1 // SPDX-License-Identifier: GPL-2.0 2 #include "builtin.h" 3 4 #include "perf.h" 5 #include "util/cache.h" 6 #include "util/debug.h" 7 #include <subcmd/exec-cmd.h> 8 #include "util/header.h" 9 #include <subcmd/parse-options.h> 10 #include "util/perf_regs.h" 11 #include "util/session.h" 12 #include "util/tool.h" 13 #include "util/symbol.h" 14 #include "util/thread.h" 15 #include "util/trace-event.h" 16 #include "util/util.h" 17 #include "util/evlist.h" 18 #include "util/evsel.h" 19 #include "util/sort.h" 20 #include "util/data.h" 21 #include "util/auxtrace.h" 22 #include "util/cpumap.h" 23 #include "util/thread_map.h" 24 #include "util/stat.h" 25 #include "util/color.h" 26 #include "util/string2.h" 27 #include "util/thread-stack.h" 28 #include "util/time-utils.h" 29 #include "util/path.h" 30 #include "print_binary.h" 31 #include <linux/bitmap.h> 32 #include <linux/kernel.h> 33 #include <linux/stringify.h> 34 #include <linux/time64.h> 35 #include "asm/bug.h" 36 #include "util/mem-events.h" 37 #include "util/dump-insn.h" 38 #include <dirent.h> 39 #include <errno.h> 40 #include <inttypes.h> 41 #include <signal.h> 42 #include <sys/param.h> 43 #include <sys/types.h> 44 #include <sys/stat.h> 45 #include <fcntl.h> 46 #include <unistd.h> 47 48 #include "sane_ctype.h" 49 50 static char const *script_name; 51 static char const *generate_script_lang; 52 static bool debug_mode; 53 static u64 last_timestamp; 54 static u64 nr_unordered; 55 static bool no_callchain; 56 static bool latency_format; 57 static bool system_wide; 58 static bool print_flags; 59 static bool nanosecs; 60 static const char *cpu_list; 61 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); 62 static struct perf_stat_config stat_config; 63 static int max_blocks; 64 65 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH; 66 67 enum perf_output_field { 68 PERF_OUTPUT_COMM = 1U << 0, 69 PERF_OUTPUT_TID = 1U << 1, 70 PERF_OUTPUT_PID = 1U << 2, 71 PERF_OUTPUT_TIME = 1U << 3, 72 PERF_OUTPUT_CPU = 1U << 4, 73 PERF_OUTPUT_EVNAME = 1U << 5, 74 PERF_OUTPUT_TRACE = 1U << 6, 75 PERF_OUTPUT_IP = 1U << 7, 76 PERF_OUTPUT_SYM = 1U << 8, 77 PERF_OUTPUT_DSO = 1U << 9, 78 PERF_OUTPUT_ADDR = 1U << 10, 79 PERF_OUTPUT_SYMOFFSET = 1U << 11, 80 PERF_OUTPUT_SRCLINE = 1U << 12, 81 PERF_OUTPUT_PERIOD = 1U << 13, 82 PERF_OUTPUT_IREGS = 1U << 14, 83 PERF_OUTPUT_BRSTACK = 1U << 15, 84 PERF_OUTPUT_BRSTACKSYM = 1U << 16, 85 PERF_OUTPUT_DATA_SRC = 1U << 17, 86 PERF_OUTPUT_WEIGHT = 1U << 18, 87 PERF_OUTPUT_BPF_OUTPUT = 1U << 19, 88 PERF_OUTPUT_CALLINDENT = 1U << 20, 89 PERF_OUTPUT_INSN = 1U << 21, 90 PERF_OUTPUT_INSNLEN = 1U << 22, 91 PERF_OUTPUT_BRSTACKINSN = 1U << 23, 92 PERF_OUTPUT_BRSTACKOFF = 1U << 24, 93 PERF_OUTPUT_SYNTH = 1U << 25, 94 PERF_OUTPUT_PHYS_ADDR = 1U << 26, 95 PERF_OUTPUT_UREGS = 1U << 27, 96 PERF_OUTPUT_METRIC = 1U << 28, 97 PERF_OUTPUT_MISC = 1U << 29, 98 }; 99 100 struct output_option { 101 const char *str; 102 enum perf_output_field field; 103 } all_output_options[] = { 104 {.str = "comm", .field = PERF_OUTPUT_COMM}, 105 {.str = "tid", .field = PERF_OUTPUT_TID}, 106 {.str = "pid", .field = PERF_OUTPUT_PID}, 107 {.str = "time", .field = PERF_OUTPUT_TIME}, 108 {.str = "cpu", .field = PERF_OUTPUT_CPU}, 109 {.str = "event", .field = PERF_OUTPUT_EVNAME}, 110 {.str = "trace", .field = PERF_OUTPUT_TRACE}, 111 {.str = "ip", .field = PERF_OUTPUT_IP}, 112 {.str = "sym", .field = PERF_OUTPUT_SYM}, 113 {.str = "dso", .field = PERF_OUTPUT_DSO}, 114 {.str = "addr", .field = PERF_OUTPUT_ADDR}, 115 {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET}, 116 {.str = "srcline", .field = PERF_OUTPUT_SRCLINE}, 117 {.str = "period", .field = PERF_OUTPUT_PERIOD}, 118 {.str = "iregs", .field = PERF_OUTPUT_IREGS}, 119 {.str = "uregs", .field = PERF_OUTPUT_UREGS}, 120 {.str = "brstack", .field = PERF_OUTPUT_BRSTACK}, 121 {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM}, 122 {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC}, 123 {.str = "weight", .field = PERF_OUTPUT_WEIGHT}, 124 {.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT}, 125 {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT}, 126 {.str = "insn", .field = PERF_OUTPUT_INSN}, 127 {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN}, 128 {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN}, 129 {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF}, 130 {.str = "synth", .field = PERF_OUTPUT_SYNTH}, 131 {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR}, 132 {.str = "metric", .field = PERF_OUTPUT_METRIC}, 133 {.str = "misc", .field = PERF_OUTPUT_MISC}, 134 }; 135 136 enum { 137 OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX, 138 OUTPUT_TYPE_MAX 139 }; 140 141 /* default set to maintain compatibility with current format */ 142 static struct { 143 bool user_set; 144 bool wildcard_set; 145 unsigned int print_ip_opts; 146 u64 fields; 147 u64 invalid_fields; 148 } output[OUTPUT_TYPE_MAX] = { 149 150 [PERF_TYPE_HARDWARE] = { 151 .user_set = false, 152 153 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 154 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 155 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 156 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 157 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 158 159 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 160 }, 161 162 [PERF_TYPE_SOFTWARE] = { 163 .user_set = false, 164 165 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 166 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 167 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 168 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 169 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 170 PERF_OUTPUT_BPF_OUTPUT, 171 172 .invalid_fields = PERF_OUTPUT_TRACE, 173 }, 174 175 [PERF_TYPE_TRACEPOINT] = { 176 .user_set = false, 177 178 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 179 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 180 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE 181 }, 182 183 [PERF_TYPE_HW_CACHE] = { 184 .user_set = false, 185 186 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 187 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 188 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 189 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 190 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 191 192 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 193 }, 194 195 [PERF_TYPE_RAW] = { 196 .user_set = false, 197 198 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 199 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 200 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 201 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 202 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 203 PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC | 204 PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR, 205 206 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 207 }, 208 209 [PERF_TYPE_BREAKPOINT] = { 210 .user_set = false, 211 212 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 213 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 214 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 215 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 216 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 217 218 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 219 }, 220 221 [OUTPUT_TYPE_SYNTH] = { 222 .user_set = false, 223 224 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 225 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 226 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 227 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 228 PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH, 229 230 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 231 }, 232 }; 233 234 struct perf_evsel_script { 235 char *filename; 236 FILE *fp; 237 u64 samples; 238 /* For metric output */ 239 u64 val; 240 int gnum; 241 }; 242 243 static inline struct perf_evsel_script *evsel_script(struct perf_evsel *evsel) 244 { 245 return (struct perf_evsel_script *)evsel->priv; 246 } 247 248 static struct perf_evsel_script *perf_evsel_script__new(struct perf_evsel *evsel, 249 struct perf_data *data) 250 { 251 struct perf_evsel_script *es = zalloc(sizeof(*es)); 252 253 if (es != NULL) { 254 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, perf_evsel__name(evsel)) < 0) 255 goto out_free; 256 es->fp = fopen(es->filename, "w"); 257 if (es->fp == NULL) 258 goto out_free_filename; 259 } 260 261 return es; 262 out_free_filename: 263 zfree(&es->filename); 264 out_free: 265 free(es); 266 return NULL; 267 } 268 269 static void perf_evsel_script__delete(struct perf_evsel_script *es) 270 { 271 zfree(&es->filename); 272 fclose(es->fp); 273 es->fp = NULL; 274 free(es); 275 } 276 277 static int perf_evsel_script__fprintf(struct perf_evsel_script *es, FILE *fp) 278 { 279 struct stat st; 280 281 fstat(fileno(es->fp), &st); 282 return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n", 283 st.st_size / 1024.0 / 1024.0, es->filename, es->samples); 284 } 285 286 static inline int output_type(unsigned int type) 287 { 288 switch (type) { 289 case PERF_TYPE_SYNTH: 290 return OUTPUT_TYPE_SYNTH; 291 default: 292 return type; 293 } 294 } 295 296 static inline unsigned int attr_type(unsigned int type) 297 { 298 switch (type) { 299 case OUTPUT_TYPE_SYNTH: 300 return PERF_TYPE_SYNTH; 301 default: 302 return type; 303 } 304 } 305 306 static bool output_set_by_user(void) 307 { 308 int j; 309 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 310 if (output[j].user_set) 311 return true; 312 } 313 return false; 314 } 315 316 static const char *output_field2str(enum perf_output_field field) 317 { 318 int i, imax = ARRAY_SIZE(all_output_options); 319 const char *str = ""; 320 321 for (i = 0; i < imax; ++i) { 322 if (all_output_options[i].field == field) { 323 str = all_output_options[i].str; 324 break; 325 } 326 } 327 return str; 328 } 329 330 #define PRINT_FIELD(x) (output[output_type(attr->type)].fields & PERF_OUTPUT_##x) 331 332 static int perf_evsel__do_check_stype(struct perf_evsel *evsel, 333 u64 sample_type, const char *sample_msg, 334 enum perf_output_field field, 335 bool allow_user_set) 336 { 337 struct perf_event_attr *attr = &evsel->attr; 338 int type = output_type(attr->type); 339 const char *evname; 340 341 if (attr->sample_type & sample_type) 342 return 0; 343 344 if (output[type].user_set) { 345 if (allow_user_set) 346 return 0; 347 evname = perf_evsel__name(evsel); 348 pr_err("Samples for '%s' event do not have %s attribute set. " 349 "Cannot print '%s' field.\n", 350 evname, sample_msg, output_field2str(field)); 351 return -1; 352 } 353 354 /* user did not ask for it explicitly so remove from the default list */ 355 output[type].fields &= ~field; 356 evname = perf_evsel__name(evsel); 357 pr_debug("Samples for '%s' event do not have %s attribute set. " 358 "Skipping '%s' field.\n", 359 evname, sample_msg, output_field2str(field)); 360 361 return 0; 362 } 363 364 static int perf_evsel__check_stype(struct perf_evsel *evsel, 365 u64 sample_type, const char *sample_msg, 366 enum perf_output_field field) 367 { 368 return perf_evsel__do_check_stype(evsel, sample_type, sample_msg, field, 369 false); 370 } 371 372 static int perf_evsel__check_attr(struct perf_evsel *evsel, 373 struct perf_session *session) 374 { 375 struct perf_event_attr *attr = &evsel->attr; 376 bool allow_user_set; 377 378 if (perf_header__has_feat(&session->header, HEADER_STAT)) 379 return 0; 380 381 allow_user_set = perf_header__has_feat(&session->header, 382 HEADER_AUXTRACE); 383 384 if (PRINT_FIELD(TRACE) && 385 !perf_session__has_traces(session, "record -R")) 386 return -EINVAL; 387 388 if (PRINT_FIELD(IP)) { 389 if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", 390 PERF_OUTPUT_IP)) 391 return -EINVAL; 392 } 393 394 if (PRINT_FIELD(ADDR) && 395 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", 396 PERF_OUTPUT_ADDR, allow_user_set)) 397 return -EINVAL; 398 399 if (PRINT_FIELD(DATA_SRC) && 400 perf_evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", 401 PERF_OUTPUT_DATA_SRC)) 402 return -EINVAL; 403 404 if (PRINT_FIELD(WEIGHT) && 405 perf_evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT", 406 PERF_OUTPUT_WEIGHT)) 407 return -EINVAL; 408 409 if (PRINT_FIELD(SYM) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) { 410 pr_err("Display of symbols requested but neither sample IP nor " 411 "sample address\nis selected. Hence, no addresses to convert " 412 "to symbols.\n"); 413 return -EINVAL; 414 } 415 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) { 416 pr_err("Display of offsets requested but symbol is not" 417 "selected.\n"); 418 return -EINVAL; 419 } 420 if (PRINT_FIELD(DSO) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR) && 421 !PRINT_FIELD(BRSTACK) && !PRINT_FIELD(BRSTACKSYM) && !PRINT_FIELD(BRSTACKOFF)) { 422 pr_err("Display of DSO requested but no address to convert. Select\n" 423 "sample IP, sample address, brstack, brstacksym, or brstackoff.\n"); 424 return -EINVAL; 425 } 426 if (PRINT_FIELD(SRCLINE) && !PRINT_FIELD(IP)) { 427 pr_err("Display of source line number requested but sample IP is not\n" 428 "selected. Hence, no address to lookup the source line number.\n"); 429 return -EINVAL; 430 } 431 if (PRINT_FIELD(BRSTACKINSN) && 432 !(perf_evlist__combined_branch_type(session->evlist) & 433 PERF_SAMPLE_BRANCH_ANY)) { 434 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n" 435 "Hint: run 'perf record -b ...'\n"); 436 return -EINVAL; 437 } 438 if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) && 439 perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", 440 PERF_OUTPUT_TID|PERF_OUTPUT_PID)) 441 return -EINVAL; 442 443 if (PRINT_FIELD(TIME) && 444 perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", 445 PERF_OUTPUT_TIME)) 446 return -EINVAL; 447 448 if (PRINT_FIELD(CPU) && 449 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", 450 PERF_OUTPUT_CPU, allow_user_set)) 451 return -EINVAL; 452 453 if (PRINT_FIELD(IREGS) && 454 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", 455 PERF_OUTPUT_IREGS)) 456 return -EINVAL; 457 458 if (PRINT_FIELD(UREGS) && 459 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", 460 PERF_OUTPUT_UREGS)) 461 return -EINVAL; 462 463 if (PRINT_FIELD(PHYS_ADDR) && 464 perf_evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", 465 PERF_OUTPUT_PHYS_ADDR)) 466 return -EINVAL; 467 468 return 0; 469 } 470 471 static void set_print_ip_opts(struct perf_event_attr *attr) 472 { 473 unsigned int type = output_type(attr->type); 474 475 output[type].print_ip_opts = 0; 476 if (PRINT_FIELD(IP)) 477 output[type].print_ip_opts |= EVSEL__PRINT_IP; 478 479 if (PRINT_FIELD(SYM)) 480 output[type].print_ip_opts |= EVSEL__PRINT_SYM; 481 482 if (PRINT_FIELD(DSO)) 483 output[type].print_ip_opts |= EVSEL__PRINT_DSO; 484 485 if (PRINT_FIELD(SYMOFFSET)) 486 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET; 487 488 if (PRINT_FIELD(SRCLINE)) 489 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE; 490 } 491 492 /* 493 * verify all user requested events exist and the samples 494 * have the expected data 495 */ 496 static int perf_session__check_output_opt(struct perf_session *session) 497 { 498 unsigned int j; 499 struct perf_evsel *evsel; 500 501 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 502 evsel = perf_session__find_first_evtype(session, attr_type(j)); 503 504 /* 505 * even if fields is set to 0 (ie., show nothing) event must 506 * exist if user explicitly includes it on the command line 507 */ 508 if (!evsel && output[j].user_set && !output[j].wildcard_set && 509 j != OUTPUT_TYPE_SYNTH) { 510 pr_err("%s events do not exist. " 511 "Remove corresponding -F option to proceed.\n", 512 event_type(j)); 513 return -1; 514 } 515 516 if (evsel && output[j].fields && 517 perf_evsel__check_attr(evsel, session)) 518 return -1; 519 520 if (evsel == NULL) 521 continue; 522 523 set_print_ip_opts(&evsel->attr); 524 } 525 526 if (!no_callchain) { 527 bool use_callchain = false; 528 bool not_pipe = false; 529 530 evlist__for_each_entry(session->evlist, evsel) { 531 not_pipe = true; 532 if (evsel__has_callchain(evsel)) { 533 use_callchain = true; 534 break; 535 } 536 } 537 if (not_pipe && !use_callchain) 538 symbol_conf.use_callchain = false; 539 } 540 541 /* 542 * set default for tracepoints to print symbols only 543 * if callchains are present 544 */ 545 if (symbol_conf.use_callchain && 546 !output[PERF_TYPE_TRACEPOINT].user_set) { 547 j = PERF_TYPE_TRACEPOINT; 548 549 evlist__for_each_entry(session->evlist, evsel) { 550 if (evsel->attr.type != j) 551 continue; 552 553 if (evsel__has_callchain(evsel)) { 554 output[j].fields |= PERF_OUTPUT_IP; 555 output[j].fields |= PERF_OUTPUT_SYM; 556 output[j].fields |= PERF_OUTPUT_SYMOFFSET; 557 output[j].fields |= PERF_OUTPUT_DSO; 558 set_print_ip_opts(&evsel->attr); 559 goto out; 560 } 561 } 562 } 563 564 out: 565 return 0; 566 } 567 568 static int perf_sample__fprintf_iregs(struct perf_sample *sample, 569 struct perf_event_attr *attr, FILE *fp) 570 { 571 struct regs_dump *regs = &sample->intr_regs; 572 uint64_t mask = attr->sample_regs_intr; 573 unsigned i = 0, r; 574 int printed = 0; 575 576 if (!regs) 577 return 0; 578 579 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) { 580 u64 val = regs->regs[i++]; 581 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val); 582 } 583 584 return printed; 585 } 586 587 static int perf_sample__fprintf_uregs(struct perf_sample *sample, 588 struct perf_event_attr *attr, FILE *fp) 589 { 590 struct regs_dump *regs = &sample->user_regs; 591 uint64_t mask = attr->sample_regs_user; 592 unsigned i = 0, r; 593 int printed = 0; 594 595 if (!regs || !regs->regs) 596 return 0; 597 598 printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi); 599 600 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) { 601 u64 val = regs->regs[i++]; 602 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val); 603 } 604 605 return printed; 606 } 607 608 static int perf_sample__fprintf_start(struct perf_sample *sample, 609 struct thread *thread, 610 struct perf_evsel *evsel, 611 u32 type, FILE *fp) 612 { 613 struct perf_event_attr *attr = &evsel->attr; 614 unsigned long secs; 615 unsigned long long nsecs; 616 int printed = 0; 617 618 if (PRINT_FIELD(COMM)) { 619 if (latency_format) 620 printed += fprintf(fp, "%8.8s ", thread__comm_str(thread)); 621 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain) 622 printed += fprintf(fp, "%s ", thread__comm_str(thread)); 623 else 624 printed += fprintf(fp, "%16s ", thread__comm_str(thread)); 625 } 626 627 if (PRINT_FIELD(PID) && PRINT_FIELD(TID)) 628 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid); 629 else if (PRINT_FIELD(PID)) 630 printed += fprintf(fp, "%5d ", sample->pid); 631 else if (PRINT_FIELD(TID)) 632 printed += fprintf(fp, "%5d ", sample->tid); 633 634 if (PRINT_FIELD(CPU)) { 635 if (latency_format) 636 printed += fprintf(fp, "%3d ", sample->cpu); 637 else 638 printed += fprintf(fp, "[%03d] ", sample->cpu); 639 } 640 641 if (PRINT_FIELD(MISC)) { 642 int ret = 0; 643 644 #define has(m) \ 645 (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m 646 647 if (has(KERNEL)) 648 ret += fprintf(fp, "K"); 649 if (has(USER)) 650 ret += fprintf(fp, "U"); 651 if (has(HYPERVISOR)) 652 ret += fprintf(fp, "H"); 653 if (has(GUEST_KERNEL)) 654 ret += fprintf(fp, "G"); 655 if (has(GUEST_USER)) 656 ret += fprintf(fp, "g"); 657 658 switch (type) { 659 case PERF_RECORD_MMAP: 660 case PERF_RECORD_MMAP2: 661 if (has(MMAP_DATA)) 662 ret += fprintf(fp, "M"); 663 break; 664 case PERF_RECORD_COMM: 665 if (has(COMM_EXEC)) 666 ret += fprintf(fp, "E"); 667 break; 668 case PERF_RECORD_SWITCH: 669 case PERF_RECORD_SWITCH_CPU_WIDE: 670 if (has(SWITCH_OUT)) { 671 ret += fprintf(fp, "S"); 672 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT) 673 ret += fprintf(fp, "p"); 674 } 675 default: 676 break; 677 } 678 679 #undef has 680 681 ret += fprintf(fp, "%*s", 6 - ret, " "); 682 printed += ret; 683 } 684 685 if (PRINT_FIELD(TIME)) { 686 nsecs = sample->time; 687 secs = nsecs / NSEC_PER_SEC; 688 nsecs -= secs * NSEC_PER_SEC; 689 690 if (nanosecs) 691 printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs); 692 else { 693 char sample_time[32]; 694 timestamp__scnprintf_usec(sample->time, sample_time, sizeof(sample_time)); 695 printed += fprintf(fp, "%12s: ", sample_time); 696 } 697 } 698 699 return printed; 700 } 701 702 static inline char 703 mispred_str(struct branch_entry *br) 704 { 705 if (!(br->flags.mispred || br->flags.predicted)) 706 return '-'; 707 708 return br->flags.predicted ? 'P' : 'M'; 709 } 710 711 static int perf_sample__fprintf_brstack(struct perf_sample *sample, 712 struct thread *thread, 713 struct perf_event_attr *attr, FILE *fp) 714 { 715 struct branch_stack *br = sample->branch_stack; 716 struct addr_location alf, alt; 717 u64 i, from, to; 718 int printed = 0; 719 720 if (!(br && br->nr)) 721 return 0; 722 723 for (i = 0; i < br->nr; i++) { 724 from = br->entries[i].from; 725 to = br->entries[i].to; 726 727 if (PRINT_FIELD(DSO)) { 728 memset(&alf, 0, sizeof(alf)); 729 memset(&alt, 0, sizeof(alt)); 730 thread__find_map(thread, sample->cpumode, from, &alf); 731 thread__find_map(thread, sample->cpumode, to, &alt); 732 } 733 734 printed += fprintf(fp, " 0x%"PRIx64, from); 735 if (PRINT_FIELD(DSO)) { 736 printed += fprintf(fp, "("); 737 printed += map__fprintf_dsoname(alf.map, fp); 738 printed += fprintf(fp, ")"); 739 } 740 741 printed += fprintf(fp, "/0x%"PRIx64, to); 742 if (PRINT_FIELD(DSO)) { 743 printed += fprintf(fp, "("); 744 printed += map__fprintf_dsoname(alt.map, fp); 745 printed += fprintf(fp, ")"); 746 } 747 748 printed += fprintf(fp, "/%c/%c/%c/%d ", 749 mispred_str( br->entries + i), 750 br->entries[i].flags.in_tx? 'X' : '-', 751 br->entries[i].flags.abort? 'A' : '-', 752 br->entries[i].flags.cycles); 753 } 754 755 return printed; 756 } 757 758 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample, 759 struct thread *thread, 760 struct perf_event_attr *attr, FILE *fp) 761 { 762 struct branch_stack *br = sample->branch_stack; 763 struct addr_location alf, alt; 764 u64 i, from, to; 765 int printed = 0; 766 767 if (!(br && br->nr)) 768 return 0; 769 770 for (i = 0; i < br->nr; i++) { 771 772 memset(&alf, 0, sizeof(alf)); 773 memset(&alt, 0, sizeof(alt)); 774 from = br->entries[i].from; 775 to = br->entries[i].to; 776 777 thread__find_symbol(thread, sample->cpumode, from, &alf); 778 thread__find_symbol(thread, sample->cpumode, to, &alt); 779 780 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp); 781 if (PRINT_FIELD(DSO)) { 782 printed += fprintf(fp, "("); 783 printed += map__fprintf_dsoname(alf.map, fp); 784 printed += fprintf(fp, ")"); 785 } 786 printed += fprintf(fp, "%c", '/'); 787 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp); 788 if (PRINT_FIELD(DSO)) { 789 printed += fprintf(fp, "("); 790 printed += map__fprintf_dsoname(alt.map, fp); 791 printed += fprintf(fp, ")"); 792 } 793 printed += fprintf(fp, "/%c/%c/%c/%d ", 794 mispred_str( br->entries + i), 795 br->entries[i].flags.in_tx? 'X' : '-', 796 br->entries[i].flags.abort? 'A' : '-', 797 br->entries[i].flags.cycles); 798 } 799 800 return printed; 801 } 802 803 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample, 804 struct thread *thread, 805 struct perf_event_attr *attr, FILE *fp) 806 { 807 struct branch_stack *br = sample->branch_stack; 808 struct addr_location alf, alt; 809 u64 i, from, to; 810 int printed = 0; 811 812 if (!(br && br->nr)) 813 return 0; 814 815 for (i = 0; i < br->nr; i++) { 816 817 memset(&alf, 0, sizeof(alf)); 818 memset(&alt, 0, sizeof(alt)); 819 from = br->entries[i].from; 820 to = br->entries[i].to; 821 822 if (thread__find_map(thread, sample->cpumode, from, &alf) && 823 !alf.map->dso->adjust_symbols) 824 from = map__map_ip(alf.map, from); 825 826 if (thread__find_map(thread, sample->cpumode, to, &alt) && 827 !alt.map->dso->adjust_symbols) 828 to = map__map_ip(alt.map, to); 829 830 printed += fprintf(fp, " 0x%"PRIx64, from); 831 if (PRINT_FIELD(DSO)) { 832 printed += fprintf(fp, "("); 833 printed += map__fprintf_dsoname(alf.map, fp); 834 printed += fprintf(fp, ")"); 835 } 836 printed += fprintf(fp, "/0x%"PRIx64, to); 837 if (PRINT_FIELD(DSO)) { 838 printed += fprintf(fp, "("); 839 printed += map__fprintf_dsoname(alt.map, fp); 840 printed += fprintf(fp, ")"); 841 } 842 printed += fprintf(fp, "/%c/%c/%c/%d ", 843 mispred_str(br->entries + i), 844 br->entries[i].flags.in_tx ? 'X' : '-', 845 br->entries[i].flags.abort ? 'A' : '-', 846 br->entries[i].flags.cycles); 847 } 848 849 return printed; 850 } 851 #define MAXBB 16384UL 852 853 static int grab_bb(u8 *buffer, u64 start, u64 end, 854 struct machine *machine, struct thread *thread, 855 bool *is64bit, u8 *cpumode, bool last) 856 { 857 long offset, len; 858 struct addr_location al; 859 bool kernel; 860 861 if (!start || !end) 862 return 0; 863 864 kernel = machine__kernel_ip(machine, start); 865 if (kernel) 866 *cpumode = PERF_RECORD_MISC_KERNEL; 867 else 868 *cpumode = PERF_RECORD_MISC_USER; 869 870 /* 871 * Block overlaps between kernel and user. 872 * This can happen due to ring filtering 873 * On Intel CPUs the entry into the kernel is filtered, 874 * but the exit is not. Let the caller patch it up. 875 */ 876 if (kernel != machine__kernel_ip(machine, end)) { 877 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end); 878 return -ENXIO; 879 } 880 881 memset(&al, 0, sizeof(al)); 882 if (end - start > MAXBB - MAXINSN) { 883 if (last) 884 pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end); 885 else 886 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start); 887 return 0; 888 } 889 890 if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) { 891 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 892 return 0; 893 } 894 if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) { 895 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 896 return 0; 897 } 898 899 /* Load maps to ensure dso->is_64_bit has been updated */ 900 map__load(al.map); 901 902 offset = al.map->map_ip(al.map, start); 903 len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer, 904 end - start + MAXINSN); 905 906 *is64bit = al.map->dso->is_64_bit; 907 if (len <= 0) 908 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n", 909 start, end); 910 return len; 911 } 912 913 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en, 914 struct perf_insn *x, u8 *inbuf, int len, 915 int insn, FILE *fp) 916 { 917 int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip, 918 dump_insn(x, ip, inbuf, len, NULL), 919 en->flags.predicted ? " PRED" : "", 920 en->flags.mispred ? " MISPRED" : "", 921 en->flags.in_tx ? " INTX" : "", 922 en->flags.abort ? " ABORT" : ""); 923 if (en->flags.cycles) { 924 printed += fprintf(fp, " %d cycles", en->flags.cycles); 925 if (insn) 926 printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles); 927 } 928 return printed + fprintf(fp, "\n"); 929 } 930 931 static int ip__fprintf_sym(uint64_t addr, struct thread *thread, 932 u8 cpumode, int cpu, struct symbol **lastsym, 933 struct perf_event_attr *attr, FILE *fp) 934 { 935 struct addr_location al; 936 int off, printed = 0; 937 938 memset(&al, 0, sizeof(al)); 939 940 thread__find_map(thread, cpumode, addr, &al); 941 942 if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end) 943 return 0; 944 945 al.cpu = cpu; 946 al.sym = NULL; 947 if (al.map) 948 al.sym = map__find_symbol(al.map, al.addr); 949 950 if (!al.sym) 951 return 0; 952 953 if (al.addr < al.sym->end) 954 off = al.addr - al.sym->start; 955 else 956 off = al.addr - al.map->start - al.sym->start; 957 printed += fprintf(fp, "\t%s", al.sym->name); 958 if (off) 959 printed += fprintf(fp, "%+d", off); 960 printed += fprintf(fp, ":"); 961 if (PRINT_FIELD(SRCLINE)) 962 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp); 963 printed += fprintf(fp, "\n"); 964 *lastsym = al.sym; 965 966 return printed; 967 } 968 969 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample, 970 struct thread *thread, 971 struct perf_event_attr *attr, 972 struct machine *machine, FILE *fp) 973 { 974 struct branch_stack *br = sample->branch_stack; 975 u64 start, end; 976 int i, insn, len, nr, ilen, printed = 0; 977 struct perf_insn x; 978 u8 buffer[MAXBB]; 979 unsigned off; 980 struct symbol *lastsym = NULL; 981 982 if (!(br && br->nr)) 983 return 0; 984 nr = br->nr; 985 if (max_blocks && nr > max_blocks + 1) 986 nr = max_blocks + 1; 987 988 x.thread = thread; 989 x.cpu = sample->cpu; 990 991 printed += fprintf(fp, "%c", '\n'); 992 993 /* Handle first from jump, of which we don't know the entry. */ 994 len = grab_bb(buffer, br->entries[nr-1].from, 995 br->entries[nr-1].from, 996 machine, thread, &x.is64bit, &x.cpumode, false); 997 if (len > 0) { 998 printed += ip__fprintf_sym(br->entries[nr - 1].from, thread, 999 x.cpumode, x.cpu, &lastsym, attr, fp); 1000 printed += ip__fprintf_jump(br->entries[nr - 1].from, &br->entries[nr - 1], 1001 &x, buffer, len, 0, fp); 1002 } 1003 1004 /* Print all blocks */ 1005 for (i = nr - 2; i >= 0; i--) { 1006 if (br->entries[i].from || br->entries[i].to) 1007 pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i, 1008 br->entries[i].from, 1009 br->entries[i].to); 1010 start = br->entries[i + 1].to; 1011 end = br->entries[i].from; 1012 1013 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1014 /* Patch up missing kernel transfers due to ring filters */ 1015 if (len == -ENXIO && i > 0) { 1016 end = br->entries[--i].from; 1017 pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end); 1018 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1019 } 1020 if (len <= 0) 1021 continue; 1022 1023 insn = 0; 1024 for (off = 0;; off += ilen) { 1025 uint64_t ip = start + off; 1026 1027 printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1028 if (ip == end) { 1029 printed += ip__fprintf_jump(ip, &br->entries[i], &x, buffer + off, len - off, insn, fp); 1030 break; 1031 } else { 1032 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip, 1033 dump_insn(&x, ip, buffer + off, len - off, &ilen)); 1034 if (ilen == 0) 1035 break; 1036 insn++; 1037 } 1038 } 1039 } 1040 1041 /* 1042 * Hit the branch? In this case we are already done, and the target 1043 * has not been executed yet. 1044 */ 1045 if (br->entries[0].from == sample->ip) 1046 goto out; 1047 if (br->entries[0].flags.abort) 1048 goto out; 1049 1050 /* 1051 * Print final block upto sample 1052 */ 1053 start = br->entries[0].to; 1054 end = sample->ip; 1055 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true); 1056 printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1057 if (len <= 0) { 1058 /* Print at least last IP if basic block did not work */ 1059 len = grab_bb(buffer, sample->ip, sample->ip, 1060 machine, thread, &x.is64bit, &x.cpumode, false); 1061 if (len <= 0) 1062 goto out; 1063 1064 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip, 1065 dump_insn(&x, sample->ip, buffer, len, NULL)); 1066 goto out; 1067 } 1068 for (off = 0; off <= end - start; off += ilen) { 1069 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off, 1070 dump_insn(&x, start + off, buffer + off, len - off, &ilen)); 1071 if (ilen == 0) 1072 break; 1073 } 1074 out: 1075 return printed; 1076 } 1077 1078 static int perf_sample__fprintf_addr(struct perf_sample *sample, 1079 struct thread *thread, 1080 struct perf_event_attr *attr, FILE *fp) 1081 { 1082 struct addr_location al; 1083 int printed = fprintf(fp, "%16" PRIx64, sample->addr); 1084 1085 if (!sample_addr_correlates_sym(attr)) 1086 goto out; 1087 1088 thread__resolve(thread, &al, sample); 1089 1090 if (PRINT_FIELD(SYM)) { 1091 printed += fprintf(fp, " "); 1092 if (PRINT_FIELD(SYMOFFSET)) 1093 printed += symbol__fprintf_symname_offs(al.sym, &al, fp); 1094 else 1095 printed += symbol__fprintf_symname(al.sym, fp); 1096 } 1097 1098 if (PRINT_FIELD(DSO)) { 1099 printed += fprintf(fp, " ("); 1100 printed += map__fprintf_dsoname(al.map, fp); 1101 printed += fprintf(fp, ")"); 1102 } 1103 out: 1104 return printed; 1105 } 1106 1107 static int perf_sample__fprintf_callindent(struct perf_sample *sample, 1108 struct perf_evsel *evsel, 1109 struct thread *thread, 1110 struct addr_location *al, FILE *fp) 1111 { 1112 struct perf_event_attr *attr = &evsel->attr; 1113 size_t depth = thread_stack__depth(thread); 1114 struct addr_location addr_al; 1115 const char *name = NULL; 1116 static int spacing; 1117 int len = 0; 1118 u64 ip = 0; 1119 1120 /* 1121 * The 'return' has already been popped off the stack so the depth has 1122 * to be adjusted to match the 'call'. 1123 */ 1124 if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN) 1125 depth += 1; 1126 1127 if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) { 1128 if (sample_addr_correlates_sym(attr)) { 1129 thread__resolve(thread, &addr_al, sample); 1130 if (addr_al.sym) 1131 name = addr_al.sym->name; 1132 else 1133 ip = sample->addr; 1134 } else { 1135 ip = sample->addr; 1136 } 1137 } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) { 1138 if (al->sym) 1139 name = al->sym->name; 1140 else 1141 ip = sample->ip; 1142 } 1143 1144 if (name) 1145 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name); 1146 else if (ip) 1147 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip); 1148 1149 if (len < 0) 1150 return len; 1151 1152 /* 1153 * Try to keep the output length from changing frequently so that the 1154 * output lines up more nicely. 1155 */ 1156 if (len > spacing || (len && len < spacing - 52)) 1157 spacing = round_up(len + 4, 32); 1158 1159 if (len < spacing) 1160 len += fprintf(fp, "%*s", spacing - len, ""); 1161 1162 return len; 1163 } 1164 1165 static int perf_sample__fprintf_insn(struct perf_sample *sample, 1166 struct perf_event_attr *attr, 1167 struct thread *thread, 1168 struct machine *machine, FILE *fp) 1169 { 1170 int printed = 0; 1171 1172 if (PRINT_FIELD(INSNLEN)) 1173 printed += fprintf(fp, " ilen: %d", sample->insn_len); 1174 if (PRINT_FIELD(INSN)) { 1175 int i; 1176 1177 printed += fprintf(fp, " insn:"); 1178 for (i = 0; i < sample->insn_len; i++) 1179 printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]); 1180 } 1181 if (PRINT_FIELD(BRSTACKINSN)) 1182 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp); 1183 1184 return printed; 1185 } 1186 1187 static int perf_sample__fprintf_bts(struct perf_sample *sample, 1188 struct perf_evsel *evsel, 1189 struct thread *thread, 1190 struct addr_location *al, 1191 struct machine *machine, FILE *fp) 1192 { 1193 struct perf_event_attr *attr = &evsel->attr; 1194 unsigned int type = output_type(attr->type); 1195 bool print_srcline_last = false; 1196 int printed = 0; 1197 1198 if (PRINT_FIELD(CALLINDENT)) 1199 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp); 1200 1201 /* print branch_from information */ 1202 if (PRINT_FIELD(IP)) { 1203 unsigned int print_opts = output[type].print_ip_opts; 1204 struct callchain_cursor *cursor = NULL; 1205 1206 if (symbol_conf.use_callchain && sample->callchain && 1207 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 1208 sample, NULL, NULL, scripting_max_stack) == 0) 1209 cursor = &callchain_cursor; 1210 1211 if (cursor == NULL) { 1212 printed += fprintf(fp, " "); 1213 if (print_opts & EVSEL__PRINT_SRCLINE) { 1214 print_srcline_last = true; 1215 print_opts &= ~EVSEL__PRINT_SRCLINE; 1216 } 1217 } else 1218 printed += fprintf(fp, "\n"); 1219 1220 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, fp); 1221 } 1222 1223 /* print branch_to information */ 1224 if (PRINT_FIELD(ADDR) || 1225 ((evsel->attr.sample_type & PERF_SAMPLE_ADDR) && 1226 !output[type].user_set)) { 1227 printed += fprintf(fp, " => "); 1228 printed += perf_sample__fprintf_addr(sample, thread, attr, fp); 1229 } 1230 1231 if (print_srcline_last) 1232 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp); 1233 1234 printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 1235 return printed + fprintf(fp, "\n"); 1236 } 1237 1238 static struct { 1239 u32 flags; 1240 const char *name; 1241 } sample_flags[] = { 1242 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"}, 1243 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"}, 1244 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"}, 1245 {PERF_IP_FLAG_BRANCH, "jmp"}, 1246 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"}, 1247 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"}, 1248 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"}, 1249 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"}, 1250 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"}, 1251 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"}, 1252 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"}, 1253 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"}, 1254 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"}, 1255 {0, NULL} 1256 }; 1257 1258 static int perf_sample__fprintf_flags(u32 flags, FILE *fp) 1259 { 1260 const char *chars = PERF_IP_FLAG_CHARS; 1261 const int n = strlen(PERF_IP_FLAG_CHARS); 1262 bool in_tx = flags & PERF_IP_FLAG_IN_TX; 1263 const char *name = NULL; 1264 char str[33]; 1265 int i, pos = 0; 1266 1267 for (i = 0; sample_flags[i].name ; i++) { 1268 if (sample_flags[i].flags == (flags & ~PERF_IP_FLAG_IN_TX)) { 1269 name = sample_flags[i].name; 1270 break; 1271 } 1272 } 1273 1274 for (i = 0; i < n; i++, flags >>= 1) { 1275 if (flags & 1) 1276 str[pos++] = chars[i]; 1277 } 1278 for (; i < 32; i++, flags >>= 1) { 1279 if (flags & 1) 1280 str[pos++] = '?'; 1281 } 1282 str[pos] = 0; 1283 1284 if (name) 1285 return fprintf(fp, " %-7s%4s ", name, in_tx ? "(x)" : ""); 1286 1287 return fprintf(fp, " %-11s ", str); 1288 } 1289 1290 struct printer_data { 1291 int line_no; 1292 bool hit_nul; 1293 bool is_printable; 1294 }; 1295 1296 static int sample__fprintf_bpf_output(enum binary_printer_ops op, 1297 unsigned int val, 1298 void *extra, FILE *fp) 1299 { 1300 unsigned char ch = (unsigned char)val; 1301 struct printer_data *printer_data = extra; 1302 int printed = 0; 1303 1304 switch (op) { 1305 case BINARY_PRINT_DATA_BEGIN: 1306 printed += fprintf(fp, "\n"); 1307 break; 1308 case BINARY_PRINT_LINE_BEGIN: 1309 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" : 1310 " "); 1311 break; 1312 case BINARY_PRINT_ADDR: 1313 printed += fprintf(fp, " %04x:", val); 1314 break; 1315 case BINARY_PRINT_NUM_DATA: 1316 printed += fprintf(fp, " %02x", val); 1317 break; 1318 case BINARY_PRINT_NUM_PAD: 1319 printed += fprintf(fp, " "); 1320 break; 1321 case BINARY_PRINT_SEP: 1322 printed += fprintf(fp, " "); 1323 break; 1324 case BINARY_PRINT_CHAR_DATA: 1325 if (printer_data->hit_nul && ch) 1326 printer_data->is_printable = false; 1327 1328 if (!isprint(ch)) { 1329 printed += fprintf(fp, "%c", '.'); 1330 1331 if (!printer_data->is_printable) 1332 break; 1333 1334 if (ch == '\0') 1335 printer_data->hit_nul = true; 1336 else 1337 printer_data->is_printable = false; 1338 } else { 1339 printed += fprintf(fp, "%c", ch); 1340 } 1341 break; 1342 case BINARY_PRINT_CHAR_PAD: 1343 printed += fprintf(fp, " "); 1344 break; 1345 case BINARY_PRINT_LINE_END: 1346 printed += fprintf(fp, "\n"); 1347 printer_data->line_no++; 1348 break; 1349 case BINARY_PRINT_DATA_END: 1350 default: 1351 break; 1352 } 1353 1354 return printed; 1355 } 1356 1357 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp) 1358 { 1359 unsigned int nr_bytes = sample->raw_size; 1360 struct printer_data printer_data = {0, false, true}; 1361 int printed = binary__fprintf(sample->raw_data, nr_bytes, 8, 1362 sample__fprintf_bpf_output, &printer_data, fp); 1363 1364 if (printer_data.is_printable && printer_data.hit_nul) 1365 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data)); 1366 1367 return printed; 1368 } 1369 1370 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp) 1371 { 1372 if (len > 0 && len < spacing) 1373 return fprintf(fp, "%*s", spacing - len, ""); 1374 1375 return 0; 1376 } 1377 1378 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp) 1379 { 1380 return perf_sample__fprintf_spacing(len, 34, fp); 1381 } 1382 1383 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp) 1384 { 1385 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample); 1386 int len; 1387 1388 if (perf_sample__bad_synth_size(sample, *data)) 1389 return 0; 1390 1391 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ", 1392 data->ip, le64_to_cpu(data->payload)); 1393 return len + perf_sample__fprintf_pt_spacing(len, fp); 1394 } 1395 1396 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp) 1397 { 1398 struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample); 1399 int len; 1400 1401 if (perf_sample__bad_synth_size(sample, *data)) 1402 return 0; 1403 1404 len = fprintf(fp, " hints: %#x extensions: %#x ", 1405 data->hints, data->extensions); 1406 return len + perf_sample__fprintf_pt_spacing(len, fp); 1407 } 1408 1409 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp) 1410 { 1411 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample); 1412 int len; 1413 1414 if (perf_sample__bad_synth_size(sample, *data)) 1415 return 0; 1416 1417 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ", 1418 data->hw, data->cstate, data->subcstate); 1419 return len + perf_sample__fprintf_pt_spacing(len, fp); 1420 } 1421 1422 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp) 1423 { 1424 struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample); 1425 int len; 1426 1427 if (perf_sample__bad_synth_size(sample, *data)) 1428 return 0; 1429 1430 len = fprintf(fp, " IP: %u ", data->ip); 1431 return len + perf_sample__fprintf_pt_spacing(len, fp); 1432 } 1433 1434 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp) 1435 { 1436 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample); 1437 int len; 1438 1439 if (perf_sample__bad_synth_size(sample, *data)) 1440 return 0; 1441 1442 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ", 1443 data->deepest_cstate, data->last_cstate, 1444 data->wake_reason); 1445 return len + perf_sample__fprintf_pt_spacing(len, fp); 1446 } 1447 1448 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp) 1449 { 1450 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample); 1451 unsigned int percent, freq; 1452 int len; 1453 1454 if (perf_sample__bad_synth_size(sample, *data)) 1455 return 0; 1456 1457 freq = (le32_to_cpu(data->freq) + 500) / 1000; 1458 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq); 1459 if (data->max_nonturbo) { 1460 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10; 1461 len += fprintf(fp, "(%3u%%) ", percent); 1462 } 1463 return len + perf_sample__fprintf_pt_spacing(len, fp); 1464 } 1465 1466 static int perf_sample__fprintf_synth(struct perf_sample *sample, 1467 struct perf_evsel *evsel, FILE *fp) 1468 { 1469 switch (evsel->attr.config) { 1470 case PERF_SYNTH_INTEL_PTWRITE: 1471 return perf_sample__fprintf_synth_ptwrite(sample, fp); 1472 case PERF_SYNTH_INTEL_MWAIT: 1473 return perf_sample__fprintf_synth_mwait(sample, fp); 1474 case PERF_SYNTH_INTEL_PWRE: 1475 return perf_sample__fprintf_synth_pwre(sample, fp); 1476 case PERF_SYNTH_INTEL_EXSTOP: 1477 return perf_sample__fprintf_synth_exstop(sample, fp); 1478 case PERF_SYNTH_INTEL_PWRX: 1479 return perf_sample__fprintf_synth_pwrx(sample, fp); 1480 case PERF_SYNTH_INTEL_CBR: 1481 return perf_sample__fprintf_synth_cbr(sample, fp); 1482 default: 1483 break; 1484 } 1485 1486 return 0; 1487 } 1488 1489 struct perf_script { 1490 struct perf_tool tool; 1491 struct perf_session *session; 1492 bool show_task_events; 1493 bool show_mmap_events; 1494 bool show_switch_events; 1495 bool show_namespace_events; 1496 bool show_lost_events; 1497 bool show_round_events; 1498 bool allocated; 1499 bool per_event_dump; 1500 struct cpu_map *cpus; 1501 struct thread_map *threads; 1502 int name_width; 1503 const char *time_str; 1504 struct perf_time_interval *ptime_range; 1505 int range_size; 1506 int range_num; 1507 }; 1508 1509 static int perf_evlist__max_name_len(struct perf_evlist *evlist) 1510 { 1511 struct perf_evsel *evsel; 1512 int max = 0; 1513 1514 evlist__for_each_entry(evlist, evsel) { 1515 int len = strlen(perf_evsel__name(evsel)); 1516 1517 max = MAX(len, max); 1518 } 1519 1520 return max; 1521 } 1522 1523 static int data_src__fprintf(u64 data_src, FILE *fp) 1524 { 1525 struct mem_info mi = { .data_src.val = data_src }; 1526 char decode[100]; 1527 char out[100]; 1528 static int maxlen; 1529 int len; 1530 1531 perf_script__meminfo_scnprintf(decode, 100, &mi); 1532 1533 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode); 1534 if (maxlen < len) 1535 maxlen = len; 1536 1537 return fprintf(fp, "%-*s", maxlen, out); 1538 } 1539 1540 struct metric_ctx { 1541 struct perf_sample *sample; 1542 struct thread *thread; 1543 struct perf_evsel *evsel; 1544 FILE *fp; 1545 }; 1546 1547 static void script_print_metric(void *ctx, const char *color, 1548 const char *fmt, 1549 const char *unit, double val) 1550 { 1551 struct metric_ctx *mctx = ctx; 1552 1553 if (!fmt) 1554 return; 1555 perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel, 1556 PERF_RECORD_SAMPLE, mctx->fp); 1557 fputs("\tmetric: ", mctx->fp); 1558 if (color) 1559 color_fprintf(mctx->fp, color, fmt, val); 1560 else 1561 printf(fmt, val); 1562 fprintf(mctx->fp, " %s\n", unit); 1563 } 1564 1565 static void script_new_line(void *ctx) 1566 { 1567 struct metric_ctx *mctx = ctx; 1568 1569 perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel, 1570 PERF_RECORD_SAMPLE, mctx->fp); 1571 fputs("\tmetric: ", mctx->fp); 1572 } 1573 1574 static void perf_sample__fprint_metric(struct perf_script *script, 1575 struct thread *thread, 1576 struct perf_evsel *evsel, 1577 struct perf_sample *sample, 1578 FILE *fp) 1579 { 1580 struct perf_stat_output_ctx ctx = { 1581 .print_metric = script_print_metric, 1582 .new_line = script_new_line, 1583 .ctx = &(struct metric_ctx) { 1584 .sample = sample, 1585 .thread = thread, 1586 .evsel = evsel, 1587 .fp = fp, 1588 }, 1589 .force_header = false, 1590 }; 1591 struct perf_evsel *ev2; 1592 static bool init; 1593 u64 val; 1594 1595 if (!init) { 1596 perf_stat__init_shadow_stats(); 1597 init = true; 1598 } 1599 if (!evsel->stats) 1600 perf_evlist__alloc_stats(script->session->evlist, false); 1601 if (evsel_script(evsel->leader)->gnum++ == 0) 1602 perf_stat__reset_shadow_stats(); 1603 val = sample->period * evsel->scale; 1604 perf_stat__update_shadow_stats(evsel, 1605 val, 1606 sample->cpu, 1607 &rt_stat); 1608 evsel_script(evsel)->val = val; 1609 if (evsel_script(evsel->leader)->gnum == evsel->leader->nr_members) { 1610 for_each_group_member (ev2, evsel->leader) { 1611 perf_stat__print_shadow_stats(ev2, 1612 evsel_script(ev2)->val, 1613 sample->cpu, 1614 &ctx, 1615 NULL, 1616 &rt_stat); 1617 } 1618 evsel_script(evsel->leader)->gnum = 0; 1619 } 1620 } 1621 1622 static void process_event(struct perf_script *script, 1623 struct perf_sample *sample, struct perf_evsel *evsel, 1624 struct addr_location *al, 1625 struct machine *machine) 1626 { 1627 struct thread *thread = al->thread; 1628 struct perf_event_attr *attr = &evsel->attr; 1629 unsigned int type = output_type(attr->type); 1630 struct perf_evsel_script *es = evsel->priv; 1631 FILE *fp = es->fp; 1632 1633 if (output[type].fields == 0) 1634 return; 1635 1636 ++es->samples; 1637 1638 perf_sample__fprintf_start(sample, thread, evsel, 1639 PERF_RECORD_SAMPLE, fp); 1640 1641 if (PRINT_FIELD(PERIOD)) 1642 fprintf(fp, "%10" PRIu64 " ", sample->period); 1643 1644 if (PRINT_FIELD(EVNAME)) { 1645 const char *evname = perf_evsel__name(evsel); 1646 1647 if (!script->name_width) 1648 script->name_width = perf_evlist__max_name_len(script->session->evlist); 1649 1650 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]"); 1651 } 1652 1653 if (print_flags) 1654 perf_sample__fprintf_flags(sample->flags, fp); 1655 1656 if (is_bts_event(attr)) { 1657 perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp); 1658 return; 1659 } 1660 1661 if (PRINT_FIELD(TRACE)) { 1662 event_format__fprintf(evsel->tp_format, sample->cpu, 1663 sample->raw_data, sample->raw_size, fp); 1664 } 1665 1666 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH)) 1667 perf_sample__fprintf_synth(sample, evsel, fp); 1668 1669 if (PRINT_FIELD(ADDR)) 1670 perf_sample__fprintf_addr(sample, thread, attr, fp); 1671 1672 if (PRINT_FIELD(DATA_SRC)) 1673 data_src__fprintf(sample->data_src, fp); 1674 1675 if (PRINT_FIELD(WEIGHT)) 1676 fprintf(fp, "%16" PRIu64, sample->weight); 1677 1678 if (PRINT_FIELD(IP)) { 1679 struct callchain_cursor *cursor = NULL; 1680 1681 if (symbol_conf.use_callchain && sample->callchain && 1682 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 1683 sample, NULL, NULL, scripting_max_stack) == 0) 1684 cursor = &callchain_cursor; 1685 1686 fputc(cursor ? '\n' : ' ', fp); 1687 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, fp); 1688 } 1689 1690 if (PRINT_FIELD(IREGS)) 1691 perf_sample__fprintf_iregs(sample, attr, fp); 1692 1693 if (PRINT_FIELD(UREGS)) 1694 perf_sample__fprintf_uregs(sample, attr, fp); 1695 1696 if (PRINT_FIELD(BRSTACK)) 1697 perf_sample__fprintf_brstack(sample, thread, attr, fp); 1698 else if (PRINT_FIELD(BRSTACKSYM)) 1699 perf_sample__fprintf_brstacksym(sample, thread, attr, fp); 1700 else if (PRINT_FIELD(BRSTACKOFF)) 1701 perf_sample__fprintf_brstackoff(sample, thread, attr, fp); 1702 1703 if (perf_evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT)) 1704 perf_sample__fprintf_bpf_output(sample, fp); 1705 perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 1706 1707 if (PRINT_FIELD(PHYS_ADDR)) 1708 fprintf(fp, "%16" PRIx64, sample->phys_addr); 1709 fprintf(fp, "\n"); 1710 1711 if (PRINT_FIELD(METRIC)) 1712 perf_sample__fprint_metric(script, thread, evsel, sample, fp); 1713 } 1714 1715 static struct scripting_ops *scripting_ops; 1716 1717 static void __process_stat(struct perf_evsel *counter, u64 tstamp) 1718 { 1719 int nthreads = thread_map__nr(counter->threads); 1720 int ncpus = perf_evsel__nr_cpus(counter); 1721 int cpu, thread; 1722 static int header_printed; 1723 1724 if (counter->system_wide) 1725 nthreads = 1; 1726 1727 if (!header_printed) { 1728 printf("%3s %8s %15s %15s %15s %15s %s\n", 1729 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT"); 1730 header_printed = 1; 1731 } 1732 1733 for (thread = 0; thread < nthreads; thread++) { 1734 for (cpu = 0; cpu < ncpus; cpu++) { 1735 struct perf_counts_values *counts; 1736 1737 counts = perf_counts(counter->counts, cpu, thread); 1738 1739 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n", 1740 counter->cpus->map[cpu], 1741 thread_map__pid(counter->threads, thread), 1742 counts->val, 1743 counts->ena, 1744 counts->run, 1745 tstamp, 1746 perf_evsel__name(counter)); 1747 } 1748 } 1749 } 1750 1751 static void process_stat(struct perf_evsel *counter, u64 tstamp) 1752 { 1753 if (scripting_ops && scripting_ops->process_stat) 1754 scripting_ops->process_stat(&stat_config, counter, tstamp); 1755 else 1756 __process_stat(counter, tstamp); 1757 } 1758 1759 static void process_stat_interval(u64 tstamp) 1760 { 1761 if (scripting_ops && scripting_ops->process_stat_interval) 1762 scripting_ops->process_stat_interval(tstamp); 1763 } 1764 1765 static void setup_scripting(void) 1766 { 1767 setup_perl_scripting(); 1768 setup_python_scripting(); 1769 } 1770 1771 static int flush_scripting(void) 1772 { 1773 return scripting_ops ? scripting_ops->flush_script() : 0; 1774 } 1775 1776 static int cleanup_scripting(void) 1777 { 1778 pr_debug("\nperf script stopped\n"); 1779 1780 return scripting_ops ? scripting_ops->stop_script() : 0; 1781 } 1782 1783 static int process_sample_event(struct perf_tool *tool, 1784 union perf_event *event, 1785 struct perf_sample *sample, 1786 struct perf_evsel *evsel, 1787 struct machine *machine) 1788 { 1789 struct perf_script *scr = container_of(tool, struct perf_script, tool); 1790 struct addr_location al; 1791 1792 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num, 1793 sample->time)) { 1794 return 0; 1795 } 1796 1797 if (debug_mode) { 1798 if (sample->time < last_timestamp) { 1799 pr_err("Samples misordered, previous: %" PRIu64 1800 " this: %" PRIu64 "\n", last_timestamp, 1801 sample->time); 1802 nr_unordered++; 1803 } 1804 last_timestamp = sample->time; 1805 return 0; 1806 } 1807 1808 if (machine__resolve(machine, &al, sample) < 0) { 1809 pr_err("problem processing %d event, skipping it.\n", 1810 event->header.type); 1811 return -1; 1812 } 1813 1814 if (al.filtered) 1815 goto out_put; 1816 1817 if (cpu_list && !test_bit(sample->cpu, cpu_bitmap)) 1818 goto out_put; 1819 1820 if (scripting_ops) 1821 scripting_ops->process_event(event, sample, evsel, &al); 1822 else 1823 process_event(scr, sample, evsel, &al, machine); 1824 1825 out_put: 1826 addr_location__put(&al); 1827 return 0; 1828 } 1829 1830 static int process_attr(struct perf_tool *tool, union perf_event *event, 1831 struct perf_evlist **pevlist) 1832 { 1833 struct perf_script *scr = container_of(tool, struct perf_script, tool); 1834 struct perf_evlist *evlist; 1835 struct perf_evsel *evsel, *pos; 1836 int err; 1837 static struct perf_evsel_script *es; 1838 1839 err = perf_event__process_attr(tool, event, pevlist); 1840 if (err) 1841 return err; 1842 1843 evlist = *pevlist; 1844 evsel = perf_evlist__last(*pevlist); 1845 1846 if (!evsel->priv) { 1847 if (scr->per_event_dump) { 1848 evsel->priv = perf_evsel_script__new(evsel, 1849 scr->session->data); 1850 } else { 1851 es = zalloc(sizeof(*es)); 1852 if (!es) 1853 return -ENOMEM; 1854 es->fp = stdout; 1855 evsel->priv = es; 1856 } 1857 } 1858 1859 if (evsel->attr.type >= PERF_TYPE_MAX && 1860 evsel->attr.type != PERF_TYPE_SYNTH) 1861 return 0; 1862 1863 evlist__for_each_entry(evlist, pos) { 1864 if (pos->attr.type == evsel->attr.type && pos != evsel) 1865 return 0; 1866 } 1867 1868 set_print_ip_opts(&evsel->attr); 1869 1870 if (evsel->attr.sample_type) 1871 err = perf_evsel__check_attr(evsel, scr->session); 1872 1873 return err; 1874 } 1875 1876 static int process_comm_event(struct perf_tool *tool, 1877 union perf_event *event, 1878 struct perf_sample *sample, 1879 struct machine *machine) 1880 { 1881 struct thread *thread; 1882 struct perf_script *script = container_of(tool, struct perf_script, tool); 1883 struct perf_session *session = script->session; 1884 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 1885 int ret = -1; 1886 1887 thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid); 1888 if (thread == NULL) { 1889 pr_debug("problem processing COMM event, skipping it.\n"); 1890 return -1; 1891 } 1892 1893 if (perf_event__process_comm(tool, event, sample, machine) < 0) 1894 goto out; 1895 1896 if (!evsel->attr.sample_id_all) { 1897 sample->cpu = 0; 1898 sample->time = 0; 1899 sample->tid = event->comm.tid; 1900 sample->pid = event->comm.pid; 1901 } 1902 perf_sample__fprintf_start(sample, thread, evsel, 1903 PERF_RECORD_COMM, stdout); 1904 perf_event__fprintf(event, stdout); 1905 ret = 0; 1906 out: 1907 thread__put(thread); 1908 return ret; 1909 } 1910 1911 static int process_namespaces_event(struct perf_tool *tool, 1912 union perf_event *event, 1913 struct perf_sample *sample, 1914 struct machine *machine) 1915 { 1916 struct thread *thread; 1917 struct perf_script *script = container_of(tool, struct perf_script, tool); 1918 struct perf_session *session = script->session; 1919 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 1920 int ret = -1; 1921 1922 thread = machine__findnew_thread(machine, event->namespaces.pid, 1923 event->namespaces.tid); 1924 if (thread == NULL) { 1925 pr_debug("problem processing NAMESPACES event, skipping it.\n"); 1926 return -1; 1927 } 1928 1929 if (perf_event__process_namespaces(tool, event, sample, machine) < 0) 1930 goto out; 1931 1932 if (!evsel->attr.sample_id_all) { 1933 sample->cpu = 0; 1934 sample->time = 0; 1935 sample->tid = event->namespaces.tid; 1936 sample->pid = event->namespaces.pid; 1937 } 1938 perf_sample__fprintf_start(sample, thread, evsel, 1939 PERF_RECORD_NAMESPACES, stdout); 1940 perf_event__fprintf(event, stdout); 1941 ret = 0; 1942 out: 1943 thread__put(thread); 1944 return ret; 1945 } 1946 1947 static int process_fork_event(struct perf_tool *tool, 1948 union perf_event *event, 1949 struct perf_sample *sample, 1950 struct machine *machine) 1951 { 1952 struct thread *thread; 1953 struct perf_script *script = container_of(tool, struct perf_script, tool); 1954 struct perf_session *session = script->session; 1955 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 1956 1957 if (perf_event__process_fork(tool, event, sample, machine) < 0) 1958 return -1; 1959 1960 thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid); 1961 if (thread == NULL) { 1962 pr_debug("problem processing FORK event, skipping it.\n"); 1963 return -1; 1964 } 1965 1966 if (!evsel->attr.sample_id_all) { 1967 sample->cpu = 0; 1968 sample->time = event->fork.time; 1969 sample->tid = event->fork.tid; 1970 sample->pid = event->fork.pid; 1971 } 1972 perf_sample__fprintf_start(sample, thread, evsel, 1973 PERF_RECORD_FORK, stdout); 1974 perf_event__fprintf(event, stdout); 1975 thread__put(thread); 1976 1977 return 0; 1978 } 1979 static int process_exit_event(struct perf_tool *tool, 1980 union perf_event *event, 1981 struct perf_sample *sample, 1982 struct machine *machine) 1983 { 1984 int err = 0; 1985 struct thread *thread; 1986 struct perf_script *script = container_of(tool, struct perf_script, tool); 1987 struct perf_session *session = script->session; 1988 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 1989 1990 thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid); 1991 if (thread == NULL) { 1992 pr_debug("problem processing EXIT event, skipping it.\n"); 1993 return -1; 1994 } 1995 1996 if (!evsel->attr.sample_id_all) { 1997 sample->cpu = 0; 1998 sample->time = 0; 1999 sample->tid = event->fork.tid; 2000 sample->pid = event->fork.pid; 2001 } 2002 perf_sample__fprintf_start(sample, thread, evsel, 2003 PERF_RECORD_EXIT, stdout); 2004 perf_event__fprintf(event, stdout); 2005 2006 if (perf_event__process_exit(tool, event, sample, machine) < 0) 2007 err = -1; 2008 2009 thread__put(thread); 2010 return err; 2011 } 2012 2013 static int process_mmap_event(struct perf_tool *tool, 2014 union perf_event *event, 2015 struct perf_sample *sample, 2016 struct machine *machine) 2017 { 2018 struct thread *thread; 2019 struct perf_script *script = container_of(tool, struct perf_script, tool); 2020 struct perf_session *session = script->session; 2021 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2022 2023 if (perf_event__process_mmap(tool, event, sample, machine) < 0) 2024 return -1; 2025 2026 thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid); 2027 if (thread == NULL) { 2028 pr_debug("problem processing MMAP event, skipping it.\n"); 2029 return -1; 2030 } 2031 2032 if (!evsel->attr.sample_id_all) { 2033 sample->cpu = 0; 2034 sample->time = 0; 2035 sample->tid = event->mmap.tid; 2036 sample->pid = event->mmap.pid; 2037 } 2038 perf_sample__fprintf_start(sample, thread, evsel, 2039 PERF_RECORD_MMAP, stdout); 2040 perf_event__fprintf(event, stdout); 2041 thread__put(thread); 2042 return 0; 2043 } 2044 2045 static int process_mmap2_event(struct perf_tool *tool, 2046 union perf_event *event, 2047 struct perf_sample *sample, 2048 struct machine *machine) 2049 { 2050 struct thread *thread; 2051 struct perf_script *script = container_of(tool, struct perf_script, tool); 2052 struct perf_session *session = script->session; 2053 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2054 2055 if (perf_event__process_mmap2(tool, event, sample, machine) < 0) 2056 return -1; 2057 2058 thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid); 2059 if (thread == NULL) { 2060 pr_debug("problem processing MMAP2 event, skipping it.\n"); 2061 return -1; 2062 } 2063 2064 if (!evsel->attr.sample_id_all) { 2065 sample->cpu = 0; 2066 sample->time = 0; 2067 sample->tid = event->mmap2.tid; 2068 sample->pid = event->mmap2.pid; 2069 } 2070 perf_sample__fprintf_start(sample, thread, evsel, 2071 PERF_RECORD_MMAP2, stdout); 2072 perf_event__fprintf(event, stdout); 2073 thread__put(thread); 2074 return 0; 2075 } 2076 2077 static int process_switch_event(struct perf_tool *tool, 2078 union perf_event *event, 2079 struct perf_sample *sample, 2080 struct machine *machine) 2081 { 2082 struct thread *thread; 2083 struct perf_script *script = container_of(tool, struct perf_script, tool); 2084 struct perf_session *session = script->session; 2085 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2086 2087 if (perf_event__process_switch(tool, event, sample, machine) < 0) 2088 return -1; 2089 2090 thread = machine__findnew_thread(machine, sample->pid, 2091 sample->tid); 2092 if (thread == NULL) { 2093 pr_debug("problem processing SWITCH event, skipping it.\n"); 2094 return -1; 2095 } 2096 2097 perf_sample__fprintf_start(sample, thread, evsel, 2098 PERF_RECORD_SWITCH, stdout); 2099 perf_event__fprintf(event, stdout); 2100 thread__put(thread); 2101 return 0; 2102 } 2103 2104 static int 2105 process_lost_event(struct perf_tool *tool, 2106 union perf_event *event, 2107 struct perf_sample *sample, 2108 struct machine *machine) 2109 { 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 struct thread *thread; 2114 2115 thread = machine__findnew_thread(machine, sample->pid, 2116 sample->tid); 2117 if (thread == NULL) 2118 return -1; 2119 2120 perf_sample__fprintf_start(sample, thread, evsel, 2121 PERF_RECORD_LOST, stdout); 2122 perf_event__fprintf(event, stdout); 2123 thread__put(thread); 2124 return 0; 2125 } 2126 2127 static int 2128 process_finished_round_event(struct perf_tool *tool __maybe_unused, 2129 union perf_event *event, 2130 struct ordered_events *oe __maybe_unused) 2131 2132 { 2133 perf_event__fprintf(event, stdout); 2134 return 0; 2135 } 2136 2137 static void sig_handler(int sig __maybe_unused) 2138 { 2139 session_done = 1; 2140 } 2141 2142 static void perf_script__fclose_per_event_dump(struct perf_script *script) 2143 { 2144 struct perf_evlist *evlist = script->session->evlist; 2145 struct perf_evsel *evsel; 2146 2147 evlist__for_each_entry(evlist, evsel) { 2148 if (!evsel->priv) 2149 break; 2150 perf_evsel_script__delete(evsel->priv); 2151 evsel->priv = NULL; 2152 } 2153 } 2154 2155 static int perf_script__fopen_per_event_dump(struct perf_script *script) 2156 { 2157 struct perf_evsel *evsel; 2158 2159 evlist__for_each_entry(script->session->evlist, evsel) { 2160 /* 2161 * Already setup? I.e. we may be called twice in cases like 2162 * Intel PT, one for the intel_pt// and dummy events, then 2163 * for the evsels syntheized from the auxtrace info. 2164 * 2165 * Ses perf_script__process_auxtrace_info. 2166 */ 2167 if (evsel->priv != NULL) 2168 continue; 2169 2170 evsel->priv = perf_evsel_script__new(evsel, script->session->data); 2171 if (evsel->priv == NULL) 2172 goto out_err_fclose; 2173 } 2174 2175 return 0; 2176 2177 out_err_fclose: 2178 perf_script__fclose_per_event_dump(script); 2179 return -1; 2180 } 2181 2182 static int perf_script__setup_per_event_dump(struct perf_script *script) 2183 { 2184 struct perf_evsel *evsel; 2185 static struct perf_evsel_script es_stdout; 2186 2187 if (script->per_event_dump) 2188 return perf_script__fopen_per_event_dump(script); 2189 2190 es_stdout.fp = stdout; 2191 2192 evlist__for_each_entry(script->session->evlist, evsel) 2193 evsel->priv = &es_stdout; 2194 2195 return 0; 2196 } 2197 2198 static void perf_script__exit_per_event_dump_stats(struct perf_script *script) 2199 { 2200 struct perf_evsel *evsel; 2201 2202 evlist__for_each_entry(script->session->evlist, evsel) { 2203 struct perf_evsel_script *es = evsel->priv; 2204 2205 perf_evsel_script__fprintf(es, stdout); 2206 perf_evsel_script__delete(es); 2207 evsel->priv = NULL; 2208 } 2209 } 2210 2211 static int __cmd_script(struct perf_script *script) 2212 { 2213 int ret; 2214 2215 signal(SIGINT, sig_handler); 2216 2217 /* override event processing functions */ 2218 if (script->show_task_events) { 2219 script->tool.comm = process_comm_event; 2220 script->tool.fork = process_fork_event; 2221 script->tool.exit = process_exit_event; 2222 } 2223 if (script->show_mmap_events) { 2224 script->tool.mmap = process_mmap_event; 2225 script->tool.mmap2 = process_mmap2_event; 2226 } 2227 if (script->show_switch_events) 2228 script->tool.context_switch = process_switch_event; 2229 if (script->show_namespace_events) 2230 script->tool.namespaces = process_namespaces_event; 2231 if (script->show_lost_events) 2232 script->tool.lost = process_lost_event; 2233 if (script->show_round_events) { 2234 script->tool.ordered_events = false; 2235 script->tool.finished_round = process_finished_round_event; 2236 } 2237 2238 if (perf_script__setup_per_event_dump(script)) { 2239 pr_err("Couldn't create the per event dump files\n"); 2240 return -1; 2241 } 2242 2243 ret = perf_session__process_events(script->session); 2244 2245 if (script->per_event_dump) 2246 perf_script__exit_per_event_dump_stats(script); 2247 2248 if (debug_mode) 2249 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); 2250 2251 return ret; 2252 } 2253 2254 struct script_spec { 2255 struct list_head node; 2256 struct scripting_ops *ops; 2257 char spec[0]; 2258 }; 2259 2260 static LIST_HEAD(script_specs); 2261 2262 static struct script_spec *script_spec__new(const char *spec, 2263 struct scripting_ops *ops) 2264 { 2265 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); 2266 2267 if (s != NULL) { 2268 strcpy(s->spec, spec); 2269 s->ops = ops; 2270 } 2271 2272 return s; 2273 } 2274 2275 static void script_spec__add(struct script_spec *s) 2276 { 2277 list_add_tail(&s->node, &script_specs); 2278 } 2279 2280 static struct script_spec *script_spec__find(const char *spec) 2281 { 2282 struct script_spec *s; 2283 2284 list_for_each_entry(s, &script_specs, node) 2285 if (strcasecmp(s->spec, spec) == 0) 2286 return s; 2287 return NULL; 2288 } 2289 2290 int script_spec_register(const char *spec, struct scripting_ops *ops) 2291 { 2292 struct script_spec *s; 2293 2294 s = script_spec__find(spec); 2295 if (s) 2296 return -1; 2297 2298 s = script_spec__new(spec, ops); 2299 if (!s) 2300 return -1; 2301 else 2302 script_spec__add(s); 2303 2304 return 0; 2305 } 2306 2307 static struct scripting_ops *script_spec__lookup(const char *spec) 2308 { 2309 struct script_spec *s = script_spec__find(spec); 2310 if (!s) 2311 return NULL; 2312 2313 return s->ops; 2314 } 2315 2316 static void list_available_languages(void) 2317 { 2318 struct script_spec *s; 2319 2320 fprintf(stderr, "\n"); 2321 fprintf(stderr, "Scripting language extensions (used in " 2322 "perf script -s [spec:]script.[spec]):\n\n"); 2323 2324 list_for_each_entry(s, &script_specs, node) 2325 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); 2326 2327 fprintf(stderr, "\n"); 2328 } 2329 2330 static int parse_scriptname(const struct option *opt __maybe_unused, 2331 const char *str, int unset __maybe_unused) 2332 { 2333 char spec[PATH_MAX]; 2334 const char *script, *ext; 2335 int len; 2336 2337 if (strcmp(str, "lang") == 0) { 2338 list_available_languages(); 2339 exit(0); 2340 } 2341 2342 script = strchr(str, ':'); 2343 if (script) { 2344 len = script - str; 2345 if (len >= PATH_MAX) { 2346 fprintf(stderr, "invalid language specifier"); 2347 return -1; 2348 } 2349 strncpy(spec, str, len); 2350 spec[len] = '\0'; 2351 scripting_ops = script_spec__lookup(spec); 2352 if (!scripting_ops) { 2353 fprintf(stderr, "invalid language specifier"); 2354 return -1; 2355 } 2356 script++; 2357 } else { 2358 script = str; 2359 ext = strrchr(script, '.'); 2360 if (!ext) { 2361 fprintf(stderr, "invalid script extension"); 2362 return -1; 2363 } 2364 scripting_ops = script_spec__lookup(++ext); 2365 if (!scripting_ops) { 2366 fprintf(stderr, "invalid script extension"); 2367 return -1; 2368 } 2369 } 2370 2371 script_name = strdup(script); 2372 2373 return 0; 2374 } 2375 2376 static int parse_output_fields(const struct option *opt __maybe_unused, 2377 const char *arg, int unset __maybe_unused) 2378 { 2379 char *tok, *strtok_saveptr = NULL; 2380 int i, imax = ARRAY_SIZE(all_output_options); 2381 int j; 2382 int rc = 0; 2383 char *str = strdup(arg); 2384 int type = -1; 2385 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT; 2386 2387 if (!str) 2388 return -ENOMEM; 2389 2390 /* first word can state for which event type the user is specifying 2391 * the fields. If no type exists, the specified fields apply to all 2392 * event types found in the file minus the invalid fields for a type. 2393 */ 2394 tok = strchr(str, ':'); 2395 if (tok) { 2396 *tok = '\0'; 2397 tok++; 2398 if (!strcmp(str, "hw")) 2399 type = PERF_TYPE_HARDWARE; 2400 else if (!strcmp(str, "sw")) 2401 type = PERF_TYPE_SOFTWARE; 2402 else if (!strcmp(str, "trace")) 2403 type = PERF_TYPE_TRACEPOINT; 2404 else if (!strcmp(str, "raw")) 2405 type = PERF_TYPE_RAW; 2406 else if (!strcmp(str, "break")) 2407 type = PERF_TYPE_BREAKPOINT; 2408 else if (!strcmp(str, "synth")) 2409 type = OUTPUT_TYPE_SYNTH; 2410 else { 2411 fprintf(stderr, "Invalid event type in field string.\n"); 2412 rc = -EINVAL; 2413 goto out; 2414 } 2415 2416 if (output[type].user_set) 2417 pr_warning("Overriding previous field request for %s events.\n", 2418 event_type(type)); 2419 2420 output[type].fields = 0; 2421 output[type].user_set = true; 2422 output[type].wildcard_set = false; 2423 2424 } else { 2425 tok = str; 2426 if (strlen(str) == 0) { 2427 fprintf(stderr, 2428 "Cannot set fields to 'none' for all event types.\n"); 2429 rc = -EINVAL; 2430 goto out; 2431 } 2432 2433 /* Don't override defaults for +- */ 2434 if (strchr(str, '+') || strchr(str, '-')) 2435 goto parse; 2436 2437 if (output_set_by_user()) 2438 pr_warning("Overriding previous field request for all events.\n"); 2439 2440 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 2441 output[j].fields = 0; 2442 output[j].user_set = true; 2443 output[j].wildcard_set = true; 2444 } 2445 } 2446 2447 parse: 2448 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) { 2449 if (*tok == '+') { 2450 if (change == SET) 2451 goto out_badmix; 2452 change = ADD; 2453 tok++; 2454 } else if (*tok == '-') { 2455 if (change == SET) 2456 goto out_badmix; 2457 change = REMOVE; 2458 tok++; 2459 } else { 2460 if (change != SET && change != DEFAULT) 2461 goto out_badmix; 2462 change = SET; 2463 } 2464 2465 for (i = 0; i < imax; ++i) { 2466 if (strcmp(tok, all_output_options[i].str) == 0) 2467 break; 2468 } 2469 if (i == imax && strcmp(tok, "flags") == 0) { 2470 print_flags = change == REMOVE ? false : true; 2471 continue; 2472 } 2473 if (i == imax) { 2474 fprintf(stderr, "Invalid field requested.\n"); 2475 rc = -EINVAL; 2476 goto out; 2477 } 2478 2479 if (type == -1) { 2480 /* add user option to all events types for 2481 * which it is valid 2482 */ 2483 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 2484 if (output[j].invalid_fields & all_output_options[i].field) { 2485 pr_warning("\'%s\' not valid for %s events. Ignoring.\n", 2486 all_output_options[i].str, event_type(j)); 2487 } else { 2488 if (change == REMOVE) 2489 output[j].fields &= ~all_output_options[i].field; 2490 else 2491 output[j].fields |= all_output_options[i].field; 2492 } 2493 } 2494 } else { 2495 if (output[type].invalid_fields & all_output_options[i].field) { 2496 fprintf(stderr, "\'%s\' not valid for %s events.\n", 2497 all_output_options[i].str, event_type(type)); 2498 2499 rc = -EINVAL; 2500 goto out; 2501 } 2502 output[type].fields |= all_output_options[i].field; 2503 } 2504 } 2505 2506 if (type >= 0) { 2507 if (output[type].fields == 0) { 2508 pr_debug("No fields requested for %s type. " 2509 "Events will not be displayed.\n", event_type(type)); 2510 } 2511 } 2512 goto out; 2513 2514 out_badmix: 2515 fprintf(stderr, "Cannot mix +-field with overridden fields\n"); 2516 rc = -EINVAL; 2517 out: 2518 free(str); 2519 return rc; 2520 } 2521 2522 #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \ 2523 while ((lang_dirent = readdir(scripts_dir)) != NULL) \ 2524 if ((lang_dirent->d_type == DT_DIR || \ 2525 (lang_dirent->d_type == DT_UNKNOWN && \ 2526 is_directory(scripts_path, lang_dirent))) && \ 2527 (strcmp(lang_dirent->d_name, ".")) && \ 2528 (strcmp(lang_dirent->d_name, ".."))) 2529 2530 #define for_each_script(lang_path, lang_dir, script_dirent) \ 2531 while ((script_dirent = readdir(lang_dir)) != NULL) \ 2532 if (script_dirent->d_type != DT_DIR && \ 2533 (script_dirent->d_type != DT_UNKNOWN || \ 2534 !is_directory(lang_path, script_dirent))) 2535 2536 2537 #define RECORD_SUFFIX "-record" 2538 #define REPORT_SUFFIX "-report" 2539 2540 struct script_desc { 2541 struct list_head node; 2542 char *name; 2543 char *half_liner; 2544 char *args; 2545 }; 2546 2547 static LIST_HEAD(script_descs); 2548 2549 static struct script_desc *script_desc__new(const char *name) 2550 { 2551 struct script_desc *s = zalloc(sizeof(*s)); 2552 2553 if (s != NULL && name) 2554 s->name = strdup(name); 2555 2556 return s; 2557 } 2558 2559 static void script_desc__delete(struct script_desc *s) 2560 { 2561 zfree(&s->name); 2562 zfree(&s->half_liner); 2563 zfree(&s->args); 2564 free(s); 2565 } 2566 2567 static void script_desc__add(struct script_desc *s) 2568 { 2569 list_add_tail(&s->node, &script_descs); 2570 } 2571 2572 static struct script_desc *script_desc__find(const char *name) 2573 { 2574 struct script_desc *s; 2575 2576 list_for_each_entry(s, &script_descs, node) 2577 if (strcasecmp(s->name, name) == 0) 2578 return s; 2579 return NULL; 2580 } 2581 2582 static struct script_desc *script_desc__findnew(const char *name) 2583 { 2584 struct script_desc *s = script_desc__find(name); 2585 2586 if (s) 2587 return s; 2588 2589 s = script_desc__new(name); 2590 if (!s) 2591 return NULL; 2592 2593 script_desc__add(s); 2594 2595 return s; 2596 } 2597 2598 static const char *ends_with(const char *str, const char *suffix) 2599 { 2600 size_t suffix_len = strlen(suffix); 2601 const char *p = str; 2602 2603 if (strlen(str) > suffix_len) { 2604 p = str + strlen(str) - suffix_len; 2605 if (!strncmp(p, suffix, suffix_len)) 2606 return p; 2607 } 2608 2609 return NULL; 2610 } 2611 2612 static int read_script_info(struct script_desc *desc, const char *filename) 2613 { 2614 char line[BUFSIZ], *p; 2615 FILE *fp; 2616 2617 fp = fopen(filename, "r"); 2618 if (!fp) 2619 return -1; 2620 2621 while (fgets(line, sizeof(line), fp)) { 2622 p = ltrim(line); 2623 if (strlen(p) == 0) 2624 continue; 2625 if (*p != '#') 2626 continue; 2627 p++; 2628 if (strlen(p) && *p == '!') 2629 continue; 2630 2631 p = ltrim(p); 2632 if (strlen(p) && p[strlen(p) - 1] == '\n') 2633 p[strlen(p) - 1] = '\0'; 2634 2635 if (!strncmp(p, "description:", strlen("description:"))) { 2636 p += strlen("description:"); 2637 desc->half_liner = strdup(ltrim(p)); 2638 continue; 2639 } 2640 2641 if (!strncmp(p, "args:", strlen("args:"))) { 2642 p += strlen("args:"); 2643 desc->args = strdup(ltrim(p)); 2644 continue; 2645 } 2646 } 2647 2648 fclose(fp); 2649 2650 return 0; 2651 } 2652 2653 static char *get_script_root(struct dirent *script_dirent, const char *suffix) 2654 { 2655 char *script_root, *str; 2656 2657 script_root = strdup(script_dirent->d_name); 2658 if (!script_root) 2659 return NULL; 2660 2661 str = (char *)ends_with(script_root, suffix); 2662 if (!str) { 2663 free(script_root); 2664 return NULL; 2665 } 2666 2667 *str = '\0'; 2668 return script_root; 2669 } 2670 2671 static int list_available_scripts(const struct option *opt __maybe_unused, 2672 const char *s __maybe_unused, 2673 int unset __maybe_unused) 2674 { 2675 struct dirent *script_dirent, *lang_dirent; 2676 char scripts_path[MAXPATHLEN]; 2677 DIR *scripts_dir, *lang_dir; 2678 char script_path[MAXPATHLEN]; 2679 char lang_path[MAXPATHLEN]; 2680 struct script_desc *desc; 2681 char first_half[BUFSIZ]; 2682 char *script_root; 2683 2684 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 2685 2686 scripts_dir = opendir(scripts_path); 2687 if (!scripts_dir) { 2688 fprintf(stdout, 2689 "open(%s) failed.\n" 2690 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n", 2691 scripts_path); 2692 exit(-1); 2693 } 2694 2695 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 2696 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 2697 lang_dirent->d_name); 2698 lang_dir = opendir(lang_path); 2699 if (!lang_dir) 2700 continue; 2701 2702 for_each_script(lang_path, lang_dir, script_dirent) { 2703 script_root = get_script_root(script_dirent, REPORT_SUFFIX); 2704 if (script_root) { 2705 desc = script_desc__findnew(script_root); 2706 scnprintf(script_path, MAXPATHLEN, "%s/%s", 2707 lang_path, script_dirent->d_name); 2708 read_script_info(desc, script_path); 2709 free(script_root); 2710 } 2711 } 2712 } 2713 2714 fprintf(stdout, "List of available trace scripts:\n"); 2715 list_for_each_entry(desc, &script_descs, node) { 2716 sprintf(first_half, "%s %s", desc->name, 2717 desc->args ? desc->args : ""); 2718 fprintf(stdout, " %-36s %s\n", first_half, 2719 desc->half_liner ? desc->half_liner : ""); 2720 } 2721 2722 exit(0); 2723 } 2724 2725 /* 2726 * Some scripts specify the required events in their "xxx-record" file, 2727 * this function will check if the events in perf.data match those 2728 * mentioned in the "xxx-record". 2729 * 2730 * Fixme: All existing "xxx-record" are all in good formats "-e event ", 2731 * which is covered well now. And new parsing code should be added to 2732 * cover the future complexing formats like event groups etc. 2733 */ 2734 static int check_ev_match(char *dir_name, char *scriptname, 2735 struct perf_session *session) 2736 { 2737 char filename[MAXPATHLEN], evname[128]; 2738 char line[BUFSIZ], *p; 2739 struct perf_evsel *pos; 2740 int match, len; 2741 FILE *fp; 2742 2743 scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname); 2744 2745 fp = fopen(filename, "r"); 2746 if (!fp) 2747 return -1; 2748 2749 while (fgets(line, sizeof(line), fp)) { 2750 p = ltrim(line); 2751 if (*p == '#') 2752 continue; 2753 2754 while (strlen(p)) { 2755 p = strstr(p, "-e"); 2756 if (!p) 2757 break; 2758 2759 p += 2; 2760 p = ltrim(p); 2761 len = strcspn(p, " \t"); 2762 if (!len) 2763 break; 2764 2765 snprintf(evname, len + 1, "%s", p); 2766 2767 match = 0; 2768 evlist__for_each_entry(session->evlist, pos) { 2769 if (!strcmp(perf_evsel__name(pos), evname)) { 2770 match = 1; 2771 break; 2772 } 2773 } 2774 2775 if (!match) { 2776 fclose(fp); 2777 return -1; 2778 } 2779 } 2780 } 2781 2782 fclose(fp); 2783 return 0; 2784 } 2785 2786 /* 2787 * Return -1 if none is found, otherwise the actual scripts number. 2788 * 2789 * Currently the only user of this function is the script browser, which 2790 * will list all statically runnable scripts, select one, execute it and 2791 * show the output in a perf browser. 2792 */ 2793 int find_scripts(char **scripts_array, char **scripts_path_array) 2794 { 2795 struct dirent *script_dirent, *lang_dirent; 2796 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; 2797 DIR *scripts_dir, *lang_dir; 2798 struct perf_session *session; 2799 struct perf_data data = { 2800 .file = { 2801 .path = input_name, 2802 }, 2803 .mode = PERF_DATA_MODE_READ, 2804 }; 2805 char *temp; 2806 int i = 0; 2807 2808 session = perf_session__new(&data, false, NULL); 2809 if (!session) 2810 return -1; 2811 2812 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 2813 2814 scripts_dir = opendir(scripts_path); 2815 if (!scripts_dir) { 2816 perf_session__delete(session); 2817 return -1; 2818 } 2819 2820 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 2821 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, 2822 lang_dirent->d_name); 2823 #ifndef HAVE_LIBPERL_SUPPORT 2824 if (strstr(lang_path, "perl")) 2825 continue; 2826 #endif 2827 #ifndef HAVE_LIBPYTHON_SUPPORT 2828 if (strstr(lang_path, "python")) 2829 continue; 2830 #endif 2831 2832 lang_dir = opendir(lang_path); 2833 if (!lang_dir) 2834 continue; 2835 2836 for_each_script(lang_path, lang_dir, script_dirent) { 2837 /* Skip those real time scripts: xxxtop.p[yl] */ 2838 if (strstr(script_dirent->d_name, "top.")) 2839 continue; 2840 sprintf(scripts_path_array[i], "%s/%s", lang_path, 2841 script_dirent->d_name); 2842 temp = strchr(script_dirent->d_name, '.'); 2843 snprintf(scripts_array[i], 2844 (temp - script_dirent->d_name) + 1, 2845 "%s", script_dirent->d_name); 2846 2847 if (check_ev_match(lang_path, 2848 scripts_array[i], session)) 2849 continue; 2850 2851 i++; 2852 } 2853 closedir(lang_dir); 2854 } 2855 2856 closedir(scripts_dir); 2857 perf_session__delete(session); 2858 return i; 2859 } 2860 2861 static char *get_script_path(const char *script_root, const char *suffix) 2862 { 2863 struct dirent *script_dirent, *lang_dirent; 2864 char scripts_path[MAXPATHLEN]; 2865 char script_path[MAXPATHLEN]; 2866 DIR *scripts_dir, *lang_dir; 2867 char lang_path[MAXPATHLEN]; 2868 char *__script_root; 2869 2870 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 2871 2872 scripts_dir = opendir(scripts_path); 2873 if (!scripts_dir) 2874 return NULL; 2875 2876 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 2877 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 2878 lang_dirent->d_name); 2879 lang_dir = opendir(lang_path); 2880 if (!lang_dir) 2881 continue; 2882 2883 for_each_script(lang_path, lang_dir, script_dirent) { 2884 __script_root = get_script_root(script_dirent, suffix); 2885 if (__script_root && !strcmp(script_root, __script_root)) { 2886 free(__script_root); 2887 closedir(lang_dir); 2888 closedir(scripts_dir); 2889 scnprintf(script_path, MAXPATHLEN, "%s/%s", 2890 lang_path, script_dirent->d_name); 2891 return strdup(script_path); 2892 } 2893 free(__script_root); 2894 } 2895 closedir(lang_dir); 2896 } 2897 closedir(scripts_dir); 2898 2899 return NULL; 2900 } 2901 2902 static bool is_top_script(const char *script_path) 2903 { 2904 return ends_with(script_path, "top") == NULL ? false : true; 2905 } 2906 2907 static int has_required_arg(char *script_path) 2908 { 2909 struct script_desc *desc; 2910 int n_args = 0; 2911 char *p; 2912 2913 desc = script_desc__new(NULL); 2914 2915 if (read_script_info(desc, script_path)) 2916 goto out; 2917 2918 if (!desc->args) 2919 goto out; 2920 2921 for (p = desc->args; *p; p++) 2922 if (*p == '<') 2923 n_args++; 2924 out: 2925 script_desc__delete(desc); 2926 2927 return n_args; 2928 } 2929 2930 static int have_cmd(int argc, const char **argv) 2931 { 2932 char **__argv = malloc(sizeof(const char *) * argc); 2933 2934 if (!__argv) { 2935 pr_err("malloc failed\n"); 2936 return -1; 2937 } 2938 2939 memcpy(__argv, argv, sizeof(const char *) * argc); 2940 argc = parse_options(argc, (const char **)__argv, record_options, 2941 NULL, PARSE_OPT_STOP_AT_NON_OPTION); 2942 free(__argv); 2943 2944 system_wide = (argc == 0); 2945 2946 return 0; 2947 } 2948 2949 static void script__setup_sample_type(struct perf_script *script) 2950 { 2951 struct perf_session *session = script->session; 2952 u64 sample_type = perf_evlist__combined_sample_type(session->evlist); 2953 2954 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) { 2955 if ((sample_type & PERF_SAMPLE_REGS_USER) && 2956 (sample_type & PERF_SAMPLE_STACK_USER)) { 2957 callchain_param.record_mode = CALLCHAIN_DWARF; 2958 dwarf_callchain_users = true; 2959 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK) 2960 callchain_param.record_mode = CALLCHAIN_LBR; 2961 else 2962 callchain_param.record_mode = CALLCHAIN_FP; 2963 } 2964 } 2965 2966 static int process_stat_round_event(struct perf_tool *tool __maybe_unused, 2967 union perf_event *event, 2968 struct perf_session *session) 2969 { 2970 struct stat_round_event *round = &event->stat_round; 2971 struct perf_evsel *counter; 2972 2973 evlist__for_each_entry(session->evlist, counter) { 2974 perf_stat_process_counter(&stat_config, counter); 2975 process_stat(counter, round->time); 2976 } 2977 2978 process_stat_interval(round->time); 2979 return 0; 2980 } 2981 2982 static int process_stat_config_event(struct perf_tool *tool __maybe_unused, 2983 union perf_event *event, 2984 struct perf_session *session __maybe_unused) 2985 { 2986 perf_event__read_stat_config(&stat_config, &event->stat_config); 2987 return 0; 2988 } 2989 2990 static int set_maps(struct perf_script *script) 2991 { 2992 struct perf_evlist *evlist = script->session->evlist; 2993 2994 if (!script->cpus || !script->threads) 2995 return 0; 2996 2997 if (WARN_ONCE(script->allocated, "stats double allocation\n")) 2998 return -EINVAL; 2999 3000 perf_evlist__set_maps(evlist, script->cpus, script->threads); 3001 3002 if (perf_evlist__alloc_stats(evlist, true)) 3003 return -ENOMEM; 3004 3005 script->allocated = true; 3006 return 0; 3007 } 3008 3009 static 3010 int process_thread_map_event(struct perf_tool *tool, 3011 union perf_event *event, 3012 struct perf_session *session __maybe_unused) 3013 { 3014 struct perf_script *script = container_of(tool, struct perf_script, tool); 3015 3016 if (script->threads) { 3017 pr_warning("Extra thread map event, ignoring.\n"); 3018 return 0; 3019 } 3020 3021 script->threads = thread_map__new_event(&event->thread_map); 3022 if (!script->threads) 3023 return -ENOMEM; 3024 3025 return set_maps(script); 3026 } 3027 3028 static 3029 int process_cpu_map_event(struct perf_tool *tool __maybe_unused, 3030 union perf_event *event, 3031 struct perf_session *session __maybe_unused) 3032 { 3033 struct perf_script *script = container_of(tool, struct perf_script, tool); 3034 3035 if (script->cpus) { 3036 pr_warning("Extra cpu map event, ignoring.\n"); 3037 return 0; 3038 } 3039 3040 script->cpus = cpu_map__new_data(&event->cpu_map.data); 3041 if (!script->cpus) 3042 return -ENOMEM; 3043 3044 return set_maps(script); 3045 } 3046 3047 static int process_feature_event(struct perf_tool *tool, 3048 union perf_event *event, 3049 struct perf_session *session) 3050 { 3051 if (event->feat.feat_id < HEADER_LAST_FEATURE) 3052 return perf_event__process_feature(tool, event, session); 3053 return 0; 3054 } 3055 3056 #ifdef HAVE_AUXTRACE_SUPPORT 3057 static int perf_script__process_auxtrace_info(struct perf_tool *tool, 3058 union perf_event *event, 3059 struct perf_session *session) 3060 { 3061 int ret = perf_event__process_auxtrace_info(tool, event, session); 3062 3063 if (ret == 0) { 3064 struct perf_script *script = container_of(tool, struct perf_script, tool); 3065 3066 ret = perf_script__setup_per_event_dump(script); 3067 } 3068 3069 return ret; 3070 } 3071 #else 3072 #define perf_script__process_auxtrace_info 0 3073 #endif 3074 3075 int cmd_script(int argc, const char **argv) 3076 { 3077 bool show_full_info = false; 3078 bool header = false; 3079 bool header_only = false; 3080 bool script_started = false; 3081 char *rec_script_path = NULL; 3082 char *rep_script_path = NULL; 3083 struct perf_session *session; 3084 struct itrace_synth_opts itrace_synth_opts = { .set = false, }; 3085 char *script_path = NULL; 3086 const char **__argv; 3087 int i, j, err = 0; 3088 struct perf_script script = { 3089 .tool = { 3090 .sample = process_sample_event, 3091 .mmap = perf_event__process_mmap, 3092 .mmap2 = perf_event__process_mmap2, 3093 .comm = perf_event__process_comm, 3094 .namespaces = perf_event__process_namespaces, 3095 .exit = perf_event__process_exit, 3096 .fork = perf_event__process_fork, 3097 .attr = process_attr, 3098 .event_update = perf_event__process_event_update, 3099 .tracing_data = perf_event__process_tracing_data, 3100 .feature = process_feature_event, 3101 .build_id = perf_event__process_build_id, 3102 .id_index = perf_event__process_id_index, 3103 .auxtrace_info = perf_script__process_auxtrace_info, 3104 .auxtrace = perf_event__process_auxtrace, 3105 .auxtrace_error = perf_event__process_auxtrace_error, 3106 .stat = perf_event__process_stat_event, 3107 .stat_round = process_stat_round_event, 3108 .stat_config = process_stat_config_event, 3109 .thread_map = process_thread_map_event, 3110 .cpu_map = process_cpu_map_event, 3111 .ordered_events = true, 3112 .ordering_requires_timestamps = true, 3113 }, 3114 }; 3115 struct perf_data data = { 3116 .mode = PERF_DATA_MODE_READ, 3117 }; 3118 const struct option options[] = { 3119 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 3120 "dump raw trace in ASCII"), 3121 OPT_INCR('v', "verbose", &verbose, 3122 "be more verbose (show symbol address, etc)"), 3123 OPT_BOOLEAN('L', "Latency", &latency_format, 3124 "show latency attributes (irqs/preemption disabled, etc)"), 3125 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", 3126 list_available_scripts), 3127 OPT_CALLBACK('s', "script", NULL, "name", 3128 "script file name (lang:script name, script name, or *)", 3129 parse_scriptname), 3130 OPT_STRING('g', "gen-script", &generate_script_lang, "lang", 3131 "generate perf-script.xx script in specified language"), 3132 OPT_STRING('i', "input", &input_name, "file", "input file name"), 3133 OPT_BOOLEAN('d', "debug-mode", &debug_mode, 3134 "do various checks like samples ordering and lost events"), 3135 OPT_BOOLEAN(0, "header", &header, "Show data header."), 3136 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."), 3137 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 3138 "file", "vmlinux pathname"), 3139 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 3140 "file", "kallsyms pathname"), 3141 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, 3142 "When printing symbols do not display call chain"), 3143 OPT_CALLBACK(0, "symfs", NULL, "directory", 3144 "Look for files with symbols relative to this directory", 3145 symbol__config_symfs), 3146 OPT_CALLBACK('F', "fields", NULL, "str", 3147 "comma separated output fields prepend with 'type:'. " 3148 "+field to add and -field to remove." 3149 "Valid types: hw,sw,trace,raw,synth. " 3150 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso," 3151 "addr,symoff,srcline,period,iregs,uregs,brstack," 3152 "brstacksym,flags,bpf-output,brstackinsn,brstackoff," 3153 "callindent,insn,insnlen,synth,phys_addr,metric,misc", 3154 parse_output_fields), 3155 OPT_BOOLEAN('a', "all-cpus", &system_wide, 3156 "system-wide collection from all CPUs"), 3157 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 3158 "only consider these symbols"), 3159 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]", 3160 "Stop display of callgraph at these symbols"), 3161 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), 3162 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 3163 "only display events for these comms"), 3164 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 3165 "only consider symbols in these pids"), 3166 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 3167 "only consider symbols in these tids"), 3168 OPT_UINTEGER(0, "max-stack", &scripting_max_stack, 3169 "Set the maximum stack depth when parsing the callchain, " 3170 "anything beyond the specified depth will be ignored. " 3171 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 3172 OPT_BOOLEAN('I', "show-info", &show_full_info, 3173 "display extended information from perf.data file"), 3174 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, 3175 "Show the path of [kernel.kallsyms]"), 3176 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, 3177 "Show the fork/comm/exit events"), 3178 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, 3179 "Show the mmap events"), 3180 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events, 3181 "Show context switch events (if recorded)"), 3182 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events, 3183 "Show namespace events (if recorded)"), 3184 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events, 3185 "Show lost events (if recorded)"), 3186 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events, 3187 "Show round events (if recorded)"), 3188 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump, 3189 "Dump trace output to files named by the monitored events"), 3190 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 3191 OPT_INTEGER(0, "max-blocks", &max_blocks, 3192 "Maximum number of code blocks to dump with brstackinsn"), 3193 OPT_BOOLEAN(0, "ns", &nanosecs, 3194 "Use 9 decimal places when displaying time"), 3195 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 3196 "Instruction Tracing options", 3197 itrace_parse_synth_opts), 3198 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 3199 "Show full source file name path for source lines"), 3200 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 3201 "Enable symbol demangling"), 3202 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 3203 "Enable kernel symbol demangling"), 3204 OPT_STRING(0, "time", &script.time_str, "str", 3205 "Time span of interest (start,stop)"), 3206 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 3207 "Show inline function"), 3208 OPT_END() 3209 }; 3210 const char * const script_subcommands[] = { "record", "report", NULL }; 3211 const char *script_usage[] = { 3212 "perf script [<options>]", 3213 "perf script [<options>] record <script> [<record-options>] <command>", 3214 "perf script [<options>] report <script> [script-args]", 3215 "perf script [<options>] <script> [<record-options>] <command>", 3216 "perf script [<options>] <top-script> [script-args]", 3217 NULL 3218 }; 3219 3220 perf_set_singlethreaded(); 3221 3222 setup_scripting(); 3223 3224 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage, 3225 PARSE_OPT_STOP_AT_NON_OPTION); 3226 3227 data.file.path = input_name; 3228 data.force = symbol_conf.force; 3229 3230 if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) { 3231 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); 3232 if (!rec_script_path) 3233 return cmd_record(argc, argv); 3234 } 3235 3236 if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) { 3237 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); 3238 if (!rep_script_path) { 3239 fprintf(stderr, 3240 "Please specify a valid report script" 3241 "(see 'perf script -l' for listing)\n"); 3242 return -1; 3243 } 3244 } 3245 3246 if (itrace_synth_opts.callchain && 3247 itrace_synth_opts.callchain_sz > scripting_max_stack) 3248 scripting_max_stack = itrace_synth_opts.callchain_sz; 3249 3250 /* make sure PERF_EXEC_PATH is set for scripts */ 3251 set_argv_exec_path(get_argv_exec_path()); 3252 3253 if (argc && !script_name && !rec_script_path && !rep_script_path) { 3254 int live_pipe[2]; 3255 int rep_args; 3256 pid_t pid; 3257 3258 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); 3259 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); 3260 3261 if (!rec_script_path && !rep_script_path) { 3262 usage_with_options_msg(script_usage, options, 3263 "Couldn't find script `%s'\n\n See perf" 3264 " script -l for available scripts.\n", argv[0]); 3265 } 3266 3267 if (is_top_script(argv[0])) { 3268 rep_args = argc - 1; 3269 } else { 3270 int rec_args; 3271 3272 rep_args = has_required_arg(rep_script_path); 3273 rec_args = (argc - 1) - rep_args; 3274 if (rec_args < 0) { 3275 usage_with_options_msg(script_usage, options, 3276 "`%s' script requires options." 3277 "\n\n See perf script -l for available " 3278 "scripts and options.\n", argv[0]); 3279 } 3280 } 3281 3282 if (pipe(live_pipe) < 0) { 3283 perror("failed to create pipe"); 3284 return -1; 3285 } 3286 3287 pid = fork(); 3288 if (pid < 0) { 3289 perror("failed to fork"); 3290 return -1; 3291 } 3292 3293 if (!pid) { 3294 j = 0; 3295 3296 dup2(live_pipe[1], 1); 3297 close(live_pipe[0]); 3298 3299 if (is_top_script(argv[0])) { 3300 system_wide = true; 3301 } else if (!system_wide) { 3302 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { 3303 err = -1; 3304 goto out; 3305 } 3306 } 3307 3308 __argv = malloc((argc + 6) * sizeof(const char *)); 3309 if (!__argv) { 3310 pr_err("malloc failed\n"); 3311 err = -ENOMEM; 3312 goto out; 3313 } 3314 3315 __argv[j++] = "/bin/sh"; 3316 __argv[j++] = rec_script_path; 3317 if (system_wide) 3318 __argv[j++] = "-a"; 3319 __argv[j++] = "-q"; 3320 __argv[j++] = "-o"; 3321 __argv[j++] = "-"; 3322 for (i = rep_args + 1; i < argc; i++) 3323 __argv[j++] = argv[i]; 3324 __argv[j++] = NULL; 3325 3326 execvp("/bin/sh", (char **)__argv); 3327 free(__argv); 3328 exit(-1); 3329 } 3330 3331 dup2(live_pipe[0], 0); 3332 close(live_pipe[1]); 3333 3334 __argv = malloc((argc + 4) * sizeof(const char *)); 3335 if (!__argv) { 3336 pr_err("malloc failed\n"); 3337 err = -ENOMEM; 3338 goto out; 3339 } 3340 3341 j = 0; 3342 __argv[j++] = "/bin/sh"; 3343 __argv[j++] = rep_script_path; 3344 for (i = 1; i < rep_args + 1; i++) 3345 __argv[j++] = argv[i]; 3346 __argv[j++] = "-i"; 3347 __argv[j++] = "-"; 3348 __argv[j++] = NULL; 3349 3350 execvp("/bin/sh", (char **)__argv); 3351 free(__argv); 3352 exit(-1); 3353 } 3354 3355 if (rec_script_path) 3356 script_path = rec_script_path; 3357 if (rep_script_path) 3358 script_path = rep_script_path; 3359 3360 if (script_path) { 3361 j = 0; 3362 3363 if (!rec_script_path) 3364 system_wide = false; 3365 else if (!system_wide) { 3366 if (have_cmd(argc - 1, &argv[1]) != 0) { 3367 err = -1; 3368 goto out; 3369 } 3370 } 3371 3372 __argv = malloc((argc + 2) * sizeof(const char *)); 3373 if (!__argv) { 3374 pr_err("malloc failed\n"); 3375 err = -ENOMEM; 3376 goto out; 3377 } 3378 3379 __argv[j++] = "/bin/sh"; 3380 __argv[j++] = script_path; 3381 if (system_wide) 3382 __argv[j++] = "-a"; 3383 for (i = 2; i < argc; i++) 3384 __argv[j++] = argv[i]; 3385 __argv[j++] = NULL; 3386 3387 execvp("/bin/sh", (char **)__argv); 3388 free(__argv); 3389 exit(-1); 3390 } 3391 3392 if (!script_name) 3393 setup_pager(); 3394 3395 session = perf_session__new(&data, false, &script.tool); 3396 if (session == NULL) 3397 return -1; 3398 3399 if (header || header_only) { 3400 script.tool.show_feat_hdr = SHOW_FEAT_HEADER; 3401 perf_session__fprintf_info(session, stdout, show_full_info); 3402 if (header_only) 3403 goto out_delete; 3404 } 3405 if (show_full_info) 3406 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 3407 3408 if (symbol__init(&session->header.env) < 0) 3409 goto out_delete; 3410 3411 script.session = session; 3412 script__setup_sample_type(&script); 3413 3414 if (output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) 3415 itrace_synth_opts.thread_stack = true; 3416 3417 session->itrace_synth_opts = &itrace_synth_opts; 3418 3419 if (cpu_list) { 3420 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap); 3421 if (err < 0) 3422 goto out_delete; 3423 itrace_synth_opts.cpu_bitmap = cpu_bitmap; 3424 } 3425 3426 if (!no_callchain) 3427 symbol_conf.use_callchain = true; 3428 else 3429 symbol_conf.use_callchain = false; 3430 3431 if (session->tevent.pevent && 3432 pevent_set_function_resolver(session->tevent.pevent, 3433 machine__resolve_kernel_addr, 3434 &session->machines.host) < 0) { 3435 pr_err("%s: failed to set libtraceevent function resolver\n", __func__); 3436 err = -1; 3437 goto out_delete; 3438 } 3439 3440 if (generate_script_lang) { 3441 struct stat perf_stat; 3442 int input; 3443 3444 if (output_set_by_user()) { 3445 fprintf(stderr, 3446 "custom fields not supported for generated scripts"); 3447 err = -EINVAL; 3448 goto out_delete; 3449 } 3450 3451 input = open(data.file.path, O_RDONLY); /* input_name */ 3452 if (input < 0) { 3453 err = -errno; 3454 perror("failed to open file"); 3455 goto out_delete; 3456 } 3457 3458 err = fstat(input, &perf_stat); 3459 if (err < 0) { 3460 perror("failed to stat file"); 3461 goto out_delete; 3462 } 3463 3464 if (!perf_stat.st_size) { 3465 fprintf(stderr, "zero-sized file, nothing to do!\n"); 3466 goto out_delete; 3467 } 3468 3469 scripting_ops = script_spec__lookup(generate_script_lang); 3470 if (!scripting_ops) { 3471 fprintf(stderr, "invalid language specifier"); 3472 err = -ENOENT; 3473 goto out_delete; 3474 } 3475 3476 err = scripting_ops->generate_script(session->tevent.pevent, 3477 "perf-script"); 3478 goto out_delete; 3479 } 3480 3481 if (script_name) { 3482 err = scripting_ops->start_script(script_name, argc, argv); 3483 if (err) 3484 goto out_delete; 3485 pr_debug("perf script started with script %s\n\n", script_name); 3486 script_started = true; 3487 } 3488 3489 3490 err = perf_session__check_output_opt(session); 3491 if (err < 0) 3492 goto out_delete; 3493 3494 script.ptime_range = perf_time__range_alloc(script.time_str, 3495 &script.range_size); 3496 if (!script.ptime_range) { 3497 err = -ENOMEM; 3498 goto out_delete; 3499 } 3500 3501 /* needs to be parsed after looking up reference time */ 3502 if (perf_time__parse_str(script.ptime_range, script.time_str) != 0) { 3503 if (session->evlist->first_sample_time == 0 && 3504 session->evlist->last_sample_time == 0) { 3505 pr_err("HINT: no first/last sample time found in perf data.\n" 3506 "Please use latest perf binary to execute 'perf record'\n" 3507 "(if '--buildid-all' is enabled, please set '--timestamp-boundary').\n"); 3508 err = -EINVAL; 3509 goto out_delete; 3510 } 3511 3512 script.range_num = perf_time__percent_parse_str( 3513 script.ptime_range, script.range_size, 3514 script.time_str, 3515 session->evlist->first_sample_time, 3516 session->evlist->last_sample_time); 3517 3518 if (script.range_num < 0) { 3519 pr_err("Invalid time string\n"); 3520 err = -EINVAL; 3521 goto out_delete; 3522 } 3523 } else { 3524 script.range_num = 1; 3525 } 3526 3527 err = __cmd_script(&script); 3528 3529 flush_scripting(); 3530 3531 out_delete: 3532 zfree(&script.ptime_range); 3533 3534 perf_evlist__free_stats(session->evlist); 3535 perf_session__delete(session); 3536 3537 if (script_started) 3538 cleanup_scripting(); 3539 out: 3540 return err; 3541 } 3542