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/env.h" 19 #include "util/evlist.h" 20 #include "util/evsel.h" 21 #include "util/evsel_fprintf.h" 22 #include "util/evswitch.h" 23 #include "util/sort.h" 24 #include "util/data.h" 25 #include "util/auxtrace.h" 26 #include "util/cpumap.h" 27 #include "util/thread_map.h" 28 #include "util/stat.h" 29 #include "util/color.h" 30 #include "util/string2.h" 31 #include "util/thread-stack.h" 32 #include "util/time-utils.h" 33 #include "util/path.h" 34 #include "util/event.h" 35 #include "ui/ui.h" 36 #include "print_binary.h" 37 #include "archinsn.h" 38 #include <linux/bitmap.h> 39 #include <linux/kernel.h> 40 #include <linux/stringify.h> 41 #include <linux/time64.h> 42 #include <linux/zalloc.h> 43 #include <sys/utsname.h> 44 #include "asm/bug.h" 45 #include "util/mem-events.h" 46 #include "util/dump-insn.h" 47 #include <dirent.h> 48 #include <errno.h> 49 #include <inttypes.h> 50 #include <signal.h> 51 #include <sys/param.h> 52 #include <sys/types.h> 53 #include <sys/stat.h> 54 #include <fcntl.h> 55 #include <unistd.h> 56 #include <subcmd/pager.h> 57 #include <perf/evlist.h> 58 #include <linux/err.h> 59 #include "util/dlfilter.h" 60 #include "util/record.h" 61 #include "util/util.h" 62 #include "perf.h" 63 64 #include <linux/ctype.h> 65 66 static char const *script_name; 67 static char const *generate_script_lang; 68 static bool reltime; 69 static bool deltatime; 70 static u64 initial_time; 71 static u64 previous_time; 72 static bool debug_mode; 73 static u64 last_timestamp; 74 static u64 nr_unordered; 75 static bool no_callchain; 76 static bool latency_format; 77 static bool system_wide; 78 static bool print_flags; 79 static const char *cpu_list; 80 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); 81 static struct perf_stat_config stat_config; 82 static int max_blocks; 83 static bool native_arch; 84 static struct dlfilter *dlfilter; 85 static int dlargc; 86 static char **dlargv; 87 88 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH; 89 90 enum perf_output_field { 91 PERF_OUTPUT_COMM = 1ULL << 0, 92 PERF_OUTPUT_TID = 1ULL << 1, 93 PERF_OUTPUT_PID = 1ULL << 2, 94 PERF_OUTPUT_TIME = 1ULL << 3, 95 PERF_OUTPUT_CPU = 1ULL << 4, 96 PERF_OUTPUT_EVNAME = 1ULL << 5, 97 PERF_OUTPUT_TRACE = 1ULL << 6, 98 PERF_OUTPUT_IP = 1ULL << 7, 99 PERF_OUTPUT_SYM = 1ULL << 8, 100 PERF_OUTPUT_DSO = 1ULL << 9, 101 PERF_OUTPUT_ADDR = 1ULL << 10, 102 PERF_OUTPUT_SYMOFFSET = 1ULL << 11, 103 PERF_OUTPUT_SRCLINE = 1ULL << 12, 104 PERF_OUTPUT_PERIOD = 1ULL << 13, 105 PERF_OUTPUT_IREGS = 1ULL << 14, 106 PERF_OUTPUT_BRSTACK = 1ULL << 15, 107 PERF_OUTPUT_BRSTACKSYM = 1ULL << 16, 108 PERF_OUTPUT_DATA_SRC = 1ULL << 17, 109 PERF_OUTPUT_WEIGHT = 1ULL << 18, 110 PERF_OUTPUT_BPF_OUTPUT = 1ULL << 19, 111 PERF_OUTPUT_CALLINDENT = 1ULL << 20, 112 PERF_OUTPUT_INSN = 1ULL << 21, 113 PERF_OUTPUT_INSNLEN = 1ULL << 22, 114 PERF_OUTPUT_BRSTACKINSN = 1ULL << 23, 115 PERF_OUTPUT_BRSTACKOFF = 1ULL << 24, 116 PERF_OUTPUT_SYNTH = 1ULL << 25, 117 PERF_OUTPUT_PHYS_ADDR = 1ULL << 26, 118 PERF_OUTPUT_UREGS = 1ULL << 27, 119 PERF_OUTPUT_METRIC = 1ULL << 28, 120 PERF_OUTPUT_MISC = 1ULL << 29, 121 PERF_OUTPUT_SRCCODE = 1ULL << 30, 122 PERF_OUTPUT_IPC = 1ULL << 31, 123 PERF_OUTPUT_TOD = 1ULL << 32, 124 PERF_OUTPUT_DATA_PAGE_SIZE = 1ULL << 33, 125 PERF_OUTPUT_CODE_PAGE_SIZE = 1ULL << 34, 126 PERF_OUTPUT_INS_LAT = 1ULL << 35, 127 }; 128 129 struct perf_script { 130 struct perf_tool tool; 131 struct perf_session *session; 132 bool show_task_events; 133 bool show_mmap_events; 134 bool show_switch_events; 135 bool show_namespace_events; 136 bool show_lost_events; 137 bool show_round_events; 138 bool show_bpf_events; 139 bool show_cgroup_events; 140 bool show_text_poke_events; 141 bool allocated; 142 bool per_event_dump; 143 bool stitch_lbr; 144 struct evswitch evswitch; 145 struct perf_cpu_map *cpus; 146 struct perf_thread_map *threads; 147 int name_width; 148 const char *time_str; 149 struct perf_time_interval *ptime_range; 150 int range_size; 151 int range_num; 152 }; 153 154 struct output_option { 155 const char *str; 156 enum perf_output_field field; 157 } all_output_options[] = { 158 {.str = "comm", .field = PERF_OUTPUT_COMM}, 159 {.str = "tid", .field = PERF_OUTPUT_TID}, 160 {.str = "pid", .field = PERF_OUTPUT_PID}, 161 {.str = "time", .field = PERF_OUTPUT_TIME}, 162 {.str = "cpu", .field = PERF_OUTPUT_CPU}, 163 {.str = "event", .field = PERF_OUTPUT_EVNAME}, 164 {.str = "trace", .field = PERF_OUTPUT_TRACE}, 165 {.str = "ip", .field = PERF_OUTPUT_IP}, 166 {.str = "sym", .field = PERF_OUTPUT_SYM}, 167 {.str = "dso", .field = PERF_OUTPUT_DSO}, 168 {.str = "addr", .field = PERF_OUTPUT_ADDR}, 169 {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET}, 170 {.str = "srcline", .field = PERF_OUTPUT_SRCLINE}, 171 {.str = "period", .field = PERF_OUTPUT_PERIOD}, 172 {.str = "iregs", .field = PERF_OUTPUT_IREGS}, 173 {.str = "uregs", .field = PERF_OUTPUT_UREGS}, 174 {.str = "brstack", .field = PERF_OUTPUT_BRSTACK}, 175 {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM}, 176 {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC}, 177 {.str = "weight", .field = PERF_OUTPUT_WEIGHT}, 178 {.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT}, 179 {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT}, 180 {.str = "insn", .field = PERF_OUTPUT_INSN}, 181 {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN}, 182 {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN}, 183 {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF}, 184 {.str = "synth", .field = PERF_OUTPUT_SYNTH}, 185 {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR}, 186 {.str = "metric", .field = PERF_OUTPUT_METRIC}, 187 {.str = "misc", .field = PERF_OUTPUT_MISC}, 188 {.str = "srccode", .field = PERF_OUTPUT_SRCCODE}, 189 {.str = "ipc", .field = PERF_OUTPUT_IPC}, 190 {.str = "tod", .field = PERF_OUTPUT_TOD}, 191 {.str = "data_page_size", .field = PERF_OUTPUT_DATA_PAGE_SIZE}, 192 {.str = "code_page_size", .field = PERF_OUTPUT_CODE_PAGE_SIZE}, 193 {.str = "ins_lat", .field = PERF_OUTPUT_INS_LAT}, 194 }; 195 196 enum { 197 OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX, 198 OUTPUT_TYPE_OTHER, 199 OUTPUT_TYPE_MAX 200 }; 201 202 /* default set to maintain compatibility with current format */ 203 static struct { 204 bool user_set; 205 bool wildcard_set; 206 unsigned int print_ip_opts; 207 u64 fields; 208 u64 invalid_fields; 209 u64 user_set_fields; 210 u64 user_unset_fields; 211 } output[OUTPUT_TYPE_MAX] = { 212 213 [PERF_TYPE_HARDWARE] = { 214 .user_set = false, 215 216 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 217 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 218 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 219 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 220 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 221 222 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 223 }, 224 225 [PERF_TYPE_SOFTWARE] = { 226 .user_set = false, 227 228 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 229 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 230 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 231 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 232 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 233 PERF_OUTPUT_BPF_OUTPUT, 234 235 .invalid_fields = PERF_OUTPUT_TRACE, 236 }, 237 238 [PERF_TYPE_TRACEPOINT] = { 239 .user_set = false, 240 241 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 242 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 243 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE 244 }, 245 246 [PERF_TYPE_HW_CACHE] = { 247 .user_set = false, 248 249 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 250 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 251 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 252 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 253 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 254 255 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 256 }, 257 258 [PERF_TYPE_RAW] = { 259 .user_set = false, 260 261 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 262 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 263 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 264 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 265 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 266 PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC | 267 PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR | 268 PERF_OUTPUT_DATA_PAGE_SIZE | PERF_OUTPUT_CODE_PAGE_SIZE | 269 PERF_OUTPUT_INS_LAT, 270 271 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 272 }, 273 274 [PERF_TYPE_BREAKPOINT] = { 275 .user_set = false, 276 277 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 278 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 279 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 280 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 281 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 282 283 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 284 }, 285 286 [OUTPUT_TYPE_SYNTH] = { 287 .user_set = false, 288 289 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 290 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 291 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 292 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 293 PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH, 294 295 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 296 }, 297 298 [OUTPUT_TYPE_OTHER] = { 299 .user_set = false, 300 301 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 302 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 303 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 304 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 305 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 306 307 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 308 }, 309 }; 310 311 struct evsel_script { 312 char *filename; 313 FILE *fp; 314 u64 samples; 315 /* For metric output */ 316 u64 val; 317 int gnum; 318 }; 319 320 static inline struct evsel_script *evsel_script(struct evsel *evsel) 321 { 322 return (struct evsel_script *)evsel->priv; 323 } 324 325 static struct evsel_script *evsel_script__new(struct evsel *evsel, struct perf_data *data) 326 { 327 struct evsel_script *es = zalloc(sizeof(*es)); 328 329 if (es != NULL) { 330 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0) 331 goto out_free; 332 es->fp = fopen(es->filename, "w"); 333 if (es->fp == NULL) 334 goto out_free_filename; 335 } 336 337 return es; 338 out_free_filename: 339 zfree(&es->filename); 340 out_free: 341 free(es); 342 return NULL; 343 } 344 345 static void evsel_script__delete(struct evsel_script *es) 346 { 347 zfree(&es->filename); 348 fclose(es->fp); 349 es->fp = NULL; 350 free(es); 351 } 352 353 static int evsel_script__fprintf(struct evsel_script *es, FILE *fp) 354 { 355 struct stat st; 356 357 fstat(fileno(es->fp), &st); 358 return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n", 359 st.st_size / 1024.0 / 1024.0, es->filename, es->samples); 360 } 361 362 static inline int output_type(unsigned int type) 363 { 364 switch (type) { 365 case PERF_TYPE_SYNTH: 366 return OUTPUT_TYPE_SYNTH; 367 default: 368 if (type < PERF_TYPE_MAX) 369 return type; 370 } 371 372 return OUTPUT_TYPE_OTHER; 373 } 374 375 static bool output_set_by_user(void) 376 { 377 int j; 378 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 379 if (output[j].user_set) 380 return true; 381 } 382 return false; 383 } 384 385 static const char *output_field2str(enum perf_output_field field) 386 { 387 int i, imax = ARRAY_SIZE(all_output_options); 388 const char *str = ""; 389 390 for (i = 0; i < imax; ++i) { 391 if (all_output_options[i].field == field) { 392 str = all_output_options[i].str; 393 break; 394 } 395 } 396 return str; 397 } 398 399 #define PRINT_FIELD(x) (output[output_type(attr->type)].fields & PERF_OUTPUT_##x) 400 401 static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg, 402 enum perf_output_field field, bool allow_user_set) 403 { 404 struct perf_event_attr *attr = &evsel->core.attr; 405 int type = output_type(attr->type); 406 const char *evname; 407 408 if (attr->sample_type & sample_type) 409 return 0; 410 411 if (output[type].user_set_fields & field) { 412 if (allow_user_set) 413 return 0; 414 evname = evsel__name(evsel); 415 pr_err("Samples for '%s' event do not have %s attribute set. " 416 "Cannot print '%s' field.\n", 417 evname, sample_msg, output_field2str(field)); 418 return -1; 419 } 420 421 /* user did not ask for it explicitly so remove from the default list */ 422 output[type].fields &= ~field; 423 evname = evsel__name(evsel); 424 pr_debug("Samples for '%s' event do not have %s attribute set. " 425 "Skipping '%s' field.\n", 426 evname, sample_msg, output_field2str(field)); 427 428 return 0; 429 } 430 431 static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg, 432 enum perf_output_field field) 433 { 434 return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false); 435 } 436 437 static int evsel__check_attr(struct evsel *evsel, struct perf_session *session) 438 { 439 struct perf_event_attr *attr = &evsel->core.attr; 440 bool allow_user_set; 441 442 if (perf_header__has_feat(&session->header, HEADER_STAT)) 443 return 0; 444 445 allow_user_set = perf_header__has_feat(&session->header, 446 HEADER_AUXTRACE); 447 448 if (PRINT_FIELD(TRACE) && 449 !perf_session__has_traces(session, "record -R")) 450 return -EINVAL; 451 452 if (PRINT_FIELD(IP)) { 453 if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP)) 454 return -EINVAL; 455 } 456 457 if (PRINT_FIELD(ADDR) && 458 evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set)) 459 return -EINVAL; 460 461 if (PRINT_FIELD(DATA_SRC) && 462 evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC)) 463 return -EINVAL; 464 465 if (PRINT_FIELD(WEIGHT) && 466 evsel__do_check_stype(evsel, PERF_SAMPLE_WEIGHT_TYPE, "WEIGHT", PERF_OUTPUT_WEIGHT, allow_user_set)) 467 return -EINVAL; 468 469 if (PRINT_FIELD(SYM) && 470 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 471 pr_err("Display of symbols requested but neither sample IP nor " 472 "sample address\navailable. Hence, no addresses to convert " 473 "to symbols.\n"); 474 return -EINVAL; 475 } 476 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) { 477 pr_err("Display of offsets requested but symbol is not" 478 "selected.\n"); 479 return -EINVAL; 480 } 481 if (PRINT_FIELD(DSO) && 482 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 483 pr_err("Display of DSO requested but no address to convert.\n"); 484 return -EINVAL; 485 } 486 if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) { 487 pr_err("Display of source line number requested but sample IP is not\n" 488 "selected. Hence, no address to lookup the source line number.\n"); 489 return -EINVAL; 490 } 491 if (PRINT_FIELD(BRSTACKINSN) && !allow_user_set && 492 !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) { 493 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n" 494 "Hint: run 'perf record -b ...'\n"); 495 return -EINVAL; 496 } 497 if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) && 498 evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID)) 499 return -EINVAL; 500 501 if (PRINT_FIELD(TIME) && 502 evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME)) 503 return -EINVAL; 504 505 if (PRINT_FIELD(CPU) && 506 evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set)) 507 return -EINVAL; 508 509 if (PRINT_FIELD(IREGS) && 510 evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set)) 511 return -EINVAL; 512 513 if (PRINT_FIELD(UREGS) && 514 evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS)) 515 return -EINVAL; 516 517 if (PRINT_FIELD(PHYS_ADDR) && 518 evsel__do_check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR, allow_user_set)) 519 return -EINVAL; 520 521 if (PRINT_FIELD(DATA_PAGE_SIZE) && 522 evsel__check_stype(evsel, PERF_SAMPLE_DATA_PAGE_SIZE, "DATA_PAGE_SIZE", PERF_OUTPUT_DATA_PAGE_SIZE)) 523 return -EINVAL; 524 525 if (PRINT_FIELD(CODE_PAGE_SIZE) && 526 evsel__check_stype(evsel, PERF_SAMPLE_CODE_PAGE_SIZE, "CODE_PAGE_SIZE", PERF_OUTPUT_CODE_PAGE_SIZE)) 527 return -EINVAL; 528 529 if (PRINT_FIELD(INS_LAT) && 530 evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_INS_LAT)) 531 return -EINVAL; 532 533 return 0; 534 } 535 536 static void set_print_ip_opts(struct perf_event_attr *attr) 537 { 538 unsigned int type = output_type(attr->type); 539 540 output[type].print_ip_opts = 0; 541 if (PRINT_FIELD(IP)) 542 output[type].print_ip_opts |= EVSEL__PRINT_IP; 543 544 if (PRINT_FIELD(SYM)) 545 output[type].print_ip_opts |= EVSEL__PRINT_SYM; 546 547 if (PRINT_FIELD(DSO)) 548 output[type].print_ip_opts |= EVSEL__PRINT_DSO; 549 550 if (PRINT_FIELD(SYMOFFSET)) 551 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET; 552 553 if (PRINT_FIELD(SRCLINE)) 554 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE; 555 } 556 557 static struct evsel *find_first_output_type(struct evlist *evlist, 558 unsigned int type) 559 { 560 struct evsel *evsel; 561 562 evlist__for_each_entry(evlist, evsel) { 563 if (output_type(evsel->core.attr.type) == (int)type) 564 return evsel; 565 } 566 return NULL; 567 } 568 569 /* 570 * verify all user requested events exist and the samples 571 * have the expected data 572 */ 573 static int perf_session__check_output_opt(struct perf_session *session) 574 { 575 bool tod = false; 576 unsigned int j; 577 struct evsel *evsel; 578 579 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 580 evsel = find_first_output_type(session->evlist, j); 581 582 /* 583 * even if fields is set to 0 (ie., show nothing) event must 584 * exist if user explicitly includes it on the command line 585 */ 586 if (!evsel && output[j].user_set && !output[j].wildcard_set && 587 j != OUTPUT_TYPE_SYNTH) { 588 pr_err("%s events do not exist. " 589 "Remove corresponding -F option to proceed.\n", 590 event_type(j)); 591 return -1; 592 } 593 594 if (evsel && output[j].fields && 595 evsel__check_attr(evsel, session)) 596 return -1; 597 598 if (evsel == NULL) 599 continue; 600 601 set_print_ip_opts(&evsel->core.attr); 602 tod |= output[j].fields & PERF_OUTPUT_TOD; 603 } 604 605 if (!no_callchain) { 606 bool use_callchain = false; 607 bool not_pipe = false; 608 609 evlist__for_each_entry(session->evlist, evsel) { 610 not_pipe = true; 611 if (evsel__has_callchain(evsel)) { 612 use_callchain = true; 613 break; 614 } 615 } 616 if (not_pipe && !use_callchain) 617 symbol_conf.use_callchain = false; 618 } 619 620 /* 621 * set default for tracepoints to print symbols only 622 * if callchains are present 623 */ 624 if (symbol_conf.use_callchain && 625 !output[PERF_TYPE_TRACEPOINT].user_set) { 626 j = PERF_TYPE_TRACEPOINT; 627 628 evlist__for_each_entry(session->evlist, evsel) { 629 if (evsel->core.attr.type != j) 630 continue; 631 632 if (evsel__has_callchain(evsel)) { 633 output[j].fields |= PERF_OUTPUT_IP; 634 output[j].fields |= PERF_OUTPUT_SYM; 635 output[j].fields |= PERF_OUTPUT_SYMOFFSET; 636 output[j].fields |= PERF_OUTPUT_DSO; 637 set_print_ip_opts(&evsel->core.attr); 638 goto out; 639 } 640 } 641 } 642 643 if (tod && !session->header.env.clock.enabled) { 644 pr_err("Can't provide 'tod' time, missing clock data. " 645 "Please record with -k/--clockid option.\n"); 646 return -1; 647 } 648 out: 649 return 0; 650 } 651 652 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask, const char *arch, 653 FILE *fp) 654 { 655 unsigned i = 0, r; 656 int printed = 0; 657 658 if (!regs || !regs->regs) 659 return 0; 660 661 printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi); 662 663 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) { 664 u64 val = regs->regs[i++]; 665 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r, arch), val); 666 } 667 668 return printed; 669 } 670 671 #define DEFAULT_TOD_FMT "%F %H:%M:%S" 672 673 static char* 674 tod_scnprintf(struct perf_script *script, char *buf, int buflen, 675 u64 timestamp) 676 { 677 u64 tod_ns, clockid_ns; 678 struct perf_env *env; 679 unsigned long nsec; 680 struct tm ltime; 681 char date[64]; 682 time_t sec; 683 684 buf[0] = '\0'; 685 if (buflen < 64 || !script) 686 return buf; 687 688 env = &script->session->header.env; 689 if (!env->clock.enabled) { 690 scnprintf(buf, buflen, "disabled"); 691 return buf; 692 } 693 694 clockid_ns = env->clock.clockid_ns; 695 tod_ns = env->clock.tod_ns; 696 697 if (timestamp > clockid_ns) 698 tod_ns += timestamp - clockid_ns; 699 else 700 tod_ns -= clockid_ns - timestamp; 701 702 sec = (time_t) (tod_ns / NSEC_PER_SEC); 703 nsec = tod_ns - sec * NSEC_PER_SEC; 704 705 if (localtime_r(&sec, <ime) == NULL) { 706 scnprintf(buf, buflen, "failed"); 707 } else { 708 strftime(date, sizeof(date), DEFAULT_TOD_FMT, <ime); 709 710 if (symbol_conf.nanosecs) { 711 snprintf(buf, buflen, "%s.%09lu", date, nsec); 712 } else { 713 snprintf(buf, buflen, "%s.%06lu", 714 date, nsec / NSEC_PER_USEC); 715 } 716 } 717 718 return buf; 719 } 720 721 static int perf_sample__fprintf_iregs(struct perf_sample *sample, 722 struct perf_event_attr *attr, const char *arch, FILE *fp) 723 { 724 return perf_sample__fprintf_regs(&sample->intr_regs, 725 attr->sample_regs_intr, arch, fp); 726 } 727 728 static int perf_sample__fprintf_uregs(struct perf_sample *sample, 729 struct perf_event_attr *attr, const char *arch, FILE *fp) 730 { 731 return perf_sample__fprintf_regs(&sample->user_regs, 732 attr->sample_regs_user, arch, fp); 733 } 734 735 static int perf_sample__fprintf_start(struct perf_script *script, 736 struct perf_sample *sample, 737 struct thread *thread, 738 struct evsel *evsel, 739 u32 type, FILE *fp) 740 { 741 struct perf_event_attr *attr = &evsel->core.attr; 742 unsigned long secs; 743 unsigned long long nsecs; 744 int printed = 0; 745 char tstr[128]; 746 747 if (PRINT_FIELD(COMM)) { 748 const char *comm = thread ? thread__comm_str(thread) : ":-1"; 749 750 if (latency_format) 751 printed += fprintf(fp, "%8.8s ", comm); 752 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain) 753 printed += fprintf(fp, "%s ", comm); 754 else 755 printed += fprintf(fp, "%16s ", comm); 756 } 757 758 if (PRINT_FIELD(PID) && PRINT_FIELD(TID)) 759 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid); 760 else if (PRINT_FIELD(PID)) 761 printed += fprintf(fp, "%5d ", sample->pid); 762 else if (PRINT_FIELD(TID)) 763 printed += fprintf(fp, "%5d ", sample->tid); 764 765 if (PRINT_FIELD(CPU)) { 766 if (latency_format) 767 printed += fprintf(fp, "%3d ", sample->cpu); 768 else 769 printed += fprintf(fp, "[%03d] ", sample->cpu); 770 } 771 772 if (PRINT_FIELD(MISC)) { 773 int ret = 0; 774 775 #define has(m) \ 776 (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m 777 778 if (has(KERNEL)) 779 ret += fprintf(fp, "K"); 780 if (has(USER)) 781 ret += fprintf(fp, "U"); 782 if (has(HYPERVISOR)) 783 ret += fprintf(fp, "H"); 784 if (has(GUEST_KERNEL)) 785 ret += fprintf(fp, "G"); 786 if (has(GUEST_USER)) 787 ret += fprintf(fp, "g"); 788 789 switch (type) { 790 case PERF_RECORD_MMAP: 791 case PERF_RECORD_MMAP2: 792 if (has(MMAP_DATA)) 793 ret += fprintf(fp, "M"); 794 break; 795 case PERF_RECORD_COMM: 796 if (has(COMM_EXEC)) 797 ret += fprintf(fp, "E"); 798 break; 799 case PERF_RECORD_SWITCH: 800 case PERF_RECORD_SWITCH_CPU_WIDE: 801 if (has(SWITCH_OUT)) { 802 ret += fprintf(fp, "S"); 803 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT) 804 ret += fprintf(fp, "p"); 805 } 806 default: 807 break; 808 } 809 810 #undef has 811 812 ret += fprintf(fp, "%*s", 6 - ret, " "); 813 printed += ret; 814 } 815 816 if (PRINT_FIELD(TOD)) { 817 tod_scnprintf(script, tstr, sizeof(tstr), sample->time); 818 printed += fprintf(fp, "%s ", tstr); 819 } 820 821 if (PRINT_FIELD(TIME)) { 822 u64 t = sample->time; 823 if (reltime) { 824 if (!initial_time) 825 initial_time = sample->time; 826 t = sample->time - initial_time; 827 } else if (deltatime) { 828 if (previous_time) 829 t = sample->time - previous_time; 830 else { 831 t = 0; 832 } 833 previous_time = sample->time; 834 } 835 nsecs = t; 836 secs = nsecs / NSEC_PER_SEC; 837 nsecs -= secs * NSEC_PER_SEC; 838 839 if (symbol_conf.nanosecs) 840 printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs); 841 else { 842 char sample_time[32]; 843 timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time)); 844 printed += fprintf(fp, "%12s: ", sample_time); 845 } 846 } 847 848 return printed; 849 } 850 851 static inline char 852 mispred_str(struct branch_entry *br) 853 { 854 if (!(br->flags.mispred || br->flags.predicted)) 855 return '-'; 856 857 return br->flags.predicted ? 'P' : 'M'; 858 } 859 860 static int perf_sample__fprintf_brstack(struct perf_sample *sample, 861 struct thread *thread, 862 struct perf_event_attr *attr, FILE *fp) 863 { 864 struct branch_stack *br = sample->branch_stack; 865 struct branch_entry *entries = perf_sample__branch_entries(sample); 866 struct addr_location alf, alt; 867 u64 i, from, to; 868 int printed = 0; 869 870 if (!(br && br->nr)) 871 return 0; 872 873 for (i = 0; i < br->nr; i++) { 874 from = entries[i].from; 875 to = entries[i].to; 876 877 if (PRINT_FIELD(DSO)) { 878 memset(&alf, 0, sizeof(alf)); 879 memset(&alt, 0, sizeof(alt)); 880 thread__find_map_fb(thread, sample->cpumode, from, &alf); 881 thread__find_map_fb(thread, sample->cpumode, to, &alt); 882 } 883 884 printed += fprintf(fp, " 0x%"PRIx64, from); 885 if (PRINT_FIELD(DSO)) { 886 printed += fprintf(fp, "("); 887 printed += map__fprintf_dsoname(alf.map, fp); 888 printed += fprintf(fp, ")"); 889 } 890 891 printed += fprintf(fp, "/0x%"PRIx64, to); 892 if (PRINT_FIELD(DSO)) { 893 printed += fprintf(fp, "("); 894 printed += map__fprintf_dsoname(alt.map, fp); 895 printed += fprintf(fp, ")"); 896 } 897 898 printed += fprintf(fp, "/%c/%c/%c/%d ", 899 mispred_str(entries + i), 900 entries[i].flags.in_tx ? 'X' : '-', 901 entries[i].flags.abort ? 'A' : '-', 902 entries[i].flags.cycles); 903 } 904 905 return printed; 906 } 907 908 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample, 909 struct thread *thread, 910 struct perf_event_attr *attr, FILE *fp) 911 { 912 struct branch_stack *br = sample->branch_stack; 913 struct branch_entry *entries = perf_sample__branch_entries(sample); 914 struct addr_location alf, alt; 915 u64 i, from, to; 916 int printed = 0; 917 918 if (!(br && br->nr)) 919 return 0; 920 921 for (i = 0; i < br->nr; i++) { 922 923 memset(&alf, 0, sizeof(alf)); 924 memset(&alt, 0, sizeof(alt)); 925 from = entries[i].from; 926 to = entries[i].to; 927 928 thread__find_symbol_fb(thread, sample->cpumode, from, &alf); 929 thread__find_symbol_fb(thread, sample->cpumode, to, &alt); 930 931 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp); 932 if (PRINT_FIELD(DSO)) { 933 printed += fprintf(fp, "("); 934 printed += map__fprintf_dsoname(alf.map, fp); 935 printed += fprintf(fp, ")"); 936 } 937 printed += fprintf(fp, "%c", '/'); 938 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp); 939 if (PRINT_FIELD(DSO)) { 940 printed += fprintf(fp, "("); 941 printed += map__fprintf_dsoname(alt.map, fp); 942 printed += fprintf(fp, ")"); 943 } 944 printed += fprintf(fp, "/%c/%c/%c/%d ", 945 mispred_str(entries + i), 946 entries[i].flags.in_tx ? 'X' : '-', 947 entries[i].flags.abort ? 'A' : '-', 948 entries[i].flags.cycles); 949 } 950 951 return printed; 952 } 953 954 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample, 955 struct thread *thread, 956 struct perf_event_attr *attr, FILE *fp) 957 { 958 struct branch_stack *br = sample->branch_stack; 959 struct branch_entry *entries = perf_sample__branch_entries(sample); 960 struct addr_location alf, alt; 961 u64 i, from, to; 962 int printed = 0; 963 964 if (!(br && br->nr)) 965 return 0; 966 967 for (i = 0; i < br->nr; i++) { 968 969 memset(&alf, 0, sizeof(alf)); 970 memset(&alt, 0, sizeof(alt)); 971 from = entries[i].from; 972 to = entries[i].to; 973 974 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) && 975 !alf.map->dso->adjust_symbols) 976 from = map__map_ip(alf.map, from); 977 978 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) && 979 !alt.map->dso->adjust_symbols) 980 to = map__map_ip(alt.map, to); 981 982 printed += fprintf(fp, " 0x%"PRIx64, from); 983 if (PRINT_FIELD(DSO)) { 984 printed += fprintf(fp, "("); 985 printed += map__fprintf_dsoname(alf.map, fp); 986 printed += fprintf(fp, ")"); 987 } 988 printed += fprintf(fp, "/0x%"PRIx64, to); 989 if (PRINT_FIELD(DSO)) { 990 printed += fprintf(fp, "("); 991 printed += map__fprintf_dsoname(alt.map, fp); 992 printed += fprintf(fp, ")"); 993 } 994 printed += fprintf(fp, "/%c/%c/%c/%d ", 995 mispred_str(entries + i), 996 entries[i].flags.in_tx ? 'X' : '-', 997 entries[i].flags.abort ? 'A' : '-', 998 entries[i].flags.cycles); 999 } 1000 1001 return printed; 1002 } 1003 #define MAXBB 16384UL 1004 1005 static int grab_bb(u8 *buffer, u64 start, u64 end, 1006 struct machine *machine, struct thread *thread, 1007 bool *is64bit, u8 *cpumode, bool last) 1008 { 1009 long offset, len; 1010 struct addr_location al; 1011 bool kernel; 1012 1013 if (!start || !end) 1014 return 0; 1015 1016 kernel = machine__kernel_ip(machine, start); 1017 if (kernel) 1018 *cpumode = PERF_RECORD_MISC_KERNEL; 1019 else 1020 *cpumode = PERF_RECORD_MISC_USER; 1021 1022 /* 1023 * Block overlaps between kernel and user. 1024 * This can happen due to ring filtering 1025 * On Intel CPUs the entry into the kernel is filtered, 1026 * but the exit is not. Let the caller patch it up. 1027 */ 1028 if (kernel != machine__kernel_ip(machine, end)) { 1029 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end); 1030 return -ENXIO; 1031 } 1032 1033 memset(&al, 0, sizeof(al)); 1034 if (end - start > MAXBB - MAXINSN) { 1035 if (last) 1036 pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end); 1037 else 1038 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start); 1039 return 0; 1040 } 1041 1042 if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) { 1043 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 1044 return 0; 1045 } 1046 if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) { 1047 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 1048 return 0; 1049 } 1050 1051 /* Load maps to ensure dso->is_64_bit has been updated */ 1052 map__load(al.map); 1053 1054 offset = al.map->map_ip(al.map, start); 1055 len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer, 1056 end - start + MAXINSN); 1057 1058 *is64bit = al.map->dso->is_64_bit; 1059 if (len <= 0) 1060 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n", 1061 start, end); 1062 return len; 1063 } 1064 1065 static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state) 1066 { 1067 char *srcfile; 1068 int ret = 0; 1069 unsigned line; 1070 int len; 1071 char *srccode; 1072 1073 if (!map || !map->dso) 1074 return 0; 1075 srcfile = get_srcline_split(map->dso, 1076 map__rip_2objdump(map, addr), 1077 &line); 1078 if (!srcfile) 1079 return 0; 1080 1081 /* Avoid redundant printing */ 1082 if (state && 1083 state->srcfile && 1084 !strcmp(state->srcfile, srcfile) && 1085 state->line == line) { 1086 free(srcfile); 1087 return 0; 1088 } 1089 1090 srccode = find_sourceline(srcfile, line, &len); 1091 if (!srccode) 1092 goto out_free_line; 1093 1094 ret = fprintf(fp, "|%-8d %.*s", line, len, srccode); 1095 1096 if (state) { 1097 state->srcfile = srcfile; 1098 state->line = line; 1099 } 1100 return ret; 1101 1102 out_free_line: 1103 free(srcfile); 1104 return ret; 1105 } 1106 1107 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr) 1108 { 1109 struct addr_location al; 1110 int ret = 0; 1111 1112 memset(&al, 0, sizeof(al)); 1113 thread__find_map(thread, cpumode, addr, &al); 1114 if (!al.map) 1115 return 0; 1116 ret = map__fprintf_srccode(al.map, al.addr, stdout, 1117 &thread->srccode_state); 1118 if (ret) 1119 ret += printf("\n"); 1120 return ret; 1121 } 1122 1123 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en, 1124 struct perf_insn *x, u8 *inbuf, int len, 1125 int insn, FILE *fp, int *total_cycles) 1126 { 1127 int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip, 1128 dump_insn(x, ip, inbuf, len, NULL), 1129 en->flags.predicted ? " PRED" : "", 1130 en->flags.mispred ? " MISPRED" : "", 1131 en->flags.in_tx ? " INTX" : "", 1132 en->flags.abort ? " ABORT" : ""); 1133 if (en->flags.cycles) { 1134 *total_cycles += en->flags.cycles; 1135 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles); 1136 if (insn) 1137 printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles); 1138 } 1139 return printed + fprintf(fp, "\n"); 1140 } 1141 1142 static int ip__fprintf_sym(uint64_t addr, struct thread *thread, 1143 u8 cpumode, int cpu, struct symbol **lastsym, 1144 struct perf_event_attr *attr, FILE *fp) 1145 { 1146 struct addr_location al; 1147 int off, printed = 0; 1148 1149 memset(&al, 0, sizeof(al)); 1150 1151 thread__find_map(thread, cpumode, addr, &al); 1152 1153 if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end) 1154 return 0; 1155 1156 al.cpu = cpu; 1157 al.sym = NULL; 1158 if (al.map) 1159 al.sym = map__find_symbol(al.map, al.addr); 1160 1161 if (!al.sym) 1162 return 0; 1163 1164 if (al.addr < al.sym->end) 1165 off = al.addr - al.sym->start; 1166 else 1167 off = al.addr - al.map->start - al.sym->start; 1168 printed += fprintf(fp, "\t%s", al.sym->name); 1169 if (off) 1170 printed += fprintf(fp, "%+d", off); 1171 printed += fprintf(fp, ":"); 1172 if (PRINT_FIELD(SRCLINE)) 1173 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp); 1174 printed += fprintf(fp, "\n"); 1175 *lastsym = al.sym; 1176 1177 return printed; 1178 } 1179 1180 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample, 1181 struct thread *thread, 1182 struct perf_event_attr *attr, 1183 struct machine *machine, FILE *fp) 1184 { 1185 struct branch_stack *br = sample->branch_stack; 1186 struct branch_entry *entries = perf_sample__branch_entries(sample); 1187 u64 start, end; 1188 int i, insn, len, nr, ilen, printed = 0; 1189 struct perf_insn x; 1190 u8 buffer[MAXBB]; 1191 unsigned off; 1192 struct symbol *lastsym = NULL; 1193 int total_cycles = 0; 1194 1195 if (!(br && br->nr)) 1196 return 0; 1197 nr = br->nr; 1198 if (max_blocks && nr > max_blocks + 1) 1199 nr = max_blocks + 1; 1200 1201 x.thread = thread; 1202 x.cpu = sample->cpu; 1203 1204 printed += fprintf(fp, "%c", '\n'); 1205 1206 /* Handle first from jump, of which we don't know the entry. */ 1207 len = grab_bb(buffer, entries[nr-1].from, 1208 entries[nr-1].from, 1209 machine, thread, &x.is64bit, &x.cpumode, false); 1210 if (len > 0) { 1211 printed += ip__fprintf_sym(entries[nr - 1].from, thread, 1212 x.cpumode, x.cpu, &lastsym, attr, fp); 1213 printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1], 1214 &x, buffer, len, 0, fp, &total_cycles); 1215 if (PRINT_FIELD(SRCCODE)) 1216 printed += print_srccode(thread, x.cpumode, entries[nr - 1].from); 1217 } 1218 1219 /* Print all blocks */ 1220 for (i = nr - 2; i >= 0; i--) { 1221 if (entries[i].from || entries[i].to) 1222 pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i, 1223 entries[i].from, 1224 entries[i].to); 1225 start = entries[i + 1].to; 1226 end = entries[i].from; 1227 1228 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1229 /* Patch up missing kernel transfers due to ring filters */ 1230 if (len == -ENXIO && i > 0) { 1231 end = entries[--i].from; 1232 pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end); 1233 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1234 } 1235 if (len <= 0) 1236 continue; 1237 1238 insn = 0; 1239 for (off = 0; off < (unsigned)len; off += ilen) { 1240 uint64_t ip = start + off; 1241 1242 printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1243 if (ip == end) { 1244 printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp, 1245 &total_cycles); 1246 if (PRINT_FIELD(SRCCODE)) 1247 printed += print_srccode(thread, x.cpumode, ip); 1248 break; 1249 } else { 1250 ilen = 0; 1251 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip, 1252 dump_insn(&x, ip, buffer + off, len - off, &ilen)); 1253 if (ilen == 0) 1254 break; 1255 if (PRINT_FIELD(SRCCODE)) 1256 print_srccode(thread, x.cpumode, ip); 1257 insn++; 1258 } 1259 } 1260 if (off != end - start) 1261 printed += fprintf(fp, "\tmismatch of LBR data and executable\n"); 1262 } 1263 1264 /* 1265 * Hit the branch? In this case we are already done, and the target 1266 * has not been executed yet. 1267 */ 1268 if (entries[0].from == sample->ip) 1269 goto out; 1270 if (entries[0].flags.abort) 1271 goto out; 1272 1273 /* 1274 * Print final block upto sample 1275 * 1276 * Due to pipeline delays the LBRs might be missing a branch 1277 * or two, which can result in very large or negative blocks 1278 * between final branch and sample. When this happens just 1279 * continue walking after the last TO until we hit a branch. 1280 */ 1281 start = entries[0].to; 1282 end = sample->ip; 1283 if (end < start) { 1284 /* Missing jump. Scan 128 bytes for the next branch */ 1285 end = start + 128; 1286 } 1287 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true); 1288 printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1289 if (len <= 0) { 1290 /* Print at least last IP if basic block did not work */ 1291 len = grab_bb(buffer, sample->ip, sample->ip, 1292 machine, thread, &x.is64bit, &x.cpumode, false); 1293 if (len <= 0) 1294 goto out; 1295 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip, 1296 dump_insn(&x, sample->ip, buffer, len, NULL)); 1297 if (PRINT_FIELD(SRCCODE)) 1298 print_srccode(thread, x.cpumode, sample->ip); 1299 goto out; 1300 } 1301 for (off = 0; off <= end - start; off += ilen) { 1302 ilen = 0; 1303 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off, 1304 dump_insn(&x, start + off, buffer + off, len - off, &ilen)); 1305 if (ilen == 0) 1306 break; 1307 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) { 1308 /* 1309 * Hit a missing branch. Just stop. 1310 */ 1311 printed += fprintf(fp, "\t... not reaching sample ...\n"); 1312 break; 1313 } 1314 if (PRINT_FIELD(SRCCODE)) 1315 print_srccode(thread, x.cpumode, start + off); 1316 } 1317 out: 1318 return printed; 1319 } 1320 1321 static int perf_sample__fprintf_addr(struct perf_sample *sample, 1322 struct thread *thread, 1323 struct perf_event_attr *attr, FILE *fp) 1324 { 1325 struct addr_location al; 1326 int printed = fprintf(fp, "%16" PRIx64, sample->addr); 1327 1328 if (!sample_addr_correlates_sym(attr)) 1329 goto out; 1330 1331 thread__resolve(thread, &al, sample); 1332 1333 if (PRINT_FIELD(SYM)) { 1334 printed += fprintf(fp, " "); 1335 if (PRINT_FIELD(SYMOFFSET)) 1336 printed += symbol__fprintf_symname_offs(al.sym, &al, fp); 1337 else 1338 printed += symbol__fprintf_symname(al.sym, fp); 1339 } 1340 1341 if (PRINT_FIELD(DSO)) { 1342 printed += fprintf(fp, " ("); 1343 printed += map__fprintf_dsoname(al.map, fp); 1344 printed += fprintf(fp, ")"); 1345 } 1346 out: 1347 return printed; 1348 } 1349 1350 static const char *resolve_branch_sym(struct perf_sample *sample, 1351 struct evsel *evsel, 1352 struct thread *thread, 1353 struct addr_location *al, 1354 struct addr_location *addr_al, 1355 u64 *ip) 1356 { 1357 struct perf_event_attr *attr = &evsel->core.attr; 1358 const char *name = NULL; 1359 1360 if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) { 1361 if (sample_addr_correlates_sym(attr)) { 1362 if (!addr_al->thread) 1363 thread__resolve(thread, addr_al, sample); 1364 if (addr_al->sym) 1365 name = addr_al->sym->name; 1366 else 1367 *ip = sample->addr; 1368 } else { 1369 *ip = sample->addr; 1370 } 1371 } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) { 1372 if (al->sym) 1373 name = al->sym->name; 1374 else 1375 *ip = sample->ip; 1376 } 1377 return name; 1378 } 1379 1380 static int perf_sample__fprintf_callindent(struct perf_sample *sample, 1381 struct evsel *evsel, 1382 struct thread *thread, 1383 struct addr_location *al, 1384 struct addr_location *addr_al, 1385 FILE *fp) 1386 { 1387 struct perf_event_attr *attr = &evsel->core.attr; 1388 size_t depth = thread_stack__depth(thread, sample->cpu); 1389 const char *name = NULL; 1390 static int spacing; 1391 int len = 0; 1392 int dlen = 0; 1393 u64 ip = 0; 1394 1395 /* 1396 * The 'return' has already been popped off the stack so the depth has 1397 * to be adjusted to match the 'call'. 1398 */ 1399 if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN) 1400 depth += 1; 1401 1402 name = resolve_branch_sym(sample, evsel, thread, al, addr_al, &ip); 1403 1404 if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) { 1405 dlen += fprintf(fp, "("); 1406 dlen += map__fprintf_dsoname(al->map, fp); 1407 dlen += fprintf(fp, ")\t"); 1408 } 1409 1410 if (name) 1411 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name); 1412 else if (ip) 1413 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip); 1414 1415 if (len < 0) 1416 return len; 1417 1418 /* 1419 * Try to keep the output length from changing frequently so that the 1420 * output lines up more nicely. 1421 */ 1422 if (len > spacing || (len && len < spacing - 52)) 1423 spacing = round_up(len + 4, 32); 1424 1425 if (len < spacing) 1426 len += fprintf(fp, "%*s", spacing - len, ""); 1427 1428 return len + dlen; 1429 } 1430 1431 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused, 1432 struct thread *thread __maybe_unused, 1433 struct machine *machine __maybe_unused) 1434 { 1435 } 1436 1437 void script_fetch_insn(struct perf_sample *sample, struct thread *thread, 1438 struct machine *machine) 1439 { 1440 if (sample->insn_len == 0 && native_arch) 1441 arch_fetch_insn(sample, thread, machine); 1442 } 1443 1444 static int perf_sample__fprintf_insn(struct perf_sample *sample, 1445 struct perf_event_attr *attr, 1446 struct thread *thread, 1447 struct machine *machine, FILE *fp) 1448 { 1449 int printed = 0; 1450 1451 script_fetch_insn(sample, thread, machine); 1452 1453 if (PRINT_FIELD(INSNLEN)) 1454 printed += fprintf(fp, " ilen: %d", sample->insn_len); 1455 if (PRINT_FIELD(INSN) && sample->insn_len) { 1456 int i; 1457 1458 printed += fprintf(fp, " insn:"); 1459 for (i = 0; i < sample->insn_len; i++) 1460 printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]); 1461 } 1462 if (PRINT_FIELD(BRSTACKINSN)) 1463 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp); 1464 1465 return printed; 1466 } 1467 1468 static int perf_sample__fprintf_ipc(struct perf_sample *sample, 1469 struct perf_event_attr *attr, FILE *fp) 1470 { 1471 unsigned int ipc; 1472 1473 if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt) 1474 return 0; 1475 1476 ipc = (sample->insn_cnt * 100) / sample->cyc_cnt; 1477 1478 return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ", 1479 ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt); 1480 } 1481 1482 static int perf_sample__fprintf_bts(struct perf_sample *sample, 1483 struct evsel *evsel, 1484 struct thread *thread, 1485 struct addr_location *al, 1486 struct addr_location *addr_al, 1487 struct machine *machine, FILE *fp) 1488 { 1489 struct perf_event_attr *attr = &evsel->core.attr; 1490 unsigned int type = output_type(attr->type); 1491 bool print_srcline_last = false; 1492 int printed = 0; 1493 1494 if (PRINT_FIELD(CALLINDENT)) 1495 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, addr_al, fp); 1496 1497 /* print branch_from information */ 1498 if (PRINT_FIELD(IP)) { 1499 unsigned int print_opts = output[type].print_ip_opts; 1500 struct callchain_cursor *cursor = NULL; 1501 1502 if (symbol_conf.use_callchain && sample->callchain && 1503 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 1504 sample, NULL, NULL, scripting_max_stack) == 0) 1505 cursor = &callchain_cursor; 1506 1507 if (cursor == NULL) { 1508 printed += fprintf(fp, " "); 1509 if (print_opts & EVSEL__PRINT_SRCLINE) { 1510 print_srcline_last = true; 1511 print_opts &= ~EVSEL__PRINT_SRCLINE; 1512 } 1513 } else 1514 printed += fprintf(fp, "\n"); 1515 1516 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, 1517 symbol_conf.bt_stop_list, fp); 1518 } 1519 1520 /* print branch_to information */ 1521 if (PRINT_FIELD(ADDR) || 1522 ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 1523 !output[type].user_set)) { 1524 printed += fprintf(fp, " => "); 1525 printed += perf_sample__fprintf_addr(sample, thread, attr, fp); 1526 } 1527 1528 printed += perf_sample__fprintf_ipc(sample, attr, fp); 1529 1530 if (print_srcline_last) 1531 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp); 1532 1533 printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 1534 printed += fprintf(fp, "\n"); 1535 if (PRINT_FIELD(SRCCODE)) { 1536 int ret = map__fprintf_srccode(al->map, al->addr, stdout, 1537 &thread->srccode_state); 1538 if (ret) { 1539 printed += ret; 1540 printed += printf("\n"); 1541 } 1542 } 1543 return printed; 1544 } 1545 1546 static struct { 1547 u32 flags; 1548 const char *name; 1549 } sample_flags[] = { 1550 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"}, 1551 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"}, 1552 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"}, 1553 {PERF_IP_FLAG_BRANCH, "jmp"}, 1554 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"}, 1555 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"}, 1556 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"}, 1557 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"}, 1558 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"}, 1559 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"}, 1560 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"}, 1561 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"}, 1562 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"}, 1563 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMENTRY, "vmentry"}, 1564 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMEXIT, "vmexit"}, 1565 {0, NULL} 1566 }; 1567 1568 static const char *sample_flags_to_name(u32 flags) 1569 { 1570 int i; 1571 1572 for (i = 0; sample_flags[i].name ; i++) { 1573 if (sample_flags[i].flags == flags) 1574 return sample_flags[i].name; 1575 } 1576 1577 return NULL; 1578 } 1579 1580 int perf_sample__sprintf_flags(u32 flags, char *str, size_t sz) 1581 { 1582 const char *chars = PERF_IP_FLAG_CHARS; 1583 const size_t n = strlen(PERF_IP_FLAG_CHARS); 1584 bool in_tx = flags & PERF_IP_FLAG_IN_TX; 1585 const char *name = NULL; 1586 size_t i, pos = 0; 1587 1588 name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX); 1589 if (name) 1590 return snprintf(str, sz, "%-15s%4s", name, in_tx ? "(x)" : ""); 1591 1592 if (flags & PERF_IP_FLAG_TRACE_BEGIN) { 1593 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN)); 1594 if (name) 1595 return snprintf(str, sz, "tr strt %-7s%4s", name, in_tx ? "(x)" : ""); 1596 } 1597 1598 if (flags & PERF_IP_FLAG_TRACE_END) { 1599 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END)); 1600 if (name) 1601 return snprintf(str, sz, "tr end %-7s%4s", name, in_tx ? "(x)" : ""); 1602 } 1603 1604 for (i = 0; i < n; i++, flags >>= 1) { 1605 if ((flags & 1) && pos < sz) 1606 str[pos++] = chars[i]; 1607 } 1608 for (; i < 32; i++, flags >>= 1) { 1609 if ((flags & 1) && pos < sz) 1610 str[pos++] = '?'; 1611 } 1612 if (pos < sz) 1613 str[pos] = 0; 1614 1615 return pos; 1616 } 1617 1618 static int perf_sample__fprintf_flags(u32 flags, FILE *fp) 1619 { 1620 char str[SAMPLE_FLAGS_BUF_SIZE]; 1621 1622 perf_sample__sprintf_flags(flags, str, sizeof(str)); 1623 return fprintf(fp, " %-19s ", str); 1624 } 1625 1626 struct printer_data { 1627 int line_no; 1628 bool hit_nul; 1629 bool is_printable; 1630 }; 1631 1632 static int sample__fprintf_bpf_output(enum binary_printer_ops op, 1633 unsigned int val, 1634 void *extra, FILE *fp) 1635 { 1636 unsigned char ch = (unsigned char)val; 1637 struct printer_data *printer_data = extra; 1638 int printed = 0; 1639 1640 switch (op) { 1641 case BINARY_PRINT_DATA_BEGIN: 1642 printed += fprintf(fp, "\n"); 1643 break; 1644 case BINARY_PRINT_LINE_BEGIN: 1645 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" : 1646 " "); 1647 break; 1648 case BINARY_PRINT_ADDR: 1649 printed += fprintf(fp, " %04x:", val); 1650 break; 1651 case BINARY_PRINT_NUM_DATA: 1652 printed += fprintf(fp, " %02x", val); 1653 break; 1654 case BINARY_PRINT_NUM_PAD: 1655 printed += fprintf(fp, " "); 1656 break; 1657 case BINARY_PRINT_SEP: 1658 printed += fprintf(fp, " "); 1659 break; 1660 case BINARY_PRINT_CHAR_DATA: 1661 if (printer_data->hit_nul && ch) 1662 printer_data->is_printable = false; 1663 1664 if (!isprint(ch)) { 1665 printed += fprintf(fp, "%c", '.'); 1666 1667 if (!printer_data->is_printable) 1668 break; 1669 1670 if (ch == '\0') 1671 printer_data->hit_nul = true; 1672 else 1673 printer_data->is_printable = false; 1674 } else { 1675 printed += fprintf(fp, "%c", ch); 1676 } 1677 break; 1678 case BINARY_PRINT_CHAR_PAD: 1679 printed += fprintf(fp, " "); 1680 break; 1681 case BINARY_PRINT_LINE_END: 1682 printed += fprintf(fp, "\n"); 1683 printer_data->line_no++; 1684 break; 1685 case BINARY_PRINT_DATA_END: 1686 default: 1687 break; 1688 } 1689 1690 return printed; 1691 } 1692 1693 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp) 1694 { 1695 unsigned int nr_bytes = sample->raw_size; 1696 struct printer_data printer_data = {0, false, true}; 1697 int printed = binary__fprintf(sample->raw_data, nr_bytes, 8, 1698 sample__fprintf_bpf_output, &printer_data, fp); 1699 1700 if (printer_data.is_printable && printer_data.hit_nul) 1701 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data)); 1702 1703 return printed; 1704 } 1705 1706 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp) 1707 { 1708 if (len > 0 && len < spacing) 1709 return fprintf(fp, "%*s", spacing - len, ""); 1710 1711 return 0; 1712 } 1713 1714 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp) 1715 { 1716 return perf_sample__fprintf_spacing(len, 34, fp); 1717 } 1718 1719 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp) 1720 { 1721 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample); 1722 int len; 1723 1724 if (perf_sample__bad_synth_size(sample, *data)) 1725 return 0; 1726 1727 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ", 1728 data->ip, le64_to_cpu(data->payload)); 1729 return len + perf_sample__fprintf_pt_spacing(len, fp); 1730 } 1731 1732 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp) 1733 { 1734 struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample); 1735 int len; 1736 1737 if (perf_sample__bad_synth_size(sample, *data)) 1738 return 0; 1739 1740 len = fprintf(fp, " hints: %#x extensions: %#x ", 1741 data->hints, data->extensions); 1742 return len + perf_sample__fprintf_pt_spacing(len, fp); 1743 } 1744 1745 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp) 1746 { 1747 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample); 1748 int len; 1749 1750 if (perf_sample__bad_synth_size(sample, *data)) 1751 return 0; 1752 1753 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ", 1754 data->hw, data->cstate, data->subcstate); 1755 return len + perf_sample__fprintf_pt_spacing(len, fp); 1756 } 1757 1758 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp) 1759 { 1760 struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample); 1761 int len; 1762 1763 if (perf_sample__bad_synth_size(sample, *data)) 1764 return 0; 1765 1766 len = fprintf(fp, " IP: %u ", data->ip); 1767 return len + perf_sample__fprintf_pt_spacing(len, fp); 1768 } 1769 1770 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp) 1771 { 1772 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample); 1773 int len; 1774 1775 if (perf_sample__bad_synth_size(sample, *data)) 1776 return 0; 1777 1778 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ", 1779 data->deepest_cstate, data->last_cstate, 1780 data->wake_reason); 1781 return len + perf_sample__fprintf_pt_spacing(len, fp); 1782 } 1783 1784 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp) 1785 { 1786 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample); 1787 unsigned int percent, freq; 1788 int len; 1789 1790 if (perf_sample__bad_synth_size(sample, *data)) 1791 return 0; 1792 1793 freq = (le32_to_cpu(data->freq) + 500) / 1000; 1794 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq); 1795 if (data->max_nonturbo) { 1796 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10; 1797 len += fprintf(fp, "(%3u%%) ", percent); 1798 } 1799 return len + perf_sample__fprintf_pt_spacing(len, fp); 1800 } 1801 1802 static int perf_sample__fprintf_synth_psb(struct perf_sample *sample, FILE *fp) 1803 { 1804 struct perf_synth_intel_psb *data = perf_sample__synth_ptr(sample); 1805 int len; 1806 1807 if (perf_sample__bad_synth_size(sample, *data)) 1808 return 0; 1809 1810 len = fprintf(fp, " psb offs: %#" PRIx64, data->offset); 1811 return len + perf_sample__fprintf_pt_spacing(len, fp); 1812 } 1813 1814 static int perf_sample__fprintf_synth(struct perf_sample *sample, 1815 struct evsel *evsel, FILE *fp) 1816 { 1817 switch (evsel->core.attr.config) { 1818 case PERF_SYNTH_INTEL_PTWRITE: 1819 return perf_sample__fprintf_synth_ptwrite(sample, fp); 1820 case PERF_SYNTH_INTEL_MWAIT: 1821 return perf_sample__fprintf_synth_mwait(sample, fp); 1822 case PERF_SYNTH_INTEL_PWRE: 1823 return perf_sample__fprintf_synth_pwre(sample, fp); 1824 case PERF_SYNTH_INTEL_EXSTOP: 1825 return perf_sample__fprintf_synth_exstop(sample, fp); 1826 case PERF_SYNTH_INTEL_PWRX: 1827 return perf_sample__fprintf_synth_pwrx(sample, fp); 1828 case PERF_SYNTH_INTEL_CBR: 1829 return perf_sample__fprintf_synth_cbr(sample, fp); 1830 case PERF_SYNTH_INTEL_PSB: 1831 return perf_sample__fprintf_synth_psb(sample, fp); 1832 default: 1833 break; 1834 } 1835 1836 return 0; 1837 } 1838 1839 static int evlist__max_name_len(struct evlist *evlist) 1840 { 1841 struct evsel *evsel; 1842 int max = 0; 1843 1844 evlist__for_each_entry(evlist, evsel) { 1845 int len = strlen(evsel__name(evsel)); 1846 1847 max = MAX(len, max); 1848 } 1849 1850 return max; 1851 } 1852 1853 static int data_src__fprintf(u64 data_src, FILE *fp) 1854 { 1855 struct mem_info mi = { .data_src.val = data_src }; 1856 char decode[100]; 1857 char out[100]; 1858 static int maxlen; 1859 int len; 1860 1861 perf_script__meminfo_scnprintf(decode, 100, &mi); 1862 1863 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode); 1864 if (maxlen < len) 1865 maxlen = len; 1866 1867 return fprintf(fp, "%-*s", maxlen, out); 1868 } 1869 1870 struct metric_ctx { 1871 struct perf_sample *sample; 1872 struct thread *thread; 1873 struct evsel *evsel; 1874 FILE *fp; 1875 }; 1876 1877 static void script_print_metric(struct perf_stat_config *config __maybe_unused, 1878 void *ctx, const char *color, 1879 const char *fmt, 1880 const char *unit, double val) 1881 { 1882 struct metric_ctx *mctx = ctx; 1883 1884 if (!fmt) 1885 return; 1886 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, 1887 PERF_RECORD_SAMPLE, mctx->fp); 1888 fputs("\tmetric: ", mctx->fp); 1889 if (color) 1890 color_fprintf(mctx->fp, color, fmt, val); 1891 else 1892 printf(fmt, val); 1893 fprintf(mctx->fp, " %s\n", unit); 1894 } 1895 1896 static void script_new_line(struct perf_stat_config *config __maybe_unused, 1897 void *ctx) 1898 { 1899 struct metric_ctx *mctx = ctx; 1900 1901 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, 1902 PERF_RECORD_SAMPLE, mctx->fp); 1903 fputs("\tmetric: ", mctx->fp); 1904 } 1905 1906 static void perf_sample__fprint_metric(struct perf_script *script, 1907 struct thread *thread, 1908 struct evsel *evsel, 1909 struct perf_sample *sample, 1910 FILE *fp) 1911 { 1912 struct evsel *leader = evsel__leader(evsel); 1913 struct perf_stat_output_ctx ctx = { 1914 .print_metric = script_print_metric, 1915 .new_line = script_new_line, 1916 .ctx = &(struct metric_ctx) { 1917 .sample = sample, 1918 .thread = thread, 1919 .evsel = evsel, 1920 .fp = fp, 1921 }, 1922 .force_header = false, 1923 }; 1924 struct evsel *ev2; 1925 u64 val; 1926 1927 if (!evsel->stats) 1928 evlist__alloc_stats(script->session->evlist, false); 1929 if (evsel_script(leader)->gnum++ == 0) 1930 perf_stat__reset_shadow_stats(); 1931 val = sample->period * evsel->scale; 1932 perf_stat__update_shadow_stats(evsel, 1933 val, 1934 sample->cpu, 1935 &rt_stat); 1936 evsel_script(evsel)->val = val; 1937 if (evsel_script(leader)->gnum == leader->core.nr_members) { 1938 for_each_group_member (ev2, leader) { 1939 perf_stat__print_shadow_stats(&stat_config, ev2, 1940 evsel_script(ev2)->val, 1941 sample->cpu, 1942 &ctx, 1943 NULL, 1944 &rt_stat); 1945 } 1946 evsel_script(leader)->gnum = 0; 1947 } 1948 } 1949 1950 static bool show_event(struct perf_sample *sample, 1951 struct evsel *evsel, 1952 struct thread *thread, 1953 struct addr_location *al, 1954 struct addr_location *addr_al) 1955 { 1956 int depth = thread_stack__depth(thread, sample->cpu); 1957 1958 if (!symbol_conf.graph_function) 1959 return true; 1960 1961 if (thread->filter) { 1962 if (depth <= thread->filter_entry_depth) { 1963 thread->filter = false; 1964 return false; 1965 } 1966 return true; 1967 } else { 1968 const char *s = symbol_conf.graph_function; 1969 u64 ip; 1970 const char *name = resolve_branch_sym(sample, evsel, thread, al, addr_al, 1971 &ip); 1972 unsigned nlen; 1973 1974 if (!name) 1975 return false; 1976 nlen = strlen(name); 1977 while (*s) { 1978 unsigned len = strcspn(s, ","); 1979 if (nlen == len && !strncmp(name, s, len)) { 1980 thread->filter = true; 1981 thread->filter_entry_depth = depth; 1982 return true; 1983 } 1984 s += len; 1985 if (*s == ',') 1986 s++; 1987 } 1988 return false; 1989 } 1990 } 1991 1992 static void process_event(struct perf_script *script, 1993 struct perf_sample *sample, struct evsel *evsel, 1994 struct addr_location *al, 1995 struct addr_location *addr_al, 1996 struct machine *machine) 1997 { 1998 struct thread *thread = al->thread; 1999 struct perf_event_attr *attr = &evsel->core.attr; 2000 unsigned int type = output_type(attr->type); 2001 struct evsel_script *es = evsel->priv; 2002 FILE *fp = es->fp; 2003 char str[PAGE_SIZE_NAME_LEN]; 2004 const char *arch = perf_env__arch(machine->env); 2005 2006 if (output[type].fields == 0) 2007 return; 2008 2009 ++es->samples; 2010 2011 perf_sample__fprintf_start(script, sample, thread, evsel, 2012 PERF_RECORD_SAMPLE, fp); 2013 2014 if (PRINT_FIELD(PERIOD)) 2015 fprintf(fp, "%10" PRIu64 " ", sample->period); 2016 2017 if (PRINT_FIELD(EVNAME)) { 2018 const char *evname = evsel__name(evsel); 2019 2020 if (!script->name_width) 2021 script->name_width = evlist__max_name_len(script->session->evlist); 2022 2023 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]"); 2024 } 2025 2026 if (print_flags) 2027 perf_sample__fprintf_flags(sample->flags, fp); 2028 2029 if (is_bts_event(attr)) { 2030 perf_sample__fprintf_bts(sample, evsel, thread, al, addr_al, machine, fp); 2031 return; 2032 } 2033 2034 if (PRINT_FIELD(TRACE) && sample->raw_data) { 2035 event_format__fprintf(evsel->tp_format, sample->cpu, 2036 sample->raw_data, sample->raw_size, fp); 2037 } 2038 2039 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH)) 2040 perf_sample__fprintf_synth(sample, evsel, fp); 2041 2042 if (PRINT_FIELD(ADDR)) 2043 perf_sample__fprintf_addr(sample, thread, attr, fp); 2044 2045 if (PRINT_FIELD(DATA_SRC)) 2046 data_src__fprintf(sample->data_src, fp); 2047 2048 if (PRINT_FIELD(WEIGHT)) 2049 fprintf(fp, "%16" PRIu64, sample->weight); 2050 2051 if (PRINT_FIELD(INS_LAT)) 2052 fprintf(fp, "%16" PRIu16, sample->ins_lat); 2053 2054 if (PRINT_FIELD(IP)) { 2055 struct callchain_cursor *cursor = NULL; 2056 2057 if (script->stitch_lbr) 2058 al->thread->lbr_stitch_enable = true; 2059 2060 if (symbol_conf.use_callchain && sample->callchain && 2061 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 2062 sample, NULL, NULL, scripting_max_stack) == 0) 2063 cursor = &callchain_cursor; 2064 2065 fputc(cursor ? '\n' : ' ', fp); 2066 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, 2067 symbol_conf.bt_stop_list, fp); 2068 } 2069 2070 if (PRINT_FIELD(IREGS)) 2071 perf_sample__fprintf_iregs(sample, attr, arch, fp); 2072 2073 if (PRINT_FIELD(UREGS)) 2074 perf_sample__fprintf_uregs(sample, attr, arch, fp); 2075 2076 if (PRINT_FIELD(BRSTACK)) 2077 perf_sample__fprintf_brstack(sample, thread, attr, fp); 2078 else if (PRINT_FIELD(BRSTACKSYM)) 2079 perf_sample__fprintf_brstacksym(sample, thread, attr, fp); 2080 else if (PRINT_FIELD(BRSTACKOFF)) 2081 perf_sample__fprintf_brstackoff(sample, thread, attr, fp); 2082 2083 if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT)) 2084 perf_sample__fprintf_bpf_output(sample, fp); 2085 perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 2086 2087 if (PRINT_FIELD(PHYS_ADDR)) 2088 fprintf(fp, "%16" PRIx64, sample->phys_addr); 2089 2090 if (PRINT_FIELD(DATA_PAGE_SIZE)) 2091 fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str)); 2092 2093 if (PRINT_FIELD(CODE_PAGE_SIZE)) 2094 fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str)); 2095 2096 perf_sample__fprintf_ipc(sample, attr, fp); 2097 2098 fprintf(fp, "\n"); 2099 2100 if (PRINT_FIELD(SRCCODE)) { 2101 if (map__fprintf_srccode(al->map, al->addr, stdout, 2102 &thread->srccode_state)) 2103 printf("\n"); 2104 } 2105 2106 if (PRINT_FIELD(METRIC)) 2107 perf_sample__fprint_metric(script, thread, evsel, sample, fp); 2108 2109 if (verbose) 2110 fflush(fp); 2111 } 2112 2113 static struct scripting_ops *scripting_ops; 2114 2115 static void __process_stat(struct evsel *counter, u64 tstamp) 2116 { 2117 int nthreads = perf_thread_map__nr(counter->core.threads); 2118 int idx, thread; 2119 struct perf_cpu cpu; 2120 static int header_printed; 2121 2122 if (counter->core.system_wide) 2123 nthreads = 1; 2124 2125 if (!header_printed) { 2126 printf("%3s %8s %15s %15s %15s %15s %s\n", 2127 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT"); 2128 header_printed = 1; 2129 } 2130 2131 for (thread = 0; thread < nthreads; thread++) { 2132 perf_cpu_map__for_each_cpu(cpu, idx, evsel__cpus(counter)) { 2133 struct perf_counts_values *counts; 2134 2135 counts = perf_counts(counter->counts, idx, thread); 2136 2137 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n", 2138 cpu.cpu, 2139 perf_thread_map__pid(counter->core.threads, thread), 2140 counts->val, 2141 counts->ena, 2142 counts->run, 2143 tstamp, 2144 evsel__name(counter)); 2145 } 2146 } 2147 } 2148 2149 static void process_stat(struct evsel *counter, u64 tstamp) 2150 { 2151 if (scripting_ops && scripting_ops->process_stat) 2152 scripting_ops->process_stat(&stat_config, counter, tstamp); 2153 else 2154 __process_stat(counter, tstamp); 2155 } 2156 2157 static void process_stat_interval(u64 tstamp) 2158 { 2159 if (scripting_ops && scripting_ops->process_stat_interval) 2160 scripting_ops->process_stat_interval(tstamp); 2161 } 2162 2163 static void setup_scripting(void) 2164 { 2165 setup_perl_scripting(); 2166 setup_python_scripting(); 2167 } 2168 2169 static int flush_scripting(void) 2170 { 2171 return scripting_ops ? scripting_ops->flush_script() : 0; 2172 } 2173 2174 static int cleanup_scripting(void) 2175 { 2176 pr_debug("\nperf script stopped\n"); 2177 2178 return scripting_ops ? scripting_ops->stop_script() : 0; 2179 } 2180 2181 static bool filter_cpu(struct perf_sample *sample) 2182 { 2183 if (cpu_list && sample->cpu != (u32)-1) 2184 return !test_bit(sample->cpu, cpu_bitmap); 2185 return false; 2186 } 2187 2188 static int process_sample_event(struct perf_tool *tool, 2189 union perf_event *event, 2190 struct perf_sample *sample, 2191 struct evsel *evsel, 2192 struct machine *machine) 2193 { 2194 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2195 struct addr_location al; 2196 struct addr_location addr_al; 2197 int ret = 0; 2198 2199 /* Set thread to NULL to indicate addr_al and al are not initialized */ 2200 addr_al.thread = NULL; 2201 al.thread = NULL; 2202 2203 ret = dlfilter__filter_event_early(dlfilter, event, sample, evsel, machine, &al, &addr_al); 2204 if (ret) { 2205 if (ret > 0) 2206 ret = 0; 2207 goto out_put; 2208 } 2209 2210 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num, 2211 sample->time)) { 2212 goto out_put; 2213 } 2214 2215 if (debug_mode) { 2216 if (sample->time < last_timestamp) { 2217 pr_err("Samples misordered, previous: %" PRIu64 2218 " this: %" PRIu64 "\n", last_timestamp, 2219 sample->time); 2220 nr_unordered++; 2221 } 2222 last_timestamp = sample->time; 2223 goto out_put; 2224 } 2225 2226 if (filter_cpu(sample)) 2227 goto out_put; 2228 2229 if (!al.thread && machine__resolve(machine, &al, sample) < 0) { 2230 pr_err("problem processing %d event, skipping it.\n", 2231 event->header.type); 2232 ret = -1; 2233 goto out_put; 2234 } 2235 2236 if (al.filtered) 2237 goto out_put; 2238 2239 if (!show_event(sample, evsel, al.thread, &al, &addr_al)) 2240 goto out_put; 2241 2242 if (evswitch__discard(&scr->evswitch, evsel)) 2243 goto out_put; 2244 2245 ret = dlfilter__filter_event(dlfilter, event, sample, evsel, machine, &al, &addr_al); 2246 if (ret) { 2247 if (ret > 0) 2248 ret = 0; 2249 goto out_put; 2250 } 2251 2252 if (scripting_ops) { 2253 struct addr_location *addr_al_ptr = NULL; 2254 2255 if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 2256 sample_addr_correlates_sym(&evsel->core.attr)) { 2257 if (!addr_al.thread) 2258 thread__resolve(al.thread, &addr_al, sample); 2259 addr_al_ptr = &addr_al; 2260 } 2261 scripting_ops->process_event(event, sample, evsel, &al, addr_al_ptr); 2262 } else { 2263 process_event(scr, sample, evsel, &al, &addr_al, machine); 2264 } 2265 2266 out_put: 2267 if (al.thread) 2268 addr_location__put(&al); 2269 return ret; 2270 } 2271 2272 static int process_attr(struct perf_tool *tool, union perf_event *event, 2273 struct evlist **pevlist) 2274 { 2275 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2276 struct evlist *evlist; 2277 struct evsel *evsel, *pos; 2278 u64 sample_type; 2279 int err; 2280 static struct evsel_script *es; 2281 2282 err = perf_event__process_attr(tool, event, pevlist); 2283 if (err) 2284 return err; 2285 2286 evlist = *pevlist; 2287 evsel = evlist__last(*pevlist); 2288 2289 if (!evsel->priv) { 2290 if (scr->per_event_dump) { 2291 evsel->priv = evsel_script__new(evsel, scr->session->data); 2292 } else { 2293 es = zalloc(sizeof(*es)); 2294 if (!es) 2295 return -ENOMEM; 2296 es->fp = stdout; 2297 evsel->priv = es; 2298 } 2299 } 2300 2301 if (evsel->core.attr.type >= PERF_TYPE_MAX && 2302 evsel->core.attr.type != PERF_TYPE_SYNTH) 2303 return 0; 2304 2305 evlist__for_each_entry(evlist, pos) { 2306 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel) 2307 return 0; 2308 } 2309 2310 if (evsel->core.attr.sample_type) { 2311 err = evsel__check_attr(evsel, scr->session); 2312 if (err) 2313 return err; 2314 } 2315 2316 /* 2317 * Check if we need to enable callchains based 2318 * on events sample_type. 2319 */ 2320 sample_type = evlist__combined_sample_type(evlist); 2321 callchain_param_setup(sample_type, perf_env__arch((*pevlist)->env)); 2322 2323 /* Enable fields for callchain entries */ 2324 if (symbol_conf.use_callchain && 2325 (sample_type & PERF_SAMPLE_CALLCHAIN || 2326 sample_type & PERF_SAMPLE_BRANCH_STACK || 2327 (sample_type & PERF_SAMPLE_REGS_USER && 2328 sample_type & PERF_SAMPLE_STACK_USER))) { 2329 int type = output_type(evsel->core.attr.type); 2330 2331 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP)) 2332 output[type].fields |= PERF_OUTPUT_IP; 2333 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM)) 2334 output[type].fields |= PERF_OUTPUT_SYM; 2335 } 2336 set_print_ip_opts(&evsel->core.attr); 2337 return 0; 2338 } 2339 2340 static int print_event_with_time(struct perf_tool *tool, 2341 union perf_event *event, 2342 struct perf_sample *sample, 2343 struct machine *machine, 2344 pid_t pid, pid_t tid, u64 timestamp) 2345 { 2346 struct perf_script *script = container_of(tool, struct perf_script, tool); 2347 struct perf_session *session = script->session; 2348 struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id); 2349 struct thread *thread = NULL; 2350 2351 if (evsel && !evsel->core.attr.sample_id_all) { 2352 sample->cpu = 0; 2353 sample->time = timestamp; 2354 sample->pid = pid; 2355 sample->tid = tid; 2356 } 2357 2358 if (filter_cpu(sample)) 2359 return 0; 2360 2361 if (tid != -1) 2362 thread = machine__findnew_thread(machine, pid, tid); 2363 2364 if (evsel) { 2365 perf_sample__fprintf_start(script, sample, thread, evsel, 2366 event->header.type, stdout); 2367 } 2368 2369 perf_event__fprintf(event, machine, stdout); 2370 2371 thread__put(thread); 2372 2373 return 0; 2374 } 2375 2376 static int print_event(struct perf_tool *tool, union perf_event *event, 2377 struct perf_sample *sample, struct machine *machine, 2378 pid_t pid, pid_t tid) 2379 { 2380 return print_event_with_time(tool, event, sample, machine, pid, tid, 0); 2381 } 2382 2383 static int process_comm_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_comm(tool, event, sample, machine) < 0) 2389 return -1; 2390 2391 return print_event(tool, event, sample, machine, event->comm.pid, 2392 event->comm.tid); 2393 } 2394 2395 static int process_namespaces_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_namespaces(tool, event, sample, machine) < 0) 2401 return -1; 2402 2403 return print_event(tool, event, sample, machine, event->namespaces.pid, 2404 event->namespaces.tid); 2405 } 2406 2407 static int process_cgroup_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_cgroup(tool, event, sample, machine) < 0) 2413 return -1; 2414 2415 return print_event(tool, event, sample, machine, sample->pid, 2416 sample->tid); 2417 } 2418 2419 static int process_fork_event(struct perf_tool *tool, 2420 union perf_event *event, 2421 struct perf_sample *sample, 2422 struct machine *machine) 2423 { 2424 if (perf_event__process_fork(tool, event, sample, machine) < 0) 2425 return -1; 2426 2427 return print_event_with_time(tool, event, sample, machine, 2428 event->fork.pid, event->fork.tid, 2429 event->fork.time); 2430 } 2431 static int process_exit_event(struct perf_tool *tool, 2432 union perf_event *event, 2433 struct perf_sample *sample, 2434 struct machine *machine) 2435 { 2436 /* Print before 'exit' deletes anything */ 2437 if (print_event_with_time(tool, event, sample, machine, event->fork.pid, 2438 event->fork.tid, event->fork.time)) 2439 return -1; 2440 2441 return perf_event__process_exit(tool, event, sample, machine); 2442 } 2443 2444 static int process_mmap_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_mmap(tool, event, sample, machine) < 0) 2450 return -1; 2451 2452 return print_event(tool, event, sample, machine, event->mmap.pid, 2453 event->mmap.tid); 2454 } 2455 2456 static int process_mmap2_event(struct perf_tool *tool, 2457 union perf_event *event, 2458 struct perf_sample *sample, 2459 struct machine *machine) 2460 { 2461 if (perf_event__process_mmap2(tool, event, sample, machine) < 0) 2462 return -1; 2463 2464 return print_event(tool, event, sample, machine, event->mmap2.pid, 2465 event->mmap2.tid); 2466 } 2467 2468 static int process_switch_event(struct perf_tool *tool, 2469 union perf_event *event, 2470 struct perf_sample *sample, 2471 struct machine *machine) 2472 { 2473 struct perf_script *script = container_of(tool, struct perf_script, tool); 2474 2475 if (perf_event__process_switch(tool, event, sample, machine) < 0) 2476 return -1; 2477 2478 if (scripting_ops && scripting_ops->process_switch && !filter_cpu(sample)) 2479 scripting_ops->process_switch(event, sample, machine); 2480 2481 if (!script->show_switch_events) 2482 return 0; 2483 2484 return print_event(tool, event, sample, machine, sample->pid, 2485 sample->tid); 2486 } 2487 2488 static int process_auxtrace_error(struct perf_session *session, 2489 union perf_event *event) 2490 { 2491 if (scripting_ops && scripting_ops->process_auxtrace_error) { 2492 scripting_ops->process_auxtrace_error(session, event); 2493 return 0; 2494 } 2495 2496 return perf_event__process_auxtrace_error(session, event); 2497 } 2498 2499 static int 2500 process_lost_event(struct perf_tool *tool, 2501 union perf_event *event, 2502 struct perf_sample *sample, 2503 struct machine *machine) 2504 { 2505 return print_event(tool, event, sample, machine, sample->pid, 2506 sample->tid); 2507 } 2508 2509 static int 2510 process_throttle_event(struct perf_tool *tool __maybe_unused, 2511 union perf_event *event, 2512 struct perf_sample *sample, 2513 struct machine *machine) 2514 { 2515 if (scripting_ops && scripting_ops->process_throttle) 2516 scripting_ops->process_throttle(event, sample, machine); 2517 return 0; 2518 } 2519 2520 static int 2521 process_finished_round_event(struct perf_tool *tool __maybe_unused, 2522 union perf_event *event, 2523 struct ordered_events *oe __maybe_unused) 2524 2525 { 2526 perf_event__fprintf(event, NULL, stdout); 2527 return 0; 2528 } 2529 2530 static int 2531 process_bpf_events(struct perf_tool *tool __maybe_unused, 2532 union perf_event *event, 2533 struct perf_sample *sample, 2534 struct machine *machine) 2535 { 2536 if (machine__process_ksymbol(machine, event, sample) < 0) 2537 return -1; 2538 2539 return print_event(tool, event, sample, machine, sample->pid, 2540 sample->tid); 2541 } 2542 2543 static int process_text_poke_events(struct perf_tool *tool, 2544 union perf_event *event, 2545 struct perf_sample *sample, 2546 struct machine *machine) 2547 { 2548 if (perf_event__process_text_poke(tool, event, sample, machine) < 0) 2549 return -1; 2550 2551 return print_event(tool, event, sample, machine, sample->pid, 2552 sample->tid); 2553 } 2554 2555 static void sig_handler(int sig __maybe_unused) 2556 { 2557 session_done = 1; 2558 } 2559 2560 static void perf_script__fclose_per_event_dump(struct perf_script *script) 2561 { 2562 struct evlist *evlist = script->session->evlist; 2563 struct evsel *evsel; 2564 2565 evlist__for_each_entry(evlist, evsel) { 2566 if (!evsel->priv) 2567 break; 2568 evsel_script__delete(evsel->priv); 2569 evsel->priv = NULL; 2570 } 2571 } 2572 2573 static int perf_script__fopen_per_event_dump(struct perf_script *script) 2574 { 2575 struct evsel *evsel; 2576 2577 evlist__for_each_entry(script->session->evlist, evsel) { 2578 /* 2579 * Already setup? I.e. we may be called twice in cases like 2580 * Intel PT, one for the intel_pt// and dummy events, then 2581 * for the evsels synthesized from the auxtrace info. 2582 * 2583 * Ses perf_script__process_auxtrace_info. 2584 */ 2585 if (evsel->priv != NULL) 2586 continue; 2587 2588 evsel->priv = evsel_script__new(evsel, script->session->data); 2589 if (evsel->priv == NULL) 2590 goto out_err_fclose; 2591 } 2592 2593 return 0; 2594 2595 out_err_fclose: 2596 perf_script__fclose_per_event_dump(script); 2597 return -1; 2598 } 2599 2600 static int perf_script__setup_per_event_dump(struct perf_script *script) 2601 { 2602 struct evsel *evsel; 2603 static struct evsel_script es_stdout; 2604 2605 if (script->per_event_dump) 2606 return perf_script__fopen_per_event_dump(script); 2607 2608 es_stdout.fp = stdout; 2609 2610 evlist__for_each_entry(script->session->evlist, evsel) 2611 evsel->priv = &es_stdout; 2612 2613 return 0; 2614 } 2615 2616 static void perf_script__exit_per_event_dump_stats(struct perf_script *script) 2617 { 2618 struct evsel *evsel; 2619 2620 evlist__for_each_entry(script->session->evlist, evsel) { 2621 struct evsel_script *es = evsel->priv; 2622 2623 evsel_script__fprintf(es, stdout); 2624 evsel_script__delete(es); 2625 evsel->priv = NULL; 2626 } 2627 } 2628 2629 static void perf_script__exit(struct perf_script *script) 2630 { 2631 perf_thread_map__put(script->threads); 2632 perf_cpu_map__put(script->cpus); 2633 } 2634 2635 static int __cmd_script(struct perf_script *script) 2636 { 2637 int ret; 2638 2639 signal(SIGINT, sig_handler); 2640 2641 perf_stat__init_shadow_stats(); 2642 2643 /* override event processing functions */ 2644 if (script->show_task_events) { 2645 script->tool.comm = process_comm_event; 2646 script->tool.fork = process_fork_event; 2647 script->tool.exit = process_exit_event; 2648 } 2649 if (script->show_mmap_events) { 2650 script->tool.mmap = process_mmap_event; 2651 script->tool.mmap2 = process_mmap2_event; 2652 } 2653 if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch)) 2654 script->tool.context_switch = process_switch_event; 2655 if (scripting_ops && scripting_ops->process_auxtrace_error) 2656 script->tool.auxtrace_error = process_auxtrace_error; 2657 if (script->show_namespace_events) 2658 script->tool.namespaces = process_namespaces_event; 2659 if (script->show_cgroup_events) 2660 script->tool.cgroup = process_cgroup_event; 2661 if (script->show_lost_events) 2662 script->tool.lost = process_lost_event; 2663 if (script->show_round_events) { 2664 script->tool.ordered_events = false; 2665 script->tool.finished_round = process_finished_round_event; 2666 } 2667 if (script->show_bpf_events) { 2668 script->tool.ksymbol = process_bpf_events; 2669 script->tool.bpf = process_bpf_events; 2670 } 2671 if (script->show_text_poke_events) { 2672 script->tool.ksymbol = process_bpf_events; 2673 script->tool.text_poke = process_text_poke_events; 2674 } 2675 2676 if (perf_script__setup_per_event_dump(script)) { 2677 pr_err("Couldn't create the per event dump files\n"); 2678 return -1; 2679 } 2680 2681 ret = perf_session__process_events(script->session); 2682 2683 if (script->per_event_dump) 2684 perf_script__exit_per_event_dump_stats(script); 2685 2686 if (debug_mode) 2687 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); 2688 2689 return ret; 2690 } 2691 2692 struct script_spec { 2693 struct list_head node; 2694 struct scripting_ops *ops; 2695 char spec[]; 2696 }; 2697 2698 static LIST_HEAD(script_specs); 2699 2700 static struct script_spec *script_spec__new(const char *spec, 2701 struct scripting_ops *ops) 2702 { 2703 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); 2704 2705 if (s != NULL) { 2706 strcpy(s->spec, spec); 2707 s->ops = ops; 2708 } 2709 2710 return s; 2711 } 2712 2713 static void script_spec__add(struct script_spec *s) 2714 { 2715 list_add_tail(&s->node, &script_specs); 2716 } 2717 2718 static struct script_spec *script_spec__find(const char *spec) 2719 { 2720 struct script_spec *s; 2721 2722 list_for_each_entry(s, &script_specs, node) 2723 if (strcasecmp(s->spec, spec) == 0) 2724 return s; 2725 return NULL; 2726 } 2727 2728 int script_spec_register(const char *spec, struct scripting_ops *ops) 2729 { 2730 struct script_spec *s; 2731 2732 s = script_spec__find(spec); 2733 if (s) 2734 return -1; 2735 2736 s = script_spec__new(spec, ops); 2737 if (!s) 2738 return -1; 2739 else 2740 script_spec__add(s); 2741 2742 return 0; 2743 } 2744 2745 static struct scripting_ops *script_spec__lookup(const char *spec) 2746 { 2747 struct script_spec *s = script_spec__find(spec); 2748 if (!s) 2749 return NULL; 2750 2751 return s->ops; 2752 } 2753 2754 static void list_available_languages(void) 2755 { 2756 struct script_spec *s; 2757 2758 fprintf(stderr, "\n"); 2759 fprintf(stderr, "Scripting language extensions (used in " 2760 "perf script -s [spec:]script.[spec]):\n\n"); 2761 2762 list_for_each_entry(s, &script_specs, node) 2763 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); 2764 2765 fprintf(stderr, "\n"); 2766 } 2767 2768 /* Find script file relative to current directory or exec path */ 2769 static char *find_script(const char *script) 2770 { 2771 char path[PATH_MAX]; 2772 2773 if (!scripting_ops) { 2774 const char *ext = strrchr(script, '.'); 2775 2776 if (!ext) 2777 return NULL; 2778 2779 scripting_ops = script_spec__lookup(++ext); 2780 if (!scripting_ops) 2781 return NULL; 2782 } 2783 2784 if (access(script, R_OK)) { 2785 char *exec_path = get_argv_exec_path(); 2786 2787 if (!exec_path) 2788 return NULL; 2789 snprintf(path, sizeof(path), "%s/scripts/%s/%s", 2790 exec_path, scripting_ops->dirname, script); 2791 free(exec_path); 2792 script = path; 2793 if (access(script, R_OK)) 2794 return NULL; 2795 } 2796 return strdup(script); 2797 } 2798 2799 static int parse_scriptname(const struct option *opt __maybe_unused, 2800 const char *str, int unset __maybe_unused) 2801 { 2802 char spec[PATH_MAX]; 2803 const char *script, *ext; 2804 int len; 2805 2806 if (strcmp(str, "lang") == 0) { 2807 list_available_languages(); 2808 exit(0); 2809 } 2810 2811 script = strchr(str, ':'); 2812 if (script) { 2813 len = script - str; 2814 if (len >= PATH_MAX) { 2815 fprintf(stderr, "invalid language specifier"); 2816 return -1; 2817 } 2818 strncpy(spec, str, len); 2819 spec[len] = '\0'; 2820 scripting_ops = script_spec__lookup(spec); 2821 if (!scripting_ops) { 2822 fprintf(stderr, "invalid language specifier"); 2823 return -1; 2824 } 2825 script++; 2826 } else { 2827 script = str; 2828 ext = strrchr(script, '.'); 2829 if (!ext) { 2830 fprintf(stderr, "invalid script extension"); 2831 return -1; 2832 } 2833 scripting_ops = script_spec__lookup(++ext); 2834 if (!scripting_ops) { 2835 fprintf(stderr, "invalid script extension"); 2836 return -1; 2837 } 2838 } 2839 2840 script_name = find_script(script); 2841 if (!script_name) 2842 script_name = strdup(script); 2843 2844 return 0; 2845 } 2846 2847 static int parse_output_fields(const struct option *opt __maybe_unused, 2848 const char *arg, int unset __maybe_unused) 2849 { 2850 char *tok, *strtok_saveptr = NULL; 2851 int i, imax = ARRAY_SIZE(all_output_options); 2852 int j; 2853 int rc = 0; 2854 char *str = strdup(arg); 2855 int type = -1; 2856 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT; 2857 2858 if (!str) 2859 return -ENOMEM; 2860 2861 /* first word can state for which event type the user is specifying 2862 * the fields. If no type exists, the specified fields apply to all 2863 * event types found in the file minus the invalid fields for a type. 2864 */ 2865 tok = strchr(str, ':'); 2866 if (tok) { 2867 *tok = '\0'; 2868 tok++; 2869 if (!strcmp(str, "hw")) 2870 type = PERF_TYPE_HARDWARE; 2871 else if (!strcmp(str, "sw")) 2872 type = PERF_TYPE_SOFTWARE; 2873 else if (!strcmp(str, "trace")) 2874 type = PERF_TYPE_TRACEPOINT; 2875 else if (!strcmp(str, "raw")) 2876 type = PERF_TYPE_RAW; 2877 else if (!strcmp(str, "break")) 2878 type = PERF_TYPE_BREAKPOINT; 2879 else if (!strcmp(str, "synth")) 2880 type = OUTPUT_TYPE_SYNTH; 2881 else { 2882 fprintf(stderr, "Invalid event type in field string.\n"); 2883 rc = -EINVAL; 2884 goto out; 2885 } 2886 2887 if (output[type].user_set) 2888 pr_warning("Overriding previous field request for %s events.\n", 2889 event_type(type)); 2890 2891 /* Don't override defaults for +- */ 2892 if (strchr(tok, '+') || strchr(tok, '-')) 2893 goto parse; 2894 2895 output[type].fields = 0; 2896 output[type].user_set = true; 2897 output[type].wildcard_set = false; 2898 2899 } else { 2900 tok = str; 2901 if (strlen(str) == 0) { 2902 fprintf(stderr, 2903 "Cannot set fields to 'none' for all event types.\n"); 2904 rc = -EINVAL; 2905 goto out; 2906 } 2907 2908 /* Don't override defaults for +- */ 2909 if (strchr(str, '+') || strchr(str, '-')) 2910 goto parse; 2911 2912 if (output_set_by_user()) 2913 pr_warning("Overriding previous field request for all events.\n"); 2914 2915 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 2916 output[j].fields = 0; 2917 output[j].user_set = true; 2918 output[j].wildcard_set = true; 2919 } 2920 } 2921 2922 parse: 2923 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) { 2924 if (*tok == '+') { 2925 if (change == SET) 2926 goto out_badmix; 2927 change = ADD; 2928 tok++; 2929 } else if (*tok == '-') { 2930 if (change == SET) 2931 goto out_badmix; 2932 change = REMOVE; 2933 tok++; 2934 } else { 2935 if (change != SET && change != DEFAULT) 2936 goto out_badmix; 2937 change = SET; 2938 } 2939 2940 for (i = 0; i < imax; ++i) { 2941 if (strcmp(tok, all_output_options[i].str) == 0) 2942 break; 2943 } 2944 if (i == imax && strcmp(tok, "flags") == 0) { 2945 print_flags = change != REMOVE; 2946 continue; 2947 } 2948 if (i == imax) { 2949 fprintf(stderr, "Invalid field requested.\n"); 2950 rc = -EINVAL; 2951 goto out; 2952 } 2953 2954 if (type == -1) { 2955 /* add user option to all events types for 2956 * which it is valid 2957 */ 2958 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 2959 if (output[j].invalid_fields & all_output_options[i].field) { 2960 pr_warning("\'%s\' not valid for %s events. Ignoring.\n", 2961 all_output_options[i].str, event_type(j)); 2962 } else { 2963 if (change == REMOVE) { 2964 output[j].fields &= ~all_output_options[i].field; 2965 output[j].user_set_fields &= ~all_output_options[i].field; 2966 output[j].user_unset_fields |= all_output_options[i].field; 2967 } else { 2968 output[j].fields |= all_output_options[i].field; 2969 output[j].user_set_fields |= all_output_options[i].field; 2970 output[j].user_unset_fields &= ~all_output_options[i].field; 2971 } 2972 output[j].user_set = true; 2973 output[j].wildcard_set = true; 2974 } 2975 } 2976 } else { 2977 if (output[type].invalid_fields & all_output_options[i].field) { 2978 fprintf(stderr, "\'%s\' not valid for %s events.\n", 2979 all_output_options[i].str, event_type(type)); 2980 2981 rc = -EINVAL; 2982 goto out; 2983 } 2984 if (change == REMOVE) 2985 output[type].fields &= ~all_output_options[i].field; 2986 else 2987 output[type].fields |= all_output_options[i].field; 2988 output[type].user_set = true; 2989 output[type].wildcard_set = true; 2990 } 2991 } 2992 2993 if (type >= 0) { 2994 if (output[type].fields == 0) { 2995 pr_debug("No fields requested for %s type. " 2996 "Events will not be displayed.\n", event_type(type)); 2997 } 2998 } 2999 goto out; 3000 3001 out_badmix: 3002 fprintf(stderr, "Cannot mix +-field with overridden fields\n"); 3003 rc = -EINVAL; 3004 out: 3005 free(str); 3006 return rc; 3007 } 3008 3009 #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \ 3010 while ((lang_dirent = readdir(scripts_dir)) != NULL) \ 3011 if ((lang_dirent->d_type == DT_DIR || \ 3012 (lang_dirent->d_type == DT_UNKNOWN && \ 3013 is_directory(scripts_path, lang_dirent))) && \ 3014 (strcmp(lang_dirent->d_name, ".")) && \ 3015 (strcmp(lang_dirent->d_name, ".."))) 3016 3017 #define for_each_script(lang_path, lang_dir, script_dirent) \ 3018 while ((script_dirent = readdir(lang_dir)) != NULL) \ 3019 if (script_dirent->d_type != DT_DIR && \ 3020 (script_dirent->d_type != DT_UNKNOWN || \ 3021 !is_directory(lang_path, script_dirent))) 3022 3023 3024 #define RECORD_SUFFIX "-record" 3025 #define REPORT_SUFFIX "-report" 3026 3027 struct script_desc { 3028 struct list_head node; 3029 char *name; 3030 char *half_liner; 3031 char *args; 3032 }; 3033 3034 static LIST_HEAD(script_descs); 3035 3036 static struct script_desc *script_desc__new(const char *name) 3037 { 3038 struct script_desc *s = zalloc(sizeof(*s)); 3039 3040 if (s != NULL && name) 3041 s->name = strdup(name); 3042 3043 return s; 3044 } 3045 3046 static void script_desc__delete(struct script_desc *s) 3047 { 3048 zfree(&s->name); 3049 zfree(&s->half_liner); 3050 zfree(&s->args); 3051 free(s); 3052 } 3053 3054 static void script_desc__add(struct script_desc *s) 3055 { 3056 list_add_tail(&s->node, &script_descs); 3057 } 3058 3059 static struct script_desc *script_desc__find(const char *name) 3060 { 3061 struct script_desc *s; 3062 3063 list_for_each_entry(s, &script_descs, node) 3064 if (strcasecmp(s->name, name) == 0) 3065 return s; 3066 return NULL; 3067 } 3068 3069 static struct script_desc *script_desc__findnew(const char *name) 3070 { 3071 struct script_desc *s = script_desc__find(name); 3072 3073 if (s) 3074 return s; 3075 3076 s = script_desc__new(name); 3077 if (!s) 3078 return NULL; 3079 3080 script_desc__add(s); 3081 3082 return s; 3083 } 3084 3085 static const char *ends_with(const char *str, const char *suffix) 3086 { 3087 size_t suffix_len = strlen(suffix); 3088 const char *p = str; 3089 3090 if (strlen(str) > suffix_len) { 3091 p = str + strlen(str) - suffix_len; 3092 if (!strncmp(p, suffix, suffix_len)) 3093 return p; 3094 } 3095 3096 return NULL; 3097 } 3098 3099 static int read_script_info(struct script_desc *desc, const char *filename) 3100 { 3101 char line[BUFSIZ], *p; 3102 FILE *fp; 3103 3104 fp = fopen(filename, "r"); 3105 if (!fp) 3106 return -1; 3107 3108 while (fgets(line, sizeof(line), fp)) { 3109 p = skip_spaces(line); 3110 if (strlen(p) == 0) 3111 continue; 3112 if (*p != '#') 3113 continue; 3114 p++; 3115 if (strlen(p) && *p == '!') 3116 continue; 3117 3118 p = skip_spaces(p); 3119 if (strlen(p) && p[strlen(p) - 1] == '\n') 3120 p[strlen(p) - 1] = '\0'; 3121 3122 if (!strncmp(p, "description:", strlen("description:"))) { 3123 p += strlen("description:"); 3124 desc->half_liner = strdup(skip_spaces(p)); 3125 continue; 3126 } 3127 3128 if (!strncmp(p, "args:", strlen("args:"))) { 3129 p += strlen("args:"); 3130 desc->args = strdup(skip_spaces(p)); 3131 continue; 3132 } 3133 } 3134 3135 fclose(fp); 3136 3137 return 0; 3138 } 3139 3140 static char *get_script_root(struct dirent *script_dirent, const char *suffix) 3141 { 3142 char *script_root, *str; 3143 3144 script_root = strdup(script_dirent->d_name); 3145 if (!script_root) 3146 return NULL; 3147 3148 str = (char *)ends_with(script_root, suffix); 3149 if (!str) { 3150 free(script_root); 3151 return NULL; 3152 } 3153 3154 *str = '\0'; 3155 return script_root; 3156 } 3157 3158 static int list_available_scripts(const struct option *opt __maybe_unused, 3159 const char *s __maybe_unused, 3160 int unset __maybe_unused) 3161 { 3162 struct dirent *script_dirent, *lang_dirent; 3163 char scripts_path[MAXPATHLEN]; 3164 DIR *scripts_dir, *lang_dir; 3165 char script_path[MAXPATHLEN]; 3166 char lang_path[MAXPATHLEN]; 3167 struct script_desc *desc; 3168 char first_half[BUFSIZ]; 3169 char *script_root; 3170 3171 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3172 3173 scripts_dir = opendir(scripts_path); 3174 if (!scripts_dir) { 3175 fprintf(stdout, 3176 "open(%s) failed.\n" 3177 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n", 3178 scripts_path); 3179 exit(-1); 3180 } 3181 3182 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3183 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3184 lang_dirent->d_name); 3185 lang_dir = opendir(lang_path); 3186 if (!lang_dir) 3187 continue; 3188 3189 for_each_script(lang_path, lang_dir, script_dirent) { 3190 script_root = get_script_root(script_dirent, REPORT_SUFFIX); 3191 if (script_root) { 3192 desc = script_desc__findnew(script_root); 3193 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3194 lang_path, script_dirent->d_name); 3195 read_script_info(desc, script_path); 3196 free(script_root); 3197 } 3198 } 3199 } 3200 3201 fprintf(stdout, "List of available trace scripts:\n"); 3202 list_for_each_entry(desc, &script_descs, node) { 3203 sprintf(first_half, "%s %s", desc->name, 3204 desc->args ? desc->args : ""); 3205 fprintf(stdout, " %-36s %s\n", first_half, 3206 desc->half_liner ? desc->half_liner : ""); 3207 } 3208 3209 exit(0); 3210 } 3211 3212 static int add_dlarg(const struct option *opt __maybe_unused, 3213 const char *s, int unset __maybe_unused) 3214 { 3215 char *arg = strdup(s); 3216 void *a; 3217 3218 if (!arg) 3219 return -1; 3220 3221 a = realloc(dlargv, sizeof(dlargv[0]) * (dlargc + 1)); 3222 if (!a) { 3223 free(arg); 3224 return -1; 3225 } 3226 3227 dlargv = a; 3228 dlargv[dlargc++] = arg; 3229 3230 return 0; 3231 } 3232 3233 static void free_dlarg(void) 3234 { 3235 while (dlargc--) 3236 free(dlargv[dlargc]); 3237 free(dlargv); 3238 } 3239 3240 /* 3241 * Some scripts specify the required events in their "xxx-record" file, 3242 * this function will check if the events in perf.data match those 3243 * mentioned in the "xxx-record". 3244 * 3245 * Fixme: All existing "xxx-record" are all in good formats "-e event ", 3246 * which is covered well now. And new parsing code should be added to 3247 * cover the future complex formats like event groups etc. 3248 */ 3249 static int check_ev_match(char *dir_name, char *scriptname, 3250 struct perf_session *session) 3251 { 3252 char filename[MAXPATHLEN], evname[128]; 3253 char line[BUFSIZ], *p; 3254 struct evsel *pos; 3255 int match, len; 3256 FILE *fp; 3257 3258 scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname); 3259 3260 fp = fopen(filename, "r"); 3261 if (!fp) 3262 return -1; 3263 3264 while (fgets(line, sizeof(line), fp)) { 3265 p = skip_spaces(line); 3266 if (*p == '#') 3267 continue; 3268 3269 while (strlen(p)) { 3270 p = strstr(p, "-e"); 3271 if (!p) 3272 break; 3273 3274 p += 2; 3275 p = skip_spaces(p); 3276 len = strcspn(p, " \t"); 3277 if (!len) 3278 break; 3279 3280 snprintf(evname, len + 1, "%s", p); 3281 3282 match = 0; 3283 evlist__for_each_entry(session->evlist, pos) { 3284 if (!strcmp(evsel__name(pos), evname)) { 3285 match = 1; 3286 break; 3287 } 3288 } 3289 3290 if (!match) { 3291 fclose(fp); 3292 return -1; 3293 } 3294 } 3295 } 3296 3297 fclose(fp); 3298 return 0; 3299 } 3300 3301 /* 3302 * Return -1 if none is found, otherwise the actual scripts number. 3303 * 3304 * Currently the only user of this function is the script browser, which 3305 * will list all statically runnable scripts, select one, execute it and 3306 * show the output in a perf browser. 3307 */ 3308 int find_scripts(char **scripts_array, char **scripts_path_array, int num, 3309 int pathlen) 3310 { 3311 struct dirent *script_dirent, *lang_dirent; 3312 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; 3313 DIR *scripts_dir, *lang_dir; 3314 struct perf_session *session; 3315 struct perf_data data = { 3316 .path = input_name, 3317 .mode = PERF_DATA_MODE_READ, 3318 }; 3319 char *temp; 3320 int i = 0; 3321 3322 session = perf_session__new(&data, NULL); 3323 if (IS_ERR(session)) 3324 return PTR_ERR(session); 3325 3326 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3327 3328 scripts_dir = opendir(scripts_path); 3329 if (!scripts_dir) { 3330 perf_session__delete(session); 3331 return -1; 3332 } 3333 3334 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3335 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, 3336 lang_dirent->d_name); 3337 #ifndef HAVE_LIBPERL_SUPPORT 3338 if (strstr(lang_path, "perl")) 3339 continue; 3340 #endif 3341 #ifndef HAVE_LIBPYTHON_SUPPORT 3342 if (strstr(lang_path, "python")) 3343 continue; 3344 #endif 3345 3346 lang_dir = opendir(lang_path); 3347 if (!lang_dir) 3348 continue; 3349 3350 for_each_script(lang_path, lang_dir, script_dirent) { 3351 /* Skip those real time scripts: xxxtop.p[yl] */ 3352 if (strstr(script_dirent->d_name, "top.")) 3353 continue; 3354 if (i >= num) 3355 break; 3356 snprintf(scripts_path_array[i], pathlen, "%s/%s", 3357 lang_path, 3358 script_dirent->d_name); 3359 temp = strchr(script_dirent->d_name, '.'); 3360 snprintf(scripts_array[i], 3361 (temp - script_dirent->d_name) + 1, 3362 "%s", script_dirent->d_name); 3363 3364 if (check_ev_match(lang_path, 3365 scripts_array[i], session)) 3366 continue; 3367 3368 i++; 3369 } 3370 closedir(lang_dir); 3371 } 3372 3373 closedir(scripts_dir); 3374 perf_session__delete(session); 3375 return i; 3376 } 3377 3378 static char *get_script_path(const char *script_root, const char *suffix) 3379 { 3380 struct dirent *script_dirent, *lang_dirent; 3381 char scripts_path[MAXPATHLEN]; 3382 char script_path[MAXPATHLEN]; 3383 DIR *scripts_dir, *lang_dir; 3384 char lang_path[MAXPATHLEN]; 3385 char *__script_root; 3386 3387 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3388 3389 scripts_dir = opendir(scripts_path); 3390 if (!scripts_dir) 3391 return NULL; 3392 3393 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3394 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3395 lang_dirent->d_name); 3396 lang_dir = opendir(lang_path); 3397 if (!lang_dir) 3398 continue; 3399 3400 for_each_script(lang_path, lang_dir, script_dirent) { 3401 __script_root = get_script_root(script_dirent, suffix); 3402 if (__script_root && !strcmp(script_root, __script_root)) { 3403 free(__script_root); 3404 closedir(scripts_dir); 3405 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3406 lang_path, script_dirent->d_name); 3407 closedir(lang_dir); 3408 return strdup(script_path); 3409 } 3410 free(__script_root); 3411 } 3412 closedir(lang_dir); 3413 } 3414 closedir(scripts_dir); 3415 3416 return NULL; 3417 } 3418 3419 static bool is_top_script(const char *script_path) 3420 { 3421 return ends_with(script_path, "top") != NULL; 3422 } 3423 3424 static int has_required_arg(char *script_path) 3425 { 3426 struct script_desc *desc; 3427 int n_args = 0; 3428 char *p; 3429 3430 desc = script_desc__new(NULL); 3431 3432 if (read_script_info(desc, script_path)) 3433 goto out; 3434 3435 if (!desc->args) 3436 goto out; 3437 3438 for (p = desc->args; *p; p++) 3439 if (*p == '<') 3440 n_args++; 3441 out: 3442 script_desc__delete(desc); 3443 3444 return n_args; 3445 } 3446 3447 static int have_cmd(int argc, const char **argv) 3448 { 3449 char **__argv = malloc(sizeof(const char *) * argc); 3450 3451 if (!__argv) { 3452 pr_err("malloc failed\n"); 3453 return -1; 3454 } 3455 3456 memcpy(__argv, argv, sizeof(const char *) * argc); 3457 argc = parse_options(argc, (const char **)__argv, record_options, 3458 NULL, PARSE_OPT_STOP_AT_NON_OPTION); 3459 free(__argv); 3460 3461 system_wide = (argc == 0); 3462 3463 return 0; 3464 } 3465 3466 static void script__setup_sample_type(struct perf_script *script) 3467 { 3468 struct perf_session *session = script->session; 3469 u64 sample_type = evlist__combined_sample_type(session->evlist); 3470 3471 callchain_param_setup(sample_type, perf_env__arch(session->machines.host.env)); 3472 3473 if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) { 3474 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n" 3475 "Please apply --call-graph lbr when recording.\n"); 3476 script->stitch_lbr = false; 3477 } 3478 } 3479 3480 static int process_stat_round_event(struct perf_session *session, 3481 union perf_event *event) 3482 { 3483 struct perf_record_stat_round *round = &event->stat_round; 3484 struct evsel *counter; 3485 3486 evlist__for_each_entry(session->evlist, counter) { 3487 perf_stat_process_counter(&stat_config, counter); 3488 process_stat(counter, round->time); 3489 } 3490 3491 process_stat_interval(round->time); 3492 return 0; 3493 } 3494 3495 static int process_stat_config_event(struct perf_session *session __maybe_unused, 3496 union perf_event *event) 3497 { 3498 perf_event__read_stat_config(&stat_config, &event->stat_config); 3499 return 0; 3500 } 3501 3502 static int set_maps(struct perf_script *script) 3503 { 3504 struct evlist *evlist = script->session->evlist; 3505 3506 if (!script->cpus || !script->threads) 3507 return 0; 3508 3509 if (WARN_ONCE(script->allocated, "stats double allocation\n")) 3510 return -EINVAL; 3511 3512 perf_evlist__set_maps(&evlist->core, script->cpus, script->threads); 3513 3514 if (evlist__alloc_stats(evlist, true)) 3515 return -ENOMEM; 3516 3517 script->allocated = true; 3518 return 0; 3519 } 3520 3521 static 3522 int process_thread_map_event(struct perf_session *session, 3523 union perf_event *event) 3524 { 3525 struct perf_tool *tool = session->tool; 3526 struct perf_script *script = container_of(tool, struct perf_script, tool); 3527 3528 if (script->threads) { 3529 pr_warning("Extra thread map event, ignoring.\n"); 3530 return 0; 3531 } 3532 3533 script->threads = thread_map__new_event(&event->thread_map); 3534 if (!script->threads) 3535 return -ENOMEM; 3536 3537 return set_maps(script); 3538 } 3539 3540 static 3541 int process_cpu_map_event(struct perf_session *session, 3542 union perf_event *event) 3543 { 3544 struct perf_tool *tool = session->tool; 3545 struct perf_script *script = container_of(tool, struct perf_script, tool); 3546 3547 if (script->cpus) { 3548 pr_warning("Extra cpu map event, ignoring.\n"); 3549 return 0; 3550 } 3551 3552 script->cpus = cpu_map__new_data(&event->cpu_map.data); 3553 if (!script->cpus) 3554 return -ENOMEM; 3555 3556 return set_maps(script); 3557 } 3558 3559 static int process_feature_event(struct perf_session *session, 3560 union perf_event *event) 3561 { 3562 if (event->feat.feat_id < HEADER_LAST_FEATURE) 3563 return perf_event__process_feature(session, event); 3564 return 0; 3565 } 3566 3567 #ifdef HAVE_AUXTRACE_SUPPORT 3568 static int perf_script__process_auxtrace_info(struct perf_session *session, 3569 union perf_event *event) 3570 { 3571 struct perf_tool *tool = session->tool; 3572 3573 int ret = perf_event__process_auxtrace_info(session, event); 3574 3575 if (ret == 0) { 3576 struct perf_script *script = container_of(tool, struct perf_script, tool); 3577 3578 ret = perf_script__setup_per_event_dump(script); 3579 } 3580 3581 return ret; 3582 } 3583 #else 3584 #define perf_script__process_auxtrace_info 0 3585 #endif 3586 3587 static int parse_insn_trace(const struct option *opt __maybe_unused, 3588 const char *str __maybe_unused, 3589 int unset __maybe_unused) 3590 { 3591 parse_output_fields(NULL, "+insn,-event,-period", 0); 3592 itrace_parse_synth_opts(opt, "i0ns", 0); 3593 symbol_conf.nanosecs = true; 3594 return 0; 3595 } 3596 3597 static int parse_xed(const struct option *opt __maybe_unused, 3598 const char *str __maybe_unused, 3599 int unset __maybe_unused) 3600 { 3601 if (isatty(1)) 3602 force_pager("xed -F insn: -A -64 | less"); 3603 else 3604 force_pager("xed -F insn: -A -64"); 3605 return 0; 3606 } 3607 3608 static int parse_call_trace(const struct option *opt __maybe_unused, 3609 const char *str __maybe_unused, 3610 int unset __maybe_unused) 3611 { 3612 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0); 3613 itrace_parse_synth_opts(opt, "cewp", 0); 3614 symbol_conf.nanosecs = true; 3615 symbol_conf.pad_output_len_dso = 50; 3616 return 0; 3617 } 3618 3619 static int parse_callret_trace(const struct option *opt __maybe_unused, 3620 const char *str __maybe_unused, 3621 int unset __maybe_unused) 3622 { 3623 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0); 3624 itrace_parse_synth_opts(opt, "crewp", 0); 3625 symbol_conf.nanosecs = true; 3626 return 0; 3627 } 3628 3629 int cmd_script(int argc, const char **argv) 3630 { 3631 bool show_full_info = false; 3632 bool header = false; 3633 bool header_only = false; 3634 bool script_started = false; 3635 char *rec_script_path = NULL; 3636 char *rep_script_path = NULL; 3637 struct perf_session *session; 3638 struct itrace_synth_opts itrace_synth_opts = { 3639 .set = false, 3640 .default_no_sample = true, 3641 }; 3642 struct utsname uts; 3643 char *script_path = NULL; 3644 const char *dlfilter_file = NULL; 3645 const char **__argv; 3646 int i, j, err = 0; 3647 struct perf_script script = { 3648 .tool = { 3649 .sample = process_sample_event, 3650 .mmap = perf_event__process_mmap, 3651 .mmap2 = perf_event__process_mmap2, 3652 .comm = perf_event__process_comm, 3653 .namespaces = perf_event__process_namespaces, 3654 .cgroup = perf_event__process_cgroup, 3655 .exit = perf_event__process_exit, 3656 .fork = perf_event__process_fork, 3657 .attr = process_attr, 3658 .event_update = perf_event__process_event_update, 3659 .tracing_data = perf_event__process_tracing_data, 3660 .feature = process_feature_event, 3661 .build_id = perf_event__process_build_id, 3662 .id_index = perf_event__process_id_index, 3663 .auxtrace_info = perf_script__process_auxtrace_info, 3664 .auxtrace = perf_event__process_auxtrace, 3665 .auxtrace_error = perf_event__process_auxtrace_error, 3666 .stat = perf_event__process_stat_event, 3667 .stat_round = process_stat_round_event, 3668 .stat_config = process_stat_config_event, 3669 .thread_map = process_thread_map_event, 3670 .cpu_map = process_cpu_map_event, 3671 .throttle = process_throttle_event, 3672 .unthrottle = process_throttle_event, 3673 .ordered_events = true, 3674 .ordering_requires_timestamps = true, 3675 }, 3676 }; 3677 struct perf_data data = { 3678 .mode = PERF_DATA_MODE_READ, 3679 }; 3680 const struct option options[] = { 3681 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 3682 "dump raw trace in ASCII"), 3683 OPT_INCR('v', "verbose", &verbose, 3684 "be more verbose (show symbol address, etc)"), 3685 OPT_BOOLEAN('L', "Latency", &latency_format, 3686 "show latency attributes (irqs/preemption disabled, etc)"), 3687 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", 3688 list_available_scripts), 3689 OPT_CALLBACK_NOOPT(0, "list-dlfilters", NULL, NULL, "list available dlfilters", 3690 list_available_dlfilters), 3691 OPT_CALLBACK('s', "script", NULL, "name", 3692 "script file name (lang:script name, script name, or *)", 3693 parse_scriptname), 3694 OPT_STRING('g', "gen-script", &generate_script_lang, "lang", 3695 "generate perf-script.xx script in specified language"), 3696 OPT_STRING(0, "dlfilter", &dlfilter_file, "file", "filter .so file name"), 3697 OPT_CALLBACK(0, "dlarg", NULL, "argument", "filter argument", 3698 add_dlarg), 3699 OPT_STRING('i', "input", &input_name, "file", "input file name"), 3700 OPT_BOOLEAN('d', "debug-mode", &debug_mode, 3701 "do various checks like samples ordering and lost events"), 3702 OPT_BOOLEAN(0, "header", &header, "Show data header."), 3703 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."), 3704 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 3705 "file", "vmlinux pathname"), 3706 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 3707 "file", "kallsyms pathname"), 3708 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, 3709 "When printing symbols do not display call chain"), 3710 OPT_CALLBACK(0, "symfs", NULL, "directory", 3711 "Look for files with symbols relative to this directory", 3712 symbol__config_symfs), 3713 OPT_CALLBACK('F', "fields", NULL, "str", 3714 "comma separated output fields prepend with 'type:'. " 3715 "+field to add and -field to remove." 3716 "Valid types: hw,sw,trace,raw,synth. " 3717 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso," 3718 "addr,symoff,srcline,period,iregs,uregs,brstack," 3719 "brstacksym,flags,bpf-output,brstackinsn,brstackoff," 3720 "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc,tod," 3721 "data_page_size,code_page_size,ins_lat", 3722 parse_output_fields), 3723 OPT_BOOLEAN('a', "all-cpus", &system_wide, 3724 "system-wide collection from all CPUs"), 3725 OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", 3726 "only consider symbols in these DSOs"), 3727 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 3728 "only consider these symbols"), 3729 OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range, 3730 "Use with -S to list traced records within address range"), 3731 OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL, 3732 "Decode instructions from itrace", parse_insn_trace), 3733 OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL, 3734 "Run xed disassembler on output", parse_xed), 3735 OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL, 3736 "Decode calls from from itrace", parse_call_trace), 3737 OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL, 3738 "Decode calls and returns from itrace", parse_callret_trace), 3739 OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]", 3740 "Only print symbols and callees with --call-trace/--call-ret-trace"), 3741 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]", 3742 "Stop display of callgraph at these symbols"), 3743 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), 3744 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 3745 "only display events for these comms"), 3746 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 3747 "only consider symbols in these pids"), 3748 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 3749 "only consider symbols in these tids"), 3750 OPT_UINTEGER(0, "max-stack", &scripting_max_stack, 3751 "Set the maximum stack depth when parsing the callchain, " 3752 "anything beyond the specified depth will be ignored. " 3753 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 3754 OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"), 3755 OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"), 3756 OPT_BOOLEAN('I', "show-info", &show_full_info, 3757 "display extended information from perf.data file"), 3758 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, 3759 "Show the path of [kernel.kallsyms]"), 3760 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, 3761 "Show the fork/comm/exit events"), 3762 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, 3763 "Show the mmap events"), 3764 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events, 3765 "Show context switch events (if recorded)"), 3766 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events, 3767 "Show namespace events (if recorded)"), 3768 OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events, 3769 "Show cgroup events (if recorded)"), 3770 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events, 3771 "Show lost events (if recorded)"), 3772 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events, 3773 "Show round events (if recorded)"), 3774 OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events, 3775 "Show bpf related events (if recorded)"), 3776 OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events, 3777 "Show text poke related events (if recorded)"), 3778 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump, 3779 "Dump trace output to files named by the monitored events"), 3780 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 3781 OPT_INTEGER(0, "max-blocks", &max_blocks, 3782 "Maximum number of code blocks to dump with brstackinsn"), 3783 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, 3784 "Use 9 decimal places when displaying time"), 3785 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 3786 "Instruction Tracing options\n" ITRACE_HELP, 3787 itrace_parse_synth_opts), 3788 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 3789 "Show full source file name path for source lines"), 3790 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 3791 "Enable symbol demangling"), 3792 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 3793 "Enable kernel symbol demangling"), 3794 OPT_STRING(0, "time", &script.time_str, "str", 3795 "Time span of interest (start,stop)"), 3796 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 3797 "Show inline function"), 3798 OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory", 3799 "guest mount directory under which every guest os" 3800 " instance has a subdir"), 3801 OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name, 3802 "file", "file saving guest os vmlinux"), 3803 OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms, 3804 "file", "file saving guest os /proc/kallsyms"), 3805 OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules, 3806 "file", "file saving guest os /proc/modules"), 3807 OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr, 3808 "Enable LBR callgraph stitching approach"), 3809 OPTS_EVSWITCH(&script.evswitch), 3810 OPT_END() 3811 }; 3812 const char * const script_subcommands[] = { "record", "report", NULL }; 3813 const char *script_usage[] = { 3814 "perf script [<options>]", 3815 "perf script [<options>] record <script> [<record-options>] <command>", 3816 "perf script [<options>] report <script> [script-args]", 3817 "perf script [<options>] <script> [<record-options>] <command>", 3818 "perf script [<options>] <top-script> [script-args]", 3819 NULL 3820 }; 3821 3822 perf_set_singlethreaded(); 3823 3824 setup_scripting(); 3825 3826 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage, 3827 PARSE_OPT_STOP_AT_NON_OPTION); 3828 3829 if (symbol_conf.guestmount || 3830 symbol_conf.default_guest_vmlinux_name || 3831 symbol_conf.default_guest_kallsyms || 3832 symbol_conf.default_guest_modules) { 3833 /* 3834 * Enable guest sample processing. 3835 */ 3836 perf_guest = true; 3837 } 3838 3839 data.path = input_name; 3840 data.force = symbol_conf.force; 3841 3842 if (symbol__validate_sym_arguments()) 3843 return -1; 3844 3845 if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) { 3846 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); 3847 if (!rec_script_path) 3848 return cmd_record(argc, argv); 3849 } 3850 3851 if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) { 3852 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); 3853 if (!rep_script_path) { 3854 fprintf(stderr, 3855 "Please specify a valid report script" 3856 "(see 'perf script -l' for listing)\n"); 3857 return -1; 3858 } 3859 } 3860 3861 if (reltime && deltatime) { 3862 fprintf(stderr, 3863 "reltime and deltatime - the two don't get along well. " 3864 "Please limit to --reltime or --deltatime.\n"); 3865 return -1; 3866 } 3867 3868 if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) && 3869 itrace_synth_opts.callchain_sz > scripting_max_stack) 3870 scripting_max_stack = itrace_synth_opts.callchain_sz; 3871 3872 /* make sure PERF_EXEC_PATH is set for scripts */ 3873 set_argv_exec_path(get_argv_exec_path()); 3874 3875 if (argc && !script_name && !rec_script_path && !rep_script_path) { 3876 int live_pipe[2]; 3877 int rep_args; 3878 pid_t pid; 3879 3880 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); 3881 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); 3882 3883 if (!rec_script_path && !rep_script_path) { 3884 script_name = find_script(argv[0]); 3885 if (script_name) { 3886 argc -= 1; 3887 argv += 1; 3888 goto script_found; 3889 } 3890 usage_with_options_msg(script_usage, options, 3891 "Couldn't find script `%s'\n\n See perf" 3892 " script -l for available scripts.\n", argv[0]); 3893 } 3894 3895 if (is_top_script(argv[0])) { 3896 rep_args = argc - 1; 3897 } else { 3898 int rec_args; 3899 3900 rep_args = has_required_arg(rep_script_path); 3901 rec_args = (argc - 1) - rep_args; 3902 if (rec_args < 0) { 3903 usage_with_options_msg(script_usage, options, 3904 "`%s' script requires options." 3905 "\n\n See perf script -l for available " 3906 "scripts and options.\n", argv[0]); 3907 } 3908 } 3909 3910 if (pipe(live_pipe) < 0) { 3911 perror("failed to create pipe"); 3912 return -1; 3913 } 3914 3915 pid = fork(); 3916 if (pid < 0) { 3917 perror("failed to fork"); 3918 return -1; 3919 } 3920 3921 if (!pid) { 3922 j = 0; 3923 3924 dup2(live_pipe[1], 1); 3925 close(live_pipe[0]); 3926 3927 if (is_top_script(argv[0])) { 3928 system_wide = true; 3929 } else if (!system_wide) { 3930 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { 3931 err = -1; 3932 goto out; 3933 } 3934 } 3935 3936 __argv = malloc((argc + 6) * sizeof(const char *)); 3937 if (!__argv) { 3938 pr_err("malloc failed\n"); 3939 err = -ENOMEM; 3940 goto out; 3941 } 3942 3943 __argv[j++] = "/bin/sh"; 3944 __argv[j++] = rec_script_path; 3945 if (system_wide) 3946 __argv[j++] = "-a"; 3947 __argv[j++] = "-q"; 3948 __argv[j++] = "-o"; 3949 __argv[j++] = "-"; 3950 for (i = rep_args + 1; i < argc; i++) 3951 __argv[j++] = argv[i]; 3952 __argv[j++] = NULL; 3953 3954 execvp("/bin/sh", (char **)__argv); 3955 free(__argv); 3956 exit(-1); 3957 } 3958 3959 dup2(live_pipe[0], 0); 3960 close(live_pipe[1]); 3961 3962 __argv = malloc((argc + 4) * sizeof(const char *)); 3963 if (!__argv) { 3964 pr_err("malloc failed\n"); 3965 err = -ENOMEM; 3966 goto out; 3967 } 3968 3969 j = 0; 3970 __argv[j++] = "/bin/sh"; 3971 __argv[j++] = rep_script_path; 3972 for (i = 1; i < rep_args + 1; i++) 3973 __argv[j++] = argv[i]; 3974 __argv[j++] = "-i"; 3975 __argv[j++] = "-"; 3976 __argv[j++] = NULL; 3977 3978 execvp("/bin/sh", (char **)__argv); 3979 free(__argv); 3980 exit(-1); 3981 } 3982 script_found: 3983 if (rec_script_path) 3984 script_path = rec_script_path; 3985 if (rep_script_path) 3986 script_path = rep_script_path; 3987 3988 if (script_path) { 3989 j = 0; 3990 3991 if (!rec_script_path) 3992 system_wide = false; 3993 else if (!system_wide) { 3994 if (have_cmd(argc - 1, &argv[1]) != 0) { 3995 err = -1; 3996 goto out; 3997 } 3998 } 3999 4000 __argv = malloc((argc + 2) * sizeof(const char *)); 4001 if (!__argv) { 4002 pr_err("malloc failed\n"); 4003 err = -ENOMEM; 4004 goto out; 4005 } 4006 4007 __argv[j++] = "/bin/sh"; 4008 __argv[j++] = script_path; 4009 if (system_wide) 4010 __argv[j++] = "-a"; 4011 for (i = 2; i < argc; i++) 4012 __argv[j++] = argv[i]; 4013 __argv[j++] = NULL; 4014 4015 execvp("/bin/sh", (char **)__argv); 4016 free(__argv); 4017 exit(-1); 4018 } 4019 4020 if (dlfilter_file) { 4021 dlfilter = dlfilter__new(dlfilter_file, dlargc, dlargv); 4022 if (!dlfilter) 4023 return -1; 4024 } 4025 4026 if (!script_name) { 4027 setup_pager(); 4028 use_browser = 0; 4029 } 4030 4031 session = perf_session__new(&data, &script.tool); 4032 if (IS_ERR(session)) 4033 return PTR_ERR(session); 4034 4035 if (header || header_only) { 4036 script.tool.show_feat_hdr = SHOW_FEAT_HEADER; 4037 perf_session__fprintf_info(session, stdout, show_full_info); 4038 if (header_only) 4039 goto out_delete; 4040 } 4041 if (show_full_info) 4042 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 4043 4044 if (symbol__init(&session->header.env) < 0) 4045 goto out_delete; 4046 4047 uname(&uts); 4048 if (data.is_pipe) { /* Assume pipe_mode indicates native_arch */ 4049 native_arch = true; 4050 } else if (session->header.env.arch) { 4051 if (!strcmp(uts.machine, session->header.env.arch)) 4052 native_arch = true; 4053 else if (!strcmp(uts.machine, "x86_64") && 4054 !strcmp(session->header.env.arch, "i386")) 4055 native_arch = true; 4056 } 4057 4058 script.session = session; 4059 script__setup_sample_type(&script); 4060 4061 if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) || 4062 symbol_conf.graph_function) 4063 itrace_synth_opts.thread_stack = true; 4064 4065 session->itrace_synth_opts = &itrace_synth_opts; 4066 4067 if (cpu_list) { 4068 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap); 4069 if (err < 0) 4070 goto out_delete; 4071 itrace_synth_opts.cpu_bitmap = cpu_bitmap; 4072 } 4073 4074 if (!no_callchain) 4075 symbol_conf.use_callchain = true; 4076 else 4077 symbol_conf.use_callchain = false; 4078 4079 if (session->tevent.pevent && 4080 tep_set_function_resolver(session->tevent.pevent, 4081 machine__resolve_kernel_addr, 4082 &session->machines.host) < 0) { 4083 pr_err("%s: failed to set libtraceevent function resolver\n", __func__); 4084 err = -1; 4085 goto out_delete; 4086 } 4087 4088 if (generate_script_lang) { 4089 struct stat perf_stat; 4090 int input; 4091 4092 if (output_set_by_user()) { 4093 fprintf(stderr, 4094 "custom fields not supported for generated scripts"); 4095 err = -EINVAL; 4096 goto out_delete; 4097 } 4098 4099 input = open(data.path, O_RDONLY); /* input_name */ 4100 if (input < 0) { 4101 err = -errno; 4102 perror("failed to open file"); 4103 goto out_delete; 4104 } 4105 4106 err = fstat(input, &perf_stat); 4107 if (err < 0) { 4108 perror("failed to stat file"); 4109 goto out_delete; 4110 } 4111 4112 if (!perf_stat.st_size) { 4113 fprintf(stderr, "zero-sized file, nothing to do!\n"); 4114 goto out_delete; 4115 } 4116 4117 scripting_ops = script_spec__lookup(generate_script_lang); 4118 if (!scripting_ops) { 4119 fprintf(stderr, "invalid language specifier"); 4120 err = -ENOENT; 4121 goto out_delete; 4122 } 4123 4124 err = scripting_ops->generate_script(session->tevent.pevent, 4125 "perf-script"); 4126 goto out_delete; 4127 } 4128 4129 err = dlfilter__start(dlfilter, session); 4130 if (err) 4131 goto out_delete; 4132 4133 if (script_name) { 4134 err = scripting_ops->start_script(script_name, argc, argv, session); 4135 if (err) 4136 goto out_delete; 4137 pr_debug("perf script started with script %s\n\n", script_name); 4138 script_started = true; 4139 } 4140 4141 4142 err = perf_session__check_output_opt(session); 4143 if (err < 0) 4144 goto out_delete; 4145 4146 if (script.time_str) { 4147 err = perf_time__parse_for_ranges_reltime(script.time_str, session, 4148 &script.ptime_range, 4149 &script.range_size, 4150 &script.range_num, 4151 reltime); 4152 if (err < 0) 4153 goto out_delete; 4154 4155 itrace_synth_opts__set_time_range(&itrace_synth_opts, 4156 script.ptime_range, 4157 script.range_num); 4158 } 4159 4160 err = evswitch__init(&script.evswitch, session->evlist, stderr); 4161 if (err) 4162 goto out_delete; 4163 4164 if (zstd_init(&(session->zstd_data), 0) < 0) 4165 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n"); 4166 4167 err = __cmd_script(&script); 4168 4169 flush_scripting(); 4170 4171 out_delete: 4172 if (script.ptime_range) { 4173 itrace_synth_opts__clear_time_range(&itrace_synth_opts); 4174 zfree(&script.ptime_range); 4175 } 4176 4177 zstd_fini(&(session->zstd_data)); 4178 evlist__free_stats(session->evlist); 4179 perf_session__delete(session); 4180 perf_script__exit(&script); 4181 4182 if (script_started) 4183 cleanup_scripting(); 4184 dlfilter__cleanup(dlfilter); 4185 free_dlarg(); 4186 out: 4187 return err; 4188 } 4189