1 // SPDX-License-Identifier: GPL-2.0 2 #include "builtin.h" 3 4 #include "util/counts.h" 5 #include "util/debug.h" 6 #include "util/dso.h" 7 #include <subcmd/exec-cmd.h> 8 #include "util/header.h" 9 #include <subcmd/parse-options.h> 10 #include "util/perf_regs.h" 11 #include "util/session.h" 12 #include "util/tool.h" 13 #include "util/map.h" 14 #include "util/srcline.h" 15 #include "util/symbol.h" 16 #include "util/thread.h" 17 #include "util/trace-event.h" 18 #include "util/env.h" 19 #include "util/evlist.h" 20 #include "util/evsel.h" 21 #include "util/evsel_fprintf.h" 22 #include "util/evswitch.h" 23 #include "util/sort.h" 24 #include "util/data.h" 25 #include "util/auxtrace.h" 26 #include "util/cpumap.h" 27 #include "util/thread_map.h" 28 #include "util/stat.h" 29 #include "util/color.h" 30 #include "util/string2.h" 31 #include "util/thread-stack.h" 32 #include "util/time-utils.h" 33 #include "util/path.h" 34 #include "util/event.h" 35 #include "ui/ui.h" 36 #include "print_binary.h" 37 #include "archinsn.h" 38 #include <linux/bitmap.h> 39 #include <linux/kernel.h> 40 #include <linux/stringify.h> 41 #include <linux/time64.h> 42 #include <linux/zalloc.h> 43 #include <sys/utsname.h> 44 #include "asm/bug.h" 45 #include "util/mem-events.h" 46 #include "util/dump-insn.h" 47 #include <dirent.h> 48 #include <errno.h> 49 #include <inttypes.h> 50 #include <signal.h> 51 #include <sys/param.h> 52 #include <sys/types.h> 53 #include <sys/stat.h> 54 #include <fcntl.h> 55 #include <unistd.h> 56 #include <subcmd/pager.h> 57 #include <perf/evlist.h> 58 #include <linux/err.h> 59 #include "util/dlfilter.h" 60 #include "util/record.h" 61 #include "util/util.h" 62 #include "perf.h" 63 64 #include <linux/ctype.h> 65 66 static char const *script_name; 67 static char const *generate_script_lang; 68 static bool reltime; 69 static bool deltatime; 70 static u64 initial_time; 71 static u64 previous_time; 72 static bool debug_mode; 73 static u64 last_timestamp; 74 static u64 nr_unordered; 75 static bool no_callchain; 76 static bool latency_format; 77 static bool system_wide; 78 static bool print_flags; 79 static const char *cpu_list; 80 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); 81 static struct perf_stat_config stat_config; 82 static int max_blocks; 83 static bool native_arch; 84 static struct dlfilter *dlfilter; 85 static int dlargc; 86 static char **dlargv; 87 88 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH; 89 90 enum perf_output_field { 91 PERF_OUTPUT_COMM = 1ULL << 0, 92 PERF_OUTPUT_TID = 1ULL << 1, 93 PERF_OUTPUT_PID = 1ULL << 2, 94 PERF_OUTPUT_TIME = 1ULL << 3, 95 PERF_OUTPUT_CPU = 1ULL << 4, 96 PERF_OUTPUT_EVNAME = 1ULL << 5, 97 PERF_OUTPUT_TRACE = 1ULL << 6, 98 PERF_OUTPUT_IP = 1ULL << 7, 99 PERF_OUTPUT_SYM = 1ULL << 8, 100 PERF_OUTPUT_DSO = 1ULL << 9, 101 PERF_OUTPUT_ADDR = 1ULL << 10, 102 PERF_OUTPUT_SYMOFFSET = 1ULL << 11, 103 PERF_OUTPUT_SRCLINE = 1ULL << 12, 104 PERF_OUTPUT_PERIOD = 1ULL << 13, 105 PERF_OUTPUT_IREGS = 1ULL << 14, 106 PERF_OUTPUT_BRSTACK = 1ULL << 15, 107 PERF_OUTPUT_BRSTACKSYM = 1ULL << 16, 108 PERF_OUTPUT_DATA_SRC = 1ULL << 17, 109 PERF_OUTPUT_WEIGHT = 1ULL << 18, 110 PERF_OUTPUT_BPF_OUTPUT = 1ULL << 19, 111 PERF_OUTPUT_CALLINDENT = 1ULL << 20, 112 PERF_OUTPUT_INSN = 1ULL << 21, 113 PERF_OUTPUT_INSNLEN = 1ULL << 22, 114 PERF_OUTPUT_BRSTACKINSN = 1ULL << 23, 115 PERF_OUTPUT_BRSTACKOFF = 1ULL << 24, 116 PERF_OUTPUT_SYNTH = 1ULL << 25, 117 PERF_OUTPUT_PHYS_ADDR = 1ULL << 26, 118 PERF_OUTPUT_UREGS = 1ULL << 27, 119 PERF_OUTPUT_METRIC = 1ULL << 28, 120 PERF_OUTPUT_MISC = 1ULL << 29, 121 PERF_OUTPUT_SRCCODE = 1ULL << 30, 122 PERF_OUTPUT_IPC = 1ULL << 31, 123 PERF_OUTPUT_TOD = 1ULL << 32, 124 PERF_OUTPUT_DATA_PAGE_SIZE = 1ULL << 33, 125 PERF_OUTPUT_CODE_PAGE_SIZE = 1ULL << 34, 126 PERF_OUTPUT_INS_LAT = 1ULL << 35, 127 PERF_OUTPUT_BRSTACKINSNLEN = 1ULL << 36, 128 }; 129 130 struct perf_script { 131 struct perf_tool tool; 132 struct perf_session *session; 133 bool show_task_events; 134 bool show_mmap_events; 135 bool show_switch_events; 136 bool show_namespace_events; 137 bool show_lost_events; 138 bool show_round_events; 139 bool show_bpf_events; 140 bool show_cgroup_events; 141 bool show_text_poke_events; 142 bool allocated; 143 bool per_event_dump; 144 bool stitch_lbr; 145 struct evswitch evswitch; 146 struct perf_cpu_map *cpus; 147 struct perf_thread_map *threads; 148 int name_width; 149 const char *time_str; 150 struct perf_time_interval *ptime_range; 151 int range_size; 152 int range_num; 153 }; 154 155 struct output_option { 156 const char *str; 157 enum perf_output_field field; 158 } all_output_options[] = { 159 {.str = "comm", .field = PERF_OUTPUT_COMM}, 160 {.str = "tid", .field = PERF_OUTPUT_TID}, 161 {.str = "pid", .field = PERF_OUTPUT_PID}, 162 {.str = "time", .field = PERF_OUTPUT_TIME}, 163 {.str = "cpu", .field = PERF_OUTPUT_CPU}, 164 {.str = "event", .field = PERF_OUTPUT_EVNAME}, 165 {.str = "trace", .field = PERF_OUTPUT_TRACE}, 166 {.str = "ip", .field = PERF_OUTPUT_IP}, 167 {.str = "sym", .field = PERF_OUTPUT_SYM}, 168 {.str = "dso", .field = PERF_OUTPUT_DSO}, 169 {.str = "addr", .field = PERF_OUTPUT_ADDR}, 170 {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET}, 171 {.str = "srcline", .field = PERF_OUTPUT_SRCLINE}, 172 {.str = "period", .field = PERF_OUTPUT_PERIOD}, 173 {.str = "iregs", .field = PERF_OUTPUT_IREGS}, 174 {.str = "uregs", .field = PERF_OUTPUT_UREGS}, 175 {.str = "brstack", .field = PERF_OUTPUT_BRSTACK}, 176 {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM}, 177 {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC}, 178 {.str = "weight", .field = PERF_OUTPUT_WEIGHT}, 179 {.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT}, 180 {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT}, 181 {.str = "insn", .field = PERF_OUTPUT_INSN}, 182 {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN}, 183 {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN}, 184 {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF}, 185 {.str = "synth", .field = PERF_OUTPUT_SYNTH}, 186 {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR}, 187 {.str = "metric", .field = PERF_OUTPUT_METRIC}, 188 {.str = "misc", .field = PERF_OUTPUT_MISC}, 189 {.str = "srccode", .field = PERF_OUTPUT_SRCCODE}, 190 {.str = "ipc", .field = PERF_OUTPUT_IPC}, 191 {.str = "tod", .field = PERF_OUTPUT_TOD}, 192 {.str = "data_page_size", .field = PERF_OUTPUT_DATA_PAGE_SIZE}, 193 {.str = "code_page_size", .field = PERF_OUTPUT_CODE_PAGE_SIZE}, 194 {.str = "ins_lat", .field = PERF_OUTPUT_INS_LAT}, 195 {.str = "brstackinsnlen", .field = PERF_OUTPUT_BRSTACKINSNLEN}, 196 }; 197 198 enum { 199 OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX, 200 OUTPUT_TYPE_OTHER, 201 OUTPUT_TYPE_MAX 202 }; 203 204 /* default set to maintain compatibility with current format */ 205 static struct { 206 bool user_set; 207 bool wildcard_set; 208 unsigned int print_ip_opts; 209 u64 fields; 210 u64 invalid_fields; 211 u64 user_set_fields; 212 u64 user_unset_fields; 213 } output[OUTPUT_TYPE_MAX] = { 214 215 [PERF_TYPE_HARDWARE] = { 216 .user_set = false, 217 218 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 219 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 220 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 221 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 222 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 223 224 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 225 }, 226 227 [PERF_TYPE_SOFTWARE] = { 228 .user_set = false, 229 230 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 231 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 232 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 233 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 234 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 235 PERF_OUTPUT_BPF_OUTPUT, 236 237 .invalid_fields = PERF_OUTPUT_TRACE, 238 }, 239 240 [PERF_TYPE_TRACEPOINT] = { 241 .user_set = false, 242 243 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 244 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 245 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE 246 }, 247 248 [PERF_TYPE_HW_CACHE] = { 249 .user_set = false, 250 251 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 252 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 253 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 254 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 255 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 256 257 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 258 }, 259 260 [PERF_TYPE_RAW] = { 261 .user_set = false, 262 263 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 264 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 265 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 266 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 267 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 268 PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC | 269 PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR | 270 PERF_OUTPUT_DATA_PAGE_SIZE | PERF_OUTPUT_CODE_PAGE_SIZE | 271 PERF_OUTPUT_INS_LAT, 272 273 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 274 }, 275 276 [PERF_TYPE_BREAKPOINT] = { 277 .user_set = false, 278 279 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 280 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 281 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 282 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 283 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 284 285 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 286 }, 287 288 [OUTPUT_TYPE_SYNTH] = { 289 .user_set = false, 290 291 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 292 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 293 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 294 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 295 PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH, 296 297 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 298 }, 299 300 [OUTPUT_TYPE_OTHER] = { 301 .user_set = false, 302 303 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 304 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 305 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 306 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 307 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 308 309 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 310 }, 311 }; 312 313 struct evsel_script { 314 char *filename; 315 FILE *fp; 316 u64 samples; 317 /* For metric output */ 318 u64 val; 319 int gnum; 320 }; 321 322 static inline struct evsel_script *evsel_script(struct evsel *evsel) 323 { 324 return (struct evsel_script *)evsel->priv; 325 } 326 327 static struct evsel_script *evsel_script__new(struct evsel *evsel, struct perf_data *data) 328 { 329 struct evsel_script *es = zalloc(sizeof(*es)); 330 331 if (es != NULL) { 332 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0) 333 goto out_free; 334 es->fp = fopen(es->filename, "w"); 335 if (es->fp == NULL) 336 goto out_free_filename; 337 } 338 339 return es; 340 out_free_filename: 341 zfree(&es->filename); 342 out_free: 343 free(es); 344 return NULL; 345 } 346 347 static void evsel_script__delete(struct evsel_script *es) 348 { 349 zfree(&es->filename); 350 fclose(es->fp); 351 es->fp = NULL; 352 free(es); 353 } 354 355 static int evsel_script__fprintf(struct evsel_script *es, FILE *fp) 356 { 357 struct stat st; 358 359 fstat(fileno(es->fp), &st); 360 return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n", 361 st.st_size / 1024.0 / 1024.0, es->filename, es->samples); 362 } 363 364 static inline int output_type(unsigned int type) 365 { 366 switch (type) { 367 case PERF_TYPE_SYNTH: 368 return OUTPUT_TYPE_SYNTH; 369 default: 370 if (type < PERF_TYPE_MAX) 371 return type; 372 } 373 374 return OUTPUT_TYPE_OTHER; 375 } 376 377 static bool output_set_by_user(void) 378 { 379 int j; 380 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 381 if (output[j].user_set) 382 return true; 383 } 384 return false; 385 } 386 387 static const char *output_field2str(enum perf_output_field field) 388 { 389 int i, imax = ARRAY_SIZE(all_output_options); 390 const char *str = ""; 391 392 for (i = 0; i < imax; ++i) { 393 if (all_output_options[i].field == field) { 394 str = all_output_options[i].str; 395 break; 396 } 397 } 398 return str; 399 } 400 401 #define PRINT_FIELD(x) (output[output_type(attr->type)].fields & PERF_OUTPUT_##x) 402 403 static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg, 404 enum perf_output_field field, bool allow_user_set) 405 { 406 struct perf_event_attr *attr = &evsel->core.attr; 407 int type = output_type(attr->type); 408 const char *evname; 409 410 if (attr->sample_type & sample_type) 411 return 0; 412 413 if (output[type].user_set_fields & field) { 414 if (allow_user_set) 415 return 0; 416 evname = evsel__name(evsel); 417 pr_err("Samples for '%s' event do not have %s attribute set. " 418 "Cannot print '%s' field.\n", 419 evname, sample_msg, output_field2str(field)); 420 return -1; 421 } 422 423 /* user did not ask for it explicitly so remove from the default list */ 424 output[type].fields &= ~field; 425 evname = evsel__name(evsel); 426 pr_debug("Samples for '%s' event do not have %s attribute set. " 427 "Skipping '%s' field.\n", 428 evname, sample_msg, output_field2str(field)); 429 430 return 0; 431 } 432 433 static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg, 434 enum perf_output_field field) 435 { 436 return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false); 437 } 438 439 static int evsel__check_attr(struct evsel *evsel, struct perf_session *session) 440 { 441 struct perf_event_attr *attr = &evsel->core.attr; 442 bool allow_user_set; 443 444 if (perf_header__has_feat(&session->header, HEADER_STAT)) 445 return 0; 446 447 allow_user_set = perf_header__has_feat(&session->header, 448 HEADER_AUXTRACE); 449 450 if (PRINT_FIELD(TRACE) && 451 !perf_session__has_traces(session, "record -R")) 452 return -EINVAL; 453 454 if (PRINT_FIELD(IP)) { 455 if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP)) 456 return -EINVAL; 457 } 458 459 if (PRINT_FIELD(ADDR) && 460 evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set)) 461 return -EINVAL; 462 463 if (PRINT_FIELD(DATA_SRC) && 464 evsel__do_check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC, allow_user_set)) 465 return -EINVAL; 466 467 if (PRINT_FIELD(WEIGHT) && 468 evsel__do_check_stype(evsel, PERF_SAMPLE_WEIGHT_TYPE, "WEIGHT", PERF_OUTPUT_WEIGHT, allow_user_set)) 469 return -EINVAL; 470 471 if (PRINT_FIELD(SYM) && 472 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 473 pr_err("Display of symbols requested but neither sample IP nor " 474 "sample address\navailable. Hence, no addresses to convert " 475 "to symbols.\n"); 476 return -EINVAL; 477 } 478 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) { 479 pr_err("Display of offsets requested but symbol is not" 480 "selected.\n"); 481 return -EINVAL; 482 } 483 if (PRINT_FIELD(DSO) && 484 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 485 pr_err("Display of DSO requested but no address to convert.\n"); 486 return -EINVAL; 487 } 488 if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) { 489 pr_err("Display of source line number requested but sample IP is not\n" 490 "selected. Hence, no address to lookup the source line number.\n"); 491 return -EINVAL; 492 } 493 if ((PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN)) && !allow_user_set && 494 !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) { 495 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n" 496 "Hint: run 'perf record -b ...'\n"); 497 return -EINVAL; 498 } 499 if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) && 500 evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID)) 501 return -EINVAL; 502 503 if (PRINT_FIELD(TIME) && 504 evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME)) 505 return -EINVAL; 506 507 if (PRINT_FIELD(CPU) && 508 evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set)) 509 return -EINVAL; 510 511 if (PRINT_FIELD(IREGS) && 512 evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set)) 513 return -EINVAL; 514 515 if (PRINT_FIELD(UREGS) && 516 evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS)) 517 return -EINVAL; 518 519 if (PRINT_FIELD(PHYS_ADDR) && 520 evsel__do_check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR, allow_user_set)) 521 return -EINVAL; 522 523 if (PRINT_FIELD(DATA_PAGE_SIZE) && 524 evsel__check_stype(evsel, PERF_SAMPLE_DATA_PAGE_SIZE, "DATA_PAGE_SIZE", PERF_OUTPUT_DATA_PAGE_SIZE)) 525 return -EINVAL; 526 527 if (PRINT_FIELD(CODE_PAGE_SIZE) && 528 evsel__check_stype(evsel, PERF_SAMPLE_CODE_PAGE_SIZE, "CODE_PAGE_SIZE", PERF_OUTPUT_CODE_PAGE_SIZE)) 529 return -EINVAL; 530 531 if (PRINT_FIELD(INS_LAT) && 532 evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_INS_LAT)) 533 return -EINVAL; 534 535 return 0; 536 } 537 538 static void set_print_ip_opts(struct perf_event_attr *attr) 539 { 540 unsigned int type = output_type(attr->type); 541 542 output[type].print_ip_opts = 0; 543 if (PRINT_FIELD(IP)) 544 output[type].print_ip_opts |= EVSEL__PRINT_IP; 545 546 if (PRINT_FIELD(SYM)) 547 output[type].print_ip_opts |= EVSEL__PRINT_SYM; 548 549 if (PRINT_FIELD(DSO)) 550 output[type].print_ip_opts |= EVSEL__PRINT_DSO; 551 552 if (PRINT_FIELD(SYMOFFSET)) 553 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET; 554 555 if (PRINT_FIELD(SRCLINE)) 556 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE; 557 } 558 559 static struct evsel *find_first_output_type(struct evlist *evlist, 560 unsigned int type) 561 { 562 struct evsel *evsel; 563 564 evlist__for_each_entry(evlist, evsel) { 565 if (output_type(evsel->core.attr.type) == (int)type) 566 return evsel; 567 } 568 return NULL; 569 } 570 571 /* 572 * verify all user requested events exist and the samples 573 * have the expected data 574 */ 575 static int perf_session__check_output_opt(struct perf_session *session) 576 { 577 bool tod = false; 578 unsigned int j; 579 struct evsel *evsel; 580 581 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 582 evsel = find_first_output_type(session->evlist, j); 583 584 /* 585 * even if fields is set to 0 (ie., show nothing) event must 586 * exist if user explicitly includes it on the command line 587 */ 588 if (!evsel && output[j].user_set && !output[j].wildcard_set && 589 j != OUTPUT_TYPE_SYNTH) { 590 pr_err("%s events do not exist. " 591 "Remove corresponding -F option to proceed.\n", 592 event_type(j)); 593 return -1; 594 } 595 596 if (evsel && output[j].fields && 597 evsel__check_attr(evsel, session)) 598 return -1; 599 600 if (evsel == NULL) 601 continue; 602 603 set_print_ip_opts(&evsel->core.attr); 604 tod |= output[j].fields & PERF_OUTPUT_TOD; 605 } 606 607 if (!no_callchain) { 608 bool use_callchain = false; 609 bool not_pipe = false; 610 611 evlist__for_each_entry(session->evlist, evsel) { 612 not_pipe = true; 613 if (evsel__has_callchain(evsel)) { 614 use_callchain = true; 615 break; 616 } 617 } 618 if (not_pipe && !use_callchain) 619 symbol_conf.use_callchain = false; 620 } 621 622 /* 623 * set default for tracepoints to print symbols only 624 * if callchains are present 625 */ 626 if (symbol_conf.use_callchain && 627 !output[PERF_TYPE_TRACEPOINT].user_set) { 628 j = PERF_TYPE_TRACEPOINT; 629 630 evlist__for_each_entry(session->evlist, evsel) { 631 if (evsel->core.attr.type != j) 632 continue; 633 634 if (evsel__has_callchain(evsel)) { 635 output[j].fields |= PERF_OUTPUT_IP; 636 output[j].fields |= PERF_OUTPUT_SYM; 637 output[j].fields |= PERF_OUTPUT_SYMOFFSET; 638 output[j].fields |= PERF_OUTPUT_DSO; 639 set_print_ip_opts(&evsel->core.attr); 640 goto out; 641 } 642 } 643 } 644 645 if (tod && !session->header.env.clock.enabled) { 646 pr_err("Can't provide 'tod' time, missing clock data. " 647 "Please record with -k/--clockid option.\n"); 648 return -1; 649 } 650 out: 651 return 0; 652 } 653 654 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask, const char *arch, 655 FILE *fp) 656 { 657 unsigned i = 0, r; 658 int printed = 0; 659 660 if (!regs || !regs->regs) 661 return 0; 662 663 printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi); 664 665 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) { 666 u64 val = regs->regs[i++]; 667 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r, arch), val); 668 } 669 670 return printed; 671 } 672 673 #define DEFAULT_TOD_FMT "%F %H:%M:%S" 674 675 static char* 676 tod_scnprintf(struct perf_script *script, char *buf, int buflen, 677 u64 timestamp) 678 { 679 u64 tod_ns, clockid_ns; 680 struct perf_env *env; 681 unsigned long nsec; 682 struct tm ltime; 683 char date[64]; 684 time_t sec; 685 686 buf[0] = '\0'; 687 if (buflen < 64 || !script) 688 return buf; 689 690 env = &script->session->header.env; 691 if (!env->clock.enabled) { 692 scnprintf(buf, buflen, "disabled"); 693 return buf; 694 } 695 696 clockid_ns = env->clock.clockid_ns; 697 tod_ns = env->clock.tod_ns; 698 699 if (timestamp > clockid_ns) 700 tod_ns += timestamp - clockid_ns; 701 else 702 tod_ns -= clockid_ns - timestamp; 703 704 sec = (time_t) (tod_ns / NSEC_PER_SEC); 705 nsec = tod_ns - sec * NSEC_PER_SEC; 706 707 if (localtime_r(&sec, <ime) == NULL) { 708 scnprintf(buf, buflen, "failed"); 709 } else { 710 strftime(date, sizeof(date), DEFAULT_TOD_FMT, <ime); 711 712 if (symbol_conf.nanosecs) { 713 snprintf(buf, buflen, "%s.%09lu", date, nsec); 714 } else { 715 snprintf(buf, buflen, "%s.%06lu", 716 date, nsec / NSEC_PER_USEC); 717 } 718 } 719 720 return buf; 721 } 722 723 static int perf_sample__fprintf_iregs(struct perf_sample *sample, 724 struct perf_event_attr *attr, const char *arch, FILE *fp) 725 { 726 return perf_sample__fprintf_regs(&sample->intr_regs, 727 attr->sample_regs_intr, arch, fp); 728 } 729 730 static int perf_sample__fprintf_uregs(struct perf_sample *sample, 731 struct perf_event_attr *attr, const char *arch, FILE *fp) 732 { 733 return perf_sample__fprintf_regs(&sample->user_regs, 734 attr->sample_regs_user, arch, fp); 735 } 736 737 static int perf_sample__fprintf_start(struct perf_script *script, 738 struct perf_sample *sample, 739 struct thread *thread, 740 struct evsel *evsel, 741 u32 type, FILE *fp) 742 { 743 struct perf_event_attr *attr = &evsel->core.attr; 744 unsigned long secs; 745 unsigned long long nsecs; 746 int printed = 0; 747 char tstr[128]; 748 749 if (PRINT_FIELD(COMM)) { 750 const char *comm = thread ? thread__comm_str(thread) : ":-1"; 751 752 if (latency_format) 753 printed += fprintf(fp, "%8.8s ", comm); 754 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain) 755 printed += fprintf(fp, "%s ", comm); 756 else 757 printed += fprintf(fp, "%16s ", comm); 758 } 759 760 if (PRINT_FIELD(PID) && PRINT_FIELD(TID)) 761 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid); 762 else if (PRINT_FIELD(PID)) 763 printed += fprintf(fp, "%5d ", sample->pid); 764 else if (PRINT_FIELD(TID)) 765 printed += fprintf(fp, "%5d ", sample->tid); 766 767 if (PRINT_FIELD(CPU)) { 768 if (latency_format) 769 printed += fprintf(fp, "%3d ", sample->cpu); 770 else 771 printed += fprintf(fp, "[%03d] ", sample->cpu); 772 } 773 774 if (PRINT_FIELD(MISC)) { 775 int ret = 0; 776 777 #define has(m) \ 778 (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m 779 780 if (has(KERNEL)) 781 ret += fprintf(fp, "K"); 782 if (has(USER)) 783 ret += fprintf(fp, "U"); 784 if (has(HYPERVISOR)) 785 ret += fprintf(fp, "H"); 786 if (has(GUEST_KERNEL)) 787 ret += fprintf(fp, "G"); 788 if (has(GUEST_USER)) 789 ret += fprintf(fp, "g"); 790 791 switch (type) { 792 case PERF_RECORD_MMAP: 793 case PERF_RECORD_MMAP2: 794 if (has(MMAP_DATA)) 795 ret += fprintf(fp, "M"); 796 break; 797 case PERF_RECORD_COMM: 798 if (has(COMM_EXEC)) 799 ret += fprintf(fp, "E"); 800 break; 801 case PERF_RECORD_SWITCH: 802 case PERF_RECORD_SWITCH_CPU_WIDE: 803 if (has(SWITCH_OUT)) { 804 ret += fprintf(fp, "S"); 805 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT) 806 ret += fprintf(fp, "p"); 807 } 808 default: 809 break; 810 } 811 812 #undef has 813 814 ret += fprintf(fp, "%*s", 6 - ret, " "); 815 printed += ret; 816 } 817 818 if (PRINT_FIELD(TOD)) { 819 tod_scnprintf(script, tstr, sizeof(tstr), sample->time); 820 printed += fprintf(fp, "%s ", tstr); 821 } 822 823 if (PRINT_FIELD(TIME)) { 824 u64 t = sample->time; 825 if (reltime) { 826 if (!initial_time) 827 initial_time = sample->time; 828 t = sample->time - initial_time; 829 } else if (deltatime) { 830 if (previous_time) 831 t = sample->time - previous_time; 832 else { 833 t = 0; 834 } 835 previous_time = sample->time; 836 } 837 nsecs = t; 838 secs = nsecs / NSEC_PER_SEC; 839 nsecs -= secs * NSEC_PER_SEC; 840 841 if (symbol_conf.nanosecs) 842 printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs); 843 else { 844 char sample_time[32]; 845 timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time)); 846 printed += fprintf(fp, "%12s: ", sample_time); 847 } 848 } 849 850 return printed; 851 } 852 853 static inline char 854 mispred_str(struct branch_entry *br) 855 { 856 if (!(br->flags.mispred || br->flags.predicted)) 857 return '-'; 858 859 return br->flags.predicted ? 'P' : 'M'; 860 } 861 862 static int print_bstack_flags(FILE *fp, struct branch_entry *br) 863 { 864 return fprintf(fp, "/%c/%c/%c/%d/%s ", 865 mispred_str(br), 866 br->flags.in_tx ? 'X' : '-', 867 br->flags.abort ? 'A' : '-', 868 br->flags.cycles, 869 br->flags.type ? branch_type_name(br->flags.type) : "-"); 870 } 871 872 static int perf_sample__fprintf_brstack(struct perf_sample *sample, 873 struct thread *thread, 874 struct perf_event_attr *attr, FILE *fp) 875 { 876 struct branch_stack *br = sample->branch_stack; 877 struct branch_entry *entries = perf_sample__branch_entries(sample); 878 struct addr_location alf, alt; 879 u64 i, from, to; 880 int printed = 0; 881 882 if (!(br && br->nr)) 883 return 0; 884 885 for (i = 0; i < br->nr; i++) { 886 from = entries[i].from; 887 to = entries[i].to; 888 889 if (PRINT_FIELD(DSO)) { 890 memset(&alf, 0, sizeof(alf)); 891 memset(&alt, 0, sizeof(alt)); 892 thread__find_map_fb(thread, sample->cpumode, from, &alf); 893 thread__find_map_fb(thread, sample->cpumode, to, &alt); 894 } 895 896 printed += fprintf(fp, " 0x%"PRIx64, from); 897 if (PRINT_FIELD(DSO)) { 898 printed += fprintf(fp, "("); 899 printed += map__fprintf_dsoname(alf.map, fp); 900 printed += fprintf(fp, ")"); 901 } 902 903 printed += fprintf(fp, "/0x%"PRIx64, to); 904 if (PRINT_FIELD(DSO)) { 905 printed += fprintf(fp, "("); 906 printed += map__fprintf_dsoname(alt.map, fp); 907 printed += fprintf(fp, ")"); 908 } 909 910 printed += print_bstack_flags(fp, entries + i); 911 } 912 913 return printed; 914 } 915 916 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample, 917 struct thread *thread, 918 struct perf_event_attr *attr, FILE *fp) 919 { 920 struct branch_stack *br = sample->branch_stack; 921 struct branch_entry *entries = perf_sample__branch_entries(sample); 922 struct addr_location alf, alt; 923 u64 i, from, to; 924 int printed = 0; 925 926 if (!(br && br->nr)) 927 return 0; 928 929 for (i = 0; i < br->nr; i++) { 930 931 memset(&alf, 0, sizeof(alf)); 932 memset(&alt, 0, sizeof(alt)); 933 from = entries[i].from; 934 to = entries[i].to; 935 936 thread__find_symbol_fb(thread, sample->cpumode, from, &alf); 937 thread__find_symbol_fb(thread, sample->cpumode, to, &alt); 938 939 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp); 940 if (PRINT_FIELD(DSO)) { 941 printed += fprintf(fp, "("); 942 printed += map__fprintf_dsoname(alf.map, fp); 943 printed += fprintf(fp, ")"); 944 } 945 printed += fprintf(fp, "%c", '/'); 946 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp); 947 if (PRINT_FIELD(DSO)) { 948 printed += fprintf(fp, "("); 949 printed += map__fprintf_dsoname(alt.map, fp); 950 printed += fprintf(fp, ")"); 951 } 952 printed += print_bstack_flags(fp, entries + i); 953 } 954 955 return printed; 956 } 957 958 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample, 959 struct thread *thread, 960 struct perf_event_attr *attr, FILE *fp) 961 { 962 struct branch_stack *br = sample->branch_stack; 963 struct branch_entry *entries = perf_sample__branch_entries(sample); 964 struct addr_location alf, alt; 965 u64 i, from, to; 966 int printed = 0; 967 968 if (!(br && br->nr)) 969 return 0; 970 971 for (i = 0; i < br->nr; i++) { 972 973 memset(&alf, 0, sizeof(alf)); 974 memset(&alt, 0, sizeof(alt)); 975 from = entries[i].from; 976 to = entries[i].to; 977 978 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) && 979 !alf.map->dso->adjust_symbols) 980 from = map__map_ip(alf.map, from); 981 982 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) && 983 !alt.map->dso->adjust_symbols) 984 to = map__map_ip(alt.map, to); 985 986 printed += fprintf(fp, " 0x%"PRIx64, from); 987 if (PRINT_FIELD(DSO)) { 988 printed += fprintf(fp, "("); 989 printed += map__fprintf_dsoname(alf.map, fp); 990 printed += fprintf(fp, ")"); 991 } 992 printed += fprintf(fp, "/0x%"PRIx64, to); 993 if (PRINT_FIELD(DSO)) { 994 printed += fprintf(fp, "("); 995 printed += map__fprintf_dsoname(alt.map, fp); 996 printed += fprintf(fp, ")"); 997 } 998 printed += print_bstack_flags(fp, entries + i); 999 } 1000 1001 return printed; 1002 } 1003 #define MAXBB 16384UL 1004 1005 static int grab_bb(u8 *buffer, u64 start, u64 end, 1006 struct machine *machine, struct thread *thread, 1007 bool *is64bit, u8 *cpumode, bool last) 1008 { 1009 long offset, len; 1010 struct addr_location al; 1011 bool kernel; 1012 1013 if (!start || !end) 1014 return 0; 1015 1016 kernel = machine__kernel_ip(machine, start); 1017 if (kernel) 1018 *cpumode = PERF_RECORD_MISC_KERNEL; 1019 else 1020 *cpumode = PERF_RECORD_MISC_USER; 1021 1022 /* 1023 * Block overlaps between kernel and user. 1024 * This can happen due to ring filtering 1025 * On Intel CPUs the entry into the kernel is filtered, 1026 * but the exit is not. Let the caller patch it up. 1027 */ 1028 if (kernel != machine__kernel_ip(machine, end)) { 1029 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end); 1030 return -ENXIO; 1031 } 1032 1033 memset(&al, 0, sizeof(al)); 1034 if (end - start > MAXBB - MAXINSN) { 1035 if (last) 1036 pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end); 1037 else 1038 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start); 1039 return 0; 1040 } 1041 1042 if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) { 1043 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 1044 return 0; 1045 } 1046 if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) { 1047 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 1048 return 0; 1049 } 1050 1051 /* Load maps to ensure dso->is_64_bit has been updated */ 1052 map__load(al.map); 1053 1054 offset = al.map->map_ip(al.map, start); 1055 len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer, 1056 end - start + MAXINSN); 1057 1058 *is64bit = al.map->dso->is_64_bit; 1059 if (len <= 0) 1060 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n", 1061 start, end); 1062 return len; 1063 } 1064 1065 static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state) 1066 { 1067 char *srcfile; 1068 int ret = 0; 1069 unsigned line; 1070 int len; 1071 char *srccode; 1072 1073 if (!map || !map->dso) 1074 return 0; 1075 srcfile = get_srcline_split(map->dso, 1076 map__rip_2objdump(map, addr), 1077 &line); 1078 if (!srcfile) 1079 return 0; 1080 1081 /* Avoid redundant printing */ 1082 if (state && 1083 state->srcfile && 1084 !strcmp(state->srcfile, srcfile) && 1085 state->line == line) { 1086 free(srcfile); 1087 return 0; 1088 } 1089 1090 srccode = find_sourceline(srcfile, line, &len); 1091 if (!srccode) 1092 goto out_free_line; 1093 1094 ret = fprintf(fp, "|%-8d %.*s", line, len, srccode); 1095 1096 if (state) { 1097 state->srcfile = srcfile; 1098 state->line = line; 1099 } 1100 return ret; 1101 1102 out_free_line: 1103 free(srcfile); 1104 return ret; 1105 } 1106 1107 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr) 1108 { 1109 struct addr_location al; 1110 int ret = 0; 1111 1112 memset(&al, 0, sizeof(al)); 1113 thread__find_map(thread, cpumode, addr, &al); 1114 if (!al.map) 1115 return 0; 1116 ret = map__fprintf_srccode(al.map, al.addr, stdout, 1117 &thread->srccode_state); 1118 if (ret) 1119 ret += printf("\n"); 1120 return ret; 1121 } 1122 1123 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en, 1124 struct perf_insn *x, u8 *inbuf, int len, 1125 int insn, FILE *fp, int *total_cycles, 1126 struct perf_event_attr *attr) 1127 { 1128 int ilen = 0; 1129 int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t", ip, 1130 dump_insn(x, ip, inbuf, len, &ilen)); 1131 1132 if (PRINT_FIELD(BRSTACKINSNLEN)) 1133 printed += fprintf(fp, "ilen: %d\t", ilen); 1134 1135 printed += fprintf(fp, "#%s%s%s%s", 1136 en->flags.predicted ? " PRED" : "", 1137 en->flags.mispred ? " MISPRED" : "", 1138 en->flags.in_tx ? " INTX" : "", 1139 en->flags.abort ? " ABORT" : ""); 1140 if (en->flags.cycles) { 1141 *total_cycles += en->flags.cycles; 1142 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles); 1143 if (insn) 1144 printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles); 1145 } 1146 return printed + fprintf(fp, "\n"); 1147 } 1148 1149 static int ip__fprintf_sym(uint64_t addr, struct thread *thread, 1150 u8 cpumode, int cpu, struct symbol **lastsym, 1151 struct perf_event_attr *attr, FILE *fp) 1152 { 1153 struct addr_location al; 1154 int off, printed = 0; 1155 1156 memset(&al, 0, sizeof(al)); 1157 1158 thread__find_map(thread, cpumode, addr, &al); 1159 1160 if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end) 1161 return 0; 1162 1163 al.cpu = cpu; 1164 al.sym = NULL; 1165 if (al.map) 1166 al.sym = map__find_symbol(al.map, al.addr); 1167 1168 if (!al.sym) 1169 return 0; 1170 1171 if (al.addr < al.sym->end) 1172 off = al.addr - al.sym->start; 1173 else 1174 off = al.addr - al.map->start - al.sym->start; 1175 printed += fprintf(fp, "\t%s", al.sym->name); 1176 if (off) 1177 printed += fprintf(fp, "%+d", off); 1178 printed += fprintf(fp, ":"); 1179 if (PRINT_FIELD(SRCLINE)) 1180 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp); 1181 printed += fprintf(fp, "\n"); 1182 *lastsym = al.sym; 1183 1184 return printed; 1185 } 1186 1187 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample, 1188 struct thread *thread, 1189 struct perf_event_attr *attr, 1190 struct machine *machine, FILE *fp) 1191 { 1192 struct branch_stack *br = sample->branch_stack; 1193 struct branch_entry *entries = perf_sample__branch_entries(sample); 1194 u64 start, end; 1195 int i, insn, len, nr, ilen, printed = 0; 1196 struct perf_insn x; 1197 u8 buffer[MAXBB]; 1198 unsigned off; 1199 struct symbol *lastsym = NULL; 1200 int total_cycles = 0; 1201 1202 if (!(br && br->nr)) 1203 return 0; 1204 nr = br->nr; 1205 if (max_blocks && nr > max_blocks + 1) 1206 nr = max_blocks + 1; 1207 1208 x.thread = thread; 1209 x.cpu = sample->cpu; 1210 1211 printed += fprintf(fp, "%c", '\n'); 1212 1213 /* Handle first from jump, of which we don't know the entry. */ 1214 len = grab_bb(buffer, entries[nr-1].from, 1215 entries[nr-1].from, 1216 machine, thread, &x.is64bit, &x.cpumode, false); 1217 if (len > 0) { 1218 printed += ip__fprintf_sym(entries[nr - 1].from, thread, 1219 x.cpumode, x.cpu, &lastsym, attr, fp); 1220 printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1], 1221 &x, buffer, len, 0, fp, &total_cycles, 1222 attr); 1223 if (PRINT_FIELD(SRCCODE)) 1224 printed += print_srccode(thread, x.cpumode, entries[nr - 1].from); 1225 } 1226 1227 /* Print all blocks */ 1228 for (i = nr - 2; i >= 0; i--) { 1229 if (entries[i].from || entries[i].to) 1230 pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i, 1231 entries[i].from, 1232 entries[i].to); 1233 start = entries[i + 1].to; 1234 end = entries[i].from; 1235 1236 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1237 /* Patch up missing kernel transfers due to ring filters */ 1238 if (len == -ENXIO && i > 0) { 1239 end = entries[--i].from; 1240 pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end); 1241 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1242 } 1243 if (len <= 0) 1244 continue; 1245 1246 insn = 0; 1247 for (off = 0; off < (unsigned)len; off += ilen) { 1248 uint64_t ip = start + off; 1249 1250 printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1251 if (ip == end) { 1252 printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp, 1253 &total_cycles, attr); 1254 if (PRINT_FIELD(SRCCODE)) 1255 printed += print_srccode(thread, x.cpumode, ip); 1256 break; 1257 } else { 1258 ilen = 0; 1259 printed += fprintf(fp, "\t%016" PRIx64 "\t%s", ip, 1260 dump_insn(&x, ip, buffer + off, len - off, &ilen)); 1261 if (PRINT_FIELD(BRSTACKINSNLEN)) 1262 printed += fprintf(fp, "\tilen: %d", ilen); 1263 printed += fprintf(fp, "\n"); 1264 if (ilen == 0) 1265 break; 1266 if (PRINT_FIELD(SRCCODE)) 1267 print_srccode(thread, x.cpumode, ip); 1268 insn++; 1269 } 1270 } 1271 if (off != end - start) 1272 printed += fprintf(fp, "\tmismatch of LBR data and executable\n"); 1273 } 1274 1275 /* 1276 * Hit the branch? In this case we are already done, and the target 1277 * has not been executed yet. 1278 */ 1279 if (entries[0].from == sample->ip) 1280 goto out; 1281 if (entries[0].flags.abort) 1282 goto out; 1283 1284 /* 1285 * Print final block upto sample 1286 * 1287 * Due to pipeline delays the LBRs might be missing a branch 1288 * or two, which can result in very large or negative blocks 1289 * between final branch and sample. When this happens just 1290 * continue walking after the last TO until we hit a branch. 1291 */ 1292 start = entries[0].to; 1293 end = sample->ip; 1294 if (end < start) { 1295 /* Missing jump. Scan 128 bytes for the next branch */ 1296 end = start + 128; 1297 } 1298 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true); 1299 printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1300 if (len <= 0) { 1301 /* Print at least last IP if basic block did not work */ 1302 len = grab_bb(buffer, sample->ip, sample->ip, 1303 machine, thread, &x.is64bit, &x.cpumode, false); 1304 if (len <= 0) 1305 goto out; 1306 ilen = 0; 1307 printed += fprintf(fp, "\t%016" PRIx64 "\t%s", sample->ip, 1308 dump_insn(&x, sample->ip, buffer, len, &ilen)); 1309 if (PRINT_FIELD(BRSTACKINSNLEN)) 1310 printed += fprintf(fp, "\tilen: %d", ilen); 1311 printed += fprintf(fp, "\n"); 1312 if (PRINT_FIELD(SRCCODE)) 1313 print_srccode(thread, x.cpumode, sample->ip); 1314 goto out; 1315 } 1316 for (off = 0; off <= end - start; off += ilen) { 1317 ilen = 0; 1318 printed += fprintf(fp, "\t%016" PRIx64 "\t%s", start + off, 1319 dump_insn(&x, start + off, buffer + off, len - off, &ilen)); 1320 if (PRINT_FIELD(BRSTACKINSNLEN)) 1321 printed += fprintf(fp, "\tilen: %d", ilen); 1322 printed += fprintf(fp, "\n"); 1323 if (ilen == 0) 1324 break; 1325 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) { 1326 /* 1327 * Hit a missing branch. Just stop. 1328 */ 1329 printed += fprintf(fp, "\t... not reaching sample ...\n"); 1330 break; 1331 } 1332 if (PRINT_FIELD(SRCCODE)) 1333 print_srccode(thread, x.cpumode, start + off); 1334 } 1335 out: 1336 return printed; 1337 } 1338 1339 static int perf_sample__fprintf_addr(struct perf_sample *sample, 1340 struct thread *thread, 1341 struct perf_event_attr *attr, FILE *fp) 1342 { 1343 struct addr_location al; 1344 int printed = fprintf(fp, "%16" PRIx64, sample->addr); 1345 1346 if (!sample_addr_correlates_sym(attr)) 1347 goto out; 1348 1349 thread__resolve(thread, &al, sample); 1350 1351 if (PRINT_FIELD(SYM)) { 1352 printed += fprintf(fp, " "); 1353 if (PRINT_FIELD(SYMOFFSET)) 1354 printed += symbol__fprintf_symname_offs(al.sym, &al, fp); 1355 else 1356 printed += symbol__fprintf_symname(al.sym, fp); 1357 } 1358 1359 if (PRINT_FIELD(DSO)) { 1360 printed += fprintf(fp, " ("); 1361 printed += map__fprintf_dsoname(al.map, fp); 1362 printed += fprintf(fp, ")"); 1363 } 1364 out: 1365 return printed; 1366 } 1367 1368 static const char *resolve_branch_sym(struct perf_sample *sample, 1369 struct evsel *evsel, 1370 struct thread *thread, 1371 struct addr_location *al, 1372 struct addr_location *addr_al, 1373 u64 *ip) 1374 { 1375 struct perf_event_attr *attr = &evsel->core.attr; 1376 const char *name = NULL; 1377 1378 if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) { 1379 if (sample_addr_correlates_sym(attr)) { 1380 if (!addr_al->thread) 1381 thread__resolve(thread, addr_al, sample); 1382 if (addr_al->sym) 1383 name = addr_al->sym->name; 1384 else 1385 *ip = sample->addr; 1386 } else { 1387 *ip = sample->addr; 1388 } 1389 } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) { 1390 if (al->sym) 1391 name = al->sym->name; 1392 else 1393 *ip = sample->ip; 1394 } 1395 return name; 1396 } 1397 1398 static int perf_sample__fprintf_callindent(struct perf_sample *sample, 1399 struct evsel *evsel, 1400 struct thread *thread, 1401 struct addr_location *al, 1402 struct addr_location *addr_al, 1403 FILE *fp) 1404 { 1405 struct perf_event_attr *attr = &evsel->core.attr; 1406 size_t depth = thread_stack__depth(thread, sample->cpu); 1407 const char *name = NULL; 1408 static int spacing; 1409 int len = 0; 1410 int dlen = 0; 1411 u64 ip = 0; 1412 1413 /* 1414 * The 'return' has already been popped off the stack so the depth has 1415 * to be adjusted to match the 'call'. 1416 */ 1417 if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN) 1418 depth += 1; 1419 1420 name = resolve_branch_sym(sample, evsel, thread, al, addr_al, &ip); 1421 1422 if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) { 1423 dlen += fprintf(fp, "("); 1424 dlen += map__fprintf_dsoname(al->map, fp); 1425 dlen += fprintf(fp, ")\t"); 1426 } 1427 1428 if (name) 1429 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name); 1430 else if (ip) 1431 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip); 1432 1433 if (len < 0) 1434 return len; 1435 1436 /* 1437 * Try to keep the output length from changing frequently so that the 1438 * output lines up more nicely. 1439 */ 1440 if (len > spacing || (len && len < spacing - 52)) 1441 spacing = round_up(len + 4, 32); 1442 1443 if (len < spacing) 1444 len += fprintf(fp, "%*s", spacing - len, ""); 1445 1446 return len + dlen; 1447 } 1448 1449 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused, 1450 struct thread *thread __maybe_unused, 1451 struct machine *machine __maybe_unused) 1452 { 1453 } 1454 1455 void script_fetch_insn(struct perf_sample *sample, struct thread *thread, 1456 struct machine *machine) 1457 { 1458 if (sample->insn_len == 0 && native_arch) 1459 arch_fetch_insn(sample, thread, machine); 1460 } 1461 1462 static int perf_sample__fprintf_insn(struct perf_sample *sample, 1463 struct perf_event_attr *attr, 1464 struct thread *thread, 1465 struct machine *machine, FILE *fp) 1466 { 1467 int printed = 0; 1468 1469 script_fetch_insn(sample, thread, machine); 1470 1471 if (PRINT_FIELD(INSNLEN)) 1472 printed += fprintf(fp, " ilen: %d", sample->insn_len); 1473 if (PRINT_FIELD(INSN) && sample->insn_len) { 1474 int i; 1475 1476 printed += fprintf(fp, " insn:"); 1477 for (i = 0; i < sample->insn_len; i++) 1478 printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]); 1479 } 1480 if (PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN)) 1481 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp); 1482 1483 return printed; 1484 } 1485 1486 static int perf_sample__fprintf_ipc(struct perf_sample *sample, 1487 struct perf_event_attr *attr, FILE *fp) 1488 { 1489 unsigned int ipc; 1490 1491 if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt) 1492 return 0; 1493 1494 ipc = (sample->insn_cnt * 100) / sample->cyc_cnt; 1495 1496 return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ", 1497 ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt); 1498 } 1499 1500 static int perf_sample__fprintf_bts(struct perf_sample *sample, 1501 struct evsel *evsel, 1502 struct thread *thread, 1503 struct addr_location *al, 1504 struct addr_location *addr_al, 1505 struct machine *machine, FILE *fp) 1506 { 1507 struct perf_event_attr *attr = &evsel->core.attr; 1508 unsigned int type = output_type(attr->type); 1509 bool print_srcline_last = false; 1510 int printed = 0; 1511 1512 if (PRINT_FIELD(CALLINDENT)) 1513 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, addr_al, fp); 1514 1515 /* print branch_from information */ 1516 if (PRINT_FIELD(IP)) { 1517 unsigned int print_opts = output[type].print_ip_opts; 1518 struct callchain_cursor *cursor = NULL; 1519 1520 if (symbol_conf.use_callchain && sample->callchain && 1521 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 1522 sample, NULL, NULL, scripting_max_stack) == 0) 1523 cursor = &callchain_cursor; 1524 1525 if (cursor == NULL) { 1526 printed += fprintf(fp, " "); 1527 if (print_opts & EVSEL__PRINT_SRCLINE) { 1528 print_srcline_last = true; 1529 print_opts &= ~EVSEL__PRINT_SRCLINE; 1530 } 1531 } else 1532 printed += fprintf(fp, "\n"); 1533 1534 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, 1535 symbol_conf.bt_stop_list, fp); 1536 } 1537 1538 /* print branch_to information */ 1539 if (PRINT_FIELD(ADDR) || 1540 ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 1541 !output[type].user_set)) { 1542 printed += fprintf(fp, " => "); 1543 printed += perf_sample__fprintf_addr(sample, thread, attr, fp); 1544 } 1545 1546 printed += perf_sample__fprintf_ipc(sample, attr, fp); 1547 1548 if (print_srcline_last) 1549 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp); 1550 1551 printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 1552 printed += fprintf(fp, "\n"); 1553 if (PRINT_FIELD(SRCCODE)) { 1554 int ret = map__fprintf_srccode(al->map, al->addr, stdout, 1555 &thread->srccode_state); 1556 if (ret) { 1557 printed += ret; 1558 printed += printf("\n"); 1559 } 1560 } 1561 return printed; 1562 } 1563 1564 static struct { 1565 u32 flags; 1566 const char *name; 1567 } sample_flags[] = { 1568 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"}, 1569 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"}, 1570 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"}, 1571 {PERF_IP_FLAG_BRANCH, "jmp"}, 1572 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"}, 1573 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"}, 1574 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"}, 1575 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"}, 1576 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"}, 1577 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"}, 1578 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"}, 1579 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"}, 1580 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"}, 1581 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMENTRY, "vmentry"}, 1582 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMEXIT, "vmexit"}, 1583 {0, NULL} 1584 }; 1585 1586 static const char *sample_flags_to_name(u32 flags) 1587 { 1588 int i; 1589 1590 for (i = 0; sample_flags[i].name ; i++) { 1591 if (sample_flags[i].flags == flags) 1592 return sample_flags[i].name; 1593 } 1594 1595 return NULL; 1596 } 1597 1598 int perf_sample__sprintf_flags(u32 flags, char *str, size_t sz) 1599 { 1600 u32 xf = PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_INTR_DISABLE | 1601 PERF_IP_FLAG_INTR_TOGGLE; 1602 const char *chars = PERF_IP_FLAG_CHARS; 1603 const size_t n = strlen(PERF_IP_FLAG_CHARS); 1604 const char *name = NULL; 1605 size_t i, pos = 0; 1606 char xs[16] = {0}; 1607 1608 if (flags & xf) 1609 snprintf(xs, sizeof(xs), "(%s%s%s)", 1610 flags & PERF_IP_FLAG_IN_TX ? "x" : "", 1611 flags & PERF_IP_FLAG_INTR_DISABLE ? "D" : "", 1612 flags & PERF_IP_FLAG_INTR_TOGGLE ? "t" : ""); 1613 1614 name = sample_flags_to_name(flags & ~xf); 1615 if (name) 1616 return snprintf(str, sz, "%-15s%6s", name, xs); 1617 1618 if (flags & PERF_IP_FLAG_TRACE_BEGIN) { 1619 name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_BEGIN)); 1620 if (name) 1621 return snprintf(str, sz, "tr strt %-7s%6s", name, xs); 1622 } 1623 1624 if (flags & PERF_IP_FLAG_TRACE_END) { 1625 name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_END)); 1626 if (name) 1627 return snprintf(str, sz, "tr end %-7s%6s", name, xs); 1628 } 1629 1630 for (i = 0; i < n; i++, flags >>= 1) { 1631 if ((flags & 1) && pos < sz) 1632 str[pos++] = chars[i]; 1633 } 1634 for (; i < 32; i++, flags >>= 1) { 1635 if ((flags & 1) && pos < sz) 1636 str[pos++] = '?'; 1637 } 1638 if (pos < sz) 1639 str[pos] = 0; 1640 1641 return pos; 1642 } 1643 1644 static int perf_sample__fprintf_flags(u32 flags, FILE *fp) 1645 { 1646 char str[SAMPLE_FLAGS_BUF_SIZE]; 1647 1648 perf_sample__sprintf_flags(flags, str, sizeof(str)); 1649 return fprintf(fp, " %-21s ", str); 1650 } 1651 1652 struct printer_data { 1653 int line_no; 1654 bool hit_nul; 1655 bool is_printable; 1656 }; 1657 1658 static int sample__fprintf_bpf_output(enum binary_printer_ops op, 1659 unsigned int val, 1660 void *extra, FILE *fp) 1661 { 1662 unsigned char ch = (unsigned char)val; 1663 struct printer_data *printer_data = extra; 1664 int printed = 0; 1665 1666 switch (op) { 1667 case BINARY_PRINT_DATA_BEGIN: 1668 printed += fprintf(fp, "\n"); 1669 break; 1670 case BINARY_PRINT_LINE_BEGIN: 1671 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" : 1672 " "); 1673 break; 1674 case BINARY_PRINT_ADDR: 1675 printed += fprintf(fp, " %04x:", val); 1676 break; 1677 case BINARY_PRINT_NUM_DATA: 1678 printed += fprintf(fp, " %02x", val); 1679 break; 1680 case BINARY_PRINT_NUM_PAD: 1681 printed += fprintf(fp, " "); 1682 break; 1683 case BINARY_PRINT_SEP: 1684 printed += fprintf(fp, " "); 1685 break; 1686 case BINARY_PRINT_CHAR_DATA: 1687 if (printer_data->hit_nul && ch) 1688 printer_data->is_printable = false; 1689 1690 if (!isprint(ch)) { 1691 printed += fprintf(fp, "%c", '.'); 1692 1693 if (!printer_data->is_printable) 1694 break; 1695 1696 if (ch == '\0') 1697 printer_data->hit_nul = true; 1698 else 1699 printer_data->is_printable = false; 1700 } else { 1701 printed += fprintf(fp, "%c", ch); 1702 } 1703 break; 1704 case BINARY_PRINT_CHAR_PAD: 1705 printed += fprintf(fp, " "); 1706 break; 1707 case BINARY_PRINT_LINE_END: 1708 printed += fprintf(fp, "\n"); 1709 printer_data->line_no++; 1710 break; 1711 case BINARY_PRINT_DATA_END: 1712 default: 1713 break; 1714 } 1715 1716 return printed; 1717 } 1718 1719 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp) 1720 { 1721 unsigned int nr_bytes = sample->raw_size; 1722 struct printer_data printer_data = {0, false, true}; 1723 int printed = binary__fprintf(sample->raw_data, nr_bytes, 8, 1724 sample__fprintf_bpf_output, &printer_data, fp); 1725 1726 if (printer_data.is_printable && printer_data.hit_nul) 1727 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data)); 1728 1729 return printed; 1730 } 1731 1732 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp) 1733 { 1734 if (len > 0 && len < spacing) 1735 return fprintf(fp, "%*s", spacing - len, ""); 1736 1737 return 0; 1738 } 1739 1740 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp) 1741 { 1742 return perf_sample__fprintf_spacing(len, 34, fp); 1743 } 1744 1745 /* If a value contains only printable ASCII characters padded with NULLs */ 1746 static bool ptw_is_prt(u64 val) 1747 { 1748 char c; 1749 u32 i; 1750 1751 for (i = 0; i < sizeof(val); i++) { 1752 c = ((char *)&val)[i]; 1753 if (!c) 1754 break; 1755 if (!isprint(c) || !isascii(c)) 1756 return false; 1757 } 1758 for (; i < sizeof(val); i++) { 1759 c = ((char *)&val)[i]; 1760 if (c) 1761 return false; 1762 } 1763 return true; 1764 } 1765 1766 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp) 1767 { 1768 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample); 1769 char str[sizeof(u64) + 1] = ""; 1770 int len; 1771 u64 val; 1772 1773 if (perf_sample__bad_synth_size(sample, *data)) 1774 return 0; 1775 1776 val = le64_to_cpu(data->payload); 1777 if (ptw_is_prt(val)) { 1778 memcpy(str, &val, sizeof(val)); 1779 str[sizeof(val)] = 0; 1780 } 1781 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " %s ", 1782 data->ip, val, str); 1783 return len + perf_sample__fprintf_pt_spacing(len, fp); 1784 } 1785 1786 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp) 1787 { 1788 struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample); 1789 int len; 1790 1791 if (perf_sample__bad_synth_size(sample, *data)) 1792 return 0; 1793 1794 len = fprintf(fp, " hints: %#x extensions: %#x ", 1795 data->hints, data->extensions); 1796 return len + perf_sample__fprintf_pt_spacing(len, fp); 1797 } 1798 1799 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp) 1800 { 1801 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample); 1802 int len; 1803 1804 if (perf_sample__bad_synth_size(sample, *data)) 1805 return 0; 1806 1807 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ", 1808 data->hw, data->cstate, data->subcstate); 1809 return len + perf_sample__fprintf_pt_spacing(len, fp); 1810 } 1811 1812 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp) 1813 { 1814 struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample); 1815 int len; 1816 1817 if (perf_sample__bad_synth_size(sample, *data)) 1818 return 0; 1819 1820 len = fprintf(fp, " IP: %u ", data->ip); 1821 return len + perf_sample__fprintf_pt_spacing(len, fp); 1822 } 1823 1824 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp) 1825 { 1826 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample); 1827 int len; 1828 1829 if (perf_sample__bad_synth_size(sample, *data)) 1830 return 0; 1831 1832 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ", 1833 data->deepest_cstate, data->last_cstate, 1834 data->wake_reason); 1835 return len + perf_sample__fprintf_pt_spacing(len, fp); 1836 } 1837 1838 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp) 1839 { 1840 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample); 1841 unsigned int percent, freq; 1842 int len; 1843 1844 if (perf_sample__bad_synth_size(sample, *data)) 1845 return 0; 1846 1847 freq = (le32_to_cpu(data->freq) + 500) / 1000; 1848 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq); 1849 if (data->max_nonturbo) { 1850 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10; 1851 len += fprintf(fp, "(%3u%%) ", percent); 1852 } 1853 return len + perf_sample__fprintf_pt_spacing(len, fp); 1854 } 1855 1856 static int perf_sample__fprintf_synth_psb(struct perf_sample *sample, FILE *fp) 1857 { 1858 struct perf_synth_intel_psb *data = perf_sample__synth_ptr(sample); 1859 int len; 1860 1861 if (perf_sample__bad_synth_size(sample, *data)) 1862 return 0; 1863 1864 len = fprintf(fp, " psb offs: %#" PRIx64, data->offset); 1865 return len + perf_sample__fprintf_pt_spacing(len, fp); 1866 } 1867 1868 /* Intel PT Event Trace */ 1869 static int perf_sample__fprintf_synth_evt(struct perf_sample *sample, FILE *fp) 1870 { 1871 struct perf_synth_intel_evt *data = perf_sample__synth_ptr(sample); 1872 const char *cfe[32] = {NULL, "INTR", "IRET", "SMI", "RSM", "SIPI", 1873 "INIT", "VMENTRY", "VMEXIT", "VMEXIT_INTR", 1874 "SHUTDOWN"}; 1875 const char *evd[64] = {"PFA", "VMXQ", "VMXR"}; 1876 const char *s; 1877 int len, i; 1878 1879 if (perf_sample__bad_synth_size(sample, *data)) 1880 return 0; 1881 1882 s = cfe[data->type]; 1883 if (s) { 1884 len = fprintf(fp, " cfe: %s IP: %d vector: %u", 1885 s, data->ip, data->vector); 1886 } else { 1887 len = fprintf(fp, " cfe: %u IP: %d vector: %u", 1888 data->type, data->ip, data->vector); 1889 } 1890 for (i = 0; i < data->evd_cnt; i++) { 1891 unsigned int et = data->evd[i].evd_type & 0x3f; 1892 1893 s = evd[et]; 1894 if (s) { 1895 len += fprintf(fp, " %s: %#" PRIx64, 1896 s, data->evd[i].payload); 1897 } else { 1898 len += fprintf(fp, " EVD_%u: %#" PRIx64, 1899 et, data->evd[i].payload); 1900 } 1901 } 1902 return len + perf_sample__fprintf_pt_spacing(len, fp); 1903 } 1904 1905 static int perf_sample__fprintf_synth_iflag_chg(struct perf_sample *sample, FILE *fp) 1906 { 1907 struct perf_synth_intel_iflag_chg *data = perf_sample__synth_ptr(sample); 1908 int len; 1909 1910 if (perf_sample__bad_synth_size(sample, *data)) 1911 return 0; 1912 1913 len = fprintf(fp, " IFLAG: %d->%d %s branch", !data->iflag, data->iflag, 1914 data->via_branch ? "via" : "non"); 1915 return len + perf_sample__fprintf_pt_spacing(len, fp); 1916 } 1917 1918 static int perf_sample__fprintf_synth(struct perf_sample *sample, 1919 struct evsel *evsel, FILE *fp) 1920 { 1921 switch (evsel->core.attr.config) { 1922 case PERF_SYNTH_INTEL_PTWRITE: 1923 return perf_sample__fprintf_synth_ptwrite(sample, fp); 1924 case PERF_SYNTH_INTEL_MWAIT: 1925 return perf_sample__fprintf_synth_mwait(sample, fp); 1926 case PERF_SYNTH_INTEL_PWRE: 1927 return perf_sample__fprintf_synth_pwre(sample, fp); 1928 case PERF_SYNTH_INTEL_EXSTOP: 1929 return perf_sample__fprintf_synth_exstop(sample, fp); 1930 case PERF_SYNTH_INTEL_PWRX: 1931 return perf_sample__fprintf_synth_pwrx(sample, fp); 1932 case PERF_SYNTH_INTEL_CBR: 1933 return perf_sample__fprintf_synth_cbr(sample, fp); 1934 case PERF_SYNTH_INTEL_PSB: 1935 return perf_sample__fprintf_synth_psb(sample, fp); 1936 case PERF_SYNTH_INTEL_EVT: 1937 return perf_sample__fprintf_synth_evt(sample, fp); 1938 case PERF_SYNTH_INTEL_IFLAG_CHG: 1939 return perf_sample__fprintf_synth_iflag_chg(sample, fp); 1940 default: 1941 break; 1942 } 1943 1944 return 0; 1945 } 1946 1947 static int evlist__max_name_len(struct evlist *evlist) 1948 { 1949 struct evsel *evsel; 1950 int max = 0; 1951 1952 evlist__for_each_entry(evlist, evsel) { 1953 int len = strlen(evsel__name(evsel)); 1954 1955 max = MAX(len, max); 1956 } 1957 1958 return max; 1959 } 1960 1961 static int data_src__fprintf(u64 data_src, FILE *fp) 1962 { 1963 struct mem_info mi = { .data_src.val = data_src }; 1964 char decode[100]; 1965 char out[100]; 1966 static int maxlen; 1967 int len; 1968 1969 perf_script__meminfo_scnprintf(decode, 100, &mi); 1970 1971 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode); 1972 if (maxlen < len) 1973 maxlen = len; 1974 1975 return fprintf(fp, "%-*s", maxlen, out); 1976 } 1977 1978 struct metric_ctx { 1979 struct perf_sample *sample; 1980 struct thread *thread; 1981 struct evsel *evsel; 1982 FILE *fp; 1983 }; 1984 1985 static void script_print_metric(struct perf_stat_config *config __maybe_unused, 1986 void *ctx, const char *color, 1987 const char *fmt, 1988 const char *unit, double val) 1989 { 1990 struct metric_ctx *mctx = ctx; 1991 1992 if (!fmt) 1993 return; 1994 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, 1995 PERF_RECORD_SAMPLE, mctx->fp); 1996 fputs("\tmetric: ", mctx->fp); 1997 if (color) 1998 color_fprintf(mctx->fp, color, fmt, val); 1999 else 2000 printf(fmt, val); 2001 fprintf(mctx->fp, " %s\n", unit); 2002 } 2003 2004 static void script_new_line(struct perf_stat_config *config __maybe_unused, 2005 void *ctx) 2006 { 2007 struct metric_ctx *mctx = ctx; 2008 2009 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, 2010 PERF_RECORD_SAMPLE, mctx->fp); 2011 fputs("\tmetric: ", mctx->fp); 2012 } 2013 2014 static void perf_sample__fprint_metric(struct perf_script *script, 2015 struct thread *thread, 2016 struct evsel *evsel, 2017 struct perf_sample *sample, 2018 FILE *fp) 2019 { 2020 struct evsel *leader = evsel__leader(evsel); 2021 struct perf_stat_output_ctx ctx = { 2022 .print_metric = script_print_metric, 2023 .new_line = script_new_line, 2024 .ctx = &(struct metric_ctx) { 2025 .sample = sample, 2026 .thread = thread, 2027 .evsel = evsel, 2028 .fp = fp, 2029 }, 2030 .force_header = false, 2031 }; 2032 struct evsel *ev2; 2033 u64 val; 2034 2035 if (!evsel->stats) 2036 evlist__alloc_stats(script->session->evlist, false); 2037 if (evsel_script(leader)->gnum++ == 0) 2038 perf_stat__reset_shadow_stats(); 2039 val = sample->period * evsel->scale; 2040 perf_stat__update_shadow_stats(evsel, 2041 val, 2042 sample->cpu, 2043 &rt_stat); 2044 evsel_script(evsel)->val = val; 2045 if (evsel_script(leader)->gnum == leader->core.nr_members) { 2046 for_each_group_member (ev2, leader) { 2047 perf_stat__print_shadow_stats(&stat_config, ev2, 2048 evsel_script(ev2)->val, 2049 sample->cpu, 2050 &ctx, 2051 NULL, 2052 &rt_stat); 2053 } 2054 evsel_script(leader)->gnum = 0; 2055 } 2056 } 2057 2058 static bool show_event(struct perf_sample *sample, 2059 struct evsel *evsel, 2060 struct thread *thread, 2061 struct addr_location *al, 2062 struct addr_location *addr_al) 2063 { 2064 int depth = thread_stack__depth(thread, sample->cpu); 2065 2066 if (!symbol_conf.graph_function) 2067 return true; 2068 2069 if (thread->filter) { 2070 if (depth <= thread->filter_entry_depth) { 2071 thread->filter = false; 2072 return false; 2073 } 2074 return true; 2075 } else { 2076 const char *s = symbol_conf.graph_function; 2077 u64 ip; 2078 const char *name = resolve_branch_sym(sample, evsel, thread, al, addr_al, 2079 &ip); 2080 unsigned nlen; 2081 2082 if (!name) 2083 return false; 2084 nlen = strlen(name); 2085 while (*s) { 2086 unsigned len = strcspn(s, ","); 2087 if (nlen == len && !strncmp(name, s, len)) { 2088 thread->filter = true; 2089 thread->filter_entry_depth = depth; 2090 return true; 2091 } 2092 s += len; 2093 if (*s == ',') 2094 s++; 2095 } 2096 return false; 2097 } 2098 } 2099 2100 static void process_event(struct perf_script *script, 2101 struct perf_sample *sample, struct evsel *evsel, 2102 struct addr_location *al, 2103 struct addr_location *addr_al, 2104 struct machine *machine) 2105 { 2106 struct thread *thread = al->thread; 2107 struct perf_event_attr *attr = &evsel->core.attr; 2108 unsigned int type = output_type(attr->type); 2109 struct evsel_script *es = evsel->priv; 2110 FILE *fp = es->fp; 2111 char str[PAGE_SIZE_NAME_LEN]; 2112 const char *arch = perf_env__arch(machine->env); 2113 2114 if (output[type].fields == 0) 2115 return; 2116 2117 ++es->samples; 2118 2119 perf_sample__fprintf_start(script, sample, thread, evsel, 2120 PERF_RECORD_SAMPLE, fp); 2121 2122 if (PRINT_FIELD(PERIOD)) 2123 fprintf(fp, "%10" PRIu64 " ", sample->period); 2124 2125 if (PRINT_FIELD(EVNAME)) { 2126 const char *evname = evsel__name(evsel); 2127 2128 if (!script->name_width) 2129 script->name_width = evlist__max_name_len(script->session->evlist); 2130 2131 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]"); 2132 } 2133 2134 if (print_flags) 2135 perf_sample__fprintf_flags(sample->flags, fp); 2136 2137 if (is_bts_event(attr)) { 2138 perf_sample__fprintf_bts(sample, evsel, thread, al, addr_al, machine, fp); 2139 return; 2140 } 2141 2142 if (PRINT_FIELD(TRACE) && sample->raw_data) { 2143 event_format__fprintf(evsel->tp_format, sample->cpu, 2144 sample->raw_data, sample->raw_size, fp); 2145 } 2146 2147 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH)) 2148 perf_sample__fprintf_synth(sample, evsel, fp); 2149 2150 if (PRINT_FIELD(ADDR)) 2151 perf_sample__fprintf_addr(sample, thread, attr, fp); 2152 2153 if (PRINT_FIELD(DATA_SRC)) 2154 data_src__fprintf(sample->data_src, fp); 2155 2156 if (PRINT_FIELD(WEIGHT)) 2157 fprintf(fp, "%16" PRIu64, sample->weight); 2158 2159 if (PRINT_FIELD(INS_LAT)) 2160 fprintf(fp, "%16" PRIu16, sample->ins_lat); 2161 2162 if (PRINT_FIELD(IP)) { 2163 struct callchain_cursor *cursor = NULL; 2164 2165 if (script->stitch_lbr) 2166 al->thread->lbr_stitch_enable = true; 2167 2168 if (symbol_conf.use_callchain && sample->callchain && 2169 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 2170 sample, NULL, NULL, scripting_max_stack) == 0) 2171 cursor = &callchain_cursor; 2172 2173 fputc(cursor ? '\n' : ' ', fp); 2174 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, 2175 symbol_conf.bt_stop_list, fp); 2176 } 2177 2178 if (PRINT_FIELD(IREGS)) 2179 perf_sample__fprintf_iregs(sample, attr, arch, fp); 2180 2181 if (PRINT_FIELD(UREGS)) 2182 perf_sample__fprintf_uregs(sample, attr, arch, fp); 2183 2184 if (PRINT_FIELD(BRSTACK)) 2185 perf_sample__fprintf_brstack(sample, thread, attr, fp); 2186 else if (PRINT_FIELD(BRSTACKSYM)) 2187 perf_sample__fprintf_brstacksym(sample, thread, attr, fp); 2188 else if (PRINT_FIELD(BRSTACKOFF)) 2189 perf_sample__fprintf_brstackoff(sample, thread, attr, fp); 2190 2191 if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT)) 2192 perf_sample__fprintf_bpf_output(sample, fp); 2193 perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 2194 2195 if (PRINT_FIELD(PHYS_ADDR)) 2196 fprintf(fp, "%16" PRIx64, sample->phys_addr); 2197 2198 if (PRINT_FIELD(DATA_PAGE_SIZE)) 2199 fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str)); 2200 2201 if (PRINT_FIELD(CODE_PAGE_SIZE)) 2202 fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str)); 2203 2204 perf_sample__fprintf_ipc(sample, attr, fp); 2205 2206 fprintf(fp, "\n"); 2207 2208 if (PRINT_FIELD(SRCCODE)) { 2209 if (map__fprintf_srccode(al->map, al->addr, stdout, 2210 &thread->srccode_state)) 2211 printf("\n"); 2212 } 2213 2214 if (PRINT_FIELD(METRIC)) 2215 perf_sample__fprint_metric(script, thread, evsel, sample, fp); 2216 2217 if (verbose) 2218 fflush(fp); 2219 } 2220 2221 static struct scripting_ops *scripting_ops; 2222 2223 static void __process_stat(struct evsel *counter, u64 tstamp) 2224 { 2225 int nthreads = perf_thread_map__nr(counter->core.threads); 2226 int idx, thread; 2227 struct perf_cpu cpu; 2228 static int header_printed; 2229 2230 if (counter->core.system_wide) 2231 nthreads = 1; 2232 2233 if (!header_printed) { 2234 printf("%3s %8s %15s %15s %15s %15s %s\n", 2235 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT"); 2236 header_printed = 1; 2237 } 2238 2239 for (thread = 0; thread < nthreads; thread++) { 2240 perf_cpu_map__for_each_cpu(cpu, idx, evsel__cpus(counter)) { 2241 struct perf_counts_values *counts; 2242 2243 counts = perf_counts(counter->counts, idx, thread); 2244 2245 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n", 2246 cpu.cpu, 2247 perf_thread_map__pid(counter->core.threads, thread), 2248 counts->val, 2249 counts->ena, 2250 counts->run, 2251 tstamp, 2252 evsel__name(counter)); 2253 } 2254 } 2255 } 2256 2257 static void process_stat(struct evsel *counter, u64 tstamp) 2258 { 2259 if (scripting_ops && scripting_ops->process_stat) 2260 scripting_ops->process_stat(&stat_config, counter, tstamp); 2261 else 2262 __process_stat(counter, tstamp); 2263 } 2264 2265 static void process_stat_interval(u64 tstamp) 2266 { 2267 if (scripting_ops && scripting_ops->process_stat_interval) 2268 scripting_ops->process_stat_interval(tstamp); 2269 } 2270 2271 static void setup_scripting(void) 2272 { 2273 setup_perl_scripting(); 2274 setup_python_scripting(); 2275 } 2276 2277 static int flush_scripting(void) 2278 { 2279 return scripting_ops ? scripting_ops->flush_script() : 0; 2280 } 2281 2282 static int cleanup_scripting(void) 2283 { 2284 pr_debug("\nperf script stopped\n"); 2285 2286 return scripting_ops ? scripting_ops->stop_script() : 0; 2287 } 2288 2289 static bool filter_cpu(struct perf_sample *sample) 2290 { 2291 if (cpu_list && sample->cpu != (u32)-1) 2292 return !test_bit(sample->cpu, cpu_bitmap); 2293 return false; 2294 } 2295 2296 static int process_sample_event(struct perf_tool *tool, 2297 union perf_event *event, 2298 struct perf_sample *sample, 2299 struct evsel *evsel, 2300 struct machine *machine) 2301 { 2302 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2303 struct addr_location al; 2304 struct addr_location addr_al; 2305 int ret = 0; 2306 2307 /* Set thread to NULL to indicate addr_al and al are not initialized */ 2308 addr_al.thread = NULL; 2309 al.thread = NULL; 2310 2311 ret = dlfilter__filter_event_early(dlfilter, event, sample, evsel, machine, &al, &addr_al); 2312 if (ret) { 2313 if (ret > 0) 2314 ret = 0; 2315 goto out_put; 2316 } 2317 2318 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num, 2319 sample->time)) { 2320 goto out_put; 2321 } 2322 2323 if (debug_mode) { 2324 if (sample->time < last_timestamp) { 2325 pr_err("Samples misordered, previous: %" PRIu64 2326 " this: %" PRIu64 "\n", last_timestamp, 2327 sample->time); 2328 nr_unordered++; 2329 } 2330 last_timestamp = sample->time; 2331 goto out_put; 2332 } 2333 2334 if (filter_cpu(sample)) 2335 goto out_put; 2336 2337 if (!al.thread && machine__resolve(machine, &al, sample) < 0) { 2338 pr_err("problem processing %d event, skipping it.\n", 2339 event->header.type); 2340 ret = -1; 2341 goto out_put; 2342 } 2343 2344 if (al.filtered) 2345 goto out_put; 2346 2347 if (!show_event(sample, evsel, al.thread, &al, &addr_al)) 2348 goto out_put; 2349 2350 if (evswitch__discard(&scr->evswitch, evsel)) 2351 goto out_put; 2352 2353 ret = dlfilter__filter_event(dlfilter, event, sample, evsel, machine, &al, &addr_al); 2354 if (ret) { 2355 if (ret > 0) 2356 ret = 0; 2357 goto out_put; 2358 } 2359 2360 if (scripting_ops) { 2361 struct addr_location *addr_al_ptr = NULL; 2362 2363 if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 2364 sample_addr_correlates_sym(&evsel->core.attr)) { 2365 if (!addr_al.thread) 2366 thread__resolve(al.thread, &addr_al, sample); 2367 addr_al_ptr = &addr_al; 2368 } 2369 scripting_ops->process_event(event, sample, evsel, &al, addr_al_ptr); 2370 } else { 2371 process_event(scr, sample, evsel, &al, &addr_al, machine); 2372 } 2373 2374 out_put: 2375 if (al.thread) 2376 addr_location__put(&al); 2377 return ret; 2378 } 2379 2380 static int process_attr(struct perf_tool *tool, union perf_event *event, 2381 struct evlist **pevlist) 2382 { 2383 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2384 struct evlist *evlist; 2385 struct evsel *evsel, *pos; 2386 u64 sample_type; 2387 int err; 2388 static struct evsel_script *es; 2389 2390 err = perf_event__process_attr(tool, event, pevlist); 2391 if (err) 2392 return err; 2393 2394 evlist = *pevlist; 2395 evsel = evlist__last(*pevlist); 2396 2397 if (!evsel->priv) { 2398 if (scr->per_event_dump) { 2399 evsel->priv = evsel_script__new(evsel, scr->session->data); 2400 } else { 2401 es = zalloc(sizeof(*es)); 2402 if (!es) 2403 return -ENOMEM; 2404 es->fp = stdout; 2405 evsel->priv = es; 2406 } 2407 } 2408 2409 if (evsel->core.attr.type >= PERF_TYPE_MAX && 2410 evsel->core.attr.type != PERF_TYPE_SYNTH) 2411 return 0; 2412 2413 evlist__for_each_entry(evlist, pos) { 2414 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel) 2415 return 0; 2416 } 2417 2418 if (evsel->core.attr.sample_type) { 2419 err = evsel__check_attr(evsel, scr->session); 2420 if (err) 2421 return err; 2422 } 2423 2424 /* 2425 * Check if we need to enable callchains based 2426 * on events sample_type. 2427 */ 2428 sample_type = evlist__combined_sample_type(evlist); 2429 callchain_param_setup(sample_type, perf_env__arch((*pevlist)->env)); 2430 2431 /* Enable fields for callchain entries */ 2432 if (symbol_conf.use_callchain && 2433 (sample_type & PERF_SAMPLE_CALLCHAIN || 2434 sample_type & PERF_SAMPLE_BRANCH_STACK || 2435 (sample_type & PERF_SAMPLE_REGS_USER && 2436 sample_type & PERF_SAMPLE_STACK_USER))) { 2437 int type = output_type(evsel->core.attr.type); 2438 2439 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP)) 2440 output[type].fields |= PERF_OUTPUT_IP; 2441 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM)) 2442 output[type].fields |= PERF_OUTPUT_SYM; 2443 } 2444 set_print_ip_opts(&evsel->core.attr); 2445 return 0; 2446 } 2447 2448 static int print_event_with_time(struct perf_tool *tool, 2449 union perf_event *event, 2450 struct perf_sample *sample, 2451 struct machine *machine, 2452 pid_t pid, pid_t tid, u64 timestamp) 2453 { 2454 struct perf_script *script = container_of(tool, struct perf_script, tool); 2455 struct perf_session *session = script->session; 2456 struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id); 2457 struct thread *thread = NULL; 2458 2459 if (evsel && !evsel->core.attr.sample_id_all) { 2460 sample->cpu = 0; 2461 sample->time = timestamp; 2462 sample->pid = pid; 2463 sample->tid = tid; 2464 } 2465 2466 if (filter_cpu(sample)) 2467 return 0; 2468 2469 if (tid != -1) 2470 thread = machine__findnew_thread(machine, pid, tid); 2471 2472 if (evsel) { 2473 perf_sample__fprintf_start(script, sample, thread, evsel, 2474 event->header.type, stdout); 2475 } 2476 2477 perf_event__fprintf(event, machine, stdout); 2478 2479 thread__put(thread); 2480 2481 return 0; 2482 } 2483 2484 static int print_event(struct perf_tool *tool, union perf_event *event, 2485 struct perf_sample *sample, struct machine *machine, 2486 pid_t pid, pid_t tid) 2487 { 2488 return print_event_with_time(tool, event, sample, machine, pid, tid, 0); 2489 } 2490 2491 static int process_comm_event(struct perf_tool *tool, 2492 union perf_event *event, 2493 struct perf_sample *sample, 2494 struct machine *machine) 2495 { 2496 if (perf_event__process_comm(tool, event, sample, machine) < 0) 2497 return -1; 2498 2499 return print_event(tool, event, sample, machine, event->comm.pid, 2500 event->comm.tid); 2501 } 2502 2503 static int process_namespaces_event(struct perf_tool *tool, 2504 union perf_event *event, 2505 struct perf_sample *sample, 2506 struct machine *machine) 2507 { 2508 if (perf_event__process_namespaces(tool, event, sample, machine) < 0) 2509 return -1; 2510 2511 return print_event(tool, event, sample, machine, event->namespaces.pid, 2512 event->namespaces.tid); 2513 } 2514 2515 static int process_cgroup_event(struct perf_tool *tool, 2516 union perf_event *event, 2517 struct perf_sample *sample, 2518 struct machine *machine) 2519 { 2520 if (perf_event__process_cgroup(tool, event, sample, machine) < 0) 2521 return -1; 2522 2523 return print_event(tool, event, sample, machine, sample->pid, 2524 sample->tid); 2525 } 2526 2527 static int process_fork_event(struct perf_tool *tool, 2528 union perf_event *event, 2529 struct perf_sample *sample, 2530 struct machine *machine) 2531 { 2532 if (perf_event__process_fork(tool, event, sample, machine) < 0) 2533 return -1; 2534 2535 return print_event_with_time(tool, event, sample, machine, 2536 event->fork.pid, event->fork.tid, 2537 event->fork.time); 2538 } 2539 static int process_exit_event(struct perf_tool *tool, 2540 union perf_event *event, 2541 struct perf_sample *sample, 2542 struct machine *machine) 2543 { 2544 /* Print before 'exit' deletes anything */ 2545 if (print_event_with_time(tool, event, sample, machine, event->fork.pid, 2546 event->fork.tid, event->fork.time)) 2547 return -1; 2548 2549 return perf_event__process_exit(tool, event, sample, machine); 2550 } 2551 2552 static int process_mmap_event(struct perf_tool *tool, 2553 union perf_event *event, 2554 struct perf_sample *sample, 2555 struct machine *machine) 2556 { 2557 if (perf_event__process_mmap(tool, event, sample, machine) < 0) 2558 return -1; 2559 2560 return print_event(tool, event, sample, machine, event->mmap.pid, 2561 event->mmap.tid); 2562 } 2563 2564 static int process_mmap2_event(struct perf_tool *tool, 2565 union perf_event *event, 2566 struct perf_sample *sample, 2567 struct machine *machine) 2568 { 2569 if (perf_event__process_mmap2(tool, event, sample, machine) < 0) 2570 return -1; 2571 2572 return print_event(tool, event, sample, machine, event->mmap2.pid, 2573 event->mmap2.tid); 2574 } 2575 2576 static int process_switch_event(struct perf_tool *tool, 2577 union perf_event *event, 2578 struct perf_sample *sample, 2579 struct machine *machine) 2580 { 2581 struct perf_script *script = container_of(tool, struct perf_script, tool); 2582 2583 if (perf_event__process_switch(tool, event, sample, machine) < 0) 2584 return -1; 2585 2586 if (scripting_ops && scripting_ops->process_switch && !filter_cpu(sample)) 2587 scripting_ops->process_switch(event, sample, machine); 2588 2589 if (!script->show_switch_events) 2590 return 0; 2591 2592 return print_event(tool, event, sample, machine, sample->pid, 2593 sample->tid); 2594 } 2595 2596 static int process_auxtrace_error(struct perf_session *session, 2597 union perf_event *event) 2598 { 2599 if (scripting_ops && scripting_ops->process_auxtrace_error) { 2600 scripting_ops->process_auxtrace_error(session, event); 2601 return 0; 2602 } 2603 2604 return perf_event__process_auxtrace_error(session, event); 2605 } 2606 2607 static int 2608 process_lost_event(struct perf_tool *tool, 2609 union perf_event *event, 2610 struct perf_sample *sample, 2611 struct machine *machine) 2612 { 2613 return print_event(tool, event, sample, machine, sample->pid, 2614 sample->tid); 2615 } 2616 2617 static int 2618 process_throttle_event(struct perf_tool *tool __maybe_unused, 2619 union perf_event *event, 2620 struct perf_sample *sample, 2621 struct machine *machine) 2622 { 2623 if (scripting_ops && scripting_ops->process_throttle) 2624 scripting_ops->process_throttle(event, sample, machine); 2625 return 0; 2626 } 2627 2628 static int 2629 process_finished_round_event(struct perf_tool *tool __maybe_unused, 2630 union perf_event *event, 2631 struct ordered_events *oe __maybe_unused) 2632 2633 { 2634 perf_event__fprintf(event, NULL, stdout); 2635 return 0; 2636 } 2637 2638 static int 2639 process_bpf_events(struct perf_tool *tool __maybe_unused, 2640 union perf_event *event, 2641 struct perf_sample *sample, 2642 struct machine *machine) 2643 { 2644 if (machine__process_ksymbol(machine, event, sample) < 0) 2645 return -1; 2646 2647 return print_event(tool, event, sample, machine, sample->pid, 2648 sample->tid); 2649 } 2650 2651 static int process_text_poke_events(struct perf_tool *tool, 2652 union perf_event *event, 2653 struct perf_sample *sample, 2654 struct machine *machine) 2655 { 2656 if (perf_event__process_text_poke(tool, event, sample, machine) < 0) 2657 return -1; 2658 2659 return print_event(tool, event, sample, machine, sample->pid, 2660 sample->tid); 2661 } 2662 2663 static void sig_handler(int sig __maybe_unused) 2664 { 2665 session_done = 1; 2666 } 2667 2668 static void perf_script__fclose_per_event_dump(struct perf_script *script) 2669 { 2670 struct evlist *evlist = script->session->evlist; 2671 struct evsel *evsel; 2672 2673 evlist__for_each_entry(evlist, evsel) { 2674 if (!evsel->priv) 2675 break; 2676 evsel_script__delete(evsel->priv); 2677 evsel->priv = NULL; 2678 } 2679 } 2680 2681 static int perf_script__fopen_per_event_dump(struct perf_script *script) 2682 { 2683 struct evsel *evsel; 2684 2685 evlist__for_each_entry(script->session->evlist, evsel) { 2686 /* 2687 * Already setup? I.e. we may be called twice in cases like 2688 * Intel PT, one for the intel_pt// and dummy events, then 2689 * for the evsels synthesized from the auxtrace info. 2690 * 2691 * Ses perf_script__process_auxtrace_info. 2692 */ 2693 if (evsel->priv != NULL) 2694 continue; 2695 2696 evsel->priv = evsel_script__new(evsel, script->session->data); 2697 if (evsel->priv == NULL) 2698 goto out_err_fclose; 2699 } 2700 2701 return 0; 2702 2703 out_err_fclose: 2704 perf_script__fclose_per_event_dump(script); 2705 return -1; 2706 } 2707 2708 static int perf_script__setup_per_event_dump(struct perf_script *script) 2709 { 2710 struct evsel *evsel; 2711 static struct evsel_script es_stdout; 2712 2713 if (script->per_event_dump) 2714 return perf_script__fopen_per_event_dump(script); 2715 2716 es_stdout.fp = stdout; 2717 2718 evlist__for_each_entry(script->session->evlist, evsel) 2719 evsel->priv = &es_stdout; 2720 2721 return 0; 2722 } 2723 2724 static void perf_script__exit_per_event_dump_stats(struct perf_script *script) 2725 { 2726 struct evsel *evsel; 2727 2728 evlist__for_each_entry(script->session->evlist, evsel) { 2729 struct evsel_script *es = evsel->priv; 2730 2731 evsel_script__fprintf(es, stdout); 2732 evsel_script__delete(es); 2733 evsel->priv = NULL; 2734 } 2735 } 2736 2737 static void perf_script__exit(struct perf_script *script) 2738 { 2739 perf_thread_map__put(script->threads); 2740 perf_cpu_map__put(script->cpus); 2741 } 2742 2743 static int __cmd_script(struct perf_script *script) 2744 { 2745 int ret; 2746 2747 signal(SIGINT, sig_handler); 2748 2749 perf_stat__init_shadow_stats(); 2750 2751 /* override event processing functions */ 2752 if (script->show_task_events) { 2753 script->tool.comm = process_comm_event; 2754 script->tool.fork = process_fork_event; 2755 script->tool.exit = process_exit_event; 2756 } 2757 if (script->show_mmap_events) { 2758 script->tool.mmap = process_mmap_event; 2759 script->tool.mmap2 = process_mmap2_event; 2760 } 2761 if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch)) 2762 script->tool.context_switch = process_switch_event; 2763 if (scripting_ops && scripting_ops->process_auxtrace_error) 2764 script->tool.auxtrace_error = process_auxtrace_error; 2765 if (script->show_namespace_events) 2766 script->tool.namespaces = process_namespaces_event; 2767 if (script->show_cgroup_events) 2768 script->tool.cgroup = process_cgroup_event; 2769 if (script->show_lost_events) 2770 script->tool.lost = process_lost_event; 2771 if (script->show_round_events) { 2772 script->tool.ordered_events = false; 2773 script->tool.finished_round = process_finished_round_event; 2774 } 2775 if (script->show_bpf_events) { 2776 script->tool.ksymbol = process_bpf_events; 2777 script->tool.bpf = process_bpf_events; 2778 } 2779 if (script->show_text_poke_events) { 2780 script->tool.ksymbol = process_bpf_events; 2781 script->tool.text_poke = process_text_poke_events; 2782 } 2783 2784 if (perf_script__setup_per_event_dump(script)) { 2785 pr_err("Couldn't create the per event dump files\n"); 2786 return -1; 2787 } 2788 2789 ret = perf_session__process_events(script->session); 2790 2791 if (script->per_event_dump) 2792 perf_script__exit_per_event_dump_stats(script); 2793 2794 if (debug_mode) 2795 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); 2796 2797 return ret; 2798 } 2799 2800 struct script_spec { 2801 struct list_head node; 2802 struct scripting_ops *ops; 2803 char spec[]; 2804 }; 2805 2806 static LIST_HEAD(script_specs); 2807 2808 static struct script_spec *script_spec__new(const char *spec, 2809 struct scripting_ops *ops) 2810 { 2811 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); 2812 2813 if (s != NULL) { 2814 strcpy(s->spec, spec); 2815 s->ops = ops; 2816 } 2817 2818 return s; 2819 } 2820 2821 static void script_spec__add(struct script_spec *s) 2822 { 2823 list_add_tail(&s->node, &script_specs); 2824 } 2825 2826 static struct script_spec *script_spec__find(const char *spec) 2827 { 2828 struct script_spec *s; 2829 2830 list_for_each_entry(s, &script_specs, node) 2831 if (strcasecmp(s->spec, spec) == 0) 2832 return s; 2833 return NULL; 2834 } 2835 2836 int script_spec_register(const char *spec, struct scripting_ops *ops) 2837 { 2838 struct script_spec *s; 2839 2840 s = script_spec__find(spec); 2841 if (s) 2842 return -1; 2843 2844 s = script_spec__new(spec, ops); 2845 if (!s) 2846 return -1; 2847 else 2848 script_spec__add(s); 2849 2850 return 0; 2851 } 2852 2853 static struct scripting_ops *script_spec__lookup(const char *spec) 2854 { 2855 struct script_spec *s = script_spec__find(spec); 2856 if (!s) 2857 return NULL; 2858 2859 return s->ops; 2860 } 2861 2862 static void list_available_languages(void) 2863 { 2864 struct script_spec *s; 2865 2866 fprintf(stderr, "\n"); 2867 fprintf(stderr, "Scripting language extensions (used in " 2868 "perf script -s [spec:]script.[spec]):\n\n"); 2869 2870 list_for_each_entry(s, &script_specs, node) 2871 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); 2872 2873 fprintf(stderr, "\n"); 2874 } 2875 2876 /* Find script file relative to current directory or exec path */ 2877 static char *find_script(const char *script) 2878 { 2879 char path[PATH_MAX]; 2880 2881 if (!scripting_ops) { 2882 const char *ext = strrchr(script, '.'); 2883 2884 if (!ext) 2885 return NULL; 2886 2887 scripting_ops = script_spec__lookup(++ext); 2888 if (!scripting_ops) 2889 return NULL; 2890 } 2891 2892 if (access(script, R_OK)) { 2893 char *exec_path = get_argv_exec_path(); 2894 2895 if (!exec_path) 2896 return NULL; 2897 snprintf(path, sizeof(path), "%s/scripts/%s/%s", 2898 exec_path, scripting_ops->dirname, script); 2899 free(exec_path); 2900 script = path; 2901 if (access(script, R_OK)) 2902 return NULL; 2903 } 2904 return strdup(script); 2905 } 2906 2907 static int parse_scriptname(const struct option *opt __maybe_unused, 2908 const char *str, int unset __maybe_unused) 2909 { 2910 char spec[PATH_MAX]; 2911 const char *script, *ext; 2912 int len; 2913 2914 if (strcmp(str, "lang") == 0) { 2915 list_available_languages(); 2916 exit(0); 2917 } 2918 2919 script = strchr(str, ':'); 2920 if (script) { 2921 len = script - str; 2922 if (len >= PATH_MAX) { 2923 fprintf(stderr, "invalid language specifier"); 2924 return -1; 2925 } 2926 strncpy(spec, str, len); 2927 spec[len] = '\0'; 2928 scripting_ops = script_spec__lookup(spec); 2929 if (!scripting_ops) { 2930 fprintf(stderr, "invalid language specifier"); 2931 return -1; 2932 } 2933 script++; 2934 } else { 2935 script = str; 2936 ext = strrchr(script, '.'); 2937 if (!ext) { 2938 fprintf(stderr, "invalid script extension"); 2939 return -1; 2940 } 2941 scripting_ops = script_spec__lookup(++ext); 2942 if (!scripting_ops) { 2943 fprintf(stderr, "invalid script extension"); 2944 return -1; 2945 } 2946 } 2947 2948 script_name = find_script(script); 2949 if (!script_name) 2950 script_name = strdup(script); 2951 2952 return 0; 2953 } 2954 2955 static int parse_output_fields(const struct option *opt __maybe_unused, 2956 const char *arg, int unset __maybe_unused) 2957 { 2958 char *tok, *strtok_saveptr = NULL; 2959 int i, imax = ARRAY_SIZE(all_output_options); 2960 int j; 2961 int rc = 0; 2962 char *str = strdup(arg); 2963 int type = -1; 2964 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT; 2965 2966 if (!str) 2967 return -ENOMEM; 2968 2969 /* first word can state for which event type the user is specifying 2970 * the fields. If no type exists, the specified fields apply to all 2971 * event types found in the file minus the invalid fields for a type. 2972 */ 2973 tok = strchr(str, ':'); 2974 if (tok) { 2975 *tok = '\0'; 2976 tok++; 2977 if (!strcmp(str, "hw")) 2978 type = PERF_TYPE_HARDWARE; 2979 else if (!strcmp(str, "sw")) 2980 type = PERF_TYPE_SOFTWARE; 2981 else if (!strcmp(str, "trace")) 2982 type = PERF_TYPE_TRACEPOINT; 2983 else if (!strcmp(str, "raw")) 2984 type = PERF_TYPE_RAW; 2985 else if (!strcmp(str, "break")) 2986 type = PERF_TYPE_BREAKPOINT; 2987 else if (!strcmp(str, "synth")) 2988 type = OUTPUT_TYPE_SYNTH; 2989 else { 2990 fprintf(stderr, "Invalid event type in field string.\n"); 2991 rc = -EINVAL; 2992 goto out; 2993 } 2994 2995 if (output[type].user_set) 2996 pr_warning("Overriding previous field request for %s events.\n", 2997 event_type(type)); 2998 2999 /* Don't override defaults for +- */ 3000 if (strchr(tok, '+') || strchr(tok, '-')) 3001 goto parse; 3002 3003 output[type].fields = 0; 3004 output[type].user_set = true; 3005 output[type].wildcard_set = false; 3006 3007 } else { 3008 tok = str; 3009 if (strlen(str) == 0) { 3010 fprintf(stderr, 3011 "Cannot set fields to 'none' for all event types.\n"); 3012 rc = -EINVAL; 3013 goto out; 3014 } 3015 3016 /* Don't override defaults for +- */ 3017 if (strchr(str, '+') || strchr(str, '-')) 3018 goto parse; 3019 3020 if (output_set_by_user()) 3021 pr_warning("Overriding previous field request for all events.\n"); 3022 3023 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 3024 output[j].fields = 0; 3025 output[j].user_set = true; 3026 output[j].wildcard_set = true; 3027 } 3028 } 3029 3030 parse: 3031 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) { 3032 if (*tok == '+') { 3033 if (change == SET) 3034 goto out_badmix; 3035 change = ADD; 3036 tok++; 3037 } else if (*tok == '-') { 3038 if (change == SET) 3039 goto out_badmix; 3040 change = REMOVE; 3041 tok++; 3042 } else { 3043 if (change != SET && change != DEFAULT) 3044 goto out_badmix; 3045 change = SET; 3046 } 3047 3048 for (i = 0; i < imax; ++i) { 3049 if (strcmp(tok, all_output_options[i].str) == 0) 3050 break; 3051 } 3052 if (i == imax && strcmp(tok, "flags") == 0) { 3053 print_flags = change != REMOVE; 3054 continue; 3055 } 3056 if (i == imax) { 3057 fprintf(stderr, "Invalid field requested.\n"); 3058 rc = -EINVAL; 3059 goto out; 3060 } 3061 3062 if (type == -1) { 3063 /* add user option to all events types for 3064 * which it is valid 3065 */ 3066 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 3067 if (output[j].invalid_fields & all_output_options[i].field) { 3068 pr_warning("\'%s\' not valid for %s events. Ignoring.\n", 3069 all_output_options[i].str, event_type(j)); 3070 } else { 3071 if (change == REMOVE) { 3072 output[j].fields &= ~all_output_options[i].field; 3073 output[j].user_set_fields &= ~all_output_options[i].field; 3074 output[j].user_unset_fields |= all_output_options[i].field; 3075 } else { 3076 output[j].fields |= all_output_options[i].field; 3077 output[j].user_set_fields |= all_output_options[i].field; 3078 output[j].user_unset_fields &= ~all_output_options[i].field; 3079 } 3080 output[j].user_set = true; 3081 output[j].wildcard_set = true; 3082 } 3083 } 3084 } else { 3085 if (output[type].invalid_fields & all_output_options[i].field) { 3086 fprintf(stderr, "\'%s\' not valid for %s events.\n", 3087 all_output_options[i].str, event_type(type)); 3088 3089 rc = -EINVAL; 3090 goto out; 3091 } 3092 if (change == REMOVE) 3093 output[type].fields &= ~all_output_options[i].field; 3094 else 3095 output[type].fields |= all_output_options[i].field; 3096 output[type].user_set = true; 3097 output[type].wildcard_set = true; 3098 } 3099 } 3100 3101 if (type >= 0) { 3102 if (output[type].fields == 0) { 3103 pr_debug("No fields requested for %s type. " 3104 "Events will not be displayed.\n", event_type(type)); 3105 } 3106 } 3107 goto out; 3108 3109 out_badmix: 3110 fprintf(stderr, "Cannot mix +-field with overridden fields\n"); 3111 rc = -EINVAL; 3112 out: 3113 free(str); 3114 return rc; 3115 } 3116 3117 #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \ 3118 while ((lang_dirent = readdir(scripts_dir)) != NULL) \ 3119 if ((lang_dirent->d_type == DT_DIR || \ 3120 (lang_dirent->d_type == DT_UNKNOWN && \ 3121 is_directory(scripts_path, lang_dirent))) && \ 3122 (strcmp(lang_dirent->d_name, ".")) && \ 3123 (strcmp(lang_dirent->d_name, ".."))) 3124 3125 #define for_each_script(lang_path, lang_dir, script_dirent) \ 3126 while ((script_dirent = readdir(lang_dir)) != NULL) \ 3127 if (script_dirent->d_type != DT_DIR && \ 3128 (script_dirent->d_type != DT_UNKNOWN || \ 3129 !is_directory(lang_path, script_dirent))) 3130 3131 3132 #define RECORD_SUFFIX "-record" 3133 #define REPORT_SUFFIX "-report" 3134 3135 struct script_desc { 3136 struct list_head node; 3137 char *name; 3138 char *half_liner; 3139 char *args; 3140 }; 3141 3142 static LIST_HEAD(script_descs); 3143 3144 static struct script_desc *script_desc__new(const char *name) 3145 { 3146 struct script_desc *s = zalloc(sizeof(*s)); 3147 3148 if (s != NULL && name) 3149 s->name = strdup(name); 3150 3151 return s; 3152 } 3153 3154 static void script_desc__delete(struct script_desc *s) 3155 { 3156 zfree(&s->name); 3157 zfree(&s->half_liner); 3158 zfree(&s->args); 3159 free(s); 3160 } 3161 3162 static void script_desc__add(struct script_desc *s) 3163 { 3164 list_add_tail(&s->node, &script_descs); 3165 } 3166 3167 static struct script_desc *script_desc__find(const char *name) 3168 { 3169 struct script_desc *s; 3170 3171 list_for_each_entry(s, &script_descs, node) 3172 if (strcasecmp(s->name, name) == 0) 3173 return s; 3174 return NULL; 3175 } 3176 3177 static struct script_desc *script_desc__findnew(const char *name) 3178 { 3179 struct script_desc *s = script_desc__find(name); 3180 3181 if (s) 3182 return s; 3183 3184 s = script_desc__new(name); 3185 if (!s) 3186 return NULL; 3187 3188 script_desc__add(s); 3189 3190 return s; 3191 } 3192 3193 static const char *ends_with(const char *str, const char *suffix) 3194 { 3195 size_t suffix_len = strlen(suffix); 3196 const char *p = str; 3197 3198 if (strlen(str) > suffix_len) { 3199 p = str + strlen(str) - suffix_len; 3200 if (!strncmp(p, suffix, suffix_len)) 3201 return p; 3202 } 3203 3204 return NULL; 3205 } 3206 3207 static int read_script_info(struct script_desc *desc, const char *filename) 3208 { 3209 char line[BUFSIZ], *p; 3210 FILE *fp; 3211 3212 fp = fopen(filename, "r"); 3213 if (!fp) 3214 return -1; 3215 3216 while (fgets(line, sizeof(line), fp)) { 3217 p = skip_spaces(line); 3218 if (strlen(p) == 0) 3219 continue; 3220 if (*p != '#') 3221 continue; 3222 p++; 3223 if (strlen(p) && *p == '!') 3224 continue; 3225 3226 p = skip_spaces(p); 3227 if (strlen(p) && p[strlen(p) - 1] == '\n') 3228 p[strlen(p) - 1] = '\0'; 3229 3230 if (!strncmp(p, "description:", strlen("description:"))) { 3231 p += strlen("description:"); 3232 desc->half_liner = strdup(skip_spaces(p)); 3233 continue; 3234 } 3235 3236 if (!strncmp(p, "args:", strlen("args:"))) { 3237 p += strlen("args:"); 3238 desc->args = strdup(skip_spaces(p)); 3239 continue; 3240 } 3241 } 3242 3243 fclose(fp); 3244 3245 return 0; 3246 } 3247 3248 static char *get_script_root(struct dirent *script_dirent, const char *suffix) 3249 { 3250 char *script_root, *str; 3251 3252 script_root = strdup(script_dirent->d_name); 3253 if (!script_root) 3254 return NULL; 3255 3256 str = (char *)ends_with(script_root, suffix); 3257 if (!str) { 3258 free(script_root); 3259 return NULL; 3260 } 3261 3262 *str = '\0'; 3263 return script_root; 3264 } 3265 3266 static int list_available_scripts(const struct option *opt __maybe_unused, 3267 const char *s __maybe_unused, 3268 int unset __maybe_unused) 3269 { 3270 struct dirent *script_dirent, *lang_dirent; 3271 char scripts_path[MAXPATHLEN]; 3272 DIR *scripts_dir, *lang_dir; 3273 char script_path[MAXPATHLEN]; 3274 char lang_path[MAXPATHLEN]; 3275 struct script_desc *desc; 3276 char first_half[BUFSIZ]; 3277 char *script_root; 3278 3279 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3280 3281 scripts_dir = opendir(scripts_path); 3282 if (!scripts_dir) { 3283 fprintf(stdout, 3284 "open(%s) failed.\n" 3285 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n", 3286 scripts_path); 3287 exit(-1); 3288 } 3289 3290 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3291 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3292 lang_dirent->d_name); 3293 lang_dir = opendir(lang_path); 3294 if (!lang_dir) 3295 continue; 3296 3297 for_each_script(lang_path, lang_dir, script_dirent) { 3298 script_root = get_script_root(script_dirent, REPORT_SUFFIX); 3299 if (script_root) { 3300 desc = script_desc__findnew(script_root); 3301 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3302 lang_path, script_dirent->d_name); 3303 read_script_info(desc, script_path); 3304 free(script_root); 3305 } 3306 } 3307 } 3308 3309 fprintf(stdout, "List of available trace scripts:\n"); 3310 list_for_each_entry(desc, &script_descs, node) { 3311 sprintf(first_half, "%s %s", desc->name, 3312 desc->args ? desc->args : ""); 3313 fprintf(stdout, " %-36s %s\n", first_half, 3314 desc->half_liner ? desc->half_liner : ""); 3315 } 3316 3317 exit(0); 3318 } 3319 3320 static int add_dlarg(const struct option *opt __maybe_unused, 3321 const char *s, int unset __maybe_unused) 3322 { 3323 char *arg = strdup(s); 3324 void *a; 3325 3326 if (!arg) 3327 return -1; 3328 3329 a = realloc(dlargv, sizeof(dlargv[0]) * (dlargc + 1)); 3330 if (!a) { 3331 free(arg); 3332 return -1; 3333 } 3334 3335 dlargv = a; 3336 dlargv[dlargc++] = arg; 3337 3338 return 0; 3339 } 3340 3341 static void free_dlarg(void) 3342 { 3343 while (dlargc--) 3344 free(dlargv[dlargc]); 3345 free(dlargv); 3346 } 3347 3348 /* 3349 * Some scripts specify the required events in their "xxx-record" file, 3350 * this function will check if the events in perf.data match those 3351 * mentioned in the "xxx-record". 3352 * 3353 * Fixme: All existing "xxx-record" are all in good formats "-e event ", 3354 * which is covered well now. And new parsing code should be added to 3355 * cover the future complex formats like event groups etc. 3356 */ 3357 static int check_ev_match(char *dir_name, char *scriptname, 3358 struct perf_session *session) 3359 { 3360 char filename[MAXPATHLEN], evname[128]; 3361 char line[BUFSIZ], *p; 3362 struct evsel *pos; 3363 int match, len; 3364 FILE *fp; 3365 3366 scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname); 3367 3368 fp = fopen(filename, "r"); 3369 if (!fp) 3370 return -1; 3371 3372 while (fgets(line, sizeof(line), fp)) { 3373 p = skip_spaces(line); 3374 if (*p == '#') 3375 continue; 3376 3377 while (strlen(p)) { 3378 p = strstr(p, "-e"); 3379 if (!p) 3380 break; 3381 3382 p += 2; 3383 p = skip_spaces(p); 3384 len = strcspn(p, " \t"); 3385 if (!len) 3386 break; 3387 3388 snprintf(evname, len + 1, "%s", p); 3389 3390 match = 0; 3391 evlist__for_each_entry(session->evlist, pos) { 3392 if (!strcmp(evsel__name(pos), evname)) { 3393 match = 1; 3394 break; 3395 } 3396 } 3397 3398 if (!match) { 3399 fclose(fp); 3400 return -1; 3401 } 3402 } 3403 } 3404 3405 fclose(fp); 3406 return 0; 3407 } 3408 3409 /* 3410 * Return -1 if none is found, otherwise the actual scripts number. 3411 * 3412 * Currently the only user of this function is the script browser, which 3413 * will list all statically runnable scripts, select one, execute it and 3414 * show the output in a perf browser. 3415 */ 3416 int find_scripts(char **scripts_array, char **scripts_path_array, int num, 3417 int pathlen) 3418 { 3419 struct dirent *script_dirent, *lang_dirent; 3420 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; 3421 DIR *scripts_dir, *lang_dir; 3422 struct perf_session *session; 3423 struct perf_data data = { 3424 .path = input_name, 3425 .mode = PERF_DATA_MODE_READ, 3426 }; 3427 char *temp; 3428 int i = 0; 3429 3430 session = perf_session__new(&data, NULL); 3431 if (IS_ERR(session)) 3432 return PTR_ERR(session); 3433 3434 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3435 3436 scripts_dir = opendir(scripts_path); 3437 if (!scripts_dir) { 3438 perf_session__delete(session); 3439 return -1; 3440 } 3441 3442 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3443 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, 3444 lang_dirent->d_name); 3445 #ifndef HAVE_LIBPERL_SUPPORT 3446 if (strstr(lang_path, "perl")) 3447 continue; 3448 #endif 3449 #ifndef HAVE_LIBPYTHON_SUPPORT 3450 if (strstr(lang_path, "python")) 3451 continue; 3452 #endif 3453 3454 lang_dir = opendir(lang_path); 3455 if (!lang_dir) 3456 continue; 3457 3458 for_each_script(lang_path, lang_dir, script_dirent) { 3459 /* Skip those real time scripts: xxxtop.p[yl] */ 3460 if (strstr(script_dirent->d_name, "top.")) 3461 continue; 3462 if (i >= num) 3463 break; 3464 snprintf(scripts_path_array[i], pathlen, "%s/%s", 3465 lang_path, 3466 script_dirent->d_name); 3467 temp = strchr(script_dirent->d_name, '.'); 3468 snprintf(scripts_array[i], 3469 (temp - script_dirent->d_name) + 1, 3470 "%s", script_dirent->d_name); 3471 3472 if (check_ev_match(lang_path, 3473 scripts_array[i], session)) 3474 continue; 3475 3476 i++; 3477 } 3478 closedir(lang_dir); 3479 } 3480 3481 closedir(scripts_dir); 3482 perf_session__delete(session); 3483 return i; 3484 } 3485 3486 static char *get_script_path(const char *script_root, const char *suffix) 3487 { 3488 struct dirent *script_dirent, *lang_dirent; 3489 char scripts_path[MAXPATHLEN]; 3490 char script_path[MAXPATHLEN]; 3491 DIR *scripts_dir, *lang_dir; 3492 char lang_path[MAXPATHLEN]; 3493 char *__script_root; 3494 3495 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3496 3497 scripts_dir = opendir(scripts_path); 3498 if (!scripts_dir) 3499 return NULL; 3500 3501 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3502 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3503 lang_dirent->d_name); 3504 lang_dir = opendir(lang_path); 3505 if (!lang_dir) 3506 continue; 3507 3508 for_each_script(lang_path, lang_dir, script_dirent) { 3509 __script_root = get_script_root(script_dirent, suffix); 3510 if (__script_root && !strcmp(script_root, __script_root)) { 3511 free(__script_root); 3512 closedir(scripts_dir); 3513 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3514 lang_path, script_dirent->d_name); 3515 closedir(lang_dir); 3516 return strdup(script_path); 3517 } 3518 free(__script_root); 3519 } 3520 closedir(lang_dir); 3521 } 3522 closedir(scripts_dir); 3523 3524 return NULL; 3525 } 3526 3527 static bool is_top_script(const char *script_path) 3528 { 3529 return ends_with(script_path, "top") != NULL; 3530 } 3531 3532 static int has_required_arg(char *script_path) 3533 { 3534 struct script_desc *desc; 3535 int n_args = 0; 3536 char *p; 3537 3538 desc = script_desc__new(NULL); 3539 3540 if (read_script_info(desc, script_path)) 3541 goto out; 3542 3543 if (!desc->args) 3544 goto out; 3545 3546 for (p = desc->args; *p; p++) 3547 if (*p == '<') 3548 n_args++; 3549 out: 3550 script_desc__delete(desc); 3551 3552 return n_args; 3553 } 3554 3555 static int have_cmd(int argc, const char **argv) 3556 { 3557 char **__argv = malloc(sizeof(const char *) * argc); 3558 3559 if (!__argv) { 3560 pr_err("malloc failed\n"); 3561 return -1; 3562 } 3563 3564 memcpy(__argv, argv, sizeof(const char *) * argc); 3565 argc = parse_options(argc, (const char **)__argv, record_options, 3566 NULL, PARSE_OPT_STOP_AT_NON_OPTION); 3567 free(__argv); 3568 3569 system_wide = (argc == 0); 3570 3571 return 0; 3572 } 3573 3574 static void script__setup_sample_type(struct perf_script *script) 3575 { 3576 struct perf_session *session = script->session; 3577 u64 sample_type = evlist__combined_sample_type(session->evlist); 3578 3579 callchain_param_setup(sample_type, perf_env__arch(session->machines.host.env)); 3580 3581 if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) { 3582 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n" 3583 "Please apply --call-graph lbr when recording.\n"); 3584 script->stitch_lbr = false; 3585 } 3586 } 3587 3588 static int process_stat_round_event(struct perf_session *session, 3589 union perf_event *event) 3590 { 3591 struct perf_record_stat_round *round = &event->stat_round; 3592 struct evsel *counter; 3593 3594 evlist__for_each_entry(session->evlist, counter) { 3595 perf_stat_process_counter(&stat_config, counter); 3596 process_stat(counter, round->time); 3597 } 3598 3599 process_stat_interval(round->time); 3600 return 0; 3601 } 3602 3603 static int process_stat_config_event(struct perf_session *session __maybe_unused, 3604 union perf_event *event) 3605 { 3606 perf_event__read_stat_config(&stat_config, &event->stat_config); 3607 return 0; 3608 } 3609 3610 static int set_maps(struct perf_script *script) 3611 { 3612 struct evlist *evlist = script->session->evlist; 3613 3614 if (!script->cpus || !script->threads) 3615 return 0; 3616 3617 if (WARN_ONCE(script->allocated, "stats double allocation\n")) 3618 return -EINVAL; 3619 3620 perf_evlist__set_maps(&evlist->core, script->cpus, script->threads); 3621 3622 if (evlist__alloc_stats(evlist, true)) 3623 return -ENOMEM; 3624 3625 script->allocated = true; 3626 return 0; 3627 } 3628 3629 static 3630 int process_thread_map_event(struct perf_session *session, 3631 union perf_event *event) 3632 { 3633 struct perf_tool *tool = session->tool; 3634 struct perf_script *script = container_of(tool, struct perf_script, tool); 3635 3636 if (script->threads) { 3637 pr_warning("Extra thread map event, ignoring.\n"); 3638 return 0; 3639 } 3640 3641 script->threads = thread_map__new_event(&event->thread_map); 3642 if (!script->threads) 3643 return -ENOMEM; 3644 3645 return set_maps(script); 3646 } 3647 3648 static 3649 int process_cpu_map_event(struct perf_session *session, 3650 union perf_event *event) 3651 { 3652 struct perf_tool *tool = session->tool; 3653 struct perf_script *script = container_of(tool, struct perf_script, tool); 3654 3655 if (script->cpus) { 3656 pr_warning("Extra cpu map event, ignoring.\n"); 3657 return 0; 3658 } 3659 3660 script->cpus = cpu_map__new_data(&event->cpu_map.data); 3661 if (!script->cpus) 3662 return -ENOMEM; 3663 3664 return set_maps(script); 3665 } 3666 3667 static int process_feature_event(struct perf_session *session, 3668 union perf_event *event) 3669 { 3670 if (event->feat.feat_id < HEADER_LAST_FEATURE) 3671 return perf_event__process_feature(session, event); 3672 return 0; 3673 } 3674 3675 #ifdef HAVE_AUXTRACE_SUPPORT 3676 static int perf_script__process_auxtrace_info(struct perf_session *session, 3677 union perf_event *event) 3678 { 3679 struct perf_tool *tool = session->tool; 3680 3681 int ret = perf_event__process_auxtrace_info(session, event); 3682 3683 if (ret == 0) { 3684 struct perf_script *script = container_of(tool, struct perf_script, tool); 3685 3686 ret = perf_script__setup_per_event_dump(script); 3687 } 3688 3689 return ret; 3690 } 3691 #else 3692 #define perf_script__process_auxtrace_info 0 3693 #endif 3694 3695 static int parse_insn_trace(const struct option *opt __maybe_unused, 3696 const char *str __maybe_unused, 3697 int unset __maybe_unused) 3698 { 3699 parse_output_fields(NULL, "+insn,-event,-period", 0); 3700 itrace_parse_synth_opts(opt, "i0ns", 0); 3701 symbol_conf.nanosecs = true; 3702 return 0; 3703 } 3704 3705 static int parse_xed(const struct option *opt __maybe_unused, 3706 const char *str __maybe_unused, 3707 int unset __maybe_unused) 3708 { 3709 if (isatty(1)) 3710 force_pager("xed -F insn: -A -64 | less"); 3711 else 3712 force_pager("xed -F insn: -A -64"); 3713 return 0; 3714 } 3715 3716 static int parse_call_trace(const struct option *opt __maybe_unused, 3717 const char *str __maybe_unused, 3718 int unset __maybe_unused) 3719 { 3720 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0); 3721 itrace_parse_synth_opts(opt, "cewp", 0); 3722 symbol_conf.nanosecs = true; 3723 symbol_conf.pad_output_len_dso = 50; 3724 return 0; 3725 } 3726 3727 static int parse_callret_trace(const struct option *opt __maybe_unused, 3728 const char *str __maybe_unused, 3729 int unset __maybe_unused) 3730 { 3731 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0); 3732 itrace_parse_synth_opts(opt, "crewp", 0); 3733 symbol_conf.nanosecs = true; 3734 return 0; 3735 } 3736 3737 int cmd_script(int argc, const char **argv) 3738 { 3739 bool show_full_info = false; 3740 bool header = false; 3741 bool header_only = false; 3742 bool script_started = false; 3743 char *rec_script_path = NULL; 3744 char *rep_script_path = NULL; 3745 struct perf_session *session; 3746 struct itrace_synth_opts itrace_synth_opts = { 3747 .set = false, 3748 .default_no_sample = true, 3749 }; 3750 struct utsname uts; 3751 char *script_path = NULL; 3752 const char *dlfilter_file = NULL; 3753 const char **__argv; 3754 int i, j, err = 0; 3755 struct perf_script script = { 3756 .tool = { 3757 .sample = process_sample_event, 3758 .mmap = perf_event__process_mmap, 3759 .mmap2 = perf_event__process_mmap2, 3760 .comm = perf_event__process_comm, 3761 .namespaces = perf_event__process_namespaces, 3762 .cgroup = perf_event__process_cgroup, 3763 .exit = perf_event__process_exit, 3764 .fork = perf_event__process_fork, 3765 .attr = process_attr, 3766 .event_update = perf_event__process_event_update, 3767 .tracing_data = perf_event__process_tracing_data, 3768 .feature = process_feature_event, 3769 .build_id = perf_event__process_build_id, 3770 .id_index = perf_event__process_id_index, 3771 .auxtrace_info = perf_script__process_auxtrace_info, 3772 .auxtrace = perf_event__process_auxtrace, 3773 .auxtrace_error = perf_event__process_auxtrace_error, 3774 .stat = perf_event__process_stat_event, 3775 .stat_round = process_stat_round_event, 3776 .stat_config = process_stat_config_event, 3777 .thread_map = process_thread_map_event, 3778 .cpu_map = process_cpu_map_event, 3779 .throttle = process_throttle_event, 3780 .unthrottle = process_throttle_event, 3781 .ordered_events = true, 3782 .ordering_requires_timestamps = true, 3783 }, 3784 }; 3785 struct perf_data data = { 3786 .mode = PERF_DATA_MODE_READ, 3787 }; 3788 const struct option options[] = { 3789 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 3790 "dump raw trace in ASCII"), 3791 OPT_INCR('v', "verbose", &verbose, 3792 "be more verbose (show symbol address, etc)"), 3793 OPT_BOOLEAN('L', "Latency", &latency_format, 3794 "show latency attributes (irqs/preemption disabled, etc)"), 3795 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", 3796 list_available_scripts), 3797 OPT_CALLBACK_NOOPT(0, "list-dlfilters", NULL, NULL, "list available dlfilters", 3798 list_available_dlfilters), 3799 OPT_CALLBACK('s', "script", NULL, "name", 3800 "script file name (lang:script name, script name, or *)", 3801 parse_scriptname), 3802 OPT_STRING('g', "gen-script", &generate_script_lang, "lang", 3803 "generate perf-script.xx script in specified language"), 3804 OPT_STRING(0, "dlfilter", &dlfilter_file, "file", "filter .so file name"), 3805 OPT_CALLBACK(0, "dlarg", NULL, "argument", "filter argument", 3806 add_dlarg), 3807 OPT_STRING('i', "input", &input_name, "file", "input file name"), 3808 OPT_BOOLEAN('d', "debug-mode", &debug_mode, 3809 "do various checks like samples ordering and lost events"), 3810 OPT_BOOLEAN(0, "header", &header, "Show data header."), 3811 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."), 3812 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 3813 "file", "vmlinux pathname"), 3814 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 3815 "file", "kallsyms pathname"), 3816 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, 3817 "When printing symbols do not display call chain"), 3818 OPT_CALLBACK(0, "symfs", NULL, "directory", 3819 "Look for files with symbols relative to this directory", 3820 symbol__config_symfs), 3821 OPT_CALLBACK('F', "fields", NULL, "str", 3822 "comma separated output fields prepend with 'type:'. " 3823 "+field to add and -field to remove." 3824 "Valid types: hw,sw,trace,raw,synth. " 3825 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso," 3826 "addr,symoff,srcline,period,iregs,uregs,brstack," 3827 "brstacksym,flags,bpf-output,brstackinsn,brstackinsnlen,brstackoff," 3828 "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc,tod," 3829 "data_page_size,code_page_size,ins_lat", 3830 parse_output_fields), 3831 OPT_BOOLEAN('a', "all-cpus", &system_wide, 3832 "system-wide collection from all CPUs"), 3833 OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", 3834 "only consider symbols in these DSOs"), 3835 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 3836 "only consider these symbols"), 3837 OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range, 3838 "Use with -S to list traced records within address range"), 3839 OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL, 3840 "Decode instructions from itrace", parse_insn_trace), 3841 OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL, 3842 "Run xed disassembler on output", parse_xed), 3843 OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL, 3844 "Decode calls from from itrace", parse_call_trace), 3845 OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL, 3846 "Decode calls and returns from itrace", parse_callret_trace), 3847 OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]", 3848 "Only print symbols and callees with --call-trace/--call-ret-trace"), 3849 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]", 3850 "Stop display of callgraph at these symbols"), 3851 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), 3852 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 3853 "only display events for these comms"), 3854 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 3855 "only consider symbols in these pids"), 3856 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 3857 "only consider symbols in these tids"), 3858 OPT_UINTEGER(0, "max-stack", &scripting_max_stack, 3859 "Set the maximum stack depth when parsing the callchain, " 3860 "anything beyond the specified depth will be ignored. " 3861 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 3862 OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"), 3863 OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"), 3864 OPT_BOOLEAN('I', "show-info", &show_full_info, 3865 "display extended information from perf.data file"), 3866 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, 3867 "Show the path of [kernel.kallsyms]"), 3868 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, 3869 "Show the fork/comm/exit events"), 3870 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, 3871 "Show the mmap events"), 3872 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events, 3873 "Show context switch events (if recorded)"), 3874 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events, 3875 "Show namespace events (if recorded)"), 3876 OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events, 3877 "Show cgroup events (if recorded)"), 3878 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events, 3879 "Show lost events (if recorded)"), 3880 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events, 3881 "Show round events (if recorded)"), 3882 OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events, 3883 "Show bpf related events (if recorded)"), 3884 OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events, 3885 "Show text poke related events (if recorded)"), 3886 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump, 3887 "Dump trace output to files named by the monitored events"), 3888 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 3889 OPT_INTEGER(0, "max-blocks", &max_blocks, 3890 "Maximum number of code blocks to dump with brstackinsn"), 3891 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, 3892 "Use 9 decimal places when displaying time"), 3893 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 3894 "Instruction Tracing options\n" ITRACE_HELP, 3895 itrace_parse_synth_opts), 3896 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 3897 "Show full source file name path for source lines"), 3898 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 3899 "Enable symbol demangling"), 3900 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 3901 "Enable kernel symbol demangling"), 3902 OPT_STRING(0, "time", &script.time_str, "str", 3903 "Time span of interest (start,stop)"), 3904 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 3905 "Show inline function"), 3906 OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory", 3907 "guest mount directory under which every guest os" 3908 " instance has a subdir"), 3909 OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name, 3910 "file", "file saving guest os vmlinux"), 3911 OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms, 3912 "file", "file saving guest os /proc/kallsyms"), 3913 OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules, 3914 "file", "file saving guest os /proc/modules"), 3915 OPT_BOOLEAN(0, "guest-code", &symbol_conf.guest_code, 3916 "Guest code can be found in hypervisor process"), 3917 OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr, 3918 "Enable LBR callgraph stitching approach"), 3919 OPTS_EVSWITCH(&script.evswitch), 3920 OPT_END() 3921 }; 3922 const char * const script_subcommands[] = { "record", "report", NULL }; 3923 const char *script_usage[] = { 3924 "perf script [<options>]", 3925 "perf script [<options>] record <script> [<record-options>] <command>", 3926 "perf script [<options>] report <script> [script-args]", 3927 "perf script [<options>] <script> [<record-options>] <command>", 3928 "perf script [<options>] <top-script> [script-args]", 3929 NULL 3930 }; 3931 3932 perf_set_singlethreaded(); 3933 3934 setup_scripting(); 3935 3936 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage, 3937 PARSE_OPT_STOP_AT_NON_OPTION); 3938 3939 if (symbol_conf.guestmount || 3940 symbol_conf.default_guest_vmlinux_name || 3941 symbol_conf.default_guest_kallsyms || 3942 symbol_conf.default_guest_modules || 3943 symbol_conf.guest_code) { 3944 /* 3945 * Enable guest sample processing. 3946 */ 3947 perf_guest = true; 3948 } 3949 3950 data.path = input_name; 3951 data.force = symbol_conf.force; 3952 3953 if (symbol__validate_sym_arguments()) 3954 return -1; 3955 3956 if (argc > 1 && strlen(argv[0]) > 2 && strstarts("record", argv[0])) { 3957 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); 3958 if (!rec_script_path) 3959 return cmd_record(argc, argv); 3960 } 3961 3962 if (argc > 1 && strlen(argv[0]) > 2 && strstarts("report", argv[0])) { 3963 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); 3964 if (!rep_script_path) { 3965 fprintf(stderr, 3966 "Please specify a valid report script" 3967 "(see 'perf script -l' for listing)\n"); 3968 return -1; 3969 } 3970 } 3971 3972 if (reltime && deltatime) { 3973 fprintf(stderr, 3974 "reltime and deltatime - the two don't get along well. " 3975 "Please limit to --reltime or --deltatime.\n"); 3976 return -1; 3977 } 3978 3979 if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) && 3980 itrace_synth_opts.callchain_sz > scripting_max_stack) 3981 scripting_max_stack = itrace_synth_opts.callchain_sz; 3982 3983 /* make sure PERF_EXEC_PATH is set for scripts */ 3984 set_argv_exec_path(get_argv_exec_path()); 3985 3986 if (argc && !script_name && !rec_script_path && !rep_script_path) { 3987 int live_pipe[2]; 3988 int rep_args; 3989 pid_t pid; 3990 3991 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); 3992 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); 3993 3994 if (!rec_script_path && !rep_script_path) { 3995 script_name = find_script(argv[0]); 3996 if (script_name) { 3997 argc -= 1; 3998 argv += 1; 3999 goto script_found; 4000 } 4001 usage_with_options_msg(script_usage, options, 4002 "Couldn't find script `%s'\n\n See perf" 4003 " script -l for available scripts.\n", argv[0]); 4004 } 4005 4006 if (is_top_script(argv[0])) { 4007 rep_args = argc - 1; 4008 } else { 4009 int rec_args; 4010 4011 rep_args = has_required_arg(rep_script_path); 4012 rec_args = (argc - 1) - rep_args; 4013 if (rec_args < 0) { 4014 usage_with_options_msg(script_usage, options, 4015 "`%s' script requires options." 4016 "\n\n See perf script -l for available " 4017 "scripts and options.\n", argv[0]); 4018 } 4019 } 4020 4021 if (pipe(live_pipe) < 0) { 4022 perror("failed to create pipe"); 4023 return -1; 4024 } 4025 4026 pid = fork(); 4027 if (pid < 0) { 4028 perror("failed to fork"); 4029 return -1; 4030 } 4031 4032 if (!pid) { 4033 j = 0; 4034 4035 dup2(live_pipe[1], 1); 4036 close(live_pipe[0]); 4037 4038 if (is_top_script(argv[0])) { 4039 system_wide = true; 4040 } else if (!system_wide) { 4041 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { 4042 err = -1; 4043 goto out; 4044 } 4045 } 4046 4047 __argv = malloc((argc + 6) * sizeof(const char *)); 4048 if (!__argv) { 4049 pr_err("malloc failed\n"); 4050 err = -ENOMEM; 4051 goto out; 4052 } 4053 4054 __argv[j++] = "/bin/sh"; 4055 __argv[j++] = rec_script_path; 4056 if (system_wide) 4057 __argv[j++] = "-a"; 4058 __argv[j++] = "-q"; 4059 __argv[j++] = "-o"; 4060 __argv[j++] = "-"; 4061 for (i = rep_args + 1; i < argc; i++) 4062 __argv[j++] = argv[i]; 4063 __argv[j++] = NULL; 4064 4065 execvp("/bin/sh", (char **)__argv); 4066 free(__argv); 4067 exit(-1); 4068 } 4069 4070 dup2(live_pipe[0], 0); 4071 close(live_pipe[1]); 4072 4073 __argv = malloc((argc + 4) * sizeof(const char *)); 4074 if (!__argv) { 4075 pr_err("malloc failed\n"); 4076 err = -ENOMEM; 4077 goto out; 4078 } 4079 4080 j = 0; 4081 __argv[j++] = "/bin/sh"; 4082 __argv[j++] = rep_script_path; 4083 for (i = 1; i < rep_args + 1; i++) 4084 __argv[j++] = argv[i]; 4085 __argv[j++] = "-i"; 4086 __argv[j++] = "-"; 4087 __argv[j++] = NULL; 4088 4089 execvp("/bin/sh", (char **)__argv); 4090 free(__argv); 4091 exit(-1); 4092 } 4093 script_found: 4094 if (rec_script_path) 4095 script_path = rec_script_path; 4096 if (rep_script_path) 4097 script_path = rep_script_path; 4098 4099 if (script_path) { 4100 j = 0; 4101 4102 if (!rec_script_path) 4103 system_wide = false; 4104 else if (!system_wide) { 4105 if (have_cmd(argc - 1, &argv[1]) != 0) { 4106 err = -1; 4107 goto out; 4108 } 4109 } 4110 4111 __argv = malloc((argc + 2) * sizeof(const char *)); 4112 if (!__argv) { 4113 pr_err("malloc failed\n"); 4114 err = -ENOMEM; 4115 goto out; 4116 } 4117 4118 __argv[j++] = "/bin/sh"; 4119 __argv[j++] = script_path; 4120 if (system_wide) 4121 __argv[j++] = "-a"; 4122 for (i = 2; i < argc; i++) 4123 __argv[j++] = argv[i]; 4124 __argv[j++] = NULL; 4125 4126 execvp("/bin/sh", (char **)__argv); 4127 free(__argv); 4128 exit(-1); 4129 } 4130 4131 if (dlfilter_file) { 4132 dlfilter = dlfilter__new(dlfilter_file, dlargc, dlargv); 4133 if (!dlfilter) 4134 return -1; 4135 } 4136 4137 if (!script_name) { 4138 setup_pager(); 4139 use_browser = 0; 4140 } 4141 4142 session = perf_session__new(&data, &script.tool); 4143 if (IS_ERR(session)) 4144 return PTR_ERR(session); 4145 4146 if (header || header_only) { 4147 script.tool.show_feat_hdr = SHOW_FEAT_HEADER; 4148 perf_session__fprintf_info(session, stdout, show_full_info); 4149 if (header_only) 4150 goto out_delete; 4151 } 4152 if (show_full_info) 4153 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 4154 4155 if (symbol__init(&session->header.env) < 0) 4156 goto out_delete; 4157 4158 uname(&uts); 4159 if (data.is_pipe) { /* Assume pipe_mode indicates native_arch */ 4160 native_arch = true; 4161 } else if (session->header.env.arch) { 4162 if (!strcmp(uts.machine, session->header.env.arch)) 4163 native_arch = true; 4164 else if (!strcmp(uts.machine, "x86_64") && 4165 !strcmp(session->header.env.arch, "i386")) 4166 native_arch = true; 4167 } 4168 4169 script.session = session; 4170 script__setup_sample_type(&script); 4171 4172 if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) || 4173 symbol_conf.graph_function) 4174 itrace_synth_opts.thread_stack = true; 4175 4176 session->itrace_synth_opts = &itrace_synth_opts; 4177 4178 if (cpu_list) { 4179 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap); 4180 if (err < 0) 4181 goto out_delete; 4182 itrace_synth_opts.cpu_bitmap = cpu_bitmap; 4183 } 4184 4185 if (!no_callchain) 4186 symbol_conf.use_callchain = true; 4187 else 4188 symbol_conf.use_callchain = false; 4189 4190 if (session->tevent.pevent && 4191 tep_set_function_resolver(session->tevent.pevent, 4192 machine__resolve_kernel_addr, 4193 &session->machines.host) < 0) { 4194 pr_err("%s: failed to set libtraceevent function resolver\n", __func__); 4195 err = -1; 4196 goto out_delete; 4197 } 4198 4199 if (generate_script_lang) { 4200 struct stat perf_stat; 4201 int input; 4202 4203 if (output_set_by_user()) { 4204 fprintf(stderr, 4205 "custom fields not supported for generated scripts"); 4206 err = -EINVAL; 4207 goto out_delete; 4208 } 4209 4210 input = open(data.path, O_RDONLY); /* input_name */ 4211 if (input < 0) { 4212 err = -errno; 4213 perror("failed to open file"); 4214 goto out_delete; 4215 } 4216 4217 err = fstat(input, &perf_stat); 4218 if (err < 0) { 4219 perror("failed to stat file"); 4220 goto out_delete; 4221 } 4222 4223 if (!perf_stat.st_size) { 4224 fprintf(stderr, "zero-sized file, nothing to do!\n"); 4225 goto out_delete; 4226 } 4227 4228 scripting_ops = script_spec__lookup(generate_script_lang); 4229 if (!scripting_ops) { 4230 fprintf(stderr, "invalid language specifier"); 4231 err = -ENOENT; 4232 goto out_delete; 4233 } 4234 4235 err = scripting_ops->generate_script(session->tevent.pevent, 4236 "perf-script"); 4237 goto out_delete; 4238 } 4239 4240 err = dlfilter__start(dlfilter, session); 4241 if (err) 4242 goto out_delete; 4243 4244 if (script_name) { 4245 err = scripting_ops->start_script(script_name, argc, argv, session); 4246 if (err) 4247 goto out_delete; 4248 pr_debug("perf script started with script %s\n\n", script_name); 4249 script_started = true; 4250 } 4251 4252 4253 err = perf_session__check_output_opt(session); 4254 if (err < 0) 4255 goto out_delete; 4256 4257 if (script.time_str) { 4258 err = perf_time__parse_for_ranges_reltime(script.time_str, session, 4259 &script.ptime_range, 4260 &script.range_size, 4261 &script.range_num, 4262 reltime); 4263 if (err < 0) 4264 goto out_delete; 4265 4266 itrace_synth_opts__set_time_range(&itrace_synth_opts, 4267 script.ptime_range, 4268 script.range_num); 4269 } 4270 4271 err = evswitch__init(&script.evswitch, session->evlist, stderr); 4272 if (err) 4273 goto out_delete; 4274 4275 if (zstd_init(&(session->zstd_data), 0) < 0) 4276 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n"); 4277 4278 err = __cmd_script(&script); 4279 4280 flush_scripting(); 4281 4282 out_delete: 4283 if (script.ptime_range) { 4284 itrace_synth_opts__clear_time_range(&itrace_synth_opts); 4285 zfree(&script.ptime_range); 4286 } 4287 4288 zstd_fini(&(session->zstd_data)); 4289 evlist__free_stats(session->evlist); 4290 perf_session__delete(session); 4291 perf_script__exit(&script); 4292 4293 if (script_started) 4294 cleanup_scripting(); 4295 dlfilter__cleanup(dlfilter); 4296 free_dlarg(); 4297 out: 4298 return err; 4299 } 4300