1792 if (sample->time < last_timestamp) { 1793 pr_err("Samples misordered, previous: %" PRIu64 1794 " this: %" PRIu64 "\n", last_timestamp, 1795 sample->time); 1796 nr_unordered++; 1797 } 1798 last_timestamp = sample->time; 1799 return 0; 1800 } 1801 1802 if (machine__resolve(machine, &al, sample) < 0) { 1803 pr_err("problem processing %d event, skipping it.\n", 1804 event->header.type); 1805 return -1; 1806 } 1807 1808 if (al.filtered) 1809 goto out_put; 1810 1811 if (cpu_list && !test_bit(sample->cpu, cpu_bitmap)) 1812 goto out_put; 1813 1814 if (scripting_ops) 1815 scripting_ops->process_event(event, sample, evsel, &al); 1816 else 1817 process_event(scr, sample, evsel, &al, machine); 1818 1819 out_put: 1820 addr_location__put(&al); 1821 return 0; 1822 } 1823 1824 static int process_attr(struct perf_tool *tool, union perf_event *event, 1825 struct perf_evlist **pevlist) 1826 { 1827 struct perf_script *scr = container_of(tool, struct perf_script, tool); 1828 struct perf_evlist *evlist; 1829 struct perf_evsel *evsel, *pos; 1830 int err; 1831 1832 err = perf_event__process_attr(tool, event, pevlist); 1833 if (err) 1834 return err; 1835 1836 evlist = *pevlist; 1837 evsel = perf_evlist__last(*pevlist); 1838 1839 if (evsel->attr.type >= PERF_TYPE_MAX && 1840 evsel->attr.type != PERF_TYPE_SYNTH) 1841 return 0; 1842 1843 evlist__for_each_entry(evlist, pos) { 1844 if (pos->attr.type == evsel->attr.type && pos != evsel) 1845 return 0; 1846 } 1847 1848 set_print_ip_opts(&evsel->attr); 1849 1850 if (evsel->attr.sample_type) 1851 err = perf_evsel__check_attr(evsel, scr->session); 1852 1853 return err; 1854 } 1855 1856 static int process_comm_event(struct perf_tool *tool, 1857 union perf_event *event, 1858 struct perf_sample *sample, 1859 struct machine *machine) 1860 { 1861 struct thread *thread; 1862 struct perf_script *script = container_of(tool, struct perf_script, tool); 1863 struct perf_session *session = script->session; 1864 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 1865 int ret = -1; 1866 1867 thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid); 1868 if (thread == NULL) { 1869 pr_debug("problem processing COMM event, skipping it.\n"); 1870 return -1; 1871 } 1872 1873 if (perf_event__process_comm(tool, event, sample, machine) < 0) 1874 goto out; 1875 1876 if (!evsel->attr.sample_id_all) { 1877 sample->cpu = 0; 1878 sample->time = 0; 1879 sample->tid = event->comm.tid; 1880 sample->pid = event->comm.pid; 1881 } 1882 perf_sample__fprintf_start(sample, thread, evsel, 1883 PERF_RECORD_COMM, stdout); 1884 perf_event__fprintf(event, stdout); 1885 ret = 0; 1886 out: 1887 thread__put(thread); 1888 return ret; 1889 } 1890 1891 static int process_namespaces_event(struct perf_tool *tool, 1892 union perf_event *event, 1893 struct perf_sample *sample, 1894 struct machine *machine) 1895 { 1896 struct thread *thread; 1897 struct perf_script *script = container_of(tool, struct perf_script, tool); 1898 struct perf_session *session = script->session; 1899 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 1900 int ret = -1; 1901 1902 thread = machine__findnew_thread(machine, event->namespaces.pid, 1903 event->namespaces.tid); 1904 if (thread == NULL) { 1905 pr_debug("problem processing NAMESPACES event, skipping it.\n"); 1906 return -1; 1907 } 1908 1909 if (perf_event__process_namespaces(tool, event, sample, machine) < 0) 1910 goto out; 1911 1912 if (!evsel->attr.sample_id_all) { 1913 sample->cpu = 0; 1914 sample->time = 0; 1915 sample->tid = event->namespaces.tid; 1916 sample->pid = event->namespaces.pid; 1917 } 1918 perf_sample__fprintf_start(sample, thread, evsel, 1919 PERF_RECORD_NAMESPACES, stdout); 1920 perf_event__fprintf(event, stdout); 1921 ret = 0; 1922 out: 1923 thread__put(thread); 1924 return ret; 1925 } 1926 1927 static int process_fork_event(struct perf_tool *tool, 1928 union perf_event *event, 1929 struct perf_sample *sample, 1930 struct machine *machine) 1931 { 1932 struct thread *thread; 1933 struct perf_script *script = container_of(tool, struct perf_script, tool); 1934 struct perf_session *session = script->session; 1935 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 1936 1937 if (perf_event__process_fork(tool, event, sample, machine) < 0) 1938 return -1; 1939 1940 thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid); 1941 if (thread == NULL) { 1942 pr_debug("problem processing FORK event, skipping it.\n"); 1943 return -1; 1944 } 1945 1946 if (!evsel->attr.sample_id_all) { 1947 sample->cpu = 0; 1948 sample->time = event->fork.time; 1949 sample->tid = event->fork.tid; 1950 sample->pid = event->fork.pid; 1951 } 1952 perf_sample__fprintf_start(sample, thread, evsel, 1953 PERF_RECORD_FORK, stdout); 1954 perf_event__fprintf(event, stdout); 1955 thread__put(thread); 1956 1957 return 0; 1958 } 1959 static int process_exit_event(struct perf_tool *tool, 1960 union perf_event *event, 1961 struct perf_sample *sample, 1962 struct machine *machine) 1963 { 1964 int err = 0; 1965 struct thread *thread; 1966 struct perf_script *script = container_of(tool, struct perf_script, tool); 1967 struct perf_session *session = script->session; 1968 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 1969 1970 thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid); 1971 if (thread == NULL) { 1972 pr_debug("problem processing EXIT event, skipping it.\n"); 1973 return -1; 1974 } 1975 1976 if (!evsel->attr.sample_id_all) { 1977 sample->cpu = 0; 1978 sample->time = 0; 1979 sample->tid = event->fork.tid; 1980 sample->pid = event->fork.pid; 1981 } 1982 perf_sample__fprintf_start(sample, thread, evsel, 1983 PERF_RECORD_EXIT, stdout); 1984 perf_event__fprintf(event, stdout); 1985 1986 if (perf_event__process_exit(tool, event, sample, machine) < 0) 1987 err = -1; 1988 1989 thread__put(thread); 1990 return err; 1991 } 1992 1993 static int process_mmap_event(struct perf_tool *tool, 1994 union perf_event *event, 1995 struct perf_sample *sample, 1996 struct machine *machine) 1997 { 1998 struct thread *thread; 1999 struct perf_script *script = container_of(tool, struct perf_script, tool); 2000 struct perf_session *session = script->session; 2001 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2002 2003 if (perf_event__process_mmap(tool, event, sample, machine) < 0) 2004 return -1; 2005 2006 thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid); 2007 if (thread == NULL) { 2008 pr_debug("problem processing MMAP event, skipping it.\n"); 2009 return -1; 2010 } 2011 2012 if (!evsel->attr.sample_id_all) { 2013 sample->cpu = 0; 2014 sample->time = 0; 2015 sample->tid = event->mmap.tid; 2016 sample->pid = event->mmap.pid; 2017 } 2018 perf_sample__fprintf_start(sample, thread, evsel, 2019 PERF_RECORD_MMAP, stdout); 2020 perf_event__fprintf(event, stdout); 2021 thread__put(thread); 2022 return 0; 2023 } 2024 2025 static int process_mmap2_event(struct perf_tool *tool, 2026 union perf_event *event, 2027 struct perf_sample *sample, 2028 struct machine *machine) 2029 { 2030 struct thread *thread; 2031 struct perf_script *script = container_of(tool, struct perf_script, tool); 2032 struct perf_session *session = script->session; 2033 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2034 2035 if (perf_event__process_mmap2(tool, event, sample, machine) < 0) 2036 return -1; 2037 2038 thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid); 2039 if (thread == NULL) { 2040 pr_debug("problem processing MMAP2 event, skipping it.\n"); 2041 return -1; 2042 } 2043 2044 if (!evsel->attr.sample_id_all) { 2045 sample->cpu = 0; 2046 sample->time = 0; 2047 sample->tid = event->mmap2.tid; 2048 sample->pid = event->mmap2.pid; 2049 } 2050 perf_sample__fprintf_start(sample, thread, evsel, 2051 PERF_RECORD_MMAP2, stdout); 2052 perf_event__fprintf(event, stdout); 2053 thread__put(thread); 2054 return 0; 2055 } 2056 2057 static int process_switch_event(struct perf_tool *tool, 2058 union perf_event *event, 2059 struct perf_sample *sample, 2060 struct machine *machine) 2061 { 2062 struct thread *thread; 2063 struct perf_script *script = container_of(tool, struct perf_script, tool); 2064 struct perf_session *session = script->session; 2065 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2066 2067 if (perf_event__process_switch(tool, event, sample, machine) < 0) 2068 return -1; 2069 2070 thread = machine__findnew_thread(machine, sample->pid, 2071 sample->tid); 2072 if (thread == NULL) { 2073 pr_debug("problem processing SWITCH event, skipping it.\n"); 2074 return -1; 2075 } 2076 2077 perf_sample__fprintf_start(sample, thread, evsel, 2078 PERF_RECORD_SWITCH, stdout); 2079 perf_event__fprintf(event, stdout); 2080 thread__put(thread); 2081 return 0; 2082 } 2083 2084 static int 2085 process_lost_event(struct perf_tool *tool, 2086 union perf_event *event, 2087 struct perf_sample *sample, 2088 struct machine *machine) 2089 { 2090 struct perf_script *script = container_of(tool, struct perf_script, tool); 2091 struct perf_session *session = script->session; 2092 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2093 struct thread *thread; 2094 2095 thread = machine__findnew_thread(machine, sample->pid, 2096 sample->tid); 2097 if (thread == NULL) 2098 return -1; 2099 2100 perf_sample__fprintf_start(sample, thread, evsel, 2101 PERF_RECORD_LOST, stdout); 2102 perf_event__fprintf(event, stdout); 2103 thread__put(thread); 2104 return 0; 2105 } 2106 2107 static void sig_handler(int sig __maybe_unused) 2108 { 2109 session_done = 1; 2110 } 2111 2112 static void perf_script__fclose_per_event_dump(struct perf_script *script) 2113 { 2114 struct perf_evlist *evlist = script->session->evlist; 2115 struct perf_evsel *evsel; 2116 2117 evlist__for_each_entry(evlist, evsel) { 2118 if (!evsel->priv) 2119 break; 2120 perf_evsel_script__delete(evsel->priv); 2121 evsel->priv = NULL; 2122 } 2123 } 2124 2125 static int perf_script__fopen_per_event_dump(struct perf_script *script) 2126 { 2127 struct perf_evsel *evsel; 2128 2129 evlist__for_each_entry(script->session->evlist, evsel) { 2130 /* 2131 * Already setup? I.e. we may be called twice in cases like 2132 * Intel PT, one for the intel_pt// and dummy events, then 2133 * for the evsels syntheized from the auxtrace info. 2134 * 2135 * Ses perf_script__process_auxtrace_info. 2136 */ 2137 if (evsel->priv != NULL) 2138 continue; 2139 2140 evsel->priv = perf_evsel_script__new(evsel, script->session->data); 2141 if (evsel->priv == NULL) 2142 goto out_err_fclose; 2143 } 2144 2145 return 0; 2146 2147 out_err_fclose: 2148 perf_script__fclose_per_event_dump(script); 2149 return -1; 2150 } 2151 2152 static int perf_script__setup_per_event_dump(struct perf_script *script) 2153 { 2154 struct perf_evsel *evsel; 2155 static struct perf_evsel_script es_stdout; 2156 2157 if (script->per_event_dump) 2158 return perf_script__fopen_per_event_dump(script); 2159 2160 es_stdout.fp = stdout; 2161 2162 evlist__for_each_entry(script->session->evlist, evsel) 2163 evsel->priv = &es_stdout; 2164 2165 return 0; 2166 } 2167 2168 static void perf_script__exit_per_event_dump_stats(struct perf_script *script) 2169 { 2170 struct perf_evsel *evsel; 2171 2172 evlist__for_each_entry(script->session->evlist, evsel) { 2173 struct perf_evsel_script *es = evsel->priv; 2174 2175 perf_evsel_script__fprintf(es, stdout); 2176 perf_evsel_script__delete(es); 2177 evsel->priv = NULL; 2178 } 2179 } 2180 2181 static int __cmd_script(struct perf_script *script) 2182 { 2183 int ret; 2184 2185 signal(SIGINT, sig_handler); 2186 2187 /* override event processing functions */ 2188 if (script->show_task_events) { 2189 script->tool.comm = process_comm_event; 2190 script->tool.fork = process_fork_event; 2191 script->tool.exit = process_exit_event; 2192 } 2193 if (script->show_mmap_events) { 2194 script->tool.mmap = process_mmap_event; 2195 script->tool.mmap2 = process_mmap2_event; 2196 } 2197 if (script->show_switch_events) 2198 script->tool.context_switch = process_switch_event; 2199 if (script->show_namespace_events) 2200 script->tool.namespaces = process_namespaces_event; 2201 if (script->show_lost_events) 2202 script->tool.lost = process_lost_event; 2203 2204 if (perf_script__setup_per_event_dump(script)) { 2205 pr_err("Couldn't create the per event dump files\n"); 2206 return -1; 2207 } 2208 2209 ret = perf_session__process_events(script->session); 2210 2211 if (script->per_event_dump) 2212 perf_script__exit_per_event_dump_stats(script); 2213 2214 if (debug_mode) 2215 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); 2216 2217 return ret; 2218 } 2219 2220 struct script_spec { 2221 struct list_head node; 2222 struct scripting_ops *ops; 2223 char spec[0]; 2224 }; 2225 2226 static LIST_HEAD(script_specs); 2227 2228 static struct script_spec *script_spec__new(const char *spec, 2229 struct scripting_ops *ops) 2230 { 2231 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); 2232 2233 if (s != NULL) { 2234 strcpy(s->spec, spec); 2235 s->ops = ops; 2236 } 2237 2238 return s; 2239 } 2240 2241 static void script_spec__add(struct script_spec *s) 2242 { 2243 list_add_tail(&s->node, &script_specs); 2244 } 2245 2246 static struct script_spec *script_spec__find(const char *spec) 2247 { 2248 struct script_spec *s; 2249 2250 list_for_each_entry(s, &script_specs, node) 2251 if (strcasecmp(s->spec, spec) == 0) 2252 return s; 2253 return NULL; 2254 } 2255 2256 int script_spec_register(const char *spec, struct scripting_ops *ops) 2257 { 2258 struct script_spec *s; 2259 2260 s = script_spec__find(spec); 2261 if (s) 2262 return -1; 2263 2264 s = script_spec__new(spec, ops); 2265 if (!s) 2266 return -1; 2267 else 2268 script_spec__add(s); 2269 2270 return 0; 2271 } 2272 2273 static struct scripting_ops *script_spec__lookup(const char *spec) 2274 { 2275 struct script_spec *s = script_spec__find(spec); 2276 if (!s) 2277 return NULL; 2278 2279 return s->ops; 2280 } 2281 2282 static void list_available_languages(void) 2283 { 2284 struct script_spec *s; 2285 2286 fprintf(stderr, "\n"); 2287 fprintf(stderr, "Scripting language extensions (used in " 2288 "perf script -s [spec:]script.[spec]):\n\n"); 2289 2290 list_for_each_entry(s, &script_specs, node) 2291 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); 2292 2293 fprintf(stderr, "\n"); 2294 } 2295 2296 static int parse_scriptname(const struct option *opt __maybe_unused, 2297 const char *str, int unset __maybe_unused) 2298 { 2299 char spec[PATH_MAX]; 2300 const char *script, *ext; 2301 int len; 2302 2303 if (strcmp(str, "lang") == 0) { 2304 list_available_languages(); 2305 exit(0); 2306 } 2307 2308 script = strchr(str, ':'); 2309 if (script) { 2310 len = script - str; 2311 if (len >= PATH_MAX) { 2312 fprintf(stderr, "invalid language specifier"); 2313 return -1; 2314 } 2315 strncpy(spec, str, len); 2316 spec[len] = '\0'; 2317 scripting_ops = script_spec__lookup(spec); 2318 if (!scripting_ops) { 2319 fprintf(stderr, "invalid language specifier"); 2320 return -1; 2321 } 2322 script++; 2323 } else { 2324 script = str; 2325 ext = strrchr(script, '.'); 2326 if (!ext) { 2327 fprintf(stderr, "invalid script extension"); 2328 return -1; 2329 } 2330 scripting_ops = script_spec__lookup(++ext); 2331 if (!scripting_ops) { 2332 fprintf(stderr, "invalid script extension"); 2333 return -1; 2334 } 2335 } 2336 2337 script_name = strdup(script); 2338 2339 return 0; 2340 } 2341 2342 static int parse_output_fields(const struct option *opt __maybe_unused, 2343 const char *arg, int unset __maybe_unused) 2344 { 2345 char *tok, *strtok_saveptr = NULL; 2346 int i, imax = ARRAY_SIZE(all_output_options); 2347 int j; 2348 int rc = 0; 2349 char *str = strdup(arg); 2350 int type = -1; 2351 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT; 2352 2353 if (!str) 2354 return -ENOMEM; 2355 2356 /* first word can state for which event type the user is specifying 2357 * the fields. If no type exists, the specified fields apply to all 2358 * event types found in the file minus the invalid fields for a type. 2359 */ 2360 tok = strchr(str, ':'); 2361 if (tok) { 2362 *tok = '\0'; 2363 tok++; 2364 if (!strcmp(str, "hw")) 2365 type = PERF_TYPE_HARDWARE; 2366 else if (!strcmp(str, "sw")) 2367 type = PERF_TYPE_SOFTWARE; 2368 else if (!strcmp(str, "trace")) 2369 type = PERF_TYPE_TRACEPOINT; 2370 else if (!strcmp(str, "raw")) 2371 type = PERF_TYPE_RAW; 2372 else if (!strcmp(str, "break")) 2373 type = PERF_TYPE_BREAKPOINT; 2374 else if (!strcmp(str, "synth")) 2375 type = OUTPUT_TYPE_SYNTH; 2376 else { 2377 fprintf(stderr, "Invalid event type in field string.\n"); 2378 rc = -EINVAL; 2379 goto out; 2380 } 2381 2382 if (output[type].user_set) 2383 pr_warning("Overriding previous field request for %s events.\n", 2384 event_type(type)); 2385 2386 output[type].fields = 0; 2387 output[type].user_set = true; 2388 output[type].wildcard_set = false; 2389 2390 } else { 2391 tok = str; 2392 if (strlen(str) == 0) { 2393 fprintf(stderr, 2394 "Cannot set fields to 'none' for all event types.\n"); 2395 rc = -EINVAL; 2396 goto out; 2397 } 2398 2399 /* Don't override defaults for +- */ 2400 if (strchr(str, '+') || strchr(str, '-')) 2401 goto parse; 2402 2403 if (output_set_by_user()) 2404 pr_warning("Overriding previous field request for all events.\n"); 2405 2406 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 2407 output[j].fields = 0; 2408 output[j].user_set = true; 2409 output[j].wildcard_set = true; 2410 } 2411 } 2412 2413 parse: 2414 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) { 2415 if (*tok == '+') { 2416 if (change == SET) 2417 goto out_badmix; 2418 change = ADD; 2419 tok++; 2420 } else if (*tok == '-') { 2421 if (change == SET) 2422 goto out_badmix; 2423 change = REMOVE; 2424 tok++; 2425 } else { 2426 if (change != SET && change != DEFAULT) 2427 goto out_badmix; 2428 change = SET; 2429 } 2430 2431 for (i = 0; i < imax; ++i) { 2432 if (strcmp(tok, all_output_options[i].str) == 0) 2433 break; 2434 } 2435 if (i == imax && strcmp(tok, "flags") == 0) { 2436 print_flags = change == REMOVE ? false : true; 2437 continue; 2438 } 2439 if (i == imax) { 2440 fprintf(stderr, "Invalid field requested.\n"); 2441 rc = -EINVAL; 2442 goto out; 2443 } 2444 2445 if (type == -1) { 2446 /* add user option to all events types for 2447 * which it is valid 2448 */ 2449 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 2450 if (output[j].invalid_fields & all_output_options[i].field) { 2451 pr_warning("\'%s\' not valid for %s events. Ignoring.\n", 2452 all_output_options[i].str, event_type(j)); 2453 } else { 2454 if (change == REMOVE) 2455 output[j].fields &= ~all_output_options[i].field; 2456 else 2457 output[j].fields |= all_output_options[i].field; 2458 } 2459 } 2460 } else { 2461 if (output[type].invalid_fields & all_output_options[i].field) { 2462 fprintf(stderr, "\'%s\' not valid for %s events.\n", 2463 all_output_options[i].str, event_type(type)); 2464 2465 rc = -EINVAL; 2466 goto out; 2467 } 2468 output[type].fields |= all_output_options[i].field; 2469 } 2470 } 2471 2472 if (type >= 0) { 2473 if (output[type].fields == 0) { 2474 pr_debug("No fields requested for %s type. " 2475 "Events will not be displayed.\n", event_type(type)); 2476 } 2477 } 2478 goto out; 2479 2480 out_badmix: 2481 fprintf(stderr, "Cannot mix +-field with overridden fields\n"); 2482 rc = -EINVAL; 2483 out: 2484 free(str); 2485 return rc; 2486 } 2487 2488 #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \ 2489 while ((lang_dirent = readdir(scripts_dir)) != NULL) \ 2490 if ((lang_dirent->d_type == DT_DIR || \ 2491 (lang_dirent->d_type == DT_UNKNOWN && \ 2492 is_directory(scripts_path, lang_dirent))) && \ 2493 (strcmp(lang_dirent->d_name, ".")) && \ 2494 (strcmp(lang_dirent->d_name, ".."))) 2495 2496 #define for_each_script(lang_path, lang_dir, script_dirent) \ 2497 while ((script_dirent = readdir(lang_dir)) != NULL) \ 2498 if (script_dirent->d_type != DT_DIR && \ 2499 (script_dirent->d_type != DT_UNKNOWN || \ 2500 !is_directory(lang_path, script_dirent))) 2501 2502 2503 #define RECORD_SUFFIX "-record" 2504 #define REPORT_SUFFIX "-report" 2505 2506 struct script_desc { 2507 struct list_head node; 2508 char *name; 2509 char *half_liner; 2510 char *args; 2511 }; 2512 2513 static LIST_HEAD(script_descs); 2514 2515 static struct script_desc *script_desc__new(const char *name) 2516 { 2517 struct script_desc *s = zalloc(sizeof(*s)); 2518 2519 if (s != NULL && name) 2520 s->name = strdup(name); 2521 2522 return s; 2523 } 2524 2525 static void script_desc__delete(struct script_desc *s) 2526 { 2527 zfree(&s->name); 2528 zfree(&s->half_liner); 2529 zfree(&s->args); 2530 free(s); 2531 } 2532 2533 static void script_desc__add(struct script_desc *s) 2534 { 2535 list_add_tail(&s->node, &script_descs); 2536 } 2537 2538 static struct script_desc *script_desc__find(const char *name) 2539 { 2540 struct script_desc *s; 2541 2542 list_for_each_entry(s, &script_descs, node) 2543 if (strcasecmp(s->name, name) == 0) 2544 return s; 2545 return NULL; 2546 } 2547 2548 static struct script_desc *script_desc__findnew(const char *name) 2549 { 2550 struct script_desc *s = script_desc__find(name); 2551 2552 if (s) 2553 return s; 2554 2555 s = script_desc__new(name); 2556 if (!s) 2557 return NULL; 2558 2559 script_desc__add(s); 2560 2561 return s; 2562 } 2563 2564 static const char *ends_with(const char *str, const char *suffix) 2565 { 2566 size_t suffix_len = strlen(suffix); 2567 const char *p = str; 2568 2569 if (strlen(str) > suffix_len) { 2570 p = str + strlen(str) - suffix_len; 2571 if (!strncmp(p, suffix, suffix_len)) 2572 return p; 2573 } 2574 2575 return NULL; 2576 } 2577 2578 static int read_script_info(struct script_desc *desc, const char *filename) 2579 { 2580 char line[BUFSIZ], *p; 2581 FILE *fp; 2582 2583 fp = fopen(filename, "r"); 2584 if (!fp) 2585 return -1; 2586 2587 while (fgets(line, sizeof(line), fp)) { 2588 p = ltrim(line); 2589 if (strlen(p) == 0) 2590 continue; 2591 if (*p != '#') 2592 continue; 2593 p++; 2594 if (strlen(p) && *p == '!') 2595 continue; 2596 2597 p = ltrim(p); 2598 if (strlen(p) && p[strlen(p) - 1] == '\n') 2599 p[strlen(p) - 1] = '\0'; 2600 2601 if (!strncmp(p, "description:", strlen("description:"))) { 2602 p += strlen("description:"); 2603 desc->half_liner = strdup(ltrim(p)); 2604 continue; 2605 } 2606 2607 if (!strncmp(p, "args:", strlen("args:"))) { 2608 p += strlen("args:"); 2609 desc->args = strdup(ltrim(p)); 2610 continue; 2611 } 2612 } 2613 2614 fclose(fp); 2615 2616 return 0; 2617 } 2618 2619 static char *get_script_root(struct dirent *script_dirent, const char *suffix) 2620 { 2621 char *script_root, *str; 2622 2623 script_root = strdup(script_dirent->d_name); 2624 if (!script_root) 2625 return NULL; 2626 2627 str = (char *)ends_with(script_root, suffix); 2628 if (!str) { 2629 free(script_root); 2630 return NULL; 2631 } 2632 2633 *str = '\0'; 2634 return script_root; 2635 } 2636 2637 static int list_available_scripts(const struct option *opt __maybe_unused, 2638 const char *s __maybe_unused, 2639 int unset __maybe_unused) 2640 { 2641 struct dirent *script_dirent, *lang_dirent; 2642 char scripts_path[MAXPATHLEN]; 2643 DIR *scripts_dir, *lang_dir; 2644 char script_path[MAXPATHLEN]; 2645 char lang_path[MAXPATHLEN]; 2646 struct script_desc *desc; 2647 char first_half[BUFSIZ]; 2648 char *script_root; 2649 2650 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 2651 2652 scripts_dir = opendir(scripts_path); 2653 if (!scripts_dir) { 2654 fprintf(stdout, 2655 "open(%s) failed.\n" 2656 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n", 2657 scripts_path); 2658 exit(-1); 2659 } 2660 2661 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 2662 snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 2663 lang_dirent->d_name); 2664 lang_dir = opendir(lang_path); 2665 if (!lang_dir) 2666 continue; 2667 2668 for_each_script(lang_path, lang_dir, script_dirent) { 2669 script_root = get_script_root(script_dirent, REPORT_SUFFIX); 2670 if (script_root) { 2671 desc = script_desc__findnew(script_root); 2672 snprintf(script_path, MAXPATHLEN, "%s/%s", 2673 lang_path, script_dirent->d_name); 2674 read_script_info(desc, script_path); 2675 free(script_root); 2676 } 2677 } 2678 } 2679 2680 fprintf(stdout, "List of available trace scripts:\n"); 2681 list_for_each_entry(desc, &script_descs, node) { 2682 sprintf(first_half, "%s %s", desc->name, 2683 desc->args ? desc->args : ""); 2684 fprintf(stdout, " %-36s %s\n", first_half, 2685 desc->half_liner ? desc->half_liner : ""); 2686 } 2687 2688 exit(0); 2689 } 2690 2691 /* 2692 * Some scripts specify the required events in their "xxx-record" file, 2693 * this function will check if the events in perf.data match those 2694 * mentioned in the "xxx-record". 2695 * 2696 * Fixme: All existing "xxx-record" are all in good formats "-e event ", 2697 * which is covered well now. And new parsing code should be added to 2698 * cover the future complexing formats like event groups etc. 2699 */ 2700 static int check_ev_match(char *dir_name, char *scriptname, 2701 struct perf_session *session) 2702 { 2703 char filename[MAXPATHLEN], evname[128]; 2704 char line[BUFSIZ], *p; 2705 struct perf_evsel *pos; 2706 int match, len; 2707 FILE *fp; 2708 2709 sprintf(filename, "%s/bin/%s-record", dir_name, scriptname); 2710 2711 fp = fopen(filename, "r"); 2712 if (!fp) 2713 return -1; 2714 2715 while (fgets(line, sizeof(line), fp)) { 2716 p = ltrim(line); 2717 if (*p == '#') 2718 continue; 2719 2720 while (strlen(p)) { 2721 p = strstr(p, "-e"); 2722 if (!p) 2723 break; 2724 2725 p += 2; 2726 p = ltrim(p); 2727 len = strcspn(p, " \t"); 2728 if (!len) 2729 break; 2730 2731 snprintf(evname, len + 1, "%s", p); 2732 2733 match = 0; 2734 evlist__for_each_entry(session->evlist, pos) { 2735 if (!strcmp(perf_evsel__name(pos), evname)) { 2736 match = 1; 2737 break; 2738 } 2739 } 2740 2741 if (!match) { 2742 fclose(fp); 2743 return -1; 2744 } 2745 } 2746 } 2747 2748 fclose(fp); 2749 return 0; 2750 } 2751 2752 /* 2753 * Return -1 if none is found, otherwise the actual scripts number. 2754 * 2755 * Currently the only user of this function is the script browser, which 2756 * will list all statically runnable scripts, select one, execute it and 2757 * show the output in a perf browser. 2758 */ 2759 int find_scripts(char **scripts_array, char **scripts_path_array) 2760 { 2761 struct dirent *script_dirent, *lang_dirent; 2762 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; 2763 DIR *scripts_dir, *lang_dir; 2764 struct perf_session *session; 2765 struct perf_data data = { 2766 .file = { 2767 .path = input_name, 2768 }, 2769 .mode = PERF_DATA_MODE_READ, 2770 }; 2771 char *temp; 2772 int i = 0; 2773 2774 session = perf_session__new(&data, false, NULL); 2775 if (!session) 2776 return -1; 2777 2778 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 2779 2780 scripts_dir = opendir(scripts_path); 2781 if (!scripts_dir) { 2782 perf_session__delete(session); 2783 return -1; 2784 } 2785 2786 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 2787 snprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, 2788 lang_dirent->d_name); 2789 #ifdef NO_LIBPERL 2790 if (strstr(lang_path, "perl")) 2791 continue; 2792 #endif 2793 #ifdef NO_LIBPYTHON 2794 if (strstr(lang_path, "python")) 2795 continue; 2796 #endif 2797 2798 lang_dir = opendir(lang_path); 2799 if (!lang_dir) 2800 continue; 2801 2802 for_each_script(lang_path, lang_dir, script_dirent) { 2803 /* Skip those real time scripts: xxxtop.p[yl] */ 2804 if (strstr(script_dirent->d_name, "top.")) 2805 continue; 2806 sprintf(scripts_path_array[i], "%s/%s", lang_path, 2807 script_dirent->d_name); 2808 temp = strchr(script_dirent->d_name, '.'); 2809 snprintf(scripts_array[i], 2810 (temp - script_dirent->d_name) + 1, 2811 "%s", script_dirent->d_name); 2812 2813 if (check_ev_match(lang_path, 2814 scripts_array[i], session)) 2815 continue; 2816 2817 i++; 2818 } 2819 closedir(lang_dir); 2820 } 2821 2822 closedir(scripts_dir); 2823 perf_session__delete(session); 2824 return i; 2825 } 2826 2827 static char *get_script_path(const char *script_root, const char *suffix) 2828 { 2829 struct dirent *script_dirent, *lang_dirent; 2830 char scripts_path[MAXPATHLEN]; 2831 char script_path[MAXPATHLEN]; 2832 DIR *scripts_dir, *lang_dir; 2833 char lang_path[MAXPATHLEN]; 2834 char *__script_root; 2835 2836 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 2837 2838 scripts_dir = opendir(scripts_path); 2839 if (!scripts_dir) 2840 return NULL; 2841 2842 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 2843 snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 2844 lang_dirent->d_name); 2845 lang_dir = opendir(lang_path); 2846 if (!lang_dir) 2847 continue; 2848 2849 for_each_script(lang_path, lang_dir, script_dirent) { 2850 __script_root = get_script_root(script_dirent, suffix); 2851 if (__script_root && !strcmp(script_root, __script_root)) { 2852 free(__script_root); 2853 closedir(lang_dir); 2854 closedir(scripts_dir); 2855 snprintf(script_path, MAXPATHLEN, "%s/%s", 2856 lang_path, script_dirent->d_name); 2857 return strdup(script_path); 2858 } 2859 free(__script_root); 2860 } 2861 closedir(lang_dir); 2862 } 2863 closedir(scripts_dir); 2864 2865 return NULL; 2866 } 2867 2868 static bool is_top_script(const char *script_path) 2869 { 2870 return ends_with(script_path, "top") == NULL ? false : true; 2871 } 2872 2873 static int has_required_arg(char *script_path) 2874 { 2875 struct script_desc *desc; 2876 int n_args = 0; 2877 char *p; 2878 2879 desc = script_desc__new(NULL); 2880 2881 if (read_script_info(desc, script_path)) 2882 goto out; 2883 2884 if (!desc->args) 2885 goto out; 2886 2887 for (p = desc->args; *p; p++) 2888 if (*p == '<') 2889 n_args++; 2890 out: 2891 script_desc__delete(desc); 2892 2893 return n_args; 2894 } 2895 2896 static int have_cmd(int argc, const char **argv) 2897 { 2898 char **__argv = malloc(sizeof(const char *) * argc); 2899 2900 if (!__argv) { 2901 pr_err("malloc failed\n"); 2902 return -1; 2903 } 2904 2905 memcpy(__argv, argv, sizeof(const char *) * argc); 2906 argc = parse_options(argc, (const char **)__argv, record_options, 2907 NULL, PARSE_OPT_STOP_AT_NON_OPTION); 2908 free(__argv); 2909 2910 system_wide = (argc == 0); 2911 2912 return 0; 2913 } 2914 2915 static void script__setup_sample_type(struct perf_script *script) 2916 { 2917 struct perf_session *session = script->session; 2918 u64 sample_type = perf_evlist__combined_sample_type(session->evlist); 2919 2920 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) { 2921 if ((sample_type & PERF_SAMPLE_REGS_USER) && 2922 (sample_type & PERF_SAMPLE_STACK_USER)) { 2923 callchain_param.record_mode = CALLCHAIN_DWARF; 2924 dwarf_callchain_users = true; 2925 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK) 2926 callchain_param.record_mode = CALLCHAIN_LBR; 2927 else 2928 callchain_param.record_mode = CALLCHAIN_FP; 2929 } 2930 } 2931 2932 static int process_stat_round_event(struct perf_tool *tool __maybe_unused, 2933 union perf_event *event, 2934 struct perf_session *session) 2935 { 2936 struct stat_round_event *round = &event->stat_round; 2937 struct perf_evsel *counter; 2938 2939 evlist__for_each_entry(session->evlist, counter) { 2940 perf_stat_process_counter(&stat_config, counter); 2941 process_stat(counter, round->time); 2942 } 2943 2944 process_stat_interval(round->time); 2945 return 0; 2946 } 2947 2948 static int process_stat_config_event(struct perf_tool *tool __maybe_unused, 2949 union perf_event *event, 2950 struct perf_session *session __maybe_unused) 2951 { 2952 perf_event__read_stat_config(&stat_config, &event->stat_config); 2953 return 0; 2954 } 2955 2956 static int set_maps(struct perf_script *script) 2957 { 2958 struct perf_evlist *evlist = script->session->evlist; 2959 2960 if (!script->cpus || !script->threads) 2961 return 0; 2962 2963 if (WARN_ONCE(script->allocated, "stats double allocation\n")) 2964 return -EINVAL; 2965 2966 perf_evlist__set_maps(evlist, script->cpus, script->threads); 2967 2968 if (perf_evlist__alloc_stats(evlist, true)) 2969 return -ENOMEM; 2970 2971 script->allocated = true; 2972 return 0; 2973 } 2974 2975 static 2976 int process_thread_map_event(struct perf_tool *tool, 2977 union perf_event *event, 2978 struct perf_session *session __maybe_unused) 2979 { 2980 struct perf_script *script = container_of(tool, struct perf_script, tool); 2981 2982 if (script->threads) { 2983 pr_warning("Extra thread map event, ignoring.\n"); 2984 return 0; 2985 } 2986 2987 script->threads = thread_map__new_event(&event->thread_map); 2988 if (!script->threads) 2989 return -ENOMEM; 2990 2991 return set_maps(script); 2992 } 2993 2994 static 2995 int process_cpu_map_event(struct perf_tool *tool __maybe_unused, 2996 union perf_event *event, 2997 struct perf_session *session __maybe_unused) 2998 { 2999 struct perf_script *script = container_of(tool, struct perf_script, tool); 3000 3001 if (script->cpus) { 3002 pr_warning("Extra cpu map event, ignoring.\n"); 3003 return 0; 3004 } 3005 3006 script->cpus = cpu_map__new_data(&event->cpu_map.data); 3007 if (!script->cpus) 3008 return -ENOMEM; 3009 3010 return set_maps(script); 3011 } 3012 3013 #ifdef HAVE_AUXTRACE_SUPPORT 3014 static int perf_script__process_auxtrace_info(struct perf_tool *tool, 3015 union perf_event *event, 3016 struct perf_session *session) 3017 { 3018 int ret = perf_event__process_auxtrace_info(tool, event, session); 3019 3020 if (ret == 0) { 3021 struct perf_script *script = container_of(tool, struct perf_script, tool); 3022 3023 ret = perf_script__setup_per_event_dump(script); 3024 } 3025 3026 return ret; 3027 } 3028 #else 3029 #define perf_script__process_auxtrace_info 0 3030 #endif 3031 3032 int cmd_script(int argc, const char **argv) 3033 { 3034 bool show_full_info = false; 3035 bool header = false; 3036 bool header_only = false; 3037 bool script_started = false; 3038 char *rec_script_path = NULL; 3039 char *rep_script_path = NULL; 3040 struct perf_session *session; 3041 struct itrace_synth_opts itrace_synth_opts = { .set = false, }; 3042 char *script_path = NULL; 3043 const char **__argv; 3044 int i, j, err = 0; 3045 struct perf_script script = { 3046 .tool = { 3047 .sample = process_sample_event, 3048 .mmap = perf_event__process_mmap, 3049 .mmap2 = perf_event__process_mmap2, 3050 .comm = perf_event__process_comm, 3051 .namespaces = perf_event__process_namespaces, 3052 .exit = perf_event__process_exit, 3053 .fork = perf_event__process_fork, 3054 .attr = process_attr, 3055 .event_update = perf_event__process_event_update, 3056 .tracing_data = perf_event__process_tracing_data, 3057 .feature = perf_event__process_feature, 3058 .build_id = perf_event__process_build_id, 3059 .id_index = perf_event__process_id_index, 3060 .auxtrace_info = perf_script__process_auxtrace_info, 3061 .auxtrace = perf_event__process_auxtrace, 3062 .auxtrace_error = perf_event__process_auxtrace_error, 3063 .stat = perf_event__process_stat_event, 3064 .stat_round = process_stat_round_event, 3065 .stat_config = process_stat_config_event, 3066 .thread_map = process_thread_map_event, 3067 .cpu_map = process_cpu_map_event, 3068 .ordered_events = true, 3069 .ordering_requires_timestamps = true, 3070 }, 3071 }; 3072 struct perf_data data = { 3073 .mode = PERF_DATA_MODE_READ, 3074 }; 3075 const struct option options[] = { 3076 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 3077 "dump raw trace in ASCII"), 3078 OPT_INCR('v', "verbose", &verbose, 3079 "be more verbose (show symbol address, etc)"), 3080 OPT_BOOLEAN('L', "Latency", &latency_format, 3081 "show latency attributes (irqs/preemption disabled, etc)"), 3082 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", 3083 list_available_scripts), 3084 OPT_CALLBACK('s', "script", NULL, "name", 3085 "script file name (lang:script name, script name, or *)", 3086 parse_scriptname), 3087 OPT_STRING('g', "gen-script", &generate_script_lang, "lang", 3088 "generate perf-script.xx script in specified language"), 3089 OPT_STRING('i', "input", &input_name, "file", "input file name"), 3090 OPT_BOOLEAN('d', "debug-mode", &debug_mode, 3091 "do various checks like samples ordering and lost events"), 3092 OPT_BOOLEAN(0, "header", &header, "Show data header."), 3093 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."), 3094 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 3095 "file", "vmlinux pathname"), 3096 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 3097 "file", "kallsyms pathname"), 3098 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, 3099 "When printing symbols do not display call chain"), 3100 OPT_CALLBACK(0, "symfs", NULL, "directory", 3101 "Look for files with symbols relative to this directory", 3102 symbol__config_symfs), 3103 OPT_CALLBACK('F', "fields", NULL, "str", 3104 "comma separated output fields prepend with 'type:'. " 3105 "+field to add and -field to remove." 3106 "Valid types: hw,sw,trace,raw,synth. " 3107 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso," 3108 "addr,symoff,period,iregs,uregs,brstack,brstacksym,flags," 3109 "bpf-output,callindent,insn,insnlen,brstackinsn,synth,phys_addr", 3110 parse_output_fields), 3111 OPT_BOOLEAN('a', "all-cpus", &system_wide, 3112 "system-wide collection from all CPUs"), 3113 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 3114 "only consider these symbols"), 3115 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]", 3116 "Stop display of callgraph at these symbols"), 3117 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), 3118 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 3119 "only display events for these comms"), 3120 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 3121 "only consider symbols in these pids"), 3122 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 3123 "only consider symbols in these tids"), 3124 OPT_UINTEGER(0, "max-stack", &scripting_max_stack, 3125 "Set the maximum stack depth when parsing the callchain, " 3126 "anything beyond the specified depth will be ignored. " 3127 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 3128 OPT_BOOLEAN('I', "show-info", &show_full_info, 3129 "display extended information from perf.data file"), 3130 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, 3131 "Show the path of [kernel.kallsyms]"), 3132 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, 3133 "Show the fork/comm/exit events"), 3134 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, 3135 "Show the mmap events"), 3136 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events, 3137 "Show context switch events (if recorded)"), 3138 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events, 3139 "Show namespace events (if recorded)"), 3140 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events, 3141 "Show lost events (if recorded)"), 3142 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump, 3143 "Dump trace output to files named by the monitored events"), 3144 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 3145 OPT_INTEGER(0, "max-blocks", &max_blocks, 3146 "Maximum number of code blocks to dump with brstackinsn"), 3147 OPT_BOOLEAN(0, "ns", &nanosecs, 3148 "Use 9 decimal places when displaying time"), 3149 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 3150 "Instruction Tracing options", 3151 itrace_parse_synth_opts), 3152 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 3153 "Show full source file name path for source lines"), 3154 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 3155 "Enable symbol demangling"), 3156 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 3157 "Enable kernel symbol demangling"), 3158 OPT_STRING(0, "time", &script.time_str, "str", 3159 "Time span of interest (start,stop)"), 3160 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 3161 "Show inline function"), 3162 OPT_END() 3163 }; 3164 const char * const script_subcommands[] = { "record", "report", NULL }; 3165 const char *script_usage[] = { 3166 "perf script [<options>]", 3167 "perf script [<options>] record <script> [<record-options>] <command>", 3168 "perf script [<options>] report <script> [script-args]", 3169 "perf script [<options>] <script> [<record-options>] <command>", 3170 "perf script [<options>] <top-script> [script-args]", 3171 NULL 3172 }; 3173 3174 perf_set_singlethreaded(); 3175 3176 setup_scripting(); 3177 3178 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage, 3179 PARSE_OPT_STOP_AT_NON_OPTION); 3180 3181 data.file.path = input_name; 3182 data.force = symbol_conf.force; 3183 3184 if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) { 3185 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); 3186 if (!rec_script_path) 3187 return cmd_record(argc, argv); 3188 } 3189 3190 if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) { 3191 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); 3192 if (!rep_script_path) { 3193 fprintf(stderr, 3194 "Please specify a valid report script" 3195 "(see 'perf script -l' for listing)\n"); 3196 return -1; 3197 } 3198 } 3199 3200 if (itrace_synth_opts.callchain && 3201 itrace_synth_opts.callchain_sz > scripting_max_stack) 3202 scripting_max_stack = itrace_synth_opts.callchain_sz; 3203 3204 /* make sure PERF_EXEC_PATH is set for scripts */ 3205 set_argv_exec_path(get_argv_exec_path()); 3206 3207 if (argc && !script_name && !rec_script_path && !rep_script_path) { 3208 int live_pipe[2]; 3209 int rep_args; 3210 pid_t pid; 3211 3212 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); 3213 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); 3214 3215 if (!rec_script_path && !rep_script_path) { 3216 usage_with_options_msg(script_usage, options, 3217 "Couldn't find script `%s'\n\n See perf" 3218 " script -l for available scripts.\n", argv[0]); 3219 } 3220 3221 if (is_top_script(argv[0])) { 3222 rep_args = argc - 1; 3223 } else { 3224 int rec_args; 3225 3226 rep_args = has_required_arg(rep_script_path); 3227 rec_args = (argc - 1) - rep_args; 3228 if (rec_args < 0) { 3229 usage_with_options_msg(script_usage, options, 3230 "`%s' script requires options." 3231 "\n\n See perf script -l for available " 3232 "scripts and options.\n", argv[0]); 3233 } 3234 } 3235 3236 if (pipe(live_pipe) < 0) { 3237 perror("failed to create pipe"); 3238 return -1; 3239 } 3240 3241 pid = fork(); 3242 if (pid < 0) { 3243 perror("failed to fork"); 3244 return -1; 3245 } 3246 3247 if (!pid) { 3248 j = 0; 3249 3250 dup2(live_pipe[1], 1); 3251 close(live_pipe[0]); 3252 3253 if (is_top_script(argv[0])) { 3254 system_wide = true; 3255 } else if (!system_wide) { 3256 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { 3257 err = -1; 3258 goto out; 3259 } 3260 } 3261 3262 __argv = malloc((argc + 6) * sizeof(const char *)); 3263 if (!__argv) { 3264 pr_err("malloc failed\n"); 3265 err = -ENOMEM; 3266 goto out; 3267 } 3268 3269 __argv[j++] = "/bin/sh"; 3270 __argv[j++] = rec_script_path; 3271 if (system_wide) 3272 __argv[j++] = "-a"; 3273 __argv[j++] = "-q"; 3274 __argv[j++] = "-o"; 3275 __argv[j++] = "-"; 3276 for (i = rep_args + 1; i < argc; i++) 3277 __argv[j++] = argv[i]; 3278 __argv[j++] = NULL; 3279 3280 execvp("/bin/sh", (char **)__argv); 3281 free(__argv); 3282 exit(-1); 3283 } 3284 3285 dup2(live_pipe[0], 0); 3286 close(live_pipe[1]); 3287 3288 __argv = malloc((argc + 4) * sizeof(const char *)); 3289 if (!__argv) { 3290 pr_err("malloc failed\n"); 3291 err = -ENOMEM; 3292 goto out; 3293 } 3294 3295 j = 0; 3296 __argv[j++] = "/bin/sh"; 3297 __argv[j++] = rep_script_path; 3298 for (i = 1; i < rep_args + 1; i++) 3299 __argv[j++] = argv[i]; 3300 __argv[j++] = "-i"; 3301 __argv[j++] = "-"; 3302 __argv[j++] = NULL; 3303 3304 execvp("/bin/sh", (char **)__argv); 3305 free(__argv); 3306 exit(-1); 3307 } 3308 3309 if (rec_script_path) 3310 script_path = rec_script_path; 3311 if (rep_script_path) 3312 script_path = rep_script_path; 3313 3314 if (script_path) { 3315 j = 0; 3316 3317 if (!rec_script_path) 3318 system_wide = false; 3319 else if (!system_wide) { 3320 if (have_cmd(argc - 1, &argv[1]) != 0) { 3321 err = -1; 3322 goto out; 3323 } 3324 } 3325 3326 __argv = malloc((argc + 2) * sizeof(const char *)); 3327 if (!__argv) { 3328 pr_err("malloc failed\n"); 3329 err = -ENOMEM; 3330 goto out; 3331 } 3332 3333 __argv[j++] = "/bin/sh"; 3334 __argv[j++] = script_path; 3335 if (system_wide) 3336 __argv[j++] = "-a"; 3337 for (i = 2; i < argc; i++) 3338 __argv[j++] = argv[i]; 3339 __argv[j++] = NULL; 3340 3341 execvp("/bin/sh", (char **)__argv); 3342 free(__argv); 3343 exit(-1); 3344 } 3345 3346 if (!script_name) 3347 setup_pager(); 3348 3349 session = perf_session__new(&data, false, &script.tool); 3350 if (session == NULL) 3351 return -1; 3352 3353 if (header || header_only) { 3354 script.tool.show_feat_hdr = SHOW_FEAT_HEADER; 3355 perf_session__fprintf_info(session, stdout, show_full_info); 3356 if (header_only) 3357 goto out_delete; 3358 } 3359 if (show_full_info) 3360 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 3361 3362 if (symbol__init(&session->header.env) < 0) 3363 goto out_delete; 3364 3365 script.session = session; 3366 script__setup_sample_type(&script); 3367 3368 if (output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) 3369 itrace_synth_opts.thread_stack = true; 3370 3371 session->itrace_synth_opts = &itrace_synth_opts; 3372 3373 if (cpu_list) { 3374 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap); 3375 if (err < 0) 3376 goto out_delete; 3377 itrace_synth_opts.cpu_bitmap = cpu_bitmap; 3378 } 3379 3380 if (!no_callchain) 3381 symbol_conf.use_callchain = true; 3382 else 3383 symbol_conf.use_callchain = false; 3384 3385 if (session->tevent.pevent && 3386 pevent_set_function_resolver(session->tevent.pevent, 3387 machine__resolve_kernel_addr, 3388 &session->machines.host) < 0) { 3389 pr_err("%s: failed to set libtraceevent function resolver\n", __func__); 3390 err = -1; 3391 goto out_delete; 3392 } 3393 3394 if (generate_script_lang) { 3395 struct stat perf_stat; 3396 int input; 3397 3398 if (output_set_by_user()) { 3399 fprintf(stderr, 3400 "custom fields not supported for generated scripts"); 3401 err = -EINVAL; 3402 goto out_delete; 3403 } 3404 3405 input = open(data.file.path, O_RDONLY); /* input_name */ 3406 if (input < 0) { 3407 err = -errno; 3408 perror("failed to open file"); 3409 goto out_delete; 3410 } 3411 3412 err = fstat(input, &perf_stat); 3413 if (err < 0) { 3414 perror("failed to stat file"); 3415 goto out_delete; 3416 } 3417 3418 if (!perf_stat.st_size) { 3419 fprintf(stderr, "zero-sized file, nothing to do!\n"); 3420 goto out_delete; 3421 } 3422 3423 scripting_ops = script_spec__lookup(generate_script_lang); 3424 if (!scripting_ops) { 3425 fprintf(stderr, "invalid language specifier"); 3426 err = -ENOENT; 3427 goto out_delete; 3428 } 3429 3430 err = scripting_ops->generate_script(session->tevent.pevent, 3431 "perf-script"); 3432 goto out_delete; 3433 } 3434 3435 if (script_name) { 3436 err = scripting_ops->start_script(script_name, argc, argv); 3437 if (err) 3438 goto out_delete; 3439 pr_debug("perf script started with script %s\n\n", script_name); 3440 script_started = true; 3441 } 3442 3443 3444 err = perf_session__check_output_opt(session); 3445 if (err < 0) 3446 goto out_delete; 3447 3448 script.ptime_range = perf_time__range_alloc(script.time_str, 3449 &script.range_size); 3450 if (!script.ptime_range) { 3451 err = -ENOMEM; 3452 goto out_delete; 3453 } 3454 3455 /* needs to be parsed after looking up reference time */ 3456 if (perf_time__parse_str(script.ptime_range, script.time_str) != 0) { 3457 if (session->evlist->first_sample_time == 0 && 3458 session->evlist->last_sample_time == 0) { 3459 pr_err("HINT: no first/last sample time found in perf data.\n" 3460 "Please use latest perf binary to execute 'perf record'\n" 3461 "(if '--buildid-all' is enabled, please set '--timestamp-boundary').\n"); 3462 err = -EINVAL; 3463 goto out_delete; 3464 } 3465 3466 script.range_num = perf_time__percent_parse_str( 3467 script.ptime_range, script.range_size, 3468 script.time_str, 3469 session->evlist->first_sample_time, 3470 session->evlist->last_sample_time); 3471 3472 if (script.range_num < 0) { 3473 pr_err("Invalid time string\n"); 3474 err = -EINVAL; 3475 goto out_delete; 3476 } 3477 } else { 3478 script.range_num = 1; 3479 } 3480 3481 err = __cmd_script(&script); 3482 3483 flush_scripting(); 3484 3485 out_delete: 3486 zfree(&script.ptime_range); 3487 3488 perf_evlist__free_stats(session->evlist); 3489 perf_session__delete(session); 3490 3491 if (script_started) 3492 cleanup_scripting(); 3493 out: 3494 return err; 3495 } 3496