1 // SPDX-License-Identifier: GPL-2.0 2 #include "builtin.h" 3 4 #include "perf.h" 5 #include "util/cache.h" 6 #include "util/debug.h" 7 #include <subcmd/exec-cmd.h> 8 #include "util/header.h" 9 #include <subcmd/parse-options.h> 10 #include "util/perf_regs.h" 11 #include "util/session.h" 12 #include "util/tool.h" 13 #include "util/symbol.h" 14 #include "util/thread.h" 15 #include "util/trace-event.h" 16 #include "util/util.h" 17 #include "util/evlist.h" 18 #include "util/evsel.h" 19 #include "util/sort.h" 20 #include "util/data.h" 21 #include "util/auxtrace.h" 22 #include "util/cpumap.h" 23 #include "util/thread_map.h" 24 #include "util/stat.h" 25 #include "util/color.h" 26 #include "util/string2.h" 27 #include "util/thread-stack.h" 28 #include "util/time-utils.h" 29 #include "util/path.h" 30 #include "print_binary.h" 31 #include <linux/bitmap.h> 32 #include <linux/kernel.h> 33 #include <linux/stringify.h> 34 #include <linux/time64.h> 35 #include "asm/bug.h" 36 #include "util/mem-events.h" 37 #include "util/dump-insn.h" 38 #include <dirent.h> 39 #include <errno.h> 40 #include <inttypes.h> 41 #include <signal.h> 42 #include <sys/param.h> 43 #include <sys/types.h> 44 #include <sys/stat.h> 45 #include <fcntl.h> 46 #include <unistd.h> 47 48 #include "sane_ctype.h" 49 50 static char const *script_name; 51 static char const *generate_script_lang; 52 static bool debug_mode; 53 static u64 last_timestamp; 54 static u64 nr_unordered; 55 static bool no_callchain; 56 static bool latency_format; 57 static bool system_wide; 58 static bool print_flags; 59 static bool nanosecs; 60 static const char *cpu_list; 61 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); 62 static struct perf_stat_config stat_config; 63 static int max_blocks; 64 65 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH; 66 67 enum perf_output_field { 68 PERF_OUTPUT_COMM = 1U << 0, 69 PERF_OUTPUT_TID = 1U << 1, 70 PERF_OUTPUT_PID = 1U << 2, 71 PERF_OUTPUT_TIME = 1U << 3, 72 PERF_OUTPUT_CPU = 1U << 4, 73 PERF_OUTPUT_EVNAME = 1U << 5, 74 PERF_OUTPUT_TRACE = 1U << 6, 75 PERF_OUTPUT_IP = 1U << 7, 76 PERF_OUTPUT_SYM = 1U << 8, 77 PERF_OUTPUT_DSO = 1U << 9, 78 PERF_OUTPUT_ADDR = 1U << 10, 79 PERF_OUTPUT_SYMOFFSET = 1U << 11, 80 PERF_OUTPUT_SRCLINE = 1U << 12, 81 PERF_OUTPUT_PERIOD = 1U << 13, 82 PERF_OUTPUT_IREGS = 1U << 14, 83 PERF_OUTPUT_BRSTACK = 1U << 15, 84 PERF_OUTPUT_BRSTACKSYM = 1U << 16, 85 PERF_OUTPUT_DATA_SRC = 1U << 17, 86 PERF_OUTPUT_WEIGHT = 1U << 18, 87 PERF_OUTPUT_BPF_OUTPUT = 1U << 19, 88 PERF_OUTPUT_CALLINDENT = 1U << 20, 89 PERF_OUTPUT_INSN = 1U << 21, 90 PERF_OUTPUT_INSNLEN = 1U << 22, 91 PERF_OUTPUT_BRSTACKINSN = 1U << 23, 92 PERF_OUTPUT_BRSTACKOFF = 1U << 24, 93 PERF_OUTPUT_SYNTH = 1U << 25, 94 PERF_OUTPUT_PHYS_ADDR = 1U << 26, 95 PERF_OUTPUT_UREGS = 1U << 27, 96 PERF_OUTPUT_METRIC = 1U << 28, 97 PERF_OUTPUT_MISC = 1U << 29, 98 }; 99 100 struct output_option { 101 const char *str; 102 enum perf_output_field field; 103 } all_output_options[] = { 104 {.str = "comm", .field = PERF_OUTPUT_COMM}, 105 {.str = "tid", .field = PERF_OUTPUT_TID}, 106 {.str = "pid", .field = PERF_OUTPUT_PID}, 107 {.str = "time", .field = PERF_OUTPUT_TIME}, 108 {.str = "cpu", .field = PERF_OUTPUT_CPU}, 109 {.str = "event", .field = PERF_OUTPUT_EVNAME}, 110 {.str = "trace", .field = PERF_OUTPUT_TRACE}, 111 {.str = "ip", .field = PERF_OUTPUT_IP}, 112 {.str = "sym", .field = PERF_OUTPUT_SYM}, 113 {.str = "dso", .field = PERF_OUTPUT_DSO}, 114 {.str = "addr", .field = PERF_OUTPUT_ADDR}, 115 {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET}, 116 {.str = "srcline", .field = PERF_OUTPUT_SRCLINE}, 117 {.str = "period", .field = PERF_OUTPUT_PERIOD}, 118 {.str = "iregs", .field = PERF_OUTPUT_IREGS}, 119 {.str = "uregs", .field = PERF_OUTPUT_UREGS}, 120 {.str = "brstack", .field = PERF_OUTPUT_BRSTACK}, 121 {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM}, 122 {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC}, 123 {.str = "weight", .field = PERF_OUTPUT_WEIGHT}, 124 {.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT}, 125 {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT}, 126 {.str = "insn", .field = PERF_OUTPUT_INSN}, 127 {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN}, 128 {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN}, 129 {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF}, 130 {.str = "synth", .field = PERF_OUTPUT_SYNTH}, 131 {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR}, 132 {.str = "metric", .field = PERF_OUTPUT_METRIC}, 133 {.str = "misc", .field = PERF_OUTPUT_MISC}, 134 }; 135 136 enum { 137 OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX, 138 OUTPUT_TYPE_MAX 139 }; 140 141 /* default set to maintain compatibility with current format */ 142 static struct { 143 bool user_set; 144 bool wildcard_set; 145 unsigned int print_ip_opts; 146 u64 fields; 147 u64 invalid_fields; 148 } output[OUTPUT_TYPE_MAX] = { 149 150 [PERF_TYPE_HARDWARE] = { 151 .user_set = false, 152 153 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 154 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 155 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 156 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO | 157 PERF_OUTPUT_PERIOD, 158 159 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 160 }, 161 162 [PERF_TYPE_SOFTWARE] = { 163 .user_set = false, 164 165 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 166 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 167 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 168 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO | 169 PERF_OUTPUT_PERIOD | PERF_OUTPUT_BPF_OUTPUT, 170 171 .invalid_fields = PERF_OUTPUT_TRACE, 172 }, 173 174 [PERF_TYPE_TRACEPOINT] = { 175 .user_set = false, 176 177 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 178 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 179 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE 180 }, 181 182 [PERF_TYPE_RAW] = { 183 .user_set = false, 184 185 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 186 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 187 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 188 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO | 189 PERF_OUTPUT_PERIOD | PERF_OUTPUT_ADDR | 190 PERF_OUTPUT_DATA_SRC | PERF_OUTPUT_WEIGHT | 191 PERF_OUTPUT_PHYS_ADDR, 192 193 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 194 }, 195 196 [PERF_TYPE_BREAKPOINT] = { 197 .user_set = false, 198 199 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 200 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 201 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 202 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO | 203 PERF_OUTPUT_PERIOD, 204 205 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 206 }, 207 208 [OUTPUT_TYPE_SYNTH] = { 209 .user_set = false, 210 211 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 212 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 213 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 214 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO | 215 PERF_OUTPUT_SYNTH, 216 217 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 218 }, 219 }; 220 221 struct perf_evsel_script { 222 char *filename; 223 FILE *fp; 224 u64 samples; 225 /* For metric output */ 226 u64 val; 227 int gnum; 228 }; 229 230 static inline struct perf_evsel_script *evsel_script(struct perf_evsel *evsel) 231 { 232 return (struct perf_evsel_script *)evsel->priv; 233 } 234 235 static struct perf_evsel_script *perf_evsel_script__new(struct perf_evsel *evsel, 236 struct perf_data *data) 237 { 238 struct perf_evsel_script *es = zalloc(sizeof(*es)); 239 240 if (es != NULL) { 241 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, perf_evsel__name(evsel)) < 0) 242 goto out_free; 243 es->fp = fopen(es->filename, "w"); 244 if (es->fp == NULL) 245 goto out_free_filename; 246 } 247 248 return es; 249 out_free_filename: 250 zfree(&es->filename); 251 out_free: 252 free(es); 253 return NULL; 254 } 255 256 static void perf_evsel_script__delete(struct perf_evsel_script *es) 257 { 258 zfree(&es->filename); 259 fclose(es->fp); 260 es->fp = NULL; 261 free(es); 262 } 263 264 static int perf_evsel_script__fprintf(struct perf_evsel_script *es, FILE *fp) 265 { 266 struct stat st; 267 268 fstat(fileno(es->fp), &st); 269 return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n", 270 st.st_size / 1024.0 / 1024.0, es->filename, es->samples); 271 } 272 273 static inline int output_type(unsigned int type) 274 { 275 switch (type) { 276 case PERF_TYPE_SYNTH: 277 return OUTPUT_TYPE_SYNTH; 278 default: 279 return type; 280 } 281 } 282 283 static inline unsigned int attr_type(unsigned int type) 284 { 285 switch (type) { 286 case OUTPUT_TYPE_SYNTH: 287 return PERF_TYPE_SYNTH; 288 default: 289 return type; 290 } 291 } 292 293 static bool output_set_by_user(void) 294 { 295 int j; 296 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 297 if (output[j].user_set) 298 return true; 299 } 300 return false; 301 } 302 303 static const char *output_field2str(enum perf_output_field field) 304 { 305 int i, imax = ARRAY_SIZE(all_output_options); 306 const char *str = ""; 307 308 for (i = 0; i < imax; ++i) { 309 if (all_output_options[i].field == field) { 310 str = all_output_options[i].str; 311 break; 312 } 313 } 314 return str; 315 } 316 317 #define PRINT_FIELD(x) (output[output_type(attr->type)].fields & PERF_OUTPUT_##x) 318 319 static int perf_evsel__do_check_stype(struct perf_evsel *evsel, 320 u64 sample_type, const char *sample_msg, 321 enum perf_output_field field, 322 bool allow_user_set) 323 { 324 struct perf_event_attr *attr = &evsel->attr; 325 int type = output_type(attr->type); 326 const char *evname; 327 328 if (attr->sample_type & sample_type) 329 return 0; 330 331 if (output[type].user_set) { 332 if (allow_user_set) 333 return 0; 334 evname = perf_evsel__name(evsel); 335 pr_err("Samples for '%s' event do not have %s attribute set. " 336 "Cannot print '%s' field.\n", 337 evname, sample_msg, output_field2str(field)); 338 return -1; 339 } 340 341 /* user did not ask for it explicitly so remove from the default list */ 342 output[type].fields &= ~field; 343 evname = perf_evsel__name(evsel); 344 pr_debug("Samples for '%s' event do not have %s attribute set. " 345 "Skipping '%s' field.\n", 346 evname, sample_msg, output_field2str(field)); 347 348 return 0; 349 } 350 351 static int perf_evsel__check_stype(struct perf_evsel *evsel, 352 u64 sample_type, const char *sample_msg, 353 enum perf_output_field field) 354 { 355 return perf_evsel__do_check_stype(evsel, sample_type, sample_msg, field, 356 false); 357 } 358 359 static int perf_evsel__check_attr(struct perf_evsel *evsel, 360 struct perf_session *session) 361 { 362 struct perf_event_attr *attr = &evsel->attr; 363 bool allow_user_set; 364 365 if (perf_header__has_feat(&session->header, HEADER_STAT)) 366 return 0; 367 368 allow_user_set = perf_header__has_feat(&session->header, 369 HEADER_AUXTRACE); 370 371 if (PRINT_FIELD(TRACE) && 372 !perf_session__has_traces(session, "record -R")) 373 return -EINVAL; 374 375 if (PRINT_FIELD(IP)) { 376 if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", 377 PERF_OUTPUT_IP)) 378 return -EINVAL; 379 } 380 381 if (PRINT_FIELD(ADDR) && 382 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", 383 PERF_OUTPUT_ADDR, allow_user_set)) 384 return -EINVAL; 385 386 if (PRINT_FIELD(DATA_SRC) && 387 perf_evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", 388 PERF_OUTPUT_DATA_SRC)) 389 return -EINVAL; 390 391 if (PRINT_FIELD(WEIGHT) && 392 perf_evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT", 393 PERF_OUTPUT_WEIGHT)) 394 return -EINVAL; 395 396 if (PRINT_FIELD(SYM) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) { 397 pr_err("Display of symbols requested but neither sample IP nor " 398 "sample address\nis selected. Hence, no addresses to convert " 399 "to symbols.\n"); 400 return -EINVAL; 401 } 402 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) { 403 pr_err("Display of offsets requested but symbol is not" 404 "selected.\n"); 405 return -EINVAL; 406 } 407 if (PRINT_FIELD(DSO) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR) && 408 !PRINT_FIELD(BRSTACK) && !PRINT_FIELD(BRSTACKSYM) && !PRINT_FIELD(BRSTACKOFF)) { 409 pr_err("Display of DSO requested but no address to convert. Select\n" 410 "sample IP, sample address, brstack, brstacksym, or brstackoff.\n"); 411 return -EINVAL; 412 } 413 if (PRINT_FIELD(SRCLINE) && !PRINT_FIELD(IP)) { 414 pr_err("Display of source line number requested but sample IP is not\n" 415 "selected. Hence, no address to lookup the source line number.\n"); 416 return -EINVAL; 417 } 418 if (PRINT_FIELD(BRSTACKINSN) && 419 !(perf_evlist__combined_branch_type(session->evlist) & 420 PERF_SAMPLE_BRANCH_ANY)) { 421 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n" 422 "Hint: run 'perf record -b ...'\n"); 423 return -EINVAL; 424 } 425 if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) && 426 perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", 427 PERF_OUTPUT_TID|PERF_OUTPUT_PID)) 428 return -EINVAL; 429 430 if (PRINT_FIELD(TIME) && 431 perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", 432 PERF_OUTPUT_TIME)) 433 return -EINVAL; 434 435 if (PRINT_FIELD(CPU) && 436 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", 437 PERF_OUTPUT_CPU, allow_user_set)) 438 return -EINVAL; 439 440 if (PRINT_FIELD(IREGS) && 441 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", 442 PERF_OUTPUT_IREGS)) 443 return -EINVAL; 444 445 if (PRINT_FIELD(UREGS) && 446 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", 447 PERF_OUTPUT_UREGS)) 448 return -EINVAL; 449 450 if (PRINT_FIELD(PHYS_ADDR) && 451 perf_evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", 452 PERF_OUTPUT_PHYS_ADDR)) 453 return -EINVAL; 454 455 return 0; 456 } 457 458 static void set_print_ip_opts(struct perf_event_attr *attr) 459 { 460 unsigned int type = output_type(attr->type); 461 462 output[type].print_ip_opts = 0; 463 if (PRINT_FIELD(IP)) 464 output[type].print_ip_opts |= EVSEL__PRINT_IP; 465 466 if (PRINT_FIELD(SYM)) 467 output[type].print_ip_opts |= EVSEL__PRINT_SYM; 468 469 if (PRINT_FIELD(DSO)) 470 output[type].print_ip_opts |= EVSEL__PRINT_DSO; 471 472 if (PRINT_FIELD(SYMOFFSET)) 473 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET; 474 475 if (PRINT_FIELD(SRCLINE)) 476 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE; 477 } 478 479 /* 480 * verify all user requested events exist and the samples 481 * have the expected data 482 */ 483 static int perf_session__check_output_opt(struct perf_session *session) 484 { 485 unsigned int j; 486 struct perf_evsel *evsel; 487 488 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 489 evsel = perf_session__find_first_evtype(session, attr_type(j)); 490 491 /* 492 * even if fields is set to 0 (ie., show nothing) event must 493 * exist if user explicitly includes it on the command line 494 */ 495 if (!evsel && output[j].user_set && !output[j].wildcard_set && 496 j != OUTPUT_TYPE_SYNTH) { 497 pr_err("%s events do not exist. " 498 "Remove corresponding -F option to proceed.\n", 499 event_type(j)); 500 return -1; 501 } 502 503 if (evsel && output[j].fields && 504 perf_evsel__check_attr(evsel, session)) 505 return -1; 506 507 if (evsel == NULL) 508 continue; 509 510 set_print_ip_opts(&evsel->attr); 511 } 512 513 if (!no_callchain) { 514 bool use_callchain = false; 515 bool not_pipe = false; 516 517 evlist__for_each_entry(session->evlist, evsel) { 518 not_pipe = true; 519 if (evsel->attr.sample_type & PERF_SAMPLE_CALLCHAIN) { 520 use_callchain = true; 521 break; 522 } 523 } 524 if (not_pipe && !use_callchain) 525 symbol_conf.use_callchain = false; 526 } 527 528 /* 529 * set default for tracepoints to print symbols only 530 * if callchains are present 531 */ 532 if (symbol_conf.use_callchain && 533 !output[PERF_TYPE_TRACEPOINT].user_set) { 534 struct perf_event_attr *attr; 535 536 j = PERF_TYPE_TRACEPOINT; 537 538 evlist__for_each_entry(session->evlist, evsel) { 539 if (evsel->attr.type != j) 540 continue; 541 542 attr = &evsel->attr; 543 544 if (attr->sample_type & PERF_SAMPLE_CALLCHAIN) { 545 output[j].fields |= PERF_OUTPUT_IP; 546 output[j].fields |= PERF_OUTPUT_SYM; 547 output[j].fields |= PERF_OUTPUT_DSO; 548 set_print_ip_opts(attr); 549 goto out; 550 } 551 } 552 } 553 554 out: 555 return 0; 556 } 557 558 static int perf_sample__fprintf_iregs(struct perf_sample *sample, 559 struct perf_event_attr *attr, FILE *fp) 560 { 561 struct regs_dump *regs = &sample->intr_regs; 562 uint64_t mask = attr->sample_regs_intr; 563 unsigned i = 0, r; 564 int printed = 0; 565 566 if (!regs) 567 return 0; 568 569 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) { 570 u64 val = regs->regs[i++]; 571 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val); 572 } 573 574 return printed; 575 } 576 577 static int perf_sample__fprintf_uregs(struct perf_sample *sample, 578 struct perf_event_attr *attr, FILE *fp) 579 { 580 struct regs_dump *regs = &sample->user_regs; 581 uint64_t mask = attr->sample_regs_user; 582 unsigned i = 0, r; 583 int printed = 0; 584 585 if (!regs || !regs->regs) 586 return 0; 587 588 printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi); 589 590 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) { 591 u64 val = regs->regs[i++]; 592 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val); 593 } 594 595 return printed; 596 } 597 598 static int perf_sample__fprintf_start(struct perf_sample *sample, 599 struct thread *thread, 600 struct perf_evsel *evsel, 601 u32 type, FILE *fp) 602 { 603 struct perf_event_attr *attr = &evsel->attr; 604 unsigned long secs; 605 unsigned long long nsecs; 606 int printed = 0; 607 608 if (PRINT_FIELD(COMM)) { 609 if (latency_format) 610 printed += fprintf(fp, "%8.8s ", thread__comm_str(thread)); 611 else if (PRINT_FIELD(IP) && symbol_conf.use_callchain) 612 printed += fprintf(fp, "%s ", thread__comm_str(thread)); 613 else 614 printed += fprintf(fp, "%16s ", thread__comm_str(thread)); 615 } 616 617 if (PRINT_FIELD(PID) && PRINT_FIELD(TID)) 618 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid); 619 else if (PRINT_FIELD(PID)) 620 printed += fprintf(fp, "%5d ", sample->pid); 621 else if (PRINT_FIELD(TID)) 622 printed += fprintf(fp, "%5d ", sample->tid); 623 624 if (PRINT_FIELD(CPU)) { 625 if (latency_format) 626 printed += fprintf(fp, "%3d ", sample->cpu); 627 else 628 printed += fprintf(fp, "[%03d] ", sample->cpu); 629 } 630 631 if (PRINT_FIELD(MISC)) { 632 int ret = 0; 633 634 #define has(m) \ 635 (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m 636 637 if (has(KERNEL)) 638 ret += fprintf(fp, "K"); 639 if (has(USER)) 640 ret += fprintf(fp, "U"); 641 if (has(HYPERVISOR)) 642 ret += fprintf(fp, "H"); 643 if (has(GUEST_KERNEL)) 644 ret += fprintf(fp, "G"); 645 if (has(GUEST_USER)) 646 ret += fprintf(fp, "g"); 647 648 switch (type) { 649 case PERF_RECORD_MMAP: 650 case PERF_RECORD_MMAP2: 651 if (has(MMAP_DATA)) 652 ret += fprintf(fp, "M"); 653 break; 654 case PERF_RECORD_COMM: 655 if (has(COMM_EXEC)) 656 ret += fprintf(fp, "E"); 657 break; 658 case PERF_RECORD_SWITCH: 659 case PERF_RECORD_SWITCH_CPU_WIDE: 660 if (has(SWITCH_OUT)) 661 ret += fprintf(fp, "S"); 662 default: 663 break; 664 } 665 666 #undef has 667 668 ret += fprintf(fp, "%*s", 6 - ret, " "); 669 printed += ret; 670 } 671 672 if (PRINT_FIELD(TIME)) { 673 nsecs = sample->time; 674 secs = nsecs / NSEC_PER_SEC; 675 nsecs -= secs * NSEC_PER_SEC; 676 677 if (nanosecs) 678 printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs); 679 else { 680 char sample_time[32]; 681 timestamp__scnprintf_usec(sample->time, sample_time, sizeof(sample_time)); 682 printed += fprintf(fp, "%12s: ", sample_time); 683 } 684 } 685 686 return printed; 687 } 688 689 static inline char 690 mispred_str(struct branch_entry *br) 691 { 692 if (!(br->flags.mispred || br->flags.predicted)) 693 return '-'; 694 695 return br->flags.predicted ? 'P' : 'M'; 696 } 697 698 static int perf_sample__fprintf_brstack(struct perf_sample *sample, 699 struct thread *thread, 700 struct perf_event_attr *attr, FILE *fp) 701 { 702 struct branch_stack *br = sample->branch_stack; 703 struct addr_location alf, alt; 704 u64 i, from, to; 705 int printed = 0; 706 707 if (!(br && br->nr)) 708 return 0; 709 710 for (i = 0; i < br->nr; i++) { 711 from = br->entries[i].from; 712 to = br->entries[i].to; 713 714 if (PRINT_FIELD(DSO)) { 715 memset(&alf, 0, sizeof(alf)); 716 memset(&alt, 0, sizeof(alt)); 717 thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, from, &alf); 718 thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, to, &alt); 719 } 720 721 printed += fprintf(fp, " 0x%"PRIx64, from); 722 if (PRINT_FIELD(DSO)) { 723 printed += fprintf(fp, "("); 724 printed += map__fprintf_dsoname(alf.map, fp); 725 printed += fprintf(fp, ")"); 726 } 727 728 printed += fprintf(fp, "/0x%"PRIx64, to); 729 if (PRINT_FIELD(DSO)) { 730 printed += fprintf(fp, "("); 731 printed += map__fprintf_dsoname(alt.map, fp); 732 printed += fprintf(fp, ")"); 733 } 734 735 printed += fprintf(fp, "/%c/%c/%c/%d ", 736 mispred_str( br->entries + i), 737 br->entries[i].flags.in_tx? 'X' : '-', 738 br->entries[i].flags.abort? 'A' : '-', 739 br->entries[i].flags.cycles); 740 } 741 742 return printed; 743 } 744 745 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample, 746 struct thread *thread, 747 struct perf_event_attr *attr, FILE *fp) 748 { 749 struct branch_stack *br = sample->branch_stack; 750 struct addr_location alf, alt; 751 u64 i, from, to; 752 int printed = 0; 753 754 if (!(br && br->nr)) 755 return 0; 756 757 for (i = 0; i < br->nr; i++) { 758 759 memset(&alf, 0, sizeof(alf)); 760 memset(&alt, 0, sizeof(alt)); 761 from = br->entries[i].from; 762 to = br->entries[i].to; 763 764 thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, from, &alf); 765 if (alf.map) 766 alf.sym = map__find_symbol(alf.map, alf.addr); 767 768 thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, to, &alt); 769 if (alt.map) 770 alt.sym = map__find_symbol(alt.map, alt.addr); 771 772 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp); 773 if (PRINT_FIELD(DSO)) { 774 printed += fprintf(fp, "("); 775 printed += map__fprintf_dsoname(alf.map, fp); 776 printed += fprintf(fp, ")"); 777 } 778 printed += fprintf(fp, "%c", '/'); 779 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp); 780 if (PRINT_FIELD(DSO)) { 781 printed += fprintf(fp, "("); 782 printed += map__fprintf_dsoname(alt.map, fp); 783 printed += fprintf(fp, ")"); 784 } 785 printed += fprintf(fp, "/%c/%c/%c/%d ", 786 mispred_str( br->entries + i), 787 br->entries[i].flags.in_tx? 'X' : '-', 788 br->entries[i].flags.abort? 'A' : '-', 789 br->entries[i].flags.cycles); 790 } 791 792 return printed; 793 } 794 795 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample, 796 struct thread *thread, 797 struct perf_event_attr *attr, FILE *fp) 798 { 799 struct branch_stack *br = sample->branch_stack; 800 struct addr_location alf, alt; 801 u64 i, from, to; 802 int printed = 0; 803 804 if (!(br && br->nr)) 805 return 0; 806 807 for (i = 0; i < br->nr; i++) { 808 809 memset(&alf, 0, sizeof(alf)); 810 memset(&alt, 0, sizeof(alt)); 811 from = br->entries[i].from; 812 to = br->entries[i].to; 813 814 thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, from, &alf); 815 if (alf.map && !alf.map->dso->adjust_symbols) 816 from = map__map_ip(alf.map, from); 817 818 thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, to, &alt); 819 if (alt.map && !alt.map->dso->adjust_symbols) 820 to = map__map_ip(alt.map, to); 821 822 printed += fprintf(fp, " 0x%"PRIx64, from); 823 if (PRINT_FIELD(DSO)) { 824 printed += fprintf(fp, "("); 825 printed += map__fprintf_dsoname(alf.map, fp); 826 printed += fprintf(fp, ")"); 827 } 828 printed += fprintf(fp, "/0x%"PRIx64, to); 829 if (PRINT_FIELD(DSO)) { 830 printed += fprintf(fp, "("); 831 printed += map__fprintf_dsoname(alt.map, fp); 832 printed += fprintf(fp, ")"); 833 } 834 printed += fprintf(fp, "/%c/%c/%c/%d ", 835 mispred_str(br->entries + i), 836 br->entries[i].flags.in_tx ? 'X' : '-', 837 br->entries[i].flags.abort ? 'A' : '-', 838 br->entries[i].flags.cycles); 839 } 840 841 return printed; 842 } 843 #define MAXBB 16384UL 844 845 static int grab_bb(u8 *buffer, u64 start, u64 end, 846 struct machine *machine, struct thread *thread, 847 bool *is64bit, u8 *cpumode, bool last) 848 { 849 long offset, len; 850 struct addr_location al; 851 bool kernel; 852 853 if (!start || !end) 854 return 0; 855 856 kernel = machine__kernel_ip(machine, start); 857 if (kernel) 858 *cpumode = PERF_RECORD_MISC_KERNEL; 859 else 860 *cpumode = PERF_RECORD_MISC_USER; 861 862 /* 863 * Block overlaps between kernel and user. 864 * This can happen due to ring filtering 865 * On Intel CPUs the entry into the kernel is filtered, 866 * but the exit is not. Let the caller patch it up. 867 */ 868 if (kernel != machine__kernel_ip(machine, end)) { 869 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end); 870 return -ENXIO; 871 } 872 873 memset(&al, 0, sizeof(al)); 874 if (end - start > MAXBB - MAXINSN) { 875 if (last) 876 pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end); 877 else 878 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start); 879 return 0; 880 } 881 882 thread__find_addr_map(thread, *cpumode, MAP__FUNCTION, start, &al); 883 if (!al.map || !al.map->dso) { 884 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 885 return 0; 886 } 887 if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) { 888 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 889 return 0; 890 } 891 892 /* Load maps to ensure dso->is_64_bit has been updated */ 893 map__load(al.map); 894 895 offset = al.map->map_ip(al.map, start); 896 len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer, 897 end - start + MAXINSN); 898 899 *is64bit = al.map->dso->is_64_bit; 900 if (len <= 0) 901 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n", 902 start, end); 903 return len; 904 } 905 906 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en, 907 struct perf_insn *x, u8 *inbuf, int len, 908 int insn, FILE *fp) 909 { 910 int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip, 911 dump_insn(x, ip, inbuf, len, NULL), 912 en->flags.predicted ? " PRED" : "", 913 en->flags.mispred ? " MISPRED" : "", 914 en->flags.in_tx ? " INTX" : "", 915 en->flags.abort ? " ABORT" : ""); 916 if (en->flags.cycles) { 917 printed += fprintf(fp, " %d cycles", en->flags.cycles); 918 if (insn) 919 printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles); 920 } 921 return printed + fprintf(fp, "\n"); 922 } 923 924 static int ip__fprintf_sym(uint64_t addr, struct thread *thread, 925 u8 cpumode, int cpu, struct symbol **lastsym, 926 struct perf_event_attr *attr, FILE *fp) 927 { 928 struct addr_location al; 929 int off, printed = 0; 930 931 memset(&al, 0, sizeof(al)); 932 933 thread__find_addr_map(thread, cpumode, MAP__FUNCTION, addr, &al); 934 if (!al.map) 935 thread__find_addr_map(thread, cpumode, MAP__VARIABLE, 936 addr, &al); 937 if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end) 938 return 0; 939 940 al.cpu = cpu; 941 al.sym = NULL; 942 if (al.map) 943 al.sym = map__find_symbol(al.map, al.addr); 944 945 if (!al.sym) 946 return 0; 947 948 if (al.addr < al.sym->end) 949 off = al.addr - al.sym->start; 950 else 951 off = al.addr - al.map->start - al.sym->start; 952 printed += fprintf(fp, "\t%s", al.sym->name); 953 if (off) 954 printed += fprintf(fp, "%+d", off); 955 printed += fprintf(fp, ":"); 956 if (PRINT_FIELD(SRCLINE)) 957 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp); 958 printed += fprintf(fp, "\n"); 959 *lastsym = al.sym; 960 961 return printed; 962 } 963 964 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample, 965 struct thread *thread, 966 struct perf_event_attr *attr, 967 struct machine *machine, FILE *fp) 968 { 969 struct branch_stack *br = sample->branch_stack; 970 u64 start, end; 971 int i, insn, len, nr, ilen, printed = 0; 972 struct perf_insn x; 973 u8 buffer[MAXBB]; 974 unsigned off; 975 struct symbol *lastsym = NULL; 976 977 if (!(br && br->nr)) 978 return 0; 979 nr = br->nr; 980 if (max_blocks && nr > max_blocks + 1) 981 nr = max_blocks + 1; 982 983 x.thread = thread; 984 x.cpu = sample->cpu; 985 986 printed += fprintf(fp, "%c", '\n'); 987 988 /* Handle first from jump, of which we don't know the entry. */ 989 len = grab_bb(buffer, br->entries[nr-1].from, 990 br->entries[nr-1].from, 991 machine, thread, &x.is64bit, &x.cpumode, false); 992 if (len > 0) { 993 printed += ip__fprintf_sym(br->entries[nr - 1].from, thread, 994 x.cpumode, x.cpu, &lastsym, attr, fp); 995 printed += ip__fprintf_jump(br->entries[nr - 1].from, &br->entries[nr - 1], 996 &x, buffer, len, 0, fp); 997 } 998 999 /* Print all blocks */ 1000 for (i = nr - 2; i >= 0; i--) { 1001 if (br->entries[i].from || br->entries[i].to) 1002 pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i, 1003 br->entries[i].from, 1004 br->entries[i].to); 1005 start = br->entries[i + 1].to; 1006 end = br->entries[i].from; 1007 1008 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1009 /* Patch up missing kernel transfers due to ring filters */ 1010 if (len == -ENXIO && i > 0) { 1011 end = br->entries[--i].from; 1012 pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end); 1013 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1014 } 1015 if (len <= 0) 1016 continue; 1017 1018 insn = 0; 1019 for (off = 0;; off += ilen) { 1020 uint64_t ip = start + off; 1021 1022 printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1023 if (ip == end) { 1024 printed += ip__fprintf_jump(ip, &br->entries[i], &x, buffer + off, len - off, insn, fp); 1025 break; 1026 } else { 1027 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip, 1028 dump_insn(&x, ip, buffer + off, len - off, &ilen)); 1029 if (ilen == 0) 1030 break; 1031 insn++; 1032 } 1033 } 1034 } 1035 1036 /* 1037 * Hit the branch? In this case we are already done, and the target 1038 * has not been executed yet. 1039 */ 1040 if (br->entries[0].from == sample->ip) 1041 goto out; 1042 if (br->entries[0].flags.abort) 1043 goto out; 1044 1045 /* 1046 * Print final block upto sample 1047 */ 1048 start = br->entries[0].to; 1049 end = sample->ip; 1050 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true); 1051 printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1052 if (len <= 0) { 1053 /* Print at least last IP if basic block did not work */ 1054 len = grab_bb(buffer, sample->ip, sample->ip, 1055 machine, thread, &x.is64bit, &x.cpumode, false); 1056 if (len <= 0) 1057 goto out; 1058 1059 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip, 1060 dump_insn(&x, sample->ip, buffer, len, NULL)); 1061 goto out; 1062 } 1063 for (off = 0; off <= end - start; off += ilen) { 1064 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off, 1065 dump_insn(&x, start + off, buffer + off, len - off, &ilen)); 1066 if (ilen == 0) 1067 break; 1068 } 1069 out: 1070 return printed; 1071 } 1072 1073 static int perf_sample__fprintf_addr(struct perf_sample *sample, 1074 struct thread *thread, 1075 struct perf_event_attr *attr, FILE *fp) 1076 { 1077 struct addr_location al; 1078 int printed = fprintf(fp, "%16" PRIx64, sample->addr); 1079 1080 if (!sample_addr_correlates_sym(attr)) 1081 goto out; 1082 1083 thread__resolve(thread, &al, sample); 1084 1085 if (PRINT_FIELD(SYM)) { 1086 printed += fprintf(fp, " "); 1087 if (PRINT_FIELD(SYMOFFSET)) 1088 printed += symbol__fprintf_symname_offs(al.sym, &al, fp); 1089 else 1090 printed += symbol__fprintf_symname(al.sym, fp); 1091 } 1092 1093 if (PRINT_FIELD(DSO)) { 1094 printed += fprintf(fp, " ("); 1095 printed += map__fprintf_dsoname(al.map, fp); 1096 printed += fprintf(fp, ")"); 1097 } 1098 out: 1099 return printed; 1100 } 1101 1102 static int perf_sample__fprintf_callindent(struct perf_sample *sample, 1103 struct perf_evsel *evsel, 1104 struct thread *thread, 1105 struct addr_location *al, FILE *fp) 1106 { 1107 struct perf_event_attr *attr = &evsel->attr; 1108 size_t depth = thread_stack__depth(thread); 1109 struct addr_location addr_al; 1110 const char *name = NULL; 1111 static int spacing; 1112 int len = 0; 1113 u64 ip = 0; 1114 1115 /* 1116 * The 'return' has already been popped off the stack so the depth has 1117 * to be adjusted to match the 'call'. 1118 */ 1119 if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN) 1120 depth += 1; 1121 1122 if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) { 1123 if (sample_addr_correlates_sym(attr)) { 1124 thread__resolve(thread, &addr_al, sample); 1125 if (addr_al.sym) 1126 name = addr_al.sym->name; 1127 else 1128 ip = sample->addr; 1129 } else { 1130 ip = sample->addr; 1131 } 1132 } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) { 1133 if (al->sym) 1134 name = al->sym->name; 1135 else 1136 ip = sample->ip; 1137 } 1138 1139 if (name) 1140 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name); 1141 else if (ip) 1142 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip); 1143 1144 if (len < 0) 1145 return len; 1146 1147 /* 1148 * Try to keep the output length from changing frequently so that the 1149 * output lines up more nicely. 1150 */ 1151 if (len > spacing || (len && len < spacing - 52)) 1152 spacing = round_up(len + 4, 32); 1153 1154 if (len < spacing) 1155 len += fprintf(fp, "%*s", spacing - len, ""); 1156 1157 return len; 1158 } 1159 1160 static int perf_sample__fprintf_insn(struct perf_sample *sample, 1161 struct perf_event_attr *attr, 1162 struct thread *thread, 1163 struct machine *machine, FILE *fp) 1164 { 1165 int printed = 0; 1166 1167 if (PRINT_FIELD(INSNLEN)) 1168 printed += fprintf(fp, " ilen: %d", sample->insn_len); 1169 if (PRINT_FIELD(INSN)) { 1170 int i; 1171 1172 printed += fprintf(fp, " insn:"); 1173 for (i = 0; i < sample->insn_len; i++) 1174 printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]); 1175 } 1176 if (PRINT_FIELD(BRSTACKINSN)) 1177 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp); 1178 1179 return printed; 1180 } 1181 1182 static int perf_sample__fprintf_bts(struct perf_sample *sample, 1183 struct perf_evsel *evsel, 1184 struct thread *thread, 1185 struct addr_location *al, 1186 struct machine *machine, FILE *fp) 1187 { 1188 struct perf_event_attr *attr = &evsel->attr; 1189 unsigned int type = output_type(attr->type); 1190 bool print_srcline_last = false; 1191 int printed = 0; 1192 1193 if (PRINT_FIELD(CALLINDENT)) 1194 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp); 1195 1196 /* print branch_from information */ 1197 if (PRINT_FIELD(IP)) { 1198 unsigned int print_opts = output[type].print_ip_opts; 1199 struct callchain_cursor *cursor = NULL; 1200 1201 if (symbol_conf.use_callchain && sample->callchain && 1202 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 1203 sample, NULL, NULL, scripting_max_stack) == 0) 1204 cursor = &callchain_cursor; 1205 1206 if (cursor == NULL) { 1207 printed += fprintf(fp, " "); 1208 if (print_opts & EVSEL__PRINT_SRCLINE) { 1209 print_srcline_last = true; 1210 print_opts &= ~EVSEL__PRINT_SRCLINE; 1211 } 1212 } else 1213 printed += fprintf(fp, "\n"); 1214 1215 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, fp); 1216 } 1217 1218 /* print branch_to information */ 1219 if (PRINT_FIELD(ADDR) || 1220 ((evsel->attr.sample_type & PERF_SAMPLE_ADDR) && 1221 !output[type].user_set)) { 1222 printed += fprintf(fp, " => "); 1223 printed += perf_sample__fprintf_addr(sample, thread, attr, fp); 1224 } 1225 1226 if (print_srcline_last) 1227 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp); 1228 1229 printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 1230 return printed + fprintf(fp, "\n"); 1231 } 1232 1233 static struct { 1234 u32 flags; 1235 const char *name; 1236 } sample_flags[] = { 1237 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"}, 1238 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"}, 1239 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"}, 1240 {PERF_IP_FLAG_BRANCH, "jmp"}, 1241 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"}, 1242 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"}, 1243 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"}, 1244 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"}, 1245 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"}, 1246 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"}, 1247 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"}, 1248 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"}, 1249 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"}, 1250 {0, NULL} 1251 }; 1252 1253 static int perf_sample__fprintf_flags(u32 flags, FILE *fp) 1254 { 1255 const char *chars = PERF_IP_FLAG_CHARS; 1256 const int n = strlen(PERF_IP_FLAG_CHARS); 1257 bool in_tx = flags & PERF_IP_FLAG_IN_TX; 1258 const char *name = NULL; 1259 char str[33]; 1260 int i, pos = 0; 1261 1262 for (i = 0; sample_flags[i].name ; i++) { 1263 if (sample_flags[i].flags == (flags & ~PERF_IP_FLAG_IN_TX)) { 1264 name = sample_flags[i].name; 1265 break; 1266 } 1267 } 1268 1269 for (i = 0; i < n; i++, flags >>= 1) { 1270 if (flags & 1) 1271 str[pos++] = chars[i]; 1272 } 1273 for (; i < 32; i++, flags >>= 1) { 1274 if (flags & 1) 1275 str[pos++] = '?'; 1276 } 1277 str[pos] = 0; 1278 1279 if (name) 1280 return fprintf(fp, " %-7s%4s ", name, in_tx ? "(x)" : ""); 1281 1282 return fprintf(fp, " %-11s ", str); 1283 } 1284 1285 struct printer_data { 1286 int line_no; 1287 bool hit_nul; 1288 bool is_printable; 1289 }; 1290 1291 static int sample__fprintf_bpf_output(enum binary_printer_ops op, 1292 unsigned int val, 1293 void *extra, FILE *fp) 1294 { 1295 unsigned char ch = (unsigned char)val; 1296 struct printer_data *printer_data = extra; 1297 int printed = 0; 1298 1299 switch (op) { 1300 case BINARY_PRINT_DATA_BEGIN: 1301 printed += fprintf(fp, "\n"); 1302 break; 1303 case BINARY_PRINT_LINE_BEGIN: 1304 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" : 1305 " "); 1306 break; 1307 case BINARY_PRINT_ADDR: 1308 printed += fprintf(fp, " %04x:", val); 1309 break; 1310 case BINARY_PRINT_NUM_DATA: 1311 printed += fprintf(fp, " %02x", val); 1312 break; 1313 case BINARY_PRINT_NUM_PAD: 1314 printed += fprintf(fp, " "); 1315 break; 1316 case BINARY_PRINT_SEP: 1317 printed += fprintf(fp, " "); 1318 break; 1319 case BINARY_PRINT_CHAR_DATA: 1320 if (printer_data->hit_nul && ch) 1321 printer_data->is_printable = false; 1322 1323 if (!isprint(ch)) { 1324 printed += fprintf(fp, "%c", '.'); 1325 1326 if (!printer_data->is_printable) 1327 break; 1328 1329 if (ch == '\0') 1330 printer_data->hit_nul = true; 1331 else 1332 printer_data->is_printable = false; 1333 } else { 1334 printed += fprintf(fp, "%c", ch); 1335 } 1336 break; 1337 case BINARY_PRINT_CHAR_PAD: 1338 printed += fprintf(fp, " "); 1339 break; 1340 case BINARY_PRINT_LINE_END: 1341 printed += fprintf(fp, "\n"); 1342 printer_data->line_no++; 1343 break; 1344 case BINARY_PRINT_DATA_END: 1345 default: 1346 break; 1347 } 1348 1349 return printed; 1350 } 1351 1352 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp) 1353 { 1354 unsigned int nr_bytes = sample->raw_size; 1355 struct printer_data printer_data = {0, false, true}; 1356 int printed = binary__fprintf(sample->raw_data, nr_bytes, 8, 1357 sample__fprintf_bpf_output, &printer_data, fp); 1358 1359 if (printer_data.is_printable && printer_data.hit_nul) 1360 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data)); 1361 1362 return printed; 1363 } 1364 1365 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp) 1366 { 1367 if (len > 0 && len < spacing) 1368 return fprintf(fp, "%*s", spacing - len, ""); 1369 1370 return 0; 1371 } 1372 1373 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp) 1374 { 1375 return perf_sample__fprintf_spacing(len, 34, fp); 1376 } 1377 1378 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp) 1379 { 1380 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample); 1381 int len; 1382 1383 if (perf_sample__bad_synth_size(sample, *data)) 1384 return 0; 1385 1386 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ", 1387 data->ip, le64_to_cpu(data->payload)); 1388 return len + perf_sample__fprintf_pt_spacing(len, fp); 1389 } 1390 1391 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp) 1392 { 1393 struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample); 1394 int len; 1395 1396 if (perf_sample__bad_synth_size(sample, *data)) 1397 return 0; 1398 1399 len = fprintf(fp, " hints: %#x extensions: %#x ", 1400 data->hints, data->extensions); 1401 return len + perf_sample__fprintf_pt_spacing(len, fp); 1402 } 1403 1404 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp) 1405 { 1406 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample); 1407 int len; 1408 1409 if (perf_sample__bad_synth_size(sample, *data)) 1410 return 0; 1411 1412 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ", 1413 data->hw, data->cstate, data->subcstate); 1414 return len + perf_sample__fprintf_pt_spacing(len, fp); 1415 } 1416 1417 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp) 1418 { 1419 struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample); 1420 int len; 1421 1422 if (perf_sample__bad_synth_size(sample, *data)) 1423 return 0; 1424 1425 len = fprintf(fp, " IP: %u ", data->ip); 1426 return len + perf_sample__fprintf_pt_spacing(len, fp); 1427 } 1428 1429 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp) 1430 { 1431 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample); 1432 int len; 1433 1434 if (perf_sample__bad_synth_size(sample, *data)) 1435 return 0; 1436 1437 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ", 1438 data->deepest_cstate, data->last_cstate, 1439 data->wake_reason); 1440 return len + perf_sample__fprintf_pt_spacing(len, fp); 1441 } 1442 1443 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp) 1444 { 1445 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample); 1446 unsigned int percent, freq; 1447 int len; 1448 1449 if (perf_sample__bad_synth_size(sample, *data)) 1450 return 0; 1451 1452 freq = (le32_to_cpu(data->freq) + 500) / 1000; 1453 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq); 1454 if (data->max_nonturbo) { 1455 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10; 1456 len += fprintf(fp, "(%3u%%) ", percent); 1457 } 1458 return len + perf_sample__fprintf_pt_spacing(len, fp); 1459 } 1460 1461 static int perf_sample__fprintf_synth(struct perf_sample *sample, 1462 struct perf_evsel *evsel, FILE *fp) 1463 { 1464 switch (evsel->attr.config) { 1465 case PERF_SYNTH_INTEL_PTWRITE: 1466 return perf_sample__fprintf_synth_ptwrite(sample, fp); 1467 case PERF_SYNTH_INTEL_MWAIT: 1468 return perf_sample__fprintf_synth_mwait(sample, fp); 1469 case PERF_SYNTH_INTEL_PWRE: 1470 return perf_sample__fprintf_synth_pwre(sample, fp); 1471 case PERF_SYNTH_INTEL_EXSTOP: 1472 return perf_sample__fprintf_synth_exstop(sample, fp); 1473 case PERF_SYNTH_INTEL_PWRX: 1474 return perf_sample__fprintf_synth_pwrx(sample, fp); 1475 case PERF_SYNTH_INTEL_CBR: 1476 return perf_sample__fprintf_synth_cbr(sample, fp); 1477 default: 1478 break; 1479 } 1480 1481 return 0; 1482 } 1483 1484 struct perf_script { 1485 struct perf_tool tool; 1486 struct perf_session *session; 1487 bool show_task_events; 1488 bool show_mmap_events; 1489 bool show_switch_events; 1490 bool show_namespace_events; 1491 bool show_lost_events; 1492 bool show_round_events; 1493 bool allocated; 1494 bool per_event_dump; 1495 struct cpu_map *cpus; 1496 struct thread_map *threads; 1497 int name_width; 1498 const char *time_str; 1499 struct perf_time_interval *ptime_range; 1500 int range_size; 1501 int range_num; 1502 }; 1503 1504 static int perf_evlist__max_name_len(struct perf_evlist *evlist) 1505 { 1506 struct perf_evsel *evsel; 1507 int max = 0; 1508 1509 evlist__for_each_entry(evlist, evsel) { 1510 int len = strlen(perf_evsel__name(evsel)); 1511 1512 max = MAX(len, max); 1513 } 1514 1515 return max; 1516 } 1517 1518 static int data_src__fprintf(u64 data_src, FILE *fp) 1519 { 1520 struct mem_info mi = { .data_src.val = data_src }; 1521 char decode[100]; 1522 char out[100]; 1523 static int maxlen; 1524 int len; 1525 1526 perf_script__meminfo_scnprintf(decode, 100, &mi); 1527 1528 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode); 1529 if (maxlen < len) 1530 maxlen = len; 1531 1532 return fprintf(fp, "%-*s", maxlen, out); 1533 } 1534 1535 struct metric_ctx { 1536 struct perf_sample *sample; 1537 struct thread *thread; 1538 struct perf_evsel *evsel; 1539 FILE *fp; 1540 }; 1541 1542 static void script_print_metric(void *ctx, const char *color, 1543 const char *fmt, 1544 const char *unit, double val) 1545 { 1546 struct metric_ctx *mctx = ctx; 1547 1548 if (!fmt) 1549 return; 1550 perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel, 1551 PERF_RECORD_SAMPLE, mctx->fp); 1552 fputs("\tmetric: ", mctx->fp); 1553 if (color) 1554 color_fprintf(mctx->fp, color, fmt, val); 1555 else 1556 printf(fmt, val); 1557 fprintf(mctx->fp, " %s\n", unit); 1558 } 1559 1560 static void script_new_line(void *ctx) 1561 { 1562 struct metric_ctx *mctx = ctx; 1563 1564 perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel, 1565 PERF_RECORD_SAMPLE, mctx->fp); 1566 fputs("\tmetric: ", mctx->fp); 1567 } 1568 1569 static void perf_sample__fprint_metric(struct perf_script *script, 1570 struct thread *thread, 1571 struct perf_evsel *evsel, 1572 struct perf_sample *sample, 1573 FILE *fp) 1574 { 1575 struct perf_stat_output_ctx ctx = { 1576 .print_metric = script_print_metric, 1577 .new_line = script_new_line, 1578 .ctx = &(struct metric_ctx) { 1579 .sample = sample, 1580 .thread = thread, 1581 .evsel = evsel, 1582 .fp = fp, 1583 }, 1584 .force_header = false, 1585 }; 1586 struct perf_evsel *ev2; 1587 static bool init; 1588 u64 val; 1589 1590 if (!init) { 1591 perf_stat__init_shadow_stats(); 1592 init = true; 1593 } 1594 if (!evsel->stats) 1595 perf_evlist__alloc_stats(script->session->evlist, false); 1596 if (evsel_script(evsel->leader)->gnum++ == 0) 1597 perf_stat__reset_shadow_stats(); 1598 val = sample->period * evsel->scale; 1599 perf_stat__update_shadow_stats(evsel, 1600 val, 1601 sample->cpu, 1602 &rt_stat); 1603 evsel_script(evsel)->val = val; 1604 if (evsel_script(evsel->leader)->gnum == evsel->leader->nr_members) { 1605 for_each_group_member (ev2, evsel->leader) { 1606 perf_stat__print_shadow_stats(ev2, 1607 evsel_script(ev2)->val, 1608 sample->cpu, 1609 &ctx, 1610 NULL, 1611 &rt_stat); 1612 } 1613 evsel_script(evsel->leader)->gnum = 0; 1614 } 1615 } 1616 1617 static void process_event(struct perf_script *script, 1618 struct perf_sample *sample, struct perf_evsel *evsel, 1619 struct addr_location *al, 1620 struct machine *machine) 1621 { 1622 struct thread *thread = al->thread; 1623 struct perf_event_attr *attr = &evsel->attr; 1624 unsigned int type = output_type(attr->type); 1625 struct perf_evsel_script *es = evsel->priv; 1626 FILE *fp = es->fp; 1627 1628 if (output[type].fields == 0) 1629 return; 1630 1631 ++es->samples; 1632 1633 perf_sample__fprintf_start(sample, thread, evsel, 1634 PERF_RECORD_SAMPLE, fp); 1635 1636 if (PRINT_FIELD(PERIOD)) 1637 fprintf(fp, "%10" PRIu64 " ", sample->period); 1638 1639 if (PRINT_FIELD(EVNAME)) { 1640 const char *evname = perf_evsel__name(evsel); 1641 1642 if (!script->name_width) 1643 script->name_width = perf_evlist__max_name_len(script->session->evlist); 1644 1645 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]"); 1646 } 1647 1648 if (print_flags) 1649 perf_sample__fprintf_flags(sample->flags, fp); 1650 1651 if (is_bts_event(attr)) { 1652 perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp); 1653 return; 1654 } 1655 1656 if (PRINT_FIELD(TRACE)) { 1657 event_format__fprintf(evsel->tp_format, sample->cpu, 1658 sample->raw_data, sample->raw_size, fp); 1659 } 1660 1661 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH)) 1662 perf_sample__fprintf_synth(sample, evsel, fp); 1663 1664 if (PRINT_FIELD(ADDR)) 1665 perf_sample__fprintf_addr(sample, thread, attr, fp); 1666 1667 if (PRINT_FIELD(DATA_SRC)) 1668 data_src__fprintf(sample->data_src, fp); 1669 1670 if (PRINT_FIELD(WEIGHT)) 1671 fprintf(fp, "%16" PRIu64, sample->weight); 1672 1673 if (PRINT_FIELD(IP)) { 1674 struct callchain_cursor *cursor = NULL; 1675 1676 if (symbol_conf.use_callchain && sample->callchain && 1677 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 1678 sample, NULL, NULL, scripting_max_stack) == 0) 1679 cursor = &callchain_cursor; 1680 1681 fputc(cursor ? '\n' : ' ', fp); 1682 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, fp); 1683 } 1684 1685 if (PRINT_FIELD(IREGS)) 1686 perf_sample__fprintf_iregs(sample, attr, fp); 1687 1688 if (PRINT_FIELD(UREGS)) 1689 perf_sample__fprintf_uregs(sample, attr, fp); 1690 1691 if (PRINT_FIELD(BRSTACK)) 1692 perf_sample__fprintf_brstack(sample, thread, attr, fp); 1693 else if (PRINT_FIELD(BRSTACKSYM)) 1694 perf_sample__fprintf_brstacksym(sample, thread, attr, fp); 1695 else if (PRINT_FIELD(BRSTACKOFF)) 1696 perf_sample__fprintf_brstackoff(sample, thread, attr, fp); 1697 1698 if (perf_evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT)) 1699 perf_sample__fprintf_bpf_output(sample, fp); 1700 perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 1701 1702 if (PRINT_FIELD(PHYS_ADDR)) 1703 fprintf(fp, "%16" PRIx64, sample->phys_addr); 1704 fprintf(fp, "\n"); 1705 1706 if (PRINT_FIELD(METRIC)) 1707 perf_sample__fprint_metric(script, thread, evsel, sample, fp); 1708 } 1709 1710 static struct scripting_ops *scripting_ops; 1711 1712 static void __process_stat(struct perf_evsel *counter, u64 tstamp) 1713 { 1714 int nthreads = thread_map__nr(counter->threads); 1715 int ncpus = perf_evsel__nr_cpus(counter); 1716 int cpu, thread; 1717 static int header_printed; 1718 1719 if (counter->system_wide) 1720 nthreads = 1; 1721 1722 if (!header_printed) { 1723 printf("%3s %8s %15s %15s %15s %15s %s\n", 1724 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT"); 1725 header_printed = 1; 1726 } 1727 1728 for (thread = 0; thread < nthreads; thread++) { 1729 for (cpu = 0; cpu < ncpus; cpu++) { 1730 struct perf_counts_values *counts; 1731 1732 counts = perf_counts(counter->counts, cpu, thread); 1733 1734 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n", 1735 counter->cpus->map[cpu], 1736 thread_map__pid(counter->threads, thread), 1737 counts->val, 1738 counts->ena, 1739 counts->run, 1740 tstamp, 1741 perf_evsel__name(counter)); 1742 } 1743 } 1744 } 1745 1746 static void process_stat(struct perf_evsel *counter, u64 tstamp) 1747 { 1748 if (scripting_ops && scripting_ops->process_stat) 1749 scripting_ops->process_stat(&stat_config, counter, tstamp); 1750 else 1751 __process_stat(counter, tstamp); 1752 } 1753 1754 static void process_stat_interval(u64 tstamp) 1755 { 1756 if (scripting_ops && scripting_ops->process_stat_interval) 1757 scripting_ops->process_stat_interval(tstamp); 1758 } 1759 1760 static void setup_scripting(void) 1761 { 1762 setup_perl_scripting(); 1763 setup_python_scripting(); 1764 } 1765 1766 static int flush_scripting(void) 1767 { 1768 return scripting_ops ? scripting_ops->flush_script() : 0; 1769 } 1770 1771 static int cleanup_scripting(void) 1772 { 1773 pr_debug("\nperf script stopped\n"); 1774 1775 return scripting_ops ? scripting_ops->stop_script() : 0; 1776 } 1777 1778 static int process_sample_event(struct perf_tool *tool, 1779 union perf_event *event, 1780 struct perf_sample *sample, 1781 struct perf_evsel *evsel, 1782 struct machine *machine) 1783 { 1784 struct perf_script *scr = container_of(tool, struct perf_script, tool); 1785 struct addr_location al; 1786 1787 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num, 1788 sample->time)) { 1789 return 0; 1790 } 1791 1792 if (debug_mode) { 1793 if (sample->time < last_timestamp) { 1794 pr_err("Samples misordered, previous: %" PRIu64 1795 " this: %" PRIu64 "\n", last_timestamp, 1796 sample->time); 1797 nr_unordered++; 1798 } 1799 last_timestamp = sample->time; 1800 return 0; 1801 } 1802 1803 if (machine__resolve(machine, &al, sample) < 0) { 1804 pr_err("problem processing %d event, skipping it.\n", 1805 event->header.type); 1806 return -1; 1807 } 1808 1809 if (al.filtered) 1810 goto out_put; 1811 1812 if (cpu_list && !test_bit(sample->cpu, cpu_bitmap)) 1813 goto out_put; 1814 1815 if (scripting_ops) 1816 scripting_ops->process_event(event, sample, evsel, &al); 1817 else 1818 process_event(scr, sample, evsel, &al, machine); 1819 1820 out_put: 1821 addr_location__put(&al); 1822 return 0; 1823 } 1824 1825 static int process_attr(struct perf_tool *tool, union perf_event *event, 1826 struct perf_evlist **pevlist) 1827 { 1828 struct perf_script *scr = container_of(tool, struct perf_script, tool); 1829 struct perf_evlist *evlist; 1830 struct perf_evsel *evsel, *pos; 1831 int err; 1832 1833 err = perf_event__process_attr(tool, event, pevlist); 1834 if (err) 1835 return err; 1836 1837 evlist = *pevlist; 1838 evsel = perf_evlist__last(*pevlist); 1839 1840 if (evsel->attr.type >= PERF_TYPE_MAX && 1841 evsel->attr.type != PERF_TYPE_SYNTH) 1842 return 0; 1843 1844 evlist__for_each_entry(evlist, pos) { 1845 if (pos->attr.type == evsel->attr.type && pos != evsel) 1846 return 0; 1847 } 1848 1849 set_print_ip_opts(&evsel->attr); 1850 1851 if (evsel->attr.sample_type) 1852 err = perf_evsel__check_attr(evsel, scr->session); 1853 1854 return err; 1855 } 1856 1857 static int process_comm_event(struct perf_tool *tool, 1858 union perf_event *event, 1859 struct perf_sample *sample, 1860 struct machine *machine) 1861 { 1862 struct thread *thread; 1863 struct perf_script *script = container_of(tool, struct perf_script, tool); 1864 struct perf_session *session = script->session; 1865 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 1866 int ret = -1; 1867 1868 thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid); 1869 if (thread == NULL) { 1870 pr_debug("problem processing COMM event, skipping it.\n"); 1871 return -1; 1872 } 1873 1874 if (perf_event__process_comm(tool, event, sample, machine) < 0) 1875 goto out; 1876 1877 if (!evsel->attr.sample_id_all) { 1878 sample->cpu = 0; 1879 sample->time = 0; 1880 sample->tid = event->comm.tid; 1881 sample->pid = event->comm.pid; 1882 } 1883 perf_sample__fprintf_start(sample, thread, evsel, 1884 PERF_RECORD_COMM, stdout); 1885 perf_event__fprintf(event, stdout); 1886 ret = 0; 1887 out: 1888 thread__put(thread); 1889 return ret; 1890 } 1891 1892 static int process_namespaces_event(struct perf_tool *tool, 1893 union perf_event *event, 1894 struct perf_sample *sample, 1895 struct machine *machine) 1896 { 1897 struct thread *thread; 1898 struct perf_script *script = container_of(tool, struct perf_script, tool); 1899 struct perf_session *session = script->session; 1900 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 1901 int ret = -1; 1902 1903 thread = machine__findnew_thread(machine, event->namespaces.pid, 1904 event->namespaces.tid); 1905 if (thread == NULL) { 1906 pr_debug("problem processing NAMESPACES event, skipping it.\n"); 1907 return -1; 1908 } 1909 1910 if (perf_event__process_namespaces(tool, event, sample, machine) < 0) 1911 goto out; 1912 1913 if (!evsel->attr.sample_id_all) { 1914 sample->cpu = 0; 1915 sample->time = 0; 1916 sample->tid = event->namespaces.tid; 1917 sample->pid = event->namespaces.pid; 1918 } 1919 perf_sample__fprintf_start(sample, thread, evsel, 1920 PERF_RECORD_NAMESPACES, stdout); 1921 perf_event__fprintf(event, stdout); 1922 ret = 0; 1923 out: 1924 thread__put(thread); 1925 return ret; 1926 } 1927 1928 static int process_fork_event(struct perf_tool *tool, 1929 union perf_event *event, 1930 struct perf_sample *sample, 1931 struct machine *machine) 1932 { 1933 struct thread *thread; 1934 struct perf_script *script = container_of(tool, struct perf_script, tool); 1935 struct perf_session *session = script->session; 1936 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 1937 1938 if (perf_event__process_fork(tool, event, sample, machine) < 0) 1939 return -1; 1940 1941 thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid); 1942 if (thread == NULL) { 1943 pr_debug("problem processing FORK event, skipping it.\n"); 1944 return -1; 1945 } 1946 1947 if (!evsel->attr.sample_id_all) { 1948 sample->cpu = 0; 1949 sample->time = event->fork.time; 1950 sample->tid = event->fork.tid; 1951 sample->pid = event->fork.pid; 1952 } 1953 perf_sample__fprintf_start(sample, thread, evsel, 1954 PERF_RECORD_FORK, stdout); 1955 perf_event__fprintf(event, stdout); 1956 thread__put(thread); 1957 1958 return 0; 1959 } 1960 static int process_exit_event(struct perf_tool *tool, 1961 union perf_event *event, 1962 struct perf_sample *sample, 1963 struct machine *machine) 1964 { 1965 int err = 0; 1966 struct thread *thread; 1967 struct perf_script *script = container_of(tool, struct perf_script, tool); 1968 struct perf_session *session = script->session; 1969 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 1970 1971 thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid); 1972 if (thread == NULL) { 1973 pr_debug("problem processing EXIT event, skipping it.\n"); 1974 return -1; 1975 } 1976 1977 if (!evsel->attr.sample_id_all) { 1978 sample->cpu = 0; 1979 sample->time = 0; 1980 sample->tid = event->fork.tid; 1981 sample->pid = event->fork.pid; 1982 } 1983 perf_sample__fprintf_start(sample, thread, evsel, 1984 PERF_RECORD_EXIT, stdout); 1985 perf_event__fprintf(event, stdout); 1986 1987 if (perf_event__process_exit(tool, event, sample, machine) < 0) 1988 err = -1; 1989 1990 thread__put(thread); 1991 return err; 1992 } 1993 1994 static int process_mmap_event(struct perf_tool *tool, 1995 union perf_event *event, 1996 struct perf_sample *sample, 1997 struct machine *machine) 1998 { 1999 struct thread *thread; 2000 struct perf_script *script = container_of(tool, struct perf_script, tool); 2001 struct perf_session *session = script->session; 2002 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2003 2004 if (perf_event__process_mmap(tool, event, sample, machine) < 0) 2005 return -1; 2006 2007 thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid); 2008 if (thread == NULL) { 2009 pr_debug("problem processing MMAP event, skipping it.\n"); 2010 return -1; 2011 } 2012 2013 if (!evsel->attr.sample_id_all) { 2014 sample->cpu = 0; 2015 sample->time = 0; 2016 sample->tid = event->mmap.tid; 2017 sample->pid = event->mmap.pid; 2018 } 2019 perf_sample__fprintf_start(sample, thread, evsel, 2020 PERF_RECORD_MMAP, stdout); 2021 perf_event__fprintf(event, stdout); 2022 thread__put(thread); 2023 return 0; 2024 } 2025 2026 static int process_mmap2_event(struct perf_tool *tool, 2027 union perf_event *event, 2028 struct perf_sample *sample, 2029 struct machine *machine) 2030 { 2031 struct thread *thread; 2032 struct perf_script *script = container_of(tool, struct perf_script, tool); 2033 struct perf_session *session = script->session; 2034 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2035 2036 if (perf_event__process_mmap2(tool, event, sample, machine) < 0) 2037 return -1; 2038 2039 thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid); 2040 if (thread == NULL) { 2041 pr_debug("problem processing MMAP2 event, skipping it.\n"); 2042 return -1; 2043 } 2044 2045 if (!evsel->attr.sample_id_all) { 2046 sample->cpu = 0; 2047 sample->time = 0; 2048 sample->tid = event->mmap2.tid; 2049 sample->pid = event->mmap2.pid; 2050 } 2051 perf_sample__fprintf_start(sample, thread, evsel, 2052 PERF_RECORD_MMAP2, stdout); 2053 perf_event__fprintf(event, stdout); 2054 thread__put(thread); 2055 return 0; 2056 } 2057 2058 static int process_switch_event(struct perf_tool *tool, 2059 union perf_event *event, 2060 struct perf_sample *sample, 2061 struct machine *machine) 2062 { 2063 struct thread *thread; 2064 struct perf_script *script = container_of(tool, struct perf_script, tool); 2065 struct perf_session *session = script->session; 2066 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2067 2068 if (perf_event__process_switch(tool, event, sample, machine) < 0) 2069 return -1; 2070 2071 thread = machine__findnew_thread(machine, sample->pid, 2072 sample->tid); 2073 if (thread == NULL) { 2074 pr_debug("problem processing SWITCH event, skipping it.\n"); 2075 return -1; 2076 } 2077 2078 perf_sample__fprintf_start(sample, thread, evsel, 2079 PERF_RECORD_SWITCH, stdout); 2080 perf_event__fprintf(event, stdout); 2081 thread__put(thread); 2082 return 0; 2083 } 2084 2085 static int 2086 process_lost_event(struct perf_tool *tool, 2087 union perf_event *event, 2088 struct perf_sample *sample, 2089 struct machine *machine) 2090 { 2091 struct perf_script *script = container_of(tool, struct perf_script, tool); 2092 struct perf_session *session = script->session; 2093 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2094 struct thread *thread; 2095 2096 thread = machine__findnew_thread(machine, sample->pid, 2097 sample->tid); 2098 if (thread == NULL) 2099 return -1; 2100 2101 perf_sample__fprintf_start(sample, thread, evsel, 2102 PERF_RECORD_LOST, stdout); 2103 perf_event__fprintf(event, stdout); 2104 thread__put(thread); 2105 return 0; 2106 } 2107 2108 static int 2109 process_finished_round_event(struct perf_tool *tool __maybe_unused, 2110 union perf_event *event, 2111 struct ordered_events *oe __maybe_unused) 2112 2113 { 2114 perf_event__fprintf(event, stdout); 2115 return 0; 2116 } 2117 2118 static void sig_handler(int sig __maybe_unused) 2119 { 2120 session_done = 1; 2121 } 2122 2123 static void perf_script__fclose_per_event_dump(struct perf_script *script) 2124 { 2125 struct perf_evlist *evlist = script->session->evlist; 2126 struct perf_evsel *evsel; 2127 2128 evlist__for_each_entry(evlist, evsel) { 2129 if (!evsel->priv) 2130 break; 2131 perf_evsel_script__delete(evsel->priv); 2132 evsel->priv = NULL; 2133 } 2134 } 2135 2136 static int perf_script__fopen_per_event_dump(struct perf_script *script) 2137 { 2138 struct perf_evsel *evsel; 2139 2140 evlist__for_each_entry(script->session->evlist, evsel) { 2141 /* 2142 * Already setup? I.e. we may be called twice in cases like 2143 * Intel PT, one for the intel_pt// and dummy events, then 2144 * for the evsels syntheized from the auxtrace info. 2145 * 2146 * Ses perf_script__process_auxtrace_info. 2147 */ 2148 if (evsel->priv != NULL) 2149 continue; 2150 2151 evsel->priv = perf_evsel_script__new(evsel, script->session->data); 2152 if (evsel->priv == NULL) 2153 goto out_err_fclose; 2154 } 2155 2156 return 0; 2157 2158 out_err_fclose: 2159 perf_script__fclose_per_event_dump(script); 2160 return -1; 2161 } 2162 2163 static int perf_script__setup_per_event_dump(struct perf_script *script) 2164 { 2165 struct perf_evsel *evsel; 2166 static struct perf_evsel_script es_stdout; 2167 2168 if (script->per_event_dump) 2169 return perf_script__fopen_per_event_dump(script); 2170 2171 es_stdout.fp = stdout; 2172 2173 evlist__for_each_entry(script->session->evlist, evsel) 2174 evsel->priv = &es_stdout; 2175 2176 return 0; 2177 } 2178 2179 static void perf_script__exit_per_event_dump_stats(struct perf_script *script) 2180 { 2181 struct perf_evsel *evsel; 2182 2183 evlist__for_each_entry(script->session->evlist, evsel) { 2184 struct perf_evsel_script *es = evsel->priv; 2185 2186 perf_evsel_script__fprintf(es, stdout); 2187 perf_evsel_script__delete(es); 2188 evsel->priv = NULL; 2189 } 2190 } 2191 2192 static int __cmd_script(struct perf_script *script) 2193 { 2194 int ret; 2195 2196 signal(SIGINT, sig_handler); 2197 2198 /* override event processing functions */ 2199 if (script->show_task_events) { 2200 script->tool.comm = process_comm_event; 2201 script->tool.fork = process_fork_event; 2202 script->tool.exit = process_exit_event; 2203 } 2204 if (script->show_mmap_events) { 2205 script->tool.mmap = process_mmap_event; 2206 script->tool.mmap2 = process_mmap2_event; 2207 } 2208 if (script->show_switch_events) 2209 script->tool.context_switch = process_switch_event; 2210 if (script->show_namespace_events) 2211 script->tool.namespaces = process_namespaces_event; 2212 if (script->show_lost_events) 2213 script->tool.lost = process_lost_event; 2214 if (script->show_round_events) { 2215 script->tool.ordered_events = false; 2216 script->tool.finished_round = process_finished_round_event; 2217 } 2218 2219 if (perf_script__setup_per_event_dump(script)) { 2220 pr_err("Couldn't create the per event dump files\n"); 2221 return -1; 2222 } 2223 2224 ret = perf_session__process_events(script->session); 2225 2226 if (script->per_event_dump) 2227 perf_script__exit_per_event_dump_stats(script); 2228 2229 if (debug_mode) 2230 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); 2231 2232 return ret; 2233 } 2234 2235 struct script_spec { 2236 struct list_head node; 2237 struct scripting_ops *ops; 2238 char spec[0]; 2239 }; 2240 2241 static LIST_HEAD(script_specs); 2242 2243 static struct script_spec *script_spec__new(const char *spec, 2244 struct scripting_ops *ops) 2245 { 2246 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); 2247 2248 if (s != NULL) { 2249 strcpy(s->spec, spec); 2250 s->ops = ops; 2251 } 2252 2253 return s; 2254 } 2255 2256 static void script_spec__add(struct script_spec *s) 2257 { 2258 list_add_tail(&s->node, &script_specs); 2259 } 2260 2261 static struct script_spec *script_spec__find(const char *spec) 2262 { 2263 struct script_spec *s; 2264 2265 list_for_each_entry(s, &script_specs, node) 2266 if (strcasecmp(s->spec, spec) == 0) 2267 return s; 2268 return NULL; 2269 } 2270 2271 int script_spec_register(const char *spec, struct scripting_ops *ops) 2272 { 2273 struct script_spec *s; 2274 2275 s = script_spec__find(spec); 2276 if (s) 2277 return -1; 2278 2279 s = script_spec__new(spec, ops); 2280 if (!s) 2281 return -1; 2282 else 2283 script_spec__add(s); 2284 2285 return 0; 2286 } 2287 2288 static struct scripting_ops *script_spec__lookup(const char *spec) 2289 { 2290 struct script_spec *s = script_spec__find(spec); 2291 if (!s) 2292 return NULL; 2293 2294 return s->ops; 2295 } 2296 2297 static void list_available_languages(void) 2298 { 2299 struct script_spec *s; 2300 2301 fprintf(stderr, "\n"); 2302 fprintf(stderr, "Scripting language extensions (used in " 2303 "perf script -s [spec:]script.[spec]):\n\n"); 2304 2305 list_for_each_entry(s, &script_specs, node) 2306 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); 2307 2308 fprintf(stderr, "\n"); 2309 } 2310 2311 static int parse_scriptname(const struct option *opt __maybe_unused, 2312 const char *str, int unset __maybe_unused) 2313 { 2314 char spec[PATH_MAX]; 2315 const char *script, *ext; 2316 int len; 2317 2318 if (strcmp(str, "lang") == 0) { 2319 list_available_languages(); 2320 exit(0); 2321 } 2322 2323 script = strchr(str, ':'); 2324 if (script) { 2325 len = script - str; 2326 if (len >= PATH_MAX) { 2327 fprintf(stderr, "invalid language specifier"); 2328 return -1; 2329 } 2330 strncpy(spec, str, len); 2331 spec[len] = '\0'; 2332 scripting_ops = script_spec__lookup(spec); 2333 if (!scripting_ops) { 2334 fprintf(stderr, "invalid language specifier"); 2335 return -1; 2336 } 2337 script++; 2338 } else { 2339 script = str; 2340 ext = strrchr(script, '.'); 2341 if (!ext) { 2342 fprintf(stderr, "invalid script extension"); 2343 return -1; 2344 } 2345 scripting_ops = script_spec__lookup(++ext); 2346 if (!scripting_ops) { 2347 fprintf(stderr, "invalid script extension"); 2348 return -1; 2349 } 2350 } 2351 2352 script_name = strdup(script); 2353 2354 return 0; 2355 } 2356 2357 static int parse_output_fields(const struct option *opt __maybe_unused, 2358 const char *arg, int unset __maybe_unused) 2359 { 2360 char *tok, *strtok_saveptr = NULL; 2361 int i, imax = ARRAY_SIZE(all_output_options); 2362 int j; 2363 int rc = 0; 2364 char *str = strdup(arg); 2365 int type = -1; 2366 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT; 2367 2368 if (!str) 2369 return -ENOMEM; 2370 2371 /* first word can state for which event type the user is specifying 2372 * the fields. If no type exists, the specified fields apply to all 2373 * event types found in the file minus the invalid fields for a type. 2374 */ 2375 tok = strchr(str, ':'); 2376 if (tok) { 2377 *tok = '\0'; 2378 tok++; 2379 if (!strcmp(str, "hw")) 2380 type = PERF_TYPE_HARDWARE; 2381 else if (!strcmp(str, "sw")) 2382 type = PERF_TYPE_SOFTWARE; 2383 else if (!strcmp(str, "trace")) 2384 type = PERF_TYPE_TRACEPOINT; 2385 else if (!strcmp(str, "raw")) 2386 type = PERF_TYPE_RAW; 2387 else if (!strcmp(str, "break")) 2388 type = PERF_TYPE_BREAKPOINT; 2389 else if (!strcmp(str, "synth")) 2390 type = OUTPUT_TYPE_SYNTH; 2391 else { 2392 fprintf(stderr, "Invalid event type in field string.\n"); 2393 rc = -EINVAL; 2394 goto out; 2395 } 2396 2397 if (output[type].user_set) 2398 pr_warning("Overriding previous field request for %s events.\n", 2399 event_type(type)); 2400 2401 output[type].fields = 0; 2402 output[type].user_set = true; 2403 output[type].wildcard_set = false; 2404 2405 } else { 2406 tok = str; 2407 if (strlen(str) == 0) { 2408 fprintf(stderr, 2409 "Cannot set fields to 'none' for all event types.\n"); 2410 rc = -EINVAL; 2411 goto out; 2412 } 2413 2414 /* Don't override defaults for +- */ 2415 if (strchr(str, '+') || strchr(str, '-')) 2416 goto parse; 2417 2418 if (output_set_by_user()) 2419 pr_warning("Overriding previous field request for all events.\n"); 2420 2421 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 2422 output[j].fields = 0; 2423 output[j].user_set = true; 2424 output[j].wildcard_set = true; 2425 } 2426 } 2427 2428 parse: 2429 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) { 2430 if (*tok == '+') { 2431 if (change == SET) 2432 goto out_badmix; 2433 change = ADD; 2434 tok++; 2435 } else if (*tok == '-') { 2436 if (change == SET) 2437 goto out_badmix; 2438 change = REMOVE; 2439 tok++; 2440 } else { 2441 if (change != SET && change != DEFAULT) 2442 goto out_badmix; 2443 change = SET; 2444 } 2445 2446 for (i = 0; i < imax; ++i) { 2447 if (strcmp(tok, all_output_options[i].str) == 0) 2448 break; 2449 } 2450 if (i == imax && strcmp(tok, "flags") == 0) { 2451 print_flags = change == REMOVE ? false : true; 2452 continue; 2453 } 2454 if (i == imax) { 2455 fprintf(stderr, "Invalid field requested.\n"); 2456 rc = -EINVAL; 2457 goto out; 2458 } 2459 2460 if (type == -1) { 2461 /* add user option to all events types for 2462 * which it is valid 2463 */ 2464 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 2465 if (output[j].invalid_fields & all_output_options[i].field) { 2466 pr_warning("\'%s\' not valid for %s events. Ignoring.\n", 2467 all_output_options[i].str, event_type(j)); 2468 } else { 2469 if (change == REMOVE) 2470 output[j].fields &= ~all_output_options[i].field; 2471 else 2472 output[j].fields |= all_output_options[i].field; 2473 } 2474 } 2475 } else { 2476 if (output[type].invalid_fields & all_output_options[i].field) { 2477 fprintf(stderr, "\'%s\' not valid for %s events.\n", 2478 all_output_options[i].str, event_type(type)); 2479 2480 rc = -EINVAL; 2481 goto out; 2482 } 2483 output[type].fields |= all_output_options[i].field; 2484 } 2485 } 2486 2487 if (type >= 0) { 2488 if (output[type].fields == 0) { 2489 pr_debug("No fields requested for %s type. " 2490 "Events will not be displayed.\n", event_type(type)); 2491 } 2492 } 2493 goto out; 2494 2495 out_badmix: 2496 fprintf(stderr, "Cannot mix +-field with overridden fields\n"); 2497 rc = -EINVAL; 2498 out: 2499 free(str); 2500 return rc; 2501 } 2502 2503 #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \ 2504 while ((lang_dirent = readdir(scripts_dir)) != NULL) \ 2505 if ((lang_dirent->d_type == DT_DIR || \ 2506 (lang_dirent->d_type == DT_UNKNOWN && \ 2507 is_directory(scripts_path, lang_dirent))) && \ 2508 (strcmp(lang_dirent->d_name, ".")) && \ 2509 (strcmp(lang_dirent->d_name, ".."))) 2510 2511 #define for_each_script(lang_path, lang_dir, script_dirent) \ 2512 while ((script_dirent = readdir(lang_dir)) != NULL) \ 2513 if (script_dirent->d_type != DT_DIR && \ 2514 (script_dirent->d_type != DT_UNKNOWN || \ 2515 !is_directory(lang_path, script_dirent))) 2516 2517 2518 #define RECORD_SUFFIX "-record" 2519 #define REPORT_SUFFIX "-report" 2520 2521 struct script_desc { 2522 struct list_head node; 2523 char *name; 2524 char *half_liner; 2525 char *args; 2526 }; 2527 2528 static LIST_HEAD(script_descs); 2529 2530 static struct script_desc *script_desc__new(const char *name) 2531 { 2532 struct script_desc *s = zalloc(sizeof(*s)); 2533 2534 if (s != NULL && name) 2535 s->name = strdup(name); 2536 2537 return s; 2538 } 2539 2540 static void script_desc__delete(struct script_desc *s) 2541 { 2542 zfree(&s->name); 2543 zfree(&s->half_liner); 2544 zfree(&s->args); 2545 free(s); 2546 } 2547 2548 static void script_desc__add(struct script_desc *s) 2549 { 2550 list_add_tail(&s->node, &script_descs); 2551 } 2552 2553 static struct script_desc *script_desc__find(const char *name) 2554 { 2555 struct script_desc *s; 2556 2557 list_for_each_entry(s, &script_descs, node) 2558 if (strcasecmp(s->name, name) == 0) 2559 return s; 2560 return NULL; 2561 } 2562 2563 static struct script_desc *script_desc__findnew(const char *name) 2564 { 2565 struct script_desc *s = script_desc__find(name); 2566 2567 if (s) 2568 return s; 2569 2570 s = script_desc__new(name); 2571 if (!s) 2572 return NULL; 2573 2574 script_desc__add(s); 2575 2576 return s; 2577 } 2578 2579 static const char *ends_with(const char *str, const char *suffix) 2580 { 2581 size_t suffix_len = strlen(suffix); 2582 const char *p = str; 2583 2584 if (strlen(str) > suffix_len) { 2585 p = str + strlen(str) - suffix_len; 2586 if (!strncmp(p, suffix, suffix_len)) 2587 return p; 2588 } 2589 2590 return NULL; 2591 } 2592 2593 static int read_script_info(struct script_desc *desc, const char *filename) 2594 { 2595 char line[BUFSIZ], *p; 2596 FILE *fp; 2597 2598 fp = fopen(filename, "r"); 2599 if (!fp) 2600 return -1; 2601 2602 while (fgets(line, sizeof(line), fp)) { 2603 p = ltrim(line); 2604 if (strlen(p) == 0) 2605 continue; 2606 if (*p != '#') 2607 continue; 2608 p++; 2609 if (strlen(p) && *p == '!') 2610 continue; 2611 2612 p = ltrim(p); 2613 if (strlen(p) && p[strlen(p) - 1] == '\n') 2614 p[strlen(p) - 1] = '\0'; 2615 2616 if (!strncmp(p, "description:", strlen("description:"))) { 2617 p += strlen("description:"); 2618 desc->half_liner = strdup(ltrim(p)); 2619 continue; 2620 } 2621 2622 if (!strncmp(p, "args:", strlen("args:"))) { 2623 p += strlen("args:"); 2624 desc->args = strdup(ltrim(p)); 2625 continue; 2626 } 2627 } 2628 2629 fclose(fp); 2630 2631 return 0; 2632 } 2633 2634 static char *get_script_root(struct dirent *script_dirent, const char *suffix) 2635 { 2636 char *script_root, *str; 2637 2638 script_root = strdup(script_dirent->d_name); 2639 if (!script_root) 2640 return NULL; 2641 2642 str = (char *)ends_with(script_root, suffix); 2643 if (!str) { 2644 free(script_root); 2645 return NULL; 2646 } 2647 2648 *str = '\0'; 2649 return script_root; 2650 } 2651 2652 static int list_available_scripts(const struct option *opt __maybe_unused, 2653 const char *s __maybe_unused, 2654 int unset __maybe_unused) 2655 { 2656 struct dirent *script_dirent, *lang_dirent; 2657 char scripts_path[MAXPATHLEN]; 2658 DIR *scripts_dir, *lang_dir; 2659 char script_path[MAXPATHLEN]; 2660 char lang_path[MAXPATHLEN]; 2661 struct script_desc *desc; 2662 char first_half[BUFSIZ]; 2663 char *script_root; 2664 2665 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 2666 2667 scripts_dir = opendir(scripts_path); 2668 if (!scripts_dir) { 2669 fprintf(stdout, 2670 "open(%s) failed.\n" 2671 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n", 2672 scripts_path); 2673 exit(-1); 2674 } 2675 2676 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 2677 snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 2678 lang_dirent->d_name); 2679 lang_dir = opendir(lang_path); 2680 if (!lang_dir) 2681 continue; 2682 2683 for_each_script(lang_path, lang_dir, script_dirent) { 2684 script_root = get_script_root(script_dirent, REPORT_SUFFIX); 2685 if (script_root) { 2686 desc = script_desc__findnew(script_root); 2687 snprintf(script_path, MAXPATHLEN, "%s/%s", 2688 lang_path, script_dirent->d_name); 2689 read_script_info(desc, script_path); 2690 free(script_root); 2691 } 2692 } 2693 } 2694 2695 fprintf(stdout, "List of available trace scripts:\n"); 2696 list_for_each_entry(desc, &script_descs, node) { 2697 sprintf(first_half, "%s %s", desc->name, 2698 desc->args ? desc->args : ""); 2699 fprintf(stdout, " %-36s %s\n", first_half, 2700 desc->half_liner ? desc->half_liner : ""); 2701 } 2702 2703 exit(0); 2704 } 2705 2706 /* 2707 * Some scripts specify the required events in their "xxx-record" file, 2708 * this function will check if the events in perf.data match those 2709 * mentioned in the "xxx-record". 2710 * 2711 * Fixme: All existing "xxx-record" are all in good formats "-e event ", 2712 * which is covered well now. And new parsing code should be added to 2713 * cover the future complexing formats like event groups etc. 2714 */ 2715 static int check_ev_match(char *dir_name, char *scriptname, 2716 struct perf_session *session) 2717 { 2718 char filename[MAXPATHLEN], evname[128]; 2719 char line[BUFSIZ], *p; 2720 struct perf_evsel *pos; 2721 int match, len; 2722 FILE *fp; 2723 2724 sprintf(filename, "%s/bin/%s-record", dir_name, scriptname); 2725 2726 fp = fopen(filename, "r"); 2727 if (!fp) 2728 return -1; 2729 2730 while (fgets(line, sizeof(line), fp)) { 2731 p = ltrim(line); 2732 if (*p == '#') 2733 continue; 2734 2735 while (strlen(p)) { 2736 p = strstr(p, "-e"); 2737 if (!p) 2738 break; 2739 2740 p += 2; 2741 p = ltrim(p); 2742 len = strcspn(p, " \t"); 2743 if (!len) 2744 break; 2745 2746 snprintf(evname, len + 1, "%s", p); 2747 2748 match = 0; 2749 evlist__for_each_entry(session->evlist, pos) { 2750 if (!strcmp(perf_evsel__name(pos), evname)) { 2751 match = 1; 2752 break; 2753 } 2754 } 2755 2756 if (!match) { 2757 fclose(fp); 2758 return -1; 2759 } 2760 } 2761 } 2762 2763 fclose(fp); 2764 return 0; 2765 } 2766 2767 /* 2768 * Return -1 if none is found, otherwise the actual scripts number. 2769 * 2770 * Currently the only user of this function is the script browser, which 2771 * will list all statically runnable scripts, select one, execute it and 2772 * show the output in a perf browser. 2773 */ 2774 int find_scripts(char **scripts_array, char **scripts_path_array) 2775 { 2776 struct dirent *script_dirent, *lang_dirent; 2777 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; 2778 DIR *scripts_dir, *lang_dir; 2779 struct perf_session *session; 2780 struct perf_data data = { 2781 .file = { 2782 .path = input_name, 2783 }, 2784 .mode = PERF_DATA_MODE_READ, 2785 }; 2786 char *temp; 2787 int i = 0; 2788 2789 session = perf_session__new(&data, false, NULL); 2790 if (!session) 2791 return -1; 2792 2793 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 2794 2795 scripts_dir = opendir(scripts_path); 2796 if (!scripts_dir) { 2797 perf_session__delete(session); 2798 return -1; 2799 } 2800 2801 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 2802 snprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, 2803 lang_dirent->d_name); 2804 #ifdef NO_LIBPERL 2805 if (strstr(lang_path, "perl")) 2806 continue; 2807 #endif 2808 #ifdef NO_LIBPYTHON 2809 if (strstr(lang_path, "python")) 2810 continue; 2811 #endif 2812 2813 lang_dir = opendir(lang_path); 2814 if (!lang_dir) 2815 continue; 2816 2817 for_each_script(lang_path, lang_dir, script_dirent) { 2818 /* Skip those real time scripts: xxxtop.p[yl] */ 2819 if (strstr(script_dirent->d_name, "top.")) 2820 continue; 2821 sprintf(scripts_path_array[i], "%s/%s", lang_path, 2822 script_dirent->d_name); 2823 temp = strchr(script_dirent->d_name, '.'); 2824 snprintf(scripts_array[i], 2825 (temp - script_dirent->d_name) + 1, 2826 "%s", script_dirent->d_name); 2827 2828 if (check_ev_match(lang_path, 2829 scripts_array[i], session)) 2830 continue; 2831 2832 i++; 2833 } 2834 closedir(lang_dir); 2835 } 2836 2837 closedir(scripts_dir); 2838 perf_session__delete(session); 2839 return i; 2840 } 2841 2842 static char *get_script_path(const char *script_root, const char *suffix) 2843 { 2844 struct dirent *script_dirent, *lang_dirent; 2845 char scripts_path[MAXPATHLEN]; 2846 char script_path[MAXPATHLEN]; 2847 DIR *scripts_dir, *lang_dir; 2848 char lang_path[MAXPATHLEN]; 2849 char *__script_root; 2850 2851 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 2852 2853 scripts_dir = opendir(scripts_path); 2854 if (!scripts_dir) 2855 return NULL; 2856 2857 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 2858 snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 2859 lang_dirent->d_name); 2860 lang_dir = opendir(lang_path); 2861 if (!lang_dir) 2862 continue; 2863 2864 for_each_script(lang_path, lang_dir, script_dirent) { 2865 __script_root = get_script_root(script_dirent, suffix); 2866 if (__script_root && !strcmp(script_root, __script_root)) { 2867 free(__script_root); 2868 closedir(lang_dir); 2869 closedir(scripts_dir); 2870 snprintf(script_path, MAXPATHLEN, "%s/%s", 2871 lang_path, script_dirent->d_name); 2872 return strdup(script_path); 2873 } 2874 free(__script_root); 2875 } 2876 closedir(lang_dir); 2877 } 2878 closedir(scripts_dir); 2879 2880 return NULL; 2881 } 2882 2883 static bool is_top_script(const char *script_path) 2884 { 2885 return ends_with(script_path, "top") == NULL ? false : true; 2886 } 2887 2888 static int has_required_arg(char *script_path) 2889 { 2890 struct script_desc *desc; 2891 int n_args = 0; 2892 char *p; 2893 2894 desc = script_desc__new(NULL); 2895 2896 if (read_script_info(desc, script_path)) 2897 goto out; 2898 2899 if (!desc->args) 2900 goto out; 2901 2902 for (p = desc->args; *p; p++) 2903 if (*p == '<') 2904 n_args++; 2905 out: 2906 script_desc__delete(desc); 2907 2908 return n_args; 2909 } 2910 2911 static int have_cmd(int argc, const char **argv) 2912 { 2913 char **__argv = malloc(sizeof(const char *) * argc); 2914 2915 if (!__argv) { 2916 pr_err("malloc failed\n"); 2917 return -1; 2918 } 2919 2920 memcpy(__argv, argv, sizeof(const char *) * argc); 2921 argc = parse_options(argc, (const char **)__argv, record_options, 2922 NULL, PARSE_OPT_STOP_AT_NON_OPTION); 2923 free(__argv); 2924 2925 system_wide = (argc == 0); 2926 2927 return 0; 2928 } 2929 2930 static void script__setup_sample_type(struct perf_script *script) 2931 { 2932 struct perf_session *session = script->session; 2933 u64 sample_type = perf_evlist__combined_sample_type(session->evlist); 2934 2935 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) { 2936 if ((sample_type & PERF_SAMPLE_REGS_USER) && 2937 (sample_type & PERF_SAMPLE_STACK_USER)) { 2938 callchain_param.record_mode = CALLCHAIN_DWARF; 2939 dwarf_callchain_users = true; 2940 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK) 2941 callchain_param.record_mode = CALLCHAIN_LBR; 2942 else 2943 callchain_param.record_mode = CALLCHAIN_FP; 2944 } 2945 } 2946 2947 static int process_stat_round_event(struct perf_tool *tool __maybe_unused, 2948 union perf_event *event, 2949 struct perf_session *session) 2950 { 2951 struct stat_round_event *round = &event->stat_round; 2952 struct perf_evsel *counter; 2953 2954 evlist__for_each_entry(session->evlist, counter) { 2955 perf_stat_process_counter(&stat_config, counter); 2956 process_stat(counter, round->time); 2957 } 2958 2959 process_stat_interval(round->time); 2960 return 0; 2961 } 2962 2963 static int process_stat_config_event(struct perf_tool *tool __maybe_unused, 2964 union perf_event *event, 2965 struct perf_session *session __maybe_unused) 2966 { 2967 perf_event__read_stat_config(&stat_config, &event->stat_config); 2968 return 0; 2969 } 2970 2971 static int set_maps(struct perf_script *script) 2972 { 2973 struct perf_evlist *evlist = script->session->evlist; 2974 2975 if (!script->cpus || !script->threads) 2976 return 0; 2977 2978 if (WARN_ONCE(script->allocated, "stats double allocation\n")) 2979 return -EINVAL; 2980 2981 perf_evlist__set_maps(evlist, script->cpus, script->threads); 2982 2983 if (perf_evlist__alloc_stats(evlist, true)) 2984 return -ENOMEM; 2985 2986 script->allocated = true; 2987 return 0; 2988 } 2989 2990 static 2991 int process_thread_map_event(struct perf_tool *tool, 2992 union perf_event *event, 2993 struct perf_session *session __maybe_unused) 2994 { 2995 struct perf_script *script = container_of(tool, struct perf_script, tool); 2996 2997 if (script->threads) { 2998 pr_warning("Extra thread map event, ignoring.\n"); 2999 return 0; 3000 } 3001 3002 script->threads = thread_map__new_event(&event->thread_map); 3003 if (!script->threads) 3004 return -ENOMEM; 3005 3006 return set_maps(script); 3007 } 3008 3009 static 3010 int process_cpu_map_event(struct perf_tool *tool __maybe_unused, 3011 union perf_event *event, 3012 struct perf_session *session __maybe_unused) 3013 { 3014 struct perf_script *script = container_of(tool, struct perf_script, tool); 3015 3016 if (script->cpus) { 3017 pr_warning("Extra cpu map event, ignoring.\n"); 3018 return 0; 3019 } 3020 3021 script->cpus = cpu_map__new_data(&event->cpu_map.data); 3022 if (!script->cpus) 3023 return -ENOMEM; 3024 3025 return set_maps(script); 3026 } 3027 3028 #ifdef HAVE_AUXTRACE_SUPPORT 3029 static int perf_script__process_auxtrace_info(struct perf_tool *tool, 3030 union perf_event *event, 3031 struct perf_session *session) 3032 { 3033 int ret = perf_event__process_auxtrace_info(tool, event, session); 3034 3035 if (ret == 0) { 3036 struct perf_script *script = container_of(tool, struct perf_script, tool); 3037 3038 ret = perf_script__setup_per_event_dump(script); 3039 } 3040 3041 return ret; 3042 } 3043 #else 3044 #define perf_script__process_auxtrace_info 0 3045 #endif 3046 3047 int cmd_script(int argc, const char **argv) 3048 { 3049 bool show_full_info = false; 3050 bool header = false; 3051 bool header_only = false; 3052 bool script_started = false; 3053 char *rec_script_path = NULL; 3054 char *rep_script_path = NULL; 3055 struct perf_session *session; 3056 struct itrace_synth_opts itrace_synth_opts = { .set = false, }; 3057 char *script_path = NULL; 3058 const char **__argv; 3059 int i, j, err = 0; 3060 struct perf_script script = { 3061 .tool = { 3062 .sample = process_sample_event, 3063 .mmap = perf_event__process_mmap, 3064 .mmap2 = perf_event__process_mmap2, 3065 .comm = perf_event__process_comm, 3066 .namespaces = perf_event__process_namespaces, 3067 .exit = perf_event__process_exit, 3068 .fork = perf_event__process_fork, 3069 .attr = process_attr, 3070 .event_update = perf_event__process_event_update, 3071 .tracing_data = perf_event__process_tracing_data, 3072 .feature = perf_event__process_feature, 3073 .build_id = perf_event__process_build_id, 3074 .id_index = perf_event__process_id_index, 3075 .auxtrace_info = perf_script__process_auxtrace_info, 3076 .auxtrace = perf_event__process_auxtrace, 3077 .auxtrace_error = perf_event__process_auxtrace_error, 3078 .stat = perf_event__process_stat_event, 3079 .stat_round = process_stat_round_event, 3080 .stat_config = process_stat_config_event, 3081 .thread_map = process_thread_map_event, 3082 .cpu_map = process_cpu_map_event, 3083 .ordered_events = true, 3084 .ordering_requires_timestamps = true, 3085 }, 3086 }; 3087 struct perf_data data = { 3088 .mode = PERF_DATA_MODE_READ, 3089 }; 3090 const struct option options[] = { 3091 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 3092 "dump raw trace in ASCII"), 3093 OPT_INCR('v', "verbose", &verbose, 3094 "be more verbose (show symbol address, etc)"), 3095 OPT_BOOLEAN('L', "Latency", &latency_format, 3096 "show latency attributes (irqs/preemption disabled, etc)"), 3097 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", 3098 list_available_scripts), 3099 OPT_CALLBACK('s', "script", NULL, "name", 3100 "script file name (lang:script name, script name, or *)", 3101 parse_scriptname), 3102 OPT_STRING('g', "gen-script", &generate_script_lang, "lang", 3103 "generate perf-script.xx script in specified language"), 3104 OPT_STRING('i', "input", &input_name, "file", "input file name"), 3105 OPT_BOOLEAN('d', "debug-mode", &debug_mode, 3106 "do various checks like samples ordering and lost events"), 3107 OPT_BOOLEAN(0, "header", &header, "Show data header."), 3108 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."), 3109 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 3110 "file", "vmlinux pathname"), 3111 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 3112 "file", "kallsyms pathname"), 3113 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, 3114 "When printing symbols do not display call chain"), 3115 OPT_CALLBACK(0, "symfs", NULL, "directory", 3116 "Look for files with symbols relative to this directory", 3117 symbol__config_symfs), 3118 OPT_CALLBACK('F', "fields", NULL, "str", 3119 "comma separated output fields prepend with 'type:'. " 3120 "+field to add and -field to remove." 3121 "Valid types: hw,sw,trace,raw,synth. " 3122 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso," 3123 "addr,symoff,period,iregs,uregs,brstack,brstacksym,flags," 3124 "bpf-output,callindent,insn,insnlen,brstackinsn,synth,phys_addr", 3125 parse_output_fields), 3126 OPT_BOOLEAN('a', "all-cpus", &system_wide, 3127 "system-wide collection from all CPUs"), 3128 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 3129 "only consider these symbols"), 3130 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]", 3131 "Stop display of callgraph at these symbols"), 3132 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), 3133 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 3134 "only display events for these comms"), 3135 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 3136 "only consider symbols in these pids"), 3137 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 3138 "only consider symbols in these tids"), 3139 OPT_UINTEGER(0, "max-stack", &scripting_max_stack, 3140 "Set the maximum stack depth when parsing the callchain, " 3141 "anything beyond the specified depth will be ignored. " 3142 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 3143 OPT_BOOLEAN('I', "show-info", &show_full_info, 3144 "display extended information from perf.data file"), 3145 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, 3146 "Show the path of [kernel.kallsyms]"), 3147 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, 3148 "Show the fork/comm/exit events"), 3149 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, 3150 "Show the mmap events"), 3151 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events, 3152 "Show context switch events (if recorded)"), 3153 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events, 3154 "Show namespace events (if recorded)"), 3155 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events, 3156 "Show lost events (if recorded)"), 3157 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events, 3158 "Show round events (if recorded)"), 3159 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump, 3160 "Dump trace output to files named by the monitored events"), 3161 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 3162 OPT_INTEGER(0, "max-blocks", &max_blocks, 3163 "Maximum number of code blocks to dump with brstackinsn"), 3164 OPT_BOOLEAN(0, "ns", &nanosecs, 3165 "Use 9 decimal places when displaying time"), 3166 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 3167 "Instruction Tracing options", 3168 itrace_parse_synth_opts), 3169 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 3170 "Show full source file name path for source lines"), 3171 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 3172 "Enable symbol demangling"), 3173 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 3174 "Enable kernel symbol demangling"), 3175 OPT_STRING(0, "time", &script.time_str, "str", 3176 "Time span of interest (start,stop)"), 3177 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 3178 "Show inline function"), 3179 OPT_END() 3180 }; 3181 const char * const script_subcommands[] = { "record", "report", NULL }; 3182 const char *script_usage[] = { 3183 "perf script [<options>]", 3184 "perf script [<options>] record <script> [<record-options>] <command>", 3185 "perf script [<options>] report <script> [script-args]", 3186 "perf script [<options>] <script> [<record-options>] <command>", 3187 "perf script [<options>] <top-script> [script-args]", 3188 NULL 3189 }; 3190 3191 perf_set_singlethreaded(); 3192 3193 setup_scripting(); 3194 3195 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage, 3196 PARSE_OPT_STOP_AT_NON_OPTION); 3197 3198 data.file.path = input_name; 3199 data.force = symbol_conf.force; 3200 3201 if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) { 3202 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); 3203 if (!rec_script_path) 3204 return cmd_record(argc, argv); 3205 } 3206 3207 if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) { 3208 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); 3209 if (!rep_script_path) { 3210 fprintf(stderr, 3211 "Please specify a valid report script" 3212 "(see 'perf script -l' for listing)\n"); 3213 return -1; 3214 } 3215 } 3216 3217 if (itrace_synth_opts.callchain && 3218 itrace_synth_opts.callchain_sz > scripting_max_stack) 3219 scripting_max_stack = itrace_synth_opts.callchain_sz; 3220 3221 /* make sure PERF_EXEC_PATH is set for scripts */ 3222 set_argv_exec_path(get_argv_exec_path()); 3223 3224 if (argc && !script_name && !rec_script_path && !rep_script_path) { 3225 int live_pipe[2]; 3226 int rep_args; 3227 pid_t pid; 3228 3229 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); 3230 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); 3231 3232 if (!rec_script_path && !rep_script_path) { 3233 usage_with_options_msg(script_usage, options, 3234 "Couldn't find script `%s'\n\n See perf" 3235 " script -l for available scripts.\n", argv[0]); 3236 } 3237 3238 if (is_top_script(argv[0])) { 3239 rep_args = argc - 1; 3240 } else { 3241 int rec_args; 3242 3243 rep_args = has_required_arg(rep_script_path); 3244 rec_args = (argc - 1) - rep_args; 3245 if (rec_args < 0) { 3246 usage_with_options_msg(script_usage, options, 3247 "`%s' script requires options." 3248 "\n\n See perf script -l for available " 3249 "scripts and options.\n", argv[0]); 3250 } 3251 } 3252 3253 if (pipe(live_pipe) < 0) { 3254 perror("failed to create pipe"); 3255 return -1; 3256 } 3257 3258 pid = fork(); 3259 if (pid < 0) { 3260 perror("failed to fork"); 3261 return -1; 3262 } 3263 3264 if (!pid) { 3265 j = 0; 3266 3267 dup2(live_pipe[1], 1); 3268 close(live_pipe[0]); 3269 3270 if (is_top_script(argv[0])) { 3271 system_wide = true; 3272 } else if (!system_wide) { 3273 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { 3274 err = -1; 3275 goto out; 3276 } 3277 } 3278 3279 __argv = malloc((argc + 6) * sizeof(const char *)); 3280 if (!__argv) { 3281 pr_err("malloc failed\n"); 3282 err = -ENOMEM; 3283 goto out; 3284 } 3285 3286 __argv[j++] = "/bin/sh"; 3287 __argv[j++] = rec_script_path; 3288 if (system_wide) 3289 __argv[j++] = "-a"; 3290 __argv[j++] = "-q"; 3291 __argv[j++] = "-o"; 3292 __argv[j++] = "-"; 3293 for (i = rep_args + 1; i < argc; i++) 3294 __argv[j++] = argv[i]; 3295 __argv[j++] = NULL; 3296 3297 execvp("/bin/sh", (char **)__argv); 3298 free(__argv); 3299 exit(-1); 3300 } 3301 3302 dup2(live_pipe[0], 0); 3303 close(live_pipe[1]); 3304 3305 __argv = malloc((argc + 4) * sizeof(const char *)); 3306 if (!__argv) { 3307 pr_err("malloc failed\n"); 3308 err = -ENOMEM; 3309 goto out; 3310 } 3311 3312 j = 0; 3313 __argv[j++] = "/bin/sh"; 3314 __argv[j++] = rep_script_path; 3315 for (i = 1; i < rep_args + 1; i++) 3316 __argv[j++] = argv[i]; 3317 __argv[j++] = "-i"; 3318 __argv[j++] = "-"; 3319 __argv[j++] = NULL; 3320 3321 execvp("/bin/sh", (char **)__argv); 3322 free(__argv); 3323 exit(-1); 3324 } 3325 3326 if (rec_script_path) 3327 script_path = rec_script_path; 3328 if (rep_script_path) 3329 script_path = rep_script_path; 3330 3331 if (script_path) { 3332 j = 0; 3333 3334 if (!rec_script_path) 3335 system_wide = false; 3336 else if (!system_wide) { 3337 if (have_cmd(argc - 1, &argv[1]) != 0) { 3338 err = -1; 3339 goto out; 3340 } 3341 } 3342 3343 __argv = malloc((argc + 2) * sizeof(const char *)); 3344 if (!__argv) { 3345 pr_err("malloc failed\n"); 3346 err = -ENOMEM; 3347 goto out; 3348 } 3349 3350 __argv[j++] = "/bin/sh"; 3351 __argv[j++] = script_path; 3352 if (system_wide) 3353 __argv[j++] = "-a"; 3354 for (i = 2; i < argc; i++) 3355 __argv[j++] = argv[i]; 3356 __argv[j++] = NULL; 3357 3358 execvp("/bin/sh", (char **)__argv); 3359 free(__argv); 3360 exit(-1); 3361 } 3362 3363 if (!script_name) 3364 setup_pager(); 3365 3366 session = perf_session__new(&data, false, &script.tool); 3367 if (session == NULL) 3368 return -1; 3369 3370 if (header || header_only) { 3371 script.tool.show_feat_hdr = SHOW_FEAT_HEADER; 3372 perf_session__fprintf_info(session, stdout, show_full_info); 3373 if (header_only) 3374 goto out_delete; 3375 } 3376 if (show_full_info) 3377 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 3378 3379 if (symbol__init(&session->header.env) < 0) 3380 goto out_delete; 3381 3382 script.session = session; 3383 script__setup_sample_type(&script); 3384 3385 if (output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) 3386 itrace_synth_opts.thread_stack = true; 3387 3388 session->itrace_synth_opts = &itrace_synth_opts; 3389 3390 if (cpu_list) { 3391 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap); 3392 if (err < 0) 3393 goto out_delete; 3394 itrace_synth_opts.cpu_bitmap = cpu_bitmap; 3395 } 3396 3397 if (!no_callchain) 3398 symbol_conf.use_callchain = true; 3399 else 3400 symbol_conf.use_callchain = false; 3401 3402 if (session->tevent.pevent && 3403 pevent_set_function_resolver(session->tevent.pevent, 3404 machine__resolve_kernel_addr, 3405 &session->machines.host) < 0) { 3406 pr_err("%s: failed to set libtraceevent function resolver\n", __func__); 3407 err = -1; 3408 goto out_delete; 3409 } 3410 3411 if (generate_script_lang) { 3412 struct stat perf_stat; 3413 int input; 3414 3415 if (output_set_by_user()) { 3416 fprintf(stderr, 3417 "custom fields not supported for generated scripts"); 3418 err = -EINVAL; 3419 goto out_delete; 3420 } 3421 3422 input = open(data.file.path, O_RDONLY); /* input_name */ 3423 if (input < 0) { 3424 err = -errno; 3425 perror("failed to open file"); 3426 goto out_delete; 3427 } 3428 3429 err = fstat(input, &perf_stat); 3430 if (err < 0) { 3431 perror("failed to stat file"); 3432 goto out_delete; 3433 } 3434 3435 if (!perf_stat.st_size) { 3436 fprintf(stderr, "zero-sized file, nothing to do!\n"); 3437 goto out_delete; 3438 } 3439 3440 scripting_ops = script_spec__lookup(generate_script_lang); 3441 if (!scripting_ops) { 3442 fprintf(stderr, "invalid language specifier"); 3443 err = -ENOENT; 3444 goto out_delete; 3445 } 3446 3447 err = scripting_ops->generate_script(session->tevent.pevent, 3448 "perf-script"); 3449 goto out_delete; 3450 } 3451 3452 if (script_name) { 3453 err = scripting_ops->start_script(script_name, argc, argv); 3454 if (err) 3455 goto out_delete; 3456 pr_debug("perf script started with script %s\n\n", script_name); 3457 script_started = true; 3458 } 3459 3460 3461 err = perf_session__check_output_opt(session); 3462 if (err < 0) 3463 goto out_delete; 3464 3465 script.ptime_range = perf_time__range_alloc(script.time_str, 3466 &script.range_size); 3467 if (!script.ptime_range) { 3468 err = -ENOMEM; 3469 goto out_delete; 3470 } 3471 3472 /* needs to be parsed after looking up reference time */ 3473 if (perf_time__parse_str(script.ptime_range, script.time_str) != 0) { 3474 if (session->evlist->first_sample_time == 0 && 3475 session->evlist->last_sample_time == 0) { 3476 pr_err("HINT: no first/last sample time found in perf data.\n" 3477 "Please use latest perf binary to execute 'perf record'\n" 3478 "(if '--buildid-all' is enabled, please set '--timestamp-boundary').\n"); 3479 err = -EINVAL; 3480 goto out_delete; 3481 } 3482 3483 script.range_num = perf_time__percent_parse_str( 3484 script.ptime_range, script.range_size, 3485 script.time_str, 3486 session->evlist->first_sample_time, 3487 session->evlist->last_sample_time); 3488 3489 if (script.range_num < 0) { 3490 pr_err("Invalid time string\n"); 3491 err = -EINVAL; 3492 goto out_delete; 3493 } 3494 } else { 3495 script.range_num = 1; 3496 } 3497 3498 err = __cmd_script(&script); 3499 3500 flush_scripting(); 3501 3502 out_delete: 3503 zfree(&script.ptime_range); 3504 3505 perf_evlist__free_stats(session->evlist); 3506 perf_session__delete(session); 3507 3508 if (script_started) 3509 cleanup_scripting(); 3510 out: 3511 return err; 3512 } 3513