1 // SPDX-License-Identifier: GPL-2.0 2 #include "builtin.h" 3 4 #include "util/counts.h" 5 #include "util/debug.h" 6 #include "util/dso.h" 7 #include <subcmd/exec-cmd.h> 8 #include "util/header.h" 9 #include <subcmd/parse-options.h> 10 #include "util/perf_regs.h" 11 #include "util/session.h" 12 #include "util/tool.h" 13 #include "util/map.h" 14 #include "util/srcline.h" 15 #include "util/symbol.h" 16 #include "util/thread.h" 17 #include "util/trace-event.h" 18 #include "util/evlist.h" 19 #include "util/evsel.h" 20 #include "util/evsel_fprintf.h" 21 #include "util/evswitch.h" 22 #include "util/sort.h" 23 #include "util/data.h" 24 #include "util/auxtrace.h" 25 #include "util/cpumap.h" 26 #include "util/thread_map.h" 27 #include "util/stat.h" 28 #include "util/color.h" 29 #include "util/string2.h" 30 #include "util/thread-stack.h" 31 #include "util/time-utils.h" 32 #include "util/path.h" 33 #include "ui/ui.h" 34 #include "print_binary.h" 35 #include "archinsn.h" 36 #include <linux/bitmap.h> 37 #include <linux/kernel.h> 38 #include <linux/stringify.h> 39 #include <linux/time64.h> 40 #include <linux/zalloc.h> 41 #include <sys/utsname.h> 42 #include "asm/bug.h" 43 #include "util/mem-events.h" 44 #include "util/dump-insn.h" 45 #include <dirent.h> 46 #include <errno.h> 47 #include <inttypes.h> 48 #include <signal.h> 49 #include <sys/param.h> 50 #include <sys/types.h> 51 #include <sys/stat.h> 52 #include <fcntl.h> 53 #include <unistd.h> 54 #include <subcmd/pager.h> 55 #include <perf/evlist.h> 56 #include <linux/err.h> 57 #include "util/record.h" 58 #include "util/util.h" 59 #include "perf.h" 60 61 #include <linux/ctype.h> 62 63 static char const *script_name; 64 static char const *generate_script_lang; 65 static bool reltime; 66 static bool deltatime; 67 static u64 initial_time; 68 static u64 previous_time; 69 static bool debug_mode; 70 static u64 last_timestamp; 71 static u64 nr_unordered; 72 static bool no_callchain; 73 static bool latency_format; 74 static bool system_wide; 75 static bool print_flags; 76 static const char *cpu_list; 77 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); 78 static struct perf_stat_config stat_config; 79 static int max_blocks; 80 static bool native_arch; 81 82 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH; 83 84 enum perf_output_field { 85 PERF_OUTPUT_COMM = 1ULL << 0, 86 PERF_OUTPUT_TID = 1ULL << 1, 87 PERF_OUTPUT_PID = 1ULL << 2, 88 PERF_OUTPUT_TIME = 1ULL << 3, 89 PERF_OUTPUT_CPU = 1ULL << 4, 90 PERF_OUTPUT_EVNAME = 1ULL << 5, 91 PERF_OUTPUT_TRACE = 1ULL << 6, 92 PERF_OUTPUT_IP = 1ULL << 7, 93 PERF_OUTPUT_SYM = 1ULL << 8, 94 PERF_OUTPUT_DSO = 1ULL << 9, 95 PERF_OUTPUT_ADDR = 1ULL << 10, 96 PERF_OUTPUT_SYMOFFSET = 1ULL << 11, 97 PERF_OUTPUT_SRCLINE = 1ULL << 12, 98 PERF_OUTPUT_PERIOD = 1ULL << 13, 99 PERF_OUTPUT_IREGS = 1ULL << 14, 100 PERF_OUTPUT_BRSTACK = 1ULL << 15, 101 PERF_OUTPUT_BRSTACKSYM = 1ULL << 16, 102 PERF_OUTPUT_DATA_SRC = 1ULL << 17, 103 PERF_OUTPUT_WEIGHT = 1ULL << 18, 104 PERF_OUTPUT_BPF_OUTPUT = 1ULL << 19, 105 PERF_OUTPUT_CALLINDENT = 1ULL << 20, 106 PERF_OUTPUT_INSN = 1ULL << 21, 107 PERF_OUTPUT_INSNLEN = 1ULL << 22, 108 PERF_OUTPUT_BRSTACKINSN = 1ULL << 23, 109 PERF_OUTPUT_BRSTACKOFF = 1ULL << 24, 110 PERF_OUTPUT_SYNTH = 1ULL << 25, 111 PERF_OUTPUT_PHYS_ADDR = 1ULL << 26, 112 PERF_OUTPUT_UREGS = 1ULL << 27, 113 PERF_OUTPUT_METRIC = 1ULL << 28, 114 PERF_OUTPUT_MISC = 1ULL << 29, 115 PERF_OUTPUT_SRCCODE = 1ULL << 30, 116 PERF_OUTPUT_IPC = 1ULL << 31, 117 PERF_OUTPUT_TOD = 1ULL << 32, 118 }; 119 120 struct perf_script { 121 struct perf_tool tool; 122 struct perf_session *session; 123 bool show_task_events; 124 bool show_mmap_events; 125 bool show_switch_events; 126 bool show_namespace_events; 127 bool show_lost_events; 128 bool show_round_events; 129 bool show_bpf_events; 130 bool show_cgroup_events; 131 bool show_text_poke_events; 132 bool allocated; 133 bool per_event_dump; 134 bool stitch_lbr; 135 struct evswitch evswitch; 136 struct perf_cpu_map *cpus; 137 struct perf_thread_map *threads; 138 int name_width; 139 const char *time_str; 140 struct perf_time_interval *ptime_range; 141 int range_size; 142 int range_num; 143 }; 144 145 struct output_option { 146 const char *str; 147 enum perf_output_field field; 148 } all_output_options[] = { 149 {.str = "comm", .field = PERF_OUTPUT_COMM}, 150 {.str = "tid", .field = PERF_OUTPUT_TID}, 151 {.str = "pid", .field = PERF_OUTPUT_PID}, 152 {.str = "time", .field = PERF_OUTPUT_TIME}, 153 {.str = "cpu", .field = PERF_OUTPUT_CPU}, 154 {.str = "event", .field = PERF_OUTPUT_EVNAME}, 155 {.str = "trace", .field = PERF_OUTPUT_TRACE}, 156 {.str = "ip", .field = PERF_OUTPUT_IP}, 157 {.str = "sym", .field = PERF_OUTPUT_SYM}, 158 {.str = "dso", .field = PERF_OUTPUT_DSO}, 159 {.str = "addr", .field = PERF_OUTPUT_ADDR}, 160 {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET}, 161 {.str = "srcline", .field = PERF_OUTPUT_SRCLINE}, 162 {.str = "period", .field = PERF_OUTPUT_PERIOD}, 163 {.str = "iregs", .field = PERF_OUTPUT_IREGS}, 164 {.str = "uregs", .field = PERF_OUTPUT_UREGS}, 165 {.str = "brstack", .field = PERF_OUTPUT_BRSTACK}, 166 {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM}, 167 {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC}, 168 {.str = "weight", .field = PERF_OUTPUT_WEIGHT}, 169 {.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT}, 170 {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT}, 171 {.str = "insn", .field = PERF_OUTPUT_INSN}, 172 {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN}, 173 {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN}, 174 {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF}, 175 {.str = "synth", .field = PERF_OUTPUT_SYNTH}, 176 {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR}, 177 {.str = "metric", .field = PERF_OUTPUT_METRIC}, 178 {.str = "misc", .field = PERF_OUTPUT_MISC}, 179 {.str = "srccode", .field = PERF_OUTPUT_SRCCODE}, 180 {.str = "ipc", .field = PERF_OUTPUT_IPC}, 181 {.str = "tod", .field = PERF_OUTPUT_TOD}, 182 }; 183 184 enum { 185 OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX, 186 OUTPUT_TYPE_MAX 187 }; 188 189 /* default set to maintain compatibility with current format */ 190 static struct { 191 bool user_set; 192 bool wildcard_set; 193 unsigned int print_ip_opts; 194 u64 fields; 195 u64 invalid_fields; 196 u64 user_set_fields; 197 u64 user_unset_fields; 198 } output[OUTPUT_TYPE_MAX] = { 199 200 [PERF_TYPE_HARDWARE] = { 201 .user_set = false, 202 203 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 204 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 205 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 206 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 207 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 208 209 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 210 }, 211 212 [PERF_TYPE_SOFTWARE] = { 213 .user_set = false, 214 215 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 216 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 217 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 218 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 219 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 220 PERF_OUTPUT_BPF_OUTPUT, 221 222 .invalid_fields = PERF_OUTPUT_TRACE, 223 }, 224 225 [PERF_TYPE_TRACEPOINT] = { 226 .user_set = false, 227 228 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 229 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 230 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE 231 }, 232 233 [PERF_TYPE_HW_CACHE] = { 234 .user_set = false, 235 236 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 237 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 238 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 239 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 240 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 241 242 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 243 }, 244 245 [PERF_TYPE_RAW] = { 246 .user_set = false, 247 248 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 249 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 250 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 251 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 252 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 253 PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC | 254 PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR, 255 256 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 257 }, 258 259 [PERF_TYPE_BREAKPOINT] = { 260 .user_set = false, 261 262 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 263 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 264 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 265 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 266 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 267 268 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 269 }, 270 271 [OUTPUT_TYPE_SYNTH] = { 272 .user_set = false, 273 274 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 275 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 276 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 277 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 278 PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH, 279 280 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 281 }, 282 }; 283 284 struct evsel_script { 285 char *filename; 286 FILE *fp; 287 u64 samples; 288 /* For metric output */ 289 u64 val; 290 int gnum; 291 }; 292 293 static inline struct evsel_script *evsel_script(struct evsel *evsel) 294 { 295 return (struct evsel_script *)evsel->priv; 296 } 297 298 static struct evsel_script *perf_evsel_script__new(struct evsel *evsel, 299 struct perf_data *data) 300 { 301 struct evsel_script *es = zalloc(sizeof(*es)); 302 303 if (es != NULL) { 304 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0) 305 goto out_free; 306 es->fp = fopen(es->filename, "w"); 307 if (es->fp == NULL) 308 goto out_free_filename; 309 } 310 311 return es; 312 out_free_filename: 313 zfree(&es->filename); 314 out_free: 315 free(es); 316 return NULL; 317 } 318 319 static void perf_evsel_script__delete(struct evsel_script *es) 320 { 321 zfree(&es->filename); 322 fclose(es->fp); 323 es->fp = NULL; 324 free(es); 325 } 326 327 static int perf_evsel_script__fprintf(struct evsel_script *es, FILE *fp) 328 { 329 struct stat st; 330 331 fstat(fileno(es->fp), &st); 332 return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n", 333 st.st_size / 1024.0 / 1024.0, es->filename, es->samples); 334 } 335 336 static inline int output_type(unsigned int type) 337 { 338 switch (type) { 339 case PERF_TYPE_SYNTH: 340 return OUTPUT_TYPE_SYNTH; 341 default: 342 return type; 343 } 344 } 345 346 static inline unsigned int attr_type(unsigned int type) 347 { 348 switch (type) { 349 case OUTPUT_TYPE_SYNTH: 350 return PERF_TYPE_SYNTH; 351 default: 352 return type; 353 } 354 } 355 356 static bool output_set_by_user(void) 357 { 358 int j; 359 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 360 if (output[j].user_set) 361 return true; 362 } 363 return false; 364 } 365 366 static const char *output_field2str(enum perf_output_field field) 367 { 368 int i, imax = ARRAY_SIZE(all_output_options); 369 const char *str = ""; 370 371 for (i = 0; i < imax; ++i) { 372 if (all_output_options[i].field == field) { 373 str = all_output_options[i].str; 374 break; 375 } 376 } 377 return str; 378 } 379 380 #define PRINT_FIELD(x) (output[output_type(attr->type)].fields & PERF_OUTPUT_##x) 381 382 static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg, 383 enum perf_output_field field, bool allow_user_set) 384 { 385 struct perf_event_attr *attr = &evsel->core.attr; 386 int type = output_type(attr->type); 387 const char *evname; 388 389 if (attr->sample_type & sample_type) 390 return 0; 391 392 if (output[type].user_set_fields & field) { 393 if (allow_user_set) 394 return 0; 395 evname = evsel__name(evsel); 396 pr_err("Samples for '%s' event do not have %s attribute set. " 397 "Cannot print '%s' field.\n", 398 evname, sample_msg, output_field2str(field)); 399 return -1; 400 } 401 402 /* user did not ask for it explicitly so remove from the default list */ 403 output[type].fields &= ~field; 404 evname = evsel__name(evsel); 405 pr_debug("Samples for '%s' event do not have %s attribute set. " 406 "Skipping '%s' field.\n", 407 evname, sample_msg, output_field2str(field)); 408 409 return 0; 410 } 411 412 static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg, 413 enum perf_output_field field) 414 { 415 return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false); 416 } 417 418 static int evsel__check_attr(struct evsel *evsel, struct perf_session *session) 419 { 420 struct perf_event_attr *attr = &evsel->core.attr; 421 bool allow_user_set; 422 423 if (perf_header__has_feat(&session->header, HEADER_STAT)) 424 return 0; 425 426 allow_user_set = perf_header__has_feat(&session->header, 427 HEADER_AUXTRACE); 428 429 if (PRINT_FIELD(TRACE) && 430 !perf_session__has_traces(session, "record -R")) 431 return -EINVAL; 432 433 if (PRINT_FIELD(IP)) { 434 if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP)) 435 return -EINVAL; 436 } 437 438 if (PRINT_FIELD(ADDR) && 439 evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set)) 440 return -EINVAL; 441 442 if (PRINT_FIELD(DATA_SRC) && 443 evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC)) 444 return -EINVAL; 445 446 if (PRINT_FIELD(WEIGHT) && 447 evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT", PERF_OUTPUT_WEIGHT)) 448 return -EINVAL; 449 450 if (PRINT_FIELD(SYM) && 451 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 452 pr_err("Display of symbols requested but neither sample IP nor " 453 "sample address\navailable. Hence, no addresses to convert " 454 "to symbols.\n"); 455 return -EINVAL; 456 } 457 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) { 458 pr_err("Display of offsets requested but symbol is not" 459 "selected.\n"); 460 return -EINVAL; 461 } 462 if (PRINT_FIELD(DSO) && 463 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 464 pr_err("Display of DSO requested but no address to convert.\n"); 465 return -EINVAL; 466 } 467 if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) { 468 pr_err("Display of source line number requested but sample IP is not\n" 469 "selected. Hence, no address to lookup the source line number.\n"); 470 return -EINVAL; 471 } 472 if (PRINT_FIELD(BRSTACKINSN) && !allow_user_set && 473 !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) { 474 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n" 475 "Hint: run 'perf record -b ...'\n"); 476 return -EINVAL; 477 } 478 if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) && 479 evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID)) 480 return -EINVAL; 481 482 if (PRINT_FIELD(TIME) && 483 evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME)) 484 return -EINVAL; 485 486 if (PRINT_FIELD(CPU) && 487 evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set)) 488 return -EINVAL; 489 490 if (PRINT_FIELD(IREGS) && 491 evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set)) 492 return -EINVAL; 493 494 if (PRINT_FIELD(UREGS) && 495 evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS)) 496 return -EINVAL; 497 498 if (PRINT_FIELD(PHYS_ADDR) && 499 evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR)) 500 return -EINVAL; 501 502 return 0; 503 } 504 505 static void set_print_ip_opts(struct perf_event_attr *attr) 506 { 507 unsigned int type = output_type(attr->type); 508 509 output[type].print_ip_opts = 0; 510 if (PRINT_FIELD(IP)) 511 output[type].print_ip_opts |= EVSEL__PRINT_IP; 512 513 if (PRINT_FIELD(SYM)) 514 output[type].print_ip_opts |= EVSEL__PRINT_SYM; 515 516 if (PRINT_FIELD(DSO)) 517 output[type].print_ip_opts |= EVSEL__PRINT_DSO; 518 519 if (PRINT_FIELD(SYMOFFSET)) 520 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET; 521 522 if (PRINT_FIELD(SRCLINE)) 523 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE; 524 } 525 526 /* 527 * verify all user requested events exist and the samples 528 * have the expected data 529 */ 530 static int perf_session__check_output_opt(struct perf_session *session) 531 { 532 bool tod = false; 533 unsigned int j; 534 struct evsel *evsel; 535 536 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 537 evsel = perf_session__find_first_evtype(session, attr_type(j)); 538 539 /* 540 * even if fields is set to 0 (ie., show nothing) event must 541 * exist if user explicitly includes it on the command line 542 */ 543 if (!evsel && output[j].user_set && !output[j].wildcard_set && 544 j != OUTPUT_TYPE_SYNTH) { 545 pr_err("%s events do not exist. " 546 "Remove corresponding -F option to proceed.\n", 547 event_type(j)); 548 return -1; 549 } 550 551 if (evsel && output[j].fields && 552 evsel__check_attr(evsel, session)) 553 return -1; 554 555 if (evsel == NULL) 556 continue; 557 558 set_print_ip_opts(&evsel->core.attr); 559 tod |= output[j].fields & PERF_OUTPUT_TOD; 560 } 561 562 if (!no_callchain) { 563 bool use_callchain = false; 564 bool not_pipe = false; 565 566 evlist__for_each_entry(session->evlist, evsel) { 567 not_pipe = true; 568 if (evsel__has_callchain(evsel)) { 569 use_callchain = true; 570 break; 571 } 572 } 573 if (not_pipe && !use_callchain) 574 symbol_conf.use_callchain = false; 575 } 576 577 /* 578 * set default for tracepoints to print symbols only 579 * if callchains are present 580 */ 581 if (symbol_conf.use_callchain && 582 !output[PERF_TYPE_TRACEPOINT].user_set) { 583 j = PERF_TYPE_TRACEPOINT; 584 585 evlist__for_each_entry(session->evlist, evsel) { 586 if (evsel->core.attr.type != j) 587 continue; 588 589 if (evsel__has_callchain(evsel)) { 590 output[j].fields |= PERF_OUTPUT_IP; 591 output[j].fields |= PERF_OUTPUT_SYM; 592 output[j].fields |= PERF_OUTPUT_SYMOFFSET; 593 output[j].fields |= PERF_OUTPUT_DSO; 594 set_print_ip_opts(&evsel->core.attr); 595 goto out; 596 } 597 } 598 } 599 600 if (tod && !session->header.env.clock.enabled) { 601 pr_err("Can't provide 'tod' time, missing clock data. " 602 "Please record with -k/--clockid option.\n"); 603 return -1; 604 } 605 out: 606 return 0; 607 } 608 609 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask, 610 FILE *fp) 611 { 612 unsigned i = 0, r; 613 int printed = 0; 614 615 if (!regs || !regs->regs) 616 return 0; 617 618 printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi); 619 620 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) { 621 u64 val = regs->regs[i++]; 622 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val); 623 } 624 625 return printed; 626 } 627 628 #define DEFAULT_TOD_FMT "%F %H:%M:%S" 629 630 static char* 631 tod_scnprintf(struct perf_script *script, char *buf, int buflen, 632 u64 timestamp) 633 { 634 u64 tod_ns, clockid_ns; 635 struct perf_env *env; 636 unsigned long nsec; 637 struct tm ltime; 638 char date[64]; 639 time_t sec; 640 641 buf[0] = '\0'; 642 if (buflen < 64 || !script) 643 return buf; 644 645 env = &script->session->header.env; 646 if (!env->clock.enabled) { 647 scnprintf(buf, buflen, "disabled"); 648 return buf; 649 } 650 651 clockid_ns = env->clock.clockid_ns; 652 tod_ns = env->clock.tod_ns; 653 654 if (timestamp > clockid_ns) 655 tod_ns += timestamp - clockid_ns; 656 else 657 tod_ns -= clockid_ns - timestamp; 658 659 sec = (time_t) (tod_ns / NSEC_PER_SEC); 660 nsec = tod_ns - sec * NSEC_PER_SEC; 661 662 if (localtime_r(&sec, <ime) == NULL) { 663 scnprintf(buf, buflen, "failed"); 664 } else { 665 strftime(date, sizeof(date), DEFAULT_TOD_FMT, <ime); 666 667 if (symbol_conf.nanosecs) { 668 snprintf(buf, buflen, "%s.%09lu", date, nsec); 669 } else { 670 snprintf(buf, buflen, "%s.%06lu", 671 date, nsec / NSEC_PER_USEC); 672 } 673 } 674 675 return buf; 676 } 677 678 static int perf_sample__fprintf_iregs(struct perf_sample *sample, 679 struct perf_event_attr *attr, FILE *fp) 680 { 681 return perf_sample__fprintf_regs(&sample->intr_regs, 682 attr->sample_regs_intr, fp); 683 } 684 685 static int perf_sample__fprintf_uregs(struct perf_sample *sample, 686 struct perf_event_attr *attr, FILE *fp) 687 { 688 return perf_sample__fprintf_regs(&sample->user_regs, 689 attr->sample_regs_user, fp); 690 } 691 692 static int perf_sample__fprintf_start(struct perf_script *script, 693 struct perf_sample *sample, 694 struct thread *thread, 695 struct evsel *evsel, 696 u32 type, FILE *fp) 697 { 698 struct perf_event_attr *attr = &evsel->core.attr; 699 unsigned long secs; 700 unsigned long long nsecs; 701 int printed = 0; 702 char tstr[128]; 703 704 if (PRINT_FIELD(COMM)) { 705 const char *comm = thread ? thread__comm_str(thread) : ":-1"; 706 707 if (latency_format) 708 printed += fprintf(fp, "%8.8s ", comm); 709 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain) 710 printed += fprintf(fp, "%s ", comm); 711 else 712 printed += fprintf(fp, "%16s ", comm); 713 } 714 715 if (PRINT_FIELD(PID) && PRINT_FIELD(TID)) 716 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid); 717 else if (PRINT_FIELD(PID)) 718 printed += fprintf(fp, "%5d ", sample->pid); 719 else if (PRINT_FIELD(TID)) 720 printed += fprintf(fp, "%5d ", sample->tid); 721 722 if (PRINT_FIELD(CPU)) { 723 if (latency_format) 724 printed += fprintf(fp, "%3d ", sample->cpu); 725 else 726 printed += fprintf(fp, "[%03d] ", sample->cpu); 727 } 728 729 if (PRINT_FIELD(MISC)) { 730 int ret = 0; 731 732 #define has(m) \ 733 (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m 734 735 if (has(KERNEL)) 736 ret += fprintf(fp, "K"); 737 if (has(USER)) 738 ret += fprintf(fp, "U"); 739 if (has(HYPERVISOR)) 740 ret += fprintf(fp, "H"); 741 if (has(GUEST_KERNEL)) 742 ret += fprintf(fp, "G"); 743 if (has(GUEST_USER)) 744 ret += fprintf(fp, "g"); 745 746 switch (type) { 747 case PERF_RECORD_MMAP: 748 case PERF_RECORD_MMAP2: 749 if (has(MMAP_DATA)) 750 ret += fprintf(fp, "M"); 751 break; 752 case PERF_RECORD_COMM: 753 if (has(COMM_EXEC)) 754 ret += fprintf(fp, "E"); 755 break; 756 case PERF_RECORD_SWITCH: 757 case PERF_RECORD_SWITCH_CPU_WIDE: 758 if (has(SWITCH_OUT)) { 759 ret += fprintf(fp, "S"); 760 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT) 761 ret += fprintf(fp, "p"); 762 } 763 default: 764 break; 765 } 766 767 #undef has 768 769 ret += fprintf(fp, "%*s", 6 - ret, " "); 770 printed += ret; 771 } 772 773 if (PRINT_FIELD(TOD)) { 774 tod_scnprintf(script, tstr, sizeof(tstr), sample->time); 775 printed += fprintf(fp, "%s ", tstr); 776 } 777 778 if (PRINT_FIELD(TIME)) { 779 u64 t = sample->time; 780 if (reltime) { 781 if (!initial_time) 782 initial_time = sample->time; 783 t = sample->time - initial_time; 784 } else if (deltatime) { 785 if (previous_time) 786 t = sample->time - previous_time; 787 else { 788 t = 0; 789 } 790 previous_time = sample->time; 791 } 792 nsecs = t; 793 secs = nsecs / NSEC_PER_SEC; 794 nsecs -= secs * NSEC_PER_SEC; 795 796 if (symbol_conf.nanosecs) 797 printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs); 798 else { 799 char sample_time[32]; 800 timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time)); 801 printed += fprintf(fp, "%12s: ", sample_time); 802 } 803 } 804 805 return printed; 806 } 807 808 static inline char 809 mispred_str(struct branch_entry *br) 810 { 811 if (!(br->flags.mispred || br->flags.predicted)) 812 return '-'; 813 814 return br->flags.predicted ? 'P' : 'M'; 815 } 816 817 static int perf_sample__fprintf_brstack(struct perf_sample *sample, 818 struct thread *thread, 819 struct perf_event_attr *attr, FILE *fp) 820 { 821 struct branch_stack *br = sample->branch_stack; 822 struct branch_entry *entries = perf_sample__branch_entries(sample); 823 struct addr_location alf, alt; 824 u64 i, from, to; 825 int printed = 0; 826 827 if (!(br && br->nr)) 828 return 0; 829 830 for (i = 0; i < br->nr; i++) { 831 from = entries[i].from; 832 to = entries[i].to; 833 834 if (PRINT_FIELD(DSO)) { 835 memset(&alf, 0, sizeof(alf)); 836 memset(&alt, 0, sizeof(alt)); 837 thread__find_map_fb(thread, sample->cpumode, from, &alf); 838 thread__find_map_fb(thread, sample->cpumode, to, &alt); 839 } 840 841 printed += fprintf(fp, " 0x%"PRIx64, from); 842 if (PRINT_FIELD(DSO)) { 843 printed += fprintf(fp, "("); 844 printed += map__fprintf_dsoname(alf.map, fp); 845 printed += fprintf(fp, ")"); 846 } 847 848 printed += fprintf(fp, "/0x%"PRIx64, to); 849 if (PRINT_FIELD(DSO)) { 850 printed += fprintf(fp, "("); 851 printed += map__fprintf_dsoname(alt.map, fp); 852 printed += fprintf(fp, ")"); 853 } 854 855 printed += fprintf(fp, "/%c/%c/%c/%d ", 856 mispred_str(entries + i), 857 entries[i].flags.in_tx ? 'X' : '-', 858 entries[i].flags.abort ? 'A' : '-', 859 entries[i].flags.cycles); 860 } 861 862 return printed; 863 } 864 865 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample, 866 struct thread *thread, 867 struct perf_event_attr *attr, FILE *fp) 868 { 869 struct branch_stack *br = sample->branch_stack; 870 struct branch_entry *entries = perf_sample__branch_entries(sample); 871 struct addr_location alf, alt; 872 u64 i, from, to; 873 int printed = 0; 874 875 if (!(br && br->nr)) 876 return 0; 877 878 for (i = 0; i < br->nr; i++) { 879 880 memset(&alf, 0, sizeof(alf)); 881 memset(&alt, 0, sizeof(alt)); 882 from = entries[i].from; 883 to = entries[i].to; 884 885 thread__find_symbol_fb(thread, sample->cpumode, from, &alf); 886 thread__find_symbol_fb(thread, sample->cpumode, to, &alt); 887 888 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp); 889 if (PRINT_FIELD(DSO)) { 890 printed += fprintf(fp, "("); 891 printed += map__fprintf_dsoname(alf.map, fp); 892 printed += fprintf(fp, ")"); 893 } 894 printed += fprintf(fp, "%c", '/'); 895 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp); 896 if (PRINT_FIELD(DSO)) { 897 printed += fprintf(fp, "("); 898 printed += map__fprintf_dsoname(alt.map, fp); 899 printed += fprintf(fp, ")"); 900 } 901 printed += fprintf(fp, "/%c/%c/%c/%d ", 902 mispred_str(entries + i), 903 entries[i].flags.in_tx ? 'X' : '-', 904 entries[i].flags.abort ? 'A' : '-', 905 entries[i].flags.cycles); 906 } 907 908 return printed; 909 } 910 911 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample, 912 struct thread *thread, 913 struct perf_event_attr *attr, FILE *fp) 914 { 915 struct branch_stack *br = sample->branch_stack; 916 struct branch_entry *entries = perf_sample__branch_entries(sample); 917 struct addr_location alf, alt; 918 u64 i, from, to; 919 int printed = 0; 920 921 if (!(br && br->nr)) 922 return 0; 923 924 for (i = 0; i < br->nr; i++) { 925 926 memset(&alf, 0, sizeof(alf)); 927 memset(&alt, 0, sizeof(alt)); 928 from = entries[i].from; 929 to = entries[i].to; 930 931 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) && 932 !alf.map->dso->adjust_symbols) 933 from = map__map_ip(alf.map, from); 934 935 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) && 936 !alt.map->dso->adjust_symbols) 937 to = map__map_ip(alt.map, to); 938 939 printed += fprintf(fp, " 0x%"PRIx64, from); 940 if (PRINT_FIELD(DSO)) { 941 printed += fprintf(fp, "("); 942 printed += map__fprintf_dsoname(alf.map, fp); 943 printed += fprintf(fp, ")"); 944 } 945 printed += fprintf(fp, "/0x%"PRIx64, to); 946 if (PRINT_FIELD(DSO)) { 947 printed += fprintf(fp, "("); 948 printed += map__fprintf_dsoname(alt.map, fp); 949 printed += fprintf(fp, ")"); 950 } 951 printed += fprintf(fp, "/%c/%c/%c/%d ", 952 mispred_str(entries + i), 953 entries[i].flags.in_tx ? 'X' : '-', 954 entries[i].flags.abort ? 'A' : '-', 955 entries[i].flags.cycles); 956 } 957 958 return printed; 959 } 960 #define MAXBB 16384UL 961 962 static int grab_bb(u8 *buffer, u64 start, u64 end, 963 struct machine *machine, struct thread *thread, 964 bool *is64bit, u8 *cpumode, bool last) 965 { 966 long offset, len; 967 struct addr_location al; 968 bool kernel; 969 970 if (!start || !end) 971 return 0; 972 973 kernel = machine__kernel_ip(machine, start); 974 if (kernel) 975 *cpumode = PERF_RECORD_MISC_KERNEL; 976 else 977 *cpumode = PERF_RECORD_MISC_USER; 978 979 /* 980 * Block overlaps between kernel and user. 981 * This can happen due to ring filtering 982 * On Intel CPUs the entry into the kernel is filtered, 983 * but the exit is not. Let the caller patch it up. 984 */ 985 if (kernel != machine__kernel_ip(machine, end)) { 986 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end); 987 return -ENXIO; 988 } 989 990 memset(&al, 0, sizeof(al)); 991 if (end - start > MAXBB - MAXINSN) { 992 if (last) 993 pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end); 994 else 995 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start); 996 return 0; 997 } 998 999 if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) { 1000 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 1001 return 0; 1002 } 1003 if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) { 1004 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 1005 return 0; 1006 } 1007 1008 /* Load maps to ensure dso->is_64_bit has been updated */ 1009 map__load(al.map); 1010 1011 offset = al.map->map_ip(al.map, start); 1012 len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer, 1013 end - start + MAXINSN); 1014 1015 *is64bit = al.map->dso->is_64_bit; 1016 if (len <= 0) 1017 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n", 1018 start, end); 1019 return len; 1020 } 1021 1022 static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state) 1023 { 1024 char *srcfile; 1025 int ret = 0; 1026 unsigned line; 1027 int len; 1028 char *srccode; 1029 1030 if (!map || !map->dso) 1031 return 0; 1032 srcfile = get_srcline_split(map->dso, 1033 map__rip_2objdump(map, addr), 1034 &line); 1035 if (!srcfile) 1036 return 0; 1037 1038 /* Avoid redundant printing */ 1039 if (state && 1040 state->srcfile && 1041 !strcmp(state->srcfile, srcfile) && 1042 state->line == line) { 1043 free(srcfile); 1044 return 0; 1045 } 1046 1047 srccode = find_sourceline(srcfile, line, &len); 1048 if (!srccode) 1049 goto out_free_line; 1050 1051 ret = fprintf(fp, "|%-8d %.*s", line, len, srccode); 1052 1053 if (state) { 1054 state->srcfile = srcfile; 1055 state->line = line; 1056 } 1057 return ret; 1058 1059 out_free_line: 1060 free(srcfile); 1061 return ret; 1062 } 1063 1064 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr) 1065 { 1066 struct addr_location al; 1067 int ret = 0; 1068 1069 memset(&al, 0, sizeof(al)); 1070 thread__find_map(thread, cpumode, addr, &al); 1071 if (!al.map) 1072 return 0; 1073 ret = map__fprintf_srccode(al.map, al.addr, stdout, 1074 &thread->srccode_state); 1075 if (ret) 1076 ret += printf("\n"); 1077 return ret; 1078 } 1079 1080 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en, 1081 struct perf_insn *x, u8 *inbuf, int len, 1082 int insn, FILE *fp, int *total_cycles) 1083 { 1084 int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip, 1085 dump_insn(x, ip, inbuf, len, NULL), 1086 en->flags.predicted ? " PRED" : "", 1087 en->flags.mispred ? " MISPRED" : "", 1088 en->flags.in_tx ? " INTX" : "", 1089 en->flags.abort ? " ABORT" : ""); 1090 if (en->flags.cycles) { 1091 *total_cycles += en->flags.cycles; 1092 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles); 1093 if (insn) 1094 printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles); 1095 } 1096 return printed + fprintf(fp, "\n"); 1097 } 1098 1099 static int ip__fprintf_sym(uint64_t addr, struct thread *thread, 1100 u8 cpumode, int cpu, struct symbol **lastsym, 1101 struct perf_event_attr *attr, FILE *fp) 1102 { 1103 struct addr_location al; 1104 int off, printed = 0; 1105 1106 memset(&al, 0, sizeof(al)); 1107 1108 thread__find_map(thread, cpumode, addr, &al); 1109 1110 if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end) 1111 return 0; 1112 1113 al.cpu = cpu; 1114 al.sym = NULL; 1115 if (al.map) 1116 al.sym = map__find_symbol(al.map, al.addr); 1117 1118 if (!al.sym) 1119 return 0; 1120 1121 if (al.addr < al.sym->end) 1122 off = al.addr - al.sym->start; 1123 else 1124 off = al.addr - al.map->start - al.sym->start; 1125 printed += fprintf(fp, "\t%s", al.sym->name); 1126 if (off) 1127 printed += fprintf(fp, "%+d", off); 1128 printed += fprintf(fp, ":"); 1129 if (PRINT_FIELD(SRCLINE)) 1130 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp); 1131 printed += fprintf(fp, "\n"); 1132 *lastsym = al.sym; 1133 1134 return printed; 1135 } 1136 1137 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample, 1138 struct thread *thread, 1139 struct perf_event_attr *attr, 1140 struct machine *machine, FILE *fp) 1141 { 1142 struct branch_stack *br = sample->branch_stack; 1143 struct branch_entry *entries = perf_sample__branch_entries(sample); 1144 u64 start, end; 1145 int i, insn, len, nr, ilen, printed = 0; 1146 struct perf_insn x; 1147 u8 buffer[MAXBB]; 1148 unsigned off; 1149 struct symbol *lastsym = NULL; 1150 int total_cycles = 0; 1151 1152 if (!(br && br->nr)) 1153 return 0; 1154 nr = br->nr; 1155 if (max_blocks && nr > max_blocks + 1) 1156 nr = max_blocks + 1; 1157 1158 x.thread = thread; 1159 x.cpu = sample->cpu; 1160 1161 printed += fprintf(fp, "%c", '\n'); 1162 1163 /* Handle first from jump, of which we don't know the entry. */ 1164 len = grab_bb(buffer, entries[nr-1].from, 1165 entries[nr-1].from, 1166 machine, thread, &x.is64bit, &x.cpumode, false); 1167 if (len > 0) { 1168 printed += ip__fprintf_sym(entries[nr - 1].from, thread, 1169 x.cpumode, x.cpu, &lastsym, attr, fp); 1170 printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1], 1171 &x, buffer, len, 0, fp, &total_cycles); 1172 if (PRINT_FIELD(SRCCODE)) 1173 printed += print_srccode(thread, x.cpumode, entries[nr - 1].from); 1174 } 1175 1176 /* Print all blocks */ 1177 for (i = nr - 2; i >= 0; i--) { 1178 if (entries[i].from || entries[i].to) 1179 pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i, 1180 entries[i].from, 1181 entries[i].to); 1182 start = entries[i + 1].to; 1183 end = entries[i].from; 1184 1185 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1186 /* Patch up missing kernel transfers due to ring filters */ 1187 if (len == -ENXIO && i > 0) { 1188 end = entries[--i].from; 1189 pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end); 1190 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1191 } 1192 if (len <= 0) 1193 continue; 1194 1195 insn = 0; 1196 for (off = 0; off < (unsigned)len; off += ilen) { 1197 uint64_t ip = start + off; 1198 1199 printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1200 if (ip == end) { 1201 printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp, 1202 &total_cycles); 1203 if (PRINT_FIELD(SRCCODE)) 1204 printed += print_srccode(thread, x.cpumode, ip); 1205 break; 1206 } else { 1207 ilen = 0; 1208 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip, 1209 dump_insn(&x, ip, buffer + off, len - off, &ilen)); 1210 if (ilen == 0) 1211 break; 1212 if (PRINT_FIELD(SRCCODE)) 1213 print_srccode(thread, x.cpumode, ip); 1214 insn++; 1215 } 1216 } 1217 if (off != end - start) 1218 printed += fprintf(fp, "\tmismatch of LBR data and executable\n"); 1219 } 1220 1221 /* 1222 * Hit the branch? In this case we are already done, and the target 1223 * has not been executed yet. 1224 */ 1225 if (entries[0].from == sample->ip) 1226 goto out; 1227 if (entries[0].flags.abort) 1228 goto out; 1229 1230 /* 1231 * Print final block upto sample 1232 * 1233 * Due to pipeline delays the LBRs might be missing a branch 1234 * or two, which can result in very large or negative blocks 1235 * between final branch and sample. When this happens just 1236 * continue walking after the last TO until we hit a branch. 1237 */ 1238 start = entries[0].to; 1239 end = sample->ip; 1240 if (end < start) { 1241 /* Missing jump. Scan 128 bytes for the next branch */ 1242 end = start + 128; 1243 } 1244 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true); 1245 printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1246 if (len <= 0) { 1247 /* Print at least last IP if basic block did not work */ 1248 len = grab_bb(buffer, sample->ip, sample->ip, 1249 machine, thread, &x.is64bit, &x.cpumode, false); 1250 if (len <= 0) 1251 goto out; 1252 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip, 1253 dump_insn(&x, sample->ip, buffer, len, NULL)); 1254 if (PRINT_FIELD(SRCCODE)) 1255 print_srccode(thread, x.cpumode, sample->ip); 1256 goto out; 1257 } 1258 for (off = 0; off <= end - start; off += ilen) { 1259 ilen = 0; 1260 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off, 1261 dump_insn(&x, start + off, buffer + off, len - off, &ilen)); 1262 if (ilen == 0) 1263 break; 1264 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) { 1265 /* 1266 * Hit a missing branch. Just stop. 1267 */ 1268 printed += fprintf(fp, "\t... not reaching sample ...\n"); 1269 break; 1270 } 1271 if (PRINT_FIELD(SRCCODE)) 1272 print_srccode(thread, x.cpumode, start + off); 1273 } 1274 out: 1275 return printed; 1276 } 1277 1278 static int perf_sample__fprintf_addr(struct perf_sample *sample, 1279 struct thread *thread, 1280 struct perf_event_attr *attr, FILE *fp) 1281 { 1282 struct addr_location al; 1283 int printed = fprintf(fp, "%16" PRIx64, sample->addr); 1284 1285 if (!sample_addr_correlates_sym(attr)) 1286 goto out; 1287 1288 thread__resolve(thread, &al, sample); 1289 1290 if (PRINT_FIELD(SYM)) { 1291 printed += fprintf(fp, " "); 1292 if (PRINT_FIELD(SYMOFFSET)) 1293 printed += symbol__fprintf_symname_offs(al.sym, &al, fp); 1294 else 1295 printed += symbol__fprintf_symname(al.sym, fp); 1296 } 1297 1298 if (PRINT_FIELD(DSO)) { 1299 printed += fprintf(fp, " ("); 1300 printed += map__fprintf_dsoname(al.map, fp); 1301 printed += fprintf(fp, ")"); 1302 } 1303 out: 1304 return printed; 1305 } 1306 1307 static const char *resolve_branch_sym(struct perf_sample *sample, 1308 struct evsel *evsel, 1309 struct thread *thread, 1310 struct addr_location *al, 1311 u64 *ip) 1312 { 1313 struct addr_location addr_al; 1314 struct perf_event_attr *attr = &evsel->core.attr; 1315 const char *name = NULL; 1316 1317 if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) { 1318 if (sample_addr_correlates_sym(attr)) { 1319 thread__resolve(thread, &addr_al, sample); 1320 if (addr_al.sym) 1321 name = addr_al.sym->name; 1322 else 1323 *ip = sample->addr; 1324 } else { 1325 *ip = sample->addr; 1326 } 1327 } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) { 1328 if (al->sym) 1329 name = al->sym->name; 1330 else 1331 *ip = sample->ip; 1332 } 1333 return name; 1334 } 1335 1336 static int perf_sample__fprintf_callindent(struct perf_sample *sample, 1337 struct evsel *evsel, 1338 struct thread *thread, 1339 struct addr_location *al, FILE *fp) 1340 { 1341 struct perf_event_attr *attr = &evsel->core.attr; 1342 size_t depth = thread_stack__depth(thread, sample->cpu); 1343 const char *name = NULL; 1344 static int spacing; 1345 int len = 0; 1346 int dlen = 0; 1347 u64 ip = 0; 1348 1349 /* 1350 * The 'return' has already been popped off the stack so the depth has 1351 * to be adjusted to match the 'call'. 1352 */ 1353 if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN) 1354 depth += 1; 1355 1356 name = resolve_branch_sym(sample, evsel, thread, al, &ip); 1357 1358 if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) { 1359 dlen += fprintf(fp, "("); 1360 dlen += map__fprintf_dsoname(al->map, fp); 1361 dlen += fprintf(fp, ")\t"); 1362 } 1363 1364 if (name) 1365 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name); 1366 else if (ip) 1367 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip); 1368 1369 if (len < 0) 1370 return len; 1371 1372 /* 1373 * Try to keep the output length from changing frequently so that the 1374 * output lines up more nicely. 1375 */ 1376 if (len > spacing || (len && len < spacing - 52)) 1377 spacing = round_up(len + 4, 32); 1378 1379 if (len < spacing) 1380 len += fprintf(fp, "%*s", spacing - len, ""); 1381 1382 return len + dlen; 1383 } 1384 1385 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused, 1386 struct thread *thread __maybe_unused, 1387 struct machine *machine __maybe_unused) 1388 { 1389 } 1390 1391 static int perf_sample__fprintf_insn(struct perf_sample *sample, 1392 struct perf_event_attr *attr, 1393 struct thread *thread, 1394 struct machine *machine, FILE *fp) 1395 { 1396 int printed = 0; 1397 1398 if (sample->insn_len == 0 && native_arch) 1399 arch_fetch_insn(sample, thread, machine); 1400 1401 if (PRINT_FIELD(INSNLEN)) 1402 printed += fprintf(fp, " ilen: %d", sample->insn_len); 1403 if (PRINT_FIELD(INSN) && sample->insn_len) { 1404 int i; 1405 1406 printed += fprintf(fp, " insn:"); 1407 for (i = 0; i < sample->insn_len; i++) 1408 printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]); 1409 } 1410 if (PRINT_FIELD(BRSTACKINSN)) 1411 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp); 1412 1413 return printed; 1414 } 1415 1416 static int perf_sample__fprintf_ipc(struct perf_sample *sample, 1417 struct perf_event_attr *attr, FILE *fp) 1418 { 1419 unsigned int ipc; 1420 1421 if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt) 1422 return 0; 1423 1424 ipc = (sample->insn_cnt * 100) / sample->cyc_cnt; 1425 1426 return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ", 1427 ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt); 1428 } 1429 1430 static int perf_sample__fprintf_bts(struct perf_sample *sample, 1431 struct evsel *evsel, 1432 struct thread *thread, 1433 struct addr_location *al, 1434 struct machine *machine, FILE *fp) 1435 { 1436 struct perf_event_attr *attr = &evsel->core.attr; 1437 unsigned int type = output_type(attr->type); 1438 bool print_srcline_last = false; 1439 int printed = 0; 1440 1441 if (PRINT_FIELD(CALLINDENT)) 1442 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp); 1443 1444 /* print branch_from information */ 1445 if (PRINT_FIELD(IP)) { 1446 unsigned int print_opts = output[type].print_ip_opts; 1447 struct callchain_cursor *cursor = NULL; 1448 1449 if (symbol_conf.use_callchain && sample->callchain && 1450 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 1451 sample, NULL, NULL, scripting_max_stack) == 0) 1452 cursor = &callchain_cursor; 1453 1454 if (cursor == NULL) { 1455 printed += fprintf(fp, " "); 1456 if (print_opts & EVSEL__PRINT_SRCLINE) { 1457 print_srcline_last = true; 1458 print_opts &= ~EVSEL__PRINT_SRCLINE; 1459 } 1460 } else 1461 printed += fprintf(fp, "\n"); 1462 1463 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, 1464 symbol_conf.bt_stop_list, fp); 1465 } 1466 1467 /* print branch_to information */ 1468 if (PRINT_FIELD(ADDR) || 1469 ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 1470 !output[type].user_set)) { 1471 printed += fprintf(fp, " => "); 1472 printed += perf_sample__fprintf_addr(sample, thread, attr, fp); 1473 } 1474 1475 printed += perf_sample__fprintf_ipc(sample, attr, fp); 1476 1477 if (print_srcline_last) 1478 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp); 1479 1480 printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 1481 printed += fprintf(fp, "\n"); 1482 if (PRINT_FIELD(SRCCODE)) { 1483 int ret = map__fprintf_srccode(al->map, al->addr, stdout, 1484 &thread->srccode_state); 1485 if (ret) { 1486 printed += ret; 1487 printed += printf("\n"); 1488 } 1489 } 1490 return printed; 1491 } 1492 1493 static struct { 1494 u32 flags; 1495 const char *name; 1496 } sample_flags[] = { 1497 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"}, 1498 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"}, 1499 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"}, 1500 {PERF_IP_FLAG_BRANCH, "jmp"}, 1501 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"}, 1502 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"}, 1503 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"}, 1504 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"}, 1505 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"}, 1506 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"}, 1507 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"}, 1508 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"}, 1509 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"}, 1510 {0, NULL} 1511 }; 1512 1513 static const char *sample_flags_to_name(u32 flags) 1514 { 1515 int i; 1516 1517 for (i = 0; sample_flags[i].name ; i++) { 1518 if (sample_flags[i].flags == flags) 1519 return sample_flags[i].name; 1520 } 1521 1522 return NULL; 1523 } 1524 1525 static int perf_sample__fprintf_flags(u32 flags, FILE *fp) 1526 { 1527 const char *chars = PERF_IP_FLAG_CHARS; 1528 const int n = strlen(PERF_IP_FLAG_CHARS); 1529 bool in_tx = flags & PERF_IP_FLAG_IN_TX; 1530 const char *name = NULL; 1531 char str[33]; 1532 int i, pos = 0; 1533 1534 name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX); 1535 if (name) 1536 return fprintf(fp, " %-15s%4s ", name, in_tx ? "(x)" : ""); 1537 1538 if (flags & PERF_IP_FLAG_TRACE_BEGIN) { 1539 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN)); 1540 if (name) 1541 return fprintf(fp, " tr strt %-7s%4s ", name, in_tx ? "(x)" : ""); 1542 } 1543 1544 if (flags & PERF_IP_FLAG_TRACE_END) { 1545 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END)); 1546 if (name) 1547 return fprintf(fp, " tr end %-7s%4s ", name, in_tx ? "(x)" : ""); 1548 } 1549 1550 for (i = 0; i < n; i++, flags >>= 1) { 1551 if (flags & 1) 1552 str[pos++] = chars[i]; 1553 } 1554 for (; i < 32; i++, flags >>= 1) { 1555 if (flags & 1) 1556 str[pos++] = '?'; 1557 } 1558 str[pos] = 0; 1559 1560 return fprintf(fp, " %-19s ", str); 1561 } 1562 1563 struct printer_data { 1564 int line_no; 1565 bool hit_nul; 1566 bool is_printable; 1567 }; 1568 1569 static int sample__fprintf_bpf_output(enum binary_printer_ops op, 1570 unsigned int val, 1571 void *extra, FILE *fp) 1572 { 1573 unsigned char ch = (unsigned char)val; 1574 struct printer_data *printer_data = extra; 1575 int printed = 0; 1576 1577 switch (op) { 1578 case BINARY_PRINT_DATA_BEGIN: 1579 printed += fprintf(fp, "\n"); 1580 break; 1581 case BINARY_PRINT_LINE_BEGIN: 1582 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" : 1583 " "); 1584 break; 1585 case BINARY_PRINT_ADDR: 1586 printed += fprintf(fp, " %04x:", val); 1587 break; 1588 case BINARY_PRINT_NUM_DATA: 1589 printed += fprintf(fp, " %02x", val); 1590 break; 1591 case BINARY_PRINT_NUM_PAD: 1592 printed += fprintf(fp, " "); 1593 break; 1594 case BINARY_PRINT_SEP: 1595 printed += fprintf(fp, " "); 1596 break; 1597 case BINARY_PRINT_CHAR_DATA: 1598 if (printer_data->hit_nul && ch) 1599 printer_data->is_printable = false; 1600 1601 if (!isprint(ch)) { 1602 printed += fprintf(fp, "%c", '.'); 1603 1604 if (!printer_data->is_printable) 1605 break; 1606 1607 if (ch == '\0') 1608 printer_data->hit_nul = true; 1609 else 1610 printer_data->is_printable = false; 1611 } else { 1612 printed += fprintf(fp, "%c", ch); 1613 } 1614 break; 1615 case BINARY_PRINT_CHAR_PAD: 1616 printed += fprintf(fp, " "); 1617 break; 1618 case BINARY_PRINT_LINE_END: 1619 printed += fprintf(fp, "\n"); 1620 printer_data->line_no++; 1621 break; 1622 case BINARY_PRINT_DATA_END: 1623 default: 1624 break; 1625 } 1626 1627 return printed; 1628 } 1629 1630 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp) 1631 { 1632 unsigned int nr_bytes = sample->raw_size; 1633 struct printer_data printer_data = {0, false, true}; 1634 int printed = binary__fprintf(sample->raw_data, nr_bytes, 8, 1635 sample__fprintf_bpf_output, &printer_data, fp); 1636 1637 if (printer_data.is_printable && printer_data.hit_nul) 1638 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data)); 1639 1640 return printed; 1641 } 1642 1643 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp) 1644 { 1645 if (len > 0 && len < spacing) 1646 return fprintf(fp, "%*s", spacing - len, ""); 1647 1648 return 0; 1649 } 1650 1651 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp) 1652 { 1653 return perf_sample__fprintf_spacing(len, 34, fp); 1654 } 1655 1656 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp) 1657 { 1658 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample); 1659 int len; 1660 1661 if (perf_sample__bad_synth_size(sample, *data)) 1662 return 0; 1663 1664 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ", 1665 data->ip, le64_to_cpu(data->payload)); 1666 return len + perf_sample__fprintf_pt_spacing(len, fp); 1667 } 1668 1669 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp) 1670 { 1671 struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample); 1672 int len; 1673 1674 if (perf_sample__bad_synth_size(sample, *data)) 1675 return 0; 1676 1677 len = fprintf(fp, " hints: %#x extensions: %#x ", 1678 data->hints, data->extensions); 1679 return len + perf_sample__fprintf_pt_spacing(len, fp); 1680 } 1681 1682 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp) 1683 { 1684 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample); 1685 int len; 1686 1687 if (perf_sample__bad_synth_size(sample, *data)) 1688 return 0; 1689 1690 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ", 1691 data->hw, data->cstate, data->subcstate); 1692 return len + perf_sample__fprintf_pt_spacing(len, fp); 1693 } 1694 1695 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp) 1696 { 1697 struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample); 1698 int len; 1699 1700 if (perf_sample__bad_synth_size(sample, *data)) 1701 return 0; 1702 1703 len = fprintf(fp, " IP: %u ", data->ip); 1704 return len + perf_sample__fprintf_pt_spacing(len, fp); 1705 } 1706 1707 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp) 1708 { 1709 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample); 1710 int len; 1711 1712 if (perf_sample__bad_synth_size(sample, *data)) 1713 return 0; 1714 1715 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ", 1716 data->deepest_cstate, data->last_cstate, 1717 data->wake_reason); 1718 return len + perf_sample__fprintf_pt_spacing(len, fp); 1719 } 1720 1721 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp) 1722 { 1723 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample); 1724 unsigned int percent, freq; 1725 int len; 1726 1727 if (perf_sample__bad_synth_size(sample, *data)) 1728 return 0; 1729 1730 freq = (le32_to_cpu(data->freq) + 500) / 1000; 1731 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq); 1732 if (data->max_nonturbo) { 1733 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10; 1734 len += fprintf(fp, "(%3u%%) ", percent); 1735 } 1736 return len + perf_sample__fprintf_pt_spacing(len, fp); 1737 } 1738 1739 static int perf_sample__fprintf_synth(struct perf_sample *sample, 1740 struct evsel *evsel, FILE *fp) 1741 { 1742 switch (evsel->core.attr.config) { 1743 case PERF_SYNTH_INTEL_PTWRITE: 1744 return perf_sample__fprintf_synth_ptwrite(sample, fp); 1745 case PERF_SYNTH_INTEL_MWAIT: 1746 return perf_sample__fprintf_synth_mwait(sample, fp); 1747 case PERF_SYNTH_INTEL_PWRE: 1748 return perf_sample__fprintf_synth_pwre(sample, fp); 1749 case PERF_SYNTH_INTEL_EXSTOP: 1750 return perf_sample__fprintf_synth_exstop(sample, fp); 1751 case PERF_SYNTH_INTEL_PWRX: 1752 return perf_sample__fprintf_synth_pwrx(sample, fp); 1753 case PERF_SYNTH_INTEL_CBR: 1754 return perf_sample__fprintf_synth_cbr(sample, fp); 1755 default: 1756 break; 1757 } 1758 1759 return 0; 1760 } 1761 1762 static int evlist__max_name_len(struct evlist *evlist) 1763 { 1764 struct evsel *evsel; 1765 int max = 0; 1766 1767 evlist__for_each_entry(evlist, evsel) { 1768 int len = strlen(evsel__name(evsel)); 1769 1770 max = MAX(len, max); 1771 } 1772 1773 return max; 1774 } 1775 1776 static int data_src__fprintf(u64 data_src, FILE *fp) 1777 { 1778 struct mem_info mi = { .data_src.val = data_src }; 1779 char decode[100]; 1780 char out[100]; 1781 static int maxlen; 1782 int len; 1783 1784 perf_script__meminfo_scnprintf(decode, 100, &mi); 1785 1786 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode); 1787 if (maxlen < len) 1788 maxlen = len; 1789 1790 return fprintf(fp, "%-*s", maxlen, out); 1791 } 1792 1793 struct metric_ctx { 1794 struct perf_sample *sample; 1795 struct thread *thread; 1796 struct evsel *evsel; 1797 FILE *fp; 1798 }; 1799 1800 static void script_print_metric(struct perf_stat_config *config __maybe_unused, 1801 void *ctx, const char *color, 1802 const char *fmt, 1803 const char *unit, double val) 1804 { 1805 struct metric_ctx *mctx = ctx; 1806 1807 if (!fmt) 1808 return; 1809 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, 1810 PERF_RECORD_SAMPLE, mctx->fp); 1811 fputs("\tmetric: ", mctx->fp); 1812 if (color) 1813 color_fprintf(mctx->fp, color, fmt, val); 1814 else 1815 printf(fmt, val); 1816 fprintf(mctx->fp, " %s\n", unit); 1817 } 1818 1819 static void script_new_line(struct perf_stat_config *config __maybe_unused, 1820 void *ctx) 1821 { 1822 struct metric_ctx *mctx = ctx; 1823 1824 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, 1825 PERF_RECORD_SAMPLE, mctx->fp); 1826 fputs("\tmetric: ", mctx->fp); 1827 } 1828 1829 static void perf_sample__fprint_metric(struct perf_script *script, 1830 struct thread *thread, 1831 struct evsel *evsel, 1832 struct perf_sample *sample, 1833 FILE *fp) 1834 { 1835 struct perf_stat_output_ctx ctx = { 1836 .print_metric = script_print_metric, 1837 .new_line = script_new_line, 1838 .ctx = &(struct metric_ctx) { 1839 .sample = sample, 1840 .thread = thread, 1841 .evsel = evsel, 1842 .fp = fp, 1843 }, 1844 .force_header = false, 1845 }; 1846 struct evsel *ev2; 1847 u64 val; 1848 1849 if (!evsel->stats) 1850 perf_evlist__alloc_stats(script->session->evlist, false); 1851 if (evsel_script(evsel->leader)->gnum++ == 0) 1852 perf_stat__reset_shadow_stats(); 1853 val = sample->period * evsel->scale; 1854 perf_stat__update_shadow_stats(evsel, 1855 val, 1856 sample->cpu, 1857 &rt_stat); 1858 evsel_script(evsel)->val = val; 1859 if (evsel_script(evsel->leader)->gnum == evsel->leader->core.nr_members) { 1860 for_each_group_member (ev2, evsel->leader) { 1861 perf_stat__print_shadow_stats(&stat_config, ev2, 1862 evsel_script(ev2)->val, 1863 sample->cpu, 1864 &ctx, 1865 NULL, 1866 &rt_stat); 1867 } 1868 evsel_script(evsel->leader)->gnum = 0; 1869 } 1870 } 1871 1872 static bool show_event(struct perf_sample *sample, 1873 struct evsel *evsel, 1874 struct thread *thread, 1875 struct addr_location *al) 1876 { 1877 int depth = thread_stack__depth(thread, sample->cpu); 1878 1879 if (!symbol_conf.graph_function) 1880 return true; 1881 1882 if (thread->filter) { 1883 if (depth <= thread->filter_entry_depth) { 1884 thread->filter = false; 1885 return false; 1886 } 1887 return true; 1888 } else { 1889 const char *s = symbol_conf.graph_function; 1890 u64 ip; 1891 const char *name = resolve_branch_sym(sample, evsel, thread, al, 1892 &ip); 1893 unsigned nlen; 1894 1895 if (!name) 1896 return false; 1897 nlen = strlen(name); 1898 while (*s) { 1899 unsigned len = strcspn(s, ","); 1900 if (nlen == len && !strncmp(name, s, len)) { 1901 thread->filter = true; 1902 thread->filter_entry_depth = depth; 1903 return true; 1904 } 1905 s += len; 1906 if (*s == ',') 1907 s++; 1908 } 1909 return false; 1910 } 1911 } 1912 1913 static void process_event(struct perf_script *script, 1914 struct perf_sample *sample, struct evsel *evsel, 1915 struct addr_location *al, 1916 struct machine *machine) 1917 { 1918 struct thread *thread = al->thread; 1919 struct perf_event_attr *attr = &evsel->core.attr; 1920 unsigned int type = output_type(attr->type); 1921 struct evsel_script *es = evsel->priv; 1922 FILE *fp = es->fp; 1923 1924 if (output[type].fields == 0) 1925 return; 1926 1927 if (!show_event(sample, evsel, thread, al)) 1928 return; 1929 1930 if (evswitch__discard(&script->evswitch, evsel)) 1931 return; 1932 1933 ++es->samples; 1934 1935 perf_sample__fprintf_start(script, sample, thread, evsel, 1936 PERF_RECORD_SAMPLE, fp); 1937 1938 if (PRINT_FIELD(PERIOD)) 1939 fprintf(fp, "%10" PRIu64 " ", sample->period); 1940 1941 if (PRINT_FIELD(EVNAME)) { 1942 const char *evname = evsel__name(evsel); 1943 1944 if (!script->name_width) 1945 script->name_width = evlist__max_name_len(script->session->evlist); 1946 1947 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]"); 1948 } 1949 1950 if (print_flags) 1951 perf_sample__fprintf_flags(sample->flags, fp); 1952 1953 if (is_bts_event(attr)) { 1954 perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp); 1955 return; 1956 } 1957 1958 if (PRINT_FIELD(TRACE) && sample->raw_data) { 1959 event_format__fprintf(evsel->tp_format, sample->cpu, 1960 sample->raw_data, sample->raw_size, fp); 1961 } 1962 1963 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH)) 1964 perf_sample__fprintf_synth(sample, evsel, fp); 1965 1966 if (PRINT_FIELD(ADDR)) 1967 perf_sample__fprintf_addr(sample, thread, attr, fp); 1968 1969 if (PRINT_FIELD(DATA_SRC)) 1970 data_src__fprintf(sample->data_src, fp); 1971 1972 if (PRINT_FIELD(WEIGHT)) 1973 fprintf(fp, "%16" PRIu64, sample->weight); 1974 1975 if (PRINT_FIELD(IP)) { 1976 struct callchain_cursor *cursor = NULL; 1977 1978 if (script->stitch_lbr) 1979 al->thread->lbr_stitch_enable = true; 1980 1981 if (symbol_conf.use_callchain && sample->callchain && 1982 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 1983 sample, NULL, NULL, scripting_max_stack) == 0) 1984 cursor = &callchain_cursor; 1985 1986 fputc(cursor ? '\n' : ' ', fp); 1987 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, 1988 symbol_conf.bt_stop_list, fp); 1989 } 1990 1991 if (PRINT_FIELD(IREGS)) 1992 perf_sample__fprintf_iregs(sample, attr, fp); 1993 1994 if (PRINT_FIELD(UREGS)) 1995 perf_sample__fprintf_uregs(sample, attr, fp); 1996 1997 if (PRINT_FIELD(BRSTACK)) 1998 perf_sample__fprintf_brstack(sample, thread, attr, fp); 1999 else if (PRINT_FIELD(BRSTACKSYM)) 2000 perf_sample__fprintf_brstacksym(sample, thread, attr, fp); 2001 else if (PRINT_FIELD(BRSTACKOFF)) 2002 perf_sample__fprintf_brstackoff(sample, thread, attr, fp); 2003 2004 if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT)) 2005 perf_sample__fprintf_bpf_output(sample, fp); 2006 perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 2007 2008 if (PRINT_FIELD(PHYS_ADDR)) 2009 fprintf(fp, "%16" PRIx64, sample->phys_addr); 2010 2011 perf_sample__fprintf_ipc(sample, attr, fp); 2012 2013 fprintf(fp, "\n"); 2014 2015 if (PRINT_FIELD(SRCCODE)) { 2016 if (map__fprintf_srccode(al->map, al->addr, stdout, 2017 &thread->srccode_state)) 2018 printf("\n"); 2019 } 2020 2021 if (PRINT_FIELD(METRIC)) 2022 perf_sample__fprint_metric(script, thread, evsel, sample, fp); 2023 2024 if (verbose) 2025 fflush(fp); 2026 } 2027 2028 static struct scripting_ops *scripting_ops; 2029 2030 static void __process_stat(struct evsel *counter, u64 tstamp) 2031 { 2032 int nthreads = perf_thread_map__nr(counter->core.threads); 2033 int ncpus = evsel__nr_cpus(counter); 2034 int cpu, thread; 2035 static int header_printed; 2036 2037 if (counter->core.system_wide) 2038 nthreads = 1; 2039 2040 if (!header_printed) { 2041 printf("%3s %8s %15s %15s %15s %15s %s\n", 2042 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT"); 2043 header_printed = 1; 2044 } 2045 2046 for (thread = 0; thread < nthreads; thread++) { 2047 for (cpu = 0; cpu < ncpus; cpu++) { 2048 struct perf_counts_values *counts; 2049 2050 counts = perf_counts(counter->counts, cpu, thread); 2051 2052 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n", 2053 counter->core.cpus->map[cpu], 2054 perf_thread_map__pid(counter->core.threads, thread), 2055 counts->val, 2056 counts->ena, 2057 counts->run, 2058 tstamp, 2059 evsel__name(counter)); 2060 } 2061 } 2062 } 2063 2064 static void process_stat(struct evsel *counter, u64 tstamp) 2065 { 2066 if (scripting_ops && scripting_ops->process_stat) 2067 scripting_ops->process_stat(&stat_config, counter, tstamp); 2068 else 2069 __process_stat(counter, tstamp); 2070 } 2071 2072 static void process_stat_interval(u64 tstamp) 2073 { 2074 if (scripting_ops && scripting_ops->process_stat_interval) 2075 scripting_ops->process_stat_interval(tstamp); 2076 } 2077 2078 static void setup_scripting(void) 2079 { 2080 setup_perl_scripting(); 2081 setup_python_scripting(); 2082 } 2083 2084 static int flush_scripting(void) 2085 { 2086 return scripting_ops ? scripting_ops->flush_script() : 0; 2087 } 2088 2089 static int cleanup_scripting(void) 2090 { 2091 pr_debug("\nperf script stopped\n"); 2092 2093 return scripting_ops ? scripting_ops->stop_script() : 0; 2094 } 2095 2096 static bool filter_cpu(struct perf_sample *sample) 2097 { 2098 if (cpu_list && sample->cpu != (u32)-1) 2099 return !test_bit(sample->cpu, cpu_bitmap); 2100 return false; 2101 } 2102 2103 static int process_sample_event(struct perf_tool *tool, 2104 union perf_event *event, 2105 struct perf_sample *sample, 2106 struct evsel *evsel, 2107 struct machine *machine) 2108 { 2109 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2110 struct addr_location al; 2111 2112 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num, 2113 sample->time)) { 2114 return 0; 2115 } 2116 2117 if (debug_mode) { 2118 if (sample->time < last_timestamp) { 2119 pr_err("Samples misordered, previous: %" PRIu64 2120 " this: %" PRIu64 "\n", last_timestamp, 2121 sample->time); 2122 nr_unordered++; 2123 } 2124 last_timestamp = sample->time; 2125 return 0; 2126 } 2127 2128 if (machine__resolve(machine, &al, sample) < 0) { 2129 pr_err("problem processing %d event, skipping it.\n", 2130 event->header.type); 2131 return -1; 2132 } 2133 2134 if (al.filtered) 2135 goto out_put; 2136 2137 if (filter_cpu(sample)) 2138 goto out_put; 2139 2140 if (scripting_ops) 2141 scripting_ops->process_event(event, sample, evsel, &al); 2142 else 2143 process_event(scr, sample, evsel, &al, machine); 2144 2145 out_put: 2146 addr_location__put(&al); 2147 return 0; 2148 } 2149 2150 static int process_attr(struct perf_tool *tool, union perf_event *event, 2151 struct evlist **pevlist) 2152 { 2153 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2154 struct evlist *evlist; 2155 struct evsel *evsel, *pos; 2156 u64 sample_type; 2157 int err; 2158 static struct evsel_script *es; 2159 2160 err = perf_event__process_attr(tool, event, pevlist); 2161 if (err) 2162 return err; 2163 2164 evlist = *pevlist; 2165 evsel = evlist__last(*pevlist); 2166 2167 if (!evsel->priv) { 2168 if (scr->per_event_dump) { 2169 evsel->priv = perf_evsel_script__new(evsel, 2170 scr->session->data); 2171 } else { 2172 es = zalloc(sizeof(*es)); 2173 if (!es) 2174 return -ENOMEM; 2175 es->fp = stdout; 2176 evsel->priv = es; 2177 } 2178 } 2179 2180 if (evsel->core.attr.type >= PERF_TYPE_MAX && 2181 evsel->core.attr.type != PERF_TYPE_SYNTH) 2182 return 0; 2183 2184 evlist__for_each_entry(evlist, pos) { 2185 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel) 2186 return 0; 2187 } 2188 2189 if (evsel->core.attr.sample_type) { 2190 err = evsel__check_attr(evsel, scr->session); 2191 if (err) 2192 return err; 2193 } 2194 2195 /* 2196 * Check if we need to enable callchains based 2197 * on events sample_type. 2198 */ 2199 sample_type = evlist__combined_sample_type(evlist); 2200 callchain_param_setup(sample_type); 2201 2202 /* Enable fields for callchain entries */ 2203 if (symbol_conf.use_callchain && 2204 (sample_type & PERF_SAMPLE_CALLCHAIN || 2205 sample_type & PERF_SAMPLE_BRANCH_STACK || 2206 (sample_type & PERF_SAMPLE_REGS_USER && 2207 sample_type & PERF_SAMPLE_STACK_USER))) { 2208 int type = output_type(evsel->core.attr.type); 2209 2210 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP)) 2211 output[type].fields |= PERF_OUTPUT_IP; 2212 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM)) 2213 output[type].fields |= PERF_OUTPUT_SYM; 2214 } 2215 set_print_ip_opts(&evsel->core.attr); 2216 return 0; 2217 } 2218 2219 static int print_event_with_time(struct perf_tool *tool, 2220 union perf_event *event, 2221 struct perf_sample *sample, 2222 struct machine *machine, 2223 pid_t pid, pid_t tid, u64 timestamp) 2224 { 2225 struct perf_script *script = container_of(tool, struct perf_script, tool); 2226 struct perf_session *session = script->session; 2227 struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2228 struct thread *thread = NULL; 2229 2230 if (evsel && !evsel->core.attr.sample_id_all) { 2231 sample->cpu = 0; 2232 sample->time = timestamp; 2233 sample->pid = pid; 2234 sample->tid = tid; 2235 } 2236 2237 if (filter_cpu(sample)) 2238 return 0; 2239 2240 if (tid != -1) 2241 thread = machine__findnew_thread(machine, pid, tid); 2242 2243 if (evsel) { 2244 perf_sample__fprintf_start(script, sample, thread, evsel, 2245 event->header.type, stdout); 2246 } 2247 2248 perf_event__fprintf(event, machine, stdout); 2249 2250 thread__put(thread); 2251 2252 return 0; 2253 } 2254 2255 static int print_event(struct perf_tool *tool, union perf_event *event, 2256 struct perf_sample *sample, struct machine *machine, 2257 pid_t pid, pid_t tid) 2258 { 2259 return print_event_with_time(tool, event, sample, machine, pid, tid, 0); 2260 } 2261 2262 static int process_comm_event(struct perf_tool *tool, 2263 union perf_event *event, 2264 struct perf_sample *sample, 2265 struct machine *machine) 2266 { 2267 if (perf_event__process_comm(tool, event, sample, machine) < 0) 2268 return -1; 2269 2270 return print_event(tool, event, sample, machine, event->comm.pid, 2271 event->comm.tid); 2272 } 2273 2274 static int process_namespaces_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_namespaces(tool, event, sample, machine) < 0) 2280 return -1; 2281 2282 return print_event(tool, event, sample, machine, event->namespaces.pid, 2283 event->namespaces.tid); 2284 } 2285 2286 static int process_cgroup_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_cgroup(tool, event, sample, machine) < 0) 2292 return -1; 2293 2294 return print_event(tool, event, sample, machine, sample->pid, 2295 sample->tid); 2296 } 2297 2298 static int process_fork_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_fork(tool, event, sample, machine) < 0) 2304 return -1; 2305 2306 return print_event_with_time(tool, event, sample, machine, 2307 event->fork.pid, event->fork.tid, 2308 event->fork.time); 2309 } 2310 static int process_exit_event(struct perf_tool *tool, 2311 union perf_event *event, 2312 struct perf_sample *sample, 2313 struct machine *machine) 2314 { 2315 /* Print before 'exit' deletes anything */ 2316 if (print_event_with_time(tool, event, sample, machine, event->fork.pid, 2317 event->fork.tid, event->fork.time)) 2318 return -1; 2319 2320 return perf_event__process_exit(tool, event, sample, machine); 2321 } 2322 2323 static int process_mmap_event(struct perf_tool *tool, 2324 union perf_event *event, 2325 struct perf_sample *sample, 2326 struct machine *machine) 2327 { 2328 if (perf_event__process_mmap(tool, event, sample, machine) < 0) 2329 return -1; 2330 2331 return print_event(tool, event, sample, machine, event->mmap.pid, 2332 event->mmap.tid); 2333 } 2334 2335 static int process_mmap2_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_mmap2(tool, event, sample, machine) < 0) 2341 return -1; 2342 2343 return print_event(tool, event, sample, machine, event->mmap2.pid, 2344 event->mmap2.tid); 2345 } 2346 2347 static int process_switch_event(struct perf_tool *tool, 2348 union perf_event *event, 2349 struct perf_sample *sample, 2350 struct machine *machine) 2351 { 2352 struct perf_script *script = container_of(tool, struct perf_script, tool); 2353 2354 if (perf_event__process_switch(tool, event, sample, machine) < 0) 2355 return -1; 2356 2357 if (scripting_ops && scripting_ops->process_switch) 2358 scripting_ops->process_switch(event, sample, machine); 2359 2360 if (!script->show_switch_events) 2361 return 0; 2362 2363 return print_event(tool, event, sample, machine, sample->pid, 2364 sample->tid); 2365 } 2366 2367 static int 2368 process_lost_event(struct perf_tool *tool, 2369 union perf_event *event, 2370 struct perf_sample *sample, 2371 struct machine *machine) 2372 { 2373 return print_event(tool, event, sample, machine, sample->pid, 2374 sample->tid); 2375 } 2376 2377 static int 2378 process_finished_round_event(struct perf_tool *tool __maybe_unused, 2379 union perf_event *event, 2380 struct ordered_events *oe __maybe_unused) 2381 2382 { 2383 perf_event__fprintf(event, NULL, stdout); 2384 return 0; 2385 } 2386 2387 static int 2388 process_bpf_events(struct perf_tool *tool __maybe_unused, 2389 union perf_event *event, 2390 struct perf_sample *sample, 2391 struct machine *machine) 2392 { 2393 if (machine__process_ksymbol(machine, event, sample) < 0) 2394 return -1; 2395 2396 return print_event(tool, event, sample, machine, sample->pid, 2397 sample->tid); 2398 } 2399 2400 static int process_text_poke_events(struct perf_tool *tool, 2401 union perf_event *event, 2402 struct perf_sample *sample, 2403 struct machine *machine) 2404 { 2405 if (perf_event__process_text_poke(tool, event, sample, machine) < 0) 2406 return -1; 2407 2408 return print_event(tool, event, sample, machine, sample->pid, 2409 sample->tid); 2410 } 2411 2412 static void sig_handler(int sig __maybe_unused) 2413 { 2414 session_done = 1; 2415 } 2416 2417 static void perf_script__fclose_per_event_dump(struct perf_script *script) 2418 { 2419 struct evlist *evlist = script->session->evlist; 2420 struct evsel *evsel; 2421 2422 evlist__for_each_entry(evlist, evsel) { 2423 if (!evsel->priv) 2424 break; 2425 perf_evsel_script__delete(evsel->priv); 2426 evsel->priv = NULL; 2427 } 2428 } 2429 2430 static int perf_script__fopen_per_event_dump(struct perf_script *script) 2431 { 2432 struct evsel *evsel; 2433 2434 evlist__for_each_entry(script->session->evlist, evsel) { 2435 /* 2436 * Already setup? I.e. we may be called twice in cases like 2437 * Intel PT, one for the intel_pt// and dummy events, then 2438 * for the evsels syntheized from the auxtrace info. 2439 * 2440 * Ses perf_script__process_auxtrace_info. 2441 */ 2442 if (evsel->priv != NULL) 2443 continue; 2444 2445 evsel->priv = perf_evsel_script__new(evsel, script->session->data); 2446 if (evsel->priv == NULL) 2447 goto out_err_fclose; 2448 } 2449 2450 return 0; 2451 2452 out_err_fclose: 2453 perf_script__fclose_per_event_dump(script); 2454 return -1; 2455 } 2456 2457 static int perf_script__setup_per_event_dump(struct perf_script *script) 2458 { 2459 struct evsel *evsel; 2460 static struct evsel_script es_stdout; 2461 2462 if (script->per_event_dump) 2463 return perf_script__fopen_per_event_dump(script); 2464 2465 es_stdout.fp = stdout; 2466 2467 evlist__for_each_entry(script->session->evlist, evsel) 2468 evsel->priv = &es_stdout; 2469 2470 return 0; 2471 } 2472 2473 static void perf_script__exit_per_event_dump_stats(struct perf_script *script) 2474 { 2475 struct evsel *evsel; 2476 2477 evlist__for_each_entry(script->session->evlist, evsel) { 2478 struct evsel_script *es = evsel->priv; 2479 2480 perf_evsel_script__fprintf(es, stdout); 2481 perf_evsel_script__delete(es); 2482 evsel->priv = NULL; 2483 } 2484 } 2485 2486 static int __cmd_script(struct perf_script *script) 2487 { 2488 int ret; 2489 2490 signal(SIGINT, sig_handler); 2491 2492 perf_stat__init_shadow_stats(); 2493 2494 /* override event processing functions */ 2495 if (script->show_task_events) { 2496 script->tool.comm = process_comm_event; 2497 script->tool.fork = process_fork_event; 2498 script->tool.exit = process_exit_event; 2499 } 2500 if (script->show_mmap_events) { 2501 script->tool.mmap = process_mmap_event; 2502 script->tool.mmap2 = process_mmap2_event; 2503 } 2504 if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch)) 2505 script->tool.context_switch = process_switch_event; 2506 if (script->show_namespace_events) 2507 script->tool.namespaces = process_namespaces_event; 2508 if (script->show_cgroup_events) 2509 script->tool.cgroup = process_cgroup_event; 2510 if (script->show_lost_events) 2511 script->tool.lost = process_lost_event; 2512 if (script->show_round_events) { 2513 script->tool.ordered_events = false; 2514 script->tool.finished_round = process_finished_round_event; 2515 } 2516 if (script->show_bpf_events) { 2517 script->tool.ksymbol = process_bpf_events; 2518 script->tool.bpf = process_bpf_events; 2519 } 2520 if (script->show_text_poke_events) { 2521 script->tool.ksymbol = process_bpf_events; 2522 script->tool.text_poke = process_text_poke_events; 2523 } 2524 2525 if (perf_script__setup_per_event_dump(script)) { 2526 pr_err("Couldn't create the per event dump files\n"); 2527 return -1; 2528 } 2529 2530 ret = perf_session__process_events(script->session); 2531 2532 if (script->per_event_dump) 2533 perf_script__exit_per_event_dump_stats(script); 2534 2535 if (debug_mode) 2536 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); 2537 2538 return ret; 2539 } 2540 2541 struct script_spec { 2542 struct list_head node; 2543 struct scripting_ops *ops; 2544 char spec[]; 2545 }; 2546 2547 static LIST_HEAD(script_specs); 2548 2549 static struct script_spec *script_spec__new(const char *spec, 2550 struct scripting_ops *ops) 2551 { 2552 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); 2553 2554 if (s != NULL) { 2555 strcpy(s->spec, spec); 2556 s->ops = ops; 2557 } 2558 2559 return s; 2560 } 2561 2562 static void script_spec__add(struct script_spec *s) 2563 { 2564 list_add_tail(&s->node, &script_specs); 2565 } 2566 2567 static struct script_spec *script_spec__find(const char *spec) 2568 { 2569 struct script_spec *s; 2570 2571 list_for_each_entry(s, &script_specs, node) 2572 if (strcasecmp(s->spec, spec) == 0) 2573 return s; 2574 return NULL; 2575 } 2576 2577 int script_spec_register(const char *spec, struct scripting_ops *ops) 2578 { 2579 struct script_spec *s; 2580 2581 s = script_spec__find(spec); 2582 if (s) 2583 return -1; 2584 2585 s = script_spec__new(spec, ops); 2586 if (!s) 2587 return -1; 2588 else 2589 script_spec__add(s); 2590 2591 return 0; 2592 } 2593 2594 static struct scripting_ops *script_spec__lookup(const char *spec) 2595 { 2596 struct script_spec *s = script_spec__find(spec); 2597 if (!s) 2598 return NULL; 2599 2600 return s->ops; 2601 } 2602 2603 static void list_available_languages(void) 2604 { 2605 struct script_spec *s; 2606 2607 fprintf(stderr, "\n"); 2608 fprintf(stderr, "Scripting language extensions (used in " 2609 "perf script -s [spec:]script.[spec]):\n\n"); 2610 2611 list_for_each_entry(s, &script_specs, node) 2612 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); 2613 2614 fprintf(stderr, "\n"); 2615 } 2616 2617 static int parse_scriptname(const struct option *opt __maybe_unused, 2618 const char *str, int unset __maybe_unused) 2619 { 2620 char spec[PATH_MAX]; 2621 const char *script, *ext; 2622 int len; 2623 2624 if (strcmp(str, "lang") == 0) { 2625 list_available_languages(); 2626 exit(0); 2627 } 2628 2629 script = strchr(str, ':'); 2630 if (script) { 2631 len = script - str; 2632 if (len >= PATH_MAX) { 2633 fprintf(stderr, "invalid language specifier"); 2634 return -1; 2635 } 2636 strncpy(spec, str, len); 2637 spec[len] = '\0'; 2638 scripting_ops = script_spec__lookup(spec); 2639 if (!scripting_ops) { 2640 fprintf(stderr, "invalid language specifier"); 2641 return -1; 2642 } 2643 script++; 2644 } else { 2645 script = str; 2646 ext = strrchr(script, '.'); 2647 if (!ext) { 2648 fprintf(stderr, "invalid script extension"); 2649 return -1; 2650 } 2651 scripting_ops = script_spec__lookup(++ext); 2652 if (!scripting_ops) { 2653 fprintf(stderr, "invalid script extension"); 2654 return -1; 2655 } 2656 } 2657 2658 script_name = strdup(script); 2659 2660 return 0; 2661 } 2662 2663 static int parse_output_fields(const struct option *opt __maybe_unused, 2664 const char *arg, int unset __maybe_unused) 2665 { 2666 char *tok, *strtok_saveptr = NULL; 2667 int i, imax = ARRAY_SIZE(all_output_options); 2668 int j; 2669 int rc = 0; 2670 char *str = strdup(arg); 2671 int type = -1; 2672 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT; 2673 2674 if (!str) 2675 return -ENOMEM; 2676 2677 /* first word can state for which event type the user is specifying 2678 * the fields. If no type exists, the specified fields apply to all 2679 * event types found in the file minus the invalid fields for a type. 2680 */ 2681 tok = strchr(str, ':'); 2682 if (tok) { 2683 *tok = '\0'; 2684 tok++; 2685 if (!strcmp(str, "hw")) 2686 type = PERF_TYPE_HARDWARE; 2687 else if (!strcmp(str, "sw")) 2688 type = PERF_TYPE_SOFTWARE; 2689 else if (!strcmp(str, "trace")) 2690 type = PERF_TYPE_TRACEPOINT; 2691 else if (!strcmp(str, "raw")) 2692 type = PERF_TYPE_RAW; 2693 else if (!strcmp(str, "break")) 2694 type = PERF_TYPE_BREAKPOINT; 2695 else if (!strcmp(str, "synth")) 2696 type = OUTPUT_TYPE_SYNTH; 2697 else { 2698 fprintf(stderr, "Invalid event type in field string.\n"); 2699 rc = -EINVAL; 2700 goto out; 2701 } 2702 2703 if (output[type].user_set) 2704 pr_warning("Overriding previous field request for %s events.\n", 2705 event_type(type)); 2706 2707 /* Don't override defaults for +- */ 2708 if (strchr(tok, '+') || strchr(tok, '-')) 2709 goto parse; 2710 2711 output[type].fields = 0; 2712 output[type].user_set = true; 2713 output[type].wildcard_set = false; 2714 2715 } else { 2716 tok = str; 2717 if (strlen(str) == 0) { 2718 fprintf(stderr, 2719 "Cannot set fields to 'none' for all event types.\n"); 2720 rc = -EINVAL; 2721 goto out; 2722 } 2723 2724 /* Don't override defaults for +- */ 2725 if (strchr(str, '+') || strchr(str, '-')) 2726 goto parse; 2727 2728 if (output_set_by_user()) 2729 pr_warning("Overriding previous field request for all events.\n"); 2730 2731 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 2732 output[j].fields = 0; 2733 output[j].user_set = true; 2734 output[j].wildcard_set = true; 2735 } 2736 } 2737 2738 parse: 2739 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) { 2740 if (*tok == '+') { 2741 if (change == SET) 2742 goto out_badmix; 2743 change = ADD; 2744 tok++; 2745 } else if (*tok == '-') { 2746 if (change == SET) 2747 goto out_badmix; 2748 change = REMOVE; 2749 tok++; 2750 } else { 2751 if (change != SET && change != DEFAULT) 2752 goto out_badmix; 2753 change = SET; 2754 } 2755 2756 for (i = 0; i < imax; ++i) { 2757 if (strcmp(tok, all_output_options[i].str) == 0) 2758 break; 2759 } 2760 if (i == imax && strcmp(tok, "flags") == 0) { 2761 print_flags = change == REMOVE ? false : true; 2762 continue; 2763 } 2764 if (i == imax) { 2765 fprintf(stderr, "Invalid field requested.\n"); 2766 rc = -EINVAL; 2767 goto out; 2768 } 2769 2770 if (type == -1) { 2771 /* add user option to all events types for 2772 * which it is valid 2773 */ 2774 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 2775 if (output[j].invalid_fields & all_output_options[i].field) { 2776 pr_warning("\'%s\' not valid for %s events. Ignoring.\n", 2777 all_output_options[i].str, event_type(j)); 2778 } else { 2779 if (change == REMOVE) { 2780 output[j].fields &= ~all_output_options[i].field; 2781 output[j].user_set_fields &= ~all_output_options[i].field; 2782 output[j].user_unset_fields |= all_output_options[i].field; 2783 } else { 2784 output[j].fields |= all_output_options[i].field; 2785 output[j].user_set_fields |= all_output_options[i].field; 2786 output[j].user_unset_fields &= ~all_output_options[i].field; 2787 } 2788 output[j].user_set = true; 2789 output[j].wildcard_set = true; 2790 } 2791 } 2792 } else { 2793 if (output[type].invalid_fields & all_output_options[i].field) { 2794 fprintf(stderr, "\'%s\' not valid for %s events.\n", 2795 all_output_options[i].str, event_type(type)); 2796 2797 rc = -EINVAL; 2798 goto out; 2799 } 2800 if (change == REMOVE) 2801 output[type].fields &= ~all_output_options[i].field; 2802 else 2803 output[type].fields |= all_output_options[i].field; 2804 output[type].user_set = true; 2805 output[type].wildcard_set = true; 2806 } 2807 } 2808 2809 if (type >= 0) { 2810 if (output[type].fields == 0) { 2811 pr_debug("No fields requested for %s type. " 2812 "Events will not be displayed.\n", event_type(type)); 2813 } 2814 } 2815 goto out; 2816 2817 out_badmix: 2818 fprintf(stderr, "Cannot mix +-field with overridden fields\n"); 2819 rc = -EINVAL; 2820 out: 2821 free(str); 2822 return rc; 2823 } 2824 2825 #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \ 2826 while ((lang_dirent = readdir(scripts_dir)) != NULL) \ 2827 if ((lang_dirent->d_type == DT_DIR || \ 2828 (lang_dirent->d_type == DT_UNKNOWN && \ 2829 is_directory(scripts_path, lang_dirent))) && \ 2830 (strcmp(lang_dirent->d_name, ".")) && \ 2831 (strcmp(lang_dirent->d_name, ".."))) 2832 2833 #define for_each_script(lang_path, lang_dir, script_dirent) \ 2834 while ((script_dirent = readdir(lang_dir)) != NULL) \ 2835 if (script_dirent->d_type != DT_DIR && \ 2836 (script_dirent->d_type != DT_UNKNOWN || \ 2837 !is_directory(lang_path, script_dirent))) 2838 2839 2840 #define RECORD_SUFFIX "-record" 2841 #define REPORT_SUFFIX "-report" 2842 2843 struct script_desc { 2844 struct list_head node; 2845 char *name; 2846 char *half_liner; 2847 char *args; 2848 }; 2849 2850 static LIST_HEAD(script_descs); 2851 2852 static struct script_desc *script_desc__new(const char *name) 2853 { 2854 struct script_desc *s = zalloc(sizeof(*s)); 2855 2856 if (s != NULL && name) 2857 s->name = strdup(name); 2858 2859 return s; 2860 } 2861 2862 static void script_desc__delete(struct script_desc *s) 2863 { 2864 zfree(&s->name); 2865 zfree(&s->half_liner); 2866 zfree(&s->args); 2867 free(s); 2868 } 2869 2870 static void script_desc__add(struct script_desc *s) 2871 { 2872 list_add_tail(&s->node, &script_descs); 2873 } 2874 2875 static struct script_desc *script_desc__find(const char *name) 2876 { 2877 struct script_desc *s; 2878 2879 list_for_each_entry(s, &script_descs, node) 2880 if (strcasecmp(s->name, name) == 0) 2881 return s; 2882 return NULL; 2883 } 2884 2885 static struct script_desc *script_desc__findnew(const char *name) 2886 { 2887 struct script_desc *s = script_desc__find(name); 2888 2889 if (s) 2890 return s; 2891 2892 s = script_desc__new(name); 2893 if (!s) 2894 return NULL; 2895 2896 script_desc__add(s); 2897 2898 return s; 2899 } 2900 2901 static const char *ends_with(const char *str, const char *suffix) 2902 { 2903 size_t suffix_len = strlen(suffix); 2904 const char *p = str; 2905 2906 if (strlen(str) > suffix_len) { 2907 p = str + strlen(str) - suffix_len; 2908 if (!strncmp(p, suffix, suffix_len)) 2909 return p; 2910 } 2911 2912 return NULL; 2913 } 2914 2915 static int read_script_info(struct script_desc *desc, const char *filename) 2916 { 2917 char line[BUFSIZ], *p; 2918 FILE *fp; 2919 2920 fp = fopen(filename, "r"); 2921 if (!fp) 2922 return -1; 2923 2924 while (fgets(line, sizeof(line), fp)) { 2925 p = skip_spaces(line); 2926 if (strlen(p) == 0) 2927 continue; 2928 if (*p != '#') 2929 continue; 2930 p++; 2931 if (strlen(p) && *p == '!') 2932 continue; 2933 2934 p = skip_spaces(p); 2935 if (strlen(p) && p[strlen(p) - 1] == '\n') 2936 p[strlen(p) - 1] = '\0'; 2937 2938 if (!strncmp(p, "description:", strlen("description:"))) { 2939 p += strlen("description:"); 2940 desc->half_liner = strdup(skip_spaces(p)); 2941 continue; 2942 } 2943 2944 if (!strncmp(p, "args:", strlen("args:"))) { 2945 p += strlen("args:"); 2946 desc->args = strdup(skip_spaces(p)); 2947 continue; 2948 } 2949 } 2950 2951 fclose(fp); 2952 2953 return 0; 2954 } 2955 2956 static char *get_script_root(struct dirent *script_dirent, const char *suffix) 2957 { 2958 char *script_root, *str; 2959 2960 script_root = strdup(script_dirent->d_name); 2961 if (!script_root) 2962 return NULL; 2963 2964 str = (char *)ends_with(script_root, suffix); 2965 if (!str) { 2966 free(script_root); 2967 return NULL; 2968 } 2969 2970 *str = '\0'; 2971 return script_root; 2972 } 2973 2974 static int list_available_scripts(const struct option *opt __maybe_unused, 2975 const char *s __maybe_unused, 2976 int unset __maybe_unused) 2977 { 2978 struct dirent *script_dirent, *lang_dirent; 2979 char scripts_path[MAXPATHLEN]; 2980 DIR *scripts_dir, *lang_dir; 2981 char script_path[MAXPATHLEN]; 2982 char lang_path[MAXPATHLEN]; 2983 struct script_desc *desc; 2984 char first_half[BUFSIZ]; 2985 char *script_root; 2986 2987 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 2988 2989 scripts_dir = opendir(scripts_path); 2990 if (!scripts_dir) { 2991 fprintf(stdout, 2992 "open(%s) failed.\n" 2993 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n", 2994 scripts_path); 2995 exit(-1); 2996 } 2997 2998 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 2999 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3000 lang_dirent->d_name); 3001 lang_dir = opendir(lang_path); 3002 if (!lang_dir) 3003 continue; 3004 3005 for_each_script(lang_path, lang_dir, script_dirent) { 3006 script_root = get_script_root(script_dirent, REPORT_SUFFIX); 3007 if (script_root) { 3008 desc = script_desc__findnew(script_root); 3009 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3010 lang_path, script_dirent->d_name); 3011 read_script_info(desc, script_path); 3012 free(script_root); 3013 } 3014 } 3015 } 3016 3017 fprintf(stdout, "List of available trace scripts:\n"); 3018 list_for_each_entry(desc, &script_descs, node) { 3019 sprintf(first_half, "%s %s", desc->name, 3020 desc->args ? desc->args : ""); 3021 fprintf(stdout, " %-36s %s\n", first_half, 3022 desc->half_liner ? desc->half_liner : ""); 3023 } 3024 3025 exit(0); 3026 } 3027 3028 /* 3029 * Some scripts specify the required events in their "xxx-record" file, 3030 * this function will check if the events in perf.data match those 3031 * mentioned in the "xxx-record". 3032 * 3033 * Fixme: All existing "xxx-record" are all in good formats "-e event ", 3034 * which is covered well now. And new parsing code should be added to 3035 * cover the future complexing formats like event groups etc. 3036 */ 3037 static int check_ev_match(char *dir_name, char *scriptname, 3038 struct perf_session *session) 3039 { 3040 char filename[MAXPATHLEN], evname[128]; 3041 char line[BUFSIZ], *p; 3042 struct evsel *pos; 3043 int match, len; 3044 FILE *fp; 3045 3046 scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname); 3047 3048 fp = fopen(filename, "r"); 3049 if (!fp) 3050 return -1; 3051 3052 while (fgets(line, sizeof(line), fp)) { 3053 p = skip_spaces(line); 3054 if (*p == '#') 3055 continue; 3056 3057 while (strlen(p)) { 3058 p = strstr(p, "-e"); 3059 if (!p) 3060 break; 3061 3062 p += 2; 3063 p = skip_spaces(p); 3064 len = strcspn(p, " \t"); 3065 if (!len) 3066 break; 3067 3068 snprintf(evname, len + 1, "%s", p); 3069 3070 match = 0; 3071 evlist__for_each_entry(session->evlist, pos) { 3072 if (!strcmp(evsel__name(pos), evname)) { 3073 match = 1; 3074 break; 3075 } 3076 } 3077 3078 if (!match) { 3079 fclose(fp); 3080 return -1; 3081 } 3082 } 3083 } 3084 3085 fclose(fp); 3086 return 0; 3087 } 3088 3089 /* 3090 * Return -1 if none is found, otherwise the actual scripts number. 3091 * 3092 * Currently the only user of this function is the script browser, which 3093 * will list all statically runnable scripts, select one, execute it and 3094 * show the output in a perf browser. 3095 */ 3096 int find_scripts(char **scripts_array, char **scripts_path_array, int num, 3097 int pathlen) 3098 { 3099 struct dirent *script_dirent, *lang_dirent; 3100 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; 3101 DIR *scripts_dir, *lang_dir; 3102 struct perf_session *session; 3103 struct perf_data data = { 3104 .path = input_name, 3105 .mode = PERF_DATA_MODE_READ, 3106 }; 3107 char *temp; 3108 int i = 0; 3109 3110 session = perf_session__new(&data, false, NULL); 3111 if (IS_ERR(session)) 3112 return PTR_ERR(session); 3113 3114 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3115 3116 scripts_dir = opendir(scripts_path); 3117 if (!scripts_dir) { 3118 perf_session__delete(session); 3119 return -1; 3120 } 3121 3122 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3123 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, 3124 lang_dirent->d_name); 3125 #ifndef HAVE_LIBPERL_SUPPORT 3126 if (strstr(lang_path, "perl")) 3127 continue; 3128 #endif 3129 #ifndef HAVE_LIBPYTHON_SUPPORT 3130 if (strstr(lang_path, "python")) 3131 continue; 3132 #endif 3133 3134 lang_dir = opendir(lang_path); 3135 if (!lang_dir) 3136 continue; 3137 3138 for_each_script(lang_path, lang_dir, script_dirent) { 3139 /* Skip those real time scripts: xxxtop.p[yl] */ 3140 if (strstr(script_dirent->d_name, "top.")) 3141 continue; 3142 if (i >= num) 3143 break; 3144 snprintf(scripts_path_array[i], pathlen, "%s/%s", 3145 lang_path, 3146 script_dirent->d_name); 3147 temp = strchr(script_dirent->d_name, '.'); 3148 snprintf(scripts_array[i], 3149 (temp - script_dirent->d_name) + 1, 3150 "%s", script_dirent->d_name); 3151 3152 if (check_ev_match(lang_path, 3153 scripts_array[i], session)) 3154 continue; 3155 3156 i++; 3157 } 3158 closedir(lang_dir); 3159 } 3160 3161 closedir(scripts_dir); 3162 perf_session__delete(session); 3163 return i; 3164 } 3165 3166 static char *get_script_path(const char *script_root, const char *suffix) 3167 { 3168 struct dirent *script_dirent, *lang_dirent; 3169 char scripts_path[MAXPATHLEN]; 3170 char script_path[MAXPATHLEN]; 3171 DIR *scripts_dir, *lang_dir; 3172 char lang_path[MAXPATHLEN]; 3173 char *__script_root; 3174 3175 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3176 3177 scripts_dir = opendir(scripts_path); 3178 if (!scripts_dir) 3179 return NULL; 3180 3181 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3182 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3183 lang_dirent->d_name); 3184 lang_dir = opendir(lang_path); 3185 if (!lang_dir) 3186 continue; 3187 3188 for_each_script(lang_path, lang_dir, script_dirent) { 3189 __script_root = get_script_root(script_dirent, suffix); 3190 if (__script_root && !strcmp(script_root, __script_root)) { 3191 free(__script_root); 3192 closedir(scripts_dir); 3193 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3194 lang_path, script_dirent->d_name); 3195 closedir(lang_dir); 3196 return strdup(script_path); 3197 } 3198 free(__script_root); 3199 } 3200 closedir(lang_dir); 3201 } 3202 closedir(scripts_dir); 3203 3204 return NULL; 3205 } 3206 3207 static bool is_top_script(const char *script_path) 3208 { 3209 return ends_with(script_path, "top") == NULL ? false : true; 3210 } 3211 3212 static int has_required_arg(char *script_path) 3213 { 3214 struct script_desc *desc; 3215 int n_args = 0; 3216 char *p; 3217 3218 desc = script_desc__new(NULL); 3219 3220 if (read_script_info(desc, script_path)) 3221 goto out; 3222 3223 if (!desc->args) 3224 goto out; 3225 3226 for (p = desc->args; *p; p++) 3227 if (*p == '<') 3228 n_args++; 3229 out: 3230 script_desc__delete(desc); 3231 3232 return n_args; 3233 } 3234 3235 static int have_cmd(int argc, const char **argv) 3236 { 3237 char **__argv = malloc(sizeof(const char *) * argc); 3238 3239 if (!__argv) { 3240 pr_err("malloc failed\n"); 3241 return -1; 3242 } 3243 3244 memcpy(__argv, argv, sizeof(const char *) * argc); 3245 argc = parse_options(argc, (const char **)__argv, record_options, 3246 NULL, PARSE_OPT_STOP_AT_NON_OPTION); 3247 free(__argv); 3248 3249 system_wide = (argc == 0); 3250 3251 return 0; 3252 } 3253 3254 static void script__setup_sample_type(struct perf_script *script) 3255 { 3256 struct perf_session *session = script->session; 3257 u64 sample_type = evlist__combined_sample_type(session->evlist); 3258 3259 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) { 3260 if ((sample_type & PERF_SAMPLE_REGS_USER) && 3261 (sample_type & PERF_SAMPLE_STACK_USER)) { 3262 callchain_param.record_mode = CALLCHAIN_DWARF; 3263 dwarf_callchain_users = true; 3264 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK) 3265 callchain_param.record_mode = CALLCHAIN_LBR; 3266 else 3267 callchain_param.record_mode = CALLCHAIN_FP; 3268 } 3269 3270 if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) { 3271 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n" 3272 "Please apply --call-graph lbr when recording.\n"); 3273 script->stitch_lbr = false; 3274 } 3275 } 3276 3277 static int process_stat_round_event(struct perf_session *session, 3278 union perf_event *event) 3279 { 3280 struct perf_record_stat_round *round = &event->stat_round; 3281 struct evsel *counter; 3282 3283 evlist__for_each_entry(session->evlist, counter) { 3284 perf_stat_process_counter(&stat_config, counter); 3285 process_stat(counter, round->time); 3286 } 3287 3288 process_stat_interval(round->time); 3289 return 0; 3290 } 3291 3292 static int process_stat_config_event(struct perf_session *session __maybe_unused, 3293 union perf_event *event) 3294 { 3295 perf_event__read_stat_config(&stat_config, &event->stat_config); 3296 return 0; 3297 } 3298 3299 static int set_maps(struct perf_script *script) 3300 { 3301 struct evlist *evlist = script->session->evlist; 3302 3303 if (!script->cpus || !script->threads) 3304 return 0; 3305 3306 if (WARN_ONCE(script->allocated, "stats double allocation\n")) 3307 return -EINVAL; 3308 3309 perf_evlist__set_maps(&evlist->core, script->cpus, script->threads); 3310 3311 if (perf_evlist__alloc_stats(evlist, true)) 3312 return -ENOMEM; 3313 3314 script->allocated = true; 3315 return 0; 3316 } 3317 3318 static 3319 int process_thread_map_event(struct perf_session *session, 3320 union perf_event *event) 3321 { 3322 struct perf_tool *tool = session->tool; 3323 struct perf_script *script = container_of(tool, struct perf_script, tool); 3324 3325 if (script->threads) { 3326 pr_warning("Extra thread map event, ignoring.\n"); 3327 return 0; 3328 } 3329 3330 script->threads = thread_map__new_event(&event->thread_map); 3331 if (!script->threads) 3332 return -ENOMEM; 3333 3334 return set_maps(script); 3335 } 3336 3337 static 3338 int process_cpu_map_event(struct perf_session *session, 3339 union perf_event *event) 3340 { 3341 struct perf_tool *tool = session->tool; 3342 struct perf_script *script = container_of(tool, struct perf_script, tool); 3343 3344 if (script->cpus) { 3345 pr_warning("Extra cpu map event, ignoring.\n"); 3346 return 0; 3347 } 3348 3349 script->cpus = cpu_map__new_data(&event->cpu_map.data); 3350 if (!script->cpus) 3351 return -ENOMEM; 3352 3353 return set_maps(script); 3354 } 3355 3356 static int process_feature_event(struct perf_session *session, 3357 union perf_event *event) 3358 { 3359 if (event->feat.feat_id < HEADER_LAST_FEATURE) 3360 return perf_event__process_feature(session, event); 3361 return 0; 3362 } 3363 3364 #ifdef HAVE_AUXTRACE_SUPPORT 3365 static int perf_script__process_auxtrace_info(struct perf_session *session, 3366 union perf_event *event) 3367 { 3368 struct perf_tool *tool = session->tool; 3369 3370 int ret = perf_event__process_auxtrace_info(session, event); 3371 3372 if (ret == 0) { 3373 struct perf_script *script = container_of(tool, struct perf_script, tool); 3374 3375 ret = perf_script__setup_per_event_dump(script); 3376 } 3377 3378 return ret; 3379 } 3380 #else 3381 #define perf_script__process_auxtrace_info 0 3382 #endif 3383 3384 static int parse_insn_trace(const struct option *opt __maybe_unused, 3385 const char *str __maybe_unused, 3386 int unset __maybe_unused) 3387 { 3388 parse_output_fields(NULL, "+insn,-event,-period", 0); 3389 itrace_parse_synth_opts(opt, "i0ns", 0); 3390 symbol_conf.nanosecs = true; 3391 return 0; 3392 } 3393 3394 static int parse_xed(const struct option *opt __maybe_unused, 3395 const char *str __maybe_unused, 3396 int unset __maybe_unused) 3397 { 3398 if (isatty(1)) 3399 force_pager("xed -F insn: -A -64 | less"); 3400 else 3401 force_pager("xed -F insn: -A -64"); 3402 return 0; 3403 } 3404 3405 static int parse_call_trace(const struct option *opt __maybe_unused, 3406 const char *str __maybe_unused, 3407 int unset __maybe_unused) 3408 { 3409 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0); 3410 itrace_parse_synth_opts(opt, "cewp", 0); 3411 symbol_conf.nanosecs = true; 3412 symbol_conf.pad_output_len_dso = 50; 3413 return 0; 3414 } 3415 3416 static int parse_callret_trace(const struct option *opt __maybe_unused, 3417 const char *str __maybe_unused, 3418 int unset __maybe_unused) 3419 { 3420 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0); 3421 itrace_parse_synth_opts(opt, "crewp", 0); 3422 symbol_conf.nanosecs = true; 3423 return 0; 3424 } 3425 3426 int cmd_script(int argc, const char **argv) 3427 { 3428 bool show_full_info = false; 3429 bool header = false; 3430 bool header_only = false; 3431 bool script_started = false; 3432 char *rec_script_path = NULL; 3433 char *rep_script_path = NULL; 3434 struct perf_session *session; 3435 struct itrace_synth_opts itrace_synth_opts = { 3436 .set = false, 3437 .default_no_sample = true, 3438 }; 3439 struct utsname uts; 3440 char *script_path = NULL; 3441 const char **__argv; 3442 int i, j, err = 0; 3443 struct perf_script script = { 3444 .tool = { 3445 .sample = process_sample_event, 3446 .mmap = perf_event__process_mmap, 3447 .mmap2 = perf_event__process_mmap2, 3448 .comm = perf_event__process_comm, 3449 .namespaces = perf_event__process_namespaces, 3450 .cgroup = perf_event__process_cgroup, 3451 .exit = perf_event__process_exit, 3452 .fork = perf_event__process_fork, 3453 .attr = process_attr, 3454 .event_update = perf_event__process_event_update, 3455 .tracing_data = perf_event__process_tracing_data, 3456 .feature = process_feature_event, 3457 .build_id = perf_event__process_build_id, 3458 .id_index = perf_event__process_id_index, 3459 .auxtrace_info = perf_script__process_auxtrace_info, 3460 .auxtrace = perf_event__process_auxtrace, 3461 .auxtrace_error = perf_event__process_auxtrace_error, 3462 .stat = perf_event__process_stat_event, 3463 .stat_round = process_stat_round_event, 3464 .stat_config = process_stat_config_event, 3465 .thread_map = process_thread_map_event, 3466 .cpu_map = process_cpu_map_event, 3467 .ordered_events = true, 3468 .ordering_requires_timestamps = true, 3469 }, 3470 }; 3471 struct perf_data data = { 3472 .mode = PERF_DATA_MODE_READ, 3473 }; 3474 const struct option options[] = { 3475 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 3476 "dump raw trace in ASCII"), 3477 OPT_INCR('v', "verbose", &verbose, 3478 "be more verbose (show symbol address, etc)"), 3479 OPT_BOOLEAN('L', "Latency", &latency_format, 3480 "show latency attributes (irqs/preemption disabled, etc)"), 3481 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", 3482 list_available_scripts), 3483 OPT_CALLBACK('s', "script", NULL, "name", 3484 "script file name (lang:script name, script name, or *)", 3485 parse_scriptname), 3486 OPT_STRING('g', "gen-script", &generate_script_lang, "lang", 3487 "generate perf-script.xx script in specified language"), 3488 OPT_STRING('i', "input", &input_name, "file", "input file name"), 3489 OPT_BOOLEAN('d', "debug-mode", &debug_mode, 3490 "do various checks like samples ordering and lost events"), 3491 OPT_BOOLEAN(0, "header", &header, "Show data header."), 3492 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."), 3493 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 3494 "file", "vmlinux pathname"), 3495 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 3496 "file", "kallsyms pathname"), 3497 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, 3498 "When printing symbols do not display call chain"), 3499 OPT_CALLBACK(0, "symfs", NULL, "directory", 3500 "Look for files with symbols relative to this directory", 3501 symbol__config_symfs), 3502 OPT_CALLBACK('F', "fields", NULL, "str", 3503 "comma separated output fields prepend with 'type:'. " 3504 "+field to add and -field to remove." 3505 "Valid types: hw,sw,trace,raw,synth. " 3506 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso," 3507 "addr,symoff,srcline,period,iregs,uregs,brstack," 3508 "brstacksym,flags,bpf-output,brstackinsn,brstackoff," 3509 "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc,tod", 3510 parse_output_fields), 3511 OPT_BOOLEAN('a', "all-cpus", &system_wide, 3512 "system-wide collection from all CPUs"), 3513 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 3514 "only consider these symbols"), 3515 OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL, 3516 "Decode instructions from itrace", parse_insn_trace), 3517 OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL, 3518 "Run xed disassembler on output", parse_xed), 3519 OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL, 3520 "Decode calls from from itrace", parse_call_trace), 3521 OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL, 3522 "Decode calls and returns from itrace", parse_callret_trace), 3523 OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]", 3524 "Only print symbols and callees with --call-trace/--call-ret-trace"), 3525 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]", 3526 "Stop display of callgraph at these symbols"), 3527 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), 3528 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 3529 "only display events for these comms"), 3530 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 3531 "only consider symbols in these pids"), 3532 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 3533 "only consider symbols in these tids"), 3534 OPT_UINTEGER(0, "max-stack", &scripting_max_stack, 3535 "Set the maximum stack depth when parsing the callchain, " 3536 "anything beyond the specified depth will be ignored. " 3537 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 3538 OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"), 3539 OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"), 3540 OPT_BOOLEAN('I', "show-info", &show_full_info, 3541 "display extended information from perf.data file"), 3542 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, 3543 "Show the path of [kernel.kallsyms]"), 3544 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, 3545 "Show the fork/comm/exit events"), 3546 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, 3547 "Show the mmap events"), 3548 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events, 3549 "Show context switch events (if recorded)"), 3550 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events, 3551 "Show namespace events (if recorded)"), 3552 OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events, 3553 "Show cgroup events (if recorded)"), 3554 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events, 3555 "Show lost events (if recorded)"), 3556 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events, 3557 "Show round events (if recorded)"), 3558 OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events, 3559 "Show bpf related events (if recorded)"), 3560 OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events, 3561 "Show text poke related events (if recorded)"), 3562 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump, 3563 "Dump trace output to files named by the monitored events"), 3564 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 3565 OPT_INTEGER(0, "max-blocks", &max_blocks, 3566 "Maximum number of code blocks to dump with brstackinsn"), 3567 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, 3568 "Use 9 decimal places when displaying time"), 3569 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 3570 "Instruction Tracing options\n" ITRACE_HELP, 3571 itrace_parse_synth_opts), 3572 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 3573 "Show full source file name path for source lines"), 3574 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 3575 "Enable symbol demangling"), 3576 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 3577 "Enable kernel symbol demangling"), 3578 OPT_STRING(0, "time", &script.time_str, "str", 3579 "Time span of interest (start,stop)"), 3580 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 3581 "Show inline function"), 3582 OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory", 3583 "guest mount directory under which every guest os" 3584 " instance has a subdir"), 3585 OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name, 3586 "file", "file saving guest os vmlinux"), 3587 OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms, 3588 "file", "file saving guest os /proc/kallsyms"), 3589 OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules, 3590 "file", "file saving guest os /proc/modules"), 3591 OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr, 3592 "Enable LBR callgraph stitching approach"), 3593 OPTS_EVSWITCH(&script.evswitch), 3594 OPT_END() 3595 }; 3596 const char * const script_subcommands[] = { "record", "report", NULL }; 3597 const char *script_usage[] = { 3598 "perf script [<options>]", 3599 "perf script [<options>] record <script> [<record-options>] <command>", 3600 "perf script [<options>] report <script> [script-args]", 3601 "perf script [<options>] <script> [<record-options>] <command>", 3602 "perf script [<options>] <top-script> [script-args]", 3603 NULL 3604 }; 3605 3606 perf_set_singlethreaded(); 3607 3608 setup_scripting(); 3609 3610 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage, 3611 PARSE_OPT_STOP_AT_NON_OPTION); 3612 3613 if (symbol_conf.guestmount || 3614 symbol_conf.default_guest_vmlinux_name || 3615 symbol_conf.default_guest_kallsyms || 3616 symbol_conf.default_guest_modules) { 3617 /* 3618 * Enable guest sample processing. 3619 */ 3620 perf_guest = true; 3621 } 3622 3623 data.path = input_name; 3624 data.force = symbol_conf.force; 3625 3626 if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) { 3627 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); 3628 if (!rec_script_path) 3629 return cmd_record(argc, argv); 3630 } 3631 3632 if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) { 3633 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); 3634 if (!rep_script_path) { 3635 fprintf(stderr, 3636 "Please specify a valid report script" 3637 "(see 'perf script -l' for listing)\n"); 3638 return -1; 3639 } 3640 } 3641 3642 if (reltime && deltatime) { 3643 fprintf(stderr, 3644 "reltime and deltatime - the two don't get along well. " 3645 "Please limit to --reltime or --deltatime.\n"); 3646 return -1; 3647 } 3648 3649 if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) && 3650 itrace_synth_opts.callchain_sz > scripting_max_stack) 3651 scripting_max_stack = itrace_synth_opts.callchain_sz; 3652 3653 /* make sure PERF_EXEC_PATH is set for scripts */ 3654 set_argv_exec_path(get_argv_exec_path()); 3655 3656 if (argc && !script_name && !rec_script_path && !rep_script_path) { 3657 int live_pipe[2]; 3658 int rep_args; 3659 pid_t pid; 3660 3661 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); 3662 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); 3663 3664 if (!rec_script_path && !rep_script_path) { 3665 usage_with_options_msg(script_usage, options, 3666 "Couldn't find script `%s'\n\n See perf" 3667 " script -l for available scripts.\n", argv[0]); 3668 } 3669 3670 if (is_top_script(argv[0])) { 3671 rep_args = argc - 1; 3672 } else { 3673 int rec_args; 3674 3675 rep_args = has_required_arg(rep_script_path); 3676 rec_args = (argc - 1) - rep_args; 3677 if (rec_args < 0) { 3678 usage_with_options_msg(script_usage, options, 3679 "`%s' script requires options." 3680 "\n\n See perf script -l for available " 3681 "scripts and options.\n", argv[0]); 3682 } 3683 } 3684 3685 if (pipe(live_pipe) < 0) { 3686 perror("failed to create pipe"); 3687 return -1; 3688 } 3689 3690 pid = fork(); 3691 if (pid < 0) { 3692 perror("failed to fork"); 3693 return -1; 3694 } 3695 3696 if (!pid) { 3697 j = 0; 3698 3699 dup2(live_pipe[1], 1); 3700 close(live_pipe[0]); 3701 3702 if (is_top_script(argv[0])) { 3703 system_wide = true; 3704 } else if (!system_wide) { 3705 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { 3706 err = -1; 3707 goto out; 3708 } 3709 } 3710 3711 __argv = malloc((argc + 6) * sizeof(const char *)); 3712 if (!__argv) { 3713 pr_err("malloc failed\n"); 3714 err = -ENOMEM; 3715 goto out; 3716 } 3717 3718 __argv[j++] = "/bin/sh"; 3719 __argv[j++] = rec_script_path; 3720 if (system_wide) 3721 __argv[j++] = "-a"; 3722 __argv[j++] = "-q"; 3723 __argv[j++] = "-o"; 3724 __argv[j++] = "-"; 3725 for (i = rep_args + 1; i < argc; i++) 3726 __argv[j++] = argv[i]; 3727 __argv[j++] = NULL; 3728 3729 execvp("/bin/sh", (char **)__argv); 3730 free(__argv); 3731 exit(-1); 3732 } 3733 3734 dup2(live_pipe[0], 0); 3735 close(live_pipe[1]); 3736 3737 __argv = malloc((argc + 4) * sizeof(const char *)); 3738 if (!__argv) { 3739 pr_err("malloc failed\n"); 3740 err = -ENOMEM; 3741 goto out; 3742 } 3743 3744 j = 0; 3745 __argv[j++] = "/bin/sh"; 3746 __argv[j++] = rep_script_path; 3747 for (i = 1; i < rep_args + 1; i++) 3748 __argv[j++] = argv[i]; 3749 __argv[j++] = "-i"; 3750 __argv[j++] = "-"; 3751 __argv[j++] = NULL; 3752 3753 execvp("/bin/sh", (char **)__argv); 3754 free(__argv); 3755 exit(-1); 3756 } 3757 3758 if (rec_script_path) 3759 script_path = rec_script_path; 3760 if (rep_script_path) 3761 script_path = rep_script_path; 3762 3763 if (script_path) { 3764 j = 0; 3765 3766 if (!rec_script_path) 3767 system_wide = false; 3768 else if (!system_wide) { 3769 if (have_cmd(argc - 1, &argv[1]) != 0) { 3770 err = -1; 3771 goto out; 3772 } 3773 } 3774 3775 __argv = malloc((argc + 2) * sizeof(const char *)); 3776 if (!__argv) { 3777 pr_err("malloc failed\n"); 3778 err = -ENOMEM; 3779 goto out; 3780 } 3781 3782 __argv[j++] = "/bin/sh"; 3783 __argv[j++] = script_path; 3784 if (system_wide) 3785 __argv[j++] = "-a"; 3786 for (i = 2; i < argc; i++) 3787 __argv[j++] = argv[i]; 3788 __argv[j++] = NULL; 3789 3790 execvp("/bin/sh", (char **)__argv); 3791 free(__argv); 3792 exit(-1); 3793 } 3794 3795 if (!script_name) { 3796 setup_pager(); 3797 use_browser = 0; 3798 } 3799 3800 session = perf_session__new(&data, false, &script.tool); 3801 if (IS_ERR(session)) 3802 return PTR_ERR(session); 3803 3804 if (header || header_only) { 3805 script.tool.show_feat_hdr = SHOW_FEAT_HEADER; 3806 perf_session__fprintf_info(session, stdout, show_full_info); 3807 if (header_only) 3808 goto out_delete; 3809 } 3810 if (show_full_info) 3811 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 3812 3813 if (symbol__init(&session->header.env) < 0) 3814 goto out_delete; 3815 3816 uname(&uts); 3817 if (data.is_pipe || /* assume pipe_mode indicates native_arch */ 3818 !strcmp(uts.machine, session->header.env.arch) || 3819 (!strcmp(uts.machine, "x86_64") && 3820 !strcmp(session->header.env.arch, "i386"))) 3821 native_arch = true; 3822 3823 script.session = session; 3824 script__setup_sample_type(&script); 3825 3826 if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) || 3827 symbol_conf.graph_function) 3828 itrace_synth_opts.thread_stack = true; 3829 3830 session->itrace_synth_opts = &itrace_synth_opts; 3831 3832 if (cpu_list) { 3833 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap); 3834 if (err < 0) 3835 goto out_delete; 3836 itrace_synth_opts.cpu_bitmap = cpu_bitmap; 3837 } 3838 3839 if (!no_callchain) 3840 symbol_conf.use_callchain = true; 3841 else 3842 symbol_conf.use_callchain = false; 3843 3844 if (session->tevent.pevent && 3845 tep_set_function_resolver(session->tevent.pevent, 3846 machine__resolve_kernel_addr, 3847 &session->machines.host) < 0) { 3848 pr_err("%s: failed to set libtraceevent function resolver\n", __func__); 3849 err = -1; 3850 goto out_delete; 3851 } 3852 3853 if (generate_script_lang) { 3854 struct stat perf_stat; 3855 int input; 3856 3857 if (output_set_by_user()) { 3858 fprintf(stderr, 3859 "custom fields not supported for generated scripts"); 3860 err = -EINVAL; 3861 goto out_delete; 3862 } 3863 3864 input = open(data.path, O_RDONLY); /* input_name */ 3865 if (input < 0) { 3866 err = -errno; 3867 perror("failed to open file"); 3868 goto out_delete; 3869 } 3870 3871 err = fstat(input, &perf_stat); 3872 if (err < 0) { 3873 perror("failed to stat file"); 3874 goto out_delete; 3875 } 3876 3877 if (!perf_stat.st_size) { 3878 fprintf(stderr, "zero-sized file, nothing to do!\n"); 3879 goto out_delete; 3880 } 3881 3882 scripting_ops = script_spec__lookup(generate_script_lang); 3883 if (!scripting_ops) { 3884 fprintf(stderr, "invalid language specifier"); 3885 err = -ENOENT; 3886 goto out_delete; 3887 } 3888 3889 err = scripting_ops->generate_script(session->tevent.pevent, 3890 "perf-script"); 3891 goto out_delete; 3892 } 3893 3894 if (script_name) { 3895 err = scripting_ops->start_script(script_name, argc, argv); 3896 if (err) 3897 goto out_delete; 3898 pr_debug("perf script started with script %s\n\n", script_name); 3899 script_started = true; 3900 } 3901 3902 3903 err = perf_session__check_output_opt(session); 3904 if (err < 0) 3905 goto out_delete; 3906 3907 if (script.time_str) { 3908 err = perf_time__parse_for_ranges_reltime(script.time_str, session, 3909 &script.ptime_range, 3910 &script.range_size, 3911 &script.range_num, 3912 reltime); 3913 if (err < 0) 3914 goto out_delete; 3915 3916 itrace_synth_opts__set_time_range(&itrace_synth_opts, 3917 script.ptime_range, 3918 script.range_num); 3919 } 3920 3921 err = evswitch__init(&script.evswitch, session->evlist, stderr); 3922 if (err) 3923 goto out_delete; 3924 3925 if (zstd_init(&(session->zstd_data), 0) < 0) 3926 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n"); 3927 3928 err = __cmd_script(&script); 3929 3930 flush_scripting(); 3931 3932 out_delete: 3933 if (script.ptime_range) { 3934 itrace_synth_opts__clear_time_range(&itrace_synth_opts); 3935 zfree(&script.ptime_range); 3936 } 3937 3938 perf_evlist__free_stats(session->evlist); 3939 perf_session__delete(session); 3940 3941 if (script_started) 3942 cleanup_scripting(); 3943 out: 3944 return err; 3945 } 3946