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 #include <subcmd/pager.h> 48 49 #include "sane_ctype.h" 50 51 static char const *script_name; 52 static char const *generate_script_lang; 53 static bool debug_mode; 54 static u64 last_timestamp; 55 static u64 nr_unordered; 56 static bool no_callchain; 57 static bool latency_format; 58 static bool system_wide; 59 static bool print_flags; 60 static bool nanosecs; 61 static const char *cpu_list; 62 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); 63 static struct perf_stat_config stat_config; 64 static int max_blocks; 65 66 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH; 67 68 enum perf_output_field { 69 PERF_OUTPUT_COMM = 1U << 0, 70 PERF_OUTPUT_TID = 1U << 1, 71 PERF_OUTPUT_PID = 1U << 2, 72 PERF_OUTPUT_TIME = 1U << 3, 73 PERF_OUTPUT_CPU = 1U << 4, 74 PERF_OUTPUT_EVNAME = 1U << 5, 75 PERF_OUTPUT_TRACE = 1U << 6, 76 PERF_OUTPUT_IP = 1U << 7, 77 PERF_OUTPUT_SYM = 1U << 8, 78 PERF_OUTPUT_DSO = 1U << 9, 79 PERF_OUTPUT_ADDR = 1U << 10, 80 PERF_OUTPUT_SYMOFFSET = 1U << 11, 81 PERF_OUTPUT_SRCLINE = 1U << 12, 82 PERF_OUTPUT_PERIOD = 1U << 13, 83 PERF_OUTPUT_IREGS = 1U << 14, 84 PERF_OUTPUT_BRSTACK = 1U << 15, 85 PERF_OUTPUT_BRSTACKSYM = 1U << 16, 86 PERF_OUTPUT_DATA_SRC = 1U << 17, 87 PERF_OUTPUT_WEIGHT = 1U << 18, 88 PERF_OUTPUT_BPF_OUTPUT = 1U << 19, 89 PERF_OUTPUT_CALLINDENT = 1U << 20, 90 PERF_OUTPUT_INSN = 1U << 21, 91 PERF_OUTPUT_INSNLEN = 1U << 22, 92 PERF_OUTPUT_BRSTACKINSN = 1U << 23, 93 PERF_OUTPUT_BRSTACKOFF = 1U << 24, 94 PERF_OUTPUT_SYNTH = 1U << 25, 95 PERF_OUTPUT_PHYS_ADDR = 1U << 26, 96 PERF_OUTPUT_UREGS = 1U << 27, 97 PERF_OUTPUT_METRIC = 1U << 28, 98 PERF_OUTPUT_MISC = 1U << 29, 99 }; 100 101 struct output_option { 102 const char *str; 103 enum perf_output_field field; 104 } all_output_options[] = { 105 {.str = "comm", .field = PERF_OUTPUT_COMM}, 106 {.str = "tid", .field = PERF_OUTPUT_TID}, 107 {.str = "pid", .field = PERF_OUTPUT_PID}, 108 {.str = "time", .field = PERF_OUTPUT_TIME}, 109 {.str = "cpu", .field = PERF_OUTPUT_CPU}, 110 {.str = "event", .field = PERF_OUTPUT_EVNAME}, 111 {.str = "trace", .field = PERF_OUTPUT_TRACE}, 112 {.str = "ip", .field = PERF_OUTPUT_IP}, 113 {.str = "sym", .field = PERF_OUTPUT_SYM}, 114 {.str = "dso", .field = PERF_OUTPUT_DSO}, 115 {.str = "addr", .field = PERF_OUTPUT_ADDR}, 116 {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET}, 117 {.str = "srcline", .field = PERF_OUTPUT_SRCLINE}, 118 {.str = "period", .field = PERF_OUTPUT_PERIOD}, 119 {.str = "iregs", .field = PERF_OUTPUT_IREGS}, 120 {.str = "uregs", .field = PERF_OUTPUT_UREGS}, 121 {.str = "brstack", .field = PERF_OUTPUT_BRSTACK}, 122 {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM}, 123 {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC}, 124 {.str = "weight", .field = PERF_OUTPUT_WEIGHT}, 125 {.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT}, 126 {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT}, 127 {.str = "insn", .field = PERF_OUTPUT_INSN}, 128 {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN}, 129 {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN}, 130 {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF}, 131 {.str = "synth", .field = PERF_OUTPUT_SYNTH}, 132 {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR}, 133 {.str = "metric", .field = PERF_OUTPUT_METRIC}, 134 {.str = "misc", .field = PERF_OUTPUT_MISC}, 135 }; 136 137 enum { 138 OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX, 139 OUTPUT_TYPE_MAX 140 }; 141 142 /* default set to maintain compatibility with current format */ 143 static struct { 144 bool user_set; 145 bool wildcard_set; 146 unsigned int print_ip_opts; 147 u64 fields; 148 u64 invalid_fields; 149 } output[OUTPUT_TYPE_MAX] = { 150 151 [PERF_TYPE_HARDWARE] = { 152 .user_set = false, 153 154 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 155 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 156 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 157 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 158 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 159 160 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 161 }, 162 163 [PERF_TYPE_SOFTWARE] = { 164 .user_set = false, 165 166 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 167 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 168 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 169 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 170 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 171 PERF_OUTPUT_BPF_OUTPUT, 172 173 .invalid_fields = PERF_OUTPUT_TRACE, 174 }, 175 176 [PERF_TYPE_TRACEPOINT] = { 177 .user_set = false, 178 179 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 180 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 181 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE 182 }, 183 184 [PERF_TYPE_HW_CACHE] = { 185 .user_set = false, 186 187 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 188 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 189 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 190 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 191 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 192 193 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 194 }, 195 196 [PERF_TYPE_RAW] = { 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_SYMOFFSET | 203 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 204 PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC | 205 PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR, 206 207 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 208 }, 209 210 [PERF_TYPE_BREAKPOINT] = { 211 .user_set = false, 212 213 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 214 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 215 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 216 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 217 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 218 219 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 220 }, 221 222 [OUTPUT_TYPE_SYNTH] = { 223 .user_set = false, 224 225 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 226 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 227 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 228 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 229 PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH, 230 231 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 232 }, 233 }; 234 235 struct perf_evsel_script { 236 char *filename; 237 FILE *fp; 238 u64 samples; 239 /* For metric output */ 240 u64 val; 241 int gnum; 242 }; 243 244 static inline struct perf_evsel_script *evsel_script(struct perf_evsel *evsel) 245 { 246 return (struct perf_evsel_script *)evsel->priv; 247 } 248 249 static struct perf_evsel_script *perf_evsel_script__new(struct perf_evsel *evsel, 250 struct perf_data *data) 251 { 252 struct perf_evsel_script *es = zalloc(sizeof(*es)); 253 254 if (es != NULL) { 255 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, perf_evsel__name(evsel)) < 0) 256 goto out_free; 257 es->fp = fopen(es->filename, "w"); 258 if (es->fp == NULL) 259 goto out_free_filename; 260 } 261 262 return es; 263 out_free_filename: 264 zfree(&es->filename); 265 out_free: 266 free(es); 267 return NULL; 268 } 269 270 static void perf_evsel_script__delete(struct perf_evsel_script *es) 271 { 272 zfree(&es->filename); 273 fclose(es->fp); 274 es->fp = NULL; 275 free(es); 276 } 277 278 static int perf_evsel_script__fprintf(struct perf_evsel_script *es, FILE *fp) 279 { 280 struct stat st; 281 282 fstat(fileno(es->fp), &st); 283 return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n", 284 st.st_size / 1024.0 / 1024.0, es->filename, es->samples); 285 } 286 287 static inline int output_type(unsigned int type) 288 { 289 switch (type) { 290 case PERF_TYPE_SYNTH: 291 return OUTPUT_TYPE_SYNTH; 292 default: 293 return type; 294 } 295 } 296 297 static inline unsigned int attr_type(unsigned int type) 298 { 299 switch (type) { 300 case OUTPUT_TYPE_SYNTH: 301 return PERF_TYPE_SYNTH; 302 default: 303 return type; 304 } 305 } 306 307 static bool output_set_by_user(void) 308 { 309 int j; 310 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 311 if (output[j].user_set) 312 return true; 313 } 314 return false; 315 } 316 317 static const char *output_field2str(enum perf_output_field field) 318 { 319 int i, imax = ARRAY_SIZE(all_output_options); 320 const char *str = ""; 321 322 for (i = 0; i < imax; ++i) { 323 if (all_output_options[i].field == field) { 324 str = all_output_options[i].str; 325 break; 326 } 327 } 328 return str; 329 } 330 331 #define PRINT_FIELD(x) (output[output_type(attr->type)].fields & PERF_OUTPUT_##x) 332 333 static int perf_evsel__do_check_stype(struct perf_evsel *evsel, 334 u64 sample_type, const char *sample_msg, 335 enum perf_output_field field, 336 bool allow_user_set) 337 { 338 struct perf_event_attr *attr = &evsel->attr; 339 int type = output_type(attr->type); 340 const char *evname; 341 342 if (attr->sample_type & sample_type) 343 return 0; 344 345 if (output[type].user_set) { 346 if (allow_user_set) 347 return 0; 348 evname = perf_evsel__name(evsel); 349 pr_err("Samples for '%s' event do not have %s attribute set. " 350 "Cannot print '%s' field.\n", 351 evname, sample_msg, output_field2str(field)); 352 return -1; 353 } 354 355 /* user did not ask for it explicitly so remove from the default list */ 356 output[type].fields &= ~field; 357 evname = perf_evsel__name(evsel); 358 pr_debug("Samples for '%s' event do not have %s attribute set. " 359 "Skipping '%s' field.\n", 360 evname, sample_msg, output_field2str(field)); 361 362 return 0; 363 } 364 365 static int perf_evsel__check_stype(struct perf_evsel *evsel, 366 u64 sample_type, const char *sample_msg, 367 enum perf_output_field field) 368 { 369 return perf_evsel__do_check_stype(evsel, sample_type, sample_msg, field, 370 false); 371 } 372 373 static int perf_evsel__check_attr(struct perf_evsel *evsel, 374 struct perf_session *session) 375 { 376 struct perf_event_attr *attr = &evsel->attr; 377 bool allow_user_set; 378 379 if (perf_header__has_feat(&session->header, HEADER_STAT)) 380 return 0; 381 382 allow_user_set = perf_header__has_feat(&session->header, 383 HEADER_AUXTRACE); 384 385 if (PRINT_FIELD(TRACE) && 386 !perf_session__has_traces(session, "record -R")) 387 return -EINVAL; 388 389 if (PRINT_FIELD(IP)) { 390 if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", 391 PERF_OUTPUT_IP)) 392 return -EINVAL; 393 } 394 395 if (PRINT_FIELD(ADDR) && 396 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", 397 PERF_OUTPUT_ADDR, allow_user_set)) 398 return -EINVAL; 399 400 if (PRINT_FIELD(DATA_SRC) && 401 perf_evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", 402 PERF_OUTPUT_DATA_SRC)) 403 return -EINVAL; 404 405 if (PRINT_FIELD(WEIGHT) && 406 perf_evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT", 407 PERF_OUTPUT_WEIGHT)) 408 return -EINVAL; 409 410 if (PRINT_FIELD(SYM) && 411 !(evsel->attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 412 pr_err("Display of symbols requested but neither sample IP nor " 413 "sample address\navailable. Hence, no addresses to convert " 414 "to symbols.\n"); 415 return -EINVAL; 416 } 417 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) { 418 pr_err("Display of offsets requested but symbol is not" 419 "selected.\n"); 420 return -EINVAL; 421 } 422 if (PRINT_FIELD(DSO) && 423 !(evsel->attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 424 pr_err("Display of DSO requested but no address to convert.\n"); 425 return -EINVAL; 426 } 427 if (PRINT_FIELD(SRCLINE) && !PRINT_FIELD(IP)) { 428 pr_err("Display of source line number requested but sample IP is not\n" 429 "selected. Hence, no address to lookup the source line number.\n"); 430 return -EINVAL; 431 } 432 if (PRINT_FIELD(BRSTACKINSN) && 433 !(perf_evlist__combined_branch_type(session->evlist) & 434 PERF_SAMPLE_BRANCH_ANY)) { 435 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n" 436 "Hint: run 'perf record -b ...'\n"); 437 return -EINVAL; 438 } 439 if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) && 440 perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", 441 PERF_OUTPUT_TID|PERF_OUTPUT_PID)) 442 return -EINVAL; 443 444 if (PRINT_FIELD(TIME) && 445 perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", 446 PERF_OUTPUT_TIME)) 447 return -EINVAL; 448 449 if (PRINT_FIELD(CPU) && 450 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", 451 PERF_OUTPUT_CPU, allow_user_set)) 452 return -EINVAL; 453 454 if (PRINT_FIELD(IREGS) && 455 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", 456 PERF_OUTPUT_IREGS)) 457 return -EINVAL; 458 459 if (PRINT_FIELD(UREGS) && 460 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", 461 PERF_OUTPUT_UREGS)) 462 return -EINVAL; 463 464 if (PRINT_FIELD(PHYS_ADDR) && 465 perf_evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", 466 PERF_OUTPUT_PHYS_ADDR)) 467 return -EINVAL; 468 469 return 0; 470 } 471 472 static void set_print_ip_opts(struct perf_event_attr *attr) 473 { 474 unsigned int type = output_type(attr->type); 475 476 output[type].print_ip_opts = 0; 477 if (PRINT_FIELD(IP)) 478 output[type].print_ip_opts |= EVSEL__PRINT_IP; 479 480 if (PRINT_FIELD(SYM)) 481 output[type].print_ip_opts |= EVSEL__PRINT_SYM; 482 483 if (PRINT_FIELD(DSO)) 484 output[type].print_ip_opts |= EVSEL__PRINT_DSO; 485 486 if (PRINT_FIELD(SYMOFFSET)) 487 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET; 488 489 if (PRINT_FIELD(SRCLINE)) 490 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE; 491 } 492 493 /* 494 * verify all user requested events exist and the samples 495 * have the expected data 496 */ 497 static int perf_session__check_output_opt(struct perf_session *session) 498 { 499 unsigned int j; 500 struct perf_evsel *evsel; 501 502 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 503 evsel = perf_session__find_first_evtype(session, attr_type(j)); 504 505 /* 506 * even if fields is set to 0 (ie., show nothing) event must 507 * exist if user explicitly includes it on the command line 508 */ 509 if (!evsel && output[j].user_set && !output[j].wildcard_set && 510 j != OUTPUT_TYPE_SYNTH) { 511 pr_err("%s events do not exist. " 512 "Remove corresponding -F option to proceed.\n", 513 event_type(j)); 514 return -1; 515 } 516 517 if (evsel && output[j].fields && 518 perf_evsel__check_attr(evsel, session)) 519 return -1; 520 521 if (evsel == NULL) 522 continue; 523 524 set_print_ip_opts(&evsel->attr); 525 } 526 527 if (!no_callchain) { 528 bool use_callchain = false; 529 bool not_pipe = false; 530 531 evlist__for_each_entry(session->evlist, evsel) { 532 not_pipe = true; 533 if (evsel__has_callchain(evsel)) { 534 use_callchain = true; 535 break; 536 } 537 } 538 if (not_pipe && !use_callchain) 539 symbol_conf.use_callchain = false; 540 } 541 542 /* 543 * set default for tracepoints to print symbols only 544 * if callchains are present 545 */ 546 if (symbol_conf.use_callchain && 547 !output[PERF_TYPE_TRACEPOINT].user_set) { 548 j = PERF_TYPE_TRACEPOINT; 549 550 evlist__for_each_entry(session->evlist, evsel) { 551 if (evsel->attr.type != j) 552 continue; 553 554 if (evsel__has_callchain(evsel)) { 555 output[j].fields |= PERF_OUTPUT_IP; 556 output[j].fields |= PERF_OUTPUT_SYM; 557 output[j].fields |= PERF_OUTPUT_SYMOFFSET; 558 output[j].fields |= PERF_OUTPUT_DSO; 559 set_print_ip_opts(&evsel->attr); 560 goto out; 561 } 562 } 563 } 564 565 out: 566 return 0; 567 } 568 569 static int perf_sample__fprintf_iregs(struct perf_sample *sample, 570 struct perf_event_attr *attr, FILE *fp) 571 { 572 struct regs_dump *regs = &sample->intr_regs; 573 uint64_t mask = attr->sample_regs_intr; 574 unsigned i = 0, r; 575 int printed = 0; 576 577 if (!regs) 578 return 0; 579 580 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) { 581 u64 val = regs->regs[i++]; 582 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val); 583 } 584 585 return printed; 586 } 587 588 static int perf_sample__fprintf_uregs(struct perf_sample *sample, 589 struct perf_event_attr *attr, FILE *fp) 590 { 591 struct regs_dump *regs = &sample->user_regs; 592 uint64_t mask = attr->sample_regs_user; 593 unsigned i = 0, r; 594 int printed = 0; 595 596 if (!regs || !regs->regs) 597 return 0; 598 599 printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi); 600 601 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) { 602 u64 val = regs->regs[i++]; 603 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val); 604 } 605 606 return printed; 607 } 608 609 static int perf_sample__fprintf_start(struct perf_sample *sample, 610 struct thread *thread, 611 struct perf_evsel *evsel, 612 u32 type, FILE *fp) 613 { 614 struct perf_event_attr *attr = &evsel->attr; 615 unsigned long secs; 616 unsigned long long nsecs; 617 int printed = 0; 618 619 if (PRINT_FIELD(COMM)) { 620 if (latency_format) 621 printed += fprintf(fp, "%8.8s ", thread__comm_str(thread)); 622 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain) 623 printed += fprintf(fp, "%s ", thread__comm_str(thread)); 624 else 625 printed += fprintf(fp, "%16s ", thread__comm_str(thread)); 626 } 627 628 if (PRINT_FIELD(PID) && PRINT_FIELD(TID)) 629 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid); 630 else if (PRINT_FIELD(PID)) 631 printed += fprintf(fp, "%5d ", sample->pid); 632 else if (PRINT_FIELD(TID)) 633 printed += fprintf(fp, "%5d ", sample->tid); 634 635 if (PRINT_FIELD(CPU)) { 636 if (latency_format) 637 printed += fprintf(fp, "%3d ", sample->cpu); 638 else 639 printed += fprintf(fp, "[%03d] ", sample->cpu); 640 } 641 642 if (PRINT_FIELD(MISC)) { 643 int ret = 0; 644 645 #define has(m) \ 646 (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m 647 648 if (has(KERNEL)) 649 ret += fprintf(fp, "K"); 650 if (has(USER)) 651 ret += fprintf(fp, "U"); 652 if (has(HYPERVISOR)) 653 ret += fprintf(fp, "H"); 654 if (has(GUEST_KERNEL)) 655 ret += fprintf(fp, "G"); 656 if (has(GUEST_USER)) 657 ret += fprintf(fp, "g"); 658 659 switch (type) { 660 case PERF_RECORD_MMAP: 661 case PERF_RECORD_MMAP2: 662 if (has(MMAP_DATA)) 663 ret += fprintf(fp, "M"); 664 break; 665 case PERF_RECORD_COMM: 666 if (has(COMM_EXEC)) 667 ret += fprintf(fp, "E"); 668 break; 669 case PERF_RECORD_SWITCH: 670 case PERF_RECORD_SWITCH_CPU_WIDE: 671 if (has(SWITCH_OUT)) { 672 ret += fprintf(fp, "S"); 673 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT) 674 ret += fprintf(fp, "p"); 675 } 676 default: 677 break; 678 } 679 680 #undef has 681 682 ret += fprintf(fp, "%*s", 6 - ret, " "); 683 printed += ret; 684 } 685 686 if (PRINT_FIELD(TIME)) { 687 nsecs = sample->time; 688 secs = nsecs / NSEC_PER_SEC; 689 nsecs -= secs * NSEC_PER_SEC; 690 691 if (nanosecs) 692 printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs); 693 else { 694 char sample_time[32]; 695 timestamp__scnprintf_usec(sample->time, sample_time, sizeof(sample_time)); 696 printed += fprintf(fp, "%12s: ", sample_time); 697 } 698 } 699 700 return printed; 701 } 702 703 static inline char 704 mispred_str(struct branch_entry *br) 705 { 706 if (!(br->flags.mispred || br->flags.predicted)) 707 return '-'; 708 709 return br->flags.predicted ? 'P' : 'M'; 710 } 711 712 static int perf_sample__fprintf_brstack(struct perf_sample *sample, 713 struct thread *thread, 714 struct perf_event_attr *attr, FILE *fp) 715 { 716 struct branch_stack *br = sample->branch_stack; 717 struct addr_location alf, alt; 718 u64 i, from, to; 719 int printed = 0; 720 721 if (!(br && br->nr)) 722 return 0; 723 724 for (i = 0; i < br->nr; i++) { 725 from = br->entries[i].from; 726 to = br->entries[i].to; 727 728 if (PRINT_FIELD(DSO)) { 729 memset(&alf, 0, sizeof(alf)); 730 memset(&alt, 0, sizeof(alt)); 731 thread__find_map(thread, sample->cpumode, from, &alf); 732 thread__find_map(thread, sample->cpumode, to, &alt); 733 } 734 735 printed += fprintf(fp, " 0x%"PRIx64, from); 736 if (PRINT_FIELD(DSO)) { 737 printed += fprintf(fp, "("); 738 printed += map__fprintf_dsoname(alf.map, fp); 739 printed += fprintf(fp, ")"); 740 } 741 742 printed += fprintf(fp, "/0x%"PRIx64, to); 743 if (PRINT_FIELD(DSO)) { 744 printed += fprintf(fp, "("); 745 printed += map__fprintf_dsoname(alt.map, fp); 746 printed += fprintf(fp, ")"); 747 } 748 749 printed += fprintf(fp, "/%c/%c/%c/%d ", 750 mispred_str( br->entries + i), 751 br->entries[i].flags.in_tx? 'X' : '-', 752 br->entries[i].flags.abort? 'A' : '-', 753 br->entries[i].flags.cycles); 754 } 755 756 return printed; 757 } 758 759 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample, 760 struct thread *thread, 761 struct perf_event_attr *attr, FILE *fp) 762 { 763 struct branch_stack *br = sample->branch_stack; 764 struct addr_location alf, alt; 765 u64 i, from, to; 766 int printed = 0; 767 768 if (!(br && br->nr)) 769 return 0; 770 771 for (i = 0; i < br->nr; i++) { 772 773 memset(&alf, 0, sizeof(alf)); 774 memset(&alt, 0, sizeof(alt)); 775 from = br->entries[i].from; 776 to = br->entries[i].to; 777 778 thread__find_symbol(thread, sample->cpumode, from, &alf); 779 thread__find_symbol(thread, sample->cpumode, to, &alt); 780 781 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp); 782 if (PRINT_FIELD(DSO)) { 783 printed += fprintf(fp, "("); 784 printed += map__fprintf_dsoname(alf.map, fp); 785 printed += fprintf(fp, ")"); 786 } 787 printed += fprintf(fp, "%c", '/'); 788 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp); 789 if (PRINT_FIELD(DSO)) { 790 printed += fprintf(fp, "("); 791 printed += map__fprintf_dsoname(alt.map, fp); 792 printed += fprintf(fp, ")"); 793 } 794 printed += fprintf(fp, "/%c/%c/%c/%d ", 795 mispred_str( br->entries + i), 796 br->entries[i].flags.in_tx? 'X' : '-', 797 br->entries[i].flags.abort? 'A' : '-', 798 br->entries[i].flags.cycles); 799 } 800 801 return printed; 802 } 803 804 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample, 805 struct thread *thread, 806 struct perf_event_attr *attr, FILE *fp) 807 { 808 struct branch_stack *br = sample->branch_stack; 809 struct addr_location alf, alt; 810 u64 i, from, to; 811 int printed = 0; 812 813 if (!(br && br->nr)) 814 return 0; 815 816 for (i = 0; i < br->nr; i++) { 817 818 memset(&alf, 0, sizeof(alf)); 819 memset(&alt, 0, sizeof(alt)); 820 from = br->entries[i].from; 821 to = br->entries[i].to; 822 823 if (thread__find_map(thread, sample->cpumode, from, &alf) && 824 !alf.map->dso->adjust_symbols) 825 from = map__map_ip(alf.map, from); 826 827 if (thread__find_map(thread, sample->cpumode, to, &alt) && 828 !alt.map->dso->adjust_symbols) 829 to = map__map_ip(alt.map, to); 830 831 printed += fprintf(fp, " 0x%"PRIx64, from); 832 if (PRINT_FIELD(DSO)) { 833 printed += fprintf(fp, "("); 834 printed += map__fprintf_dsoname(alf.map, fp); 835 printed += fprintf(fp, ")"); 836 } 837 printed += fprintf(fp, "/0x%"PRIx64, to); 838 if (PRINT_FIELD(DSO)) { 839 printed += fprintf(fp, "("); 840 printed += map__fprintf_dsoname(alt.map, fp); 841 printed += fprintf(fp, ")"); 842 } 843 printed += fprintf(fp, "/%c/%c/%c/%d ", 844 mispred_str(br->entries + i), 845 br->entries[i].flags.in_tx ? 'X' : '-', 846 br->entries[i].flags.abort ? 'A' : '-', 847 br->entries[i].flags.cycles); 848 } 849 850 return printed; 851 } 852 #define MAXBB 16384UL 853 854 static int grab_bb(u8 *buffer, u64 start, u64 end, 855 struct machine *machine, struct thread *thread, 856 bool *is64bit, u8 *cpumode, bool last) 857 { 858 long offset, len; 859 struct addr_location al; 860 bool kernel; 861 862 if (!start || !end) 863 return 0; 864 865 kernel = machine__kernel_ip(machine, start); 866 if (kernel) 867 *cpumode = PERF_RECORD_MISC_KERNEL; 868 else 869 *cpumode = PERF_RECORD_MISC_USER; 870 871 /* 872 * Block overlaps between kernel and user. 873 * This can happen due to ring filtering 874 * On Intel CPUs the entry into the kernel is filtered, 875 * but the exit is not. Let the caller patch it up. 876 */ 877 if (kernel != machine__kernel_ip(machine, end)) { 878 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end); 879 return -ENXIO; 880 } 881 882 memset(&al, 0, sizeof(al)); 883 if (end - start > MAXBB - MAXINSN) { 884 if (last) 885 pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end); 886 else 887 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start); 888 return 0; 889 } 890 891 if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) { 892 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 893 return 0; 894 } 895 if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) { 896 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 897 return 0; 898 } 899 900 /* Load maps to ensure dso->is_64_bit has been updated */ 901 map__load(al.map); 902 903 offset = al.map->map_ip(al.map, start); 904 len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer, 905 end - start + MAXINSN); 906 907 *is64bit = al.map->dso->is_64_bit; 908 if (len <= 0) 909 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n", 910 start, end); 911 return len; 912 } 913 914 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en, 915 struct perf_insn *x, u8 *inbuf, int len, 916 int insn, FILE *fp, int *total_cycles) 917 { 918 int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip, 919 dump_insn(x, ip, inbuf, len, NULL), 920 en->flags.predicted ? " PRED" : "", 921 en->flags.mispred ? " MISPRED" : "", 922 en->flags.in_tx ? " INTX" : "", 923 en->flags.abort ? " ABORT" : ""); 924 if (en->flags.cycles) { 925 *total_cycles += en->flags.cycles; 926 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles); 927 if (insn) 928 printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles); 929 } 930 return printed + fprintf(fp, "\n"); 931 } 932 933 static int ip__fprintf_sym(uint64_t addr, struct thread *thread, 934 u8 cpumode, int cpu, struct symbol **lastsym, 935 struct perf_event_attr *attr, FILE *fp) 936 { 937 struct addr_location al; 938 int off, printed = 0; 939 940 memset(&al, 0, sizeof(al)); 941 942 thread__find_map(thread, cpumode, addr, &al); 943 944 if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end) 945 return 0; 946 947 al.cpu = cpu; 948 al.sym = NULL; 949 if (al.map) 950 al.sym = map__find_symbol(al.map, al.addr); 951 952 if (!al.sym) 953 return 0; 954 955 if (al.addr < al.sym->end) 956 off = al.addr - al.sym->start; 957 else 958 off = al.addr - al.map->start - al.sym->start; 959 printed += fprintf(fp, "\t%s", al.sym->name); 960 if (off) 961 printed += fprintf(fp, "%+d", off); 962 printed += fprintf(fp, ":"); 963 if (PRINT_FIELD(SRCLINE)) 964 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp); 965 printed += fprintf(fp, "\n"); 966 *lastsym = al.sym; 967 968 return printed; 969 } 970 971 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample, 972 struct thread *thread, 973 struct perf_event_attr *attr, 974 struct machine *machine, FILE *fp) 975 { 976 struct branch_stack *br = sample->branch_stack; 977 u64 start, end; 978 int i, insn, len, nr, ilen, printed = 0; 979 struct perf_insn x; 980 u8 buffer[MAXBB]; 981 unsigned off; 982 struct symbol *lastsym = NULL; 983 int total_cycles = 0; 984 985 if (!(br && br->nr)) 986 return 0; 987 nr = br->nr; 988 if (max_blocks && nr > max_blocks + 1) 989 nr = max_blocks + 1; 990 991 x.thread = thread; 992 x.cpu = sample->cpu; 993 994 printed += fprintf(fp, "%c", '\n'); 995 996 /* Handle first from jump, of which we don't know the entry. */ 997 len = grab_bb(buffer, br->entries[nr-1].from, 998 br->entries[nr-1].from, 999 machine, thread, &x.is64bit, &x.cpumode, false); 1000 if (len > 0) { 1001 printed += ip__fprintf_sym(br->entries[nr - 1].from, thread, 1002 x.cpumode, x.cpu, &lastsym, attr, fp); 1003 printed += ip__fprintf_jump(br->entries[nr - 1].from, &br->entries[nr - 1], 1004 &x, buffer, len, 0, fp, &total_cycles); 1005 } 1006 1007 /* Print all blocks */ 1008 for (i = nr - 2; i >= 0; i--) { 1009 if (br->entries[i].from || br->entries[i].to) 1010 pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i, 1011 br->entries[i].from, 1012 br->entries[i].to); 1013 start = br->entries[i + 1].to; 1014 end = br->entries[i].from; 1015 1016 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1017 /* Patch up missing kernel transfers due to ring filters */ 1018 if (len == -ENXIO && i > 0) { 1019 end = br->entries[--i].from; 1020 pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end); 1021 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1022 } 1023 if (len <= 0) 1024 continue; 1025 1026 insn = 0; 1027 for (off = 0;; off += ilen) { 1028 uint64_t ip = start + off; 1029 1030 printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1031 if (ip == end) { 1032 printed += ip__fprintf_jump(ip, &br->entries[i], &x, buffer + off, len - off, insn, fp, 1033 &total_cycles); 1034 break; 1035 } else { 1036 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip, 1037 dump_insn(&x, ip, buffer + off, len - off, &ilen)); 1038 if (ilen == 0) 1039 break; 1040 insn++; 1041 } 1042 } 1043 } 1044 1045 /* 1046 * Hit the branch? In this case we are already done, and the target 1047 * has not been executed yet. 1048 */ 1049 if (br->entries[0].from == sample->ip) 1050 goto out; 1051 if (br->entries[0].flags.abort) 1052 goto out; 1053 1054 /* 1055 * Print final block upto sample 1056 */ 1057 start = br->entries[0].to; 1058 end = sample->ip; 1059 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true); 1060 printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1061 if (len <= 0) { 1062 /* Print at least last IP if basic block did not work */ 1063 len = grab_bb(buffer, sample->ip, sample->ip, 1064 machine, thread, &x.is64bit, &x.cpumode, false); 1065 if (len <= 0) 1066 goto out; 1067 1068 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip, 1069 dump_insn(&x, sample->ip, buffer, len, NULL)); 1070 goto out; 1071 } 1072 for (off = 0; off <= end - start; off += ilen) { 1073 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off, 1074 dump_insn(&x, start + off, buffer + off, len - off, &ilen)); 1075 if (ilen == 0) 1076 break; 1077 } 1078 out: 1079 return printed; 1080 } 1081 1082 static int perf_sample__fprintf_addr(struct perf_sample *sample, 1083 struct thread *thread, 1084 struct perf_event_attr *attr, FILE *fp) 1085 { 1086 struct addr_location al; 1087 int printed = fprintf(fp, "%16" PRIx64, sample->addr); 1088 1089 if (!sample_addr_correlates_sym(attr)) 1090 goto out; 1091 1092 thread__resolve(thread, &al, sample); 1093 1094 if (PRINT_FIELD(SYM)) { 1095 printed += fprintf(fp, " "); 1096 if (PRINT_FIELD(SYMOFFSET)) 1097 printed += symbol__fprintf_symname_offs(al.sym, &al, fp); 1098 else 1099 printed += symbol__fprintf_symname(al.sym, fp); 1100 } 1101 1102 if (PRINT_FIELD(DSO)) { 1103 printed += fprintf(fp, " ("); 1104 printed += map__fprintf_dsoname(al.map, fp); 1105 printed += fprintf(fp, ")"); 1106 } 1107 out: 1108 return printed; 1109 } 1110 1111 static const char *resolve_branch_sym(struct perf_sample *sample, 1112 struct perf_evsel *evsel, 1113 struct thread *thread, 1114 struct addr_location *al, 1115 u64 *ip) 1116 { 1117 struct addr_location addr_al; 1118 struct perf_event_attr *attr = &evsel->attr; 1119 const char *name = NULL; 1120 1121 if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) { 1122 if (sample_addr_correlates_sym(attr)) { 1123 thread__resolve(thread, &addr_al, sample); 1124 if (addr_al.sym) 1125 name = addr_al.sym->name; 1126 else 1127 *ip = sample->addr; 1128 } else { 1129 *ip = sample->addr; 1130 } 1131 } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) { 1132 if (al->sym) 1133 name = al->sym->name; 1134 else 1135 *ip = sample->ip; 1136 } 1137 return name; 1138 } 1139 1140 static int perf_sample__fprintf_callindent(struct perf_sample *sample, 1141 struct perf_evsel *evsel, 1142 struct thread *thread, 1143 struct addr_location *al, FILE *fp) 1144 { 1145 struct perf_event_attr *attr = &evsel->attr; 1146 size_t depth = thread_stack__depth(thread); 1147 const char *name = NULL; 1148 static int spacing; 1149 int len = 0; 1150 int dlen = 0; 1151 u64 ip = 0; 1152 1153 /* 1154 * The 'return' has already been popped off the stack so the depth has 1155 * to be adjusted to match the 'call'. 1156 */ 1157 if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN) 1158 depth += 1; 1159 1160 name = resolve_branch_sym(sample, evsel, thread, al, &ip); 1161 1162 if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) { 1163 dlen += fprintf(fp, "("); 1164 dlen += map__fprintf_dsoname(al->map, fp); 1165 dlen += fprintf(fp, ")\t"); 1166 } 1167 1168 if (name) 1169 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name); 1170 else if (ip) 1171 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip); 1172 1173 if (len < 0) 1174 return len; 1175 1176 /* 1177 * Try to keep the output length from changing frequently so that the 1178 * output lines up more nicely. 1179 */ 1180 if (len > spacing || (len && len < spacing - 52)) 1181 spacing = round_up(len + 4, 32); 1182 1183 if (len < spacing) 1184 len += fprintf(fp, "%*s", spacing - len, ""); 1185 1186 return len + dlen; 1187 } 1188 1189 static int perf_sample__fprintf_insn(struct perf_sample *sample, 1190 struct perf_event_attr *attr, 1191 struct thread *thread, 1192 struct machine *machine, FILE *fp) 1193 { 1194 int printed = 0; 1195 1196 if (PRINT_FIELD(INSNLEN)) 1197 printed += fprintf(fp, " ilen: %d", sample->insn_len); 1198 if (PRINT_FIELD(INSN)) { 1199 int i; 1200 1201 printed += fprintf(fp, " insn:"); 1202 for (i = 0; i < sample->insn_len; i++) 1203 printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]); 1204 } 1205 if (PRINT_FIELD(BRSTACKINSN)) 1206 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp); 1207 1208 return printed; 1209 } 1210 1211 static int perf_sample__fprintf_bts(struct perf_sample *sample, 1212 struct perf_evsel *evsel, 1213 struct thread *thread, 1214 struct addr_location *al, 1215 struct machine *machine, FILE *fp) 1216 { 1217 struct perf_event_attr *attr = &evsel->attr; 1218 unsigned int type = output_type(attr->type); 1219 bool print_srcline_last = false; 1220 int printed = 0; 1221 1222 if (PRINT_FIELD(CALLINDENT)) 1223 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp); 1224 1225 /* print branch_from information */ 1226 if (PRINT_FIELD(IP)) { 1227 unsigned int print_opts = output[type].print_ip_opts; 1228 struct callchain_cursor *cursor = NULL; 1229 1230 if (symbol_conf.use_callchain && sample->callchain && 1231 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 1232 sample, NULL, NULL, scripting_max_stack) == 0) 1233 cursor = &callchain_cursor; 1234 1235 if (cursor == NULL) { 1236 printed += fprintf(fp, " "); 1237 if (print_opts & EVSEL__PRINT_SRCLINE) { 1238 print_srcline_last = true; 1239 print_opts &= ~EVSEL__PRINT_SRCLINE; 1240 } 1241 } else 1242 printed += fprintf(fp, "\n"); 1243 1244 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, fp); 1245 } 1246 1247 /* print branch_to information */ 1248 if (PRINT_FIELD(ADDR) || 1249 ((evsel->attr.sample_type & PERF_SAMPLE_ADDR) && 1250 !output[type].user_set)) { 1251 printed += fprintf(fp, " => "); 1252 printed += perf_sample__fprintf_addr(sample, thread, attr, fp); 1253 } 1254 1255 if (print_srcline_last) 1256 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp); 1257 1258 printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 1259 return printed + fprintf(fp, "\n"); 1260 } 1261 1262 static struct { 1263 u32 flags; 1264 const char *name; 1265 } sample_flags[] = { 1266 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"}, 1267 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"}, 1268 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"}, 1269 {PERF_IP_FLAG_BRANCH, "jmp"}, 1270 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"}, 1271 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"}, 1272 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"}, 1273 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"}, 1274 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"}, 1275 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"}, 1276 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"}, 1277 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"}, 1278 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"}, 1279 {0, NULL} 1280 }; 1281 1282 static const char *sample_flags_to_name(u32 flags) 1283 { 1284 int i; 1285 1286 for (i = 0; sample_flags[i].name ; i++) { 1287 if (sample_flags[i].flags == flags) 1288 return sample_flags[i].name; 1289 } 1290 1291 return NULL; 1292 } 1293 1294 static int perf_sample__fprintf_flags(u32 flags, FILE *fp) 1295 { 1296 const char *chars = PERF_IP_FLAG_CHARS; 1297 const int n = strlen(PERF_IP_FLAG_CHARS); 1298 bool in_tx = flags & PERF_IP_FLAG_IN_TX; 1299 const char *name = NULL; 1300 char str[33]; 1301 int i, pos = 0; 1302 1303 name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX); 1304 if (name) 1305 return fprintf(fp, " %-15s%4s ", name, in_tx ? "(x)" : ""); 1306 1307 if (flags & PERF_IP_FLAG_TRACE_BEGIN) { 1308 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN)); 1309 if (name) 1310 return fprintf(fp, " tr strt %-7s%4s ", name, in_tx ? "(x)" : ""); 1311 } 1312 1313 if (flags & PERF_IP_FLAG_TRACE_END) { 1314 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END)); 1315 if (name) 1316 return fprintf(fp, " tr end %-7s%4s ", name, in_tx ? "(x)" : ""); 1317 } 1318 1319 for (i = 0; i < n; i++, flags >>= 1) { 1320 if (flags & 1) 1321 str[pos++] = chars[i]; 1322 } 1323 for (; i < 32; i++, flags >>= 1) { 1324 if (flags & 1) 1325 str[pos++] = '?'; 1326 } 1327 str[pos] = 0; 1328 1329 return fprintf(fp, " %-19s ", str); 1330 } 1331 1332 struct printer_data { 1333 int line_no; 1334 bool hit_nul; 1335 bool is_printable; 1336 }; 1337 1338 static int sample__fprintf_bpf_output(enum binary_printer_ops op, 1339 unsigned int val, 1340 void *extra, FILE *fp) 1341 { 1342 unsigned char ch = (unsigned char)val; 1343 struct printer_data *printer_data = extra; 1344 int printed = 0; 1345 1346 switch (op) { 1347 case BINARY_PRINT_DATA_BEGIN: 1348 printed += fprintf(fp, "\n"); 1349 break; 1350 case BINARY_PRINT_LINE_BEGIN: 1351 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" : 1352 " "); 1353 break; 1354 case BINARY_PRINT_ADDR: 1355 printed += fprintf(fp, " %04x:", val); 1356 break; 1357 case BINARY_PRINT_NUM_DATA: 1358 printed += fprintf(fp, " %02x", val); 1359 break; 1360 case BINARY_PRINT_NUM_PAD: 1361 printed += fprintf(fp, " "); 1362 break; 1363 case BINARY_PRINT_SEP: 1364 printed += fprintf(fp, " "); 1365 break; 1366 case BINARY_PRINT_CHAR_DATA: 1367 if (printer_data->hit_nul && ch) 1368 printer_data->is_printable = false; 1369 1370 if (!isprint(ch)) { 1371 printed += fprintf(fp, "%c", '.'); 1372 1373 if (!printer_data->is_printable) 1374 break; 1375 1376 if (ch == '\0') 1377 printer_data->hit_nul = true; 1378 else 1379 printer_data->is_printable = false; 1380 } else { 1381 printed += fprintf(fp, "%c", ch); 1382 } 1383 break; 1384 case BINARY_PRINT_CHAR_PAD: 1385 printed += fprintf(fp, " "); 1386 break; 1387 case BINARY_PRINT_LINE_END: 1388 printed += fprintf(fp, "\n"); 1389 printer_data->line_no++; 1390 break; 1391 case BINARY_PRINT_DATA_END: 1392 default: 1393 break; 1394 } 1395 1396 return printed; 1397 } 1398 1399 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp) 1400 { 1401 unsigned int nr_bytes = sample->raw_size; 1402 struct printer_data printer_data = {0, false, true}; 1403 int printed = binary__fprintf(sample->raw_data, nr_bytes, 8, 1404 sample__fprintf_bpf_output, &printer_data, fp); 1405 1406 if (printer_data.is_printable && printer_data.hit_nul) 1407 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data)); 1408 1409 return printed; 1410 } 1411 1412 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp) 1413 { 1414 if (len > 0 && len < spacing) 1415 return fprintf(fp, "%*s", spacing - len, ""); 1416 1417 return 0; 1418 } 1419 1420 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp) 1421 { 1422 return perf_sample__fprintf_spacing(len, 34, fp); 1423 } 1424 1425 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp) 1426 { 1427 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample); 1428 int len; 1429 1430 if (perf_sample__bad_synth_size(sample, *data)) 1431 return 0; 1432 1433 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ", 1434 data->ip, le64_to_cpu(data->payload)); 1435 return len + perf_sample__fprintf_pt_spacing(len, fp); 1436 } 1437 1438 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp) 1439 { 1440 struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample); 1441 int len; 1442 1443 if (perf_sample__bad_synth_size(sample, *data)) 1444 return 0; 1445 1446 len = fprintf(fp, " hints: %#x extensions: %#x ", 1447 data->hints, data->extensions); 1448 return len + perf_sample__fprintf_pt_spacing(len, fp); 1449 } 1450 1451 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp) 1452 { 1453 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample); 1454 int len; 1455 1456 if (perf_sample__bad_synth_size(sample, *data)) 1457 return 0; 1458 1459 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ", 1460 data->hw, data->cstate, data->subcstate); 1461 return len + perf_sample__fprintf_pt_spacing(len, fp); 1462 } 1463 1464 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp) 1465 { 1466 struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample); 1467 int len; 1468 1469 if (perf_sample__bad_synth_size(sample, *data)) 1470 return 0; 1471 1472 len = fprintf(fp, " IP: %u ", data->ip); 1473 return len + perf_sample__fprintf_pt_spacing(len, fp); 1474 } 1475 1476 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp) 1477 { 1478 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample); 1479 int len; 1480 1481 if (perf_sample__bad_synth_size(sample, *data)) 1482 return 0; 1483 1484 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ", 1485 data->deepest_cstate, data->last_cstate, 1486 data->wake_reason); 1487 return len + perf_sample__fprintf_pt_spacing(len, fp); 1488 } 1489 1490 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp) 1491 { 1492 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample); 1493 unsigned int percent, freq; 1494 int len; 1495 1496 if (perf_sample__bad_synth_size(sample, *data)) 1497 return 0; 1498 1499 freq = (le32_to_cpu(data->freq) + 500) / 1000; 1500 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq); 1501 if (data->max_nonturbo) { 1502 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10; 1503 len += fprintf(fp, "(%3u%%) ", percent); 1504 } 1505 return len + perf_sample__fprintf_pt_spacing(len, fp); 1506 } 1507 1508 static int perf_sample__fprintf_synth(struct perf_sample *sample, 1509 struct perf_evsel *evsel, FILE *fp) 1510 { 1511 switch (evsel->attr.config) { 1512 case PERF_SYNTH_INTEL_PTWRITE: 1513 return perf_sample__fprintf_synth_ptwrite(sample, fp); 1514 case PERF_SYNTH_INTEL_MWAIT: 1515 return perf_sample__fprintf_synth_mwait(sample, fp); 1516 case PERF_SYNTH_INTEL_PWRE: 1517 return perf_sample__fprintf_synth_pwre(sample, fp); 1518 case PERF_SYNTH_INTEL_EXSTOP: 1519 return perf_sample__fprintf_synth_exstop(sample, fp); 1520 case PERF_SYNTH_INTEL_PWRX: 1521 return perf_sample__fprintf_synth_pwrx(sample, fp); 1522 case PERF_SYNTH_INTEL_CBR: 1523 return perf_sample__fprintf_synth_cbr(sample, fp); 1524 default: 1525 break; 1526 } 1527 1528 return 0; 1529 } 1530 1531 struct perf_script { 1532 struct perf_tool tool; 1533 struct perf_session *session; 1534 bool show_task_events; 1535 bool show_mmap_events; 1536 bool show_switch_events; 1537 bool show_namespace_events; 1538 bool show_lost_events; 1539 bool show_round_events; 1540 bool allocated; 1541 bool per_event_dump; 1542 struct cpu_map *cpus; 1543 struct thread_map *threads; 1544 int name_width; 1545 const char *time_str; 1546 struct perf_time_interval *ptime_range; 1547 int range_size; 1548 int range_num; 1549 }; 1550 1551 static int perf_evlist__max_name_len(struct perf_evlist *evlist) 1552 { 1553 struct perf_evsel *evsel; 1554 int max = 0; 1555 1556 evlist__for_each_entry(evlist, evsel) { 1557 int len = strlen(perf_evsel__name(evsel)); 1558 1559 max = MAX(len, max); 1560 } 1561 1562 return max; 1563 } 1564 1565 static int data_src__fprintf(u64 data_src, FILE *fp) 1566 { 1567 struct mem_info mi = { .data_src.val = data_src }; 1568 char decode[100]; 1569 char out[100]; 1570 static int maxlen; 1571 int len; 1572 1573 perf_script__meminfo_scnprintf(decode, 100, &mi); 1574 1575 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode); 1576 if (maxlen < len) 1577 maxlen = len; 1578 1579 return fprintf(fp, "%-*s", maxlen, out); 1580 } 1581 1582 struct metric_ctx { 1583 struct perf_sample *sample; 1584 struct thread *thread; 1585 struct perf_evsel *evsel; 1586 FILE *fp; 1587 }; 1588 1589 static void script_print_metric(struct perf_stat_config *config __maybe_unused, 1590 void *ctx, const char *color, 1591 const char *fmt, 1592 const char *unit, double val) 1593 { 1594 struct metric_ctx *mctx = ctx; 1595 1596 if (!fmt) 1597 return; 1598 perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel, 1599 PERF_RECORD_SAMPLE, mctx->fp); 1600 fputs("\tmetric: ", mctx->fp); 1601 if (color) 1602 color_fprintf(mctx->fp, color, fmt, val); 1603 else 1604 printf(fmt, val); 1605 fprintf(mctx->fp, " %s\n", unit); 1606 } 1607 1608 static void script_new_line(struct perf_stat_config *config __maybe_unused, 1609 void *ctx) 1610 { 1611 struct metric_ctx *mctx = ctx; 1612 1613 perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel, 1614 PERF_RECORD_SAMPLE, mctx->fp); 1615 fputs("\tmetric: ", mctx->fp); 1616 } 1617 1618 static void perf_sample__fprint_metric(struct perf_script *script, 1619 struct thread *thread, 1620 struct perf_evsel *evsel, 1621 struct perf_sample *sample, 1622 FILE *fp) 1623 { 1624 struct perf_stat_output_ctx ctx = { 1625 .print_metric = script_print_metric, 1626 .new_line = script_new_line, 1627 .ctx = &(struct metric_ctx) { 1628 .sample = sample, 1629 .thread = thread, 1630 .evsel = evsel, 1631 .fp = fp, 1632 }, 1633 .force_header = false, 1634 }; 1635 struct perf_evsel *ev2; 1636 static bool init; 1637 u64 val; 1638 1639 if (!init) { 1640 perf_stat__init_shadow_stats(); 1641 init = true; 1642 } 1643 if (!evsel->stats) 1644 perf_evlist__alloc_stats(script->session->evlist, false); 1645 if (evsel_script(evsel->leader)->gnum++ == 0) 1646 perf_stat__reset_shadow_stats(); 1647 val = sample->period * evsel->scale; 1648 perf_stat__update_shadow_stats(evsel, 1649 val, 1650 sample->cpu, 1651 &rt_stat); 1652 evsel_script(evsel)->val = val; 1653 if (evsel_script(evsel->leader)->gnum == evsel->leader->nr_members) { 1654 for_each_group_member (ev2, evsel->leader) { 1655 perf_stat__print_shadow_stats(&stat_config, ev2, 1656 evsel_script(ev2)->val, 1657 sample->cpu, 1658 &ctx, 1659 NULL, 1660 &rt_stat); 1661 } 1662 evsel_script(evsel->leader)->gnum = 0; 1663 } 1664 } 1665 1666 static bool show_event(struct perf_sample *sample, 1667 struct perf_evsel *evsel, 1668 struct thread *thread, 1669 struct addr_location *al) 1670 { 1671 int depth = thread_stack__depth(thread); 1672 1673 if (!symbol_conf.graph_function) 1674 return true; 1675 1676 if (thread->filter) { 1677 if (depth <= thread->filter_entry_depth) { 1678 thread->filter = false; 1679 return false; 1680 } 1681 return true; 1682 } else { 1683 const char *s = symbol_conf.graph_function; 1684 u64 ip; 1685 const char *name = resolve_branch_sym(sample, evsel, thread, al, 1686 &ip); 1687 unsigned nlen; 1688 1689 if (!name) 1690 return false; 1691 nlen = strlen(name); 1692 while (*s) { 1693 unsigned len = strcspn(s, ","); 1694 if (nlen == len && !strncmp(name, s, len)) { 1695 thread->filter = true; 1696 thread->filter_entry_depth = depth; 1697 return true; 1698 } 1699 s += len; 1700 if (*s == ',') 1701 s++; 1702 } 1703 return false; 1704 } 1705 } 1706 1707 static void process_event(struct perf_script *script, 1708 struct perf_sample *sample, struct perf_evsel *evsel, 1709 struct addr_location *al, 1710 struct machine *machine) 1711 { 1712 struct thread *thread = al->thread; 1713 struct perf_event_attr *attr = &evsel->attr; 1714 unsigned int type = output_type(attr->type); 1715 struct perf_evsel_script *es = evsel->priv; 1716 FILE *fp = es->fp; 1717 1718 if (output[type].fields == 0) 1719 return; 1720 1721 if (!show_event(sample, evsel, thread, al)) 1722 return; 1723 1724 ++es->samples; 1725 1726 perf_sample__fprintf_start(sample, thread, evsel, 1727 PERF_RECORD_SAMPLE, fp); 1728 1729 if (PRINT_FIELD(PERIOD)) 1730 fprintf(fp, "%10" PRIu64 " ", sample->period); 1731 1732 if (PRINT_FIELD(EVNAME)) { 1733 const char *evname = perf_evsel__name(evsel); 1734 1735 if (!script->name_width) 1736 script->name_width = perf_evlist__max_name_len(script->session->evlist); 1737 1738 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]"); 1739 } 1740 1741 if (print_flags) 1742 perf_sample__fprintf_flags(sample->flags, fp); 1743 1744 if (is_bts_event(attr)) { 1745 perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp); 1746 return; 1747 } 1748 1749 if (PRINT_FIELD(TRACE)) { 1750 event_format__fprintf(evsel->tp_format, sample->cpu, 1751 sample->raw_data, sample->raw_size, fp); 1752 } 1753 1754 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH)) 1755 perf_sample__fprintf_synth(sample, evsel, fp); 1756 1757 if (PRINT_FIELD(ADDR)) 1758 perf_sample__fprintf_addr(sample, thread, attr, fp); 1759 1760 if (PRINT_FIELD(DATA_SRC)) 1761 data_src__fprintf(sample->data_src, fp); 1762 1763 if (PRINT_FIELD(WEIGHT)) 1764 fprintf(fp, "%16" PRIu64, sample->weight); 1765 1766 if (PRINT_FIELD(IP)) { 1767 struct callchain_cursor *cursor = NULL; 1768 1769 if (symbol_conf.use_callchain && sample->callchain && 1770 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 1771 sample, NULL, NULL, scripting_max_stack) == 0) 1772 cursor = &callchain_cursor; 1773 1774 fputc(cursor ? '\n' : ' ', fp); 1775 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, fp); 1776 } 1777 1778 if (PRINT_FIELD(IREGS)) 1779 perf_sample__fprintf_iregs(sample, attr, fp); 1780 1781 if (PRINT_FIELD(UREGS)) 1782 perf_sample__fprintf_uregs(sample, attr, fp); 1783 1784 if (PRINT_FIELD(BRSTACK)) 1785 perf_sample__fprintf_brstack(sample, thread, attr, fp); 1786 else if (PRINT_FIELD(BRSTACKSYM)) 1787 perf_sample__fprintf_brstacksym(sample, thread, attr, fp); 1788 else if (PRINT_FIELD(BRSTACKOFF)) 1789 perf_sample__fprintf_brstackoff(sample, thread, attr, fp); 1790 1791 if (perf_evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT)) 1792 perf_sample__fprintf_bpf_output(sample, fp); 1793 perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 1794 1795 if (PRINT_FIELD(PHYS_ADDR)) 1796 fprintf(fp, "%16" PRIx64, sample->phys_addr); 1797 fprintf(fp, "\n"); 1798 1799 if (PRINT_FIELD(METRIC)) 1800 perf_sample__fprint_metric(script, thread, evsel, sample, fp); 1801 1802 if (verbose) 1803 fflush(fp); 1804 } 1805 1806 static struct scripting_ops *scripting_ops; 1807 1808 static void __process_stat(struct perf_evsel *counter, u64 tstamp) 1809 { 1810 int nthreads = thread_map__nr(counter->threads); 1811 int ncpus = perf_evsel__nr_cpus(counter); 1812 int cpu, thread; 1813 static int header_printed; 1814 1815 if (counter->system_wide) 1816 nthreads = 1; 1817 1818 if (!header_printed) { 1819 printf("%3s %8s %15s %15s %15s %15s %s\n", 1820 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT"); 1821 header_printed = 1; 1822 } 1823 1824 for (thread = 0; thread < nthreads; thread++) { 1825 for (cpu = 0; cpu < ncpus; cpu++) { 1826 struct perf_counts_values *counts; 1827 1828 counts = perf_counts(counter->counts, cpu, thread); 1829 1830 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n", 1831 counter->cpus->map[cpu], 1832 thread_map__pid(counter->threads, thread), 1833 counts->val, 1834 counts->ena, 1835 counts->run, 1836 tstamp, 1837 perf_evsel__name(counter)); 1838 } 1839 } 1840 } 1841 1842 static void process_stat(struct perf_evsel *counter, u64 tstamp) 1843 { 1844 if (scripting_ops && scripting_ops->process_stat) 1845 scripting_ops->process_stat(&stat_config, counter, tstamp); 1846 else 1847 __process_stat(counter, tstamp); 1848 } 1849 1850 static void process_stat_interval(u64 tstamp) 1851 { 1852 if (scripting_ops && scripting_ops->process_stat_interval) 1853 scripting_ops->process_stat_interval(tstamp); 1854 } 1855 1856 static void setup_scripting(void) 1857 { 1858 setup_perl_scripting(); 1859 setup_python_scripting(); 1860 } 1861 1862 static int flush_scripting(void) 1863 { 1864 return scripting_ops ? scripting_ops->flush_script() : 0; 1865 } 1866 1867 static int cleanup_scripting(void) 1868 { 1869 pr_debug("\nperf script stopped\n"); 1870 1871 return scripting_ops ? scripting_ops->stop_script() : 0; 1872 } 1873 1874 static int process_sample_event(struct perf_tool *tool, 1875 union perf_event *event, 1876 struct perf_sample *sample, 1877 struct perf_evsel *evsel, 1878 struct machine *machine) 1879 { 1880 struct perf_script *scr = container_of(tool, struct perf_script, tool); 1881 struct addr_location al; 1882 1883 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num, 1884 sample->time)) { 1885 return 0; 1886 } 1887 1888 if (debug_mode) { 1889 if (sample->time < last_timestamp) { 1890 pr_err("Samples misordered, previous: %" PRIu64 1891 " this: %" PRIu64 "\n", last_timestamp, 1892 sample->time); 1893 nr_unordered++; 1894 } 1895 last_timestamp = sample->time; 1896 return 0; 1897 } 1898 1899 if (machine__resolve(machine, &al, sample) < 0) { 1900 pr_err("problem processing %d event, skipping it.\n", 1901 event->header.type); 1902 return -1; 1903 } 1904 1905 if (al.filtered) 1906 goto out_put; 1907 1908 if (cpu_list && !test_bit(sample->cpu, cpu_bitmap)) 1909 goto out_put; 1910 1911 if (scripting_ops) 1912 scripting_ops->process_event(event, sample, evsel, &al); 1913 else 1914 process_event(scr, sample, evsel, &al, machine); 1915 1916 out_put: 1917 addr_location__put(&al); 1918 return 0; 1919 } 1920 1921 static int process_attr(struct perf_tool *tool, union perf_event *event, 1922 struct perf_evlist **pevlist) 1923 { 1924 struct perf_script *scr = container_of(tool, struct perf_script, tool); 1925 struct perf_evlist *evlist; 1926 struct perf_evsel *evsel, *pos; 1927 int err; 1928 static struct perf_evsel_script *es; 1929 1930 err = perf_event__process_attr(tool, event, pevlist); 1931 if (err) 1932 return err; 1933 1934 evlist = *pevlist; 1935 evsel = perf_evlist__last(*pevlist); 1936 1937 if (!evsel->priv) { 1938 if (scr->per_event_dump) { 1939 evsel->priv = perf_evsel_script__new(evsel, 1940 scr->session->data); 1941 } else { 1942 es = zalloc(sizeof(*es)); 1943 if (!es) 1944 return -ENOMEM; 1945 es->fp = stdout; 1946 evsel->priv = es; 1947 } 1948 } 1949 1950 if (evsel->attr.type >= PERF_TYPE_MAX && 1951 evsel->attr.type != PERF_TYPE_SYNTH) 1952 return 0; 1953 1954 evlist__for_each_entry(evlist, pos) { 1955 if (pos->attr.type == evsel->attr.type && pos != evsel) 1956 return 0; 1957 } 1958 1959 set_print_ip_opts(&evsel->attr); 1960 1961 if (evsel->attr.sample_type) 1962 err = perf_evsel__check_attr(evsel, scr->session); 1963 1964 return err; 1965 } 1966 1967 static int process_comm_event(struct perf_tool *tool, 1968 union perf_event *event, 1969 struct perf_sample *sample, 1970 struct machine *machine) 1971 { 1972 struct thread *thread; 1973 struct perf_script *script = container_of(tool, struct perf_script, tool); 1974 struct perf_session *session = script->session; 1975 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 1976 int ret = -1; 1977 1978 thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid); 1979 if (thread == NULL) { 1980 pr_debug("problem processing COMM event, skipping it.\n"); 1981 return -1; 1982 } 1983 1984 if (perf_event__process_comm(tool, event, sample, machine) < 0) 1985 goto out; 1986 1987 if (!evsel->attr.sample_id_all) { 1988 sample->cpu = 0; 1989 sample->time = 0; 1990 sample->tid = event->comm.tid; 1991 sample->pid = event->comm.pid; 1992 } 1993 perf_sample__fprintf_start(sample, thread, evsel, 1994 PERF_RECORD_COMM, stdout); 1995 perf_event__fprintf(event, stdout); 1996 ret = 0; 1997 out: 1998 thread__put(thread); 1999 return ret; 2000 } 2001 2002 static int process_namespaces_event(struct perf_tool *tool, 2003 union perf_event *event, 2004 struct perf_sample *sample, 2005 struct machine *machine) 2006 { 2007 struct thread *thread; 2008 struct perf_script *script = container_of(tool, struct perf_script, tool); 2009 struct perf_session *session = script->session; 2010 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2011 int ret = -1; 2012 2013 thread = machine__findnew_thread(machine, event->namespaces.pid, 2014 event->namespaces.tid); 2015 if (thread == NULL) { 2016 pr_debug("problem processing NAMESPACES event, skipping it.\n"); 2017 return -1; 2018 } 2019 2020 if (perf_event__process_namespaces(tool, event, sample, machine) < 0) 2021 goto out; 2022 2023 if (!evsel->attr.sample_id_all) { 2024 sample->cpu = 0; 2025 sample->time = 0; 2026 sample->tid = event->namespaces.tid; 2027 sample->pid = event->namespaces.pid; 2028 } 2029 perf_sample__fprintf_start(sample, thread, evsel, 2030 PERF_RECORD_NAMESPACES, stdout); 2031 perf_event__fprintf(event, stdout); 2032 ret = 0; 2033 out: 2034 thread__put(thread); 2035 return ret; 2036 } 2037 2038 static int process_fork_event(struct perf_tool *tool, 2039 union perf_event *event, 2040 struct perf_sample *sample, 2041 struct machine *machine) 2042 { 2043 struct thread *thread; 2044 struct perf_script *script = container_of(tool, struct perf_script, tool); 2045 struct perf_session *session = script->session; 2046 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2047 2048 if (perf_event__process_fork(tool, event, sample, machine) < 0) 2049 return -1; 2050 2051 thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid); 2052 if (thread == NULL) { 2053 pr_debug("problem processing FORK event, skipping it.\n"); 2054 return -1; 2055 } 2056 2057 if (!evsel->attr.sample_id_all) { 2058 sample->cpu = 0; 2059 sample->time = event->fork.time; 2060 sample->tid = event->fork.tid; 2061 sample->pid = event->fork.pid; 2062 } 2063 perf_sample__fprintf_start(sample, thread, evsel, 2064 PERF_RECORD_FORK, stdout); 2065 perf_event__fprintf(event, stdout); 2066 thread__put(thread); 2067 2068 return 0; 2069 } 2070 static int process_exit_event(struct perf_tool *tool, 2071 union perf_event *event, 2072 struct perf_sample *sample, 2073 struct machine *machine) 2074 { 2075 int err = 0; 2076 struct thread *thread; 2077 struct perf_script *script = container_of(tool, struct perf_script, tool); 2078 struct perf_session *session = script->session; 2079 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2080 2081 thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid); 2082 if (thread == NULL) { 2083 pr_debug("problem processing EXIT event, skipping it.\n"); 2084 return -1; 2085 } 2086 2087 if (!evsel->attr.sample_id_all) { 2088 sample->cpu = 0; 2089 sample->time = 0; 2090 sample->tid = event->fork.tid; 2091 sample->pid = event->fork.pid; 2092 } 2093 perf_sample__fprintf_start(sample, thread, evsel, 2094 PERF_RECORD_EXIT, stdout); 2095 perf_event__fprintf(event, stdout); 2096 2097 if (perf_event__process_exit(tool, event, sample, machine) < 0) 2098 err = -1; 2099 2100 thread__put(thread); 2101 return err; 2102 } 2103 2104 static int process_mmap_event(struct perf_tool *tool, 2105 union perf_event *event, 2106 struct perf_sample *sample, 2107 struct machine *machine) 2108 { 2109 struct thread *thread; 2110 struct perf_script *script = container_of(tool, struct perf_script, tool); 2111 struct perf_session *session = script->session; 2112 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2113 2114 if (perf_event__process_mmap(tool, event, sample, machine) < 0) 2115 return -1; 2116 2117 thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid); 2118 if (thread == NULL) { 2119 pr_debug("problem processing MMAP event, skipping it.\n"); 2120 return -1; 2121 } 2122 2123 if (!evsel->attr.sample_id_all) { 2124 sample->cpu = 0; 2125 sample->time = 0; 2126 sample->tid = event->mmap.tid; 2127 sample->pid = event->mmap.pid; 2128 } 2129 perf_sample__fprintf_start(sample, thread, evsel, 2130 PERF_RECORD_MMAP, stdout); 2131 perf_event__fprintf(event, stdout); 2132 thread__put(thread); 2133 return 0; 2134 } 2135 2136 static int process_mmap2_event(struct perf_tool *tool, 2137 union perf_event *event, 2138 struct perf_sample *sample, 2139 struct machine *machine) 2140 { 2141 struct thread *thread; 2142 struct perf_script *script = container_of(tool, struct perf_script, tool); 2143 struct perf_session *session = script->session; 2144 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2145 2146 if (perf_event__process_mmap2(tool, event, sample, machine) < 0) 2147 return -1; 2148 2149 thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid); 2150 if (thread == NULL) { 2151 pr_debug("problem processing MMAP2 event, skipping it.\n"); 2152 return -1; 2153 } 2154 2155 if (!evsel->attr.sample_id_all) { 2156 sample->cpu = 0; 2157 sample->time = 0; 2158 sample->tid = event->mmap2.tid; 2159 sample->pid = event->mmap2.pid; 2160 } 2161 perf_sample__fprintf_start(sample, thread, evsel, 2162 PERF_RECORD_MMAP2, stdout); 2163 perf_event__fprintf(event, stdout); 2164 thread__put(thread); 2165 return 0; 2166 } 2167 2168 static int process_switch_event(struct perf_tool *tool, 2169 union perf_event *event, 2170 struct perf_sample *sample, 2171 struct machine *machine) 2172 { 2173 struct thread *thread; 2174 struct perf_script *script = container_of(tool, struct perf_script, tool); 2175 struct perf_session *session = script->session; 2176 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2177 2178 if (perf_event__process_switch(tool, event, sample, machine) < 0) 2179 return -1; 2180 2181 thread = machine__findnew_thread(machine, sample->pid, 2182 sample->tid); 2183 if (thread == NULL) { 2184 pr_debug("problem processing SWITCH event, skipping it.\n"); 2185 return -1; 2186 } 2187 2188 perf_sample__fprintf_start(sample, thread, evsel, 2189 PERF_RECORD_SWITCH, stdout); 2190 perf_event__fprintf(event, stdout); 2191 thread__put(thread); 2192 return 0; 2193 } 2194 2195 static int 2196 process_lost_event(struct perf_tool *tool, 2197 union perf_event *event, 2198 struct perf_sample *sample, 2199 struct machine *machine) 2200 { 2201 struct perf_script *script = container_of(tool, struct perf_script, tool); 2202 struct perf_session *session = script->session; 2203 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2204 struct thread *thread; 2205 2206 thread = machine__findnew_thread(machine, sample->pid, 2207 sample->tid); 2208 if (thread == NULL) 2209 return -1; 2210 2211 perf_sample__fprintf_start(sample, thread, evsel, 2212 PERF_RECORD_LOST, stdout); 2213 perf_event__fprintf(event, stdout); 2214 thread__put(thread); 2215 return 0; 2216 } 2217 2218 static int 2219 process_finished_round_event(struct perf_tool *tool __maybe_unused, 2220 union perf_event *event, 2221 struct ordered_events *oe __maybe_unused) 2222 2223 { 2224 perf_event__fprintf(event, stdout); 2225 return 0; 2226 } 2227 2228 static void sig_handler(int sig __maybe_unused) 2229 { 2230 session_done = 1; 2231 } 2232 2233 static void perf_script__fclose_per_event_dump(struct perf_script *script) 2234 { 2235 struct perf_evlist *evlist = script->session->evlist; 2236 struct perf_evsel *evsel; 2237 2238 evlist__for_each_entry(evlist, evsel) { 2239 if (!evsel->priv) 2240 break; 2241 perf_evsel_script__delete(evsel->priv); 2242 evsel->priv = NULL; 2243 } 2244 } 2245 2246 static int perf_script__fopen_per_event_dump(struct perf_script *script) 2247 { 2248 struct perf_evsel *evsel; 2249 2250 evlist__for_each_entry(script->session->evlist, evsel) { 2251 /* 2252 * Already setup? I.e. we may be called twice in cases like 2253 * Intel PT, one for the intel_pt// and dummy events, then 2254 * for the evsels syntheized from the auxtrace info. 2255 * 2256 * Ses perf_script__process_auxtrace_info. 2257 */ 2258 if (evsel->priv != NULL) 2259 continue; 2260 2261 evsel->priv = perf_evsel_script__new(evsel, script->session->data); 2262 if (evsel->priv == NULL) 2263 goto out_err_fclose; 2264 } 2265 2266 return 0; 2267 2268 out_err_fclose: 2269 perf_script__fclose_per_event_dump(script); 2270 return -1; 2271 } 2272 2273 static int perf_script__setup_per_event_dump(struct perf_script *script) 2274 { 2275 struct perf_evsel *evsel; 2276 static struct perf_evsel_script es_stdout; 2277 2278 if (script->per_event_dump) 2279 return perf_script__fopen_per_event_dump(script); 2280 2281 es_stdout.fp = stdout; 2282 2283 evlist__for_each_entry(script->session->evlist, evsel) 2284 evsel->priv = &es_stdout; 2285 2286 return 0; 2287 } 2288 2289 static void perf_script__exit_per_event_dump_stats(struct perf_script *script) 2290 { 2291 struct perf_evsel *evsel; 2292 2293 evlist__for_each_entry(script->session->evlist, evsel) { 2294 struct perf_evsel_script *es = evsel->priv; 2295 2296 perf_evsel_script__fprintf(es, stdout); 2297 perf_evsel_script__delete(es); 2298 evsel->priv = NULL; 2299 } 2300 } 2301 2302 static int __cmd_script(struct perf_script *script) 2303 { 2304 int ret; 2305 2306 signal(SIGINT, sig_handler); 2307 2308 /* override event processing functions */ 2309 if (script->show_task_events) { 2310 script->tool.comm = process_comm_event; 2311 script->tool.fork = process_fork_event; 2312 script->tool.exit = process_exit_event; 2313 } 2314 if (script->show_mmap_events) { 2315 script->tool.mmap = process_mmap_event; 2316 script->tool.mmap2 = process_mmap2_event; 2317 } 2318 if (script->show_switch_events) 2319 script->tool.context_switch = process_switch_event; 2320 if (script->show_namespace_events) 2321 script->tool.namespaces = process_namespaces_event; 2322 if (script->show_lost_events) 2323 script->tool.lost = process_lost_event; 2324 if (script->show_round_events) { 2325 script->tool.ordered_events = false; 2326 script->tool.finished_round = process_finished_round_event; 2327 } 2328 2329 if (perf_script__setup_per_event_dump(script)) { 2330 pr_err("Couldn't create the per event dump files\n"); 2331 return -1; 2332 } 2333 2334 ret = perf_session__process_events(script->session); 2335 2336 if (script->per_event_dump) 2337 perf_script__exit_per_event_dump_stats(script); 2338 2339 if (debug_mode) 2340 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); 2341 2342 return ret; 2343 } 2344 2345 struct script_spec { 2346 struct list_head node; 2347 struct scripting_ops *ops; 2348 char spec[0]; 2349 }; 2350 2351 static LIST_HEAD(script_specs); 2352 2353 static struct script_spec *script_spec__new(const char *spec, 2354 struct scripting_ops *ops) 2355 { 2356 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); 2357 2358 if (s != NULL) { 2359 strcpy(s->spec, spec); 2360 s->ops = ops; 2361 } 2362 2363 return s; 2364 } 2365 2366 static void script_spec__add(struct script_spec *s) 2367 { 2368 list_add_tail(&s->node, &script_specs); 2369 } 2370 2371 static struct script_spec *script_spec__find(const char *spec) 2372 { 2373 struct script_spec *s; 2374 2375 list_for_each_entry(s, &script_specs, node) 2376 if (strcasecmp(s->spec, spec) == 0) 2377 return s; 2378 return NULL; 2379 } 2380 2381 int script_spec_register(const char *spec, struct scripting_ops *ops) 2382 { 2383 struct script_spec *s; 2384 2385 s = script_spec__find(spec); 2386 if (s) 2387 return -1; 2388 2389 s = script_spec__new(spec, ops); 2390 if (!s) 2391 return -1; 2392 else 2393 script_spec__add(s); 2394 2395 return 0; 2396 } 2397 2398 static struct scripting_ops *script_spec__lookup(const char *spec) 2399 { 2400 struct script_spec *s = script_spec__find(spec); 2401 if (!s) 2402 return NULL; 2403 2404 return s->ops; 2405 } 2406 2407 static void list_available_languages(void) 2408 { 2409 struct script_spec *s; 2410 2411 fprintf(stderr, "\n"); 2412 fprintf(stderr, "Scripting language extensions (used in " 2413 "perf script -s [spec:]script.[spec]):\n\n"); 2414 2415 list_for_each_entry(s, &script_specs, node) 2416 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); 2417 2418 fprintf(stderr, "\n"); 2419 } 2420 2421 static int parse_scriptname(const struct option *opt __maybe_unused, 2422 const char *str, int unset __maybe_unused) 2423 { 2424 char spec[PATH_MAX]; 2425 const char *script, *ext; 2426 int len; 2427 2428 if (strcmp(str, "lang") == 0) { 2429 list_available_languages(); 2430 exit(0); 2431 } 2432 2433 script = strchr(str, ':'); 2434 if (script) { 2435 len = script - str; 2436 if (len >= PATH_MAX) { 2437 fprintf(stderr, "invalid language specifier"); 2438 return -1; 2439 } 2440 strncpy(spec, str, len); 2441 spec[len] = '\0'; 2442 scripting_ops = script_spec__lookup(spec); 2443 if (!scripting_ops) { 2444 fprintf(stderr, "invalid language specifier"); 2445 return -1; 2446 } 2447 script++; 2448 } else { 2449 script = str; 2450 ext = strrchr(script, '.'); 2451 if (!ext) { 2452 fprintf(stderr, "invalid script extension"); 2453 return -1; 2454 } 2455 scripting_ops = script_spec__lookup(++ext); 2456 if (!scripting_ops) { 2457 fprintf(stderr, "invalid script extension"); 2458 return -1; 2459 } 2460 } 2461 2462 script_name = strdup(script); 2463 2464 return 0; 2465 } 2466 2467 static int parse_output_fields(const struct option *opt __maybe_unused, 2468 const char *arg, int unset __maybe_unused) 2469 { 2470 char *tok, *strtok_saveptr = NULL; 2471 int i, imax = ARRAY_SIZE(all_output_options); 2472 int j; 2473 int rc = 0; 2474 char *str = strdup(arg); 2475 int type = -1; 2476 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT; 2477 2478 if (!str) 2479 return -ENOMEM; 2480 2481 /* first word can state for which event type the user is specifying 2482 * the fields. If no type exists, the specified fields apply to all 2483 * event types found in the file minus the invalid fields for a type. 2484 */ 2485 tok = strchr(str, ':'); 2486 if (tok) { 2487 *tok = '\0'; 2488 tok++; 2489 if (!strcmp(str, "hw")) 2490 type = PERF_TYPE_HARDWARE; 2491 else if (!strcmp(str, "sw")) 2492 type = PERF_TYPE_SOFTWARE; 2493 else if (!strcmp(str, "trace")) 2494 type = PERF_TYPE_TRACEPOINT; 2495 else if (!strcmp(str, "raw")) 2496 type = PERF_TYPE_RAW; 2497 else if (!strcmp(str, "break")) 2498 type = PERF_TYPE_BREAKPOINT; 2499 else if (!strcmp(str, "synth")) 2500 type = OUTPUT_TYPE_SYNTH; 2501 else { 2502 fprintf(stderr, "Invalid event type in field string.\n"); 2503 rc = -EINVAL; 2504 goto out; 2505 } 2506 2507 if (output[type].user_set) 2508 pr_warning("Overriding previous field request for %s events.\n", 2509 event_type(type)); 2510 2511 output[type].fields = 0; 2512 output[type].user_set = true; 2513 output[type].wildcard_set = false; 2514 2515 } else { 2516 tok = str; 2517 if (strlen(str) == 0) { 2518 fprintf(stderr, 2519 "Cannot set fields to 'none' for all event types.\n"); 2520 rc = -EINVAL; 2521 goto out; 2522 } 2523 2524 /* Don't override defaults for +- */ 2525 if (strchr(str, '+') || strchr(str, '-')) 2526 goto parse; 2527 2528 if (output_set_by_user()) 2529 pr_warning("Overriding previous field request for all events.\n"); 2530 2531 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 2532 output[j].fields = 0; 2533 output[j].user_set = true; 2534 output[j].wildcard_set = true; 2535 } 2536 } 2537 2538 parse: 2539 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) { 2540 if (*tok == '+') { 2541 if (change == SET) 2542 goto out_badmix; 2543 change = ADD; 2544 tok++; 2545 } else if (*tok == '-') { 2546 if (change == SET) 2547 goto out_badmix; 2548 change = REMOVE; 2549 tok++; 2550 } else { 2551 if (change != SET && change != DEFAULT) 2552 goto out_badmix; 2553 change = SET; 2554 } 2555 2556 for (i = 0; i < imax; ++i) { 2557 if (strcmp(tok, all_output_options[i].str) == 0) 2558 break; 2559 } 2560 if (i == imax && strcmp(tok, "flags") == 0) { 2561 print_flags = change == REMOVE ? false : true; 2562 continue; 2563 } 2564 if (i == imax) { 2565 fprintf(stderr, "Invalid field requested.\n"); 2566 rc = -EINVAL; 2567 goto out; 2568 } 2569 2570 if (type == -1) { 2571 /* add user option to all events types for 2572 * which it is valid 2573 */ 2574 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 2575 if (output[j].invalid_fields & all_output_options[i].field) { 2576 pr_warning("\'%s\' not valid for %s events. Ignoring.\n", 2577 all_output_options[i].str, event_type(j)); 2578 } else { 2579 if (change == REMOVE) 2580 output[j].fields &= ~all_output_options[i].field; 2581 else 2582 output[j].fields |= all_output_options[i].field; 2583 output[j].user_set = true; 2584 output[j].wildcard_set = true; 2585 } 2586 } 2587 } else { 2588 if (output[type].invalid_fields & all_output_options[i].field) { 2589 fprintf(stderr, "\'%s\' not valid for %s events.\n", 2590 all_output_options[i].str, event_type(type)); 2591 2592 rc = -EINVAL; 2593 goto out; 2594 } 2595 output[type].user_set = true; 2596 output[type].wildcard_set = true; 2597 } 2598 } 2599 2600 if (type >= 0) { 2601 if (output[type].fields == 0) { 2602 pr_debug("No fields requested for %s type. " 2603 "Events will not be displayed.\n", event_type(type)); 2604 } 2605 } 2606 goto out; 2607 2608 out_badmix: 2609 fprintf(stderr, "Cannot mix +-field with overridden fields\n"); 2610 rc = -EINVAL; 2611 out: 2612 free(str); 2613 return rc; 2614 } 2615 2616 #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \ 2617 while ((lang_dirent = readdir(scripts_dir)) != NULL) \ 2618 if ((lang_dirent->d_type == DT_DIR || \ 2619 (lang_dirent->d_type == DT_UNKNOWN && \ 2620 is_directory(scripts_path, lang_dirent))) && \ 2621 (strcmp(lang_dirent->d_name, ".")) && \ 2622 (strcmp(lang_dirent->d_name, ".."))) 2623 2624 #define for_each_script(lang_path, lang_dir, script_dirent) \ 2625 while ((script_dirent = readdir(lang_dir)) != NULL) \ 2626 if (script_dirent->d_type != DT_DIR && \ 2627 (script_dirent->d_type != DT_UNKNOWN || \ 2628 !is_directory(lang_path, script_dirent))) 2629 2630 2631 #define RECORD_SUFFIX "-record" 2632 #define REPORT_SUFFIX "-report" 2633 2634 struct script_desc { 2635 struct list_head node; 2636 char *name; 2637 char *half_liner; 2638 char *args; 2639 }; 2640 2641 static LIST_HEAD(script_descs); 2642 2643 static struct script_desc *script_desc__new(const char *name) 2644 { 2645 struct script_desc *s = zalloc(sizeof(*s)); 2646 2647 if (s != NULL && name) 2648 s->name = strdup(name); 2649 2650 return s; 2651 } 2652 2653 static void script_desc__delete(struct script_desc *s) 2654 { 2655 zfree(&s->name); 2656 zfree(&s->half_liner); 2657 zfree(&s->args); 2658 free(s); 2659 } 2660 2661 static void script_desc__add(struct script_desc *s) 2662 { 2663 list_add_tail(&s->node, &script_descs); 2664 } 2665 2666 static struct script_desc *script_desc__find(const char *name) 2667 { 2668 struct script_desc *s; 2669 2670 list_for_each_entry(s, &script_descs, node) 2671 if (strcasecmp(s->name, name) == 0) 2672 return s; 2673 return NULL; 2674 } 2675 2676 static struct script_desc *script_desc__findnew(const char *name) 2677 { 2678 struct script_desc *s = script_desc__find(name); 2679 2680 if (s) 2681 return s; 2682 2683 s = script_desc__new(name); 2684 if (!s) 2685 return NULL; 2686 2687 script_desc__add(s); 2688 2689 return s; 2690 } 2691 2692 static const char *ends_with(const char *str, const char *suffix) 2693 { 2694 size_t suffix_len = strlen(suffix); 2695 const char *p = str; 2696 2697 if (strlen(str) > suffix_len) { 2698 p = str + strlen(str) - suffix_len; 2699 if (!strncmp(p, suffix, suffix_len)) 2700 return p; 2701 } 2702 2703 return NULL; 2704 } 2705 2706 static int read_script_info(struct script_desc *desc, const char *filename) 2707 { 2708 char line[BUFSIZ], *p; 2709 FILE *fp; 2710 2711 fp = fopen(filename, "r"); 2712 if (!fp) 2713 return -1; 2714 2715 while (fgets(line, sizeof(line), fp)) { 2716 p = ltrim(line); 2717 if (strlen(p) == 0) 2718 continue; 2719 if (*p != '#') 2720 continue; 2721 p++; 2722 if (strlen(p) && *p == '!') 2723 continue; 2724 2725 p = ltrim(p); 2726 if (strlen(p) && p[strlen(p) - 1] == '\n') 2727 p[strlen(p) - 1] = '\0'; 2728 2729 if (!strncmp(p, "description:", strlen("description:"))) { 2730 p += strlen("description:"); 2731 desc->half_liner = strdup(ltrim(p)); 2732 continue; 2733 } 2734 2735 if (!strncmp(p, "args:", strlen("args:"))) { 2736 p += strlen("args:"); 2737 desc->args = strdup(ltrim(p)); 2738 continue; 2739 } 2740 } 2741 2742 fclose(fp); 2743 2744 return 0; 2745 } 2746 2747 static char *get_script_root(struct dirent *script_dirent, const char *suffix) 2748 { 2749 char *script_root, *str; 2750 2751 script_root = strdup(script_dirent->d_name); 2752 if (!script_root) 2753 return NULL; 2754 2755 str = (char *)ends_with(script_root, suffix); 2756 if (!str) { 2757 free(script_root); 2758 return NULL; 2759 } 2760 2761 *str = '\0'; 2762 return script_root; 2763 } 2764 2765 static int list_available_scripts(const struct option *opt __maybe_unused, 2766 const char *s __maybe_unused, 2767 int unset __maybe_unused) 2768 { 2769 struct dirent *script_dirent, *lang_dirent; 2770 char scripts_path[MAXPATHLEN]; 2771 DIR *scripts_dir, *lang_dir; 2772 char script_path[MAXPATHLEN]; 2773 char lang_path[MAXPATHLEN]; 2774 struct script_desc *desc; 2775 char first_half[BUFSIZ]; 2776 char *script_root; 2777 2778 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 2779 2780 scripts_dir = opendir(scripts_path); 2781 if (!scripts_dir) { 2782 fprintf(stdout, 2783 "open(%s) failed.\n" 2784 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n", 2785 scripts_path); 2786 exit(-1); 2787 } 2788 2789 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 2790 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 2791 lang_dirent->d_name); 2792 lang_dir = opendir(lang_path); 2793 if (!lang_dir) 2794 continue; 2795 2796 for_each_script(lang_path, lang_dir, script_dirent) { 2797 script_root = get_script_root(script_dirent, REPORT_SUFFIX); 2798 if (script_root) { 2799 desc = script_desc__findnew(script_root); 2800 scnprintf(script_path, MAXPATHLEN, "%s/%s", 2801 lang_path, script_dirent->d_name); 2802 read_script_info(desc, script_path); 2803 free(script_root); 2804 } 2805 } 2806 } 2807 2808 fprintf(stdout, "List of available trace scripts:\n"); 2809 list_for_each_entry(desc, &script_descs, node) { 2810 sprintf(first_half, "%s %s", desc->name, 2811 desc->args ? desc->args : ""); 2812 fprintf(stdout, " %-36s %s\n", first_half, 2813 desc->half_liner ? desc->half_liner : ""); 2814 } 2815 2816 exit(0); 2817 } 2818 2819 /* 2820 * Some scripts specify the required events in their "xxx-record" file, 2821 * this function will check if the events in perf.data match those 2822 * mentioned in the "xxx-record". 2823 * 2824 * Fixme: All existing "xxx-record" are all in good formats "-e event ", 2825 * which is covered well now. And new parsing code should be added to 2826 * cover the future complexing formats like event groups etc. 2827 */ 2828 static int check_ev_match(char *dir_name, char *scriptname, 2829 struct perf_session *session) 2830 { 2831 char filename[MAXPATHLEN], evname[128]; 2832 char line[BUFSIZ], *p; 2833 struct perf_evsel *pos; 2834 int match, len; 2835 FILE *fp; 2836 2837 scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname); 2838 2839 fp = fopen(filename, "r"); 2840 if (!fp) 2841 return -1; 2842 2843 while (fgets(line, sizeof(line), fp)) { 2844 p = ltrim(line); 2845 if (*p == '#') 2846 continue; 2847 2848 while (strlen(p)) { 2849 p = strstr(p, "-e"); 2850 if (!p) 2851 break; 2852 2853 p += 2; 2854 p = ltrim(p); 2855 len = strcspn(p, " \t"); 2856 if (!len) 2857 break; 2858 2859 snprintf(evname, len + 1, "%s", p); 2860 2861 match = 0; 2862 evlist__for_each_entry(session->evlist, pos) { 2863 if (!strcmp(perf_evsel__name(pos), evname)) { 2864 match = 1; 2865 break; 2866 } 2867 } 2868 2869 if (!match) { 2870 fclose(fp); 2871 return -1; 2872 } 2873 } 2874 } 2875 2876 fclose(fp); 2877 return 0; 2878 } 2879 2880 /* 2881 * Return -1 if none is found, otherwise the actual scripts number. 2882 * 2883 * Currently the only user of this function is the script browser, which 2884 * will list all statically runnable scripts, select one, execute it and 2885 * show the output in a perf browser. 2886 */ 2887 int find_scripts(char **scripts_array, char **scripts_path_array) 2888 { 2889 struct dirent *script_dirent, *lang_dirent; 2890 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; 2891 DIR *scripts_dir, *lang_dir; 2892 struct perf_session *session; 2893 struct perf_data data = { 2894 .file = { 2895 .path = input_name, 2896 }, 2897 .mode = PERF_DATA_MODE_READ, 2898 }; 2899 char *temp; 2900 int i = 0; 2901 2902 session = perf_session__new(&data, false, NULL); 2903 if (!session) 2904 return -1; 2905 2906 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 2907 2908 scripts_dir = opendir(scripts_path); 2909 if (!scripts_dir) { 2910 perf_session__delete(session); 2911 return -1; 2912 } 2913 2914 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 2915 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, 2916 lang_dirent->d_name); 2917 #ifndef HAVE_LIBPERL_SUPPORT 2918 if (strstr(lang_path, "perl")) 2919 continue; 2920 #endif 2921 #ifndef HAVE_LIBPYTHON_SUPPORT 2922 if (strstr(lang_path, "python")) 2923 continue; 2924 #endif 2925 2926 lang_dir = opendir(lang_path); 2927 if (!lang_dir) 2928 continue; 2929 2930 for_each_script(lang_path, lang_dir, script_dirent) { 2931 /* Skip those real time scripts: xxxtop.p[yl] */ 2932 if (strstr(script_dirent->d_name, "top.")) 2933 continue; 2934 sprintf(scripts_path_array[i], "%s/%s", lang_path, 2935 script_dirent->d_name); 2936 temp = strchr(script_dirent->d_name, '.'); 2937 snprintf(scripts_array[i], 2938 (temp - script_dirent->d_name) + 1, 2939 "%s", script_dirent->d_name); 2940 2941 if (check_ev_match(lang_path, 2942 scripts_array[i], session)) 2943 continue; 2944 2945 i++; 2946 } 2947 closedir(lang_dir); 2948 } 2949 2950 closedir(scripts_dir); 2951 perf_session__delete(session); 2952 return i; 2953 } 2954 2955 static char *get_script_path(const char *script_root, const char *suffix) 2956 { 2957 struct dirent *script_dirent, *lang_dirent; 2958 char scripts_path[MAXPATHLEN]; 2959 char script_path[MAXPATHLEN]; 2960 DIR *scripts_dir, *lang_dir; 2961 char lang_path[MAXPATHLEN]; 2962 char *__script_root; 2963 2964 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 2965 2966 scripts_dir = opendir(scripts_path); 2967 if (!scripts_dir) 2968 return NULL; 2969 2970 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 2971 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 2972 lang_dirent->d_name); 2973 lang_dir = opendir(lang_path); 2974 if (!lang_dir) 2975 continue; 2976 2977 for_each_script(lang_path, lang_dir, script_dirent) { 2978 __script_root = get_script_root(script_dirent, suffix); 2979 if (__script_root && !strcmp(script_root, __script_root)) { 2980 free(__script_root); 2981 closedir(lang_dir); 2982 closedir(scripts_dir); 2983 scnprintf(script_path, MAXPATHLEN, "%s/%s", 2984 lang_path, script_dirent->d_name); 2985 return strdup(script_path); 2986 } 2987 free(__script_root); 2988 } 2989 closedir(lang_dir); 2990 } 2991 closedir(scripts_dir); 2992 2993 return NULL; 2994 } 2995 2996 static bool is_top_script(const char *script_path) 2997 { 2998 return ends_with(script_path, "top") == NULL ? false : true; 2999 } 3000 3001 static int has_required_arg(char *script_path) 3002 { 3003 struct script_desc *desc; 3004 int n_args = 0; 3005 char *p; 3006 3007 desc = script_desc__new(NULL); 3008 3009 if (read_script_info(desc, script_path)) 3010 goto out; 3011 3012 if (!desc->args) 3013 goto out; 3014 3015 for (p = desc->args; *p; p++) 3016 if (*p == '<') 3017 n_args++; 3018 out: 3019 script_desc__delete(desc); 3020 3021 return n_args; 3022 } 3023 3024 static int have_cmd(int argc, const char **argv) 3025 { 3026 char **__argv = malloc(sizeof(const char *) * argc); 3027 3028 if (!__argv) { 3029 pr_err("malloc failed\n"); 3030 return -1; 3031 } 3032 3033 memcpy(__argv, argv, sizeof(const char *) * argc); 3034 argc = parse_options(argc, (const char **)__argv, record_options, 3035 NULL, PARSE_OPT_STOP_AT_NON_OPTION); 3036 free(__argv); 3037 3038 system_wide = (argc == 0); 3039 3040 return 0; 3041 } 3042 3043 static void script__setup_sample_type(struct perf_script *script) 3044 { 3045 struct perf_session *session = script->session; 3046 u64 sample_type = perf_evlist__combined_sample_type(session->evlist); 3047 3048 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) { 3049 if ((sample_type & PERF_SAMPLE_REGS_USER) && 3050 (sample_type & PERF_SAMPLE_STACK_USER)) { 3051 callchain_param.record_mode = CALLCHAIN_DWARF; 3052 dwarf_callchain_users = true; 3053 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK) 3054 callchain_param.record_mode = CALLCHAIN_LBR; 3055 else 3056 callchain_param.record_mode = CALLCHAIN_FP; 3057 } 3058 } 3059 3060 static int process_stat_round_event(struct perf_session *session, 3061 union perf_event *event) 3062 { 3063 struct stat_round_event *round = &event->stat_round; 3064 struct perf_evsel *counter; 3065 3066 evlist__for_each_entry(session->evlist, counter) { 3067 perf_stat_process_counter(&stat_config, counter); 3068 process_stat(counter, round->time); 3069 } 3070 3071 process_stat_interval(round->time); 3072 return 0; 3073 } 3074 3075 static int process_stat_config_event(struct perf_session *session __maybe_unused, 3076 union perf_event *event) 3077 { 3078 perf_event__read_stat_config(&stat_config, &event->stat_config); 3079 return 0; 3080 } 3081 3082 static int set_maps(struct perf_script *script) 3083 { 3084 struct perf_evlist *evlist = script->session->evlist; 3085 3086 if (!script->cpus || !script->threads) 3087 return 0; 3088 3089 if (WARN_ONCE(script->allocated, "stats double allocation\n")) 3090 return -EINVAL; 3091 3092 perf_evlist__set_maps(evlist, script->cpus, script->threads); 3093 3094 if (perf_evlist__alloc_stats(evlist, true)) 3095 return -ENOMEM; 3096 3097 script->allocated = true; 3098 return 0; 3099 } 3100 3101 static 3102 int process_thread_map_event(struct perf_session *session, 3103 union perf_event *event) 3104 { 3105 struct perf_tool *tool = session->tool; 3106 struct perf_script *script = container_of(tool, struct perf_script, tool); 3107 3108 if (script->threads) { 3109 pr_warning("Extra thread map event, ignoring.\n"); 3110 return 0; 3111 } 3112 3113 script->threads = thread_map__new_event(&event->thread_map); 3114 if (!script->threads) 3115 return -ENOMEM; 3116 3117 return set_maps(script); 3118 } 3119 3120 static 3121 int process_cpu_map_event(struct perf_session *session, 3122 union perf_event *event) 3123 { 3124 struct perf_tool *tool = session->tool; 3125 struct perf_script *script = container_of(tool, struct perf_script, tool); 3126 3127 if (script->cpus) { 3128 pr_warning("Extra cpu map event, ignoring.\n"); 3129 return 0; 3130 } 3131 3132 script->cpus = cpu_map__new_data(&event->cpu_map.data); 3133 if (!script->cpus) 3134 return -ENOMEM; 3135 3136 return set_maps(script); 3137 } 3138 3139 static int process_feature_event(struct perf_session *session, 3140 union perf_event *event) 3141 { 3142 if (event->feat.feat_id < HEADER_LAST_FEATURE) 3143 return perf_event__process_feature(session, event); 3144 return 0; 3145 } 3146 3147 #ifdef HAVE_AUXTRACE_SUPPORT 3148 static int perf_script__process_auxtrace_info(struct perf_session *session, 3149 union perf_event *event) 3150 { 3151 struct perf_tool *tool = session->tool; 3152 3153 int ret = perf_event__process_auxtrace_info(session, event); 3154 3155 if (ret == 0) { 3156 struct perf_script *script = container_of(tool, struct perf_script, tool); 3157 3158 ret = perf_script__setup_per_event_dump(script); 3159 } 3160 3161 return ret; 3162 } 3163 #else 3164 #define perf_script__process_auxtrace_info 0 3165 #endif 3166 3167 static int parse_insn_trace(const struct option *opt __maybe_unused, 3168 const char *str __maybe_unused, 3169 int unset __maybe_unused) 3170 { 3171 parse_output_fields(NULL, "+insn,-event,-period", 0); 3172 itrace_parse_synth_opts(opt, "i0ns", 0); 3173 nanosecs = true; 3174 return 0; 3175 } 3176 3177 static int parse_xed(const struct option *opt __maybe_unused, 3178 const char *str __maybe_unused, 3179 int unset __maybe_unused) 3180 { 3181 force_pager("xed -F insn: -A -64 | less"); 3182 return 0; 3183 } 3184 3185 static int parse_call_trace(const struct option *opt __maybe_unused, 3186 const char *str __maybe_unused, 3187 int unset __maybe_unused) 3188 { 3189 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0); 3190 itrace_parse_synth_opts(opt, "cewp", 0); 3191 nanosecs = true; 3192 return 0; 3193 } 3194 3195 static int parse_callret_trace(const struct option *opt __maybe_unused, 3196 const char *str __maybe_unused, 3197 int unset __maybe_unused) 3198 { 3199 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0); 3200 itrace_parse_synth_opts(opt, "crewp", 0); 3201 nanosecs = true; 3202 return 0; 3203 } 3204 3205 int cmd_script(int argc, const char **argv) 3206 { 3207 bool show_full_info = false; 3208 bool header = false; 3209 bool header_only = false; 3210 bool script_started = false; 3211 char *rec_script_path = NULL; 3212 char *rep_script_path = NULL; 3213 struct perf_session *session; 3214 struct itrace_synth_opts itrace_synth_opts = { 3215 .set = false, 3216 .default_no_sample = true, 3217 }; 3218 char *script_path = NULL; 3219 const char **__argv; 3220 int i, j, err = 0; 3221 struct perf_script script = { 3222 .tool = { 3223 .sample = process_sample_event, 3224 .mmap = perf_event__process_mmap, 3225 .mmap2 = perf_event__process_mmap2, 3226 .comm = perf_event__process_comm, 3227 .namespaces = perf_event__process_namespaces, 3228 .exit = perf_event__process_exit, 3229 .fork = perf_event__process_fork, 3230 .attr = process_attr, 3231 .event_update = perf_event__process_event_update, 3232 .tracing_data = perf_event__process_tracing_data, 3233 .feature = process_feature_event, 3234 .build_id = perf_event__process_build_id, 3235 .id_index = perf_event__process_id_index, 3236 .auxtrace_info = perf_script__process_auxtrace_info, 3237 .auxtrace = perf_event__process_auxtrace, 3238 .auxtrace_error = perf_event__process_auxtrace_error, 3239 .stat = perf_event__process_stat_event, 3240 .stat_round = process_stat_round_event, 3241 .stat_config = process_stat_config_event, 3242 .thread_map = process_thread_map_event, 3243 .cpu_map = process_cpu_map_event, 3244 .ordered_events = true, 3245 .ordering_requires_timestamps = true, 3246 }, 3247 }; 3248 struct perf_data data = { 3249 .mode = PERF_DATA_MODE_READ, 3250 }; 3251 const struct option options[] = { 3252 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 3253 "dump raw trace in ASCII"), 3254 OPT_INCR('v', "verbose", &verbose, 3255 "be more verbose (show symbol address, etc)"), 3256 OPT_BOOLEAN('L', "Latency", &latency_format, 3257 "show latency attributes (irqs/preemption disabled, etc)"), 3258 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", 3259 list_available_scripts), 3260 OPT_CALLBACK('s', "script", NULL, "name", 3261 "script file name (lang:script name, script name, or *)", 3262 parse_scriptname), 3263 OPT_STRING('g', "gen-script", &generate_script_lang, "lang", 3264 "generate perf-script.xx script in specified language"), 3265 OPT_STRING('i', "input", &input_name, "file", "input file name"), 3266 OPT_BOOLEAN('d', "debug-mode", &debug_mode, 3267 "do various checks like samples ordering and lost events"), 3268 OPT_BOOLEAN(0, "header", &header, "Show data header."), 3269 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."), 3270 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 3271 "file", "vmlinux pathname"), 3272 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 3273 "file", "kallsyms pathname"), 3274 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, 3275 "When printing symbols do not display call chain"), 3276 OPT_CALLBACK(0, "symfs", NULL, "directory", 3277 "Look for files with symbols relative to this directory", 3278 symbol__config_symfs), 3279 OPT_CALLBACK('F', "fields", NULL, "str", 3280 "comma separated output fields prepend with 'type:'. " 3281 "+field to add and -field to remove." 3282 "Valid types: hw,sw,trace,raw,synth. " 3283 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso," 3284 "addr,symoff,srcline,period,iregs,uregs,brstack," 3285 "brstacksym,flags,bpf-output,brstackinsn,brstackoff," 3286 "callindent,insn,insnlen,synth,phys_addr,metric,misc", 3287 parse_output_fields), 3288 OPT_BOOLEAN('a', "all-cpus", &system_wide, 3289 "system-wide collection from all CPUs"), 3290 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 3291 "only consider these symbols"), 3292 OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL, 3293 "Decode instructions from itrace", parse_insn_trace), 3294 OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL, 3295 "Run xed disassembler on output", parse_xed), 3296 OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL, 3297 "Decode calls from from itrace", parse_call_trace), 3298 OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL, 3299 "Decode calls and returns from itrace", parse_callret_trace), 3300 OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]", 3301 "Only print symbols and callees with --call-trace/--call-ret-trace"), 3302 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]", 3303 "Stop display of callgraph at these symbols"), 3304 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), 3305 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 3306 "only display events for these comms"), 3307 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 3308 "only consider symbols in these pids"), 3309 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 3310 "only consider symbols in these tids"), 3311 OPT_UINTEGER(0, "max-stack", &scripting_max_stack, 3312 "Set the maximum stack depth when parsing the callchain, " 3313 "anything beyond the specified depth will be ignored. " 3314 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 3315 OPT_BOOLEAN('I', "show-info", &show_full_info, 3316 "display extended information from perf.data file"), 3317 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, 3318 "Show the path of [kernel.kallsyms]"), 3319 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, 3320 "Show the fork/comm/exit events"), 3321 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, 3322 "Show the mmap events"), 3323 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events, 3324 "Show context switch events (if recorded)"), 3325 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events, 3326 "Show namespace events (if recorded)"), 3327 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events, 3328 "Show lost events (if recorded)"), 3329 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events, 3330 "Show round events (if recorded)"), 3331 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump, 3332 "Dump trace output to files named by the monitored events"), 3333 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 3334 OPT_INTEGER(0, "max-blocks", &max_blocks, 3335 "Maximum number of code blocks to dump with brstackinsn"), 3336 OPT_BOOLEAN(0, "ns", &nanosecs, 3337 "Use 9 decimal places when displaying time"), 3338 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 3339 "Instruction Tracing options\n" ITRACE_HELP, 3340 itrace_parse_synth_opts), 3341 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 3342 "Show full source file name path for source lines"), 3343 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 3344 "Enable symbol demangling"), 3345 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 3346 "Enable kernel symbol demangling"), 3347 OPT_STRING(0, "time", &script.time_str, "str", 3348 "Time span of interest (start,stop)"), 3349 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 3350 "Show inline function"), 3351 OPT_END() 3352 }; 3353 const char * const script_subcommands[] = { "record", "report", NULL }; 3354 const char *script_usage[] = { 3355 "perf script [<options>]", 3356 "perf script [<options>] record <script> [<record-options>] <command>", 3357 "perf script [<options>] report <script> [script-args]", 3358 "perf script [<options>] <script> [<record-options>] <command>", 3359 "perf script [<options>] <top-script> [script-args]", 3360 NULL 3361 }; 3362 3363 perf_set_singlethreaded(); 3364 3365 setup_scripting(); 3366 3367 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage, 3368 PARSE_OPT_STOP_AT_NON_OPTION); 3369 3370 data.file.path = input_name; 3371 data.force = symbol_conf.force; 3372 3373 if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) { 3374 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); 3375 if (!rec_script_path) 3376 return cmd_record(argc, argv); 3377 } 3378 3379 if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) { 3380 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); 3381 if (!rep_script_path) { 3382 fprintf(stderr, 3383 "Please specify a valid report script" 3384 "(see 'perf script -l' for listing)\n"); 3385 return -1; 3386 } 3387 } 3388 3389 if (itrace_synth_opts.callchain && 3390 itrace_synth_opts.callchain_sz > scripting_max_stack) 3391 scripting_max_stack = itrace_synth_opts.callchain_sz; 3392 3393 /* make sure PERF_EXEC_PATH is set for scripts */ 3394 set_argv_exec_path(get_argv_exec_path()); 3395 3396 if (argc && !script_name && !rec_script_path && !rep_script_path) { 3397 int live_pipe[2]; 3398 int rep_args; 3399 pid_t pid; 3400 3401 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); 3402 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); 3403 3404 if (!rec_script_path && !rep_script_path) { 3405 usage_with_options_msg(script_usage, options, 3406 "Couldn't find script `%s'\n\n See perf" 3407 " script -l for available scripts.\n", argv[0]); 3408 } 3409 3410 if (is_top_script(argv[0])) { 3411 rep_args = argc - 1; 3412 } else { 3413 int rec_args; 3414 3415 rep_args = has_required_arg(rep_script_path); 3416 rec_args = (argc - 1) - rep_args; 3417 if (rec_args < 0) { 3418 usage_with_options_msg(script_usage, options, 3419 "`%s' script requires options." 3420 "\n\n See perf script -l for available " 3421 "scripts and options.\n", argv[0]); 3422 } 3423 } 3424 3425 if (pipe(live_pipe) < 0) { 3426 perror("failed to create pipe"); 3427 return -1; 3428 } 3429 3430 pid = fork(); 3431 if (pid < 0) { 3432 perror("failed to fork"); 3433 return -1; 3434 } 3435 3436 if (!pid) { 3437 j = 0; 3438 3439 dup2(live_pipe[1], 1); 3440 close(live_pipe[0]); 3441 3442 if (is_top_script(argv[0])) { 3443 system_wide = true; 3444 } else if (!system_wide) { 3445 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { 3446 err = -1; 3447 goto out; 3448 } 3449 } 3450 3451 __argv = malloc((argc + 6) * sizeof(const char *)); 3452 if (!__argv) { 3453 pr_err("malloc failed\n"); 3454 err = -ENOMEM; 3455 goto out; 3456 } 3457 3458 __argv[j++] = "/bin/sh"; 3459 __argv[j++] = rec_script_path; 3460 if (system_wide) 3461 __argv[j++] = "-a"; 3462 __argv[j++] = "-q"; 3463 __argv[j++] = "-o"; 3464 __argv[j++] = "-"; 3465 for (i = rep_args + 1; i < argc; i++) 3466 __argv[j++] = argv[i]; 3467 __argv[j++] = NULL; 3468 3469 execvp("/bin/sh", (char **)__argv); 3470 free(__argv); 3471 exit(-1); 3472 } 3473 3474 dup2(live_pipe[0], 0); 3475 close(live_pipe[1]); 3476 3477 __argv = malloc((argc + 4) * sizeof(const char *)); 3478 if (!__argv) { 3479 pr_err("malloc failed\n"); 3480 err = -ENOMEM; 3481 goto out; 3482 } 3483 3484 j = 0; 3485 __argv[j++] = "/bin/sh"; 3486 __argv[j++] = rep_script_path; 3487 for (i = 1; i < rep_args + 1; i++) 3488 __argv[j++] = argv[i]; 3489 __argv[j++] = "-i"; 3490 __argv[j++] = "-"; 3491 __argv[j++] = NULL; 3492 3493 execvp("/bin/sh", (char **)__argv); 3494 free(__argv); 3495 exit(-1); 3496 } 3497 3498 if (rec_script_path) 3499 script_path = rec_script_path; 3500 if (rep_script_path) 3501 script_path = rep_script_path; 3502 3503 if (script_path) { 3504 j = 0; 3505 3506 if (!rec_script_path) 3507 system_wide = false; 3508 else if (!system_wide) { 3509 if (have_cmd(argc - 1, &argv[1]) != 0) { 3510 err = -1; 3511 goto out; 3512 } 3513 } 3514 3515 __argv = malloc((argc + 2) * sizeof(const char *)); 3516 if (!__argv) { 3517 pr_err("malloc failed\n"); 3518 err = -ENOMEM; 3519 goto out; 3520 } 3521 3522 __argv[j++] = "/bin/sh"; 3523 __argv[j++] = script_path; 3524 if (system_wide) 3525 __argv[j++] = "-a"; 3526 for (i = 2; i < argc; i++) 3527 __argv[j++] = argv[i]; 3528 __argv[j++] = NULL; 3529 3530 execvp("/bin/sh", (char **)__argv); 3531 free(__argv); 3532 exit(-1); 3533 } 3534 3535 if (!script_name) { 3536 setup_pager(); 3537 use_browser = 0; 3538 } 3539 3540 session = perf_session__new(&data, false, &script.tool); 3541 if (session == NULL) 3542 return -1; 3543 3544 if (header || header_only) { 3545 script.tool.show_feat_hdr = SHOW_FEAT_HEADER; 3546 perf_session__fprintf_info(session, stdout, show_full_info); 3547 if (header_only) 3548 goto out_delete; 3549 } 3550 if (show_full_info) 3551 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 3552 3553 if (symbol__init(&session->header.env) < 0) 3554 goto out_delete; 3555 3556 script.session = session; 3557 script__setup_sample_type(&script); 3558 3559 if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) || 3560 symbol_conf.graph_function) 3561 itrace_synth_opts.thread_stack = true; 3562 3563 session->itrace_synth_opts = &itrace_synth_opts; 3564 3565 if (cpu_list) { 3566 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap); 3567 if (err < 0) 3568 goto out_delete; 3569 itrace_synth_opts.cpu_bitmap = cpu_bitmap; 3570 } 3571 3572 if (!no_callchain) 3573 symbol_conf.use_callchain = true; 3574 else 3575 symbol_conf.use_callchain = false; 3576 3577 if (session->tevent.pevent && 3578 tep_set_function_resolver(session->tevent.pevent, 3579 machine__resolve_kernel_addr, 3580 &session->machines.host) < 0) { 3581 pr_err("%s: failed to set libtraceevent function resolver\n", __func__); 3582 err = -1; 3583 goto out_delete; 3584 } 3585 3586 if (generate_script_lang) { 3587 struct stat perf_stat; 3588 int input; 3589 3590 if (output_set_by_user()) { 3591 fprintf(stderr, 3592 "custom fields not supported for generated scripts"); 3593 err = -EINVAL; 3594 goto out_delete; 3595 } 3596 3597 input = open(data.file.path, O_RDONLY); /* input_name */ 3598 if (input < 0) { 3599 err = -errno; 3600 perror("failed to open file"); 3601 goto out_delete; 3602 } 3603 3604 err = fstat(input, &perf_stat); 3605 if (err < 0) { 3606 perror("failed to stat file"); 3607 goto out_delete; 3608 } 3609 3610 if (!perf_stat.st_size) { 3611 fprintf(stderr, "zero-sized file, nothing to do!\n"); 3612 goto out_delete; 3613 } 3614 3615 scripting_ops = script_spec__lookup(generate_script_lang); 3616 if (!scripting_ops) { 3617 fprintf(stderr, "invalid language specifier"); 3618 err = -ENOENT; 3619 goto out_delete; 3620 } 3621 3622 err = scripting_ops->generate_script(session->tevent.pevent, 3623 "perf-script"); 3624 goto out_delete; 3625 } 3626 3627 if (script_name) { 3628 err = scripting_ops->start_script(script_name, argc, argv); 3629 if (err) 3630 goto out_delete; 3631 pr_debug("perf script started with script %s\n\n", script_name); 3632 script_started = true; 3633 } 3634 3635 3636 err = perf_session__check_output_opt(session); 3637 if (err < 0) 3638 goto out_delete; 3639 3640 script.ptime_range = perf_time__range_alloc(script.time_str, 3641 &script.range_size); 3642 if (!script.ptime_range) { 3643 err = -ENOMEM; 3644 goto out_delete; 3645 } 3646 3647 /* needs to be parsed after looking up reference time */ 3648 if (perf_time__parse_str(script.ptime_range, script.time_str) != 0) { 3649 if (session->evlist->first_sample_time == 0 && 3650 session->evlist->last_sample_time == 0) { 3651 pr_err("HINT: no first/last sample time found in perf data.\n" 3652 "Please use latest perf binary to execute 'perf record'\n" 3653 "(if '--buildid-all' is enabled, please set '--timestamp-boundary').\n"); 3654 err = -EINVAL; 3655 goto out_delete; 3656 } 3657 3658 script.range_num = perf_time__percent_parse_str( 3659 script.ptime_range, script.range_size, 3660 script.time_str, 3661 session->evlist->first_sample_time, 3662 session->evlist->last_sample_time); 3663 3664 if (script.range_num < 0) { 3665 pr_err("Invalid time string\n"); 3666 err = -EINVAL; 3667 goto out_delete; 3668 } 3669 } else { 3670 script.range_num = 1; 3671 } 3672 3673 err = __cmd_script(&script); 3674 3675 flush_scripting(); 3676 3677 out_delete: 3678 zfree(&script.ptime_range); 3679 3680 perf_evlist__free_stats(session->evlist); 3681 perf_session__delete(session); 3682 3683 if (script_started) 3684 cleanup_scripting(); 3685 out: 3686 return err; 3687 } 3688