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 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp) 1746 { 1747 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample); 1748 int len; 1749 1750 if (perf_sample__bad_synth_size(sample, *data)) 1751 return 0; 1752 1753 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ", 1754 data->ip, le64_to_cpu(data->payload)); 1755 return len + perf_sample__fprintf_pt_spacing(len, fp); 1756 } 1757 1758 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp) 1759 { 1760 struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample); 1761 int len; 1762 1763 if (perf_sample__bad_synth_size(sample, *data)) 1764 return 0; 1765 1766 len = fprintf(fp, " hints: %#x extensions: %#x ", 1767 data->hints, data->extensions); 1768 return len + perf_sample__fprintf_pt_spacing(len, fp); 1769 } 1770 1771 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp) 1772 { 1773 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample); 1774 int len; 1775 1776 if (perf_sample__bad_synth_size(sample, *data)) 1777 return 0; 1778 1779 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ", 1780 data->hw, data->cstate, data->subcstate); 1781 return len + perf_sample__fprintf_pt_spacing(len, fp); 1782 } 1783 1784 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp) 1785 { 1786 struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample); 1787 int len; 1788 1789 if (perf_sample__bad_synth_size(sample, *data)) 1790 return 0; 1791 1792 len = fprintf(fp, " IP: %u ", data->ip); 1793 return len + perf_sample__fprintf_pt_spacing(len, fp); 1794 } 1795 1796 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp) 1797 { 1798 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample); 1799 int len; 1800 1801 if (perf_sample__bad_synth_size(sample, *data)) 1802 return 0; 1803 1804 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ", 1805 data->deepest_cstate, data->last_cstate, 1806 data->wake_reason); 1807 return len + perf_sample__fprintf_pt_spacing(len, fp); 1808 } 1809 1810 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp) 1811 { 1812 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample); 1813 unsigned int percent, freq; 1814 int len; 1815 1816 if (perf_sample__bad_synth_size(sample, *data)) 1817 return 0; 1818 1819 freq = (le32_to_cpu(data->freq) + 500) / 1000; 1820 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq); 1821 if (data->max_nonturbo) { 1822 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10; 1823 len += fprintf(fp, "(%3u%%) ", percent); 1824 } 1825 return len + perf_sample__fprintf_pt_spacing(len, fp); 1826 } 1827 1828 static int perf_sample__fprintf_synth_psb(struct perf_sample *sample, FILE *fp) 1829 { 1830 struct perf_synth_intel_psb *data = perf_sample__synth_ptr(sample); 1831 int len; 1832 1833 if (perf_sample__bad_synth_size(sample, *data)) 1834 return 0; 1835 1836 len = fprintf(fp, " psb offs: %#" PRIx64, data->offset); 1837 return len + perf_sample__fprintf_pt_spacing(len, fp); 1838 } 1839 1840 /* Intel PT Event Trace */ 1841 static int perf_sample__fprintf_synth_evt(struct perf_sample *sample, FILE *fp) 1842 { 1843 struct perf_synth_intel_evt *data = perf_sample__synth_ptr(sample); 1844 const char *cfe[32] = {NULL, "INTR", "IRET", "SMI", "RSM", "SIPI", 1845 "INIT", "VMENTRY", "VMEXIT", "VMEXIT_INTR", 1846 "SHUTDOWN"}; 1847 const char *evd[64] = {"PFA", "VMXQ", "VMXR"}; 1848 const char *s; 1849 int len, i; 1850 1851 if (perf_sample__bad_synth_size(sample, *data)) 1852 return 0; 1853 1854 s = cfe[data->type]; 1855 if (s) { 1856 len = fprintf(fp, " cfe: %s IP: %d vector: %u", 1857 s, data->ip, data->vector); 1858 } else { 1859 len = fprintf(fp, " cfe: %u IP: %d vector: %u", 1860 data->type, data->ip, data->vector); 1861 } 1862 for (i = 0; i < data->evd_cnt; i++) { 1863 unsigned int et = data->evd[i].evd_type & 0x3f; 1864 1865 s = evd[et]; 1866 if (s) { 1867 len += fprintf(fp, " %s: %#" PRIx64, 1868 s, data->evd[i].payload); 1869 } else { 1870 len += fprintf(fp, " EVD_%u: %#" PRIx64, 1871 et, data->evd[i].payload); 1872 } 1873 } 1874 return len + perf_sample__fprintf_pt_spacing(len, fp); 1875 } 1876 1877 static int perf_sample__fprintf_synth_iflag_chg(struct perf_sample *sample, FILE *fp) 1878 { 1879 struct perf_synth_intel_iflag_chg *data = perf_sample__synth_ptr(sample); 1880 int len; 1881 1882 if (perf_sample__bad_synth_size(sample, *data)) 1883 return 0; 1884 1885 len = fprintf(fp, " IFLAG: %d->%d %s branch", !data->iflag, data->iflag, 1886 data->via_branch ? "via" : "non"); 1887 return len + perf_sample__fprintf_pt_spacing(len, fp); 1888 } 1889 1890 static int perf_sample__fprintf_synth(struct perf_sample *sample, 1891 struct evsel *evsel, FILE *fp) 1892 { 1893 switch (evsel->core.attr.config) { 1894 case PERF_SYNTH_INTEL_PTWRITE: 1895 return perf_sample__fprintf_synth_ptwrite(sample, fp); 1896 case PERF_SYNTH_INTEL_MWAIT: 1897 return perf_sample__fprintf_synth_mwait(sample, fp); 1898 case PERF_SYNTH_INTEL_PWRE: 1899 return perf_sample__fprintf_synth_pwre(sample, fp); 1900 case PERF_SYNTH_INTEL_EXSTOP: 1901 return perf_sample__fprintf_synth_exstop(sample, fp); 1902 case PERF_SYNTH_INTEL_PWRX: 1903 return perf_sample__fprintf_synth_pwrx(sample, fp); 1904 case PERF_SYNTH_INTEL_CBR: 1905 return perf_sample__fprintf_synth_cbr(sample, fp); 1906 case PERF_SYNTH_INTEL_PSB: 1907 return perf_sample__fprintf_synth_psb(sample, fp); 1908 case PERF_SYNTH_INTEL_EVT: 1909 return perf_sample__fprintf_synth_evt(sample, fp); 1910 case PERF_SYNTH_INTEL_IFLAG_CHG: 1911 return perf_sample__fprintf_synth_iflag_chg(sample, fp); 1912 default: 1913 break; 1914 } 1915 1916 return 0; 1917 } 1918 1919 static int evlist__max_name_len(struct evlist *evlist) 1920 { 1921 struct evsel *evsel; 1922 int max = 0; 1923 1924 evlist__for_each_entry(evlist, evsel) { 1925 int len = strlen(evsel__name(evsel)); 1926 1927 max = MAX(len, max); 1928 } 1929 1930 return max; 1931 } 1932 1933 static int data_src__fprintf(u64 data_src, FILE *fp) 1934 { 1935 struct mem_info mi = { .data_src.val = data_src }; 1936 char decode[100]; 1937 char out[100]; 1938 static int maxlen; 1939 int len; 1940 1941 perf_script__meminfo_scnprintf(decode, 100, &mi); 1942 1943 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode); 1944 if (maxlen < len) 1945 maxlen = len; 1946 1947 return fprintf(fp, "%-*s", maxlen, out); 1948 } 1949 1950 struct metric_ctx { 1951 struct perf_sample *sample; 1952 struct thread *thread; 1953 struct evsel *evsel; 1954 FILE *fp; 1955 }; 1956 1957 static void script_print_metric(struct perf_stat_config *config __maybe_unused, 1958 void *ctx, const char *color, 1959 const char *fmt, 1960 const char *unit, double val) 1961 { 1962 struct metric_ctx *mctx = ctx; 1963 1964 if (!fmt) 1965 return; 1966 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, 1967 PERF_RECORD_SAMPLE, mctx->fp); 1968 fputs("\tmetric: ", mctx->fp); 1969 if (color) 1970 color_fprintf(mctx->fp, color, fmt, val); 1971 else 1972 printf(fmt, val); 1973 fprintf(mctx->fp, " %s\n", unit); 1974 } 1975 1976 static void script_new_line(struct perf_stat_config *config __maybe_unused, 1977 void *ctx) 1978 { 1979 struct metric_ctx *mctx = ctx; 1980 1981 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, 1982 PERF_RECORD_SAMPLE, mctx->fp); 1983 fputs("\tmetric: ", mctx->fp); 1984 } 1985 1986 static void perf_sample__fprint_metric(struct perf_script *script, 1987 struct thread *thread, 1988 struct evsel *evsel, 1989 struct perf_sample *sample, 1990 FILE *fp) 1991 { 1992 struct evsel *leader = evsel__leader(evsel); 1993 struct perf_stat_output_ctx ctx = { 1994 .print_metric = script_print_metric, 1995 .new_line = script_new_line, 1996 .ctx = &(struct metric_ctx) { 1997 .sample = sample, 1998 .thread = thread, 1999 .evsel = evsel, 2000 .fp = fp, 2001 }, 2002 .force_header = false, 2003 }; 2004 struct evsel *ev2; 2005 u64 val; 2006 2007 if (!evsel->stats) 2008 evlist__alloc_stats(script->session->evlist, false); 2009 if (evsel_script(leader)->gnum++ == 0) 2010 perf_stat__reset_shadow_stats(); 2011 val = sample->period * evsel->scale; 2012 perf_stat__update_shadow_stats(evsel, 2013 val, 2014 sample->cpu, 2015 &rt_stat); 2016 evsel_script(evsel)->val = val; 2017 if (evsel_script(leader)->gnum == leader->core.nr_members) { 2018 for_each_group_member (ev2, leader) { 2019 perf_stat__print_shadow_stats(&stat_config, ev2, 2020 evsel_script(ev2)->val, 2021 sample->cpu, 2022 &ctx, 2023 NULL, 2024 &rt_stat); 2025 } 2026 evsel_script(leader)->gnum = 0; 2027 } 2028 } 2029 2030 static bool show_event(struct perf_sample *sample, 2031 struct evsel *evsel, 2032 struct thread *thread, 2033 struct addr_location *al, 2034 struct addr_location *addr_al) 2035 { 2036 int depth = thread_stack__depth(thread, sample->cpu); 2037 2038 if (!symbol_conf.graph_function) 2039 return true; 2040 2041 if (thread->filter) { 2042 if (depth <= thread->filter_entry_depth) { 2043 thread->filter = false; 2044 return false; 2045 } 2046 return true; 2047 } else { 2048 const char *s = symbol_conf.graph_function; 2049 u64 ip; 2050 const char *name = resolve_branch_sym(sample, evsel, thread, al, addr_al, 2051 &ip); 2052 unsigned nlen; 2053 2054 if (!name) 2055 return false; 2056 nlen = strlen(name); 2057 while (*s) { 2058 unsigned len = strcspn(s, ","); 2059 if (nlen == len && !strncmp(name, s, len)) { 2060 thread->filter = true; 2061 thread->filter_entry_depth = depth; 2062 return true; 2063 } 2064 s += len; 2065 if (*s == ',') 2066 s++; 2067 } 2068 return false; 2069 } 2070 } 2071 2072 static void process_event(struct perf_script *script, 2073 struct perf_sample *sample, struct evsel *evsel, 2074 struct addr_location *al, 2075 struct addr_location *addr_al, 2076 struct machine *machine) 2077 { 2078 struct thread *thread = al->thread; 2079 struct perf_event_attr *attr = &evsel->core.attr; 2080 unsigned int type = output_type(attr->type); 2081 struct evsel_script *es = evsel->priv; 2082 FILE *fp = es->fp; 2083 char str[PAGE_SIZE_NAME_LEN]; 2084 const char *arch = perf_env__arch(machine->env); 2085 2086 if (output[type].fields == 0) 2087 return; 2088 2089 ++es->samples; 2090 2091 perf_sample__fprintf_start(script, sample, thread, evsel, 2092 PERF_RECORD_SAMPLE, fp); 2093 2094 if (PRINT_FIELD(PERIOD)) 2095 fprintf(fp, "%10" PRIu64 " ", sample->period); 2096 2097 if (PRINT_FIELD(EVNAME)) { 2098 const char *evname = evsel__name(evsel); 2099 2100 if (!script->name_width) 2101 script->name_width = evlist__max_name_len(script->session->evlist); 2102 2103 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]"); 2104 } 2105 2106 if (print_flags) 2107 perf_sample__fprintf_flags(sample->flags, fp); 2108 2109 if (is_bts_event(attr)) { 2110 perf_sample__fprintf_bts(sample, evsel, thread, al, addr_al, machine, fp); 2111 return; 2112 } 2113 2114 if (PRINT_FIELD(TRACE) && sample->raw_data) { 2115 event_format__fprintf(evsel->tp_format, sample->cpu, 2116 sample->raw_data, sample->raw_size, fp); 2117 } 2118 2119 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH)) 2120 perf_sample__fprintf_synth(sample, evsel, fp); 2121 2122 if (PRINT_FIELD(ADDR)) 2123 perf_sample__fprintf_addr(sample, thread, attr, fp); 2124 2125 if (PRINT_FIELD(DATA_SRC)) 2126 data_src__fprintf(sample->data_src, fp); 2127 2128 if (PRINT_FIELD(WEIGHT)) 2129 fprintf(fp, "%16" PRIu64, sample->weight); 2130 2131 if (PRINT_FIELD(INS_LAT)) 2132 fprintf(fp, "%16" PRIu16, sample->ins_lat); 2133 2134 if (PRINT_FIELD(IP)) { 2135 struct callchain_cursor *cursor = NULL; 2136 2137 if (script->stitch_lbr) 2138 al->thread->lbr_stitch_enable = true; 2139 2140 if (symbol_conf.use_callchain && sample->callchain && 2141 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 2142 sample, NULL, NULL, scripting_max_stack) == 0) 2143 cursor = &callchain_cursor; 2144 2145 fputc(cursor ? '\n' : ' ', fp); 2146 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, 2147 symbol_conf.bt_stop_list, fp); 2148 } 2149 2150 if (PRINT_FIELD(IREGS)) 2151 perf_sample__fprintf_iregs(sample, attr, arch, fp); 2152 2153 if (PRINT_FIELD(UREGS)) 2154 perf_sample__fprintf_uregs(sample, attr, arch, fp); 2155 2156 if (PRINT_FIELD(BRSTACK)) 2157 perf_sample__fprintf_brstack(sample, thread, attr, fp); 2158 else if (PRINT_FIELD(BRSTACKSYM)) 2159 perf_sample__fprintf_brstacksym(sample, thread, attr, fp); 2160 else if (PRINT_FIELD(BRSTACKOFF)) 2161 perf_sample__fprintf_brstackoff(sample, thread, attr, fp); 2162 2163 if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT)) 2164 perf_sample__fprintf_bpf_output(sample, fp); 2165 perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 2166 2167 if (PRINT_FIELD(PHYS_ADDR)) 2168 fprintf(fp, "%16" PRIx64, sample->phys_addr); 2169 2170 if (PRINT_FIELD(DATA_PAGE_SIZE)) 2171 fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str)); 2172 2173 if (PRINT_FIELD(CODE_PAGE_SIZE)) 2174 fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str)); 2175 2176 perf_sample__fprintf_ipc(sample, attr, fp); 2177 2178 fprintf(fp, "\n"); 2179 2180 if (PRINT_FIELD(SRCCODE)) { 2181 if (map__fprintf_srccode(al->map, al->addr, stdout, 2182 &thread->srccode_state)) 2183 printf("\n"); 2184 } 2185 2186 if (PRINT_FIELD(METRIC)) 2187 perf_sample__fprint_metric(script, thread, evsel, sample, fp); 2188 2189 if (verbose) 2190 fflush(fp); 2191 } 2192 2193 static struct scripting_ops *scripting_ops; 2194 2195 static void __process_stat(struct evsel *counter, u64 tstamp) 2196 { 2197 int nthreads = perf_thread_map__nr(counter->core.threads); 2198 int idx, thread; 2199 struct perf_cpu cpu; 2200 static int header_printed; 2201 2202 if (counter->core.system_wide) 2203 nthreads = 1; 2204 2205 if (!header_printed) { 2206 printf("%3s %8s %15s %15s %15s %15s %s\n", 2207 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT"); 2208 header_printed = 1; 2209 } 2210 2211 for (thread = 0; thread < nthreads; thread++) { 2212 perf_cpu_map__for_each_cpu(cpu, idx, evsel__cpus(counter)) { 2213 struct perf_counts_values *counts; 2214 2215 counts = perf_counts(counter->counts, idx, thread); 2216 2217 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n", 2218 cpu.cpu, 2219 perf_thread_map__pid(counter->core.threads, thread), 2220 counts->val, 2221 counts->ena, 2222 counts->run, 2223 tstamp, 2224 evsel__name(counter)); 2225 } 2226 } 2227 } 2228 2229 static void process_stat(struct evsel *counter, u64 tstamp) 2230 { 2231 if (scripting_ops && scripting_ops->process_stat) 2232 scripting_ops->process_stat(&stat_config, counter, tstamp); 2233 else 2234 __process_stat(counter, tstamp); 2235 } 2236 2237 static void process_stat_interval(u64 tstamp) 2238 { 2239 if (scripting_ops && scripting_ops->process_stat_interval) 2240 scripting_ops->process_stat_interval(tstamp); 2241 } 2242 2243 static void setup_scripting(void) 2244 { 2245 setup_perl_scripting(); 2246 setup_python_scripting(); 2247 } 2248 2249 static int flush_scripting(void) 2250 { 2251 return scripting_ops ? scripting_ops->flush_script() : 0; 2252 } 2253 2254 static int cleanup_scripting(void) 2255 { 2256 pr_debug("\nperf script stopped\n"); 2257 2258 return scripting_ops ? scripting_ops->stop_script() : 0; 2259 } 2260 2261 static bool filter_cpu(struct perf_sample *sample) 2262 { 2263 if (cpu_list && sample->cpu != (u32)-1) 2264 return !test_bit(sample->cpu, cpu_bitmap); 2265 return false; 2266 } 2267 2268 static int process_sample_event(struct perf_tool *tool, 2269 union perf_event *event, 2270 struct perf_sample *sample, 2271 struct evsel *evsel, 2272 struct machine *machine) 2273 { 2274 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2275 struct addr_location al; 2276 struct addr_location addr_al; 2277 int ret = 0; 2278 2279 /* Set thread to NULL to indicate addr_al and al are not initialized */ 2280 addr_al.thread = NULL; 2281 al.thread = NULL; 2282 2283 ret = dlfilter__filter_event_early(dlfilter, event, sample, evsel, machine, &al, &addr_al); 2284 if (ret) { 2285 if (ret > 0) 2286 ret = 0; 2287 goto out_put; 2288 } 2289 2290 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num, 2291 sample->time)) { 2292 goto out_put; 2293 } 2294 2295 if (debug_mode) { 2296 if (sample->time < last_timestamp) { 2297 pr_err("Samples misordered, previous: %" PRIu64 2298 " this: %" PRIu64 "\n", last_timestamp, 2299 sample->time); 2300 nr_unordered++; 2301 } 2302 last_timestamp = sample->time; 2303 goto out_put; 2304 } 2305 2306 if (filter_cpu(sample)) 2307 goto out_put; 2308 2309 if (!al.thread && machine__resolve(machine, &al, sample) < 0) { 2310 pr_err("problem processing %d event, skipping it.\n", 2311 event->header.type); 2312 ret = -1; 2313 goto out_put; 2314 } 2315 2316 if (al.filtered) 2317 goto out_put; 2318 2319 if (!show_event(sample, evsel, al.thread, &al, &addr_al)) 2320 goto out_put; 2321 2322 if (evswitch__discard(&scr->evswitch, evsel)) 2323 goto out_put; 2324 2325 ret = dlfilter__filter_event(dlfilter, event, sample, evsel, machine, &al, &addr_al); 2326 if (ret) { 2327 if (ret > 0) 2328 ret = 0; 2329 goto out_put; 2330 } 2331 2332 if (scripting_ops) { 2333 struct addr_location *addr_al_ptr = NULL; 2334 2335 if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 2336 sample_addr_correlates_sym(&evsel->core.attr)) { 2337 if (!addr_al.thread) 2338 thread__resolve(al.thread, &addr_al, sample); 2339 addr_al_ptr = &addr_al; 2340 } 2341 scripting_ops->process_event(event, sample, evsel, &al, addr_al_ptr); 2342 } else { 2343 process_event(scr, sample, evsel, &al, &addr_al, machine); 2344 } 2345 2346 out_put: 2347 if (al.thread) 2348 addr_location__put(&al); 2349 return ret; 2350 } 2351 2352 static int process_attr(struct perf_tool *tool, union perf_event *event, 2353 struct evlist **pevlist) 2354 { 2355 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2356 struct evlist *evlist; 2357 struct evsel *evsel, *pos; 2358 u64 sample_type; 2359 int err; 2360 static struct evsel_script *es; 2361 2362 err = perf_event__process_attr(tool, event, pevlist); 2363 if (err) 2364 return err; 2365 2366 evlist = *pevlist; 2367 evsel = evlist__last(*pevlist); 2368 2369 if (!evsel->priv) { 2370 if (scr->per_event_dump) { 2371 evsel->priv = evsel_script__new(evsel, scr->session->data); 2372 } else { 2373 es = zalloc(sizeof(*es)); 2374 if (!es) 2375 return -ENOMEM; 2376 es->fp = stdout; 2377 evsel->priv = es; 2378 } 2379 } 2380 2381 if (evsel->core.attr.type >= PERF_TYPE_MAX && 2382 evsel->core.attr.type != PERF_TYPE_SYNTH) 2383 return 0; 2384 2385 evlist__for_each_entry(evlist, pos) { 2386 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel) 2387 return 0; 2388 } 2389 2390 if (evsel->core.attr.sample_type) { 2391 err = evsel__check_attr(evsel, scr->session); 2392 if (err) 2393 return err; 2394 } 2395 2396 /* 2397 * Check if we need to enable callchains based 2398 * on events sample_type. 2399 */ 2400 sample_type = evlist__combined_sample_type(evlist); 2401 callchain_param_setup(sample_type, perf_env__arch((*pevlist)->env)); 2402 2403 /* Enable fields for callchain entries */ 2404 if (symbol_conf.use_callchain && 2405 (sample_type & PERF_SAMPLE_CALLCHAIN || 2406 sample_type & PERF_SAMPLE_BRANCH_STACK || 2407 (sample_type & PERF_SAMPLE_REGS_USER && 2408 sample_type & PERF_SAMPLE_STACK_USER))) { 2409 int type = output_type(evsel->core.attr.type); 2410 2411 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP)) 2412 output[type].fields |= PERF_OUTPUT_IP; 2413 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM)) 2414 output[type].fields |= PERF_OUTPUT_SYM; 2415 } 2416 set_print_ip_opts(&evsel->core.attr); 2417 return 0; 2418 } 2419 2420 static int print_event_with_time(struct perf_tool *tool, 2421 union perf_event *event, 2422 struct perf_sample *sample, 2423 struct machine *machine, 2424 pid_t pid, pid_t tid, u64 timestamp) 2425 { 2426 struct perf_script *script = container_of(tool, struct perf_script, tool); 2427 struct perf_session *session = script->session; 2428 struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id); 2429 struct thread *thread = NULL; 2430 2431 if (evsel && !evsel->core.attr.sample_id_all) { 2432 sample->cpu = 0; 2433 sample->time = timestamp; 2434 sample->pid = pid; 2435 sample->tid = tid; 2436 } 2437 2438 if (filter_cpu(sample)) 2439 return 0; 2440 2441 if (tid != -1) 2442 thread = machine__findnew_thread(machine, pid, tid); 2443 2444 if (evsel) { 2445 perf_sample__fprintf_start(script, sample, thread, evsel, 2446 event->header.type, stdout); 2447 } 2448 2449 perf_event__fprintf(event, machine, stdout); 2450 2451 thread__put(thread); 2452 2453 return 0; 2454 } 2455 2456 static int print_event(struct perf_tool *tool, union perf_event *event, 2457 struct perf_sample *sample, struct machine *machine, 2458 pid_t pid, pid_t tid) 2459 { 2460 return print_event_with_time(tool, event, sample, machine, pid, tid, 0); 2461 } 2462 2463 static int process_comm_event(struct perf_tool *tool, 2464 union perf_event *event, 2465 struct perf_sample *sample, 2466 struct machine *machine) 2467 { 2468 if (perf_event__process_comm(tool, event, sample, machine) < 0) 2469 return -1; 2470 2471 return print_event(tool, event, sample, machine, event->comm.pid, 2472 event->comm.tid); 2473 } 2474 2475 static int process_namespaces_event(struct perf_tool *tool, 2476 union perf_event *event, 2477 struct perf_sample *sample, 2478 struct machine *machine) 2479 { 2480 if (perf_event__process_namespaces(tool, event, sample, machine) < 0) 2481 return -1; 2482 2483 return print_event(tool, event, sample, machine, event->namespaces.pid, 2484 event->namespaces.tid); 2485 } 2486 2487 static int process_cgroup_event(struct perf_tool *tool, 2488 union perf_event *event, 2489 struct perf_sample *sample, 2490 struct machine *machine) 2491 { 2492 if (perf_event__process_cgroup(tool, event, sample, machine) < 0) 2493 return -1; 2494 2495 return print_event(tool, event, sample, machine, sample->pid, 2496 sample->tid); 2497 } 2498 2499 static int process_fork_event(struct perf_tool *tool, 2500 union perf_event *event, 2501 struct perf_sample *sample, 2502 struct machine *machine) 2503 { 2504 if (perf_event__process_fork(tool, event, sample, machine) < 0) 2505 return -1; 2506 2507 return print_event_with_time(tool, event, sample, machine, 2508 event->fork.pid, event->fork.tid, 2509 event->fork.time); 2510 } 2511 static int process_exit_event(struct perf_tool *tool, 2512 union perf_event *event, 2513 struct perf_sample *sample, 2514 struct machine *machine) 2515 { 2516 /* Print before 'exit' deletes anything */ 2517 if (print_event_with_time(tool, event, sample, machine, event->fork.pid, 2518 event->fork.tid, event->fork.time)) 2519 return -1; 2520 2521 return perf_event__process_exit(tool, event, sample, machine); 2522 } 2523 2524 static int process_mmap_event(struct perf_tool *tool, 2525 union perf_event *event, 2526 struct perf_sample *sample, 2527 struct machine *machine) 2528 { 2529 if (perf_event__process_mmap(tool, event, sample, machine) < 0) 2530 return -1; 2531 2532 return print_event(tool, event, sample, machine, event->mmap.pid, 2533 event->mmap.tid); 2534 } 2535 2536 static int process_mmap2_event(struct perf_tool *tool, 2537 union perf_event *event, 2538 struct perf_sample *sample, 2539 struct machine *machine) 2540 { 2541 if (perf_event__process_mmap2(tool, event, sample, machine) < 0) 2542 return -1; 2543 2544 return print_event(tool, event, sample, machine, event->mmap2.pid, 2545 event->mmap2.tid); 2546 } 2547 2548 static int process_switch_event(struct perf_tool *tool, 2549 union perf_event *event, 2550 struct perf_sample *sample, 2551 struct machine *machine) 2552 { 2553 struct perf_script *script = container_of(tool, struct perf_script, tool); 2554 2555 if (perf_event__process_switch(tool, event, sample, machine) < 0) 2556 return -1; 2557 2558 if (scripting_ops && scripting_ops->process_switch && !filter_cpu(sample)) 2559 scripting_ops->process_switch(event, sample, machine); 2560 2561 if (!script->show_switch_events) 2562 return 0; 2563 2564 return print_event(tool, event, sample, machine, sample->pid, 2565 sample->tid); 2566 } 2567 2568 static int process_auxtrace_error(struct perf_session *session, 2569 union perf_event *event) 2570 { 2571 if (scripting_ops && scripting_ops->process_auxtrace_error) { 2572 scripting_ops->process_auxtrace_error(session, event); 2573 return 0; 2574 } 2575 2576 return perf_event__process_auxtrace_error(session, event); 2577 } 2578 2579 static int 2580 process_lost_event(struct perf_tool *tool, 2581 union perf_event *event, 2582 struct perf_sample *sample, 2583 struct machine *machine) 2584 { 2585 return print_event(tool, event, sample, machine, sample->pid, 2586 sample->tid); 2587 } 2588 2589 static int 2590 process_throttle_event(struct perf_tool *tool __maybe_unused, 2591 union perf_event *event, 2592 struct perf_sample *sample, 2593 struct machine *machine) 2594 { 2595 if (scripting_ops && scripting_ops->process_throttle) 2596 scripting_ops->process_throttle(event, sample, machine); 2597 return 0; 2598 } 2599 2600 static int 2601 process_finished_round_event(struct perf_tool *tool __maybe_unused, 2602 union perf_event *event, 2603 struct ordered_events *oe __maybe_unused) 2604 2605 { 2606 perf_event__fprintf(event, NULL, stdout); 2607 return 0; 2608 } 2609 2610 static int 2611 process_bpf_events(struct perf_tool *tool __maybe_unused, 2612 union perf_event *event, 2613 struct perf_sample *sample, 2614 struct machine *machine) 2615 { 2616 if (machine__process_ksymbol(machine, event, sample) < 0) 2617 return -1; 2618 2619 return print_event(tool, event, sample, machine, sample->pid, 2620 sample->tid); 2621 } 2622 2623 static int process_text_poke_events(struct perf_tool *tool, 2624 union perf_event *event, 2625 struct perf_sample *sample, 2626 struct machine *machine) 2627 { 2628 if (perf_event__process_text_poke(tool, event, sample, machine) < 0) 2629 return -1; 2630 2631 return print_event(tool, event, sample, machine, sample->pid, 2632 sample->tid); 2633 } 2634 2635 static void sig_handler(int sig __maybe_unused) 2636 { 2637 session_done = 1; 2638 } 2639 2640 static void perf_script__fclose_per_event_dump(struct perf_script *script) 2641 { 2642 struct evlist *evlist = script->session->evlist; 2643 struct evsel *evsel; 2644 2645 evlist__for_each_entry(evlist, evsel) { 2646 if (!evsel->priv) 2647 break; 2648 evsel_script__delete(evsel->priv); 2649 evsel->priv = NULL; 2650 } 2651 } 2652 2653 static int perf_script__fopen_per_event_dump(struct perf_script *script) 2654 { 2655 struct evsel *evsel; 2656 2657 evlist__for_each_entry(script->session->evlist, evsel) { 2658 /* 2659 * Already setup? I.e. we may be called twice in cases like 2660 * Intel PT, one for the intel_pt// and dummy events, then 2661 * for the evsels synthesized from the auxtrace info. 2662 * 2663 * Ses perf_script__process_auxtrace_info. 2664 */ 2665 if (evsel->priv != NULL) 2666 continue; 2667 2668 evsel->priv = evsel_script__new(evsel, script->session->data); 2669 if (evsel->priv == NULL) 2670 goto out_err_fclose; 2671 } 2672 2673 return 0; 2674 2675 out_err_fclose: 2676 perf_script__fclose_per_event_dump(script); 2677 return -1; 2678 } 2679 2680 static int perf_script__setup_per_event_dump(struct perf_script *script) 2681 { 2682 struct evsel *evsel; 2683 static struct evsel_script es_stdout; 2684 2685 if (script->per_event_dump) 2686 return perf_script__fopen_per_event_dump(script); 2687 2688 es_stdout.fp = stdout; 2689 2690 evlist__for_each_entry(script->session->evlist, evsel) 2691 evsel->priv = &es_stdout; 2692 2693 return 0; 2694 } 2695 2696 static void perf_script__exit_per_event_dump_stats(struct perf_script *script) 2697 { 2698 struct evsel *evsel; 2699 2700 evlist__for_each_entry(script->session->evlist, evsel) { 2701 struct evsel_script *es = evsel->priv; 2702 2703 evsel_script__fprintf(es, stdout); 2704 evsel_script__delete(es); 2705 evsel->priv = NULL; 2706 } 2707 } 2708 2709 static void perf_script__exit(struct perf_script *script) 2710 { 2711 perf_thread_map__put(script->threads); 2712 perf_cpu_map__put(script->cpus); 2713 } 2714 2715 static int __cmd_script(struct perf_script *script) 2716 { 2717 int ret; 2718 2719 signal(SIGINT, sig_handler); 2720 2721 perf_stat__init_shadow_stats(); 2722 2723 /* override event processing functions */ 2724 if (script->show_task_events) { 2725 script->tool.comm = process_comm_event; 2726 script->tool.fork = process_fork_event; 2727 script->tool.exit = process_exit_event; 2728 } 2729 if (script->show_mmap_events) { 2730 script->tool.mmap = process_mmap_event; 2731 script->tool.mmap2 = process_mmap2_event; 2732 } 2733 if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch)) 2734 script->tool.context_switch = process_switch_event; 2735 if (scripting_ops && scripting_ops->process_auxtrace_error) 2736 script->tool.auxtrace_error = process_auxtrace_error; 2737 if (script->show_namespace_events) 2738 script->tool.namespaces = process_namespaces_event; 2739 if (script->show_cgroup_events) 2740 script->tool.cgroup = process_cgroup_event; 2741 if (script->show_lost_events) 2742 script->tool.lost = process_lost_event; 2743 if (script->show_round_events) { 2744 script->tool.ordered_events = false; 2745 script->tool.finished_round = process_finished_round_event; 2746 } 2747 if (script->show_bpf_events) { 2748 script->tool.ksymbol = process_bpf_events; 2749 script->tool.bpf = process_bpf_events; 2750 } 2751 if (script->show_text_poke_events) { 2752 script->tool.ksymbol = process_bpf_events; 2753 script->tool.text_poke = process_text_poke_events; 2754 } 2755 2756 if (perf_script__setup_per_event_dump(script)) { 2757 pr_err("Couldn't create the per event dump files\n"); 2758 return -1; 2759 } 2760 2761 ret = perf_session__process_events(script->session); 2762 2763 if (script->per_event_dump) 2764 perf_script__exit_per_event_dump_stats(script); 2765 2766 if (debug_mode) 2767 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); 2768 2769 return ret; 2770 } 2771 2772 struct script_spec { 2773 struct list_head node; 2774 struct scripting_ops *ops; 2775 char spec[]; 2776 }; 2777 2778 static LIST_HEAD(script_specs); 2779 2780 static struct script_spec *script_spec__new(const char *spec, 2781 struct scripting_ops *ops) 2782 { 2783 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); 2784 2785 if (s != NULL) { 2786 strcpy(s->spec, spec); 2787 s->ops = ops; 2788 } 2789 2790 return s; 2791 } 2792 2793 static void script_spec__add(struct script_spec *s) 2794 { 2795 list_add_tail(&s->node, &script_specs); 2796 } 2797 2798 static struct script_spec *script_spec__find(const char *spec) 2799 { 2800 struct script_spec *s; 2801 2802 list_for_each_entry(s, &script_specs, node) 2803 if (strcasecmp(s->spec, spec) == 0) 2804 return s; 2805 return NULL; 2806 } 2807 2808 int script_spec_register(const char *spec, struct scripting_ops *ops) 2809 { 2810 struct script_spec *s; 2811 2812 s = script_spec__find(spec); 2813 if (s) 2814 return -1; 2815 2816 s = script_spec__new(spec, ops); 2817 if (!s) 2818 return -1; 2819 else 2820 script_spec__add(s); 2821 2822 return 0; 2823 } 2824 2825 static struct scripting_ops *script_spec__lookup(const char *spec) 2826 { 2827 struct script_spec *s = script_spec__find(spec); 2828 if (!s) 2829 return NULL; 2830 2831 return s->ops; 2832 } 2833 2834 static void list_available_languages(void) 2835 { 2836 struct script_spec *s; 2837 2838 fprintf(stderr, "\n"); 2839 fprintf(stderr, "Scripting language extensions (used in " 2840 "perf script -s [spec:]script.[spec]):\n\n"); 2841 2842 list_for_each_entry(s, &script_specs, node) 2843 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); 2844 2845 fprintf(stderr, "\n"); 2846 } 2847 2848 /* Find script file relative to current directory or exec path */ 2849 static char *find_script(const char *script) 2850 { 2851 char path[PATH_MAX]; 2852 2853 if (!scripting_ops) { 2854 const char *ext = strrchr(script, '.'); 2855 2856 if (!ext) 2857 return NULL; 2858 2859 scripting_ops = script_spec__lookup(++ext); 2860 if (!scripting_ops) 2861 return NULL; 2862 } 2863 2864 if (access(script, R_OK)) { 2865 char *exec_path = get_argv_exec_path(); 2866 2867 if (!exec_path) 2868 return NULL; 2869 snprintf(path, sizeof(path), "%s/scripts/%s/%s", 2870 exec_path, scripting_ops->dirname, script); 2871 free(exec_path); 2872 script = path; 2873 if (access(script, R_OK)) 2874 return NULL; 2875 } 2876 return strdup(script); 2877 } 2878 2879 static int parse_scriptname(const struct option *opt __maybe_unused, 2880 const char *str, int unset __maybe_unused) 2881 { 2882 char spec[PATH_MAX]; 2883 const char *script, *ext; 2884 int len; 2885 2886 if (strcmp(str, "lang") == 0) { 2887 list_available_languages(); 2888 exit(0); 2889 } 2890 2891 script = strchr(str, ':'); 2892 if (script) { 2893 len = script - str; 2894 if (len >= PATH_MAX) { 2895 fprintf(stderr, "invalid language specifier"); 2896 return -1; 2897 } 2898 strncpy(spec, str, len); 2899 spec[len] = '\0'; 2900 scripting_ops = script_spec__lookup(spec); 2901 if (!scripting_ops) { 2902 fprintf(stderr, "invalid language specifier"); 2903 return -1; 2904 } 2905 script++; 2906 } else { 2907 script = str; 2908 ext = strrchr(script, '.'); 2909 if (!ext) { 2910 fprintf(stderr, "invalid script extension"); 2911 return -1; 2912 } 2913 scripting_ops = script_spec__lookup(++ext); 2914 if (!scripting_ops) { 2915 fprintf(stderr, "invalid script extension"); 2916 return -1; 2917 } 2918 } 2919 2920 script_name = find_script(script); 2921 if (!script_name) 2922 script_name = strdup(script); 2923 2924 return 0; 2925 } 2926 2927 static int parse_output_fields(const struct option *opt __maybe_unused, 2928 const char *arg, int unset __maybe_unused) 2929 { 2930 char *tok, *strtok_saveptr = NULL; 2931 int i, imax = ARRAY_SIZE(all_output_options); 2932 int j; 2933 int rc = 0; 2934 char *str = strdup(arg); 2935 int type = -1; 2936 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT; 2937 2938 if (!str) 2939 return -ENOMEM; 2940 2941 /* first word can state for which event type the user is specifying 2942 * the fields. If no type exists, the specified fields apply to all 2943 * event types found in the file minus the invalid fields for a type. 2944 */ 2945 tok = strchr(str, ':'); 2946 if (tok) { 2947 *tok = '\0'; 2948 tok++; 2949 if (!strcmp(str, "hw")) 2950 type = PERF_TYPE_HARDWARE; 2951 else if (!strcmp(str, "sw")) 2952 type = PERF_TYPE_SOFTWARE; 2953 else if (!strcmp(str, "trace")) 2954 type = PERF_TYPE_TRACEPOINT; 2955 else if (!strcmp(str, "raw")) 2956 type = PERF_TYPE_RAW; 2957 else if (!strcmp(str, "break")) 2958 type = PERF_TYPE_BREAKPOINT; 2959 else if (!strcmp(str, "synth")) 2960 type = OUTPUT_TYPE_SYNTH; 2961 else { 2962 fprintf(stderr, "Invalid event type in field string.\n"); 2963 rc = -EINVAL; 2964 goto out; 2965 } 2966 2967 if (output[type].user_set) 2968 pr_warning("Overriding previous field request for %s events.\n", 2969 event_type(type)); 2970 2971 /* Don't override defaults for +- */ 2972 if (strchr(tok, '+') || strchr(tok, '-')) 2973 goto parse; 2974 2975 output[type].fields = 0; 2976 output[type].user_set = true; 2977 output[type].wildcard_set = false; 2978 2979 } else { 2980 tok = str; 2981 if (strlen(str) == 0) { 2982 fprintf(stderr, 2983 "Cannot set fields to 'none' for all event types.\n"); 2984 rc = -EINVAL; 2985 goto out; 2986 } 2987 2988 /* Don't override defaults for +- */ 2989 if (strchr(str, '+') || strchr(str, '-')) 2990 goto parse; 2991 2992 if (output_set_by_user()) 2993 pr_warning("Overriding previous field request for all events.\n"); 2994 2995 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 2996 output[j].fields = 0; 2997 output[j].user_set = true; 2998 output[j].wildcard_set = true; 2999 } 3000 } 3001 3002 parse: 3003 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) { 3004 if (*tok == '+') { 3005 if (change == SET) 3006 goto out_badmix; 3007 change = ADD; 3008 tok++; 3009 } else if (*tok == '-') { 3010 if (change == SET) 3011 goto out_badmix; 3012 change = REMOVE; 3013 tok++; 3014 } else { 3015 if (change != SET && change != DEFAULT) 3016 goto out_badmix; 3017 change = SET; 3018 } 3019 3020 for (i = 0; i < imax; ++i) { 3021 if (strcmp(tok, all_output_options[i].str) == 0) 3022 break; 3023 } 3024 if (i == imax && strcmp(tok, "flags") == 0) { 3025 print_flags = change != REMOVE; 3026 continue; 3027 } 3028 if (i == imax) { 3029 fprintf(stderr, "Invalid field requested.\n"); 3030 rc = -EINVAL; 3031 goto out; 3032 } 3033 3034 if (type == -1) { 3035 /* add user option to all events types for 3036 * which it is valid 3037 */ 3038 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 3039 if (output[j].invalid_fields & all_output_options[i].field) { 3040 pr_warning("\'%s\' not valid for %s events. Ignoring.\n", 3041 all_output_options[i].str, event_type(j)); 3042 } else { 3043 if (change == REMOVE) { 3044 output[j].fields &= ~all_output_options[i].field; 3045 output[j].user_set_fields &= ~all_output_options[i].field; 3046 output[j].user_unset_fields |= all_output_options[i].field; 3047 } else { 3048 output[j].fields |= all_output_options[i].field; 3049 output[j].user_set_fields |= all_output_options[i].field; 3050 output[j].user_unset_fields &= ~all_output_options[i].field; 3051 } 3052 output[j].user_set = true; 3053 output[j].wildcard_set = true; 3054 } 3055 } 3056 } else { 3057 if (output[type].invalid_fields & all_output_options[i].field) { 3058 fprintf(stderr, "\'%s\' not valid for %s events.\n", 3059 all_output_options[i].str, event_type(type)); 3060 3061 rc = -EINVAL; 3062 goto out; 3063 } 3064 if (change == REMOVE) 3065 output[type].fields &= ~all_output_options[i].field; 3066 else 3067 output[type].fields |= all_output_options[i].field; 3068 output[type].user_set = true; 3069 output[type].wildcard_set = true; 3070 } 3071 } 3072 3073 if (type >= 0) { 3074 if (output[type].fields == 0) { 3075 pr_debug("No fields requested for %s type. " 3076 "Events will not be displayed.\n", event_type(type)); 3077 } 3078 } 3079 goto out; 3080 3081 out_badmix: 3082 fprintf(stderr, "Cannot mix +-field with overridden fields\n"); 3083 rc = -EINVAL; 3084 out: 3085 free(str); 3086 return rc; 3087 } 3088 3089 #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \ 3090 while ((lang_dirent = readdir(scripts_dir)) != NULL) \ 3091 if ((lang_dirent->d_type == DT_DIR || \ 3092 (lang_dirent->d_type == DT_UNKNOWN && \ 3093 is_directory(scripts_path, lang_dirent))) && \ 3094 (strcmp(lang_dirent->d_name, ".")) && \ 3095 (strcmp(lang_dirent->d_name, ".."))) 3096 3097 #define for_each_script(lang_path, lang_dir, script_dirent) \ 3098 while ((script_dirent = readdir(lang_dir)) != NULL) \ 3099 if (script_dirent->d_type != DT_DIR && \ 3100 (script_dirent->d_type != DT_UNKNOWN || \ 3101 !is_directory(lang_path, script_dirent))) 3102 3103 3104 #define RECORD_SUFFIX "-record" 3105 #define REPORT_SUFFIX "-report" 3106 3107 struct script_desc { 3108 struct list_head node; 3109 char *name; 3110 char *half_liner; 3111 char *args; 3112 }; 3113 3114 static LIST_HEAD(script_descs); 3115 3116 static struct script_desc *script_desc__new(const char *name) 3117 { 3118 struct script_desc *s = zalloc(sizeof(*s)); 3119 3120 if (s != NULL && name) 3121 s->name = strdup(name); 3122 3123 return s; 3124 } 3125 3126 static void script_desc__delete(struct script_desc *s) 3127 { 3128 zfree(&s->name); 3129 zfree(&s->half_liner); 3130 zfree(&s->args); 3131 free(s); 3132 } 3133 3134 static void script_desc__add(struct script_desc *s) 3135 { 3136 list_add_tail(&s->node, &script_descs); 3137 } 3138 3139 static struct script_desc *script_desc__find(const char *name) 3140 { 3141 struct script_desc *s; 3142 3143 list_for_each_entry(s, &script_descs, node) 3144 if (strcasecmp(s->name, name) == 0) 3145 return s; 3146 return NULL; 3147 } 3148 3149 static struct script_desc *script_desc__findnew(const char *name) 3150 { 3151 struct script_desc *s = script_desc__find(name); 3152 3153 if (s) 3154 return s; 3155 3156 s = script_desc__new(name); 3157 if (!s) 3158 return NULL; 3159 3160 script_desc__add(s); 3161 3162 return s; 3163 } 3164 3165 static const char *ends_with(const char *str, const char *suffix) 3166 { 3167 size_t suffix_len = strlen(suffix); 3168 const char *p = str; 3169 3170 if (strlen(str) > suffix_len) { 3171 p = str + strlen(str) - suffix_len; 3172 if (!strncmp(p, suffix, suffix_len)) 3173 return p; 3174 } 3175 3176 return NULL; 3177 } 3178 3179 static int read_script_info(struct script_desc *desc, const char *filename) 3180 { 3181 char line[BUFSIZ], *p; 3182 FILE *fp; 3183 3184 fp = fopen(filename, "r"); 3185 if (!fp) 3186 return -1; 3187 3188 while (fgets(line, sizeof(line), fp)) { 3189 p = skip_spaces(line); 3190 if (strlen(p) == 0) 3191 continue; 3192 if (*p != '#') 3193 continue; 3194 p++; 3195 if (strlen(p) && *p == '!') 3196 continue; 3197 3198 p = skip_spaces(p); 3199 if (strlen(p) && p[strlen(p) - 1] == '\n') 3200 p[strlen(p) - 1] = '\0'; 3201 3202 if (!strncmp(p, "description:", strlen("description:"))) { 3203 p += strlen("description:"); 3204 desc->half_liner = strdup(skip_spaces(p)); 3205 continue; 3206 } 3207 3208 if (!strncmp(p, "args:", strlen("args:"))) { 3209 p += strlen("args:"); 3210 desc->args = strdup(skip_spaces(p)); 3211 continue; 3212 } 3213 } 3214 3215 fclose(fp); 3216 3217 return 0; 3218 } 3219 3220 static char *get_script_root(struct dirent *script_dirent, const char *suffix) 3221 { 3222 char *script_root, *str; 3223 3224 script_root = strdup(script_dirent->d_name); 3225 if (!script_root) 3226 return NULL; 3227 3228 str = (char *)ends_with(script_root, suffix); 3229 if (!str) { 3230 free(script_root); 3231 return NULL; 3232 } 3233 3234 *str = '\0'; 3235 return script_root; 3236 } 3237 3238 static int list_available_scripts(const struct option *opt __maybe_unused, 3239 const char *s __maybe_unused, 3240 int unset __maybe_unused) 3241 { 3242 struct dirent *script_dirent, *lang_dirent; 3243 char scripts_path[MAXPATHLEN]; 3244 DIR *scripts_dir, *lang_dir; 3245 char script_path[MAXPATHLEN]; 3246 char lang_path[MAXPATHLEN]; 3247 struct script_desc *desc; 3248 char first_half[BUFSIZ]; 3249 char *script_root; 3250 3251 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3252 3253 scripts_dir = opendir(scripts_path); 3254 if (!scripts_dir) { 3255 fprintf(stdout, 3256 "open(%s) failed.\n" 3257 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n", 3258 scripts_path); 3259 exit(-1); 3260 } 3261 3262 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3263 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3264 lang_dirent->d_name); 3265 lang_dir = opendir(lang_path); 3266 if (!lang_dir) 3267 continue; 3268 3269 for_each_script(lang_path, lang_dir, script_dirent) { 3270 script_root = get_script_root(script_dirent, REPORT_SUFFIX); 3271 if (script_root) { 3272 desc = script_desc__findnew(script_root); 3273 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3274 lang_path, script_dirent->d_name); 3275 read_script_info(desc, script_path); 3276 free(script_root); 3277 } 3278 } 3279 } 3280 3281 fprintf(stdout, "List of available trace scripts:\n"); 3282 list_for_each_entry(desc, &script_descs, node) { 3283 sprintf(first_half, "%s %s", desc->name, 3284 desc->args ? desc->args : ""); 3285 fprintf(stdout, " %-36s %s\n", first_half, 3286 desc->half_liner ? desc->half_liner : ""); 3287 } 3288 3289 exit(0); 3290 } 3291 3292 static int add_dlarg(const struct option *opt __maybe_unused, 3293 const char *s, int unset __maybe_unused) 3294 { 3295 char *arg = strdup(s); 3296 void *a; 3297 3298 if (!arg) 3299 return -1; 3300 3301 a = realloc(dlargv, sizeof(dlargv[0]) * (dlargc + 1)); 3302 if (!a) { 3303 free(arg); 3304 return -1; 3305 } 3306 3307 dlargv = a; 3308 dlargv[dlargc++] = arg; 3309 3310 return 0; 3311 } 3312 3313 static void free_dlarg(void) 3314 { 3315 while (dlargc--) 3316 free(dlargv[dlargc]); 3317 free(dlargv); 3318 } 3319 3320 /* 3321 * Some scripts specify the required events in their "xxx-record" file, 3322 * this function will check if the events in perf.data match those 3323 * mentioned in the "xxx-record". 3324 * 3325 * Fixme: All existing "xxx-record" are all in good formats "-e event ", 3326 * which is covered well now. And new parsing code should be added to 3327 * cover the future complex formats like event groups etc. 3328 */ 3329 static int check_ev_match(char *dir_name, char *scriptname, 3330 struct perf_session *session) 3331 { 3332 char filename[MAXPATHLEN], evname[128]; 3333 char line[BUFSIZ], *p; 3334 struct evsel *pos; 3335 int match, len; 3336 FILE *fp; 3337 3338 scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname); 3339 3340 fp = fopen(filename, "r"); 3341 if (!fp) 3342 return -1; 3343 3344 while (fgets(line, sizeof(line), fp)) { 3345 p = skip_spaces(line); 3346 if (*p == '#') 3347 continue; 3348 3349 while (strlen(p)) { 3350 p = strstr(p, "-e"); 3351 if (!p) 3352 break; 3353 3354 p += 2; 3355 p = skip_spaces(p); 3356 len = strcspn(p, " \t"); 3357 if (!len) 3358 break; 3359 3360 snprintf(evname, len + 1, "%s", p); 3361 3362 match = 0; 3363 evlist__for_each_entry(session->evlist, pos) { 3364 if (!strcmp(evsel__name(pos), evname)) { 3365 match = 1; 3366 break; 3367 } 3368 } 3369 3370 if (!match) { 3371 fclose(fp); 3372 return -1; 3373 } 3374 } 3375 } 3376 3377 fclose(fp); 3378 return 0; 3379 } 3380 3381 /* 3382 * Return -1 if none is found, otherwise the actual scripts number. 3383 * 3384 * Currently the only user of this function is the script browser, which 3385 * will list all statically runnable scripts, select one, execute it and 3386 * show the output in a perf browser. 3387 */ 3388 int find_scripts(char **scripts_array, char **scripts_path_array, int num, 3389 int pathlen) 3390 { 3391 struct dirent *script_dirent, *lang_dirent; 3392 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; 3393 DIR *scripts_dir, *lang_dir; 3394 struct perf_session *session; 3395 struct perf_data data = { 3396 .path = input_name, 3397 .mode = PERF_DATA_MODE_READ, 3398 }; 3399 char *temp; 3400 int i = 0; 3401 3402 session = perf_session__new(&data, NULL); 3403 if (IS_ERR(session)) 3404 return PTR_ERR(session); 3405 3406 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3407 3408 scripts_dir = opendir(scripts_path); 3409 if (!scripts_dir) { 3410 perf_session__delete(session); 3411 return -1; 3412 } 3413 3414 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3415 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, 3416 lang_dirent->d_name); 3417 #ifndef HAVE_LIBPERL_SUPPORT 3418 if (strstr(lang_path, "perl")) 3419 continue; 3420 #endif 3421 #ifndef HAVE_LIBPYTHON_SUPPORT 3422 if (strstr(lang_path, "python")) 3423 continue; 3424 #endif 3425 3426 lang_dir = opendir(lang_path); 3427 if (!lang_dir) 3428 continue; 3429 3430 for_each_script(lang_path, lang_dir, script_dirent) { 3431 /* Skip those real time scripts: xxxtop.p[yl] */ 3432 if (strstr(script_dirent->d_name, "top.")) 3433 continue; 3434 if (i >= num) 3435 break; 3436 snprintf(scripts_path_array[i], pathlen, "%s/%s", 3437 lang_path, 3438 script_dirent->d_name); 3439 temp = strchr(script_dirent->d_name, '.'); 3440 snprintf(scripts_array[i], 3441 (temp - script_dirent->d_name) + 1, 3442 "%s", script_dirent->d_name); 3443 3444 if (check_ev_match(lang_path, 3445 scripts_array[i], session)) 3446 continue; 3447 3448 i++; 3449 } 3450 closedir(lang_dir); 3451 } 3452 3453 closedir(scripts_dir); 3454 perf_session__delete(session); 3455 return i; 3456 } 3457 3458 static char *get_script_path(const char *script_root, const char *suffix) 3459 { 3460 struct dirent *script_dirent, *lang_dirent; 3461 char scripts_path[MAXPATHLEN]; 3462 char script_path[MAXPATHLEN]; 3463 DIR *scripts_dir, *lang_dir; 3464 char lang_path[MAXPATHLEN]; 3465 char *__script_root; 3466 3467 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3468 3469 scripts_dir = opendir(scripts_path); 3470 if (!scripts_dir) 3471 return NULL; 3472 3473 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3474 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3475 lang_dirent->d_name); 3476 lang_dir = opendir(lang_path); 3477 if (!lang_dir) 3478 continue; 3479 3480 for_each_script(lang_path, lang_dir, script_dirent) { 3481 __script_root = get_script_root(script_dirent, suffix); 3482 if (__script_root && !strcmp(script_root, __script_root)) { 3483 free(__script_root); 3484 closedir(scripts_dir); 3485 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3486 lang_path, script_dirent->d_name); 3487 closedir(lang_dir); 3488 return strdup(script_path); 3489 } 3490 free(__script_root); 3491 } 3492 closedir(lang_dir); 3493 } 3494 closedir(scripts_dir); 3495 3496 return NULL; 3497 } 3498 3499 static bool is_top_script(const char *script_path) 3500 { 3501 return ends_with(script_path, "top") != NULL; 3502 } 3503 3504 static int has_required_arg(char *script_path) 3505 { 3506 struct script_desc *desc; 3507 int n_args = 0; 3508 char *p; 3509 3510 desc = script_desc__new(NULL); 3511 3512 if (read_script_info(desc, script_path)) 3513 goto out; 3514 3515 if (!desc->args) 3516 goto out; 3517 3518 for (p = desc->args; *p; p++) 3519 if (*p == '<') 3520 n_args++; 3521 out: 3522 script_desc__delete(desc); 3523 3524 return n_args; 3525 } 3526 3527 static int have_cmd(int argc, const char **argv) 3528 { 3529 char **__argv = malloc(sizeof(const char *) * argc); 3530 3531 if (!__argv) { 3532 pr_err("malloc failed\n"); 3533 return -1; 3534 } 3535 3536 memcpy(__argv, argv, sizeof(const char *) * argc); 3537 argc = parse_options(argc, (const char **)__argv, record_options, 3538 NULL, PARSE_OPT_STOP_AT_NON_OPTION); 3539 free(__argv); 3540 3541 system_wide = (argc == 0); 3542 3543 return 0; 3544 } 3545 3546 static void script__setup_sample_type(struct perf_script *script) 3547 { 3548 struct perf_session *session = script->session; 3549 u64 sample_type = evlist__combined_sample_type(session->evlist); 3550 3551 callchain_param_setup(sample_type, perf_env__arch(session->machines.host.env)); 3552 3553 if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) { 3554 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n" 3555 "Please apply --call-graph lbr when recording.\n"); 3556 script->stitch_lbr = false; 3557 } 3558 } 3559 3560 static int process_stat_round_event(struct perf_session *session, 3561 union perf_event *event) 3562 { 3563 struct perf_record_stat_round *round = &event->stat_round; 3564 struct evsel *counter; 3565 3566 evlist__for_each_entry(session->evlist, counter) { 3567 perf_stat_process_counter(&stat_config, counter); 3568 process_stat(counter, round->time); 3569 } 3570 3571 process_stat_interval(round->time); 3572 return 0; 3573 } 3574 3575 static int process_stat_config_event(struct perf_session *session __maybe_unused, 3576 union perf_event *event) 3577 { 3578 perf_event__read_stat_config(&stat_config, &event->stat_config); 3579 return 0; 3580 } 3581 3582 static int set_maps(struct perf_script *script) 3583 { 3584 struct evlist *evlist = script->session->evlist; 3585 3586 if (!script->cpus || !script->threads) 3587 return 0; 3588 3589 if (WARN_ONCE(script->allocated, "stats double allocation\n")) 3590 return -EINVAL; 3591 3592 perf_evlist__set_maps(&evlist->core, script->cpus, script->threads); 3593 3594 if (evlist__alloc_stats(evlist, true)) 3595 return -ENOMEM; 3596 3597 script->allocated = true; 3598 return 0; 3599 } 3600 3601 static 3602 int process_thread_map_event(struct perf_session *session, 3603 union perf_event *event) 3604 { 3605 struct perf_tool *tool = session->tool; 3606 struct perf_script *script = container_of(tool, struct perf_script, tool); 3607 3608 if (script->threads) { 3609 pr_warning("Extra thread map event, ignoring.\n"); 3610 return 0; 3611 } 3612 3613 script->threads = thread_map__new_event(&event->thread_map); 3614 if (!script->threads) 3615 return -ENOMEM; 3616 3617 return set_maps(script); 3618 } 3619 3620 static 3621 int process_cpu_map_event(struct perf_session *session, 3622 union perf_event *event) 3623 { 3624 struct perf_tool *tool = session->tool; 3625 struct perf_script *script = container_of(tool, struct perf_script, tool); 3626 3627 if (script->cpus) { 3628 pr_warning("Extra cpu map event, ignoring.\n"); 3629 return 0; 3630 } 3631 3632 script->cpus = cpu_map__new_data(&event->cpu_map.data); 3633 if (!script->cpus) 3634 return -ENOMEM; 3635 3636 return set_maps(script); 3637 } 3638 3639 static int process_feature_event(struct perf_session *session, 3640 union perf_event *event) 3641 { 3642 if (event->feat.feat_id < HEADER_LAST_FEATURE) 3643 return perf_event__process_feature(session, event); 3644 return 0; 3645 } 3646 3647 #ifdef HAVE_AUXTRACE_SUPPORT 3648 static int perf_script__process_auxtrace_info(struct perf_session *session, 3649 union perf_event *event) 3650 { 3651 struct perf_tool *tool = session->tool; 3652 3653 int ret = perf_event__process_auxtrace_info(session, event); 3654 3655 if (ret == 0) { 3656 struct perf_script *script = container_of(tool, struct perf_script, tool); 3657 3658 ret = perf_script__setup_per_event_dump(script); 3659 } 3660 3661 return ret; 3662 } 3663 #else 3664 #define perf_script__process_auxtrace_info 0 3665 #endif 3666 3667 static int parse_insn_trace(const struct option *opt __maybe_unused, 3668 const char *str __maybe_unused, 3669 int unset __maybe_unused) 3670 { 3671 parse_output_fields(NULL, "+insn,-event,-period", 0); 3672 itrace_parse_synth_opts(opt, "i0ns", 0); 3673 symbol_conf.nanosecs = true; 3674 return 0; 3675 } 3676 3677 static int parse_xed(const struct option *opt __maybe_unused, 3678 const char *str __maybe_unused, 3679 int unset __maybe_unused) 3680 { 3681 if (isatty(1)) 3682 force_pager("xed -F insn: -A -64 | less"); 3683 else 3684 force_pager("xed -F insn: -A -64"); 3685 return 0; 3686 } 3687 3688 static int parse_call_trace(const struct option *opt __maybe_unused, 3689 const char *str __maybe_unused, 3690 int unset __maybe_unused) 3691 { 3692 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0); 3693 itrace_parse_synth_opts(opt, "cewp", 0); 3694 symbol_conf.nanosecs = true; 3695 symbol_conf.pad_output_len_dso = 50; 3696 return 0; 3697 } 3698 3699 static int parse_callret_trace(const struct option *opt __maybe_unused, 3700 const char *str __maybe_unused, 3701 int unset __maybe_unused) 3702 { 3703 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0); 3704 itrace_parse_synth_opts(opt, "crewp", 0); 3705 symbol_conf.nanosecs = true; 3706 return 0; 3707 } 3708 3709 int cmd_script(int argc, const char **argv) 3710 { 3711 bool show_full_info = false; 3712 bool header = false; 3713 bool header_only = false; 3714 bool script_started = false; 3715 char *rec_script_path = NULL; 3716 char *rep_script_path = NULL; 3717 struct perf_session *session; 3718 struct itrace_synth_opts itrace_synth_opts = { 3719 .set = false, 3720 .default_no_sample = true, 3721 }; 3722 struct utsname uts; 3723 char *script_path = NULL; 3724 const char *dlfilter_file = NULL; 3725 const char **__argv; 3726 int i, j, err = 0; 3727 struct perf_script script = { 3728 .tool = { 3729 .sample = process_sample_event, 3730 .mmap = perf_event__process_mmap, 3731 .mmap2 = perf_event__process_mmap2, 3732 .comm = perf_event__process_comm, 3733 .namespaces = perf_event__process_namespaces, 3734 .cgroup = perf_event__process_cgroup, 3735 .exit = perf_event__process_exit, 3736 .fork = perf_event__process_fork, 3737 .attr = process_attr, 3738 .event_update = perf_event__process_event_update, 3739 .tracing_data = perf_event__process_tracing_data, 3740 .feature = process_feature_event, 3741 .build_id = perf_event__process_build_id, 3742 .id_index = perf_event__process_id_index, 3743 .auxtrace_info = perf_script__process_auxtrace_info, 3744 .auxtrace = perf_event__process_auxtrace, 3745 .auxtrace_error = perf_event__process_auxtrace_error, 3746 .stat = perf_event__process_stat_event, 3747 .stat_round = process_stat_round_event, 3748 .stat_config = process_stat_config_event, 3749 .thread_map = process_thread_map_event, 3750 .cpu_map = process_cpu_map_event, 3751 .throttle = process_throttle_event, 3752 .unthrottle = process_throttle_event, 3753 .ordered_events = true, 3754 .ordering_requires_timestamps = true, 3755 }, 3756 }; 3757 struct perf_data data = { 3758 .mode = PERF_DATA_MODE_READ, 3759 }; 3760 const struct option options[] = { 3761 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 3762 "dump raw trace in ASCII"), 3763 OPT_INCR('v', "verbose", &verbose, 3764 "be more verbose (show symbol address, etc)"), 3765 OPT_BOOLEAN('L', "Latency", &latency_format, 3766 "show latency attributes (irqs/preemption disabled, etc)"), 3767 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", 3768 list_available_scripts), 3769 OPT_CALLBACK_NOOPT(0, "list-dlfilters", NULL, NULL, "list available dlfilters", 3770 list_available_dlfilters), 3771 OPT_CALLBACK('s', "script", NULL, "name", 3772 "script file name (lang:script name, script name, or *)", 3773 parse_scriptname), 3774 OPT_STRING('g', "gen-script", &generate_script_lang, "lang", 3775 "generate perf-script.xx script in specified language"), 3776 OPT_STRING(0, "dlfilter", &dlfilter_file, "file", "filter .so file name"), 3777 OPT_CALLBACK(0, "dlarg", NULL, "argument", "filter argument", 3778 add_dlarg), 3779 OPT_STRING('i', "input", &input_name, "file", "input file name"), 3780 OPT_BOOLEAN('d', "debug-mode", &debug_mode, 3781 "do various checks like samples ordering and lost events"), 3782 OPT_BOOLEAN(0, "header", &header, "Show data header."), 3783 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."), 3784 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 3785 "file", "vmlinux pathname"), 3786 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 3787 "file", "kallsyms pathname"), 3788 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, 3789 "When printing symbols do not display call chain"), 3790 OPT_CALLBACK(0, "symfs", NULL, "directory", 3791 "Look for files with symbols relative to this directory", 3792 symbol__config_symfs), 3793 OPT_CALLBACK('F', "fields", NULL, "str", 3794 "comma separated output fields prepend with 'type:'. " 3795 "+field to add and -field to remove." 3796 "Valid types: hw,sw,trace,raw,synth. " 3797 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso," 3798 "addr,symoff,srcline,period,iregs,uregs,brstack," 3799 "brstacksym,flags,bpf-output,brstackinsn,brstackinsnlen,brstackoff," 3800 "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc,tod," 3801 "data_page_size,code_page_size,ins_lat", 3802 parse_output_fields), 3803 OPT_BOOLEAN('a', "all-cpus", &system_wide, 3804 "system-wide collection from all CPUs"), 3805 OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", 3806 "only consider symbols in these DSOs"), 3807 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 3808 "only consider these symbols"), 3809 OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range, 3810 "Use with -S to list traced records within address range"), 3811 OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL, 3812 "Decode instructions from itrace", parse_insn_trace), 3813 OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL, 3814 "Run xed disassembler on output", parse_xed), 3815 OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL, 3816 "Decode calls from from itrace", parse_call_trace), 3817 OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL, 3818 "Decode calls and returns from itrace", parse_callret_trace), 3819 OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]", 3820 "Only print symbols and callees with --call-trace/--call-ret-trace"), 3821 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]", 3822 "Stop display of callgraph at these symbols"), 3823 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), 3824 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 3825 "only display events for these comms"), 3826 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 3827 "only consider symbols in these pids"), 3828 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 3829 "only consider symbols in these tids"), 3830 OPT_UINTEGER(0, "max-stack", &scripting_max_stack, 3831 "Set the maximum stack depth when parsing the callchain, " 3832 "anything beyond the specified depth will be ignored. " 3833 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 3834 OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"), 3835 OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"), 3836 OPT_BOOLEAN('I', "show-info", &show_full_info, 3837 "display extended information from perf.data file"), 3838 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, 3839 "Show the path of [kernel.kallsyms]"), 3840 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, 3841 "Show the fork/comm/exit events"), 3842 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, 3843 "Show the mmap events"), 3844 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events, 3845 "Show context switch events (if recorded)"), 3846 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events, 3847 "Show namespace events (if recorded)"), 3848 OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events, 3849 "Show cgroup events (if recorded)"), 3850 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events, 3851 "Show lost events (if recorded)"), 3852 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events, 3853 "Show round events (if recorded)"), 3854 OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events, 3855 "Show bpf related events (if recorded)"), 3856 OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events, 3857 "Show text poke related events (if recorded)"), 3858 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump, 3859 "Dump trace output to files named by the monitored events"), 3860 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 3861 OPT_INTEGER(0, "max-blocks", &max_blocks, 3862 "Maximum number of code blocks to dump with brstackinsn"), 3863 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, 3864 "Use 9 decimal places when displaying time"), 3865 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 3866 "Instruction Tracing options\n" ITRACE_HELP, 3867 itrace_parse_synth_opts), 3868 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 3869 "Show full source file name path for source lines"), 3870 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 3871 "Enable symbol demangling"), 3872 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 3873 "Enable kernel symbol demangling"), 3874 OPT_STRING(0, "time", &script.time_str, "str", 3875 "Time span of interest (start,stop)"), 3876 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 3877 "Show inline function"), 3878 OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory", 3879 "guest mount directory under which every guest os" 3880 " instance has a subdir"), 3881 OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name, 3882 "file", "file saving guest os vmlinux"), 3883 OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms, 3884 "file", "file saving guest os /proc/kallsyms"), 3885 OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules, 3886 "file", "file saving guest os /proc/modules"), 3887 OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr, 3888 "Enable LBR callgraph stitching approach"), 3889 OPTS_EVSWITCH(&script.evswitch), 3890 OPT_END() 3891 }; 3892 const char * const script_subcommands[] = { "record", "report", NULL }; 3893 const char *script_usage[] = { 3894 "perf script [<options>]", 3895 "perf script [<options>] record <script> [<record-options>] <command>", 3896 "perf script [<options>] report <script> [script-args]", 3897 "perf script [<options>] <script> [<record-options>] <command>", 3898 "perf script [<options>] <top-script> [script-args]", 3899 NULL 3900 }; 3901 3902 perf_set_singlethreaded(); 3903 3904 setup_scripting(); 3905 3906 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage, 3907 PARSE_OPT_STOP_AT_NON_OPTION); 3908 3909 if (symbol_conf.guestmount || 3910 symbol_conf.default_guest_vmlinux_name || 3911 symbol_conf.default_guest_kallsyms || 3912 symbol_conf.default_guest_modules) { 3913 /* 3914 * Enable guest sample processing. 3915 */ 3916 perf_guest = true; 3917 } 3918 3919 data.path = input_name; 3920 data.force = symbol_conf.force; 3921 3922 if (symbol__validate_sym_arguments()) 3923 return -1; 3924 3925 if (argc > 1 && strlen(argv[0]) > 2 && strstarts("record", argv[0])) { 3926 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); 3927 if (!rec_script_path) 3928 return cmd_record(argc, argv); 3929 } 3930 3931 if (argc > 1 && strlen(argv[0]) > 2 && strstarts("report", argv[0])) { 3932 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); 3933 if (!rep_script_path) { 3934 fprintf(stderr, 3935 "Please specify a valid report script" 3936 "(see 'perf script -l' for listing)\n"); 3937 return -1; 3938 } 3939 } 3940 3941 if (reltime && deltatime) { 3942 fprintf(stderr, 3943 "reltime and deltatime - the two don't get along well. " 3944 "Please limit to --reltime or --deltatime.\n"); 3945 return -1; 3946 } 3947 3948 if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) && 3949 itrace_synth_opts.callchain_sz > scripting_max_stack) 3950 scripting_max_stack = itrace_synth_opts.callchain_sz; 3951 3952 /* make sure PERF_EXEC_PATH is set for scripts */ 3953 set_argv_exec_path(get_argv_exec_path()); 3954 3955 if (argc && !script_name && !rec_script_path && !rep_script_path) { 3956 int live_pipe[2]; 3957 int rep_args; 3958 pid_t pid; 3959 3960 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); 3961 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); 3962 3963 if (!rec_script_path && !rep_script_path) { 3964 script_name = find_script(argv[0]); 3965 if (script_name) { 3966 argc -= 1; 3967 argv += 1; 3968 goto script_found; 3969 } 3970 usage_with_options_msg(script_usage, options, 3971 "Couldn't find script `%s'\n\n See perf" 3972 " script -l for available scripts.\n", argv[0]); 3973 } 3974 3975 if (is_top_script(argv[0])) { 3976 rep_args = argc - 1; 3977 } else { 3978 int rec_args; 3979 3980 rep_args = has_required_arg(rep_script_path); 3981 rec_args = (argc - 1) - rep_args; 3982 if (rec_args < 0) { 3983 usage_with_options_msg(script_usage, options, 3984 "`%s' script requires options." 3985 "\n\n See perf script -l for available " 3986 "scripts and options.\n", argv[0]); 3987 } 3988 } 3989 3990 if (pipe(live_pipe) < 0) { 3991 perror("failed to create pipe"); 3992 return -1; 3993 } 3994 3995 pid = fork(); 3996 if (pid < 0) { 3997 perror("failed to fork"); 3998 return -1; 3999 } 4000 4001 if (!pid) { 4002 j = 0; 4003 4004 dup2(live_pipe[1], 1); 4005 close(live_pipe[0]); 4006 4007 if (is_top_script(argv[0])) { 4008 system_wide = true; 4009 } else if (!system_wide) { 4010 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { 4011 err = -1; 4012 goto out; 4013 } 4014 } 4015 4016 __argv = malloc((argc + 6) * sizeof(const char *)); 4017 if (!__argv) { 4018 pr_err("malloc failed\n"); 4019 err = -ENOMEM; 4020 goto out; 4021 } 4022 4023 __argv[j++] = "/bin/sh"; 4024 __argv[j++] = rec_script_path; 4025 if (system_wide) 4026 __argv[j++] = "-a"; 4027 __argv[j++] = "-q"; 4028 __argv[j++] = "-o"; 4029 __argv[j++] = "-"; 4030 for (i = rep_args + 1; i < argc; i++) 4031 __argv[j++] = argv[i]; 4032 __argv[j++] = NULL; 4033 4034 execvp("/bin/sh", (char **)__argv); 4035 free(__argv); 4036 exit(-1); 4037 } 4038 4039 dup2(live_pipe[0], 0); 4040 close(live_pipe[1]); 4041 4042 __argv = malloc((argc + 4) * sizeof(const char *)); 4043 if (!__argv) { 4044 pr_err("malloc failed\n"); 4045 err = -ENOMEM; 4046 goto out; 4047 } 4048 4049 j = 0; 4050 __argv[j++] = "/bin/sh"; 4051 __argv[j++] = rep_script_path; 4052 for (i = 1; i < rep_args + 1; i++) 4053 __argv[j++] = argv[i]; 4054 __argv[j++] = "-i"; 4055 __argv[j++] = "-"; 4056 __argv[j++] = NULL; 4057 4058 execvp("/bin/sh", (char **)__argv); 4059 free(__argv); 4060 exit(-1); 4061 } 4062 script_found: 4063 if (rec_script_path) 4064 script_path = rec_script_path; 4065 if (rep_script_path) 4066 script_path = rep_script_path; 4067 4068 if (script_path) { 4069 j = 0; 4070 4071 if (!rec_script_path) 4072 system_wide = false; 4073 else if (!system_wide) { 4074 if (have_cmd(argc - 1, &argv[1]) != 0) { 4075 err = -1; 4076 goto out; 4077 } 4078 } 4079 4080 __argv = malloc((argc + 2) * sizeof(const char *)); 4081 if (!__argv) { 4082 pr_err("malloc failed\n"); 4083 err = -ENOMEM; 4084 goto out; 4085 } 4086 4087 __argv[j++] = "/bin/sh"; 4088 __argv[j++] = script_path; 4089 if (system_wide) 4090 __argv[j++] = "-a"; 4091 for (i = 2; i < argc; i++) 4092 __argv[j++] = argv[i]; 4093 __argv[j++] = NULL; 4094 4095 execvp("/bin/sh", (char **)__argv); 4096 free(__argv); 4097 exit(-1); 4098 } 4099 4100 if (dlfilter_file) { 4101 dlfilter = dlfilter__new(dlfilter_file, dlargc, dlargv); 4102 if (!dlfilter) 4103 return -1; 4104 } 4105 4106 if (!script_name) { 4107 setup_pager(); 4108 use_browser = 0; 4109 } 4110 4111 session = perf_session__new(&data, &script.tool); 4112 if (IS_ERR(session)) 4113 return PTR_ERR(session); 4114 4115 if (header || header_only) { 4116 script.tool.show_feat_hdr = SHOW_FEAT_HEADER; 4117 perf_session__fprintf_info(session, stdout, show_full_info); 4118 if (header_only) 4119 goto out_delete; 4120 } 4121 if (show_full_info) 4122 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 4123 4124 if (symbol__init(&session->header.env) < 0) 4125 goto out_delete; 4126 4127 uname(&uts); 4128 if (data.is_pipe) { /* Assume pipe_mode indicates native_arch */ 4129 native_arch = true; 4130 } else if (session->header.env.arch) { 4131 if (!strcmp(uts.machine, session->header.env.arch)) 4132 native_arch = true; 4133 else if (!strcmp(uts.machine, "x86_64") && 4134 !strcmp(session->header.env.arch, "i386")) 4135 native_arch = true; 4136 } 4137 4138 script.session = session; 4139 script__setup_sample_type(&script); 4140 4141 if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) || 4142 symbol_conf.graph_function) 4143 itrace_synth_opts.thread_stack = true; 4144 4145 session->itrace_synth_opts = &itrace_synth_opts; 4146 4147 if (cpu_list) { 4148 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap); 4149 if (err < 0) 4150 goto out_delete; 4151 itrace_synth_opts.cpu_bitmap = cpu_bitmap; 4152 } 4153 4154 if (!no_callchain) 4155 symbol_conf.use_callchain = true; 4156 else 4157 symbol_conf.use_callchain = false; 4158 4159 if (session->tevent.pevent && 4160 tep_set_function_resolver(session->tevent.pevent, 4161 machine__resolve_kernel_addr, 4162 &session->machines.host) < 0) { 4163 pr_err("%s: failed to set libtraceevent function resolver\n", __func__); 4164 err = -1; 4165 goto out_delete; 4166 } 4167 4168 if (generate_script_lang) { 4169 struct stat perf_stat; 4170 int input; 4171 4172 if (output_set_by_user()) { 4173 fprintf(stderr, 4174 "custom fields not supported for generated scripts"); 4175 err = -EINVAL; 4176 goto out_delete; 4177 } 4178 4179 input = open(data.path, O_RDONLY); /* input_name */ 4180 if (input < 0) { 4181 err = -errno; 4182 perror("failed to open file"); 4183 goto out_delete; 4184 } 4185 4186 err = fstat(input, &perf_stat); 4187 if (err < 0) { 4188 perror("failed to stat file"); 4189 goto out_delete; 4190 } 4191 4192 if (!perf_stat.st_size) { 4193 fprintf(stderr, "zero-sized file, nothing to do!\n"); 4194 goto out_delete; 4195 } 4196 4197 scripting_ops = script_spec__lookup(generate_script_lang); 4198 if (!scripting_ops) { 4199 fprintf(stderr, "invalid language specifier"); 4200 err = -ENOENT; 4201 goto out_delete; 4202 } 4203 4204 err = scripting_ops->generate_script(session->tevent.pevent, 4205 "perf-script"); 4206 goto out_delete; 4207 } 4208 4209 err = dlfilter__start(dlfilter, session); 4210 if (err) 4211 goto out_delete; 4212 4213 if (script_name) { 4214 err = scripting_ops->start_script(script_name, argc, argv, session); 4215 if (err) 4216 goto out_delete; 4217 pr_debug("perf script started with script %s\n\n", script_name); 4218 script_started = true; 4219 } 4220 4221 4222 err = perf_session__check_output_opt(session); 4223 if (err < 0) 4224 goto out_delete; 4225 4226 if (script.time_str) { 4227 err = perf_time__parse_for_ranges_reltime(script.time_str, session, 4228 &script.ptime_range, 4229 &script.range_size, 4230 &script.range_num, 4231 reltime); 4232 if (err < 0) 4233 goto out_delete; 4234 4235 itrace_synth_opts__set_time_range(&itrace_synth_opts, 4236 script.ptime_range, 4237 script.range_num); 4238 } 4239 4240 err = evswitch__init(&script.evswitch, session->evlist, stderr); 4241 if (err) 4242 goto out_delete; 4243 4244 if (zstd_init(&(session->zstd_data), 0) < 0) 4245 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n"); 4246 4247 err = __cmd_script(&script); 4248 4249 flush_scripting(); 4250 4251 out_delete: 4252 if (script.ptime_range) { 4253 itrace_synth_opts__clear_time_range(&itrace_synth_opts); 4254 zfree(&script.ptime_range); 4255 } 4256 4257 zstd_fini(&(session->zstd_data)); 4258 evlist__free_stats(session->evlist); 4259 perf_session__delete(session); 4260 perf_script__exit(&script); 4261 4262 if (script_started) 4263 cleanup_scripting(); 4264 dlfilter__cleanup(dlfilter); 4265 free_dlarg(); 4266 out: 4267 return err; 4268 } 4269