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 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT) 663 ret += fprintf(fp, "p"); 664 } 665 default: 666 break; 667 } 668 669 #undef has 670 671 ret += fprintf(fp, "%*s", 6 - ret, " "); 672 printed += ret; 673 } 674 675 if (PRINT_FIELD(TIME)) { 676 nsecs = sample->time; 677 secs = nsecs / NSEC_PER_SEC; 678 nsecs -= secs * NSEC_PER_SEC; 679 680 if (nanosecs) 681 printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs); 682 else { 683 char sample_time[32]; 684 timestamp__scnprintf_usec(sample->time, sample_time, sizeof(sample_time)); 685 printed += fprintf(fp, "%12s: ", sample_time); 686 } 687 } 688 689 return printed; 690 } 691 692 static inline char 693 mispred_str(struct branch_entry *br) 694 { 695 if (!(br->flags.mispred || br->flags.predicted)) 696 return '-'; 697 698 return br->flags.predicted ? 'P' : 'M'; 699 } 700 701 static int perf_sample__fprintf_brstack(struct perf_sample *sample, 702 struct thread *thread, 703 struct perf_event_attr *attr, FILE *fp) 704 { 705 struct branch_stack *br = sample->branch_stack; 706 struct addr_location alf, alt; 707 u64 i, from, to; 708 int printed = 0; 709 710 if (!(br && br->nr)) 711 return 0; 712 713 for (i = 0; i < br->nr; i++) { 714 from = br->entries[i].from; 715 to = br->entries[i].to; 716 717 if (PRINT_FIELD(DSO)) { 718 memset(&alf, 0, sizeof(alf)); 719 memset(&alt, 0, sizeof(alt)); 720 thread__find_map(thread, sample->cpumode, from, &alf); 721 thread__find_map(thread, sample->cpumode, to, &alt); 722 } 723 724 printed += fprintf(fp, " 0x%"PRIx64, from); 725 if (PRINT_FIELD(DSO)) { 726 printed += fprintf(fp, "("); 727 printed += map__fprintf_dsoname(alf.map, fp); 728 printed += fprintf(fp, ")"); 729 } 730 731 printed += fprintf(fp, "/0x%"PRIx64, to); 732 if (PRINT_FIELD(DSO)) { 733 printed += fprintf(fp, "("); 734 printed += map__fprintf_dsoname(alt.map, fp); 735 printed += fprintf(fp, ")"); 736 } 737 738 printed += fprintf(fp, "/%c/%c/%c/%d ", 739 mispred_str( br->entries + i), 740 br->entries[i].flags.in_tx? 'X' : '-', 741 br->entries[i].flags.abort? 'A' : '-', 742 br->entries[i].flags.cycles); 743 } 744 745 return printed; 746 } 747 748 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample, 749 struct thread *thread, 750 struct perf_event_attr *attr, FILE *fp) 751 { 752 struct branch_stack *br = sample->branch_stack; 753 struct addr_location alf, alt; 754 u64 i, from, to; 755 int printed = 0; 756 757 if (!(br && br->nr)) 758 return 0; 759 760 for (i = 0; i < br->nr; i++) { 761 762 memset(&alf, 0, sizeof(alf)); 763 memset(&alt, 0, sizeof(alt)); 764 from = br->entries[i].from; 765 to = br->entries[i].to; 766 767 thread__find_symbol(thread, sample->cpumode, from, &alf); 768 thread__find_symbol(thread, sample->cpumode, to, &alt); 769 770 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp); 771 if (PRINT_FIELD(DSO)) { 772 printed += fprintf(fp, "("); 773 printed += map__fprintf_dsoname(alf.map, fp); 774 printed += fprintf(fp, ")"); 775 } 776 printed += fprintf(fp, "%c", '/'); 777 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp); 778 if (PRINT_FIELD(DSO)) { 779 printed += fprintf(fp, "("); 780 printed += map__fprintf_dsoname(alt.map, fp); 781 printed += fprintf(fp, ")"); 782 } 783 printed += fprintf(fp, "/%c/%c/%c/%d ", 784 mispred_str( br->entries + i), 785 br->entries[i].flags.in_tx? 'X' : '-', 786 br->entries[i].flags.abort? 'A' : '-', 787 br->entries[i].flags.cycles); 788 } 789 790 return printed; 791 } 792 793 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample, 794 struct thread *thread, 795 struct perf_event_attr *attr, FILE *fp) 796 { 797 struct branch_stack *br = sample->branch_stack; 798 struct addr_location alf, alt; 799 u64 i, from, to; 800 int printed = 0; 801 802 if (!(br && br->nr)) 803 return 0; 804 805 for (i = 0; i < br->nr; i++) { 806 807 memset(&alf, 0, sizeof(alf)); 808 memset(&alt, 0, sizeof(alt)); 809 from = br->entries[i].from; 810 to = br->entries[i].to; 811 812 if (thread__find_map(thread, sample->cpumode, from, &alf) && 813 !alf.map->dso->adjust_symbols) 814 from = map__map_ip(alf.map, from); 815 816 if (thread__find_map(thread, sample->cpumode, to, &alt) && 817 !alt.map->dso->adjust_symbols) 818 to = map__map_ip(alt.map, to); 819 820 printed += fprintf(fp, " 0x%"PRIx64, from); 821 if (PRINT_FIELD(DSO)) { 822 printed += fprintf(fp, "("); 823 printed += map__fprintf_dsoname(alf.map, fp); 824 printed += fprintf(fp, ")"); 825 } 826 printed += fprintf(fp, "/0x%"PRIx64, to); 827 if (PRINT_FIELD(DSO)) { 828 printed += fprintf(fp, "("); 829 printed += map__fprintf_dsoname(alt.map, fp); 830 printed += fprintf(fp, ")"); 831 } 832 printed += fprintf(fp, "/%c/%c/%c/%d ", 833 mispred_str(br->entries + i), 834 br->entries[i].flags.in_tx ? 'X' : '-', 835 br->entries[i].flags.abort ? 'A' : '-', 836 br->entries[i].flags.cycles); 837 } 838 839 return printed; 840 } 841 #define MAXBB 16384UL 842 843 static int grab_bb(u8 *buffer, u64 start, u64 end, 844 struct machine *machine, struct thread *thread, 845 bool *is64bit, u8 *cpumode, bool last) 846 { 847 long offset, len; 848 struct addr_location al; 849 bool kernel; 850 851 if (!start || !end) 852 return 0; 853 854 kernel = machine__kernel_ip(machine, start); 855 if (kernel) 856 *cpumode = PERF_RECORD_MISC_KERNEL; 857 else 858 *cpumode = PERF_RECORD_MISC_USER; 859 860 /* 861 * Block overlaps between kernel and user. 862 * This can happen due to ring filtering 863 * On Intel CPUs the entry into the kernel is filtered, 864 * but the exit is not. Let the caller patch it up. 865 */ 866 if (kernel != machine__kernel_ip(machine, end)) { 867 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end); 868 return -ENXIO; 869 } 870 871 memset(&al, 0, sizeof(al)); 872 if (end - start > MAXBB - MAXINSN) { 873 if (last) 874 pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end); 875 else 876 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start); 877 return 0; 878 } 879 880 if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) { 881 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 882 return 0; 883 } 884 if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) { 885 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 886 return 0; 887 } 888 889 /* Load maps to ensure dso->is_64_bit has been updated */ 890 map__load(al.map); 891 892 offset = al.map->map_ip(al.map, start); 893 len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer, 894 end - start + MAXINSN); 895 896 *is64bit = al.map->dso->is_64_bit; 897 if (len <= 0) 898 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n", 899 start, end); 900 return len; 901 } 902 903 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en, 904 struct perf_insn *x, u8 *inbuf, int len, 905 int insn, FILE *fp) 906 { 907 int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip, 908 dump_insn(x, ip, inbuf, len, NULL), 909 en->flags.predicted ? " PRED" : "", 910 en->flags.mispred ? " MISPRED" : "", 911 en->flags.in_tx ? " INTX" : "", 912 en->flags.abort ? " ABORT" : ""); 913 if (en->flags.cycles) { 914 printed += fprintf(fp, " %d cycles", en->flags.cycles); 915 if (insn) 916 printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles); 917 } 918 return printed + fprintf(fp, "\n"); 919 } 920 921 static int ip__fprintf_sym(uint64_t addr, struct thread *thread, 922 u8 cpumode, int cpu, struct symbol **lastsym, 923 struct perf_event_attr *attr, FILE *fp) 924 { 925 struct addr_location al; 926 int off, printed = 0; 927 928 memset(&al, 0, sizeof(al)); 929 930 thread__find_map(thread, cpumode, addr, &al); 931 932 if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end) 933 return 0; 934 935 al.cpu = cpu; 936 al.sym = NULL; 937 if (al.map) 938 al.sym = map__find_symbol(al.map, al.addr); 939 940 if (!al.sym) 941 return 0; 942 943 if (al.addr < al.sym->end) 944 off = al.addr - al.sym->start; 945 else 946 off = al.addr - al.map->start - al.sym->start; 947 printed += fprintf(fp, "\t%s", al.sym->name); 948 if (off) 949 printed += fprintf(fp, "%+d", off); 950 printed += fprintf(fp, ":"); 951 if (PRINT_FIELD(SRCLINE)) 952 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp); 953 printed += fprintf(fp, "\n"); 954 *lastsym = al.sym; 955 956 return printed; 957 } 958 959 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample, 960 struct thread *thread, 961 struct perf_event_attr *attr, 962 struct machine *machine, FILE *fp) 963 { 964 struct branch_stack *br = sample->branch_stack; 965 u64 start, end; 966 int i, insn, len, nr, ilen, printed = 0; 967 struct perf_insn x; 968 u8 buffer[MAXBB]; 969 unsigned off; 970 struct symbol *lastsym = NULL; 971 972 if (!(br && br->nr)) 973 return 0; 974 nr = br->nr; 975 if (max_blocks && nr > max_blocks + 1) 976 nr = max_blocks + 1; 977 978 x.thread = thread; 979 x.cpu = sample->cpu; 980 981 printed += fprintf(fp, "%c", '\n'); 982 983 /* Handle first from jump, of which we don't know the entry. */ 984 len = grab_bb(buffer, br->entries[nr-1].from, 985 br->entries[nr-1].from, 986 machine, thread, &x.is64bit, &x.cpumode, false); 987 if (len > 0) { 988 printed += ip__fprintf_sym(br->entries[nr - 1].from, thread, 989 x.cpumode, x.cpu, &lastsym, attr, fp); 990 printed += ip__fprintf_jump(br->entries[nr - 1].from, &br->entries[nr - 1], 991 &x, buffer, len, 0, fp); 992 } 993 994 /* Print all blocks */ 995 for (i = nr - 2; i >= 0; i--) { 996 if (br->entries[i].from || br->entries[i].to) 997 pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i, 998 br->entries[i].from, 999 br->entries[i].to); 1000 start = br->entries[i + 1].to; 1001 end = br->entries[i].from; 1002 1003 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1004 /* Patch up missing kernel transfers due to ring filters */ 1005 if (len == -ENXIO && i > 0) { 1006 end = br->entries[--i].from; 1007 pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end); 1008 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1009 } 1010 if (len <= 0) 1011 continue; 1012 1013 insn = 0; 1014 for (off = 0;; off += ilen) { 1015 uint64_t ip = start + off; 1016 1017 printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1018 if (ip == end) { 1019 printed += ip__fprintf_jump(ip, &br->entries[i], &x, buffer + off, len - off, insn, fp); 1020 break; 1021 } else { 1022 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip, 1023 dump_insn(&x, ip, buffer + off, len - off, &ilen)); 1024 if (ilen == 0) 1025 break; 1026 insn++; 1027 } 1028 } 1029 } 1030 1031 /* 1032 * Hit the branch? In this case we are already done, and the target 1033 * has not been executed yet. 1034 */ 1035 if (br->entries[0].from == sample->ip) 1036 goto out; 1037 if (br->entries[0].flags.abort) 1038 goto out; 1039 1040 /* 1041 * Print final block upto sample 1042 */ 1043 start = br->entries[0].to; 1044 end = sample->ip; 1045 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true); 1046 printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1047 if (len <= 0) { 1048 /* Print at least last IP if basic block did not work */ 1049 len = grab_bb(buffer, sample->ip, sample->ip, 1050 machine, thread, &x.is64bit, &x.cpumode, false); 1051 if (len <= 0) 1052 goto out; 1053 1054 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip, 1055 dump_insn(&x, sample->ip, buffer, len, NULL)); 1056 goto out; 1057 } 1058 for (off = 0; off <= end - start; off += ilen) { 1059 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off, 1060 dump_insn(&x, start + off, buffer + off, len - off, &ilen)); 1061 if (ilen == 0) 1062 break; 1063 } 1064 out: 1065 return printed; 1066 } 1067 1068 static int perf_sample__fprintf_addr(struct perf_sample *sample, 1069 struct thread *thread, 1070 struct perf_event_attr *attr, FILE *fp) 1071 { 1072 struct addr_location al; 1073 int printed = fprintf(fp, "%16" PRIx64, sample->addr); 1074 1075 if (!sample_addr_correlates_sym(attr)) 1076 goto out; 1077 1078 thread__resolve(thread, &al, sample); 1079 1080 if (PRINT_FIELD(SYM)) { 1081 printed += fprintf(fp, " "); 1082 if (PRINT_FIELD(SYMOFFSET)) 1083 printed += symbol__fprintf_symname_offs(al.sym, &al, fp); 1084 else 1085 printed += symbol__fprintf_symname(al.sym, fp); 1086 } 1087 1088 if (PRINT_FIELD(DSO)) { 1089 printed += fprintf(fp, " ("); 1090 printed += map__fprintf_dsoname(al.map, fp); 1091 printed += fprintf(fp, ")"); 1092 } 1093 out: 1094 return printed; 1095 } 1096 1097 static int perf_sample__fprintf_callindent(struct perf_sample *sample, 1098 struct perf_evsel *evsel, 1099 struct thread *thread, 1100 struct addr_location *al, FILE *fp) 1101 { 1102 struct perf_event_attr *attr = &evsel->attr; 1103 size_t depth = thread_stack__depth(thread); 1104 struct addr_location addr_al; 1105 const char *name = NULL; 1106 static int spacing; 1107 int len = 0; 1108 u64 ip = 0; 1109 1110 /* 1111 * The 'return' has already been popped off the stack so the depth has 1112 * to be adjusted to match the 'call'. 1113 */ 1114 if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN) 1115 depth += 1; 1116 1117 if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) { 1118 if (sample_addr_correlates_sym(attr)) { 1119 thread__resolve(thread, &addr_al, sample); 1120 if (addr_al.sym) 1121 name = addr_al.sym->name; 1122 else 1123 ip = sample->addr; 1124 } else { 1125 ip = sample->addr; 1126 } 1127 } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) { 1128 if (al->sym) 1129 name = al->sym->name; 1130 else 1131 ip = sample->ip; 1132 } 1133 1134 if (name) 1135 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name); 1136 else if (ip) 1137 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip); 1138 1139 if (len < 0) 1140 return len; 1141 1142 /* 1143 * Try to keep the output length from changing frequently so that the 1144 * output lines up more nicely. 1145 */ 1146 if (len > spacing || (len && len < spacing - 52)) 1147 spacing = round_up(len + 4, 32); 1148 1149 if (len < spacing) 1150 len += fprintf(fp, "%*s", spacing - len, ""); 1151 1152 return len; 1153 } 1154 1155 static int perf_sample__fprintf_insn(struct perf_sample *sample, 1156 struct perf_event_attr *attr, 1157 struct thread *thread, 1158 struct machine *machine, FILE *fp) 1159 { 1160 int printed = 0; 1161 1162 if (PRINT_FIELD(INSNLEN)) 1163 printed += fprintf(fp, " ilen: %d", sample->insn_len); 1164 if (PRINT_FIELD(INSN)) { 1165 int i; 1166 1167 printed += fprintf(fp, " insn:"); 1168 for (i = 0; i < sample->insn_len; i++) 1169 printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]); 1170 } 1171 if (PRINT_FIELD(BRSTACKINSN)) 1172 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp); 1173 1174 return printed; 1175 } 1176 1177 static int perf_sample__fprintf_bts(struct perf_sample *sample, 1178 struct perf_evsel *evsel, 1179 struct thread *thread, 1180 struct addr_location *al, 1181 struct machine *machine, FILE *fp) 1182 { 1183 struct perf_event_attr *attr = &evsel->attr; 1184 unsigned int type = output_type(attr->type); 1185 bool print_srcline_last = false; 1186 int printed = 0; 1187 1188 if (PRINT_FIELD(CALLINDENT)) 1189 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp); 1190 1191 /* print branch_from information */ 1192 if (PRINT_FIELD(IP)) { 1193 unsigned int print_opts = output[type].print_ip_opts; 1194 struct callchain_cursor *cursor = NULL; 1195 1196 if (symbol_conf.use_callchain && sample->callchain && 1197 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 1198 sample, NULL, NULL, scripting_max_stack) == 0) 1199 cursor = &callchain_cursor; 1200 1201 if (cursor == NULL) { 1202 printed += fprintf(fp, " "); 1203 if (print_opts & EVSEL__PRINT_SRCLINE) { 1204 print_srcline_last = true; 1205 print_opts &= ~EVSEL__PRINT_SRCLINE; 1206 } 1207 } else 1208 printed += fprintf(fp, "\n"); 1209 1210 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, fp); 1211 } 1212 1213 /* print branch_to information */ 1214 if (PRINT_FIELD(ADDR) || 1215 ((evsel->attr.sample_type & PERF_SAMPLE_ADDR) && 1216 !output[type].user_set)) { 1217 printed += fprintf(fp, " => "); 1218 printed += perf_sample__fprintf_addr(sample, thread, attr, fp); 1219 } 1220 1221 if (print_srcline_last) 1222 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp); 1223 1224 printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 1225 return printed + fprintf(fp, "\n"); 1226 } 1227 1228 static struct { 1229 u32 flags; 1230 const char *name; 1231 } sample_flags[] = { 1232 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"}, 1233 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"}, 1234 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"}, 1235 {PERF_IP_FLAG_BRANCH, "jmp"}, 1236 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"}, 1237 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"}, 1238 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"}, 1239 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"}, 1240 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"}, 1241 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"}, 1242 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"}, 1243 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"}, 1244 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"}, 1245 {0, NULL} 1246 }; 1247 1248 static int perf_sample__fprintf_flags(u32 flags, FILE *fp) 1249 { 1250 const char *chars = PERF_IP_FLAG_CHARS; 1251 const int n = strlen(PERF_IP_FLAG_CHARS); 1252 bool in_tx = flags & PERF_IP_FLAG_IN_TX; 1253 const char *name = NULL; 1254 char str[33]; 1255 int i, pos = 0; 1256 1257 for (i = 0; sample_flags[i].name ; i++) { 1258 if (sample_flags[i].flags == (flags & ~PERF_IP_FLAG_IN_TX)) { 1259 name = sample_flags[i].name; 1260 break; 1261 } 1262 } 1263 1264 for (i = 0; i < n; i++, flags >>= 1) { 1265 if (flags & 1) 1266 str[pos++] = chars[i]; 1267 } 1268 for (; i < 32; i++, flags >>= 1) { 1269 if (flags & 1) 1270 str[pos++] = '?'; 1271 } 1272 str[pos] = 0; 1273 1274 if (name) 1275 return fprintf(fp, " %-7s%4s ", name, in_tx ? "(x)" : ""); 1276 1277 return fprintf(fp, " %-11s ", str); 1278 } 1279 1280 struct printer_data { 1281 int line_no; 1282 bool hit_nul; 1283 bool is_printable; 1284 }; 1285 1286 static int sample__fprintf_bpf_output(enum binary_printer_ops op, 1287 unsigned int val, 1288 void *extra, FILE *fp) 1289 { 1290 unsigned char ch = (unsigned char)val; 1291 struct printer_data *printer_data = extra; 1292 int printed = 0; 1293 1294 switch (op) { 1295 case BINARY_PRINT_DATA_BEGIN: 1296 printed += fprintf(fp, "\n"); 1297 break; 1298 case BINARY_PRINT_LINE_BEGIN: 1299 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" : 1300 " "); 1301 break; 1302 case BINARY_PRINT_ADDR: 1303 printed += fprintf(fp, " %04x:", val); 1304 break; 1305 case BINARY_PRINT_NUM_DATA: 1306 printed += fprintf(fp, " %02x", val); 1307 break; 1308 case BINARY_PRINT_NUM_PAD: 1309 printed += fprintf(fp, " "); 1310 break; 1311 case BINARY_PRINT_SEP: 1312 printed += fprintf(fp, " "); 1313 break; 1314 case BINARY_PRINT_CHAR_DATA: 1315 if (printer_data->hit_nul && ch) 1316 printer_data->is_printable = false; 1317 1318 if (!isprint(ch)) { 1319 printed += fprintf(fp, "%c", '.'); 1320 1321 if (!printer_data->is_printable) 1322 break; 1323 1324 if (ch == '\0') 1325 printer_data->hit_nul = true; 1326 else 1327 printer_data->is_printable = false; 1328 } else { 1329 printed += fprintf(fp, "%c", ch); 1330 } 1331 break; 1332 case BINARY_PRINT_CHAR_PAD: 1333 printed += fprintf(fp, " "); 1334 break; 1335 case BINARY_PRINT_LINE_END: 1336 printed += fprintf(fp, "\n"); 1337 printer_data->line_no++; 1338 break; 1339 case BINARY_PRINT_DATA_END: 1340 default: 1341 break; 1342 } 1343 1344 return printed; 1345 } 1346 1347 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp) 1348 { 1349 unsigned int nr_bytes = sample->raw_size; 1350 struct printer_data printer_data = {0, false, true}; 1351 int printed = binary__fprintf(sample->raw_data, nr_bytes, 8, 1352 sample__fprintf_bpf_output, &printer_data, fp); 1353 1354 if (printer_data.is_printable && printer_data.hit_nul) 1355 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data)); 1356 1357 return printed; 1358 } 1359 1360 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp) 1361 { 1362 if (len > 0 && len < spacing) 1363 return fprintf(fp, "%*s", spacing - len, ""); 1364 1365 return 0; 1366 } 1367 1368 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp) 1369 { 1370 return perf_sample__fprintf_spacing(len, 34, fp); 1371 } 1372 1373 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp) 1374 { 1375 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample); 1376 int len; 1377 1378 if (perf_sample__bad_synth_size(sample, *data)) 1379 return 0; 1380 1381 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ", 1382 data->ip, le64_to_cpu(data->payload)); 1383 return len + perf_sample__fprintf_pt_spacing(len, fp); 1384 } 1385 1386 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp) 1387 { 1388 struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample); 1389 int len; 1390 1391 if (perf_sample__bad_synth_size(sample, *data)) 1392 return 0; 1393 1394 len = fprintf(fp, " hints: %#x extensions: %#x ", 1395 data->hints, data->extensions); 1396 return len + perf_sample__fprintf_pt_spacing(len, fp); 1397 } 1398 1399 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp) 1400 { 1401 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample); 1402 int len; 1403 1404 if (perf_sample__bad_synth_size(sample, *data)) 1405 return 0; 1406 1407 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ", 1408 data->hw, data->cstate, data->subcstate); 1409 return len + perf_sample__fprintf_pt_spacing(len, fp); 1410 } 1411 1412 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp) 1413 { 1414 struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample); 1415 int len; 1416 1417 if (perf_sample__bad_synth_size(sample, *data)) 1418 return 0; 1419 1420 len = fprintf(fp, " IP: %u ", data->ip); 1421 return len + perf_sample__fprintf_pt_spacing(len, fp); 1422 } 1423 1424 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp) 1425 { 1426 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample); 1427 int len; 1428 1429 if (perf_sample__bad_synth_size(sample, *data)) 1430 return 0; 1431 1432 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ", 1433 data->deepest_cstate, data->last_cstate, 1434 data->wake_reason); 1435 return len + perf_sample__fprintf_pt_spacing(len, fp); 1436 } 1437 1438 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp) 1439 { 1440 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample); 1441 unsigned int percent, freq; 1442 int len; 1443 1444 if (perf_sample__bad_synth_size(sample, *data)) 1445 return 0; 1446 1447 freq = (le32_to_cpu(data->freq) + 500) / 1000; 1448 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq); 1449 if (data->max_nonturbo) { 1450 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10; 1451 len += fprintf(fp, "(%3u%%) ", percent); 1452 } 1453 return len + perf_sample__fprintf_pt_spacing(len, fp); 1454 } 1455 1456 static int perf_sample__fprintf_synth(struct perf_sample *sample, 1457 struct perf_evsel *evsel, FILE *fp) 1458 { 1459 switch (evsel->attr.config) { 1460 case PERF_SYNTH_INTEL_PTWRITE: 1461 return perf_sample__fprintf_synth_ptwrite(sample, fp); 1462 case PERF_SYNTH_INTEL_MWAIT: 1463 return perf_sample__fprintf_synth_mwait(sample, fp); 1464 case PERF_SYNTH_INTEL_PWRE: 1465 return perf_sample__fprintf_synth_pwre(sample, fp); 1466 case PERF_SYNTH_INTEL_EXSTOP: 1467 return perf_sample__fprintf_synth_exstop(sample, fp); 1468 case PERF_SYNTH_INTEL_PWRX: 1469 return perf_sample__fprintf_synth_pwrx(sample, fp); 1470 case PERF_SYNTH_INTEL_CBR: 1471 return perf_sample__fprintf_synth_cbr(sample, fp); 1472 default: 1473 break; 1474 } 1475 1476 return 0; 1477 } 1478 1479 struct perf_script { 1480 struct perf_tool tool; 1481 struct perf_session *session; 1482 bool show_task_events; 1483 bool show_mmap_events; 1484 bool show_switch_events; 1485 bool show_namespace_events; 1486 bool show_lost_events; 1487 bool show_round_events; 1488 bool allocated; 1489 bool per_event_dump; 1490 struct cpu_map *cpus; 1491 struct thread_map *threads; 1492 int name_width; 1493 const char *time_str; 1494 struct perf_time_interval *ptime_range; 1495 int range_size; 1496 int range_num; 1497 }; 1498 1499 static int perf_evlist__max_name_len(struct perf_evlist *evlist) 1500 { 1501 struct perf_evsel *evsel; 1502 int max = 0; 1503 1504 evlist__for_each_entry(evlist, evsel) { 1505 int len = strlen(perf_evsel__name(evsel)); 1506 1507 max = MAX(len, max); 1508 } 1509 1510 return max; 1511 } 1512 1513 static int data_src__fprintf(u64 data_src, FILE *fp) 1514 { 1515 struct mem_info mi = { .data_src.val = data_src }; 1516 char decode[100]; 1517 char out[100]; 1518 static int maxlen; 1519 int len; 1520 1521 perf_script__meminfo_scnprintf(decode, 100, &mi); 1522 1523 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode); 1524 if (maxlen < len) 1525 maxlen = len; 1526 1527 return fprintf(fp, "%-*s", maxlen, out); 1528 } 1529 1530 struct metric_ctx { 1531 struct perf_sample *sample; 1532 struct thread *thread; 1533 struct perf_evsel *evsel; 1534 FILE *fp; 1535 }; 1536 1537 static void script_print_metric(void *ctx, const char *color, 1538 const char *fmt, 1539 const char *unit, double val) 1540 { 1541 struct metric_ctx *mctx = ctx; 1542 1543 if (!fmt) 1544 return; 1545 perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel, 1546 PERF_RECORD_SAMPLE, mctx->fp); 1547 fputs("\tmetric: ", mctx->fp); 1548 if (color) 1549 color_fprintf(mctx->fp, color, fmt, val); 1550 else 1551 printf(fmt, val); 1552 fprintf(mctx->fp, " %s\n", unit); 1553 } 1554 1555 static void script_new_line(void *ctx) 1556 { 1557 struct metric_ctx *mctx = ctx; 1558 1559 perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel, 1560 PERF_RECORD_SAMPLE, mctx->fp); 1561 fputs("\tmetric: ", mctx->fp); 1562 } 1563 1564 static void perf_sample__fprint_metric(struct perf_script *script, 1565 struct thread *thread, 1566 struct perf_evsel *evsel, 1567 struct perf_sample *sample, 1568 FILE *fp) 1569 { 1570 struct perf_stat_output_ctx ctx = { 1571 .print_metric = script_print_metric, 1572 .new_line = script_new_line, 1573 .ctx = &(struct metric_ctx) { 1574 .sample = sample, 1575 .thread = thread, 1576 .evsel = evsel, 1577 .fp = fp, 1578 }, 1579 .force_header = false, 1580 }; 1581 struct perf_evsel *ev2; 1582 static bool init; 1583 u64 val; 1584 1585 if (!init) { 1586 perf_stat__init_shadow_stats(); 1587 init = true; 1588 } 1589 if (!evsel->stats) 1590 perf_evlist__alloc_stats(script->session->evlist, false); 1591 if (evsel_script(evsel->leader)->gnum++ == 0) 1592 perf_stat__reset_shadow_stats(); 1593 val = sample->period * evsel->scale; 1594 perf_stat__update_shadow_stats(evsel, 1595 val, 1596 sample->cpu, 1597 &rt_stat); 1598 evsel_script(evsel)->val = val; 1599 if (evsel_script(evsel->leader)->gnum == evsel->leader->nr_members) { 1600 for_each_group_member (ev2, evsel->leader) { 1601 perf_stat__print_shadow_stats(ev2, 1602 evsel_script(ev2)->val, 1603 sample->cpu, 1604 &ctx, 1605 NULL, 1606 &rt_stat); 1607 } 1608 evsel_script(evsel->leader)->gnum = 0; 1609 } 1610 } 1611 1612 static void process_event(struct perf_script *script, 1613 struct perf_sample *sample, struct perf_evsel *evsel, 1614 struct addr_location *al, 1615 struct machine *machine) 1616 { 1617 struct thread *thread = al->thread; 1618 struct perf_event_attr *attr = &evsel->attr; 1619 unsigned int type = output_type(attr->type); 1620 struct perf_evsel_script *es = evsel->priv; 1621 FILE *fp = es->fp; 1622 1623 if (output[type].fields == 0) 1624 return; 1625 1626 ++es->samples; 1627 1628 perf_sample__fprintf_start(sample, thread, evsel, 1629 PERF_RECORD_SAMPLE, fp); 1630 1631 if (PRINT_FIELD(PERIOD)) 1632 fprintf(fp, "%10" PRIu64 " ", sample->period); 1633 1634 if (PRINT_FIELD(EVNAME)) { 1635 const char *evname = perf_evsel__name(evsel); 1636 1637 if (!script->name_width) 1638 script->name_width = perf_evlist__max_name_len(script->session->evlist); 1639 1640 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]"); 1641 } 1642 1643 if (print_flags) 1644 perf_sample__fprintf_flags(sample->flags, fp); 1645 1646 if (is_bts_event(attr)) { 1647 perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp); 1648 return; 1649 } 1650 1651 if (PRINT_FIELD(TRACE)) { 1652 event_format__fprintf(evsel->tp_format, sample->cpu, 1653 sample->raw_data, sample->raw_size, fp); 1654 } 1655 1656 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH)) 1657 perf_sample__fprintf_synth(sample, evsel, fp); 1658 1659 if (PRINT_FIELD(ADDR)) 1660 perf_sample__fprintf_addr(sample, thread, attr, fp); 1661 1662 if (PRINT_FIELD(DATA_SRC)) 1663 data_src__fprintf(sample->data_src, fp); 1664 1665 if (PRINT_FIELD(WEIGHT)) 1666 fprintf(fp, "%16" PRIu64, sample->weight); 1667 1668 if (PRINT_FIELD(IP)) { 1669 struct callchain_cursor *cursor = NULL; 1670 1671 if (symbol_conf.use_callchain && sample->callchain && 1672 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 1673 sample, NULL, NULL, scripting_max_stack) == 0) 1674 cursor = &callchain_cursor; 1675 1676 fputc(cursor ? '\n' : ' ', fp); 1677 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, fp); 1678 } 1679 1680 if (PRINT_FIELD(IREGS)) 1681 perf_sample__fprintf_iregs(sample, attr, fp); 1682 1683 if (PRINT_FIELD(UREGS)) 1684 perf_sample__fprintf_uregs(sample, attr, fp); 1685 1686 if (PRINT_FIELD(BRSTACK)) 1687 perf_sample__fprintf_brstack(sample, thread, attr, fp); 1688 else if (PRINT_FIELD(BRSTACKSYM)) 1689 perf_sample__fprintf_brstacksym(sample, thread, attr, fp); 1690 else if (PRINT_FIELD(BRSTACKOFF)) 1691 perf_sample__fprintf_brstackoff(sample, thread, attr, fp); 1692 1693 if (perf_evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT)) 1694 perf_sample__fprintf_bpf_output(sample, fp); 1695 perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 1696 1697 if (PRINT_FIELD(PHYS_ADDR)) 1698 fprintf(fp, "%16" PRIx64, sample->phys_addr); 1699 fprintf(fp, "\n"); 1700 1701 if (PRINT_FIELD(METRIC)) 1702 perf_sample__fprint_metric(script, thread, evsel, sample, fp); 1703 } 1704 1705 static struct scripting_ops *scripting_ops; 1706 1707 static void __process_stat(struct perf_evsel *counter, u64 tstamp) 1708 { 1709 int nthreads = thread_map__nr(counter->threads); 1710 int ncpus = perf_evsel__nr_cpus(counter); 1711 int cpu, thread; 1712 static int header_printed; 1713 1714 if (counter->system_wide) 1715 nthreads = 1; 1716 1717 if (!header_printed) { 1718 printf("%3s %8s %15s %15s %15s %15s %s\n", 1719 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT"); 1720 header_printed = 1; 1721 } 1722 1723 for (thread = 0; thread < nthreads; thread++) { 1724 for (cpu = 0; cpu < ncpus; cpu++) { 1725 struct perf_counts_values *counts; 1726 1727 counts = perf_counts(counter->counts, cpu, thread); 1728 1729 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n", 1730 counter->cpus->map[cpu], 1731 thread_map__pid(counter->threads, thread), 1732 counts->val, 1733 counts->ena, 1734 counts->run, 1735 tstamp, 1736 perf_evsel__name(counter)); 1737 } 1738 } 1739 } 1740 1741 static void process_stat(struct perf_evsel *counter, u64 tstamp) 1742 { 1743 if (scripting_ops && scripting_ops->process_stat) 1744 scripting_ops->process_stat(&stat_config, counter, tstamp); 1745 else 1746 __process_stat(counter, tstamp); 1747 } 1748 1749 static void process_stat_interval(u64 tstamp) 1750 { 1751 if (scripting_ops && scripting_ops->process_stat_interval) 1752 scripting_ops->process_stat_interval(tstamp); 1753 } 1754 1755 static void setup_scripting(void) 1756 { 1757 setup_perl_scripting(); 1758 setup_python_scripting(); 1759 } 1760 1761 static int flush_scripting(void) 1762 { 1763 return scripting_ops ? scripting_ops->flush_script() : 0; 1764 } 1765 1766 static int cleanup_scripting(void) 1767 { 1768 pr_debug("\nperf script stopped\n"); 1769 1770 return scripting_ops ? scripting_ops->stop_script() : 0; 1771 } 1772 1773 static int process_sample_event(struct perf_tool *tool, 1774 union perf_event *event, 1775 struct perf_sample *sample, 1776 struct perf_evsel *evsel, 1777 struct machine *machine) 1778 { 1779 struct perf_script *scr = container_of(tool, struct perf_script, tool); 1780 struct addr_location al; 1781 1782 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num, 1783 sample->time)) { 1784 return 0; 1785 } 1786 1787 if (debug_mode) { 1788 if (sample->time < last_timestamp) { 1789 pr_err("Samples misordered, previous: %" PRIu64 1790 " this: %" PRIu64 "\n", last_timestamp, 1791 sample->time); 1792 nr_unordered++; 1793 } 1794 last_timestamp = sample->time; 1795 return 0; 1796 } 1797 1798 if (machine__resolve(machine, &al, sample) < 0) { 1799 pr_err("problem processing %d event, skipping it.\n", 1800 event->header.type); 1801 return -1; 1802 } 1803 1804 if (al.filtered) 1805 goto out_put; 1806 1807 if (cpu_list && !test_bit(sample->cpu, cpu_bitmap)) 1808 goto out_put; 1809 1810 if (scripting_ops) 1811 scripting_ops->process_event(event, sample, evsel, &al); 1812 else 1813 process_event(scr, sample, evsel, &al, machine); 1814 1815 out_put: 1816 addr_location__put(&al); 1817 return 0; 1818 } 1819 1820 static int process_attr(struct perf_tool *tool, union perf_event *event, 1821 struct perf_evlist **pevlist) 1822 { 1823 struct perf_script *scr = container_of(tool, struct perf_script, tool); 1824 struct perf_evlist *evlist; 1825 struct perf_evsel *evsel, *pos; 1826 int err; 1827 1828 err = perf_event__process_attr(tool, event, pevlist); 1829 if (err) 1830 return err; 1831 1832 evlist = *pevlist; 1833 evsel = perf_evlist__last(*pevlist); 1834 1835 if (evsel->attr.type >= PERF_TYPE_MAX && 1836 evsel->attr.type != PERF_TYPE_SYNTH) 1837 return 0; 1838 1839 evlist__for_each_entry(evlist, pos) { 1840 if (pos->attr.type == evsel->attr.type && pos != evsel) 1841 return 0; 1842 } 1843 1844 set_print_ip_opts(&evsel->attr); 1845 1846 if (evsel->attr.sample_type) 1847 err = perf_evsel__check_attr(evsel, scr->session); 1848 1849 return err; 1850 } 1851 1852 static int process_comm_event(struct perf_tool *tool, 1853 union perf_event *event, 1854 struct perf_sample *sample, 1855 struct machine *machine) 1856 { 1857 struct thread *thread; 1858 struct perf_script *script = container_of(tool, struct perf_script, tool); 1859 struct perf_session *session = script->session; 1860 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 1861 int ret = -1; 1862 1863 thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid); 1864 if (thread == NULL) { 1865 pr_debug("problem processing COMM event, skipping it.\n"); 1866 return -1; 1867 } 1868 1869 if (perf_event__process_comm(tool, event, sample, machine) < 0) 1870 goto out; 1871 1872 if (!evsel->attr.sample_id_all) { 1873 sample->cpu = 0; 1874 sample->time = 0; 1875 sample->tid = event->comm.tid; 1876 sample->pid = event->comm.pid; 1877 } 1878 perf_sample__fprintf_start(sample, thread, evsel, 1879 PERF_RECORD_COMM, stdout); 1880 perf_event__fprintf(event, stdout); 1881 ret = 0; 1882 out: 1883 thread__put(thread); 1884 return ret; 1885 } 1886 1887 static int process_namespaces_event(struct perf_tool *tool, 1888 union perf_event *event, 1889 struct perf_sample *sample, 1890 struct machine *machine) 1891 { 1892 struct thread *thread; 1893 struct perf_script *script = container_of(tool, struct perf_script, tool); 1894 struct perf_session *session = script->session; 1895 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 1896 int ret = -1; 1897 1898 thread = machine__findnew_thread(machine, event->namespaces.pid, 1899 event->namespaces.tid); 1900 if (thread == NULL) { 1901 pr_debug("problem processing NAMESPACES event, skipping it.\n"); 1902 return -1; 1903 } 1904 1905 if (perf_event__process_namespaces(tool, event, sample, machine) < 0) 1906 goto out; 1907 1908 if (!evsel->attr.sample_id_all) { 1909 sample->cpu = 0; 1910 sample->time = 0; 1911 sample->tid = event->namespaces.tid; 1912 sample->pid = event->namespaces.pid; 1913 } 1914 perf_sample__fprintf_start(sample, thread, evsel, 1915 PERF_RECORD_NAMESPACES, stdout); 1916 perf_event__fprintf(event, stdout); 1917 ret = 0; 1918 out: 1919 thread__put(thread); 1920 return ret; 1921 } 1922 1923 static int process_fork_event(struct perf_tool *tool, 1924 union perf_event *event, 1925 struct perf_sample *sample, 1926 struct machine *machine) 1927 { 1928 struct thread *thread; 1929 struct perf_script *script = container_of(tool, struct perf_script, tool); 1930 struct perf_session *session = script->session; 1931 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 1932 1933 if (perf_event__process_fork(tool, event, sample, machine) < 0) 1934 return -1; 1935 1936 thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid); 1937 if (thread == NULL) { 1938 pr_debug("problem processing FORK event, skipping it.\n"); 1939 return -1; 1940 } 1941 1942 if (!evsel->attr.sample_id_all) { 1943 sample->cpu = 0; 1944 sample->time = event->fork.time; 1945 sample->tid = event->fork.tid; 1946 sample->pid = event->fork.pid; 1947 } 1948 perf_sample__fprintf_start(sample, thread, evsel, 1949 PERF_RECORD_FORK, stdout); 1950 perf_event__fprintf(event, stdout); 1951 thread__put(thread); 1952 1953 return 0; 1954 } 1955 static int process_exit_event(struct perf_tool *tool, 1956 union perf_event *event, 1957 struct perf_sample *sample, 1958 struct machine *machine) 1959 { 1960 int err = 0; 1961 struct thread *thread; 1962 struct perf_script *script = container_of(tool, struct perf_script, tool); 1963 struct perf_session *session = script->session; 1964 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 1965 1966 thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid); 1967 if (thread == NULL) { 1968 pr_debug("problem processing EXIT event, skipping it.\n"); 1969 return -1; 1970 } 1971 1972 if (!evsel->attr.sample_id_all) { 1973 sample->cpu = 0; 1974 sample->time = 0; 1975 sample->tid = event->fork.tid; 1976 sample->pid = event->fork.pid; 1977 } 1978 perf_sample__fprintf_start(sample, thread, evsel, 1979 PERF_RECORD_EXIT, stdout); 1980 perf_event__fprintf(event, stdout); 1981 1982 if (perf_event__process_exit(tool, event, sample, machine) < 0) 1983 err = -1; 1984 1985 thread__put(thread); 1986 return err; 1987 } 1988 1989 static int process_mmap_event(struct perf_tool *tool, 1990 union perf_event *event, 1991 struct perf_sample *sample, 1992 struct machine *machine) 1993 { 1994 struct thread *thread; 1995 struct perf_script *script = container_of(tool, struct perf_script, tool); 1996 struct perf_session *session = script->session; 1997 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 1998 1999 if (perf_event__process_mmap(tool, event, sample, machine) < 0) 2000 return -1; 2001 2002 thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid); 2003 if (thread == NULL) { 2004 pr_debug("problem processing MMAP event, skipping it.\n"); 2005 return -1; 2006 } 2007 2008 if (!evsel->attr.sample_id_all) { 2009 sample->cpu = 0; 2010 sample->time = 0; 2011 sample->tid = event->mmap.tid; 2012 sample->pid = event->mmap.pid; 2013 } 2014 perf_sample__fprintf_start(sample, thread, evsel, 2015 PERF_RECORD_MMAP, stdout); 2016 perf_event__fprintf(event, stdout); 2017 thread__put(thread); 2018 return 0; 2019 } 2020 2021 static int process_mmap2_event(struct perf_tool *tool, 2022 union perf_event *event, 2023 struct perf_sample *sample, 2024 struct machine *machine) 2025 { 2026 struct thread *thread; 2027 struct perf_script *script = container_of(tool, struct perf_script, tool); 2028 struct perf_session *session = script->session; 2029 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2030 2031 if (perf_event__process_mmap2(tool, event, sample, machine) < 0) 2032 return -1; 2033 2034 thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid); 2035 if (thread == NULL) { 2036 pr_debug("problem processing MMAP2 event, skipping it.\n"); 2037 return -1; 2038 } 2039 2040 if (!evsel->attr.sample_id_all) { 2041 sample->cpu = 0; 2042 sample->time = 0; 2043 sample->tid = event->mmap2.tid; 2044 sample->pid = event->mmap2.pid; 2045 } 2046 perf_sample__fprintf_start(sample, thread, evsel, 2047 PERF_RECORD_MMAP2, stdout); 2048 perf_event__fprintf(event, stdout); 2049 thread__put(thread); 2050 return 0; 2051 } 2052 2053 static int process_switch_event(struct perf_tool *tool, 2054 union perf_event *event, 2055 struct perf_sample *sample, 2056 struct machine *machine) 2057 { 2058 struct thread *thread; 2059 struct perf_script *script = container_of(tool, struct perf_script, tool); 2060 struct perf_session *session = script->session; 2061 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2062 2063 if (perf_event__process_switch(tool, event, sample, machine) < 0) 2064 return -1; 2065 2066 thread = machine__findnew_thread(machine, sample->pid, 2067 sample->tid); 2068 if (thread == NULL) { 2069 pr_debug("problem processing SWITCH event, skipping it.\n"); 2070 return -1; 2071 } 2072 2073 perf_sample__fprintf_start(sample, thread, evsel, 2074 PERF_RECORD_SWITCH, stdout); 2075 perf_event__fprintf(event, stdout); 2076 thread__put(thread); 2077 return 0; 2078 } 2079 2080 static int 2081 process_lost_event(struct perf_tool *tool, 2082 union perf_event *event, 2083 struct perf_sample *sample, 2084 struct machine *machine) 2085 { 2086 struct perf_script *script = container_of(tool, struct perf_script, tool); 2087 struct perf_session *session = script->session; 2088 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2089 struct thread *thread; 2090 2091 thread = machine__findnew_thread(machine, sample->pid, 2092 sample->tid); 2093 if (thread == NULL) 2094 return -1; 2095 2096 perf_sample__fprintf_start(sample, thread, evsel, 2097 PERF_RECORD_LOST, stdout); 2098 perf_event__fprintf(event, stdout); 2099 thread__put(thread); 2100 return 0; 2101 } 2102 2103 static int 2104 process_finished_round_event(struct perf_tool *tool __maybe_unused, 2105 union perf_event *event, 2106 struct ordered_events *oe __maybe_unused) 2107 2108 { 2109 perf_event__fprintf(event, stdout); 2110 return 0; 2111 } 2112 2113 static void sig_handler(int sig __maybe_unused) 2114 { 2115 session_done = 1; 2116 } 2117 2118 static void perf_script__fclose_per_event_dump(struct perf_script *script) 2119 { 2120 struct perf_evlist *evlist = script->session->evlist; 2121 struct perf_evsel *evsel; 2122 2123 evlist__for_each_entry(evlist, evsel) { 2124 if (!evsel->priv) 2125 break; 2126 perf_evsel_script__delete(evsel->priv); 2127 evsel->priv = NULL; 2128 } 2129 } 2130 2131 static int perf_script__fopen_per_event_dump(struct perf_script *script) 2132 { 2133 struct perf_evsel *evsel; 2134 2135 evlist__for_each_entry(script->session->evlist, evsel) { 2136 /* 2137 * Already setup? I.e. we may be called twice in cases like 2138 * Intel PT, one for the intel_pt// and dummy events, then 2139 * for the evsels syntheized from the auxtrace info. 2140 * 2141 * Ses perf_script__process_auxtrace_info. 2142 */ 2143 if (evsel->priv != NULL) 2144 continue; 2145 2146 evsel->priv = perf_evsel_script__new(evsel, script->session->data); 2147 if (evsel->priv == NULL) 2148 goto out_err_fclose; 2149 } 2150 2151 return 0; 2152 2153 out_err_fclose: 2154 perf_script__fclose_per_event_dump(script); 2155 return -1; 2156 } 2157 2158 static int perf_script__setup_per_event_dump(struct perf_script *script) 2159 { 2160 struct perf_evsel *evsel; 2161 static struct perf_evsel_script es_stdout; 2162 2163 if (script->per_event_dump) 2164 return perf_script__fopen_per_event_dump(script); 2165 2166 es_stdout.fp = stdout; 2167 2168 evlist__for_each_entry(script->session->evlist, evsel) 2169 evsel->priv = &es_stdout; 2170 2171 return 0; 2172 } 2173 2174 static void perf_script__exit_per_event_dump_stats(struct perf_script *script) 2175 { 2176 struct perf_evsel *evsel; 2177 2178 evlist__for_each_entry(script->session->evlist, evsel) { 2179 struct perf_evsel_script *es = evsel->priv; 2180 2181 perf_evsel_script__fprintf(es, stdout); 2182 perf_evsel_script__delete(es); 2183 evsel->priv = NULL; 2184 } 2185 } 2186 2187 static int __cmd_script(struct perf_script *script) 2188 { 2189 int ret; 2190 2191 signal(SIGINT, sig_handler); 2192 2193 /* override event processing functions */ 2194 if (script->show_task_events) { 2195 script->tool.comm = process_comm_event; 2196 script->tool.fork = process_fork_event; 2197 script->tool.exit = process_exit_event; 2198 } 2199 if (script->show_mmap_events) { 2200 script->tool.mmap = process_mmap_event; 2201 script->tool.mmap2 = process_mmap2_event; 2202 } 2203 if (script->show_switch_events) 2204 script->tool.context_switch = process_switch_event; 2205 if (script->show_namespace_events) 2206 script->tool.namespaces = process_namespaces_event; 2207 if (script->show_lost_events) 2208 script->tool.lost = process_lost_event; 2209 if (script->show_round_events) { 2210 script->tool.ordered_events = false; 2211 script->tool.finished_round = process_finished_round_event; 2212 } 2213 2214 if (perf_script__setup_per_event_dump(script)) { 2215 pr_err("Couldn't create the per event dump files\n"); 2216 return -1; 2217 } 2218 2219 ret = perf_session__process_events(script->session); 2220 2221 if (script->per_event_dump) 2222 perf_script__exit_per_event_dump_stats(script); 2223 2224 if (debug_mode) 2225 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); 2226 2227 return ret; 2228 } 2229 2230 struct script_spec { 2231 struct list_head node; 2232 struct scripting_ops *ops; 2233 char spec[0]; 2234 }; 2235 2236 static LIST_HEAD(script_specs); 2237 2238 static struct script_spec *script_spec__new(const char *spec, 2239 struct scripting_ops *ops) 2240 { 2241 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); 2242 2243 if (s != NULL) { 2244 strcpy(s->spec, spec); 2245 s->ops = ops; 2246 } 2247 2248 return s; 2249 } 2250 2251 static void script_spec__add(struct script_spec *s) 2252 { 2253 list_add_tail(&s->node, &script_specs); 2254 } 2255 2256 static struct script_spec *script_spec__find(const char *spec) 2257 { 2258 struct script_spec *s; 2259 2260 list_for_each_entry(s, &script_specs, node) 2261 if (strcasecmp(s->spec, spec) == 0) 2262 return s; 2263 return NULL; 2264 } 2265 2266 int script_spec_register(const char *spec, struct scripting_ops *ops) 2267 { 2268 struct script_spec *s; 2269 2270 s = script_spec__find(spec); 2271 if (s) 2272 return -1; 2273 2274 s = script_spec__new(spec, ops); 2275 if (!s) 2276 return -1; 2277 else 2278 script_spec__add(s); 2279 2280 return 0; 2281 } 2282 2283 static struct scripting_ops *script_spec__lookup(const char *spec) 2284 { 2285 struct script_spec *s = script_spec__find(spec); 2286 if (!s) 2287 return NULL; 2288 2289 return s->ops; 2290 } 2291 2292 static void list_available_languages(void) 2293 { 2294 struct script_spec *s; 2295 2296 fprintf(stderr, "\n"); 2297 fprintf(stderr, "Scripting language extensions (used in " 2298 "perf script -s [spec:]script.[spec]):\n\n"); 2299 2300 list_for_each_entry(s, &script_specs, node) 2301 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); 2302 2303 fprintf(stderr, "\n"); 2304 } 2305 2306 static int parse_scriptname(const struct option *opt __maybe_unused, 2307 const char *str, int unset __maybe_unused) 2308 { 2309 char spec[PATH_MAX]; 2310 const char *script, *ext; 2311 int len; 2312 2313 if (strcmp(str, "lang") == 0) { 2314 list_available_languages(); 2315 exit(0); 2316 } 2317 2318 script = strchr(str, ':'); 2319 if (script) { 2320 len = script - str; 2321 if (len >= PATH_MAX) { 2322 fprintf(stderr, "invalid language specifier"); 2323 return -1; 2324 } 2325 strncpy(spec, str, len); 2326 spec[len] = '\0'; 2327 scripting_ops = script_spec__lookup(spec); 2328 if (!scripting_ops) { 2329 fprintf(stderr, "invalid language specifier"); 2330 return -1; 2331 } 2332 script++; 2333 } else { 2334 script = str; 2335 ext = strrchr(script, '.'); 2336 if (!ext) { 2337 fprintf(stderr, "invalid script extension"); 2338 return -1; 2339 } 2340 scripting_ops = script_spec__lookup(++ext); 2341 if (!scripting_ops) { 2342 fprintf(stderr, "invalid script extension"); 2343 return -1; 2344 } 2345 } 2346 2347 script_name = strdup(script); 2348 2349 return 0; 2350 } 2351 2352 static int parse_output_fields(const struct option *opt __maybe_unused, 2353 const char *arg, int unset __maybe_unused) 2354 { 2355 char *tok, *strtok_saveptr = NULL; 2356 int i, imax = ARRAY_SIZE(all_output_options); 2357 int j; 2358 int rc = 0; 2359 char *str = strdup(arg); 2360 int type = -1; 2361 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT; 2362 2363 if (!str) 2364 return -ENOMEM; 2365 2366 /* first word can state for which event type the user is specifying 2367 * the fields. If no type exists, the specified fields apply to all 2368 * event types found in the file minus the invalid fields for a type. 2369 */ 2370 tok = strchr(str, ':'); 2371 if (tok) { 2372 *tok = '\0'; 2373 tok++; 2374 if (!strcmp(str, "hw")) 2375 type = PERF_TYPE_HARDWARE; 2376 else if (!strcmp(str, "sw")) 2377 type = PERF_TYPE_SOFTWARE; 2378 else if (!strcmp(str, "trace")) 2379 type = PERF_TYPE_TRACEPOINT; 2380 else if (!strcmp(str, "raw")) 2381 type = PERF_TYPE_RAW; 2382 else if (!strcmp(str, "break")) 2383 type = PERF_TYPE_BREAKPOINT; 2384 else if (!strcmp(str, "synth")) 2385 type = OUTPUT_TYPE_SYNTH; 2386 else { 2387 fprintf(stderr, "Invalid event type in field string.\n"); 2388 rc = -EINVAL; 2389 goto out; 2390 } 2391 2392 if (output[type].user_set) 2393 pr_warning("Overriding previous field request for %s events.\n", 2394 event_type(type)); 2395 2396 output[type].fields = 0; 2397 output[type].user_set = true; 2398 output[type].wildcard_set = false; 2399 2400 } else { 2401 tok = str; 2402 if (strlen(str) == 0) { 2403 fprintf(stderr, 2404 "Cannot set fields to 'none' for all event types.\n"); 2405 rc = -EINVAL; 2406 goto out; 2407 } 2408 2409 /* Don't override defaults for +- */ 2410 if (strchr(str, '+') || strchr(str, '-')) 2411 goto parse; 2412 2413 if (output_set_by_user()) 2414 pr_warning("Overriding previous field request for all events.\n"); 2415 2416 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 2417 output[j].fields = 0; 2418 output[j].user_set = true; 2419 output[j].wildcard_set = true; 2420 } 2421 } 2422 2423 parse: 2424 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) { 2425 if (*tok == '+') { 2426 if (change == SET) 2427 goto out_badmix; 2428 change = ADD; 2429 tok++; 2430 } else if (*tok == '-') { 2431 if (change == SET) 2432 goto out_badmix; 2433 change = REMOVE; 2434 tok++; 2435 } else { 2436 if (change != SET && change != DEFAULT) 2437 goto out_badmix; 2438 change = SET; 2439 } 2440 2441 for (i = 0; i < imax; ++i) { 2442 if (strcmp(tok, all_output_options[i].str) == 0) 2443 break; 2444 } 2445 if (i == imax && strcmp(tok, "flags") == 0) { 2446 print_flags = change == REMOVE ? false : true; 2447 continue; 2448 } 2449 if (i == imax) { 2450 fprintf(stderr, "Invalid field requested.\n"); 2451 rc = -EINVAL; 2452 goto out; 2453 } 2454 2455 if (type == -1) { 2456 /* add user option to all events types for 2457 * which it is valid 2458 */ 2459 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 2460 if (output[j].invalid_fields & all_output_options[i].field) { 2461 pr_warning("\'%s\' not valid for %s events. Ignoring.\n", 2462 all_output_options[i].str, event_type(j)); 2463 } else { 2464 if (change == REMOVE) 2465 output[j].fields &= ~all_output_options[i].field; 2466 else 2467 output[j].fields |= all_output_options[i].field; 2468 } 2469 } 2470 } else { 2471 if (output[type].invalid_fields & all_output_options[i].field) { 2472 fprintf(stderr, "\'%s\' not valid for %s events.\n", 2473 all_output_options[i].str, event_type(type)); 2474 2475 rc = -EINVAL; 2476 goto out; 2477 } 2478 output[type].fields |= all_output_options[i].field; 2479 } 2480 } 2481 2482 if (type >= 0) { 2483 if (output[type].fields == 0) { 2484 pr_debug("No fields requested for %s type. " 2485 "Events will not be displayed.\n", event_type(type)); 2486 } 2487 } 2488 goto out; 2489 2490 out_badmix: 2491 fprintf(stderr, "Cannot mix +-field with overridden fields\n"); 2492 rc = -EINVAL; 2493 out: 2494 free(str); 2495 return rc; 2496 } 2497 2498 #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \ 2499 while ((lang_dirent = readdir(scripts_dir)) != NULL) \ 2500 if ((lang_dirent->d_type == DT_DIR || \ 2501 (lang_dirent->d_type == DT_UNKNOWN && \ 2502 is_directory(scripts_path, lang_dirent))) && \ 2503 (strcmp(lang_dirent->d_name, ".")) && \ 2504 (strcmp(lang_dirent->d_name, ".."))) 2505 2506 #define for_each_script(lang_path, lang_dir, script_dirent) \ 2507 while ((script_dirent = readdir(lang_dir)) != NULL) \ 2508 if (script_dirent->d_type != DT_DIR && \ 2509 (script_dirent->d_type != DT_UNKNOWN || \ 2510 !is_directory(lang_path, script_dirent))) 2511 2512 2513 #define RECORD_SUFFIX "-record" 2514 #define REPORT_SUFFIX "-report" 2515 2516 struct script_desc { 2517 struct list_head node; 2518 char *name; 2519 char *half_liner; 2520 char *args; 2521 }; 2522 2523 static LIST_HEAD(script_descs); 2524 2525 static struct script_desc *script_desc__new(const char *name) 2526 { 2527 struct script_desc *s = zalloc(sizeof(*s)); 2528 2529 if (s != NULL && name) 2530 s->name = strdup(name); 2531 2532 return s; 2533 } 2534 2535 static void script_desc__delete(struct script_desc *s) 2536 { 2537 zfree(&s->name); 2538 zfree(&s->half_liner); 2539 zfree(&s->args); 2540 free(s); 2541 } 2542 2543 static void script_desc__add(struct script_desc *s) 2544 { 2545 list_add_tail(&s->node, &script_descs); 2546 } 2547 2548 static struct script_desc *script_desc__find(const char *name) 2549 { 2550 struct script_desc *s; 2551 2552 list_for_each_entry(s, &script_descs, node) 2553 if (strcasecmp(s->name, name) == 0) 2554 return s; 2555 return NULL; 2556 } 2557 2558 static struct script_desc *script_desc__findnew(const char *name) 2559 { 2560 struct script_desc *s = script_desc__find(name); 2561 2562 if (s) 2563 return s; 2564 2565 s = script_desc__new(name); 2566 if (!s) 2567 return NULL; 2568 2569 script_desc__add(s); 2570 2571 return s; 2572 } 2573 2574 static const char *ends_with(const char *str, const char *suffix) 2575 { 2576 size_t suffix_len = strlen(suffix); 2577 const char *p = str; 2578 2579 if (strlen(str) > suffix_len) { 2580 p = str + strlen(str) - suffix_len; 2581 if (!strncmp(p, suffix, suffix_len)) 2582 return p; 2583 } 2584 2585 return NULL; 2586 } 2587 2588 static int read_script_info(struct script_desc *desc, const char *filename) 2589 { 2590 char line[BUFSIZ], *p; 2591 FILE *fp; 2592 2593 fp = fopen(filename, "r"); 2594 if (!fp) 2595 return -1; 2596 2597 while (fgets(line, sizeof(line), fp)) { 2598 p = ltrim(line); 2599 if (strlen(p) == 0) 2600 continue; 2601 if (*p != '#') 2602 continue; 2603 p++; 2604 if (strlen(p) && *p == '!') 2605 continue; 2606 2607 p = ltrim(p); 2608 if (strlen(p) && p[strlen(p) - 1] == '\n') 2609 p[strlen(p) - 1] = '\0'; 2610 2611 if (!strncmp(p, "description:", strlen("description:"))) { 2612 p += strlen("description:"); 2613 desc->half_liner = strdup(ltrim(p)); 2614 continue; 2615 } 2616 2617 if (!strncmp(p, "args:", strlen("args:"))) { 2618 p += strlen("args:"); 2619 desc->args = strdup(ltrim(p)); 2620 continue; 2621 } 2622 } 2623 2624 fclose(fp); 2625 2626 return 0; 2627 } 2628 2629 static char *get_script_root(struct dirent *script_dirent, const char *suffix) 2630 { 2631 char *script_root, *str; 2632 2633 script_root = strdup(script_dirent->d_name); 2634 if (!script_root) 2635 return NULL; 2636 2637 str = (char *)ends_with(script_root, suffix); 2638 if (!str) { 2639 free(script_root); 2640 return NULL; 2641 } 2642 2643 *str = '\0'; 2644 return script_root; 2645 } 2646 2647 static int list_available_scripts(const struct option *opt __maybe_unused, 2648 const char *s __maybe_unused, 2649 int unset __maybe_unused) 2650 { 2651 struct dirent *script_dirent, *lang_dirent; 2652 char scripts_path[MAXPATHLEN]; 2653 DIR *scripts_dir, *lang_dir; 2654 char script_path[MAXPATHLEN]; 2655 char lang_path[MAXPATHLEN]; 2656 struct script_desc *desc; 2657 char first_half[BUFSIZ]; 2658 char *script_root; 2659 2660 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 2661 2662 scripts_dir = opendir(scripts_path); 2663 if (!scripts_dir) { 2664 fprintf(stdout, 2665 "open(%s) failed.\n" 2666 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n", 2667 scripts_path); 2668 exit(-1); 2669 } 2670 2671 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 2672 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 2673 lang_dirent->d_name); 2674 lang_dir = opendir(lang_path); 2675 if (!lang_dir) 2676 continue; 2677 2678 for_each_script(lang_path, lang_dir, script_dirent) { 2679 script_root = get_script_root(script_dirent, REPORT_SUFFIX); 2680 if (script_root) { 2681 desc = script_desc__findnew(script_root); 2682 scnprintf(script_path, MAXPATHLEN, "%s/%s", 2683 lang_path, script_dirent->d_name); 2684 read_script_info(desc, script_path); 2685 free(script_root); 2686 } 2687 } 2688 } 2689 2690 fprintf(stdout, "List of available trace scripts:\n"); 2691 list_for_each_entry(desc, &script_descs, node) { 2692 sprintf(first_half, "%s %s", desc->name, 2693 desc->args ? desc->args : ""); 2694 fprintf(stdout, " %-36s %s\n", first_half, 2695 desc->half_liner ? desc->half_liner : ""); 2696 } 2697 2698 exit(0); 2699 } 2700 2701 /* 2702 * Some scripts specify the required events in their "xxx-record" file, 2703 * this function will check if the events in perf.data match those 2704 * mentioned in the "xxx-record". 2705 * 2706 * Fixme: All existing "xxx-record" are all in good formats "-e event ", 2707 * which is covered well now. And new parsing code should be added to 2708 * cover the future complexing formats like event groups etc. 2709 */ 2710 static int check_ev_match(char *dir_name, char *scriptname, 2711 struct perf_session *session) 2712 { 2713 char filename[MAXPATHLEN], evname[128]; 2714 char line[BUFSIZ], *p; 2715 struct perf_evsel *pos; 2716 int match, len; 2717 FILE *fp; 2718 2719 scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname); 2720 2721 fp = fopen(filename, "r"); 2722 if (!fp) 2723 return -1; 2724 2725 while (fgets(line, sizeof(line), fp)) { 2726 p = ltrim(line); 2727 if (*p == '#') 2728 continue; 2729 2730 while (strlen(p)) { 2731 p = strstr(p, "-e"); 2732 if (!p) 2733 break; 2734 2735 p += 2; 2736 p = ltrim(p); 2737 len = strcspn(p, " \t"); 2738 if (!len) 2739 break; 2740 2741 snprintf(evname, len + 1, "%s", p); 2742 2743 match = 0; 2744 evlist__for_each_entry(session->evlist, pos) { 2745 if (!strcmp(perf_evsel__name(pos), evname)) { 2746 match = 1; 2747 break; 2748 } 2749 } 2750 2751 if (!match) { 2752 fclose(fp); 2753 return -1; 2754 } 2755 } 2756 } 2757 2758 fclose(fp); 2759 return 0; 2760 } 2761 2762 /* 2763 * Return -1 if none is found, otherwise the actual scripts number. 2764 * 2765 * Currently the only user of this function is the script browser, which 2766 * will list all statically runnable scripts, select one, execute it and 2767 * show the output in a perf browser. 2768 */ 2769 int find_scripts(char **scripts_array, char **scripts_path_array) 2770 { 2771 struct dirent *script_dirent, *lang_dirent; 2772 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; 2773 DIR *scripts_dir, *lang_dir; 2774 struct perf_session *session; 2775 struct perf_data data = { 2776 .file = { 2777 .path = input_name, 2778 }, 2779 .mode = PERF_DATA_MODE_READ, 2780 }; 2781 char *temp; 2782 int i = 0; 2783 2784 session = perf_session__new(&data, false, NULL); 2785 if (!session) 2786 return -1; 2787 2788 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 2789 2790 scripts_dir = opendir(scripts_path); 2791 if (!scripts_dir) { 2792 perf_session__delete(session); 2793 return -1; 2794 } 2795 2796 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 2797 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, 2798 lang_dirent->d_name); 2799 #ifndef HAVE_LIBPERL_SUPPORT 2800 if (strstr(lang_path, "perl")) 2801 continue; 2802 #endif 2803 #ifndef HAVE_LIBPYTHON_SUPPORT 2804 if (strstr(lang_path, "python")) 2805 continue; 2806 #endif 2807 2808 lang_dir = opendir(lang_path); 2809 if (!lang_dir) 2810 continue; 2811 2812 for_each_script(lang_path, lang_dir, script_dirent) { 2813 /* Skip those real time scripts: xxxtop.p[yl] */ 2814 if (strstr(script_dirent->d_name, "top.")) 2815 continue; 2816 sprintf(scripts_path_array[i], "%s/%s", lang_path, 2817 script_dirent->d_name); 2818 temp = strchr(script_dirent->d_name, '.'); 2819 snprintf(scripts_array[i], 2820 (temp - script_dirent->d_name) + 1, 2821 "%s", script_dirent->d_name); 2822 2823 if (check_ev_match(lang_path, 2824 scripts_array[i], session)) 2825 continue; 2826 2827 i++; 2828 } 2829 closedir(lang_dir); 2830 } 2831 2832 closedir(scripts_dir); 2833 perf_session__delete(session); 2834 return i; 2835 } 2836 2837 static char *get_script_path(const char *script_root, const char *suffix) 2838 { 2839 struct dirent *script_dirent, *lang_dirent; 2840 char scripts_path[MAXPATHLEN]; 2841 char script_path[MAXPATHLEN]; 2842 DIR *scripts_dir, *lang_dir; 2843 char lang_path[MAXPATHLEN]; 2844 char *__script_root; 2845 2846 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 2847 2848 scripts_dir = opendir(scripts_path); 2849 if (!scripts_dir) 2850 return NULL; 2851 2852 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 2853 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 2854 lang_dirent->d_name); 2855 lang_dir = opendir(lang_path); 2856 if (!lang_dir) 2857 continue; 2858 2859 for_each_script(lang_path, lang_dir, script_dirent) { 2860 __script_root = get_script_root(script_dirent, suffix); 2861 if (__script_root && !strcmp(script_root, __script_root)) { 2862 free(__script_root); 2863 closedir(lang_dir); 2864 closedir(scripts_dir); 2865 scnprintf(script_path, MAXPATHLEN, "%s/%s", 2866 lang_path, script_dirent->d_name); 2867 return strdup(script_path); 2868 } 2869 free(__script_root); 2870 } 2871 closedir(lang_dir); 2872 } 2873 closedir(scripts_dir); 2874 2875 return NULL; 2876 } 2877 2878 static bool is_top_script(const char *script_path) 2879 { 2880 return ends_with(script_path, "top") == NULL ? false : true; 2881 } 2882 2883 static int has_required_arg(char *script_path) 2884 { 2885 struct script_desc *desc; 2886 int n_args = 0; 2887 char *p; 2888 2889 desc = script_desc__new(NULL); 2890 2891 if (read_script_info(desc, script_path)) 2892 goto out; 2893 2894 if (!desc->args) 2895 goto out; 2896 2897 for (p = desc->args; *p; p++) 2898 if (*p == '<') 2899 n_args++; 2900 out: 2901 script_desc__delete(desc); 2902 2903 return n_args; 2904 } 2905 2906 static int have_cmd(int argc, const char **argv) 2907 { 2908 char **__argv = malloc(sizeof(const char *) * argc); 2909 2910 if (!__argv) { 2911 pr_err("malloc failed\n"); 2912 return -1; 2913 } 2914 2915 memcpy(__argv, argv, sizeof(const char *) * argc); 2916 argc = parse_options(argc, (const char **)__argv, record_options, 2917 NULL, PARSE_OPT_STOP_AT_NON_OPTION); 2918 free(__argv); 2919 2920 system_wide = (argc == 0); 2921 2922 return 0; 2923 } 2924 2925 static void script__setup_sample_type(struct perf_script *script) 2926 { 2927 struct perf_session *session = script->session; 2928 u64 sample_type = perf_evlist__combined_sample_type(session->evlist); 2929 2930 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) { 2931 if ((sample_type & PERF_SAMPLE_REGS_USER) && 2932 (sample_type & PERF_SAMPLE_STACK_USER)) { 2933 callchain_param.record_mode = CALLCHAIN_DWARF; 2934 dwarf_callchain_users = true; 2935 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK) 2936 callchain_param.record_mode = CALLCHAIN_LBR; 2937 else 2938 callchain_param.record_mode = CALLCHAIN_FP; 2939 } 2940 } 2941 2942 static int process_stat_round_event(struct perf_tool *tool __maybe_unused, 2943 union perf_event *event, 2944 struct perf_session *session) 2945 { 2946 struct stat_round_event *round = &event->stat_round; 2947 struct perf_evsel *counter; 2948 2949 evlist__for_each_entry(session->evlist, counter) { 2950 perf_stat_process_counter(&stat_config, counter); 2951 process_stat(counter, round->time); 2952 } 2953 2954 process_stat_interval(round->time); 2955 return 0; 2956 } 2957 2958 static int process_stat_config_event(struct perf_tool *tool __maybe_unused, 2959 union perf_event *event, 2960 struct perf_session *session __maybe_unused) 2961 { 2962 perf_event__read_stat_config(&stat_config, &event->stat_config); 2963 return 0; 2964 } 2965 2966 static int set_maps(struct perf_script *script) 2967 { 2968 struct perf_evlist *evlist = script->session->evlist; 2969 2970 if (!script->cpus || !script->threads) 2971 return 0; 2972 2973 if (WARN_ONCE(script->allocated, "stats double allocation\n")) 2974 return -EINVAL; 2975 2976 perf_evlist__set_maps(evlist, script->cpus, script->threads); 2977 2978 if (perf_evlist__alloc_stats(evlist, true)) 2979 return -ENOMEM; 2980 2981 script->allocated = true; 2982 return 0; 2983 } 2984 2985 static 2986 int process_thread_map_event(struct perf_tool *tool, 2987 union perf_event *event, 2988 struct perf_session *session __maybe_unused) 2989 { 2990 struct perf_script *script = container_of(tool, struct perf_script, tool); 2991 2992 if (script->threads) { 2993 pr_warning("Extra thread map event, ignoring.\n"); 2994 return 0; 2995 } 2996 2997 script->threads = thread_map__new_event(&event->thread_map); 2998 if (!script->threads) 2999 return -ENOMEM; 3000 3001 return set_maps(script); 3002 } 3003 3004 static 3005 int process_cpu_map_event(struct perf_tool *tool __maybe_unused, 3006 union perf_event *event, 3007 struct perf_session *session __maybe_unused) 3008 { 3009 struct perf_script *script = container_of(tool, struct perf_script, tool); 3010 3011 if (script->cpus) { 3012 pr_warning("Extra cpu map event, ignoring.\n"); 3013 return 0; 3014 } 3015 3016 script->cpus = cpu_map__new_data(&event->cpu_map.data); 3017 if (!script->cpus) 3018 return -ENOMEM; 3019 3020 return set_maps(script); 3021 } 3022 3023 #ifdef HAVE_AUXTRACE_SUPPORT 3024 static int perf_script__process_auxtrace_info(struct perf_tool *tool, 3025 union perf_event *event, 3026 struct perf_session *session) 3027 { 3028 int ret = perf_event__process_auxtrace_info(tool, event, session); 3029 3030 if (ret == 0) { 3031 struct perf_script *script = container_of(tool, struct perf_script, tool); 3032 3033 ret = perf_script__setup_per_event_dump(script); 3034 } 3035 3036 return ret; 3037 } 3038 #else 3039 #define perf_script__process_auxtrace_info 0 3040 #endif 3041 3042 int cmd_script(int argc, const char **argv) 3043 { 3044 bool show_full_info = false; 3045 bool header = false; 3046 bool header_only = false; 3047 bool script_started = false; 3048 char *rec_script_path = NULL; 3049 char *rep_script_path = NULL; 3050 struct perf_session *session; 3051 struct itrace_synth_opts itrace_synth_opts = { .set = false, }; 3052 char *script_path = NULL; 3053 const char **__argv; 3054 int i, j, err = 0; 3055 struct perf_script script = { 3056 .tool = { 3057 .sample = process_sample_event, 3058 .mmap = perf_event__process_mmap, 3059 .mmap2 = perf_event__process_mmap2, 3060 .comm = perf_event__process_comm, 3061 .namespaces = perf_event__process_namespaces, 3062 .exit = perf_event__process_exit, 3063 .fork = perf_event__process_fork, 3064 .attr = process_attr, 3065 .event_update = perf_event__process_event_update, 3066 .tracing_data = perf_event__process_tracing_data, 3067 .feature = perf_event__process_feature, 3068 .build_id = perf_event__process_build_id, 3069 .id_index = perf_event__process_id_index, 3070 .auxtrace_info = perf_script__process_auxtrace_info, 3071 .auxtrace = perf_event__process_auxtrace, 3072 .auxtrace_error = perf_event__process_auxtrace_error, 3073 .stat = perf_event__process_stat_event, 3074 .stat_round = process_stat_round_event, 3075 .stat_config = process_stat_config_event, 3076 .thread_map = process_thread_map_event, 3077 .cpu_map = process_cpu_map_event, 3078 .ordered_events = true, 3079 .ordering_requires_timestamps = true, 3080 }, 3081 }; 3082 struct perf_data data = { 3083 .mode = PERF_DATA_MODE_READ, 3084 }; 3085 const struct option options[] = { 3086 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 3087 "dump raw trace in ASCII"), 3088 OPT_INCR('v', "verbose", &verbose, 3089 "be more verbose (show symbol address, etc)"), 3090 OPT_BOOLEAN('L', "Latency", &latency_format, 3091 "show latency attributes (irqs/preemption disabled, etc)"), 3092 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", 3093 list_available_scripts), 3094 OPT_CALLBACK('s', "script", NULL, "name", 3095 "script file name (lang:script name, script name, or *)", 3096 parse_scriptname), 3097 OPT_STRING('g', "gen-script", &generate_script_lang, "lang", 3098 "generate perf-script.xx script in specified language"), 3099 OPT_STRING('i', "input", &input_name, "file", "input file name"), 3100 OPT_BOOLEAN('d', "debug-mode", &debug_mode, 3101 "do various checks like samples ordering and lost events"), 3102 OPT_BOOLEAN(0, "header", &header, "Show data header."), 3103 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."), 3104 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 3105 "file", "vmlinux pathname"), 3106 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 3107 "file", "kallsyms pathname"), 3108 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, 3109 "When printing symbols do not display call chain"), 3110 OPT_CALLBACK(0, "symfs", NULL, "directory", 3111 "Look for files with symbols relative to this directory", 3112 symbol__config_symfs), 3113 OPT_CALLBACK('F', "fields", NULL, "str", 3114 "comma separated output fields prepend with 'type:'. " 3115 "+field to add and -field to remove." 3116 "Valid types: hw,sw,trace,raw,synth. " 3117 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso," 3118 "addr,symoff,period,iregs,uregs,brstack,brstacksym,flags," 3119 "bpf-output,callindent,insn,insnlen,brstackinsn,synth,phys_addr", 3120 parse_output_fields), 3121 OPT_BOOLEAN('a', "all-cpus", &system_wide, 3122 "system-wide collection from all CPUs"), 3123 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 3124 "only consider these symbols"), 3125 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]", 3126 "Stop display of callgraph at these symbols"), 3127 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), 3128 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 3129 "only display events for these comms"), 3130 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 3131 "only consider symbols in these pids"), 3132 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 3133 "only consider symbols in these tids"), 3134 OPT_UINTEGER(0, "max-stack", &scripting_max_stack, 3135 "Set the maximum stack depth when parsing the callchain, " 3136 "anything beyond the specified depth will be ignored. " 3137 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 3138 OPT_BOOLEAN('I', "show-info", &show_full_info, 3139 "display extended information from perf.data file"), 3140 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, 3141 "Show the path of [kernel.kallsyms]"), 3142 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, 3143 "Show the fork/comm/exit events"), 3144 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, 3145 "Show the mmap events"), 3146 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events, 3147 "Show context switch events (if recorded)"), 3148 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events, 3149 "Show namespace events (if recorded)"), 3150 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events, 3151 "Show lost events (if recorded)"), 3152 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events, 3153 "Show round events (if recorded)"), 3154 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump, 3155 "Dump trace output to files named by the monitored events"), 3156 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 3157 OPT_INTEGER(0, "max-blocks", &max_blocks, 3158 "Maximum number of code blocks to dump with brstackinsn"), 3159 OPT_BOOLEAN(0, "ns", &nanosecs, 3160 "Use 9 decimal places when displaying time"), 3161 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 3162 "Instruction Tracing options", 3163 itrace_parse_synth_opts), 3164 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 3165 "Show full source file name path for source lines"), 3166 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 3167 "Enable symbol demangling"), 3168 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 3169 "Enable kernel symbol demangling"), 3170 OPT_STRING(0, "time", &script.time_str, "str", 3171 "Time span of interest (start,stop)"), 3172 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 3173 "Show inline function"), 3174 OPT_END() 3175 }; 3176 const char * const script_subcommands[] = { "record", "report", NULL }; 3177 const char *script_usage[] = { 3178 "perf script [<options>]", 3179 "perf script [<options>] record <script> [<record-options>] <command>", 3180 "perf script [<options>] report <script> [script-args]", 3181 "perf script [<options>] <script> [<record-options>] <command>", 3182 "perf script [<options>] <top-script> [script-args]", 3183 NULL 3184 }; 3185 3186 perf_set_singlethreaded(); 3187 3188 setup_scripting(); 3189 3190 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage, 3191 PARSE_OPT_STOP_AT_NON_OPTION); 3192 3193 data.file.path = input_name; 3194 data.force = symbol_conf.force; 3195 3196 if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) { 3197 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); 3198 if (!rec_script_path) 3199 return cmd_record(argc, argv); 3200 } 3201 3202 if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) { 3203 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); 3204 if (!rep_script_path) { 3205 fprintf(stderr, 3206 "Please specify a valid report script" 3207 "(see 'perf script -l' for listing)\n"); 3208 return -1; 3209 } 3210 } 3211 3212 if (itrace_synth_opts.callchain && 3213 itrace_synth_opts.callchain_sz > scripting_max_stack) 3214 scripting_max_stack = itrace_synth_opts.callchain_sz; 3215 3216 /* make sure PERF_EXEC_PATH is set for scripts */ 3217 set_argv_exec_path(get_argv_exec_path()); 3218 3219 if (argc && !script_name && !rec_script_path && !rep_script_path) { 3220 int live_pipe[2]; 3221 int rep_args; 3222 pid_t pid; 3223 3224 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); 3225 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); 3226 3227 if (!rec_script_path && !rep_script_path) { 3228 usage_with_options_msg(script_usage, options, 3229 "Couldn't find script `%s'\n\n See perf" 3230 " script -l for available scripts.\n", argv[0]); 3231 } 3232 3233 if (is_top_script(argv[0])) { 3234 rep_args = argc - 1; 3235 } else { 3236 int rec_args; 3237 3238 rep_args = has_required_arg(rep_script_path); 3239 rec_args = (argc - 1) - rep_args; 3240 if (rec_args < 0) { 3241 usage_with_options_msg(script_usage, options, 3242 "`%s' script requires options." 3243 "\n\n See perf script -l for available " 3244 "scripts and options.\n", argv[0]); 3245 } 3246 } 3247 3248 if (pipe(live_pipe) < 0) { 3249 perror("failed to create pipe"); 3250 return -1; 3251 } 3252 3253 pid = fork(); 3254 if (pid < 0) { 3255 perror("failed to fork"); 3256 return -1; 3257 } 3258 3259 if (!pid) { 3260 j = 0; 3261 3262 dup2(live_pipe[1], 1); 3263 close(live_pipe[0]); 3264 3265 if (is_top_script(argv[0])) { 3266 system_wide = true; 3267 } else if (!system_wide) { 3268 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { 3269 err = -1; 3270 goto out; 3271 } 3272 } 3273 3274 __argv = malloc((argc + 6) * sizeof(const char *)); 3275 if (!__argv) { 3276 pr_err("malloc failed\n"); 3277 err = -ENOMEM; 3278 goto out; 3279 } 3280 3281 __argv[j++] = "/bin/sh"; 3282 __argv[j++] = rec_script_path; 3283 if (system_wide) 3284 __argv[j++] = "-a"; 3285 __argv[j++] = "-q"; 3286 __argv[j++] = "-o"; 3287 __argv[j++] = "-"; 3288 for (i = rep_args + 1; i < argc; i++) 3289 __argv[j++] = argv[i]; 3290 __argv[j++] = NULL; 3291 3292 execvp("/bin/sh", (char **)__argv); 3293 free(__argv); 3294 exit(-1); 3295 } 3296 3297 dup2(live_pipe[0], 0); 3298 close(live_pipe[1]); 3299 3300 __argv = malloc((argc + 4) * sizeof(const char *)); 3301 if (!__argv) { 3302 pr_err("malloc failed\n"); 3303 err = -ENOMEM; 3304 goto out; 3305 } 3306 3307 j = 0; 3308 __argv[j++] = "/bin/sh"; 3309 __argv[j++] = rep_script_path; 3310 for (i = 1; i < rep_args + 1; i++) 3311 __argv[j++] = argv[i]; 3312 __argv[j++] = "-i"; 3313 __argv[j++] = "-"; 3314 __argv[j++] = NULL; 3315 3316 execvp("/bin/sh", (char **)__argv); 3317 free(__argv); 3318 exit(-1); 3319 } 3320 3321 if (rec_script_path) 3322 script_path = rec_script_path; 3323 if (rep_script_path) 3324 script_path = rep_script_path; 3325 3326 if (script_path) { 3327 j = 0; 3328 3329 if (!rec_script_path) 3330 system_wide = false; 3331 else if (!system_wide) { 3332 if (have_cmd(argc - 1, &argv[1]) != 0) { 3333 err = -1; 3334 goto out; 3335 } 3336 } 3337 3338 __argv = malloc((argc + 2) * sizeof(const char *)); 3339 if (!__argv) { 3340 pr_err("malloc failed\n"); 3341 err = -ENOMEM; 3342 goto out; 3343 } 3344 3345 __argv[j++] = "/bin/sh"; 3346 __argv[j++] = script_path; 3347 if (system_wide) 3348 __argv[j++] = "-a"; 3349 for (i = 2; i < argc; i++) 3350 __argv[j++] = argv[i]; 3351 __argv[j++] = NULL; 3352 3353 execvp("/bin/sh", (char **)__argv); 3354 free(__argv); 3355 exit(-1); 3356 } 3357 3358 if (!script_name) 3359 setup_pager(); 3360 3361 session = perf_session__new(&data, false, &script.tool); 3362 if (session == NULL) 3363 return -1; 3364 3365 if (header || header_only) { 3366 script.tool.show_feat_hdr = SHOW_FEAT_HEADER; 3367 perf_session__fprintf_info(session, stdout, show_full_info); 3368 if (header_only) 3369 goto out_delete; 3370 } 3371 if (show_full_info) 3372 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 3373 3374 if (symbol__init(&session->header.env) < 0) 3375 goto out_delete; 3376 3377 script.session = session; 3378 script__setup_sample_type(&script); 3379 3380 if (output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) 3381 itrace_synth_opts.thread_stack = true; 3382 3383 session->itrace_synth_opts = &itrace_synth_opts; 3384 3385 if (cpu_list) { 3386 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap); 3387 if (err < 0) 3388 goto out_delete; 3389 itrace_synth_opts.cpu_bitmap = cpu_bitmap; 3390 } 3391 3392 if (!no_callchain) 3393 symbol_conf.use_callchain = true; 3394 else 3395 symbol_conf.use_callchain = false; 3396 3397 if (session->tevent.pevent && 3398 pevent_set_function_resolver(session->tevent.pevent, 3399 machine__resolve_kernel_addr, 3400 &session->machines.host) < 0) { 3401 pr_err("%s: failed to set libtraceevent function resolver\n", __func__); 3402 err = -1; 3403 goto out_delete; 3404 } 3405 3406 if (generate_script_lang) { 3407 struct stat perf_stat; 3408 int input; 3409 3410 if (output_set_by_user()) { 3411 fprintf(stderr, 3412 "custom fields not supported for generated scripts"); 3413 err = -EINVAL; 3414 goto out_delete; 3415 } 3416 3417 input = open(data.file.path, O_RDONLY); /* input_name */ 3418 if (input < 0) { 3419 err = -errno; 3420 perror("failed to open file"); 3421 goto out_delete; 3422 } 3423 3424 err = fstat(input, &perf_stat); 3425 if (err < 0) { 3426 perror("failed to stat file"); 3427 goto out_delete; 3428 } 3429 3430 if (!perf_stat.st_size) { 3431 fprintf(stderr, "zero-sized file, nothing to do!\n"); 3432 goto out_delete; 3433 } 3434 3435 scripting_ops = script_spec__lookup(generate_script_lang); 3436 if (!scripting_ops) { 3437 fprintf(stderr, "invalid language specifier"); 3438 err = -ENOENT; 3439 goto out_delete; 3440 } 3441 3442 err = scripting_ops->generate_script(session->tevent.pevent, 3443 "perf-script"); 3444 goto out_delete; 3445 } 3446 3447 if (script_name) { 3448 err = scripting_ops->start_script(script_name, argc, argv); 3449 if (err) 3450 goto out_delete; 3451 pr_debug("perf script started with script %s\n\n", script_name); 3452 script_started = true; 3453 } 3454 3455 3456 err = perf_session__check_output_opt(session); 3457 if (err < 0) 3458 goto out_delete; 3459 3460 script.ptime_range = perf_time__range_alloc(script.time_str, 3461 &script.range_size); 3462 if (!script.ptime_range) { 3463 err = -ENOMEM; 3464 goto out_delete; 3465 } 3466 3467 /* needs to be parsed after looking up reference time */ 3468 if (perf_time__parse_str(script.ptime_range, script.time_str) != 0) { 3469 if (session->evlist->first_sample_time == 0 && 3470 session->evlist->last_sample_time == 0) { 3471 pr_err("HINT: no first/last sample time found in perf data.\n" 3472 "Please use latest perf binary to execute 'perf record'\n" 3473 "(if '--buildid-all' is enabled, please set '--timestamp-boundary').\n"); 3474 err = -EINVAL; 3475 goto out_delete; 3476 } 3477 3478 script.range_num = perf_time__percent_parse_str( 3479 script.ptime_range, script.range_size, 3480 script.time_str, 3481 session->evlist->first_sample_time, 3482 session->evlist->last_sample_time); 3483 3484 if (script.range_num < 0) { 3485 pr_err("Invalid time string\n"); 3486 err = -EINVAL; 3487 goto out_delete; 3488 } 3489 } else { 3490 script.range_num = 1; 3491 } 3492 3493 err = __cmd_script(&script); 3494 3495 flush_scripting(); 3496 3497 out_delete: 3498 zfree(&script.ptime_range); 3499 3500 perf_evlist__free_stats(session->evlist); 3501 perf_session__delete(session); 3502 3503 if (script_started) 3504 cleanup_scripting(); 3505 out: 3506 return err; 3507 } 3508