1 // SPDX-License-Identifier: GPL-2.0 2 #include "builtin.h" 3 4 #include "util/counts.h" 5 #include "util/debug.h" 6 #include "util/dso.h" 7 #include <subcmd/exec-cmd.h> 8 #include "util/header.h" 9 #include <subcmd/parse-options.h> 10 #include "util/perf_regs.h" 11 #include "util/session.h" 12 #include "util/tool.h" 13 #include "util/map.h" 14 #include "util/srcline.h" 15 #include "util/symbol.h" 16 #include "util/thread.h" 17 #include "util/trace-event.h" 18 #include "util/evlist.h" 19 #include "util/evsel.h" 20 #include "util/evsel_fprintf.h" 21 #include "util/evswitch.h" 22 #include "util/sort.h" 23 #include "util/data.h" 24 #include "util/auxtrace.h" 25 #include "util/cpumap.h" 26 #include "util/thread_map.h" 27 #include "util/stat.h" 28 #include "util/color.h" 29 #include "util/string2.h" 30 #include "util/thread-stack.h" 31 #include "util/time-utils.h" 32 #include "util/path.h" 33 #include "ui/ui.h" 34 #include "print_binary.h" 35 #include "archinsn.h" 36 #include <linux/bitmap.h> 37 #include <linux/kernel.h> 38 #include <linux/stringify.h> 39 #include <linux/time64.h> 40 #include <linux/zalloc.h> 41 #include <sys/utsname.h> 42 #include "asm/bug.h" 43 #include "util/mem-events.h" 44 #include "util/dump-insn.h" 45 #include <dirent.h> 46 #include <errno.h> 47 #include <inttypes.h> 48 #include <signal.h> 49 #include <sys/param.h> 50 #include <sys/types.h> 51 #include <sys/stat.h> 52 #include <fcntl.h> 53 #include <unistd.h> 54 #include <subcmd/pager.h> 55 #include <perf/evlist.h> 56 #include <linux/err.h> 57 #include "util/record.h" 58 #include "util/util.h" 59 #include "perf.h" 60 61 #include <linux/ctype.h> 62 63 static char const *script_name; 64 static char const *generate_script_lang; 65 static bool reltime; 66 static u64 initial_time; 67 static bool debug_mode; 68 static u64 last_timestamp; 69 static u64 nr_unordered; 70 static bool no_callchain; 71 static bool latency_format; 72 static bool system_wide; 73 static bool print_flags; 74 static const char *cpu_list; 75 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); 76 static struct perf_stat_config stat_config; 77 static int max_blocks; 78 static bool native_arch; 79 80 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH; 81 82 enum perf_output_field { 83 PERF_OUTPUT_COMM = 1U << 0, 84 PERF_OUTPUT_TID = 1U << 1, 85 PERF_OUTPUT_PID = 1U << 2, 86 PERF_OUTPUT_TIME = 1U << 3, 87 PERF_OUTPUT_CPU = 1U << 4, 88 PERF_OUTPUT_EVNAME = 1U << 5, 89 PERF_OUTPUT_TRACE = 1U << 6, 90 PERF_OUTPUT_IP = 1U << 7, 91 PERF_OUTPUT_SYM = 1U << 8, 92 PERF_OUTPUT_DSO = 1U << 9, 93 PERF_OUTPUT_ADDR = 1U << 10, 94 PERF_OUTPUT_SYMOFFSET = 1U << 11, 95 PERF_OUTPUT_SRCLINE = 1U << 12, 96 PERF_OUTPUT_PERIOD = 1U << 13, 97 PERF_OUTPUT_IREGS = 1U << 14, 98 PERF_OUTPUT_BRSTACK = 1U << 15, 99 PERF_OUTPUT_BRSTACKSYM = 1U << 16, 100 PERF_OUTPUT_DATA_SRC = 1U << 17, 101 PERF_OUTPUT_WEIGHT = 1U << 18, 102 PERF_OUTPUT_BPF_OUTPUT = 1U << 19, 103 PERF_OUTPUT_CALLINDENT = 1U << 20, 104 PERF_OUTPUT_INSN = 1U << 21, 105 PERF_OUTPUT_INSNLEN = 1U << 22, 106 PERF_OUTPUT_BRSTACKINSN = 1U << 23, 107 PERF_OUTPUT_BRSTACKOFF = 1U << 24, 108 PERF_OUTPUT_SYNTH = 1U << 25, 109 PERF_OUTPUT_PHYS_ADDR = 1U << 26, 110 PERF_OUTPUT_UREGS = 1U << 27, 111 PERF_OUTPUT_METRIC = 1U << 28, 112 PERF_OUTPUT_MISC = 1U << 29, 113 PERF_OUTPUT_SRCCODE = 1U << 30, 114 PERF_OUTPUT_IPC = 1U << 31, 115 }; 116 117 struct output_option { 118 const char *str; 119 enum perf_output_field field; 120 } all_output_options[] = { 121 {.str = "comm", .field = PERF_OUTPUT_COMM}, 122 {.str = "tid", .field = PERF_OUTPUT_TID}, 123 {.str = "pid", .field = PERF_OUTPUT_PID}, 124 {.str = "time", .field = PERF_OUTPUT_TIME}, 125 {.str = "cpu", .field = PERF_OUTPUT_CPU}, 126 {.str = "event", .field = PERF_OUTPUT_EVNAME}, 127 {.str = "trace", .field = PERF_OUTPUT_TRACE}, 128 {.str = "ip", .field = PERF_OUTPUT_IP}, 129 {.str = "sym", .field = PERF_OUTPUT_SYM}, 130 {.str = "dso", .field = PERF_OUTPUT_DSO}, 131 {.str = "addr", .field = PERF_OUTPUT_ADDR}, 132 {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET}, 133 {.str = "srcline", .field = PERF_OUTPUT_SRCLINE}, 134 {.str = "period", .field = PERF_OUTPUT_PERIOD}, 135 {.str = "iregs", .field = PERF_OUTPUT_IREGS}, 136 {.str = "uregs", .field = PERF_OUTPUT_UREGS}, 137 {.str = "brstack", .field = PERF_OUTPUT_BRSTACK}, 138 {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM}, 139 {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC}, 140 {.str = "weight", .field = PERF_OUTPUT_WEIGHT}, 141 {.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT}, 142 {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT}, 143 {.str = "insn", .field = PERF_OUTPUT_INSN}, 144 {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN}, 145 {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN}, 146 {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF}, 147 {.str = "synth", .field = PERF_OUTPUT_SYNTH}, 148 {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR}, 149 {.str = "metric", .field = PERF_OUTPUT_METRIC}, 150 {.str = "misc", .field = PERF_OUTPUT_MISC}, 151 {.str = "srccode", .field = PERF_OUTPUT_SRCCODE}, 152 {.str = "ipc", .field = PERF_OUTPUT_IPC}, 153 }; 154 155 enum { 156 OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX, 157 OUTPUT_TYPE_MAX 158 }; 159 160 /* default set to maintain compatibility with current format */ 161 static struct { 162 bool user_set; 163 bool wildcard_set; 164 unsigned int print_ip_opts; 165 u64 fields; 166 u64 invalid_fields; 167 u64 user_set_fields; 168 } output[OUTPUT_TYPE_MAX] = { 169 170 [PERF_TYPE_HARDWARE] = { 171 .user_set = false, 172 173 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 174 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 175 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 176 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 177 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 178 179 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 180 }, 181 182 [PERF_TYPE_SOFTWARE] = { 183 .user_set = false, 184 185 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 186 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 187 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 188 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 189 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 190 PERF_OUTPUT_BPF_OUTPUT, 191 192 .invalid_fields = PERF_OUTPUT_TRACE, 193 }, 194 195 [PERF_TYPE_TRACEPOINT] = { 196 .user_set = false, 197 198 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 199 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 200 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE 201 }, 202 203 [PERF_TYPE_HW_CACHE] = { 204 .user_set = false, 205 206 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 207 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 208 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 209 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 210 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 211 212 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 213 }, 214 215 [PERF_TYPE_RAW] = { 216 .user_set = false, 217 218 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 219 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 220 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 221 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 222 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 223 PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC | 224 PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR, 225 226 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 227 }, 228 229 [PERF_TYPE_BREAKPOINT] = { 230 .user_set = false, 231 232 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 233 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 234 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 235 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 236 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 237 238 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 239 }, 240 241 [OUTPUT_TYPE_SYNTH] = { 242 .user_set = false, 243 244 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 245 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 246 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 247 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 248 PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH, 249 250 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 251 }, 252 }; 253 254 struct evsel_script { 255 char *filename; 256 FILE *fp; 257 u64 samples; 258 /* For metric output */ 259 u64 val; 260 int gnum; 261 }; 262 evsel_script(struct evsel * evsel)263 static inline struct evsel_script *evsel_script(struct evsel *evsel) 264 { 265 return (struct evsel_script *)evsel->priv; 266 } 267 perf_evsel_script__new(struct evsel * evsel,struct perf_data * data)268 static struct evsel_script *perf_evsel_script__new(struct evsel *evsel, 269 struct perf_data *data) 270 { 271 struct evsel_script *es = zalloc(sizeof(*es)); 272 273 if (es != NULL) { 274 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, perf_evsel__name(evsel)) < 0) 275 goto out_free; 276 es->fp = fopen(es->filename, "w"); 277 if (es->fp == NULL) 278 goto out_free_filename; 279 } 280 281 return es; 282 out_free_filename: 283 zfree(&es->filename); 284 out_free: 285 free(es); 286 return NULL; 287 } 288 perf_evsel_script__delete(struct evsel_script * es)289 static void perf_evsel_script__delete(struct evsel_script *es) 290 { 291 zfree(&es->filename); 292 fclose(es->fp); 293 es->fp = NULL; 294 free(es); 295 } 296 perf_evsel_script__fprintf(struct evsel_script * es,FILE * fp)297 static int perf_evsel_script__fprintf(struct evsel_script *es, FILE *fp) 298 { 299 struct stat st; 300 301 fstat(fileno(es->fp), &st); 302 return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n", 303 st.st_size / 1024.0 / 1024.0, es->filename, es->samples); 304 } 305 output_type(unsigned int type)306 static inline int output_type(unsigned int type) 307 { 308 switch (type) { 309 case PERF_TYPE_SYNTH: 310 return OUTPUT_TYPE_SYNTH; 311 default: 312 return type; 313 } 314 } 315 attr_type(unsigned int type)316 static inline unsigned int attr_type(unsigned int type) 317 { 318 switch (type) { 319 case OUTPUT_TYPE_SYNTH: 320 return PERF_TYPE_SYNTH; 321 default: 322 return type; 323 } 324 } 325 output_set_by_user(void)326 static bool output_set_by_user(void) 327 { 328 int j; 329 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 330 if (output[j].user_set) 331 return true; 332 } 333 return false; 334 } 335 output_field2str(enum perf_output_field field)336 static const char *output_field2str(enum perf_output_field field) 337 { 338 int i, imax = ARRAY_SIZE(all_output_options); 339 const char *str = ""; 340 341 for (i = 0; i < imax; ++i) { 342 if (all_output_options[i].field == field) { 343 str = all_output_options[i].str; 344 break; 345 } 346 } 347 return str; 348 } 349 350 #define PRINT_FIELD(x) (output[output_type(attr->type)].fields & PERF_OUTPUT_##x) 351 perf_evsel__do_check_stype(struct evsel * evsel,u64 sample_type,const char * sample_msg,enum perf_output_field field,bool allow_user_set)352 static int perf_evsel__do_check_stype(struct evsel *evsel, 353 u64 sample_type, const char *sample_msg, 354 enum perf_output_field field, 355 bool allow_user_set) 356 { 357 struct perf_event_attr *attr = &evsel->core.attr; 358 int type = output_type(attr->type); 359 const char *evname; 360 361 if (attr->sample_type & sample_type) 362 return 0; 363 364 if (output[type].user_set_fields & field) { 365 if (allow_user_set) 366 return 0; 367 evname = perf_evsel__name(evsel); 368 pr_err("Samples for '%s' event do not have %s attribute set. " 369 "Cannot print '%s' field.\n", 370 evname, sample_msg, output_field2str(field)); 371 return -1; 372 } 373 374 /* user did not ask for it explicitly so remove from the default list */ 375 output[type].fields &= ~field; 376 evname = perf_evsel__name(evsel); 377 pr_debug("Samples for '%s' event do not have %s attribute set. " 378 "Skipping '%s' field.\n", 379 evname, sample_msg, output_field2str(field)); 380 381 return 0; 382 } 383 perf_evsel__check_stype(struct evsel * evsel,u64 sample_type,const char * sample_msg,enum perf_output_field field)384 static int perf_evsel__check_stype(struct evsel *evsel, 385 u64 sample_type, const char *sample_msg, 386 enum perf_output_field field) 387 { 388 return perf_evsel__do_check_stype(evsel, sample_type, sample_msg, field, 389 false); 390 } 391 perf_evsel__check_attr(struct evsel * evsel,struct perf_session * session)392 static int perf_evsel__check_attr(struct evsel *evsel, 393 struct perf_session *session) 394 { 395 struct perf_event_attr *attr = &evsel->core.attr; 396 bool allow_user_set; 397 398 if (perf_header__has_feat(&session->header, HEADER_STAT)) 399 return 0; 400 401 allow_user_set = perf_header__has_feat(&session->header, 402 HEADER_AUXTRACE); 403 404 if (PRINT_FIELD(TRACE) && 405 !perf_session__has_traces(session, "record -R")) 406 return -EINVAL; 407 408 if (PRINT_FIELD(IP)) { 409 if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", 410 PERF_OUTPUT_IP)) 411 return -EINVAL; 412 } 413 414 if (PRINT_FIELD(ADDR) && 415 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", 416 PERF_OUTPUT_ADDR, allow_user_set)) 417 return -EINVAL; 418 419 if (PRINT_FIELD(DATA_SRC) && 420 perf_evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", 421 PERF_OUTPUT_DATA_SRC)) 422 return -EINVAL; 423 424 if (PRINT_FIELD(WEIGHT) && 425 perf_evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT", 426 PERF_OUTPUT_WEIGHT)) 427 return -EINVAL; 428 429 if (PRINT_FIELD(SYM) && 430 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 431 pr_err("Display of symbols requested but neither sample IP nor " 432 "sample address\navailable. Hence, no addresses to convert " 433 "to symbols.\n"); 434 return -EINVAL; 435 } 436 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) { 437 pr_err("Display of offsets requested but symbol is not" 438 "selected.\n"); 439 return -EINVAL; 440 } 441 if (PRINT_FIELD(DSO) && 442 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 443 pr_err("Display of DSO requested but no address to convert.\n"); 444 return -EINVAL; 445 } 446 if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) { 447 pr_err("Display of source line number requested but sample IP is not\n" 448 "selected. Hence, no address to lookup the source line number.\n"); 449 return -EINVAL; 450 } 451 if (PRINT_FIELD(BRSTACKINSN) && !allow_user_set && 452 !(perf_evlist__combined_branch_type(session->evlist) & 453 PERF_SAMPLE_BRANCH_ANY)) { 454 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n" 455 "Hint: run 'perf record -b ...'\n"); 456 return -EINVAL; 457 } 458 if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) && 459 perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", 460 PERF_OUTPUT_TID|PERF_OUTPUT_PID)) 461 return -EINVAL; 462 463 if (PRINT_FIELD(TIME) && 464 perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", 465 PERF_OUTPUT_TIME)) 466 return -EINVAL; 467 468 if (PRINT_FIELD(CPU) && 469 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", 470 PERF_OUTPUT_CPU, allow_user_set)) 471 return -EINVAL; 472 473 if (PRINT_FIELD(IREGS) && 474 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", 475 PERF_OUTPUT_IREGS)) 476 return -EINVAL; 477 478 if (PRINT_FIELD(UREGS) && 479 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", 480 PERF_OUTPUT_UREGS)) 481 return -EINVAL; 482 483 if (PRINT_FIELD(PHYS_ADDR) && 484 perf_evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", 485 PERF_OUTPUT_PHYS_ADDR)) 486 return -EINVAL; 487 488 return 0; 489 } 490 set_print_ip_opts(struct perf_event_attr * attr)491 static void set_print_ip_opts(struct perf_event_attr *attr) 492 { 493 unsigned int type = output_type(attr->type); 494 495 output[type].print_ip_opts = 0; 496 if (PRINT_FIELD(IP)) 497 output[type].print_ip_opts |= EVSEL__PRINT_IP; 498 499 if (PRINT_FIELD(SYM)) 500 output[type].print_ip_opts |= EVSEL__PRINT_SYM; 501 502 if (PRINT_FIELD(DSO)) 503 output[type].print_ip_opts |= EVSEL__PRINT_DSO; 504 505 if (PRINT_FIELD(SYMOFFSET)) 506 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET; 507 508 if (PRINT_FIELD(SRCLINE)) 509 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE; 510 } 511 512 /* 513 * verify all user requested events exist and the samples 514 * have the expected data 515 */ perf_session__check_output_opt(struct perf_session * session)516 static int perf_session__check_output_opt(struct perf_session *session) 517 { 518 unsigned int j; 519 struct evsel *evsel; 520 521 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 522 evsel = perf_session__find_first_evtype(session, attr_type(j)); 523 524 /* 525 * even if fields is set to 0 (ie., show nothing) event must 526 * exist if user explicitly includes it on the command line 527 */ 528 if (!evsel && output[j].user_set && !output[j].wildcard_set && 529 j != OUTPUT_TYPE_SYNTH) { 530 pr_err("%s events do not exist. " 531 "Remove corresponding -F option to proceed.\n", 532 event_type(j)); 533 return -1; 534 } 535 536 if (evsel && output[j].fields && 537 perf_evsel__check_attr(evsel, session)) 538 return -1; 539 540 if (evsel == NULL) 541 continue; 542 543 set_print_ip_opts(&evsel->core.attr); 544 } 545 546 if (!no_callchain) { 547 bool use_callchain = false; 548 bool not_pipe = false; 549 550 evlist__for_each_entry(session->evlist, evsel) { 551 not_pipe = true; 552 if (evsel__has_callchain(evsel)) { 553 use_callchain = true; 554 break; 555 } 556 } 557 if (not_pipe && !use_callchain) 558 symbol_conf.use_callchain = false; 559 } 560 561 /* 562 * set default for tracepoints to print symbols only 563 * if callchains are present 564 */ 565 if (symbol_conf.use_callchain && 566 !output[PERF_TYPE_TRACEPOINT].user_set) { 567 j = PERF_TYPE_TRACEPOINT; 568 569 evlist__for_each_entry(session->evlist, evsel) { 570 if (evsel->core.attr.type != j) 571 continue; 572 573 if (evsel__has_callchain(evsel)) { 574 output[j].fields |= PERF_OUTPUT_IP; 575 output[j].fields |= PERF_OUTPUT_SYM; 576 output[j].fields |= PERF_OUTPUT_SYMOFFSET; 577 output[j].fields |= PERF_OUTPUT_DSO; 578 set_print_ip_opts(&evsel->core.attr); 579 goto out; 580 } 581 } 582 } 583 584 out: 585 return 0; 586 } 587 perf_sample__fprintf_regs(struct regs_dump * regs,uint64_t mask,FILE * fp)588 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask, 589 FILE *fp 590 ) 591 { 592 unsigned i = 0, r; 593 int printed = 0; 594 595 if (!regs || !regs->regs) 596 return 0; 597 598 printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi); 599 600 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) { 601 u64 val = regs->regs[i++]; 602 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val); 603 } 604 605 fprintf(fp, "\n"); 606 607 return printed; 608 } 609 perf_sample__fprintf_iregs(struct perf_sample * sample,struct perf_event_attr * attr,FILE * fp)610 static int perf_sample__fprintf_iregs(struct perf_sample *sample, 611 struct perf_event_attr *attr, FILE *fp) 612 { 613 return perf_sample__fprintf_regs(&sample->intr_regs, 614 attr->sample_regs_intr, fp); 615 } 616 perf_sample__fprintf_uregs(struct perf_sample * sample,struct perf_event_attr * attr,FILE * fp)617 static int perf_sample__fprintf_uregs(struct perf_sample *sample, 618 struct perf_event_attr *attr, FILE *fp) 619 { 620 return perf_sample__fprintf_regs(&sample->user_regs, 621 attr->sample_regs_user, fp); 622 } 623 perf_sample__fprintf_start(struct perf_sample * sample,struct thread * thread,struct evsel * evsel,u32 type,FILE * fp)624 static int perf_sample__fprintf_start(struct perf_sample *sample, 625 struct thread *thread, 626 struct evsel *evsel, 627 u32 type, FILE *fp) 628 { 629 struct perf_event_attr *attr = &evsel->core.attr; 630 unsigned long secs; 631 unsigned long long nsecs; 632 int printed = 0; 633 634 if (PRINT_FIELD(COMM)) { 635 if (latency_format) 636 printed += fprintf(fp, "%8.8s ", thread__comm_str(thread)); 637 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain) 638 printed += fprintf(fp, "%s ", thread__comm_str(thread)); 639 else 640 printed += fprintf(fp, "%16s ", thread__comm_str(thread)); 641 } 642 643 if (PRINT_FIELD(PID) && PRINT_FIELD(TID)) 644 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid); 645 else if (PRINT_FIELD(PID)) 646 printed += fprintf(fp, "%5d ", sample->pid); 647 else if (PRINT_FIELD(TID)) 648 printed += fprintf(fp, "%5d ", sample->tid); 649 650 if (PRINT_FIELD(CPU)) { 651 if (latency_format) 652 printed += fprintf(fp, "%3d ", sample->cpu); 653 else 654 printed += fprintf(fp, "[%03d] ", sample->cpu); 655 } 656 657 if (PRINT_FIELD(MISC)) { 658 int ret = 0; 659 660 #define has(m) \ 661 (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m 662 663 if (has(KERNEL)) 664 ret += fprintf(fp, "K"); 665 if (has(USER)) 666 ret += fprintf(fp, "U"); 667 if (has(HYPERVISOR)) 668 ret += fprintf(fp, "H"); 669 if (has(GUEST_KERNEL)) 670 ret += fprintf(fp, "G"); 671 if (has(GUEST_USER)) 672 ret += fprintf(fp, "g"); 673 674 switch (type) { 675 case PERF_RECORD_MMAP: 676 case PERF_RECORD_MMAP2: 677 if (has(MMAP_DATA)) 678 ret += fprintf(fp, "M"); 679 break; 680 case PERF_RECORD_COMM: 681 if (has(COMM_EXEC)) 682 ret += fprintf(fp, "E"); 683 break; 684 case PERF_RECORD_SWITCH: 685 case PERF_RECORD_SWITCH_CPU_WIDE: 686 if (has(SWITCH_OUT)) { 687 ret += fprintf(fp, "S"); 688 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT) 689 ret += fprintf(fp, "p"); 690 } 691 default: 692 break; 693 } 694 695 #undef has 696 697 ret += fprintf(fp, "%*s", 6 - ret, " "); 698 printed += ret; 699 } 700 701 if (PRINT_FIELD(TIME)) { 702 u64 t = sample->time; 703 if (reltime) { 704 if (!initial_time) 705 initial_time = sample->time; 706 t = sample->time - initial_time; 707 } 708 nsecs = t; 709 secs = nsecs / NSEC_PER_SEC; 710 nsecs -= secs * NSEC_PER_SEC; 711 712 if (symbol_conf.nanosecs) 713 printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs); 714 else { 715 char sample_time[32]; 716 timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time)); 717 printed += fprintf(fp, "%12s: ", sample_time); 718 } 719 } 720 721 return printed; 722 } 723 724 static inline char mispred_str(struct branch_entry * br)725 mispred_str(struct branch_entry *br) 726 { 727 if (!(br->flags.mispred || br->flags.predicted)) 728 return '-'; 729 730 return br->flags.predicted ? 'P' : 'M'; 731 } 732 perf_sample__fprintf_brstack(struct perf_sample * sample,struct thread * thread,struct perf_event_attr * attr,FILE * fp)733 static int perf_sample__fprintf_brstack(struct perf_sample *sample, 734 struct thread *thread, 735 struct perf_event_attr *attr, FILE *fp) 736 { 737 struct branch_stack *br = sample->branch_stack; 738 struct addr_location alf, alt; 739 u64 i, from, to; 740 int printed = 0; 741 742 if (!(br && br->nr)) 743 return 0; 744 745 for (i = 0; i < br->nr; i++) { 746 from = br->entries[i].from; 747 to = br->entries[i].to; 748 749 if (PRINT_FIELD(DSO)) { 750 memset(&alf, 0, sizeof(alf)); 751 memset(&alt, 0, sizeof(alt)); 752 thread__find_map_fb(thread, sample->cpumode, from, &alf); 753 thread__find_map_fb(thread, sample->cpumode, to, &alt); 754 } 755 756 printed += fprintf(fp, " 0x%"PRIx64, from); 757 if (PRINT_FIELD(DSO)) { 758 printed += fprintf(fp, "("); 759 printed += map__fprintf_dsoname(alf.map, fp); 760 printed += fprintf(fp, ")"); 761 } 762 763 printed += fprintf(fp, "/0x%"PRIx64, to); 764 if (PRINT_FIELD(DSO)) { 765 printed += fprintf(fp, "("); 766 printed += map__fprintf_dsoname(alt.map, fp); 767 printed += fprintf(fp, ")"); 768 } 769 770 printed += fprintf(fp, "/%c/%c/%c/%d ", 771 mispred_str( br->entries + i), 772 br->entries[i].flags.in_tx? 'X' : '-', 773 br->entries[i].flags.abort? 'A' : '-', 774 br->entries[i].flags.cycles); 775 } 776 777 return printed; 778 } 779 perf_sample__fprintf_brstacksym(struct perf_sample * sample,struct thread * thread,struct perf_event_attr * attr,FILE * fp)780 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample, 781 struct thread *thread, 782 struct perf_event_attr *attr, FILE *fp) 783 { 784 struct branch_stack *br = sample->branch_stack; 785 struct addr_location alf, alt; 786 u64 i, from, to; 787 int printed = 0; 788 789 if (!(br && br->nr)) 790 return 0; 791 792 for (i = 0; i < br->nr; i++) { 793 794 memset(&alf, 0, sizeof(alf)); 795 memset(&alt, 0, sizeof(alt)); 796 from = br->entries[i].from; 797 to = br->entries[i].to; 798 799 thread__find_symbol_fb(thread, sample->cpumode, from, &alf); 800 thread__find_symbol_fb(thread, sample->cpumode, to, &alt); 801 802 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp); 803 if (PRINT_FIELD(DSO)) { 804 printed += fprintf(fp, "("); 805 printed += map__fprintf_dsoname(alf.map, fp); 806 printed += fprintf(fp, ")"); 807 } 808 printed += fprintf(fp, "%c", '/'); 809 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp); 810 if (PRINT_FIELD(DSO)) { 811 printed += fprintf(fp, "("); 812 printed += map__fprintf_dsoname(alt.map, fp); 813 printed += fprintf(fp, ")"); 814 } 815 printed += fprintf(fp, "/%c/%c/%c/%d ", 816 mispred_str( br->entries + i), 817 br->entries[i].flags.in_tx? 'X' : '-', 818 br->entries[i].flags.abort? 'A' : '-', 819 br->entries[i].flags.cycles); 820 } 821 822 return printed; 823 } 824 perf_sample__fprintf_brstackoff(struct perf_sample * sample,struct thread * thread,struct perf_event_attr * attr,FILE * fp)825 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample, 826 struct thread *thread, 827 struct perf_event_attr *attr, FILE *fp) 828 { 829 struct branch_stack *br = sample->branch_stack; 830 struct addr_location alf, alt; 831 u64 i, from, to; 832 int printed = 0; 833 834 if (!(br && br->nr)) 835 return 0; 836 837 for (i = 0; i < br->nr; i++) { 838 839 memset(&alf, 0, sizeof(alf)); 840 memset(&alt, 0, sizeof(alt)); 841 from = br->entries[i].from; 842 to = br->entries[i].to; 843 844 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) && 845 !alf.map->dso->adjust_symbols) 846 from = map__map_ip(alf.map, from); 847 848 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) && 849 !alt.map->dso->adjust_symbols) 850 to = map__map_ip(alt.map, to); 851 852 printed += fprintf(fp, " 0x%"PRIx64, from); 853 if (PRINT_FIELD(DSO)) { 854 printed += fprintf(fp, "("); 855 printed += map__fprintf_dsoname(alf.map, fp); 856 printed += fprintf(fp, ")"); 857 } 858 printed += fprintf(fp, "/0x%"PRIx64, to); 859 if (PRINT_FIELD(DSO)) { 860 printed += fprintf(fp, "("); 861 printed += map__fprintf_dsoname(alt.map, fp); 862 printed += fprintf(fp, ")"); 863 } 864 printed += fprintf(fp, "/%c/%c/%c/%d ", 865 mispred_str(br->entries + i), 866 br->entries[i].flags.in_tx ? 'X' : '-', 867 br->entries[i].flags.abort ? 'A' : '-', 868 br->entries[i].flags.cycles); 869 } 870 871 return printed; 872 } 873 #define MAXBB 16384UL 874 grab_bb(u8 * buffer,u64 start,u64 end,struct machine * machine,struct thread * thread,bool * is64bit,u8 * cpumode,bool last)875 static int grab_bb(u8 *buffer, u64 start, u64 end, 876 struct machine *machine, struct thread *thread, 877 bool *is64bit, u8 *cpumode, bool last) 878 { 879 long offset, len; 880 struct addr_location al; 881 bool kernel; 882 883 if (!start || !end) 884 return 0; 885 886 kernel = machine__kernel_ip(machine, start); 887 if (kernel) 888 *cpumode = PERF_RECORD_MISC_KERNEL; 889 else 890 *cpumode = PERF_RECORD_MISC_USER; 891 892 /* 893 * Block overlaps between kernel and user. 894 * This can happen due to ring filtering 895 * On Intel CPUs the entry into the kernel is filtered, 896 * but the exit is not. Let the caller patch it up. 897 */ 898 if (kernel != machine__kernel_ip(machine, end)) { 899 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end); 900 return -ENXIO; 901 } 902 903 memset(&al, 0, sizeof(al)); 904 if (end - start > MAXBB - MAXINSN) { 905 if (last) 906 pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end); 907 else 908 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start); 909 return 0; 910 } 911 912 if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) { 913 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 914 return 0; 915 } 916 if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) { 917 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 918 return 0; 919 } 920 921 /* Load maps to ensure dso->is_64_bit has been updated */ 922 map__load(al.map); 923 924 offset = al.map->map_ip(al.map, start); 925 len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer, 926 end - start + MAXINSN); 927 928 *is64bit = al.map->dso->is_64_bit; 929 if (len <= 0) 930 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n", 931 start, end); 932 return len; 933 } 934 print_srccode(struct thread * thread,u8 cpumode,uint64_t addr)935 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr) 936 { 937 struct addr_location al; 938 int ret = 0; 939 940 memset(&al, 0, sizeof(al)); 941 thread__find_map(thread, cpumode, addr, &al); 942 if (!al.map) 943 return 0; 944 ret = map__fprintf_srccode(al.map, al.addr, stdout, 945 &thread->srccode_state); 946 if (ret) 947 ret += printf("\n"); 948 return ret; 949 } 950 ip__fprintf_jump(uint64_t ip,struct branch_entry * en,struct perf_insn * x,u8 * inbuf,int len,int insn,FILE * fp,int * total_cycles)951 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en, 952 struct perf_insn *x, u8 *inbuf, int len, 953 int insn, FILE *fp, int *total_cycles) 954 { 955 int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip, 956 dump_insn(x, ip, inbuf, len, NULL), 957 en->flags.predicted ? " PRED" : "", 958 en->flags.mispred ? " MISPRED" : "", 959 en->flags.in_tx ? " INTX" : "", 960 en->flags.abort ? " ABORT" : ""); 961 if (en->flags.cycles) { 962 *total_cycles += en->flags.cycles; 963 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles); 964 if (insn) 965 printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles); 966 } 967 return printed + fprintf(fp, "\n"); 968 } 969 ip__fprintf_sym(uint64_t addr,struct thread * thread,u8 cpumode,int cpu,struct symbol ** lastsym,struct perf_event_attr * attr,FILE * fp)970 static int ip__fprintf_sym(uint64_t addr, struct thread *thread, 971 u8 cpumode, int cpu, struct symbol **lastsym, 972 struct perf_event_attr *attr, FILE *fp) 973 { 974 struct addr_location al; 975 int off, printed = 0; 976 977 memset(&al, 0, sizeof(al)); 978 979 thread__find_map(thread, cpumode, addr, &al); 980 981 if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end) 982 return 0; 983 984 al.cpu = cpu; 985 al.sym = NULL; 986 if (al.map) 987 al.sym = map__find_symbol(al.map, al.addr); 988 989 if (!al.sym) 990 return 0; 991 992 if (al.addr < al.sym->end) 993 off = al.addr - al.sym->start; 994 else 995 off = al.addr - al.map->start - al.sym->start; 996 printed += fprintf(fp, "\t%s", al.sym->name); 997 if (off) 998 printed += fprintf(fp, "%+d", off); 999 printed += fprintf(fp, ":"); 1000 if (PRINT_FIELD(SRCLINE)) 1001 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp); 1002 printed += fprintf(fp, "\n"); 1003 *lastsym = al.sym; 1004 1005 return printed; 1006 } 1007 perf_sample__fprintf_brstackinsn(struct perf_sample * sample,struct thread * thread,struct perf_event_attr * attr,struct machine * machine,FILE * fp)1008 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample, 1009 struct thread *thread, 1010 struct perf_event_attr *attr, 1011 struct machine *machine, FILE *fp) 1012 { 1013 struct branch_stack *br = sample->branch_stack; 1014 u64 start, end; 1015 int i, insn, len, nr, ilen, printed = 0; 1016 struct perf_insn x; 1017 u8 buffer[MAXBB]; 1018 unsigned off; 1019 struct symbol *lastsym = NULL; 1020 int total_cycles = 0; 1021 1022 if (!(br && br->nr)) 1023 return 0; 1024 nr = br->nr; 1025 if (max_blocks && nr > max_blocks + 1) 1026 nr = max_blocks + 1; 1027 1028 x.thread = thread; 1029 x.cpu = sample->cpu; 1030 1031 printed += fprintf(fp, "%c", '\n'); 1032 1033 /* Handle first from jump, of which we don't know the entry. */ 1034 len = grab_bb(buffer, br->entries[nr-1].from, 1035 br->entries[nr-1].from, 1036 machine, thread, &x.is64bit, &x.cpumode, false); 1037 if (len > 0) { 1038 printed += ip__fprintf_sym(br->entries[nr - 1].from, thread, 1039 x.cpumode, x.cpu, &lastsym, attr, fp); 1040 printed += ip__fprintf_jump(br->entries[nr - 1].from, &br->entries[nr - 1], 1041 &x, buffer, len, 0, fp, &total_cycles); 1042 if (PRINT_FIELD(SRCCODE)) 1043 printed += print_srccode(thread, x.cpumode, br->entries[nr - 1].from); 1044 } 1045 1046 /* Print all blocks */ 1047 for (i = nr - 2; i >= 0; i--) { 1048 if (br->entries[i].from || br->entries[i].to) 1049 pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i, 1050 br->entries[i].from, 1051 br->entries[i].to); 1052 start = br->entries[i + 1].to; 1053 end = br->entries[i].from; 1054 1055 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1056 /* Patch up missing kernel transfers due to ring filters */ 1057 if (len == -ENXIO && i > 0) { 1058 end = br->entries[--i].from; 1059 pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end); 1060 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1061 } 1062 if (len <= 0) 1063 continue; 1064 1065 insn = 0; 1066 for (off = 0; off < (unsigned)len; off += ilen) { 1067 uint64_t ip = start + off; 1068 1069 printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1070 if (ip == end) { 1071 printed += ip__fprintf_jump(ip, &br->entries[i], &x, buffer + off, len - off, ++insn, fp, 1072 &total_cycles); 1073 if (PRINT_FIELD(SRCCODE)) 1074 printed += print_srccode(thread, x.cpumode, ip); 1075 break; 1076 } else { 1077 ilen = 0; 1078 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip, 1079 dump_insn(&x, ip, buffer + off, len - off, &ilen)); 1080 if (ilen == 0) 1081 break; 1082 if (PRINT_FIELD(SRCCODE)) 1083 print_srccode(thread, x.cpumode, ip); 1084 insn++; 1085 } 1086 } 1087 if (off != end - start) 1088 printed += fprintf(fp, "\tmismatch of LBR data and executable\n"); 1089 } 1090 1091 /* 1092 * Hit the branch? In this case we are already done, and the target 1093 * has not been executed yet. 1094 */ 1095 if (br->entries[0].from == sample->ip) 1096 goto out; 1097 if (br->entries[0].flags.abort) 1098 goto out; 1099 1100 /* 1101 * Print final block upto sample 1102 * 1103 * Due to pipeline delays the LBRs might be missing a branch 1104 * or two, which can result in very large or negative blocks 1105 * between final branch and sample. When this happens just 1106 * continue walking after the last TO until we hit a branch. 1107 */ 1108 start = br->entries[0].to; 1109 end = sample->ip; 1110 if (end < start) { 1111 /* Missing jump. Scan 128 bytes for the next branch */ 1112 end = start + 128; 1113 } 1114 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true); 1115 printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1116 if (len <= 0) { 1117 /* Print at least last IP if basic block did not work */ 1118 len = grab_bb(buffer, sample->ip, sample->ip, 1119 machine, thread, &x.is64bit, &x.cpumode, false); 1120 if (len <= 0) 1121 goto out; 1122 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip, 1123 dump_insn(&x, sample->ip, buffer, len, NULL)); 1124 if (PRINT_FIELD(SRCCODE)) 1125 print_srccode(thread, x.cpumode, sample->ip); 1126 goto out; 1127 } 1128 for (off = 0; off <= end - start; off += ilen) { 1129 ilen = 0; 1130 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off, 1131 dump_insn(&x, start + off, buffer + off, len - off, &ilen)); 1132 if (ilen == 0) 1133 break; 1134 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) { 1135 /* 1136 * Hit a missing branch. Just stop. 1137 */ 1138 printed += fprintf(fp, "\t... not reaching sample ...\n"); 1139 break; 1140 } 1141 if (PRINT_FIELD(SRCCODE)) 1142 print_srccode(thread, x.cpumode, start + off); 1143 } 1144 out: 1145 return printed; 1146 } 1147 perf_sample__fprintf_addr(struct perf_sample * sample,struct thread * thread,struct perf_event_attr * attr,FILE * fp)1148 static int perf_sample__fprintf_addr(struct perf_sample *sample, 1149 struct thread *thread, 1150 struct perf_event_attr *attr, FILE *fp) 1151 { 1152 struct addr_location al; 1153 int printed = fprintf(fp, "%16" PRIx64, sample->addr); 1154 1155 if (!sample_addr_correlates_sym(attr)) 1156 goto out; 1157 1158 thread__resolve(thread, &al, sample); 1159 1160 if (PRINT_FIELD(SYM)) { 1161 printed += fprintf(fp, " "); 1162 if (PRINT_FIELD(SYMOFFSET)) 1163 printed += symbol__fprintf_symname_offs(al.sym, &al, fp); 1164 else 1165 printed += symbol__fprintf_symname(al.sym, fp); 1166 } 1167 1168 if (PRINT_FIELD(DSO)) { 1169 printed += fprintf(fp, " ("); 1170 printed += map__fprintf_dsoname(al.map, fp); 1171 printed += fprintf(fp, ")"); 1172 } 1173 out: 1174 return printed; 1175 } 1176 resolve_branch_sym(struct perf_sample * sample,struct evsel * evsel,struct thread * thread,struct addr_location * al,u64 * ip)1177 static const char *resolve_branch_sym(struct perf_sample *sample, 1178 struct evsel *evsel, 1179 struct thread *thread, 1180 struct addr_location *al, 1181 u64 *ip) 1182 { 1183 struct addr_location addr_al; 1184 struct perf_event_attr *attr = &evsel->core.attr; 1185 const char *name = NULL; 1186 1187 if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) { 1188 if (sample_addr_correlates_sym(attr)) { 1189 thread__resolve(thread, &addr_al, sample); 1190 if (addr_al.sym) 1191 name = addr_al.sym->name; 1192 else 1193 *ip = sample->addr; 1194 } else { 1195 *ip = sample->addr; 1196 } 1197 } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) { 1198 if (al->sym) 1199 name = al->sym->name; 1200 else 1201 *ip = sample->ip; 1202 } 1203 return name; 1204 } 1205 perf_sample__fprintf_callindent(struct perf_sample * sample,struct evsel * evsel,struct thread * thread,struct addr_location * al,FILE * fp)1206 static int perf_sample__fprintf_callindent(struct perf_sample *sample, 1207 struct evsel *evsel, 1208 struct thread *thread, 1209 struct addr_location *al, FILE *fp) 1210 { 1211 struct perf_event_attr *attr = &evsel->core.attr; 1212 size_t depth = thread_stack__depth(thread, sample->cpu); 1213 const char *name = NULL; 1214 static int spacing; 1215 int len = 0; 1216 int dlen = 0; 1217 u64 ip = 0; 1218 1219 /* 1220 * The 'return' has already been popped off the stack so the depth has 1221 * to be adjusted to match the 'call'. 1222 */ 1223 if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN) 1224 depth += 1; 1225 1226 name = resolve_branch_sym(sample, evsel, thread, al, &ip); 1227 1228 if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) { 1229 dlen += fprintf(fp, "("); 1230 dlen += map__fprintf_dsoname(al->map, fp); 1231 dlen += fprintf(fp, ")\t"); 1232 } 1233 1234 if (name) 1235 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name); 1236 else if (ip) 1237 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip); 1238 1239 if (len < 0) 1240 return len; 1241 1242 /* 1243 * Try to keep the output length from changing frequently so that the 1244 * output lines up more nicely. 1245 */ 1246 if (len > spacing || (len && len < spacing - 52)) 1247 spacing = round_up(len + 4, 32); 1248 1249 if (len < spacing) 1250 len += fprintf(fp, "%*s", spacing - len, ""); 1251 1252 return len + dlen; 1253 } 1254 arch_fetch_insn(struct perf_sample * sample __maybe_unused,struct thread * thread __maybe_unused,struct machine * machine __maybe_unused)1255 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused, 1256 struct thread *thread __maybe_unused, 1257 struct machine *machine __maybe_unused) 1258 { 1259 } 1260 perf_sample__fprintf_insn(struct perf_sample * sample,struct perf_event_attr * attr,struct thread * thread,struct machine * machine,FILE * fp)1261 static int perf_sample__fprintf_insn(struct perf_sample *sample, 1262 struct perf_event_attr *attr, 1263 struct thread *thread, 1264 struct machine *machine, FILE *fp) 1265 { 1266 int printed = 0; 1267 1268 if (sample->insn_len == 0 && native_arch) 1269 arch_fetch_insn(sample, thread, machine); 1270 1271 if (PRINT_FIELD(INSNLEN)) 1272 printed += fprintf(fp, " ilen: %d", sample->insn_len); 1273 if (PRINT_FIELD(INSN) && sample->insn_len) { 1274 int i; 1275 1276 printed += fprintf(fp, " insn:"); 1277 for (i = 0; i < sample->insn_len; i++) 1278 printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]); 1279 } 1280 if (PRINT_FIELD(BRSTACKINSN)) 1281 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp); 1282 1283 return printed; 1284 } 1285 perf_sample__fprintf_ipc(struct perf_sample * sample,struct perf_event_attr * attr,FILE * fp)1286 static int perf_sample__fprintf_ipc(struct perf_sample *sample, 1287 struct perf_event_attr *attr, FILE *fp) 1288 { 1289 unsigned int ipc; 1290 1291 if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt) 1292 return 0; 1293 1294 ipc = (sample->insn_cnt * 100) / sample->cyc_cnt; 1295 1296 return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ", 1297 ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt); 1298 } 1299 perf_sample__fprintf_bts(struct perf_sample * sample,struct evsel * evsel,struct thread * thread,struct addr_location * al,struct machine * machine,FILE * fp)1300 static int perf_sample__fprintf_bts(struct perf_sample *sample, 1301 struct evsel *evsel, 1302 struct thread *thread, 1303 struct addr_location *al, 1304 struct machine *machine, FILE *fp) 1305 { 1306 struct perf_event_attr *attr = &evsel->core.attr; 1307 unsigned int type = output_type(attr->type); 1308 bool print_srcline_last = false; 1309 int printed = 0; 1310 1311 if (PRINT_FIELD(CALLINDENT)) 1312 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp); 1313 1314 /* print branch_from information */ 1315 if (PRINT_FIELD(IP)) { 1316 unsigned int print_opts = output[type].print_ip_opts; 1317 struct callchain_cursor *cursor = NULL; 1318 1319 if (symbol_conf.use_callchain && sample->callchain && 1320 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 1321 sample, NULL, NULL, scripting_max_stack) == 0) 1322 cursor = &callchain_cursor; 1323 1324 if (cursor == NULL) { 1325 printed += fprintf(fp, " "); 1326 if (print_opts & EVSEL__PRINT_SRCLINE) { 1327 print_srcline_last = true; 1328 print_opts &= ~EVSEL__PRINT_SRCLINE; 1329 } 1330 } else 1331 printed += fprintf(fp, "\n"); 1332 1333 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, 1334 symbol_conf.bt_stop_list, fp); 1335 } 1336 1337 /* print branch_to information */ 1338 if (PRINT_FIELD(ADDR) || 1339 ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 1340 !output[type].user_set)) { 1341 printed += fprintf(fp, " => "); 1342 printed += perf_sample__fprintf_addr(sample, thread, attr, fp); 1343 } 1344 1345 printed += perf_sample__fprintf_ipc(sample, attr, fp); 1346 1347 if (print_srcline_last) 1348 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp); 1349 1350 printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 1351 printed += fprintf(fp, "\n"); 1352 if (PRINT_FIELD(SRCCODE)) { 1353 int ret = map__fprintf_srccode(al->map, al->addr, stdout, 1354 &thread->srccode_state); 1355 if (ret) { 1356 printed += ret; 1357 printed += printf("\n"); 1358 } 1359 } 1360 return printed; 1361 } 1362 1363 static struct { 1364 u32 flags; 1365 const char *name; 1366 } sample_flags[] = { 1367 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"}, 1368 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"}, 1369 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"}, 1370 {PERF_IP_FLAG_BRANCH, "jmp"}, 1371 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"}, 1372 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"}, 1373 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"}, 1374 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"}, 1375 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"}, 1376 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"}, 1377 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"}, 1378 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"}, 1379 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"}, 1380 {0, NULL} 1381 }; 1382 sample_flags_to_name(u32 flags)1383 static const char *sample_flags_to_name(u32 flags) 1384 { 1385 int i; 1386 1387 for (i = 0; sample_flags[i].name ; i++) { 1388 if (sample_flags[i].flags == flags) 1389 return sample_flags[i].name; 1390 } 1391 1392 return NULL; 1393 } 1394 perf_sample__fprintf_flags(u32 flags,FILE * fp)1395 static int perf_sample__fprintf_flags(u32 flags, FILE *fp) 1396 { 1397 const char *chars = PERF_IP_FLAG_CHARS; 1398 const int n = strlen(PERF_IP_FLAG_CHARS); 1399 bool in_tx = flags & PERF_IP_FLAG_IN_TX; 1400 const char *name = NULL; 1401 char str[33]; 1402 int i, pos = 0; 1403 1404 name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX); 1405 if (name) 1406 return fprintf(fp, " %-15s%4s ", name, in_tx ? "(x)" : ""); 1407 1408 if (flags & PERF_IP_FLAG_TRACE_BEGIN) { 1409 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN)); 1410 if (name) 1411 return fprintf(fp, " tr strt %-7s%4s ", name, in_tx ? "(x)" : ""); 1412 } 1413 1414 if (flags & PERF_IP_FLAG_TRACE_END) { 1415 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END)); 1416 if (name) 1417 return fprintf(fp, " tr end %-7s%4s ", name, in_tx ? "(x)" : ""); 1418 } 1419 1420 for (i = 0; i < n; i++, flags >>= 1) { 1421 if (flags & 1) 1422 str[pos++] = chars[i]; 1423 } 1424 for (; i < 32; i++, flags >>= 1) { 1425 if (flags & 1) 1426 str[pos++] = '?'; 1427 } 1428 str[pos] = 0; 1429 1430 return fprintf(fp, " %-19s ", str); 1431 } 1432 1433 struct printer_data { 1434 int line_no; 1435 bool hit_nul; 1436 bool is_printable; 1437 }; 1438 sample__fprintf_bpf_output(enum binary_printer_ops op,unsigned int val,void * extra,FILE * fp)1439 static int sample__fprintf_bpf_output(enum binary_printer_ops op, 1440 unsigned int val, 1441 void *extra, FILE *fp) 1442 { 1443 unsigned char ch = (unsigned char)val; 1444 struct printer_data *printer_data = extra; 1445 int printed = 0; 1446 1447 switch (op) { 1448 case BINARY_PRINT_DATA_BEGIN: 1449 printed += fprintf(fp, "\n"); 1450 break; 1451 case BINARY_PRINT_LINE_BEGIN: 1452 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" : 1453 " "); 1454 break; 1455 case BINARY_PRINT_ADDR: 1456 printed += fprintf(fp, " %04x:", val); 1457 break; 1458 case BINARY_PRINT_NUM_DATA: 1459 printed += fprintf(fp, " %02x", val); 1460 break; 1461 case BINARY_PRINT_NUM_PAD: 1462 printed += fprintf(fp, " "); 1463 break; 1464 case BINARY_PRINT_SEP: 1465 printed += fprintf(fp, " "); 1466 break; 1467 case BINARY_PRINT_CHAR_DATA: 1468 if (printer_data->hit_nul && ch) 1469 printer_data->is_printable = false; 1470 1471 if (!isprint(ch)) { 1472 printed += fprintf(fp, "%c", '.'); 1473 1474 if (!printer_data->is_printable) 1475 break; 1476 1477 if (ch == '\0') 1478 printer_data->hit_nul = true; 1479 else 1480 printer_data->is_printable = false; 1481 } else { 1482 printed += fprintf(fp, "%c", ch); 1483 } 1484 break; 1485 case BINARY_PRINT_CHAR_PAD: 1486 printed += fprintf(fp, " "); 1487 break; 1488 case BINARY_PRINT_LINE_END: 1489 printed += fprintf(fp, "\n"); 1490 printer_data->line_no++; 1491 break; 1492 case BINARY_PRINT_DATA_END: 1493 default: 1494 break; 1495 } 1496 1497 return printed; 1498 } 1499 perf_sample__fprintf_bpf_output(struct perf_sample * sample,FILE * fp)1500 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp) 1501 { 1502 unsigned int nr_bytes = sample->raw_size; 1503 struct printer_data printer_data = {0, false, true}; 1504 int printed = binary__fprintf(sample->raw_data, nr_bytes, 8, 1505 sample__fprintf_bpf_output, &printer_data, fp); 1506 1507 if (printer_data.is_printable && printer_data.hit_nul) 1508 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data)); 1509 1510 return printed; 1511 } 1512 perf_sample__fprintf_spacing(int len,int spacing,FILE * fp)1513 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp) 1514 { 1515 if (len > 0 && len < spacing) 1516 return fprintf(fp, "%*s", spacing - len, ""); 1517 1518 return 0; 1519 } 1520 perf_sample__fprintf_pt_spacing(int len,FILE * fp)1521 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp) 1522 { 1523 return perf_sample__fprintf_spacing(len, 34, fp); 1524 } 1525 perf_sample__fprintf_synth_ptwrite(struct perf_sample * sample,FILE * fp)1526 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp) 1527 { 1528 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample); 1529 int len; 1530 1531 if (perf_sample__bad_synth_size(sample, *data)) 1532 return 0; 1533 1534 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ", 1535 data->ip, le64_to_cpu(data->payload)); 1536 return len + perf_sample__fprintf_pt_spacing(len, fp); 1537 } 1538 perf_sample__fprintf_synth_mwait(struct perf_sample * sample,FILE * fp)1539 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp) 1540 { 1541 struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample); 1542 int len; 1543 1544 if (perf_sample__bad_synth_size(sample, *data)) 1545 return 0; 1546 1547 len = fprintf(fp, " hints: %#x extensions: %#x ", 1548 data->hints, data->extensions); 1549 return len + perf_sample__fprintf_pt_spacing(len, fp); 1550 } 1551 perf_sample__fprintf_synth_pwre(struct perf_sample * sample,FILE * fp)1552 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp) 1553 { 1554 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample); 1555 int len; 1556 1557 if (perf_sample__bad_synth_size(sample, *data)) 1558 return 0; 1559 1560 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ", 1561 data->hw, data->cstate, data->subcstate); 1562 return len + perf_sample__fprintf_pt_spacing(len, fp); 1563 } 1564 perf_sample__fprintf_synth_exstop(struct perf_sample * sample,FILE * fp)1565 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp) 1566 { 1567 struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample); 1568 int len; 1569 1570 if (perf_sample__bad_synth_size(sample, *data)) 1571 return 0; 1572 1573 len = fprintf(fp, " IP: %u ", data->ip); 1574 return len + perf_sample__fprintf_pt_spacing(len, fp); 1575 } 1576 perf_sample__fprintf_synth_pwrx(struct perf_sample * sample,FILE * fp)1577 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp) 1578 { 1579 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample); 1580 int len; 1581 1582 if (perf_sample__bad_synth_size(sample, *data)) 1583 return 0; 1584 1585 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ", 1586 data->deepest_cstate, data->last_cstate, 1587 data->wake_reason); 1588 return len + perf_sample__fprintf_pt_spacing(len, fp); 1589 } 1590 perf_sample__fprintf_synth_cbr(struct perf_sample * sample,FILE * fp)1591 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp) 1592 { 1593 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample); 1594 unsigned int percent, freq; 1595 int len; 1596 1597 if (perf_sample__bad_synth_size(sample, *data)) 1598 return 0; 1599 1600 freq = (le32_to_cpu(data->freq) + 500) / 1000; 1601 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq); 1602 if (data->max_nonturbo) { 1603 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10; 1604 len += fprintf(fp, "(%3u%%) ", percent); 1605 } 1606 return len + perf_sample__fprintf_pt_spacing(len, fp); 1607 } 1608 perf_sample__fprintf_synth(struct perf_sample * sample,struct evsel * evsel,FILE * fp)1609 static int perf_sample__fprintf_synth(struct perf_sample *sample, 1610 struct evsel *evsel, FILE *fp) 1611 { 1612 switch (evsel->core.attr.config) { 1613 case PERF_SYNTH_INTEL_PTWRITE: 1614 return perf_sample__fprintf_synth_ptwrite(sample, fp); 1615 case PERF_SYNTH_INTEL_MWAIT: 1616 return perf_sample__fprintf_synth_mwait(sample, fp); 1617 case PERF_SYNTH_INTEL_PWRE: 1618 return perf_sample__fprintf_synth_pwre(sample, fp); 1619 case PERF_SYNTH_INTEL_EXSTOP: 1620 return perf_sample__fprintf_synth_exstop(sample, fp); 1621 case PERF_SYNTH_INTEL_PWRX: 1622 return perf_sample__fprintf_synth_pwrx(sample, fp); 1623 case PERF_SYNTH_INTEL_CBR: 1624 return perf_sample__fprintf_synth_cbr(sample, fp); 1625 default: 1626 break; 1627 } 1628 1629 return 0; 1630 } 1631 1632 struct perf_script { 1633 struct perf_tool tool; 1634 struct perf_session *session; 1635 bool show_task_events; 1636 bool show_mmap_events; 1637 bool show_switch_events; 1638 bool show_namespace_events; 1639 bool show_lost_events; 1640 bool show_round_events; 1641 bool show_bpf_events; 1642 bool allocated; 1643 bool per_event_dump; 1644 struct evswitch evswitch; 1645 struct perf_cpu_map *cpus; 1646 struct perf_thread_map *threads; 1647 int name_width; 1648 const char *time_str; 1649 struct perf_time_interval *ptime_range; 1650 int range_size; 1651 int range_num; 1652 }; 1653 perf_evlist__max_name_len(struct evlist * evlist)1654 static int perf_evlist__max_name_len(struct evlist *evlist) 1655 { 1656 struct evsel *evsel; 1657 int max = 0; 1658 1659 evlist__for_each_entry(evlist, evsel) { 1660 int len = strlen(perf_evsel__name(evsel)); 1661 1662 max = MAX(len, max); 1663 } 1664 1665 return max; 1666 } 1667 data_src__fprintf(u64 data_src,FILE * fp)1668 static int data_src__fprintf(u64 data_src, FILE *fp) 1669 { 1670 struct mem_info mi = { .data_src.val = data_src }; 1671 char decode[100]; 1672 char out[100]; 1673 static int maxlen; 1674 int len; 1675 1676 perf_script__meminfo_scnprintf(decode, 100, &mi); 1677 1678 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode); 1679 if (maxlen < len) 1680 maxlen = len; 1681 1682 return fprintf(fp, "%-*s", maxlen, out); 1683 } 1684 1685 struct metric_ctx { 1686 struct perf_sample *sample; 1687 struct thread *thread; 1688 struct evsel *evsel; 1689 FILE *fp; 1690 }; 1691 script_print_metric(struct perf_stat_config * config __maybe_unused,void * ctx,const char * color,const char * fmt,const char * unit,double val)1692 static void script_print_metric(struct perf_stat_config *config __maybe_unused, 1693 void *ctx, const char *color, 1694 const char *fmt, 1695 const char *unit, double val) 1696 { 1697 struct metric_ctx *mctx = ctx; 1698 1699 if (!fmt) 1700 return; 1701 perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel, 1702 PERF_RECORD_SAMPLE, mctx->fp); 1703 fputs("\tmetric: ", mctx->fp); 1704 if (color) 1705 color_fprintf(mctx->fp, color, fmt, val); 1706 else 1707 printf(fmt, val); 1708 fprintf(mctx->fp, " %s\n", unit); 1709 } 1710 script_new_line(struct perf_stat_config * config __maybe_unused,void * ctx)1711 static void script_new_line(struct perf_stat_config *config __maybe_unused, 1712 void *ctx) 1713 { 1714 struct metric_ctx *mctx = ctx; 1715 1716 perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel, 1717 PERF_RECORD_SAMPLE, mctx->fp); 1718 fputs("\tmetric: ", mctx->fp); 1719 } 1720 perf_sample__fprint_metric(struct perf_script * script,struct thread * thread,struct evsel * evsel,struct perf_sample * sample,FILE * fp)1721 static void perf_sample__fprint_metric(struct perf_script *script, 1722 struct thread *thread, 1723 struct evsel *evsel, 1724 struct perf_sample *sample, 1725 FILE *fp) 1726 { 1727 struct perf_stat_output_ctx ctx = { 1728 .print_metric = script_print_metric, 1729 .new_line = script_new_line, 1730 .ctx = &(struct metric_ctx) { 1731 .sample = sample, 1732 .thread = thread, 1733 .evsel = evsel, 1734 .fp = fp, 1735 }, 1736 .force_header = false, 1737 }; 1738 struct evsel *ev2; 1739 u64 val; 1740 1741 if (!evsel->stats) 1742 perf_evlist__alloc_stats(script->session->evlist, false); 1743 if (evsel_script(evsel->leader)->gnum++ == 0) 1744 perf_stat__reset_shadow_stats(); 1745 val = sample->period * evsel->scale; 1746 perf_stat__update_shadow_stats(evsel, 1747 val, 1748 sample->cpu, 1749 &rt_stat); 1750 evsel_script(evsel)->val = val; 1751 if (evsel_script(evsel->leader)->gnum == evsel->leader->core.nr_members) { 1752 for_each_group_member (ev2, evsel->leader) { 1753 perf_stat__print_shadow_stats(&stat_config, ev2, 1754 evsel_script(ev2)->val, 1755 sample->cpu, 1756 &ctx, 1757 NULL, 1758 &rt_stat); 1759 } 1760 evsel_script(evsel->leader)->gnum = 0; 1761 } 1762 } 1763 show_event(struct perf_sample * sample,struct evsel * evsel,struct thread * thread,struct addr_location * al)1764 static bool show_event(struct perf_sample *sample, 1765 struct evsel *evsel, 1766 struct thread *thread, 1767 struct addr_location *al) 1768 { 1769 int depth = thread_stack__depth(thread, sample->cpu); 1770 1771 if (!symbol_conf.graph_function) 1772 return true; 1773 1774 if (thread->filter) { 1775 if (depth <= thread->filter_entry_depth) { 1776 thread->filter = false; 1777 return false; 1778 } 1779 return true; 1780 } else { 1781 const char *s = symbol_conf.graph_function; 1782 u64 ip; 1783 const char *name = resolve_branch_sym(sample, evsel, thread, al, 1784 &ip); 1785 unsigned nlen; 1786 1787 if (!name) 1788 return false; 1789 nlen = strlen(name); 1790 while (*s) { 1791 unsigned len = strcspn(s, ","); 1792 if (nlen == len && !strncmp(name, s, len)) { 1793 thread->filter = true; 1794 thread->filter_entry_depth = depth; 1795 return true; 1796 } 1797 s += len; 1798 if (*s == ',') 1799 s++; 1800 } 1801 return false; 1802 } 1803 } 1804 process_event(struct perf_script * script,struct perf_sample * sample,struct evsel * evsel,struct addr_location * al,struct machine * machine)1805 static void process_event(struct perf_script *script, 1806 struct perf_sample *sample, struct evsel *evsel, 1807 struct addr_location *al, 1808 struct machine *machine) 1809 { 1810 struct thread *thread = al->thread; 1811 struct perf_event_attr *attr = &evsel->core.attr; 1812 unsigned int type = output_type(attr->type); 1813 struct evsel_script *es = evsel->priv; 1814 FILE *fp = es->fp; 1815 1816 if (output[type].fields == 0) 1817 return; 1818 1819 if (!show_event(sample, evsel, thread, al)) 1820 return; 1821 1822 if (evswitch__discard(&script->evswitch, evsel)) 1823 return; 1824 1825 ++es->samples; 1826 1827 perf_sample__fprintf_start(sample, thread, evsel, 1828 PERF_RECORD_SAMPLE, fp); 1829 1830 if (PRINT_FIELD(PERIOD)) 1831 fprintf(fp, "%10" PRIu64 " ", sample->period); 1832 1833 if (PRINT_FIELD(EVNAME)) { 1834 const char *evname = perf_evsel__name(evsel); 1835 1836 if (!script->name_width) 1837 script->name_width = perf_evlist__max_name_len(script->session->evlist); 1838 1839 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]"); 1840 } 1841 1842 if (print_flags) 1843 perf_sample__fprintf_flags(sample->flags, fp); 1844 1845 if (is_bts_event(attr)) { 1846 perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp); 1847 return; 1848 } 1849 1850 if (PRINT_FIELD(TRACE) && sample->raw_data) { 1851 event_format__fprintf(evsel->tp_format, sample->cpu, 1852 sample->raw_data, sample->raw_size, fp); 1853 } 1854 1855 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH)) 1856 perf_sample__fprintf_synth(sample, evsel, fp); 1857 1858 if (PRINT_FIELD(ADDR)) 1859 perf_sample__fprintf_addr(sample, thread, attr, fp); 1860 1861 if (PRINT_FIELD(DATA_SRC)) 1862 data_src__fprintf(sample->data_src, fp); 1863 1864 if (PRINT_FIELD(WEIGHT)) 1865 fprintf(fp, "%16" PRIu64, sample->weight); 1866 1867 if (PRINT_FIELD(IP)) { 1868 struct callchain_cursor *cursor = NULL; 1869 1870 if (symbol_conf.use_callchain && sample->callchain && 1871 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 1872 sample, NULL, NULL, scripting_max_stack) == 0) 1873 cursor = &callchain_cursor; 1874 1875 fputc(cursor ? '\n' : ' ', fp); 1876 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, 1877 symbol_conf.bt_stop_list, fp); 1878 } 1879 1880 if (PRINT_FIELD(IREGS)) 1881 perf_sample__fprintf_iregs(sample, attr, fp); 1882 1883 if (PRINT_FIELD(UREGS)) 1884 perf_sample__fprintf_uregs(sample, attr, fp); 1885 1886 if (PRINT_FIELD(BRSTACK)) 1887 perf_sample__fprintf_brstack(sample, thread, attr, fp); 1888 else if (PRINT_FIELD(BRSTACKSYM)) 1889 perf_sample__fprintf_brstacksym(sample, thread, attr, fp); 1890 else if (PRINT_FIELD(BRSTACKOFF)) 1891 perf_sample__fprintf_brstackoff(sample, thread, attr, fp); 1892 1893 if (perf_evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT)) 1894 perf_sample__fprintf_bpf_output(sample, fp); 1895 perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 1896 1897 if (PRINT_FIELD(PHYS_ADDR)) 1898 fprintf(fp, "%16" PRIx64, sample->phys_addr); 1899 1900 perf_sample__fprintf_ipc(sample, attr, fp); 1901 1902 fprintf(fp, "\n"); 1903 1904 if (PRINT_FIELD(SRCCODE)) { 1905 if (map__fprintf_srccode(al->map, al->addr, stdout, 1906 &thread->srccode_state)) 1907 printf("\n"); 1908 } 1909 1910 if (PRINT_FIELD(METRIC)) 1911 perf_sample__fprint_metric(script, thread, evsel, sample, fp); 1912 1913 if (verbose) 1914 fflush(fp); 1915 } 1916 1917 static struct scripting_ops *scripting_ops; 1918 __process_stat(struct evsel * counter,u64 tstamp)1919 static void __process_stat(struct evsel *counter, u64 tstamp) 1920 { 1921 int nthreads = perf_thread_map__nr(counter->core.threads); 1922 int ncpus = perf_evsel__nr_cpus(counter); 1923 int cpu, thread; 1924 static int header_printed; 1925 1926 if (counter->core.system_wide) 1927 nthreads = 1; 1928 1929 if (!header_printed) { 1930 printf("%3s %8s %15s %15s %15s %15s %s\n", 1931 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT"); 1932 header_printed = 1; 1933 } 1934 1935 for (thread = 0; thread < nthreads; thread++) { 1936 for (cpu = 0; cpu < ncpus; cpu++) { 1937 struct perf_counts_values *counts; 1938 1939 counts = perf_counts(counter->counts, cpu, thread); 1940 1941 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n", 1942 counter->core.cpus->map[cpu], 1943 perf_thread_map__pid(counter->core.threads, thread), 1944 counts->val, 1945 counts->ena, 1946 counts->run, 1947 tstamp, 1948 perf_evsel__name(counter)); 1949 } 1950 } 1951 } 1952 process_stat(struct evsel * counter,u64 tstamp)1953 static void process_stat(struct evsel *counter, u64 tstamp) 1954 { 1955 if (scripting_ops && scripting_ops->process_stat) 1956 scripting_ops->process_stat(&stat_config, counter, tstamp); 1957 else 1958 __process_stat(counter, tstamp); 1959 } 1960 process_stat_interval(u64 tstamp)1961 static void process_stat_interval(u64 tstamp) 1962 { 1963 if (scripting_ops && scripting_ops->process_stat_interval) 1964 scripting_ops->process_stat_interval(tstamp); 1965 } 1966 setup_scripting(void)1967 static void setup_scripting(void) 1968 { 1969 setup_perl_scripting(); 1970 setup_python_scripting(); 1971 } 1972 flush_scripting(void)1973 static int flush_scripting(void) 1974 { 1975 return scripting_ops ? scripting_ops->flush_script() : 0; 1976 } 1977 cleanup_scripting(void)1978 static int cleanup_scripting(void) 1979 { 1980 pr_debug("\nperf script stopped\n"); 1981 1982 return scripting_ops ? scripting_ops->stop_script() : 0; 1983 } 1984 filter_cpu(struct perf_sample * sample)1985 static bool filter_cpu(struct perf_sample *sample) 1986 { 1987 if (cpu_list) 1988 return !test_bit(sample->cpu, cpu_bitmap); 1989 return false; 1990 } 1991 process_sample_event(struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct evsel * evsel,struct machine * machine)1992 static int process_sample_event(struct perf_tool *tool, 1993 union perf_event *event, 1994 struct perf_sample *sample, 1995 struct evsel *evsel, 1996 struct machine *machine) 1997 { 1998 struct perf_script *scr = container_of(tool, struct perf_script, tool); 1999 struct addr_location al; 2000 2001 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num, 2002 sample->time)) { 2003 return 0; 2004 } 2005 2006 if (debug_mode) { 2007 if (sample->time < last_timestamp) { 2008 pr_err("Samples misordered, previous: %" PRIu64 2009 " this: %" PRIu64 "\n", last_timestamp, 2010 sample->time); 2011 nr_unordered++; 2012 } 2013 last_timestamp = sample->time; 2014 return 0; 2015 } 2016 2017 if (machine__resolve(machine, &al, sample) < 0) { 2018 pr_err("problem processing %d event, skipping it.\n", 2019 event->header.type); 2020 return -1; 2021 } 2022 2023 if (al.filtered) 2024 goto out_put; 2025 2026 if (filter_cpu(sample)) 2027 goto out_put; 2028 2029 if (scripting_ops) 2030 scripting_ops->process_event(event, sample, evsel, &al); 2031 else 2032 process_event(scr, sample, evsel, &al, machine); 2033 2034 out_put: 2035 addr_location__put(&al); 2036 return 0; 2037 } 2038 process_attr(struct perf_tool * tool,union perf_event * event,struct evlist ** pevlist)2039 static int process_attr(struct perf_tool *tool, union perf_event *event, 2040 struct evlist **pevlist) 2041 { 2042 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2043 struct evlist *evlist; 2044 struct evsel *evsel, *pos; 2045 int err; 2046 static struct evsel_script *es; 2047 2048 err = perf_event__process_attr(tool, event, pevlist); 2049 if (err) 2050 return err; 2051 2052 evlist = *pevlist; 2053 evsel = evlist__last(*pevlist); 2054 2055 if (!evsel->priv) { 2056 if (scr->per_event_dump) { 2057 evsel->priv = perf_evsel_script__new(evsel, 2058 scr->session->data); 2059 } else { 2060 es = zalloc(sizeof(*es)); 2061 if (!es) 2062 return -ENOMEM; 2063 es->fp = stdout; 2064 evsel->priv = es; 2065 } 2066 } 2067 2068 if (evsel->core.attr.type >= PERF_TYPE_MAX && 2069 evsel->core.attr.type != PERF_TYPE_SYNTH) 2070 return 0; 2071 2072 evlist__for_each_entry(evlist, pos) { 2073 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel) 2074 return 0; 2075 } 2076 2077 set_print_ip_opts(&evsel->core.attr); 2078 2079 if (evsel->core.attr.sample_type) 2080 err = perf_evsel__check_attr(evsel, scr->session); 2081 2082 return err; 2083 } 2084 process_comm_event(struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine)2085 static int process_comm_event(struct perf_tool *tool, 2086 union perf_event *event, 2087 struct perf_sample *sample, 2088 struct machine *machine) 2089 { 2090 struct thread *thread; 2091 struct perf_script *script = container_of(tool, struct perf_script, tool); 2092 struct perf_session *session = script->session; 2093 struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2094 int ret = -1; 2095 2096 thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid); 2097 if (thread == NULL) { 2098 pr_debug("problem processing COMM event, skipping it.\n"); 2099 return -1; 2100 } 2101 2102 if (perf_event__process_comm(tool, event, sample, machine) < 0) 2103 goto out; 2104 2105 if (!evsel->core.attr.sample_id_all) { 2106 sample->cpu = 0; 2107 sample->time = 0; 2108 sample->tid = event->comm.tid; 2109 sample->pid = event->comm.pid; 2110 } 2111 if (!filter_cpu(sample)) { 2112 perf_sample__fprintf_start(sample, thread, evsel, 2113 PERF_RECORD_COMM, stdout); 2114 perf_event__fprintf(event, stdout); 2115 } 2116 ret = 0; 2117 out: 2118 thread__put(thread); 2119 return ret; 2120 } 2121 process_namespaces_event(struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine)2122 static int process_namespaces_event(struct perf_tool *tool, 2123 union perf_event *event, 2124 struct perf_sample *sample, 2125 struct machine *machine) 2126 { 2127 struct thread *thread; 2128 struct perf_script *script = container_of(tool, struct perf_script, tool); 2129 struct perf_session *session = script->session; 2130 struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2131 int ret = -1; 2132 2133 thread = machine__findnew_thread(machine, event->namespaces.pid, 2134 event->namespaces.tid); 2135 if (thread == NULL) { 2136 pr_debug("problem processing NAMESPACES event, skipping it.\n"); 2137 return -1; 2138 } 2139 2140 if (perf_event__process_namespaces(tool, event, sample, machine) < 0) 2141 goto out; 2142 2143 if (!evsel->core.attr.sample_id_all) { 2144 sample->cpu = 0; 2145 sample->time = 0; 2146 sample->tid = event->namespaces.tid; 2147 sample->pid = event->namespaces.pid; 2148 } 2149 if (!filter_cpu(sample)) { 2150 perf_sample__fprintf_start(sample, thread, evsel, 2151 PERF_RECORD_NAMESPACES, stdout); 2152 perf_event__fprintf(event, stdout); 2153 } 2154 ret = 0; 2155 out: 2156 thread__put(thread); 2157 return ret; 2158 } 2159 process_fork_event(struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine)2160 static int process_fork_event(struct perf_tool *tool, 2161 union perf_event *event, 2162 struct perf_sample *sample, 2163 struct machine *machine) 2164 { 2165 struct thread *thread; 2166 struct perf_script *script = container_of(tool, struct perf_script, tool); 2167 struct perf_session *session = script->session; 2168 struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2169 2170 if (perf_event__process_fork(tool, event, sample, machine) < 0) 2171 return -1; 2172 2173 thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid); 2174 if (thread == NULL) { 2175 pr_debug("problem processing FORK event, skipping it.\n"); 2176 return -1; 2177 } 2178 2179 if (!evsel->core.attr.sample_id_all) { 2180 sample->cpu = 0; 2181 sample->time = event->fork.time; 2182 sample->tid = event->fork.tid; 2183 sample->pid = event->fork.pid; 2184 } 2185 if (!filter_cpu(sample)) { 2186 perf_sample__fprintf_start(sample, thread, evsel, 2187 PERF_RECORD_FORK, stdout); 2188 perf_event__fprintf(event, stdout); 2189 } 2190 thread__put(thread); 2191 2192 return 0; 2193 } process_exit_event(struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine)2194 static int process_exit_event(struct perf_tool *tool, 2195 union perf_event *event, 2196 struct perf_sample *sample, 2197 struct machine *machine) 2198 { 2199 int err = 0; 2200 struct thread *thread; 2201 struct perf_script *script = container_of(tool, struct perf_script, tool); 2202 struct perf_session *session = script->session; 2203 struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2204 2205 thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid); 2206 if (thread == NULL) { 2207 pr_debug("problem processing EXIT event, skipping it.\n"); 2208 return -1; 2209 } 2210 2211 if (!evsel->core.attr.sample_id_all) { 2212 sample->cpu = 0; 2213 sample->time = 0; 2214 sample->tid = event->fork.tid; 2215 sample->pid = event->fork.pid; 2216 } 2217 if (!filter_cpu(sample)) { 2218 perf_sample__fprintf_start(sample, thread, evsel, 2219 PERF_RECORD_EXIT, stdout); 2220 perf_event__fprintf(event, stdout); 2221 } 2222 2223 if (perf_event__process_exit(tool, event, sample, machine) < 0) 2224 err = -1; 2225 2226 thread__put(thread); 2227 return err; 2228 } 2229 process_mmap_event(struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine)2230 static int process_mmap_event(struct perf_tool *tool, 2231 union perf_event *event, 2232 struct perf_sample *sample, 2233 struct machine *machine) 2234 { 2235 struct thread *thread; 2236 struct perf_script *script = container_of(tool, struct perf_script, tool); 2237 struct perf_session *session = script->session; 2238 struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2239 2240 if (perf_event__process_mmap(tool, event, sample, machine) < 0) 2241 return -1; 2242 2243 thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid); 2244 if (thread == NULL) { 2245 pr_debug("problem processing MMAP event, skipping it.\n"); 2246 return -1; 2247 } 2248 2249 if (!evsel->core.attr.sample_id_all) { 2250 sample->cpu = 0; 2251 sample->time = 0; 2252 sample->tid = event->mmap.tid; 2253 sample->pid = event->mmap.pid; 2254 } 2255 if (!filter_cpu(sample)) { 2256 perf_sample__fprintf_start(sample, thread, evsel, 2257 PERF_RECORD_MMAP, stdout); 2258 perf_event__fprintf(event, stdout); 2259 } 2260 thread__put(thread); 2261 return 0; 2262 } 2263 process_mmap2_event(struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine)2264 static int process_mmap2_event(struct perf_tool *tool, 2265 union perf_event *event, 2266 struct perf_sample *sample, 2267 struct machine *machine) 2268 { 2269 struct thread *thread; 2270 struct perf_script *script = container_of(tool, struct perf_script, tool); 2271 struct perf_session *session = script->session; 2272 struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2273 2274 if (perf_event__process_mmap2(tool, event, sample, machine) < 0) 2275 return -1; 2276 2277 thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid); 2278 if (thread == NULL) { 2279 pr_debug("problem processing MMAP2 event, skipping it.\n"); 2280 return -1; 2281 } 2282 2283 if (!evsel->core.attr.sample_id_all) { 2284 sample->cpu = 0; 2285 sample->time = 0; 2286 sample->tid = event->mmap2.tid; 2287 sample->pid = event->mmap2.pid; 2288 } 2289 if (!filter_cpu(sample)) { 2290 perf_sample__fprintf_start(sample, thread, evsel, 2291 PERF_RECORD_MMAP2, stdout); 2292 perf_event__fprintf(event, stdout); 2293 } 2294 thread__put(thread); 2295 return 0; 2296 } 2297 process_switch_event(struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine)2298 static int process_switch_event(struct perf_tool *tool, 2299 union perf_event *event, 2300 struct perf_sample *sample, 2301 struct machine *machine) 2302 { 2303 struct thread *thread; 2304 struct perf_script *script = container_of(tool, struct perf_script, tool); 2305 struct perf_session *session = script->session; 2306 struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2307 2308 if (perf_event__process_switch(tool, event, sample, machine) < 0) 2309 return -1; 2310 2311 if (scripting_ops && scripting_ops->process_switch && !filter_cpu(sample)) 2312 scripting_ops->process_switch(event, sample, machine); 2313 2314 if (!script->show_switch_events) 2315 return 0; 2316 2317 thread = machine__findnew_thread(machine, sample->pid, 2318 sample->tid); 2319 if (thread == NULL) { 2320 pr_debug("problem processing SWITCH event, skipping it.\n"); 2321 return -1; 2322 } 2323 2324 if (!filter_cpu(sample)) { 2325 perf_sample__fprintf_start(sample, thread, evsel, 2326 PERF_RECORD_SWITCH, stdout); 2327 perf_event__fprintf(event, stdout); 2328 } 2329 thread__put(thread); 2330 return 0; 2331 } 2332 2333 static int process_lost_event(struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine)2334 process_lost_event(struct perf_tool *tool, 2335 union perf_event *event, 2336 struct perf_sample *sample, 2337 struct machine *machine) 2338 { 2339 struct perf_script *script = container_of(tool, struct perf_script, tool); 2340 struct perf_session *session = script->session; 2341 struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2342 struct thread *thread; 2343 2344 thread = machine__findnew_thread(machine, sample->pid, 2345 sample->tid); 2346 if (thread == NULL) 2347 return -1; 2348 2349 if (!filter_cpu(sample)) { 2350 perf_sample__fprintf_start(sample, thread, evsel, 2351 PERF_RECORD_LOST, stdout); 2352 perf_event__fprintf(event, stdout); 2353 } 2354 thread__put(thread); 2355 return 0; 2356 } 2357 2358 static int process_finished_round_event(struct perf_tool * tool __maybe_unused,union perf_event * event,struct ordered_events * oe __maybe_unused)2359 process_finished_round_event(struct perf_tool *tool __maybe_unused, 2360 union perf_event *event, 2361 struct ordered_events *oe __maybe_unused) 2362 2363 { 2364 perf_event__fprintf(event, stdout); 2365 return 0; 2366 } 2367 2368 static int process_bpf_events(struct perf_tool * tool __maybe_unused,union perf_event * event,struct perf_sample * sample,struct machine * machine)2369 process_bpf_events(struct perf_tool *tool __maybe_unused, 2370 union perf_event *event, 2371 struct perf_sample *sample, 2372 struct machine *machine) 2373 { 2374 struct thread *thread; 2375 struct perf_script *script = container_of(tool, struct perf_script, tool); 2376 struct perf_session *session = script->session; 2377 struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); 2378 2379 if (machine__process_ksymbol(machine, event, sample) < 0) 2380 return -1; 2381 2382 if (!evsel->core.attr.sample_id_all) { 2383 perf_event__fprintf(event, stdout); 2384 return 0; 2385 } 2386 2387 thread = machine__findnew_thread(machine, sample->pid, sample->tid); 2388 if (thread == NULL) { 2389 pr_debug("problem processing MMAP event, skipping it.\n"); 2390 return -1; 2391 } 2392 2393 if (!filter_cpu(sample)) { 2394 perf_sample__fprintf_start(sample, thread, evsel, 2395 event->header.type, stdout); 2396 perf_event__fprintf(event, stdout); 2397 } 2398 2399 thread__put(thread); 2400 return 0; 2401 } 2402 sig_handler(int sig __maybe_unused)2403 static void sig_handler(int sig __maybe_unused) 2404 { 2405 session_done = 1; 2406 } 2407 perf_script__fclose_per_event_dump(struct perf_script * script)2408 static void perf_script__fclose_per_event_dump(struct perf_script *script) 2409 { 2410 struct evlist *evlist = script->session->evlist; 2411 struct evsel *evsel; 2412 2413 evlist__for_each_entry(evlist, evsel) { 2414 if (!evsel->priv) 2415 break; 2416 perf_evsel_script__delete(evsel->priv); 2417 evsel->priv = NULL; 2418 } 2419 } 2420 perf_script__fopen_per_event_dump(struct perf_script * script)2421 static int perf_script__fopen_per_event_dump(struct perf_script *script) 2422 { 2423 struct evsel *evsel; 2424 2425 evlist__for_each_entry(script->session->evlist, evsel) { 2426 /* 2427 * Already setup? I.e. we may be called twice in cases like 2428 * Intel PT, one for the intel_pt// and dummy events, then 2429 * for the evsels syntheized from the auxtrace info. 2430 * 2431 * Ses perf_script__process_auxtrace_info. 2432 */ 2433 if (evsel->priv != NULL) 2434 continue; 2435 2436 evsel->priv = perf_evsel_script__new(evsel, script->session->data); 2437 if (evsel->priv == NULL) 2438 goto out_err_fclose; 2439 } 2440 2441 return 0; 2442 2443 out_err_fclose: 2444 perf_script__fclose_per_event_dump(script); 2445 return -1; 2446 } 2447 perf_script__setup_per_event_dump(struct perf_script * script)2448 static int perf_script__setup_per_event_dump(struct perf_script *script) 2449 { 2450 struct evsel *evsel; 2451 static struct evsel_script es_stdout; 2452 2453 if (script->per_event_dump) 2454 return perf_script__fopen_per_event_dump(script); 2455 2456 es_stdout.fp = stdout; 2457 2458 evlist__for_each_entry(script->session->evlist, evsel) 2459 evsel->priv = &es_stdout; 2460 2461 return 0; 2462 } 2463 perf_script__exit_per_event_dump_stats(struct perf_script * script)2464 static void perf_script__exit_per_event_dump_stats(struct perf_script *script) 2465 { 2466 struct evsel *evsel; 2467 2468 evlist__for_each_entry(script->session->evlist, evsel) { 2469 struct evsel_script *es = evsel->priv; 2470 2471 perf_evsel_script__fprintf(es, stdout); 2472 perf_evsel_script__delete(es); 2473 evsel->priv = NULL; 2474 } 2475 } 2476 perf_script__exit(struct perf_script * script)2477 static void perf_script__exit(struct perf_script *script) 2478 { 2479 perf_thread_map__put(script->threads); 2480 perf_cpu_map__put(script->cpus); 2481 } 2482 __cmd_script(struct perf_script * script)2483 static int __cmd_script(struct perf_script *script) 2484 { 2485 int ret; 2486 2487 signal(SIGINT, sig_handler); 2488 2489 perf_stat__init_shadow_stats(); 2490 2491 /* override event processing functions */ 2492 if (script->show_task_events) { 2493 script->tool.comm = process_comm_event; 2494 script->tool.fork = process_fork_event; 2495 script->tool.exit = process_exit_event; 2496 } 2497 if (script->show_mmap_events) { 2498 script->tool.mmap = process_mmap_event; 2499 script->tool.mmap2 = process_mmap2_event; 2500 } 2501 if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch)) 2502 script->tool.context_switch = process_switch_event; 2503 if (script->show_namespace_events) 2504 script->tool.namespaces = process_namespaces_event; 2505 if (script->show_lost_events) 2506 script->tool.lost = process_lost_event; 2507 if (script->show_round_events) { 2508 script->tool.ordered_events = false; 2509 script->tool.finished_round = process_finished_round_event; 2510 } 2511 if (script->show_bpf_events) { 2512 script->tool.ksymbol = process_bpf_events; 2513 script->tool.bpf = process_bpf_events; 2514 } 2515 2516 if (perf_script__setup_per_event_dump(script)) { 2517 pr_err("Couldn't create the per event dump files\n"); 2518 return -1; 2519 } 2520 2521 ret = perf_session__process_events(script->session); 2522 2523 if (script->per_event_dump) 2524 perf_script__exit_per_event_dump_stats(script); 2525 2526 if (debug_mode) 2527 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); 2528 2529 return ret; 2530 } 2531 2532 struct script_spec { 2533 struct list_head node; 2534 struct scripting_ops *ops; 2535 char spec[0]; 2536 }; 2537 2538 static LIST_HEAD(script_specs); 2539 script_spec__new(const char * spec,struct scripting_ops * ops)2540 static struct script_spec *script_spec__new(const char *spec, 2541 struct scripting_ops *ops) 2542 { 2543 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); 2544 2545 if (s != NULL) { 2546 strcpy(s->spec, spec); 2547 s->ops = ops; 2548 } 2549 2550 return s; 2551 } 2552 script_spec__add(struct script_spec * s)2553 static void script_spec__add(struct script_spec *s) 2554 { 2555 list_add_tail(&s->node, &script_specs); 2556 } 2557 script_spec__find(const char * spec)2558 static struct script_spec *script_spec__find(const char *spec) 2559 { 2560 struct script_spec *s; 2561 2562 list_for_each_entry(s, &script_specs, node) 2563 if (strcasecmp(s->spec, spec) == 0) 2564 return s; 2565 return NULL; 2566 } 2567 script_spec_register(const char * spec,struct scripting_ops * ops)2568 int script_spec_register(const char *spec, struct scripting_ops *ops) 2569 { 2570 struct script_spec *s; 2571 2572 s = script_spec__find(spec); 2573 if (s) 2574 return -1; 2575 2576 s = script_spec__new(spec, ops); 2577 if (!s) 2578 return -1; 2579 else 2580 script_spec__add(s); 2581 2582 return 0; 2583 } 2584 script_spec__lookup(const char * spec)2585 static struct scripting_ops *script_spec__lookup(const char *spec) 2586 { 2587 struct script_spec *s = script_spec__find(spec); 2588 if (!s) 2589 return NULL; 2590 2591 return s->ops; 2592 } 2593 list_available_languages(void)2594 static void list_available_languages(void) 2595 { 2596 struct script_spec *s; 2597 2598 fprintf(stderr, "\n"); 2599 fprintf(stderr, "Scripting language extensions (used in " 2600 "perf script -s [spec:]script.[spec]):\n\n"); 2601 2602 list_for_each_entry(s, &script_specs, node) 2603 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); 2604 2605 fprintf(stderr, "\n"); 2606 } 2607 parse_scriptname(const struct option * opt __maybe_unused,const char * str,int unset __maybe_unused)2608 static int parse_scriptname(const struct option *opt __maybe_unused, 2609 const char *str, int unset __maybe_unused) 2610 { 2611 char spec[PATH_MAX]; 2612 const char *script, *ext; 2613 int len; 2614 2615 if (strcmp(str, "lang") == 0) { 2616 list_available_languages(); 2617 exit(0); 2618 } 2619 2620 script = strchr(str, ':'); 2621 if (script) { 2622 len = script - str; 2623 if (len >= PATH_MAX) { 2624 fprintf(stderr, "invalid language specifier"); 2625 return -1; 2626 } 2627 strncpy(spec, str, len); 2628 spec[len] = '\0'; 2629 scripting_ops = script_spec__lookup(spec); 2630 if (!scripting_ops) { 2631 fprintf(stderr, "invalid language specifier"); 2632 return -1; 2633 } 2634 script++; 2635 } else { 2636 script = str; 2637 ext = strrchr(script, '.'); 2638 if (!ext) { 2639 fprintf(stderr, "invalid script extension"); 2640 return -1; 2641 } 2642 scripting_ops = script_spec__lookup(++ext); 2643 if (!scripting_ops) { 2644 fprintf(stderr, "invalid script extension"); 2645 return -1; 2646 } 2647 } 2648 2649 script_name = strdup(script); 2650 2651 return 0; 2652 } 2653 parse_output_fields(const struct option * opt __maybe_unused,const char * arg,int unset __maybe_unused)2654 static int parse_output_fields(const struct option *opt __maybe_unused, 2655 const char *arg, int unset __maybe_unused) 2656 { 2657 char *tok, *strtok_saveptr = NULL; 2658 int i, imax = ARRAY_SIZE(all_output_options); 2659 int j; 2660 int rc = 0; 2661 char *str = strdup(arg); 2662 int type = -1; 2663 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT; 2664 2665 if (!str) 2666 return -ENOMEM; 2667 2668 /* first word can state for which event type the user is specifying 2669 * the fields. If no type exists, the specified fields apply to all 2670 * event types found in the file minus the invalid fields for a type. 2671 */ 2672 tok = strchr(str, ':'); 2673 if (tok) { 2674 *tok = '\0'; 2675 tok++; 2676 if (!strcmp(str, "hw")) 2677 type = PERF_TYPE_HARDWARE; 2678 else if (!strcmp(str, "sw")) 2679 type = PERF_TYPE_SOFTWARE; 2680 else if (!strcmp(str, "trace")) 2681 type = PERF_TYPE_TRACEPOINT; 2682 else if (!strcmp(str, "raw")) 2683 type = PERF_TYPE_RAW; 2684 else if (!strcmp(str, "break")) 2685 type = PERF_TYPE_BREAKPOINT; 2686 else if (!strcmp(str, "synth")) 2687 type = OUTPUT_TYPE_SYNTH; 2688 else { 2689 fprintf(stderr, "Invalid event type in field string.\n"); 2690 rc = -EINVAL; 2691 goto out; 2692 } 2693 2694 if (output[type].user_set) 2695 pr_warning("Overriding previous field request for %s events.\n", 2696 event_type(type)); 2697 2698 /* Don't override defaults for +- */ 2699 if (strchr(tok, '+') || strchr(tok, '-')) 2700 goto parse; 2701 2702 output[type].fields = 0; 2703 output[type].user_set = true; 2704 output[type].wildcard_set = false; 2705 2706 } else { 2707 tok = str; 2708 if (strlen(str) == 0) { 2709 fprintf(stderr, 2710 "Cannot set fields to 'none' for all event types.\n"); 2711 rc = -EINVAL; 2712 goto out; 2713 } 2714 2715 /* Don't override defaults for +- */ 2716 if (strchr(str, '+') || strchr(str, '-')) 2717 goto parse; 2718 2719 if (output_set_by_user()) 2720 pr_warning("Overriding previous field request for all events.\n"); 2721 2722 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 2723 output[j].fields = 0; 2724 output[j].user_set = true; 2725 output[j].wildcard_set = true; 2726 } 2727 } 2728 2729 parse: 2730 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) { 2731 if (*tok == '+') { 2732 if (change == SET) 2733 goto out_badmix; 2734 change = ADD; 2735 tok++; 2736 } else if (*tok == '-') { 2737 if (change == SET) 2738 goto out_badmix; 2739 change = REMOVE; 2740 tok++; 2741 } else { 2742 if (change != SET && change != DEFAULT) 2743 goto out_badmix; 2744 change = SET; 2745 } 2746 2747 for (i = 0; i < imax; ++i) { 2748 if (strcmp(tok, all_output_options[i].str) == 0) 2749 break; 2750 } 2751 if (i == imax && strcmp(tok, "flags") == 0) { 2752 print_flags = change == REMOVE ? false : true; 2753 continue; 2754 } 2755 if (i == imax) { 2756 fprintf(stderr, "Invalid field requested.\n"); 2757 rc = -EINVAL; 2758 goto out; 2759 } 2760 2761 if (type == -1) { 2762 /* add user option to all events types for 2763 * which it is valid 2764 */ 2765 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 2766 if (output[j].invalid_fields & all_output_options[i].field) { 2767 pr_warning("\'%s\' not valid for %s events. Ignoring.\n", 2768 all_output_options[i].str, event_type(j)); 2769 } else { 2770 if (change == REMOVE) { 2771 output[j].fields &= ~all_output_options[i].field; 2772 output[j].user_set_fields &= ~all_output_options[i].field; 2773 } else { 2774 output[j].fields |= all_output_options[i].field; 2775 output[j].user_set_fields |= all_output_options[i].field; 2776 } 2777 output[j].user_set = true; 2778 output[j].wildcard_set = true; 2779 } 2780 } 2781 } else { 2782 if (output[type].invalid_fields & all_output_options[i].field) { 2783 fprintf(stderr, "\'%s\' not valid for %s events.\n", 2784 all_output_options[i].str, event_type(type)); 2785 2786 rc = -EINVAL; 2787 goto out; 2788 } 2789 if (change == REMOVE) 2790 output[type].fields &= ~all_output_options[i].field; 2791 else 2792 output[type].fields |= all_output_options[i].field; 2793 output[type].user_set = true; 2794 output[type].wildcard_set = true; 2795 } 2796 } 2797 2798 if (type >= 0) { 2799 if (output[type].fields == 0) { 2800 pr_debug("No fields requested for %s type. " 2801 "Events will not be displayed.\n", event_type(type)); 2802 } 2803 } 2804 goto out; 2805 2806 out_badmix: 2807 fprintf(stderr, "Cannot mix +-field with overridden fields\n"); 2808 rc = -EINVAL; 2809 out: 2810 free(str); 2811 return rc; 2812 } 2813 2814 #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \ 2815 while ((lang_dirent = readdir(scripts_dir)) != NULL) \ 2816 if ((lang_dirent->d_type == DT_DIR || \ 2817 (lang_dirent->d_type == DT_UNKNOWN && \ 2818 is_directory(scripts_path, lang_dirent))) && \ 2819 (strcmp(lang_dirent->d_name, ".")) && \ 2820 (strcmp(lang_dirent->d_name, ".."))) 2821 2822 #define for_each_script(lang_path, lang_dir, script_dirent) \ 2823 while ((script_dirent = readdir(lang_dir)) != NULL) \ 2824 if (script_dirent->d_type != DT_DIR && \ 2825 (script_dirent->d_type != DT_UNKNOWN || \ 2826 !is_directory(lang_path, script_dirent))) 2827 2828 2829 #define RECORD_SUFFIX "-record" 2830 #define REPORT_SUFFIX "-report" 2831 2832 struct script_desc { 2833 struct list_head node; 2834 char *name; 2835 char *half_liner; 2836 char *args; 2837 }; 2838 2839 static LIST_HEAD(script_descs); 2840 script_desc__new(const char * name)2841 static struct script_desc *script_desc__new(const char *name) 2842 { 2843 struct script_desc *s = zalloc(sizeof(*s)); 2844 2845 if (s != NULL && name) 2846 s->name = strdup(name); 2847 2848 return s; 2849 } 2850 script_desc__delete(struct script_desc * s)2851 static void script_desc__delete(struct script_desc *s) 2852 { 2853 zfree(&s->name); 2854 zfree(&s->half_liner); 2855 zfree(&s->args); 2856 free(s); 2857 } 2858 script_desc__add(struct script_desc * s)2859 static void script_desc__add(struct script_desc *s) 2860 { 2861 list_add_tail(&s->node, &script_descs); 2862 } 2863 script_desc__find(const char * name)2864 static struct script_desc *script_desc__find(const char *name) 2865 { 2866 struct script_desc *s; 2867 2868 list_for_each_entry(s, &script_descs, node) 2869 if (strcasecmp(s->name, name) == 0) 2870 return s; 2871 return NULL; 2872 } 2873 script_desc__findnew(const char * name)2874 static struct script_desc *script_desc__findnew(const char *name) 2875 { 2876 struct script_desc *s = script_desc__find(name); 2877 2878 if (s) 2879 return s; 2880 2881 s = script_desc__new(name); 2882 if (!s) 2883 return NULL; 2884 2885 script_desc__add(s); 2886 2887 return s; 2888 } 2889 ends_with(const char * str,const char * suffix)2890 static const char *ends_with(const char *str, const char *suffix) 2891 { 2892 size_t suffix_len = strlen(suffix); 2893 const char *p = str; 2894 2895 if (strlen(str) > suffix_len) { 2896 p = str + strlen(str) - suffix_len; 2897 if (!strncmp(p, suffix, suffix_len)) 2898 return p; 2899 } 2900 2901 return NULL; 2902 } 2903 read_script_info(struct script_desc * desc,const char * filename)2904 static int read_script_info(struct script_desc *desc, const char *filename) 2905 { 2906 char line[BUFSIZ], *p; 2907 FILE *fp; 2908 2909 fp = fopen(filename, "r"); 2910 if (!fp) 2911 return -1; 2912 2913 while (fgets(line, sizeof(line), fp)) { 2914 p = skip_spaces(line); 2915 if (strlen(p) == 0) 2916 continue; 2917 if (*p != '#') 2918 continue; 2919 p++; 2920 if (strlen(p) && *p == '!') 2921 continue; 2922 2923 p = skip_spaces(p); 2924 if (strlen(p) && p[strlen(p) - 1] == '\n') 2925 p[strlen(p) - 1] = '\0'; 2926 2927 if (!strncmp(p, "description:", strlen("description:"))) { 2928 p += strlen("description:"); 2929 desc->half_liner = strdup(skip_spaces(p)); 2930 continue; 2931 } 2932 2933 if (!strncmp(p, "args:", strlen("args:"))) { 2934 p += strlen("args:"); 2935 desc->args = strdup(skip_spaces(p)); 2936 continue; 2937 } 2938 } 2939 2940 fclose(fp); 2941 2942 return 0; 2943 } 2944 get_script_root(struct dirent * script_dirent,const char * suffix)2945 static char *get_script_root(struct dirent *script_dirent, const char *suffix) 2946 { 2947 char *script_root, *str; 2948 2949 script_root = strdup(script_dirent->d_name); 2950 if (!script_root) 2951 return NULL; 2952 2953 str = (char *)ends_with(script_root, suffix); 2954 if (!str) { 2955 free(script_root); 2956 return NULL; 2957 } 2958 2959 *str = '\0'; 2960 return script_root; 2961 } 2962 list_available_scripts(const struct option * opt __maybe_unused,const char * s __maybe_unused,int unset __maybe_unused)2963 static int list_available_scripts(const struct option *opt __maybe_unused, 2964 const char *s __maybe_unused, 2965 int unset __maybe_unused) 2966 { 2967 struct dirent *script_dirent, *lang_dirent; 2968 char scripts_path[MAXPATHLEN]; 2969 DIR *scripts_dir, *lang_dir; 2970 char script_path[MAXPATHLEN]; 2971 char lang_path[MAXPATHLEN]; 2972 struct script_desc *desc; 2973 char first_half[BUFSIZ]; 2974 char *script_root; 2975 2976 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 2977 2978 scripts_dir = opendir(scripts_path); 2979 if (!scripts_dir) { 2980 fprintf(stdout, 2981 "open(%s) failed.\n" 2982 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n", 2983 scripts_path); 2984 exit(-1); 2985 } 2986 2987 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 2988 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 2989 lang_dirent->d_name); 2990 lang_dir = opendir(lang_path); 2991 if (!lang_dir) 2992 continue; 2993 2994 for_each_script(lang_path, lang_dir, script_dirent) { 2995 script_root = get_script_root(script_dirent, REPORT_SUFFIX); 2996 if (script_root) { 2997 desc = script_desc__findnew(script_root); 2998 scnprintf(script_path, MAXPATHLEN, "%s/%s", 2999 lang_path, script_dirent->d_name); 3000 read_script_info(desc, script_path); 3001 free(script_root); 3002 } 3003 } 3004 } 3005 3006 fprintf(stdout, "List of available trace scripts:\n"); 3007 list_for_each_entry(desc, &script_descs, node) { 3008 sprintf(first_half, "%s %s", desc->name, 3009 desc->args ? desc->args : ""); 3010 fprintf(stdout, " %-36s %s\n", first_half, 3011 desc->half_liner ? desc->half_liner : ""); 3012 } 3013 3014 exit(0); 3015 } 3016 3017 /* 3018 * Some scripts specify the required events in their "xxx-record" file, 3019 * this function will check if the events in perf.data match those 3020 * mentioned in the "xxx-record". 3021 * 3022 * Fixme: All existing "xxx-record" are all in good formats "-e event ", 3023 * which is covered well now. And new parsing code should be added to 3024 * cover the future complexing formats like event groups etc. 3025 */ check_ev_match(char * dir_name,char * scriptname,struct perf_session * session)3026 static int check_ev_match(char *dir_name, char *scriptname, 3027 struct perf_session *session) 3028 { 3029 char filename[MAXPATHLEN], evname[128]; 3030 char line[BUFSIZ], *p; 3031 struct evsel *pos; 3032 int match, len; 3033 FILE *fp; 3034 3035 scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname); 3036 3037 fp = fopen(filename, "r"); 3038 if (!fp) 3039 return -1; 3040 3041 while (fgets(line, sizeof(line), fp)) { 3042 p = skip_spaces(line); 3043 if (*p == '#') 3044 continue; 3045 3046 while (strlen(p)) { 3047 p = strstr(p, "-e"); 3048 if (!p) 3049 break; 3050 3051 p += 2; 3052 p = skip_spaces(p); 3053 len = strcspn(p, " \t"); 3054 if (!len) 3055 break; 3056 3057 snprintf(evname, len + 1, "%s", p); 3058 3059 match = 0; 3060 evlist__for_each_entry(session->evlist, pos) { 3061 if (!strcmp(perf_evsel__name(pos), evname)) { 3062 match = 1; 3063 break; 3064 } 3065 } 3066 3067 if (!match) { 3068 fclose(fp); 3069 return -1; 3070 } 3071 } 3072 } 3073 3074 fclose(fp); 3075 return 0; 3076 } 3077 3078 /* 3079 * Return -1 if none is found, otherwise the actual scripts number. 3080 * 3081 * Currently the only user of this function is the script browser, which 3082 * will list all statically runnable scripts, select one, execute it and 3083 * show the output in a perf browser. 3084 */ find_scripts(char ** scripts_array,char ** scripts_path_array,int num,int pathlen)3085 int find_scripts(char **scripts_array, char **scripts_path_array, int num, 3086 int pathlen) 3087 { 3088 struct dirent *script_dirent, *lang_dirent; 3089 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; 3090 DIR *scripts_dir, *lang_dir; 3091 struct perf_session *session; 3092 struct perf_data data = { 3093 .path = input_name, 3094 .mode = PERF_DATA_MODE_READ, 3095 }; 3096 char *temp; 3097 int i = 0; 3098 3099 session = perf_session__new(&data, false, NULL); 3100 if (IS_ERR(session)) 3101 return PTR_ERR(session); 3102 3103 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3104 3105 scripts_dir = opendir(scripts_path); 3106 if (!scripts_dir) { 3107 perf_session__delete(session); 3108 return -1; 3109 } 3110 3111 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3112 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, 3113 lang_dirent->d_name); 3114 #ifndef HAVE_LIBPERL_SUPPORT 3115 if (strstr(lang_path, "perl")) 3116 continue; 3117 #endif 3118 #ifndef HAVE_LIBPYTHON_SUPPORT 3119 if (strstr(lang_path, "python")) 3120 continue; 3121 #endif 3122 3123 lang_dir = opendir(lang_path); 3124 if (!lang_dir) 3125 continue; 3126 3127 for_each_script(lang_path, lang_dir, script_dirent) { 3128 /* Skip those real time scripts: xxxtop.p[yl] */ 3129 if (strstr(script_dirent->d_name, "top.")) 3130 continue; 3131 if (i >= num) 3132 break; 3133 snprintf(scripts_path_array[i], pathlen, "%s/%s", 3134 lang_path, 3135 script_dirent->d_name); 3136 temp = strchr(script_dirent->d_name, '.'); 3137 snprintf(scripts_array[i], 3138 (temp - script_dirent->d_name) + 1, 3139 "%s", script_dirent->d_name); 3140 3141 if (check_ev_match(lang_path, 3142 scripts_array[i], session)) 3143 continue; 3144 3145 i++; 3146 } 3147 closedir(lang_dir); 3148 } 3149 3150 closedir(scripts_dir); 3151 perf_session__delete(session); 3152 return i; 3153 } 3154 get_script_path(const char * script_root,const char * suffix)3155 static char *get_script_path(const char *script_root, const char *suffix) 3156 { 3157 struct dirent *script_dirent, *lang_dirent; 3158 char scripts_path[MAXPATHLEN]; 3159 char script_path[MAXPATHLEN]; 3160 DIR *scripts_dir, *lang_dir; 3161 char lang_path[MAXPATHLEN]; 3162 char *__script_root; 3163 3164 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3165 3166 scripts_dir = opendir(scripts_path); 3167 if (!scripts_dir) 3168 return NULL; 3169 3170 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3171 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3172 lang_dirent->d_name); 3173 lang_dir = opendir(lang_path); 3174 if (!lang_dir) 3175 continue; 3176 3177 for_each_script(lang_path, lang_dir, script_dirent) { 3178 __script_root = get_script_root(script_dirent, suffix); 3179 if (__script_root && !strcmp(script_root, __script_root)) { 3180 free(__script_root); 3181 closedir(lang_dir); 3182 closedir(scripts_dir); 3183 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3184 lang_path, script_dirent->d_name); 3185 return strdup(script_path); 3186 } 3187 free(__script_root); 3188 } 3189 closedir(lang_dir); 3190 } 3191 closedir(scripts_dir); 3192 3193 return NULL; 3194 } 3195 is_top_script(const char * script_path)3196 static bool is_top_script(const char *script_path) 3197 { 3198 return ends_with(script_path, "top") == NULL ? false : true; 3199 } 3200 has_required_arg(char * script_path)3201 static int has_required_arg(char *script_path) 3202 { 3203 struct script_desc *desc; 3204 int n_args = 0; 3205 char *p; 3206 3207 desc = script_desc__new(NULL); 3208 3209 if (read_script_info(desc, script_path)) 3210 goto out; 3211 3212 if (!desc->args) 3213 goto out; 3214 3215 for (p = desc->args; *p; p++) 3216 if (*p == '<') 3217 n_args++; 3218 out: 3219 script_desc__delete(desc); 3220 3221 return n_args; 3222 } 3223 have_cmd(int argc,const char ** argv)3224 static int have_cmd(int argc, const char **argv) 3225 { 3226 char **__argv = malloc(sizeof(const char *) * argc); 3227 3228 if (!__argv) { 3229 pr_err("malloc failed\n"); 3230 return -1; 3231 } 3232 3233 memcpy(__argv, argv, sizeof(const char *) * argc); 3234 argc = parse_options(argc, (const char **)__argv, record_options, 3235 NULL, PARSE_OPT_STOP_AT_NON_OPTION); 3236 free(__argv); 3237 3238 system_wide = (argc == 0); 3239 3240 return 0; 3241 } 3242 script__setup_sample_type(struct perf_script * script)3243 static void script__setup_sample_type(struct perf_script *script) 3244 { 3245 struct perf_session *session = script->session; 3246 u64 sample_type = perf_evlist__combined_sample_type(session->evlist); 3247 3248 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) { 3249 if ((sample_type & PERF_SAMPLE_REGS_USER) && 3250 (sample_type & PERF_SAMPLE_STACK_USER)) { 3251 callchain_param.record_mode = CALLCHAIN_DWARF; 3252 dwarf_callchain_users = true; 3253 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK) 3254 callchain_param.record_mode = CALLCHAIN_LBR; 3255 else 3256 callchain_param.record_mode = CALLCHAIN_FP; 3257 } 3258 } 3259 process_stat_round_event(struct perf_session * session,union perf_event * event)3260 static int process_stat_round_event(struct perf_session *session, 3261 union perf_event *event) 3262 { 3263 struct perf_record_stat_round *round = &event->stat_round; 3264 struct evsel *counter; 3265 3266 evlist__for_each_entry(session->evlist, counter) { 3267 perf_stat_process_counter(&stat_config, counter); 3268 process_stat(counter, round->time); 3269 } 3270 3271 process_stat_interval(round->time); 3272 return 0; 3273 } 3274 process_stat_config_event(struct perf_session * session __maybe_unused,union perf_event * event)3275 static int process_stat_config_event(struct perf_session *session __maybe_unused, 3276 union perf_event *event) 3277 { 3278 perf_event__read_stat_config(&stat_config, &event->stat_config); 3279 return 0; 3280 } 3281 set_maps(struct perf_script * script)3282 static int set_maps(struct perf_script *script) 3283 { 3284 struct evlist *evlist = script->session->evlist; 3285 3286 if (!script->cpus || !script->threads) 3287 return 0; 3288 3289 if (WARN_ONCE(script->allocated, "stats double allocation\n")) 3290 return -EINVAL; 3291 3292 perf_evlist__set_maps(&evlist->core, script->cpus, script->threads); 3293 3294 if (perf_evlist__alloc_stats(evlist, true)) 3295 return -ENOMEM; 3296 3297 script->allocated = true; 3298 return 0; 3299 } 3300 3301 static process_thread_map_event(struct perf_session * session,union perf_event * event)3302 int process_thread_map_event(struct perf_session *session, 3303 union perf_event *event) 3304 { 3305 struct perf_tool *tool = session->tool; 3306 struct perf_script *script = container_of(tool, struct perf_script, tool); 3307 3308 if (script->threads) { 3309 pr_warning("Extra thread map event, ignoring.\n"); 3310 return 0; 3311 } 3312 3313 script->threads = thread_map__new_event(&event->thread_map); 3314 if (!script->threads) 3315 return -ENOMEM; 3316 3317 return set_maps(script); 3318 } 3319 3320 static process_cpu_map_event(struct perf_session * session,union perf_event * event)3321 int process_cpu_map_event(struct perf_session *session, 3322 union perf_event *event) 3323 { 3324 struct perf_tool *tool = session->tool; 3325 struct perf_script *script = container_of(tool, struct perf_script, tool); 3326 3327 if (script->cpus) { 3328 pr_warning("Extra cpu map event, ignoring.\n"); 3329 return 0; 3330 } 3331 3332 script->cpus = cpu_map__new_data(&event->cpu_map.data); 3333 if (!script->cpus) 3334 return -ENOMEM; 3335 3336 return set_maps(script); 3337 } 3338 process_feature_event(struct perf_session * session,union perf_event * event)3339 static int process_feature_event(struct perf_session *session, 3340 union perf_event *event) 3341 { 3342 if (event->feat.feat_id < HEADER_LAST_FEATURE) 3343 return perf_event__process_feature(session, event); 3344 return 0; 3345 } 3346 3347 #ifdef HAVE_AUXTRACE_SUPPORT perf_script__process_auxtrace_info(struct perf_session * session,union perf_event * event)3348 static int perf_script__process_auxtrace_info(struct perf_session *session, 3349 union perf_event *event) 3350 { 3351 struct perf_tool *tool = session->tool; 3352 3353 int ret = perf_event__process_auxtrace_info(session, event); 3354 3355 if (ret == 0) { 3356 struct perf_script *script = container_of(tool, struct perf_script, tool); 3357 3358 ret = perf_script__setup_per_event_dump(script); 3359 } 3360 3361 return ret; 3362 } 3363 #else 3364 #define perf_script__process_auxtrace_info 0 3365 #endif 3366 parse_insn_trace(const struct option * opt __maybe_unused,const char * str __maybe_unused,int unset __maybe_unused)3367 static int parse_insn_trace(const struct option *opt __maybe_unused, 3368 const char *str __maybe_unused, 3369 int unset __maybe_unused) 3370 { 3371 parse_output_fields(NULL, "+insn,-event,-period", 0); 3372 itrace_parse_synth_opts(opt, "i0ns", 0); 3373 symbol_conf.nanosecs = true; 3374 return 0; 3375 } 3376 parse_xed(const struct option * opt __maybe_unused,const char * str __maybe_unused,int unset __maybe_unused)3377 static int parse_xed(const struct option *opt __maybe_unused, 3378 const char *str __maybe_unused, 3379 int unset __maybe_unused) 3380 { 3381 force_pager("xed -F insn: -A -64 | less"); 3382 return 0; 3383 } 3384 parse_call_trace(const struct option * opt __maybe_unused,const char * str __maybe_unused,int unset __maybe_unused)3385 static int parse_call_trace(const struct option *opt __maybe_unused, 3386 const char *str __maybe_unused, 3387 int unset __maybe_unused) 3388 { 3389 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0); 3390 itrace_parse_synth_opts(opt, "cewp", 0); 3391 symbol_conf.nanosecs = true; 3392 symbol_conf.pad_output_len_dso = 50; 3393 return 0; 3394 } 3395 parse_callret_trace(const struct option * opt __maybe_unused,const char * str __maybe_unused,int unset __maybe_unused)3396 static int parse_callret_trace(const struct option *opt __maybe_unused, 3397 const char *str __maybe_unused, 3398 int unset __maybe_unused) 3399 { 3400 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0); 3401 itrace_parse_synth_opts(opt, "crewp", 0); 3402 symbol_conf.nanosecs = true; 3403 return 0; 3404 } 3405 cmd_script(int argc,const char ** argv)3406 int cmd_script(int argc, const char **argv) 3407 { 3408 bool show_full_info = false; 3409 bool header = false; 3410 bool header_only = false; 3411 bool script_started = false; 3412 char *rec_script_path = NULL; 3413 char *rep_script_path = NULL; 3414 struct perf_session *session; 3415 struct itrace_synth_opts itrace_synth_opts = { 3416 .set = false, 3417 .default_no_sample = true, 3418 }; 3419 struct utsname uts; 3420 char *script_path = NULL; 3421 const char **__argv; 3422 int i, j, err = 0; 3423 struct perf_script script = { 3424 .tool = { 3425 .sample = process_sample_event, 3426 .mmap = perf_event__process_mmap, 3427 .mmap2 = perf_event__process_mmap2, 3428 .comm = perf_event__process_comm, 3429 .namespaces = perf_event__process_namespaces, 3430 .exit = perf_event__process_exit, 3431 .fork = perf_event__process_fork, 3432 .attr = process_attr, 3433 .event_update = perf_event__process_event_update, 3434 .tracing_data = perf_event__process_tracing_data, 3435 .feature = process_feature_event, 3436 .build_id = perf_event__process_build_id, 3437 .id_index = perf_event__process_id_index, 3438 .auxtrace_info = perf_script__process_auxtrace_info, 3439 .auxtrace = perf_event__process_auxtrace, 3440 .auxtrace_error = perf_event__process_auxtrace_error, 3441 .stat = perf_event__process_stat_event, 3442 .stat_round = process_stat_round_event, 3443 .stat_config = process_stat_config_event, 3444 .thread_map = process_thread_map_event, 3445 .cpu_map = process_cpu_map_event, 3446 .ordered_events = true, 3447 .ordering_requires_timestamps = true, 3448 }, 3449 }; 3450 struct perf_data data = { 3451 .mode = PERF_DATA_MODE_READ, 3452 }; 3453 const struct option options[] = { 3454 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 3455 "dump raw trace in ASCII"), 3456 OPT_INCR('v', "verbose", &verbose, 3457 "be more verbose (show symbol address, etc)"), 3458 OPT_BOOLEAN('L', "Latency", &latency_format, 3459 "show latency attributes (irqs/preemption disabled, etc)"), 3460 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", 3461 list_available_scripts), 3462 OPT_CALLBACK('s', "script", NULL, "name", 3463 "script file name (lang:script name, script name, or *)", 3464 parse_scriptname), 3465 OPT_STRING('g', "gen-script", &generate_script_lang, "lang", 3466 "generate perf-script.xx script in specified language"), 3467 OPT_STRING('i', "input", &input_name, "file", "input file name"), 3468 OPT_BOOLEAN('d', "debug-mode", &debug_mode, 3469 "do various checks like samples ordering and lost events"), 3470 OPT_BOOLEAN(0, "header", &header, "Show data header."), 3471 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."), 3472 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 3473 "file", "vmlinux pathname"), 3474 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 3475 "file", "kallsyms pathname"), 3476 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, 3477 "When printing symbols do not display call chain"), 3478 OPT_CALLBACK(0, "symfs", NULL, "directory", 3479 "Look for files with symbols relative to this directory", 3480 symbol__config_symfs), 3481 OPT_CALLBACK('F', "fields", NULL, "str", 3482 "comma separated output fields prepend with 'type:'. " 3483 "+field to add and -field to remove." 3484 "Valid types: hw,sw,trace,raw,synth. " 3485 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso," 3486 "addr,symoff,srcline,period,iregs,uregs,brstack," 3487 "brstacksym,flags,bpf-output,brstackinsn,brstackoff," 3488 "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc", 3489 parse_output_fields), 3490 OPT_BOOLEAN('a', "all-cpus", &system_wide, 3491 "system-wide collection from all CPUs"), 3492 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 3493 "only consider these symbols"), 3494 OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL, 3495 "Decode instructions from itrace", parse_insn_trace), 3496 OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL, 3497 "Run xed disassembler on output", parse_xed), 3498 OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL, 3499 "Decode calls from from itrace", parse_call_trace), 3500 OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL, 3501 "Decode calls and returns from itrace", parse_callret_trace), 3502 OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]", 3503 "Only print symbols and callees with --call-trace/--call-ret-trace"), 3504 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]", 3505 "Stop display of callgraph at these symbols"), 3506 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), 3507 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 3508 "only display events for these comms"), 3509 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 3510 "only consider symbols in these pids"), 3511 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 3512 "only consider symbols in these tids"), 3513 OPT_UINTEGER(0, "max-stack", &scripting_max_stack, 3514 "Set the maximum stack depth when parsing the callchain, " 3515 "anything beyond the specified depth will be ignored. " 3516 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 3517 OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"), 3518 OPT_BOOLEAN('I', "show-info", &show_full_info, 3519 "display extended information from perf.data file"), 3520 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, 3521 "Show the path of [kernel.kallsyms]"), 3522 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, 3523 "Show the fork/comm/exit events"), 3524 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, 3525 "Show the mmap events"), 3526 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events, 3527 "Show context switch events (if recorded)"), 3528 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events, 3529 "Show namespace events (if recorded)"), 3530 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events, 3531 "Show lost events (if recorded)"), 3532 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events, 3533 "Show round events (if recorded)"), 3534 OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events, 3535 "Show bpf related events (if recorded)"), 3536 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump, 3537 "Dump trace output to files named by the monitored events"), 3538 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 3539 OPT_INTEGER(0, "max-blocks", &max_blocks, 3540 "Maximum number of code blocks to dump with brstackinsn"), 3541 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, 3542 "Use 9 decimal places when displaying time"), 3543 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 3544 "Instruction Tracing options\n" ITRACE_HELP, 3545 itrace_parse_synth_opts), 3546 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 3547 "Show full source file name path for source lines"), 3548 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 3549 "Enable symbol demangling"), 3550 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 3551 "Enable kernel symbol demangling"), 3552 OPT_STRING(0, "time", &script.time_str, "str", 3553 "Time span of interest (start,stop)"), 3554 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 3555 "Show inline function"), 3556 OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory", 3557 "guest mount directory under which every guest os" 3558 " instance has a subdir"), 3559 OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name, 3560 "file", "file saving guest os vmlinux"), 3561 OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms, 3562 "file", "file saving guest os /proc/kallsyms"), 3563 OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules, 3564 "file", "file saving guest os /proc/modules"), 3565 OPTS_EVSWITCH(&script.evswitch), 3566 OPT_END() 3567 }; 3568 const char * const script_subcommands[] = { "record", "report", NULL }; 3569 const char *script_usage[] = { 3570 "perf script [<options>]", 3571 "perf script [<options>] record <script> [<record-options>] <command>", 3572 "perf script [<options>] report <script> [script-args]", 3573 "perf script [<options>] <script> [<record-options>] <command>", 3574 "perf script [<options>] <top-script> [script-args]", 3575 NULL 3576 }; 3577 3578 perf_set_singlethreaded(); 3579 3580 setup_scripting(); 3581 3582 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage, 3583 PARSE_OPT_STOP_AT_NON_OPTION); 3584 3585 if (symbol_conf.guestmount || 3586 symbol_conf.default_guest_vmlinux_name || 3587 symbol_conf.default_guest_kallsyms || 3588 symbol_conf.default_guest_modules) { 3589 /* 3590 * Enable guest sample processing. 3591 */ 3592 perf_guest = true; 3593 } 3594 3595 data.path = input_name; 3596 data.force = symbol_conf.force; 3597 3598 if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) { 3599 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); 3600 if (!rec_script_path) 3601 return cmd_record(argc, argv); 3602 } 3603 3604 if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) { 3605 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); 3606 if (!rep_script_path) { 3607 fprintf(stderr, 3608 "Please specify a valid report script" 3609 "(see 'perf script -l' for listing)\n"); 3610 return -1; 3611 } 3612 } 3613 3614 if (itrace_synth_opts.callchain && 3615 itrace_synth_opts.callchain_sz > scripting_max_stack) 3616 scripting_max_stack = itrace_synth_opts.callchain_sz; 3617 3618 /* make sure PERF_EXEC_PATH is set for scripts */ 3619 set_argv_exec_path(get_argv_exec_path()); 3620 3621 if (argc && !script_name && !rec_script_path && !rep_script_path) { 3622 int live_pipe[2]; 3623 int rep_args; 3624 pid_t pid; 3625 3626 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); 3627 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); 3628 3629 if (!rec_script_path && !rep_script_path) { 3630 usage_with_options_msg(script_usage, options, 3631 "Couldn't find script `%s'\n\n See perf" 3632 " script -l for available scripts.\n", argv[0]); 3633 } 3634 3635 if (is_top_script(argv[0])) { 3636 rep_args = argc - 1; 3637 } else { 3638 int rec_args; 3639 3640 rep_args = has_required_arg(rep_script_path); 3641 rec_args = (argc - 1) - rep_args; 3642 if (rec_args < 0) { 3643 usage_with_options_msg(script_usage, options, 3644 "`%s' script requires options." 3645 "\n\n See perf script -l for available " 3646 "scripts and options.\n", argv[0]); 3647 } 3648 } 3649 3650 if (pipe(live_pipe) < 0) { 3651 perror("failed to create pipe"); 3652 return -1; 3653 } 3654 3655 pid = fork(); 3656 if (pid < 0) { 3657 perror("failed to fork"); 3658 return -1; 3659 } 3660 3661 if (!pid) { 3662 j = 0; 3663 3664 dup2(live_pipe[1], 1); 3665 close(live_pipe[0]); 3666 3667 if (is_top_script(argv[0])) { 3668 system_wide = true; 3669 } else if (!system_wide) { 3670 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { 3671 err = -1; 3672 goto out; 3673 } 3674 } 3675 3676 __argv = malloc((argc + 6) * sizeof(const char *)); 3677 if (!__argv) { 3678 pr_err("malloc failed\n"); 3679 err = -ENOMEM; 3680 goto out; 3681 } 3682 3683 __argv[j++] = "/bin/sh"; 3684 __argv[j++] = rec_script_path; 3685 if (system_wide) 3686 __argv[j++] = "-a"; 3687 __argv[j++] = "-q"; 3688 __argv[j++] = "-o"; 3689 __argv[j++] = "-"; 3690 for (i = rep_args + 1; i < argc; i++) 3691 __argv[j++] = argv[i]; 3692 __argv[j++] = NULL; 3693 3694 execvp("/bin/sh", (char **)__argv); 3695 free(__argv); 3696 exit(-1); 3697 } 3698 3699 dup2(live_pipe[0], 0); 3700 close(live_pipe[1]); 3701 3702 __argv = malloc((argc + 4) * sizeof(const char *)); 3703 if (!__argv) { 3704 pr_err("malloc failed\n"); 3705 err = -ENOMEM; 3706 goto out; 3707 } 3708 3709 j = 0; 3710 __argv[j++] = "/bin/sh"; 3711 __argv[j++] = rep_script_path; 3712 for (i = 1; i < rep_args + 1; i++) 3713 __argv[j++] = argv[i]; 3714 __argv[j++] = "-i"; 3715 __argv[j++] = "-"; 3716 __argv[j++] = NULL; 3717 3718 execvp("/bin/sh", (char **)__argv); 3719 free(__argv); 3720 exit(-1); 3721 } 3722 3723 if (rec_script_path) 3724 script_path = rec_script_path; 3725 if (rep_script_path) 3726 script_path = rep_script_path; 3727 3728 if (script_path) { 3729 j = 0; 3730 3731 if (!rec_script_path) 3732 system_wide = false; 3733 else if (!system_wide) { 3734 if (have_cmd(argc - 1, &argv[1]) != 0) { 3735 err = -1; 3736 goto out; 3737 } 3738 } 3739 3740 __argv = malloc((argc + 2) * sizeof(const char *)); 3741 if (!__argv) { 3742 pr_err("malloc failed\n"); 3743 err = -ENOMEM; 3744 goto out; 3745 } 3746 3747 __argv[j++] = "/bin/sh"; 3748 __argv[j++] = script_path; 3749 if (system_wide) 3750 __argv[j++] = "-a"; 3751 for (i = 2; i < argc; i++) 3752 __argv[j++] = argv[i]; 3753 __argv[j++] = NULL; 3754 3755 execvp("/bin/sh", (char **)__argv); 3756 free(__argv); 3757 exit(-1); 3758 } 3759 3760 if (!script_name) { 3761 setup_pager(); 3762 use_browser = 0; 3763 } 3764 3765 session = perf_session__new(&data, false, &script.tool); 3766 if (IS_ERR(session)) 3767 return PTR_ERR(session); 3768 3769 if (header || header_only) { 3770 script.tool.show_feat_hdr = SHOW_FEAT_HEADER; 3771 perf_session__fprintf_info(session, stdout, show_full_info); 3772 if (header_only) 3773 goto out_delete; 3774 } 3775 if (show_full_info) 3776 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 3777 3778 if (symbol__init(&session->header.env) < 0) 3779 goto out_delete; 3780 3781 uname(&uts); 3782 if (data.is_pipe) { /* Assume pipe_mode indicates native_arch */ 3783 native_arch = true; 3784 } else if (session->header.env.arch) { 3785 if (!strcmp(uts.machine, session->header.env.arch)) 3786 native_arch = true; 3787 else if (!strcmp(uts.machine, "x86_64") && 3788 !strcmp(session->header.env.arch, "i386")) 3789 native_arch = true; 3790 } 3791 3792 script.session = session; 3793 script__setup_sample_type(&script); 3794 3795 if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) || 3796 symbol_conf.graph_function) 3797 itrace_synth_opts.thread_stack = true; 3798 3799 session->itrace_synth_opts = &itrace_synth_opts; 3800 3801 if (cpu_list) { 3802 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap); 3803 if (err < 0) 3804 goto out_delete; 3805 itrace_synth_opts.cpu_bitmap = cpu_bitmap; 3806 } 3807 3808 if (!no_callchain) 3809 symbol_conf.use_callchain = true; 3810 else 3811 symbol_conf.use_callchain = false; 3812 3813 if (session->tevent.pevent && 3814 tep_set_function_resolver(session->tevent.pevent, 3815 machine__resolve_kernel_addr, 3816 &session->machines.host) < 0) { 3817 pr_err("%s: failed to set libtraceevent function resolver\n", __func__); 3818 err = -1; 3819 goto out_delete; 3820 } 3821 3822 if (generate_script_lang) { 3823 struct stat perf_stat; 3824 int input; 3825 3826 if (output_set_by_user()) { 3827 fprintf(stderr, 3828 "custom fields not supported for generated scripts"); 3829 err = -EINVAL; 3830 goto out_delete; 3831 } 3832 3833 input = open(data.path, O_RDONLY); /* input_name */ 3834 if (input < 0) { 3835 err = -errno; 3836 perror("failed to open file"); 3837 goto out_delete; 3838 } 3839 3840 err = fstat(input, &perf_stat); 3841 if (err < 0) { 3842 perror("failed to stat file"); 3843 goto out_delete; 3844 } 3845 3846 if (!perf_stat.st_size) { 3847 fprintf(stderr, "zero-sized file, nothing to do!\n"); 3848 goto out_delete; 3849 } 3850 3851 scripting_ops = script_spec__lookup(generate_script_lang); 3852 if (!scripting_ops) { 3853 fprintf(stderr, "invalid language specifier"); 3854 err = -ENOENT; 3855 goto out_delete; 3856 } 3857 3858 err = scripting_ops->generate_script(session->tevent.pevent, 3859 "perf-script"); 3860 goto out_delete; 3861 } 3862 3863 if (script_name) { 3864 err = scripting_ops->start_script(script_name, argc, argv); 3865 if (err) 3866 goto out_delete; 3867 pr_debug("perf script started with script %s\n\n", script_name); 3868 script_started = true; 3869 } 3870 3871 3872 err = perf_session__check_output_opt(session); 3873 if (err < 0) 3874 goto out_delete; 3875 3876 if (script.time_str) { 3877 err = perf_time__parse_for_ranges_reltime(script.time_str, session, 3878 &script.ptime_range, 3879 &script.range_size, 3880 &script.range_num, 3881 reltime); 3882 if (err < 0) 3883 goto out_delete; 3884 3885 itrace_synth_opts__set_time_range(&itrace_synth_opts, 3886 script.ptime_range, 3887 script.range_num); 3888 } 3889 3890 err = evswitch__init(&script.evswitch, session->evlist, stderr); 3891 if (err) 3892 goto out_delete; 3893 3894 err = __cmd_script(&script); 3895 3896 flush_scripting(); 3897 3898 out_delete: 3899 if (script.ptime_range) { 3900 itrace_synth_opts__clear_time_range(&itrace_synth_opts); 3901 zfree(&script.ptime_range); 3902 } 3903 3904 perf_evlist__free_stats(session->evlist); 3905 perf_session__delete(session); 3906 perf_script__exit(&script); 3907 3908 if (script_started) 3909 cleanup_scripting(); 3910 out: 3911 return err; 3912 } 3913