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 #ifdef HAVE_LIBTRACEEVENT 66 #include <traceevent/event-parse.h> 67 #endif 68 69 static char const *script_name; 70 static char const *generate_script_lang; 71 static bool reltime; 72 static bool deltatime; 73 static u64 initial_time; 74 static u64 previous_time; 75 static bool debug_mode; 76 static u64 last_timestamp; 77 static u64 nr_unordered; 78 static bool no_callchain; 79 static bool latency_format; 80 static bool system_wide; 81 static bool print_flags; 82 static const char *cpu_list; 83 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); 84 static struct perf_stat_config stat_config; 85 static int max_blocks; 86 static bool native_arch; 87 static struct dlfilter *dlfilter; 88 static int dlargc; 89 static char **dlargv; 90 91 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH; 92 93 enum perf_output_field { 94 PERF_OUTPUT_COMM = 1ULL << 0, 95 PERF_OUTPUT_TID = 1ULL << 1, 96 PERF_OUTPUT_PID = 1ULL << 2, 97 PERF_OUTPUT_TIME = 1ULL << 3, 98 PERF_OUTPUT_CPU = 1ULL << 4, 99 PERF_OUTPUT_EVNAME = 1ULL << 5, 100 PERF_OUTPUT_TRACE = 1ULL << 6, 101 PERF_OUTPUT_IP = 1ULL << 7, 102 PERF_OUTPUT_SYM = 1ULL << 8, 103 PERF_OUTPUT_DSO = 1ULL << 9, 104 PERF_OUTPUT_ADDR = 1ULL << 10, 105 PERF_OUTPUT_SYMOFFSET = 1ULL << 11, 106 PERF_OUTPUT_SRCLINE = 1ULL << 12, 107 PERF_OUTPUT_PERIOD = 1ULL << 13, 108 PERF_OUTPUT_IREGS = 1ULL << 14, 109 PERF_OUTPUT_BRSTACK = 1ULL << 15, 110 PERF_OUTPUT_BRSTACKSYM = 1ULL << 16, 111 PERF_OUTPUT_DATA_SRC = 1ULL << 17, 112 PERF_OUTPUT_WEIGHT = 1ULL << 18, 113 PERF_OUTPUT_BPF_OUTPUT = 1ULL << 19, 114 PERF_OUTPUT_CALLINDENT = 1ULL << 20, 115 PERF_OUTPUT_INSN = 1ULL << 21, 116 PERF_OUTPUT_INSNLEN = 1ULL << 22, 117 PERF_OUTPUT_BRSTACKINSN = 1ULL << 23, 118 PERF_OUTPUT_BRSTACKOFF = 1ULL << 24, 119 PERF_OUTPUT_SYNTH = 1ULL << 25, 120 PERF_OUTPUT_PHYS_ADDR = 1ULL << 26, 121 PERF_OUTPUT_UREGS = 1ULL << 27, 122 PERF_OUTPUT_METRIC = 1ULL << 28, 123 PERF_OUTPUT_MISC = 1ULL << 29, 124 PERF_OUTPUT_SRCCODE = 1ULL << 30, 125 PERF_OUTPUT_IPC = 1ULL << 31, 126 PERF_OUTPUT_TOD = 1ULL << 32, 127 PERF_OUTPUT_DATA_PAGE_SIZE = 1ULL << 33, 128 PERF_OUTPUT_CODE_PAGE_SIZE = 1ULL << 34, 129 PERF_OUTPUT_INS_LAT = 1ULL << 35, 130 PERF_OUTPUT_BRSTACKINSNLEN = 1ULL << 36, 131 PERF_OUTPUT_MACHINE_PID = 1ULL << 37, 132 PERF_OUTPUT_VCPU = 1ULL << 38, 133 }; 134 135 struct perf_script { 136 struct perf_tool tool; 137 struct perf_session *session; 138 bool show_task_events; 139 bool show_mmap_events; 140 bool show_switch_events; 141 bool show_namespace_events; 142 bool show_lost_events; 143 bool show_round_events; 144 bool show_bpf_events; 145 bool show_cgroup_events; 146 bool show_text_poke_events; 147 bool allocated; 148 bool per_event_dump; 149 bool stitch_lbr; 150 struct evswitch evswitch; 151 struct perf_cpu_map *cpus; 152 struct perf_thread_map *threads; 153 int name_width; 154 const char *time_str; 155 struct perf_time_interval *ptime_range; 156 int range_size; 157 int range_num; 158 }; 159 160 struct output_option { 161 const char *str; 162 enum perf_output_field field; 163 } all_output_options[] = { 164 {.str = "comm", .field = PERF_OUTPUT_COMM}, 165 {.str = "tid", .field = PERF_OUTPUT_TID}, 166 {.str = "pid", .field = PERF_OUTPUT_PID}, 167 {.str = "time", .field = PERF_OUTPUT_TIME}, 168 {.str = "cpu", .field = PERF_OUTPUT_CPU}, 169 {.str = "event", .field = PERF_OUTPUT_EVNAME}, 170 {.str = "trace", .field = PERF_OUTPUT_TRACE}, 171 {.str = "ip", .field = PERF_OUTPUT_IP}, 172 {.str = "sym", .field = PERF_OUTPUT_SYM}, 173 {.str = "dso", .field = PERF_OUTPUT_DSO}, 174 {.str = "addr", .field = PERF_OUTPUT_ADDR}, 175 {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET}, 176 {.str = "srcline", .field = PERF_OUTPUT_SRCLINE}, 177 {.str = "period", .field = PERF_OUTPUT_PERIOD}, 178 {.str = "iregs", .field = PERF_OUTPUT_IREGS}, 179 {.str = "uregs", .field = PERF_OUTPUT_UREGS}, 180 {.str = "brstack", .field = PERF_OUTPUT_BRSTACK}, 181 {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM}, 182 {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC}, 183 {.str = "weight", .field = PERF_OUTPUT_WEIGHT}, 184 {.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT}, 185 {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT}, 186 {.str = "insn", .field = PERF_OUTPUT_INSN}, 187 {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN}, 188 {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN}, 189 {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF}, 190 {.str = "synth", .field = PERF_OUTPUT_SYNTH}, 191 {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR}, 192 {.str = "metric", .field = PERF_OUTPUT_METRIC}, 193 {.str = "misc", .field = PERF_OUTPUT_MISC}, 194 {.str = "srccode", .field = PERF_OUTPUT_SRCCODE}, 195 {.str = "ipc", .field = PERF_OUTPUT_IPC}, 196 {.str = "tod", .field = PERF_OUTPUT_TOD}, 197 {.str = "data_page_size", .field = PERF_OUTPUT_DATA_PAGE_SIZE}, 198 {.str = "code_page_size", .field = PERF_OUTPUT_CODE_PAGE_SIZE}, 199 {.str = "ins_lat", .field = PERF_OUTPUT_INS_LAT}, 200 {.str = "brstackinsnlen", .field = PERF_OUTPUT_BRSTACKINSNLEN}, 201 {.str = "machine_pid", .field = PERF_OUTPUT_MACHINE_PID}, 202 {.str = "vcpu", .field = PERF_OUTPUT_VCPU}, 203 }; 204 205 enum { 206 OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX, 207 OUTPUT_TYPE_OTHER, 208 OUTPUT_TYPE_MAX 209 }; 210 211 /* default set to maintain compatibility with current format */ 212 static struct { 213 bool user_set; 214 bool wildcard_set; 215 unsigned int print_ip_opts; 216 u64 fields; 217 u64 invalid_fields; 218 u64 user_set_fields; 219 u64 user_unset_fields; 220 } output[OUTPUT_TYPE_MAX] = { 221 222 [PERF_TYPE_HARDWARE] = { 223 .user_set = false, 224 225 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 226 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 227 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 228 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 229 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 230 231 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 232 }, 233 234 [PERF_TYPE_SOFTWARE] = { 235 .user_set = false, 236 237 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 238 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 239 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 240 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 241 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 242 PERF_OUTPUT_BPF_OUTPUT, 243 244 .invalid_fields = PERF_OUTPUT_TRACE, 245 }, 246 247 [PERF_TYPE_TRACEPOINT] = { 248 .user_set = false, 249 250 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 251 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 252 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE 253 }, 254 255 [PERF_TYPE_HW_CACHE] = { 256 .user_set = false, 257 258 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 259 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 260 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 261 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 262 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 263 264 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 265 }, 266 267 [PERF_TYPE_RAW] = { 268 .user_set = false, 269 270 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 271 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 272 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 273 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 274 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 275 PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC | 276 PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR | 277 PERF_OUTPUT_DATA_PAGE_SIZE | PERF_OUTPUT_CODE_PAGE_SIZE | 278 PERF_OUTPUT_INS_LAT, 279 280 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 281 }, 282 283 [PERF_TYPE_BREAKPOINT] = { 284 .user_set = false, 285 286 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 287 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 288 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 289 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 290 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 291 292 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 293 }, 294 295 [OUTPUT_TYPE_SYNTH] = { 296 .user_set = false, 297 298 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 299 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 300 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 301 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 302 PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH, 303 304 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 305 }, 306 307 [OUTPUT_TYPE_OTHER] = { 308 .user_set = false, 309 310 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 311 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 312 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 313 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 314 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 315 316 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 317 }, 318 }; 319 320 struct evsel_script { 321 char *filename; 322 FILE *fp; 323 u64 samples; 324 /* For metric output */ 325 u64 val; 326 int gnum; 327 }; 328 329 static inline struct evsel_script *evsel_script(struct evsel *evsel) 330 { 331 return (struct evsel_script *)evsel->priv; 332 } 333 334 static struct evsel_script *evsel_script__new(struct evsel *evsel, struct perf_data *data) 335 { 336 struct evsel_script *es = zalloc(sizeof(*es)); 337 338 if (es != NULL) { 339 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0) 340 goto out_free; 341 es->fp = fopen(es->filename, "w"); 342 if (es->fp == NULL) 343 goto out_free_filename; 344 } 345 346 return es; 347 out_free_filename: 348 zfree(&es->filename); 349 out_free: 350 free(es); 351 return NULL; 352 } 353 354 static void evsel_script__delete(struct evsel_script *es) 355 { 356 zfree(&es->filename); 357 fclose(es->fp); 358 es->fp = NULL; 359 free(es); 360 } 361 362 static int evsel_script__fprintf(struct evsel_script *es, FILE *fp) 363 { 364 struct stat st; 365 366 fstat(fileno(es->fp), &st); 367 return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n", 368 st.st_size / 1024.0 / 1024.0, es->filename, es->samples); 369 } 370 371 static inline int output_type(unsigned int type) 372 { 373 switch (type) { 374 case PERF_TYPE_SYNTH: 375 return OUTPUT_TYPE_SYNTH; 376 default: 377 if (type < PERF_TYPE_MAX) 378 return type; 379 } 380 381 return OUTPUT_TYPE_OTHER; 382 } 383 384 static bool output_set_by_user(void) 385 { 386 int j; 387 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 388 if (output[j].user_set) 389 return true; 390 } 391 return false; 392 } 393 394 static const char *output_field2str(enum perf_output_field field) 395 { 396 int i, imax = ARRAY_SIZE(all_output_options); 397 const char *str = ""; 398 399 for (i = 0; i < imax; ++i) { 400 if (all_output_options[i].field == field) { 401 str = all_output_options[i].str; 402 break; 403 } 404 } 405 return str; 406 } 407 408 #define PRINT_FIELD(x) (output[output_type(attr->type)].fields & PERF_OUTPUT_##x) 409 410 static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg, 411 enum perf_output_field field, bool allow_user_set) 412 { 413 struct perf_event_attr *attr = &evsel->core.attr; 414 int type = output_type(attr->type); 415 const char *evname; 416 417 if (attr->sample_type & sample_type) 418 return 0; 419 420 if (output[type].user_set_fields & field) { 421 if (allow_user_set) 422 return 0; 423 evname = evsel__name(evsel); 424 pr_err("Samples for '%s' event do not have %s attribute set. " 425 "Cannot print '%s' field.\n", 426 evname, sample_msg, output_field2str(field)); 427 return -1; 428 } 429 430 /* user did not ask for it explicitly so remove from the default list */ 431 output[type].fields &= ~field; 432 evname = evsel__name(evsel); 433 pr_debug("Samples for '%s' event do not have %s attribute set. " 434 "Skipping '%s' field.\n", 435 evname, sample_msg, output_field2str(field)); 436 437 return 0; 438 } 439 440 static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg, 441 enum perf_output_field field) 442 { 443 return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false); 444 } 445 446 static int evsel__check_attr(struct evsel *evsel, struct perf_session *session) 447 { 448 struct perf_event_attr *attr = &evsel->core.attr; 449 bool allow_user_set; 450 451 if (evsel__is_dummy_event(evsel)) 452 return 0; 453 454 if (perf_header__has_feat(&session->header, HEADER_STAT)) 455 return 0; 456 457 allow_user_set = perf_header__has_feat(&session->header, 458 HEADER_AUXTRACE); 459 460 if (PRINT_FIELD(TRACE) && 461 !perf_session__has_traces(session, "record -R")) 462 return -EINVAL; 463 464 if (PRINT_FIELD(IP)) { 465 if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP)) 466 return -EINVAL; 467 } 468 469 if (PRINT_FIELD(ADDR) && 470 evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set)) 471 return -EINVAL; 472 473 if (PRINT_FIELD(DATA_SRC) && 474 evsel__do_check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC, allow_user_set)) 475 return -EINVAL; 476 477 if (PRINT_FIELD(WEIGHT) && 478 evsel__do_check_stype(evsel, PERF_SAMPLE_WEIGHT_TYPE, "WEIGHT", PERF_OUTPUT_WEIGHT, allow_user_set)) 479 return -EINVAL; 480 481 if (PRINT_FIELD(SYM) && 482 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 483 pr_err("Display of symbols requested but neither sample IP nor " 484 "sample address\navailable. Hence, no addresses to convert " 485 "to symbols.\n"); 486 return -EINVAL; 487 } 488 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) { 489 pr_err("Display of offsets requested but symbol is not" 490 "selected.\n"); 491 return -EINVAL; 492 } 493 if (PRINT_FIELD(DSO) && 494 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 495 pr_err("Display of DSO requested but no address to convert.\n"); 496 return -EINVAL; 497 } 498 if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) { 499 pr_err("Display of source line number requested but sample IP is not\n" 500 "selected. Hence, no address to lookup the source line number.\n"); 501 return -EINVAL; 502 } 503 if ((PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN)) && !allow_user_set && 504 !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) { 505 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n" 506 "Hint: run 'perf record -b ...'\n"); 507 return -EINVAL; 508 } 509 if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) && 510 evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID)) 511 return -EINVAL; 512 513 if (PRINT_FIELD(TIME) && 514 evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME)) 515 return -EINVAL; 516 517 if (PRINT_FIELD(CPU) && 518 evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set)) 519 return -EINVAL; 520 521 if (PRINT_FIELD(IREGS) && 522 evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set)) 523 return -EINVAL; 524 525 if (PRINT_FIELD(UREGS) && 526 evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS)) 527 return -EINVAL; 528 529 if (PRINT_FIELD(PHYS_ADDR) && 530 evsel__do_check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR, allow_user_set)) 531 return -EINVAL; 532 533 if (PRINT_FIELD(DATA_PAGE_SIZE) && 534 evsel__check_stype(evsel, PERF_SAMPLE_DATA_PAGE_SIZE, "DATA_PAGE_SIZE", PERF_OUTPUT_DATA_PAGE_SIZE)) 535 return -EINVAL; 536 537 if (PRINT_FIELD(CODE_PAGE_SIZE) && 538 evsel__check_stype(evsel, PERF_SAMPLE_CODE_PAGE_SIZE, "CODE_PAGE_SIZE", PERF_OUTPUT_CODE_PAGE_SIZE)) 539 return -EINVAL; 540 541 if (PRINT_FIELD(INS_LAT) && 542 evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_INS_LAT)) 543 return -EINVAL; 544 545 return 0; 546 } 547 548 static void set_print_ip_opts(struct perf_event_attr *attr) 549 { 550 unsigned int type = output_type(attr->type); 551 552 output[type].print_ip_opts = 0; 553 if (PRINT_FIELD(IP)) 554 output[type].print_ip_opts |= EVSEL__PRINT_IP; 555 556 if (PRINT_FIELD(SYM)) 557 output[type].print_ip_opts |= EVSEL__PRINT_SYM; 558 559 if (PRINT_FIELD(DSO)) 560 output[type].print_ip_opts |= EVSEL__PRINT_DSO; 561 562 if (PRINT_FIELD(SYMOFFSET)) 563 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET; 564 565 if (PRINT_FIELD(SRCLINE)) 566 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE; 567 } 568 569 static struct evsel *find_first_output_type(struct evlist *evlist, 570 unsigned int type) 571 { 572 struct evsel *evsel; 573 574 evlist__for_each_entry(evlist, evsel) { 575 if (evsel__is_dummy_event(evsel)) 576 continue; 577 if (output_type(evsel->core.attr.type) == (int)type) 578 return evsel; 579 } 580 return NULL; 581 } 582 583 /* 584 * verify all user requested events exist and the samples 585 * have the expected data 586 */ 587 static int perf_session__check_output_opt(struct perf_session *session) 588 { 589 bool tod = false; 590 unsigned int j; 591 struct evsel *evsel; 592 593 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 594 evsel = find_first_output_type(session->evlist, j); 595 596 /* 597 * even if fields is set to 0 (ie., show nothing) event must 598 * exist if user explicitly includes it on the command line 599 */ 600 if (!evsel && output[j].user_set && !output[j].wildcard_set && 601 j != OUTPUT_TYPE_SYNTH) { 602 pr_err("%s events do not exist. " 603 "Remove corresponding -F option to proceed.\n", 604 event_type(j)); 605 return -1; 606 } 607 608 if (evsel && output[j].fields && 609 evsel__check_attr(evsel, session)) 610 return -1; 611 612 if (evsel == NULL) 613 continue; 614 615 set_print_ip_opts(&evsel->core.attr); 616 tod |= output[j].fields & PERF_OUTPUT_TOD; 617 } 618 619 if (!no_callchain) { 620 bool use_callchain = false; 621 bool not_pipe = false; 622 623 evlist__for_each_entry(session->evlist, evsel) { 624 not_pipe = true; 625 if (evsel__has_callchain(evsel)) { 626 use_callchain = true; 627 break; 628 } 629 } 630 if (not_pipe && !use_callchain) 631 symbol_conf.use_callchain = false; 632 } 633 634 /* 635 * set default for tracepoints to print symbols only 636 * if callchains are present 637 */ 638 if (symbol_conf.use_callchain && 639 !output[PERF_TYPE_TRACEPOINT].user_set) { 640 j = PERF_TYPE_TRACEPOINT; 641 642 evlist__for_each_entry(session->evlist, evsel) { 643 if (evsel->core.attr.type != j) 644 continue; 645 646 if (evsel__has_callchain(evsel)) { 647 output[j].fields |= PERF_OUTPUT_IP; 648 output[j].fields |= PERF_OUTPUT_SYM; 649 output[j].fields |= PERF_OUTPUT_SYMOFFSET; 650 output[j].fields |= PERF_OUTPUT_DSO; 651 set_print_ip_opts(&evsel->core.attr); 652 goto out; 653 } 654 } 655 } 656 657 if (tod && !session->header.env.clock.enabled) { 658 pr_err("Can't provide 'tod' time, missing clock data. " 659 "Please record with -k/--clockid option.\n"); 660 return -1; 661 } 662 out: 663 return 0; 664 } 665 666 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask, const char *arch, 667 FILE *fp) 668 { 669 unsigned i = 0, r; 670 int printed = 0; 671 672 if (!regs || !regs->regs) 673 return 0; 674 675 printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi); 676 677 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) { 678 u64 val = regs->regs[i++]; 679 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r, arch), val); 680 } 681 682 return printed; 683 } 684 685 #define DEFAULT_TOD_FMT "%F %H:%M:%S" 686 687 static char* 688 tod_scnprintf(struct perf_script *script, char *buf, int buflen, 689 u64 timestamp) 690 { 691 u64 tod_ns, clockid_ns; 692 struct perf_env *env; 693 unsigned long nsec; 694 struct tm ltime; 695 char date[64]; 696 time_t sec; 697 698 buf[0] = '\0'; 699 if (buflen < 64 || !script) 700 return buf; 701 702 env = &script->session->header.env; 703 if (!env->clock.enabled) { 704 scnprintf(buf, buflen, "disabled"); 705 return buf; 706 } 707 708 clockid_ns = env->clock.clockid_ns; 709 tod_ns = env->clock.tod_ns; 710 711 if (timestamp > clockid_ns) 712 tod_ns += timestamp - clockid_ns; 713 else 714 tod_ns -= clockid_ns - timestamp; 715 716 sec = (time_t) (tod_ns / NSEC_PER_SEC); 717 nsec = tod_ns - sec * NSEC_PER_SEC; 718 719 if (localtime_r(&sec, <ime) == NULL) { 720 scnprintf(buf, buflen, "failed"); 721 } else { 722 strftime(date, sizeof(date), DEFAULT_TOD_FMT, <ime); 723 724 if (symbol_conf.nanosecs) { 725 snprintf(buf, buflen, "%s.%09lu", date, nsec); 726 } else { 727 snprintf(buf, buflen, "%s.%06lu", 728 date, nsec / NSEC_PER_USEC); 729 } 730 } 731 732 return buf; 733 } 734 735 static int perf_sample__fprintf_iregs(struct perf_sample *sample, 736 struct perf_event_attr *attr, const char *arch, FILE *fp) 737 { 738 return perf_sample__fprintf_regs(&sample->intr_regs, 739 attr->sample_regs_intr, arch, fp); 740 } 741 742 static int perf_sample__fprintf_uregs(struct perf_sample *sample, 743 struct perf_event_attr *attr, const char *arch, FILE *fp) 744 { 745 return perf_sample__fprintf_regs(&sample->user_regs, 746 attr->sample_regs_user, arch, fp); 747 } 748 749 static int perf_sample__fprintf_start(struct perf_script *script, 750 struct perf_sample *sample, 751 struct thread *thread, 752 struct evsel *evsel, 753 u32 type, FILE *fp) 754 { 755 struct perf_event_attr *attr = &evsel->core.attr; 756 unsigned long secs; 757 unsigned long long nsecs; 758 int printed = 0; 759 char tstr[128]; 760 761 if (PRINT_FIELD(MACHINE_PID) && sample->machine_pid) 762 printed += fprintf(fp, "VM:%5d ", sample->machine_pid); 763 764 /* Print VCPU only for guest events i.e. with machine_pid */ 765 if (PRINT_FIELD(VCPU) && sample->machine_pid) 766 printed += fprintf(fp, "VCPU:%03d ", sample->vcpu); 767 768 if (PRINT_FIELD(COMM)) { 769 const char *comm = thread ? thread__comm_str(thread) : ":-1"; 770 771 if (latency_format) 772 printed += fprintf(fp, "%8.8s ", comm); 773 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain) 774 printed += fprintf(fp, "%s ", comm); 775 else 776 printed += fprintf(fp, "%16s ", comm); 777 } 778 779 if (PRINT_FIELD(PID) && PRINT_FIELD(TID)) 780 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid); 781 else if (PRINT_FIELD(PID)) 782 printed += fprintf(fp, "%5d ", sample->pid); 783 else if (PRINT_FIELD(TID)) 784 printed += fprintf(fp, "%5d ", sample->tid); 785 786 if (PRINT_FIELD(CPU)) { 787 if (latency_format) 788 printed += fprintf(fp, "%3d ", sample->cpu); 789 else 790 printed += fprintf(fp, "[%03d] ", sample->cpu); 791 } 792 793 if (PRINT_FIELD(MISC)) { 794 int ret = 0; 795 796 #define has(m) \ 797 (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m 798 799 if (has(KERNEL)) 800 ret += fprintf(fp, "K"); 801 if (has(USER)) 802 ret += fprintf(fp, "U"); 803 if (has(HYPERVISOR)) 804 ret += fprintf(fp, "H"); 805 if (has(GUEST_KERNEL)) 806 ret += fprintf(fp, "G"); 807 if (has(GUEST_USER)) 808 ret += fprintf(fp, "g"); 809 810 switch (type) { 811 case PERF_RECORD_MMAP: 812 case PERF_RECORD_MMAP2: 813 if (has(MMAP_DATA)) 814 ret += fprintf(fp, "M"); 815 break; 816 case PERF_RECORD_COMM: 817 if (has(COMM_EXEC)) 818 ret += fprintf(fp, "E"); 819 break; 820 case PERF_RECORD_SWITCH: 821 case PERF_RECORD_SWITCH_CPU_WIDE: 822 if (has(SWITCH_OUT)) { 823 ret += fprintf(fp, "S"); 824 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT) 825 ret += fprintf(fp, "p"); 826 } 827 default: 828 break; 829 } 830 831 #undef has 832 833 ret += fprintf(fp, "%*s", 6 - ret, " "); 834 printed += ret; 835 } 836 837 if (PRINT_FIELD(TOD)) { 838 tod_scnprintf(script, tstr, sizeof(tstr), sample->time); 839 printed += fprintf(fp, "%s ", tstr); 840 } 841 842 if (PRINT_FIELD(TIME)) { 843 u64 t = sample->time; 844 if (reltime) { 845 if (!initial_time) 846 initial_time = sample->time; 847 t = sample->time - initial_time; 848 } else if (deltatime) { 849 if (previous_time) 850 t = sample->time - previous_time; 851 else { 852 t = 0; 853 } 854 previous_time = sample->time; 855 } 856 nsecs = t; 857 secs = nsecs / NSEC_PER_SEC; 858 nsecs -= secs * NSEC_PER_SEC; 859 860 if (symbol_conf.nanosecs) 861 printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs); 862 else { 863 char sample_time[32]; 864 timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time)); 865 printed += fprintf(fp, "%12s: ", sample_time); 866 } 867 } 868 869 return printed; 870 } 871 872 static inline char 873 mispred_str(struct branch_entry *br) 874 { 875 if (!(br->flags.mispred || br->flags.predicted)) 876 return '-'; 877 878 return br->flags.predicted ? 'P' : 'M'; 879 } 880 881 static int print_bstack_flags(FILE *fp, struct branch_entry *br) 882 { 883 return fprintf(fp, "/%c/%c/%c/%d/%s ", 884 mispred_str(br), 885 br->flags.in_tx ? 'X' : '-', 886 br->flags.abort ? 'A' : '-', 887 br->flags.cycles, 888 get_branch_type(br)); 889 } 890 891 static int perf_sample__fprintf_brstack(struct perf_sample *sample, 892 struct thread *thread, 893 struct perf_event_attr *attr, FILE *fp) 894 { 895 struct branch_stack *br = sample->branch_stack; 896 struct branch_entry *entries = perf_sample__branch_entries(sample); 897 struct addr_location alf, alt; 898 u64 i, from, to; 899 int printed = 0; 900 901 if (!(br && br->nr)) 902 return 0; 903 904 for (i = 0; i < br->nr; i++) { 905 from = entries[i].from; 906 to = entries[i].to; 907 908 if (PRINT_FIELD(DSO)) { 909 memset(&alf, 0, sizeof(alf)); 910 memset(&alt, 0, sizeof(alt)); 911 thread__find_map_fb(thread, sample->cpumode, from, &alf); 912 thread__find_map_fb(thread, sample->cpumode, to, &alt); 913 } 914 915 printed += fprintf(fp, " 0x%"PRIx64, from); 916 if (PRINT_FIELD(DSO)) { 917 printed += fprintf(fp, "("); 918 printed += map__fprintf_dsoname(alf.map, fp); 919 printed += fprintf(fp, ")"); 920 } 921 922 printed += fprintf(fp, "/0x%"PRIx64, to); 923 if (PRINT_FIELD(DSO)) { 924 printed += fprintf(fp, "("); 925 printed += map__fprintf_dsoname(alt.map, fp); 926 printed += fprintf(fp, ")"); 927 } 928 929 printed += print_bstack_flags(fp, entries + i); 930 } 931 932 return printed; 933 } 934 935 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample, 936 struct thread *thread, 937 struct perf_event_attr *attr, FILE *fp) 938 { 939 struct branch_stack *br = sample->branch_stack; 940 struct branch_entry *entries = perf_sample__branch_entries(sample); 941 struct addr_location alf, alt; 942 u64 i, from, to; 943 int printed = 0; 944 945 if (!(br && br->nr)) 946 return 0; 947 948 for (i = 0; i < br->nr; i++) { 949 950 memset(&alf, 0, sizeof(alf)); 951 memset(&alt, 0, sizeof(alt)); 952 from = entries[i].from; 953 to = entries[i].to; 954 955 thread__find_symbol_fb(thread, sample->cpumode, from, &alf); 956 thread__find_symbol_fb(thread, sample->cpumode, to, &alt); 957 958 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp); 959 if (PRINT_FIELD(DSO)) { 960 printed += fprintf(fp, "("); 961 printed += map__fprintf_dsoname(alf.map, fp); 962 printed += fprintf(fp, ")"); 963 } 964 printed += fprintf(fp, "%c", '/'); 965 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp); 966 if (PRINT_FIELD(DSO)) { 967 printed += fprintf(fp, "("); 968 printed += map__fprintf_dsoname(alt.map, fp); 969 printed += fprintf(fp, ")"); 970 } 971 printed += print_bstack_flags(fp, entries + i); 972 } 973 974 return printed; 975 } 976 977 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample, 978 struct thread *thread, 979 struct perf_event_attr *attr, FILE *fp) 980 { 981 struct branch_stack *br = sample->branch_stack; 982 struct branch_entry *entries = perf_sample__branch_entries(sample); 983 struct addr_location alf, alt; 984 u64 i, from, to; 985 int printed = 0; 986 987 if (!(br && br->nr)) 988 return 0; 989 990 for (i = 0; i < br->nr; i++) { 991 992 memset(&alf, 0, sizeof(alf)); 993 memset(&alt, 0, sizeof(alt)); 994 from = entries[i].from; 995 to = entries[i].to; 996 997 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) && 998 !alf.map->dso->adjust_symbols) 999 from = map__map_ip(alf.map, from); 1000 1001 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) && 1002 !alt.map->dso->adjust_symbols) 1003 to = map__map_ip(alt.map, to); 1004 1005 printed += fprintf(fp, " 0x%"PRIx64, from); 1006 if (PRINT_FIELD(DSO)) { 1007 printed += fprintf(fp, "("); 1008 printed += map__fprintf_dsoname(alf.map, fp); 1009 printed += fprintf(fp, ")"); 1010 } 1011 printed += fprintf(fp, "/0x%"PRIx64, to); 1012 if (PRINT_FIELD(DSO)) { 1013 printed += fprintf(fp, "("); 1014 printed += map__fprintf_dsoname(alt.map, fp); 1015 printed += fprintf(fp, ")"); 1016 } 1017 printed += print_bstack_flags(fp, entries + i); 1018 } 1019 1020 return printed; 1021 } 1022 #define MAXBB 16384UL 1023 1024 static int grab_bb(u8 *buffer, u64 start, u64 end, 1025 struct machine *machine, struct thread *thread, 1026 bool *is64bit, u8 *cpumode, bool last) 1027 { 1028 long offset, len; 1029 struct addr_location al; 1030 bool kernel; 1031 1032 if (!start || !end) 1033 return 0; 1034 1035 kernel = machine__kernel_ip(machine, start); 1036 if (kernel) 1037 *cpumode = PERF_RECORD_MISC_KERNEL; 1038 else 1039 *cpumode = PERF_RECORD_MISC_USER; 1040 1041 /* 1042 * Block overlaps between kernel and user. 1043 * This can happen due to ring filtering 1044 * On Intel CPUs the entry into the kernel is filtered, 1045 * but the exit is not. Let the caller patch it up. 1046 */ 1047 if (kernel != machine__kernel_ip(machine, end)) { 1048 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end); 1049 return -ENXIO; 1050 } 1051 1052 memset(&al, 0, sizeof(al)); 1053 if (end - start > MAXBB - MAXINSN) { 1054 if (last) 1055 pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end); 1056 else 1057 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start); 1058 return 0; 1059 } 1060 1061 if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) { 1062 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 1063 return 0; 1064 } 1065 if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) { 1066 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 1067 return 0; 1068 } 1069 1070 /* Load maps to ensure dso->is_64_bit has been updated */ 1071 map__load(al.map); 1072 1073 offset = al.map->map_ip(al.map, start); 1074 len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer, 1075 end - start + MAXINSN); 1076 1077 *is64bit = al.map->dso->is_64_bit; 1078 if (len <= 0) 1079 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n", 1080 start, end); 1081 return len; 1082 } 1083 1084 static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state) 1085 { 1086 char *srcfile; 1087 int ret = 0; 1088 unsigned line; 1089 int len; 1090 char *srccode; 1091 1092 if (!map || !map->dso) 1093 return 0; 1094 srcfile = get_srcline_split(map->dso, 1095 map__rip_2objdump(map, addr), 1096 &line); 1097 if (!srcfile) 1098 return 0; 1099 1100 /* Avoid redundant printing */ 1101 if (state && 1102 state->srcfile && 1103 !strcmp(state->srcfile, srcfile) && 1104 state->line == line) { 1105 free(srcfile); 1106 return 0; 1107 } 1108 1109 srccode = find_sourceline(srcfile, line, &len); 1110 if (!srccode) 1111 goto out_free_line; 1112 1113 ret = fprintf(fp, "|%-8d %.*s", line, len, srccode); 1114 1115 if (state) { 1116 state->srcfile = srcfile; 1117 state->line = line; 1118 } 1119 return ret; 1120 1121 out_free_line: 1122 free(srcfile); 1123 return ret; 1124 } 1125 1126 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr) 1127 { 1128 struct addr_location al; 1129 int ret = 0; 1130 1131 memset(&al, 0, sizeof(al)); 1132 thread__find_map(thread, cpumode, addr, &al); 1133 if (!al.map) 1134 return 0; 1135 ret = map__fprintf_srccode(al.map, al.addr, stdout, 1136 &thread->srccode_state); 1137 if (ret) 1138 ret += printf("\n"); 1139 return ret; 1140 } 1141 1142 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en, 1143 struct perf_insn *x, u8 *inbuf, int len, 1144 int insn, FILE *fp, int *total_cycles, 1145 struct perf_event_attr *attr) 1146 { 1147 int ilen = 0; 1148 int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t", ip, 1149 dump_insn(x, ip, inbuf, len, &ilen)); 1150 1151 if (PRINT_FIELD(BRSTACKINSNLEN)) 1152 printed += fprintf(fp, "ilen: %d\t", ilen); 1153 1154 printed += fprintf(fp, "#%s%s%s%s", 1155 en->flags.predicted ? " PRED" : "", 1156 en->flags.mispred ? " MISPRED" : "", 1157 en->flags.in_tx ? " INTX" : "", 1158 en->flags.abort ? " ABORT" : ""); 1159 if (en->flags.cycles) { 1160 *total_cycles += en->flags.cycles; 1161 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles); 1162 if (insn) 1163 printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles); 1164 } 1165 return printed + fprintf(fp, "\n"); 1166 } 1167 1168 static int ip__fprintf_sym(uint64_t addr, struct thread *thread, 1169 u8 cpumode, int cpu, struct symbol **lastsym, 1170 struct perf_event_attr *attr, FILE *fp) 1171 { 1172 struct addr_location al; 1173 int off, printed = 0; 1174 1175 memset(&al, 0, sizeof(al)); 1176 1177 thread__find_map(thread, cpumode, addr, &al); 1178 1179 if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end) 1180 return 0; 1181 1182 al.cpu = cpu; 1183 al.sym = NULL; 1184 if (al.map) 1185 al.sym = map__find_symbol(al.map, al.addr); 1186 1187 if (!al.sym) 1188 return 0; 1189 1190 if (al.addr < al.sym->end) 1191 off = al.addr - al.sym->start; 1192 else 1193 off = al.addr - al.map->start - al.sym->start; 1194 printed += fprintf(fp, "\t%s", al.sym->name); 1195 if (off) 1196 printed += fprintf(fp, "%+d", off); 1197 printed += fprintf(fp, ":"); 1198 if (PRINT_FIELD(SRCLINE)) 1199 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp); 1200 printed += fprintf(fp, "\n"); 1201 *lastsym = al.sym; 1202 1203 return printed; 1204 } 1205 1206 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample, 1207 struct thread *thread, 1208 struct perf_event_attr *attr, 1209 struct machine *machine, FILE *fp) 1210 { 1211 struct branch_stack *br = sample->branch_stack; 1212 struct branch_entry *entries = perf_sample__branch_entries(sample); 1213 u64 start, end; 1214 int i, insn, len, nr, ilen, printed = 0; 1215 struct perf_insn x; 1216 u8 buffer[MAXBB]; 1217 unsigned off; 1218 struct symbol *lastsym = NULL; 1219 int total_cycles = 0; 1220 1221 if (!(br && br->nr)) 1222 return 0; 1223 nr = br->nr; 1224 if (max_blocks && nr > max_blocks + 1) 1225 nr = max_blocks + 1; 1226 1227 x.thread = thread; 1228 x.cpu = sample->cpu; 1229 1230 printed += fprintf(fp, "%c", '\n'); 1231 1232 /* Handle first from jump, of which we don't know the entry. */ 1233 len = grab_bb(buffer, entries[nr-1].from, 1234 entries[nr-1].from, 1235 machine, thread, &x.is64bit, &x.cpumode, false); 1236 if (len > 0) { 1237 printed += ip__fprintf_sym(entries[nr - 1].from, thread, 1238 x.cpumode, x.cpu, &lastsym, attr, fp); 1239 printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1], 1240 &x, buffer, len, 0, fp, &total_cycles, 1241 attr); 1242 if (PRINT_FIELD(SRCCODE)) 1243 printed += print_srccode(thread, x.cpumode, entries[nr - 1].from); 1244 } 1245 1246 /* Print all blocks */ 1247 for (i = nr - 2; i >= 0; i--) { 1248 if (entries[i].from || entries[i].to) 1249 pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i, 1250 entries[i].from, 1251 entries[i].to); 1252 start = entries[i + 1].to; 1253 end = entries[i].from; 1254 1255 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1256 /* Patch up missing kernel transfers due to ring filters */ 1257 if (len == -ENXIO && i > 0) { 1258 end = entries[--i].from; 1259 pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end); 1260 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1261 } 1262 if (len <= 0) 1263 continue; 1264 1265 insn = 0; 1266 for (off = 0; off < (unsigned)len; off += ilen) { 1267 uint64_t ip = start + off; 1268 1269 printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1270 if (ip == end) { 1271 printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp, 1272 &total_cycles, attr); 1273 if (PRINT_FIELD(SRCCODE)) 1274 printed += print_srccode(thread, x.cpumode, ip); 1275 break; 1276 } else { 1277 ilen = 0; 1278 printed += fprintf(fp, "\t%016" PRIx64 "\t%s", ip, 1279 dump_insn(&x, ip, buffer + off, len - off, &ilen)); 1280 if (PRINT_FIELD(BRSTACKINSNLEN)) 1281 printed += fprintf(fp, "\tilen: %d", ilen); 1282 printed += fprintf(fp, "\n"); 1283 if (ilen == 0) 1284 break; 1285 if (PRINT_FIELD(SRCCODE)) 1286 print_srccode(thread, x.cpumode, ip); 1287 insn++; 1288 } 1289 } 1290 if (off != end - start) 1291 printed += fprintf(fp, "\tmismatch of LBR data and executable\n"); 1292 } 1293 1294 /* 1295 * Hit the branch? In this case we are already done, and the target 1296 * has not been executed yet. 1297 */ 1298 if (entries[0].from == sample->ip) 1299 goto out; 1300 if (entries[0].flags.abort) 1301 goto out; 1302 1303 /* 1304 * Print final block upto sample 1305 * 1306 * Due to pipeline delays the LBRs might be missing a branch 1307 * or two, which can result in very large or negative blocks 1308 * between final branch and sample. When this happens just 1309 * continue walking after the last TO until we hit a branch. 1310 */ 1311 start = entries[0].to; 1312 end = sample->ip; 1313 if (end < start) { 1314 /* Missing jump. Scan 128 bytes for the next branch */ 1315 end = start + 128; 1316 } 1317 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true); 1318 printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1319 if (len <= 0) { 1320 /* Print at least last IP if basic block did not work */ 1321 len = grab_bb(buffer, sample->ip, sample->ip, 1322 machine, thread, &x.is64bit, &x.cpumode, false); 1323 if (len <= 0) 1324 goto out; 1325 ilen = 0; 1326 printed += fprintf(fp, "\t%016" PRIx64 "\t%s", sample->ip, 1327 dump_insn(&x, sample->ip, buffer, len, &ilen)); 1328 if (PRINT_FIELD(BRSTACKINSNLEN)) 1329 printed += fprintf(fp, "\tilen: %d", ilen); 1330 printed += fprintf(fp, "\n"); 1331 if (PRINT_FIELD(SRCCODE)) 1332 print_srccode(thread, x.cpumode, sample->ip); 1333 goto out; 1334 } 1335 for (off = 0; off <= end - start; off += ilen) { 1336 ilen = 0; 1337 printed += fprintf(fp, "\t%016" PRIx64 "\t%s", start + off, 1338 dump_insn(&x, start + off, buffer + off, len - off, &ilen)); 1339 if (PRINT_FIELD(BRSTACKINSNLEN)) 1340 printed += fprintf(fp, "\tilen: %d", ilen); 1341 printed += fprintf(fp, "\n"); 1342 if (ilen == 0) 1343 break; 1344 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) { 1345 /* 1346 * Hit a missing branch. Just stop. 1347 */ 1348 printed += fprintf(fp, "\t... not reaching sample ...\n"); 1349 break; 1350 } 1351 if (PRINT_FIELD(SRCCODE)) 1352 print_srccode(thread, x.cpumode, start + off); 1353 } 1354 out: 1355 return printed; 1356 } 1357 1358 static int perf_sample__fprintf_addr(struct perf_sample *sample, 1359 struct thread *thread, 1360 struct perf_event_attr *attr, FILE *fp) 1361 { 1362 struct addr_location al; 1363 int printed = fprintf(fp, "%16" PRIx64, sample->addr); 1364 1365 if (!sample_addr_correlates_sym(attr)) 1366 goto out; 1367 1368 thread__resolve(thread, &al, sample); 1369 1370 if (PRINT_FIELD(SYM)) { 1371 printed += fprintf(fp, " "); 1372 if (PRINT_FIELD(SYMOFFSET)) 1373 printed += symbol__fprintf_symname_offs(al.sym, &al, fp); 1374 else 1375 printed += symbol__fprintf_symname(al.sym, fp); 1376 } 1377 1378 if (PRINT_FIELD(DSO)) { 1379 printed += fprintf(fp, " ("); 1380 printed += map__fprintf_dsoname(al.map, fp); 1381 printed += fprintf(fp, ")"); 1382 } 1383 out: 1384 return printed; 1385 } 1386 1387 static const char *resolve_branch_sym(struct perf_sample *sample, 1388 struct evsel *evsel, 1389 struct thread *thread, 1390 struct addr_location *al, 1391 struct addr_location *addr_al, 1392 u64 *ip) 1393 { 1394 struct perf_event_attr *attr = &evsel->core.attr; 1395 const char *name = NULL; 1396 1397 if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) { 1398 if (sample_addr_correlates_sym(attr)) { 1399 if (!addr_al->thread) 1400 thread__resolve(thread, addr_al, sample); 1401 if (addr_al->sym) 1402 name = addr_al->sym->name; 1403 else 1404 *ip = sample->addr; 1405 } else { 1406 *ip = sample->addr; 1407 } 1408 } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) { 1409 if (al->sym) 1410 name = al->sym->name; 1411 else 1412 *ip = sample->ip; 1413 } 1414 return name; 1415 } 1416 1417 static int perf_sample__fprintf_callindent(struct perf_sample *sample, 1418 struct evsel *evsel, 1419 struct thread *thread, 1420 struct addr_location *al, 1421 struct addr_location *addr_al, 1422 FILE *fp) 1423 { 1424 struct perf_event_attr *attr = &evsel->core.attr; 1425 size_t depth = thread_stack__depth(thread, sample->cpu); 1426 const char *name = NULL; 1427 static int spacing; 1428 int len = 0; 1429 int dlen = 0; 1430 u64 ip = 0; 1431 1432 /* 1433 * The 'return' has already been popped off the stack so the depth has 1434 * to be adjusted to match the 'call'. 1435 */ 1436 if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN) 1437 depth += 1; 1438 1439 name = resolve_branch_sym(sample, evsel, thread, al, addr_al, &ip); 1440 1441 if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) { 1442 dlen += fprintf(fp, "("); 1443 dlen += map__fprintf_dsoname(al->map, fp); 1444 dlen += fprintf(fp, ")\t"); 1445 } 1446 1447 if (name) 1448 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name); 1449 else if (ip) 1450 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip); 1451 1452 if (len < 0) 1453 return len; 1454 1455 /* 1456 * Try to keep the output length from changing frequently so that the 1457 * output lines up more nicely. 1458 */ 1459 if (len > spacing || (len && len < spacing - 52)) 1460 spacing = round_up(len + 4, 32); 1461 1462 if (len < spacing) 1463 len += fprintf(fp, "%*s", spacing - len, ""); 1464 1465 return len + dlen; 1466 } 1467 1468 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused, 1469 struct thread *thread __maybe_unused, 1470 struct machine *machine __maybe_unused) 1471 { 1472 } 1473 1474 void script_fetch_insn(struct perf_sample *sample, struct thread *thread, 1475 struct machine *machine) 1476 { 1477 if (sample->insn_len == 0 && native_arch) 1478 arch_fetch_insn(sample, thread, machine); 1479 } 1480 1481 static int perf_sample__fprintf_insn(struct perf_sample *sample, 1482 struct perf_event_attr *attr, 1483 struct thread *thread, 1484 struct machine *machine, FILE *fp) 1485 { 1486 int printed = 0; 1487 1488 script_fetch_insn(sample, thread, machine); 1489 1490 if (PRINT_FIELD(INSNLEN)) 1491 printed += fprintf(fp, " ilen: %d", sample->insn_len); 1492 if (PRINT_FIELD(INSN) && sample->insn_len) { 1493 int i; 1494 1495 printed += fprintf(fp, " insn:"); 1496 for (i = 0; i < sample->insn_len; i++) 1497 printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]); 1498 } 1499 if (PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN)) 1500 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp); 1501 1502 return printed; 1503 } 1504 1505 static int perf_sample__fprintf_ipc(struct perf_sample *sample, 1506 struct perf_event_attr *attr, FILE *fp) 1507 { 1508 unsigned int ipc; 1509 1510 if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt) 1511 return 0; 1512 1513 ipc = (sample->insn_cnt * 100) / sample->cyc_cnt; 1514 1515 return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ", 1516 ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt); 1517 } 1518 1519 static int perf_sample__fprintf_bts(struct perf_sample *sample, 1520 struct evsel *evsel, 1521 struct thread *thread, 1522 struct addr_location *al, 1523 struct addr_location *addr_al, 1524 struct machine *machine, FILE *fp) 1525 { 1526 struct perf_event_attr *attr = &evsel->core.attr; 1527 unsigned int type = output_type(attr->type); 1528 bool print_srcline_last = false; 1529 int printed = 0; 1530 1531 if (PRINT_FIELD(CALLINDENT)) 1532 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, addr_al, fp); 1533 1534 /* print branch_from information */ 1535 if (PRINT_FIELD(IP)) { 1536 unsigned int print_opts = output[type].print_ip_opts; 1537 struct callchain_cursor *cursor = NULL; 1538 1539 if (symbol_conf.use_callchain && sample->callchain && 1540 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 1541 sample, NULL, NULL, scripting_max_stack) == 0) 1542 cursor = &callchain_cursor; 1543 1544 if (cursor == NULL) { 1545 printed += fprintf(fp, " "); 1546 if (print_opts & EVSEL__PRINT_SRCLINE) { 1547 print_srcline_last = true; 1548 print_opts &= ~EVSEL__PRINT_SRCLINE; 1549 } 1550 } else 1551 printed += fprintf(fp, "\n"); 1552 1553 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, 1554 symbol_conf.bt_stop_list, fp); 1555 } 1556 1557 /* print branch_to information */ 1558 if (PRINT_FIELD(ADDR) || 1559 ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 1560 !output[type].user_set)) { 1561 printed += fprintf(fp, " => "); 1562 printed += perf_sample__fprintf_addr(sample, thread, attr, fp); 1563 } 1564 1565 printed += perf_sample__fprintf_ipc(sample, attr, fp); 1566 1567 if (print_srcline_last) 1568 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp); 1569 1570 printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 1571 printed += fprintf(fp, "\n"); 1572 if (PRINT_FIELD(SRCCODE)) { 1573 int ret = map__fprintf_srccode(al->map, al->addr, stdout, 1574 &thread->srccode_state); 1575 if (ret) { 1576 printed += ret; 1577 printed += printf("\n"); 1578 } 1579 } 1580 return printed; 1581 } 1582 1583 static struct { 1584 u32 flags; 1585 const char *name; 1586 } sample_flags[] = { 1587 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"}, 1588 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"}, 1589 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"}, 1590 {PERF_IP_FLAG_BRANCH, "jmp"}, 1591 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"}, 1592 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"}, 1593 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"}, 1594 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"}, 1595 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"}, 1596 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"}, 1597 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"}, 1598 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"}, 1599 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"}, 1600 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMENTRY, "vmentry"}, 1601 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMEXIT, "vmexit"}, 1602 {0, NULL} 1603 }; 1604 1605 static const char *sample_flags_to_name(u32 flags) 1606 { 1607 int i; 1608 1609 for (i = 0; sample_flags[i].name ; i++) { 1610 if (sample_flags[i].flags == flags) 1611 return sample_flags[i].name; 1612 } 1613 1614 return NULL; 1615 } 1616 1617 int perf_sample__sprintf_flags(u32 flags, char *str, size_t sz) 1618 { 1619 u32 xf = PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_INTR_DISABLE | 1620 PERF_IP_FLAG_INTR_TOGGLE; 1621 const char *chars = PERF_IP_FLAG_CHARS; 1622 const size_t n = strlen(PERF_IP_FLAG_CHARS); 1623 const char *name = NULL; 1624 size_t i, pos = 0; 1625 char xs[16] = {0}; 1626 1627 if (flags & xf) 1628 snprintf(xs, sizeof(xs), "(%s%s%s)", 1629 flags & PERF_IP_FLAG_IN_TX ? "x" : "", 1630 flags & PERF_IP_FLAG_INTR_DISABLE ? "D" : "", 1631 flags & PERF_IP_FLAG_INTR_TOGGLE ? "t" : ""); 1632 1633 name = sample_flags_to_name(flags & ~xf); 1634 if (name) 1635 return snprintf(str, sz, "%-15s%6s", name, xs); 1636 1637 if (flags & PERF_IP_FLAG_TRACE_BEGIN) { 1638 name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_BEGIN)); 1639 if (name) 1640 return snprintf(str, sz, "tr strt %-7s%6s", name, xs); 1641 } 1642 1643 if (flags & PERF_IP_FLAG_TRACE_END) { 1644 name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_END)); 1645 if (name) 1646 return snprintf(str, sz, "tr end %-7s%6s", name, xs); 1647 } 1648 1649 for (i = 0; i < n; i++, flags >>= 1) { 1650 if ((flags & 1) && pos < sz) 1651 str[pos++] = chars[i]; 1652 } 1653 for (; i < 32; i++, flags >>= 1) { 1654 if ((flags & 1) && pos < sz) 1655 str[pos++] = '?'; 1656 } 1657 if (pos < sz) 1658 str[pos] = 0; 1659 1660 return pos; 1661 } 1662 1663 static int perf_sample__fprintf_flags(u32 flags, FILE *fp) 1664 { 1665 char str[SAMPLE_FLAGS_BUF_SIZE]; 1666 1667 perf_sample__sprintf_flags(flags, str, sizeof(str)); 1668 return fprintf(fp, " %-21s ", str); 1669 } 1670 1671 struct printer_data { 1672 int line_no; 1673 bool hit_nul; 1674 bool is_printable; 1675 }; 1676 1677 static int sample__fprintf_bpf_output(enum binary_printer_ops op, 1678 unsigned int val, 1679 void *extra, FILE *fp) 1680 { 1681 unsigned char ch = (unsigned char)val; 1682 struct printer_data *printer_data = extra; 1683 int printed = 0; 1684 1685 switch (op) { 1686 case BINARY_PRINT_DATA_BEGIN: 1687 printed += fprintf(fp, "\n"); 1688 break; 1689 case BINARY_PRINT_LINE_BEGIN: 1690 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" : 1691 " "); 1692 break; 1693 case BINARY_PRINT_ADDR: 1694 printed += fprintf(fp, " %04x:", val); 1695 break; 1696 case BINARY_PRINT_NUM_DATA: 1697 printed += fprintf(fp, " %02x", val); 1698 break; 1699 case BINARY_PRINT_NUM_PAD: 1700 printed += fprintf(fp, " "); 1701 break; 1702 case BINARY_PRINT_SEP: 1703 printed += fprintf(fp, " "); 1704 break; 1705 case BINARY_PRINT_CHAR_DATA: 1706 if (printer_data->hit_nul && ch) 1707 printer_data->is_printable = false; 1708 1709 if (!isprint(ch)) { 1710 printed += fprintf(fp, "%c", '.'); 1711 1712 if (!printer_data->is_printable) 1713 break; 1714 1715 if (ch == '\0') 1716 printer_data->hit_nul = true; 1717 else 1718 printer_data->is_printable = false; 1719 } else { 1720 printed += fprintf(fp, "%c", ch); 1721 } 1722 break; 1723 case BINARY_PRINT_CHAR_PAD: 1724 printed += fprintf(fp, " "); 1725 break; 1726 case BINARY_PRINT_LINE_END: 1727 printed += fprintf(fp, "\n"); 1728 printer_data->line_no++; 1729 break; 1730 case BINARY_PRINT_DATA_END: 1731 default: 1732 break; 1733 } 1734 1735 return printed; 1736 } 1737 1738 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp) 1739 { 1740 unsigned int nr_bytes = sample->raw_size; 1741 struct printer_data printer_data = {0, false, true}; 1742 int printed = binary__fprintf(sample->raw_data, nr_bytes, 8, 1743 sample__fprintf_bpf_output, &printer_data, fp); 1744 1745 if (printer_data.is_printable && printer_data.hit_nul) 1746 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data)); 1747 1748 return printed; 1749 } 1750 1751 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp) 1752 { 1753 if (len > 0 && len < spacing) 1754 return fprintf(fp, "%*s", spacing - len, ""); 1755 1756 return 0; 1757 } 1758 1759 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp) 1760 { 1761 return perf_sample__fprintf_spacing(len, 34, fp); 1762 } 1763 1764 /* If a value contains only printable ASCII characters padded with NULLs */ 1765 static bool ptw_is_prt(u64 val) 1766 { 1767 char c; 1768 u32 i; 1769 1770 for (i = 0; i < sizeof(val); i++) { 1771 c = ((char *)&val)[i]; 1772 if (!c) 1773 break; 1774 if (!isprint(c) || !isascii(c)) 1775 return false; 1776 } 1777 for (; i < sizeof(val); i++) { 1778 c = ((char *)&val)[i]; 1779 if (c) 1780 return false; 1781 } 1782 return true; 1783 } 1784 1785 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp) 1786 { 1787 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample); 1788 char str[sizeof(u64) + 1] = ""; 1789 int len; 1790 u64 val; 1791 1792 if (perf_sample__bad_synth_size(sample, *data)) 1793 return 0; 1794 1795 val = le64_to_cpu(data->payload); 1796 if (ptw_is_prt(val)) { 1797 memcpy(str, &val, sizeof(val)); 1798 str[sizeof(val)] = 0; 1799 } 1800 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " %s ", 1801 data->ip, val, str); 1802 return len + perf_sample__fprintf_pt_spacing(len, fp); 1803 } 1804 1805 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp) 1806 { 1807 struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample); 1808 int len; 1809 1810 if (perf_sample__bad_synth_size(sample, *data)) 1811 return 0; 1812 1813 len = fprintf(fp, " hints: %#x extensions: %#x ", 1814 data->hints, data->extensions); 1815 return len + perf_sample__fprintf_pt_spacing(len, fp); 1816 } 1817 1818 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp) 1819 { 1820 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample); 1821 int len; 1822 1823 if (perf_sample__bad_synth_size(sample, *data)) 1824 return 0; 1825 1826 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ", 1827 data->hw, data->cstate, data->subcstate); 1828 return len + perf_sample__fprintf_pt_spacing(len, fp); 1829 } 1830 1831 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp) 1832 { 1833 struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample); 1834 int len; 1835 1836 if (perf_sample__bad_synth_size(sample, *data)) 1837 return 0; 1838 1839 len = fprintf(fp, " IP: %u ", data->ip); 1840 return len + perf_sample__fprintf_pt_spacing(len, fp); 1841 } 1842 1843 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp) 1844 { 1845 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample); 1846 int len; 1847 1848 if (perf_sample__bad_synth_size(sample, *data)) 1849 return 0; 1850 1851 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ", 1852 data->deepest_cstate, data->last_cstate, 1853 data->wake_reason); 1854 return len + perf_sample__fprintf_pt_spacing(len, fp); 1855 } 1856 1857 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp) 1858 { 1859 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample); 1860 unsigned int percent, freq; 1861 int len; 1862 1863 if (perf_sample__bad_synth_size(sample, *data)) 1864 return 0; 1865 1866 freq = (le32_to_cpu(data->freq) + 500) / 1000; 1867 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq); 1868 if (data->max_nonturbo) { 1869 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10; 1870 len += fprintf(fp, "(%3u%%) ", percent); 1871 } 1872 return len + perf_sample__fprintf_pt_spacing(len, fp); 1873 } 1874 1875 static int perf_sample__fprintf_synth_psb(struct perf_sample *sample, FILE *fp) 1876 { 1877 struct perf_synth_intel_psb *data = perf_sample__synth_ptr(sample); 1878 int len; 1879 1880 if (perf_sample__bad_synth_size(sample, *data)) 1881 return 0; 1882 1883 len = fprintf(fp, " psb offs: %#" PRIx64, data->offset); 1884 return len + perf_sample__fprintf_pt_spacing(len, fp); 1885 } 1886 1887 /* Intel PT Event Trace */ 1888 static int perf_sample__fprintf_synth_evt(struct perf_sample *sample, FILE *fp) 1889 { 1890 struct perf_synth_intel_evt *data = perf_sample__synth_ptr(sample); 1891 const char *cfe[32] = {NULL, "INTR", "IRET", "SMI", "RSM", "SIPI", 1892 "INIT", "VMENTRY", "VMEXIT", "VMEXIT_INTR", 1893 "SHUTDOWN"}; 1894 const char *evd[64] = {"PFA", "VMXQ", "VMXR"}; 1895 const char *s; 1896 int len, i; 1897 1898 if (perf_sample__bad_synth_size(sample, *data)) 1899 return 0; 1900 1901 s = cfe[data->type]; 1902 if (s) { 1903 len = fprintf(fp, " cfe: %s IP: %d vector: %u", 1904 s, data->ip, data->vector); 1905 } else { 1906 len = fprintf(fp, " cfe: %u IP: %d vector: %u", 1907 data->type, data->ip, data->vector); 1908 } 1909 for (i = 0; i < data->evd_cnt; i++) { 1910 unsigned int et = data->evd[i].evd_type & 0x3f; 1911 1912 s = evd[et]; 1913 if (s) { 1914 len += fprintf(fp, " %s: %#" PRIx64, 1915 s, data->evd[i].payload); 1916 } else { 1917 len += fprintf(fp, " EVD_%u: %#" PRIx64, 1918 et, data->evd[i].payload); 1919 } 1920 } 1921 return len + perf_sample__fprintf_pt_spacing(len, fp); 1922 } 1923 1924 static int perf_sample__fprintf_synth_iflag_chg(struct perf_sample *sample, FILE *fp) 1925 { 1926 struct perf_synth_intel_iflag_chg *data = perf_sample__synth_ptr(sample); 1927 int len; 1928 1929 if (perf_sample__bad_synth_size(sample, *data)) 1930 return 0; 1931 1932 len = fprintf(fp, " IFLAG: %d->%d %s branch", !data->iflag, data->iflag, 1933 data->via_branch ? "via" : "non"); 1934 return len + perf_sample__fprintf_pt_spacing(len, fp); 1935 } 1936 1937 static int perf_sample__fprintf_synth(struct perf_sample *sample, 1938 struct evsel *evsel, FILE *fp) 1939 { 1940 switch (evsel->core.attr.config) { 1941 case PERF_SYNTH_INTEL_PTWRITE: 1942 return perf_sample__fprintf_synth_ptwrite(sample, fp); 1943 case PERF_SYNTH_INTEL_MWAIT: 1944 return perf_sample__fprintf_synth_mwait(sample, fp); 1945 case PERF_SYNTH_INTEL_PWRE: 1946 return perf_sample__fprintf_synth_pwre(sample, fp); 1947 case PERF_SYNTH_INTEL_EXSTOP: 1948 return perf_sample__fprintf_synth_exstop(sample, fp); 1949 case PERF_SYNTH_INTEL_PWRX: 1950 return perf_sample__fprintf_synth_pwrx(sample, fp); 1951 case PERF_SYNTH_INTEL_CBR: 1952 return perf_sample__fprintf_synth_cbr(sample, fp); 1953 case PERF_SYNTH_INTEL_PSB: 1954 return perf_sample__fprintf_synth_psb(sample, fp); 1955 case PERF_SYNTH_INTEL_EVT: 1956 return perf_sample__fprintf_synth_evt(sample, fp); 1957 case PERF_SYNTH_INTEL_IFLAG_CHG: 1958 return perf_sample__fprintf_synth_iflag_chg(sample, fp); 1959 default: 1960 break; 1961 } 1962 1963 return 0; 1964 } 1965 1966 static int evlist__max_name_len(struct evlist *evlist) 1967 { 1968 struct evsel *evsel; 1969 int max = 0; 1970 1971 evlist__for_each_entry(evlist, evsel) { 1972 int len = strlen(evsel__name(evsel)); 1973 1974 max = MAX(len, max); 1975 } 1976 1977 return max; 1978 } 1979 1980 static int data_src__fprintf(u64 data_src, FILE *fp) 1981 { 1982 struct mem_info mi = { .data_src.val = data_src }; 1983 char decode[100]; 1984 char out[100]; 1985 static int maxlen; 1986 int len; 1987 1988 perf_script__meminfo_scnprintf(decode, 100, &mi); 1989 1990 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode); 1991 if (maxlen < len) 1992 maxlen = len; 1993 1994 return fprintf(fp, "%-*s", maxlen, out); 1995 } 1996 1997 struct metric_ctx { 1998 struct perf_sample *sample; 1999 struct thread *thread; 2000 struct evsel *evsel; 2001 FILE *fp; 2002 }; 2003 2004 static void script_print_metric(struct perf_stat_config *config __maybe_unused, 2005 void *ctx, const char *color, 2006 const char *fmt, 2007 const char *unit, double val) 2008 { 2009 struct metric_ctx *mctx = ctx; 2010 2011 if (!fmt) 2012 return; 2013 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, 2014 PERF_RECORD_SAMPLE, mctx->fp); 2015 fputs("\tmetric: ", mctx->fp); 2016 if (color) 2017 color_fprintf(mctx->fp, color, fmt, val); 2018 else 2019 printf(fmt, val); 2020 fprintf(mctx->fp, " %s\n", unit); 2021 } 2022 2023 static void script_new_line(struct perf_stat_config *config __maybe_unused, 2024 void *ctx) 2025 { 2026 struct metric_ctx *mctx = ctx; 2027 2028 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, 2029 PERF_RECORD_SAMPLE, mctx->fp); 2030 fputs("\tmetric: ", mctx->fp); 2031 } 2032 2033 static void perf_sample__fprint_metric(struct perf_script *script, 2034 struct thread *thread, 2035 struct evsel *evsel, 2036 struct perf_sample *sample, 2037 FILE *fp) 2038 { 2039 struct evsel *leader = evsel__leader(evsel); 2040 struct perf_stat_output_ctx ctx = { 2041 .print_metric = script_print_metric, 2042 .new_line = script_new_line, 2043 .ctx = &(struct metric_ctx) { 2044 .sample = sample, 2045 .thread = thread, 2046 .evsel = evsel, 2047 .fp = fp, 2048 }, 2049 .force_header = false, 2050 }; 2051 struct evsel *ev2; 2052 u64 val; 2053 2054 if (!evsel->stats) 2055 evlist__alloc_stats(&stat_config, script->session->evlist, /*alloc_raw=*/false); 2056 if (evsel_script(leader)->gnum++ == 0) 2057 perf_stat__reset_shadow_stats(); 2058 val = sample->period * evsel->scale; 2059 perf_stat__update_shadow_stats(evsel, 2060 val, 2061 sample->cpu, 2062 &rt_stat); 2063 evsel_script(evsel)->val = val; 2064 if (evsel_script(leader)->gnum == leader->core.nr_members) { 2065 for_each_group_member (ev2, leader) { 2066 perf_stat__print_shadow_stats(&stat_config, ev2, 2067 evsel_script(ev2)->val, 2068 sample->cpu, 2069 &ctx, 2070 NULL, 2071 &rt_stat); 2072 } 2073 evsel_script(leader)->gnum = 0; 2074 } 2075 } 2076 2077 static bool show_event(struct perf_sample *sample, 2078 struct evsel *evsel, 2079 struct thread *thread, 2080 struct addr_location *al, 2081 struct addr_location *addr_al) 2082 { 2083 int depth = thread_stack__depth(thread, sample->cpu); 2084 2085 if (!symbol_conf.graph_function) 2086 return true; 2087 2088 if (thread->filter) { 2089 if (depth <= thread->filter_entry_depth) { 2090 thread->filter = false; 2091 return false; 2092 } 2093 return true; 2094 } else { 2095 const char *s = symbol_conf.graph_function; 2096 u64 ip; 2097 const char *name = resolve_branch_sym(sample, evsel, thread, al, addr_al, 2098 &ip); 2099 unsigned nlen; 2100 2101 if (!name) 2102 return false; 2103 nlen = strlen(name); 2104 while (*s) { 2105 unsigned len = strcspn(s, ","); 2106 if (nlen == len && !strncmp(name, s, len)) { 2107 thread->filter = true; 2108 thread->filter_entry_depth = depth; 2109 return true; 2110 } 2111 s += len; 2112 if (*s == ',') 2113 s++; 2114 } 2115 return false; 2116 } 2117 } 2118 2119 static void process_event(struct perf_script *script, 2120 struct perf_sample *sample, struct evsel *evsel, 2121 struct addr_location *al, 2122 struct addr_location *addr_al, 2123 struct machine *machine) 2124 { 2125 struct thread *thread = al->thread; 2126 struct perf_event_attr *attr = &evsel->core.attr; 2127 unsigned int type = output_type(attr->type); 2128 struct evsel_script *es = evsel->priv; 2129 FILE *fp = es->fp; 2130 char str[PAGE_SIZE_NAME_LEN]; 2131 const char *arch = perf_env__arch(machine->env); 2132 2133 if (output[type].fields == 0) 2134 return; 2135 2136 ++es->samples; 2137 2138 perf_sample__fprintf_start(script, sample, thread, evsel, 2139 PERF_RECORD_SAMPLE, fp); 2140 2141 if (PRINT_FIELD(PERIOD)) 2142 fprintf(fp, "%10" PRIu64 " ", sample->period); 2143 2144 if (PRINT_FIELD(EVNAME)) { 2145 const char *evname = evsel__name(evsel); 2146 2147 if (!script->name_width) 2148 script->name_width = evlist__max_name_len(script->session->evlist); 2149 2150 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]"); 2151 } 2152 2153 if (print_flags) 2154 perf_sample__fprintf_flags(sample->flags, fp); 2155 2156 if (is_bts_event(attr)) { 2157 perf_sample__fprintf_bts(sample, evsel, thread, al, addr_al, machine, fp); 2158 return; 2159 } 2160 #ifdef HAVE_LIBTRACEEVENT 2161 if (PRINT_FIELD(TRACE) && sample->raw_data) { 2162 event_format__fprintf(evsel->tp_format, sample->cpu, 2163 sample->raw_data, sample->raw_size, fp); 2164 } 2165 #endif 2166 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH)) 2167 perf_sample__fprintf_synth(sample, evsel, fp); 2168 2169 if (PRINT_FIELD(ADDR)) 2170 perf_sample__fprintf_addr(sample, thread, attr, fp); 2171 2172 if (PRINT_FIELD(DATA_SRC)) 2173 data_src__fprintf(sample->data_src, fp); 2174 2175 if (PRINT_FIELD(WEIGHT)) 2176 fprintf(fp, "%16" PRIu64, sample->weight); 2177 2178 if (PRINT_FIELD(INS_LAT)) 2179 fprintf(fp, "%16" PRIu16, sample->ins_lat); 2180 2181 if (PRINT_FIELD(IP)) { 2182 struct callchain_cursor *cursor = NULL; 2183 2184 if (script->stitch_lbr) 2185 al->thread->lbr_stitch_enable = true; 2186 2187 if (symbol_conf.use_callchain && sample->callchain && 2188 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 2189 sample, NULL, NULL, scripting_max_stack) == 0) 2190 cursor = &callchain_cursor; 2191 2192 fputc(cursor ? '\n' : ' ', fp); 2193 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, 2194 symbol_conf.bt_stop_list, fp); 2195 } 2196 2197 if (PRINT_FIELD(IREGS)) 2198 perf_sample__fprintf_iregs(sample, attr, arch, fp); 2199 2200 if (PRINT_FIELD(UREGS)) 2201 perf_sample__fprintf_uregs(sample, attr, arch, fp); 2202 2203 if (PRINT_FIELD(BRSTACK)) 2204 perf_sample__fprintf_brstack(sample, thread, attr, fp); 2205 else if (PRINT_FIELD(BRSTACKSYM)) 2206 perf_sample__fprintf_brstacksym(sample, thread, attr, fp); 2207 else if (PRINT_FIELD(BRSTACKOFF)) 2208 perf_sample__fprintf_brstackoff(sample, thread, attr, fp); 2209 2210 if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT)) 2211 perf_sample__fprintf_bpf_output(sample, fp); 2212 perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 2213 2214 if (PRINT_FIELD(PHYS_ADDR)) 2215 fprintf(fp, "%16" PRIx64, sample->phys_addr); 2216 2217 if (PRINT_FIELD(DATA_PAGE_SIZE)) 2218 fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str)); 2219 2220 if (PRINT_FIELD(CODE_PAGE_SIZE)) 2221 fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str)); 2222 2223 perf_sample__fprintf_ipc(sample, attr, fp); 2224 2225 fprintf(fp, "\n"); 2226 2227 if (PRINT_FIELD(SRCCODE)) { 2228 if (map__fprintf_srccode(al->map, al->addr, stdout, 2229 &thread->srccode_state)) 2230 printf("\n"); 2231 } 2232 2233 if (PRINT_FIELD(METRIC)) 2234 perf_sample__fprint_metric(script, thread, evsel, sample, fp); 2235 2236 if (verbose > 0) 2237 fflush(fp); 2238 } 2239 2240 static struct scripting_ops *scripting_ops; 2241 2242 static void __process_stat(struct evsel *counter, u64 tstamp) 2243 { 2244 int nthreads = perf_thread_map__nr(counter->core.threads); 2245 int idx, thread; 2246 struct perf_cpu cpu; 2247 static int header_printed; 2248 2249 if (!header_printed) { 2250 printf("%3s %8s %15s %15s %15s %15s %s\n", 2251 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT"); 2252 header_printed = 1; 2253 } 2254 2255 for (thread = 0; thread < nthreads; thread++) { 2256 perf_cpu_map__for_each_cpu(cpu, idx, evsel__cpus(counter)) { 2257 struct perf_counts_values *counts; 2258 2259 counts = perf_counts(counter->counts, idx, thread); 2260 2261 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n", 2262 cpu.cpu, 2263 perf_thread_map__pid(counter->core.threads, thread), 2264 counts->val, 2265 counts->ena, 2266 counts->run, 2267 tstamp, 2268 evsel__name(counter)); 2269 } 2270 } 2271 } 2272 2273 static void process_stat(struct evsel *counter, u64 tstamp) 2274 { 2275 if (scripting_ops && scripting_ops->process_stat) 2276 scripting_ops->process_stat(&stat_config, counter, tstamp); 2277 else 2278 __process_stat(counter, tstamp); 2279 } 2280 2281 static void process_stat_interval(u64 tstamp) 2282 { 2283 if (scripting_ops && scripting_ops->process_stat_interval) 2284 scripting_ops->process_stat_interval(tstamp); 2285 } 2286 2287 static void setup_scripting(void) 2288 { 2289 #ifdef HAVE_LIBTRACEEVENT 2290 setup_perl_scripting(); 2291 setup_python_scripting(); 2292 #endif 2293 } 2294 2295 static int flush_scripting(void) 2296 { 2297 return scripting_ops ? scripting_ops->flush_script() : 0; 2298 } 2299 2300 static int cleanup_scripting(void) 2301 { 2302 pr_debug("\nperf script stopped\n"); 2303 2304 return scripting_ops ? scripting_ops->stop_script() : 0; 2305 } 2306 2307 static bool filter_cpu(struct perf_sample *sample) 2308 { 2309 if (cpu_list && sample->cpu != (u32)-1) 2310 return !test_bit(sample->cpu, cpu_bitmap); 2311 return false; 2312 } 2313 2314 static int process_sample_event(struct perf_tool *tool, 2315 union perf_event *event, 2316 struct perf_sample *sample, 2317 struct evsel *evsel, 2318 struct machine *machine) 2319 { 2320 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2321 struct addr_location al; 2322 struct addr_location addr_al; 2323 int ret = 0; 2324 2325 /* Set thread to NULL to indicate addr_al and al are not initialized */ 2326 addr_al.thread = NULL; 2327 al.thread = NULL; 2328 2329 ret = dlfilter__filter_event_early(dlfilter, event, sample, evsel, machine, &al, &addr_al); 2330 if (ret) { 2331 if (ret > 0) 2332 ret = 0; 2333 goto out_put; 2334 } 2335 2336 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num, 2337 sample->time)) { 2338 goto out_put; 2339 } 2340 2341 if (debug_mode) { 2342 if (sample->time < last_timestamp) { 2343 pr_err("Samples misordered, previous: %" PRIu64 2344 " this: %" PRIu64 "\n", last_timestamp, 2345 sample->time); 2346 nr_unordered++; 2347 } 2348 last_timestamp = sample->time; 2349 goto out_put; 2350 } 2351 2352 if (filter_cpu(sample)) 2353 goto out_put; 2354 2355 if (!al.thread && machine__resolve(machine, &al, sample) < 0) { 2356 pr_err("problem processing %d event, skipping it.\n", 2357 event->header.type); 2358 ret = -1; 2359 goto out_put; 2360 } 2361 2362 if (al.filtered) 2363 goto out_put; 2364 2365 if (!show_event(sample, evsel, al.thread, &al, &addr_al)) 2366 goto out_put; 2367 2368 if (evswitch__discard(&scr->evswitch, evsel)) 2369 goto out_put; 2370 2371 ret = dlfilter__filter_event(dlfilter, event, sample, evsel, machine, &al, &addr_al); 2372 if (ret) { 2373 if (ret > 0) 2374 ret = 0; 2375 goto out_put; 2376 } 2377 2378 if (scripting_ops) { 2379 struct addr_location *addr_al_ptr = NULL; 2380 2381 if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 2382 sample_addr_correlates_sym(&evsel->core.attr)) { 2383 if (!addr_al.thread) 2384 thread__resolve(al.thread, &addr_al, sample); 2385 addr_al_ptr = &addr_al; 2386 } 2387 scripting_ops->process_event(event, sample, evsel, &al, addr_al_ptr); 2388 } else { 2389 process_event(scr, sample, evsel, &al, &addr_al, machine); 2390 } 2391 2392 out_put: 2393 if (al.thread) 2394 addr_location__put(&al); 2395 return ret; 2396 } 2397 2398 static int process_attr(struct perf_tool *tool, union perf_event *event, 2399 struct evlist **pevlist) 2400 { 2401 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2402 struct evlist *evlist; 2403 struct evsel *evsel, *pos; 2404 u64 sample_type; 2405 int err; 2406 static struct evsel_script *es; 2407 2408 err = perf_event__process_attr(tool, event, pevlist); 2409 if (err) 2410 return err; 2411 2412 evlist = *pevlist; 2413 evsel = evlist__last(*pevlist); 2414 2415 if (!evsel->priv) { 2416 if (scr->per_event_dump) { 2417 evsel->priv = evsel_script__new(evsel, scr->session->data); 2418 } else { 2419 es = zalloc(sizeof(*es)); 2420 if (!es) 2421 return -ENOMEM; 2422 es->fp = stdout; 2423 evsel->priv = es; 2424 } 2425 } 2426 2427 if (evsel->core.attr.type >= PERF_TYPE_MAX && 2428 evsel->core.attr.type != PERF_TYPE_SYNTH) 2429 return 0; 2430 2431 evlist__for_each_entry(evlist, pos) { 2432 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel) 2433 return 0; 2434 } 2435 2436 if (evsel->core.attr.sample_type) { 2437 err = evsel__check_attr(evsel, scr->session); 2438 if (err) 2439 return err; 2440 } 2441 2442 /* 2443 * Check if we need to enable callchains based 2444 * on events sample_type. 2445 */ 2446 sample_type = evlist__combined_sample_type(evlist); 2447 callchain_param_setup(sample_type, perf_env__arch((*pevlist)->env)); 2448 2449 /* Enable fields for callchain entries */ 2450 if (symbol_conf.use_callchain && 2451 (sample_type & PERF_SAMPLE_CALLCHAIN || 2452 sample_type & PERF_SAMPLE_BRANCH_STACK || 2453 (sample_type & PERF_SAMPLE_REGS_USER && 2454 sample_type & PERF_SAMPLE_STACK_USER))) { 2455 int type = output_type(evsel->core.attr.type); 2456 2457 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP)) 2458 output[type].fields |= PERF_OUTPUT_IP; 2459 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM)) 2460 output[type].fields |= PERF_OUTPUT_SYM; 2461 } 2462 set_print_ip_opts(&evsel->core.attr); 2463 return 0; 2464 } 2465 2466 static int print_event_with_time(struct perf_tool *tool, 2467 union perf_event *event, 2468 struct perf_sample *sample, 2469 struct machine *machine, 2470 pid_t pid, pid_t tid, u64 timestamp) 2471 { 2472 struct perf_script *script = container_of(tool, struct perf_script, tool); 2473 struct perf_session *session = script->session; 2474 struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id); 2475 struct thread *thread = NULL; 2476 2477 if (evsel && !evsel->core.attr.sample_id_all) { 2478 sample->cpu = 0; 2479 sample->time = timestamp; 2480 sample->pid = pid; 2481 sample->tid = tid; 2482 } 2483 2484 if (filter_cpu(sample)) 2485 return 0; 2486 2487 if (tid != -1) 2488 thread = machine__findnew_thread(machine, pid, tid); 2489 2490 if (evsel) { 2491 perf_sample__fprintf_start(script, sample, thread, evsel, 2492 event->header.type, stdout); 2493 } 2494 2495 perf_event__fprintf(event, machine, stdout); 2496 2497 thread__put(thread); 2498 2499 return 0; 2500 } 2501 2502 static int print_event(struct perf_tool *tool, union perf_event *event, 2503 struct perf_sample *sample, struct machine *machine, 2504 pid_t pid, pid_t tid) 2505 { 2506 return print_event_with_time(tool, event, sample, machine, pid, tid, 0); 2507 } 2508 2509 static int process_comm_event(struct perf_tool *tool, 2510 union perf_event *event, 2511 struct perf_sample *sample, 2512 struct machine *machine) 2513 { 2514 if (perf_event__process_comm(tool, event, sample, machine) < 0) 2515 return -1; 2516 2517 return print_event(tool, event, sample, machine, event->comm.pid, 2518 event->comm.tid); 2519 } 2520 2521 static int process_namespaces_event(struct perf_tool *tool, 2522 union perf_event *event, 2523 struct perf_sample *sample, 2524 struct machine *machine) 2525 { 2526 if (perf_event__process_namespaces(tool, event, sample, machine) < 0) 2527 return -1; 2528 2529 return print_event(tool, event, sample, machine, event->namespaces.pid, 2530 event->namespaces.tid); 2531 } 2532 2533 static int process_cgroup_event(struct perf_tool *tool, 2534 union perf_event *event, 2535 struct perf_sample *sample, 2536 struct machine *machine) 2537 { 2538 if (perf_event__process_cgroup(tool, event, sample, machine) < 0) 2539 return -1; 2540 2541 return print_event(tool, event, sample, machine, sample->pid, 2542 sample->tid); 2543 } 2544 2545 static int process_fork_event(struct perf_tool *tool, 2546 union perf_event *event, 2547 struct perf_sample *sample, 2548 struct machine *machine) 2549 { 2550 if (perf_event__process_fork(tool, event, sample, machine) < 0) 2551 return -1; 2552 2553 return print_event_with_time(tool, event, sample, machine, 2554 event->fork.pid, event->fork.tid, 2555 event->fork.time); 2556 } 2557 static int process_exit_event(struct perf_tool *tool, 2558 union perf_event *event, 2559 struct perf_sample *sample, 2560 struct machine *machine) 2561 { 2562 /* Print before 'exit' deletes anything */ 2563 if (print_event_with_time(tool, event, sample, machine, event->fork.pid, 2564 event->fork.tid, event->fork.time)) 2565 return -1; 2566 2567 return perf_event__process_exit(tool, event, sample, machine); 2568 } 2569 2570 static int process_mmap_event(struct perf_tool *tool, 2571 union perf_event *event, 2572 struct perf_sample *sample, 2573 struct machine *machine) 2574 { 2575 if (perf_event__process_mmap(tool, event, sample, machine) < 0) 2576 return -1; 2577 2578 return print_event(tool, event, sample, machine, event->mmap.pid, 2579 event->mmap.tid); 2580 } 2581 2582 static int process_mmap2_event(struct perf_tool *tool, 2583 union perf_event *event, 2584 struct perf_sample *sample, 2585 struct machine *machine) 2586 { 2587 if (perf_event__process_mmap2(tool, event, sample, machine) < 0) 2588 return -1; 2589 2590 return print_event(tool, event, sample, machine, event->mmap2.pid, 2591 event->mmap2.tid); 2592 } 2593 2594 static int process_switch_event(struct perf_tool *tool, 2595 union perf_event *event, 2596 struct perf_sample *sample, 2597 struct machine *machine) 2598 { 2599 struct perf_script *script = container_of(tool, struct perf_script, tool); 2600 2601 if (perf_event__process_switch(tool, event, sample, machine) < 0) 2602 return -1; 2603 2604 if (scripting_ops && scripting_ops->process_switch && !filter_cpu(sample)) 2605 scripting_ops->process_switch(event, sample, machine); 2606 2607 if (!script->show_switch_events) 2608 return 0; 2609 2610 return print_event(tool, event, sample, machine, sample->pid, 2611 sample->tid); 2612 } 2613 2614 static int process_auxtrace_error(struct perf_session *session, 2615 union perf_event *event) 2616 { 2617 if (scripting_ops && scripting_ops->process_auxtrace_error) { 2618 scripting_ops->process_auxtrace_error(session, event); 2619 return 0; 2620 } 2621 2622 return perf_event__process_auxtrace_error(session, event); 2623 } 2624 2625 static int 2626 process_lost_event(struct perf_tool *tool, 2627 union perf_event *event, 2628 struct perf_sample *sample, 2629 struct machine *machine) 2630 { 2631 return print_event(tool, event, sample, machine, sample->pid, 2632 sample->tid); 2633 } 2634 2635 static int 2636 process_throttle_event(struct perf_tool *tool __maybe_unused, 2637 union perf_event *event, 2638 struct perf_sample *sample, 2639 struct machine *machine) 2640 { 2641 if (scripting_ops && scripting_ops->process_throttle) 2642 scripting_ops->process_throttle(event, sample, machine); 2643 return 0; 2644 } 2645 2646 static int 2647 process_finished_round_event(struct perf_tool *tool __maybe_unused, 2648 union perf_event *event, 2649 struct ordered_events *oe __maybe_unused) 2650 2651 { 2652 perf_event__fprintf(event, NULL, stdout); 2653 return 0; 2654 } 2655 2656 static int 2657 process_bpf_events(struct perf_tool *tool __maybe_unused, 2658 union perf_event *event, 2659 struct perf_sample *sample, 2660 struct machine *machine) 2661 { 2662 if (machine__process_ksymbol(machine, event, sample) < 0) 2663 return -1; 2664 2665 return print_event(tool, event, sample, machine, sample->pid, 2666 sample->tid); 2667 } 2668 2669 static int process_text_poke_events(struct perf_tool *tool, 2670 union perf_event *event, 2671 struct perf_sample *sample, 2672 struct machine *machine) 2673 { 2674 if (perf_event__process_text_poke(tool, event, sample, machine) < 0) 2675 return -1; 2676 2677 return print_event(tool, event, sample, machine, sample->pid, 2678 sample->tid); 2679 } 2680 2681 static void sig_handler(int sig __maybe_unused) 2682 { 2683 session_done = 1; 2684 } 2685 2686 static void perf_script__fclose_per_event_dump(struct perf_script *script) 2687 { 2688 struct evlist *evlist = script->session->evlist; 2689 struct evsel *evsel; 2690 2691 evlist__for_each_entry(evlist, evsel) { 2692 if (!evsel->priv) 2693 break; 2694 evsel_script__delete(evsel->priv); 2695 evsel->priv = NULL; 2696 } 2697 } 2698 2699 static int perf_script__fopen_per_event_dump(struct perf_script *script) 2700 { 2701 struct evsel *evsel; 2702 2703 evlist__for_each_entry(script->session->evlist, evsel) { 2704 /* 2705 * Already setup? I.e. we may be called twice in cases like 2706 * Intel PT, one for the intel_pt// and dummy events, then 2707 * for the evsels synthesized from the auxtrace info. 2708 * 2709 * Ses perf_script__process_auxtrace_info. 2710 */ 2711 if (evsel->priv != NULL) 2712 continue; 2713 2714 evsel->priv = evsel_script__new(evsel, script->session->data); 2715 if (evsel->priv == NULL) 2716 goto out_err_fclose; 2717 } 2718 2719 return 0; 2720 2721 out_err_fclose: 2722 perf_script__fclose_per_event_dump(script); 2723 return -1; 2724 } 2725 2726 static int perf_script__setup_per_event_dump(struct perf_script *script) 2727 { 2728 struct evsel *evsel; 2729 static struct evsel_script es_stdout; 2730 2731 if (script->per_event_dump) 2732 return perf_script__fopen_per_event_dump(script); 2733 2734 es_stdout.fp = stdout; 2735 2736 evlist__for_each_entry(script->session->evlist, evsel) 2737 evsel->priv = &es_stdout; 2738 2739 return 0; 2740 } 2741 2742 static void perf_script__exit_per_event_dump_stats(struct perf_script *script) 2743 { 2744 struct evsel *evsel; 2745 2746 evlist__for_each_entry(script->session->evlist, evsel) { 2747 struct evsel_script *es = evsel->priv; 2748 2749 evsel_script__fprintf(es, stdout); 2750 evsel_script__delete(es); 2751 evsel->priv = NULL; 2752 } 2753 } 2754 2755 static void perf_script__exit(struct perf_script *script) 2756 { 2757 perf_thread_map__put(script->threads); 2758 perf_cpu_map__put(script->cpus); 2759 } 2760 2761 static int __cmd_script(struct perf_script *script) 2762 { 2763 int ret; 2764 2765 signal(SIGINT, sig_handler); 2766 2767 perf_stat__init_shadow_stats(); 2768 2769 /* override event processing functions */ 2770 if (script->show_task_events) { 2771 script->tool.comm = process_comm_event; 2772 script->tool.fork = process_fork_event; 2773 script->tool.exit = process_exit_event; 2774 } 2775 if (script->show_mmap_events) { 2776 script->tool.mmap = process_mmap_event; 2777 script->tool.mmap2 = process_mmap2_event; 2778 } 2779 if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch)) 2780 script->tool.context_switch = process_switch_event; 2781 if (scripting_ops && scripting_ops->process_auxtrace_error) 2782 script->tool.auxtrace_error = process_auxtrace_error; 2783 if (script->show_namespace_events) 2784 script->tool.namespaces = process_namespaces_event; 2785 if (script->show_cgroup_events) 2786 script->tool.cgroup = process_cgroup_event; 2787 if (script->show_lost_events) 2788 script->tool.lost = process_lost_event; 2789 if (script->show_round_events) { 2790 script->tool.ordered_events = false; 2791 script->tool.finished_round = process_finished_round_event; 2792 } 2793 if (script->show_bpf_events) { 2794 script->tool.ksymbol = process_bpf_events; 2795 script->tool.bpf = process_bpf_events; 2796 } 2797 if (script->show_text_poke_events) { 2798 script->tool.ksymbol = process_bpf_events; 2799 script->tool.text_poke = process_text_poke_events; 2800 } 2801 2802 if (perf_script__setup_per_event_dump(script)) { 2803 pr_err("Couldn't create the per event dump files\n"); 2804 return -1; 2805 } 2806 2807 ret = perf_session__process_events(script->session); 2808 2809 if (script->per_event_dump) 2810 perf_script__exit_per_event_dump_stats(script); 2811 2812 if (debug_mode) 2813 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); 2814 2815 return ret; 2816 } 2817 2818 struct script_spec { 2819 struct list_head node; 2820 struct scripting_ops *ops; 2821 char spec[]; 2822 }; 2823 2824 static LIST_HEAD(script_specs); 2825 2826 static struct script_spec *script_spec__new(const char *spec, 2827 struct scripting_ops *ops) 2828 { 2829 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); 2830 2831 if (s != NULL) { 2832 strcpy(s->spec, spec); 2833 s->ops = ops; 2834 } 2835 2836 return s; 2837 } 2838 2839 static void script_spec__add(struct script_spec *s) 2840 { 2841 list_add_tail(&s->node, &script_specs); 2842 } 2843 2844 static struct script_spec *script_spec__find(const char *spec) 2845 { 2846 struct script_spec *s; 2847 2848 list_for_each_entry(s, &script_specs, node) 2849 if (strcasecmp(s->spec, spec) == 0) 2850 return s; 2851 return NULL; 2852 } 2853 2854 int script_spec_register(const char *spec, struct scripting_ops *ops) 2855 { 2856 struct script_spec *s; 2857 2858 s = script_spec__find(spec); 2859 if (s) 2860 return -1; 2861 2862 s = script_spec__new(spec, ops); 2863 if (!s) 2864 return -1; 2865 else 2866 script_spec__add(s); 2867 2868 return 0; 2869 } 2870 2871 static struct scripting_ops *script_spec__lookup(const char *spec) 2872 { 2873 struct script_spec *s = script_spec__find(spec); 2874 if (!s) 2875 return NULL; 2876 2877 return s->ops; 2878 } 2879 2880 static void list_available_languages(void) 2881 { 2882 struct script_spec *s; 2883 2884 fprintf(stderr, "\n"); 2885 fprintf(stderr, "Scripting language extensions (used in " 2886 "perf script -s [spec:]script.[spec]):\n\n"); 2887 2888 list_for_each_entry(s, &script_specs, node) 2889 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); 2890 2891 fprintf(stderr, "\n"); 2892 } 2893 2894 /* Find script file relative to current directory or exec path */ 2895 static char *find_script(const char *script) 2896 { 2897 char path[PATH_MAX]; 2898 2899 if (!scripting_ops) { 2900 const char *ext = strrchr(script, '.'); 2901 2902 if (!ext) 2903 return NULL; 2904 2905 scripting_ops = script_spec__lookup(++ext); 2906 if (!scripting_ops) 2907 return NULL; 2908 } 2909 2910 if (access(script, R_OK)) { 2911 char *exec_path = get_argv_exec_path(); 2912 2913 if (!exec_path) 2914 return NULL; 2915 snprintf(path, sizeof(path), "%s/scripts/%s/%s", 2916 exec_path, scripting_ops->dirname, script); 2917 free(exec_path); 2918 script = path; 2919 if (access(script, R_OK)) 2920 return NULL; 2921 } 2922 return strdup(script); 2923 } 2924 2925 static int parse_scriptname(const struct option *opt __maybe_unused, 2926 const char *str, int unset __maybe_unused) 2927 { 2928 char spec[PATH_MAX]; 2929 const char *script, *ext; 2930 int len; 2931 2932 if (strcmp(str, "lang") == 0) { 2933 list_available_languages(); 2934 exit(0); 2935 } 2936 2937 script = strchr(str, ':'); 2938 if (script) { 2939 len = script - str; 2940 if (len >= PATH_MAX) { 2941 fprintf(stderr, "invalid language specifier"); 2942 return -1; 2943 } 2944 strncpy(spec, str, len); 2945 spec[len] = '\0'; 2946 scripting_ops = script_spec__lookup(spec); 2947 if (!scripting_ops) { 2948 fprintf(stderr, "invalid language specifier"); 2949 return -1; 2950 } 2951 script++; 2952 } else { 2953 script = str; 2954 ext = strrchr(script, '.'); 2955 if (!ext) { 2956 fprintf(stderr, "invalid script extension"); 2957 return -1; 2958 } 2959 scripting_ops = script_spec__lookup(++ext); 2960 if (!scripting_ops) { 2961 fprintf(stderr, "invalid script extension"); 2962 return -1; 2963 } 2964 } 2965 2966 script_name = find_script(script); 2967 if (!script_name) 2968 script_name = strdup(script); 2969 2970 return 0; 2971 } 2972 2973 static int parse_output_fields(const struct option *opt __maybe_unused, 2974 const char *arg, int unset __maybe_unused) 2975 { 2976 char *tok, *strtok_saveptr = NULL; 2977 int i, imax = ARRAY_SIZE(all_output_options); 2978 int j; 2979 int rc = 0; 2980 char *str = strdup(arg); 2981 int type = -1; 2982 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT; 2983 2984 if (!str) 2985 return -ENOMEM; 2986 2987 /* first word can state for which event type the user is specifying 2988 * the fields. If no type exists, the specified fields apply to all 2989 * event types found in the file minus the invalid fields for a type. 2990 */ 2991 tok = strchr(str, ':'); 2992 if (tok) { 2993 *tok = '\0'; 2994 tok++; 2995 if (!strcmp(str, "hw")) 2996 type = PERF_TYPE_HARDWARE; 2997 else if (!strcmp(str, "sw")) 2998 type = PERF_TYPE_SOFTWARE; 2999 else if (!strcmp(str, "trace")) 3000 type = PERF_TYPE_TRACEPOINT; 3001 else if (!strcmp(str, "raw")) 3002 type = PERF_TYPE_RAW; 3003 else if (!strcmp(str, "break")) 3004 type = PERF_TYPE_BREAKPOINT; 3005 else if (!strcmp(str, "synth")) 3006 type = OUTPUT_TYPE_SYNTH; 3007 else { 3008 fprintf(stderr, "Invalid event type in field string.\n"); 3009 rc = -EINVAL; 3010 goto out; 3011 } 3012 3013 if (output[type].user_set) 3014 pr_warning("Overriding previous field request for %s events.\n", 3015 event_type(type)); 3016 3017 /* Don't override defaults for +- */ 3018 if (strchr(tok, '+') || strchr(tok, '-')) 3019 goto parse; 3020 3021 output[type].fields = 0; 3022 output[type].user_set = true; 3023 output[type].wildcard_set = false; 3024 3025 } else { 3026 tok = str; 3027 if (strlen(str) == 0) { 3028 fprintf(stderr, 3029 "Cannot set fields to 'none' for all event types.\n"); 3030 rc = -EINVAL; 3031 goto out; 3032 } 3033 3034 /* Don't override defaults for +- */ 3035 if (strchr(str, '+') || strchr(str, '-')) 3036 goto parse; 3037 3038 if (output_set_by_user()) 3039 pr_warning("Overriding previous field request for all events.\n"); 3040 3041 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 3042 output[j].fields = 0; 3043 output[j].user_set = true; 3044 output[j].wildcard_set = true; 3045 } 3046 } 3047 3048 parse: 3049 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) { 3050 if (*tok == '+') { 3051 if (change == SET) 3052 goto out_badmix; 3053 change = ADD; 3054 tok++; 3055 } else if (*tok == '-') { 3056 if (change == SET) 3057 goto out_badmix; 3058 change = REMOVE; 3059 tok++; 3060 } else { 3061 if (change != SET && change != DEFAULT) 3062 goto out_badmix; 3063 change = SET; 3064 } 3065 3066 for (i = 0; i < imax; ++i) { 3067 if (strcmp(tok, all_output_options[i].str) == 0) 3068 break; 3069 } 3070 if (i == imax && strcmp(tok, "flags") == 0) { 3071 print_flags = change != REMOVE; 3072 continue; 3073 } 3074 if (i == imax) { 3075 fprintf(stderr, "Invalid field requested.\n"); 3076 rc = -EINVAL; 3077 goto out; 3078 } 3079 3080 if (type == -1) { 3081 /* add user option to all events types for 3082 * which it is valid 3083 */ 3084 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 3085 if (output[j].invalid_fields & all_output_options[i].field) { 3086 pr_warning("\'%s\' not valid for %s events. Ignoring.\n", 3087 all_output_options[i].str, event_type(j)); 3088 } else { 3089 if (change == REMOVE) { 3090 output[j].fields &= ~all_output_options[i].field; 3091 output[j].user_set_fields &= ~all_output_options[i].field; 3092 output[j].user_unset_fields |= all_output_options[i].field; 3093 } else { 3094 output[j].fields |= all_output_options[i].field; 3095 output[j].user_set_fields |= all_output_options[i].field; 3096 output[j].user_unset_fields &= ~all_output_options[i].field; 3097 } 3098 output[j].user_set = true; 3099 output[j].wildcard_set = true; 3100 } 3101 } 3102 } else { 3103 if (output[type].invalid_fields & all_output_options[i].field) { 3104 fprintf(stderr, "\'%s\' not valid for %s events.\n", 3105 all_output_options[i].str, event_type(type)); 3106 3107 rc = -EINVAL; 3108 goto out; 3109 } 3110 if (change == REMOVE) 3111 output[type].fields &= ~all_output_options[i].field; 3112 else 3113 output[type].fields |= all_output_options[i].field; 3114 output[type].user_set = true; 3115 output[type].wildcard_set = true; 3116 } 3117 } 3118 3119 if (type >= 0) { 3120 if (output[type].fields == 0) { 3121 pr_debug("No fields requested for %s type. " 3122 "Events will not be displayed.\n", event_type(type)); 3123 } 3124 } 3125 goto out; 3126 3127 out_badmix: 3128 fprintf(stderr, "Cannot mix +-field with overridden fields\n"); 3129 rc = -EINVAL; 3130 out: 3131 free(str); 3132 return rc; 3133 } 3134 3135 #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \ 3136 while ((lang_dirent = readdir(scripts_dir)) != NULL) \ 3137 if ((lang_dirent->d_type == DT_DIR || \ 3138 (lang_dirent->d_type == DT_UNKNOWN && \ 3139 is_directory(scripts_path, lang_dirent))) && \ 3140 (strcmp(lang_dirent->d_name, ".")) && \ 3141 (strcmp(lang_dirent->d_name, ".."))) 3142 3143 #define for_each_script(lang_path, lang_dir, script_dirent) \ 3144 while ((script_dirent = readdir(lang_dir)) != NULL) \ 3145 if (script_dirent->d_type != DT_DIR && \ 3146 (script_dirent->d_type != DT_UNKNOWN || \ 3147 !is_directory(lang_path, script_dirent))) 3148 3149 3150 #define RECORD_SUFFIX "-record" 3151 #define REPORT_SUFFIX "-report" 3152 3153 struct script_desc { 3154 struct list_head node; 3155 char *name; 3156 char *half_liner; 3157 char *args; 3158 }; 3159 3160 static LIST_HEAD(script_descs); 3161 3162 static struct script_desc *script_desc__new(const char *name) 3163 { 3164 struct script_desc *s = zalloc(sizeof(*s)); 3165 3166 if (s != NULL && name) 3167 s->name = strdup(name); 3168 3169 return s; 3170 } 3171 3172 static void script_desc__delete(struct script_desc *s) 3173 { 3174 zfree(&s->name); 3175 zfree(&s->half_liner); 3176 zfree(&s->args); 3177 free(s); 3178 } 3179 3180 static void script_desc__add(struct script_desc *s) 3181 { 3182 list_add_tail(&s->node, &script_descs); 3183 } 3184 3185 static struct script_desc *script_desc__find(const char *name) 3186 { 3187 struct script_desc *s; 3188 3189 list_for_each_entry(s, &script_descs, node) 3190 if (strcasecmp(s->name, name) == 0) 3191 return s; 3192 return NULL; 3193 } 3194 3195 static struct script_desc *script_desc__findnew(const char *name) 3196 { 3197 struct script_desc *s = script_desc__find(name); 3198 3199 if (s) 3200 return s; 3201 3202 s = script_desc__new(name); 3203 if (!s) 3204 return NULL; 3205 3206 script_desc__add(s); 3207 3208 return s; 3209 } 3210 3211 static const char *ends_with(const char *str, const char *suffix) 3212 { 3213 size_t suffix_len = strlen(suffix); 3214 const char *p = str; 3215 3216 if (strlen(str) > suffix_len) { 3217 p = str + strlen(str) - suffix_len; 3218 if (!strncmp(p, suffix, suffix_len)) 3219 return p; 3220 } 3221 3222 return NULL; 3223 } 3224 3225 static int read_script_info(struct script_desc *desc, const char *filename) 3226 { 3227 char line[BUFSIZ], *p; 3228 FILE *fp; 3229 3230 fp = fopen(filename, "r"); 3231 if (!fp) 3232 return -1; 3233 3234 while (fgets(line, sizeof(line), fp)) { 3235 p = skip_spaces(line); 3236 if (strlen(p) == 0) 3237 continue; 3238 if (*p != '#') 3239 continue; 3240 p++; 3241 if (strlen(p) && *p == '!') 3242 continue; 3243 3244 p = skip_spaces(p); 3245 if (strlen(p) && p[strlen(p) - 1] == '\n') 3246 p[strlen(p) - 1] = '\0'; 3247 3248 if (!strncmp(p, "description:", strlen("description:"))) { 3249 p += strlen("description:"); 3250 desc->half_liner = strdup(skip_spaces(p)); 3251 continue; 3252 } 3253 3254 if (!strncmp(p, "args:", strlen("args:"))) { 3255 p += strlen("args:"); 3256 desc->args = strdup(skip_spaces(p)); 3257 continue; 3258 } 3259 } 3260 3261 fclose(fp); 3262 3263 return 0; 3264 } 3265 3266 static char *get_script_root(struct dirent *script_dirent, const char *suffix) 3267 { 3268 char *script_root, *str; 3269 3270 script_root = strdup(script_dirent->d_name); 3271 if (!script_root) 3272 return NULL; 3273 3274 str = (char *)ends_with(script_root, suffix); 3275 if (!str) { 3276 free(script_root); 3277 return NULL; 3278 } 3279 3280 *str = '\0'; 3281 return script_root; 3282 } 3283 3284 static int list_available_scripts(const struct option *opt __maybe_unused, 3285 const char *s __maybe_unused, 3286 int unset __maybe_unused) 3287 { 3288 struct dirent *script_dirent, *lang_dirent; 3289 char scripts_path[MAXPATHLEN]; 3290 DIR *scripts_dir, *lang_dir; 3291 char script_path[MAXPATHLEN]; 3292 char lang_path[MAXPATHLEN]; 3293 struct script_desc *desc; 3294 char first_half[BUFSIZ]; 3295 char *script_root; 3296 3297 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3298 3299 scripts_dir = opendir(scripts_path); 3300 if (!scripts_dir) { 3301 fprintf(stdout, 3302 "open(%s) failed.\n" 3303 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n", 3304 scripts_path); 3305 exit(-1); 3306 } 3307 3308 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3309 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3310 lang_dirent->d_name); 3311 lang_dir = opendir(lang_path); 3312 if (!lang_dir) 3313 continue; 3314 3315 for_each_script(lang_path, lang_dir, script_dirent) { 3316 script_root = get_script_root(script_dirent, REPORT_SUFFIX); 3317 if (script_root) { 3318 desc = script_desc__findnew(script_root); 3319 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3320 lang_path, script_dirent->d_name); 3321 read_script_info(desc, script_path); 3322 free(script_root); 3323 } 3324 } 3325 } 3326 3327 fprintf(stdout, "List of available trace scripts:\n"); 3328 list_for_each_entry(desc, &script_descs, node) { 3329 sprintf(first_half, "%s %s", desc->name, 3330 desc->args ? desc->args : ""); 3331 fprintf(stdout, " %-36s %s\n", first_half, 3332 desc->half_liner ? desc->half_liner : ""); 3333 } 3334 3335 exit(0); 3336 } 3337 3338 static int add_dlarg(const struct option *opt __maybe_unused, 3339 const char *s, int unset __maybe_unused) 3340 { 3341 char *arg = strdup(s); 3342 void *a; 3343 3344 if (!arg) 3345 return -1; 3346 3347 a = realloc(dlargv, sizeof(dlargv[0]) * (dlargc + 1)); 3348 if (!a) { 3349 free(arg); 3350 return -1; 3351 } 3352 3353 dlargv = a; 3354 dlargv[dlargc++] = arg; 3355 3356 return 0; 3357 } 3358 3359 static void free_dlarg(void) 3360 { 3361 while (dlargc--) 3362 free(dlargv[dlargc]); 3363 free(dlargv); 3364 } 3365 3366 /* 3367 * Some scripts specify the required events in their "xxx-record" file, 3368 * this function will check if the events in perf.data match those 3369 * mentioned in the "xxx-record". 3370 * 3371 * Fixme: All existing "xxx-record" are all in good formats "-e event ", 3372 * which is covered well now. And new parsing code should be added to 3373 * cover the future complex formats like event groups etc. 3374 */ 3375 static int check_ev_match(char *dir_name, char *scriptname, 3376 struct perf_session *session) 3377 { 3378 char filename[MAXPATHLEN], evname[128]; 3379 char line[BUFSIZ], *p; 3380 struct evsel *pos; 3381 int match, len; 3382 FILE *fp; 3383 3384 scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname); 3385 3386 fp = fopen(filename, "r"); 3387 if (!fp) 3388 return -1; 3389 3390 while (fgets(line, sizeof(line), fp)) { 3391 p = skip_spaces(line); 3392 if (*p == '#') 3393 continue; 3394 3395 while (strlen(p)) { 3396 p = strstr(p, "-e"); 3397 if (!p) 3398 break; 3399 3400 p += 2; 3401 p = skip_spaces(p); 3402 len = strcspn(p, " \t"); 3403 if (!len) 3404 break; 3405 3406 snprintf(evname, len + 1, "%s", p); 3407 3408 match = 0; 3409 evlist__for_each_entry(session->evlist, pos) { 3410 if (!strcmp(evsel__name(pos), evname)) { 3411 match = 1; 3412 break; 3413 } 3414 } 3415 3416 if (!match) { 3417 fclose(fp); 3418 return -1; 3419 } 3420 } 3421 } 3422 3423 fclose(fp); 3424 return 0; 3425 } 3426 3427 /* 3428 * Return -1 if none is found, otherwise the actual scripts number. 3429 * 3430 * Currently the only user of this function is the script browser, which 3431 * will list all statically runnable scripts, select one, execute it and 3432 * show the output in a perf browser. 3433 */ 3434 int find_scripts(char **scripts_array, char **scripts_path_array, int num, 3435 int pathlen) 3436 { 3437 struct dirent *script_dirent, *lang_dirent; 3438 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; 3439 DIR *scripts_dir, *lang_dir; 3440 struct perf_session *session; 3441 struct perf_data data = { 3442 .path = input_name, 3443 .mode = PERF_DATA_MODE_READ, 3444 }; 3445 char *temp; 3446 int i = 0; 3447 3448 session = perf_session__new(&data, NULL); 3449 if (IS_ERR(session)) 3450 return PTR_ERR(session); 3451 3452 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3453 3454 scripts_dir = opendir(scripts_path); 3455 if (!scripts_dir) { 3456 perf_session__delete(session); 3457 return -1; 3458 } 3459 3460 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3461 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, 3462 lang_dirent->d_name); 3463 #ifndef HAVE_LIBPERL_SUPPORT 3464 if (strstr(lang_path, "perl")) 3465 continue; 3466 #endif 3467 #ifndef HAVE_LIBPYTHON_SUPPORT 3468 if (strstr(lang_path, "python")) 3469 continue; 3470 #endif 3471 3472 lang_dir = opendir(lang_path); 3473 if (!lang_dir) 3474 continue; 3475 3476 for_each_script(lang_path, lang_dir, script_dirent) { 3477 /* Skip those real time scripts: xxxtop.p[yl] */ 3478 if (strstr(script_dirent->d_name, "top.")) 3479 continue; 3480 if (i >= num) 3481 break; 3482 snprintf(scripts_path_array[i], pathlen, "%s/%s", 3483 lang_path, 3484 script_dirent->d_name); 3485 temp = strchr(script_dirent->d_name, '.'); 3486 snprintf(scripts_array[i], 3487 (temp - script_dirent->d_name) + 1, 3488 "%s", script_dirent->d_name); 3489 3490 if (check_ev_match(lang_path, 3491 scripts_array[i], session)) 3492 continue; 3493 3494 i++; 3495 } 3496 closedir(lang_dir); 3497 } 3498 3499 closedir(scripts_dir); 3500 perf_session__delete(session); 3501 return i; 3502 } 3503 3504 static char *get_script_path(const char *script_root, const char *suffix) 3505 { 3506 struct dirent *script_dirent, *lang_dirent; 3507 char scripts_path[MAXPATHLEN]; 3508 char script_path[MAXPATHLEN]; 3509 DIR *scripts_dir, *lang_dir; 3510 char lang_path[MAXPATHLEN]; 3511 char *__script_root; 3512 3513 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3514 3515 scripts_dir = opendir(scripts_path); 3516 if (!scripts_dir) 3517 return NULL; 3518 3519 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3520 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3521 lang_dirent->d_name); 3522 lang_dir = opendir(lang_path); 3523 if (!lang_dir) 3524 continue; 3525 3526 for_each_script(lang_path, lang_dir, script_dirent) { 3527 __script_root = get_script_root(script_dirent, suffix); 3528 if (__script_root && !strcmp(script_root, __script_root)) { 3529 free(__script_root); 3530 closedir(scripts_dir); 3531 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3532 lang_path, script_dirent->d_name); 3533 closedir(lang_dir); 3534 return strdup(script_path); 3535 } 3536 free(__script_root); 3537 } 3538 closedir(lang_dir); 3539 } 3540 closedir(scripts_dir); 3541 3542 return NULL; 3543 } 3544 3545 static bool is_top_script(const char *script_path) 3546 { 3547 return ends_with(script_path, "top") != NULL; 3548 } 3549 3550 static int has_required_arg(char *script_path) 3551 { 3552 struct script_desc *desc; 3553 int n_args = 0; 3554 char *p; 3555 3556 desc = script_desc__new(NULL); 3557 3558 if (read_script_info(desc, script_path)) 3559 goto out; 3560 3561 if (!desc->args) 3562 goto out; 3563 3564 for (p = desc->args; *p; p++) 3565 if (*p == '<') 3566 n_args++; 3567 out: 3568 script_desc__delete(desc); 3569 3570 return n_args; 3571 } 3572 3573 static int have_cmd(int argc, const char **argv) 3574 { 3575 char **__argv = malloc(sizeof(const char *) * argc); 3576 3577 if (!__argv) { 3578 pr_err("malloc failed\n"); 3579 return -1; 3580 } 3581 3582 memcpy(__argv, argv, sizeof(const char *) * argc); 3583 argc = parse_options(argc, (const char **)__argv, record_options, 3584 NULL, PARSE_OPT_STOP_AT_NON_OPTION); 3585 free(__argv); 3586 3587 system_wide = (argc == 0); 3588 3589 return 0; 3590 } 3591 3592 static void script__setup_sample_type(struct perf_script *script) 3593 { 3594 struct perf_session *session = script->session; 3595 u64 sample_type = evlist__combined_sample_type(session->evlist); 3596 3597 callchain_param_setup(sample_type, perf_env__arch(session->machines.host.env)); 3598 3599 if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) { 3600 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n" 3601 "Please apply --call-graph lbr when recording.\n"); 3602 script->stitch_lbr = false; 3603 } 3604 } 3605 3606 static int process_stat_round_event(struct perf_session *session, 3607 union perf_event *event) 3608 { 3609 struct perf_record_stat_round *round = &event->stat_round; 3610 struct evsel *counter; 3611 3612 evlist__for_each_entry(session->evlist, counter) { 3613 perf_stat_process_counter(&stat_config, counter); 3614 process_stat(counter, round->time); 3615 } 3616 3617 process_stat_interval(round->time); 3618 return 0; 3619 } 3620 3621 static int process_stat_config_event(struct perf_session *session __maybe_unused, 3622 union perf_event *event) 3623 { 3624 perf_event__read_stat_config(&stat_config, &event->stat_config); 3625 return 0; 3626 } 3627 3628 static int set_maps(struct perf_script *script) 3629 { 3630 struct evlist *evlist = script->session->evlist; 3631 3632 if (!script->cpus || !script->threads) 3633 return 0; 3634 3635 if (WARN_ONCE(script->allocated, "stats double allocation\n")) 3636 return -EINVAL; 3637 3638 perf_evlist__set_maps(&evlist->core, script->cpus, script->threads); 3639 3640 if (evlist__alloc_stats(&stat_config, evlist, /*alloc_raw=*/true)) 3641 return -ENOMEM; 3642 3643 script->allocated = true; 3644 return 0; 3645 } 3646 3647 static 3648 int process_thread_map_event(struct perf_session *session, 3649 union perf_event *event) 3650 { 3651 struct perf_tool *tool = session->tool; 3652 struct perf_script *script = container_of(tool, struct perf_script, tool); 3653 3654 if (dump_trace) 3655 perf_event__fprintf_thread_map(event, stdout); 3656 3657 if (script->threads) { 3658 pr_warning("Extra thread map event, ignoring.\n"); 3659 return 0; 3660 } 3661 3662 script->threads = thread_map__new_event(&event->thread_map); 3663 if (!script->threads) 3664 return -ENOMEM; 3665 3666 return set_maps(script); 3667 } 3668 3669 static 3670 int process_cpu_map_event(struct perf_session *session, 3671 union perf_event *event) 3672 { 3673 struct perf_tool *tool = session->tool; 3674 struct perf_script *script = container_of(tool, struct perf_script, tool); 3675 3676 if (dump_trace) 3677 perf_event__fprintf_cpu_map(event, stdout); 3678 3679 if (script->cpus) { 3680 pr_warning("Extra cpu map event, ignoring.\n"); 3681 return 0; 3682 } 3683 3684 script->cpus = cpu_map__new_data(&event->cpu_map.data); 3685 if (!script->cpus) 3686 return -ENOMEM; 3687 3688 return set_maps(script); 3689 } 3690 3691 static int process_feature_event(struct perf_session *session, 3692 union perf_event *event) 3693 { 3694 if (event->feat.feat_id < HEADER_LAST_FEATURE) 3695 return perf_event__process_feature(session, event); 3696 return 0; 3697 } 3698 3699 #ifdef HAVE_AUXTRACE_SUPPORT 3700 static int perf_script__process_auxtrace_info(struct perf_session *session, 3701 union perf_event *event) 3702 { 3703 struct perf_tool *tool = session->tool; 3704 3705 int ret = perf_event__process_auxtrace_info(session, event); 3706 3707 if (ret == 0) { 3708 struct perf_script *script = container_of(tool, struct perf_script, tool); 3709 3710 ret = perf_script__setup_per_event_dump(script); 3711 } 3712 3713 return ret; 3714 } 3715 #else 3716 #define perf_script__process_auxtrace_info 0 3717 #endif 3718 3719 static int parse_insn_trace(const struct option *opt __maybe_unused, 3720 const char *str __maybe_unused, 3721 int unset __maybe_unused) 3722 { 3723 parse_output_fields(NULL, "+insn,-event,-period", 0); 3724 itrace_parse_synth_opts(opt, "i0ns", 0); 3725 symbol_conf.nanosecs = true; 3726 return 0; 3727 } 3728 3729 static int parse_xed(const struct option *opt __maybe_unused, 3730 const char *str __maybe_unused, 3731 int unset __maybe_unused) 3732 { 3733 if (isatty(1)) 3734 force_pager("xed -F insn: -A -64 | less"); 3735 else 3736 force_pager("xed -F insn: -A -64"); 3737 return 0; 3738 } 3739 3740 static int parse_call_trace(const struct option *opt __maybe_unused, 3741 const char *str __maybe_unused, 3742 int unset __maybe_unused) 3743 { 3744 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0); 3745 itrace_parse_synth_opts(opt, "cewp", 0); 3746 symbol_conf.nanosecs = true; 3747 symbol_conf.pad_output_len_dso = 50; 3748 return 0; 3749 } 3750 3751 static int parse_callret_trace(const struct option *opt __maybe_unused, 3752 const char *str __maybe_unused, 3753 int unset __maybe_unused) 3754 { 3755 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0); 3756 itrace_parse_synth_opts(opt, "crewp", 0); 3757 symbol_conf.nanosecs = true; 3758 return 0; 3759 } 3760 3761 int cmd_script(int argc, const char **argv) 3762 { 3763 bool show_full_info = false; 3764 bool header = false; 3765 bool header_only = false; 3766 bool script_started = false; 3767 bool unsorted_dump = false; 3768 char *rec_script_path = NULL; 3769 char *rep_script_path = NULL; 3770 struct perf_session *session; 3771 struct itrace_synth_opts itrace_synth_opts = { 3772 .set = false, 3773 .default_no_sample = true, 3774 }; 3775 struct utsname uts; 3776 char *script_path = NULL; 3777 const char *dlfilter_file = NULL; 3778 const char **__argv; 3779 int i, j, err = 0; 3780 struct perf_script script = { 3781 .tool = { 3782 .sample = process_sample_event, 3783 .mmap = perf_event__process_mmap, 3784 .mmap2 = perf_event__process_mmap2, 3785 .comm = perf_event__process_comm, 3786 .namespaces = perf_event__process_namespaces, 3787 .cgroup = perf_event__process_cgroup, 3788 .exit = perf_event__process_exit, 3789 .fork = perf_event__process_fork, 3790 .attr = process_attr, 3791 .event_update = perf_event__process_event_update, 3792 #ifdef HAVE_LIBTRACEEVENT 3793 .tracing_data = perf_event__process_tracing_data, 3794 #endif 3795 .feature = process_feature_event, 3796 .build_id = perf_event__process_build_id, 3797 .id_index = perf_event__process_id_index, 3798 .auxtrace_info = perf_script__process_auxtrace_info, 3799 .auxtrace = perf_event__process_auxtrace, 3800 .auxtrace_error = perf_event__process_auxtrace_error, 3801 .stat = perf_event__process_stat_event, 3802 .stat_round = process_stat_round_event, 3803 .stat_config = process_stat_config_event, 3804 .thread_map = process_thread_map_event, 3805 .cpu_map = process_cpu_map_event, 3806 .throttle = process_throttle_event, 3807 .unthrottle = process_throttle_event, 3808 .ordered_events = true, 3809 .ordering_requires_timestamps = true, 3810 }, 3811 }; 3812 struct perf_data data = { 3813 .mode = PERF_DATA_MODE_READ, 3814 }; 3815 const struct option options[] = { 3816 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 3817 "dump raw trace in ASCII"), 3818 OPT_BOOLEAN(0, "dump-unsorted-raw-trace", &unsorted_dump, 3819 "dump unsorted raw trace in ASCII"), 3820 OPT_INCR('v', "verbose", &verbose, 3821 "be more verbose (show symbol address, etc)"), 3822 OPT_BOOLEAN('L', "Latency", &latency_format, 3823 "show latency attributes (irqs/preemption disabled, etc)"), 3824 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", 3825 list_available_scripts), 3826 OPT_CALLBACK_NOOPT(0, "list-dlfilters", NULL, NULL, "list available dlfilters", 3827 list_available_dlfilters), 3828 OPT_CALLBACK('s', "script", NULL, "name", 3829 "script file name (lang:script name, script name, or *)", 3830 parse_scriptname), 3831 OPT_STRING('g', "gen-script", &generate_script_lang, "lang", 3832 "generate perf-script.xx script in specified language"), 3833 OPT_STRING(0, "dlfilter", &dlfilter_file, "file", "filter .so file name"), 3834 OPT_CALLBACK(0, "dlarg", NULL, "argument", "filter argument", 3835 add_dlarg), 3836 OPT_STRING('i', "input", &input_name, "file", "input file name"), 3837 OPT_BOOLEAN('d', "debug-mode", &debug_mode, 3838 "do various checks like samples ordering and lost events"), 3839 OPT_BOOLEAN(0, "header", &header, "Show data header."), 3840 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."), 3841 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 3842 "file", "vmlinux pathname"), 3843 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 3844 "file", "kallsyms pathname"), 3845 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, 3846 "When printing symbols do not display call chain"), 3847 OPT_CALLBACK(0, "symfs", NULL, "directory", 3848 "Look for files with symbols relative to this directory", 3849 symbol__config_symfs), 3850 OPT_CALLBACK('F', "fields", NULL, "str", 3851 "comma separated output fields prepend with 'type:'. " 3852 "+field to add and -field to remove." 3853 "Valid types: hw,sw,trace,raw,synth. " 3854 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso," 3855 "addr,symoff,srcline,period,iregs,uregs,brstack," 3856 "brstacksym,flags,data_src,weight,bpf-output,brstackinsn," 3857 "brstackinsnlen,brstackoff,callindent,insn,insnlen,synth," 3858 "phys_addr,metric,misc,srccode,ipc,tod,data_page_size," 3859 "code_page_size,ins_lat", 3860 parse_output_fields), 3861 OPT_BOOLEAN('a', "all-cpus", &system_wide, 3862 "system-wide collection from all CPUs"), 3863 OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", 3864 "only consider symbols in these DSOs"), 3865 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 3866 "only consider these symbols"), 3867 OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range, 3868 "Use with -S to list traced records within address range"), 3869 OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL, 3870 "Decode instructions from itrace", parse_insn_trace), 3871 OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL, 3872 "Run xed disassembler on output", parse_xed), 3873 OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL, 3874 "Decode calls from itrace", parse_call_trace), 3875 OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL, 3876 "Decode calls and returns from itrace", parse_callret_trace), 3877 OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]", 3878 "Only print symbols and callees with --call-trace/--call-ret-trace"), 3879 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]", 3880 "Stop display of callgraph at these symbols"), 3881 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), 3882 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 3883 "only display events for these comms"), 3884 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 3885 "only consider symbols in these pids"), 3886 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 3887 "only consider symbols in these tids"), 3888 OPT_UINTEGER(0, "max-stack", &scripting_max_stack, 3889 "Set the maximum stack depth when parsing the callchain, " 3890 "anything beyond the specified depth will be ignored. " 3891 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 3892 OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"), 3893 OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"), 3894 OPT_BOOLEAN('I', "show-info", &show_full_info, 3895 "display extended information from perf.data file"), 3896 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, 3897 "Show the path of [kernel.kallsyms]"), 3898 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, 3899 "Show the fork/comm/exit events"), 3900 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, 3901 "Show the mmap events"), 3902 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events, 3903 "Show context switch events (if recorded)"), 3904 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events, 3905 "Show namespace events (if recorded)"), 3906 OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events, 3907 "Show cgroup events (if recorded)"), 3908 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events, 3909 "Show lost events (if recorded)"), 3910 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events, 3911 "Show round events (if recorded)"), 3912 OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events, 3913 "Show bpf related events (if recorded)"), 3914 OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events, 3915 "Show text poke related events (if recorded)"), 3916 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump, 3917 "Dump trace output to files named by the monitored events"), 3918 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 3919 OPT_INTEGER(0, "max-blocks", &max_blocks, 3920 "Maximum number of code blocks to dump with brstackinsn"), 3921 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, 3922 "Use 9 decimal places when displaying time"), 3923 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 3924 "Instruction Tracing options\n" ITRACE_HELP, 3925 itrace_parse_synth_opts), 3926 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 3927 "Show full source file name path for source lines"), 3928 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 3929 "Enable symbol demangling"), 3930 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 3931 "Enable kernel symbol demangling"), 3932 OPT_STRING(0, "time", &script.time_str, "str", 3933 "Time span of interest (start,stop)"), 3934 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 3935 "Show inline function"), 3936 OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory", 3937 "guest mount directory under which every guest os" 3938 " instance has a subdir"), 3939 OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name, 3940 "file", "file saving guest os vmlinux"), 3941 OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms, 3942 "file", "file saving guest os /proc/kallsyms"), 3943 OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules, 3944 "file", "file saving guest os /proc/modules"), 3945 OPT_BOOLEAN(0, "guest-code", &symbol_conf.guest_code, 3946 "Guest code can be found in hypervisor process"), 3947 OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr, 3948 "Enable LBR callgraph stitching approach"), 3949 OPTS_EVSWITCH(&script.evswitch), 3950 OPT_END() 3951 }; 3952 const char * const script_subcommands[] = { "record", "report", NULL }; 3953 const char *script_usage[] = { 3954 "perf script [<options>]", 3955 "perf script [<options>] record <script> [<record-options>] <command>", 3956 "perf script [<options>] report <script> [script-args]", 3957 "perf script [<options>] <script> [<record-options>] <command>", 3958 "perf script [<options>] <top-script> [script-args]", 3959 NULL 3960 }; 3961 3962 perf_set_singlethreaded(); 3963 3964 setup_scripting(); 3965 3966 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage, 3967 PARSE_OPT_STOP_AT_NON_OPTION); 3968 3969 if (symbol_conf.guestmount || 3970 symbol_conf.default_guest_vmlinux_name || 3971 symbol_conf.default_guest_kallsyms || 3972 symbol_conf.default_guest_modules || 3973 symbol_conf.guest_code) { 3974 /* 3975 * Enable guest sample processing. 3976 */ 3977 perf_guest = true; 3978 } 3979 3980 data.path = input_name; 3981 data.force = symbol_conf.force; 3982 3983 if (unsorted_dump) { 3984 dump_trace = true; 3985 script.tool.ordered_events = false; 3986 } 3987 3988 if (symbol__validate_sym_arguments()) 3989 return -1; 3990 3991 if (argc > 1 && strlen(argv[0]) > 2 && strstarts("record", argv[0])) { 3992 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); 3993 if (!rec_script_path) 3994 return cmd_record(argc, argv); 3995 } 3996 3997 if (argc > 1 && strlen(argv[0]) > 2 && strstarts("report", argv[0])) { 3998 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); 3999 if (!rep_script_path) { 4000 fprintf(stderr, 4001 "Please specify a valid report script" 4002 "(see 'perf script -l' for listing)\n"); 4003 return -1; 4004 } 4005 } 4006 4007 if (reltime && deltatime) { 4008 fprintf(stderr, 4009 "reltime and deltatime - the two don't get along well. " 4010 "Please limit to --reltime or --deltatime.\n"); 4011 return -1; 4012 } 4013 4014 if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) && 4015 itrace_synth_opts.callchain_sz > scripting_max_stack) 4016 scripting_max_stack = itrace_synth_opts.callchain_sz; 4017 4018 /* make sure PERF_EXEC_PATH is set for scripts */ 4019 set_argv_exec_path(get_argv_exec_path()); 4020 4021 if (argc && !script_name && !rec_script_path && !rep_script_path) { 4022 int live_pipe[2]; 4023 int rep_args; 4024 pid_t pid; 4025 4026 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); 4027 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); 4028 4029 if (!rec_script_path && !rep_script_path) { 4030 script_name = find_script(argv[0]); 4031 if (script_name) { 4032 argc -= 1; 4033 argv += 1; 4034 goto script_found; 4035 } 4036 usage_with_options_msg(script_usage, options, 4037 "Couldn't find script `%s'\n\n See perf" 4038 " script -l for available scripts.\n", argv[0]); 4039 } 4040 4041 if (is_top_script(argv[0])) { 4042 rep_args = argc - 1; 4043 } else { 4044 int rec_args; 4045 4046 rep_args = has_required_arg(rep_script_path); 4047 rec_args = (argc - 1) - rep_args; 4048 if (rec_args < 0) { 4049 usage_with_options_msg(script_usage, options, 4050 "`%s' script requires options." 4051 "\n\n See perf script -l for available " 4052 "scripts and options.\n", argv[0]); 4053 } 4054 } 4055 4056 if (pipe(live_pipe) < 0) { 4057 perror("failed to create pipe"); 4058 return -1; 4059 } 4060 4061 pid = fork(); 4062 if (pid < 0) { 4063 perror("failed to fork"); 4064 return -1; 4065 } 4066 4067 if (!pid) { 4068 j = 0; 4069 4070 dup2(live_pipe[1], 1); 4071 close(live_pipe[0]); 4072 4073 if (is_top_script(argv[0])) { 4074 system_wide = true; 4075 } else if (!system_wide) { 4076 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { 4077 err = -1; 4078 goto out; 4079 } 4080 } 4081 4082 __argv = malloc((argc + 6) * sizeof(const char *)); 4083 if (!__argv) { 4084 pr_err("malloc failed\n"); 4085 err = -ENOMEM; 4086 goto out; 4087 } 4088 4089 __argv[j++] = "/bin/sh"; 4090 __argv[j++] = rec_script_path; 4091 if (system_wide) 4092 __argv[j++] = "-a"; 4093 __argv[j++] = "-q"; 4094 __argv[j++] = "-o"; 4095 __argv[j++] = "-"; 4096 for (i = rep_args + 1; i < argc; i++) 4097 __argv[j++] = argv[i]; 4098 __argv[j++] = NULL; 4099 4100 execvp("/bin/sh", (char **)__argv); 4101 free(__argv); 4102 exit(-1); 4103 } 4104 4105 dup2(live_pipe[0], 0); 4106 close(live_pipe[1]); 4107 4108 __argv = malloc((argc + 4) * sizeof(const char *)); 4109 if (!__argv) { 4110 pr_err("malloc failed\n"); 4111 err = -ENOMEM; 4112 goto out; 4113 } 4114 4115 j = 0; 4116 __argv[j++] = "/bin/sh"; 4117 __argv[j++] = rep_script_path; 4118 for (i = 1; i < rep_args + 1; i++) 4119 __argv[j++] = argv[i]; 4120 __argv[j++] = "-i"; 4121 __argv[j++] = "-"; 4122 __argv[j++] = NULL; 4123 4124 execvp("/bin/sh", (char **)__argv); 4125 free(__argv); 4126 exit(-1); 4127 } 4128 script_found: 4129 if (rec_script_path) 4130 script_path = rec_script_path; 4131 if (rep_script_path) 4132 script_path = rep_script_path; 4133 4134 if (script_path) { 4135 j = 0; 4136 4137 if (!rec_script_path) 4138 system_wide = false; 4139 else if (!system_wide) { 4140 if (have_cmd(argc - 1, &argv[1]) != 0) { 4141 err = -1; 4142 goto out; 4143 } 4144 } 4145 4146 __argv = malloc((argc + 2) * sizeof(const char *)); 4147 if (!__argv) { 4148 pr_err("malloc failed\n"); 4149 err = -ENOMEM; 4150 goto out; 4151 } 4152 4153 __argv[j++] = "/bin/sh"; 4154 __argv[j++] = script_path; 4155 if (system_wide) 4156 __argv[j++] = "-a"; 4157 for (i = 2; i < argc; i++) 4158 __argv[j++] = argv[i]; 4159 __argv[j++] = NULL; 4160 4161 execvp("/bin/sh", (char **)__argv); 4162 free(__argv); 4163 exit(-1); 4164 } 4165 4166 if (dlfilter_file) { 4167 dlfilter = dlfilter__new(dlfilter_file, dlargc, dlargv); 4168 if (!dlfilter) 4169 return -1; 4170 } 4171 4172 if (!script_name) { 4173 setup_pager(); 4174 use_browser = 0; 4175 } 4176 4177 session = perf_session__new(&data, &script.tool); 4178 if (IS_ERR(session)) 4179 return PTR_ERR(session); 4180 4181 if (header || header_only) { 4182 script.tool.show_feat_hdr = SHOW_FEAT_HEADER; 4183 perf_session__fprintf_info(session, stdout, show_full_info); 4184 if (header_only) 4185 goto out_delete; 4186 } 4187 if (show_full_info) 4188 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 4189 4190 if (symbol__init(&session->header.env) < 0) 4191 goto out_delete; 4192 4193 uname(&uts); 4194 if (data.is_pipe) { /* Assume pipe_mode indicates native_arch */ 4195 native_arch = true; 4196 } else if (session->header.env.arch) { 4197 if (!strcmp(uts.machine, session->header.env.arch)) 4198 native_arch = true; 4199 else if (!strcmp(uts.machine, "x86_64") && 4200 !strcmp(session->header.env.arch, "i386")) 4201 native_arch = true; 4202 } 4203 4204 script.session = session; 4205 script__setup_sample_type(&script); 4206 4207 if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) || 4208 symbol_conf.graph_function) 4209 itrace_synth_opts.thread_stack = true; 4210 4211 session->itrace_synth_opts = &itrace_synth_opts; 4212 4213 if (cpu_list) { 4214 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap); 4215 if (err < 0) 4216 goto out_delete; 4217 itrace_synth_opts.cpu_bitmap = cpu_bitmap; 4218 } 4219 4220 if (!no_callchain) 4221 symbol_conf.use_callchain = true; 4222 else 4223 symbol_conf.use_callchain = false; 4224 4225 #ifdef HAVE_LIBTRACEEVENT 4226 if (session->tevent.pevent && 4227 tep_set_function_resolver(session->tevent.pevent, 4228 machine__resolve_kernel_addr, 4229 &session->machines.host) < 0) { 4230 pr_err("%s: failed to set libtraceevent function resolver\n", __func__); 4231 err = -1; 4232 goto out_delete; 4233 } 4234 #endif 4235 if (generate_script_lang) { 4236 struct stat perf_stat; 4237 int input; 4238 4239 if (output_set_by_user()) { 4240 fprintf(stderr, 4241 "custom fields not supported for generated scripts"); 4242 err = -EINVAL; 4243 goto out_delete; 4244 } 4245 4246 input = open(data.path, O_RDONLY); /* input_name */ 4247 if (input < 0) { 4248 err = -errno; 4249 perror("failed to open file"); 4250 goto out_delete; 4251 } 4252 4253 err = fstat(input, &perf_stat); 4254 if (err < 0) { 4255 perror("failed to stat file"); 4256 goto out_delete; 4257 } 4258 4259 if (!perf_stat.st_size) { 4260 fprintf(stderr, "zero-sized file, nothing to do!\n"); 4261 goto out_delete; 4262 } 4263 4264 scripting_ops = script_spec__lookup(generate_script_lang); 4265 if (!scripting_ops) { 4266 fprintf(stderr, "invalid language specifier"); 4267 err = -ENOENT; 4268 goto out_delete; 4269 } 4270 #ifdef HAVE_LIBTRACEEVENT 4271 err = scripting_ops->generate_script(session->tevent.pevent, 4272 "perf-script"); 4273 #else 4274 err = scripting_ops->generate_script(NULL, "perf-script"); 4275 #endif 4276 goto out_delete; 4277 } 4278 4279 err = dlfilter__start(dlfilter, session); 4280 if (err) 4281 goto out_delete; 4282 4283 if (script_name) { 4284 err = scripting_ops->start_script(script_name, argc, argv, session); 4285 if (err) 4286 goto out_delete; 4287 pr_debug("perf script started with script %s\n\n", script_name); 4288 script_started = true; 4289 } 4290 4291 4292 err = perf_session__check_output_opt(session); 4293 if (err < 0) 4294 goto out_delete; 4295 4296 if (script.time_str) { 4297 err = perf_time__parse_for_ranges_reltime(script.time_str, session, 4298 &script.ptime_range, 4299 &script.range_size, 4300 &script.range_num, 4301 reltime); 4302 if (err < 0) 4303 goto out_delete; 4304 4305 itrace_synth_opts__set_time_range(&itrace_synth_opts, 4306 script.ptime_range, 4307 script.range_num); 4308 } 4309 4310 err = evswitch__init(&script.evswitch, session->evlist, stderr); 4311 if (err) 4312 goto out_delete; 4313 4314 if (zstd_init(&(session->zstd_data), 0) < 0) 4315 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n"); 4316 4317 err = __cmd_script(&script); 4318 4319 flush_scripting(); 4320 4321 out_delete: 4322 if (script.ptime_range) { 4323 itrace_synth_opts__clear_time_range(&itrace_synth_opts); 4324 zfree(&script.ptime_range); 4325 } 4326 4327 zstd_fini(&(session->zstd_data)); 4328 evlist__free_stats(session->evlist); 4329 perf_session__delete(session); 4330 perf_script__exit(&script); 4331 4332 if (script_started) 4333 cleanup_scripting(); 4334 dlfilter__cleanup(dlfilter); 4335 free_dlarg(); 4336 out: 4337 return err; 4338 } 4339