1 // SPDX-License-Identifier: GPL-2.0 2 #include "builtin.h" 3 4 #include "perf.h" 5 #include "util/cache.h" 6 #include "util/debug.h" 7 #include <subcmd/exec-cmd.h> 8 #include "util/header.h" 9 #include <subcmd/parse-options.h> 10 #include "util/perf_regs.h" 11 #include "util/session.h" 12 #include "util/tool.h" 13 #include "util/map.h" 14 #include "util/symbol.h" 15 #include "util/thread.h" 16 #include "util/trace-event.h" 17 #include "util/evlist.h" 18 #include "util/evsel.h" 19 #include "util/evswitch.h" 20 #include "util/sort.h" 21 #include "util/data.h" 22 #include "util/auxtrace.h" 23 #include "util/cpumap.h" 24 #include "util/thread_map.h" 25 #include "util/stat.h" 26 #include "util/color.h" 27 #include "util/string2.h" 28 #include "util/thread-stack.h" 29 #include "util/time-utils.h" 30 #include "util/path.h" 31 #include "print_binary.h" 32 #include "archinsn.h" 33 #include <linux/bitmap.h> 34 #include <linux/kernel.h> 35 #include <linux/stringify.h> 36 #include <linux/time64.h> 37 #include <linux/zalloc.h> 38 #include <sys/utsname.h> 39 #include "asm/bug.h" 40 #include "util/mem-events.h" 41 #include "util/dump-insn.h" 42 #include <dirent.h> 43 #include <errno.h> 44 #include <inttypes.h> 45 #include <signal.h> 46 #include <sys/param.h> 47 #include <sys/types.h> 48 #include <sys/stat.h> 49 #include <fcntl.h> 50 #include <unistd.h> 51 #include <subcmd/pager.h> 52 #include <perf/evlist.h> 53 54 #include <linux/ctype.h> 55 56 static char const *script_name; 57 static char const *generate_script_lang; 58 static bool reltime; 59 static u64 initial_time; 60 static bool debug_mode; 61 static u64 last_timestamp; 62 static u64 nr_unordered; 63 static bool no_callchain; 64 static bool latency_format; 65 static bool system_wide; 66 static bool print_flags; 67 static const char *cpu_list; 68 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); 69 static struct perf_stat_config stat_config; 70 static int max_blocks; 71 static bool native_arch; 72 73 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH; 74 75 enum perf_output_field { 76 PERF_OUTPUT_COMM = 1U << 0, 77 PERF_OUTPUT_TID = 1U << 1, 78 PERF_OUTPUT_PID = 1U << 2, 79 PERF_OUTPUT_TIME = 1U << 3, 80 PERF_OUTPUT_CPU = 1U << 4, 81 PERF_OUTPUT_EVNAME = 1U << 5, 82 PERF_OUTPUT_TRACE = 1U << 6, 83 PERF_OUTPUT_IP = 1U << 7, 84 PERF_OUTPUT_SYM = 1U << 8, 85 PERF_OUTPUT_DSO = 1U << 9, 86 PERF_OUTPUT_ADDR = 1U << 10, 87 PERF_OUTPUT_SYMOFFSET = 1U << 11, 88 PERF_OUTPUT_SRCLINE = 1U << 12, 89 PERF_OUTPUT_PERIOD = 1U << 13, 90 PERF_OUTPUT_IREGS = 1U << 14, 91 PERF_OUTPUT_BRSTACK = 1U << 15, 92 PERF_OUTPUT_BRSTACKSYM = 1U << 16, 93 PERF_OUTPUT_DATA_SRC = 1U << 17, 94 PERF_OUTPUT_WEIGHT = 1U << 18, 95 PERF_OUTPUT_BPF_OUTPUT = 1U << 19, 96 PERF_OUTPUT_CALLINDENT = 1U << 20, 97 PERF_OUTPUT_INSN = 1U << 21, 98 PERF_OUTPUT_INSNLEN = 1U << 22, 99 PERF_OUTPUT_BRSTACKINSN = 1U << 23, 100 PERF_OUTPUT_BRSTACKOFF = 1U << 24, 101 PERF_OUTPUT_SYNTH = 1U << 25, 102 PERF_OUTPUT_PHYS_ADDR = 1U << 26, 103 PERF_OUTPUT_UREGS = 1U << 27, 104 PERF_OUTPUT_METRIC = 1U << 28, 105 PERF_OUTPUT_MISC = 1U << 29, 106 PERF_OUTPUT_SRCCODE = 1U << 30, 107 PERF_OUTPUT_IPC = 1U << 31, 108 }; 109 110 struct output_option { 111 const char *str; 112 enum perf_output_field field; 113 } all_output_options[] = { 114 {.str = "comm", .field = PERF_OUTPUT_COMM}, 115 {.str = "tid", .field = PERF_OUTPUT_TID}, 116 {.str = "pid", .field = PERF_OUTPUT_PID}, 117 {.str = "time", .field = PERF_OUTPUT_TIME}, 118 {.str = "cpu", .field = PERF_OUTPUT_CPU}, 119 {.str = "event", .field = PERF_OUTPUT_EVNAME}, 120 {.str = "trace", .field = PERF_OUTPUT_TRACE}, 121 {.str = "ip", .field = PERF_OUTPUT_IP}, 122 {.str = "sym", .field = PERF_OUTPUT_SYM}, 123 {.str = "dso", .field = PERF_OUTPUT_DSO}, 124 {.str = "addr", .field = PERF_OUTPUT_ADDR}, 125 {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET}, 126 {.str = "srcline", .field = PERF_OUTPUT_SRCLINE}, 127 {.str = "period", .field = PERF_OUTPUT_PERIOD}, 128 {.str = "iregs", .field = PERF_OUTPUT_IREGS}, 129 {.str = "uregs", .field = PERF_OUTPUT_UREGS}, 130 {.str = "brstack", .field = PERF_OUTPUT_BRSTACK}, 131 {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM}, 132 {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC}, 133 {.str = "weight", .field = PERF_OUTPUT_WEIGHT}, 134 {.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT}, 135 {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT}, 136 {.str = "insn", .field = PERF_OUTPUT_INSN}, 137 {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN}, 138 {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN}, 139 {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF}, 140 {.str = "synth", .field = PERF_OUTPUT_SYNTH}, 141 {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR}, 142 {.str = "metric", .field = PERF_OUTPUT_METRIC}, 143 {.str = "misc", .field = PERF_OUTPUT_MISC}, 144 {.str = "srccode", .field = PERF_OUTPUT_SRCCODE}, 145 {.str = "ipc", .field = PERF_OUTPUT_IPC}, 146 }; 147 148 enum { 149 OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX, 150 OUTPUT_TYPE_MAX 151 }; 152 153 /* default set to maintain compatibility with current format */ 154 static struct { 155 bool user_set; 156 bool wildcard_set; 157 unsigned int print_ip_opts; 158 u64 fields; 159 u64 invalid_fields; 160 u64 user_set_fields; 161 } output[OUTPUT_TYPE_MAX] = { 162 163 [PERF_TYPE_HARDWARE] = { 164 .user_set = false, 165 166 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 167 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 168 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 169 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 170 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 171 172 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 173 }, 174 175 [PERF_TYPE_SOFTWARE] = { 176 .user_set = false, 177 178 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 179 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 180 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 181 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 182 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 183 PERF_OUTPUT_BPF_OUTPUT, 184 185 .invalid_fields = PERF_OUTPUT_TRACE, 186 }, 187 188 [PERF_TYPE_TRACEPOINT] = { 189 .user_set = false, 190 191 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 192 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 193 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE 194 }, 195 196 [PERF_TYPE_HW_CACHE] = { 197 .user_set = false, 198 199 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 200 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 201 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 202 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 203 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 204 205 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 206 }, 207 208 [PERF_TYPE_RAW] = { 209 .user_set = false, 210 211 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 212 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 213 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 214 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 215 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 216 PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC | 217 PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR, 218 219 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 220 }, 221 222 [PERF_TYPE_BREAKPOINT] = { 223 .user_set = false, 224 225 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 226 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 227 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 228 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 229 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 230 231 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 232 }, 233 234 [OUTPUT_TYPE_SYNTH] = { 235 .user_set = false, 236 237 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 238 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 239 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 240 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 241 PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH, 242 243 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 244 }, 245 }; 246 247 struct evsel_script { 248 char *filename; 249 FILE *fp; 250 u64 samples; 251 /* For metric output */ 252 u64 val; 253 int gnum; 254 }; 255 256 static inline struct evsel_script *evsel_script(struct evsel *evsel) 257 { 258 return (struct evsel_script *)evsel->priv; 259 } 260 261 static struct evsel_script *perf_evsel_script__new(struct evsel *evsel, 262 struct perf_data *data) 263 { 264 struct evsel_script *es = zalloc(sizeof(*es)); 265 266 if (es != NULL) { 267 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, perf_evsel__name(evsel)) < 0) 268 goto out_free; 269 es->fp = fopen(es->filename, "w"); 270 if (es->fp == NULL) 271 goto out_free_filename; 272 } 273 274 return es; 275 out_free_filename: 276 zfree(&es->filename); 277 out_free: 278 free(es); 279 return NULL; 280 } 281 282 static void perf_evsel_script__delete(struct evsel_script *es) 283 { 284 zfree(&es->filename); 285 fclose(es->fp); 286 es->fp = NULL; 287 free(es); 288 } 289 290 static int perf_evsel_script__fprintf(struct evsel_script *es, FILE *fp) 291 { 292 struct stat st; 293 294 fstat(fileno(es->fp), &st); 295 return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n", 296 st.st_size / 1024.0 / 1024.0, es->filename, es->samples); 297 } 298 299 static inline int output_type(unsigned int type) 300 { 301 switch (type) { 302 case PERF_TYPE_SYNTH: 303 return OUTPUT_TYPE_SYNTH; 304 default: 305 return type; 306 } 307 } 308 309 static inline unsigned int attr_type(unsigned int type) 310 { 311 switch (type) { 312 case OUTPUT_TYPE_SYNTH: 313 return PERF_TYPE_SYNTH; 314 default: 315 return type; 316 } 317 } 318 319 static bool output_set_by_user(void) 320 { 321 int j; 322 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 323 if (output[j].user_set) 324 return true; 325 } 326 return false; 327 } 328 329 static const char *output_field2str(enum perf_output_field field) 330 { 331 int i, imax = ARRAY_SIZE(all_output_options); 332 const char *str = ""; 333 334 for (i = 0; i < imax; ++i) { 335 if (all_output_options[i].field == field) { 336 str = all_output_options[i].str; 337 break; 338 } 339 } 340 return str; 341 } 342 343 #define PRINT_FIELD(x) (output[output_type(attr->type)].fields & PERF_OUTPUT_##x) 344 345 static int perf_evsel__do_check_stype(struct evsel *evsel, 346 u64 sample_type, const char *sample_msg, 347 enum perf_output_field field, 348 bool allow_user_set) 349 { 350 struct perf_event_attr *attr = &evsel->core.attr; 351 int type = output_type(attr->type); 352 const char *evname; 353 354 if (attr->sample_type & sample_type) 355 return 0; 356 357 if (output[type].user_set_fields & field) { 358 if (allow_user_set) 359 return 0; 360 evname = perf_evsel__name(evsel); 361 pr_err("Samples for '%s' event do not have %s attribute set. " 362 "Cannot print '%s' field.\n", 363 evname, sample_msg, output_field2str(field)); 364 return -1; 365 } 366 367 /* user did not ask for it explicitly so remove from the default list */ 368 output[type].fields &= ~field; 369 evname = perf_evsel__name(evsel); 370 pr_debug("Samples for '%s' event do not have %s attribute set. " 371 "Skipping '%s' field.\n", 372 evname, sample_msg, output_field2str(field)); 373 374 return 0; 375 } 376 377 static int perf_evsel__check_stype(struct evsel *evsel, 378 u64 sample_type, const char *sample_msg, 379 enum perf_output_field field) 380 { 381 return perf_evsel__do_check_stype(evsel, sample_type, sample_msg, field, 382 false); 383 } 384 385 static int perf_evsel__check_attr(struct evsel *evsel, 386 struct perf_session *session) 387 { 388 struct perf_event_attr *attr = &evsel->core.attr; 389 bool allow_user_set; 390 391 if (perf_header__has_feat(&session->header, HEADER_STAT)) 392 return 0; 393 394 allow_user_set = perf_header__has_feat(&session->header, 395 HEADER_AUXTRACE); 396 397 if (PRINT_FIELD(TRACE) && 398 !perf_session__has_traces(session, "record -R")) 399 return -EINVAL; 400 401 if (PRINT_FIELD(IP)) { 402 if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", 403 PERF_OUTPUT_IP)) 404 return -EINVAL; 405 } 406 407 if (PRINT_FIELD(ADDR) && 408 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", 409 PERF_OUTPUT_ADDR, allow_user_set)) 410 return -EINVAL; 411 412 if (PRINT_FIELD(DATA_SRC) && 413 perf_evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", 414 PERF_OUTPUT_DATA_SRC)) 415 return -EINVAL; 416 417 if (PRINT_FIELD(WEIGHT) && 418 perf_evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT", 419 PERF_OUTPUT_WEIGHT)) 420 return -EINVAL; 421 422 if (PRINT_FIELD(SYM) && 423 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 424 pr_err("Display of symbols requested but neither sample IP nor " 425 "sample address\navailable. Hence, no addresses to convert " 426 "to symbols.\n"); 427 return -EINVAL; 428 } 429 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) { 430 pr_err("Display of offsets requested but symbol is not" 431 "selected.\n"); 432 return -EINVAL; 433 } 434 if (PRINT_FIELD(DSO) && 435 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 436 pr_err("Display of DSO requested but no address to convert.\n"); 437 return -EINVAL; 438 } 439 if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) { 440 pr_err("Display of source line number requested but sample IP is not\n" 441 "selected. Hence, no address to lookup the source line number.\n"); 442 return -EINVAL; 443 } 444 if (PRINT_FIELD(BRSTACKINSN) && 445 !(perf_evlist__combined_branch_type(session->evlist) & 446 PERF_SAMPLE_BRANCH_ANY)) { 447 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n" 448 "Hint: run 'perf record -b ...'\n"); 449 return -EINVAL; 450 } 451 if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) && 452 perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", 453 PERF_OUTPUT_TID|PERF_OUTPUT_PID)) 454 return -EINVAL; 455 456 if (PRINT_FIELD(TIME) && 457 perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", 458 PERF_OUTPUT_TIME)) 459 return -EINVAL; 460 461 if (PRINT_FIELD(CPU) && 462 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", 463 PERF_OUTPUT_CPU, allow_user_set)) 464 return -EINVAL; 465 466 if (PRINT_FIELD(IREGS) && 467 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", 468 PERF_OUTPUT_IREGS)) 469 return -EINVAL; 470 471 if (PRINT_FIELD(UREGS) && 472 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", 473 PERF_OUTPUT_UREGS)) 474 return -EINVAL; 475 476 if (PRINT_FIELD(PHYS_ADDR) && 477 perf_evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", 478 PERF_OUTPUT_PHYS_ADDR)) 479 return -EINVAL; 480 481 return 0; 482 } 483 484 static void set_print_ip_opts(struct perf_event_attr *attr) 485 { 486 unsigned int type = output_type(attr->type); 487 488 output[type].print_ip_opts = 0; 489 if (PRINT_FIELD(IP)) 490 output[type].print_ip_opts |= EVSEL__PRINT_IP; 491 492 if (PRINT_FIELD(SYM)) 493 output[type].print_ip_opts |= EVSEL__PRINT_SYM; 494 495 if (PRINT_FIELD(DSO)) 496 output[type].print_ip_opts |= EVSEL__PRINT_DSO; 497 498 if (PRINT_FIELD(SYMOFFSET)) 499 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET; 500 501 if (PRINT_FIELD(SRCLINE)) 502 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE; 503 } 504 505 /* 506 * verify all user requested events exist and the samples 507 * have the expected data 508 */ 509 static int perf_session__check_output_opt(struct perf_session *session) 510 { 511 unsigned int j; 512 struct evsel *evsel; 513 514 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 515 evsel = perf_session__find_first_evtype(session, attr_type(j)); 516 517 /* 518 * even if fields is set to 0 (ie., show nothing) event must 519 * exist if user explicitly includes it on the command line 520 */ 521 if (!evsel && output[j].user_set && !output[j].wildcard_set && 522 j != OUTPUT_TYPE_SYNTH) { 523 pr_err("%s events do not exist. " 524 "Remove corresponding -F option to proceed.\n", 525 event_type(j)); 526 return -1; 527 } 528 529 if (evsel && output[j].fields && 530 perf_evsel__check_attr(evsel, session)) 531 return -1; 532 533 if (evsel == NULL) 534 continue; 535 536 set_print_ip_opts(&evsel->core.attr); 537 } 538 539 if (!no_callchain) { 540 bool use_callchain = false; 541 bool not_pipe = false; 542 543 evlist__for_each_entry(session->evlist, evsel) { 544 not_pipe = true; 545 if (evsel__has_callchain(evsel)) { 546 use_callchain = true; 547 break; 548 } 549 } 550 if (not_pipe && !use_callchain) 551 symbol_conf.use_callchain = false; 552 } 553 554 /* 555 * set default for tracepoints to print symbols only 556 * if callchains are present 557 */ 558 if (symbol_conf.use_callchain && 559 !output[PERF_TYPE_TRACEPOINT].user_set) { 560 j = PERF_TYPE_TRACEPOINT; 561 562 evlist__for_each_entry(session->evlist, evsel) { 563 if (evsel->core.attr.type != j) 564 continue; 565 566 if (evsel__has_callchain(evsel)) { 567 output[j].fields |= PERF_OUTPUT_IP; 568 output[j].fields |= PERF_OUTPUT_SYM; 569 output[j].fields |= PERF_OUTPUT_SYMOFFSET; 570 output[j].fields |= PERF_OUTPUT_DSO; 571 set_print_ip_opts(&evsel->core.attr); 572 goto out; 573 } 574 } 575 } 576 577 out: 578 return 0; 579 } 580 581 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask, 582 FILE *fp 583 ) 584 { 585 unsigned i = 0, r; 586 int printed = 0; 587 588 if (!regs || !regs->regs) 589 return 0; 590 591 printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi); 592 593 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) { 594 u64 val = regs->regs[i++]; 595 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val); 596 } 597 598 fprintf(fp, "\n"); 599 600 return printed; 601 } 602 603 static int perf_sample__fprintf_iregs(struct perf_sample *sample, 604 struct perf_event_attr *attr, FILE *fp) 605 { 606 return perf_sample__fprintf_regs(&sample->intr_regs, 607 attr->sample_regs_intr, fp); 608 } 609 610 static int perf_sample__fprintf_uregs(struct perf_sample *sample, 611 struct perf_event_attr *attr, FILE *fp) 612 { 613 return perf_sample__fprintf_regs(&sample->user_regs, 614 attr->sample_regs_user, fp); 615 } 616 617 static int perf_sample__fprintf_start(struct perf_sample *sample, 618 struct thread *thread, 619 struct evsel *evsel, 620 u32 type, FILE *fp) 621 { 622 struct perf_event_attr *attr = &evsel->core.attr; 623 unsigned long secs; 624 unsigned long long nsecs; 625 int printed = 0; 626 627 if (PRINT_FIELD(COMM)) { 628 if (latency_format) 629 printed += fprintf(fp, "%8.8s ", thread__comm_str(thread)); 630 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain) 631 printed += fprintf(fp, "%s ", thread__comm_str(thread)); 632 else 633 printed += fprintf(fp, "%16s ", thread__comm_str(thread)); 634 } 635 636 if (PRINT_FIELD(PID) && PRINT_FIELD(TID)) 637 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid); 638 else if (PRINT_FIELD(PID)) 639 printed += fprintf(fp, "%5d ", sample->pid); 640 else if (PRINT_FIELD(TID)) 641 printed += fprintf(fp, "%5d ", sample->tid); 642 643 if (PRINT_FIELD(CPU)) { 644 if (latency_format) 645 printed += fprintf(fp, "%3d ", sample->cpu); 646 else 647 printed += fprintf(fp, "[%03d] ", sample->cpu); 648 } 649 650 if (PRINT_FIELD(MISC)) { 651 int ret = 0; 652 653 #define has(m) \ 654 (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m 655 656 if (has(KERNEL)) 657 ret += fprintf(fp, "K"); 658 if (has(USER)) 659 ret += fprintf(fp, "U"); 660 if (has(HYPERVISOR)) 661 ret += fprintf(fp, "H"); 662 if (has(GUEST_KERNEL)) 663 ret += fprintf(fp, "G"); 664 if (has(GUEST_USER)) 665 ret += fprintf(fp, "g"); 666 667 switch (type) { 668 case PERF_RECORD_MMAP: 669 case PERF_RECORD_MMAP2: 670 if (has(MMAP_DATA)) 671 ret += fprintf(fp, "M"); 672 break; 673 case PERF_RECORD_COMM: 674 if (has(COMM_EXEC)) 675 ret += fprintf(fp, "E"); 676 break; 677 case PERF_RECORD_SWITCH: 678 case PERF_RECORD_SWITCH_CPU_WIDE: 679 if (has(SWITCH_OUT)) { 680 ret += fprintf(fp, "S"); 681 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT) 682 ret += fprintf(fp, "p"); 683 } 684 default: 685 break; 686 } 687 688 #undef has 689 690 ret += fprintf(fp, "%*s", 6 - ret, " "); 691 printed += ret; 692 } 693 694 if (PRINT_FIELD(TIME)) { 695 u64 t = sample->time; 696 if (reltime) { 697 if (!initial_time) 698 initial_time = sample->time; 699 t = sample->time - initial_time; 700 } 701 nsecs = t; 702 secs = nsecs / NSEC_PER_SEC; 703 nsecs -= secs * NSEC_PER_SEC; 704 705 if (symbol_conf.nanosecs) 706 printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs); 707 else { 708 char sample_time[32]; 709 timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time)); 710 printed += fprintf(fp, "%12s: ", sample_time); 711 } 712 } 713 714 return printed; 715 } 716 717 static inline char 718 mispred_str(struct branch_entry *br) 719 { 720 if (!(br->flags.mispred || br->flags.predicted)) 721 return '-'; 722 723 return br->flags.predicted ? 'P' : 'M'; 724 } 725 726 static int perf_sample__fprintf_brstack(struct perf_sample *sample, 727 struct thread *thread, 728 struct perf_event_attr *attr, FILE *fp) 729 { 730 struct branch_stack *br = sample->branch_stack; 731 struct addr_location alf, alt; 732 u64 i, from, to; 733 int printed = 0; 734 735 if (!(br && br->nr)) 736 return 0; 737 738 for (i = 0; i < br->nr; i++) { 739 from = br->entries[i].from; 740 to = br->entries[i].to; 741 742 if (PRINT_FIELD(DSO)) { 743 memset(&alf, 0, sizeof(alf)); 744 memset(&alt, 0, sizeof(alt)); 745 thread__find_map_fb(thread, sample->cpumode, from, &alf); 746 thread__find_map_fb(thread, sample->cpumode, to, &alt); 747 } 748 749 printed += fprintf(fp, " 0x%"PRIx64, from); 750 if (PRINT_FIELD(DSO)) { 751 printed += fprintf(fp, "("); 752 printed += map__fprintf_dsoname(alf.map, fp); 753 printed += fprintf(fp, ")"); 754 } 755 756 printed += fprintf(fp, "/0x%"PRIx64, to); 757 if (PRINT_FIELD(DSO)) { 758 printed += fprintf(fp, "("); 759 printed += map__fprintf_dsoname(alt.map, fp); 760 printed += fprintf(fp, ")"); 761 } 762 763 printed += fprintf(fp, "/%c/%c/%c/%d ", 764 mispred_str( br->entries + i), 765 br->entries[i].flags.in_tx? 'X' : '-', 766 br->entries[i].flags.abort? 'A' : '-', 767 br->entries[i].flags.cycles); 768 } 769 770 return printed; 771 } 772 773 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample, 774 struct thread *thread, 775 struct perf_event_attr *attr, FILE *fp) 776 { 777 struct branch_stack *br = sample->branch_stack; 778 struct addr_location alf, alt; 779 u64 i, from, to; 780 int printed = 0; 781 782 if (!(br && br->nr)) 783 return 0; 784 785 for (i = 0; i < br->nr; i++) { 786 787 memset(&alf, 0, sizeof(alf)); 788 memset(&alt, 0, sizeof(alt)); 789 from = br->entries[i].from; 790 to = br->entries[i].to; 791 792 thread__find_symbol_fb(thread, sample->cpumode, from, &alf); 793 thread__find_symbol_fb(thread, sample->cpumode, to, &alt); 794 795 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp); 796 if (PRINT_FIELD(DSO)) { 797 printed += fprintf(fp, "("); 798 printed += map__fprintf_dsoname(alf.map, fp); 799 printed += fprintf(fp, ")"); 800 } 801 printed += fprintf(fp, "%c", '/'); 802 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp); 803 if (PRINT_FIELD(DSO)) { 804 printed += fprintf(fp, "("); 805 printed += map__fprintf_dsoname(alt.map, fp); 806 printed += fprintf(fp, ")"); 807 } 808 printed += fprintf(fp, "/%c/%c/%c/%d ", 809 mispred_str( br->entries + i), 810 br->entries[i].flags.in_tx? 'X' : '-', 811 br->entries[i].flags.abort? 'A' : '-', 812 br->entries[i].flags.cycles); 813 } 814 815 return printed; 816 } 817 818 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample, 819 struct thread *thread, 820 struct perf_event_attr *attr, FILE *fp) 821 { 822 struct branch_stack *br = sample->branch_stack; 823 struct addr_location alf, alt; 824 u64 i, from, to; 825 int printed = 0; 826 827 if (!(br && br->nr)) 828 return 0; 829 830 for (i = 0; i < br->nr; i++) { 831 832 memset(&alf, 0, sizeof(alf)); 833 memset(&alt, 0, sizeof(alt)); 834 from = br->entries[i].from; 835 to = br->entries[i].to; 836 837 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) && 838 !alf.map->dso->adjust_symbols) 839 from = map__map_ip(alf.map, from); 840 841 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) && 842 !alt.map->dso->adjust_symbols) 843 to = map__map_ip(alt.map, to); 844 845 printed += fprintf(fp, " 0x%"PRIx64, from); 846 if (PRINT_FIELD(DSO)) { 847 printed += fprintf(fp, "("); 848 printed += map__fprintf_dsoname(alf.map, fp); 849 printed += fprintf(fp, ")"); 850 } 851 printed += fprintf(fp, "/0x%"PRIx64, to); 852 if (PRINT_FIELD(DSO)) { 853 printed += fprintf(fp, "("); 854 printed += map__fprintf_dsoname(alt.map, fp); 855 printed += fprintf(fp, ")"); 856 } 857 printed += fprintf(fp, "/%c/%c/%c/%d ", 858 mispred_str(br->entries + i), 859 br->entries[i].flags.in_tx ? 'X' : '-', 860 br->entries[i].flags.abort ? 'A' : '-', 861 br->entries[i].flags.cycles); 862 } 863 864 return printed; 865 } 866 #define MAXBB 16384UL 867 868 static int grab_bb(u8 *buffer, u64 start, u64 end, 869 struct machine *machine, struct thread *thread, 870 bool *is64bit, u8 *cpumode, bool last) 871 { 872 long offset, len; 873 struct addr_location al; 874 bool kernel; 875 876 if (!start || !end) 877 return 0; 878 879 kernel = machine__kernel_ip(machine, start); 880 if (kernel) 881 *cpumode = PERF_RECORD_MISC_KERNEL; 882 else 883 *cpumode = PERF_RECORD_MISC_USER; 884 885 /* 886 * Block overlaps between kernel and user. 887 * This can happen due to ring filtering 888 * On Intel CPUs the entry into the kernel is filtered, 889 * but the exit is not. Let the caller patch it up. 890 */ 891 if (kernel != machine__kernel_ip(machine, end)) { 892 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end); 893 return -ENXIO; 894 } 895 896 memset(&al, 0, sizeof(al)); 897 if (end - start > MAXBB - MAXINSN) { 898 if (last) 899 pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end); 900 else 901 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start); 902 return 0; 903 } 904 905 if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) { 906 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 907 return 0; 908 } 909 if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) { 910 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 911 return 0; 912 } 913 914 /* Load maps to ensure dso->is_64_bit has been updated */ 915 map__load(al.map); 916 917 offset = al.map->map_ip(al.map, start); 918 len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer, 919 end - start + MAXINSN); 920 921 *is64bit = al.map->dso->is_64_bit; 922 if (len <= 0) 923 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n", 924 start, end); 925 return len; 926 } 927 928 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr) 929 { 930 struct addr_location al; 931 int ret = 0; 932 933 memset(&al, 0, sizeof(al)); 934 thread__find_map(thread, cpumode, addr, &al); 935 if (!al.map) 936 return 0; 937 ret = map__fprintf_srccode(al.map, al.addr, stdout, 938 &thread->srccode_state); 939 if (ret) 940 ret += printf("\n"); 941 return ret; 942 } 943 944 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en, 945 struct perf_insn *x, u8 *inbuf, int len, 946 int insn, FILE *fp, int *total_cycles) 947 { 948 int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip, 949 dump_insn(x, ip, inbuf, len, NULL), 950 en->flags.predicted ? " PRED" : "", 951 en->flags.mispred ? " MISPRED" : "", 952 en->flags.in_tx ? " INTX" : "", 953 en->flags.abort ? " ABORT" : ""); 954 if (en->flags.cycles) { 955 *total_cycles += en->flags.cycles; 956 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles); 957 if (insn) 958 printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles); 959 } 960 return printed + fprintf(fp, "\n"); 961 } 962 963 static int ip__fprintf_sym(uint64_t addr, struct thread *thread, 964 u8 cpumode, int cpu, struct symbol **lastsym, 965 struct perf_event_attr *attr, FILE *fp) 966 { 967 struct addr_location al; 968 int off, printed = 0; 969 970 memset(&al, 0, sizeof(al)); 971 972 thread__find_map(thread, cpumode, addr, &al); 973 974 if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end) 975 return 0; 976 977 al.cpu = cpu; 978 al.sym = NULL; 979 if (al.map) 980 al.sym = map__find_symbol(al.map, al.addr); 981 982 if (!al.sym) 983 return 0; 984 985 if (al.addr < al.sym->end) 986 off = al.addr - al.sym->start; 987 else 988 off = al.addr - al.map->start - al.sym->start; 989 printed += fprintf(fp, "\t%s", al.sym->name); 990 if (off) 991 printed += fprintf(fp, "%+d", off); 992 printed += fprintf(fp, ":"); 993 if (PRINT_FIELD(SRCLINE)) 994 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp); 995 printed += fprintf(fp, "\n"); 996 *lastsym = al.sym; 997 998 return printed; 999 } 1000 1001 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample, 1002 struct thread *thread, 1003 struct perf_event_attr *attr, 1004 struct machine *machine, FILE *fp) 1005 { 1006 struct branch_stack *br = sample->branch_stack; 1007 u64 start, end; 1008 int i, insn, len, nr, ilen, printed = 0; 1009 struct perf_insn x; 1010 u8 buffer[MAXBB]; 1011 unsigned off; 1012 struct symbol *lastsym = NULL; 1013 int total_cycles = 0; 1014 1015 if (!(br && br->nr)) 1016 return 0; 1017 nr = br->nr; 1018 if (max_blocks && nr > max_blocks + 1) 1019 nr = max_blocks + 1; 1020 1021 x.thread = thread; 1022 x.cpu = sample->cpu; 1023 1024 printed += fprintf(fp, "%c", '\n'); 1025 1026 /* Handle first from jump, of which we don't know the entry. */ 1027 len = grab_bb(buffer, br->entries[nr-1].from, 1028 br->entries[nr-1].from, 1029 machine, thread, &x.is64bit, &x.cpumode, false); 1030 if (len > 0) { 1031 printed += ip__fprintf_sym(br->entries[nr - 1].from, thread, 1032 x.cpumode, x.cpu, &lastsym, attr, fp); 1033 printed += ip__fprintf_jump(br->entries[nr - 1].from, &br->entries[nr - 1], 1034 &x, buffer, len, 0, fp, &total_cycles); 1035 if (PRINT_FIELD(SRCCODE)) 1036 printed += print_srccode(thread, x.cpumode, br->entries[nr - 1].from); 1037 } 1038 1039 /* Print all blocks */ 1040 for (i = nr - 2; i >= 0; i--) { 1041 if (br->entries[i].from || br->entries[i].to) 1042 pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i, 1043 br->entries[i].from, 1044 br->entries[i].to); 1045 start = br->entries[i + 1].to; 1046 end = br->entries[i].from; 1047 1048 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1049 /* Patch up missing kernel transfers due to ring filters */ 1050 if (len == -ENXIO && i > 0) { 1051 end = br->entries[--i].from; 1052 pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end); 1053 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1054 } 1055 if (len <= 0) 1056 continue; 1057 1058 insn = 0; 1059 for (off = 0;; off += ilen) { 1060 uint64_t ip = start + off; 1061 1062 printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1063 if (ip == end) { 1064 printed += ip__fprintf_jump(ip, &br->entries[i], &x, buffer + off, len - off, ++insn, fp, 1065 &total_cycles); 1066 if (PRINT_FIELD(SRCCODE)) 1067 printed += print_srccode(thread, x.cpumode, ip); 1068 break; 1069 } else { 1070 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip, 1071 dump_insn(&x, ip, buffer + off, len - off, &ilen)); 1072 if (ilen == 0) 1073 break; 1074 if (PRINT_FIELD(SRCCODE)) 1075 print_srccode(thread, x.cpumode, ip); 1076 insn++; 1077 } 1078 } 1079 } 1080 1081 /* 1082 * Hit the branch? In this case we are already done, and the target 1083 * has not been executed yet. 1084 */ 1085 if (br->entries[0].from == sample->ip) 1086 goto out; 1087 if (br->entries[0].flags.abort) 1088 goto out; 1089 1090 /* 1091 * Print final block upto sample 1092 * 1093 * Due to pipeline delays the LBRs might be missing a branch 1094 * or two, which can result in very large or negative blocks 1095 * between final branch and sample. When this happens just 1096 * continue walking after the last TO until we hit a branch. 1097 */ 1098 start = br->entries[0].to; 1099 end = sample->ip; 1100 if (end < start) { 1101 /* Missing jump. Scan 128 bytes for the next branch */ 1102 end = start + 128; 1103 } 1104 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true); 1105 printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1106 if (len <= 0) { 1107 /* Print at least last IP if basic block did not work */ 1108 len = grab_bb(buffer, sample->ip, sample->ip, 1109 machine, thread, &x.is64bit, &x.cpumode, false); 1110 if (len <= 0) 1111 goto out; 1112 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip, 1113 dump_insn(&x, sample->ip, buffer, len, NULL)); 1114 if (PRINT_FIELD(SRCCODE)) 1115 print_srccode(thread, x.cpumode, sample->ip); 1116 goto out; 1117 } 1118 for (off = 0; off <= end - start; off += ilen) { 1119 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off, 1120 dump_insn(&x, start + off, buffer + off, len - off, &ilen)); 1121 if (ilen == 0) 1122 break; 1123 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) { 1124 /* 1125 * Hit a missing branch. Just stop. 1126 */ 1127 printed += fprintf(fp, "\t... not reaching sample ...\n"); 1128 break; 1129 } 1130 if (PRINT_FIELD(SRCCODE)) 1131 print_srccode(thread, x.cpumode, start + off); 1132 } 1133 out: 1134 return printed; 1135 } 1136 1137 static int perf_sample__fprintf_addr(struct perf_sample *sample, 1138 struct thread *thread, 1139 struct perf_event_attr *attr, FILE *fp) 1140 { 1141 struct addr_location al; 1142 int printed = fprintf(fp, "%16" PRIx64, sample->addr); 1143 1144 if (!sample_addr_correlates_sym(attr)) 1145 goto out; 1146 1147 thread__resolve(thread, &al, sample); 1148 1149 if (PRINT_FIELD(SYM)) { 1150 printed += fprintf(fp, " "); 1151 if (PRINT_FIELD(SYMOFFSET)) 1152 printed += symbol__fprintf_symname_offs(al.sym, &al, fp); 1153 else 1154 printed += symbol__fprintf_symname(al.sym, fp); 1155 } 1156 1157 if (PRINT_FIELD(DSO)) { 1158 printed += fprintf(fp, " ("); 1159 printed += map__fprintf_dsoname(al.map, fp); 1160 printed += fprintf(fp, ")"); 1161 } 1162 out: 1163 return printed; 1164 } 1165 1166 static const char *resolve_branch_sym(struct perf_sample *sample, 1167 struct evsel *evsel, 1168 struct thread *thread, 1169 struct addr_location *al, 1170 u64 *ip) 1171 { 1172 struct addr_location addr_al; 1173 struct perf_event_attr *attr = &evsel->core.attr; 1174 const char *name = NULL; 1175 1176 if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) { 1177 if (sample_addr_correlates_sym(attr)) { 1178 thread__resolve(thread, &addr_al, sample); 1179 if (addr_al.sym) 1180 name = addr_al.sym->name; 1181 else 1182 *ip = sample->addr; 1183 } else { 1184 *ip = sample->addr; 1185 } 1186 } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) { 1187 if (al->sym) 1188 name = al->sym->name; 1189 else 1190 *ip = sample->ip; 1191 } 1192 return name; 1193 } 1194 1195 static int perf_sample__fprintf_callindent(struct perf_sample *sample, 1196 struct evsel *evsel, 1197 struct thread *thread, 1198 struct addr_location *al, FILE *fp) 1199 { 1200 struct perf_event_attr *attr = &evsel->core.attr; 1201 size_t depth = thread_stack__depth(thread, sample->cpu); 1202 const char *name = NULL; 1203 static int spacing; 1204 int len = 0; 1205 int dlen = 0; 1206 u64 ip = 0; 1207 1208 /* 1209 * The 'return' has already been popped off the stack so the depth has 1210 * to be adjusted to match the 'call'. 1211 */ 1212 if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN) 1213 depth += 1; 1214 1215 name = resolve_branch_sym(sample, evsel, thread, al, &ip); 1216 1217 if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) { 1218 dlen += fprintf(fp, "("); 1219 dlen += map__fprintf_dsoname(al->map, fp); 1220 dlen += fprintf(fp, ")\t"); 1221 } 1222 1223 if (name) 1224 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name); 1225 else if (ip) 1226 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip); 1227 1228 if (len < 0) 1229 return len; 1230 1231 /* 1232 * Try to keep the output length from changing frequently so that the 1233 * output lines up more nicely. 1234 */ 1235 if (len > spacing || (len && len < spacing - 52)) 1236 spacing = round_up(len + 4, 32); 1237 1238 if (len < spacing) 1239 len += fprintf(fp, "%*s", spacing - len, ""); 1240 1241 return len + dlen; 1242 } 1243 1244 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused, 1245 struct thread *thread __maybe_unused, 1246 struct machine *machine __maybe_unused) 1247 { 1248 } 1249 1250 static int perf_sample__fprintf_insn(struct perf_sample *sample, 1251 struct perf_event_attr *attr, 1252 struct thread *thread, 1253 struct machine *machine, FILE *fp) 1254 { 1255 int printed = 0; 1256 1257 if (sample->insn_len == 0 && native_arch) 1258 arch_fetch_insn(sample, thread, machine); 1259 1260 if (PRINT_FIELD(INSNLEN)) 1261 printed += fprintf(fp, " ilen: %d", sample->insn_len); 1262 if (PRINT_FIELD(INSN) && sample->insn_len) { 1263 int i; 1264 1265 printed += fprintf(fp, " insn:"); 1266 for (i = 0; i < sample->insn_len; i++) 1267 printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]); 1268 } 1269 if (PRINT_FIELD(BRSTACKINSN)) 1270 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp); 1271 1272 return printed; 1273 } 1274 1275 static int perf_sample__fprintf_ipc(struct perf_sample *sample, 1276 struct perf_event_attr *attr, FILE *fp) 1277 { 1278 unsigned int ipc; 1279 1280 if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt) 1281 return 0; 1282 1283 ipc = (sample->insn_cnt * 100) / sample->cyc_cnt; 1284 1285 return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ", 1286 ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt); 1287 } 1288 1289 static int perf_sample__fprintf_bts(struct perf_sample *sample, 1290 struct evsel *evsel, 1291 struct thread *thread, 1292 struct addr_location *al, 1293 struct machine *machine, FILE *fp) 1294 { 1295 struct perf_event_attr *attr = &evsel->core.attr; 1296 unsigned int type = output_type(attr->type); 1297 bool print_srcline_last = false; 1298 int printed = 0; 1299 1300 if (PRINT_FIELD(CALLINDENT)) 1301 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp); 1302 1303 /* print branch_from information */ 1304 if (PRINT_FIELD(IP)) { 1305 unsigned int print_opts = output[type].print_ip_opts; 1306 struct callchain_cursor *cursor = NULL; 1307 1308 if (symbol_conf.use_callchain && sample->callchain && 1309 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 1310 sample, NULL, NULL, scripting_max_stack) == 0) 1311 cursor = &callchain_cursor; 1312 1313 if (cursor == NULL) { 1314 printed += fprintf(fp, " "); 1315 if (print_opts & EVSEL__PRINT_SRCLINE) { 1316 print_srcline_last = true; 1317 print_opts &= ~EVSEL__PRINT_SRCLINE; 1318 } 1319 } else 1320 printed += fprintf(fp, "\n"); 1321 1322 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, fp); 1323 } 1324 1325 /* print branch_to information */ 1326 if (PRINT_FIELD(ADDR) || 1327 ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 1328 !output[type].user_set)) { 1329 printed += fprintf(fp, " => "); 1330 printed += perf_sample__fprintf_addr(sample, thread, attr, fp); 1331 } 1332 1333 printed += perf_sample__fprintf_ipc(sample, attr, fp); 1334 1335 if (print_srcline_last) 1336 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp); 1337 1338 printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 1339 printed += fprintf(fp, "\n"); 1340 if (PRINT_FIELD(SRCCODE)) { 1341 int ret = map__fprintf_srccode(al->map, al->addr, stdout, 1342 &thread->srccode_state); 1343 if (ret) { 1344 printed += ret; 1345 printed += printf("\n"); 1346 } 1347 } 1348 return printed; 1349 } 1350 1351 static struct { 1352 u32 flags; 1353 const char *name; 1354 } sample_flags[] = { 1355 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"}, 1356 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"}, 1357 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"}, 1358 {PERF_IP_FLAG_BRANCH, "jmp"}, 1359 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"}, 1360 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"}, 1361 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"}, 1362 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"}, 1363 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"}, 1364 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"}, 1365 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"}, 1366 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"}, 1367 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"}, 1368 {0, NULL} 1369 }; 1370 1371 static const char *sample_flags_to_name(u32 flags) 1372 { 1373 int i; 1374 1375 for (i = 0; sample_flags[i].name ; i++) { 1376 if (sample_flags[i].flags == flags) 1377 return sample_flags[i].name; 1378 } 1379 1380 return NULL; 1381 } 1382 1383 static int perf_sample__fprintf_flags(u32 flags, FILE *fp) 1384 { 1385 const char *chars = PERF_IP_FLAG_CHARS; 1386 const int n = strlen(PERF_IP_FLAG_CHARS); 1387 bool in_tx = flags & PERF_IP_FLAG_IN_TX; 1388 const char *name = NULL; 1389 char str[33]; 1390 int i, pos = 0; 1391 1392 name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX); 1393 if (name) 1394 return fprintf(fp, " %-15s%4s ", name, in_tx ? "(x)" : ""); 1395 1396 if (flags & PERF_IP_FLAG_TRACE_BEGIN) { 1397 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN)); 1398 if (name) 1399 return fprintf(fp, " tr strt %-7s%4s ", name, in_tx ? "(x)" : ""); 1400 } 1401 1402 if (flags & PERF_IP_FLAG_TRACE_END) { 1403 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END)); 1404 if (name) 1405 return fprintf(fp, " tr end %-7s%4s ", name, in_tx ? "(x)" : ""); 1406 } 1407 1408 for (i = 0; i < n; i++, flags >>= 1) { 1409 if (flags & 1) 1410 str[pos++] = chars[i]; 1411 } 1412 for (; i < 32; i++, flags >>= 1) { 1413 if (flags & 1) 1414 str[pos++] = '?'; 1415 } 1416 str[pos] = 0; 1417 1418 return fprintf(fp, " %-19s ", str); 1419 } 1420 1421 struct printer_data { 1422 int line_no; 1423 bool hit_nul; 1424 bool is_printable; 1425 }; 1426 1427 static int sample__fprintf_bpf_output(enum binary_printer_ops op, 1428 unsigned int val, 1429 void *extra, FILE *fp) 1430 { 1431 unsigned char ch = (unsigned char)val; 1432 struct printer_data *printer_data = extra; 1433 int printed = 0; 1434 1435 switch (op) { 1436 case BINARY_PRINT_DATA_BEGIN: 1437 printed += fprintf(fp, "\n"); 1438 break; 1439 case BINARY_PRINT_LINE_BEGIN: 1440 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" : 1441 " "); 1442 break; 1443 case BINARY_PRINT_ADDR: 1444 printed += fprintf(fp, " %04x:", val); 1445 break; 1446 case BINARY_PRINT_NUM_DATA: 1447 printed += fprintf(fp, " %02x", val); 1448 break; 1449 case BINARY_PRINT_NUM_PAD: 1450 printed += fprintf(fp, " "); 1451 break; 1452 case BINARY_PRINT_SEP: 1453 printed += fprintf(fp, " "); 1454 break; 1455 case BINARY_PRINT_CHAR_DATA: 1456 if (printer_data->hit_nul && ch) 1457 printer_data->is_printable = false; 1458 1459 if (!isprint(ch)) { 1460 printed += fprintf(fp, "%c", '.'); 1461 1462 if (!printer_data->is_printable) 1463 break; 1464 1465 if (ch == '\0') 1466 printer_data->hit_nul = true; 1467 else 1468 printer_data->is_printable = false; 1469 } else { 1470 printed += fprintf(fp, "%c", ch); 1471 } 1472 break; 1473 case BINARY_PRINT_CHAR_PAD: 1474 printed += fprintf(fp, " "); 1475 break; 1476 case BINARY_PRINT_LINE_END: 1477 printed += fprintf(fp, "\n"); 1478 printer_data->line_no++; 1479 break; 1480 case BINARY_PRINT_DATA_END: 1481 default: 1482 break; 1483 } 1484 1485 return printed; 1486 } 1487 1488 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp) 1489 { 1490 unsigned int nr_bytes = sample->raw_size; 1491 struct printer_data printer_data = {0, false, true}; 1492 int printed = binary__fprintf(sample->raw_data, nr_bytes, 8, 1493 sample__fprintf_bpf_output, &printer_data, fp); 1494 1495 if (printer_data.is_printable && printer_data.hit_nul) 1496 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data)); 1497 1498 return printed; 1499 } 1500 1501 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp) 1502 { 1503 if (len > 0 && len < spacing) 1504 return fprintf(fp, "%*s", spacing - len, ""); 1505 1506 return 0; 1507 } 1508 1509 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp) 1510 { 1511 return perf_sample__fprintf_spacing(len, 34, fp); 1512 } 1513 1514 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp) 1515 { 1516 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample); 1517 int len; 1518 1519 if (perf_sample__bad_synth_size(sample, *data)) 1520 return 0; 1521 1522 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ", 1523 data->ip, le64_to_cpu(data->payload)); 1524 return len + perf_sample__fprintf_pt_spacing(len, fp); 1525 } 1526 1527 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp) 1528 { 1529 struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample); 1530 int len; 1531 1532 if (perf_sample__bad_synth_size(sample, *data)) 1533 return 0; 1534 1535 len = fprintf(fp, " hints: %#x extensions: %#x ", 1536 data->hints, data->extensions); 1537 return len + perf_sample__fprintf_pt_spacing(len, fp); 1538 } 1539 1540 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp) 1541 { 1542 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample); 1543 int len; 1544 1545 if (perf_sample__bad_synth_size(sample, *data)) 1546 return 0; 1547 1548 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ", 1549 data->hw, data->cstate, data->subcstate); 1550 return len + perf_sample__fprintf_pt_spacing(len, fp); 1551 } 1552 1553 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp) 1554 { 1555 struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample); 1556 int len; 1557 1558 if (perf_sample__bad_synth_size(sample, *data)) 1559 return 0; 1560 1561 len = fprintf(fp, " IP: %u ", data->ip); 1562 return len + perf_sample__fprintf_pt_spacing(len, fp); 1563 } 1564 1565 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp) 1566 { 1567 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample); 1568 int len; 1569 1570 if (perf_sample__bad_synth_size(sample, *data)) 1571 return 0; 1572 1573 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ", 1574 data->deepest_cstate, data->last_cstate, 1575 data->wake_reason); 1576 return len + perf_sample__fprintf_pt_spacing(len, fp); 1577 } 1578 1579 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp) 1580 { 1581 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample); 1582 unsigned int percent, freq; 1583 int len; 1584 1585 if (perf_sample__bad_synth_size(sample, *data)) 1586 return 0; 1587 1588 freq = (le32_to_cpu(data->freq) + 500) / 1000; 1589 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq); 1590 if (data->max_nonturbo) { 1591 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10; 1592 len += fprintf(fp, "(%3u%%) ", percent); 1593 } 1594 return len + perf_sample__fprintf_pt_spacing(len, fp); 1595 } 1596 1597 static int perf_sample__fprintf_synth(struct perf_sample *sample, 1598 struct evsel *evsel, FILE *fp) 1599 { 1600 switch (evsel->core.attr.config) { 1601 case PERF_SYNTH_INTEL_PTWRITE: 1602 return perf_sample__fprintf_synth_ptwrite(sample, fp); 1603 case PERF_SYNTH_INTEL_MWAIT: 1604 return perf_sample__fprintf_synth_mwait(sample, fp); 1605 case PERF_SYNTH_INTEL_PWRE: 1606 return perf_sample__fprintf_synth_pwre(sample, fp); 1607 case PERF_SYNTH_INTEL_EXSTOP: 1608 return perf_sample__fprintf_synth_exstop(sample, fp); 1609 case PERF_SYNTH_INTEL_PWRX: 1610 return perf_sample__fprintf_synth_pwrx(sample, fp); 1611 case PERF_SYNTH_INTEL_CBR: 1612 return perf_sample__fprintf_synth_cbr(sample, fp); 1613 default: 1614 break; 1615 } 1616 1617 return 0; 1618 } 1619 1620 struct perf_script { 1621 struct perf_tool tool; 1622 struct perf_session *session; 1623 bool show_task_events; 1624 bool show_mmap_events; 1625 bool show_switch_events; 1626 bool show_namespace_events; 1627 bool show_lost_events; 1628 bool show_round_events; 1629 bool show_bpf_events; 1630 bool allocated; 1631 bool per_event_dump; 1632 struct evswitch evswitch; 1633 struct perf_cpu_map *cpus; 1634 struct perf_thread_map *threads; 1635 int name_width; 1636 const char *time_str; 1637 struct perf_time_interval *ptime_range; 1638 int range_size; 1639 int range_num; 1640 }; 1641 1642 static int perf_evlist__max_name_len(struct evlist *evlist) 1643 { 1644 struct evsel *evsel; 1645 int max = 0; 1646 1647 evlist__for_each_entry(evlist, evsel) { 1648 int len = strlen(perf_evsel__name(evsel)); 1649 1650 max = MAX(len, max); 1651 } 1652 1653 return max; 1654 } 1655 1656 static int data_src__fprintf(u64 data_src, FILE *fp) 1657 { 1658 struct mem_info mi = { .data_src.val = data_src }; 1659 char decode[100]; 1660 char out[100]; 1661 static int maxlen; 1662 int len; 1663 1664 perf_script__meminfo_scnprintf(decode, 100, &mi); 1665 1666 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode); 1667 if (maxlen < len) 1668 maxlen = len; 1669 1670 return fprintf(fp, "%-*s", maxlen, out); 1671 } 1672 1673 struct metric_ctx { 1674 struct perf_sample *sample; 1675 struct thread *thread; 1676 struct evsel *evsel; 1677 FILE *fp; 1678 }; 1679 1680 static void script_print_metric(struct perf_stat_config *config __maybe_unused, 1681 void *ctx, const char *color, 1682 const char *fmt, 1683 const char *unit, double val) 1684 { 1685 struct metric_ctx *mctx = ctx; 1686 1687 if (!fmt) 1688 return; 1689 perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel, 1690 PERF_RECORD_SAMPLE, mctx->fp); 1691 fputs("\tmetric: ", mctx->fp); 1692 if (color) 1693 color_fprintf(mctx->fp, color, fmt, val); 1694 else 1695 printf(fmt, val); 1696 fprintf(mctx->fp, " %s\n", unit); 1697 } 1698 1699 static void script_new_line(struct perf_stat_config *config __maybe_unused, 1700 void *ctx) 1701 { 1702 struct metric_ctx *mctx = ctx; 1703 1704 perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel, 1705 PERF_RECORD_SAMPLE, mctx->fp); 1706 fputs("\tmetric: ", mctx->fp); 1707 } 1708 1709 static void perf_sample__fprint_metric(struct perf_script *script, 1710 struct thread *thread, 1711 struct evsel *evsel, 1712 struct perf_sample *sample, 1713 FILE *fp) 1714 { 1715 struct perf_stat_output_ctx ctx = { 1716 .print_metric = script_print_metric, 1717 .new_line = script_new_line, 1718 .ctx = &(struct metric_ctx) { 1719 .sample = sample, 1720 .thread = thread, 1721 .evsel = evsel, 1722 .fp = fp, 1723 }, 1724 .force_header = false, 1725 }; 1726 struct evsel *ev2; 1727 u64 val; 1728 1729 if (!evsel->stats) 1730 perf_evlist__alloc_stats(script->session->evlist, false); 1731 if (evsel_script(evsel->leader)->gnum++ == 0) 1732 perf_stat__reset_shadow_stats(); 1733 val = sample->period * evsel->scale; 1734 perf_stat__update_shadow_stats(evsel, 1735 val, 1736 sample->cpu, 1737 &rt_stat); 1738 evsel_script(evsel)->val = val; 1739 if (evsel_script(evsel->leader)->gnum == evsel->leader->core.nr_members) { 1740 for_each_group_member (ev2, evsel->leader) { 1741 perf_stat__print_shadow_stats(&stat_config, ev2, 1742 evsel_script(ev2)->val, 1743 sample->cpu, 1744 &ctx, 1745 NULL, 1746 &rt_stat); 1747 } 1748 evsel_script(evsel->leader)->gnum = 0; 1749 } 1750 } 1751 1752 static bool show_event(struct perf_sample *sample, 1753 struct evsel *evsel, 1754 struct thread *thread, 1755 struct addr_location *al) 1756 { 1757 int depth = thread_stack__depth(thread, sample->cpu); 1758 1759 if (!symbol_conf.graph_function) 1760 return true; 1761 1762 if (thread->filter) { 1763 if (depth <= thread->filter_entry_depth) { 1764 thread->filter = false; 1765 return false; 1766 } 1767 return true; 1768 } else { 1769 const char *s = symbol_conf.graph_function; 1770 u64 ip; 1771 const char *name = resolve_branch_sym(sample, evsel, thread, al, 1772 &ip); 1773 unsigned nlen; 1774 1775 if (!name) 1776 return false; 1777 nlen = strlen(name); 1778 while (*s) { 1779 unsigned len = strcspn(s, ","); 1780 if (nlen == len && !strncmp(name, s, len)) { 1781 thread->filter = true; 1782 thread->filter_entry_depth = depth; 1783 return true; 1784 } 1785 s += len; 1786 if (*s == ',') 1787 s++; 1788 } 1789 return false; 1790 } 1791 } 1792 1793 static void process_event(struct perf_script *script, 1794 struct perf_sample *sample, struct evsel *evsel, 1795 struct addr_location *al, 1796 struct machine *machine) 1797 { 1798 struct thread *thread = al->thread; 1799 struct perf_event_attr *attr = &evsel->core.attr; 1800 unsigned int type = output_type(attr->type); 1801 struct evsel_script *es = evsel->priv; 1802 FILE *fp = es->fp; 1803 1804 if (output[type].fields == 0) 1805 return; 1806 1807 if (!show_event(sample, evsel, thread, al)) 1808 return; 1809 1810 if (evswitch__discard(&script->evswitch, evsel)) 1811 return; 1812 1813 ++es->samples; 1814 1815 perf_sample__fprintf_start(sample, thread, evsel, 1816 PERF_RECORD_SAMPLE, fp); 1817 1818 if (PRINT_FIELD(PERIOD)) 1819 fprintf(fp, "%10" PRIu64 " ", sample->period); 1820 1821 if (PRINT_FIELD(EVNAME)) { 1822 const char *evname = perf_evsel__name(evsel); 1823 1824 if (!script->name_width) 1825 script->name_width = perf_evlist__max_name_len(script->session->evlist); 1826 1827 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]"); 1828 } 1829 1830 if (print_flags) 1831 perf_sample__fprintf_flags(sample->flags, fp); 1832 1833 if (is_bts_event(attr)) { 1834 perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp); 1835 return; 1836 } 1837 1838 if (PRINT_FIELD(TRACE) && sample->raw_data) { 1839 event_format__fprintf(evsel->tp_format, sample->cpu, 1840 sample->raw_data, sample->raw_size, fp); 1841 } 1842 1843 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH)) 1844 perf_sample__fprintf_synth(sample, evsel, fp); 1845 1846 if (PRINT_FIELD(ADDR)) 1847 perf_sample__fprintf_addr(sample, thread, attr, fp); 1848 1849 if (PRINT_FIELD(DATA_SRC)) 1850 data_src__fprintf(sample->data_src, fp); 1851 1852 if (PRINT_FIELD(WEIGHT)) 1853 fprintf(fp, "%16" PRIu64, sample->weight); 1854 1855 if (PRINT_FIELD(IP)) { 1856 struct callchain_cursor *cursor = NULL; 1857 1858 if (symbol_conf.use_callchain && sample->callchain && 1859 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 1860 sample, NULL, NULL, scripting_max_stack) == 0) 1861 cursor = &callchain_cursor; 1862 1863 fputc(cursor ? '\n' : ' ', fp); 1864 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, fp); 1865 } 1866 1867 if (PRINT_FIELD(IREGS)) 1868 perf_sample__fprintf_iregs(sample, attr, fp); 1869 1870 if (PRINT_FIELD(UREGS)) 1871 perf_sample__fprintf_uregs(sample, attr, fp); 1872 1873 if (PRINT_FIELD(BRSTACK)) 1874 perf_sample__fprintf_brstack(sample, thread, attr, fp); 1875 else if (PRINT_FIELD(BRSTACKSYM)) 1876 perf_sample__fprintf_brstacksym(sample, thread, attr, fp); 1877 else if (PRINT_FIELD(BRSTACKOFF)) 1878 perf_sample__fprintf_brstackoff(sample, thread, attr, fp); 1879 1880 if (perf_evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT)) 1881 perf_sample__fprintf_bpf_output(sample, fp); 1882 perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 1883 1884 if (PRINT_FIELD(PHYS_ADDR)) 1885 fprintf(fp, "%16" PRIx64, sample->phys_addr); 1886 1887 perf_sample__fprintf_ipc(sample, attr, fp); 1888 1889 fprintf(fp, "\n"); 1890 1891 if (PRINT_FIELD(SRCCODE)) { 1892 if (map__fprintf_srccode(al->map, al->addr, stdout, 1893 &thread->srccode_state)) 1894 printf("\n"); 1895 } 1896 1897 if (PRINT_FIELD(METRIC)) 1898 perf_sample__fprint_metric(script, thread, evsel, sample, fp); 1899 1900 if (verbose) 1901 fflush(fp); 1902 } 1903 1904 static struct scripting_ops *scripting_ops; 1905 1906 static void __process_stat(struct evsel *counter, u64 tstamp) 1907 { 1908 int nthreads = thread_map__nr(counter->core.threads); 1909 int ncpus = perf_evsel__nr_cpus(counter); 1910 int cpu, thread; 1911 static int header_printed; 1912 1913 if (counter->system_wide) 1914 nthreads = 1; 1915 1916 if (!header_printed) { 1917 printf("%3s %8s %15s %15s %15s %15s %s\n", 1918 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT"); 1919 header_printed = 1; 1920 } 1921 1922 for (thread = 0; thread < nthreads; thread++) { 1923 for (cpu = 0; cpu < ncpus; cpu++) { 1924 struct perf_counts_values *counts; 1925 1926 counts = perf_counts(counter->counts, cpu, thread); 1927 1928 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n", 1929 counter->core.cpus->map[cpu], 1930 thread_map__pid(counter->core.threads, thread), 1931 counts->val, 1932 counts->ena, 1933 counts->run, 1934 tstamp, 1935 perf_evsel__name(counter)); 1936 } 1937 } 1938 } 1939 1940 static void process_stat(struct evsel *counter, u64 tstamp) 1941 { 1942 if (scripting_ops && scripting_ops->process_stat) 1943 scripting_ops->process_stat(&stat_config, counter, tstamp); 1944 else 1945 __process_stat(counter, tstamp); 1946 } 1947 1948 static void process_stat_interval(u64 tstamp) 1949 { 1950 if (scripting_ops && scripting_ops->process_stat_interval) 1951 scripting_ops->process_stat_interval(tstamp); 1952 } 1953 1954 static void setup_scripting(void) 1955 { 1956 setup_perl_scripting(); 1957 setup_python_scripting(); 1958 } 1959 1960 static int flush_scripting(void) 1961 { 1962 return scripting_ops ? scripting_ops->flush_script() : 0; 1963 } 1964 1965 static int cleanup_scripting(void) 1966 { 1967 pr_debug("\nperf script stopped\n"); 1968 1969 return scripting_ops ? scripting_ops->stop_script() : 0; 1970 } 1971 1972 static bool filter_cpu(struct perf_sample *sample) 1973 { 1974 if (cpu_list) 1975 return !test_bit(sample->cpu, cpu_bitmap); 1976 return false; 1977 } 1978 1979 static int process_sample_event(struct perf_tool *tool, 1980 union perf_event *event, 1981 struct perf_sample *sample, 1982 struct evsel *evsel, 1983 struct machine *machine) 1984 { 1985 struct perf_script *scr = container_of(tool, struct perf_script, tool); 1986 struct addr_location al; 1987 1988 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num, 1989 sample->time)) { 1990 return 0; 1991 } 1992 1993 if (debug_mode) { 1994 if (sample->time < last_timestamp) { 1995 pr_err("Samples misordered, previous: %" PRIu64 1996 " this: %" PRIu64 "\n", last_timestamp, 1997 sample->time); 1998 nr_unordered++; 1999 } 2000 last_timestamp = sample->time; 2001 return 0; 2002 } 2003 2004 if (machine__resolve(machine, &al, sample) < 0) { 2005 pr_err("problem processing %d event, skipping it.\n", 2006 event->header.type); 2007 return -1; 2008 } 2009 2010 if (al.filtered) 2011 goto out_put; 2012 2013 if (filter_cpu(sample)) 2014 goto out_put; 2015 2016 if (scripting_ops) 2017 scripting_ops->process_event(event, sample, evsel, &al); 2018 else 2019 process_event(scr, sample, evsel, &al, machine); 2020 2021 out_put: 2022 addr_location__put(&al); 2023 return 0; 2024 } 2025 2026 static int process_attr(struct perf_tool *tool, union perf_event *event, 2027 struct evlist **pevlist) 2028 { 2029 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2030 struct evlist *evlist; 2031 struct evsel *evsel, *pos; 2032 int err; 2033 static struct evsel_script *es; 2034 2035 err = perf_event__process_attr(tool, event, pevlist); 2036 if (err) 2037 return err; 2038 2039 evlist = *pevlist; 2040 evsel = perf_evlist__last(*pevlist); 2041 2042 if (!evsel->priv) { 2043 if (scr->per_event_dump) { 2044 evsel->priv = perf_evsel_script__new(evsel, 2045 scr->session->data); 2046 } else { 2047 es = zalloc(sizeof(*es)); 2048 if (!es) 2049 return -ENOMEM; 2050 es->fp = stdout; 2051 evsel->priv = es; 2052 } 2053 } 2054 2055 if (evsel->core.attr.type >= PERF_TYPE_MAX && 2056 evsel->core.attr.type != PERF_TYPE_SYNTH) 2057 return 0; 2058 2059 evlist__for_each_entry(evlist, pos) { 2060 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel) 2061 return 0; 2062 } 2063 2064 set_print_ip_opts(&evsel->core.attr); 2065 2066 if (evsel->core.attr.sample_type) 2067 err = perf_evsel__check_attr(evsel, scr->session); 2068 2069 return err; 2070 } 2071 2072 static int process_comm_event(struct perf_tool *tool, 2073 union perf_event *event, 2074 struct perf_sample *sample, 2075 struct machine *machine) 2076 { 2077 struct thread *thread; 2078 struct perf_script *script = container_of(tool, struct perf_script, tool); 2079 struct perf_session *session = script->session; 2080 struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2081 int ret = -1; 2082 2083 thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid); 2084 if (thread == NULL) { 2085 pr_debug("problem processing COMM event, skipping it.\n"); 2086 return -1; 2087 } 2088 2089 if (perf_event__process_comm(tool, event, sample, machine) < 0) 2090 goto out; 2091 2092 if (!evsel->core.attr.sample_id_all) { 2093 sample->cpu = 0; 2094 sample->time = 0; 2095 sample->tid = event->comm.tid; 2096 sample->pid = event->comm.pid; 2097 } 2098 if (!filter_cpu(sample)) { 2099 perf_sample__fprintf_start(sample, thread, evsel, 2100 PERF_RECORD_COMM, stdout); 2101 perf_event__fprintf(event, stdout); 2102 } 2103 ret = 0; 2104 out: 2105 thread__put(thread); 2106 return ret; 2107 } 2108 2109 static int process_namespaces_event(struct perf_tool *tool, 2110 union perf_event *event, 2111 struct perf_sample *sample, 2112 struct machine *machine) 2113 { 2114 struct thread *thread; 2115 struct perf_script *script = container_of(tool, struct perf_script, tool); 2116 struct perf_session *session = script->session; 2117 struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2118 int ret = -1; 2119 2120 thread = machine__findnew_thread(machine, event->namespaces.pid, 2121 event->namespaces.tid); 2122 if (thread == NULL) { 2123 pr_debug("problem processing NAMESPACES event, skipping it.\n"); 2124 return -1; 2125 } 2126 2127 if (perf_event__process_namespaces(tool, event, sample, machine) < 0) 2128 goto out; 2129 2130 if (!evsel->core.attr.sample_id_all) { 2131 sample->cpu = 0; 2132 sample->time = 0; 2133 sample->tid = event->namespaces.tid; 2134 sample->pid = event->namespaces.pid; 2135 } 2136 if (!filter_cpu(sample)) { 2137 perf_sample__fprintf_start(sample, thread, evsel, 2138 PERF_RECORD_NAMESPACES, stdout); 2139 perf_event__fprintf(event, stdout); 2140 } 2141 ret = 0; 2142 out: 2143 thread__put(thread); 2144 return ret; 2145 } 2146 2147 static int process_fork_event(struct perf_tool *tool, 2148 union perf_event *event, 2149 struct perf_sample *sample, 2150 struct machine *machine) 2151 { 2152 struct thread *thread; 2153 struct perf_script *script = container_of(tool, struct perf_script, tool); 2154 struct perf_session *session = script->session; 2155 struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2156 2157 if (perf_event__process_fork(tool, event, sample, machine) < 0) 2158 return -1; 2159 2160 thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid); 2161 if (thread == NULL) { 2162 pr_debug("problem processing FORK event, skipping it.\n"); 2163 return -1; 2164 } 2165 2166 if (!evsel->core.attr.sample_id_all) { 2167 sample->cpu = 0; 2168 sample->time = event->fork.time; 2169 sample->tid = event->fork.tid; 2170 sample->pid = event->fork.pid; 2171 } 2172 if (!filter_cpu(sample)) { 2173 perf_sample__fprintf_start(sample, thread, evsel, 2174 PERF_RECORD_FORK, stdout); 2175 perf_event__fprintf(event, stdout); 2176 } 2177 thread__put(thread); 2178 2179 return 0; 2180 } 2181 static int process_exit_event(struct perf_tool *tool, 2182 union perf_event *event, 2183 struct perf_sample *sample, 2184 struct machine *machine) 2185 { 2186 int err = 0; 2187 struct thread *thread; 2188 struct perf_script *script = container_of(tool, struct perf_script, tool); 2189 struct perf_session *session = script->session; 2190 struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2191 2192 thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid); 2193 if (thread == NULL) { 2194 pr_debug("problem processing EXIT event, skipping it.\n"); 2195 return -1; 2196 } 2197 2198 if (!evsel->core.attr.sample_id_all) { 2199 sample->cpu = 0; 2200 sample->time = 0; 2201 sample->tid = event->fork.tid; 2202 sample->pid = event->fork.pid; 2203 } 2204 if (!filter_cpu(sample)) { 2205 perf_sample__fprintf_start(sample, thread, evsel, 2206 PERF_RECORD_EXIT, stdout); 2207 perf_event__fprintf(event, stdout); 2208 } 2209 2210 if (perf_event__process_exit(tool, event, sample, machine) < 0) 2211 err = -1; 2212 2213 thread__put(thread); 2214 return err; 2215 } 2216 2217 static int process_mmap_event(struct perf_tool *tool, 2218 union perf_event *event, 2219 struct perf_sample *sample, 2220 struct machine *machine) 2221 { 2222 struct thread *thread; 2223 struct perf_script *script = container_of(tool, struct perf_script, tool); 2224 struct perf_session *session = script->session; 2225 struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2226 2227 if (perf_event__process_mmap(tool, event, sample, machine) < 0) 2228 return -1; 2229 2230 thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid); 2231 if (thread == NULL) { 2232 pr_debug("problem processing MMAP event, skipping it.\n"); 2233 return -1; 2234 } 2235 2236 if (!evsel->core.attr.sample_id_all) { 2237 sample->cpu = 0; 2238 sample->time = 0; 2239 sample->tid = event->mmap.tid; 2240 sample->pid = event->mmap.pid; 2241 } 2242 if (!filter_cpu(sample)) { 2243 perf_sample__fprintf_start(sample, thread, evsel, 2244 PERF_RECORD_MMAP, stdout); 2245 perf_event__fprintf(event, stdout); 2246 } 2247 thread__put(thread); 2248 return 0; 2249 } 2250 2251 static int process_mmap2_event(struct perf_tool *tool, 2252 union perf_event *event, 2253 struct perf_sample *sample, 2254 struct machine *machine) 2255 { 2256 struct thread *thread; 2257 struct perf_script *script = container_of(tool, struct perf_script, tool); 2258 struct perf_session *session = script->session; 2259 struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2260 2261 if (perf_event__process_mmap2(tool, event, sample, machine) < 0) 2262 return -1; 2263 2264 thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid); 2265 if (thread == NULL) { 2266 pr_debug("problem processing MMAP2 event, skipping it.\n"); 2267 return -1; 2268 } 2269 2270 if (!evsel->core.attr.sample_id_all) { 2271 sample->cpu = 0; 2272 sample->time = 0; 2273 sample->tid = event->mmap2.tid; 2274 sample->pid = event->mmap2.pid; 2275 } 2276 if (!filter_cpu(sample)) { 2277 perf_sample__fprintf_start(sample, thread, evsel, 2278 PERF_RECORD_MMAP2, stdout); 2279 perf_event__fprintf(event, stdout); 2280 } 2281 thread__put(thread); 2282 return 0; 2283 } 2284 2285 static int process_switch_event(struct perf_tool *tool, 2286 union perf_event *event, 2287 struct perf_sample *sample, 2288 struct machine *machine) 2289 { 2290 struct thread *thread; 2291 struct perf_script *script = container_of(tool, struct perf_script, tool); 2292 struct perf_session *session = script->session; 2293 struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2294 2295 if (perf_event__process_switch(tool, event, sample, machine) < 0) 2296 return -1; 2297 2298 if (scripting_ops && scripting_ops->process_switch) 2299 scripting_ops->process_switch(event, sample, machine); 2300 2301 if (!script->show_switch_events) 2302 return 0; 2303 2304 thread = machine__findnew_thread(machine, sample->pid, 2305 sample->tid); 2306 if (thread == NULL) { 2307 pr_debug("problem processing SWITCH event, skipping it.\n"); 2308 return -1; 2309 } 2310 2311 if (!filter_cpu(sample)) { 2312 perf_sample__fprintf_start(sample, thread, evsel, 2313 PERF_RECORD_SWITCH, stdout); 2314 perf_event__fprintf(event, stdout); 2315 } 2316 thread__put(thread); 2317 return 0; 2318 } 2319 2320 static int 2321 process_lost_event(struct perf_tool *tool, 2322 union perf_event *event, 2323 struct perf_sample *sample, 2324 struct machine *machine) 2325 { 2326 struct perf_script *script = container_of(tool, struct perf_script, tool); 2327 struct perf_session *session = script->session; 2328 struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2329 struct thread *thread; 2330 2331 thread = machine__findnew_thread(machine, sample->pid, 2332 sample->tid); 2333 if (thread == NULL) 2334 return -1; 2335 2336 if (!filter_cpu(sample)) { 2337 perf_sample__fprintf_start(sample, thread, evsel, 2338 PERF_RECORD_LOST, stdout); 2339 perf_event__fprintf(event, stdout); 2340 } 2341 thread__put(thread); 2342 return 0; 2343 } 2344 2345 static int 2346 process_finished_round_event(struct perf_tool *tool __maybe_unused, 2347 union perf_event *event, 2348 struct ordered_events *oe __maybe_unused) 2349 2350 { 2351 perf_event__fprintf(event, stdout); 2352 return 0; 2353 } 2354 2355 static int 2356 process_bpf_events(struct perf_tool *tool __maybe_unused, 2357 union perf_event *event, 2358 struct perf_sample *sample, 2359 struct machine *machine) 2360 { 2361 struct thread *thread; 2362 struct perf_script *script = container_of(tool, struct perf_script, tool); 2363 struct perf_session *session = script->session; 2364 struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2365 2366 if (machine__process_ksymbol(machine, event, sample) < 0) 2367 return -1; 2368 2369 if (!evsel->core.attr.sample_id_all) { 2370 perf_event__fprintf(event, stdout); 2371 return 0; 2372 } 2373 2374 thread = machine__findnew_thread(machine, sample->pid, sample->tid); 2375 if (thread == NULL) { 2376 pr_debug("problem processing MMAP event, skipping it.\n"); 2377 return -1; 2378 } 2379 2380 if (!filter_cpu(sample)) { 2381 perf_sample__fprintf_start(sample, thread, evsel, 2382 event->header.type, stdout); 2383 perf_event__fprintf(event, stdout); 2384 } 2385 2386 thread__put(thread); 2387 return 0; 2388 } 2389 2390 static void sig_handler(int sig __maybe_unused) 2391 { 2392 session_done = 1; 2393 } 2394 2395 static void perf_script__fclose_per_event_dump(struct perf_script *script) 2396 { 2397 struct evlist *evlist = script->session->evlist; 2398 struct evsel *evsel; 2399 2400 evlist__for_each_entry(evlist, evsel) { 2401 if (!evsel->priv) 2402 break; 2403 perf_evsel_script__delete(evsel->priv); 2404 evsel->priv = NULL; 2405 } 2406 } 2407 2408 static int perf_script__fopen_per_event_dump(struct perf_script *script) 2409 { 2410 struct evsel *evsel; 2411 2412 evlist__for_each_entry(script->session->evlist, evsel) { 2413 /* 2414 * Already setup? I.e. we may be called twice in cases like 2415 * Intel PT, one for the intel_pt// and dummy events, then 2416 * for the evsels syntheized from the auxtrace info. 2417 * 2418 * Ses perf_script__process_auxtrace_info. 2419 */ 2420 if (evsel->priv != NULL) 2421 continue; 2422 2423 evsel->priv = perf_evsel_script__new(evsel, script->session->data); 2424 if (evsel->priv == NULL) 2425 goto out_err_fclose; 2426 } 2427 2428 return 0; 2429 2430 out_err_fclose: 2431 perf_script__fclose_per_event_dump(script); 2432 return -1; 2433 } 2434 2435 static int perf_script__setup_per_event_dump(struct perf_script *script) 2436 { 2437 struct evsel *evsel; 2438 static struct evsel_script es_stdout; 2439 2440 if (script->per_event_dump) 2441 return perf_script__fopen_per_event_dump(script); 2442 2443 es_stdout.fp = stdout; 2444 2445 evlist__for_each_entry(script->session->evlist, evsel) 2446 evsel->priv = &es_stdout; 2447 2448 return 0; 2449 } 2450 2451 static void perf_script__exit_per_event_dump_stats(struct perf_script *script) 2452 { 2453 struct evsel *evsel; 2454 2455 evlist__for_each_entry(script->session->evlist, evsel) { 2456 struct evsel_script *es = evsel->priv; 2457 2458 perf_evsel_script__fprintf(es, stdout); 2459 perf_evsel_script__delete(es); 2460 evsel->priv = NULL; 2461 } 2462 } 2463 2464 static int __cmd_script(struct perf_script *script) 2465 { 2466 int ret; 2467 2468 signal(SIGINT, sig_handler); 2469 2470 perf_stat__init_shadow_stats(); 2471 2472 /* override event processing functions */ 2473 if (script->show_task_events) { 2474 script->tool.comm = process_comm_event; 2475 script->tool.fork = process_fork_event; 2476 script->tool.exit = process_exit_event; 2477 } 2478 if (script->show_mmap_events) { 2479 script->tool.mmap = process_mmap_event; 2480 script->tool.mmap2 = process_mmap2_event; 2481 } 2482 if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch)) 2483 script->tool.context_switch = process_switch_event; 2484 if (script->show_namespace_events) 2485 script->tool.namespaces = process_namespaces_event; 2486 if (script->show_lost_events) 2487 script->tool.lost = process_lost_event; 2488 if (script->show_round_events) { 2489 script->tool.ordered_events = false; 2490 script->tool.finished_round = process_finished_round_event; 2491 } 2492 if (script->show_bpf_events) { 2493 script->tool.ksymbol = process_bpf_events; 2494 script->tool.bpf_event = process_bpf_events; 2495 } 2496 2497 if (perf_script__setup_per_event_dump(script)) { 2498 pr_err("Couldn't create the per event dump files\n"); 2499 return -1; 2500 } 2501 2502 ret = perf_session__process_events(script->session); 2503 2504 if (script->per_event_dump) 2505 perf_script__exit_per_event_dump_stats(script); 2506 2507 if (debug_mode) 2508 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); 2509 2510 return ret; 2511 } 2512 2513 struct script_spec { 2514 struct list_head node; 2515 struct scripting_ops *ops; 2516 char spec[0]; 2517 }; 2518 2519 static LIST_HEAD(script_specs); 2520 2521 static struct script_spec *script_spec__new(const char *spec, 2522 struct scripting_ops *ops) 2523 { 2524 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); 2525 2526 if (s != NULL) { 2527 strcpy(s->spec, spec); 2528 s->ops = ops; 2529 } 2530 2531 return s; 2532 } 2533 2534 static void script_spec__add(struct script_spec *s) 2535 { 2536 list_add_tail(&s->node, &script_specs); 2537 } 2538 2539 static struct script_spec *script_spec__find(const char *spec) 2540 { 2541 struct script_spec *s; 2542 2543 list_for_each_entry(s, &script_specs, node) 2544 if (strcasecmp(s->spec, spec) == 0) 2545 return s; 2546 return NULL; 2547 } 2548 2549 int script_spec_register(const char *spec, struct scripting_ops *ops) 2550 { 2551 struct script_spec *s; 2552 2553 s = script_spec__find(spec); 2554 if (s) 2555 return -1; 2556 2557 s = script_spec__new(spec, ops); 2558 if (!s) 2559 return -1; 2560 else 2561 script_spec__add(s); 2562 2563 return 0; 2564 } 2565 2566 static struct scripting_ops *script_spec__lookup(const char *spec) 2567 { 2568 struct script_spec *s = script_spec__find(spec); 2569 if (!s) 2570 return NULL; 2571 2572 return s->ops; 2573 } 2574 2575 static void list_available_languages(void) 2576 { 2577 struct script_spec *s; 2578 2579 fprintf(stderr, "\n"); 2580 fprintf(stderr, "Scripting language extensions (used in " 2581 "perf script -s [spec:]script.[spec]):\n\n"); 2582 2583 list_for_each_entry(s, &script_specs, node) 2584 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); 2585 2586 fprintf(stderr, "\n"); 2587 } 2588 2589 static int parse_scriptname(const struct option *opt __maybe_unused, 2590 const char *str, int unset __maybe_unused) 2591 { 2592 char spec[PATH_MAX]; 2593 const char *script, *ext; 2594 int len; 2595 2596 if (strcmp(str, "lang") == 0) { 2597 list_available_languages(); 2598 exit(0); 2599 } 2600 2601 script = strchr(str, ':'); 2602 if (script) { 2603 len = script - str; 2604 if (len >= PATH_MAX) { 2605 fprintf(stderr, "invalid language specifier"); 2606 return -1; 2607 } 2608 strncpy(spec, str, len); 2609 spec[len] = '\0'; 2610 scripting_ops = script_spec__lookup(spec); 2611 if (!scripting_ops) { 2612 fprintf(stderr, "invalid language specifier"); 2613 return -1; 2614 } 2615 script++; 2616 } else { 2617 script = str; 2618 ext = strrchr(script, '.'); 2619 if (!ext) { 2620 fprintf(stderr, "invalid script extension"); 2621 return -1; 2622 } 2623 scripting_ops = script_spec__lookup(++ext); 2624 if (!scripting_ops) { 2625 fprintf(stderr, "invalid script extension"); 2626 return -1; 2627 } 2628 } 2629 2630 script_name = strdup(script); 2631 2632 return 0; 2633 } 2634 2635 static int parse_output_fields(const struct option *opt __maybe_unused, 2636 const char *arg, int unset __maybe_unused) 2637 { 2638 char *tok, *strtok_saveptr = NULL; 2639 int i, imax = ARRAY_SIZE(all_output_options); 2640 int j; 2641 int rc = 0; 2642 char *str = strdup(arg); 2643 int type = -1; 2644 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT; 2645 2646 if (!str) 2647 return -ENOMEM; 2648 2649 /* first word can state for which event type the user is specifying 2650 * the fields. If no type exists, the specified fields apply to all 2651 * event types found in the file minus the invalid fields for a type. 2652 */ 2653 tok = strchr(str, ':'); 2654 if (tok) { 2655 *tok = '\0'; 2656 tok++; 2657 if (!strcmp(str, "hw")) 2658 type = PERF_TYPE_HARDWARE; 2659 else if (!strcmp(str, "sw")) 2660 type = PERF_TYPE_SOFTWARE; 2661 else if (!strcmp(str, "trace")) 2662 type = PERF_TYPE_TRACEPOINT; 2663 else if (!strcmp(str, "raw")) 2664 type = PERF_TYPE_RAW; 2665 else if (!strcmp(str, "break")) 2666 type = PERF_TYPE_BREAKPOINT; 2667 else if (!strcmp(str, "synth")) 2668 type = OUTPUT_TYPE_SYNTH; 2669 else { 2670 fprintf(stderr, "Invalid event type in field string.\n"); 2671 rc = -EINVAL; 2672 goto out; 2673 } 2674 2675 if (output[type].user_set) 2676 pr_warning("Overriding previous field request for %s events.\n", 2677 event_type(type)); 2678 2679 /* Don't override defaults for +- */ 2680 if (strchr(tok, '+') || strchr(tok, '-')) 2681 goto parse; 2682 2683 output[type].fields = 0; 2684 output[type].user_set = true; 2685 output[type].wildcard_set = false; 2686 2687 } else { 2688 tok = str; 2689 if (strlen(str) == 0) { 2690 fprintf(stderr, 2691 "Cannot set fields to 'none' for all event types.\n"); 2692 rc = -EINVAL; 2693 goto out; 2694 } 2695 2696 /* Don't override defaults for +- */ 2697 if (strchr(str, '+') || strchr(str, '-')) 2698 goto parse; 2699 2700 if (output_set_by_user()) 2701 pr_warning("Overriding previous field request for all events.\n"); 2702 2703 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 2704 output[j].fields = 0; 2705 output[j].user_set = true; 2706 output[j].wildcard_set = true; 2707 } 2708 } 2709 2710 parse: 2711 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) { 2712 if (*tok == '+') { 2713 if (change == SET) 2714 goto out_badmix; 2715 change = ADD; 2716 tok++; 2717 } else if (*tok == '-') { 2718 if (change == SET) 2719 goto out_badmix; 2720 change = REMOVE; 2721 tok++; 2722 } else { 2723 if (change != SET && change != DEFAULT) 2724 goto out_badmix; 2725 change = SET; 2726 } 2727 2728 for (i = 0; i < imax; ++i) { 2729 if (strcmp(tok, all_output_options[i].str) == 0) 2730 break; 2731 } 2732 if (i == imax && strcmp(tok, "flags") == 0) { 2733 print_flags = change == REMOVE ? false : true; 2734 continue; 2735 } 2736 if (i == imax) { 2737 fprintf(stderr, "Invalid field requested.\n"); 2738 rc = -EINVAL; 2739 goto out; 2740 } 2741 2742 if (type == -1) { 2743 /* add user option to all events types for 2744 * which it is valid 2745 */ 2746 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 2747 if (output[j].invalid_fields & all_output_options[i].field) { 2748 pr_warning("\'%s\' not valid for %s events. Ignoring.\n", 2749 all_output_options[i].str, event_type(j)); 2750 } else { 2751 if (change == REMOVE) { 2752 output[j].fields &= ~all_output_options[i].field; 2753 output[j].user_set_fields &= ~all_output_options[i].field; 2754 } else { 2755 output[j].fields |= all_output_options[i].field; 2756 output[j].user_set_fields |= all_output_options[i].field; 2757 } 2758 output[j].user_set = true; 2759 output[j].wildcard_set = true; 2760 } 2761 } 2762 } else { 2763 if (output[type].invalid_fields & all_output_options[i].field) { 2764 fprintf(stderr, "\'%s\' not valid for %s events.\n", 2765 all_output_options[i].str, event_type(type)); 2766 2767 rc = -EINVAL; 2768 goto out; 2769 } 2770 if (change == REMOVE) 2771 output[type].fields &= ~all_output_options[i].field; 2772 else 2773 output[type].fields |= all_output_options[i].field; 2774 output[type].user_set = true; 2775 output[type].wildcard_set = true; 2776 } 2777 } 2778 2779 if (type >= 0) { 2780 if (output[type].fields == 0) { 2781 pr_debug("No fields requested for %s type. " 2782 "Events will not be displayed.\n", event_type(type)); 2783 } 2784 } 2785 goto out; 2786 2787 out_badmix: 2788 fprintf(stderr, "Cannot mix +-field with overridden fields\n"); 2789 rc = -EINVAL; 2790 out: 2791 free(str); 2792 return rc; 2793 } 2794 2795 #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \ 2796 while ((lang_dirent = readdir(scripts_dir)) != NULL) \ 2797 if ((lang_dirent->d_type == DT_DIR || \ 2798 (lang_dirent->d_type == DT_UNKNOWN && \ 2799 is_directory(scripts_path, lang_dirent))) && \ 2800 (strcmp(lang_dirent->d_name, ".")) && \ 2801 (strcmp(lang_dirent->d_name, ".."))) 2802 2803 #define for_each_script(lang_path, lang_dir, script_dirent) \ 2804 while ((script_dirent = readdir(lang_dir)) != NULL) \ 2805 if (script_dirent->d_type != DT_DIR && \ 2806 (script_dirent->d_type != DT_UNKNOWN || \ 2807 !is_directory(lang_path, script_dirent))) 2808 2809 2810 #define RECORD_SUFFIX "-record" 2811 #define REPORT_SUFFIX "-report" 2812 2813 struct script_desc { 2814 struct list_head node; 2815 char *name; 2816 char *half_liner; 2817 char *args; 2818 }; 2819 2820 static LIST_HEAD(script_descs); 2821 2822 static struct script_desc *script_desc__new(const char *name) 2823 { 2824 struct script_desc *s = zalloc(sizeof(*s)); 2825 2826 if (s != NULL && name) 2827 s->name = strdup(name); 2828 2829 return s; 2830 } 2831 2832 static void script_desc__delete(struct script_desc *s) 2833 { 2834 zfree(&s->name); 2835 zfree(&s->half_liner); 2836 zfree(&s->args); 2837 free(s); 2838 } 2839 2840 static void script_desc__add(struct script_desc *s) 2841 { 2842 list_add_tail(&s->node, &script_descs); 2843 } 2844 2845 static struct script_desc *script_desc__find(const char *name) 2846 { 2847 struct script_desc *s; 2848 2849 list_for_each_entry(s, &script_descs, node) 2850 if (strcasecmp(s->name, name) == 0) 2851 return s; 2852 return NULL; 2853 } 2854 2855 static struct script_desc *script_desc__findnew(const char *name) 2856 { 2857 struct script_desc *s = script_desc__find(name); 2858 2859 if (s) 2860 return s; 2861 2862 s = script_desc__new(name); 2863 if (!s) 2864 return NULL; 2865 2866 script_desc__add(s); 2867 2868 return s; 2869 } 2870 2871 static const char *ends_with(const char *str, const char *suffix) 2872 { 2873 size_t suffix_len = strlen(suffix); 2874 const char *p = str; 2875 2876 if (strlen(str) > suffix_len) { 2877 p = str + strlen(str) - suffix_len; 2878 if (!strncmp(p, suffix, suffix_len)) 2879 return p; 2880 } 2881 2882 return NULL; 2883 } 2884 2885 static int read_script_info(struct script_desc *desc, const char *filename) 2886 { 2887 char line[BUFSIZ], *p; 2888 FILE *fp; 2889 2890 fp = fopen(filename, "r"); 2891 if (!fp) 2892 return -1; 2893 2894 while (fgets(line, sizeof(line), fp)) { 2895 p = skip_spaces(line); 2896 if (strlen(p) == 0) 2897 continue; 2898 if (*p != '#') 2899 continue; 2900 p++; 2901 if (strlen(p) && *p == '!') 2902 continue; 2903 2904 p = skip_spaces(p); 2905 if (strlen(p) && p[strlen(p) - 1] == '\n') 2906 p[strlen(p) - 1] = '\0'; 2907 2908 if (!strncmp(p, "description:", strlen("description:"))) { 2909 p += strlen("description:"); 2910 desc->half_liner = strdup(skip_spaces(p)); 2911 continue; 2912 } 2913 2914 if (!strncmp(p, "args:", strlen("args:"))) { 2915 p += strlen("args:"); 2916 desc->args = strdup(skip_spaces(p)); 2917 continue; 2918 } 2919 } 2920 2921 fclose(fp); 2922 2923 return 0; 2924 } 2925 2926 static char *get_script_root(struct dirent *script_dirent, const char *suffix) 2927 { 2928 char *script_root, *str; 2929 2930 script_root = strdup(script_dirent->d_name); 2931 if (!script_root) 2932 return NULL; 2933 2934 str = (char *)ends_with(script_root, suffix); 2935 if (!str) { 2936 free(script_root); 2937 return NULL; 2938 } 2939 2940 *str = '\0'; 2941 return script_root; 2942 } 2943 2944 static int list_available_scripts(const struct option *opt __maybe_unused, 2945 const char *s __maybe_unused, 2946 int unset __maybe_unused) 2947 { 2948 struct dirent *script_dirent, *lang_dirent; 2949 char scripts_path[MAXPATHLEN]; 2950 DIR *scripts_dir, *lang_dir; 2951 char script_path[MAXPATHLEN]; 2952 char lang_path[MAXPATHLEN]; 2953 struct script_desc *desc; 2954 char first_half[BUFSIZ]; 2955 char *script_root; 2956 2957 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 2958 2959 scripts_dir = opendir(scripts_path); 2960 if (!scripts_dir) { 2961 fprintf(stdout, 2962 "open(%s) failed.\n" 2963 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n", 2964 scripts_path); 2965 exit(-1); 2966 } 2967 2968 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 2969 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 2970 lang_dirent->d_name); 2971 lang_dir = opendir(lang_path); 2972 if (!lang_dir) 2973 continue; 2974 2975 for_each_script(lang_path, lang_dir, script_dirent) { 2976 script_root = get_script_root(script_dirent, REPORT_SUFFIX); 2977 if (script_root) { 2978 desc = script_desc__findnew(script_root); 2979 scnprintf(script_path, MAXPATHLEN, "%s/%s", 2980 lang_path, script_dirent->d_name); 2981 read_script_info(desc, script_path); 2982 free(script_root); 2983 } 2984 } 2985 } 2986 2987 fprintf(stdout, "List of available trace scripts:\n"); 2988 list_for_each_entry(desc, &script_descs, node) { 2989 sprintf(first_half, "%s %s", desc->name, 2990 desc->args ? desc->args : ""); 2991 fprintf(stdout, " %-36s %s\n", first_half, 2992 desc->half_liner ? desc->half_liner : ""); 2993 } 2994 2995 exit(0); 2996 } 2997 2998 /* 2999 * Some scripts specify the required events in their "xxx-record" file, 3000 * this function will check if the events in perf.data match those 3001 * mentioned in the "xxx-record". 3002 * 3003 * Fixme: All existing "xxx-record" are all in good formats "-e event ", 3004 * which is covered well now. And new parsing code should be added to 3005 * cover the future complexing formats like event groups etc. 3006 */ 3007 static int check_ev_match(char *dir_name, char *scriptname, 3008 struct perf_session *session) 3009 { 3010 char filename[MAXPATHLEN], evname[128]; 3011 char line[BUFSIZ], *p; 3012 struct evsel *pos; 3013 int match, len; 3014 FILE *fp; 3015 3016 scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname); 3017 3018 fp = fopen(filename, "r"); 3019 if (!fp) 3020 return -1; 3021 3022 while (fgets(line, sizeof(line), fp)) { 3023 p = skip_spaces(line); 3024 if (*p == '#') 3025 continue; 3026 3027 while (strlen(p)) { 3028 p = strstr(p, "-e"); 3029 if (!p) 3030 break; 3031 3032 p += 2; 3033 p = skip_spaces(p); 3034 len = strcspn(p, " \t"); 3035 if (!len) 3036 break; 3037 3038 snprintf(evname, len + 1, "%s", p); 3039 3040 match = 0; 3041 evlist__for_each_entry(session->evlist, pos) { 3042 if (!strcmp(perf_evsel__name(pos), evname)) { 3043 match = 1; 3044 break; 3045 } 3046 } 3047 3048 if (!match) { 3049 fclose(fp); 3050 return -1; 3051 } 3052 } 3053 } 3054 3055 fclose(fp); 3056 return 0; 3057 } 3058 3059 /* 3060 * Return -1 if none is found, otherwise the actual scripts number. 3061 * 3062 * Currently the only user of this function is the script browser, which 3063 * will list all statically runnable scripts, select one, execute it and 3064 * show the output in a perf browser. 3065 */ 3066 int find_scripts(char **scripts_array, char **scripts_path_array, int num, 3067 int pathlen) 3068 { 3069 struct dirent *script_dirent, *lang_dirent; 3070 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; 3071 DIR *scripts_dir, *lang_dir; 3072 struct perf_session *session; 3073 struct perf_data data = { 3074 .path = input_name, 3075 .mode = PERF_DATA_MODE_READ, 3076 }; 3077 char *temp; 3078 int i = 0; 3079 3080 session = perf_session__new(&data, false, NULL); 3081 if (!session) 3082 return -1; 3083 3084 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3085 3086 scripts_dir = opendir(scripts_path); 3087 if (!scripts_dir) { 3088 perf_session__delete(session); 3089 return -1; 3090 } 3091 3092 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3093 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, 3094 lang_dirent->d_name); 3095 #ifndef HAVE_LIBPERL_SUPPORT 3096 if (strstr(lang_path, "perl")) 3097 continue; 3098 #endif 3099 #ifndef HAVE_LIBPYTHON_SUPPORT 3100 if (strstr(lang_path, "python")) 3101 continue; 3102 #endif 3103 3104 lang_dir = opendir(lang_path); 3105 if (!lang_dir) 3106 continue; 3107 3108 for_each_script(lang_path, lang_dir, script_dirent) { 3109 /* Skip those real time scripts: xxxtop.p[yl] */ 3110 if (strstr(script_dirent->d_name, "top.")) 3111 continue; 3112 if (i >= num) 3113 break; 3114 snprintf(scripts_path_array[i], pathlen, "%s/%s", 3115 lang_path, 3116 script_dirent->d_name); 3117 temp = strchr(script_dirent->d_name, '.'); 3118 snprintf(scripts_array[i], 3119 (temp - script_dirent->d_name) + 1, 3120 "%s", script_dirent->d_name); 3121 3122 if (check_ev_match(lang_path, 3123 scripts_array[i], session)) 3124 continue; 3125 3126 i++; 3127 } 3128 closedir(lang_dir); 3129 } 3130 3131 closedir(scripts_dir); 3132 perf_session__delete(session); 3133 return i; 3134 } 3135 3136 static char *get_script_path(const char *script_root, const char *suffix) 3137 { 3138 struct dirent *script_dirent, *lang_dirent; 3139 char scripts_path[MAXPATHLEN]; 3140 char script_path[MAXPATHLEN]; 3141 DIR *scripts_dir, *lang_dir; 3142 char lang_path[MAXPATHLEN]; 3143 char *__script_root; 3144 3145 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3146 3147 scripts_dir = opendir(scripts_path); 3148 if (!scripts_dir) 3149 return NULL; 3150 3151 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3152 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3153 lang_dirent->d_name); 3154 lang_dir = opendir(lang_path); 3155 if (!lang_dir) 3156 continue; 3157 3158 for_each_script(lang_path, lang_dir, script_dirent) { 3159 __script_root = get_script_root(script_dirent, suffix); 3160 if (__script_root && !strcmp(script_root, __script_root)) { 3161 free(__script_root); 3162 closedir(lang_dir); 3163 closedir(scripts_dir); 3164 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3165 lang_path, script_dirent->d_name); 3166 return strdup(script_path); 3167 } 3168 free(__script_root); 3169 } 3170 closedir(lang_dir); 3171 } 3172 closedir(scripts_dir); 3173 3174 return NULL; 3175 } 3176 3177 static bool is_top_script(const char *script_path) 3178 { 3179 return ends_with(script_path, "top") == NULL ? false : true; 3180 } 3181 3182 static int has_required_arg(char *script_path) 3183 { 3184 struct script_desc *desc; 3185 int n_args = 0; 3186 char *p; 3187 3188 desc = script_desc__new(NULL); 3189 3190 if (read_script_info(desc, script_path)) 3191 goto out; 3192 3193 if (!desc->args) 3194 goto out; 3195 3196 for (p = desc->args; *p; p++) 3197 if (*p == '<') 3198 n_args++; 3199 out: 3200 script_desc__delete(desc); 3201 3202 return n_args; 3203 } 3204 3205 static int have_cmd(int argc, const char **argv) 3206 { 3207 char **__argv = malloc(sizeof(const char *) * argc); 3208 3209 if (!__argv) { 3210 pr_err("malloc failed\n"); 3211 return -1; 3212 } 3213 3214 memcpy(__argv, argv, sizeof(const char *) * argc); 3215 argc = parse_options(argc, (const char **)__argv, record_options, 3216 NULL, PARSE_OPT_STOP_AT_NON_OPTION); 3217 free(__argv); 3218 3219 system_wide = (argc == 0); 3220 3221 return 0; 3222 } 3223 3224 static void script__setup_sample_type(struct perf_script *script) 3225 { 3226 struct perf_session *session = script->session; 3227 u64 sample_type = perf_evlist__combined_sample_type(session->evlist); 3228 3229 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) { 3230 if ((sample_type & PERF_SAMPLE_REGS_USER) && 3231 (sample_type & PERF_SAMPLE_STACK_USER)) { 3232 callchain_param.record_mode = CALLCHAIN_DWARF; 3233 dwarf_callchain_users = true; 3234 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK) 3235 callchain_param.record_mode = CALLCHAIN_LBR; 3236 else 3237 callchain_param.record_mode = CALLCHAIN_FP; 3238 } 3239 } 3240 3241 static int process_stat_round_event(struct perf_session *session, 3242 union perf_event *event) 3243 { 3244 struct stat_round_event *round = &event->stat_round; 3245 struct evsel *counter; 3246 3247 evlist__for_each_entry(session->evlist, counter) { 3248 perf_stat_process_counter(&stat_config, counter); 3249 process_stat(counter, round->time); 3250 } 3251 3252 process_stat_interval(round->time); 3253 return 0; 3254 } 3255 3256 static int process_stat_config_event(struct perf_session *session __maybe_unused, 3257 union perf_event *event) 3258 { 3259 perf_event__read_stat_config(&stat_config, &event->stat_config); 3260 return 0; 3261 } 3262 3263 static int set_maps(struct perf_script *script) 3264 { 3265 struct evlist *evlist = script->session->evlist; 3266 3267 if (!script->cpus || !script->threads) 3268 return 0; 3269 3270 if (WARN_ONCE(script->allocated, "stats double allocation\n")) 3271 return -EINVAL; 3272 3273 perf_evlist__set_maps(&evlist->core, script->cpus, script->threads); 3274 3275 if (perf_evlist__alloc_stats(evlist, true)) 3276 return -ENOMEM; 3277 3278 script->allocated = true; 3279 return 0; 3280 } 3281 3282 static 3283 int process_thread_map_event(struct perf_session *session, 3284 union perf_event *event) 3285 { 3286 struct perf_tool *tool = session->tool; 3287 struct perf_script *script = container_of(tool, struct perf_script, tool); 3288 3289 if (script->threads) { 3290 pr_warning("Extra thread map event, ignoring.\n"); 3291 return 0; 3292 } 3293 3294 script->threads = thread_map__new_event(&event->thread_map); 3295 if (!script->threads) 3296 return -ENOMEM; 3297 3298 return set_maps(script); 3299 } 3300 3301 static 3302 int process_cpu_map_event(struct perf_session *session, 3303 union perf_event *event) 3304 { 3305 struct perf_tool *tool = session->tool; 3306 struct perf_script *script = container_of(tool, struct perf_script, tool); 3307 3308 if (script->cpus) { 3309 pr_warning("Extra cpu map event, ignoring.\n"); 3310 return 0; 3311 } 3312 3313 script->cpus = cpu_map__new_data(&event->cpu_map.data); 3314 if (!script->cpus) 3315 return -ENOMEM; 3316 3317 return set_maps(script); 3318 } 3319 3320 static int process_feature_event(struct perf_session *session, 3321 union perf_event *event) 3322 { 3323 if (event->feat.feat_id < HEADER_LAST_FEATURE) 3324 return perf_event__process_feature(session, event); 3325 return 0; 3326 } 3327 3328 #ifdef HAVE_AUXTRACE_SUPPORT 3329 static int perf_script__process_auxtrace_info(struct perf_session *session, 3330 union perf_event *event) 3331 { 3332 struct perf_tool *tool = session->tool; 3333 3334 int ret = perf_event__process_auxtrace_info(session, event); 3335 3336 if (ret == 0) { 3337 struct perf_script *script = container_of(tool, struct perf_script, tool); 3338 3339 ret = perf_script__setup_per_event_dump(script); 3340 } 3341 3342 return ret; 3343 } 3344 #else 3345 #define perf_script__process_auxtrace_info 0 3346 #endif 3347 3348 static int parse_insn_trace(const struct option *opt __maybe_unused, 3349 const char *str __maybe_unused, 3350 int unset __maybe_unused) 3351 { 3352 parse_output_fields(NULL, "+insn,-event,-period", 0); 3353 itrace_parse_synth_opts(opt, "i0ns", 0); 3354 symbol_conf.nanosecs = true; 3355 return 0; 3356 } 3357 3358 static int parse_xed(const struct option *opt __maybe_unused, 3359 const char *str __maybe_unused, 3360 int unset __maybe_unused) 3361 { 3362 force_pager("xed -F insn: -A -64 | less"); 3363 return 0; 3364 } 3365 3366 static int parse_call_trace(const struct option *opt __maybe_unused, 3367 const char *str __maybe_unused, 3368 int unset __maybe_unused) 3369 { 3370 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0); 3371 itrace_parse_synth_opts(opt, "cewp", 0); 3372 symbol_conf.nanosecs = true; 3373 symbol_conf.pad_output_len_dso = 50; 3374 return 0; 3375 } 3376 3377 static int parse_callret_trace(const struct option *opt __maybe_unused, 3378 const char *str __maybe_unused, 3379 int unset __maybe_unused) 3380 { 3381 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0); 3382 itrace_parse_synth_opts(opt, "crewp", 0); 3383 symbol_conf.nanosecs = true; 3384 return 0; 3385 } 3386 3387 int cmd_script(int argc, const char **argv) 3388 { 3389 bool show_full_info = false; 3390 bool header = false; 3391 bool header_only = false; 3392 bool script_started = false; 3393 char *rec_script_path = NULL; 3394 char *rep_script_path = NULL; 3395 struct perf_session *session; 3396 struct itrace_synth_opts itrace_synth_opts = { 3397 .set = false, 3398 .default_no_sample = true, 3399 }; 3400 struct utsname uts; 3401 char *script_path = NULL; 3402 const char **__argv; 3403 int i, j, err = 0; 3404 struct perf_script script = { 3405 .tool = { 3406 .sample = process_sample_event, 3407 .mmap = perf_event__process_mmap, 3408 .mmap2 = perf_event__process_mmap2, 3409 .comm = perf_event__process_comm, 3410 .namespaces = perf_event__process_namespaces, 3411 .exit = perf_event__process_exit, 3412 .fork = perf_event__process_fork, 3413 .attr = process_attr, 3414 .event_update = perf_event__process_event_update, 3415 .tracing_data = perf_event__process_tracing_data, 3416 .feature = process_feature_event, 3417 .build_id = perf_event__process_build_id, 3418 .id_index = perf_event__process_id_index, 3419 .auxtrace_info = perf_script__process_auxtrace_info, 3420 .auxtrace = perf_event__process_auxtrace, 3421 .auxtrace_error = perf_event__process_auxtrace_error, 3422 .stat = perf_event__process_stat_event, 3423 .stat_round = process_stat_round_event, 3424 .stat_config = process_stat_config_event, 3425 .thread_map = process_thread_map_event, 3426 .cpu_map = process_cpu_map_event, 3427 .ordered_events = true, 3428 .ordering_requires_timestamps = true, 3429 }, 3430 }; 3431 struct perf_data data = { 3432 .mode = PERF_DATA_MODE_READ, 3433 }; 3434 const struct option options[] = { 3435 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 3436 "dump raw trace in ASCII"), 3437 OPT_INCR('v', "verbose", &verbose, 3438 "be more verbose (show symbol address, etc)"), 3439 OPT_BOOLEAN('L', "Latency", &latency_format, 3440 "show latency attributes (irqs/preemption disabled, etc)"), 3441 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", 3442 list_available_scripts), 3443 OPT_CALLBACK('s', "script", NULL, "name", 3444 "script file name (lang:script name, script name, or *)", 3445 parse_scriptname), 3446 OPT_STRING('g', "gen-script", &generate_script_lang, "lang", 3447 "generate perf-script.xx script in specified language"), 3448 OPT_STRING('i', "input", &input_name, "file", "input file name"), 3449 OPT_BOOLEAN('d', "debug-mode", &debug_mode, 3450 "do various checks like samples ordering and lost events"), 3451 OPT_BOOLEAN(0, "header", &header, "Show data header."), 3452 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."), 3453 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 3454 "file", "vmlinux pathname"), 3455 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 3456 "file", "kallsyms pathname"), 3457 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, 3458 "When printing symbols do not display call chain"), 3459 OPT_CALLBACK(0, "symfs", NULL, "directory", 3460 "Look for files with symbols relative to this directory", 3461 symbol__config_symfs), 3462 OPT_CALLBACK('F', "fields", NULL, "str", 3463 "comma separated output fields prepend with 'type:'. " 3464 "+field to add and -field to remove." 3465 "Valid types: hw,sw,trace,raw,synth. " 3466 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso," 3467 "addr,symoff,srcline,period,iregs,uregs,brstack," 3468 "brstacksym,flags,bpf-output,brstackinsn,brstackoff," 3469 "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc", 3470 parse_output_fields), 3471 OPT_BOOLEAN('a', "all-cpus", &system_wide, 3472 "system-wide collection from all CPUs"), 3473 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 3474 "only consider these symbols"), 3475 OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL, 3476 "Decode instructions from itrace", parse_insn_trace), 3477 OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL, 3478 "Run xed disassembler on output", parse_xed), 3479 OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL, 3480 "Decode calls from from itrace", parse_call_trace), 3481 OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL, 3482 "Decode calls and returns from itrace", parse_callret_trace), 3483 OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]", 3484 "Only print symbols and callees with --call-trace/--call-ret-trace"), 3485 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]", 3486 "Stop display of callgraph at these symbols"), 3487 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), 3488 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 3489 "only display events for these comms"), 3490 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 3491 "only consider symbols in these pids"), 3492 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 3493 "only consider symbols in these tids"), 3494 OPT_UINTEGER(0, "max-stack", &scripting_max_stack, 3495 "Set the maximum stack depth when parsing the callchain, " 3496 "anything beyond the specified depth will be ignored. " 3497 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 3498 OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"), 3499 OPT_BOOLEAN('I', "show-info", &show_full_info, 3500 "display extended information from perf.data file"), 3501 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, 3502 "Show the path of [kernel.kallsyms]"), 3503 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, 3504 "Show the fork/comm/exit events"), 3505 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, 3506 "Show the mmap events"), 3507 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events, 3508 "Show context switch events (if recorded)"), 3509 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events, 3510 "Show namespace events (if recorded)"), 3511 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events, 3512 "Show lost events (if recorded)"), 3513 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events, 3514 "Show round events (if recorded)"), 3515 OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events, 3516 "Show bpf related events (if recorded)"), 3517 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump, 3518 "Dump trace output to files named by the monitored events"), 3519 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 3520 OPT_INTEGER(0, "max-blocks", &max_blocks, 3521 "Maximum number of code blocks to dump with brstackinsn"), 3522 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, 3523 "Use 9 decimal places when displaying time"), 3524 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 3525 "Instruction Tracing options\n" ITRACE_HELP, 3526 itrace_parse_synth_opts), 3527 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 3528 "Show full source file name path for source lines"), 3529 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 3530 "Enable symbol demangling"), 3531 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 3532 "Enable kernel symbol demangling"), 3533 OPT_STRING(0, "time", &script.time_str, "str", 3534 "Time span of interest (start,stop)"), 3535 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 3536 "Show inline function"), 3537 OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory", 3538 "guest mount directory under which every guest os" 3539 " instance has a subdir"), 3540 OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name, 3541 "file", "file saving guest os vmlinux"), 3542 OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms, 3543 "file", "file saving guest os /proc/kallsyms"), 3544 OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules, 3545 "file", "file saving guest os /proc/modules"), 3546 OPTS_EVSWITCH(&script.evswitch), 3547 OPT_END() 3548 }; 3549 const char * const script_subcommands[] = { "record", "report", NULL }; 3550 const char *script_usage[] = { 3551 "perf script [<options>]", 3552 "perf script [<options>] record <script> [<record-options>] <command>", 3553 "perf script [<options>] report <script> [script-args]", 3554 "perf script [<options>] <script> [<record-options>] <command>", 3555 "perf script [<options>] <top-script> [script-args]", 3556 NULL 3557 }; 3558 3559 perf_set_singlethreaded(); 3560 3561 setup_scripting(); 3562 3563 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage, 3564 PARSE_OPT_STOP_AT_NON_OPTION); 3565 3566 if (symbol_conf.guestmount || 3567 symbol_conf.default_guest_vmlinux_name || 3568 symbol_conf.default_guest_kallsyms || 3569 symbol_conf.default_guest_modules) { 3570 /* 3571 * Enable guest sample processing. 3572 */ 3573 perf_guest = true; 3574 } 3575 3576 data.path = input_name; 3577 data.force = symbol_conf.force; 3578 3579 if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) { 3580 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); 3581 if (!rec_script_path) 3582 return cmd_record(argc, argv); 3583 } 3584 3585 if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) { 3586 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); 3587 if (!rep_script_path) { 3588 fprintf(stderr, 3589 "Please specify a valid report script" 3590 "(see 'perf script -l' for listing)\n"); 3591 return -1; 3592 } 3593 } 3594 3595 if (script.time_str && reltime) { 3596 fprintf(stderr, "Don't combine --reltime with --time\n"); 3597 return -1; 3598 } 3599 3600 if (itrace_synth_opts.callchain && 3601 itrace_synth_opts.callchain_sz > scripting_max_stack) 3602 scripting_max_stack = itrace_synth_opts.callchain_sz; 3603 3604 /* make sure PERF_EXEC_PATH is set for scripts */ 3605 set_argv_exec_path(get_argv_exec_path()); 3606 3607 if (argc && !script_name && !rec_script_path && !rep_script_path) { 3608 int live_pipe[2]; 3609 int rep_args; 3610 pid_t pid; 3611 3612 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); 3613 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); 3614 3615 if (!rec_script_path && !rep_script_path) { 3616 usage_with_options_msg(script_usage, options, 3617 "Couldn't find script `%s'\n\n See perf" 3618 " script -l for available scripts.\n", argv[0]); 3619 } 3620 3621 if (is_top_script(argv[0])) { 3622 rep_args = argc - 1; 3623 } else { 3624 int rec_args; 3625 3626 rep_args = has_required_arg(rep_script_path); 3627 rec_args = (argc - 1) - rep_args; 3628 if (rec_args < 0) { 3629 usage_with_options_msg(script_usage, options, 3630 "`%s' script requires options." 3631 "\n\n See perf script -l for available " 3632 "scripts and options.\n", argv[0]); 3633 } 3634 } 3635 3636 if (pipe(live_pipe) < 0) { 3637 perror("failed to create pipe"); 3638 return -1; 3639 } 3640 3641 pid = fork(); 3642 if (pid < 0) { 3643 perror("failed to fork"); 3644 return -1; 3645 } 3646 3647 if (!pid) { 3648 j = 0; 3649 3650 dup2(live_pipe[1], 1); 3651 close(live_pipe[0]); 3652 3653 if (is_top_script(argv[0])) { 3654 system_wide = true; 3655 } else if (!system_wide) { 3656 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { 3657 err = -1; 3658 goto out; 3659 } 3660 } 3661 3662 __argv = malloc((argc + 6) * sizeof(const char *)); 3663 if (!__argv) { 3664 pr_err("malloc failed\n"); 3665 err = -ENOMEM; 3666 goto out; 3667 } 3668 3669 __argv[j++] = "/bin/sh"; 3670 __argv[j++] = rec_script_path; 3671 if (system_wide) 3672 __argv[j++] = "-a"; 3673 __argv[j++] = "-q"; 3674 __argv[j++] = "-o"; 3675 __argv[j++] = "-"; 3676 for (i = rep_args + 1; i < argc; i++) 3677 __argv[j++] = argv[i]; 3678 __argv[j++] = NULL; 3679 3680 execvp("/bin/sh", (char **)__argv); 3681 free(__argv); 3682 exit(-1); 3683 } 3684 3685 dup2(live_pipe[0], 0); 3686 close(live_pipe[1]); 3687 3688 __argv = malloc((argc + 4) * sizeof(const char *)); 3689 if (!__argv) { 3690 pr_err("malloc failed\n"); 3691 err = -ENOMEM; 3692 goto out; 3693 } 3694 3695 j = 0; 3696 __argv[j++] = "/bin/sh"; 3697 __argv[j++] = rep_script_path; 3698 for (i = 1; i < rep_args + 1; i++) 3699 __argv[j++] = argv[i]; 3700 __argv[j++] = "-i"; 3701 __argv[j++] = "-"; 3702 __argv[j++] = NULL; 3703 3704 execvp("/bin/sh", (char **)__argv); 3705 free(__argv); 3706 exit(-1); 3707 } 3708 3709 if (rec_script_path) 3710 script_path = rec_script_path; 3711 if (rep_script_path) 3712 script_path = rep_script_path; 3713 3714 if (script_path) { 3715 j = 0; 3716 3717 if (!rec_script_path) 3718 system_wide = false; 3719 else if (!system_wide) { 3720 if (have_cmd(argc - 1, &argv[1]) != 0) { 3721 err = -1; 3722 goto out; 3723 } 3724 } 3725 3726 __argv = malloc((argc + 2) * sizeof(const char *)); 3727 if (!__argv) { 3728 pr_err("malloc failed\n"); 3729 err = -ENOMEM; 3730 goto out; 3731 } 3732 3733 __argv[j++] = "/bin/sh"; 3734 __argv[j++] = script_path; 3735 if (system_wide) 3736 __argv[j++] = "-a"; 3737 for (i = 2; i < argc; i++) 3738 __argv[j++] = argv[i]; 3739 __argv[j++] = NULL; 3740 3741 execvp("/bin/sh", (char **)__argv); 3742 free(__argv); 3743 exit(-1); 3744 } 3745 3746 if (!script_name) { 3747 setup_pager(); 3748 use_browser = 0; 3749 } 3750 3751 session = perf_session__new(&data, false, &script.tool); 3752 if (session == NULL) 3753 return -1; 3754 3755 if (header || header_only) { 3756 script.tool.show_feat_hdr = SHOW_FEAT_HEADER; 3757 perf_session__fprintf_info(session, stdout, show_full_info); 3758 if (header_only) 3759 goto out_delete; 3760 } 3761 if (show_full_info) 3762 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 3763 3764 if (symbol__init(&session->header.env) < 0) 3765 goto out_delete; 3766 3767 uname(&uts); 3768 if (data.is_pipe || /* assume pipe_mode indicates native_arch */ 3769 !strcmp(uts.machine, session->header.env.arch) || 3770 (!strcmp(uts.machine, "x86_64") && 3771 !strcmp(session->header.env.arch, "i386"))) 3772 native_arch = true; 3773 3774 script.session = session; 3775 script__setup_sample_type(&script); 3776 3777 if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) || 3778 symbol_conf.graph_function) 3779 itrace_synth_opts.thread_stack = true; 3780 3781 session->itrace_synth_opts = &itrace_synth_opts; 3782 3783 if (cpu_list) { 3784 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap); 3785 if (err < 0) 3786 goto out_delete; 3787 itrace_synth_opts.cpu_bitmap = cpu_bitmap; 3788 } 3789 3790 if (!no_callchain) 3791 symbol_conf.use_callchain = true; 3792 else 3793 symbol_conf.use_callchain = false; 3794 3795 if (session->tevent.pevent && 3796 tep_set_function_resolver(session->tevent.pevent, 3797 machine__resolve_kernel_addr, 3798 &session->machines.host) < 0) { 3799 pr_err("%s: failed to set libtraceevent function resolver\n", __func__); 3800 err = -1; 3801 goto out_delete; 3802 } 3803 3804 if (generate_script_lang) { 3805 struct stat perf_stat; 3806 int input; 3807 3808 if (output_set_by_user()) { 3809 fprintf(stderr, 3810 "custom fields not supported for generated scripts"); 3811 err = -EINVAL; 3812 goto out_delete; 3813 } 3814 3815 input = open(data.path, O_RDONLY); /* input_name */ 3816 if (input < 0) { 3817 err = -errno; 3818 perror("failed to open file"); 3819 goto out_delete; 3820 } 3821 3822 err = fstat(input, &perf_stat); 3823 if (err < 0) { 3824 perror("failed to stat file"); 3825 goto out_delete; 3826 } 3827 3828 if (!perf_stat.st_size) { 3829 fprintf(stderr, "zero-sized file, nothing to do!\n"); 3830 goto out_delete; 3831 } 3832 3833 scripting_ops = script_spec__lookup(generate_script_lang); 3834 if (!scripting_ops) { 3835 fprintf(stderr, "invalid language specifier"); 3836 err = -ENOENT; 3837 goto out_delete; 3838 } 3839 3840 err = scripting_ops->generate_script(session->tevent.pevent, 3841 "perf-script"); 3842 goto out_delete; 3843 } 3844 3845 if (script_name) { 3846 err = scripting_ops->start_script(script_name, argc, argv); 3847 if (err) 3848 goto out_delete; 3849 pr_debug("perf script started with script %s\n\n", script_name); 3850 script_started = true; 3851 } 3852 3853 3854 err = perf_session__check_output_opt(session); 3855 if (err < 0) 3856 goto out_delete; 3857 3858 if (script.time_str) { 3859 err = perf_time__parse_for_ranges(script.time_str, session, 3860 &script.ptime_range, 3861 &script.range_size, 3862 &script.range_num); 3863 if (err < 0) 3864 goto out_delete; 3865 3866 itrace_synth_opts__set_time_range(&itrace_synth_opts, 3867 script.ptime_range, 3868 script.range_num); 3869 } 3870 3871 err = evswitch__init(&script.evswitch, session->evlist, stderr); 3872 if (err) 3873 goto out_delete; 3874 3875 err = __cmd_script(&script); 3876 3877 flush_scripting(); 3878 3879 out_delete: 3880 if (script.ptime_range) { 3881 itrace_synth_opts__clear_time_range(&itrace_synth_opts); 3882 zfree(&script.ptime_range); 3883 } 3884 3885 perf_evlist__free_stats(session->evlist); 3886 perf_session__delete(session); 3887 3888 if (script_started) 3889 cleanup_scripting(); 3890 out: 3891 return err; 3892 } 3893