1 // SPDX-License-Identifier: GPL-2.0 2 #include "builtin.h" 3 4 #include "util/counts.h" 5 #include "util/debug.h" 6 #include "util/dso.h" 7 #include <subcmd/exec-cmd.h> 8 #include "util/header.h" 9 #include <subcmd/parse-options.h> 10 #include "util/perf_regs.h" 11 #include "util/session.h" 12 #include "util/tool.h" 13 #include "util/map.h" 14 #include "util/srcline.h" 15 #include "util/symbol.h" 16 #include "util/thread.h" 17 #include "util/trace-event.h" 18 #include "util/env.h" 19 #include "util/evlist.h" 20 #include "util/evsel.h" 21 #include "util/evsel_fprintf.h" 22 #include "util/evswitch.h" 23 #include "util/sort.h" 24 #include "util/data.h" 25 #include "util/auxtrace.h" 26 #include "util/cpumap.h" 27 #include "util/thread_map.h" 28 #include "util/stat.h" 29 #include "util/color.h" 30 #include "util/string2.h" 31 #include "util/thread-stack.h" 32 #include "util/time-utils.h" 33 #include "util/path.h" 34 #include "util/event.h" 35 #include "ui/ui.h" 36 #include "print_binary.h" 37 #include "archinsn.h" 38 #include <linux/bitmap.h> 39 #include <linux/kernel.h> 40 #include <linux/stringify.h> 41 #include <linux/time64.h> 42 #include <linux/zalloc.h> 43 #include <sys/utsname.h> 44 #include "asm/bug.h" 45 #include "util/mem-events.h" 46 #include "util/dump-insn.h" 47 #include <dirent.h> 48 #include <errno.h> 49 #include <inttypes.h> 50 #include <signal.h> 51 #include <sys/param.h> 52 #include <sys/types.h> 53 #include <sys/stat.h> 54 #include <fcntl.h> 55 #include <unistd.h> 56 #include <subcmd/pager.h> 57 #include <perf/evlist.h> 58 #include <linux/err.h> 59 #include "util/dlfilter.h" 60 #include "util/record.h" 61 #include "util/util.h" 62 #include "util/cgroup.h" 63 #include "perf.h" 64 65 #include <linux/ctype.h> 66 #ifdef HAVE_LIBTRACEEVENT 67 #include <traceevent/event-parse.h> 68 #endif 69 70 static char const *script_name; 71 static char const *generate_script_lang; 72 static bool reltime; 73 static bool deltatime; 74 static u64 initial_time; 75 static u64 previous_time; 76 static bool debug_mode; 77 static u64 last_timestamp; 78 static u64 nr_unordered; 79 static bool no_callchain; 80 static bool latency_format; 81 static bool system_wide; 82 static bool print_flags; 83 static const char *cpu_list; 84 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); 85 static struct perf_stat_config stat_config; 86 static int max_blocks; 87 static bool native_arch; 88 static struct dlfilter *dlfilter; 89 static int dlargc; 90 static char **dlargv; 91 92 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH; 93 94 enum perf_output_field { 95 PERF_OUTPUT_COMM = 1ULL << 0, 96 PERF_OUTPUT_TID = 1ULL << 1, 97 PERF_OUTPUT_PID = 1ULL << 2, 98 PERF_OUTPUT_TIME = 1ULL << 3, 99 PERF_OUTPUT_CPU = 1ULL << 4, 100 PERF_OUTPUT_EVNAME = 1ULL << 5, 101 PERF_OUTPUT_TRACE = 1ULL << 6, 102 PERF_OUTPUT_IP = 1ULL << 7, 103 PERF_OUTPUT_SYM = 1ULL << 8, 104 PERF_OUTPUT_DSO = 1ULL << 9, 105 PERF_OUTPUT_ADDR = 1ULL << 10, 106 PERF_OUTPUT_SYMOFFSET = 1ULL << 11, 107 PERF_OUTPUT_SRCLINE = 1ULL << 12, 108 PERF_OUTPUT_PERIOD = 1ULL << 13, 109 PERF_OUTPUT_IREGS = 1ULL << 14, 110 PERF_OUTPUT_BRSTACK = 1ULL << 15, 111 PERF_OUTPUT_BRSTACKSYM = 1ULL << 16, 112 PERF_OUTPUT_DATA_SRC = 1ULL << 17, 113 PERF_OUTPUT_WEIGHT = 1ULL << 18, 114 PERF_OUTPUT_BPF_OUTPUT = 1ULL << 19, 115 PERF_OUTPUT_CALLINDENT = 1ULL << 20, 116 PERF_OUTPUT_INSN = 1ULL << 21, 117 PERF_OUTPUT_INSNLEN = 1ULL << 22, 118 PERF_OUTPUT_BRSTACKINSN = 1ULL << 23, 119 PERF_OUTPUT_BRSTACKOFF = 1ULL << 24, 120 PERF_OUTPUT_SYNTH = 1ULL << 25, 121 PERF_OUTPUT_PHYS_ADDR = 1ULL << 26, 122 PERF_OUTPUT_UREGS = 1ULL << 27, 123 PERF_OUTPUT_METRIC = 1ULL << 28, 124 PERF_OUTPUT_MISC = 1ULL << 29, 125 PERF_OUTPUT_SRCCODE = 1ULL << 30, 126 PERF_OUTPUT_IPC = 1ULL << 31, 127 PERF_OUTPUT_TOD = 1ULL << 32, 128 PERF_OUTPUT_DATA_PAGE_SIZE = 1ULL << 33, 129 PERF_OUTPUT_CODE_PAGE_SIZE = 1ULL << 34, 130 PERF_OUTPUT_INS_LAT = 1ULL << 35, 131 PERF_OUTPUT_BRSTACKINSNLEN = 1ULL << 36, 132 PERF_OUTPUT_MACHINE_PID = 1ULL << 37, 133 PERF_OUTPUT_VCPU = 1ULL << 38, 134 PERF_OUTPUT_CGROUP = 1ULL << 39, 135 PERF_OUTPUT_RETIRE_LAT = 1ULL << 40, 136 }; 137 138 struct perf_script { 139 struct perf_tool tool; 140 struct perf_session *session; 141 bool show_task_events; 142 bool show_mmap_events; 143 bool show_switch_events; 144 bool show_namespace_events; 145 bool show_lost_events; 146 bool show_round_events; 147 bool show_bpf_events; 148 bool show_cgroup_events; 149 bool show_text_poke_events; 150 bool allocated; 151 bool per_event_dump; 152 bool stitch_lbr; 153 struct evswitch evswitch; 154 struct perf_cpu_map *cpus; 155 struct perf_thread_map *threads; 156 int name_width; 157 const char *time_str; 158 struct perf_time_interval *ptime_range; 159 int range_size; 160 int range_num; 161 }; 162 163 struct output_option { 164 const char *str; 165 enum perf_output_field field; 166 } all_output_options[] = { 167 {.str = "comm", .field = PERF_OUTPUT_COMM}, 168 {.str = "tid", .field = PERF_OUTPUT_TID}, 169 {.str = "pid", .field = PERF_OUTPUT_PID}, 170 {.str = "time", .field = PERF_OUTPUT_TIME}, 171 {.str = "cpu", .field = PERF_OUTPUT_CPU}, 172 {.str = "event", .field = PERF_OUTPUT_EVNAME}, 173 {.str = "trace", .field = PERF_OUTPUT_TRACE}, 174 {.str = "ip", .field = PERF_OUTPUT_IP}, 175 {.str = "sym", .field = PERF_OUTPUT_SYM}, 176 {.str = "dso", .field = PERF_OUTPUT_DSO}, 177 {.str = "addr", .field = PERF_OUTPUT_ADDR}, 178 {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET}, 179 {.str = "srcline", .field = PERF_OUTPUT_SRCLINE}, 180 {.str = "period", .field = PERF_OUTPUT_PERIOD}, 181 {.str = "iregs", .field = PERF_OUTPUT_IREGS}, 182 {.str = "uregs", .field = PERF_OUTPUT_UREGS}, 183 {.str = "brstack", .field = PERF_OUTPUT_BRSTACK}, 184 {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM}, 185 {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC}, 186 {.str = "weight", .field = PERF_OUTPUT_WEIGHT}, 187 {.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT}, 188 {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT}, 189 {.str = "insn", .field = PERF_OUTPUT_INSN}, 190 {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN}, 191 {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN}, 192 {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF}, 193 {.str = "synth", .field = PERF_OUTPUT_SYNTH}, 194 {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR}, 195 {.str = "metric", .field = PERF_OUTPUT_METRIC}, 196 {.str = "misc", .field = PERF_OUTPUT_MISC}, 197 {.str = "srccode", .field = PERF_OUTPUT_SRCCODE}, 198 {.str = "ipc", .field = PERF_OUTPUT_IPC}, 199 {.str = "tod", .field = PERF_OUTPUT_TOD}, 200 {.str = "data_page_size", .field = PERF_OUTPUT_DATA_PAGE_SIZE}, 201 {.str = "code_page_size", .field = PERF_OUTPUT_CODE_PAGE_SIZE}, 202 {.str = "ins_lat", .field = PERF_OUTPUT_INS_LAT}, 203 {.str = "brstackinsnlen", .field = PERF_OUTPUT_BRSTACKINSNLEN}, 204 {.str = "machine_pid", .field = PERF_OUTPUT_MACHINE_PID}, 205 {.str = "vcpu", .field = PERF_OUTPUT_VCPU}, 206 {.str = "cgroup", .field = PERF_OUTPUT_CGROUP}, 207 {.str = "retire_lat", .field = PERF_OUTPUT_RETIRE_LAT}, 208 }; 209 210 enum { 211 OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX, 212 OUTPUT_TYPE_OTHER, 213 OUTPUT_TYPE_MAX 214 }; 215 216 /* default set to maintain compatibility with current format */ 217 static struct { 218 bool user_set; 219 bool wildcard_set; 220 unsigned int print_ip_opts; 221 u64 fields; 222 u64 invalid_fields; 223 u64 user_set_fields; 224 u64 user_unset_fields; 225 } output[OUTPUT_TYPE_MAX] = { 226 227 [PERF_TYPE_HARDWARE] = { 228 .user_set = false, 229 230 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 231 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 232 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 233 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 234 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 235 236 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 237 }, 238 239 [PERF_TYPE_SOFTWARE] = { 240 .user_set = false, 241 242 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 243 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 244 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 245 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 246 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 247 PERF_OUTPUT_BPF_OUTPUT, 248 249 .invalid_fields = PERF_OUTPUT_TRACE, 250 }, 251 252 [PERF_TYPE_TRACEPOINT] = { 253 .user_set = false, 254 255 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 256 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 257 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE 258 }, 259 260 [PERF_TYPE_HW_CACHE] = { 261 .user_set = false, 262 263 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 264 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 265 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 266 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 267 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 268 269 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 270 }, 271 272 [PERF_TYPE_RAW] = { 273 .user_set = false, 274 275 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 276 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 277 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 278 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 279 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 280 PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC | 281 PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR | 282 PERF_OUTPUT_DATA_PAGE_SIZE | PERF_OUTPUT_CODE_PAGE_SIZE | 283 PERF_OUTPUT_INS_LAT | PERF_OUTPUT_RETIRE_LAT, 284 285 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 286 }, 287 288 [PERF_TYPE_BREAKPOINT] = { 289 .user_set = false, 290 291 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 292 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 293 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 294 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 295 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 296 297 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 298 }, 299 300 [OUTPUT_TYPE_SYNTH] = { 301 .user_set = false, 302 303 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 304 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 305 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 306 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 307 PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH, 308 309 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 310 }, 311 312 [OUTPUT_TYPE_OTHER] = { 313 .user_set = false, 314 315 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 316 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 317 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 318 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 319 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 320 321 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 322 }, 323 }; 324 325 struct evsel_script { 326 char *filename; 327 FILE *fp; 328 u64 samples; 329 /* For metric output */ 330 u64 val; 331 int gnum; 332 }; 333 334 static inline struct evsel_script *evsel_script(struct evsel *evsel) 335 { 336 return (struct evsel_script *)evsel->priv; 337 } 338 339 static struct evsel_script *evsel_script__new(struct evsel *evsel, struct perf_data *data) 340 { 341 struct evsel_script *es = zalloc(sizeof(*es)); 342 343 if (es != NULL) { 344 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0) 345 goto out_free; 346 es->fp = fopen(es->filename, "w"); 347 if (es->fp == NULL) 348 goto out_free_filename; 349 } 350 351 return es; 352 out_free_filename: 353 zfree(&es->filename); 354 out_free: 355 free(es); 356 return NULL; 357 } 358 359 static void evsel_script__delete(struct evsel_script *es) 360 { 361 zfree(&es->filename); 362 fclose(es->fp); 363 es->fp = NULL; 364 free(es); 365 } 366 367 static int evsel_script__fprintf(struct evsel_script *es, FILE *fp) 368 { 369 struct stat st; 370 371 fstat(fileno(es->fp), &st); 372 return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n", 373 st.st_size / 1024.0 / 1024.0, es->filename, es->samples); 374 } 375 376 static inline int output_type(unsigned int type) 377 { 378 switch (type) { 379 case PERF_TYPE_SYNTH: 380 return OUTPUT_TYPE_SYNTH; 381 default: 382 if (type < PERF_TYPE_MAX) 383 return type; 384 } 385 386 return OUTPUT_TYPE_OTHER; 387 } 388 389 static bool output_set_by_user(void) 390 { 391 int j; 392 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 393 if (output[j].user_set) 394 return true; 395 } 396 return false; 397 } 398 399 static const char *output_field2str(enum perf_output_field field) 400 { 401 int i, imax = ARRAY_SIZE(all_output_options); 402 const char *str = ""; 403 404 for (i = 0; i < imax; ++i) { 405 if (all_output_options[i].field == field) { 406 str = all_output_options[i].str; 407 break; 408 } 409 } 410 return str; 411 } 412 413 #define PRINT_FIELD(x) (output[output_type(attr->type)].fields & PERF_OUTPUT_##x) 414 415 static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg, 416 enum perf_output_field field, bool allow_user_set) 417 { 418 struct perf_event_attr *attr = &evsel->core.attr; 419 int type = output_type(attr->type); 420 const char *evname; 421 422 if (attr->sample_type & sample_type) 423 return 0; 424 425 if (output[type].user_set_fields & field) { 426 if (allow_user_set) 427 return 0; 428 evname = evsel__name(evsel); 429 pr_err("Samples for '%s' event do not have %s attribute set. " 430 "Cannot print '%s' field.\n", 431 evname, sample_msg, output_field2str(field)); 432 return -1; 433 } 434 435 /* user did not ask for it explicitly so remove from the default list */ 436 output[type].fields &= ~field; 437 evname = evsel__name(evsel); 438 pr_debug("Samples for '%s' event do not have %s attribute set. " 439 "Skipping '%s' field.\n", 440 evname, sample_msg, output_field2str(field)); 441 442 return 0; 443 } 444 445 static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg, 446 enum perf_output_field field) 447 { 448 return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false); 449 } 450 451 static int evsel__check_attr(struct evsel *evsel, struct perf_session *session) 452 { 453 struct perf_event_attr *attr = &evsel->core.attr; 454 bool allow_user_set; 455 456 if (evsel__is_dummy_event(evsel)) 457 return 0; 458 459 if (perf_header__has_feat(&session->header, HEADER_STAT)) 460 return 0; 461 462 allow_user_set = perf_header__has_feat(&session->header, 463 HEADER_AUXTRACE); 464 465 if (PRINT_FIELD(TRACE) && 466 !perf_session__has_traces(session, "record -R")) 467 return -EINVAL; 468 469 if (PRINT_FIELD(IP)) { 470 if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP)) 471 return -EINVAL; 472 } 473 474 if (PRINT_FIELD(ADDR) && 475 evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set)) 476 return -EINVAL; 477 478 if (PRINT_FIELD(DATA_SRC) && 479 evsel__do_check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC, allow_user_set)) 480 return -EINVAL; 481 482 if (PRINT_FIELD(WEIGHT) && 483 evsel__do_check_stype(evsel, PERF_SAMPLE_WEIGHT_TYPE, "WEIGHT", PERF_OUTPUT_WEIGHT, allow_user_set)) 484 return -EINVAL; 485 486 if (PRINT_FIELD(SYM) && 487 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 488 pr_err("Display of symbols requested but neither sample IP nor " 489 "sample address\navailable. Hence, no addresses to convert " 490 "to symbols.\n"); 491 return -EINVAL; 492 } 493 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) { 494 pr_err("Display of offsets requested but symbol is not" 495 "selected.\n"); 496 return -EINVAL; 497 } 498 if (PRINT_FIELD(DSO) && 499 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 500 pr_err("Display of DSO requested but no address to convert.\n"); 501 return -EINVAL; 502 } 503 if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) { 504 pr_err("Display of source line number requested but sample IP is not\n" 505 "selected. Hence, no address to lookup the source line number.\n"); 506 return -EINVAL; 507 } 508 if ((PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN)) && !allow_user_set && 509 !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) { 510 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n" 511 "Hint: run 'perf record -b ...'\n"); 512 return -EINVAL; 513 } 514 if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) && 515 evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID)) 516 return -EINVAL; 517 518 if (PRINT_FIELD(TIME) && 519 evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME)) 520 return -EINVAL; 521 522 if (PRINT_FIELD(CPU) && 523 evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set)) 524 return -EINVAL; 525 526 if (PRINT_FIELD(IREGS) && 527 evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set)) 528 return -EINVAL; 529 530 if (PRINT_FIELD(UREGS) && 531 evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS)) 532 return -EINVAL; 533 534 if (PRINT_FIELD(PHYS_ADDR) && 535 evsel__do_check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR, allow_user_set)) 536 return -EINVAL; 537 538 if (PRINT_FIELD(DATA_PAGE_SIZE) && 539 evsel__check_stype(evsel, PERF_SAMPLE_DATA_PAGE_SIZE, "DATA_PAGE_SIZE", PERF_OUTPUT_DATA_PAGE_SIZE)) 540 return -EINVAL; 541 542 if (PRINT_FIELD(CODE_PAGE_SIZE) && 543 evsel__check_stype(evsel, PERF_SAMPLE_CODE_PAGE_SIZE, "CODE_PAGE_SIZE", PERF_OUTPUT_CODE_PAGE_SIZE)) 544 return -EINVAL; 545 546 if (PRINT_FIELD(INS_LAT) && 547 evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_INS_LAT)) 548 return -EINVAL; 549 550 if (PRINT_FIELD(CGROUP) && 551 evsel__check_stype(evsel, PERF_SAMPLE_CGROUP, "CGROUP", PERF_OUTPUT_CGROUP)) { 552 pr_err("Hint: run 'perf record --all-cgroups ...'\n"); 553 return -EINVAL; 554 } 555 556 if (PRINT_FIELD(RETIRE_LAT) && 557 evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_RETIRE_LAT)) 558 return -EINVAL; 559 560 return 0; 561 } 562 563 static void set_print_ip_opts(struct perf_event_attr *attr) 564 { 565 unsigned int type = output_type(attr->type); 566 567 output[type].print_ip_opts = 0; 568 if (PRINT_FIELD(IP)) 569 output[type].print_ip_opts |= EVSEL__PRINT_IP; 570 571 if (PRINT_FIELD(SYM)) 572 output[type].print_ip_opts |= EVSEL__PRINT_SYM; 573 574 if (PRINT_FIELD(DSO)) 575 output[type].print_ip_opts |= EVSEL__PRINT_DSO; 576 577 if (PRINT_FIELD(SYMOFFSET)) 578 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET; 579 580 if (PRINT_FIELD(SRCLINE)) 581 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE; 582 } 583 584 static struct evsel *find_first_output_type(struct evlist *evlist, 585 unsigned int type) 586 { 587 struct evsel *evsel; 588 589 evlist__for_each_entry(evlist, evsel) { 590 if (evsel__is_dummy_event(evsel)) 591 continue; 592 if (output_type(evsel->core.attr.type) == (int)type) 593 return evsel; 594 } 595 return NULL; 596 } 597 598 /* 599 * verify all user requested events exist and the samples 600 * have the expected data 601 */ 602 static int perf_session__check_output_opt(struct perf_session *session) 603 { 604 bool tod = false; 605 unsigned int j; 606 struct evsel *evsel; 607 608 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 609 evsel = find_first_output_type(session->evlist, j); 610 611 /* 612 * even if fields is set to 0 (ie., show nothing) event must 613 * exist if user explicitly includes it on the command line 614 */ 615 if (!evsel && output[j].user_set && !output[j].wildcard_set && 616 j != OUTPUT_TYPE_SYNTH) { 617 pr_err("%s events do not exist. " 618 "Remove corresponding -F option to proceed.\n", 619 event_type(j)); 620 return -1; 621 } 622 623 if (evsel && output[j].fields && 624 evsel__check_attr(evsel, session)) 625 return -1; 626 627 if (evsel == NULL) 628 continue; 629 630 set_print_ip_opts(&evsel->core.attr); 631 tod |= output[j].fields & PERF_OUTPUT_TOD; 632 } 633 634 if (!no_callchain) { 635 bool use_callchain = false; 636 bool not_pipe = false; 637 638 evlist__for_each_entry(session->evlist, evsel) { 639 not_pipe = true; 640 if (evsel__has_callchain(evsel)) { 641 use_callchain = true; 642 break; 643 } 644 } 645 if (not_pipe && !use_callchain) 646 symbol_conf.use_callchain = false; 647 } 648 649 /* 650 * set default for tracepoints to print symbols only 651 * if callchains are present 652 */ 653 if (symbol_conf.use_callchain && 654 !output[PERF_TYPE_TRACEPOINT].user_set) { 655 j = PERF_TYPE_TRACEPOINT; 656 657 evlist__for_each_entry(session->evlist, evsel) { 658 if (evsel->core.attr.type != j) 659 continue; 660 661 if (evsel__has_callchain(evsel)) { 662 output[j].fields |= PERF_OUTPUT_IP; 663 output[j].fields |= PERF_OUTPUT_SYM; 664 output[j].fields |= PERF_OUTPUT_SYMOFFSET; 665 output[j].fields |= PERF_OUTPUT_DSO; 666 set_print_ip_opts(&evsel->core.attr); 667 goto out; 668 } 669 } 670 } 671 672 if (tod && !session->header.env.clock.enabled) { 673 pr_err("Can't provide 'tod' time, missing clock data. " 674 "Please record with -k/--clockid option.\n"); 675 return -1; 676 } 677 out: 678 return 0; 679 } 680 681 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask, const char *arch, 682 FILE *fp) 683 { 684 unsigned i = 0, r; 685 int printed = 0; 686 687 if (!regs || !regs->regs) 688 return 0; 689 690 printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi); 691 692 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) { 693 u64 val = regs->regs[i++]; 694 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r, arch), val); 695 } 696 697 return printed; 698 } 699 700 #define DEFAULT_TOD_FMT "%F %H:%M:%S" 701 702 static char* 703 tod_scnprintf(struct perf_script *script, char *buf, int buflen, 704 u64 timestamp) 705 { 706 u64 tod_ns, clockid_ns; 707 struct perf_env *env; 708 unsigned long nsec; 709 struct tm ltime; 710 char date[64]; 711 time_t sec; 712 713 buf[0] = '\0'; 714 if (buflen < 64 || !script) 715 return buf; 716 717 env = &script->session->header.env; 718 if (!env->clock.enabled) { 719 scnprintf(buf, buflen, "disabled"); 720 return buf; 721 } 722 723 clockid_ns = env->clock.clockid_ns; 724 tod_ns = env->clock.tod_ns; 725 726 if (timestamp > clockid_ns) 727 tod_ns += timestamp - clockid_ns; 728 else 729 tod_ns -= clockid_ns - timestamp; 730 731 sec = (time_t) (tod_ns / NSEC_PER_SEC); 732 nsec = tod_ns - sec * NSEC_PER_SEC; 733 734 if (localtime_r(&sec, <ime) == NULL) { 735 scnprintf(buf, buflen, "failed"); 736 } else { 737 strftime(date, sizeof(date), DEFAULT_TOD_FMT, <ime); 738 739 if (symbol_conf.nanosecs) { 740 snprintf(buf, buflen, "%s.%09lu", date, nsec); 741 } else { 742 snprintf(buf, buflen, "%s.%06lu", 743 date, nsec / NSEC_PER_USEC); 744 } 745 } 746 747 return buf; 748 } 749 750 static int perf_sample__fprintf_iregs(struct perf_sample *sample, 751 struct perf_event_attr *attr, const char *arch, FILE *fp) 752 { 753 return perf_sample__fprintf_regs(&sample->intr_regs, 754 attr->sample_regs_intr, arch, fp); 755 } 756 757 static int perf_sample__fprintf_uregs(struct perf_sample *sample, 758 struct perf_event_attr *attr, const char *arch, FILE *fp) 759 { 760 return perf_sample__fprintf_regs(&sample->user_regs, 761 attr->sample_regs_user, arch, fp); 762 } 763 764 static int perf_sample__fprintf_start(struct perf_script *script, 765 struct perf_sample *sample, 766 struct thread *thread, 767 struct evsel *evsel, 768 u32 type, FILE *fp) 769 { 770 struct perf_event_attr *attr = &evsel->core.attr; 771 unsigned long secs; 772 unsigned long long nsecs; 773 int printed = 0; 774 char tstr[128]; 775 776 if (PRINT_FIELD(MACHINE_PID) && sample->machine_pid) 777 printed += fprintf(fp, "VM:%5d ", sample->machine_pid); 778 779 /* Print VCPU only for guest events i.e. with machine_pid */ 780 if (PRINT_FIELD(VCPU) && sample->machine_pid) 781 printed += fprintf(fp, "VCPU:%03d ", sample->vcpu); 782 783 if (PRINT_FIELD(COMM)) { 784 const char *comm = thread ? thread__comm_str(thread) : ":-1"; 785 786 if (latency_format) 787 printed += fprintf(fp, "%8.8s ", comm); 788 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain) 789 printed += fprintf(fp, "%s ", comm); 790 else 791 printed += fprintf(fp, "%16s ", comm); 792 } 793 794 if (PRINT_FIELD(PID) && PRINT_FIELD(TID)) 795 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid); 796 else if (PRINT_FIELD(PID)) 797 printed += fprintf(fp, "%5d ", sample->pid); 798 else if (PRINT_FIELD(TID)) 799 printed += fprintf(fp, "%5d ", sample->tid); 800 801 if (PRINT_FIELD(CPU)) { 802 if (latency_format) 803 printed += fprintf(fp, "%3d ", sample->cpu); 804 else 805 printed += fprintf(fp, "[%03d] ", sample->cpu); 806 } 807 808 if (PRINT_FIELD(MISC)) { 809 int ret = 0; 810 811 #define has(m) \ 812 (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m 813 814 if (has(KERNEL)) 815 ret += fprintf(fp, "K"); 816 if (has(USER)) 817 ret += fprintf(fp, "U"); 818 if (has(HYPERVISOR)) 819 ret += fprintf(fp, "H"); 820 if (has(GUEST_KERNEL)) 821 ret += fprintf(fp, "G"); 822 if (has(GUEST_USER)) 823 ret += fprintf(fp, "g"); 824 825 switch (type) { 826 case PERF_RECORD_MMAP: 827 case PERF_RECORD_MMAP2: 828 if (has(MMAP_DATA)) 829 ret += fprintf(fp, "M"); 830 break; 831 case PERF_RECORD_COMM: 832 if (has(COMM_EXEC)) 833 ret += fprintf(fp, "E"); 834 break; 835 case PERF_RECORD_SWITCH: 836 case PERF_RECORD_SWITCH_CPU_WIDE: 837 if (has(SWITCH_OUT)) { 838 ret += fprintf(fp, "S"); 839 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT) 840 ret += fprintf(fp, "p"); 841 } 842 default: 843 break; 844 } 845 846 #undef has 847 848 ret += fprintf(fp, "%*s", 6 - ret, " "); 849 printed += ret; 850 } 851 852 if (PRINT_FIELD(TOD)) { 853 tod_scnprintf(script, tstr, sizeof(tstr), sample->time); 854 printed += fprintf(fp, "%s ", tstr); 855 } 856 857 if (PRINT_FIELD(TIME)) { 858 u64 t = sample->time; 859 if (reltime) { 860 if (!initial_time) 861 initial_time = sample->time; 862 t = sample->time - initial_time; 863 } else if (deltatime) { 864 if (previous_time) 865 t = sample->time - previous_time; 866 else { 867 t = 0; 868 } 869 previous_time = sample->time; 870 } 871 nsecs = t; 872 secs = nsecs / NSEC_PER_SEC; 873 nsecs -= secs * NSEC_PER_SEC; 874 875 if (symbol_conf.nanosecs) 876 printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs); 877 else { 878 char sample_time[32]; 879 timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time)); 880 printed += fprintf(fp, "%12s: ", sample_time); 881 } 882 } 883 884 return printed; 885 } 886 887 static inline char 888 mispred_str(struct branch_entry *br) 889 { 890 if (!(br->flags.mispred || br->flags.predicted)) 891 return '-'; 892 893 return br->flags.predicted ? 'P' : 'M'; 894 } 895 896 static int print_bstack_flags(FILE *fp, struct branch_entry *br) 897 { 898 return fprintf(fp, "/%c/%c/%c/%d/%s/%s ", 899 mispred_str(br), 900 br->flags.in_tx ? 'X' : '-', 901 br->flags.abort ? 'A' : '-', 902 br->flags.cycles, 903 get_branch_type(br), 904 br->flags.spec ? branch_spec_desc(br->flags.spec) : "-"); 905 } 906 907 static int perf_sample__fprintf_brstack(struct perf_sample *sample, 908 struct thread *thread, 909 struct perf_event_attr *attr, FILE *fp) 910 { 911 struct branch_stack *br = sample->branch_stack; 912 struct branch_entry *entries = perf_sample__branch_entries(sample); 913 struct addr_location alf, alt; 914 u64 i, from, to; 915 int printed = 0; 916 917 if (!(br && br->nr)) 918 return 0; 919 920 for (i = 0; i < br->nr; i++) { 921 from = entries[i].from; 922 to = entries[i].to; 923 924 if (PRINT_FIELD(DSO)) { 925 memset(&alf, 0, sizeof(alf)); 926 memset(&alt, 0, sizeof(alt)); 927 thread__find_map_fb(thread, sample->cpumode, from, &alf); 928 thread__find_map_fb(thread, sample->cpumode, to, &alt); 929 } 930 931 printed += fprintf(fp, " 0x%"PRIx64, from); 932 if (PRINT_FIELD(DSO)) { 933 printed += fprintf(fp, "("); 934 printed += map__fprintf_dsoname(alf.map, fp); 935 printed += fprintf(fp, ")"); 936 } 937 938 printed += fprintf(fp, "/0x%"PRIx64, to); 939 if (PRINT_FIELD(DSO)) { 940 printed += fprintf(fp, "("); 941 printed += map__fprintf_dsoname(alt.map, fp); 942 printed += fprintf(fp, ")"); 943 } 944 945 printed += print_bstack_flags(fp, entries + i); 946 } 947 948 return printed; 949 } 950 951 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample, 952 struct thread *thread, 953 struct perf_event_attr *attr, FILE *fp) 954 { 955 struct branch_stack *br = sample->branch_stack; 956 struct branch_entry *entries = perf_sample__branch_entries(sample); 957 struct addr_location alf, alt; 958 u64 i, from, to; 959 int printed = 0; 960 961 if (!(br && br->nr)) 962 return 0; 963 964 for (i = 0; i < br->nr; i++) { 965 966 memset(&alf, 0, sizeof(alf)); 967 memset(&alt, 0, sizeof(alt)); 968 from = entries[i].from; 969 to = entries[i].to; 970 971 thread__find_symbol_fb(thread, sample->cpumode, from, &alf); 972 thread__find_symbol_fb(thread, sample->cpumode, to, &alt); 973 974 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp); 975 if (PRINT_FIELD(DSO)) { 976 printed += fprintf(fp, "("); 977 printed += map__fprintf_dsoname(alf.map, fp); 978 printed += fprintf(fp, ")"); 979 } 980 printed += fprintf(fp, "%c", '/'); 981 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp); 982 if (PRINT_FIELD(DSO)) { 983 printed += fprintf(fp, "("); 984 printed += map__fprintf_dsoname(alt.map, fp); 985 printed += fprintf(fp, ")"); 986 } 987 printed += print_bstack_flags(fp, entries + i); 988 } 989 990 return printed; 991 } 992 993 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample, 994 struct thread *thread, 995 struct perf_event_attr *attr, FILE *fp) 996 { 997 struct branch_stack *br = sample->branch_stack; 998 struct branch_entry *entries = perf_sample__branch_entries(sample); 999 struct addr_location alf, alt; 1000 u64 i, from, to; 1001 int printed = 0; 1002 1003 if (!(br && br->nr)) 1004 return 0; 1005 1006 for (i = 0; i < br->nr; i++) { 1007 1008 memset(&alf, 0, sizeof(alf)); 1009 memset(&alt, 0, sizeof(alt)); 1010 from = entries[i].from; 1011 to = entries[i].to; 1012 1013 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) && 1014 !alf.map->dso->adjust_symbols) 1015 from = map__map_ip(alf.map, from); 1016 1017 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) && 1018 !alt.map->dso->adjust_symbols) 1019 to = map__map_ip(alt.map, to); 1020 1021 printed += fprintf(fp, " 0x%"PRIx64, from); 1022 if (PRINT_FIELD(DSO)) { 1023 printed += fprintf(fp, "("); 1024 printed += map__fprintf_dsoname(alf.map, fp); 1025 printed += fprintf(fp, ")"); 1026 } 1027 printed += fprintf(fp, "/0x%"PRIx64, to); 1028 if (PRINT_FIELD(DSO)) { 1029 printed += fprintf(fp, "("); 1030 printed += map__fprintf_dsoname(alt.map, fp); 1031 printed += fprintf(fp, ")"); 1032 } 1033 printed += print_bstack_flags(fp, entries + i); 1034 } 1035 1036 return printed; 1037 } 1038 #define MAXBB 16384UL 1039 1040 static int grab_bb(u8 *buffer, u64 start, u64 end, 1041 struct machine *machine, struct thread *thread, 1042 bool *is64bit, u8 *cpumode, bool last) 1043 { 1044 long offset, len; 1045 struct addr_location al; 1046 bool kernel; 1047 1048 if (!start || !end) 1049 return 0; 1050 1051 kernel = machine__kernel_ip(machine, start); 1052 if (kernel) 1053 *cpumode = PERF_RECORD_MISC_KERNEL; 1054 else 1055 *cpumode = PERF_RECORD_MISC_USER; 1056 1057 /* 1058 * Block overlaps between kernel and user. 1059 * This can happen due to ring filtering 1060 * On Intel CPUs the entry into the kernel is filtered, 1061 * but the exit is not. Let the caller patch it up. 1062 */ 1063 if (kernel != machine__kernel_ip(machine, end)) { 1064 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end); 1065 return -ENXIO; 1066 } 1067 1068 memset(&al, 0, sizeof(al)); 1069 if (end - start > MAXBB - MAXINSN) { 1070 if (last) 1071 pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end); 1072 else 1073 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start); 1074 return 0; 1075 } 1076 1077 if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) { 1078 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 1079 return 0; 1080 } 1081 if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) { 1082 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 1083 return 0; 1084 } 1085 1086 /* Load maps to ensure dso->is_64_bit has been updated */ 1087 map__load(al.map); 1088 1089 offset = al.map->map_ip(al.map, start); 1090 len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer, 1091 end - start + MAXINSN); 1092 1093 *is64bit = al.map->dso->is_64_bit; 1094 if (len <= 0) 1095 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n", 1096 start, end); 1097 return len; 1098 } 1099 1100 static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state) 1101 { 1102 char *srcfile; 1103 int ret = 0; 1104 unsigned line; 1105 int len; 1106 char *srccode; 1107 1108 if (!map || !map->dso) 1109 return 0; 1110 srcfile = get_srcline_split(map->dso, 1111 map__rip_2objdump(map, addr), 1112 &line); 1113 if (!srcfile) 1114 return 0; 1115 1116 /* Avoid redundant printing */ 1117 if (state && 1118 state->srcfile && 1119 !strcmp(state->srcfile, srcfile) && 1120 state->line == line) { 1121 free(srcfile); 1122 return 0; 1123 } 1124 1125 srccode = find_sourceline(srcfile, line, &len); 1126 if (!srccode) 1127 goto out_free_line; 1128 1129 ret = fprintf(fp, "|%-8d %.*s", line, len, srccode); 1130 1131 if (state) { 1132 state->srcfile = srcfile; 1133 state->line = line; 1134 } 1135 return ret; 1136 1137 out_free_line: 1138 free(srcfile); 1139 return ret; 1140 } 1141 1142 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr) 1143 { 1144 struct addr_location al; 1145 int ret = 0; 1146 1147 memset(&al, 0, sizeof(al)); 1148 thread__find_map(thread, cpumode, addr, &al); 1149 if (!al.map) 1150 return 0; 1151 ret = map__fprintf_srccode(al.map, al.addr, stdout, 1152 &thread->srccode_state); 1153 if (ret) 1154 ret += printf("\n"); 1155 return ret; 1156 } 1157 1158 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en, 1159 struct perf_insn *x, u8 *inbuf, int len, 1160 int insn, FILE *fp, int *total_cycles, 1161 struct perf_event_attr *attr) 1162 { 1163 int ilen = 0; 1164 int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t", ip, 1165 dump_insn(x, ip, inbuf, len, &ilen)); 1166 1167 if (PRINT_FIELD(BRSTACKINSNLEN)) 1168 printed += fprintf(fp, "ilen: %d\t", ilen); 1169 1170 printed += fprintf(fp, "#%s%s%s%s", 1171 en->flags.predicted ? " PRED" : "", 1172 en->flags.mispred ? " MISPRED" : "", 1173 en->flags.in_tx ? " INTX" : "", 1174 en->flags.abort ? " ABORT" : ""); 1175 if (en->flags.cycles) { 1176 *total_cycles += en->flags.cycles; 1177 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles); 1178 if (insn) 1179 printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles); 1180 } 1181 return printed + fprintf(fp, "\n"); 1182 } 1183 1184 static int ip__fprintf_sym(uint64_t addr, struct thread *thread, 1185 u8 cpumode, int cpu, struct symbol **lastsym, 1186 struct perf_event_attr *attr, FILE *fp) 1187 { 1188 struct addr_location al; 1189 int off, printed = 0; 1190 1191 memset(&al, 0, sizeof(al)); 1192 1193 thread__find_map(thread, cpumode, addr, &al); 1194 1195 if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end) 1196 return 0; 1197 1198 al.cpu = cpu; 1199 al.sym = NULL; 1200 if (al.map) 1201 al.sym = map__find_symbol(al.map, al.addr); 1202 1203 if (!al.sym) 1204 return 0; 1205 1206 if (al.addr < al.sym->end) 1207 off = al.addr - al.sym->start; 1208 else 1209 off = al.addr - al.map->start - al.sym->start; 1210 printed += fprintf(fp, "\t%s", al.sym->name); 1211 if (off) 1212 printed += fprintf(fp, "%+d", off); 1213 printed += fprintf(fp, ":"); 1214 if (PRINT_FIELD(SRCLINE)) 1215 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp); 1216 printed += fprintf(fp, "\n"); 1217 *lastsym = al.sym; 1218 1219 return printed; 1220 } 1221 1222 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample, 1223 struct thread *thread, 1224 struct perf_event_attr *attr, 1225 struct machine *machine, FILE *fp) 1226 { 1227 struct branch_stack *br = sample->branch_stack; 1228 struct branch_entry *entries = perf_sample__branch_entries(sample); 1229 u64 start, end; 1230 int i, insn, len, nr, ilen, printed = 0; 1231 struct perf_insn x; 1232 u8 buffer[MAXBB]; 1233 unsigned off; 1234 struct symbol *lastsym = NULL; 1235 int total_cycles = 0; 1236 1237 if (!(br && br->nr)) 1238 return 0; 1239 nr = br->nr; 1240 if (max_blocks && nr > max_blocks + 1) 1241 nr = max_blocks + 1; 1242 1243 x.thread = thread; 1244 x.cpu = sample->cpu; 1245 1246 printed += fprintf(fp, "%c", '\n'); 1247 1248 /* Handle first from jump, of which we don't know the entry. */ 1249 len = grab_bb(buffer, entries[nr-1].from, 1250 entries[nr-1].from, 1251 machine, thread, &x.is64bit, &x.cpumode, false); 1252 if (len > 0) { 1253 printed += ip__fprintf_sym(entries[nr - 1].from, thread, 1254 x.cpumode, x.cpu, &lastsym, attr, fp); 1255 printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1], 1256 &x, buffer, len, 0, fp, &total_cycles, 1257 attr); 1258 if (PRINT_FIELD(SRCCODE)) 1259 printed += print_srccode(thread, x.cpumode, entries[nr - 1].from); 1260 } 1261 1262 /* Print all blocks */ 1263 for (i = nr - 2; i >= 0; i--) { 1264 if (entries[i].from || entries[i].to) 1265 pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i, 1266 entries[i].from, 1267 entries[i].to); 1268 start = entries[i + 1].to; 1269 end = entries[i].from; 1270 1271 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1272 /* Patch up missing kernel transfers due to ring filters */ 1273 if (len == -ENXIO && i > 0) { 1274 end = entries[--i].from; 1275 pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end); 1276 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1277 } 1278 if (len <= 0) 1279 continue; 1280 1281 insn = 0; 1282 for (off = 0; off < (unsigned)len; off += ilen) { 1283 uint64_t ip = start + off; 1284 1285 printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1286 if (ip == end) { 1287 printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp, 1288 &total_cycles, attr); 1289 if (PRINT_FIELD(SRCCODE)) 1290 printed += print_srccode(thread, x.cpumode, ip); 1291 break; 1292 } else { 1293 ilen = 0; 1294 printed += fprintf(fp, "\t%016" PRIx64 "\t%s", ip, 1295 dump_insn(&x, ip, buffer + off, len - off, &ilen)); 1296 if (PRINT_FIELD(BRSTACKINSNLEN)) 1297 printed += fprintf(fp, "\tilen: %d", ilen); 1298 printed += fprintf(fp, "\n"); 1299 if (ilen == 0) 1300 break; 1301 if (PRINT_FIELD(SRCCODE)) 1302 print_srccode(thread, x.cpumode, ip); 1303 insn++; 1304 } 1305 } 1306 if (off != end - start) 1307 printed += fprintf(fp, "\tmismatch of LBR data and executable\n"); 1308 } 1309 1310 /* 1311 * Hit the branch? In this case we are already done, and the target 1312 * has not been executed yet. 1313 */ 1314 if (entries[0].from == sample->ip) 1315 goto out; 1316 if (entries[0].flags.abort) 1317 goto out; 1318 1319 /* 1320 * Print final block up to sample 1321 * 1322 * Due to pipeline delays the LBRs might be missing a branch 1323 * or two, which can result in very large or negative blocks 1324 * between final branch and sample. When this happens just 1325 * continue walking after the last TO until we hit a branch. 1326 */ 1327 start = entries[0].to; 1328 end = sample->ip; 1329 if (end < start) { 1330 /* Missing jump. Scan 128 bytes for the next branch */ 1331 end = start + 128; 1332 } 1333 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true); 1334 printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1335 if (len <= 0) { 1336 /* Print at least last IP if basic block did not work */ 1337 len = grab_bb(buffer, sample->ip, sample->ip, 1338 machine, thread, &x.is64bit, &x.cpumode, false); 1339 if (len <= 0) 1340 goto out; 1341 ilen = 0; 1342 printed += fprintf(fp, "\t%016" PRIx64 "\t%s", sample->ip, 1343 dump_insn(&x, sample->ip, buffer, len, &ilen)); 1344 if (PRINT_FIELD(BRSTACKINSNLEN)) 1345 printed += fprintf(fp, "\tilen: %d", ilen); 1346 printed += fprintf(fp, "\n"); 1347 if (PRINT_FIELD(SRCCODE)) 1348 print_srccode(thread, x.cpumode, sample->ip); 1349 goto out; 1350 } 1351 for (off = 0; off <= end - start; off += ilen) { 1352 ilen = 0; 1353 printed += fprintf(fp, "\t%016" PRIx64 "\t%s", start + off, 1354 dump_insn(&x, start + off, buffer + off, len - off, &ilen)); 1355 if (PRINT_FIELD(BRSTACKINSNLEN)) 1356 printed += fprintf(fp, "\tilen: %d", ilen); 1357 printed += fprintf(fp, "\n"); 1358 if (ilen == 0) 1359 break; 1360 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) { 1361 /* 1362 * Hit a missing branch. Just stop. 1363 */ 1364 printed += fprintf(fp, "\t... not reaching sample ...\n"); 1365 break; 1366 } 1367 if (PRINT_FIELD(SRCCODE)) 1368 print_srccode(thread, x.cpumode, start + off); 1369 } 1370 out: 1371 return printed; 1372 } 1373 1374 static int perf_sample__fprintf_addr(struct perf_sample *sample, 1375 struct thread *thread, 1376 struct perf_event_attr *attr, FILE *fp) 1377 { 1378 struct addr_location al; 1379 int printed = fprintf(fp, "%16" PRIx64, sample->addr); 1380 1381 if (!sample_addr_correlates_sym(attr)) 1382 goto out; 1383 1384 thread__resolve(thread, &al, sample); 1385 1386 if (PRINT_FIELD(SYM)) { 1387 printed += fprintf(fp, " "); 1388 if (PRINT_FIELD(SYMOFFSET)) 1389 printed += symbol__fprintf_symname_offs(al.sym, &al, fp); 1390 else 1391 printed += symbol__fprintf_symname(al.sym, fp); 1392 } 1393 1394 if (PRINT_FIELD(DSO)) { 1395 printed += fprintf(fp, " ("); 1396 printed += map__fprintf_dsoname(al.map, fp); 1397 printed += fprintf(fp, ")"); 1398 } 1399 out: 1400 return printed; 1401 } 1402 1403 static const char *resolve_branch_sym(struct perf_sample *sample, 1404 struct evsel *evsel, 1405 struct thread *thread, 1406 struct addr_location *al, 1407 struct addr_location *addr_al, 1408 u64 *ip) 1409 { 1410 struct perf_event_attr *attr = &evsel->core.attr; 1411 const char *name = NULL; 1412 1413 if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) { 1414 if (sample_addr_correlates_sym(attr)) { 1415 if (!addr_al->thread) 1416 thread__resolve(thread, addr_al, sample); 1417 if (addr_al->sym) 1418 name = addr_al->sym->name; 1419 else 1420 *ip = sample->addr; 1421 } else { 1422 *ip = sample->addr; 1423 } 1424 } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) { 1425 if (al->sym) 1426 name = al->sym->name; 1427 else 1428 *ip = sample->ip; 1429 } 1430 return name; 1431 } 1432 1433 static int perf_sample__fprintf_callindent(struct perf_sample *sample, 1434 struct evsel *evsel, 1435 struct thread *thread, 1436 struct addr_location *al, 1437 struct addr_location *addr_al, 1438 FILE *fp) 1439 { 1440 struct perf_event_attr *attr = &evsel->core.attr; 1441 size_t depth = thread_stack__depth(thread, sample->cpu); 1442 const char *name = NULL; 1443 static int spacing; 1444 int len = 0; 1445 int dlen = 0; 1446 u64 ip = 0; 1447 1448 /* 1449 * The 'return' has already been popped off the stack so the depth has 1450 * to be adjusted to match the 'call'. 1451 */ 1452 if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN) 1453 depth += 1; 1454 1455 name = resolve_branch_sym(sample, evsel, thread, al, addr_al, &ip); 1456 1457 if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) { 1458 dlen += fprintf(fp, "("); 1459 dlen += map__fprintf_dsoname(al->map, fp); 1460 dlen += fprintf(fp, ")\t"); 1461 } 1462 1463 if (name) 1464 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name); 1465 else if (ip) 1466 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip); 1467 1468 if (len < 0) 1469 return len; 1470 1471 /* 1472 * Try to keep the output length from changing frequently so that the 1473 * output lines up more nicely. 1474 */ 1475 if (len > spacing || (len && len < spacing - 52)) 1476 spacing = round_up(len + 4, 32); 1477 1478 if (len < spacing) 1479 len += fprintf(fp, "%*s", spacing - len, ""); 1480 1481 return len + dlen; 1482 } 1483 1484 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused, 1485 struct thread *thread __maybe_unused, 1486 struct machine *machine __maybe_unused) 1487 { 1488 } 1489 1490 void script_fetch_insn(struct perf_sample *sample, struct thread *thread, 1491 struct machine *machine) 1492 { 1493 if (sample->insn_len == 0 && native_arch) 1494 arch_fetch_insn(sample, thread, machine); 1495 } 1496 1497 static int perf_sample__fprintf_insn(struct perf_sample *sample, 1498 struct perf_event_attr *attr, 1499 struct thread *thread, 1500 struct machine *machine, FILE *fp) 1501 { 1502 int printed = 0; 1503 1504 script_fetch_insn(sample, thread, machine); 1505 1506 if (PRINT_FIELD(INSNLEN)) 1507 printed += fprintf(fp, " ilen: %d", sample->insn_len); 1508 if (PRINT_FIELD(INSN) && sample->insn_len) { 1509 int i; 1510 1511 printed += fprintf(fp, " insn:"); 1512 for (i = 0; i < sample->insn_len; i++) 1513 printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]); 1514 } 1515 if (PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN)) 1516 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp); 1517 1518 return printed; 1519 } 1520 1521 static int perf_sample__fprintf_ipc(struct perf_sample *sample, 1522 struct perf_event_attr *attr, FILE *fp) 1523 { 1524 unsigned int ipc; 1525 1526 if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt) 1527 return 0; 1528 1529 ipc = (sample->insn_cnt * 100) / sample->cyc_cnt; 1530 1531 return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ", 1532 ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt); 1533 } 1534 1535 static int perf_sample__fprintf_bts(struct perf_sample *sample, 1536 struct evsel *evsel, 1537 struct thread *thread, 1538 struct addr_location *al, 1539 struct addr_location *addr_al, 1540 struct machine *machine, FILE *fp) 1541 { 1542 struct perf_event_attr *attr = &evsel->core.attr; 1543 unsigned int type = output_type(attr->type); 1544 bool print_srcline_last = false; 1545 int printed = 0; 1546 1547 if (PRINT_FIELD(CALLINDENT)) 1548 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, addr_al, fp); 1549 1550 /* print branch_from information */ 1551 if (PRINT_FIELD(IP)) { 1552 unsigned int print_opts = output[type].print_ip_opts; 1553 struct callchain_cursor *cursor = NULL; 1554 1555 if (symbol_conf.use_callchain && sample->callchain && 1556 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 1557 sample, NULL, NULL, scripting_max_stack) == 0) 1558 cursor = &callchain_cursor; 1559 1560 if (cursor == NULL) { 1561 printed += fprintf(fp, " "); 1562 if (print_opts & EVSEL__PRINT_SRCLINE) { 1563 print_srcline_last = true; 1564 print_opts &= ~EVSEL__PRINT_SRCLINE; 1565 } 1566 } else 1567 printed += fprintf(fp, "\n"); 1568 1569 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, 1570 symbol_conf.bt_stop_list, fp); 1571 } 1572 1573 /* print branch_to information */ 1574 if (PRINT_FIELD(ADDR) || 1575 ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 1576 !output[type].user_set)) { 1577 printed += fprintf(fp, " => "); 1578 printed += perf_sample__fprintf_addr(sample, thread, attr, fp); 1579 } 1580 1581 printed += perf_sample__fprintf_ipc(sample, attr, fp); 1582 1583 if (print_srcline_last) 1584 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp); 1585 1586 printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 1587 printed += fprintf(fp, "\n"); 1588 if (PRINT_FIELD(SRCCODE)) { 1589 int ret = map__fprintf_srccode(al->map, al->addr, stdout, 1590 &thread->srccode_state); 1591 if (ret) { 1592 printed += ret; 1593 printed += printf("\n"); 1594 } 1595 } 1596 return printed; 1597 } 1598 1599 static struct { 1600 u32 flags; 1601 const char *name; 1602 } sample_flags[] = { 1603 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"}, 1604 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"}, 1605 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"}, 1606 {PERF_IP_FLAG_BRANCH, "jmp"}, 1607 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"}, 1608 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"}, 1609 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"}, 1610 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"}, 1611 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"}, 1612 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"}, 1613 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"}, 1614 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"}, 1615 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"}, 1616 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMENTRY, "vmentry"}, 1617 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMEXIT, "vmexit"}, 1618 {0, NULL} 1619 }; 1620 1621 static const char *sample_flags_to_name(u32 flags) 1622 { 1623 int i; 1624 1625 for (i = 0; sample_flags[i].name ; i++) { 1626 if (sample_flags[i].flags == flags) 1627 return sample_flags[i].name; 1628 } 1629 1630 return NULL; 1631 } 1632 1633 int perf_sample__sprintf_flags(u32 flags, char *str, size_t sz) 1634 { 1635 u32 xf = PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_INTR_DISABLE | 1636 PERF_IP_FLAG_INTR_TOGGLE; 1637 const char *chars = PERF_IP_FLAG_CHARS; 1638 const size_t n = strlen(PERF_IP_FLAG_CHARS); 1639 const char *name = NULL; 1640 size_t i, pos = 0; 1641 char xs[16] = {0}; 1642 1643 if (flags & xf) 1644 snprintf(xs, sizeof(xs), "(%s%s%s)", 1645 flags & PERF_IP_FLAG_IN_TX ? "x" : "", 1646 flags & PERF_IP_FLAG_INTR_DISABLE ? "D" : "", 1647 flags & PERF_IP_FLAG_INTR_TOGGLE ? "t" : ""); 1648 1649 name = sample_flags_to_name(flags & ~xf); 1650 if (name) 1651 return snprintf(str, sz, "%-15s%6s", name, xs); 1652 1653 if (flags & PERF_IP_FLAG_TRACE_BEGIN) { 1654 name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_BEGIN)); 1655 if (name) 1656 return snprintf(str, sz, "tr strt %-7s%6s", name, xs); 1657 } 1658 1659 if (flags & PERF_IP_FLAG_TRACE_END) { 1660 name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_END)); 1661 if (name) 1662 return snprintf(str, sz, "tr end %-7s%6s", name, xs); 1663 } 1664 1665 for (i = 0; i < n; i++, flags >>= 1) { 1666 if ((flags & 1) && pos < sz) 1667 str[pos++] = chars[i]; 1668 } 1669 for (; i < 32; i++, flags >>= 1) { 1670 if ((flags & 1) && pos < sz) 1671 str[pos++] = '?'; 1672 } 1673 if (pos < sz) 1674 str[pos] = 0; 1675 1676 return pos; 1677 } 1678 1679 static int perf_sample__fprintf_flags(u32 flags, FILE *fp) 1680 { 1681 char str[SAMPLE_FLAGS_BUF_SIZE]; 1682 1683 perf_sample__sprintf_flags(flags, str, sizeof(str)); 1684 return fprintf(fp, " %-21s ", str); 1685 } 1686 1687 struct printer_data { 1688 int line_no; 1689 bool hit_nul; 1690 bool is_printable; 1691 }; 1692 1693 static int sample__fprintf_bpf_output(enum binary_printer_ops op, 1694 unsigned int val, 1695 void *extra, FILE *fp) 1696 { 1697 unsigned char ch = (unsigned char)val; 1698 struct printer_data *printer_data = extra; 1699 int printed = 0; 1700 1701 switch (op) { 1702 case BINARY_PRINT_DATA_BEGIN: 1703 printed += fprintf(fp, "\n"); 1704 break; 1705 case BINARY_PRINT_LINE_BEGIN: 1706 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" : 1707 " "); 1708 break; 1709 case BINARY_PRINT_ADDR: 1710 printed += fprintf(fp, " %04x:", val); 1711 break; 1712 case BINARY_PRINT_NUM_DATA: 1713 printed += fprintf(fp, " %02x", val); 1714 break; 1715 case BINARY_PRINT_NUM_PAD: 1716 printed += fprintf(fp, " "); 1717 break; 1718 case BINARY_PRINT_SEP: 1719 printed += fprintf(fp, " "); 1720 break; 1721 case BINARY_PRINT_CHAR_DATA: 1722 if (printer_data->hit_nul && ch) 1723 printer_data->is_printable = false; 1724 1725 if (!isprint(ch)) { 1726 printed += fprintf(fp, "%c", '.'); 1727 1728 if (!printer_data->is_printable) 1729 break; 1730 1731 if (ch == '\0') 1732 printer_data->hit_nul = true; 1733 else 1734 printer_data->is_printable = false; 1735 } else { 1736 printed += fprintf(fp, "%c", ch); 1737 } 1738 break; 1739 case BINARY_PRINT_CHAR_PAD: 1740 printed += fprintf(fp, " "); 1741 break; 1742 case BINARY_PRINT_LINE_END: 1743 printed += fprintf(fp, "\n"); 1744 printer_data->line_no++; 1745 break; 1746 case BINARY_PRINT_DATA_END: 1747 default: 1748 break; 1749 } 1750 1751 return printed; 1752 } 1753 1754 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp) 1755 { 1756 unsigned int nr_bytes = sample->raw_size; 1757 struct printer_data printer_data = {0, false, true}; 1758 int printed = binary__fprintf(sample->raw_data, nr_bytes, 8, 1759 sample__fprintf_bpf_output, &printer_data, fp); 1760 1761 if (printer_data.is_printable && printer_data.hit_nul) 1762 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data)); 1763 1764 return printed; 1765 } 1766 1767 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp) 1768 { 1769 if (len > 0 && len < spacing) 1770 return fprintf(fp, "%*s", spacing - len, ""); 1771 1772 return 0; 1773 } 1774 1775 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp) 1776 { 1777 return perf_sample__fprintf_spacing(len, 34, fp); 1778 } 1779 1780 /* If a value contains only printable ASCII characters padded with NULLs */ 1781 static bool ptw_is_prt(u64 val) 1782 { 1783 char c; 1784 u32 i; 1785 1786 for (i = 0; i < sizeof(val); i++) { 1787 c = ((char *)&val)[i]; 1788 if (!c) 1789 break; 1790 if (!isprint(c) || !isascii(c)) 1791 return false; 1792 } 1793 for (; i < sizeof(val); i++) { 1794 c = ((char *)&val)[i]; 1795 if (c) 1796 return false; 1797 } 1798 return true; 1799 } 1800 1801 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp) 1802 { 1803 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample); 1804 char str[sizeof(u64) + 1] = ""; 1805 int len; 1806 u64 val; 1807 1808 if (perf_sample__bad_synth_size(sample, *data)) 1809 return 0; 1810 1811 val = le64_to_cpu(data->payload); 1812 if (ptw_is_prt(val)) { 1813 memcpy(str, &val, sizeof(val)); 1814 str[sizeof(val)] = 0; 1815 } 1816 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " %s ", 1817 data->ip, val, str); 1818 return len + perf_sample__fprintf_pt_spacing(len, fp); 1819 } 1820 1821 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp) 1822 { 1823 struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample); 1824 int len; 1825 1826 if (perf_sample__bad_synth_size(sample, *data)) 1827 return 0; 1828 1829 len = fprintf(fp, " hints: %#x extensions: %#x ", 1830 data->hints, data->extensions); 1831 return len + perf_sample__fprintf_pt_spacing(len, fp); 1832 } 1833 1834 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp) 1835 { 1836 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample); 1837 int len; 1838 1839 if (perf_sample__bad_synth_size(sample, *data)) 1840 return 0; 1841 1842 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ", 1843 data->hw, data->cstate, data->subcstate); 1844 return len + perf_sample__fprintf_pt_spacing(len, fp); 1845 } 1846 1847 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp) 1848 { 1849 struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample); 1850 int len; 1851 1852 if (perf_sample__bad_synth_size(sample, *data)) 1853 return 0; 1854 1855 len = fprintf(fp, " IP: %u ", data->ip); 1856 return len + perf_sample__fprintf_pt_spacing(len, fp); 1857 } 1858 1859 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp) 1860 { 1861 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample); 1862 int len; 1863 1864 if (perf_sample__bad_synth_size(sample, *data)) 1865 return 0; 1866 1867 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ", 1868 data->deepest_cstate, data->last_cstate, 1869 data->wake_reason); 1870 return len + perf_sample__fprintf_pt_spacing(len, fp); 1871 } 1872 1873 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp) 1874 { 1875 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample); 1876 unsigned int percent, freq; 1877 int len; 1878 1879 if (perf_sample__bad_synth_size(sample, *data)) 1880 return 0; 1881 1882 freq = (le32_to_cpu(data->freq) + 500) / 1000; 1883 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq); 1884 if (data->max_nonturbo) { 1885 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10; 1886 len += fprintf(fp, "(%3u%%) ", percent); 1887 } 1888 return len + perf_sample__fprintf_pt_spacing(len, fp); 1889 } 1890 1891 static int perf_sample__fprintf_synth_psb(struct perf_sample *sample, FILE *fp) 1892 { 1893 struct perf_synth_intel_psb *data = perf_sample__synth_ptr(sample); 1894 int len; 1895 1896 if (perf_sample__bad_synth_size(sample, *data)) 1897 return 0; 1898 1899 len = fprintf(fp, " psb offs: %#" PRIx64, data->offset); 1900 return len + perf_sample__fprintf_pt_spacing(len, fp); 1901 } 1902 1903 /* Intel PT Event Trace */ 1904 static int perf_sample__fprintf_synth_evt(struct perf_sample *sample, FILE *fp) 1905 { 1906 struct perf_synth_intel_evt *data = perf_sample__synth_ptr(sample); 1907 const char *cfe[32] = {NULL, "INTR", "IRET", "SMI", "RSM", "SIPI", 1908 "INIT", "VMENTRY", "VMEXIT", "VMEXIT_INTR", 1909 "SHUTDOWN", NULL, "UINTR", "UIRET"}; 1910 const char *evd[64] = {"PFA", "VMXQ", "VMXR"}; 1911 const char *s; 1912 int len, i; 1913 1914 if (perf_sample__bad_synth_size(sample, *data)) 1915 return 0; 1916 1917 s = cfe[data->type]; 1918 if (s) { 1919 len = fprintf(fp, " cfe: %s IP: %d vector: %u", 1920 s, data->ip, data->vector); 1921 } else { 1922 len = fprintf(fp, " cfe: %u IP: %d vector: %u", 1923 data->type, data->ip, data->vector); 1924 } 1925 for (i = 0; i < data->evd_cnt; i++) { 1926 unsigned int et = data->evd[i].evd_type & 0x3f; 1927 1928 s = evd[et]; 1929 if (s) { 1930 len += fprintf(fp, " %s: %#" PRIx64, 1931 s, data->evd[i].payload); 1932 } else { 1933 len += fprintf(fp, " EVD_%u: %#" PRIx64, 1934 et, data->evd[i].payload); 1935 } 1936 } 1937 return len + perf_sample__fprintf_pt_spacing(len, fp); 1938 } 1939 1940 static int perf_sample__fprintf_synth_iflag_chg(struct perf_sample *sample, FILE *fp) 1941 { 1942 struct perf_synth_intel_iflag_chg *data = perf_sample__synth_ptr(sample); 1943 int len; 1944 1945 if (perf_sample__bad_synth_size(sample, *data)) 1946 return 0; 1947 1948 len = fprintf(fp, " IFLAG: %d->%d %s branch", !data->iflag, data->iflag, 1949 data->via_branch ? "via" : "non"); 1950 return len + perf_sample__fprintf_pt_spacing(len, fp); 1951 } 1952 1953 static int perf_sample__fprintf_synth(struct perf_sample *sample, 1954 struct evsel *evsel, FILE *fp) 1955 { 1956 switch (evsel->core.attr.config) { 1957 case PERF_SYNTH_INTEL_PTWRITE: 1958 return perf_sample__fprintf_synth_ptwrite(sample, fp); 1959 case PERF_SYNTH_INTEL_MWAIT: 1960 return perf_sample__fprintf_synth_mwait(sample, fp); 1961 case PERF_SYNTH_INTEL_PWRE: 1962 return perf_sample__fprintf_synth_pwre(sample, fp); 1963 case PERF_SYNTH_INTEL_EXSTOP: 1964 return perf_sample__fprintf_synth_exstop(sample, fp); 1965 case PERF_SYNTH_INTEL_PWRX: 1966 return perf_sample__fprintf_synth_pwrx(sample, fp); 1967 case PERF_SYNTH_INTEL_CBR: 1968 return perf_sample__fprintf_synth_cbr(sample, fp); 1969 case PERF_SYNTH_INTEL_PSB: 1970 return perf_sample__fprintf_synth_psb(sample, fp); 1971 case PERF_SYNTH_INTEL_EVT: 1972 return perf_sample__fprintf_synth_evt(sample, fp); 1973 case PERF_SYNTH_INTEL_IFLAG_CHG: 1974 return perf_sample__fprintf_synth_iflag_chg(sample, fp); 1975 default: 1976 break; 1977 } 1978 1979 return 0; 1980 } 1981 1982 static int evlist__max_name_len(struct evlist *evlist) 1983 { 1984 struct evsel *evsel; 1985 int max = 0; 1986 1987 evlist__for_each_entry(evlist, evsel) { 1988 int len = strlen(evsel__name(evsel)); 1989 1990 max = MAX(len, max); 1991 } 1992 1993 return max; 1994 } 1995 1996 static int data_src__fprintf(u64 data_src, FILE *fp) 1997 { 1998 struct mem_info mi = { .data_src.val = data_src }; 1999 char decode[100]; 2000 char out[100]; 2001 static int maxlen; 2002 int len; 2003 2004 perf_script__meminfo_scnprintf(decode, 100, &mi); 2005 2006 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode); 2007 if (maxlen < len) 2008 maxlen = len; 2009 2010 return fprintf(fp, "%-*s", maxlen, out); 2011 } 2012 2013 struct metric_ctx { 2014 struct perf_sample *sample; 2015 struct thread *thread; 2016 struct evsel *evsel; 2017 FILE *fp; 2018 }; 2019 2020 static void script_print_metric(struct perf_stat_config *config __maybe_unused, 2021 void *ctx, const char *color, 2022 const char *fmt, 2023 const char *unit, double val) 2024 { 2025 struct metric_ctx *mctx = ctx; 2026 2027 if (!fmt) 2028 return; 2029 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, 2030 PERF_RECORD_SAMPLE, mctx->fp); 2031 fputs("\tmetric: ", mctx->fp); 2032 if (color) 2033 color_fprintf(mctx->fp, color, fmt, val); 2034 else 2035 printf(fmt, val); 2036 fprintf(mctx->fp, " %s\n", unit); 2037 } 2038 2039 static void script_new_line(struct perf_stat_config *config __maybe_unused, 2040 void *ctx) 2041 { 2042 struct metric_ctx *mctx = ctx; 2043 2044 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, 2045 PERF_RECORD_SAMPLE, mctx->fp); 2046 fputs("\tmetric: ", mctx->fp); 2047 } 2048 2049 static void perf_sample__fprint_metric(struct perf_script *script, 2050 struct thread *thread, 2051 struct evsel *evsel, 2052 struct perf_sample *sample, 2053 FILE *fp) 2054 { 2055 struct evsel *leader = evsel__leader(evsel); 2056 struct perf_stat_output_ctx ctx = { 2057 .print_metric = script_print_metric, 2058 .new_line = script_new_line, 2059 .ctx = &(struct metric_ctx) { 2060 .sample = sample, 2061 .thread = thread, 2062 .evsel = evsel, 2063 .fp = fp, 2064 }, 2065 .force_header = false, 2066 }; 2067 struct evsel *ev2; 2068 u64 val; 2069 2070 if (!evsel->stats) 2071 evlist__alloc_stats(&stat_config, script->session->evlist, /*alloc_raw=*/false); 2072 if (evsel_script(leader)->gnum++ == 0) 2073 perf_stat__reset_shadow_stats(); 2074 val = sample->period * evsel->scale; 2075 evsel_script(evsel)->val = val; 2076 if (evsel_script(leader)->gnum == leader->core.nr_members) { 2077 for_each_group_member (ev2, leader) { 2078 perf_stat__print_shadow_stats(&stat_config, ev2, 2079 evsel_script(ev2)->val, 2080 sample->cpu, 2081 &ctx, 2082 NULL); 2083 } 2084 evsel_script(leader)->gnum = 0; 2085 } 2086 } 2087 2088 static bool show_event(struct perf_sample *sample, 2089 struct evsel *evsel, 2090 struct thread *thread, 2091 struct addr_location *al, 2092 struct addr_location *addr_al) 2093 { 2094 int depth = thread_stack__depth(thread, sample->cpu); 2095 2096 if (!symbol_conf.graph_function) 2097 return true; 2098 2099 if (thread->filter) { 2100 if (depth <= thread->filter_entry_depth) { 2101 thread->filter = false; 2102 return false; 2103 } 2104 return true; 2105 } else { 2106 const char *s = symbol_conf.graph_function; 2107 u64 ip; 2108 const char *name = resolve_branch_sym(sample, evsel, thread, al, addr_al, 2109 &ip); 2110 unsigned nlen; 2111 2112 if (!name) 2113 return false; 2114 nlen = strlen(name); 2115 while (*s) { 2116 unsigned len = strcspn(s, ","); 2117 if (nlen == len && !strncmp(name, s, len)) { 2118 thread->filter = true; 2119 thread->filter_entry_depth = depth; 2120 return true; 2121 } 2122 s += len; 2123 if (*s == ',') 2124 s++; 2125 } 2126 return false; 2127 } 2128 } 2129 2130 static void process_event(struct perf_script *script, 2131 struct perf_sample *sample, struct evsel *evsel, 2132 struct addr_location *al, 2133 struct addr_location *addr_al, 2134 struct machine *machine) 2135 { 2136 struct thread *thread = al->thread; 2137 struct perf_event_attr *attr = &evsel->core.attr; 2138 unsigned int type = output_type(attr->type); 2139 struct evsel_script *es = evsel->priv; 2140 FILE *fp = es->fp; 2141 char str[PAGE_SIZE_NAME_LEN]; 2142 const char *arch = perf_env__arch(machine->env); 2143 2144 if (output[type].fields == 0) 2145 return; 2146 2147 ++es->samples; 2148 2149 perf_sample__fprintf_start(script, sample, thread, evsel, 2150 PERF_RECORD_SAMPLE, fp); 2151 2152 if (PRINT_FIELD(PERIOD)) 2153 fprintf(fp, "%10" PRIu64 " ", sample->period); 2154 2155 if (PRINT_FIELD(EVNAME)) { 2156 const char *evname = evsel__name(evsel); 2157 2158 if (!script->name_width) 2159 script->name_width = evlist__max_name_len(script->session->evlist); 2160 2161 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]"); 2162 } 2163 2164 if (print_flags) 2165 perf_sample__fprintf_flags(sample->flags, fp); 2166 2167 if (is_bts_event(attr)) { 2168 perf_sample__fprintf_bts(sample, evsel, thread, al, addr_al, machine, fp); 2169 return; 2170 } 2171 #ifdef HAVE_LIBTRACEEVENT 2172 if (PRINT_FIELD(TRACE) && sample->raw_data) { 2173 event_format__fprintf(evsel->tp_format, sample->cpu, 2174 sample->raw_data, sample->raw_size, fp); 2175 } 2176 #endif 2177 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH)) 2178 perf_sample__fprintf_synth(sample, evsel, fp); 2179 2180 if (PRINT_FIELD(ADDR)) 2181 perf_sample__fprintf_addr(sample, thread, attr, fp); 2182 2183 if (PRINT_FIELD(DATA_SRC)) 2184 data_src__fprintf(sample->data_src, fp); 2185 2186 if (PRINT_FIELD(WEIGHT)) 2187 fprintf(fp, "%16" PRIu64, sample->weight); 2188 2189 if (PRINT_FIELD(INS_LAT)) 2190 fprintf(fp, "%16" PRIu16, sample->ins_lat); 2191 2192 if (PRINT_FIELD(RETIRE_LAT)) 2193 fprintf(fp, "%16" PRIu16, sample->retire_lat); 2194 2195 if (PRINT_FIELD(IP)) { 2196 struct callchain_cursor *cursor = NULL; 2197 2198 if (script->stitch_lbr) 2199 al->thread->lbr_stitch_enable = true; 2200 2201 if (symbol_conf.use_callchain && sample->callchain && 2202 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 2203 sample, NULL, NULL, scripting_max_stack) == 0) 2204 cursor = &callchain_cursor; 2205 2206 fputc(cursor ? '\n' : ' ', fp); 2207 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, 2208 symbol_conf.bt_stop_list, fp); 2209 } 2210 2211 if (PRINT_FIELD(IREGS)) 2212 perf_sample__fprintf_iregs(sample, attr, arch, fp); 2213 2214 if (PRINT_FIELD(UREGS)) 2215 perf_sample__fprintf_uregs(sample, attr, arch, fp); 2216 2217 if (PRINT_FIELD(BRSTACK)) 2218 perf_sample__fprintf_brstack(sample, thread, attr, fp); 2219 else if (PRINT_FIELD(BRSTACKSYM)) 2220 perf_sample__fprintf_brstacksym(sample, thread, attr, fp); 2221 else if (PRINT_FIELD(BRSTACKOFF)) 2222 perf_sample__fprintf_brstackoff(sample, thread, attr, fp); 2223 2224 if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT)) 2225 perf_sample__fprintf_bpf_output(sample, fp); 2226 perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 2227 2228 if (PRINT_FIELD(PHYS_ADDR)) 2229 fprintf(fp, "%16" PRIx64, sample->phys_addr); 2230 2231 if (PRINT_FIELD(DATA_PAGE_SIZE)) 2232 fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str)); 2233 2234 if (PRINT_FIELD(CODE_PAGE_SIZE)) 2235 fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str)); 2236 2237 if (PRINT_FIELD(CGROUP)) { 2238 const char *cgrp_name; 2239 struct cgroup *cgrp = cgroup__find(machine->env, 2240 sample->cgroup); 2241 if (cgrp != NULL) 2242 cgrp_name = cgrp->name; 2243 else 2244 cgrp_name = "unknown"; 2245 fprintf(fp, " %s", cgrp_name); 2246 } 2247 2248 perf_sample__fprintf_ipc(sample, attr, fp); 2249 2250 fprintf(fp, "\n"); 2251 2252 if (PRINT_FIELD(SRCCODE)) { 2253 if (map__fprintf_srccode(al->map, al->addr, stdout, 2254 &thread->srccode_state)) 2255 printf("\n"); 2256 } 2257 2258 if (PRINT_FIELD(METRIC)) 2259 perf_sample__fprint_metric(script, thread, evsel, sample, fp); 2260 2261 if (verbose > 0) 2262 fflush(fp); 2263 } 2264 2265 static struct scripting_ops *scripting_ops; 2266 2267 static void __process_stat(struct evsel *counter, u64 tstamp) 2268 { 2269 int nthreads = perf_thread_map__nr(counter->core.threads); 2270 int idx, thread; 2271 struct perf_cpu cpu; 2272 static int header_printed; 2273 2274 if (!header_printed) { 2275 printf("%3s %8s %15s %15s %15s %15s %s\n", 2276 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT"); 2277 header_printed = 1; 2278 } 2279 2280 for (thread = 0; thread < nthreads; thread++) { 2281 perf_cpu_map__for_each_cpu(cpu, idx, evsel__cpus(counter)) { 2282 struct perf_counts_values *counts; 2283 2284 counts = perf_counts(counter->counts, idx, thread); 2285 2286 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n", 2287 cpu.cpu, 2288 perf_thread_map__pid(counter->core.threads, thread), 2289 counts->val, 2290 counts->ena, 2291 counts->run, 2292 tstamp, 2293 evsel__name(counter)); 2294 } 2295 } 2296 } 2297 2298 static void process_stat(struct evsel *counter, u64 tstamp) 2299 { 2300 if (scripting_ops && scripting_ops->process_stat) 2301 scripting_ops->process_stat(&stat_config, counter, tstamp); 2302 else 2303 __process_stat(counter, tstamp); 2304 } 2305 2306 static void process_stat_interval(u64 tstamp) 2307 { 2308 if (scripting_ops && scripting_ops->process_stat_interval) 2309 scripting_ops->process_stat_interval(tstamp); 2310 } 2311 2312 static void setup_scripting(void) 2313 { 2314 #ifdef HAVE_LIBTRACEEVENT 2315 setup_perl_scripting(); 2316 #endif 2317 setup_python_scripting(); 2318 } 2319 2320 static int flush_scripting(void) 2321 { 2322 return scripting_ops ? scripting_ops->flush_script() : 0; 2323 } 2324 2325 static int cleanup_scripting(void) 2326 { 2327 pr_debug("\nperf script stopped\n"); 2328 2329 return scripting_ops ? scripting_ops->stop_script() : 0; 2330 } 2331 2332 static bool filter_cpu(struct perf_sample *sample) 2333 { 2334 if (cpu_list && sample->cpu != (u32)-1) 2335 return !test_bit(sample->cpu, cpu_bitmap); 2336 return false; 2337 } 2338 2339 static int process_sample_event(struct perf_tool *tool, 2340 union perf_event *event, 2341 struct perf_sample *sample, 2342 struct evsel *evsel, 2343 struct machine *machine) 2344 { 2345 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2346 struct addr_location al; 2347 struct addr_location addr_al; 2348 int ret = 0; 2349 2350 /* Set thread to NULL to indicate addr_al and al are not initialized */ 2351 addr_al.thread = NULL; 2352 al.thread = NULL; 2353 2354 ret = dlfilter__filter_event_early(dlfilter, event, sample, evsel, machine, &al, &addr_al); 2355 if (ret) { 2356 if (ret > 0) 2357 ret = 0; 2358 goto out_put; 2359 } 2360 2361 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num, 2362 sample->time)) { 2363 goto out_put; 2364 } 2365 2366 if (debug_mode) { 2367 if (sample->time < last_timestamp) { 2368 pr_err("Samples misordered, previous: %" PRIu64 2369 " this: %" PRIu64 "\n", last_timestamp, 2370 sample->time); 2371 nr_unordered++; 2372 } 2373 last_timestamp = sample->time; 2374 goto out_put; 2375 } 2376 2377 if (filter_cpu(sample)) 2378 goto out_put; 2379 2380 if (!al.thread && machine__resolve(machine, &al, sample) < 0) { 2381 pr_err("problem processing %d event, skipping it.\n", 2382 event->header.type); 2383 ret = -1; 2384 goto out_put; 2385 } 2386 2387 if (al.filtered) 2388 goto out_put; 2389 2390 if (!show_event(sample, evsel, al.thread, &al, &addr_al)) 2391 goto out_put; 2392 2393 if (evswitch__discard(&scr->evswitch, evsel)) 2394 goto out_put; 2395 2396 ret = dlfilter__filter_event(dlfilter, event, sample, evsel, machine, &al, &addr_al); 2397 if (ret) { 2398 if (ret > 0) 2399 ret = 0; 2400 goto out_put; 2401 } 2402 2403 if (scripting_ops) { 2404 struct addr_location *addr_al_ptr = NULL; 2405 2406 if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 2407 sample_addr_correlates_sym(&evsel->core.attr)) { 2408 if (!addr_al.thread) 2409 thread__resolve(al.thread, &addr_al, sample); 2410 addr_al_ptr = &addr_al; 2411 } 2412 scripting_ops->process_event(event, sample, evsel, &al, addr_al_ptr); 2413 } else { 2414 process_event(scr, sample, evsel, &al, &addr_al, machine); 2415 } 2416 2417 out_put: 2418 if (al.thread) 2419 addr_location__put(&al); 2420 return ret; 2421 } 2422 2423 static int process_attr(struct perf_tool *tool, union perf_event *event, 2424 struct evlist **pevlist) 2425 { 2426 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2427 struct evlist *evlist; 2428 struct evsel *evsel, *pos; 2429 u64 sample_type; 2430 int err; 2431 static struct evsel_script *es; 2432 2433 err = perf_event__process_attr(tool, event, pevlist); 2434 if (err) 2435 return err; 2436 2437 evlist = *pevlist; 2438 evsel = evlist__last(*pevlist); 2439 2440 if (!evsel->priv) { 2441 if (scr->per_event_dump) { 2442 evsel->priv = evsel_script__new(evsel, scr->session->data); 2443 } else { 2444 es = zalloc(sizeof(*es)); 2445 if (!es) 2446 return -ENOMEM; 2447 es->fp = stdout; 2448 evsel->priv = es; 2449 } 2450 } 2451 2452 if (evsel->core.attr.type >= PERF_TYPE_MAX && 2453 evsel->core.attr.type != PERF_TYPE_SYNTH) 2454 return 0; 2455 2456 evlist__for_each_entry(evlist, pos) { 2457 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel) 2458 return 0; 2459 } 2460 2461 if (evsel->core.attr.sample_type) { 2462 err = evsel__check_attr(evsel, scr->session); 2463 if (err) 2464 return err; 2465 } 2466 2467 /* 2468 * Check if we need to enable callchains based 2469 * on events sample_type. 2470 */ 2471 sample_type = evlist__combined_sample_type(evlist); 2472 callchain_param_setup(sample_type, perf_env__arch((*pevlist)->env)); 2473 2474 /* Enable fields for callchain entries */ 2475 if (symbol_conf.use_callchain && 2476 (sample_type & PERF_SAMPLE_CALLCHAIN || 2477 sample_type & PERF_SAMPLE_BRANCH_STACK || 2478 (sample_type & PERF_SAMPLE_REGS_USER && 2479 sample_type & PERF_SAMPLE_STACK_USER))) { 2480 int type = output_type(evsel->core.attr.type); 2481 2482 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP)) 2483 output[type].fields |= PERF_OUTPUT_IP; 2484 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM)) 2485 output[type].fields |= PERF_OUTPUT_SYM; 2486 } 2487 set_print_ip_opts(&evsel->core.attr); 2488 return 0; 2489 } 2490 2491 static int print_event_with_time(struct perf_tool *tool, 2492 union perf_event *event, 2493 struct perf_sample *sample, 2494 struct machine *machine, 2495 pid_t pid, pid_t tid, u64 timestamp) 2496 { 2497 struct perf_script *script = container_of(tool, struct perf_script, tool); 2498 struct perf_session *session = script->session; 2499 struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id); 2500 struct thread *thread = NULL; 2501 2502 if (evsel && !evsel->core.attr.sample_id_all) { 2503 sample->cpu = 0; 2504 sample->time = timestamp; 2505 sample->pid = pid; 2506 sample->tid = tid; 2507 } 2508 2509 if (filter_cpu(sample)) 2510 return 0; 2511 2512 if (tid != -1) 2513 thread = machine__findnew_thread(machine, pid, tid); 2514 2515 if (evsel) { 2516 perf_sample__fprintf_start(script, sample, thread, evsel, 2517 event->header.type, stdout); 2518 } 2519 2520 perf_event__fprintf(event, machine, stdout); 2521 2522 thread__put(thread); 2523 2524 return 0; 2525 } 2526 2527 static int print_event(struct perf_tool *tool, union perf_event *event, 2528 struct perf_sample *sample, struct machine *machine, 2529 pid_t pid, pid_t tid) 2530 { 2531 return print_event_with_time(tool, event, sample, machine, pid, tid, 0); 2532 } 2533 2534 static int process_comm_event(struct perf_tool *tool, 2535 union perf_event *event, 2536 struct perf_sample *sample, 2537 struct machine *machine) 2538 { 2539 if (perf_event__process_comm(tool, event, sample, machine) < 0) 2540 return -1; 2541 2542 return print_event(tool, event, sample, machine, event->comm.pid, 2543 event->comm.tid); 2544 } 2545 2546 static int process_namespaces_event(struct perf_tool *tool, 2547 union perf_event *event, 2548 struct perf_sample *sample, 2549 struct machine *machine) 2550 { 2551 if (perf_event__process_namespaces(tool, event, sample, machine) < 0) 2552 return -1; 2553 2554 return print_event(tool, event, sample, machine, event->namespaces.pid, 2555 event->namespaces.tid); 2556 } 2557 2558 static int process_cgroup_event(struct perf_tool *tool, 2559 union perf_event *event, 2560 struct perf_sample *sample, 2561 struct machine *machine) 2562 { 2563 if (perf_event__process_cgroup(tool, event, sample, machine) < 0) 2564 return -1; 2565 2566 return print_event(tool, event, sample, machine, sample->pid, 2567 sample->tid); 2568 } 2569 2570 static int process_fork_event(struct perf_tool *tool, 2571 union perf_event *event, 2572 struct perf_sample *sample, 2573 struct machine *machine) 2574 { 2575 if (perf_event__process_fork(tool, event, sample, machine) < 0) 2576 return -1; 2577 2578 return print_event_with_time(tool, event, sample, machine, 2579 event->fork.pid, event->fork.tid, 2580 event->fork.time); 2581 } 2582 static int process_exit_event(struct perf_tool *tool, 2583 union perf_event *event, 2584 struct perf_sample *sample, 2585 struct machine *machine) 2586 { 2587 /* Print before 'exit' deletes anything */ 2588 if (print_event_with_time(tool, event, sample, machine, event->fork.pid, 2589 event->fork.tid, event->fork.time)) 2590 return -1; 2591 2592 return perf_event__process_exit(tool, event, sample, machine); 2593 } 2594 2595 static int process_mmap_event(struct perf_tool *tool, 2596 union perf_event *event, 2597 struct perf_sample *sample, 2598 struct machine *machine) 2599 { 2600 if (perf_event__process_mmap(tool, event, sample, machine) < 0) 2601 return -1; 2602 2603 return print_event(tool, event, sample, machine, event->mmap.pid, 2604 event->mmap.tid); 2605 } 2606 2607 static int process_mmap2_event(struct perf_tool *tool, 2608 union perf_event *event, 2609 struct perf_sample *sample, 2610 struct machine *machine) 2611 { 2612 if (perf_event__process_mmap2(tool, event, sample, machine) < 0) 2613 return -1; 2614 2615 return print_event(tool, event, sample, machine, event->mmap2.pid, 2616 event->mmap2.tid); 2617 } 2618 2619 static int process_switch_event(struct perf_tool *tool, 2620 union perf_event *event, 2621 struct perf_sample *sample, 2622 struct machine *machine) 2623 { 2624 struct perf_script *script = container_of(tool, struct perf_script, tool); 2625 2626 if (perf_event__process_switch(tool, event, sample, machine) < 0) 2627 return -1; 2628 2629 if (scripting_ops && scripting_ops->process_switch && !filter_cpu(sample)) 2630 scripting_ops->process_switch(event, sample, machine); 2631 2632 if (!script->show_switch_events) 2633 return 0; 2634 2635 return print_event(tool, event, sample, machine, sample->pid, 2636 sample->tid); 2637 } 2638 2639 static int process_auxtrace_error(struct perf_session *session, 2640 union perf_event *event) 2641 { 2642 if (scripting_ops && scripting_ops->process_auxtrace_error) { 2643 scripting_ops->process_auxtrace_error(session, event); 2644 return 0; 2645 } 2646 2647 return perf_event__process_auxtrace_error(session, event); 2648 } 2649 2650 static int 2651 process_lost_event(struct perf_tool *tool, 2652 union perf_event *event, 2653 struct perf_sample *sample, 2654 struct machine *machine) 2655 { 2656 return print_event(tool, event, sample, machine, sample->pid, 2657 sample->tid); 2658 } 2659 2660 static int 2661 process_throttle_event(struct perf_tool *tool __maybe_unused, 2662 union perf_event *event, 2663 struct perf_sample *sample, 2664 struct machine *machine) 2665 { 2666 if (scripting_ops && scripting_ops->process_throttle) 2667 scripting_ops->process_throttle(event, sample, machine); 2668 return 0; 2669 } 2670 2671 static int 2672 process_finished_round_event(struct perf_tool *tool __maybe_unused, 2673 union perf_event *event, 2674 struct ordered_events *oe __maybe_unused) 2675 2676 { 2677 perf_event__fprintf(event, NULL, stdout); 2678 return 0; 2679 } 2680 2681 static int 2682 process_bpf_events(struct perf_tool *tool __maybe_unused, 2683 union perf_event *event, 2684 struct perf_sample *sample, 2685 struct machine *machine) 2686 { 2687 if (machine__process_ksymbol(machine, event, sample) < 0) 2688 return -1; 2689 2690 return print_event(tool, event, sample, machine, sample->pid, 2691 sample->tid); 2692 } 2693 2694 static int process_text_poke_events(struct perf_tool *tool, 2695 union perf_event *event, 2696 struct perf_sample *sample, 2697 struct machine *machine) 2698 { 2699 if (perf_event__process_text_poke(tool, event, sample, machine) < 0) 2700 return -1; 2701 2702 return print_event(tool, event, sample, machine, sample->pid, 2703 sample->tid); 2704 } 2705 2706 static void sig_handler(int sig __maybe_unused) 2707 { 2708 session_done = 1; 2709 } 2710 2711 static void perf_script__fclose_per_event_dump(struct perf_script *script) 2712 { 2713 struct evlist *evlist = script->session->evlist; 2714 struct evsel *evsel; 2715 2716 evlist__for_each_entry(evlist, evsel) { 2717 if (!evsel->priv) 2718 break; 2719 evsel_script__delete(evsel->priv); 2720 evsel->priv = NULL; 2721 } 2722 } 2723 2724 static int perf_script__fopen_per_event_dump(struct perf_script *script) 2725 { 2726 struct evsel *evsel; 2727 2728 evlist__for_each_entry(script->session->evlist, evsel) { 2729 /* 2730 * Already setup? I.e. we may be called twice in cases like 2731 * Intel PT, one for the intel_pt// and dummy events, then 2732 * for the evsels synthesized from the auxtrace info. 2733 * 2734 * Ses perf_script__process_auxtrace_info. 2735 */ 2736 if (evsel->priv != NULL) 2737 continue; 2738 2739 evsel->priv = evsel_script__new(evsel, script->session->data); 2740 if (evsel->priv == NULL) 2741 goto out_err_fclose; 2742 } 2743 2744 return 0; 2745 2746 out_err_fclose: 2747 perf_script__fclose_per_event_dump(script); 2748 return -1; 2749 } 2750 2751 static int perf_script__setup_per_event_dump(struct perf_script *script) 2752 { 2753 struct evsel *evsel; 2754 static struct evsel_script es_stdout; 2755 2756 if (script->per_event_dump) 2757 return perf_script__fopen_per_event_dump(script); 2758 2759 es_stdout.fp = stdout; 2760 2761 evlist__for_each_entry(script->session->evlist, evsel) 2762 evsel->priv = &es_stdout; 2763 2764 return 0; 2765 } 2766 2767 static void perf_script__exit_per_event_dump_stats(struct perf_script *script) 2768 { 2769 struct evsel *evsel; 2770 2771 evlist__for_each_entry(script->session->evlist, evsel) { 2772 struct evsel_script *es = evsel->priv; 2773 2774 evsel_script__fprintf(es, stdout); 2775 evsel_script__delete(es); 2776 evsel->priv = NULL; 2777 } 2778 } 2779 2780 static void perf_script__exit(struct perf_script *script) 2781 { 2782 perf_thread_map__put(script->threads); 2783 perf_cpu_map__put(script->cpus); 2784 } 2785 2786 static int __cmd_script(struct perf_script *script) 2787 { 2788 int ret; 2789 2790 signal(SIGINT, sig_handler); 2791 2792 /* override event processing functions */ 2793 if (script->show_task_events) { 2794 script->tool.comm = process_comm_event; 2795 script->tool.fork = process_fork_event; 2796 script->tool.exit = process_exit_event; 2797 } 2798 if (script->show_mmap_events) { 2799 script->tool.mmap = process_mmap_event; 2800 script->tool.mmap2 = process_mmap2_event; 2801 } 2802 if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch)) 2803 script->tool.context_switch = process_switch_event; 2804 if (scripting_ops && scripting_ops->process_auxtrace_error) 2805 script->tool.auxtrace_error = process_auxtrace_error; 2806 if (script->show_namespace_events) 2807 script->tool.namespaces = process_namespaces_event; 2808 if (script->show_cgroup_events) 2809 script->tool.cgroup = process_cgroup_event; 2810 if (script->show_lost_events) 2811 script->tool.lost = process_lost_event; 2812 if (script->show_round_events) { 2813 script->tool.ordered_events = false; 2814 script->tool.finished_round = process_finished_round_event; 2815 } 2816 if (script->show_bpf_events) { 2817 script->tool.ksymbol = process_bpf_events; 2818 script->tool.bpf = process_bpf_events; 2819 } 2820 if (script->show_text_poke_events) { 2821 script->tool.ksymbol = process_bpf_events; 2822 script->tool.text_poke = process_text_poke_events; 2823 } 2824 2825 if (perf_script__setup_per_event_dump(script)) { 2826 pr_err("Couldn't create the per event dump files\n"); 2827 return -1; 2828 } 2829 2830 ret = perf_session__process_events(script->session); 2831 2832 if (script->per_event_dump) 2833 perf_script__exit_per_event_dump_stats(script); 2834 2835 if (debug_mode) 2836 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); 2837 2838 return ret; 2839 } 2840 2841 struct script_spec { 2842 struct list_head node; 2843 struct scripting_ops *ops; 2844 char spec[]; 2845 }; 2846 2847 static LIST_HEAD(script_specs); 2848 2849 static struct script_spec *script_spec__new(const char *spec, 2850 struct scripting_ops *ops) 2851 { 2852 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); 2853 2854 if (s != NULL) { 2855 strcpy(s->spec, spec); 2856 s->ops = ops; 2857 } 2858 2859 return s; 2860 } 2861 2862 static void script_spec__add(struct script_spec *s) 2863 { 2864 list_add_tail(&s->node, &script_specs); 2865 } 2866 2867 static struct script_spec *script_spec__find(const char *spec) 2868 { 2869 struct script_spec *s; 2870 2871 list_for_each_entry(s, &script_specs, node) 2872 if (strcasecmp(s->spec, spec) == 0) 2873 return s; 2874 return NULL; 2875 } 2876 2877 int script_spec_register(const char *spec, struct scripting_ops *ops) 2878 { 2879 struct script_spec *s; 2880 2881 s = script_spec__find(spec); 2882 if (s) 2883 return -1; 2884 2885 s = script_spec__new(spec, ops); 2886 if (!s) 2887 return -1; 2888 else 2889 script_spec__add(s); 2890 2891 return 0; 2892 } 2893 2894 static struct scripting_ops *script_spec__lookup(const char *spec) 2895 { 2896 struct script_spec *s = script_spec__find(spec); 2897 if (!s) 2898 return NULL; 2899 2900 return s->ops; 2901 } 2902 2903 static void list_available_languages(void) 2904 { 2905 struct script_spec *s; 2906 2907 fprintf(stderr, "\n"); 2908 fprintf(stderr, "Scripting language extensions (used in " 2909 "perf script -s [spec:]script.[spec]):\n\n"); 2910 2911 list_for_each_entry(s, &script_specs, node) 2912 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); 2913 2914 fprintf(stderr, "\n"); 2915 } 2916 2917 /* Find script file relative to current directory or exec path */ 2918 static char *find_script(const char *script) 2919 { 2920 char path[PATH_MAX]; 2921 2922 if (!scripting_ops) { 2923 const char *ext = strrchr(script, '.'); 2924 2925 if (!ext) 2926 return NULL; 2927 2928 scripting_ops = script_spec__lookup(++ext); 2929 if (!scripting_ops) 2930 return NULL; 2931 } 2932 2933 if (access(script, R_OK)) { 2934 char *exec_path = get_argv_exec_path(); 2935 2936 if (!exec_path) 2937 return NULL; 2938 snprintf(path, sizeof(path), "%s/scripts/%s/%s", 2939 exec_path, scripting_ops->dirname, script); 2940 free(exec_path); 2941 script = path; 2942 if (access(script, R_OK)) 2943 return NULL; 2944 } 2945 return strdup(script); 2946 } 2947 2948 static int parse_scriptname(const struct option *opt __maybe_unused, 2949 const char *str, int unset __maybe_unused) 2950 { 2951 char spec[PATH_MAX]; 2952 const char *script, *ext; 2953 int len; 2954 2955 if (strcmp(str, "lang") == 0) { 2956 list_available_languages(); 2957 exit(0); 2958 } 2959 2960 script = strchr(str, ':'); 2961 if (script) { 2962 len = script - str; 2963 if (len >= PATH_MAX) { 2964 fprintf(stderr, "invalid language specifier"); 2965 return -1; 2966 } 2967 strncpy(spec, str, len); 2968 spec[len] = '\0'; 2969 scripting_ops = script_spec__lookup(spec); 2970 if (!scripting_ops) { 2971 fprintf(stderr, "invalid language specifier"); 2972 return -1; 2973 } 2974 script++; 2975 } else { 2976 script = str; 2977 ext = strrchr(script, '.'); 2978 if (!ext) { 2979 fprintf(stderr, "invalid script extension"); 2980 return -1; 2981 } 2982 scripting_ops = script_spec__lookup(++ext); 2983 if (!scripting_ops) { 2984 fprintf(stderr, "invalid script extension"); 2985 return -1; 2986 } 2987 } 2988 2989 script_name = find_script(script); 2990 if (!script_name) 2991 script_name = strdup(script); 2992 2993 return 0; 2994 } 2995 2996 static int parse_output_fields(const struct option *opt __maybe_unused, 2997 const char *arg, int unset __maybe_unused) 2998 { 2999 char *tok, *strtok_saveptr = NULL; 3000 int i, imax = ARRAY_SIZE(all_output_options); 3001 int j; 3002 int rc = 0; 3003 char *str = strdup(arg); 3004 int type = -1; 3005 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT; 3006 3007 if (!str) 3008 return -ENOMEM; 3009 3010 /* first word can state for which event type the user is specifying 3011 * the fields. If no type exists, the specified fields apply to all 3012 * event types found in the file minus the invalid fields for a type. 3013 */ 3014 tok = strchr(str, ':'); 3015 if (tok) { 3016 *tok = '\0'; 3017 tok++; 3018 if (!strcmp(str, "hw")) 3019 type = PERF_TYPE_HARDWARE; 3020 else if (!strcmp(str, "sw")) 3021 type = PERF_TYPE_SOFTWARE; 3022 else if (!strcmp(str, "trace")) 3023 type = PERF_TYPE_TRACEPOINT; 3024 else if (!strcmp(str, "raw")) 3025 type = PERF_TYPE_RAW; 3026 else if (!strcmp(str, "break")) 3027 type = PERF_TYPE_BREAKPOINT; 3028 else if (!strcmp(str, "synth")) 3029 type = OUTPUT_TYPE_SYNTH; 3030 else { 3031 fprintf(stderr, "Invalid event type in field string.\n"); 3032 rc = -EINVAL; 3033 goto out; 3034 } 3035 3036 if (output[type].user_set) 3037 pr_warning("Overriding previous field request for %s events.\n", 3038 event_type(type)); 3039 3040 /* Don't override defaults for +- */ 3041 if (strchr(tok, '+') || strchr(tok, '-')) 3042 goto parse; 3043 3044 output[type].fields = 0; 3045 output[type].user_set = true; 3046 output[type].wildcard_set = false; 3047 3048 } else { 3049 tok = str; 3050 if (strlen(str) == 0) { 3051 fprintf(stderr, 3052 "Cannot set fields to 'none' for all event types.\n"); 3053 rc = -EINVAL; 3054 goto out; 3055 } 3056 3057 /* Don't override defaults for +- */ 3058 if (strchr(str, '+') || strchr(str, '-')) 3059 goto parse; 3060 3061 if (output_set_by_user()) 3062 pr_warning("Overriding previous field request for all events.\n"); 3063 3064 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 3065 output[j].fields = 0; 3066 output[j].user_set = true; 3067 output[j].wildcard_set = true; 3068 } 3069 } 3070 3071 parse: 3072 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) { 3073 if (*tok == '+') { 3074 if (change == SET) 3075 goto out_badmix; 3076 change = ADD; 3077 tok++; 3078 } else if (*tok == '-') { 3079 if (change == SET) 3080 goto out_badmix; 3081 change = REMOVE; 3082 tok++; 3083 } else { 3084 if (change != SET && change != DEFAULT) 3085 goto out_badmix; 3086 change = SET; 3087 } 3088 3089 for (i = 0; i < imax; ++i) { 3090 if (strcmp(tok, all_output_options[i].str) == 0) 3091 break; 3092 } 3093 if (i == imax && strcmp(tok, "flags") == 0) { 3094 print_flags = change != REMOVE; 3095 continue; 3096 } 3097 if (i == imax) { 3098 fprintf(stderr, "Invalid field requested.\n"); 3099 rc = -EINVAL; 3100 goto out; 3101 } 3102 3103 if (type == -1) { 3104 /* add user option to all events types for 3105 * which it is valid 3106 */ 3107 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 3108 if (output[j].invalid_fields & all_output_options[i].field) { 3109 pr_warning("\'%s\' not valid for %s events. Ignoring.\n", 3110 all_output_options[i].str, event_type(j)); 3111 } else { 3112 if (change == REMOVE) { 3113 output[j].fields &= ~all_output_options[i].field; 3114 output[j].user_set_fields &= ~all_output_options[i].field; 3115 output[j].user_unset_fields |= all_output_options[i].field; 3116 } else { 3117 output[j].fields |= all_output_options[i].field; 3118 output[j].user_set_fields |= all_output_options[i].field; 3119 output[j].user_unset_fields &= ~all_output_options[i].field; 3120 } 3121 output[j].user_set = true; 3122 output[j].wildcard_set = true; 3123 } 3124 } 3125 } else { 3126 if (output[type].invalid_fields & all_output_options[i].field) { 3127 fprintf(stderr, "\'%s\' not valid for %s events.\n", 3128 all_output_options[i].str, event_type(type)); 3129 3130 rc = -EINVAL; 3131 goto out; 3132 } 3133 if (change == REMOVE) 3134 output[type].fields &= ~all_output_options[i].field; 3135 else 3136 output[type].fields |= all_output_options[i].field; 3137 output[type].user_set = true; 3138 output[type].wildcard_set = true; 3139 } 3140 } 3141 3142 if (type >= 0) { 3143 if (output[type].fields == 0) { 3144 pr_debug("No fields requested for %s type. " 3145 "Events will not be displayed.\n", event_type(type)); 3146 } 3147 } 3148 goto out; 3149 3150 out_badmix: 3151 fprintf(stderr, "Cannot mix +-field with overridden fields\n"); 3152 rc = -EINVAL; 3153 out: 3154 free(str); 3155 return rc; 3156 } 3157 3158 #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \ 3159 while ((lang_dirent = readdir(scripts_dir)) != NULL) \ 3160 if ((lang_dirent->d_type == DT_DIR || \ 3161 (lang_dirent->d_type == DT_UNKNOWN && \ 3162 is_directory(scripts_path, lang_dirent))) && \ 3163 (strcmp(lang_dirent->d_name, ".")) && \ 3164 (strcmp(lang_dirent->d_name, ".."))) 3165 3166 #define for_each_script(lang_path, lang_dir, script_dirent) \ 3167 while ((script_dirent = readdir(lang_dir)) != NULL) \ 3168 if (script_dirent->d_type != DT_DIR && \ 3169 (script_dirent->d_type != DT_UNKNOWN || \ 3170 !is_directory(lang_path, script_dirent))) 3171 3172 3173 #define RECORD_SUFFIX "-record" 3174 #define REPORT_SUFFIX "-report" 3175 3176 struct script_desc { 3177 struct list_head node; 3178 char *name; 3179 char *half_liner; 3180 char *args; 3181 }; 3182 3183 static LIST_HEAD(script_descs); 3184 3185 static struct script_desc *script_desc__new(const char *name) 3186 { 3187 struct script_desc *s = zalloc(sizeof(*s)); 3188 3189 if (s != NULL && name) 3190 s->name = strdup(name); 3191 3192 return s; 3193 } 3194 3195 static void script_desc__delete(struct script_desc *s) 3196 { 3197 zfree(&s->name); 3198 zfree(&s->half_liner); 3199 zfree(&s->args); 3200 free(s); 3201 } 3202 3203 static void script_desc__add(struct script_desc *s) 3204 { 3205 list_add_tail(&s->node, &script_descs); 3206 } 3207 3208 static struct script_desc *script_desc__find(const char *name) 3209 { 3210 struct script_desc *s; 3211 3212 list_for_each_entry(s, &script_descs, node) 3213 if (strcasecmp(s->name, name) == 0) 3214 return s; 3215 return NULL; 3216 } 3217 3218 static struct script_desc *script_desc__findnew(const char *name) 3219 { 3220 struct script_desc *s = script_desc__find(name); 3221 3222 if (s) 3223 return s; 3224 3225 s = script_desc__new(name); 3226 if (!s) 3227 return NULL; 3228 3229 script_desc__add(s); 3230 3231 return s; 3232 } 3233 3234 static const char *ends_with(const char *str, const char *suffix) 3235 { 3236 size_t suffix_len = strlen(suffix); 3237 const char *p = str; 3238 3239 if (strlen(str) > suffix_len) { 3240 p = str + strlen(str) - suffix_len; 3241 if (!strncmp(p, suffix, suffix_len)) 3242 return p; 3243 } 3244 3245 return NULL; 3246 } 3247 3248 static int read_script_info(struct script_desc *desc, const char *filename) 3249 { 3250 char line[BUFSIZ], *p; 3251 FILE *fp; 3252 3253 fp = fopen(filename, "r"); 3254 if (!fp) 3255 return -1; 3256 3257 while (fgets(line, sizeof(line), fp)) { 3258 p = skip_spaces(line); 3259 if (strlen(p) == 0) 3260 continue; 3261 if (*p != '#') 3262 continue; 3263 p++; 3264 if (strlen(p) && *p == '!') 3265 continue; 3266 3267 p = skip_spaces(p); 3268 if (strlen(p) && p[strlen(p) - 1] == '\n') 3269 p[strlen(p) - 1] = '\0'; 3270 3271 if (!strncmp(p, "description:", strlen("description:"))) { 3272 p += strlen("description:"); 3273 desc->half_liner = strdup(skip_spaces(p)); 3274 continue; 3275 } 3276 3277 if (!strncmp(p, "args:", strlen("args:"))) { 3278 p += strlen("args:"); 3279 desc->args = strdup(skip_spaces(p)); 3280 continue; 3281 } 3282 } 3283 3284 fclose(fp); 3285 3286 return 0; 3287 } 3288 3289 static char *get_script_root(struct dirent *script_dirent, const char *suffix) 3290 { 3291 char *script_root, *str; 3292 3293 script_root = strdup(script_dirent->d_name); 3294 if (!script_root) 3295 return NULL; 3296 3297 str = (char *)ends_with(script_root, suffix); 3298 if (!str) { 3299 free(script_root); 3300 return NULL; 3301 } 3302 3303 *str = '\0'; 3304 return script_root; 3305 } 3306 3307 static int list_available_scripts(const struct option *opt __maybe_unused, 3308 const char *s __maybe_unused, 3309 int unset __maybe_unused) 3310 { 3311 struct dirent *script_dirent, *lang_dirent; 3312 char scripts_path[MAXPATHLEN]; 3313 DIR *scripts_dir, *lang_dir; 3314 char script_path[MAXPATHLEN]; 3315 char lang_path[MAXPATHLEN]; 3316 struct script_desc *desc; 3317 char first_half[BUFSIZ]; 3318 char *script_root; 3319 3320 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3321 3322 scripts_dir = opendir(scripts_path); 3323 if (!scripts_dir) { 3324 fprintf(stdout, 3325 "open(%s) failed.\n" 3326 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n", 3327 scripts_path); 3328 exit(-1); 3329 } 3330 3331 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3332 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3333 lang_dirent->d_name); 3334 lang_dir = opendir(lang_path); 3335 if (!lang_dir) 3336 continue; 3337 3338 for_each_script(lang_path, lang_dir, script_dirent) { 3339 script_root = get_script_root(script_dirent, REPORT_SUFFIX); 3340 if (script_root) { 3341 desc = script_desc__findnew(script_root); 3342 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3343 lang_path, script_dirent->d_name); 3344 read_script_info(desc, script_path); 3345 free(script_root); 3346 } 3347 } 3348 } 3349 3350 fprintf(stdout, "List of available trace scripts:\n"); 3351 list_for_each_entry(desc, &script_descs, node) { 3352 sprintf(first_half, "%s %s", desc->name, 3353 desc->args ? desc->args : ""); 3354 fprintf(stdout, " %-36s %s\n", first_half, 3355 desc->half_liner ? desc->half_liner : ""); 3356 } 3357 3358 exit(0); 3359 } 3360 3361 static int add_dlarg(const struct option *opt __maybe_unused, 3362 const char *s, int unset __maybe_unused) 3363 { 3364 char *arg = strdup(s); 3365 void *a; 3366 3367 if (!arg) 3368 return -1; 3369 3370 a = realloc(dlargv, sizeof(dlargv[0]) * (dlargc + 1)); 3371 if (!a) { 3372 free(arg); 3373 return -1; 3374 } 3375 3376 dlargv = a; 3377 dlargv[dlargc++] = arg; 3378 3379 return 0; 3380 } 3381 3382 static void free_dlarg(void) 3383 { 3384 while (dlargc--) 3385 free(dlargv[dlargc]); 3386 free(dlargv); 3387 } 3388 3389 /* 3390 * Some scripts specify the required events in their "xxx-record" file, 3391 * this function will check if the events in perf.data match those 3392 * mentioned in the "xxx-record". 3393 * 3394 * Fixme: All existing "xxx-record" are all in good formats "-e event ", 3395 * which is covered well now. And new parsing code should be added to 3396 * cover the future complex formats like event groups etc. 3397 */ 3398 static int check_ev_match(char *dir_name, char *scriptname, 3399 struct perf_session *session) 3400 { 3401 char filename[MAXPATHLEN], evname[128]; 3402 char line[BUFSIZ], *p; 3403 struct evsel *pos; 3404 int match, len; 3405 FILE *fp; 3406 3407 scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname); 3408 3409 fp = fopen(filename, "r"); 3410 if (!fp) 3411 return -1; 3412 3413 while (fgets(line, sizeof(line), fp)) { 3414 p = skip_spaces(line); 3415 if (*p == '#') 3416 continue; 3417 3418 while (strlen(p)) { 3419 p = strstr(p, "-e"); 3420 if (!p) 3421 break; 3422 3423 p += 2; 3424 p = skip_spaces(p); 3425 len = strcspn(p, " \t"); 3426 if (!len) 3427 break; 3428 3429 snprintf(evname, len + 1, "%s", p); 3430 3431 match = 0; 3432 evlist__for_each_entry(session->evlist, pos) { 3433 if (!strcmp(evsel__name(pos), evname)) { 3434 match = 1; 3435 break; 3436 } 3437 } 3438 3439 if (!match) { 3440 fclose(fp); 3441 return -1; 3442 } 3443 } 3444 } 3445 3446 fclose(fp); 3447 return 0; 3448 } 3449 3450 /* 3451 * Return -1 if none is found, otherwise the actual scripts number. 3452 * 3453 * Currently the only user of this function is the script browser, which 3454 * will list all statically runnable scripts, select one, execute it and 3455 * show the output in a perf browser. 3456 */ 3457 int find_scripts(char **scripts_array, char **scripts_path_array, int num, 3458 int pathlen) 3459 { 3460 struct dirent *script_dirent, *lang_dirent; 3461 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; 3462 DIR *scripts_dir, *lang_dir; 3463 struct perf_session *session; 3464 struct perf_data data = { 3465 .path = input_name, 3466 .mode = PERF_DATA_MODE_READ, 3467 }; 3468 char *temp; 3469 int i = 0; 3470 3471 session = perf_session__new(&data, NULL); 3472 if (IS_ERR(session)) 3473 return PTR_ERR(session); 3474 3475 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3476 3477 scripts_dir = opendir(scripts_path); 3478 if (!scripts_dir) { 3479 perf_session__delete(session); 3480 return -1; 3481 } 3482 3483 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3484 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, 3485 lang_dirent->d_name); 3486 #ifndef HAVE_LIBPERL_SUPPORT 3487 if (strstr(lang_path, "perl")) 3488 continue; 3489 #endif 3490 #ifndef HAVE_LIBPYTHON_SUPPORT 3491 if (strstr(lang_path, "python")) 3492 continue; 3493 #endif 3494 3495 lang_dir = opendir(lang_path); 3496 if (!lang_dir) 3497 continue; 3498 3499 for_each_script(lang_path, lang_dir, script_dirent) { 3500 /* Skip those real time scripts: xxxtop.p[yl] */ 3501 if (strstr(script_dirent->d_name, "top.")) 3502 continue; 3503 if (i >= num) 3504 break; 3505 snprintf(scripts_path_array[i], pathlen, "%s/%s", 3506 lang_path, 3507 script_dirent->d_name); 3508 temp = strchr(script_dirent->d_name, '.'); 3509 snprintf(scripts_array[i], 3510 (temp - script_dirent->d_name) + 1, 3511 "%s", script_dirent->d_name); 3512 3513 if (check_ev_match(lang_path, 3514 scripts_array[i], session)) 3515 continue; 3516 3517 i++; 3518 } 3519 closedir(lang_dir); 3520 } 3521 3522 closedir(scripts_dir); 3523 perf_session__delete(session); 3524 return i; 3525 } 3526 3527 static char *get_script_path(const char *script_root, const char *suffix) 3528 { 3529 struct dirent *script_dirent, *lang_dirent; 3530 char scripts_path[MAXPATHLEN]; 3531 char script_path[MAXPATHLEN]; 3532 DIR *scripts_dir, *lang_dir; 3533 char lang_path[MAXPATHLEN]; 3534 char *__script_root; 3535 3536 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3537 3538 scripts_dir = opendir(scripts_path); 3539 if (!scripts_dir) 3540 return NULL; 3541 3542 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3543 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3544 lang_dirent->d_name); 3545 lang_dir = opendir(lang_path); 3546 if (!lang_dir) 3547 continue; 3548 3549 for_each_script(lang_path, lang_dir, script_dirent) { 3550 __script_root = get_script_root(script_dirent, suffix); 3551 if (__script_root && !strcmp(script_root, __script_root)) { 3552 free(__script_root); 3553 closedir(scripts_dir); 3554 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3555 lang_path, script_dirent->d_name); 3556 closedir(lang_dir); 3557 return strdup(script_path); 3558 } 3559 free(__script_root); 3560 } 3561 closedir(lang_dir); 3562 } 3563 closedir(scripts_dir); 3564 3565 return NULL; 3566 } 3567 3568 static bool is_top_script(const char *script_path) 3569 { 3570 return ends_with(script_path, "top") != NULL; 3571 } 3572 3573 static int has_required_arg(char *script_path) 3574 { 3575 struct script_desc *desc; 3576 int n_args = 0; 3577 char *p; 3578 3579 desc = script_desc__new(NULL); 3580 3581 if (read_script_info(desc, script_path)) 3582 goto out; 3583 3584 if (!desc->args) 3585 goto out; 3586 3587 for (p = desc->args; *p; p++) 3588 if (*p == '<') 3589 n_args++; 3590 out: 3591 script_desc__delete(desc); 3592 3593 return n_args; 3594 } 3595 3596 static int have_cmd(int argc, const char **argv) 3597 { 3598 char **__argv = malloc(sizeof(const char *) * argc); 3599 3600 if (!__argv) { 3601 pr_err("malloc failed\n"); 3602 return -1; 3603 } 3604 3605 memcpy(__argv, argv, sizeof(const char *) * argc); 3606 argc = parse_options(argc, (const char **)__argv, record_options, 3607 NULL, PARSE_OPT_STOP_AT_NON_OPTION); 3608 free(__argv); 3609 3610 system_wide = (argc == 0); 3611 3612 return 0; 3613 } 3614 3615 static void script__setup_sample_type(struct perf_script *script) 3616 { 3617 struct perf_session *session = script->session; 3618 u64 sample_type = evlist__combined_sample_type(session->evlist); 3619 3620 callchain_param_setup(sample_type, perf_env__arch(session->machines.host.env)); 3621 3622 if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) { 3623 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n" 3624 "Please apply --call-graph lbr when recording.\n"); 3625 script->stitch_lbr = false; 3626 } 3627 } 3628 3629 static int process_stat_round_event(struct perf_session *session, 3630 union perf_event *event) 3631 { 3632 struct perf_record_stat_round *round = &event->stat_round; 3633 struct evsel *counter; 3634 3635 evlist__for_each_entry(session->evlist, counter) { 3636 perf_stat_process_counter(&stat_config, counter); 3637 process_stat(counter, round->time); 3638 } 3639 3640 process_stat_interval(round->time); 3641 return 0; 3642 } 3643 3644 static int process_stat_config_event(struct perf_session *session __maybe_unused, 3645 union perf_event *event) 3646 { 3647 perf_event__read_stat_config(&stat_config, &event->stat_config); 3648 return 0; 3649 } 3650 3651 static int set_maps(struct perf_script *script) 3652 { 3653 struct evlist *evlist = script->session->evlist; 3654 3655 if (!script->cpus || !script->threads) 3656 return 0; 3657 3658 if (WARN_ONCE(script->allocated, "stats double allocation\n")) 3659 return -EINVAL; 3660 3661 perf_evlist__set_maps(&evlist->core, script->cpus, script->threads); 3662 3663 if (evlist__alloc_stats(&stat_config, evlist, /*alloc_raw=*/true)) 3664 return -ENOMEM; 3665 3666 script->allocated = true; 3667 return 0; 3668 } 3669 3670 static 3671 int process_thread_map_event(struct perf_session *session, 3672 union perf_event *event) 3673 { 3674 struct perf_tool *tool = session->tool; 3675 struct perf_script *script = container_of(tool, struct perf_script, tool); 3676 3677 if (dump_trace) 3678 perf_event__fprintf_thread_map(event, stdout); 3679 3680 if (script->threads) { 3681 pr_warning("Extra thread map event, ignoring.\n"); 3682 return 0; 3683 } 3684 3685 script->threads = thread_map__new_event(&event->thread_map); 3686 if (!script->threads) 3687 return -ENOMEM; 3688 3689 return set_maps(script); 3690 } 3691 3692 static 3693 int process_cpu_map_event(struct perf_session *session, 3694 union perf_event *event) 3695 { 3696 struct perf_tool *tool = session->tool; 3697 struct perf_script *script = container_of(tool, struct perf_script, tool); 3698 3699 if (dump_trace) 3700 perf_event__fprintf_cpu_map(event, stdout); 3701 3702 if (script->cpus) { 3703 pr_warning("Extra cpu map event, ignoring.\n"); 3704 return 0; 3705 } 3706 3707 script->cpus = cpu_map__new_data(&event->cpu_map.data); 3708 if (!script->cpus) 3709 return -ENOMEM; 3710 3711 return set_maps(script); 3712 } 3713 3714 static int process_feature_event(struct perf_session *session, 3715 union perf_event *event) 3716 { 3717 if (event->feat.feat_id < HEADER_LAST_FEATURE) 3718 return perf_event__process_feature(session, event); 3719 return 0; 3720 } 3721 3722 #ifdef HAVE_AUXTRACE_SUPPORT 3723 static int perf_script__process_auxtrace_info(struct perf_session *session, 3724 union perf_event *event) 3725 { 3726 struct perf_tool *tool = session->tool; 3727 3728 int ret = perf_event__process_auxtrace_info(session, event); 3729 3730 if (ret == 0) { 3731 struct perf_script *script = container_of(tool, struct perf_script, tool); 3732 3733 ret = perf_script__setup_per_event_dump(script); 3734 } 3735 3736 return ret; 3737 } 3738 #else 3739 #define perf_script__process_auxtrace_info 0 3740 #endif 3741 3742 static int parse_insn_trace(const struct option *opt __maybe_unused, 3743 const char *str __maybe_unused, 3744 int unset __maybe_unused) 3745 { 3746 parse_output_fields(NULL, "+insn,-event,-period", 0); 3747 itrace_parse_synth_opts(opt, "i0ns", 0); 3748 symbol_conf.nanosecs = true; 3749 return 0; 3750 } 3751 3752 static int parse_xed(const struct option *opt __maybe_unused, 3753 const char *str __maybe_unused, 3754 int unset __maybe_unused) 3755 { 3756 if (isatty(1)) 3757 force_pager("xed -F insn: -A -64 | less"); 3758 else 3759 force_pager("xed -F insn: -A -64"); 3760 return 0; 3761 } 3762 3763 static int parse_call_trace(const struct option *opt __maybe_unused, 3764 const char *str __maybe_unused, 3765 int unset __maybe_unused) 3766 { 3767 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0); 3768 itrace_parse_synth_opts(opt, "cewp", 0); 3769 symbol_conf.nanosecs = true; 3770 symbol_conf.pad_output_len_dso = 50; 3771 return 0; 3772 } 3773 3774 static int parse_callret_trace(const struct option *opt __maybe_unused, 3775 const char *str __maybe_unused, 3776 int unset __maybe_unused) 3777 { 3778 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0); 3779 itrace_parse_synth_opts(opt, "crewp", 0); 3780 symbol_conf.nanosecs = true; 3781 return 0; 3782 } 3783 3784 int cmd_script(int argc, const char **argv) 3785 { 3786 bool show_full_info = false; 3787 bool header = false; 3788 bool header_only = false; 3789 bool script_started = false; 3790 bool unsorted_dump = false; 3791 char *rec_script_path = NULL; 3792 char *rep_script_path = NULL; 3793 struct perf_session *session; 3794 struct itrace_synth_opts itrace_synth_opts = { 3795 .set = false, 3796 .default_no_sample = true, 3797 }; 3798 struct utsname uts; 3799 char *script_path = NULL; 3800 const char *dlfilter_file = NULL; 3801 const char **__argv; 3802 int i, j, err = 0; 3803 struct perf_script script = { 3804 .tool = { 3805 .sample = process_sample_event, 3806 .mmap = perf_event__process_mmap, 3807 .mmap2 = perf_event__process_mmap2, 3808 .comm = perf_event__process_comm, 3809 .namespaces = perf_event__process_namespaces, 3810 .cgroup = perf_event__process_cgroup, 3811 .exit = perf_event__process_exit, 3812 .fork = perf_event__process_fork, 3813 .attr = process_attr, 3814 .event_update = perf_event__process_event_update, 3815 #ifdef HAVE_LIBTRACEEVENT 3816 .tracing_data = perf_event__process_tracing_data, 3817 #endif 3818 .feature = process_feature_event, 3819 .build_id = perf_event__process_build_id, 3820 .id_index = perf_event__process_id_index, 3821 .auxtrace_info = perf_script__process_auxtrace_info, 3822 .auxtrace = perf_event__process_auxtrace, 3823 .auxtrace_error = perf_event__process_auxtrace_error, 3824 .stat = perf_event__process_stat_event, 3825 .stat_round = process_stat_round_event, 3826 .stat_config = process_stat_config_event, 3827 .thread_map = process_thread_map_event, 3828 .cpu_map = process_cpu_map_event, 3829 .throttle = process_throttle_event, 3830 .unthrottle = process_throttle_event, 3831 .ordered_events = true, 3832 .ordering_requires_timestamps = true, 3833 }, 3834 }; 3835 struct perf_data data = { 3836 .mode = PERF_DATA_MODE_READ, 3837 }; 3838 const struct option options[] = { 3839 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 3840 "dump raw trace in ASCII"), 3841 OPT_BOOLEAN(0, "dump-unsorted-raw-trace", &unsorted_dump, 3842 "dump unsorted raw trace in ASCII"), 3843 OPT_INCR('v', "verbose", &verbose, 3844 "be more verbose (show symbol address, etc)"), 3845 OPT_BOOLEAN('L', "Latency", &latency_format, 3846 "show latency attributes (irqs/preemption disabled, etc)"), 3847 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", 3848 list_available_scripts), 3849 OPT_CALLBACK_NOOPT(0, "list-dlfilters", NULL, NULL, "list available dlfilters", 3850 list_available_dlfilters), 3851 OPT_CALLBACK('s', "script", NULL, "name", 3852 "script file name (lang:script name, script name, or *)", 3853 parse_scriptname), 3854 OPT_STRING('g', "gen-script", &generate_script_lang, "lang", 3855 "generate perf-script.xx script in specified language"), 3856 OPT_STRING(0, "dlfilter", &dlfilter_file, "file", "filter .so file name"), 3857 OPT_CALLBACK(0, "dlarg", NULL, "argument", "filter argument", 3858 add_dlarg), 3859 OPT_STRING('i', "input", &input_name, "file", "input file name"), 3860 OPT_BOOLEAN('d', "debug-mode", &debug_mode, 3861 "do various checks like samples ordering and lost events"), 3862 OPT_BOOLEAN(0, "header", &header, "Show data header."), 3863 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."), 3864 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 3865 "file", "vmlinux pathname"), 3866 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 3867 "file", "kallsyms pathname"), 3868 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, 3869 "When printing symbols do not display call chain"), 3870 OPT_CALLBACK(0, "symfs", NULL, "directory", 3871 "Look for files with symbols relative to this directory", 3872 symbol__config_symfs), 3873 OPT_CALLBACK('F', "fields", NULL, "str", 3874 "comma separated output fields prepend with 'type:'. " 3875 "+field to add and -field to remove." 3876 "Valid types: hw,sw,trace,raw,synth. " 3877 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso," 3878 "addr,symoff,srcline,period,iregs,uregs,brstack," 3879 "brstacksym,flags,data_src,weight,bpf-output,brstackinsn," 3880 "brstackinsnlen,brstackoff,callindent,insn,insnlen,synth," 3881 "phys_addr,metric,misc,srccode,ipc,tod,data_page_size," 3882 "code_page_size,ins_lat,machine_pid,vcpu,cgroup,retire_lat", 3883 parse_output_fields), 3884 OPT_BOOLEAN('a', "all-cpus", &system_wide, 3885 "system-wide collection from all CPUs"), 3886 OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", 3887 "only consider symbols in these DSOs"), 3888 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 3889 "only consider these symbols"), 3890 OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range, 3891 "Use with -S to list traced records within address range"), 3892 OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL, 3893 "Decode instructions from itrace", parse_insn_trace), 3894 OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL, 3895 "Run xed disassembler on output", parse_xed), 3896 OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL, 3897 "Decode calls from itrace", parse_call_trace), 3898 OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL, 3899 "Decode calls and returns from itrace", parse_callret_trace), 3900 OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]", 3901 "Only print symbols and callees with --call-trace/--call-ret-trace"), 3902 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]", 3903 "Stop display of callgraph at these symbols"), 3904 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), 3905 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 3906 "only display events for these comms"), 3907 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 3908 "only consider symbols in these pids"), 3909 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 3910 "only consider symbols in these tids"), 3911 OPT_UINTEGER(0, "max-stack", &scripting_max_stack, 3912 "Set the maximum stack depth when parsing the callchain, " 3913 "anything beyond the specified depth will be ignored. " 3914 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 3915 OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"), 3916 OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"), 3917 OPT_BOOLEAN('I', "show-info", &show_full_info, 3918 "display extended information from perf.data file"), 3919 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, 3920 "Show the path of [kernel.kallsyms]"), 3921 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, 3922 "Show the fork/comm/exit events"), 3923 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, 3924 "Show the mmap events"), 3925 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events, 3926 "Show context switch events (if recorded)"), 3927 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events, 3928 "Show namespace events (if recorded)"), 3929 OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events, 3930 "Show cgroup events (if recorded)"), 3931 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events, 3932 "Show lost events (if recorded)"), 3933 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events, 3934 "Show round events (if recorded)"), 3935 OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events, 3936 "Show bpf related events (if recorded)"), 3937 OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events, 3938 "Show text poke related events (if recorded)"), 3939 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump, 3940 "Dump trace output to files named by the monitored events"), 3941 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 3942 OPT_INTEGER(0, "max-blocks", &max_blocks, 3943 "Maximum number of code blocks to dump with brstackinsn"), 3944 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, 3945 "Use 9 decimal places when displaying time"), 3946 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 3947 "Instruction Tracing options\n" ITRACE_HELP, 3948 itrace_parse_synth_opts), 3949 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 3950 "Show full source file name path for source lines"), 3951 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 3952 "Enable symbol demangling"), 3953 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 3954 "Enable kernel symbol demangling"), 3955 OPT_STRING(0, "time", &script.time_str, "str", 3956 "Time span of interest (start,stop)"), 3957 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 3958 "Show inline function"), 3959 OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory", 3960 "guest mount directory under which every guest os" 3961 " instance has a subdir"), 3962 OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name, 3963 "file", "file saving guest os vmlinux"), 3964 OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms, 3965 "file", "file saving guest os /proc/kallsyms"), 3966 OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules, 3967 "file", "file saving guest os /proc/modules"), 3968 OPT_BOOLEAN(0, "guest-code", &symbol_conf.guest_code, 3969 "Guest code can be found in hypervisor process"), 3970 OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr, 3971 "Enable LBR callgraph stitching approach"), 3972 OPTS_EVSWITCH(&script.evswitch), 3973 OPT_END() 3974 }; 3975 const char * const script_subcommands[] = { "record", "report", NULL }; 3976 const char *script_usage[] = { 3977 "perf script [<options>]", 3978 "perf script [<options>] record <script> [<record-options>] <command>", 3979 "perf script [<options>] report <script> [script-args]", 3980 "perf script [<options>] <script> [<record-options>] <command>", 3981 "perf script [<options>] <top-script> [script-args]", 3982 NULL 3983 }; 3984 3985 perf_set_singlethreaded(); 3986 3987 setup_scripting(); 3988 3989 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage, 3990 PARSE_OPT_STOP_AT_NON_OPTION); 3991 3992 if (symbol_conf.guestmount || 3993 symbol_conf.default_guest_vmlinux_name || 3994 symbol_conf.default_guest_kallsyms || 3995 symbol_conf.default_guest_modules || 3996 symbol_conf.guest_code) { 3997 /* 3998 * Enable guest sample processing. 3999 */ 4000 perf_guest = true; 4001 } 4002 4003 data.path = input_name; 4004 data.force = symbol_conf.force; 4005 4006 if (unsorted_dump) { 4007 dump_trace = true; 4008 script.tool.ordered_events = false; 4009 } 4010 4011 if (symbol__validate_sym_arguments()) 4012 return -1; 4013 4014 if (argc > 1 && strlen(argv[0]) > 2 && strstarts("record", argv[0])) { 4015 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); 4016 if (!rec_script_path) 4017 return cmd_record(argc, argv); 4018 } 4019 4020 if (argc > 1 && strlen(argv[0]) > 2 && strstarts("report", argv[0])) { 4021 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); 4022 if (!rep_script_path) { 4023 fprintf(stderr, 4024 "Please specify a valid report script" 4025 "(see 'perf script -l' for listing)\n"); 4026 return -1; 4027 } 4028 } 4029 4030 if (reltime && deltatime) { 4031 fprintf(stderr, 4032 "reltime and deltatime - the two don't get along well. " 4033 "Please limit to --reltime or --deltatime.\n"); 4034 return -1; 4035 } 4036 4037 if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) && 4038 itrace_synth_opts.callchain_sz > scripting_max_stack) 4039 scripting_max_stack = itrace_synth_opts.callchain_sz; 4040 4041 /* make sure PERF_EXEC_PATH is set for scripts */ 4042 set_argv_exec_path(get_argv_exec_path()); 4043 4044 if (argc && !script_name && !rec_script_path && !rep_script_path) { 4045 int live_pipe[2]; 4046 int rep_args; 4047 pid_t pid; 4048 4049 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); 4050 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); 4051 4052 if (!rec_script_path && !rep_script_path) { 4053 script_name = find_script(argv[0]); 4054 if (script_name) { 4055 argc -= 1; 4056 argv += 1; 4057 goto script_found; 4058 } 4059 usage_with_options_msg(script_usage, options, 4060 "Couldn't find script `%s'\n\n See perf" 4061 " script -l for available scripts.\n", argv[0]); 4062 } 4063 4064 if (is_top_script(argv[0])) { 4065 rep_args = argc - 1; 4066 } else { 4067 int rec_args; 4068 4069 rep_args = has_required_arg(rep_script_path); 4070 rec_args = (argc - 1) - rep_args; 4071 if (rec_args < 0) { 4072 usage_with_options_msg(script_usage, options, 4073 "`%s' script requires options." 4074 "\n\n See perf script -l for available " 4075 "scripts and options.\n", argv[0]); 4076 } 4077 } 4078 4079 if (pipe(live_pipe) < 0) { 4080 perror("failed to create pipe"); 4081 return -1; 4082 } 4083 4084 pid = fork(); 4085 if (pid < 0) { 4086 perror("failed to fork"); 4087 return -1; 4088 } 4089 4090 if (!pid) { 4091 j = 0; 4092 4093 dup2(live_pipe[1], 1); 4094 close(live_pipe[0]); 4095 4096 if (is_top_script(argv[0])) { 4097 system_wide = true; 4098 } else if (!system_wide) { 4099 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { 4100 err = -1; 4101 goto out; 4102 } 4103 } 4104 4105 __argv = malloc((argc + 6) * sizeof(const char *)); 4106 if (!__argv) { 4107 pr_err("malloc failed\n"); 4108 err = -ENOMEM; 4109 goto out; 4110 } 4111 4112 __argv[j++] = "/bin/sh"; 4113 __argv[j++] = rec_script_path; 4114 if (system_wide) 4115 __argv[j++] = "-a"; 4116 __argv[j++] = "-q"; 4117 __argv[j++] = "-o"; 4118 __argv[j++] = "-"; 4119 for (i = rep_args + 1; i < argc; i++) 4120 __argv[j++] = argv[i]; 4121 __argv[j++] = NULL; 4122 4123 execvp("/bin/sh", (char **)__argv); 4124 free(__argv); 4125 exit(-1); 4126 } 4127 4128 dup2(live_pipe[0], 0); 4129 close(live_pipe[1]); 4130 4131 __argv = malloc((argc + 4) * sizeof(const char *)); 4132 if (!__argv) { 4133 pr_err("malloc failed\n"); 4134 err = -ENOMEM; 4135 goto out; 4136 } 4137 4138 j = 0; 4139 __argv[j++] = "/bin/sh"; 4140 __argv[j++] = rep_script_path; 4141 for (i = 1; i < rep_args + 1; i++) 4142 __argv[j++] = argv[i]; 4143 __argv[j++] = "-i"; 4144 __argv[j++] = "-"; 4145 __argv[j++] = NULL; 4146 4147 execvp("/bin/sh", (char **)__argv); 4148 free(__argv); 4149 exit(-1); 4150 } 4151 script_found: 4152 if (rec_script_path) 4153 script_path = rec_script_path; 4154 if (rep_script_path) 4155 script_path = rep_script_path; 4156 4157 if (script_path) { 4158 j = 0; 4159 4160 if (!rec_script_path) 4161 system_wide = false; 4162 else if (!system_wide) { 4163 if (have_cmd(argc - 1, &argv[1]) != 0) { 4164 err = -1; 4165 goto out; 4166 } 4167 } 4168 4169 __argv = malloc((argc + 2) * sizeof(const char *)); 4170 if (!__argv) { 4171 pr_err("malloc failed\n"); 4172 err = -ENOMEM; 4173 goto out; 4174 } 4175 4176 __argv[j++] = "/bin/sh"; 4177 __argv[j++] = script_path; 4178 if (system_wide) 4179 __argv[j++] = "-a"; 4180 for (i = 2; i < argc; i++) 4181 __argv[j++] = argv[i]; 4182 __argv[j++] = NULL; 4183 4184 execvp("/bin/sh", (char **)__argv); 4185 free(__argv); 4186 exit(-1); 4187 } 4188 4189 if (dlfilter_file) { 4190 dlfilter = dlfilter__new(dlfilter_file, dlargc, dlargv); 4191 if (!dlfilter) 4192 return -1; 4193 } 4194 4195 if (!script_name) { 4196 setup_pager(); 4197 use_browser = 0; 4198 } 4199 4200 session = perf_session__new(&data, &script.tool); 4201 if (IS_ERR(session)) 4202 return PTR_ERR(session); 4203 4204 if (header || header_only) { 4205 script.tool.show_feat_hdr = SHOW_FEAT_HEADER; 4206 perf_session__fprintf_info(session, stdout, show_full_info); 4207 if (header_only) 4208 goto out_delete; 4209 } 4210 if (show_full_info) 4211 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 4212 4213 if (symbol__init(&session->header.env) < 0) 4214 goto out_delete; 4215 4216 uname(&uts); 4217 if (data.is_pipe) { /* Assume pipe_mode indicates native_arch */ 4218 native_arch = true; 4219 } else if (session->header.env.arch) { 4220 if (!strcmp(uts.machine, session->header.env.arch)) 4221 native_arch = true; 4222 else if (!strcmp(uts.machine, "x86_64") && 4223 !strcmp(session->header.env.arch, "i386")) 4224 native_arch = true; 4225 } 4226 4227 script.session = session; 4228 script__setup_sample_type(&script); 4229 4230 if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) || 4231 symbol_conf.graph_function) 4232 itrace_synth_opts.thread_stack = true; 4233 4234 session->itrace_synth_opts = &itrace_synth_opts; 4235 4236 if (cpu_list) { 4237 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap); 4238 if (err < 0) 4239 goto out_delete; 4240 itrace_synth_opts.cpu_bitmap = cpu_bitmap; 4241 } 4242 4243 if (!no_callchain) 4244 symbol_conf.use_callchain = true; 4245 else 4246 symbol_conf.use_callchain = false; 4247 4248 #ifdef HAVE_LIBTRACEEVENT 4249 if (session->tevent.pevent && 4250 tep_set_function_resolver(session->tevent.pevent, 4251 machine__resolve_kernel_addr, 4252 &session->machines.host) < 0) { 4253 pr_err("%s: failed to set libtraceevent function resolver\n", __func__); 4254 err = -1; 4255 goto out_delete; 4256 } 4257 #endif 4258 if (generate_script_lang) { 4259 struct stat perf_stat; 4260 int input; 4261 4262 if (output_set_by_user()) { 4263 fprintf(stderr, 4264 "custom fields not supported for generated scripts"); 4265 err = -EINVAL; 4266 goto out_delete; 4267 } 4268 4269 input = open(data.path, O_RDONLY); /* input_name */ 4270 if (input < 0) { 4271 err = -errno; 4272 perror("failed to open file"); 4273 goto out_delete; 4274 } 4275 4276 err = fstat(input, &perf_stat); 4277 if (err < 0) { 4278 perror("failed to stat file"); 4279 goto out_delete; 4280 } 4281 4282 if (!perf_stat.st_size) { 4283 fprintf(stderr, "zero-sized file, nothing to do!\n"); 4284 goto out_delete; 4285 } 4286 4287 scripting_ops = script_spec__lookup(generate_script_lang); 4288 if (!scripting_ops) { 4289 fprintf(stderr, "invalid language specifier"); 4290 err = -ENOENT; 4291 goto out_delete; 4292 } 4293 #ifdef HAVE_LIBTRACEEVENT 4294 err = scripting_ops->generate_script(session->tevent.pevent, 4295 "perf-script"); 4296 #else 4297 err = scripting_ops->generate_script(NULL, "perf-script"); 4298 #endif 4299 goto out_delete; 4300 } 4301 4302 err = dlfilter__start(dlfilter, session); 4303 if (err) 4304 goto out_delete; 4305 4306 if (script_name) { 4307 err = scripting_ops->start_script(script_name, argc, argv, session); 4308 if (err) 4309 goto out_delete; 4310 pr_debug("perf script started with script %s\n\n", script_name); 4311 script_started = true; 4312 } 4313 4314 4315 err = perf_session__check_output_opt(session); 4316 if (err < 0) 4317 goto out_delete; 4318 4319 if (script.time_str) { 4320 err = perf_time__parse_for_ranges_reltime(script.time_str, session, 4321 &script.ptime_range, 4322 &script.range_size, 4323 &script.range_num, 4324 reltime); 4325 if (err < 0) 4326 goto out_delete; 4327 4328 itrace_synth_opts__set_time_range(&itrace_synth_opts, 4329 script.ptime_range, 4330 script.range_num); 4331 } 4332 4333 err = evswitch__init(&script.evswitch, session->evlist, stderr); 4334 if (err) 4335 goto out_delete; 4336 4337 if (zstd_init(&(session->zstd_data), 0) < 0) 4338 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n"); 4339 4340 err = __cmd_script(&script); 4341 4342 flush_scripting(); 4343 4344 out_delete: 4345 if (script.ptime_range) { 4346 itrace_synth_opts__clear_time_range(&itrace_synth_opts); 4347 zfree(&script.ptime_range); 4348 } 4349 4350 zstd_fini(&(session->zstd_data)); 4351 evlist__free_stats(session->evlist); 4352 perf_session__delete(session); 4353 perf_script__exit(&script); 4354 4355 if (script_started) 4356 cleanup_scripting(); 4357 dlfilter__cleanup(dlfilter); 4358 free_dlarg(); 4359 out: 4360 return err; 4361 } 4362