1 // SPDX-License-Identifier: GPL-2.0 2 #include "builtin.h" 3 4 #include "util/counts.h" 5 #include "util/debug.h" 6 #include "util/dso.h" 7 #include <subcmd/exec-cmd.h> 8 #include "util/header.h" 9 #include <subcmd/parse-options.h> 10 #include "util/perf_regs.h" 11 #include "util/session.h" 12 #include "util/tool.h" 13 #include "util/map.h" 14 #include "util/srcline.h" 15 #include "util/symbol.h" 16 #include "util/thread.h" 17 #include "util/trace-event.h" 18 #include "util/evlist.h" 19 #include "util/evsel.h" 20 #include "util/evsel_fprintf.h" 21 #include "util/evswitch.h" 22 #include "util/sort.h" 23 #include "util/data.h" 24 #include "util/auxtrace.h" 25 #include "util/cpumap.h" 26 #include "util/thread_map.h" 27 #include "util/stat.h" 28 #include "util/color.h" 29 #include "util/string2.h" 30 #include "util/thread-stack.h" 31 #include "util/time-utils.h" 32 #include "util/path.h" 33 #include "util/event.h" 34 #include "ui/ui.h" 35 #include "print_binary.h" 36 #include "archinsn.h" 37 #include <linux/bitmap.h> 38 #include <linux/kernel.h> 39 #include <linux/stringify.h> 40 #include <linux/time64.h> 41 #include <linux/zalloc.h> 42 #include <sys/utsname.h> 43 #include "asm/bug.h" 44 #include "util/mem-events.h" 45 #include "util/dump-insn.h" 46 #include <dirent.h> 47 #include <errno.h> 48 #include <inttypes.h> 49 #include <signal.h> 50 #include <sys/param.h> 51 #include <sys/types.h> 52 #include <sys/stat.h> 53 #include <fcntl.h> 54 #include <unistd.h> 55 #include <subcmd/pager.h> 56 #include <perf/evlist.h> 57 #include <linux/err.h> 58 #include "util/dlfilter.h" 59 #include "util/record.h" 60 #include "util/util.h" 61 #include "perf.h" 62 63 #include <linux/ctype.h> 64 65 static char const *script_name; 66 static char const *generate_script_lang; 67 static bool reltime; 68 static bool deltatime; 69 static u64 initial_time; 70 static u64 previous_time; 71 static bool debug_mode; 72 static u64 last_timestamp; 73 static u64 nr_unordered; 74 static bool no_callchain; 75 static bool latency_format; 76 static bool system_wide; 77 static bool print_flags; 78 static const char *cpu_list; 79 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); 80 static struct perf_stat_config stat_config; 81 static int max_blocks; 82 static bool native_arch; 83 static struct dlfilter *dlfilter; 84 static int dlargc; 85 static char **dlargv; 86 87 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH; 88 89 enum perf_output_field { 90 PERF_OUTPUT_COMM = 1ULL << 0, 91 PERF_OUTPUT_TID = 1ULL << 1, 92 PERF_OUTPUT_PID = 1ULL << 2, 93 PERF_OUTPUT_TIME = 1ULL << 3, 94 PERF_OUTPUT_CPU = 1ULL << 4, 95 PERF_OUTPUT_EVNAME = 1ULL << 5, 96 PERF_OUTPUT_TRACE = 1ULL << 6, 97 PERF_OUTPUT_IP = 1ULL << 7, 98 PERF_OUTPUT_SYM = 1ULL << 8, 99 PERF_OUTPUT_DSO = 1ULL << 9, 100 PERF_OUTPUT_ADDR = 1ULL << 10, 101 PERF_OUTPUT_SYMOFFSET = 1ULL << 11, 102 PERF_OUTPUT_SRCLINE = 1ULL << 12, 103 PERF_OUTPUT_PERIOD = 1ULL << 13, 104 PERF_OUTPUT_IREGS = 1ULL << 14, 105 PERF_OUTPUT_BRSTACK = 1ULL << 15, 106 PERF_OUTPUT_BRSTACKSYM = 1ULL << 16, 107 PERF_OUTPUT_DATA_SRC = 1ULL << 17, 108 PERF_OUTPUT_WEIGHT = 1ULL << 18, 109 PERF_OUTPUT_BPF_OUTPUT = 1ULL << 19, 110 PERF_OUTPUT_CALLINDENT = 1ULL << 20, 111 PERF_OUTPUT_INSN = 1ULL << 21, 112 PERF_OUTPUT_INSNLEN = 1ULL << 22, 113 PERF_OUTPUT_BRSTACKINSN = 1ULL << 23, 114 PERF_OUTPUT_BRSTACKOFF = 1ULL << 24, 115 PERF_OUTPUT_SYNTH = 1ULL << 25, 116 PERF_OUTPUT_PHYS_ADDR = 1ULL << 26, 117 PERF_OUTPUT_UREGS = 1ULL << 27, 118 PERF_OUTPUT_METRIC = 1ULL << 28, 119 PERF_OUTPUT_MISC = 1ULL << 29, 120 PERF_OUTPUT_SRCCODE = 1ULL << 30, 121 PERF_OUTPUT_IPC = 1ULL << 31, 122 PERF_OUTPUT_TOD = 1ULL << 32, 123 PERF_OUTPUT_DATA_PAGE_SIZE = 1ULL << 33, 124 PERF_OUTPUT_CODE_PAGE_SIZE = 1ULL << 34, 125 PERF_OUTPUT_INS_LAT = 1ULL << 35, 126 }; 127 128 struct perf_script { 129 struct perf_tool tool; 130 struct perf_session *session; 131 bool show_task_events; 132 bool show_mmap_events; 133 bool show_switch_events; 134 bool show_namespace_events; 135 bool show_lost_events; 136 bool show_round_events; 137 bool show_bpf_events; 138 bool show_cgroup_events; 139 bool show_text_poke_events; 140 bool allocated; 141 bool per_event_dump; 142 bool stitch_lbr; 143 struct evswitch evswitch; 144 struct perf_cpu_map *cpus; 145 struct perf_thread_map *threads; 146 int name_width; 147 const char *time_str; 148 struct perf_time_interval *ptime_range; 149 int range_size; 150 int range_num; 151 }; 152 153 struct output_option { 154 const char *str; 155 enum perf_output_field field; 156 } all_output_options[] = { 157 {.str = "comm", .field = PERF_OUTPUT_COMM}, 158 {.str = "tid", .field = PERF_OUTPUT_TID}, 159 {.str = "pid", .field = PERF_OUTPUT_PID}, 160 {.str = "time", .field = PERF_OUTPUT_TIME}, 161 {.str = "cpu", .field = PERF_OUTPUT_CPU}, 162 {.str = "event", .field = PERF_OUTPUT_EVNAME}, 163 {.str = "trace", .field = PERF_OUTPUT_TRACE}, 164 {.str = "ip", .field = PERF_OUTPUT_IP}, 165 {.str = "sym", .field = PERF_OUTPUT_SYM}, 166 {.str = "dso", .field = PERF_OUTPUT_DSO}, 167 {.str = "addr", .field = PERF_OUTPUT_ADDR}, 168 {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET}, 169 {.str = "srcline", .field = PERF_OUTPUT_SRCLINE}, 170 {.str = "period", .field = PERF_OUTPUT_PERIOD}, 171 {.str = "iregs", .field = PERF_OUTPUT_IREGS}, 172 {.str = "uregs", .field = PERF_OUTPUT_UREGS}, 173 {.str = "brstack", .field = PERF_OUTPUT_BRSTACK}, 174 {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM}, 175 {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC}, 176 {.str = "weight", .field = PERF_OUTPUT_WEIGHT}, 177 {.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT}, 178 {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT}, 179 {.str = "insn", .field = PERF_OUTPUT_INSN}, 180 {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN}, 181 {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN}, 182 {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF}, 183 {.str = "synth", .field = PERF_OUTPUT_SYNTH}, 184 {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR}, 185 {.str = "metric", .field = PERF_OUTPUT_METRIC}, 186 {.str = "misc", .field = PERF_OUTPUT_MISC}, 187 {.str = "srccode", .field = PERF_OUTPUT_SRCCODE}, 188 {.str = "ipc", .field = PERF_OUTPUT_IPC}, 189 {.str = "tod", .field = PERF_OUTPUT_TOD}, 190 {.str = "data_page_size", .field = PERF_OUTPUT_DATA_PAGE_SIZE}, 191 {.str = "code_page_size", .field = PERF_OUTPUT_CODE_PAGE_SIZE}, 192 {.str = "ins_lat", .field = PERF_OUTPUT_INS_LAT}, 193 }; 194 195 enum { 196 OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX, 197 OUTPUT_TYPE_OTHER, 198 OUTPUT_TYPE_MAX 199 }; 200 201 /* default set to maintain compatibility with current format */ 202 static struct { 203 bool user_set; 204 bool wildcard_set; 205 unsigned int print_ip_opts; 206 u64 fields; 207 u64 invalid_fields; 208 u64 user_set_fields; 209 u64 user_unset_fields; 210 } output[OUTPUT_TYPE_MAX] = { 211 212 [PERF_TYPE_HARDWARE] = { 213 .user_set = false, 214 215 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 216 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 217 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 218 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 219 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 220 221 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 222 }, 223 224 [PERF_TYPE_SOFTWARE] = { 225 .user_set = false, 226 227 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 228 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 229 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 230 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 231 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 232 PERF_OUTPUT_BPF_OUTPUT, 233 234 .invalid_fields = PERF_OUTPUT_TRACE, 235 }, 236 237 [PERF_TYPE_TRACEPOINT] = { 238 .user_set = false, 239 240 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 241 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 242 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE 243 }, 244 245 [PERF_TYPE_HW_CACHE] = { 246 .user_set = false, 247 248 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 249 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 250 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 251 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 252 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 253 254 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 255 }, 256 257 [PERF_TYPE_RAW] = { 258 .user_set = false, 259 260 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 261 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 262 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 263 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 264 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 265 PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC | 266 PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR | 267 PERF_OUTPUT_DATA_PAGE_SIZE | PERF_OUTPUT_CODE_PAGE_SIZE | 268 PERF_OUTPUT_INS_LAT, 269 270 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 271 }, 272 273 [PERF_TYPE_BREAKPOINT] = { 274 .user_set = false, 275 276 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 277 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 278 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 279 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 280 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 281 282 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 283 }, 284 285 [OUTPUT_TYPE_SYNTH] = { 286 .user_set = false, 287 288 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 289 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 290 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 291 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 292 PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH, 293 294 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 295 }, 296 297 [OUTPUT_TYPE_OTHER] = { 298 .user_set = false, 299 300 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 301 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 302 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 303 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 304 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 305 306 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 307 }, 308 }; 309 310 struct evsel_script { 311 char *filename; 312 FILE *fp; 313 u64 samples; 314 /* For metric output */ 315 u64 val; 316 int gnum; 317 }; 318 319 static inline struct evsel_script *evsel_script(struct evsel *evsel) 320 { 321 return (struct evsel_script *)evsel->priv; 322 } 323 324 static struct evsel_script *evsel_script__new(struct evsel *evsel, struct perf_data *data) 325 { 326 struct evsel_script *es = zalloc(sizeof(*es)); 327 328 if (es != NULL) { 329 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0) 330 goto out_free; 331 es->fp = fopen(es->filename, "w"); 332 if (es->fp == NULL) 333 goto out_free_filename; 334 } 335 336 return es; 337 out_free_filename: 338 zfree(&es->filename); 339 out_free: 340 free(es); 341 return NULL; 342 } 343 344 static void evsel_script__delete(struct evsel_script *es) 345 { 346 zfree(&es->filename); 347 fclose(es->fp); 348 es->fp = NULL; 349 free(es); 350 } 351 352 static int evsel_script__fprintf(struct evsel_script *es, FILE *fp) 353 { 354 struct stat st; 355 356 fstat(fileno(es->fp), &st); 357 return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n", 358 st.st_size / 1024.0 / 1024.0, es->filename, es->samples); 359 } 360 361 static inline int output_type(unsigned int type) 362 { 363 switch (type) { 364 case PERF_TYPE_SYNTH: 365 return OUTPUT_TYPE_SYNTH; 366 default: 367 if (type < PERF_TYPE_MAX) 368 return type; 369 } 370 371 return OUTPUT_TYPE_OTHER; 372 } 373 374 static bool output_set_by_user(void) 375 { 376 int j; 377 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 378 if (output[j].user_set) 379 return true; 380 } 381 return false; 382 } 383 384 static const char *output_field2str(enum perf_output_field field) 385 { 386 int i, imax = ARRAY_SIZE(all_output_options); 387 const char *str = ""; 388 389 for (i = 0; i < imax; ++i) { 390 if (all_output_options[i].field == field) { 391 str = all_output_options[i].str; 392 break; 393 } 394 } 395 return str; 396 } 397 398 #define PRINT_FIELD(x) (output[output_type(attr->type)].fields & PERF_OUTPUT_##x) 399 400 static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg, 401 enum perf_output_field field, bool allow_user_set) 402 { 403 struct perf_event_attr *attr = &evsel->core.attr; 404 int type = output_type(attr->type); 405 const char *evname; 406 407 if (attr->sample_type & sample_type) 408 return 0; 409 410 if (output[type].user_set_fields & field) { 411 if (allow_user_set) 412 return 0; 413 evname = evsel__name(evsel); 414 pr_err("Samples for '%s' event do not have %s attribute set. " 415 "Cannot print '%s' field.\n", 416 evname, sample_msg, output_field2str(field)); 417 return -1; 418 } 419 420 /* user did not ask for it explicitly so remove from the default list */ 421 output[type].fields &= ~field; 422 evname = evsel__name(evsel); 423 pr_debug("Samples for '%s' event do not have %s attribute set. " 424 "Skipping '%s' field.\n", 425 evname, sample_msg, output_field2str(field)); 426 427 return 0; 428 } 429 430 static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg, 431 enum perf_output_field field) 432 { 433 return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false); 434 } 435 436 static int evsel__check_attr(struct evsel *evsel, struct perf_session *session) 437 { 438 struct perf_event_attr *attr = &evsel->core.attr; 439 bool allow_user_set; 440 441 if (perf_header__has_feat(&session->header, HEADER_STAT)) 442 return 0; 443 444 allow_user_set = perf_header__has_feat(&session->header, 445 HEADER_AUXTRACE); 446 447 if (PRINT_FIELD(TRACE) && 448 !perf_session__has_traces(session, "record -R")) 449 return -EINVAL; 450 451 if (PRINT_FIELD(IP)) { 452 if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP)) 453 return -EINVAL; 454 } 455 456 if (PRINT_FIELD(ADDR) && 457 evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set)) 458 return -EINVAL; 459 460 if (PRINT_FIELD(DATA_SRC) && 461 evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC)) 462 return -EINVAL; 463 464 if (PRINT_FIELD(WEIGHT) && 465 evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_TYPE, "WEIGHT", PERF_OUTPUT_WEIGHT)) 466 return -EINVAL; 467 468 if (PRINT_FIELD(SYM) && 469 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 470 pr_err("Display of symbols requested but neither sample IP nor " 471 "sample address\navailable. Hence, no addresses to convert " 472 "to symbols.\n"); 473 return -EINVAL; 474 } 475 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) { 476 pr_err("Display of offsets requested but symbol is not" 477 "selected.\n"); 478 return -EINVAL; 479 } 480 if (PRINT_FIELD(DSO) && 481 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 482 pr_err("Display of DSO requested but no address to convert.\n"); 483 return -EINVAL; 484 } 485 if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) { 486 pr_err("Display of source line number requested but sample IP is not\n" 487 "selected. Hence, no address to lookup the source line number.\n"); 488 return -EINVAL; 489 } 490 if (PRINT_FIELD(BRSTACKINSN) && !allow_user_set && 491 !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) { 492 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n" 493 "Hint: run 'perf record -b ...'\n"); 494 return -EINVAL; 495 } 496 if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) && 497 evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID)) 498 return -EINVAL; 499 500 if (PRINT_FIELD(TIME) && 501 evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME)) 502 return -EINVAL; 503 504 if (PRINT_FIELD(CPU) && 505 evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set)) 506 return -EINVAL; 507 508 if (PRINT_FIELD(IREGS) && 509 evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set)) 510 return -EINVAL; 511 512 if (PRINT_FIELD(UREGS) && 513 evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS)) 514 return -EINVAL; 515 516 if (PRINT_FIELD(PHYS_ADDR) && 517 evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR)) 518 return -EINVAL; 519 520 if (PRINT_FIELD(DATA_PAGE_SIZE) && 521 evsel__check_stype(evsel, PERF_SAMPLE_DATA_PAGE_SIZE, "DATA_PAGE_SIZE", PERF_OUTPUT_DATA_PAGE_SIZE)) 522 return -EINVAL; 523 524 if (PRINT_FIELD(CODE_PAGE_SIZE) && 525 evsel__check_stype(evsel, PERF_SAMPLE_CODE_PAGE_SIZE, "CODE_PAGE_SIZE", PERF_OUTPUT_CODE_PAGE_SIZE)) 526 return -EINVAL; 527 528 if (PRINT_FIELD(INS_LAT) && 529 evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_INS_LAT)) 530 return -EINVAL; 531 532 return 0; 533 } 534 535 static void set_print_ip_opts(struct perf_event_attr *attr) 536 { 537 unsigned int type = output_type(attr->type); 538 539 output[type].print_ip_opts = 0; 540 if (PRINT_FIELD(IP)) 541 output[type].print_ip_opts |= EVSEL__PRINT_IP; 542 543 if (PRINT_FIELD(SYM)) 544 output[type].print_ip_opts |= EVSEL__PRINT_SYM; 545 546 if (PRINT_FIELD(DSO)) 547 output[type].print_ip_opts |= EVSEL__PRINT_DSO; 548 549 if (PRINT_FIELD(SYMOFFSET)) 550 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET; 551 552 if (PRINT_FIELD(SRCLINE)) 553 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE; 554 } 555 556 static struct evsel *find_first_output_type(struct evlist *evlist, 557 unsigned int type) 558 { 559 struct evsel *evsel; 560 561 evlist__for_each_entry(evlist, evsel) { 562 if (output_type(evsel->core.attr.type) == (int)type) 563 return evsel; 564 } 565 return NULL; 566 } 567 568 /* 569 * verify all user requested events exist and the samples 570 * have the expected data 571 */ 572 static int perf_session__check_output_opt(struct perf_session *session) 573 { 574 bool tod = false; 575 unsigned int j; 576 struct evsel *evsel; 577 578 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 579 evsel = find_first_output_type(session->evlist, j); 580 581 /* 582 * even if fields is set to 0 (ie., show nothing) event must 583 * exist if user explicitly includes it on the command line 584 */ 585 if (!evsel && output[j].user_set && !output[j].wildcard_set && 586 j != OUTPUT_TYPE_SYNTH) { 587 pr_err("%s events do not exist. " 588 "Remove corresponding -F option to proceed.\n", 589 event_type(j)); 590 return -1; 591 } 592 593 if (evsel && output[j].fields && 594 evsel__check_attr(evsel, session)) 595 return -1; 596 597 if (evsel == NULL) 598 continue; 599 600 set_print_ip_opts(&evsel->core.attr); 601 tod |= output[j].fields & PERF_OUTPUT_TOD; 602 } 603 604 if (!no_callchain) { 605 bool use_callchain = false; 606 bool not_pipe = false; 607 608 evlist__for_each_entry(session->evlist, evsel) { 609 not_pipe = true; 610 if (evsel__has_callchain(evsel)) { 611 use_callchain = true; 612 break; 613 } 614 } 615 if (not_pipe && !use_callchain) 616 symbol_conf.use_callchain = false; 617 } 618 619 /* 620 * set default for tracepoints to print symbols only 621 * if callchains are present 622 */ 623 if (symbol_conf.use_callchain && 624 !output[PERF_TYPE_TRACEPOINT].user_set) { 625 j = PERF_TYPE_TRACEPOINT; 626 627 evlist__for_each_entry(session->evlist, evsel) { 628 if (evsel->core.attr.type != j) 629 continue; 630 631 if (evsel__has_callchain(evsel)) { 632 output[j].fields |= PERF_OUTPUT_IP; 633 output[j].fields |= PERF_OUTPUT_SYM; 634 output[j].fields |= PERF_OUTPUT_SYMOFFSET; 635 output[j].fields |= PERF_OUTPUT_DSO; 636 set_print_ip_opts(&evsel->core.attr); 637 goto out; 638 } 639 } 640 } 641 642 if (tod && !session->header.env.clock.enabled) { 643 pr_err("Can't provide 'tod' time, missing clock data. " 644 "Please record with -k/--clockid option.\n"); 645 return -1; 646 } 647 out: 648 return 0; 649 } 650 651 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask, 652 FILE *fp) 653 { 654 unsigned i = 0, r; 655 int printed = 0; 656 657 if (!regs || !regs->regs) 658 return 0; 659 660 printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi); 661 662 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) { 663 u64 val = regs->regs[i++]; 664 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val); 665 } 666 667 return printed; 668 } 669 670 #define DEFAULT_TOD_FMT "%F %H:%M:%S" 671 672 static char* 673 tod_scnprintf(struct perf_script *script, char *buf, int buflen, 674 u64 timestamp) 675 { 676 u64 tod_ns, clockid_ns; 677 struct perf_env *env; 678 unsigned long nsec; 679 struct tm ltime; 680 char date[64]; 681 time_t sec; 682 683 buf[0] = '\0'; 684 if (buflen < 64 || !script) 685 return buf; 686 687 env = &script->session->header.env; 688 if (!env->clock.enabled) { 689 scnprintf(buf, buflen, "disabled"); 690 return buf; 691 } 692 693 clockid_ns = env->clock.clockid_ns; 694 tod_ns = env->clock.tod_ns; 695 696 if (timestamp > clockid_ns) 697 tod_ns += timestamp - clockid_ns; 698 else 699 tod_ns -= clockid_ns - timestamp; 700 701 sec = (time_t) (tod_ns / NSEC_PER_SEC); 702 nsec = tod_ns - sec * NSEC_PER_SEC; 703 704 if (localtime_r(&sec, <ime) == NULL) { 705 scnprintf(buf, buflen, "failed"); 706 } else { 707 strftime(date, sizeof(date), DEFAULT_TOD_FMT, <ime); 708 709 if (symbol_conf.nanosecs) { 710 snprintf(buf, buflen, "%s.%09lu", date, nsec); 711 } else { 712 snprintf(buf, buflen, "%s.%06lu", 713 date, nsec / NSEC_PER_USEC); 714 } 715 } 716 717 return buf; 718 } 719 720 static int perf_sample__fprintf_iregs(struct perf_sample *sample, 721 struct perf_event_attr *attr, FILE *fp) 722 { 723 return perf_sample__fprintf_regs(&sample->intr_regs, 724 attr->sample_regs_intr, fp); 725 } 726 727 static int perf_sample__fprintf_uregs(struct perf_sample *sample, 728 struct perf_event_attr *attr, FILE *fp) 729 { 730 return perf_sample__fprintf_regs(&sample->user_regs, 731 attr->sample_regs_user, fp); 732 } 733 734 static int perf_sample__fprintf_start(struct perf_script *script, 735 struct perf_sample *sample, 736 struct thread *thread, 737 struct evsel *evsel, 738 u32 type, FILE *fp) 739 { 740 struct perf_event_attr *attr = &evsel->core.attr; 741 unsigned long secs; 742 unsigned long long nsecs; 743 int printed = 0; 744 char tstr[128]; 745 746 if (PRINT_FIELD(COMM)) { 747 const char *comm = thread ? thread__comm_str(thread) : ":-1"; 748 749 if (latency_format) 750 printed += fprintf(fp, "%8.8s ", comm); 751 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain) 752 printed += fprintf(fp, "%s ", comm); 753 else 754 printed += fprintf(fp, "%16s ", comm); 755 } 756 757 if (PRINT_FIELD(PID) && PRINT_FIELD(TID)) 758 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid); 759 else if (PRINT_FIELD(PID)) 760 printed += fprintf(fp, "%5d ", sample->pid); 761 else if (PRINT_FIELD(TID)) 762 printed += fprintf(fp, "%5d ", sample->tid); 763 764 if (PRINT_FIELD(CPU)) { 765 if (latency_format) 766 printed += fprintf(fp, "%3d ", sample->cpu); 767 else 768 printed += fprintf(fp, "[%03d] ", sample->cpu); 769 } 770 771 if (PRINT_FIELD(MISC)) { 772 int ret = 0; 773 774 #define has(m) \ 775 (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m 776 777 if (has(KERNEL)) 778 ret += fprintf(fp, "K"); 779 if (has(USER)) 780 ret += fprintf(fp, "U"); 781 if (has(HYPERVISOR)) 782 ret += fprintf(fp, "H"); 783 if (has(GUEST_KERNEL)) 784 ret += fprintf(fp, "G"); 785 if (has(GUEST_USER)) 786 ret += fprintf(fp, "g"); 787 788 switch (type) { 789 case PERF_RECORD_MMAP: 790 case PERF_RECORD_MMAP2: 791 if (has(MMAP_DATA)) 792 ret += fprintf(fp, "M"); 793 break; 794 case PERF_RECORD_COMM: 795 if (has(COMM_EXEC)) 796 ret += fprintf(fp, "E"); 797 break; 798 case PERF_RECORD_SWITCH: 799 case PERF_RECORD_SWITCH_CPU_WIDE: 800 if (has(SWITCH_OUT)) { 801 ret += fprintf(fp, "S"); 802 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT) 803 ret += fprintf(fp, "p"); 804 } 805 default: 806 break; 807 } 808 809 #undef has 810 811 ret += fprintf(fp, "%*s", 6 - ret, " "); 812 printed += ret; 813 } 814 815 if (PRINT_FIELD(TOD)) { 816 tod_scnprintf(script, tstr, sizeof(tstr), sample->time); 817 printed += fprintf(fp, "%s ", tstr); 818 } 819 820 if (PRINT_FIELD(TIME)) { 821 u64 t = sample->time; 822 if (reltime) { 823 if (!initial_time) 824 initial_time = sample->time; 825 t = sample->time - initial_time; 826 } else if (deltatime) { 827 if (previous_time) 828 t = sample->time - previous_time; 829 else { 830 t = 0; 831 } 832 previous_time = sample->time; 833 } 834 nsecs = t; 835 secs = nsecs / NSEC_PER_SEC; 836 nsecs -= secs * NSEC_PER_SEC; 837 838 if (symbol_conf.nanosecs) 839 printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs); 840 else { 841 char sample_time[32]; 842 timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time)); 843 printed += fprintf(fp, "%12s: ", sample_time); 844 } 845 } 846 847 return printed; 848 } 849 850 static inline char 851 mispred_str(struct branch_entry *br) 852 { 853 if (!(br->flags.mispred || br->flags.predicted)) 854 return '-'; 855 856 return br->flags.predicted ? 'P' : 'M'; 857 } 858 859 static int perf_sample__fprintf_brstack(struct perf_sample *sample, 860 struct thread *thread, 861 struct perf_event_attr *attr, FILE *fp) 862 { 863 struct branch_stack *br = sample->branch_stack; 864 struct branch_entry *entries = perf_sample__branch_entries(sample); 865 struct addr_location alf, alt; 866 u64 i, from, to; 867 int printed = 0; 868 869 if (!(br && br->nr)) 870 return 0; 871 872 for (i = 0; i < br->nr; i++) { 873 from = entries[i].from; 874 to = entries[i].to; 875 876 if (PRINT_FIELD(DSO)) { 877 memset(&alf, 0, sizeof(alf)); 878 memset(&alt, 0, sizeof(alt)); 879 thread__find_map_fb(thread, sample->cpumode, from, &alf); 880 thread__find_map_fb(thread, sample->cpumode, to, &alt); 881 } 882 883 printed += fprintf(fp, " 0x%"PRIx64, from); 884 if (PRINT_FIELD(DSO)) { 885 printed += fprintf(fp, "("); 886 printed += map__fprintf_dsoname(alf.map, fp); 887 printed += fprintf(fp, ")"); 888 } 889 890 printed += fprintf(fp, "/0x%"PRIx64, to); 891 if (PRINT_FIELD(DSO)) { 892 printed += fprintf(fp, "("); 893 printed += map__fprintf_dsoname(alt.map, fp); 894 printed += fprintf(fp, ")"); 895 } 896 897 printed += fprintf(fp, "/%c/%c/%c/%d ", 898 mispred_str(entries + i), 899 entries[i].flags.in_tx ? 'X' : '-', 900 entries[i].flags.abort ? 'A' : '-', 901 entries[i].flags.cycles); 902 } 903 904 return printed; 905 } 906 907 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample, 908 struct thread *thread, 909 struct perf_event_attr *attr, FILE *fp) 910 { 911 struct branch_stack *br = sample->branch_stack; 912 struct branch_entry *entries = perf_sample__branch_entries(sample); 913 struct addr_location alf, alt; 914 u64 i, from, to; 915 int printed = 0; 916 917 if (!(br && br->nr)) 918 return 0; 919 920 for (i = 0; i < br->nr; i++) { 921 922 memset(&alf, 0, sizeof(alf)); 923 memset(&alt, 0, sizeof(alt)); 924 from = entries[i].from; 925 to = entries[i].to; 926 927 thread__find_symbol_fb(thread, sample->cpumode, from, &alf); 928 thread__find_symbol_fb(thread, sample->cpumode, to, &alt); 929 930 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp); 931 if (PRINT_FIELD(DSO)) { 932 printed += fprintf(fp, "("); 933 printed += map__fprintf_dsoname(alf.map, fp); 934 printed += fprintf(fp, ")"); 935 } 936 printed += fprintf(fp, "%c", '/'); 937 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp); 938 if (PRINT_FIELD(DSO)) { 939 printed += fprintf(fp, "("); 940 printed += map__fprintf_dsoname(alt.map, fp); 941 printed += fprintf(fp, ")"); 942 } 943 printed += fprintf(fp, "/%c/%c/%c/%d ", 944 mispred_str(entries + i), 945 entries[i].flags.in_tx ? 'X' : '-', 946 entries[i].flags.abort ? 'A' : '-', 947 entries[i].flags.cycles); 948 } 949 950 return printed; 951 } 952 953 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample, 954 struct thread *thread, 955 struct perf_event_attr *attr, FILE *fp) 956 { 957 struct branch_stack *br = sample->branch_stack; 958 struct branch_entry *entries = perf_sample__branch_entries(sample); 959 struct addr_location alf, alt; 960 u64 i, from, to; 961 int printed = 0; 962 963 if (!(br && br->nr)) 964 return 0; 965 966 for (i = 0; i < br->nr; i++) { 967 968 memset(&alf, 0, sizeof(alf)); 969 memset(&alt, 0, sizeof(alt)); 970 from = entries[i].from; 971 to = entries[i].to; 972 973 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) && 974 !alf.map->dso->adjust_symbols) 975 from = map__map_ip(alf.map, from); 976 977 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) && 978 !alt.map->dso->adjust_symbols) 979 to = map__map_ip(alt.map, to); 980 981 printed += fprintf(fp, " 0x%"PRIx64, from); 982 if (PRINT_FIELD(DSO)) { 983 printed += fprintf(fp, "("); 984 printed += map__fprintf_dsoname(alf.map, fp); 985 printed += fprintf(fp, ")"); 986 } 987 printed += fprintf(fp, "/0x%"PRIx64, to); 988 if (PRINT_FIELD(DSO)) { 989 printed += fprintf(fp, "("); 990 printed += map__fprintf_dsoname(alt.map, fp); 991 printed += fprintf(fp, ")"); 992 } 993 printed += fprintf(fp, "/%c/%c/%c/%d ", 994 mispred_str(entries + i), 995 entries[i].flags.in_tx ? 'X' : '-', 996 entries[i].flags.abort ? 'A' : '-', 997 entries[i].flags.cycles); 998 } 999 1000 return printed; 1001 } 1002 #define MAXBB 16384UL 1003 1004 static int grab_bb(u8 *buffer, u64 start, u64 end, 1005 struct machine *machine, struct thread *thread, 1006 bool *is64bit, u8 *cpumode, bool last) 1007 { 1008 long offset, len; 1009 struct addr_location al; 1010 bool kernel; 1011 1012 if (!start || !end) 1013 return 0; 1014 1015 kernel = machine__kernel_ip(machine, start); 1016 if (kernel) 1017 *cpumode = PERF_RECORD_MISC_KERNEL; 1018 else 1019 *cpumode = PERF_RECORD_MISC_USER; 1020 1021 /* 1022 * Block overlaps between kernel and user. 1023 * This can happen due to ring filtering 1024 * On Intel CPUs the entry into the kernel is filtered, 1025 * but the exit is not. Let the caller patch it up. 1026 */ 1027 if (kernel != machine__kernel_ip(machine, end)) { 1028 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end); 1029 return -ENXIO; 1030 } 1031 1032 memset(&al, 0, sizeof(al)); 1033 if (end - start > MAXBB - MAXINSN) { 1034 if (last) 1035 pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end); 1036 else 1037 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start); 1038 return 0; 1039 } 1040 1041 if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) { 1042 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 1043 return 0; 1044 } 1045 if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) { 1046 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 1047 return 0; 1048 } 1049 1050 /* Load maps to ensure dso->is_64_bit has been updated */ 1051 map__load(al.map); 1052 1053 offset = al.map->map_ip(al.map, start); 1054 len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer, 1055 end - start + MAXINSN); 1056 1057 *is64bit = al.map->dso->is_64_bit; 1058 if (len <= 0) 1059 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n", 1060 start, end); 1061 return len; 1062 } 1063 1064 static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state) 1065 { 1066 char *srcfile; 1067 int ret = 0; 1068 unsigned line; 1069 int len; 1070 char *srccode; 1071 1072 if (!map || !map->dso) 1073 return 0; 1074 srcfile = get_srcline_split(map->dso, 1075 map__rip_2objdump(map, addr), 1076 &line); 1077 if (!srcfile) 1078 return 0; 1079 1080 /* Avoid redundant printing */ 1081 if (state && 1082 state->srcfile && 1083 !strcmp(state->srcfile, srcfile) && 1084 state->line == line) { 1085 free(srcfile); 1086 return 0; 1087 } 1088 1089 srccode = find_sourceline(srcfile, line, &len); 1090 if (!srccode) 1091 goto out_free_line; 1092 1093 ret = fprintf(fp, "|%-8d %.*s", line, len, srccode); 1094 1095 if (state) { 1096 state->srcfile = srcfile; 1097 state->line = line; 1098 } 1099 return ret; 1100 1101 out_free_line: 1102 free(srcfile); 1103 return ret; 1104 } 1105 1106 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr) 1107 { 1108 struct addr_location al; 1109 int ret = 0; 1110 1111 memset(&al, 0, sizeof(al)); 1112 thread__find_map(thread, cpumode, addr, &al); 1113 if (!al.map) 1114 return 0; 1115 ret = map__fprintf_srccode(al.map, al.addr, stdout, 1116 &thread->srccode_state); 1117 if (ret) 1118 ret += printf("\n"); 1119 return ret; 1120 } 1121 1122 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en, 1123 struct perf_insn *x, u8 *inbuf, int len, 1124 int insn, FILE *fp, int *total_cycles) 1125 { 1126 int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip, 1127 dump_insn(x, ip, inbuf, len, NULL), 1128 en->flags.predicted ? " PRED" : "", 1129 en->flags.mispred ? " MISPRED" : "", 1130 en->flags.in_tx ? " INTX" : "", 1131 en->flags.abort ? " ABORT" : ""); 1132 if (en->flags.cycles) { 1133 *total_cycles += en->flags.cycles; 1134 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles); 1135 if (insn) 1136 printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles); 1137 } 1138 return printed + fprintf(fp, "\n"); 1139 } 1140 1141 static int ip__fprintf_sym(uint64_t addr, struct thread *thread, 1142 u8 cpumode, int cpu, struct symbol **lastsym, 1143 struct perf_event_attr *attr, FILE *fp) 1144 { 1145 struct addr_location al; 1146 int off, printed = 0; 1147 1148 memset(&al, 0, sizeof(al)); 1149 1150 thread__find_map(thread, cpumode, addr, &al); 1151 1152 if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end) 1153 return 0; 1154 1155 al.cpu = cpu; 1156 al.sym = NULL; 1157 if (al.map) 1158 al.sym = map__find_symbol(al.map, al.addr); 1159 1160 if (!al.sym) 1161 return 0; 1162 1163 if (al.addr < al.sym->end) 1164 off = al.addr - al.sym->start; 1165 else 1166 off = al.addr - al.map->start - al.sym->start; 1167 printed += fprintf(fp, "\t%s", al.sym->name); 1168 if (off) 1169 printed += fprintf(fp, "%+d", off); 1170 printed += fprintf(fp, ":"); 1171 if (PRINT_FIELD(SRCLINE)) 1172 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp); 1173 printed += fprintf(fp, "\n"); 1174 *lastsym = al.sym; 1175 1176 return printed; 1177 } 1178 1179 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample, 1180 struct thread *thread, 1181 struct perf_event_attr *attr, 1182 struct machine *machine, FILE *fp) 1183 { 1184 struct branch_stack *br = sample->branch_stack; 1185 struct branch_entry *entries = perf_sample__branch_entries(sample); 1186 u64 start, end; 1187 int i, insn, len, nr, ilen, printed = 0; 1188 struct perf_insn x; 1189 u8 buffer[MAXBB]; 1190 unsigned off; 1191 struct symbol *lastsym = NULL; 1192 int total_cycles = 0; 1193 1194 if (!(br && br->nr)) 1195 return 0; 1196 nr = br->nr; 1197 if (max_blocks && nr > max_blocks + 1) 1198 nr = max_blocks + 1; 1199 1200 x.thread = thread; 1201 x.cpu = sample->cpu; 1202 1203 printed += fprintf(fp, "%c", '\n'); 1204 1205 /* Handle first from jump, of which we don't know the entry. */ 1206 len = grab_bb(buffer, entries[nr-1].from, 1207 entries[nr-1].from, 1208 machine, thread, &x.is64bit, &x.cpumode, false); 1209 if (len > 0) { 1210 printed += ip__fprintf_sym(entries[nr - 1].from, thread, 1211 x.cpumode, x.cpu, &lastsym, attr, fp); 1212 printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1], 1213 &x, buffer, len, 0, fp, &total_cycles); 1214 if (PRINT_FIELD(SRCCODE)) 1215 printed += print_srccode(thread, x.cpumode, entries[nr - 1].from); 1216 } 1217 1218 /* Print all blocks */ 1219 for (i = nr - 2; i >= 0; i--) { 1220 if (entries[i].from || entries[i].to) 1221 pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i, 1222 entries[i].from, 1223 entries[i].to); 1224 start = entries[i + 1].to; 1225 end = entries[i].from; 1226 1227 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1228 /* Patch up missing kernel transfers due to ring filters */ 1229 if (len == -ENXIO && i > 0) { 1230 end = entries[--i].from; 1231 pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end); 1232 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1233 } 1234 if (len <= 0) 1235 continue; 1236 1237 insn = 0; 1238 for (off = 0; off < (unsigned)len; off += ilen) { 1239 uint64_t ip = start + off; 1240 1241 printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1242 if (ip == end) { 1243 printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp, 1244 &total_cycles); 1245 if (PRINT_FIELD(SRCCODE)) 1246 printed += print_srccode(thread, x.cpumode, ip); 1247 break; 1248 } else { 1249 ilen = 0; 1250 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip, 1251 dump_insn(&x, ip, buffer + off, len - off, &ilen)); 1252 if (ilen == 0) 1253 break; 1254 if (PRINT_FIELD(SRCCODE)) 1255 print_srccode(thread, x.cpumode, ip); 1256 insn++; 1257 } 1258 } 1259 if (off != end - start) 1260 printed += fprintf(fp, "\tmismatch of LBR data and executable\n"); 1261 } 1262 1263 /* 1264 * Hit the branch? In this case we are already done, and the target 1265 * has not been executed yet. 1266 */ 1267 if (entries[0].from == sample->ip) 1268 goto out; 1269 if (entries[0].flags.abort) 1270 goto out; 1271 1272 /* 1273 * Print final block upto sample 1274 * 1275 * Due to pipeline delays the LBRs might be missing a branch 1276 * or two, which can result in very large or negative blocks 1277 * between final branch and sample. When this happens just 1278 * continue walking after the last TO until we hit a branch. 1279 */ 1280 start = entries[0].to; 1281 end = sample->ip; 1282 if (end < start) { 1283 /* Missing jump. Scan 128 bytes for the next branch */ 1284 end = start + 128; 1285 } 1286 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true); 1287 printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1288 if (len <= 0) { 1289 /* Print at least last IP if basic block did not work */ 1290 len = grab_bb(buffer, sample->ip, sample->ip, 1291 machine, thread, &x.is64bit, &x.cpumode, false); 1292 if (len <= 0) 1293 goto out; 1294 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip, 1295 dump_insn(&x, sample->ip, buffer, len, NULL)); 1296 if (PRINT_FIELD(SRCCODE)) 1297 print_srccode(thread, x.cpumode, sample->ip); 1298 goto out; 1299 } 1300 for (off = 0; off <= end - start; off += ilen) { 1301 ilen = 0; 1302 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off, 1303 dump_insn(&x, start + off, buffer + off, len - off, &ilen)); 1304 if (ilen == 0) 1305 break; 1306 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) { 1307 /* 1308 * Hit a missing branch. Just stop. 1309 */ 1310 printed += fprintf(fp, "\t... not reaching sample ...\n"); 1311 break; 1312 } 1313 if (PRINT_FIELD(SRCCODE)) 1314 print_srccode(thread, x.cpumode, start + off); 1315 } 1316 out: 1317 return printed; 1318 } 1319 1320 static int perf_sample__fprintf_addr(struct perf_sample *sample, 1321 struct thread *thread, 1322 struct perf_event_attr *attr, FILE *fp) 1323 { 1324 struct addr_location al; 1325 int printed = fprintf(fp, "%16" PRIx64, sample->addr); 1326 1327 if (!sample_addr_correlates_sym(attr)) 1328 goto out; 1329 1330 thread__resolve(thread, &al, sample); 1331 1332 if (PRINT_FIELD(SYM)) { 1333 printed += fprintf(fp, " "); 1334 if (PRINT_FIELD(SYMOFFSET)) 1335 printed += symbol__fprintf_symname_offs(al.sym, &al, fp); 1336 else 1337 printed += symbol__fprintf_symname(al.sym, fp); 1338 } 1339 1340 if (PRINT_FIELD(DSO)) { 1341 printed += fprintf(fp, " ("); 1342 printed += map__fprintf_dsoname(al.map, fp); 1343 printed += fprintf(fp, ")"); 1344 } 1345 out: 1346 return printed; 1347 } 1348 1349 static const char *resolve_branch_sym(struct perf_sample *sample, 1350 struct evsel *evsel, 1351 struct thread *thread, 1352 struct addr_location *al, 1353 struct addr_location *addr_al, 1354 u64 *ip) 1355 { 1356 struct perf_event_attr *attr = &evsel->core.attr; 1357 const char *name = NULL; 1358 1359 if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) { 1360 if (sample_addr_correlates_sym(attr)) { 1361 if (!addr_al->thread) 1362 thread__resolve(thread, addr_al, sample); 1363 if (addr_al->sym) 1364 name = addr_al->sym->name; 1365 else 1366 *ip = sample->addr; 1367 } else { 1368 *ip = sample->addr; 1369 } 1370 } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) { 1371 if (al->sym) 1372 name = al->sym->name; 1373 else 1374 *ip = sample->ip; 1375 } 1376 return name; 1377 } 1378 1379 static int perf_sample__fprintf_callindent(struct perf_sample *sample, 1380 struct evsel *evsel, 1381 struct thread *thread, 1382 struct addr_location *al, 1383 struct addr_location *addr_al, 1384 FILE *fp) 1385 { 1386 struct perf_event_attr *attr = &evsel->core.attr; 1387 size_t depth = thread_stack__depth(thread, sample->cpu); 1388 const char *name = NULL; 1389 static int spacing; 1390 int len = 0; 1391 int dlen = 0; 1392 u64 ip = 0; 1393 1394 /* 1395 * The 'return' has already been popped off the stack so the depth has 1396 * to be adjusted to match the 'call'. 1397 */ 1398 if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN) 1399 depth += 1; 1400 1401 name = resolve_branch_sym(sample, evsel, thread, al, addr_al, &ip); 1402 1403 if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) { 1404 dlen += fprintf(fp, "("); 1405 dlen += map__fprintf_dsoname(al->map, fp); 1406 dlen += fprintf(fp, ")\t"); 1407 } 1408 1409 if (name) 1410 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name); 1411 else if (ip) 1412 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip); 1413 1414 if (len < 0) 1415 return len; 1416 1417 /* 1418 * Try to keep the output length from changing frequently so that the 1419 * output lines up more nicely. 1420 */ 1421 if (len > spacing || (len && len < spacing - 52)) 1422 spacing = round_up(len + 4, 32); 1423 1424 if (len < spacing) 1425 len += fprintf(fp, "%*s", spacing - len, ""); 1426 1427 return len + dlen; 1428 } 1429 1430 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused, 1431 struct thread *thread __maybe_unused, 1432 struct machine *machine __maybe_unused) 1433 { 1434 } 1435 1436 void script_fetch_insn(struct perf_sample *sample, struct thread *thread, 1437 struct machine *machine) 1438 { 1439 if (sample->insn_len == 0 && native_arch) 1440 arch_fetch_insn(sample, thread, machine); 1441 } 1442 1443 static int perf_sample__fprintf_insn(struct perf_sample *sample, 1444 struct perf_event_attr *attr, 1445 struct thread *thread, 1446 struct machine *machine, FILE *fp) 1447 { 1448 int printed = 0; 1449 1450 script_fetch_insn(sample, thread, machine); 1451 1452 if (PRINT_FIELD(INSNLEN)) 1453 printed += fprintf(fp, " ilen: %d", sample->insn_len); 1454 if (PRINT_FIELD(INSN) && sample->insn_len) { 1455 int i; 1456 1457 printed += fprintf(fp, " insn:"); 1458 for (i = 0; i < sample->insn_len; i++) 1459 printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]); 1460 } 1461 if (PRINT_FIELD(BRSTACKINSN)) 1462 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp); 1463 1464 return printed; 1465 } 1466 1467 static int perf_sample__fprintf_ipc(struct perf_sample *sample, 1468 struct perf_event_attr *attr, FILE *fp) 1469 { 1470 unsigned int ipc; 1471 1472 if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt) 1473 return 0; 1474 1475 ipc = (sample->insn_cnt * 100) / sample->cyc_cnt; 1476 1477 return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ", 1478 ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt); 1479 } 1480 1481 static int perf_sample__fprintf_bts(struct perf_sample *sample, 1482 struct evsel *evsel, 1483 struct thread *thread, 1484 struct addr_location *al, 1485 struct addr_location *addr_al, 1486 struct machine *machine, FILE *fp) 1487 { 1488 struct perf_event_attr *attr = &evsel->core.attr; 1489 unsigned int type = output_type(attr->type); 1490 bool print_srcline_last = false; 1491 int printed = 0; 1492 1493 if (PRINT_FIELD(CALLINDENT)) 1494 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, addr_al, fp); 1495 1496 /* print branch_from information */ 1497 if (PRINT_FIELD(IP)) { 1498 unsigned int print_opts = output[type].print_ip_opts; 1499 struct callchain_cursor *cursor = NULL; 1500 1501 if (symbol_conf.use_callchain && sample->callchain && 1502 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 1503 sample, NULL, NULL, scripting_max_stack) == 0) 1504 cursor = &callchain_cursor; 1505 1506 if (cursor == NULL) { 1507 printed += fprintf(fp, " "); 1508 if (print_opts & EVSEL__PRINT_SRCLINE) { 1509 print_srcline_last = true; 1510 print_opts &= ~EVSEL__PRINT_SRCLINE; 1511 } 1512 } else 1513 printed += fprintf(fp, "\n"); 1514 1515 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, 1516 symbol_conf.bt_stop_list, fp); 1517 } 1518 1519 /* print branch_to information */ 1520 if (PRINT_FIELD(ADDR) || 1521 ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 1522 !output[type].user_set)) { 1523 printed += fprintf(fp, " => "); 1524 printed += perf_sample__fprintf_addr(sample, thread, attr, fp); 1525 } 1526 1527 printed += perf_sample__fprintf_ipc(sample, attr, fp); 1528 1529 if (print_srcline_last) 1530 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp); 1531 1532 printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 1533 printed += fprintf(fp, "\n"); 1534 if (PRINT_FIELD(SRCCODE)) { 1535 int ret = map__fprintf_srccode(al->map, al->addr, stdout, 1536 &thread->srccode_state); 1537 if (ret) { 1538 printed += ret; 1539 printed += printf("\n"); 1540 } 1541 } 1542 return printed; 1543 } 1544 1545 static struct { 1546 u32 flags; 1547 const char *name; 1548 } sample_flags[] = { 1549 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"}, 1550 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"}, 1551 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"}, 1552 {PERF_IP_FLAG_BRANCH, "jmp"}, 1553 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"}, 1554 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"}, 1555 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"}, 1556 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"}, 1557 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"}, 1558 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"}, 1559 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"}, 1560 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"}, 1561 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"}, 1562 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMENTRY, "vmentry"}, 1563 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMEXIT, "vmexit"}, 1564 {0, NULL} 1565 }; 1566 1567 static const char *sample_flags_to_name(u32 flags) 1568 { 1569 int i; 1570 1571 for (i = 0; sample_flags[i].name ; i++) { 1572 if (sample_flags[i].flags == flags) 1573 return sample_flags[i].name; 1574 } 1575 1576 return NULL; 1577 } 1578 1579 int perf_sample__sprintf_flags(u32 flags, char *str, size_t sz) 1580 { 1581 const char *chars = PERF_IP_FLAG_CHARS; 1582 const size_t n = strlen(PERF_IP_FLAG_CHARS); 1583 bool in_tx = flags & PERF_IP_FLAG_IN_TX; 1584 const char *name = NULL; 1585 size_t i, pos = 0; 1586 1587 name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX); 1588 if (name) 1589 return snprintf(str, sz, "%-15s%4s", name, in_tx ? "(x)" : ""); 1590 1591 if (flags & PERF_IP_FLAG_TRACE_BEGIN) { 1592 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN)); 1593 if (name) 1594 return snprintf(str, sz, "tr strt %-7s%4s", name, in_tx ? "(x)" : ""); 1595 } 1596 1597 if (flags & PERF_IP_FLAG_TRACE_END) { 1598 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END)); 1599 if (name) 1600 return snprintf(str, sz, "tr end %-7s%4s", name, in_tx ? "(x)" : ""); 1601 } 1602 1603 for (i = 0; i < n; i++, flags >>= 1) { 1604 if ((flags & 1) && pos < sz) 1605 str[pos++] = chars[i]; 1606 } 1607 for (; i < 32; i++, flags >>= 1) { 1608 if ((flags & 1) && pos < sz) 1609 str[pos++] = '?'; 1610 } 1611 if (pos < sz) 1612 str[pos] = 0; 1613 1614 return pos; 1615 } 1616 1617 static int perf_sample__fprintf_flags(u32 flags, FILE *fp) 1618 { 1619 char str[SAMPLE_FLAGS_BUF_SIZE]; 1620 1621 perf_sample__sprintf_flags(flags, str, sizeof(str)); 1622 return fprintf(fp, " %-19s ", str); 1623 } 1624 1625 struct printer_data { 1626 int line_no; 1627 bool hit_nul; 1628 bool is_printable; 1629 }; 1630 1631 static int sample__fprintf_bpf_output(enum binary_printer_ops op, 1632 unsigned int val, 1633 void *extra, FILE *fp) 1634 { 1635 unsigned char ch = (unsigned char)val; 1636 struct printer_data *printer_data = extra; 1637 int printed = 0; 1638 1639 switch (op) { 1640 case BINARY_PRINT_DATA_BEGIN: 1641 printed += fprintf(fp, "\n"); 1642 break; 1643 case BINARY_PRINT_LINE_BEGIN: 1644 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" : 1645 " "); 1646 break; 1647 case BINARY_PRINT_ADDR: 1648 printed += fprintf(fp, " %04x:", val); 1649 break; 1650 case BINARY_PRINT_NUM_DATA: 1651 printed += fprintf(fp, " %02x", val); 1652 break; 1653 case BINARY_PRINT_NUM_PAD: 1654 printed += fprintf(fp, " "); 1655 break; 1656 case BINARY_PRINT_SEP: 1657 printed += fprintf(fp, " "); 1658 break; 1659 case BINARY_PRINT_CHAR_DATA: 1660 if (printer_data->hit_nul && ch) 1661 printer_data->is_printable = false; 1662 1663 if (!isprint(ch)) { 1664 printed += fprintf(fp, "%c", '.'); 1665 1666 if (!printer_data->is_printable) 1667 break; 1668 1669 if (ch == '\0') 1670 printer_data->hit_nul = true; 1671 else 1672 printer_data->is_printable = false; 1673 } else { 1674 printed += fprintf(fp, "%c", ch); 1675 } 1676 break; 1677 case BINARY_PRINT_CHAR_PAD: 1678 printed += fprintf(fp, " "); 1679 break; 1680 case BINARY_PRINT_LINE_END: 1681 printed += fprintf(fp, "\n"); 1682 printer_data->line_no++; 1683 break; 1684 case BINARY_PRINT_DATA_END: 1685 default: 1686 break; 1687 } 1688 1689 return printed; 1690 } 1691 1692 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp) 1693 { 1694 unsigned int nr_bytes = sample->raw_size; 1695 struct printer_data printer_data = {0, false, true}; 1696 int printed = binary__fprintf(sample->raw_data, nr_bytes, 8, 1697 sample__fprintf_bpf_output, &printer_data, fp); 1698 1699 if (printer_data.is_printable && printer_data.hit_nul) 1700 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data)); 1701 1702 return printed; 1703 } 1704 1705 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp) 1706 { 1707 if (len > 0 && len < spacing) 1708 return fprintf(fp, "%*s", spacing - len, ""); 1709 1710 return 0; 1711 } 1712 1713 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp) 1714 { 1715 return perf_sample__fprintf_spacing(len, 34, fp); 1716 } 1717 1718 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp) 1719 { 1720 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample); 1721 int len; 1722 1723 if (perf_sample__bad_synth_size(sample, *data)) 1724 return 0; 1725 1726 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ", 1727 data->ip, le64_to_cpu(data->payload)); 1728 return len + perf_sample__fprintf_pt_spacing(len, fp); 1729 } 1730 1731 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp) 1732 { 1733 struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample); 1734 int len; 1735 1736 if (perf_sample__bad_synth_size(sample, *data)) 1737 return 0; 1738 1739 len = fprintf(fp, " hints: %#x extensions: %#x ", 1740 data->hints, data->extensions); 1741 return len + perf_sample__fprintf_pt_spacing(len, fp); 1742 } 1743 1744 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp) 1745 { 1746 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample); 1747 int len; 1748 1749 if (perf_sample__bad_synth_size(sample, *data)) 1750 return 0; 1751 1752 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ", 1753 data->hw, data->cstate, data->subcstate); 1754 return len + perf_sample__fprintf_pt_spacing(len, fp); 1755 } 1756 1757 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp) 1758 { 1759 struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample); 1760 int len; 1761 1762 if (perf_sample__bad_synth_size(sample, *data)) 1763 return 0; 1764 1765 len = fprintf(fp, " IP: %u ", data->ip); 1766 return len + perf_sample__fprintf_pt_spacing(len, fp); 1767 } 1768 1769 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp) 1770 { 1771 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample); 1772 int len; 1773 1774 if (perf_sample__bad_synth_size(sample, *data)) 1775 return 0; 1776 1777 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ", 1778 data->deepest_cstate, data->last_cstate, 1779 data->wake_reason); 1780 return len + perf_sample__fprintf_pt_spacing(len, fp); 1781 } 1782 1783 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp) 1784 { 1785 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample); 1786 unsigned int percent, freq; 1787 int len; 1788 1789 if (perf_sample__bad_synth_size(sample, *data)) 1790 return 0; 1791 1792 freq = (le32_to_cpu(data->freq) + 500) / 1000; 1793 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq); 1794 if (data->max_nonturbo) { 1795 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10; 1796 len += fprintf(fp, "(%3u%%) ", percent); 1797 } 1798 return len + perf_sample__fprintf_pt_spacing(len, fp); 1799 } 1800 1801 static int perf_sample__fprintf_synth_psb(struct perf_sample *sample, FILE *fp) 1802 { 1803 struct perf_synth_intel_psb *data = perf_sample__synth_ptr(sample); 1804 int len; 1805 1806 if (perf_sample__bad_synth_size(sample, *data)) 1807 return 0; 1808 1809 len = fprintf(fp, " psb offs: %#" PRIx64, data->offset); 1810 return len + perf_sample__fprintf_pt_spacing(len, fp); 1811 } 1812 1813 static int perf_sample__fprintf_synth(struct perf_sample *sample, 1814 struct evsel *evsel, FILE *fp) 1815 { 1816 switch (evsel->core.attr.config) { 1817 case PERF_SYNTH_INTEL_PTWRITE: 1818 return perf_sample__fprintf_synth_ptwrite(sample, fp); 1819 case PERF_SYNTH_INTEL_MWAIT: 1820 return perf_sample__fprintf_synth_mwait(sample, fp); 1821 case PERF_SYNTH_INTEL_PWRE: 1822 return perf_sample__fprintf_synth_pwre(sample, fp); 1823 case PERF_SYNTH_INTEL_EXSTOP: 1824 return perf_sample__fprintf_synth_exstop(sample, fp); 1825 case PERF_SYNTH_INTEL_PWRX: 1826 return perf_sample__fprintf_synth_pwrx(sample, fp); 1827 case PERF_SYNTH_INTEL_CBR: 1828 return perf_sample__fprintf_synth_cbr(sample, fp); 1829 case PERF_SYNTH_INTEL_PSB: 1830 return perf_sample__fprintf_synth_psb(sample, fp); 1831 default: 1832 break; 1833 } 1834 1835 return 0; 1836 } 1837 1838 static int evlist__max_name_len(struct evlist *evlist) 1839 { 1840 struct evsel *evsel; 1841 int max = 0; 1842 1843 evlist__for_each_entry(evlist, evsel) { 1844 int len = strlen(evsel__name(evsel)); 1845 1846 max = MAX(len, max); 1847 } 1848 1849 return max; 1850 } 1851 1852 static int data_src__fprintf(u64 data_src, FILE *fp) 1853 { 1854 struct mem_info mi = { .data_src.val = data_src }; 1855 char decode[100]; 1856 char out[100]; 1857 static int maxlen; 1858 int len; 1859 1860 perf_script__meminfo_scnprintf(decode, 100, &mi); 1861 1862 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode); 1863 if (maxlen < len) 1864 maxlen = len; 1865 1866 return fprintf(fp, "%-*s", maxlen, out); 1867 } 1868 1869 struct metric_ctx { 1870 struct perf_sample *sample; 1871 struct thread *thread; 1872 struct evsel *evsel; 1873 FILE *fp; 1874 }; 1875 1876 static void script_print_metric(struct perf_stat_config *config __maybe_unused, 1877 void *ctx, const char *color, 1878 const char *fmt, 1879 const char *unit, double val) 1880 { 1881 struct metric_ctx *mctx = ctx; 1882 1883 if (!fmt) 1884 return; 1885 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, 1886 PERF_RECORD_SAMPLE, mctx->fp); 1887 fputs("\tmetric: ", mctx->fp); 1888 if (color) 1889 color_fprintf(mctx->fp, color, fmt, val); 1890 else 1891 printf(fmt, val); 1892 fprintf(mctx->fp, " %s\n", unit); 1893 } 1894 1895 static void script_new_line(struct perf_stat_config *config __maybe_unused, 1896 void *ctx) 1897 { 1898 struct metric_ctx *mctx = ctx; 1899 1900 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, 1901 PERF_RECORD_SAMPLE, mctx->fp); 1902 fputs("\tmetric: ", mctx->fp); 1903 } 1904 1905 static void perf_sample__fprint_metric(struct perf_script *script, 1906 struct thread *thread, 1907 struct evsel *evsel, 1908 struct perf_sample *sample, 1909 FILE *fp) 1910 { 1911 struct evsel *leader = evsel__leader(evsel); 1912 struct perf_stat_output_ctx ctx = { 1913 .print_metric = script_print_metric, 1914 .new_line = script_new_line, 1915 .ctx = &(struct metric_ctx) { 1916 .sample = sample, 1917 .thread = thread, 1918 .evsel = evsel, 1919 .fp = fp, 1920 }, 1921 .force_header = false, 1922 }; 1923 struct evsel *ev2; 1924 u64 val; 1925 1926 if (!evsel->stats) 1927 evlist__alloc_stats(script->session->evlist, false); 1928 if (evsel_script(leader)->gnum++ == 0) 1929 perf_stat__reset_shadow_stats(); 1930 val = sample->period * evsel->scale; 1931 perf_stat__update_shadow_stats(evsel, 1932 val, 1933 sample->cpu, 1934 &rt_stat); 1935 evsel_script(evsel)->val = val; 1936 if (evsel_script(leader)->gnum == leader->core.nr_members) { 1937 for_each_group_member (ev2, leader) { 1938 perf_stat__print_shadow_stats(&stat_config, ev2, 1939 evsel_script(ev2)->val, 1940 sample->cpu, 1941 &ctx, 1942 NULL, 1943 &rt_stat); 1944 } 1945 evsel_script(leader)->gnum = 0; 1946 } 1947 } 1948 1949 static bool show_event(struct perf_sample *sample, 1950 struct evsel *evsel, 1951 struct thread *thread, 1952 struct addr_location *al, 1953 struct addr_location *addr_al) 1954 { 1955 int depth = thread_stack__depth(thread, sample->cpu); 1956 1957 if (!symbol_conf.graph_function) 1958 return true; 1959 1960 if (thread->filter) { 1961 if (depth <= thread->filter_entry_depth) { 1962 thread->filter = false; 1963 return false; 1964 } 1965 return true; 1966 } else { 1967 const char *s = symbol_conf.graph_function; 1968 u64 ip; 1969 const char *name = resolve_branch_sym(sample, evsel, thread, al, addr_al, 1970 &ip); 1971 unsigned nlen; 1972 1973 if (!name) 1974 return false; 1975 nlen = strlen(name); 1976 while (*s) { 1977 unsigned len = strcspn(s, ","); 1978 if (nlen == len && !strncmp(name, s, len)) { 1979 thread->filter = true; 1980 thread->filter_entry_depth = depth; 1981 return true; 1982 } 1983 s += len; 1984 if (*s == ',') 1985 s++; 1986 } 1987 return false; 1988 } 1989 } 1990 1991 static void process_event(struct perf_script *script, 1992 struct perf_sample *sample, struct evsel *evsel, 1993 struct addr_location *al, 1994 struct addr_location *addr_al, 1995 struct machine *machine) 1996 { 1997 struct thread *thread = al->thread; 1998 struct perf_event_attr *attr = &evsel->core.attr; 1999 unsigned int type = output_type(attr->type); 2000 struct evsel_script *es = evsel->priv; 2001 FILE *fp = es->fp; 2002 char str[PAGE_SIZE_NAME_LEN]; 2003 2004 if (output[type].fields == 0) 2005 return; 2006 2007 ++es->samples; 2008 2009 perf_sample__fprintf_start(script, sample, thread, evsel, 2010 PERF_RECORD_SAMPLE, fp); 2011 2012 if (PRINT_FIELD(PERIOD)) 2013 fprintf(fp, "%10" PRIu64 " ", sample->period); 2014 2015 if (PRINT_FIELD(EVNAME)) { 2016 const char *evname = evsel__name(evsel); 2017 2018 if (!script->name_width) 2019 script->name_width = evlist__max_name_len(script->session->evlist); 2020 2021 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]"); 2022 } 2023 2024 if (print_flags) 2025 perf_sample__fprintf_flags(sample->flags, fp); 2026 2027 if (is_bts_event(attr)) { 2028 perf_sample__fprintf_bts(sample, evsel, thread, al, addr_al, machine, fp); 2029 return; 2030 } 2031 2032 if (PRINT_FIELD(TRACE) && sample->raw_data) { 2033 event_format__fprintf(evsel->tp_format, sample->cpu, 2034 sample->raw_data, sample->raw_size, fp); 2035 } 2036 2037 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH)) 2038 perf_sample__fprintf_synth(sample, evsel, fp); 2039 2040 if (PRINT_FIELD(ADDR)) 2041 perf_sample__fprintf_addr(sample, thread, attr, fp); 2042 2043 if (PRINT_FIELD(DATA_SRC)) 2044 data_src__fprintf(sample->data_src, fp); 2045 2046 if (PRINT_FIELD(WEIGHT)) 2047 fprintf(fp, "%16" PRIu64, sample->weight); 2048 2049 if (PRINT_FIELD(INS_LAT)) 2050 fprintf(fp, "%16" PRIu16, sample->ins_lat); 2051 2052 if (PRINT_FIELD(IP)) { 2053 struct callchain_cursor *cursor = NULL; 2054 2055 if (script->stitch_lbr) 2056 al->thread->lbr_stitch_enable = true; 2057 2058 if (symbol_conf.use_callchain && sample->callchain && 2059 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 2060 sample, NULL, NULL, scripting_max_stack) == 0) 2061 cursor = &callchain_cursor; 2062 2063 fputc(cursor ? '\n' : ' ', fp); 2064 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, 2065 symbol_conf.bt_stop_list, fp); 2066 } 2067 2068 if (PRINT_FIELD(IREGS)) 2069 perf_sample__fprintf_iregs(sample, attr, fp); 2070 2071 if (PRINT_FIELD(UREGS)) 2072 perf_sample__fprintf_uregs(sample, attr, fp); 2073 2074 if (PRINT_FIELD(BRSTACK)) 2075 perf_sample__fprintf_brstack(sample, thread, attr, fp); 2076 else if (PRINT_FIELD(BRSTACKSYM)) 2077 perf_sample__fprintf_brstacksym(sample, thread, attr, fp); 2078 else if (PRINT_FIELD(BRSTACKOFF)) 2079 perf_sample__fprintf_brstackoff(sample, thread, attr, fp); 2080 2081 if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT)) 2082 perf_sample__fprintf_bpf_output(sample, fp); 2083 perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 2084 2085 if (PRINT_FIELD(PHYS_ADDR)) 2086 fprintf(fp, "%16" PRIx64, sample->phys_addr); 2087 2088 if (PRINT_FIELD(DATA_PAGE_SIZE)) 2089 fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str)); 2090 2091 if (PRINT_FIELD(CODE_PAGE_SIZE)) 2092 fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str)); 2093 2094 perf_sample__fprintf_ipc(sample, attr, fp); 2095 2096 fprintf(fp, "\n"); 2097 2098 if (PRINT_FIELD(SRCCODE)) { 2099 if (map__fprintf_srccode(al->map, al->addr, stdout, 2100 &thread->srccode_state)) 2101 printf("\n"); 2102 } 2103 2104 if (PRINT_FIELD(METRIC)) 2105 perf_sample__fprint_metric(script, thread, evsel, sample, fp); 2106 2107 if (verbose) 2108 fflush(fp); 2109 } 2110 2111 static struct scripting_ops *scripting_ops; 2112 2113 static void __process_stat(struct evsel *counter, u64 tstamp) 2114 { 2115 int nthreads = perf_thread_map__nr(counter->core.threads); 2116 int ncpus = evsel__nr_cpus(counter); 2117 int cpu, thread; 2118 static int header_printed; 2119 2120 if (counter->core.system_wide) 2121 nthreads = 1; 2122 2123 if (!header_printed) { 2124 printf("%3s %8s %15s %15s %15s %15s %s\n", 2125 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT"); 2126 header_printed = 1; 2127 } 2128 2129 for (thread = 0; thread < nthreads; thread++) { 2130 for (cpu = 0; cpu < ncpus; cpu++) { 2131 struct perf_counts_values *counts; 2132 2133 counts = perf_counts(counter->counts, cpu, thread); 2134 2135 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n", 2136 counter->core.cpus->map[cpu], 2137 perf_thread_map__pid(counter->core.threads, thread), 2138 counts->val, 2139 counts->ena, 2140 counts->run, 2141 tstamp, 2142 evsel__name(counter)); 2143 } 2144 } 2145 } 2146 2147 static void process_stat(struct evsel *counter, u64 tstamp) 2148 { 2149 if (scripting_ops && scripting_ops->process_stat) 2150 scripting_ops->process_stat(&stat_config, counter, tstamp); 2151 else 2152 __process_stat(counter, tstamp); 2153 } 2154 2155 static void process_stat_interval(u64 tstamp) 2156 { 2157 if (scripting_ops && scripting_ops->process_stat_interval) 2158 scripting_ops->process_stat_interval(tstamp); 2159 } 2160 2161 static void setup_scripting(void) 2162 { 2163 setup_perl_scripting(); 2164 setup_python_scripting(); 2165 } 2166 2167 static int flush_scripting(void) 2168 { 2169 return scripting_ops ? scripting_ops->flush_script() : 0; 2170 } 2171 2172 static int cleanup_scripting(void) 2173 { 2174 pr_debug("\nperf script stopped\n"); 2175 2176 return scripting_ops ? scripting_ops->stop_script() : 0; 2177 } 2178 2179 static bool filter_cpu(struct perf_sample *sample) 2180 { 2181 if (cpu_list && sample->cpu != (u32)-1) 2182 return !test_bit(sample->cpu, cpu_bitmap); 2183 return false; 2184 } 2185 2186 static int process_sample_event(struct perf_tool *tool, 2187 union perf_event *event, 2188 struct perf_sample *sample, 2189 struct evsel *evsel, 2190 struct machine *machine) 2191 { 2192 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2193 struct addr_location al; 2194 struct addr_location addr_al; 2195 int ret = 0; 2196 2197 /* Set thread to NULL to indicate addr_al and al are not initialized */ 2198 addr_al.thread = NULL; 2199 al.thread = NULL; 2200 2201 ret = dlfilter__filter_event_early(dlfilter, event, sample, evsel, machine, &al, &addr_al); 2202 if (ret) { 2203 if (ret > 0) 2204 ret = 0; 2205 goto out_put; 2206 } 2207 2208 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num, 2209 sample->time)) { 2210 goto out_put; 2211 } 2212 2213 if (debug_mode) { 2214 if (sample->time < last_timestamp) { 2215 pr_err("Samples misordered, previous: %" PRIu64 2216 " this: %" PRIu64 "\n", last_timestamp, 2217 sample->time); 2218 nr_unordered++; 2219 } 2220 last_timestamp = sample->time; 2221 goto out_put; 2222 } 2223 2224 if (filter_cpu(sample)) 2225 goto out_put; 2226 2227 if (!al.thread && machine__resolve(machine, &al, sample) < 0) { 2228 pr_err("problem processing %d event, skipping it.\n", 2229 event->header.type); 2230 ret = -1; 2231 goto out_put; 2232 } 2233 2234 if (al.filtered) 2235 goto out_put; 2236 2237 if (!show_event(sample, evsel, al.thread, &al, &addr_al)) 2238 goto out_put; 2239 2240 if (evswitch__discard(&scr->evswitch, evsel)) 2241 goto out_put; 2242 2243 ret = dlfilter__filter_event(dlfilter, event, sample, evsel, machine, &al, &addr_al); 2244 if (ret) { 2245 if (ret > 0) 2246 ret = 0; 2247 goto out_put; 2248 } 2249 2250 if (scripting_ops) { 2251 struct addr_location *addr_al_ptr = NULL; 2252 2253 if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 2254 sample_addr_correlates_sym(&evsel->core.attr)) { 2255 if (!addr_al.thread) 2256 thread__resolve(al.thread, &addr_al, sample); 2257 addr_al_ptr = &addr_al; 2258 } 2259 scripting_ops->process_event(event, sample, evsel, &al, addr_al_ptr); 2260 } else { 2261 process_event(scr, sample, evsel, &al, &addr_al, machine); 2262 } 2263 2264 out_put: 2265 if (al.thread) 2266 addr_location__put(&al); 2267 return ret; 2268 } 2269 2270 static int process_attr(struct perf_tool *tool, union perf_event *event, 2271 struct evlist **pevlist) 2272 { 2273 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2274 struct evlist *evlist; 2275 struct evsel *evsel, *pos; 2276 u64 sample_type; 2277 int err; 2278 static struct evsel_script *es; 2279 2280 err = perf_event__process_attr(tool, event, pevlist); 2281 if (err) 2282 return err; 2283 2284 evlist = *pevlist; 2285 evsel = evlist__last(*pevlist); 2286 2287 if (!evsel->priv) { 2288 if (scr->per_event_dump) { 2289 evsel->priv = evsel_script__new(evsel, scr->session->data); 2290 } else { 2291 es = zalloc(sizeof(*es)); 2292 if (!es) 2293 return -ENOMEM; 2294 es->fp = stdout; 2295 evsel->priv = es; 2296 } 2297 } 2298 2299 if (evsel->core.attr.type >= PERF_TYPE_MAX && 2300 evsel->core.attr.type != PERF_TYPE_SYNTH) 2301 return 0; 2302 2303 evlist__for_each_entry(evlist, pos) { 2304 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel) 2305 return 0; 2306 } 2307 2308 if (evsel->core.attr.sample_type) { 2309 err = evsel__check_attr(evsel, scr->session); 2310 if (err) 2311 return err; 2312 } 2313 2314 /* 2315 * Check if we need to enable callchains based 2316 * on events sample_type. 2317 */ 2318 sample_type = evlist__combined_sample_type(evlist); 2319 callchain_param_setup(sample_type); 2320 2321 /* Enable fields for callchain entries */ 2322 if (symbol_conf.use_callchain && 2323 (sample_type & PERF_SAMPLE_CALLCHAIN || 2324 sample_type & PERF_SAMPLE_BRANCH_STACK || 2325 (sample_type & PERF_SAMPLE_REGS_USER && 2326 sample_type & PERF_SAMPLE_STACK_USER))) { 2327 int type = output_type(evsel->core.attr.type); 2328 2329 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP)) 2330 output[type].fields |= PERF_OUTPUT_IP; 2331 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM)) 2332 output[type].fields |= PERF_OUTPUT_SYM; 2333 } 2334 set_print_ip_opts(&evsel->core.attr); 2335 return 0; 2336 } 2337 2338 static int print_event_with_time(struct perf_tool *tool, 2339 union perf_event *event, 2340 struct perf_sample *sample, 2341 struct machine *machine, 2342 pid_t pid, pid_t tid, u64 timestamp) 2343 { 2344 struct perf_script *script = container_of(tool, struct perf_script, tool); 2345 struct perf_session *session = script->session; 2346 struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id); 2347 struct thread *thread = NULL; 2348 2349 if (evsel && !evsel->core.attr.sample_id_all) { 2350 sample->cpu = 0; 2351 sample->time = timestamp; 2352 sample->pid = pid; 2353 sample->tid = tid; 2354 } 2355 2356 if (filter_cpu(sample)) 2357 return 0; 2358 2359 if (tid != -1) 2360 thread = machine__findnew_thread(machine, pid, tid); 2361 2362 if (evsel) { 2363 perf_sample__fprintf_start(script, sample, thread, evsel, 2364 event->header.type, stdout); 2365 } 2366 2367 perf_event__fprintf(event, machine, stdout); 2368 2369 thread__put(thread); 2370 2371 return 0; 2372 } 2373 2374 static int print_event(struct perf_tool *tool, union perf_event *event, 2375 struct perf_sample *sample, struct machine *machine, 2376 pid_t pid, pid_t tid) 2377 { 2378 return print_event_with_time(tool, event, sample, machine, pid, tid, 0); 2379 } 2380 2381 static int process_comm_event(struct perf_tool *tool, 2382 union perf_event *event, 2383 struct perf_sample *sample, 2384 struct machine *machine) 2385 { 2386 if (perf_event__process_comm(tool, event, sample, machine) < 0) 2387 return -1; 2388 2389 return print_event(tool, event, sample, machine, event->comm.pid, 2390 event->comm.tid); 2391 } 2392 2393 static int process_namespaces_event(struct perf_tool *tool, 2394 union perf_event *event, 2395 struct perf_sample *sample, 2396 struct machine *machine) 2397 { 2398 if (perf_event__process_namespaces(tool, event, sample, machine) < 0) 2399 return -1; 2400 2401 return print_event(tool, event, sample, machine, event->namespaces.pid, 2402 event->namespaces.tid); 2403 } 2404 2405 static int process_cgroup_event(struct perf_tool *tool, 2406 union perf_event *event, 2407 struct perf_sample *sample, 2408 struct machine *machine) 2409 { 2410 if (perf_event__process_cgroup(tool, event, sample, machine) < 0) 2411 return -1; 2412 2413 return print_event(tool, event, sample, machine, sample->pid, 2414 sample->tid); 2415 } 2416 2417 static int process_fork_event(struct perf_tool *tool, 2418 union perf_event *event, 2419 struct perf_sample *sample, 2420 struct machine *machine) 2421 { 2422 if (perf_event__process_fork(tool, event, sample, machine) < 0) 2423 return -1; 2424 2425 return print_event_with_time(tool, event, sample, machine, 2426 event->fork.pid, event->fork.tid, 2427 event->fork.time); 2428 } 2429 static int process_exit_event(struct perf_tool *tool, 2430 union perf_event *event, 2431 struct perf_sample *sample, 2432 struct machine *machine) 2433 { 2434 /* Print before 'exit' deletes anything */ 2435 if (print_event_with_time(tool, event, sample, machine, event->fork.pid, 2436 event->fork.tid, event->fork.time)) 2437 return -1; 2438 2439 return perf_event__process_exit(tool, event, sample, machine); 2440 } 2441 2442 static int process_mmap_event(struct perf_tool *tool, 2443 union perf_event *event, 2444 struct perf_sample *sample, 2445 struct machine *machine) 2446 { 2447 if (perf_event__process_mmap(tool, event, sample, machine) < 0) 2448 return -1; 2449 2450 return print_event(tool, event, sample, machine, event->mmap.pid, 2451 event->mmap.tid); 2452 } 2453 2454 static int process_mmap2_event(struct perf_tool *tool, 2455 union perf_event *event, 2456 struct perf_sample *sample, 2457 struct machine *machine) 2458 { 2459 if (perf_event__process_mmap2(tool, event, sample, machine) < 0) 2460 return -1; 2461 2462 return print_event(tool, event, sample, machine, event->mmap2.pid, 2463 event->mmap2.tid); 2464 } 2465 2466 static int process_switch_event(struct perf_tool *tool, 2467 union perf_event *event, 2468 struct perf_sample *sample, 2469 struct machine *machine) 2470 { 2471 struct perf_script *script = container_of(tool, struct perf_script, tool); 2472 2473 if (perf_event__process_switch(tool, event, sample, machine) < 0) 2474 return -1; 2475 2476 if (scripting_ops && scripting_ops->process_switch) 2477 scripting_ops->process_switch(event, sample, machine); 2478 2479 if (!script->show_switch_events) 2480 return 0; 2481 2482 return print_event(tool, event, sample, machine, sample->pid, 2483 sample->tid); 2484 } 2485 2486 static int process_auxtrace_error(struct perf_session *session, 2487 union perf_event *event) 2488 { 2489 if (scripting_ops && scripting_ops->process_auxtrace_error) { 2490 scripting_ops->process_auxtrace_error(session, event); 2491 return 0; 2492 } 2493 2494 return perf_event__process_auxtrace_error(session, event); 2495 } 2496 2497 static int 2498 process_lost_event(struct perf_tool *tool, 2499 union perf_event *event, 2500 struct perf_sample *sample, 2501 struct machine *machine) 2502 { 2503 return print_event(tool, event, sample, machine, sample->pid, 2504 sample->tid); 2505 } 2506 2507 static int 2508 process_throttle_event(struct perf_tool *tool __maybe_unused, 2509 union perf_event *event, 2510 struct perf_sample *sample, 2511 struct machine *machine) 2512 { 2513 if (scripting_ops && scripting_ops->process_throttle) 2514 scripting_ops->process_throttle(event, sample, machine); 2515 return 0; 2516 } 2517 2518 static int 2519 process_finished_round_event(struct perf_tool *tool __maybe_unused, 2520 union perf_event *event, 2521 struct ordered_events *oe __maybe_unused) 2522 2523 { 2524 perf_event__fprintf(event, NULL, stdout); 2525 return 0; 2526 } 2527 2528 static int 2529 process_bpf_events(struct perf_tool *tool __maybe_unused, 2530 union perf_event *event, 2531 struct perf_sample *sample, 2532 struct machine *machine) 2533 { 2534 if (machine__process_ksymbol(machine, event, sample) < 0) 2535 return -1; 2536 2537 return print_event(tool, event, sample, machine, sample->pid, 2538 sample->tid); 2539 } 2540 2541 static int process_text_poke_events(struct perf_tool *tool, 2542 union perf_event *event, 2543 struct perf_sample *sample, 2544 struct machine *machine) 2545 { 2546 if (perf_event__process_text_poke(tool, event, sample, machine) < 0) 2547 return -1; 2548 2549 return print_event(tool, event, sample, machine, sample->pid, 2550 sample->tid); 2551 } 2552 2553 static void sig_handler(int sig __maybe_unused) 2554 { 2555 session_done = 1; 2556 } 2557 2558 static void perf_script__fclose_per_event_dump(struct perf_script *script) 2559 { 2560 struct evlist *evlist = script->session->evlist; 2561 struct evsel *evsel; 2562 2563 evlist__for_each_entry(evlist, evsel) { 2564 if (!evsel->priv) 2565 break; 2566 evsel_script__delete(evsel->priv); 2567 evsel->priv = NULL; 2568 } 2569 } 2570 2571 static int perf_script__fopen_per_event_dump(struct perf_script *script) 2572 { 2573 struct evsel *evsel; 2574 2575 evlist__for_each_entry(script->session->evlist, evsel) { 2576 /* 2577 * Already setup? I.e. we may be called twice in cases like 2578 * Intel PT, one for the intel_pt// and dummy events, then 2579 * for the evsels synthesized from the auxtrace info. 2580 * 2581 * Ses perf_script__process_auxtrace_info. 2582 */ 2583 if (evsel->priv != NULL) 2584 continue; 2585 2586 evsel->priv = evsel_script__new(evsel, script->session->data); 2587 if (evsel->priv == NULL) 2588 goto out_err_fclose; 2589 } 2590 2591 return 0; 2592 2593 out_err_fclose: 2594 perf_script__fclose_per_event_dump(script); 2595 return -1; 2596 } 2597 2598 static int perf_script__setup_per_event_dump(struct perf_script *script) 2599 { 2600 struct evsel *evsel; 2601 static struct evsel_script es_stdout; 2602 2603 if (script->per_event_dump) 2604 return perf_script__fopen_per_event_dump(script); 2605 2606 es_stdout.fp = stdout; 2607 2608 evlist__for_each_entry(script->session->evlist, evsel) 2609 evsel->priv = &es_stdout; 2610 2611 return 0; 2612 } 2613 2614 static void perf_script__exit_per_event_dump_stats(struct perf_script *script) 2615 { 2616 struct evsel *evsel; 2617 2618 evlist__for_each_entry(script->session->evlist, evsel) { 2619 struct evsel_script *es = evsel->priv; 2620 2621 evsel_script__fprintf(es, stdout); 2622 evsel_script__delete(es); 2623 evsel->priv = NULL; 2624 } 2625 } 2626 2627 static void perf_script__exit(struct perf_script *script) 2628 { 2629 perf_thread_map__put(script->threads); 2630 perf_cpu_map__put(script->cpus); 2631 } 2632 2633 static int __cmd_script(struct perf_script *script) 2634 { 2635 int ret; 2636 2637 signal(SIGINT, sig_handler); 2638 2639 perf_stat__init_shadow_stats(); 2640 2641 /* override event processing functions */ 2642 if (script->show_task_events) { 2643 script->tool.comm = process_comm_event; 2644 script->tool.fork = process_fork_event; 2645 script->tool.exit = process_exit_event; 2646 } 2647 if (script->show_mmap_events) { 2648 script->tool.mmap = process_mmap_event; 2649 script->tool.mmap2 = process_mmap2_event; 2650 } 2651 if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch)) 2652 script->tool.context_switch = process_switch_event; 2653 if (scripting_ops && scripting_ops->process_auxtrace_error) 2654 script->tool.auxtrace_error = process_auxtrace_error; 2655 if (script->show_namespace_events) 2656 script->tool.namespaces = process_namespaces_event; 2657 if (script->show_cgroup_events) 2658 script->tool.cgroup = process_cgroup_event; 2659 if (script->show_lost_events) 2660 script->tool.lost = process_lost_event; 2661 if (script->show_round_events) { 2662 script->tool.ordered_events = false; 2663 script->tool.finished_round = process_finished_round_event; 2664 } 2665 if (script->show_bpf_events) { 2666 script->tool.ksymbol = process_bpf_events; 2667 script->tool.bpf = process_bpf_events; 2668 } 2669 if (script->show_text_poke_events) { 2670 script->tool.ksymbol = process_bpf_events; 2671 script->tool.text_poke = process_text_poke_events; 2672 } 2673 2674 if (perf_script__setup_per_event_dump(script)) { 2675 pr_err("Couldn't create the per event dump files\n"); 2676 return -1; 2677 } 2678 2679 ret = perf_session__process_events(script->session); 2680 2681 if (script->per_event_dump) 2682 perf_script__exit_per_event_dump_stats(script); 2683 2684 if (debug_mode) 2685 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); 2686 2687 return ret; 2688 } 2689 2690 struct script_spec { 2691 struct list_head node; 2692 struct scripting_ops *ops; 2693 char spec[]; 2694 }; 2695 2696 static LIST_HEAD(script_specs); 2697 2698 static struct script_spec *script_spec__new(const char *spec, 2699 struct scripting_ops *ops) 2700 { 2701 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); 2702 2703 if (s != NULL) { 2704 strcpy(s->spec, spec); 2705 s->ops = ops; 2706 } 2707 2708 return s; 2709 } 2710 2711 static void script_spec__add(struct script_spec *s) 2712 { 2713 list_add_tail(&s->node, &script_specs); 2714 } 2715 2716 static struct script_spec *script_spec__find(const char *spec) 2717 { 2718 struct script_spec *s; 2719 2720 list_for_each_entry(s, &script_specs, node) 2721 if (strcasecmp(s->spec, spec) == 0) 2722 return s; 2723 return NULL; 2724 } 2725 2726 int script_spec_register(const char *spec, struct scripting_ops *ops) 2727 { 2728 struct script_spec *s; 2729 2730 s = script_spec__find(spec); 2731 if (s) 2732 return -1; 2733 2734 s = script_spec__new(spec, ops); 2735 if (!s) 2736 return -1; 2737 else 2738 script_spec__add(s); 2739 2740 return 0; 2741 } 2742 2743 static struct scripting_ops *script_spec__lookup(const char *spec) 2744 { 2745 struct script_spec *s = script_spec__find(spec); 2746 if (!s) 2747 return NULL; 2748 2749 return s->ops; 2750 } 2751 2752 static void list_available_languages(void) 2753 { 2754 struct script_spec *s; 2755 2756 fprintf(stderr, "\n"); 2757 fprintf(stderr, "Scripting language extensions (used in " 2758 "perf script -s [spec:]script.[spec]):\n\n"); 2759 2760 list_for_each_entry(s, &script_specs, node) 2761 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); 2762 2763 fprintf(stderr, "\n"); 2764 } 2765 2766 /* Find script file relative to current directory or exec path */ 2767 static char *find_script(const char *script) 2768 { 2769 char path[PATH_MAX]; 2770 2771 if (!scripting_ops) { 2772 const char *ext = strrchr(script, '.'); 2773 2774 if (!ext) 2775 return NULL; 2776 2777 scripting_ops = script_spec__lookup(++ext); 2778 if (!scripting_ops) 2779 return NULL; 2780 } 2781 2782 if (access(script, R_OK)) { 2783 char *exec_path = get_argv_exec_path(); 2784 2785 if (!exec_path) 2786 return NULL; 2787 snprintf(path, sizeof(path), "%s/scripts/%s/%s", 2788 exec_path, scripting_ops->dirname, script); 2789 free(exec_path); 2790 script = path; 2791 if (access(script, R_OK)) 2792 return NULL; 2793 } 2794 return strdup(script); 2795 } 2796 2797 static int parse_scriptname(const struct option *opt __maybe_unused, 2798 const char *str, int unset __maybe_unused) 2799 { 2800 char spec[PATH_MAX]; 2801 const char *script, *ext; 2802 int len; 2803 2804 if (strcmp(str, "lang") == 0) { 2805 list_available_languages(); 2806 exit(0); 2807 } 2808 2809 script = strchr(str, ':'); 2810 if (script) { 2811 len = script - str; 2812 if (len >= PATH_MAX) { 2813 fprintf(stderr, "invalid language specifier"); 2814 return -1; 2815 } 2816 strncpy(spec, str, len); 2817 spec[len] = '\0'; 2818 scripting_ops = script_spec__lookup(spec); 2819 if (!scripting_ops) { 2820 fprintf(stderr, "invalid language specifier"); 2821 return -1; 2822 } 2823 script++; 2824 } else { 2825 script = str; 2826 ext = strrchr(script, '.'); 2827 if (!ext) { 2828 fprintf(stderr, "invalid script extension"); 2829 return -1; 2830 } 2831 scripting_ops = script_spec__lookup(++ext); 2832 if (!scripting_ops) { 2833 fprintf(stderr, "invalid script extension"); 2834 return -1; 2835 } 2836 } 2837 2838 script_name = find_script(script); 2839 if (!script_name) 2840 script_name = strdup(script); 2841 2842 return 0; 2843 } 2844 2845 static int parse_output_fields(const struct option *opt __maybe_unused, 2846 const char *arg, int unset __maybe_unused) 2847 { 2848 char *tok, *strtok_saveptr = NULL; 2849 int i, imax = ARRAY_SIZE(all_output_options); 2850 int j; 2851 int rc = 0; 2852 char *str = strdup(arg); 2853 int type = -1; 2854 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT; 2855 2856 if (!str) 2857 return -ENOMEM; 2858 2859 /* first word can state for which event type the user is specifying 2860 * the fields. If no type exists, the specified fields apply to all 2861 * event types found in the file minus the invalid fields for a type. 2862 */ 2863 tok = strchr(str, ':'); 2864 if (tok) { 2865 *tok = '\0'; 2866 tok++; 2867 if (!strcmp(str, "hw")) 2868 type = PERF_TYPE_HARDWARE; 2869 else if (!strcmp(str, "sw")) 2870 type = PERF_TYPE_SOFTWARE; 2871 else if (!strcmp(str, "trace")) 2872 type = PERF_TYPE_TRACEPOINT; 2873 else if (!strcmp(str, "raw")) 2874 type = PERF_TYPE_RAW; 2875 else if (!strcmp(str, "break")) 2876 type = PERF_TYPE_BREAKPOINT; 2877 else if (!strcmp(str, "synth")) 2878 type = OUTPUT_TYPE_SYNTH; 2879 else { 2880 fprintf(stderr, "Invalid event type in field string.\n"); 2881 rc = -EINVAL; 2882 goto out; 2883 } 2884 2885 if (output[type].user_set) 2886 pr_warning("Overriding previous field request for %s events.\n", 2887 event_type(type)); 2888 2889 /* Don't override defaults for +- */ 2890 if (strchr(tok, '+') || strchr(tok, '-')) 2891 goto parse; 2892 2893 output[type].fields = 0; 2894 output[type].user_set = true; 2895 output[type].wildcard_set = false; 2896 2897 } else { 2898 tok = str; 2899 if (strlen(str) == 0) { 2900 fprintf(stderr, 2901 "Cannot set fields to 'none' for all event types.\n"); 2902 rc = -EINVAL; 2903 goto out; 2904 } 2905 2906 /* Don't override defaults for +- */ 2907 if (strchr(str, '+') || strchr(str, '-')) 2908 goto parse; 2909 2910 if (output_set_by_user()) 2911 pr_warning("Overriding previous field request for all events.\n"); 2912 2913 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 2914 output[j].fields = 0; 2915 output[j].user_set = true; 2916 output[j].wildcard_set = true; 2917 } 2918 } 2919 2920 parse: 2921 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) { 2922 if (*tok == '+') { 2923 if (change == SET) 2924 goto out_badmix; 2925 change = ADD; 2926 tok++; 2927 } else if (*tok == '-') { 2928 if (change == SET) 2929 goto out_badmix; 2930 change = REMOVE; 2931 tok++; 2932 } else { 2933 if (change != SET && change != DEFAULT) 2934 goto out_badmix; 2935 change = SET; 2936 } 2937 2938 for (i = 0; i < imax; ++i) { 2939 if (strcmp(tok, all_output_options[i].str) == 0) 2940 break; 2941 } 2942 if (i == imax && strcmp(tok, "flags") == 0) { 2943 print_flags = change != REMOVE; 2944 continue; 2945 } 2946 if (i == imax) { 2947 fprintf(stderr, "Invalid field requested.\n"); 2948 rc = -EINVAL; 2949 goto out; 2950 } 2951 2952 if (type == -1) { 2953 /* add user option to all events types for 2954 * which it is valid 2955 */ 2956 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 2957 if (output[j].invalid_fields & all_output_options[i].field) { 2958 pr_warning("\'%s\' not valid for %s events. Ignoring.\n", 2959 all_output_options[i].str, event_type(j)); 2960 } else { 2961 if (change == REMOVE) { 2962 output[j].fields &= ~all_output_options[i].field; 2963 output[j].user_set_fields &= ~all_output_options[i].field; 2964 output[j].user_unset_fields |= all_output_options[i].field; 2965 } else { 2966 output[j].fields |= all_output_options[i].field; 2967 output[j].user_set_fields |= all_output_options[i].field; 2968 output[j].user_unset_fields &= ~all_output_options[i].field; 2969 } 2970 output[j].user_set = true; 2971 output[j].wildcard_set = true; 2972 } 2973 } 2974 } else { 2975 if (output[type].invalid_fields & all_output_options[i].field) { 2976 fprintf(stderr, "\'%s\' not valid for %s events.\n", 2977 all_output_options[i].str, event_type(type)); 2978 2979 rc = -EINVAL; 2980 goto out; 2981 } 2982 if (change == REMOVE) 2983 output[type].fields &= ~all_output_options[i].field; 2984 else 2985 output[type].fields |= all_output_options[i].field; 2986 output[type].user_set = true; 2987 output[type].wildcard_set = true; 2988 } 2989 } 2990 2991 if (type >= 0) { 2992 if (output[type].fields == 0) { 2993 pr_debug("No fields requested for %s type. " 2994 "Events will not be displayed.\n", event_type(type)); 2995 } 2996 } 2997 goto out; 2998 2999 out_badmix: 3000 fprintf(stderr, "Cannot mix +-field with overridden fields\n"); 3001 rc = -EINVAL; 3002 out: 3003 free(str); 3004 return rc; 3005 } 3006 3007 #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \ 3008 while ((lang_dirent = readdir(scripts_dir)) != NULL) \ 3009 if ((lang_dirent->d_type == DT_DIR || \ 3010 (lang_dirent->d_type == DT_UNKNOWN && \ 3011 is_directory(scripts_path, lang_dirent))) && \ 3012 (strcmp(lang_dirent->d_name, ".")) && \ 3013 (strcmp(lang_dirent->d_name, ".."))) 3014 3015 #define for_each_script(lang_path, lang_dir, script_dirent) \ 3016 while ((script_dirent = readdir(lang_dir)) != NULL) \ 3017 if (script_dirent->d_type != DT_DIR && \ 3018 (script_dirent->d_type != DT_UNKNOWN || \ 3019 !is_directory(lang_path, script_dirent))) 3020 3021 3022 #define RECORD_SUFFIX "-record" 3023 #define REPORT_SUFFIX "-report" 3024 3025 struct script_desc { 3026 struct list_head node; 3027 char *name; 3028 char *half_liner; 3029 char *args; 3030 }; 3031 3032 static LIST_HEAD(script_descs); 3033 3034 static struct script_desc *script_desc__new(const char *name) 3035 { 3036 struct script_desc *s = zalloc(sizeof(*s)); 3037 3038 if (s != NULL && name) 3039 s->name = strdup(name); 3040 3041 return s; 3042 } 3043 3044 static void script_desc__delete(struct script_desc *s) 3045 { 3046 zfree(&s->name); 3047 zfree(&s->half_liner); 3048 zfree(&s->args); 3049 free(s); 3050 } 3051 3052 static void script_desc__add(struct script_desc *s) 3053 { 3054 list_add_tail(&s->node, &script_descs); 3055 } 3056 3057 static struct script_desc *script_desc__find(const char *name) 3058 { 3059 struct script_desc *s; 3060 3061 list_for_each_entry(s, &script_descs, node) 3062 if (strcasecmp(s->name, name) == 0) 3063 return s; 3064 return NULL; 3065 } 3066 3067 static struct script_desc *script_desc__findnew(const char *name) 3068 { 3069 struct script_desc *s = script_desc__find(name); 3070 3071 if (s) 3072 return s; 3073 3074 s = script_desc__new(name); 3075 if (!s) 3076 return NULL; 3077 3078 script_desc__add(s); 3079 3080 return s; 3081 } 3082 3083 static const char *ends_with(const char *str, const char *suffix) 3084 { 3085 size_t suffix_len = strlen(suffix); 3086 const char *p = str; 3087 3088 if (strlen(str) > suffix_len) { 3089 p = str + strlen(str) - suffix_len; 3090 if (!strncmp(p, suffix, suffix_len)) 3091 return p; 3092 } 3093 3094 return NULL; 3095 } 3096 3097 static int read_script_info(struct script_desc *desc, const char *filename) 3098 { 3099 char line[BUFSIZ], *p; 3100 FILE *fp; 3101 3102 fp = fopen(filename, "r"); 3103 if (!fp) 3104 return -1; 3105 3106 while (fgets(line, sizeof(line), fp)) { 3107 p = skip_spaces(line); 3108 if (strlen(p) == 0) 3109 continue; 3110 if (*p != '#') 3111 continue; 3112 p++; 3113 if (strlen(p) && *p == '!') 3114 continue; 3115 3116 p = skip_spaces(p); 3117 if (strlen(p) && p[strlen(p) - 1] == '\n') 3118 p[strlen(p) - 1] = '\0'; 3119 3120 if (!strncmp(p, "description:", strlen("description:"))) { 3121 p += strlen("description:"); 3122 desc->half_liner = strdup(skip_spaces(p)); 3123 continue; 3124 } 3125 3126 if (!strncmp(p, "args:", strlen("args:"))) { 3127 p += strlen("args:"); 3128 desc->args = strdup(skip_spaces(p)); 3129 continue; 3130 } 3131 } 3132 3133 fclose(fp); 3134 3135 return 0; 3136 } 3137 3138 static char *get_script_root(struct dirent *script_dirent, const char *suffix) 3139 { 3140 char *script_root, *str; 3141 3142 script_root = strdup(script_dirent->d_name); 3143 if (!script_root) 3144 return NULL; 3145 3146 str = (char *)ends_with(script_root, suffix); 3147 if (!str) { 3148 free(script_root); 3149 return NULL; 3150 } 3151 3152 *str = '\0'; 3153 return script_root; 3154 } 3155 3156 static int list_available_scripts(const struct option *opt __maybe_unused, 3157 const char *s __maybe_unused, 3158 int unset __maybe_unused) 3159 { 3160 struct dirent *script_dirent, *lang_dirent; 3161 char scripts_path[MAXPATHLEN]; 3162 DIR *scripts_dir, *lang_dir; 3163 char script_path[MAXPATHLEN]; 3164 char lang_path[MAXPATHLEN]; 3165 struct script_desc *desc; 3166 char first_half[BUFSIZ]; 3167 char *script_root; 3168 3169 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3170 3171 scripts_dir = opendir(scripts_path); 3172 if (!scripts_dir) { 3173 fprintf(stdout, 3174 "open(%s) failed.\n" 3175 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n", 3176 scripts_path); 3177 exit(-1); 3178 } 3179 3180 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3181 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3182 lang_dirent->d_name); 3183 lang_dir = opendir(lang_path); 3184 if (!lang_dir) 3185 continue; 3186 3187 for_each_script(lang_path, lang_dir, script_dirent) { 3188 script_root = get_script_root(script_dirent, REPORT_SUFFIX); 3189 if (script_root) { 3190 desc = script_desc__findnew(script_root); 3191 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3192 lang_path, script_dirent->d_name); 3193 read_script_info(desc, script_path); 3194 free(script_root); 3195 } 3196 } 3197 } 3198 3199 fprintf(stdout, "List of available trace scripts:\n"); 3200 list_for_each_entry(desc, &script_descs, node) { 3201 sprintf(first_half, "%s %s", desc->name, 3202 desc->args ? desc->args : ""); 3203 fprintf(stdout, " %-36s %s\n", first_half, 3204 desc->half_liner ? desc->half_liner : ""); 3205 } 3206 3207 exit(0); 3208 } 3209 3210 static int add_dlarg(const struct option *opt __maybe_unused, 3211 const char *s, int unset __maybe_unused) 3212 { 3213 char *arg = strdup(s); 3214 void *a; 3215 3216 if (!arg) 3217 return -1; 3218 3219 a = realloc(dlargv, sizeof(dlargv[0]) * (dlargc + 1)); 3220 if (!a) { 3221 free(arg); 3222 return -1; 3223 } 3224 3225 dlargv = a; 3226 dlargv[dlargc++] = arg; 3227 3228 return 0; 3229 } 3230 3231 static void free_dlarg(void) 3232 { 3233 while (dlargc--) 3234 free(dlargv[dlargc]); 3235 free(dlargv); 3236 } 3237 3238 /* 3239 * Some scripts specify the required events in their "xxx-record" file, 3240 * this function will check if the events in perf.data match those 3241 * mentioned in the "xxx-record". 3242 * 3243 * Fixme: All existing "xxx-record" are all in good formats "-e event ", 3244 * which is covered well now. And new parsing code should be added to 3245 * cover the future complex formats like event groups etc. 3246 */ 3247 static int check_ev_match(char *dir_name, char *scriptname, 3248 struct perf_session *session) 3249 { 3250 char filename[MAXPATHLEN], evname[128]; 3251 char line[BUFSIZ], *p; 3252 struct evsel *pos; 3253 int match, len; 3254 FILE *fp; 3255 3256 scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname); 3257 3258 fp = fopen(filename, "r"); 3259 if (!fp) 3260 return -1; 3261 3262 while (fgets(line, sizeof(line), fp)) { 3263 p = skip_spaces(line); 3264 if (*p == '#') 3265 continue; 3266 3267 while (strlen(p)) { 3268 p = strstr(p, "-e"); 3269 if (!p) 3270 break; 3271 3272 p += 2; 3273 p = skip_spaces(p); 3274 len = strcspn(p, " \t"); 3275 if (!len) 3276 break; 3277 3278 snprintf(evname, len + 1, "%s", p); 3279 3280 match = 0; 3281 evlist__for_each_entry(session->evlist, pos) { 3282 if (!strcmp(evsel__name(pos), evname)) { 3283 match = 1; 3284 break; 3285 } 3286 } 3287 3288 if (!match) { 3289 fclose(fp); 3290 return -1; 3291 } 3292 } 3293 } 3294 3295 fclose(fp); 3296 return 0; 3297 } 3298 3299 /* 3300 * Return -1 if none is found, otherwise the actual scripts number. 3301 * 3302 * Currently the only user of this function is the script browser, which 3303 * will list all statically runnable scripts, select one, execute it and 3304 * show the output in a perf browser. 3305 */ 3306 int find_scripts(char **scripts_array, char **scripts_path_array, int num, 3307 int pathlen) 3308 { 3309 struct dirent *script_dirent, *lang_dirent; 3310 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; 3311 DIR *scripts_dir, *lang_dir; 3312 struct perf_session *session; 3313 struct perf_data data = { 3314 .path = input_name, 3315 .mode = PERF_DATA_MODE_READ, 3316 }; 3317 char *temp; 3318 int i = 0; 3319 3320 session = perf_session__new(&data, NULL); 3321 if (IS_ERR(session)) 3322 return PTR_ERR(session); 3323 3324 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3325 3326 scripts_dir = opendir(scripts_path); 3327 if (!scripts_dir) { 3328 perf_session__delete(session); 3329 return -1; 3330 } 3331 3332 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3333 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, 3334 lang_dirent->d_name); 3335 #ifndef HAVE_LIBPERL_SUPPORT 3336 if (strstr(lang_path, "perl")) 3337 continue; 3338 #endif 3339 #ifndef HAVE_LIBPYTHON_SUPPORT 3340 if (strstr(lang_path, "python")) 3341 continue; 3342 #endif 3343 3344 lang_dir = opendir(lang_path); 3345 if (!lang_dir) 3346 continue; 3347 3348 for_each_script(lang_path, lang_dir, script_dirent) { 3349 /* Skip those real time scripts: xxxtop.p[yl] */ 3350 if (strstr(script_dirent->d_name, "top.")) 3351 continue; 3352 if (i >= num) 3353 break; 3354 snprintf(scripts_path_array[i], pathlen, "%s/%s", 3355 lang_path, 3356 script_dirent->d_name); 3357 temp = strchr(script_dirent->d_name, '.'); 3358 snprintf(scripts_array[i], 3359 (temp - script_dirent->d_name) + 1, 3360 "%s", script_dirent->d_name); 3361 3362 if (check_ev_match(lang_path, 3363 scripts_array[i], session)) 3364 continue; 3365 3366 i++; 3367 } 3368 closedir(lang_dir); 3369 } 3370 3371 closedir(scripts_dir); 3372 perf_session__delete(session); 3373 return i; 3374 } 3375 3376 static char *get_script_path(const char *script_root, const char *suffix) 3377 { 3378 struct dirent *script_dirent, *lang_dirent; 3379 char scripts_path[MAXPATHLEN]; 3380 char script_path[MAXPATHLEN]; 3381 DIR *scripts_dir, *lang_dir; 3382 char lang_path[MAXPATHLEN]; 3383 char *__script_root; 3384 3385 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3386 3387 scripts_dir = opendir(scripts_path); 3388 if (!scripts_dir) 3389 return NULL; 3390 3391 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3392 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3393 lang_dirent->d_name); 3394 lang_dir = opendir(lang_path); 3395 if (!lang_dir) 3396 continue; 3397 3398 for_each_script(lang_path, lang_dir, script_dirent) { 3399 __script_root = get_script_root(script_dirent, suffix); 3400 if (__script_root && !strcmp(script_root, __script_root)) { 3401 free(__script_root); 3402 closedir(scripts_dir); 3403 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3404 lang_path, script_dirent->d_name); 3405 closedir(lang_dir); 3406 return strdup(script_path); 3407 } 3408 free(__script_root); 3409 } 3410 closedir(lang_dir); 3411 } 3412 closedir(scripts_dir); 3413 3414 return NULL; 3415 } 3416 3417 static bool is_top_script(const char *script_path) 3418 { 3419 return ends_with(script_path, "top") != NULL; 3420 } 3421 3422 static int has_required_arg(char *script_path) 3423 { 3424 struct script_desc *desc; 3425 int n_args = 0; 3426 char *p; 3427 3428 desc = script_desc__new(NULL); 3429 3430 if (read_script_info(desc, script_path)) 3431 goto out; 3432 3433 if (!desc->args) 3434 goto out; 3435 3436 for (p = desc->args; *p; p++) 3437 if (*p == '<') 3438 n_args++; 3439 out: 3440 script_desc__delete(desc); 3441 3442 return n_args; 3443 } 3444 3445 static int have_cmd(int argc, const char **argv) 3446 { 3447 char **__argv = malloc(sizeof(const char *) * argc); 3448 3449 if (!__argv) { 3450 pr_err("malloc failed\n"); 3451 return -1; 3452 } 3453 3454 memcpy(__argv, argv, sizeof(const char *) * argc); 3455 argc = parse_options(argc, (const char **)__argv, record_options, 3456 NULL, PARSE_OPT_STOP_AT_NON_OPTION); 3457 free(__argv); 3458 3459 system_wide = (argc == 0); 3460 3461 return 0; 3462 } 3463 3464 static void script__setup_sample_type(struct perf_script *script) 3465 { 3466 struct perf_session *session = script->session; 3467 u64 sample_type = evlist__combined_sample_type(session->evlist); 3468 3469 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) { 3470 if ((sample_type & PERF_SAMPLE_REGS_USER) && 3471 (sample_type & PERF_SAMPLE_STACK_USER)) { 3472 callchain_param.record_mode = CALLCHAIN_DWARF; 3473 dwarf_callchain_users = true; 3474 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK) 3475 callchain_param.record_mode = CALLCHAIN_LBR; 3476 else 3477 callchain_param.record_mode = CALLCHAIN_FP; 3478 } 3479 3480 if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) { 3481 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n" 3482 "Please apply --call-graph lbr when recording.\n"); 3483 script->stitch_lbr = false; 3484 } 3485 } 3486 3487 static int process_stat_round_event(struct perf_session *session, 3488 union perf_event *event) 3489 { 3490 struct perf_record_stat_round *round = &event->stat_round; 3491 struct evsel *counter; 3492 3493 evlist__for_each_entry(session->evlist, counter) { 3494 perf_stat_process_counter(&stat_config, counter); 3495 process_stat(counter, round->time); 3496 } 3497 3498 process_stat_interval(round->time); 3499 return 0; 3500 } 3501 3502 static int process_stat_config_event(struct perf_session *session __maybe_unused, 3503 union perf_event *event) 3504 { 3505 perf_event__read_stat_config(&stat_config, &event->stat_config); 3506 return 0; 3507 } 3508 3509 static int set_maps(struct perf_script *script) 3510 { 3511 struct evlist *evlist = script->session->evlist; 3512 3513 if (!script->cpus || !script->threads) 3514 return 0; 3515 3516 if (WARN_ONCE(script->allocated, "stats double allocation\n")) 3517 return -EINVAL; 3518 3519 perf_evlist__set_maps(&evlist->core, script->cpus, script->threads); 3520 3521 if (evlist__alloc_stats(evlist, true)) 3522 return -ENOMEM; 3523 3524 script->allocated = true; 3525 return 0; 3526 } 3527 3528 static 3529 int process_thread_map_event(struct perf_session *session, 3530 union perf_event *event) 3531 { 3532 struct perf_tool *tool = session->tool; 3533 struct perf_script *script = container_of(tool, struct perf_script, tool); 3534 3535 if (script->threads) { 3536 pr_warning("Extra thread map event, ignoring.\n"); 3537 return 0; 3538 } 3539 3540 script->threads = thread_map__new_event(&event->thread_map); 3541 if (!script->threads) 3542 return -ENOMEM; 3543 3544 return set_maps(script); 3545 } 3546 3547 static 3548 int process_cpu_map_event(struct perf_session *session, 3549 union perf_event *event) 3550 { 3551 struct perf_tool *tool = session->tool; 3552 struct perf_script *script = container_of(tool, struct perf_script, tool); 3553 3554 if (script->cpus) { 3555 pr_warning("Extra cpu map event, ignoring.\n"); 3556 return 0; 3557 } 3558 3559 script->cpus = cpu_map__new_data(&event->cpu_map.data); 3560 if (!script->cpus) 3561 return -ENOMEM; 3562 3563 return set_maps(script); 3564 } 3565 3566 static int process_feature_event(struct perf_session *session, 3567 union perf_event *event) 3568 { 3569 if (event->feat.feat_id < HEADER_LAST_FEATURE) 3570 return perf_event__process_feature(session, event); 3571 return 0; 3572 } 3573 3574 #ifdef HAVE_AUXTRACE_SUPPORT 3575 static int perf_script__process_auxtrace_info(struct perf_session *session, 3576 union perf_event *event) 3577 { 3578 struct perf_tool *tool = session->tool; 3579 3580 int ret = perf_event__process_auxtrace_info(session, event); 3581 3582 if (ret == 0) { 3583 struct perf_script *script = container_of(tool, struct perf_script, tool); 3584 3585 ret = perf_script__setup_per_event_dump(script); 3586 } 3587 3588 return ret; 3589 } 3590 #else 3591 #define perf_script__process_auxtrace_info 0 3592 #endif 3593 3594 static int parse_insn_trace(const struct option *opt __maybe_unused, 3595 const char *str __maybe_unused, 3596 int unset __maybe_unused) 3597 { 3598 parse_output_fields(NULL, "+insn,-event,-period", 0); 3599 itrace_parse_synth_opts(opt, "i0ns", 0); 3600 symbol_conf.nanosecs = true; 3601 return 0; 3602 } 3603 3604 static int parse_xed(const struct option *opt __maybe_unused, 3605 const char *str __maybe_unused, 3606 int unset __maybe_unused) 3607 { 3608 if (isatty(1)) 3609 force_pager("xed -F insn: -A -64 | less"); 3610 else 3611 force_pager("xed -F insn: -A -64"); 3612 return 0; 3613 } 3614 3615 static int parse_call_trace(const struct option *opt __maybe_unused, 3616 const char *str __maybe_unused, 3617 int unset __maybe_unused) 3618 { 3619 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0); 3620 itrace_parse_synth_opts(opt, "cewp", 0); 3621 symbol_conf.nanosecs = true; 3622 symbol_conf.pad_output_len_dso = 50; 3623 return 0; 3624 } 3625 3626 static int parse_callret_trace(const struct option *opt __maybe_unused, 3627 const char *str __maybe_unused, 3628 int unset __maybe_unused) 3629 { 3630 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0); 3631 itrace_parse_synth_opts(opt, "crewp", 0); 3632 symbol_conf.nanosecs = true; 3633 return 0; 3634 } 3635 3636 int cmd_script(int argc, const char **argv) 3637 { 3638 bool show_full_info = false; 3639 bool header = false; 3640 bool header_only = false; 3641 bool script_started = false; 3642 char *rec_script_path = NULL; 3643 char *rep_script_path = NULL; 3644 struct perf_session *session; 3645 struct itrace_synth_opts itrace_synth_opts = { 3646 .set = false, 3647 .default_no_sample = true, 3648 }; 3649 struct utsname uts; 3650 char *script_path = NULL; 3651 const char *dlfilter_file = NULL; 3652 const char **__argv; 3653 int i, j, err = 0; 3654 struct perf_script script = { 3655 .tool = { 3656 .sample = process_sample_event, 3657 .mmap = perf_event__process_mmap, 3658 .mmap2 = perf_event__process_mmap2, 3659 .comm = perf_event__process_comm, 3660 .namespaces = perf_event__process_namespaces, 3661 .cgroup = perf_event__process_cgroup, 3662 .exit = perf_event__process_exit, 3663 .fork = perf_event__process_fork, 3664 .attr = process_attr, 3665 .event_update = perf_event__process_event_update, 3666 .tracing_data = perf_event__process_tracing_data, 3667 .feature = process_feature_event, 3668 .build_id = perf_event__process_build_id, 3669 .id_index = perf_event__process_id_index, 3670 .auxtrace_info = perf_script__process_auxtrace_info, 3671 .auxtrace = perf_event__process_auxtrace, 3672 .auxtrace_error = perf_event__process_auxtrace_error, 3673 .stat = perf_event__process_stat_event, 3674 .stat_round = process_stat_round_event, 3675 .stat_config = process_stat_config_event, 3676 .thread_map = process_thread_map_event, 3677 .cpu_map = process_cpu_map_event, 3678 .throttle = process_throttle_event, 3679 .unthrottle = process_throttle_event, 3680 .ordered_events = true, 3681 .ordering_requires_timestamps = true, 3682 }, 3683 }; 3684 struct perf_data data = { 3685 .mode = PERF_DATA_MODE_READ, 3686 }; 3687 const struct option options[] = { 3688 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 3689 "dump raw trace in ASCII"), 3690 OPT_INCR('v', "verbose", &verbose, 3691 "be more verbose (show symbol address, etc)"), 3692 OPT_BOOLEAN('L', "Latency", &latency_format, 3693 "show latency attributes (irqs/preemption disabled, etc)"), 3694 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", 3695 list_available_scripts), 3696 OPT_CALLBACK_NOOPT(0, "list-dlfilters", NULL, NULL, "list available dlfilters", 3697 list_available_dlfilters), 3698 OPT_CALLBACK('s', "script", NULL, "name", 3699 "script file name (lang:script name, script name, or *)", 3700 parse_scriptname), 3701 OPT_STRING('g', "gen-script", &generate_script_lang, "lang", 3702 "generate perf-script.xx script in specified language"), 3703 OPT_STRING(0, "dlfilter", &dlfilter_file, "file", "filter .so file name"), 3704 OPT_CALLBACK(0, "dlarg", NULL, "argument", "filter argument", 3705 add_dlarg), 3706 OPT_STRING('i', "input", &input_name, "file", "input file name"), 3707 OPT_BOOLEAN('d', "debug-mode", &debug_mode, 3708 "do various checks like samples ordering and lost events"), 3709 OPT_BOOLEAN(0, "header", &header, "Show data header."), 3710 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."), 3711 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 3712 "file", "vmlinux pathname"), 3713 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 3714 "file", "kallsyms pathname"), 3715 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, 3716 "When printing symbols do not display call chain"), 3717 OPT_CALLBACK(0, "symfs", NULL, "directory", 3718 "Look for files with symbols relative to this directory", 3719 symbol__config_symfs), 3720 OPT_CALLBACK('F', "fields", NULL, "str", 3721 "comma separated output fields prepend with 'type:'. " 3722 "+field to add and -field to remove." 3723 "Valid types: hw,sw,trace,raw,synth. " 3724 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso," 3725 "addr,symoff,srcline,period,iregs,uregs,brstack," 3726 "brstacksym,flags,bpf-output,brstackinsn,brstackoff," 3727 "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc,tod," 3728 "data_page_size,code_page_size,ins_lat", 3729 parse_output_fields), 3730 OPT_BOOLEAN('a', "all-cpus", &system_wide, 3731 "system-wide collection from all CPUs"), 3732 OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", 3733 "only consider symbols in these DSOs"), 3734 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 3735 "only consider these symbols"), 3736 OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range, 3737 "Use with -S to list traced records within address range"), 3738 OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL, 3739 "Decode instructions from itrace", parse_insn_trace), 3740 OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL, 3741 "Run xed disassembler on output", parse_xed), 3742 OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL, 3743 "Decode calls from from itrace", parse_call_trace), 3744 OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL, 3745 "Decode calls and returns from itrace", parse_callret_trace), 3746 OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]", 3747 "Only print symbols and callees with --call-trace/--call-ret-trace"), 3748 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]", 3749 "Stop display of callgraph at these symbols"), 3750 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), 3751 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 3752 "only display events for these comms"), 3753 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 3754 "only consider symbols in these pids"), 3755 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 3756 "only consider symbols in these tids"), 3757 OPT_UINTEGER(0, "max-stack", &scripting_max_stack, 3758 "Set the maximum stack depth when parsing the callchain, " 3759 "anything beyond the specified depth will be ignored. " 3760 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 3761 OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"), 3762 OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"), 3763 OPT_BOOLEAN('I', "show-info", &show_full_info, 3764 "display extended information from perf.data file"), 3765 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, 3766 "Show the path of [kernel.kallsyms]"), 3767 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, 3768 "Show the fork/comm/exit events"), 3769 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, 3770 "Show the mmap events"), 3771 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events, 3772 "Show context switch events (if recorded)"), 3773 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events, 3774 "Show namespace events (if recorded)"), 3775 OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events, 3776 "Show cgroup events (if recorded)"), 3777 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events, 3778 "Show lost events (if recorded)"), 3779 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events, 3780 "Show round events (if recorded)"), 3781 OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events, 3782 "Show bpf related events (if recorded)"), 3783 OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events, 3784 "Show text poke related events (if recorded)"), 3785 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump, 3786 "Dump trace output to files named by the monitored events"), 3787 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 3788 OPT_INTEGER(0, "max-blocks", &max_blocks, 3789 "Maximum number of code blocks to dump with brstackinsn"), 3790 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, 3791 "Use 9 decimal places when displaying time"), 3792 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 3793 "Instruction Tracing options\n" ITRACE_HELP, 3794 itrace_parse_synth_opts), 3795 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 3796 "Show full source file name path for source lines"), 3797 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 3798 "Enable symbol demangling"), 3799 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 3800 "Enable kernel symbol demangling"), 3801 OPT_STRING(0, "time", &script.time_str, "str", 3802 "Time span of interest (start,stop)"), 3803 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 3804 "Show inline function"), 3805 OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory", 3806 "guest mount directory under which every guest os" 3807 " instance has a subdir"), 3808 OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name, 3809 "file", "file saving guest os vmlinux"), 3810 OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms, 3811 "file", "file saving guest os /proc/kallsyms"), 3812 OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules, 3813 "file", "file saving guest os /proc/modules"), 3814 OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr, 3815 "Enable LBR callgraph stitching approach"), 3816 OPTS_EVSWITCH(&script.evswitch), 3817 OPT_END() 3818 }; 3819 const char * const script_subcommands[] = { "record", "report", NULL }; 3820 const char *script_usage[] = { 3821 "perf script [<options>]", 3822 "perf script [<options>] record <script> [<record-options>] <command>", 3823 "perf script [<options>] report <script> [script-args]", 3824 "perf script [<options>] <script> [<record-options>] <command>", 3825 "perf script [<options>] <top-script> [script-args]", 3826 NULL 3827 }; 3828 3829 perf_set_singlethreaded(); 3830 3831 setup_scripting(); 3832 3833 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage, 3834 PARSE_OPT_STOP_AT_NON_OPTION); 3835 3836 if (symbol_conf.guestmount || 3837 symbol_conf.default_guest_vmlinux_name || 3838 symbol_conf.default_guest_kallsyms || 3839 symbol_conf.default_guest_modules) { 3840 /* 3841 * Enable guest sample processing. 3842 */ 3843 perf_guest = true; 3844 } 3845 3846 data.path = input_name; 3847 data.force = symbol_conf.force; 3848 3849 if (symbol__validate_sym_arguments()) 3850 return -1; 3851 3852 if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) { 3853 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); 3854 if (!rec_script_path) 3855 return cmd_record(argc, argv); 3856 } 3857 3858 if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) { 3859 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); 3860 if (!rep_script_path) { 3861 fprintf(stderr, 3862 "Please specify a valid report script" 3863 "(see 'perf script -l' for listing)\n"); 3864 return -1; 3865 } 3866 } 3867 3868 if (reltime && deltatime) { 3869 fprintf(stderr, 3870 "reltime and deltatime - the two don't get along well. " 3871 "Please limit to --reltime or --deltatime.\n"); 3872 return -1; 3873 } 3874 3875 if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) && 3876 itrace_synth_opts.callchain_sz > scripting_max_stack) 3877 scripting_max_stack = itrace_synth_opts.callchain_sz; 3878 3879 /* make sure PERF_EXEC_PATH is set for scripts */ 3880 set_argv_exec_path(get_argv_exec_path()); 3881 3882 if (argc && !script_name && !rec_script_path && !rep_script_path) { 3883 int live_pipe[2]; 3884 int rep_args; 3885 pid_t pid; 3886 3887 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); 3888 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); 3889 3890 if (!rec_script_path && !rep_script_path) { 3891 script_name = find_script(argv[0]); 3892 if (script_name) { 3893 argc -= 1; 3894 argv += 1; 3895 goto script_found; 3896 } 3897 usage_with_options_msg(script_usage, options, 3898 "Couldn't find script `%s'\n\n See perf" 3899 " script -l for available scripts.\n", argv[0]); 3900 } 3901 3902 if (is_top_script(argv[0])) { 3903 rep_args = argc - 1; 3904 } else { 3905 int rec_args; 3906 3907 rep_args = has_required_arg(rep_script_path); 3908 rec_args = (argc - 1) - rep_args; 3909 if (rec_args < 0) { 3910 usage_with_options_msg(script_usage, options, 3911 "`%s' script requires options." 3912 "\n\n See perf script -l for available " 3913 "scripts and options.\n", argv[0]); 3914 } 3915 } 3916 3917 if (pipe(live_pipe) < 0) { 3918 perror("failed to create pipe"); 3919 return -1; 3920 } 3921 3922 pid = fork(); 3923 if (pid < 0) { 3924 perror("failed to fork"); 3925 return -1; 3926 } 3927 3928 if (!pid) { 3929 j = 0; 3930 3931 dup2(live_pipe[1], 1); 3932 close(live_pipe[0]); 3933 3934 if (is_top_script(argv[0])) { 3935 system_wide = true; 3936 } else if (!system_wide) { 3937 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { 3938 err = -1; 3939 goto out; 3940 } 3941 } 3942 3943 __argv = malloc((argc + 6) * sizeof(const char *)); 3944 if (!__argv) { 3945 pr_err("malloc failed\n"); 3946 err = -ENOMEM; 3947 goto out; 3948 } 3949 3950 __argv[j++] = "/bin/sh"; 3951 __argv[j++] = rec_script_path; 3952 if (system_wide) 3953 __argv[j++] = "-a"; 3954 __argv[j++] = "-q"; 3955 __argv[j++] = "-o"; 3956 __argv[j++] = "-"; 3957 for (i = rep_args + 1; i < argc; i++) 3958 __argv[j++] = argv[i]; 3959 __argv[j++] = NULL; 3960 3961 execvp("/bin/sh", (char **)__argv); 3962 free(__argv); 3963 exit(-1); 3964 } 3965 3966 dup2(live_pipe[0], 0); 3967 close(live_pipe[1]); 3968 3969 __argv = malloc((argc + 4) * sizeof(const char *)); 3970 if (!__argv) { 3971 pr_err("malloc failed\n"); 3972 err = -ENOMEM; 3973 goto out; 3974 } 3975 3976 j = 0; 3977 __argv[j++] = "/bin/sh"; 3978 __argv[j++] = rep_script_path; 3979 for (i = 1; i < rep_args + 1; i++) 3980 __argv[j++] = argv[i]; 3981 __argv[j++] = "-i"; 3982 __argv[j++] = "-"; 3983 __argv[j++] = NULL; 3984 3985 execvp("/bin/sh", (char **)__argv); 3986 free(__argv); 3987 exit(-1); 3988 } 3989 script_found: 3990 if (rec_script_path) 3991 script_path = rec_script_path; 3992 if (rep_script_path) 3993 script_path = rep_script_path; 3994 3995 if (script_path) { 3996 j = 0; 3997 3998 if (!rec_script_path) 3999 system_wide = false; 4000 else if (!system_wide) { 4001 if (have_cmd(argc - 1, &argv[1]) != 0) { 4002 err = -1; 4003 goto out; 4004 } 4005 } 4006 4007 __argv = malloc((argc + 2) * sizeof(const char *)); 4008 if (!__argv) { 4009 pr_err("malloc failed\n"); 4010 err = -ENOMEM; 4011 goto out; 4012 } 4013 4014 __argv[j++] = "/bin/sh"; 4015 __argv[j++] = script_path; 4016 if (system_wide) 4017 __argv[j++] = "-a"; 4018 for (i = 2; i < argc; i++) 4019 __argv[j++] = argv[i]; 4020 __argv[j++] = NULL; 4021 4022 execvp("/bin/sh", (char **)__argv); 4023 free(__argv); 4024 exit(-1); 4025 } 4026 4027 if (dlfilter_file) { 4028 dlfilter = dlfilter__new(dlfilter_file, dlargc, dlargv); 4029 if (!dlfilter) 4030 return -1; 4031 } 4032 4033 if (!script_name) { 4034 setup_pager(); 4035 use_browser = 0; 4036 } 4037 4038 session = perf_session__new(&data, &script.tool); 4039 if (IS_ERR(session)) 4040 return PTR_ERR(session); 4041 4042 if (header || header_only) { 4043 script.tool.show_feat_hdr = SHOW_FEAT_HEADER; 4044 perf_session__fprintf_info(session, stdout, show_full_info); 4045 if (header_only) 4046 goto out_delete; 4047 } 4048 if (show_full_info) 4049 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 4050 4051 if (symbol__init(&session->header.env) < 0) 4052 goto out_delete; 4053 4054 uname(&uts); 4055 if (data.is_pipe) { /* Assume pipe_mode indicates native_arch */ 4056 native_arch = true; 4057 } else if (session->header.env.arch) { 4058 if (!strcmp(uts.machine, session->header.env.arch)) 4059 native_arch = true; 4060 else if (!strcmp(uts.machine, "x86_64") && 4061 !strcmp(session->header.env.arch, "i386")) 4062 native_arch = true; 4063 } 4064 4065 script.session = session; 4066 script__setup_sample_type(&script); 4067 4068 if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) || 4069 symbol_conf.graph_function) 4070 itrace_synth_opts.thread_stack = true; 4071 4072 session->itrace_synth_opts = &itrace_synth_opts; 4073 4074 if (cpu_list) { 4075 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap); 4076 if (err < 0) 4077 goto out_delete; 4078 itrace_synth_opts.cpu_bitmap = cpu_bitmap; 4079 } 4080 4081 if (!no_callchain) 4082 symbol_conf.use_callchain = true; 4083 else 4084 symbol_conf.use_callchain = false; 4085 4086 if (session->tevent.pevent && 4087 tep_set_function_resolver(session->tevent.pevent, 4088 machine__resolve_kernel_addr, 4089 &session->machines.host) < 0) { 4090 pr_err("%s: failed to set libtraceevent function resolver\n", __func__); 4091 err = -1; 4092 goto out_delete; 4093 } 4094 4095 if (generate_script_lang) { 4096 struct stat perf_stat; 4097 int input; 4098 4099 if (output_set_by_user()) { 4100 fprintf(stderr, 4101 "custom fields not supported for generated scripts"); 4102 err = -EINVAL; 4103 goto out_delete; 4104 } 4105 4106 input = open(data.path, O_RDONLY); /* input_name */ 4107 if (input < 0) { 4108 err = -errno; 4109 perror("failed to open file"); 4110 goto out_delete; 4111 } 4112 4113 err = fstat(input, &perf_stat); 4114 if (err < 0) { 4115 perror("failed to stat file"); 4116 goto out_delete; 4117 } 4118 4119 if (!perf_stat.st_size) { 4120 fprintf(stderr, "zero-sized file, nothing to do!\n"); 4121 goto out_delete; 4122 } 4123 4124 scripting_ops = script_spec__lookup(generate_script_lang); 4125 if (!scripting_ops) { 4126 fprintf(stderr, "invalid language specifier"); 4127 err = -ENOENT; 4128 goto out_delete; 4129 } 4130 4131 err = scripting_ops->generate_script(session->tevent.pevent, 4132 "perf-script"); 4133 goto out_delete; 4134 } 4135 4136 err = dlfilter__start(dlfilter, session); 4137 if (err) 4138 goto out_delete; 4139 4140 if (script_name) { 4141 err = scripting_ops->start_script(script_name, argc, argv, session); 4142 if (err) 4143 goto out_delete; 4144 pr_debug("perf script started with script %s\n\n", script_name); 4145 script_started = true; 4146 } 4147 4148 4149 err = perf_session__check_output_opt(session); 4150 if (err < 0) 4151 goto out_delete; 4152 4153 if (script.time_str) { 4154 err = perf_time__parse_for_ranges_reltime(script.time_str, session, 4155 &script.ptime_range, 4156 &script.range_size, 4157 &script.range_num, 4158 reltime); 4159 if (err < 0) 4160 goto out_delete; 4161 4162 itrace_synth_opts__set_time_range(&itrace_synth_opts, 4163 script.ptime_range, 4164 script.range_num); 4165 } 4166 4167 err = evswitch__init(&script.evswitch, session->evlist, stderr); 4168 if (err) 4169 goto out_delete; 4170 4171 if (zstd_init(&(session->zstd_data), 0) < 0) 4172 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n"); 4173 4174 err = __cmd_script(&script); 4175 4176 flush_scripting(); 4177 4178 out_delete: 4179 if (script.ptime_range) { 4180 itrace_synth_opts__clear_time_range(&itrace_synth_opts); 4181 zfree(&script.ptime_range); 4182 } 4183 4184 zstd_fini(&(session->zstd_data)); 4185 evlist__free_stats(session->evlist); 4186 perf_session__delete(session); 4187 perf_script__exit(&script); 4188 4189 if (script_started) 4190 cleanup_scripting(); 4191 dlfilter__cleanup(dlfilter); 4192 free_dlarg(); 4193 out: 4194 return err; 4195 } 4196