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/evswitch.h" 21 #include "util/sort.h" 22 #include "util/data.h" 23 #include "util/auxtrace.h" 24 #include "util/cpumap.h" 25 #include "util/thread_map.h" 26 #include "util/stat.h" 27 #include "util/color.h" 28 #include "util/string2.h" 29 #include "util/thread-stack.h" 30 #include "util/time-utils.h" 31 #include "util/path.h" 32 #include "ui/ui.h" 33 #include "print_binary.h" 34 #include "archinsn.h" 35 #include <linux/bitmap.h> 36 #include <linux/kernel.h> 37 #include <linux/stringify.h> 38 #include <linux/time64.h> 39 #include <linux/zalloc.h> 40 #include <sys/utsname.h> 41 #include "asm/bug.h" 42 #include "util/mem-events.h" 43 #include "util/dump-insn.h" 44 #include <dirent.h> 45 #include <errno.h> 46 #include <inttypes.h> 47 #include <signal.h> 48 #include <sys/param.h> 49 #include <sys/types.h> 50 #include <sys/stat.h> 51 #include <fcntl.h> 52 #include <unistd.h> 53 #include <subcmd/pager.h> 54 #include <perf/evlist.h> 55 #include <linux/err.h> 56 #include "util/record.h" 57 #include "util/util.h" 58 #include "perf.h" 59 60 #include <linux/ctype.h> 61 62 static char const *script_name; 63 static char const *generate_script_lang; 64 static bool reltime; 65 static u64 initial_time; 66 static bool debug_mode; 67 static u64 last_timestamp; 68 static u64 nr_unordered; 69 static bool no_callchain; 70 static bool latency_format; 71 static bool system_wide; 72 static bool print_flags; 73 static const char *cpu_list; 74 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); 75 static struct perf_stat_config stat_config; 76 static int max_blocks; 77 static bool native_arch; 78 79 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH; 80 81 enum perf_output_field { 82 PERF_OUTPUT_COMM = 1U << 0, 83 PERF_OUTPUT_TID = 1U << 1, 84 PERF_OUTPUT_PID = 1U << 2, 85 PERF_OUTPUT_TIME = 1U << 3, 86 PERF_OUTPUT_CPU = 1U << 4, 87 PERF_OUTPUT_EVNAME = 1U << 5, 88 PERF_OUTPUT_TRACE = 1U << 6, 89 PERF_OUTPUT_IP = 1U << 7, 90 PERF_OUTPUT_SYM = 1U << 8, 91 PERF_OUTPUT_DSO = 1U << 9, 92 PERF_OUTPUT_ADDR = 1U << 10, 93 PERF_OUTPUT_SYMOFFSET = 1U << 11, 94 PERF_OUTPUT_SRCLINE = 1U << 12, 95 PERF_OUTPUT_PERIOD = 1U << 13, 96 PERF_OUTPUT_IREGS = 1U << 14, 97 PERF_OUTPUT_BRSTACK = 1U << 15, 98 PERF_OUTPUT_BRSTACKSYM = 1U << 16, 99 PERF_OUTPUT_DATA_SRC = 1U << 17, 100 PERF_OUTPUT_WEIGHT = 1U << 18, 101 PERF_OUTPUT_BPF_OUTPUT = 1U << 19, 102 PERF_OUTPUT_CALLINDENT = 1U << 20, 103 PERF_OUTPUT_INSN = 1U << 21, 104 PERF_OUTPUT_INSNLEN = 1U << 22, 105 PERF_OUTPUT_BRSTACKINSN = 1U << 23, 106 PERF_OUTPUT_BRSTACKOFF = 1U << 24, 107 PERF_OUTPUT_SYNTH = 1U << 25, 108 PERF_OUTPUT_PHYS_ADDR = 1U << 26, 109 PERF_OUTPUT_UREGS = 1U << 27, 110 PERF_OUTPUT_METRIC = 1U << 28, 111 PERF_OUTPUT_MISC = 1U << 29, 112 PERF_OUTPUT_SRCCODE = 1U << 30, 113 PERF_OUTPUT_IPC = 1U << 31, 114 }; 115 116 struct output_option { 117 const char *str; 118 enum perf_output_field field; 119 } all_output_options[] = { 120 {.str = "comm", .field = PERF_OUTPUT_COMM}, 121 {.str = "tid", .field = PERF_OUTPUT_TID}, 122 {.str = "pid", .field = PERF_OUTPUT_PID}, 123 {.str = "time", .field = PERF_OUTPUT_TIME}, 124 {.str = "cpu", .field = PERF_OUTPUT_CPU}, 125 {.str = "event", .field = PERF_OUTPUT_EVNAME}, 126 {.str = "trace", .field = PERF_OUTPUT_TRACE}, 127 {.str = "ip", .field = PERF_OUTPUT_IP}, 128 {.str = "sym", .field = PERF_OUTPUT_SYM}, 129 {.str = "dso", .field = PERF_OUTPUT_DSO}, 130 {.str = "addr", .field = PERF_OUTPUT_ADDR}, 131 {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET}, 132 {.str = "srcline", .field = PERF_OUTPUT_SRCLINE}, 133 {.str = "period", .field = PERF_OUTPUT_PERIOD}, 134 {.str = "iregs", .field = PERF_OUTPUT_IREGS}, 135 {.str = "uregs", .field = PERF_OUTPUT_UREGS}, 136 {.str = "brstack", .field = PERF_OUTPUT_BRSTACK}, 137 {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM}, 138 {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC}, 139 {.str = "weight", .field = PERF_OUTPUT_WEIGHT}, 140 {.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT}, 141 {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT}, 142 {.str = "insn", .field = PERF_OUTPUT_INSN}, 143 {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN}, 144 {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN}, 145 {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF}, 146 {.str = "synth", .field = PERF_OUTPUT_SYNTH}, 147 {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR}, 148 {.str = "metric", .field = PERF_OUTPUT_METRIC}, 149 {.str = "misc", .field = PERF_OUTPUT_MISC}, 150 {.str = "srccode", .field = PERF_OUTPUT_SRCCODE}, 151 {.str = "ipc", .field = PERF_OUTPUT_IPC}, 152 }; 153 154 enum { 155 OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX, 156 OUTPUT_TYPE_MAX 157 }; 158 159 /* default set to maintain compatibility with current format */ 160 static struct { 161 bool user_set; 162 bool wildcard_set; 163 unsigned int print_ip_opts; 164 u64 fields; 165 u64 invalid_fields; 166 u64 user_set_fields; 167 } output[OUTPUT_TYPE_MAX] = { 168 169 [PERF_TYPE_HARDWARE] = { 170 .user_set = false, 171 172 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 173 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 174 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 175 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 176 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 177 178 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 179 }, 180 181 [PERF_TYPE_SOFTWARE] = { 182 .user_set = false, 183 184 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 185 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 186 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 187 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 188 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 189 PERF_OUTPUT_BPF_OUTPUT, 190 191 .invalid_fields = PERF_OUTPUT_TRACE, 192 }, 193 194 [PERF_TYPE_TRACEPOINT] = { 195 .user_set = false, 196 197 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 198 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 199 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE 200 }, 201 202 [PERF_TYPE_HW_CACHE] = { 203 .user_set = false, 204 205 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 206 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 207 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 208 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 209 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 210 211 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 212 }, 213 214 [PERF_TYPE_RAW] = { 215 .user_set = false, 216 217 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 218 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 219 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 220 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 221 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 222 PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC | 223 PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR, 224 225 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 226 }, 227 228 [PERF_TYPE_BREAKPOINT] = { 229 .user_set = false, 230 231 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 232 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 233 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 234 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 235 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 236 237 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 238 }, 239 240 [OUTPUT_TYPE_SYNTH] = { 241 .user_set = false, 242 243 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 244 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 245 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 246 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 247 PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH, 248 249 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 250 }, 251 }; 252 253 struct evsel_script { 254 char *filename; 255 FILE *fp; 256 u64 samples; 257 /* For metric output */ 258 u64 val; 259 int gnum; 260 }; 261 262 static inline struct evsel_script *evsel_script(struct evsel *evsel) 263 { 264 return (struct evsel_script *)evsel->priv; 265 } 266 267 static struct evsel_script *perf_evsel_script__new(struct evsel *evsel, 268 struct perf_data *data) 269 { 270 struct evsel_script *es = zalloc(sizeof(*es)); 271 272 if (es != NULL) { 273 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, perf_evsel__name(evsel)) < 0) 274 goto out_free; 275 es->fp = fopen(es->filename, "w"); 276 if (es->fp == NULL) 277 goto out_free_filename; 278 } 279 280 return es; 281 out_free_filename: 282 zfree(&es->filename); 283 out_free: 284 free(es); 285 return NULL; 286 } 287 288 static void perf_evsel_script__delete(struct evsel_script *es) 289 { 290 zfree(&es->filename); 291 fclose(es->fp); 292 es->fp = NULL; 293 free(es); 294 } 295 296 static int perf_evsel_script__fprintf(struct evsel_script *es, FILE *fp) 297 { 298 struct stat st; 299 300 fstat(fileno(es->fp), &st); 301 return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n", 302 st.st_size / 1024.0 / 1024.0, es->filename, es->samples); 303 } 304 305 static inline int output_type(unsigned int type) 306 { 307 switch (type) { 308 case PERF_TYPE_SYNTH: 309 return OUTPUT_TYPE_SYNTH; 310 default: 311 return type; 312 } 313 } 314 315 static inline unsigned int attr_type(unsigned int type) 316 { 317 switch (type) { 318 case OUTPUT_TYPE_SYNTH: 319 return PERF_TYPE_SYNTH; 320 default: 321 return type; 322 } 323 } 324 325 static bool output_set_by_user(void) 326 { 327 int j; 328 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 329 if (output[j].user_set) 330 return true; 331 } 332 return false; 333 } 334 335 static const char *output_field2str(enum perf_output_field field) 336 { 337 int i, imax = ARRAY_SIZE(all_output_options); 338 const char *str = ""; 339 340 for (i = 0; i < imax; ++i) { 341 if (all_output_options[i].field == field) { 342 str = all_output_options[i].str; 343 break; 344 } 345 } 346 return str; 347 } 348 349 #define PRINT_FIELD(x) (output[output_type(attr->type)].fields & PERF_OUTPUT_##x) 350 351 static int perf_evsel__do_check_stype(struct evsel *evsel, 352 u64 sample_type, const char *sample_msg, 353 enum perf_output_field field, 354 bool allow_user_set) 355 { 356 struct perf_event_attr *attr = &evsel->core.attr; 357 int type = output_type(attr->type); 358 const char *evname; 359 360 if (attr->sample_type & sample_type) 361 return 0; 362 363 if (output[type].user_set_fields & field) { 364 if (allow_user_set) 365 return 0; 366 evname = perf_evsel__name(evsel); 367 pr_err("Samples for '%s' event do not have %s attribute set. " 368 "Cannot print '%s' field.\n", 369 evname, sample_msg, output_field2str(field)); 370 return -1; 371 } 372 373 /* user did not ask for it explicitly so remove from the default list */ 374 output[type].fields &= ~field; 375 evname = perf_evsel__name(evsel); 376 pr_debug("Samples for '%s' event do not have %s attribute set. " 377 "Skipping '%s' field.\n", 378 evname, sample_msg, output_field2str(field)); 379 380 return 0; 381 } 382 383 static int perf_evsel__check_stype(struct evsel *evsel, 384 u64 sample_type, const char *sample_msg, 385 enum perf_output_field field) 386 { 387 return perf_evsel__do_check_stype(evsel, sample_type, sample_msg, field, 388 false); 389 } 390 391 static int perf_evsel__check_attr(struct evsel *evsel, 392 struct perf_session *session) 393 { 394 struct perf_event_attr *attr = &evsel->core.attr; 395 bool allow_user_set; 396 397 if (perf_header__has_feat(&session->header, HEADER_STAT)) 398 return 0; 399 400 allow_user_set = perf_header__has_feat(&session->header, 401 HEADER_AUXTRACE); 402 403 if (PRINT_FIELD(TRACE) && 404 !perf_session__has_traces(session, "record -R")) 405 return -EINVAL; 406 407 if (PRINT_FIELD(IP)) { 408 if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", 409 PERF_OUTPUT_IP)) 410 return -EINVAL; 411 } 412 413 if (PRINT_FIELD(ADDR) && 414 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", 415 PERF_OUTPUT_ADDR, allow_user_set)) 416 return -EINVAL; 417 418 if (PRINT_FIELD(DATA_SRC) && 419 perf_evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", 420 PERF_OUTPUT_DATA_SRC)) 421 return -EINVAL; 422 423 if (PRINT_FIELD(WEIGHT) && 424 perf_evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT", 425 PERF_OUTPUT_WEIGHT)) 426 return -EINVAL; 427 428 if (PRINT_FIELD(SYM) && 429 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 430 pr_err("Display of symbols requested but neither sample IP nor " 431 "sample address\navailable. Hence, no addresses to convert " 432 "to symbols.\n"); 433 return -EINVAL; 434 } 435 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) { 436 pr_err("Display of offsets requested but symbol is not" 437 "selected.\n"); 438 return -EINVAL; 439 } 440 if (PRINT_FIELD(DSO) && 441 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 442 pr_err("Display of DSO requested but no address to convert.\n"); 443 return -EINVAL; 444 } 445 if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) { 446 pr_err("Display of source line number requested but sample IP is not\n" 447 "selected. Hence, no address to lookup the source line number.\n"); 448 return -EINVAL; 449 } 450 if (PRINT_FIELD(BRSTACKINSN) && 451 !(perf_evlist__combined_branch_type(session->evlist) & 452 PERF_SAMPLE_BRANCH_ANY)) { 453 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n" 454 "Hint: run 'perf record -b ...'\n"); 455 return -EINVAL; 456 } 457 if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) && 458 perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", 459 PERF_OUTPUT_TID|PERF_OUTPUT_PID)) 460 return -EINVAL; 461 462 if (PRINT_FIELD(TIME) && 463 perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", 464 PERF_OUTPUT_TIME)) 465 return -EINVAL; 466 467 if (PRINT_FIELD(CPU) && 468 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", 469 PERF_OUTPUT_CPU, allow_user_set)) 470 return -EINVAL; 471 472 if (PRINT_FIELD(IREGS) && 473 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", 474 PERF_OUTPUT_IREGS)) 475 return -EINVAL; 476 477 if (PRINT_FIELD(UREGS) && 478 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", 479 PERF_OUTPUT_UREGS)) 480 return -EINVAL; 481 482 if (PRINT_FIELD(PHYS_ADDR) && 483 perf_evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", 484 PERF_OUTPUT_PHYS_ADDR)) 485 return -EINVAL; 486 487 return 0; 488 } 489 490 static void set_print_ip_opts(struct perf_event_attr *attr) 491 { 492 unsigned int type = output_type(attr->type); 493 494 output[type].print_ip_opts = 0; 495 if (PRINT_FIELD(IP)) 496 output[type].print_ip_opts |= EVSEL__PRINT_IP; 497 498 if (PRINT_FIELD(SYM)) 499 output[type].print_ip_opts |= EVSEL__PRINT_SYM; 500 501 if (PRINT_FIELD(DSO)) 502 output[type].print_ip_opts |= EVSEL__PRINT_DSO; 503 504 if (PRINT_FIELD(SYMOFFSET)) 505 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET; 506 507 if (PRINT_FIELD(SRCLINE)) 508 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE; 509 } 510 511 /* 512 * verify all user requested events exist and the samples 513 * have the expected data 514 */ 515 static int perf_session__check_output_opt(struct perf_session *session) 516 { 517 unsigned int j; 518 struct evsel *evsel; 519 520 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 521 evsel = perf_session__find_first_evtype(session, attr_type(j)); 522 523 /* 524 * even if fields is set to 0 (ie., show nothing) event must 525 * exist if user explicitly includes it on the command line 526 */ 527 if (!evsel && output[j].user_set && !output[j].wildcard_set && 528 j != OUTPUT_TYPE_SYNTH) { 529 pr_err("%s events do not exist. " 530 "Remove corresponding -F option to proceed.\n", 531 event_type(j)); 532 return -1; 533 } 534 535 if (evsel && output[j].fields && 536 perf_evsel__check_attr(evsel, session)) 537 return -1; 538 539 if (evsel == NULL) 540 continue; 541 542 set_print_ip_opts(&evsel->core.attr); 543 } 544 545 if (!no_callchain) { 546 bool use_callchain = false; 547 bool not_pipe = false; 548 549 evlist__for_each_entry(session->evlist, evsel) { 550 not_pipe = true; 551 if (evsel__has_callchain(evsel)) { 552 use_callchain = true; 553 break; 554 } 555 } 556 if (not_pipe && !use_callchain) 557 symbol_conf.use_callchain = false; 558 } 559 560 /* 561 * set default for tracepoints to print symbols only 562 * if callchains are present 563 */ 564 if (symbol_conf.use_callchain && 565 !output[PERF_TYPE_TRACEPOINT].user_set) { 566 j = PERF_TYPE_TRACEPOINT; 567 568 evlist__for_each_entry(session->evlist, evsel) { 569 if (evsel->core.attr.type != j) 570 continue; 571 572 if (evsel__has_callchain(evsel)) { 573 output[j].fields |= PERF_OUTPUT_IP; 574 output[j].fields |= PERF_OUTPUT_SYM; 575 output[j].fields |= PERF_OUTPUT_SYMOFFSET; 576 output[j].fields |= PERF_OUTPUT_DSO; 577 set_print_ip_opts(&evsel->core.attr); 578 goto out; 579 } 580 } 581 } 582 583 out: 584 return 0; 585 } 586 587 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask, 588 FILE *fp 589 ) 590 { 591 unsigned i = 0, r; 592 int printed = 0; 593 594 if (!regs || !regs->regs) 595 return 0; 596 597 printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi); 598 599 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) { 600 u64 val = regs->regs[i++]; 601 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val); 602 } 603 604 fprintf(fp, "\n"); 605 606 return printed; 607 } 608 609 static int perf_sample__fprintf_iregs(struct perf_sample *sample, 610 struct perf_event_attr *attr, FILE *fp) 611 { 612 return perf_sample__fprintf_regs(&sample->intr_regs, 613 attr->sample_regs_intr, fp); 614 } 615 616 static int perf_sample__fprintf_uregs(struct perf_sample *sample, 617 struct perf_event_attr *attr, FILE *fp) 618 { 619 return perf_sample__fprintf_regs(&sample->user_regs, 620 attr->sample_regs_user, fp); 621 } 622 623 static int perf_sample__fprintf_start(struct perf_sample *sample, 624 struct thread *thread, 625 struct evsel *evsel, 626 u32 type, FILE *fp) 627 { 628 struct perf_event_attr *attr = &evsel->core.attr; 629 unsigned long secs; 630 unsigned long long nsecs; 631 int printed = 0; 632 633 if (PRINT_FIELD(COMM)) { 634 if (latency_format) 635 printed += fprintf(fp, "%8.8s ", thread__comm_str(thread)); 636 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain) 637 printed += fprintf(fp, "%s ", thread__comm_str(thread)); 638 else 639 printed += fprintf(fp, "%16s ", thread__comm_str(thread)); 640 } 641 642 if (PRINT_FIELD(PID) && PRINT_FIELD(TID)) 643 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid); 644 else if (PRINT_FIELD(PID)) 645 printed += fprintf(fp, "%5d ", sample->pid); 646 else if (PRINT_FIELD(TID)) 647 printed += fprintf(fp, "%5d ", sample->tid); 648 649 if (PRINT_FIELD(CPU)) { 650 if (latency_format) 651 printed += fprintf(fp, "%3d ", sample->cpu); 652 else 653 printed += fprintf(fp, "[%03d] ", sample->cpu); 654 } 655 656 if (PRINT_FIELD(MISC)) { 657 int ret = 0; 658 659 #define has(m) \ 660 (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m 661 662 if (has(KERNEL)) 663 ret += fprintf(fp, "K"); 664 if (has(USER)) 665 ret += fprintf(fp, "U"); 666 if (has(HYPERVISOR)) 667 ret += fprintf(fp, "H"); 668 if (has(GUEST_KERNEL)) 669 ret += fprintf(fp, "G"); 670 if (has(GUEST_USER)) 671 ret += fprintf(fp, "g"); 672 673 switch (type) { 674 case PERF_RECORD_MMAP: 675 case PERF_RECORD_MMAP2: 676 if (has(MMAP_DATA)) 677 ret += fprintf(fp, "M"); 678 break; 679 case PERF_RECORD_COMM: 680 if (has(COMM_EXEC)) 681 ret += fprintf(fp, "E"); 682 break; 683 case PERF_RECORD_SWITCH: 684 case PERF_RECORD_SWITCH_CPU_WIDE: 685 if (has(SWITCH_OUT)) { 686 ret += fprintf(fp, "S"); 687 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT) 688 ret += fprintf(fp, "p"); 689 } 690 default: 691 break; 692 } 693 694 #undef has 695 696 ret += fprintf(fp, "%*s", 6 - ret, " "); 697 printed += ret; 698 } 699 700 if (PRINT_FIELD(TIME)) { 701 u64 t = sample->time; 702 if (reltime) { 703 if (!initial_time) 704 initial_time = sample->time; 705 t = sample->time - initial_time; 706 } 707 nsecs = t; 708 secs = nsecs / NSEC_PER_SEC; 709 nsecs -= secs * NSEC_PER_SEC; 710 711 if (symbol_conf.nanosecs) 712 printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs); 713 else { 714 char sample_time[32]; 715 timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time)); 716 printed += fprintf(fp, "%12s: ", sample_time); 717 } 718 } 719 720 return printed; 721 } 722 723 static inline char 724 mispred_str(struct branch_entry *br) 725 { 726 if (!(br->flags.mispred || br->flags.predicted)) 727 return '-'; 728 729 return br->flags.predicted ? 'P' : 'M'; 730 } 731 732 static int perf_sample__fprintf_brstack(struct perf_sample *sample, 733 struct thread *thread, 734 struct perf_event_attr *attr, FILE *fp) 735 { 736 struct branch_stack *br = sample->branch_stack; 737 struct addr_location alf, alt; 738 u64 i, from, to; 739 int printed = 0; 740 741 if (!(br && br->nr)) 742 return 0; 743 744 for (i = 0; i < br->nr; i++) { 745 from = br->entries[i].from; 746 to = br->entries[i].to; 747 748 if (PRINT_FIELD(DSO)) { 749 memset(&alf, 0, sizeof(alf)); 750 memset(&alt, 0, sizeof(alt)); 751 thread__find_map_fb(thread, sample->cpumode, from, &alf); 752 thread__find_map_fb(thread, sample->cpumode, to, &alt); 753 } 754 755 printed += fprintf(fp, " 0x%"PRIx64, from); 756 if (PRINT_FIELD(DSO)) { 757 printed += fprintf(fp, "("); 758 printed += map__fprintf_dsoname(alf.map, fp); 759 printed += fprintf(fp, ")"); 760 } 761 762 printed += fprintf(fp, "/0x%"PRIx64, to); 763 if (PRINT_FIELD(DSO)) { 764 printed += fprintf(fp, "("); 765 printed += map__fprintf_dsoname(alt.map, fp); 766 printed += fprintf(fp, ")"); 767 } 768 769 printed += fprintf(fp, "/%c/%c/%c/%d ", 770 mispred_str( br->entries + i), 771 br->entries[i].flags.in_tx? 'X' : '-', 772 br->entries[i].flags.abort? 'A' : '-', 773 br->entries[i].flags.cycles); 774 } 775 776 return printed; 777 } 778 779 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample, 780 struct thread *thread, 781 struct perf_event_attr *attr, FILE *fp) 782 { 783 struct branch_stack *br = sample->branch_stack; 784 struct addr_location alf, alt; 785 u64 i, from, to; 786 int printed = 0; 787 788 if (!(br && br->nr)) 789 return 0; 790 791 for (i = 0; i < br->nr; i++) { 792 793 memset(&alf, 0, sizeof(alf)); 794 memset(&alt, 0, sizeof(alt)); 795 from = br->entries[i].from; 796 to = br->entries[i].to; 797 798 thread__find_symbol_fb(thread, sample->cpumode, from, &alf); 799 thread__find_symbol_fb(thread, sample->cpumode, to, &alt); 800 801 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp); 802 if (PRINT_FIELD(DSO)) { 803 printed += fprintf(fp, "("); 804 printed += map__fprintf_dsoname(alf.map, fp); 805 printed += fprintf(fp, ")"); 806 } 807 printed += fprintf(fp, "%c", '/'); 808 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp); 809 if (PRINT_FIELD(DSO)) { 810 printed += fprintf(fp, "("); 811 printed += map__fprintf_dsoname(alt.map, fp); 812 printed += fprintf(fp, ")"); 813 } 814 printed += fprintf(fp, "/%c/%c/%c/%d ", 815 mispred_str( br->entries + i), 816 br->entries[i].flags.in_tx? 'X' : '-', 817 br->entries[i].flags.abort? 'A' : '-', 818 br->entries[i].flags.cycles); 819 } 820 821 return printed; 822 } 823 824 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample, 825 struct thread *thread, 826 struct perf_event_attr *attr, FILE *fp) 827 { 828 struct branch_stack *br = sample->branch_stack; 829 struct addr_location alf, alt; 830 u64 i, from, to; 831 int printed = 0; 832 833 if (!(br && br->nr)) 834 return 0; 835 836 for (i = 0; i < br->nr; i++) { 837 838 memset(&alf, 0, sizeof(alf)); 839 memset(&alt, 0, sizeof(alt)); 840 from = br->entries[i].from; 841 to = br->entries[i].to; 842 843 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) && 844 !alf.map->dso->adjust_symbols) 845 from = map__map_ip(alf.map, from); 846 847 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) && 848 !alt.map->dso->adjust_symbols) 849 to = map__map_ip(alt.map, to); 850 851 printed += fprintf(fp, " 0x%"PRIx64, from); 852 if (PRINT_FIELD(DSO)) { 853 printed += fprintf(fp, "("); 854 printed += map__fprintf_dsoname(alf.map, fp); 855 printed += fprintf(fp, ")"); 856 } 857 printed += fprintf(fp, "/0x%"PRIx64, to); 858 if (PRINT_FIELD(DSO)) { 859 printed += fprintf(fp, "("); 860 printed += map__fprintf_dsoname(alt.map, fp); 861 printed += fprintf(fp, ")"); 862 } 863 printed += fprintf(fp, "/%c/%c/%c/%d ", 864 mispred_str(br->entries + i), 865 br->entries[i].flags.in_tx ? 'X' : '-', 866 br->entries[i].flags.abort ? 'A' : '-', 867 br->entries[i].flags.cycles); 868 } 869 870 return printed; 871 } 872 #define MAXBB 16384UL 873 874 static int grab_bb(u8 *buffer, u64 start, u64 end, 875 struct machine *machine, struct thread *thread, 876 bool *is64bit, u8 *cpumode, bool last) 877 { 878 long offset, len; 879 struct addr_location al; 880 bool kernel; 881 882 if (!start || !end) 883 return 0; 884 885 kernel = machine__kernel_ip(machine, start); 886 if (kernel) 887 *cpumode = PERF_RECORD_MISC_KERNEL; 888 else 889 *cpumode = PERF_RECORD_MISC_USER; 890 891 /* 892 * Block overlaps between kernel and user. 893 * This can happen due to ring filtering 894 * On Intel CPUs the entry into the kernel is filtered, 895 * but the exit is not. Let the caller patch it up. 896 */ 897 if (kernel != machine__kernel_ip(machine, end)) { 898 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end); 899 return -ENXIO; 900 } 901 902 memset(&al, 0, sizeof(al)); 903 if (end - start > MAXBB - MAXINSN) { 904 if (last) 905 pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end); 906 else 907 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start); 908 return 0; 909 } 910 911 if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) { 912 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 913 return 0; 914 } 915 if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) { 916 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 917 return 0; 918 } 919 920 /* Load maps to ensure dso->is_64_bit has been updated */ 921 map__load(al.map); 922 923 offset = al.map->map_ip(al.map, start); 924 len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer, 925 end - start + MAXINSN); 926 927 *is64bit = al.map->dso->is_64_bit; 928 if (len <= 0) 929 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n", 930 start, end); 931 return len; 932 } 933 934 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr) 935 { 936 struct addr_location al; 937 int ret = 0; 938 939 memset(&al, 0, sizeof(al)); 940 thread__find_map(thread, cpumode, addr, &al); 941 if (!al.map) 942 return 0; 943 ret = map__fprintf_srccode(al.map, al.addr, stdout, 944 &thread->srccode_state); 945 if (ret) 946 ret += printf("\n"); 947 return ret; 948 } 949 950 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en, 951 struct perf_insn *x, u8 *inbuf, int len, 952 int insn, FILE *fp, int *total_cycles) 953 { 954 int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip, 955 dump_insn(x, ip, inbuf, len, NULL), 956 en->flags.predicted ? " PRED" : "", 957 en->flags.mispred ? " MISPRED" : "", 958 en->flags.in_tx ? " INTX" : "", 959 en->flags.abort ? " ABORT" : ""); 960 if (en->flags.cycles) { 961 *total_cycles += en->flags.cycles; 962 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles); 963 if (insn) 964 printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles); 965 } 966 return printed + fprintf(fp, "\n"); 967 } 968 969 static int ip__fprintf_sym(uint64_t addr, struct thread *thread, 970 u8 cpumode, int cpu, struct symbol **lastsym, 971 struct perf_event_attr *attr, FILE *fp) 972 { 973 struct addr_location al; 974 int off, printed = 0; 975 976 memset(&al, 0, sizeof(al)); 977 978 thread__find_map(thread, cpumode, addr, &al); 979 980 if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end) 981 return 0; 982 983 al.cpu = cpu; 984 al.sym = NULL; 985 if (al.map) 986 al.sym = map__find_symbol(al.map, al.addr); 987 988 if (!al.sym) 989 return 0; 990 991 if (al.addr < al.sym->end) 992 off = al.addr - al.sym->start; 993 else 994 off = al.addr - al.map->start - al.sym->start; 995 printed += fprintf(fp, "\t%s", al.sym->name); 996 if (off) 997 printed += fprintf(fp, "%+d", off); 998 printed += fprintf(fp, ":"); 999 if (PRINT_FIELD(SRCLINE)) 1000 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp); 1001 printed += fprintf(fp, "\n"); 1002 *lastsym = al.sym; 1003 1004 return printed; 1005 } 1006 1007 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample, 1008 struct thread *thread, 1009 struct perf_event_attr *attr, 1010 struct machine *machine, FILE *fp) 1011 { 1012 struct branch_stack *br = sample->branch_stack; 1013 u64 start, end; 1014 int i, insn, len, nr, ilen, printed = 0; 1015 struct perf_insn x; 1016 u8 buffer[MAXBB]; 1017 unsigned off; 1018 struct symbol *lastsym = NULL; 1019 int total_cycles = 0; 1020 1021 if (!(br && br->nr)) 1022 return 0; 1023 nr = br->nr; 1024 if (max_blocks && nr > max_blocks + 1) 1025 nr = max_blocks + 1; 1026 1027 x.thread = thread; 1028 x.cpu = sample->cpu; 1029 1030 printed += fprintf(fp, "%c", '\n'); 1031 1032 /* Handle first from jump, of which we don't know the entry. */ 1033 len = grab_bb(buffer, br->entries[nr-1].from, 1034 br->entries[nr-1].from, 1035 machine, thread, &x.is64bit, &x.cpumode, false); 1036 if (len > 0) { 1037 printed += ip__fprintf_sym(br->entries[nr - 1].from, thread, 1038 x.cpumode, x.cpu, &lastsym, attr, fp); 1039 printed += ip__fprintf_jump(br->entries[nr - 1].from, &br->entries[nr - 1], 1040 &x, buffer, len, 0, fp, &total_cycles); 1041 if (PRINT_FIELD(SRCCODE)) 1042 printed += print_srccode(thread, x.cpumode, br->entries[nr - 1].from); 1043 } 1044 1045 /* Print all blocks */ 1046 for (i = nr - 2; i >= 0; i--) { 1047 if (br->entries[i].from || br->entries[i].to) 1048 pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i, 1049 br->entries[i].from, 1050 br->entries[i].to); 1051 start = br->entries[i + 1].to; 1052 end = br->entries[i].from; 1053 1054 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1055 /* Patch up missing kernel transfers due to ring filters */ 1056 if (len == -ENXIO && i > 0) { 1057 end = br->entries[--i].from; 1058 pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end); 1059 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1060 } 1061 if (len <= 0) 1062 continue; 1063 1064 insn = 0; 1065 for (off = 0;; off += ilen) { 1066 uint64_t ip = start + off; 1067 1068 printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1069 if (ip == end) { 1070 printed += ip__fprintf_jump(ip, &br->entries[i], &x, buffer + off, len - off, ++insn, fp, 1071 &total_cycles); 1072 if (PRINT_FIELD(SRCCODE)) 1073 printed += print_srccode(thread, x.cpumode, ip); 1074 break; 1075 } else { 1076 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip, 1077 dump_insn(&x, ip, buffer + off, len - off, &ilen)); 1078 if (ilen == 0) 1079 break; 1080 if (PRINT_FIELD(SRCCODE)) 1081 print_srccode(thread, x.cpumode, ip); 1082 insn++; 1083 } 1084 } 1085 } 1086 1087 /* 1088 * Hit the branch? In this case we are already done, and the target 1089 * has not been executed yet. 1090 */ 1091 if (br->entries[0].from == sample->ip) 1092 goto out; 1093 if (br->entries[0].flags.abort) 1094 goto out; 1095 1096 /* 1097 * Print final block upto sample 1098 * 1099 * Due to pipeline delays the LBRs might be missing a branch 1100 * or two, which can result in very large or negative blocks 1101 * between final branch and sample. When this happens just 1102 * continue walking after the last TO until we hit a branch. 1103 */ 1104 start = br->entries[0].to; 1105 end = sample->ip; 1106 if (end < start) { 1107 /* Missing jump. Scan 128 bytes for the next branch */ 1108 end = start + 128; 1109 } 1110 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true); 1111 printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1112 if (len <= 0) { 1113 /* Print at least last IP if basic block did not work */ 1114 len = grab_bb(buffer, sample->ip, sample->ip, 1115 machine, thread, &x.is64bit, &x.cpumode, false); 1116 if (len <= 0) 1117 goto out; 1118 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip, 1119 dump_insn(&x, sample->ip, buffer, len, NULL)); 1120 if (PRINT_FIELD(SRCCODE)) 1121 print_srccode(thread, x.cpumode, sample->ip); 1122 goto out; 1123 } 1124 for (off = 0; off <= end - start; off += ilen) { 1125 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off, 1126 dump_insn(&x, start + off, buffer + off, len - off, &ilen)); 1127 if (ilen == 0) 1128 break; 1129 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) { 1130 /* 1131 * Hit a missing branch. Just stop. 1132 */ 1133 printed += fprintf(fp, "\t... not reaching sample ...\n"); 1134 break; 1135 } 1136 if (PRINT_FIELD(SRCCODE)) 1137 print_srccode(thread, x.cpumode, start + off); 1138 } 1139 out: 1140 return printed; 1141 } 1142 1143 static int perf_sample__fprintf_addr(struct perf_sample *sample, 1144 struct thread *thread, 1145 struct perf_event_attr *attr, FILE *fp) 1146 { 1147 struct addr_location al; 1148 int printed = fprintf(fp, "%16" PRIx64, sample->addr); 1149 1150 if (!sample_addr_correlates_sym(attr)) 1151 goto out; 1152 1153 thread__resolve(thread, &al, sample); 1154 1155 if (PRINT_FIELD(SYM)) { 1156 printed += fprintf(fp, " "); 1157 if (PRINT_FIELD(SYMOFFSET)) 1158 printed += symbol__fprintf_symname_offs(al.sym, &al, fp); 1159 else 1160 printed += symbol__fprintf_symname(al.sym, fp); 1161 } 1162 1163 if (PRINT_FIELD(DSO)) { 1164 printed += fprintf(fp, " ("); 1165 printed += map__fprintf_dsoname(al.map, fp); 1166 printed += fprintf(fp, ")"); 1167 } 1168 out: 1169 return printed; 1170 } 1171 1172 static const char *resolve_branch_sym(struct perf_sample *sample, 1173 struct evsel *evsel, 1174 struct thread *thread, 1175 struct addr_location *al, 1176 u64 *ip) 1177 { 1178 struct addr_location addr_al; 1179 struct perf_event_attr *attr = &evsel->core.attr; 1180 const char *name = NULL; 1181 1182 if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) { 1183 if (sample_addr_correlates_sym(attr)) { 1184 thread__resolve(thread, &addr_al, sample); 1185 if (addr_al.sym) 1186 name = addr_al.sym->name; 1187 else 1188 *ip = sample->addr; 1189 } else { 1190 *ip = sample->addr; 1191 } 1192 } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) { 1193 if (al->sym) 1194 name = al->sym->name; 1195 else 1196 *ip = sample->ip; 1197 } 1198 return name; 1199 } 1200 1201 static int perf_sample__fprintf_callindent(struct perf_sample *sample, 1202 struct evsel *evsel, 1203 struct thread *thread, 1204 struct addr_location *al, FILE *fp) 1205 { 1206 struct perf_event_attr *attr = &evsel->core.attr; 1207 size_t depth = thread_stack__depth(thread, sample->cpu); 1208 const char *name = NULL; 1209 static int spacing; 1210 int len = 0; 1211 int dlen = 0; 1212 u64 ip = 0; 1213 1214 /* 1215 * The 'return' has already been popped off the stack so the depth has 1216 * to be adjusted to match the 'call'. 1217 */ 1218 if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN) 1219 depth += 1; 1220 1221 name = resolve_branch_sym(sample, evsel, thread, al, &ip); 1222 1223 if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) { 1224 dlen += fprintf(fp, "("); 1225 dlen += map__fprintf_dsoname(al->map, fp); 1226 dlen += fprintf(fp, ")\t"); 1227 } 1228 1229 if (name) 1230 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name); 1231 else if (ip) 1232 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip); 1233 1234 if (len < 0) 1235 return len; 1236 1237 /* 1238 * Try to keep the output length from changing frequently so that the 1239 * output lines up more nicely. 1240 */ 1241 if (len > spacing || (len && len < spacing - 52)) 1242 spacing = round_up(len + 4, 32); 1243 1244 if (len < spacing) 1245 len += fprintf(fp, "%*s", spacing - len, ""); 1246 1247 return len + dlen; 1248 } 1249 1250 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused, 1251 struct thread *thread __maybe_unused, 1252 struct machine *machine __maybe_unused) 1253 { 1254 } 1255 1256 static int perf_sample__fprintf_insn(struct perf_sample *sample, 1257 struct perf_event_attr *attr, 1258 struct thread *thread, 1259 struct machine *machine, FILE *fp) 1260 { 1261 int printed = 0; 1262 1263 if (sample->insn_len == 0 && native_arch) 1264 arch_fetch_insn(sample, thread, machine); 1265 1266 if (PRINT_FIELD(INSNLEN)) 1267 printed += fprintf(fp, " ilen: %d", sample->insn_len); 1268 if (PRINT_FIELD(INSN) && sample->insn_len) { 1269 int i; 1270 1271 printed += fprintf(fp, " insn:"); 1272 for (i = 0; i < sample->insn_len; i++) 1273 printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]); 1274 } 1275 if (PRINT_FIELD(BRSTACKINSN)) 1276 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp); 1277 1278 return printed; 1279 } 1280 1281 static int perf_sample__fprintf_ipc(struct perf_sample *sample, 1282 struct perf_event_attr *attr, FILE *fp) 1283 { 1284 unsigned int ipc; 1285 1286 if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt) 1287 return 0; 1288 1289 ipc = (sample->insn_cnt * 100) / sample->cyc_cnt; 1290 1291 return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ", 1292 ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt); 1293 } 1294 1295 static int perf_sample__fprintf_bts(struct perf_sample *sample, 1296 struct evsel *evsel, 1297 struct thread *thread, 1298 struct addr_location *al, 1299 struct machine *machine, FILE *fp) 1300 { 1301 struct perf_event_attr *attr = &evsel->core.attr; 1302 unsigned int type = output_type(attr->type); 1303 bool print_srcline_last = false; 1304 int printed = 0; 1305 1306 if (PRINT_FIELD(CALLINDENT)) 1307 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp); 1308 1309 /* print branch_from information */ 1310 if (PRINT_FIELD(IP)) { 1311 unsigned int print_opts = output[type].print_ip_opts; 1312 struct callchain_cursor *cursor = NULL; 1313 1314 if (symbol_conf.use_callchain && sample->callchain && 1315 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 1316 sample, NULL, NULL, scripting_max_stack) == 0) 1317 cursor = &callchain_cursor; 1318 1319 if (cursor == NULL) { 1320 printed += fprintf(fp, " "); 1321 if (print_opts & EVSEL__PRINT_SRCLINE) { 1322 print_srcline_last = true; 1323 print_opts &= ~EVSEL__PRINT_SRCLINE; 1324 } 1325 } else 1326 printed += fprintf(fp, "\n"); 1327 1328 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, fp); 1329 } 1330 1331 /* print branch_to information */ 1332 if (PRINT_FIELD(ADDR) || 1333 ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 1334 !output[type].user_set)) { 1335 printed += fprintf(fp, " => "); 1336 printed += perf_sample__fprintf_addr(sample, thread, attr, fp); 1337 } 1338 1339 printed += perf_sample__fprintf_ipc(sample, attr, fp); 1340 1341 if (print_srcline_last) 1342 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp); 1343 1344 printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 1345 printed += fprintf(fp, "\n"); 1346 if (PRINT_FIELD(SRCCODE)) { 1347 int ret = map__fprintf_srccode(al->map, al->addr, stdout, 1348 &thread->srccode_state); 1349 if (ret) { 1350 printed += ret; 1351 printed += printf("\n"); 1352 } 1353 } 1354 return printed; 1355 } 1356 1357 static struct { 1358 u32 flags; 1359 const char *name; 1360 } sample_flags[] = { 1361 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"}, 1362 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"}, 1363 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"}, 1364 {PERF_IP_FLAG_BRANCH, "jmp"}, 1365 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"}, 1366 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"}, 1367 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"}, 1368 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"}, 1369 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"}, 1370 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"}, 1371 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"}, 1372 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"}, 1373 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"}, 1374 {0, NULL} 1375 }; 1376 1377 static const char *sample_flags_to_name(u32 flags) 1378 { 1379 int i; 1380 1381 for (i = 0; sample_flags[i].name ; i++) { 1382 if (sample_flags[i].flags == flags) 1383 return sample_flags[i].name; 1384 } 1385 1386 return NULL; 1387 } 1388 1389 static int perf_sample__fprintf_flags(u32 flags, FILE *fp) 1390 { 1391 const char *chars = PERF_IP_FLAG_CHARS; 1392 const int n = strlen(PERF_IP_FLAG_CHARS); 1393 bool in_tx = flags & PERF_IP_FLAG_IN_TX; 1394 const char *name = NULL; 1395 char str[33]; 1396 int i, pos = 0; 1397 1398 name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX); 1399 if (name) 1400 return fprintf(fp, " %-15s%4s ", name, in_tx ? "(x)" : ""); 1401 1402 if (flags & PERF_IP_FLAG_TRACE_BEGIN) { 1403 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN)); 1404 if (name) 1405 return fprintf(fp, " tr strt %-7s%4s ", name, in_tx ? "(x)" : ""); 1406 } 1407 1408 if (flags & PERF_IP_FLAG_TRACE_END) { 1409 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END)); 1410 if (name) 1411 return fprintf(fp, " tr end %-7s%4s ", name, in_tx ? "(x)" : ""); 1412 } 1413 1414 for (i = 0; i < n; i++, flags >>= 1) { 1415 if (flags & 1) 1416 str[pos++] = chars[i]; 1417 } 1418 for (; i < 32; i++, flags >>= 1) { 1419 if (flags & 1) 1420 str[pos++] = '?'; 1421 } 1422 str[pos] = 0; 1423 1424 return fprintf(fp, " %-19s ", str); 1425 } 1426 1427 struct printer_data { 1428 int line_no; 1429 bool hit_nul; 1430 bool is_printable; 1431 }; 1432 1433 static int sample__fprintf_bpf_output(enum binary_printer_ops op, 1434 unsigned int val, 1435 void *extra, FILE *fp) 1436 { 1437 unsigned char ch = (unsigned char)val; 1438 struct printer_data *printer_data = extra; 1439 int printed = 0; 1440 1441 switch (op) { 1442 case BINARY_PRINT_DATA_BEGIN: 1443 printed += fprintf(fp, "\n"); 1444 break; 1445 case BINARY_PRINT_LINE_BEGIN: 1446 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" : 1447 " "); 1448 break; 1449 case BINARY_PRINT_ADDR: 1450 printed += fprintf(fp, " %04x:", val); 1451 break; 1452 case BINARY_PRINT_NUM_DATA: 1453 printed += fprintf(fp, " %02x", val); 1454 break; 1455 case BINARY_PRINT_NUM_PAD: 1456 printed += fprintf(fp, " "); 1457 break; 1458 case BINARY_PRINT_SEP: 1459 printed += fprintf(fp, " "); 1460 break; 1461 case BINARY_PRINT_CHAR_DATA: 1462 if (printer_data->hit_nul && ch) 1463 printer_data->is_printable = false; 1464 1465 if (!isprint(ch)) { 1466 printed += fprintf(fp, "%c", '.'); 1467 1468 if (!printer_data->is_printable) 1469 break; 1470 1471 if (ch == '\0') 1472 printer_data->hit_nul = true; 1473 else 1474 printer_data->is_printable = false; 1475 } else { 1476 printed += fprintf(fp, "%c", ch); 1477 } 1478 break; 1479 case BINARY_PRINT_CHAR_PAD: 1480 printed += fprintf(fp, " "); 1481 break; 1482 case BINARY_PRINT_LINE_END: 1483 printed += fprintf(fp, "\n"); 1484 printer_data->line_no++; 1485 break; 1486 case BINARY_PRINT_DATA_END: 1487 default: 1488 break; 1489 } 1490 1491 return printed; 1492 } 1493 1494 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp) 1495 { 1496 unsigned int nr_bytes = sample->raw_size; 1497 struct printer_data printer_data = {0, false, true}; 1498 int printed = binary__fprintf(sample->raw_data, nr_bytes, 8, 1499 sample__fprintf_bpf_output, &printer_data, fp); 1500 1501 if (printer_data.is_printable && printer_data.hit_nul) 1502 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data)); 1503 1504 return printed; 1505 } 1506 1507 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp) 1508 { 1509 if (len > 0 && len < spacing) 1510 return fprintf(fp, "%*s", spacing - len, ""); 1511 1512 return 0; 1513 } 1514 1515 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp) 1516 { 1517 return perf_sample__fprintf_spacing(len, 34, fp); 1518 } 1519 1520 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp) 1521 { 1522 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample); 1523 int len; 1524 1525 if (perf_sample__bad_synth_size(sample, *data)) 1526 return 0; 1527 1528 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ", 1529 data->ip, le64_to_cpu(data->payload)); 1530 return len + perf_sample__fprintf_pt_spacing(len, fp); 1531 } 1532 1533 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp) 1534 { 1535 struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample); 1536 int len; 1537 1538 if (perf_sample__bad_synth_size(sample, *data)) 1539 return 0; 1540 1541 len = fprintf(fp, " hints: %#x extensions: %#x ", 1542 data->hints, data->extensions); 1543 return len + perf_sample__fprintf_pt_spacing(len, fp); 1544 } 1545 1546 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp) 1547 { 1548 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample); 1549 int len; 1550 1551 if (perf_sample__bad_synth_size(sample, *data)) 1552 return 0; 1553 1554 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ", 1555 data->hw, data->cstate, data->subcstate); 1556 return len + perf_sample__fprintf_pt_spacing(len, fp); 1557 } 1558 1559 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp) 1560 { 1561 struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample); 1562 int len; 1563 1564 if (perf_sample__bad_synth_size(sample, *data)) 1565 return 0; 1566 1567 len = fprintf(fp, " IP: %u ", data->ip); 1568 return len + perf_sample__fprintf_pt_spacing(len, fp); 1569 } 1570 1571 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp) 1572 { 1573 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample); 1574 int len; 1575 1576 if (perf_sample__bad_synth_size(sample, *data)) 1577 return 0; 1578 1579 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ", 1580 data->deepest_cstate, data->last_cstate, 1581 data->wake_reason); 1582 return len + perf_sample__fprintf_pt_spacing(len, fp); 1583 } 1584 1585 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp) 1586 { 1587 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample); 1588 unsigned int percent, freq; 1589 int len; 1590 1591 if (perf_sample__bad_synth_size(sample, *data)) 1592 return 0; 1593 1594 freq = (le32_to_cpu(data->freq) + 500) / 1000; 1595 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq); 1596 if (data->max_nonturbo) { 1597 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10; 1598 len += fprintf(fp, "(%3u%%) ", percent); 1599 } 1600 return len + perf_sample__fprintf_pt_spacing(len, fp); 1601 } 1602 1603 static int perf_sample__fprintf_synth(struct perf_sample *sample, 1604 struct evsel *evsel, FILE *fp) 1605 { 1606 switch (evsel->core.attr.config) { 1607 case PERF_SYNTH_INTEL_PTWRITE: 1608 return perf_sample__fprintf_synth_ptwrite(sample, fp); 1609 case PERF_SYNTH_INTEL_MWAIT: 1610 return perf_sample__fprintf_synth_mwait(sample, fp); 1611 case PERF_SYNTH_INTEL_PWRE: 1612 return perf_sample__fprintf_synth_pwre(sample, fp); 1613 case PERF_SYNTH_INTEL_EXSTOP: 1614 return perf_sample__fprintf_synth_exstop(sample, fp); 1615 case PERF_SYNTH_INTEL_PWRX: 1616 return perf_sample__fprintf_synth_pwrx(sample, fp); 1617 case PERF_SYNTH_INTEL_CBR: 1618 return perf_sample__fprintf_synth_cbr(sample, fp); 1619 default: 1620 break; 1621 } 1622 1623 return 0; 1624 } 1625 1626 struct perf_script { 1627 struct perf_tool tool; 1628 struct perf_session *session; 1629 bool show_task_events; 1630 bool show_mmap_events; 1631 bool show_switch_events; 1632 bool show_namespace_events; 1633 bool show_lost_events; 1634 bool show_round_events; 1635 bool show_bpf_events; 1636 bool allocated; 1637 bool per_event_dump; 1638 struct evswitch evswitch; 1639 struct perf_cpu_map *cpus; 1640 struct perf_thread_map *threads; 1641 int name_width; 1642 const char *time_str; 1643 struct perf_time_interval *ptime_range; 1644 int range_size; 1645 int range_num; 1646 }; 1647 1648 static int perf_evlist__max_name_len(struct evlist *evlist) 1649 { 1650 struct evsel *evsel; 1651 int max = 0; 1652 1653 evlist__for_each_entry(evlist, evsel) { 1654 int len = strlen(perf_evsel__name(evsel)); 1655 1656 max = MAX(len, max); 1657 } 1658 1659 return max; 1660 } 1661 1662 static int data_src__fprintf(u64 data_src, FILE *fp) 1663 { 1664 struct mem_info mi = { .data_src.val = data_src }; 1665 char decode[100]; 1666 char out[100]; 1667 static int maxlen; 1668 int len; 1669 1670 perf_script__meminfo_scnprintf(decode, 100, &mi); 1671 1672 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode); 1673 if (maxlen < len) 1674 maxlen = len; 1675 1676 return fprintf(fp, "%-*s", maxlen, out); 1677 } 1678 1679 struct metric_ctx { 1680 struct perf_sample *sample; 1681 struct thread *thread; 1682 struct evsel *evsel; 1683 FILE *fp; 1684 }; 1685 1686 static void script_print_metric(struct perf_stat_config *config __maybe_unused, 1687 void *ctx, const char *color, 1688 const char *fmt, 1689 const char *unit, double val) 1690 { 1691 struct metric_ctx *mctx = ctx; 1692 1693 if (!fmt) 1694 return; 1695 perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel, 1696 PERF_RECORD_SAMPLE, mctx->fp); 1697 fputs("\tmetric: ", mctx->fp); 1698 if (color) 1699 color_fprintf(mctx->fp, color, fmt, val); 1700 else 1701 printf(fmt, val); 1702 fprintf(mctx->fp, " %s\n", unit); 1703 } 1704 1705 static void script_new_line(struct perf_stat_config *config __maybe_unused, 1706 void *ctx) 1707 { 1708 struct metric_ctx *mctx = ctx; 1709 1710 perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel, 1711 PERF_RECORD_SAMPLE, mctx->fp); 1712 fputs("\tmetric: ", mctx->fp); 1713 } 1714 1715 static void perf_sample__fprint_metric(struct perf_script *script, 1716 struct thread *thread, 1717 struct evsel *evsel, 1718 struct perf_sample *sample, 1719 FILE *fp) 1720 { 1721 struct perf_stat_output_ctx ctx = { 1722 .print_metric = script_print_metric, 1723 .new_line = script_new_line, 1724 .ctx = &(struct metric_ctx) { 1725 .sample = sample, 1726 .thread = thread, 1727 .evsel = evsel, 1728 .fp = fp, 1729 }, 1730 .force_header = false, 1731 }; 1732 struct evsel *ev2; 1733 u64 val; 1734 1735 if (!evsel->stats) 1736 perf_evlist__alloc_stats(script->session->evlist, false); 1737 if (evsel_script(evsel->leader)->gnum++ == 0) 1738 perf_stat__reset_shadow_stats(); 1739 val = sample->period * evsel->scale; 1740 perf_stat__update_shadow_stats(evsel, 1741 val, 1742 sample->cpu, 1743 &rt_stat); 1744 evsel_script(evsel)->val = val; 1745 if (evsel_script(evsel->leader)->gnum == evsel->leader->core.nr_members) { 1746 for_each_group_member (ev2, evsel->leader) { 1747 perf_stat__print_shadow_stats(&stat_config, ev2, 1748 evsel_script(ev2)->val, 1749 sample->cpu, 1750 &ctx, 1751 NULL, 1752 &rt_stat); 1753 } 1754 evsel_script(evsel->leader)->gnum = 0; 1755 } 1756 } 1757 1758 static bool show_event(struct perf_sample *sample, 1759 struct evsel *evsel, 1760 struct thread *thread, 1761 struct addr_location *al) 1762 { 1763 int depth = thread_stack__depth(thread, sample->cpu); 1764 1765 if (!symbol_conf.graph_function) 1766 return true; 1767 1768 if (thread->filter) { 1769 if (depth <= thread->filter_entry_depth) { 1770 thread->filter = false; 1771 return false; 1772 } 1773 return true; 1774 } else { 1775 const char *s = symbol_conf.graph_function; 1776 u64 ip; 1777 const char *name = resolve_branch_sym(sample, evsel, thread, al, 1778 &ip); 1779 unsigned nlen; 1780 1781 if (!name) 1782 return false; 1783 nlen = strlen(name); 1784 while (*s) { 1785 unsigned len = strcspn(s, ","); 1786 if (nlen == len && !strncmp(name, s, len)) { 1787 thread->filter = true; 1788 thread->filter_entry_depth = depth; 1789 return true; 1790 } 1791 s += len; 1792 if (*s == ',') 1793 s++; 1794 } 1795 return false; 1796 } 1797 } 1798 1799 static void process_event(struct perf_script *script, 1800 struct perf_sample *sample, struct evsel *evsel, 1801 struct addr_location *al, 1802 struct machine *machine) 1803 { 1804 struct thread *thread = al->thread; 1805 struct perf_event_attr *attr = &evsel->core.attr; 1806 unsigned int type = output_type(attr->type); 1807 struct evsel_script *es = evsel->priv; 1808 FILE *fp = es->fp; 1809 1810 if (output[type].fields == 0) 1811 return; 1812 1813 if (!show_event(sample, evsel, thread, al)) 1814 return; 1815 1816 if (evswitch__discard(&script->evswitch, evsel)) 1817 return; 1818 1819 ++es->samples; 1820 1821 perf_sample__fprintf_start(sample, thread, evsel, 1822 PERF_RECORD_SAMPLE, fp); 1823 1824 if (PRINT_FIELD(PERIOD)) 1825 fprintf(fp, "%10" PRIu64 " ", sample->period); 1826 1827 if (PRINT_FIELD(EVNAME)) { 1828 const char *evname = perf_evsel__name(evsel); 1829 1830 if (!script->name_width) 1831 script->name_width = perf_evlist__max_name_len(script->session->evlist); 1832 1833 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]"); 1834 } 1835 1836 if (print_flags) 1837 perf_sample__fprintf_flags(sample->flags, fp); 1838 1839 if (is_bts_event(attr)) { 1840 perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp); 1841 return; 1842 } 1843 1844 if (PRINT_FIELD(TRACE) && sample->raw_data) { 1845 event_format__fprintf(evsel->tp_format, sample->cpu, 1846 sample->raw_data, sample->raw_size, fp); 1847 } 1848 1849 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH)) 1850 perf_sample__fprintf_synth(sample, evsel, fp); 1851 1852 if (PRINT_FIELD(ADDR)) 1853 perf_sample__fprintf_addr(sample, thread, attr, fp); 1854 1855 if (PRINT_FIELD(DATA_SRC)) 1856 data_src__fprintf(sample->data_src, fp); 1857 1858 if (PRINT_FIELD(WEIGHT)) 1859 fprintf(fp, "%16" PRIu64, sample->weight); 1860 1861 if (PRINT_FIELD(IP)) { 1862 struct callchain_cursor *cursor = NULL; 1863 1864 if (symbol_conf.use_callchain && sample->callchain && 1865 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 1866 sample, NULL, NULL, scripting_max_stack) == 0) 1867 cursor = &callchain_cursor; 1868 1869 fputc(cursor ? '\n' : ' ', fp); 1870 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, fp); 1871 } 1872 1873 if (PRINT_FIELD(IREGS)) 1874 perf_sample__fprintf_iregs(sample, attr, fp); 1875 1876 if (PRINT_FIELD(UREGS)) 1877 perf_sample__fprintf_uregs(sample, attr, fp); 1878 1879 if (PRINT_FIELD(BRSTACK)) 1880 perf_sample__fprintf_brstack(sample, thread, attr, fp); 1881 else if (PRINT_FIELD(BRSTACKSYM)) 1882 perf_sample__fprintf_brstacksym(sample, thread, attr, fp); 1883 else if (PRINT_FIELD(BRSTACKOFF)) 1884 perf_sample__fprintf_brstackoff(sample, thread, attr, fp); 1885 1886 if (perf_evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT)) 1887 perf_sample__fprintf_bpf_output(sample, fp); 1888 perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 1889 1890 if (PRINT_FIELD(PHYS_ADDR)) 1891 fprintf(fp, "%16" PRIx64, sample->phys_addr); 1892 1893 perf_sample__fprintf_ipc(sample, attr, fp); 1894 1895 fprintf(fp, "\n"); 1896 1897 if (PRINT_FIELD(SRCCODE)) { 1898 if (map__fprintf_srccode(al->map, al->addr, stdout, 1899 &thread->srccode_state)) 1900 printf("\n"); 1901 } 1902 1903 if (PRINT_FIELD(METRIC)) 1904 perf_sample__fprint_metric(script, thread, evsel, sample, fp); 1905 1906 if (verbose) 1907 fflush(fp); 1908 } 1909 1910 static struct scripting_ops *scripting_ops; 1911 1912 static void __process_stat(struct evsel *counter, u64 tstamp) 1913 { 1914 int nthreads = perf_thread_map__nr(counter->core.threads); 1915 int ncpus = perf_evsel__nr_cpus(counter); 1916 int cpu, thread; 1917 static int header_printed; 1918 1919 if (counter->core.system_wide) 1920 nthreads = 1; 1921 1922 if (!header_printed) { 1923 printf("%3s %8s %15s %15s %15s %15s %s\n", 1924 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT"); 1925 header_printed = 1; 1926 } 1927 1928 for (thread = 0; thread < nthreads; thread++) { 1929 for (cpu = 0; cpu < ncpus; cpu++) { 1930 struct perf_counts_values *counts; 1931 1932 counts = perf_counts(counter->counts, cpu, thread); 1933 1934 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n", 1935 counter->core.cpus->map[cpu], 1936 perf_thread_map__pid(counter->core.threads, thread), 1937 counts->val, 1938 counts->ena, 1939 counts->run, 1940 tstamp, 1941 perf_evsel__name(counter)); 1942 } 1943 } 1944 } 1945 1946 static void process_stat(struct evsel *counter, u64 tstamp) 1947 { 1948 if (scripting_ops && scripting_ops->process_stat) 1949 scripting_ops->process_stat(&stat_config, counter, tstamp); 1950 else 1951 __process_stat(counter, tstamp); 1952 } 1953 1954 static void process_stat_interval(u64 tstamp) 1955 { 1956 if (scripting_ops && scripting_ops->process_stat_interval) 1957 scripting_ops->process_stat_interval(tstamp); 1958 } 1959 1960 static void setup_scripting(void) 1961 { 1962 setup_perl_scripting(); 1963 setup_python_scripting(); 1964 } 1965 1966 static int flush_scripting(void) 1967 { 1968 return scripting_ops ? scripting_ops->flush_script() : 0; 1969 } 1970 1971 static int cleanup_scripting(void) 1972 { 1973 pr_debug("\nperf script stopped\n"); 1974 1975 return scripting_ops ? scripting_ops->stop_script() : 0; 1976 } 1977 1978 static bool filter_cpu(struct perf_sample *sample) 1979 { 1980 if (cpu_list) 1981 return !test_bit(sample->cpu, cpu_bitmap); 1982 return false; 1983 } 1984 1985 static int process_sample_event(struct perf_tool *tool, 1986 union perf_event *event, 1987 struct perf_sample *sample, 1988 struct evsel *evsel, 1989 struct machine *machine) 1990 { 1991 struct perf_script *scr = container_of(tool, struct perf_script, tool); 1992 struct addr_location al; 1993 1994 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num, 1995 sample->time)) { 1996 return 0; 1997 } 1998 1999 if (debug_mode) { 2000 if (sample->time < last_timestamp) { 2001 pr_err("Samples misordered, previous: %" PRIu64 2002 " this: %" PRIu64 "\n", last_timestamp, 2003 sample->time); 2004 nr_unordered++; 2005 } 2006 last_timestamp = sample->time; 2007 return 0; 2008 } 2009 2010 if (machine__resolve(machine, &al, sample) < 0) { 2011 pr_err("problem processing %d event, skipping it.\n", 2012 event->header.type); 2013 return -1; 2014 } 2015 2016 if (al.filtered) 2017 goto out_put; 2018 2019 if (filter_cpu(sample)) 2020 goto out_put; 2021 2022 if (scripting_ops) 2023 scripting_ops->process_event(event, sample, evsel, &al); 2024 else 2025 process_event(scr, sample, evsel, &al, machine); 2026 2027 out_put: 2028 addr_location__put(&al); 2029 return 0; 2030 } 2031 2032 static int process_attr(struct perf_tool *tool, union perf_event *event, 2033 struct evlist **pevlist) 2034 { 2035 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2036 struct evlist *evlist; 2037 struct evsel *evsel, *pos; 2038 int err; 2039 static struct evsel_script *es; 2040 2041 err = perf_event__process_attr(tool, event, pevlist); 2042 if (err) 2043 return err; 2044 2045 evlist = *pevlist; 2046 evsel = evlist__last(*pevlist); 2047 2048 if (!evsel->priv) { 2049 if (scr->per_event_dump) { 2050 evsel->priv = perf_evsel_script__new(evsel, 2051 scr->session->data); 2052 } else { 2053 es = zalloc(sizeof(*es)); 2054 if (!es) 2055 return -ENOMEM; 2056 es->fp = stdout; 2057 evsel->priv = es; 2058 } 2059 } 2060 2061 if (evsel->core.attr.type >= PERF_TYPE_MAX && 2062 evsel->core.attr.type != PERF_TYPE_SYNTH) 2063 return 0; 2064 2065 evlist__for_each_entry(evlist, pos) { 2066 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel) 2067 return 0; 2068 } 2069 2070 set_print_ip_opts(&evsel->core.attr); 2071 2072 if (evsel->core.attr.sample_type) 2073 err = perf_evsel__check_attr(evsel, scr->session); 2074 2075 return err; 2076 } 2077 2078 static int process_comm_event(struct perf_tool *tool, 2079 union perf_event *event, 2080 struct perf_sample *sample, 2081 struct machine *machine) 2082 { 2083 struct thread *thread; 2084 struct perf_script *script = container_of(tool, struct perf_script, tool); 2085 struct perf_session *session = script->session; 2086 struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2087 int ret = -1; 2088 2089 thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid); 2090 if (thread == NULL) { 2091 pr_debug("problem processing COMM event, skipping it.\n"); 2092 return -1; 2093 } 2094 2095 if (perf_event__process_comm(tool, event, sample, machine) < 0) 2096 goto out; 2097 2098 if (!evsel->core.attr.sample_id_all) { 2099 sample->cpu = 0; 2100 sample->time = 0; 2101 sample->tid = event->comm.tid; 2102 sample->pid = event->comm.pid; 2103 } 2104 if (!filter_cpu(sample)) { 2105 perf_sample__fprintf_start(sample, thread, evsel, 2106 PERF_RECORD_COMM, stdout); 2107 perf_event__fprintf(event, stdout); 2108 } 2109 ret = 0; 2110 out: 2111 thread__put(thread); 2112 return ret; 2113 } 2114 2115 static int process_namespaces_event(struct perf_tool *tool, 2116 union perf_event *event, 2117 struct perf_sample *sample, 2118 struct machine *machine) 2119 { 2120 struct thread *thread; 2121 struct perf_script *script = container_of(tool, struct perf_script, tool); 2122 struct perf_session *session = script->session; 2123 struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2124 int ret = -1; 2125 2126 thread = machine__findnew_thread(machine, event->namespaces.pid, 2127 event->namespaces.tid); 2128 if (thread == NULL) { 2129 pr_debug("problem processing NAMESPACES event, skipping it.\n"); 2130 return -1; 2131 } 2132 2133 if (perf_event__process_namespaces(tool, event, sample, machine) < 0) 2134 goto out; 2135 2136 if (!evsel->core.attr.sample_id_all) { 2137 sample->cpu = 0; 2138 sample->time = 0; 2139 sample->tid = event->namespaces.tid; 2140 sample->pid = event->namespaces.pid; 2141 } 2142 if (!filter_cpu(sample)) { 2143 perf_sample__fprintf_start(sample, thread, evsel, 2144 PERF_RECORD_NAMESPACES, stdout); 2145 perf_event__fprintf(event, stdout); 2146 } 2147 ret = 0; 2148 out: 2149 thread__put(thread); 2150 return ret; 2151 } 2152 2153 static int process_fork_event(struct perf_tool *tool, 2154 union perf_event *event, 2155 struct perf_sample *sample, 2156 struct machine *machine) 2157 { 2158 struct thread *thread; 2159 struct perf_script *script = container_of(tool, struct perf_script, tool); 2160 struct perf_session *session = script->session; 2161 struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2162 2163 if (perf_event__process_fork(tool, event, sample, machine) < 0) 2164 return -1; 2165 2166 thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid); 2167 if (thread == NULL) { 2168 pr_debug("problem processing FORK event, skipping it.\n"); 2169 return -1; 2170 } 2171 2172 if (!evsel->core.attr.sample_id_all) { 2173 sample->cpu = 0; 2174 sample->time = event->fork.time; 2175 sample->tid = event->fork.tid; 2176 sample->pid = event->fork.pid; 2177 } 2178 if (!filter_cpu(sample)) { 2179 perf_sample__fprintf_start(sample, thread, evsel, 2180 PERF_RECORD_FORK, stdout); 2181 perf_event__fprintf(event, stdout); 2182 } 2183 thread__put(thread); 2184 2185 return 0; 2186 } 2187 static int process_exit_event(struct perf_tool *tool, 2188 union perf_event *event, 2189 struct perf_sample *sample, 2190 struct machine *machine) 2191 { 2192 int err = 0; 2193 struct thread *thread; 2194 struct perf_script *script = container_of(tool, struct perf_script, tool); 2195 struct perf_session *session = script->session; 2196 struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2197 2198 thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid); 2199 if (thread == NULL) { 2200 pr_debug("problem processing EXIT event, skipping it.\n"); 2201 return -1; 2202 } 2203 2204 if (!evsel->core.attr.sample_id_all) { 2205 sample->cpu = 0; 2206 sample->time = 0; 2207 sample->tid = event->fork.tid; 2208 sample->pid = event->fork.pid; 2209 } 2210 if (!filter_cpu(sample)) { 2211 perf_sample__fprintf_start(sample, thread, evsel, 2212 PERF_RECORD_EXIT, stdout); 2213 perf_event__fprintf(event, stdout); 2214 } 2215 2216 if (perf_event__process_exit(tool, event, sample, machine) < 0) 2217 err = -1; 2218 2219 thread__put(thread); 2220 return err; 2221 } 2222 2223 static int process_mmap_event(struct perf_tool *tool, 2224 union perf_event *event, 2225 struct perf_sample *sample, 2226 struct machine *machine) 2227 { 2228 struct thread *thread; 2229 struct perf_script *script = container_of(tool, struct perf_script, tool); 2230 struct perf_session *session = script->session; 2231 struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2232 2233 if (perf_event__process_mmap(tool, event, sample, machine) < 0) 2234 return -1; 2235 2236 thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid); 2237 if (thread == NULL) { 2238 pr_debug("problem processing MMAP event, skipping it.\n"); 2239 return -1; 2240 } 2241 2242 if (!evsel->core.attr.sample_id_all) { 2243 sample->cpu = 0; 2244 sample->time = 0; 2245 sample->tid = event->mmap.tid; 2246 sample->pid = event->mmap.pid; 2247 } 2248 if (!filter_cpu(sample)) { 2249 perf_sample__fprintf_start(sample, thread, evsel, 2250 PERF_RECORD_MMAP, stdout); 2251 perf_event__fprintf(event, stdout); 2252 } 2253 thread__put(thread); 2254 return 0; 2255 } 2256 2257 static int process_mmap2_event(struct perf_tool *tool, 2258 union perf_event *event, 2259 struct perf_sample *sample, 2260 struct machine *machine) 2261 { 2262 struct thread *thread; 2263 struct perf_script *script = container_of(tool, struct perf_script, tool); 2264 struct perf_session *session = script->session; 2265 struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2266 2267 if (perf_event__process_mmap2(tool, event, sample, machine) < 0) 2268 return -1; 2269 2270 thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid); 2271 if (thread == NULL) { 2272 pr_debug("problem processing MMAP2 event, skipping it.\n"); 2273 return -1; 2274 } 2275 2276 if (!evsel->core.attr.sample_id_all) { 2277 sample->cpu = 0; 2278 sample->time = 0; 2279 sample->tid = event->mmap2.tid; 2280 sample->pid = event->mmap2.pid; 2281 } 2282 if (!filter_cpu(sample)) { 2283 perf_sample__fprintf_start(sample, thread, evsel, 2284 PERF_RECORD_MMAP2, stdout); 2285 perf_event__fprintf(event, stdout); 2286 } 2287 thread__put(thread); 2288 return 0; 2289 } 2290 2291 static int process_switch_event(struct perf_tool *tool, 2292 union perf_event *event, 2293 struct perf_sample *sample, 2294 struct machine *machine) 2295 { 2296 struct thread *thread; 2297 struct perf_script *script = container_of(tool, struct perf_script, tool); 2298 struct perf_session *session = script->session; 2299 struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2300 2301 if (perf_event__process_switch(tool, event, sample, machine) < 0) 2302 return -1; 2303 2304 if (scripting_ops && scripting_ops->process_switch) 2305 scripting_ops->process_switch(event, sample, machine); 2306 2307 if (!script->show_switch_events) 2308 return 0; 2309 2310 thread = machine__findnew_thread(machine, sample->pid, 2311 sample->tid); 2312 if (thread == NULL) { 2313 pr_debug("problem processing SWITCH event, skipping it.\n"); 2314 return -1; 2315 } 2316 2317 if (!filter_cpu(sample)) { 2318 perf_sample__fprintf_start(sample, thread, evsel, 2319 PERF_RECORD_SWITCH, stdout); 2320 perf_event__fprintf(event, stdout); 2321 } 2322 thread__put(thread); 2323 return 0; 2324 } 2325 2326 static int 2327 process_lost_event(struct perf_tool *tool, 2328 union perf_event *event, 2329 struct perf_sample *sample, 2330 struct machine *machine) 2331 { 2332 struct perf_script *script = container_of(tool, struct perf_script, tool); 2333 struct perf_session *session = script->session; 2334 struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2335 struct thread *thread; 2336 2337 thread = machine__findnew_thread(machine, sample->pid, 2338 sample->tid); 2339 if (thread == NULL) 2340 return -1; 2341 2342 if (!filter_cpu(sample)) { 2343 perf_sample__fprintf_start(sample, thread, evsel, 2344 PERF_RECORD_LOST, stdout); 2345 perf_event__fprintf(event, stdout); 2346 } 2347 thread__put(thread); 2348 return 0; 2349 } 2350 2351 static int 2352 process_finished_round_event(struct perf_tool *tool __maybe_unused, 2353 union perf_event *event, 2354 struct ordered_events *oe __maybe_unused) 2355 2356 { 2357 perf_event__fprintf(event, stdout); 2358 return 0; 2359 } 2360 2361 static int 2362 process_bpf_events(struct perf_tool *tool __maybe_unused, 2363 union perf_event *event, 2364 struct perf_sample *sample, 2365 struct machine *machine) 2366 { 2367 struct thread *thread; 2368 struct perf_script *script = container_of(tool, struct perf_script, tool); 2369 struct perf_session *session = script->session; 2370 struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2371 2372 if (machine__process_ksymbol(machine, event, sample) < 0) 2373 return -1; 2374 2375 if (!evsel->core.attr.sample_id_all) { 2376 perf_event__fprintf(event, stdout); 2377 return 0; 2378 } 2379 2380 thread = machine__findnew_thread(machine, sample->pid, sample->tid); 2381 if (thread == NULL) { 2382 pr_debug("problem processing MMAP event, skipping it.\n"); 2383 return -1; 2384 } 2385 2386 if (!filter_cpu(sample)) { 2387 perf_sample__fprintf_start(sample, thread, evsel, 2388 event->header.type, stdout); 2389 perf_event__fprintf(event, stdout); 2390 } 2391 2392 thread__put(thread); 2393 return 0; 2394 } 2395 2396 static void sig_handler(int sig __maybe_unused) 2397 { 2398 session_done = 1; 2399 } 2400 2401 static void perf_script__fclose_per_event_dump(struct perf_script *script) 2402 { 2403 struct evlist *evlist = script->session->evlist; 2404 struct evsel *evsel; 2405 2406 evlist__for_each_entry(evlist, evsel) { 2407 if (!evsel->priv) 2408 break; 2409 perf_evsel_script__delete(evsel->priv); 2410 evsel->priv = NULL; 2411 } 2412 } 2413 2414 static int perf_script__fopen_per_event_dump(struct perf_script *script) 2415 { 2416 struct evsel *evsel; 2417 2418 evlist__for_each_entry(script->session->evlist, evsel) { 2419 /* 2420 * Already setup? I.e. we may be called twice in cases like 2421 * Intel PT, one for the intel_pt// and dummy events, then 2422 * for the evsels syntheized from the auxtrace info. 2423 * 2424 * Ses perf_script__process_auxtrace_info. 2425 */ 2426 if (evsel->priv != NULL) 2427 continue; 2428 2429 evsel->priv = perf_evsel_script__new(evsel, script->session->data); 2430 if (evsel->priv == NULL) 2431 goto out_err_fclose; 2432 } 2433 2434 return 0; 2435 2436 out_err_fclose: 2437 perf_script__fclose_per_event_dump(script); 2438 return -1; 2439 } 2440 2441 static int perf_script__setup_per_event_dump(struct perf_script *script) 2442 { 2443 struct evsel *evsel; 2444 static struct evsel_script es_stdout; 2445 2446 if (script->per_event_dump) 2447 return perf_script__fopen_per_event_dump(script); 2448 2449 es_stdout.fp = stdout; 2450 2451 evlist__for_each_entry(script->session->evlist, evsel) 2452 evsel->priv = &es_stdout; 2453 2454 return 0; 2455 } 2456 2457 static void perf_script__exit_per_event_dump_stats(struct perf_script *script) 2458 { 2459 struct evsel *evsel; 2460 2461 evlist__for_each_entry(script->session->evlist, evsel) { 2462 struct evsel_script *es = evsel->priv; 2463 2464 perf_evsel_script__fprintf(es, stdout); 2465 perf_evsel_script__delete(es); 2466 evsel->priv = NULL; 2467 } 2468 } 2469 2470 static int __cmd_script(struct perf_script *script) 2471 { 2472 int ret; 2473 2474 signal(SIGINT, sig_handler); 2475 2476 perf_stat__init_shadow_stats(); 2477 2478 /* override event processing functions */ 2479 if (script->show_task_events) { 2480 script->tool.comm = process_comm_event; 2481 script->tool.fork = process_fork_event; 2482 script->tool.exit = process_exit_event; 2483 } 2484 if (script->show_mmap_events) { 2485 script->tool.mmap = process_mmap_event; 2486 script->tool.mmap2 = process_mmap2_event; 2487 } 2488 if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch)) 2489 script->tool.context_switch = process_switch_event; 2490 if (script->show_namespace_events) 2491 script->tool.namespaces = process_namespaces_event; 2492 if (script->show_lost_events) 2493 script->tool.lost = process_lost_event; 2494 if (script->show_round_events) { 2495 script->tool.ordered_events = false; 2496 script->tool.finished_round = process_finished_round_event; 2497 } 2498 if (script->show_bpf_events) { 2499 script->tool.ksymbol = process_bpf_events; 2500 script->tool.bpf = process_bpf_events; 2501 } 2502 2503 if (perf_script__setup_per_event_dump(script)) { 2504 pr_err("Couldn't create the per event dump files\n"); 2505 return -1; 2506 } 2507 2508 ret = perf_session__process_events(script->session); 2509 2510 if (script->per_event_dump) 2511 perf_script__exit_per_event_dump_stats(script); 2512 2513 if (debug_mode) 2514 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); 2515 2516 return ret; 2517 } 2518 2519 struct script_spec { 2520 struct list_head node; 2521 struct scripting_ops *ops; 2522 char spec[0]; 2523 }; 2524 2525 static LIST_HEAD(script_specs); 2526 2527 static struct script_spec *script_spec__new(const char *spec, 2528 struct scripting_ops *ops) 2529 { 2530 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); 2531 2532 if (s != NULL) { 2533 strcpy(s->spec, spec); 2534 s->ops = ops; 2535 } 2536 2537 return s; 2538 } 2539 2540 static void script_spec__add(struct script_spec *s) 2541 { 2542 list_add_tail(&s->node, &script_specs); 2543 } 2544 2545 static struct script_spec *script_spec__find(const char *spec) 2546 { 2547 struct script_spec *s; 2548 2549 list_for_each_entry(s, &script_specs, node) 2550 if (strcasecmp(s->spec, spec) == 0) 2551 return s; 2552 return NULL; 2553 } 2554 2555 int script_spec_register(const char *spec, struct scripting_ops *ops) 2556 { 2557 struct script_spec *s; 2558 2559 s = script_spec__find(spec); 2560 if (s) 2561 return -1; 2562 2563 s = script_spec__new(spec, ops); 2564 if (!s) 2565 return -1; 2566 else 2567 script_spec__add(s); 2568 2569 return 0; 2570 } 2571 2572 static struct scripting_ops *script_spec__lookup(const char *spec) 2573 { 2574 struct script_spec *s = script_spec__find(spec); 2575 if (!s) 2576 return NULL; 2577 2578 return s->ops; 2579 } 2580 2581 static void list_available_languages(void) 2582 { 2583 struct script_spec *s; 2584 2585 fprintf(stderr, "\n"); 2586 fprintf(stderr, "Scripting language extensions (used in " 2587 "perf script -s [spec:]script.[spec]):\n\n"); 2588 2589 list_for_each_entry(s, &script_specs, node) 2590 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); 2591 2592 fprintf(stderr, "\n"); 2593 } 2594 2595 static int parse_scriptname(const struct option *opt __maybe_unused, 2596 const char *str, int unset __maybe_unused) 2597 { 2598 char spec[PATH_MAX]; 2599 const char *script, *ext; 2600 int len; 2601 2602 if (strcmp(str, "lang") == 0) { 2603 list_available_languages(); 2604 exit(0); 2605 } 2606 2607 script = strchr(str, ':'); 2608 if (script) { 2609 len = script - str; 2610 if (len >= PATH_MAX) { 2611 fprintf(stderr, "invalid language specifier"); 2612 return -1; 2613 } 2614 strncpy(spec, str, len); 2615 spec[len] = '\0'; 2616 scripting_ops = script_spec__lookup(spec); 2617 if (!scripting_ops) { 2618 fprintf(stderr, "invalid language specifier"); 2619 return -1; 2620 } 2621 script++; 2622 } else { 2623 script = str; 2624 ext = strrchr(script, '.'); 2625 if (!ext) { 2626 fprintf(stderr, "invalid script extension"); 2627 return -1; 2628 } 2629 scripting_ops = script_spec__lookup(++ext); 2630 if (!scripting_ops) { 2631 fprintf(stderr, "invalid script extension"); 2632 return -1; 2633 } 2634 } 2635 2636 script_name = strdup(script); 2637 2638 return 0; 2639 } 2640 2641 static int parse_output_fields(const struct option *opt __maybe_unused, 2642 const char *arg, int unset __maybe_unused) 2643 { 2644 char *tok, *strtok_saveptr = NULL; 2645 int i, imax = ARRAY_SIZE(all_output_options); 2646 int j; 2647 int rc = 0; 2648 char *str = strdup(arg); 2649 int type = -1; 2650 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT; 2651 2652 if (!str) 2653 return -ENOMEM; 2654 2655 /* first word can state for which event type the user is specifying 2656 * the fields. If no type exists, the specified fields apply to all 2657 * event types found in the file minus the invalid fields for a type. 2658 */ 2659 tok = strchr(str, ':'); 2660 if (tok) { 2661 *tok = '\0'; 2662 tok++; 2663 if (!strcmp(str, "hw")) 2664 type = PERF_TYPE_HARDWARE; 2665 else if (!strcmp(str, "sw")) 2666 type = PERF_TYPE_SOFTWARE; 2667 else if (!strcmp(str, "trace")) 2668 type = PERF_TYPE_TRACEPOINT; 2669 else if (!strcmp(str, "raw")) 2670 type = PERF_TYPE_RAW; 2671 else if (!strcmp(str, "break")) 2672 type = PERF_TYPE_BREAKPOINT; 2673 else if (!strcmp(str, "synth")) 2674 type = OUTPUT_TYPE_SYNTH; 2675 else { 2676 fprintf(stderr, "Invalid event type in field string.\n"); 2677 rc = -EINVAL; 2678 goto out; 2679 } 2680 2681 if (output[type].user_set) 2682 pr_warning("Overriding previous field request for %s events.\n", 2683 event_type(type)); 2684 2685 /* Don't override defaults for +- */ 2686 if (strchr(tok, '+') || strchr(tok, '-')) 2687 goto parse; 2688 2689 output[type].fields = 0; 2690 output[type].user_set = true; 2691 output[type].wildcard_set = false; 2692 2693 } else { 2694 tok = str; 2695 if (strlen(str) == 0) { 2696 fprintf(stderr, 2697 "Cannot set fields to 'none' for all event types.\n"); 2698 rc = -EINVAL; 2699 goto out; 2700 } 2701 2702 /* Don't override defaults for +- */ 2703 if (strchr(str, '+') || strchr(str, '-')) 2704 goto parse; 2705 2706 if (output_set_by_user()) 2707 pr_warning("Overriding previous field request for all events.\n"); 2708 2709 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 2710 output[j].fields = 0; 2711 output[j].user_set = true; 2712 output[j].wildcard_set = true; 2713 } 2714 } 2715 2716 parse: 2717 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) { 2718 if (*tok == '+') { 2719 if (change == SET) 2720 goto out_badmix; 2721 change = ADD; 2722 tok++; 2723 } else if (*tok == '-') { 2724 if (change == SET) 2725 goto out_badmix; 2726 change = REMOVE; 2727 tok++; 2728 } else { 2729 if (change != SET && change != DEFAULT) 2730 goto out_badmix; 2731 change = SET; 2732 } 2733 2734 for (i = 0; i < imax; ++i) { 2735 if (strcmp(tok, all_output_options[i].str) == 0) 2736 break; 2737 } 2738 if (i == imax && strcmp(tok, "flags") == 0) { 2739 print_flags = change == REMOVE ? false : true; 2740 continue; 2741 } 2742 if (i == imax) { 2743 fprintf(stderr, "Invalid field requested.\n"); 2744 rc = -EINVAL; 2745 goto out; 2746 } 2747 2748 if (type == -1) { 2749 /* add user option to all events types for 2750 * which it is valid 2751 */ 2752 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 2753 if (output[j].invalid_fields & all_output_options[i].field) { 2754 pr_warning("\'%s\' not valid for %s events. Ignoring.\n", 2755 all_output_options[i].str, event_type(j)); 2756 } else { 2757 if (change == REMOVE) { 2758 output[j].fields &= ~all_output_options[i].field; 2759 output[j].user_set_fields &= ~all_output_options[i].field; 2760 } else { 2761 output[j].fields |= all_output_options[i].field; 2762 output[j].user_set_fields |= all_output_options[i].field; 2763 } 2764 output[j].user_set = true; 2765 output[j].wildcard_set = true; 2766 } 2767 } 2768 } else { 2769 if (output[type].invalid_fields & all_output_options[i].field) { 2770 fprintf(stderr, "\'%s\' not valid for %s events.\n", 2771 all_output_options[i].str, event_type(type)); 2772 2773 rc = -EINVAL; 2774 goto out; 2775 } 2776 if (change == REMOVE) 2777 output[type].fields &= ~all_output_options[i].field; 2778 else 2779 output[type].fields |= all_output_options[i].field; 2780 output[type].user_set = true; 2781 output[type].wildcard_set = true; 2782 } 2783 } 2784 2785 if (type >= 0) { 2786 if (output[type].fields == 0) { 2787 pr_debug("No fields requested for %s type. " 2788 "Events will not be displayed.\n", event_type(type)); 2789 } 2790 } 2791 goto out; 2792 2793 out_badmix: 2794 fprintf(stderr, "Cannot mix +-field with overridden fields\n"); 2795 rc = -EINVAL; 2796 out: 2797 free(str); 2798 return rc; 2799 } 2800 2801 #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \ 2802 while ((lang_dirent = readdir(scripts_dir)) != NULL) \ 2803 if ((lang_dirent->d_type == DT_DIR || \ 2804 (lang_dirent->d_type == DT_UNKNOWN && \ 2805 is_directory(scripts_path, lang_dirent))) && \ 2806 (strcmp(lang_dirent->d_name, ".")) && \ 2807 (strcmp(lang_dirent->d_name, ".."))) 2808 2809 #define for_each_script(lang_path, lang_dir, script_dirent) \ 2810 while ((script_dirent = readdir(lang_dir)) != NULL) \ 2811 if (script_dirent->d_type != DT_DIR && \ 2812 (script_dirent->d_type != DT_UNKNOWN || \ 2813 !is_directory(lang_path, script_dirent))) 2814 2815 2816 #define RECORD_SUFFIX "-record" 2817 #define REPORT_SUFFIX "-report" 2818 2819 struct script_desc { 2820 struct list_head node; 2821 char *name; 2822 char *half_liner; 2823 char *args; 2824 }; 2825 2826 static LIST_HEAD(script_descs); 2827 2828 static struct script_desc *script_desc__new(const char *name) 2829 { 2830 struct script_desc *s = zalloc(sizeof(*s)); 2831 2832 if (s != NULL && name) 2833 s->name = strdup(name); 2834 2835 return s; 2836 } 2837 2838 static void script_desc__delete(struct script_desc *s) 2839 { 2840 zfree(&s->name); 2841 zfree(&s->half_liner); 2842 zfree(&s->args); 2843 free(s); 2844 } 2845 2846 static void script_desc__add(struct script_desc *s) 2847 { 2848 list_add_tail(&s->node, &script_descs); 2849 } 2850 2851 static struct script_desc *script_desc__find(const char *name) 2852 { 2853 struct script_desc *s; 2854 2855 list_for_each_entry(s, &script_descs, node) 2856 if (strcasecmp(s->name, name) == 0) 2857 return s; 2858 return NULL; 2859 } 2860 2861 static struct script_desc *script_desc__findnew(const char *name) 2862 { 2863 struct script_desc *s = script_desc__find(name); 2864 2865 if (s) 2866 return s; 2867 2868 s = script_desc__new(name); 2869 if (!s) 2870 return NULL; 2871 2872 script_desc__add(s); 2873 2874 return s; 2875 } 2876 2877 static const char *ends_with(const char *str, const char *suffix) 2878 { 2879 size_t suffix_len = strlen(suffix); 2880 const char *p = str; 2881 2882 if (strlen(str) > suffix_len) { 2883 p = str + strlen(str) - suffix_len; 2884 if (!strncmp(p, suffix, suffix_len)) 2885 return p; 2886 } 2887 2888 return NULL; 2889 } 2890 2891 static int read_script_info(struct script_desc *desc, const char *filename) 2892 { 2893 char line[BUFSIZ], *p; 2894 FILE *fp; 2895 2896 fp = fopen(filename, "r"); 2897 if (!fp) 2898 return -1; 2899 2900 while (fgets(line, sizeof(line), fp)) { 2901 p = skip_spaces(line); 2902 if (strlen(p) == 0) 2903 continue; 2904 if (*p != '#') 2905 continue; 2906 p++; 2907 if (strlen(p) && *p == '!') 2908 continue; 2909 2910 p = skip_spaces(p); 2911 if (strlen(p) && p[strlen(p) - 1] == '\n') 2912 p[strlen(p) - 1] = '\0'; 2913 2914 if (!strncmp(p, "description:", strlen("description:"))) { 2915 p += strlen("description:"); 2916 desc->half_liner = strdup(skip_spaces(p)); 2917 continue; 2918 } 2919 2920 if (!strncmp(p, "args:", strlen("args:"))) { 2921 p += strlen("args:"); 2922 desc->args = strdup(skip_spaces(p)); 2923 continue; 2924 } 2925 } 2926 2927 fclose(fp); 2928 2929 return 0; 2930 } 2931 2932 static char *get_script_root(struct dirent *script_dirent, const char *suffix) 2933 { 2934 char *script_root, *str; 2935 2936 script_root = strdup(script_dirent->d_name); 2937 if (!script_root) 2938 return NULL; 2939 2940 str = (char *)ends_with(script_root, suffix); 2941 if (!str) { 2942 free(script_root); 2943 return NULL; 2944 } 2945 2946 *str = '\0'; 2947 return script_root; 2948 } 2949 2950 static int list_available_scripts(const struct option *opt __maybe_unused, 2951 const char *s __maybe_unused, 2952 int unset __maybe_unused) 2953 { 2954 struct dirent *script_dirent, *lang_dirent; 2955 char scripts_path[MAXPATHLEN]; 2956 DIR *scripts_dir, *lang_dir; 2957 char script_path[MAXPATHLEN]; 2958 char lang_path[MAXPATHLEN]; 2959 struct script_desc *desc; 2960 char first_half[BUFSIZ]; 2961 char *script_root; 2962 2963 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 2964 2965 scripts_dir = opendir(scripts_path); 2966 if (!scripts_dir) { 2967 fprintf(stdout, 2968 "open(%s) failed.\n" 2969 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n", 2970 scripts_path); 2971 exit(-1); 2972 } 2973 2974 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 2975 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 2976 lang_dirent->d_name); 2977 lang_dir = opendir(lang_path); 2978 if (!lang_dir) 2979 continue; 2980 2981 for_each_script(lang_path, lang_dir, script_dirent) { 2982 script_root = get_script_root(script_dirent, REPORT_SUFFIX); 2983 if (script_root) { 2984 desc = script_desc__findnew(script_root); 2985 scnprintf(script_path, MAXPATHLEN, "%s/%s", 2986 lang_path, script_dirent->d_name); 2987 read_script_info(desc, script_path); 2988 free(script_root); 2989 } 2990 } 2991 } 2992 2993 fprintf(stdout, "List of available trace scripts:\n"); 2994 list_for_each_entry(desc, &script_descs, node) { 2995 sprintf(first_half, "%s %s", desc->name, 2996 desc->args ? desc->args : ""); 2997 fprintf(stdout, " %-36s %s\n", first_half, 2998 desc->half_liner ? desc->half_liner : ""); 2999 } 3000 3001 exit(0); 3002 } 3003 3004 /* 3005 * Some scripts specify the required events in their "xxx-record" file, 3006 * this function will check if the events in perf.data match those 3007 * mentioned in the "xxx-record". 3008 * 3009 * Fixme: All existing "xxx-record" are all in good formats "-e event ", 3010 * which is covered well now. And new parsing code should be added to 3011 * cover the future complexing formats like event groups etc. 3012 */ 3013 static int check_ev_match(char *dir_name, char *scriptname, 3014 struct perf_session *session) 3015 { 3016 char filename[MAXPATHLEN], evname[128]; 3017 char line[BUFSIZ], *p; 3018 struct evsel *pos; 3019 int match, len; 3020 FILE *fp; 3021 3022 scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname); 3023 3024 fp = fopen(filename, "r"); 3025 if (!fp) 3026 return -1; 3027 3028 while (fgets(line, sizeof(line), fp)) { 3029 p = skip_spaces(line); 3030 if (*p == '#') 3031 continue; 3032 3033 while (strlen(p)) { 3034 p = strstr(p, "-e"); 3035 if (!p) 3036 break; 3037 3038 p += 2; 3039 p = skip_spaces(p); 3040 len = strcspn(p, " \t"); 3041 if (!len) 3042 break; 3043 3044 snprintf(evname, len + 1, "%s", p); 3045 3046 match = 0; 3047 evlist__for_each_entry(session->evlist, pos) { 3048 if (!strcmp(perf_evsel__name(pos), evname)) { 3049 match = 1; 3050 break; 3051 } 3052 } 3053 3054 if (!match) { 3055 fclose(fp); 3056 return -1; 3057 } 3058 } 3059 } 3060 3061 fclose(fp); 3062 return 0; 3063 } 3064 3065 /* 3066 * Return -1 if none is found, otherwise the actual scripts number. 3067 * 3068 * Currently the only user of this function is the script browser, which 3069 * will list all statically runnable scripts, select one, execute it and 3070 * show the output in a perf browser. 3071 */ 3072 int find_scripts(char **scripts_array, char **scripts_path_array, int num, 3073 int pathlen) 3074 { 3075 struct dirent *script_dirent, *lang_dirent; 3076 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; 3077 DIR *scripts_dir, *lang_dir; 3078 struct perf_session *session; 3079 struct perf_data data = { 3080 .path = input_name, 3081 .mode = PERF_DATA_MODE_READ, 3082 }; 3083 char *temp; 3084 int i = 0; 3085 3086 session = perf_session__new(&data, false, NULL); 3087 if (IS_ERR(session)) 3088 return PTR_ERR(session); 3089 3090 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3091 3092 scripts_dir = opendir(scripts_path); 3093 if (!scripts_dir) { 3094 perf_session__delete(session); 3095 return -1; 3096 } 3097 3098 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3099 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, 3100 lang_dirent->d_name); 3101 #ifndef HAVE_LIBPERL_SUPPORT 3102 if (strstr(lang_path, "perl")) 3103 continue; 3104 #endif 3105 #ifndef HAVE_LIBPYTHON_SUPPORT 3106 if (strstr(lang_path, "python")) 3107 continue; 3108 #endif 3109 3110 lang_dir = opendir(lang_path); 3111 if (!lang_dir) 3112 continue; 3113 3114 for_each_script(lang_path, lang_dir, script_dirent) { 3115 /* Skip those real time scripts: xxxtop.p[yl] */ 3116 if (strstr(script_dirent->d_name, "top.")) 3117 continue; 3118 if (i >= num) 3119 break; 3120 snprintf(scripts_path_array[i], pathlen, "%s/%s", 3121 lang_path, 3122 script_dirent->d_name); 3123 temp = strchr(script_dirent->d_name, '.'); 3124 snprintf(scripts_array[i], 3125 (temp - script_dirent->d_name) + 1, 3126 "%s", script_dirent->d_name); 3127 3128 if (check_ev_match(lang_path, 3129 scripts_array[i], session)) 3130 continue; 3131 3132 i++; 3133 } 3134 closedir(lang_dir); 3135 } 3136 3137 closedir(scripts_dir); 3138 perf_session__delete(session); 3139 return i; 3140 } 3141 3142 static char *get_script_path(const char *script_root, const char *suffix) 3143 { 3144 struct dirent *script_dirent, *lang_dirent; 3145 char scripts_path[MAXPATHLEN]; 3146 char script_path[MAXPATHLEN]; 3147 DIR *scripts_dir, *lang_dir; 3148 char lang_path[MAXPATHLEN]; 3149 char *__script_root; 3150 3151 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3152 3153 scripts_dir = opendir(scripts_path); 3154 if (!scripts_dir) 3155 return NULL; 3156 3157 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3158 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3159 lang_dirent->d_name); 3160 lang_dir = opendir(lang_path); 3161 if (!lang_dir) 3162 continue; 3163 3164 for_each_script(lang_path, lang_dir, script_dirent) { 3165 __script_root = get_script_root(script_dirent, suffix); 3166 if (__script_root && !strcmp(script_root, __script_root)) { 3167 free(__script_root); 3168 closedir(lang_dir); 3169 closedir(scripts_dir); 3170 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3171 lang_path, script_dirent->d_name); 3172 return strdup(script_path); 3173 } 3174 free(__script_root); 3175 } 3176 closedir(lang_dir); 3177 } 3178 closedir(scripts_dir); 3179 3180 return NULL; 3181 } 3182 3183 static bool is_top_script(const char *script_path) 3184 { 3185 return ends_with(script_path, "top") == NULL ? false : true; 3186 } 3187 3188 static int has_required_arg(char *script_path) 3189 { 3190 struct script_desc *desc; 3191 int n_args = 0; 3192 char *p; 3193 3194 desc = script_desc__new(NULL); 3195 3196 if (read_script_info(desc, script_path)) 3197 goto out; 3198 3199 if (!desc->args) 3200 goto out; 3201 3202 for (p = desc->args; *p; p++) 3203 if (*p == '<') 3204 n_args++; 3205 out: 3206 script_desc__delete(desc); 3207 3208 return n_args; 3209 } 3210 3211 static int have_cmd(int argc, const char **argv) 3212 { 3213 char **__argv = malloc(sizeof(const char *) * argc); 3214 3215 if (!__argv) { 3216 pr_err("malloc failed\n"); 3217 return -1; 3218 } 3219 3220 memcpy(__argv, argv, sizeof(const char *) * argc); 3221 argc = parse_options(argc, (const char **)__argv, record_options, 3222 NULL, PARSE_OPT_STOP_AT_NON_OPTION); 3223 free(__argv); 3224 3225 system_wide = (argc == 0); 3226 3227 return 0; 3228 } 3229 3230 static void script__setup_sample_type(struct perf_script *script) 3231 { 3232 struct perf_session *session = script->session; 3233 u64 sample_type = perf_evlist__combined_sample_type(session->evlist); 3234 3235 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) { 3236 if ((sample_type & PERF_SAMPLE_REGS_USER) && 3237 (sample_type & PERF_SAMPLE_STACK_USER)) { 3238 callchain_param.record_mode = CALLCHAIN_DWARF; 3239 dwarf_callchain_users = true; 3240 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK) 3241 callchain_param.record_mode = CALLCHAIN_LBR; 3242 else 3243 callchain_param.record_mode = CALLCHAIN_FP; 3244 } 3245 } 3246 3247 static int process_stat_round_event(struct perf_session *session, 3248 union perf_event *event) 3249 { 3250 struct perf_record_stat_round *round = &event->stat_round; 3251 struct evsel *counter; 3252 3253 evlist__for_each_entry(session->evlist, counter) { 3254 perf_stat_process_counter(&stat_config, counter); 3255 process_stat(counter, round->time); 3256 } 3257 3258 process_stat_interval(round->time); 3259 return 0; 3260 } 3261 3262 static int process_stat_config_event(struct perf_session *session __maybe_unused, 3263 union perf_event *event) 3264 { 3265 perf_event__read_stat_config(&stat_config, &event->stat_config); 3266 return 0; 3267 } 3268 3269 static int set_maps(struct perf_script *script) 3270 { 3271 struct evlist *evlist = script->session->evlist; 3272 3273 if (!script->cpus || !script->threads) 3274 return 0; 3275 3276 if (WARN_ONCE(script->allocated, "stats double allocation\n")) 3277 return -EINVAL; 3278 3279 perf_evlist__set_maps(&evlist->core, script->cpus, script->threads); 3280 3281 if (perf_evlist__alloc_stats(evlist, true)) 3282 return -ENOMEM; 3283 3284 script->allocated = true; 3285 return 0; 3286 } 3287 3288 static 3289 int process_thread_map_event(struct perf_session *session, 3290 union perf_event *event) 3291 { 3292 struct perf_tool *tool = session->tool; 3293 struct perf_script *script = container_of(tool, struct perf_script, tool); 3294 3295 if (script->threads) { 3296 pr_warning("Extra thread map event, ignoring.\n"); 3297 return 0; 3298 } 3299 3300 script->threads = thread_map__new_event(&event->thread_map); 3301 if (!script->threads) 3302 return -ENOMEM; 3303 3304 return set_maps(script); 3305 } 3306 3307 static 3308 int process_cpu_map_event(struct perf_session *session, 3309 union perf_event *event) 3310 { 3311 struct perf_tool *tool = session->tool; 3312 struct perf_script *script = container_of(tool, struct perf_script, tool); 3313 3314 if (script->cpus) { 3315 pr_warning("Extra cpu map event, ignoring.\n"); 3316 return 0; 3317 } 3318 3319 script->cpus = cpu_map__new_data(&event->cpu_map.data); 3320 if (!script->cpus) 3321 return -ENOMEM; 3322 3323 return set_maps(script); 3324 } 3325 3326 static int process_feature_event(struct perf_session *session, 3327 union perf_event *event) 3328 { 3329 if (event->feat.feat_id < HEADER_LAST_FEATURE) 3330 return perf_event__process_feature(session, event); 3331 return 0; 3332 } 3333 3334 #ifdef HAVE_AUXTRACE_SUPPORT 3335 static int perf_script__process_auxtrace_info(struct perf_session *session, 3336 union perf_event *event) 3337 { 3338 struct perf_tool *tool = session->tool; 3339 3340 int ret = perf_event__process_auxtrace_info(session, event); 3341 3342 if (ret == 0) { 3343 struct perf_script *script = container_of(tool, struct perf_script, tool); 3344 3345 ret = perf_script__setup_per_event_dump(script); 3346 } 3347 3348 return ret; 3349 } 3350 #else 3351 #define perf_script__process_auxtrace_info 0 3352 #endif 3353 3354 static int parse_insn_trace(const struct option *opt __maybe_unused, 3355 const char *str __maybe_unused, 3356 int unset __maybe_unused) 3357 { 3358 parse_output_fields(NULL, "+insn,-event,-period", 0); 3359 itrace_parse_synth_opts(opt, "i0ns", 0); 3360 symbol_conf.nanosecs = true; 3361 return 0; 3362 } 3363 3364 static int parse_xed(const struct option *opt __maybe_unused, 3365 const char *str __maybe_unused, 3366 int unset __maybe_unused) 3367 { 3368 force_pager("xed -F insn: -A -64 | less"); 3369 return 0; 3370 } 3371 3372 static int parse_call_trace(const struct option *opt __maybe_unused, 3373 const char *str __maybe_unused, 3374 int unset __maybe_unused) 3375 { 3376 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0); 3377 itrace_parse_synth_opts(opt, "cewp", 0); 3378 symbol_conf.nanosecs = true; 3379 symbol_conf.pad_output_len_dso = 50; 3380 return 0; 3381 } 3382 3383 static int parse_callret_trace(const struct option *opt __maybe_unused, 3384 const char *str __maybe_unused, 3385 int unset __maybe_unused) 3386 { 3387 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0); 3388 itrace_parse_synth_opts(opt, "crewp", 0); 3389 symbol_conf.nanosecs = true; 3390 return 0; 3391 } 3392 3393 int cmd_script(int argc, const char **argv) 3394 { 3395 bool show_full_info = false; 3396 bool header = false; 3397 bool header_only = false; 3398 bool script_started = false; 3399 char *rec_script_path = NULL; 3400 char *rep_script_path = NULL; 3401 struct perf_session *session; 3402 struct itrace_synth_opts itrace_synth_opts = { 3403 .set = false, 3404 .default_no_sample = true, 3405 }; 3406 struct utsname uts; 3407 char *script_path = NULL; 3408 const char **__argv; 3409 int i, j, err = 0; 3410 struct perf_script script = { 3411 .tool = { 3412 .sample = process_sample_event, 3413 .mmap = perf_event__process_mmap, 3414 .mmap2 = perf_event__process_mmap2, 3415 .comm = perf_event__process_comm, 3416 .namespaces = perf_event__process_namespaces, 3417 .exit = perf_event__process_exit, 3418 .fork = perf_event__process_fork, 3419 .attr = process_attr, 3420 .event_update = perf_event__process_event_update, 3421 .tracing_data = perf_event__process_tracing_data, 3422 .feature = process_feature_event, 3423 .build_id = perf_event__process_build_id, 3424 .id_index = perf_event__process_id_index, 3425 .auxtrace_info = perf_script__process_auxtrace_info, 3426 .auxtrace = perf_event__process_auxtrace, 3427 .auxtrace_error = perf_event__process_auxtrace_error, 3428 .stat = perf_event__process_stat_event, 3429 .stat_round = process_stat_round_event, 3430 .stat_config = process_stat_config_event, 3431 .thread_map = process_thread_map_event, 3432 .cpu_map = process_cpu_map_event, 3433 .ordered_events = true, 3434 .ordering_requires_timestamps = true, 3435 }, 3436 }; 3437 struct perf_data data = { 3438 .mode = PERF_DATA_MODE_READ, 3439 }; 3440 const struct option options[] = { 3441 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 3442 "dump raw trace in ASCII"), 3443 OPT_INCR('v', "verbose", &verbose, 3444 "be more verbose (show symbol address, etc)"), 3445 OPT_BOOLEAN('L', "Latency", &latency_format, 3446 "show latency attributes (irqs/preemption disabled, etc)"), 3447 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", 3448 list_available_scripts), 3449 OPT_CALLBACK('s', "script", NULL, "name", 3450 "script file name (lang:script name, script name, or *)", 3451 parse_scriptname), 3452 OPT_STRING('g', "gen-script", &generate_script_lang, "lang", 3453 "generate perf-script.xx script in specified language"), 3454 OPT_STRING('i', "input", &input_name, "file", "input file name"), 3455 OPT_BOOLEAN('d', "debug-mode", &debug_mode, 3456 "do various checks like samples ordering and lost events"), 3457 OPT_BOOLEAN(0, "header", &header, "Show data header."), 3458 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."), 3459 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 3460 "file", "vmlinux pathname"), 3461 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 3462 "file", "kallsyms pathname"), 3463 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, 3464 "When printing symbols do not display call chain"), 3465 OPT_CALLBACK(0, "symfs", NULL, "directory", 3466 "Look for files with symbols relative to this directory", 3467 symbol__config_symfs), 3468 OPT_CALLBACK('F', "fields", NULL, "str", 3469 "comma separated output fields prepend with 'type:'. " 3470 "+field to add and -field to remove." 3471 "Valid types: hw,sw,trace,raw,synth. " 3472 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso," 3473 "addr,symoff,srcline,period,iregs,uregs,brstack," 3474 "brstacksym,flags,bpf-output,brstackinsn,brstackoff," 3475 "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc", 3476 parse_output_fields), 3477 OPT_BOOLEAN('a', "all-cpus", &system_wide, 3478 "system-wide collection from all CPUs"), 3479 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 3480 "only consider these symbols"), 3481 OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL, 3482 "Decode instructions from itrace", parse_insn_trace), 3483 OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL, 3484 "Run xed disassembler on output", parse_xed), 3485 OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL, 3486 "Decode calls from from itrace", parse_call_trace), 3487 OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL, 3488 "Decode calls and returns from itrace", parse_callret_trace), 3489 OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]", 3490 "Only print symbols and callees with --call-trace/--call-ret-trace"), 3491 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]", 3492 "Stop display of callgraph at these symbols"), 3493 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), 3494 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 3495 "only display events for these comms"), 3496 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 3497 "only consider symbols in these pids"), 3498 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 3499 "only consider symbols in these tids"), 3500 OPT_UINTEGER(0, "max-stack", &scripting_max_stack, 3501 "Set the maximum stack depth when parsing the callchain, " 3502 "anything beyond the specified depth will be ignored. " 3503 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 3504 OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"), 3505 OPT_BOOLEAN('I', "show-info", &show_full_info, 3506 "display extended information from perf.data file"), 3507 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, 3508 "Show the path of [kernel.kallsyms]"), 3509 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, 3510 "Show the fork/comm/exit events"), 3511 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, 3512 "Show the mmap events"), 3513 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events, 3514 "Show context switch events (if recorded)"), 3515 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events, 3516 "Show namespace events (if recorded)"), 3517 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events, 3518 "Show lost events (if recorded)"), 3519 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events, 3520 "Show round events (if recorded)"), 3521 OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events, 3522 "Show bpf related events (if recorded)"), 3523 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump, 3524 "Dump trace output to files named by the monitored events"), 3525 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 3526 OPT_INTEGER(0, "max-blocks", &max_blocks, 3527 "Maximum number of code blocks to dump with brstackinsn"), 3528 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, 3529 "Use 9 decimal places when displaying time"), 3530 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 3531 "Instruction Tracing options\n" ITRACE_HELP, 3532 itrace_parse_synth_opts), 3533 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 3534 "Show full source file name path for source lines"), 3535 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 3536 "Enable symbol demangling"), 3537 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 3538 "Enable kernel symbol demangling"), 3539 OPT_STRING(0, "time", &script.time_str, "str", 3540 "Time span of interest (start,stop)"), 3541 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 3542 "Show inline function"), 3543 OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory", 3544 "guest mount directory under which every guest os" 3545 " instance has a subdir"), 3546 OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name, 3547 "file", "file saving guest os vmlinux"), 3548 OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms, 3549 "file", "file saving guest os /proc/kallsyms"), 3550 OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules, 3551 "file", "file saving guest os /proc/modules"), 3552 OPTS_EVSWITCH(&script.evswitch), 3553 OPT_END() 3554 }; 3555 const char * const script_subcommands[] = { "record", "report", NULL }; 3556 const char *script_usage[] = { 3557 "perf script [<options>]", 3558 "perf script [<options>] record <script> [<record-options>] <command>", 3559 "perf script [<options>] report <script> [script-args]", 3560 "perf script [<options>] <script> [<record-options>] <command>", 3561 "perf script [<options>] <top-script> [script-args]", 3562 NULL 3563 }; 3564 3565 perf_set_singlethreaded(); 3566 3567 setup_scripting(); 3568 3569 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage, 3570 PARSE_OPT_STOP_AT_NON_OPTION); 3571 3572 if (symbol_conf.guestmount || 3573 symbol_conf.default_guest_vmlinux_name || 3574 symbol_conf.default_guest_kallsyms || 3575 symbol_conf.default_guest_modules) { 3576 /* 3577 * Enable guest sample processing. 3578 */ 3579 perf_guest = true; 3580 } 3581 3582 data.path = input_name; 3583 data.force = symbol_conf.force; 3584 3585 if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) { 3586 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); 3587 if (!rec_script_path) 3588 return cmd_record(argc, argv); 3589 } 3590 3591 if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) { 3592 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); 3593 if (!rep_script_path) { 3594 fprintf(stderr, 3595 "Please specify a valid report script" 3596 "(see 'perf script -l' for listing)\n"); 3597 return -1; 3598 } 3599 } 3600 3601 if (script.time_str && reltime) { 3602 fprintf(stderr, "Don't combine --reltime with --time\n"); 3603 return -1; 3604 } 3605 3606 if (itrace_synth_opts.callchain && 3607 itrace_synth_opts.callchain_sz > scripting_max_stack) 3608 scripting_max_stack = itrace_synth_opts.callchain_sz; 3609 3610 /* make sure PERF_EXEC_PATH is set for scripts */ 3611 set_argv_exec_path(get_argv_exec_path()); 3612 3613 if (argc && !script_name && !rec_script_path && !rep_script_path) { 3614 int live_pipe[2]; 3615 int rep_args; 3616 pid_t pid; 3617 3618 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); 3619 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); 3620 3621 if (!rec_script_path && !rep_script_path) { 3622 usage_with_options_msg(script_usage, options, 3623 "Couldn't find script `%s'\n\n See perf" 3624 " script -l for available scripts.\n", argv[0]); 3625 } 3626 3627 if (is_top_script(argv[0])) { 3628 rep_args = argc - 1; 3629 } else { 3630 int rec_args; 3631 3632 rep_args = has_required_arg(rep_script_path); 3633 rec_args = (argc - 1) - rep_args; 3634 if (rec_args < 0) { 3635 usage_with_options_msg(script_usage, options, 3636 "`%s' script requires options." 3637 "\n\n See perf script -l for available " 3638 "scripts and options.\n", argv[0]); 3639 } 3640 } 3641 3642 if (pipe(live_pipe) < 0) { 3643 perror("failed to create pipe"); 3644 return -1; 3645 } 3646 3647 pid = fork(); 3648 if (pid < 0) { 3649 perror("failed to fork"); 3650 return -1; 3651 } 3652 3653 if (!pid) { 3654 j = 0; 3655 3656 dup2(live_pipe[1], 1); 3657 close(live_pipe[0]); 3658 3659 if (is_top_script(argv[0])) { 3660 system_wide = true; 3661 } else if (!system_wide) { 3662 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { 3663 err = -1; 3664 goto out; 3665 } 3666 } 3667 3668 __argv = malloc((argc + 6) * sizeof(const char *)); 3669 if (!__argv) { 3670 pr_err("malloc failed\n"); 3671 err = -ENOMEM; 3672 goto out; 3673 } 3674 3675 __argv[j++] = "/bin/sh"; 3676 __argv[j++] = rec_script_path; 3677 if (system_wide) 3678 __argv[j++] = "-a"; 3679 __argv[j++] = "-q"; 3680 __argv[j++] = "-o"; 3681 __argv[j++] = "-"; 3682 for (i = rep_args + 1; i < argc; i++) 3683 __argv[j++] = argv[i]; 3684 __argv[j++] = NULL; 3685 3686 execvp("/bin/sh", (char **)__argv); 3687 free(__argv); 3688 exit(-1); 3689 } 3690 3691 dup2(live_pipe[0], 0); 3692 close(live_pipe[1]); 3693 3694 __argv = malloc((argc + 4) * sizeof(const char *)); 3695 if (!__argv) { 3696 pr_err("malloc failed\n"); 3697 err = -ENOMEM; 3698 goto out; 3699 } 3700 3701 j = 0; 3702 __argv[j++] = "/bin/sh"; 3703 __argv[j++] = rep_script_path; 3704 for (i = 1; i < rep_args + 1; i++) 3705 __argv[j++] = argv[i]; 3706 __argv[j++] = "-i"; 3707 __argv[j++] = "-"; 3708 __argv[j++] = NULL; 3709 3710 execvp("/bin/sh", (char **)__argv); 3711 free(__argv); 3712 exit(-1); 3713 } 3714 3715 if (rec_script_path) 3716 script_path = rec_script_path; 3717 if (rep_script_path) 3718 script_path = rep_script_path; 3719 3720 if (script_path) { 3721 j = 0; 3722 3723 if (!rec_script_path) 3724 system_wide = false; 3725 else if (!system_wide) { 3726 if (have_cmd(argc - 1, &argv[1]) != 0) { 3727 err = -1; 3728 goto out; 3729 } 3730 } 3731 3732 __argv = malloc((argc + 2) * sizeof(const char *)); 3733 if (!__argv) { 3734 pr_err("malloc failed\n"); 3735 err = -ENOMEM; 3736 goto out; 3737 } 3738 3739 __argv[j++] = "/bin/sh"; 3740 __argv[j++] = script_path; 3741 if (system_wide) 3742 __argv[j++] = "-a"; 3743 for (i = 2; i < argc; i++) 3744 __argv[j++] = argv[i]; 3745 __argv[j++] = NULL; 3746 3747 execvp("/bin/sh", (char **)__argv); 3748 free(__argv); 3749 exit(-1); 3750 } 3751 3752 if (!script_name) { 3753 setup_pager(); 3754 use_browser = 0; 3755 } 3756 3757 session = perf_session__new(&data, false, &script.tool); 3758 if (IS_ERR(session)) 3759 return PTR_ERR(session); 3760 3761 if (header || header_only) { 3762 script.tool.show_feat_hdr = SHOW_FEAT_HEADER; 3763 perf_session__fprintf_info(session, stdout, show_full_info); 3764 if (header_only) 3765 goto out_delete; 3766 } 3767 if (show_full_info) 3768 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 3769 3770 if (symbol__init(&session->header.env) < 0) 3771 goto out_delete; 3772 3773 uname(&uts); 3774 if (data.is_pipe || /* assume pipe_mode indicates native_arch */ 3775 !strcmp(uts.machine, session->header.env.arch) || 3776 (!strcmp(uts.machine, "x86_64") && 3777 !strcmp(session->header.env.arch, "i386"))) 3778 native_arch = true; 3779 3780 script.session = session; 3781 script__setup_sample_type(&script); 3782 3783 if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) || 3784 symbol_conf.graph_function) 3785 itrace_synth_opts.thread_stack = true; 3786 3787 session->itrace_synth_opts = &itrace_synth_opts; 3788 3789 if (cpu_list) { 3790 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap); 3791 if (err < 0) 3792 goto out_delete; 3793 itrace_synth_opts.cpu_bitmap = cpu_bitmap; 3794 } 3795 3796 if (!no_callchain) 3797 symbol_conf.use_callchain = true; 3798 else 3799 symbol_conf.use_callchain = false; 3800 3801 if (session->tevent.pevent && 3802 tep_set_function_resolver(session->tevent.pevent, 3803 machine__resolve_kernel_addr, 3804 &session->machines.host) < 0) { 3805 pr_err("%s: failed to set libtraceevent function resolver\n", __func__); 3806 err = -1; 3807 goto out_delete; 3808 } 3809 3810 if (generate_script_lang) { 3811 struct stat perf_stat; 3812 int input; 3813 3814 if (output_set_by_user()) { 3815 fprintf(stderr, 3816 "custom fields not supported for generated scripts"); 3817 err = -EINVAL; 3818 goto out_delete; 3819 } 3820 3821 input = open(data.path, O_RDONLY); /* input_name */ 3822 if (input < 0) { 3823 err = -errno; 3824 perror("failed to open file"); 3825 goto out_delete; 3826 } 3827 3828 err = fstat(input, &perf_stat); 3829 if (err < 0) { 3830 perror("failed to stat file"); 3831 goto out_delete; 3832 } 3833 3834 if (!perf_stat.st_size) { 3835 fprintf(stderr, "zero-sized file, nothing to do!\n"); 3836 goto out_delete; 3837 } 3838 3839 scripting_ops = script_spec__lookup(generate_script_lang); 3840 if (!scripting_ops) { 3841 fprintf(stderr, "invalid language specifier"); 3842 err = -ENOENT; 3843 goto out_delete; 3844 } 3845 3846 err = scripting_ops->generate_script(session->tevent.pevent, 3847 "perf-script"); 3848 goto out_delete; 3849 } 3850 3851 if (script_name) { 3852 err = scripting_ops->start_script(script_name, argc, argv); 3853 if (err) 3854 goto out_delete; 3855 pr_debug("perf script started with script %s\n\n", script_name); 3856 script_started = true; 3857 } 3858 3859 3860 err = perf_session__check_output_opt(session); 3861 if (err < 0) 3862 goto out_delete; 3863 3864 if (script.time_str) { 3865 err = perf_time__parse_for_ranges(script.time_str, session, 3866 &script.ptime_range, 3867 &script.range_size, 3868 &script.range_num); 3869 if (err < 0) 3870 goto out_delete; 3871 3872 itrace_synth_opts__set_time_range(&itrace_synth_opts, 3873 script.ptime_range, 3874 script.range_num); 3875 } 3876 3877 err = evswitch__init(&script.evswitch, session->evlist, stderr); 3878 if (err) 3879 goto out_delete; 3880 3881 err = __cmd_script(&script); 3882 3883 flush_scripting(); 3884 3885 out_delete: 3886 if (script.ptime_range) { 3887 itrace_synth_opts__clear_time_range(&itrace_synth_opts); 3888 zfree(&script.ptime_range); 3889 } 3890 3891 perf_evlist__free_stats(session->evlist); 3892 perf_session__delete(session); 3893 3894 if (script_started) 3895 cleanup_scripting(); 3896 out: 3897 return err; 3898 } 3899