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__check_stype(evsel, PERF_SAMPLE_WEIGHT_TYPE, "WEIGHT", PERF_OUTPUT_WEIGHT)) 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 u32 xf = PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_INTR_DISABLE | 1583 PERF_IP_FLAG_INTR_TOGGLE; 1584 const char *chars = PERF_IP_FLAG_CHARS; 1585 const size_t n = strlen(PERF_IP_FLAG_CHARS); 1586 const char *name = NULL; 1587 size_t i, pos = 0; 1588 char xs[16] = {0}; 1589 1590 if (flags & xf) 1591 snprintf(xs, sizeof(xs), "(%s%s%s)", 1592 flags & PERF_IP_FLAG_IN_TX ? "x" : "", 1593 flags & PERF_IP_FLAG_INTR_DISABLE ? "D" : "", 1594 flags & PERF_IP_FLAG_INTR_TOGGLE ? "t" : ""); 1595 1596 name = sample_flags_to_name(flags & ~xf); 1597 if (name) 1598 return snprintf(str, sz, "%-15s%6s", name, xs); 1599 1600 if (flags & PERF_IP_FLAG_TRACE_BEGIN) { 1601 name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_BEGIN)); 1602 if (name) 1603 return snprintf(str, sz, "tr strt %-7s%6s", name, xs); 1604 } 1605 1606 if (flags & PERF_IP_FLAG_TRACE_END) { 1607 name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_END)); 1608 if (name) 1609 return snprintf(str, sz, "tr end %-7s%6s", name, xs); 1610 } 1611 1612 for (i = 0; i < n; i++, flags >>= 1) { 1613 if ((flags & 1) && pos < sz) 1614 str[pos++] = chars[i]; 1615 } 1616 for (; i < 32; i++, flags >>= 1) { 1617 if ((flags & 1) && pos < sz) 1618 str[pos++] = '?'; 1619 } 1620 if (pos < sz) 1621 str[pos] = 0; 1622 1623 return pos; 1624 } 1625 1626 static int perf_sample__fprintf_flags(u32 flags, FILE *fp) 1627 { 1628 char str[SAMPLE_FLAGS_BUF_SIZE]; 1629 1630 perf_sample__sprintf_flags(flags, str, sizeof(str)); 1631 return fprintf(fp, " %-21s ", str); 1632 } 1633 1634 struct printer_data { 1635 int line_no; 1636 bool hit_nul; 1637 bool is_printable; 1638 }; 1639 1640 static int sample__fprintf_bpf_output(enum binary_printer_ops op, 1641 unsigned int val, 1642 void *extra, FILE *fp) 1643 { 1644 unsigned char ch = (unsigned char)val; 1645 struct printer_data *printer_data = extra; 1646 int printed = 0; 1647 1648 switch (op) { 1649 case BINARY_PRINT_DATA_BEGIN: 1650 printed += fprintf(fp, "\n"); 1651 break; 1652 case BINARY_PRINT_LINE_BEGIN: 1653 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" : 1654 " "); 1655 break; 1656 case BINARY_PRINT_ADDR: 1657 printed += fprintf(fp, " %04x:", val); 1658 break; 1659 case BINARY_PRINT_NUM_DATA: 1660 printed += fprintf(fp, " %02x", val); 1661 break; 1662 case BINARY_PRINT_NUM_PAD: 1663 printed += fprintf(fp, " "); 1664 break; 1665 case BINARY_PRINT_SEP: 1666 printed += fprintf(fp, " "); 1667 break; 1668 case BINARY_PRINT_CHAR_DATA: 1669 if (printer_data->hit_nul && ch) 1670 printer_data->is_printable = false; 1671 1672 if (!isprint(ch)) { 1673 printed += fprintf(fp, "%c", '.'); 1674 1675 if (!printer_data->is_printable) 1676 break; 1677 1678 if (ch == '\0') 1679 printer_data->hit_nul = true; 1680 else 1681 printer_data->is_printable = false; 1682 } else { 1683 printed += fprintf(fp, "%c", ch); 1684 } 1685 break; 1686 case BINARY_PRINT_CHAR_PAD: 1687 printed += fprintf(fp, " "); 1688 break; 1689 case BINARY_PRINT_LINE_END: 1690 printed += fprintf(fp, "\n"); 1691 printer_data->line_no++; 1692 break; 1693 case BINARY_PRINT_DATA_END: 1694 default: 1695 break; 1696 } 1697 1698 return printed; 1699 } 1700 1701 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp) 1702 { 1703 unsigned int nr_bytes = sample->raw_size; 1704 struct printer_data printer_data = {0, false, true}; 1705 int printed = binary__fprintf(sample->raw_data, nr_bytes, 8, 1706 sample__fprintf_bpf_output, &printer_data, fp); 1707 1708 if (printer_data.is_printable && printer_data.hit_nul) 1709 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data)); 1710 1711 return printed; 1712 } 1713 1714 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp) 1715 { 1716 if (len > 0 && len < spacing) 1717 return fprintf(fp, "%*s", spacing - len, ""); 1718 1719 return 0; 1720 } 1721 1722 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp) 1723 { 1724 return perf_sample__fprintf_spacing(len, 34, fp); 1725 } 1726 1727 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp) 1728 { 1729 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample); 1730 int len; 1731 1732 if (perf_sample__bad_synth_size(sample, *data)) 1733 return 0; 1734 1735 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ", 1736 data->ip, le64_to_cpu(data->payload)); 1737 return len + perf_sample__fprintf_pt_spacing(len, fp); 1738 } 1739 1740 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp) 1741 { 1742 struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample); 1743 int len; 1744 1745 if (perf_sample__bad_synth_size(sample, *data)) 1746 return 0; 1747 1748 len = fprintf(fp, " hints: %#x extensions: %#x ", 1749 data->hints, data->extensions); 1750 return len + perf_sample__fprintf_pt_spacing(len, fp); 1751 } 1752 1753 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp) 1754 { 1755 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample); 1756 int len; 1757 1758 if (perf_sample__bad_synth_size(sample, *data)) 1759 return 0; 1760 1761 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ", 1762 data->hw, data->cstate, data->subcstate); 1763 return len + perf_sample__fprintf_pt_spacing(len, fp); 1764 } 1765 1766 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp) 1767 { 1768 struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample); 1769 int len; 1770 1771 if (perf_sample__bad_synth_size(sample, *data)) 1772 return 0; 1773 1774 len = fprintf(fp, " IP: %u ", data->ip); 1775 return len + perf_sample__fprintf_pt_spacing(len, fp); 1776 } 1777 1778 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp) 1779 { 1780 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample); 1781 int len; 1782 1783 if (perf_sample__bad_synth_size(sample, *data)) 1784 return 0; 1785 1786 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ", 1787 data->deepest_cstate, data->last_cstate, 1788 data->wake_reason); 1789 return len + perf_sample__fprintf_pt_spacing(len, fp); 1790 } 1791 1792 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp) 1793 { 1794 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample); 1795 unsigned int percent, freq; 1796 int len; 1797 1798 if (perf_sample__bad_synth_size(sample, *data)) 1799 return 0; 1800 1801 freq = (le32_to_cpu(data->freq) + 500) / 1000; 1802 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq); 1803 if (data->max_nonturbo) { 1804 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10; 1805 len += fprintf(fp, "(%3u%%) ", percent); 1806 } 1807 return len + perf_sample__fprintf_pt_spacing(len, fp); 1808 } 1809 1810 static int perf_sample__fprintf_synth_psb(struct perf_sample *sample, FILE *fp) 1811 { 1812 struct perf_synth_intel_psb *data = perf_sample__synth_ptr(sample); 1813 int len; 1814 1815 if (perf_sample__bad_synth_size(sample, *data)) 1816 return 0; 1817 1818 len = fprintf(fp, " psb offs: %#" PRIx64, data->offset); 1819 return len + perf_sample__fprintf_pt_spacing(len, fp); 1820 } 1821 1822 /* Intel PT Event Trace */ 1823 static int perf_sample__fprintf_synth_evt(struct perf_sample *sample, FILE *fp) 1824 { 1825 struct perf_synth_intel_evt *data = perf_sample__synth_ptr(sample); 1826 const char *cfe[32] = {NULL, "INTR", "IRET", "SMI", "RSM", "SIPI", 1827 "INIT", "VMENTRY", "VMEXIT", "VMEXIT_INTR", 1828 "SHUTDOWN"}; 1829 const char *evd[64] = {"PFA", "VMXQ", "VMXR"}; 1830 const char *s; 1831 int len, i; 1832 1833 if (perf_sample__bad_synth_size(sample, *data)) 1834 return 0; 1835 1836 s = cfe[data->type]; 1837 if (s) { 1838 len = fprintf(fp, " cfe: %s IP: %d vector: %u", 1839 s, data->ip, data->vector); 1840 } else { 1841 len = fprintf(fp, " cfe: %u IP: %d vector: %u", 1842 data->type, data->ip, data->vector); 1843 } 1844 for (i = 0; i < data->evd_cnt; i++) { 1845 unsigned int et = data->evd[i].evd_type & 0x3f; 1846 1847 s = evd[et]; 1848 if (s) { 1849 len += fprintf(fp, " %s: %#" PRIx64, 1850 s, data->evd[i].payload); 1851 } else { 1852 len += fprintf(fp, " EVD_%u: %#" PRIx64, 1853 et, data->evd[i].payload); 1854 } 1855 } 1856 return len + perf_sample__fprintf_pt_spacing(len, fp); 1857 } 1858 1859 static int perf_sample__fprintf_synth_iflag_chg(struct perf_sample *sample, FILE *fp) 1860 { 1861 struct perf_synth_intel_iflag_chg *data = perf_sample__synth_ptr(sample); 1862 int len; 1863 1864 if (perf_sample__bad_synth_size(sample, *data)) 1865 return 0; 1866 1867 len = fprintf(fp, " IFLAG: %d->%d %s branch", !data->iflag, data->iflag, 1868 data->via_branch ? "via" : "non"); 1869 return len + perf_sample__fprintf_pt_spacing(len, fp); 1870 } 1871 1872 static int perf_sample__fprintf_synth(struct perf_sample *sample, 1873 struct evsel *evsel, FILE *fp) 1874 { 1875 switch (evsel->core.attr.config) { 1876 case PERF_SYNTH_INTEL_PTWRITE: 1877 return perf_sample__fprintf_synth_ptwrite(sample, fp); 1878 case PERF_SYNTH_INTEL_MWAIT: 1879 return perf_sample__fprintf_synth_mwait(sample, fp); 1880 case PERF_SYNTH_INTEL_PWRE: 1881 return perf_sample__fprintf_synth_pwre(sample, fp); 1882 case PERF_SYNTH_INTEL_EXSTOP: 1883 return perf_sample__fprintf_synth_exstop(sample, fp); 1884 case PERF_SYNTH_INTEL_PWRX: 1885 return perf_sample__fprintf_synth_pwrx(sample, fp); 1886 case PERF_SYNTH_INTEL_CBR: 1887 return perf_sample__fprintf_synth_cbr(sample, fp); 1888 case PERF_SYNTH_INTEL_PSB: 1889 return perf_sample__fprintf_synth_psb(sample, fp); 1890 case PERF_SYNTH_INTEL_EVT: 1891 return perf_sample__fprintf_synth_evt(sample, fp); 1892 case PERF_SYNTH_INTEL_IFLAG_CHG: 1893 return perf_sample__fprintf_synth_iflag_chg(sample, fp); 1894 default: 1895 break; 1896 } 1897 1898 return 0; 1899 } 1900 1901 static int evlist__max_name_len(struct evlist *evlist) 1902 { 1903 struct evsel *evsel; 1904 int max = 0; 1905 1906 evlist__for_each_entry(evlist, evsel) { 1907 int len = strlen(evsel__name(evsel)); 1908 1909 max = MAX(len, max); 1910 } 1911 1912 return max; 1913 } 1914 1915 static int data_src__fprintf(u64 data_src, FILE *fp) 1916 { 1917 struct mem_info mi = { .data_src.val = data_src }; 1918 char decode[100]; 1919 char out[100]; 1920 static int maxlen; 1921 int len; 1922 1923 perf_script__meminfo_scnprintf(decode, 100, &mi); 1924 1925 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode); 1926 if (maxlen < len) 1927 maxlen = len; 1928 1929 return fprintf(fp, "%-*s", maxlen, out); 1930 } 1931 1932 struct metric_ctx { 1933 struct perf_sample *sample; 1934 struct thread *thread; 1935 struct evsel *evsel; 1936 FILE *fp; 1937 }; 1938 1939 static void script_print_metric(struct perf_stat_config *config __maybe_unused, 1940 void *ctx, const char *color, 1941 const char *fmt, 1942 const char *unit, double val) 1943 { 1944 struct metric_ctx *mctx = ctx; 1945 1946 if (!fmt) 1947 return; 1948 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, 1949 PERF_RECORD_SAMPLE, mctx->fp); 1950 fputs("\tmetric: ", mctx->fp); 1951 if (color) 1952 color_fprintf(mctx->fp, color, fmt, val); 1953 else 1954 printf(fmt, val); 1955 fprintf(mctx->fp, " %s\n", unit); 1956 } 1957 1958 static void script_new_line(struct perf_stat_config *config __maybe_unused, 1959 void *ctx) 1960 { 1961 struct metric_ctx *mctx = ctx; 1962 1963 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, 1964 PERF_RECORD_SAMPLE, mctx->fp); 1965 fputs("\tmetric: ", mctx->fp); 1966 } 1967 1968 static void perf_sample__fprint_metric(struct perf_script *script, 1969 struct thread *thread, 1970 struct evsel *evsel, 1971 struct perf_sample *sample, 1972 FILE *fp) 1973 { 1974 struct evsel *leader = evsel__leader(evsel); 1975 struct perf_stat_output_ctx ctx = { 1976 .print_metric = script_print_metric, 1977 .new_line = script_new_line, 1978 .ctx = &(struct metric_ctx) { 1979 .sample = sample, 1980 .thread = thread, 1981 .evsel = evsel, 1982 .fp = fp, 1983 }, 1984 .force_header = false, 1985 }; 1986 struct evsel *ev2; 1987 u64 val; 1988 1989 if (!evsel->stats) 1990 evlist__alloc_stats(script->session->evlist, false); 1991 if (evsel_script(leader)->gnum++ == 0) 1992 perf_stat__reset_shadow_stats(); 1993 val = sample->period * evsel->scale; 1994 perf_stat__update_shadow_stats(evsel, 1995 val, 1996 sample->cpu, 1997 &rt_stat); 1998 evsel_script(evsel)->val = val; 1999 if (evsel_script(leader)->gnum == leader->core.nr_members) { 2000 for_each_group_member (ev2, leader) { 2001 perf_stat__print_shadow_stats(&stat_config, ev2, 2002 evsel_script(ev2)->val, 2003 sample->cpu, 2004 &ctx, 2005 NULL, 2006 &rt_stat); 2007 } 2008 evsel_script(leader)->gnum = 0; 2009 } 2010 } 2011 2012 static bool show_event(struct perf_sample *sample, 2013 struct evsel *evsel, 2014 struct thread *thread, 2015 struct addr_location *al, 2016 struct addr_location *addr_al) 2017 { 2018 int depth = thread_stack__depth(thread, sample->cpu); 2019 2020 if (!symbol_conf.graph_function) 2021 return true; 2022 2023 if (thread->filter) { 2024 if (depth <= thread->filter_entry_depth) { 2025 thread->filter = false; 2026 return false; 2027 } 2028 return true; 2029 } else { 2030 const char *s = symbol_conf.graph_function; 2031 u64 ip; 2032 const char *name = resolve_branch_sym(sample, evsel, thread, al, addr_al, 2033 &ip); 2034 unsigned nlen; 2035 2036 if (!name) 2037 return false; 2038 nlen = strlen(name); 2039 while (*s) { 2040 unsigned len = strcspn(s, ","); 2041 if (nlen == len && !strncmp(name, s, len)) { 2042 thread->filter = true; 2043 thread->filter_entry_depth = depth; 2044 return true; 2045 } 2046 s += len; 2047 if (*s == ',') 2048 s++; 2049 } 2050 return false; 2051 } 2052 } 2053 2054 static void process_event(struct perf_script *script, 2055 struct perf_sample *sample, struct evsel *evsel, 2056 struct addr_location *al, 2057 struct addr_location *addr_al, 2058 struct machine *machine) 2059 { 2060 struct thread *thread = al->thread; 2061 struct perf_event_attr *attr = &evsel->core.attr; 2062 unsigned int type = output_type(attr->type); 2063 struct evsel_script *es = evsel->priv; 2064 FILE *fp = es->fp; 2065 char str[PAGE_SIZE_NAME_LEN]; 2066 const char *arch = perf_env__arch(machine->env); 2067 2068 if (output[type].fields == 0) 2069 return; 2070 2071 ++es->samples; 2072 2073 perf_sample__fprintf_start(script, sample, thread, evsel, 2074 PERF_RECORD_SAMPLE, fp); 2075 2076 if (PRINT_FIELD(PERIOD)) 2077 fprintf(fp, "%10" PRIu64 " ", sample->period); 2078 2079 if (PRINT_FIELD(EVNAME)) { 2080 const char *evname = evsel__name(evsel); 2081 2082 if (!script->name_width) 2083 script->name_width = evlist__max_name_len(script->session->evlist); 2084 2085 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]"); 2086 } 2087 2088 if (print_flags) 2089 perf_sample__fprintf_flags(sample->flags, fp); 2090 2091 if (is_bts_event(attr)) { 2092 perf_sample__fprintf_bts(sample, evsel, thread, al, addr_al, machine, fp); 2093 return; 2094 } 2095 2096 if (PRINT_FIELD(TRACE) && sample->raw_data) { 2097 event_format__fprintf(evsel->tp_format, sample->cpu, 2098 sample->raw_data, sample->raw_size, fp); 2099 } 2100 2101 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH)) 2102 perf_sample__fprintf_synth(sample, evsel, fp); 2103 2104 if (PRINT_FIELD(ADDR)) 2105 perf_sample__fprintf_addr(sample, thread, attr, fp); 2106 2107 if (PRINT_FIELD(DATA_SRC)) 2108 data_src__fprintf(sample->data_src, fp); 2109 2110 if (PRINT_FIELD(WEIGHT)) 2111 fprintf(fp, "%16" PRIu64, sample->weight); 2112 2113 if (PRINT_FIELD(INS_LAT)) 2114 fprintf(fp, "%16" PRIu16, sample->ins_lat); 2115 2116 if (PRINT_FIELD(IP)) { 2117 struct callchain_cursor *cursor = NULL; 2118 2119 if (script->stitch_lbr) 2120 al->thread->lbr_stitch_enable = true; 2121 2122 if (symbol_conf.use_callchain && sample->callchain && 2123 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 2124 sample, NULL, NULL, scripting_max_stack) == 0) 2125 cursor = &callchain_cursor; 2126 2127 fputc(cursor ? '\n' : ' ', fp); 2128 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, 2129 symbol_conf.bt_stop_list, fp); 2130 } 2131 2132 if (PRINT_FIELD(IREGS)) 2133 perf_sample__fprintf_iregs(sample, attr, arch, fp); 2134 2135 if (PRINT_FIELD(UREGS)) 2136 perf_sample__fprintf_uregs(sample, attr, arch, fp); 2137 2138 if (PRINT_FIELD(BRSTACK)) 2139 perf_sample__fprintf_brstack(sample, thread, attr, fp); 2140 else if (PRINT_FIELD(BRSTACKSYM)) 2141 perf_sample__fprintf_brstacksym(sample, thread, attr, fp); 2142 else if (PRINT_FIELD(BRSTACKOFF)) 2143 perf_sample__fprintf_brstackoff(sample, thread, attr, fp); 2144 2145 if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT)) 2146 perf_sample__fprintf_bpf_output(sample, fp); 2147 perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 2148 2149 if (PRINT_FIELD(PHYS_ADDR)) 2150 fprintf(fp, "%16" PRIx64, sample->phys_addr); 2151 2152 if (PRINT_FIELD(DATA_PAGE_SIZE)) 2153 fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str)); 2154 2155 if (PRINT_FIELD(CODE_PAGE_SIZE)) 2156 fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str)); 2157 2158 perf_sample__fprintf_ipc(sample, attr, fp); 2159 2160 fprintf(fp, "\n"); 2161 2162 if (PRINT_FIELD(SRCCODE)) { 2163 if (map__fprintf_srccode(al->map, al->addr, stdout, 2164 &thread->srccode_state)) 2165 printf("\n"); 2166 } 2167 2168 if (PRINT_FIELD(METRIC)) 2169 perf_sample__fprint_metric(script, thread, evsel, sample, fp); 2170 2171 if (verbose) 2172 fflush(fp); 2173 } 2174 2175 static struct scripting_ops *scripting_ops; 2176 2177 static void __process_stat(struct evsel *counter, u64 tstamp) 2178 { 2179 int nthreads = perf_thread_map__nr(counter->core.threads); 2180 int idx, thread; 2181 struct perf_cpu cpu; 2182 static int header_printed; 2183 2184 if (counter->core.system_wide) 2185 nthreads = 1; 2186 2187 if (!header_printed) { 2188 printf("%3s %8s %15s %15s %15s %15s %s\n", 2189 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT"); 2190 header_printed = 1; 2191 } 2192 2193 for (thread = 0; thread < nthreads; thread++) { 2194 perf_cpu_map__for_each_cpu(cpu, idx, evsel__cpus(counter)) { 2195 struct perf_counts_values *counts; 2196 2197 counts = perf_counts(counter->counts, idx, thread); 2198 2199 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n", 2200 cpu.cpu, 2201 perf_thread_map__pid(counter->core.threads, thread), 2202 counts->val, 2203 counts->ena, 2204 counts->run, 2205 tstamp, 2206 evsel__name(counter)); 2207 } 2208 } 2209 } 2210 2211 static void process_stat(struct evsel *counter, u64 tstamp) 2212 { 2213 if (scripting_ops && scripting_ops->process_stat) 2214 scripting_ops->process_stat(&stat_config, counter, tstamp); 2215 else 2216 __process_stat(counter, tstamp); 2217 } 2218 2219 static void process_stat_interval(u64 tstamp) 2220 { 2221 if (scripting_ops && scripting_ops->process_stat_interval) 2222 scripting_ops->process_stat_interval(tstamp); 2223 } 2224 2225 static void setup_scripting(void) 2226 { 2227 setup_perl_scripting(); 2228 setup_python_scripting(); 2229 } 2230 2231 static int flush_scripting(void) 2232 { 2233 return scripting_ops ? scripting_ops->flush_script() : 0; 2234 } 2235 2236 static int cleanup_scripting(void) 2237 { 2238 pr_debug("\nperf script stopped\n"); 2239 2240 return scripting_ops ? scripting_ops->stop_script() : 0; 2241 } 2242 2243 static bool filter_cpu(struct perf_sample *sample) 2244 { 2245 if (cpu_list && sample->cpu != (u32)-1) 2246 return !test_bit(sample->cpu, cpu_bitmap); 2247 return false; 2248 } 2249 2250 static int process_sample_event(struct perf_tool *tool, 2251 union perf_event *event, 2252 struct perf_sample *sample, 2253 struct evsel *evsel, 2254 struct machine *machine) 2255 { 2256 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2257 struct addr_location al; 2258 struct addr_location addr_al; 2259 int ret = 0; 2260 2261 /* Set thread to NULL to indicate addr_al and al are not initialized */ 2262 addr_al.thread = NULL; 2263 al.thread = NULL; 2264 2265 ret = dlfilter__filter_event_early(dlfilter, event, sample, evsel, machine, &al, &addr_al); 2266 if (ret) { 2267 if (ret > 0) 2268 ret = 0; 2269 goto out_put; 2270 } 2271 2272 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num, 2273 sample->time)) { 2274 goto out_put; 2275 } 2276 2277 if (debug_mode) { 2278 if (sample->time < last_timestamp) { 2279 pr_err("Samples misordered, previous: %" PRIu64 2280 " this: %" PRIu64 "\n", last_timestamp, 2281 sample->time); 2282 nr_unordered++; 2283 } 2284 last_timestamp = sample->time; 2285 goto out_put; 2286 } 2287 2288 if (filter_cpu(sample)) 2289 goto out_put; 2290 2291 if (!al.thread && machine__resolve(machine, &al, sample) < 0) { 2292 pr_err("problem processing %d event, skipping it.\n", 2293 event->header.type); 2294 ret = -1; 2295 goto out_put; 2296 } 2297 2298 if (al.filtered) 2299 goto out_put; 2300 2301 if (!show_event(sample, evsel, al.thread, &al, &addr_al)) 2302 goto out_put; 2303 2304 if (evswitch__discard(&scr->evswitch, evsel)) 2305 goto out_put; 2306 2307 ret = dlfilter__filter_event(dlfilter, event, sample, evsel, machine, &al, &addr_al); 2308 if (ret) { 2309 if (ret > 0) 2310 ret = 0; 2311 goto out_put; 2312 } 2313 2314 if (scripting_ops) { 2315 struct addr_location *addr_al_ptr = NULL; 2316 2317 if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 2318 sample_addr_correlates_sym(&evsel->core.attr)) { 2319 if (!addr_al.thread) 2320 thread__resolve(al.thread, &addr_al, sample); 2321 addr_al_ptr = &addr_al; 2322 } 2323 scripting_ops->process_event(event, sample, evsel, &al, addr_al_ptr); 2324 } else { 2325 process_event(scr, sample, evsel, &al, &addr_al, machine); 2326 } 2327 2328 out_put: 2329 if (al.thread) 2330 addr_location__put(&al); 2331 return ret; 2332 } 2333 2334 static int process_attr(struct perf_tool *tool, union perf_event *event, 2335 struct evlist **pevlist) 2336 { 2337 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2338 struct evlist *evlist; 2339 struct evsel *evsel, *pos; 2340 u64 sample_type; 2341 int err; 2342 static struct evsel_script *es; 2343 2344 err = perf_event__process_attr(tool, event, pevlist); 2345 if (err) 2346 return err; 2347 2348 evlist = *pevlist; 2349 evsel = evlist__last(*pevlist); 2350 2351 if (!evsel->priv) { 2352 if (scr->per_event_dump) { 2353 evsel->priv = evsel_script__new(evsel, scr->session->data); 2354 } else { 2355 es = zalloc(sizeof(*es)); 2356 if (!es) 2357 return -ENOMEM; 2358 es->fp = stdout; 2359 evsel->priv = es; 2360 } 2361 } 2362 2363 if (evsel->core.attr.type >= PERF_TYPE_MAX && 2364 evsel->core.attr.type != PERF_TYPE_SYNTH) 2365 return 0; 2366 2367 evlist__for_each_entry(evlist, pos) { 2368 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel) 2369 return 0; 2370 } 2371 2372 if (evsel->core.attr.sample_type) { 2373 err = evsel__check_attr(evsel, scr->session); 2374 if (err) 2375 return err; 2376 } 2377 2378 /* 2379 * Check if we need to enable callchains based 2380 * on events sample_type. 2381 */ 2382 sample_type = evlist__combined_sample_type(evlist); 2383 callchain_param_setup(sample_type, perf_env__arch((*pevlist)->env)); 2384 2385 /* Enable fields for callchain entries */ 2386 if (symbol_conf.use_callchain && 2387 (sample_type & PERF_SAMPLE_CALLCHAIN || 2388 sample_type & PERF_SAMPLE_BRANCH_STACK || 2389 (sample_type & PERF_SAMPLE_REGS_USER && 2390 sample_type & PERF_SAMPLE_STACK_USER))) { 2391 int type = output_type(evsel->core.attr.type); 2392 2393 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP)) 2394 output[type].fields |= PERF_OUTPUT_IP; 2395 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM)) 2396 output[type].fields |= PERF_OUTPUT_SYM; 2397 } 2398 set_print_ip_opts(&evsel->core.attr); 2399 return 0; 2400 } 2401 2402 static int print_event_with_time(struct perf_tool *tool, 2403 union perf_event *event, 2404 struct perf_sample *sample, 2405 struct machine *machine, 2406 pid_t pid, pid_t tid, u64 timestamp) 2407 { 2408 struct perf_script *script = container_of(tool, struct perf_script, tool); 2409 struct perf_session *session = script->session; 2410 struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id); 2411 struct thread *thread = NULL; 2412 2413 if (evsel && !evsel->core.attr.sample_id_all) { 2414 sample->cpu = 0; 2415 sample->time = timestamp; 2416 sample->pid = pid; 2417 sample->tid = tid; 2418 } 2419 2420 if (filter_cpu(sample)) 2421 return 0; 2422 2423 if (tid != -1) 2424 thread = machine__findnew_thread(machine, pid, tid); 2425 2426 if (evsel) { 2427 perf_sample__fprintf_start(script, sample, thread, evsel, 2428 event->header.type, stdout); 2429 } 2430 2431 perf_event__fprintf(event, machine, stdout); 2432 2433 thread__put(thread); 2434 2435 return 0; 2436 } 2437 2438 static int print_event(struct perf_tool *tool, union perf_event *event, 2439 struct perf_sample *sample, struct machine *machine, 2440 pid_t pid, pid_t tid) 2441 { 2442 return print_event_with_time(tool, event, sample, machine, pid, tid, 0); 2443 } 2444 2445 static int process_comm_event(struct perf_tool *tool, 2446 union perf_event *event, 2447 struct perf_sample *sample, 2448 struct machine *machine) 2449 { 2450 if (perf_event__process_comm(tool, event, sample, machine) < 0) 2451 return -1; 2452 2453 return print_event(tool, event, sample, machine, event->comm.pid, 2454 event->comm.tid); 2455 } 2456 2457 static int process_namespaces_event(struct perf_tool *tool, 2458 union perf_event *event, 2459 struct perf_sample *sample, 2460 struct machine *machine) 2461 { 2462 if (perf_event__process_namespaces(tool, event, sample, machine) < 0) 2463 return -1; 2464 2465 return print_event(tool, event, sample, machine, event->namespaces.pid, 2466 event->namespaces.tid); 2467 } 2468 2469 static int process_cgroup_event(struct perf_tool *tool, 2470 union perf_event *event, 2471 struct perf_sample *sample, 2472 struct machine *machine) 2473 { 2474 if (perf_event__process_cgroup(tool, event, sample, machine) < 0) 2475 return -1; 2476 2477 return print_event(tool, event, sample, machine, sample->pid, 2478 sample->tid); 2479 } 2480 2481 static int process_fork_event(struct perf_tool *tool, 2482 union perf_event *event, 2483 struct perf_sample *sample, 2484 struct machine *machine) 2485 { 2486 if (perf_event__process_fork(tool, event, sample, machine) < 0) 2487 return -1; 2488 2489 return print_event_with_time(tool, event, sample, machine, 2490 event->fork.pid, event->fork.tid, 2491 event->fork.time); 2492 } 2493 static int process_exit_event(struct perf_tool *tool, 2494 union perf_event *event, 2495 struct perf_sample *sample, 2496 struct machine *machine) 2497 { 2498 /* Print before 'exit' deletes anything */ 2499 if (print_event_with_time(tool, event, sample, machine, event->fork.pid, 2500 event->fork.tid, event->fork.time)) 2501 return -1; 2502 2503 return perf_event__process_exit(tool, event, sample, machine); 2504 } 2505 2506 static int process_mmap_event(struct perf_tool *tool, 2507 union perf_event *event, 2508 struct perf_sample *sample, 2509 struct machine *machine) 2510 { 2511 if (perf_event__process_mmap(tool, event, sample, machine) < 0) 2512 return -1; 2513 2514 return print_event(tool, event, sample, machine, event->mmap.pid, 2515 event->mmap.tid); 2516 } 2517 2518 static int process_mmap2_event(struct perf_tool *tool, 2519 union perf_event *event, 2520 struct perf_sample *sample, 2521 struct machine *machine) 2522 { 2523 if (perf_event__process_mmap2(tool, event, sample, machine) < 0) 2524 return -1; 2525 2526 return print_event(tool, event, sample, machine, event->mmap2.pid, 2527 event->mmap2.tid); 2528 } 2529 2530 static int process_switch_event(struct perf_tool *tool, 2531 union perf_event *event, 2532 struct perf_sample *sample, 2533 struct machine *machine) 2534 { 2535 struct perf_script *script = container_of(tool, struct perf_script, tool); 2536 2537 if (perf_event__process_switch(tool, event, sample, machine) < 0) 2538 return -1; 2539 2540 if (scripting_ops && scripting_ops->process_switch && !filter_cpu(sample)) 2541 scripting_ops->process_switch(event, sample, machine); 2542 2543 if (!script->show_switch_events) 2544 return 0; 2545 2546 return print_event(tool, event, sample, machine, sample->pid, 2547 sample->tid); 2548 } 2549 2550 static int process_auxtrace_error(struct perf_session *session, 2551 union perf_event *event) 2552 { 2553 if (scripting_ops && scripting_ops->process_auxtrace_error) { 2554 scripting_ops->process_auxtrace_error(session, event); 2555 return 0; 2556 } 2557 2558 return perf_event__process_auxtrace_error(session, event); 2559 } 2560 2561 static int 2562 process_lost_event(struct perf_tool *tool, 2563 union perf_event *event, 2564 struct perf_sample *sample, 2565 struct machine *machine) 2566 { 2567 return print_event(tool, event, sample, machine, sample->pid, 2568 sample->tid); 2569 } 2570 2571 static int 2572 process_throttle_event(struct perf_tool *tool __maybe_unused, 2573 union perf_event *event, 2574 struct perf_sample *sample, 2575 struct machine *machine) 2576 { 2577 if (scripting_ops && scripting_ops->process_throttle) 2578 scripting_ops->process_throttle(event, sample, machine); 2579 return 0; 2580 } 2581 2582 static int 2583 process_finished_round_event(struct perf_tool *tool __maybe_unused, 2584 union perf_event *event, 2585 struct ordered_events *oe __maybe_unused) 2586 2587 { 2588 perf_event__fprintf(event, NULL, stdout); 2589 return 0; 2590 } 2591 2592 static int 2593 process_bpf_events(struct perf_tool *tool __maybe_unused, 2594 union perf_event *event, 2595 struct perf_sample *sample, 2596 struct machine *machine) 2597 { 2598 if (machine__process_ksymbol(machine, event, sample) < 0) 2599 return -1; 2600 2601 return print_event(tool, event, sample, machine, sample->pid, 2602 sample->tid); 2603 } 2604 2605 static int process_text_poke_events(struct perf_tool *tool, 2606 union perf_event *event, 2607 struct perf_sample *sample, 2608 struct machine *machine) 2609 { 2610 if (perf_event__process_text_poke(tool, event, sample, machine) < 0) 2611 return -1; 2612 2613 return print_event(tool, event, sample, machine, sample->pid, 2614 sample->tid); 2615 } 2616 2617 static void sig_handler(int sig __maybe_unused) 2618 { 2619 session_done = 1; 2620 } 2621 2622 static void perf_script__fclose_per_event_dump(struct perf_script *script) 2623 { 2624 struct evlist *evlist = script->session->evlist; 2625 struct evsel *evsel; 2626 2627 evlist__for_each_entry(evlist, evsel) { 2628 if (!evsel->priv) 2629 break; 2630 evsel_script__delete(evsel->priv); 2631 evsel->priv = NULL; 2632 } 2633 } 2634 2635 static int perf_script__fopen_per_event_dump(struct perf_script *script) 2636 { 2637 struct evsel *evsel; 2638 2639 evlist__for_each_entry(script->session->evlist, evsel) { 2640 /* 2641 * Already setup? I.e. we may be called twice in cases like 2642 * Intel PT, one for the intel_pt// and dummy events, then 2643 * for the evsels synthesized from the auxtrace info. 2644 * 2645 * Ses perf_script__process_auxtrace_info. 2646 */ 2647 if (evsel->priv != NULL) 2648 continue; 2649 2650 evsel->priv = evsel_script__new(evsel, script->session->data); 2651 if (evsel->priv == NULL) 2652 goto out_err_fclose; 2653 } 2654 2655 return 0; 2656 2657 out_err_fclose: 2658 perf_script__fclose_per_event_dump(script); 2659 return -1; 2660 } 2661 2662 static int perf_script__setup_per_event_dump(struct perf_script *script) 2663 { 2664 struct evsel *evsel; 2665 static struct evsel_script es_stdout; 2666 2667 if (script->per_event_dump) 2668 return perf_script__fopen_per_event_dump(script); 2669 2670 es_stdout.fp = stdout; 2671 2672 evlist__for_each_entry(script->session->evlist, evsel) 2673 evsel->priv = &es_stdout; 2674 2675 return 0; 2676 } 2677 2678 static void perf_script__exit_per_event_dump_stats(struct perf_script *script) 2679 { 2680 struct evsel *evsel; 2681 2682 evlist__for_each_entry(script->session->evlist, evsel) { 2683 struct evsel_script *es = evsel->priv; 2684 2685 evsel_script__fprintf(es, stdout); 2686 evsel_script__delete(es); 2687 evsel->priv = NULL; 2688 } 2689 } 2690 2691 static void perf_script__exit(struct perf_script *script) 2692 { 2693 perf_thread_map__put(script->threads); 2694 perf_cpu_map__put(script->cpus); 2695 } 2696 2697 static int __cmd_script(struct perf_script *script) 2698 { 2699 int ret; 2700 2701 signal(SIGINT, sig_handler); 2702 2703 perf_stat__init_shadow_stats(); 2704 2705 /* override event processing functions */ 2706 if (script->show_task_events) { 2707 script->tool.comm = process_comm_event; 2708 script->tool.fork = process_fork_event; 2709 script->tool.exit = process_exit_event; 2710 } 2711 if (script->show_mmap_events) { 2712 script->tool.mmap = process_mmap_event; 2713 script->tool.mmap2 = process_mmap2_event; 2714 } 2715 if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch)) 2716 script->tool.context_switch = process_switch_event; 2717 if (scripting_ops && scripting_ops->process_auxtrace_error) 2718 script->tool.auxtrace_error = process_auxtrace_error; 2719 if (script->show_namespace_events) 2720 script->tool.namespaces = process_namespaces_event; 2721 if (script->show_cgroup_events) 2722 script->tool.cgroup = process_cgroup_event; 2723 if (script->show_lost_events) 2724 script->tool.lost = process_lost_event; 2725 if (script->show_round_events) { 2726 script->tool.ordered_events = false; 2727 script->tool.finished_round = process_finished_round_event; 2728 } 2729 if (script->show_bpf_events) { 2730 script->tool.ksymbol = process_bpf_events; 2731 script->tool.bpf = process_bpf_events; 2732 } 2733 if (script->show_text_poke_events) { 2734 script->tool.ksymbol = process_bpf_events; 2735 script->tool.text_poke = process_text_poke_events; 2736 } 2737 2738 if (perf_script__setup_per_event_dump(script)) { 2739 pr_err("Couldn't create the per event dump files\n"); 2740 return -1; 2741 } 2742 2743 ret = perf_session__process_events(script->session); 2744 2745 if (script->per_event_dump) 2746 perf_script__exit_per_event_dump_stats(script); 2747 2748 if (debug_mode) 2749 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); 2750 2751 return ret; 2752 } 2753 2754 struct script_spec { 2755 struct list_head node; 2756 struct scripting_ops *ops; 2757 char spec[]; 2758 }; 2759 2760 static LIST_HEAD(script_specs); 2761 2762 static struct script_spec *script_spec__new(const char *spec, 2763 struct scripting_ops *ops) 2764 { 2765 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); 2766 2767 if (s != NULL) { 2768 strcpy(s->spec, spec); 2769 s->ops = ops; 2770 } 2771 2772 return s; 2773 } 2774 2775 static void script_spec__add(struct script_spec *s) 2776 { 2777 list_add_tail(&s->node, &script_specs); 2778 } 2779 2780 static struct script_spec *script_spec__find(const char *spec) 2781 { 2782 struct script_spec *s; 2783 2784 list_for_each_entry(s, &script_specs, node) 2785 if (strcasecmp(s->spec, spec) == 0) 2786 return s; 2787 return NULL; 2788 } 2789 2790 int script_spec_register(const char *spec, struct scripting_ops *ops) 2791 { 2792 struct script_spec *s; 2793 2794 s = script_spec__find(spec); 2795 if (s) 2796 return -1; 2797 2798 s = script_spec__new(spec, ops); 2799 if (!s) 2800 return -1; 2801 else 2802 script_spec__add(s); 2803 2804 return 0; 2805 } 2806 2807 static struct scripting_ops *script_spec__lookup(const char *spec) 2808 { 2809 struct script_spec *s = script_spec__find(spec); 2810 if (!s) 2811 return NULL; 2812 2813 return s->ops; 2814 } 2815 2816 static void list_available_languages(void) 2817 { 2818 struct script_spec *s; 2819 2820 fprintf(stderr, "\n"); 2821 fprintf(stderr, "Scripting language extensions (used in " 2822 "perf script -s [spec:]script.[spec]):\n\n"); 2823 2824 list_for_each_entry(s, &script_specs, node) 2825 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); 2826 2827 fprintf(stderr, "\n"); 2828 } 2829 2830 /* Find script file relative to current directory or exec path */ 2831 static char *find_script(const char *script) 2832 { 2833 char path[PATH_MAX]; 2834 2835 if (!scripting_ops) { 2836 const char *ext = strrchr(script, '.'); 2837 2838 if (!ext) 2839 return NULL; 2840 2841 scripting_ops = script_spec__lookup(++ext); 2842 if (!scripting_ops) 2843 return NULL; 2844 } 2845 2846 if (access(script, R_OK)) { 2847 char *exec_path = get_argv_exec_path(); 2848 2849 if (!exec_path) 2850 return NULL; 2851 snprintf(path, sizeof(path), "%s/scripts/%s/%s", 2852 exec_path, scripting_ops->dirname, script); 2853 free(exec_path); 2854 script = path; 2855 if (access(script, R_OK)) 2856 return NULL; 2857 } 2858 return strdup(script); 2859 } 2860 2861 static int parse_scriptname(const struct option *opt __maybe_unused, 2862 const char *str, int unset __maybe_unused) 2863 { 2864 char spec[PATH_MAX]; 2865 const char *script, *ext; 2866 int len; 2867 2868 if (strcmp(str, "lang") == 0) { 2869 list_available_languages(); 2870 exit(0); 2871 } 2872 2873 script = strchr(str, ':'); 2874 if (script) { 2875 len = script - str; 2876 if (len >= PATH_MAX) { 2877 fprintf(stderr, "invalid language specifier"); 2878 return -1; 2879 } 2880 strncpy(spec, str, len); 2881 spec[len] = '\0'; 2882 scripting_ops = script_spec__lookup(spec); 2883 if (!scripting_ops) { 2884 fprintf(stderr, "invalid language specifier"); 2885 return -1; 2886 } 2887 script++; 2888 } else { 2889 script = str; 2890 ext = strrchr(script, '.'); 2891 if (!ext) { 2892 fprintf(stderr, "invalid script extension"); 2893 return -1; 2894 } 2895 scripting_ops = script_spec__lookup(++ext); 2896 if (!scripting_ops) { 2897 fprintf(stderr, "invalid script extension"); 2898 return -1; 2899 } 2900 } 2901 2902 script_name = find_script(script); 2903 if (!script_name) 2904 script_name = strdup(script); 2905 2906 return 0; 2907 } 2908 2909 static int parse_output_fields(const struct option *opt __maybe_unused, 2910 const char *arg, int unset __maybe_unused) 2911 { 2912 char *tok, *strtok_saveptr = NULL; 2913 int i, imax = ARRAY_SIZE(all_output_options); 2914 int j; 2915 int rc = 0; 2916 char *str = strdup(arg); 2917 int type = -1; 2918 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT; 2919 2920 if (!str) 2921 return -ENOMEM; 2922 2923 /* first word can state for which event type the user is specifying 2924 * the fields. If no type exists, the specified fields apply to all 2925 * event types found in the file minus the invalid fields for a type. 2926 */ 2927 tok = strchr(str, ':'); 2928 if (tok) { 2929 *tok = '\0'; 2930 tok++; 2931 if (!strcmp(str, "hw")) 2932 type = PERF_TYPE_HARDWARE; 2933 else if (!strcmp(str, "sw")) 2934 type = PERF_TYPE_SOFTWARE; 2935 else if (!strcmp(str, "trace")) 2936 type = PERF_TYPE_TRACEPOINT; 2937 else if (!strcmp(str, "raw")) 2938 type = PERF_TYPE_RAW; 2939 else if (!strcmp(str, "break")) 2940 type = PERF_TYPE_BREAKPOINT; 2941 else if (!strcmp(str, "synth")) 2942 type = OUTPUT_TYPE_SYNTH; 2943 else { 2944 fprintf(stderr, "Invalid event type in field string.\n"); 2945 rc = -EINVAL; 2946 goto out; 2947 } 2948 2949 if (output[type].user_set) 2950 pr_warning("Overriding previous field request for %s events.\n", 2951 event_type(type)); 2952 2953 /* Don't override defaults for +- */ 2954 if (strchr(tok, '+') || strchr(tok, '-')) 2955 goto parse; 2956 2957 output[type].fields = 0; 2958 output[type].user_set = true; 2959 output[type].wildcard_set = false; 2960 2961 } else { 2962 tok = str; 2963 if (strlen(str) == 0) { 2964 fprintf(stderr, 2965 "Cannot set fields to 'none' for all event types.\n"); 2966 rc = -EINVAL; 2967 goto out; 2968 } 2969 2970 /* Don't override defaults for +- */ 2971 if (strchr(str, '+') || strchr(str, '-')) 2972 goto parse; 2973 2974 if (output_set_by_user()) 2975 pr_warning("Overriding previous field request for all events.\n"); 2976 2977 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 2978 output[j].fields = 0; 2979 output[j].user_set = true; 2980 output[j].wildcard_set = true; 2981 } 2982 } 2983 2984 parse: 2985 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) { 2986 if (*tok == '+') { 2987 if (change == SET) 2988 goto out_badmix; 2989 change = ADD; 2990 tok++; 2991 } else if (*tok == '-') { 2992 if (change == SET) 2993 goto out_badmix; 2994 change = REMOVE; 2995 tok++; 2996 } else { 2997 if (change != SET && change != DEFAULT) 2998 goto out_badmix; 2999 change = SET; 3000 } 3001 3002 for (i = 0; i < imax; ++i) { 3003 if (strcmp(tok, all_output_options[i].str) == 0) 3004 break; 3005 } 3006 if (i == imax && strcmp(tok, "flags") == 0) { 3007 print_flags = change != REMOVE; 3008 continue; 3009 } 3010 if (i == imax) { 3011 fprintf(stderr, "Invalid field requested.\n"); 3012 rc = -EINVAL; 3013 goto out; 3014 } 3015 3016 if (type == -1) { 3017 /* add user option to all events types for 3018 * which it is valid 3019 */ 3020 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 3021 if (output[j].invalid_fields & all_output_options[i].field) { 3022 pr_warning("\'%s\' not valid for %s events. Ignoring.\n", 3023 all_output_options[i].str, event_type(j)); 3024 } else { 3025 if (change == REMOVE) { 3026 output[j].fields &= ~all_output_options[i].field; 3027 output[j].user_set_fields &= ~all_output_options[i].field; 3028 output[j].user_unset_fields |= all_output_options[i].field; 3029 } else { 3030 output[j].fields |= all_output_options[i].field; 3031 output[j].user_set_fields |= all_output_options[i].field; 3032 output[j].user_unset_fields &= ~all_output_options[i].field; 3033 } 3034 output[j].user_set = true; 3035 output[j].wildcard_set = true; 3036 } 3037 } 3038 } else { 3039 if (output[type].invalid_fields & all_output_options[i].field) { 3040 fprintf(stderr, "\'%s\' not valid for %s events.\n", 3041 all_output_options[i].str, event_type(type)); 3042 3043 rc = -EINVAL; 3044 goto out; 3045 } 3046 if (change == REMOVE) 3047 output[type].fields &= ~all_output_options[i].field; 3048 else 3049 output[type].fields |= all_output_options[i].field; 3050 output[type].user_set = true; 3051 output[type].wildcard_set = true; 3052 } 3053 } 3054 3055 if (type >= 0) { 3056 if (output[type].fields == 0) { 3057 pr_debug("No fields requested for %s type. " 3058 "Events will not be displayed.\n", event_type(type)); 3059 } 3060 } 3061 goto out; 3062 3063 out_badmix: 3064 fprintf(stderr, "Cannot mix +-field with overridden fields\n"); 3065 rc = -EINVAL; 3066 out: 3067 free(str); 3068 return rc; 3069 } 3070 3071 #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \ 3072 while ((lang_dirent = readdir(scripts_dir)) != NULL) \ 3073 if ((lang_dirent->d_type == DT_DIR || \ 3074 (lang_dirent->d_type == DT_UNKNOWN && \ 3075 is_directory(scripts_path, lang_dirent))) && \ 3076 (strcmp(lang_dirent->d_name, ".")) && \ 3077 (strcmp(lang_dirent->d_name, ".."))) 3078 3079 #define for_each_script(lang_path, lang_dir, script_dirent) \ 3080 while ((script_dirent = readdir(lang_dir)) != NULL) \ 3081 if (script_dirent->d_type != DT_DIR && \ 3082 (script_dirent->d_type != DT_UNKNOWN || \ 3083 !is_directory(lang_path, script_dirent))) 3084 3085 3086 #define RECORD_SUFFIX "-record" 3087 #define REPORT_SUFFIX "-report" 3088 3089 struct script_desc { 3090 struct list_head node; 3091 char *name; 3092 char *half_liner; 3093 char *args; 3094 }; 3095 3096 static LIST_HEAD(script_descs); 3097 3098 static struct script_desc *script_desc__new(const char *name) 3099 { 3100 struct script_desc *s = zalloc(sizeof(*s)); 3101 3102 if (s != NULL && name) 3103 s->name = strdup(name); 3104 3105 return s; 3106 } 3107 3108 static void script_desc__delete(struct script_desc *s) 3109 { 3110 zfree(&s->name); 3111 zfree(&s->half_liner); 3112 zfree(&s->args); 3113 free(s); 3114 } 3115 3116 static void script_desc__add(struct script_desc *s) 3117 { 3118 list_add_tail(&s->node, &script_descs); 3119 } 3120 3121 static struct script_desc *script_desc__find(const char *name) 3122 { 3123 struct script_desc *s; 3124 3125 list_for_each_entry(s, &script_descs, node) 3126 if (strcasecmp(s->name, name) == 0) 3127 return s; 3128 return NULL; 3129 } 3130 3131 static struct script_desc *script_desc__findnew(const char *name) 3132 { 3133 struct script_desc *s = script_desc__find(name); 3134 3135 if (s) 3136 return s; 3137 3138 s = script_desc__new(name); 3139 if (!s) 3140 return NULL; 3141 3142 script_desc__add(s); 3143 3144 return s; 3145 } 3146 3147 static const char *ends_with(const char *str, const char *suffix) 3148 { 3149 size_t suffix_len = strlen(suffix); 3150 const char *p = str; 3151 3152 if (strlen(str) > suffix_len) { 3153 p = str + strlen(str) - suffix_len; 3154 if (!strncmp(p, suffix, suffix_len)) 3155 return p; 3156 } 3157 3158 return NULL; 3159 } 3160 3161 static int read_script_info(struct script_desc *desc, const char *filename) 3162 { 3163 char line[BUFSIZ], *p; 3164 FILE *fp; 3165 3166 fp = fopen(filename, "r"); 3167 if (!fp) 3168 return -1; 3169 3170 while (fgets(line, sizeof(line), fp)) { 3171 p = skip_spaces(line); 3172 if (strlen(p) == 0) 3173 continue; 3174 if (*p != '#') 3175 continue; 3176 p++; 3177 if (strlen(p) && *p == '!') 3178 continue; 3179 3180 p = skip_spaces(p); 3181 if (strlen(p) && p[strlen(p) - 1] == '\n') 3182 p[strlen(p) - 1] = '\0'; 3183 3184 if (!strncmp(p, "description:", strlen("description:"))) { 3185 p += strlen("description:"); 3186 desc->half_liner = strdup(skip_spaces(p)); 3187 continue; 3188 } 3189 3190 if (!strncmp(p, "args:", strlen("args:"))) { 3191 p += strlen("args:"); 3192 desc->args = strdup(skip_spaces(p)); 3193 continue; 3194 } 3195 } 3196 3197 fclose(fp); 3198 3199 return 0; 3200 } 3201 3202 static char *get_script_root(struct dirent *script_dirent, const char *suffix) 3203 { 3204 char *script_root, *str; 3205 3206 script_root = strdup(script_dirent->d_name); 3207 if (!script_root) 3208 return NULL; 3209 3210 str = (char *)ends_with(script_root, suffix); 3211 if (!str) { 3212 free(script_root); 3213 return NULL; 3214 } 3215 3216 *str = '\0'; 3217 return script_root; 3218 } 3219 3220 static int list_available_scripts(const struct option *opt __maybe_unused, 3221 const char *s __maybe_unused, 3222 int unset __maybe_unused) 3223 { 3224 struct dirent *script_dirent, *lang_dirent; 3225 char scripts_path[MAXPATHLEN]; 3226 DIR *scripts_dir, *lang_dir; 3227 char script_path[MAXPATHLEN]; 3228 char lang_path[MAXPATHLEN]; 3229 struct script_desc *desc; 3230 char first_half[BUFSIZ]; 3231 char *script_root; 3232 3233 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3234 3235 scripts_dir = opendir(scripts_path); 3236 if (!scripts_dir) { 3237 fprintf(stdout, 3238 "open(%s) failed.\n" 3239 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n", 3240 scripts_path); 3241 exit(-1); 3242 } 3243 3244 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3245 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3246 lang_dirent->d_name); 3247 lang_dir = opendir(lang_path); 3248 if (!lang_dir) 3249 continue; 3250 3251 for_each_script(lang_path, lang_dir, script_dirent) { 3252 script_root = get_script_root(script_dirent, REPORT_SUFFIX); 3253 if (script_root) { 3254 desc = script_desc__findnew(script_root); 3255 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3256 lang_path, script_dirent->d_name); 3257 read_script_info(desc, script_path); 3258 free(script_root); 3259 } 3260 } 3261 } 3262 3263 fprintf(stdout, "List of available trace scripts:\n"); 3264 list_for_each_entry(desc, &script_descs, node) { 3265 sprintf(first_half, "%s %s", desc->name, 3266 desc->args ? desc->args : ""); 3267 fprintf(stdout, " %-36s %s\n", first_half, 3268 desc->half_liner ? desc->half_liner : ""); 3269 } 3270 3271 exit(0); 3272 } 3273 3274 static int add_dlarg(const struct option *opt __maybe_unused, 3275 const char *s, int unset __maybe_unused) 3276 { 3277 char *arg = strdup(s); 3278 void *a; 3279 3280 if (!arg) 3281 return -1; 3282 3283 a = realloc(dlargv, sizeof(dlargv[0]) * (dlargc + 1)); 3284 if (!a) { 3285 free(arg); 3286 return -1; 3287 } 3288 3289 dlargv = a; 3290 dlargv[dlargc++] = arg; 3291 3292 return 0; 3293 } 3294 3295 static void free_dlarg(void) 3296 { 3297 while (dlargc--) 3298 free(dlargv[dlargc]); 3299 free(dlargv); 3300 } 3301 3302 /* 3303 * Some scripts specify the required events in their "xxx-record" file, 3304 * this function will check if the events in perf.data match those 3305 * mentioned in the "xxx-record". 3306 * 3307 * Fixme: All existing "xxx-record" are all in good formats "-e event ", 3308 * which is covered well now. And new parsing code should be added to 3309 * cover the future complex formats like event groups etc. 3310 */ 3311 static int check_ev_match(char *dir_name, char *scriptname, 3312 struct perf_session *session) 3313 { 3314 char filename[MAXPATHLEN], evname[128]; 3315 char line[BUFSIZ], *p; 3316 struct evsel *pos; 3317 int match, len; 3318 FILE *fp; 3319 3320 scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname); 3321 3322 fp = fopen(filename, "r"); 3323 if (!fp) 3324 return -1; 3325 3326 while (fgets(line, sizeof(line), fp)) { 3327 p = skip_spaces(line); 3328 if (*p == '#') 3329 continue; 3330 3331 while (strlen(p)) { 3332 p = strstr(p, "-e"); 3333 if (!p) 3334 break; 3335 3336 p += 2; 3337 p = skip_spaces(p); 3338 len = strcspn(p, " \t"); 3339 if (!len) 3340 break; 3341 3342 snprintf(evname, len + 1, "%s", p); 3343 3344 match = 0; 3345 evlist__for_each_entry(session->evlist, pos) { 3346 if (!strcmp(evsel__name(pos), evname)) { 3347 match = 1; 3348 break; 3349 } 3350 } 3351 3352 if (!match) { 3353 fclose(fp); 3354 return -1; 3355 } 3356 } 3357 } 3358 3359 fclose(fp); 3360 return 0; 3361 } 3362 3363 /* 3364 * Return -1 if none is found, otherwise the actual scripts number. 3365 * 3366 * Currently the only user of this function is the script browser, which 3367 * will list all statically runnable scripts, select one, execute it and 3368 * show the output in a perf browser. 3369 */ 3370 int find_scripts(char **scripts_array, char **scripts_path_array, int num, 3371 int pathlen) 3372 { 3373 struct dirent *script_dirent, *lang_dirent; 3374 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; 3375 DIR *scripts_dir, *lang_dir; 3376 struct perf_session *session; 3377 struct perf_data data = { 3378 .path = input_name, 3379 .mode = PERF_DATA_MODE_READ, 3380 }; 3381 char *temp; 3382 int i = 0; 3383 3384 session = perf_session__new(&data, NULL); 3385 if (IS_ERR(session)) 3386 return PTR_ERR(session); 3387 3388 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3389 3390 scripts_dir = opendir(scripts_path); 3391 if (!scripts_dir) { 3392 perf_session__delete(session); 3393 return -1; 3394 } 3395 3396 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3397 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, 3398 lang_dirent->d_name); 3399 #ifndef HAVE_LIBPERL_SUPPORT 3400 if (strstr(lang_path, "perl")) 3401 continue; 3402 #endif 3403 #ifndef HAVE_LIBPYTHON_SUPPORT 3404 if (strstr(lang_path, "python")) 3405 continue; 3406 #endif 3407 3408 lang_dir = opendir(lang_path); 3409 if (!lang_dir) 3410 continue; 3411 3412 for_each_script(lang_path, lang_dir, script_dirent) { 3413 /* Skip those real time scripts: xxxtop.p[yl] */ 3414 if (strstr(script_dirent->d_name, "top.")) 3415 continue; 3416 if (i >= num) 3417 break; 3418 snprintf(scripts_path_array[i], pathlen, "%s/%s", 3419 lang_path, 3420 script_dirent->d_name); 3421 temp = strchr(script_dirent->d_name, '.'); 3422 snprintf(scripts_array[i], 3423 (temp - script_dirent->d_name) + 1, 3424 "%s", script_dirent->d_name); 3425 3426 if (check_ev_match(lang_path, 3427 scripts_array[i], session)) 3428 continue; 3429 3430 i++; 3431 } 3432 closedir(lang_dir); 3433 } 3434 3435 closedir(scripts_dir); 3436 perf_session__delete(session); 3437 return i; 3438 } 3439 3440 static char *get_script_path(const char *script_root, const char *suffix) 3441 { 3442 struct dirent *script_dirent, *lang_dirent; 3443 char scripts_path[MAXPATHLEN]; 3444 char script_path[MAXPATHLEN]; 3445 DIR *scripts_dir, *lang_dir; 3446 char lang_path[MAXPATHLEN]; 3447 char *__script_root; 3448 3449 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3450 3451 scripts_dir = opendir(scripts_path); 3452 if (!scripts_dir) 3453 return NULL; 3454 3455 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3456 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3457 lang_dirent->d_name); 3458 lang_dir = opendir(lang_path); 3459 if (!lang_dir) 3460 continue; 3461 3462 for_each_script(lang_path, lang_dir, script_dirent) { 3463 __script_root = get_script_root(script_dirent, suffix); 3464 if (__script_root && !strcmp(script_root, __script_root)) { 3465 free(__script_root); 3466 closedir(scripts_dir); 3467 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3468 lang_path, script_dirent->d_name); 3469 closedir(lang_dir); 3470 return strdup(script_path); 3471 } 3472 free(__script_root); 3473 } 3474 closedir(lang_dir); 3475 } 3476 closedir(scripts_dir); 3477 3478 return NULL; 3479 } 3480 3481 static bool is_top_script(const char *script_path) 3482 { 3483 return ends_with(script_path, "top") != NULL; 3484 } 3485 3486 static int has_required_arg(char *script_path) 3487 { 3488 struct script_desc *desc; 3489 int n_args = 0; 3490 char *p; 3491 3492 desc = script_desc__new(NULL); 3493 3494 if (read_script_info(desc, script_path)) 3495 goto out; 3496 3497 if (!desc->args) 3498 goto out; 3499 3500 for (p = desc->args; *p; p++) 3501 if (*p == '<') 3502 n_args++; 3503 out: 3504 script_desc__delete(desc); 3505 3506 return n_args; 3507 } 3508 3509 static int have_cmd(int argc, const char **argv) 3510 { 3511 char **__argv = malloc(sizeof(const char *) * argc); 3512 3513 if (!__argv) { 3514 pr_err("malloc failed\n"); 3515 return -1; 3516 } 3517 3518 memcpy(__argv, argv, sizeof(const char *) * argc); 3519 argc = parse_options(argc, (const char **)__argv, record_options, 3520 NULL, PARSE_OPT_STOP_AT_NON_OPTION); 3521 free(__argv); 3522 3523 system_wide = (argc == 0); 3524 3525 return 0; 3526 } 3527 3528 static void script__setup_sample_type(struct perf_script *script) 3529 { 3530 struct perf_session *session = script->session; 3531 u64 sample_type = evlist__combined_sample_type(session->evlist); 3532 3533 callchain_param_setup(sample_type, perf_env__arch(session->machines.host.env)); 3534 3535 if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) { 3536 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n" 3537 "Please apply --call-graph lbr when recording.\n"); 3538 script->stitch_lbr = false; 3539 } 3540 } 3541 3542 static int process_stat_round_event(struct perf_session *session, 3543 union perf_event *event) 3544 { 3545 struct perf_record_stat_round *round = &event->stat_round; 3546 struct evsel *counter; 3547 3548 evlist__for_each_entry(session->evlist, counter) { 3549 perf_stat_process_counter(&stat_config, counter); 3550 process_stat(counter, round->time); 3551 } 3552 3553 process_stat_interval(round->time); 3554 return 0; 3555 } 3556 3557 static int process_stat_config_event(struct perf_session *session __maybe_unused, 3558 union perf_event *event) 3559 { 3560 perf_event__read_stat_config(&stat_config, &event->stat_config); 3561 return 0; 3562 } 3563 3564 static int set_maps(struct perf_script *script) 3565 { 3566 struct evlist *evlist = script->session->evlist; 3567 3568 if (!script->cpus || !script->threads) 3569 return 0; 3570 3571 if (WARN_ONCE(script->allocated, "stats double allocation\n")) 3572 return -EINVAL; 3573 3574 perf_evlist__set_maps(&evlist->core, script->cpus, script->threads); 3575 3576 if (evlist__alloc_stats(evlist, true)) 3577 return -ENOMEM; 3578 3579 script->allocated = true; 3580 return 0; 3581 } 3582 3583 static 3584 int process_thread_map_event(struct perf_session *session, 3585 union perf_event *event) 3586 { 3587 struct perf_tool *tool = session->tool; 3588 struct perf_script *script = container_of(tool, struct perf_script, tool); 3589 3590 if (script->threads) { 3591 pr_warning("Extra thread map event, ignoring.\n"); 3592 return 0; 3593 } 3594 3595 script->threads = thread_map__new_event(&event->thread_map); 3596 if (!script->threads) 3597 return -ENOMEM; 3598 3599 return set_maps(script); 3600 } 3601 3602 static 3603 int process_cpu_map_event(struct perf_session *session, 3604 union perf_event *event) 3605 { 3606 struct perf_tool *tool = session->tool; 3607 struct perf_script *script = container_of(tool, struct perf_script, tool); 3608 3609 if (script->cpus) { 3610 pr_warning("Extra cpu map event, ignoring.\n"); 3611 return 0; 3612 } 3613 3614 script->cpus = cpu_map__new_data(&event->cpu_map.data); 3615 if (!script->cpus) 3616 return -ENOMEM; 3617 3618 return set_maps(script); 3619 } 3620 3621 static int process_feature_event(struct perf_session *session, 3622 union perf_event *event) 3623 { 3624 if (event->feat.feat_id < HEADER_LAST_FEATURE) 3625 return perf_event__process_feature(session, event); 3626 return 0; 3627 } 3628 3629 #ifdef HAVE_AUXTRACE_SUPPORT 3630 static int perf_script__process_auxtrace_info(struct perf_session *session, 3631 union perf_event *event) 3632 { 3633 struct perf_tool *tool = session->tool; 3634 3635 int ret = perf_event__process_auxtrace_info(session, event); 3636 3637 if (ret == 0) { 3638 struct perf_script *script = container_of(tool, struct perf_script, tool); 3639 3640 ret = perf_script__setup_per_event_dump(script); 3641 } 3642 3643 return ret; 3644 } 3645 #else 3646 #define perf_script__process_auxtrace_info 0 3647 #endif 3648 3649 static int parse_insn_trace(const struct option *opt __maybe_unused, 3650 const char *str __maybe_unused, 3651 int unset __maybe_unused) 3652 { 3653 parse_output_fields(NULL, "+insn,-event,-period", 0); 3654 itrace_parse_synth_opts(opt, "i0ns", 0); 3655 symbol_conf.nanosecs = true; 3656 return 0; 3657 } 3658 3659 static int parse_xed(const struct option *opt __maybe_unused, 3660 const char *str __maybe_unused, 3661 int unset __maybe_unused) 3662 { 3663 if (isatty(1)) 3664 force_pager("xed -F insn: -A -64 | less"); 3665 else 3666 force_pager("xed -F insn: -A -64"); 3667 return 0; 3668 } 3669 3670 static int parse_call_trace(const struct option *opt __maybe_unused, 3671 const char *str __maybe_unused, 3672 int unset __maybe_unused) 3673 { 3674 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0); 3675 itrace_parse_synth_opts(opt, "cewp", 0); 3676 symbol_conf.nanosecs = true; 3677 symbol_conf.pad_output_len_dso = 50; 3678 return 0; 3679 } 3680 3681 static int parse_callret_trace(const struct option *opt __maybe_unused, 3682 const char *str __maybe_unused, 3683 int unset __maybe_unused) 3684 { 3685 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0); 3686 itrace_parse_synth_opts(opt, "crewp", 0); 3687 symbol_conf.nanosecs = true; 3688 return 0; 3689 } 3690 3691 int cmd_script(int argc, const char **argv) 3692 { 3693 bool show_full_info = false; 3694 bool header = false; 3695 bool header_only = false; 3696 bool script_started = false; 3697 char *rec_script_path = NULL; 3698 char *rep_script_path = NULL; 3699 struct perf_session *session; 3700 struct itrace_synth_opts itrace_synth_opts = { 3701 .set = false, 3702 .default_no_sample = true, 3703 }; 3704 struct utsname uts; 3705 char *script_path = NULL; 3706 const char *dlfilter_file = NULL; 3707 const char **__argv; 3708 int i, j, err = 0; 3709 struct perf_script script = { 3710 .tool = { 3711 .sample = process_sample_event, 3712 .mmap = perf_event__process_mmap, 3713 .mmap2 = perf_event__process_mmap2, 3714 .comm = perf_event__process_comm, 3715 .namespaces = perf_event__process_namespaces, 3716 .cgroup = perf_event__process_cgroup, 3717 .exit = perf_event__process_exit, 3718 .fork = perf_event__process_fork, 3719 .attr = process_attr, 3720 .event_update = perf_event__process_event_update, 3721 .tracing_data = perf_event__process_tracing_data, 3722 .feature = process_feature_event, 3723 .build_id = perf_event__process_build_id, 3724 .id_index = perf_event__process_id_index, 3725 .auxtrace_info = perf_script__process_auxtrace_info, 3726 .auxtrace = perf_event__process_auxtrace, 3727 .auxtrace_error = perf_event__process_auxtrace_error, 3728 .stat = perf_event__process_stat_event, 3729 .stat_round = process_stat_round_event, 3730 .stat_config = process_stat_config_event, 3731 .thread_map = process_thread_map_event, 3732 .cpu_map = process_cpu_map_event, 3733 .throttle = process_throttle_event, 3734 .unthrottle = process_throttle_event, 3735 .ordered_events = true, 3736 .ordering_requires_timestamps = true, 3737 }, 3738 }; 3739 struct perf_data data = { 3740 .mode = PERF_DATA_MODE_READ, 3741 }; 3742 const struct option options[] = { 3743 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 3744 "dump raw trace in ASCII"), 3745 OPT_INCR('v', "verbose", &verbose, 3746 "be more verbose (show symbol address, etc)"), 3747 OPT_BOOLEAN('L', "Latency", &latency_format, 3748 "show latency attributes (irqs/preemption disabled, etc)"), 3749 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", 3750 list_available_scripts), 3751 OPT_CALLBACK_NOOPT(0, "list-dlfilters", NULL, NULL, "list available dlfilters", 3752 list_available_dlfilters), 3753 OPT_CALLBACK('s', "script", NULL, "name", 3754 "script file name (lang:script name, script name, or *)", 3755 parse_scriptname), 3756 OPT_STRING('g', "gen-script", &generate_script_lang, "lang", 3757 "generate perf-script.xx script in specified language"), 3758 OPT_STRING(0, "dlfilter", &dlfilter_file, "file", "filter .so file name"), 3759 OPT_CALLBACK(0, "dlarg", NULL, "argument", "filter argument", 3760 add_dlarg), 3761 OPT_STRING('i', "input", &input_name, "file", "input file name"), 3762 OPT_BOOLEAN('d', "debug-mode", &debug_mode, 3763 "do various checks like samples ordering and lost events"), 3764 OPT_BOOLEAN(0, "header", &header, "Show data header."), 3765 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."), 3766 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 3767 "file", "vmlinux pathname"), 3768 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 3769 "file", "kallsyms pathname"), 3770 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, 3771 "When printing symbols do not display call chain"), 3772 OPT_CALLBACK(0, "symfs", NULL, "directory", 3773 "Look for files with symbols relative to this directory", 3774 symbol__config_symfs), 3775 OPT_CALLBACK('F', "fields", NULL, "str", 3776 "comma separated output fields prepend with 'type:'. " 3777 "+field to add and -field to remove." 3778 "Valid types: hw,sw,trace,raw,synth. " 3779 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso," 3780 "addr,symoff,srcline,period,iregs,uregs,brstack," 3781 "brstacksym,flags,bpf-output,brstackinsn,brstackoff," 3782 "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc,tod," 3783 "data_page_size,code_page_size,ins_lat", 3784 parse_output_fields), 3785 OPT_BOOLEAN('a', "all-cpus", &system_wide, 3786 "system-wide collection from all CPUs"), 3787 OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", 3788 "only consider symbols in these DSOs"), 3789 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 3790 "only consider these symbols"), 3791 OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range, 3792 "Use with -S to list traced records within address range"), 3793 OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL, 3794 "Decode instructions from itrace", parse_insn_trace), 3795 OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL, 3796 "Run xed disassembler on output", parse_xed), 3797 OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL, 3798 "Decode calls from from itrace", parse_call_trace), 3799 OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL, 3800 "Decode calls and returns from itrace", parse_callret_trace), 3801 OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]", 3802 "Only print symbols and callees with --call-trace/--call-ret-trace"), 3803 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]", 3804 "Stop display of callgraph at these symbols"), 3805 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), 3806 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 3807 "only display events for these comms"), 3808 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 3809 "only consider symbols in these pids"), 3810 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 3811 "only consider symbols in these tids"), 3812 OPT_UINTEGER(0, "max-stack", &scripting_max_stack, 3813 "Set the maximum stack depth when parsing the callchain, " 3814 "anything beyond the specified depth will be ignored. " 3815 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 3816 OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"), 3817 OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"), 3818 OPT_BOOLEAN('I', "show-info", &show_full_info, 3819 "display extended information from perf.data file"), 3820 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, 3821 "Show the path of [kernel.kallsyms]"), 3822 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, 3823 "Show the fork/comm/exit events"), 3824 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, 3825 "Show the mmap events"), 3826 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events, 3827 "Show context switch events (if recorded)"), 3828 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events, 3829 "Show namespace events (if recorded)"), 3830 OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events, 3831 "Show cgroup events (if recorded)"), 3832 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events, 3833 "Show lost events (if recorded)"), 3834 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events, 3835 "Show round events (if recorded)"), 3836 OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events, 3837 "Show bpf related events (if recorded)"), 3838 OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events, 3839 "Show text poke related events (if recorded)"), 3840 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump, 3841 "Dump trace output to files named by the monitored events"), 3842 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 3843 OPT_INTEGER(0, "max-blocks", &max_blocks, 3844 "Maximum number of code blocks to dump with brstackinsn"), 3845 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, 3846 "Use 9 decimal places when displaying time"), 3847 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 3848 "Instruction Tracing options\n" ITRACE_HELP, 3849 itrace_parse_synth_opts), 3850 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 3851 "Show full source file name path for source lines"), 3852 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 3853 "Enable symbol demangling"), 3854 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 3855 "Enable kernel symbol demangling"), 3856 OPT_STRING(0, "time", &script.time_str, "str", 3857 "Time span of interest (start,stop)"), 3858 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 3859 "Show inline function"), 3860 OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory", 3861 "guest mount directory under which every guest os" 3862 " instance has a subdir"), 3863 OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name, 3864 "file", "file saving guest os vmlinux"), 3865 OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms, 3866 "file", "file saving guest os /proc/kallsyms"), 3867 OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules, 3868 "file", "file saving guest os /proc/modules"), 3869 OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr, 3870 "Enable LBR callgraph stitching approach"), 3871 OPTS_EVSWITCH(&script.evswitch), 3872 OPT_END() 3873 }; 3874 const char * const script_subcommands[] = { "record", "report", NULL }; 3875 const char *script_usage[] = { 3876 "perf script [<options>]", 3877 "perf script [<options>] record <script> [<record-options>] <command>", 3878 "perf script [<options>] report <script> [script-args]", 3879 "perf script [<options>] <script> [<record-options>] <command>", 3880 "perf script [<options>] <top-script> [script-args]", 3881 NULL 3882 }; 3883 3884 perf_set_singlethreaded(); 3885 3886 setup_scripting(); 3887 3888 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage, 3889 PARSE_OPT_STOP_AT_NON_OPTION); 3890 3891 if (symbol_conf.guestmount || 3892 symbol_conf.default_guest_vmlinux_name || 3893 symbol_conf.default_guest_kallsyms || 3894 symbol_conf.default_guest_modules) { 3895 /* 3896 * Enable guest sample processing. 3897 */ 3898 perf_guest = true; 3899 } 3900 3901 data.path = input_name; 3902 data.force = symbol_conf.force; 3903 3904 if (symbol__validate_sym_arguments()) 3905 return -1; 3906 3907 if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) { 3908 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); 3909 if (!rec_script_path) 3910 return cmd_record(argc, argv); 3911 } 3912 3913 if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) { 3914 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); 3915 if (!rep_script_path) { 3916 fprintf(stderr, 3917 "Please specify a valid report script" 3918 "(see 'perf script -l' for listing)\n"); 3919 return -1; 3920 } 3921 } 3922 3923 if (reltime && deltatime) { 3924 fprintf(stderr, 3925 "reltime and deltatime - the two don't get along well. " 3926 "Please limit to --reltime or --deltatime.\n"); 3927 return -1; 3928 } 3929 3930 if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) && 3931 itrace_synth_opts.callchain_sz > scripting_max_stack) 3932 scripting_max_stack = itrace_synth_opts.callchain_sz; 3933 3934 /* make sure PERF_EXEC_PATH is set for scripts */ 3935 set_argv_exec_path(get_argv_exec_path()); 3936 3937 if (argc && !script_name && !rec_script_path && !rep_script_path) { 3938 int live_pipe[2]; 3939 int rep_args; 3940 pid_t pid; 3941 3942 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); 3943 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); 3944 3945 if (!rec_script_path && !rep_script_path) { 3946 script_name = find_script(argv[0]); 3947 if (script_name) { 3948 argc -= 1; 3949 argv += 1; 3950 goto script_found; 3951 } 3952 usage_with_options_msg(script_usage, options, 3953 "Couldn't find script `%s'\n\n See perf" 3954 " script -l for available scripts.\n", argv[0]); 3955 } 3956 3957 if (is_top_script(argv[0])) { 3958 rep_args = argc - 1; 3959 } else { 3960 int rec_args; 3961 3962 rep_args = has_required_arg(rep_script_path); 3963 rec_args = (argc - 1) - rep_args; 3964 if (rec_args < 0) { 3965 usage_with_options_msg(script_usage, options, 3966 "`%s' script requires options." 3967 "\n\n See perf script -l for available " 3968 "scripts and options.\n", argv[0]); 3969 } 3970 } 3971 3972 if (pipe(live_pipe) < 0) { 3973 perror("failed to create pipe"); 3974 return -1; 3975 } 3976 3977 pid = fork(); 3978 if (pid < 0) { 3979 perror("failed to fork"); 3980 return -1; 3981 } 3982 3983 if (!pid) { 3984 j = 0; 3985 3986 dup2(live_pipe[1], 1); 3987 close(live_pipe[0]); 3988 3989 if (is_top_script(argv[0])) { 3990 system_wide = true; 3991 } else if (!system_wide) { 3992 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { 3993 err = -1; 3994 goto out; 3995 } 3996 } 3997 3998 __argv = malloc((argc + 6) * sizeof(const char *)); 3999 if (!__argv) { 4000 pr_err("malloc failed\n"); 4001 err = -ENOMEM; 4002 goto out; 4003 } 4004 4005 __argv[j++] = "/bin/sh"; 4006 __argv[j++] = rec_script_path; 4007 if (system_wide) 4008 __argv[j++] = "-a"; 4009 __argv[j++] = "-q"; 4010 __argv[j++] = "-o"; 4011 __argv[j++] = "-"; 4012 for (i = rep_args + 1; i < argc; i++) 4013 __argv[j++] = argv[i]; 4014 __argv[j++] = NULL; 4015 4016 execvp("/bin/sh", (char **)__argv); 4017 free(__argv); 4018 exit(-1); 4019 } 4020 4021 dup2(live_pipe[0], 0); 4022 close(live_pipe[1]); 4023 4024 __argv = malloc((argc + 4) * sizeof(const char *)); 4025 if (!__argv) { 4026 pr_err("malloc failed\n"); 4027 err = -ENOMEM; 4028 goto out; 4029 } 4030 4031 j = 0; 4032 __argv[j++] = "/bin/sh"; 4033 __argv[j++] = rep_script_path; 4034 for (i = 1; i < rep_args + 1; i++) 4035 __argv[j++] = argv[i]; 4036 __argv[j++] = "-i"; 4037 __argv[j++] = "-"; 4038 __argv[j++] = NULL; 4039 4040 execvp("/bin/sh", (char **)__argv); 4041 free(__argv); 4042 exit(-1); 4043 } 4044 script_found: 4045 if (rec_script_path) 4046 script_path = rec_script_path; 4047 if (rep_script_path) 4048 script_path = rep_script_path; 4049 4050 if (script_path) { 4051 j = 0; 4052 4053 if (!rec_script_path) 4054 system_wide = false; 4055 else if (!system_wide) { 4056 if (have_cmd(argc - 1, &argv[1]) != 0) { 4057 err = -1; 4058 goto out; 4059 } 4060 } 4061 4062 __argv = malloc((argc + 2) * sizeof(const char *)); 4063 if (!__argv) { 4064 pr_err("malloc failed\n"); 4065 err = -ENOMEM; 4066 goto out; 4067 } 4068 4069 __argv[j++] = "/bin/sh"; 4070 __argv[j++] = script_path; 4071 if (system_wide) 4072 __argv[j++] = "-a"; 4073 for (i = 2; i < argc; i++) 4074 __argv[j++] = argv[i]; 4075 __argv[j++] = NULL; 4076 4077 execvp("/bin/sh", (char **)__argv); 4078 free(__argv); 4079 exit(-1); 4080 } 4081 4082 if (dlfilter_file) { 4083 dlfilter = dlfilter__new(dlfilter_file, dlargc, dlargv); 4084 if (!dlfilter) 4085 return -1; 4086 } 4087 4088 if (!script_name) { 4089 setup_pager(); 4090 use_browser = 0; 4091 } 4092 4093 session = perf_session__new(&data, &script.tool); 4094 if (IS_ERR(session)) 4095 return PTR_ERR(session); 4096 4097 if (header || header_only) { 4098 script.tool.show_feat_hdr = SHOW_FEAT_HEADER; 4099 perf_session__fprintf_info(session, stdout, show_full_info); 4100 if (header_only) 4101 goto out_delete; 4102 } 4103 if (show_full_info) 4104 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 4105 4106 if (symbol__init(&session->header.env) < 0) 4107 goto out_delete; 4108 4109 uname(&uts); 4110 if (data.is_pipe) { /* Assume pipe_mode indicates native_arch */ 4111 native_arch = true; 4112 } else if (session->header.env.arch) { 4113 if (!strcmp(uts.machine, session->header.env.arch)) 4114 native_arch = true; 4115 else if (!strcmp(uts.machine, "x86_64") && 4116 !strcmp(session->header.env.arch, "i386")) 4117 native_arch = true; 4118 } 4119 4120 script.session = session; 4121 script__setup_sample_type(&script); 4122 4123 if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) || 4124 symbol_conf.graph_function) 4125 itrace_synth_opts.thread_stack = true; 4126 4127 session->itrace_synth_opts = &itrace_synth_opts; 4128 4129 if (cpu_list) { 4130 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap); 4131 if (err < 0) 4132 goto out_delete; 4133 itrace_synth_opts.cpu_bitmap = cpu_bitmap; 4134 } 4135 4136 if (!no_callchain) 4137 symbol_conf.use_callchain = true; 4138 else 4139 symbol_conf.use_callchain = false; 4140 4141 if (session->tevent.pevent && 4142 tep_set_function_resolver(session->tevent.pevent, 4143 machine__resolve_kernel_addr, 4144 &session->machines.host) < 0) { 4145 pr_err("%s: failed to set libtraceevent function resolver\n", __func__); 4146 err = -1; 4147 goto out_delete; 4148 } 4149 4150 if (generate_script_lang) { 4151 struct stat perf_stat; 4152 int input; 4153 4154 if (output_set_by_user()) { 4155 fprintf(stderr, 4156 "custom fields not supported for generated scripts"); 4157 err = -EINVAL; 4158 goto out_delete; 4159 } 4160 4161 input = open(data.path, O_RDONLY); /* input_name */ 4162 if (input < 0) { 4163 err = -errno; 4164 perror("failed to open file"); 4165 goto out_delete; 4166 } 4167 4168 err = fstat(input, &perf_stat); 4169 if (err < 0) { 4170 perror("failed to stat file"); 4171 goto out_delete; 4172 } 4173 4174 if (!perf_stat.st_size) { 4175 fprintf(stderr, "zero-sized file, nothing to do!\n"); 4176 goto out_delete; 4177 } 4178 4179 scripting_ops = script_spec__lookup(generate_script_lang); 4180 if (!scripting_ops) { 4181 fprintf(stderr, "invalid language specifier"); 4182 err = -ENOENT; 4183 goto out_delete; 4184 } 4185 4186 err = scripting_ops->generate_script(session->tevent.pevent, 4187 "perf-script"); 4188 goto out_delete; 4189 } 4190 4191 err = dlfilter__start(dlfilter, session); 4192 if (err) 4193 goto out_delete; 4194 4195 if (script_name) { 4196 err = scripting_ops->start_script(script_name, argc, argv, session); 4197 if (err) 4198 goto out_delete; 4199 pr_debug("perf script started with script %s\n\n", script_name); 4200 script_started = true; 4201 } 4202 4203 4204 err = perf_session__check_output_opt(session); 4205 if (err < 0) 4206 goto out_delete; 4207 4208 if (script.time_str) { 4209 err = perf_time__parse_for_ranges_reltime(script.time_str, session, 4210 &script.ptime_range, 4211 &script.range_size, 4212 &script.range_num, 4213 reltime); 4214 if (err < 0) 4215 goto out_delete; 4216 4217 itrace_synth_opts__set_time_range(&itrace_synth_opts, 4218 script.ptime_range, 4219 script.range_num); 4220 } 4221 4222 err = evswitch__init(&script.evswitch, session->evlist, stderr); 4223 if (err) 4224 goto out_delete; 4225 4226 if (zstd_init(&(session->zstd_data), 0) < 0) 4227 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n"); 4228 4229 err = __cmd_script(&script); 4230 4231 flush_scripting(); 4232 4233 out_delete: 4234 if (script.ptime_range) { 4235 itrace_synth_opts__clear_time_range(&itrace_synth_opts); 4236 zfree(&script.ptime_range); 4237 } 4238 4239 zstd_fini(&(session->zstd_data)); 4240 evlist__free_stats(session->evlist); 4241 perf_session__delete(session); 4242 perf_script__exit(&script); 4243 4244 if (script_started) 4245 cleanup_scripting(); 4246 dlfilter__cleanup(dlfilter); 4247 free_dlarg(); 4248 out: 4249 return err; 4250 } 4251