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 "util/event.h" 34 #include "ui/ui.h" 35 #include "print_binary.h" 36 #include "archinsn.h" 37 #include <linux/bitmap.h> 38 #include <linux/kernel.h> 39 #include <linux/stringify.h> 40 #include <linux/time64.h> 41 #include <linux/zalloc.h> 42 #include <sys/utsname.h> 43 #include "asm/bug.h" 44 #include "util/mem-events.h" 45 #include "util/dump-insn.h" 46 #include <dirent.h> 47 #include <errno.h> 48 #include <inttypes.h> 49 #include <signal.h> 50 #include <sys/param.h> 51 #include <sys/types.h> 52 #include <sys/stat.h> 53 #include <fcntl.h> 54 #include <unistd.h> 55 #include <subcmd/pager.h> 56 #include <perf/evlist.h> 57 #include <linux/err.h> 58 #include "util/record.h" 59 #include "util/util.h" 60 #include "perf.h" 61 62 #include <linux/ctype.h> 63 64 static char const *script_name; 65 static char const *generate_script_lang; 66 static bool reltime; 67 static bool deltatime; 68 static u64 initial_time; 69 static u64 previous_time; 70 static bool debug_mode; 71 static u64 last_timestamp; 72 static u64 nr_unordered; 73 static bool no_callchain; 74 static bool latency_format; 75 static bool system_wide; 76 static bool print_flags; 77 static const char *cpu_list; 78 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); 79 static struct perf_stat_config stat_config; 80 static int max_blocks; 81 static bool native_arch; 82 83 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH; 84 85 enum perf_output_field { 86 PERF_OUTPUT_COMM = 1ULL << 0, 87 PERF_OUTPUT_TID = 1ULL << 1, 88 PERF_OUTPUT_PID = 1ULL << 2, 89 PERF_OUTPUT_TIME = 1ULL << 3, 90 PERF_OUTPUT_CPU = 1ULL << 4, 91 PERF_OUTPUT_EVNAME = 1ULL << 5, 92 PERF_OUTPUT_TRACE = 1ULL << 6, 93 PERF_OUTPUT_IP = 1ULL << 7, 94 PERF_OUTPUT_SYM = 1ULL << 8, 95 PERF_OUTPUT_DSO = 1ULL << 9, 96 PERF_OUTPUT_ADDR = 1ULL << 10, 97 PERF_OUTPUT_SYMOFFSET = 1ULL << 11, 98 PERF_OUTPUT_SRCLINE = 1ULL << 12, 99 PERF_OUTPUT_PERIOD = 1ULL << 13, 100 PERF_OUTPUT_IREGS = 1ULL << 14, 101 PERF_OUTPUT_BRSTACK = 1ULL << 15, 102 PERF_OUTPUT_BRSTACKSYM = 1ULL << 16, 103 PERF_OUTPUT_DATA_SRC = 1ULL << 17, 104 PERF_OUTPUT_WEIGHT = 1ULL << 18, 105 PERF_OUTPUT_BPF_OUTPUT = 1ULL << 19, 106 PERF_OUTPUT_CALLINDENT = 1ULL << 20, 107 PERF_OUTPUT_INSN = 1ULL << 21, 108 PERF_OUTPUT_INSNLEN = 1ULL << 22, 109 PERF_OUTPUT_BRSTACKINSN = 1ULL << 23, 110 PERF_OUTPUT_BRSTACKOFF = 1ULL << 24, 111 PERF_OUTPUT_SYNTH = 1ULL << 25, 112 PERF_OUTPUT_PHYS_ADDR = 1ULL << 26, 113 PERF_OUTPUT_UREGS = 1ULL << 27, 114 PERF_OUTPUT_METRIC = 1ULL << 28, 115 PERF_OUTPUT_MISC = 1ULL << 29, 116 PERF_OUTPUT_SRCCODE = 1ULL << 30, 117 PERF_OUTPUT_IPC = 1ULL << 31, 118 PERF_OUTPUT_TOD = 1ULL << 32, 119 PERF_OUTPUT_DATA_PAGE_SIZE = 1ULL << 33, 120 }; 121 122 struct perf_script { 123 struct perf_tool tool; 124 struct perf_session *session; 125 bool show_task_events; 126 bool show_mmap_events; 127 bool show_switch_events; 128 bool show_namespace_events; 129 bool show_lost_events; 130 bool show_round_events; 131 bool show_bpf_events; 132 bool show_cgroup_events; 133 bool show_text_poke_events; 134 bool allocated; 135 bool per_event_dump; 136 bool stitch_lbr; 137 struct evswitch evswitch; 138 struct perf_cpu_map *cpus; 139 struct perf_thread_map *threads; 140 int name_width; 141 const char *time_str; 142 struct perf_time_interval *ptime_range; 143 int range_size; 144 int range_num; 145 }; 146 147 struct output_option { 148 const char *str; 149 enum perf_output_field field; 150 } all_output_options[] = { 151 {.str = "comm", .field = PERF_OUTPUT_COMM}, 152 {.str = "tid", .field = PERF_OUTPUT_TID}, 153 {.str = "pid", .field = PERF_OUTPUT_PID}, 154 {.str = "time", .field = PERF_OUTPUT_TIME}, 155 {.str = "cpu", .field = PERF_OUTPUT_CPU}, 156 {.str = "event", .field = PERF_OUTPUT_EVNAME}, 157 {.str = "trace", .field = PERF_OUTPUT_TRACE}, 158 {.str = "ip", .field = PERF_OUTPUT_IP}, 159 {.str = "sym", .field = PERF_OUTPUT_SYM}, 160 {.str = "dso", .field = PERF_OUTPUT_DSO}, 161 {.str = "addr", .field = PERF_OUTPUT_ADDR}, 162 {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET}, 163 {.str = "srcline", .field = PERF_OUTPUT_SRCLINE}, 164 {.str = "period", .field = PERF_OUTPUT_PERIOD}, 165 {.str = "iregs", .field = PERF_OUTPUT_IREGS}, 166 {.str = "uregs", .field = PERF_OUTPUT_UREGS}, 167 {.str = "brstack", .field = PERF_OUTPUT_BRSTACK}, 168 {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM}, 169 {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC}, 170 {.str = "weight", .field = PERF_OUTPUT_WEIGHT}, 171 {.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT}, 172 {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT}, 173 {.str = "insn", .field = PERF_OUTPUT_INSN}, 174 {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN}, 175 {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN}, 176 {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF}, 177 {.str = "synth", .field = PERF_OUTPUT_SYNTH}, 178 {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR}, 179 {.str = "metric", .field = PERF_OUTPUT_METRIC}, 180 {.str = "misc", .field = PERF_OUTPUT_MISC}, 181 {.str = "srccode", .field = PERF_OUTPUT_SRCCODE}, 182 {.str = "ipc", .field = PERF_OUTPUT_IPC}, 183 {.str = "tod", .field = PERF_OUTPUT_TOD}, 184 {.str = "data_page_size", .field = PERF_OUTPUT_DATA_PAGE_SIZE}, 185 }; 186 187 enum { 188 OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX, 189 OUTPUT_TYPE_MAX 190 }; 191 192 /* default set to maintain compatibility with current format */ 193 static struct { 194 bool user_set; 195 bool wildcard_set; 196 unsigned int print_ip_opts; 197 u64 fields; 198 u64 invalid_fields; 199 u64 user_set_fields; 200 u64 user_unset_fields; 201 } output[OUTPUT_TYPE_MAX] = { 202 203 [PERF_TYPE_HARDWARE] = { 204 .user_set = false, 205 206 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 207 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 208 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 209 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 210 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 211 212 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 213 }, 214 215 [PERF_TYPE_SOFTWARE] = { 216 .user_set = false, 217 218 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 219 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 220 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 221 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 222 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 223 PERF_OUTPUT_BPF_OUTPUT, 224 225 .invalid_fields = PERF_OUTPUT_TRACE, 226 }, 227 228 [PERF_TYPE_TRACEPOINT] = { 229 .user_set = false, 230 231 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 232 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 233 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE 234 }, 235 236 [PERF_TYPE_HW_CACHE] = { 237 .user_set = false, 238 239 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 240 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 241 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 242 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 243 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 244 245 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 246 }, 247 248 [PERF_TYPE_RAW] = { 249 .user_set = false, 250 251 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 252 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 253 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 254 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 255 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 256 PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC | 257 PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR | 258 PERF_OUTPUT_DATA_PAGE_SIZE, 259 260 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 261 }, 262 263 [PERF_TYPE_BREAKPOINT] = { 264 .user_set = false, 265 266 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 267 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 268 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 269 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 270 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 271 272 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 273 }, 274 275 [OUTPUT_TYPE_SYNTH] = { 276 .user_set = false, 277 278 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 279 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 280 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 281 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 282 PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH, 283 284 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 285 }, 286 }; 287 288 struct evsel_script { 289 char *filename; 290 FILE *fp; 291 u64 samples; 292 /* For metric output */ 293 u64 val; 294 int gnum; 295 }; 296 297 static inline struct evsel_script *evsel_script(struct evsel *evsel) 298 { 299 return (struct evsel_script *)evsel->priv; 300 } 301 302 static struct evsel_script *perf_evsel_script__new(struct evsel *evsel, 303 struct perf_data *data) 304 { 305 struct evsel_script *es = zalloc(sizeof(*es)); 306 307 if (es != NULL) { 308 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0) 309 goto out_free; 310 es->fp = fopen(es->filename, "w"); 311 if (es->fp == NULL) 312 goto out_free_filename; 313 } 314 315 return es; 316 out_free_filename: 317 zfree(&es->filename); 318 out_free: 319 free(es); 320 return NULL; 321 } 322 323 static void perf_evsel_script__delete(struct evsel_script *es) 324 { 325 zfree(&es->filename); 326 fclose(es->fp); 327 es->fp = NULL; 328 free(es); 329 } 330 331 static int perf_evsel_script__fprintf(struct evsel_script *es, FILE *fp) 332 { 333 struct stat st; 334 335 fstat(fileno(es->fp), &st); 336 return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n", 337 st.st_size / 1024.0 / 1024.0, es->filename, es->samples); 338 } 339 340 static inline int output_type(unsigned int type) 341 { 342 switch (type) { 343 case PERF_TYPE_SYNTH: 344 return OUTPUT_TYPE_SYNTH; 345 default: 346 return type; 347 } 348 } 349 350 static inline unsigned int attr_type(unsigned int type) 351 { 352 switch (type) { 353 case OUTPUT_TYPE_SYNTH: 354 return PERF_TYPE_SYNTH; 355 default: 356 return type; 357 } 358 } 359 360 static bool output_set_by_user(void) 361 { 362 int j; 363 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 364 if (output[j].user_set) 365 return true; 366 } 367 return false; 368 } 369 370 static const char *output_field2str(enum perf_output_field field) 371 { 372 int i, imax = ARRAY_SIZE(all_output_options); 373 const char *str = ""; 374 375 for (i = 0; i < imax; ++i) { 376 if (all_output_options[i].field == field) { 377 str = all_output_options[i].str; 378 break; 379 } 380 } 381 return str; 382 } 383 384 #define PRINT_FIELD(x) (output[output_type(attr->type)].fields & PERF_OUTPUT_##x) 385 386 static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg, 387 enum perf_output_field field, bool allow_user_set) 388 { 389 struct perf_event_attr *attr = &evsel->core.attr; 390 int type = output_type(attr->type); 391 const char *evname; 392 393 if (attr->sample_type & sample_type) 394 return 0; 395 396 if (output[type].user_set_fields & field) { 397 if (allow_user_set) 398 return 0; 399 evname = evsel__name(evsel); 400 pr_err("Samples for '%s' event do not have %s attribute set. " 401 "Cannot print '%s' field.\n", 402 evname, sample_msg, output_field2str(field)); 403 return -1; 404 } 405 406 /* user did not ask for it explicitly so remove from the default list */ 407 output[type].fields &= ~field; 408 evname = evsel__name(evsel); 409 pr_debug("Samples for '%s' event do not have %s attribute set. " 410 "Skipping '%s' field.\n", 411 evname, sample_msg, output_field2str(field)); 412 413 return 0; 414 } 415 416 static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg, 417 enum perf_output_field field) 418 { 419 return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false); 420 } 421 422 static int evsel__check_attr(struct evsel *evsel, struct perf_session *session) 423 { 424 struct perf_event_attr *attr = &evsel->core.attr; 425 bool allow_user_set; 426 427 if (perf_header__has_feat(&session->header, HEADER_STAT)) 428 return 0; 429 430 allow_user_set = perf_header__has_feat(&session->header, 431 HEADER_AUXTRACE); 432 433 if (PRINT_FIELD(TRACE) && 434 !perf_session__has_traces(session, "record -R")) 435 return -EINVAL; 436 437 if (PRINT_FIELD(IP)) { 438 if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP)) 439 return -EINVAL; 440 } 441 442 if (PRINT_FIELD(ADDR) && 443 evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set)) 444 return -EINVAL; 445 446 if (PRINT_FIELD(DATA_SRC) && 447 evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC)) 448 return -EINVAL; 449 450 if (PRINT_FIELD(WEIGHT) && 451 evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT", PERF_OUTPUT_WEIGHT)) 452 return -EINVAL; 453 454 if (PRINT_FIELD(SYM) && 455 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 456 pr_err("Display of symbols requested but neither sample IP nor " 457 "sample address\navailable. Hence, no addresses to convert " 458 "to symbols.\n"); 459 return -EINVAL; 460 } 461 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) { 462 pr_err("Display of offsets requested but symbol is not" 463 "selected.\n"); 464 return -EINVAL; 465 } 466 if (PRINT_FIELD(DSO) && 467 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 468 pr_err("Display of DSO requested but no address to convert.\n"); 469 return -EINVAL; 470 } 471 if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) { 472 pr_err("Display of source line number requested but sample IP is not\n" 473 "selected. Hence, no address to lookup the source line number.\n"); 474 return -EINVAL; 475 } 476 if (PRINT_FIELD(BRSTACKINSN) && !allow_user_set && 477 !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) { 478 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n" 479 "Hint: run 'perf record -b ...'\n"); 480 return -EINVAL; 481 } 482 if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) && 483 evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID)) 484 return -EINVAL; 485 486 if (PRINT_FIELD(TIME) && 487 evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME)) 488 return -EINVAL; 489 490 if (PRINT_FIELD(CPU) && 491 evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set)) 492 return -EINVAL; 493 494 if (PRINT_FIELD(IREGS) && 495 evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set)) 496 return -EINVAL; 497 498 if (PRINT_FIELD(UREGS) && 499 evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS)) 500 return -EINVAL; 501 502 if (PRINT_FIELD(PHYS_ADDR) && 503 evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR)) 504 return -EINVAL; 505 506 if (PRINT_FIELD(DATA_PAGE_SIZE) && 507 evsel__check_stype(evsel, PERF_SAMPLE_DATA_PAGE_SIZE, "DATA_PAGE_SIZE", PERF_OUTPUT_DATA_PAGE_SIZE)) 508 return -EINVAL; 509 510 return 0; 511 } 512 513 static void set_print_ip_opts(struct perf_event_attr *attr) 514 { 515 unsigned int type = output_type(attr->type); 516 517 output[type].print_ip_opts = 0; 518 if (PRINT_FIELD(IP)) 519 output[type].print_ip_opts |= EVSEL__PRINT_IP; 520 521 if (PRINT_FIELD(SYM)) 522 output[type].print_ip_opts |= EVSEL__PRINT_SYM; 523 524 if (PRINT_FIELD(DSO)) 525 output[type].print_ip_opts |= EVSEL__PRINT_DSO; 526 527 if (PRINT_FIELD(SYMOFFSET)) 528 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET; 529 530 if (PRINT_FIELD(SRCLINE)) 531 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE; 532 } 533 534 /* 535 * verify all user requested events exist and the samples 536 * have the expected data 537 */ 538 static int perf_session__check_output_opt(struct perf_session *session) 539 { 540 bool tod = false; 541 unsigned int j; 542 struct evsel *evsel; 543 544 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 545 evsel = perf_session__find_first_evtype(session, attr_type(j)); 546 547 /* 548 * even if fields is set to 0 (ie., show nothing) event must 549 * exist if user explicitly includes it on the command line 550 */ 551 if (!evsel && output[j].user_set && !output[j].wildcard_set && 552 j != OUTPUT_TYPE_SYNTH) { 553 pr_err("%s events do not exist. " 554 "Remove corresponding -F option to proceed.\n", 555 event_type(j)); 556 return -1; 557 } 558 559 if (evsel && output[j].fields && 560 evsel__check_attr(evsel, session)) 561 return -1; 562 563 if (evsel == NULL) 564 continue; 565 566 set_print_ip_opts(&evsel->core.attr); 567 tod |= output[j].fields & PERF_OUTPUT_TOD; 568 } 569 570 if (!no_callchain) { 571 bool use_callchain = false; 572 bool not_pipe = false; 573 574 evlist__for_each_entry(session->evlist, evsel) { 575 not_pipe = true; 576 if (evsel__has_callchain(evsel)) { 577 use_callchain = true; 578 break; 579 } 580 } 581 if (not_pipe && !use_callchain) 582 symbol_conf.use_callchain = false; 583 } 584 585 /* 586 * set default for tracepoints to print symbols only 587 * if callchains are present 588 */ 589 if (symbol_conf.use_callchain && 590 !output[PERF_TYPE_TRACEPOINT].user_set) { 591 j = PERF_TYPE_TRACEPOINT; 592 593 evlist__for_each_entry(session->evlist, evsel) { 594 if (evsel->core.attr.type != j) 595 continue; 596 597 if (evsel__has_callchain(evsel)) { 598 output[j].fields |= PERF_OUTPUT_IP; 599 output[j].fields |= PERF_OUTPUT_SYM; 600 output[j].fields |= PERF_OUTPUT_SYMOFFSET; 601 output[j].fields |= PERF_OUTPUT_DSO; 602 set_print_ip_opts(&evsel->core.attr); 603 goto out; 604 } 605 } 606 } 607 608 if (tod && !session->header.env.clock.enabled) { 609 pr_err("Can't provide 'tod' time, missing clock data. " 610 "Please record with -k/--clockid option.\n"); 611 return -1; 612 } 613 out: 614 return 0; 615 } 616 617 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask, 618 FILE *fp) 619 { 620 unsigned i = 0, r; 621 int printed = 0; 622 623 if (!regs || !regs->regs) 624 return 0; 625 626 printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi); 627 628 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) { 629 u64 val = regs->regs[i++]; 630 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val); 631 } 632 633 return printed; 634 } 635 636 #define DEFAULT_TOD_FMT "%F %H:%M:%S" 637 638 static char* 639 tod_scnprintf(struct perf_script *script, char *buf, int buflen, 640 u64 timestamp) 641 { 642 u64 tod_ns, clockid_ns; 643 struct perf_env *env; 644 unsigned long nsec; 645 struct tm ltime; 646 char date[64]; 647 time_t sec; 648 649 buf[0] = '\0'; 650 if (buflen < 64 || !script) 651 return buf; 652 653 env = &script->session->header.env; 654 if (!env->clock.enabled) { 655 scnprintf(buf, buflen, "disabled"); 656 return buf; 657 } 658 659 clockid_ns = env->clock.clockid_ns; 660 tod_ns = env->clock.tod_ns; 661 662 if (timestamp > clockid_ns) 663 tod_ns += timestamp - clockid_ns; 664 else 665 tod_ns -= clockid_ns - timestamp; 666 667 sec = (time_t) (tod_ns / NSEC_PER_SEC); 668 nsec = tod_ns - sec * NSEC_PER_SEC; 669 670 if (localtime_r(&sec, <ime) == NULL) { 671 scnprintf(buf, buflen, "failed"); 672 } else { 673 strftime(date, sizeof(date), DEFAULT_TOD_FMT, <ime); 674 675 if (symbol_conf.nanosecs) { 676 snprintf(buf, buflen, "%s.%09lu", date, nsec); 677 } else { 678 snprintf(buf, buflen, "%s.%06lu", 679 date, nsec / NSEC_PER_USEC); 680 } 681 } 682 683 return buf; 684 } 685 686 static int perf_sample__fprintf_iregs(struct perf_sample *sample, 687 struct perf_event_attr *attr, FILE *fp) 688 { 689 return perf_sample__fprintf_regs(&sample->intr_regs, 690 attr->sample_regs_intr, fp); 691 } 692 693 static int perf_sample__fprintf_uregs(struct perf_sample *sample, 694 struct perf_event_attr *attr, FILE *fp) 695 { 696 return perf_sample__fprintf_regs(&sample->user_regs, 697 attr->sample_regs_user, fp); 698 } 699 700 static int perf_sample__fprintf_start(struct perf_script *script, 701 struct perf_sample *sample, 702 struct thread *thread, 703 struct evsel *evsel, 704 u32 type, FILE *fp) 705 { 706 struct perf_event_attr *attr = &evsel->core.attr; 707 unsigned long secs; 708 unsigned long long nsecs; 709 int printed = 0; 710 char tstr[128]; 711 712 if (PRINT_FIELD(COMM)) { 713 const char *comm = thread ? thread__comm_str(thread) : ":-1"; 714 715 if (latency_format) 716 printed += fprintf(fp, "%8.8s ", comm); 717 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain) 718 printed += fprintf(fp, "%s ", comm); 719 else 720 printed += fprintf(fp, "%16s ", comm); 721 } 722 723 if (PRINT_FIELD(PID) && PRINT_FIELD(TID)) 724 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid); 725 else if (PRINT_FIELD(PID)) 726 printed += fprintf(fp, "%5d ", sample->pid); 727 else if (PRINT_FIELD(TID)) 728 printed += fprintf(fp, "%5d ", sample->tid); 729 730 if (PRINT_FIELD(CPU)) { 731 if (latency_format) 732 printed += fprintf(fp, "%3d ", sample->cpu); 733 else 734 printed += fprintf(fp, "[%03d] ", sample->cpu); 735 } 736 737 if (PRINT_FIELD(MISC)) { 738 int ret = 0; 739 740 #define has(m) \ 741 (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m 742 743 if (has(KERNEL)) 744 ret += fprintf(fp, "K"); 745 if (has(USER)) 746 ret += fprintf(fp, "U"); 747 if (has(HYPERVISOR)) 748 ret += fprintf(fp, "H"); 749 if (has(GUEST_KERNEL)) 750 ret += fprintf(fp, "G"); 751 if (has(GUEST_USER)) 752 ret += fprintf(fp, "g"); 753 754 switch (type) { 755 case PERF_RECORD_MMAP: 756 case PERF_RECORD_MMAP2: 757 if (has(MMAP_DATA)) 758 ret += fprintf(fp, "M"); 759 break; 760 case PERF_RECORD_COMM: 761 if (has(COMM_EXEC)) 762 ret += fprintf(fp, "E"); 763 break; 764 case PERF_RECORD_SWITCH: 765 case PERF_RECORD_SWITCH_CPU_WIDE: 766 if (has(SWITCH_OUT)) { 767 ret += fprintf(fp, "S"); 768 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT) 769 ret += fprintf(fp, "p"); 770 } 771 default: 772 break; 773 } 774 775 #undef has 776 777 ret += fprintf(fp, "%*s", 6 - ret, " "); 778 printed += ret; 779 } 780 781 if (PRINT_FIELD(TOD)) { 782 tod_scnprintf(script, tstr, sizeof(tstr), sample->time); 783 printed += fprintf(fp, "%s ", tstr); 784 } 785 786 if (PRINT_FIELD(TIME)) { 787 u64 t = sample->time; 788 if (reltime) { 789 if (!initial_time) 790 initial_time = sample->time; 791 t = sample->time - initial_time; 792 } else if (deltatime) { 793 if (previous_time) 794 t = sample->time - previous_time; 795 else { 796 t = 0; 797 } 798 previous_time = sample->time; 799 } 800 nsecs = t; 801 secs = nsecs / NSEC_PER_SEC; 802 nsecs -= secs * NSEC_PER_SEC; 803 804 if (symbol_conf.nanosecs) 805 printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs); 806 else { 807 char sample_time[32]; 808 timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time)); 809 printed += fprintf(fp, "%12s: ", sample_time); 810 } 811 } 812 813 return printed; 814 } 815 816 static inline char 817 mispred_str(struct branch_entry *br) 818 { 819 if (!(br->flags.mispred || br->flags.predicted)) 820 return '-'; 821 822 return br->flags.predicted ? 'P' : 'M'; 823 } 824 825 static int perf_sample__fprintf_brstack(struct perf_sample *sample, 826 struct thread *thread, 827 struct perf_event_attr *attr, FILE *fp) 828 { 829 struct branch_stack *br = sample->branch_stack; 830 struct branch_entry *entries = perf_sample__branch_entries(sample); 831 struct addr_location alf, alt; 832 u64 i, from, to; 833 int printed = 0; 834 835 if (!(br && br->nr)) 836 return 0; 837 838 for (i = 0; i < br->nr; i++) { 839 from = entries[i].from; 840 to = entries[i].to; 841 842 if (PRINT_FIELD(DSO)) { 843 memset(&alf, 0, sizeof(alf)); 844 memset(&alt, 0, sizeof(alt)); 845 thread__find_map_fb(thread, sample->cpumode, from, &alf); 846 thread__find_map_fb(thread, sample->cpumode, to, &alt); 847 } 848 849 printed += fprintf(fp, " 0x%"PRIx64, from); 850 if (PRINT_FIELD(DSO)) { 851 printed += fprintf(fp, "("); 852 printed += map__fprintf_dsoname(alf.map, fp); 853 printed += fprintf(fp, ")"); 854 } 855 856 printed += fprintf(fp, "/0x%"PRIx64, to); 857 if (PRINT_FIELD(DSO)) { 858 printed += fprintf(fp, "("); 859 printed += map__fprintf_dsoname(alt.map, fp); 860 printed += fprintf(fp, ")"); 861 } 862 863 printed += fprintf(fp, "/%c/%c/%c/%d ", 864 mispred_str(entries + i), 865 entries[i].flags.in_tx ? 'X' : '-', 866 entries[i].flags.abort ? 'A' : '-', 867 entries[i].flags.cycles); 868 } 869 870 return printed; 871 } 872 873 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample, 874 struct thread *thread, 875 struct perf_event_attr *attr, FILE *fp) 876 { 877 struct branch_stack *br = sample->branch_stack; 878 struct branch_entry *entries = perf_sample__branch_entries(sample); 879 struct addr_location alf, alt; 880 u64 i, from, to; 881 int printed = 0; 882 883 if (!(br && br->nr)) 884 return 0; 885 886 for (i = 0; i < br->nr; i++) { 887 888 memset(&alf, 0, sizeof(alf)); 889 memset(&alt, 0, sizeof(alt)); 890 from = entries[i].from; 891 to = entries[i].to; 892 893 thread__find_symbol_fb(thread, sample->cpumode, from, &alf); 894 thread__find_symbol_fb(thread, sample->cpumode, to, &alt); 895 896 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp); 897 if (PRINT_FIELD(DSO)) { 898 printed += fprintf(fp, "("); 899 printed += map__fprintf_dsoname(alf.map, fp); 900 printed += fprintf(fp, ")"); 901 } 902 printed += fprintf(fp, "%c", '/'); 903 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp); 904 if (PRINT_FIELD(DSO)) { 905 printed += fprintf(fp, "("); 906 printed += map__fprintf_dsoname(alt.map, fp); 907 printed += fprintf(fp, ")"); 908 } 909 printed += fprintf(fp, "/%c/%c/%c/%d ", 910 mispred_str(entries + i), 911 entries[i].flags.in_tx ? 'X' : '-', 912 entries[i].flags.abort ? 'A' : '-', 913 entries[i].flags.cycles); 914 } 915 916 return printed; 917 } 918 919 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample, 920 struct thread *thread, 921 struct perf_event_attr *attr, FILE *fp) 922 { 923 struct branch_stack *br = sample->branch_stack; 924 struct branch_entry *entries = perf_sample__branch_entries(sample); 925 struct addr_location alf, alt; 926 u64 i, from, to; 927 int printed = 0; 928 929 if (!(br && br->nr)) 930 return 0; 931 932 for (i = 0; i < br->nr; i++) { 933 934 memset(&alf, 0, sizeof(alf)); 935 memset(&alt, 0, sizeof(alt)); 936 from = entries[i].from; 937 to = entries[i].to; 938 939 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) && 940 !alf.map->dso->adjust_symbols) 941 from = map__map_ip(alf.map, from); 942 943 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) && 944 !alt.map->dso->adjust_symbols) 945 to = map__map_ip(alt.map, to); 946 947 printed += fprintf(fp, " 0x%"PRIx64, from); 948 if (PRINT_FIELD(DSO)) { 949 printed += fprintf(fp, "("); 950 printed += map__fprintf_dsoname(alf.map, fp); 951 printed += fprintf(fp, ")"); 952 } 953 printed += fprintf(fp, "/0x%"PRIx64, to); 954 if (PRINT_FIELD(DSO)) { 955 printed += fprintf(fp, "("); 956 printed += map__fprintf_dsoname(alt.map, fp); 957 printed += fprintf(fp, ")"); 958 } 959 printed += fprintf(fp, "/%c/%c/%c/%d ", 960 mispred_str(entries + i), 961 entries[i].flags.in_tx ? 'X' : '-', 962 entries[i].flags.abort ? 'A' : '-', 963 entries[i].flags.cycles); 964 } 965 966 return printed; 967 } 968 #define MAXBB 16384UL 969 970 static int grab_bb(u8 *buffer, u64 start, u64 end, 971 struct machine *machine, struct thread *thread, 972 bool *is64bit, u8 *cpumode, bool last) 973 { 974 long offset, len; 975 struct addr_location al; 976 bool kernel; 977 978 if (!start || !end) 979 return 0; 980 981 kernel = machine__kernel_ip(machine, start); 982 if (kernel) 983 *cpumode = PERF_RECORD_MISC_KERNEL; 984 else 985 *cpumode = PERF_RECORD_MISC_USER; 986 987 /* 988 * Block overlaps between kernel and user. 989 * This can happen due to ring filtering 990 * On Intel CPUs the entry into the kernel is filtered, 991 * but the exit is not. Let the caller patch it up. 992 */ 993 if (kernel != machine__kernel_ip(machine, end)) { 994 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end); 995 return -ENXIO; 996 } 997 998 memset(&al, 0, sizeof(al)); 999 if (end - start > MAXBB - MAXINSN) { 1000 if (last) 1001 pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end); 1002 else 1003 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start); 1004 return 0; 1005 } 1006 1007 if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) { 1008 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 1009 return 0; 1010 } 1011 if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) { 1012 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 1013 return 0; 1014 } 1015 1016 /* Load maps to ensure dso->is_64_bit has been updated */ 1017 map__load(al.map); 1018 1019 offset = al.map->map_ip(al.map, start); 1020 len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer, 1021 end - start + MAXINSN); 1022 1023 *is64bit = al.map->dso->is_64_bit; 1024 if (len <= 0) 1025 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n", 1026 start, end); 1027 return len; 1028 } 1029 1030 static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state) 1031 { 1032 char *srcfile; 1033 int ret = 0; 1034 unsigned line; 1035 int len; 1036 char *srccode; 1037 1038 if (!map || !map->dso) 1039 return 0; 1040 srcfile = get_srcline_split(map->dso, 1041 map__rip_2objdump(map, addr), 1042 &line); 1043 if (!srcfile) 1044 return 0; 1045 1046 /* Avoid redundant printing */ 1047 if (state && 1048 state->srcfile && 1049 !strcmp(state->srcfile, srcfile) && 1050 state->line == line) { 1051 free(srcfile); 1052 return 0; 1053 } 1054 1055 srccode = find_sourceline(srcfile, line, &len); 1056 if (!srccode) 1057 goto out_free_line; 1058 1059 ret = fprintf(fp, "|%-8d %.*s", line, len, srccode); 1060 1061 if (state) { 1062 state->srcfile = srcfile; 1063 state->line = line; 1064 } 1065 return ret; 1066 1067 out_free_line: 1068 free(srcfile); 1069 return ret; 1070 } 1071 1072 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr) 1073 { 1074 struct addr_location al; 1075 int ret = 0; 1076 1077 memset(&al, 0, sizeof(al)); 1078 thread__find_map(thread, cpumode, addr, &al); 1079 if (!al.map) 1080 return 0; 1081 ret = map__fprintf_srccode(al.map, al.addr, stdout, 1082 &thread->srccode_state); 1083 if (ret) 1084 ret += printf("\n"); 1085 return ret; 1086 } 1087 1088 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en, 1089 struct perf_insn *x, u8 *inbuf, int len, 1090 int insn, FILE *fp, int *total_cycles) 1091 { 1092 int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip, 1093 dump_insn(x, ip, inbuf, len, NULL), 1094 en->flags.predicted ? " PRED" : "", 1095 en->flags.mispred ? " MISPRED" : "", 1096 en->flags.in_tx ? " INTX" : "", 1097 en->flags.abort ? " ABORT" : ""); 1098 if (en->flags.cycles) { 1099 *total_cycles += en->flags.cycles; 1100 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles); 1101 if (insn) 1102 printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles); 1103 } 1104 return printed + fprintf(fp, "\n"); 1105 } 1106 1107 static int ip__fprintf_sym(uint64_t addr, struct thread *thread, 1108 u8 cpumode, int cpu, struct symbol **lastsym, 1109 struct perf_event_attr *attr, FILE *fp) 1110 { 1111 struct addr_location al; 1112 int off, printed = 0; 1113 1114 memset(&al, 0, sizeof(al)); 1115 1116 thread__find_map(thread, cpumode, addr, &al); 1117 1118 if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end) 1119 return 0; 1120 1121 al.cpu = cpu; 1122 al.sym = NULL; 1123 if (al.map) 1124 al.sym = map__find_symbol(al.map, al.addr); 1125 1126 if (!al.sym) 1127 return 0; 1128 1129 if (al.addr < al.sym->end) 1130 off = al.addr - al.sym->start; 1131 else 1132 off = al.addr - al.map->start - al.sym->start; 1133 printed += fprintf(fp, "\t%s", al.sym->name); 1134 if (off) 1135 printed += fprintf(fp, "%+d", off); 1136 printed += fprintf(fp, ":"); 1137 if (PRINT_FIELD(SRCLINE)) 1138 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp); 1139 printed += fprintf(fp, "\n"); 1140 *lastsym = al.sym; 1141 1142 return printed; 1143 } 1144 1145 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample, 1146 struct thread *thread, 1147 struct perf_event_attr *attr, 1148 struct machine *machine, FILE *fp) 1149 { 1150 struct branch_stack *br = sample->branch_stack; 1151 struct branch_entry *entries = perf_sample__branch_entries(sample); 1152 u64 start, end; 1153 int i, insn, len, nr, ilen, printed = 0; 1154 struct perf_insn x; 1155 u8 buffer[MAXBB]; 1156 unsigned off; 1157 struct symbol *lastsym = NULL; 1158 int total_cycles = 0; 1159 1160 if (!(br && br->nr)) 1161 return 0; 1162 nr = br->nr; 1163 if (max_blocks && nr > max_blocks + 1) 1164 nr = max_blocks + 1; 1165 1166 x.thread = thread; 1167 x.cpu = sample->cpu; 1168 1169 printed += fprintf(fp, "%c", '\n'); 1170 1171 /* Handle first from jump, of which we don't know the entry. */ 1172 len = grab_bb(buffer, entries[nr-1].from, 1173 entries[nr-1].from, 1174 machine, thread, &x.is64bit, &x.cpumode, false); 1175 if (len > 0) { 1176 printed += ip__fprintf_sym(entries[nr - 1].from, thread, 1177 x.cpumode, x.cpu, &lastsym, attr, fp); 1178 printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1], 1179 &x, buffer, len, 0, fp, &total_cycles); 1180 if (PRINT_FIELD(SRCCODE)) 1181 printed += print_srccode(thread, x.cpumode, entries[nr - 1].from); 1182 } 1183 1184 /* Print all blocks */ 1185 for (i = nr - 2; i >= 0; i--) { 1186 if (entries[i].from || entries[i].to) 1187 pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i, 1188 entries[i].from, 1189 entries[i].to); 1190 start = entries[i + 1].to; 1191 end = entries[i].from; 1192 1193 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1194 /* Patch up missing kernel transfers due to ring filters */ 1195 if (len == -ENXIO && i > 0) { 1196 end = entries[--i].from; 1197 pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end); 1198 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1199 } 1200 if (len <= 0) 1201 continue; 1202 1203 insn = 0; 1204 for (off = 0; off < (unsigned)len; off += ilen) { 1205 uint64_t ip = start + off; 1206 1207 printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1208 if (ip == end) { 1209 printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp, 1210 &total_cycles); 1211 if (PRINT_FIELD(SRCCODE)) 1212 printed += print_srccode(thread, x.cpumode, ip); 1213 break; 1214 } else { 1215 ilen = 0; 1216 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip, 1217 dump_insn(&x, ip, buffer + off, len - off, &ilen)); 1218 if (ilen == 0) 1219 break; 1220 if (PRINT_FIELD(SRCCODE)) 1221 print_srccode(thread, x.cpumode, ip); 1222 insn++; 1223 } 1224 } 1225 if (off != end - start) 1226 printed += fprintf(fp, "\tmismatch of LBR data and executable\n"); 1227 } 1228 1229 /* 1230 * Hit the branch? In this case we are already done, and the target 1231 * has not been executed yet. 1232 */ 1233 if (entries[0].from == sample->ip) 1234 goto out; 1235 if (entries[0].flags.abort) 1236 goto out; 1237 1238 /* 1239 * Print final block upto sample 1240 * 1241 * Due to pipeline delays the LBRs might be missing a branch 1242 * or two, which can result in very large or negative blocks 1243 * between final branch and sample. When this happens just 1244 * continue walking after the last TO until we hit a branch. 1245 */ 1246 start = entries[0].to; 1247 end = sample->ip; 1248 if (end < start) { 1249 /* Missing jump. Scan 128 bytes for the next branch */ 1250 end = start + 128; 1251 } 1252 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true); 1253 printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1254 if (len <= 0) { 1255 /* Print at least last IP if basic block did not work */ 1256 len = grab_bb(buffer, sample->ip, sample->ip, 1257 machine, thread, &x.is64bit, &x.cpumode, false); 1258 if (len <= 0) 1259 goto out; 1260 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip, 1261 dump_insn(&x, sample->ip, buffer, len, NULL)); 1262 if (PRINT_FIELD(SRCCODE)) 1263 print_srccode(thread, x.cpumode, sample->ip); 1264 goto out; 1265 } 1266 for (off = 0; off <= end - start; off += ilen) { 1267 ilen = 0; 1268 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off, 1269 dump_insn(&x, start + off, buffer + off, len - off, &ilen)); 1270 if (ilen == 0) 1271 break; 1272 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) { 1273 /* 1274 * Hit a missing branch. Just stop. 1275 */ 1276 printed += fprintf(fp, "\t... not reaching sample ...\n"); 1277 break; 1278 } 1279 if (PRINT_FIELD(SRCCODE)) 1280 print_srccode(thread, x.cpumode, start + off); 1281 } 1282 out: 1283 return printed; 1284 } 1285 1286 static int perf_sample__fprintf_addr(struct perf_sample *sample, 1287 struct thread *thread, 1288 struct perf_event_attr *attr, FILE *fp) 1289 { 1290 struct addr_location al; 1291 int printed = fprintf(fp, "%16" PRIx64, sample->addr); 1292 1293 if (!sample_addr_correlates_sym(attr)) 1294 goto out; 1295 1296 thread__resolve(thread, &al, sample); 1297 1298 if (PRINT_FIELD(SYM)) { 1299 printed += fprintf(fp, " "); 1300 if (PRINT_FIELD(SYMOFFSET)) 1301 printed += symbol__fprintf_symname_offs(al.sym, &al, fp); 1302 else 1303 printed += symbol__fprintf_symname(al.sym, fp); 1304 } 1305 1306 if (PRINT_FIELD(DSO)) { 1307 printed += fprintf(fp, " ("); 1308 printed += map__fprintf_dsoname(al.map, fp); 1309 printed += fprintf(fp, ")"); 1310 } 1311 out: 1312 return printed; 1313 } 1314 1315 static const char *resolve_branch_sym(struct perf_sample *sample, 1316 struct evsel *evsel, 1317 struct thread *thread, 1318 struct addr_location *al, 1319 u64 *ip) 1320 { 1321 struct addr_location addr_al; 1322 struct perf_event_attr *attr = &evsel->core.attr; 1323 const char *name = NULL; 1324 1325 if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) { 1326 if (sample_addr_correlates_sym(attr)) { 1327 thread__resolve(thread, &addr_al, sample); 1328 if (addr_al.sym) 1329 name = addr_al.sym->name; 1330 else 1331 *ip = sample->addr; 1332 } else { 1333 *ip = sample->addr; 1334 } 1335 } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) { 1336 if (al->sym) 1337 name = al->sym->name; 1338 else 1339 *ip = sample->ip; 1340 } 1341 return name; 1342 } 1343 1344 static int perf_sample__fprintf_callindent(struct perf_sample *sample, 1345 struct evsel *evsel, 1346 struct thread *thread, 1347 struct addr_location *al, FILE *fp) 1348 { 1349 struct perf_event_attr *attr = &evsel->core.attr; 1350 size_t depth = thread_stack__depth(thread, sample->cpu); 1351 const char *name = NULL; 1352 static int spacing; 1353 int len = 0; 1354 int dlen = 0; 1355 u64 ip = 0; 1356 1357 /* 1358 * The 'return' has already been popped off the stack so the depth has 1359 * to be adjusted to match the 'call'. 1360 */ 1361 if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN) 1362 depth += 1; 1363 1364 name = resolve_branch_sym(sample, evsel, thread, al, &ip); 1365 1366 if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) { 1367 dlen += fprintf(fp, "("); 1368 dlen += map__fprintf_dsoname(al->map, fp); 1369 dlen += fprintf(fp, ")\t"); 1370 } 1371 1372 if (name) 1373 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name); 1374 else if (ip) 1375 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip); 1376 1377 if (len < 0) 1378 return len; 1379 1380 /* 1381 * Try to keep the output length from changing frequently so that the 1382 * output lines up more nicely. 1383 */ 1384 if (len > spacing || (len && len < spacing - 52)) 1385 spacing = round_up(len + 4, 32); 1386 1387 if (len < spacing) 1388 len += fprintf(fp, "%*s", spacing - len, ""); 1389 1390 return len + dlen; 1391 } 1392 1393 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused, 1394 struct thread *thread __maybe_unused, 1395 struct machine *machine __maybe_unused) 1396 { 1397 } 1398 1399 static int perf_sample__fprintf_insn(struct perf_sample *sample, 1400 struct perf_event_attr *attr, 1401 struct thread *thread, 1402 struct machine *machine, FILE *fp) 1403 { 1404 int printed = 0; 1405 1406 if (sample->insn_len == 0 && native_arch) 1407 arch_fetch_insn(sample, thread, machine); 1408 1409 if (PRINT_FIELD(INSNLEN)) 1410 printed += fprintf(fp, " ilen: %d", sample->insn_len); 1411 if (PRINT_FIELD(INSN) && sample->insn_len) { 1412 int i; 1413 1414 printed += fprintf(fp, " insn:"); 1415 for (i = 0; i < sample->insn_len; i++) 1416 printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]); 1417 } 1418 if (PRINT_FIELD(BRSTACKINSN)) 1419 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp); 1420 1421 return printed; 1422 } 1423 1424 static int perf_sample__fprintf_ipc(struct perf_sample *sample, 1425 struct perf_event_attr *attr, FILE *fp) 1426 { 1427 unsigned int ipc; 1428 1429 if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt) 1430 return 0; 1431 1432 ipc = (sample->insn_cnt * 100) / sample->cyc_cnt; 1433 1434 return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ", 1435 ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt); 1436 } 1437 1438 static int perf_sample__fprintf_bts(struct perf_sample *sample, 1439 struct evsel *evsel, 1440 struct thread *thread, 1441 struct addr_location *al, 1442 struct machine *machine, FILE *fp) 1443 { 1444 struct perf_event_attr *attr = &evsel->core.attr; 1445 unsigned int type = output_type(attr->type); 1446 bool print_srcline_last = false; 1447 int printed = 0; 1448 1449 if (PRINT_FIELD(CALLINDENT)) 1450 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp); 1451 1452 /* print branch_from information */ 1453 if (PRINT_FIELD(IP)) { 1454 unsigned int print_opts = output[type].print_ip_opts; 1455 struct callchain_cursor *cursor = NULL; 1456 1457 if (symbol_conf.use_callchain && sample->callchain && 1458 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 1459 sample, NULL, NULL, scripting_max_stack) == 0) 1460 cursor = &callchain_cursor; 1461 1462 if (cursor == NULL) { 1463 printed += fprintf(fp, " "); 1464 if (print_opts & EVSEL__PRINT_SRCLINE) { 1465 print_srcline_last = true; 1466 print_opts &= ~EVSEL__PRINT_SRCLINE; 1467 } 1468 } else 1469 printed += fprintf(fp, "\n"); 1470 1471 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, 1472 symbol_conf.bt_stop_list, fp); 1473 } 1474 1475 /* print branch_to information */ 1476 if (PRINT_FIELD(ADDR) || 1477 ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 1478 !output[type].user_set)) { 1479 printed += fprintf(fp, " => "); 1480 printed += perf_sample__fprintf_addr(sample, thread, attr, fp); 1481 } 1482 1483 printed += perf_sample__fprintf_ipc(sample, attr, fp); 1484 1485 if (print_srcline_last) 1486 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp); 1487 1488 printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 1489 printed += fprintf(fp, "\n"); 1490 if (PRINT_FIELD(SRCCODE)) { 1491 int ret = map__fprintf_srccode(al->map, al->addr, stdout, 1492 &thread->srccode_state); 1493 if (ret) { 1494 printed += ret; 1495 printed += printf("\n"); 1496 } 1497 } 1498 return printed; 1499 } 1500 1501 static struct { 1502 u32 flags; 1503 const char *name; 1504 } sample_flags[] = { 1505 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"}, 1506 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"}, 1507 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"}, 1508 {PERF_IP_FLAG_BRANCH, "jmp"}, 1509 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"}, 1510 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"}, 1511 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"}, 1512 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"}, 1513 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"}, 1514 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"}, 1515 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"}, 1516 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"}, 1517 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"}, 1518 {0, NULL} 1519 }; 1520 1521 static const char *sample_flags_to_name(u32 flags) 1522 { 1523 int i; 1524 1525 for (i = 0; sample_flags[i].name ; i++) { 1526 if (sample_flags[i].flags == flags) 1527 return sample_flags[i].name; 1528 } 1529 1530 return NULL; 1531 } 1532 1533 static int perf_sample__fprintf_flags(u32 flags, FILE *fp) 1534 { 1535 const char *chars = PERF_IP_FLAG_CHARS; 1536 const int n = strlen(PERF_IP_FLAG_CHARS); 1537 bool in_tx = flags & PERF_IP_FLAG_IN_TX; 1538 const char *name = NULL; 1539 char str[33]; 1540 int i, pos = 0; 1541 1542 name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX); 1543 if (name) 1544 return fprintf(fp, " %-15s%4s ", name, in_tx ? "(x)" : ""); 1545 1546 if (flags & PERF_IP_FLAG_TRACE_BEGIN) { 1547 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN)); 1548 if (name) 1549 return fprintf(fp, " tr strt %-7s%4s ", name, in_tx ? "(x)" : ""); 1550 } 1551 1552 if (flags & PERF_IP_FLAG_TRACE_END) { 1553 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END)); 1554 if (name) 1555 return fprintf(fp, " tr end %-7s%4s ", name, in_tx ? "(x)" : ""); 1556 } 1557 1558 for (i = 0; i < n; i++, flags >>= 1) { 1559 if (flags & 1) 1560 str[pos++] = chars[i]; 1561 } 1562 for (; i < 32; i++, flags >>= 1) { 1563 if (flags & 1) 1564 str[pos++] = '?'; 1565 } 1566 str[pos] = 0; 1567 1568 return fprintf(fp, " %-19s ", str); 1569 } 1570 1571 struct printer_data { 1572 int line_no; 1573 bool hit_nul; 1574 bool is_printable; 1575 }; 1576 1577 static int sample__fprintf_bpf_output(enum binary_printer_ops op, 1578 unsigned int val, 1579 void *extra, FILE *fp) 1580 { 1581 unsigned char ch = (unsigned char)val; 1582 struct printer_data *printer_data = extra; 1583 int printed = 0; 1584 1585 switch (op) { 1586 case BINARY_PRINT_DATA_BEGIN: 1587 printed += fprintf(fp, "\n"); 1588 break; 1589 case BINARY_PRINT_LINE_BEGIN: 1590 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" : 1591 " "); 1592 break; 1593 case BINARY_PRINT_ADDR: 1594 printed += fprintf(fp, " %04x:", val); 1595 break; 1596 case BINARY_PRINT_NUM_DATA: 1597 printed += fprintf(fp, " %02x", val); 1598 break; 1599 case BINARY_PRINT_NUM_PAD: 1600 printed += fprintf(fp, " "); 1601 break; 1602 case BINARY_PRINT_SEP: 1603 printed += fprintf(fp, " "); 1604 break; 1605 case BINARY_PRINT_CHAR_DATA: 1606 if (printer_data->hit_nul && ch) 1607 printer_data->is_printable = false; 1608 1609 if (!isprint(ch)) { 1610 printed += fprintf(fp, "%c", '.'); 1611 1612 if (!printer_data->is_printable) 1613 break; 1614 1615 if (ch == '\0') 1616 printer_data->hit_nul = true; 1617 else 1618 printer_data->is_printable = false; 1619 } else { 1620 printed += fprintf(fp, "%c", ch); 1621 } 1622 break; 1623 case BINARY_PRINT_CHAR_PAD: 1624 printed += fprintf(fp, " "); 1625 break; 1626 case BINARY_PRINT_LINE_END: 1627 printed += fprintf(fp, "\n"); 1628 printer_data->line_no++; 1629 break; 1630 case BINARY_PRINT_DATA_END: 1631 default: 1632 break; 1633 } 1634 1635 return printed; 1636 } 1637 1638 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp) 1639 { 1640 unsigned int nr_bytes = sample->raw_size; 1641 struct printer_data printer_data = {0, false, true}; 1642 int printed = binary__fprintf(sample->raw_data, nr_bytes, 8, 1643 sample__fprintf_bpf_output, &printer_data, fp); 1644 1645 if (printer_data.is_printable && printer_data.hit_nul) 1646 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data)); 1647 1648 return printed; 1649 } 1650 1651 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp) 1652 { 1653 if (len > 0 && len < spacing) 1654 return fprintf(fp, "%*s", spacing - len, ""); 1655 1656 return 0; 1657 } 1658 1659 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp) 1660 { 1661 return perf_sample__fprintf_spacing(len, 34, fp); 1662 } 1663 1664 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp) 1665 { 1666 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample); 1667 int len; 1668 1669 if (perf_sample__bad_synth_size(sample, *data)) 1670 return 0; 1671 1672 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ", 1673 data->ip, le64_to_cpu(data->payload)); 1674 return len + perf_sample__fprintf_pt_spacing(len, fp); 1675 } 1676 1677 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp) 1678 { 1679 struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample); 1680 int len; 1681 1682 if (perf_sample__bad_synth_size(sample, *data)) 1683 return 0; 1684 1685 len = fprintf(fp, " hints: %#x extensions: %#x ", 1686 data->hints, data->extensions); 1687 return len + perf_sample__fprintf_pt_spacing(len, fp); 1688 } 1689 1690 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp) 1691 { 1692 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample); 1693 int len; 1694 1695 if (perf_sample__bad_synth_size(sample, *data)) 1696 return 0; 1697 1698 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ", 1699 data->hw, data->cstate, data->subcstate); 1700 return len + perf_sample__fprintf_pt_spacing(len, fp); 1701 } 1702 1703 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp) 1704 { 1705 struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample); 1706 int len; 1707 1708 if (perf_sample__bad_synth_size(sample, *data)) 1709 return 0; 1710 1711 len = fprintf(fp, " IP: %u ", data->ip); 1712 return len + perf_sample__fprintf_pt_spacing(len, fp); 1713 } 1714 1715 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp) 1716 { 1717 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample); 1718 int len; 1719 1720 if (perf_sample__bad_synth_size(sample, *data)) 1721 return 0; 1722 1723 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ", 1724 data->deepest_cstate, data->last_cstate, 1725 data->wake_reason); 1726 return len + perf_sample__fprintf_pt_spacing(len, fp); 1727 } 1728 1729 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp) 1730 { 1731 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample); 1732 unsigned int percent, freq; 1733 int len; 1734 1735 if (perf_sample__bad_synth_size(sample, *data)) 1736 return 0; 1737 1738 freq = (le32_to_cpu(data->freq) + 500) / 1000; 1739 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq); 1740 if (data->max_nonturbo) { 1741 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10; 1742 len += fprintf(fp, "(%3u%%) ", percent); 1743 } 1744 return len + perf_sample__fprintf_pt_spacing(len, fp); 1745 } 1746 1747 static int perf_sample__fprintf_synth(struct perf_sample *sample, 1748 struct evsel *evsel, FILE *fp) 1749 { 1750 switch (evsel->core.attr.config) { 1751 case PERF_SYNTH_INTEL_PTWRITE: 1752 return perf_sample__fprintf_synth_ptwrite(sample, fp); 1753 case PERF_SYNTH_INTEL_MWAIT: 1754 return perf_sample__fprintf_synth_mwait(sample, fp); 1755 case PERF_SYNTH_INTEL_PWRE: 1756 return perf_sample__fprintf_synth_pwre(sample, fp); 1757 case PERF_SYNTH_INTEL_EXSTOP: 1758 return perf_sample__fprintf_synth_exstop(sample, fp); 1759 case PERF_SYNTH_INTEL_PWRX: 1760 return perf_sample__fprintf_synth_pwrx(sample, fp); 1761 case PERF_SYNTH_INTEL_CBR: 1762 return perf_sample__fprintf_synth_cbr(sample, fp); 1763 default: 1764 break; 1765 } 1766 1767 return 0; 1768 } 1769 1770 static int evlist__max_name_len(struct evlist *evlist) 1771 { 1772 struct evsel *evsel; 1773 int max = 0; 1774 1775 evlist__for_each_entry(evlist, evsel) { 1776 int len = strlen(evsel__name(evsel)); 1777 1778 max = MAX(len, max); 1779 } 1780 1781 return max; 1782 } 1783 1784 static int data_src__fprintf(u64 data_src, FILE *fp) 1785 { 1786 struct mem_info mi = { .data_src.val = data_src }; 1787 char decode[100]; 1788 char out[100]; 1789 static int maxlen; 1790 int len; 1791 1792 perf_script__meminfo_scnprintf(decode, 100, &mi); 1793 1794 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode); 1795 if (maxlen < len) 1796 maxlen = len; 1797 1798 return fprintf(fp, "%-*s", maxlen, out); 1799 } 1800 1801 struct metric_ctx { 1802 struct perf_sample *sample; 1803 struct thread *thread; 1804 struct evsel *evsel; 1805 FILE *fp; 1806 }; 1807 1808 static void script_print_metric(struct perf_stat_config *config __maybe_unused, 1809 void *ctx, const char *color, 1810 const char *fmt, 1811 const char *unit, double val) 1812 { 1813 struct metric_ctx *mctx = ctx; 1814 1815 if (!fmt) 1816 return; 1817 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, 1818 PERF_RECORD_SAMPLE, mctx->fp); 1819 fputs("\tmetric: ", mctx->fp); 1820 if (color) 1821 color_fprintf(mctx->fp, color, fmt, val); 1822 else 1823 printf(fmt, val); 1824 fprintf(mctx->fp, " %s\n", unit); 1825 } 1826 1827 static void script_new_line(struct perf_stat_config *config __maybe_unused, 1828 void *ctx) 1829 { 1830 struct metric_ctx *mctx = ctx; 1831 1832 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, 1833 PERF_RECORD_SAMPLE, mctx->fp); 1834 fputs("\tmetric: ", mctx->fp); 1835 } 1836 1837 static void perf_sample__fprint_metric(struct perf_script *script, 1838 struct thread *thread, 1839 struct evsel *evsel, 1840 struct perf_sample *sample, 1841 FILE *fp) 1842 { 1843 struct perf_stat_output_ctx ctx = { 1844 .print_metric = script_print_metric, 1845 .new_line = script_new_line, 1846 .ctx = &(struct metric_ctx) { 1847 .sample = sample, 1848 .thread = thread, 1849 .evsel = evsel, 1850 .fp = fp, 1851 }, 1852 .force_header = false, 1853 }; 1854 struct evsel *ev2; 1855 u64 val; 1856 1857 if (!evsel->stats) 1858 evlist__alloc_stats(script->session->evlist, false); 1859 if (evsel_script(evsel->leader)->gnum++ == 0) 1860 perf_stat__reset_shadow_stats(); 1861 val = sample->period * evsel->scale; 1862 perf_stat__update_shadow_stats(evsel, 1863 val, 1864 sample->cpu, 1865 &rt_stat); 1866 evsel_script(evsel)->val = val; 1867 if (evsel_script(evsel->leader)->gnum == evsel->leader->core.nr_members) { 1868 for_each_group_member (ev2, evsel->leader) { 1869 perf_stat__print_shadow_stats(&stat_config, ev2, 1870 evsel_script(ev2)->val, 1871 sample->cpu, 1872 &ctx, 1873 NULL, 1874 &rt_stat); 1875 } 1876 evsel_script(evsel->leader)->gnum = 0; 1877 } 1878 } 1879 1880 static bool show_event(struct perf_sample *sample, 1881 struct evsel *evsel, 1882 struct thread *thread, 1883 struct addr_location *al) 1884 { 1885 int depth = thread_stack__depth(thread, sample->cpu); 1886 1887 if (!symbol_conf.graph_function) 1888 return true; 1889 1890 if (thread->filter) { 1891 if (depth <= thread->filter_entry_depth) { 1892 thread->filter = false; 1893 return false; 1894 } 1895 return true; 1896 } else { 1897 const char *s = symbol_conf.graph_function; 1898 u64 ip; 1899 const char *name = resolve_branch_sym(sample, evsel, thread, al, 1900 &ip); 1901 unsigned nlen; 1902 1903 if (!name) 1904 return false; 1905 nlen = strlen(name); 1906 while (*s) { 1907 unsigned len = strcspn(s, ","); 1908 if (nlen == len && !strncmp(name, s, len)) { 1909 thread->filter = true; 1910 thread->filter_entry_depth = depth; 1911 return true; 1912 } 1913 s += len; 1914 if (*s == ',') 1915 s++; 1916 } 1917 return false; 1918 } 1919 } 1920 1921 static void process_event(struct perf_script *script, 1922 struct perf_sample *sample, struct evsel *evsel, 1923 struct addr_location *al, 1924 struct machine *machine) 1925 { 1926 struct thread *thread = al->thread; 1927 struct perf_event_attr *attr = &evsel->core.attr; 1928 unsigned int type = output_type(attr->type); 1929 struct evsel_script *es = evsel->priv; 1930 FILE *fp = es->fp; 1931 char str[PAGE_SIZE_NAME_LEN]; 1932 1933 if (output[type].fields == 0) 1934 return; 1935 1936 if (!show_event(sample, evsel, thread, al)) 1937 return; 1938 1939 if (evswitch__discard(&script->evswitch, evsel)) 1940 return; 1941 1942 ++es->samples; 1943 1944 perf_sample__fprintf_start(script, sample, thread, evsel, 1945 PERF_RECORD_SAMPLE, fp); 1946 1947 if (PRINT_FIELD(PERIOD)) 1948 fprintf(fp, "%10" PRIu64 " ", sample->period); 1949 1950 if (PRINT_FIELD(EVNAME)) { 1951 const char *evname = evsel__name(evsel); 1952 1953 if (!script->name_width) 1954 script->name_width = evlist__max_name_len(script->session->evlist); 1955 1956 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]"); 1957 } 1958 1959 if (print_flags) 1960 perf_sample__fprintf_flags(sample->flags, fp); 1961 1962 if (is_bts_event(attr)) { 1963 perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp); 1964 return; 1965 } 1966 1967 if (PRINT_FIELD(TRACE) && sample->raw_data) { 1968 event_format__fprintf(evsel->tp_format, sample->cpu, 1969 sample->raw_data, sample->raw_size, fp); 1970 } 1971 1972 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH)) 1973 perf_sample__fprintf_synth(sample, evsel, fp); 1974 1975 if (PRINT_FIELD(ADDR)) 1976 perf_sample__fprintf_addr(sample, thread, attr, fp); 1977 1978 if (PRINT_FIELD(DATA_SRC)) 1979 data_src__fprintf(sample->data_src, fp); 1980 1981 if (PRINT_FIELD(WEIGHT)) 1982 fprintf(fp, "%16" PRIu64, sample->weight); 1983 1984 if (PRINT_FIELD(IP)) { 1985 struct callchain_cursor *cursor = NULL; 1986 1987 if (script->stitch_lbr) 1988 al->thread->lbr_stitch_enable = true; 1989 1990 if (symbol_conf.use_callchain && sample->callchain && 1991 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 1992 sample, NULL, NULL, scripting_max_stack) == 0) 1993 cursor = &callchain_cursor; 1994 1995 fputc(cursor ? '\n' : ' ', fp); 1996 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, 1997 symbol_conf.bt_stop_list, fp); 1998 } 1999 2000 if (PRINT_FIELD(IREGS)) 2001 perf_sample__fprintf_iregs(sample, attr, fp); 2002 2003 if (PRINT_FIELD(UREGS)) 2004 perf_sample__fprintf_uregs(sample, attr, fp); 2005 2006 if (PRINT_FIELD(BRSTACK)) 2007 perf_sample__fprintf_brstack(sample, thread, attr, fp); 2008 else if (PRINT_FIELD(BRSTACKSYM)) 2009 perf_sample__fprintf_brstacksym(sample, thread, attr, fp); 2010 else if (PRINT_FIELD(BRSTACKOFF)) 2011 perf_sample__fprintf_brstackoff(sample, thread, attr, fp); 2012 2013 if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT)) 2014 perf_sample__fprintf_bpf_output(sample, fp); 2015 perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 2016 2017 if (PRINT_FIELD(PHYS_ADDR)) 2018 fprintf(fp, "%16" PRIx64, sample->phys_addr); 2019 2020 if (PRINT_FIELD(DATA_PAGE_SIZE)) 2021 fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str)); 2022 2023 perf_sample__fprintf_ipc(sample, attr, fp); 2024 2025 fprintf(fp, "\n"); 2026 2027 if (PRINT_FIELD(SRCCODE)) { 2028 if (map__fprintf_srccode(al->map, al->addr, stdout, 2029 &thread->srccode_state)) 2030 printf("\n"); 2031 } 2032 2033 if (PRINT_FIELD(METRIC)) 2034 perf_sample__fprint_metric(script, thread, evsel, sample, fp); 2035 2036 if (verbose) 2037 fflush(fp); 2038 } 2039 2040 static struct scripting_ops *scripting_ops; 2041 2042 static void __process_stat(struct evsel *counter, u64 tstamp) 2043 { 2044 int nthreads = perf_thread_map__nr(counter->core.threads); 2045 int ncpus = evsel__nr_cpus(counter); 2046 int cpu, thread; 2047 static int header_printed; 2048 2049 if (counter->core.system_wide) 2050 nthreads = 1; 2051 2052 if (!header_printed) { 2053 printf("%3s %8s %15s %15s %15s %15s %s\n", 2054 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT"); 2055 header_printed = 1; 2056 } 2057 2058 for (thread = 0; thread < nthreads; thread++) { 2059 for (cpu = 0; cpu < ncpus; cpu++) { 2060 struct perf_counts_values *counts; 2061 2062 counts = perf_counts(counter->counts, cpu, thread); 2063 2064 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n", 2065 counter->core.cpus->map[cpu], 2066 perf_thread_map__pid(counter->core.threads, thread), 2067 counts->val, 2068 counts->ena, 2069 counts->run, 2070 tstamp, 2071 evsel__name(counter)); 2072 } 2073 } 2074 } 2075 2076 static void process_stat(struct evsel *counter, u64 tstamp) 2077 { 2078 if (scripting_ops && scripting_ops->process_stat) 2079 scripting_ops->process_stat(&stat_config, counter, tstamp); 2080 else 2081 __process_stat(counter, tstamp); 2082 } 2083 2084 static void process_stat_interval(u64 tstamp) 2085 { 2086 if (scripting_ops && scripting_ops->process_stat_interval) 2087 scripting_ops->process_stat_interval(tstamp); 2088 } 2089 2090 static void setup_scripting(void) 2091 { 2092 setup_perl_scripting(); 2093 setup_python_scripting(); 2094 } 2095 2096 static int flush_scripting(void) 2097 { 2098 return scripting_ops ? scripting_ops->flush_script() : 0; 2099 } 2100 2101 static int cleanup_scripting(void) 2102 { 2103 pr_debug("\nperf script stopped\n"); 2104 2105 return scripting_ops ? scripting_ops->stop_script() : 0; 2106 } 2107 2108 static bool filter_cpu(struct perf_sample *sample) 2109 { 2110 if (cpu_list && sample->cpu != (u32)-1) 2111 return !test_bit(sample->cpu, cpu_bitmap); 2112 return false; 2113 } 2114 2115 static int process_sample_event(struct perf_tool *tool, 2116 union perf_event *event, 2117 struct perf_sample *sample, 2118 struct evsel *evsel, 2119 struct machine *machine) 2120 { 2121 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2122 struct addr_location al; 2123 2124 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num, 2125 sample->time)) { 2126 return 0; 2127 } 2128 2129 if (debug_mode) { 2130 if (sample->time < last_timestamp) { 2131 pr_err("Samples misordered, previous: %" PRIu64 2132 " this: %" PRIu64 "\n", last_timestamp, 2133 sample->time); 2134 nr_unordered++; 2135 } 2136 last_timestamp = sample->time; 2137 return 0; 2138 } 2139 2140 if (machine__resolve(machine, &al, sample) < 0) { 2141 pr_err("problem processing %d event, skipping it.\n", 2142 event->header.type); 2143 return -1; 2144 } 2145 2146 if (al.filtered) 2147 goto out_put; 2148 2149 if (filter_cpu(sample)) 2150 goto out_put; 2151 2152 if (scripting_ops) 2153 scripting_ops->process_event(event, sample, evsel, &al); 2154 else 2155 process_event(scr, sample, evsel, &al, machine); 2156 2157 out_put: 2158 addr_location__put(&al); 2159 return 0; 2160 } 2161 2162 static int process_attr(struct perf_tool *tool, union perf_event *event, 2163 struct evlist **pevlist) 2164 { 2165 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2166 struct evlist *evlist; 2167 struct evsel *evsel, *pos; 2168 u64 sample_type; 2169 int err; 2170 static struct evsel_script *es; 2171 2172 err = perf_event__process_attr(tool, event, pevlist); 2173 if (err) 2174 return err; 2175 2176 evlist = *pevlist; 2177 evsel = evlist__last(*pevlist); 2178 2179 if (!evsel->priv) { 2180 if (scr->per_event_dump) { 2181 evsel->priv = perf_evsel_script__new(evsel, 2182 scr->session->data); 2183 } else { 2184 es = zalloc(sizeof(*es)); 2185 if (!es) 2186 return -ENOMEM; 2187 es->fp = stdout; 2188 evsel->priv = es; 2189 } 2190 } 2191 2192 if (evsel->core.attr.type >= PERF_TYPE_MAX && 2193 evsel->core.attr.type != PERF_TYPE_SYNTH) 2194 return 0; 2195 2196 evlist__for_each_entry(evlist, pos) { 2197 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel) 2198 return 0; 2199 } 2200 2201 if (evsel->core.attr.sample_type) { 2202 err = evsel__check_attr(evsel, scr->session); 2203 if (err) 2204 return err; 2205 } 2206 2207 /* 2208 * Check if we need to enable callchains based 2209 * on events sample_type. 2210 */ 2211 sample_type = evlist__combined_sample_type(evlist); 2212 callchain_param_setup(sample_type); 2213 2214 /* Enable fields for callchain entries */ 2215 if (symbol_conf.use_callchain && 2216 (sample_type & PERF_SAMPLE_CALLCHAIN || 2217 sample_type & PERF_SAMPLE_BRANCH_STACK || 2218 (sample_type & PERF_SAMPLE_REGS_USER && 2219 sample_type & PERF_SAMPLE_STACK_USER))) { 2220 int type = output_type(evsel->core.attr.type); 2221 2222 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP)) 2223 output[type].fields |= PERF_OUTPUT_IP; 2224 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM)) 2225 output[type].fields |= PERF_OUTPUT_SYM; 2226 } 2227 set_print_ip_opts(&evsel->core.attr); 2228 return 0; 2229 } 2230 2231 static int print_event_with_time(struct perf_tool *tool, 2232 union perf_event *event, 2233 struct perf_sample *sample, 2234 struct machine *machine, 2235 pid_t pid, pid_t tid, u64 timestamp) 2236 { 2237 struct perf_script *script = container_of(tool, struct perf_script, tool); 2238 struct perf_session *session = script->session; 2239 struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id); 2240 struct thread *thread = NULL; 2241 2242 if (evsel && !evsel->core.attr.sample_id_all) { 2243 sample->cpu = 0; 2244 sample->time = timestamp; 2245 sample->pid = pid; 2246 sample->tid = tid; 2247 } 2248 2249 if (filter_cpu(sample)) 2250 return 0; 2251 2252 if (tid != -1) 2253 thread = machine__findnew_thread(machine, pid, tid); 2254 2255 if (evsel) { 2256 perf_sample__fprintf_start(script, sample, thread, evsel, 2257 event->header.type, stdout); 2258 } 2259 2260 perf_event__fprintf(event, machine, stdout); 2261 2262 thread__put(thread); 2263 2264 return 0; 2265 } 2266 2267 static int print_event(struct perf_tool *tool, union perf_event *event, 2268 struct perf_sample *sample, struct machine *machine, 2269 pid_t pid, pid_t tid) 2270 { 2271 return print_event_with_time(tool, event, sample, machine, pid, tid, 0); 2272 } 2273 2274 static int process_comm_event(struct perf_tool *tool, 2275 union perf_event *event, 2276 struct perf_sample *sample, 2277 struct machine *machine) 2278 { 2279 if (perf_event__process_comm(tool, event, sample, machine) < 0) 2280 return -1; 2281 2282 return print_event(tool, event, sample, machine, event->comm.pid, 2283 event->comm.tid); 2284 } 2285 2286 static int process_namespaces_event(struct perf_tool *tool, 2287 union perf_event *event, 2288 struct perf_sample *sample, 2289 struct machine *machine) 2290 { 2291 if (perf_event__process_namespaces(tool, event, sample, machine) < 0) 2292 return -1; 2293 2294 return print_event(tool, event, sample, machine, event->namespaces.pid, 2295 event->namespaces.tid); 2296 } 2297 2298 static int process_cgroup_event(struct perf_tool *tool, 2299 union perf_event *event, 2300 struct perf_sample *sample, 2301 struct machine *machine) 2302 { 2303 if (perf_event__process_cgroup(tool, event, sample, machine) < 0) 2304 return -1; 2305 2306 return print_event(tool, event, sample, machine, sample->pid, 2307 sample->tid); 2308 } 2309 2310 static int process_fork_event(struct perf_tool *tool, 2311 union perf_event *event, 2312 struct perf_sample *sample, 2313 struct machine *machine) 2314 { 2315 if (perf_event__process_fork(tool, event, sample, machine) < 0) 2316 return -1; 2317 2318 return print_event_with_time(tool, event, sample, machine, 2319 event->fork.pid, event->fork.tid, 2320 event->fork.time); 2321 } 2322 static int process_exit_event(struct perf_tool *tool, 2323 union perf_event *event, 2324 struct perf_sample *sample, 2325 struct machine *machine) 2326 { 2327 /* Print before 'exit' deletes anything */ 2328 if (print_event_with_time(tool, event, sample, machine, event->fork.pid, 2329 event->fork.tid, event->fork.time)) 2330 return -1; 2331 2332 return perf_event__process_exit(tool, event, sample, machine); 2333 } 2334 2335 static int process_mmap_event(struct perf_tool *tool, 2336 union perf_event *event, 2337 struct perf_sample *sample, 2338 struct machine *machine) 2339 { 2340 if (perf_event__process_mmap(tool, event, sample, machine) < 0) 2341 return -1; 2342 2343 return print_event(tool, event, sample, machine, event->mmap.pid, 2344 event->mmap.tid); 2345 } 2346 2347 static int process_mmap2_event(struct perf_tool *tool, 2348 union perf_event *event, 2349 struct perf_sample *sample, 2350 struct machine *machine) 2351 { 2352 if (perf_event__process_mmap2(tool, event, sample, machine) < 0) 2353 return -1; 2354 2355 return print_event(tool, event, sample, machine, event->mmap2.pid, 2356 event->mmap2.tid); 2357 } 2358 2359 static int process_switch_event(struct perf_tool *tool, 2360 union perf_event *event, 2361 struct perf_sample *sample, 2362 struct machine *machine) 2363 { 2364 struct perf_script *script = container_of(tool, struct perf_script, tool); 2365 2366 if (perf_event__process_switch(tool, event, sample, machine) < 0) 2367 return -1; 2368 2369 if (scripting_ops && scripting_ops->process_switch) 2370 scripting_ops->process_switch(event, sample, machine); 2371 2372 if (!script->show_switch_events) 2373 return 0; 2374 2375 return print_event(tool, event, sample, machine, sample->pid, 2376 sample->tid); 2377 } 2378 2379 static int 2380 process_lost_event(struct perf_tool *tool, 2381 union perf_event *event, 2382 struct perf_sample *sample, 2383 struct machine *machine) 2384 { 2385 return print_event(tool, event, sample, machine, sample->pid, 2386 sample->tid); 2387 } 2388 2389 static int 2390 process_finished_round_event(struct perf_tool *tool __maybe_unused, 2391 union perf_event *event, 2392 struct ordered_events *oe __maybe_unused) 2393 2394 { 2395 perf_event__fprintf(event, NULL, stdout); 2396 return 0; 2397 } 2398 2399 static int 2400 process_bpf_events(struct perf_tool *tool __maybe_unused, 2401 union perf_event *event, 2402 struct perf_sample *sample, 2403 struct machine *machine) 2404 { 2405 if (machine__process_ksymbol(machine, event, sample) < 0) 2406 return -1; 2407 2408 return print_event(tool, event, sample, machine, sample->pid, 2409 sample->tid); 2410 } 2411 2412 static int process_text_poke_events(struct perf_tool *tool, 2413 union perf_event *event, 2414 struct perf_sample *sample, 2415 struct machine *machine) 2416 { 2417 if (perf_event__process_text_poke(tool, event, sample, machine) < 0) 2418 return -1; 2419 2420 return print_event(tool, event, sample, machine, sample->pid, 2421 sample->tid); 2422 } 2423 2424 static void sig_handler(int sig __maybe_unused) 2425 { 2426 session_done = 1; 2427 } 2428 2429 static void perf_script__fclose_per_event_dump(struct perf_script *script) 2430 { 2431 struct evlist *evlist = script->session->evlist; 2432 struct evsel *evsel; 2433 2434 evlist__for_each_entry(evlist, evsel) { 2435 if (!evsel->priv) 2436 break; 2437 perf_evsel_script__delete(evsel->priv); 2438 evsel->priv = NULL; 2439 } 2440 } 2441 2442 static int perf_script__fopen_per_event_dump(struct perf_script *script) 2443 { 2444 struct evsel *evsel; 2445 2446 evlist__for_each_entry(script->session->evlist, evsel) { 2447 /* 2448 * Already setup? I.e. we may be called twice in cases like 2449 * Intel PT, one for the intel_pt// and dummy events, then 2450 * for the evsels syntheized from the auxtrace info. 2451 * 2452 * Ses perf_script__process_auxtrace_info. 2453 */ 2454 if (evsel->priv != NULL) 2455 continue; 2456 2457 evsel->priv = perf_evsel_script__new(evsel, script->session->data); 2458 if (evsel->priv == NULL) 2459 goto out_err_fclose; 2460 } 2461 2462 return 0; 2463 2464 out_err_fclose: 2465 perf_script__fclose_per_event_dump(script); 2466 return -1; 2467 } 2468 2469 static int perf_script__setup_per_event_dump(struct perf_script *script) 2470 { 2471 struct evsel *evsel; 2472 static struct evsel_script es_stdout; 2473 2474 if (script->per_event_dump) 2475 return perf_script__fopen_per_event_dump(script); 2476 2477 es_stdout.fp = stdout; 2478 2479 evlist__for_each_entry(script->session->evlist, evsel) 2480 evsel->priv = &es_stdout; 2481 2482 return 0; 2483 } 2484 2485 static void perf_script__exit_per_event_dump_stats(struct perf_script *script) 2486 { 2487 struct evsel *evsel; 2488 2489 evlist__for_each_entry(script->session->evlist, evsel) { 2490 struct evsel_script *es = evsel->priv; 2491 2492 perf_evsel_script__fprintf(es, stdout); 2493 perf_evsel_script__delete(es); 2494 evsel->priv = NULL; 2495 } 2496 } 2497 2498 static int __cmd_script(struct perf_script *script) 2499 { 2500 int ret; 2501 2502 signal(SIGINT, sig_handler); 2503 2504 perf_stat__init_shadow_stats(); 2505 2506 /* override event processing functions */ 2507 if (script->show_task_events) { 2508 script->tool.comm = process_comm_event; 2509 script->tool.fork = process_fork_event; 2510 script->tool.exit = process_exit_event; 2511 } 2512 if (script->show_mmap_events) { 2513 script->tool.mmap = process_mmap_event; 2514 script->tool.mmap2 = process_mmap2_event; 2515 } 2516 if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch)) 2517 script->tool.context_switch = process_switch_event; 2518 if (script->show_namespace_events) 2519 script->tool.namespaces = process_namespaces_event; 2520 if (script->show_cgroup_events) 2521 script->tool.cgroup = process_cgroup_event; 2522 if (script->show_lost_events) 2523 script->tool.lost = process_lost_event; 2524 if (script->show_round_events) { 2525 script->tool.ordered_events = false; 2526 script->tool.finished_round = process_finished_round_event; 2527 } 2528 if (script->show_bpf_events) { 2529 script->tool.ksymbol = process_bpf_events; 2530 script->tool.bpf = process_bpf_events; 2531 } 2532 if (script->show_text_poke_events) { 2533 script->tool.ksymbol = process_bpf_events; 2534 script->tool.text_poke = process_text_poke_events; 2535 } 2536 2537 if (perf_script__setup_per_event_dump(script)) { 2538 pr_err("Couldn't create the per event dump files\n"); 2539 return -1; 2540 } 2541 2542 ret = perf_session__process_events(script->session); 2543 2544 if (script->per_event_dump) 2545 perf_script__exit_per_event_dump_stats(script); 2546 2547 if (debug_mode) 2548 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); 2549 2550 return ret; 2551 } 2552 2553 struct script_spec { 2554 struct list_head node; 2555 struct scripting_ops *ops; 2556 char spec[]; 2557 }; 2558 2559 static LIST_HEAD(script_specs); 2560 2561 static struct script_spec *script_spec__new(const char *spec, 2562 struct scripting_ops *ops) 2563 { 2564 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); 2565 2566 if (s != NULL) { 2567 strcpy(s->spec, spec); 2568 s->ops = ops; 2569 } 2570 2571 return s; 2572 } 2573 2574 static void script_spec__add(struct script_spec *s) 2575 { 2576 list_add_tail(&s->node, &script_specs); 2577 } 2578 2579 static struct script_spec *script_spec__find(const char *spec) 2580 { 2581 struct script_spec *s; 2582 2583 list_for_each_entry(s, &script_specs, node) 2584 if (strcasecmp(s->spec, spec) == 0) 2585 return s; 2586 return NULL; 2587 } 2588 2589 int script_spec_register(const char *spec, struct scripting_ops *ops) 2590 { 2591 struct script_spec *s; 2592 2593 s = script_spec__find(spec); 2594 if (s) 2595 return -1; 2596 2597 s = script_spec__new(spec, ops); 2598 if (!s) 2599 return -1; 2600 else 2601 script_spec__add(s); 2602 2603 return 0; 2604 } 2605 2606 static struct scripting_ops *script_spec__lookup(const char *spec) 2607 { 2608 struct script_spec *s = script_spec__find(spec); 2609 if (!s) 2610 return NULL; 2611 2612 return s->ops; 2613 } 2614 2615 static void list_available_languages(void) 2616 { 2617 struct script_spec *s; 2618 2619 fprintf(stderr, "\n"); 2620 fprintf(stderr, "Scripting language extensions (used in " 2621 "perf script -s [spec:]script.[spec]):\n\n"); 2622 2623 list_for_each_entry(s, &script_specs, node) 2624 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); 2625 2626 fprintf(stderr, "\n"); 2627 } 2628 2629 static int parse_scriptname(const struct option *opt __maybe_unused, 2630 const char *str, int unset __maybe_unused) 2631 { 2632 char spec[PATH_MAX]; 2633 const char *script, *ext; 2634 int len; 2635 2636 if (strcmp(str, "lang") == 0) { 2637 list_available_languages(); 2638 exit(0); 2639 } 2640 2641 script = strchr(str, ':'); 2642 if (script) { 2643 len = script - str; 2644 if (len >= PATH_MAX) { 2645 fprintf(stderr, "invalid language specifier"); 2646 return -1; 2647 } 2648 strncpy(spec, str, len); 2649 spec[len] = '\0'; 2650 scripting_ops = script_spec__lookup(spec); 2651 if (!scripting_ops) { 2652 fprintf(stderr, "invalid language specifier"); 2653 return -1; 2654 } 2655 script++; 2656 } else { 2657 script = str; 2658 ext = strrchr(script, '.'); 2659 if (!ext) { 2660 fprintf(stderr, "invalid script extension"); 2661 return -1; 2662 } 2663 scripting_ops = script_spec__lookup(++ext); 2664 if (!scripting_ops) { 2665 fprintf(stderr, "invalid script extension"); 2666 return -1; 2667 } 2668 } 2669 2670 script_name = strdup(script); 2671 2672 return 0; 2673 } 2674 2675 static int parse_output_fields(const struct option *opt __maybe_unused, 2676 const char *arg, int unset __maybe_unused) 2677 { 2678 char *tok, *strtok_saveptr = NULL; 2679 int i, imax = ARRAY_SIZE(all_output_options); 2680 int j; 2681 int rc = 0; 2682 char *str = strdup(arg); 2683 int type = -1; 2684 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT; 2685 2686 if (!str) 2687 return -ENOMEM; 2688 2689 /* first word can state for which event type the user is specifying 2690 * the fields. If no type exists, the specified fields apply to all 2691 * event types found in the file minus the invalid fields for a type. 2692 */ 2693 tok = strchr(str, ':'); 2694 if (tok) { 2695 *tok = '\0'; 2696 tok++; 2697 if (!strcmp(str, "hw")) 2698 type = PERF_TYPE_HARDWARE; 2699 else if (!strcmp(str, "sw")) 2700 type = PERF_TYPE_SOFTWARE; 2701 else if (!strcmp(str, "trace")) 2702 type = PERF_TYPE_TRACEPOINT; 2703 else if (!strcmp(str, "raw")) 2704 type = PERF_TYPE_RAW; 2705 else if (!strcmp(str, "break")) 2706 type = PERF_TYPE_BREAKPOINT; 2707 else if (!strcmp(str, "synth")) 2708 type = OUTPUT_TYPE_SYNTH; 2709 else { 2710 fprintf(stderr, "Invalid event type in field string.\n"); 2711 rc = -EINVAL; 2712 goto out; 2713 } 2714 2715 if (output[type].user_set) 2716 pr_warning("Overriding previous field request for %s events.\n", 2717 event_type(type)); 2718 2719 /* Don't override defaults for +- */ 2720 if (strchr(tok, '+') || strchr(tok, '-')) 2721 goto parse; 2722 2723 output[type].fields = 0; 2724 output[type].user_set = true; 2725 output[type].wildcard_set = false; 2726 2727 } else { 2728 tok = str; 2729 if (strlen(str) == 0) { 2730 fprintf(stderr, 2731 "Cannot set fields to 'none' for all event types.\n"); 2732 rc = -EINVAL; 2733 goto out; 2734 } 2735 2736 /* Don't override defaults for +- */ 2737 if (strchr(str, '+') || strchr(str, '-')) 2738 goto parse; 2739 2740 if (output_set_by_user()) 2741 pr_warning("Overriding previous field request for all events.\n"); 2742 2743 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 2744 output[j].fields = 0; 2745 output[j].user_set = true; 2746 output[j].wildcard_set = true; 2747 } 2748 } 2749 2750 parse: 2751 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) { 2752 if (*tok == '+') { 2753 if (change == SET) 2754 goto out_badmix; 2755 change = ADD; 2756 tok++; 2757 } else if (*tok == '-') { 2758 if (change == SET) 2759 goto out_badmix; 2760 change = REMOVE; 2761 tok++; 2762 } else { 2763 if (change != SET && change != DEFAULT) 2764 goto out_badmix; 2765 change = SET; 2766 } 2767 2768 for (i = 0; i < imax; ++i) { 2769 if (strcmp(tok, all_output_options[i].str) == 0) 2770 break; 2771 } 2772 if (i == imax && strcmp(tok, "flags") == 0) { 2773 print_flags = change == REMOVE ? false : true; 2774 continue; 2775 } 2776 if (i == imax) { 2777 fprintf(stderr, "Invalid field requested.\n"); 2778 rc = -EINVAL; 2779 goto out; 2780 } 2781 2782 if (type == -1) { 2783 /* add user option to all events types for 2784 * which it is valid 2785 */ 2786 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 2787 if (output[j].invalid_fields & all_output_options[i].field) { 2788 pr_warning("\'%s\' not valid for %s events. Ignoring.\n", 2789 all_output_options[i].str, event_type(j)); 2790 } else { 2791 if (change == REMOVE) { 2792 output[j].fields &= ~all_output_options[i].field; 2793 output[j].user_set_fields &= ~all_output_options[i].field; 2794 output[j].user_unset_fields |= all_output_options[i].field; 2795 } else { 2796 output[j].fields |= all_output_options[i].field; 2797 output[j].user_set_fields |= all_output_options[i].field; 2798 output[j].user_unset_fields &= ~all_output_options[i].field; 2799 } 2800 output[j].user_set = true; 2801 output[j].wildcard_set = true; 2802 } 2803 } 2804 } else { 2805 if (output[type].invalid_fields & all_output_options[i].field) { 2806 fprintf(stderr, "\'%s\' not valid for %s events.\n", 2807 all_output_options[i].str, event_type(type)); 2808 2809 rc = -EINVAL; 2810 goto out; 2811 } 2812 if (change == REMOVE) 2813 output[type].fields &= ~all_output_options[i].field; 2814 else 2815 output[type].fields |= all_output_options[i].field; 2816 output[type].user_set = true; 2817 output[type].wildcard_set = true; 2818 } 2819 } 2820 2821 if (type >= 0) { 2822 if (output[type].fields == 0) { 2823 pr_debug("No fields requested for %s type. " 2824 "Events will not be displayed.\n", event_type(type)); 2825 } 2826 } 2827 goto out; 2828 2829 out_badmix: 2830 fprintf(stderr, "Cannot mix +-field with overridden fields\n"); 2831 rc = -EINVAL; 2832 out: 2833 free(str); 2834 return rc; 2835 } 2836 2837 #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \ 2838 while ((lang_dirent = readdir(scripts_dir)) != NULL) \ 2839 if ((lang_dirent->d_type == DT_DIR || \ 2840 (lang_dirent->d_type == DT_UNKNOWN && \ 2841 is_directory(scripts_path, lang_dirent))) && \ 2842 (strcmp(lang_dirent->d_name, ".")) && \ 2843 (strcmp(lang_dirent->d_name, ".."))) 2844 2845 #define for_each_script(lang_path, lang_dir, script_dirent) \ 2846 while ((script_dirent = readdir(lang_dir)) != NULL) \ 2847 if (script_dirent->d_type != DT_DIR && \ 2848 (script_dirent->d_type != DT_UNKNOWN || \ 2849 !is_directory(lang_path, script_dirent))) 2850 2851 2852 #define RECORD_SUFFIX "-record" 2853 #define REPORT_SUFFIX "-report" 2854 2855 struct script_desc { 2856 struct list_head node; 2857 char *name; 2858 char *half_liner; 2859 char *args; 2860 }; 2861 2862 static LIST_HEAD(script_descs); 2863 2864 static struct script_desc *script_desc__new(const char *name) 2865 { 2866 struct script_desc *s = zalloc(sizeof(*s)); 2867 2868 if (s != NULL && name) 2869 s->name = strdup(name); 2870 2871 return s; 2872 } 2873 2874 static void script_desc__delete(struct script_desc *s) 2875 { 2876 zfree(&s->name); 2877 zfree(&s->half_liner); 2878 zfree(&s->args); 2879 free(s); 2880 } 2881 2882 static void script_desc__add(struct script_desc *s) 2883 { 2884 list_add_tail(&s->node, &script_descs); 2885 } 2886 2887 static struct script_desc *script_desc__find(const char *name) 2888 { 2889 struct script_desc *s; 2890 2891 list_for_each_entry(s, &script_descs, node) 2892 if (strcasecmp(s->name, name) == 0) 2893 return s; 2894 return NULL; 2895 } 2896 2897 static struct script_desc *script_desc__findnew(const char *name) 2898 { 2899 struct script_desc *s = script_desc__find(name); 2900 2901 if (s) 2902 return s; 2903 2904 s = script_desc__new(name); 2905 if (!s) 2906 return NULL; 2907 2908 script_desc__add(s); 2909 2910 return s; 2911 } 2912 2913 static const char *ends_with(const char *str, const char *suffix) 2914 { 2915 size_t suffix_len = strlen(suffix); 2916 const char *p = str; 2917 2918 if (strlen(str) > suffix_len) { 2919 p = str + strlen(str) - suffix_len; 2920 if (!strncmp(p, suffix, suffix_len)) 2921 return p; 2922 } 2923 2924 return NULL; 2925 } 2926 2927 static int read_script_info(struct script_desc *desc, const char *filename) 2928 { 2929 char line[BUFSIZ], *p; 2930 FILE *fp; 2931 2932 fp = fopen(filename, "r"); 2933 if (!fp) 2934 return -1; 2935 2936 while (fgets(line, sizeof(line), fp)) { 2937 p = skip_spaces(line); 2938 if (strlen(p) == 0) 2939 continue; 2940 if (*p != '#') 2941 continue; 2942 p++; 2943 if (strlen(p) && *p == '!') 2944 continue; 2945 2946 p = skip_spaces(p); 2947 if (strlen(p) && p[strlen(p) - 1] == '\n') 2948 p[strlen(p) - 1] = '\0'; 2949 2950 if (!strncmp(p, "description:", strlen("description:"))) { 2951 p += strlen("description:"); 2952 desc->half_liner = strdup(skip_spaces(p)); 2953 continue; 2954 } 2955 2956 if (!strncmp(p, "args:", strlen("args:"))) { 2957 p += strlen("args:"); 2958 desc->args = strdup(skip_spaces(p)); 2959 continue; 2960 } 2961 } 2962 2963 fclose(fp); 2964 2965 return 0; 2966 } 2967 2968 static char *get_script_root(struct dirent *script_dirent, const char *suffix) 2969 { 2970 char *script_root, *str; 2971 2972 script_root = strdup(script_dirent->d_name); 2973 if (!script_root) 2974 return NULL; 2975 2976 str = (char *)ends_with(script_root, suffix); 2977 if (!str) { 2978 free(script_root); 2979 return NULL; 2980 } 2981 2982 *str = '\0'; 2983 return script_root; 2984 } 2985 2986 static int list_available_scripts(const struct option *opt __maybe_unused, 2987 const char *s __maybe_unused, 2988 int unset __maybe_unused) 2989 { 2990 struct dirent *script_dirent, *lang_dirent; 2991 char scripts_path[MAXPATHLEN]; 2992 DIR *scripts_dir, *lang_dir; 2993 char script_path[MAXPATHLEN]; 2994 char lang_path[MAXPATHLEN]; 2995 struct script_desc *desc; 2996 char first_half[BUFSIZ]; 2997 char *script_root; 2998 2999 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3000 3001 scripts_dir = opendir(scripts_path); 3002 if (!scripts_dir) { 3003 fprintf(stdout, 3004 "open(%s) failed.\n" 3005 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n", 3006 scripts_path); 3007 exit(-1); 3008 } 3009 3010 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3011 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3012 lang_dirent->d_name); 3013 lang_dir = opendir(lang_path); 3014 if (!lang_dir) 3015 continue; 3016 3017 for_each_script(lang_path, lang_dir, script_dirent) { 3018 script_root = get_script_root(script_dirent, REPORT_SUFFIX); 3019 if (script_root) { 3020 desc = script_desc__findnew(script_root); 3021 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3022 lang_path, script_dirent->d_name); 3023 read_script_info(desc, script_path); 3024 free(script_root); 3025 } 3026 } 3027 } 3028 3029 fprintf(stdout, "List of available trace scripts:\n"); 3030 list_for_each_entry(desc, &script_descs, node) { 3031 sprintf(first_half, "%s %s", desc->name, 3032 desc->args ? desc->args : ""); 3033 fprintf(stdout, " %-36s %s\n", first_half, 3034 desc->half_liner ? desc->half_liner : ""); 3035 } 3036 3037 exit(0); 3038 } 3039 3040 /* 3041 * Some scripts specify the required events in their "xxx-record" file, 3042 * this function will check if the events in perf.data match those 3043 * mentioned in the "xxx-record". 3044 * 3045 * Fixme: All existing "xxx-record" are all in good formats "-e event ", 3046 * which is covered well now. And new parsing code should be added to 3047 * cover the future complexing formats like event groups etc. 3048 */ 3049 static int check_ev_match(char *dir_name, char *scriptname, 3050 struct perf_session *session) 3051 { 3052 char filename[MAXPATHLEN], evname[128]; 3053 char line[BUFSIZ], *p; 3054 struct evsel *pos; 3055 int match, len; 3056 FILE *fp; 3057 3058 scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname); 3059 3060 fp = fopen(filename, "r"); 3061 if (!fp) 3062 return -1; 3063 3064 while (fgets(line, sizeof(line), fp)) { 3065 p = skip_spaces(line); 3066 if (*p == '#') 3067 continue; 3068 3069 while (strlen(p)) { 3070 p = strstr(p, "-e"); 3071 if (!p) 3072 break; 3073 3074 p += 2; 3075 p = skip_spaces(p); 3076 len = strcspn(p, " \t"); 3077 if (!len) 3078 break; 3079 3080 snprintf(evname, len + 1, "%s", p); 3081 3082 match = 0; 3083 evlist__for_each_entry(session->evlist, pos) { 3084 if (!strcmp(evsel__name(pos), evname)) { 3085 match = 1; 3086 break; 3087 } 3088 } 3089 3090 if (!match) { 3091 fclose(fp); 3092 return -1; 3093 } 3094 } 3095 } 3096 3097 fclose(fp); 3098 return 0; 3099 } 3100 3101 /* 3102 * Return -1 if none is found, otherwise the actual scripts number. 3103 * 3104 * Currently the only user of this function is the script browser, which 3105 * will list all statically runnable scripts, select one, execute it and 3106 * show the output in a perf browser. 3107 */ 3108 int find_scripts(char **scripts_array, char **scripts_path_array, int num, 3109 int pathlen) 3110 { 3111 struct dirent *script_dirent, *lang_dirent; 3112 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; 3113 DIR *scripts_dir, *lang_dir; 3114 struct perf_session *session; 3115 struct perf_data data = { 3116 .path = input_name, 3117 .mode = PERF_DATA_MODE_READ, 3118 }; 3119 char *temp; 3120 int i = 0; 3121 3122 session = perf_session__new(&data, false, NULL); 3123 if (IS_ERR(session)) 3124 return PTR_ERR(session); 3125 3126 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3127 3128 scripts_dir = opendir(scripts_path); 3129 if (!scripts_dir) { 3130 perf_session__delete(session); 3131 return -1; 3132 } 3133 3134 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3135 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, 3136 lang_dirent->d_name); 3137 #ifndef HAVE_LIBPERL_SUPPORT 3138 if (strstr(lang_path, "perl")) 3139 continue; 3140 #endif 3141 #ifndef HAVE_LIBPYTHON_SUPPORT 3142 if (strstr(lang_path, "python")) 3143 continue; 3144 #endif 3145 3146 lang_dir = opendir(lang_path); 3147 if (!lang_dir) 3148 continue; 3149 3150 for_each_script(lang_path, lang_dir, script_dirent) { 3151 /* Skip those real time scripts: xxxtop.p[yl] */ 3152 if (strstr(script_dirent->d_name, "top.")) 3153 continue; 3154 if (i >= num) 3155 break; 3156 snprintf(scripts_path_array[i], pathlen, "%s/%s", 3157 lang_path, 3158 script_dirent->d_name); 3159 temp = strchr(script_dirent->d_name, '.'); 3160 snprintf(scripts_array[i], 3161 (temp - script_dirent->d_name) + 1, 3162 "%s", script_dirent->d_name); 3163 3164 if (check_ev_match(lang_path, 3165 scripts_array[i], session)) 3166 continue; 3167 3168 i++; 3169 } 3170 closedir(lang_dir); 3171 } 3172 3173 closedir(scripts_dir); 3174 perf_session__delete(session); 3175 return i; 3176 } 3177 3178 static char *get_script_path(const char *script_root, const char *suffix) 3179 { 3180 struct dirent *script_dirent, *lang_dirent; 3181 char scripts_path[MAXPATHLEN]; 3182 char script_path[MAXPATHLEN]; 3183 DIR *scripts_dir, *lang_dir; 3184 char lang_path[MAXPATHLEN]; 3185 char *__script_root; 3186 3187 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3188 3189 scripts_dir = opendir(scripts_path); 3190 if (!scripts_dir) 3191 return NULL; 3192 3193 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3194 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3195 lang_dirent->d_name); 3196 lang_dir = opendir(lang_path); 3197 if (!lang_dir) 3198 continue; 3199 3200 for_each_script(lang_path, lang_dir, script_dirent) { 3201 __script_root = get_script_root(script_dirent, suffix); 3202 if (__script_root && !strcmp(script_root, __script_root)) { 3203 free(__script_root); 3204 closedir(scripts_dir); 3205 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3206 lang_path, script_dirent->d_name); 3207 closedir(lang_dir); 3208 return strdup(script_path); 3209 } 3210 free(__script_root); 3211 } 3212 closedir(lang_dir); 3213 } 3214 closedir(scripts_dir); 3215 3216 return NULL; 3217 } 3218 3219 static bool is_top_script(const char *script_path) 3220 { 3221 return ends_with(script_path, "top") == NULL ? false : true; 3222 } 3223 3224 static int has_required_arg(char *script_path) 3225 { 3226 struct script_desc *desc; 3227 int n_args = 0; 3228 char *p; 3229 3230 desc = script_desc__new(NULL); 3231 3232 if (read_script_info(desc, script_path)) 3233 goto out; 3234 3235 if (!desc->args) 3236 goto out; 3237 3238 for (p = desc->args; *p; p++) 3239 if (*p == '<') 3240 n_args++; 3241 out: 3242 script_desc__delete(desc); 3243 3244 return n_args; 3245 } 3246 3247 static int have_cmd(int argc, const char **argv) 3248 { 3249 char **__argv = malloc(sizeof(const char *) * argc); 3250 3251 if (!__argv) { 3252 pr_err("malloc failed\n"); 3253 return -1; 3254 } 3255 3256 memcpy(__argv, argv, sizeof(const char *) * argc); 3257 argc = parse_options(argc, (const char **)__argv, record_options, 3258 NULL, PARSE_OPT_STOP_AT_NON_OPTION); 3259 free(__argv); 3260 3261 system_wide = (argc == 0); 3262 3263 return 0; 3264 } 3265 3266 static void script__setup_sample_type(struct perf_script *script) 3267 { 3268 struct perf_session *session = script->session; 3269 u64 sample_type = evlist__combined_sample_type(session->evlist); 3270 3271 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) { 3272 if ((sample_type & PERF_SAMPLE_REGS_USER) && 3273 (sample_type & PERF_SAMPLE_STACK_USER)) { 3274 callchain_param.record_mode = CALLCHAIN_DWARF; 3275 dwarf_callchain_users = true; 3276 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK) 3277 callchain_param.record_mode = CALLCHAIN_LBR; 3278 else 3279 callchain_param.record_mode = CALLCHAIN_FP; 3280 } 3281 3282 if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) { 3283 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n" 3284 "Please apply --call-graph lbr when recording.\n"); 3285 script->stitch_lbr = false; 3286 } 3287 } 3288 3289 static int process_stat_round_event(struct perf_session *session, 3290 union perf_event *event) 3291 { 3292 struct perf_record_stat_round *round = &event->stat_round; 3293 struct evsel *counter; 3294 3295 evlist__for_each_entry(session->evlist, counter) { 3296 perf_stat_process_counter(&stat_config, counter); 3297 process_stat(counter, round->time); 3298 } 3299 3300 process_stat_interval(round->time); 3301 return 0; 3302 } 3303 3304 static int process_stat_config_event(struct perf_session *session __maybe_unused, 3305 union perf_event *event) 3306 { 3307 perf_event__read_stat_config(&stat_config, &event->stat_config); 3308 return 0; 3309 } 3310 3311 static int set_maps(struct perf_script *script) 3312 { 3313 struct evlist *evlist = script->session->evlist; 3314 3315 if (!script->cpus || !script->threads) 3316 return 0; 3317 3318 if (WARN_ONCE(script->allocated, "stats double allocation\n")) 3319 return -EINVAL; 3320 3321 perf_evlist__set_maps(&evlist->core, script->cpus, script->threads); 3322 3323 if (evlist__alloc_stats(evlist, true)) 3324 return -ENOMEM; 3325 3326 script->allocated = true; 3327 return 0; 3328 } 3329 3330 static 3331 int process_thread_map_event(struct perf_session *session, 3332 union perf_event *event) 3333 { 3334 struct perf_tool *tool = session->tool; 3335 struct perf_script *script = container_of(tool, struct perf_script, tool); 3336 3337 if (script->threads) { 3338 pr_warning("Extra thread map event, ignoring.\n"); 3339 return 0; 3340 } 3341 3342 script->threads = thread_map__new_event(&event->thread_map); 3343 if (!script->threads) 3344 return -ENOMEM; 3345 3346 return set_maps(script); 3347 } 3348 3349 static 3350 int process_cpu_map_event(struct perf_session *session, 3351 union perf_event *event) 3352 { 3353 struct perf_tool *tool = session->tool; 3354 struct perf_script *script = container_of(tool, struct perf_script, tool); 3355 3356 if (script->cpus) { 3357 pr_warning("Extra cpu map event, ignoring.\n"); 3358 return 0; 3359 } 3360 3361 script->cpus = cpu_map__new_data(&event->cpu_map.data); 3362 if (!script->cpus) 3363 return -ENOMEM; 3364 3365 return set_maps(script); 3366 } 3367 3368 static int process_feature_event(struct perf_session *session, 3369 union perf_event *event) 3370 { 3371 if (event->feat.feat_id < HEADER_LAST_FEATURE) 3372 return perf_event__process_feature(session, event); 3373 return 0; 3374 } 3375 3376 #ifdef HAVE_AUXTRACE_SUPPORT 3377 static int perf_script__process_auxtrace_info(struct perf_session *session, 3378 union perf_event *event) 3379 { 3380 struct perf_tool *tool = session->tool; 3381 3382 int ret = perf_event__process_auxtrace_info(session, event); 3383 3384 if (ret == 0) { 3385 struct perf_script *script = container_of(tool, struct perf_script, tool); 3386 3387 ret = perf_script__setup_per_event_dump(script); 3388 } 3389 3390 return ret; 3391 } 3392 #else 3393 #define perf_script__process_auxtrace_info 0 3394 #endif 3395 3396 static int parse_insn_trace(const struct option *opt __maybe_unused, 3397 const char *str __maybe_unused, 3398 int unset __maybe_unused) 3399 { 3400 parse_output_fields(NULL, "+insn,-event,-period", 0); 3401 itrace_parse_synth_opts(opt, "i0ns", 0); 3402 symbol_conf.nanosecs = true; 3403 return 0; 3404 } 3405 3406 static int parse_xed(const struct option *opt __maybe_unused, 3407 const char *str __maybe_unused, 3408 int unset __maybe_unused) 3409 { 3410 if (isatty(1)) 3411 force_pager("xed -F insn: -A -64 | less"); 3412 else 3413 force_pager("xed -F insn: -A -64"); 3414 return 0; 3415 } 3416 3417 static int parse_call_trace(const struct option *opt __maybe_unused, 3418 const char *str __maybe_unused, 3419 int unset __maybe_unused) 3420 { 3421 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0); 3422 itrace_parse_synth_opts(opt, "cewp", 0); 3423 symbol_conf.nanosecs = true; 3424 symbol_conf.pad_output_len_dso = 50; 3425 return 0; 3426 } 3427 3428 static int parse_callret_trace(const struct option *opt __maybe_unused, 3429 const char *str __maybe_unused, 3430 int unset __maybe_unused) 3431 { 3432 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0); 3433 itrace_parse_synth_opts(opt, "crewp", 0); 3434 symbol_conf.nanosecs = true; 3435 return 0; 3436 } 3437 3438 int cmd_script(int argc, const char **argv) 3439 { 3440 bool show_full_info = false; 3441 bool header = false; 3442 bool header_only = false; 3443 bool script_started = false; 3444 char *rec_script_path = NULL; 3445 char *rep_script_path = NULL; 3446 struct perf_session *session; 3447 struct itrace_synth_opts itrace_synth_opts = { 3448 .set = false, 3449 .default_no_sample = true, 3450 }; 3451 struct utsname uts; 3452 char *script_path = NULL; 3453 const char **__argv; 3454 int i, j, err = 0; 3455 struct perf_script script = { 3456 .tool = { 3457 .sample = process_sample_event, 3458 .mmap = perf_event__process_mmap, 3459 .mmap2 = perf_event__process_mmap2, 3460 .comm = perf_event__process_comm, 3461 .namespaces = perf_event__process_namespaces, 3462 .cgroup = perf_event__process_cgroup, 3463 .exit = perf_event__process_exit, 3464 .fork = perf_event__process_fork, 3465 .attr = process_attr, 3466 .event_update = perf_event__process_event_update, 3467 .tracing_data = perf_event__process_tracing_data, 3468 .feature = process_feature_event, 3469 .build_id = perf_event__process_build_id, 3470 .id_index = perf_event__process_id_index, 3471 .auxtrace_info = perf_script__process_auxtrace_info, 3472 .auxtrace = perf_event__process_auxtrace, 3473 .auxtrace_error = perf_event__process_auxtrace_error, 3474 .stat = perf_event__process_stat_event, 3475 .stat_round = process_stat_round_event, 3476 .stat_config = process_stat_config_event, 3477 .thread_map = process_thread_map_event, 3478 .cpu_map = process_cpu_map_event, 3479 .ordered_events = true, 3480 .ordering_requires_timestamps = true, 3481 }, 3482 }; 3483 struct perf_data data = { 3484 .mode = PERF_DATA_MODE_READ, 3485 }; 3486 const struct option options[] = { 3487 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 3488 "dump raw trace in ASCII"), 3489 OPT_INCR('v', "verbose", &verbose, 3490 "be more verbose (show symbol address, etc)"), 3491 OPT_BOOLEAN('L', "Latency", &latency_format, 3492 "show latency attributes (irqs/preemption disabled, etc)"), 3493 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", 3494 list_available_scripts), 3495 OPT_CALLBACK('s', "script", NULL, "name", 3496 "script file name (lang:script name, script name, or *)", 3497 parse_scriptname), 3498 OPT_STRING('g', "gen-script", &generate_script_lang, "lang", 3499 "generate perf-script.xx script in specified language"), 3500 OPT_STRING('i', "input", &input_name, "file", "input file name"), 3501 OPT_BOOLEAN('d', "debug-mode", &debug_mode, 3502 "do various checks like samples ordering and lost events"), 3503 OPT_BOOLEAN(0, "header", &header, "Show data header."), 3504 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."), 3505 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 3506 "file", "vmlinux pathname"), 3507 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 3508 "file", "kallsyms pathname"), 3509 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, 3510 "When printing symbols do not display call chain"), 3511 OPT_CALLBACK(0, "symfs", NULL, "directory", 3512 "Look for files with symbols relative to this directory", 3513 symbol__config_symfs), 3514 OPT_CALLBACK('F', "fields", NULL, "str", 3515 "comma separated output fields prepend with 'type:'. " 3516 "+field to add and -field to remove." 3517 "Valid types: hw,sw,trace,raw,synth. " 3518 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso," 3519 "addr,symoff,srcline,period,iregs,uregs,brstack," 3520 "brstacksym,flags,bpf-output,brstackinsn,brstackoff," 3521 "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc,tod," 3522 "data_page_size", 3523 parse_output_fields), 3524 OPT_BOOLEAN('a', "all-cpus", &system_wide, 3525 "system-wide collection from all CPUs"), 3526 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 3527 "only consider these symbols"), 3528 OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL, 3529 "Decode instructions from itrace", parse_insn_trace), 3530 OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL, 3531 "Run xed disassembler on output", parse_xed), 3532 OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL, 3533 "Decode calls from from itrace", parse_call_trace), 3534 OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL, 3535 "Decode calls and returns from itrace", parse_callret_trace), 3536 OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]", 3537 "Only print symbols and callees with --call-trace/--call-ret-trace"), 3538 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]", 3539 "Stop display of callgraph at these symbols"), 3540 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), 3541 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 3542 "only display events for these comms"), 3543 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 3544 "only consider symbols in these pids"), 3545 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 3546 "only consider symbols in these tids"), 3547 OPT_UINTEGER(0, "max-stack", &scripting_max_stack, 3548 "Set the maximum stack depth when parsing the callchain, " 3549 "anything beyond the specified depth will be ignored. " 3550 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 3551 OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"), 3552 OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"), 3553 OPT_BOOLEAN('I', "show-info", &show_full_info, 3554 "display extended information from perf.data file"), 3555 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, 3556 "Show the path of [kernel.kallsyms]"), 3557 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, 3558 "Show the fork/comm/exit events"), 3559 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, 3560 "Show the mmap events"), 3561 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events, 3562 "Show context switch events (if recorded)"), 3563 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events, 3564 "Show namespace events (if recorded)"), 3565 OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events, 3566 "Show cgroup events (if recorded)"), 3567 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events, 3568 "Show lost events (if recorded)"), 3569 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events, 3570 "Show round events (if recorded)"), 3571 OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events, 3572 "Show bpf related events (if recorded)"), 3573 OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events, 3574 "Show text poke related events (if recorded)"), 3575 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump, 3576 "Dump trace output to files named by the monitored events"), 3577 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 3578 OPT_INTEGER(0, "max-blocks", &max_blocks, 3579 "Maximum number of code blocks to dump with brstackinsn"), 3580 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, 3581 "Use 9 decimal places when displaying time"), 3582 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 3583 "Instruction Tracing options\n" ITRACE_HELP, 3584 itrace_parse_synth_opts), 3585 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 3586 "Show full source file name path for source lines"), 3587 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 3588 "Enable symbol demangling"), 3589 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 3590 "Enable kernel symbol demangling"), 3591 OPT_STRING(0, "time", &script.time_str, "str", 3592 "Time span of interest (start,stop)"), 3593 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 3594 "Show inline function"), 3595 OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory", 3596 "guest mount directory under which every guest os" 3597 " instance has a subdir"), 3598 OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name, 3599 "file", "file saving guest os vmlinux"), 3600 OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms, 3601 "file", "file saving guest os /proc/kallsyms"), 3602 OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules, 3603 "file", "file saving guest os /proc/modules"), 3604 OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr, 3605 "Enable LBR callgraph stitching approach"), 3606 OPTS_EVSWITCH(&script.evswitch), 3607 OPT_END() 3608 }; 3609 const char * const script_subcommands[] = { "record", "report", NULL }; 3610 const char *script_usage[] = { 3611 "perf script [<options>]", 3612 "perf script [<options>] record <script> [<record-options>] <command>", 3613 "perf script [<options>] report <script> [script-args]", 3614 "perf script [<options>] <script> [<record-options>] <command>", 3615 "perf script [<options>] <top-script> [script-args]", 3616 NULL 3617 }; 3618 3619 perf_set_singlethreaded(); 3620 3621 setup_scripting(); 3622 3623 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage, 3624 PARSE_OPT_STOP_AT_NON_OPTION); 3625 3626 if (symbol_conf.guestmount || 3627 symbol_conf.default_guest_vmlinux_name || 3628 symbol_conf.default_guest_kallsyms || 3629 symbol_conf.default_guest_modules) { 3630 /* 3631 * Enable guest sample processing. 3632 */ 3633 perf_guest = true; 3634 } 3635 3636 data.path = input_name; 3637 data.force = symbol_conf.force; 3638 3639 if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) { 3640 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); 3641 if (!rec_script_path) 3642 return cmd_record(argc, argv); 3643 } 3644 3645 if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) { 3646 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); 3647 if (!rep_script_path) { 3648 fprintf(stderr, 3649 "Please specify a valid report script" 3650 "(see 'perf script -l' for listing)\n"); 3651 return -1; 3652 } 3653 } 3654 3655 if (reltime && deltatime) { 3656 fprintf(stderr, 3657 "reltime and deltatime - the two don't get along well. " 3658 "Please limit to --reltime or --deltatime.\n"); 3659 return -1; 3660 } 3661 3662 if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) && 3663 itrace_synth_opts.callchain_sz > scripting_max_stack) 3664 scripting_max_stack = itrace_synth_opts.callchain_sz; 3665 3666 /* make sure PERF_EXEC_PATH is set for scripts */ 3667 set_argv_exec_path(get_argv_exec_path()); 3668 3669 if (argc && !script_name && !rec_script_path && !rep_script_path) { 3670 int live_pipe[2]; 3671 int rep_args; 3672 pid_t pid; 3673 3674 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); 3675 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); 3676 3677 if (!rec_script_path && !rep_script_path) { 3678 usage_with_options_msg(script_usage, options, 3679 "Couldn't find script `%s'\n\n See perf" 3680 " script -l for available scripts.\n", argv[0]); 3681 } 3682 3683 if (is_top_script(argv[0])) { 3684 rep_args = argc - 1; 3685 } else { 3686 int rec_args; 3687 3688 rep_args = has_required_arg(rep_script_path); 3689 rec_args = (argc - 1) - rep_args; 3690 if (rec_args < 0) { 3691 usage_with_options_msg(script_usage, options, 3692 "`%s' script requires options." 3693 "\n\n See perf script -l for available " 3694 "scripts and options.\n", argv[0]); 3695 } 3696 } 3697 3698 if (pipe(live_pipe) < 0) { 3699 perror("failed to create pipe"); 3700 return -1; 3701 } 3702 3703 pid = fork(); 3704 if (pid < 0) { 3705 perror("failed to fork"); 3706 return -1; 3707 } 3708 3709 if (!pid) { 3710 j = 0; 3711 3712 dup2(live_pipe[1], 1); 3713 close(live_pipe[0]); 3714 3715 if (is_top_script(argv[0])) { 3716 system_wide = true; 3717 } else if (!system_wide) { 3718 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { 3719 err = -1; 3720 goto out; 3721 } 3722 } 3723 3724 __argv = malloc((argc + 6) * sizeof(const char *)); 3725 if (!__argv) { 3726 pr_err("malloc failed\n"); 3727 err = -ENOMEM; 3728 goto out; 3729 } 3730 3731 __argv[j++] = "/bin/sh"; 3732 __argv[j++] = rec_script_path; 3733 if (system_wide) 3734 __argv[j++] = "-a"; 3735 __argv[j++] = "-q"; 3736 __argv[j++] = "-o"; 3737 __argv[j++] = "-"; 3738 for (i = rep_args + 1; i < argc; i++) 3739 __argv[j++] = argv[i]; 3740 __argv[j++] = NULL; 3741 3742 execvp("/bin/sh", (char **)__argv); 3743 free(__argv); 3744 exit(-1); 3745 } 3746 3747 dup2(live_pipe[0], 0); 3748 close(live_pipe[1]); 3749 3750 __argv = malloc((argc + 4) * sizeof(const char *)); 3751 if (!__argv) { 3752 pr_err("malloc failed\n"); 3753 err = -ENOMEM; 3754 goto out; 3755 } 3756 3757 j = 0; 3758 __argv[j++] = "/bin/sh"; 3759 __argv[j++] = rep_script_path; 3760 for (i = 1; i < rep_args + 1; i++) 3761 __argv[j++] = argv[i]; 3762 __argv[j++] = "-i"; 3763 __argv[j++] = "-"; 3764 __argv[j++] = NULL; 3765 3766 execvp("/bin/sh", (char **)__argv); 3767 free(__argv); 3768 exit(-1); 3769 } 3770 3771 if (rec_script_path) 3772 script_path = rec_script_path; 3773 if (rep_script_path) 3774 script_path = rep_script_path; 3775 3776 if (script_path) { 3777 j = 0; 3778 3779 if (!rec_script_path) 3780 system_wide = false; 3781 else if (!system_wide) { 3782 if (have_cmd(argc - 1, &argv[1]) != 0) { 3783 err = -1; 3784 goto out; 3785 } 3786 } 3787 3788 __argv = malloc((argc + 2) * sizeof(const char *)); 3789 if (!__argv) { 3790 pr_err("malloc failed\n"); 3791 err = -ENOMEM; 3792 goto out; 3793 } 3794 3795 __argv[j++] = "/bin/sh"; 3796 __argv[j++] = script_path; 3797 if (system_wide) 3798 __argv[j++] = "-a"; 3799 for (i = 2; i < argc; i++) 3800 __argv[j++] = argv[i]; 3801 __argv[j++] = NULL; 3802 3803 execvp("/bin/sh", (char **)__argv); 3804 free(__argv); 3805 exit(-1); 3806 } 3807 3808 if (!script_name) { 3809 setup_pager(); 3810 use_browser = 0; 3811 } 3812 3813 session = perf_session__new(&data, false, &script.tool); 3814 if (IS_ERR(session)) 3815 return PTR_ERR(session); 3816 3817 if (header || header_only) { 3818 script.tool.show_feat_hdr = SHOW_FEAT_HEADER; 3819 perf_session__fprintf_info(session, stdout, show_full_info); 3820 if (header_only) 3821 goto out_delete; 3822 } 3823 if (show_full_info) 3824 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 3825 3826 if (symbol__init(&session->header.env) < 0) 3827 goto out_delete; 3828 3829 uname(&uts); 3830 if (data.is_pipe || /* assume pipe_mode indicates native_arch */ 3831 !strcmp(uts.machine, session->header.env.arch) || 3832 (!strcmp(uts.machine, "x86_64") && 3833 !strcmp(session->header.env.arch, "i386"))) 3834 native_arch = true; 3835 3836 script.session = session; 3837 script__setup_sample_type(&script); 3838 3839 if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) || 3840 symbol_conf.graph_function) 3841 itrace_synth_opts.thread_stack = true; 3842 3843 session->itrace_synth_opts = &itrace_synth_opts; 3844 3845 if (cpu_list) { 3846 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap); 3847 if (err < 0) 3848 goto out_delete; 3849 itrace_synth_opts.cpu_bitmap = cpu_bitmap; 3850 } 3851 3852 if (!no_callchain) 3853 symbol_conf.use_callchain = true; 3854 else 3855 symbol_conf.use_callchain = false; 3856 3857 if (session->tevent.pevent && 3858 tep_set_function_resolver(session->tevent.pevent, 3859 machine__resolve_kernel_addr, 3860 &session->machines.host) < 0) { 3861 pr_err("%s: failed to set libtraceevent function resolver\n", __func__); 3862 err = -1; 3863 goto out_delete; 3864 } 3865 3866 if (generate_script_lang) { 3867 struct stat perf_stat; 3868 int input; 3869 3870 if (output_set_by_user()) { 3871 fprintf(stderr, 3872 "custom fields not supported for generated scripts"); 3873 err = -EINVAL; 3874 goto out_delete; 3875 } 3876 3877 input = open(data.path, O_RDONLY); /* input_name */ 3878 if (input < 0) { 3879 err = -errno; 3880 perror("failed to open file"); 3881 goto out_delete; 3882 } 3883 3884 err = fstat(input, &perf_stat); 3885 if (err < 0) { 3886 perror("failed to stat file"); 3887 goto out_delete; 3888 } 3889 3890 if (!perf_stat.st_size) { 3891 fprintf(stderr, "zero-sized file, nothing to do!\n"); 3892 goto out_delete; 3893 } 3894 3895 scripting_ops = script_spec__lookup(generate_script_lang); 3896 if (!scripting_ops) { 3897 fprintf(stderr, "invalid language specifier"); 3898 err = -ENOENT; 3899 goto out_delete; 3900 } 3901 3902 err = scripting_ops->generate_script(session->tevent.pevent, 3903 "perf-script"); 3904 goto out_delete; 3905 } 3906 3907 if (script_name) { 3908 err = scripting_ops->start_script(script_name, argc, argv); 3909 if (err) 3910 goto out_delete; 3911 pr_debug("perf script started with script %s\n\n", script_name); 3912 script_started = true; 3913 } 3914 3915 3916 err = perf_session__check_output_opt(session); 3917 if (err < 0) 3918 goto out_delete; 3919 3920 if (script.time_str) { 3921 err = perf_time__parse_for_ranges_reltime(script.time_str, session, 3922 &script.ptime_range, 3923 &script.range_size, 3924 &script.range_num, 3925 reltime); 3926 if (err < 0) 3927 goto out_delete; 3928 3929 itrace_synth_opts__set_time_range(&itrace_synth_opts, 3930 script.ptime_range, 3931 script.range_num); 3932 } 3933 3934 err = evswitch__init(&script.evswitch, session->evlist, stderr); 3935 if (err) 3936 goto out_delete; 3937 3938 if (zstd_init(&(session->zstd_data), 0) < 0) 3939 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n"); 3940 3941 err = __cmd_script(&script); 3942 3943 flush_scripting(); 3944 3945 out_delete: 3946 if (script.ptime_range) { 3947 itrace_synth_opts__clear_time_range(&itrace_synth_opts); 3948 zfree(&script.ptime_range); 3949 } 3950 3951 evlist__free_stats(session->evlist); 3952 perf_session__delete(session); 3953 3954 if (script_started) 3955 cleanup_scripting(); 3956 out: 3957 return err; 3958 } 3959