1 // SPDX-License-Identifier: GPL-2.0 2 #include "builtin.h" 3 4 #include "util/counts.h" 5 #include "util/debug.h" 6 #include "util/dso.h" 7 #include <subcmd/exec-cmd.h> 8 #include "util/header.h" 9 #include <subcmd/parse-options.h> 10 #include "util/perf_regs.h" 11 #include "util/session.h" 12 #include "util/tool.h" 13 #include "util/map.h" 14 #include "util/srcline.h" 15 #include "util/symbol.h" 16 #include "util/thread.h" 17 #include "util/trace-event.h" 18 #include "util/evlist.h" 19 #include "util/evsel.h" 20 #include "util/evsel_fprintf.h" 21 #include "util/evswitch.h" 22 #include "util/sort.h" 23 #include "util/data.h" 24 #include "util/auxtrace.h" 25 #include "util/cpumap.h" 26 #include "util/thread_map.h" 27 #include "util/stat.h" 28 #include "util/color.h" 29 #include "util/string2.h" 30 #include "util/thread-stack.h" 31 #include "util/time-utils.h" 32 #include "util/path.h" 33 #include "ui/ui.h" 34 #include "print_binary.h" 35 #include "archinsn.h" 36 #include <linux/bitmap.h> 37 #include <linux/kernel.h> 38 #include <linux/stringify.h> 39 #include <linux/time64.h> 40 #include <linux/zalloc.h> 41 #include <sys/utsname.h> 42 #include "asm/bug.h" 43 #include "util/mem-events.h" 44 #include "util/dump-insn.h" 45 #include <dirent.h> 46 #include <errno.h> 47 #include <inttypes.h> 48 #include <signal.h> 49 #include <sys/param.h> 50 #include <sys/types.h> 51 #include <sys/stat.h> 52 #include <fcntl.h> 53 #include <unistd.h> 54 #include <subcmd/pager.h> 55 #include <perf/evlist.h> 56 #include <linux/err.h> 57 #include "util/record.h" 58 #include "util/util.h" 59 #include "perf.h" 60 61 #include <linux/ctype.h> 62 63 static char const *script_name; 64 static char const *generate_script_lang; 65 static bool reltime; 66 static bool deltatime; 67 static u64 initial_time; 68 static u64 previous_time; 69 static bool debug_mode; 70 static u64 last_timestamp; 71 static u64 nr_unordered; 72 static bool no_callchain; 73 static bool latency_format; 74 static bool system_wide; 75 static bool print_flags; 76 static const char *cpu_list; 77 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); 78 static struct perf_stat_config stat_config; 79 static int max_blocks; 80 static bool native_arch; 81 82 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH; 83 84 enum perf_output_field { 85 PERF_OUTPUT_COMM = 1U << 0, 86 PERF_OUTPUT_TID = 1U << 1, 87 PERF_OUTPUT_PID = 1U << 2, 88 PERF_OUTPUT_TIME = 1U << 3, 89 PERF_OUTPUT_CPU = 1U << 4, 90 PERF_OUTPUT_EVNAME = 1U << 5, 91 PERF_OUTPUT_TRACE = 1U << 6, 92 PERF_OUTPUT_IP = 1U << 7, 93 PERF_OUTPUT_SYM = 1U << 8, 94 PERF_OUTPUT_DSO = 1U << 9, 95 PERF_OUTPUT_ADDR = 1U << 10, 96 PERF_OUTPUT_SYMOFFSET = 1U << 11, 97 PERF_OUTPUT_SRCLINE = 1U << 12, 98 PERF_OUTPUT_PERIOD = 1U << 13, 99 PERF_OUTPUT_IREGS = 1U << 14, 100 PERF_OUTPUT_BRSTACK = 1U << 15, 101 PERF_OUTPUT_BRSTACKSYM = 1U << 16, 102 PERF_OUTPUT_DATA_SRC = 1U << 17, 103 PERF_OUTPUT_WEIGHT = 1U << 18, 104 PERF_OUTPUT_BPF_OUTPUT = 1U << 19, 105 PERF_OUTPUT_CALLINDENT = 1U << 20, 106 PERF_OUTPUT_INSN = 1U << 21, 107 PERF_OUTPUT_INSNLEN = 1U << 22, 108 PERF_OUTPUT_BRSTACKINSN = 1U << 23, 109 PERF_OUTPUT_BRSTACKOFF = 1U << 24, 110 PERF_OUTPUT_SYNTH = 1U << 25, 111 PERF_OUTPUT_PHYS_ADDR = 1U << 26, 112 PERF_OUTPUT_UREGS = 1U << 27, 113 PERF_OUTPUT_METRIC = 1U << 28, 114 PERF_OUTPUT_MISC = 1U << 29, 115 PERF_OUTPUT_SRCCODE = 1U << 30, 116 PERF_OUTPUT_IPC = 1U << 31, 117 }; 118 119 struct output_option { 120 const char *str; 121 enum perf_output_field field; 122 } all_output_options[] = { 123 {.str = "comm", .field = PERF_OUTPUT_COMM}, 124 {.str = "tid", .field = PERF_OUTPUT_TID}, 125 {.str = "pid", .field = PERF_OUTPUT_PID}, 126 {.str = "time", .field = PERF_OUTPUT_TIME}, 127 {.str = "cpu", .field = PERF_OUTPUT_CPU}, 128 {.str = "event", .field = PERF_OUTPUT_EVNAME}, 129 {.str = "trace", .field = PERF_OUTPUT_TRACE}, 130 {.str = "ip", .field = PERF_OUTPUT_IP}, 131 {.str = "sym", .field = PERF_OUTPUT_SYM}, 132 {.str = "dso", .field = PERF_OUTPUT_DSO}, 133 {.str = "addr", .field = PERF_OUTPUT_ADDR}, 134 {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET}, 135 {.str = "srcline", .field = PERF_OUTPUT_SRCLINE}, 136 {.str = "period", .field = PERF_OUTPUT_PERIOD}, 137 {.str = "iregs", .field = PERF_OUTPUT_IREGS}, 138 {.str = "uregs", .field = PERF_OUTPUT_UREGS}, 139 {.str = "brstack", .field = PERF_OUTPUT_BRSTACK}, 140 {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM}, 141 {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC}, 142 {.str = "weight", .field = PERF_OUTPUT_WEIGHT}, 143 {.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT}, 144 {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT}, 145 {.str = "insn", .field = PERF_OUTPUT_INSN}, 146 {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN}, 147 {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN}, 148 {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF}, 149 {.str = "synth", .field = PERF_OUTPUT_SYNTH}, 150 {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR}, 151 {.str = "metric", .field = PERF_OUTPUT_METRIC}, 152 {.str = "misc", .field = PERF_OUTPUT_MISC}, 153 {.str = "srccode", .field = PERF_OUTPUT_SRCCODE}, 154 {.str = "ipc", .field = PERF_OUTPUT_IPC}, 155 }; 156 157 enum { 158 OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX, 159 OUTPUT_TYPE_MAX 160 }; 161 162 /* default set to maintain compatibility with current format */ 163 static struct { 164 bool user_set; 165 bool wildcard_set; 166 unsigned int print_ip_opts; 167 u64 fields; 168 u64 invalid_fields; 169 u64 user_set_fields; 170 u64 user_unset_fields; 171 } output[OUTPUT_TYPE_MAX] = { 172 173 [PERF_TYPE_HARDWARE] = { 174 .user_set = false, 175 176 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 177 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 178 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 179 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 180 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 181 182 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 183 }, 184 185 [PERF_TYPE_SOFTWARE] = { 186 .user_set = false, 187 188 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 189 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 190 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 191 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 192 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 193 PERF_OUTPUT_BPF_OUTPUT, 194 195 .invalid_fields = PERF_OUTPUT_TRACE, 196 }, 197 198 [PERF_TYPE_TRACEPOINT] = { 199 .user_set = false, 200 201 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 202 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 203 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE 204 }, 205 206 [PERF_TYPE_HW_CACHE] = { 207 .user_set = false, 208 209 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 210 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 211 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 212 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 213 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 214 215 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 216 }, 217 218 [PERF_TYPE_RAW] = { 219 .user_set = false, 220 221 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 222 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 223 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 224 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 225 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 226 PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC | 227 PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR, 228 229 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 230 }, 231 232 [PERF_TYPE_BREAKPOINT] = { 233 .user_set = false, 234 235 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 236 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 237 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 238 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 239 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 240 241 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 242 }, 243 244 [OUTPUT_TYPE_SYNTH] = { 245 .user_set = false, 246 247 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 248 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 249 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 250 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 251 PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH, 252 253 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 254 }, 255 }; 256 257 struct evsel_script { 258 char *filename; 259 FILE *fp; 260 u64 samples; 261 /* For metric output */ 262 u64 val; 263 int gnum; 264 }; 265 266 static inline struct evsel_script *evsel_script(struct evsel *evsel) 267 { 268 return (struct evsel_script *)evsel->priv; 269 } 270 271 static struct evsel_script *perf_evsel_script__new(struct evsel *evsel, 272 struct perf_data *data) 273 { 274 struct evsel_script *es = zalloc(sizeof(*es)); 275 276 if (es != NULL) { 277 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0) 278 goto out_free; 279 es->fp = fopen(es->filename, "w"); 280 if (es->fp == NULL) 281 goto out_free_filename; 282 } 283 284 return es; 285 out_free_filename: 286 zfree(&es->filename); 287 out_free: 288 free(es); 289 return NULL; 290 } 291 292 static void perf_evsel_script__delete(struct evsel_script *es) 293 { 294 zfree(&es->filename); 295 fclose(es->fp); 296 es->fp = NULL; 297 free(es); 298 } 299 300 static int perf_evsel_script__fprintf(struct evsel_script *es, FILE *fp) 301 { 302 struct stat st; 303 304 fstat(fileno(es->fp), &st); 305 return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n", 306 st.st_size / 1024.0 / 1024.0, es->filename, es->samples); 307 } 308 309 static inline int output_type(unsigned int type) 310 { 311 switch (type) { 312 case PERF_TYPE_SYNTH: 313 return OUTPUT_TYPE_SYNTH; 314 default: 315 return type; 316 } 317 } 318 319 static inline unsigned int attr_type(unsigned int type) 320 { 321 switch (type) { 322 case OUTPUT_TYPE_SYNTH: 323 return PERF_TYPE_SYNTH; 324 default: 325 return type; 326 } 327 } 328 329 static bool output_set_by_user(void) 330 { 331 int j; 332 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 333 if (output[j].user_set) 334 return true; 335 } 336 return false; 337 } 338 339 static const char *output_field2str(enum perf_output_field field) 340 { 341 int i, imax = ARRAY_SIZE(all_output_options); 342 const char *str = ""; 343 344 for (i = 0; i < imax; ++i) { 345 if (all_output_options[i].field == field) { 346 str = all_output_options[i].str; 347 break; 348 } 349 } 350 return str; 351 } 352 353 #define PRINT_FIELD(x) (output[output_type(attr->type)].fields & PERF_OUTPUT_##x) 354 355 static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg, 356 enum perf_output_field field, bool allow_user_set) 357 { 358 struct perf_event_attr *attr = &evsel->core.attr; 359 int type = output_type(attr->type); 360 const char *evname; 361 362 if (attr->sample_type & sample_type) 363 return 0; 364 365 if (output[type].user_set_fields & field) { 366 if (allow_user_set) 367 return 0; 368 evname = evsel__name(evsel); 369 pr_err("Samples for '%s' event do not have %s attribute set. " 370 "Cannot print '%s' field.\n", 371 evname, sample_msg, output_field2str(field)); 372 return -1; 373 } 374 375 /* user did not ask for it explicitly so remove from the default list */ 376 output[type].fields &= ~field; 377 evname = evsel__name(evsel); 378 pr_debug("Samples for '%s' event do not have %s attribute set. " 379 "Skipping '%s' field.\n", 380 evname, sample_msg, output_field2str(field)); 381 382 return 0; 383 } 384 385 static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg, 386 enum perf_output_field field) 387 { 388 return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false); 389 } 390 391 static int evsel__check_attr(struct evsel *evsel, struct perf_session *session) 392 { 393 struct perf_event_attr *attr = &evsel->core.attr; 394 bool allow_user_set; 395 396 if (perf_header__has_feat(&session->header, HEADER_STAT)) 397 return 0; 398 399 allow_user_set = perf_header__has_feat(&session->header, 400 HEADER_AUXTRACE); 401 402 if (PRINT_FIELD(TRACE) && 403 !perf_session__has_traces(session, "record -R")) 404 return -EINVAL; 405 406 if (PRINT_FIELD(IP)) { 407 if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP)) 408 return -EINVAL; 409 } 410 411 if (PRINT_FIELD(ADDR) && 412 evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set)) 413 return -EINVAL; 414 415 if (PRINT_FIELD(DATA_SRC) && 416 evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC)) 417 return -EINVAL; 418 419 if (PRINT_FIELD(WEIGHT) && 420 evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT", PERF_OUTPUT_WEIGHT)) 421 return -EINVAL; 422 423 if (PRINT_FIELD(SYM) && 424 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 425 pr_err("Display of symbols requested but neither sample IP nor " 426 "sample address\navailable. Hence, no addresses to convert " 427 "to symbols.\n"); 428 return -EINVAL; 429 } 430 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) { 431 pr_err("Display of offsets requested but symbol is not" 432 "selected.\n"); 433 return -EINVAL; 434 } 435 if (PRINT_FIELD(DSO) && 436 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 437 pr_err("Display of DSO requested but no address to convert.\n"); 438 return -EINVAL; 439 } 440 if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) { 441 pr_err("Display of source line number requested but sample IP is not\n" 442 "selected. Hence, no address to lookup the source line number.\n"); 443 return -EINVAL; 444 } 445 if (PRINT_FIELD(BRSTACKINSN) && !allow_user_set && 446 !(evlist__combined_branch_type(session->evlist) & 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 evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID)) 453 return -EINVAL; 454 455 if (PRINT_FIELD(TIME) && 456 evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME)) 457 return -EINVAL; 458 459 if (PRINT_FIELD(CPU) && 460 evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set)) 461 return -EINVAL; 462 463 if (PRINT_FIELD(IREGS) && 464 evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set)) 465 return -EINVAL; 466 467 if (PRINT_FIELD(UREGS) && 468 evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS)) 469 return -EINVAL; 470 471 if (PRINT_FIELD(PHYS_ADDR) && 472 evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR)) 473 return -EINVAL; 474 475 return 0; 476 } 477 478 static void set_print_ip_opts(struct perf_event_attr *attr) 479 { 480 unsigned int type = output_type(attr->type); 481 482 output[type].print_ip_opts = 0; 483 if (PRINT_FIELD(IP)) 484 output[type].print_ip_opts |= EVSEL__PRINT_IP; 485 486 if (PRINT_FIELD(SYM)) 487 output[type].print_ip_opts |= EVSEL__PRINT_SYM; 488 489 if (PRINT_FIELD(DSO)) 490 output[type].print_ip_opts |= EVSEL__PRINT_DSO; 491 492 if (PRINT_FIELD(SYMOFFSET)) 493 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET; 494 495 if (PRINT_FIELD(SRCLINE)) 496 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE; 497 } 498 499 /* 500 * verify all user requested events exist and the samples 501 * have the expected data 502 */ 503 static int perf_session__check_output_opt(struct perf_session *session) 504 { 505 unsigned int j; 506 struct evsel *evsel; 507 508 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 509 evsel = perf_session__find_first_evtype(session, attr_type(j)); 510 511 /* 512 * even if fields is set to 0 (ie., show nothing) event must 513 * exist if user explicitly includes it on the command line 514 */ 515 if (!evsel && output[j].user_set && !output[j].wildcard_set && 516 j != OUTPUT_TYPE_SYNTH) { 517 pr_err("%s events do not exist. " 518 "Remove corresponding -F option to proceed.\n", 519 event_type(j)); 520 return -1; 521 } 522 523 if (evsel && output[j].fields && 524 evsel__check_attr(evsel, session)) 525 return -1; 526 527 if (evsel == NULL) 528 continue; 529 530 set_print_ip_opts(&evsel->core.attr); 531 } 532 533 if (!no_callchain) { 534 bool use_callchain = false; 535 bool not_pipe = false; 536 537 evlist__for_each_entry(session->evlist, evsel) { 538 not_pipe = true; 539 if (evsel__has_callchain(evsel)) { 540 use_callchain = true; 541 break; 542 } 543 } 544 if (not_pipe && !use_callchain) 545 symbol_conf.use_callchain = false; 546 } 547 548 /* 549 * set default for tracepoints to print symbols only 550 * if callchains are present 551 */ 552 if (symbol_conf.use_callchain && 553 !output[PERF_TYPE_TRACEPOINT].user_set) { 554 j = PERF_TYPE_TRACEPOINT; 555 556 evlist__for_each_entry(session->evlist, evsel) { 557 if (evsel->core.attr.type != j) 558 continue; 559 560 if (evsel__has_callchain(evsel)) { 561 output[j].fields |= PERF_OUTPUT_IP; 562 output[j].fields |= PERF_OUTPUT_SYM; 563 output[j].fields |= PERF_OUTPUT_SYMOFFSET; 564 output[j].fields |= PERF_OUTPUT_DSO; 565 set_print_ip_opts(&evsel->core.attr); 566 goto out; 567 } 568 } 569 } 570 571 out: 572 return 0; 573 } 574 575 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask, 576 FILE *fp 577 ) 578 { 579 unsigned i = 0, r; 580 int printed = 0; 581 582 if (!regs || !regs->regs) 583 return 0; 584 585 printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi); 586 587 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) { 588 u64 val = regs->regs[i++]; 589 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val); 590 } 591 592 return printed; 593 } 594 595 static int perf_sample__fprintf_iregs(struct perf_sample *sample, 596 struct perf_event_attr *attr, FILE *fp) 597 { 598 return perf_sample__fprintf_regs(&sample->intr_regs, 599 attr->sample_regs_intr, fp); 600 } 601 602 static int perf_sample__fprintf_uregs(struct perf_sample *sample, 603 struct perf_event_attr *attr, FILE *fp) 604 { 605 return perf_sample__fprintf_regs(&sample->user_regs, 606 attr->sample_regs_user, fp); 607 } 608 609 static int perf_sample__fprintf_start(struct perf_sample *sample, 610 struct thread *thread, 611 struct evsel *evsel, 612 u32 type, FILE *fp) 613 { 614 struct perf_event_attr *attr = &evsel->core.attr; 615 unsigned long secs; 616 unsigned long long nsecs; 617 int printed = 0; 618 619 if (PRINT_FIELD(COMM)) { 620 if (latency_format) 621 printed += fprintf(fp, "%8.8s ", thread__comm_str(thread)); 622 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain) 623 printed += fprintf(fp, "%s ", thread__comm_str(thread)); 624 else 625 printed += fprintf(fp, "%16s ", thread__comm_str(thread)); 626 } 627 628 if (PRINT_FIELD(PID) && PRINT_FIELD(TID)) 629 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid); 630 else if (PRINT_FIELD(PID)) 631 printed += fprintf(fp, "%5d ", sample->pid); 632 else if (PRINT_FIELD(TID)) 633 printed += fprintf(fp, "%5d ", sample->tid); 634 635 if (PRINT_FIELD(CPU)) { 636 if (latency_format) 637 printed += fprintf(fp, "%3d ", sample->cpu); 638 else 639 printed += fprintf(fp, "[%03d] ", sample->cpu); 640 } 641 642 if (PRINT_FIELD(MISC)) { 643 int ret = 0; 644 645 #define has(m) \ 646 (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m 647 648 if (has(KERNEL)) 649 ret += fprintf(fp, "K"); 650 if (has(USER)) 651 ret += fprintf(fp, "U"); 652 if (has(HYPERVISOR)) 653 ret += fprintf(fp, "H"); 654 if (has(GUEST_KERNEL)) 655 ret += fprintf(fp, "G"); 656 if (has(GUEST_USER)) 657 ret += fprintf(fp, "g"); 658 659 switch (type) { 660 case PERF_RECORD_MMAP: 661 case PERF_RECORD_MMAP2: 662 if (has(MMAP_DATA)) 663 ret += fprintf(fp, "M"); 664 break; 665 case PERF_RECORD_COMM: 666 if (has(COMM_EXEC)) 667 ret += fprintf(fp, "E"); 668 break; 669 case PERF_RECORD_SWITCH: 670 case PERF_RECORD_SWITCH_CPU_WIDE: 671 if (has(SWITCH_OUT)) { 672 ret += fprintf(fp, "S"); 673 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT) 674 ret += fprintf(fp, "p"); 675 } 676 default: 677 break; 678 } 679 680 #undef has 681 682 ret += fprintf(fp, "%*s", 6 - ret, " "); 683 printed += ret; 684 } 685 686 if (PRINT_FIELD(TIME)) { 687 u64 t = sample->time; 688 if (reltime) { 689 if (!initial_time) 690 initial_time = sample->time; 691 t = sample->time - initial_time; 692 } else if (deltatime) { 693 if (previous_time) 694 t = sample->time - previous_time; 695 else { 696 t = 0; 697 } 698 previous_time = sample->time; 699 } 700 nsecs = t; 701 secs = nsecs / NSEC_PER_SEC; 702 nsecs -= secs * NSEC_PER_SEC; 703 704 if (symbol_conf.nanosecs) 705 printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs); 706 else { 707 char sample_time[32]; 708 timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time)); 709 printed += fprintf(fp, "%12s: ", sample_time); 710 } 711 } 712 713 return printed; 714 } 715 716 static inline char 717 mispred_str(struct branch_entry *br) 718 { 719 if (!(br->flags.mispred || br->flags.predicted)) 720 return '-'; 721 722 return br->flags.predicted ? 'P' : 'M'; 723 } 724 725 static int perf_sample__fprintf_brstack(struct perf_sample *sample, 726 struct thread *thread, 727 struct perf_event_attr *attr, FILE *fp) 728 { 729 struct branch_stack *br = sample->branch_stack; 730 struct branch_entry *entries = perf_sample__branch_entries(sample); 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 = entries[i].from; 740 to = 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(entries + i), 765 entries[i].flags.in_tx ? 'X' : '-', 766 entries[i].flags.abort ? 'A' : '-', 767 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 branch_entry *entries = perf_sample__branch_entries(sample); 779 struct addr_location alf, alt; 780 u64 i, from, to; 781 int printed = 0; 782 783 if (!(br && br->nr)) 784 return 0; 785 786 for (i = 0; i < br->nr; i++) { 787 788 memset(&alf, 0, sizeof(alf)); 789 memset(&alt, 0, sizeof(alt)); 790 from = entries[i].from; 791 to = entries[i].to; 792 793 thread__find_symbol_fb(thread, sample->cpumode, from, &alf); 794 thread__find_symbol_fb(thread, sample->cpumode, to, &alt); 795 796 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp); 797 if (PRINT_FIELD(DSO)) { 798 printed += fprintf(fp, "("); 799 printed += map__fprintf_dsoname(alf.map, fp); 800 printed += fprintf(fp, ")"); 801 } 802 printed += fprintf(fp, "%c", '/'); 803 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp); 804 if (PRINT_FIELD(DSO)) { 805 printed += fprintf(fp, "("); 806 printed += map__fprintf_dsoname(alt.map, fp); 807 printed += fprintf(fp, ")"); 808 } 809 printed += fprintf(fp, "/%c/%c/%c/%d ", 810 mispred_str(entries + i), 811 entries[i].flags.in_tx ? 'X' : '-', 812 entries[i].flags.abort ? 'A' : '-', 813 entries[i].flags.cycles); 814 } 815 816 return printed; 817 } 818 819 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample, 820 struct thread *thread, 821 struct perf_event_attr *attr, FILE *fp) 822 { 823 struct branch_stack *br = sample->branch_stack; 824 struct branch_entry *entries = perf_sample__branch_entries(sample); 825 struct addr_location alf, alt; 826 u64 i, from, to; 827 int printed = 0; 828 829 if (!(br && br->nr)) 830 return 0; 831 832 for (i = 0; i < br->nr; i++) { 833 834 memset(&alf, 0, sizeof(alf)); 835 memset(&alt, 0, sizeof(alt)); 836 from = entries[i].from; 837 to = entries[i].to; 838 839 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) && 840 !alf.map->dso->adjust_symbols) 841 from = map__map_ip(alf.map, from); 842 843 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) && 844 !alt.map->dso->adjust_symbols) 845 to = map__map_ip(alt.map, to); 846 847 printed += fprintf(fp, " 0x%"PRIx64, from); 848 if (PRINT_FIELD(DSO)) { 849 printed += fprintf(fp, "("); 850 printed += map__fprintf_dsoname(alf.map, fp); 851 printed += fprintf(fp, ")"); 852 } 853 printed += fprintf(fp, "/0x%"PRIx64, to); 854 if (PRINT_FIELD(DSO)) { 855 printed += fprintf(fp, "("); 856 printed += map__fprintf_dsoname(alt.map, fp); 857 printed += fprintf(fp, ")"); 858 } 859 printed += fprintf(fp, "/%c/%c/%c/%d ", 860 mispred_str(entries + i), 861 entries[i].flags.in_tx ? 'X' : '-', 862 entries[i].flags.abort ? 'A' : '-', 863 entries[i].flags.cycles); 864 } 865 866 return printed; 867 } 868 #define MAXBB 16384UL 869 870 static int grab_bb(u8 *buffer, u64 start, u64 end, 871 struct machine *machine, struct thread *thread, 872 bool *is64bit, u8 *cpumode, bool last) 873 { 874 long offset, len; 875 struct addr_location al; 876 bool kernel; 877 878 if (!start || !end) 879 return 0; 880 881 kernel = machine__kernel_ip(machine, start); 882 if (kernel) 883 *cpumode = PERF_RECORD_MISC_KERNEL; 884 else 885 *cpumode = PERF_RECORD_MISC_USER; 886 887 /* 888 * Block overlaps between kernel and user. 889 * This can happen due to ring filtering 890 * On Intel CPUs the entry into the kernel is filtered, 891 * but the exit is not. Let the caller patch it up. 892 */ 893 if (kernel != machine__kernel_ip(machine, end)) { 894 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end); 895 return -ENXIO; 896 } 897 898 memset(&al, 0, sizeof(al)); 899 if (end - start > MAXBB - MAXINSN) { 900 if (last) 901 pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end); 902 else 903 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start); 904 return 0; 905 } 906 907 if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) { 908 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 909 return 0; 910 } 911 if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) { 912 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 913 return 0; 914 } 915 916 /* Load maps to ensure dso->is_64_bit has been updated */ 917 map__load(al.map); 918 919 offset = al.map->map_ip(al.map, start); 920 len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer, 921 end - start + MAXINSN); 922 923 *is64bit = al.map->dso->is_64_bit; 924 if (len <= 0) 925 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n", 926 start, end); 927 return len; 928 } 929 930 static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state) 931 { 932 char *srcfile; 933 int ret = 0; 934 unsigned line; 935 int len; 936 char *srccode; 937 938 if (!map || !map->dso) 939 return 0; 940 srcfile = get_srcline_split(map->dso, 941 map__rip_2objdump(map, addr), 942 &line); 943 if (!srcfile) 944 return 0; 945 946 /* Avoid redundant printing */ 947 if (state && 948 state->srcfile && 949 !strcmp(state->srcfile, srcfile) && 950 state->line == line) { 951 free(srcfile); 952 return 0; 953 } 954 955 srccode = find_sourceline(srcfile, line, &len); 956 if (!srccode) 957 goto out_free_line; 958 959 ret = fprintf(fp, "|%-8d %.*s", line, len, srccode); 960 961 if (state) { 962 state->srcfile = srcfile; 963 state->line = line; 964 } 965 return ret; 966 967 out_free_line: 968 free(srcfile); 969 return ret; 970 } 971 972 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr) 973 { 974 struct addr_location al; 975 int ret = 0; 976 977 memset(&al, 0, sizeof(al)); 978 thread__find_map(thread, cpumode, addr, &al); 979 if (!al.map) 980 return 0; 981 ret = map__fprintf_srccode(al.map, al.addr, stdout, 982 &thread->srccode_state); 983 if (ret) 984 ret += printf("\n"); 985 return ret; 986 } 987 988 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en, 989 struct perf_insn *x, u8 *inbuf, int len, 990 int insn, FILE *fp, int *total_cycles) 991 { 992 int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip, 993 dump_insn(x, ip, inbuf, len, NULL), 994 en->flags.predicted ? " PRED" : "", 995 en->flags.mispred ? " MISPRED" : "", 996 en->flags.in_tx ? " INTX" : "", 997 en->flags.abort ? " ABORT" : ""); 998 if (en->flags.cycles) { 999 *total_cycles += en->flags.cycles; 1000 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles); 1001 if (insn) 1002 printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles); 1003 } 1004 return printed + fprintf(fp, "\n"); 1005 } 1006 1007 static int ip__fprintf_sym(uint64_t addr, struct thread *thread, 1008 u8 cpumode, int cpu, struct symbol **lastsym, 1009 struct perf_event_attr *attr, FILE *fp) 1010 { 1011 struct addr_location al; 1012 int off, printed = 0; 1013 1014 memset(&al, 0, sizeof(al)); 1015 1016 thread__find_map(thread, cpumode, addr, &al); 1017 1018 if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end) 1019 return 0; 1020 1021 al.cpu = cpu; 1022 al.sym = NULL; 1023 if (al.map) 1024 al.sym = map__find_symbol(al.map, al.addr); 1025 1026 if (!al.sym) 1027 return 0; 1028 1029 if (al.addr < al.sym->end) 1030 off = al.addr - al.sym->start; 1031 else 1032 off = al.addr - al.map->start - al.sym->start; 1033 printed += fprintf(fp, "\t%s", al.sym->name); 1034 if (off) 1035 printed += fprintf(fp, "%+d", off); 1036 printed += fprintf(fp, ":"); 1037 if (PRINT_FIELD(SRCLINE)) 1038 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp); 1039 printed += fprintf(fp, "\n"); 1040 *lastsym = al.sym; 1041 1042 return printed; 1043 } 1044 1045 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample, 1046 struct thread *thread, 1047 struct perf_event_attr *attr, 1048 struct machine *machine, FILE *fp) 1049 { 1050 struct branch_stack *br = sample->branch_stack; 1051 struct branch_entry *entries = perf_sample__branch_entries(sample); 1052 u64 start, end; 1053 int i, insn, len, nr, ilen, printed = 0; 1054 struct perf_insn x; 1055 u8 buffer[MAXBB]; 1056 unsigned off; 1057 struct symbol *lastsym = NULL; 1058 int total_cycles = 0; 1059 1060 if (!(br && br->nr)) 1061 return 0; 1062 nr = br->nr; 1063 if (max_blocks && nr > max_blocks + 1) 1064 nr = max_blocks + 1; 1065 1066 x.thread = thread; 1067 x.cpu = sample->cpu; 1068 1069 printed += fprintf(fp, "%c", '\n'); 1070 1071 /* Handle first from jump, of which we don't know the entry. */ 1072 len = grab_bb(buffer, entries[nr-1].from, 1073 entries[nr-1].from, 1074 machine, thread, &x.is64bit, &x.cpumode, false); 1075 if (len > 0) { 1076 printed += ip__fprintf_sym(entries[nr - 1].from, thread, 1077 x.cpumode, x.cpu, &lastsym, attr, fp); 1078 printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1], 1079 &x, buffer, len, 0, fp, &total_cycles); 1080 if (PRINT_FIELD(SRCCODE)) 1081 printed += print_srccode(thread, x.cpumode, entries[nr - 1].from); 1082 } 1083 1084 /* Print all blocks */ 1085 for (i = nr - 2; i >= 0; i--) { 1086 if (entries[i].from || entries[i].to) 1087 pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i, 1088 entries[i].from, 1089 entries[i].to); 1090 start = entries[i + 1].to; 1091 end = entries[i].from; 1092 1093 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1094 /* Patch up missing kernel transfers due to ring filters */ 1095 if (len == -ENXIO && i > 0) { 1096 end = entries[--i].from; 1097 pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end); 1098 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1099 } 1100 if (len <= 0) 1101 continue; 1102 1103 insn = 0; 1104 for (off = 0; off < (unsigned)len; off += ilen) { 1105 uint64_t ip = start + off; 1106 1107 printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1108 if (ip == end) { 1109 printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp, 1110 &total_cycles); 1111 if (PRINT_FIELD(SRCCODE)) 1112 printed += print_srccode(thread, x.cpumode, ip); 1113 break; 1114 } else { 1115 ilen = 0; 1116 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip, 1117 dump_insn(&x, ip, buffer + off, len - off, &ilen)); 1118 if (ilen == 0) 1119 break; 1120 if (PRINT_FIELD(SRCCODE)) 1121 print_srccode(thread, x.cpumode, ip); 1122 insn++; 1123 } 1124 } 1125 if (off != end - start) 1126 printed += fprintf(fp, "\tmismatch of LBR data and executable\n"); 1127 } 1128 1129 /* 1130 * Hit the branch? In this case we are already done, and the target 1131 * has not been executed yet. 1132 */ 1133 if (entries[0].from == sample->ip) 1134 goto out; 1135 if (entries[0].flags.abort) 1136 goto out; 1137 1138 /* 1139 * Print final block upto sample 1140 * 1141 * Due to pipeline delays the LBRs might be missing a branch 1142 * or two, which can result in very large or negative blocks 1143 * between final branch and sample. When this happens just 1144 * continue walking after the last TO until we hit a branch. 1145 */ 1146 start = entries[0].to; 1147 end = sample->ip; 1148 if (end < start) { 1149 /* Missing jump. Scan 128 bytes for the next branch */ 1150 end = start + 128; 1151 } 1152 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true); 1153 printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1154 if (len <= 0) { 1155 /* Print at least last IP if basic block did not work */ 1156 len = grab_bb(buffer, sample->ip, sample->ip, 1157 machine, thread, &x.is64bit, &x.cpumode, false); 1158 if (len <= 0) 1159 goto out; 1160 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip, 1161 dump_insn(&x, sample->ip, buffer, len, NULL)); 1162 if (PRINT_FIELD(SRCCODE)) 1163 print_srccode(thread, x.cpumode, sample->ip); 1164 goto out; 1165 } 1166 for (off = 0; off <= end - start; off += ilen) { 1167 ilen = 0; 1168 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off, 1169 dump_insn(&x, start + off, buffer + off, len - off, &ilen)); 1170 if (ilen == 0) 1171 break; 1172 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) { 1173 /* 1174 * Hit a missing branch. Just stop. 1175 */ 1176 printed += fprintf(fp, "\t... not reaching sample ...\n"); 1177 break; 1178 } 1179 if (PRINT_FIELD(SRCCODE)) 1180 print_srccode(thread, x.cpumode, start + off); 1181 } 1182 out: 1183 return printed; 1184 } 1185 1186 static int perf_sample__fprintf_addr(struct perf_sample *sample, 1187 struct thread *thread, 1188 struct perf_event_attr *attr, FILE *fp) 1189 { 1190 struct addr_location al; 1191 int printed = fprintf(fp, "%16" PRIx64, sample->addr); 1192 1193 if (!sample_addr_correlates_sym(attr)) 1194 goto out; 1195 1196 thread__resolve(thread, &al, sample); 1197 1198 if (PRINT_FIELD(SYM)) { 1199 printed += fprintf(fp, " "); 1200 if (PRINT_FIELD(SYMOFFSET)) 1201 printed += symbol__fprintf_symname_offs(al.sym, &al, fp); 1202 else 1203 printed += symbol__fprintf_symname(al.sym, fp); 1204 } 1205 1206 if (PRINT_FIELD(DSO)) { 1207 printed += fprintf(fp, " ("); 1208 printed += map__fprintf_dsoname(al.map, fp); 1209 printed += fprintf(fp, ")"); 1210 } 1211 out: 1212 return printed; 1213 } 1214 1215 static const char *resolve_branch_sym(struct perf_sample *sample, 1216 struct evsel *evsel, 1217 struct thread *thread, 1218 struct addr_location *al, 1219 u64 *ip) 1220 { 1221 struct addr_location addr_al; 1222 struct perf_event_attr *attr = &evsel->core.attr; 1223 const char *name = NULL; 1224 1225 if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) { 1226 if (sample_addr_correlates_sym(attr)) { 1227 thread__resolve(thread, &addr_al, sample); 1228 if (addr_al.sym) 1229 name = addr_al.sym->name; 1230 else 1231 *ip = sample->addr; 1232 } else { 1233 *ip = sample->addr; 1234 } 1235 } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) { 1236 if (al->sym) 1237 name = al->sym->name; 1238 else 1239 *ip = sample->ip; 1240 } 1241 return name; 1242 } 1243 1244 static int perf_sample__fprintf_callindent(struct perf_sample *sample, 1245 struct evsel *evsel, 1246 struct thread *thread, 1247 struct addr_location *al, FILE *fp) 1248 { 1249 struct perf_event_attr *attr = &evsel->core.attr; 1250 size_t depth = thread_stack__depth(thread, sample->cpu); 1251 const char *name = NULL; 1252 static int spacing; 1253 int len = 0; 1254 int dlen = 0; 1255 u64 ip = 0; 1256 1257 /* 1258 * The 'return' has already been popped off the stack so the depth has 1259 * to be adjusted to match the 'call'. 1260 */ 1261 if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN) 1262 depth += 1; 1263 1264 name = resolve_branch_sym(sample, evsel, thread, al, &ip); 1265 1266 if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) { 1267 dlen += fprintf(fp, "("); 1268 dlen += map__fprintf_dsoname(al->map, fp); 1269 dlen += fprintf(fp, ")\t"); 1270 } 1271 1272 if (name) 1273 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name); 1274 else if (ip) 1275 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip); 1276 1277 if (len < 0) 1278 return len; 1279 1280 /* 1281 * Try to keep the output length from changing frequently so that the 1282 * output lines up more nicely. 1283 */ 1284 if (len > spacing || (len && len < spacing - 52)) 1285 spacing = round_up(len + 4, 32); 1286 1287 if (len < spacing) 1288 len += fprintf(fp, "%*s", spacing - len, ""); 1289 1290 return len + dlen; 1291 } 1292 1293 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused, 1294 struct thread *thread __maybe_unused, 1295 struct machine *machine __maybe_unused) 1296 { 1297 } 1298 1299 static int perf_sample__fprintf_insn(struct perf_sample *sample, 1300 struct perf_event_attr *attr, 1301 struct thread *thread, 1302 struct machine *machine, FILE *fp) 1303 { 1304 int printed = 0; 1305 1306 if (sample->insn_len == 0 && native_arch) 1307 arch_fetch_insn(sample, thread, machine); 1308 1309 if (PRINT_FIELD(INSNLEN)) 1310 printed += fprintf(fp, " ilen: %d", sample->insn_len); 1311 if (PRINT_FIELD(INSN) && sample->insn_len) { 1312 int i; 1313 1314 printed += fprintf(fp, " insn:"); 1315 for (i = 0; i < sample->insn_len; i++) 1316 printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]); 1317 } 1318 if (PRINT_FIELD(BRSTACKINSN)) 1319 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp); 1320 1321 return printed; 1322 } 1323 1324 static int perf_sample__fprintf_ipc(struct perf_sample *sample, 1325 struct perf_event_attr *attr, FILE *fp) 1326 { 1327 unsigned int ipc; 1328 1329 if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt) 1330 return 0; 1331 1332 ipc = (sample->insn_cnt * 100) / sample->cyc_cnt; 1333 1334 return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ", 1335 ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt); 1336 } 1337 1338 static int perf_sample__fprintf_bts(struct perf_sample *sample, 1339 struct evsel *evsel, 1340 struct thread *thread, 1341 struct addr_location *al, 1342 struct machine *machine, FILE *fp) 1343 { 1344 struct perf_event_attr *attr = &evsel->core.attr; 1345 unsigned int type = output_type(attr->type); 1346 bool print_srcline_last = false; 1347 int printed = 0; 1348 1349 if (PRINT_FIELD(CALLINDENT)) 1350 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp); 1351 1352 /* print branch_from information */ 1353 if (PRINT_FIELD(IP)) { 1354 unsigned int print_opts = output[type].print_ip_opts; 1355 struct callchain_cursor *cursor = NULL; 1356 1357 if (symbol_conf.use_callchain && sample->callchain && 1358 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 1359 sample, NULL, NULL, scripting_max_stack) == 0) 1360 cursor = &callchain_cursor; 1361 1362 if (cursor == NULL) { 1363 printed += fprintf(fp, " "); 1364 if (print_opts & EVSEL__PRINT_SRCLINE) { 1365 print_srcline_last = true; 1366 print_opts &= ~EVSEL__PRINT_SRCLINE; 1367 } 1368 } else 1369 printed += fprintf(fp, "\n"); 1370 1371 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, 1372 symbol_conf.bt_stop_list, fp); 1373 } 1374 1375 /* print branch_to information */ 1376 if (PRINT_FIELD(ADDR) || 1377 ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 1378 !output[type].user_set)) { 1379 printed += fprintf(fp, " => "); 1380 printed += perf_sample__fprintf_addr(sample, thread, attr, fp); 1381 } 1382 1383 printed += perf_sample__fprintf_ipc(sample, attr, fp); 1384 1385 if (print_srcline_last) 1386 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp); 1387 1388 printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 1389 printed += fprintf(fp, "\n"); 1390 if (PRINT_FIELD(SRCCODE)) { 1391 int ret = map__fprintf_srccode(al->map, al->addr, stdout, 1392 &thread->srccode_state); 1393 if (ret) { 1394 printed += ret; 1395 printed += printf("\n"); 1396 } 1397 } 1398 return printed; 1399 } 1400 1401 static struct { 1402 u32 flags; 1403 const char *name; 1404 } sample_flags[] = { 1405 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"}, 1406 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"}, 1407 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"}, 1408 {PERF_IP_FLAG_BRANCH, "jmp"}, 1409 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"}, 1410 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"}, 1411 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"}, 1412 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"}, 1413 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"}, 1414 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"}, 1415 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"}, 1416 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"}, 1417 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"}, 1418 {0, NULL} 1419 }; 1420 1421 static const char *sample_flags_to_name(u32 flags) 1422 { 1423 int i; 1424 1425 for (i = 0; sample_flags[i].name ; i++) { 1426 if (sample_flags[i].flags == flags) 1427 return sample_flags[i].name; 1428 } 1429 1430 return NULL; 1431 } 1432 1433 static int perf_sample__fprintf_flags(u32 flags, FILE *fp) 1434 { 1435 const char *chars = PERF_IP_FLAG_CHARS; 1436 const int n = strlen(PERF_IP_FLAG_CHARS); 1437 bool in_tx = flags & PERF_IP_FLAG_IN_TX; 1438 const char *name = NULL; 1439 char str[33]; 1440 int i, pos = 0; 1441 1442 name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX); 1443 if (name) 1444 return fprintf(fp, " %-15s%4s ", name, in_tx ? "(x)" : ""); 1445 1446 if (flags & PERF_IP_FLAG_TRACE_BEGIN) { 1447 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN)); 1448 if (name) 1449 return fprintf(fp, " tr strt %-7s%4s ", name, in_tx ? "(x)" : ""); 1450 } 1451 1452 if (flags & PERF_IP_FLAG_TRACE_END) { 1453 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END)); 1454 if (name) 1455 return fprintf(fp, " tr end %-7s%4s ", name, in_tx ? "(x)" : ""); 1456 } 1457 1458 for (i = 0; i < n; i++, flags >>= 1) { 1459 if (flags & 1) 1460 str[pos++] = chars[i]; 1461 } 1462 for (; i < 32; i++, flags >>= 1) { 1463 if (flags & 1) 1464 str[pos++] = '?'; 1465 } 1466 str[pos] = 0; 1467 1468 return fprintf(fp, " %-19s ", str); 1469 } 1470 1471 struct printer_data { 1472 int line_no; 1473 bool hit_nul; 1474 bool is_printable; 1475 }; 1476 1477 static int sample__fprintf_bpf_output(enum binary_printer_ops op, 1478 unsigned int val, 1479 void *extra, FILE *fp) 1480 { 1481 unsigned char ch = (unsigned char)val; 1482 struct printer_data *printer_data = extra; 1483 int printed = 0; 1484 1485 switch (op) { 1486 case BINARY_PRINT_DATA_BEGIN: 1487 printed += fprintf(fp, "\n"); 1488 break; 1489 case BINARY_PRINT_LINE_BEGIN: 1490 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" : 1491 " "); 1492 break; 1493 case BINARY_PRINT_ADDR: 1494 printed += fprintf(fp, " %04x:", val); 1495 break; 1496 case BINARY_PRINT_NUM_DATA: 1497 printed += fprintf(fp, " %02x", val); 1498 break; 1499 case BINARY_PRINT_NUM_PAD: 1500 printed += fprintf(fp, " "); 1501 break; 1502 case BINARY_PRINT_SEP: 1503 printed += fprintf(fp, " "); 1504 break; 1505 case BINARY_PRINT_CHAR_DATA: 1506 if (printer_data->hit_nul && ch) 1507 printer_data->is_printable = false; 1508 1509 if (!isprint(ch)) { 1510 printed += fprintf(fp, "%c", '.'); 1511 1512 if (!printer_data->is_printable) 1513 break; 1514 1515 if (ch == '\0') 1516 printer_data->hit_nul = true; 1517 else 1518 printer_data->is_printable = false; 1519 } else { 1520 printed += fprintf(fp, "%c", ch); 1521 } 1522 break; 1523 case BINARY_PRINT_CHAR_PAD: 1524 printed += fprintf(fp, " "); 1525 break; 1526 case BINARY_PRINT_LINE_END: 1527 printed += fprintf(fp, "\n"); 1528 printer_data->line_no++; 1529 break; 1530 case BINARY_PRINT_DATA_END: 1531 default: 1532 break; 1533 } 1534 1535 return printed; 1536 } 1537 1538 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp) 1539 { 1540 unsigned int nr_bytes = sample->raw_size; 1541 struct printer_data printer_data = {0, false, true}; 1542 int printed = binary__fprintf(sample->raw_data, nr_bytes, 8, 1543 sample__fprintf_bpf_output, &printer_data, fp); 1544 1545 if (printer_data.is_printable && printer_data.hit_nul) 1546 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data)); 1547 1548 return printed; 1549 } 1550 1551 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp) 1552 { 1553 if (len > 0 && len < spacing) 1554 return fprintf(fp, "%*s", spacing - len, ""); 1555 1556 return 0; 1557 } 1558 1559 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp) 1560 { 1561 return perf_sample__fprintf_spacing(len, 34, fp); 1562 } 1563 1564 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp) 1565 { 1566 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample); 1567 int len; 1568 1569 if (perf_sample__bad_synth_size(sample, *data)) 1570 return 0; 1571 1572 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ", 1573 data->ip, le64_to_cpu(data->payload)); 1574 return len + perf_sample__fprintf_pt_spacing(len, fp); 1575 } 1576 1577 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp) 1578 { 1579 struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample); 1580 int len; 1581 1582 if (perf_sample__bad_synth_size(sample, *data)) 1583 return 0; 1584 1585 len = fprintf(fp, " hints: %#x extensions: %#x ", 1586 data->hints, data->extensions); 1587 return len + perf_sample__fprintf_pt_spacing(len, fp); 1588 } 1589 1590 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp) 1591 { 1592 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample); 1593 int len; 1594 1595 if (perf_sample__bad_synth_size(sample, *data)) 1596 return 0; 1597 1598 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ", 1599 data->hw, data->cstate, data->subcstate); 1600 return len + perf_sample__fprintf_pt_spacing(len, fp); 1601 } 1602 1603 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp) 1604 { 1605 struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample); 1606 int len; 1607 1608 if (perf_sample__bad_synth_size(sample, *data)) 1609 return 0; 1610 1611 len = fprintf(fp, " IP: %u ", data->ip); 1612 return len + perf_sample__fprintf_pt_spacing(len, fp); 1613 } 1614 1615 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp) 1616 { 1617 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample); 1618 int len; 1619 1620 if (perf_sample__bad_synth_size(sample, *data)) 1621 return 0; 1622 1623 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ", 1624 data->deepest_cstate, data->last_cstate, 1625 data->wake_reason); 1626 return len + perf_sample__fprintf_pt_spacing(len, fp); 1627 } 1628 1629 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp) 1630 { 1631 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample); 1632 unsigned int percent, freq; 1633 int len; 1634 1635 if (perf_sample__bad_synth_size(sample, *data)) 1636 return 0; 1637 1638 freq = (le32_to_cpu(data->freq) + 500) / 1000; 1639 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq); 1640 if (data->max_nonturbo) { 1641 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10; 1642 len += fprintf(fp, "(%3u%%) ", percent); 1643 } 1644 return len + perf_sample__fprintf_pt_spacing(len, fp); 1645 } 1646 1647 static int perf_sample__fprintf_synth(struct perf_sample *sample, 1648 struct evsel *evsel, FILE *fp) 1649 { 1650 switch (evsel->core.attr.config) { 1651 case PERF_SYNTH_INTEL_PTWRITE: 1652 return perf_sample__fprintf_synth_ptwrite(sample, fp); 1653 case PERF_SYNTH_INTEL_MWAIT: 1654 return perf_sample__fprintf_synth_mwait(sample, fp); 1655 case PERF_SYNTH_INTEL_PWRE: 1656 return perf_sample__fprintf_synth_pwre(sample, fp); 1657 case PERF_SYNTH_INTEL_EXSTOP: 1658 return perf_sample__fprintf_synth_exstop(sample, fp); 1659 case PERF_SYNTH_INTEL_PWRX: 1660 return perf_sample__fprintf_synth_pwrx(sample, fp); 1661 case PERF_SYNTH_INTEL_CBR: 1662 return perf_sample__fprintf_synth_cbr(sample, fp); 1663 default: 1664 break; 1665 } 1666 1667 return 0; 1668 } 1669 1670 struct perf_script { 1671 struct perf_tool tool; 1672 struct perf_session *session; 1673 bool show_task_events; 1674 bool show_mmap_events; 1675 bool show_switch_events; 1676 bool show_namespace_events; 1677 bool show_lost_events; 1678 bool show_round_events; 1679 bool show_bpf_events; 1680 bool show_cgroup_events; 1681 bool show_text_poke_events; 1682 bool allocated; 1683 bool per_event_dump; 1684 bool stitch_lbr; 1685 struct evswitch evswitch; 1686 struct perf_cpu_map *cpus; 1687 struct perf_thread_map *threads; 1688 int name_width; 1689 const char *time_str; 1690 struct perf_time_interval *ptime_range; 1691 int range_size; 1692 int range_num; 1693 }; 1694 1695 static int evlist__max_name_len(struct evlist *evlist) 1696 { 1697 struct evsel *evsel; 1698 int max = 0; 1699 1700 evlist__for_each_entry(evlist, evsel) { 1701 int len = strlen(evsel__name(evsel)); 1702 1703 max = MAX(len, max); 1704 } 1705 1706 return max; 1707 } 1708 1709 static int data_src__fprintf(u64 data_src, FILE *fp) 1710 { 1711 struct mem_info mi = { .data_src.val = data_src }; 1712 char decode[100]; 1713 char out[100]; 1714 static int maxlen; 1715 int len; 1716 1717 perf_script__meminfo_scnprintf(decode, 100, &mi); 1718 1719 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode); 1720 if (maxlen < len) 1721 maxlen = len; 1722 1723 return fprintf(fp, "%-*s", maxlen, out); 1724 } 1725 1726 struct metric_ctx { 1727 struct perf_sample *sample; 1728 struct thread *thread; 1729 struct evsel *evsel; 1730 FILE *fp; 1731 }; 1732 1733 static void script_print_metric(struct perf_stat_config *config __maybe_unused, 1734 void *ctx, const char *color, 1735 const char *fmt, 1736 const char *unit, double val) 1737 { 1738 struct metric_ctx *mctx = ctx; 1739 1740 if (!fmt) 1741 return; 1742 perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel, 1743 PERF_RECORD_SAMPLE, mctx->fp); 1744 fputs("\tmetric: ", mctx->fp); 1745 if (color) 1746 color_fprintf(mctx->fp, color, fmt, val); 1747 else 1748 printf(fmt, val); 1749 fprintf(mctx->fp, " %s\n", unit); 1750 } 1751 1752 static void script_new_line(struct perf_stat_config *config __maybe_unused, 1753 void *ctx) 1754 { 1755 struct metric_ctx *mctx = ctx; 1756 1757 perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel, 1758 PERF_RECORD_SAMPLE, mctx->fp); 1759 fputs("\tmetric: ", mctx->fp); 1760 } 1761 1762 static void perf_sample__fprint_metric(struct perf_script *script, 1763 struct thread *thread, 1764 struct evsel *evsel, 1765 struct perf_sample *sample, 1766 FILE *fp) 1767 { 1768 struct perf_stat_output_ctx ctx = { 1769 .print_metric = script_print_metric, 1770 .new_line = script_new_line, 1771 .ctx = &(struct metric_ctx) { 1772 .sample = sample, 1773 .thread = thread, 1774 .evsel = evsel, 1775 .fp = fp, 1776 }, 1777 .force_header = false, 1778 }; 1779 struct evsel *ev2; 1780 u64 val; 1781 1782 if (!evsel->stats) 1783 perf_evlist__alloc_stats(script->session->evlist, false); 1784 if (evsel_script(evsel->leader)->gnum++ == 0) 1785 perf_stat__reset_shadow_stats(); 1786 val = sample->period * evsel->scale; 1787 perf_stat__update_shadow_stats(evsel, 1788 val, 1789 sample->cpu, 1790 &rt_stat); 1791 evsel_script(evsel)->val = val; 1792 if (evsel_script(evsel->leader)->gnum == evsel->leader->core.nr_members) { 1793 for_each_group_member (ev2, evsel->leader) { 1794 perf_stat__print_shadow_stats(&stat_config, ev2, 1795 evsel_script(ev2)->val, 1796 sample->cpu, 1797 &ctx, 1798 NULL, 1799 &rt_stat); 1800 } 1801 evsel_script(evsel->leader)->gnum = 0; 1802 } 1803 } 1804 1805 static bool show_event(struct perf_sample *sample, 1806 struct evsel *evsel, 1807 struct thread *thread, 1808 struct addr_location *al) 1809 { 1810 int depth = thread_stack__depth(thread, sample->cpu); 1811 1812 if (!symbol_conf.graph_function) 1813 return true; 1814 1815 if (thread->filter) { 1816 if (depth <= thread->filter_entry_depth) { 1817 thread->filter = false; 1818 return false; 1819 } 1820 return true; 1821 } else { 1822 const char *s = symbol_conf.graph_function; 1823 u64 ip; 1824 const char *name = resolve_branch_sym(sample, evsel, thread, al, 1825 &ip); 1826 unsigned nlen; 1827 1828 if (!name) 1829 return false; 1830 nlen = strlen(name); 1831 while (*s) { 1832 unsigned len = strcspn(s, ","); 1833 if (nlen == len && !strncmp(name, s, len)) { 1834 thread->filter = true; 1835 thread->filter_entry_depth = depth; 1836 return true; 1837 } 1838 s += len; 1839 if (*s == ',') 1840 s++; 1841 } 1842 return false; 1843 } 1844 } 1845 1846 static void process_event(struct perf_script *script, 1847 struct perf_sample *sample, struct evsel *evsel, 1848 struct addr_location *al, 1849 struct machine *machine) 1850 { 1851 struct thread *thread = al->thread; 1852 struct perf_event_attr *attr = &evsel->core.attr; 1853 unsigned int type = output_type(attr->type); 1854 struct evsel_script *es = evsel->priv; 1855 FILE *fp = es->fp; 1856 1857 if (output[type].fields == 0) 1858 return; 1859 1860 if (!show_event(sample, evsel, thread, al)) 1861 return; 1862 1863 if (evswitch__discard(&script->evswitch, evsel)) 1864 return; 1865 1866 ++es->samples; 1867 1868 perf_sample__fprintf_start(sample, thread, evsel, 1869 PERF_RECORD_SAMPLE, fp); 1870 1871 if (PRINT_FIELD(PERIOD)) 1872 fprintf(fp, "%10" PRIu64 " ", sample->period); 1873 1874 if (PRINT_FIELD(EVNAME)) { 1875 const char *evname = evsel__name(evsel); 1876 1877 if (!script->name_width) 1878 script->name_width = evlist__max_name_len(script->session->evlist); 1879 1880 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]"); 1881 } 1882 1883 if (print_flags) 1884 perf_sample__fprintf_flags(sample->flags, fp); 1885 1886 if (is_bts_event(attr)) { 1887 perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp); 1888 return; 1889 } 1890 1891 if (PRINT_FIELD(TRACE) && sample->raw_data) { 1892 event_format__fprintf(evsel->tp_format, sample->cpu, 1893 sample->raw_data, sample->raw_size, fp); 1894 } 1895 1896 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH)) 1897 perf_sample__fprintf_synth(sample, evsel, fp); 1898 1899 if (PRINT_FIELD(ADDR)) 1900 perf_sample__fprintf_addr(sample, thread, attr, fp); 1901 1902 if (PRINT_FIELD(DATA_SRC)) 1903 data_src__fprintf(sample->data_src, fp); 1904 1905 if (PRINT_FIELD(WEIGHT)) 1906 fprintf(fp, "%16" PRIu64, sample->weight); 1907 1908 if (PRINT_FIELD(IP)) { 1909 struct callchain_cursor *cursor = NULL; 1910 1911 if (script->stitch_lbr) 1912 al->thread->lbr_stitch_enable = true; 1913 1914 if (symbol_conf.use_callchain && sample->callchain && 1915 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 1916 sample, NULL, NULL, scripting_max_stack) == 0) 1917 cursor = &callchain_cursor; 1918 1919 fputc(cursor ? '\n' : ' ', fp); 1920 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, 1921 symbol_conf.bt_stop_list, fp); 1922 } 1923 1924 if (PRINT_FIELD(IREGS)) 1925 perf_sample__fprintf_iregs(sample, attr, fp); 1926 1927 if (PRINT_FIELD(UREGS)) 1928 perf_sample__fprintf_uregs(sample, attr, fp); 1929 1930 if (PRINT_FIELD(BRSTACK)) 1931 perf_sample__fprintf_brstack(sample, thread, attr, fp); 1932 else if (PRINT_FIELD(BRSTACKSYM)) 1933 perf_sample__fprintf_brstacksym(sample, thread, attr, fp); 1934 else if (PRINT_FIELD(BRSTACKOFF)) 1935 perf_sample__fprintf_brstackoff(sample, thread, attr, fp); 1936 1937 if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT)) 1938 perf_sample__fprintf_bpf_output(sample, fp); 1939 perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 1940 1941 if (PRINT_FIELD(PHYS_ADDR)) 1942 fprintf(fp, "%16" PRIx64, sample->phys_addr); 1943 1944 perf_sample__fprintf_ipc(sample, attr, fp); 1945 1946 fprintf(fp, "\n"); 1947 1948 if (PRINT_FIELD(SRCCODE)) { 1949 if (map__fprintf_srccode(al->map, al->addr, stdout, 1950 &thread->srccode_state)) 1951 printf("\n"); 1952 } 1953 1954 if (PRINT_FIELD(METRIC)) 1955 perf_sample__fprint_metric(script, thread, evsel, sample, fp); 1956 1957 if (verbose) 1958 fflush(fp); 1959 } 1960 1961 static struct scripting_ops *scripting_ops; 1962 1963 static void __process_stat(struct evsel *counter, u64 tstamp) 1964 { 1965 int nthreads = perf_thread_map__nr(counter->core.threads); 1966 int ncpus = evsel__nr_cpus(counter); 1967 int cpu, thread; 1968 static int header_printed; 1969 1970 if (counter->core.system_wide) 1971 nthreads = 1; 1972 1973 if (!header_printed) { 1974 printf("%3s %8s %15s %15s %15s %15s %s\n", 1975 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT"); 1976 header_printed = 1; 1977 } 1978 1979 for (thread = 0; thread < nthreads; thread++) { 1980 for (cpu = 0; cpu < ncpus; cpu++) { 1981 struct perf_counts_values *counts; 1982 1983 counts = perf_counts(counter->counts, cpu, thread); 1984 1985 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n", 1986 counter->core.cpus->map[cpu], 1987 perf_thread_map__pid(counter->core.threads, thread), 1988 counts->val, 1989 counts->ena, 1990 counts->run, 1991 tstamp, 1992 evsel__name(counter)); 1993 } 1994 } 1995 } 1996 1997 static void process_stat(struct evsel *counter, u64 tstamp) 1998 { 1999 if (scripting_ops && scripting_ops->process_stat) 2000 scripting_ops->process_stat(&stat_config, counter, tstamp); 2001 else 2002 __process_stat(counter, tstamp); 2003 } 2004 2005 static void process_stat_interval(u64 tstamp) 2006 { 2007 if (scripting_ops && scripting_ops->process_stat_interval) 2008 scripting_ops->process_stat_interval(tstamp); 2009 } 2010 2011 static void setup_scripting(void) 2012 { 2013 setup_perl_scripting(); 2014 setup_python_scripting(); 2015 } 2016 2017 static int flush_scripting(void) 2018 { 2019 return scripting_ops ? scripting_ops->flush_script() : 0; 2020 } 2021 2022 static int cleanup_scripting(void) 2023 { 2024 pr_debug("\nperf script stopped\n"); 2025 2026 return scripting_ops ? scripting_ops->stop_script() : 0; 2027 } 2028 2029 static bool filter_cpu(struct perf_sample *sample) 2030 { 2031 if (cpu_list && sample->cpu != (u32)-1) 2032 return !test_bit(sample->cpu, cpu_bitmap); 2033 return false; 2034 } 2035 2036 static int process_sample_event(struct perf_tool *tool, 2037 union perf_event *event, 2038 struct perf_sample *sample, 2039 struct evsel *evsel, 2040 struct machine *machine) 2041 { 2042 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2043 struct addr_location al; 2044 2045 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num, 2046 sample->time)) { 2047 return 0; 2048 } 2049 2050 if (debug_mode) { 2051 if (sample->time < last_timestamp) { 2052 pr_err("Samples misordered, previous: %" PRIu64 2053 " this: %" PRIu64 "\n", last_timestamp, 2054 sample->time); 2055 nr_unordered++; 2056 } 2057 last_timestamp = sample->time; 2058 return 0; 2059 } 2060 2061 if (machine__resolve(machine, &al, sample) < 0) { 2062 pr_err("problem processing %d event, skipping it.\n", 2063 event->header.type); 2064 return -1; 2065 } 2066 2067 if (al.filtered) 2068 goto out_put; 2069 2070 if (filter_cpu(sample)) 2071 goto out_put; 2072 2073 if (scripting_ops) 2074 scripting_ops->process_event(event, sample, evsel, &al); 2075 else 2076 process_event(scr, sample, evsel, &al, machine); 2077 2078 out_put: 2079 addr_location__put(&al); 2080 return 0; 2081 } 2082 2083 static int process_attr(struct perf_tool *tool, union perf_event *event, 2084 struct evlist **pevlist) 2085 { 2086 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2087 struct evlist *evlist; 2088 struct evsel *evsel, *pos; 2089 u64 sample_type; 2090 int err; 2091 static struct evsel_script *es; 2092 2093 err = perf_event__process_attr(tool, event, pevlist); 2094 if (err) 2095 return err; 2096 2097 evlist = *pevlist; 2098 evsel = evlist__last(*pevlist); 2099 2100 if (!evsel->priv) { 2101 if (scr->per_event_dump) { 2102 evsel->priv = perf_evsel_script__new(evsel, 2103 scr->session->data); 2104 } else { 2105 es = zalloc(sizeof(*es)); 2106 if (!es) 2107 return -ENOMEM; 2108 es->fp = stdout; 2109 evsel->priv = es; 2110 } 2111 } 2112 2113 if (evsel->core.attr.type >= PERF_TYPE_MAX && 2114 evsel->core.attr.type != PERF_TYPE_SYNTH) 2115 return 0; 2116 2117 evlist__for_each_entry(evlist, pos) { 2118 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel) 2119 return 0; 2120 } 2121 2122 if (evsel->core.attr.sample_type) { 2123 err = evsel__check_attr(evsel, scr->session); 2124 if (err) 2125 return err; 2126 } 2127 2128 /* 2129 * Check if we need to enable callchains based 2130 * on events sample_type. 2131 */ 2132 sample_type = evlist__combined_sample_type(evlist); 2133 callchain_param_setup(sample_type); 2134 2135 /* Enable fields for callchain entries */ 2136 if (symbol_conf.use_callchain && 2137 (sample_type & PERF_SAMPLE_CALLCHAIN || 2138 sample_type & PERF_SAMPLE_BRANCH_STACK || 2139 (sample_type & PERF_SAMPLE_REGS_USER && 2140 sample_type & PERF_SAMPLE_STACK_USER))) { 2141 int type = output_type(evsel->core.attr.type); 2142 2143 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP)) 2144 output[type].fields |= PERF_OUTPUT_IP; 2145 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM)) 2146 output[type].fields |= PERF_OUTPUT_SYM; 2147 } 2148 set_print_ip_opts(&evsel->core.attr); 2149 return 0; 2150 } 2151 2152 static int print_event_with_time(struct perf_tool *tool, 2153 union perf_event *event, 2154 struct perf_sample *sample, 2155 struct machine *machine, 2156 pid_t pid, pid_t tid, u64 timestamp) 2157 { 2158 struct perf_script *script = container_of(tool, struct perf_script, tool); 2159 struct perf_session *session = script->session; 2160 struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2161 struct thread *thread = NULL; 2162 2163 if (evsel && !evsel->core.attr.sample_id_all) { 2164 sample->cpu = 0; 2165 sample->time = timestamp; 2166 sample->pid = pid; 2167 sample->tid = tid; 2168 } 2169 2170 if (filter_cpu(sample)) 2171 return 0; 2172 2173 if (tid != -1) 2174 thread = machine__findnew_thread(machine, pid, tid); 2175 2176 if (thread && evsel) { 2177 perf_sample__fprintf_start(sample, thread, evsel, 2178 event->header.type, stdout); 2179 } 2180 2181 perf_event__fprintf(event, machine, stdout); 2182 2183 thread__put(thread); 2184 2185 return 0; 2186 } 2187 2188 static int print_event(struct perf_tool *tool, union perf_event *event, 2189 struct perf_sample *sample, struct machine *machine, 2190 pid_t pid, pid_t tid) 2191 { 2192 return print_event_with_time(tool, event, sample, machine, pid, tid, 0); 2193 } 2194 2195 static int process_comm_event(struct perf_tool *tool, 2196 union perf_event *event, 2197 struct perf_sample *sample, 2198 struct machine *machine) 2199 { 2200 if (perf_event__process_comm(tool, event, sample, machine) < 0) 2201 return -1; 2202 2203 return print_event(tool, event, sample, machine, event->comm.pid, 2204 event->comm.tid); 2205 } 2206 2207 static int process_namespaces_event(struct perf_tool *tool, 2208 union perf_event *event, 2209 struct perf_sample *sample, 2210 struct machine *machine) 2211 { 2212 if (perf_event__process_namespaces(tool, event, sample, machine) < 0) 2213 return -1; 2214 2215 return print_event(tool, event, sample, machine, event->namespaces.pid, 2216 event->namespaces.tid); 2217 } 2218 2219 static int process_cgroup_event(struct perf_tool *tool, 2220 union perf_event *event, 2221 struct perf_sample *sample, 2222 struct machine *machine) 2223 { 2224 if (perf_event__process_cgroup(tool, event, sample, machine) < 0) 2225 return -1; 2226 2227 return print_event(tool, event, sample, machine, sample->pid, 2228 sample->tid); 2229 } 2230 2231 static int process_fork_event(struct perf_tool *tool, 2232 union perf_event *event, 2233 struct perf_sample *sample, 2234 struct machine *machine) 2235 { 2236 if (perf_event__process_fork(tool, event, sample, machine) < 0) 2237 return -1; 2238 2239 return print_event_with_time(tool, event, sample, machine, 2240 event->fork.pid, event->fork.tid, 2241 event->fork.time); 2242 } 2243 static int process_exit_event(struct perf_tool *tool, 2244 union perf_event *event, 2245 struct perf_sample *sample, 2246 struct machine *machine) 2247 { 2248 /* Print before 'exit' deletes anything */ 2249 if (print_event_with_time(tool, event, sample, machine, event->fork.pid, 2250 event->fork.tid, event->fork.time)) 2251 return -1; 2252 2253 return perf_event__process_exit(tool, event, sample, machine); 2254 } 2255 2256 static int process_mmap_event(struct perf_tool *tool, 2257 union perf_event *event, 2258 struct perf_sample *sample, 2259 struct machine *machine) 2260 { 2261 if (perf_event__process_mmap(tool, event, sample, machine) < 0) 2262 return -1; 2263 2264 return print_event(tool, event, sample, machine, event->mmap.pid, 2265 event->mmap.tid); 2266 } 2267 2268 static int process_mmap2_event(struct perf_tool *tool, 2269 union perf_event *event, 2270 struct perf_sample *sample, 2271 struct machine *machine) 2272 { 2273 if (perf_event__process_mmap2(tool, event, sample, machine) < 0) 2274 return -1; 2275 2276 return print_event(tool, event, sample, machine, event->mmap2.pid, 2277 event->mmap2.tid); 2278 } 2279 2280 static int process_switch_event(struct perf_tool *tool, 2281 union perf_event *event, 2282 struct perf_sample *sample, 2283 struct machine *machine) 2284 { 2285 struct perf_script *script = container_of(tool, struct perf_script, tool); 2286 2287 if (perf_event__process_switch(tool, event, sample, machine) < 0) 2288 return -1; 2289 2290 if (scripting_ops && scripting_ops->process_switch) 2291 scripting_ops->process_switch(event, sample, machine); 2292 2293 if (!script->show_switch_events) 2294 return 0; 2295 2296 return print_event(tool, event, sample, machine, sample->pid, 2297 sample->tid); 2298 } 2299 2300 static int 2301 process_lost_event(struct perf_tool *tool, 2302 union perf_event *event, 2303 struct perf_sample *sample, 2304 struct machine *machine) 2305 { 2306 return print_event(tool, event, sample, machine, sample->pid, 2307 sample->tid); 2308 } 2309 2310 static int 2311 process_finished_round_event(struct perf_tool *tool __maybe_unused, 2312 union perf_event *event, 2313 struct ordered_events *oe __maybe_unused) 2314 2315 { 2316 perf_event__fprintf(event, NULL, stdout); 2317 return 0; 2318 } 2319 2320 static int 2321 process_bpf_events(struct perf_tool *tool __maybe_unused, 2322 union perf_event *event, 2323 struct perf_sample *sample, 2324 struct machine *machine) 2325 { 2326 if (machine__process_ksymbol(machine, event, sample) < 0) 2327 return -1; 2328 2329 return print_event(tool, event, sample, machine, sample->pid, 2330 sample->tid); 2331 } 2332 2333 static int process_text_poke_events(struct perf_tool *tool, 2334 union perf_event *event, 2335 struct perf_sample *sample, 2336 struct machine *machine) 2337 { 2338 if (perf_event__process_text_poke(tool, event, sample, machine) < 0) 2339 return -1; 2340 2341 return print_event(tool, event, sample, machine, sample->pid, 2342 sample->tid); 2343 } 2344 2345 static void sig_handler(int sig __maybe_unused) 2346 { 2347 session_done = 1; 2348 } 2349 2350 static void perf_script__fclose_per_event_dump(struct perf_script *script) 2351 { 2352 struct evlist *evlist = script->session->evlist; 2353 struct evsel *evsel; 2354 2355 evlist__for_each_entry(evlist, evsel) { 2356 if (!evsel->priv) 2357 break; 2358 perf_evsel_script__delete(evsel->priv); 2359 evsel->priv = NULL; 2360 } 2361 } 2362 2363 static int perf_script__fopen_per_event_dump(struct perf_script *script) 2364 { 2365 struct evsel *evsel; 2366 2367 evlist__for_each_entry(script->session->evlist, evsel) { 2368 /* 2369 * Already setup? I.e. we may be called twice in cases like 2370 * Intel PT, one for the intel_pt// and dummy events, then 2371 * for the evsels syntheized from the auxtrace info. 2372 * 2373 * Ses perf_script__process_auxtrace_info. 2374 */ 2375 if (evsel->priv != NULL) 2376 continue; 2377 2378 evsel->priv = perf_evsel_script__new(evsel, script->session->data); 2379 if (evsel->priv == NULL) 2380 goto out_err_fclose; 2381 } 2382 2383 return 0; 2384 2385 out_err_fclose: 2386 perf_script__fclose_per_event_dump(script); 2387 return -1; 2388 } 2389 2390 static int perf_script__setup_per_event_dump(struct perf_script *script) 2391 { 2392 struct evsel *evsel; 2393 static struct evsel_script es_stdout; 2394 2395 if (script->per_event_dump) 2396 return perf_script__fopen_per_event_dump(script); 2397 2398 es_stdout.fp = stdout; 2399 2400 evlist__for_each_entry(script->session->evlist, evsel) 2401 evsel->priv = &es_stdout; 2402 2403 return 0; 2404 } 2405 2406 static void perf_script__exit_per_event_dump_stats(struct perf_script *script) 2407 { 2408 struct evsel *evsel; 2409 2410 evlist__for_each_entry(script->session->evlist, evsel) { 2411 struct evsel_script *es = evsel->priv; 2412 2413 perf_evsel_script__fprintf(es, stdout); 2414 perf_evsel_script__delete(es); 2415 evsel->priv = NULL; 2416 } 2417 } 2418 2419 static int __cmd_script(struct perf_script *script) 2420 { 2421 int ret; 2422 2423 signal(SIGINT, sig_handler); 2424 2425 perf_stat__init_shadow_stats(); 2426 2427 /* override event processing functions */ 2428 if (script->show_task_events) { 2429 script->tool.comm = process_comm_event; 2430 script->tool.fork = process_fork_event; 2431 script->tool.exit = process_exit_event; 2432 } 2433 if (script->show_mmap_events) { 2434 script->tool.mmap = process_mmap_event; 2435 script->tool.mmap2 = process_mmap2_event; 2436 } 2437 if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch)) 2438 script->tool.context_switch = process_switch_event; 2439 if (script->show_namespace_events) 2440 script->tool.namespaces = process_namespaces_event; 2441 if (script->show_cgroup_events) 2442 script->tool.cgroup = process_cgroup_event; 2443 if (script->show_lost_events) 2444 script->tool.lost = process_lost_event; 2445 if (script->show_round_events) { 2446 script->tool.ordered_events = false; 2447 script->tool.finished_round = process_finished_round_event; 2448 } 2449 if (script->show_bpf_events) { 2450 script->tool.ksymbol = process_bpf_events; 2451 script->tool.bpf = process_bpf_events; 2452 } 2453 if (script->show_text_poke_events) { 2454 script->tool.ksymbol = process_bpf_events; 2455 script->tool.text_poke = process_text_poke_events; 2456 } 2457 2458 if (perf_script__setup_per_event_dump(script)) { 2459 pr_err("Couldn't create the per event dump files\n"); 2460 return -1; 2461 } 2462 2463 ret = perf_session__process_events(script->session); 2464 2465 if (script->per_event_dump) 2466 perf_script__exit_per_event_dump_stats(script); 2467 2468 if (debug_mode) 2469 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); 2470 2471 return ret; 2472 } 2473 2474 struct script_spec { 2475 struct list_head node; 2476 struct scripting_ops *ops; 2477 char spec[]; 2478 }; 2479 2480 static LIST_HEAD(script_specs); 2481 2482 static struct script_spec *script_spec__new(const char *spec, 2483 struct scripting_ops *ops) 2484 { 2485 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); 2486 2487 if (s != NULL) { 2488 strcpy(s->spec, spec); 2489 s->ops = ops; 2490 } 2491 2492 return s; 2493 } 2494 2495 static void script_spec__add(struct script_spec *s) 2496 { 2497 list_add_tail(&s->node, &script_specs); 2498 } 2499 2500 static struct script_spec *script_spec__find(const char *spec) 2501 { 2502 struct script_spec *s; 2503 2504 list_for_each_entry(s, &script_specs, node) 2505 if (strcasecmp(s->spec, spec) == 0) 2506 return s; 2507 return NULL; 2508 } 2509 2510 int script_spec_register(const char *spec, struct scripting_ops *ops) 2511 { 2512 struct script_spec *s; 2513 2514 s = script_spec__find(spec); 2515 if (s) 2516 return -1; 2517 2518 s = script_spec__new(spec, ops); 2519 if (!s) 2520 return -1; 2521 else 2522 script_spec__add(s); 2523 2524 return 0; 2525 } 2526 2527 static struct scripting_ops *script_spec__lookup(const char *spec) 2528 { 2529 struct script_spec *s = script_spec__find(spec); 2530 if (!s) 2531 return NULL; 2532 2533 return s->ops; 2534 } 2535 2536 static void list_available_languages(void) 2537 { 2538 struct script_spec *s; 2539 2540 fprintf(stderr, "\n"); 2541 fprintf(stderr, "Scripting language extensions (used in " 2542 "perf script -s [spec:]script.[spec]):\n\n"); 2543 2544 list_for_each_entry(s, &script_specs, node) 2545 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); 2546 2547 fprintf(stderr, "\n"); 2548 } 2549 2550 static int parse_scriptname(const struct option *opt __maybe_unused, 2551 const char *str, int unset __maybe_unused) 2552 { 2553 char spec[PATH_MAX]; 2554 const char *script, *ext; 2555 int len; 2556 2557 if (strcmp(str, "lang") == 0) { 2558 list_available_languages(); 2559 exit(0); 2560 } 2561 2562 script = strchr(str, ':'); 2563 if (script) { 2564 len = script - str; 2565 if (len >= PATH_MAX) { 2566 fprintf(stderr, "invalid language specifier"); 2567 return -1; 2568 } 2569 strncpy(spec, str, len); 2570 spec[len] = '\0'; 2571 scripting_ops = script_spec__lookup(spec); 2572 if (!scripting_ops) { 2573 fprintf(stderr, "invalid language specifier"); 2574 return -1; 2575 } 2576 script++; 2577 } else { 2578 script = str; 2579 ext = strrchr(script, '.'); 2580 if (!ext) { 2581 fprintf(stderr, "invalid script extension"); 2582 return -1; 2583 } 2584 scripting_ops = script_spec__lookup(++ext); 2585 if (!scripting_ops) { 2586 fprintf(stderr, "invalid script extension"); 2587 return -1; 2588 } 2589 } 2590 2591 script_name = strdup(script); 2592 2593 return 0; 2594 } 2595 2596 static int parse_output_fields(const struct option *opt __maybe_unused, 2597 const char *arg, int unset __maybe_unused) 2598 { 2599 char *tok, *strtok_saveptr = NULL; 2600 int i, imax = ARRAY_SIZE(all_output_options); 2601 int j; 2602 int rc = 0; 2603 char *str = strdup(arg); 2604 int type = -1; 2605 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT; 2606 2607 if (!str) 2608 return -ENOMEM; 2609 2610 /* first word can state for which event type the user is specifying 2611 * the fields. If no type exists, the specified fields apply to all 2612 * event types found in the file minus the invalid fields for a type. 2613 */ 2614 tok = strchr(str, ':'); 2615 if (tok) { 2616 *tok = '\0'; 2617 tok++; 2618 if (!strcmp(str, "hw")) 2619 type = PERF_TYPE_HARDWARE; 2620 else if (!strcmp(str, "sw")) 2621 type = PERF_TYPE_SOFTWARE; 2622 else if (!strcmp(str, "trace")) 2623 type = PERF_TYPE_TRACEPOINT; 2624 else if (!strcmp(str, "raw")) 2625 type = PERF_TYPE_RAW; 2626 else if (!strcmp(str, "break")) 2627 type = PERF_TYPE_BREAKPOINT; 2628 else if (!strcmp(str, "synth")) 2629 type = OUTPUT_TYPE_SYNTH; 2630 else { 2631 fprintf(stderr, "Invalid event type in field string.\n"); 2632 rc = -EINVAL; 2633 goto out; 2634 } 2635 2636 if (output[type].user_set) 2637 pr_warning("Overriding previous field request for %s events.\n", 2638 event_type(type)); 2639 2640 /* Don't override defaults for +- */ 2641 if (strchr(tok, '+') || strchr(tok, '-')) 2642 goto parse; 2643 2644 output[type].fields = 0; 2645 output[type].user_set = true; 2646 output[type].wildcard_set = false; 2647 2648 } else { 2649 tok = str; 2650 if (strlen(str) == 0) { 2651 fprintf(stderr, 2652 "Cannot set fields to 'none' for all event types.\n"); 2653 rc = -EINVAL; 2654 goto out; 2655 } 2656 2657 /* Don't override defaults for +- */ 2658 if (strchr(str, '+') || strchr(str, '-')) 2659 goto parse; 2660 2661 if (output_set_by_user()) 2662 pr_warning("Overriding previous field request for all events.\n"); 2663 2664 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 2665 output[j].fields = 0; 2666 output[j].user_set = true; 2667 output[j].wildcard_set = true; 2668 } 2669 } 2670 2671 parse: 2672 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) { 2673 if (*tok == '+') { 2674 if (change == SET) 2675 goto out_badmix; 2676 change = ADD; 2677 tok++; 2678 } else if (*tok == '-') { 2679 if (change == SET) 2680 goto out_badmix; 2681 change = REMOVE; 2682 tok++; 2683 } else { 2684 if (change != SET && change != DEFAULT) 2685 goto out_badmix; 2686 change = SET; 2687 } 2688 2689 for (i = 0; i < imax; ++i) { 2690 if (strcmp(tok, all_output_options[i].str) == 0) 2691 break; 2692 } 2693 if (i == imax && strcmp(tok, "flags") == 0) { 2694 print_flags = change == REMOVE ? false : true; 2695 continue; 2696 } 2697 if (i == imax) { 2698 fprintf(stderr, "Invalid field requested.\n"); 2699 rc = -EINVAL; 2700 goto out; 2701 } 2702 2703 if (type == -1) { 2704 /* add user option to all events types for 2705 * which it is valid 2706 */ 2707 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 2708 if (output[j].invalid_fields & all_output_options[i].field) { 2709 pr_warning("\'%s\' not valid for %s events. Ignoring.\n", 2710 all_output_options[i].str, event_type(j)); 2711 } else { 2712 if (change == REMOVE) { 2713 output[j].fields &= ~all_output_options[i].field; 2714 output[j].user_set_fields &= ~all_output_options[i].field; 2715 output[j].user_unset_fields |= all_output_options[i].field; 2716 } else { 2717 output[j].fields |= all_output_options[i].field; 2718 output[j].user_set_fields |= all_output_options[i].field; 2719 output[j].user_unset_fields &= ~all_output_options[i].field; 2720 } 2721 output[j].user_set = true; 2722 output[j].wildcard_set = true; 2723 } 2724 } 2725 } else { 2726 if (output[type].invalid_fields & all_output_options[i].field) { 2727 fprintf(stderr, "\'%s\' not valid for %s events.\n", 2728 all_output_options[i].str, event_type(type)); 2729 2730 rc = -EINVAL; 2731 goto out; 2732 } 2733 if (change == REMOVE) 2734 output[type].fields &= ~all_output_options[i].field; 2735 else 2736 output[type].fields |= all_output_options[i].field; 2737 output[type].user_set = true; 2738 output[type].wildcard_set = true; 2739 } 2740 } 2741 2742 if (type >= 0) { 2743 if (output[type].fields == 0) { 2744 pr_debug("No fields requested for %s type. " 2745 "Events will not be displayed.\n", event_type(type)); 2746 } 2747 } 2748 goto out; 2749 2750 out_badmix: 2751 fprintf(stderr, "Cannot mix +-field with overridden fields\n"); 2752 rc = -EINVAL; 2753 out: 2754 free(str); 2755 return rc; 2756 } 2757 2758 #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \ 2759 while ((lang_dirent = readdir(scripts_dir)) != NULL) \ 2760 if ((lang_dirent->d_type == DT_DIR || \ 2761 (lang_dirent->d_type == DT_UNKNOWN && \ 2762 is_directory(scripts_path, lang_dirent))) && \ 2763 (strcmp(lang_dirent->d_name, ".")) && \ 2764 (strcmp(lang_dirent->d_name, ".."))) 2765 2766 #define for_each_script(lang_path, lang_dir, script_dirent) \ 2767 while ((script_dirent = readdir(lang_dir)) != NULL) \ 2768 if (script_dirent->d_type != DT_DIR && \ 2769 (script_dirent->d_type != DT_UNKNOWN || \ 2770 !is_directory(lang_path, script_dirent))) 2771 2772 2773 #define RECORD_SUFFIX "-record" 2774 #define REPORT_SUFFIX "-report" 2775 2776 struct script_desc { 2777 struct list_head node; 2778 char *name; 2779 char *half_liner; 2780 char *args; 2781 }; 2782 2783 static LIST_HEAD(script_descs); 2784 2785 static struct script_desc *script_desc__new(const char *name) 2786 { 2787 struct script_desc *s = zalloc(sizeof(*s)); 2788 2789 if (s != NULL && name) 2790 s->name = strdup(name); 2791 2792 return s; 2793 } 2794 2795 static void script_desc__delete(struct script_desc *s) 2796 { 2797 zfree(&s->name); 2798 zfree(&s->half_liner); 2799 zfree(&s->args); 2800 free(s); 2801 } 2802 2803 static void script_desc__add(struct script_desc *s) 2804 { 2805 list_add_tail(&s->node, &script_descs); 2806 } 2807 2808 static struct script_desc *script_desc__find(const char *name) 2809 { 2810 struct script_desc *s; 2811 2812 list_for_each_entry(s, &script_descs, node) 2813 if (strcasecmp(s->name, name) == 0) 2814 return s; 2815 return NULL; 2816 } 2817 2818 static struct script_desc *script_desc__findnew(const char *name) 2819 { 2820 struct script_desc *s = script_desc__find(name); 2821 2822 if (s) 2823 return s; 2824 2825 s = script_desc__new(name); 2826 if (!s) 2827 return NULL; 2828 2829 script_desc__add(s); 2830 2831 return s; 2832 } 2833 2834 static const char *ends_with(const char *str, const char *suffix) 2835 { 2836 size_t suffix_len = strlen(suffix); 2837 const char *p = str; 2838 2839 if (strlen(str) > suffix_len) { 2840 p = str + strlen(str) - suffix_len; 2841 if (!strncmp(p, suffix, suffix_len)) 2842 return p; 2843 } 2844 2845 return NULL; 2846 } 2847 2848 static int read_script_info(struct script_desc *desc, const char *filename) 2849 { 2850 char line[BUFSIZ], *p; 2851 FILE *fp; 2852 2853 fp = fopen(filename, "r"); 2854 if (!fp) 2855 return -1; 2856 2857 while (fgets(line, sizeof(line), fp)) { 2858 p = skip_spaces(line); 2859 if (strlen(p) == 0) 2860 continue; 2861 if (*p != '#') 2862 continue; 2863 p++; 2864 if (strlen(p) && *p == '!') 2865 continue; 2866 2867 p = skip_spaces(p); 2868 if (strlen(p) && p[strlen(p) - 1] == '\n') 2869 p[strlen(p) - 1] = '\0'; 2870 2871 if (!strncmp(p, "description:", strlen("description:"))) { 2872 p += strlen("description:"); 2873 desc->half_liner = strdup(skip_spaces(p)); 2874 continue; 2875 } 2876 2877 if (!strncmp(p, "args:", strlen("args:"))) { 2878 p += strlen("args:"); 2879 desc->args = strdup(skip_spaces(p)); 2880 continue; 2881 } 2882 } 2883 2884 fclose(fp); 2885 2886 return 0; 2887 } 2888 2889 static char *get_script_root(struct dirent *script_dirent, const char *suffix) 2890 { 2891 char *script_root, *str; 2892 2893 script_root = strdup(script_dirent->d_name); 2894 if (!script_root) 2895 return NULL; 2896 2897 str = (char *)ends_with(script_root, suffix); 2898 if (!str) { 2899 free(script_root); 2900 return NULL; 2901 } 2902 2903 *str = '\0'; 2904 return script_root; 2905 } 2906 2907 static int list_available_scripts(const struct option *opt __maybe_unused, 2908 const char *s __maybe_unused, 2909 int unset __maybe_unused) 2910 { 2911 struct dirent *script_dirent, *lang_dirent; 2912 char scripts_path[MAXPATHLEN]; 2913 DIR *scripts_dir, *lang_dir; 2914 char script_path[MAXPATHLEN]; 2915 char lang_path[MAXPATHLEN]; 2916 struct script_desc *desc; 2917 char first_half[BUFSIZ]; 2918 char *script_root; 2919 2920 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 2921 2922 scripts_dir = opendir(scripts_path); 2923 if (!scripts_dir) { 2924 fprintf(stdout, 2925 "open(%s) failed.\n" 2926 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n", 2927 scripts_path); 2928 exit(-1); 2929 } 2930 2931 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 2932 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 2933 lang_dirent->d_name); 2934 lang_dir = opendir(lang_path); 2935 if (!lang_dir) 2936 continue; 2937 2938 for_each_script(lang_path, lang_dir, script_dirent) { 2939 script_root = get_script_root(script_dirent, REPORT_SUFFIX); 2940 if (script_root) { 2941 desc = script_desc__findnew(script_root); 2942 scnprintf(script_path, MAXPATHLEN, "%s/%s", 2943 lang_path, script_dirent->d_name); 2944 read_script_info(desc, script_path); 2945 free(script_root); 2946 } 2947 } 2948 } 2949 2950 fprintf(stdout, "List of available trace scripts:\n"); 2951 list_for_each_entry(desc, &script_descs, node) { 2952 sprintf(first_half, "%s %s", desc->name, 2953 desc->args ? desc->args : ""); 2954 fprintf(stdout, " %-36s %s\n", first_half, 2955 desc->half_liner ? desc->half_liner : ""); 2956 } 2957 2958 exit(0); 2959 } 2960 2961 /* 2962 * Some scripts specify the required events in their "xxx-record" file, 2963 * this function will check if the events in perf.data match those 2964 * mentioned in the "xxx-record". 2965 * 2966 * Fixme: All existing "xxx-record" are all in good formats "-e event ", 2967 * which is covered well now. And new parsing code should be added to 2968 * cover the future complexing formats like event groups etc. 2969 */ 2970 static int check_ev_match(char *dir_name, char *scriptname, 2971 struct perf_session *session) 2972 { 2973 char filename[MAXPATHLEN], evname[128]; 2974 char line[BUFSIZ], *p; 2975 struct evsel *pos; 2976 int match, len; 2977 FILE *fp; 2978 2979 scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname); 2980 2981 fp = fopen(filename, "r"); 2982 if (!fp) 2983 return -1; 2984 2985 while (fgets(line, sizeof(line), fp)) { 2986 p = skip_spaces(line); 2987 if (*p == '#') 2988 continue; 2989 2990 while (strlen(p)) { 2991 p = strstr(p, "-e"); 2992 if (!p) 2993 break; 2994 2995 p += 2; 2996 p = skip_spaces(p); 2997 len = strcspn(p, " \t"); 2998 if (!len) 2999 break; 3000 3001 snprintf(evname, len + 1, "%s", p); 3002 3003 match = 0; 3004 evlist__for_each_entry(session->evlist, pos) { 3005 if (!strcmp(evsel__name(pos), evname)) { 3006 match = 1; 3007 break; 3008 } 3009 } 3010 3011 if (!match) { 3012 fclose(fp); 3013 return -1; 3014 } 3015 } 3016 } 3017 3018 fclose(fp); 3019 return 0; 3020 } 3021 3022 /* 3023 * Return -1 if none is found, otherwise the actual scripts number. 3024 * 3025 * Currently the only user of this function is the script browser, which 3026 * will list all statically runnable scripts, select one, execute it and 3027 * show the output in a perf browser. 3028 */ 3029 int find_scripts(char **scripts_array, char **scripts_path_array, int num, 3030 int pathlen) 3031 { 3032 struct dirent *script_dirent, *lang_dirent; 3033 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; 3034 DIR *scripts_dir, *lang_dir; 3035 struct perf_session *session; 3036 struct perf_data data = { 3037 .path = input_name, 3038 .mode = PERF_DATA_MODE_READ, 3039 }; 3040 char *temp; 3041 int i = 0; 3042 3043 session = perf_session__new(&data, false, NULL); 3044 if (IS_ERR(session)) 3045 return PTR_ERR(session); 3046 3047 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3048 3049 scripts_dir = opendir(scripts_path); 3050 if (!scripts_dir) { 3051 perf_session__delete(session); 3052 return -1; 3053 } 3054 3055 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3056 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, 3057 lang_dirent->d_name); 3058 #ifndef HAVE_LIBPERL_SUPPORT 3059 if (strstr(lang_path, "perl")) 3060 continue; 3061 #endif 3062 #ifndef HAVE_LIBPYTHON_SUPPORT 3063 if (strstr(lang_path, "python")) 3064 continue; 3065 #endif 3066 3067 lang_dir = opendir(lang_path); 3068 if (!lang_dir) 3069 continue; 3070 3071 for_each_script(lang_path, lang_dir, script_dirent) { 3072 /* Skip those real time scripts: xxxtop.p[yl] */ 3073 if (strstr(script_dirent->d_name, "top.")) 3074 continue; 3075 if (i >= num) 3076 break; 3077 snprintf(scripts_path_array[i], pathlen, "%s/%s", 3078 lang_path, 3079 script_dirent->d_name); 3080 temp = strchr(script_dirent->d_name, '.'); 3081 snprintf(scripts_array[i], 3082 (temp - script_dirent->d_name) + 1, 3083 "%s", script_dirent->d_name); 3084 3085 if (check_ev_match(lang_path, 3086 scripts_array[i], session)) 3087 continue; 3088 3089 i++; 3090 } 3091 closedir(lang_dir); 3092 } 3093 3094 closedir(scripts_dir); 3095 perf_session__delete(session); 3096 return i; 3097 } 3098 3099 static char *get_script_path(const char *script_root, const char *suffix) 3100 { 3101 struct dirent *script_dirent, *lang_dirent; 3102 char scripts_path[MAXPATHLEN]; 3103 char script_path[MAXPATHLEN]; 3104 DIR *scripts_dir, *lang_dir; 3105 char lang_path[MAXPATHLEN]; 3106 char *__script_root; 3107 3108 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3109 3110 scripts_dir = opendir(scripts_path); 3111 if (!scripts_dir) 3112 return NULL; 3113 3114 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3115 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3116 lang_dirent->d_name); 3117 lang_dir = opendir(lang_path); 3118 if (!lang_dir) 3119 continue; 3120 3121 for_each_script(lang_path, lang_dir, script_dirent) { 3122 __script_root = get_script_root(script_dirent, suffix); 3123 if (__script_root && !strcmp(script_root, __script_root)) { 3124 free(__script_root); 3125 closedir(scripts_dir); 3126 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3127 lang_path, script_dirent->d_name); 3128 closedir(lang_dir); 3129 return strdup(script_path); 3130 } 3131 free(__script_root); 3132 } 3133 closedir(lang_dir); 3134 } 3135 closedir(scripts_dir); 3136 3137 return NULL; 3138 } 3139 3140 static bool is_top_script(const char *script_path) 3141 { 3142 return ends_with(script_path, "top") == NULL ? false : true; 3143 } 3144 3145 static int has_required_arg(char *script_path) 3146 { 3147 struct script_desc *desc; 3148 int n_args = 0; 3149 char *p; 3150 3151 desc = script_desc__new(NULL); 3152 3153 if (read_script_info(desc, script_path)) 3154 goto out; 3155 3156 if (!desc->args) 3157 goto out; 3158 3159 for (p = desc->args; *p; p++) 3160 if (*p == '<') 3161 n_args++; 3162 out: 3163 script_desc__delete(desc); 3164 3165 return n_args; 3166 } 3167 3168 static int have_cmd(int argc, const char **argv) 3169 { 3170 char **__argv = malloc(sizeof(const char *) * argc); 3171 3172 if (!__argv) { 3173 pr_err("malloc failed\n"); 3174 return -1; 3175 } 3176 3177 memcpy(__argv, argv, sizeof(const char *) * argc); 3178 argc = parse_options(argc, (const char **)__argv, record_options, 3179 NULL, PARSE_OPT_STOP_AT_NON_OPTION); 3180 free(__argv); 3181 3182 system_wide = (argc == 0); 3183 3184 return 0; 3185 } 3186 3187 static void script__setup_sample_type(struct perf_script *script) 3188 { 3189 struct perf_session *session = script->session; 3190 u64 sample_type = evlist__combined_sample_type(session->evlist); 3191 3192 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) { 3193 if ((sample_type & PERF_SAMPLE_REGS_USER) && 3194 (sample_type & PERF_SAMPLE_STACK_USER)) { 3195 callchain_param.record_mode = CALLCHAIN_DWARF; 3196 dwarf_callchain_users = true; 3197 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK) 3198 callchain_param.record_mode = CALLCHAIN_LBR; 3199 else 3200 callchain_param.record_mode = CALLCHAIN_FP; 3201 } 3202 3203 if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) { 3204 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n" 3205 "Please apply --call-graph lbr when recording.\n"); 3206 script->stitch_lbr = false; 3207 } 3208 } 3209 3210 static int process_stat_round_event(struct perf_session *session, 3211 union perf_event *event) 3212 { 3213 struct perf_record_stat_round *round = &event->stat_round; 3214 struct evsel *counter; 3215 3216 evlist__for_each_entry(session->evlist, counter) { 3217 perf_stat_process_counter(&stat_config, counter); 3218 process_stat(counter, round->time); 3219 } 3220 3221 process_stat_interval(round->time); 3222 return 0; 3223 } 3224 3225 static int process_stat_config_event(struct perf_session *session __maybe_unused, 3226 union perf_event *event) 3227 { 3228 perf_event__read_stat_config(&stat_config, &event->stat_config); 3229 return 0; 3230 } 3231 3232 static int set_maps(struct perf_script *script) 3233 { 3234 struct evlist *evlist = script->session->evlist; 3235 3236 if (!script->cpus || !script->threads) 3237 return 0; 3238 3239 if (WARN_ONCE(script->allocated, "stats double allocation\n")) 3240 return -EINVAL; 3241 3242 perf_evlist__set_maps(&evlist->core, script->cpus, script->threads); 3243 3244 if (perf_evlist__alloc_stats(evlist, true)) 3245 return -ENOMEM; 3246 3247 script->allocated = true; 3248 return 0; 3249 } 3250 3251 static 3252 int process_thread_map_event(struct perf_session *session, 3253 union perf_event *event) 3254 { 3255 struct perf_tool *tool = session->tool; 3256 struct perf_script *script = container_of(tool, struct perf_script, tool); 3257 3258 if (script->threads) { 3259 pr_warning("Extra thread map event, ignoring.\n"); 3260 return 0; 3261 } 3262 3263 script->threads = thread_map__new_event(&event->thread_map); 3264 if (!script->threads) 3265 return -ENOMEM; 3266 3267 return set_maps(script); 3268 } 3269 3270 static 3271 int process_cpu_map_event(struct perf_session *session, 3272 union perf_event *event) 3273 { 3274 struct perf_tool *tool = session->tool; 3275 struct perf_script *script = container_of(tool, struct perf_script, tool); 3276 3277 if (script->cpus) { 3278 pr_warning("Extra cpu map event, ignoring.\n"); 3279 return 0; 3280 } 3281 3282 script->cpus = cpu_map__new_data(&event->cpu_map.data); 3283 if (!script->cpus) 3284 return -ENOMEM; 3285 3286 return set_maps(script); 3287 } 3288 3289 static int process_feature_event(struct perf_session *session, 3290 union perf_event *event) 3291 { 3292 if (event->feat.feat_id < HEADER_LAST_FEATURE) 3293 return perf_event__process_feature(session, event); 3294 return 0; 3295 } 3296 3297 #ifdef HAVE_AUXTRACE_SUPPORT 3298 static int perf_script__process_auxtrace_info(struct perf_session *session, 3299 union perf_event *event) 3300 { 3301 struct perf_tool *tool = session->tool; 3302 3303 int ret = perf_event__process_auxtrace_info(session, event); 3304 3305 if (ret == 0) { 3306 struct perf_script *script = container_of(tool, struct perf_script, tool); 3307 3308 ret = perf_script__setup_per_event_dump(script); 3309 } 3310 3311 return ret; 3312 } 3313 #else 3314 #define perf_script__process_auxtrace_info 0 3315 #endif 3316 3317 static int parse_insn_trace(const struct option *opt __maybe_unused, 3318 const char *str __maybe_unused, 3319 int unset __maybe_unused) 3320 { 3321 parse_output_fields(NULL, "+insn,-event,-period", 0); 3322 itrace_parse_synth_opts(opt, "i0ns", 0); 3323 symbol_conf.nanosecs = true; 3324 return 0; 3325 } 3326 3327 static int parse_xed(const struct option *opt __maybe_unused, 3328 const char *str __maybe_unused, 3329 int unset __maybe_unused) 3330 { 3331 if (isatty(1)) 3332 force_pager("xed -F insn: -A -64 | less"); 3333 else 3334 force_pager("xed -F insn: -A -64"); 3335 return 0; 3336 } 3337 3338 static int parse_call_trace(const struct option *opt __maybe_unused, 3339 const char *str __maybe_unused, 3340 int unset __maybe_unused) 3341 { 3342 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0); 3343 itrace_parse_synth_opts(opt, "cewp", 0); 3344 symbol_conf.nanosecs = true; 3345 symbol_conf.pad_output_len_dso = 50; 3346 return 0; 3347 } 3348 3349 static int parse_callret_trace(const struct option *opt __maybe_unused, 3350 const char *str __maybe_unused, 3351 int unset __maybe_unused) 3352 { 3353 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0); 3354 itrace_parse_synth_opts(opt, "crewp", 0); 3355 symbol_conf.nanosecs = true; 3356 return 0; 3357 } 3358 3359 int cmd_script(int argc, const char **argv) 3360 { 3361 bool show_full_info = false; 3362 bool header = false; 3363 bool header_only = false; 3364 bool script_started = false; 3365 char *rec_script_path = NULL; 3366 char *rep_script_path = NULL; 3367 struct perf_session *session; 3368 struct itrace_synth_opts itrace_synth_opts = { 3369 .set = false, 3370 .default_no_sample = true, 3371 }; 3372 struct utsname uts; 3373 char *script_path = NULL; 3374 const char **__argv; 3375 int i, j, err = 0; 3376 struct perf_script script = { 3377 .tool = { 3378 .sample = process_sample_event, 3379 .mmap = perf_event__process_mmap, 3380 .mmap2 = perf_event__process_mmap2, 3381 .comm = perf_event__process_comm, 3382 .namespaces = perf_event__process_namespaces, 3383 .cgroup = perf_event__process_cgroup, 3384 .exit = perf_event__process_exit, 3385 .fork = perf_event__process_fork, 3386 .attr = process_attr, 3387 .event_update = perf_event__process_event_update, 3388 .tracing_data = perf_event__process_tracing_data, 3389 .feature = process_feature_event, 3390 .build_id = perf_event__process_build_id, 3391 .id_index = perf_event__process_id_index, 3392 .auxtrace_info = perf_script__process_auxtrace_info, 3393 .auxtrace = perf_event__process_auxtrace, 3394 .auxtrace_error = perf_event__process_auxtrace_error, 3395 .stat = perf_event__process_stat_event, 3396 .stat_round = process_stat_round_event, 3397 .stat_config = process_stat_config_event, 3398 .thread_map = process_thread_map_event, 3399 .cpu_map = process_cpu_map_event, 3400 .ordered_events = true, 3401 .ordering_requires_timestamps = true, 3402 }, 3403 }; 3404 struct perf_data data = { 3405 .mode = PERF_DATA_MODE_READ, 3406 }; 3407 const struct option options[] = { 3408 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 3409 "dump raw trace in ASCII"), 3410 OPT_INCR('v', "verbose", &verbose, 3411 "be more verbose (show symbol address, etc)"), 3412 OPT_BOOLEAN('L', "Latency", &latency_format, 3413 "show latency attributes (irqs/preemption disabled, etc)"), 3414 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", 3415 list_available_scripts), 3416 OPT_CALLBACK('s', "script", NULL, "name", 3417 "script file name (lang:script name, script name, or *)", 3418 parse_scriptname), 3419 OPT_STRING('g', "gen-script", &generate_script_lang, "lang", 3420 "generate perf-script.xx script in specified language"), 3421 OPT_STRING('i', "input", &input_name, "file", "input file name"), 3422 OPT_BOOLEAN('d', "debug-mode", &debug_mode, 3423 "do various checks like samples ordering and lost events"), 3424 OPT_BOOLEAN(0, "header", &header, "Show data header."), 3425 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."), 3426 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 3427 "file", "vmlinux pathname"), 3428 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 3429 "file", "kallsyms pathname"), 3430 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, 3431 "When printing symbols do not display call chain"), 3432 OPT_CALLBACK(0, "symfs", NULL, "directory", 3433 "Look for files with symbols relative to this directory", 3434 symbol__config_symfs), 3435 OPT_CALLBACK('F', "fields", NULL, "str", 3436 "comma separated output fields prepend with 'type:'. " 3437 "+field to add and -field to remove." 3438 "Valid types: hw,sw,trace,raw,synth. " 3439 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso," 3440 "addr,symoff,srcline,period,iregs,uregs,brstack," 3441 "brstacksym,flags,bpf-output,brstackinsn,brstackoff," 3442 "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc", 3443 parse_output_fields), 3444 OPT_BOOLEAN('a', "all-cpus", &system_wide, 3445 "system-wide collection from all CPUs"), 3446 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 3447 "only consider these symbols"), 3448 OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL, 3449 "Decode instructions from itrace", parse_insn_trace), 3450 OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL, 3451 "Run xed disassembler on output", parse_xed), 3452 OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL, 3453 "Decode calls from from itrace", parse_call_trace), 3454 OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL, 3455 "Decode calls and returns from itrace", parse_callret_trace), 3456 OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]", 3457 "Only print symbols and callees with --call-trace/--call-ret-trace"), 3458 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]", 3459 "Stop display of callgraph at these symbols"), 3460 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), 3461 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 3462 "only display events for these comms"), 3463 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 3464 "only consider symbols in these pids"), 3465 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 3466 "only consider symbols in these tids"), 3467 OPT_UINTEGER(0, "max-stack", &scripting_max_stack, 3468 "Set the maximum stack depth when parsing the callchain, " 3469 "anything beyond the specified depth will be ignored. " 3470 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 3471 OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"), 3472 OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"), 3473 OPT_BOOLEAN('I', "show-info", &show_full_info, 3474 "display extended information from perf.data file"), 3475 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, 3476 "Show the path of [kernel.kallsyms]"), 3477 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, 3478 "Show the fork/comm/exit events"), 3479 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, 3480 "Show the mmap events"), 3481 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events, 3482 "Show context switch events (if recorded)"), 3483 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events, 3484 "Show namespace events (if recorded)"), 3485 OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events, 3486 "Show cgroup events (if recorded)"), 3487 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events, 3488 "Show lost events (if recorded)"), 3489 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events, 3490 "Show round events (if recorded)"), 3491 OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events, 3492 "Show bpf related events (if recorded)"), 3493 OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events, 3494 "Show text poke related events (if recorded)"), 3495 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump, 3496 "Dump trace output to files named by the monitored events"), 3497 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 3498 OPT_INTEGER(0, "max-blocks", &max_blocks, 3499 "Maximum number of code blocks to dump with brstackinsn"), 3500 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, 3501 "Use 9 decimal places when displaying time"), 3502 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 3503 "Instruction Tracing options\n" ITRACE_HELP, 3504 itrace_parse_synth_opts), 3505 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 3506 "Show full source file name path for source lines"), 3507 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 3508 "Enable symbol demangling"), 3509 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 3510 "Enable kernel symbol demangling"), 3511 OPT_STRING(0, "time", &script.time_str, "str", 3512 "Time span of interest (start,stop)"), 3513 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 3514 "Show inline function"), 3515 OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory", 3516 "guest mount directory under which every guest os" 3517 " instance has a subdir"), 3518 OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name, 3519 "file", "file saving guest os vmlinux"), 3520 OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms, 3521 "file", "file saving guest os /proc/kallsyms"), 3522 OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules, 3523 "file", "file saving guest os /proc/modules"), 3524 OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr, 3525 "Enable LBR callgraph stitching approach"), 3526 OPTS_EVSWITCH(&script.evswitch), 3527 OPT_END() 3528 }; 3529 const char * const script_subcommands[] = { "record", "report", NULL }; 3530 const char *script_usage[] = { 3531 "perf script [<options>]", 3532 "perf script [<options>] record <script> [<record-options>] <command>", 3533 "perf script [<options>] report <script> [script-args]", 3534 "perf script [<options>] <script> [<record-options>] <command>", 3535 "perf script [<options>] <top-script> [script-args]", 3536 NULL 3537 }; 3538 3539 perf_set_singlethreaded(); 3540 3541 setup_scripting(); 3542 3543 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage, 3544 PARSE_OPT_STOP_AT_NON_OPTION); 3545 3546 if (symbol_conf.guestmount || 3547 symbol_conf.default_guest_vmlinux_name || 3548 symbol_conf.default_guest_kallsyms || 3549 symbol_conf.default_guest_modules) { 3550 /* 3551 * Enable guest sample processing. 3552 */ 3553 perf_guest = true; 3554 } 3555 3556 data.path = input_name; 3557 data.force = symbol_conf.force; 3558 3559 if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) { 3560 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); 3561 if (!rec_script_path) 3562 return cmd_record(argc, argv); 3563 } 3564 3565 if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) { 3566 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); 3567 if (!rep_script_path) { 3568 fprintf(stderr, 3569 "Please specify a valid report script" 3570 "(see 'perf script -l' for listing)\n"); 3571 return -1; 3572 } 3573 } 3574 3575 if (reltime && deltatime) { 3576 fprintf(stderr, 3577 "reltime and deltatime - the two don't get along well. " 3578 "Please limit to --reltime or --deltatime.\n"); 3579 return -1; 3580 } 3581 3582 if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) && 3583 itrace_synth_opts.callchain_sz > scripting_max_stack) 3584 scripting_max_stack = itrace_synth_opts.callchain_sz; 3585 3586 /* make sure PERF_EXEC_PATH is set for scripts */ 3587 set_argv_exec_path(get_argv_exec_path()); 3588 3589 if (argc && !script_name && !rec_script_path && !rep_script_path) { 3590 int live_pipe[2]; 3591 int rep_args; 3592 pid_t pid; 3593 3594 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); 3595 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); 3596 3597 if (!rec_script_path && !rep_script_path) { 3598 usage_with_options_msg(script_usage, options, 3599 "Couldn't find script `%s'\n\n See perf" 3600 " script -l for available scripts.\n", argv[0]); 3601 } 3602 3603 if (is_top_script(argv[0])) { 3604 rep_args = argc - 1; 3605 } else { 3606 int rec_args; 3607 3608 rep_args = has_required_arg(rep_script_path); 3609 rec_args = (argc - 1) - rep_args; 3610 if (rec_args < 0) { 3611 usage_with_options_msg(script_usage, options, 3612 "`%s' script requires options." 3613 "\n\n See perf script -l for available " 3614 "scripts and options.\n", argv[0]); 3615 } 3616 } 3617 3618 if (pipe(live_pipe) < 0) { 3619 perror("failed to create pipe"); 3620 return -1; 3621 } 3622 3623 pid = fork(); 3624 if (pid < 0) { 3625 perror("failed to fork"); 3626 return -1; 3627 } 3628 3629 if (!pid) { 3630 j = 0; 3631 3632 dup2(live_pipe[1], 1); 3633 close(live_pipe[0]); 3634 3635 if (is_top_script(argv[0])) { 3636 system_wide = true; 3637 } else if (!system_wide) { 3638 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { 3639 err = -1; 3640 goto out; 3641 } 3642 } 3643 3644 __argv = malloc((argc + 6) * sizeof(const char *)); 3645 if (!__argv) { 3646 pr_err("malloc failed\n"); 3647 err = -ENOMEM; 3648 goto out; 3649 } 3650 3651 __argv[j++] = "/bin/sh"; 3652 __argv[j++] = rec_script_path; 3653 if (system_wide) 3654 __argv[j++] = "-a"; 3655 __argv[j++] = "-q"; 3656 __argv[j++] = "-o"; 3657 __argv[j++] = "-"; 3658 for (i = rep_args + 1; i < argc; i++) 3659 __argv[j++] = argv[i]; 3660 __argv[j++] = NULL; 3661 3662 execvp("/bin/sh", (char **)__argv); 3663 free(__argv); 3664 exit(-1); 3665 } 3666 3667 dup2(live_pipe[0], 0); 3668 close(live_pipe[1]); 3669 3670 __argv = malloc((argc + 4) * sizeof(const char *)); 3671 if (!__argv) { 3672 pr_err("malloc failed\n"); 3673 err = -ENOMEM; 3674 goto out; 3675 } 3676 3677 j = 0; 3678 __argv[j++] = "/bin/sh"; 3679 __argv[j++] = rep_script_path; 3680 for (i = 1; i < rep_args + 1; i++) 3681 __argv[j++] = argv[i]; 3682 __argv[j++] = "-i"; 3683 __argv[j++] = "-"; 3684 __argv[j++] = NULL; 3685 3686 execvp("/bin/sh", (char **)__argv); 3687 free(__argv); 3688 exit(-1); 3689 } 3690 3691 if (rec_script_path) 3692 script_path = rec_script_path; 3693 if (rep_script_path) 3694 script_path = rep_script_path; 3695 3696 if (script_path) { 3697 j = 0; 3698 3699 if (!rec_script_path) 3700 system_wide = false; 3701 else if (!system_wide) { 3702 if (have_cmd(argc - 1, &argv[1]) != 0) { 3703 err = -1; 3704 goto out; 3705 } 3706 } 3707 3708 __argv = malloc((argc + 2) * sizeof(const char *)); 3709 if (!__argv) { 3710 pr_err("malloc failed\n"); 3711 err = -ENOMEM; 3712 goto out; 3713 } 3714 3715 __argv[j++] = "/bin/sh"; 3716 __argv[j++] = script_path; 3717 if (system_wide) 3718 __argv[j++] = "-a"; 3719 for (i = 2; i < argc; i++) 3720 __argv[j++] = argv[i]; 3721 __argv[j++] = NULL; 3722 3723 execvp("/bin/sh", (char **)__argv); 3724 free(__argv); 3725 exit(-1); 3726 } 3727 3728 if (!script_name) { 3729 setup_pager(); 3730 use_browser = 0; 3731 } 3732 3733 session = perf_session__new(&data, false, &script.tool); 3734 if (IS_ERR(session)) 3735 return PTR_ERR(session); 3736 3737 if (header || header_only) { 3738 script.tool.show_feat_hdr = SHOW_FEAT_HEADER; 3739 perf_session__fprintf_info(session, stdout, show_full_info); 3740 if (header_only) 3741 goto out_delete; 3742 } 3743 if (show_full_info) 3744 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 3745 3746 if (symbol__init(&session->header.env) < 0) 3747 goto out_delete; 3748 3749 uname(&uts); 3750 if (data.is_pipe || /* assume pipe_mode indicates native_arch */ 3751 !strcmp(uts.machine, session->header.env.arch) || 3752 (!strcmp(uts.machine, "x86_64") && 3753 !strcmp(session->header.env.arch, "i386"))) 3754 native_arch = true; 3755 3756 script.session = session; 3757 script__setup_sample_type(&script); 3758 3759 if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) || 3760 symbol_conf.graph_function) 3761 itrace_synth_opts.thread_stack = true; 3762 3763 session->itrace_synth_opts = &itrace_synth_opts; 3764 3765 if (cpu_list) { 3766 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap); 3767 if (err < 0) 3768 goto out_delete; 3769 itrace_synth_opts.cpu_bitmap = cpu_bitmap; 3770 } 3771 3772 if (!no_callchain) 3773 symbol_conf.use_callchain = true; 3774 else 3775 symbol_conf.use_callchain = false; 3776 3777 if (session->tevent.pevent && 3778 tep_set_function_resolver(session->tevent.pevent, 3779 machine__resolve_kernel_addr, 3780 &session->machines.host) < 0) { 3781 pr_err("%s: failed to set libtraceevent function resolver\n", __func__); 3782 err = -1; 3783 goto out_delete; 3784 } 3785 3786 if (generate_script_lang) { 3787 struct stat perf_stat; 3788 int input; 3789 3790 if (output_set_by_user()) { 3791 fprintf(stderr, 3792 "custom fields not supported for generated scripts"); 3793 err = -EINVAL; 3794 goto out_delete; 3795 } 3796 3797 input = open(data.path, O_RDONLY); /* input_name */ 3798 if (input < 0) { 3799 err = -errno; 3800 perror("failed to open file"); 3801 goto out_delete; 3802 } 3803 3804 err = fstat(input, &perf_stat); 3805 if (err < 0) { 3806 perror("failed to stat file"); 3807 goto out_delete; 3808 } 3809 3810 if (!perf_stat.st_size) { 3811 fprintf(stderr, "zero-sized file, nothing to do!\n"); 3812 goto out_delete; 3813 } 3814 3815 scripting_ops = script_spec__lookup(generate_script_lang); 3816 if (!scripting_ops) { 3817 fprintf(stderr, "invalid language specifier"); 3818 err = -ENOENT; 3819 goto out_delete; 3820 } 3821 3822 err = scripting_ops->generate_script(session->tevent.pevent, 3823 "perf-script"); 3824 goto out_delete; 3825 } 3826 3827 if (script_name) { 3828 err = scripting_ops->start_script(script_name, argc, argv); 3829 if (err) 3830 goto out_delete; 3831 pr_debug("perf script started with script %s\n\n", script_name); 3832 script_started = true; 3833 } 3834 3835 3836 err = perf_session__check_output_opt(session); 3837 if (err < 0) 3838 goto out_delete; 3839 3840 if (script.time_str) { 3841 err = perf_time__parse_for_ranges_reltime(script.time_str, session, 3842 &script.ptime_range, 3843 &script.range_size, 3844 &script.range_num, 3845 reltime); 3846 if (err < 0) 3847 goto out_delete; 3848 3849 itrace_synth_opts__set_time_range(&itrace_synth_opts, 3850 script.ptime_range, 3851 script.range_num); 3852 } 3853 3854 err = evswitch__init(&script.evswitch, session->evlist, stderr); 3855 if (err) 3856 goto out_delete; 3857 3858 if (zstd_init(&(session->zstd_data), 0) < 0) 3859 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n"); 3860 3861 err = __cmd_script(&script); 3862 3863 flush_scripting(); 3864 3865 out_delete: 3866 if (script.ptime_range) { 3867 itrace_synth_opts__clear_time_range(&itrace_synth_opts); 3868 zfree(&script.ptime_range); 3869 } 3870 3871 perf_evlist__free_stats(session->evlist); 3872 perf_session__delete(session); 3873 3874 if (script_started) 3875 cleanup_scripting(); 3876 out: 3877 return err; 3878 } 3879