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