1 // SPDX-License-Identifier: GPL-2.0 2 #include "builtin.h" 3 4 #include "util/counts.h" 5 #include "util/debug.h" 6 #include "util/dso.h" 7 #include <subcmd/exec-cmd.h> 8 #include "util/header.h" 9 #include <subcmd/parse-options.h> 10 #include "util/perf_regs.h" 11 #include "util/session.h" 12 #include "util/tool.h" 13 #include "util/map.h" 14 #include "util/srcline.h" 15 #include "util/symbol.h" 16 #include "util/thread.h" 17 #include "util/trace-event.h" 18 #include "util/evlist.h" 19 #include "util/evsel.h" 20 #include "util/evsel_fprintf.h" 21 #include "util/evswitch.h" 22 #include "util/sort.h" 23 #include "util/data.h" 24 #include "util/auxtrace.h" 25 #include "util/cpumap.h" 26 #include "util/thread_map.h" 27 #include "util/stat.h" 28 #include "util/color.h" 29 #include "util/string2.h" 30 #include "util/thread-stack.h" 31 #include "util/time-utils.h" 32 #include "util/path.h" 33 #include "ui/ui.h" 34 #include "print_binary.h" 35 #include "archinsn.h" 36 #include <linux/bitmap.h> 37 #include <linux/kernel.h> 38 #include <linux/stringify.h> 39 #include <linux/time64.h> 40 #include <linux/zalloc.h> 41 #include <sys/utsname.h> 42 #include "asm/bug.h" 43 #include "util/mem-events.h" 44 #include "util/dump-insn.h" 45 #include <dirent.h> 46 #include <errno.h> 47 #include <inttypes.h> 48 #include <signal.h> 49 #include <sys/param.h> 50 #include <sys/types.h> 51 #include <sys/stat.h> 52 #include <fcntl.h> 53 #include <unistd.h> 54 #include <subcmd/pager.h> 55 #include <perf/evlist.h> 56 #include <linux/err.h> 57 #include "util/record.h" 58 #include "util/util.h" 59 #include "perf.h" 60 61 #include <linux/ctype.h> 62 63 static char const *script_name; 64 static char const *generate_script_lang; 65 static bool reltime; 66 static bool deltatime; 67 static u64 initial_time; 68 static u64 previous_time; 69 static bool debug_mode; 70 static u64 last_timestamp; 71 static u64 nr_unordered; 72 static bool no_callchain; 73 static bool latency_format; 74 static bool system_wide; 75 static bool print_flags; 76 static const char *cpu_list; 77 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); 78 static struct perf_stat_config stat_config; 79 static int max_blocks; 80 static bool native_arch; 81 82 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH; 83 84 enum perf_output_field { 85 PERF_OUTPUT_COMM = 1U << 0, 86 PERF_OUTPUT_TID = 1U << 1, 87 PERF_OUTPUT_PID = 1U << 2, 88 PERF_OUTPUT_TIME = 1U << 3, 89 PERF_OUTPUT_CPU = 1U << 4, 90 PERF_OUTPUT_EVNAME = 1U << 5, 91 PERF_OUTPUT_TRACE = 1U << 6, 92 PERF_OUTPUT_IP = 1U << 7, 93 PERF_OUTPUT_SYM = 1U << 8, 94 PERF_OUTPUT_DSO = 1U << 9, 95 PERF_OUTPUT_ADDR = 1U << 10, 96 PERF_OUTPUT_SYMOFFSET = 1U << 11, 97 PERF_OUTPUT_SRCLINE = 1U << 12, 98 PERF_OUTPUT_PERIOD = 1U << 13, 99 PERF_OUTPUT_IREGS = 1U << 14, 100 PERF_OUTPUT_BRSTACK = 1U << 15, 101 PERF_OUTPUT_BRSTACKSYM = 1U << 16, 102 PERF_OUTPUT_DATA_SRC = 1U << 17, 103 PERF_OUTPUT_WEIGHT = 1U << 18, 104 PERF_OUTPUT_BPF_OUTPUT = 1U << 19, 105 PERF_OUTPUT_CALLINDENT = 1U << 20, 106 PERF_OUTPUT_INSN = 1U << 21, 107 PERF_OUTPUT_INSNLEN = 1U << 22, 108 PERF_OUTPUT_BRSTACKINSN = 1U << 23, 109 PERF_OUTPUT_BRSTACKOFF = 1U << 24, 110 PERF_OUTPUT_SYNTH = 1U << 25, 111 PERF_OUTPUT_PHYS_ADDR = 1U << 26, 112 PERF_OUTPUT_UREGS = 1U << 27, 113 PERF_OUTPUT_METRIC = 1U << 28, 114 PERF_OUTPUT_MISC = 1U << 29, 115 PERF_OUTPUT_SRCCODE = 1U << 30, 116 PERF_OUTPUT_IPC = 1U << 31, 117 }; 118 119 struct output_option { 120 const char *str; 121 enum perf_output_field field; 122 } all_output_options[] = { 123 {.str = "comm", .field = PERF_OUTPUT_COMM}, 124 {.str = "tid", .field = PERF_OUTPUT_TID}, 125 {.str = "pid", .field = PERF_OUTPUT_PID}, 126 {.str = "time", .field = PERF_OUTPUT_TIME}, 127 {.str = "cpu", .field = PERF_OUTPUT_CPU}, 128 {.str = "event", .field = PERF_OUTPUT_EVNAME}, 129 {.str = "trace", .field = PERF_OUTPUT_TRACE}, 130 {.str = "ip", .field = PERF_OUTPUT_IP}, 131 {.str = "sym", .field = PERF_OUTPUT_SYM}, 132 {.str = "dso", .field = PERF_OUTPUT_DSO}, 133 {.str = "addr", .field = PERF_OUTPUT_ADDR}, 134 {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET}, 135 {.str = "srcline", .field = PERF_OUTPUT_SRCLINE}, 136 {.str = "period", .field = PERF_OUTPUT_PERIOD}, 137 {.str = "iregs", .field = PERF_OUTPUT_IREGS}, 138 {.str = "uregs", .field = PERF_OUTPUT_UREGS}, 139 {.str = "brstack", .field = PERF_OUTPUT_BRSTACK}, 140 {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM}, 141 {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC}, 142 {.str = "weight", .field = PERF_OUTPUT_WEIGHT}, 143 {.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT}, 144 {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT}, 145 {.str = "insn", .field = PERF_OUTPUT_INSN}, 146 {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN}, 147 {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN}, 148 {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF}, 149 {.str = "synth", .field = PERF_OUTPUT_SYNTH}, 150 {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR}, 151 {.str = "metric", .field = PERF_OUTPUT_METRIC}, 152 {.str = "misc", .field = PERF_OUTPUT_MISC}, 153 {.str = "srccode", .field = PERF_OUTPUT_SRCCODE}, 154 {.str = "ipc", .field = PERF_OUTPUT_IPC}, 155 }; 156 157 enum { 158 OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX, 159 OUTPUT_TYPE_MAX 160 }; 161 162 /* default set to maintain compatibility with current format */ 163 static struct { 164 bool user_set; 165 bool wildcard_set; 166 unsigned int print_ip_opts; 167 u64 fields; 168 u64 invalid_fields; 169 u64 user_set_fields; 170 } output[OUTPUT_TYPE_MAX] = { 171 172 [PERF_TYPE_HARDWARE] = { 173 .user_set = false, 174 175 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 176 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 177 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 178 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 179 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 180 181 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 182 }, 183 184 [PERF_TYPE_SOFTWARE] = { 185 .user_set = false, 186 187 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 188 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 189 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 190 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 191 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 192 PERF_OUTPUT_BPF_OUTPUT, 193 194 .invalid_fields = PERF_OUTPUT_TRACE, 195 }, 196 197 [PERF_TYPE_TRACEPOINT] = { 198 .user_set = false, 199 200 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 201 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 202 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE 203 }, 204 205 [PERF_TYPE_HW_CACHE] = { 206 .user_set = false, 207 208 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 209 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 210 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 211 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 212 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 213 214 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 215 }, 216 217 [PERF_TYPE_RAW] = { 218 .user_set = false, 219 220 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 221 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 222 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 223 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 224 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 225 PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC | 226 PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR, 227 228 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 229 }, 230 231 [PERF_TYPE_BREAKPOINT] = { 232 .user_set = false, 233 234 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 235 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 236 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 237 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 238 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 239 240 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 241 }, 242 243 [OUTPUT_TYPE_SYNTH] = { 244 .user_set = false, 245 246 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 247 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 248 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 249 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 250 PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH, 251 252 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 253 }, 254 }; 255 256 struct evsel_script { 257 char *filename; 258 FILE *fp; 259 u64 samples; 260 /* For metric output */ 261 u64 val; 262 int gnum; 263 }; 264 265 static inline struct evsel_script *evsel_script(struct evsel *evsel) 266 { 267 return (struct evsel_script *)evsel->priv; 268 } 269 270 static struct evsel_script *perf_evsel_script__new(struct evsel *evsel, 271 struct perf_data *data) 272 { 273 struct evsel_script *es = zalloc(sizeof(*es)); 274 275 if (es != NULL) { 276 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0) 277 goto out_free; 278 es->fp = fopen(es->filename, "w"); 279 if (es->fp == NULL) 280 goto out_free_filename; 281 } 282 283 return es; 284 out_free_filename: 285 zfree(&es->filename); 286 out_free: 287 free(es); 288 return NULL; 289 } 290 291 static void perf_evsel_script__delete(struct evsel_script *es) 292 { 293 zfree(&es->filename); 294 fclose(es->fp); 295 es->fp = NULL; 296 free(es); 297 } 298 299 static int perf_evsel_script__fprintf(struct evsel_script *es, FILE *fp) 300 { 301 struct stat st; 302 303 fstat(fileno(es->fp), &st); 304 return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n", 305 st.st_size / 1024.0 / 1024.0, es->filename, es->samples); 306 } 307 308 static inline int output_type(unsigned int type) 309 { 310 switch (type) { 311 case PERF_TYPE_SYNTH: 312 return OUTPUT_TYPE_SYNTH; 313 default: 314 return type; 315 } 316 } 317 318 static inline unsigned int attr_type(unsigned int type) 319 { 320 switch (type) { 321 case OUTPUT_TYPE_SYNTH: 322 return PERF_TYPE_SYNTH; 323 default: 324 return type; 325 } 326 } 327 328 static bool output_set_by_user(void) 329 { 330 int j; 331 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 332 if (output[j].user_set) 333 return true; 334 } 335 return false; 336 } 337 338 static const char *output_field2str(enum perf_output_field field) 339 { 340 int i, imax = ARRAY_SIZE(all_output_options); 341 const char *str = ""; 342 343 for (i = 0; i < imax; ++i) { 344 if (all_output_options[i].field == field) { 345 str = all_output_options[i].str; 346 break; 347 } 348 } 349 return str; 350 } 351 352 #define PRINT_FIELD(x) (output[output_type(attr->type)].fields & PERF_OUTPUT_##x) 353 354 static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg, 355 enum perf_output_field field, bool allow_user_set) 356 { 357 struct perf_event_attr *attr = &evsel->core.attr; 358 int type = output_type(attr->type); 359 const char *evname; 360 361 if (attr->sample_type & sample_type) 362 return 0; 363 364 if (output[type].user_set_fields & field) { 365 if (allow_user_set) 366 return 0; 367 evname = evsel__name(evsel); 368 pr_err("Samples for '%s' event do not have %s attribute set. " 369 "Cannot print '%s' field.\n", 370 evname, sample_msg, output_field2str(field)); 371 return -1; 372 } 373 374 /* user did not ask for it explicitly so remove from the default list */ 375 output[type].fields &= ~field; 376 evname = evsel__name(evsel); 377 pr_debug("Samples for '%s' event do not have %s attribute set. " 378 "Skipping '%s' field.\n", 379 evname, sample_msg, output_field2str(field)); 380 381 return 0; 382 } 383 384 static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg, 385 enum perf_output_field field) 386 { 387 return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false); 388 } 389 390 static int perf_evsel__check_attr(struct evsel *evsel, struct perf_session *session) 391 { 392 struct perf_event_attr *attr = &evsel->core.attr; 393 bool allow_user_set; 394 395 if (perf_header__has_feat(&session->header, HEADER_STAT)) 396 return 0; 397 398 allow_user_set = perf_header__has_feat(&session->header, 399 HEADER_AUXTRACE); 400 401 if (PRINT_FIELD(TRACE) && 402 !perf_session__has_traces(session, "record -R")) 403 return -EINVAL; 404 405 if (PRINT_FIELD(IP)) { 406 if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP)) 407 return -EINVAL; 408 } 409 410 if (PRINT_FIELD(ADDR) && 411 evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set)) 412 return -EINVAL; 413 414 if (PRINT_FIELD(DATA_SRC) && 415 evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC)) 416 return -EINVAL; 417 418 if (PRINT_FIELD(WEIGHT) && 419 evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT", PERF_OUTPUT_WEIGHT)) 420 return -EINVAL; 421 422 if (PRINT_FIELD(SYM) && 423 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 424 pr_err("Display of symbols requested but neither sample IP nor " 425 "sample address\navailable. Hence, no addresses to convert " 426 "to symbols.\n"); 427 return -EINVAL; 428 } 429 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) { 430 pr_err("Display of offsets requested but symbol is not" 431 "selected.\n"); 432 return -EINVAL; 433 } 434 if (PRINT_FIELD(DSO) && 435 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 436 pr_err("Display of DSO requested but no address to convert.\n"); 437 return -EINVAL; 438 } 439 if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) { 440 pr_err("Display of source line number requested but sample IP is not\n" 441 "selected. Hence, no address to lookup the source line number.\n"); 442 return -EINVAL; 443 } 444 if (PRINT_FIELD(BRSTACKINSN) && !allow_user_set && 445 !(perf_evlist__combined_branch_type(session->evlist) & 446 PERF_SAMPLE_BRANCH_ANY)) { 447 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n" 448 "Hint: run 'perf record -b ...'\n"); 449 return -EINVAL; 450 } 451 if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) && 452 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__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS)) 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 perf_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 allocated; 1682 bool per_event_dump; 1683 bool stitch_lbr; 1684 struct evswitch evswitch; 1685 struct perf_cpu_map *cpus; 1686 struct perf_thread_map *threads; 1687 int name_width; 1688 const char *time_str; 1689 struct perf_time_interval *ptime_range; 1690 int range_size; 1691 int range_num; 1692 }; 1693 1694 static int perf_evlist__max_name_len(struct evlist *evlist) 1695 { 1696 struct evsel *evsel; 1697 int max = 0; 1698 1699 evlist__for_each_entry(evlist, evsel) { 1700 int len = strlen(evsel__name(evsel)); 1701 1702 max = MAX(len, max); 1703 } 1704 1705 return max; 1706 } 1707 1708 static int data_src__fprintf(u64 data_src, FILE *fp) 1709 { 1710 struct mem_info mi = { .data_src.val = data_src }; 1711 char decode[100]; 1712 char out[100]; 1713 static int maxlen; 1714 int len; 1715 1716 perf_script__meminfo_scnprintf(decode, 100, &mi); 1717 1718 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode); 1719 if (maxlen < len) 1720 maxlen = len; 1721 1722 return fprintf(fp, "%-*s", maxlen, out); 1723 } 1724 1725 struct metric_ctx { 1726 struct perf_sample *sample; 1727 struct thread *thread; 1728 struct evsel *evsel; 1729 FILE *fp; 1730 }; 1731 1732 static void script_print_metric(struct perf_stat_config *config __maybe_unused, 1733 void *ctx, const char *color, 1734 const char *fmt, 1735 const char *unit, double val) 1736 { 1737 struct metric_ctx *mctx = ctx; 1738 1739 if (!fmt) 1740 return; 1741 perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel, 1742 PERF_RECORD_SAMPLE, mctx->fp); 1743 fputs("\tmetric: ", mctx->fp); 1744 if (color) 1745 color_fprintf(mctx->fp, color, fmt, val); 1746 else 1747 printf(fmt, val); 1748 fprintf(mctx->fp, " %s\n", unit); 1749 } 1750 1751 static void script_new_line(struct perf_stat_config *config __maybe_unused, 1752 void *ctx) 1753 { 1754 struct metric_ctx *mctx = ctx; 1755 1756 perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel, 1757 PERF_RECORD_SAMPLE, mctx->fp); 1758 fputs("\tmetric: ", mctx->fp); 1759 } 1760 1761 static void perf_sample__fprint_metric(struct perf_script *script, 1762 struct thread *thread, 1763 struct evsel *evsel, 1764 struct perf_sample *sample, 1765 FILE *fp) 1766 { 1767 struct perf_stat_output_ctx ctx = { 1768 .print_metric = script_print_metric, 1769 .new_line = script_new_line, 1770 .ctx = &(struct metric_ctx) { 1771 .sample = sample, 1772 .thread = thread, 1773 .evsel = evsel, 1774 .fp = fp, 1775 }, 1776 .force_header = false, 1777 }; 1778 struct evsel *ev2; 1779 u64 val; 1780 1781 if (!evsel->stats) 1782 perf_evlist__alloc_stats(script->session->evlist, false); 1783 if (evsel_script(evsel->leader)->gnum++ == 0) 1784 perf_stat__reset_shadow_stats(); 1785 val = sample->period * evsel->scale; 1786 perf_stat__update_shadow_stats(evsel, 1787 val, 1788 sample->cpu, 1789 &rt_stat); 1790 evsel_script(evsel)->val = val; 1791 if (evsel_script(evsel->leader)->gnum == evsel->leader->core.nr_members) { 1792 for_each_group_member (ev2, evsel->leader) { 1793 perf_stat__print_shadow_stats(&stat_config, ev2, 1794 evsel_script(ev2)->val, 1795 sample->cpu, 1796 &ctx, 1797 NULL, 1798 &rt_stat); 1799 } 1800 evsel_script(evsel->leader)->gnum = 0; 1801 } 1802 } 1803 1804 static bool show_event(struct perf_sample *sample, 1805 struct evsel *evsel, 1806 struct thread *thread, 1807 struct addr_location *al) 1808 { 1809 int depth = thread_stack__depth(thread, sample->cpu); 1810 1811 if (!symbol_conf.graph_function) 1812 return true; 1813 1814 if (thread->filter) { 1815 if (depth <= thread->filter_entry_depth) { 1816 thread->filter = false; 1817 return false; 1818 } 1819 return true; 1820 } else { 1821 const char *s = symbol_conf.graph_function; 1822 u64 ip; 1823 const char *name = resolve_branch_sym(sample, evsel, thread, al, 1824 &ip); 1825 unsigned nlen; 1826 1827 if (!name) 1828 return false; 1829 nlen = strlen(name); 1830 while (*s) { 1831 unsigned len = strcspn(s, ","); 1832 if (nlen == len && !strncmp(name, s, len)) { 1833 thread->filter = true; 1834 thread->filter_entry_depth = depth; 1835 return true; 1836 } 1837 s += len; 1838 if (*s == ',') 1839 s++; 1840 } 1841 return false; 1842 } 1843 } 1844 1845 static void process_event(struct perf_script *script, 1846 struct perf_sample *sample, struct evsel *evsel, 1847 struct addr_location *al, 1848 struct machine *machine) 1849 { 1850 struct thread *thread = al->thread; 1851 struct perf_event_attr *attr = &evsel->core.attr; 1852 unsigned int type = output_type(attr->type); 1853 struct evsel_script *es = evsel->priv; 1854 FILE *fp = es->fp; 1855 1856 if (output[type].fields == 0) 1857 return; 1858 1859 if (!show_event(sample, evsel, thread, al)) 1860 return; 1861 1862 if (evswitch__discard(&script->evswitch, evsel)) 1863 return; 1864 1865 ++es->samples; 1866 1867 perf_sample__fprintf_start(sample, thread, evsel, 1868 PERF_RECORD_SAMPLE, fp); 1869 1870 if (PRINT_FIELD(PERIOD)) 1871 fprintf(fp, "%10" PRIu64 " ", sample->period); 1872 1873 if (PRINT_FIELD(EVNAME)) { 1874 const char *evname = evsel__name(evsel); 1875 1876 if (!script->name_width) 1877 script->name_width = perf_evlist__max_name_len(script->session->evlist); 1878 1879 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]"); 1880 } 1881 1882 if (print_flags) 1883 perf_sample__fprintf_flags(sample->flags, fp); 1884 1885 if (is_bts_event(attr)) { 1886 perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp); 1887 return; 1888 } 1889 1890 if (PRINT_FIELD(TRACE) && sample->raw_data) { 1891 event_format__fprintf(evsel->tp_format, sample->cpu, 1892 sample->raw_data, sample->raw_size, fp); 1893 } 1894 1895 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH)) 1896 perf_sample__fprintf_synth(sample, evsel, fp); 1897 1898 if (PRINT_FIELD(ADDR)) 1899 perf_sample__fprintf_addr(sample, thread, attr, fp); 1900 1901 if (PRINT_FIELD(DATA_SRC)) 1902 data_src__fprintf(sample->data_src, fp); 1903 1904 if (PRINT_FIELD(WEIGHT)) 1905 fprintf(fp, "%16" PRIu64, sample->weight); 1906 1907 if (PRINT_FIELD(IP)) { 1908 struct callchain_cursor *cursor = NULL; 1909 1910 if (script->stitch_lbr) 1911 al->thread->lbr_stitch_enable = true; 1912 1913 if (symbol_conf.use_callchain && sample->callchain && 1914 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 1915 sample, NULL, NULL, scripting_max_stack) == 0) 1916 cursor = &callchain_cursor; 1917 1918 fputc(cursor ? '\n' : ' ', fp); 1919 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, 1920 symbol_conf.bt_stop_list, fp); 1921 } 1922 1923 if (PRINT_FIELD(IREGS)) 1924 perf_sample__fprintf_iregs(sample, attr, fp); 1925 1926 if (PRINT_FIELD(UREGS)) 1927 perf_sample__fprintf_uregs(sample, attr, fp); 1928 1929 if (PRINT_FIELD(BRSTACK)) 1930 perf_sample__fprintf_brstack(sample, thread, attr, fp); 1931 else if (PRINT_FIELD(BRSTACKSYM)) 1932 perf_sample__fprintf_brstacksym(sample, thread, attr, fp); 1933 else if (PRINT_FIELD(BRSTACKOFF)) 1934 perf_sample__fprintf_brstackoff(sample, thread, attr, fp); 1935 1936 if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT)) 1937 perf_sample__fprintf_bpf_output(sample, fp); 1938 perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 1939 1940 if (PRINT_FIELD(PHYS_ADDR)) 1941 fprintf(fp, "%16" PRIx64, sample->phys_addr); 1942 1943 perf_sample__fprintf_ipc(sample, attr, fp); 1944 1945 fprintf(fp, "\n"); 1946 1947 if (PRINT_FIELD(SRCCODE)) { 1948 if (map__fprintf_srccode(al->map, al->addr, stdout, 1949 &thread->srccode_state)) 1950 printf("\n"); 1951 } 1952 1953 if (PRINT_FIELD(METRIC)) 1954 perf_sample__fprint_metric(script, thread, evsel, sample, fp); 1955 1956 if (verbose) 1957 fflush(fp); 1958 } 1959 1960 static struct scripting_ops *scripting_ops; 1961 1962 static void __process_stat(struct evsel *counter, u64 tstamp) 1963 { 1964 int nthreads = perf_thread_map__nr(counter->core.threads); 1965 int ncpus = evsel__nr_cpus(counter); 1966 int cpu, thread; 1967 static int header_printed; 1968 1969 if (counter->core.system_wide) 1970 nthreads = 1; 1971 1972 if (!header_printed) { 1973 printf("%3s %8s %15s %15s %15s %15s %s\n", 1974 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT"); 1975 header_printed = 1; 1976 } 1977 1978 for (thread = 0; thread < nthreads; thread++) { 1979 for (cpu = 0; cpu < ncpus; cpu++) { 1980 struct perf_counts_values *counts; 1981 1982 counts = perf_counts(counter->counts, cpu, thread); 1983 1984 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n", 1985 counter->core.cpus->map[cpu], 1986 perf_thread_map__pid(counter->core.threads, thread), 1987 counts->val, 1988 counts->ena, 1989 counts->run, 1990 tstamp, 1991 evsel__name(counter)); 1992 } 1993 } 1994 } 1995 1996 static void process_stat(struct evsel *counter, u64 tstamp) 1997 { 1998 if (scripting_ops && scripting_ops->process_stat) 1999 scripting_ops->process_stat(&stat_config, counter, tstamp); 2000 else 2001 __process_stat(counter, tstamp); 2002 } 2003 2004 static void process_stat_interval(u64 tstamp) 2005 { 2006 if (scripting_ops && scripting_ops->process_stat_interval) 2007 scripting_ops->process_stat_interval(tstamp); 2008 } 2009 2010 static void setup_scripting(void) 2011 { 2012 setup_perl_scripting(); 2013 setup_python_scripting(); 2014 } 2015 2016 static int flush_scripting(void) 2017 { 2018 return scripting_ops ? scripting_ops->flush_script() : 0; 2019 } 2020 2021 static int cleanup_scripting(void) 2022 { 2023 pr_debug("\nperf script stopped\n"); 2024 2025 return scripting_ops ? scripting_ops->stop_script() : 0; 2026 } 2027 2028 static bool filter_cpu(struct perf_sample *sample) 2029 { 2030 if (cpu_list && sample->cpu != (u32)-1) 2031 return !test_bit(sample->cpu, cpu_bitmap); 2032 return false; 2033 } 2034 2035 static int process_sample_event(struct perf_tool *tool, 2036 union perf_event *event, 2037 struct perf_sample *sample, 2038 struct evsel *evsel, 2039 struct machine *machine) 2040 { 2041 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2042 struct addr_location al; 2043 2044 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num, 2045 sample->time)) { 2046 return 0; 2047 } 2048 2049 if (debug_mode) { 2050 if (sample->time < last_timestamp) { 2051 pr_err("Samples misordered, previous: %" PRIu64 2052 " this: %" PRIu64 "\n", last_timestamp, 2053 sample->time); 2054 nr_unordered++; 2055 } 2056 last_timestamp = sample->time; 2057 return 0; 2058 } 2059 2060 if (machine__resolve(machine, &al, sample) < 0) { 2061 pr_err("problem processing %d event, skipping it.\n", 2062 event->header.type); 2063 return -1; 2064 } 2065 2066 if (al.filtered) 2067 goto out_put; 2068 2069 if (filter_cpu(sample)) 2070 goto out_put; 2071 2072 if (scripting_ops) 2073 scripting_ops->process_event(event, sample, evsel, &al); 2074 else 2075 process_event(scr, sample, evsel, &al, machine); 2076 2077 out_put: 2078 addr_location__put(&al); 2079 return 0; 2080 } 2081 2082 static int process_attr(struct perf_tool *tool, union perf_event *event, 2083 struct evlist **pevlist) 2084 { 2085 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2086 struct evlist *evlist; 2087 struct evsel *evsel, *pos; 2088 u64 sample_type; 2089 int err; 2090 static struct evsel_script *es; 2091 2092 err = perf_event__process_attr(tool, event, pevlist); 2093 if (err) 2094 return err; 2095 2096 evlist = *pevlist; 2097 evsel = evlist__last(*pevlist); 2098 2099 if (!evsel->priv) { 2100 if (scr->per_event_dump) { 2101 evsel->priv = perf_evsel_script__new(evsel, 2102 scr->session->data); 2103 } else { 2104 es = zalloc(sizeof(*es)); 2105 if (!es) 2106 return -ENOMEM; 2107 es->fp = stdout; 2108 evsel->priv = es; 2109 } 2110 } 2111 2112 if (evsel->core.attr.type >= PERF_TYPE_MAX && 2113 evsel->core.attr.type != PERF_TYPE_SYNTH) 2114 return 0; 2115 2116 evlist__for_each_entry(evlist, pos) { 2117 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel) 2118 return 0; 2119 } 2120 2121 if (evsel->core.attr.sample_type) { 2122 err = perf_evsel__check_attr(evsel, scr->session); 2123 if (err) 2124 return err; 2125 } 2126 2127 /* 2128 * Check if we need to enable callchains based 2129 * on events sample_type. 2130 */ 2131 sample_type = perf_evlist__combined_sample_type(evlist); 2132 callchain_param_setup(sample_type); 2133 2134 /* Enable fields for callchain entries, if it got enabled. */ 2135 if (callchain_param.record_mode != CALLCHAIN_NONE) { 2136 output[output_type(evsel->core.attr.type)].fields |= PERF_OUTPUT_IP | 2137 PERF_OUTPUT_SYM; 2138 } 2139 set_print_ip_opts(&evsel->core.attr); 2140 return 0; 2141 } 2142 2143 static int print_event_with_time(struct perf_tool *tool, 2144 union perf_event *event, 2145 struct perf_sample *sample, 2146 struct machine *machine, 2147 pid_t pid, pid_t tid, u64 timestamp) 2148 { 2149 struct perf_script *script = container_of(tool, struct perf_script, tool); 2150 struct perf_session *session = script->session; 2151 struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2152 struct thread *thread = NULL; 2153 2154 if (evsel && !evsel->core.attr.sample_id_all) { 2155 sample->cpu = 0; 2156 sample->time = timestamp; 2157 sample->pid = pid; 2158 sample->tid = tid; 2159 } 2160 2161 if (filter_cpu(sample)) 2162 return 0; 2163 2164 if (tid != -1) 2165 thread = machine__findnew_thread(machine, pid, tid); 2166 2167 if (thread && evsel) { 2168 perf_sample__fprintf_start(sample, thread, evsel, 2169 event->header.type, stdout); 2170 } 2171 2172 perf_event__fprintf(event, stdout); 2173 2174 thread__put(thread); 2175 2176 return 0; 2177 } 2178 2179 static int print_event(struct perf_tool *tool, union perf_event *event, 2180 struct perf_sample *sample, struct machine *machine, 2181 pid_t pid, pid_t tid) 2182 { 2183 return print_event_with_time(tool, event, sample, machine, pid, tid, 0); 2184 } 2185 2186 static int process_comm_event(struct perf_tool *tool, 2187 union perf_event *event, 2188 struct perf_sample *sample, 2189 struct machine *machine) 2190 { 2191 if (perf_event__process_comm(tool, event, sample, machine) < 0) 2192 return -1; 2193 2194 return print_event(tool, event, sample, machine, event->comm.pid, 2195 event->comm.tid); 2196 } 2197 2198 static int process_namespaces_event(struct perf_tool *tool, 2199 union perf_event *event, 2200 struct perf_sample *sample, 2201 struct machine *machine) 2202 { 2203 if (perf_event__process_namespaces(tool, event, sample, machine) < 0) 2204 return -1; 2205 2206 return print_event(tool, event, sample, machine, event->namespaces.pid, 2207 event->namespaces.tid); 2208 } 2209 2210 static int process_cgroup_event(struct perf_tool *tool, 2211 union perf_event *event, 2212 struct perf_sample *sample, 2213 struct machine *machine) 2214 { 2215 if (perf_event__process_cgroup(tool, event, sample, machine) < 0) 2216 return -1; 2217 2218 return print_event(tool, event, sample, machine, sample->pid, 2219 sample->tid); 2220 } 2221 2222 static int process_fork_event(struct perf_tool *tool, 2223 union perf_event *event, 2224 struct perf_sample *sample, 2225 struct machine *machine) 2226 { 2227 if (perf_event__process_fork(tool, event, sample, machine) < 0) 2228 return -1; 2229 2230 return print_event_with_time(tool, event, sample, machine, 2231 event->fork.pid, event->fork.tid, 2232 event->fork.time); 2233 } 2234 static int process_exit_event(struct perf_tool *tool, 2235 union perf_event *event, 2236 struct perf_sample *sample, 2237 struct machine *machine) 2238 { 2239 /* Print before 'exit' deletes anything */ 2240 if (print_event_with_time(tool, event, sample, machine, event->fork.pid, 2241 event->fork.tid, event->fork.time)) 2242 return -1; 2243 2244 return perf_event__process_exit(tool, event, sample, machine); 2245 } 2246 2247 static int process_mmap_event(struct perf_tool *tool, 2248 union perf_event *event, 2249 struct perf_sample *sample, 2250 struct machine *machine) 2251 { 2252 if (perf_event__process_mmap(tool, event, sample, machine) < 0) 2253 return -1; 2254 2255 return print_event(tool, event, sample, machine, event->mmap.pid, 2256 event->mmap.tid); 2257 } 2258 2259 static int process_mmap2_event(struct perf_tool *tool, 2260 union perf_event *event, 2261 struct perf_sample *sample, 2262 struct machine *machine) 2263 { 2264 if (perf_event__process_mmap2(tool, event, sample, machine) < 0) 2265 return -1; 2266 2267 return print_event(tool, event, sample, machine, event->mmap2.pid, 2268 event->mmap2.tid); 2269 } 2270 2271 static int process_switch_event(struct perf_tool *tool, 2272 union perf_event *event, 2273 struct perf_sample *sample, 2274 struct machine *machine) 2275 { 2276 struct perf_script *script = container_of(tool, struct perf_script, tool); 2277 2278 if (perf_event__process_switch(tool, event, sample, machine) < 0) 2279 return -1; 2280 2281 if (scripting_ops && scripting_ops->process_switch) 2282 scripting_ops->process_switch(event, sample, machine); 2283 2284 if (!script->show_switch_events) 2285 return 0; 2286 2287 return print_event(tool, event, sample, machine, sample->pid, 2288 sample->tid); 2289 } 2290 2291 static int 2292 process_lost_event(struct perf_tool *tool, 2293 union perf_event *event, 2294 struct perf_sample *sample, 2295 struct machine *machine) 2296 { 2297 return print_event(tool, event, sample, machine, sample->pid, 2298 sample->tid); 2299 } 2300 2301 static int 2302 process_finished_round_event(struct perf_tool *tool __maybe_unused, 2303 union perf_event *event, 2304 struct ordered_events *oe __maybe_unused) 2305 2306 { 2307 perf_event__fprintf(event, stdout); 2308 return 0; 2309 } 2310 2311 static int 2312 process_bpf_events(struct perf_tool *tool __maybe_unused, 2313 union perf_event *event, 2314 struct perf_sample *sample, 2315 struct machine *machine) 2316 { 2317 if (machine__process_ksymbol(machine, event, sample) < 0) 2318 return -1; 2319 2320 return print_event(tool, event, sample, machine, sample->pid, 2321 sample->tid); 2322 } 2323 2324 static void sig_handler(int sig __maybe_unused) 2325 { 2326 session_done = 1; 2327 } 2328 2329 static void perf_script__fclose_per_event_dump(struct perf_script *script) 2330 { 2331 struct evlist *evlist = script->session->evlist; 2332 struct evsel *evsel; 2333 2334 evlist__for_each_entry(evlist, evsel) { 2335 if (!evsel->priv) 2336 break; 2337 perf_evsel_script__delete(evsel->priv); 2338 evsel->priv = NULL; 2339 } 2340 } 2341 2342 static int perf_script__fopen_per_event_dump(struct perf_script *script) 2343 { 2344 struct evsel *evsel; 2345 2346 evlist__for_each_entry(script->session->evlist, evsel) { 2347 /* 2348 * Already setup? I.e. we may be called twice in cases like 2349 * Intel PT, one for the intel_pt// and dummy events, then 2350 * for the evsels syntheized from the auxtrace info. 2351 * 2352 * Ses perf_script__process_auxtrace_info. 2353 */ 2354 if (evsel->priv != NULL) 2355 continue; 2356 2357 evsel->priv = perf_evsel_script__new(evsel, script->session->data); 2358 if (evsel->priv == NULL) 2359 goto out_err_fclose; 2360 } 2361 2362 return 0; 2363 2364 out_err_fclose: 2365 perf_script__fclose_per_event_dump(script); 2366 return -1; 2367 } 2368 2369 static int perf_script__setup_per_event_dump(struct perf_script *script) 2370 { 2371 struct evsel *evsel; 2372 static struct evsel_script es_stdout; 2373 2374 if (script->per_event_dump) 2375 return perf_script__fopen_per_event_dump(script); 2376 2377 es_stdout.fp = stdout; 2378 2379 evlist__for_each_entry(script->session->evlist, evsel) 2380 evsel->priv = &es_stdout; 2381 2382 return 0; 2383 } 2384 2385 static void perf_script__exit_per_event_dump_stats(struct perf_script *script) 2386 { 2387 struct evsel *evsel; 2388 2389 evlist__for_each_entry(script->session->evlist, evsel) { 2390 struct evsel_script *es = evsel->priv; 2391 2392 perf_evsel_script__fprintf(es, stdout); 2393 perf_evsel_script__delete(es); 2394 evsel->priv = NULL; 2395 } 2396 } 2397 2398 static int __cmd_script(struct perf_script *script) 2399 { 2400 int ret; 2401 2402 signal(SIGINT, sig_handler); 2403 2404 perf_stat__init_shadow_stats(); 2405 2406 /* override event processing functions */ 2407 if (script->show_task_events) { 2408 script->tool.comm = process_comm_event; 2409 script->tool.fork = process_fork_event; 2410 script->tool.exit = process_exit_event; 2411 } 2412 if (script->show_mmap_events) { 2413 script->tool.mmap = process_mmap_event; 2414 script->tool.mmap2 = process_mmap2_event; 2415 } 2416 if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch)) 2417 script->tool.context_switch = process_switch_event; 2418 if (script->show_namespace_events) 2419 script->tool.namespaces = process_namespaces_event; 2420 if (script->show_cgroup_events) 2421 script->tool.cgroup = process_cgroup_event; 2422 if (script->show_lost_events) 2423 script->tool.lost = process_lost_event; 2424 if (script->show_round_events) { 2425 script->tool.ordered_events = false; 2426 script->tool.finished_round = process_finished_round_event; 2427 } 2428 if (script->show_bpf_events) { 2429 script->tool.ksymbol = process_bpf_events; 2430 script->tool.bpf = process_bpf_events; 2431 } 2432 2433 if (perf_script__setup_per_event_dump(script)) { 2434 pr_err("Couldn't create the per event dump files\n"); 2435 return -1; 2436 } 2437 2438 ret = perf_session__process_events(script->session); 2439 2440 if (script->per_event_dump) 2441 perf_script__exit_per_event_dump_stats(script); 2442 2443 if (debug_mode) 2444 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); 2445 2446 return ret; 2447 } 2448 2449 struct script_spec { 2450 struct list_head node; 2451 struct scripting_ops *ops; 2452 char spec[]; 2453 }; 2454 2455 static LIST_HEAD(script_specs); 2456 2457 static struct script_spec *script_spec__new(const char *spec, 2458 struct scripting_ops *ops) 2459 { 2460 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); 2461 2462 if (s != NULL) { 2463 strcpy(s->spec, spec); 2464 s->ops = ops; 2465 } 2466 2467 return s; 2468 } 2469 2470 static void script_spec__add(struct script_spec *s) 2471 { 2472 list_add_tail(&s->node, &script_specs); 2473 } 2474 2475 static struct script_spec *script_spec__find(const char *spec) 2476 { 2477 struct script_spec *s; 2478 2479 list_for_each_entry(s, &script_specs, node) 2480 if (strcasecmp(s->spec, spec) == 0) 2481 return s; 2482 return NULL; 2483 } 2484 2485 int script_spec_register(const char *spec, struct scripting_ops *ops) 2486 { 2487 struct script_spec *s; 2488 2489 s = script_spec__find(spec); 2490 if (s) 2491 return -1; 2492 2493 s = script_spec__new(spec, ops); 2494 if (!s) 2495 return -1; 2496 else 2497 script_spec__add(s); 2498 2499 return 0; 2500 } 2501 2502 static struct scripting_ops *script_spec__lookup(const char *spec) 2503 { 2504 struct script_spec *s = script_spec__find(spec); 2505 if (!s) 2506 return NULL; 2507 2508 return s->ops; 2509 } 2510 2511 static void list_available_languages(void) 2512 { 2513 struct script_spec *s; 2514 2515 fprintf(stderr, "\n"); 2516 fprintf(stderr, "Scripting language extensions (used in " 2517 "perf script -s [spec:]script.[spec]):\n\n"); 2518 2519 list_for_each_entry(s, &script_specs, node) 2520 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); 2521 2522 fprintf(stderr, "\n"); 2523 } 2524 2525 static int parse_scriptname(const struct option *opt __maybe_unused, 2526 const char *str, int unset __maybe_unused) 2527 { 2528 char spec[PATH_MAX]; 2529 const char *script, *ext; 2530 int len; 2531 2532 if (strcmp(str, "lang") == 0) { 2533 list_available_languages(); 2534 exit(0); 2535 } 2536 2537 script = strchr(str, ':'); 2538 if (script) { 2539 len = script - str; 2540 if (len >= PATH_MAX) { 2541 fprintf(stderr, "invalid language specifier"); 2542 return -1; 2543 } 2544 strncpy(spec, str, len); 2545 spec[len] = '\0'; 2546 scripting_ops = script_spec__lookup(spec); 2547 if (!scripting_ops) { 2548 fprintf(stderr, "invalid language specifier"); 2549 return -1; 2550 } 2551 script++; 2552 } else { 2553 script = str; 2554 ext = strrchr(script, '.'); 2555 if (!ext) { 2556 fprintf(stderr, "invalid script extension"); 2557 return -1; 2558 } 2559 scripting_ops = script_spec__lookup(++ext); 2560 if (!scripting_ops) { 2561 fprintf(stderr, "invalid script extension"); 2562 return -1; 2563 } 2564 } 2565 2566 script_name = strdup(script); 2567 2568 return 0; 2569 } 2570 2571 static int parse_output_fields(const struct option *opt __maybe_unused, 2572 const char *arg, int unset __maybe_unused) 2573 { 2574 char *tok, *strtok_saveptr = NULL; 2575 int i, imax = ARRAY_SIZE(all_output_options); 2576 int j; 2577 int rc = 0; 2578 char *str = strdup(arg); 2579 int type = -1; 2580 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT; 2581 2582 if (!str) 2583 return -ENOMEM; 2584 2585 /* first word can state for which event type the user is specifying 2586 * the fields. If no type exists, the specified fields apply to all 2587 * event types found in the file minus the invalid fields for a type. 2588 */ 2589 tok = strchr(str, ':'); 2590 if (tok) { 2591 *tok = '\0'; 2592 tok++; 2593 if (!strcmp(str, "hw")) 2594 type = PERF_TYPE_HARDWARE; 2595 else if (!strcmp(str, "sw")) 2596 type = PERF_TYPE_SOFTWARE; 2597 else if (!strcmp(str, "trace")) 2598 type = PERF_TYPE_TRACEPOINT; 2599 else if (!strcmp(str, "raw")) 2600 type = PERF_TYPE_RAW; 2601 else if (!strcmp(str, "break")) 2602 type = PERF_TYPE_BREAKPOINT; 2603 else if (!strcmp(str, "synth")) 2604 type = OUTPUT_TYPE_SYNTH; 2605 else { 2606 fprintf(stderr, "Invalid event type in field string.\n"); 2607 rc = -EINVAL; 2608 goto out; 2609 } 2610 2611 if (output[type].user_set) 2612 pr_warning("Overriding previous field request for %s events.\n", 2613 event_type(type)); 2614 2615 /* Don't override defaults for +- */ 2616 if (strchr(tok, '+') || strchr(tok, '-')) 2617 goto parse; 2618 2619 output[type].fields = 0; 2620 output[type].user_set = true; 2621 output[type].wildcard_set = false; 2622 2623 } else { 2624 tok = str; 2625 if (strlen(str) == 0) { 2626 fprintf(stderr, 2627 "Cannot set fields to 'none' for all event types.\n"); 2628 rc = -EINVAL; 2629 goto out; 2630 } 2631 2632 /* Don't override defaults for +- */ 2633 if (strchr(str, '+') || strchr(str, '-')) 2634 goto parse; 2635 2636 if (output_set_by_user()) 2637 pr_warning("Overriding previous field request for all events.\n"); 2638 2639 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 2640 output[j].fields = 0; 2641 output[j].user_set = true; 2642 output[j].wildcard_set = true; 2643 } 2644 } 2645 2646 parse: 2647 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) { 2648 if (*tok == '+') { 2649 if (change == SET) 2650 goto out_badmix; 2651 change = ADD; 2652 tok++; 2653 } else if (*tok == '-') { 2654 if (change == SET) 2655 goto out_badmix; 2656 change = REMOVE; 2657 tok++; 2658 } else { 2659 if (change != SET && change != DEFAULT) 2660 goto out_badmix; 2661 change = SET; 2662 } 2663 2664 for (i = 0; i < imax; ++i) { 2665 if (strcmp(tok, all_output_options[i].str) == 0) 2666 break; 2667 } 2668 if (i == imax && strcmp(tok, "flags") == 0) { 2669 print_flags = change == REMOVE ? false : true; 2670 continue; 2671 } 2672 if (i == imax) { 2673 fprintf(stderr, "Invalid field requested.\n"); 2674 rc = -EINVAL; 2675 goto out; 2676 } 2677 2678 if (type == -1) { 2679 /* add user option to all events types for 2680 * which it is valid 2681 */ 2682 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 2683 if (output[j].invalid_fields & all_output_options[i].field) { 2684 pr_warning("\'%s\' not valid for %s events. Ignoring.\n", 2685 all_output_options[i].str, event_type(j)); 2686 } else { 2687 if (change == REMOVE) { 2688 output[j].fields &= ~all_output_options[i].field; 2689 output[j].user_set_fields &= ~all_output_options[i].field; 2690 } else { 2691 output[j].fields |= all_output_options[i].field; 2692 output[j].user_set_fields |= all_output_options[i].field; 2693 } 2694 output[j].user_set = true; 2695 output[j].wildcard_set = true; 2696 } 2697 } 2698 } else { 2699 if (output[type].invalid_fields & all_output_options[i].field) { 2700 fprintf(stderr, "\'%s\' not valid for %s events.\n", 2701 all_output_options[i].str, event_type(type)); 2702 2703 rc = -EINVAL; 2704 goto out; 2705 } 2706 if (change == REMOVE) 2707 output[type].fields &= ~all_output_options[i].field; 2708 else 2709 output[type].fields |= all_output_options[i].field; 2710 output[type].user_set = true; 2711 output[type].wildcard_set = true; 2712 } 2713 } 2714 2715 if (type >= 0) { 2716 if (output[type].fields == 0) { 2717 pr_debug("No fields requested for %s type. " 2718 "Events will not be displayed.\n", event_type(type)); 2719 } 2720 } 2721 goto out; 2722 2723 out_badmix: 2724 fprintf(stderr, "Cannot mix +-field with overridden fields\n"); 2725 rc = -EINVAL; 2726 out: 2727 free(str); 2728 return rc; 2729 } 2730 2731 #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \ 2732 while ((lang_dirent = readdir(scripts_dir)) != NULL) \ 2733 if ((lang_dirent->d_type == DT_DIR || \ 2734 (lang_dirent->d_type == DT_UNKNOWN && \ 2735 is_directory(scripts_path, lang_dirent))) && \ 2736 (strcmp(lang_dirent->d_name, ".")) && \ 2737 (strcmp(lang_dirent->d_name, ".."))) 2738 2739 #define for_each_script(lang_path, lang_dir, script_dirent) \ 2740 while ((script_dirent = readdir(lang_dir)) != NULL) \ 2741 if (script_dirent->d_type != DT_DIR && \ 2742 (script_dirent->d_type != DT_UNKNOWN || \ 2743 !is_directory(lang_path, script_dirent))) 2744 2745 2746 #define RECORD_SUFFIX "-record" 2747 #define REPORT_SUFFIX "-report" 2748 2749 struct script_desc { 2750 struct list_head node; 2751 char *name; 2752 char *half_liner; 2753 char *args; 2754 }; 2755 2756 static LIST_HEAD(script_descs); 2757 2758 static struct script_desc *script_desc__new(const char *name) 2759 { 2760 struct script_desc *s = zalloc(sizeof(*s)); 2761 2762 if (s != NULL && name) 2763 s->name = strdup(name); 2764 2765 return s; 2766 } 2767 2768 static void script_desc__delete(struct script_desc *s) 2769 { 2770 zfree(&s->name); 2771 zfree(&s->half_liner); 2772 zfree(&s->args); 2773 free(s); 2774 } 2775 2776 static void script_desc__add(struct script_desc *s) 2777 { 2778 list_add_tail(&s->node, &script_descs); 2779 } 2780 2781 static struct script_desc *script_desc__find(const char *name) 2782 { 2783 struct script_desc *s; 2784 2785 list_for_each_entry(s, &script_descs, node) 2786 if (strcasecmp(s->name, name) == 0) 2787 return s; 2788 return NULL; 2789 } 2790 2791 static struct script_desc *script_desc__findnew(const char *name) 2792 { 2793 struct script_desc *s = script_desc__find(name); 2794 2795 if (s) 2796 return s; 2797 2798 s = script_desc__new(name); 2799 if (!s) 2800 return NULL; 2801 2802 script_desc__add(s); 2803 2804 return s; 2805 } 2806 2807 static const char *ends_with(const char *str, const char *suffix) 2808 { 2809 size_t suffix_len = strlen(suffix); 2810 const char *p = str; 2811 2812 if (strlen(str) > suffix_len) { 2813 p = str + strlen(str) - suffix_len; 2814 if (!strncmp(p, suffix, suffix_len)) 2815 return p; 2816 } 2817 2818 return NULL; 2819 } 2820 2821 static int read_script_info(struct script_desc *desc, const char *filename) 2822 { 2823 char line[BUFSIZ], *p; 2824 FILE *fp; 2825 2826 fp = fopen(filename, "r"); 2827 if (!fp) 2828 return -1; 2829 2830 while (fgets(line, sizeof(line), fp)) { 2831 p = skip_spaces(line); 2832 if (strlen(p) == 0) 2833 continue; 2834 if (*p != '#') 2835 continue; 2836 p++; 2837 if (strlen(p) && *p == '!') 2838 continue; 2839 2840 p = skip_spaces(p); 2841 if (strlen(p) && p[strlen(p) - 1] == '\n') 2842 p[strlen(p) - 1] = '\0'; 2843 2844 if (!strncmp(p, "description:", strlen("description:"))) { 2845 p += strlen("description:"); 2846 desc->half_liner = strdup(skip_spaces(p)); 2847 continue; 2848 } 2849 2850 if (!strncmp(p, "args:", strlen("args:"))) { 2851 p += strlen("args:"); 2852 desc->args = strdup(skip_spaces(p)); 2853 continue; 2854 } 2855 } 2856 2857 fclose(fp); 2858 2859 return 0; 2860 } 2861 2862 static char *get_script_root(struct dirent *script_dirent, const char *suffix) 2863 { 2864 char *script_root, *str; 2865 2866 script_root = strdup(script_dirent->d_name); 2867 if (!script_root) 2868 return NULL; 2869 2870 str = (char *)ends_with(script_root, suffix); 2871 if (!str) { 2872 free(script_root); 2873 return NULL; 2874 } 2875 2876 *str = '\0'; 2877 return script_root; 2878 } 2879 2880 static int list_available_scripts(const struct option *opt __maybe_unused, 2881 const char *s __maybe_unused, 2882 int unset __maybe_unused) 2883 { 2884 struct dirent *script_dirent, *lang_dirent; 2885 char scripts_path[MAXPATHLEN]; 2886 DIR *scripts_dir, *lang_dir; 2887 char script_path[MAXPATHLEN]; 2888 char lang_path[MAXPATHLEN]; 2889 struct script_desc *desc; 2890 char first_half[BUFSIZ]; 2891 char *script_root; 2892 2893 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 2894 2895 scripts_dir = opendir(scripts_path); 2896 if (!scripts_dir) { 2897 fprintf(stdout, 2898 "open(%s) failed.\n" 2899 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n", 2900 scripts_path); 2901 exit(-1); 2902 } 2903 2904 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 2905 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 2906 lang_dirent->d_name); 2907 lang_dir = opendir(lang_path); 2908 if (!lang_dir) 2909 continue; 2910 2911 for_each_script(lang_path, lang_dir, script_dirent) { 2912 script_root = get_script_root(script_dirent, REPORT_SUFFIX); 2913 if (script_root) { 2914 desc = script_desc__findnew(script_root); 2915 scnprintf(script_path, MAXPATHLEN, "%s/%s", 2916 lang_path, script_dirent->d_name); 2917 read_script_info(desc, script_path); 2918 free(script_root); 2919 } 2920 } 2921 } 2922 2923 fprintf(stdout, "List of available trace scripts:\n"); 2924 list_for_each_entry(desc, &script_descs, node) { 2925 sprintf(first_half, "%s %s", desc->name, 2926 desc->args ? desc->args : ""); 2927 fprintf(stdout, " %-36s %s\n", first_half, 2928 desc->half_liner ? desc->half_liner : ""); 2929 } 2930 2931 exit(0); 2932 } 2933 2934 /* 2935 * Some scripts specify the required events in their "xxx-record" file, 2936 * this function will check if the events in perf.data match those 2937 * mentioned in the "xxx-record". 2938 * 2939 * Fixme: All existing "xxx-record" are all in good formats "-e event ", 2940 * which is covered well now. And new parsing code should be added to 2941 * cover the future complexing formats like event groups etc. 2942 */ 2943 static int check_ev_match(char *dir_name, char *scriptname, 2944 struct perf_session *session) 2945 { 2946 char filename[MAXPATHLEN], evname[128]; 2947 char line[BUFSIZ], *p; 2948 struct evsel *pos; 2949 int match, len; 2950 FILE *fp; 2951 2952 scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname); 2953 2954 fp = fopen(filename, "r"); 2955 if (!fp) 2956 return -1; 2957 2958 while (fgets(line, sizeof(line), fp)) { 2959 p = skip_spaces(line); 2960 if (*p == '#') 2961 continue; 2962 2963 while (strlen(p)) { 2964 p = strstr(p, "-e"); 2965 if (!p) 2966 break; 2967 2968 p += 2; 2969 p = skip_spaces(p); 2970 len = strcspn(p, " \t"); 2971 if (!len) 2972 break; 2973 2974 snprintf(evname, len + 1, "%s", p); 2975 2976 match = 0; 2977 evlist__for_each_entry(session->evlist, pos) { 2978 if (!strcmp(evsel__name(pos), evname)) { 2979 match = 1; 2980 break; 2981 } 2982 } 2983 2984 if (!match) { 2985 fclose(fp); 2986 return -1; 2987 } 2988 } 2989 } 2990 2991 fclose(fp); 2992 return 0; 2993 } 2994 2995 /* 2996 * Return -1 if none is found, otherwise the actual scripts number. 2997 * 2998 * Currently the only user of this function is the script browser, which 2999 * will list all statically runnable scripts, select one, execute it and 3000 * show the output in a perf browser. 3001 */ 3002 int find_scripts(char **scripts_array, char **scripts_path_array, int num, 3003 int pathlen) 3004 { 3005 struct dirent *script_dirent, *lang_dirent; 3006 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; 3007 DIR *scripts_dir, *lang_dir; 3008 struct perf_session *session; 3009 struct perf_data data = { 3010 .path = input_name, 3011 .mode = PERF_DATA_MODE_READ, 3012 }; 3013 char *temp; 3014 int i = 0; 3015 3016 session = perf_session__new(&data, false, NULL); 3017 if (IS_ERR(session)) 3018 return PTR_ERR(session); 3019 3020 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3021 3022 scripts_dir = opendir(scripts_path); 3023 if (!scripts_dir) { 3024 perf_session__delete(session); 3025 return -1; 3026 } 3027 3028 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3029 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, 3030 lang_dirent->d_name); 3031 #ifndef HAVE_LIBPERL_SUPPORT 3032 if (strstr(lang_path, "perl")) 3033 continue; 3034 #endif 3035 #ifndef HAVE_LIBPYTHON_SUPPORT 3036 if (strstr(lang_path, "python")) 3037 continue; 3038 #endif 3039 3040 lang_dir = opendir(lang_path); 3041 if (!lang_dir) 3042 continue; 3043 3044 for_each_script(lang_path, lang_dir, script_dirent) { 3045 /* Skip those real time scripts: xxxtop.p[yl] */ 3046 if (strstr(script_dirent->d_name, "top.")) 3047 continue; 3048 if (i >= num) 3049 break; 3050 snprintf(scripts_path_array[i], pathlen, "%s/%s", 3051 lang_path, 3052 script_dirent->d_name); 3053 temp = strchr(script_dirent->d_name, '.'); 3054 snprintf(scripts_array[i], 3055 (temp - script_dirent->d_name) + 1, 3056 "%s", script_dirent->d_name); 3057 3058 if (check_ev_match(lang_path, 3059 scripts_array[i], session)) 3060 continue; 3061 3062 i++; 3063 } 3064 closedir(lang_dir); 3065 } 3066 3067 closedir(scripts_dir); 3068 perf_session__delete(session); 3069 return i; 3070 } 3071 3072 static char *get_script_path(const char *script_root, const char *suffix) 3073 { 3074 struct dirent *script_dirent, *lang_dirent; 3075 char scripts_path[MAXPATHLEN]; 3076 char script_path[MAXPATHLEN]; 3077 DIR *scripts_dir, *lang_dir; 3078 char lang_path[MAXPATHLEN]; 3079 char *__script_root; 3080 3081 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3082 3083 scripts_dir = opendir(scripts_path); 3084 if (!scripts_dir) 3085 return NULL; 3086 3087 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3088 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3089 lang_dirent->d_name); 3090 lang_dir = opendir(lang_path); 3091 if (!lang_dir) 3092 continue; 3093 3094 for_each_script(lang_path, lang_dir, script_dirent) { 3095 __script_root = get_script_root(script_dirent, suffix); 3096 if (__script_root && !strcmp(script_root, __script_root)) { 3097 free(__script_root); 3098 closedir(scripts_dir); 3099 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3100 lang_path, script_dirent->d_name); 3101 closedir(lang_dir); 3102 return strdup(script_path); 3103 } 3104 free(__script_root); 3105 } 3106 closedir(lang_dir); 3107 } 3108 closedir(scripts_dir); 3109 3110 return NULL; 3111 } 3112 3113 static bool is_top_script(const char *script_path) 3114 { 3115 return ends_with(script_path, "top") == NULL ? false : true; 3116 } 3117 3118 static int has_required_arg(char *script_path) 3119 { 3120 struct script_desc *desc; 3121 int n_args = 0; 3122 char *p; 3123 3124 desc = script_desc__new(NULL); 3125 3126 if (read_script_info(desc, script_path)) 3127 goto out; 3128 3129 if (!desc->args) 3130 goto out; 3131 3132 for (p = desc->args; *p; p++) 3133 if (*p == '<') 3134 n_args++; 3135 out: 3136 script_desc__delete(desc); 3137 3138 return n_args; 3139 } 3140 3141 static int have_cmd(int argc, const char **argv) 3142 { 3143 char **__argv = malloc(sizeof(const char *) * argc); 3144 3145 if (!__argv) { 3146 pr_err("malloc failed\n"); 3147 return -1; 3148 } 3149 3150 memcpy(__argv, argv, sizeof(const char *) * argc); 3151 argc = parse_options(argc, (const char **)__argv, record_options, 3152 NULL, PARSE_OPT_STOP_AT_NON_OPTION); 3153 free(__argv); 3154 3155 system_wide = (argc == 0); 3156 3157 return 0; 3158 } 3159 3160 static void script__setup_sample_type(struct perf_script *script) 3161 { 3162 struct perf_session *session = script->session; 3163 u64 sample_type = perf_evlist__combined_sample_type(session->evlist); 3164 3165 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) { 3166 if ((sample_type & PERF_SAMPLE_REGS_USER) && 3167 (sample_type & PERF_SAMPLE_STACK_USER)) { 3168 callchain_param.record_mode = CALLCHAIN_DWARF; 3169 dwarf_callchain_users = true; 3170 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK) 3171 callchain_param.record_mode = CALLCHAIN_LBR; 3172 else 3173 callchain_param.record_mode = CALLCHAIN_FP; 3174 } 3175 3176 if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) { 3177 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n" 3178 "Please apply --call-graph lbr when recording.\n"); 3179 script->stitch_lbr = false; 3180 } 3181 } 3182 3183 static int process_stat_round_event(struct perf_session *session, 3184 union perf_event *event) 3185 { 3186 struct perf_record_stat_round *round = &event->stat_round; 3187 struct evsel *counter; 3188 3189 evlist__for_each_entry(session->evlist, counter) { 3190 perf_stat_process_counter(&stat_config, counter); 3191 process_stat(counter, round->time); 3192 } 3193 3194 process_stat_interval(round->time); 3195 return 0; 3196 } 3197 3198 static int process_stat_config_event(struct perf_session *session __maybe_unused, 3199 union perf_event *event) 3200 { 3201 perf_event__read_stat_config(&stat_config, &event->stat_config); 3202 return 0; 3203 } 3204 3205 static int set_maps(struct perf_script *script) 3206 { 3207 struct evlist *evlist = script->session->evlist; 3208 3209 if (!script->cpus || !script->threads) 3210 return 0; 3211 3212 if (WARN_ONCE(script->allocated, "stats double allocation\n")) 3213 return -EINVAL; 3214 3215 perf_evlist__set_maps(&evlist->core, script->cpus, script->threads); 3216 3217 if (perf_evlist__alloc_stats(evlist, true)) 3218 return -ENOMEM; 3219 3220 script->allocated = true; 3221 return 0; 3222 } 3223 3224 static 3225 int process_thread_map_event(struct perf_session *session, 3226 union perf_event *event) 3227 { 3228 struct perf_tool *tool = session->tool; 3229 struct perf_script *script = container_of(tool, struct perf_script, tool); 3230 3231 if (script->threads) { 3232 pr_warning("Extra thread map event, ignoring.\n"); 3233 return 0; 3234 } 3235 3236 script->threads = thread_map__new_event(&event->thread_map); 3237 if (!script->threads) 3238 return -ENOMEM; 3239 3240 return set_maps(script); 3241 } 3242 3243 static 3244 int process_cpu_map_event(struct perf_session *session, 3245 union perf_event *event) 3246 { 3247 struct perf_tool *tool = session->tool; 3248 struct perf_script *script = container_of(tool, struct perf_script, tool); 3249 3250 if (script->cpus) { 3251 pr_warning("Extra cpu map event, ignoring.\n"); 3252 return 0; 3253 } 3254 3255 script->cpus = cpu_map__new_data(&event->cpu_map.data); 3256 if (!script->cpus) 3257 return -ENOMEM; 3258 3259 return set_maps(script); 3260 } 3261 3262 static int process_feature_event(struct perf_session *session, 3263 union perf_event *event) 3264 { 3265 if (event->feat.feat_id < HEADER_LAST_FEATURE) 3266 return perf_event__process_feature(session, event); 3267 return 0; 3268 } 3269 3270 #ifdef HAVE_AUXTRACE_SUPPORT 3271 static int perf_script__process_auxtrace_info(struct perf_session *session, 3272 union perf_event *event) 3273 { 3274 struct perf_tool *tool = session->tool; 3275 3276 int ret = perf_event__process_auxtrace_info(session, event); 3277 3278 if (ret == 0) { 3279 struct perf_script *script = container_of(tool, struct perf_script, tool); 3280 3281 ret = perf_script__setup_per_event_dump(script); 3282 } 3283 3284 return ret; 3285 } 3286 #else 3287 #define perf_script__process_auxtrace_info 0 3288 #endif 3289 3290 static int parse_insn_trace(const struct option *opt __maybe_unused, 3291 const char *str __maybe_unused, 3292 int unset __maybe_unused) 3293 { 3294 parse_output_fields(NULL, "+insn,-event,-period", 0); 3295 itrace_parse_synth_opts(opt, "i0ns", 0); 3296 symbol_conf.nanosecs = true; 3297 return 0; 3298 } 3299 3300 static int parse_xed(const struct option *opt __maybe_unused, 3301 const char *str __maybe_unused, 3302 int unset __maybe_unused) 3303 { 3304 force_pager("xed -F insn: -A -64 | less"); 3305 return 0; 3306 } 3307 3308 static int parse_call_trace(const struct option *opt __maybe_unused, 3309 const char *str __maybe_unused, 3310 int unset __maybe_unused) 3311 { 3312 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0); 3313 itrace_parse_synth_opts(opt, "cewp", 0); 3314 symbol_conf.nanosecs = true; 3315 symbol_conf.pad_output_len_dso = 50; 3316 return 0; 3317 } 3318 3319 static int parse_callret_trace(const struct option *opt __maybe_unused, 3320 const char *str __maybe_unused, 3321 int unset __maybe_unused) 3322 { 3323 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0); 3324 itrace_parse_synth_opts(opt, "crewp", 0); 3325 symbol_conf.nanosecs = true; 3326 return 0; 3327 } 3328 3329 int cmd_script(int argc, const char **argv) 3330 { 3331 bool show_full_info = false; 3332 bool header = false; 3333 bool header_only = false; 3334 bool script_started = false; 3335 char *rec_script_path = NULL; 3336 char *rep_script_path = NULL; 3337 struct perf_session *session; 3338 struct itrace_synth_opts itrace_synth_opts = { 3339 .set = false, 3340 .default_no_sample = true, 3341 }; 3342 struct utsname uts; 3343 char *script_path = NULL; 3344 const char **__argv; 3345 int i, j, err = 0; 3346 struct perf_script script = { 3347 .tool = { 3348 .sample = process_sample_event, 3349 .mmap = perf_event__process_mmap, 3350 .mmap2 = perf_event__process_mmap2, 3351 .comm = perf_event__process_comm, 3352 .namespaces = perf_event__process_namespaces, 3353 .cgroup = perf_event__process_cgroup, 3354 .exit = perf_event__process_exit, 3355 .fork = perf_event__process_fork, 3356 .attr = process_attr, 3357 .event_update = perf_event__process_event_update, 3358 .tracing_data = perf_event__process_tracing_data, 3359 .feature = process_feature_event, 3360 .build_id = perf_event__process_build_id, 3361 .id_index = perf_event__process_id_index, 3362 .auxtrace_info = perf_script__process_auxtrace_info, 3363 .auxtrace = perf_event__process_auxtrace, 3364 .auxtrace_error = perf_event__process_auxtrace_error, 3365 .stat = perf_event__process_stat_event, 3366 .stat_round = process_stat_round_event, 3367 .stat_config = process_stat_config_event, 3368 .thread_map = process_thread_map_event, 3369 .cpu_map = process_cpu_map_event, 3370 .ordered_events = true, 3371 .ordering_requires_timestamps = true, 3372 }, 3373 }; 3374 struct perf_data data = { 3375 .mode = PERF_DATA_MODE_READ, 3376 }; 3377 const struct option options[] = { 3378 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 3379 "dump raw trace in ASCII"), 3380 OPT_INCR('v', "verbose", &verbose, 3381 "be more verbose (show symbol address, etc)"), 3382 OPT_BOOLEAN('L', "Latency", &latency_format, 3383 "show latency attributes (irqs/preemption disabled, etc)"), 3384 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", 3385 list_available_scripts), 3386 OPT_CALLBACK('s', "script", NULL, "name", 3387 "script file name (lang:script name, script name, or *)", 3388 parse_scriptname), 3389 OPT_STRING('g', "gen-script", &generate_script_lang, "lang", 3390 "generate perf-script.xx script in specified language"), 3391 OPT_STRING('i', "input", &input_name, "file", "input file name"), 3392 OPT_BOOLEAN('d', "debug-mode", &debug_mode, 3393 "do various checks like samples ordering and lost events"), 3394 OPT_BOOLEAN(0, "header", &header, "Show data header."), 3395 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."), 3396 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 3397 "file", "vmlinux pathname"), 3398 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 3399 "file", "kallsyms pathname"), 3400 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, 3401 "When printing symbols do not display call chain"), 3402 OPT_CALLBACK(0, "symfs", NULL, "directory", 3403 "Look for files with symbols relative to this directory", 3404 symbol__config_symfs), 3405 OPT_CALLBACK('F', "fields", NULL, "str", 3406 "comma separated output fields prepend with 'type:'. " 3407 "+field to add and -field to remove." 3408 "Valid types: hw,sw,trace,raw,synth. " 3409 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso," 3410 "addr,symoff,srcline,period,iregs,uregs,brstack," 3411 "brstacksym,flags,bpf-output,brstackinsn,brstackoff," 3412 "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc", 3413 parse_output_fields), 3414 OPT_BOOLEAN('a', "all-cpus", &system_wide, 3415 "system-wide collection from all CPUs"), 3416 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 3417 "only consider these symbols"), 3418 OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL, 3419 "Decode instructions from itrace", parse_insn_trace), 3420 OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL, 3421 "Run xed disassembler on output", parse_xed), 3422 OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL, 3423 "Decode calls from from itrace", parse_call_trace), 3424 OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL, 3425 "Decode calls and returns from itrace", parse_callret_trace), 3426 OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]", 3427 "Only print symbols and callees with --call-trace/--call-ret-trace"), 3428 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]", 3429 "Stop display of callgraph at these symbols"), 3430 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), 3431 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 3432 "only display events for these comms"), 3433 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 3434 "only consider symbols in these pids"), 3435 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 3436 "only consider symbols in these tids"), 3437 OPT_UINTEGER(0, "max-stack", &scripting_max_stack, 3438 "Set the maximum stack depth when parsing the callchain, " 3439 "anything beyond the specified depth will be ignored. " 3440 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 3441 OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"), 3442 OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"), 3443 OPT_BOOLEAN('I', "show-info", &show_full_info, 3444 "display extended information from perf.data file"), 3445 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, 3446 "Show the path of [kernel.kallsyms]"), 3447 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, 3448 "Show the fork/comm/exit events"), 3449 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, 3450 "Show the mmap events"), 3451 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events, 3452 "Show context switch events (if recorded)"), 3453 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events, 3454 "Show namespace events (if recorded)"), 3455 OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events, 3456 "Show cgroup events (if recorded)"), 3457 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events, 3458 "Show lost events (if recorded)"), 3459 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events, 3460 "Show round events (if recorded)"), 3461 OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events, 3462 "Show bpf related events (if recorded)"), 3463 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump, 3464 "Dump trace output to files named by the monitored events"), 3465 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 3466 OPT_INTEGER(0, "max-blocks", &max_blocks, 3467 "Maximum number of code blocks to dump with brstackinsn"), 3468 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, 3469 "Use 9 decimal places when displaying time"), 3470 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 3471 "Instruction Tracing options\n" ITRACE_HELP, 3472 itrace_parse_synth_opts), 3473 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 3474 "Show full source file name path for source lines"), 3475 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 3476 "Enable symbol demangling"), 3477 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 3478 "Enable kernel symbol demangling"), 3479 OPT_STRING(0, "time", &script.time_str, "str", 3480 "Time span of interest (start,stop)"), 3481 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 3482 "Show inline function"), 3483 OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory", 3484 "guest mount directory under which every guest os" 3485 " instance has a subdir"), 3486 OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name, 3487 "file", "file saving guest os vmlinux"), 3488 OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms, 3489 "file", "file saving guest os /proc/kallsyms"), 3490 OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules, 3491 "file", "file saving guest os /proc/modules"), 3492 OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr, 3493 "Enable LBR callgraph stitching approach"), 3494 OPTS_EVSWITCH(&script.evswitch), 3495 OPT_END() 3496 }; 3497 const char * const script_subcommands[] = { "record", "report", NULL }; 3498 const char *script_usage[] = { 3499 "perf script [<options>]", 3500 "perf script [<options>] record <script> [<record-options>] <command>", 3501 "perf script [<options>] report <script> [script-args]", 3502 "perf script [<options>] <script> [<record-options>] <command>", 3503 "perf script [<options>] <top-script> [script-args]", 3504 NULL 3505 }; 3506 3507 perf_set_singlethreaded(); 3508 3509 setup_scripting(); 3510 3511 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage, 3512 PARSE_OPT_STOP_AT_NON_OPTION); 3513 3514 if (symbol_conf.guestmount || 3515 symbol_conf.default_guest_vmlinux_name || 3516 symbol_conf.default_guest_kallsyms || 3517 symbol_conf.default_guest_modules) { 3518 /* 3519 * Enable guest sample processing. 3520 */ 3521 perf_guest = true; 3522 } 3523 3524 data.path = input_name; 3525 data.force = symbol_conf.force; 3526 3527 if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) { 3528 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); 3529 if (!rec_script_path) 3530 return cmd_record(argc, argv); 3531 } 3532 3533 if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) { 3534 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); 3535 if (!rep_script_path) { 3536 fprintf(stderr, 3537 "Please specify a valid report script" 3538 "(see 'perf script -l' for listing)\n"); 3539 return -1; 3540 } 3541 } 3542 3543 if (reltime && deltatime) { 3544 fprintf(stderr, 3545 "reltime and deltatime - the two don't get along well. " 3546 "Please limit to --reltime or --deltatime.\n"); 3547 return -1; 3548 } 3549 3550 if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) && 3551 itrace_synth_opts.callchain_sz > scripting_max_stack) 3552 scripting_max_stack = itrace_synth_opts.callchain_sz; 3553 3554 /* make sure PERF_EXEC_PATH is set for scripts */ 3555 set_argv_exec_path(get_argv_exec_path()); 3556 3557 if (argc && !script_name && !rec_script_path && !rep_script_path) { 3558 int live_pipe[2]; 3559 int rep_args; 3560 pid_t pid; 3561 3562 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); 3563 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); 3564 3565 if (!rec_script_path && !rep_script_path) { 3566 usage_with_options_msg(script_usage, options, 3567 "Couldn't find script `%s'\n\n See perf" 3568 " script -l for available scripts.\n", argv[0]); 3569 } 3570 3571 if (is_top_script(argv[0])) { 3572 rep_args = argc - 1; 3573 } else { 3574 int rec_args; 3575 3576 rep_args = has_required_arg(rep_script_path); 3577 rec_args = (argc - 1) - rep_args; 3578 if (rec_args < 0) { 3579 usage_with_options_msg(script_usage, options, 3580 "`%s' script requires options." 3581 "\n\n See perf script -l for available " 3582 "scripts and options.\n", argv[0]); 3583 } 3584 } 3585 3586 if (pipe(live_pipe) < 0) { 3587 perror("failed to create pipe"); 3588 return -1; 3589 } 3590 3591 pid = fork(); 3592 if (pid < 0) { 3593 perror("failed to fork"); 3594 return -1; 3595 } 3596 3597 if (!pid) { 3598 j = 0; 3599 3600 dup2(live_pipe[1], 1); 3601 close(live_pipe[0]); 3602 3603 if (is_top_script(argv[0])) { 3604 system_wide = true; 3605 } else if (!system_wide) { 3606 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { 3607 err = -1; 3608 goto out; 3609 } 3610 } 3611 3612 __argv = malloc((argc + 6) * sizeof(const char *)); 3613 if (!__argv) { 3614 pr_err("malloc failed\n"); 3615 err = -ENOMEM; 3616 goto out; 3617 } 3618 3619 __argv[j++] = "/bin/sh"; 3620 __argv[j++] = rec_script_path; 3621 if (system_wide) 3622 __argv[j++] = "-a"; 3623 __argv[j++] = "-q"; 3624 __argv[j++] = "-o"; 3625 __argv[j++] = "-"; 3626 for (i = rep_args + 1; i < argc; i++) 3627 __argv[j++] = argv[i]; 3628 __argv[j++] = NULL; 3629 3630 execvp("/bin/sh", (char **)__argv); 3631 free(__argv); 3632 exit(-1); 3633 } 3634 3635 dup2(live_pipe[0], 0); 3636 close(live_pipe[1]); 3637 3638 __argv = malloc((argc + 4) * sizeof(const char *)); 3639 if (!__argv) { 3640 pr_err("malloc failed\n"); 3641 err = -ENOMEM; 3642 goto out; 3643 } 3644 3645 j = 0; 3646 __argv[j++] = "/bin/sh"; 3647 __argv[j++] = rep_script_path; 3648 for (i = 1; i < rep_args + 1; i++) 3649 __argv[j++] = argv[i]; 3650 __argv[j++] = "-i"; 3651 __argv[j++] = "-"; 3652 __argv[j++] = NULL; 3653 3654 execvp("/bin/sh", (char **)__argv); 3655 free(__argv); 3656 exit(-1); 3657 } 3658 3659 if (rec_script_path) 3660 script_path = rec_script_path; 3661 if (rep_script_path) 3662 script_path = rep_script_path; 3663 3664 if (script_path) { 3665 j = 0; 3666 3667 if (!rec_script_path) 3668 system_wide = false; 3669 else if (!system_wide) { 3670 if (have_cmd(argc - 1, &argv[1]) != 0) { 3671 err = -1; 3672 goto out; 3673 } 3674 } 3675 3676 __argv = malloc((argc + 2) * sizeof(const char *)); 3677 if (!__argv) { 3678 pr_err("malloc failed\n"); 3679 err = -ENOMEM; 3680 goto out; 3681 } 3682 3683 __argv[j++] = "/bin/sh"; 3684 __argv[j++] = script_path; 3685 if (system_wide) 3686 __argv[j++] = "-a"; 3687 for (i = 2; i < argc; i++) 3688 __argv[j++] = argv[i]; 3689 __argv[j++] = NULL; 3690 3691 execvp("/bin/sh", (char **)__argv); 3692 free(__argv); 3693 exit(-1); 3694 } 3695 3696 if (!script_name) { 3697 setup_pager(); 3698 use_browser = 0; 3699 } 3700 3701 session = perf_session__new(&data, false, &script.tool); 3702 if (IS_ERR(session)) 3703 return PTR_ERR(session); 3704 3705 if (header || header_only) { 3706 script.tool.show_feat_hdr = SHOW_FEAT_HEADER; 3707 perf_session__fprintf_info(session, stdout, show_full_info); 3708 if (header_only) 3709 goto out_delete; 3710 } 3711 if (show_full_info) 3712 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 3713 3714 if (symbol__init(&session->header.env) < 0) 3715 goto out_delete; 3716 3717 uname(&uts); 3718 if (data.is_pipe || /* assume pipe_mode indicates native_arch */ 3719 !strcmp(uts.machine, session->header.env.arch) || 3720 (!strcmp(uts.machine, "x86_64") && 3721 !strcmp(session->header.env.arch, "i386"))) 3722 native_arch = true; 3723 3724 script.session = session; 3725 script__setup_sample_type(&script); 3726 3727 if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) || 3728 symbol_conf.graph_function) 3729 itrace_synth_opts.thread_stack = true; 3730 3731 session->itrace_synth_opts = &itrace_synth_opts; 3732 3733 if (cpu_list) { 3734 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap); 3735 if (err < 0) 3736 goto out_delete; 3737 itrace_synth_opts.cpu_bitmap = cpu_bitmap; 3738 } 3739 3740 if (!no_callchain) 3741 symbol_conf.use_callchain = true; 3742 else 3743 symbol_conf.use_callchain = false; 3744 3745 if (session->tevent.pevent && 3746 tep_set_function_resolver(session->tevent.pevent, 3747 machine__resolve_kernel_addr, 3748 &session->machines.host) < 0) { 3749 pr_err("%s: failed to set libtraceevent function resolver\n", __func__); 3750 err = -1; 3751 goto out_delete; 3752 } 3753 3754 if (generate_script_lang) { 3755 struct stat perf_stat; 3756 int input; 3757 3758 if (output_set_by_user()) { 3759 fprintf(stderr, 3760 "custom fields not supported for generated scripts"); 3761 err = -EINVAL; 3762 goto out_delete; 3763 } 3764 3765 input = open(data.path, O_RDONLY); /* input_name */ 3766 if (input < 0) { 3767 err = -errno; 3768 perror("failed to open file"); 3769 goto out_delete; 3770 } 3771 3772 err = fstat(input, &perf_stat); 3773 if (err < 0) { 3774 perror("failed to stat file"); 3775 goto out_delete; 3776 } 3777 3778 if (!perf_stat.st_size) { 3779 fprintf(stderr, "zero-sized file, nothing to do!\n"); 3780 goto out_delete; 3781 } 3782 3783 scripting_ops = script_spec__lookup(generate_script_lang); 3784 if (!scripting_ops) { 3785 fprintf(stderr, "invalid language specifier"); 3786 err = -ENOENT; 3787 goto out_delete; 3788 } 3789 3790 err = scripting_ops->generate_script(session->tevent.pevent, 3791 "perf-script"); 3792 goto out_delete; 3793 } 3794 3795 if (script_name) { 3796 err = scripting_ops->start_script(script_name, argc, argv); 3797 if (err) 3798 goto out_delete; 3799 pr_debug("perf script started with script %s\n\n", script_name); 3800 script_started = true; 3801 } 3802 3803 3804 err = perf_session__check_output_opt(session); 3805 if (err < 0) 3806 goto out_delete; 3807 3808 if (script.time_str) { 3809 err = perf_time__parse_for_ranges_reltime(script.time_str, session, 3810 &script.ptime_range, 3811 &script.range_size, 3812 &script.range_num, 3813 reltime); 3814 if (err < 0) 3815 goto out_delete; 3816 3817 itrace_synth_opts__set_time_range(&itrace_synth_opts, 3818 script.ptime_range, 3819 script.range_num); 3820 } 3821 3822 err = evswitch__init(&script.evswitch, session->evlist, stderr); 3823 if (err) 3824 goto out_delete; 3825 3826 err = __cmd_script(&script); 3827 3828 flush_scripting(); 3829 3830 out_delete: 3831 if (script.ptime_range) { 3832 itrace_synth_opts__clear_time_range(&itrace_synth_opts); 3833 zfree(&script.ptime_range); 3834 } 3835 3836 perf_evlist__free_stats(session->evlist); 3837 perf_session__delete(session); 3838 3839 if (script_started) 3840 cleanup_scripting(); 3841 out: 3842 return err; 3843 } 3844