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 && !session->header.env.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 = &script->session->header.env; 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 NULL); 2141 } 2142 evsel_script(leader)->gnum = 0; 2143 } 2144 } 2145 2146 static bool show_event(struct perf_sample *sample, 2147 struct evsel *evsel, 2148 struct thread *thread, 2149 struct addr_location *al, 2150 struct addr_location *addr_al) 2151 { 2152 int depth = thread_stack__depth(thread, sample->cpu); 2153 2154 if (!symbol_conf.graph_function) 2155 return true; 2156 2157 if (thread__filter(thread)) { 2158 if (depth <= thread__filter_entry_depth(thread)) { 2159 thread__set_filter(thread, false); 2160 return false; 2161 } 2162 return true; 2163 } else { 2164 const char *s = symbol_conf.graph_function; 2165 u64 ip; 2166 const char *name = resolve_branch_sym(sample, evsel, thread, al, addr_al, 2167 &ip); 2168 unsigned nlen; 2169 2170 if (!name) 2171 return false; 2172 nlen = strlen(name); 2173 while (*s) { 2174 unsigned len = strcspn(s, ","); 2175 if (nlen == len && !strncmp(name, s, len)) { 2176 thread__set_filter(thread, true); 2177 thread__set_filter_entry_depth(thread, depth); 2178 return true; 2179 } 2180 s += len; 2181 if (*s == ',') 2182 s++; 2183 } 2184 return false; 2185 } 2186 } 2187 2188 static void process_event(struct perf_script *script, 2189 struct perf_sample *sample, struct evsel *evsel, 2190 struct addr_location *al, 2191 struct addr_location *addr_al, 2192 struct machine *machine) 2193 { 2194 struct thread *thread = al->thread; 2195 struct perf_event_attr *attr = &evsel->core.attr; 2196 unsigned int type = evsel__output_type(evsel); 2197 struct evsel_script *es = evsel->priv; 2198 FILE *fp = es->fp; 2199 char str[PAGE_SIZE_NAME_LEN]; 2200 const char *arch = perf_env__arch(machine->env); 2201 2202 if (output[type].fields == 0) 2203 return; 2204 2205 ++es->samples; 2206 2207 perf_sample__fprintf_start(script, sample, thread, evsel, 2208 PERF_RECORD_SAMPLE, fp); 2209 2210 if (PRINT_FIELD(PERIOD)) 2211 fprintf(fp, "%10" PRIu64 " ", sample->period); 2212 2213 if (PRINT_FIELD(EVNAME)) { 2214 const char *evname = evsel__name(evsel); 2215 2216 if (!script->name_width) 2217 script->name_width = evlist__max_name_len(script->session->evlist); 2218 2219 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]"); 2220 } 2221 2222 if (print_flags) 2223 perf_sample__fprintf_flags(sample->flags, fp); 2224 2225 if (is_bts_event(attr)) { 2226 perf_sample__fprintf_bts(sample, evsel, thread, al, addr_al, machine, fp); 2227 return; 2228 } 2229 #ifdef HAVE_LIBTRACEEVENT 2230 if (PRINT_FIELD(TRACE) && sample->raw_data) { 2231 const struct tep_event *tp_format = evsel__tp_format(evsel); 2232 2233 if (tp_format) { 2234 event_format__fprintf(tp_format, sample->cpu, 2235 sample->raw_data, sample->raw_size, 2236 fp); 2237 } 2238 } 2239 #endif 2240 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH)) 2241 perf_sample__fprintf_synth(sample, evsel, fp); 2242 2243 if (PRINT_FIELD(ADDR)) 2244 perf_sample__fprintf_addr(sample, thread, evsel, fp); 2245 2246 if (PRINT_FIELD(DATA_SRC)) 2247 data_src__fprintf(sample->data_src, fp); 2248 2249 if (PRINT_FIELD(WEIGHT)) 2250 fprintf(fp, "%16" PRIu64, sample->weight); 2251 2252 if (PRINT_FIELD(INS_LAT)) 2253 fprintf(fp, "%16" PRIu16, sample->ins_lat); 2254 2255 if (PRINT_FIELD(RETIRE_LAT)) 2256 fprintf(fp, "%16" PRIu16, sample->retire_lat); 2257 2258 if (PRINT_FIELD(CGROUP)) { 2259 const char *cgrp_name; 2260 struct cgroup *cgrp = cgroup__find(machine->env, 2261 sample->cgroup); 2262 if (cgrp != NULL) 2263 cgrp_name = cgrp->name; 2264 else 2265 cgrp_name = "unknown"; 2266 fprintf(fp, " %s", cgrp_name); 2267 } 2268 2269 if (PRINT_FIELD(IP)) { 2270 struct callchain_cursor *cursor = NULL; 2271 2272 if (script->stitch_lbr) 2273 thread__set_lbr_stitch_enable(al->thread, true); 2274 2275 if (symbol_conf.use_callchain && sample->callchain) { 2276 cursor = get_tls_callchain_cursor(); 2277 if (thread__resolve_callchain(al->thread, cursor, evsel, 2278 sample, NULL, NULL, 2279 scripting_max_stack)) 2280 cursor = NULL; 2281 } 2282 fputc(cursor ? '\n' : ' ', fp); 2283 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, 2284 symbol_conf.bt_stop_list, fp); 2285 } 2286 2287 if (PRINT_FIELD(IREGS)) 2288 perf_sample__fprintf_iregs(sample, attr, arch, fp); 2289 2290 if (PRINT_FIELD(UREGS)) 2291 perf_sample__fprintf_uregs(sample, attr, arch, fp); 2292 2293 if (PRINT_FIELD(BRSTACK)) 2294 perf_sample__fprintf_brstack(sample, thread, evsel, fp); 2295 else if (PRINT_FIELD(BRSTACKSYM)) 2296 perf_sample__fprintf_brstacksym(sample, thread, evsel, fp); 2297 else if (PRINT_FIELD(BRSTACKOFF)) 2298 perf_sample__fprintf_brstackoff(sample, thread, evsel, fp); 2299 2300 if (evsel__is_bpf_output(evsel) && !evsel__is_offcpu_event(evsel) && PRINT_FIELD(BPF_OUTPUT)) 2301 perf_sample__fprintf_bpf_output(sample, fp); 2302 perf_sample__fprintf_insn(sample, evsel, attr, thread, machine, fp, al); 2303 2304 if (PRINT_FIELD(PHYS_ADDR)) 2305 fprintf(fp, "%16" PRIx64, sample->phys_addr); 2306 2307 if (PRINT_FIELD(DATA_PAGE_SIZE)) 2308 fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str)); 2309 2310 if (PRINT_FIELD(CODE_PAGE_SIZE)) 2311 fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str)); 2312 2313 perf_sample__fprintf_ipc(sample, evsel, fp); 2314 2315 fprintf(fp, "\n"); 2316 2317 if (PRINT_FIELD(SRCCODE)) { 2318 if (map__fprintf_srccode(al->map, al->addr, stdout, 2319 thread__srccode_state(thread))) 2320 printf("\n"); 2321 } 2322 2323 if (PRINT_FIELD(METRIC)) 2324 perf_sample__fprint_metric(script, thread, evsel, sample, fp); 2325 2326 if (verbose > 0) 2327 fflush(fp); 2328 } 2329 2330 static struct scripting_ops *scripting_ops; 2331 2332 static void __process_stat(struct evsel *counter, u64 tstamp) 2333 { 2334 int nthreads = perf_thread_map__nr(counter->core.threads); 2335 int idx, thread; 2336 struct perf_cpu cpu; 2337 static int header_printed; 2338 2339 if (!header_printed) { 2340 printf("%3s %8s %15s %15s %15s %15s %s\n", 2341 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT"); 2342 header_printed = 1; 2343 } 2344 2345 for (thread = 0; thread < nthreads; thread++) { 2346 perf_cpu_map__for_each_cpu(cpu, idx, evsel__cpus(counter)) { 2347 struct perf_counts_values *counts; 2348 2349 counts = perf_counts(counter->counts, idx, thread); 2350 2351 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n", 2352 cpu.cpu, 2353 perf_thread_map__pid(counter->core.threads, thread), 2354 counts->val, 2355 counts->ena, 2356 counts->run, 2357 tstamp, 2358 evsel__name(counter)); 2359 } 2360 } 2361 } 2362 2363 static void process_stat(struct evsel *counter, u64 tstamp) 2364 { 2365 if (scripting_ops && scripting_ops->process_stat) 2366 scripting_ops->process_stat(&stat_config, counter, tstamp); 2367 else 2368 __process_stat(counter, tstamp); 2369 } 2370 2371 static void process_stat_interval(u64 tstamp) 2372 { 2373 if (scripting_ops && scripting_ops->process_stat_interval) 2374 scripting_ops->process_stat_interval(tstamp); 2375 } 2376 2377 static void setup_scripting(void) 2378 { 2379 #ifdef HAVE_LIBTRACEEVENT 2380 setup_perl_scripting(); 2381 #endif 2382 setup_python_scripting(); 2383 } 2384 2385 static int flush_scripting(void) 2386 { 2387 return scripting_ops ? scripting_ops->flush_script() : 0; 2388 } 2389 2390 static int cleanup_scripting(void) 2391 { 2392 pr_debug("\nperf script stopped\n"); 2393 2394 return scripting_ops ? scripting_ops->stop_script() : 0; 2395 } 2396 2397 static bool filter_cpu(struct perf_sample *sample) 2398 { 2399 if (cpu_list && sample->cpu != (u32)-1) 2400 return !test_bit(sample->cpu, cpu_bitmap); 2401 return false; 2402 } 2403 2404 static int process_sample_event(const struct perf_tool *tool, 2405 union perf_event *event, 2406 struct perf_sample *sample, 2407 struct evsel *evsel, 2408 struct machine *machine) 2409 { 2410 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2411 struct addr_location al; 2412 struct addr_location addr_al; 2413 int ret = 0; 2414 2415 /* Set thread to NULL to indicate addr_al and al are not initialized */ 2416 addr_location__init(&al); 2417 addr_location__init(&addr_al); 2418 2419 ret = dlfilter__filter_event_early(dlfilter, event, sample, evsel, machine, &al, &addr_al); 2420 if (ret) { 2421 if (ret > 0) 2422 ret = 0; 2423 goto out_put; 2424 } 2425 2426 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num, 2427 sample->time)) { 2428 goto out_put; 2429 } 2430 2431 if (debug_mode) { 2432 if (sample->time < last_timestamp) { 2433 pr_err("Samples misordered, previous: %" PRIu64 2434 " this: %" PRIu64 "\n", last_timestamp, 2435 sample->time); 2436 nr_unordered++; 2437 } 2438 last_timestamp = sample->time; 2439 goto out_put; 2440 } 2441 2442 if (filter_cpu(sample)) 2443 goto out_put; 2444 2445 if (!al.thread && machine__resolve(machine, &al, sample) < 0) { 2446 pr_err("problem processing %d event, skipping it.\n", 2447 event->header.type); 2448 ret = -1; 2449 goto out_put; 2450 } 2451 2452 if (al.filtered) 2453 goto out_put; 2454 2455 if (!show_event(sample, evsel, al.thread, &al, &addr_al)) 2456 goto out_put; 2457 2458 if (evswitch__discard(&scr->evswitch, evsel)) 2459 goto out_put; 2460 2461 ret = dlfilter__filter_event(dlfilter, event, sample, evsel, machine, &al, &addr_al); 2462 if (ret) { 2463 if (ret > 0) 2464 ret = 0; 2465 goto out_put; 2466 } 2467 2468 if (scripting_ops) { 2469 struct addr_location *addr_al_ptr = NULL; 2470 2471 if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 2472 sample_addr_correlates_sym(&evsel->core.attr)) { 2473 if (!addr_al.thread) 2474 thread__resolve(al.thread, &addr_al, sample); 2475 addr_al_ptr = &addr_al; 2476 } 2477 scripting_ops->process_event(event, sample, evsel, &al, addr_al_ptr); 2478 } else { 2479 process_event(scr, sample, evsel, &al, &addr_al, machine); 2480 } 2481 2482 out_put: 2483 addr_location__exit(&addr_al); 2484 addr_location__exit(&al); 2485 return ret; 2486 } 2487 2488 // Used when scr->per_event_dump is not set 2489 static struct evsel_script es_stdout; 2490 2491 static int process_attr(const struct perf_tool *tool, union perf_event *event, 2492 struct evlist **pevlist) 2493 { 2494 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2495 struct evlist *evlist; 2496 struct evsel *evsel, *pos; 2497 u64 sample_type; 2498 int err; 2499 2500 err = perf_event__process_attr(tool, event, pevlist); 2501 if (err) 2502 return err; 2503 2504 evlist = *pevlist; 2505 evsel = evlist__last(*pevlist); 2506 2507 if (!evsel->priv) { 2508 if (scr->per_event_dump) { 2509 evsel->priv = evsel_script__new(evsel, scr->session->data); 2510 if (!evsel->priv) 2511 return -ENOMEM; 2512 } else { // Replicate what is done in perf_script__setup_per_event_dump() 2513 es_stdout.fp = stdout; 2514 evsel->priv = &es_stdout; 2515 } 2516 } 2517 2518 if (evsel->core.attr.type >= PERF_TYPE_MAX && 2519 evsel->core.attr.type != PERF_TYPE_SYNTH) 2520 return 0; 2521 2522 evlist__for_each_entry(evlist, pos) { 2523 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel) 2524 return 0; 2525 } 2526 2527 if (evsel->core.attr.sample_type) { 2528 err = evsel__check_attr(evsel, scr->session); 2529 if (err) 2530 return err; 2531 } 2532 2533 /* 2534 * Check if we need to enable callchains based 2535 * on events sample_type. 2536 */ 2537 sample_type = evlist__combined_sample_type(evlist); 2538 callchain_param_setup(sample_type, perf_env__arch((*pevlist)->env)); 2539 2540 /* Enable fields for callchain entries */ 2541 if (symbol_conf.use_callchain && 2542 (sample_type & PERF_SAMPLE_CALLCHAIN || 2543 sample_type & PERF_SAMPLE_BRANCH_STACK || 2544 (sample_type & PERF_SAMPLE_REGS_USER && 2545 sample_type & PERF_SAMPLE_STACK_USER))) { 2546 int type = evsel__output_type(evsel); 2547 2548 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP)) 2549 output[type].fields |= PERF_OUTPUT_IP; 2550 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM)) 2551 output[type].fields |= PERF_OUTPUT_SYM; 2552 } 2553 evsel__set_print_ip_opts(evsel); 2554 return 0; 2555 } 2556 2557 static int print_event_with_time(const struct perf_tool *tool, 2558 union perf_event *event, 2559 struct perf_sample *sample, 2560 struct machine *machine, 2561 pid_t pid, pid_t tid, u64 timestamp) 2562 { 2563 struct perf_script *script = container_of(tool, struct perf_script, tool); 2564 struct perf_session *session = script->session; 2565 struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id); 2566 struct thread *thread = NULL; 2567 2568 if (evsel && !evsel->core.attr.sample_id_all) { 2569 sample->cpu = 0; 2570 sample->time = timestamp; 2571 sample->pid = pid; 2572 sample->tid = tid; 2573 } 2574 2575 if (filter_cpu(sample)) 2576 return 0; 2577 2578 if (tid != -1) 2579 thread = machine__findnew_thread(machine, pid, tid); 2580 2581 if (evsel) { 2582 perf_sample__fprintf_start(script, sample, thread, evsel, 2583 event->header.type, stdout); 2584 } 2585 2586 perf_event__fprintf(event, machine, stdout); 2587 2588 thread__put(thread); 2589 2590 return 0; 2591 } 2592 2593 static int print_event(const struct perf_tool *tool, union perf_event *event, 2594 struct perf_sample *sample, struct machine *machine, 2595 pid_t pid, pid_t tid) 2596 { 2597 return print_event_with_time(tool, event, sample, machine, pid, tid, 0); 2598 } 2599 2600 static int process_comm_event(const struct perf_tool *tool, 2601 union perf_event *event, 2602 struct perf_sample *sample, 2603 struct machine *machine) 2604 { 2605 if (perf_event__process_comm(tool, event, sample, machine) < 0) 2606 return -1; 2607 2608 return print_event(tool, event, sample, machine, event->comm.pid, 2609 event->comm.tid); 2610 } 2611 2612 static int process_namespaces_event(const struct perf_tool *tool, 2613 union perf_event *event, 2614 struct perf_sample *sample, 2615 struct machine *machine) 2616 { 2617 if (perf_event__process_namespaces(tool, event, sample, machine) < 0) 2618 return -1; 2619 2620 return print_event(tool, event, sample, machine, event->namespaces.pid, 2621 event->namespaces.tid); 2622 } 2623 2624 static int process_cgroup_event(const struct perf_tool *tool, 2625 union perf_event *event, 2626 struct perf_sample *sample, 2627 struct machine *machine) 2628 { 2629 if (perf_event__process_cgroup(tool, event, sample, machine) < 0) 2630 return -1; 2631 2632 return print_event(tool, event, sample, machine, sample->pid, 2633 sample->tid); 2634 } 2635 2636 static int process_fork_event(const struct perf_tool *tool, 2637 union perf_event *event, 2638 struct perf_sample *sample, 2639 struct machine *machine) 2640 { 2641 if (perf_event__process_fork(tool, event, sample, machine) < 0) 2642 return -1; 2643 2644 return print_event_with_time(tool, event, sample, machine, 2645 event->fork.pid, event->fork.tid, 2646 event->fork.time); 2647 } 2648 static int process_exit_event(const struct perf_tool *tool, 2649 union perf_event *event, 2650 struct perf_sample *sample, 2651 struct machine *machine) 2652 { 2653 /* Print before 'exit' deletes anything */ 2654 if (print_event_with_time(tool, event, sample, machine, event->fork.pid, 2655 event->fork.tid, event->fork.time)) 2656 return -1; 2657 2658 return perf_event__process_exit(tool, event, sample, machine); 2659 } 2660 2661 static int process_mmap_event(const struct perf_tool *tool, 2662 union perf_event *event, 2663 struct perf_sample *sample, 2664 struct machine *machine) 2665 { 2666 if (perf_event__process_mmap(tool, event, sample, machine) < 0) 2667 return -1; 2668 2669 return print_event(tool, event, sample, machine, event->mmap.pid, 2670 event->mmap.tid); 2671 } 2672 2673 static int process_mmap2_event(const struct perf_tool *tool, 2674 union perf_event *event, 2675 struct perf_sample *sample, 2676 struct machine *machine) 2677 { 2678 if (perf_event__process_mmap2(tool, event, sample, machine) < 0) 2679 return -1; 2680 2681 return print_event(tool, event, sample, machine, event->mmap2.pid, 2682 event->mmap2.tid); 2683 } 2684 2685 static int process_switch_event(const struct perf_tool *tool, 2686 union perf_event *event, 2687 struct perf_sample *sample, 2688 struct machine *machine) 2689 { 2690 struct perf_script *script = container_of(tool, struct perf_script, tool); 2691 2692 if (perf_event__process_switch(tool, event, sample, machine) < 0) 2693 return -1; 2694 2695 if (scripting_ops && scripting_ops->process_switch && !filter_cpu(sample)) 2696 scripting_ops->process_switch(event, sample, machine); 2697 2698 if (!script->show_switch_events) 2699 return 0; 2700 2701 return print_event(tool, event, sample, machine, sample->pid, 2702 sample->tid); 2703 } 2704 2705 static int process_auxtrace_error(struct perf_session *session, 2706 union perf_event *event) 2707 { 2708 if (scripting_ops && scripting_ops->process_auxtrace_error) { 2709 scripting_ops->process_auxtrace_error(session, event); 2710 return 0; 2711 } 2712 2713 return perf_event__process_auxtrace_error(session, event); 2714 } 2715 2716 static int 2717 process_lost_event(const struct perf_tool *tool, 2718 union perf_event *event, 2719 struct perf_sample *sample, 2720 struct machine *machine) 2721 { 2722 return print_event(tool, event, sample, machine, sample->pid, 2723 sample->tid); 2724 } 2725 2726 static int 2727 process_throttle_event(const struct perf_tool *tool __maybe_unused, 2728 union perf_event *event, 2729 struct perf_sample *sample, 2730 struct machine *machine) 2731 { 2732 if (scripting_ops && scripting_ops->process_throttle) 2733 scripting_ops->process_throttle(event, sample, machine); 2734 return 0; 2735 } 2736 2737 static int 2738 process_finished_round_event(const struct perf_tool *tool __maybe_unused, 2739 union perf_event *event, 2740 struct ordered_events *oe __maybe_unused) 2741 2742 { 2743 perf_event__fprintf(event, NULL, stdout); 2744 return 0; 2745 } 2746 2747 static int 2748 process_bpf_events(const struct perf_tool *tool __maybe_unused, 2749 union perf_event *event, 2750 struct perf_sample *sample, 2751 struct machine *machine) 2752 { 2753 if (machine__process_ksymbol(machine, event, sample) < 0) 2754 return -1; 2755 2756 return print_event(tool, event, sample, machine, sample->pid, 2757 sample->tid); 2758 } 2759 2760 static int 2761 process_bpf_metadata_event(struct perf_session *session __maybe_unused, 2762 union perf_event *event) 2763 { 2764 perf_event__fprintf(event, NULL, stdout); 2765 return 0; 2766 } 2767 2768 static int process_text_poke_events(const struct perf_tool *tool, 2769 union perf_event *event, 2770 struct perf_sample *sample, 2771 struct machine *machine) 2772 { 2773 if (perf_event__process_text_poke(tool, event, sample, machine) < 0) 2774 return -1; 2775 2776 return print_event(tool, event, sample, machine, sample->pid, 2777 sample->tid); 2778 } 2779 2780 static void sig_handler(int sig __maybe_unused) 2781 { 2782 session_done = 1; 2783 } 2784 2785 static void perf_script__fclose_per_event_dump(struct perf_script *script) 2786 { 2787 struct evlist *evlist = script->session->evlist; 2788 struct evsel *evsel; 2789 2790 evlist__for_each_entry(evlist, evsel) { 2791 if (!evsel->priv) 2792 break; 2793 evsel_script__delete(evsel->priv); 2794 evsel->priv = NULL; 2795 } 2796 } 2797 2798 static int perf_script__fopen_per_event_dump(struct perf_script *script) 2799 { 2800 struct evsel *evsel; 2801 2802 evlist__for_each_entry(script->session->evlist, evsel) { 2803 /* 2804 * Already setup? I.e. we may be called twice in cases like 2805 * Intel PT, one for the intel_pt// and dummy events, then 2806 * for the evsels synthesized from the auxtrace info. 2807 * 2808 * Ses perf_script__process_auxtrace_info. 2809 */ 2810 if (evsel->priv != NULL) 2811 continue; 2812 2813 evsel->priv = evsel_script__new(evsel, script->session->data); 2814 if (evsel->priv == NULL) 2815 goto out_err_fclose; 2816 } 2817 2818 return 0; 2819 2820 out_err_fclose: 2821 perf_script__fclose_per_event_dump(script); 2822 return -1; 2823 } 2824 2825 static int perf_script__setup_per_event_dump(struct perf_script *script) 2826 { 2827 struct evsel *evsel; 2828 2829 if (script->per_event_dump) 2830 return perf_script__fopen_per_event_dump(script); 2831 2832 es_stdout.fp = stdout; 2833 2834 evlist__for_each_entry(script->session->evlist, evsel) 2835 evsel->priv = &es_stdout; 2836 2837 return 0; 2838 } 2839 2840 static void perf_script__exit_per_event_dump_stats(struct perf_script *script) 2841 { 2842 struct evsel *evsel; 2843 2844 evlist__for_each_entry(script->session->evlist, evsel) { 2845 struct evsel_script *es = evsel->priv; 2846 2847 evsel_script__fprintf(es, stdout); 2848 evsel_script__delete(es); 2849 evsel->priv = NULL; 2850 } 2851 } 2852 2853 static void perf_script__exit(struct perf_script *script) 2854 { 2855 perf_thread_map__put(script->threads); 2856 perf_cpu_map__put(script->cpus); 2857 } 2858 2859 static int __cmd_script(struct perf_script *script) 2860 { 2861 int ret; 2862 2863 signal(SIGINT, sig_handler); 2864 2865 /* override event processing functions */ 2866 if (script->show_task_events) { 2867 script->tool.comm = process_comm_event; 2868 script->tool.fork = process_fork_event; 2869 script->tool.exit = process_exit_event; 2870 } 2871 if (script->show_mmap_events) { 2872 script->tool.mmap = process_mmap_event; 2873 script->tool.mmap2 = process_mmap2_event; 2874 } 2875 if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch)) 2876 script->tool.context_switch = process_switch_event; 2877 if (scripting_ops && scripting_ops->process_auxtrace_error) 2878 script->tool.auxtrace_error = process_auxtrace_error; 2879 if (script->show_namespace_events) 2880 script->tool.namespaces = process_namespaces_event; 2881 if (script->show_cgroup_events) 2882 script->tool.cgroup = process_cgroup_event; 2883 if (script->show_lost_events) 2884 script->tool.lost = process_lost_event; 2885 if (script->show_round_events) { 2886 script->tool.ordered_events = false; 2887 script->tool.finished_round = process_finished_round_event; 2888 } 2889 if (script->show_bpf_events) { 2890 script->tool.ksymbol = process_bpf_events; 2891 script->tool.bpf = process_bpf_events; 2892 script->tool.bpf_metadata = process_bpf_metadata_event; 2893 } 2894 if (script->show_text_poke_events) { 2895 script->tool.ksymbol = process_bpf_events; 2896 script->tool.text_poke = process_text_poke_events; 2897 } 2898 2899 if (perf_script__setup_per_event_dump(script)) { 2900 pr_err("Couldn't create the per event dump files\n"); 2901 return -1; 2902 } 2903 2904 ret = perf_session__process_events(script->session); 2905 2906 if (script->per_event_dump) 2907 perf_script__exit_per_event_dump_stats(script); 2908 2909 if (debug_mode) 2910 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); 2911 2912 return ret; 2913 } 2914 2915 static int list_available_languages_cb(struct scripting_ops *ops, const char *spec) 2916 { 2917 fprintf(stderr, " %-42s [%s]\n", spec, ops->name); 2918 return 0; 2919 } 2920 2921 static void list_available_languages(void) 2922 { 2923 fprintf(stderr, "\n"); 2924 fprintf(stderr, "Scripting language extensions (used in " 2925 "perf script -s [spec:]script.[spec]):\n\n"); 2926 script_spec__for_each(&list_available_languages_cb); 2927 fprintf(stderr, "\n"); 2928 } 2929 2930 /* Find script file relative to current directory or exec path */ 2931 static char *find_script(const char *script) 2932 { 2933 char path[PATH_MAX]; 2934 2935 if (!scripting_ops) { 2936 const char *ext = strrchr(script, '.'); 2937 2938 if (!ext) 2939 return NULL; 2940 2941 scripting_ops = script_spec__lookup(++ext); 2942 if (!scripting_ops) 2943 return NULL; 2944 } 2945 2946 if (access(script, R_OK)) { 2947 char *exec_path = get_argv_exec_path(); 2948 2949 if (!exec_path) 2950 return NULL; 2951 snprintf(path, sizeof(path), "%s/scripts/%s/%s", 2952 exec_path, scripting_ops->dirname, script); 2953 free(exec_path); 2954 script = path; 2955 if (access(script, R_OK)) 2956 return NULL; 2957 } 2958 return strdup(script); 2959 } 2960 2961 static int parse_scriptname(const struct option *opt __maybe_unused, 2962 const char *str, int unset __maybe_unused) 2963 { 2964 char spec[PATH_MAX]; 2965 const char *script, *ext; 2966 int len; 2967 2968 if (strcmp(str, "lang") == 0) { 2969 list_available_languages(); 2970 exit(0); 2971 } 2972 2973 script = strchr(str, ':'); 2974 if (script) { 2975 len = script - str; 2976 if (len >= PATH_MAX) { 2977 fprintf(stderr, "invalid language specifier"); 2978 return -1; 2979 } 2980 strncpy(spec, str, len); 2981 spec[len] = '\0'; 2982 scripting_ops = script_spec__lookup(spec); 2983 if (!scripting_ops) { 2984 fprintf(stderr, "invalid language specifier"); 2985 return -1; 2986 } 2987 script++; 2988 } else { 2989 script = str; 2990 ext = strrchr(script, '.'); 2991 if (!ext) { 2992 fprintf(stderr, "invalid script extension"); 2993 return -1; 2994 } 2995 scripting_ops = script_spec__lookup(++ext); 2996 if (!scripting_ops) { 2997 fprintf(stderr, "invalid script extension"); 2998 return -1; 2999 } 3000 } 3001 3002 script_name = find_script(script); 3003 if (!script_name) 3004 script_name = strdup(script); 3005 3006 return 0; 3007 } 3008 3009 static int parse_output_fields(const struct option *opt __maybe_unused, 3010 const char *arg, int unset __maybe_unused) 3011 { 3012 char *tok, *strtok_saveptr = NULL; 3013 int i, imax = ARRAY_SIZE(all_output_options); 3014 int j; 3015 int rc = 0; 3016 char *str = strdup(arg); 3017 int type = -1; 3018 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT; 3019 3020 if (!str) 3021 return -ENOMEM; 3022 3023 /* first word can state for which event type the user is specifying 3024 * the fields. If no type exists, the specified fields apply to all 3025 * event types found in the file minus the invalid fields for a type. 3026 */ 3027 tok = strchr(str, ':'); 3028 if (tok) { 3029 *tok = '\0'; 3030 tok++; 3031 if (!strcmp(str, "hw")) 3032 type = PERF_TYPE_HARDWARE; 3033 else if (!strcmp(str, "sw")) 3034 type = PERF_TYPE_SOFTWARE; 3035 else if (!strcmp(str, "trace")) 3036 type = PERF_TYPE_TRACEPOINT; 3037 else if (!strcmp(str, "raw")) 3038 type = PERF_TYPE_RAW; 3039 else if (!strcmp(str, "break")) 3040 type = PERF_TYPE_BREAKPOINT; 3041 else if (!strcmp(str, "synth")) 3042 type = OUTPUT_TYPE_SYNTH; 3043 else { 3044 fprintf(stderr, "Invalid event type in field string.\n"); 3045 rc = -EINVAL; 3046 goto out; 3047 } 3048 3049 if (output[type].user_set) 3050 pr_warning("Overriding previous field request for %s events.\n", 3051 event_type(type)); 3052 3053 /* Don't override defaults for +- */ 3054 if (strchr(tok, '+') || strchr(tok, '-')) 3055 goto parse; 3056 3057 output[type].fields = 0; 3058 output[type].user_set = true; 3059 output[type].wildcard_set = false; 3060 3061 } else { 3062 tok = str; 3063 if (strlen(str) == 0) { 3064 fprintf(stderr, 3065 "Cannot set fields to 'none' for all event types.\n"); 3066 rc = -EINVAL; 3067 goto out; 3068 } 3069 3070 /* Don't override defaults for +- */ 3071 if (strchr(str, '+') || strchr(str, '-')) 3072 goto parse; 3073 3074 if (output_set_by_user()) 3075 pr_warning("Overriding previous field request for all events.\n"); 3076 3077 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 3078 output[j].fields = 0; 3079 output[j].user_set = true; 3080 output[j].wildcard_set = true; 3081 } 3082 } 3083 3084 parse: 3085 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) { 3086 if (*tok == '+') { 3087 if (change == SET) 3088 goto out_badmix; 3089 change = ADD; 3090 tok++; 3091 } else if (*tok == '-') { 3092 if (change == SET) 3093 goto out_badmix; 3094 change = REMOVE; 3095 tok++; 3096 } else { 3097 if (change != SET && change != DEFAULT) 3098 goto out_badmix; 3099 change = SET; 3100 } 3101 3102 for (i = 0; i < imax; ++i) { 3103 if (strcmp(tok, all_output_options[i].str) == 0) 3104 break; 3105 } 3106 if (i == imax && strcmp(tok, "flags") == 0) { 3107 print_flags = change != REMOVE; 3108 continue; 3109 } 3110 if (i == imax) { 3111 fprintf(stderr, "Invalid field requested.\n"); 3112 rc = -EINVAL; 3113 goto out; 3114 } 3115 #ifndef HAVE_LIBCAPSTONE_SUPPORT 3116 if (change != REMOVE && strcmp(tok, "disasm") == 0) { 3117 fprintf(stderr, "Field \"disasm\" requires perf to be built with libcapstone support.\n"); 3118 rc = -EINVAL; 3119 goto out; 3120 } 3121 #endif 3122 3123 if (type == -1) { 3124 /* add user option to all events types for 3125 * which it is valid 3126 */ 3127 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 3128 if (output[j].invalid_fields & all_output_options[i].field) { 3129 pr_warning("\'%s\' not valid for %s events. Ignoring.\n", 3130 all_output_options[i].str, event_type(j)); 3131 } else { 3132 if (change == REMOVE) { 3133 output[j].fields &= ~all_output_options[i].field; 3134 output[j].user_set_fields &= ~all_output_options[i].field; 3135 output[j].user_unset_fields |= all_output_options[i].field; 3136 } else { 3137 output[j].fields |= all_output_options[i].field; 3138 output[j].user_set_fields |= all_output_options[i].field; 3139 output[j].user_unset_fields &= ~all_output_options[i].field; 3140 } 3141 output[j].user_set = true; 3142 output[j].wildcard_set = true; 3143 } 3144 } 3145 } else { 3146 if (output[type].invalid_fields & all_output_options[i].field) { 3147 fprintf(stderr, "\'%s\' not valid for %s events.\n", 3148 all_output_options[i].str, event_type(type)); 3149 3150 rc = -EINVAL; 3151 goto out; 3152 } 3153 if (change == REMOVE) 3154 output[type].fields &= ~all_output_options[i].field; 3155 else 3156 output[type].fields |= all_output_options[i].field; 3157 output[type].user_set = true; 3158 output[type].wildcard_set = true; 3159 } 3160 } 3161 3162 if (type >= 0) { 3163 if (output[type].fields == 0) { 3164 pr_debug("No fields requested for %s type. " 3165 "Events will not be displayed.\n", event_type(type)); 3166 } 3167 } 3168 goto out; 3169 3170 out_badmix: 3171 fprintf(stderr, "Cannot mix +-field with overridden fields\n"); 3172 rc = -EINVAL; 3173 out: 3174 free(str); 3175 return rc; 3176 } 3177 3178 #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \ 3179 while ((lang_dirent = readdir(scripts_dir)) != NULL) \ 3180 if ((lang_dirent->d_type == DT_DIR || \ 3181 (lang_dirent->d_type == DT_UNKNOWN && \ 3182 is_directory(scripts_path, lang_dirent))) && \ 3183 (strcmp(lang_dirent->d_name, ".")) && \ 3184 (strcmp(lang_dirent->d_name, ".."))) 3185 3186 #define for_each_script(lang_path, lang_dir, script_dirent) \ 3187 while ((script_dirent = readdir(lang_dir)) != NULL) \ 3188 if (script_dirent->d_type != DT_DIR && \ 3189 (script_dirent->d_type != DT_UNKNOWN || \ 3190 !is_directory(lang_path, script_dirent))) 3191 3192 3193 #define RECORD_SUFFIX "-record" 3194 #define REPORT_SUFFIX "-report" 3195 3196 struct script_desc { 3197 struct list_head node; 3198 char *name; 3199 char *half_liner; 3200 char *args; 3201 }; 3202 3203 static LIST_HEAD(script_descs); 3204 3205 static struct script_desc *script_desc__new(const char *name) 3206 { 3207 struct script_desc *s = zalloc(sizeof(*s)); 3208 3209 if (s != NULL && name) 3210 s->name = strdup(name); 3211 3212 return s; 3213 } 3214 3215 static void script_desc__delete(struct script_desc *s) 3216 { 3217 zfree(&s->name); 3218 zfree(&s->half_liner); 3219 zfree(&s->args); 3220 free(s); 3221 } 3222 3223 static void script_desc__add(struct script_desc *s) 3224 { 3225 list_add_tail(&s->node, &script_descs); 3226 } 3227 3228 static struct script_desc *script_desc__find(const char *name) 3229 { 3230 struct script_desc *s; 3231 3232 list_for_each_entry(s, &script_descs, node) 3233 if (strcasecmp(s->name, name) == 0) 3234 return s; 3235 return NULL; 3236 } 3237 3238 static struct script_desc *script_desc__findnew(const char *name) 3239 { 3240 struct script_desc *s = script_desc__find(name); 3241 3242 if (s) 3243 return s; 3244 3245 s = script_desc__new(name); 3246 if (!s) 3247 return NULL; 3248 3249 script_desc__add(s); 3250 3251 return s; 3252 } 3253 3254 static const char *ends_with(const char *str, const char *suffix) 3255 { 3256 size_t suffix_len = strlen(suffix); 3257 const char *p = str; 3258 3259 if (strlen(str) > suffix_len) { 3260 p = str + strlen(str) - suffix_len; 3261 if (!strncmp(p, suffix, suffix_len)) 3262 return p; 3263 } 3264 3265 return NULL; 3266 } 3267 3268 static int read_script_info(struct script_desc *desc, const char *filename) 3269 { 3270 char line[BUFSIZ], *p; 3271 FILE *fp; 3272 3273 fp = fopen(filename, "r"); 3274 if (!fp) 3275 return -1; 3276 3277 while (fgets(line, sizeof(line), fp)) { 3278 p = skip_spaces(line); 3279 if (strlen(p) == 0) 3280 continue; 3281 if (*p != '#') 3282 continue; 3283 p++; 3284 if (strlen(p) && *p == '!') 3285 continue; 3286 3287 p = skip_spaces(p); 3288 if (strlen(p) && p[strlen(p) - 1] == '\n') 3289 p[strlen(p) - 1] = '\0'; 3290 3291 if (!strncmp(p, "description:", strlen("description:"))) { 3292 p += strlen("description:"); 3293 desc->half_liner = strdup(skip_spaces(p)); 3294 continue; 3295 } 3296 3297 if (!strncmp(p, "args:", strlen("args:"))) { 3298 p += strlen("args:"); 3299 desc->args = strdup(skip_spaces(p)); 3300 continue; 3301 } 3302 } 3303 3304 fclose(fp); 3305 3306 return 0; 3307 } 3308 3309 static char *get_script_root(struct dirent *script_dirent, const char *suffix) 3310 { 3311 char *script_root, *str; 3312 3313 script_root = strdup(script_dirent->d_name); 3314 if (!script_root) 3315 return NULL; 3316 3317 str = (char *)ends_with(script_root, suffix); 3318 if (!str) { 3319 free(script_root); 3320 return NULL; 3321 } 3322 3323 *str = '\0'; 3324 return script_root; 3325 } 3326 3327 static int list_available_scripts(const struct option *opt __maybe_unused, 3328 const char *s __maybe_unused, 3329 int unset __maybe_unused) 3330 { 3331 struct dirent *script_dirent, *lang_dirent; 3332 char *buf, *scripts_path, *script_path, *lang_path, *first_half; 3333 DIR *scripts_dir, *lang_dir; 3334 struct script_desc *desc; 3335 char *script_root; 3336 3337 buf = malloc(3 * MAXPATHLEN + BUFSIZ); 3338 if (!buf) { 3339 pr_err("malloc failed\n"); 3340 exit(-1); 3341 } 3342 scripts_path = buf; 3343 script_path = buf + MAXPATHLEN; 3344 lang_path = buf + 2 * MAXPATHLEN; 3345 first_half = buf + 3 * MAXPATHLEN; 3346 3347 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3348 3349 scripts_dir = opendir(scripts_path); 3350 if (!scripts_dir) { 3351 fprintf(stdout, 3352 "open(%s) failed.\n" 3353 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n", 3354 scripts_path); 3355 free(buf); 3356 exit(-1); 3357 } 3358 3359 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3360 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3361 lang_dirent->d_name); 3362 lang_dir = opendir(lang_path); 3363 if (!lang_dir) 3364 continue; 3365 3366 for_each_script(lang_path, lang_dir, script_dirent) { 3367 script_root = get_script_root(script_dirent, REPORT_SUFFIX); 3368 if (script_root) { 3369 desc = script_desc__findnew(script_root); 3370 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3371 lang_path, script_dirent->d_name); 3372 read_script_info(desc, script_path); 3373 free(script_root); 3374 } 3375 } 3376 } 3377 3378 fprintf(stdout, "List of available trace scripts:\n"); 3379 list_for_each_entry(desc, &script_descs, node) { 3380 sprintf(first_half, "%s %s", desc->name, 3381 desc->args ? desc->args : ""); 3382 fprintf(stdout, " %-36s %s\n", first_half, 3383 desc->half_liner ? desc->half_liner : ""); 3384 } 3385 3386 free(buf); 3387 exit(0); 3388 } 3389 3390 static int add_dlarg(const struct option *opt __maybe_unused, 3391 const char *s, int unset __maybe_unused) 3392 { 3393 char *arg = strdup(s); 3394 void *a; 3395 3396 if (!arg) 3397 return -1; 3398 3399 a = realloc(dlargv, sizeof(dlargv[0]) * (dlargc + 1)); 3400 if (!a) { 3401 free(arg); 3402 return -1; 3403 } 3404 3405 dlargv = a; 3406 dlargv[dlargc++] = arg; 3407 3408 return 0; 3409 } 3410 3411 static void free_dlarg(void) 3412 { 3413 while (dlargc--) 3414 free(dlargv[dlargc]); 3415 free(dlargv); 3416 } 3417 3418 static char *get_script_path(const char *script_root, const char *suffix) 3419 { 3420 struct dirent *script_dirent, *lang_dirent; 3421 char scripts_path[MAXPATHLEN]; 3422 char script_path[MAXPATHLEN]; 3423 DIR *scripts_dir, *lang_dir; 3424 char lang_path[MAXPATHLEN]; 3425 char *__script_root; 3426 3427 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3428 3429 scripts_dir = opendir(scripts_path); 3430 if (!scripts_dir) 3431 return NULL; 3432 3433 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3434 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3435 lang_dirent->d_name); 3436 lang_dir = opendir(lang_path); 3437 if (!lang_dir) 3438 continue; 3439 3440 for_each_script(lang_path, lang_dir, script_dirent) { 3441 __script_root = get_script_root(script_dirent, suffix); 3442 if (__script_root && !strcmp(script_root, __script_root)) { 3443 free(__script_root); 3444 closedir(scripts_dir); 3445 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3446 lang_path, script_dirent->d_name); 3447 closedir(lang_dir); 3448 return strdup(script_path); 3449 } 3450 free(__script_root); 3451 } 3452 closedir(lang_dir); 3453 } 3454 closedir(scripts_dir); 3455 3456 return NULL; 3457 } 3458 3459 static bool is_top_script(const char *script_path) 3460 { 3461 return ends_with(script_path, "top") != NULL; 3462 } 3463 3464 static int has_required_arg(char *script_path) 3465 { 3466 struct script_desc *desc; 3467 int n_args = 0; 3468 char *p; 3469 3470 desc = script_desc__new(NULL); 3471 3472 if (read_script_info(desc, script_path)) 3473 goto out; 3474 3475 if (!desc->args) 3476 goto out; 3477 3478 for (p = desc->args; *p; p++) 3479 if (*p == '<') 3480 n_args++; 3481 out: 3482 script_desc__delete(desc); 3483 3484 return n_args; 3485 } 3486 3487 static int have_cmd(int argc, const char **argv) 3488 { 3489 char **__argv = malloc(sizeof(const char *) * argc); 3490 3491 if (!__argv) { 3492 pr_err("malloc failed\n"); 3493 return -1; 3494 } 3495 3496 memcpy(__argv, argv, sizeof(const char *) * argc); 3497 argc = parse_options(argc, (const char **)__argv, record_options, 3498 NULL, PARSE_OPT_STOP_AT_NON_OPTION); 3499 free(__argv); 3500 3501 system_wide = (argc == 0); 3502 3503 return 0; 3504 } 3505 3506 static void script__setup_sample_type(struct perf_script *script) 3507 { 3508 struct perf_session *session = script->session; 3509 u64 sample_type = evlist__combined_sample_type(session->evlist); 3510 3511 callchain_param_setup(sample_type, perf_env__arch(session->machines.host.env)); 3512 3513 if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) { 3514 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n" 3515 "Please apply --call-graph lbr when recording.\n"); 3516 script->stitch_lbr = false; 3517 } 3518 } 3519 3520 static int process_stat_round_event(struct perf_session *session, 3521 union perf_event *event) 3522 { 3523 struct perf_record_stat_round *round = &event->stat_round; 3524 struct evsel *counter; 3525 3526 evlist__for_each_entry(session->evlist, counter) { 3527 perf_stat_process_counter(&stat_config, counter); 3528 process_stat(counter, round->time); 3529 } 3530 3531 process_stat_interval(round->time); 3532 return 0; 3533 } 3534 3535 static int process_stat_config_event(struct perf_session *session __maybe_unused, 3536 union perf_event *event) 3537 { 3538 perf_event__read_stat_config(&stat_config, &event->stat_config); 3539 3540 /* 3541 * Aggregation modes are not used since post-processing scripts are 3542 * supposed to take care of such requirements 3543 */ 3544 stat_config.aggr_mode = AGGR_NONE; 3545 3546 return 0; 3547 } 3548 3549 static int set_maps(struct perf_script *script) 3550 { 3551 struct evlist *evlist = script->session->evlist; 3552 3553 if (!script->cpus || !script->threads) 3554 return 0; 3555 3556 if (WARN_ONCE(script->allocated, "stats double allocation\n")) 3557 return -EINVAL; 3558 3559 perf_evlist__set_maps(&evlist->core, script->cpus, script->threads); 3560 3561 if (evlist__alloc_stats(&stat_config, evlist, /*alloc_raw=*/true)) 3562 return -ENOMEM; 3563 3564 script->allocated = true; 3565 return 0; 3566 } 3567 3568 static 3569 int process_thread_map_event(struct perf_session *session, 3570 union perf_event *event) 3571 { 3572 const struct perf_tool *tool = session->tool; 3573 struct perf_script *script = container_of(tool, struct perf_script, tool); 3574 3575 if (dump_trace) 3576 perf_event__fprintf_thread_map(event, stdout); 3577 3578 if (script->threads) { 3579 pr_warning("Extra thread map event, ignoring.\n"); 3580 return 0; 3581 } 3582 3583 script->threads = thread_map__new_event(&event->thread_map); 3584 if (!script->threads) 3585 return -ENOMEM; 3586 3587 return set_maps(script); 3588 } 3589 3590 static 3591 int process_cpu_map_event(struct perf_session *session, 3592 union perf_event *event) 3593 { 3594 const struct perf_tool *tool = session->tool; 3595 struct perf_script *script = container_of(tool, struct perf_script, tool); 3596 3597 if (dump_trace) 3598 perf_event__fprintf_cpu_map(event, stdout); 3599 3600 if (script->cpus) { 3601 pr_warning("Extra cpu map event, ignoring.\n"); 3602 return 0; 3603 } 3604 3605 script->cpus = cpu_map__new_data(&event->cpu_map.data); 3606 if (!script->cpus) 3607 return -ENOMEM; 3608 3609 return set_maps(script); 3610 } 3611 3612 static int process_feature_event(struct perf_session *session, 3613 union perf_event *event) 3614 { 3615 if (event->feat.feat_id < HEADER_LAST_FEATURE) 3616 return perf_event__process_feature(session, event); 3617 return 0; 3618 } 3619 3620 #ifdef HAVE_AUXTRACE_SUPPORT 3621 static int perf_script__process_auxtrace_info(struct perf_session *session, 3622 union perf_event *event) 3623 { 3624 int ret = perf_event__process_auxtrace_info(session, event); 3625 3626 if (ret == 0) { 3627 const struct perf_tool *tool = session->tool; 3628 struct perf_script *script = container_of(tool, struct perf_script, tool); 3629 3630 ret = perf_script__setup_per_event_dump(script); 3631 } 3632 3633 return ret; 3634 } 3635 #else 3636 #define perf_script__process_auxtrace_info 0 3637 #endif 3638 3639 static int parse_insn_trace(const struct option *opt __maybe_unused, 3640 const char *str, int unset __maybe_unused) 3641 { 3642 const char *fields = "+insn,-event,-period"; 3643 int ret; 3644 3645 if (str) { 3646 if (strcmp(str, "disasm") == 0) 3647 fields = "+disasm,-event,-period"; 3648 else if (strlen(str) != 0 && strcmp(str, "raw") != 0) { 3649 fprintf(stderr, "Only accept raw|disasm\n"); 3650 return -EINVAL; 3651 } 3652 } 3653 3654 ret = parse_output_fields(NULL, fields, 0); 3655 if (ret < 0) 3656 return ret; 3657 3658 itrace_parse_synth_opts(opt, "i0nse", 0); 3659 symbol_conf.nanosecs = true; 3660 return 0; 3661 } 3662 3663 static int parse_xed(const struct option *opt __maybe_unused, 3664 const char *str __maybe_unused, 3665 int unset __maybe_unused) 3666 { 3667 if (isatty(1)) 3668 force_pager("xed -F insn: -A -64 | less"); 3669 else 3670 force_pager("xed -F insn: -A -64"); 3671 return 0; 3672 } 3673 3674 static int parse_call_trace(const struct option *opt __maybe_unused, 3675 const char *str __maybe_unused, 3676 int unset __maybe_unused) 3677 { 3678 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0); 3679 itrace_parse_synth_opts(opt, "cewp", 0); 3680 symbol_conf.nanosecs = true; 3681 symbol_conf.pad_output_len_dso = 50; 3682 return 0; 3683 } 3684 3685 static int parse_callret_trace(const struct option *opt __maybe_unused, 3686 const char *str __maybe_unused, 3687 int unset __maybe_unused) 3688 { 3689 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0); 3690 itrace_parse_synth_opts(opt, "crewp", 0); 3691 symbol_conf.nanosecs = true; 3692 return 0; 3693 } 3694 3695 int cmd_script(int argc, const char **argv) 3696 { 3697 bool show_full_info = false; 3698 bool header = false; 3699 bool header_only = false; 3700 bool script_started = false; 3701 bool unsorted_dump = false; 3702 char *rec_script_path = NULL; 3703 char *rep_script_path = NULL; 3704 struct perf_session *session; 3705 struct itrace_synth_opts itrace_synth_opts = { 3706 .set = false, 3707 .default_no_sample = true, 3708 }; 3709 struct utsname uts; 3710 char *script_path = NULL; 3711 const char *dlfilter_file = NULL; 3712 const char **__argv; 3713 int i, j, err = 0; 3714 struct perf_script script = {}; 3715 struct perf_data data = { 3716 .mode = PERF_DATA_MODE_READ, 3717 }; 3718 const struct option options[] = { 3719 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 3720 "dump raw trace in ASCII"), 3721 OPT_BOOLEAN(0, "dump-unsorted-raw-trace", &unsorted_dump, 3722 "dump unsorted raw trace in ASCII"), 3723 OPT_INCR('v', "verbose", &verbose, 3724 "be more verbose (show symbol address, etc)"), 3725 OPT_BOOLEAN('L', "Latency", &latency_format, 3726 "show latency attributes (irqs/preemption disabled, etc)"), 3727 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", 3728 list_available_scripts), 3729 OPT_CALLBACK_NOOPT(0, "list-dlfilters", NULL, NULL, "list available dlfilters", 3730 list_available_dlfilters), 3731 OPT_CALLBACK('s', "script", NULL, "name", 3732 "script file name (lang:script name, script name, or *)", 3733 parse_scriptname), 3734 OPT_STRING('g', "gen-script", &generate_script_lang, "lang", 3735 "generate perf-script.xx script in specified language"), 3736 OPT_STRING(0, "dlfilter", &dlfilter_file, "file", "filter .so file name"), 3737 OPT_CALLBACK(0, "dlarg", NULL, "argument", "filter argument", 3738 add_dlarg), 3739 OPT_STRING('i', "input", &input_name, "file", "input file name"), 3740 OPT_BOOLEAN('d', "debug-mode", &debug_mode, 3741 "do various checks like samples ordering and lost events"), 3742 OPT_BOOLEAN(0, "header", &header, "Show data header."), 3743 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."), 3744 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 3745 "file", "vmlinux pathname"), 3746 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 3747 "file", "kallsyms pathname"), 3748 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, 3749 "When printing symbols do not display call chain"), 3750 OPT_CALLBACK(0, "symfs", NULL, "directory", 3751 "Look for files with symbols relative to this directory", 3752 symbol__config_symfs), 3753 OPT_CALLBACK('F', "fields", NULL, "str", 3754 "comma separated output fields prepend with 'type:'. " 3755 "+field to add and -field to remove." 3756 "Valid types: hw,sw,trace,raw,synth. " 3757 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,dsoff," 3758 "addr,symoff,srcline,period,iregs,uregs,brstack," 3759 "brstacksym,flags,data_src,weight,bpf-output,brstackinsn," 3760 "brstackinsnlen,brstackdisasm,brstackoff,callindent,insn,disasm,insnlen,synth," 3761 "phys_addr,metric,misc,srccode,ipc,tod,data_page_size," 3762 "code_page_size,ins_lat,machine_pid,vcpu,cgroup,retire_lat," 3763 "brcntr", 3764 parse_output_fields), 3765 OPT_BOOLEAN('a', "all-cpus", &system_wide, 3766 "system-wide collection from all CPUs"), 3767 OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", 3768 "only consider symbols in these DSOs"), 3769 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 3770 "only consider these symbols"), 3771 OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range, 3772 "Use with -S to list traced records within address range"), 3773 OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, "raw|disasm", 3774 "Decode instructions from itrace", parse_insn_trace), 3775 OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL, 3776 "Run xed disassembler on output", parse_xed), 3777 OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL, 3778 "Decode calls from itrace", parse_call_trace), 3779 OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL, 3780 "Decode calls and returns from itrace", parse_callret_trace), 3781 OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]", 3782 "Only print symbols and callees with --call-trace/--call-ret-trace"), 3783 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]", 3784 "Stop display of callgraph at these symbols"), 3785 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), 3786 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 3787 "only display events for these comms"), 3788 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 3789 "only consider symbols in these pids"), 3790 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 3791 "only consider symbols in these tids"), 3792 OPT_UINTEGER(0, "max-stack", &scripting_max_stack, 3793 "Set the maximum stack depth when parsing the callchain, " 3794 "anything beyond the specified depth will be ignored. " 3795 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 3796 OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"), 3797 OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"), 3798 OPT_BOOLEAN('I', "show-info", &show_full_info, 3799 "display extended information from perf.data file"), 3800 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, 3801 "Show the path of [kernel.kallsyms]"), 3802 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, 3803 "Show the fork/comm/exit events"), 3804 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, 3805 "Show the mmap events"), 3806 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events, 3807 "Show context switch events (if recorded)"), 3808 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events, 3809 "Show namespace events (if recorded)"), 3810 OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events, 3811 "Show cgroup events (if recorded)"), 3812 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events, 3813 "Show lost events (if recorded)"), 3814 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events, 3815 "Show round events (if recorded)"), 3816 OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events, 3817 "Show bpf related events (if recorded)"), 3818 OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events, 3819 "Show text poke related events (if recorded)"), 3820 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump, 3821 "Dump trace output to files named by the monitored events"), 3822 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 3823 OPT_INTEGER(0, "max-blocks", &max_blocks, 3824 "Maximum number of code blocks to dump with brstackinsn"), 3825 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, 3826 "Use 9 decimal places when displaying time"), 3827 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 3828 "Instruction Tracing options\n" ITRACE_HELP, 3829 itrace_parse_synth_opts), 3830 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 3831 "Show full source file name path for source lines"), 3832 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 3833 "Enable symbol demangling"), 3834 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 3835 "Enable kernel symbol demangling"), 3836 OPT_STRING(0, "addr2line", &symbol_conf.addr2line_path, "path", 3837 "addr2line binary to use for line numbers"), 3838 OPT_STRING(0, "time", &script.time_str, "str", 3839 "Time span of interest (start,stop)"), 3840 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 3841 "Show inline function"), 3842 OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory", 3843 "guest mount directory under which every guest os" 3844 " instance has a subdir"), 3845 OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name, 3846 "file", "file saving guest os vmlinux"), 3847 OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms, 3848 "file", "file saving guest os /proc/kallsyms"), 3849 OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules, 3850 "file", "file saving guest os /proc/modules"), 3851 OPT_BOOLEAN(0, "guest-code", &symbol_conf.guest_code, 3852 "Guest code can be found in hypervisor process"), 3853 OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr, 3854 "Enable LBR callgraph stitching approach"), 3855 OPTS_EVSWITCH(&script.evswitch), 3856 OPT_END() 3857 }; 3858 const char * const script_subcommands[] = { "record", "report", NULL }; 3859 const char *script_usage[] = { 3860 "perf script [<options>]", 3861 "perf script [<options>] record <script> [<record-options>] <command>", 3862 "perf script [<options>] report <script> [script-args]", 3863 "perf script [<options>] <script> [<record-options>] <command>", 3864 "perf script [<options>] <top-script> [script-args]", 3865 NULL 3866 }; 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 if (header || header_only) { 4114 script.tool.show_feat_hdr = SHOW_FEAT_HEADER; 4115 perf_session__fprintf_info(session, stdout, show_full_info); 4116 if (header_only) 4117 goto out_delete; 4118 } 4119 if (show_full_info) 4120 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 4121 4122 if (symbol__init(&session->header.env) < 0) 4123 goto out_delete; 4124 4125 uname(&uts); 4126 if (data.is_pipe) { /* Assume pipe_mode indicates native_arch */ 4127 native_arch = true; 4128 } else if (session->header.env.arch) { 4129 if (!strcmp(uts.machine, session->header.env.arch)) 4130 native_arch = true; 4131 else if (!strcmp(uts.machine, "x86_64") && 4132 !strcmp(session->header.env.arch, "i386")) 4133 native_arch = true; 4134 } 4135 4136 script.session = session; 4137 script__setup_sample_type(&script); 4138 4139 if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) || 4140 symbol_conf.graph_function) 4141 itrace_synth_opts.thread_stack = true; 4142 4143 session->itrace_synth_opts = &itrace_synth_opts; 4144 4145 if (cpu_list) { 4146 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap); 4147 if (err < 0) 4148 goto out_delete; 4149 itrace_synth_opts.cpu_bitmap = cpu_bitmap; 4150 } 4151 4152 if (!no_callchain) 4153 symbol_conf.use_callchain = true; 4154 else 4155 symbol_conf.use_callchain = false; 4156 4157 #ifdef HAVE_LIBTRACEEVENT 4158 if (session->tevent.pevent && 4159 tep_set_function_resolver(session->tevent.pevent, 4160 machine__resolve_kernel_addr, 4161 &session->machines.host) < 0) { 4162 pr_err("%s: failed to set libtraceevent function resolver\n", __func__); 4163 err = -1; 4164 goto out_delete; 4165 } 4166 #endif 4167 if (generate_script_lang) { 4168 struct stat perf_stat; 4169 int input; 4170 4171 if (output_set_by_user()) { 4172 fprintf(stderr, 4173 "custom fields not supported for generated scripts"); 4174 err = -EINVAL; 4175 goto out_delete; 4176 } 4177 4178 input = open(data.path, O_RDONLY); /* input_name */ 4179 if (input < 0) { 4180 err = -errno; 4181 perror("failed to open file"); 4182 goto out_delete; 4183 } 4184 4185 err = fstat(input, &perf_stat); 4186 if (err < 0) { 4187 perror("failed to stat file"); 4188 goto out_delete; 4189 } 4190 4191 if (!perf_stat.st_size) { 4192 fprintf(stderr, "zero-sized file, nothing to do!\n"); 4193 goto out_delete; 4194 } 4195 4196 scripting_ops = script_spec__lookup(generate_script_lang); 4197 if (!scripting_ops) { 4198 fprintf(stderr, "invalid language specifier"); 4199 err = -ENOENT; 4200 goto out_delete; 4201 } 4202 #ifdef HAVE_LIBTRACEEVENT 4203 err = scripting_ops->generate_script(session->tevent.pevent, 4204 "perf-script"); 4205 #else 4206 err = scripting_ops->generate_script(NULL, "perf-script"); 4207 #endif 4208 goto out_delete; 4209 } 4210 4211 err = dlfilter__start(dlfilter, session); 4212 if (err) 4213 goto out_delete; 4214 4215 if (script_name) { 4216 err = scripting_ops->start_script(script_name, argc, argv, session); 4217 if (err) 4218 goto out_delete; 4219 pr_debug("perf script started with script %s\n\n", script_name); 4220 script_started = true; 4221 } 4222 4223 4224 err = perf_session__check_output_opt(session); 4225 if (err < 0) 4226 goto out_delete; 4227 4228 if (script.time_str) { 4229 err = perf_time__parse_for_ranges_reltime(script.time_str, session, 4230 &script.ptime_range, 4231 &script.range_size, 4232 &script.range_num, 4233 reltime); 4234 if (err < 0) 4235 goto out_delete; 4236 4237 itrace_synth_opts__set_time_range(&itrace_synth_opts, 4238 script.ptime_range, 4239 script.range_num); 4240 } 4241 4242 err = evswitch__init(&script.evswitch, session->evlist, stderr); 4243 if (err) 4244 goto out_delete; 4245 4246 if (zstd_init(&(session->zstd_data), 0) < 0) 4247 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n"); 4248 4249 err = __cmd_script(&script); 4250 4251 flush_scripting(); 4252 4253 if (verbose > 2 || debug_kmaps) 4254 perf_session__dump_kmaps(session); 4255 4256 out_delete: 4257 if (script.ptime_range) { 4258 itrace_synth_opts__clear_time_range(&itrace_synth_opts); 4259 zfree(&script.ptime_range); 4260 } 4261 4262 zstd_fini(&(session->zstd_data)); 4263 evlist__free_stats(session->evlist); 4264 perf_session__delete(session); 4265 perf_script__exit(&script); 4266 4267 if (script_started) 4268 cleanup_scripting(); 4269 dlfilter__cleanup(dlfilter); 4270 free_dlarg(); 4271 out: 4272 return err; 4273 } 4274