1 // SPDX-License-Identifier: GPL-2.0 2 #include "builtin.h" 3 4 #include "perf.h" 5 #include "util/cache.h" 6 #include "util/debug.h" 7 #include <subcmd/exec-cmd.h> 8 #include "util/header.h" 9 #include <subcmd/parse-options.h> 10 #include "util/perf_regs.h" 11 #include "util/session.h" 12 #include "util/tool.h" 13 #include "util/symbol.h" 14 #include "util/thread.h" 15 #include "util/trace-event.h" 16 #include "util/util.h" 17 #include "util/evlist.h" 18 #include "util/evsel.h" 19 #include "util/sort.h" 20 #include "util/data.h" 21 #include "util/auxtrace.h" 22 #include "util/cpumap.h" 23 #include "util/thread_map.h" 24 #include "util/stat.h" 25 #include "util/color.h" 26 #include "util/string2.h" 27 #include "util/thread-stack.h" 28 #include "util/time-utils.h" 29 #include "util/path.h" 30 #include "print_binary.h" 31 #include <linux/bitmap.h> 32 #include <linux/kernel.h> 33 #include <linux/stringify.h> 34 #include <linux/time64.h> 35 #include "asm/bug.h" 36 #include "util/mem-events.h" 37 #include "util/dump-insn.h" 38 #include <dirent.h> 39 #include <errno.h> 40 #include <inttypes.h> 41 #include <signal.h> 42 #include <sys/param.h> 43 #include <sys/types.h> 44 #include <sys/stat.h> 45 #include <fcntl.h> 46 #include <unistd.h> 47 48 #include "sane_ctype.h" 49 50 static char const *script_name; 51 static char const *generate_script_lang; 52 static bool debug_mode; 53 static u64 last_timestamp; 54 static u64 nr_unordered; 55 static bool no_callchain; 56 static bool latency_format; 57 static bool system_wide; 58 static bool print_flags; 59 static bool nanosecs; 60 static const char *cpu_list; 61 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); 62 static struct perf_stat_config stat_config; 63 static int max_blocks; 64 65 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH; 66 67 enum perf_output_field { 68 PERF_OUTPUT_COMM = 1U << 0, 69 PERF_OUTPUT_TID = 1U << 1, 70 PERF_OUTPUT_PID = 1U << 2, 71 PERF_OUTPUT_TIME = 1U << 3, 72 PERF_OUTPUT_CPU = 1U << 4, 73 PERF_OUTPUT_EVNAME = 1U << 5, 74 PERF_OUTPUT_TRACE = 1U << 6, 75 PERF_OUTPUT_IP = 1U << 7, 76 PERF_OUTPUT_SYM = 1U << 8, 77 PERF_OUTPUT_DSO = 1U << 9, 78 PERF_OUTPUT_ADDR = 1U << 10, 79 PERF_OUTPUT_SYMOFFSET = 1U << 11, 80 PERF_OUTPUT_SRCLINE = 1U << 12, 81 PERF_OUTPUT_PERIOD = 1U << 13, 82 PERF_OUTPUT_IREGS = 1U << 14, 83 PERF_OUTPUT_BRSTACK = 1U << 15, 84 PERF_OUTPUT_BRSTACKSYM = 1U << 16, 85 PERF_OUTPUT_DATA_SRC = 1U << 17, 86 PERF_OUTPUT_WEIGHT = 1U << 18, 87 PERF_OUTPUT_BPF_OUTPUT = 1U << 19, 88 PERF_OUTPUT_CALLINDENT = 1U << 20, 89 PERF_OUTPUT_INSN = 1U << 21, 90 PERF_OUTPUT_INSNLEN = 1U << 22, 91 PERF_OUTPUT_BRSTACKINSN = 1U << 23, 92 PERF_OUTPUT_BRSTACKOFF = 1U << 24, 93 PERF_OUTPUT_SYNTH = 1U << 25, 94 PERF_OUTPUT_PHYS_ADDR = 1U << 26, 95 PERF_OUTPUT_UREGS = 1U << 27, 96 PERF_OUTPUT_METRIC = 1U << 28, 97 PERF_OUTPUT_MISC = 1U << 29, 98 }; 99 100 struct output_option { 101 const char *str; 102 enum perf_output_field field; 103 } all_output_options[] = { 104 {.str = "comm", .field = PERF_OUTPUT_COMM}, 105 {.str = "tid", .field = PERF_OUTPUT_TID}, 106 {.str = "pid", .field = PERF_OUTPUT_PID}, 107 {.str = "time", .field = PERF_OUTPUT_TIME}, 108 {.str = "cpu", .field = PERF_OUTPUT_CPU}, 109 {.str = "event", .field = PERF_OUTPUT_EVNAME}, 110 {.str = "trace", .field = PERF_OUTPUT_TRACE}, 111 {.str = "ip", .field = PERF_OUTPUT_IP}, 112 {.str = "sym", .field = PERF_OUTPUT_SYM}, 113 {.str = "dso", .field = PERF_OUTPUT_DSO}, 114 {.str = "addr", .field = PERF_OUTPUT_ADDR}, 115 {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET}, 116 {.str = "srcline", .field = PERF_OUTPUT_SRCLINE}, 117 {.str = "period", .field = PERF_OUTPUT_PERIOD}, 118 {.str = "iregs", .field = PERF_OUTPUT_IREGS}, 119 {.str = "uregs", .field = PERF_OUTPUT_UREGS}, 120 {.str = "brstack", .field = PERF_OUTPUT_BRSTACK}, 121 {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM}, 122 {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC}, 123 {.str = "weight", .field = PERF_OUTPUT_WEIGHT}, 124 {.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT}, 125 {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT}, 126 {.str = "insn", .field = PERF_OUTPUT_INSN}, 127 {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN}, 128 {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN}, 129 {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF}, 130 {.str = "synth", .field = PERF_OUTPUT_SYNTH}, 131 {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR}, 132 {.str = "metric", .field = PERF_OUTPUT_METRIC}, 133 {.str = "misc", .field = PERF_OUTPUT_MISC}, 134 }; 135 136 enum { 137 OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX, 138 OUTPUT_TYPE_MAX 139 }; 140 141 /* default set to maintain compatibility with current format */ 142 static struct { 143 bool user_set; 144 bool wildcard_set; 145 unsigned int print_ip_opts; 146 u64 fields; 147 u64 invalid_fields; 148 } output[OUTPUT_TYPE_MAX] = { 149 150 [PERF_TYPE_HARDWARE] = { 151 .user_set = false, 152 153 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 154 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 155 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 156 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO | 157 PERF_OUTPUT_PERIOD, 158 159 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 160 }, 161 162 [PERF_TYPE_SOFTWARE] = { 163 .user_set = false, 164 165 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 166 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 167 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 168 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO | 169 PERF_OUTPUT_PERIOD | PERF_OUTPUT_BPF_OUTPUT, 170 171 .invalid_fields = PERF_OUTPUT_TRACE, 172 }, 173 174 [PERF_TYPE_TRACEPOINT] = { 175 .user_set = false, 176 177 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 178 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 179 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE 180 }, 181 182 [PERF_TYPE_RAW] = { 183 .user_set = false, 184 185 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 186 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 187 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 188 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO | 189 PERF_OUTPUT_PERIOD | PERF_OUTPUT_ADDR | 190 PERF_OUTPUT_DATA_SRC | PERF_OUTPUT_WEIGHT | 191 PERF_OUTPUT_PHYS_ADDR, 192 193 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 194 }, 195 196 [PERF_TYPE_BREAKPOINT] = { 197 .user_set = false, 198 199 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 200 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 201 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 202 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO | 203 PERF_OUTPUT_PERIOD, 204 205 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 206 }, 207 208 [OUTPUT_TYPE_SYNTH] = { 209 .user_set = false, 210 211 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 212 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 213 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 214 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO | 215 PERF_OUTPUT_SYNTH, 216 217 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 218 }, 219 }; 220 221 struct perf_evsel_script { 222 char *filename; 223 FILE *fp; 224 u64 samples; 225 /* For metric output */ 226 u64 val; 227 int gnum; 228 }; 229 230 static inline struct perf_evsel_script *evsel_script(struct perf_evsel *evsel) 231 { 232 return (struct perf_evsel_script *)evsel->priv; 233 } 234 235 static struct perf_evsel_script *perf_evsel_script__new(struct perf_evsel *evsel, 236 struct perf_data *data) 237 { 238 struct perf_evsel_script *es = zalloc(sizeof(*es)); 239 240 if (es != NULL) { 241 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, perf_evsel__name(evsel)) < 0) 242 goto out_free; 243 es->fp = fopen(es->filename, "w"); 244 if (es->fp == NULL) 245 goto out_free_filename; 246 } 247 248 return es; 249 out_free_filename: 250 zfree(&es->filename); 251 out_free: 252 free(es); 253 return NULL; 254 } 255 256 static void perf_evsel_script__delete(struct perf_evsel_script *es) 257 { 258 zfree(&es->filename); 259 fclose(es->fp); 260 es->fp = NULL; 261 free(es); 262 } 263 264 static int perf_evsel_script__fprintf(struct perf_evsel_script *es, FILE *fp) 265 { 266 struct stat st; 267 268 fstat(fileno(es->fp), &st); 269 return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n", 270 st.st_size / 1024.0 / 1024.0, es->filename, es->samples); 271 } 272 273 static inline int output_type(unsigned int type) 274 { 275 switch (type) { 276 case PERF_TYPE_SYNTH: 277 return OUTPUT_TYPE_SYNTH; 278 default: 279 return type; 280 } 281 } 282 283 static inline unsigned int attr_type(unsigned int type) 284 { 285 switch (type) { 286 case OUTPUT_TYPE_SYNTH: 287 return PERF_TYPE_SYNTH; 288 default: 289 return type; 290 } 291 } 292 293 static bool output_set_by_user(void) 294 { 295 int j; 296 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 297 if (output[j].user_set) 298 return true; 299 } 300 return false; 301 } 302 303 static const char *output_field2str(enum perf_output_field field) 304 { 305 int i, imax = ARRAY_SIZE(all_output_options); 306 const char *str = ""; 307 308 for (i = 0; i < imax; ++i) { 309 if (all_output_options[i].field == field) { 310 str = all_output_options[i].str; 311 break; 312 } 313 } 314 return str; 315 } 316 317 #define PRINT_FIELD(x) (output[output_type(attr->type)].fields & PERF_OUTPUT_##x) 318 319 static int perf_evsel__do_check_stype(struct perf_evsel *evsel, 320 u64 sample_type, const char *sample_msg, 321 enum perf_output_field field, 322 bool allow_user_set) 323 { 324 struct perf_event_attr *attr = &evsel->attr; 325 int type = output_type(attr->type); 326 const char *evname; 327 328 if (attr->sample_type & sample_type) 329 return 0; 330 331 if (output[type].user_set) { 332 if (allow_user_set) 333 return 0; 334 evname = perf_evsel__name(evsel); 335 pr_err("Samples for '%s' event do not have %s attribute set. " 336 "Cannot print '%s' field.\n", 337 evname, sample_msg, output_field2str(field)); 338 return -1; 339 } 340 341 /* user did not ask for it explicitly so remove from the default list */ 342 output[type].fields &= ~field; 343 evname = perf_evsel__name(evsel); 344 pr_debug("Samples for '%s' event do not have %s attribute set. " 345 "Skipping '%s' field.\n", 346 evname, sample_msg, output_field2str(field)); 347 348 return 0; 349 } 350 351 static int perf_evsel__check_stype(struct perf_evsel *evsel, 352 u64 sample_type, const char *sample_msg, 353 enum perf_output_field field) 354 { 355 return perf_evsel__do_check_stype(evsel, sample_type, sample_msg, field, 356 false); 357 } 358 359 static int perf_evsel__check_attr(struct perf_evsel *evsel, 360 struct perf_session *session) 361 { 362 struct perf_event_attr *attr = &evsel->attr; 363 bool allow_user_set; 364 365 if (perf_header__has_feat(&session->header, HEADER_STAT)) 366 return 0; 367 368 allow_user_set = perf_header__has_feat(&session->header, 369 HEADER_AUXTRACE); 370 371 if (PRINT_FIELD(TRACE) && 372 !perf_session__has_traces(session, "record -R")) 373 return -EINVAL; 374 375 if (PRINT_FIELD(IP)) { 376 if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", 377 PERF_OUTPUT_IP)) 378 return -EINVAL; 379 } 380 381 if (PRINT_FIELD(ADDR) && 382 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", 383 PERF_OUTPUT_ADDR, allow_user_set)) 384 return -EINVAL; 385 386 if (PRINT_FIELD(DATA_SRC) && 387 perf_evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", 388 PERF_OUTPUT_DATA_SRC)) 389 return -EINVAL; 390 391 if (PRINT_FIELD(WEIGHT) && 392 perf_evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT", 393 PERF_OUTPUT_WEIGHT)) 394 return -EINVAL; 395 396 if (PRINT_FIELD(SYM) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) { 397 pr_err("Display of symbols requested but neither sample IP nor " 398 "sample address\nis selected. Hence, no addresses to convert " 399 "to symbols.\n"); 400 return -EINVAL; 401 } 402 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) { 403 pr_err("Display of offsets requested but symbol is not" 404 "selected.\n"); 405 return -EINVAL; 406 } 407 if (PRINT_FIELD(DSO) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR) && 408 !PRINT_FIELD(BRSTACK) && !PRINT_FIELD(BRSTACKSYM) && !PRINT_FIELD(BRSTACKOFF)) { 409 pr_err("Display of DSO requested but no address to convert. Select\n" 410 "sample IP, sample address, brstack, brstacksym, or brstackoff.\n"); 411 return -EINVAL; 412 } 413 if (PRINT_FIELD(SRCLINE) && !PRINT_FIELD(IP)) { 414 pr_err("Display of source line number requested but sample IP is not\n" 415 "selected. Hence, no address to lookup the source line number.\n"); 416 return -EINVAL; 417 } 418 if (PRINT_FIELD(BRSTACKINSN) && 419 !(perf_evlist__combined_branch_type(session->evlist) & 420 PERF_SAMPLE_BRANCH_ANY)) { 421 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n" 422 "Hint: run 'perf record -b ...'\n"); 423 return -EINVAL; 424 } 425 if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) && 426 perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", 427 PERF_OUTPUT_TID|PERF_OUTPUT_PID)) 428 return -EINVAL; 429 430 if (PRINT_FIELD(TIME) && 431 perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", 432 PERF_OUTPUT_TIME)) 433 return -EINVAL; 434 435 if (PRINT_FIELD(CPU) && 436 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", 437 PERF_OUTPUT_CPU, allow_user_set)) 438 return -EINVAL; 439 440 if (PRINT_FIELD(IREGS) && 441 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", 442 PERF_OUTPUT_IREGS)) 443 return -EINVAL; 444 445 if (PRINT_FIELD(UREGS) && 446 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", 447 PERF_OUTPUT_UREGS)) 448 return -EINVAL; 449 450 if (PRINT_FIELD(PHYS_ADDR) && 451 perf_evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", 452 PERF_OUTPUT_PHYS_ADDR)) 453 return -EINVAL; 454 455 return 0; 456 } 457 458 static void set_print_ip_opts(struct perf_event_attr *attr) 459 { 460 unsigned int type = output_type(attr->type); 461 462 output[type].print_ip_opts = 0; 463 if (PRINT_FIELD(IP)) 464 output[type].print_ip_opts |= EVSEL__PRINT_IP; 465 466 if (PRINT_FIELD(SYM)) 467 output[type].print_ip_opts |= EVSEL__PRINT_SYM; 468 469 if (PRINT_FIELD(DSO)) 470 output[type].print_ip_opts |= EVSEL__PRINT_DSO; 471 472 if (PRINT_FIELD(SYMOFFSET)) 473 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET; 474 475 if (PRINT_FIELD(SRCLINE)) 476 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE; 477 } 478 479 /* 480 * verify all user requested events exist and the samples 481 * have the expected data 482 */ 483 static int perf_session__check_output_opt(struct perf_session *session) 484 { 485 unsigned int j; 486 struct perf_evsel *evsel; 487 488 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 489 evsel = perf_session__find_first_evtype(session, attr_type(j)); 490 491 /* 492 * even if fields is set to 0 (ie., show nothing) event must 493 * exist if user explicitly includes it on the command line 494 */ 495 if (!evsel && output[j].user_set && !output[j].wildcard_set && 496 j != OUTPUT_TYPE_SYNTH) { 497 pr_err("%s events do not exist. " 498 "Remove corresponding -F option to proceed.\n", 499 event_type(j)); 500 return -1; 501 } 502 503 if (evsel && output[j].fields && 504 perf_evsel__check_attr(evsel, session)) 505 return -1; 506 507 if (evsel == NULL) 508 continue; 509 510 set_print_ip_opts(&evsel->attr); 511 } 512 513 if (!no_callchain) { 514 bool use_callchain = false; 515 bool not_pipe = false; 516 517 evlist__for_each_entry(session->evlist, evsel) { 518 not_pipe = true; 519 if (evsel->attr.sample_type & PERF_SAMPLE_CALLCHAIN) { 520 use_callchain = true; 521 break; 522 } 523 } 524 if (not_pipe && !use_callchain) 525 symbol_conf.use_callchain = false; 526 } 527 528 /* 529 * set default for tracepoints to print symbols only 530 * if callchains are present 531 */ 532 if (symbol_conf.use_callchain && 533 !output[PERF_TYPE_TRACEPOINT].user_set) { 534 struct perf_event_attr *attr; 535 536 j = PERF_TYPE_TRACEPOINT; 537 538 evlist__for_each_entry(session->evlist, evsel) { 539 if (evsel->attr.type != j) 540 continue; 541 542 attr = &evsel->attr; 543 544 if (attr->sample_type & PERF_SAMPLE_CALLCHAIN) { 545 output[j].fields |= PERF_OUTPUT_IP; 546 output[j].fields |= PERF_OUTPUT_SYM; 547 output[j].fields |= PERF_OUTPUT_DSO; 548 set_print_ip_opts(attr); 549 goto out; 550 } 551 } 552 } 553 554 out: 555 return 0; 556 } 557 558 static int perf_sample__fprintf_iregs(struct perf_sample *sample, 559 struct perf_event_attr *attr, FILE *fp) 560 { 561 struct regs_dump *regs = &sample->intr_regs; 562 uint64_t mask = attr->sample_regs_intr; 563 unsigned i = 0, r; 564 int printed = 0; 565 566 if (!regs) 567 return 0; 568 569 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) { 570 u64 val = regs->regs[i++]; 571 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val); 572 } 573 574 return printed; 575 } 576 577 static int perf_sample__fprintf_uregs(struct perf_sample *sample, 578 struct perf_event_attr *attr, FILE *fp) 579 { 580 struct regs_dump *regs = &sample->user_regs; 581 uint64_t mask = attr->sample_regs_user; 582 unsigned i = 0, r; 583 int printed = 0; 584 585 if (!regs || !regs->regs) 586 return 0; 587 588 printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi); 589 590 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) { 591 u64 val = regs->regs[i++]; 592 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val); 593 } 594 595 return printed; 596 } 597 598 static int perf_sample__fprintf_start(struct perf_sample *sample, 599 struct thread *thread, 600 struct perf_evsel *evsel, 601 u32 type, FILE *fp) 602 { 603 struct perf_event_attr *attr = &evsel->attr; 604 unsigned long secs; 605 unsigned long long nsecs; 606 int printed = 0; 607 608 if (PRINT_FIELD(COMM)) { 609 if (latency_format) 610 printed += fprintf(fp, "%8.8s ", thread__comm_str(thread)); 611 else if (PRINT_FIELD(IP) && symbol_conf.use_callchain) 612 printed += fprintf(fp, "%s ", thread__comm_str(thread)); 613 else 614 printed += fprintf(fp, "%16s ", thread__comm_str(thread)); 615 } 616 617 if (PRINT_FIELD(PID) && PRINT_FIELD(TID)) 618 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid); 619 else if (PRINT_FIELD(PID)) 620 printed += fprintf(fp, "%5d ", sample->pid); 621 else if (PRINT_FIELD(TID)) 622 printed += fprintf(fp, "%5d ", sample->tid); 623 624 if (PRINT_FIELD(CPU)) { 625 if (latency_format) 626 printed += fprintf(fp, "%3d ", sample->cpu); 627 else 628 printed += fprintf(fp, "[%03d] ", sample->cpu); 629 } 630 631 if (PRINT_FIELD(MISC)) { 632 int ret = 0; 633 634 #define has(m) \ 635 (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m 636 637 if (has(KERNEL)) 638 ret += fprintf(fp, "K"); 639 if (has(USER)) 640 ret += fprintf(fp, "U"); 641 if (has(HYPERVISOR)) 642 ret += fprintf(fp, "H"); 643 if (has(GUEST_KERNEL)) 644 ret += fprintf(fp, "G"); 645 if (has(GUEST_USER)) 646 ret += fprintf(fp, "g"); 647 648 switch (type) { 649 case PERF_RECORD_MMAP: 650 case PERF_RECORD_MMAP2: 651 if (has(MMAP_DATA)) 652 ret += fprintf(fp, "M"); 653 break; 654 case PERF_RECORD_COMM: 655 if (has(COMM_EXEC)) 656 ret += fprintf(fp, "E"); 657 break; 658 case PERF_RECORD_SWITCH: 659 case PERF_RECORD_SWITCH_CPU_WIDE: 660 if (has(SWITCH_OUT)) { 661 ret += fprintf(fp, "S"); 662 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT) 663 ret += fprintf(fp, "p"); 664 } 665 default: 666 break; 667 } 668 669 #undef has 670 671 ret += fprintf(fp, "%*s", 6 - ret, " "); 672 printed += ret; 673 } 674 675 if (PRINT_FIELD(TIME)) { 676 nsecs = sample->time; 677 secs = nsecs / NSEC_PER_SEC; 678 nsecs -= secs * NSEC_PER_SEC; 679 680 if (nanosecs) 681 printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs); 682 else { 683 char sample_time[32]; 684 timestamp__scnprintf_usec(sample->time, sample_time, sizeof(sample_time)); 685 printed += fprintf(fp, "%12s: ", sample_time); 686 } 687 } 688 689 return printed; 690 } 691 692 static inline char 693 mispred_str(struct branch_entry *br) 694 { 695 if (!(br->flags.mispred || br->flags.predicted)) 696 return '-'; 697 698 return br->flags.predicted ? 'P' : 'M'; 699 } 700 701 static int perf_sample__fprintf_brstack(struct perf_sample *sample, 702 struct thread *thread, 703 struct perf_event_attr *attr, FILE *fp) 704 { 705 struct branch_stack *br = sample->branch_stack; 706 struct addr_location alf, alt; 707 u64 i, from, to; 708 int printed = 0; 709 710 if (!(br && br->nr)) 711 return 0; 712 713 for (i = 0; i < br->nr; i++) { 714 from = br->entries[i].from; 715 to = br->entries[i].to; 716 717 if (PRINT_FIELD(DSO)) { 718 memset(&alf, 0, sizeof(alf)); 719 memset(&alt, 0, sizeof(alt)); 720 thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, from, &alf); 721 thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, to, &alt); 722 } 723 724 printed += fprintf(fp, " 0x%"PRIx64, from); 725 if (PRINT_FIELD(DSO)) { 726 printed += fprintf(fp, "("); 727 printed += map__fprintf_dsoname(alf.map, fp); 728 printed += fprintf(fp, ")"); 729 } 730 731 printed += fprintf(fp, "/0x%"PRIx64, to); 732 if (PRINT_FIELD(DSO)) { 733 printed += fprintf(fp, "("); 734 printed += map__fprintf_dsoname(alt.map, fp); 735 printed += fprintf(fp, ")"); 736 } 737 738 printed += fprintf(fp, "/%c/%c/%c/%d ", 739 mispred_str( br->entries + i), 740 br->entries[i].flags.in_tx? 'X' : '-', 741 br->entries[i].flags.abort? 'A' : '-', 742 br->entries[i].flags.cycles); 743 } 744 745 return printed; 746 } 747 748 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample, 749 struct thread *thread, 750 struct perf_event_attr *attr, FILE *fp) 751 { 752 struct branch_stack *br = sample->branch_stack; 753 struct addr_location alf, alt; 754 u64 i, from, to; 755 int printed = 0; 756 757 if (!(br && br->nr)) 758 return 0; 759 760 for (i = 0; i < br->nr; i++) { 761 762 memset(&alf, 0, sizeof(alf)); 763 memset(&alt, 0, sizeof(alt)); 764 from = br->entries[i].from; 765 to = br->entries[i].to; 766 767 thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, from, &alf); 768 if (alf.map) 769 alf.sym = map__find_symbol(alf.map, alf.addr); 770 771 thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, to, &alt); 772 if (alt.map) 773 alt.sym = map__find_symbol(alt.map, alt.addr); 774 775 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp); 776 if (PRINT_FIELD(DSO)) { 777 printed += fprintf(fp, "("); 778 printed += map__fprintf_dsoname(alf.map, fp); 779 printed += fprintf(fp, ")"); 780 } 781 printed += fprintf(fp, "%c", '/'); 782 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp); 783 if (PRINT_FIELD(DSO)) { 784 printed += fprintf(fp, "("); 785 printed += map__fprintf_dsoname(alt.map, fp); 786 printed += fprintf(fp, ")"); 787 } 788 printed += fprintf(fp, "/%c/%c/%c/%d ", 789 mispred_str( br->entries + i), 790 br->entries[i].flags.in_tx? 'X' : '-', 791 br->entries[i].flags.abort? 'A' : '-', 792 br->entries[i].flags.cycles); 793 } 794 795 return printed; 796 } 797 798 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample, 799 struct thread *thread, 800 struct perf_event_attr *attr, FILE *fp) 801 { 802 struct branch_stack *br = sample->branch_stack; 803 struct addr_location alf, alt; 804 u64 i, from, to; 805 int printed = 0; 806 807 if (!(br && br->nr)) 808 return 0; 809 810 for (i = 0; i < br->nr; i++) { 811 812 memset(&alf, 0, sizeof(alf)); 813 memset(&alt, 0, sizeof(alt)); 814 from = br->entries[i].from; 815 to = br->entries[i].to; 816 817 thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, from, &alf); 818 if (alf.map && !alf.map->dso->adjust_symbols) 819 from = map__map_ip(alf.map, from); 820 821 thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, to, &alt); 822 if (alt.map && !alt.map->dso->adjust_symbols) 823 to = map__map_ip(alt.map, to); 824 825 printed += fprintf(fp, " 0x%"PRIx64, from); 826 if (PRINT_FIELD(DSO)) { 827 printed += fprintf(fp, "("); 828 printed += map__fprintf_dsoname(alf.map, fp); 829 printed += fprintf(fp, ")"); 830 } 831 printed += fprintf(fp, "/0x%"PRIx64, to); 832 if (PRINT_FIELD(DSO)) { 833 printed += fprintf(fp, "("); 834 printed += map__fprintf_dsoname(alt.map, fp); 835 printed += fprintf(fp, ")"); 836 } 837 printed += fprintf(fp, "/%c/%c/%c/%d ", 838 mispred_str(br->entries + i), 839 br->entries[i].flags.in_tx ? 'X' : '-', 840 br->entries[i].flags.abort ? 'A' : '-', 841 br->entries[i].flags.cycles); 842 } 843 844 return printed; 845 } 846 #define MAXBB 16384UL 847 848 static int grab_bb(u8 *buffer, u64 start, u64 end, 849 struct machine *machine, struct thread *thread, 850 bool *is64bit, u8 *cpumode, bool last) 851 { 852 long offset, len; 853 struct addr_location al; 854 bool kernel; 855 856 if (!start || !end) 857 return 0; 858 859 kernel = machine__kernel_ip(machine, start); 860 if (kernel) 861 *cpumode = PERF_RECORD_MISC_KERNEL; 862 else 863 *cpumode = PERF_RECORD_MISC_USER; 864 865 /* 866 * Block overlaps between kernel and user. 867 * This can happen due to ring filtering 868 * On Intel CPUs the entry into the kernel is filtered, 869 * but the exit is not. Let the caller patch it up. 870 */ 871 if (kernel != machine__kernel_ip(machine, end)) { 872 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end); 873 return -ENXIO; 874 } 875 876 memset(&al, 0, sizeof(al)); 877 if (end - start > MAXBB - MAXINSN) { 878 if (last) 879 pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end); 880 else 881 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start); 882 return 0; 883 } 884 885 thread__find_addr_map(thread, *cpumode, MAP__FUNCTION, start, &al); 886 if (!al.map || !al.map->dso) { 887 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 888 return 0; 889 } 890 if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) { 891 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 892 return 0; 893 } 894 895 /* Load maps to ensure dso->is_64_bit has been updated */ 896 map__load(al.map); 897 898 offset = al.map->map_ip(al.map, start); 899 len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer, 900 end - start + MAXINSN); 901 902 *is64bit = al.map->dso->is_64_bit; 903 if (len <= 0) 904 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n", 905 start, end); 906 return len; 907 } 908 909 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en, 910 struct perf_insn *x, u8 *inbuf, int len, 911 int insn, FILE *fp) 912 { 913 int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip, 914 dump_insn(x, ip, inbuf, len, NULL), 915 en->flags.predicted ? " PRED" : "", 916 en->flags.mispred ? " MISPRED" : "", 917 en->flags.in_tx ? " INTX" : "", 918 en->flags.abort ? " ABORT" : ""); 919 if (en->flags.cycles) { 920 printed += fprintf(fp, " %d cycles", en->flags.cycles); 921 if (insn) 922 printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles); 923 } 924 return printed + fprintf(fp, "\n"); 925 } 926 927 static int ip__fprintf_sym(uint64_t addr, struct thread *thread, 928 u8 cpumode, int cpu, struct symbol **lastsym, 929 struct perf_event_attr *attr, FILE *fp) 930 { 931 struct addr_location al; 932 int off, printed = 0; 933 934 memset(&al, 0, sizeof(al)); 935 936 thread__find_addr_map(thread, cpumode, MAP__FUNCTION, addr, &al); 937 if (!al.map) 938 thread__find_addr_map(thread, cpumode, MAP__VARIABLE, 939 addr, &al); 940 if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end) 941 return 0; 942 943 al.cpu = cpu; 944 al.sym = NULL; 945 if (al.map) 946 al.sym = map__find_symbol(al.map, al.addr); 947 948 if (!al.sym) 949 return 0; 950 951 if (al.addr < al.sym->end) 952 off = al.addr - al.sym->start; 953 else 954 off = al.addr - al.map->start - al.sym->start; 955 printed += fprintf(fp, "\t%s", al.sym->name); 956 if (off) 957 printed += fprintf(fp, "%+d", off); 958 printed += fprintf(fp, ":"); 959 if (PRINT_FIELD(SRCLINE)) 960 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp); 961 printed += fprintf(fp, "\n"); 962 *lastsym = al.sym; 963 964 return printed; 965 } 966 967 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample, 968 struct thread *thread, 969 struct perf_event_attr *attr, 970 struct machine *machine, FILE *fp) 971 { 972 struct branch_stack *br = sample->branch_stack; 973 u64 start, end; 974 int i, insn, len, nr, ilen, printed = 0; 975 struct perf_insn x; 976 u8 buffer[MAXBB]; 977 unsigned off; 978 struct symbol *lastsym = NULL; 979 980 if (!(br && br->nr)) 981 return 0; 982 nr = br->nr; 983 if (max_blocks && nr > max_blocks + 1) 984 nr = max_blocks + 1; 985 986 x.thread = thread; 987 x.cpu = sample->cpu; 988 989 printed += fprintf(fp, "%c", '\n'); 990 991 /* Handle first from jump, of which we don't know the entry. */ 992 len = grab_bb(buffer, br->entries[nr-1].from, 993 br->entries[nr-1].from, 994 machine, thread, &x.is64bit, &x.cpumode, false); 995 if (len > 0) { 996 printed += ip__fprintf_sym(br->entries[nr - 1].from, thread, 997 x.cpumode, x.cpu, &lastsym, attr, fp); 998 printed += ip__fprintf_jump(br->entries[nr - 1].from, &br->entries[nr - 1], 999 &x, buffer, len, 0, fp); 1000 } 1001 1002 /* Print all blocks */ 1003 for (i = nr - 2; i >= 0; i--) { 1004 if (br->entries[i].from || br->entries[i].to) 1005 pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i, 1006 br->entries[i].from, 1007 br->entries[i].to); 1008 start = br->entries[i + 1].to; 1009 end = br->entries[i].from; 1010 1011 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1012 /* Patch up missing kernel transfers due to ring filters */ 1013 if (len == -ENXIO && i > 0) { 1014 end = br->entries[--i].from; 1015 pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end); 1016 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1017 } 1018 if (len <= 0) 1019 continue; 1020 1021 insn = 0; 1022 for (off = 0;; off += ilen) { 1023 uint64_t ip = start + off; 1024 1025 printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1026 if (ip == end) { 1027 printed += ip__fprintf_jump(ip, &br->entries[i], &x, buffer + off, len - off, insn, fp); 1028 break; 1029 } else { 1030 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip, 1031 dump_insn(&x, ip, buffer + off, len - off, &ilen)); 1032 if (ilen == 0) 1033 break; 1034 insn++; 1035 } 1036 } 1037 } 1038 1039 /* 1040 * Hit the branch? In this case we are already done, and the target 1041 * has not been executed yet. 1042 */ 1043 if (br->entries[0].from == sample->ip) 1044 goto out; 1045 if (br->entries[0].flags.abort) 1046 goto out; 1047 1048 /* 1049 * Print final block upto sample 1050 */ 1051 start = br->entries[0].to; 1052 end = sample->ip; 1053 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true); 1054 printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1055 if (len <= 0) { 1056 /* Print at least last IP if basic block did not work */ 1057 len = grab_bb(buffer, sample->ip, sample->ip, 1058 machine, thread, &x.is64bit, &x.cpumode, false); 1059 if (len <= 0) 1060 goto out; 1061 1062 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip, 1063 dump_insn(&x, sample->ip, buffer, len, NULL)); 1064 goto out; 1065 } 1066 for (off = 0; off <= end - start; off += ilen) { 1067 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off, 1068 dump_insn(&x, start + off, buffer + off, len - off, &ilen)); 1069 if (ilen == 0) 1070 break; 1071 } 1072 out: 1073 return printed; 1074 } 1075 1076 static int perf_sample__fprintf_addr(struct perf_sample *sample, 1077 struct thread *thread, 1078 struct perf_event_attr *attr, FILE *fp) 1079 { 1080 struct addr_location al; 1081 int printed = fprintf(fp, "%16" PRIx64, sample->addr); 1082 1083 if (!sample_addr_correlates_sym(attr)) 1084 goto out; 1085 1086 thread__resolve(thread, &al, sample); 1087 1088 if (PRINT_FIELD(SYM)) { 1089 printed += fprintf(fp, " "); 1090 if (PRINT_FIELD(SYMOFFSET)) 1091 printed += symbol__fprintf_symname_offs(al.sym, &al, fp); 1092 else 1093 printed += symbol__fprintf_symname(al.sym, fp); 1094 } 1095 1096 if (PRINT_FIELD(DSO)) { 1097 printed += fprintf(fp, " ("); 1098 printed += map__fprintf_dsoname(al.map, fp); 1099 printed += fprintf(fp, ")"); 1100 } 1101 out: 1102 return printed; 1103 } 1104 1105 static int perf_sample__fprintf_callindent(struct perf_sample *sample, 1106 struct perf_evsel *evsel, 1107 struct thread *thread, 1108 struct addr_location *al, FILE *fp) 1109 { 1110 struct perf_event_attr *attr = &evsel->attr; 1111 size_t depth = thread_stack__depth(thread); 1112 struct addr_location addr_al; 1113 const char *name = NULL; 1114 static int spacing; 1115 int len = 0; 1116 u64 ip = 0; 1117 1118 /* 1119 * The 'return' has already been popped off the stack so the depth has 1120 * to be adjusted to match the 'call'. 1121 */ 1122 if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN) 1123 depth += 1; 1124 1125 if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) { 1126 if (sample_addr_correlates_sym(attr)) { 1127 thread__resolve(thread, &addr_al, sample); 1128 if (addr_al.sym) 1129 name = addr_al.sym->name; 1130 else 1131 ip = sample->addr; 1132 } else { 1133 ip = sample->addr; 1134 } 1135 } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) { 1136 if (al->sym) 1137 name = al->sym->name; 1138 else 1139 ip = sample->ip; 1140 } 1141 1142 if (name) 1143 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name); 1144 else if (ip) 1145 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip); 1146 1147 if (len < 0) 1148 return len; 1149 1150 /* 1151 * Try to keep the output length from changing frequently so that the 1152 * output lines up more nicely. 1153 */ 1154 if (len > spacing || (len && len < spacing - 52)) 1155 spacing = round_up(len + 4, 32); 1156 1157 if (len < spacing) 1158 len += fprintf(fp, "%*s", spacing - len, ""); 1159 1160 return len; 1161 } 1162 1163 static int perf_sample__fprintf_insn(struct perf_sample *sample, 1164 struct perf_event_attr *attr, 1165 struct thread *thread, 1166 struct machine *machine, FILE *fp) 1167 { 1168 int printed = 0; 1169 1170 if (PRINT_FIELD(INSNLEN)) 1171 printed += fprintf(fp, " ilen: %d", sample->insn_len); 1172 if (PRINT_FIELD(INSN)) { 1173 int i; 1174 1175 printed += fprintf(fp, " insn:"); 1176 for (i = 0; i < sample->insn_len; i++) 1177 printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]); 1178 } 1179 if (PRINT_FIELD(BRSTACKINSN)) 1180 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp); 1181 1182 return printed; 1183 } 1184 1185 static int perf_sample__fprintf_bts(struct perf_sample *sample, 1186 struct perf_evsel *evsel, 1187 struct thread *thread, 1188 struct addr_location *al, 1189 struct machine *machine, FILE *fp) 1190 { 1191 struct perf_event_attr *attr = &evsel->attr; 1192 unsigned int type = output_type(attr->type); 1193 bool print_srcline_last = false; 1194 int printed = 0; 1195 1196 if (PRINT_FIELD(CALLINDENT)) 1197 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp); 1198 1199 /* print branch_from information */ 1200 if (PRINT_FIELD(IP)) { 1201 unsigned int print_opts = output[type].print_ip_opts; 1202 struct callchain_cursor *cursor = NULL; 1203 1204 if (symbol_conf.use_callchain && sample->callchain && 1205 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 1206 sample, NULL, NULL, scripting_max_stack) == 0) 1207 cursor = &callchain_cursor; 1208 1209 if (cursor == NULL) { 1210 printed += fprintf(fp, " "); 1211 if (print_opts & EVSEL__PRINT_SRCLINE) { 1212 print_srcline_last = true; 1213 print_opts &= ~EVSEL__PRINT_SRCLINE; 1214 } 1215 } else 1216 printed += fprintf(fp, "\n"); 1217 1218 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, fp); 1219 } 1220 1221 /* print branch_to information */ 1222 if (PRINT_FIELD(ADDR) || 1223 ((evsel->attr.sample_type & PERF_SAMPLE_ADDR) && 1224 !output[type].user_set)) { 1225 printed += fprintf(fp, " => "); 1226 printed += perf_sample__fprintf_addr(sample, thread, attr, fp); 1227 } 1228 1229 if (print_srcline_last) 1230 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp); 1231 1232 printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 1233 return printed + fprintf(fp, "\n"); 1234 } 1235 1236 static struct { 1237 u32 flags; 1238 const char *name; 1239 } sample_flags[] = { 1240 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"}, 1241 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"}, 1242 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"}, 1243 {PERF_IP_FLAG_BRANCH, "jmp"}, 1244 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"}, 1245 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"}, 1246 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"}, 1247 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"}, 1248 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"}, 1249 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"}, 1250 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"}, 1251 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"}, 1252 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"}, 1253 {0, NULL} 1254 }; 1255 1256 static int perf_sample__fprintf_flags(u32 flags, FILE *fp) 1257 { 1258 const char *chars = PERF_IP_FLAG_CHARS; 1259 const int n = strlen(PERF_IP_FLAG_CHARS); 1260 bool in_tx = flags & PERF_IP_FLAG_IN_TX; 1261 const char *name = NULL; 1262 char str[33]; 1263 int i, pos = 0; 1264 1265 for (i = 0; sample_flags[i].name ; i++) { 1266 if (sample_flags[i].flags == (flags & ~PERF_IP_FLAG_IN_TX)) { 1267 name = sample_flags[i].name; 1268 break; 1269 } 1270 } 1271 1272 for (i = 0; i < n; i++, flags >>= 1) { 1273 if (flags & 1) 1274 str[pos++] = chars[i]; 1275 } 1276 for (; i < 32; i++, flags >>= 1) { 1277 if (flags & 1) 1278 str[pos++] = '?'; 1279 } 1280 str[pos] = 0; 1281 1282 if (name) 1283 return fprintf(fp, " %-7s%4s ", name, in_tx ? "(x)" : ""); 1284 1285 return fprintf(fp, " %-11s ", str); 1286 } 1287 1288 struct printer_data { 1289 int line_no; 1290 bool hit_nul; 1291 bool is_printable; 1292 }; 1293 1294 static int sample__fprintf_bpf_output(enum binary_printer_ops op, 1295 unsigned int val, 1296 void *extra, FILE *fp) 1297 { 1298 unsigned char ch = (unsigned char)val; 1299 struct printer_data *printer_data = extra; 1300 int printed = 0; 1301 1302 switch (op) { 1303 case BINARY_PRINT_DATA_BEGIN: 1304 printed += fprintf(fp, "\n"); 1305 break; 1306 case BINARY_PRINT_LINE_BEGIN: 1307 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" : 1308 " "); 1309 break; 1310 case BINARY_PRINT_ADDR: 1311 printed += fprintf(fp, " %04x:", val); 1312 break; 1313 case BINARY_PRINT_NUM_DATA: 1314 printed += fprintf(fp, " %02x", val); 1315 break; 1316 case BINARY_PRINT_NUM_PAD: 1317 printed += fprintf(fp, " "); 1318 break; 1319 case BINARY_PRINT_SEP: 1320 printed += fprintf(fp, " "); 1321 break; 1322 case BINARY_PRINT_CHAR_DATA: 1323 if (printer_data->hit_nul && ch) 1324 printer_data->is_printable = false; 1325 1326 if (!isprint(ch)) { 1327 printed += fprintf(fp, "%c", '.'); 1328 1329 if (!printer_data->is_printable) 1330 break; 1331 1332 if (ch == '\0') 1333 printer_data->hit_nul = true; 1334 else 1335 printer_data->is_printable = false; 1336 } else { 1337 printed += fprintf(fp, "%c", ch); 1338 } 1339 break; 1340 case BINARY_PRINT_CHAR_PAD: 1341 printed += fprintf(fp, " "); 1342 break; 1343 case BINARY_PRINT_LINE_END: 1344 printed += fprintf(fp, "\n"); 1345 printer_data->line_no++; 1346 break; 1347 case BINARY_PRINT_DATA_END: 1348 default: 1349 break; 1350 } 1351 1352 return printed; 1353 } 1354 1355 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp) 1356 { 1357 unsigned int nr_bytes = sample->raw_size; 1358 struct printer_data printer_data = {0, false, true}; 1359 int printed = binary__fprintf(sample->raw_data, nr_bytes, 8, 1360 sample__fprintf_bpf_output, &printer_data, fp); 1361 1362 if (printer_data.is_printable && printer_data.hit_nul) 1363 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data)); 1364 1365 return printed; 1366 } 1367 1368 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp) 1369 { 1370 if (len > 0 && len < spacing) 1371 return fprintf(fp, "%*s", spacing - len, ""); 1372 1373 return 0; 1374 } 1375 1376 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp) 1377 { 1378 return perf_sample__fprintf_spacing(len, 34, fp); 1379 } 1380 1381 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp) 1382 { 1383 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample); 1384 int len; 1385 1386 if (perf_sample__bad_synth_size(sample, *data)) 1387 return 0; 1388 1389 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ", 1390 data->ip, le64_to_cpu(data->payload)); 1391 return len + perf_sample__fprintf_pt_spacing(len, fp); 1392 } 1393 1394 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp) 1395 { 1396 struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample); 1397 int len; 1398 1399 if (perf_sample__bad_synth_size(sample, *data)) 1400 return 0; 1401 1402 len = fprintf(fp, " hints: %#x extensions: %#x ", 1403 data->hints, data->extensions); 1404 return len + perf_sample__fprintf_pt_spacing(len, fp); 1405 } 1406 1407 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp) 1408 { 1409 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample); 1410 int len; 1411 1412 if (perf_sample__bad_synth_size(sample, *data)) 1413 return 0; 1414 1415 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ", 1416 data->hw, data->cstate, data->subcstate); 1417 return len + perf_sample__fprintf_pt_spacing(len, fp); 1418 } 1419 1420 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp) 1421 { 1422 struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample); 1423 int len; 1424 1425 if (perf_sample__bad_synth_size(sample, *data)) 1426 return 0; 1427 1428 len = fprintf(fp, " IP: %u ", data->ip); 1429 return len + perf_sample__fprintf_pt_spacing(len, fp); 1430 } 1431 1432 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp) 1433 { 1434 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample); 1435 int len; 1436 1437 if (perf_sample__bad_synth_size(sample, *data)) 1438 return 0; 1439 1440 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ", 1441 data->deepest_cstate, data->last_cstate, 1442 data->wake_reason); 1443 return len + perf_sample__fprintf_pt_spacing(len, fp); 1444 } 1445 1446 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp) 1447 { 1448 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample); 1449 unsigned int percent, freq; 1450 int len; 1451 1452 if (perf_sample__bad_synth_size(sample, *data)) 1453 return 0; 1454 1455 freq = (le32_to_cpu(data->freq) + 500) / 1000; 1456 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq); 1457 if (data->max_nonturbo) { 1458 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10; 1459 len += fprintf(fp, "(%3u%%) ", percent); 1460 } 1461 return len + perf_sample__fprintf_pt_spacing(len, fp); 1462 } 1463 1464 static int perf_sample__fprintf_synth(struct perf_sample *sample, 1465 struct perf_evsel *evsel, FILE *fp) 1466 { 1467 switch (evsel->attr.config) { 1468 case PERF_SYNTH_INTEL_PTWRITE: 1469 return perf_sample__fprintf_synth_ptwrite(sample, fp); 1470 case PERF_SYNTH_INTEL_MWAIT: 1471 return perf_sample__fprintf_synth_mwait(sample, fp); 1472 case PERF_SYNTH_INTEL_PWRE: 1473 return perf_sample__fprintf_synth_pwre(sample, fp); 1474 case PERF_SYNTH_INTEL_EXSTOP: 1475 return perf_sample__fprintf_synth_exstop(sample, fp); 1476 case PERF_SYNTH_INTEL_PWRX: 1477 return perf_sample__fprintf_synth_pwrx(sample, fp); 1478 case PERF_SYNTH_INTEL_CBR: 1479 return perf_sample__fprintf_synth_cbr(sample, fp); 1480 default: 1481 break; 1482 } 1483 1484 return 0; 1485 } 1486 1487 struct perf_script { 1488 struct perf_tool tool; 1489 struct perf_session *session; 1490 bool show_task_events; 1491 bool show_mmap_events; 1492 bool show_switch_events; 1493 bool show_namespace_events; 1494 bool show_lost_events; 1495 bool show_round_events; 1496 bool allocated; 1497 bool per_event_dump; 1498 struct cpu_map *cpus; 1499 struct thread_map *threads; 1500 int name_width; 1501 const char *time_str; 1502 struct perf_time_interval *ptime_range; 1503 int range_size; 1504 int range_num; 1505 }; 1506 1507 static int perf_evlist__max_name_len(struct perf_evlist *evlist) 1508 { 1509 struct perf_evsel *evsel; 1510 int max = 0; 1511 1512 evlist__for_each_entry(evlist, evsel) { 1513 int len = strlen(perf_evsel__name(evsel)); 1514 1515 max = MAX(len, max); 1516 } 1517 1518 return max; 1519 } 1520 1521 static int data_src__fprintf(u64 data_src, FILE *fp) 1522 { 1523 struct mem_info mi = { .data_src.val = data_src }; 1524 char decode[100]; 1525 char out[100]; 1526 static int maxlen; 1527 int len; 1528 1529 perf_script__meminfo_scnprintf(decode, 100, &mi); 1530 1531 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode); 1532 if (maxlen < len) 1533 maxlen = len; 1534 1535 return fprintf(fp, "%-*s", maxlen, out); 1536 } 1537 1538 struct metric_ctx { 1539 struct perf_sample *sample; 1540 struct thread *thread; 1541 struct perf_evsel *evsel; 1542 FILE *fp; 1543 }; 1544 1545 static void script_print_metric(void *ctx, const char *color, 1546 const char *fmt, 1547 const char *unit, double val) 1548 { 1549 struct metric_ctx *mctx = ctx; 1550 1551 if (!fmt) 1552 return; 1553 perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel, 1554 PERF_RECORD_SAMPLE, mctx->fp); 1555 fputs("\tmetric: ", mctx->fp); 1556 if (color) 1557 color_fprintf(mctx->fp, color, fmt, val); 1558 else 1559 printf(fmt, val); 1560 fprintf(mctx->fp, " %s\n", unit); 1561 } 1562 1563 static void script_new_line(void *ctx) 1564 { 1565 struct metric_ctx *mctx = ctx; 1566 1567 perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel, 1568 PERF_RECORD_SAMPLE, mctx->fp); 1569 fputs("\tmetric: ", mctx->fp); 1570 } 1571 1572 static void perf_sample__fprint_metric(struct perf_script *script, 1573 struct thread *thread, 1574 struct perf_evsel *evsel, 1575 struct perf_sample *sample, 1576 FILE *fp) 1577 { 1578 struct perf_stat_output_ctx ctx = { 1579 .print_metric = script_print_metric, 1580 .new_line = script_new_line, 1581 .ctx = &(struct metric_ctx) { 1582 .sample = sample, 1583 .thread = thread, 1584 .evsel = evsel, 1585 .fp = fp, 1586 }, 1587 .force_header = false, 1588 }; 1589 struct perf_evsel *ev2; 1590 static bool init; 1591 u64 val; 1592 1593 if (!init) { 1594 perf_stat__init_shadow_stats(); 1595 init = true; 1596 } 1597 if (!evsel->stats) 1598 perf_evlist__alloc_stats(script->session->evlist, false); 1599 if (evsel_script(evsel->leader)->gnum++ == 0) 1600 perf_stat__reset_shadow_stats(); 1601 val = sample->period * evsel->scale; 1602 perf_stat__update_shadow_stats(evsel, 1603 val, 1604 sample->cpu, 1605 &rt_stat); 1606 evsel_script(evsel)->val = val; 1607 if (evsel_script(evsel->leader)->gnum == evsel->leader->nr_members) { 1608 for_each_group_member (ev2, evsel->leader) { 1609 perf_stat__print_shadow_stats(ev2, 1610 evsel_script(ev2)->val, 1611 sample->cpu, 1612 &ctx, 1613 NULL, 1614 &rt_stat); 1615 } 1616 evsel_script(evsel->leader)->gnum = 0; 1617 } 1618 } 1619 1620 static void process_event(struct perf_script *script, 1621 struct perf_sample *sample, struct perf_evsel *evsel, 1622 struct addr_location *al, 1623 struct machine *machine) 1624 { 1625 struct thread *thread = al->thread; 1626 struct perf_event_attr *attr = &evsel->attr; 1627 unsigned int type = output_type(attr->type); 1628 struct perf_evsel_script *es = evsel->priv; 1629 FILE *fp = es->fp; 1630 1631 if (output[type].fields == 0) 1632 return; 1633 1634 ++es->samples; 1635 1636 perf_sample__fprintf_start(sample, thread, evsel, 1637 PERF_RECORD_SAMPLE, fp); 1638 1639 if (PRINT_FIELD(PERIOD)) 1640 fprintf(fp, "%10" PRIu64 " ", sample->period); 1641 1642 if (PRINT_FIELD(EVNAME)) { 1643 const char *evname = perf_evsel__name(evsel); 1644 1645 if (!script->name_width) 1646 script->name_width = perf_evlist__max_name_len(script->session->evlist); 1647 1648 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]"); 1649 } 1650 1651 if (print_flags) 1652 perf_sample__fprintf_flags(sample->flags, fp); 1653 1654 if (is_bts_event(attr)) { 1655 perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp); 1656 return; 1657 } 1658 1659 if (PRINT_FIELD(TRACE)) { 1660 event_format__fprintf(evsel->tp_format, sample->cpu, 1661 sample->raw_data, sample->raw_size, fp); 1662 } 1663 1664 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH)) 1665 perf_sample__fprintf_synth(sample, evsel, fp); 1666 1667 if (PRINT_FIELD(ADDR)) 1668 perf_sample__fprintf_addr(sample, thread, attr, fp); 1669 1670 if (PRINT_FIELD(DATA_SRC)) 1671 data_src__fprintf(sample->data_src, fp); 1672 1673 if (PRINT_FIELD(WEIGHT)) 1674 fprintf(fp, "%16" PRIu64, sample->weight); 1675 1676 if (PRINT_FIELD(IP)) { 1677 struct callchain_cursor *cursor = NULL; 1678 1679 if (symbol_conf.use_callchain && sample->callchain && 1680 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 1681 sample, NULL, NULL, scripting_max_stack) == 0) 1682 cursor = &callchain_cursor; 1683 1684 fputc(cursor ? '\n' : ' ', fp); 1685 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, fp); 1686 } 1687 1688 if (PRINT_FIELD(IREGS)) 1689 perf_sample__fprintf_iregs(sample, attr, fp); 1690 1691 if (PRINT_FIELD(UREGS)) 1692 perf_sample__fprintf_uregs(sample, attr, fp); 1693 1694 if (PRINT_FIELD(BRSTACK)) 1695 perf_sample__fprintf_brstack(sample, thread, attr, fp); 1696 else if (PRINT_FIELD(BRSTACKSYM)) 1697 perf_sample__fprintf_brstacksym(sample, thread, attr, fp); 1698 else if (PRINT_FIELD(BRSTACKOFF)) 1699 perf_sample__fprintf_brstackoff(sample, thread, attr, fp); 1700 1701 if (perf_evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT)) 1702 perf_sample__fprintf_bpf_output(sample, fp); 1703 perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 1704 1705 if (PRINT_FIELD(PHYS_ADDR)) 1706 fprintf(fp, "%16" PRIx64, sample->phys_addr); 1707 fprintf(fp, "\n"); 1708 1709 if (PRINT_FIELD(METRIC)) 1710 perf_sample__fprint_metric(script, thread, evsel, sample, fp); 1711 } 1712 1713 static struct scripting_ops *scripting_ops; 1714 1715 static void __process_stat(struct perf_evsel *counter, u64 tstamp) 1716 { 1717 int nthreads = thread_map__nr(counter->threads); 1718 int ncpus = perf_evsel__nr_cpus(counter); 1719 int cpu, thread; 1720 static int header_printed; 1721 1722 if (counter->system_wide) 1723 nthreads = 1; 1724 1725 if (!header_printed) { 1726 printf("%3s %8s %15s %15s %15s %15s %s\n", 1727 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT"); 1728 header_printed = 1; 1729 } 1730 1731 for (thread = 0; thread < nthreads; thread++) { 1732 for (cpu = 0; cpu < ncpus; cpu++) { 1733 struct perf_counts_values *counts; 1734 1735 counts = perf_counts(counter->counts, cpu, thread); 1736 1737 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n", 1738 counter->cpus->map[cpu], 1739 thread_map__pid(counter->threads, thread), 1740 counts->val, 1741 counts->ena, 1742 counts->run, 1743 tstamp, 1744 perf_evsel__name(counter)); 1745 } 1746 } 1747 } 1748 1749 static void process_stat(struct perf_evsel *counter, u64 tstamp) 1750 { 1751 if (scripting_ops && scripting_ops->process_stat) 1752 scripting_ops->process_stat(&stat_config, counter, tstamp); 1753 else 1754 __process_stat(counter, tstamp); 1755 } 1756 1757 static void process_stat_interval(u64 tstamp) 1758 { 1759 if (scripting_ops && scripting_ops->process_stat_interval) 1760 scripting_ops->process_stat_interval(tstamp); 1761 } 1762 1763 static void setup_scripting(void) 1764 { 1765 setup_perl_scripting(); 1766 setup_python_scripting(); 1767 } 1768 1769 static int flush_scripting(void) 1770 { 1771 return scripting_ops ? scripting_ops->flush_script() : 0; 1772 } 1773 1774 static int cleanup_scripting(void) 1775 { 1776 pr_debug("\nperf script stopped\n"); 1777 1778 return scripting_ops ? scripting_ops->stop_script() : 0; 1779 } 1780 1781 static int process_sample_event(struct perf_tool *tool, 1782 union perf_event *event, 1783 struct perf_sample *sample, 1784 struct perf_evsel *evsel, 1785 struct machine *machine) 1786 { 1787 struct perf_script *scr = container_of(tool, struct perf_script, tool); 1788 struct addr_location al; 1789 1790 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num, 1791 sample->time)) { 1792 return 0; 1793 } 1794 1795 if (debug_mode) { 1796 if (sample->time < last_timestamp) { 1797 pr_err("Samples misordered, previous: %" PRIu64 1798 " this: %" PRIu64 "\n", last_timestamp, 1799 sample->time); 1800 nr_unordered++; 1801 } 1802 last_timestamp = sample->time; 1803 return 0; 1804 } 1805 1806 if (machine__resolve(machine, &al, sample) < 0) { 1807 pr_err("problem processing %d event, skipping it.\n", 1808 event->header.type); 1809 return -1; 1810 } 1811 1812 if (al.filtered) 1813 goto out_put; 1814 1815 if (cpu_list && !test_bit(sample->cpu, cpu_bitmap)) 1816 goto out_put; 1817 1818 if (scripting_ops) 1819 scripting_ops->process_event(event, sample, evsel, &al); 1820 else 1821 process_event(scr, sample, evsel, &al, machine); 1822 1823 out_put: 1824 addr_location__put(&al); 1825 return 0; 1826 } 1827 1828 static int process_attr(struct perf_tool *tool, union perf_event *event, 1829 struct perf_evlist **pevlist) 1830 { 1831 struct perf_script *scr = container_of(tool, struct perf_script, tool); 1832 struct perf_evlist *evlist; 1833 struct perf_evsel *evsel, *pos; 1834 int err; 1835 1836 err = perf_event__process_attr(tool, event, pevlist); 1837 if (err) 1838 return err; 1839 1840 evlist = *pevlist; 1841 evsel = perf_evlist__last(*pevlist); 1842 1843 if (evsel->attr.type >= PERF_TYPE_MAX && 1844 evsel->attr.type != PERF_TYPE_SYNTH) 1845 return 0; 1846 1847 evlist__for_each_entry(evlist, pos) { 1848 if (pos->attr.type == evsel->attr.type && pos != evsel) 1849 return 0; 1850 } 1851 1852 set_print_ip_opts(&evsel->attr); 1853 1854 if (evsel->attr.sample_type) 1855 err = perf_evsel__check_attr(evsel, scr->session); 1856 1857 return err; 1858 } 1859 1860 static int process_comm_event(struct perf_tool *tool, 1861 union perf_event *event, 1862 struct perf_sample *sample, 1863 struct machine *machine) 1864 { 1865 struct thread *thread; 1866 struct perf_script *script = container_of(tool, struct perf_script, tool); 1867 struct perf_session *session = script->session; 1868 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 1869 int ret = -1; 1870 1871 thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid); 1872 if (thread == NULL) { 1873 pr_debug("problem processing COMM event, skipping it.\n"); 1874 return -1; 1875 } 1876 1877 if (perf_event__process_comm(tool, event, sample, machine) < 0) 1878 goto out; 1879 1880 if (!evsel->attr.sample_id_all) { 1881 sample->cpu = 0; 1882 sample->time = 0; 1883 sample->tid = event->comm.tid; 1884 sample->pid = event->comm.pid; 1885 } 1886 perf_sample__fprintf_start(sample, thread, evsel, 1887 PERF_RECORD_COMM, stdout); 1888 perf_event__fprintf(event, stdout); 1889 ret = 0; 1890 out: 1891 thread__put(thread); 1892 return ret; 1893 } 1894 1895 static int process_namespaces_event(struct perf_tool *tool, 1896 union perf_event *event, 1897 struct perf_sample *sample, 1898 struct machine *machine) 1899 { 1900 struct thread *thread; 1901 struct perf_script *script = container_of(tool, struct perf_script, tool); 1902 struct perf_session *session = script->session; 1903 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 1904 int ret = -1; 1905 1906 thread = machine__findnew_thread(machine, event->namespaces.pid, 1907 event->namespaces.tid); 1908 if (thread == NULL) { 1909 pr_debug("problem processing NAMESPACES event, skipping it.\n"); 1910 return -1; 1911 } 1912 1913 if (perf_event__process_namespaces(tool, event, sample, machine) < 0) 1914 goto out; 1915 1916 if (!evsel->attr.sample_id_all) { 1917 sample->cpu = 0; 1918 sample->time = 0; 1919 sample->tid = event->namespaces.tid; 1920 sample->pid = event->namespaces.pid; 1921 } 1922 perf_sample__fprintf_start(sample, thread, evsel, 1923 PERF_RECORD_NAMESPACES, stdout); 1924 perf_event__fprintf(event, stdout); 1925 ret = 0; 1926 out: 1927 thread__put(thread); 1928 return ret; 1929 } 1930 1931 static int process_fork_event(struct perf_tool *tool, 1932 union perf_event *event, 1933 struct perf_sample *sample, 1934 struct machine *machine) 1935 { 1936 struct thread *thread; 1937 struct perf_script *script = container_of(tool, struct perf_script, tool); 1938 struct perf_session *session = script->session; 1939 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 1940 1941 if (perf_event__process_fork(tool, event, sample, machine) < 0) 1942 return -1; 1943 1944 thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid); 1945 if (thread == NULL) { 1946 pr_debug("problem processing FORK event, skipping it.\n"); 1947 return -1; 1948 } 1949 1950 if (!evsel->attr.sample_id_all) { 1951 sample->cpu = 0; 1952 sample->time = event->fork.time; 1953 sample->tid = event->fork.tid; 1954 sample->pid = event->fork.pid; 1955 } 1956 perf_sample__fprintf_start(sample, thread, evsel, 1957 PERF_RECORD_FORK, stdout); 1958 perf_event__fprintf(event, stdout); 1959 thread__put(thread); 1960 1961 return 0; 1962 } 1963 static int process_exit_event(struct perf_tool *tool, 1964 union perf_event *event, 1965 struct perf_sample *sample, 1966 struct machine *machine) 1967 { 1968 int err = 0; 1969 struct thread *thread; 1970 struct perf_script *script = container_of(tool, struct perf_script, tool); 1971 struct perf_session *session = script->session; 1972 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 1973 1974 thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid); 1975 if (thread == NULL) { 1976 pr_debug("problem processing EXIT event, skipping it.\n"); 1977 return -1; 1978 } 1979 1980 if (!evsel->attr.sample_id_all) { 1981 sample->cpu = 0; 1982 sample->time = 0; 1983 sample->tid = event->fork.tid; 1984 sample->pid = event->fork.pid; 1985 } 1986 perf_sample__fprintf_start(sample, thread, evsel, 1987 PERF_RECORD_EXIT, stdout); 1988 perf_event__fprintf(event, stdout); 1989 1990 if (perf_event__process_exit(tool, event, sample, machine) < 0) 1991 err = -1; 1992 1993 thread__put(thread); 1994 return err; 1995 } 1996 1997 static int process_mmap_event(struct perf_tool *tool, 1998 union perf_event *event, 1999 struct perf_sample *sample, 2000 struct machine *machine) 2001 { 2002 struct thread *thread; 2003 struct perf_script *script = container_of(tool, struct perf_script, tool); 2004 struct perf_session *session = script->session; 2005 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2006 2007 if (perf_event__process_mmap(tool, event, sample, machine) < 0) 2008 return -1; 2009 2010 thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid); 2011 if (thread == NULL) { 2012 pr_debug("problem processing MMAP event, skipping it.\n"); 2013 return -1; 2014 } 2015 2016 if (!evsel->attr.sample_id_all) { 2017 sample->cpu = 0; 2018 sample->time = 0; 2019 sample->tid = event->mmap.tid; 2020 sample->pid = event->mmap.pid; 2021 } 2022 perf_sample__fprintf_start(sample, thread, evsel, 2023 PERF_RECORD_MMAP, stdout); 2024 perf_event__fprintf(event, stdout); 2025 thread__put(thread); 2026 return 0; 2027 } 2028 2029 static int process_mmap2_event(struct perf_tool *tool, 2030 union perf_event *event, 2031 struct perf_sample *sample, 2032 struct machine *machine) 2033 { 2034 struct thread *thread; 2035 struct perf_script *script = container_of(tool, struct perf_script, tool); 2036 struct perf_session *session = script->session; 2037 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2038 2039 if (perf_event__process_mmap2(tool, event, sample, machine) < 0) 2040 return -1; 2041 2042 thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid); 2043 if (thread == NULL) { 2044 pr_debug("problem processing MMAP2 event, skipping it.\n"); 2045 return -1; 2046 } 2047 2048 if (!evsel->attr.sample_id_all) { 2049 sample->cpu = 0; 2050 sample->time = 0; 2051 sample->tid = event->mmap2.tid; 2052 sample->pid = event->mmap2.pid; 2053 } 2054 perf_sample__fprintf_start(sample, thread, evsel, 2055 PERF_RECORD_MMAP2, stdout); 2056 perf_event__fprintf(event, stdout); 2057 thread__put(thread); 2058 return 0; 2059 } 2060 2061 static int process_switch_event(struct perf_tool *tool, 2062 union perf_event *event, 2063 struct perf_sample *sample, 2064 struct machine *machine) 2065 { 2066 struct thread *thread; 2067 struct perf_script *script = container_of(tool, struct perf_script, tool); 2068 struct perf_session *session = script->session; 2069 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2070 2071 if (perf_event__process_switch(tool, event, sample, machine) < 0) 2072 return -1; 2073 2074 thread = machine__findnew_thread(machine, sample->pid, 2075 sample->tid); 2076 if (thread == NULL) { 2077 pr_debug("problem processing SWITCH event, skipping it.\n"); 2078 return -1; 2079 } 2080 2081 perf_sample__fprintf_start(sample, thread, evsel, 2082 PERF_RECORD_SWITCH, stdout); 2083 perf_event__fprintf(event, stdout); 2084 thread__put(thread); 2085 return 0; 2086 } 2087 2088 static int 2089 process_lost_event(struct perf_tool *tool, 2090 union perf_event *event, 2091 struct perf_sample *sample, 2092 struct machine *machine) 2093 { 2094 struct perf_script *script = container_of(tool, struct perf_script, tool); 2095 struct perf_session *session = script->session; 2096 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2097 struct thread *thread; 2098 2099 thread = machine__findnew_thread(machine, sample->pid, 2100 sample->tid); 2101 if (thread == NULL) 2102 return -1; 2103 2104 perf_sample__fprintf_start(sample, thread, evsel, 2105 PERF_RECORD_LOST, stdout); 2106 perf_event__fprintf(event, stdout); 2107 thread__put(thread); 2108 return 0; 2109 } 2110 2111 static int 2112 process_finished_round_event(struct perf_tool *tool __maybe_unused, 2113 union perf_event *event, 2114 struct ordered_events *oe __maybe_unused) 2115 2116 { 2117 perf_event__fprintf(event, stdout); 2118 return 0; 2119 } 2120 2121 static void sig_handler(int sig __maybe_unused) 2122 { 2123 session_done = 1; 2124 } 2125 2126 static void perf_script__fclose_per_event_dump(struct perf_script *script) 2127 { 2128 struct perf_evlist *evlist = script->session->evlist; 2129 struct perf_evsel *evsel; 2130 2131 evlist__for_each_entry(evlist, evsel) { 2132 if (!evsel->priv) 2133 break; 2134 perf_evsel_script__delete(evsel->priv); 2135 evsel->priv = NULL; 2136 } 2137 } 2138 2139 static int perf_script__fopen_per_event_dump(struct perf_script *script) 2140 { 2141 struct perf_evsel *evsel; 2142 2143 evlist__for_each_entry(script->session->evlist, evsel) { 2144 /* 2145 * Already setup? I.e. we may be called twice in cases like 2146 * Intel PT, one for the intel_pt// and dummy events, then 2147 * for the evsels syntheized from the auxtrace info. 2148 * 2149 * Ses perf_script__process_auxtrace_info. 2150 */ 2151 if (evsel->priv != NULL) 2152 continue; 2153 2154 evsel->priv = perf_evsel_script__new(evsel, script->session->data); 2155 if (evsel->priv == NULL) 2156 goto out_err_fclose; 2157 } 2158 2159 return 0; 2160 2161 out_err_fclose: 2162 perf_script__fclose_per_event_dump(script); 2163 return -1; 2164 } 2165 2166 static int perf_script__setup_per_event_dump(struct perf_script *script) 2167 { 2168 struct perf_evsel *evsel; 2169 static struct perf_evsel_script es_stdout; 2170 2171 if (script->per_event_dump) 2172 return perf_script__fopen_per_event_dump(script); 2173 2174 es_stdout.fp = stdout; 2175 2176 evlist__for_each_entry(script->session->evlist, evsel) 2177 evsel->priv = &es_stdout; 2178 2179 return 0; 2180 } 2181 2182 static void perf_script__exit_per_event_dump_stats(struct perf_script *script) 2183 { 2184 struct perf_evsel *evsel; 2185 2186 evlist__for_each_entry(script->session->evlist, evsel) { 2187 struct perf_evsel_script *es = evsel->priv; 2188 2189 perf_evsel_script__fprintf(es, stdout); 2190 perf_evsel_script__delete(es); 2191 evsel->priv = NULL; 2192 } 2193 } 2194 2195 static int __cmd_script(struct perf_script *script) 2196 { 2197 int ret; 2198 2199 signal(SIGINT, sig_handler); 2200 2201 /* override event processing functions */ 2202 if (script->show_task_events) { 2203 script->tool.comm = process_comm_event; 2204 script->tool.fork = process_fork_event; 2205 script->tool.exit = process_exit_event; 2206 } 2207 if (script->show_mmap_events) { 2208 script->tool.mmap = process_mmap_event; 2209 script->tool.mmap2 = process_mmap2_event; 2210 } 2211 if (script->show_switch_events) 2212 script->tool.context_switch = process_switch_event; 2213 if (script->show_namespace_events) 2214 script->tool.namespaces = process_namespaces_event; 2215 if (script->show_lost_events) 2216 script->tool.lost = process_lost_event; 2217 if (script->show_round_events) { 2218 script->tool.ordered_events = false; 2219 script->tool.finished_round = process_finished_round_event; 2220 } 2221 2222 if (perf_script__setup_per_event_dump(script)) { 2223 pr_err("Couldn't create the per event dump files\n"); 2224 return -1; 2225 } 2226 2227 ret = perf_session__process_events(script->session); 2228 2229 if (script->per_event_dump) 2230 perf_script__exit_per_event_dump_stats(script); 2231 2232 if (debug_mode) 2233 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); 2234 2235 return ret; 2236 } 2237 2238 struct script_spec { 2239 struct list_head node; 2240 struct scripting_ops *ops; 2241 char spec[0]; 2242 }; 2243 2244 static LIST_HEAD(script_specs); 2245 2246 static struct script_spec *script_spec__new(const char *spec, 2247 struct scripting_ops *ops) 2248 { 2249 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); 2250 2251 if (s != NULL) { 2252 strcpy(s->spec, spec); 2253 s->ops = ops; 2254 } 2255 2256 return s; 2257 } 2258 2259 static void script_spec__add(struct script_spec *s) 2260 { 2261 list_add_tail(&s->node, &script_specs); 2262 } 2263 2264 static struct script_spec *script_spec__find(const char *spec) 2265 { 2266 struct script_spec *s; 2267 2268 list_for_each_entry(s, &script_specs, node) 2269 if (strcasecmp(s->spec, spec) == 0) 2270 return s; 2271 return NULL; 2272 } 2273 2274 int script_spec_register(const char *spec, struct scripting_ops *ops) 2275 { 2276 struct script_spec *s; 2277 2278 s = script_spec__find(spec); 2279 if (s) 2280 return -1; 2281 2282 s = script_spec__new(spec, ops); 2283 if (!s) 2284 return -1; 2285 else 2286 script_spec__add(s); 2287 2288 return 0; 2289 } 2290 2291 static struct scripting_ops *script_spec__lookup(const char *spec) 2292 { 2293 struct script_spec *s = script_spec__find(spec); 2294 if (!s) 2295 return NULL; 2296 2297 return s->ops; 2298 } 2299 2300 static void list_available_languages(void) 2301 { 2302 struct script_spec *s; 2303 2304 fprintf(stderr, "\n"); 2305 fprintf(stderr, "Scripting language extensions (used in " 2306 "perf script -s [spec:]script.[spec]):\n\n"); 2307 2308 list_for_each_entry(s, &script_specs, node) 2309 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); 2310 2311 fprintf(stderr, "\n"); 2312 } 2313 2314 static int parse_scriptname(const struct option *opt __maybe_unused, 2315 const char *str, int unset __maybe_unused) 2316 { 2317 char spec[PATH_MAX]; 2318 const char *script, *ext; 2319 int len; 2320 2321 if (strcmp(str, "lang") == 0) { 2322 list_available_languages(); 2323 exit(0); 2324 } 2325 2326 script = strchr(str, ':'); 2327 if (script) { 2328 len = script - str; 2329 if (len >= PATH_MAX) { 2330 fprintf(stderr, "invalid language specifier"); 2331 return -1; 2332 } 2333 strncpy(spec, str, len); 2334 spec[len] = '\0'; 2335 scripting_ops = script_spec__lookup(spec); 2336 if (!scripting_ops) { 2337 fprintf(stderr, "invalid language specifier"); 2338 return -1; 2339 } 2340 script++; 2341 } else { 2342 script = str; 2343 ext = strrchr(script, '.'); 2344 if (!ext) { 2345 fprintf(stderr, "invalid script extension"); 2346 return -1; 2347 } 2348 scripting_ops = script_spec__lookup(++ext); 2349 if (!scripting_ops) { 2350 fprintf(stderr, "invalid script extension"); 2351 return -1; 2352 } 2353 } 2354 2355 script_name = strdup(script); 2356 2357 return 0; 2358 } 2359 2360 static int parse_output_fields(const struct option *opt __maybe_unused, 2361 const char *arg, int unset __maybe_unused) 2362 { 2363 char *tok, *strtok_saveptr = NULL; 2364 int i, imax = ARRAY_SIZE(all_output_options); 2365 int j; 2366 int rc = 0; 2367 char *str = strdup(arg); 2368 int type = -1; 2369 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT; 2370 2371 if (!str) 2372 return -ENOMEM; 2373 2374 /* first word can state for which event type the user is specifying 2375 * the fields. If no type exists, the specified fields apply to all 2376 * event types found in the file minus the invalid fields for a type. 2377 */ 2378 tok = strchr(str, ':'); 2379 if (tok) { 2380 *tok = '\0'; 2381 tok++; 2382 if (!strcmp(str, "hw")) 2383 type = PERF_TYPE_HARDWARE; 2384 else if (!strcmp(str, "sw")) 2385 type = PERF_TYPE_SOFTWARE; 2386 else if (!strcmp(str, "trace")) 2387 type = PERF_TYPE_TRACEPOINT; 2388 else if (!strcmp(str, "raw")) 2389 type = PERF_TYPE_RAW; 2390 else if (!strcmp(str, "break")) 2391 type = PERF_TYPE_BREAKPOINT; 2392 else if (!strcmp(str, "synth")) 2393 type = OUTPUT_TYPE_SYNTH; 2394 else { 2395 fprintf(stderr, "Invalid event type in field string.\n"); 2396 rc = -EINVAL; 2397 goto out; 2398 } 2399 2400 if (output[type].user_set) 2401 pr_warning("Overriding previous field request for %s events.\n", 2402 event_type(type)); 2403 2404 output[type].fields = 0; 2405 output[type].user_set = true; 2406 output[type].wildcard_set = false; 2407 2408 } else { 2409 tok = str; 2410 if (strlen(str) == 0) { 2411 fprintf(stderr, 2412 "Cannot set fields to 'none' for all event types.\n"); 2413 rc = -EINVAL; 2414 goto out; 2415 } 2416 2417 /* Don't override defaults for +- */ 2418 if (strchr(str, '+') || strchr(str, '-')) 2419 goto parse; 2420 2421 if (output_set_by_user()) 2422 pr_warning("Overriding previous field request for all events.\n"); 2423 2424 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 2425 output[j].fields = 0; 2426 output[j].user_set = true; 2427 output[j].wildcard_set = true; 2428 } 2429 } 2430 2431 parse: 2432 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) { 2433 if (*tok == '+') { 2434 if (change == SET) 2435 goto out_badmix; 2436 change = ADD; 2437 tok++; 2438 } else if (*tok == '-') { 2439 if (change == SET) 2440 goto out_badmix; 2441 change = REMOVE; 2442 tok++; 2443 } else { 2444 if (change != SET && change != DEFAULT) 2445 goto out_badmix; 2446 change = SET; 2447 } 2448 2449 for (i = 0; i < imax; ++i) { 2450 if (strcmp(tok, all_output_options[i].str) == 0) 2451 break; 2452 } 2453 if (i == imax && strcmp(tok, "flags") == 0) { 2454 print_flags = change == REMOVE ? false : true; 2455 continue; 2456 } 2457 if (i == imax) { 2458 fprintf(stderr, "Invalid field requested.\n"); 2459 rc = -EINVAL; 2460 goto out; 2461 } 2462 2463 if (type == -1) { 2464 /* add user option to all events types for 2465 * which it is valid 2466 */ 2467 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 2468 if (output[j].invalid_fields & all_output_options[i].field) { 2469 pr_warning("\'%s\' not valid for %s events. Ignoring.\n", 2470 all_output_options[i].str, event_type(j)); 2471 } else { 2472 if (change == REMOVE) 2473 output[j].fields &= ~all_output_options[i].field; 2474 else 2475 output[j].fields |= all_output_options[i].field; 2476 } 2477 } 2478 } else { 2479 if (output[type].invalid_fields & all_output_options[i].field) { 2480 fprintf(stderr, "\'%s\' not valid for %s events.\n", 2481 all_output_options[i].str, event_type(type)); 2482 2483 rc = -EINVAL; 2484 goto out; 2485 } 2486 output[type].fields |= all_output_options[i].field; 2487 } 2488 } 2489 2490 if (type >= 0) { 2491 if (output[type].fields == 0) { 2492 pr_debug("No fields requested for %s type. " 2493 "Events will not be displayed.\n", event_type(type)); 2494 } 2495 } 2496 goto out; 2497 2498 out_badmix: 2499 fprintf(stderr, "Cannot mix +-field with overridden fields\n"); 2500 rc = -EINVAL; 2501 out: 2502 free(str); 2503 return rc; 2504 } 2505 2506 #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \ 2507 while ((lang_dirent = readdir(scripts_dir)) != NULL) \ 2508 if ((lang_dirent->d_type == DT_DIR || \ 2509 (lang_dirent->d_type == DT_UNKNOWN && \ 2510 is_directory(scripts_path, lang_dirent))) && \ 2511 (strcmp(lang_dirent->d_name, ".")) && \ 2512 (strcmp(lang_dirent->d_name, ".."))) 2513 2514 #define for_each_script(lang_path, lang_dir, script_dirent) \ 2515 while ((script_dirent = readdir(lang_dir)) != NULL) \ 2516 if (script_dirent->d_type != DT_DIR && \ 2517 (script_dirent->d_type != DT_UNKNOWN || \ 2518 !is_directory(lang_path, script_dirent))) 2519 2520 2521 #define RECORD_SUFFIX "-record" 2522 #define REPORT_SUFFIX "-report" 2523 2524 struct script_desc { 2525 struct list_head node; 2526 char *name; 2527 char *half_liner; 2528 char *args; 2529 }; 2530 2531 static LIST_HEAD(script_descs); 2532 2533 static struct script_desc *script_desc__new(const char *name) 2534 { 2535 struct script_desc *s = zalloc(sizeof(*s)); 2536 2537 if (s != NULL && name) 2538 s->name = strdup(name); 2539 2540 return s; 2541 } 2542 2543 static void script_desc__delete(struct script_desc *s) 2544 { 2545 zfree(&s->name); 2546 zfree(&s->half_liner); 2547 zfree(&s->args); 2548 free(s); 2549 } 2550 2551 static void script_desc__add(struct script_desc *s) 2552 { 2553 list_add_tail(&s->node, &script_descs); 2554 } 2555 2556 static struct script_desc *script_desc__find(const char *name) 2557 { 2558 struct script_desc *s; 2559 2560 list_for_each_entry(s, &script_descs, node) 2561 if (strcasecmp(s->name, name) == 0) 2562 return s; 2563 return NULL; 2564 } 2565 2566 static struct script_desc *script_desc__findnew(const char *name) 2567 { 2568 struct script_desc *s = script_desc__find(name); 2569 2570 if (s) 2571 return s; 2572 2573 s = script_desc__new(name); 2574 if (!s) 2575 return NULL; 2576 2577 script_desc__add(s); 2578 2579 return s; 2580 } 2581 2582 static const char *ends_with(const char *str, const char *suffix) 2583 { 2584 size_t suffix_len = strlen(suffix); 2585 const char *p = str; 2586 2587 if (strlen(str) > suffix_len) { 2588 p = str + strlen(str) - suffix_len; 2589 if (!strncmp(p, suffix, suffix_len)) 2590 return p; 2591 } 2592 2593 return NULL; 2594 } 2595 2596 static int read_script_info(struct script_desc *desc, const char *filename) 2597 { 2598 char line[BUFSIZ], *p; 2599 FILE *fp; 2600 2601 fp = fopen(filename, "r"); 2602 if (!fp) 2603 return -1; 2604 2605 while (fgets(line, sizeof(line), fp)) { 2606 p = ltrim(line); 2607 if (strlen(p) == 0) 2608 continue; 2609 if (*p != '#') 2610 continue; 2611 p++; 2612 if (strlen(p) && *p == '!') 2613 continue; 2614 2615 p = ltrim(p); 2616 if (strlen(p) && p[strlen(p) - 1] == '\n') 2617 p[strlen(p) - 1] = '\0'; 2618 2619 if (!strncmp(p, "description:", strlen("description:"))) { 2620 p += strlen("description:"); 2621 desc->half_liner = strdup(ltrim(p)); 2622 continue; 2623 } 2624 2625 if (!strncmp(p, "args:", strlen("args:"))) { 2626 p += strlen("args:"); 2627 desc->args = strdup(ltrim(p)); 2628 continue; 2629 } 2630 } 2631 2632 fclose(fp); 2633 2634 return 0; 2635 } 2636 2637 static char *get_script_root(struct dirent *script_dirent, const char *suffix) 2638 { 2639 char *script_root, *str; 2640 2641 script_root = strdup(script_dirent->d_name); 2642 if (!script_root) 2643 return NULL; 2644 2645 str = (char *)ends_with(script_root, suffix); 2646 if (!str) { 2647 free(script_root); 2648 return NULL; 2649 } 2650 2651 *str = '\0'; 2652 return script_root; 2653 } 2654 2655 static int list_available_scripts(const struct option *opt __maybe_unused, 2656 const char *s __maybe_unused, 2657 int unset __maybe_unused) 2658 { 2659 struct dirent *script_dirent, *lang_dirent; 2660 char scripts_path[MAXPATHLEN]; 2661 DIR *scripts_dir, *lang_dir; 2662 char script_path[MAXPATHLEN]; 2663 char lang_path[MAXPATHLEN]; 2664 struct script_desc *desc; 2665 char first_half[BUFSIZ]; 2666 char *script_root; 2667 2668 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 2669 2670 scripts_dir = opendir(scripts_path); 2671 if (!scripts_dir) { 2672 fprintf(stdout, 2673 "open(%s) failed.\n" 2674 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n", 2675 scripts_path); 2676 exit(-1); 2677 } 2678 2679 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 2680 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 2681 lang_dirent->d_name); 2682 lang_dir = opendir(lang_path); 2683 if (!lang_dir) 2684 continue; 2685 2686 for_each_script(lang_path, lang_dir, script_dirent) { 2687 script_root = get_script_root(script_dirent, REPORT_SUFFIX); 2688 if (script_root) { 2689 desc = script_desc__findnew(script_root); 2690 scnprintf(script_path, MAXPATHLEN, "%s/%s", 2691 lang_path, script_dirent->d_name); 2692 read_script_info(desc, script_path); 2693 free(script_root); 2694 } 2695 } 2696 } 2697 2698 fprintf(stdout, "List of available trace scripts:\n"); 2699 list_for_each_entry(desc, &script_descs, node) { 2700 sprintf(first_half, "%s %s", desc->name, 2701 desc->args ? desc->args : ""); 2702 fprintf(stdout, " %-36s %s\n", first_half, 2703 desc->half_liner ? desc->half_liner : ""); 2704 } 2705 2706 exit(0); 2707 } 2708 2709 /* 2710 * Some scripts specify the required events in their "xxx-record" file, 2711 * this function will check if the events in perf.data match those 2712 * mentioned in the "xxx-record". 2713 * 2714 * Fixme: All existing "xxx-record" are all in good formats "-e event ", 2715 * which is covered well now. And new parsing code should be added to 2716 * cover the future complexing formats like event groups etc. 2717 */ 2718 static int check_ev_match(char *dir_name, char *scriptname, 2719 struct perf_session *session) 2720 { 2721 char filename[MAXPATHLEN], evname[128]; 2722 char line[BUFSIZ], *p; 2723 struct perf_evsel *pos; 2724 int match, len; 2725 FILE *fp; 2726 2727 scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname); 2728 2729 fp = fopen(filename, "r"); 2730 if (!fp) 2731 return -1; 2732 2733 while (fgets(line, sizeof(line), fp)) { 2734 p = ltrim(line); 2735 if (*p == '#') 2736 continue; 2737 2738 while (strlen(p)) { 2739 p = strstr(p, "-e"); 2740 if (!p) 2741 break; 2742 2743 p += 2; 2744 p = ltrim(p); 2745 len = strcspn(p, " \t"); 2746 if (!len) 2747 break; 2748 2749 snprintf(evname, len + 1, "%s", p); 2750 2751 match = 0; 2752 evlist__for_each_entry(session->evlist, pos) { 2753 if (!strcmp(perf_evsel__name(pos), evname)) { 2754 match = 1; 2755 break; 2756 } 2757 } 2758 2759 if (!match) { 2760 fclose(fp); 2761 return -1; 2762 } 2763 } 2764 } 2765 2766 fclose(fp); 2767 return 0; 2768 } 2769 2770 /* 2771 * Return -1 if none is found, otherwise the actual scripts number. 2772 * 2773 * Currently the only user of this function is the script browser, which 2774 * will list all statically runnable scripts, select one, execute it and 2775 * show the output in a perf browser. 2776 */ 2777 int find_scripts(char **scripts_array, char **scripts_path_array) 2778 { 2779 struct dirent *script_dirent, *lang_dirent; 2780 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; 2781 DIR *scripts_dir, *lang_dir; 2782 struct perf_session *session; 2783 struct perf_data data = { 2784 .file = { 2785 .path = input_name, 2786 }, 2787 .mode = PERF_DATA_MODE_READ, 2788 }; 2789 char *temp; 2790 int i = 0; 2791 2792 session = perf_session__new(&data, false, NULL); 2793 if (!session) 2794 return -1; 2795 2796 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 2797 2798 scripts_dir = opendir(scripts_path); 2799 if (!scripts_dir) { 2800 perf_session__delete(session); 2801 return -1; 2802 } 2803 2804 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 2805 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, 2806 lang_dirent->d_name); 2807 #ifndef HAVE_LIBPERL_SUPPORT 2808 if (strstr(lang_path, "perl")) 2809 continue; 2810 #endif 2811 #ifndef HAVE_LIBPYTHON_SUPPORT 2812 if (strstr(lang_path, "python")) 2813 continue; 2814 #endif 2815 2816 lang_dir = opendir(lang_path); 2817 if (!lang_dir) 2818 continue; 2819 2820 for_each_script(lang_path, lang_dir, script_dirent) { 2821 /* Skip those real time scripts: xxxtop.p[yl] */ 2822 if (strstr(script_dirent->d_name, "top.")) 2823 continue; 2824 sprintf(scripts_path_array[i], "%s/%s", lang_path, 2825 script_dirent->d_name); 2826 temp = strchr(script_dirent->d_name, '.'); 2827 snprintf(scripts_array[i], 2828 (temp - script_dirent->d_name) + 1, 2829 "%s", script_dirent->d_name); 2830 2831 if (check_ev_match(lang_path, 2832 scripts_array[i], session)) 2833 continue; 2834 2835 i++; 2836 } 2837 closedir(lang_dir); 2838 } 2839 2840 closedir(scripts_dir); 2841 perf_session__delete(session); 2842 return i; 2843 } 2844 2845 static char *get_script_path(const char *script_root, const char *suffix) 2846 { 2847 struct dirent *script_dirent, *lang_dirent; 2848 char scripts_path[MAXPATHLEN]; 2849 char script_path[MAXPATHLEN]; 2850 DIR *scripts_dir, *lang_dir; 2851 char lang_path[MAXPATHLEN]; 2852 char *__script_root; 2853 2854 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 2855 2856 scripts_dir = opendir(scripts_path); 2857 if (!scripts_dir) 2858 return NULL; 2859 2860 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 2861 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 2862 lang_dirent->d_name); 2863 lang_dir = opendir(lang_path); 2864 if (!lang_dir) 2865 continue; 2866 2867 for_each_script(lang_path, lang_dir, script_dirent) { 2868 __script_root = get_script_root(script_dirent, suffix); 2869 if (__script_root && !strcmp(script_root, __script_root)) { 2870 free(__script_root); 2871 closedir(lang_dir); 2872 closedir(scripts_dir); 2873 scnprintf(script_path, MAXPATHLEN, "%s/%s", 2874 lang_path, script_dirent->d_name); 2875 return strdup(script_path); 2876 } 2877 free(__script_root); 2878 } 2879 closedir(lang_dir); 2880 } 2881 closedir(scripts_dir); 2882 2883 return NULL; 2884 } 2885 2886 static bool is_top_script(const char *script_path) 2887 { 2888 return ends_with(script_path, "top") == NULL ? false : true; 2889 } 2890 2891 static int has_required_arg(char *script_path) 2892 { 2893 struct script_desc *desc; 2894 int n_args = 0; 2895 char *p; 2896 2897 desc = script_desc__new(NULL); 2898 2899 if (read_script_info(desc, script_path)) 2900 goto out; 2901 2902 if (!desc->args) 2903 goto out; 2904 2905 for (p = desc->args; *p; p++) 2906 if (*p == '<') 2907 n_args++; 2908 out: 2909 script_desc__delete(desc); 2910 2911 return n_args; 2912 } 2913 2914 static int have_cmd(int argc, const char **argv) 2915 { 2916 char **__argv = malloc(sizeof(const char *) * argc); 2917 2918 if (!__argv) { 2919 pr_err("malloc failed\n"); 2920 return -1; 2921 } 2922 2923 memcpy(__argv, argv, sizeof(const char *) * argc); 2924 argc = parse_options(argc, (const char **)__argv, record_options, 2925 NULL, PARSE_OPT_STOP_AT_NON_OPTION); 2926 free(__argv); 2927 2928 system_wide = (argc == 0); 2929 2930 return 0; 2931 } 2932 2933 static void script__setup_sample_type(struct perf_script *script) 2934 { 2935 struct perf_session *session = script->session; 2936 u64 sample_type = perf_evlist__combined_sample_type(session->evlist); 2937 2938 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) { 2939 if ((sample_type & PERF_SAMPLE_REGS_USER) && 2940 (sample_type & PERF_SAMPLE_STACK_USER)) { 2941 callchain_param.record_mode = CALLCHAIN_DWARF; 2942 dwarf_callchain_users = true; 2943 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK) 2944 callchain_param.record_mode = CALLCHAIN_LBR; 2945 else 2946 callchain_param.record_mode = CALLCHAIN_FP; 2947 } 2948 } 2949 2950 static int process_stat_round_event(struct perf_tool *tool __maybe_unused, 2951 union perf_event *event, 2952 struct perf_session *session) 2953 { 2954 struct stat_round_event *round = &event->stat_round; 2955 struct perf_evsel *counter; 2956 2957 evlist__for_each_entry(session->evlist, counter) { 2958 perf_stat_process_counter(&stat_config, counter); 2959 process_stat(counter, round->time); 2960 } 2961 2962 process_stat_interval(round->time); 2963 return 0; 2964 } 2965 2966 static int process_stat_config_event(struct perf_tool *tool __maybe_unused, 2967 union perf_event *event, 2968 struct perf_session *session __maybe_unused) 2969 { 2970 perf_event__read_stat_config(&stat_config, &event->stat_config); 2971 return 0; 2972 } 2973 2974 static int set_maps(struct perf_script *script) 2975 { 2976 struct perf_evlist *evlist = script->session->evlist; 2977 2978 if (!script->cpus || !script->threads) 2979 return 0; 2980 2981 if (WARN_ONCE(script->allocated, "stats double allocation\n")) 2982 return -EINVAL; 2983 2984 perf_evlist__set_maps(evlist, script->cpus, script->threads); 2985 2986 if (perf_evlist__alloc_stats(evlist, true)) 2987 return -ENOMEM; 2988 2989 script->allocated = true; 2990 return 0; 2991 } 2992 2993 static 2994 int process_thread_map_event(struct perf_tool *tool, 2995 union perf_event *event, 2996 struct perf_session *session __maybe_unused) 2997 { 2998 struct perf_script *script = container_of(tool, struct perf_script, tool); 2999 3000 if (script->threads) { 3001 pr_warning("Extra thread map event, ignoring.\n"); 3002 return 0; 3003 } 3004 3005 script->threads = thread_map__new_event(&event->thread_map); 3006 if (!script->threads) 3007 return -ENOMEM; 3008 3009 return set_maps(script); 3010 } 3011 3012 static 3013 int process_cpu_map_event(struct perf_tool *tool __maybe_unused, 3014 union perf_event *event, 3015 struct perf_session *session __maybe_unused) 3016 { 3017 struct perf_script *script = container_of(tool, struct perf_script, tool); 3018 3019 if (script->cpus) { 3020 pr_warning("Extra cpu map event, ignoring.\n"); 3021 return 0; 3022 } 3023 3024 script->cpus = cpu_map__new_data(&event->cpu_map.data); 3025 if (!script->cpus) 3026 return -ENOMEM; 3027 3028 return set_maps(script); 3029 } 3030 3031 #ifdef HAVE_AUXTRACE_SUPPORT 3032 static int perf_script__process_auxtrace_info(struct perf_tool *tool, 3033 union perf_event *event, 3034 struct perf_session *session) 3035 { 3036 int ret = perf_event__process_auxtrace_info(tool, event, session); 3037 3038 if (ret == 0) { 3039 struct perf_script *script = container_of(tool, struct perf_script, tool); 3040 3041 ret = perf_script__setup_per_event_dump(script); 3042 } 3043 3044 return ret; 3045 } 3046 #else 3047 #define perf_script__process_auxtrace_info 0 3048 #endif 3049 3050 int cmd_script(int argc, const char **argv) 3051 { 3052 bool show_full_info = false; 3053 bool header = false; 3054 bool header_only = false; 3055 bool script_started = false; 3056 char *rec_script_path = NULL; 3057 char *rep_script_path = NULL; 3058 struct perf_session *session; 3059 struct itrace_synth_opts itrace_synth_opts = { .set = false, }; 3060 char *script_path = NULL; 3061 const char **__argv; 3062 int i, j, err = 0; 3063 struct perf_script script = { 3064 .tool = { 3065 .sample = process_sample_event, 3066 .mmap = perf_event__process_mmap, 3067 .mmap2 = perf_event__process_mmap2, 3068 .comm = perf_event__process_comm, 3069 .namespaces = perf_event__process_namespaces, 3070 .exit = perf_event__process_exit, 3071 .fork = perf_event__process_fork, 3072 .attr = process_attr, 3073 .event_update = perf_event__process_event_update, 3074 .tracing_data = perf_event__process_tracing_data, 3075 .feature = perf_event__process_feature, 3076 .build_id = perf_event__process_build_id, 3077 .id_index = perf_event__process_id_index, 3078 .auxtrace_info = perf_script__process_auxtrace_info, 3079 .auxtrace = perf_event__process_auxtrace, 3080 .auxtrace_error = perf_event__process_auxtrace_error, 3081 .stat = perf_event__process_stat_event, 3082 .stat_round = process_stat_round_event, 3083 .stat_config = process_stat_config_event, 3084 .thread_map = process_thread_map_event, 3085 .cpu_map = process_cpu_map_event, 3086 .ordered_events = true, 3087 .ordering_requires_timestamps = true, 3088 }, 3089 }; 3090 struct perf_data data = { 3091 .mode = PERF_DATA_MODE_READ, 3092 }; 3093 const struct option options[] = { 3094 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 3095 "dump raw trace in ASCII"), 3096 OPT_INCR('v', "verbose", &verbose, 3097 "be more verbose (show symbol address, etc)"), 3098 OPT_BOOLEAN('L', "Latency", &latency_format, 3099 "show latency attributes (irqs/preemption disabled, etc)"), 3100 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", 3101 list_available_scripts), 3102 OPT_CALLBACK('s', "script", NULL, "name", 3103 "script file name (lang:script name, script name, or *)", 3104 parse_scriptname), 3105 OPT_STRING('g', "gen-script", &generate_script_lang, "lang", 3106 "generate perf-script.xx script in specified language"), 3107 OPT_STRING('i', "input", &input_name, "file", "input file name"), 3108 OPT_BOOLEAN('d', "debug-mode", &debug_mode, 3109 "do various checks like samples ordering and lost events"), 3110 OPT_BOOLEAN(0, "header", &header, "Show data header."), 3111 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."), 3112 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 3113 "file", "vmlinux pathname"), 3114 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 3115 "file", "kallsyms pathname"), 3116 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, 3117 "When printing symbols do not display call chain"), 3118 OPT_CALLBACK(0, "symfs", NULL, "directory", 3119 "Look for files with symbols relative to this directory", 3120 symbol__config_symfs), 3121 OPT_CALLBACK('F', "fields", NULL, "str", 3122 "comma separated output fields prepend with 'type:'. " 3123 "+field to add and -field to remove." 3124 "Valid types: hw,sw,trace,raw,synth. " 3125 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso," 3126 "addr,symoff,period,iregs,uregs,brstack,brstacksym,flags," 3127 "bpf-output,callindent,insn,insnlen,brstackinsn,synth,phys_addr", 3128 parse_output_fields), 3129 OPT_BOOLEAN('a', "all-cpus", &system_wide, 3130 "system-wide collection from all CPUs"), 3131 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 3132 "only consider these symbols"), 3133 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]", 3134 "Stop display of callgraph at these symbols"), 3135 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), 3136 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 3137 "only display events for these comms"), 3138 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 3139 "only consider symbols in these pids"), 3140 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 3141 "only consider symbols in these tids"), 3142 OPT_UINTEGER(0, "max-stack", &scripting_max_stack, 3143 "Set the maximum stack depth when parsing the callchain, " 3144 "anything beyond the specified depth will be ignored. " 3145 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 3146 OPT_BOOLEAN('I', "show-info", &show_full_info, 3147 "display extended information from perf.data file"), 3148 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, 3149 "Show the path of [kernel.kallsyms]"), 3150 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, 3151 "Show the fork/comm/exit events"), 3152 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, 3153 "Show the mmap events"), 3154 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events, 3155 "Show context switch events (if recorded)"), 3156 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events, 3157 "Show namespace events (if recorded)"), 3158 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events, 3159 "Show lost events (if recorded)"), 3160 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events, 3161 "Show round events (if recorded)"), 3162 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump, 3163 "Dump trace output to files named by the monitored events"), 3164 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 3165 OPT_INTEGER(0, "max-blocks", &max_blocks, 3166 "Maximum number of code blocks to dump with brstackinsn"), 3167 OPT_BOOLEAN(0, "ns", &nanosecs, 3168 "Use 9 decimal places when displaying time"), 3169 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 3170 "Instruction Tracing options", 3171 itrace_parse_synth_opts), 3172 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 3173 "Show full source file name path for source lines"), 3174 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 3175 "Enable symbol demangling"), 3176 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 3177 "Enable kernel symbol demangling"), 3178 OPT_STRING(0, "time", &script.time_str, "str", 3179 "Time span of interest (start,stop)"), 3180 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 3181 "Show inline function"), 3182 OPT_END() 3183 }; 3184 const char * const script_subcommands[] = { "record", "report", NULL }; 3185 const char *script_usage[] = { 3186 "perf script [<options>]", 3187 "perf script [<options>] record <script> [<record-options>] <command>", 3188 "perf script [<options>] report <script> [script-args]", 3189 "perf script [<options>] <script> [<record-options>] <command>", 3190 "perf script [<options>] <top-script> [script-args]", 3191 NULL 3192 }; 3193 3194 perf_set_singlethreaded(); 3195 3196 setup_scripting(); 3197 3198 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage, 3199 PARSE_OPT_STOP_AT_NON_OPTION); 3200 3201 data.file.path = input_name; 3202 data.force = symbol_conf.force; 3203 3204 if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) { 3205 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); 3206 if (!rec_script_path) 3207 return cmd_record(argc, argv); 3208 } 3209 3210 if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) { 3211 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); 3212 if (!rep_script_path) { 3213 fprintf(stderr, 3214 "Please specify a valid report script" 3215 "(see 'perf script -l' for listing)\n"); 3216 return -1; 3217 } 3218 } 3219 3220 if (itrace_synth_opts.callchain && 3221 itrace_synth_opts.callchain_sz > scripting_max_stack) 3222 scripting_max_stack = itrace_synth_opts.callchain_sz; 3223 3224 /* make sure PERF_EXEC_PATH is set for scripts */ 3225 set_argv_exec_path(get_argv_exec_path()); 3226 3227 if (argc && !script_name && !rec_script_path && !rep_script_path) { 3228 int live_pipe[2]; 3229 int rep_args; 3230 pid_t pid; 3231 3232 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); 3233 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); 3234 3235 if (!rec_script_path && !rep_script_path) { 3236 usage_with_options_msg(script_usage, options, 3237 "Couldn't find script `%s'\n\n See perf" 3238 " script -l for available scripts.\n", argv[0]); 3239 } 3240 3241 if (is_top_script(argv[0])) { 3242 rep_args = argc - 1; 3243 } else { 3244 int rec_args; 3245 3246 rep_args = has_required_arg(rep_script_path); 3247 rec_args = (argc - 1) - rep_args; 3248 if (rec_args < 0) { 3249 usage_with_options_msg(script_usage, options, 3250 "`%s' script requires options." 3251 "\n\n See perf script -l for available " 3252 "scripts and options.\n", argv[0]); 3253 } 3254 } 3255 3256 if (pipe(live_pipe) < 0) { 3257 perror("failed to create pipe"); 3258 return -1; 3259 } 3260 3261 pid = fork(); 3262 if (pid < 0) { 3263 perror("failed to fork"); 3264 return -1; 3265 } 3266 3267 if (!pid) { 3268 j = 0; 3269 3270 dup2(live_pipe[1], 1); 3271 close(live_pipe[0]); 3272 3273 if (is_top_script(argv[0])) { 3274 system_wide = true; 3275 } else if (!system_wide) { 3276 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { 3277 err = -1; 3278 goto out; 3279 } 3280 } 3281 3282 __argv = malloc((argc + 6) * sizeof(const char *)); 3283 if (!__argv) { 3284 pr_err("malloc failed\n"); 3285 err = -ENOMEM; 3286 goto out; 3287 } 3288 3289 __argv[j++] = "/bin/sh"; 3290 __argv[j++] = rec_script_path; 3291 if (system_wide) 3292 __argv[j++] = "-a"; 3293 __argv[j++] = "-q"; 3294 __argv[j++] = "-o"; 3295 __argv[j++] = "-"; 3296 for (i = rep_args + 1; i < argc; i++) 3297 __argv[j++] = argv[i]; 3298 __argv[j++] = NULL; 3299 3300 execvp("/bin/sh", (char **)__argv); 3301 free(__argv); 3302 exit(-1); 3303 } 3304 3305 dup2(live_pipe[0], 0); 3306 close(live_pipe[1]); 3307 3308 __argv = malloc((argc + 4) * sizeof(const char *)); 3309 if (!__argv) { 3310 pr_err("malloc failed\n"); 3311 err = -ENOMEM; 3312 goto out; 3313 } 3314 3315 j = 0; 3316 __argv[j++] = "/bin/sh"; 3317 __argv[j++] = rep_script_path; 3318 for (i = 1; i < rep_args + 1; i++) 3319 __argv[j++] = argv[i]; 3320 __argv[j++] = "-i"; 3321 __argv[j++] = "-"; 3322 __argv[j++] = NULL; 3323 3324 execvp("/bin/sh", (char **)__argv); 3325 free(__argv); 3326 exit(-1); 3327 } 3328 3329 if (rec_script_path) 3330 script_path = rec_script_path; 3331 if (rep_script_path) 3332 script_path = rep_script_path; 3333 3334 if (script_path) { 3335 j = 0; 3336 3337 if (!rec_script_path) 3338 system_wide = false; 3339 else if (!system_wide) { 3340 if (have_cmd(argc - 1, &argv[1]) != 0) { 3341 err = -1; 3342 goto out; 3343 } 3344 } 3345 3346 __argv = malloc((argc + 2) * sizeof(const char *)); 3347 if (!__argv) { 3348 pr_err("malloc failed\n"); 3349 err = -ENOMEM; 3350 goto out; 3351 } 3352 3353 __argv[j++] = "/bin/sh"; 3354 __argv[j++] = script_path; 3355 if (system_wide) 3356 __argv[j++] = "-a"; 3357 for (i = 2; i < argc; i++) 3358 __argv[j++] = argv[i]; 3359 __argv[j++] = NULL; 3360 3361 execvp("/bin/sh", (char **)__argv); 3362 free(__argv); 3363 exit(-1); 3364 } 3365 3366 if (!script_name) 3367 setup_pager(); 3368 3369 session = perf_session__new(&data, false, &script.tool); 3370 if (session == NULL) 3371 return -1; 3372 3373 if (header || header_only) { 3374 script.tool.show_feat_hdr = SHOW_FEAT_HEADER; 3375 perf_session__fprintf_info(session, stdout, show_full_info); 3376 if (header_only) 3377 goto out_delete; 3378 } 3379 if (show_full_info) 3380 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 3381 3382 if (symbol__init(&session->header.env) < 0) 3383 goto out_delete; 3384 3385 script.session = session; 3386 script__setup_sample_type(&script); 3387 3388 if (output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) 3389 itrace_synth_opts.thread_stack = true; 3390 3391 session->itrace_synth_opts = &itrace_synth_opts; 3392 3393 if (cpu_list) { 3394 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap); 3395 if (err < 0) 3396 goto out_delete; 3397 itrace_synth_opts.cpu_bitmap = cpu_bitmap; 3398 } 3399 3400 if (!no_callchain) 3401 symbol_conf.use_callchain = true; 3402 else 3403 symbol_conf.use_callchain = false; 3404 3405 if (session->tevent.pevent && 3406 pevent_set_function_resolver(session->tevent.pevent, 3407 machine__resolve_kernel_addr, 3408 &session->machines.host) < 0) { 3409 pr_err("%s: failed to set libtraceevent function resolver\n", __func__); 3410 err = -1; 3411 goto out_delete; 3412 } 3413 3414 if (generate_script_lang) { 3415 struct stat perf_stat; 3416 int input; 3417 3418 if (output_set_by_user()) { 3419 fprintf(stderr, 3420 "custom fields not supported for generated scripts"); 3421 err = -EINVAL; 3422 goto out_delete; 3423 } 3424 3425 input = open(data.file.path, O_RDONLY); /* input_name */ 3426 if (input < 0) { 3427 err = -errno; 3428 perror("failed to open file"); 3429 goto out_delete; 3430 } 3431 3432 err = fstat(input, &perf_stat); 3433 if (err < 0) { 3434 perror("failed to stat file"); 3435 goto out_delete; 3436 } 3437 3438 if (!perf_stat.st_size) { 3439 fprintf(stderr, "zero-sized file, nothing to do!\n"); 3440 goto out_delete; 3441 } 3442 3443 scripting_ops = script_spec__lookup(generate_script_lang); 3444 if (!scripting_ops) { 3445 fprintf(stderr, "invalid language specifier"); 3446 err = -ENOENT; 3447 goto out_delete; 3448 } 3449 3450 err = scripting_ops->generate_script(session->tevent.pevent, 3451 "perf-script"); 3452 goto out_delete; 3453 } 3454 3455 if (script_name) { 3456 err = scripting_ops->start_script(script_name, argc, argv); 3457 if (err) 3458 goto out_delete; 3459 pr_debug("perf script started with script %s\n\n", script_name); 3460 script_started = true; 3461 } 3462 3463 3464 err = perf_session__check_output_opt(session); 3465 if (err < 0) 3466 goto out_delete; 3467 3468 script.ptime_range = perf_time__range_alloc(script.time_str, 3469 &script.range_size); 3470 if (!script.ptime_range) { 3471 err = -ENOMEM; 3472 goto out_delete; 3473 } 3474 3475 /* needs to be parsed after looking up reference time */ 3476 if (perf_time__parse_str(script.ptime_range, script.time_str) != 0) { 3477 if (session->evlist->first_sample_time == 0 && 3478 session->evlist->last_sample_time == 0) { 3479 pr_err("HINT: no first/last sample time found in perf data.\n" 3480 "Please use latest perf binary to execute 'perf record'\n" 3481 "(if '--buildid-all' is enabled, please set '--timestamp-boundary').\n"); 3482 err = -EINVAL; 3483 goto out_delete; 3484 } 3485 3486 script.range_num = perf_time__percent_parse_str( 3487 script.ptime_range, script.range_size, 3488 script.time_str, 3489 session->evlist->first_sample_time, 3490 session->evlist->last_sample_time); 3491 3492 if (script.range_num < 0) { 3493 pr_err("Invalid time string\n"); 3494 err = -EINVAL; 3495 goto out_delete; 3496 } 3497 } else { 3498 script.range_num = 1; 3499 } 3500 3501 err = __cmd_script(&script); 3502 3503 flush_scripting(); 3504 3505 out_delete: 3506 zfree(&script.ptime_range); 3507 3508 perf_evlist__free_stats(session->evlist); 3509 perf_session__delete(session); 3510 3511 if (script_started) 3512 cleanup_scripting(); 3513 out: 3514 return err; 3515 } 3516