1 // SPDX-License-Identifier: GPL-2.0 2 #include "builtin.h" 3 4 #include "util/counts.h" 5 #include "util/debug.h" 6 #include "util/dso.h" 7 #include <subcmd/exec-cmd.h> 8 #include "util/header.h" 9 #include <subcmd/parse-options.h> 10 #include "util/perf_regs.h" 11 #include "util/session.h" 12 #include "util/tool.h" 13 #include "util/map.h" 14 #include "util/srcline.h" 15 #include "util/symbol.h" 16 #include "util/thread.h" 17 #include "util/trace-event.h" 18 #include "util/env.h" 19 #include "util/evlist.h" 20 #include "util/evsel.h" 21 #include "util/evsel_fprintf.h" 22 #include "util/evswitch.h" 23 #include "util/sort.h" 24 #include "util/data.h" 25 #include "util/auxtrace.h" 26 #include "util/cpumap.h" 27 #include "util/thread_map.h" 28 #include "util/stat.h" 29 #include "util/color.h" 30 #include "util/string2.h" 31 #include "util/thread-stack.h" 32 #include "util/time-utils.h" 33 #include "util/path.h" 34 #include "util/event.h" 35 #include "util/mem-info.h" 36 #include "ui/ui.h" 37 #include "print_binary.h" 38 #include "print_insn.h" 39 #include "archinsn.h" 40 #include <linux/bitmap.h> 41 #include <linux/compiler.h> 42 #include <linux/kernel.h> 43 #include <linux/stringify.h> 44 #include <linux/time64.h> 45 #include <linux/zalloc.h> 46 #include <sys/utsname.h> 47 #include "asm/bug.h" 48 #include "util/mem-events.h" 49 #include "util/dump-insn.h" 50 #include <dirent.h> 51 #include <errno.h> 52 #include <inttypes.h> 53 #include <signal.h> 54 #include <stdio.h> 55 #include <sys/param.h> 56 #include <sys/types.h> 57 #include <sys/stat.h> 58 #include <fcntl.h> 59 #include <unistd.h> 60 #include <subcmd/pager.h> 61 #include <perf/evlist.h> 62 #include <linux/err.h> 63 #include "util/dlfilter.h" 64 #include "util/record.h" 65 #include "util/util.h" 66 #include "util/cgroup.h" 67 #include "util/annotate.h" 68 #include "perf.h" 69 70 #include <linux/ctype.h> 71 #ifdef HAVE_LIBTRACEEVENT 72 #include <event-parse.h> 73 #endif 74 75 static char const *script_name; 76 static char const *generate_script_lang; 77 static bool reltime; 78 static bool deltatime; 79 static u64 initial_time; 80 static u64 previous_time; 81 static bool debug_mode; 82 static u64 last_timestamp; 83 static u64 nr_unordered; 84 static bool no_callchain; 85 static bool latency_format; 86 static bool system_wide; 87 static bool print_flags; 88 static const char *cpu_list; 89 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); 90 static int max_blocks; 91 static bool native_arch; 92 static struct dlfilter *dlfilter; 93 static int dlargc; 94 static char **dlargv; 95 96 enum perf_output_field { 97 PERF_OUTPUT_COMM = 1ULL << 0, 98 PERF_OUTPUT_TID = 1ULL << 1, 99 PERF_OUTPUT_PID = 1ULL << 2, 100 PERF_OUTPUT_TIME = 1ULL << 3, 101 PERF_OUTPUT_CPU = 1ULL << 4, 102 PERF_OUTPUT_EVNAME = 1ULL << 5, 103 PERF_OUTPUT_TRACE = 1ULL << 6, 104 PERF_OUTPUT_IP = 1ULL << 7, 105 PERF_OUTPUT_SYM = 1ULL << 8, 106 PERF_OUTPUT_DSO = 1ULL << 9, 107 PERF_OUTPUT_ADDR = 1ULL << 10, 108 PERF_OUTPUT_SYMOFFSET = 1ULL << 11, 109 PERF_OUTPUT_SRCLINE = 1ULL << 12, 110 PERF_OUTPUT_PERIOD = 1ULL << 13, 111 PERF_OUTPUT_IREGS = 1ULL << 14, 112 PERF_OUTPUT_BRSTACK = 1ULL << 15, 113 PERF_OUTPUT_BRSTACKSYM = 1ULL << 16, 114 PERF_OUTPUT_DATA_SRC = 1ULL << 17, 115 PERF_OUTPUT_WEIGHT = 1ULL << 18, 116 PERF_OUTPUT_BPF_OUTPUT = 1ULL << 19, 117 PERF_OUTPUT_CALLINDENT = 1ULL << 20, 118 PERF_OUTPUT_INSN = 1ULL << 21, 119 PERF_OUTPUT_INSNLEN = 1ULL << 22, 120 PERF_OUTPUT_BRSTACKINSN = 1ULL << 23, 121 PERF_OUTPUT_BRSTACKOFF = 1ULL << 24, 122 PERF_OUTPUT_SYNTH = 1ULL << 25, 123 PERF_OUTPUT_PHYS_ADDR = 1ULL << 26, 124 PERF_OUTPUT_UREGS = 1ULL << 27, 125 PERF_OUTPUT_METRIC = 1ULL << 28, 126 PERF_OUTPUT_MISC = 1ULL << 29, 127 PERF_OUTPUT_SRCCODE = 1ULL << 30, 128 PERF_OUTPUT_IPC = 1ULL << 31, 129 PERF_OUTPUT_TOD = 1ULL << 32, 130 PERF_OUTPUT_DATA_PAGE_SIZE = 1ULL << 33, 131 PERF_OUTPUT_CODE_PAGE_SIZE = 1ULL << 34, 132 PERF_OUTPUT_INS_LAT = 1ULL << 35, 133 PERF_OUTPUT_BRSTACKINSNLEN = 1ULL << 36, 134 PERF_OUTPUT_MACHINE_PID = 1ULL << 37, 135 PERF_OUTPUT_VCPU = 1ULL << 38, 136 PERF_OUTPUT_CGROUP = 1ULL << 39, 137 PERF_OUTPUT_RETIRE_LAT = 1ULL << 40, 138 PERF_OUTPUT_DSOFF = 1ULL << 41, 139 PERF_OUTPUT_DISASM = 1ULL << 42, 140 PERF_OUTPUT_BRSTACKDISASM = 1ULL << 43, 141 PERF_OUTPUT_BRCNTR = 1ULL << 44, 142 }; 143 144 struct perf_script { 145 struct perf_tool tool; 146 struct perf_session *session; 147 bool show_task_events; 148 bool show_mmap_events; 149 bool show_switch_events; 150 bool show_namespace_events; 151 bool show_lost_events; 152 bool show_round_events; 153 bool show_bpf_events; 154 bool show_cgroup_events; 155 bool show_text_poke_events; 156 bool allocated; 157 bool per_event_dump; 158 bool stitch_lbr; 159 struct evswitch evswitch; 160 struct perf_cpu_map *cpus; 161 struct perf_thread_map *threads; 162 int name_width; 163 const char *time_str; 164 struct perf_time_interval *ptime_range; 165 int range_size; 166 int range_num; 167 }; 168 169 struct output_option { 170 const char *str; 171 enum perf_output_field field; 172 } all_output_options[] = { 173 {.str = "comm", .field = PERF_OUTPUT_COMM}, 174 {.str = "tid", .field = PERF_OUTPUT_TID}, 175 {.str = "pid", .field = PERF_OUTPUT_PID}, 176 {.str = "time", .field = PERF_OUTPUT_TIME}, 177 {.str = "cpu", .field = PERF_OUTPUT_CPU}, 178 {.str = "event", .field = PERF_OUTPUT_EVNAME}, 179 {.str = "trace", .field = PERF_OUTPUT_TRACE}, 180 {.str = "ip", .field = PERF_OUTPUT_IP}, 181 {.str = "sym", .field = PERF_OUTPUT_SYM}, 182 {.str = "dso", .field = PERF_OUTPUT_DSO}, 183 {.str = "dsoff", .field = PERF_OUTPUT_DSOFF}, 184 {.str = "addr", .field = PERF_OUTPUT_ADDR}, 185 {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET}, 186 {.str = "srcline", .field = PERF_OUTPUT_SRCLINE}, 187 {.str = "period", .field = PERF_OUTPUT_PERIOD}, 188 {.str = "iregs", .field = PERF_OUTPUT_IREGS}, 189 {.str = "uregs", .field = PERF_OUTPUT_UREGS}, 190 {.str = "brstack", .field = PERF_OUTPUT_BRSTACK}, 191 {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM}, 192 {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC}, 193 {.str = "weight", .field = PERF_OUTPUT_WEIGHT}, 194 {.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT}, 195 {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT}, 196 {.str = "insn", .field = PERF_OUTPUT_INSN}, 197 {.str = "disasm", .field = PERF_OUTPUT_DISASM}, 198 {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN}, 199 {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN}, 200 {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF}, 201 {.str = "synth", .field = PERF_OUTPUT_SYNTH}, 202 {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR}, 203 {.str = "metric", .field = PERF_OUTPUT_METRIC}, 204 {.str = "misc", .field = PERF_OUTPUT_MISC}, 205 {.str = "srccode", .field = PERF_OUTPUT_SRCCODE}, 206 {.str = "ipc", .field = PERF_OUTPUT_IPC}, 207 {.str = "tod", .field = PERF_OUTPUT_TOD}, 208 {.str = "data_page_size", .field = PERF_OUTPUT_DATA_PAGE_SIZE}, 209 {.str = "code_page_size", .field = PERF_OUTPUT_CODE_PAGE_SIZE}, 210 {.str = "ins_lat", .field = PERF_OUTPUT_INS_LAT}, 211 {.str = "brstackinsnlen", .field = PERF_OUTPUT_BRSTACKINSNLEN}, 212 {.str = "machine_pid", .field = PERF_OUTPUT_MACHINE_PID}, 213 {.str = "vcpu", .field = PERF_OUTPUT_VCPU}, 214 {.str = "cgroup", .field = PERF_OUTPUT_CGROUP}, 215 {.str = "retire_lat", .field = PERF_OUTPUT_RETIRE_LAT}, 216 {.str = "brstackdisasm", .field = PERF_OUTPUT_BRSTACKDISASM}, 217 {.str = "brcntr", .field = PERF_OUTPUT_BRCNTR}, 218 }; 219 220 enum { 221 OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX, 222 OUTPUT_TYPE_OTHER, 223 OUTPUT_TYPE_MAX 224 }; 225 226 // We need to refactor the evsel->priv use in in 'perf script' to allow for 227 // using that area, that is being used only in some cases. 228 #define OUTPUT_TYPE_UNSET -1 229 230 /* default set to maintain compatibility with current format */ 231 static struct { 232 bool user_set; 233 bool wildcard_set; 234 unsigned int print_ip_opts; 235 u64 fields; 236 u64 invalid_fields; 237 u64 user_set_fields; 238 u64 user_unset_fields; 239 } output[OUTPUT_TYPE_MAX] = { 240 241 [PERF_TYPE_HARDWARE] = { 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_PERIOD, 249 250 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 251 }, 252 253 [PERF_TYPE_SOFTWARE] = { 254 .user_set = false, 255 256 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 257 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 258 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 259 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 260 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 261 PERF_OUTPUT_BPF_OUTPUT, 262 263 .invalid_fields = PERF_OUTPUT_TRACE, 264 }, 265 266 [PERF_TYPE_TRACEPOINT] = { 267 .user_set = false, 268 269 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 270 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 271 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE 272 }, 273 274 [PERF_TYPE_HW_CACHE] = { 275 .user_set = false, 276 277 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 278 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 279 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 280 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 281 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 282 283 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 284 }, 285 286 [PERF_TYPE_RAW] = { 287 .user_set = false, 288 289 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 290 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 291 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 292 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 293 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 294 PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC | 295 PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR | 296 PERF_OUTPUT_DATA_PAGE_SIZE | PERF_OUTPUT_CODE_PAGE_SIZE | 297 PERF_OUTPUT_INS_LAT | PERF_OUTPUT_RETIRE_LAT, 298 299 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 300 }, 301 302 [PERF_TYPE_BREAKPOINT] = { 303 .user_set = false, 304 305 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 306 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 307 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 308 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 309 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 310 311 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 312 }, 313 314 [OUTPUT_TYPE_SYNTH] = { 315 .user_set = false, 316 317 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 318 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 319 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 320 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 321 PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH, 322 323 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 324 }, 325 326 [OUTPUT_TYPE_OTHER] = { 327 .user_set = false, 328 329 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 330 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 331 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 332 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 333 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 334 335 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 336 }, 337 }; 338 339 struct evsel_script { 340 char *filename; 341 FILE *fp; 342 u64 samples; 343 /* For metric output */ 344 u64 val; 345 int gnum; 346 }; 347 348 static inline struct evsel_script *evsel_script(struct evsel *evsel) 349 { 350 return (struct evsel_script *)evsel->priv; 351 } 352 353 static struct evsel_script *evsel_script__new(struct evsel *evsel, struct perf_data *data) 354 { 355 struct evsel_script *es = zalloc(sizeof(*es)); 356 357 if (es != NULL) { 358 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0) 359 goto out_free; 360 es->fp = fopen(es->filename, "w"); 361 if (es->fp == NULL) 362 goto out_free_filename; 363 } 364 365 return es; 366 out_free_filename: 367 zfree(&es->filename); 368 out_free: 369 free(es); 370 return NULL; 371 } 372 373 static void evsel_script__delete(struct evsel_script *es) 374 { 375 zfree(&es->filename); 376 fclose(es->fp); 377 es->fp = NULL; 378 free(es); 379 } 380 381 static int evsel_script__fprintf(struct evsel_script *es, FILE *fp) 382 { 383 struct stat st; 384 385 fstat(fileno(es->fp), &st); 386 return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n", 387 st.st_size / 1024.0 / 1024.0, es->filename, es->samples); 388 } 389 390 static inline int output_type(unsigned int type) 391 { 392 switch (type) { 393 case PERF_TYPE_SYNTH: 394 return OUTPUT_TYPE_SYNTH; 395 default: 396 if (type < PERF_TYPE_MAX) 397 return type; 398 } 399 400 return OUTPUT_TYPE_OTHER; 401 } 402 403 static inline int evsel__output_type(struct evsel *evsel) 404 { 405 int type = evsel->script_output_type; 406 407 if (type == OUTPUT_TYPE_UNSET) { 408 type = output_type(evsel->core.attr.type); 409 if (type == OUTPUT_TYPE_OTHER) { 410 struct perf_pmu *pmu = evsel__find_pmu(evsel); 411 412 if (pmu && pmu->is_core) 413 type = PERF_TYPE_RAW; 414 } 415 evsel->script_output_type = type; 416 } 417 418 return type; 419 } 420 421 static bool output_set_by_user(void) 422 { 423 int j; 424 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 425 if (output[j].user_set) 426 return true; 427 } 428 return false; 429 } 430 431 static const char *output_field2str(enum perf_output_field field) 432 { 433 int i, imax = ARRAY_SIZE(all_output_options); 434 const char *str = ""; 435 436 for (i = 0; i < imax; ++i) { 437 if (all_output_options[i].field == field) { 438 str = all_output_options[i].str; 439 break; 440 } 441 } 442 return str; 443 } 444 445 #define PRINT_FIELD(x) (output[evsel__output_type(evsel)].fields & PERF_OUTPUT_##x) 446 447 static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg, 448 enum perf_output_field field, bool allow_user_set) 449 { 450 struct perf_event_attr *attr = &evsel->core.attr; 451 int type = evsel__output_type(evsel); 452 const char *evname; 453 454 if (attr->sample_type & sample_type) 455 return 0; 456 457 if (output[type].user_set_fields & field) { 458 if (allow_user_set) 459 return 0; 460 evname = evsel__name(evsel); 461 pr_err("Samples for '%s' event do not have %s attribute set. " 462 "Cannot print '%s' field.\n", 463 evname, sample_msg, output_field2str(field)); 464 return -1; 465 } 466 467 /* user did not ask for it explicitly so remove from the default list */ 468 output[type].fields &= ~field; 469 evname = evsel__name(evsel); 470 pr_debug("Samples for '%s' event do not have %s attribute set. " 471 "Skipping '%s' field.\n", 472 evname, sample_msg, output_field2str(field)); 473 474 return 0; 475 } 476 477 static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg, 478 enum perf_output_field field) 479 { 480 return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false); 481 } 482 483 static int evsel__check_attr(struct evsel *evsel, struct perf_session *session) 484 { 485 bool allow_user_set; 486 487 if (evsel__is_dummy_event(evsel)) 488 return 0; 489 490 if (perf_header__has_feat(&session->header, HEADER_STAT)) 491 return 0; 492 493 allow_user_set = perf_header__has_feat(&session->header, 494 HEADER_AUXTRACE); 495 496 if (PRINT_FIELD(TRACE) && 497 !perf_session__has_traces(session, "record -R")) 498 return -EINVAL; 499 500 if (PRINT_FIELD(IP)) { 501 if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP)) 502 return -EINVAL; 503 } 504 505 if (PRINT_FIELD(ADDR) && 506 evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set)) 507 return -EINVAL; 508 509 if (PRINT_FIELD(DATA_SRC) && 510 evsel__do_check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC, allow_user_set)) 511 return -EINVAL; 512 513 if (PRINT_FIELD(WEIGHT) && 514 evsel__do_check_stype(evsel, PERF_SAMPLE_WEIGHT_TYPE, "WEIGHT", PERF_OUTPUT_WEIGHT, allow_user_set)) 515 return -EINVAL; 516 517 if (PRINT_FIELD(SYM) && 518 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 519 pr_err("Display of symbols requested but neither sample IP nor " 520 "sample address\navailable. Hence, no addresses to convert " 521 "to symbols.\n"); 522 return -EINVAL; 523 } 524 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) { 525 pr_err("Display of offsets requested but symbol is not" 526 "selected.\n"); 527 return -EINVAL; 528 } 529 if (PRINT_FIELD(DSO) && 530 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 531 pr_err("Display of DSO requested but no address to convert.\n"); 532 return -EINVAL; 533 } 534 if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) { 535 pr_err("Display of source line number requested but sample IP is not\n" 536 "selected. Hence, no address to lookup the source line number.\n"); 537 return -EINVAL; 538 } 539 if ((PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN) || PRINT_FIELD(BRSTACKDISASM)) 540 && !allow_user_set && 541 !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) { 542 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n" 543 "Hint: run 'perf record -b ...'\n"); 544 return -EINVAL; 545 } 546 if (PRINT_FIELD(BRCNTR) && 547 !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_COUNTERS)) { 548 pr_err("Display of branch counter requested but it's not enabled\n" 549 "Hint: run 'perf record -j any,counter ...'\n"); 550 return -EINVAL; 551 } 552 if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) && 553 evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID)) 554 return -EINVAL; 555 556 if (PRINT_FIELD(TIME) && 557 evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME)) 558 return -EINVAL; 559 560 if (PRINT_FIELD(CPU) && 561 evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set)) 562 return -EINVAL; 563 564 if (PRINT_FIELD(IREGS) && 565 evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set)) 566 return -EINVAL; 567 568 if (PRINT_FIELD(UREGS) && 569 evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS)) 570 return -EINVAL; 571 572 if (PRINT_FIELD(PHYS_ADDR) && 573 evsel__do_check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR, allow_user_set)) 574 return -EINVAL; 575 576 if (PRINT_FIELD(DATA_PAGE_SIZE) && 577 evsel__check_stype(evsel, PERF_SAMPLE_DATA_PAGE_SIZE, "DATA_PAGE_SIZE", PERF_OUTPUT_DATA_PAGE_SIZE)) 578 return -EINVAL; 579 580 if (PRINT_FIELD(CODE_PAGE_SIZE) && 581 evsel__check_stype(evsel, PERF_SAMPLE_CODE_PAGE_SIZE, "CODE_PAGE_SIZE", PERF_OUTPUT_CODE_PAGE_SIZE)) 582 return -EINVAL; 583 584 if (PRINT_FIELD(INS_LAT) && 585 evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_INS_LAT)) 586 return -EINVAL; 587 588 if (PRINT_FIELD(CGROUP) && 589 evsel__check_stype(evsel, PERF_SAMPLE_CGROUP, "CGROUP", PERF_OUTPUT_CGROUP)) { 590 pr_err("Hint: run 'perf record --all-cgroups ...'\n"); 591 return -EINVAL; 592 } 593 594 if (PRINT_FIELD(RETIRE_LAT) && 595 evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_RETIRE_LAT)) 596 return -EINVAL; 597 598 return 0; 599 } 600 601 static void evsel__set_print_ip_opts(struct evsel *evsel) 602 { 603 unsigned int type = evsel__output_type(evsel); 604 605 output[type].print_ip_opts = 0; 606 if (PRINT_FIELD(IP)) 607 output[type].print_ip_opts |= EVSEL__PRINT_IP; 608 609 if (PRINT_FIELD(SYM)) 610 output[type].print_ip_opts |= EVSEL__PRINT_SYM; 611 612 if (PRINT_FIELD(DSO)) 613 output[type].print_ip_opts |= EVSEL__PRINT_DSO; 614 615 if (PRINT_FIELD(DSOFF)) 616 output[type].print_ip_opts |= EVSEL__PRINT_DSOFF; 617 618 if (PRINT_FIELD(SYMOFFSET)) 619 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET; 620 621 if (PRINT_FIELD(SRCLINE)) 622 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE; 623 } 624 625 static struct evsel *find_first_output_type(struct evlist *evlist, 626 unsigned int type) 627 { 628 struct evsel *evsel; 629 630 evlist__for_each_entry(evlist, evsel) { 631 if (evsel__is_dummy_event(evsel)) 632 continue; 633 if (evsel__output_type(evsel) == (int)type) 634 return evsel; 635 } 636 return NULL; 637 } 638 639 /* 640 * verify all user requested events exist and the samples 641 * have the expected data 642 */ 643 static int perf_session__check_output_opt(struct perf_session *session) 644 { 645 bool tod = false; 646 unsigned int j; 647 struct evsel *evsel; 648 649 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 650 evsel = find_first_output_type(session->evlist, j); 651 652 /* 653 * even if fields is set to 0 (ie., show nothing) event must 654 * exist if user explicitly includes it on the command line 655 */ 656 if (!evsel && output[j].user_set && !output[j].wildcard_set && 657 j != OUTPUT_TYPE_SYNTH) { 658 pr_err("%s events do not exist. " 659 "Remove corresponding -F option to proceed.\n", 660 event_type(j)); 661 return -1; 662 } 663 664 if (evsel && output[j].fields && 665 evsel__check_attr(evsel, session)) 666 return -1; 667 668 if (evsel == NULL) 669 continue; 670 671 /* 'dsoff' implys 'dso' field */ 672 if (output[j].fields & PERF_OUTPUT_DSOFF) 673 output[j].fields |= PERF_OUTPUT_DSO; 674 675 evsel__set_print_ip_opts(evsel); 676 tod |= output[j].fields & PERF_OUTPUT_TOD; 677 } 678 679 if (!no_callchain) { 680 bool use_callchain = false; 681 bool not_pipe = false; 682 683 evlist__for_each_entry(session->evlist, evsel) { 684 not_pipe = true; 685 if (evsel__has_callchain(evsel) || evsel__is_offcpu_event(evsel)) { 686 use_callchain = true; 687 break; 688 } 689 } 690 if (not_pipe && !use_callchain) 691 symbol_conf.use_callchain = false; 692 } 693 694 /* 695 * set default for tracepoints to print symbols only 696 * if callchains are present 697 */ 698 if (symbol_conf.use_callchain && 699 !output[PERF_TYPE_TRACEPOINT].user_set) { 700 j = PERF_TYPE_TRACEPOINT; 701 702 evlist__for_each_entry(session->evlist, evsel) { 703 if (evsel->core.attr.type != j) 704 continue; 705 706 if (evsel__has_callchain(evsel)) { 707 output[j].fields |= PERF_OUTPUT_IP; 708 output[j].fields |= PERF_OUTPUT_SYM; 709 output[j].fields |= PERF_OUTPUT_SYMOFFSET; 710 output[j].fields |= PERF_OUTPUT_DSO; 711 evsel__set_print_ip_opts(evsel); 712 goto out; 713 } 714 } 715 } 716 717 if (tod && !perf_session__env(session)->clock.enabled) { 718 pr_err("Can't provide 'tod' time, missing clock data. " 719 "Please record with -k/--clockid option.\n"); 720 return -1; 721 } 722 out: 723 return 0; 724 } 725 726 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask, const char *arch, 727 FILE *fp) 728 { 729 unsigned i = 0, r; 730 int printed = 0; 731 732 if (!regs || !regs->regs) 733 return 0; 734 735 printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi); 736 737 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) { 738 u64 val = regs->regs[i++]; 739 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r, arch), val); 740 } 741 742 return printed; 743 } 744 745 #define DEFAULT_TOD_FMT "%F %H:%M:%S" 746 747 static char* 748 tod_scnprintf(struct perf_script *script, char *buf, int buflen, 749 u64 timestamp) 750 { 751 u64 tod_ns, clockid_ns; 752 struct perf_env *env; 753 unsigned long nsec; 754 struct tm ltime; 755 char date[64]; 756 time_t sec; 757 758 buf[0] = '\0'; 759 if (buflen < 64 || !script) 760 return buf; 761 762 env = perf_session__env(script->session); 763 if (!env->clock.enabled) { 764 scnprintf(buf, buflen, "disabled"); 765 return buf; 766 } 767 768 clockid_ns = env->clock.clockid_ns; 769 tod_ns = env->clock.tod_ns; 770 771 if (timestamp > clockid_ns) 772 tod_ns += timestamp - clockid_ns; 773 else 774 tod_ns -= clockid_ns - timestamp; 775 776 sec = (time_t) (tod_ns / NSEC_PER_SEC); 777 nsec = tod_ns - sec * NSEC_PER_SEC; 778 779 if (localtime_r(&sec, <ime) == NULL) { 780 scnprintf(buf, buflen, "failed"); 781 } else { 782 strftime(date, sizeof(date), DEFAULT_TOD_FMT, <ime); 783 784 if (symbol_conf.nanosecs) { 785 snprintf(buf, buflen, "%s.%09lu", date, nsec); 786 } else { 787 snprintf(buf, buflen, "%s.%06lu", 788 date, nsec / NSEC_PER_USEC); 789 } 790 } 791 792 return buf; 793 } 794 795 static int perf_sample__fprintf_iregs(struct perf_sample *sample, 796 struct perf_event_attr *attr, const char *arch, FILE *fp) 797 { 798 if (!sample->intr_regs) 799 return 0; 800 801 return perf_sample__fprintf_regs(perf_sample__intr_regs(sample), 802 attr->sample_regs_intr, arch, fp); 803 } 804 805 static int perf_sample__fprintf_uregs(struct perf_sample *sample, 806 struct perf_event_attr *attr, const char *arch, FILE *fp) 807 { 808 if (!sample->user_regs) 809 return 0; 810 811 return perf_sample__fprintf_regs(perf_sample__user_regs(sample), 812 attr->sample_regs_user, arch, fp); 813 } 814 815 static int perf_sample__fprintf_start(struct perf_script *script, 816 struct perf_sample *sample, 817 struct thread *thread, 818 struct evsel *evsel, 819 u32 type, FILE *fp) 820 { 821 unsigned long secs; 822 unsigned long long nsecs; 823 int printed = 0; 824 char tstr[128]; 825 826 /* 827 * Print the branch counter's abbreviation list, 828 * if the branch counter is available. 829 */ 830 if (PRINT_FIELD(BRCNTR) && !verbose) { 831 char *buf; 832 833 if (!annotation_br_cntr_abbr_list(&buf, evsel, true)) { 834 printed += fprintf(stdout, "%s", buf); 835 free(buf); 836 } 837 } 838 839 if (PRINT_FIELD(MACHINE_PID) && sample->machine_pid) 840 printed += fprintf(fp, "VM:%5d ", sample->machine_pid); 841 842 /* Print VCPU only for guest events i.e. with machine_pid */ 843 if (PRINT_FIELD(VCPU) && sample->machine_pid) 844 printed += fprintf(fp, "VCPU:%03d ", sample->vcpu); 845 846 if (PRINT_FIELD(COMM)) { 847 const char *comm = thread ? thread__comm_str(thread) : ":-1"; 848 849 if (latency_format) 850 printed += fprintf(fp, "%8.8s ", comm); 851 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain) 852 printed += fprintf(fp, "%s ", comm); 853 else 854 printed += fprintf(fp, "%16s ", comm); 855 } 856 857 if (PRINT_FIELD(PID) && PRINT_FIELD(TID)) 858 printed += fprintf(fp, "%7d/%-7d ", sample->pid, sample->tid); 859 else if (PRINT_FIELD(PID)) 860 printed += fprintf(fp, "%7d ", sample->pid); 861 else if (PRINT_FIELD(TID)) 862 printed += fprintf(fp, "%7d ", sample->tid); 863 864 if (PRINT_FIELD(CPU)) { 865 if (latency_format) 866 printed += fprintf(fp, "%3d ", sample->cpu); 867 else 868 printed += fprintf(fp, "[%03d] ", sample->cpu); 869 } 870 871 if (PRINT_FIELD(MISC)) { 872 int ret = 0; 873 874 #define has(m) \ 875 (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m 876 877 if (has(KERNEL)) 878 ret += fprintf(fp, "K"); 879 if (has(USER)) 880 ret += fprintf(fp, "U"); 881 if (has(HYPERVISOR)) 882 ret += fprintf(fp, "H"); 883 if (has(GUEST_KERNEL)) 884 ret += fprintf(fp, "G"); 885 if (has(GUEST_USER)) 886 ret += fprintf(fp, "g"); 887 888 switch (type) { 889 case PERF_RECORD_MMAP: 890 case PERF_RECORD_MMAP2: 891 if (has(MMAP_DATA)) 892 ret += fprintf(fp, "M"); 893 break; 894 case PERF_RECORD_COMM: 895 if (has(COMM_EXEC)) 896 ret += fprintf(fp, "E"); 897 break; 898 case PERF_RECORD_SWITCH: 899 case PERF_RECORD_SWITCH_CPU_WIDE: 900 if (has(SWITCH_OUT)) { 901 ret += fprintf(fp, "S"); 902 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT) 903 ret += fprintf(fp, "p"); 904 } 905 default: 906 break; 907 } 908 909 #undef has 910 911 ret += fprintf(fp, "%*s", 6 - ret, " "); 912 printed += ret; 913 } 914 915 if (PRINT_FIELD(TOD)) { 916 tod_scnprintf(script, tstr, sizeof(tstr), sample->time); 917 printed += fprintf(fp, "%s ", tstr); 918 } 919 920 if (PRINT_FIELD(TIME)) { 921 u64 t = sample->time; 922 if (reltime) { 923 if (!initial_time) 924 initial_time = sample->time; 925 t = sample->time - initial_time; 926 } else if (deltatime) { 927 if (previous_time) 928 t = sample->time - previous_time; 929 else { 930 t = 0; 931 } 932 previous_time = sample->time; 933 } 934 nsecs = t; 935 secs = nsecs / NSEC_PER_SEC; 936 nsecs -= secs * NSEC_PER_SEC; 937 938 if (symbol_conf.nanosecs) 939 printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs); 940 else { 941 char sample_time[32]; 942 timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time)); 943 printed += fprintf(fp, "%12s: ", sample_time); 944 } 945 } 946 947 return printed; 948 } 949 950 static inline size_t 951 bstack_event_str(struct branch_entry *br, char *buf, size_t sz) 952 { 953 if (!(br->flags.mispred || br->flags.predicted || br->flags.not_taken)) 954 return snprintf(buf, sz, "-"); 955 956 return snprintf(buf, sz, "%s%s", 957 br->flags.predicted ? "P" : "M", 958 br->flags.not_taken ? "N" : ""); 959 } 960 961 static int print_bstack_flags(FILE *fp, struct branch_entry *br) 962 { 963 char events[16] = { 0 }; 964 size_t pos; 965 966 pos = bstack_event_str(br, events, sizeof(events)); 967 return fprintf(fp, "/%s/%c/%c/%d/%s/%s ", 968 pos < 0 ? "-" : events, 969 br->flags.in_tx ? 'X' : '-', 970 br->flags.abort ? 'A' : '-', 971 br->flags.cycles, 972 get_branch_type(br), 973 br->flags.spec ? branch_spec_desc(br->flags.spec) : "-"); 974 } 975 976 static int perf_sample__fprintf_brstack(struct perf_sample *sample, 977 struct thread *thread, 978 struct evsel *evsel, FILE *fp) 979 { 980 struct branch_stack *br = sample->branch_stack; 981 struct branch_entry *entries = perf_sample__branch_entries(sample); 982 u64 i, from, to; 983 int printed = 0; 984 985 if (!(br && br->nr)) 986 return 0; 987 988 for (i = 0; i < br->nr; i++) { 989 from = entries[i].from; 990 to = entries[i].to; 991 992 printed += fprintf(fp, " 0x%"PRIx64, from); 993 if (PRINT_FIELD(DSO)) { 994 struct addr_location alf, alt; 995 996 addr_location__init(&alf); 997 addr_location__init(&alt); 998 thread__find_map_fb(thread, sample->cpumode, from, &alf); 999 thread__find_map_fb(thread, sample->cpumode, to, &alt); 1000 1001 printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp); 1002 printed += fprintf(fp, "/0x%"PRIx64, to); 1003 printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp); 1004 addr_location__exit(&alt); 1005 addr_location__exit(&alf); 1006 } else 1007 printed += fprintf(fp, "/0x%"PRIx64, to); 1008 1009 printed += print_bstack_flags(fp, entries + i); 1010 } 1011 1012 return printed; 1013 } 1014 1015 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample, 1016 struct thread *thread, 1017 struct evsel *evsel, FILE *fp) 1018 { 1019 struct branch_stack *br = sample->branch_stack; 1020 struct branch_entry *entries = perf_sample__branch_entries(sample); 1021 u64 i, from, to; 1022 int printed = 0; 1023 1024 if (!(br && br->nr)) 1025 return 0; 1026 1027 for (i = 0; i < br->nr; i++) { 1028 struct addr_location alf, alt; 1029 1030 addr_location__init(&alf); 1031 addr_location__init(&alt); 1032 from = entries[i].from; 1033 to = entries[i].to; 1034 1035 thread__find_symbol_fb(thread, sample->cpumode, from, &alf); 1036 thread__find_symbol_fb(thread, sample->cpumode, to, &alt); 1037 1038 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp); 1039 if (PRINT_FIELD(DSO)) 1040 printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp); 1041 printed += fprintf(fp, "%c", '/'); 1042 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp); 1043 if (PRINT_FIELD(DSO)) 1044 printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp); 1045 printed += print_bstack_flags(fp, entries + i); 1046 addr_location__exit(&alt); 1047 addr_location__exit(&alf); 1048 } 1049 1050 return printed; 1051 } 1052 1053 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample, 1054 struct thread *thread, 1055 struct evsel *evsel, FILE *fp) 1056 { 1057 struct branch_stack *br = sample->branch_stack; 1058 struct branch_entry *entries = perf_sample__branch_entries(sample); 1059 u64 i, from, to; 1060 int printed = 0; 1061 1062 if (!(br && br->nr)) 1063 return 0; 1064 1065 for (i = 0; i < br->nr; i++) { 1066 struct addr_location alf, alt; 1067 1068 addr_location__init(&alf); 1069 addr_location__init(&alt); 1070 from = entries[i].from; 1071 to = entries[i].to; 1072 1073 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) && 1074 !dso__adjust_symbols(map__dso(alf.map))) 1075 from = map__dso_map_ip(alf.map, from); 1076 1077 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) && 1078 !dso__adjust_symbols(map__dso(alt.map))) 1079 to = map__dso_map_ip(alt.map, to); 1080 1081 printed += fprintf(fp, " 0x%"PRIx64, from); 1082 if (PRINT_FIELD(DSO)) 1083 printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp); 1084 printed += fprintf(fp, "/0x%"PRIx64, to); 1085 if (PRINT_FIELD(DSO)) 1086 printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp); 1087 printed += print_bstack_flags(fp, entries + i); 1088 addr_location__exit(&alt); 1089 addr_location__exit(&alf); 1090 } 1091 1092 return printed; 1093 } 1094 #define MAXBB 16384UL 1095 1096 static int grab_bb(u8 *buffer, u64 start, u64 end, 1097 struct machine *machine, struct thread *thread, 1098 bool *is64bit, u8 *cpumode, bool last) 1099 { 1100 long offset, len; 1101 struct addr_location al; 1102 bool kernel; 1103 struct dso *dso; 1104 int ret = 0; 1105 1106 if (!start || !end) 1107 return 0; 1108 1109 kernel = machine__kernel_ip(machine, start); 1110 if (kernel) 1111 *cpumode = PERF_RECORD_MISC_KERNEL; 1112 else 1113 *cpumode = PERF_RECORD_MISC_USER; 1114 1115 /* 1116 * Block overlaps between kernel and user. 1117 * This can happen due to ring filtering 1118 * On Intel CPUs the entry into the kernel is filtered, 1119 * but the exit is not. Let the caller patch it up. 1120 */ 1121 if (kernel != machine__kernel_ip(machine, end)) { 1122 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end); 1123 return -ENXIO; 1124 } 1125 1126 if (end - start > MAXBB - MAXINSN) { 1127 if (last) 1128 pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end); 1129 else 1130 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start); 1131 return 0; 1132 } 1133 1134 addr_location__init(&al); 1135 if (!thread__find_map(thread, *cpumode, start, &al) || (dso = map__dso(al.map)) == NULL) { 1136 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 1137 goto out; 1138 } 1139 if (dso__data(dso)->status == DSO_DATA_STATUS_ERROR) { 1140 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 1141 goto out; 1142 } 1143 1144 /* Load maps to ensure dso->is_64_bit has been updated */ 1145 map__load(al.map); 1146 1147 offset = map__map_ip(al.map, start); 1148 len = dso__data_read_offset(dso, machine, offset, (u8 *)buffer, 1149 end - start + MAXINSN); 1150 1151 *is64bit = dso__is_64_bit(dso); 1152 if (len <= 0) 1153 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n", 1154 start, end); 1155 ret = len; 1156 out: 1157 addr_location__exit(&al); 1158 return ret; 1159 } 1160 1161 static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state) 1162 { 1163 char *srcfile; 1164 int ret = 0; 1165 unsigned line; 1166 int len; 1167 char *srccode; 1168 struct dso *dso; 1169 1170 if (!map || (dso = map__dso(map)) == NULL) 1171 return 0; 1172 srcfile = get_srcline_split(dso, 1173 map__rip_2objdump(map, addr), 1174 &line); 1175 if (!srcfile) 1176 return 0; 1177 1178 /* Avoid redundant printing */ 1179 if (state && 1180 state->srcfile && 1181 !strcmp(state->srcfile, srcfile) && 1182 state->line == line) { 1183 free(srcfile); 1184 return 0; 1185 } 1186 1187 srccode = find_sourceline(srcfile, line, &len); 1188 if (!srccode) 1189 goto out_free_line; 1190 1191 ret = fprintf(fp, "|%-8d %.*s", line, len, srccode); 1192 1193 if (state) { 1194 state->srcfile = srcfile; 1195 state->line = line; 1196 } 1197 return ret; 1198 1199 out_free_line: 1200 free(srcfile); 1201 return ret; 1202 } 1203 1204 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr) 1205 { 1206 struct addr_location al; 1207 int ret = 0; 1208 1209 addr_location__init(&al); 1210 thread__find_map(thread, cpumode, addr, &al); 1211 if (!al.map) 1212 goto out; 1213 ret = map__fprintf_srccode(al.map, al.addr, stdout, 1214 thread__srccode_state(thread)); 1215 if (ret) 1216 ret += printf("\n"); 1217 out: 1218 addr_location__exit(&al); 1219 return ret; 1220 } 1221 1222 static int any_dump_insn(struct evsel *evsel __maybe_unused, 1223 struct perf_insn *x, uint64_t ip, 1224 u8 *inbuf, int inlen, int *lenp, 1225 FILE *fp) 1226 { 1227 #ifdef HAVE_LIBCAPSTONE_SUPPORT 1228 if (PRINT_FIELD(BRSTACKDISASM)) { 1229 int printed = fprintf_insn_asm(x->machine, x->thread, x->cpumode, x->is64bit, 1230 (uint8_t *)inbuf, inlen, ip, lenp, 1231 PRINT_INSN_IMM_HEX, fp); 1232 1233 if (printed > 0) 1234 return printed; 1235 } 1236 #endif 1237 return fprintf(fp, "%s", dump_insn(x, ip, inbuf, inlen, lenp)); 1238 } 1239 1240 static int add_padding(FILE *fp, int printed, int padding) 1241 { 1242 if (printed >= 0 && printed < padding) 1243 printed += fprintf(fp, "%*s", padding - printed, ""); 1244 return printed; 1245 } 1246 1247 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en, 1248 struct perf_insn *x, u8 *inbuf, int len, 1249 int insn, FILE *fp, int *total_cycles, 1250 struct evsel *evsel, 1251 struct thread *thread, 1252 u64 br_cntr) 1253 { 1254 int ilen = 0; 1255 int printed = fprintf(fp, "\t%016" PRIx64 "\t", ip); 1256 1257 printed += add_padding(fp, any_dump_insn(evsel, x, ip, inbuf, len, &ilen, fp), 30); 1258 printed += fprintf(fp, "\t"); 1259 1260 if (PRINT_FIELD(BRSTACKINSNLEN)) 1261 printed += fprintf(fp, "ilen: %d\t", ilen); 1262 1263 if (PRINT_FIELD(SRCLINE)) { 1264 struct addr_location al; 1265 1266 addr_location__init(&al); 1267 thread__find_map(thread, x->cpumode, ip, &al); 1268 printed += map__fprintf_srcline(al.map, al.addr, " srcline: ", fp); 1269 printed += fprintf(fp, "\t"); 1270 addr_location__exit(&al); 1271 } 1272 1273 if (PRINT_FIELD(BRCNTR)) { 1274 struct evsel *pos = evsel__leader(evsel); 1275 unsigned int i = 0, j, num, mask, width; 1276 1277 perf_env__find_br_cntr_info(evsel__env(evsel), NULL, &width); 1278 mask = (1L << width) - 1; 1279 printed += fprintf(fp, "br_cntr: "); 1280 evlist__for_each_entry_from(evsel->evlist, pos) { 1281 if (!(pos->core.attr.branch_sample_type & PERF_SAMPLE_BRANCH_COUNTERS)) 1282 continue; 1283 if (evsel__leader(pos) != evsel__leader(evsel)) 1284 break; 1285 1286 num = (br_cntr >> (i++ * width)) & mask; 1287 if (!verbose) { 1288 for (j = 0; j < num; j++) 1289 printed += fprintf(fp, "%s", pos->abbr_name); 1290 } else 1291 printed += fprintf(fp, "%s %d ", pos->name, num); 1292 } 1293 printed += fprintf(fp, "\t"); 1294 } 1295 1296 printed += fprintf(fp, "#%s%s%s%s", 1297 en->flags.predicted ? " PRED" : "", 1298 en->flags.mispred ? " MISPRED" : "", 1299 en->flags.in_tx ? " INTX" : "", 1300 en->flags.abort ? " ABORT" : ""); 1301 if (en->flags.cycles) { 1302 *total_cycles += en->flags.cycles; 1303 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles); 1304 if (insn) 1305 printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles); 1306 } 1307 1308 return printed + fprintf(fp, "\n"); 1309 } 1310 1311 static int ip__fprintf_sym(uint64_t addr, struct thread *thread, 1312 u8 cpumode, int cpu, struct symbol **lastsym, 1313 struct evsel *evsel, FILE *fp) 1314 { 1315 struct addr_location al; 1316 int off, printed = 0, ret = 0; 1317 1318 addr_location__init(&al); 1319 thread__find_map(thread, cpumode, addr, &al); 1320 1321 if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end) 1322 goto out; 1323 1324 al.cpu = cpu; 1325 al.sym = NULL; 1326 if (al.map) 1327 al.sym = map__find_symbol(al.map, al.addr); 1328 1329 if (!al.sym) 1330 goto out; 1331 1332 if (al.addr < al.sym->end) 1333 off = al.addr - al.sym->start; 1334 else 1335 off = al.addr - map__start(al.map) - al.sym->start; 1336 printed += fprintf(fp, "\t%s", al.sym->name); 1337 if (off) 1338 printed += fprintf(fp, "%+d", off); 1339 printed += fprintf(fp, ":"); 1340 if (PRINT_FIELD(SRCLINE)) 1341 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp); 1342 printed += fprintf(fp, "\n"); 1343 *lastsym = al.sym; 1344 1345 ret = printed; 1346 out: 1347 addr_location__exit(&al); 1348 return ret; 1349 } 1350 1351 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample, 1352 struct evsel *evsel, 1353 struct thread *thread, 1354 struct perf_event_attr *attr, 1355 struct machine *machine, FILE *fp) 1356 { 1357 struct branch_stack *br = sample->branch_stack; 1358 struct branch_entry *entries = perf_sample__branch_entries(sample); 1359 u64 start, end; 1360 int i, insn, len, nr, ilen, printed = 0; 1361 struct perf_insn x; 1362 u8 buffer[MAXBB]; 1363 unsigned off; 1364 struct symbol *lastsym = NULL; 1365 int total_cycles = 0; 1366 u64 br_cntr = 0; 1367 1368 if (!(br && br->nr)) 1369 return 0; 1370 nr = br->nr; 1371 if (max_blocks && nr > max_blocks + 1) 1372 nr = max_blocks + 1; 1373 1374 x.thread = thread; 1375 x.machine = machine; 1376 x.cpu = sample->cpu; 1377 1378 if (PRINT_FIELD(BRCNTR) && sample->branch_stack_cntr) 1379 br_cntr = sample->branch_stack_cntr[nr - 1]; 1380 1381 printed += fprintf(fp, "%c", '\n'); 1382 1383 /* Handle first from jump, of which we don't know the entry. */ 1384 len = grab_bb(buffer, entries[nr-1].from, 1385 entries[nr-1].from, 1386 machine, thread, &x.is64bit, &x.cpumode, false); 1387 if (len > 0) { 1388 printed += ip__fprintf_sym(entries[nr - 1].from, thread, 1389 x.cpumode, x.cpu, &lastsym, evsel, fp); 1390 printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1], 1391 &x, buffer, len, 0, fp, &total_cycles, 1392 evsel, thread, br_cntr); 1393 if (PRINT_FIELD(SRCCODE)) 1394 printed += print_srccode(thread, x.cpumode, entries[nr - 1].from); 1395 } 1396 1397 /* Print all blocks */ 1398 for (i = nr - 2; i >= 0; i--) { 1399 if (entries[i].from || entries[i].to) 1400 pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i, 1401 entries[i].from, 1402 entries[i].to); 1403 start = entries[i + 1].to; 1404 end = entries[i].from; 1405 1406 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1407 /* Patch up missing kernel transfers due to ring filters */ 1408 if (len == -ENXIO && i > 0) { 1409 end = entries[--i].from; 1410 pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end); 1411 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1412 } 1413 if (len <= 0) 1414 continue; 1415 1416 insn = 0; 1417 for (off = 0; off < (unsigned)len; off += ilen) { 1418 uint64_t ip = start + off; 1419 1420 printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, evsel, fp); 1421 if (ip == end) { 1422 if (PRINT_FIELD(BRCNTR) && sample->branch_stack_cntr) 1423 br_cntr = sample->branch_stack_cntr[i]; 1424 printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp, 1425 &total_cycles, evsel, thread, br_cntr); 1426 if (PRINT_FIELD(SRCCODE)) 1427 printed += print_srccode(thread, x.cpumode, ip); 1428 break; 1429 } else { 1430 ilen = 0; 1431 printed += fprintf(fp, "\t%016" PRIx64 "\t", ip); 1432 printed += any_dump_insn(evsel, &x, ip, buffer + off, len - off, &ilen, fp); 1433 if (PRINT_FIELD(BRSTACKINSNLEN)) 1434 printed += fprintf(fp, "\tilen: %d", ilen); 1435 printed += fprintf(fp, "\n"); 1436 if (ilen == 0) 1437 break; 1438 if (PRINT_FIELD(SRCCODE)) 1439 print_srccode(thread, x.cpumode, ip); 1440 insn++; 1441 } 1442 } 1443 if (off != end - start) 1444 printed += fprintf(fp, "\tmismatch of LBR data and executable\n"); 1445 } 1446 1447 /* 1448 * Hit the branch? In this case we are already done, and the target 1449 * has not been executed yet. 1450 */ 1451 if (entries[0].from == sample->ip) 1452 goto out; 1453 if (entries[0].flags.abort) 1454 goto out; 1455 1456 /* 1457 * Print final block up to sample 1458 * 1459 * Due to pipeline delays the LBRs might be missing a branch 1460 * or two, which can result in very large or negative blocks 1461 * between final branch and sample. When this happens just 1462 * continue walking after the last TO. 1463 */ 1464 start = entries[0].to; 1465 end = sample->ip; 1466 if (end < start) { 1467 /* Missing jump. Scan 128 bytes for the next branch */ 1468 end = start + 128; 1469 } 1470 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true); 1471 printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, evsel, fp); 1472 if (len <= 0) { 1473 /* Print at least last IP if basic block did not work */ 1474 len = grab_bb(buffer, sample->ip, sample->ip, 1475 machine, thread, &x.is64bit, &x.cpumode, false); 1476 if (len <= 0) 1477 goto out; 1478 ilen = 0; 1479 printed += fprintf(fp, "\t%016" PRIx64 "\t", sample->ip); 1480 printed += any_dump_insn(evsel, &x, sample->ip, buffer, len, &ilen, fp); 1481 if (PRINT_FIELD(BRSTACKINSNLEN)) 1482 printed += fprintf(fp, "\tilen: %d", ilen); 1483 printed += fprintf(fp, "\n"); 1484 if (PRINT_FIELD(SRCCODE)) 1485 print_srccode(thread, x.cpumode, sample->ip); 1486 goto out; 1487 } 1488 for (off = 0; off <= end - start; off += ilen) { 1489 ilen = 0; 1490 printed += fprintf(fp, "\t%016" PRIx64 "\t", start + off); 1491 printed += any_dump_insn(evsel, &x, start + off, buffer + off, len - off, &ilen, fp); 1492 if (PRINT_FIELD(BRSTACKINSNLEN)) 1493 printed += fprintf(fp, "\tilen: %d", ilen); 1494 printed += fprintf(fp, "\n"); 1495 if (ilen == 0) 1496 break; 1497 if ((attr->branch_sample_type == 0 || attr->branch_sample_type & PERF_SAMPLE_BRANCH_ANY) 1498 && arch_is_uncond_branch(buffer + off, len - off, x.is64bit) 1499 && start + off != sample->ip) { 1500 /* 1501 * Hit a missing branch. Just stop. 1502 */ 1503 printed += fprintf(fp, "\t... not reaching sample ...\n"); 1504 break; 1505 } 1506 if (PRINT_FIELD(SRCCODE)) 1507 print_srccode(thread, x.cpumode, start + off); 1508 } 1509 out: 1510 return printed; 1511 } 1512 1513 static int perf_sample__fprintf_addr(struct perf_sample *sample, 1514 struct thread *thread, 1515 struct evsel *evsel, FILE *fp) 1516 { 1517 struct addr_location al; 1518 int printed = fprintf(fp, "%16" PRIx64, sample->addr); 1519 1520 addr_location__init(&al); 1521 if (!sample_addr_correlates_sym(&evsel->core.attr)) 1522 goto out; 1523 1524 thread__resolve(thread, &al, sample); 1525 1526 if (PRINT_FIELD(SYM)) { 1527 printed += fprintf(fp, " "); 1528 if (PRINT_FIELD(SYMOFFSET)) 1529 printed += symbol__fprintf_symname_offs(al.sym, &al, fp); 1530 else 1531 printed += symbol__fprintf_symname(al.sym, fp); 1532 } 1533 1534 if (PRINT_FIELD(DSO)) 1535 printed += map__fprintf_dsoname_dsoff(al.map, PRINT_FIELD(DSOFF), al.addr, fp); 1536 out: 1537 addr_location__exit(&al); 1538 return printed; 1539 } 1540 1541 static const char *resolve_branch_sym(struct perf_sample *sample, 1542 struct evsel *evsel, 1543 struct thread *thread, 1544 struct addr_location *al, 1545 struct addr_location *addr_al, 1546 u64 *ip) 1547 { 1548 const char *name = NULL; 1549 1550 if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) { 1551 if (sample_addr_correlates_sym(&evsel->core.attr)) { 1552 if (!addr_al->thread) 1553 thread__resolve(thread, addr_al, sample); 1554 if (addr_al->sym) 1555 name = addr_al->sym->name; 1556 else 1557 *ip = sample->addr; 1558 } else { 1559 *ip = sample->addr; 1560 } 1561 } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) { 1562 if (al->sym) 1563 name = al->sym->name; 1564 else 1565 *ip = sample->ip; 1566 } 1567 return name; 1568 } 1569 1570 static int perf_sample__fprintf_callindent(struct perf_sample *sample, 1571 struct evsel *evsel, 1572 struct thread *thread, 1573 struct addr_location *al, 1574 struct addr_location *addr_al, 1575 FILE *fp) 1576 { 1577 size_t depth = thread_stack__depth(thread, sample->cpu); 1578 const char *name = NULL; 1579 static int spacing; 1580 int len = 0; 1581 int dlen = 0; 1582 u64 ip = 0; 1583 1584 /* 1585 * The 'return' has already been popped off the stack so the depth has 1586 * to be adjusted to match the 'call'. 1587 */ 1588 if (thread__ts(thread) && sample->flags & PERF_IP_FLAG_RETURN) 1589 depth += 1; 1590 1591 name = resolve_branch_sym(sample, evsel, thread, al, addr_al, &ip); 1592 1593 if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) { 1594 dlen += fprintf(fp, "("); 1595 dlen += map__fprintf_dsoname(al->map, fp); 1596 dlen += fprintf(fp, ")\t"); 1597 } 1598 1599 if (name) 1600 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name); 1601 else if (ip) 1602 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip); 1603 1604 if (len < 0) 1605 return len; 1606 1607 /* 1608 * Try to keep the output length from changing frequently so that the 1609 * output lines up more nicely. 1610 */ 1611 if (len > spacing || (len && len < spacing - 52)) 1612 spacing = round_up(len + 4, 32); 1613 1614 if (len < spacing) 1615 len += fprintf(fp, "%*s", spacing - len, ""); 1616 1617 return len + dlen; 1618 } 1619 1620 static int perf_sample__fprintf_insn(struct perf_sample *sample, 1621 struct evsel *evsel, 1622 struct perf_event_attr *attr, 1623 struct thread *thread, 1624 struct machine *machine, FILE *fp, 1625 struct addr_location *al) 1626 { 1627 int printed = 0; 1628 1629 script_fetch_insn(sample, thread, machine, native_arch); 1630 1631 if (PRINT_FIELD(INSNLEN)) 1632 printed += fprintf(fp, " ilen: %d", sample->insn_len); 1633 if (PRINT_FIELD(INSN) && sample->insn_len) { 1634 printed += fprintf(fp, " insn: "); 1635 printed += sample__fprintf_insn_raw(sample, fp); 1636 } 1637 if (PRINT_FIELD(DISASM) && sample->insn_len) { 1638 printed += fprintf(fp, "\t\t"); 1639 printed += sample__fprintf_insn_asm(sample, thread, machine, fp, al); 1640 } 1641 if (PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN) || PRINT_FIELD(BRSTACKDISASM)) 1642 printed += perf_sample__fprintf_brstackinsn(sample, evsel, thread, attr, machine, fp); 1643 1644 return printed; 1645 } 1646 1647 static int perf_sample__fprintf_ipc(struct perf_sample *sample, 1648 struct evsel *evsel, FILE *fp) 1649 { 1650 unsigned int ipc; 1651 1652 if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt) 1653 return 0; 1654 1655 ipc = (sample->insn_cnt * 100) / sample->cyc_cnt; 1656 1657 return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ", 1658 ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt); 1659 } 1660 1661 static int perf_sample__fprintf_bts(struct perf_sample *sample, 1662 struct evsel *evsel, 1663 struct thread *thread, 1664 struct addr_location *al, 1665 struct addr_location *addr_al, 1666 struct machine *machine, FILE *fp) 1667 { 1668 struct perf_event_attr *attr = &evsel->core.attr; 1669 unsigned int type = evsel__output_type(evsel); 1670 bool print_srcline_last = false; 1671 int printed = 0; 1672 1673 if (PRINT_FIELD(CALLINDENT)) 1674 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, addr_al, fp); 1675 1676 /* print branch_from information */ 1677 if (PRINT_FIELD(IP)) { 1678 unsigned int print_opts = output[type].print_ip_opts; 1679 struct callchain_cursor *cursor = NULL; 1680 1681 if (symbol_conf.use_callchain && sample->callchain) { 1682 cursor = get_tls_callchain_cursor(); 1683 if (thread__resolve_callchain(al->thread, cursor, evsel, 1684 sample, NULL, NULL, 1685 scripting_max_stack)) 1686 cursor = NULL; 1687 } 1688 if (cursor == NULL) { 1689 printed += fprintf(fp, " "); 1690 if (print_opts & EVSEL__PRINT_SRCLINE) { 1691 print_srcline_last = true; 1692 print_opts &= ~EVSEL__PRINT_SRCLINE; 1693 } 1694 } else 1695 printed += fprintf(fp, "\n"); 1696 1697 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, 1698 symbol_conf.bt_stop_list, fp); 1699 } 1700 1701 /* print branch_to information */ 1702 if (PRINT_FIELD(ADDR) || 1703 ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 1704 !output[type].user_set)) { 1705 printed += fprintf(fp, " => "); 1706 printed += perf_sample__fprintf_addr(sample, thread, evsel, fp); 1707 } 1708 1709 printed += perf_sample__fprintf_ipc(sample, evsel, fp); 1710 1711 if (print_srcline_last) 1712 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp); 1713 1714 printed += perf_sample__fprintf_insn(sample, evsel, attr, thread, machine, fp, al); 1715 printed += fprintf(fp, "\n"); 1716 if (PRINT_FIELD(SRCCODE)) { 1717 int ret = map__fprintf_srccode(al->map, al->addr, stdout, 1718 thread__srccode_state(thread)); 1719 if (ret) { 1720 printed += ret; 1721 printed += printf("\n"); 1722 } 1723 } 1724 return printed; 1725 } 1726 1727 static int perf_sample__fprintf_flags(u32 flags, FILE *fp) 1728 { 1729 char str[SAMPLE_FLAGS_BUF_SIZE]; 1730 int ret; 1731 1732 ret = perf_sample__sprintf_flags(flags, str, sizeof(str)); 1733 if (ret < 0) 1734 return fprintf(fp, " raw flags:0x%-*x ", 1735 SAMPLE_FLAGS_STR_ALIGNED_SIZE - 12, flags); 1736 1737 return fprintf(fp, " %-*s ", SAMPLE_FLAGS_STR_ALIGNED_SIZE, str); 1738 } 1739 1740 struct printer_data { 1741 int line_no; 1742 bool hit_nul; 1743 bool is_printable; 1744 }; 1745 1746 static int sample__fprintf_bpf_output(enum binary_printer_ops op, 1747 unsigned int val, 1748 void *extra, FILE *fp) 1749 { 1750 unsigned char ch = (unsigned char)val; 1751 struct printer_data *printer_data = extra; 1752 int printed = 0; 1753 1754 switch (op) { 1755 case BINARY_PRINT_DATA_BEGIN: 1756 printed += fprintf(fp, "\n"); 1757 break; 1758 case BINARY_PRINT_LINE_BEGIN: 1759 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" : 1760 " "); 1761 break; 1762 case BINARY_PRINT_ADDR: 1763 printed += fprintf(fp, " %04x:", val); 1764 break; 1765 case BINARY_PRINT_NUM_DATA: 1766 printed += fprintf(fp, " %02x", val); 1767 break; 1768 case BINARY_PRINT_NUM_PAD: 1769 printed += fprintf(fp, " "); 1770 break; 1771 case BINARY_PRINT_SEP: 1772 printed += fprintf(fp, " "); 1773 break; 1774 case BINARY_PRINT_CHAR_DATA: 1775 if (printer_data->hit_nul && ch) 1776 printer_data->is_printable = false; 1777 1778 if (!isprint(ch)) { 1779 printed += fprintf(fp, "%c", '.'); 1780 1781 if (!printer_data->is_printable) 1782 break; 1783 1784 if (ch == '\0') 1785 printer_data->hit_nul = true; 1786 else 1787 printer_data->is_printable = false; 1788 } else { 1789 printed += fprintf(fp, "%c", ch); 1790 } 1791 break; 1792 case BINARY_PRINT_CHAR_PAD: 1793 printed += fprintf(fp, " "); 1794 break; 1795 case BINARY_PRINT_LINE_END: 1796 printed += fprintf(fp, "\n"); 1797 printer_data->line_no++; 1798 break; 1799 case BINARY_PRINT_DATA_END: 1800 default: 1801 break; 1802 } 1803 1804 return printed; 1805 } 1806 1807 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp) 1808 { 1809 unsigned int nr_bytes = sample->raw_size; 1810 struct printer_data printer_data = {0, false, true}; 1811 int printed = binary__fprintf(sample->raw_data, nr_bytes, 8, 1812 sample__fprintf_bpf_output, &printer_data, fp); 1813 1814 if (printer_data.is_printable && printer_data.hit_nul) 1815 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data)); 1816 1817 return printed; 1818 } 1819 1820 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp) 1821 { 1822 if (len > 0 && len < spacing) 1823 return fprintf(fp, "%*s", spacing - len, ""); 1824 1825 return 0; 1826 } 1827 1828 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp) 1829 { 1830 return perf_sample__fprintf_spacing(len, 34, fp); 1831 } 1832 1833 /* If a value contains only printable ASCII characters padded with NULLs */ 1834 static bool ptw_is_prt(u64 val) 1835 { 1836 char c; 1837 u32 i; 1838 1839 for (i = 0; i < sizeof(val); i++) { 1840 c = ((char *)&val)[i]; 1841 if (!c) 1842 break; 1843 if (!isprint(c) || !isascii(c)) 1844 return false; 1845 } 1846 for (; i < sizeof(val); i++) { 1847 c = ((char *)&val)[i]; 1848 if (c) 1849 return false; 1850 } 1851 return true; 1852 } 1853 1854 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp) 1855 { 1856 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample); 1857 char str[sizeof(u64) + 1] = ""; 1858 int len; 1859 u64 val; 1860 1861 if (perf_sample__bad_synth_size(sample, *data)) 1862 return 0; 1863 1864 val = le64_to_cpu(data->payload); 1865 if (ptw_is_prt(val)) { 1866 memcpy(str, &val, sizeof(val)); 1867 str[sizeof(val)] = 0; 1868 } 1869 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " %s ", 1870 data->ip, val, str); 1871 return len + perf_sample__fprintf_pt_spacing(len, fp); 1872 } 1873 1874 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp) 1875 { 1876 struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample); 1877 int len; 1878 1879 if (perf_sample__bad_synth_size(sample, *data)) 1880 return 0; 1881 1882 len = fprintf(fp, " hints: %#x extensions: %#x ", 1883 data->hints, data->extensions); 1884 return len + perf_sample__fprintf_pt_spacing(len, fp); 1885 } 1886 1887 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp) 1888 { 1889 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample); 1890 int len; 1891 1892 if (perf_sample__bad_synth_size(sample, *data)) 1893 return 0; 1894 1895 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ", 1896 data->hw, data->cstate, data->subcstate); 1897 return len + perf_sample__fprintf_pt_spacing(len, fp); 1898 } 1899 1900 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp) 1901 { 1902 struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample); 1903 int len; 1904 1905 if (perf_sample__bad_synth_size(sample, *data)) 1906 return 0; 1907 1908 len = fprintf(fp, " IP: %u ", data->ip); 1909 return len + perf_sample__fprintf_pt_spacing(len, fp); 1910 } 1911 1912 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp) 1913 { 1914 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample); 1915 int len; 1916 1917 if (perf_sample__bad_synth_size(sample, *data)) 1918 return 0; 1919 1920 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ", 1921 data->deepest_cstate, data->last_cstate, 1922 data->wake_reason); 1923 return len + perf_sample__fprintf_pt_spacing(len, fp); 1924 } 1925 1926 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp) 1927 { 1928 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample); 1929 unsigned int percent, freq; 1930 int len; 1931 1932 if (perf_sample__bad_synth_size(sample, *data)) 1933 return 0; 1934 1935 freq = (le32_to_cpu(data->freq) + 500) / 1000; 1936 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq); 1937 if (data->max_nonturbo) { 1938 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10; 1939 len += fprintf(fp, "(%3u%%) ", percent); 1940 } 1941 return len + perf_sample__fprintf_pt_spacing(len, fp); 1942 } 1943 1944 static int perf_sample__fprintf_synth_psb(struct perf_sample *sample, FILE *fp) 1945 { 1946 struct perf_synth_intel_psb *data = perf_sample__synth_ptr(sample); 1947 int len; 1948 1949 if (perf_sample__bad_synth_size(sample, *data)) 1950 return 0; 1951 1952 len = fprintf(fp, " psb offs: %#" PRIx64, data->offset); 1953 return len + perf_sample__fprintf_pt_spacing(len, fp); 1954 } 1955 1956 /* Intel PT Event Trace */ 1957 static int perf_sample__fprintf_synth_evt(struct perf_sample *sample, FILE *fp) 1958 { 1959 struct perf_synth_intel_evt *data = perf_sample__synth_ptr(sample); 1960 const char *cfe[32] = {NULL, "INTR", "IRET", "SMI", "RSM", "SIPI", 1961 "INIT", "VMENTRY", "VMEXIT", "VMEXIT_INTR", 1962 "SHUTDOWN", NULL, "UINTR", "UIRET"}; 1963 const char *evd[64] = {"PFA", "VMXQ", "VMXR"}; 1964 const char *s; 1965 int len, i; 1966 1967 if (perf_sample__bad_synth_size(sample, *data)) 1968 return 0; 1969 1970 s = cfe[data->type]; 1971 if (s) { 1972 len = fprintf(fp, " cfe: %s IP: %d vector: %u", 1973 s, data->ip, data->vector); 1974 } else { 1975 len = fprintf(fp, " cfe: %u IP: %d vector: %u", 1976 data->type, data->ip, data->vector); 1977 } 1978 for (i = 0; i < data->evd_cnt; i++) { 1979 unsigned int et = data->evd[i].evd_type & 0x3f; 1980 1981 s = evd[et]; 1982 if (s) { 1983 len += fprintf(fp, " %s: %#" PRIx64, 1984 s, data->evd[i].payload); 1985 } else { 1986 len += fprintf(fp, " EVD_%u: %#" PRIx64, 1987 et, data->evd[i].payload); 1988 } 1989 } 1990 return len + perf_sample__fprintf_pt_spacing(len, fp); 1991 } 1992 1993 static int perf_sample__fprintf_synth_iflag_chg(struct perf_sample *sample, FILE *fp) 1994 { 1995 struct perf_synth_intel_iflag_chg *data = perf_sample__synth_ptr(sample); 1996 int len; 1997 1998 if (perf_sample__bad_synth_size(sample, *data)) 1999 return 0; 2000 2001 len = fprintf(fp, " IFLAG: %d->%d %s branch", !data->iflag, data->iflag, 2002 data->via_branch ? "via" : "non"); 2003 return len + perf_sample__fprintf_pt_spacing(len, fp); 2004 } 2005 2006 static int perf_sample__fprintf_synth(struct perf_sample *sample, 2007 struct evsel *evsel, FILE *fp) 2008 { 2009 switch (evsel->core.attr.config) { 2010 case PERF_SYNTH_INTEL_PTWRITE: 2011 return perf_sample__fprintf_synth_ptwrite(sample, fp); 2012 case PERF_SYNTH_INTEL_MWAIT: 2013 return perf_sample__fprintf_synth_mwait(sample, fp); 2014 case PERF_SYNTH_INTEL_PWRE: 2015 return perf_sample__fprintf_synth_pwre(sample, fp); 2016 case PERF_SYNTH_INTEL_EXSTOP: 2017 return perf_sample__fprintf_synth_exstop(sample, fp); 2018 case PERF_SYNTH_INTEL_PWRX: 2019 return perf_sample__fprintf_synth_pwrx(sample, fp); 2020 case PERF_SYNTH_INTEL_CBR: 2021 return perf_sample__fprintf_synth_cbr(sample, fp); 2022 case PERF_SYNTH_INTEL_PSB: 2023 return perf_sample__fprintf_synth_psb(sample, fp); 2024 case PERF_SYNTH_INTEL_EVT: 2025 return perf_sample__fprintf_synth_evt(sample, fp); 2026 case PERF_SYNTH_INTEL_IFLAG_CHG: 2027 return perf_sample__fprintf_synth_iflag_chg(sample, fp); 2028 default: 2029 break; 2030 } 2031 2032 return 0; 2033 } 2034 2035 static int evlist__max_name_len(struct evlist *evlist) 2036 { 2037 struct evsel *evsel; 2038 int max = 0; 2039 2040 evlist__for_each_entry(evlist, evsel) { 2041 int len = strlen(evsel__name(evsel)); 2042 2043 max = MAX(len, max); 2044 } 2045 2046 return max; 2047 } 2048 2049 static int data_src__fprintf(u64 data_src, FILE *fp) 2050 { 2051 struct mem_info *mi = mem_info__new(); 2052 char decode[100]; 2053 char out[100]; 2054 static int maxlen; 2055 int len; 2056 2057 if (!mi) 2058 return -ENOMEM; 2059 2060 mem_info__data_src(mi)->val = data_src; 2061 perf_script__meminfo_scnprintf(decode, 100, mi); 2062 mem_info__put(mi); 2063 2064 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode); 2065 if (maxlen < len) 2066 maxlen = len; 2067 2068 return fprintf(fp, "%-*s", maxlen, out); 2069 } 2070 2071 struct metric_ctx { 2072 struct perf_sample *sample; 2073 struct thread *thread; 2074 struct evsel *evsel; 2075 FILE *fp; 2076 }; 2077 2078 static void script_print_metric(struct perf_stat_config *config __maybe_unused, 2079 void *ctx, enum metric_threshold_classify thresh, 2080 const char *fmt, const char *unit, double val) 2081 { 2082 struct metric_ctx *mctx = ctx; 2083 const char *color = metric_threshold_classify__color(thresh); 2084 2085 if (!fmt) 2086 return; 2087 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, 2088 PERF_RECORD_SAMPLE, mctx->fp); 2089 fputs("\tmetric: ", mctx->fp); 2090 if (color) 2091 color_fprintf(mctx->fp, color, fmt, val); 2092 else 2093 printf(fmt, val); 2094 fprintf(mctx->fp, " %s\n", unit); 2095 } 2096 2097 static void script_new_line(struct perf_stat_config *config __maybe_unused, 2098 void *ctx) 2099 { 2100 struct metric_ctx *mctx = ctx; 2101 2102 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, 2103 PERF_RECORD_SAMPLE, mctx->fp); 2104 fputs("\tmetric: ", mctx->fp); 2105 } 2106 2107 static void perf_sample__fprint_metric(struct perf_script *script, 2108 struct thread *thread, 2109 struct evsel *evsel, 2110 struct perf_sample *sample, 2111 FILE *fp) 2112 { 2113 struct evsel *leader = evsel__leader(evsel); 2114 struct perf_stat_output_ctx ctx = { 2115 .print_metric = script_print_metric, 2116 .new_line = script_new_line, 2117 .ctx = &(struct metric_ctx) { 2118 .sample = sample, 2119 .thread = thread, 2120 .evsel = evsel, 2121 .fp = fp, 2122 }, 2123 .force_header = false, 2124 }; 2125 struct evsel *ev2; 2126 u64 val; 2127 2128 if (!evsel->stats) 2129 evlist__alloc_stats(&stat_config, script->session->evlist, /*alloc_raw=*/false); 2130 if (evsel_script(leader)->gnum++ == 0) 2131 perf_stat__reset_shadow_stats(); 2132 val = sample->period * evsel->scale; 2133 evsel_script(evsel)->val = val; 2134 if (evsel_script(leader)->gnum == leader->core.nr_members) { 2135 for_each_group_member (ev2, leader) { 2136 perf_stat__print_shadow_stats(&stat_config, ev2, 2137 evsel_script(ev2)->val, 2138 sample->cpu, 2139 &ctx); 2140 } 2141 evsel_script(leader)->gnum = 0; 2142 } 2143 } 2144 2145 static bool show_event(struct perf_sample *sample, 2146 struct evsel *evsel, 2147 struct thread *thread, 2148 struct addr_location *al, 2149 struct addr_location *addr_al) 2150 { 2151 int depth = thread_stack__depth(thread, sample->cpu); 2152 2153 if (!symbol_conf.graph_function) 2154 return true; 2155 2156 if (thread__filter(thread)) { 2157 if (depth <= thread__filter_entry_depth(thread)) { 2158 thread__set_filter(thread, false); 2159 return false; 2160 } 2161 return true; 2162 } else { 2163 const char *s = symbol_conf.graph_function; 2164 u64 ip; 2165 const char *name = resolve_branch_sym(sample, evsel, thread, al, addr_al, 2166 &ip); 2167 unsigned nlen; 2168 2169 if (!name) 2170 return false; 2171 nlen = strlen(name); 2172 while (*s) { 2173 unsigned len = strcspn(s, ","); 2174 if (nlen == len && !strncmp(name, s, len)) { 2175 thread__set_filter(thread, true); 2176 thread__set_filter_entry_depth(thread, depth); 2177 return true; 2178 } 2179 s += len; 2180 if (*s == ',') 2181 s++; 2182 } 2183 return false; 2184 } 2185 } 2186 2187 static void process_event(struct perf_script *script, 2188 struct perf_sample *sample, struct evsel *evsel, 2189 struct addr_location *al, 2190 struct addr_location *addr_al, 2191 struct machine *machine) 2192 { 2193 struct thread *thread = al->thread; 2194 struct perf_event_attr *attr = &evsel->core.attr; 2195 unsigned int type = evsel__output_type(evsel); 2196 struct evsel_script *es = evsel->priv; 2197 FILE *fp = es->fp; 2198 char str[PAGE_SIZE_NAME_LEN]; 2199 const char *arch = perf_env__arch(machine->env); 2200 2201 if (output[type].fields == 0) 2202 return; 2203 2204 ++es->samples; 2205 2206 perf_sample__fprintf_start(script, sample, thread, evsel, 2207 PERF_RECORD_SAMPLE, fp); 2208 2209 if (PRINT_FIELD(PERIOD)) 2210 fprintf(fp, "%10" PRIu64 " ", sample->period); 2211 2212 if (PRINT_FIELD(EVNAME)) { 2213 const char *evname = evsel__name(evsel); 2214 2215 if (!script->name_width) 2216 script->name_width = evlist__max_name_len(script->session->evlist); 2217 2218 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]"); 2219 } 2220 2221 if (print_flags) 2222 perf_sample__fprintf_flags(sample->flags, fp); 2223 2224 if (is_bts_event(attr)) { 2225 perf_sample__fprintf_bts(sample, evsel, thread, al, addr_al, machine, fp); 2226 return; 2227 } 2228 #ifdef HAVE_LIBTRACEEVENT 2229 if (PRINT_FIELD(TRACE) && sample->raw_data) { 2230 const struct tep_event *tp_format = evsel__tp_format(evsel); 2231 2232 if (tp_format) { 2233 event_format__fprintf(tp_format, sample->cpu, 2234 sample->raw_data, sample->raw_size, 2235 fp); 2236 } 2237 } 2238 #endif 2239 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH)) 2240 perf_sample__fprintf_synth(sample, evsel, fp); 2241 2242 if (PRINT_FIELD(ADDR)) 2243 perf_sample__fprintf_addr(sample, thread, evsel, fp); 2244 2245 if (PRINT_FIELD(DATA_SRC)) 2246 data_src__fprintf(sample->data_src, fp); 2247 2248 if (PRINT_FIELD(WEIGHT)) 2249 fprintf(fp, "%16" PRIu64, sample->weight); 2250 2251 if (PRINT_FIELD(INS_LAT)) 2252 fprintf(fp, "%16" PRIu16, sample->ins_lat); 2253 2254 if (PRINT_FIELD(RETIRE_LAT)) 2255 fprintf(fp, "%16" PRIu16, sample->weight3); 2256 2257 if (PRINT_FIELD(CGROUP)) { 2258 const char *cgrp_name; 2259 struct cgroup *cgrp = cgroup__find(machine->env, 2260 sample->cgroup); 2261 if (cgrp != NULL) 2262 cgrp_name = cgrp->name; 2263 else 2264 cgrp_name = "unknown"; 2265 fprintf(fp, " %s", cgrp_name); 2266 } 2267 2268 if (PRINT_FIELD(IP)) { 2269 struct callchain_cursor *cursor = NULL; 2270 2271 if (script->stitch_lbr) 2272 thread__set_lbr_stitch_enable(al->thread, true); 2273 2274 if (symbol_conf.use_callchain && sample->callchain) { 2275 cursor = get_tls_callchain_cursor(); 2276 if (thread__resolve_callchain(al->thread, cursor, evsel, 2277 sample, NULL, NULL, 2278 scripting_max_stack)) 2279 cursor = NULL; 2280 } 2281 fputc(cursor ? '\n' : ' ', fp); 2282 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, 2283 symbol_conf.bt_stop_list, fp); 2284 } 2285 2286 if (PRINT_FIELD(IREGS)) 2287 perf_sample__fprintf_iregs(sample, attr, arch, fp); 2288 2289 if (PRINT_FIELD(UREGS)) 2290 perf_sample__fprintf_uregs(sample, attr, arch, fp); 2291 2292 if (PRINT_FIELD(BRSTACK)) 2293 perf_sample__fprintf_brstack(sample, thread, evsel, fp); 2294 else if (PRINT_FIELD(BRSTACKSYM)) 2295 perf_sample__fprintf_brstacksym(sample, thread, evsel, fp); 2296 else if (PRINT_FIELD(BRSTACKOFF)) 2297 perf_sample__fprintf_brstackoff(sample, thread, evsel, fp); 2298 2299 if (evsel__is_bpf_output(evsel) && !evsel__is_offcpu_event(evsel) && PRINT_FIELD(BPF_OUTPUT)) 2300 perf_sample__fprintf_bpf_output(sample, fp); 2301 perf_sample__fprintf_insn(sample, evsel, attr, thread, machine, fp, al); 2302 2303 if (PRINT_FIELD(PHYS_ADDR)) 2304 fprintf(fp, "%16" PRIx64, sample->phys_addr); 2305 2306 if (PRINT_FIELD(DATA_PAGE_SIZE)) 2307 fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str)); 2308 2309 if (PRINT_FIELD(CODE_PAGE_SIZE)) 2310 fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str)); 2311 2312 perf_sample__fprintf_ipc(sample, evsel, fp); 2313 2314 fprintf(fp, "\n"); 2315 2316 if (PRINT_FIELD(SRCCODE)) { 2317 if (map__fprintf_srccode(al->map, al->addr, stdout, 2318 thread__srccode_state(thread))) 2319 printf("\n"); 2320 } 2321 2322 if (PRINT_FIELD(METRIC)) 2323 perf_sample__fprint_metric(script, thread, evsel, sample, fp); 2324 2325 if (verbose > 0) 2326 fflush(fp); 2327 } 2328 2329 static struct scripting_ops *scripting_ops; 2330 2331 static void __process_stat(struct evsel *counter, u64 tstamp) 2332 { 2333 int nthreads = perf_thread_map__nr(counter->core.threads); 2334 int idx, thread; 2335 struct perf_cpu cpu; 2336 static int header_printed; 2337 2338 if (!header_printed) { 2339 printf("%3s %8s %15s %15s %15s %15s %s\n", 2340 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT"); 2341 header_printed = 1; 2342 } 2343 2344 for (thread = 0; thread < nthreads; thread++) { 2345 perf_cpu_map__for_each_cpu(cpu, idx, evsel__cpus(counter)) { 2346 struct perf_counts_values *counts; 2347 2348 counts = perf_counts(counter->counts, idx, thread); 2349 2350 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n", 2351 cpu.cpu, 2352 perf_thread_map__pid(counter->core.threads, thread), 2353 counts->val, 2354 counts->ena, 2355 counts->run, 2356 tstamp, 2357 evsel__name(counter)); 2358 } 2359 } 2360 } 2361 2362 static void process_stat(struct evsel *counter, u64 tstamp) 2363 { 2364 if (scripting_ops && scripting_ops->process_stat) 2365 scripting_ops->process_stat(&stat_config, counter, tstamp); 2366 else 2367 __process_stat(counter, tstamp); 2368 } 2369 2370 static void process_stat_interval(u64 tstamp) 2371 { 2372 if (scripting_ops && scripting_ops->process_stat_interval) 2373 scripting_ops->process_stat_interval(tstamp); 2374 } 2375 2376 static void setup_scripting(void) 2377 { 2378 #ifdef HAVE_LIBTRACEEVENT 2379 setup_perl_scripting(); 2380 #endif 2381 setup_python_scripting(); 2382 } 2383 2384 static int flush_scripting(void) 2385 { 2386 return scripting_ops ? scripting_ops->flush_script() : 0; 2387 } 2388 2389 static int cleanup_scripting(void) 2390 { 2391 pr_debug("\nperf script stopped\n"); 2392 2393 return scripting_ops ? scripting_ops->stop_script() : 0; 2394 } 2395 2396 static bool filter_cpu(struct perf_sample *sample) 2397 { 2398 if (cpu_list && sample->cpu != (u32)-1) 2399 return !test_bit(sample->cpu, cpu_bitmap); 2400 return false; 2401 } 2402 2403 static int process_sample_event(const struct perf_tool *tool, 2404 union perf_event *event, 2405 struct perf_sample *sample, 2406 struct evsel *evsel, 2407 struct machine *machine) 2408 { 2409 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2410 struct addr_location al; 2411 struct addr_location addr_al; 2412 int ret = 0; 2413 2414 /* Set thread to NULL to indicate addr_al and al are not initialized */ 2415 addr_location__init(&al); 2416 addr_location__init(&addr_al); 2417 2418 ret = dlfilter__filter_event_early(dlfilter, event, sample, evsel, machine, &al, &addr_al); 2419 if (ret) { 2420 if (ret > 0) 2421 ret = 0; 2422 goto out_put; 2423 } 2424 2425 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num, 2426 sample->time)) { 2427 goto out_put; 2428 } 2429 2430 if (debug_mode) { 2431 if (sample->time < last_timestamp) { 2432 pr_err("Samples misordered, previous: %" PRIu64 2433 " this: %" PRIu64 "\n", last_timestamp, 2434 sample->time); 2435 nr_unordered++; 2436 } 2437 last_timestamp = sample->time; 2438 goto out_put; 2439 } 2440 2441 if (filter_cpu(sample)) 2442 goto out_put; 2443 2444 if (!al.thread && machine__resolve(machine, &al, sample) < 0) { 2445 pr_err("problem processing %d event, skipping it.\n", 2446 event->header.type); 2447 ret = -1; 2448 goto out_put; 2449 } 2450 2451 if (al.filtered) 2452 goto out_put; 2453 2454 if (!show_event(sample, evsel, al.thread, &al, &addr_al)) 2455 goto out_put; 2456 2457 if (evswitch__discard(&scr->evswitch, evsel)) 2458 goto out_put; 2459 2460 ret = dlfilter__filter_event(dlfilter, event, sample, evsel, machine, &al, &addr_al); 2461 if (ret) { 2462 if (ret > 0) 2463 ret = 0; 2464 goto out_put; 2465 } 2466 2467 if (scripting_ops) { 2468 struct addr_location *addr_al_ptr = NULL; 2469 2470 if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 2471 sample_addr_correlates_sym(&evsel->core.attr)) { 2472 if (!addr_al.thread) 2473 thread__resolve(al.thread, &addr_al, sample); 2474 addr_al_ptr = &addr_al; 2475 } 2476 scripting_ops->process_event(event, sample, evsel, &al, addr_al_ptr); 2477 } else { 2478 process_event(scr, sample, evsel, &al, &addr_al, machine); 2479 } 2480 2481 out_put: 2482 addr_location__exit(&addr_al); 2483 addr_location__exit(&al); 2484 return ret; 2485 } 2486 2487 // Used when scr->per_event_dump is not set 2488 static struct evsel_script es_stdout; 2489 2490 static int process_attr(const struct perf_tool *tool, union perf_event *event, 2491 struct evlist **pevlist) 2492 { 2493 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2494 struct evlist *evlist; 2495 struct evsel *evsel, *pos; 2496 u64 sample_type; 2497 int err; 2498 2499 err = perf_event__process_attr(tool, event, pevlist); 2500 if (err) 2501 return err; 2502 2503 evlist = *pevlist; 2504 evsel = evlist__last(*pevlist); 2505 2506 if (!evsel->priv) { 2507 if (scr->per_event_dump) { 2508 evsel->priv = evsel_script__new(evsel, scr->session->data); 2509 if (!evsel->priv) 2510 return -ENOMEM; 2511 } else { // Replicate what is done in perf_script__setup_per_event_dump() 2512 es_stdout.fp = stdout; 2513 evsel->priv = &es_stdout; 2514 } 2515 } 2516 2517 if (evsel->core.attr.type >= PERF_TYPE_MAX && 2518 evsel->core.attr.type != PERF_TYPE_SYNTH) 2519 return 0; 2520 2521 evlist__for_each_entry(evlist, pos) { 2522 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel) 2523 return 0; 2524 } 2525 2526 if (evsel->core.attr.sample_type) { 2527 err = evsel__check_attr(evsel, scr->session); 2528 if (err) 2529 return err; 2530 } 2531 2532 /* 2533 * Check if we need to enable callchains based 2534 * on events sample_type. 2535 */ 2536 sample_type = evlist__combined_sample_type(evlist); 2537 callchain_param_setup(sample_type, perf_env__arch(perf_session__env(scr->session))); 2538 2539 /* Enable fields for callchain entries */ 2540 if (symbol_conf.use_callchain && 2541 (sample_type & PERF_SAMPLE_CALLCHAIN || 2542 sample_type & PERF_SAMPLE_BRANCH_STACK || 2543 (sample_type & PERF_SAMPLE_REGS_USER && 2544 sample_type & PERF_SAMPLE_STACK_USER))) { 2545 int type = evsel__output_type(evsel); 2546 2547 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP)) 2548 output[type].fields |= PERF_OUTPUT_IP; 2549 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM)) 2550 output[type].fields |= PERF_OUTPUT_SYM; 2551 } 2552 evsel__set_print_ip_opts(evsel); 2553 return 0; 2554 } 2555 2556 static int print_event_with_time(const struct perf_tool *tool, 2557 union perf_event *event, 2558 struct perf_sample *sample, 2559 struct machine *machine, 2560 pid_t pid, pid_t tid, u64 timestamp) 2561 { 2562 struct perf_script *script = container_of(tool, struct perf_script, tool); 2563 struct perf_session *session = script->session; 2564 struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id); 2565 struct thread *thread = NULL; 2566 2567 if (evsel && !evsel->core.attr.sample_id_all) { 2568 sample->cpu = 0; 2569 sample->time = timestamp; 2570 sample->pid = pid; 2571 sample->tid = tid; 2572 } 2573 2574 if (filter_cpu(sample)) 2575 return 0; 2576 2577 if (tid != -1) 2578 thread = machine__findnew_thread(machine, pid, tid); 2579 2580 if (evsel) { 2581 perf_sample__fprintf_start(script, sample, thread, evsel, 2582 event->header.type, stdout); 2583 } 2584 2585 perf_event__fprintf(event, machine, stdout); 2586 2587 thread__put(thread); 2588 2589 return 0; 2590 } 2591 2592 static int print_event(const struct perf_tool *tool, union perf_event *event, 2593 struct perf_sample *sample, struct machine *machine, 2594 pid_t pid, pid_t tid) 2595 { 2596 return print_event_with_time(tool, event, sample, machine, pid, tid, 0); 2597 } 2598 2599 static int process_comm_event(const struct perf_tool *tool, 2600 union perf_event *event, 2601 struct perf_sample *sample, 2602 struct machine *machine) 2603 { 2604 if (perf_event__process_comm(tool, event, sample, machine) < 0) 2605 return -1; 2606 2607 return print_event(tool, event, sample, machine, event->comm.pid, 2608 event->comm.tid); 2609 } 2610 2611 static int process_namespaces_event(const struct perf_tool *tool, 2612 union perf_event *event, 2613 struct perf_sample *sample, 2614 struct machine *machine) 2615 { 2616 if (perf_event__process_namespaces(tool, event, sample, machine) < 0) 2617 return -1; 2618 2619 return print_event(tool, event, sample, machine, event->namespaces.pid, 2620 event->namespaces.tid); 2621 } 2622 2623 static int process_cgroup_event(const struct perf_tool *tool, 2624 union perf_event *event, 2625 struct perf_sample *sample, 2626 struct machine *machine) 2627 { 2628 if (perf_event__process_cgroup(tool, event, sample, machine) < 0) 2629 return -1; 2630 2631 return print_event(tool, event, sample, machine, sample->pid, 2632 sample->tid); 2633 } 2634 2635 static int process_fork_event(const struct perf_tool *tool, 2636 union perf_event *event, 2637 struct perf_sample *sample, 2638 struct machine *machine) 2639 { 2640 if (perf_event__process_fork(tool, event, sample, machine) < 0) 2641 return -1; 2642 2643 return print_event_with_time(tool, event, sample, machine, 2644 event->fork.pid, event->fork.tid, 2645 event->fork.time); 2646 } 2647 static int process_exit_event(const struct perf_tool *tool, 2648 union perf_event *event, 2649 struct perf_sample *sample, 2650 struct machine *machine) 2651 { 2652 /* Print before 'exit' deletes anything */ 2653 if (print_event_with_time(tool, event, sample, machine, event->fork.pid, 2654 event->fork.tid, event->fork.time)) 2655 return -1; 2656 2657 return perf_event__process_exit(tool, event, sample, machine); 2658 } 2659 2660 static int process_mmap_event(const struct perf_tool *tool, 2661 union perf_event *event, 2662 struct perf_sample *sample, 2663 struct machine *machine) 2664 { 2665 if (perf_event__process_mmap(tool, event, sample, machine) < 0) 2666 return -1; 2667 2668 return print_event(tool, event, sample, machine, event->mmap.pid, 2669 event->mmap.tid); 2670 } 2671 2672 static int process_mmap2_event(const struct perf_tool *tool, 2673 union perf_event *event, 2674 struct perf_sample *sample, 2675 struct machine *machine) 2676 { 2677 if (perf_event__process_mmap2(tool, event, sample, machine) < 0) 2678 return -1; 2679 2680 return print_event(tool, event, sample, machine, event->mmap2.pid, 2681 event->mmap2.tid); 2682 } 2683 2684 static int process_switch_event(const struct perf_tool *tool, 2685 union perf_event *event, 2686 struct perf_sample *sample, 2687 struct machine *machine) 2688 { 2689 struct perf_script *script = container_of(tool, struct perf_script, tool); 2690 2691 if (perf_event__process_switch(tool, event, sample, machine) < 0) 2692 return -1; 2693 2694 if (scripting_ops && scripting_ops->process_switch && !filter_cpu(sample)) 2695 scripting_ops->process_switch(event, sample, machine); 2696 2697 if (!script->show_switch_events) 2698 return 0; 2699 2700 return print_event(tool, event, sample, machine, sample->pid, 2701 sample->tid); 2702 } 2703 2704 static int process_auxtrace_error(struct perf_session *session, 2705 union perf_event *event) 2706 { 2707 if (scripting_ops && scripting_ops->process_auxtrace_error) { 2708 scripting_ops->process_auxtrace_error(session, event); 2709 return 0; 2710 } 2711 2712 return perf_event__process_auxtrace_error(session, event); 2713 } 2714 2715 static int 2716 process_lost_event(const struct perf_tool *tool, 2717 union perf_event *event, 2718 struct perf_sample *sample, 2719 struct machine *machine) 2720 { 2721 return print_event(tool, event, sample, machine, sample->pid, 2722 sample->tid); 2723 } 2724 2725 static int 2726 process_throttle_event(const struct perf_tool *tool __maybe_unused, 2727 union perf_event *event, 2728 struct perf_sample *sample, 2729 struct machine *machine) 2730 { 2731 if (scripting_ops && scripting_ops->process_throttle) 2732 scripting_ops->process_throttle(event, sample, machine); 2733 return 0; 2734 } 2735 2736 static int 2737 process_finished_round_event(const struct perf_tool *tool __maybe_unused, 2738 union perf_event *event, 2739 struct ordered_events *oe __maybe_unused) 2740 2741 { 2742 perf_event__fprintf(event, NULL, stdout); 2743 return 0; 2744 } 2745 2746 static int 2747 process_bpf_events(const struct perf_tool *tool __maybe_unused, 2748 union perf_event *event, 2749 struct perf_sample *sample, 2750 struct machine *machine) 2751 { 2752 if (machine__process_ksymbol(machine, event, sample) < 0) 2753 return -1; 2754 2755 return print_event(tool, event, sample, machine, sample->pid, 2756 sample->tid); 2757 } 2758 2759 static int 2760 process_bpf_metadata_event(struct perf_session *session __maybe_unused, 2761 union perf_event *event) 2762 { 2763 perf_event__fprintf(event, NULL, stdout); 2764 return 0; 2765 } 2766 2767 static int process_text_poke_events(const struct perf_tool *tool, 2768 union perf_event *event, 2769 struct perf_sample *sample, 2770 struct machine *machine) 2771 { 2772 if (perf_event__process_text_poke(tool, event, sample, machine) < 0) 2773 return -1; 2774 2775 return print_event(tool, event, sample, machine, sample->pid, 2776 sample->tid); 2777 } 2778 2779 static void sig_handler(int sig __maybe_unused) 2780 { 2781 session_done = 1; 2782 } 2783 2784 static void perf_script__fclose_per_event_dump(struct perf_script *script) 2785 { 2786 struct evlist *evlist = script->session->evlist; 2787 struct evsel *evsel; 2788 2789 evlist__for_each_entry(evlist, evsel) { 2790 if (!evsel->priv) 2791 break; 2792 evsel_script__delete(evsel->priv); 2793 evsel->priv = NULL; 2794 } 2795 } 2796 2797 static int perf_script__fopen_per_event_dump(struct perf_script *script) 2798 { 2799 struct evsel *evsel; 2800 2801 evlist__for_each_entry(script->session->evlist, evsel) { 2802 /* 2803 * Already setup? I.e. we may be called twice in cases like 2804 * Intel PT, one for the intel_pt// and dummy events, then 2805 * for the evsels synthesized from the auxtrace info. 2806 * 2807 * Ses perf_script__process_auxtrace_info. 2808 */ 2809 if (evsel->priv != NULL) 2810 continue; 2811 2812 evsel->priv = evsel_script__new(evsel, script->session->data); 2813 if (evsel->priv == NULL) 2814 goto out_err_fclose; 2815 } 2816 2817 return 0; 2818 2819 out_err_fclose: 2820 perf_script__fclose_per_event_dump(script); 2821 return -1; 2822 } 2823 2824 static int perf_script__setup_per_event_dump(struct perf_script *script) 2825 { 2826 struct evsel *evsel; 2827 2828 if (script->per_event_dump) 2829 return perf_script__fopen_per_event_dump(script); 2830 2831 es_stdout.fp = stdout; 2832 2833 evlist__for_each_entry(script->session->evlist, evsel) 2834 evsel->priv = &es_stdout; 2835 2836 return 0; 2837 } 2838 2839 static void perf_script__exit_per_event_dump_stats(struct perf_script *script) 2840 { 2841 struct evsel *evsel; 2842 2843 evlist__for_each_entry(script->session->evlist, evsel) { 2844 struct evsel_script *es = evsel->priv; 2845 2846 evsel_script__fprintf(es, stdout); 2847 evsel_script__delete(es); 2848 evsel->priv = NULL; 2849 } 2850 } 2851 2852 static void perf_script__exit(struct perf_script *script) 2853 { 2854 perf_thread_map__put(script->threads); 2855 perf_cpu_map__put(script->cpus); 2856 } 2857 2858 static int __cmd_script(struct perf_script *script) 2859 { 2860 int ret; 2861 2862 signal(SIGINT, sig_handler); 2863 2864 /* override event processing functions */ 2865 if (script->show_task_events) { 2866 script->tool.comm = process_comm_event; 2867 script->tool.fork = process_fork_event; 2868 script->tool.exit = process_exit_event; 2869 } 2870 if (script->show_mmap_events) { 2871 script->tool.mmap = process_mmap_event; 2872 script->tool.mmap2 = process_mmap2_event; 2873 } 2874 if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch)) 2875 script->tool.context_switch = process_switch_event; 2876 if (scripting_ops && scripting_ops->process_auxtrace_error) 2877 script->tool.auxtrace_error = process_auxtrace_error; 2878 if (script->show_namespace_events) 2879 script->tool.namespaces = process_namespaces_event; 2880 if (script->show_cgroup_events) 2881 script->tool.cgroup = process_cgroup_event; 2882 if (script->show_lost_events) 2883 script->tool.lost = process_lost_event; 2884 if (script->show_round_events) { 2885 script->tool.ordered_events = false; 2886 script->tool.finished_round = process_finished_round_event; 2887 } 2888 if (script->show_bpf_events) { 2889 script->tool.ksymbol = process_bpf_events; 2890 script->tool.bpf = process_bpf_events; 2891 script->tool.bpf_metadata = process_bpf_metadata_event; 2892 } 2893 if (script->show_text_poke_events) { 2894 script->tool.ksymbol = process_bpf_events; 2895 script->tool.text_poke = process_text_poke_events; 2896 } 2897 2898 if (perf_script__setup_per_event_dump(script)) { 2899 pr_err("Couldn't create the per event dump files\n"); 2900 return -1; 2901 } 2902 2903 ret = perf_session__process_events(script->session); 2904 2905 if (script->per_event_dump) 2906 perf_script__exit_per_event_dump_stats(script); 2907 2908 if (debug_mode) 2909 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); 2910 2911 return ret; 2912 } 2913 2914 static int list_available_languages_cb(struct scripting_ops *ops, const char *spec) 2915 { 2916 fprintf(stderr, " %-42s [%s]\n", spec, ops->name); 2917 return 0; 2918 } 2919 2920 static void list_available_languages(void) 2921 { 2922 fprintf(stderr, "\n"); 2923 fprintf(stderr, "Scripting language extensions (used in " 2924 "perf script -s [spec:]script.[spec]):\n\n"); 2925 script_spec__for_each(&list_available_languages_cb); 2926 fprintf(stderr, "\n"); 2927 } 2928 2929 /* Find script file relative to current directory or exec path */ 2930 static char *find_script(const char *script) 2931 { 2932 char path[PATH_MAX]; 2933 2934 if (!scripting_ops) { 2935 const char *ext = strrchr(script, '.'); 2936 2937 if (!ext) 2938 return NULL; 2939 2940 scripting_ops = script_spec__lookup(++ext); 2941 if (!scripting_ops) 2942 return NULL; 2943 } 2944 2945 if (access(script, R_OK)) { 2946 char *exec_path = get_argv_exec_path(); 2947 2948 if (!exec_path) 2949 return NULL; 2950 snprintf(path, sizeof(path), "%s/scripts/%s/%s", 2951 exec_path, scripting_ops->dirname, script); 2952 free(exec_path); 2953 script = path; 2954 if (access(script, R_OK)) 2955 return NULL; 2956 } 2957 return strdup(script); 2958 } 2959 2960 static int parse_scriptname(const struct option *opt __maybe_unused, 2961 const char *str, int unset __maybe_unused) 2962 { 2963 char spec[PATH_MAX]; 2964 const char *script, *ext; 2965 int len; 2966 2967 if (strcmp(str, "lang") == 0) { 2968 list_available_languages(); 2969 exit(0); 2970 } 2971 2972 script = strchr(str, ':'); 2973 if (script) { 2974 len = script - str; 2975 if (len >= PATH_MAX) { 2976 fprintf(stderr, "invalid language specifier"); 2977 return -1; 2978 } 2979 strncpy(spec, str, len); 2980 spec[len] = '\0'; 2981 scripting_ops = script_spec__lookup(spec); 2982 if (!scripting_ops) { 2983 fprintf(stderr, "invalid language specifier"); 2984 return -1; 2985 } 2986 script++; 2987 } else { 2988 script = str; 2989 ext = strrchr(script, '.'); 2990 if (!ext) { 2991 fprintf(stderr, "invalid script extension"); 2992 return -1; 2993 } 2994 scripting_ops = script_spec__lookup(++ext); 2995 if (!scripting_ops) { 2996 fprintf(stderr, "invalid script extension"); 2997 return -1; 2998 } 2999 } 3000 3001 script_name = find_script(script); 3002 if (!script_name) 3003 script_name = strdup(script); 3004 3005 return 0; 3006 } 3007 3008 static int parse_output_fields(const struct option *opt __maybe_unused, 3009 const char *arg, int unset __maybe_unused) 3010 { 3011 char *tok, *strtok_saveptr = NULL; 3012 int i, imax = ARRAY_SIZE(all_output_options); 3013 int j; 3014 int rc = 0; 3015 char *str = strdup(arg); 3016 int type = -1; 3017 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT; 3018 3019 if (!str) 3020 return -ENOMEM; 3021 3022 /* first word can state for which event type the user is specifying 3023 * the fields. If no type exists, the specified fields apply to all 3024 * event types found in the file minus the invalid fields for a type. 3025 */ 3026 tok = strchr(str, ':'); 3027 if (tok) { 3028 *tok = '\0'; 3029 tok++; 3030 if (!strcmp(str, "hw")) 3031 type = PERF_TYPE_HARDWARE; 3032 else if (!strcmp(str, "sw")) 3033 type = PERF_TYPE_SOFTWARE; 3034 else if (!strcmp(str, "trace")) 3035 type = PERF_TYPE_TRACEPOINT; 3036 else if (!strcmp(str, "raw")) 3037 type = PERF_TYPE_RAW; 3038 else if (!strcmp(str, "break")) 3039 type = PERF_TYPE_BREAKPOINT; 3040 else if (!strcmp(str, "synth")) 3041 type = OUTPUT_TYPE_SYNTH; 3042 else { 3043 fprintf(stderr, "Invalid event type in field string.\n"); 3044 rc = -EINVAL; 3045 goto out; 3046 } 3047 3048 if (output[type].user_set) 3049 pr_warning("Overriding previous field request for %s events.\n", 3050 event_type(type)); 3051 3052 /* Don't override defaults for +- */ 3053 if (strchr(tok, '+') || strchr(tok, '-')) 3054 goto parse; 3055 3056 output[type].fields = 0; 3057 output[type].user_set = true; 3058 output[type].wildcard_set = false; 3059 3060 } else { 3061 tok = str; 3062 if (strlen(str) == 0) { 3063 fprintf(stderr, 3064 "Cannot set fields to 'none' for all event types.\n"); 3065 rc = -EINVAL; 3066 goto out; 3067 } 3068 3069 /* Don't override defaults for +- */ 3070 if (strchr(str, '+') || strchr(str, '-')) 3071 goto parse; 3072 3073 if (output_set_by_user()) 3074 pr_warning("Overriding previous field request for all events.\n"); 3075 3076 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 3077 output[j].fields = 0; 3078 output[j].user_set = true; 3079 output[j].wildcard_set = true; 3080 } 3081 } 3082 3083 parse: 3084 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) { 3085 if (*tok == '+') { 3086 if (change == SET) 3087 goto out_badmix; 3088 change = ADD; 3089 tok++; 3090 } else if (*tok == '-') { 3091 if (change == SET) 3092 goto out_badmix; 3093 change = REMOVE; 3094 tok++; 3095 } else { 3096 if (change != SET && change != DEFAULT) 3097 goto out_badmix; 3098 change = SET; 3099 } 3100 3101 for (i = 0; i < imax; ++i) { 3102 if (strcmp(tok, all_output_options[i].str) == 0) 3103 break; 3104 } 3105 if (i == imax && strcmp(tok, "flags") == 0) { 3106 print_flags = change != REMOVE; 3107 continue; 3108 } 3109 if (i == imax) { 3110 fprintf(stderr, "Invalid field requested.\n"); 3111 rc = -EINVAL; 3112 goto out; 3113 } 3114 #ifndef HAVE_LIBCAPSTONE_SUPPORT 3115 if (change != REMOVE && strcmp(tok, "disasm") == 0) { 3116 fprintf(stderr, "Field \"disasm\" requires perf to be built with libcapstone support.\n"); 3117 rc = -EINVAL; 3118 goto out; 3119 } 3120 #endif 3121 3122 if (type == -1) { 3123 /* add user option to all events types for 3124 * which it is valid 3125 */ 3126 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 3127 if (output[j].invalid_fields & all_output_options[i].field) { 3128 pr_warning("\'%s\' not valid for %s events. Ignoring.\n", 3129 all_output_options[i].str, event_type(j)); 3130 } else { 3131 if (change == REMOVE) { 3132 output[j].fields &= ~all_output_options[i].field; 3133 output[j].user_set_fields &= ~all_output_options[i].field; 3134 output[j].user_unset_fields |= all_output_options[i].field; 3135 } else { 3136 output[j].fields |= all_output_options[i].field; 3137 output[j].user_set_fields |= all_output_options[i].field; 3138 output[j].user_unset_fields &= ~all_output_options[i].field; 3139 } 3140 output[j].user_set = true; 3141 output[j].wildcard_set = true; 3142 } 3143 } 3144 } else { 3145 if (output[type].invalid_fields & all_output_options[i].field) { 3146 fprintf(stderr, "\'%s\' not valid for %s events.\n", 3147 all_output_options[i].str, event_type(type)); 3148 3149 rc = -EINVAL; 3150 goto out; 3151 } 3152 if (change == REMOVE) 3153 output[type].fields &= ~all_output_options[i].field; 3154 else 3155 output[type].fields |= all_output_options[i].field; 3156 output[type].user_set = true; 3157 output[type].wildcard_set = true; 3158 } 3159 } 3160 3161 if (type >= 0) { 3162 if (output[type].fields == 0) { 3163 pr_debug("No fields requested for %s type. " 3164 "Events will not be displayed.\n", event_type(type)); 3165 } 3166 } 3167 goto out; 3168 3169 out_badmix: 3170 fprintf(stderr, "Cannot mix +-field with overridden fields\n"); 3171 rc = -EINVAL; 3172 out: 3173 free(str); 3174 return rc; 3175 } 3176 3177 #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \ 3178 while ((lang_dirent = readdir(scripts_dir)) != NULL) \ 3179 if ((lang_dirent->d_type == DT_DIR || \ 3180 (lang_dirent->d_type == DT_UNKNOWN && \ 3181 is_directory(scripts_path, lang_dirent))) && \ 3182 (strcmp(lang_dirent->d_name, ".")) && \ 3183 (strcmp(lang_dirent->d_name, ".."))) 3184 3185 #define for_each_script(lang_path, lang_dir, script_dirent) \ 3186 while ((script_dirent = readdir(lang_dir)) != NULL) \ 3187 if (script_dirent->d_type != DT_DIR && \ 3188 (script_dirent->d_type != DT_UNKNOWN || \ 3189 !is_directory(lang_path, script_dirent))) 3190 3191 3192 #define RECORD_SUFFIX "-record" 3193 #define REPORT_SUFFIX "-report" 3194 3195 struct script_desc { 3196 struct list_head node; 3197 char *name; 3198 char *half_liner; 3199 char *args; 3200 }; 3201 3202 static LIST_HEAD(script_descs); 3203 3204 static struct script_desc *script_desc__new(const char *name) 3205 { 3206 struct script_desc *s = zalloc(sizeof(*s)); 3207 3208 if (s != NULL && name) 3209 s->name = strdup(name); 3210 3211 return s; 3212 } 3213 3214 static void script_desc__delete(struct script_desc *s) 3215 { 3216 zfree(&s->name); 3217 zfree(&s->half_liner); 3218 zfree(&s->args); 3219 free(s); 3220 } 3221 3222 static void script_desc__add(struct script_desc *s) 3223 { 3224 list_add_tail(&s->node, &script_descs); 3225 } 3226 3227 static struct script_desc *script_desc__find(const char *name) 3228 { 3229 struct script_desc *s; 3230 3231 list_for_each_entry(s, &script_descs, node) 3232 if (strcasecmp(s->name, name) == 0) 3233 return s; 3234 return NULL; 3235 } 3236 3237 static struct script_desc *script_desc__findnew(const char *name) 3238 { 3239 struct script_desc *s = script_desc__find(name); 3240 3241 if (s) 3242 return s; 3243 3244 s = script_desc__new(name); 3245 if (!s) 3246 return NULL; 3247 3248 script_desc__add(s); 3249 3250 return s; 3251 } 3252 3253 static const char *ends_with(const char *str, const char *suffix) 3254 { 3255 size_t suffix_len = strlen(suffix); 3256 const char *p = str; 3257 3258 if (strlen(str) > suffix_len) { 3259 p = str + strlen(str) - suffix_len; 3260 if (!strncmp(p, suffix, suffix_len)) 3261 return p; 3262 } 3263 3264 return NULL; 3265 } 3266 3267 static int read_script_info(struct script_desc *desc, const char *filename) 3268 { 3269 char line[BUFSIZ], *p; 3270 FILE *fp; 3271 3272 fp = fopen(filename, "r"); 3273 if (!fp) 3274 return -1; 3275 3276 while (fgets(line, sizeof(line), fp)) { 3277 p = skip_spaces(line); 3278 if (strlen(p) == 0) 3279 continue; 3280 if (*p != '#') 3281 continue; 3282 p++; 3283 if (strlen(p) && *p == '!') 3284 continue; 3285 3286 p = skip_spaces(p); 3287 if (strlen(p) && p[strlen(p) - 1] == '\n') 3288 p[strlen(p) - 1] = '\0'; 3289 3290 if (!strncmp(p, "description:", strlen("description:"))) { 3291 p += strlen("description:"); 3292 desc->half_liner = strdup(skip_spaces(p)); 3293 continue; 3294 } 3295 3296 if (!strncmp(p, "args:", strlen("args:"))) { 3297 p += strlen("args:"); 3298 desc->args = strdup(skip_spaces(p)); 3299 continue; 3300 } 3301 } 3302 3303 fclose(fp); 3304 3305 return 0; 3306 } 3307 3308 static char *get_script_root(struct dirent *script_dirent, const char *suffix) 3309 { 3310 char *script_root, *str; 3311 3312 script_root = strdup(script_dirent->d_name); 3313 if (!script_root) 3314 return NULL; 3315 3316 str = (char *)ends_with(script_root, suffix); 3317 if (!str) { 3318 free(script_root); 3319 return NULL; 3320 } 3321 3322 *str = '\0'; 3323 return script_root; 3324 } 3325 3326 static int list_available_scripts(const struct option *opt __maybe_unused, 3327 const char *s __maybe_unused, 3328 int unset __maybe_unused) 3329 { 3330 struct dirent *script_dirent, *lang_dirent; 3331 char *buf, *scripts_path, *script_path, *lang_path, *first_half; 3332 DIR *scripts_dir, *lang_dir; 3333 struct script_desc *desc; 3334 char *script_root; 3335 3336 buf = malloc(3 * MAXPATHLEN + BUFSIZ); 3337 if (!buf) { 3338 pr_err("malloc failed\n"); 3339 exit(-1); 3340 } 3341 scripts_path = buf; 3342 script_path = buf + MAXPATHLEN; 3343 lang_path = buf + 2 * MAXPATHLEN; 3344 first_half = buf + 3 * MAXPATHLEN; 3345 3346 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3347 3348 scripts_dir = opendir(scripts_path); 3349 if (!scripts_dir) { 3350 fprintf(stdout, 3351 "open(%s) failed.\n" 3352 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n", 3353 scripts_path); 3354 free(buf); 3355 exit(-1); 3356 } 3357 3358 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3359 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3360 lang_dirent->d_name); 3361 lang_dir = opendir(lang_path); 3362 if (!lang_dir) 3363 continue; 3364 3365 for_each_script(lang_path, lang_dir, script_dirent) { 3366 script_root = get_script_root(script_dirent, REPORT_SUFFIX); 3367 if (script_root) { 3368 desc = script_desc__findnew(script_root); 3369 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3370 lang_path, script_dirent->d_name); 3371 read_script_info(desc, script_path); 3372 free(script_root); 3373 } 3374 } 3375 } 3376 3377 fprintf(stdout, "List of available trace scripts:\n"); 3378 list_for_each_entry(desc, &script_descs, node) { 3379 sprintf(first_half, "%s %s", desc->name, 3380 desc->args ? desc->args : ""); 3381 fprintf(stdout, " %-36s %s\n", first_half, 3382 desc->half_liner ? desc->half_liner : ""); 3383 } 3384 3385 free(buf); 3386 exit(0); 3387 } 3388 3389 static int add_dlarg(const struct option *opt __maybe_unused, 3390 const char *s, int unset __maybe_unused) 3391 { 3392 char *arg = strdup(s); 3393 void *a; 3394 3395 if (!arg) 3396 return -1; 3397 3398 a = realloc(dlargv, sizeof(dlargv[0]) * (dlargc + 1)); 3399 if (!a) { 3400 free(arg); 3401 return -1; 3402 } 3403 3404 dlargv = a; 3405 dlargv[dlargc++] = arg; 3406 3407 return 0; 3408 } 3409 3410 static void free_dlarg(void) 3411 { 3412 while (dlargc--) 3413 free(dlargv[dlargc]); 3414 free(dlargv); 3415 } 3416 3417 static char *get_script_path(const char *script_root, const char *suffix) 3418 { 3419 struct dirent *script_dirent, *lang_dirent; 3420 char scripts_path[MAXPATHLEN]; 3421 char script_path[MAXPATHLEN]; 3422 DIR *scripts_dir, *lang_dir; 3423 char lang_path[MAXPATHLEN]; 3424 char *__script_root; 3425 3426 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3427 3428 scripts_dir = opendir(scripts_path); 3429 if (!scripts_dir) 3430 return NULL; 3431 3432 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3433 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3434 lang_dirent->d_name); 3435 lang_dir = opendir(lang_path); 3436 if (!lang_dir) 3437 continue; 3438 3439 for_each_script(lang_path, lang_dir, script_dirent) { 3440 __script_root = get_script_root(script_dirent, suffix); 3441 if (__script_root && !strcmp(script_root, __script_root)) { 3442 free(__script_root); 3443 closedir(scripts_dir); 3444 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3445 lang_path, script_dirent->d_name); 3446 closedir(lang_dir); 3447 return strdup(script_path); 3448 } 3449 free(__script_root); 3450 } 3451 closedir(lang_dir); 3452 } 3453 closedir(scripts_dir); 3454 3455 return NULL; 3456 } 3457 3458 static bool is_top_script(const char *script_path) 3459 { 3460 return ends_with(script_path, "top") != NULL; 3461 } 3462 3463 static int has_required_arg(char *script_path) 3464 { 3465 struct script_desc *desc; 3466 int n_args = 0; 3467 char *p; 3468 3469 desc = script_desc__new(NULL); 3470 3471 if (read_script_info(desc, script_path)) 3472 goto out; 3473 3474 if (!desc->args) 3475 goto out; 3476 3477 for (p = desc->args; *p; p++) 3478 if (*p == '<') 3479 n_args++; 3480 out: 3481 script_desc__delete(desc); 3482 3483 return n_args; 3484 } 3485 3486 static int have_cmd(int argc, const char **argv) 3487 { 3488 char **__argv = malloc(sizeof(const char *) * argc); 3489 3490 if (!__argv) { 3491 pr_err("malloc failed\n"); 3492 return -1; 3493 } 3494 3495 memcpy(__argv, argv, sizeof(const char *) * argc); 3496 argc = parse_options(argc, (const char **)__argv, record_options, 3497 NULL, PARSE_OPT_STOP_AT_NON_OPTION); 3498 free(__argv); 3499 3500 system_wide = (argc == 0); 3501 3502 return 0; 3503 } 3504 3505 static void script__setup_sample_type(struct perf_script *script) 3506 { 3507 struct perf_session *session = script->session; 3508 u64 sample_type = evlist__combined_sample_type(session->evlist); 3509 3510 callchain_param_setup(sample_type, perf_env__arch(session->machines.host.env)); 3511 3512 if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) { 3513 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n" 3514 "Please apply --call-graph lbr when recording.\n"); 3515 script->stitch_lbr = false; 3516 } 3517 } 3518 3519 static int process_stat_round_event(struct perf_session *session, 3520 union perf_event *event) 3521 { 3522 struct perf_record_stat_round *round = &event->stat_round; 3523 struct evsel *counter; 3524 3525 evlist__for_each_entry(session->evlist, counter) { 3526 perf_stat_process_counter(&stat_config, counter); 3527 process_stat(counter, round->time); 3528 } 3529 3530 process_stat_interval(round->time); 3531 return 0; 3532 } 3533 3534 static int process_stat_config_event(struct perf_session *session __maybe_unused, 3535 union perf_event *event) 3536 { 3537 perf_event__read_stat_config(&stat_config, &event->stat_config); 3538 3539 /* 3540 * Aggregation modes are not used since post-processing scripts are 3541 * supposed to take care of such requirements 3542 */ 3543 stat_config.aggr_mode = AGGR_NONE; 3544 3545 return 0; 3546 } 3547 3548 static int set_maps(struct perf_script *script) 3549 { 3550 struct evlist *evlist = script->session->evlist; 3551 3552 if (!script->cpus || !script->threads) 3553 return 0; 3554 3555 if (WARN_ONCE(script->allocated, "stats double allocation\n")) 3556 return -EINVAL; 3557 3558 perf_evlist__set_maps(&evlist->core, script->cpus, script->threads); 3559 3560 if (evlist__alloc_stats(&stat_config, evlist, /*alloc_raw=*/true)) 3561 return -ENOMEM; 3562 3563 script->allocated = true; 3564 return 0; 3565 } 3566 3567 static 3568 int process_thread_map_event(struct perf_session *session, 3569 union perf_event *event) 3570 { 3571 const struct perf_tool *tool = session->tool; 3572 struct perf_script *script = container_of(tool, struct perf_script, tool); 3573 3574 if (dump_trace) 3575 perf_event__fprintf_thread_map(event, stdout); 3576 3577 if (script->threads) { 3578 pr_warning("Extra thread map event, ignoring.\n"); 3579 return 0; 3580 } 3581 3582 script->threads = thread_map__new_event(&event->thread_map); 3583 if (!script->threads) 3584 return -ENOMEM; 3585 3586 return set_maps(script); 3587 } 3588 3589 static 3590 int process_cpu_map_event(struct perf_session *session, 3591 union perf_event *event) 3592 { 3593 const struct perf_tool *tool = session->tool; 3594 struct perf_script *script = container_of(tool, struct perf_script, tool); 3595 3596 if (dump_trace) 3597 perf_event__fprintf_cpu_map(event, stdout); 3598 3599 if (script->cpus) { 3600 pr_warning("Extra cpu map event, ignoring.\n"); 3601 return 0; 3602 } 3603 3604 script->cpus = cpu_map__new_data(&event->cpu_map.data); 3605 if (!script->cpus) 3606 return -ENOMEM; 3607 3608 return set_maps(script); 3609 } 3610 3611 static int process_feature_event(struct perf_session *session, 3612 union perf_event *event) 3613 { 3614 if (event->feat.feat_id < HEADER_LAST_FEATURE) 3615 return perf_event__process_feature(session, event); 3616 return 0; 3617 } 3618 3619 #ifdef HAVE_AUXTRACE_SUPPORT 3620 static int perf_script__process_auxtrace_info(struct perf_session *session, 3621 union perf_event *event) 3622 { 3623 int ret = perf_event__process_auxtrace_info(session, event); 3624 3625 if (ret == 0) { 3626 const struct perf_tool *tool = session->tool; 3627 struct perf_script *script = container_of(tool, struct perf_script, tool); 3628 3629 ret = perf_script__setup_per_event_dump(script); 3630 } 3631 3632 return ret; 3633 } 3634 #else 3635 #define perf_script__process_auxtrace_info 0 3636 #endif 3637 3638 static int parse_insn_trace(const struct option *opt __maybe_unused, 3639 const char *str, int unset __maybe_unused) 3640 { 3641 const char *fields = "+insn,-event,-period"; 3642 int ret; 3643 3644 if (str) { 3645 if (strcmp(str, "disasm") == 0) 3646 fields = "+disasm,-event,-period"; 3647 else if (strlen(str) != 0 && strcmp(str, "raw") != 0) { 3648 fprintf(stderr, "Only accept raw|disasm\n"); 3649 return -EINVAL; 3650 } 3651 } 3652 3653 ret = parse_output_fields(NULL, fields, 0); 3654 if (ret < 0) 3655 return ret; 3656 3657 itrace_parse_synth_opts(opt, "i0nse", 0); 3658 symbol_conf.nanosecs = true; 3659 return 0; 3660 } 3661 3662 static int parse_xed(const struct option *opt __maybe_unused, 3663 const char *str __maybe_unused, 3664 int unset __maybe_unused) 3665 { 3666 if (isatty(1)) 3667 force_pager("xed -F insn: -A -64 | less"); 3668 else 3669 force_pager("xed -F insn: -A -64"); 3670 return 0; 3671 } 3672 3673 static int parse_call_trace(const struct option *opt __maybe_unused, 3674 const char *str __maybe_unused, 3675 int unset __maybe_unused) 3676 { 3677 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0); 3678 itrace_parse_synth_opts(opt, "cewp", 0); 3679 symbol_conf.nanosecs = true; 3680 symbol_conf.pad_output_len_dso = 50; 3681 return 0; 3682 } 3683 3684 static int parse_callret_trace(const struct option *opt __maybe_unused, 3685 const char *str __maybe_unused, 3686 int unset __maybe_unused) 3687 { 3688 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0); 3689 itrace_parse_synth_opts(opt, "crewp", 0); 3690 symbol_conf.nanosecs = true; 3691 return 0; 3692 } 3693 3694 int cmd_script(int argc, const char **argv) 3695 { 3696 bool show_full_info = false; 3697 bool header = false; 3698 bool header_only = false; 3699 bool script_started = false; 3700 bool unsorted_dump = false; 3701 char *rec_script_path = NULL; 3702 char *rep_script_path = NULL; 3703 struct perf_session *session; 3704 struct itrace_synth_opts itrace_synth_opts = { 3705 .set = false, 3706 .default_no_sample = true, 3707 }; 3708 struct utsname uts; 3709 char *script_path = NULL; 3710 const char *dlfilter_file = NULL; 3711 const char **__argv; 3712 int i, j, err = 0; 3713 struct perf_script script = {}; 3714 struct perf_data data = { 3715 .mode = PERF_DATA_MODE_READ, 3716 }; 3717 const struct option options[] = { 3718 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 3719 "dump raw trace in ASCII"), 3720 OPT_BOOLEAN(0, "dump-unsorted-raw-trace", &unsorted_dump, 3721 "dump unsorted raw trace in ASCII"), 3722 OPT_INCR('v', "verbose", &verbose, 3723 "be more verbose (show symbol address, etc)"), 3724 OPT_BOOLEAN('L', "Latency", &latency_format, 3725 "show latency attributes (irqs/preemption disabled, etc)"), 3726 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", 3727 list_available_scripts), 3728 OPT_CALLBACK_NOOPT(0, "list-dlfilters", NULL, NULL, "list available dlfilters", 3729 list_available_dlfilters), 3730 OPT_CALLBACK('s', "script", NULL, "name", 3731 "script file name (lang:script name, script name, or *)", 3732 parse_scriptname), 3733 OPT_STRING('g', "gen-script", &generate_script_lang, "lang", 3734 "generate perf-script.xx script in specified language"), 3735 OPT_STRING(0, "dlfilter", &dlfilter_file, "file", "filter .so file name"), 3736 OPT_CALLBACK(0, "dlarg", NULL, "argument", "filter argument", 3737 add_dlarg), 3738 OPT_STRING('i', "input", &input_name, "file", "input file name"), 3739 OPT_BOOLEAN('d', "debug-mode", &debug_mode, 3740 "do various checks like samples ordering and lost events"), 3741 OPT_BOOLEAN(0, "header", &header, "Show data header."), 3742 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."), 3743 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 3744 "file", "vmlinux pathname"), 3745 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 3746 "file", "kallsyms pathname"), 3747 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, 3748 "When printing symbols do not display call chain"), 3749 OPT_CALLBACK(0, "symfs", NULL, "directory", 3750 "Look for files with symbols relative to this directory", 3751 symbol__config_symfs), 3752 OPT_CALLBACK('F', "fields", NULL, "str", 3753 "comma separated output fields prepend with 'type:'. " 3754 "+field to add and -field to remove." 3755 "Valid types: hw,sw,trace,raw,synth. " 3756 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,dsoff," 3757 "addr,symoff,srcline,period,iregs,uregs,brstack," 3758 "brstacksym,flags,data_src,weight,bpf-output,brstackinsn," 3759 "brstackinsnlen,brstackdisasm,brstackoff,callindent,insn,disasm,insnlen,synth," 3760 "phys_addr,metric,misc,srccode,ipc,tod,data_page_size," 3761 "code_page_size,ins_lat,machine_pid,vcpu,cgroup,retire_lat," 3762 "brcntr", 3763 parse_output_fields), 3764 OPT_BOOLEAN('a', "all-cpus", &system_wide, 3765 "system-wide collection from all CPUs"), 3766 OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", 3767 "only consider symbols in these DSOs"), 3768 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 3769 "only consider these symbols"), 3770 OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range, 3771 "Use with -S to list traced records within address range"), 3772 OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, "raw|disasm", 3773 "Decode instructions from itrace", parse_insn_trace), 3774 OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL, 3775 "Run xed disassembler on output", parse_xed), 3776 OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL, 3777 "Decode calls from itrace", parse_call_trace), 3778 OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL, 3779 "Decode calls and returns from itrace", parse_callret_trace), 3780 OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]", 3781 "Only print symbols and callees with --call-trace/--call-ret-trace"), 3782 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]", 3783 "Stop display of callgraph at these symbols"), 3784 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), 3785 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 3786 "only display events for these comms"), 3787 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 3788 "only consider symbols in these pids"), 3789 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 3790 "only consider symbols in these tids"), 3791 OPT_UINTEGER(0, "max-stack", &scripting_max_stack, 3792 "Set the maximum stack depth when parsing the callchain, " 3793 "anything beyond the specified depth will be ignored. " 3794 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 3795 OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"), 3796 OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"), 3797 OPT_BOOLEAN('I', "show-info", &show_full_info, 3798 "display extended information from perf.data file"), 3799 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, 3800 "Show the path of [kernel.kallsyms]"), 3801 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, 3802 "Show the fork/comm/exit events"), 3803 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, 3804 "Show the mmap events"), 3805 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events, 3806 "Show context switch events (if recorded)"), 3807 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events, 3808 "Show namespace events (if recorded)"), 3809 OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events, 3810 "Show cgroup events (if recorded)"), 3811 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events, 3812 "Show lost events (if recorded)"), 3813 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events, 3814 "Show round events (if recorded)"), 3815 OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events, 3816 "Show bpf related events (if recorded)"), 3817 OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events, 3818 "Show text poke related events (if recorded)"), 3819 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump, 3820 "Dump trace output to files named by the monitored events"), 3821 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 3822 OPT_INTEGER(0, "max-blocks", &max_blocks, 3823 "Maximum number of code blocks to dump with brstackinsn"), 3824 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, 3825 "Use 9 decimal places when displaying time"), 3826 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 3827 "Instruction Tracing options\n" ITRACE_HELP, 3828 itrace_parse_synth_opts), 3829 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 3830 "Show full source file name path for source lines"), 3831 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 3832 "Enable symbol demangling"), 3833 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 3834 "Enable kernel symbol demangling"), 3835 OPT_STRING(0, "addr2line", &symbol_conf.addr2line_path, "path", 3836 "addr2line binary to use for line numbers"), 3837 OPT_STRING(0, "time", &script.time_str, "str", 3838 "Time span of interest (start,stop)"), 3839 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 3840 "Show inline function"), 3841 OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory", 3842 "guest mount directory under which every guest os" 3843 " instance has a subdir"), 3844 OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name, 3845 "file", "file saving guest os vmlinux"), 3846 OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms, 3847 "file", "file saving guest os /proc/kallsyms"), 3848 OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules, 3849 "file", "file saving guest os /proc/modules"), 3850 OPT_BOOLEAN(0, "guest-code", &symbol_conf.guest_code, 3851 "Guest code can be found in hypervisor process"), 3852 OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr, 3853 "Enable LBR callgraph stitching approach"), 3854 OPTS_EVSWITCH(&script.evswitch), 3855 OPT_END() 3856 }; 3857 const char * const script_subcommands[] = { "record", "report", NULL }; 3858 const char *script_usage[] = { 3859 "perf script [<options>]", 3860 "perf script [<options>] record <script> [<record-options>] <command>", 3861 "perf script [<options>] report <script> [script-args]", 3862 "perf script [<options>] <script> [<record-options>] <command>", 3863 "perf script [<options>] <top-script> [script-args]", 3864 NULL 3865 }; 3866 struct perf_env *env; 3867 3868 perf_set_singlethreaded(); 3869 3870 setup_scripting(); 3871 3872 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage, 3873 PARSE_OPT_STOP_AT_NON_OPTION); 3874 3875 if (symbol_conf.guestmount || 3876 symbol_conf.default_guest_vmlinux_name || 3877 symbol_conf.default_guest_kallsyms || 3878 symbol_conf.default_guest_modules || 3879 symbol_conf.guest_code) { 3880 /* 3881 * Enable guest sample processing. 3882 */ 3883 perf_guest = true; 3884 } 3885 3886 data.path = input_name; 3887 data.force = symbol_conf.force; 3888 3889 if (unsorted_dump) 3890 dump_trace = true; 3891 3892 if (symbol__validate_sym_arguments()) 3893 return -1; 3894 3895 if (argc > 1 && strlen(argv[0]) > 2 && strstarts("record", argv[0])) { 3896 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); 3897 if (!rec_script_path) 3898 return cmd_record(argc, argv); 3899 } 3900 3901 if (argc > 1 && strlen(argv[0]) > 2 && strstarts("report", argv[0])) { 3902 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); 3903 if (!rep_script_path) { 3904 fprintf(stderr, 3905 "Please specify a valid report script" 3906 "(see 'perf script -l' for listing)\n"); 3907 return -1; 3908 } 3909 } 3910 3911 if (reltime && deltatime) { 3912 fprintf(stderr, 3913 "reltime and deltatime - the two don't get along well. " 3914 "Please limit to --reltime or --deltatime.\n"); 3915 return -1; 3916 } 3917 3918 if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) && 3919 itrace_synth_opts.callchain_sz > scripting_max_stack) 3920 scripting_max_stack = itrace_synth_opts.callchain_sz; 3921 3922 /* make sure PERF_EXEC_PATH is set for scripts */ 3923 set_argv_exec_path(get_argv_exec_path()); 3924 3925 if (argc && !script_name && !rec_script_path && !rep_script_path) { 3926 int live_pipe[2]; 3927 int rep_args; 3928 pid_t pid; 3929 3930 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); 3931 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); 3932 3933 if (!rec_script_path && !rep_script_path) { 3934 script_name = find_script(argv[0]); 3935 if (script_name) { 3936 argc -= 1; 3937 argv += 1; 3938 goto script_found; 3939 } 3940 usage_with_options_msg(script_usage, options, 3941 "Couldn't find script `%s'\n\n See perf" 3942 " script -l for available scripts.\n", argv[0]); 3943 } 3944 3945 if (is_top_script(argv[0])) { 3946 rep_args = argc - 1; 3947 } else { 3948 int rec_args; 3949 3950 rep_args = has_required_arg(rep_script_path); 3951 rec_args = (argc - 1) - rep_args; 3952 if (rec_args < 0) { 3953 usage_with_options_msg(script_usage, options, 3954 "`%s' script requires options." 3955 "\n\n See perf script -l for available " 3956 "scripts and options.\n", argv[0]); 3957 } 3958 } 3959 3960 if (pipe(live_pipe) < 0) { 3961 perror("failed to create pipe"); 3962 return -1; 3963 } 3964 3965 pid = fork(); 3966 if (pid < 0) { 3967 perror("failed to fork"); 3968 return -1; 3969 } 3970 3971 if (!pid) { 3972 j = 0; 3973 3974 dup2(live_pipe[1], 1); 3975 close(live_pipe[0]); 3976 3977 if (is_top_script(argv[0])) { 3978 system_wide = true; 3979 } else if (!system_wide) { 3980 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { 3981 err = -1; 3982 goto out; 3983 } 3984 } 3985 3986 __argv = malloc((argc + 6) * sizeof(const char *)); 3987 if (!__argv) { 3988 pr_err("malloc failed\n"); 3989 err = -ENOMEM; 3990 goto out; 3991 } 3992 3993 __argv[j++] = "/bin/sh"; 3994 __argv[j++] = rec_script_path; 3995 if (system_wide) 3996 __argv[j++] = "-a"; 3997 __argv[j++] = "-q"; 3998 __argv[j++] = "-o"; 3999 __argv[j++] = "-"; 4000 for (i = rep_args + 1; i < argc; i++) 4001 __argv[j++] = argv[i]; 4002 __argv[j++] = NULL; 4003 4004 execvp("/bin/sh", (char **)__argv); 4005 free(__argv); 4006 exit(-1); 4007 } 4008 4009 dup2(live_pipe[0], 0); 4010 close(live_pipe[1]); 4011 4012 __argv = malloc((argc + 4) * sizeof(const char *)); 4013 if (!__argv) { 4014 pr_err("malloc failed\n"); 4015 err = -ENOMEM; 4016 goto out; 4017 } 4018 4019 j = 0; 4020 __argv[j++] = "/bin/sh"; 4021 __argv[j++] = rep_script_path; 4022 for (i = 1; i < rep_args + 1; i++) 4023 __argv[j++] = argv[i]; 4024 __argv[j++] = "-i"; 4025 __argv[j++] = "-"; 4026 __argv[j++] = NULL; 4027 4028 execvp("/bin/sh", (char **)__argv); 4029 free(__argv); 4030 exit(-1); 4031 } 4032 script_found: 4033 if (rec_script_path) 4034 script_path = rec_script_path; 4035 if (rep_script_path) 4036 script_path = rep_script_path; 4037 4038 if (script_path) { 4039 j = 0; 4040 4041 if (!rec_script_path) 4042 system_wide = false; 4043 else if (!system_wide) { 4044 if (have_cmd(argc - 1, &argv[1]) != 0) { 4045 err = -1; 4046 goto out; 4047 } 4048 } 4049 4050 __argv = malloc((argc + 2) * sizeof(const char *)); 4051 if (!__argv) { 4052 pr_err("malloc failed\n"); 4053 err = -ENOMEM; 4054 goto out; 4055 } 4056 4057 __argv[j++] = "/bin/sh"; 4058 __argv[j++] = script_path; 4059 if (system_wide) 4060 __argv[j++] = "-a"; 4061 for (i = 2; i < argc; i++) 4062 __argv[j++] = argv[i]; 4063 __argv[j++] = NULL; 4064 4065 execvp("/bin/sh", (char **)__argv); 4066 free(__argv); 4067 exit(-1); 4068 } 4069 4070 if (dlfilter_file) { 4071 dlfilter = dlfilter__new(dlfilter_file, dlargc, dlargv); 4072 if (!dlfilter) 4073 return -1; 4074 } 4075 4076 if (!script_name) { 4077 setup_pager(); 4078 use_browser = 0; 4079 } 4080 4081 perf_tool__init(&script.tool, !unsorted_dump); 4082 script.tool.sample = process_sample_event; 4083 script.tool.mmap = perf_event__process_mmap; 4084 script.tool.mmap2 = perf_event__process_mmap2; 4085 script.tool.comm = perf_event__process_comm; 4086 script.tool.namespaces = perf_event__process_namespaces; 4087 script.tool.cgroup = perf_event__process_cgroup; 4088 script.tool.exit = perf_event__process_exit; 4089 script.tool.fork = perf_event__process_fork; 4090 script.tool.attr = process_attr; 4091 script.tool.event_update = perf_event__process_event_update; 4092 #ifdef HAVE_LIBTRACEEVENT 4093 script.tool.tracing_data = perf_event__process_tracing_data; 4094 #endif 4095 script.tool.feature = process_feature_event; 4096 script.tool.build_id = perf_event__process_build_id; 4097 script.tool.id_index = perf_event__process_id_index; 4098 script.tool.auxtrace_info = perf_script__process_auxtrace_info; 4099 script.tool.auxtrace = perf_event__process_auxtrace; 4100 script.tool.auxtrace_error = perf_event__process_auxtrace_error; 4101 script.tool.stat = perf_event__process_stat_event; 4102 script.tool.stat_round = process_stat_round_event; 4103 script.tool.stat_config = process_stat_config_event; 4104 script.tool.thread_map = process_thread_map_event; 4105 script.tool.cpu_map = process_cpu_map_event; 4106 script.tool.throttle = process_throttle_event; 4107 script.tool.unthrottle = process_throttle_event; 4108 script.tool.ordering_requires_timestamps = true; 4109 session = perf_session__new(&data, &script.tool); 4110 if (IS_ERR(session)) 4111 return PTR_ERR(session); 4112 4113 env = perf_session__env(session); 4114 if (header || header_only) { 4115 script.tool.show_feat_hdr = SHOW_FEAT_HEADER; 4116 perf_session__fprintf_info(session, stdout, show_full_info); 4117 if (header_only) 4118 goto out_delete; 4119 } 4120 if (show_full_info) 4121 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 4122 4123 if (symbol__init(env) < 0) 4124 goto out_delete; 4125 4126 uname(&uts); 4127 if (data.is_pipe) { /* Assume pipe_mode indicates native_arch */ 4128 native_arch = true; 4129 } else if (env->arch) { 4130 if (!strcmp(uts.machine, env->arch)) 4131 native_arch = true; 4132 else if (!strcmp(uts.machine, "x86_64") && 4133 !strcmp(env->arch, "i386")) 4134 native_arch = true; 4135 } 4136 4137 script.session = session; 4138 script__setup_sample_type(&script); 4139 4140 if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) || 4141 symbol_conf.graph_function) 4142 itrace_synth_opts.thread_stack = true; 4143 4144 session->itrace_synth_opts = &itrace_synth_opts; 4145 4146 if (cpu_list) { 4147 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap); 4148 if (err < 0) 4149 goto out_delete; 4150 itrace_synth_opts.cpu_bitmap = cpu_bitmap; 4151 } 4152 4153 if (!no_callchain) 4154 symbol_conf.use_callchain = true; 4155 else 4156 symbol_conf.use_callchain = false; 4157 4158 #ifdef HAVE_LIBTRACEEVENT 4159 if (session->tevent.pevent && 4160 tep_set_function_resolver(session->tevent.pevent, 4161 machine__resolve_kernel_addr, 4162 &session->machines.host) < 0) { 4163 pr_err("%s: failed to set libtraceevent function resolver\n", __func__); 4164 err = -1; 4165 goto out_delete; 4166 } 4167 #endif 4168 if (generate_script_lang) { 4169 struct stat perf_stat; 4170 int input; 4171 4172 if (output_set_by_user()) { 4173 fprintf(stderr, 4174 "custom fields not supported for generated scripts"); 4175 err = -EINVAL; 4176 goto out_delete; 4177 } 4178 4179 input = open(data.path, O_RDONLY); /* input_name */ 4180 if (input < 0) { 4181 err = -errno; 4182 perror("failed to open file"); 4183 goto out_delete; 4184 } 4185 4186 err = fstat(input, &perf_stat); 4187 if (err < 0) { 4188 perror("failed to stat file"); 4189 goto out_delete; 4190 } 4191 4192 if (!perf_stat.st_size) { 4193 fprintf(stderr, "zero-sized file, nothing to do!\n"); 4194 goto out_delete; 4195 } 4196 4197 scripting_ops = script_spec__lookup(generate_script_lang); 4198 if (!scripting_ops) { 4199 fprintf(stderr, "invalid language specifier"); 4200 err = -ENOENT; 4201 goto out_delete; 4202 } 4203 #ifdef HAVE_LIBTRACEEVENT 4204 err = scripting_ops->generate_script(session->tevent.pevent, 4205 "perf-script"); 4206 #else 4207 err = scripting_ops->generate_script(NULL, "perf-script"); 4208 #endif 4209 goto out_delete; 4210 } 4211 4212 err = dlfilter__start(dlfilter, session); 4213 if (err) 4214 goto out_delete; 4215 4216 if (script_name) { 4217 err = scripting_ops->start_script(script_name, argc, argv, session); 4218 if (err) 4219 goto out_delete; 4220 pr_debug("perf script started with script %s\n\n", script_name); 4221 script_started = true; 4222 } 4223 4224 4225 err = perf_session__check_output_opt(session); 4226 if (err < 0) 4227 goto out_delete; 4228 4229 if (script.time_str) { 4230 err = perf_time__parse_for_ranges_reltime(script.time_str, session, 4231 &script.ptime_range, 4232 &script.range_size, 4233 &script.range_num, 4234 reltime); 4235 if (err < 0) 4236 goto out_delete; 4237 4238 itrace_synth_opts__set_time_range(&itrace_synth_opts, 4239 script.ptime_range, 4240 script.range_num); 4241 } 4242 4243 err = evswitch__init(&script.evswitch, session->evlist, stderr); 4244 if (err) 4245 goto out_delete; 4246 4247 if (zstd_init(&(session->zstd_data), 0) < 0) 4248 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n"); 4249 4250 err = __cmd_script(&script); 4251 4252 flush_scripting(); 4253 4254 if (verbose > 2 || debug_kmaps) 4255 perf_session__dump_kmaps(session); 4256 4257 out_delete: 4258 if (script.ptime_range) { 4259 itrace_synth_opts__clear_time_range(&itrace_synth_opts); 4260 zfree(&script.ptime_range); 4261 } 4262 4263 zstd_fini(&(session->zstd_data)); 4264 evlist__free_stats(session->evlist); 4265 perf_session__delete(session); 4266 perf_script__exit(&script); 4267 4268 if (script_started) 4269 cleanup_scripting(); 4270 dlfilter__cleanup(dlfilter); 4271 free_dlarg(); 4272 out: 4273 return err; 4274 } 4275