1 // SPDX-License-Identifier: GPL-2.0 2 #include "builtin.h" 3 4 #include "util/counts.h" 5 #include "util/debug.h" 6 #include "util/dso.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/map.h" 14 #include "util/srcline.h" 15 #include "util/symbol.h" 16 #include "util/thread.h" 17 #include "util/trace-event.h" 18 #include "util/evlist.h" 19 #include "util/evsel.h" 20 #include "util/evsel_fprintf.h" 21 #include "util/evswitch.h" 22 #include "util/sort.h" 23 #include "util/data.h" 24 #include "util/auxtrace.h" 25 #include "util/cpumap.h" 26 #include "util/thread_map.h" 27 #include "util/stat.h" 28 #include "util/color.h" 29 #include "util/string2.h" 30 #include "util/thread-stack.h" 31 #include "util/time-utils.h" 32 #include "util/path.h" 33 #include "ui/ui.h" 34 #include "print_binary.h" 35 #include "archinsn.h" 36 #include <linux/bitmap.h> 37 #include <linux/kernel.h> 38 #include <linux/stringify.h> 39 #include <linux/time64.h> 40 #include <linux/zalloc.h> 41 #include <sys/utsname.h> 42 #include "asm/bug.h" 43 #include "util/mem-events.h" 44 #include "util/dump-insn.h" 45 #include <dirent.h> 46 #include <errno.h> 47 #include <inttypes.h> 48 #include <signal.h> 49 #include <sys/param.h> 50 #include <sys/types.h> 51 #include <sys/stat.h> 52 #include <fcntl.h> 53 #include <unistd.h> 54 #include <subcmd/pager.h> 55 #include <perf/evlist.h> 56 #include <linux/err.h> 57 #include "util/record.h" 58 #include "util/util.h" 59 #include "perf.h" 60 61 #include <linux/ctype.h> 62 63 static char const *script_name; 64 static char const *generate_script_lang; 65 static bool reltime; 66 static bool deltatime; 67 static u64 initial_time; 68 static u64 previous_time; 69 static bool debug_mode; 70 static u64 last_timestamp; 71 static u64 nr_unordered; 72 static bool no_callchain; 73 static bool latency_format; 74 static bool system_wide; 75 static bool print_flags; 76 static const char *cpu_list; 77 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); 78 static struct perf_stat_config stat_config; 79 static int max_blocks; 80 static bool native_arch; 81 82 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH; 83 84 enum perf_output_field { 85 PERF_OUTPUT_COMM = 1U << 0, 86 PERF_OUTPUT_TID = 1U << 1, 87 PERF_OUTPUT_PID = 1U << 2, 88 PERF_OUTPUT_TIME = 1U << 3, 89 PERF_OUTPUT_CPU = 1U << 4, 90 PERF_OUTPUT_EVNAME = 1U << 5, 91 PERF_OUTPUT_TRACE = 1U << 6, 92 PERF_OUTPUT_IP = 1U << 7, 93 PERF_OUTPUT_SYM = 1U << 8, 94 PERF_OUTPUT_DSO = 1U << 9, 95 PERF_OUTPUT_ADDR = 1U << 10, 96 PERF_OUTPUT_SYMOFFSET = 1U << 11, 97 PERF_OUTPUT_SRCLINE = 1U << 12, 98 PERF_OUTPUT_PERIOD = 1U << 13, 99 PERF_OUTPUT_IREGS = 1U << 14, 100 PERF_OUTPUT_BRSTACK = 1U << 15, 101 PERF_OUTPUT_BRSTACKSYM = 1U << 16, 102 PERF_OUTPUT_DATA_SRC = 1U << 17, 103 PERF_OUTPUT_WEIGHT = 1U << 18, 104 PERF_OUTPUT_BPF_OUTPUT = 1U << 19, 105 PERF_OUTPUT_CALLINDENT = 1U << 20, 106 PERF_OUTPUT_INSN = 1U << 21, 107 PERF_OUTPUT_INSNLEN = 1U << 22, 108 PERF_OUTPUT_BRSTACKINSN = 1U << 23, 109 PERF_OUTPUT_BRSTACKOFF = 1U << 24, 110 PERF_OUTPUT_SYNTH = 1U << 25, 111 PERF_OUTPUT_PHYS_ADDR = 1U << 26, 112 PERF_OUTPUT_UREGS = 1U << 27, 113 PERF_OUTPUT_METRIC = 1U << 28, 114 PERF_OUTPUT_MISC = 1U << 29, 115 PERF_OUTPUT_SRCCODE = 1U << 30, 116 PERF_OUTPUT_IPC = 1U << 31, 117 }; 118 119 struct output_option { 120 const char *str; 121 enum perf_output_field field; 122 } all_output_options[] = { 123 {.str = "comm", .field = PERF_OUTPUT_COMM}, 124 {.str = "tid", .field = PERF_OUTPUT_TID}, 125 {.str = "pid", .field = PERF_OUTPUT_PID}, 126 {.str = "time", .field = PERF_OUTPUT_TIME}, 127 {.str = "cpu", .field = PERF_OUTPUT_CPU}, 128 {.str = "event", .field = PERF_OUTPUT_EVNAME}, 129 {.str = "trace", .field = PERF_OUTPUT_TRACE}, 130 {.str = "ip", .field = PERF_OUTPUT_IP}, 131 {.str = "sym", .field = PERF_OUTPUT_SYM}, 132 {.str = "dso", .field = PERF_OUTPUT_DSO}, 133 {.str = "addr", .field = PERF_OUTPUT_ADDR}, 134 {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET}, 135 {.str = "srcline", .field = PERF_OUTPUT_SRCLINE}, 136 {.str = "period", .field = PERF_OUTPUT_PERIOD}, 137 {.str = "iregs", .field = PERF_OUTPUT_IREGS}, 138 {.str = "uregs", .field = PERF_OUTPUT_UREGS}, 139 {.str = "brstack", .field = PERF_OUTPUT_BRSTACK}, 140 {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM}, 141 {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC}, 142 {.str = "weight", .field = PERF_OUTPUT_WEIGHT}, 143 {.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT}, 144 {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT}, 145 {.str = "insn", .field = PERF_OUTPUT_INSN}, 146 {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN}, 147 {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN}, 148 {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF}, 149 {.str = "synth", .field = PERF_OUTPUT_SYNTH}, 150 {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR}, 151 {.str = "metric", .field = PERF_OUTPUT_METRIC}, 152 {.str = "misc", .field = PERF_OUTPUT_MISC}, 153 {.str = "srccode", .field = PERF_OUTPUT_SRCCODE}, 154 {.str = "ipc", .field = PERF_OUTPUT_IPC}, 155 }; 156 157 enum { 158 OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX, 159 OUTPUT_TYPE_MAX 160 }; 161 162 /* default set to maintain compatibility with current format */ 163 static struct { 164 bool user_set; 165 bool wildcard_set; 166 unsigned int print_ip_opts; 167 u64 fields; 168 u64 invalid_fields; 169 u64 user_set_fields; 170 } output[OUTPUT_TYPE_MAX] = { 171 172 [PERF_TYPE_HARDWARE] = { 173 .user_set = false, 174 175 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 176 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 177 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 178 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 179 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 180 181 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 182 }, 183 184 [PERF_TYPE_SOFTWARE] = { 185 .user_set = false, 186 187 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 188 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 189 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 190 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 191 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 192 PERF_OUTPUT_BPF_OUTPUT, 193 194 .invalid_fields = PERF_OUTPUT_TRACE, 195 }, 196 197 [PERF_TYPE_TRACEPOINT] = { 198 .user_set = false, 199 200 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 201 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 202 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE 203 }, 204 205 [PERF_TYPE_HW_CACHE] = { 206 .user_set = false, 207 208 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 209 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 210 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 211 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 212 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 213 214 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 215 }, 216 217 [PERF_TYPE_RAW] = { 218 .user_set = false, 219 220 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 221 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 222 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 223 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 224 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 225 PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC | 226 PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR, 227 228 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 229 }, 230 231 [PERF_TYPE_BREAKPOINT] = { 232 .user_set = false, 233 234 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 235 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 236 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 237 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 238 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 239 240 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 241 }, 242 243 [OUTPUT_TYPE_SYNTH] = { 244 .user_set = false, 245 246 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 247 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 248 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 249 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 250 PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH, 251 252 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 253 }, 254 }; 255 256 struct evsel_script { 257 char *filename; 258 FILE *fp; 259 u64 samples; 260 /* For metric output */ 261 u64 val; 262 int gnum; 263 }; 264 265 static inline struct evsel_script *evsel_script(struct evsel *evsel) 266 { 267 return (struct evsel_script *)evsel->priv; 268 } 269 270 static struct evsel_script *perf_evsel_script__new(struct evsel *evsel, 271 struct perf_data *data) 272 { 273 struct evsel_script *es = zalloc(sizeof(*es)); 274 275 if (es != NULL) { 276 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, perf_evsel__name(evsel)) < 0) 277 goto out_free; 278 es->fp = fopen(es->filename, "w"); 279 if (es->fp == NULL) 280 goto out_free_filename; 281 } 282 283 return es; 284 out_free_filename: 285 zfree(&es->filename); 286 out_free: 287 free(es); 288 return NULL; 289 } 290 291 static void perf_evsel_script__delete(struct evsel_script *es) 292 { 293 zfree(&es->filename); 294 fclose(es->fp); 295 es->fp = NULL; 296 free(es); 297 } 298 299 static int perf_evsel_script__fprintf(struct evsel_script *es, FILE *fp) 300 { 301 struct stat st; 302 303 fstat(fileno(es->fp), &st); 304 return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n", 305 st.st_size / 1024.0 / 1024.0, es->filename, es->samples); 306 } 307 308 static inline int output_type(unsigned int type) 309 { 310 switch (type) { 311 case PERF_TYPE_SYNTH: 312 return OUTPUT_TYPE_SYNTH; 313 default: 314 return type; 315 } 316 } 317 318 static inline unsigned int attr_type(unsigned int type) 319 { 320 switch (type) { 321 case OUTPUT_TYPE_SYNTH: 322 return PERF_TYPE_SYNTH; 323 default: 324 return type; 325 } 326 } 327 328 static bool output_set_by_user(void) 329 { 330 int j; 331 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 332 if (output[j].user_set) 333 return true; 334 } 335 return false; 336 } 337 338 static const char *output_field2str(enum perf_output_field field) 339 { 340 int i, imax = ARRAY_SIZE(all_output_options); 341 const char *str = ""; 342 343 for (i = 0; i < imax; ++i) { 344 if (all_output_options[i].field == field) { 345 str = all_output_options[i].str; 346 break; 347 } 348 } 349 return str; 350 } 351 352 #define PRINT_FIELD(x) (output[output_type(attr->type)].fields & PERF_OUTPUT_##x) 353 354 static int perf_evsel__do_check_stype(struct evsel *evsel, 355 u64 sample_type, const char *sample_msg, 356 enum perf_output_field field, 357 bool allow_user_set) 358 { 359 struct perf_event_attr *attr = &evsel->core.attr; 360 int type = output_type(attr->type); 361 const char *evname; 362 363 if (attr->sample_type & sample_type) 364 return 0; 365 366 if (output[type].user_set_fields & field) { 367 if (allow_user_set) 368 return 0; 369 evname = perf_evsel__name(evsel); 370 pr_err("Samples for '%s' event do not have %s attribute set. " 371 "Cannot print '%s' field.\n", 372 evname, sample_msg, output_field2str(field)); 373 return -1; 374 } 375 376 /* user did not ask for it explicitly so remove from the default list */ 377 output[type].fields &= ~field; 378 evname = perf_evsel__name(evsel); 379 pr_debug("Samples for '%s' event do not have %s attribute set. " 380 "Skipping '%s' field.\n", 381 evname, sample_msg, output_field2str(field)); 382 383 return 0; 384 } 385 386 static int perf_evsel__check_stype(struct evsel *evsel, 387 u64 sample_type, const char *sample_msg, 388 enum perf_output_field field) 389 { 390 return perf_evsel__do_check_stype(evsel, sample_type, sample_msg, field, 391 false); 392 } 393 394 static int perf_evsel__check_attr(struct evsel *evsel, 395 struct perf_session *session) 396 { 397 struct perf_event_attr *attr = &evsel->core.attr; 398 bool allow_user_set; 399 400 if (perf_header__has_feat(&session->header, HEADER_STAT)) 401 return 0; 402 403 allow_user_set = perf_header__has_feat(&session->header, 404 HEADER_AUXTRACE); 405 406 if (PRINT_FIELD(TRACE) && 407 !perf_session__has_traces(session, "record -R")) 408 return -EINVAL; 409 410 if (PRINT_FIELD(IP)) { 411 if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", 412 PERF_OUTPUT_IP)) 413 return -EINVAL; 414 } 415 416 if (PRINT_FIELD(ADDR) && 417 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", 418 PERF_OUTPUT_ADDR, allow_user_set)) 419 return -EINVAL; 420 421 if (PRINT_FIELD(DATA_SRC) && 422 perf_evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", 423 PERF_OUTPUT_DATA_SRC)) 424 return -EINVAL; 425 426 if (PRINT_FIELD(WEIGHT) && 427 perf_evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT", 428 PERF_OUTPUT_WEIGHT)) 429 return -EINVAL; 430 431 if (PRINT_FIELD(SYM) && 432 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 433 pr_err("Display of symbols requested but neither sample IP nor " 434 "sample address\navailable. Hence, no addresses to convert " 435 "to symbols.\n"); 436 return -EINVAL; 437 } 438 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) { 439 pr_err("Display of offsets requested but symbol is not" 440 "selected.\n"); 441 return -EINVAL; 442 } 443 if (PRINT_FIELD(DSO) && 444 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 445 pr_err("Display of DSO requested but no address to convert.\n"); 446 return -EINVAL; 447 } 448 if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) { 449 pr_err("Display of source line number requested but sample IP is not\n" 450 "selected. Hence, no address to lookup the source line number.\n"); 451 return -EINVAL; 452 } 453 if (PRINT_FIELD(BRSTACKINSN) && !allow_user_set && 454 !(perf_evlist__combined_branch_type(session->evlist) & 455 PERF_SAMPLE_BRANCH_ANY)) { 456 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n" 457 "Hint: run 'perf record -b ...'\n"); 458 return -EINVAL; 459 } 460 if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) && 461 perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", 462 PERF_OUTPUT_TID|PERF_OUTPUT_PID)) 463 return -EINVAL; 464 465 if (PRINT_FIELD(TIME) && 466 perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", 467 PERF_OUTPUT_TIME)) 468 return -EINVAL; 469 470 if (PRINT_FIELD(CPU) && 471 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", 472 PERF_OUTPUT_CPU, allow_user_set)) 473 return -EINVAL; 474 475 if (PRINT_FIELD(IREGS) && 476 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", 477 PERF_OUTPUT_IREGS)) 478 return -EINVAL; 479 480 if (PRINT_FIELD(UREGS) && 481 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", 482 PERF_OUTPUT_UREGS)) 483 return -EINVAL; 484 485 if (PRINT_FIELD(PHYS_ADDR) && 486 perf_evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", 487 PERF_OUTPUT_PHYS_ADDR)) 488 return -EINVAL; 489 490 return 0; 491 } 492 493 static void set_print_ip_opts(struct perf_event_attr *attr) 494 { 495 unsigned int type = output_type(attr->type); 496 497 output[type].print_ip_opts = 0; 498 if (PRINT_FIELD(IP)) 499 output[type].print_ip_opts |= EVSEL__PRINT_IP; 500 501 if (PRINT_FIELD(SYM)) 502 output[type].print_ip_opts |= EVSEL__PRINT_SYM; 503 504 if (PRINT_FIELD(DSO)) 505 output[type].print_ip_opts |= EVSEL__PRINT_DSO; 506 507 if (PRINT_FIELD(SYMOFFSET)) 508 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET; 509 510 if (PRINT_FIELD(SRCLINE)) 511 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE; 512 } 513 514 /* 515 * verify all user requested events exist and the samples 516 * have the expected data 517 */ 518 static int perf_session__check_output_opt(struct perf_session *session) 519 { 520 unsigned int j; 521 struct evsel *evsel; 522 523 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 524 evsel = perf_session__find_first_evtype(session, attr_type(j)); 525 526 /* 527 * even if fields is set to 0 (ie., show nothing) event must 528 * exist if user explicitly includes it on the command line 529 */ 530 if (!evsel && output[j].user_set && !output[j].wildcard_set && 531 j != OUTPUT_TYPE_SYNTH) { 532 pr_err("%s events do not exist. " 533 "Remove corresponding -F option to proceed.\n", 534 event_type(j)); 535 return -1; 536 } 537 538 if (evsel && output[j].fields && 539 perf_evsel__check_attr(evsel, session)) 540 return -1; 541 542 if (evsel == NULL) 543 continue; 544 545 set_print_ip_opts(&evsel->core.attr); 546 } 547 548 if (!no_callchain) { 549 bool use_callchain = false; 550 bool not_pipe = false; 551 552 evlist__for_each_entry(session->evlist, evsel) { 553 not_pipe = true; 554 if (evsel__has_callchain(evsel)) { 555 use_callchain = true; 556 break; 557 } 558 } 559 if (not_pipe && !use_callchain) 560 symbol_conf.use_callchain = false; 561 } 562 563 /* 564 * set default for tracepoints to print symbols only 565 * if callchains are present 566 */ 567 if (symbol_conf.use_callchain && 568 !output[PERF_TYPE_TRACEPOINT].user_set) { 569 j = PERF_TYPE_TRACEPOINT; 570 571 evlist__for_each_entry(session->evlist, evsel) { 572 if (evsel->core.attr.type != j) 573 continue; 574 575 if (evsel__has_callchain(evsel)) { 576 output[j].fields |= PERF_OUTPUT_IP; 577 output[j].fields |= PERF_OUTPUT_SYM; 578 output[j].fields |= PERF_OUTPUT_SYMOFFSET; 579 output[j].fields |= PERF_OUTPUT_DSO; 580 set_print_ip_opts(&evsel->core.attr); 581 goto out; 582 } 583 } 584 } 585 586 out: 587 return 0; 588 } 589 590 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask, 591 FILE *fp 592 ) 593 { 594 unsigned i = 0, r; 595 int printed = 0; 596 597 if (!regs || !regs->regs) 598 return 0; 599 600 printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi); 601 602 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) { 603 u64 val = regs->regs[i++]; 604 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val); 605 } 606 607 fprintf(fp, "\n"); 608 609 return printed; 610 } 611 612 static int perf_sample__fprintf_iregs(struct perf_sample *sample, 613 struct perf_event_attr *attr, FILE *fp) 614 { 615 return perf_sample__fprintf_regs(&sample->intr_regs, 616 attr->sample_regs_intr, fp); 617 } 618 619 static int perf_sample__fprintf_uregs(struct perf_sample *sample, 620 struct perf_event_attr *attr, FILE *fp) 621 { 622 return perf_sample__fprintf_regs(&sample->user_regs, 623 attr->sample_regs_user, fp); 624 } 625 626 static int perf_sample__fprintf_start(struct perf_sample *sample, 627 struct thread *thread, 628 struct evsel *evsel, 629 u32 type, FILE *fp) 630 { 631 struct perf_event_attr *attr = &evsel->core.attr; 632 unsigned long secs; 633 unsigned long long nsecs; 634 int printed = 0; 635 636 if (PRINT_FIELD(COMM)) { 637 if (latency_format) 638 printed += fprintf(fp, "%8.8s ", thread__comm_str(thread)); 639 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain) 640 printed += fprintf(fp, "%s ", thread__comm_str(thread)); 641 else 642 printed += fprintf(fp, "%16s ", thread__comm_str(thread)); 643 } 644 645 if (PRINT_FIELD(PID) && PRINT_FIELD(TID)) 646 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid); 647 else if (PRINT_FIELD(PID)) 648 printed += fprintf(fp, "%5d ", sample->pid); 649 else if (PRINT_FIELD(TID)) 650 printed += fprintf(fp, "%5d ", sample->tid); 651 652 if (PRINT_FIELD(CPU)) { 653 if (latency_format) 654 printed += fprintf(fp, "%3d ", sample->cpu); 655 else 656 printed += fprintf(fp, "[%03d] ", sample->cpu); 657 } 658 659 if (PRINT_FIELD(MISC)) { 660 int ret = 0; 661 662 #define has(m) \ 663 (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m 664 665 if (has(KERNEL)) 666 ret += fprintf(fp, "K"); 667 if (has(USER)) 668 ret += fprintf(fp, "U"); 669 if (has(HYPERVISOR)) 670 ret += fprintf(fp, "H"); 671 if (has(GUEST_KERNEL)) 672 ret += fprintf(fp, "G"); 673 if (has(GUEST_USER)) 674 ret += fprintf(fp, "g"); 675 676 switch (type) { 677 case PERF_RECORD_MMAP: 678 case PERF_RECORD_MMAP2: 679 if (has(MMAP_DATA)) 680 ret += fprintf(fp, "M"); 681 break; 682 case PERF_RECORD_COMM: 683 if (has(COMM_EXEC)) 684 ret += fprintf(fp, "E"); 685 break; 686 case PERF_RECORD_SWITCH: 687 case PERF_RECORD_SWITCH_CPU_WIDE: 688 if (has(SWITCH_OUT)) { 689 ret += fprintf(fp, "S"); 690 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT) 691 ret += fprintf(fp, "p"); 692 } 693 default: 694 break; 695 } 696 697 #undef has 698 699 ret += fprintf(fp, "%*s", 6 - ret, " "); 700 printed += ret; 701 } 702 703 if (PRINT_FIELD(TIME)) { 704 u64 t = sample->time; 705 if (reltime) { 706 if (!initial_time) 707 initial_time = sample->time; 708 t = sample->time - initial_time; 709 } else if (deltatime) { 710 if (previous_time) 711 t = sample->time - previous_time; 712 else { 713 t = 0; 714 } 715 previous_time = sample->time; 716 } 717 nsecs = t; 718 secs = nsecs / NSEC_PER_SEC; 719 nsecs -= secs * NSEC_PER_SEC; 720 721 if (symbol_conf.nanosecs) 722 printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs); 723 else { 724 char sample_time[32]; 725 timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time)); 726 printed += fprintf(fp, "%12s: ", sample_time); 727 } 728 } 729 730 return printed; 731 } 732 733 static inline char 734 mispred_str(struct branch_entry *br) 735 { 736 if (!(br->flags.mispred || br->flags.predicted)) 737 return '-'; 738 739 return br->flags.predicted ? 'P' : 'M'; 740 } 741 742 static int perf_sample__fprintf_brstack(struct perf_sample *sample, 743 struct thread *thread, 744 struct perf_event_attr *attr, FILE *fp) 745 { 746 struct branch_stack *br = sample->branch_stack; 747 struct branch_entry *entries = perf_sample__branch_entries(sample); 748 struct addr_location alf, alt; 749 u64 i, from, to; 750 int printed = 0; 751 752 if (!(br && br->nr)) 753 return 0; 754 755 for (i = 0; i < br->nr; i++) { 756 from = entries[i].from; 757 to = entries[i].to; 758 759 if (PRINT_FIELD(DSO)) { 760 memset(&alf, 0, sizeof(alf)); 761 memset(&alt, 0, sizeof(alt)); 762 thread__find_map_fb(thread, sample->cpumode, from, &alf); 763 thread__find_map_fb(thread, sample->cpumode, to, &alt); 764 } 765 766 printed += fprintf(fp, " 0x%"PRIx64, from); 767 if (PRINT_FIELD(DSO)) { 768 printed += fprintf(fp, "("); 769 printed += map__fprintf_dsoname(alf.map, fp); 770 printed += fprintf(fp, ")"); 771 } 772 773 printed += fprintf(fp, "/0x%"PRIx64, to); 774 if (PRINT_FIELD(DSO)) { 775 printed += fprintf(fp, "("); 776 printed += map__fprintf_dsoname(alt.map, fp); 777 printed += fprintf(fp, ")"); 778 } 779 780 printed += fprintf(fp, "/%c/%c/%c/%d ", 781 mispred_str(entries + i), 782 entries[i].flags.in_tx ? 'X' : '-', 783 entries[i].flags.abort ? 'A' : '-', 784 entries[i].flags.cycles); 785 } 786 787 return printed; 788 } 789 790 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample, 791 struct thread *thread, 792 struct perf_event_attr *attr, FILE *fp) 793 { 794 struct branch_stack *br = sample->branch_stack; 795 struct branch_entry *entries = perf_sample__branch_entries(sample); 796 struct addr_location alf, alt; 797 u64 i, from, to; 798 int printed = 0; 799 800 if (!(br && br->nr)) 801 return 0; 802 803 for (i = 0; i < br->nr; i++) { 804 805 memset(&alf, 0, sizeof(alf)); 806 memset(&alt, 0, sizeof(alt)); 807 from = entries[i].from; 808 to = entries[i].to; 809 810 thread__find_symbol_fb(thread, sample->cpumode, from, &alf); 811 thread__find_symbol_fb(thread, sample->cpumode, to, &alt); 812 813 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp); 814 if (PRINT_FIELD(DSO)) { 815 printed += fprintf(fp, "("); 816 printed += map__fprintf_dsoname(alf.map, fp); 817 printed += fprintf(fp, ")"); 818 } 819 printed += fprintf(fp, "%c", '/'); 820 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp); 821 if (PRINT_FIELD(DSO)) { 822 printed += fprintf(fp, "("); 823 printed += map__fprintf_dsoname(alt.map, fp); 824 printed += fprintf(fp, ")"); 825 } 826 printed += fprintf(fp, "/%c/%c/%c/%d ", 827 mispred_str(entries + i), 828 entries[i].flags.in_tx ? 'X' : '-', 829 entries[i].flags.abort ? 'A' : '-', 830 entries[i].flags.cycles); 831 } 832 833 return printed; 834 } 835 836 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample, 837 struct thread *thread, 838 struct perf_event_attr *attr, FILE *fp) 839 { 840 struct branch_stack *br = sample->branch_stack; 841 struct branch_entry *entries = perf_sample__branch_entries(sample); 842 struct addr_location alf, alt; 843 u64 i, from, to; 844 int printed = 0; 845 846 if (!(br && br->nr)) 847 return 0; 848 849 for (i = 0; i < br->nr; i++) { 850 851 memset(&alf, 0, sizeof(alf)); 852 memset(&alt, 0, sizeof(alt)); 853 from = entries[i].from; 854 to = entries[i].to; 855 856 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) && 857 !alf.map->dso->adjust_symbols) 858 from = map__map_ip(alf.map, from); 859 860 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) && 861 !alt.map->dso->adjust_symbols) 862 to = map__map_ip(alt.map, to); 863 864 printed += fprintf(fp, " 0x%"PRIx64, from); 865 if (PRINT_FIELD(DSO)) { 866 printed += fprintf(fp, "("); 867 printed += map__fprintf_dsoname(alf.map, fp); 868 printed += fprintf(fp, ")"); 869 } 870 printed += fprintf(fp, "/0x%"PRIx64, to); 871 if (PRINT_FIELD(DSO)) { 872 printed += fprintf(fp, "("); 873 printed += map__fprintf_dsoname(alt.map, fp); 874 printed += fprintf(fp, ")"); 875 } 876 printed += fprintf(fp, "/%c/%c/%c/%d ", 877 mispred_str(entries + i), 878 entries[i].flags.in_tx ? 'X' : '-', 879 entries[i].flags.abort ? 'A' : '-', 880 entries[i].flags.cycles); 881 } 882 883 return printed; 884 } 885 #define MAXBB 16384UL 886 887 static int grab_bb(u8 *buffer, u64 start, u64 end, 888 struct machine *machine, struct thread *thread, 889 bool *is64bit, u8 *cpumode, bool last) 890 { 891 long offset, len; 892 struct addr_location al; 893 bool kernel; 894 895 if (!start || !end) 896 return 0; 897 898 kernel = machine__kernel_ip(machine, start); 899 if (kernel) 900 *cpumode = PERF_RECORD_MISC_KERNEL; 901 else 902 *cpumode = PERF_RECORD_MISC_USER; 903 904 /* 905 * Block overlaps between kernel and user. 906 * This can happen due to ring filtering 907 * On Intel CPUs the entry into the kernel is filtered, 908 * but the exit is not. Let the caller patch it up. 909 */ 910 if (kernel != machine__kernel_ip(machine, end)) { 911 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end); 912 return -ENXIO; 913 } 914 915 memset(&al, 0, sizeof(al)); 916 if (end - start > MAXBB - MAXINSN) { 917 if (last) 918 pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end); 919 else 920 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start); 921 return 0; 922 } 923 924 if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) { 925 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 926 return 0; 927 } 928 if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) { 929 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 930 return 0; 931 } 932 933 /* Load maps to ensure dso->is_64_bit has been updated */ 934 map__load(al.map); 935 936 offset = al.map->map_ip(al.map, start); 937 len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer, 938 end - start + MAXINSN); 939 940 *is64bit = al.map->dso->is_64_bit; 941 if (len <= 0) 942 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n", 943 start, end); 944 return len; 945 } 946 947 static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state) 948 { 949 char *srcfile; 950 int ret = 0; 951 unsigned line; 952 int len; 953 char *srccode; 954 955 if (!map || !map->dso) 956 return 0; 957 srcfile = get_srcline_split(map->dso, 958 map__rip_2objdump(map, addr), 959 &line); 960 if (!srcfile) 961 return 0; 962 963 /* Avoid redundant printing */ 964 if (state && 965 state->srcfile && 966 !strcmp(state->srcfile, srcfile) && 967 state->line == line) { 968 free(srcfile); 969 return 0; 970 } 971 972 srccode = find_sourceline(srcfile, line, &len); 973 if (!srccode) 974 goto out_free_line; 975 976 ret = fprintf(fp, "|%-8d %.*s", line, len, srccode); 977 978 if (state) { 979 state->srcfile = srcfile; 980 state->line = line; 981 } 982 return ret; 983 984 out_free_line: 985 free(srcfile); 986 return ret; 987 } 988 989 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr) 990 { 991 struct addr_location al; 992 int ret = 0; 993 994 memset(&al, 0, sizeof(al)); 995 thread__find_map(thread, cpumode, addr, &al); 996 if (!al.map) 997 return 0; 998 ret = map__fprintf_srccode(al.map, al.addr, stdout, 999 &thread->srccode_state); 1000 if (ret) 1001 ret += printf("\n"); 1002 return ret; 1003 } 1004 1005 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en, 1006 struct perf_insn *x, u8 *inbuf, int len, 1007 int insn, FILE *fp, int *total_cycles) 1008 { 1009 int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip, 1010 dump_insn(x, ip, inbuf, len, NULL), 1011 en->flags.predicted ? " PRED" : "", 1012 en->flags.mispred ? " MISPRED" : "", 1013 en->flags.in_tx ? " INTX" : "", 1014 en->flags.abort ? " ABORT" : ""); 1015 if (en->flags.cycles) { 1016 *total_cycles += en->flags.cycles; 1017 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles); 1018 if (insn) 1019 printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles); 1020 } 1021 return printed + fprintf(fp, "\n"); 1022 } 1023 1024 static int ip__fprintf_sym(uint64_t addr, struct thread *thread, 1025 u8 cpumode, int cpu, struct symbol **lastsym, 1026 struct perf_event_attr *attr, FILE *fp) 1027 { 1028 struct addr_location al; 1029 int off, printed = 0; 1030 1031 memset(&al, 0, sizeof(al)); 1032 1033 thread__find_map(thread, cpumode, addr, &al); 1034 1035 if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end) 1036 return 0; 1037 1038 al.cpu = cpu; 1039 al.sym = NULL; 1040 if (al.map) 1041 al.sym = map__find_symbol(al.map, al.addr); 1042 1043 if (!al.sym) 1044 return 0; 1045 1046 if (al.addr < al.sym->end) 1047 off = al.addr - al.sym->start; 1048 else 1049 off = al.addr - al.map->start - al.sym->start; 1050 printed += fprintf(fp, "\t%s", al.sym->name); 1051 if (off) 1052 printed += fprintf(fp, "%+d", off); 1053 printed += fprintf(fp, ":"); 1054 if (PRINT_FIELD(SRCLINE)) 1055 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp); 1056 printed += fprintf(fp, "\n"); 1057 *lastsym = al.sym; 1058 1059 return printed; 1060 } 1061 1062 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample, 1063 struct thread *thread, 1064 struct perf_event_attr *attr, 1065 struct machine *machine, FILE *fp) 1066 { 1067 struct branch_stack *br = sample->branch_stack; 1068 struct branch_entry *entries = perf_sample__branch_entries(sample); 1069 u64 start, end; 1070 int i, insn, len, nr, ilen, printed = 0; 1071 struct perf_insn x; 1072 u8 buffer[MAXBB]; 1073 unsigned off; 1074 struct symbol *lastsym = NULL; 1075 int total_cycles = 0; 1076 1077 if (!(br && br->nr)) 1078 return 0; 1079 nr = br->nr; 1080 if (max_blocks && nr > max_blocks + 1) 1081 nr = max_blocks + 1; 1082 1083 x.thread = thread; 1084 x.cpu = sample->cpu; 1085 1086 printed += fprintf(fp, "%c", '\n'); 1087 1088 /* Handle first from jump, of which we don't know the entry. */ 1089 len = grab_bb(buffer, entries[nr-1].from, 1090 entries[nr-1].from, 1091 machine, thread, &x.is64bit, &x.cpumode, false); 1092 if (len > 0) { 1093 printed += ip__fprintf_sym(entries[nr - 1].from, thread, 1094 x.cpumode, x.cpu, &lastsym, attr, fp); 1095 printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1], 1096 &x, buffer, len, 0, fp, &total_cycles); 1097 if (PRINT_FIELD(SRCCODE)) 1098 printed += print_srccode(thread, x.cpumode, entries[nr - 1].from); 1099 } 1100 1101 /* Print all blocks */ 1102 for (i = nr - 2; i >= 0; i--) { 1103 if (entries[i].from || entries[i].to) 1104 pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i, 1105 entries[i].from, 1106 entries[i].to); 1107 start = entries[i + 1].to; 1108 end = entries[i].from; 1109 1110 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1111 /* Patch up missing kernel transfers due to ring filters */ 1112 if (len == -ENXIO && i > 0) { 1113 end = entries[--i].from; 1114 pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end); 1115 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1116 } 1117 if (len <= 0) 1118 continue; 1119 1120 insn = 0; 1121 for (off = 0; off < (unsigned)len; off += ilen) { 1122 uint64_t ip = start + off; 1123 1124 printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1125 if (ip == end) { 1126 printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp, 1127 &total_cycles); 1128 if (PRINT_FIELD(SRCCODE)) 1129 printed += print_srccode(thread, x.cpumode, ip); 1130 break; 1131 } else { 1132 ilen = 0; 1133 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip, 1134 dump_insn(&x, ip, buffer + off, len - off, &ilen)); 1135 if (ilen == 0) 1136 break; 1137 if (PRINT_FIELD(SRCCODE)) 1138 print_srccode(thread, x.cpumode, ip); 1139 insn++; 1140 } 1141 } 1142 if (off != end - start) 1143 printed += fprintf(fp, "\tmismatch of LBR data and executable\n"); 1144 } 1145 1146 /* 1147 * Hit the branch? In this case we are already done, and the target 1148 * has not been executed yet. 1149 */ 1150 if (entries[0].from == sample->ip) 1151 goto out; 1152 if (entries[0].flags.abort) 1153 goto out; 1154 1155 /* 1156 * Print final block upto sample 1157 * 1158 * Due to pipeline delays the LBRs might be missing a branch 1159 * or two, which can result in very large or negative blocks 1160 * between final branch and sample. When this happens just 1161 * continue walking after the last TO until we hit a branch. 1162 */ 1163 start = entries[0].to; 1164 end = sample->ip; 1165 if (end < start) { 1166 /* Missing jump. Scan 128 bytes for the next branch */ 1167 end = start + 128; 1168 } 1169 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true); 1170 printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1171 if (len <= 0) { 1172 /* Print at least last IP if basic block did not work */ 1173 len = grab_bb(buffer, sample->ip, sample->ip, 1174 machine, thread, &x.is64bit, &x.cpumode, false); 1175 if (len <= 0) 1176 goto out; 1177 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip, 1178 dump_insn(&x, sample->ip, buffer, len, NULL)); 1179 if (PRINT_FIELD(SRCCODE)) 1180 print_srccode(thread, x.cpumode, sample->ip); 1181 goto out; 1182 } 1183 for (off = 0; off <= end - start; off += ilen) { 1184 ilen = 0; 1185 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off, 1186 dump_insn(&x, start + off, buffer + off, len - off, &ilen)); 1187 if (ilen == 0) 1188 break; 1189 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) { 1190 /* 1191 * Hit a missing branch. Just stop. 1192 */ 1193 printed += fprintf(fp, "\t... not reaching sample ...\n"); 1194 break; 1195 } 1196 if (PRINT_FIELD(SRCCODE)) 1197 print_srccode(thread, x.cpumode, start + off); 1198 } 1199 out: 1200 return printed; 1201 } 1202 1203 static int perf_sample__fprintf_addr(struct perf_sample *sample, 1204 struct thread *thread, 1205 struct perf_event_attr *attr, FILE *fp) 1206 { 1207 struct addr_location al; 1208 int printed = fprintf(fp, "%16" PRIx64, sample->addr); 1209 1210 if (!sample_addr_correlates_sym(attr)) 1211 goto out; 1212 1213 thread__resolve(thread, &al, sample); 1214 1215 if (PRINT_FIELD(SYM)) { 1216 printed += fprintf(fp, " "); 1217 if (PRINT_FIELD(SYMOFFSET)) 1218 printed += symbol__fprintf_symname_offs(al.sym, &al, fp); 1219 else 1220 printed += symbol__fprintf_symname(al.sym, fp); 1221 } 1222 1223 if (PRINT_FIELD(DSO)) { 1224 printed += fprintf(fp, " ("); 1225 printed += map__fprintf_dsoname(al.map, fp); 1226 printed += fprintf(fp, ")"); 1227 } 1228 out: 1229 return printed; 1230 } 1231 1232 static const char *resolve_branch_sym(struct perf_sample *sample, 1233 struct evsel *evsel, 1234 struct thread *thread, 1235 struct addr_location *al, 1236 u64 *ip) 1237 { 1238 struct addr_location addr_al; 1239 struct perf_event_attr *attr = &evsel->core.attr; 1240 const char *name = NULL; 1241 1242 if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) { 1243 if (sample_addr_correlates_sym(attr)) { 1244 thread__resolve(thread, &addr_al, sample); 1245 if (addr_al.sym) 1246 name = addr_al.sym->name; 1247 else 1248 *ip = sample->addr; 1249 } else { 1250 *ip = sample->addr; 1251 } 1252 } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) { 1253 if (al->sym) 1254 name = al->sym->name; 1255 else 1256 *ip = sample->ip; 1257 } 1258 return name; 1259 } 1260 1261 static int perf_sample__fprintf_callindent(struct perf_sample *sample, 1262 struct evsel *evsel, 1263 struct thread *thread, 1264 struct addr_location *al, FILE *fp) 1265 { 1266 struct perf_event_attr *attr = &evsel->core.attr; 1267 size_t depth = thread_stack__depth(thread, sample->cpu); 1268 const char *name = NULL; 1269 static int spacing; 1270 int len = 0; 1271 int dlen = 0; 1272 u64 ip = 0; 1273 1274 /* 1275 * The 'return' has already been popped off the stack so the depth has 1276 * to be adjusted to match the 'call'. 1277 */ 1278 if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN) 1279 depth += 1; 1280 1281 name = resolve_branch_sym(sample, evsel, thread, al, &ip); 1282 1283 if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) { 1284 dlen += fprintf(fp, "("); 1285 dlen += map__fprintf_dsoname(al->map, fp); 1286 dlen += fprintf(fp, ")\t"); 1287 } 1288 1289 if (name) 1290 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name); 1291 else if (ip) 1292 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip); 1293 1294 if (len < 0) 1295 return len; 1296 1297 /* 1298 * Try to keep the output length from changing frequently so that the 1299 * output lines up more nicely. 1300 */ 1301 if (len > spacing || (len && len < spacing - 52)) 1302 spacing = round_up(len + 4, 32); 1303 1304 if (len < spacing) 1305 len += fprintf(fp, "%*s", spacing - len, ""); 1306 1307 return len + dlen; 1308 } 1309 1310 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused, 1311 struct thread *thread __maybe_unused, 1312 struct machine *machine __maybe_unused) 1313 { 1314 } 1315 1316 static int perf_sample__fprintf_insn(struct perf_sample *sample, 1317 struct perf_event_attr *attr, 1318 struct thread *thread, 1319 struct machine *machine, FILE *fp) 1320 { 1321 int printed = 0; 1322 1323 if (sample->insn_len == 0 && native_arch) 1324 arch_fetch_insn(sample, thread, machine); 1325 1326 if (PRINT_FIELD(INSNLEN)) 1327 printed += fprintf(fp, " ilen: %d", sample->insn_len); 1328 if (PRINT_FIELD(INSN) && sample->insn_len) { 1329 int i; 1330 1331 printed += fprintf(fp, " insn:"); 1332 for (i = 0; i < sample->insn_len; i++) 1333 printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]); 1334 } 1335 if (PRINT_FIELD(BRSTACKINSN)) 1336 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp); 1337 1338 return printed; 1339 } 1340 1341 static int perf_sample__fprintf_ipc(struct perf_sample *sample, 1342 struct perf_event_attr *attr, FILE *fp) 1343 { 1344 unsigned int ipc; 1345 1346 if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt) 1347 return 0; 1348 1349 ipc = (sample->insn_cnt * 100) / sample->cyc_cnt; 1350 1351 return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ", 1352 ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt); 1353 } 1354 1355 static int perf_sample__fprintf_bts(struct perf_sample *sample, 1356 struct evsel *evsel, 1357 struct thread *thread, 1358 struct addr_location *al, 1359 struct machine *machine, FILE *fp) 1360 { 1361 struct perf_event_attr *attr = &evsel->core.attr; 1362 unsigned int type = output_type(attr->type); 1363 bool print_srcline_last = false; 1364 int printed = 0; 1365 1366 if (PRINT_FIELD(CALLINDENT)) 1367 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp); 1368 1369 /* print branch_from information */ 1370 if (PRINT_FIELD(IP)) { 1371 unsigned int print_opts = output[type].print_ip_opts; 1372 struct callchain_cursor *cursor = NULL; 1373 1374 if (symbol_conf.use_callchain && sample->callchain && 1375 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 1376 sample, NULL, NULL, scripting_max_stack) == 0) 1377 cursor = &callchain_cursor; 1378 1379 if (cursor == NULL) { 1380 printed += fprintf(fp, " "); 1381 if (print_opts & EVSEL__PRINT_SRCLINE) { 1382 print_srcline_last = true; 1383 print_opts &= ~EVSEL__PRINT_SRCLINE; 1384 } 1385 } else 1386 printed += fprintf(fp, "\n"); 1387 1388 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, 1389 symbol_conf.bt_stop_list, fp); 1390 } 1391 1392 /* print branch_to information */ 1393 if (PRINT_FIELD(ADDR) || 1394 ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 1395 !output[type].user_set)) { 1396 printed += fprintf(fp, " => "); 1397 printed += perf_sample__fprintf_addr(sample, thread, attr, fp); 1398 } 1399 1400 printed += perf_sample__fprintf_ipc(sample, attr, fp); 1401 1402 if (print_srcline_last) 1403 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp); 1404 1405 printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 1406 printed += fprintf(fp, "\n"); 1407 if (PRINT_FIELD(SRCCODE)) { 1408 int ret = map__fprintf_srccode(al->map, al->addr, stdout, 1409 &thread->srccode_state); 1410 if (ret) { 1411 printed += ret; 1412 printed += printf("\n"); 1413 } 1414 } 1415 return printed; 1416 } 1417 1418 static struct { 1419 u32 flags; 1420 const char *name; 1421 } sample_flags[] = { 1422 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"}, 1423 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"}, 1424 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"}, 1425 {PERF_IP_FLAG_BRANCH, "jmp"}, 1426 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"}, 1427 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"}, 1428 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"}, 1429 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"}, 1430 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"}, 1431 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"}, 1432 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"}, 1433 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"}, 1434 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"}, 1435 {0, NULL} 1436 }; 1437 1438 static const char *sample_flags_to_name(u32 flags) 1439 { 1440 int i; 1441 1442 for (i = 0; sample_flags[i].name ; i++) { 1443 if (sample_flags[i].flags == flags) 1444 return sample_flags[i].name; 1445 } 1446 1447 return NULL; 1448 } 1449 1450 static int perf_sample__fprintf_flags(u32 flags, FILE *fp) 1451 { 1452 const char *chars = PERF_IP_FLAG_CHARS; 1453 const int n = strlen(PERF_IP_FLAG_CHARS); 1454 bool in_tx = flags & PERF_IP_FLAG_IN_TX; 1455 const char *name = NULL; 1456 char str[33]; 1457 int i, pos = 0; 1458 1459 name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX); 1460 if (name) 1461 return fprintf(fp, " %-15s%4s ", name, in_tx ? "(x)" : ""); 1462 1463 if (flags & PERF_IP_FLAG_TRACE_BEGIN) { 1464 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN)); 1465 if (name) 1466 return fprintf(fp, " tr strt %-7s%4s ", name, in_tx ? "(x)" : ""); 1467 } 1468 1469 if (flags & PERF_IP_FLAG_TRACE_END) { 1470 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END)); 1471 if (name) 1472 return fprintf(fp, " tr end %-7s%4s ", name, in_tx ? "(x)" : ""); 1473 } 1474 1475 for (i = 0; i < n; i++, flags >>= 1) { 1476 if (flags & 1) 1477 str[pos++] = chars[i]; 1478 } 1479 for (; i < 32; i++, flags >>= 1) { 1480 if (flags & 1) 1481 str[pos++] = '?'; 1482 } 1483 str[pos] = 0; 1484 1485 return fprintf(fp, " %-19s ", str); 1486 } 1487 1488 struct printer_data { 1489 int line_no; 1490 bool hit_nul; 1491 bool is_printable; 1492 }; 1493 1494 static int sample__fprintf_bpf_output(enum binary_printer_ops op, 1495 unsigned int val, 1496 void *extra, FILE *fp) 1497 { 1498 unsigned char ch = (unsigned char)val; 1499 struct printer_data *printer_data = extra; 1500 int printed = 0; 1501 1502 switch (op) { 1503 case BINARY_PRINT_DATA_BEGIN: 1504 printed += fprintf(fp, "\n"); 1505 break; 1506 case BINARY_PRINT_LINE_BEGIN: 1507 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" : 1508 " "); 1509 break; 1510 case BINARY_PRINT_ADDR: 1511 printed += fprintf(fp, " %04x:", val); 1512 break; 1513 case BINARY_PRINT_NUM_DATA: 1514 printed += fprintf(fp, " %02x", val); 1515 break; 1516 case BINARY_PRINT_NUM_PAD: 1517 printed += fprintf(fp, " "); 1518 break; 1519 case BINARY_PRINT_SEP: 1520 printed += fprintf(fp, " "); 1521 break; 1522 case BINARY_PRINT_CHAR_DATA: 1523 if (printer_data->hit_nul && ch) 1524 printer_data->is_printable = false; 1525 1526 if (!isprint(ch)) { 1527 printed += fprintf(fp, "%c", '.'); 1528 1529 if (!printer_data->is_printable) 1530 break; 1531 1532 if (ch == '\0') 1533 printer_data->hit_nul = true; 1534 else 1535 printer_data->is_printable = false; 1536 } else { 1537 printed += fprintf(fp, "%c", ch); 1538 } 1539 break; 1540 case BINARY_PRINT_CHAR_PAD: 1541 printed += fprintf(fp, " "); 1542 break; 1543 case BINARY_PRINT_LINE_END: 1544 printed += fprintf(fp, "\n"); 1545 printer_data->line_no++; 1546 break; 1547 case BINARY_PRINT_DATA_END: 1548 default: 1549 break; 1550 } 1551 1552 return printed; 1553 } 1554 1555 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp) 1556 { 1557 unsigned int nr_bytes = sample->raw_size; 1558 struct printer_data printer_data = {0, false, true}; 1559 int printed = binary__fprintf(sample->raw_data, nr_bytes, 8, 1560 sample__fprintf_bpf_output, &printer_data, fp); 1561 1562 if (printer_data.is_printable && printer_data.hit_nul) 1563 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data)); 1564 1565 return printed; 1566 } 1567 1568 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp) 1569 { 1570 if (len > 0 && len < spacing) 1571 return fprintf(fp, "%*s", spacing - len, ""); 1572 1573 return 0; 1574 } 1575 1576 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp) 1577 { 1578 return perf_sample__fprintf_spacing(len, 34, fp); 1579 } 1580 1581 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp) 1582 { 1583 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample); 1584 int len; 1585 1586 if (perf_sample__bad_synth_size(sample, *data)) 1587 return 0; 1588 1589 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ", 1590 data->ip, le64_to_cpu(data->payload)); 1591 return len + perf_sample__fprintf_pt_spacing(len, fp); 1592 } 1593 1594 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp) 1595 { 1596 struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample); 1597 int len; 1598 1599 if (perf_sample__bad_synth_size(sample, *data)) 1600 return 0; 1601 1602 len = fprintf(fp, " hints: %#x extensions: %#x ", 1603 data->hints, data->extensions); 1604 return len + perf_sample__fprintf_pt_spacing(len, fp); 1605 } 1606 1607 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp) 1608 { 1609 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample); 1610 int len; 1611 1612 if (perf_sample__bad_synth_size(sample, *data)) 1613 return 0; 1614 1615 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ", 1616 data->hw, data->cstate, data->subcstate); 1617 return len + perf_sample__fprintf_pt_spacing(len, fp); 1618 } 1619 1620 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp) 1621 { 1622 struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample); 1623 int len; 1624 1625 if (perf_sample__bad_synth_size(sample, *data)) 1626 return 0; 1627 1628 len = fprintf(fp, " IP: %u ", data->ip); 1629 return len + perf_sample__fprintf_pt_spacing(len, fp); 1630 } 1631 1632 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp) 1633 { 1634 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample); 1635 int len; 1636 1637 if (perf_sample__bad_synth_size(sample, *data)) 1638 return 0; 1639 1640 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ", 1641 data->deepest_cstate, data->last_cstate, 1642 data->wake_reason); 1643 return len + perf_sample__fprintf_pt_spacing(len, fp); 1644 } 1645 1646 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp) 1647 { 1648 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample); 1649 unsigned int percent, freq; 1650 int len; 1651 1652 if (perf_sample__bad_synth_size(sample, *data)) 1653 return 0; 1654 1655 freq = (le32_to_cpu(data->freq) + 500) / 1000; 1656 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq); 1657 if (data->max_nonturbo) { 1658 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10; 1659 len += fprintf(fp, "(%3u%%) ", percent); 1660 } 1661 return len + perf_sample__fprintf_pt_spacing(len, fp); 1662 } 1663 1664 static int perf_sample__fprintf_synth(struct perf_sample *sample, 1665 struct evsel *evsel, FILE *fp) 1666 { 1667 switch (evsel->core.attr.config) { 1668 case PERF_SYNTH_INTEL_PTWRITE: 1669 return perf_sample__fprintf_synth_ptwrite(sample, fp); 1670 case PERF_SYNTH_INTEL_MWAIT: 1671 return perf_sample__fprintf_synth_mwait(sample, fp); 1672 case PERF_SYNTH_INTEL_PWRE: 1673 return perf_sample__fprintf_synth_pwre(sample, fp); 1674 case PERF_SYNTH_INTEL_EXSTOP: 1675 return perf_sample__fprintf_synth_exstop(sample, fp); 1676 case PERF_SYNTH_INTEL_PWRX: 1677 return perf_sample__fprintf_synth_pwrx(sample, fp); 1678 case PERF_SYNTH_INTEL_CBR: 1679 return perf_sample__fprintf_synth_cbr(sample, fp); 1680 default: 1681 break; 1682 } 1683 1684 return 0; 1685 } 1686 1687 struct perf_script { 1688 struct perf_tool tool; 1689 struct perf_session *session; 1690 bool show_task_events; 1691 bool show_mmap_events; 1692 bool show_switch_events; 1693 bool show_namespace_events; 1694 bool show_lost_events; 1695 bool show_round_events; 1696 bool show_bpf_events; 1697 bool show_cgroup_events; 1698 bool allocated; 1699 bool per_event_dump; 1700 bool stitch_lbr; 1701 struct evswitch evswitch; 1702 struct perf_cpu_map *cpus; 1703 struct perf_thread_map *threads; 1704 int name_width; 1705 const char *time_str; 1706 struct perf_time_interval *ptime_range; 1707 int range_size; 1708 int range_num; 1709 }; 1710 1711 static int perf_evlist__max_name_len(struct evlist *evlist) 1712 { 1713 struct evsel *evsel; 1714 int max = 0; 1715 1716 evlist__for_each_entry(evlist, evsel) { 1717 int len = strlen(perf_evsel__name(evsel)); 1718 1719 max = MAX(len, max); 1720 } 1721 1722 return max; 1723 } 1724 1725 static int data_src__fprintf(u64 data_src, FILE *fp) 1726 { 1727 struct mem_info mi = { .data_src.val = data_src }; 1728 char decode[100]; 1729 char out[100]; 1730 static int maxlen; 1731 int len; 1732 1733 perf_script__meminfo_scnprintf(decode, 100, &mi); 1734 1735 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode); 1736 if (maxlen < len) 1737 maxlen = len; 1738 1739 return fprintf(fp, "%-*s", maxlen, out); 1740 } 1741 1742 struct metric_ctx { 1743 struct perf_sample *sample; 1744 struct thread *thread; 1745 struct evsel *evsel; 1746 FILE *fp; 1747 }; 1748 1749 static void script_print_metric(struct perf_stat_config *config __maybe_unused, 1750 void *ctx, const char *color, 1751 const char *fmt, 1752 const char *unit, double val) 1753 { 1754 struct metric_ctx *mctx = ctx; 1755 1756 if (!fmt) 1757 return; 1758 perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel, 1759 PERF_RECORD_SAMPLE, mctx->fp); 1760 fputs("\tmetric: ", mctx->fp); 1761 if (color) 1762 color_fprintf(mctx->fp, color, fmt, val); 1763 else 1764 printf(fmt, val); 1765 fprintf(mctx->fp, " %s\n", unit); 1766 } 1767 1768 static void script_new_line(struct perf_stat_config *config __maybe_unused, 1769 void *ctx) 1770 { 1771 struct metric_ctx *mctx = ctx; 1772 1773 perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel, 1774 PERF_RECORD_SAMPLE, mctx->fp); 1775 fputs("\tmetric: ", mctx->fp); 1776 } 1777 1778 static void perf_sample__fprint_metric(struct perf_script *script, 1779 struct thread *thread, 1780 struct evsel *evsel, 1781 struct perf_sample *sample, 1782 FILE *fp) 1783 { 1784 struct perf_stat_output_ctx ctx = { 1785 .print_metric = script_print_metric, 1786 .new_line = script_new_line, 1787 .ctx = &(struct metric_ctx) { 1788 .sample = sample, 1789 .thread = thread, 1790 .evsel = evsel, 1791 .fp = fp, 1792 }, 1793 .force_header = false, 1794 }; 1795 struct evsel *ev2; 1796 u64 val; 1797 1798 if (!evsel->stats) 1799 perf_evlist__alloc_stats(script->session->evlist, false); 1800 if (evsel_script(evsel->leader)->gnum++ == 0) 1801 perf_stat__reset_shadow_stats(); 1802 val = sample->period * evsel->scale; 1803 perf_stat__update_shadow_stats(evsel, 1804 val, 1805 sample->cpu, 1806 &rt_stat); 1807 evsel_script(evsel)->val = val; 1808 if (evsel_script(evsel->leader)->gnum == evsel->leader->core.nr_members) { 1809 for_each_group_member (ev2, evsel->leader) { 1810 perf_stat__print_shadow_stats(&stat_config, ev2, 1811 evsel_script(ev2)->val, 1812 sample->cpu, 1813 &ctx, 1814 NULL, 1815 &rt_stat); 1816 } 1817 evsel_script(evsel->leader)->gnum = 0; 1818 } 1819 } 1820 1821 static bool show_event(struct perf_sample *sample, 1822 struct evsel *evsel, 1823 struct thread *thread, 1824 struct addr_location *al) 1825 { 1826 int depth = thread_stack__depth(thread, sample->cpu); 1827 1828 if (!symbol_conf.graph_function) 1829 return true; 1830 1831 if (thread->filter) { 1832 if (depth <= thread->filter_entry_depth) { 1833 thread->filter = false; 1834 return false; 1835 } 1836 return true; 1837 } else { 1838 const char *s = symbol_conf.graph_function; 1839 u64 ip; 1840 const char *name = resolve_branch_sym(sample, evsel, thread, al, 1841 &ip); 1842 unsigned nlen; 1843 1844 if (!name) 1845 return false; 1846 nlen = strlen(name); 1847 while (*s) { 1848 unsigned len = strcspn(s, ","); 1849 if (nlen == len && !strncmp(name, s, len)) { 1850 thread->filter = true; 1851 thread->filter_entry_depth = depth; 1852 return true; 1853 } 1854 s += len; 1855 if (*s == ',') 1856 s++; 1857 } 1858 return false; 1859 } 1860 } 1861 1862 static void process_event(struct perf_script *script, 1863 struct perf_sample *sample, struct evsel *evsel, 1864 struct addr_location *al, 1865 struct machine *machine) 1866 { 1867 struct thread *thread = al->thread; 1868 struct perf_event_attr *attr = &evsel->core.attr; 1869 unsigned int type = output_type(attr->type); 1870 struct evsel_script *es = evsel->priv; 1871 FILE *fp = es->fp; 1872 1873 if (output[type].fields == 0) 1874 return; 1875 1876 if (!show_event(sample, evsel, thread, al)) 1877 return; 1878 1879 if (evswitch__discard(&script->evswitch, evsel)) 1880 return; 1881 1882 ++es->samples; 1883 1884 perf_sample__fprintf_start(sample, thread, evsel, 1885 PERF_RECORD_SAMPLE, fp); 1886 1887 if (PRINT_FIELD(PERIOD)) 1888 fprintf(fp, "%10" PRIu64 " ", sample->period); 1889 1890 if (PRINT_FIELD(EVNAME)) { 1891 const char *evname = perf_evsel__name(evsel); 1892 1893 if (!script->name_width) 1894 script->name_width = perf_evlist__max_name_len(script->session->evlist); 1895 1896 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]"); 1897 } 1898 1899 if (print_flags) 1900 perf_sample__fprintf_flags(sample->flags, fp); 1901 1902 if (is_bts_event(attr)) { 1903 perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp); 1904 return; 1905 } 1906 1907 if (PRINT_FIELD(TRACE) && sample->raw_data) { 1908 event_format__fprintf(evsel->tp_format, sample->cpu, 1909 sample->raw_data, sample->raw_size, fp); 1910 } 1911 1912 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH)) 1913 perf_sample__fprintf_synth(sample, evsel, fp); 1914 1915 if (PRINT_FIELD(ADDR)) 1916 perf_sample__fprintf_addr(sample, thread, attr, fp); 1917 1918 if (PRINT_FIELD(DATA_SRC)) 1919 data_src__fprintf(sample->data_src, fp); 1920 1921 if (PRINT_FIELD(WEIGHT)) 1922 fprintf(fp, "%16" PRIu64, sample->weight); 1923 1924 if (PRINT_FIELD(IP)) { 1925 struct callchain_cursor *cursor = NULL; 1926 1927 if (script->stitch_lbr) 1928 al->thread->lbr_stitch_enable = true; 1929 1930 if (symbol_conf.use_callchain && sample->callchain && 1931 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 1932 sample, NULL, NULL, scripting_max_stack) == 0) 1933 cursor = &callchain_cursor; 1934 1935 fputc(cursor ? '\n' : ' ', fp); 1936 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, 1937 symbol_conf.bt_stop_list, fp); 1938 } 1939 1940 if (PRINT_FIELD(IREGS)) 1941 perf_sample__fprintf_iregs(sample, attr, fp); 1942 1943 if (PRINT_FIELD(UREGS)) 1944 perf_sample__fprintf_uregs(sample, attr, fp); 1945 1946 if (PRINT_FIELD(BRSTACK)) 1947 perf_sample__fprintf_brstack(sample, thread, attr, fp); 1948 else if (PRINT_FIELD(BRSTACKSYM)) 1949 perf_sample__fprintf_brstacksym(sample, thread, attr, fp); 1950 else if (PRINT_FIELD(BRSTACKOFF)) 1951 perf_sample__fprintf_brstackoff(sample, thread, attr, fp); 1952 1953 if (perf_evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT)) 1954 perf_sample__fprintf_bpf_output(sample, fp); 1955 perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 1956 1957 if (PRINT_FIELD(PHYS_ADDR)) 1958 fprintf(fp, "%16" PRIx64, sample->phys_addr); 1959 1960 perf_sample__fprintf_ipc(sample, attr, fp); 1961 1962 fprintf(fp, "\n"); 1963 1964 if (PRINT_FIELD(SRCCODE)) { 1965 if (map__fprintf_srccode(al->map, al->addr, stdout, 1966 &thread->srccode_state)) 1967 printf("\n"); 1968 } 1969 1970 if (PRINT_FIELD(METRIC)) 1971 perf_sample__fprint_metric(script, thread, evsel, sample, fp); 1972 1973 if (verbose) 1974 fflush(fp); 1975 } 1976 1977 static struct scripting_ops *scripting_ops; 1978 1979 static void __process_stat(struct evsel *counter, u64 tstamp) 1980 { 1981 int nthreads = perf_thread_map__nr(counter->core.threads); 1982 int ncpus = perf_evsel__nr_cpus(counter); 1983 int cpu, thread; 1984 static int header_printed; 1985 1986 if (counter->core.system_wide) 1987 nthreads = 1; 1988 1989 if (!header_printed) { 1990 printf("%3s %8s %15s %15s %15s %15s %s\n", 1991 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT"); 1992 header_printed = 1; 1993 } 1994 1995 for (thread = 0; thread < nthreads; thread++) { 1996 for (cpu = 0; cpu < ncpus; cpu++) { 1997 struct perf_counts_values *counts; 1998 1999 counts = perf_counts(counter->counts, cpu, thread); 2000 2001 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n", 2002 counter->core.cpus->map[cpu], 2003 perf_thread_map__pid(counter->core.threads, thread), 2004 counts->val, 2005 counts->ena, 2006 counts->run, 2007 tstamp, 2008 perf_evsel__name(counter)); 2009 } 2010 } 2011 } 2012 2013 static void process_stat(struct evsel *counter, u64 tstamp) 2014 { 2015 if (scripting_ops && scripting_ops->process_stat) 2016 scripting_ops->process_stat(&stat_config, counter, tstamp); 2017 else 2018 __process_stat(counter, tstamp); 2019 } 2020 2021 static void process_stat_interval(u64 tstamp) 2022 { 2023 if (scripting_ops && scripting_ops->process_stat_interval) 2024 scripting_ops->process_stat_interval(tstamp); 2025 } 2026 2027 static void setup_scripting(void) 2028 { 2029 setup_perl_scripting(); 2030 setup_python_scripting(); 2031 } 2032 2033 static int flush_scripting(void) 2034 { 2035 return scripting_ops ? scripting_ops->flush_script() : 0; 2036 } 2037 2038 static int cleanup_scripting(void) 2039 { 2040 pr_debug("\nperf script stopped\n"); 2041 2042 return scripting_ops ? scripting_ops->stop_script() : 0; 2043 } 2044 2045 static bool filter_cpu(struct perf_sample *sample) 2046 { 2047 if (cpu_list && sample->cpu != (u32)-1) 2048 return !test_bit(sample->cpu, cpu_bitmap); 2049 return false; 2050 } 2051 2052 static int process_sample_event(struct perf_tool *tool, 2053 union perf_event *event, 2054 struct perf_sample *sample, 2055 struct evsel *evsel, 2056 struct machine *machine) 2057 { 2058 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2059 struct addr_location al; 2060 2061 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num, 2062 sample->time)) { 2063 return 0; 2064 } 2065 2066 if (debug_mode) { 2067 if (sample->time < last_timestamp) { 2068 pr_err("Samples misordered, previous: %" PRIu64 2069 " this: %" PRIu64 "\n", last_timestamp, 2070 sample->time); 2071 nr_unordered++; 2072 } 2073 last_timestamp = sample->time; 2074 return 0; 2075 } 2076 2077 if (machine__resolve(machine, &al, sample) < 0) { 2078 pr_err("problem processing %d event, skipping it.\n", 2079 event->header.type); 2080 return -1; 2081 } 2082 2083 if (al.filtered) 2084 goto out_put; 2085 2086 if (filter_cpu(sample)) 2087 goto out_put; 2088 2089 if (scripting_ops) 2090 scripting_ops->process_event(event, sample, evsel, &al); 2091 else 2092 process_event(scr, sample, evsel, &al, machine); 2093 2094 out_put: 2095 addr_location__put(&al); 2096 return 0; 2097 } 2098 2099 static int process_attr(struct perf_tool *tool, union perf_event *event, 2100 struct evlist **pevlist) 2101 { 2102 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2103 struct evlist *evlist; 2104 struct evsel *evsel, *pos; 2105 int err; 2106 static struct evsel_script *es; 2107 2108 err = perf_event__process_attr(tool, event, pevlist); 2109 if (err) 2110 return err; 2111 2112 evlist = *pevlist; 2113 evsel = evlist__last(*pevlist); 2114 2115 if (!evsel->priv) { 2116 if (scr->per_event_dump) { 2117 evsel->priv = perf_evsel_script__new(evsel, 2118 scr->session->data); 2119 } else { 2120 es = zalloc(sizeof(*es)); 2121 if (!es) 2122 return -ENOMEM; 2123 es->fp = stdout; 2124 evsel->priv = es; 2125 } 2126 } 2127 2128 if (evsel->core.attr.type >= PERF_TYPE_MAX && 2129 evsel->core.attr.type != PERF_TYPE_SYNTH) 2130 return 0; 2131 2132 evlist__for_each_entry(evlist, pos) { 2133 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel) 2134 return 0; 2135 } 2136 2137 set_print_ip_opts(&evsel->core.attr); 2138 2139 if (evsel->core.attr.sample_type) 2140 err = perf_evsel__check_attr(evsel, scr->session); 2141 2142 return err; 2143 } 2144 2145 static int print_event_with_time(struct perf_tool *tool, 2146 union perf_event *event, 2147 struct perf_sample *sample, 2148 struct machine *machine, 2149 pid_t pid, pid_t tid, u64 timestamp) 2150 { 2151 struct perf_script *script = container_of(tool, struct perf_script, tool); 2152 struct perf_session *session = script->session; 2153 struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2154 struct thread *thread = NULL; 2155 2156 if (evsel && !evsel->core.attr.sample_id_all) { 2157 sample->cpu = 0; 2158 sample->time = timestamp; 2159 sample->pid = pid; 2160 sample->tid = tid; 2161 } 2162 2163 if (filter_cpu(sample)) 2164 return 0; 2165 2166 if (tid != -1) 2167 thread = machine__findnew_thread(machine, pid, tid); 2168 2169 if (thread && evsel) { 2170 perf_sample__fprintf_start(sample, thread, evsel, 2171 event->header.type, stdout); 2172 } 2173 2174 perf_event__fprintf(event, stdout); 2175 2176 thread__put(thread); 2177 2178 return 0; 2179 } 2180 2181 static int print_event(struct perf_tool *tool, union perf_event *event, 2182 struct perf_sample *sample, struct machine *machine, 2183 pid_t pid, pid_t tid) 2184 { 2185 return print_event_with_time(tool, event, sample, machine, pid, tid, 0); 2186 } 2187 2188 static int process_comm_event(struct perf_tool *tool, 2189 union perf_event *event, 2190 struct perf_sample *sample, 2191 struct machine *machine) 2192 { 2193 if (perf_event__process_comm(tool, event, sample, machine) < 0) 2194 return -1; 2195 2196 return print_event(tool, event, sample, machine, event->comm.pid, 2197 event->comm.tid); 2198 } 2199 2200 static int process_namespaces_event(struct perf_tool *tool, 2201 union perf_event *event, 2202 struct perf_sample *sample, 2203 struct machine *machine) 2204 { 2205 if (perf_event__process_namespaces(tool, event, sample, machine) < 0) 2206 return -1; 2207 2208 return print_event(tool, event, sample, machine, event->namespaces.pid, 2209 event->namespaces.tid); 2210 } 2211 2212 static int process_cgroup_event(struct perf_tool *tool, 2213 union perf_event *event, 2214 struct perf_sample *sample, 2215 struct machine *machine) 2216 { 2217 if (perf_event__process_cgroup(tool, event, sample, machine) < 0) 2218 return -1; 2219 2220 return print_event(tool, event, sample, machine, sample->pid, 2221 sample->tid); 2222 } 2223 2224 static int process_fork_event(struct perf_tool *tool, 2225 union perf_event *event, 2226 struct perf_sample *sample, 2227 struct machine *machine) 2228 { 2229 if (perf_event__process_fork(tool, event, sample, machine) < 0) 2230 return -1; 2231 2232 return print_event_with_time(tool, event, sample, machine, 2233 event->fork.pid, event->fork.tid, 2234 event->fork.time); 2235 } 2236 static int process_exit_event(struct perf_tool *tool, 2237 union perf_event *event, 2238 struct perf_sample *sample, 2239 struct machine *machine) 2240 { 2241 /* Print before 'exit' deletes anything */ 2242 if (print_event_with_time(tool, event, sample, machine, event->fork.pid, 2243 event->fork.tid, event->fork.time)) 2244 return -1; 2245 2246 return perf_event__process_exit(tool, event, sample, machine); 2247 } 2248 2249 static int process_mmap_event(struct perf_tool *tool, 2250 union perf_event *event, 2251 struct perf_sample *sample, 2252 struct machine *machine) 2253 { 2254 if (perf_event__process_mmap(tool, event, sample, machine) < 0) 2255 return -1; 2256 2257 return print_event(tool, event, sample, machine, event->mmap.pid, 2258 event->mmap.tid); 2259 } 2260 2261 static int process_mmap2_event(struct perf_tool *tool, 2262 union perf_event *event, 2263 struct perf_sample *sample, 2264 struct machine *machine) 2265 { 2266 if (perf_event__process_mmap2(tool, event, sample, machine) < 0) 2267 return -1; 2268 2269 return print_event(tool, event, sample, machine, event->mmap2.pid, 2270 event->mmap2.tid); 2271 } 2272 2273 static int process_switch_event(struct perf_tool *tool, 2274 union perf_event *event, 2275 struct perf_sample *sample, 2276 struct machine *machine) 2277 { 2278 struct perf_script *script = container_of(tool, struct perf_script, tool); 2279 2280 if (perf_event__process_switch(tool, event, sample, machine) < 0) 2281 return -1; 2282 2283 if (scripting_ops && scripting_ops->process_switch) 2284 scripting_ops->process_switch(event, sample, machine); 2285 2286 if (!script->show_switch_events) 2287 return 0; 2288 2289 return print_event(tool, event, sample, machine, sample->pid, 2290 sample->tid); 2291 } 2292 2293 static int 2294 process_lost_event(struct perf_tool *tool, 2295 union perf_event *event, 2296 struct perf_sample *sample, 2297 struct machine *machine) 2298 { 2299 return print_event(tool, event, sample, machine, sample->pid, 2300 sample->tid); 2301 } 2302 2303 static int 2304 process_finished_round_event(struct perf_tool *tool __maybe_unused, 2305 union perf_event *event, 2306 struct ordered_events *oe __maybe_unused) 2307 2308 { 2309 perf_event__fprintf(event, stdout); 2310 return 0; 2311 } 2312 2313 static int 2314 process_bpf_events(struct perf_tool *tool __maybe_unused, 2315 union perf_event *event, 2316 struct perf_sample *sample, 2317 struct machine *machine) 2318 { 2319 if (machine__process_ksymbol(machine, event, sample) < 0) 2320 return -1; 2321 2322 return print_event(tool, event, sample, machine, sample->pid, 2323 sample->tid); 2324 } 2325 2326 static void sig_handler(int sig __maybe_unused) 2327 { 2328 session_done = 1; 2329 } 2330 2331 static void perf_script__fclose_per_event_dump(struct perf_script *script) 2332 { 2333 struct evlist *evlist = script->session->evlist; 2334 struct evsel *evsel; 2335 2336 evlist__for_each_entry(evlist, evsel) { 2337 if (!evsel->priv) 2338 break; 2339 perf_evsel_script__delete(evsel->priv); 2340 evsel->priv = NULL; 2341 } 2342 } 2343 2344 static int perf_script__fopen_per_event_dump(struct perf_script *script) 2345 { 2346 struct evsel *evsel; 2347 2348 evlist__for_each_entry(script->session->evlist, evsel) { 2349 /* 2350 * Already setup? I.e. we may be called twice in cases like 2351 * Intel PT, one for the intel_pt// and dummy events, then 2352 * for the evsels syntheized from the auxtrace info. 2353 * 2354 * Ses perf_script__process_auxtrace_info. 2355 */ 2356 if (evsel->priv != NULL) 2357 continue; 2358 2359 evsel->priv = perf_evsel_script__new(evsel, script->session->data); 2360 if (evsel->priv == NULL) 2361 goto out_err_fclose; 2362 } 2363 2364 return 0; 2365 2366 out_err_fclose: 2367 perf_script__fclose_per_event_dump(script); 2368 return -1; 2369 } 2370 2371 static int perf_script__setup_per_event_dump(struct perf_script *script) 2372 { 2373 struct evsel *evsel; 2374 static struct evsel_script es_stdout; 2375 2376 if (script->per_event_dump) 2377 return perf_script__fopen_per_event_dump(script); 2378 2379 es_stdout.fp = stdout; 2380 2381 evlist__for_each_entry(script->session->evlist, evsel) 2382 evsel->priv = &es_stdout; 2383 2384 return 0; 2385 } 2386 2387 static void perf_script__exit_per_event_dump_stats(struct perf_script *script) 2388 { 2389 struct evsel *evsel; 2390 2391 evlist__for_each_entry(script->session->evlist, evsel) { 2392 struct evsel_script *es = evsel->priv; 2393 2394 perf_evsel_script__fprintf(es, stdout); 2395 perf_evsel_script__delete(es); 2396 evsel->priv = NULL; 2397 } 2398 } 2399 2400 static int __cmd_script(struct perf_script *script) 2401 { 2402 int ret; 2403 2404 signal(SIGINT, sig_handler); 2405 2406 perf_stat__init_shadow_stats(); 2407 2408 /* override event processing functions */ 2409 if (script->show_task_events) { 2410 script->tool.comm = process_comm_event; 2411 script->tool.fork = process_fork_event; 2412 script->tool.exit = process_exit_event; 2413 } 2414 if (script->show_mmap_events) { 2415 script->tool.mmap = process_mmap_event; 2416 script->tool.mmap2 = process_mmap2_event; 2417 } 2418 if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch)) 2419 script->tool.context_switch = process_switch_event; 2420 if (script->show_namespace_events) 2421 script->tool.namespaces = process_namespaces_event; 2422 if (script->show_cgroup_events) 2423 script->tool.cgroup = process_cgroup_event; 2424 if (script->show_lost_events) 2425 script->tool.lost = process_lost_event; 2426 if (script->show_round_events) { 2427 script->tool.ordered_events = false; 2428 script->tool.finished_round = process_finished_round_event; 2429 } 2430 if (script->show_bpf_events) { 2431 script->tool.ksymbol = process_bpf_events; 2432 script->tool.bpf = process_bpf_events; 2433 } 2434 2435 if (perf_script__setup_per_event_dump(script)) { 2436 pr_err("Couldn't create the per event dump files\n"); 2437 return -1; 2438 } 2439 2440 ret = perf_session__process_events(script->session); 2441 2442 if (script->per_event_dump) 2443 perf_script__exit_per_event_dump_stats(script); 2444 2445 if (debug_mode) 2446 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); 2447 2448 return ret; 2449 } 2450 2451 struct script_spec { 2452 struct list_head node; 2453 struct scripting_ops *ops; 2454 char spec[0]; 2455 }; 2456 2457 static LIST_HEAD(script_specs); 2458 2459 static struct script_spec *script_spec__new(const char *spec, 2460 struct scripting_ops *ops) 2461 { 2462 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); 2463 2464 if (s != NULL) { 2465 strcpy(s->spec, spec); 2466 s->ops = ops; 2467 } 2468 2469 return s; 2470 } 2471 2472 static void script_spec__add(struct script_spec *s) 2473 { 2474 list_add_tail(&s->node, &script_specs); 2475 } 2476 2477 static struct script_spec *script_spec__find(const char *spec) 2478 { 2479 struct script_spec *s; 2480 2481 list_for_each_entry(s, &script_specs, node) 2482 if (strcasecmp(s->spec, spec) == 0) 2483 return s; 2484 return NULL; 2485 } 2486 2487 int script_spec_register(const char *spec, struct scripting_ops *ops) 2488 { 2489 struct script_spec *s; 2490 2491 s = script_spec__find(spec); 2492 if (s) 2493 return -1; 2494 2495 s = script_spec__new(spec, ops); 2496 if (!s) 2497 return -1; 2498 else 2499 script_spec__add(s); 2500 2501 return 0; 2502 } 2503 2504 static struct scripting_ops *script_spec__lookup(const char *spec) 2505 { 2506 struct script_spec *s = script_spec__find(spec); 2507 if (!s) 2508 return NULL; 2509 2510 return s->ops; 2511 } 2512 2513 static void list_available_languages(void) 2514 { 2515 struct script_spec *s; 2516 2517 fprintf(stderr, "\n"); 2518 fprintf(stderr, "Scripting language extensions (used in " 2519 "perf script -s [spec:]script.[spec]):\n\n"); 2520 2521 list_for_each_entry(s, &script_specs, node) 2522 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); 2523 2524 fprintf(stderr, "\n"); 2525 } 2526 2527 static int parse_scriptname(const struct option *opt __maybe_unused, 2528 const char *str, int unset __maybe_unused) 2529 { 2530 char spec[PATH_MAX]; 2531 const char *script, *ext; 2532 int len; 2533 2534 if (strcmp(str, "lang") == 0) { 2535 list_available_languages(); 2536 exit(0); 2537 } 2538 2539 script = strchr(str, ':'); 2540 if (script) { 2541 len = script - str; 2542 if (len >= PATH_MAX) { 2543 fprintf(stderr, "invalid language specifier"); 2544 return -1; 2545 } 2546 strncpy(spec, str, len); 2547 spec[len] = '\0'; 2548 scripting_ops = script_spec__lookup(spec); 2549 if (!scripting_ops) { 2550 fprintf(stderr, "invalid language specifier"); 2551 return -1; 2552 } 2553 script++; 2554 } else { 2555 script = str; 2556 ext = strrchr(script, '.'); 2557 if (!ext) { 2558 fprintf(stderr, "invalid script extension"); 2559 return -1; 2560 } 2561 scripting_ops = script_spec__lookup(++ext); 2562 if (!scripting_ops) { 2563 fprintf(stderr, "invalid script extension"); 2564 return -1; 2565 } 2566 } 2567 2568 script_name = strdup(script); 2569 2570 return 0; 2571 } 2572 2573 static int parse_output_fields(const struct option *opt __maybe_unused, 2574 const char *arg, int unset __maybe_unused) 2575 { 2576 char *tok, *strtok_saveptr = NULL; 2577 int i, imax = ARRAY_SIZE(all_output_options); 2578 int j; 2579 int rc = 0; 2580 char *str = strdup(arg); 2581 int type = -1; 2582 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT; 2583 2584 if (!str) 2585 return -ENOMEM; 2586 2587 /* first word can state for which event type the user is specifying 2588 * the fields. If no type exists, the specified fields apply to all 2589 * event types found in the file minus the invalid fields for a type. 2590 */ 2591 tok = strchr(str, ':'); 2592 if (tok) { 2593 *tok = '\0'; 2594 tok++; 2595 if (!strcmp(str, "hw")) 2596 type = PERF_TYPE_HARDWARE; 2597 else if (!strcmp(str, "sw")) 2598 type = PERF_TYPE_SOFTWARE; 2599 else if (!strcmp(str, "trace")) 2600 type = PERF_TYPE_TRACEPOINT; 2601 else if (!strcmp(str, "raw")) 2602 type = PERF_TYPE_RAW; 2603 else if (!strcmp(str, "break")) 2604 type = PERF_TYPE_BREAKPOINT; 2605 else if (!strcmp(str, "synth")) 2606 type = OUTPUT_TYPE_SYNTH; 2607 else { 2608 fprintf(stderr, "Invalid event type in field string.\n"); 2609 rc = -EINVAL; 2610 goto out; 2611 } 2612 2613 if (output[type].user_set) 2614 pr_warning("Overriding previous field request for %s events.\n", 2615 event_type(type)); 2616 2617 /* Don't override defaults for +- */ 2618 if (strchr(tok, '+') || strchr(tok, '-')) 2619 goto parse; 2620 2621 output[type].fields = 0; 2622 output[type].user_set = true; 2623 output[type].wildcard_set = false; 2624 2625 } else { 2626 tok = str; 2627 if (strlen(str) == 0) { 2628 fprintf(stderr, 2629 "Cannot set fields to 'none' for all event types.\n"); 2630 rc = -EINVAL; 2631 goto out; 2632 } 2633 2634 /* Don't override defaults for +- */ 2635 if (strchr(str, '+') || strchr(str, '-')) 2636 goto parse; 2637 2638 if (output_set_by_user()) 2639 pr_warning("Overriding previous field request for all events.\n"); 2640 2641 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 2642 output[j].fields = 0; 2643 output[j].user_set = true; 2644 output[j].wildcard_set = true; 2645 } 2646 } 2647 2648 parse: 2649 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) { 2650 if (*tok == '+') { 2651 if (change == SET) 2652 goto out_badmix; 2653 change = ADD; 2654 tok++; 2655 } else if (*tok == '-') { 2656 if (change == SET) 2657 goto out_badmix; 2658 change = REMOVE; 2659 tok++; 2660 } else { 2661 if (change != SET && change != DEFAULT) 2662 goto out_badmix; 2663 change = SET; 2664 } 2665 2666 for (i = 0; i < imax; ++i) { 2667 if (strcmp(tok, all_output_options[i].str) == 0) 2668 break; 2669 } 2670 if (i == imax && strcmp(tok, "flags") == 0) { 2671 print_flags = change == REMOVE ? false : true; 2672 continue; 2673 } 2674 if (i == imax) { 2675 fprintf(stderr, "Invalid field requested.\n"); 2676 rc = -EINVAL; 2677 goto out; 2678 } 2679 2680 if (type == -1) { 2681 /* add user option to all events types for 2682 * which it is valid 2683 */ 2684 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 2685 if (output[j].invalid_fields & all_output_options[i].field) { 2686 pr_warning("\'%s\' not valid for %s events. Ignoring.\n", 2687 all_output_options[i].str, event_type(j)); 2688 } else { 2689 if (change == REMOVE) { 2690 output[j].fields &= ~all_output_options[i].field; 2691 output[j].user_set_fields &= ~all_output_options[i].field; 2692 } else { 2693 output[j].fields |= all_output_options[i].field; 2694 output[j].user_set_fields |= all_output_options[i].field; 2695 } 2696 output[j].user_set = true; 2697 output[j].wildcard_set = true; 2698 } 2699 } 2700 } else { 2701 if (output[type].invalid_fields & all_output_options[i].field) { 2702 fprintf(stderr, "\'%s\' not valid for %s events.\n", 2703 all_output_options[i].str, event_type(type)); 2704 2705 rc = -EINVAL; 2706 goto out; 2707 } 2708 if (change == REMOVE) 2709 output[type].fields &= ~all_output_options[i].field; 2710 else 2711 output[type].fields |= all_output_options[i].field; 2712 output[type].user_set = true; 2713 output[type].wildcard_set = true; 2714 } 2715 } 2716 2717 if (type >= 0) { 2718 if (output[type].fields == 0) { 2719 pr_debug("No fields requested for %s type. " 2720 "Events will not be displayed.\n", event_type(type)); 2721 } 2722 } 2723 goto out; 2724 2725 out_badmix: 2726 fprintf(stderr, "Cannot mix +-field with overridden fields\n"); 2727 rc = -EINVAL; 2728 out: 2729 free(str); 2730 return rc; 2731 } 2732 2733 #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \ 2734 while ((lang_dirent = readdir(scripts_dir)) != NULL) \ 2735 if ((lang_dirent->d_type == DT_DIR || \ 2736 (lang_dirent->d_type == DT_UNKNOWN && \ 2737 is_directory(scripts_path, lang_dirent))) && \ 2738 (strcmp(lang_dirent->d_name, ".")) && \ 2739 (strcmp(lang_dirent->d_name, ".."))) 2740 2741 #define for_each_script(lang_path, lang_dir, script_dirent) \ 2742 while ((script_dirent = readdir(lang_dir)) != NULL) \ 2743 if (script_dirent->d_type != DT_DIR && \ 2744 (script_dirent->d_type != DT_UNKNOWN || \ 2745 !is_directory(lang_path, script_dirent))) 2746 2747 2748 #define RECORD_SUFFIX "-record" 2749 #define REPORT_SUFFIX "-report" 2750 2751 struct script_desc { 2752 struct list_head node; 2753 char *name; 2754 char *half_liner; 2755 char *args; 2756 }; 2757 2758 static LIST_HEAD(script_descs); 2759 2760 static struct script_desc *script_desc__new(const char *name) 2761 { 2762 struct script_desc *s = zalloc(sizeof(*s)); 2763 2764 if (s != NULL && name) 2765 s->name = strdup(name); 2766 2767 return s; 2768 } 2769 2770 static void script_desc__delete(struct script_desc *s) 2771 { 2772 zfree(&s->name); 2773 zfree(&s->half_liner); 2774 zfree(&s->args); 2775 free(s); 2776 } 2777 2778 static void script_desc__add(struct script_desc *s) 2779 { 2780 list_add_tail(&s->node, &script_descs); 2781 } 2782 2783 static struct script_desc *script_desc__find(const char *name) 2784 { 2785 struct script_desc *s; 2786 2787 list_for_each_entry(s, &script_descs, node) 2788 if (strcasecmp(s->name, name) == 0) 2789 return s; 2790 return NULL; 2791 } 2792 2793 static struct script_desc *script_desc__findnew(const char *name) 2794 { 2795 struct script_desc *s = script_desc__find(name); 2796 2797 if (s) 2798 return s; 2799 2800 s = script_desc__new(name); 2801 if (!s) 2802 return NULL; 2803 2804 script_desc__add(s); 2805 2806 return s; 2807 } 2808 2809 static const char *ends_with(const char *str, const char *suffix) 2810 { 2811 size_t suffix_len = strlen(suffix); 2812 const char *p = str; 2813 2814 if (strlen(str) > suffix_len) { 2815 p = str + strlen(str) - suffix_len; 2816 if (!strncmp(p, suffix, suffix_len)) 2817 return p; 2818 } 2819 2820 return NULL; 2821 } 2822 2823 static int read_script_info(struct script_desc *desc, const char *filename) 2824 { 2825 char line[BUFSIZ], *p; 2826 FILE *fp; 2827 2828 fp = fopen(filename, "r"); 2829 if (!fp) 2830 return -1; 2831 2832 while (fgets(line, sizeof(line), fp)) { 2833 p = skip_spaces(line); 2834 if (strlen(p) == 0) 2835 continue; 2836 if (*p != '#') 2837 continue; 2838 p++; 2839 if (strlen(p) && *p == '!') 2840 continue; 2841 2842 p = skip_spaces(p); 2843 if (strlen(p) && p[strlen(p) - 1] == '\n') 2844 p[strlen(p) - 1] = '\0'; 2845 2846 if (!strncmp(p, "description:", strlen("description:"))) { 2847 p += strlen("description:"); 2848 desc->half_liner = strdup(skip_spaces(p)); 2849 continue; 2850 } 2851 2852 if (!strncmp(p, "args:", strlen("args:"))) { 2853 p += strlen("args:"); 2854 desc->args = strdup(skip_spaces(p)); 2855 continue; 2856 } 2857 } 2858 2859 fclose(fp); 2860 2861 return 0; 2862 } 2863 2864 static char *get_script_root(struct dirent *script_dirent, const char *suffix) 2865 { 2866 char *script_root, *str; 2867 2868 script_root = strdup(script_dirent->d_name); 2869 if (!script_root) 2870 return NULL; 2871 2872 str = (char *)ends_with(script_root, suffix); 2873 if (!str) { 2874 free(script_root); 2875 return NULL; 2876 } 2877 2878 *str = '\0'; 2879 return script_root; 2880 } 2881 2882 static int list_available_scripts(const struct option *opt __maybe_unused, 2883 const char *s __maybe_unused, 2884 int unset __maybe_unused) 2885 { 2886 struct dirent *script_dirent, *lang_dirent; 2887 char scripts_path[MAXPATHLEN]; 2888 DIR *scripts_dir, *lang_dir; 2889 char script_path[MAXPATHLEN]; 2890 char lang_path[MAXPATHLEN]; 2891 struct script_desc *desc; 2892 char first_half[BUFSIZ]; 2893 char *script_root; 2894 2895 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 2896 2897 scripts_dir = opendir(scripts_path); 2898 if (!scripts_dir) { 2899 fprintf(stdout, 2900 "open(%s) failed.\n" 2901 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n", 2902 scripts_path); 2903 exit(-1); 2904 } 2905 2906 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 2907 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 2908 lang_dirent->d_name); 2909 lang_dir = opendir(lang_path); 2910 if (!lang_dir) 2911 continue; 2912 2913 for_each_script(lang_path, lang_dir, script_dirent) { 2914 script_root = get_script_root(script_dirent, REPORT_SUFFIX); 2915 if (script_root) { 2916 desc = script_desc__findnew(script_root); 2917 scnprintf(script_path, MAXPATHLEN, "%s/%s", 2918 lang_path, script_dirent->d_name); 2919 read_script_info(desc, script_path); 2920 free(script_root); 2921 } 2922 } 2923 } 2924 2925 fprintf(stdout, "List of available trace scripts:\n"); 2926 list_for_each_entry(desc, &script_descs, node) { 2927 sprintf(first_half, "%s %s", desc->name, 2928 desc->args ? desc->args : ""); 2929 fprintf(stdout, " %-36s %s\n", first_half, 2930 desc->half_liner ? desc->half_liner : ""); 2931 } 2932 2933 exit(0); 2934 } 2935 2936 /* 2937 * Some scripts specify the required events in their "xxx-record" file, 2938 * this function will check if the events in perf.data match those 2939 * mentioned in the "xxx-record". 2940 * 2941 * Fixme: All existing "xxx-record" are all in good formats "-e event ", 2942 * which is covered well now. And new parsing code should be added to 2943 * cover the future complexing formats like event groups etc. 2944 */ 2945 static int check_ev_match(char *dir_name, char *scriptname, 2946 struct perf_session *session) 2947 { 2948 char filename[MAXPATHLEN], evname[128]; 2949 char line[BUFSIZ], *p; 2950 struct evsel *pos; 2951 int match, len; 2952 FILE *fp; 2953 2954 scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname); 2955 2956 fp = fopen(filename, "r"); 2957 if (!fp) 2958 return -1; 2959 2960 while (fgets(line, sizeof(line), fp)) { 2961 p = skip_spaces(line); 2962 if (*p == '#') 2963 continue; 2964 2965 while (strlen(p)) { 2966 p = strstr(p, "-e"); 2967 if (!p) 2968 break; 2969 2970 p += 2; 2971 p = skip_spaces(p); 2972 len = strcspn(p, " \t"); 2973 if (!len) 2974 break; 2975 2976 snprintf(evname, len + 1, "%s", p); 2977 2978 match = 0; 2979 evlist__for_each_entry(session->evlist, pos) { 2980 if (!strcmp(perf_evsel__name(pos), evname)) { 2981 match = 1; 2982 break; 2983 } 2984 } 2985 2986 if (!match) { 2987 fclose(fp); 2988 return -1; 2989 } 2990 } 2991 } 2992 2993 fclose(fp); 2994 return 0; 2995 } 2996 2997 /* 2998 * Return -1 if none is found, otherwise the actual scripts number. 2999 * 3000 * Currently the only user of this function is the script browser, which 3001 * will list all statically runnable scripts, select one, execute it and 3002 * show the output in a perf browser. 3003 */ 3004 int find_scripts(char **scripts_array, char **scripts_path_array, int num, 3005 int pathlen) 3006 { 3007 struct dirent *script_dirent, *lang_dirent; 3008 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; 3009 DIR *scripts_dir, *lang_dir; 3010 struct perf_session *session; 3011 struct perf_data data = { 3012 .path = input_name, 3013 .mode = PERF_DATA_MODE_READ, 3014 }; 3015 char *temp; 3016 int i = 0; 3017 3018 session = perf_session__new(&data, false, NULL); 3019 if (IS_ERR(session)) 3020 return PTR_ERR(session); 3021 3022 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3023 3024 scripts_dir = opendir(scripts_path); 3025 if (!scripts_dir) { 3026 perf_session__delete(session); 3027 return -1; 3028 } 3029 3030 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3031 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, 3032 lang_dirent->d_name); 3033 #ifndef HAVE_LIBPERL_SUPPORT 3034 if (strstr(lang_path, "perl")) 3035 continue; 3036 #endif 3037 #ifndef HAVE_LIBPYTHON_SUPPORT 3038 if (strstr(lang_path, "python")) 3039 continue; 3040 #endif 3041 3042 lang_dir = opendir(lang_path); 3043 if (!lang_dir) 3044 continue; 3045 3046 for_each_script(lang_path, lang_dir, script_dirent) { 3047 /* Skip those real time scripts: xxxtop.p[yl] */ 3048 if (strstr(script_dirent->d_name, "top.")) 3049 continue; 3050 if (i >= num) 3051 break; 3052 snprintf(scripts_path_array[i], pathlen, "%s/%s", 3053 lang_path, 3054 script_dirent->d_name); 3055 temp = strchr(script_dirent->d_name, '.'); 3056 snprintf(scripts_array[i], 3057 (temp - script_dirent->d_name) + 1, 3058 "%s", script_dirent->d_name); 3059 3060 if (check_ev_match(lang_path, 3061 scripts_array[i], session)) 3062 continue; 3063 3064 i++; 3065 } 3066 closedir(lang_dir); 3067 } 3068 3069 closedir(scripts_dir); 3070 perf_session__delete(session); 3071 return i; 3072 } 3073 3074 static char *get_script_path(const char *script_root, const char *suffix) 3075 { 3076 struct dirent *script_dirent, *lang_dirent; 3077 char scripts_path[MAXPATHLEN]; 3078 char script_path[MAXPATHLEN]; 3079 DIR *scripts_dir, *lang_dir; 3080 char lang_path[MAXPATHLEN]; 3081 char *__script_root; 3082 3083 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3084 3085 scripts_dir = opendir(scripts_path); 3086 if (!scripts_dir) 3087 return NULL; 3088 3089 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3090 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3091 lang_dirent->d_name); 3092 lang_dir = opendir(lang_path); 3093 if (!lang_dir) 3094 continue; 3095 3096 for_each_script(lang_path, lang_dir, script_dirent) { 3097 __script_root = get_script_root(script_dirent, suffix); 3098 if (__script_root && !strcmp(script_root, __script_root)) { 3099 free(__script_root); 3100 closedir(scripts_dir); 3101 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3102 lang_path, script_dirent->d_name); 3103 closedir(lang_dir); 3104 return strdup(script_path); 3105 } 3106 free(__script_root); 3107 } 3108 closedir(lang_dir); 3109 } 3110 closedir(scripts_dir); 3111 3112 return NULL; 3113 } 3114 3115 static bool is_top_script(const char *script_path) 3116 { 3117 return ends_with(script_path, "top") == NULL ? false : true; 3118 } 3119 3120 static int has_required_arg(char *script_path) 3121 { 3122 struct script_desc *desc; 3123 int n_args = 0; 3124 char *p; 3125 3126 desc = script_desc__new(NULL); 3127 3128 if (read_script_info(desc, script_path)) 3129 goto out; 3130 3131 if (!desc->args) 3132 goto out; 3133 3134 for (p = desc->args; *p; p++) 3135 if (*p == '<') 3136 n_args++; 3137 out: 3138 script_desc__delete(desc); 3139 3140 return n_args; 3141 } 3142 3143 static int have_cmd(int argc, const char **argv) 3144 { 3145 char **__argv = malloc(sizeof(const char *) * argc); 3146 3147 if (!__argv) { 3148 pr_err("malloc failed\n"); 3149 return -1; 3150 } 3151 3152 memcpy(__argv, argv, sizeof(const char *) * argc); 3153 argc = parse_options(argc, (const char **)__argv, record_options, 3154 NULL, PARSE_OPT_STOP_AT_NON_OPTION); 3155 free(__argv); 3156 3157 system_wide = (argc == 0); 3158 3159 return 0; 3160 } 3161 3162 static void script__setup_sample_type(struct perf_script *script) 3163 { 3164 struct perf_session *session = script->session; 3165 u64 sample_type = perf_evlist__combined_sample_type(session->evlist); 3166 3167 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) { 3168 if ((sample_type & PERF_SAMPLE_REGS_USER) && 3169 (sample_type & PERF_SAMPLE_STACK_USER)) { 3170 callchain_param.record_mode = CALLCHAIN_DWARF; 3171 dwarf_callchain_users = true; 3172 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK) 3173 callchain_param.record_mode = CALLCHAIN_LBR; 3174 else 3175 callchain_param.record_mode = CALLCHAIN_FP; 3176 } 3177 3178 if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) { 3179 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n" 3180 "Please apply --call-graph lbr when recording.\n"); 3181 script->stitch_lbr = false; 3182 } 3183 } 3184 3185 static int process_stat_round_event(struct perf_session *session, 3186 union perf_event *event) 3187 { 3188 struct perf_record_stat_round *round = &event->stat_round; 3189 struct evsel *counter; 3190 3191 evlist__for_each_entry(session->evlist, counter) { 3192 perf_stat_process_counter(&stat_config, counter); 3193 process_stat(counter, round->time); 3194 } 3195 3196 process_stat_interval(round->time); 3197 return 0; 3198 } 3199 3200 static int process_stat_config_event(struct perf_session *session __maybe_unused, 3201 union perf_event *event) 3202 { 3203 perf_event__read_stat_config(&stat_config, &event->stat_config); 3204 return 0; 3205 } 3206 3207 static int set_maps(struct perf_script *script) 3208 { 3209 struct evlist *evlist = script->session->evlist; 3210 3211 if (!script->cpus || !script->threads) 3212 return 0; 3213 3214 if (WARN_ONCE(script->allocated, "stats double allocation\n")) 3215 return -EINVAL; 3216 3217 perf_evlist__set_maps(&evlist->core, script->cpus, script->threads); 3218 3219 if (perf_evlist__alloc_stats(evlist, true)) 3220 return -ENOMEM; 3221 3222 script->allocated = true; 3223 return 0; 3224 } 3225 3226 static 3227 int process_thread_map_event(struct perf_session *session, 3228 union perf_event *event) 3229 { 3230 struct perf_tool *tool = session->tool; 3231 struct perf_script *script = container_of(tool, struct perf_script, tool); 3232 3233 if (script->threads) { 3234 pr_warning("Extra thread map event, ignoring.\n"); 3235 return 0; 3236 } 3237 3238 script->threads = thread_map__new_event(&event->thread_map); 3239 if (!script->threads) 3240 return -ENOMEM; 3241 3242 return set_maps(script); 3243 } 3244 3245 static 3246 int process_cpu_map_event(struct perf_session *session, 3247 union perf_event *event) 3248 { 3249 struct perf_tool *tool = session->tool; 3250 struct perf_script *script = container_of(tool, struct perf_script, tool); 3251 3252 if (script->cpus) { 3253 pr_warning("Extra cpu map event, ignoring.\n"); 3254 return 0; 3255 } 3256 3257 script->cpus = cpu_map__new_data(&event->cpu_map.data); 3258 if (!script->cpus) 3259 return -ENOMEM; 3260 3261 return set_maps(script); 3262 } 3263 3264 static int process_feature_event(struct perf_session *session, 3265 union perf_event *event) 3266 { 3267 if (event->feat.feat_id < HEADER_LAST_FEATURE) 3268 return perf_event__process_feature(session, event); 3269 return 0; 3270 } 3271 3272 #ifdef HAVE_AUXTRACE_SUPPORT 3273 static int perf_script__process_auxtrace_info(struct perf_session *session, 3274 union perf_event *event) 3275 { 3276 struct perf_tool *tool = session->tool; 3277 3278 int ret = perf_event__process_auxtrace_info(session, event); 3279 3280 if (ret == 0) { 3281 struct perf_script *script = container_of(tool, struct perf_script, tool); 3282 3283 ret = perf_script__setup_per_event_dump(script); 3284 } 3285 3286 return ret; 3287 } 3288 #else 3289 #define perf_script__process_auxtrace_info 0 3290 #endif 3291 3292 static int parse_insn_trace(const struct option *opt __maybe_unused, 3293 const char *str __maybe_unused, 3294 int unset __maybe_unused) 3295 { 3296 parse_output_fields(NULL, "+insn,-event,-period", 0); 3297 itrace_parse_synth_opts(opt, "i0ns", 0); 3298 symbol_conf.nanosecs = true; 3299 return 0; 3300 } 3301 3302 static int parse_xed(const struct option *opt __maybe_unused, 3303 const char *str __maybe_unused, 3304 int unset __maybe_unused) 3305 { 3306 force_pager("xed -F insn: -A -64 | less"); 3307 return 0; 3308 } 3309 3310 static int parse_call_trace(const struct option *opt __maybe_unused, 3311 const char *str __maybe_unused, 3312 int unset __maybe_unused) 3313 { 3314 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0); 3315 itrace_parse_synth_opts(opt, "cewp", 0); 3316 symbol_conf.nanosecs = true; 3317 symbol_conf.pad_output_len_dso = 50; 3318 return 0; 3319 } 3320 3321 static int parse_callret_trace(const struct option *opt __maybe_unused, 3322 const char *str __maybe_unused, 3323 int unset __maybe_unused) 3324 { 3325 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0); 3326 itrace_parse_synth_opts(opt, "crewp", 0); 3327 symbol_conf.nanosecs = true; 3328 return 0; 3329 } 3330 3331 int cmd_script(int argc, const char **argv) 3332 { 3333 bool show_full_info = false; 3334 bool header = false; 3335 bool header_only = false; 3336 bool script_started = false; 3337 char *rec_script_path = NULL; 3338 char *rep_script_path = NULL; 3339 struct perf_session *session; 3340 struct itrace_synth_opts itrace_synth_opts = { 3341 .set = false, 3342 .default_no_sample = true, 3343 }; 3344 struct utsname uts; 3345 char *script_path = NULL; 3346 const char **__argv; 3347 int i, j, err = 0; 3348 struct perf_script script = { 3349 .tool = { 3350 .sample = process_sample_event, 3351 .mmap = perf_event__process_mmap, 3352 .mmap2 = perf_event__process_mmap2, 3353 .comm = perf_event__process_comm, 3354 .namespaces = perf_event__process_namespaces, 3355 .cgroup = perf_event__process_cgroup, 3356 .exit = perf_event__process_exit, 3357 .fork = perf_event__process_fork, 3358 .attr = process_attr, 3359 .event_update = perf_event__process_event_update, 3360 .tracing_data = perf_event__process_tracing_data, 3361 .feature = process_feature_event, 3362 .build_id = perf_event__process_build_id, 3363 .id_index = perf_event__process_id_index, 3364 .auxtrace_info = perf_script__process_auxtrace_info, 3365 .auxtrace = perf_event__process_auxtrace, 3366 .auxtrace_error = perf_event__process_auxtrace_error, 3367 .stat = perf_event__process_stat_event, 3368 .stat_round = process_stat_round_event, 3369 .stat_config = process_stat_config_event, 3370 .thread_map = process_thread_map_event, 3371 .cpu_map = process_cpu_map_event, 3372 .ordered_events = true, 3373 .ordering_requires_timestamps = true, 3374 }, 3375 }; 3376 struct perf_data data = { 3377 .mode = PERF_DATA_MODE_READ, 3378 }; 3379 const struct option options[] = { 3380 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 3381 "dump raw trace in ASCII"), 3382 OPT_INCR('v', "verbose", &verbose, 3383 "be more verbose (show symbol address, etc)"), 3384 OPT_BOOLEAN('L', "Latency", &latency_format, 3385 "show latency attributes (irqs/preemption disabled, etc)"), 3386 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", 3387 list_available_scripts), 3388 OPT_CALLBACK('s', "script", NULL, "name", 3389 "script file name (lang:script name, script name, or *)", 3390 parse_scriptname), 3391 OPT_STRING('g', "gen-script", &generate_script_lang, "lang", 3392 "generate perf-script.xx script in specified language"), 3393 OPT_STRING('i', "input", &input_name, "file", "input file name"), 3394 OPT_BOOLEAN('d', "debug-mode", &debug_mode, 3395 "do various checks like samples ordering and lost events"), 3396 OPT_BOOLEAN(0, "header", &header, "Show data header."), 3397 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."), 3398 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 3399 "file", "vmlinux pathname"), 3400 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 3401 "file", "kallsyms pathname"), 3402 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, 3403 "When printing symbols do not display call chain"), 3404 OPT_CALLBACK(0, "symfs", NULL, "directory", 3405 "Look for files with symbols relative to this directory", 3406 symbol__config_symfs), 3407 OPT_CALLBACK('F', "fields", NULL, "str", 3408 "comma separated output fields prepend with 'type:'. " 3409 "+field to add and -field to remove." 3410 "Valid types: hw,sw,trace,raw,synth. " 3411 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso," 3412 "addr,symoff,srcline,period,iregs,uregs,brstack," 3413 "brstacksym,flags,bpf-output,brstackinsn,brstackoff," 3414 "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc", 3415 parse_output_fields), 3416 OPT_BOOLEAN('a', "all-cpus", &system_wide, 3417 "system-wide collection from all CPUs"), 3418 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 3419 "only consider these symbols"), 3420 OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL, 3421 "Decode instructions from itrace", parse_insn_trace), 3422 OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL, 3423 "Run xed disassembler on output", parse_xed), 3424 OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL, 3425 "Decode calls from from itrace", parse_call_trace), 3426 OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL, 3427 "Decode calls and returns from itrace", parse_callret_trace), 3428 OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]", 3429 "Only print symbols and callees with --call-trace/--call-ret-trace"), 3430 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]", 3431 "Stop display of callgraph at these symbols"), 3432 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), 3433 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 3434 "only display events for these comms"), 3435 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 3436 "only consider symbols in these pids"), 3437 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 3438 "only consider symbols in these tids"), 3439 OPT_UINTEGER(0, "max-stack", &scripting_max_stack, 3440 "Set the maximum stack depth when parsing the callchain, " 3441 "anything beyond the specified depth will be ignored. " 3442 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 3443 OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"), 3444 OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"), 3445 OPT_BOOLEAN('I', "show-info", &show_full_info, 3446 "display extended information from perf.data file"), 3447 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, 3448 "Show the path of [kernel.kallsyms]"), 3449 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, 3450 "Show the fork/comm/exit events"), 3451 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, 3452 "Show the mmap events"), 3453 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events, 3454 "Show context switch events (if recorded)"), 3455 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events, 3456 "Show namespace events (if recorded)"), 3457 OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events, 3458 "Show cgroup events (if recorded)"), 3459 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events, 3460 "Show lost events (if recorded)"), 3461 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events, 3462 "Show round events (if recorded)"), 3463 OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events, 3464 "Show bpf related events (if recorded)"), 3465 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump, 3466 "Dump trace output to files named by the monitored events"), 3467 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 3468 OPT_INTEGER(0, "max-blocks", &max_blocks, 3469 "Maximum number of code blocks to dump with brstackinsn"), 3470 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, 3471 "Use 9 decimal places when displaying time"), 3472 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 3473 "Instruction Tracing options\n" ITRACE_HELP, 3474 itrace_parse_synth_opts), 3475 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 3476 "Show full source file name path for source lines"), 3477 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 3478 "Enable symbol demangling"), 3479 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 3480 "Enable kernel symbol demangling"), 3481 OPT_STRING(0, "time", &script.time_str, "str", 3482 "Time span of interest (start,stop)"), 3483 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 3484 "Show inline function"), 3485 OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory", 3486 "guest mount directory under which every guest os" 3487 " instance has a subdir"), 3488 OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name, 3489 "file", "file saving guest os vmlinux"), 3490 OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms, 3491 "file", "file saving guest os /proc/kallsyms"), 3492 OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules, 3493 "file", "file saving guest os /proc/modules"), 3494 OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr, 3495 "Enable LBR callgraph stitching approach"), 3496 OPTS_EVSWITCH(&script.evswitch), 3497 OPT_END() 3498 }; 3499 const char * const script_subcommands[] = { "record", "report", NULL }; 3500 const char *script_usage[] = { 3501 "perf script [<options>]", 3502 "perf script [<options>] record <script> [<record-options>] <command>", 3503 "perf script [<options>] report <script> [script-args]", 3504 "perf script [<options>] <script> [<record-options>] <command>", 3505 "perf script [<options>] <top-script> [script-args]", 3506 NULL 3507 }; 3508 3509 perf_set_singlethreaded(); 3510 3511 setup_scripting(); 3512 3513 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage, 3514 PARSE_OPT_STOP_AT_NON_OPTION); 3515 3516 if (symbol_conf.guestmount || 3517 symbol_conf.default_guest_vmlinux_name || 3518 symbol_conf.default_guest_kallsyms || 3519 symbol_conf.default_guest_modules) { 3520 /* 3521 * Enable guest sample processing. 3522 */ 3523 perf_guest = true; 3524 } 3525 3526 data.path = input_name; 3527 data.force = symbol_conf.force; 3528 3529 if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) { 3530 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); 3531 if (!rec_script_path) 3532 return cmd_record(argc, argv); 3533 } 3534 3535 if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) { 3536 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); 3537 if (!rep_script_path) { 3538 fprintf(stderr, 3539 "Please specify a valid report script" 3540 "(see 'perf script -l' for listing)\n"); 3541 return -1; 3542 } 3543 } 3544 3545 if (reltime && deltatime) { 3546 fprintf(stderr, 3547 "reltime and deltatime - the two don't get along well. " 3548 "Please limit to --reltime or --deltatime.\n"); 3549 return -1; 3550 } 3551 3552 if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) && 3553 itrace_synth_opts.callchain_sz > scripting_max_stack) 3554 scripting_max_stack = itrace_synth_opts.callchain_sz; 3555 3556 /* make sure PERF_EXEC_PATH is set for scripts */ 3557 set_argv_exec_path(get_argv_exec_path()); 3558 3559 if (argc && !script_name && !rec_script_path && !rep_script_path) { 3560 int live_pipe[2]; 3561 int rep_args; 3562 pid_t pid; 3563 3564 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); 3565 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); 3566 3567 if (!rec_script_path && !rep_script_path) { 3568 usage_with_options_msg(script_usage, options, 3569 "Couldn't find script `%s'\n\n See perf" 3570 " script -l for available scripts.\n", argv[0]); 3571 } 3572 3573 if (is_top_script(argv[0])) { 3574 rep_args = argc - 1; 3575 } else { 3576 int rec_args; 3577 3578 rep_args = has_required_arg(rep_script_path); 3579 rec_args = (argc - 1) - rep_args; 3580 if (rec_args < 0) { 3581 usage_with_options_msg(script_usage, options, 3582 "`%s' script requires options." 3583 "\n\n See perf script -l for available " 3584 "scripts and options.\n", argv[0]); 3585 } 3586 } 3587 3588 if (pipe(live_pipe) < 0) { 3589 perror("failed to create pipe"); 3590 return -1; 3591 } 3592 3593 pid = fork(); 3594 if (pid < 0) { 3595 perror("failed to fork"); 3596 return -1; 3597 } 3598 3599 if (!pid) { 3600 j = 0; 3601 3602 dup2(live_pipe[1], 1); 3603 close(live_pipe[0]); 3604 3605 if (is_top_script(argv[0])) { 3606 system_wide = true; 3607 } else if (!system_wide) { 3608 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { 3609 err = -1; 3610 goto out; 3611 } 3612 } 3613 3614 __argv = malloc((argc + 6) * sizeof(const char *)); 3615 if (!__argv) { 3616 pr_err("malloc failed\n"); 3617 err = -ENOMEM; 3618 goto out; 3619 } 3620 3621 __argv[j++] = "/bin/sh"; 3622 __argv[j++] = rec_script_path; 3623 if (system_wide) 3624 __argv[j++] = "-a"; 3625 __argv[j++] = "-q"; 3626 __argv[j++] = "-o"; 3627 __argv[j++] = "-"; 3628 for (i = rep_args + 1; i < argc; i++) 3629 __argv[j++] = argv[i]; 3630 __argv[j++] = NULL; 3631 3632 execvp("/bin/sh", (char **)__argv); 3633 free(__argv); 3634 exit(-1); 3635 } 3636 3637 dup2(live_pipe[0], 0); 3638 close(live_pipe[1]); 3639 3640 __argv = malloc((argc + 4) * sizeof(const char *)); 3641 if (!__argv) { 3642 pr_err("malloc failed\n"); 3643 err = -ENOMEM; 3644 goto out; 3645 } 3646 3647 j = 0; 3648 __argv[j++] = "/bin/sh"; 3649 __argv[j++] = rep_script_path; 3650 for (i = 1; i < rep_args + 1; i++) 3651 __argv[j++] = argv[i]; 3652 __argv[j++] = "-i"; 3653 __argv[j++] = "-"; 3654 __argv[j++] = NULL; 3655 3656 execvp("/bin/sh", (char **)__argv); 3657 free(__argv); 3658 exit(-1); 3659 } 3660 3661 if (rec_script_path) 3662 script_path = rec_script_path; 3663 if (rep_script_path) 3664 script_path = rep_script_path; 3665 3666 if (script_path) { 3667 j = 0; 3668 3669 if (!rec_script_path) 3670 system_wide = false; 3671 else if (!system_wide) { 3672 if (have_cmd(argc - 1, &argv[1]) != 0) { 3673 err = -1; 3674 goto out; 3675 } 3676 } 3677 3678 __argv = malloc((argc + 2) * sizeof(const char *)); 3679 if (!__argv) { 3680 pr_err("malloc failed\n"); 3681 err = -ENOMEM; 3682 goto out; 3683 } 3684 3685 __argv[j++] = "/bin/sh"; 3686 __argv[j++] = script_path; 3687 if (system_wide) 3688 __argv[j++] = "-a"; 3689 for (i = 2; i < argc; i++) 3690 __argv[j++] = argv[i]; 3691 __argv[j++] = NULL; 3692 3693 execvp("/bin/sh", (char **)__argv); 3694 free(__argv); 3695 exit(-1); 3696 } 3697 3698 if (!script_name) { 3699 setup_pager(); 3700 use_browser = 0; 3701 } 3702 3703 session = perf_session__new(&data, false, &script.tool); 3704 if (IS_ERR(session)) 3705 return PTR_ERR(session); 3706 3707 if (header || header_only) { 3708 script.tool.show_feat_hdr = SHOW_FEAT_HEADER; 3709 perf_session__fprintf_info(session, stdout, show_full_info); 3710 if (header_only) 3711 goto out_delete; 3712 } 3713 if (show_full_info) 3714 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 3715 3716 if (symbol__init(&session->header.env) < 0) 3717 goto out_delete; 3718 3719 uname(&uts); 3720 if (data.is_pipe || /* assume pipe_mode indicates native_arch */ 3721 !strcmp(uts.machine, session->header.env.arch) || 3722 (!strcmp(uts.machine, "x86_64") && 3723 !strcmp(session->header.env.arch, "i386"))) 3724 native_arch = true; 3725 3726 script.session = session; 3727 script__setup_sample_type(&script); 3728 3729 if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) || 3730 symbol_conf.graph_function) 3731 itrace_synth_opts.thread_stack = true; 3732 3733 session->itrace_synth_opts = &itrace_synth_opts; 3734 3735 if (cpu_list) { 3736 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap); 3737 if (err < 0) 3738 goto out_delete; 3739 itrace_synth_opts.cpu_bitmap = cpu_bitmap; 3740 } 3741 3742 if (!no_callchain) 3743 symbol_conf.use_callchain = true; 3744 else 3745 symbol_conf.use_callchain = false; 3746 3747 if (session->tevent.pevent && 3748 tep_set_function_resolver(session->tevent.pevent, 3749 machine__resolve_kernel_addr, 3750 &session->machines.host) < 0) { 3751 pr_err("%s: failed to set libtraceevent function resolver\n", __func__); 3752 err = -1; 3753 goto out_delete; 3754 } 3755 3756 if (generate_script_lang) { 3757 struct stat perf_stat; 3758 int input; 3759 3760 if (output_set_by_user()) { 3761 fprintf(stderr, 3762 "custom fields not supported for generated scripts"); 3763 err = -EINVAL; 3764 goto out_delete; 3765 } 3766 3767 input = open(data.path, O_RDONLY); /* input_name */ 3768 if (input < 0) { 3769 err = -errno; 3770 perror("failed to open file"); 3771 goto out_delete; 3772 } 3773 3774 err = fstat(input, &perf_stat); 3775 if (err < 0) { 3776 perror("failed to stat file"); 3777 goto out_delete; 3778 } 3779 3780 if (!perf_stat.st_size) { 3781 fprintf(stderr, "zero-sized file, nothing to do!\n"); 3782 goto out_delete; 3783 } 3784 3785 scripting_ops = script_spec__lookup(generate_script_lang); 3786 if (!scripting_ops) { 3787 fprintf(stderr, "invalid language specifier"); 3788 err = -ENOENT; 3789 goto out_delete; 3790 } 3791 3792 err = scripting_ops->generate_script(session->tevent.pevent, 3793 "perf-script"); 3794 goto out_delete; 3795 } 3796 3797 if (script_name) { 3798 err = scripting_ops->start_script(script_name, argc, argv); 3799 if (err) 3800 goto out_delete; 3801 pr_debug("perf script started with script %s\n\n", script_name); 3802 script_started = true; 3803 } 3804 3805 3806 err = perf_session__check_output_opt(session); 3807 if (err < 0) 3808 goto out_delete; 3809 3810 if (script.time_str) { 3811 err = perf_time__parse_for_ranges_reltime(script.time_str, session, 3812 &script.ptime_range, 3813 &script.range_size, 3814 &script.range_num, 3815 reltime); 3816 if (err < 0) 3817 goto out_delete; 3818 3819 itrace_synth_opts__set_time_range(&itrace_synth_opts, 3820 script.ptime_range, 3821 script.range_num); 3822 } 3823 3824 err = evswitch__init(&script.evswitch, session->evlist, stderr); 3825 if (err) 3826 goto out_delete; 3827 3828 err = __cmd_script(&script); 3829 3830 flush_scripting(); 3831 3832 out_delete: 3833 if (script.ptime_range) { 3834 itrace_synth_opts__clear_time_range(&itrace_synth_opts); 3835 zfree(&script.ptime_range); 3836 } 3837 3838 perf_evlist__free_stats(session->evlist); 3839 perf_session__delete(session); 3840 3841 if (script_started) 3842 cleanup_scripting(); 3843 out: 3844 return err; 3845 } 3846