1 // SPDX-License-Identifier: GPL-2.0 2 #include "builtin.h" 3 4 #include "util/counts.h" 5 #include "util/debug.h" 6 #include "util/dso.h" 7 #include <subcmd/exec-cmd.h> 8 #include "util/header.h" 9 #include <subcmd/parse-options.h> 10 #include "util/perf_regs.h" 11 #include "util/session.h" 12 #include "util/tool.h" 13 #include "util/map.h" 14 #include "util/srcline.h" 15 #include "util/symbol.h" 16 #include "util/thread.h" 17 #include "util/trace-event.h" 18 #include "util/env.h" 19 #include "util/evlist.h" 20 #include "util/evsel.h" 21 #include "util/evsel_fprintf.h" 22 #include "util/evswitch.h" 23 #include "util/sort.h" 24 #include "util/data.h" 25 #include "util/auxtrace.h" 26 #include "util/cpumap.h" 27 #include "util/thread_map.h" 28 #include "util/stat.h" 29 #include "util/color.h" 30 #include "util/string2.h" 31 #include "util/thread-stack.h" 32 #include "util/time-utils.h" 33 #include "util/path.h" 34 #include "util/event.h" 35 #include "ui/ui.h" 36 #include "print_binary.h" 37 #include "archinsn.h" 38 #include <linux/bitmap.h> 39 #include <linux/kernel.h> 40 #include <linux/stringify.h> 41 #include <linux/time64.h> 42 #include <linux/zalloc.h> 43 #include <sys/utsname.h> 44 #include "asm/bug.h" 45 #include "util/mem-events.h" 46 #include "util/dump-insn.h" 47 #include <dirent.h> 48 #include <errno.h> 49 #include <inttypes.h> 50 #include <signal.h> 51 #include <sys/param.h> 52 #include <sys/types.h> 53 #include <sys/stat.h> 54 #include <fcntl.h> 55 #include <unistd.h> 56 #include <subcmd/pager.h> 57 #include <perf/evlist.h> 58 #include <linux/err.h> 59 #include "util/dlfilter.h" 60 #include "util/record.h" 61 #include "util/util.h" 62 #include "perf.h" 63 64 #include <linux/ctype.h> 65 66 static char const *script_name; 67 static char const *generate_script_lang; 68 static bool reltime; 69 static bool deltatime; 70 static u64 initial_time; 71 static u64 previous_time; 72 static bool debug_mode; 73 static u64 last_timestamp; 74 static u64 nr_unordered; 75 static bool no_callchain; 76 static bool latency_format; 77 static bool system_wide; 78 static bool print_flags; 79 static const char *cpu_list; 80 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); 81 static struct perf_stat_config stat_config; 82 static int max_blocks; 83 static bool native_arch; 84 static struct dlfilter *dlfilter; 85 static int dlargc; 86 static char **dlargv; 87 88 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH; 89 90 enum perf_output_field { 91 PERF_OUTPUT_COMM = 1ULL << 0, 92 PERF_OUTPUT_TID = 1ULL << 1, 93 PERF_OUTPUT_PID = 1ULL << 2, 94 PERF_OUTPUT_TIME = 1ULL << 3, 95 PERF_OUTPUT_CPU = 1ULL << 4, 96 PERF_OUTPUT_EVNAME = 1ULL << 5, 97 PERF_OUTPUT_TRACE = 1ULL << 6, 98 PERF_OUTPUT_IP = 1ULL << 7, 99 PERF_OUTPUT_SYM = 1ULL << 8, 100 PERF_OUTPUT_DSO = 1ULL << 9, 101 PERF_OUTPUT_ADDR = 1ULL << 10, 102 PERF_OUTPUT_SYMOFFSET = 1ULL << 11, 103 PERF_OUTPUT_SRCLINE = 1ULL << 12, 104 PERF_OUTPUT_PERIOD = 1ULL << 13, 105 PERF_OUTPUT_IREGS = 1ULL << 14, 106 PERF_OUTPUT_BRSTACK = 1ULL << 15, 107 PERF_OUTPUT_BRSTACKSYM = 1ULL << 16, 108 PERF_OUTPUT_DATA_SRC = 1ULL << 17, 109 PERF_OUTPUT_WEIGHT = 1ULL << 18, 110 PERF_OUTPUT_BPF_OUTPUT = 1ULL << 19, 111 PERF_OUTPUT_CALLINDENT = 1ULL << 20, 112 PERF_OUTPUT_INSN = 1ULL << 21, 113 PERF_OUTPUT_INSNLEN = 1ULL << 22, 114 PERF_OUTPUT_BRSTACKINSN = 1ULL << 23, 115 PERF_OUTPUT_BRSTACKOFF = 1ULL << 24, 116 PERF_OUTPUT_SYNTH = 1ULL << 25, 117 PERF_OUTPUT_PHYS_ADDR = 1ULL << 26, 118 PERF_OUTPUT_UREGS = 1ULL << 27, 119 PERF_OUTPUT_METRIC = 1ULL << 28, 120 PERF_OUTPUT_MISC = 1ULL << 29, 121 PERF_OUTPUT_SRCCODE = 1ULL << 30, 122 PERF_OUTPUT_IPC = 1ULL << 31, 123 PERF_OUTPUT_TOD = 1ULL << 32, 124 PERF_OUTPUT_DATA_PAGE_SIZE = 1ULL << 33, 125 PERF_OUTPUT_CODE_PAGE_SIZE = 1ULL << 34, 126 PERF_OUTPUT_INS_LAT = 1ULL << 35, 127 PERF_OUTPUT_BRSTACKINSNLEN = 1ULL << 36, 128 PERF_OUTPUT_MACHINE_PID = 1ULL << 37, 129 PERF_OUTPUT_VCPU = 1ULL << 38, 130 }; 131 132 struct perf_script { 133 struct perf_tool tool; 134 struct perf_session *session; 135 bool show_task_events; 136 bool show_mmap_events; 137 bool show_switch_events; 138 bool show_namespace_events; 139 bool show_lost_events; 140 bool show_round_events; 141 bool show_bpf_events; 142 bool show_cgroup_events; 143 bool show_text_poke_events; 144 bool allocated; 145 bool per_event_dump; 146 bool stitch_lbr; 147 struct evswitch evswitch; 148 struct perf_cpu_map *cpus; 149 struct perf_thread_map *threads; 150 int name_width; 151 const char *time_str; 152 struct perf_time_interval *ptime_range; 153 int range_size; 154 int range_num; 155 }; 156 157 struct output_option { 158 const char *str; 159 enum perf_output_field field; 160 } all_output_options[] = { 161 {.str = "comm", .field = PERF_OUTPUT_COMM}, 162 {.str = "tid", .field = PERF_OUTPUT_TID}, 163 {.str = "pid", .field = PERF_OUTPUT_PID}, 164 {.str = "time", .field = PERF_OUTPUT_TIME}, 165 {.str = "cpu", .field = PERF_OUTPUT_CPU}, 166 {.str = "event", .field = PERF_OUTPUT_EVNAME}, 167 {.str = "trace", .field = PERF_OUTPUT_TRACE}, 168 {.str = "ip", .field = PERF_OUTPUT_IP}, 169 {.str = "sym", .field = PERF_OUTPUT_SYM}, 170 {.str = "dso", .field = PERF_OUTPUT_DSO}, 171 {.str = "addr", .field = PERF_OUTPUT_ADDR}, 172 {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET}, 173 {.str = "srcline", .field = PERF_OUTPUT_SRCLINE}, 174 {.str = "period", .field = PERF_OUTPUT_PERIOD}, 175 {.str = "iregs", .field = PERF_OUTPUT_IREGS}, 176 {.str = "uregs", .field = PERF_OUTPUT_UREGS}, 177 {.str = "brstack", .field = PERF_OUTPUT_BRSTACK}, 178 {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM}, 179 {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC}, 180 {.str = "weight", .field = PERF_OUTPUT_WEIGHT}, 181 {.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT}, 182 {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT}, 183 {.str = "insn", .field = PERF_OUTPUT_INSN}, 184 {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN}, 185 {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN}, 186 {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF}, 187 {.str = "synth", .field = PERF_OUTPUT_SYNTH}, 188 {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR}, 189 {.str = "metric", .field = PERF_OUTPUT_METRIC}, 190 {.str = "misc", .field = PERF_OUTPUT_MISC}, 191 {.str = "srccode", .field = PERF_OUTPUT_SRCCODE}, 192 {.str = "ipc", .field = PERF_OUTPUT_IPC}, 193 {.str = "tod", .field = PERF_OUTPUT_TOD}, 194 {.str = "data_page_size", .field = PERF_OUTPUT_DATA_PAGE_SIZE}, 195 {.str = "code_page_size", .field = PERF_OUTPUT_CODE_PAGE_SIZE}, 196 {.str = "ins_lat", .field = PERF_OUTPUT_INS_LAT}, 197 {.str = "brstackinsnlen", .field = PERF_OUTPUT_BRSTACKINSNLEN}, 198 {.str = "machine_pid", .field = PERF_OUTPUT_MACHINE_PID}, 199 {.str = "vcpu", .field = PERF_OUTPUT_VCPU}, 200 }; 201 202 enum { 203 OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX, 204 OUTPUT_TYPE_OTHER, 205 OUTPUT_TYPE_MAX 206 }; 207 208 /* default set to maintain compatibility with current format */ 209 static struct { 210 bool user_set; 211 bool wildcard_set; 212 unsigned int print_ip_opts; 213 u64 fields; 214 u64 invalid_fields; 215 u64 user_set_fields; 216 u64 user_unset_fields; 217 } output[OUTPUT_TYPE_MAX] = { 218 219 [PERF_TYPE_HARDWARE] = { 220 .user_set = false, 221 222 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 223 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 224 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 225 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 226 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 227 228 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 229 }, 230 231 [PERF_TYPE_SOFTWARE] = { 232 .user_set = false, 233 234 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 235 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 236 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 237 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 238 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 239 PERF_OUTPUT_BPF_OUTPUT, 240 241 .invalid_fields = PERF_OUTPUT_TRACE, 242 }, 243 244 [PERF_TYPE_TRACEPOINT] = { 245 .user_set = false, 246 247 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 248 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 249 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE 250 }, 251 252 [PERF_TYPE_HW_CACHE] = { 253 .user_set = false, 254 255 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 256 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 257 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 258 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 259 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 260 261 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 262 }, 263 264 [PERF_TYPE_RAW] = { 265 .user_set = false, 266 267 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 268 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 269 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 270 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 271 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 272 PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC | 273 PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR | 274 PERF_OUTPUT_DATA_PAGE_SIZE | PERF_OUTPUT_CODE_PAGE_SIZE | 275 PERF_OUTPUT_INS_LAT, 276 277 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 278 }, 279 280 [PERF_TYPE_BREAKPOINT] = { 281 .user_set = false, 282 283 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 284 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 285 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 286 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 287 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 288 289 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 290 }, 291 292 [OUTPUT_TYPE_SYNTH] = { 293 .user_set = false, 294 295 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 296 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 297 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 298 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 299 PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH, 300 301 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 302 }, 303 304 [OUTPUT_TYPE_OTHER] = { 305 .user_set = false, 306 307 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 308 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 309 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 310 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 311 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 312 313 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 314 }, 315 }; 316 317 struct evsel_script { 318 char *filename; 319 FILE *fp; 320 u64 samples; 321 /* For metric output */ 322 u64 val; 323 int gnum; 324 }; 325 326 static inline struct evsel_script *evsel_script(struct evsel *evsel) 327 { 328 return (struct evsel_script *)evsel->priv; 329 } 330 331 static struct evsel_script *evsel_script__new(struct evsel *evsel, struct perf_data *data) 332 { 333 struct evsel_script *es = zalloc(sizeof(*es)); 334 335 if (es != NULL) { 336 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0) 337 goto out_free; 338 es->fp = fopen(es->filename, "w"); 339 if (es->fp == NULL) 340 goto out_free_filename; 341 } 342 343 return es; 344 out_free_filename: 345 zfree(&es->filename); 346 out_free: 347 free(es); 348 return NULL; 349 } 350 351 static void evsel_script__delete(struct evsel_script *es) 352 { 353 zfree(&es->filename); 354 fclose(es->fp); 355 es->fp = NULL; 356 free(es); 357 } 358 359 static int evsel_script__fprintf(struct evsel_script *es, FILE *fp) 360 { 361 struct stat st; 362 363 fstat(fileno(es->fp), &st); 364 return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n", 365 st.st_size / 1024.0 / 1024.0, es->filename, es->samples); 366 } 367 368 static inline int output_type(unsigned int type) 369 { 370 switch (type) { 371 case PERF_TYPE_SYNTH: 372 return OUTPUT_TYPE_SYNTH; 373 default: 374 if (type < PERF_TYPE_MAX) 375 return type; 376 } 377 378 return OUTPUT_TYPE_OTHER; 379 } 380 381 static bool output_set_by_user(void) 382 { 383 int j; 384 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 385 if (output[j].user_set) 386 return true; 387 } 388 return false; 389 } 390 391 static const char *output_field2str(enum perf_output_field field) 392 { 393 int i, imax = ARRAY_SIZE(all_output_options); 394 const char *str = ""; 395 396 for (i = 0; i < imax; ++i) { 397 if (all_output_options[i].field == field) { 398 str = all_output_options[i].str; 399 break; 400 } 401 } 402 return str; 403 } 404 405 #define PRINT_FIELD(x) (output[output_type(attr->type)].fields & PERF_OUTPUT_##x) 406 407 static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg, 408 enum perf_output_field field, bool allow_user_set) 409 { 410 struct perf_event_attr *attr = &evsel->core.attr; 411 int type = output_type(attr->type); 412 const char *evname; 413 414 if (attr->sample_type & sample_type) 415 return 0; 416 417 if (output[type].user_set_fields & field) { 418 if (allow_user_set) 419 return 0; 420 evname = evsel__name(evsel); 421 pr_err("Samples for '%s' event do not have %s attribute set. " 422 "Cannot print '%s' field.\n", 423 evname, sample_msg, output_field2str(field)); 424 return -1; 425 } 426 427 /* user did not ask for it explicitly so remove from the default list */ 428 output[type].fields &= ~field; 429 evname = evsel__name(evsel); 430 pr_debug("Samples for '%s' event do not have %s attribute set. " 431 "Skipping '%s' field.\n", 432 evname, sample_msg, output_field2str(field)); 433 434 return 0; 435 } 436 437 static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg, 438 enum perf_output_field field) 439 { 440 return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false); 441 } 442 443 static int evsel__check_attr(struct evsel *evsel, struct perf_session *session) 444 { 445 struct perf_event_attr *attr = &evsel->core.attr; 446 bool allow_user_set; 447 448 if (perf_header__has_feat(&session->header, HEADER_STAT)) 449 return 0; 450 451 allow_user_set = perf_header__has_feat(&session->header, 452 HEADER_AUXTRACE); 453 454 if (PRINT_FIELD(TRACE) && 455 !perf_session__has_traces(session, "record -R")) 456 return -EINVAL; 457 458 if (PRINT_FIELD(IP)) { 459 if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP)) 460 return -EINVAL; 461 } 462 463 if (PRINT_FIELD(ADDR) && 464 evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set)) 465 return -EINVAL; 466 467 if (PRINT_FIELD(DATA_SRC) && 468 evsel__do_check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC, allow_user_set)) 469 return -EINVAL; 470 471 if (PRINT_FIELD(WEIGHT) && 472 evsel__do_check_stype(evsel, PERF_SAMPLE_WEIGHT_TYPE, "WEIGHT", PERF_OUTPUT_WEIGHT, allow_user_set)) 473 return -EINVAL; 474 475 if (PRINT_FIELD(SYM) && 476 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 477 pr_err("Display of symbols requested but neither sample IP nor " 478 "sample address\navailable. Hence, no addresses to convert " 479 "to symbols.\n"); 480 return -EINVAL; 481 } 482 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) { 483 pr_err("Display of offsets requested but symbol is not" 484 "selected.\n"); 485 return -EINVAL; 486 } 487 if (PRINT_FIELD(DSO) && 488 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 489 pr_err("Display of DSO requested but no address to convert.\n"); 490 return -EINVAL; 491 } 492 if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) { 493 pr_err("Display of source line number requested but sample IP is not\n" 494 "selected. Hence, no address to lookup the source line number.\n"); 495 return -EINVAL; 496 } 497 if ((PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN)) && !allow_user_set && 498 !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) { 499 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n" 500 "Hint: run 'perf record -b ...'\n"); 501 return -EINVAL; 502 } 503 if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) && 504 evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID)) 505 return -EINVAL; 506 507 if (PRINT_FIELD(TIME) && 508 evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME)) 509 return -EINVAL; 510 511 if (PRINT_FIELD(CPU) && 512 evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set)) 513 return -EINVAL; 514 515 if (PRINT_FIELD(IREGS) && 516 evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set)) 517 return -EINVAL; 518 519 if (PRINT_FIELD(UREGS) && 520 evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS)) 521 return -EINVAL; 522 523 if (PRINT_FIELD(PHYS_ADDR) && 524 evsel__do_check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR, allow_user_set)) 525 return -EINVAL; 526 527 if (PRINT_FIELD(DATA_PAGE_SIZE) && 528 evsel__check_stype(evsel, PERF_SAMPLE_DATA_PAGE_SIZE, "DATA_PAGE_SIZE", PERF_OUTPUT_DATA_PAGE_SIZE)) 529 return -EINVAL; 530 531 if (PRINT_FIELD(CODE_PAGE_SIZE) && 532 evsel__check_stype(evsel, PERF_SAMPLE_CODE_PAGE_SIZE, "CODE_PAGE_SIZE", PERF_OUTPUT_CODE_PAGE_SIZE)) 533 return -EINVAL; 534 535 if (PRINT_FIELD(INS_LAT) && 536 evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_INS_LAT)) 537 return -EINVAL; 538 539 return 0; 540 } 541 542 static void set_print_ip_opts(struct perf_event_attr *attr) 543 { 544 unsigned int type = output_type(attr->type); 545 546 output[type].print_ip_opts = 0; 547 if (PRINT_FIELD(IP)) 548 output[type].print_ip_opts |= EVSEL__PRINT_IP; 549 550 if (PRINT_FIELD(SYM)) 551 output[type].print_ip_opts |= EVSEL__PRINT_SYM; 552 553 if (PRINT_FIELD(DSO)) 554 output[type].print_ip_opts |= EVSEL__PRINT_DSO; 555 556 if (PRINT_FIELD(SYMOFFSET)) 557 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET; 558 559 if (PRINT_FIELD(SRCLINE)) 560 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE; 561 } 562 563 static struct evsel *find_first_output_type(struct evlist *evlist, 564 unsigned int type) 565 { 566 struct evsel *evsel; 567 568 evlist__for_each_entry(evlist, evsel) { 569 if (output_type(evsel->core.attr.type) == (int)type) 570 return evsel; 571 } 572 return NULL; 573 } 574 575 /* 576 * verify all user requested events exist and the samples 577 * have the expected data 578 */ 579 static int perf_session__check_output_opt(struct perf_session *session) 580 { 581 bool tod = false; 582 unsigned int j; 583 struct evsel *evsel; 584 585 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 586 evsel = find_first_output_type(session->evlist, j); 587 588 /* 589 * even if fields is set to 0 (ie., show nothing) event must 590 * exist if user explicitly includes it on the command line 591 */ 592 if (!evsel && output[j].user_set && !output[j].wildcard_set && 593 j != OUTPUT_TYPE_SYNTH) { 594 pr_err("%s events do not exist. " 595 "Remove corresponding -F option to proceed.\n", 596 event_type(j)); 597 return -1; 598 } 599 600 if (evsel && output[j].fields && 601 evsel__check_attr(evsel, session)) 602 return -1; 603 604 if (evsel == NULL) 605 continue; 606 607 set_print_ip_opts(&evsel->core.attr); 608 tod |= output[j].fields & PERF_OUTPUT_TOD; 609 } 610 611 if (!no_callchain) { 612 bool use_callchain = false; 613 bool not_pipe = false; 614 615 evlist__for_each_entry(session->evlist, evsel) { 616 not_pipe = true; 617 if (evsel__has_callchain(evsel)) { 618 use_callchain = true; 619 break; 620 } 621 } 622 if (not_pipe && !use_callchain) 623 symbol_conf.use_callchain = false; 624 } 625 626 /* 627 * set default for tracepoints to print symbols only 628 * if callchains are present 629 */ 630 if (symbol_conf.use_callchain && 631 !output[PERF_TYPE_TRACEPOINT].user_set) { 632 j = PERF_TYPE_TRACEPOINT; 633 634 evlist__for_each_entry(session->evlist, evsel) { 635 if (evsel->core.attr.type != j) 636 continue; 637 638 if (evsel__has_callchain(evsel)) { 639 output[j].fields |= PERF_OUTPUT_IP; 640 output[j].fields |= PERF_OUTPUT_SYM; 641 output[j].fields |= PERF_OUTPUT_SYMOFFSET; 642 output[j].fields |= PERF_OUTPUT_DSO; 643 set_print_ip_opts(&evsel->core.attr); 644 goto out; 645 } 646 } 647 } 648 649 if (tod && !session->header.env.clock.enabled) { 650 pr_err("Can't provide 'tod' time, missing clock data. " 651 "Please record with -k/--clockid option.\n"); 652 return -1; 653 } 654 out: 655 return 0; 656 } 657 658 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask, const char *arch, 659 FILE *fp) 660 { 661 unsigned i = 0, r; 662 int printed = 0; 663 664 if (!regs || !regs->regs) 665 return 0; 666 667 printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi); 668 669 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) { 670 u64 val = regs->regs[i++]; 671 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r, arch), val); 672 } 673 674 return printed; 675 } 676 677 #define DEFAULT_TOD_FMT "%F %H:%M:%S" 678 679 static char* 680 tod_scnprintf(struct perf_script *script, char *buf, int buflen, 681 u64 timestamp) 682 { 683 u64 tod_ns, clockid_ns; 684 struct perf_env *env; 685 unsigned long nsec; 686 struct tm ltime; 687 char date[64]; 688 time_t sec; 689 690 buf[0] = '\0'; 691 if (buflen < 64 || !script) 692 return buf; 693 694 env = &script->session->header.env; 695 if (!env->clock.enabled) { 696 scnprintf(buf, buflen, "disabled"); 697 return buf; 698 } 699 700 clockid_ns = env->clock.clockid_ns; 701 tod_ns = env->clock.tod_ns; 702 703 if (timestamp > clockid_ns) 704 tod_ns += timestamp - clockid_ns; 705 else 706 tod_ns -= clockid_ns - timestamp; 707 708 sec = (time_t) (tod_ns / NSEC_PER_SEC); 709 nsec = tod_ns - sec * NSEC_PER_SEC; 710 711 if (localtime_r(&sec, <ime) == NULL) { 712 scnprintf(buf, buflen, "failed"); 713 } else { 714 strftime(date, sizeof(date), DEFAULT_TOD_FMT, <ime); 715 716 if (symbol_conf.nanosecs) { 717 snprintf(buf, buflen, "%s.%09lu", date, nsec); 718 } else { 719 snprintf(buf, buflen, "%s.%06lu", 720 date, nsec / NSEC_PER_USEC); 721 } 722 } 723 724 return buf; 725 } 726 727 static int perf_sample__fprintf_iregs(struct perf_sample *sample, 728 struct perf_event_attr *attr, const char *arch, FILE *fp) 729 { 730 return perf_sample__fprintf_regs(&sample->intr_regs, 731 attr->sample_regs_intr, arch, fp); 732 } 733 734 static int perf_sample__fprintf_uregs(struct perf_sample *sample, 735 struct perf_event_attr *attr, const char *arch, FILE *fp) 736 { 737 return perf_sample__fprintf_regs(&sample->user_regs, 738 attr->sample_regs_user, arch, fp); 739 } 740 741 static int perf_sample__fprintf_start(struct perf_script *script, 742 struct perf_sample *sample, 743 struct thread *thread, 744 struct evsel *evsel, 745 u32 type, FILE *fp) 746 { 747 struct perf_event_attr *attr = &evsel->core.attr; 748 unsigned long secs; 749 unsigned long long nsecs; 750 int printed = 0; 751 char tstr[128]; 752 753 if (PRINT_FIELD(MACHINE_PID) && sample->machine_pid) 754 printed += fprintf(fp, "VM:%5d ", sample->machine_pid); 755 756 /* Print VCPU only for guest events i.e. with machine_pid */ 757 if (PRINT_FIELD(VCPU) && sample->machine_pid) 758 printed += fprintf(fp, "VCPU:%03d ", sample->vcpu); 759 760 if (PRINT_FIELD(COMM)) { 761 const char *comm = thread ? thread__comm_str(thread) : ":-1"; 762 763 if (latency_format) 764 printed += fprintf(fp, "%8.8s ", comm); 765 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain) 766 printed += fprintf(fp, "%s ", comm); 767 else 768 printed += fprintf(fp, "%16s ", comm); 769 } 770 771 if (PRINT_FIELD(PID) && PRINT_FIELD(TID)) 772 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid); 773 else if (PRINT_FIELD(PID)) 774 printed += fprintf(fp, "%5d ", sample->pid); 775 else if (PRINT_FIELD(TID)) 776 printed += fprintf(fp, "%5d ", sample->tid); 777 778 if (PRINT_FIELD(CPU)) { 779 if (latency_format) 780 printed += fprintf(fp, "%3d ", sample->cpu); 781 else 782 printed += fprintf(fp, "[%03d] ", sample->cpu); 783 } 784 785 if (PRINT_FIELD(MISC)) { 786 int ret = 0; 787 788 #define has(m) \ 789 (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m 790 791 if (has(KERNEL)) 792 ret += fprintf(fp, "K"); 793 if (has(USER)) 794 ret += fprintf(fp, "U"); 795 if (has(HYPERVISOR)) 796 ret += fprintf(fp, "H"); 797 if (has(GUEST_KERNEL)) 798 ret += fprintf(fp, "G"); 799 if (has(GUEST_USER)) 800 ret += fprintf(fp, "g"); 801 802 switch (type) { 803 case PERF_RECORD_MMAP: 804 case PERF_RECORD_MMAP2: 805 if (has(MMAP_DATA)) 806 ret += fprintf(fp, "M"); 807 break; 808 case PERF_RECORD_COMM: 809 if (has(COMM_EXEC)) 810 ret += fprintf(fp, "E"); 811 break; 812 case PERF_RECORD_SWITCH: 813 case PERF_RECORD_SWITCH_CPU_WIDE: 814 if (has(SWITCH_OUT)) { 815 ret += fprintf(fp, "S"); 816 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT) 817 ret += fprintf(fp, "p"); 818 } 819 default: 820 break; 821 } 822 823 #undef has 824 825 ret += fprintf(fp, "%*s", 6 - ret, " "); 826 printed += ret; 827 } 828 829 if (PRINT_FIELD(TOD)) { 830 tod_scnprintf(script, tstr, sizeof(tstr), sample->time); 831 printed += fprintf(fp, "%s ", tstr); 832 } 833 834 if (PRINT_FIELD(TIME)) { 835 u64 t = sample->time; 836 if (reltime) { 837 if (!initial_time) 838 initial_time = sample->time; 839 t = sample->time - initial_time; 840 } else if (deltatime) { 841 if (previous_time) 842 t = sample->time - previous_time; 843 else { 844 t = 0; 845 } 846 previous_time = sample->time; 847 } 848 nsecs = t; 849 secs = nsecs / NSEC_PER_SEC; 850 nsecs -= secs * NSEC_PER_SEC; 851 852 if (symbol_conf.nanosecs) 853 printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs); 854 else { 855 char sample_time[32]; 856 timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time)); 857 printed += fprintf(fp, "%12s: ", sample_time); 858 } 859 } 860 861 return printed; 862 } 863 864 static inline char 865 mispred_str(struct branch_entry *br) 866 { 867 if (!(br->flags.mispred || br->flags.predicted)) 868 return '-'; 869 870 return br->flags.predicted ? 'P' : 'M'; 871 } 872 873 static int print_bstack_flags(FILE *fp, struct branch_entry *br) 874 { 875 return fprintf(fp, "/%c/%c/%c/%d/%s ", 876 mispred_str(br), 877 br->flags.in_tx ? 'X' : '-', 878 br->flags.abort ? 'A' : '-', 879 br->flags.cycles, 880 br->flags.type ? branch_type_name(br->flags.type) : "-"); 881 } 882 883 static int perf_sample__fprintf_brstack(struct perf_sample *sample, 884 struct thread *thread, 885 struct perf_event_attr *attr, FILE *fp) 886 { 887 struct branch_stack *br = sample->branch_stack; 888 struct branch_entry *entries = perf_sample__branch_entries(sample); 889 struct addr_location alf, alt; 890 u64 i, from, to; 891 int printed = 0; 892 893 if (!(br && br->nr)) 894 return 0; 895 896 for (i = 0; i < br->nr; i++) { 897 from = entries[i].from; 898 to = entries[i].to; 899 900 if (PRINT_FIELD(DSO)) { 901 memset(&alf, 0, sizeof(alf)); 902 memset(&alt, 0, sizeof(alt)); 903 thread__find_map_fb(thread, sample->cpumode, from, &alf); 904 thread__find_map_fb(thread, sample->cpumode, to, &alt); 905 } 906 907 printed += fprintf(fp, " 0x%"PRIx64, from); 908 if (PRINT_FIELD(DSO)) { 909 printed += fprintf(fp, "("); 910 printed += map__fprintf_dsoname(alf.map, fp); 911 printed += fprintf(fp, ")"); 912 } 913 914 printed += fprintf(fp, "/0x%"PRIx64, to); 915 if (PRINT_FIELD(DSO)) { 916 printed += fprintf(fp, "("); 917 printed += map__fprintf_dsoname(alt.map, fp); 918 printed += fprintf(fp, ")"); 919 } 920 921 printed += print_bstack_flags(fp, entries + i); 922 } 923 924 return printed; 925 } 926 927 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample, 928 struct thread *thread, 929 struct perf_event_attr *attr, FILE *fp) 930 { 931 struct branch_stack *br = sample->branch_stack; 932 struct branch_entry *entries = perf_sample__branch_entries(sample); 933 struct addr_location alf, alt; 934 u64 i, from, to; 935 int printed = 0; 936 937 if (!(br && br->nr)) 938 return 0; 939 940 for (i = 0; i < br->nr; i++) { 941 942 memset(&alf, 0, sizeof(alf)); 943 memset(&alt, 0, sizeof(alt)); 944 from = entries[i].from; 945 to = entries[i].to; 946 947 thread__find_symbol_fb(thread, sample->cpumode, from, &alf); 948 thread__find_symbol_fb(thread, sample->cpumode, to, &alt); 949 950 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp); 951 if (PRINT_FIELD(DSO)) { 952 printed += fprintf(fp, "("); 953 printed += map__fprintf_dsoname(alf.map, fp); 954 printed += fprintf(fp, ")"); 955 } 956 printed += fprintf(fp, "%c", '/'); 957 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp); 958 if (PRINT_FIELD(DSO)) { 959 printed += fprintf(fp, "("); 960 printed += map__fprintf_dsoname(alt.map, fp); 961 printed += fprintf(fp, ")"); 962 } 963 printed += print_bstack_flags(fp, entries + i); 964 } 965 966 return printed; 967 } 968 969 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample, 970 struct thread *thread, 971 struct perf_event_attr *attr, FILE *fp) 972 { 973 struct branch_stack *br = sample->branch_stack; 974 struct branch_entry *entries = perf_sample__branch_entries(sample); 975 struct addr_location alf, alt; 976 u64 i, from, to; 977 int printed = 0; 978 979 if (!(br && br->nr)) 980 return 0; 981 982 for (i = 0; i < br->nr; i++) { 983 984 memset(&alf, 0, sizeof(alf)); 985 memset(&alt, 0, sizeof(alt)); 986 from = entries[i].from; 987 to = entries[i].to; 988 989 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) && 990 !alf.map->dso->adjust_symbols) 991 from = map__map_ip(alf.map, from); 992 993 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) && 994 !alt.map->dso->adjust_symbols) 995 to = map__map_ip(alt.map, to); 996 997 printed += fprintf(fp, " 0x%"PRIx64, from); 998 if (PRINT_FIELD(DSO)) { 999 printed += fprintf(fp, "("); 1000 printed += map__fprintf_dsoname(alf.map, fp); 1001 printed += fprintf(fp, ")"); 1002 } 1003 printed += fprintf(fp, "/0x%"PRIx64, to); 1004 if (PRINT_FIELD(DSO)) { 1005 printed += fprintf(fp, "("); 1006 printed += map__fprintf_dsoname(alt.map, fp); 1007 printed += fprintf(fp, ")"); 1008 } 1009 printed += print_bstack_flags(fp, entries + i); 1010 } 1011 1012 return printed; 1013 } 1014 #define MAXBB 16384UL 1015 1016 static int grab_bb(u8 *buffer, u64 start, u64 end, 1017 struct machine *machine, struct thread *thread, 1018 bool *is64bit, u8 *cpumode, bool last) 1019 { 1020 long offset, len; 1021 struct addr_location al; 1022 bool kernel; 1023 1024 if (!start || !end) 1025 return 0; 1026 1027 kernel = machine__kernel_ip(machine, start); 1028 if (kernel) 1029 *cpumode = PERF_RECORD_MISC_KERNEL; 1030 else 1031 *cpumode = PERF_RECORD_MISC_USER; 1032 1033 /* 1034 * Block overlaps between kernel and user. 1035 * This can happen due to ring filtering 1036 * On Intel CPUs the entry into the kernel is filtered, 1037 * but the exit is not. Let the caller patch it up. 1038 */ 1039 if (kernel != machine__kernel_ip(machine, end)) { 1040 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end); 1041 return -ENXIO; 1042 } 1043 1044 memset(&al, 0, sizeof(al)); 1045 if (end - start > MAXBB - MAXINSN) { 1046 if (last) 1047 pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end); 1048 else 1049 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start); 1050 return 0; 1051 } 1052 1053 if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) { 1054 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 1055 return 0; 1056 } 1057 if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) { 1058 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 1059 return 0; 1060 } 1061 1062 /* Load maps to ensure dso->is_64_bit has been updated */ 1063 map__load(al.map); 1064 1065 offset = al.map->map_ip(al.map, start); 1066 len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer, 1067 end - start + MAXINSN); 1068 1069 *is64bit = al.map->dso->is_64_bit; 1070 if (len <= 0) 1071 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n", 1072 start, end); 1073 return len; 1074 } 1075 1076 static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state) 1077 { 1078 char *srcfile; 1079 int ret = 0; 1080 unsigned line; 1081 int len; 1082 char *srccode; 1083 1084 if (!map || !map->dso) 1085 return 0; 1086 srcfile = get_srcline_split(map->dso, 1087 map__rip_2objdump(map, addr), 1088 &line); 1089 if (!srcfile) 1090 return 0; 1091 1092 /* Avoid redundant printing */ 1093 if (state && 1094 state->srcfile && 1095 !strcmp(state->srcfile, srcfile) && 1096 state->line == line) { 1097 free(srcfile); 1098 return 0; 1099 } 1100 1101 srccode = find_sourceline(srcfile, line, &len); 1102 if (!srccode) 1103 goto out_free_line; 1104 1105 ret = fprintf(fp, "|%-8d %.*s", line, len, srccode); 1106 1107 if (state) { 1108 state->srcfile = srcfile; 1109 state->line = line; 1110 } 1111 return ret; 1112 1113 out_free_line: 1114 free(srcfile); 1115 return ret; 1116 } 1117 1118 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr) 1119 { 1120 struct addr_location al; 1121 int ret = 0; 1122 1123 memset(&al, 0, sizeof(al)); 1124 thread__find_map(thread, cpumode, addr, &al); 1125 if (!al.map) 1126 return 0; 1127 ret = map__fprintf_srccode(al.map, al.addr, stdout, 1128 &thread->srccode_state); 1129 if (ret) 1130 ret += printf("\n"); 1131 return ret; 1132 } 1133 1134 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en, 1135 struct perf_insn *x, u8 *inbuf, int len, 1136 int insn, FILE *fp, int *total_cycles, 1137 struct perf_event_attr *attr) 1138 { 1139 int ilen = 0; 1140 int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t", ip, 1141 dump_insn(x, ip, inbuf, len, &ilen)); 1142 1143 if (PRINT_FIELD(BRSTACKINSNLEN)) 1144 printed += fprintf(fp, "ilen: %d\t", ilen); 1145 1146 printed += fprintf(fp, "#%s%s%s%s", 1147 en->flags.predicted ? " PRED" : "", 1148 en->flags.mispred ? " MISPRED" : "", 1149 en->flags.in_tx ? " INTX" : "", 1150 en->flags.abort ? " ABORT" : ""); 1151 if (en->flags.cycles) { 1152 *total_cycles += en->flags.cycles; 1153 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles); 1154 if (insn) 1155 printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles); 1156 } 1157 return printed + fprintf(fp, "\n"); 1158 } 1159 1160 static int ip__fprintf_sym(uint64_t addr, struct thread *thread, 1161 u8 cpumode, int cpu, struct symbol **lastsym, 1162 struct perf_event_attr *attr, FILE *fp) 1163 { 1164 struct addr_location al; 1165 int off, printed = 0; 1166 1167 memset(&al, 0, sizeof(al)); 1168 1169 thread__find_map(thread, cpumode, addr, &al); 1170 1171 if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end) 1172 return 0; 1173 1174 al.cpu = cpu; 1175 al.sym = NULL; 1176 if (al.map) 1177 al.sym = map__find_symbol(al.map, al.addr); 1178 1179 if (!al.sym) 1180 return 0; 1181 1182 if (al.addr < al.sym->end) 1183 off = al.addr - al.sym->start; 1184 else 1185 off = al.addr - al.map->start - al.sym->start; 1186 printed += fprintf(fp, "\t%s", al.sym->name); 1187 if (off) 1188 printed += fprintf(fp, "%+d", off); 1189 printed += fprintf(fp, ":"); 1190 if (PRINT_FIELD(SRCLINE)) 1191 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp); 1192 printed += fprintf(fp, "\n"); 1193 *lastsym = al.sym; 1194 1195 return printed; 1196 } 1197 1198 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample, 1199 struct thread *thread, 1200 struct perf_event_attr *attr, 1201 struct machine *machine, FILE *fp) 1202 { 1203 struct branch_stack *br = sample->branch_stack; 1204 struct branch_entry *entries = perf_sample__branch_entries(sample); 1205 u64 start, end; 1206 int i, insn, len, nr, ilen, printed = 0; 1207 struct perf_insn x; 1208 u8 buffer[MAXBB]; 1209 unsigned off; 1210 struct symbol *lastsym = NULL; 1211 int total_cycles = 0; 1212 1213 if (!(br && br->nr)) 1214 return 0; 1215 nr = br->nr; 1216 if (max_blocks && nr > max_blocks + 1) 1217 nr = max_blocks + 1; 1218 1219 x.thread = thread; 1220 x.cpu = sample->cpu; 1221 1222 printed += fprintf(fp, "%c", '\n'); 1223 1224 /* Handle first from jump, of which we don't know the entry. */ 1225 len = grab_bb(buffer, entries[nr-1].from, 1226 entries[nr-1].from, 1227 machine, thread, &x.is64bit, &x.cpumode, false); 1228 if (len > 0) { 1229 printed += ip__fprintf_sym(entries[nr - 1].from, thread, 1230 x.cpumode, x.cpu, &lastsym, attr, fp); 1231 printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1], 1232 &x, buffer, len, 0, fp, &total_cycles, 1233 attr); 1234 if (PRINT_FIELD(SRCCODE)) 1235 printed += print_srccode(thread, x.cpumode, entries[nr - 1].from); 1236 } 1237 1238 /* Print all blocks */ 1239 for (i = nr - 2; i >= 0; i--) { 1240 if (entries[i].from || entries[i].to) 1241 pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i, 1242 entries[i].from, 1243 entries[i].to); 1244 start = entries[i + 1].to; 1245 end = entries[i].from; 1246 1247 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1248 /* Patch up missing kernel transfers due to ring filters */ 1249 if (len == -ENXIO && i > 0) { 1250 end = entries[--i].from; 1251 pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end); 1252 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1253 } 1254 if (len <= 0) 1255 continue; 1256 1257 insn = 0; 1258 for (off = 0; off < (unsigned)len; off += ilen) { 1259 uint64_t ip = start + off; 1260 1261 printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1262 if (ip == end) { 1263 printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp, 1264 &total_cycles, attr); 1265 if (PRINT_FIELD(SRCCODE)) 1266 printed += print_srccode(thread, x.cpumode, ip); 1267 break; 1268 } else { 1269 ilen = 0; 1270 printed += fprintf(fp, "\t%016" PRIx64 "\t%s", ip, 1271 dump_insn(&x, ip, buffer + off, len - off, &ilen)); 1272 if (PRINT_FIELD(BRSTACKINSNLEN)) 1273 printed += fprintf(fp, "\tilen: %d", ilen); 1274 printed += fprintf(fp, "\n"); 1275 if (ilen == 0) 1276 break; 1277 if (PRINT_FIELD(SRCCODE)) 1278 print_srccode(thread, x.cpumode, ip); 1279 insn++; 1280 } 1281 } 1282 if (off != end - start) 1283 printed += fprintf(fp, "\tmismatch of LBR data and executable\n"); 1284 } 1285 1286 /* 1287 * Hit the branch? In this case we are already done, and the target 1288 * has not been executed yet. 1289 */ 1290 if (entries[0].from == sample->ip) 1291 goto out; 1292 if (entries[0].flags.abort) 1293 goto out; 1294 1295 /* 1296 * Print final block upto sample 1297 * 1298 * Due to pipeline delays the LBRs might be missing a branch 1299 * or two, which can result in very large or negative blocks 1300 * between final branch and sample. When this happens just 1301 * continue walking after the last TO until we hit a branch. 1302 */ 1303 start = entries[0].to; 1304 end = sample->ip; 1305 if (end < start) { 1306 /* Missing jump. Scan 128 bytes for the next branch */ 1307 end = start + 128; 1308 } 1309 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true); 1310 printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1311 if (len <= 0) { 1312 /* Print at least last IP if basic block did not work */ 1313 len = grab_bb(buffer, sample->ip, sample->ip, 1314 machine, thread, &x.is64bit, &x.cpumode, false); 1315 if (len <= 0) 1316 goto out; 1317 ilen = 0; 1318 printed += fprintf(fp, "\t%016" PRIx64 "\t%s", sample->ip, 1319 dump_insn(&x, sample->ip, buffer, len, &ilen)); 1320 if (PRINT_FIELD(BRSTACKINSNLEN)) 1321 printed += fprintf(fp, "\tilen: %d", ilen); 1322 printed += fprintf(fp, "\n"); 1323 if (PRINT_FIELD(SRCCODE)) 1324 print_srccode(thread, x.cpumode, sample->ip); 1325 goto out; 1326 } 1327 for (off = 0; off <= end - start; off += ilen) { 1328 ilen = 0; 1329 printed += fprintf(fp, "\t%016" PRIx64 "\t%s", start + off, 1330 dump_insn(&x, start + off, buffer + off, len - off, &ilen)); 1331 if (PRINT_FIELD(BRSTACKINSNLEN)) 1332 printed += fprintf(fp, "\tilen: %d", ilen); 1333 printed += fprintf(fp, "\n"); 1334 if (ilen == 0) 1335 break; 1336 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) { 1337 /* 1338 * Hit a missing branch. Just stop. 1339 */ 1340 printed += fprintf(fp, "\t... not reaching sample ...\n"); 1341 break; 1342 } 1343 if (PRINT_FIELD(SRCCODE)) 1344 print_srccode(thread, x.cpumode, start + off); 1345 } 1346 out: 1347 return printed; 1348 } 1349 1350 static int perf_sample__fprintf_addr(struct perf_sample *sample, 1351 struct thread *thread, 1352 struct perf_event_attr *attr, FILE *fp) 1353 { 1354 struct addr_location al; 1355 int printed = fprintf(fp, "%16" PRIx64, sample->addr); 1356 1357 if (!sample_addr_correlates_sym(attr)) 1358 goto out; 1359 1360 thread__resolve(thread, &al, sample); 1361 1362 if (PRINT_FIELD(SYM)) { 1363 printed += fprintf(fp, " "); 1364 if (PRINT_FIELD(SYMOFFSET)) 1365 printed += symbol__fprintf_symname_offs(al.sym, &al, fp); 1366 else 1367 printed += symbol__fprintf_symname(al.sym, fp); 1368 } 1369 1370 if (PRINT_FIELD(DSO)) { 1371 printed += fprintf(fp, " ("); 1372 printed += map__fprintf_dsoname(al.map, fp); 1373 printed += fprintf(fp, ")"); 1374 } 1375 out: 1376 return printed; 1377 } 1378 1379 static const char *resolve_branch_sym(struct perf_sample *sample, 1380 struct evsel *evsel, 1381 struct thread *thread, 1382 struct addr_location *al, 1383 struct addr_location *addr_al, 1384 u64 *ip) 1385 { 1386 struct perf_event_attr *attr = &evsel->core.attr; 1387 const char *name = NULL; 1388 1389 if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) { 1390 if (sample_addr_correlates_sym(attr)) { 1391 if (!addr_al->thread) 1392 thread__resolve(thread, addr_al, sample); 1393 if (addr_al->sym) 1394 name = addr_al->sym->name; 1395 else 1396 *ip = sample->addr; 1397 } else { 1398 *ip = sample->addr; 1399 } 1400 } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) { 1401 if (al->sym) 1402 name = al->sym->name; 1403 else 1404 *ip = sample->ip; 1405 } 1406 return name; 1407 } 1408 1409 static int perf_sample__fprintf_callindent(struct perf_sample *sample, 1410 struct evsel *evsel, 1411 struct thread *thread, 1412 struct addr_location *al, 1413 struct addr_location *addr_al, 1414 FILE *fp) 1415 { 1416 struct perf_event_attr *attr = &evsel->core.attr; 1417 size_t depth = thread_stack__depth(thread, sample->cpu); 1418 const char *name = NULL; 1419 static int spacing; 1420 int len = 0; 1421 int dlen = 0; 1422 u64 ip = 0; 1423 1424 /* 1425 * The 'return' has already been popped off the stack so the depth has 1426 * to be adjusted to match the 'call'. 1427 */ 1428 if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN) 1429 depth += 1; 1430 1431 name = resolve_branch_sym(sample, evsel, thread, al, addr_al, &ip); 1432 1433 if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) { 1434 dlen += fprintf(fp, "("); 1435 dlen += map__fprintf_dsoname(al->map, fp); 1436 dlen += fprintf(fp, ")\t"); 1437 } 1438 1439 if (name) 1440 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name); 1441 else if (ip) 1442 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip); 1443 1444 if (len < 0) 1445 return len; 1446 1447 /* 1448 * Try to keep the output length from changing frequently so that the 1449 * output lines up more nicely. 1450 */ 1451 if (len > spacing || (len && len < spacing - 52)) 1452 spacing = round_up(len + 4, 32); 1453 1454 if (len < spacing) 1455 len += fprintf(fp, "%*s", spacing - len, ""); 1456 1457 return len + dlen; 1458 } 1459 1460 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused, 1461 struct thread *thread __maybe_unused, 1462 struct machine *machine __maybe_unused) 1463 { 1464 } 1465 1466 void script_fetch_insn(struct perf_sample *sample, struct thread *thread, 1467 struct machine *machine) 1468 { 1469 if (sample->insn_len == 0 && native_arch) 1470 arch_fetch_insn(sample, thread, machine); 1471 } 1472 1473 static int perf_sample__fprintf_insn(struct perf_sample *sample, 1474 struct perf_event_attr *attr, 1475 struct thread *thread, 1476 struct machine *machine, FILE *fp) 1477 { 1478 int printed = 0; 1479 1480 script_fetch_insn(sample, thread, machine); 1481 1482 if (PRINT_FIELD(INSNLEN)) 1483 printed += fprintf(fp, " ilen: %d", sample->insn_len); 1484 if (PRINT_FIELD(INSN) && sample->insn_len) { 1485 int i; 1486 1487 printed += fprintf(fp, " insn:"); 1488 for (i = 0; i < sample->insn_len; i++) 1489 printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]); 1490 } 1491 if (PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN)) 1492 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp); 1493 1494 return printed; 1495 } 1496 1497 static int perf_sample__fprintf_ipc(struct perf_sample *sample, 1498 struct perf_event_attr *attr, FILE *fp) 1499 { 1500 unsigned int ipc; 1501 1502 if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt) 1503 return 0; 1504 1505 ipc = (sample->insn_cnt * 100) / sample->cyc_cnt; 1506 1507 return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ", 1508 ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt); 1509 } 1510 1511 static int perf_sample__fprintf_bts(struct perf_sample *sample, 1512 struct evsel *evsel, 1513 struct thread *thread, 1514 struct addr_location *al, 1515 struct addr_location *addr_al, 1516 struct machine *machine, FILE *fp) 1517 { 1518 struct perf_event_attr *attr = &evsel->core.attr; 1519 unsigned int type = output_type(attr->type); 1520 bool print_srcline_last = false; 1521 int printed = 0; 1522 1523 if (PRINT_FIELD(CALLINDENT)) 1524 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, addr_al, fp); 1525 1526 /* print branch_from information */ 1527 if (PRINT_FIELD(IP)) { 1528 unsigned int print_opts = output[type].print_ip_opts; 1529 struct callchain_cursor *cursor = NULL; 1530 1531 if (symbol_conf.use_callchain && sample->callchain && 1532 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 1533 sample, NULL, NULL, scripting_max_stack) == 0) 1534 cursor = &callchain_cursor; 1535 1536 if (cursor == NULL) { 1537 printed += fprintf(fp, " "); 1538 if (print_opts & EVSEL__PRINT_SRCLINE) { 1539 print_srcline_last = true; 1540 print_opts &= ~EVSEL__PRINT_SRCLINE; 1541 } 1542 } else 1543 printed += fprintf(fp, "\n"); 1544 1545 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, 1546 symbol_conf.bt_stop_list, fp); 1547 } 1548 1549 /* print branch_to information */ 1550 if (PRINT_FIELD(ADDR) || 1551 ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 1552 !output[type].user_set)) { 1553 printed += fprintf(fp, " => "); 1554 printed += perf_sample__fprintf_addr(sample, thread, attr, fp); 1555 } 1556 1557 printed += perf_sample__fprintf_ipc(sample, attr, fp); 1558 1559 if (print_srcline_last) 1560 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp); 1561 1562 printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 1563 printed += fprintf(fp, "\n"); 1564 if (PRINT_FIELD(SRCCODE)) { 1565 int ret = map__fprintf_srccode(al->map, al->addr, stdout, 1566 &thread->srccode_state); 1567 if (ret) { 1568 printed += ret; 1569 printed += printf("\n"); 1570 } 1571 } 1572 return printed; 1573 } 1574 1575 static struct { 1576 u32 flags; 1577 const char *name; 1578 } sample_flags[] = { 1579 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"}, 1580 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"}, 1581 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"}, 1582 {PERF_IP_FLAG_BRANCH, "jmp"}, 1583 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"}, 1584 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"}, 1585 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"}, 1586 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"}, 1587 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"}, 1588 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"}, 1589 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"}, 1590 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"}, 1591 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"}, 1592 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMENTRY, "vmentry"}, 1593 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMEXIT, "vmexit"}, 1594 {0, NULL} 1595 }; 1596 1597 static const char *sample_flags_to_name(u32 flags) 1598 { 1599 int i; 1600 1601 for (i = 0; sample_flags[i].name ; i++) { 1602 if (sample_flags[i].flags == flags) 1603 return sample_flags[i].name; 1604 } 1605 1606 return NULL; 1607 } 1608 1609 int perf_sample__sprintf_flags(u32 flags, char *str, size_t sz) 1610 { 1611 u32 xf = PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_INTR_DISABLE | 1612 PERF_IP_FLAG_INTR_TOGGLE; 1613 const char *chars = PERF_IP_FLAG_CHARS; 1614 const size_t n = strlen(PERF_IP_FLAG_CHARS); 1615 const char *name = NULL; 1616 size_t i, pos = 0; 1617 char xs[16] = {0}; 1618 1619 if (flags & xf) 1620 snprintf(xs, sizeof(xs), "(%s%s%s)", 1621 flags & PERF_IP_FLAG_IN_TX ? "x" : "", 1622 flags & PERF_IP_FLAG_INTR_DISABLE ? "D" : "", 1623 flags & PERF_IP_FLAG_INTR_TOGGLE ? "t" : ""); 1624 1625 name = sample_flags_to_name(flags & ~xf); 1626 if (name) 1627 return snprintf(str, sz, "%-15s%6s", name, xs); 1628 1629 if (flags & PERF_IP_FLAG_TRACE_BEGIN) { 1630 name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_BEGIN)); 1631 if (name) 1632 return snprintf(str, sz, "tr strt %-7s%6s", name, xs); 1633 } 1634 1635 if (flags & PERF_IP_FLAG_TRACE_END) { 1636 name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_END)); 1637 if (name) 1638 return snprintf(str, sz, "tr end %-7s%6s", name, xs); 1639 } 1640 1641 for (i = 0; i < n; i++, flags >>= 1) { 1642 if ((flags & 1) && pos < sz) 1643 str[pos++] = chars[i]; 1644 } 1645 for (; i < 32; i++, flags >>= 1) { 1646 if ((flags & 1) && pos < sz) 1647 str[pos++] = '?'; 1648 } 1649 if (pos < sz) 1650 str[pos] = 0; 1651 1652 return pos; 1653 } 1654 1655 static int perf_sample__fprintf_flags(u32 flags, FILE *fp) 1656 { 1657 char str[SAMPLE_FLAGS_BUF_SIZE]; 1658 1659 perf_sample__sprintf_flags(flags, str, sizeof(str)); 1660 return fprintf(fp, " %-21s ", str); 1661 } 1662 1663 struct printer_data { 1664 int line_no; 1665 bool hit_nul; 1666 bool is_printable; 1667 }; 1668 1669 static int sample__fprintf_bpf_output(enum binary_printer_ops op, 1670 unsigned int val, 1671 void *extra, FILE *fp) 1672 { 1673 unsigned char ch = (unsigned char)val; 1674 struct printer_data *printer_data = extra; 1675 int printed = 0; 1676 1677 switch (op) { 1678 case BINARY_PRINT_DATA_BEGIN: 1679 printed += fprintf(fp, "\n"); 1680 break; 1681 case BINARY_PRINT_LINE_BEGIN: 1682 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" : 1683 " "); 1684 break; 1685 case BINARY_PRINT_ADDR: 1686 printed += fprintf(fp, " %04x:", val); 1687 break; 1688 case BINARY_PRINT_NUM_DATA: 1689 printed += fprintf(fp, " %02x", val); 1690 break; 1691 case BINARY_PRINT_NUM_PAD: 1692 printed += fprintf(fp, " "); 1693 break; 1694 case BINARY_PRINT_SEP: 1695 printed += fprintf(fp, " "); 1696 break; 1697 case BINARY_PRINT_CHAR_DATA: 1698 if (printer_data->hit_nul && ch) 1699 printer_data->is_printable = false; 1700 1701 if (!isprint(ch)) { 1702 printed += fprintf(fp, "%c", '.'); 1703 1704 if (!printer_data->is_printable) 1705 break; 1706 1707 if (ch == '\0') 1708 printer_data->hit_nul = true; 1709 else 1710 printer_data->is_printable = false; 1711 } else { 1712 printed += fprintf(fp, "%c", ch); 1713 } 1714 break; 1715 case BINARY_PRINT_CHAR_PAD: 1716 printed += fprintf(fp, " "); 1717 break; 1718 case BINARY_PRINT_LINE_END: 1719 printed += fprintf(fp, "\n"); 1720 printer_data->line_no++; 1721 break; 1722 case BINARY_PRINT_DATA_END: 1723 default: 1724 break; 1725 } 1726 1727 return printed; 1728 } 1729 1730 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp) 1731 { 1732 unsigned int nr_bytes = sample->raw_size; 1733 struct printer_data printer_data = {0, false, true}; 1734 int printed = binary__fprintf(sample->raw_data, nr_bytes, 8, 1735 sample__fprintf_bpf_output, &printer_data, fp); 1736 1737 if (printer_data.is_printable && printer_data.hit_nul) 1738 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data)); 1739 1740 return printed; 1741 } 1742 1743 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp) 1744 { 1745 if (len > 0 && len < spacing) 1746 return fprintf(fp, "%*s", spacing - len, ""); 1747 1748 return 0; 1749 } 1750 1751 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp) 1752 { 1753 return perf_sample__fprintf_spacing(len, 34, fp); 1754 } 1755 1756 /* If a value contains only printable ASCII characters padded with NULLs */ 1757 static bool ptw_is_prt(u64 val) 1758 { 1759 char c; 1760 u32 i; 1761 1762 for (i = 0; i < sizeof(val); i++) { 1763 c = ((char *)&val)[i]; 1764 if (!c) 1765 break; 1766 if (!isprint(c) || !isascii(c)) 1767 return false; 1768 } 1769 for (; i < sizeof(val); i++) { 1770 c = ((char *)&val)[i]; 1771 if (c) 1772 return false; 1773 } 1774 return true; 1775 } 1776 1777 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp) 1778 { 1779 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample); 1780 char str[sizeof(u64) + 1] = ""; 1781 int len; 1782 u64 val; 1783 1784 if (perf_sample__bad_synth_size(sample, *data)) 1785 return 0; 1786 1787 val = le64_to_cpu(data->payload); 1788 if (ptw_is_prt(val)) { 1789 memcpy(str, &val, sizeof(val)); 1790 str[sizeof(val)] = 0; 1791 } 1792 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " %s ", 1793 data->ip, val, str); 1794 return len + perf_sample__fprintf_pt_spacing(len, fp); 1795 } 1796 1797 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp) 1798 { 1799 struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample); 1800 int len; 1801 1802 if (perf_sample__bad_synth_size(sample, *data)) 1803 return 0; 1804 1805 len = fprintf(fp, " hints: %#x extensions: %#x ", 1806 data->hints, data->extensions); 1807 return len + perf_sample__fprintf_pt_spacing(len, fp); 1808 } 1809 1810 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp) 1811 { 1812 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample); 1813 int len; 1814 1815 if (perf_sample__bad_synth_size(sample, *data)) 1816 return 0; 1817 1818 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ", 1819 data->hw, data->cstate, data->subcstate); 1820 return len + perf_sample__fprintf_pt_spacing(len, fp); 1821 } 1822 1823 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp) 1824 { 1825 struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample); 1826 int len; 1827 1828 if (perf_sample__bad_synth_size(sample, *data)) 1829 return 0; 1830 1831 len = fprintf(fp, " IP: %u ", data->ip); 1832 return len + perf_sample__fprintf_pt_spacing(len, fp); 1833 } 1834 1835 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp) 1836 { 1837 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample); 1838 int len; 1839 1840 if (perf_sample__bad_synth_size(sample, *data)) 1841 return 0; 1842 1843 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ", 1844 data->deepest_cstate, data->last_cstate, 1845 data->wake_reason); 1846 return len + perf_sample__fprintf_pt_spacing(len, fp); 1847 } 1848 1849 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp) 1850 { 1851 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample); 1852 unsigned int percent, freq; 1853 int len; 1854 1855 if (perf_sample__bad_synth_size(sample, *data)) 1856 return 0; 1857 1858 freq = (le32_to_cpu(data->freq) + 500) / 1000; 1859 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq); 1860 if (data->max_nonturbo) { 1861 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10; 1862 len += fprintf(fp, "(%3u%%) ", percent); 1863 } 1864 return len + perf_sample__fprintf_pt_spacing(len, fp); 1865 } 1866 1867 static int perf_sample__fprintf_synth_psb(struct perf_sample *sample, FILE *fp) 1868 { 1869 struct perf_synth_intel_psb *data = perf_sample__synth_ptr(sample); 1870 int len; 1871 1872 if (perf_sample__bad_synth_size(sample, *data)) 1873 return 0; 1874 1875 len = fprintf(fp, " psb offs: %#" PRIx64, data->offset); 1876 return len + perf_sample__fprintf_pt_spacing(len, fp); 1877 } 1878 1879 /* Intel PT Event Trace */ 1880 static int perf_sample__fprintf_synth_evt(struct perf_sample *sample, FILE *fp) 1881 { 1882 struct perf_synth_intel_evt *data = perf_sample__synth_ptr(sample); 1883 const char *cfe[32] = {NULL, "INTR", "IRET", "SMI", "RSM", "SIPI", 1884 "INIT", "VMENTRY", "VMEXIT", "VMEXIT_INTR", 1885 "SHUTDOWN"}; 1886 const char *evd[64] = {"PFA", "VMXQ", "VMXR"}; 1887 const char *s; 1888 int len, i; 1889 1890 if (perf_sample__bad_synth_size(sample, *data)) 1891 return 0; 1892 1893 s = cfe[data->type]; 1894 if (s) { 1895 len = fprintf(fp, " cfe: %s IP: %d vector: %u", 1896 s, data->ip, data->vector); 1897 } else { 1898 len = fprintf(fp, " cfe: %u IP: %d vector: %u", 1899 data->type, data->ip, data->vector); 1900 } 1901 for (i = 0; i < data->evd_cnt; i++) { 1902 unsigned int et = data->evd[i].evd_type & 0x3f; 1903 1904 s = evd[et]; 1905 if (s) { 1906 len += fprintf(fp, " %s: %#" PRIx64, 1907 s, data->evd[i].payload); 1908 } else { 1909 len += fprintf(fp, " EVD_%u: %#" PRIx64, 1910 et, data->evd[i].payload); 1911 } 1912 } 1913 return len + perf_sample__fprintf_pt_spacing(len, fp); 1914 } 1915 1916 static int perf_sample__fprintf_synth_iflag_chg(struct perf_sample *sample, FILE *fp) 1917 { 1918 struct perf_synth_intel_iflag_chg *data = perf_sample__synth_ptr(sample); 1919 int len; 1920 1921 if (perf_sample__bad_synth_size(sample, *data)) 1922 return 0; 1923 1924 len = fprintf(fp, " IFLAG: %d->%d %s branch", !data->iflag, data->iflag, 1925 data->via_branch ? "via" : "non"); 1926 return len + perf_sample__fprintf_pt_spacing(len, fp); 1927 } 1928 1929 static int perf_sample__fprintf_synth(struct perf_sample *sample, 1930 struct evsel *evsel, FILE *fp) 1931 { 1932 switch (evsel->core.attr.config) { 1933 case PERF_SYNTH_INTEL_PTWRITE: 1934 return perf_sample__fprintf_synth_ptwrite(sample, fp); 1935 case PERF_SYNTH_INTEL_MWAIT: 1936 return perf_sample__fprintf_synth_mwait(sample, fp); 1937 case PERF_SYNTH_INTEL_PWRE: 1938 return perf_sample__fprintf_synth_pwre(sample, fp); 1939 case PERF_SYNTH_INTEL_EXSTOP: 1940 return perf_sample__fprintf_synth_exstop(sample, fp); 1941 case PERF_SYNTH_INTEL_PWRX: 1942 return perf_sample__fprintf_synth_pwrx(sample, fp); 1943 case PERF_SYNTH_INTEL_CBR: 1944 return perf_sample__fprintf_synth_cbr(sample, fp); 1945 case PERF_SYNTH_INTEL_PSB: 1946 return perf_sample__fprintf_synth_psb(sample, fp); 1947 case PERF_SYNTH_INTEL_EVT: 1948 return perf_sample__fprintf_synth_evt(sample, fp); 1949 case PERF_SYNTH_INTEL_IFLAG_CHG: 1950 return perf_sample__fprintf_synth_iflag_chg(sample, fp); 1951 default: 1952 break; 1953 } 1954 1955 return 0; 1956 } 1957 1958 static int evlist__max_name_len(struct evlist *evlist) 1959 { 1960 struct evsel *evsel; 1961 int max = 0; 1962 1963 evlist__for_each_entry(evlist, evsel) { 1964 int len = strlen(evsel__name(evsel)); 1965 1966 max = MAX(len, max); 1967 } 1968 1969 return max; 1970 } 1971 1972 static int data_src__fprintf(u64 data_src, FILE *fp) 1973 { 1974 struct mem_info mi = { .data_src.val = data_src }; 1975 char decode[100]; 1976 char out[100]; 1977 static int maxlen; 1978 int len; 1979 1980 perf_script__meminfo_scnprintf(decode, 100, &mi); 1981 1982 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode); 1983 if (maxlen < len) 1984 maxlen = len; 1985 1986 return fprintf(fp, "%-*s", maxlen, out); 1987 } 1988 1989 struct metric_ctx { 1990 struct perf_sample *sample; 1991 struct thread *thread; 1992 struct evsel *evsel; 1993 FILE *fp; 1994 }; 1995 1996 static void script_print_metric(struct perf_stat_config *config __maybe_unused, 1997 void *ctx, const char *color, 1998 const char *fmt, 1999 const char *unit, double val) 2000 { 2001 struct metric_ctx *mctx = ctx; 2002 2003 if (!fmt) 2004 return; 2005 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, 2006 PERF_RECORD_SAMPLE, mctx->fp); 2007 fputs("\tmetric: ", mctx->fp); 2008 if (color) 2009 color_fprintf(mctx->fp, color, fmt, val); 2010 else 2011 printf(fmt, val); 2012 fprintf(mctx->fp, " %s\n", unit); 2013 } 2014 2015 static void script_new_line(struct perf_stat_config *config __maybe_unused, 2016 void *ctx) 2017 { 2018 struct metric_ctx *mctx = ctx; 2019 2020 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, 2021 PERF_RECORD_SAMPLE, mctx->fp); 2022 fputs("\tmetric: ", mctx->fp); 2023 } 2024 2025 static void perf_sample__fprint_metric(struct perf_script *script, 2026 struct thread *thread, 2027 struct evsel *evsel, 2028 struct perf_sample *sample, 2029 FILE *fp) 2030 { 2031 struct evsel *leader = evsel__leader(evsel); 2032 struct perf_stat_output_ctx ctx = { 2033 .print_metric = script_print_metric, 2034 .new_line = script_new_line, 2035 .ctx = &(struct metric_ctx) { 2036 .sample = sample, 2037 .thread = thread, 2038 .evsel = evsel, 2039 .fp = fp, 2040 }, 2041 .force_header = false, 2042 }; 2043 struct evsel *ev2; 2044 u64 val; 2045 2046 if (!evsel->stats) 2047 evlist__alloc_stats(script->session->evlist, false); 2048 if (evsel_script(leader)->gnum++ == 0) 2049 perf_stat__reset_shadow_stats(); 2050 val = sample->period * evsel->scale; 2051 perf_stat__update_shadow_stats(evsel, 2052 val, 2053 sample->cpu, 2054 &rt_stat); 2055 evsel_script(evsel)->val = val; 2056 if (evsel_script(leader)->gnum == leader->core.nr_members) { 2057 for_each_group_member (ev2, leader) { 2058 perf_stat__print_shadow_stats(&stat_config, ev2, 2059 evsel_script(ev2)->val, 2060 sample->cpu, 2061 &ctx, 2062 NULL, 2063 &rt_stat); 2064 } 2065 evsel_script(leader)->gnum = 0; 2066 } 2067 } 2068 2069 static bool show_event(struct perf_sample *sample, 2070 struct evsel *evsel, 2071 struct thread *thread, 2072 struct addr_location *al, 2073 struct addr_location *addr_al) 2074 { 2075 int depth = thread_stack__depth(thread, sample->cpu); 2076 2077 if (!symbol_conf.graph_function) 2078 return true; 2079 2080 if (thread->filter) { 2081 if (depth <= thread->filter_entry_depth) { 2082 thread->filter = false; 2083 return false; 2084 } 2085 return true; 2086 } else { 2087 const char *s = symbol_conf.graph_function; 2088 u64 ip; 2089 const char *name = resolve_branch_sym(sample, evsel, thread, al, addr_al, 2090 &ip); 2091 unsigned nlen; 2092 2093 if (!name) 2094 return false; 2095 nlen = strlen(name); 2096 while (*s) { 2097 unsigned len = strcspn(s, ","); 2098 if (nlen == len && !strncmp(name, s, len)) { 2099 thread->filter = true; 2100 thread->filter_entry_depth = depth; 2101 return true; 2102 } 2103 s += len; 2104 if (*s == ',') 2105 s++; 2106 } 2107 return false; 2108 } 2109 } 2110 2111 static void process_event(struct perf_script *script, 2112 struct perf_sample *sample, struct evsel *evsel, 2113 struct addr_location *al, 2114 struct addr_location *addr_al, 2115 struct machine *machine) 2116 { 2117 struct thread *thread = al->thread; 2118 struct perf_event_attr *attr = &evsel->core.attr; 2119 unsigned int type = output_type(attr->type); 2120 struct evsel_script *es = evsel->priv; 2121 FILE *fp = es->fp; 2122 char str[PAGE_SIZE_NAME_LEN]; 2123 const char *arch = perf_env__arch(machine->env); 2124 2125 if (output[type].fields == 0) 2126 return; 2127 2128 ++es->samples; 2129 2130 perf_sample__fprintf_start(script, sample, thread, evsel, 2131 PERF_RECORD_SAMPLE, fp); 2132 2133 if (PRINT_FIELD(PERIOD)) 2134 fprintf(fp, "%10" PRIu64 " ", sample->period); 2135 2136 if (PRINT_FIELD(EVNAME)) { 2137 const char *evname = evsel__name(evsel); 2138 2139 if (!script->name_width) 2140 script->name_width = evlist__max_name_len(script->session->evlist); 2141 2142 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]"); 2143 } 2144 2145 if (print_flags) 2146 perf_sample__fprintf_flags(sample->flags, fp); 2147 2148 if (is_bts_event(attr)) { 2149 perf_sample__fprintf_bts(sample, evsel, thread, al, addr_al, machine, fp); 2150 return; 2151 } 2152 2153 if (PRINT_FIELD(TRACE) && sample->raw_data) { 2154 event_format__fprintf(evsel->tp_format, sample->cpu, 2155 sample->raw_data, sample->raw_size, fp); 2156 } 2157 2158 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH)) 2159 perf_sample__fprintf_synth(sample, evsel, fp); 2160 2161 if (PRINT_FIELD(ADDR)) 2162 perf_sample__fprintf_addr(sample, thread, attr, fp); 2163 2164 if (PRINT_FIELD(DATA_SRC)) 2165 data_src__fprintf(sample->data_src, fp); 2166 2167 if (PRINT_FIELD(WEIGHT)) 2168 fprintf(fp, "%16" PRIu64, sample->weight); 2169 2170 if (PRINT_FIELD(INS_LAT)) 2171 fprintf(fp, "%16" PRIu16, sample->ins_lat); 2172 2173 if (PRINT_FIELD(IP)) { 2174 struct callchain_cursor *cursor = NULL; 2175 2176 if (script->stitch_lbr) 2177 al->thread->lbr_stitch_enable = true; 2178 2179 if (symbol_conf.use_callchain && sample->callchain && 2180 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 2181 sample, NULL, NULL, scripting_max_stack) == 0) 2182 cursor = &callchain_cursor; 2183 2184 fputc(cursor ? '\n' : ' ', fp); 2185 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, 2186 symbol_conf.bt_stop_list, fp); 2187 } 2188 2189 if (PRINT_FIELD(IREGS)) 2190 perf_sample__fprintf_iregs(sample, attr, arch, fp); 2191 2192 if (PRINT_FIELD(UREGS)) 2193 perf_sample__fprintf_uregs(sample, attr, arch, fp); 2194 2195 if (PRINT_FIELD(BRSTACK)) 2196 perf_sample__fprintf_brstack(sample, thread, attr, fp); 2197 else if (PRINT_FIELD(BRSTACKSYM)) 2198 perf_sample__fprintf_brstacksym(sample, thread, attr, fp); 2199 else if (PRINT_FIELD(BRSTACKOFF)) 2200 perf_sample__fprintf_brstackoff(sample, thread, attr, fp); 2201 2202 if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT)) 2203 perf_sample__fprintf_bpf_output(sample, fp); 2204 perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 2205 2206 if (PRINT_FIELD(PHYS_ADDR)) 2207 fprintf(fp, "%16" PRIx64, sample->phys_addr); 2208 2209 if (PRINT_FIELD(DATA_PAGE_SIZE)) 2210 fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str)); 2211 2212 if (PRINT_FIELD(CODE_PAGE_SIZE)) 2213 fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str)); 2214 2215 perf_sample__fprintf_ipc(sample, attr, fp); 2216 2217 fprintf(fp, "\n"); 2218 2219 if (PRINT_FIELD(SRCCODE)) { 2220 if (map__fprintf_srccode(al->map, al->addr, stdout, 2221 &thread->srccode_state)) 2222 printf("\n"); 2223 } 2224 2225 if (PRINT_FIELD(METRIC)) 2226 perf_sample__fprint_metric(script, thread, evsel, sample, fp); 2227 2228 if (verbose) 2229 fflush(fp); 2230 } 2231 2232 static struct scripting_ops *scripting_ops; 2233 2234 static void __process_stat(struct evsel *counter, u64 tstamp) 2235 { 2236 int nthreads = perf_thread_map__nr(counter->core.threads); 2237 int idx, thread; 2238 struct perf_cpu cpu; 2239 static int header_printed; 2240 2241 if (counter->core.system_wide) 2242 nthreads = 1; 2243 2244 if (!header_printed) { 2245 printf("%3s %8s %15s %15s %15s %15s %s\n", 2246 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT"); 2247 header_printed = 1; 2248 } 2249 2250 for (thread = 0; thread < nthreads; thread++) { 2251 perf_cpu_map__for_each_cpu(cpu, idx, evsel__cpus(counter)) { 2252 struct perf_counts_values *counts; 2253 2254 counts = perf_counts(counter->counts, idx, thread); 2255 2256 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n", 2257 cpu.cpu, 2258 perf_thread_map__pid(counter->core.threads, thread), 2259 counts->val, 2260 counts->ena, 2261 counts->run, 2262 tstamp, 2263 evsel__name(counter)); 2264 } 2265 } 2266 } 2267 2268 static void process_stat(struct evsel *counter, u64 tstamp) 2269 { 2270 if (scripting_ops && scripting_ops->process_stat) 2271 scripting_ops->process_stat(&stat_config, counter, tstamp); 2272 else 2273 __process_stat(counter, tstamp); 2274 } 2275 2276 static void process_stat_interval(u64 tstamp) 2277 { 2278 if (scripting_ops && scripting_ops->process_stat_interval) 2279 scripting_ops->process_stat_interval(tstamp); 2280 } 2281 2282 static void setup_scripting(void) 2283 { 2284 setup_perl_scripting(); 2285 setup_python_scripting(); 2286 } 2287 2288 static int flush_scripting(void) 2289 { 2290 return scripting_ops ? scripting_ops->flush_script() : 0; 2291 } 2292 2293 static int cleanup_scripting(void) 2294 { 2295 pr_debug("\nperf script stopped\n"); 2296 2297 return scripting_ops ? scripting_ops->stop_script() : 0; 2298 } 2299 2300 static bool filter_cpu(struct perf_sample *sample) 2301 { 2302 if (cpu_list && sample->cpu != (u32)-1) 2303 return !test_bit(sample->cpu, cpu_bitmap); 2304 return false; 2305 } 2306 2307 static int process_sample_event(struct perf_tool *tool, 2308 union perf_event *event, 2309 struct perf_sample *sample, 2310 struct evsel *evsel, 2311 struct machine *machine) 2312 { 2313 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2314 struct addr_location al; 2315 struct addr_location addr_al; 2316 int ret = 0; 2317 2318 /* Set thread to NULL to indicate addr_al and al are not initialized */ 2319 addr_al.thread = NULL; 2320 al.thread = NULL; 2321 2322 ret = dlfilter__filter_event_early(dlfilter, event, sample, evsel, machine, &al, &addr_al); 2323 if (ret) { 2324 if (ret > 0) 2325 ret = 0; 2326 goto out_put; 2327 } 2328 2329 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num, 2330 sample->time)) { 2331 goto out_put; 2332 } 2333 2334 if (debug_mode) { 2335 if (sample->time < last_timestamp) { 2336 pr_err("Samples misordered, previous: %" PRIu64 2337 " this: %" PRIu64 "\n", last_timestamp, 2338 sample->time); 2339 nr_unordered++; 2340 } 2341 last_timestamp = sample->time; 2342 goto out_put; 2343 } 2344 2345 if (filter_cpu(sample)) 2346 goto out_put; 2347 2348 if (!al.thread && machine__resolve(machine, &al, sample) < 0) { 2349 pr_err("problem processing %d event, skipping it.\n", 2350 event->header.type); 2351 ret = -1; 2352 goto out_put; 2353 } 2354 2355 if (al.filtered) 2356 goto out_put; 2357 2358 if (!show_event(sample, evsel, al.thread, &al, &addr_al)) 2359 goto out_put; 2360 2361 if (evswitch__discard(&scr->evswitch, evsel)) 2362 goto out_put; 2363 2364 ret = dlfilter__filter_event(dlfilter, event, sample, evsel, machine, &al, &addr_al); 2365 if (ret) { 2366 if (ret > 0) 2367 ret = 0; 2368 goto out_put; 2369 } 2370 2371 if (scripting_ops) { 2372 struct addr_location *addr_al_ptr = NULL; 2373 2374 if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 2375 sample_addr_correlates_sym(&evsel->core.attr)) { 2376 if (!addr_al.thread) 2377 thread__resolve(al.thread, &addr_al, sample); 2378 addr_al_ptr = &addr_al; 2379 } 2380 scripting_ops->process_event(event, sample, evsel, &al, addr_al_ptr); 2381 } else { 2382 process_event(scr, sample, evsel, &al, &addr_al, machine); 2383 } 2384 2385 out_put: 2386 if (al.thread) 2387 addr_location__put(&al); 2388 return ret; 2389 } 2390 2391 static int process_attr(struct perf_tool *tool, union perf_event *event, 2392 struct evlist **pevlist) 2393 { 2394 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2395 struct evlist *evlist; 2396 struct evsel *evsel, *pos; 2397 u64 sample_type; 2398 int err; 2399 static struct evsel_script *es; 2400 2401 err = perf_event__process_attr(tool, event, pevlist); 2402 if (err) 2403 return err; 2404 2405 evlist = *pevlist; 2406 evsel = evlist__last(*pevlist); 2407 2408 if (!evsel->priv) { 2409 if (scr->per_event_dump) { 2410 evsel->priv = evsel_script__new(evsel, scr->session->data); 2411 } else { 2412 es = zalloc(sizeof(*es)); 2413 if (!es) 2414 return -ENOMEM; 2415 es->fp = stdout; 2416 evsel->priv = es; 2417 } 2418 } 2419 2420 if (evsel->core.attr.type >= PERF_TYPE_MAX && 2421 evsel->core.attr.type != PERF_TYPE_SYNTH) 2422 return 0; 2423 2424 evlist__for_each_entry(evlist, pos) { 2425 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel) 2426 return 0; 2427 } 2428 2429 if (evsel->core.attr.sample_type) { 2430 err = evsel__check_attr(evsel, scr->session); 2431 if (err) 2432 return err; 2433 } 2434 2435 /* 2436 * Check if we need to enable callchains based 2437 * on events sample_type. 2438 */ 2439 sample_type = evlist__combined_sample_type(evlist); 2440 callchain_param_setup(sample_type, perf_env__arch((*pevlist)->env)); 2441 2442 /* Enable fields for callchain entries */ 2443 if (symbol_conf.use_callchain && 2444 (sample_type & PERF_SAMPLE_CALLCHAIN || 2445 sample_type & PERF_SAMPLE_BRANCH_STACK || 2446 (sample_type & PERF_SAMPLE_REGS_USER && 2447 sample_type & PERF_SAMPLE_STACK_USER))) { 2448 int type = output_type(evsel->core.attr.type); 2449 2450 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP)) 2451 output[type].fields |= PERF_OUTPUT_IP; 2452 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM)) 2453 output[type].fields |= PERF_OUTPUT_SYM; 2454 } 2455 set_print_ip_opts(&evsel->core.attr); 2456 return 0; 2457 } 2458 2459 static int print_event_with_time(struct perf_tool *tool, 2460 union perf_event *event, 2461 struct perf_sample *sample, 2462 struct machine *machine, 2463 pid_t pid, pid_t tid, u64 timestamp) 2464 { 2465 struct perf_script *script = container_of(tool, struct perf_script, tool); 2466 struct perf_session *session = script->session; 2467 struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id); 2468 struct thread *thread = NULL; 2469 2470 if (evsel && !evsel->core.attr.sample_id_all) { 2471 sample->cpu = 0; 2472 sample->time = timestamp; 2473 sample->pid = pid; 2474 sample->tid = tid; 2475 } 2476 2477 if (filter_cpu(sample)) 2478 return 0; 2479 2480 if (tid != -1) 2481 thread = machine__findnew_thread(machine, pid, tid); 2482 2483 if (evsel) { 2484 perf_sample__fprintf_start(script, sample, thread, evsel, 2485 event->header.type, stdout); 2486 } 2487 2488 perf_event__fprintf(event, machine, stdout); 2489 2490 thread__put(thread); 2491 2492 return 0; 2493 } 2494 2495 static int print_event(struct perf_tool *tool, union perf_event *event, 2496 struct perf_sample *sample, struct machine *machine, 2497 pid_t pid, pid_t tid) 2498 { 2499 return print_event_with_time(tool, event, sample, machine, pid, tid, 0); 2500 } 2501 2502 static int process_comm_event(struct perf_tool *tool, 2503 union perf_event *event, 2504 struct perf_sample *sample, 2505 struct machine *machine) 2506 { 2507 if (perf_event__process_comm(tool, event, sample, machine) < 0) 2508 return -1; 2509 2510 return print_event(tool, event, sample, machine, event->comm.pid, 2511 event->comm.tid); 2512 } 2513 2514 static int process_namespaces_event(struct perf_tool *tool, 2515 union perf_event *event, 2516 struct perf_sample *sample, 2517 struct machine *machine) 2518 { 2519 if (perf_event__process_namespaces(tool, event, sample, machine) < 0) 2520 return -1; 2521 2522 return print_event(tool, event, sample, machine, event->namespaces.pid, 2523 event->namespaces.tid); 2524 } 2525 2526 static int process_cgroup_event(struct perf_tool *tool, 2527 union perf_event *event, 2528 struct perf_sample *sample, 2529 struct machine *machine) 2530 { 2531 if (perf_event__process_cgroup(tool, event, sample, machine) < 0) 2532 return -1; 2533 2534 return print_event(tool, event, sample, machine, sample->pid, 2535 sample->tid); 2536 } 2537 2538 static int process_fork_event(struct perf_tool *tool, 2539 union perf_event *event, 2540 struct perf_sample *sample, 2541 struct machine *machine) 2542 { 2543 if (perf_event__process_fork(tool, event, sample, machine) < 0) 2544 return -1; 2545 2546 return print_event_with_time(tool, event, sample, machine, 2547 event->fork.pid, event->fork.tid, 2548 event->fork.time); 2549 } 2550 static int process_exit_event(struct perf_tool *tool, 2551 union perf_event *event, 2552 struct perf_sample *sample, 2553 struct machine *machine) 2554 { 2555 /* Print before 'exit' deletes anything */ 2556 if (print_event_with_time(tool, event, sample, machine, event->fork.pid, 2557 event->fork.tid, event->fork.time)) 2558 return -1; 2559 2560 return perf_event__process_exit(tool, event, sample, machine); 2561 } 2562 2563 static int process_mmap_event(struct perf_tool *tool, 2564 union perf_event *event, 2565 struct perf_sample *sample, 2566 struct machine *machine) 2567 { 2568 if (perf_event__process_mmap(tool, event, sample, machine) < 0) 2569 return -1; 2570 2571 return print_event(tool, event, sample, machine, event->mmap.pid, 2572 event->mmap.tid); 2573 } 2574 2575 static int process_mmap2_event(struct perf_tool *tool, 2576 union perf_event *event, 2577 struct perf_sample *sample, 2578 struct machine *machine) 2579 { 2580 if (perf_event__process_mmap2(tool, event, sample, machine) < 0) 2581 return -1; 2582 2583 return print_event(tool, event, sample, machine, event->mmap2.pid, 2584 event->mmap2.tid); 2585 } 2586 2587 static int process_switch_event(struct perf_tool *tool, 2588 union perf_event *event, 2589 struct perf_sample *sample, 2590 struct machine *machine) 2591 { 2592 struct perf_script *script = container_of(tool, struct perf_script, tool); 2593 2594 if (perf_event__process_switch(tool, event, sample, machine) < 0) 2595 return -1; 2596 2597 if (scripting_ops && scripting_ops->process_switch && !filter_cpu(sample)) 2598 scripting_ops->process_switch(event, sample, machine); 2599 2600 if (!script->show_switch_events) 2601 return 0; 2602 2603 return print_event(tool, event, sample, machine, sample->pid, 2604 sample->tid); 2605 } 2606 2607 static int process_auxtrace_error(struct perf_session *session, 2608 union perf_event *event) 2609 { 2610 if (scripting_ops && scripting_ops->process_auxtrace_error) { 2611 scripting_ops->process_auxtrace_error(session, event); 2612 return 0; 2613 } 2614 2615 return perf_event__process_auxtrace_error(session, event); 2616 } 2617 2618 static int 2619 process_lost_event(struct perf_tool *tool, 2620 union perf_event *event, 2621 struct perf_sample *sample, 2622 struct machine *machine) 2623 { 2624 return print_event(tool, event, sample, machine, sample->pid, 2625 sample->tid); 2626 } 2627 2628 static int 2629 process_throttle_event(struct perf_tool *tool __maybe_unused, 2630 union perf_event *event, 2631 struct perf_sample *sample, 2632 struct machine *machine) 2633 { 2634 if (scripting_ops && scripting_ops->process_throttle) 2635 scripting_ops->process_throttle(event, sample, machine); 2636 return 0; 2637 } 2638 2639 static int 2640 process_finished_round_event(struct perf_tool *tool __maybe_unused, 2641 union perf_event *event, 2642 struct ordered_events *oe __maybe_unused) 2643 2644 { 2645 perf_event__fprintf(event, NULL, stdout); 2646 return 0; 2647 } 2648 2649 static int 2650 process_bpf_events(struct perf_tool *tool __maybe_unused, 2651 union perf_event *event, 2652 struct perf_sample *sample, 2653 struct machine *machine) 2654 { 2655 if (machine__process_ksymbol(machine, event, sample) < 0) 2656 return -1; 2657 2658 return print_event(tool, event, sample, machine, sample->pid, 2659 sample->tid); 2660 } 2661 2662 static int process_text_poke_events(struct perf_tool *tool, 2663 union perf_event *event, 2664 struct perf_sample *sample, 2665 struct machine *machine) 2666 { 2667 if (perf_event__process_text_poke(tool, event, sample, machine) < 0) 2668 return -1; 2669 2670 return print_event(tool, event, sample, machine, sample->pid, 2671 sample->tid); 2672 } 2673 2674 static void sig_handler(int sig __maybe_unused) 2675 { 2676 session_done = 1; 2677 } 2678 2679 static void perf_script__fclose_per_event_dump(struct perf_script *script) 2680 { 2681 struct evlist *evlist = script->session->evlist; 2682 struct evsel *evsel; 2683 2684 evlist__for_each_entry(evlist, evsel) { 2685 if (!evsel->priv) 2686 break; 2687 evsel_script__delete(evsel->priv); 2688 evsel->priv = NULL; 2689 } 2690 } 2691 2692 static int perf_script__fopen_per_event_dump(struct perf_script *script) 2693 { 2694 struct evsel *evsel; 2695 2696 evlist__for_each_entry(script->session->evlist, evsel) { 2697 /* 2698 * Already setup? I.e. we may be called twice in cases like 2699 * Intel PT, one for the intel_pt// and dummy events, then 2700 * for the evsels synthesized from the auxtrace info. 2701 * 2702 * Ses perf_script__process_auxtrace_info. 2703 */ 2704 if (evsel->priv != NULL) 2705 continue; 2706 2707 evsel->priv = evsel_script__new(evsel, script->session->data); 2708 if (evsel->priv == NULL) 2709 goto out_err_fclose; 2710 } 2711 2712 return 0; 2713 2714 out_err_fclose: 2715 perf_script__fclose_per_event_dump(script); 2716 return -1; 2717 } 2718 2719 static int perf_script__setup_per_event_dump(struct perf_script *script) 2720 { 2721 struct evsel *evsel; 2722 static struct evsel_script es_stdout; 2723 2724 if (script->per_event_dump) 2725 return perf_script__fopen_per_event_dump(script); 2726 2727 es_stdout.fp = stdout; 2728 2729 evlist__for_each_entry(script->session->evlist, evsel) 2730 evsel->priv = &es_stdout; 2731 2732 return 0; 2733 } 2734 2735 static void perf_script__exit_per_event_dump_stats(struct perf_script *script) 2736 { 2737 struct evsel *evsel; 2738 2739 evlist__for_each_entry(script->session->evlist, evsel) { 2740 struct evsel_script *es = evsel->priv; 2741 2742 evsel_script__fprintf(es, stdout); 2743 evsel_script__delete(es); 2744 evsel->priv = NULL; 2745 } 2746 } 2747 2748 static void perf_script__exit(struct perf_script *script) 2749 { 2750 perf_thread_map__put(script->threads); 2751 perf_cpu_map__put(script->cpus); 2752 } 2753 2754 static int __cmd_script(struct perf_script *script) 2755 { 2756 int ret; 2757 2758 signal(SIGINT, sig_handler); 2759 2760 perf_stat__init_shadow_stats(); 2761 2762 /* override event processing functions */ 2763 if (script->show_task_events) { 2764 script->tool.comm = process_comm_event; 2765 script->tool.fork = process_fork_event; 2766 script->tool.exit = process_exit_event; 2767 } 2768 if (script->show_mmap_events) { 2769 script->tool.mmap = process_mmap_event; 2770 script->tool.mmap2 = process_mmap2_event; 2771 } 2772 if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch)) 2773 script->tool.context_switch = process_switch_event; 2774 if (scripting_ops && scripting_ops->process_auxtrace_error) 2775 script->tool.auxtrace_error = process_auxtrace_error; 2776 if (script->show_namespace_events) 2777 script->tool.namespaces = process_namespaces_event; 2778 if (script->show_cgroup_events) 2779 script->tool.cgroup = process_cgroup_event; 2780 if (script->show_lost_events) 2781 script->tool.lost = process_lost_event; 2782 if (script->show_round_events) { 2783 script->tool.ordered_events = false; 2784 script->tool.finished_round = process_finished_round_event; 2785 } 2786 if (script->show_bpf_events) { 2787 script->tool.ksymbol = process_bpf_events; 2788 script->tool.bpf = process_bpf_events; 2789 } 2790 if (script->show_text_poke_events) { 2791 script->tool.ksymbol = process_bpf_events; 2792 script->tool.text_poke = process_text_poke_events; 2793 } 2794 2795 if (perf_script__setup_per_event_dump(script)) { 2796 pr_err("Couldn't create the per event dump files\n"); 2797 return -1; 2798 } 2799 2800 ret = perf_session__process_events(script->session); 2801 2802 if (script->per_event_dump) 2803 perf_script__exit_per_event_dump_stats(script); 2804 2805 if (debug_mode) 2806 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); 2807 2808 return ret; 2809 } 2810 2811 struct script_spec { 2812 struct list_head node; 2813 struct scripting_ops *ops; 2814 char spec[]; 2815 }; 2816 2817 static LIST_HEAD(script_specs); 2818 2819 static struct script_spec *script_spec__new(const char *spec, 2820 struct scripting_ops *ops) 2821 { 2822 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); 2823 2824 if (s != NULL) { 2825 strcpy(s->spec, spec); 2826 s->ops = ops; 2827 } 2828 2829 return s; 2830 } 2831 2832 static void script_spec__add(struct script_spec *s) 2833 { 2834 list_add_tail(&s->node, &script_specs); 2835 } 2836 2837 static struct script_spec *script_spec__find(const char *spec) 2838 { 2839 struct script_spec *s; 2840 2841 list_for_each_entry(s, &script_specs, node) 2842 if (strcasecmp(s->spec, spec) == 0) 2843 return s; 2844 return NULL; 2845 } 2846 2847 int script_spec_register(const char *spec, struct scripting_ops *ops) 2848 { 2849 struct script_spec *s; 2850 2851 s = script_spec__find(spec); 2852 if (s) 2853 return -1; 2854 2855 s = script_spec__new(spec, ops); 2856 if (!s) 2857 return -1; 2858 else 2859 script_spec__add(s); 2860 2861 return 0; 2862 } 2863 2864 static struct scripting_ops *script_spec__lookup(const char *spec) 2865 { 2866 struct script_spec *s = script_spec__find(spec); 2867 if (!s) 2868 return NULL; 2869 2870 return s->ops; 2871 } 2872 2873 static void list_available_languages(void) 2874 { 2875 struct script_spec *s; 2876 2877 fprintf(stderr, "\n"); 2878 fprintf(stderr, "Scripting language extensions (used in " 2879 "perf script -s [spec:]script.[spec]):\n\n"); 2880 2881 list_for_each_entry(s, &script_specs, node) 2882 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); 2883 2884 fprintf(stderr, "\n"); 2885 } 2886 2887 /* Find script file relative to current directory or exec path */ 2888 static char *find_script(const char *script) 2889 { 2890 char path[PATH_MAX]; 2891 2892 if (!scripting_ops) { 2893 const char *ext = strrchr(script, '.'); 2894 2895 if (!ext) 2896 return NULL; 2897 2898 scripting_ops = script_spec__lookup(++ext); 2899 if (!scripting_ops) 2900 return NULL; 2901 } 2902 2903 if (access(script, R_OK)) { 2904 char *exec_path = get_argv_exec_path(); 2905 2906 if (!exec_path) 2907 return NULL; 2908 snprintf(path, sizeof(path), "%s/scripts/%s/%s", 2909 exec_path, scripting_ops->dirname, script); 2910 free(exec_path); 2911 script = path; 2912 if (access(script, R_OK)) 2913 return NULL; 2914 } 2915 return strdup(script); 2916 } 2917 2918 static int parse_scriptname(const struct option *opt __maybe_unused, 2919 const char *str, int unset __maybe_unused) 2920 { 2921 char spec[PATH_MAX]; 2922 const char *script, *ext; 2923 int len; 2924 2925 if (strcmp(str, "lang") == 0) { 2926 list_available_languages(); 2927 exit(0); 2928 } 2929 2930 script = strchr(str, ':'); 2931 if (script) { 2932 len = script - str; 2933 if (len >= PATH_MAX) { 2934 fprintf(stderr, "invalid language specifier"); 2935 return -1; 2936 } 2937 strncpy(spec, str, len); 2938 spec[len] = '\0'; 2939 scripting_ops = script_spec__lookup(spec); 2940 if (!scripting_ops) { 2941 fprintf(stderr, "invalid language specifier"); 2942 return -1; 2943 } 2944 script++; 2945 } else { 2946 script = str; 2947 ext = strrchr(script, '.'); 2948 if (!ext) { 2949 fprintf(stderr, "invalid script extension"); 2950 return -1; 2951 } 2952 scripting_ops = script_spec__lookup(++ext); 2953 if (!scripting_ops) { 2954 fprintf(stderr, "invalid script extension"); 2955 return -1; 2956 } 2957 } 2958 2959 script_name = find_script(script); 2960 if (!script_name) 2961 script_name = strdup(script); 2962 2963 return 0; 2964 } 2965 2966 static int parse_output_fields(const struct option *opt __maybe_unused, 2967 const char *arg, int unset __maybe_unused) 2968 { 2969 char *tok, *strtok_saveptr = NULL; 2970 int i, imax = ARRAY_SIZE(all_output_options); 2971 int j; 2972 int rc = 0; 2973 char *str = strdup(arg); 2974 int type = -1; 2975 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT; 2976 2977 if (!str) 2978 return -ENOMEM; 2979 2980 /* first word can state for which event type the user is specifying 2981 * the fields. If no type exists, the specified fields apply to all 2982 * event types found in the file minus the invalid fields for a type. 2983 */ 2984 tok = strchr(str, ':'); 2985 if (tok) { 2986 *tok = '\0'; 2987 tok++; 2988 if (!strcmp(str, "hw")) 2989 type = PERF_TYPE_HARDWARE; 2990 else if (!strcmp(str, "sw")) 2991 type = PERF_TYPE_SOFTWARE; 2992 else if (!strcmp(str, "trace")) 2993 type = PERF_TYPE_TRACEPOINT; 2994 else if (!strcmp(str, "raw")) 2995 type = PERF_TYPE_RAW; 2996 else if (!strcmp(str, "break")) 2997 type = PERF_TYPE_BREAKPOINT; 2998 else if (!strcmp(str, "synth")) 2999 type = OUTPUT_TYPE_SYNTH; 3000 else { 3001 fprintf(stderr, "Invalid event type in field string.\n"); 3002 rc = -EINVAL; 3003 goto out; 3004 } 3005 3006 if (output[type].user_set) 3007 pr_warning("Overriding previous field request for %s events.\n", 3008 event_type(type)); 3009 3010 /* Don't override defaults for +- */ 3011 if (strchr(tok, '+') || strchr(tok, '-')) 3012 goto parse; 3013 3014 output[type].fields = 0; 3015 output[type].user_set = true; 3016 output[type].wildcard_set = false; 3017 3018 } else { 3019 tok = str; 3020 if (strlen(str) == 0) { 3021 fprintf(stderr, 3022 "Cannot set fields to 'none' for all event types.\n"); 3023 rc = -EINVAL; 3024 goto out; 3025 } 3026 3027 /* Don't override defaults for +- */ 3028 if (strchr(str, '+') || strchr(str, '-')) 3029 goto parse; 3030 3031 if (output_set_by_user()) 3032 pr_warning("Overriding previous field request for all events.\n"); 3033 3034 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 3035 output[j].fields = 0; 3036 output[j].user_set = true; 3037 output[j].wildcard_set = true; 3038 } 3039 } 3040 3041 parse: 3042 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) { 3043 if (*tok == '+') { 3044 if (change == SET) 3045 goto out_badmix; 3046 change = ADD; 3047 tok++; 3048 } else if (*tok == '-') { 3049 if (change == SET) 3050 goto out_badmix; 3051 change = REMOVE; 3052 tok++; 3053 } else { 3054 if (change != SET && change != DEFAULT) 3055 goto out_badmix; 3056 change = SET; 3057 } 3058 3059 for (i = 0; i < imax; ++i) { 3060 if (strcmp(tok, all_output_options[i].str) == 0) 3061 break; 3062 } 3063 if (i == imax && strcmp(tok, "flags") == 0) { 3064 print_flags = change != REMOVE; 3065 continue; 3066 } 3067 if (i == imax) { 3068 fprintf(stderr, "Invalid field requested.\n"); 3069 rc = -EINVAL; 3070 goto out; 3071 } 3072 3073 if (type == -1) { 3074 /* add user option to all events types for 3075 * which it is valid 3076 */ 3077 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 3078 if (output[j].invalid_fields & all_output_options[i].field) { 3079 pr_warning("\'%s\' not valid for %s events. Ignoring.\n", 3080 all_output_options[i].str, event_type(j)); 3081 } else { 3082 if (change == REMOVE) { 3083 output[j].fields &= ~all_output_options[i].field; 3084 output[j].user_set_fields &= ~all_output_options[i].field; 3085 output[j].user_unset_fields |= all_output_options[i].field; 3086 } else { 3087 output[j].fields |= all_output_options[i].field; 3088 output[j].user_set_fields |= all_output_options[i].field; 3089 output[j].user_unset_fields &= ~all_output_options[i].field; 3090 } 3091 output[j].user_set = true; 3092 output[j].wildcard_set = true; 3093 } 3094 } 3095 } else { 3096 if (output[type].invalid_fields & all_output_options[i].field) { 3097 fprintf(stderr, "\'%s\' not valid for %s events.\n", 3098 all_output_options[i].str, event_type(type)); 3099 3100 rc = -EINVAL; 3101 goto out; 3102 } 3103 if (change == REMOVE) 3104 output[type].fields &= ~all_output_options[i].field; 3105 else 3106 output[type].fields |= all_output_options[i].field; 3107 output[type].user_set = true; 3108 output[type].wildcard_set = true; 3109 } 3110 } 3111 3112 if (type >= 0) { 3113 if (output[type].fields == 0) { 3114 pr_debug("No fields requested for %s type. " 3115 "Events will not be displayed.\n", event_type(type)); 3116 } 3117 } 3118 goto out; 3119 3120 out_badmix: 3121 fprintf(stderr, "Cannot mix +-field with overridden fields\n"); 3122 rc = -EINVAL; 3123 out: 3124 free(str); 3125 return rc; 3126 } 3127 3128 #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \ 3129 while ((lang_dirent = readdir(scripts_dir)) != NULL) \ 3130 if ((lang_dirent->d_type == DT_DIR || \ 3131 (lang_dirent->d_type == DT_UNKNOWN && \ 3132 is_directory(scripts_path, lang_dirent))) && \ 3133 (strcmp(lang_dirent->d_name, ".")) && \ 3134 (strcmp(lang_dirent->d_name, ".."))) 3135 3136 #define for_each_script(lang_path, lang_dir, script_dirent) \ 3137 while ((script_dirent = readdir(lang_dir)) != NULL) \ 3138 if (script_dirent->d_type != DT_DIR && \ 3139 (script_dirent->d_type != DT_UNKNOWN || \ 3140 !is_directory(lang_path, script_dirent))) 3141 3142 3143 #define RECORD_SUFFIX "-record" 3144 #define REPORT_SUFFIX "-report" 3145 3146 struct script_desc { 3147 struct list_head node; 3148 char *name; 3149 char *half_liner; 3150 char *args; 3151 }; 3152 3153 static LIST_HEAD(script_descs); 3154 3155 static struct script_desc *script_desc__new(const char *name) 3156 { 3157 struct script_desc *s = zalloc(sizeof(*s)); 3158 3159 if (s != NULL && name) 3160 s->name = strdup(name); 3161 3162 return s; 3163 } 3164 3165 static void script_desc__delete(struct script_desc *s) 3166 { 3167 zfree(&s->name); 3168 zfree(&s->half_liner); 3169 zfree(&s->args); 3170 free(s); 3171 } 3172 3173 static void script_desc__add(struct script_desc *s) 3174 { 3175 list_add_tail(&s->node, &script_descs); 3176 } 3177 3178 static struct script_desc *script_desc__find(const char *name) 3179 { 3180 struct script_desc *s; 3181 3182 list_for_each_entry(s, &script_descs, node) 3183 if (strcasecmp(s->name, name) == 0) 3184 return s; 3185 return NULL; 3186 } 3187 3188 static struct script_desc *script_desc__findnew(const char *name) 3189 { 3190 struct script_desc *s = script_desc__find(name); 3191 3192 if (s) 3193 return s; 3194 3195 s = script_desc__new(name); 3196 if (!s) 3197 return NULL; 3198 3199 script_desc__add(s); 3200 3201 return s; 3202 } 3203 3204 static const char *ends_with(const char *str, const char *suffix) 3205 { 3206 size_t suffix_len = strlen(suffix); 3207 const char *p = str; 3208 3209 if (strlen(str) > suffix_len) { 3210 p = str + strlen(str) - suffix_len; 3211 if (!strncmp(p, suffix, suffix_len)) 3212 return p; 3213 } 3214 3215 return NULL; 3216 } 3217 3218 static int read_script_info(struct script_desc *desc, const char *filename) 3219 { 3220 char line[BUFSIZ], *p; 3221 FILE *fp; 3222 3223 fp = fopen(filename, "r"); 3224 if (!fp) 3225 return -1; 3226 3227 while (fgets(line, sizeof(line), fp)) { 3228 p = skip_spaces(line); 3229 if (strlen(p) == 0) 3230 continue; 3231 if (*p != '#') 3232 continue; 3233 p++; 3234 if (strlen(p) && *p == '!') 3235 continue; 3236 3237 p = skip_spaces(p); 3238 if (strlen(p) && p[strlen(p) - 1] == '\n') 3239 p[strlen(p) - 1] = '\0'; 3240 3241 if (!strncmp(p, "description:", strlen("description:"))) { 3242 p += strlen("description:"); 3243 desc->half_liner = strdup(skip_spaces(p)); 3244 continue; 3245 } 3246 3247 if (!strncmp(p, "args:", strlen("args:"))) { 3248 p += strlen("args:"); 3249 desc->args = strdup(skip_spaces(p)); 3250 continue; 3251 } 3252 } 3253 3254 fclose(fp); 3255 3256 return 0; 3257 } 3258 3259 static char *get_script_root(struct dirent *script_dirent, const char *suffix) 3260 { 3261 char *script_root, *str; 3262 3263 script_root = strdup(script_dirent->d_name); 3264 if (!script_root) 3265 return NULL; 3266 3267 str = (char *)ends_with(script_root, suffix); 3268 if (!str) { 3269 free(script_root); 3270 return NULL; 3271 } 3272 3273 *str = '\0'; 3274 return script_root; 3275 } 3276 3277 static int list_available_scripts(const struct option *opt __maybe_unused, 3278 const char *s __maybe_unused, 3279 int unset __maybe_unused) 3280 { 3281 struct dirent *script_dirent, *lang_dirent; 3282 char scripts_path[MAXPATHLEN]; 3283 DIR *scripts_dir, *lang_dir; 3284 char script_path[MAXPATHLEN]; 3285 char lang_path[MAXPATHLEN]; 3286 struct script_desc *desc; 3287 char first_half[BUFSIZ]; 3288 char *script_root; 3289 3290 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3291 3292 scripts_dir = opendir(scripts_path); 3293 if (!scripts_dir) { 3294 fprintf(stdout, 3295 "open(%s) failed.\n" 3296 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n", 3297 scripts_path); 3298 exit(-1); 3299 } 3300 3301 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3302 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3303 lang_dirent->d_name); 3304 lang_dir = opendir(lang_path); 3305 if (!lang_dir) 3306 continue; 3307 3308 for_each_script(lang_path, lang_dir, script_dirent) { 3309 script_root = get_script_root(script_dirent, REPORT_SUFFIX); 3310 if (script_root) { 3311 desc = script_desc__findnew(script_root); 3312 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3313 lang_path, script_dirent->d_name); 3314 read_script_info(desc, script_path); 3315 free(script_root); 3316 } 3317 } 3318 } 3319 3320 fprintf(stdout, "List of available trace scripts:\n"); 3321 list_for_each_entry(desc, &script_descs, node) { 3322 sprintf(first_half, "%s %s", desc->name, 3323 desc->args ? desc->args : ""); 3324 fprintf(stdout, " %-36s %s\n", first_half, 3325 desc->half_liner ? desc->half_liner : ""); 3326 } 3327 3328 exit(0); 3329 } 3330 3331 static int add_dlarg(const struct option *opt __maybe_unused, 3332 const char *s, int unset __maybe_unused) 3333 { 3334 char *arg = strdup(s); 3335 void *a; 3336 3337 if (!arg) 3338 return -1; 3339 3340 a = realloc(dlargv, sizeof(dlargv[0]) * (dlargc + 1)); 3341 if (!a) { 3342 free(arg); 3343 return -1; 3344 } 3345 3346 dlargv = a; 3347 dlargv[dlargc++] = arg; 3348 3349 return 0; 3350 } 3351 3352 static void free_dlarg(void) 3353 { 3354 while (dlargc--) 3355 free(dlargv[dlargc]); 3356 free(dlargv); 3357 } 3358 3359 /* 3360 * Some scripts specify the required events in their "xxx-record" file, 3361 * this function will check if the events in perf.data match those 3362 * mentioned in the "xxx-record". 3363 * 3364 * Fixme: All existing "xxx-record" are all in good formats "-e event ", 3365 * which is covered well now. And new parsing code should be added to 3366 * cover the future complex formats like event groups etc. 3367 */ 3368 static int check_ev_match(char *dir_name, char *scriptname, 3369 struct perf_session *session) 3370 { 3371 char filename[MAXPATHLEN], evname[128]; 3372 char line[BUFSIZ], *p; 3373 struct evsel *pos; 3374 int match, len; 3375 FILE *fp; 3376 3377 scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname); 3378 3379 fp = fopen(filename, "r"); 3380 if (!fp) 3381 return -1; 3382 3383 while (fgets(line, sizeof(line), fp)) { 3384 p = skip_spaces(line); 3385 if (*p == '#') 3386 continue; 3387 3388 while (strlen(p)) { 3389 p = strstr(p, "-e"); 3390 if (!p) 3391 break; 3392 3393 p += 2; 3394 p = skip_spaces(p); 3395 len = strcspn(p, " \t"); 3396 if (!len) 3397 break; 3398 3399 snprintf(evname, len + 1, "%s", p); 3400 3401 match = 0; 3402 evlist__for_each_entry(session->evlist, pos) { 3403 if (!strcmp(evsel__name(pos), evname)) { 3404 match = 1; 3405 break; 3406 } 3407 } 3408 3409 if (!match) { 3410 fclose(fp); 3411 return -1; 3412 } 3413 } 3414 } 3415 3416 fclose(fp); 3417 return 0; 3418 } 3419 3420 /* 3421 * Return -1 if none is found, otherwise the actual scripts number. 3422 * 3423 * Currently the only user of this function is the script browser, which 3424 * will list all statically runnable scripts, select one, execute it and 3425 * show the output in a perf browser. 3426 */ 3427 int find_scripts(char **scripts_array, char **scripts_path_array, int num, 3428 int pathlen) 3429 { 3430 struct dirent *script_dirent, *lang_dirent; 3431 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; 3432 DIR *scripts_dir, *lang_dir; 3433 struct perf_session *session; 3434 struct perf_data data = { 3435 .path = input_name, 3436 .mode = PERF_DATA_MODE_READ, 3437 }; 3438 char *temp; 3439 int i = 0; 3440 3441 session = perf_session__new(&data, NULL); 3442 if (IS_ERR(session)) 3443 return PTR_ERR(session); 3444 3445 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3446 3447 scripts_dir = opendir(scripts_path); 3448 if (!scripts_dir) { 3449 perf_session__delete(session); 3450 return -1; 3451 } 3452 3453 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3454 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, 3455 lang_dirent->d_name); 3456 #ifndef HAVE_LIBPERL_SUPPORT 3457 if (strstr(lang_path, "perl")) 3458 continue; 3459 #endif 3460 #ifndef HAVE_LIBPYTHON_SUPPORT 3461 if (strstr(lang_path, "python")) 3462 continue; 3463 #endif 3464 3465 lang_dir = opendir(lang_path); 3466 if (!lang_dir) 3467 continue; 3468 3469 for_each_script(lang_path, lang_dir, script_dirent) { 3470 /* Skip those real time scripts: xxxtop.p[yl] */ 3471 if (strstr(script_dirent->d_name, "top.")) 3472 continue; 3473 if (i >= num) 3474 break; 3475 snprintf(scripts_path_array[i], pathlen, "%s/%s", 3476 lang_path, 3477 script_dirent->d_name); 3478 temp = strchr(script_dirent->d_name, '.'); 3479 snprintf(scripts_array[i], 3480 (temp - script_dirent->d_name) + 1, 3481 "%s", script_dirent->d_name); 3482 3483 if (check_ev_match(lang_path, 3484 scripts_array[i], session)) 3485 continue; 3486 3487 i++; 3488 } 3489 closedir(lang_dir); 3490 } 3491 3492 closedir(scripts_dir); 3493 perf_session__delete(session); 3494 return i; 3495 } 3496 3497 static char *get_script_path(const char *script_root, const char *suffix) 3498 { 3499 struct dirent *script_dirent, *lang_dirent; 3500 char scripts_path[MAXPATHLEN]; 3501 char script_path[MAXPATHLEN]; 3502 DIR *scripts_dir, *lang_dir; 3503 char lang_path[MAXPATHLEN]; 3504 char *__script_root; 3505 3506 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3507 3508 scripts_dir = opendir(scripts_path); 3509 if (!scripts_dir) 3510 return NULL; 3511 3512 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3513 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3514 lang_dirent->d_name); 3515 lang_dir = opendir(lang_path); 3516 if (!lang_dir) 3517 continue; 3518 3519 for_each_script(lang_path, lang_dir, script_dirent) { 3520 __script_root = get_script_root(script_dirent, suffix); 3521 if (__script_root && !strcmp(script_root, __script_root)) { 3522 free(__script_root); 3523 closedir(scripts_dir); 3524 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3525 lang_path, script_dirent->d_name); 3526 closedir(lang_dir); 3527 return strdup(script_path); 3528 } 3529 free(__script_root); 3530 } 3531 closedir(lang_dir); 3532 } 3533 closedir(scripts_dir); 3534 3535 return NULL; 3536 } 3537 3538 static bool is_top_script(const char *script_path) 3539 { 3540 return ends_with(script_path, "top") != NULL; 3541 } 3542 3543 static int has_required_arg(char *script_path) 3544 { 3545 struct script_desc *desc; 3546 int n_args = 0; 3547 char *p; 3548 3549 desc = script_desc__new(NULL); 3550 3551 if (read_script_info(desc, script_path)) 3552 goto out; 3553 3554 if (!desc->args) 3555 goto out; 3556 3557 for (p = desc->args; *p; p++) 3558 if (*p == '<') 3559 n_args++; 3560 out: 3561 script_desc__delete(desc); 3562 3563 return n_args; 3564 } 3565 3566 static int have_cmd(int argc, const char **argv) 3567 { 3568 char **__argv = malloc(sizeof(const char *) * argc); 3569 3570 if (!__argv) { 3571 pr_err("malloc failed\n"); 3572 return -1; 3573 } 3574 3575 memcpy(__argv, argv, sizeof(const char *) * argc); 3576 argc = parse_options(argc, (const char **)__argv, record_options, 3577 NULL, PARSE_OPT_STOP_AT_NON_OPTION); 3578 free(__argv); 3579 3580 system_wide = (argc == 0); 3581 3582 return 0; 3583 } 3584 3585 static void script__setup_sample_type(struct perf_script *script) 3586 { 3587 struct perf_session *session = script->session; 3588 u64 sample_type = evlist__combined_sample_type(session->evlist); 3589 3590 callchain_param_setup(sample_type, perf_env__arch(session->machines.host.env)); 3591 3592 if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) { 3593 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n" 3594 "Please apply --call-graph lbr when recording.\n"); 3595 script->stitch_lbr = false; 3596 } 3597 } 3598 3599 static int process_stat_round_event(struct perf_session *session, 3600 union perf_event *event) 3601 { 3602 struct perf_record_stat_round *round = &event->stat_round; 3603 struct evsel *counter; 3604 3605 evlist__for_each_entry(session->evlist, counter) { 3606 perf_stat_process_counter(&stat_config, counter); 3607 process_stat(counter, round->time); 3608 } 3609 3610 process_stat_interval(round->time); 3611 return 0; 3612 } 3613 3614 static int process_stat_config_event(struct perf_session *session __maybe_unused, 3615 union perf_event *event) 3616 { 3617 perf_event__read_stat_config(&stat_config, &event->stat_config); 3618 return 0; 3619 } 3620 3621 static int set_maps(struct perf_script *script) 3622 { 3623 struct evlist *evlist = script->session->evlist; 3624 3625 if (!script->cpus || !script->threads) 3626 return 0; 3627 3628 if (WARN_ONCE(script->allocated, "stats double allocation\n")) 3629 return -EINVAL; 3630 3631 perf_evlist__set_maps(&evlist->core, script->cpus, script->threads); 3632 3633 if (evlist__alloc_stats(evlist, true)) 3634 return -ENOMEM; 3635 3636 script->allocated = true; 3637 return 0; 3638 } 3639 3640 static 3641 int process_thread_map_event(struct perf_session *session, 3642 union perf_event *event) 3643 { 3644 struct perf_tool *tool = session->tool; 3645 struct perf_script *script = container_of(tool, struct perf_script, tool); 3646 3647 if (dump_trace) 3648 perf_event__fprintf_thread_map(event, stdout); 3649 3650 if (script->threads) { 3651 pr_warning("Extra thread map event, ignoring.\n"); 3652 return 0; 3653 } 3654 3655 script->threads = thread_map__new_event(&event->thread_map); 3656 if (!script->threads) 3657 return -ENOMEM; 3658 3659 return set_maps(script); 3660 } 3661 3662 static 3663 int process_cpu_map_event(struct perf_session *session, 3664 union perf_event *event) 3665 { 3666 struct perf_tool *tool = session->tool; 3667 struct perf_script *script = container_of(tool, struct perf_script, tool); 3668 3669 if (dump_trace) 3670 perf_event__fprintf_cpu_map(event, stdout); 3671 3672 if (script->cpus) { 3673 pr_warning("Extra cpu map event, ignoring.\n"); 3674 return 0; 3675 } 3676 3677 script->cpus = cpu_map__new_data(&event->cpu_map.data); 3678 if (!script->cpus) 3679 return -ENOMEM; 3680 3681 return set_maps(script); 3682 } 3683 3684 static int process_feature_event(struct perf_session *session, 3685 union perf_event *event) 3686 { 3687 if (event->feat.feat_id < HEADER_LAST_FEATURE) 3688 return perf_event__process_feature(session, event); 3689 return 0; 3690 } 3691 3692 #ifdef HAVE_AUXTRACE_SUPPORT 3693 static int perf_script__process_auxtrace_info(struct perf_session *session, 3694 union perf_event *event) 3695 { 3696 struct perf_tool *tool = session->tool; 3697 3698 int ret = perf_event__process_auxtrace_info(session, event); 3699 3700 if (ret == 0) { 3701 struct perf_script *script = container_of(tool, struct perf_script, tool); 3702 3703 ret = perf_script__setup_per_event_dump(script); 3704 } 3705 3706 return ret; 3707 } 3708 #else 3709 #define perf_script__process_auxtrace_info 0 3710 #endif 3711 3712 static int parse_insn_trace(const struct option *opt __maybe_unused, 3713 const char *str __maybe_unused, 3714 int unset __maybe_unused) 3715 { 3716 parse_output_fields(NULL, "+insn,-event,-period", 0); 3717 itrace_parse_synth_opts(opt, "i0ns", 0); 3718 symbol_conf.nanosecs = true; 3719 return 0; 3720 } 3721 3722 static int parse_xed(const struct option *opt __maybe_unused, 3723 const char *str __maybe_unused, 3724 int unset __maybe_unused) 3725 { 3726 if (isatty(1)) 3727 force_pager("xed -F insn: -A -64 | less"); 3728 else 3729 force_pager("xed -F insn: -A -64"); 3730 return 0; 3731 } 3732 3733 static int parse_call_trace(const struct option *opt __maybe_unused, 3734 const char *str __maybe_unused, 3735 int unset __maybe_unused) 3736 { 3737 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0); 3738 itrace_parse_synth_opts(opt, "cewp", 0); 3739 symbol_conf.nanosecs = true; 3740 symbol_conf.pad_output_len_dso = 50; 3741 return 0; 3742 } 3743 3744 static int parse_callret_trace(const struct option *opt __maybe_unused, 3745 const char *str __maybe_unused, 3746 int unset __maybe_unused) 3747 { 3748 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0); 3749 itrace_parse_synth_opts(opt, "crewp", 0); 3750 symbol_conf.nanosecs = true; 3751 return 0; 3752 } 3753 3754 int cmd_script(int argc, const char **argv) 3755 { 3756 bool show_full_info = false; 3757 bool header = false; 3758 bool header_only = false; 3759 bool script_started = false; 3760 bool unsorted_dump = false; 3761 char *rec_script_path = NULL; 3762 char *rep_script_path = NULL; 3763 struct perf_session *session; 3764 struct itrace_synth_opts itrace_synth_opts = { 3765 .set = false, 3766 .default_no_sample = true, 3767 }; 3768 struct utsname uts; 3769 char *script_path = NULL; 3770 const char *dlfilter_file = NULL; 3771 const char **__argv; 3772 int i, j, err = 0; 3773 struct perf_script script = { 3774 .tool = { 3775 .sample = process_sample_event, 3776 .mmap = perf_event__process_mmap, 3777 .mmap2 = perf_event__process_mmap2, 3778 .comm = perf_event__process_comm, 3779 .namespaces = perf_event__process_namespaces, 3780 .cgroup = perf_event__process_cgroup, 3781 .exit = perf_event__process_exit, 3782 .fork = perf_event__process_fork, 3783 .attr = process_attr, 3784 .event_update = perf_event__process_event_update, 3785 .tracing_data = perf_event__process_tracing_data, 3786 .feature = process_feature_event, 3787 .build_id = perf_event__process_build_id, 3788 .id_index = perf_event__process_id_index, 3789 .auxtrace_info = perf_script__process_auxtrace_info, 3790 .auxtrace = perf_event__process_auxtrace, 3791 .auxtrace_error = perf_event__process_auxtrace_error, 3792 .stat = perf_event__process_stat_event, 3793 .stat_round = process_stat_round_event, 3794 .stat_config = process_stat_config_event, 3795 .thread_map = process_thread_map_event, 3796 .cpu_map = process_cpu_map_event, 3797 .throttle = process_throttle_event, 3798 .unthrottle = process_throttle_event, 3799 .ordered_events = true, 3800 .ordering_requires_timestamps = true, 3801 }, 3802 }; 3803 struct perf_data data = { 3804 .mode = PERF_DATA_MODE_READ, 3805 }; 3806 const struct option options[] = { 3807 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 3808 "dump raw trace in ASCII"), 3809 OPT_BOOLEAN(0, "dump-unsorted-raw-trace", &unsorted_dump, 3810 "dump unsorted raw trace in ASCII"), 3811 OPT_INCR('v', "verbose", &verbose, 3812 "be more verbose (show symbol address, etc)"), 3813 OPT_BOOLEAN('L', "Latency", &latency_format, 3814 "show latency attributes (irqs/preemption disabled, etc)"), 3815 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", 3816 list_available_scripts), 3817 OPT_CALLBACK_NOOPT(0, "list-dlfilters", NULL, NULL, "list available dlfilters", 3818 list_available_dlfilters), 3819 OPT_CALLBACK('s', "script", NULL, "name", 3820 "script file name (lang:script name, script name, or *)", 3821 parse_scriptname), 3822 OPT_STRING('g', "gen-script", &generate_script_lang, "lang", 3823 "generate perf-script.xx script in specified language"), 3824 OPT_STRING(0, "dlfilter", &dlfilter_file, "file", "filter .so file name"), 3825 OPT_CALLBACK(0, "dlarg", NULL, "argument", "filter argument", 3826 add_dlarg), 3827 OPT_STRING('i', "input", &input_name, "file", "input file name"), 3828 OPT_BOOLEAN('d', "debug-mode", &debug_mode, 3829 "do various checks like samples ordering and lost events"), 3830 OPT_BOOLEAN(0, "header", &header, "Show data header."), 3831 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."), 3832 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 3833 "file", "vmlinux pathname"), 3834 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 3835 "file", "kallsyms pathname"), 3836 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, 3837 "When printing symbols do not display call chain"), 3838 OPT_CALLBACK(0, "symfs", NULL, "directory", 3839 "Look for files with symbols relative to this directory", 3840 symbol__config_symfs), 3841 OPT_CALLBACK('F', "fields", NULL, "str", 3842 "comma separated output fields prepend with 'type:'. " 3843 "+field to add and -field to remove." 3844 "Valid types: hw,sw,trace,raw,synth. " 3845 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso," 3846 "addr,symoff,srcline,period,iregs,uregs,brstack," 3847 "brstacksym,flags,bpf-output,brstackinsn,brstackinsnlen,brstackoff," 3848 "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc,tod," 3849 "data_page_size,code_page_size,ins_lat", 3850 parse_output_fields), 3851 OPT_BOOLEAN('a', "all-cpus", &system_wide, 3852 "system-wide collection from all CPUs"), 3853 OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", 3854 "only consider symbols in these DSOs"), 3855 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 3856 "only consider these symbols"), 3857 OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range, 3858 "Use with -S to list traced records within address range"), 3859 OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL, 3860 "Decode instructions from itrace", parse_insn_trace), 3861 OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL, 3862 "Run xed disassembler on output", parse_xed), 3863 OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL, 3864 "Decode calls from from itrace", parse_call_trace), 3865 OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL, 3866 "Decode calls and returns from itrace", parse_callret_trace), 3867 OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]", 3868 "Only print symbols and callees with --call-trace/--call-ret-trace"), 3869 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]", 3870 "Stop display of callgraph at these symbols"), 3871 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), 3872 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 3873 "only display events for these comms"), 3874 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 3875 "only consider symbols in these pids"), 3876 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 3877 "only consider symbols in these tids"), 3878 OPT_UINTEGER(0, "max-stack", &scripting_max_stack, 3879 "Set the maximum stack depth when parsing the callchain, " 3880 "anything beyond the specified depth will be ignored. " 3881 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 3882 OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"), 3883 OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"), 3884 OPT_BOOLEAN('I', "show-info", &show_full_info, 3885 "display extended information from perf.data file"), 3886 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, 3887 "Show the path of [kernel.kallsyms]"), 3888 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, 3889 "Show the fork/comm/exit events"), 3890 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, 3891 "Show the mmap events"), 3892 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events, 3893 "Show context switch events (if recorded)"), 3894 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events, 3895 "Show namespace events (if recorded)"), 3896 OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events, 3897 "Show cgroup events (if recorded)"), 3898 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events, 3899 "Show lost events (if recorded)"), 3900 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events, 3901 "Show round events (if recorded)"), 3902 OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events, 3903 "Show bpf related events (if recorded)"), 3904 OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events, 3905 "Show text poke related events (if recorded)"), 3906 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump, 3907 "Dump trace output to files named by the monitored events"), 3908 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 3909 OPT_INTEGER(0, "max-blocks", &max_blocks, 3910 "Maximum number of code blocks to dump with brstackinsn"), 3911 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, 3912 "Use 9 decimal places when displaying time"), 3913 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 3914 "Instruction Tracing options\n" ITRACE_HELP, 3915 itrace_parse_synth_opts), 3916 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 3917 "Show full source file name path for source lines"), 3918 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 3919 "Enable symbol demangling"), 3920 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 3921 "Enable kernel symbol demangling"), 3922 OPT_STRING(0, "time", &script.time_str, "str", 3923 "Time span of interest (start,stop)"), 3924 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 3925 "Show inline function"), 3926 OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory", 3927 "guest mount directory under which every guest os" 3928 " instance has a subdir"), 3929 OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name, 3930 "file", "file saving guest os vmlinux"), 3931 OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms, 3932 "file", "file saving guest os /proc/kallsyms"), 3933 OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules, 3934 "file", "file saving guest os /proc/modules"), 3935 OPT_BOOLEAN(0, "guest-code", &symbol_conf.guest_code, 3936 "Guest code can be found in hypervisor process"), 3937 OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr, 3938 "Enable LBR callgraph stitching approach"), 3939 OPTS_EVSWITCH(&script.evswitch), 3940 OPT_END() 3941 }; 3942 const char * const script_subcommands[] = { "record", "report", NULL }; 3943 const char *script_usage[] = { 3944 "perf script [<options>]", 3945 "perf script [<options>] record <script> [<record-options>] <command>", 3946 "perf script [<options>] report <script> [script-args]", 3947 "perf script [<options>] <script> [<record-options>] <command>", 3948 "perf script [<options>] <top-script> [script-args]", 3949 NULL 3950 }; 3951 3952 perf_set_singlethreaded(); 3953 3954 setup_scripting(); 3955 3956 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage, 3957 PARSE_OPT_STOP_AT_NON_OPTION); 3958 3959 if (symbol_conf.guestmount || 3960 symbol_conf.default_guest_vmlinux_name || 3961 symbol_conf.default_guest_kallsyms || 3962 symbol_conf.default_guest_modules || 3963 symbol_conf.guest_code) { 3964 /* 3965 * Enable guest sample processing. 3966 */ 3967 perf_guest = true; 3968 } 3969 3970 data.path = input_name; 3971 data.force = symbol_conf.force; 3972 3973 if (unsorted_dump) { 3974 dump_trace = true; 3975 script.tool.ordered_events = false; 3976 } 3977 3978 if (symbol__validate_sym_arguments()) 3979 return -1; 3980 3981 if (argc > 1 && strlen(argv[0]) > 2 && strstarts("record", argv[0])) { 3982 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); 3983 if (!rec_script_path) 3984 return cmd_record(argc, argv); 3985 } 3986 3987 if (argc > 1 && strlen(argv[0]) > 2 && strstarts("report", argv[0])) { 3988 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); 3989 if (!rep_script_path) { 3990 fprintf(stderr, 3991 "Please specify a valid report script" 3992 "(see 'perf script -l' for listing)\n"); 3993 return -1; 3994 } 3995 } 3996 3997 if (reltime && deltatime) { 3998 fprintf(stderr, 3999 "reltime and deltatime - the two don't get along well. " 4000 "Please limit to --reltime or --deltatime.\n"); 4001 return -1; 4002 } 4003 4004 if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) && 4005 itrace_synth_opts.callchain_sz > scripting_max_stack) 4006 scripting_max_stack = itrace_synth_opts.callchain_sz; 4007 4008 /* make sure PERF_EXEC_PATH is set for scripts */ 4009 set_argv_exec_path(get_argv_exec_path()); 4010 4011 if (argc && !script_name && !rec_script_path && !rep_script_path) { 4012 int live_pipe[2]; 4013 int rep_args; 4014 pid_t pid; 4015 4016 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); 4017 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); 4018 4019 if (!rec_script_path && !rep_script_path) { 4020 script_name = find_script(argv[0]); 4021 if (script_name) { 4022 argc -= 1; 4023 argv += 1; 4024 goto script_found; 4025 } 4026 usage_with_options_msg(script_usage, options, 4027 "Couldn't find script `%s'\n\n See perf" 4028 " script -l for available scripts.\n", argv[0]); 4029 } 4030 4031 if (is_top_script(argv[0])) { 4032 rep_args = argc - 1; 4033 } else { 4034 int rec_args; 4035 4036 rep_args = has_required_arg(rep_script_path); 4037 rec_args = (argc - 1) - rep_args; 4038 if (rec_args < 0) { 4039 usage_with_options_msg(script_usage, options, 4040 "`%s' script requires options." 4041 "\n\n See perf script -l for available " 4042 "scripts and options.\n", argv[0]); 4043 } 4044 } 4045 4046 if (pipe(live_pipe) < 0) { 4047 perror("failed to create pipe"); 4048 return -1; 4049 } 4050 4051 pid = fork(); 4052 if (pid < 0) { 4053 perror("failed to fork"); 4054 return -1; 4055 } 4056 4057 if (!pid) { 4058 j = 0; 4059 4060 dup2(live_pipe[1], 1); 4061 close(live_pipe[0]); 4062 4063 if (is_top_script(argv[0])) { 4064 system_wide = true; 4065 } else if (!system_wide) { 4066 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { 4067 err = -1; 4068 goto out; 4069 } 4070 } 4071 4072 __argv = malloc((argc + 6) * sizeof(const char *)); 4073 if (!__argv) { 4074 pr_err("malloc failed\n"); 4075 err = -ENOMEM; 4076 goto out; 4077 } 4078 4079 __argv[j++] = "/bin/sh"; 4080 __argv[j++] = rec_script_path; 4081 if (system_wide) 4082 __argv[j++] = "-a"; 4083 __argv[j++] = "-q"; 4084 __argv[j++] = "-o"; 4085 __argv[j++] = "-"; 4086 for (i = rep_args + 1; i < argc; i++) 4087 __argv[j++] = argv[i]; 4088 __argv[j++] = NULL; 4089 4090 execvp("/bin/sh", (char **)__argv); 4091 free(__argv); 4092 exit(-1); 4093 } 4094 4095 dup2(live_pipe[0], 0); 4096 close(live_pipe[1]); 4097 4098 __argv = malloc((argc + 4) * sizeof(const char *)); 4099 if (!__argv) { 4100 pr_err("malloc failed\n"); 4101 err = -ENOMEM; 4102 goto out; 4103 } 4104 4105 j = 0; 4106 __argv[j++] = "/bin/sh"; 4107 __argv[j++] = rep_script_path; 4108 for (i = 1; i < rep_args + 1; i++) 4109 __argv[j++] = argv[i]; 4110 __argv[j++] = "-i"; 4111 __argv[j++] = "-"; 4112 __argv[j++] = NULL; 4113 4114 execvp("/bin/sh", (char **)__argv); 4115 free(__argv); 4116 exit(-1); 4117 } 4118 script_found: 4119 if (rec_script_path) 4120 script_path = rec_script_path; 4121 if (rep_script_path) 4122 script_path = rep_script_path; 4123 4124 if (script_path) { 4125 j = 0; 4126 4127 if (!rec_script_path) 4128 system_wide = false; 4129 else if (!system_wide) { 4130 if (have_cmd(argc - 1, &argv[1]) != 0) { 4131 err = -1; 4132 goto out; 4133 } 4134 } 4135 4136 __argv = malloc((argc + 2) * sizeof(const char *)); 4137 if (!__argv) { 4138 pr_err("malloc failed\n"); 4139 err = -ENOMEM; 4140 goto out; 4141 } 4142 4143 __argv[j++] = "/bin/sh"; 4144 __argv[j++] = script_path; 4145 if (system_wide) 4146 __argv[j++] = "-a"; 4147 for (i = 2; i < argc; i++) 4148 __argv[j++] = argv[i]; 4149 __argv[j++] = NULL; 4150 4151 execvp("/bin/sh", (char **)__argv); 4152 free(__argv); 4153 exit(-1); 4154 } 4155 4156 if (dlfilter_file) { 4157 dlfilter = dlfilter__new(dlfilter_file, dlargc, dlargv); 4158 if (!dlfilter) 4159 return -1; 4160 } 4161 4162 if (!script_name) { 4163 setup_pager(); 4164 use_browser = 0; 4165 } 4166 4167 session = perf_session__new(&data, &script.tool); 4168 if (IS_ERR(session)) 4169 return PTR_ERR(session); 4170 4171 if (header || header_only) { 4172 script.tool.show_feat_hdr = SHOW_FEAT_HEADER; 4173 perf_session__fprintf_info(session, stdout, show_full_info); 4174 if (header_only) 4175 goto out_delete; 4176 } 4177 if (show_full_info) 4178 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 4179 4180 if (symbol__init(&session->header.env) < 0) 4181 goto out_delete; 4182 4183 uname(&uts); 4184 if (data.is_pipe) { /* Assume pipe_mode indicates native_arch */ 4185 native_arch = true; 4186 } else if (session->header.env.arch) { 4187 if (!strcmp(uts.machine, session->header.env.arch)) 4188 native_arch = true; 4189 else if (!strcmp(uts.machine, "x86_64") && 4190 !strcmp(session->header.env.arch, "i386")) 4191 native_arch = true; 4192 } 4193 4194 script.session = session; 4195 script__setup_sample_type(&script); 4196 4197 if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) || 4198 symbol_conf.graph_function) 4199 itrace_synth_opts.thread_stack = true; 4200 4201 session->itrace_synth_opts = &itrace_synth_opts; 4202 4203 if (cpu_list) { 4204 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap); 4205 if (err < 0) 4206 goto out_delete; 4207 itrace_synth_opts.cpu_bitmap = cpu_bitmap; 4208 } 4209 4210 if (!no_callchain) 4211 symbol_conf.use_callchain = true; 4212 else 4213 symbol_conf.use_callchain = false; 4214 4215 if (session->tevent.pevent && 4216 tep_set_function_resolver(session->tevent.pevent, 4217 machine__resolve_kernel_addr, 4218 &session->machines.host) < 0) { 4219 pr_err("%s: failed to set libtraceevent function resolver\n", __func__); 4220 err = -1; 4221 goto out_delete; 4222 } 4223 4224 if (generate_script_lang) { 4225 struct stat perf_stat; 4226 int input; 4227 4228 if (output_set_by_user()) { 4229 fprintf(stderr, 4230 "custom fields not supported for generated scripts"); 4231 err = -EINVAL; 4232 goto out_delete; 4233 } 4234 4235 input = open(data.path, O_RDONLY); /* input_name */ 4236 if (input < 0) { 4237 err = -errno; 4238 perror("failed to open file"); 4239 goto out_delete; 4240 } 4241 4242 err = fstat(input, &perf_stat); 4243 if (err < 0) { 4244 perror("failed to stat file"); 4245 goto out_delete; 4246 } 4247 4248 if (!perf_stat.st_size) { 4249 fprintf(stderr, "zero-sized file, nothing to do!\n"); 4250 goto out_delete; 4251 } 4252 4253 scripting_ops = script_spec__lookup(generate_script_lang); 4254 if (!scripting_ops) { 4255 fprintf(stderr, "invalid language specifier"); 4256 err = -ENOENT; 4257 goto out_delete; 4258 } 4259 4260 err = scripting_ops->generate_script(session->tevent.pevent, 4261 "perf-script"); 4262 goto out_delete; 4263 } 4264 4265 err = dlfilter__start(dlfilter, session); 4266 if (err) 4267 goto out_delete; 4268 4269 if (script_name) { 4270 err = scripting_ops->start_script(script_name, argc, argv, session); 4271 if (err) 4272 goto out_delete; 4273 pr_debug("perf script started with script %s\n\n", script_name); 4274 script_started = true; 4275 } 4276 4277 4278 err = perf_session__check_output_opt(session); 4279 if (err < 0) 4280 goto out_delete; 4281 4282 if (script.time_str) { 4283 err = perf_time__parse_for_ranges_reltime(script.time_str, session, 4284 &script.ptime_range, 4285 &script.range_size, 4286 &script.range_num, 4287 reltime); 4288 if (err < 0) 4289 goto out_delete; 4290 4291 itrace_synth_opts__set_time_range(&itrace_synth_opts, 4292 script.ptime_range, 4293 script.range_num); 4294 } 4295 4296 err = evswitch__init(&script.evswitch, session->evlist, stderr); 4297 if (err) 4298 goto out_delete; 4299 4300 if (zstd_init(&(session->zstd_data), 0) < 0) 4301 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n"); 4302 4303 err = __cmd_script(&script); 4304 4305 flush_scripting(); 4306 4307 out_delete: 4308 if (script.ptime_range) { 4309 itrace_synth_opts__clear_time_range(&itrace_synth_opts); 4310 zfree(&script.ptime_range); 4311 } 4312 4313 zstd_fini(&(session->zstd_data)); 4314 evlist__free_stats(session->evlist); 4315 perf_session__delete(session); 4316 perf_script__exit(&script); 4317 4318 if (script_started) 4319 cleanup_scripting(); 4320 dlfilter__cleanup(dlfilter); 4321 free_dlarg(); 4322 out: 4323 return err; 4324 } 4325