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