1 // SPDX-License-Identifier: GPL-2.0 2 #include "builtin.h" 3 4 #include "util/counts.h" 5 #include "util/debug.h" 6 #include "util/dso.h" 7 #include <subcmd/exec-cmd.h> 8 #include "util/header.h" 9 #include <subcmd/parse-options.h> 10 #include "util/perf_regs.h" 11 #include "util/session.h" 12 #include "util/tool.h" 13 #include "util/map.h" 14 #include "util/srcline.h" 15 #include "util/symbol.h" 16 #include "util/thread.h" 17 #include "util/trace-event.h" 18 #include "util/evlist.h" 19 #include "util/evsel.h" 20 #include "util/evsel_fprintf.h" 21 #include "util/evswitch.h" 22 #include "util/sort.h" 23 #include "util/data.h" 24 #include "util/auxtrace.h" 25 #include "util/cpumap.h" 26 #include "util/thread_map.h" 27 #include "util/stat.h" 28 #include "util/color.h" 29 #include "util/string2.h" 30 #include "util/thread-stack.h" 31 #include "util/time-utils.h" 32 #include "util/path.h" 33 #include "util/event.h" 34 #include "ui/ui.h" 35 #include "print_binary.h" 36 #include "archinsn.h" 37 #include <linux/bitmap.h> 38 #include <linux/kernel.h> 39 #include <linux/stringify.h> 40 #include <linux/time64.h> 41 #include <linux/zalloc.h> 42 #include <sys/utsname.h> 43 #include "asm/bug.h" 44 #include "util/mem-events.h" 45 #include "util/dump-insn.h" 46 #include <dirent.h> 47 #include <errno.h> 48 #include <inttypes.h> 49 #include <signal.h> 50 #include <sys/param.h> 51 #include <sys/types.h> 52 #include <sys/stat.h> 53 #include <fcntl.h> 54 #include <unistd.h> 55 #include <subcmd/pager.h> 56 #include <perf/evlist.h> 57 #include <linux/err.h> 58 #include "util/dlfilter.h" 59 #include "util/record.h" 60 #include "util/util.h" 61 #include "perf.h" 62 63 #include <linux/ctype.h> 64 65 static char const *script_name; 66 static char const *generate_script_lang; 67 static bool reltime; 68 static bool deltatime; 69 static u64 initial_time; 70 static u64 previous_time; 71 static bool debug_mode; 72 static u64 last_timestamp; 73 static u64 nr_unordered; 74 static bool no_callchain; 75 static bool latency_format; 76 static bool system_wide; 77 static bool print_flags; 78 static const char *cpu_list; 79 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); 80 static struct perf_stat_config stat_config; 81 static int max_blocks; 82 static bool native_arch; 83 static struct dlfilter *dlfilter; 84 static int dlargc; 85 static char **dlargv; 86 87 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH; 88 89 enum perf_output_field { 90 PERF_OUTPUT_COMM = 1ULL << 0, 91 PERF_OUTPUT_TID = 1ULL << 1, 92 PERF_OUTPUT_PID = 1ULL << 2, 93 PERF_OUTPUT_TIME = 1ULL << 3, 94 PERF_OUTPUT_CPU = 1ULL << 4, 95 PERF_OUTPUT_EVNAME = 1ULL << 5, 96 PERF_OUTPUT_TRACE = 1ULL << 6, 97 PERF_OUTPUT_IP = 1ULL << 7, 98 PERF_OUTPUT_SYM = 1ULL << 8, 99 PERF_OUTPUT_DSO = 1ULL << 9, 100 PERF_OUTPUT_ADDR = 1ULL << 10, 101 PERF_OUTPUT_SYMOFFSET = 1ULL << 11, 102 PERF_OUTPUT_SRCLINE = 1ULL << 12, 103 PERF_OUTPUT_PERIOD = 1ULL << 13, 104 PERF_OUTPUT_IREGS = 1ULL << 14, 105 PERF_OUTPUT_BRSTACK = 1ULL << 15, 106 PERF_OUTPUT_BRSTACKSYM = 1ULL << 16, 107 PERF_OUTPUT_DATA_SRC = 1ULL << 17, 108 PERF_OUTPUT_WEIGHT = 1ULL << 18, 109 PERF_OUTPUT_BPF_OUTPUT = 1ULL << 19, 110 PERF_OUTPUT_CALLINDENT = 1ULL << 20, 111 PERF_OUTPUT_INSN = 1ULL << 21, 112 PERF_OUTPUT_INSNLEN = 1ULL << 22, 113 PERF_OUTPUT_BRSTACKINSN = 1ULL << 23, 114 PERF_OUTPUT_BRSTACKOFF = 1ULL << 24, 115 PERF_OUTPUT_SYNTH = 1ULL << 25, 116 PERF_OUTPUT_PHYS_ADDR = 1ULL << 26, 117 PERF_OUTPUT_UREGS = 1ULL << 27, 118 PERF_OUTPUT_METRIC = 1ULL << 28, 119 PERF_OUTPUT_MISC = 1ULL << 29, 120 PERF_OUTPUT_SRCCODE = 1ULL << 30, 121 PERF_OUTPUT_IPC = 1ULL << 31, 122 PERF_OUTPUT_TOD = 1ULL << 32, 123 PERF_OUTPUT_DATA_PAGE_SIZE = 1ULL << 33, 124 PERF_OUTPUT_CODE_PAGE_SIZE = 1ULL << 34, 125 }; 126 127 struct perf_script { 128 struct perf_tool tool; 129 struct perf_session *session; 130 bool show_task_events; 131 bool show_mmap_events; 132 bool show_switch_events; 133 bool show_namespace_events; 134 bool show_lost_events; 135 bool show_round_events; 136 bool show_bpf_events; 137 bool show_cgroup_events; 138 bool show_text_poke_events; 139 bool allocated; 140 bool per_event_dump; 141 bool stitch_lbr; 142 struct evswitch evswitch; 143 struct perf_cpu_map *cpus; 144 struct perf_thread_map *threads; 145 int name_width; 146 const char *time_str; 147 struct perf_time_interval *ptime_range; 148 int range_size; 149 int range_num; 150 }; 151 152 struct output_option { 153 const char *str; 154 enum perf_output_field field; 155 } all_output_options[] = { 156 {.str = "comm", .field = PERF_OUTPUT_COMM}, 157 {.str = "tid", .field = PERF_OUTPUT_TID}, 158 {.str = "pid", .field = PERF_OUTPUT_PID}, 159 {.str = "time", .field = PERF_OUTPUT_TIME}, 160 {.str = "cpu", .field = PERF_OUTPUT_CPU}, 161 {.str = "event", .field = PERF_OUTPUT_EVNAME}, 162 {.str = "trace", .field = PERF_OUTPUT_TRACE}, 163 {.str = "ip", .field = PERF_OUTPUT_IP}, 164 {.str = "sym", .field = PERF_OUTPUT_SYM}, 165 {.str = "dso", .field = PERF_OUTPUT_DSO}, 166 {.str = "addr", .field = PERF_OUTPUT_ADDR}, 167 {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET}, 168 {.str = "srcline", .field = PERF_OUTPUT_SRCLINE}, 169 {.str = "period", .field = PERF_OUTPUT_PERIOD}, 170 {.str = "iregs", .field = PERF_OUTPUT_IREGS}, 171 {.str = "uregs", .field = PERF_OUTPUT_UREGS}, 172 {.str = "brstack", .field = PERF_OUTPUT_BRSTACK}, 173 {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM}, 174 {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC}, 175 {.str = "weight", .field = PERF_OUTPUT_WEIGHT}, 176 {.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT}, 177 {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT}, 178 {.str = "insn", .field = PERF_OUTPUT_INSN}, 179 {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN}, 180 {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN}, 181 {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF}, 182 {.str = "synth", .field = PERF_OUTPUT_SYNTH}, 183 {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR}, 184 {.str = "metric", .field = PERF_OUTPUT_METRIC}, 185 {.str = "misc", .field = PERF_OUTPUT_MISC}, 186 {.str = "srccode", .field = PERF_OUTPUT_SRCCODE}, 187 {.str = "ipc", .field = PERF_OUTPUT_IPC}, 188 {.str = "tod", .field = PERF_OUTPUT_TOD}, 189 {.str = "data_page_size", .field = PERF_OUTPUT_DATA_PAGE_SIZE}, 190 {.str = "code_page_size", .field = PERF_OUTPUT_CODE_PAGE_SIZE}, 191 }; 192 193 enum { 194 OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX, 195 OUTPUT_TYPE_OTHER, 196 OUTPUT_TYPE_MAX 197 }; 198 199 /* default set to maintain compatibility with current format */ 200 static struct { 201 bool user_set; 202 bool wildcard_set; 203 unsigned int print_ip_opts; 204 u64 fields; 205 u64 invalid_fields; 206 u64 user_set_fields; 207 u64 user_unset_fields; 208 } output[OUTPUT_TYPE_MAX] = { 209 210 [PERF_TYPE_HARDWARE] = { 211 .user_set = false, 212 213 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 214 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 215 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 216 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 217 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 218 219 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 220 }, 221 222 [PERF_TYPE_SOFTWARE] = { 223 .user_set = false, 224 225 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 226 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 227 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 228 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 229 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 230 PERF_OUTPUT_BPF_OUTPUT, 231 232 .invalid_fields = PERF_OUTPUT_TRACE, 233 }, 234 235 [PERF_TYPE_TRACEPOINT] = { 236 .user_set = false, 237 238 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 239 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 240 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE 241 }, 242 243 [PERF_TYPE_HW_CACHE] = { 244 .user_set = false, 245 246 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 247 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 248 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 249 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 250 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 251 252 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 253 }, 254 255 [PERF_TYPE_RAW] = { 256 .user_set = false, 257 258 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 259 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 260 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 261 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 262 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 263 PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC | 264 PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR | 265 PERF_OUTPUT_DATA_PAGE_SIZE | PERF_OUTPUT_CODE_PAGE_SIZE, 266 267 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 268 }, 269 270 [PERF_TYPE_BREAKPOINT] = { 271 .user_set = false, 272 273 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 274 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 275 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 276 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 277 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 278 279 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 280 }, 281 282 [OUTPUT_TYPE_SYNTH] = { 283 .user_set = false, 284 285 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 286 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 287 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 288 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 289 PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH, 290 291 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 292 }, 293 294 [OUTPUT_TYPE_OTHER] = { 295 .user_set = false, 296 297 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 298 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 299 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 300 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 301 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 302 303 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 304 }, 305 }; 306 307 struct evsel_script { 308 char *filename; 309 FILE *fp; 310 u64 samples; 311 /* For metric output */ 312 u64 val; 313 int gnum; 314 }; 315 316 static inline struct evsel_script *evsel_script(struct evsel *evsel) 317 { 318 return (struct evsel_script *)evsel->priv; 319 } 320 321 static struct evsel_script *evsel_script__new(struct evsel *evsel, struct perf_data *data) 322 { 323 struct evsel_script *es = zalloc(sizeof(*es)); 324 325 if (es != NULL) { 326 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0) 327 goto out_free; 328 es->fp = fopen(es->filename, "w"); 329 if (es->fp == NULL) 330 goto out_free_filename; 331 } 332 333 return es; 334 out_free_filename: 335 zfree(&es->filename); 336 out_free: 337 free(es); 338 return NULL; 339 } 340 341 static void evsel_script__delete(struct evsel_script *es) 342 { 343 zfree(&es->filename); 344 fclose(es->fp); 345 es->fp = NULL; 346 free(es); 347 } 348 349 static int evsel_script__fprintf(struct evsel_script *es, FILE *fp) 350 { 351 struct stat st; 352 353 fstat(fileno(es->fp), &st); 354 return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n", 355 st.st_size / 1024.0 / 1024.0, es->filename, es->samples); 356 } 357 358 static inline int output_type(unsigned int type) 359 { 360 switch (type) { 361 case PERF_TYPE_SYNTH: 362 return OUTPUT_TYPE_SYNTH; 363 default: 364 if (type < PERF_TYPE_MAX) 365 return type; 366 } 367 368 return OUTPUT_TYPE_OTHER; 369 } 370 371 static bool output_set_by_user(void) 372 { 373 int j; 374 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 375 if (output[j].user_set) 376 return true; 377 } 378 return false; 379 } 380 381 static const char *output_field2str(enum perf_output_field field) 382 { 383 int i, imax = ARRAY_SIZE(all_output_options); 384 const char *str = ""; 385 386 for (i = 0; i < imax; ++i) { 387 if (all_output_options[i].field == field) { 388 str = all_output_options[i].str; 389 break; 390 } 391 } 392 return str; 393 } 394 395 #define PRINT_FIELD(x) (output[output_type(attr->type)].fields & PERF_OUTPUT_##x) 396 397 static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg, 398 enum perf_output_field field, bool allow_user_set) 399 { 400 struct perf_event_attr *attr = &evsel->core.attr; 401 int type = output_type(attr->type); 402 const char *evname; 403 404 if (attr->sample_type & sample_type) 405 return 0; 406 407 if (output[type].user_set_fields & field) { 408 if (allow_user_set) 409 return 0; 410 evname = evsel__name(evsel); 411 pr_err("Samples for '%s' event do not have %s attribute set. " 412 "Cannot print '%s' field.\n", 413 evname, sample_msg, output_field2str(field)); 414 return -1; 415 } 416 417 /* user did not ask for it explicitly so remove from the default list */ 418 output[type].fields &= ~field; 419 evname = evsel__name(evsel); 420 pr_debug("Samples for '%s' event do not have %s attribute set. " 421 "Skipping '%s' field.\n", 422 evname, sample_msg, output_field2str(field)); 423 424 return 0; 425 } 426 427 static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg, 428 enum perf_output_field field) 429 { 430 return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false); 431 } 432 433 static int evsel__check_attr(struct evsel *evsel, struct perf_session *session) 434 { 435 struct perf_event_attr *attr = &evsel->core.attr; 436 bool allow_user_set; 437 438 if (perf_header__has_feat(&session->header, HEADER_STAT)) 439 return 0; 440 441 allow_user_set = perf_header__has_feat(&session->header, 442 HEADER_AUXTRACE); 443 444 if (PRINT_FIELD(TRACE) && 445 !perf_session__has_traces(session, "record -R")) 446 return -EINVAL; 447 448 if (PRINT_FIELD(IP)) { 449 if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP)) 450 return -EINVAL; 451 } 452 453 if (PRINT_FIELD(ADDR) && 454 evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set)) 455 return -EINVAL; 456 457 if (PRINT_FIELD(DATA_SRC) && 458 evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC)) 459 return -EINVAL; 460 461 if (PRINT_FIELD(WEIGHT) && 462 evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT", PERF_OUTPUT_WEIGHT)) 463 return -EINVAL; 464 465 if (PRINT_FIELD(SYM) && 466 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 467 pr_err("Display of symbols requested but neither sample IP nor " 468 "sample address\navailable. Hence, no addresses to convert " 469 "to symbols.\n"); 470 return -EINVAL; 471 } 472 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) { 473 pr_err("Display of offsets requested but symbol is not" 474 "selected.\n"); 475 return -EINVAL; 476 } 477 if (PRINT_FIELD(DSO) && 478 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 479 pr_err("Display of DSO requested but no address to convert.\n"); 480 return -EINVAL; 481 } 482 if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) { 483 pr_err("Display of source line number requested but sample IP is not\n" 484 "selected. Hence, no address to lookup the source line number.\n"); 485 return -EINVAL; 486 } 487 if (PRINT_FIELD(BRSTACKINSN) && !allow_user_set && 488 !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) { 489 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n" 490 "Hint: run 'perf record -b ...'\n"); 491 return -EINVAL; 492 } 493 if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) && 494 evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID)) 495 return -EINVAL; 496 497 if (PRINT_FIELD(TIME) && 498 evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME)) 499 return -EINVAL; 500 501 if (PRINT_FIELD(CPU) && 502 evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set)) 503 return -EINVAL; 504 505 if (PRINT_FIELD(IREGS) && 506 evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set)) 507 return -EINVAL; 508 509 if (PRINT_FIELD(UREGS) && 510 evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS)) 511 return -EINVAL; 512 513 if (PRINT_FIELD(PHYS_ADDR) && 514 evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR)) 515 return -EINVAL; 516 517 if (PRINT_FIELD(DATA_PAGE_SIZE) && 518 evsel__check_stype(evsel, PERF_SAMPLE_DATA_PAGE_SIZE, "DATA_PAGE_SIZE", PERF_OUTPUT_DATA_PAGE_SIZE)) 519 return -EINVAL; 520 521 if (PRINT_FIELD(CODE_PAGE_SIZE) && 522 evsel__check_stype(evsel, PERF_SAMPLE_CODE_PAGE_SIZE, "CODE_PAGE_SIZE", PERF_OUTPUT_CODE_PAGE_SIZE)) 523 return -EINVAL; 524 525 return 0; 526 } 527 528 static void set_print_ip_opts(struct perf_event_attr *attr) 529 { 530 unsigned int type = output_type(attr->type); 531 532 output[type].print_ip_opts = 0; 533 if (PRINT_FIELD(IP)) 534 output[type].print_ip_opts |= EVSEL__PRINT_IP; 535 536 if (PRINT_FIELD(SYM)) 537 output[type].print_ip_opts |= EVSEL__PRINT_SYM; 538 539 if (PRINT_FIELD(DSO)) 540 output[type].print_ip_opts |= EVSEL__PRINT_DSO; 541 542 if (PRINT_FIELD(SYMOFFSET)) 543 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET; 544 545 if (PRINT_FIELD(SRCLINE)) 546 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE; 547 } 548 549 static struct evsel *find_first_output_type(struct evlist *evlist, 550 unsigned int type) 551 { 552 struct evsel *evsel; 553 554 evlist__for_each_entry(evlist, evsel) { 555 if (output_type(evsel->core.attr.type) == (int)type) 556 return evsel; 557 } 558 return NULL; 559 } 560 561 /* 562 * verify all user requested events exist and the samples 563 * have the expected data 564 */ 565 static int perf_session__check_output_opt(struct perf_session *session) 566 { 567 bool tod = false; 568 unsigned int j; 569 struct evsel *evsel; 570 571 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 572 evsel = find_first_output_type(session->evlist, j); 573 574 /* 575 * even if fields is set to 0 (ie., show nothing) event must 576 * exist if user explicitly includes it on the command line 577 */ 578 if (!evsel && output[j].user_set && !output[j].wildcard_set && 579 j != OUTPUT_TYPE_SYNTH) { 580 pr_err("%s events do not exist. " 581 "Remove corresponding -F option to proceed.\n", 582 event_type(j)); 583 return -1; 584 } 585 586 if (evsel && output[j].fields && 587 evsel__check_attr(evsel, session)) 588 return -1; 589 590 if (evsel == NULL) 591 continue; 592 593 set_print_ip_opts(&evsel->core.attr); 594 tod |= output[j].fields & PERF_OUTPUT_TOD; 595 } 596 597 if (!no_callchain) { 598 bool use_callchain = false; 599 bool not_pipe = false; 600 601 evlist__for_each_entry(session->evlist, evsel) { 602 not_pipe = true; 603 if (evsel__has_callchain(evsel)) { 604 use_callchain = true; 605 break; 606 } 607 } 608 if (not_pipe && !use_callchain) 609 symbol_conf.use_callchain = false; 610 } 611 612 /* 613 * set default for tracepoints to print symbols only 614 * if callchains are present 615 */ 616 if (symbol_conf.use_callchain && 617 !output[PERF_TYPE_TRACEPOINT].user_set) { 618 j = PERF_TYPE_TRACEPOINT; 619 620 evlist__for_each_entry(session->evlist, evsel) { 621 if (evsel->core.attr.type != j) 622 continue; 623 624 if (evsel__has_callchain(evsel)) { 625 output[j].fields |= PERF_OUTPUT_IP; 626 output[j].fields |= PERF_OUTPUT_SYM; 627 output[j].fields |= PERF_OUTPUT_SYMOFFSET; 628 output[j].fields |= PERF_OUTPUT_DSO; 629 set_print_ip_opts(&evsel->core.attr); 630 goto out; 631 } 632 } 633 } 634 635 if (tod && !session->header.env.clock.enabled) { 636 pr_err("Can't provide 'tod' time, missing clock data. " 637 "Please record with -k/--clockid option.\n"); 638 return -1; 639 } 640 out: 641 return 0; 642 } 643 644 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask, 645 FILE *fp) 646 { 647 unsigned i = 0, r; 648 int printed = 0; 649 650 if (!regs || !regs->regs) 651 return 0; 652 653 printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi); 654 655 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) { 656 u64 val = regs->regs[i++]; 657 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val); 658 } 659 660 return printed; 661 } 662 663 #define DEFAULT_TOD_FMT "%F %H:%M:%S" 664 665 static char* 666 tod_scnprintf(struct perf_script *script, char *buf, int buflen, 667 u64 timestamp) 668 { 669 u64 tod_ns, clockid_ns; 670 struct perf_env *env; 671 unsigned long nsec; 672 struct tm ltime; 673 char date[64]; 674 time_t sec; 675 676 buf[0] = '\0'; 677 if (buflen < 64 || !script) 678 return buf; 679 680 env = &script->session->header.env; 681 if (!env->clock.enabled) { 682 scnprintf(buf, buflen, "disabled"); 683 return buf; 684 } 685 686 clockid_ns = env->clock.clockid_ns; 687 tod_ns = env->clock.tod_ns; 688 689 if (timestamp > clockid_ns) 690 tod_ns += timestamp - clockid_ns; 691 else 692 tod_ns -= clockid_ns - timestamp; 693 694 sec = (time_t) (tod_ns / NSEC_PER_SEC); 695 nsec = tod_ns - sec * NSEC_PER_SEC; 696 697 if (localtime_r(&sec, <ime) == NULL) { 698 scnprintf(buf, buflen, "failed"); 699 } else { 700 strftime(date, sizeof(date), DEFAULT_TOD_FMT, <ime); 701 702 if (symbol_conf.nanosecs) { 703 snprintf(buf, buflen, "%s.%09lu", date, nsec); 704 } else { 705 snprintf(buf, buflen, "%s.%06lu", 706 date, nsec / NSEC_PER_USEC); 707 } 708 } 709 710 return buf; 711 } 712 713 static int perf_sample__fprintf_iregs(struct perf_sample *sample, 714 struct perf_event_attr *attr, FILE *fp) 715 { 716 return perf_sample__fprintf_regs(&sample->intr_regs, 717 attr->sample_regs_intr, fp); 718 } 719 720 static int perf_sample__fprintf_uregs(struct perf_sample *sample, 721 struct perf_event_attr *attr, FILE *fp) 722 { 723 return perf_sample__fprintf_regs(&sample->user_regs, 724 attr->sample_regs_user, fp); 725 } 726 727 static int perf_sample__fprintf_start(struct perf_script *script, 728 struct perf_sample *sample, 729 struct thread *thread, 730 struct evsel *evsel, 731 u32 type, FILE *fp) 732 { 733 struct perf_event_attr *attr = &evsel->core.attr; 734 unsigned long secs; 735 unsigned long long nsecs; 736 int printed = 0; 737 char tstr[128]; 738 739 if (PRINT_FIELD(COMM)) { 740 const char *comm = thread ? thread__comm_str(thread) : ":-1"; 741 742 if (latency_format) 743 printed += fprintf(fp, "%8.8s ", comm); 744 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain) 745 printed += fprintf(fp, "%s ", comm); 746 else 747 printed += fprintf(fp, "%16s ", comm); 748 } 749 750 if (PRINT_FIELD(PID) && PRINT_FIELD(TID)) 751 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid); 752 else if (PRINT_FIELD(PID)) 753 printed += fprintf(fp, "%5d ", sample->pid); 754 else if (PRINT_FIELD(TID)) 755 printed += fprintf(fp, "%5d ", sample->tid); 756 757 if (PRINT_FIELD(CPU)) { 758 if (latency_format) 759 printed += fprintf(fp, "%3d ", sample->cpu); 760 else 761 printed += fprintf(fp, "[%03d] ", sample->cpu); 762 } 763 764 if (PRINT_FIELD(MISC)) { 765 int ret = 0; 766 767 #define has(m) \ 768 (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m 769 770 if (has(KERNEL)) 771 ret += fprintf(fp, "K"); 772 if (has(USER)) 773 ret += fprintf(fp, "U"); 774 if (has(HYPERVISOR)) 775 ret += fprintf(fp, "H"); 776 if (has(GUEST_KERNEL)) 777 ret += fprintf(fp, "G"); 778 if (has(GUEST_USER)) 779 ret += fprintf(fp, "g"); 780 781 switch (type) { 782 case PERF_RECORD_MMAP: 783 case PERF_RECORD_MMAP2: 784 if (has(MMAP_DATA)) 785 ret += fprintf(fp, "M"); 786 break; 787 case PERF_RECORD_COMM: 788 if (has(COMM_EXEC)) 789 ret += fprintf(fp, "E"); 790 break; 791 case PERF_RECORD_SWITCH: 792 case PERF_RECORD_SWITCH_CPU_WIDE: 793 if (has(SWITCH_OUT)) { 794 ret += fprintf(fp, "S"); 795 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT) 796 ret += fprintf(fp, "p"); 797 } 798 default: 799 break; 800 } 801 802 #undef has 803 804 ret += fprintf(fp, "%*s", 6 - ret, " "); 805 printed += ret; 806 } 807 808 if (PRINT_FIELD(TOD)) { 809 tod_scnprintf(script, tstr, sizeof(tstr), sample->time); 810 printed += fprintf(fp, "%s ", tstr); 811 } 812 813 if (PRINT_FIELD(TIME)) { 814 u64 t = sample->time; 815 if (reltime) { 816 if (!initial_time) 817 initial_time = sample->time; 818 t = sample->time - initial_time; 819 } else if (deltatime) { 820 if (previous_time) 821 t = sample->time - previous_time; 822 else { 823 t = 0; 824 } 825 previous_time = sample->time; 826 } 827 nsecs = t; 828 secs = nsecs / NSEC_PER_SEC; 829 nsecs -= secs * NSEC_PER_SEC; 830 831 if (symbol_conf.nanosecs) 832 printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs); 833 else { 834 char sample_time[32]; 835 timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time)); 836 printed += fprintf(fp, "%12s: ", sample_time); 837 } 838 } 839 840 return printed; 841 } 842 843 static inline char 844 mispred_str(struct branch_entry *br) 845 { 846 if (!(br->flags.mispred || br->flags.predicted)) 847 return '-'; 848 849 return br->flags.predicted ? 'P' : 'M'; 850 } 851 852 static int perf_sample__fprintf_brstack(struct perf_sample *sample, 853 struct thread *thread, 854 struct perf_event_attr *attr, FILE *fp) 855 { 856 struct branch_stack *br = sample->branch_stack; 857 struct branch_entry *entries = perf_sample__branch_entries(sample); 858 struct addr_location alf, alt; 859 u64 i, from, to; 860 int printed = 0; 861 862 if (!(br && br->nr)) 863 return 0; 864 865 for (i = 0; i < br->nr; i++) { 866 from = entries[i].from; 867 to = entries[i].to; 868 869 if (PRINT_FIELD(DSO)) { 870 memset(&alf, 0, sizeof(alf)); 871 memset(&alt, 0, sizeof(alt)); 872 thread__find_map_fb(thread, sample->cpumode, from, &alf); 873 thread__find_map_fb(thread, sample->cpumode, to, &alt); 874 } 875 876 printed += fprintf(fp, " 0x%"PRIx64, from); 877 if (PRINT_FIELD(DSO)) { 878 printed += fprintf(fp, "("); 879 printed += map__fprintf_dsoname(alf.map, fp); 880 printed += fprintf(fp, ")"); 881 } 882 883 printed += fprintf(fp, "/0x%"PRIx64, to); 884 if (PRINT_FIELD(DSO)) { 885 printed += fprintf(fp, "("); 886 printed += map__fprintf_dsoname(alt.map, fp); 887 printed += fprintf(fp, ")"); 888 } 889 890 printed += fprintf(fp, "/%c/%c/%c/%d ", 891 mispred_str(entries + i), 892 entries[i].flags.in_tx ? 'X' : '-', 893 entries[i].flags.abort ? 'A' : '-', 894 entries[i].flags.cycles); 895 } 896 897 return printed; 898 } 899 900 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample, 901 struct thread *thread, 902 struct perf_event_attr *attr, FILE *fp) 903 { 904 struct branch_stack *br = sample->branch_stack; 905 struct branch_entry *entries = perf_sample__branch_entries(sample); 906 struct addr_location alf, alt; 907 u64 i, from, to; 908 int printed = 0; 909 910 if (!(br && br->nr)) 911 return 0; 912 913 for (i = 0; i < br->nr; i++) { 914 915 memset(&alf, 0, sizeof(alf)); 916 memset(&alt, 0, sizeof(alt)); 917 from = entries[i].from; 918 to = entries[i].to; 919 920 thread__find_symbol_fb(thread, sample->cpumode, from, &alf); 921 thread__find_symbol_fb(thread, sample->cpumode, to, &alt); 922 923 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp); 924 if (PRINT_FIELD(DSO)) { 925 printed += fprintf(fp, "("); 926 printed += map__fprintf_dsoname(alf.map, fp); 927 printed += fprintf(fp, ")"); 928 } 929 printed += fprintf(fp, "%c", '/'); 930 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp); 931 if (PRINT_FIELD(DSO)) { 932 printed += fprintf(fp, "("); 933 printed += map__fprintf_dsoname(alt.map, fp); 934 printed += fprintf(fp, ")"); 935 } 936 printed += fprintf(fp, "/%c/%c/%c/%d ", 937 mispred_str(entries + i), 938 entries[i].flags.in_tx ? 'X' : '-', 939 entries[i].flags.abort ? 'A' : '-', 940 entries[i].flags.cycles); 941 } 942 943 return printed; 944 } 945 946 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample, 947 struct thread *thread, 948 struct perf_event_attr *attr, FILE *fp) 949 { 950 struct branch_stack *br = sample->branch_stack; 951 struct branch_entry *entries = perf_sample__branch_entries(sample); 952 struct addr_location alf, alt; 953 u64 i, from, to; 954 int printed = 0; 955 956 if (!(br && br->nr)) 957 return 0; 958 959 for (i = 0; i < br->nr; i++) { 960 961 memset(&alf, 0, sizeof(alf)); 962 memset(&alt, 0, sizeof(alt)); 963 from = entries[i].from; 964 to = entries[i].to; 965 966 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) && 967 !alf.map->dso->adjust_symbols) 968 from = map__map_ip(alf.map, from); 969 970 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) && 971 !alt.map->dso->adjust_symbols) 972 to = map__map_ip(alt.map, to); 973 974 printed += fprintf(fp, " 0x%"PRIx64, from); 975 if (PRINT_FIELD(DSO)) { 976 printed += fprintf(fp, "("); 977 printed += map__fprintf_dsoname(alf.map, fp); 978 printed += fprintf(fp, ")"); 979 } 980 printed += fprintf(fp, "/0x%"PRIx64, to); 981 if (PRINT_FIELD(DSO)) { 982 printed += fprintf(fp, "("); 983 printed += map__fprintf_dsoname(alt.map, fp); 984 printed += fprintf(fp, ")"); 985 } 986 printed += fprintf(fp, "/%c/%c/%c/%d ", 987 mispred_str(entries + i), 988 entries[i].flags.in_tx ? 'X' : '-', 989 entries[i].flags.abort ? 'A' : '-', 990 entries[i].flags.cycles); 991 } 992 993 return printed; 994 } 995 #define MAXBB 16384UL 996 997 static int grab_bb(u8 *buffer, u64 start, u64 end, 998 struct machine *machine, struct thread *thread, 999 bool *is64bit, u8 *cpumode, bool last) 1000 { 1001 long offset, len; 1002 struct addr_location al; 1003 bool kernel; 1004 1005 if (!start || !end) 1006 return 0; 1007 1008 kernel = machine__kernel_ip(machine, start); 1009 if (kernel) 1010 *cpumode = PERF_RECORD_MISC_KERNEL; 1011 else 1012 *cpumode = PERF_RECORD_MISC_USER; 1013 1014 /* 1015 * Block overlaps between kernel and user. 1016 * This can happen due to ring filtering 1017 * On Intel CPUs the entry into the kernel is filtered, 1018 * but the exit is not. Let the caller patch it up. 1019 */ 1020 if (kernel != machine__kernel_ip(machine, end)) { 1021 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end); 1022 return -ENXIO; 1023 } 1024 1025 memset(&al, 0, sizeof(al)); 1026 if (end - start > MAXBB - MAXINSN) { 1027 if (last) 1028 pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end); 1029 else 1030 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start); 1031 return 0; 1032 } 1033 1034 if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) { 1035 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 1036 return 0; 1037 } 1038 if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) { 1039 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 1040 return 0; 1041 } 1042 1043 /* Load maps to ensure dso->is_64_bit has been updated */ 1044 map__load(al.map); 1045 1046 offset = al.map->map_ip(al.map, start); 1047 len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer, 1048 end - start + MAXINSN); 1049 1050 *is64bit = al.map->dso->is_64_bit; 1051 if (len <= 0) 1052 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n", 1053 start, end); 1054 return len; 1055 } 1056 1057 static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state) 1058 { 1059 char *srcfile; 1060 int ret = 0; 1061 unsigned line; 1062 int len; 1063 char *srccode; 1064 1065 if (!map || !map->dso) 1066 return 0; 1067 srcfile = get_srcline_split(map->dso, 1068 map__rip_2objdump(map, addr), 1069 &line); 1070 if (!srcfile) 1071 return 0; 1072 1073 /* Avoid redundant printing */ 1074 if (state && 1075 state->srcfile && 1076 !strcmp(state->srcfile, srcfile) && 1077 state->line == line) { 1078 free(srcfile); 1079 return 0; 1080 } 1081 1082 srccode = find_sourceline(srcfile, line, &len); 1083 if (!srccode) 1084 goto out_free_line; 1085 1086 ret = fprintf(fp, "|%-8d %.*s", line, len, srccode); 1087 1088 if (state) { 1089 state->srcfile = srcfile; 1090 state->line = line; 1091 } 1092 return ret; 1093 1094 out_free_line: 1095 free(srcfile); 1096 return ret; 1097 } 1098 1099 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr) 1100 { 1101 struct addr_location al; 1102 int ret = 0; 1103 1104 memset(&al, 0, sizeof(al)); 1105 thread__find_map(thread, cpumode, addr, &al); 1106 if (!al.map) 1107 return 0; 1108 ret = map__fprintf_srccode(al.map, al.addr, stdout, 1109 &thread->srccode_state); 1110 if (ret) 1111 ret += printf("\n"); 1112 return ret; 1113 } 1114 1115 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en, 1116 struct perf_insn *x, u8 *inbuf, int len, 1117 int insn, FILE *fp, int *total_cycles) 1118 { 1119 int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip, 1120 dump_insn(x, ip, inbuf, len, NULL), 1121 en->flags.predicted ? " PRED" : "", 1122 en->flags.mispred ? " MISPRED" : "", 1123 en->flags.in_tx ? " INTX" : "", 1124 en->flags.abort ? " ABORT" : ""); 1125 if (en->flags.cycles) { 1126 *total_cycles += en->flags.cycles; 1127 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles); 1128 if (insn) 1129 printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles); 1130 } 1131 return printed + fprintf(fp, "\n"); 1132 } 1133 1134 static int ip__fprintf_sym(uint64_t addr, struct thread *thread, 1135 u8 cpumode, int cpu, struct symbol **lastsym, 1136 struct perf_event_attr *attr, FILE *fp) 1137 { 1138 struct addr_location al; 1139 int off, printed = 0; 1140 1141 memset(&al, 0, sizeof(al)); 1142 1143 thread__find_map(thread, cpumode, addr, &al); 1144 1145 if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end) 1146 return 0; 1147 1148 al.cpu = cpu; 1149 al.sym = NULL; 1150 if (al.map) 1151 al.sym = map__find_symbol(al.map, al.addr); 1152 1153 if (!al.sym) 1154 return 0; 1155 1156 if (al.addr < al.sym->end) 1157 off = al.addr - al.sym->start; 1158 else 1159 off = al.addr - al.map->start - al.sym->start; 1160 printed += fprintf(fp, "\t%s", al.sym->name); 1161 if (off) 1162 printed += fprintf(fp, "%+d", off); 1163 printed += fprintf(fp, ":"); 1164 if (PRINT_FIELD(SRCLINE)) 1165 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp); 1166 printed += fprintf(fp, "\n"); 1167 *lastsym = al.sym; 1168 1169 return printed; 1170 } 1171 1172 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample, 1173 struct thread *thread, 1174 struct perf_event_attr *attr, 1175 struct machine *machine, FILE *fp) 1176 { 1177 struct branch_stack *br = sample->branch_stack; 1178 struct branch_entry *entries = perf_sample__branch_entries(sample); 1179 u64 start, end; 1180 int i, insn, len, nr, ilen, printed = 0; 1181 struct perf_insn x; 1182 u8 buffer[MAXBB]; 1183 unsigned off; 1184 struct symbol *lastsym = NULL; 1185 int total_cycles = 0; 1186 1187 if (!(br && br->nr)) 1188 return 0; 1189 nr = br->nr; 1190 if (max_blocks && nr > max_blocks + 1) 1191 nr = max_blocks + 1; 1192 1193 x.thread = thread; 1194 x.cpu = sample->cpu; 1195 1196 printed += fprintf(fp, "%c", '\n'); 1197 1198 /* Handle first from jump, of which we don't know the entry. */ 1199 len = grab_bb(buffer, entries[nr-1].from, 1200 entries[nr-1].from, 1201 machine, thread, &x.is64bit, &x.cpumode, false); 1202 if (len > 0) { 1203 printed += ip__fprintf_sym(entries[nr - 1].from, thread, 1204 x.cpumode, x.cpu, &lastsym, attr, fp); 1205 printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1], 1206 &x, buffer, len, 0, fp, &total_cycles); 1207 if (PRINT_FIELD(SRCCODE)) 1208 printed += print_srccode(thread, x.cpumode, entries[nr - 1].from); 1209 } 1210 1211 /* Print all blocks */ 1212 for (i = nr - 2; i >= 0; i--) { 1213 if (entries[i].from || entries[i].to) 1214 pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i, 1215 entries[i].from, 1216 entries[i].to); 1217 start = entries[i + 1].to; 1218 end = entries[i].from; 1219 1220 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1221 /* Patch up missing kernel transfers due to ring filters */ 1222 if (len == -ENXIO && i > 0) { 1223 end = entries[--i].from; 1224 pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end); 1225 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1226 } 1227 if (len <= 0) 1228 continue; 1229 1230 insn = 0; 1231 for (off = 0; off < (unsigned)len; off += ilen) { 1232 uint64_t ip = start + off; 1233 1234 printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1235 if (ip == end) { 1236 printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp, 1237 &total_cycles); 1238 if (PRINT_FIELD(SRCCODE)) 1239 printed += print_srccode(thread, x.cpumode, ip); 1240 break; 1241 } else { 1242 ilen = 0; 1243 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip, 1244 dump_insn(&x, ip, buffer + off, len - off, &ilen)); 1245 if (ilen == 0) 1246 break; 1247 if (PRINT_FIELD(SRCCODE)) 1248 print_srccode(thread, x.cpumode, ip); 1249 insn++; 1250 } 1251 } 1252 if (off != end - start) 1253 printed += fprintf(fp, "\tmismatch of LBR data and executable\n"); 1254 } 1255 1256 /* 1257 * Hit the branch? In this case we are already done, and the target 1258 * has not been executed yet. 1259 */ 1260 if (entries[0].from == sample->ip) 1261 goto out; 1262 if (entries[0].flags.abort) 1263 goto out; 1264 1265 /* 1266 * Print final block upto sample 1267 * 1268 * Due to pipeline delays the LBRs might be missing a branch 1269 * or two, which can result in very large or negative blocks 1270 * between final branch and sample. When this happens just 1271 * continue walking after the last TO until we hit a branch. 1272 */ 1273 start = entries[0].to; 1274 end = sample->ip; 1275 if (end < start) { 1276 /* Missing jump. Scan 128 bytes for the next branch */ 1277 end = start + 128; 1278 } 1279 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true); 1280 printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1281 if (len <= 0) { 1282 /* Print at least last IP if basic block did not work */ 1283 len = grab_bb(buffer, sample->ip, sample->ip, 1284 machine, thread, &x.is64bit, &x.cpumode, false); 1285 if (len <= 0) 1286 goto out; 1287 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip, 1288 dump_insn(&x, sample->ip, buffer, len, NULL)); 1289 if (PRINT_FIELD(SRCCODE)) 1290 print_srccode(thread, x.cpumode, sample->ip); 1291 goto out; 1292 } 1293 for (off = 0; off <= end - start; off += ilen) { 1294 ilen = 0; 1295 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off, 1296 dump_insn(&x, start + off, buffer + off, len - off, &ilen)); 1297 if (ilen == 0) 1298 break; 1299 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) { 1300 /* 1301 * Hit a missing branch. Just stop. 1302 */ 1303 printed += fprintf(fp, "\t... not reaching sample ...\n"); 1304 break; 1305 } 1306 if (PRINT_FIELD(SRCCODE)) 1307 print_srccode(thread, x.cpumode, start + off); 1308 } 1309 out: 1310 return printed; 1311 } 1312 1313 static int perf_sample__fprintf_addr(struct perf_sample *sample, 1314 struct thread *thread, 1315 struct perf_event_attr *attr, FILE *fp) 1316 { 1317 struct addr_location al; 1318 int printed = fprintf(fp, "%16" PRIx64, sample->addr); 1319 1320 if (!sample_addr_correlates_sym(attr)) 1321 goto out; 1322 1323 thread__resolve(thread, &al, sample); 1324 1325 if (PRINT_FIELD(SYM)) { 1326 printed += fprintf(fp, " "); 1327 if (PRINT_FIELD(SYMOFFSET)) 1328 printed += symbol__fprintf_symname_offs(al.sym, &al, fp); 1329 else 1330 printed += symbol__fprintf_symname(al.sym, fp); 1331 } 1332 1333 if (PRINT_FIELD(DSO)) { 1334 printed += fprintf(fp, " ("); 1335 printed += map__fprintf_dsoname(al.map, fp); 1336 printed += fprintf(fp, ")"); 1337 } 1338 out: 1339 return printed; 1340 } 1341 1342 static const char *resolve_branch_sym(struct perf_sample *sample, 1343 struct evsel *evsel, 1344 struct thread *thread, 1345 struct addr_location *al, 1346 struct addr_location *addr_al, 1347 u64 *ip) 1348 { 1349 struct perf_event_attr *attr = &evsel->core.attr; 1350 const char *name = NULL; 1351 1352 if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) { 1353 if (sample_addr_correlates_sym(attr)) { 1354 if (!addr_al->thread) 1355 thread__resolve(thread, addr_al, sample); 1356 if (addr_al->sym) 1357 name = addr_al->sym->name; 1358 else 1359 *ip = sample->addr; 1360 } else { 1361 *ip = sample->addr; 1362 } 1363 } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) { 1364 if (al->sym) 1365 name = al->sym->name; 1366 else 1367 *ip = sample->ip; 1368 } 1369 return name; 1370 } 1371 1372 static int perf_sample__fprintf_callindent(struct perf_sample *sample, 1373 struct evsel *evsel, 1374 struct thread *thread, 1375 struct addr_location *al, 1376 struct addr_location *addr_al, 1377 FILE *fp) 1378 { 1379 struct perf_event_attr *attr = &evsel->core.attr; 1380 size_t depth = thread_stack__depth(thread, sample->cpu); 1381 const char *name = NULL; 1382 static int spacing; 1383 int len = 0; 1384 int dlen = 0; 1385 u64 ip = 0; 1386 1387 /* 1388 * The 'return' has already been popped off the stack so the depth has 1389 * to be adjusted to match the 'call'. 1390 */ 1391 if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN) 1392 depth += 1; 1393 1394 name = resolve_branch_sym(sample, evsel, thread, al, addr_al, &ip); 1395 1396 if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) { 1397 dlen += fprintf(fp, "("); 1398 dlen += map__fprintf_dsoname(al->map, fp); 1399 dlen += fprintf(fp, ")\t"); 1400 } 1401 1402 if (name) 1403 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name); 1404 else if (ip) 1405 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip); 1406 1407 if (len < 0) 1408 return len; 1409 1410 /* 1411 * Try to keep the output length from changing frequently so that the 1412 * output lines up more nicely. 1413 */ 1414 if (len > spacing || (len && len < spacing - 52)) 1415 spacing = round_up(len + 4, 32); 1416 1417 if (len < spacing) 1418 len += fprintf(fp, "%*s", spacing - len, ""); 1419 1420 return len + dlen; 1421 } 1422 1423 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused, 1424 struct thread *thread __maybe_unused, 1425 struct machine *machine __maybe_unused) 1426 { 1427 } 1428 1429 void script_fetch_insn(struct perf_sample *sample, struct thread *thread, 1430 struct machine *machine) 1431 { 1432 if (sample->insn_len == 0 && native_arch) 1433 arch_fetch_insn(sample, thread, machine); 1434 } 1435 1436 static int perf_sample__fprintf_insn(struct perf_sample *sample, 1437 struct perf_event_attr *attr, 1438 struct thread *thread, 1439 struct machine *machine, FILE *fp) 1440 { 1441 int printed = 0; 1442 1443 script_fetch_insn(sample, thread, machine); 1444 1445 if (PRINT_FIELD(INSNLEN)) 1446 printed += fprintf(fp, " ilen: %d", sample->insn_len); 1447 if (PRINT_FIELD(INSN) && sample->insn_len) { 1448 int i; 1449 1450 printed += fprintf(fp, " insn:"); 1451 for (i = 0; i < sample->insn_len; i++) 1452 printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]); 1453 } 1454 if (PRINT_FIELD(BRSTACKINSN)) 1455 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp); 1456 1457 return printed; 1458 } 1459 1460 static int perf_sample__fprintf_ipc(struct perf_sample *sample, 1461 struct perf_event_attr *attr, FILE *fp) 1462 { 1463 unsigned int ipc; 1464 1465 if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt) 1466 return 0; 1467 1468 ipc = (sample->insn_cnt * 100) / sample->cyc_cnt; 1469 1470 return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ", 1471 ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt); 1472 } 1473 1474 static int perf_sample__fprintf_bts(struct perf_sample *sample, 1475 struct evsel *evsel, 1476 struct thread *thread, 1477 struct addr_location *al, 1478 struct addr_location *addr_al, 1479 struct machine *machine, FILE *fp) 1480 { 1481 struct perf_event_attr *attr = &evsel->core.attr; 1482 unsigned int type = output_type(attr->type); 1483 bool print_srcline_last = false; 1484 int printed = 0; 1485 1486 if (PRINT_FIELD(CALLINDENT)) 1487 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, addr_al, fp); 1488 1489 /* print branch_from information */ 1490 if (PRINT_FIELD(IP)) { 1491 unsigned int print_opts = output[type].print_ip_opts; 1492 struct callchain_cursor *cursor = NULL; 1493 1494 if (symbol_conf.use_callchain && sample->callchain && 1495 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 1496 sample, NULL, NULL, scripting_max_stack) == 0) 1497 cursor = &callchain_cursor; 1498 1499 if (cursor == NULL) { 1500 printed += fprintf(fp, " "); 1501 if (print_opts & EVSEL__PRINT_SRCLINE) { 1502 print_srcline_last = true; 1503 print_opts &= ~EVSEL__PRINT_SRCLINE; 1504 } 1505 } else 1506 printed += fprintf(fp, "\n"); 1507 1508 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, 1509 symbol_conf.bt_stop_list, fp); 1510 } 1511 1512 /* print branch_to information */ 1513 if (PRINT_FIELD(ADDR) || 1514 ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 1515 !output[type].user_set)) { 1516 printed += fprintf(fp, " => "); 1517 printed += perf_sample__fprintf_addr(sample, thread, attr, fp); 1518 } 1519 1520 printed += perf_sample__fprintf_ipc(sample, attr, fp); 1521 1522 if (print_srcline_last) 1523 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp); 1524 1525 printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 1526 printed += fprintf(fp, "\n"); 1527 if (PRINT_FIELD(SRCCODE)) { 1528 int ret = map__fprintf_srccode(al->map, al->addr, stdout, 1529 &thread->srccode_state); 1530 if (ret) { 1531 printed += ret; 1532 printed += printf("\n"); 1533 } 1534 } 1535 return printed; 1536 } 1537 1538 static struct { 1539 u32 flags; 1540 const char *name; 1541 } sample_flags[] = { 1542 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"}, 1543 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"}, 1544 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"}, 1545 {PERF_IP_FLAG_BRANCH, "jmp"}, 1546 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"}, 1547 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"}, 1548 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"}, 1549 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"}, 1550 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"}, 1551 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"}, 1552 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"}, 1553 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"}, 1554 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"}, 1555 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMENTRY, "vmentry"}, 1556 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMEXIT, "vmexit"}, 1557 {0, NULL} 1558 }; 1559 1560 static const char *sample_flags_to_name(u32 flags) 1561 { 1562 int i; 1563 1564 for (i = 0; sample_flags[i].name ; i++) { 1565 if (sample_flags[i].flags == flags) 1566 return sample_flags[i].name; 1567 } 1568 1569 return NULL; 1570 } 1571 1572 int perf_sample__sprintf_flags(u32 flags, char *str, size_t sz) 1573 { 1574 const char *chars = PERF_IP_FLAG_CHARS; 1575 const size_t n = strlen(PERF_IP_FLAG_CHARS); 1576 bool in_tx = flags & PERF_IP_FLAG_IN_TX; 1577 const char *name = NULL; 1578 size_t i, pos = 0; 1579 1580 name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX); 1581 if (name) 1582 return snprintf(str, sz, "%-15s%4s", name, in_tx ? "(x)" : ""); 1583 1584 if (flags & PERF_IP_FLAG_TRACE_BEGIN) { 1585 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN)); 1586 if (name) 1587 return snprintf(str, sz, "tr strt %-7s%4s", name, in_tx ? "(x)" : ""); 1588 } 1589 1590 if (flags & PERF_IP_FLAG_TRACE_END) { 1591 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END)); 1592 if (name) 1593 return snprintf(str, sz, "tr end %-7s%4s", name, in_tx ? "(x)" : ""); 1594 } 1595 1596 for (i = 0; i < n; i++, flags >>= 1) { 1597 if ((flags & 1) && pos < sz) 1598 str[pos++] = chars[i]; 1599 } 1600 for (; i < 32; i++, flags >>= 1) { 1601 if ((flags & 1) && pos < sz) 1602 str[pos++] = '?'; 1603 } 1604 if (pos < sz) 1605 str[pos] = 0; 1606 1607 return pos; 1608 } 1609 1610 static int perf_sample__fprintf_flags(u32 flags, FILE *fp) 1611 { 1612 char str[SAMPLE_FLAGS_BUF_SIZE]; 1613 1614 perf_sample__sprintf_flags(flags, str, sizeof(str)); 1615 return fprintf(fp, " %-19s ", str); 1616 } 1617 1618 struct printer_data { 1619 int line_no; 1620 bool hit_nul; 1621 bool is_printable; 1622 }; 1623 1624 static int sample__fprintf_bpf_output(enum binary_printer_ops op, 1625 unsigned int val, 1626 void *extra, FILE *fp) 1627 { 1628 unsigned char ch = (unsigned char)val; 1629 struct printer_data *printer_data = extra; 1630 int printed = 0; 1631 1632 switch (op) { 1633 case BINARY_PRINT_DATA_BEGIN: 1634 printed += fprintf(fp, "\n"); 1635 break; 1636 case BINARY_PRINT_LINE_BEGIN: 1637 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" : 1638 " "); 1639 break; 1640 case BINARY_PRINT_ADDR: 1641 printed += fprintf(fp, " %04x:", val); 1642 break; 1643 case BINARY_PRINT_NUM_DATA: 1644 printed += fprintf(fp, " %02x", val); 1645 break; 1646 case BINARY_PRINT_NUM_PAD: 1647 printed += fprintf(fp, " "); 1648 break; 1649 case BINARY_PRINT_SEP: 1650 printed += fprintf(fp, " "); 1651 break; 1652 case BINARY_PRINT_CHAR_DATA: 1653 if (printer_data->hit_nul && ch) 1654 printer_data->is_printable = false; 1655 1656 if (!isprint(ch)) { 1657 printed += fprintf(fp, "%c", '.'); 1658 1659 if (!printer_data->is_printable) 1660 break; 1661 1662 if (ch == '\0') 1663 printer_data->hit_nul = true; 1664 else 1665 printer_data->is_printable = false; 1666 } else { 1667 printed += fprintf(fp, "%c", ch); 1668 } 1669 break; 1670 case BINARY_PRINT_CHAR_PAD: 1671 printed += fprintf(fp, " "); 1672 break; 1673 case BINARY_PRINT_LINE_END: 1674 printed += fprintf(fp, "\n"); 1675 printer_data->line_no++; 1676 break; 1677 case BINARY_PRINT_DATA_END: 1678 default: 1679 break; 1680 } 1681 1682 return printed; 1683 } 1684 1685 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp) 1686 { 1687 unsigned int nr_bytes = sample->raw_size; 1688 struct printer_data printer_data = {0, false, true}; 1689 int printed = binary__fprintf(sample->raw_data, nr_bytes, 8, 1690 sample__fprintf_bpf_output, &printer_data, fp); 1691 1692 if (printer_data.is_printable && printer_data.hit_nul) 1693 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data)); 1694 1695 return printed; 1696 } 1697 1698 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp) 1699 { 1700 if (len > 0 && len < spacing) 1701 return fprintf(fp, "%*s", spacing - len, ""); 1702 1703 return 0; 1704 } 1705 1706 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp) 1707 { 1708 return perf_sample__fprintf_spacing(len, 34, fp); 1709 } 1710 1711 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp) 1712 { 1713 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample); 1714 int len; 1715 1716 if (perf_sample__bad_synth_size(sample, *data)) 1717 return 0; 1718 1719 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ", 1720 data->ip, le64_to_cpu(data->payload)); 1721 return len + perf_sample__fprintf_pt_spacing(len, fp); 1722 } 1723 1724 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp) 1725 { 1726 struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample); 1727 int len; 1728 1729 if (perf_sample__bad_synth_size(sample, *data)) 1730 return 0; 1731 1732 len = fprintf(fp, " hints: %#x extensions: %#x ", 1733 data->hints, data->extensions); 1734 return len + perf_sample__fprintf_pt_spacing(len, fp); 1735 } 1736 1737 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp) 1738 { 1739 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample); 1740 int len; 1741 1742 if (perf_sample__bad_synth_size(sample, *data)) 1743 return 0; 1744 1745 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ", 1746 data->hw, data->cstate, data->subcstate); 1747 return len + perf_sample__fprintf_pt_spacing(len, fp); 1748 } 1749 1750 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp) 1751 { 1752 struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample); 1753 int len; 1754 1755 if (perf_sample__bad_synth_size(sample, *data)) 1756 return 0; 1757 1758 len = fprintf(fp, " IP: %u ", data->ip); 1759 return len + perf_sample__fprintf_pt_spacing(len, fp); 1760 } 1761 1762 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp) 1763 { 1764 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample); 1765 int len; 1766 1767 if (perf_sample__bad_synth_size(sample, *data)) 1768 return 0; 1769 1770 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ", 1771 data->deepest_cstate, data->last_cstate, 1772 data->wake_reason); 1773 return len + perf_sample__fprintf_pt_spacing(len, fp); 1774 } 1775 1776 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp) 1777 { 1778 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample); 1779 unsigned int percent, freq; 1780 int len; 1781 1782 if (perf_sample__bad_synth_size(sample, *data)) 1783 return 0; 1784 1785 freq = (le32_to_cpu(data->freq) + 500) / 1000; 1786 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq); 1787 if (data->max_nonturbo) { 1788 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10; 1789 len += fprintf(fp, "(%3u%%) ", percent); 1790 } 1791 return len + perf_sample__fprintf_pt_spacing(len, fp); 1792 } 1793 1794 static int perf_sample__fprintf_synth_psb(struct perf_sample *sample, FILE *fp) 1795 { 1796 struct perf_synth_intel_psb *data = perf_sample__synth_ptr(sample); 1797 int len; 1798 1799 if (perf_sample__bad_synth_size(sample, *data)) 1800 return 0; 1801 1802 len = fprintf(fp, " psb offs: %#" PRIx64, data->offset); 1803 return len + perf_sample__fprintf_pt_spacing(len, fp); 1804 } 1805 1806 static int perf_sample__fprintf_synth(struct perf_sample *sample, 1807 struct evsel *evsel, FILE *fp) 1808 { 1809 switch (evsel->core.attr.config) { 1810 case PERF_SYNTH_INTEL_PTWRITE: 1811 return perf_sample__fprintf_synth_ptwrite(sample, fp); 1812 case PERF_SYNTH_INTEL_MWAIT: 1813 return perf_sample__fprintf_synth_mwait(sample, fp); 1814 case PERF_SYNTH_INTEL_PWRE: 1815 return perf_sample__fprintf_synth_pwre(sample, fp); 1816 case PERF_SYNTH_INTEL_EXSTOP: 1817 return perf_sample__fprintf_synth_exstop(sample, fp); 1818 case PERF_SYNTH_INTEL_PWRX: 1819 return perf_sample__fprintf_synth_pwrx(sample, fp); 1820 case PERF_SYNTH_INTEL_CBR: 1821 return perf_sample__fprintf_synth_cbr(sample, fp); 1822 case PERF_SYNTH_INTEL_PSB: 1823 return perf_sample__fprintf_synth_psb(sample, fp); 1824 default: 1825 break; 1826 } 1827 1828 return 0; 1829 } 1830 1831 static int evlist__max_name_len(struct evlist *evlist) 1832 { 1833 struct evsel *evsel; 1834 int max = 0; 1835 1836 evlist__for_each_entry(evlist, evsel) { 1837 int len = strlen(evsel__name(evsel)); 1838 1839 max = MAX(len, max); 1840 } 1841 1842 return max; 1843 } 1844 1845 static int data_src__fprintf(u64 data_src, FILE *fp) 1846 { 1847 struct mem_info mi = { .data_src.val = data_src }; 1848 char decode[100]; 1849 char out[100]; 1850 static int maxlen; 1851 int len; 1852 1853 perf_script__meminfo_scnprintf(decode, 100, &mi); 1854 1855 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode); 1856 if (maxlen < len) 1857 maxlen = len; 1858 1859 return fprintf(fp, "%-*s", maxlen, out); 1860 } 1861 1862 struct metric_ctx { 1863 struct perf_sample *sample; 1864 struct thread *thread; 1865 struct evsel *evsel; 1866 FILE *fp; 1867 }; 1868 1869 static void script_print_metric(struct perf_stat_config *config __maybe_unused, 1870 void *ctx, const char *color, 1871 const char *fmt, 1872 const char *unit, double val) 1873 { 1874 struct metric_ctx *mctx = ctx; 1875 1876 if (!fmt) 1877 return; 1878 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, 1879 PERF_RECORD_SAMPLE, mctx->fp); 1880 fputs("\tmetric: ", mctx->fp); 1881 if (color) 1882 color_fprintf(mctx->fp, color, fmt, val); 1883 else 1884 printf(fmt, val); 1885 fprintf(mctx->fp, " %s\n", unit); 1886 } 1887 1888 static void script_new_line(struct perf_stat_config *config __maybe_unused, 1889 void *ctx) 1890 { 1891 struct metric_ctx *mctx = ctx; 1892 1893 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, 1894 PERF_RECORD_SAMPLE, mctx->fp); 1895 fputs("\tmetric: ", mctx->fp); 1896 } 1897 1898 static void perf_sample__fprint_metric(struct perf_script *script, 1899 struct thread *thread, 1900 struct evsel *evsel, 1901 struct perf_sample *sample, 1902 FILE *fp) 1903 { 1904 struct evsel *leader = evsel__leader(evsel); 1905 struct perf_stat_output_ctx ctx = { 1906 .print_metric = script_print_metric, 1907 .new_line = script_new_line, 1908 .ctx = &(struct metric_ctx) { 1909 .sample = sample, 1910 .thread = thread, 1911 .evsel = evsel, 1912 .fp = fp, 1913 }, 1914 .force_header = false, 1915 }; 1916 struct evsel *ev2; 1917 u64 val; 1918 1919 if (!evsel->stats) 1920 evlist__alloc_stats(script->session->evlist, false); 1921 if (evsel_script(leader)->gnum++ == 0) 1922 perf_stat__reset_shadow_stats(); 1923 val = sample->period * evsel->scale; 1924 perf_stat__update_shadow_stats(evsel, 1925 val, 1926 sample->cpu, 1927 &rt_stat); 1928 evsel_script(evsel)->val = val; 1929 if (evsel_script(leader)->gnum == leader->core.nr_members) { 1930 for_each_group_member (ev2, leader) { 1931 perf_stat__print_shadow_stats(&stat_config, ev2, 1932 evsel_script(ev2)->val, 1933 sample->cpu, 1934 &ctx, 1935 NULL, 1936 &rt_stat); 1937 } 1938 evsel_script(leader)->gnum = 0; 1939 } 1940 } 1941 1942 static bool show_event(struct perf_sample *sample, 1943 struct evsel *evsel, 1944 struct thread *thread, 1945 struct addr_location *al, 1946 struct addr_location *addr_al) 1947 { 1948 int depth = thread_stack__depth(thread, sample->cpu); 1949 1950 if (!symbol_conf.graph_function) 1951 return true; 1952 1953 if (thread->filter) { 1954 if (depth <= thread->filter_entry_depth) { 1955 thread->filter = false; 1956 return false; 1957 } 1958 return true; 1959 } else { 1960 const char *s = symbol_conf.graph_function; 1961 u64 ip; 1962 const char *name = resolve_branch_sym(sample, evsel, thread, al, addr_al, 1963 &ip); 1964 unsigned nlen; 1965 1966 if (!name) 1967 return false; 1968 nlen = strlen(name); 1969 while (*s) { 1970 unsigned len = strcspn(s, ","); 1971 if (nlen == len && !strncmp(name, s, len)) { 1972 thread->filter = true; 1973 thread->filter_entry_depth = depth; 1974 return true; 1975 } 1976 s += len; 1977 if (*s == ',') 1978 s++; 1979 } 1980 return false; 1981 } 1982 } 1983 1984 static void process_event(struct perf_script *script, 1985 struct perf_sample *sample, struct evsel *evsel, 1986 struct addr_location *al, 1987 struct addr_location *addr_al, 1988 struct machine *machine) 1989 { 1990 struct thread *thread = al->thread; 1991 struct perf_event_attr *attr = &evsel->core.attr; 1992 unsigned int type = output_type(attr->type); 1993 struct evsel_script *es = evsel->priv; 1994 FILE *fp = es->fp; 1995 char str[PAGE_SIZE_NAME_LEN]; 1996 1997 if (output[type].fields == 0) 1998 return; 1999 2000 ++es->samples; 2001 2002 perf_sample__fprintf_start(script, sample, thread, evsel, 2003 PERF_RECORD_SAMPLE, fp); 2004 2005 if (PRINT_FIELD(PERIOD)) 2006 fprintf(fp, "%10" PRIu64 " ", sample->period); 2007 2008 if (PRINT_FIELD(EVNAME)) { 2009 const char *evname = evsel__name(evsel); 2010 2011 if (!script->name_width) 2012 script->name_width = evlist__max_name_len(script->session->evlist); 2013 2014 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]"); 2015 } 2016 2017 if (print_flags) 2018 perf_sample__fprintf_flags(sample->flags, fp); 2019 2020 if (is_bts_event(attr)) { 2021 perf_sample__fprintf_bts(sample, evsel, thread, al, addr_al, machine, fp); 2022 return; 2023 } 2024 2025 if (PRINT_FIELD(TRACE) && sample->raw_data) { 2026 event_format__fprintf(evsel->tp_format, sample->cpu, 2027 sample->raw_data, sample->raw_size, fp); 2028 } 2029 2030 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH)) 2031 perf_sample__fprintf_synth(sample, evsel, fp); 2032 2033 if (PRINT_FIELD(ADDR)) 2034 perf_sample__fprintf_addr(sample, thread, attr, fp); 2035 2036 if (PRINT_FIELD(DATA_SRC)) 2037 data_src__fprintf(sample->data_src, fp); 2038 2039 if (PRINT_FIELD(WEIGHT)) 2040 fprintf(fp, "%16" PRIu64, sample->weight); 2041 2042 if (PRINT_FIELD(IP)) { 2043 struct callchain_cursor *cursor = NULL; 2044 2045 if (script->stitch_lbr) 2046 al->thread->lbr_stitch_enable = true; 2047 2048 if (symbol_conf.use_callchain && sample->callchain && 2049 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 2050 sample, NULL, NULL, scripting_max_stack) == 0) 2051 cursor = &callchain_cursor; 2052 2053 fputc(cursor ? '\n' : ' ', fp); 2054 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, 2055 symbol_conf.bt_stop_list, fp); 2056 } 2057 2058 if (PRINT_FIELD(IREGS)) 2059 perf_sample__fprintf_iregs(sample, attr, fp); 2060 2061 if (PRINT_FIELD(UREGS)) 2062 perf_sample__fprintf_uregs(sample, attr, fp); 2063 2064 if (PRINT_FIELD(BRSTACK)) 2065 perf_sample__fprintf_brstack(sample, thread, attr, fp); 2066 else if (PRINT_FIELD(BRSTACKSYM)) 2067 perf_sample__fprintf_brstacksym(sample, thread, attr, fp); 2068 else if (PRINT_FIELD(BRSTACKOFF)) 2069 perf_sample__fprintf_brstackoff(sample, thread, attr, fp); 2070 2071 if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT)) 2072 perf_sample__fprintf_bpf_output(sample, fp); 2073 perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 2074 2075 if (PRINT_FIELD(PHYS_ADDR)) 2076 fprintf(fp, "%16" PRIx64, sample->phys_addr); 2077 2078 if (PRINT_FIELD(DATA_PAGE_SIZE)) 2079 fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str)); 2080 2081 if (PRINT_FIELD(CODE_PAGE_SIZE)) 2082 fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str)); 2083 2084 perf_sample__fprintf_ipc(sample, attr, fp); 2085 2086 fprintf(fp, "\n"); 2087 2088 if (PRINT_FIELD(SRCCODE)) { 2089 if (map__fprintf_srccode(al->map, al->addr, stdout, 2090 &thread->srccode_state)) 2091 printf("\n"); 2092 } 2093 2094 if (PRINT_FIELD(METRIC)) 2095 perf_sample__fprint_metric(script, thread, evsel, sample, fp); 2096 2097 if (verbose) 2098 fflush(fp); 2099 } 2100 2101 static struct scripting_ops *scripting_ops; 2102 2103 static void __process_stat(struct evsel *counter, u64 tstamp) 2104 { 2105 int nthreads = perf_thread_map__nr(counter->core.threads); 2106 int ncpus = evsel__nr_cpus(counter); 2107 int cpu, thread; 2108 static int header_printed; 2109 2110 if (counter->core.system_wide) 2111 nthreads = 1; 2112 2113 if (!header_printed) { 2114 printf("%3s %8s %15s %15s %15s %15s %s\n", 2115 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT"); 2116 header_printed = 1; 2117 } 2118 2119 for (thread = 0; thread < nthreads; thread++) { 2120 for (cpu = 0; cpu < ncpus; cpu++) { 2121 struct perf_counts_values *counts; 2122 2123 counts = perf_counts(counter->counts, cpu, thread); 2124 2125 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n", 2126 counter->core.cpus->map[cpu], 2127 perf_thread_map__pid(counter->core.threads, thread), 2128 counts->val, 2129 counts->ena, 2130 counts->run, 2131 tstamp, 2132 evsel__name(counter)); 2133 } 2134 } 2135 } 2136 2137 static void process_stat(struct evsel *counter, u64 tstamp) 2138 { 2139 if (scripting_ops && scripting_ops->process_stat) 2140 scripting_ops->process_stat(&stat_config, counter, tstamp); 2141 else 2142 __process_stat(counter, tstamp); 2143 } 2144 2145 static void process_stat_interval(u64 tstamp) 2146 { 2147 if (scripting_ops && scripting_ops->process_stat_interval) 2148 scripting_ops->process_stat_interval(tstamp); 2149 } 2150 2151 static void setup_scripting(void) 2152 { 2153 setup_perl_scripting(); 2154 setup_python_scripting(); 2155 } 2156 2157 static int flush_scripting(void) 2158 { 2159 return scripting_ops ? scripting_ops->flush_script() : 0; 2160 } 2161 2162 static int cleanup_scripting(void) 2163 { 2164 pr_debug("\nperf script stopped\n"); 2165 2166 return scripting_ops ? scripting_ops->stop_script() : 0; 2167 } 2168 2169 static bool filter_cpu(struct perf_sample *sample) 2170 { 2171 if (cpu_list && sample->cpu != (u32)-1) 2172 return !test_bit(sample->cpu, cpu_bitmap); 2173 return false; 2174 } 2175 2176 static int process_sample_event(struct perf_tool *tool, 2177 union perf_event *event, 2178 struct perf_sample *sample, 2179 struct evsel *evsel, 2180 struct machine *machine) 2181 { 2182 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2183 struct addr_location al; 2184 struct addr_location addr_al; 2185 int ret = 0; 2186 2187 /* Set thread to NULL to indicate addr_al and al are not initialized */ 2188 addr_al.thread = NULL; 2189 al.thread = NULL; 2190 2191 ret = dlfilter__filter_event_early(dlfilter, event, sample, evsel, machine, &al, &addr_al); 2192 if (ret) { 2193 if (ret > 0) 2194 ret = 0; 2195 goto out_put; 2196 } 2197 2198 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num, 2199 sample->time)) { 2200 goto out_put; 2201 } 2202 2203 if (debug_mode) { 2204 if (sample->time < last_timestamp) { 2205 pr_err("Samples misordered, previous: %" PRIu64 2206 " this: %" PRIu64 "\n", last_timestamp, 2207 sample->time); 2208 nr_unordered++; 2209 } 2210 last_timestamp = sample->time; 2211 goto out_put; 2212 } 2213 2214 if (filter_cpu(sample)) 2215 goto out_put; 2216 2217 if (!al.thread && machine__resolve(machine, &al, sample) < 0) { 2218 pr_err("problem processing %d event, skipping it.\n", 2219 event->header.type); 2220 ret = -1; 2221 goto out_put; 2222 } 2223 2224 if (al.filtered) 2225 goto out_put; 2226 2227 if (!show_event(sample, evsel, al.thread, &al, &addr_al)) 2228 goto out_put; 2229 2230 if (evswitch__discard(&scr->evswitch, evsel)) 2231 goto out_put; 2232 2233 ret = dlfilter__filter_event(dlfilter, event, sample, evsel, machine, &al, &addr_al); 2234 if (ret) { 2235 if (ret > 0) 2236 ret = 0; 2237 goto out_put; 2238 } 2239 2240 if (scripting_ops) { 2241 struct addr_location *addr_al_ptr = NULL; 2242 2243 if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 2244 sample_addr_correlates_sym(&evsel->core.attr)) { 2245 if (!addr_al.thread) 2246 thread__resolve(al.thread, &addr_al, sample); 2247 addr_al_ptr = &addr_al; 2248 } 2249 scripting_ops->process_event(event, sample, evsel, &al, addr_al_ptr); 2250 } else { 2251 process_event(scr, sample, evsel, &al, &addr_al, machine); 2252 } 2253 2254 out_put: 2255 if (al.thread) 2256 addr_location__put(&al); 2257 return ret; 2258 } 2259 2260 static int process_attr(struct perf_tool *tool, union perf_event *event, 2261 struct evlist **pevlist) 2262 { 2263 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2264 struct evlist *evlist; 2265 struct evsel *evsel, *pos; 2266 u64 sample_type; 2267 int err; 2268 static struct evsel_script *es; 2269 2270 err = perf_event__process_attr(tool, event, pevlist); 2271 if (err) 2272 return err; 2273 2274 evlist = *pevlist; 2275 evsel = evlist__last(*pevlist); 2276 2277 if (!evsel->priv) { 2278 if (scr->per_event_dump) { 2279 evsel->priv = evsel_script__new(evsel, scr->session->data); 2280 } else { 2281 es = zalloc(sizeof(*es)); 2282 if (!es) 2283 return -ENOMEM; 2284 es->fp = stdout; 2285 evsel->priv = es; 2286 } 2287 } 2288 2289 if (evsel->core.attr.type >= PERF_TYPE_MAX && 2290 evsel->core.attr.type != PERF_TYPE_SYNTH) 2291 return 0; 2292 2293 evlist__for_each_entry(evlist, pos) { 2294 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel) 2295 return 0; 2296 } 2297 2298 if (evsel->core.attr.sample_type) { 2299 err = evsel__check_attr(evsel, scr->session); 2300 if (err) 2301 return err; 2302 } 2303 2304 /* 2305 * Check if we need to enable callchains based 2306 * on events sample_type. 2307 */ 2308 sample_type = evlist__combined_sample_type(evlist); 2309 callchain_param_setup(sample_type); 2310 2311 /* Enable fields for callchain entries */ 2312 if (symbol_conf.use_callchain && 2313 (sample_type & PERF_SAMPLE_CALLCHAIN || 2314 sample_type & PERF_SAMPLE_BRANCH_STACK || 2315 (sample_type & PERF_SAMPLE_REGS_USER && 2316 sample_type & PERF_SAMPLE_STACK_USER))) { 2317 int type = output_type(evsel->core.attr.type); 2318 2319 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP)) 2320 output[type].fields |= PERF_OUTPUT_IP; 2321 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM)) 2322 output[type].fields |= PERF_OUTPUT_SYM; 2323 } 2324 set_print_ip_opts(&evsel->core.attr); 2325 return 0; 2326 } 2327 2328 static int print_event_with_time(struct perf_tool *tool, 2329 union perf_event *event, 2330 struct perf_sample *sample, 2331 struct machine *machine, 2332 pid_t pid, pid_t tid, u64 timestamp) 2333 { 2334 struct perf_script *script = container_of(tool, struct perf_script, tool); 2335 struct perf_session *session = script->session; 2336 struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id); 2337 struct thread *thread = NULL; 2338 2339 if (evsel && !evsel->core.attr.sample_id_all) { 2340 sample->cpu = 0; 2341 sample->time = timestamp; 2342 sample->pid = pid; 2343 sample->tid = tid; 2344 } 2345 2346 if (filter_cpu(sample)) 2347 return 0; 2348 2349 if (tid != -1) 2350 thread = machine__findnew_thread(machine, pid, tid); 2351 2352 if (evsel) { 2353 perf_sample__fprintf_start(script, sample, thread, evsel, 2354 event->header.type, stdout); 2355 } 2356 2357 perf_event__fprintf(event, machine, stdout); 2358 2359 thread__put(thread); 2360 2361 return 0; 2362 } 2363 2364 static int print_event(struct perf_tool *tool, union perf_event *event, 2365 struct perf_sample *sample, struct machine *machine, 2366 pid_t pid, pid_t tid) 2367 { 2368 return print_event_with_time(tool, event, sample, machine, pid, tid, 0); 2369 } 2370 2371 static int process_comm_event(struct perf_tool *tool, 2372 union perf_event *event, 2373 struct perf_sample *sample, 2374 struct machine *machine) 2375 { 2376 if (perf_event__process_comm(tool, event, sample, machine) < 0) 2377 return -1; 2378 2379 return print_event(tool, event, sample, machine, event->comm.pid, 2380 event->comm.tid); 2381 } 2382 2383 static int process_namespaces_event(struct perf_tool *tool, 2384 union perf_event *event, 2385 struct perf_sample *sample, 2386 struct machine *machine) 2387 { 2388 if (perf_event__process_namespaces(tool, event, sample, machine) < 0) 2389 return -1; 2390 2391 return print_event(tool, event, sample, machine, event->namespaces.pid, 2392 event->namespaces.tid); 2393 } 2394 2395 static int process_cgroup_event(struct perf_tool *tool, 2396 union perf_event *event, 2397 struct perf_sample *sample, 2398 struct machine *machine) 2399 { 2400 if (perf_event__process_cgroup(tool, event, sample, machine) < 0) 2401 return -1; 2402 2403 return print_event(tool, event, sample, machine, sample->pid, 2404 sample->tid); 2405 } 2406 2407 static int process_fork_event(struct perf_tool *tool, 2408 union perf_event *event, 2409 struct perf_sample *sample, 2410 struct machine *machine) 2411 { 2412 if (perf_event__process_fork(tool, event, sample, machine) < 0) 2413 return -1; 2414 2415 return print_event_with_time(tool, event, sample, machine, 2416 event->fork.pid, event->fork.tid, 2417 event->fork.time); 2418 } 2419 static int process_exit_event(struct perf_tool *tool, 2420 union perf_event *event, 2421 struct perf_sample *sample, 2422 struct machine *machine) 2423 { 2424 /* Print before 'exit' deletes anything */ 2425 if (print_event_with_time(tool, event, sample, machine, event->fork.pid, 2426 event->fork.tid, event->fork.time)) 2427 return -1; 2428 2429 return perf_event__process_exit(tool, event, sample, machine); 2430 } 2431 2432 static int process_mmap_event(struct perf_tool *tool, 2433 union perf_event *event, 2434 struct perf_sample *sample, 2435 struct machine *machine) 2436 { 2437 if (perf_event__process_mmap(tool, event, sample, machine) < 0) 2438 return -1; 2439 2440 return print_event(tool, event, sample, machine, event->mmap.pid, 2441 event->mmap.tid); 2442 } 2443 2444 static int process_mmap2_event(struct perf_tool *tool, 2445 union perf_event *event, 2446 struct perf_sample *sample, 2447 struct machine *machine) 2448 { 2449 if (perf_event__process_mmap2(tool, event, sample, machine) < 0) 2450 return -1; 2451 2452 return print_event(tool, event, sample, machine, event->mmap2.pid, 2453 event->mmap2.tid); 2454 } 2455 2456 static int process_switch_event(struct perf_tool *tool, 2457 union perf_event *event, 2458 struct perf_sample *sample, 2459 struct machine *machine) 2460 { 2461 struct perf_script *script = container_of(tool, struct perf_script, tool); 2462 2463 if (perf_event__process_switch(tool, event, sample, machine) < 0) 2464 return -1; 2465 2466 if (scripting_ops && scripting_ops->process_switch) 2467 scripting_ops->process_switch(event, sample, machine); 2468 2469 if (!script->show_switch_events) 2470 return 0; 2471 2472 return print_event(tool, event, sample, machine, sample->pid, 2473 sample->tid); 2474 } 2475 2476 static int process_auxtrace_error(struct perf_session *session, 2477 union perf_event *event) 2478 { 2479 if (scripting_ops && scripting_ops->process_auxtrace_error) { 2480 scripting_ops->process_auxtrace_error(session, event); 2481 return 0; 2482 } 2483 2484 return perf_event__process_auxtrace_error(session, event); 2485 } 2486 2487 static int 2488 process_lost_event(struct perf_tool *tool, 2489 union perf_event *event, 2490 struct perf_sample *sample, 2491 struct machine *machine) 2492 { 2493 return print_event(tool, event, sample, machine, sample->pid, 2494 sample->tid); 2495 } 2496 2497 static int 2498 process_throttle_event(struct perf_tool *tool __maybe_unused, 2499 union perf_event *event, 2500 struct perf_sample *sample, 2501 struct machine *machine) 2502 { 2503 if (scripting_ops && scripting_ops->process_throttle) 2504 scripting_ops->process_throttle(event, sample, machine); 2505 return 0; 2506 } 2507 2508 static int 2509 process_finished_round_event(struct perf_tool *tool __maybe_unused, 2510 union perf_event *event, 2511 struct ordered_events *oe __maybe_unused) 2512 2513 { 2514 perf_event__fprintf(event, NULL, stdout); 2515 return 0; 2516 } 2517 2518 static int 2519 process_bpf_events(struct perf_tool *tool __maybe_unused, 2520 union perf_event *event, 2521 struct perf_sample *sample, 2522 struct machine *machine) 2523 { 2524 if (machine__process_ksymbol(machine, event, sample) < 0) 2525 return -1; 2526 2527 return print_event(tool, event, sample, machine, sample->pid, 2528 sample->tid); 2529 } 2530 2531 static int process_text_poke_events(struct perf_tool *tool, 2532 union perf_event *event, 2533 struct perf_sample *sample, 2534 struct machine *machine) 2535 { 2536 if (perf_event__process_text_poke(tool, event, sample, machine) < 0) 2537 return -1; 2538 2539 return print_event(tool, event, sample, machine, sample->pid, 2540 sample->tid); 2541 } 2542 2543 static void sig_handler(int sig __maybe_unused) 2544 { 2545 session_done = 1; 2546 } 2547 2548 static void perf_script__fclose_per_event_dump(struct perf_script *script) 2549 { 2550 struct evlist *evlist = script->session->evlist; 2551 struct evsel *evsel; 2552 2553 evlist__for_each_entry(evlist, evsel) { 2554 if (!evsel->priv) 2555 break; 2556 evsel_script__delete(evsel->priv); 2557 evsel->priv = NULL; 2558 } 2559 } 2560 2561 static int perf_script__fopen_per_event_dump(struct perf_script *script) 2562 { 2563 struct evsel *evsel; 2564 2565 evlist__for_each_entry(script->session->evlist, evsel) { 2566 /* 2567 * Already setup? I.e. we may be called twice in cases like 2568 * Intel PT, one for the intel_pt// and dummy events, then 2569 * for the evsels synthesized from the auxtrace info. 2570 * 2571 * Ses perf_script__process_auxtrace_info. 2572 */ 2573 if (evsel->priv != NULL) 2574 continue; 2575 2576 evsel->priv = evsel_script__new(evsel, script->session->data); 2577 if (evsel->priv == NULL) 2578 goto out_err_fclose; 2579 } 2580 2581 return 0; 2582 2583 out_err_fclose: 2584 perf_script__fclose_per_event_dump(script); 2585 return -1; 2586 } 2587 2588 static int perf_script__setup_per_event_dump(struct perf_script *script) 2589 { 2590 struct evsel *evsel; 2591 static struct evsel_script es_stdout; 2592 2593 if (script->per_event_dump) 2594 return perf_script__fopen_per_event_dump(script); 2595 2596 es_stdout.fp = stdout; 2597 2598 evlist__for_each_entry(script->session->evlist, evsel) 2599 evsel->priv = &es_stdout; 2600 2601 return 0; 2602 } 2603 2604 static void perf_script__exit_per_event_dump_stats(struct perf_script *script) 2605 { 2606 struct evsel *evsel; 2607 2608 evlist__for_each_entry(script->session->evlist, evsel) { 2609 struct evsel_script *es = evsel->priv; 2610 2611 evsel_script__fprintf(es, stdout); 2612 evsel_script__delete(es); 2613 evsel->priv = NULL; 2614 } 2615 } 2616 2617 static void perf_script__exit(struct perf_script *script) 2618 { 2619 perf_thread_map__put(script->threads); 2620 perf_cpu_map__put(script->cpus); 2621 } 2622 2623 static int __cmd_script(struct perf_script *script) 2624 { 2625 int ret; 2626 2627 signal(SIGINT, sig_handler); 2628 2629 perf_stat__init_shadow_stats(); 2630 2631 /* override event processing functions */ 2632 if (script->show_task_events) { 2633 script->tool.comm = process_comm_event; 2634 script->tool.fork = process_fork_event; 2635 script->tool.exit = process_exit_event; 2636 } 2637 if (script->show_mmap_events) { 2638 script->tool.mmap = process_mmap_event; 2639 script->tool.mmap2 = process_mmap2_event; 2640 } 2641 if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch)) 2642 script->tool.context_switch = process_switch_event; 2643 if (scripting_ops && scripting_ops->process_auxtrace_error) 2644 script->tool.auxtrace_error = process_auxtrace_error; 2645 if (script->show_namespace_events) 2646 script->tool.namespaces = process_namespaces_event; 2647 if (script->show_cgroup_events) 2648 script->tool.cgroup = process_cgroup_event; 2649 if (script->show_lost_events) 2650 script->tool.lost = process_lost_event; 2651 if (script->show_round_events) { 2652 script->tool.ordered_events = false; 2653 script->tool.finished_round = process_finished_round_event; 2654 } 2655 if (script->show_bpf_events) { 2656 script->tool.ksymbol = process_bpf_events; 2657 script->tool.bpf = process_bpf_events; 2658 } 2659 if (script->show_text_poke_events) { 2660 script->tool.ksymbol = process_bpf_events; 2661 script->tool.text_poke = process_text_poke_events; 2662 } 2663 2664 if (perf_script__setup_per_event_dump(script)) { 2665 pr_err("Couldn't create the per event dump files\n"); 2666 return -1; 2667 } 2668 2669 ret = perf_session__process_events(script->session); 2670 2671 if (script->per_event_dump) 2672 perf_script__exit_per_event_dump_stats(script); 2673 2674 if (debug_mode) 2675 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); 2676 2677 return ret; 2678 } 2679 2680 struct script_spec { 2681 struct list_head node; 2682 struct scripting_ops *ops; 2683 char spec[]; 2684 }; 2685 2686 static LIST_HEAD(script_specs); 2687 2688 static struct script_spec *script_spec__new(const char *spec, 2689 struct scripting_ops *ops) 2690 { 2691 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); 2692 2693 if (s != NULL) { 2694 strcpy(s->spec, spec); 2695 s->ops = ops; 2696 } 2697 2698 return s; 2699 } 2700 2701 static void script_spec__add(struct script_spec *s) 2702 { 2703 list_add_tail(&s->node, &script_specs); 2704 } 2705 2706 static struct script_spec *script_spec__find(const char *spec) 2707 { 2708 struct script_spec *s; 2709 2710 list_for_each_entry(s, &script_specs, node) 2711 if (strcasecmp(s->spec, spec) == 0) 2712 return s; 2713 return NULL; 2714 } 2715 2716 int script_spec_register(const char *spec, struct scripting_ops *ops) 2717 { 2718 struct script_spec *s; 2719 2720 s = script_spec__find(spec); 2721 if (s) 2722 return -1; 2723 2724 s = script_spec__new(spec, ops); 2725 if (!s) 2726 return -1; 2727 else 2728 script_spec__add(s); 2729 2730 return 0; 2731 } 2732 2733 static struct scripting_ops *script_spec__lookup(const char *spec) 2734 { 2735 struct script_spec *s = script_spec__find(spec); 2736 if (!s) 2737 return NULL; 2738 2739 return s->ops; 2740 } 2741 2742 static void list_available_languages(void) 2743 { 2744 struct script_spec *s; 2745 2746 fprintf(stderr, "\n"); 2747 fprintf(stderr, "Scripting language extensions (used in " 2748 "perf script -s [spec:]script.[spec]):\n\n"); 2749 2750 list_for_each_entry(s, &script_specs, node) 2751 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); 2752 2753 fprintf(stderr, "\n"); 2754 } 2755 2756 /* Find script file relative to current directory or exec path */ 2757 static char *find_script(const char *script) 2758 { 2759 char path[PATH_MAX]; 2760 2761 if (!scripting_ops) { 2762 const char *ext = strrchr(script, '.'); 2763 2764 if (!ext) 2765 return NULL; 2766 2767 scripting_ops = script_spec__lookup(++ext); 2768 if (!scripting_ops) 2769 return NULL; 2770 } 2771 2772 if (access(script, R_OK)) { 2773 char *exec_path = get_argv_exec_path(); 2774 2775 if (!exec_path) 2776 return NULL; 2777 snprintf(path, sizeof(path), "%s/scripts/%s/%s", 2778 exec_path, scripting_ops->dirname, script); 2779 free(exec_path); 2780 script = path; 2781 if (access(script, R_OK)) 2782 return NULL; 2783 } 2784 return strdup(script); 2785 } 2786 2787 static int parse_scriptname(const struct option *opt __maybe_unused, 2788 const char *str, int unset __maybe_unused) 2789 { 2790 char spec[PATH_MAX]; 2791 const char *script, *ext; 2792 int len; 2793 2794 if (strcmp(str, "lang") == 0) { 2795 list_available_languages(); 2796 exit(0); 2797 } 2798 2799 script = strchr(str, ':'); 2800 if (script) { 2801 len = script - str; 2802 if (len >= PATH_MAX) { 2803 fprintf(stderr, "invalid language specifier"); 2804 return -1; 2805 } 2806 strncpy(spec, str, len); 2807 spec[len] = '\0'; 2808 scripting_ops = script_spec__lookup(spec); 2809 if (!scripting_ops) { 2810 fprintf(stderr, "invalid language specifier"); 2811 return -1; 2812 } 2813 script++; 2814 } else { 2815 script = str; 2816 ext = strrchr(script, '.'); 2817 if (!ext) { 2818 fprintf(stderr, "invalid script extension"); 2819 return -1; 2820 } 2821 scripting_ops = script_spec__lookup(++ext); 2822 if (!scripting_ops) { 2823 fprintf(stderr, "invalid script extension"); 2824 return -1; 2825 } 2826 } 2827 2828 script_name = find_script(script); 2829 if (!script_name) 2830 script_name = strdup(script); 2831 2832 return 0; 2833 } 2834 2835 static int parse_output_fields(const struct option *opt __maybe_unused, 2836 const char *arg, int unset __maybe_unused) 2837 { 2838 char *tok, *strtok_saveptr = NULL; 2839 int i, imax = ARRAY_SIZE(all_output_options); 2840 int j; 2841 int rc = 0; 2842 char *str = strdup(arg); 2843 int type = -1; 2844 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT; 2845 2846 if (!str) 2847 return -ENOMEM; 2848 2849 /* first word can state for which event type the user is specifying 2850 * the fields. If no type exists, the specified fields apply to all 2851 * event types found in the file minus the invalid fields for a type. 2852 */ 2853 tok = strchr(str, ':'); 2854 if (tok) { 2855 *tok = '\0'; 2856 tok++; 2857 if (!strcmp(str, "hw")) 2858 type = PERF_TYPE_HARDWARE; 2859 else if (!strcmp(str, "sw")) 2860 type = PERF_TYPE_SOFTWARE; 2861 else if (!strcmp(str, "trace")) 2862 type = PERF_TYPE_TRACEPOINT; 2863 else if (!strcmp(str, "raw")) 2864 type = PERF_TYPE_RAW; 2865 else if (!strcmp(str, "break")) 2866 type = PERF_TYPE_BREAKPOINT; 2867 else if (!strcmp(str, "synth")) 2868 type = OUTPUT_TYPE_SYNTH; 2869 else { 2870 fprintf(stderr, "Invalid event type in field string.\n"); 2871 rc = -EINVAL; 2872 goto out; 2873 } 2874 2875 if (output[type].user_set) 2876 pr_warning("Overriding previous field request for %s events.\n", 2877 event_type(type)); 2878 2879 /* Don't override defaults for +- */ 2880 if (strchr(tok, '+') || strchr(tok, '-')) 2881 goto parse; 2882 2883 output[type].fields = 0; 2884 output[type].user_set = true; 2885 output[type].wildcard_set = false; 2886 2887 } else { 2888 tok = str; 2889 if (strlen(str) == 0) { 2890 fprintf(stderr, 2891 "Cannot set fields to 'none' for all event types.\n"); 2892 rc = -EINVAL; 2893 goto out; 2894 } 2895 2896 /* Don't override defaults for +- */ 2897 if (strchr(str, '+') || strchr(str, '-')) 2898 goto parse; 2899 2900 if (output_set_by_user()) 2901 pr_warning("Overriding previous field request for all events.\n"); 2902 2903 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 2904 output[j].fields = 0; 2905 output[j].user_set = true; 2906 output[j].wildcard_set = true; 2907 } 2908 } 2909 2910 parse: 2911 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) { 2912 if (*tok == '+') { 2913 if (change == SET) 2914 goto out_badmix; 2915 change = ADD; 2916 tok++; 2917 } else if (*tok == '-') { 2918 if (change == SET) 2919 goto out_badmix; 2920 change = REMOVE; 2921 tok++; 2922 } else { 2923 if (change != SET && change != DEFAULT) 2924 goto out_badmix; 2925 change = SET; 2926 } 2927 2928 for (i = 0; i < imax; ++i) { 2929 if (strcmp(tok, all_output_options[i].str) == 0) 2930 break; 2931 } 2932 if (i == imax && strcmp(tok, "flags") == 0) { 2933 print_flags = change != REMOVE; 2934 continue; 2935 } 2936 if (i == imax) { 2937 fprintf(stderr, "Invalid field requested.\n"); 2938 rc = -EINVAL; 2939 goto out; 2940 } 2941 2942 if (type == -1) { 2943 /* add user option to all events types for 2944 * which it is valid 2945 */ 2946 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 2947 if (output[j].invalid_fields & all_output_options[i].field) { 2948 pr_warning("\'%s\' not valid for %s events. Ignoring.\n", 2949 all_output_options[i].str, event_type(j)); 2950 } else { 2951 if (change == REMOVE) { 2952 output[j].fields &= ~all_output_options[i].field; 2953 output[j].user_set_fields &= ~all_output_options[i].field; 2954 output[j].user_unset_fields |= all_output_options[i].field; 2955 } else { 2956 output[j].fields |= all_output_options[i].field; 2957 output[j].user_set_fields |= all_output_options[i].field; 2958 output[j].user_unset_fields &= ~all_output_options[i].field; 2959 } 2960 output[j].user_set = true; 2961 output[j].wildcard_set = true; 2962 } 2963 } 2964 } else { 2965 if (output[type].invalid_fields & all_output_options[i].field) { 2966 fprintf(stderr, "\'%s\' not valid for %s events.\n", 2967 all_output_options[i].str, event_type(type)); 2968 2969 rc = -EINVAL; 2970 goto out; 2971 } 2972 if (change == REMOVE) 2973 output[type].fields &= ~all_output_options[i].field; 2974 else 2975 output[type].fields |= all_output_options[i].field; 2976 output[type].user_set = true; 2977 output[type].wildcard_set = true; 2978 } 2979 } 2980 2981 if (type >= 0) { 2982 if (output[type].fields == 0) { 2983 pr_debug("No fields requested for %s type. " 2984 "Events will not be displayed.\n", event_type(type)); 2985 } 2986 } 2987 goto out; 2988 2989 out_badmix: 2990 fprintf(stderr, "Cannot mix +-field with overridden fields\n"); 2991 rc = -EINVAL; 2992 out: 2993 free(str); 2994 return rc; 2995 } 2996 2997 #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \ 2998 while ((lang_dirent = readdir(scripts_dir)) != NULL) \ 2999 if ((lang_dirent->d_type == DT_DIR || \ 3000 (lang_dirent->d_type == DT_UNKNOWN && \ 3001 is_directory(scripts_path, lang_dirent))) && \ 3002 (strcmp(lang_dirent->d_name, ".")) && \ 3003 (strcmp(lang_dirent->d_name, ".."))) 3004 3005 #define for_each_script(lang_path, lang_dir, script_dirent) \ 3006 while ((script_dirent = readdir(lang_dir)) != NULL) \ 3007 if (script_dirent->d_type != DT_DIR && \ 3008 (script_dirent->d_type != DT_UNKNOWN || \ 3009 !is_directory(lang_path, script_dirent))) 3010 3011 3012 #define RECORD_SUFFIX "-record" 3013 #define REPORT_SUFFIX "-report" 3014 3015 struct script_desc { 3016 struct list_head node; 3017 char *name; 3018 char *half_liner; 3019 char *args; 3020 }; 3021 3022 static LIST_HEAD(script_descs); 3023 3024 static struct script_desc *script_desc__new(const char *name) 3025 { 3026 struct script_desc *s = zalloc(sizeof(*s)); 3027 3028 if (s != NULL && name) 3029 s->name = strdup(name); 3030 3031 return s; 3032 } 3033 3034 static void script_desc__delete(struct script_desc *s) 3035 { 3036 zfree(&s->name); 3037 zfree(&s->half_liner); 3038 zfree(&s->args); 3039 free(s); 3040 } 3041 3042 static void script_desc__add(struct script_desc *s) 3043 { 3044 list_add_tail(&s->node, &script_descs); 3045 } 3046 3047 static struct script_desc *script_desc__find(const char *name) 3048 { 3049 struct script_desc *s; 3050 3051 list_for_each_entry(s, &script_descs, node) 3052 if (strcasecmp(s->name, name) == 0) 3053 return s; 3054 return NULL; 3055 } 3056 3057 static struct script_desc *script_desc__findnew(const char *name) 3058 { 3059 struct script_desc *s = script_desc__find(name); 3060 3061 if (s) 3062 return s; 3063 3064 s = script_desc__new(name); 3065 if (!s) 3066 return NULL; 3067 3068 script_desc__add(s); 3069 3070 return s; 3071 } 3072 3073 static const char *ends_with(const char *str, const char *suffix) 3074 { 3075 size_t suffix_len = strlen(suffix); 3076 const char *p = str; 3077 3078 if (strlen(str) > suffix_len) { 3079 p = str + strlen(str) - suffix_len; 3080 if (!strncmp(p, suffix, suffix_len)) 3081 return p; 3082 } 3083 3084 return NULL; 3085 } 3086 3087 static int read_script_info(struct script_desc *desc, const char *filename) 3088 { 3089 char line[BUFSIZ], *p; 3090 FILE *fp; 3091 3092 fp = fopen(filename, "r"); 3093 if (!fp) 3094 return -1; 3095 3096 while (fgets(line, sizeof(line), fp)) { 3097 p = skip_spaces(line); 3098 if (strlen(p) == 0) 3099 continue; 3100 if (*p != '#') 3101 continue; 3102 p++; 3103 if (strlen(p) && *p == '!') 3104 continue; 3105 3106 p = skip_spaces(p); 3107 if (strlen(p) && p[strlen(p) - 1] == '\n') 3108 p[strlen(p) - 1] = '\0'; 3109 3110 if (!strncmp(p, "description:", strlen("description:"))) { 3111 p += strlen("description:"); 3112 desc->half_liner = strdup(skip_spaces(p)); 3113 continue; 3114 } 3115 3116 if (!strncmp(p, "args:", strlen("args:"))) { 3117 p += strlen("args:"); 3118 desc->args = strdup(skip_spaces(p)); 3119 continue; 3120 } 3121 } 3122 3123 fclose(fp); 3124 3125 return 0; 3126 } 3127 3128 static char *get_script_root(struct dirent *script_dirent, const char *suffix) 3129 { 3130 char *script_root, *str; 3131 3132 script_root = strdup(script_dirent->d_name); 3133 if (!script_root) 3134 return NULL; 3135 3136 str = (char *)ends_with(script_root, suffix); 3137 if (!str) { 3138 free(script_root); 3139 return NULL; 3140 } 3141 3142 *str = '\0'; 3143 return script_root; 3144 } 3145 3146 static int list_available_scripts(const struct option *opt __maybe_unused, 3147 const char *s __maybe_unused, 3148 int unset __maybe_unused) 3149 { 3150 struct dirent *script_dirent, *lang_dirent; 3151 char scripts_path[MAXPATHLEN]; 3152 DIR *scripts_dir, *lang_dir; 3153 char script_path[MAXPATHLEN]; 3154 char lang_path[MAXPATHLEN]; 3155 struct script_desc *desc; 3156 char first_half[BUFSIZ]; 3157 char *script_root; 3158 3159 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3160 3161 scripts_dir = opendir(scripts_path); 3162 if (!scripts_dir) { 3163 fprintf(stdout, 3164 "open(%s) failed.\n" 3165 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n", 3166 scripts_path); 3167 exit(-1); 3168 } 3169 3170 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3171 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3172 lang_dirent->d_name); 3173 lang_dir = opendir(lang_path); 3174 if (!lang_dir) 3175 continue; 3176 3177 for_each_script(lang_path, lang_dir, script_dirent) { 3178 script_root = get_script_root(script_dirent, REPORT_SUFFIX); 3179 if (script_root) { 3180 desc = script_desc__findnew(script_root); 3181 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3182 lang_path, script_dirent->d_name); 3183 read_script_info(desc, script_path); 3184 free(script_root); 3185 } 3186 } 3187 } 3188 3189 fprintf(stdout, "List of available trace scripts:\n"); 3190 list_for_each_entry(desc, &script_descs, node) { 3191 sprintf(first_half, "%s %s", desc->name, 3192 desc->args ? desc->args : ""); 3193 fprintf(stdout, " %-36s %s\n", first_half, 3194 desc->half_liner ? desc->half_liner : ""); 3195 } 3196 3197 exit(0); 3198 } 3199 3200 static int add_dlarg(const struct option *opt __maybe_unused, 3201 const char *s, int unset __maybe_unused) 3202 { 3203 char *arg = strdup(s); 3204 void *a; 3205 3206 if (!arg) 3207 return -1; 3208 3209 a = realloc(dlargv, sizeof(dlargv[0]) * (dlargc + 1)); 3210 if (!a) { 3211 free(arg); 3212 return -1; 3213 } 3214 3215 dlargv = a; 3216 dlargv[dlargc++] = arg; 3217 3218 return 0; 3219 } 3220 3221 static void free_dlarg(void) 3222 { 3223 while (dlargc--) 3224 free(dlargv[dlargc]); 3225 free(dlargv); 3226 } 3227 3228 /* 3229 * Some scripts specify the required events in their "xxx-record" file, 3230 * this function will check if the events in perf.data match those 3231 * mentioned in the "xxx-record". 3232 * 3233 * Fixme: All existing "xxx-record" are all in good formats "-e event ", 3234 * which is covered well now. And new parsing code should be added to 3235 * cover the future complex formats like event groups etc. 3236 */ 3237 static int check_ev_match(char *dir_name, char *scriptname, 3238 struct perf_session *session) 3239 { 3240 char filename[MAXPATHLEN], evname[128]; 3241 char line[BUFSIZ], *p; 3242 struct evsel *pos; 3243 int match, len; 3244 FILE *fp; 3245 3246 scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname); 3247 3248 fp = fopen(filename, "r"); 3249 if (!fp) 3250 return -1; 3251 3252 while (fgets(line, sizeof(line), fp)) { 3253 p = skip_spaces(line); 3254 if (*p == '#') 3255 continue; 3256 3257 while (strlen(p)) { 3258 p = strstr(p, "-e"); 3259 if (!p) 3260 break; 3261 3262 p += 2; 3263 p = skip_spaces(p); 3264 len = strcspn(p, " \t"); 3265 if (!len) 3266 break; 3267 3268 snprintf(evname, len + 1, "%s", p); 3269 3270 match = 0; 3271 evlist__for_each_entry(session->evlist, pos) { 3272 if (!strcmp(evsel__name(pos), evname)) { 3273 match = 1; 3274 break; 3275 } 3276 } 3277 3278 if (!match) { 3279 fclose(fp); 3280 return -1; 3281 } 3282 } 3283 } 3284 3285 fclose(fp); 3286 return 0; 3287 } 3288 3289 /* 3290 * Return -1 if none is found, otherwise the actual scripts number. 3291 * 3292 * Currently the only user of this function is the script browser, which 3293 * will list all statically runnable scripts, select one, execute it and 3294 * show the output in a perf browser. 3295 */ 3296 int find_scripts(char **scripts_array, char **scripts_path_array, int num, 3297 int pathlen) 3298 { 3299 struct dirent *script_dirent, *lang_dirent; 3300 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; 3301 DIR *scripts_dir, *lang_dir; 3302 struct perf_session *session; 3303 struct perf_data data = { 3304 .path = input_name, 3305 .mode = PERF_DATA_MODE_READ, 3306 }; 3307 char *temp; 3308 int i = 0; 3309 3310 session = perf_session__new(&data, NULL); 3311 if (IS_ERR(session)) 3312 return PTR_ERR(session); 3313 3314 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3315 3316 scripts_dir = opendir(scripts_path); 3317 if (!scripts_dir) { 3318 perf_session__delete(session); 3319 return -1; 3320 } 3321 3322 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3323 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, 3324 lang_dirent->d_name); 3325 #ifndef HAVE_LIBPERL_SUPPORT 3326 if (strstr(lang_path, "perl")) 3327 continue; 3328 #endif 3329 #ifndef HAVE_LIBPYTHON_SUPPORT 3330 if (strstr(lang_path, "python")) 3331 continue; 3332 #endif 3333 3334 lang_dir = opendir(lang_path); 3335 if (!lang_dir) 3336 continue; 3337 3338 for_each_script(lang_path, lang_dir, script_dirent) { 3339 /* Skip those real time scripts: xxxtop.p[yl] */ 3340 if (strstr(script_dirent->d_name, "top.")) 3341 continue; 3342 if (i >= num) 3343 break; 3344 snprintf(scripts_path_array[i], pathlen, "%s/%s", 3345 lang_path, 3346 script_dirent->d_name); 3347 temp = strchr(script_dirent->d_name, '.'); 3348 snprintf(scripts_array[i], 3349 (temp - script_dirent->d_name) + 1, 3350 "%s", script_dirent->d_name); 3351 3352 if (check_ev_match(lang_path, 3353 scripts_array[i], session)) 3354 continue; 3355 3356 i++; 3357 } 3358 closedir(lang_dir); 3359 } 3360 3361 closedir(scripts_dir); 3362 perf_session__delete(session); 3363 return i; 3364 } 3365 3366 static char *get_script_path(const char *script_root, const char *suffix) 3367 { 3368 struct dirent *script_dirent, *lang_dirent; 3369 char scripts_path[MAXPATHLEN]; 3370 char script_path[MAXPATHLEN]; 3371 DIR *scripts_dir, *lang_dir; 3372 char lang_path[MAXPATHLEN]; 3373 char *__script_root; 3374 3375 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3376 3377 scripts_dir = opendir(scripts_path); 3378 if (!scripts_dir) 3379 return NULL; 3380 3381 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3382 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3383 lang_dirent->d_name); 3384 lang_dir = opendir(lang_path); 3385 if (!lang_dir) 3386 continue; 3387 3388 for_each_script(lang_path, lang_dir, script_dirent) { 3389 __script_root = get_script_root(script_dirent, suffix); 3390 if (__script_root && !strcmp(script_root, __script_root)) { 3391 free(__script_root); 3392 closedir(scripts_dir); 3393 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3394 lang_path, script_dirent->d_name); 3395 closedir(lang_dir); 3396 return strdup(script_path); 3397 } 3398 free(__script_root); 3399 } 3400 closedir(lang_dir); 3401 } 3402 closedir(scripts_dir); 3403 3404 return NULL; 3405 } 3406 3407 static bool is_top_script(const char *script_path) 3408 { 3409 return ends_with(script_path, "top") != NULL; 3410 } 3411 3412 static int has_required_arg(char *script_path) 3413 { 3414 struct script_desc *desc; 3415 int n_args = 0; 3416 char *p; 3417 3418 desc = script_desc__new(NULL); 3419 3420 if (read_script_info(desc, script_path)) 3421 goto out; 3422 3423 if (!desc->args) 3424 goto out; 3425 3426 for (p = desc->args; *p; p++) 3427 if (*p == '<') 3428 n_args++; 3429 out: 3430 script_desc__delete(desc); 3431 3432 return n_args; 3433 } 3434 3435 static int have_cmd(int argc, const char **argv) 3436 { 3437 char **__argv = malloc(sizeof(const char *) * argc); 3438 3439 if (!__argv) { 3440 pr_err("malloc failed\n"); 3441 return -1; 3442 } 3443 3444 memcpy(__argv, argv, sizeof(const char *) * argc); 3445 argc = parse_options(argc, (const char **)__argv, record_options, 3446 NULL, PARSE_OPT_STOP_AT_NON_OPTION); 3447 free(__argv); 3448 3449 system_wide = (argc == 0); 3450 3451 return 0; 3452 } 3453 3454 static void script__setup_sample_type(struct perf_script *script) 3455 { 3456 struct perf_session *session = script->session; 3457 u64 sample_type = evlist__combined_sample_type(session->evlist); 3458 3459 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) { 3460 if ((sample_type & PERF_SAMPLE_REGS_USER) && 3461 (sample_type & PERF_SAMPLE_STACK_USER)) { 3462 callchain_param.record_mode = CALLCHAIN_DWARF; 3463 dwarf_callchain_users = true; 3464 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK) 3465 callchain_param.record_mode = CALLCHAIN_LBR; 3466 else 3467 callchain_param.record_mode = CALLCHAIN_FP; 3468 } 3469 3470 if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) { 3471 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n" 3472 "Please apply --call-graph lbr when recording.\n"); 3473 script->stitch_lbr = false; 3474 } 3475 } 3476 3477 static int process_stat_round_event(struct perf_session *session, 3478 union perf_event *event) 3479 { 3480 struct perf_record_stat_round *round = &event->stat_round; 3481 struct evsel *counter; 3482 3483 evlist__for_each_entry(session->evlist, counter) { 3484 perf_stat_process_counter(&stat_config, counter); 3485 process_stat(counter, round->time); 3486 } 3487 3488 process_stat_interval(round->time); 3489 return 0; 3490 } 3491 3492 static int process_stat_config_event(struct perf_session *session __maybe_unused, 3493 union perf_event *event) 3494 { 3495 perf_event__read_stat_config(&stat_config, &event->stat_config); 3496 return 0; 3497 } 3498 3499 static int set_maps(struct perf_script *script) 3500 { 3501 struct evlist *evlist = script->session->evlist; 3502 3503 if (!script->cpus || !script->threads) 3504 return 0; 3505 3506 if (WARN_ONCE(script->allocated, "stats double allocation\n")) 3507 return -EINVAL; 3508 3509 perf_evlist__set_maps(&evlist->core, script->cpus, script->threads); 3510 3511 if (evlist__alloc_stats(evlist, true)) 3512 return -ENOMEM; 3513 3514 script->allocated = true; 3515 return 0; 3516 } 3517 3518 static 3519 int process_thread_map_event(struct perf_session *session, 3520 union perf_event *event) 3521 { 3522 struct perf_tool *tool = session->tool; 3523 struct perf_script *script = container_of(tool, struct perf_script, tool); 3524 3525 if (script->threads) { 3526 pr_warning("Extra thread map event, ignoring.\n"); 3527 return 0; 3528 } 3529 3530 script->threads = thread_map__new_event(&event->thread_map); 3531 if (!script->threads) 3532 return -ENOMEM; 3533 3534 return set_maps(script); 3535 } 3536 3537 static 3538 int process_cpu_map_event(struct perf_session *session, 3539 union perf_event *event) 3540 { 3541 struct perf_tool *tool = session->tool; 3542 struct perf_script *script = container_of(tool, struct perf_script, tool); 3543 3544 if (script->cpus) { 3545 pr_warning("Extra cpu map event, ignoring.\n"); 3546 return 0; 3547 } 3548 3549 script->cpus = cpu_map__new_data(&event->cpu_map.data); 3550 if (!script->cpus) 3551 return -ENOMEM; 3552 3553 return set_maps(script); 3554 } 3555 3556 static int process_feature_event(struct perf_session *session, 3557 union perf_event *event) 3558 { 3559 if (event->feat.feat_id < HEADER_LAST_FEATURE) 3560 return perf_event__process_feature(session, event); 3561 return 0; 3562 } 3563 3564 #ifdef HAVE_AUXTRACE_SUPPORT 3565 static int perf_script__process_auxtrace_info(struct perf_session *session, 3566 union perf_event *event) 3567 { 3568 struct perf_tool *tool = session->tool; 3569 3570 int ret = perf_event__process_auxtrace_info(session, event); 3571 3572 if (ret == 0) { 3573 struct perf_script *script = container_of(tool, struct perf_script, tool); 3574 3575 ret = perf_script__setup_per_event_dump(script); 3576 } 3577 3578 return ret; 3579 } 3580 #else 3581 #define perf_script__process_auxtrace_info 0 3582 #endif 3583 3584 static int parse_insn_trace(const struct option *opt __maybe_unused, 3585 const char *str __maybe_unused, 3586 int unset __maybe_unused) 3587 { 3588 parse_output_fields(NULL, "+insn,-event,-period", 0); 3589 itrace_parse_synth_opts(opt, "i0ns", 0); 3590 symbol_conf.nanosecs = true; 3591 return 0; 3592 } 3593 3594 static int parse_xed(const struct option *opt __maybe_unused, 3595 const char *str __maybe_unused, 3596 int unset __maybe_unused) 3597 { 3598 if (isatty(1)) 3599 force_pager("xed -F insn: -A -64 | less"); 3600 else 3601 force_pager("xed -F insn: -A -64"); 3602 return 0; 3603 } 3604 3605 static int parse_call_trace(const struct option *opt __maybe_unused, 3606 const char *str __maybe_unused, 3607 int unset __maybe_unused) 3608 { 3609 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0); 3610 itrace_parse_synth_opts(opt, "cewp", 0); 3611 symbol_conf.nanosecs = true; 3612 symbol_conf.pad_output_len_dso = 50; 3613 return 0; 3614 } 3615 3616 static int parse_callret_trace(const struct option *opt __maybe_unused, 3617 const char *str __maybe_unused, 3618 int unset __maybe_unused) 3619 { 3620 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0); 3621 itrace_parse_synth_opts(opt, "crewp", 0); 3622 symbol_conf.nanosecs = true; 3623 return 0; 3624 } 3625 3626 int cmd_script(int argc, const char **argv) 3627 { 3628 bool show_full_info = false; 3629 bool header = false; 3630 bool header_only = false; 3631 bool script_started = false; 3632 char *rec_script_path = NULL; 3633 char *rep_script_path = NULL; 3634 struct perf_session *session; 3635 struct itrace_synth_opts itrace_synth_opts = { 3636 .set = false, 3637 .default_no_sample = true, 3638 }; 3639 struct utsname uts; 3640 char *script_path = NULL; 3641 const char *dlfilter_file = NULL; 3642 const char **__argv; 3643 int i, j, err = 0; 3644 struct perf_script script = { 3645 .tool = { 3646 .sample = process_sample_event, 3647 .mmap = perf_event__process_mmap, 3648 .mmap2 = perf_event__process_mmap2, 3649 .comm = perf_event__process_comm, 3650 .namespaces = perf_event__process_namespaces, 3651 .cgroup = perf_event__process_cgroup, 3652 .exit = perf_event__process_exit, 3653 .fork = perf_event__process_fork, 3654 .attr = process_attr, 3655 .event_update = perf_event__process_event_update, 3656 .tracing_data = perf_event__process_tracing_data, 3657 .feature = process_feature_event, 3658 .build_id = perf_event__process_build_id, 3659 .id_index = perf_event__process_id_index, 3660 .auxtrace_info = perf_script__process_auxtrace_info, 3661 .auxtrace = perf_event__process_auxtrace, 3662 .auxtrace_error = perf_event__process_auxtrace_error, 3663 .stat = perf_event__process_stat_event, 3664 .stat_round = process_stat_round_event, 3665 .stat_config = process_stat_config_event, 3666 .thread_map = process_thread_map_event, 3667 .cpu_map = process_cpu_map_event, 3668 .throttle = process_throttle_event, 3669 .unthrottle = process_throttle_event, 3670 .ordered_events = true, 3671 .ordering_requires_timestamps = true, 3672 }, 3673 }; 3674 struct perf_data data = { 3675 .mode = PERF_DATA_MODE_READ, 3676 }; 3677 const struct option options[] = { 3678 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 3679 "dump raw trace in ASCII"), 3680 OPT_INCR('v', "verbose", &verbose, 3681 "be more verbose (show symbol address, etc)"), 3682 OPT_BOOLEAN('L', "Latency", &latency_format, 3683 "show latency attributes (irqs/preemption disabled, etc)"), 3684 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", 3685 list_available_scripts), 3686 OPT_CALLBACK_NOOPT(0, "list-dlfilters", NULL, NULL, "list available dlfilters", 3687 list_available_dlfilters), 3688 OPT_CALLBACK('s', "script", NULL, "name", 3689 "script file name (lang:script name, script name, or *)", 3690 parse_scriptname), 3691 OPT_STRING('g', "gen-script", &generate_script_lang, "lang", 3692 "generate perf-script.xx script in specified language"), 3693 OPT_STRING(0, "dlfilter", &dlfilter_file, "file", "filter .so file name"), 3694 OPT_CALLBACK(0, "dlarg", NULL, "argument", "filter argument", 3695 add_dlarg), 3696 OPT_STRING('i', "input", &input_name, "file", "input file name"), 3697 OPT_BOOLEAN('d', "debug-mode", &debug_mode, 3698 "do various checks like samples ordering and lost events"), 3699 OPT_BOOLEAN(0, "header", &header, "Show data header."), 3700 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."), 3701 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 3702 "file", "vmlinux pathname"), 3703 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 3704 "file", "kallsyms pathname"), 3705 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, 3706 "When printing symbols do not display call chain"), 3707 OPT_CALLBACK(0, "symfs", NULL, "directory", 3708 "Look for files with symbols relative to this directory", 3709 symbol__config_symfs), 3710 OPT_CALLBACK('F', "fields", NULL, "str", 3711 "comma separated output fields prepend with 'type:'. " 3712 "+field to add and -field to remove." 3713 "Valid types: hw,sw,trace,raw,synth. " 3714 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso," 3715 "addr,symoff,srcline,period,iregs,uregs,brstack," 3716 "brstacksym,flags,bpf-output,brstackinsn,brstackoff," 3717 "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc,tod," 3718 "data_page_size,code_page_size", 3719 parse_output_fields), 3720 OPT_BOOLEAN('a', "all-cpus", &system_wide, 3721 "system-wide collection from all CPUs"), 3722 OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", 3723 "only consider symbols in these DSOs"), 3724 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 3725 "only consider these symbols"), 3726 OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range, 3727 "Use with -S to list traced records within address range"), 3728 OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL, 3729 "Decode instructions from itrace", parse_insn_trace), 3730 OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL, 3731 "Run xed disassembler on output", parse_xed), 3732 OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL, 3733 "Decode calls from from itrace", parse_call_trace), 3734 OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL, 3735 "Decode calls and returns from itrace", parse_callret_trace), 3736 OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]", 3737 "Only print symbols and callees with --call-trace/--call-ret-trace"), 3738 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]", 3739 "Stop display of callgraph at these symbols"), 3740 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), 3741 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 3742 "only display events for these comms"), 3743 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 3744 "only consider symbols in these pids"), 3745 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 3746 "only consider symbols in these tids"), 3747 OPT_UINTEGER(0, "max-stack", &scripting_max_stack, 3748 "Set the maximum stack depth when parsing the callchain, " 3749 "anything beyond the specified depth will be ignored. " 3750 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 3751 OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"), 3752 OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"), 3753 OPT_BOOLEAN('I', "show-info", &show_full_info, 3754 "display extended information from perf.data file"), 3755 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, 3756 "Show the path of [kernel.kallsyms]"), 3757 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, 3758 "Show the fork/comm/exit events"), 3759 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, 3760 "Show the mmap events"), 3761 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events, 3762 "Show context switch events (if recorded)"), 3763 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events, 3764 "Show namespace events (if recorded)"), 3765 OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events, 3766 "Show cgroup events (if recorded)"), 3767 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events, 3768 "Show lost events (if recorded)"), 3769 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events, 3770 "Show round events (if recorded)"), 3771 OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events, 3772 "Show bpf related events (if recorded)"), 3773 OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events, 3774 "Show text poke related events (if recorded)"), 3775 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump, 3776 "Dump trace output to files named by the monitored events"), 3777 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 3778 OPT_INTEGER(0, "max-blocks", &max_blocks, 3779 "Maximum number of code blocks to dump with brstackinsn"), 3780 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, 3781 "Use 9 decimal places when displaying time"), 3782 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 3783 "Instruction Tracing options\n" ITRACE_HELP, 3784 itrace_parse_synth_opts), 3785 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 3786 "Show full source file name path for source lines"), 3787 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 3788 "Enable symbol demangling"), 3789 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 3790 "Enable kernel symbol demangling"), 3791 OPT_STRING(0, "time", &script.time_str, "str", 3792 "Time span of interest (start,stop)"), 3793 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 3794 "Show inline function"), 3795 OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory", 3796 "guest mount directory under which every guest os" 3797 " instance has a subdir"), 3798 OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name, 3799 "file", "file saving guest os vmlinux"), 3800 OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms, 3801 "file", "file saving guest os /proc/kallsyms"), 3802 OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules, 3803 "file", "file saving guest os /proc/modules"), 3804 OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr, 3805 "Enable LBR callgraph stitching approach"), 3806 OPTS_EVSWITCH(&script.evswitch), 3807 OPT_END() 3808 }; 3809 const char * const script_subcommands[] = { "record", "report", NULL }; 3810 const char *script_usage[] = { 3811 "perf script [<options>]", 3812 "perf script [<options>] record <script> [<record-options>] <command>", 3813 "perf script [<options>] report <script> [script-args]", 3814 "perf script [<options>] <script> [<record-options>] <command>", 3815 "perf script [<options>] <top-script> [script-args]", 3816 NULL 3817 }; 3818 3819 perf_set_singlethreaded(); 3820 3821 setup_scripting(); 3822 3823 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage, 3824 PARSE_OPT_STOP_AT_NON_OPTION); 3825 3826 if (symbol_conf.guestmount || 3827 symbol_conf.default_guest_vmlinux_name || 3828 symbol_conf.default_guest_kallsyms || 3829 symbol_conf.default_guest_modules) { 3830 /* 3831 * Enable guest sample processing. 3832 */ 3833 perf_guest = true; 3834 } 3835 3836 data.path = input_name; 3837 data.force = symbol_conf.force; 3838 3839 if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) { 3840 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); 3841 if (!rec_script_path) 3842 return cmd_record(argc, argv); 3843 } 3844 3845 if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) { 3846 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); 3847 if (!rep_script_path) { 3848 fprintf(stderr, 3849 "Please specify a valid report script" 3850 "(see 'perf script -l' for listing)\n"); 3851 return -1; 3852 } 3853 } 3854 3855 if (reltime && deltatime) { 3856 fprintf(stderr, 3857 "reltime and deltatime - the two don't get along well. " 3858 "Please limit to --reltime or --deltatime.\n"); 3859 return -1; 3860 } 3861 3862 if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) && 3863 itrace_synth_opts.callchain_sz > scripting_max_stack) 3864 scripting_max_stack = itrace_synth_opts.callchain_sz; 3865 3866 /* make sure PERF_EXEC_PATH is set for scripts */ 3867 set_argv_exec_path(get_argv_exec_path()); 3868 3869 if (argc && !script_name && !rec_script_path && !rep_script_path) { 3870 int live_pipe[2]; 3871 int rep_args; 3872 pid_t pid; 3873 3874 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); 3875 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); 3876 3877 if (!rec_script_path && !rep_script_path) { 3878 script_name = find_script(argv[0]); 3879 if (script_name) { 3880 argc -= 1; 3881 argv += 1; 3882 goto script_found; 3883 } 3884 usage_with_options_msg(script_usage, options, 3885 "Couldn't find script `%s'\n\n See perf" 3886 " script -l for available scripts.\n", argv[0]); 3887 } 3888 3889 if (is_top_script(argv[0])) { 3890 rep_args = argc - 1; 3891 } else { 3892 int rec_args; 3893 3894 rep_args = has_required_arg(rep_script_path); 3895 rec_args = (argc - 1) - rep_args; 3896 if (rec_args < 0) { 3897 usage_with_options_msg(script_usage, options, 3898 "`%s' script requires options." 3899 "\n\n See perf script -l for available " 3900 "scripts and options.\n", argv[0]); 3901 } 3902 } 3903 3904 if (pipe(live_pipe) < 0) { 3905 perror("failed to create pipe"); 3906 return -1; 3907 } 3908 3909 pid = fork(); 3910 if (pid < 0) { 3911 perror("failed to fork"); 3912 return -1; 3913 } 3914 3915 if (!pid) { 3916 j = 0; 3917 3918 dup2(live_pipe[1], 1); 3919 close(live_pipe[0]); 3920 3921 if (is_top_script(argv[0])) { 3922 system_wide = true; 3923 } else if (!system_wide) { 3924 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { 3925 err = -1; 3926 goto out; 3927 } 3928 } 3929 3930 __argv = malloc((argc + 6) * sizeof(const char *)); 3931 if (!__argv) { 3932 pr_err("malloc failed\n"); 3933 err = -ENOMEM; 3934 goto out; 3935 } 3936 3937 __argv[j++] = "/bin/sh"; 3938 __argv[j++] = rec_script_path; 3939 if (system_wide) 3940 __argv[j++] = "-a"; 3941 __argv[j++] = "-q"; 3942 __argv[j++] = "-o"; 3943 __argv[j++] = "-"; 3944 for (i = rep_args + 1; i < argc; i++) 3945 __argv[j++] = argv[i]; 3946 __argv[j++] = NULL; 3947 3948 execvp("/bin/sh", (char **)__argv); 3949 free(__argv); 3950 exit(-1); 3951 } 3952 3953 dup2(live_pipe[0], 0); 3954 close(live_pipe[1]); 3955 3956 __argv = malloc((argc + 4) * sizeof(const char *)); 3957 if (!__argv) { 3958 pr_err("malloc failed\n"); 3959 err = -ENOMEM; 3960 goto out; 3961 } 3962 3963 j = 0; 3964 __argv[j++] = "/bin/sh"; 3965 __argv[j++] = rep_script_path; 3966 for (i = 1; i < rep_args + 1; i++) 3967 __argv[j++] = argv[i]; 3968 __argv[j++] = "-i"; 3969 __argv[j++] = "-"; 3970 __argv[j++] = NULL; 3971 3972 execvp("/bin/sh", (char **)__argv); 3973 free(__argv); 3974 exit(-1); 3975 } 3976 script_found: 3977 if (rec_script_path) 3978 script_path = rec_script_path; 3979 if (rep_script_path) 3980 script_path = rep_script_path; 3981 3982 if (script_path) { 3983 j = 0; 3984 3985 if (!rec_script_path) 3986 system_wide = false; 3987 else if (!system_wide) { 3988 if (have_cmd(argc - 1, &argv[1]) != 0) { 3989 err = -1; 3990 goto out; 3991 } 3992 } 3993 3994 __argv = malloc((argc + 2) * sizeof(const char *)); 3995 if (!__argv) { 3996 pr_err("malloc failed\n"); 3997 err = -ENOMEM; 3998 goto out; 3999 } 4000 4001 __argv[j++] = "/bin/sh"; 4002 __argv[j++] = script_path; 4003 if (system_wide) 4004 __argv[j++] = "-a"; 4005 for (i = 2; i < argc; i++) 4006 __argv[j++] = argv[i]; 4007 __argv[j++] = NULL; 4008 4009 execvp("/bin/sh", (char **)__argv); 4010 free(__argv); 4011 exit(-1); 4012 } 4013 4014 if (dlfilter_file) { 4015 dlfilter = dlfilter__new(dlfilter_file, dlargc, dlargv); 4016 if (!dlfilter) 4017 return -1; 4018 } 4019 4020 if (!script_name) { 4021 setup_pager(); 4022 use_browser = 0; 4023 } 4024 4025 session = perf_session__new(&data, &script.tool); 4026 if (IS_ERR(session)) 4027 return PTR_ERR(session); 4028 4029 if (header || header_only) { 4030 script.tool.show_feat_hdr = SHOW_FEAT_HEADER; 4031 perf_session__fprintf_info(session, stdout, show_full_info); 4032 if (header_only) 4033 goto out_delete; 4034 } 4035 if (show_full_info) 4036 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 4037 4038 if (symbol__init(&session->header.env) < 0) 4039 goto out_delete; 4040 4041 uname(&uts); 4042 if (data.is_pipe || /* assume pipe_mode indicates native_arch */ 4043 !strcmp(uts.machine, session->header.env.arch) || 4044 (!strcmp(uts.machine, "x86_64") && 4045 !strcmp(session->header.env.arch, "i386"))) 4046 native_arch = true; 4047 4048 script.session = session; 4049 script__setup_sample_type(&script); 4050 4051 if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) || 4052 symbol_conf.graph_function) 4053 itrace_synth_opts.thread_stack = true; 4054 4055 session->itrace_synth_opts = &itrace_synth_opts; 4056 4057 if (cpu_list) { 4058 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap); 4059 if (err < 0) 4060 goto out_delete; 4061 itrace_synth_opts.cpu_bitmap = cpu_bitmap; 4062 } 4063 4064 if (!no_callchain) 4065 symbol_conf.use_callchain = true; 4066 else 4067 symbol_conf.use_callchain = false; 4068 4069 if (session->tevent.pevent && 4070 tep_set_function_resolver(session->tevent.pevent, 4071 machine__resolve_kernel_addr, 4072 &session->machines.host) < 0) { 4073 pr_err("%s: failed to set libtraceevent function resolver\n", __func__); 4074 err = -1; 4075 goto out_delete; 4076 } 4077 4078 if (generate_script_lang) { 4079 struct stat perf_stat; 4080 int input; 4081 4082 if (output_set_by_user()) { 4083 fprintf(stderr, 4084 "custom fields not supported for generated scripts"); 4085 err = -EINVAL; 4086 goto out_delete; 4087 } 4088 4089 input = open(data.path, O_RDONLY); /* input_name */ 4090 if (input < 0) { 4091 err = -errno; 4092 perror("failed to open file"); 4093 goto out_delete; 4094 } 4095 4096 err = fstat(input, &perf_stat); 4097 if (err < 0) { 4098 perror("failed to stat file"); 4099 goto out_delete; 4100 } 4101 4102 if (!perf_stat.st_size) { 4103 fprintf(stderr, "zero-sized file, nothing to do!\n"); 4104 goto out_delete; 4105 } 4106 4107 scripting_ops = script_spec__lookup(generate_script_lang); 4108 if (!scripting_ops) { 4109 fprintf(stderr, "invalid language specifier"); 4110 err = -ENOENT; 4111 goto out_delete; 4112 } 4113 4114 err = scripting_ops->generate_script(session->tevent.pevent, 4115 "perf-script"); 4116 goto out_delete; 4117 } 4118 4119 err = dlfilter__start(dlfilter, session); 4120 if (err) 4121 goto out_delete; 4122 4123 if (script_name) { 4124 err = scripting_ops->start_script(script_name, argc, argv, session); 4125 if (err) 4126 goto out_delete; 4127 pr_debug("perf script started with script %s\n\n", script_name); 4128 script_started = true; 4129 } 4130 4131 4132 err = perf_session__check_output_opt(session); 4133 if (err < 0) 4134 goto out_delete; 4135 4136 if (script.time_str) { 4137 err = perf_time__parse_for_ranges_reltime(script.time_str, session, 4138 &script.ptime_range, 4139 &script.range_size, 4140 &script.range_num, 4141 reltime); 4142 if (err < 0) 4143 goto out_delete; 4144 4145 itrace_synth_opts__set_time_range(&itrace_synth_opts, 4146 script.ptime_range, 4147 script.range_num); 4148 } 4149 4150 err = evswitch__init(&script.evswitch, session->evlist, stderr); 4151 if (err) 4152 goto out_delete; 4153 4154 if (zstd_init(&(session->zstd_data), 0) < 0) 4155 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n"); 4156 4157 err = __cmd_script(&script); 4158 4159 flush_scripting(); 4160 4161 out_delete: 4162 if (script.ptime_range) { 4163 itrace_synth_opts__clear_time_range(&itrace_synth_opts); 4164 zfree(&script.ptime_range); 4165 } 4166 4167 zstd_fini(&(session->zstd_data)); 4168 evlist__free_stats(session->evlist); 4169 perf_session__delete(session); 4170 perf_script__exit(&script); 4171 4172 if (script_started) 4173 cleanup_scripting(); 4174 dlfilter__cleanup(dlfilter); 4175 free_dlarg(); 4176 out: 4177 return err; 4178 } 4179