1 // SPDX-License-Identifier: GPL-2.0 2 #include "builtin.h" 3 4 #include "util/counts.h" 5 #include "util/debug.h" 6 #include "util/dso.h" 7 #include <subcmd/exec-cmd.h> 8 #include "util/header.h" 9 #include <subcmd/parse-options.h> 10 #include "util/perf_regs.h" 11 #include "util/session.h" 12 #include "util/tool.h" 13 #include "util/map.h" 14 #include "util/srcline.h" 15 #include "util/symbol.h" 16 #include "util/thread.h" 17 #include "util/trace-event.h" 18 #include "util/evlist.h" 19 #include "util/evsel.h" 20 #include "util/evsel_fprintf.h" 21 #include "util/evswitch.h" 22 #include "util/sort.h" 23 #include "util/data.h" 24 #include "util/auxtrace.h" 25 #include "util/cpumap.h" 26 #include "util/thread_map.h" 27 #include "util/stat.h" 28 #include "util/color.h" 29 #include "util/string2.h" 30 #include "util/thread-stack.h" 31 #include "util/time-utils.h" 32 #include "util/path.h" 33 #include "ui/ui.h" 34 #include "print_binary.h" 35 #include "archinsn.h" 36 #include <linux/bitmap.h> 37 #include <linux/kernel.h> 38 #include <linux/stringify.h> 39 #include <linux/time64.h> 40 #include <linux/zalloc.h> 41 #include <sys/utsname.h> 42 #include "asm/bug.h" 43 #include "util/mem-events.h" 44 #include "util/dump-insn.h" 45 #include <dirent.h> 46 #include <errno.h> 47 #include <inttypes.h> 48 #include <signal.h> 49 #include <sys/param.h> 50 #include <sys/types.h> 51 #include <sys/stat.h> 52 #include <fcntl.h> 53 #include <unistd.h> 54 #include <subcmd/pager.h> 55 #include <perf/evlist.h> 56 #include <linux/err.h> 57 #include "util/record.h" 58 #include "util/util.h" 59 #include "perf.h" 60 61 #include <linux/ctype.h> 62 63 static char const *script_name; 64 static char const *generate_script_lang; 65 static bool reltime; 66 static bool deltatime; 67 static u64 initial_time; 68 static u64 previous_time; 69 static bool debug_mode; 70 static u64 last_timestamp; 71 static u64 nr_unordered; 72 static bool no_callchain; 73 static bool latency_format; 74 static bool system_wide; 75 static bool print_flags; 76 static const char *cpu_list; 77 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); 78 static struct perf_stat_config stat_config; 79 static int max_blocks; 80 static bool native_arch; 81 82 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH; 83 84 enum perf_output_field { 85 PERF_OUTPUT_COMM = 1ULL << 0, 86 PERF_OUTPUT_TID = 1ULL << 1, 87 PERF_OUTPUT_PID = 1ULL << 2, 88 PERF_OUTPUT_TIME = 1ULL << 3, 89 PERF_OUTPUT_CPU = 1ULL << 4, 90 PERF_OUTPUT_EVNAME = 1ULL << 5, 91 PERF_OUTPUT_TRACE = 1ULL << 6, 92 PERF_OUTPUT_IP = 1ULL << 7, 93 PERF_OUTPUT_SYM = 1ULL << 8, 94 PERF_OUTPUT_DSO = 1ULL << 9, 95 PERF_OUTPUT_ADDR = 1ULL << 10, 96 PERF_OUTPUT_SYMOFFSET = 1ULL << 11, 97 PERF_OUTPUT_SRCLINE = 1ULL << 12, 98 PERF_OUTPUT_PERIOD = 1ULL << 13, 99 PERF_OUTPUT_IREGS = 1ULL << 14, 100 PERF_OUTPUT_BRSTACK = 1ULL << 15, 101 PERF_OUTPUT_BRSTACKSYM = 1ULL << 16, 102 PERF_OUTPUT_DATA_SRC = 1ULL << 17, 103 PERF_OUTPUT_WEIGHT = 1ULL << 18, 104 PERF_OUTPUT_BPF_OUTPUT = 1ULL << 19, 105 PERF_OUTPUT_CALLINDENT = 1ULL << 20, 106 PERF_OUTPUT_INSN = 1ULL << 21, 107 PERF_OUTPUT_INSNLEN = 1ULL << 22, 108 PERF_OUTPUT_BRSTACKINSN = 1ULL << 23, 109 PERF_OUTPUT_BRSTACKOFF = 1ULL << 24, 110 PERF_OUTPUT_SYNTH = 1ULL << 25, 111 PERF_OUTPUT_PHYS_ADDR = 1ULL << 26, 112 PERF_OUTPUT_UREGS = 1ULL << 27, 113 PERF_OUTPUT_METRIC = 1ULL << 28, 114 PERF_OUTPUT_MISC = 1ULL << 29, 115 PERF_OUTPUT_SRCCODE = 1ULL << 30, 116 PERF_OUTPUT_IPC = 1ULL << 31, 117 PERF_OUTPUT_TOD = 1ULL << 32, 118 }; 119 120 struct perf_script { 121 struct perf_tool tool; 122 struct perf_session *session; 123 bool show_task_events; 124 bool show_mmap_events; 125 bool show_switch_events; 126 bool show_namespace_events; 127 bool show_lost_events; 128 bool show_round_events; 129 bool show_bpf_events; 130 bool show_cgroup_events; 131 bool show_text_poke_events; 132 bool allocated; 133 bool per_event_dump; 134 bool stitch_lbr; 135 struct evswitch evswitch; 136 struct perf_cpu_map *cpus; 137 struct perf_thread_map *threads; 138 int name_width; 139 const char *time_str; 140 struct perf_time_interval *ptime_range; 141 int range_size; 142 int range_num; 143 }; 144 145 struct output_option { 146 const char *str; 147 enum perf_output_field field; 148 } all_output_options[] = { 149 {.str = "comm", .field = PERF_OUTPUT_COMM}, 150 {.str = "tid", .field = PERF_OUTPUT_TID}, 151 {.str = "pid", .field = PERF_OUTPUT_PID}, 152 {.str = "time", .field = PERF_OUTPUT_TIME}, 153 {.str = "cpu", .field = PERF_OUTPUT_CPU}, 154 {.str = "event", .field = PERF_OUTPUT_EVNAME}, 155 {.str = "trace", .field = PERF_OUTPUT_TRACE}, 156 {.str = "ip", .field = PERF_OUTPUT_IP}, 157 {.str = "sym", .field = PERF_OUTPUT_SYM}, 158 {.str = "dso", .field = PERF_OUTPUT_DSO}, 159 {.str = "addr", .field = PERF_OUTPUT_ADDR}, 160 {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET}, 161 {.str = "srcline", .field = PERF_OUTPUT_SRCLINE}, 162 {.str = "period", .field = PERF_OUTPUT_PERIOD}, 163 {.str = "iregs", .field = PERF_OUTPUT_IREGS}, 164 {.str = "uregs", .field = PERF_OUTPUT_UREGS}, 165 {.str = "brstack", .field = PERF_OUTPUT_BRSTACK}, 166 {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM}, 167 {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC}, 168 {.str = "weight", .field = PERF_OUTPUT_WEIGHT}, 169 {.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT}, 170 {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT}, 171 {.str = "insn", .field = PERF_OUTPUT_INSN}, 172 {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN}, 173 {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN}, 174 {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF}, 175 {.str = "synth", .field = PERF_OUTPUT_SYNTH}, 176 {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR}, 177 {.str = "metric", .field = PERF_OUTPUT_METRIC}, 178 {.str = "misc", .field = PERF_OUTPUT_MISC}, 179 {.str = "srccode", .field = PERF_OUTPUT_SRCCODE}, 180 {.str = "ipc", .field = PERF_OUTPUT_IPC}, 181 {.str = "tod", .field = PERF_OUTPUT_TOD}, 182 }; 183 184 enum { 185 OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX, 186 OUTPUT_TYPE_MAX 187 }; 188 189 /* default set to maintain compatibility with current format */ 190 static struct { 191 bool user_set; 192 bool wildcard_set; 193 unsigned int print_ip_opts; 194 u64 fields; 195 u64 invalid_fields; 196 u64 user_set_fields; 197 u64 user_unset_fields; 198 } output[OUTPUT_TYPE_MAX] = { 199 200 [PERF_TYPE_HARDWARE] = { 201 .user_set = false, 202 203 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 204 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 205 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 206 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 207 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 208 209 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 210 }, 211 212 [PERF_TYPE_SOFTWARE] = { 213 .user_set = false, 214 215 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 216 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 217 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 218 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 219 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 220 PERF_OUTPUT_BPF_OUTPUT, 221 222 .invalid_fields = PERF_OUTPUT_TRACE, 223 }, 224 225 [PERF_TYPE_TRACEPOINT] = { 226 .user_set = false, 227 228 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 229 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 230 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE 231 }, 232 233 [PERF_TYPE_HW_CACHE] = { 234 .user_set = false, 235 236 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 237 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 238 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 239 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 240 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 241 242 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 243 }, 244 245 [PERF_TYPE_RAW] = { 246 .user_set = false, 247 248 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 249 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 250 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 251 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 252 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 253 PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC | 254 PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR, 255 256 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 257 }, 258 259 [PERF_TYPE_BREAKPOINT] = { 260 .user_set = false, 261 262 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 263 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 264 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 265 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 266 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 267 268 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 269 }, 270 271 [OUTPUT_TYPE_SYNTH] = { 272 .user_set = false, 273 274 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 275 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 276 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 277 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 278 PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH, 279 280 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 281 }, 282 }; 283 284 struct evsel_script { 285 char *filename; 286 FILE *fp; 287 u64 samples; 288 /* For metric output */ 289 u64 val; 290 int gnum; 291 }; 292 293 static inline struct evsel_script *evsel_script(struct evsel *evsel) 294 { 295 return (struct evsel_script *)evsel->priv; 296 } 297 298 static struct evsel_script *perf_evsel_script__new(struct evsel *evsel, 299 struct perf_data *data) 300 { 301 struct evsel_script *es = zalloc(sizeof(*es)); 302 303 if (es != NULL) { 304 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0) 305 goto out_free; 306 es->fp = fopen(es->filename, "w"); 307 if (es->fp == NULL) 308 goto out_free_filename; 309 } 310 311 return es; 312 out_free_filename: 313 zfree(&es->filename); 314 out_free: 315 free(es); 316 return NULL; 317 } 318 319 static void perf_evsel_script__delete(struct evsel_script *es) 320 { 321 zfree(&es->filename); 322 fclose(es->fp); 323 es->fp = NULL; 324 free(es); 325 } 326 327 static int perf_evsel_script__fprintf(struct evsel_script *es, FILE *fp) 328 { 329 struct stat st; 330 331 fstat(fileno(es->fp), &st); 332 return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n", 333 st.st_size / 1024.0 / 1024.0, es->filename, es->samples); 334 } 335 336 static inline int output_type(unsigned int type) 337 { 338 switch (type) { 339 case PERF_TYPE_SYNTH: 340 return OUTPUT_TYPE_SYNTH; 341 default: 342 return type; 343 } 344 } 345 346 static inline unsigned int attr_type(unsigned int type) 347 { 348 switch (type) { 349 case OUTPUT_TYPE_SYNTH: 350 return PERF_TYPE_SYNTH; 351 default: 352 return type; 353 } 354 } 355 356 static bool output_set_by_user(void) 357 { 358 int j; 359 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 360 if (output[j].user_set) 361 return true; 362 } 363 return false; 364 } 365 366 static const char *output_field2str(enum perf_output_field field) 367 { 368 int i, imax = ARRAY_SIZE(all_output_options); 369 const char *str = ""; 370 371 for (i = 0; i < imax; ++i) { 372 if (all_output_options[i].field == field) { 373 str = all_output_options[i].str; 374 break; 375 } 376 } 377 return str; 378 } 379 380 #define PRINT_FIELD(x) (output[output_type(attr->type)].fields & PERF_OUTPUT_##x) 381 382 static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg, 383 enum perf_output_field field, bool allow_user_set) 384 { 385 struct perf_event_attr *attr = &evsel->core.attr; 386 int type = output_type(attr->type); 387 const char *evname; 388 389 if (attr->sample_type & sample_type) 390 return 0; 391 392 if (output[type].user_set_fields & field) { 393 if (allow_user_set) 394 return 0; 395 evname = evsel__name(evsel); 396 pr_err("Samples for '%s' event do not have %s attribute set. " 397 "Cannot print '%s' field.\n", 398 evname, sample_msg, output_field2str(field)); 399 return -1; 400 } 401 402 /* user did not ask for it explicitly so remove from the default list */ 403 output[type].fields &= ~field; 404 evname = evsel__name(evsel); 405 pr_debug("Samples for '%s' event do not have %s attribute set. " 406 "Skipping '%s' field.\n", 407 evname, sample_msg, output_field2str(field)); 408 409 return 0; 410 } 411 412 static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg, 413 enum perf_output_field field) 414 { 415 return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false); 416 } 417 418 static int evsel__check_attr(struct evsel *evsel, struct perf_session *session) 419 { 420 struct perf_event_attr *attr = &evsel->core.attr; 421 bool allow_user_set; 422 423 if (perf_header__has_feat(&session->header, HEADER_STAT)) 424 return 0; 425 426 allow_user_set = perf_header__has_feat(&session->header, 427 HEADER_AUXTRACE); 428 429 if (PRINT_FIELD(TRACE) && 430 !perf_session__has_traces(session, "record -R")) 431 return -EINVAL; 432 433 if (PRINT_FIELD(IP)) { 434 if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP)) 435 return -EINVAL; 436 } 437 438 if (PRINT_FIELD(ADDR) && 439 evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set)) 440 return -EINVAL; 441 442 if (PRINT_FIELD(DATA_SRC) && 443 evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC)) 444 return -EINVAL; 445 446 if (PRINT_FIELD(WEIGHT) && 447 evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT", PERF_OUTPUT_WEIGHT)) 448 return -EINVAL; 449 450 if (PRINT_FIELD(SYM) && 451 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 452 pr_err("Display of symbols requested but neither sample IP nor " 453 "sample address\navailable. Hence, no addresses to convert " 454 "to symbols.\n"); 455 return -EINVAL; 456 } 457 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) { 458 pr_err("Display of offsets requested but symbol is not" 459 "selected.\n"); 460 return -EINVAL; 461 } 462 if (PRINT_FIELD(DSO) && 463 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 464 pr_err("Display of DSO requested but no address to convert.\n"); 465 return -EINVAL; 466 } 467 if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) { 468 pr_err("Display of source line number requested but sample IP is not\n" 469 "selected. Hence, no address to lookup the source line number.\n"); 470 return -EINVAL; 471 } 472 if (PRINT_FIELD(BRSTACKINSN) && !allow_user_set && 473 !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) { 474 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n" 475 "Hint: run 'perf record -b ...'\n"); 476 return -EINVAL; 477 } 478 if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) && 479 evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID)) 480 return -EINVAL; 481 482 if (PRINT_FIELD(TIME) && 483 evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME)) 484 return -EINVAL; 485 486 if (PRINT_FIELD(CPU) && 487 evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set)) 488 return -EINVAL; 489 490 if (PRINT_FIELD(IREGS) && 491 evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set)) 492 return -EINVAL; 493 494 if (PRINT_FIELD(UREGS) && 495 evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS)) 496 return -EINVAL; 497 498 if (PRINT_FIELD(PHYS_ADDR) && 499 evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR)) 500 return -EINVAL; 501 502 return 0; 503 } 504 505 static void set_print_ip_opts(struct perf_event_attr *attr) 506 { 507 unsigned int type = output_type(attr->type); 508 509 output[type].print_ip_opts = 0; 510 if (PRINT_FIELD(IP)) 511 output[type].print_ip_opts |= EVSEL__PRINT_IP; 512 513 if (PRINT_FIELD(SYM)) 514 output[type].print_ip_opts |= EVSEL__PRINT_SYM; 515 516 if (PRINT_FIELD(DSO)) 517 output[type].print_ip_opts |= EVSEL__PRINT_DSO; 518 519 if (PRINT_FIELD(SYMOFFSET)) 520 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET; 521 522 if (PRINT_FIELD(SRCLINE)) 523 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE; 524 } 525 526 /* 527 * verify all user requested events exist and the samples 528 * have the expected data 529 */ 530 static int perf_session__check_output_opt(struct perf_session *session) 531 { 532 bool tod = false; 533 unsigned int j; 534 struct evsel *evsel; 535 536 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 537 evsel = perf_session__find_first_evtype(session, attr_type(j)); 538 539 /* 540 * even if fields is set to 0 (ie., show nothing) event must 541 * exist if user explicitly includes it on the command line 542 */ 543 if (!evsel && output[j].user_set && !output[j].wildcard_set && 544 j != OUTPUT_TYPE_SYNTH) { 545 pr_err("%s events do not exist. " 546 "Remove corresponding -F option to proceed.\n", 547 event_type(j)); 548 return -1; 549 } 550 551 if (evsel && output[j].fields && 552 evsel__check_attr(evsel, session)) 553 return -1; 554 555 if (evsel == NULL) 556 continue; 557 558 set_print_ip_opts(&evsel->core.attr); 559 tod |= output[j].fields & PERF_OUTPUT_TOD; 560 } 561 562 if (!no_callchain) { 563 bool use_callchain = false; 564 bool not_pipe = false; 565 566 evlist__for_each_entry(session->evlist, evsel) { 567 not_pipe = true; 568 if (evsel__has_callchain(evsel)) { 569 use_callchain = true; 570 break; 571 } 572 } 573 if (not_pipe && !use_callchain) 574 symbol_conf.use_callchain = false; 575 } 576 577 /* 578 * set default for tracepoints to print symbols only 579 * if callchains are present 580 */ 581 if (symbol_conf.use_callchain && 582 !output[PERF_TYPE_TRACEPOINT].user_set) { 583 j = PERF_TYPE_TRACEPOINT; 584 585 evlist__for_each_entry(session->evlist, evsel) { 586 if (evsel->core.attr.type != j) 587 continue; 588 589 if (evsel__has_callchain(evsel)) { 590 output[j].fields |= PERF_OUTPUT_IP; 591 output[j].fields |= PERF_OUTPUT_SYM; 592 output[j].fields |= PERF_OUTPUT_SYMOFFSET; 593 output[j].fields |= PERF_OUTPUT_DSO; 594 set_print_ip_opts(&evsel->core.attr); 595 goto out; 596 } 597 } 598 } 599 600 if (tod && !session->header.env.clock.enabled) { 601 pr_err("Can't provide 'tod' time, missing clock data. " 602 "Please record with -k/--clockid option.\n"); 603 return -1; 604 } 605 out: 606 return 0; 607 } 608 609 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask, 610 FILE *fp) 611 { 612 unsigned i = 0, r; 613 int printed = 0; 614 615 if (!regs || !regs->regs) 616 return 0; 617 618 printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi); 619 620 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) { 621 u64 val = regs->regs[i++]; 622 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val); 623 } 624 625 return printed; 626 } 627 628 #define DEFAULT_TOD_FMT "%F %H:%M:%S" 629 630 static char* 631 tod_scnprintf(struct perf_script *script, char *buf, int buflen, 632 u64 timestamp) 633 { 634 u64 tod_ns, clockid_ns; 635 struct perf_env *env; 636 unsigned long nsec; 637 struct tm ltime; 638 char date[64]; 639 time_t sec; 640 641 buf[0] = '\0'; 642 if (buflen < 64 || !script) 643 return buf; 644 645 env = &script->session->header.env; 646 if (!env->clock.enabled) { 647 scnprintf(buf, buflen, "disabled"); 648 return buf; 649 } 650 651 clockid_ns = env->clock.clockid_ns; 652 tod_ns = env->clock.tod_ns; 653 654 if (timestamp > clockid_ns) 655 tod_ns += timestamp - clockid_ns; 656 else 657 tod_ns -= clockid_ns - timestamp; 658 659 sec = (time_t) (tod_ns / NSEC_PER_SEC); 660 nsec = tod_ns - sec * NSEC_PER_SEC; 661 662 if (localtime_r(&sec, <ime) == NULL) { 663 scnprintf(buf, buflen, "failed"); 664 } else { 665 strftime(date, sizeof(date), DEFAULT_TOD_FMT, <ime); 666 667 if (symbol_conf.nanosecs) { 668 snprintf(buf, buflen, "%s.%09lu", date, nsec); 669 } else { 670 snprintf(buf, buflen, "%s.%06lu", 671 date, nsec / NSEC_PER_USEC); 672 } 673 } 674 675 return buf; 676 } 677 678 static int perf_sample__fprintf_iregs(struct perf_sample *sample, 679 struct perf_event_attr *attr, FILE *fp) 680 { 681 return perf_sample__fprintf_regs(&sample->intr_regs, 682 attr->sample_regs_intr, fp); 683 } 684 685 static int perf_sample__fprintf_uregs(struct perf_sample *sample, 686 struct perf_event_attr *attr, FILE *fp) 687 { 688 return perf_sample__fprintf_regs(&sample->user_regs, 689 attr->sample_regs_user, fp); 690 } 691 692 static int perf_sample__fprintf_start(struct perf_script *script, 693 struct perf_sample *sample, 694 struct thread *thread, 695 struct evsel *evsel, 696 u32 type, FILE *fp) 697 { 698 struct perf_event_attr *attr = &evsel->core.attr; 699 unsigned long secs; 700 unsigned long long nsecs; 701 int printed = 0; 702 char tstr[128]; 703 704 if (PRINT_FIELD(COMM)) { 705 if (latency_format) 706 printed += fprintf(fp, "%8.8s ", thread__comm_str(thread)); 707 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain) 708 printed += fprintf(fp, "%s ", thread__comm_str(thread)); 709 else 710 printed += fprintf(fp, "%16s ", thread__comm_str(thread)); 711 } 712 713 if (PRINT_FIELD(PID) && PRINT_FIELD(TID)) 714 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid); 715 else if (PRINT_FIELD(PID)) 716 printed += fprintf(fp, "%5d ", sample->pid); 717 else if (PRINT_FIELD(TID)) 718 printed += fprintf(fp, "%5d ", sample->tid); 719 720 if (PRINT_FIELD(CPU)) { 721 if (latency_format) 722 printed += fprintf(fp, "%3d ", sample->cpu); 723 else 724 printed += fprintf(fp, "[%03d] ", sample->cpu); 725 } 726 727 if (PRINT_FIELD(MISC)) { 728 int ret = 0; 729 730 #define has(m) \ 731 (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m 732 733 if (has(KERNEL)) 734 ret += fprintf(fp, "K"); 735 if (has(USER)) 736 ret += fprintf(fp, "U"); 737 if (has(HYPERVISOR)) 738 ret += fprintf(fp, "H"); 739 if (has(GUEST_KERNEL)) 740 ret += fprintf(fp, "G"); 741 if (has(GUEST_USER)) 742 ret += fprintf(fp, "g"); 743 744 switch (type) { 745 case PERF_RECORD_MMAP: 746 case PERF_RECORD_MMAP2: 747 if (has(MMAP_DATA)) 748 ret += fprintf(fp, "M"); 749 break; 750 case PERF_RECORD_COMM: 751 if (has(COMM_EXEC)) 752 ret += fprintf(fp, "E"); 753 break; 754 case PERF_RECORD_SWITCH: 755 case PERF_RECORD_SWITCH_CPU_WIDE: 756 if (has(SWITCH_OUT)) { 757 ret += fprintf(fp, "S"); 758 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT) 759 ret += fprintf(fp, "p"); 760 } 761 default: 762 break; 763 } 764 765 #undef has 766 767 ret += fprintf(fp, "%*s", 6 - ret, " "); 768 printed += ret; 769 } 770 771 if (PRINT_FIELD(TOD)) { 772 tod_scnprintf(script, tstr, sizeof(tstr), sample->time); 773 printed += fprintf(fp, "%s ", tstr); 774 } 775 776 if (PRINT_FIELD(TIME)) { 777 u64 t = sample->time; 778 if (reltime) { 779 if (!initial_time) 780 initial_time = sample->time; 781 t = sample->time - initial_time; 782 } else if (deltatime) { 783 if (previous_time) 784 t = sample->time - previous_time; 785 else { 786 t = 0; 787 } 788 previous_time = sample->time; 789 } 790 nsecs = t; 791 secs = nsecs / NSEC_PER_SEC; 792 nsecs -= secs * NSEC_PER_SEC; 793 794 if (symbol_conf.nanosecs) 795 printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs); 796 else { 797 char sample_time[32]; 798 timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time)); 799 printed += fprintf(fp, "%12s: ", sample_time); 800 } 801 } 802 803 return printed; 804 } 805 806 static inline char 807 mispred_str(struct branch_entry *br) 808 { 809 if (!(br->flags.mispred || br->flags.predicted)) 810 return '-'; 811 812 return br->flags.predicted ? 'P' : 'M'; 813 } 814 815 static int perf_sample__fprintf_brstack(struct perf_sample *sample, 816 struct thread *thread, 817 struct perf_event_attr *attr, FILE *fp) 818 { 819 struct branch_stack *br = sample->branch_stack; 820 struct branch_entry *entries = perf_sample__branch_entries(sample); 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 from = entries[i].from; 830 to = entries[i].to; 831 832 if (PRINT_FIELD(DSO)) { 833 memset(&alf, 0, sizeof(alf)); 834 memset(&alt, 0, sizeof(alt)); 835 thread__find_map_fb(thread, sample->cpumode, from, &alf); 836 thread__find_map_fb(thread, sample->cpumode, to, &alt); 837 } 838 839 printed += fprintf(fp, " 0x%"PRIx64, from); 840 if (PRINT_FIELD(DSO)) { 841 printed += fprintf(fp, "("); 842 printed += map__fprintf_dsoname(alf.map, fp); 843 printed += fprintf(fp, ")"); 844 } 845 846 printed += fprintf(fp, "/0x%"PRIx64, to); 847 if (PRINT_FIELD(DSO)) { 848 printed += fprintf(fp, "("); 849 printed += map__fprintf_dsoname(alt.map, fp); 850 printed += fprintf(fp, ")"); 851 } 852 853 printed += fprintf(fp, "/%c/%c/%c/%d ", 854 mispred_str(entries + i), 855 entries[i].flags.in_tx ? 'X' : '-', 856 entries[i].flags.abort ? 'A' : '-', 857 entries[i].flags.cycles); 858 } 859 860 return printed; 861 } 862 863 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample, 864 struct thread *thread, 865 struct perf_event_attr *attr, FILE *fp) 866 { 867 struct branch_stack *br = sample->branch_stack; 868 struct branch_entry *entries = perf_sample__branch_entries(sample); 869 struct addr_location alf, alt; 870 u64 i, from, to; 871 int printed = 0; 872 873 if (!(br && br->nr)) 874 return 0; 875 876 for (i = 0; i < br->nr; i++) { 877 878 memset(&alf, 0, sizeof(alf)); 879 memset(&alt, 0, sizeof(alt)); 880 from = entries[i].from; 881 to = entries[i].to; 882 883 thread__find_symbol_fb(thread, sample->cpumode, from, &alf); 884 thread__find_symbol_fb(thread, sample->cpumode, to, &alt); 885 886 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp); 887 if (PRINT_FIELD(DSO)) { 888 printed += fprintf(fp, "("); 889 printed += map__fprintf_dsoname(alf.map, fp); 890 printed += fprintf(fp, ")"); 891 } 892 printed += fprintf(fp, "%c", '/'); 893 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp); 894 if (PRINT_FIELD(DSO)) { 895 printed += fprintf(fp, "("); 896 printed += map__fprintf_dsoname(alt.map, fp); 897 printed += fprintf(fp, ")"); 898 } 899 printed += fprintf(fp, "/%c/%c/%c/%d ", 900 mispred_str(entries + i), 901 entries[i].flags.in_tx ? 'X' : '-', 902 entries[i].flags.abort ? 'A' : '-', 903 entries[i].flags.cycles); 904 } 905 906 return printed; 907 } 908 909 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample, 910 struct thread *thread, 911 struct perf_event_attr *attr, FILE *fp) 912 { 913 struct branch_stack *br = sample->branch_stack; 914 struct branch_entry *entries = perf_sample__branch_entries(sample); 915 struct addr_location alf, alt; 916 u64 i, from, to; 917 int printed = 0; 918 919 if (!(br && br->nr)) 920 return 0; 921 922 for (i = 0; i < br->nr; i++) { 923 924 memset(&alf, 0, sizeof(alf)); 925 memset(&alt, 0, sizeof(alt)); 926 from = entries[i].from; 927 to = entries[i].to; 928 929 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) && 930 !alf.map->dso->adjust_symbols) 931 from = map__map_ip(alf.map, from); 932 933 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) && 934 !alt.map->dso->adjust_symbols) 935 to = map__map_ip(alt.map, to); 936 937 printed += fprintf(fp, " 0x%"PRIx64, from); 938 if (PRINT_FIELD(DSO)) { 939 printed += fprintf(fp, "("); 940 printed += map__fprintf_dsoname(alf.map, fp); 941 printed += fprintf(fp, ")"); 942 } 943 printed += fprintf(fp, "/0x%"PRIx64, to); 944 if (PRINT_FIELD(DSO)) { 945 printed += fprintf(fp, "("); 946 printed += map__fprintf_dsoname(alt.map, fp); 947 printed += fprintf(fp, ")"); 948 } 949 printed += fprintf(fp, "/%c/%c/%c/%d ", 950 mispred_str(entries + i), 951 entries[i].flags.in_tx ? 'X' : '-', 952 entries[i].flags.abort ? 'A' : '-', 953 entries[i].flags.cycles); 954 } 955 956 return printed; 957 } 958 #define MAXBB 16384UL 959 960 static int grab_bb(u8 *buffer, u64 start, u64 end, 961 struct machine *machine, struct thread *thread, 962 bool *is64bit, u8 *cpumode, bool last) 963 { 964 long offset, len; 965 struct addr_location al; 966 bool kernel; 967 968 if (!start || !end) 969 return 0; 970 971 kernel = machine__kernel_ip(machine, start); 972 if (kernel) 973 *cpumode = PERF_RECORD_MISC_KERNEL; 974 else 975 *cpumode = PERF_RECORD_MISC_USER; 976 977 /* 978 * Block overlaps between kernel and user. 979 * This can happen due to ring filtering 980 * On Intel CPUs the entry into the kernel is filtered, 981 * but the exit is not. Let the caller patch it up. 982 */ 983 if (kernel != machine__kernel_ip(machine, end)) { 984 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end); 985 return -ENXIO; 986 } 987 988 memset(&al, 0, sizeof(al)); 989 if (end - start > MAXBB - MAXINSN) { 990 if (last) 991 pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end); 992 else 993 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start); 994 return 0; 995 } 996 997 if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) { 998 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 999 return 0; 1000 } 1001 if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) { 1002 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 1003 return 0; 1004 } 1005 1006 /* Load maps to ensure dso->is_64_bit has been updated */ 1007 map__load(al.map); 1008 1009 offset = al.map->map_ip(al.map, start); 1010 len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer, 1011 end - start + MAXINSN); 1012 1013 *is64bit = al.map->dso->is_64_bit; 1014 if (len <= 0) 1015 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n", 1016 start, end); 1017 return len; 1018 } 1019 1020 static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state) 1021 { 1022 char *srcfile; 1023 int ret = 0; 1024 unsigned line; 1025 int len; 1026 char *srccode; 1027 1028 if (!map || !map->dso) 1029 return 0; 1030 srcfile = get_srcline_split(map->dso, 1031 map__rip_2objdump(map, addr), 1032 &line); 1033 if (!srcfile) 1034 return 0; 1035 1036 /* Avoid redundant printing */ 1037 if (state && 1038 state->srcfile && 1039 !strcmp(state->srcfile, srcfile) && 1040 state->line == line) { 1041 free(srcfile); 1042 return 0; 1043 } 1044 1045 srccode = find_sourceline(srcfile, line, &len); 1046 if (!srccode) 1047 goto out_free_line; 1048 1049 ret = fprintf(fp, "|%-8d %.*s", line, len, srccode); 1050 1051 if (state) { 1052 state->srcfile = srcfile; 1053 state->line = line; 1054 } 1055 return ret; 1056 1057 out_free_line: 1058 free(srcfile); 1059 return ret; 1060 } 1061 1062 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr) 1063 { 1064 struct addr_location al; 1065 int ret = 0; 1066 1067 memset(&al, 0, sizeof(al)); 1068 thread__find_map(thread, cpumode, addr, &al); 1069 if (!al.map) 1070 return 0; 1071 ret = map__fprintf_srccode(al.map, al.addr, stdout, 1072 &thread->srccode_state); 1073 if (ret) 1074 ret += printf("\n"); 1075 return ret; 1076 } 1077 1078 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en, 1079 struct perf_insn *x, u8 *inbuf, int len, 1080 int insn, FILE *fp, int *total_cycles) 1081 { 1082 int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip, 1083 dump_insn(x, ip, inbuf, len, NULL), 1084 en->flags.predicted ? " PRED" : "", 1085 en->flags.mispred ? " MISPRED" : "", 1086 en->flags.in_tx ? " INTX" : "", 1087 en->flags.abort ? " ABORT" : ""); 1088 if (en->flags.cycles) { 1089 *total_cycles += en->flags.cycles; 1090 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles); 1091 if (insn) 1092 printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles); 1093 } 1094 return printed + fprintf(fp, "\n"); 1095 } 1096 1097 static int ip__fprintf_sym(uint64_t addr, struct thread *thread, 1098 u8 cpumode, int cpu, struct symbol **lastsym, 1099 struct perf_event_attr *attr, FILE *fp) 1100 { 1101 struct addr_location al; 1102 int off, printed = 0; 1103 1104 memset(&al, 0, sizeof(al)); 1105 1106 thread__find_map(thread, cpumode, addr, &al); 1107 1108 if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end) 1109 return 0; 1110 1111 al.cpu = cpu; 1112 al.sym = NULL; 1113 if (al.map) 1114 al.sym = map__find_symbol(al.map, al.addr); 1115 1116 if (!al.sym) 1117 return 0; 1118 1119 if (al.addr < al.sym->end) 1120 off = al.addr - al.sym->start; 1121 else 1122 off = al.addr - al.map->start - al.sym->start; 1123 printed += fprintf(fp, "\t%s", al.sym->name); 1124 if (off) 1125 printed += fprintf(fp, "%+d", off); 1126 printed += fprintf(fp, ":"); 1127 if (PRINT_FIELD(SRCLINE)) 1128 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp); 1129 printed += fprintf(fp, "\n"); 1130 *lastsym = al.sym; 1131 1132 return printed; 1133 } 1134 1135 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample, 1136 struct thread *thread, 1137 struct perf_event_attr *attr, 1138 struct machine *machine, FILE *fp) 1139 { 1140 struct branch_stack *br = sample->branch_stack; 1141 struct branch_entry *entries = perf_sample__branch_entries(sample); 1142 u64 start, end; 1143 int i, insn, len, nr, ilen, printed = 0; 1144 struct perf_insn x; 1145 u8 buffer[MAXBB]; 1146 unsigned off; 1147 struct symbol *lastsym = NULL; 1148 int total_cycles = 0; 1149 1150 if (!(br && br->nr)) 1151 return 0; 1152 nr = br->nr; 1153 if (max_blocks && nr > max_blocks + 1) 1154 nr = max_blocks + 1; 1155 1156 x.thread = thread; 1157 x.cpu = sample->cpu; 1158 1159 printed += fprintf(fp, "%c", '\n'); 1160 1161 /* Handle first from jump, of which we don't know the entry. */ 1162 len = grab_bb(buffer, entries[nr-1].from, 1163 entries[nr-1].from, 1164 machine, thread, &x.is64bit, &x.cpumode, false); 1165 if (len > 0) { 1166 printed += ip__fprintf_sym(entries[nr - 1].from, thread, 1167 x.cpumode, x.cpu, &lastsym, attr, fp); 1168 printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1], 1169 &x, buffer, len, 0, fp, &total_cycles); 1170 if (PRINT_FIELD(SRCCODE)) 1171 printed += print_srccode(thread, x.cpumode, entries[nr - 1].from); 1172 } 1173 1174 /* Print all blocks */ 1175 for (i = nr - 2; i >= 0; i--) { 1176 if (entries[i].from || entries[i].to) 1177 pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i, 1178 entries[i].from, 1179 entries[i].to); 1180 start = entries[i + 1].to; 1181 end = entries[i].from; 1182 1183 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1184 /* Patch up missing kernel transfers due to ring filters */ 1185 if (len == -ENXIO && i > 0) { 1186 end = entries[--i].from; 1187 pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end); 1188 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1189 } 1190 if (len <= 0) 1191 continue; 1192 1193 insn = 0; 1194 for (off = 0; off < (unsigned)len; off += ilen) { 1195 uint64_t ip = start + off; 1196 1197 printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1198 if (ip == end) { 1199 printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp, 1200 &total_cycles); 1201 if (PRINT_FIELD(SRCCODE)) 1202 printed += print_srccode(thread, x.cpumode, ip); 1203 break; 1204 } else { 1205 ilen = 0; 1206 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip, 1207 dump_insn(&x, ip, buffer + off, len - off, &ilen)); 1208 if (ilen == 0) 1209 break; 1210 if (PRINT_FIELD(SRCCODE)) 1211 print_srccode(thread, x.cpumode, ip); 1212 insn++; 1213 } 1214 } 1215 if (off != end - start) 1216 printed += fprintf(fp, "\tmismatch of LBR data and executable\n"); 1217 } 1218 1219 /* 1220 * Hit the branch? In this case we are already done, and the target 1221 * has not been executed yet. 1222 */ 1223 if (entries[0].from == sample->ip) 1224 goto out; 1225 if (entries[0].flags.abort) 1226 goto out; 1227 1228 /* 1229 * Print final block upto sample 1230 * 1231 * Due to pipeline delays the LBRs might be missing a branch 1232 * or two, which can result in very large or negative blocks 1233 * between final branch and sample. When this happens just 1234 * continue walking after the last TO until we hit a branch. 1235 */ 1236 start = entries[0].to; 1237 end = sample->ip; 1238 if (end < start) { 1239 /* Missing jump. Scan 128 bytes for the next branch */ 1240 end = start + 128; 1241 } 1242 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true); 1243 printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1244 if (len <= 0) { 1245 /* Print at least last IP if basic block did not work */ 1246 len = grab_bb(buffer, sample->ip, sample->ip, 1247 machine, thread, &x.is64bit, &x.cpumode, false); 1248 if (len <= 0) 1249 goto out; 1250 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip, 1251 dump_insn(&x, sample->ip, buffer, len, NULL)); 1252 if (PRINT_FIELD(SRCCODE)) 1253 print_srccode(thread, x.cpumode, sample->ip); 1254 goto out; 1255 } 1256 for (off = 0; off <= end - start; off += ilen) { 1257 ilen = 0; 1258 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off, 1259 dump_insn(&x, start + off, buffer + off, len - off, &ilen)); 1260 if (ilen == 0) 1261 break; 1262 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) { 1263 /* 1264 * Hit a missing branch. Just stop. 1265 */ 1266 printed += fprintf(fp, "\t... not reaching sample ...\n"); 1267 break; 1268 } 1269 if (PRINT_FIELD(SRCCODE)) 1270 print_srccode(thread, x.cpumode, start + off); 1271 } 1272 out: 1273 return printed; 1274 } 1275 1276 static int perf_sample__fprintf_addr(struct perf_sample *sample, 1277 struct thread *thread, 1278 struct perf_event_attr *attr, FILE *fp) 1279 { 1280 struct addr_location al; 1281 int printed = fprintf(fp, "%16" PRIx64, sample->addr); 1282 1283 if (!sample_addr_correlates_sym(attr)) 1284 goto out; 1285 1286 thread__resolve(thread, &al, sample); 1287 1288 if (PRINT_FIELD(SYM)) { 1289 printed += fprintf(fp, " "); 1290 if (PRINT_FIELD(SYMOFFSET)) 1291 printed += symbol__fprintf_symname_offs(al.sym, &al, fp); 1292 else 1293 printed += symbol__fprintf_symname(al.sym, fp); 1294 } 1295 1296 if (PRINT_FIELD(DSO)) { 1297 printed += fprintf(fp, " ("); 1298 printed += map__fprintf_dsoname(al.map, fp); 1299 printed += fprintf(fp, ")"); 1300 } 1301 out: 1302 return printed; 1303 } 1304 1305 static const char *resolve_branch_sym(struct perf_sample *sample, 1306 struct evsel *evsel, 1307 struct thread *thread, 1308 struct addr_location *al, 1309 u64 *ip) 1310 { 1311 struct addr_location addr_al; 1312 struct perf_event_attr *attr = &evsel->core.attr; 1313 const char *name = NULL; 1314 1315 if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) { 1316 if (sample_addr_correlates_sym(attr)) { 1317 thread__resolve(thread, &addr_al, sample); 1318 if (addr_al.sym) 1319 name = addr_al.sym->name; 1320 else 1321 *ip = sample->addr; 1322 } else { 1323 *ip = sample->addr; 1324 } 1325 } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) { 1326 if (al->sym) 1327 name = al->sym->name; 1328 else 1329 *ip = sample->ip; 1330 } 1331 return name; 1332 } 1333 1334 static int perf_sample__fprintf_callindent(struct perf_sample *sample, 1335 struct evsel *evsel, 1336 struct thread *thread, 1337 struct addr_location *al, FILE *fp) 1338 { 1339 struct perf_event_attr *attr = &evsel->core.attr; 1340 size_t depth = thread_stack__depth(thread, sample->cpu); 1341 const char *name = NULL; 1342 static int spacing; 1343 int len = 0; 1344 int dlen = 0; 1345 u64 ip = 0; 1346 1347 /* 1348 * The 'return' has already been popped off the stack so the depth has 1349 * to be adjusted to match the 'call'. 1350 */ 1351 if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN) 1352 depth += 1; 1353 1354 name = resolve_branch_sym(sample, evsel, thread, al, &ip); 1355 1356 if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) { 1357 dlen += fprintf(fp, "("); 1358 dlen += map__fprintf_dsoname(al->map, fp); 1359 dlen += fprintf(fp, ")\t"); 1360 } 1361 1362 if (name) 1363 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name); 1364 else if (ip) 1365 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip); 1366 1367 if (len < 0) 1368 return len; 1369 1370 /* 1371 * Try to keep the output length from changing frequently so that the 1372 * output lines up more nicely. 1373 */ 1374 if (len > spacing || (len && len < spacing - 52)) 1375 spacing = round_up(len + 4, 32); 1376 1377 if (len < spacing) 1378 len += fprintf(fp, "%*s", spacing - len, ""); 1379 1380 return len + dlen; 1381 } 1382 1383 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused, 1384 struct thread *thread __maybe_unused, 1385 struct machine *machine __maybe_unused) 1386 { 1387 } 1388 1389 static int perf_sample__fprintf_insn(struct perf_sample *sample, 1390 struct perf_event_attr *attr, 1391 struct thread *thread, 1392 struct machine *machine, FILE *fp) 1393 { 1394 int printed = 0; 1395 1396 if (sample->insn_len == 0 && native_arch) 1397 arch_fetch_insn(sample, thread, machine); 1398 1399 if (PRINT_FIELD(INSNLEN)) 1400 printed += fprintf(fp, " ilen: %d", sample->insn_len); 1401 if (PRINT_FIELD(INSN) && sample->insn_len) { 1402 int i; 1403 1404 printed += fprintf(fp, " insn:"); 1405 for (i = 0; i < sample->insn_len; i++) 1406 printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]); 1407 } 1408 if (PRINT_FIELD(BRSTACKINSN)) 1409 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp); 1410 1411 return printed; 1412 } 1413 1414 static int perf_sample__fprintf_ipc(struct perf_sample *sample, 1415 struct perf_event_attr *attr, FILE *fp) 1416 { 1417 unsigned int ipc; 1418 1419 if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt) 1420 return 0; 1421 1422 ipc = (sample->insn_cnt * 100) / sample->cyc_cnt; 1423 1424 return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ", 1425 ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt); 1426 } 1427 1428 static int perf_sample__fprintf_bts(struct perf_sample *sample, 1429 struct evsel *evsel, 1430 struct thread *thread, 1431 struct addr_location *al, 1432 struct machine *machine, FILE *fp) 1433 { 1434 struct perf_event_attr *attr = &evsel->core.attr; 1435 unsigned int type = output_type(attr->type); 1436 bool print_srcline_last = false; 1437 int printed = 0; 1438 1439 if (PRINT_FIELD(CALLINDENT)) 1440 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp); 1441 1442 /* print branch_from information */ 1443 if (PRINT_FIELD(IP)) { 1444 unsigned int print_opts = output[type].print_ip_opts; 1445 struct callchain_cursor *cursor = NULL; 1446 1447 if (symbol_conf.use_callchain && sample->callchain && 1448 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 1449 sample, NULL, NULL, scripting_max_stack) == 0) 1450 cursor = &callchain_cursor; 1451 1452 if (cursor == NULL) { 1453 printed += fprintf(fp, " "); 1454 if (print_opts & EVSEL__PRINT_SRCLINE) { 1455 print_srcline_last = true; 1456 print_opts &= ~EVSEL__PRINT_SRCLINE; 1457 } 1458 } else 1459 printed += fprintf(fp, "\n"); 1460 1461 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, 1462 symbol_conf.bt_stop_list, fp); 1463 } 1464 1465 /* print branch_to information */ 1466 if (PRINT_FIELD(ADDR) || 1467 ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 1468 !output[type].user_set)) { 1469 printed += fprintf(fp, " => "); 1470 printed += perf_sample__fprintf_addr(sample, thread, attr, fp); 1471 } 1472 1473 printed += perf_sample__fprintf_ipc(sample, attr, fp); 1474 1475 if (print_srcline_last) 1476 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp); 1477 1478 printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 1479 printed += fprintf(fp, "\n"); 1480 if (PRINT_FIELD(SRCCODE)) { 1481 int ret = map__fprintf_srccode(al->map, al->addr, stdout, 1482 &thread->srccode_state); 1483 if (ret) { 1484 printed += ret; 1485 printed += printf("\n"); 1486 } 1487 } 1488 return printed; 1489 } 1490 1491 static struct { 1492 u32 flags; 1493 const char *name; 1494 } sample_flags[] = { 1495 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"}, 1496 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"}, 1497 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"}, 1498 {PERF_IP_FLAG_BRANCH, "jmp"}, 1499 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"}, 1500 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"}, 1501 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"}, 1502 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"}, 1503 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"}, 1504 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"}, 1505 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"}, 1506 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"}, 1507 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"}, 1508 {0, NULL} 1509 }; 1510 1511 static const char *sample_flags_to_name(u32 flags) 1512 { 1513 int i; 1514 1515 for (i = 0; sample_flags[i].name ; i++) { 1516 if (sample_flags[i].flags == flags) 1517 return sample_flags[i].name; 1518 } 1519 1520 return NULL; 1521 } 1522 1523 static int perf_sample__fprintf_flags(u32 flags, FILE *fp) 1524 { 1525 const char *chars = PERF_IP_FLAG_CHARS; 1526 const int n = strlen(PERF_IP_FLAG_CHARS); 1527 bool in_tx = flags & PERF_IP_FLAG_IN_TX; 1528 const char *name = NULL; 1529 char str[33]; 1530 int i, pos = 0; 1531 1532 name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX); 1533 if (name) 1534 return fprintf(fp, " %-15s%4s ", name, in_tx ? "(x)" : ""); 1535 1536 if (flags & PERF_IP_FLAG_TRACE_BEGIN) { 1537 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN)); 1538 if (name) 1539 return fprintf(fp, " tr strt %-7s%4s ", name, in_tx ? "(x)" : ""); 1540 } 1541 1542 if (flags & PERF_IP_FLAG_TRACE_END) { 1543 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END)); 1544 if (name) 1545 return fprintf(fp, " tr end %-7s%4s ", name, in_tx ? "(x)" : ""); 1546 } 1547 1548 for (i = 0; i < n; i++, flags >>= 1) { 1549 if (flags & 1) 1550 str[pos++] = chars[i]; 1551 } 1552 for (; i < 32; i++, flags >>= 1) { 1553 if (flags & 1) 1554 str[pos++] = '?'; 1555 } 1556 str[pos] = 0; 1557 1558 return fprintf(fp, " %-19s ", str); 1559 } 1560 1561 struct printer_data { 1562 int line_no; 1563 bool hit_nul; 1564 bool is_printable; 1565 }; 1566 1567 static int sample__fprintf_bpf_output(enum binary_printer_ops op, 1568 unsigned int val, 1569 void *extra, FILE *fp) 1570 { 1571 unsigned char ch = (unsigned char)val; 1572 struct printer_data *printer_data = extra; 1573 int printed = 0; 1574 1575 switch (op) { 1576 case BINARY_PRINT_DATA_BEGIN: 1577 printed += fprintf(fp, "\n"); 1578 break; 1579 case BINARY_PRINT_LINE_BEGIN: 1580 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" : 1581 " "); 1582 break; 1583 case BINARY_PRINT_ADDR: 1584 printed += fprintf(fp, " %04x:", val); 1585 break; 1586 case BINARY_PRINT_NUM_DATA: 1587 printed += fprintf(fp, " %02x", val); 1588 break; 1589 case BINARY_PRINT_NUM_PAD: 1590 printed += fprintf(fp, " "); 1591 break; 1592 case BINARY_PRINT_SEP: 1593 printed += fprintf(fp, " "); 1594 break; 1595 case BINARY_PRINT_CHAR_DATA: 1596 if (printer_data->hit_nul && ch) 1597 printer_data->is_printable = false; 1598 1599 if (!isprint(ch)) { 1600 printed += fprintf(fp, "%c", '.'); 1601 1602 if (!printer_data->is_printable) 1603 break; 1604 1605 if (ch == '\0') 1606 printer_data->hit_nul = true; 1607 else 1608 printer_data->is_printable = false; 1609 } else { 1610 printed += fprintf(fp, "%c", ch); 1611 } 1612 break; 1613 case BINARY_PRINT_CHAR_PAD: 1614 printed += fprintf(fp, " "); 1615 break; 1616 case BINARY_PRINT_LINE_END: 1617 printed += fprintf(fp, "\n"); 1618 printer_data->line_no++; 1619 break; 1620 case BINARY_PRINT_DATA_END: 1621 default: 1622 break; 1623 } 1624 1625 return printed; 1626 } 1627 1628 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp) 1629 { 1630 unsigned int nr_bytes = sample->raw_size; 1631 struct printer_data printer_data = {0, false, true}; 1632 int printed = binary__fprintf(sample->raw_data, nr_bytes, 8, 1633 sample__fprintf_bpf_output, &printer_data, fp); 1634 1635 if (printer_data.is_printable && printer_data.hit_nul) 1636 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data)); 1637 1638 return printed; 1639 } 1640 1641 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp) 1642 { 1643 if (len > 0 && len < spacing) 1644 return fprintf(fp, "%*s", spacing - len, ""); 1645 1646 return 0; 1647 } 1648 1649 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp) 1650 { 1651 return perf_sample__fprintf_spacing(len, 34, fp); 1652 } 1653 1654 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp) 1655 { 1656 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample); 1657 int len; 1658 1659 if (perf_sample__bad_synth_size(sample, *data)) 1660 return 0; 1661 1662 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ", 1663 data->ip, le64_to_cpu(data->payload)); 1664 return len + perf_sample__fprintf_pt_spacing(len, fp); 1665 } 1666 1667 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp) 1668 { 1669 struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample); 1670 int len; 1671 1672 if (perf_sample__bad_synth_size(sample, *data)) 1673 return 0; 1674 1675 len = fprintf(fp, " hints: %#x extensions: %#x ", 1676 data->hints, data->extensions); 1677 return len + perf_sample__fprintf_pt_spacing(len, fp); 1678 } 1679 1680 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp) 1681 { 1682 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample); 1683 int len; 1684 1685 if (perf_sample__bad_synth_size(sample, *data)) 1686 return 0; 1687 1688 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ", 1689 data->hw, data->cstate, data->subcstate); 1690 return len + perf_sample__fprintf_pt_spacing(len, fp); 1691 } 1692 1693 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp) 1694 { 1695 struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample); 1696 int len; 1697 1698 if (perf_sample__bad_synth_size(sample, *data)) 1699 return 0; 1700 1701 len = fprintf(fp, " IP: %u ", data->ip); 1702 return len + perf_sample__fprintf_pt_spacing(len, fp); 1703 } 1704 1705 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp) 1706 { 1707 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample); 1708 int len; 1709 1710 if (perf_sample__bad_synth_size(sample, *data)) 1711 return 0; 1712 1713 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ", 1714 data->deepest_cstate, data->last_cstate, 1715 data->wake_reason); 1716 return len + perf_sample__fprintf_pt_spacing(len, fp); 1717 } 1718 1719 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp) 1720 { 1721 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample); 1722 unsigned int percent, freq; 1723 int len; 1724 1725 if (perf_sample__bad_synth_size(sample, *data)) 1726 return 0; 1727 1728 freq = (le32_to_cpu(data->freq) + 500) / 1000; 1729 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq); 1730 if (data->max_nonturbo) { 1731 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10; 1732 len += fprintf(fp, "(%3u%%) ", percent); 1733 } 1734 return len + perf_sample__fprintf_pt_spacing(len, fp); 1735 } 1736 1737 static int perf_sample__fprintf_synth(struct perf_sample *sample, 1738 struct evsel *evsel, FILE *fp) 1739 { 1740 switch (evsel->core.attr.config) { 1741 case PERF_SYNTH_INTEL_PTWRITE: 1742 return perf_sample__fprintf_synth_ptwrite(sample, fp); 1743 case PERF_SYNTH_INTEL_MWAIT: 1744 return perf_sample__fprintf_synth_mwait(sample, fp); 1745 case PERF_SYNTH_INTEL_PWRE: 1746 return perf_sample__fprintf_synth_pwre(sample, fp); 1747 case PERF_SYNTH_INTEL_EXSTOP: 1748 return perf_sample__fprintf_synth_exstop(sample, fp); 1749 case PERF_SYNTH_INTEL_PWRX: 1750 return perf_sample__fprintf_synth_pwrx(sample, fp); 1751 case PERF_SYNTH_INTEL_CBR: 1752 return perf_sample__fprintf_synth_cbr(sample, fp); 1753 default: 1754 break; 1755 } 1756 1757 return 0; 1758 } 1759 1760 static int evlist__max_name_len(struct evlist *evlist) 1761 { 1762 struct evsel *evsel; 1763 int max = 0; 1764 1765 evlist__for_each_entry(evlist, evsel) { 1766 int len = strlen(evsel__name(evsel)); 1767 1768 max = MAX(len, max); 1769 } 1770 1771 return max; 1772 } 1773 1774 static int data_src__fprintf(u64 data_src, FILE *fp) 1775 { 1776 struct mem_info mi = { .data_src.val = data_src }; 1777 char decode[100]; 1778 char out[100]; 1779 static int maxlen; 1780 int len; 1781 1782 perf_script__meminfo_scnprintf(decode, 100, &mi); 1783 1784 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode); 1785 if (maxlen < len) 1786 maxlen = len; 1787 1788 return fprintf(fp, "%-*s", maxlen, out); 1789 } 1790 1791 struct metric_ctx { 1792 struct perf_sample *sample; 1793 struct thread *thread; 1794 struct evsel *evsel; 1795 FILE *fp; 1796 }; 1797 1798 static void script_print_metric(struct perf_stat_config *config __maybe_unused, 1799 void *ctx, const char *color, 1800 const char *fmt, 1801 const char *unit, double val) 1802 { 1803 struct metric_ctx *mctx = ctx; 1804 1805 if (!fmt) 1806 return; 1807 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, 1808 PERF_RECORD_SAMPLE, mctx->fp); 1809 fputs("\tmetric: ", mctx->fp); 1810 if (color) 1811 color_fprintf(mctx->fp, color, fmt, val); 1812 else 1813 printf(fmt, val); 1814 fprintf(mctx->fp, " %s\n", unit); 1815 } 1816 1817 static void script_new_line(struct perf_stat_config *config __maybe_unused, 1818 void *ctx) 1819 { 1820 struct metric_ctx *mctx = ctx; 1821 1822 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, 1823 PERF_RECORD_SAMPLE, mctx->fp); 1824 fputs("\tmetric: ", mctx->fp); 1825 } 1826 1827 static void perf_sample__fprint_metric(struct perf_script *script, 1828 struct thread *thread, 1829 struct evsel *evsel, 1830 struct perf_sample *sample, 1831 FILE *fp) 1832 { 1833 struct perf_stat_output_ctx ctx = { 1834 .print_metric = script_print_metric, 1835 .new_line = script_new_line, 1836 .ctx = &(struct metric_ctx) { 1837 .sample = sample, 1838 .thread = thread, 1839 .evsel = evsel, 1840 .fp = fp, 1841 }, 1842 .force_header = false, 1843 }; 1844 struct evsel *ev2; 1845 u64 val; 1846 1847 if (!evsel->stats) 1848 perf_evlist__alloc_stats(script->session->evlist, false); 1849 if (evsel_script(evsel->leader)->gnum++ == 0) 1850 perf_stat__reset_shadow_stats(); 1851 val = sample->period * evsel->scale; 1852 perf_stat__update_shadow_stats(evsel, 1853 val, 1854 sample->cpu, 1855 &rt_stat); 1856 evsel_script(evsel)->val = val; 1857 if (evsel_script(evsel->leader)->gnum == evsel->leader->core.nr_members) { 1858 for_each_group_member (ev2, evsel->leader) { 1859 perf_stat__print_shadow_stats(&stat_config, ev2, 1860 evsel_script(ev2)->val, 1861 sample->cpu, 1862 &ctx, 1863 NULL, 1864 &rt_stat); 1865 } 1866 evsel_script(evsel->leader)->gnum = 0; 1867 } 1868 } 1869 1870 static bool show_event(struct perf_sample *sample, 1871 struct evsel *evsel, 1872 struct thread *thread, 1873 struct addr_location *al) 1874 { 1875 int depth = thread_stack__depth(thread, sample->cpu); 1876 1877 if (!symbol_conf.graph_function) 1878 return true; 1879 1880 if (thread->filter) { 1881 if (depth <= thread->filter_entry_depth) { 1882 thread->filter = false; 1883 return false; 1884 } 1885 return true; 1886 } else { 1887 const char *s = symbol_conf.graph_function; 1888 u64 ip; 1889 const char *name = resolve_branch_sym(sample, evsel, thread, al, 1890 &ip); 1891 unsigned nlen; 1892 1893 if (!name) 1894 return false; 1895 nlen = strlen(name); 1896 while (*s) { 1897 unsigned len = strcspn(s, ","); 1898 if (nlen == len && !strncmp(name, s, len)) { 1899 thread->filter = true; 1900 thread->filter_entry_depth = depth; 1901 return true; 1902 } 1903 s += len; 1904 if (*s == ',') 1905 s++; 1906 } 1907 return false; 1908 } 1909 } 1910 1911 static void process_event(struct perf_script *script, 1912 struct perf_sample *sample, struct evsel *evsel, 1913 struct addr_location *al, 1914 struct machine *machine) 1915 { 1916 struct thread *thread = al->thread; 1917 struct perf_event_attr *attr = &evsel->core.attr; 1918 unsigned int type = output_type(attr->type); 1919 struct evsel_script *es = evsel->priv; 1920 FILE *fp = es->fp; 1921 1922 if (output[type].fields == 0) 1923 return; 1924 1925 if (!show_event(sample, evsel, thread, al)) 1926 return; 1927 1928 if (evswitch__discard(&script->evswitch, evsel)) 1929 return; 1930 1931 ++es->samples; 1932 1933 perf_sample__fprintf_start(script, sample, thread, evsel, 1934 PERF_RECORD_SAMPLE, fp); 1935 1936 if (PRINT_FIELD(PERIOD)) 1937 fprintf(fp, "%10" PRIu64 " ", sample->period); 1938 1939 if (PRINT_FIELD(EVNAME)) { 1940 const char *evname = evsel__name(evsel); 1941 1942 if (!script->name_width) 1943 script->name_width = evlist__max_name_len(script->session->evlist); 1944 1945 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]"); 1946 } 1947 1948 if (print_flags) 1949 perf_sample__fprintf_flags(sample->flags, fp); 1950 1951 if (is_bts_event(attr)) { 1952 perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp); 1953 return; 1954 } 1955 1956 if (PRINT_FIELD(TRACE) && sample->raw_data) { 1957 event_format__fprintf(evsel->tp_format, sample->cpu, 1958 sample->raw_data, sample->raw_size, fp); 1959 } 1960 1961 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH)) 1962 perf_sample__fprintf_synth(sample, evsel, fp); 1963 1964 if (PRINT_FIELD(ADDR)) 1965 perf_sample__fprintf_addr(sample, thread, attr, fp); 1966 1967 if (PRINT_FIELD(DATA_SRC)) 1968 data_src__fprintf(sample->data_src, fp); 1969 1970 if (PRINT_FIELD(WEIGHT)) 1971 fprintf(fp, "%16" PRIu64, sample->weight); 1972 1973 if (PRINT_FIELD(IP)) { 1974 struct callchain_cursor *cursor = NULL; 1975 1976 if (script->stitch_lbr) 1977 al->thread->lbr_stitch_enable = true; 1978 1979 if (symbol_conf.use_callchain && sample->callchain && 1980 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 1981 sample, NULL, NULL, scripting_max_stack) == 0) 1982 cursor = &callchain_cursor; 1983 1984 fputc(cursor ? '\n' : ' ', fp); 1985 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, 1986 symbol_conf.bt_stop_list, fp); 1987 } 1988 1989 if (PRINT_FIELD(IREGS)) 1990 perf_sample__fprintf_iregs(sample, attr, fp); 1991 1992 if (PRINT_FIELD(UREGS)) 1993 perf_sample__fprintf_uregs(sample, attr, fp); 1994 1995 if (PRINT_FIELD(BRSTACK)) 1996 perf_sample__fprintf_brstack(sample, thread, attr, fp); 1997 else if (PRINT_FIELD(BRSTACKSYM)) 1998 perf_sample__fprintf_brstacksym(sample, thread, attr, fp); 1999 else if (PRINT_FIELD(BRSTACKOFF)) 2000 perf_sample__fprintf_brstackoff(sample, thread, attr, fp); 2001 2002 if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT)) 2003 perf_sample__fprintf_bpf_output(sample, fp); 2004 perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 2005 2006 if (PRINT_FIELD(PHYS_ADDR)) 2007 fprintf(fp, "%16" PRIx64, sample->phys_addr); 2008 2009 perf_sample__fprintf_ipc(sample, attr, fp); 2010 2011 fprintf(fp, "\n"); 2012 2013 if (PRINT_FIELD(SRCCODE)) { 2014 if (map__fprintf_srccode(al->map, al->addr, stdout, 2015 &thread->srccode_state)) 2016 printf("\n"); 2017 } 2018 2019 if (PRINT_FIELD(METRIC)) 2020 perf_sample__fprint_metric(script, thread, evsel, sample, fp); 2021 2022 if (verbose) 2023 fflush(fp); 2024 } 2025 2026 static struct scripting_ops *scripting_ops; 2027 2028 static void __process_stat(struct evsel *counter, u64 tstamp) 2029 { 2030 int nthreads = perf_thread_map__nr(counter->core.threads); 2031 int ncpus = evsel__nr_cpus(counter); 2032 int cpu, thread; 2033 static int header_printed; 2034 2035 if (counter->core.system_wide) 2036 nthreads = 1; 2037 2038 if (!header_printed) { 2039 printf("%3s %8s %15s %15s %15s %15s %s\n", 2040 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT"); 2041 header_printed = 1; 2042 } 2043 2044 for (thread = 0; thread < nthreads; thread++) { 2045 for (cpu = 0; cpu < ncpus; cpu++) { 2046 struct perf_counts_values *counts; 2047 2048 counts = perf_counts(counter->counts, cpu, thread); 2049 2050 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n", 2051 counter->core.cpus->map[cpu], 2052 perf_thread_map__pid(counter->core.threads, thread), 2053 counts->val, 2054 counts->ena, 2055 counts->run, 2056 tstamp, 2057 evsel__name(counter)); 2058 } 2059 } 2060 } 2061 2062 static void process_stat(struct evsel *counter, u64 tstamp) 2063 { 2064 if (scripting_ops && scripting_ops->process_stat) 2065 scripting_ops->process_stat(&stat_config, counter, tstamp); 2066 else 2067 __process_stat(counter, tstamp); 2068 } 2069 2070 static void process_stat_interval(u64 tstamp) 2071 { 2072 if (scripting_ops && scripting_ops->process_stat_interval) 2073 scripting_ops->process_stat_interval(tstamp); 2074 } 2075 2076 static void setup_scripting(void) 2077 { 2078 setup_perl_scripting(); 2079 setup_python_scripting(); 2080 } 2081 2082 static int flush_scripting(void) 2083 { 2084 return scripting_ops ? scripting_ops->flush_script() : 0; 2085 } 2086 2087 static int cleanup_scripting(void) 2088 { 2089 pr_debug("\nperf script stopped\n"); 2090 2091 return scripting_ops ? scripting_ops->stop_script() : 0; 2092 } 2093 2094 static bool filter_cpu(struct perf_sample *sample) 2095 { 2096 if (cpu_list && sample->cpu != (u32)-1) 2097 return !test_bit(sample->cpu, cpu_bitmap); 2098 return false; 2099 } 2100 2101 static int process_sample_event(struct perf_tool *tool, 2102 union perf_event *event, 2103 struct perf_sample *sample, 2104 struct evsel *evsel, 2105 struct machine *machine) 2106 { 2107 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2108 struct addr_location al; 2109 2110 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num, 2111 sample->time)) { 2112 return 0; 2113 } 2114 2115 if (debug_mode) { 2116 if (sample->time < last_timestamp) { 2117 pr_err("Samples misordered, previous: %" PRIu64 2118 " this: %" PRIu64 "\n", last_timestamp, 2119 sample->time); 2120 nr_unordered++; 2121 } 2122 last_timestamp = sample->time; 2123 return 0; 2124 } 2125 2126 if (machine__resolve(machine, &al, sample) < 0) { 2127 pr_err("problem processing %d event, skipping it.\n", 2128 event->header.type); 2129 return -1; 2130 } 2131 2132 if (al.filtered) 2133 goto out_put; 2134 2135 if (filter_cpu(sample)) 2136 goto out_put; 2137 2138 if (scripting_ops) 2139 scripting_ops->process_event(event, sample, evsel, &al); 2140 else 2141 process_event(scr, sample, evsel, &al, machine); 2142 2143 out_put: 2144 addr_location__put(&al); 2145 return 0; 2146 } 2147 2148 static int process_attr(struct perf_tool *tool, union perf_event *event, 2149 struct evlist **pevlist) 2150 { 2151 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2152 struct evlist *evlist; 2153 struct evsel *evsel, *pos; 2154 u64 sample_type; 2155 int err; 2156 static struct evsel_script *es; 2157 2158 err = perf_event__process_attr(tool, event, pevlist); 2159 if (err) 2160 return err; 2161 2162 evlist = *pevlist; 2163 evsel = evlist__last(*pevlist); 2164 2165 if (!evsel->priv) { 2166 if (scr->per_event_dump) { 2167 evsel->priv = perf_evsel_script__new(evsel, 2168 scr->session->data); 2169 } else { 2170 es = zalloc(sizeof(*es)); 2171 if (!es) 2172 return -ENOMEM; 2173 es->fp = stdout; 2174 evsel->priv = es; 2175 } 2176 } 2177 2178 if (evsel->core.attr.type >= PERF_TYPE_MAX && 2179 evsel->core.attr.type != PERF_TYPE_SYNTH) 2180 return 0; 2181 2182 evlist__for_each_entry(evlist, pos) { 2183 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel) 2184 return 0; 2185 } 2186 2187 if (evsel->core.attr.sample_type) { 2188 err = evsel__check_attr(evsel, scr->session); 2189 if (err) 2190 return err; 2191 } 2192 2193 /* 2194 * Check if we need to enable callchains based 2195 * on events sample_type. 2196 */ 2197 sample_type = evlist__combined_sample_type(evlist); 2198 callchain_param_setup(sample_type); 2199 2200 /* Enable fields for callchain entries */ 2201 if (symbol_conf.use_callchain && 2202 (sample_type & PERF_SAMPLE_CALLCHAIN || 2203 sample_type & PERF_SAMPLE_BRANCH_STACK || 2204 (sample_type & PERF_SAMPLE_REGS_USER && 2205 sample_type & PERF_SAMPLE_STACK_USER))) { 2206 int type = output_type(evsel->core.attr.type); 2207 2208 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP)) 2209 output[type].fields |= PERF_OUTPUT_IP; 2210 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM)) 2211 output[type].fields |= PERF_OUTPUT_SYM; 2212 } 2213 set_print_ip_opts(&evsel->core.attr); 2214 return 0; 2215 } 2216 2217 static int print_event_with_time(struct perf_tool *tool, 2218 union perf_event *event, 2219 struct perf_sample *sample, 2220 struct machine *machine, 2221 pid_t pid, pid_t tid, u64 timestamp) 2222 { 2223 struct perf_script *script = container_of(tool, struct perf_script, tool); 2224 struct perf_session *session = script->session; 2225 struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2226 struct thread *thread = NULL; 2227 2228 if (evsel && !evsel->core.attr.sample_id_all) { 2229 sample->cpu = 0; 2230 sample->time = timestamp; 2231 sample->pid = pid; 2232 sample->tid = tid; 2233 } 2234 2235 if (filter_cpu(sample)) 2236 return 0; 2237 2238 if (tid != -1) 2239 thread = machine__findnew_thread(machine, pid, tid); 2240 2241 if (thread && evsel) { 2242 perf_sample__fprintf_start(script, sample, thread, evsel, 2243 event->header.type, stdout); 2244 } 2245 2246 perf_event__fprintf(event, machine, stdout); 2247 2248 thread__put(thread); 2249 2250 return 0; 2251 } 2252 2253 static int print_event(struct perf_tool *tool, union perf_event *event, 2254 struct perf_sample *sample, struct machine *machine, 2255 pid_t pid, pid_t tid) 2256 { 2257 return print_event_with_time(tool, event, sample, machine, pid, tid, 0); 2258 } 2259 2260 static int process_comm_event(struct perf_tool *tool, 2261 union perf_event *event, 2262 struct perf_sample *sample, 2263 struct machine *machine) 2264 { 2265 if (perf_event__process_comm(tool, event, sample, machine) < 0) 2266 return -1; 2267 2268 return print_event(tool, event, sample, machine, event->comm.pid, 2269 event->comm.tid); 2270 } 2271 2272 static int process_namespaces_event(struct perf_tool *tool, 2273 union perf_event *event, 2274 struct perf_sample *sample, 2275 struct machine *machine) 2276 { 2277 if (perf_event__process_namespaces(tool, event, sample, machine) < 0) 2278 return -1; 2279 2280 return print_event(tool, event, sample, machine, event->namespaces.pid, 2281 event->namespaces.tid); 2282 } 2283 2284 static int process_cgroup_event(struct perf_tool *tool, 2285 union perf_event *event, 2286 struct perf_sample *sample, 2287 struct machine *machine) 2288 { 2289 if (perf_event__process_cgroup(tool, event, sample, machine) < 0) 2290 return -1; 2291 2292 return print_event(tool, event, sample, machine, sample->pid, 2293 sample->tid); 2294 } 2295 2296 static int process_fork_event(struct perf_tool *tool, 2297 union perf_event *event, 2298 struct perf_sample *sample, 2299 struct machine *machine) 2300 { 2301 if (perf_event__process_fork(tool, event, sample, machine) < 0) 2302 return -1; 2303 2304 return print_event_with_time(tool, event, sample, machine, 2305 event->fork.pid, event->fork.tid, 2306 event->fork.time); 2307 } 2308 static int process_exit_event(struct perf_tool *tool, 2309 union perf_event *event, 2310 struct perf_sample *sample, 2311 struct machine *machine) 2312 { 2313 /* Print before 'exit' deletes anything */ 2314 if (print_event_with_time(tool, event, sample, machine, event->fork.pid, 2315 event->fork.tid, event->fork.time)) 2316 return -1; 2317 2318 return perf_event__process_exit(tool, event, sample, machine); 2319 } 2320 2321 static int process_mmap_event(struct perf_tool *tool, 2322 union perf_event *event, 2323 struct perf_sample *sample, 2324 struct machine *machine) 2325 { 2326 if (perf_event__process_mmap(tool, event, sample, machine) < 0) 2327 return -1; 2328 2329 return print_event(tool, event, sample, machine, event->mmap.pid, 2330 event->mmap.tid); 2331 } 2332 2333 static int process_mmap2_event(struct perf_tool *tool, 2334 union perf_event *event, 2335 struct perf_sample *sample, 2336 struct machine *machine) 2337 { 2338 if (perf_event__process_mmap2(tool, event, sample, machine) < 0) 2339 return -1; 2340 2341 return print_event(tool, event, sample, machine, event->mmap2.pid, 2342 event->mmap2.tid); 2343 } 2344 2345 static int process_switch_event(struct perf_tool *tool, 2346 union perf_event *event, 2347 struct perf_sample *sample, 2348 struct machine *machine) 2349 { 2350 struct perf_script *script = container_of(tool, struct perf_script, tool); 2351 2352 if (perf_event__process_switch(tool, event, sample, machine) < 0) 2353 return -1; 2354 2355 if (scripting_ops && scripting_ops->process_switch) 2356 scripting_ops->process_switch(event, sample, machine); 2357 2358 if (!script->show_switch_events) 2359 return 0; 2360 2361 return print_event(tool, event, sample, machine, sample->pid, 2362 sample->tid); 2363 } 2364 2365 static int 2366 process_lost_event(struct perf_tool *tool, 2367 union perf_event *event, 2368 struct perf_sample *sample, 2369 struct machine *machine) 2370 { 2371 return print_event(tool, event, sample, machine, sample->pid, 2372 sample->tid); 2373 } 2374 2375 static int 2376 process_finished_round_event(struct perf_tool *tool __maybe_unused, 2377 union perf_event *event, 2378 struct ordered_events *oe __maybe_unused) 2379 2380 { 2381 perf_event__fprintf(event, NULL, stdout); 2382 return 0; 2383 } 2384 2385 static int 2386 process_bpf_events(struct perf_tool *tool __maybe_unused, 2387 union perf_event *event, 2388 struct perf_sample *sample, 2389 struct machine *machine) 2390 { 2391 if (machine__process_ksymbol(machine, event, sample) < 0) 2392 return -1; 2393 2394 return print_event(tool, event, sample, machine, sample->pid, 2395 sample->tid); 2396 } 2397 2398 static int process_text_poke_events(struct perf_tool *tool, 2399 union perf_event *event, 2400 struct perf_sample *sample, 2401 struct machine *machine) 2402 { 2403 if (perf_event__process_text_poke(tool, event, sample, machine) < 0) 2404 return -1; 2405 2406 return print_event(tool, event, sample, machine, sample->pid, 2407 sample->tid); 2408 } 2409 2410 static void sig_handler(int sig __maybe_unused) 2411 { 2412 session_done = 1; 2413 } 2414 2415 static void perf_script__fclose_per_event_dump(struct perf_script *script) 2416 { 2417 struct evlist *evlist = script->session->evlist; 2418 struct evsel *evsel; 2419 2420 evlist__for_each_entry(evlist, evsel) { 2421 if (!evsel->priv) 2422 break; 2423 perf_evsel_script__delete(evsel->priv); 2424 evsel->priv = NULL; 2425 } 2426 } 2427 2428 static int perf_script__fopen_per_event_dump(struct perf_script *script) 2429 { 2430 struct evsel *evsel; 2431 2432 evlist__for_each_entry(script->session->evlist, evsel) { 2433 /* 2434 * Already setup? I.e. we may be called twice in cases like 2435 * Intel PT, one for the intel_pt// and dummy events, then 2436 * for the evsels syntheized from the auxtrace info. 2437 * 2438 * Ses perf_script__process_auxtrace_info. 2439 */ 2440 if (evsel->priv != NULL) 2441 continue; 2442 2443 evsel->priv = perf_evsel_script__new(evsel, script->session->data); 2444 if (evsel->priv == NULL) 2445 goto out_err_fclose; 2446 } 2447 2448 return 0; 2449 2450 out_err_fclose: 2451 perf_script__fclose_per_event_dump(script); 2452 return -1; 2453 } 2454 2455 static int perf_script__setup_per_event_dump(struct perf_script *script) 2456 { 2457 struct evsel *evsel; 2458 static struct evsel_script es_stdout; 2459 2460 if (script->per_event_dump) 2461 return perf_script__fopen_per_event_dump(script); 2462 2463 es_stdout.fp = stdout; 2464 2465 evlist__for_each_entry(script->session->evlist, evsel) 2466 evsel->priv = &es_stdout; 2467 2468 return 0; 2469 } 2470 2471 static void perf_script__exit_per_event_dump_stats(struct perf_script *script) 2472 { 2473 struct evsel *evsel; 2474 2475 evlist__for_each_entry(script->session->evlist, evsel) { 2476 struct evsel_script *es = evsel->priv; 2477 2478 perf_evsel_script__fprintf(es, stdout); 2479 perf_evsel_script__delete(es); 2480 evsel->priv = NULL; 2481 } 2482 } 2483 2484 static int __cmd_script(struct perf_script *script) 2485 { 2486 int ret; 2487 2488 signal(SIGINT, sig_handler); 2489 2490 perf_stat__init_shadow_stats(); 2491 2492 /* override event processing functions */ 2493 if (script->show_task_events) { 2494 script->tool.comm = process_comm_event; 2495 script->tool.fork = process_fork_event; 2496 script->tool.exit = process_exit_event; 2497 } 2498 if (script->show_mmap_events) { 2499 script->tool.mmap = process_mmap_event; 2500 script->tool.mmap2 = process_mmap2_event; 2501 } 2502 if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch)) 2503 script->tool.context_switch = process_switch_event; 2504 if (script->show_namespace_events) 2505 script->tool.namespaces = process_namespaces_event; 2506 if (script->show_cgroup_events) 2507 script->tool.cgroup = process_cgroup_event; 2508 if (script->show_lost_events) 2509 script->tool.lost = process_lost_event; 2510 if (script->show_round_events) { 2511 script->tool.ordered_events = false; 2512 script->tool.finished_round = process_finished_round_event; 2513 } 2514 if (script->show_bpf_events) { 2515 script->tool.ksymbol = process_bpf_events; 2516 script->tool.bpf = process_bpf_events; 2517 } 2518 if (script->show_text_poke_events) { 2519 script->tool.ksymbol = process_bpf_events; 2520 script->tool.text_poke = process_text_poke_events; 2521 } 2522 2523 if (perf_script__setup_per_event_dump(script)) { 2524 pr_err("Couldn't create the per event dump files\n"); 2525 return -1; 2526 } 2527 2528 ret = perf_session__process_events(script->session); 2529 2530 if (script->per_event_dump) 2531 perf_script__exit_per_event_dump_stats(script); 2532 2533 if (debug_mode) 2534 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); 2535 2536 return ret; 2537 } 2538 2539 struct script_spec { 2540 struct list_head node; 2541 struct scripting_ops *ops; 2542 char spec[]; 2543 }; 2544 2545 static LIST_HEAD(script_specs); 2546 2547 static struct script_spec *script_spec__new(const char *spec, 2548 struct scripting_ops *ops) 2549 { 2550 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); 2551 2552 if (s != NULL) { 2553 strcpy(s->spec, spec); 2554 s->ops = ops; 2555 } 2556 2557 return s; 2558 } 2559 2560 static void script_spec__add(struct script_spec *s) 2561 { 2562 list_add_tail(&s->node, &script_specs); 2563 } 2564 2565 static struct script_spec *script_spec__find(const char *spec) 2566 { 2567 struct script_spec *s; 2568 2569 list_for_each_entry(s, &script_specs, node) 2570 if (strcasecmp(s->spec, spec) == 0) 2571 return s; 2572 return NULL; 2573 } 2574 2575 int script_spec_register(const char *spec, struct scripting_ops *ops) 2576 { 2577 struct script_spec *s; 2578 2579 s = script_spec__find(spec); 2580 if (s) 2581 return -1; 2582 2583 s = script_spec__new(spec, ops); 2584 if (!s) 2585 return -1; 2586 else 2587 script_spec__add(s); 2588 2589 return 0; 2590 } 2591 2592 static struct scripting_ops *script_spec__lookup(const char *spec) 2593 { 2594 struct script_spec *s = script_spec__find(spec); 2595 if (!s) 2596 return NULL; 2597 2598 return s->ops; 2599 } 2600 2601 static void list_available_languages(void) 2602 { 2603 struct script_spec *s; 2604 2605 fprintf(stderr, "\n"); 2606 fprintf(stderr, "Scripting language extensions (used in " 2607 "perf script -s [spec:]script.[spec]):\n\n"); 2608 2609 list_for_each_entry(s, &script_specs, node) 2610 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); 2611 2612 fprintf(stderr, "\n"); 2613 } 2614 2615 static int parse_scriptname(const struct option *opt __maybe_unused, 2616 const char *str, int unset __maybe_unused) 2617 { 2618 char spec[PATH_MAX]; 2619 const char *script, *ext; 2620 int len; 2621 2622 if (strcmp(str, "lang") == 0) { 2623 list_available_languages(); 2624 exit(0); 2625 } 2626 2627 script = strchr(str, ':'); 2628 if (script) { 2629 len = script - str; 2630 if (len >= PATH_MAX) { 2631 fprintf(stderr, "invalid language specifier"); 2632 return -1; 2633 } 2634 strncpy(spec, str, len); 2635 spec[len] = '\0'; 2636 scripting_ops = script_spec__lookup(spec); 2637 if (!scripting_ops) { 2638 fprintf(stderr, "invalid language specifier"); 2639 return -1; 2640 } 2641 script++; 2642 } else { 2643 script = str; 2644 ext = strrchr(script, '.'); 2645 if (!ext) { 2646 fprintf(stderr, "invalid script extension"); 2647 return -1; 2648 } 2649 scripting_ops = script_spec__lookup(++ext); 2650 if (!scripting_ops) { 2651 fprintf(stderr, "invalid script extension"); 2652 return -1; 2653 } 2654 } 2655 2656 script_name = strdup(script); 2657 2658 return 0; 2659 } 2660 2661 static int parse_output_fields(const struct option *opt __maybe_unused, 2662 const char *arg, int unset __maybe_unused) 2663 { 2664 char *tok, *strtok_saveptr = NULL; 2665 int i, imax = ARRAY_SIZE(all_output_options); 2666 int j; 2667 int rc = 0; 2668 char *str = strdup(arg); 2669 int type = -1; 2670 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT; 2671 2672 if (!str) 2673 return -ENOMEM; 2674 2675 /* first word can state for which event type the user is specifying 2676 * the fields. If no type exists, the specified fields apply to all 2677 * event types found in the file minus the invalid fields for a type. 2678 */ 2679 tok = strchr(str, ':'); 2680 if (tok) { 2681 *tok = '\0'; 2682 tok++; 2683 if (!strcmp(str, "hw")) 2684 type = PERF_TYPE_HARDWARE; 2685 else if (!strcmp(str, "sw")) 2686 type = PERF_TYPE_SOFTWARE; 2687 else if (!strcmp(str, "trace")) 2688 type = PERF_TYPE_TRACEPOINT; 2689 else if (!strcmp(str, "raw")) 2690 type = PERF_TYPE_RAW; 2691 else if (!strcmp(str, "break")) 2692 type = PERF_TYPE_BREAKPOINT; 2693 else if (!strcmp(str, "synth")) 2694 type = OUTPUT_TYPE_SYNTH; 2695 else { 2696 fprintf(stderr, "Invalid event type in field string.\n"); 2697 rc = -EINVAL; 2698 goto out; 2699 } 2700 2701 if (output[type].user_set) 2702 pr_warning("Overriding previous field request for %s events.\n", 2703 event_type(type)); 2704 2705 /* Don't override defaults for +- */ 2706 if (strchr(tok, '+') || strchr(tok, '-')) 2707 goto parse; 2708 2709 output[type].fields = 0; 2710 output[type].user_set = true; 2711 output[type].wildcard_set = false; 2712 2713 } else { 2714 tok = str; 2715 if (strlen(str) == 0) { 2716 fprintf(stderr, 2717 "Cannot set fields to 'none' for all event types.\n"); 2718 rc = -EINVAL; 2719 goto out; 2720 } 2721 2722 /* Don't override defaults for +- */ 2723 if (strchr(str, '+') || strchr(str, '-')) 2724 goto parse; 2725 2726 if (output_set_by_user()) 2727 pr_warning("Overriding previous field request for all events.\n"); 2728 2729 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 2730 output[j].fields = 0; 2731 output[j].user_set = true; 2732 output[j].wildcard_set = true; 2733 } 2734 } 2735 2736 parse: 2737 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) { 2738 if (*tok == '+') { 2739 if (change == SET) 2740 goto out_badmix; 2741 change = ADD; 2742 tok++; 2743 } else if (*tok == '-') { 2744 if (change == SET) 2745 goto out_badmix; 2746 change = REMOVE; 2747 tok++; 2748 } else { 2749 if (change != SET && change != DEFAULT) 2750 goto out_badmix; 2751 change = SET; 2752 } 2753 2754 for (i = 0; i < imax; ++i) { 2755 if (strcmp(tok, all_output_options[i].str) == 0) 2756 break; 2757 } 2758 if (i == imax && strcmp(tok, "flags") == 0) { 2759 print_flags = change == REMOVE ? false : true; 2760 continue; 2761 } 2762 if (i == imax) { 2763 fprintf(stderr, "Invalid field requested.\n"); 2764 rc = -EINVAL; 2765 goto out; 2766 } 2767 2768 if (type == -1) { 2769 /* add user option to all events types for 2770 * which it is valid 2771 */ 2772 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 2773 if (output[j].invalid_fields & all_output_options[i].field) { 2774 pr_warning("\'%s\' not valid for %s events. Ignoring.\n", 2775 all_output_options[i].str, event_type(j)); 2776 } else { 2777 if (change == REMOVE) { 2778 output[j].fields &= ~all_output_options[i].field; 2779 output[j].user_set_fields &= ~all_output_options[i].field; 2780 output[j].user_unset_fields |= all_output_options[i].field; 2781 } else { 2782 output[j].fields |= all_output_options[i].field; 2783 output[j].user_set_fields |= all_output_options[i].field; 2784 output[j].user_unset_fields &= ~all_output_options[i].field; 2785 } 2786 output[j].user_set = true; 2787 output[j].wildcard_set = true; 2788 } 2789 } 2790 } else { 2791 if (output[type].invalid_fields & all_output_options[i].field) { 2792 fprintf(stderr, "\'%s\' not valid for %s events.\n", 2793 all_output_options[i].str, event_type(type)); 2794 2795 rc = -EINVAL; 2796 goto out; 2797 } 2798 if (change == REMOVE) 2799 output[type].fields &= ~all_output_options[i].field; 2800 else 2801 output[type].fields |= all_output_options[i].field; 2802 output[type].user_set = true; 2803 output[type].wildcard_set = true; 2804 } 2805 } 2806 2807 if (type >= 0) { 2808 if (output[type].fields == 0) { 2809 pr_debug("No fields requested for %s type. " 2810 "Events will not be displayed.\n", event_type(type)); 2811 } 2812 } 2813 goto out; 2814 2815 out_badmix: 2816 fprintf(stderr, "Cannot mix +-field with overridden fields\n"); 2817 rc = -EINVAL; 2818 out: 2819 free(str); 2820 return rc; 2821 } 2822 2823 #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \ 2824 while ((lang_dirent = readdir(scripts_dir)) != NULL) \ 2825 if ((lang_dirent->d_type == DT_DIR || \ 2826 (lang_dirent->d_type == DT_UNKNOWN && \ 2827 is_directory(scripts_path, lang_dirent))) && \ 2828 (strcmp(lang_dirent->d_name, ".")) && \ 2829 (strcmp(lang_dirent->d_name, ".."))) 2830 2831 #define for_each_script(lang_path, lang_dir, script_dirent) \ 2832 while ((script_dirent = readdir(lang_dir)) != NULL) \ 2833 if (script_dirent->d_type != DT_DIR && \ 2834 (script_dirent->d_type != DT_UNKNOWN || \ 2835 !is_directory(lang_path, script_dirent))) 2836 2837 2838 #define RECORD_SUFFIX "-record" 2839 #define REPORT_SUFFIX "-report" 2840 2841 struct script_desc { 2842 struct list_head node; 2843 char *name; 2844 char *half_liner; 2845 char *args; 2846 }; 2847 2848 static LIST_HEAD(script_descs); 2849 2850 static struct script_desc *script_desc__new(const char *name) 2851 { 2852 struct script_desc *s = zalloc(sizeof(*s)); 2853 2854 if (s != NULL && name) 2855 s->name = strdup(name); 2856 2857 return s; 2858 } 2859 2860 static void script_desc__delete(struct script_desc *s) 2861 { 2862 zfree(&s->name); 2863 zfree(&s->half_liner); 2864 zfree(&s->args); 2865 free(s); 2866 } 2867 2868 static void script_desc__add(struct script_desc *s) 2869 { 2870 list_add_tail(&s->node, &script_descs); 2871 } 2872 2873 static struct script_desc *script_desc__find(const char *name) 2874 { 2875 struct script_desc *s; 2876 2877 list_for_each_entry(s, &script_descs, node) 2878 if (strcasecmp(s->name, name) == 0) 2879 return s; 2880 return NULL; 2881 } 2882 2883 static struct script_desc *script_desc__findnew(const char *name) 2884 { 2885 struct script_desc *s = script_desc__find(name); 2886 2887 if (s) 2888 return s; 2889 2890 s = script_desc__new(name); 2891 if (!s) 2892 return NULL; 2893 2894 script_desc__add(s); 2895 2896 return s; 2897 } 2898 2899 static const char *ends_with(const char *str, const char *suffix) 2900 { 2901 size_t suffix_len = strlen(suffix); 2902 const char *p = str; 2903 2904 if (strlen(str) > suffix_len) { 2905 p = str + strlen(str) - suffix_len; 2906 if (!strncmp(p, suffix, suffix_len)) 2907 return p; 2908 } 2909 2910 return NULL; 2911 } 2912 2913 static int read_script_info(struct script_desc *desc, const char *filename) 2914 { 2915 char line[BUFSIZ], *p; 2916 FILE *fp; 2917 2918 fp = fopen(filename, "r"); 2919 if (!fp) 2920 return -1; 2921 2922 while (fgets(line, sizeof(line), fp)) { 2923 p = skip_spaces(line); 2924 if (strlen(p) == 0) 2925 continue; 2926 if (*p != '#') 2927 continue; 2928 p++; 2929 if (strlen(p) && *p == '!') 2930 continue; 2931 2932 p = skip_spaces(p); 2933 if (strlen(p) && p[strlen(p) - 1] == '\n') 2934 p[strlen(p) - 1] = '\0'; 2935 2936 if (!strncmp(p, "description:", strlen("description:"))) { 2937 p += strlen("description:"); 2938 desc->half_liner = strdup(skip_spaces(p)); 2939 continue; 2940 } 2941 2942 if (!strncmp(p, "args:", strlen("args:"))) { 2943 p += strlen("args:"); 2944 desc->args = strdup(skip_spaces(p)); 2945 continue; 2946 } 2947 } 2948 2949 fclose(fp); 2950 2951 return 0; 2952 } 2953 2954 static char *get_script_root(struct dirent *script_dirent, const char *suffix) 2955 { 2956 char *script_root, *str; 2957 2958 script_root = strdup(script_dirent->d_name); 2959 if (!script_root) 2960 return NULL; 2961 2962 str = (char *)ends_with(script_root, suffix); 2963 if (!str) { 2964 free(script_root); 2965 return NULL; 2966 } 2967 2968 *str = '\0'; 2969 return script_root; 2970 } 2971 2972 static int list_available_scripts(const struct option *opt __maybe_unused, 2973 const char *s __maybe_unused, 2974 int unset __maybe_unused) 2975 { 2976 struct dirent *script_dirent, *lang_dirent; 2977 char scripts_path[MAXPATHLEN]; 2978 DIR *scripts_dir, *lang_dir; 2979 char script_path[MAXPATHLEN]; 2980 char lang_path[MAXPATHLEN]; 2981 struct script_desc *desc; 2982 char first_half[BUFSIZ]; 2983 char *script_root; 2984 2985 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 2986 2987 scripts_dir = opendir(scripts_path); 2988 if (!scripts_dir) { 2989 fprintf(stdout, 2990 "open(%s) failed.\n" 2991 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n", 2992 scripts_path); 2993 exit(-1); 2994 } 2995 2996 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 2997 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 2998 lang_dirent->d_name); 2999 lang_dir = opendir(lang_path); 3000 if (!lang_dir) 3001 continue; 3002 3003 for_each_script(lang_path, lang_dir, script_dirent) { 3004 script_root = get_script_root(script_dirent, REPORT_SUFFIX); 3005 if (script_root) { 3006 desc = script_desc__findnew(script_root); 3007 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3008 lang_path, script_dirent->d_name); 3009 read_script_info(desc, script_path); 3010 free(script_root); 3011 } 3012 } 3013 } 3014 3015 fprintf(stdout, "List of available trace scripts:\n"); 3016 list_for_each_entry(desc, &script_descs, node) { 3017 sprintf(first_half, "%s %s", desc->name, 3018 desc->args ? desc->args : ""); 3019 fprintf(stdout, " %-36s %s\n", first_half, 3020 desc->half_liner ? desc->half_liner : ""); 3021 } 3022 3023 exit(0); 3024 } 3025 3026 /* 3027 * Some scripts specify the required events in their "xxx-record" file, 3028 * this function will check if the events in perf.data match those 3029 * mentioned in the "xxx-record". 3030 * 3031 * Fixme: All existing "xxx-record" are all in good formats "-e event ", 3032 * which is covered well now. And new parsing code should be added to 3033 * cover the future complexing formats like event groups etc. 3034 */ 3035 static int check_ev_match(char *dir_name, char *scriptname, 3036 struct perf_session *session) 3037 { 3038 char filename[MAXPATHLEN], evname[128]; 3039 char line[BUFSIZ], *p; 3040 struct evsel *pos; 3041 int match, len; 3042 FILE *fp; 3043 3044 scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname); 3045 3046 fp = fopen(filename, "r"); 3047 if (!fp) 3048 return -1; 3049 3050 while (fgets(line, sizeof(line), fp)) { 3051 p = skip_spaces(line); 3052 if (*p == '#') 3053 continue; 3054 3055 while (strlen(p)) { 3056 p = strstr(p, "-e"); 3057 if (!p) 3058 break; 3059 3060 p += 2; 3061 p = skip_spaces(p); 3062 len = strcspn(p, " \t"); 3063 if (!len) 3064 break; 3065 3066 snprintf(evname, len + 1, "%s", p); 3067 3068 match = 0; 3069 evlist__for_each_entry(session->evlist, pos) { 3070 if (!strcmp(evsel__name(pos), evname)) { 3071 match = 1; 3072 break; 3073 } 3074 } 3075 3076 if (!match) { 3077 fclose(fp); 3078 return -1; 3079 } 3080 } 3081 } 3082 3083 fclose(fp); 3084 return 0; 3085 } 3086 3087 /* 3088 * Return -1 if none is found, otherwise the actual scripts number. 3089 * 3090 * Currently the only user of this function is the script browser, which 3091 * will list all statically runnable scripts, select one, execute it and 3092 * show the output in a perf browser. 3093 */ 3094 int find_scripts(char **scripts_array, char **scripts_path_array, int num, 3095 int pathlen) 3096 { 3097 struct dirent *script_dirent, *lang_dirent; 3098 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; 3099 DIR *scripts_dir, *lang_dir; 3100 struct perf_session *session; 3101 struct perf_data data = { 3102 .path = input_name, 3103 .mode = PERF_DATA_MODE_READ, 3104 }; 3105 char *temp; 3106 int i = 0; 3107 3108 session = perf_session__new(&data, false, NULL); 3109 if (IS_ERR(session)) 3110 return PTR_ERR(session); 3111 3112 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3113 3114 scripts_dir = opendir(scripts_path); 3115 if (!scripts_dir) { 3116 perf_session__delete(session); 3117 return -1; 3118 } 3119 3120 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3121 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, 3122 lang_dirent->d_name); 3123 #ifndef HAVE_LIBPERL_SUPPORT 3124 if (strstr(lang_path, "perl")) 3125 continue; 3126 #endif 3127 #ifndef HAVE_LIBPYTHON_SUPPORT 3128 if (strstr(lang_path, "python")) 3129 continue; 3130 #endif 3131 3132 lang_dir = opendir(lang_path); 3133 if (!lang_dir) 3134 continue; 3135 3136 for_each_script(lang_path, lang_dir, script_dirent) { 3137 /* Skip those real time scripts: xxxtop.p[yl] */ 3138 if (strstr(script_dirent->d_name, "top.")) 3139 continue; 3140 if (i >= num) 3141 break; 3142 snprintf(scripts_path_array[i], pathlen, "%s/%s", 3143 lang_path, 3144 script_dirent->d_name); 3145 temp = strchr(script_dirent->d_name, '.'); 3146 snprintf(scripts_array[i], 3147 (temp - script_dirent->d_name) + 1, 3148 "%s", script_dirent->d_name); 3149 3150 if (check_ev_match(lang_path, 3151 scripts_array[i], session)) 3152 continue; 3153 3154 i++; 3155 } 3156 closedir(lang_dir); 3157 } 3158 3159 closedir(scripts_dir); 3160 perf_session__delete(session); 3161 return i; 3162 } 3163 3164 static char *get_script_path(const char *script_root, const char *suffix) 3165 { 3166 struct dirent *script_dirent, *lang_dirent; 3167 char scripts_path[MAXPATHLEN]; 3168 char script_path[MAXPATHLEN]; 3169 DIR *scripts_dir, *lang_dir; 3170 char lang_path[MAXPATHLEN]; 3171 char *__script_root; 3172 3173 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3174 3175 scripts_dir = opendir(scripts_path); 3176 if (!scripts_dir) 3177 return NULL; 3178 3179 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3180 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3181 lang_dirent->d_name); 3182 lang_dir = opendir(lang_path); 3183 if (!lang_dir) 3184 continue; 3185 3186 for_each_script(lang_path, lang_dir, script_dirent) { 3187 __script_root = get_script_root(script_dirent, suffix); 3188 if (__script_root && !strcmp(script_root, __script_root)) { 3189 free(__script_root); 3190 closedir(scripts_dir); 3191 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3192 lang_path, script_dirent->d_name); 3193 closedir(lang_dir); 3194 return strdup(script_path); 3195 } 3196 free(__script_root); 3197 } 3198 closedir(lang_dir); 3199 } 3200 closedir(scripts_dir); 3201 3202 return NULL; 3203 } 3204 3205 static bool is_top_script(const char *script_path) 3206 { 3207 return ends_with(script_path, "top") == NULL ? false : true; 3208 } 3209 3210 static int has_required_arg(char *script_path) 3211 { 3212 struct script_desc *desc; 3213 int n_args = 0; 3214 char *p; 3215 3216 desc = script_desc__new(NULL); 3217 3218 if (read_script_info(desc, script_path)) 3219 goto out; 3220 3221 if (!desc->args) 3222 goto out; 3223 3224 for (p = desc->args; *p; p++) 3225 if (*p == '<') 3226 n_args++; 3227 out: 3228 script_desc__delete(desc); 3229 3230 return n_args; 3231 } 3232 3233 static int have_cmd(int argc, const char **argv) 3234 { 3235 char **__argv = malloc(sizeof(const char *) * argc); 3236 3237 if (!__argv) { 3238 pr_err("malloc failed\n"); 3239 return -1; 3240 } 3241 3242 memcpy(__argv, argv, sizeof(const char *) * argc); 3243 argc = parse_options(argc, (const char **)__argv, record_options, 3244 NULL, PARSE_OPT_STOP_AT_NON_OPTION); 3245 free(__argv); 3246 3247 system_wide = (argc == 0); 3248 3249 return 0; 3250 } 3251 3252 static void script__setup_sample_type(struct perf_script *script) 3253 { 3254 struct perf_session *session = script->session; 3255 u64 sample_type = evlist__combined_sample_type(session->evlist); 3256 3257 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) { 3258 if ((sample_type & PERF_SAMPLE_REGS_USER) && 3259 (sample_type & PERF_SAMPLE_STACK_USER)) { 3260 callchain_param.record_mode = CALLCHAIN_DWARF; 3261 dwarf_callchain_users = true; 3262 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK) 3263 callchain_param.record_mode = CALLCHAIN_LBR; 3264 else 3265 callchain_param.record_mode = CALLCHAIN_FP; 3266 } 3267 3268 if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) { 3269 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n" 3270 "Please apply --call-graph lbr when recording.\n"); 3271 script->stitch_lbr = false; 3272 } 3273 } 3274 3275 static int process_stat_round_event(struct perf_session *session, 3276 union perf_event *event) 3277 { 3278 struct perf_record_stat_round *round = &event->stat_round; 3279 struct evsel *counter; 3280 3281 evlist__for_each_entry(session->evlist, counter) { 3282 perf_stat_process_counter(&stat_config, counter); 3283 process_stat(counter, round->time); 3284 } 3285 3286 process_stat_interval(round->time); 3287 return 0; 3288 } 3289 3290 static int process_stat_config_event(struct perf_session *session __maybe_unused, 3291 union perf_event *event) 3292 { 3293 perf_event__read_stat_config(&stat_config, &event->stat_config); 3294 return 0; 3295 } 3296 3297 static int set_maps(struct perf_script *script) 3298 { 3299 struct evlist *evlist = script->session->evlist; 3300 3301 if (!script->cpus || !script->threads) 3302 return 0; 3303 3304 if (WARN_ONCE(script->allocated, "stats double allocation\n")) 3305 return -EINVAL; 3306 3307 perf_evlist__set_maps(&evlist->core, script->cpus, script->threads); 3308 3309 if (perf_evlist__alloc_stats(evlist, true)) 3310 return -ENOMEM; 3311 3312 script->allocated = true; 3313 return 0; 3314 } 3315 3316 static 3317 int process_thread_map_event(struct perf_session *session, 3318 union perf_event *event) 3319 { 3320 struct perf_tool *tool = session->tool; 3321 struct perf_script *script = container_of(tool, struct perf_script, tool); 3322 3323 if (script->threads) { 3324 pr_warning("Extra thread map event, ignoring.\n"); 3325 return 0; 3326 } 3327 3328 script->threads = thread_map__new_event(&event->thread_map); 3329 if (!script->threads) 3330 return -ENOMEM; 3331 3332 return set_maps(script); 3333 } 3334 3335 static 3336 int process_cpu_map_event(struct perf_session *session, 3337 union perf_event *event) 3338 { 3339 struct perf_tool *tool = session->tool; 3340 struct perf_script *script = container_of(tool, struct perf_script, tool); 3341 3342 if (script->cpus) { 3343 pr_warning("Extra cpu map event, ignoring.\n"); 3344 return 0; 3345 } 3346 3347 script->cpus = cpu_map__new_data(&event->cpu_map.data); 3348 if (!script->cpus) 3349 return -ENOMEM; 3350 3351 return set_maps(script); 3352 } 3353 3354 static int process_feature_event(struct perf_session *session, 3355 union perf_event *event) 3356 { 3357 if (event->feat.feat_id < HEADER_LAST_FEATURE) 3358 return perf_event__process_feature(session, event); 3359 return 0; 3360 } 3361 3362 #ifdef HAVE_AUXTRACE_SUPPORT 3363 static int perf_script__process_auxtrace_info(struct perf_session *session, 3364 union perf_event *event) 3365 { 3366 struct perf_tool *tool = session->tool; 3367 3368 int ret = perf_event__process_auxtrace_info(session, event); 3369 3370 if (ret == 0) { 3371 struct perf_script *script = container_of(tool, struct perf_script, tool); 3372 3373 ret = perf_script__setup_per_event_dump(script); 3374 } 3375 3376 return ret; 3377 } 3378 #else 3379 #define perf_script__process_auxtrace_info 0 3380 #endif 3381 3382 static int parse_insn_trace(const struct option *opt __maybe_unused, 3383 const char *str __maybe_unused, 3384 int unset __maybe_unused) 3385 { 3386 parse_output_fields(NULL, "+insn,-event,-period", 0); 3387 itrace_parse_synth_opts(opt, "i0ns", 0); 3388 symbol_conf.nanosecs = true; 3389 return 0; 3390 } 3391 3392 static int parse_xed(const struct option *opt __maybe_unused, 3393 const char *str __maybe_unused, 3394 int unset __maybe_unused) 3395 { 3396 if (isatty(1)) 3397 force_pager("xed -F insn: -A -64 | less"); 3398 else 3399 force_pager("xed -F insn: -A -64"); 3400 return 0; 3401 } 3402 3403 static int parse_call_trace(const struct option *opt __maybe_unused, 3404 const char *str __maybe_unused, 3405 int unset __maybe_unused) 3406 { 3407 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0); 3408 itrace_parse_synth_opts(opt, "cewp", 0); 3409 symbol_conf.nanosecs = true; 3410 symbol_conf.pad_output_len_dso = 50; 3411 return 0; 3412 } 3413 3414 static int parse_callret_trace(const struct option *opt __maybe_unused, 3415 const char *str __maybe_unused, 3416 int unset __maybe_unused) 3417 { 3418 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0); 3419 itrace_parse_synth_opts(opt, "crewp", 0); 3420 symbol_conf.nanosecs = true; 3421 return 0; 3422 } 3423 3424 int cmd_script(int argc, const char **argv) 3425 { 3426 bool show_full_info = false; 3427 bool header = false; 3428 bool header_only = false; 3429 bool script_started = false; 3430 char *rec_script_path = NULL; 3431 char *rep_script_path = NULL; 3432 struct perf_session *session; 3433 struct itrace_synth_opts itrace_synth_opts = { 3434 .set = false, 3435 .default_no_sample = true, 3436 }; 3437 struct utsname uts; 3438 char *script_path = NULL; 3439 const char **__argv; 3440 int i, j, err = 0; 3441 struct perf_script script = { 3442 .tool = { 3443 .sample = process_sample_event, 3444 .mmap = perf_event__process_mmap, 3445 .mmap2 = perf_event__process_mmap2, 3446 .comm = perf_event__process_comm, 3447 .namespaces = perf_event__process_namespaces, 3448 .cgroup = perf_event__process_cgroup, 3449 .exit = perf_event__process_exit, 3450 .fork = perf_event__process_fork, 3451 .attr = process_attr, 3452 .event_update = perf_event__process_event_update, 3453 .tracing_data = perf_event__process_tracing_data, 3454 .feature = process_feature_event, 3455 .build_id = perf_event__process_build_id, 3456 .id_index = perf_event__process_id_index, 3457 .auxtrace_info = perf_script__process_auxtrace_info, 3458 .auxtrace = perf_event__process_auxtrace, 3459 .auxtrace_error = perf_event__process_auxtrace_error, 3460 .stat = perf_event__process_stat_event, 3461 .stat_round = process_stat_round_event, 3462 .stat_config = process_stat_config_event, 3463 .thread_map = process_thread_map_event, 3464 .cpu_map = process_cpu_map_event, 3465 .ordered_events = true, 3466 .ordering_requires_timestamps = true, 3467 }, 3468 }; 3469 struct perf_data data = { 3470 .mode = PERF_DATA_MODE_READ, 3471 }; 3472 const struct option options[] = { 3473 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 3474 "dump raw trace in ASCII"), 3475 OPT_INCR('v', "verbose", &verbose, 3476 "be more verbose (show symbol address, etc)"), 3477 OPT_BOOLEAN('L', "Latency", &latency_format, 3478 "show latency attributes (irqs/preemption disabled, etc)"), 3479 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", 3480 list_available_scripts), 3481 OPT_CALLBACK('s', "script", NULL, "name", 3482 "script file name (lang:script name, script name, or *)", 3483 parse_scriptname), 3484 OPT_STRING('g', "gen-script", &generate_script_lang, "lang", 3485 "generate perf-script.xx script in specified language"), 3486 OPT_STRING('i', "input", &input_name, "file", "input file name"), 3487 OPT_BOOLEAN('d', "debug-mode", &debug_mode, 3488 "do various checks like samples ordering and lost events"), 3489 OPT_BOOLEAN(0, "header", &header, "Show data header."), 3490 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."), 3491 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 3492 "file", "vmlinux pathname"), 3493 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 3494 "file", "kallsyms pathname"), 3495 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, 3496 "When printing symbols do not display call chain"), 3497 OPT_CALLBACK(0, "symfs", NULL, "directory", 3498 "Look for files with symbols relative to this directory", 3499 symbol__config_symfs), 3500 OPT_CALLBACK('F', "fields", NULL, "str", 3501 "comma separated output fields prepend with 'type:'. " 3502 "+field to add and -field to remove." 3503 "Valid types: hw,sw,trace,raw,synth. " 3504 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso," 3505 "addr,symoff,srcline,period,iregs,uregs,brstack," 3506 "brstacksym,flags,bpf-output,brstackinsn,brstackoff," 3507 "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc,tod", 3508 parse_output_fields), 3509 OPT_BOOLEAN('a', "all-cpus", &system_wide, 3510 "system-wide collection from all CPUs"), 3511 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 3512 "only consider these symbols"), 3513 OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL, 3514 "Decode instructions from itrace", parse_insn_trace), 3515 OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL, 3516 "Run xed disassembler on output", parse_xed), 3517 OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL, 3518 "Decode calls from from itrace", parse_call_trace), 3519 OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL, 3520 "Decode calls and returns from itrace", parse_callret_trace), 3521 OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]", 3522 "Only print symbols and callees with --call-trace/--call-ret-trace"), 3523 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]", 3524 "Stop display of callgraph at these symbols"), 3525 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), 3526 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 3527 "only display events for these comms"), 3528 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 3529 "only consider symbols in these pids"), 3530 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 3531 "only consider symbols in these tids"), 3532 OPT_UINTEGER(0, "max-stack", &scripting_max_stack, 3533 "Set the maximum stack depth when parsing the callchain, " 3534 "anything beyond the specified depth will be ignored. " 3535 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 3536 OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"), 3537 OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"), 3538 OPT_BOOLEAN('I', "show-info", &show_full_info, 3539 "display extended information from perf.data file"), 3540 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, 3541 "Show the path of [kernel.kallsyms]"), 3542 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, 3543 "Show the fork/comm/exit events"), 3544 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, 3545 "Show the mmap events"), 3546 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events, 3547 "Show context switch events (if recorded)"), 3548 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events, 3549 "Show namespace events (if recorded)"), 3550 OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events, 3551 "Show cgroup events (if recorded)"), 3552 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events, 3553 "Show lost events (if recorded)"), 3554 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events, 3555 "Show round events (if recorded)"), 3556 OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events, 3557 "Show bpf related events (if recorded)"), 3558 OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events, 3559 "Show text poke related events (if recorded)"), 3560 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump, 3561 "Dump trace output to files named by the monitored events"), 3562 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 3563 OPT_INTEGER(0, "max-blocks", &max_blocks, 3564 "Maximum number of code blocks to dump with brstackinsn"), 3565 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, 3566 "Use 9 decimal places when displaying time"), 3567 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 3568 "Instruction Tracing options\n" ITRACE_HELP, 3569 itrace_parse_synth_opts), 3570 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 3571 "Show full source file name path for source lines"), 3572 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 3573 "Enable symbol demangling"), 3574 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 3575 "Enable kernel symbol demangling"), 3576 OPT_STRING(0, "time", &script.time_str, "str", 3577 "Time span of interest (start,stop)"), 3578 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 3579 "Show inline function"), 3580 OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory", 3581 "guest mount directory under which every guest os" 3582 " instance has a subdir"), 3583 OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name, 3584 "file", "file saving guest os vmlinux"), 3585 OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms, 3586 "file", "file saving guest os /proc/kallsyms"), 3587 OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules, 3588 "file", "file saving guest os /proc/modules"), 3589 OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr, 3590 "Enable LBR callgraph stitching approach"), 3591 OPTS_EVSWITCH(&script.evswitch), 3592 OPT_END() 3593 }; 3594 const char * const script_subcommands[] = { "record", "report", NULL }; 3595 const char *script_usage[] = { 3596 "perf script [<options>]", 3597 "perf script [<options>] record <script> [<record-options>] <command>", 3598 "perf script [<options>] report <script> [script-args]", 3599 "perf script [<options>] <script> [<record-options>] <command>", 3600 "perf script [<options>] <top-script> [script-args]", 3601 NULL 3602 }; 3603 3604 perf_set_singlethreaded(); 3605 3606 setup_scripting(); 3607 3608 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage, 3609 PARSE_OPT_STOP_AT_NON_OPTION); 3610 3611 if (symbol_conf.guestmount || 3612 symbol_conf.default_guest_vmlinux_name || 3613 symbol_conf.default_guest_kallsyms || 3614 symbol_conf.default_guest_modules) { 3615 /* 3616 * Enable guest sample processing. 3617 */ 3618 perf_guest = true; 3619 } 3620 3621 data.path = input_name; 3622 data.force = symbol_conf.force; 3623 3624 if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) { 3625 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); 3626 if (!rec_script_path) 3627 return cmd_record(argc, argv); 3628 } 3629 3630 if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) { 3631 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); 3632 if (!rep_script_path) { 3633 fprintf(stderr, 3634 "Please specify a valid report script" 3635 "(see 'perf script -l' for listing)\n"); 3636 return -1; 3637 } 3638 } 3639 3640 if (reltime && deltatime) { 3641 fprintf(stderr, 3642 "reltime and deltatime - the two don't get along well. " 3643 "Please limit to --reltime or --deltatime.\n"); 3644 return -1; 3645 } 3646 3647 if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) && 3648 itrace_synth_opts.callchain_sz > scripting_max_stack) 3649 scripting_max_stack = itrace_synth_opts.callchain_sz; 3650 3651 /* make sure PERF_EXEC_PATH is set for scripts */ 3652 set_argv_exec_path(get_argv_exec_path()); 3653 3654 if (argc && !script_name && !rec_script_path && !rep_script_path) { 3655 int live_pipe[2]; 3656 int rep_args; 3657 pid_t pid; 3658 3659 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); 3660 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); 3661 3662 if (!rec_script_path && !rep_script_path) { 3663 usage_with_options_msg(script_usage, options, 3664 "Couldn't find script `%s'\n\n See perf" 3665 " script -l for available scripts.\n", argv[0]); 3666 } 3667 3668 if (is_top_script(argv[0])) { 3669 rep_args = argc - 1; 3670 } else { 3671 int rec_args; 3672 3673 rep_args = has_required_arg(rep_script_path); 3674 rec_args = (argc - 1) - rep_args; 3675 if (rec_args < 0) { 3676 usage_with_options_msg(script_usage, options, 3677 "`%s' script requires options." 3678 "\n\n See perf script -l for available " 3679 "scripts and options.\n", argv[0]); 3680 } 3681 } 3682 3683 if (pipe(live_pipe) < 0) { 3684 perror("failed to create pipe"); 3685 return -1; 3686 } 3687 3688 pid = fork(); 3689 if (pid < 0) { 3690 perror("failed to fork"); 3691 return -1; 3692 } 3693 3694 if (!pid) { 3695 j = 0; 3696 3697 dup2(live_pipe[1], 1); 3698 close(live_pipe[0]); 3699 3700 if (is_top_script(argv[0])) { 3701 system_wide = true; 3702 } else if (!system_wide) { 3703 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { 3704 err = -1; 3705 goto out; 3706 } 3707 } 3708 3709 __argv = malloc((argc + 6) * sizeof(const char *)); 3710 if (!__argv) { 3711 pr_err("malloc failed\n"); 3712 err = -ENOMEM; 3713 goto out; 3714 } 3715 3716 __argv[j++] = "/bin/sh"; 3717 __argv[j++] = rec_script_path; 3718 if (system_wide) 3719 __argv[j++] = "-a"; 3720 __argv[j++] = "-q"; 3721 __argv[j++] = "-o"; 3722 __argv[j++] = "-"; 3723 for (i = rep_args + 1; i < argc; i++) 3724 __argv[j++] = argv[i]; 3725 __argv[j++] = NULL; 3726 3727 execvp("/bin/sh", (char **)__argv); 3728 free(__argv); 3729 exit(-1); 3730 } 3731 3732 dup2(live_pipe[0], 0); 3733 close(live_pipe[1]); 3734 3735 __argv = malloc((argc + 4) * sizeof(const char *)); 3736 if (!__argv) { 3737 pr_err("malloc failed\n"); 3738 err = -ENOMEM; 3739 goto out; 3740 } 3741 3742 j = 0; 3743 __argv[j++] = "/bin/sh"; 3744 __argv[j++] = rep_script_path; 3745 for (i = 1; i < rep_args + 1; i++) 3746 __argv[j++] = argv[i]; 3747 __argv[j++] = "-i"; 3748 __argv[j++] = "-"; 3749 __argv[j++] = NULL; 3750 3751 execvp("/bin/sh", (char **)__argv); 3752 free(__argv); 3753 exit(-1); 3754 } 3755 3756 if (rec_script_path) 3757 script_path = rec_script_path; 3758 if (rep_script_path) 3759 script_path = rep_script_path; 3760 3761 if (script_path) { 3762 j = 0; 3763 3764 if (!rec_script_path) 3765 system_wide = false; 3766 else if (!system_wide) { 3767 if (have_cmd(argc - 1, &argv[1]) != 0) { 3768 err = -1; 3769 goto out; 3770 } 3771 } 3772 3773 __argv = malloc((argc + 2) * sizeof(const char *)); 3774 if (!__argv) { 3775 pr_err("malloc failed\n"); 3776 err = -ENOMEM; 3777 goto out; 3778 } 3779 3780 __argv[j++] = "/bin/sh"; 3781 __argv[j++] = script_path; 3782 if (system_wide) 3783 __argv[j++] = "-a"; 3784 for (i = 2; i < argc; i++) 3785 __argv[j++] = argv[i]; 3786 __argv[j++] = NULL; 3787 3788 execvp("/bin/sh", (char **)__argv); 3789 free(__argv); 3790 exit(-1); 3791 } 3792 3793 if (!script_name) { 3794 setup_pager(); 3795 use_browser = 0; 3796 } 3797 3798 session = perf_session__new(&data, false, &script.tool); 3799 if (IS_ERR(session)) 3800 return PTR_ERR(session); 3801 3802 if (header || header_only) { 3803 script.tool.show_feat_hdr = SHOW_FEAT_HEADER; 3804 perf_session__fprintf_info(session, stdout, show_full_info); 3805 if (header_only) 3806 goto out_delete; 3807 } 3808 if (show_full_info) 3809 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 3810 3811 if (symbol__init(&session->header.env) < 0) 3812 goto out_delete; 3813 3814 uname(&uts); 3815 if (data.is_pipe || /* assume pipe_mode indicates native_arch */ 3816 !strcmp(uts.machine, session->header.env.arch) || 3817 (!strcmp(uts.machine, "x86_64") && 3818 !strcmp(session->header.env.arch, "i386"))) 3819 native_arch = true; 3820 3821 script.session = session; 3822 script__setup_sample_type(&script); 3823 3824 if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) || 3825 symbol_conf.graph_function) 3826 itrace_synth_opts.thread_stack = true; 3827 3828 session->itrace_synth_opts = &itrace_synth_opts; 3829 3830 if (cpu_list) { 3831 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap); 3832 if (err < 0) 3833 goto out_delete; 3834 itrace_synth_opts.cpu_bitmap = cpu_bitmap; 3835 } 3836 3837 if (!no_callchain) 3838 symbol_conf.use_callchain = true; 3839 else 3840 symbol_conf.use_callchain = false; 3841 3842 if (session->tevent.pevent && 3843 tep_set_function_resolver(session->tevent.pevent, 3844 machine__resolve_kernel_addr, 3845 &session->machines.host) < 0) { 3846 pr_err("%s: failed to set libtraceevent function resolver\n", __func__); 3847 err = -1; 3848 goto out_delete; 3849 } 3850 3851 if (generate_script_lang) { 3852 struct stat perf_stat; 3853 int input; 3854 3855 if (output_set_by_user()) { 3856 fprintf(stderr, 3857 "custom fields not supported for generated scripts"); 3858 err = -EINVAL; 3859 goto out_delete; 3860 } 3861 3862 input = open(data.path, O_RDONLY); /* input_name */ 3863 if (input < 0) { 3864 err = -errno; 3865 perror("failed to open file"); 3866 goto out_delete; 3867 } 3868 3869 err = fstat(input, &perf_stat); 3870 if (err < 0) { 3871 perror("failed to stat file"); 3872 goto out_delete; 3873 } 3874 3875 if (!perf_stat.st_size) { 3876 fprintf(stderr, "zero-sized file, nothing to do!\n"); 3877 goto out_delete; 3878 } 3879 3880 scripting_ops = script_spec__lookup(generate_script_lang); 3881 if (!scripting_ops) { 3882 fprintf(stderr, "invalid language specifier"); 3883 err = -ENOENT; 3884 goto out_delete; 3885 } 3886 3887 err = scripting_ops->generate_script(session->tevent.pevent, 3888 "perf-script"); 3889 goto out_delete; 3890 } 3891 3892 if (script_name) { 3893 err = scripting_ops->start_script(script_name, argc, argv); 3894 if (err) 3895 goto out_delete; 3896 pr_debug("perf script started with script %s\n\n", script_name); 3897 script_started = true; 3898 } 3899 3900 3901 err = perf_session__check_output_opt(session); 3902 if (err < 0) 3903 goto out_delete; 3904 3905 if (script.time_str) { 3906 err = perf_time__parse_for_ranges_reltime(script.time_str, session, 3907 &script.ptime_range, 3908 &script.range_size, 3909 &script.range_num, 3910 reltime); 3911 if (err < 0) 3912 goto out_delete; 3913 3914 itrace_synth_opts__set_time_range(&itrace_synth_opts, 3915 script.ptime_range, 3916 script.range_num); 3917 } 3918 3919 err = evswitch__init(&script.evswitch, session->evlist, stderr); 3920 if (err) 3921 goto out_delete; 3922 3923 if (zstd_init(&(session->zstd_data), 0) < 0) 3924 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n"); 3925 3926 err = __cmd_script(&script); 3927 3928 flush_scripting(); 3929 3930 out_delete: 3931 if (script.ptime_range) { 3932 itrace_synth_opts__clear_time_range(&itrace_synth_opts); 3933 zfree(&script.ptime_range); 3934 } 3935 3936 perf_evlist__free_stats(session->evlist); 3937 perf_session__delete(session); 3938 3939 if (script_started) 3940 cleanup_scripting(); 3941 out: 3942 return err; 3943 } 3944