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 !map__dso(alf.map)->adjust_symbols) 1015 from = map__map_ip(alf.map, from); 1016 1017 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) && 1018 !map__dso(alt.map)->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 struct dso *dso; 1048 1049 if (!start || !end) 1050 return 0; 1051 1052 kernel = machine__kernel_ip(machine, start); 1053 if (kernel) 1054 *cpumode = PERF_RECORD_MISC_KERNEL; 1055 else 1056 *cpumode = PERF_RECORD_MISC_USER; 1057 1058 /* 1059 * Block overlaps between kernel and user. 1060 * This can happen due to ring filtering 1061 * On Intel CPUs the entry into the kernel is filtered, 1062 * but the exit is not. Let the caller patch it up. 1063 */ 1064 if (kernel != machine__kernel_ip(machine, end)) { 1065 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end); 1066 return -ENXIO; 1067 } 1068 1069 memset(&al, 0, sizeof(al)); 1070 if (end - start > MAXBB - MAXINSN) { 1071 if (last) 1072 pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end); 1073 else 1074 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start); 1075 return 0; 1076 } 1077 1078 dso = map__dso(al.map); 1079 if (!thread__find_map(thread, *cpumode, start, &al) || !dso) { 1080 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 1081 return 0; 1082 } 1083 if (dso->data.status == DSO_DATA_STATUS_ERROR) { 1084 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 1085 return 0; 1086 } 1087 1088 /* Load maps to ensure dso->is_64_bit has been updated */ 1089 map__load(al.map); 1090 1091 offset = al.map->map_ip(al.map, start); 1092 len = dso__data_read_offset(dso, machine, offset, (u8 *)buffer, 1093 end - start + MAXINSN); 1094 1095 *is64bit = dso->is_64_bit; 1096 if (len <= 0) 1097 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n", 1098 start, end); 1099 return len; 1100 } 1101 1102 static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state) 1103 { 1104 char *srcfile; 1105 int ret = 0; 1106 unsigned line; 1107 int len; 1108 char *srccode; 1109 struct dso *dso = map__dso(map); 1110 1111 if (!map || !dso) 1112 return 0; 1113 srcfile = get_srcline_split(dso, 1114 map__rip_2objdump(map, addr), 1115 &line); 1116 if (!srcfile) 1117 return 0; 1118 1119 /* Avoid redundant printing */ 1120 if (state && 1121 state->srcfile && 1122 !strcmp(state->srcfile, srcfile) && 1123 state->line == line) { 1124 free(srcfile); 1125 return 0; 1126 } 1127 1128 srccode = find_sourceline(srcfile, line, &len); 1129 if (!srccode) 1130 goto out_free_line; 1131 1132 ret = fprintf(fp, "|%-8d %.*s", line, len, srccode); 1133 1134 if (state) { 1135 state->srcfile = srcfile; 1136 state->line = line; 1137 } 1138 return ret; 1139 1140 out_free_line: 1141 free(srcfile); 1142 return ret; 1143 } 1144 1145 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr) 1146 { 1147 struct addr_location al; 1148 int ret = 0; 1149 1150 memset(&al, 0, sizeof(al)); 1151 thread__find_map(thread, cpumode, addr, &al); 1152 if (!al.map) 1153 return 0; 1154 ret = map__fprintf_srccode(al.map, al.addr, stdout, 1155 &thread->srccode_state); 1156 if (ret) 1157 ret += printf("\n"); 1158 return ret; 1159 } 1160 1161 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en, 1162 struct perf_insn *x, u8 *inbuf, int len, 1163 int insn, FILE *fp, int *total_cycles, 1164 struct perf_event_attr *attr) 1165 { 1166 int ilen = 0; 1167 int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t", ip, 1168 dump_insn(x, ip, inbuf, len, &ilen)); 1169 1170 if (PRINT_FIELD(BRSTACKINSNLEN)) 1171 printed += fprintf(fp, "ilen: %d\t", ilen); 1172 1173 printed += fprintf(fp, "#%s%s%s%s", 1174 en->flags.predicted ? " PRED" : "", 1175 en->flags.mispred ? " MISPRED" : "", 1176 en->flags.in_tx ? " INTX" : "", 1177 en->flags.abort ? " ABORT" : ""); 1178 if (en->flags.cycles) { 1179 *total_cycles += en->flags.cycles; 1180 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles); 1181 if (insn) 1182 printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles); 1183 } 1184 return printed + fprintf(fp, "\n"); 1185 } 1186 1187 static int ip__fprintf_sym(uint64_t addr, struct thread *thread, 1188 u8 cpumode, int cpu, struct symbol **lastsym, 1189 struct perf_event_attr *attr, FILE *fp) 1190 { 1191 struct addr_location al; 1192 int off, printed = 0; 1193 1194 memset(&al, 0, sizeof(al)); 1195 1196 thread__find_map(thread, cpumode, addr, &al); 1197 1198 if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end) 1199 return 0; 1200 1201 al.cpu = cpu; 1202 al.sym = NULL; 1203 if (al.map) 1204 al.sym = map__find_symbol(al.map, al.addr); 1205 1206 if (!al.sym) 1207 return 0; 1208 1209 if (al.addr < al.sym->end) 1210 off = al.addr - al.sym->start; 1211 else 1212 off = al.addr - map__start(al.map) - al.sym->start; 1213 printed += fprintf(fp, "\t%s", al.sym->name); 1214 if (off) 1215 printed += fprintf(fp, "%+d", off); 1216 printed += fprintf(fp, ":"); 1217 if (PRINT_FIELD(SRCLINE)) 1218 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp); 1219 printed += fprintf(fp, "\n"); 1220 *lastsym = al.sym; 1221 1222 return printed; 1223 } 1224 1225 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample, 1226 struct thread *thread, 1227 struct perf_event_attr *attr, 1228 struct machine *machine, FILE *fp) 1229 { 1230 struct branch_stack *br = sample->branch_stack; 1231 struct branch_entry *entries = perf_sample__branch_entries(sample); 1232 u64 start, end; 1233 int i, insn, len, nr, ilen, printed = 0; 1234 struct perf_insn x; 1235 u8 buffer[MAXBB]; 1236 unsigned off; 1237 struct symbol *lastsym = NULL; 1238 int total_cycles = 0; 1239 1240 if (!(br && br->nr)) 1241 return 0; 1242 nr = br->nr; 1243 if (max_blocks && nr > max_blocks + 1) 1244 nr = max_blocks + 1; 1245 1246 x.thread = thread; 1247 x.cpu = sample->cpu; 1248 1249 printed += fprintf(fp, "%c", '\n'); 1250 1251 /* Handle first from jump, of which we don't know the entry. */ 1252 len = grab_bb(buffer, entries[nr-1].from, 1253 entries[nr-1].from, 1254 machine, thread, &x.is64bit, &x.cpumode, false); 1255 if (len > 0) { 1256 printed += ip__fprintf_sym(entries[nr - 1].from, thread, 1257 x.cpumode, x.cpu, &lastsym, attr, fp); 1258 printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1], 1259 &x, buffer, len, 0, fp, &total_cycles, 1260 attr); 1261 if (PRINT_FIELD(SRCCODE)) 1262 printed += print_srccode(thread, x.cpumode, entries[nr - 1].from); 1263 } 1264 1265 /* Print all blocks */ 1266 for (i = nr - 2; i >= 0; i--) { 1267 if (entries[i].from || entries[i].to) 1268 pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i, 1269 entries[i].from, 1270 entries[i].to); 1271 start = entries[i + 1].to; 1272 end = entries[i].from; 1273 1274 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1275 /* Patch up missing kernel transfers due to ring filters */ 1276 if (len == -ENXIO && i > 0) { 1277 end = entries[--i].from; 1278 pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end); 1279 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1280 } 1281 if (len <= 0) 1282 continue; 1283 1284 insn = 0; 1285 for (off = 0; off < (unsigned)len; off += ilen) { 1286 uint64_t ip = start + off; 1287 1288 printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1289 if (ip == end) { 1290 printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp, 1291 &total_cycles, attr); 1292 if (PRINT_FIELD(SRCCODE)) 1293 printed += print_srccode(thread, x.cpumode, ip); 1294 break; 1295 } else { 1296 ilen = 0; 1297 printed += fprintf(fp, "\t%016" PRIx64 "\t%s", ip, 1298 dump_insn(&x, ip, buffer + off, len - off, &ilen)); 1299 if (PRINT_FIELD(BRSTACKINSNLEN)) 1300 printed += fprintf(fp, "\tilen: %d", ilen); 1301 printed += fprintf(fp, "\n"); 1302 if (ilen == 0) 1303 break; 1304 if (PRINT_FIELD(SRCCODE)) 1305 print_srccode(thread, x.cpumode, ip); 1306 insn++; 1307 } 1308 } 1309 if (off != end - start) 1310 printed += fprintf(fp, "\tmismatch of LBR data and executable\n"); 1311 } 1312 1313 /* 1314 * Hit the branch? In this case we are already done, and the target 1315 * has not been executed yet. 1316 */ 1317 if (entries[0].from == sample->ip) 1318 goto out; 1319 if (entries[0].flags.abort) 1320 goto out; 1321 1322 /* 1323 * Print final block up to sample 1324 * 1325 * Due to pipeline delays the LBRs might be missing a branch 1326 * or two, which can result in very large or negative blocks 1327 * between final branch and sample. When this happens just 1328 * continue walking after the last TO until we hit a branch. 1329 */ 1330 start = entries[0].to; 1331 end = sample->ip; 1332 if (end < start) { 1333 /* Missing jump. Scan 128 bytes for the next branch */ 1334 end = start + 128; 1335 } 1336 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true); 1337 printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1338 if (len <= 0) { 1339 /* Print at least last IP if basic block did not work */ 1340 len = grab_bb(buffer, sample->ip, sample->ip, 1341 machine, thread, &x.is64bit, &x.cpumode, false); 1342 if (len <= 0) 1343 goto out; 1344 ilen = 0; 1345 printed += fprintf(fp, "\t%016" PRIx64 "\t%s", sample->ip, 1346 dump_insn(&x, sample->ip, buffer, len, &ilen)); 1347 if (PRINT_FIELD(BRSTACKINSNLEN)) 1348 printed += fprintf(fp, "\tilen: %d", ilen); 1349 printed += fprintf(fp, "\n"); 1350 if (PRINT_FIELD(SRCCODE)) 1351 print_srccode(thread, x.cpumode, sample->ip); 1352 goto out; 1353 } 1354 for (off = 0; off <= end - start; off += ilen) { 1355 ilen = 0; 1356 printed += fprintf(fp, "\t%016" PRIx64 "\t%s", start + off, 1357 dump_insn(&x, start + off, buffer + off, len - off, &ilen)); 1358 if (PRINT_FIELD(BRSTACKINSNLEN)) 1359 printed += fprintf(fp, "\tilen: %d", ilen); 1360 printed += fprintf(fp, "\n"); 1361 if (ilen == 0) 1362 break; 1363 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) { 1364 /* 1365 * Hit a missing branch. Just stop. 1366 */ 1367 printed += fprintf(fp, "\t... not reaching sample ...\n"); 1368 break; 1369 } 1370 if (PRINT_FIELD(SRCCODE)) 1371 print_srccode(thread, x.cpumode, start + off); 1372 } 1373 out: 1374 return printed; 1375 } 1376 1377 static int perf_sample__fprintf_addr(struct perf_sample *sample, 1378 struct thread *thread, 1379 struct perf_event_attr *attr, FILE *fp) 1380 { 1381 struct addr_location al; 1382 int printed = fprintf(fp, "%16" PRIx64, sample->addr); 1383 1384 if (!sample_addr_correlates_sym(attr)) 1385 goto out; 1386 1387 thread__resolve(thread, &al, sample); 1388 1389 if (PRINT_FIELD(SYM)) { 1390 printed += fprintf(fp, " "); 1391 if (PRINT_FIELD(SYMOFFSET)) 1392 printed += symbol__fprintf_symname_offs(al.sym, &al, fp); 1393 else 1394 printed += symbol__fprintf_symname(al.sym, fp); 1395 } 1396 1397 if (PRINT_FIELD(DSO)) { 1398 printed += fprintf(fp, " ("); 1399 printed += map__fprintf_dsoname(al.map, fp); 1400 printed += fprintf(fp, ")"); 1401 } 1402 out: 1403 return printed; 1404 } 1405 1406 static const char *resolve_branch_sym(struct perf_sample *sample, 1407 struct evsel *evsel, 1408 struct thread *thread, 1409 struct addr_location *al, 1410 struct addr_location *addr_al, 1411 u64 *ip) 1412 { 1413 struct perf_event_attr *attr = &evsel->core.attr; 1414 const char *name = NULL; 1415 1416 if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) { 1417 if (sample_addr_correlates_sym(attr)) { 1418 if (!addr_al->thread) 1419 thread__resolve(thread, addr_al, sample); 1420 if (addr_al->sym) 1421 name = addr_al->sym->name; 1422 else 1423 *ip = sample->addr; 1424 } else { 1425 *ip = sample->addr; 1426 } 1427 } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) { 1428 if (al->sym) 1429 name = al->sym->name; 1430 else 1431 *ip = sample->ip; 1432 } 1433 return name; 1434 } 1435 1436 static int perf_sample__fprintf_callindent(struct perf_sample *sample, 1437 struct evsel *evsel, 1438 struct thread *thread, 1439 struct addr_location *al, 1440 struct addr_location *addr_al, 1441 FILE *fp) 1442 { 1443 struct perf_event_attr *attr = &evsel->core.attr; 1444 size_t depth = thread_stack__depth(thread, sample->cpu); 1445 const char *name = NULL; 1446 static int spacing; 1447 int len = 0; 1448 int dlen = 0; 1449 u64 ip = 0; 1450 1451 /* 1452 * The 'return' has already been popped off the stack so the depth has 1453 * to be adjusted to match the 'call'. 1454 */ 1455 if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN) 1456 depth += 1; 1457 1458 name = resolve_branch_sym(sample, evsel, thread, al, addr_al, &ip); 1459 1460 if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) { 1461 dlen += fprintf(fp, "("); 1462 dlen += map__fprintf_dsoname(al->map, fp); 1463 dlen += fprintf(fp, ")\t"); 1464 } 1465 1466 if (name) 1467 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name); 1468 else if (ip) 1469 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip); 1470 1471 if (len < 0) 1472 return len; 1473 1474 /* 1475 * Try to keep the output length from changing frequently so that the 1476 * output lines up more nicely. 1477 */ 1478 if (len > spacing || (len && len < spacing - 52)) 1479 spacing = round_up(len + 4, 32); 1480 1481 if (len < spacing) 1482 len += fprintf(fp, "%*s", spacing - len, ""); 1483 1484 return len + dlen; 1485 } 1486 1487 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused, 1488 struct thread *thread __maybe_unused, 1489 struct machine *machine __maybe_unused) 1490 { 1491 } 1492 1493 void script_fetch_insn(struct perf_sample *sample, struct thread *thread, 1494 struct machine *machine) 1495 { 1496 if (sample->insn_len == 0 && native_arch) 1497 arch_fetch_insn(sample, thread, machine); 1498 } 1499 1500 static int perf_sample__fprintf_insn(struct perf_sample *sample, 1501 struct perf_event_attr *attr, 1502 struct thread *thread, 1503 struct machine *machine, FILE *fp) 1504 { 1505 int printed = 0; 1506 1507 script_fetch_insn(sample, thread, machine); 1508 1509 if (PRINT_FIELD(INSNLEN)) 1510 printed += fprintf(fp, " ilen: %d", sample->insn_len); 1511 if (PRINT_FIELD(INSN) && sample->insn_len) { 1512 int i; 1513 1514 printed += fprintf(fp, " insn:"); 1515 for (i = 0; i < sample->insn_len; i++) 1516 printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]); 1517 } 1518 if (PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN)) 1519 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp); 1520 1521 return printed; 1522 } 1523 1524 static int perf_sample__fprintf_ipc(struct perf_sample *sample, 1525 struct perf_event_attr *attr, FILE *fp) 1526 { 1527 unsigned int ipc; 1528 1529 if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt) 1530 return 0; 1531 1532 ipc = (sample->insn_cnt * 100) / sample->cyc_cnt; 1533 1534 return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ", 1535 ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt); 1536 } 1537 1538 static int perf_sample__fprintf_bts(struct perf_sample *sample, 1539 struct evsel *evsel, 1540 struct thread *thread, 1541 struct addr_location *al, 1542 struct addr_location *addr_al, 1543 struct machine *machine, FILE *fp) 1544 { 1545 struct perf_event_attr *attr = &evsel->core.attr; 1546 unsigned int type = output_type(attr->type); 1547 bool print_srcline_last = false; 1548 int printed = 0; 1549 1550 if (PRINT_FIELD(CALLINDENT)) 1551 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, addr_al, fp); 1552 1553 /* print branch_from information */ 1554 if (PRINT_FIELD(IP)) { 1555 unsigned int print_opts = output[type].print_ip_opts; 1556 struct callchain_cursor *cursor = NULL; 1557 1558 if (symbol_conf.use_callchain && sample->callchain && 1559 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 1560 sample, NULL, NULL, scripting_max_stack) == 0) 1561 cursor = &callchain_cursor; 1562 1563 if (cursor == NULL) { 1564 printed += fprintf(fp, " "); 1565 if (print_opts & EVSEL__PRINT_SRCLINE) { 1566 print_srcline_last = true; 1567 print_opts &= ~EVSEL__PRINT_SRCLINE; 1568 } 1569 } else 1570 printed += fprintf(fp, "\n"); 1571 1572 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, 1573 symbol_conf.bt_stop_list, fp); 1574 } 1575 1576 /* print branch_to information */ 1577 if (PRINT_FIELD(ADDR) || 1578 ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 1579 !output[type].user_set)) { 1580 printed += fprintf(fp, " => "); 1581 printed += perf_sample__fprintf_addr(sample, thread, attr, fp); 1582 } 1583 1584 printed += perf_sample__fprintf_ipc(sample, attr, fp); 1585 1586 if (print_srcline_last) 1587 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp); 1588 1589 printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 1590 printed += fprintf(fp, "\n"); 1591 if (PRINT_FIELD(SRCCODE)) { 1592 int ret = map__fprintf_srccode(al->map, al->addr, stdout, 1593 &thread->srccode_state); 1594 if (ret) { 1595 printed += ret; 1596 printed += printf("\n"); 1597 } 1598 } 1599 return printed; 1600 } 1601 1602 static struct { 1603 u32 flags; 1604 const char *name; 1605 } sample_flags[] = { 1606 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"}, 1607 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"}, 1608 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"}, 1609 {PERF_IP_FLAG_BRANCH, "jmp"}, 1610 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"}, 1611 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"}, 1612 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"}, 1613 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"}, 1614 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"}, 1615 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"}, 1616 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"}, 1617 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"}, 1618 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"}, 1619 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMENTRY, "vmentry"}, 1620 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMEXIT, "vmexit"}, 1621 {0, NULL} 1622 }; 1623 1624 static const char *sample_flags_to_name(u32 flags) 1625 { 1626 int i; 1627 1628 for (i = 0; sample_flags[i].name ; i++) { 1629 if (sample_flags[i].flags == flags) 1630 return sample_flags[i].name; 1631 } 1632 1633 return NULL; 1634 } 1635 1636 int perf_sample__sprintf_flags(u32 flags, char *str, size_t sz) 1637 { 1638 u32 xf = PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_INTR_DISABLE | 1639 PERF_IP_FLAG_INTR_TOGGLE; 1640 const char *chars = PERF_IP_FLAG_CHARS; 1641 const size_t n = strlen(PERF_IP_FLAG_CHARS); 1642 const char *name = NULL; 1643 size_t i, pos = 0; 1644 char xs[16] = {0}; 1645 1646 if (flags & xf) 1647 snprintf(xs, sizeof(xs), "(%s%s%s)", 1648 flags & PERF_IP_FLAG_IN_TX ? "x" : "", 1649 flags & PERF_IP_FLAG_INTR_DISABLE ? "D" : "", 1650 flags & PERF_IP_FLAG_INTR_TOGGLE ? "t" : ""); 1651 1652 name = sample_flags_to_name(flags & ~xf); 1653 if (name) 1654 return snprintf(str, sz, "%-15s%6s", name, xs); 1655 1656 if (flags & PERF_IP_FLAG_TRACE_BEGIN) { 1657 name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_BEGIN)); 1658 if (name) 1659 return snprintf(str, sz, "tr strt %-7s%6s", name, xs); 1660 } 1661 1662 if (flags & PERF_IP_FLAG_TRACE_END) { 1663 name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_END)); 1664 if (name) 1665 return snprintf(str, sz, "tr end %-7s%6s", name, xs); 1666 } 1667 1668 for (i = 0; i < n; i++, flags >>= 1) { 1669 if ((flags & 1) && pos < sz) 1670 str[pos++] = chars[i]; 1671 } 1672 for (; i < 32; i++, flags >>= 1) { 1673 if ((flags & 1) && pos < sz) 1674 str[pos++] = '?'; 1675 } 1676 if (pos < sz) 1677 str[pos] = 0; 1678 1679 return pos; 1680 } 1681 1682 static int perf_sample__fprintf_flags(u32 flags, FILE *fp) 1683 { 1684 char str[SAMPLE_FLAGS_BUF_SIZE]; 1685 1686 perf_sample__sprintf_flags(flags, str, sizeof(str)); 1687 return fprintf(fp, " %-21s ", str); 1688 } 1689 1690 struct printer_data { 1691 int line_no; 1692 bool hit_nul; 1693 bool is_printable; 1694 }; 1695 1696 static int sample__fprintf_bpf_output(enum binary_printer_ops op, 1697 unsigned int val, 1698 void *extra, FILE *fp) 1699 { 1700 unsigned char ch = (unsigned char)val; 1701 struct printer_data *printer_data = extra; 1702 int printed = 0; 1703 1704 switch (op) { 1705 case BINARY_PRINT_DATA_BEGIN: 1706 printed += fprintf(fp, "\n"); 1707 break; 1708 case BINARY_PRINT_LINE_BEGIN: 1709 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" : 1710 " "); 1711 break; 1712 case BINARY_PRINT_ADDR: 1713 printed += fprintf(fp, " %04x:", val); 1714 break; 1715 case BINARY_PRINT_NUM_DATA: 1716 printed += fprintf(fp, " %02x", val); 1717 break; 1718 case BINARY_PRINT_NUM_PAD: 1719 printed += fprintf(fp, " "); 1720 break; 1721 case BINARY_PRINT_SEP: 1722 printed += fprintf(fp, " "); 1723 break; 1724 case BINARY_PRINT_CHAR_DATA: 1725 if (printer_data->hit_nul && ch) 1726 printer_data->is_printable = false; 1727 1728 if (!isprint(ch)) { 1729 printed += fprintf(fp, "%c", '.'); 1730 1731 if (!printer_data->is_printable) 1732 break; 1733 1734 if (ch == '\0') 1735 printer_data->hit_nul = true; 1736 else 1737 printer_data->is_printable = false; 1738 } else { 1739 printed += fprintf(fp, "%c", ch); 1740 } 1741 break; 1742 case BINARY_PRINT_CHAR_PAD: 1743 printed += fprintf(fp, " "); 1744 break; 1745 case BINARY_PRINT_LINE_END: 1746 printed += fprintf(fp, "\n"); 1747 printer_data->line_no++; 1748 break; 1749 case BINARY_PRINT_DATA_END: 1750 default: 1751 break; 1752 } 1753 1754 return printed; 1755 } 1756 1757 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp) 1758 { 1759 unsigned int nr_bytes = sample->raw_size; 1760 struct printer_data printer_data = {0, false, true}; 1761 int printed = binary__fprintf(sample->raw_data, nr_bytes, 8, 1762 sample__fprintf_bpf_output, &printer_data, fp); 1763 1764 if (printer_data.is_printable && printer_data.hit_nul) 1765 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data)); 1766 1767 return printed; 1768 } 1769 1770 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp) 1771 { 1772 if (len > 0 && len < spacing) 1773 return fprintf(fp, "%*s", spacing - len, ""); 1774 1775 return 0; 1776 } 1777 1778 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp) 1779 { 1780 return perf_sample__fprintf_spacing(len, 34, fp); 1781 } 1782 1783 /* If a value contains only printable ASCII characters padded with NULLs */ 1784 static bool ptw_is_prt(u64 val) 1785 { 1786 char c; 1787 u32 i; 1788 1789 for (i = 0; i < sizeof(val); i++) { 1790 c = ((char *)&val)[i]; 1791 if (!c) 1792 break; 1793 if (!isprint(c) || !isascii(c)) 1794 return false; 1795 } 1796 for (; i < sizeof(val); i++) { 1797 c = ((char *)&val)[i]; 1798 if (c) 1799 return false; 1800 } 1801 return true; 1802 } 1803 1804 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp) 1805 { 1806 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample); 1807 char str[sizeof(u64) + 1] = ""; 1808 int len; 1809 u64 val; 1810 1811 if (perf_sample__bad_synth_size(sample, *data)) 1812 return 0; 1813 1814 val = le64_to_cpu(data->payload); 1815 if (ptw_is_prt(val)) { 1816 memcpy(str, &val, sizeof(val)); 1817 str[sizeof(val)] = 0; 1818 } 1819 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " %s ", 1820 data->ip, val, str); 1821 return len + perf_sample__fprintf_pt_spacing(len, fp); 1822 } 1823 1824 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp) 1825 { 1826 struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample); 1827 int len; 1828 1829 if (perf_sample__bad_synth_size(sample, *data)) 1830 return 0; 1831 1832 len = fprintf(fp, " hints: %#x extensions: %#x ", 1833 data->hints, data->extensions); 1834 return len + perf_sample__fprintf_pt_spacing(len, fp); 1835 } 1836 1837 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp) 1838 { 1839 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample); 1840 int len; 1841 1842 if (perf_sample__bad_synth_size(sample, *data)) 1843 return 0; 1844 1845 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ", 1846 data->hw, data->cstate, data->subcstate); 1847 return len + perf_sample__fprintf_pt_spacing(len, fp); 1848 } 1849 1850 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp) 1851 { 1852 struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample); 1853 int len; 1854 1855 if (perf_sample__bad_synth_size(sample, *data)) 1856 return 0; 1857 1858 len = fprintf(fp, " IP: %u ", data->ip); 1859 return len + perf_sample__fprintf_pt_spacing(len, fp); 1860 } 1861 1862 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp) 1863 { 1864 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample); 1865 int len; 1866 1867 if (perf_sample__bad_synth_size(sample, *data)) 1868 return 0; 1869 1870 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ", 1871 data->deepest_cstate, data->last_cstate, 1872 data->wake_reason); 1873 return len + perf_sample__fprintf_pt_spacing(len, fp); 1874 } 1875 1876 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp) 1877 { 1878 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample); 1879 unsigned int percent, freq; 1880 int len; 1881 1882 if (perf_sample__bad_synth_size(sample, *data)) 1883 return 0; 1884 1885 freq = (le32_to_cpu(data->freq) + 500) / 1000; 1886 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq); 1887 if (data->max_nonturbo) { 1888 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10; 1889 len += fprintf(fp, "(%3u%%) ", percent); 1890 } 1891 return len + perf_sample__fprintf_pt_spacing(len, fp); 1892 } 1893 1894 static int perf_sample__fprintf_synth_psb(struct perf_sample *sample, FILE *fp) 1895 { 1896 struct perf_synth_intel_psb *data = perf_sample__synth_ptr(sample); 1897 int len; 1898 1899 if (perf_sample__bad_synth_size(sample, *data)) 1900 return 0; 1901 1902 len = fprintf(fp, " psb offs: %#" PRIx64, data->offset); 1903 return len + perf_sample__fprintf_pt_spacing(len, fp); 1904 } 1905 1906 /* Intel PT Event Trace */ 1907 static int perf_sample__fprintf_synth_evt(struct perf_sample *sample, FILE *fp) 1908 { 1909 struct perf_synth_intel_evt *data = perf_sample__synth_ptr(sample); 1910 const char *cfe[32] = {NULL, "INTR", "IRET", "SMI", "RSM", "SIPI", 1911 "INIT", "VMENTRY", "VMEXIT", "VMEXIT_INTR", 1912 "SHUTDOWN", NULL, "UINTR", "UIRET"}; 1913 const char *evd[64] = {"PFA", "VMXQ", "VMXR"}; 1914 const char *s; 1915 int len, i; 1916 1917 if (perf_sample__bad_synth_size(sample, *data)) 1918 return 0; 1919 1920 s = cfe[data->type]; 1921 if (s) { 1922 len = fprintf(fp, " cfe: %s IP: %d vector: %u", 1923 s, data->ip, data->vector); 1924 } else { 1925 len = fprintf(fp, " cfe: %u IP: %d vector: %u", 1926 data->type, data->ip, data->vector); 1927 } 1928 for (i = 0; i < data->evd_cnt; i++) { 1929 unsigned int et = data->evd[i].evd_type & 0x3f; 1930 1931 s = evd[et]; 1932 if (s) { 1933 len += fprintf(fp, " %s: %#" PRIx64, 1934 s, data->evd[i].payload); 1935 } else { 1936 len += fprintf(fp, " EVD_%u: %#" PRIx64, 1937 et, data->evd[i].payload); 1938 } 1939 } 1940 return len + perf_sample__fprintf_pt_spacing(len, fp); 1941 } 1942 1943 static int perf_sample__fprintf_synth_iflag_chg(struct perf_sample *sample, FILE *fp) 1944 { 1945 struct perf_synth_intel_iflag_chg *data = perf_sample__synth_ptr(sample); 1946 int len; 1947 1948 if (perf_sample__bad_synth_size(sample, *data)) 1949 return 0; 1950 1951 len = fprintf(fp, " IFLAG: %d->%d %s branch", !data->iflag, data->iflag, 1952 data->via_branch ? "via" : "non"); 1953 return len + perf_sample__fprintf_pt_spacing(len, fp); 1954 } 1955 1956 static int perf_sample__fprintf_synth(struct perf_sample *sample, 1957 struct evsel *evsel, FILE *fp) 1958 { 1959 switch (evsel->core.attr.config) { 1960 case PERF_SYNTH_INTEL_PTWRITE: 1961 return perf_sample__fprintf_synth_ptwrite(sample, fp); 1962 case PERF_SYNTH_INTEL_MWAIT: 1963 return perf_sample__fprintf_synth_mwait(sample, fp); 1964 case PERF_SYNTH_INTEL_PWRE: 1965 return perf_sample__fprintf_synth_pwre(sample, fp); 1966 case PERF_SYNTH_INTEL_EXSTOP: 1967 return perf_sample__fprintf_synth_exstop(sample, fp); 1968 case PERF_SYNTH_INTEL_PWRX: 1969 return perf_sample__fprintf_synth_pwrx(sample, fp); 1970 case PERF_SYNTH_INTEL_CBR: 1971 return perf_sample__fprintf_synth_cbr(sample, fp); 1972 case PERF_SYNTH_INTEL_PSB: 1973 return perf_sample__fprintf_synth_psb(sample, fp); 1974 case PERF_SYNTH_INTEL_EVT: 1975 return perf_sample__fprintf_synth_evt(sample, fp); 1976 case PERF_SYNTH_INTEL_IFLAG_CHG: 1977 return perf_sample__fprintf_synth_iflag_chg(sample, fp); 1978 default: 1979 break; 1980 } 1981 1982 return 0; 1983 } 1984 1985 static int evlist__max_name_len(struct evlist *evlist) 1986 { 1987 struct evsel *evsel; 1988 int max = 0; 1989 1990 evlist__for_each_entry(evlist, evsel) { 1991 int len = strlen(evsel__name(evsel)); 1992 1993 max = MAX(len, max); 1994 } 1995 1996 return max; 1997 } 1998 1999 static int data_src__fprintf(u64 data_src, FILE *fp) 2000 { 2001 struct mem_info mi = { .data_src.val = data_src }; 2002 char decode[100]; 2003 char out[100]; 2004 static int maxlen; 2005 int len; 2006 2007 perf_script__meminfo_scnprintf(decode, 100, &mi); 2008 2009 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode); 2010 if (maxlen < len) 2011 maxlen = len; 2012 2013 return fprintf(fp, "%-*s", maxlen, out); 2014 } 2015 2016 struct metric_ctx { 2017 struct perf_sample *sample; 2018 struct thread *thread; 2019 struct evsel *evsel; 2020 FILE *fp; 2021 }; 2022 2023 static void script_print_metric(struct perf_stat_config *config __maybe_unused, 2024 void *ctx, const char *color, 2025 const char *fmt, 2026 const char *unit, double val) 2027 { 2028 struct metric_ctx *mctx = ctx; 2029 2030 if (!fmt) 2031 return; 2032 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, 2033 PERF_RECORD_SAMPLE, mctx->fp); 2034 fputs("\tmetric: ", mctx->fp); 2035 if (color) 2036 color_fprintf(mctx->fp, color, fmt, val); 2037 else 2038 printf(fmt, val); 2039 fprintf(mctx->fp, " %s\n", unit); 2040 } 2041 2042 static void script_new_line(struct perf_stat_config *config __maybe_unused, 2043 void *ctx) 2044 { 2045 struct metric_ctx *mctx = ctx; 2046 2047 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, 2048 PERF_RECORD_SAMPLE, mctx->fp); 2049 fputs("\tmetric: ", mctx->fp); 2050 } 2051 2052 static void perf_sample__fprint_metric(struct perf_script *script, 2053 struct thread *thread, 2054 struct evsel *evsel, 2055 struct perf_sample *sample, 2056 FILE *fp) 2057 { 2058 struct evsel *leader = evsel__leader(evsel); 2059 struct perf_stat_output_ctx ctx = { 2060 .print_metric = script_print_metric, 2061 .new_line = script_new_line, 2062 .ctx = &(struct metric_ctx) { 2063 .sample = sample, 2064 .thread = thread, 2065 .evsel = evsel, 2066 .fp = fp, 2067 }, 2068 .force_header = false, 2069 }; 2070 struct evsel *ev2; 2071 u64 val; 2072 2073 if (!evsel->stats) 2074 evlist__alloc_stats(&stat_config, script->session->evlist, /*alloc_raw=*/false); 2075 if (evsel_script(leader)->gnum++ == 0) 2076 perf_stat__reset_shadow_stats(); 2077 val = sample->period * evsel->scale; 2078 evsel_script(evsel)->val = val; 2079 if (evsel_script(leader)->gnum == leader->core.nr_members) { 2080 for_each_group_member (ev2, leader) { 2081 perf_stat__print_shadow_stats(&stat_config, ev2, 2082 evsel_script(ev2)->val, 2083 sample->cpu, 2084 &ctx, 2085 NULL); 2086 } 2087 evsel_script(leader)->gnum = 0; 2088 } 2089 } 2090 2091 static bool show_event(struct perf_sample *sample, 2092 struct evsel *evsel, 2093 struct thread *thread, 2094 struct addr_location *al, 2095 struct addr_location *addr_al) 2096 { 2097 int depth = thread_stack__depth(thread, sample->cpu); 2098 2099 if (!symbol_conf.graph_function) 2100 return true; 2101 2102 if (thread->filter) { 2103 if (depth <= thread->filter_entry_depth) { 2104 thread->filter = false; 2105 return false; 2106 } 2107 return true; 2108 } else { 2109 const char *s = symbol_conf.graph_function; 2110 u64 ip; 2111 const char *name = resolve_branch_sym(sample, evsel, thread, al, addr_al, 2112 &ip); 2113 unsigned nlen; 2114 2115 if (!name) 2116 return false; 2117 nlen = strlen(name); 2118 while (*s) { 2119 unsigned len = strcspn(s, ","); 2120 if (nlen == len && !strncmp(name, s, len)) { 2121 thread->filter = true; 2122 thread->filter_entry_depth = depth; 2123 return true; 2124 } 2125 s += len; 2126 if (*s == ',') 2127 s++; 2128 } 2129 return false; 2130 } 2131 } 2132 2133 static void process_event(struct perf_script *script, 2134 struct perf_sample *sample, struct evsel *evsel, 2135 struct addr_location *al, 2136 struct addr_location *addr_al, 2137 struct machine *machine) 2138 { 2139 struct thread *thread = al->thread; 2140 struct perf_event_attr *attr = &evsel->core.attr; 2141 unsigned int type = output_type(attr->type); 2142 struct evsel_script *es = evsel->priv; 2143 FILE *fp = es->fp; 2144 char str[PAGE_SIZE_NAME_LEN]; 2145 const char *arch = perf_env__arch(machine->env); 2146 2147 if (output[type].fields == 0) 2148 return; 2149 2150 ++es->samples; 2151 2152 perf_sample__fprintf_start(script, sample, thread, evsel, 2153 PERF_RECORD_SAMPLE, fp); 2154 2155 if (PRINT_FIELD(PERIOD)) 2156 fprintf(fp, "%10" PRIu64 " ", sample->period); 2157 2158 if (PRINT_FIELD(EVNAME)) { 2159 const char *evname = evsel__name(evsel); 2160 2161 if (!script->name_width) 2162 script->name_width = evlist__max_name_len(script->session->evlist); 2163 2164 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]"); 2165 } 2166 2167 if (print_flags) 2168 perf_sample__fprintf_flags(sample->flags, fp); 2169 2170 if (is_bts_event(attr)) { 2171 perf_sample__fprintf_bts(sample, evsel, thread, al, addr_al, machine, fp); 2172 return; 2173 } 2174 #ifdef HAVE_LIBTRACEEVENT 2175 if (PRINT_FIELD(TRACE) && sample->raw_data) { 2176 event_format__fprintf(evsel->tp_format, sample->cpu, 2177 sample->raw_data, sample->raw_size, fp); 2178 } 2179 #endif 2180 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH)) 2181 perf_sample__fprintf_synth(sample, evsel, fp); 2182 2183 if (PRINT_FIELD(ADDR)) 2184 perf_sample__fprintf_addr(sample, thread, attr, fp); 2185 2186 if (PRINT_FIELD(DATA_SRC)) 2187 data_src__fprintf(sample->data_src, fp); 2188 2189 if (PRINT_FIELD(WEIGHT)) 2190 fprintf(fp, "%16" PRIu64, sample->weight); 2191 2192 if (PRINT_FIELD(INS_LAT)) 2193 fprintf(fp, "%16" PRIu16, sample->ins_lat); 2194 2195 if (PRINT_FIELD(RETIRE_LAT)) 2196 fprintf(fp, "%16" PRIu16, sample->retire_lat); 2197 2198 if (PRINT_FIELD(IP)) { 2199 struct callchain_cursor *cursor = NULL; 2200 2201 if (script->stitch_lbr) 2202 al->thread->lbr_stitch_enable = true; 2203 2204 if (symbol_conf.use_callchain && sample->callchain && 2205 thread__resolve_callchain(al->thread, &callchain_cursor, evsel, 2206 sample, NULL, NULL, scripting_max_stack) == 0) 2207 cursor = &callchain_cursor; 2208 2209 fputc(cursor ? '\n' : ' ', fp); 2210 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, 2211 symbol_conf.bt_stop_list, fp); 2212 } 2213 2214 if (PRINT_FIELD(IREGS)) 2215 perf_sample__fprintf_iregs(sample, attr, arch, fp); 2216 2217 if (PRINT_FIELD(UREGS)) 2218 perf_sample__fprintf_uregs(sample, attr, arch, fp); 2219 2220 if (PRINT_FIELD(BRSTACK)) 2221 perf_sample__fprintf_brstack(sample, thread, attr, fp); 2222 else if (PRINT_FIELD(BRSTACKSYM)) 2223 perf_sample__fprintf_brstacksym(sample, thread, attr, fp); 2224 else if (PRINT_FIELD(BRSTACKOFF)) 2225 perf_sample__fprintf_brstackoff(sample, thread, attr, fp); 2226 2227 if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT)) 2228 perf_sample__fprintf_bpf_output(sample, fp); 2229 perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 2230 2231 if (PRINT_FIELD(PHYS_ADDR)) 2232 fprintf(fp, "%16" PRIx64, sample->phys_addr); 2233 2234 if (PRINT_FIELD(DATA_PAGE_SIZE)) 2235 fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str)); 2236 2237 if (PRINT_FIELD(CODE_PAGE_SIZE)) 2238 fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str)); 2239 2240 if (PRINT_FIELD(CGROUP)) { 2241 const char *cgrp_name; 2242 struct cgroup *cgrp = cgroup__find(machine->env, 2243 sample->cgroup); 2244 if (cgrp != NULL) 2245 cgrp_name = cgrp->name; 2246 else 2247 cgrp_name = "unknown"; 2248 fprintf(fp, " %s", cgrp_name); 2249 } 2250 2251 perf_sample__fprintf_ipc(sample, attr, fp); 2252 2253 fprintf(fp, "\n"); 2254 2255 if (PRINT_FIELD(SRCCODE)) { 2256 if (map__fprintf_srccode(al->map, al->addr, stdout, 2257 &thread->srccode_state)) 2258 printf("\n"); 2259 } 2260 2261 if (PRINT_FIELD(METRIC)) 2262 perf_sample__fprint_metric(script, thread, evsel, sample, fp); 2263 2264 if (verbose > 0) 2265 fflush(fp); 2266 } 2267 2268 static struct scripting_ops *scripting_ops; 2269 2270 static void __process_stat(struct evsel *counter, u64 tstamp) 2271 { 2272 int nthreads = perf_thread_map__nr(counter->core.threads); 2273 int idx, thread; 2274 struct perf_cpu cpu; 2275 static int header_printed; 2276 2277 if (!header_printed) { 2278 printf("%3s %8s %15s %15s %15s %15s %s\n", 2279 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT"); 2280 header_printed = 1; 2281 } 2282 2283 for (thread = 0; thread < nthreads; thread++) { 2284 perf_cpu_map__for_each_cpu(cpu, idx, evsel__cpus(counter)) { 2285 struct perf_counts_values *counts; 2286 2287 counts = perf_counts(counter->counts, idx, thread); 2288 2289 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n", 2290 cpu.cpu, 2291 perf_thread_map__pid(counter->core.threads, thread), 2292 counts->val, 2293 counts->ena, 2294 counts->run, 2295 tstamp, 2296 evsel__name(counter)); 2297 } 2298 } 2299 } 2300 2301 static void process_stat(struct evsel *counter, u64 tstamp) 2302 { 2303 if (scripting_ops && scripting_ops->process_stat) 2304 scripting_ops->process_stat(&stat_config, counter, tstamp); 2305 else 2306 __process_stat(counter, tstamp); 2307 } 2308 2309 static void process_stat_interval(u64 tstamp) 2310 { 2311 if (scripting_ops && scripting_ops->process_stat_interval) 2312 scripting_ops->process_stat_interval(tstamp); 2313 } 2314 2315 static void setup_scripting(void) 2316 { 2317 #ifdef HAVE_LIBTRACEEVENT 2318 setup_perl_scripting(); 2319 #endif 2320 setup_python_scripting(); 2321 } 2322 2323 static int flush_scripting(void) 2324 { 2325 return scripting_ops ? scripting_ops->flush_script() : 0; 2326 } 2327 2328 static int cleanup_scripting(void) 2329 { 2330 pr_debug("\nperf script stopped\n"); 2331 2332 return scripting_ops ? scripting_ops->stop_script() : 0; 2333 } 2334 2335 static bool filter_cpu(struct perf_sample *sample) 2336 { 2337 if (cpu_list && sample->cpu != (u32)-1) 2338 return !test_bit(sample->cpu, cpu_bitmap); 2339 return false; 2340 } 2341 2342 static int process_sample_event(struct perf_tool *tool, 2343 union perf_event *event, 2344 struct perf_sample *sample, 2345 struct evsel *evsel, 2346 struct machine *machine) 2347 { 2348 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2349 struct addr_location al; 2350 struct addr_location addr_al; 2351 int ret = 0; 2352 2353 /* Set thread to NULL to indicate addr_al and al are not initialized */ 2354 addr_al.thread = NULL; 2355 al.thread = NULL; 2356 2357 ret = dlfilter__filter_event_early(dlfilter, event, sample, evsel, machine, &al, &addr_al); 2358 if (ret) { 2359 if (ret > 0) 2360 ret = 0; 2361 goto out_put; 2362 } 2363 2364 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num, 2365 sample->time)) { 2366 goto out_put; 2367 } 2368 2369 if (debug_mode) { 2370 if (sample->time < last_timestamp) { 2371 pr_err("Samples misordered, previous: %" PRIu64 2372 " this: %" PRIu64 "\n", last_timestamp, 2373 sample->time); 2374 nr_unordered++; 2375 } 2376 last_timestamp = sample->time; 2377 goto out_put; 2378 } 2379 2380 if (filter_cpu(sample)) 2381 goto out_put; 2382 2383 if (!al.thread && machine__resolve(machine, &al, sample) < 0) { 2384 pr_err("problem processing %d event, skipping it.\n", 2385 event->header.type); 2386 ret = -1; 2387 goto out_put; 2388 } 2389 2390 if (al.filtered) 2391 goto out_put; 2392 2393 if (!show_event(sample, evsel, al.thread, &al, &addr_al)) 2394 goto out_put; 2395 2396 if (evswitch__discard(&scr->evswitch, evsel)) 2397 goto out_put; 2398 2399 ret = dlfilter__filter_event(dlfilter, event, sample, evsel, machine, &al, &addr_al); 2400 if (ret) { 2401 if (ret > 0) 2402 ret = 0; 2403 goto out_put; 2404 } 2405 2406 if (scripting_ops) { 2407 struct addr_location *addr_al_ptr = NULL; 2408 2409 if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 2410 sample_addr_correlates_sym(&evsel->core.attr)) { 2411 if (!addr_al.thread) 2412 thread__resolve(al.thread, &addr_al, sample); 2413 addr_al_ptr = &addr_al; 2414 } 2415 scripting_ops->process_event(event, sample, evsel, &al, addr_al_ptr); 2416 } else { 2417 process_event(scr, sample, evsel, &al, &addr_al, machine); 2418 } 2419 2420 out_put: 2421 if (al.thread) 2422 addr_location__put(&al); 2423 return ret; 2424 } 2425 2426 static int process_attr(struct perf_tool *tool, union perf_event *event, 2427 struct evlist **pevlist) 2428 { 2429 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2430 struct evlist *evlist; 2431 struct evsel *evsel, *pos; 2432 u64 sample_type; 2433 int err; 2434 static struct evsel_script *es; 2435 2436 err = perf_event__process_attr(tool, event, pevlist); 2437 if (err) 2438 return err; 2439 2440 evlist = *pevlist; 2441 evsel = evlist__last(*pevlist); 2442 2443 if (!evsel->priv) { 2444 if (scr->per_event_dump) { 2445 evsel->priv = evsel_script__new(evsel, scr->session->data); 2446 } else { 2447 es = zalloc(sizeof(*es)); 2448 if (!es) 2449 return -ENOMEM; 2450 es->fp = stdout; 2451 evsel->priv = es; 2452 } 2453 } 2454 2455 if (evsel->core.attr.type >= PERF_TYPE_MAX && 2456 evsel->core.attr.type != PERF_TYPE_SYNTH) 2457 return 0; 2458 2459 evlist__for_each_entry(evlist, pos) { 2460 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel) 2461 return 0; 2462 } 2463 2464 if (evsel->core.attr.sample_type) { 2465 err = evsel__check_attr(evsel, scr->session); 2466 if (err) 2467 return err; 2468 } 2469 2470 /* 2471 * Check if we need to enable callchains based 2472 * on events sample_type. 2473 */ 2474 sample_type = evlist__combined_sample_type(evlist); 2475 callchain_param_setup(sample_type, perf_env__arch((*pevlist)->env)); 2476 2477 /* Enable fields for callchain entries */ 2478 if (symbol_conf.use_callchain && 2479 (sample_type & PERF_SAMPLE_CALLCHAIN || 2480 sample_type & PERF_SAMPLE_BRANCH_STACK || 2481 (sample_type & PERF_SAMPLE_REGS_USER && 2482 sample_type & PERF_SAMPLE_STACK_USER))) { 2483 int type = output_type(evsel->core.attr.type); 2484 2485 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP)) 2486 output[type].fields |= PERF_OUTPUT_IP; 2487 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM)) 2488 output[type].fields |= PERF_OUTPUT_SYM; 2489 } 2490 set_print_ip_opts(&evsel->core.attr); 2491 return 0; 2492 } 2493 2494 static int print_event_with_time(struct perf_tool *tool, 2495 union perf_event *event, 2496 struct perf_sample *sample, 2497 struct machine *machine, 2498 pid_t pid, pid_t tid, u64 timestamp) 2499 { 2500 struct perf_script *script = container_of(tool, struct perf_script, tool); 2501 struct perf_session *session = script->session; 2502 struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id); 2503 struct thread *thread = NULL; 2504 2505 if (evsel && !evsel->core.attr.sample_id_all) { 2506 sample->cpu = 0; 2507 sample->time = timestamp; 2508 sample->pid = pid; 2509 sample->tid = tid; 2510 } 2511 2512 if (filter_cpu(sample)) 2513 return 0; 2514 2515 if (tid != -1) 2516 thread = machine__findnew_thread(machine, pid, tid); 2517 2518 if (evsel) { 2519 perf_sample__fprintf_start(script, sample, thread, evsel, 2520 event->header.type, stdout); 2521 } 2522 2523 perf_event__fprintf(event, machine, stdout); 2524 2525 thread__put(thread); 2526 2527 return 0; 2528 } 2529 2530 static int print_event(struct perf_tool *tool, union perf_event *event, 2531 struct perf_sample *sample, struct machine *machine, 2532 pid_t pid, pid_t tid) 2533 { 2534 return print_event_with_time(tool, event, sample, machine, pid, tid, 0); 2535 } 2536 2537 static int process_comm_event(struct perf_tool *tool, 2538 union perf_event *event, 2539 struct perf_sample *sample, 2540 struct machine *machine) 2541 { 2542 if (perf_event__process_comm(tool, event, sample, machine) < 0) 2543 return -1; 2544 2545 return print_event(tool, event, sample, machine, event->comm.pid, 2546 event->comm.tid); 2547 } 2548 2549 static int process_namespaces_event(struct perf_tool *tool, 2550 union perf_event *event, 2551 struct perf_sample *sample, 2552 struct machine *machine) 2553 { 2554 if (perf_event__process_namespaces(tool, event, sample, machine) < 0) 2555 return -1; 2556 2557 return print_event(tool, event, sample, machine, event->namespaces.pid, 2558 event->namespaces.tid); 2559 } 2560 2561 static int process_cgroup_event(struct perf_tool *tool, 2562 union perf_event *event, 2563 struct perf_sample *sample, 2564 struct machine *machine) 2565 { 2566 if (perf_event__process_cgroup(tool, event, sample, machine) < 0) 2567 return -1; 2568 2569 return print_event(tool, event, sample, machine, sample->pid, 2570 sample->tid); 2571 } 2572 2573 static int process_fork_event(struct perf_tool *tool, 2574 union perf_event *event, 2575 struct perf_sample *sample, 2576 struct machine *machine) 2577 { 2578 if (perf_event__process_fork(tool, event, sample, machine) < 0) 2579 return -1; 2580 2581 return print_event_with_time(tool, event, sample, machine, 2582 event->fork.pid, event->fork.tid, 2583 event->fork.time); 2584 } 2585 static int process_exit_event(struct perf_tool *tool, 2586 union perf_event *event, 2587 struct perf_sample *sample, 2588 struct machine *machine) 2589 { 2590 /* Print before 'exit' deletes anything */ 2591 if (print_event_with_time(tool, event, sample, machine, event->fork.pid, 2592 event->fork.tid, event->fork.time)) 2593 return -1; 2594 2595 return perf_event__process_exit(tool, event, sample, machine); 2596 } 2597 2598 static int process_mmap_event(struct perf_tool *tool, 2599 union perf_event *event, 2600 struct perf_sample *sample, 2601 struct machine *machine) 2602 { 2603 if (perf_event__process_mmap(tool, event, sample, machine) < 0) 2604 return -1; 2605 2606 return print_event(tool, event, sample, machine, event->mmap.pid, 2607 event->mmap.tid); 2608 } 2609 2610 static int process_mmap2_event(struct perf_tool *tool, 2611 union perf_event *event, 2612 struct perf_sample *sample, 2613 struct machine *machine) 2614 { 2615 if (perf_event__process_mmap2(tool, event, sample, machine) < 0) 2616 return -1; 2617 2618 return print_event(tool, event, sample, machine, event->mmap2.pid, 2619 event->mmap2.tid); 2620 } 2621 2622 static int process_switch_event(struct perf_tool *tool, 2623 union perf_event *event, 2624 struct perf_sample *sample, 2625 struct machine *machine) 2626 { 2627 struct perf_script *script = container_of(tool, struct perf_script, tool); 2628 2629 if (perf_event__process_switch(tool, event, sample, machine) < 0) 2630 return -1; 2631 2632 if (scripting_ops && scripting_ops->process_switch && !filter_cpu(sample)) 2633 scripting_ops->process_switch(event, sample, machine); 2634 2635 if (!script->show_switch_events) 2636 return 0; 2637 2638 return print_event(tool, event, sample, machine, sample->pid, 2639 sample->tid); 2640 } 2641 2642 static int process_auxtrace_error(struct perf_session *session, 2643 union perf_event *event) 2644 { 2645 if (scripting_ops && scripting_ops->process_auxtrace_error) { 2646 scripting_ops->process_auxtrace_error(session, event); 2647 return 0; 2648 } 2649 2650 return perf_event__process_auxtrace_error(session, event); 2651 } 2652 2653 static int 2654 process_lost_event(struct perf_tool *tool, 2655 union perf_event *event, 2656 struct perf_sample *sample, 2657 struct machine *machine) 2658 { 2659 return print_event(tool, event, sample, machine, sample->pid, 2660 sample->tid); 2661 } 2662 2663 static int 2664 process_throttle_event(struct perf_tool *tool __maybe_unused, 2665 union perf_event *event, 2666 struct perf_sample *sample, 2667 struct machine *machine) 2668 { 2669 if (scripting_ops && scripting_ops->process_throttle) 2670 scripting_ops->process_throttle(event, sample, machine); 2671 return 0; 2672 } 2673 2674 static int 2675 process_finished_round_event(struct perf_tool *tool __maybe_unused, 2676 union perf_event *event, 2677 struct ordered_events *oe __maybe_unused) 2678 2679 { 2680 perf_event__fprintf(event, NULL, stdout); 2681 return 0; 2682 } 2683 2684 static int 2685 process_bpf_events(struct perf_tool *tool __maybe_unused, 2686 union perf_event *event, 2687 struct perf_sample *sample, 2688 struct machine *machine) 2689 { 2690 if (machine__process_ksymbol(machine, event, sample) < 0) 2691 return -1; 2692 2693 return print_event(tool, event, sample, machine, sample->pid, 2694 sample->tid); 2695 } 2696 2697 static int process_text_poke_events(struct perf_tool *tool, 2698 union perf_event *event, 2699 struct perf_sample *sample, 2700 struct machine *machine) 2701 { 2702 if (perf_event__process_text_poke(tool, event, sample, machine) < 0) 2703 return -1; 2704 2705 return print_event(tool, event, sample, machine, sample->pid, 2706 sample->tid); 2707 } 2708 2709 static void sig_handler(int sig __maybe_unused) 2710 { 2711 session_done = 1; 2712 } 2713 2714 static void perf_script__fclose_per_event_dump(struct perf_script *script) 2715 { 2716 struct evlist *evlist = script->session->evlist; 2717 struct evsel *evsel; 2718 2719 evlist__for_each_entry(evlist, evsel) { 2720 if (!evsel->priv) 2721 break; 2722 evsel_script__delete(evsel->priv); 2723 evsel->priv = NULL; 2724 } 2725 } 2726 2727 static int perf_script__fopen_per_event_dump(struct perf_script *script) 2728 { 2729 struct evsel *evsel; 2730 2731 evlist__for_each_entry(script->session->evlist, evsel) { 2732 /* 2733 * Already setup? I.e. we may be called twice in cases like 2734 * Intel PT, one for the intel_pt// and dummy events, then 2735 * for the evsels synthesized from the auxtrace info. 2736 * 2737 * Ses perf_script__process_auxtrace_info. 2738 */ 2739 if (evsel->priv != NULL) 2740 continue; 2741 2742 evsel->priv = evsel_script__new(evsel, script->session->data); 2743 if (evsel->priv == NULL) 2744 goto out_err_fclose; 2745 } 2746 2747 return 0; 2748 2749 out_err_fclose: 2750 perf_script__fclose_per_event_dump(script); 2751 return -1; 2752 } 2753 2754 static int perf_script__setup_per_event_dump(struct perf_script *script) 2755 { 2756 struct evsel *evsel; 2757 static struct evsel_script es_stdout; 2758 2759 if (script->per_event_dump) 2760 return perf_script__fopen_per_event_dump(script); 2761 2762 es_stdout.fp = stdout; 2763 2764 evlist__for_each_entry(script->session->evlist, evsel) 2765 evsel->priv = &es_stdout; 2766 2767 return 0; 2768 } 2769 2770 static void perf_script__exit_per_event_dump_stats(struct perf_script *script) 2771 { 2772 struct evsel *evsel; 2773 2774 evlist__for_each_entry(script->session->evlist, evsel) { 2775 struct evsel_script *es = evsel->priv; 2776 2777 evsel_script__fprintf(es, stdout); 2778 evsel_script__delete(es); 2779 evsel->priv = NULL; 2780 } 2781 } 2782 2783 static void perf_script__exit(struct perf_script *script) 2784 { 2785 perf_thread_map__put(script->threads); 2786 perf_cpu_map__put(script->cpus); 2787 } 2788 2789 static int __cmd_script(struct perf_script *script) 2790 { 2791 int ret; 2792 2793 signal(SIGINT, sig_handler); 2794 2795 /* override event processing functions */ 2796 if (script->show_task_events) { 2797 script->tool.comm = process_comm_event; 2798 script->tool.fork = process_fork_event; 2799 script->tool.exit = process_exit_event; 2800 } 2801 if (script->show_mmap_events) { 2802 script->tool.mmap = process_mmap_event; 2803 script->tool.mmap2 = process_mmap2_event; 2804 } 2805 if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch)) 2806 script->tool.context_switch = process_switch_event; 2807 if (scripting_ops && scripting_ops->process_auxtrace_error) 2808 script->tool.auxtrace_error = process_auxtrace_error; 2809 if (script->show_namespace_events) 2810 script->tool.namespaces = process_namespaces_event; 2811 if (script->show_cgroup_events) 2812 script->tool.cgroup = process_cgroup_event; 2813 if (script->show_lost_events) 2814 script->tool.lost = process_lost_event; 2815 if (script->show_round_events) { 2816 script->tool.ordered_events = false; 2817 script->tool.finished_round = process_finished_round_event; 2818 } 2819 if (script->show_bpf_events) { 2820 script->tool.ksymbol = process_bpf_events; 2821 script->tool.bpf = process_bpf_events; 2822 } 2823 if (script->show_text_poke_events) { 2824 script->tool.ksymbol = process_bpf_events; 2825 script->tool.text_poke = process_text_poke_events; 2826 } 2827 2828 if (perf_script__setup_per_event_dump(script)) { 2829 pr_err("Couldn't create the per event dump files\n"); 2830 return -1; 2831 } 2832 2833 ret = perf_session__process_events(script->session); 2834 2835 if (script->per_event_dump) 2836 perf_script__exit_per_event_dump_stats(script); 2837 2838 if (debug_mode) 2839 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); 2840 2841 return ret; 2842 } 2843 2844 struct script_spec { 2845 struct list_head node; 2846 struct scripting_ops *ops; 2847 char spec[]; 2848 }; 2849 2850 static LIST_HEAD(script_specs); 2851 2852 static struct script_spec *script_spec__new(const char *spec, 2853 struct scripting_ops *ops) 2854 { 2855 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); 2856 2857 if (s != NULL) { 2858 strcpy(s->spec, spec); 2859 s->ops = ops; 2860 } 2861 2862 return s; 2863 } 2864 2865 static void script_spec__add(struct script_spec *s) 2866 { 2867 list_add_tail(&s->node, &script_specs); 2868 } 2869 2870 static struct script_spec *script_spec__find(const char *spec) 2871 { 2872 struct script_spec *s; 2873 2874 list_for_each_entry(s, &script_specs, node) 2875 if (strcasecmp(s->spec, spec) == 0) 2876 return s; 2877 return NULL; 2878 } 2879 2880 int script_spec_register(const char *spec, struct scripting_ops *ops) 2881 { 2882 struct script_spec *s; 2883 2884 s = script_spec__find(spec); 2885 if (s) 2886 return -1; 2887 2888 s = script_spec__new(spec, ops); 2889 if (!s) 2890 return -1; 2891 else 2892 script_spec__add(s); 2893 2894 return 0; 2895 } 2896 2897 static struct scripting_ops *script_spec__lookup(const char *spec) 2898 { 2899 struct script_spec *s = script_spec__find(spec); 2900 if (!s) 2901 return NULL; 2902 2903 return s->ops; 2904 } 2905 2906 static void list_available_languages(void) 2907 { 2908 struct script_spec *s; 2909 2910 fprintf(stderr, "\n"); 2911 fprintf(stderr, "Scripting language extensions (used in " 2912 "perf script -s [spec:]script.[spec]):\n\n"); 2913 2914 list_for_each_entry(s, &script_specs, node) 2915 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); 2916 2917 fprintf(stderr, "\n"); 2918 } 2919 2920 /* Find script file relative to current directory or exec path */ 2921 static char *find_script(const char *script) 2922 { 2923 char path[PATH_MAX]; 2924 2925 if (!scripting_ops) { 2926 const char *ext = strrchr(script, '.'); 2927 2928 if (!ext) 2929 return NULL; 2930 2931 scripting_ops = script_spec__lookup(++ext); 2932 if (!scripting_ops) 2933 return NULL; 2934 } 2935 2936 if (access(script, R_OK)) { 2937 char *exec_path = get_argv_exec_path(); 2938 2939 if (!exec_path) 2940 return NULL; 2941 snprintf(path, sizeof(path), "%s/scripts/%s/%s", 2942 exec_path, scripting_ops->dirname, script); 2943 free(exec_path); 2944 script = path; 2945 if (access(script, R_OK)) 2946 return NULL; 2947 } 2948 return strdup(script); 2949 } 2950 2951 static int parse_scriptname(const struct option *opt __maybe_unused, 2952 const char *str, int unset __maybe_unused) 2953 { 2954 char spec[PATH_MAX]; 2955 const char *script, *ext; 2956 int len; 2957 2958 if (strcmp(str, "lang") == 0) { 2959 list_available_languages(); 2960 exit(0); 2961 } 2962 2963 script = strchr(str, ':'); 2964 if (script) { 2965 len = script - str; 2966 if (len >= PATH_MAX) { 2967 fprintf(stderr, "invalid language specifier"); 2968 return -1; 2969 } 2970 strncpy(spec, str, len); 2971 spec[len] = '\0'; 2972 scripting_ops = script_spec__lookup(spec); 2973 if (!scripting_ops) { 2974 fprintf(stderr, "invalid language specifier"); 2975 return -1; 2976 } 2977 script++; 2978 } else { 2979 script = str; 2980 ext = strrchr(script, '.'); 2981 if (!ext) { 2982 fprintf(stderr, "invalid script extension"); 2983 return -1; 2984 } 2985 scripting_ops = script_spec__lookup(++ext); 2986 if (!scripting_ops) { 2987 fprintf(stderr, "invalid script extension"); 2988 return -1; 2989 } 2990 } 2991 2992 script_name = find_script(script); 2993 if (!script_name) 2994 script_name = strdup(script); 2995 2996 return 0; 2997 } 2998 2999 static int parse_output_fields(const struct option *opt __maybe_unused, 3000 const char *arg, int unset __maybe_unused) 3001 { 3002 char *tok, *strtok_saveptr = NULL; 3003 int i, imax = ARRAY_SIZE(all_output_options); 3004 int j; 3005 int rc = 0; 3006 char *str = strdup(arg); 3007 int type = -1; 3008 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT; 3009 3010 if (!str) 3011 return -ENOMEM; 3012 3013 /* first word can state for which event type the user is specifying 3014 * the fields. If no type exists, the specified fields apply to all 3015 * event types found in the file minus the invalid fields for a type. 3016 */ 3017 tok = strchr(str, ':'); 3018 if (tok) { 3019 *tok = '\0'; 3020 tok++; 3021 if (!strcmp(str, "hw")) 3022 type = PERF_TYPE_HARDWARE; 3023 else if (!strcmp(str, "sw")) 3024 type = PERF_TYPE_SOFTWARE; 3025 else if (!strcmp(str, "trace")) 3026 type = PERF_TYPE_TRACEPOINT; 3027 else if (!strcmp(str, "raw")) 3028 type = PERF_TYPE_RAW; 3029 else if (!strcmp(str, "break")) 3030 type = PERF_TYPE_BREAKPOINT; 3031 else if (!strcmp(str, "synth")) 3032 type = OUTPUT_TYPE_SYNTH; 3033 else { 3034 fprintf(stderr, "Invalid event type in field string.\n"); 3035 rc = -EINVAL; 3036 goto out; 3037 } 3038 3039 if (output[type].user_set) 3040 pr_warning("Overriding previous field request for %s events.\n", 3041 event_type(type)); 3042 3043 /* Don't override defaults for +- */ 3044 if (strchr(tok, '+') || strchr(tok, '-')) 3045 goto parse; 3046 3047 output[type].fields = 0; 3048 output[type].user_set = true; 3049 output[type].wildcard_set = false; 3050 3051 } else { 3052 tok = str; 3053 if (strlen(str) == 0) { 3054 fprintf(stderr, 3055 "Cannot set fields to 'none' for all event types.\n"); 3056 rc = -EINVAL; 3057 goto out; 3058 } 3059 3060 /* Don't override defaults for +- */ 3061 if (strchr(str, '+') || strchr(str, '-')) 3062 goto parse; 3063 3064 if (output_set_by_user()) 3065 pr_warning("Overriding previous field request for all events.\n"); 3066 3067 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 3068 output[j].fields = 0; 3069 output[j].user_set = true; 3070 output[j].wildcard_set = true; 3071 } 3072 } 3073 3074 parse: 3075 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) { 3076 if (*tok == '+') { 3077 if (change == SET) 3078 goto out_badmix; 3079 change = ADD; 3080 tok++; 3081 } else if (*tok == '-') { 3082 if (change == SET) 3083 goto out_badmix; 3084 change = REMOVE; 3085 tok++; 3086 } else { 3087 if (change != SET && change != DEFAULT) 3088 goto out_badmix; 3089 change = SET; 3090 } 3091 3092 for (i = 0; i < imax; ++i) { 3093 if (strcmp(tok, all_output_options[i].str) == 0) 3094 break; 3095 } 3096 if (i == imax && strcmp(tok, "flags") == 0) { 3097 print_flags = change != REMOVE; 3098 continue; 3099 } 3100 if (i == imax) { 3101 fprintf(stderr, "Invalid field requested.\n"); 3102 rc = -EINVAL; 3103 goto out; 3104 } 3105 3106 if (type == -1) { 3107 /* add user option to all events types for 3108 * which it is valid 3109 */ 3110 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 3111 if (output[j].invalid_fields & all_output_options[i].field) { 3112 pr_warning("\'%s\' not valid for %s events. Ignoring.\n", 3113 all_output_options[i].str, event_type(j)); 3114 } else { 3115 if (change == REMOVE) { 3116 output[j].fields &= ~all_output_options[i].field; 3117 output[j].user_set_fields &= ~all_output_options[i].field; 3118 output[j].user_unset_fields |= all_output_options[i].field; 3119 } else { 3120 output[j].fields |= all_output_options[i].field; 3121 output[j].user_set_fields |= all_output_options[i].field; 3122 output[j].user_unset_fields &= ~all_output_options[i].field; 3123 } 3124 output[j].user_set = true; 3125 output[j].wildcard_set = true; 3126 } 3127 } 3128 } else { 3129 if (output[type].invalid_fields & all_output_options[i].field) { 3130 fprintf(stderr, "\'%s\' not valid for %s events.\n", 3131 all_output_options[i].str, event_type(type)); 3132 3133 rc = -EINVAL; 3134 goto out; 3135 } 3136 if (change == REMOVE) 3137 output[type].fields &= ~all_output_options[i].field; 3138 else 3139 output[type].fields |= all_output_options[i].field; 3140 output[type].user_set = true; 3141 output[type].wildcard_set = true; 3142 } 3143 } 3144 3145 if (type >= 0) { 3146 if (output[type].fields == 0) { 3147 pr_debug("No fields requested for %s type. " 3148 "Events will not be displayed.\n", event_type(type)); 3149 } 3150 } 3151 goto out; 3152 3153 out_badmix: 3154 fprintf(stderr, "Cannot mix +-field with overridden fields\n"); 3155 rc = -EINVAL; 3156 out: 3157 free(str); 3158 return rc; 3159 } 3160 3161 #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \ 3162 while ((lang_dirent = readdir(scripts_dir)) != NULL) \ 3163 if ((lang_dirent->d_type == DT_DIR || \ 3164 (lang_dirent->d_type == DT_UNKNOWN && \ 3165 is_directory(scripts_path, lang_dirent))) && \ 3166 (strcmp(lang_dirent->d_name, ".")) && \ 3167 (strcmp(lang_dirent->d_name, ".."))) 3168 3169 #define for_each_script(lang_path, lang_dir, script_dirent) \ 3170 while ((script_dirent = readdir(lang_dir)) != NULL) \ 3171 if (script_dirent->d_type != DT_DIR && \ 3172 (script_dirent->d_type != DT_UNKNOWN || \ 3173 !is_directory(lang_path, script_dirent))) 3174 3175 3176 #define RECORD_SUFFIX "-record" 3177 #define REPORT_SUFFIX "-report" 3178 3179 struct script_desc { 3180 struct list_head node; 3181 char *name; 3182 char *half_liner; 3183 char *args; 3184 }; 3185 3186 static LIST_HEAD(script_descs); 3187 3188 static struct script_desc *script_desc__new(const char *name) 3189 { 3190 struct script_desc *s = zalloc(sizeof(*s)); 3191 3192 if (s != NULL && name) 3193 s->name = strdup(name); 3194 3195 return s; 3196 } 3197 3198 static void script_desc__delete(struct script_desc *s) 3199 { 3200 zfree(&s->name); 3201 zfree(&s->half_liner); 3202 zfree(&s->args); 3203 free(s); 3204 } 3205 3206 static void script_desc__add(struct script_desc *s) 3207 { 3208 list_add_tail(&s->node, &script_descs); 3209 } 3210 3211 static struct script_desc *script_desc__find(const char *name) 3212 { 3213 struct script_desc *s; 3214 3215 list_for_each_entry(s, &script_descs, node) 3216 if (strcasecmp(s->name, name) == 0) 3217 return s; 3218 return NULL; 3219 } 3220 3221 static struct script_desc *script_desc__findnew(const char *name) 3222 { 3223 struct script_desc *s = script_desc__find(name); 3224 3225 if (s) 3226 return s; 3227 3228 s = script_desc__new(name); 3229 if (!s) 3230 return NULL; 3231 3232 script_desc__add(s); 3233 3234 return s; 3235 } 3236 3237 static const char *ends_with(const char *str, const char *suffix) 3238 { 3239 size_t suffix_len = strlen(suffix); 3240 const char *p = str; 3241 3242 if (strlen(str) > suffix_len) { 3243 p = str + strlen(str) - suffix_len; 3244 if (!strncmp(p, suffix, suffix_len)) 3245 return p; 3246 } 3247 3248 return NULL; 3249 } 3250 3251 static int read_script_info(struct script_desc *desc, const char *filename) 3252 { 3253 char line[BUFSIZ], *p; 3254 FILE *fp; 3255 3256 fp = fopen(filename, "r"); 3257 if (!fp) 3258 return -1; 3259 3260 while (fgets(line, sizeof(line), fp)) { 3261 p = skip_spaces(line); 3262 if (strlen(p) == 0) 3263 continue; 3264 if (*p != '#') 3265 continue; 3266 p++; 3267 if (strlen(p) && *p == '!') 3268 continue; 3269 3270 p = skip_spaces(p); 3271 if (strlen(p) && p[strlen(p) - 1] == '\n') 3272 p[strlen(p) - 1] = '\0'; 3273 3274 if (!strncmp(p, "description:", strlen("description:"))) { 3275 p += strlen("description:"); 3276 desc->half_liner = strdup(skip_spaces(p)); 3277 continue; 3278 } 3279 3280 if (!strncmp(p, "args:", strlen("args:"))) { 3281 p += strlen("args:"); 3282 desc->args = strdup(skip_spaces(p)); 3283 continue; 3284 } 3285 } 3286 3287 fclose(fp); 3288 3289 return 0; 3290 } 3291 3292 static char *get_script_root(struct dirent *script_dirent, const char *suffix) 3293 { 3294 char *script_root, *str; 3295 3296 script_root = strdup(script_dirent->d_name); 3297 if (!script_root) 3298 return NULL; 3299 3300 str = (char *)ends_with(script_root, suffix); 3301 if (!str) { 3302 free(script_root); 3303 return NULL; 3304 } 3305 3306 *str = '\0'; 3307 return script_root; 3308 } 3309 3310 static int list_available_scripts(const struct option *opt __maybe_unused, 3311 const char *s __maybe_unused, 3312 int unset __maybe_unused) 3313 { 3314 struct dirent *script_dirent, *lang_dirent; 3315 char scripts_path[MAXPATHLEN]; 3316 DIR *scripts_dir, *lang_dir; 3317 char script_path[MAXPATHLEN]; 3318 char lang_path[MAXPATHLEN]; 3319 struct script_desc *desc; 3320 char first_half[BUFSIZ]; 3321 char *script_root; 3322 3323 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3324 3325 scripts_dir = opendir(scripts_path); 3326 if (!scripts_dir) { 3327 fprintf(stdout, 3328 "open(%s) failed.\n" 3329 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n", 3330 scripts_path); 3331 exit(-1); 3332 } 3333 3334 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3335 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3336 lang_dirent->d_name); 3337 lang_dir = opendir(lang_path); 3338 if (!lang_dir) 3339 continue; 3340 3341 for_each_script(lang_path, lang_dir, script_dirent) { 3342 script_root = get_script_root(script_dirent, REPORT_SUFFIX); 3343 if (script_root) { 3344 desc = script_desc__findnew(script_root); 3345 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3346 lang_path, script_dirent->d_name); 3347 read_script_info(desc, script_path); 3348 free(script_root); 3349 } 3350 } 3351 } 3352 3353 fprintf(stdout, "List of available trace scripts:\n"); 3354 list_for_each_entry(desc, &script_descs, node) { 3355 sprintf(first_half, "%s %s", desc->name, 3356 desc->args ? desc->args : ""); 3357 fprintf(stdout, " %-36s %s\n", first_half, 3358 desc->half_liner ? desc->half_liner : ""); 3359 } 3360 3361 exit(0); 3362 } 3363 3364 static int add_dlarg(const struct option *opt __maybe_unused, 3365 const char *s, int unset __maybe_unused) 3366 { 3367 char *arg = strdup(s); 3368 void *a; 3369 3370 if (!arg) 3371 return -1; 3372 3373 a = realloc(dlargv, sizeof(dlargv[0]) * (dlargc + 1)); 3374 if (!a) { 3375 free(arg); 3376 return -1; 3377 } 3378 3379 dlargv = a; 3380 dlargv[dlargc++] = arg; 3381 3382 return 0; 3383 } 3384 3385 static void free_dlarg(void) 3386 { 3387 while (dlargc--) 3388 free(dlargv[dlargc]); 3389 free(dlargv); 3390 } 3391 3392 /* 3393 * Some scripts specify the required events in their "xxx-record" file, 3394 * this function will check if the events in perf.data match those 3395 * mentioned in the "xxx-record". 3396 * 3397 * Fixme: All existing "xxx-record" are all in good formats "-e event ", 3398 * which is covered well now. And new parsing code should be added to 3399 * cover the future complex formats like event groups etc. 3400 */ 3401 static int check_ev_match(char *dir_name, char *scriptname, 3402 struct perf_session *session) 3403 { 3404 char filename[MAXPATHLEN], evname[128]; 3405 char line[BUFSIZ], *p; 3406 struct evsel *pos; 3407 int match, len; 3408 FILE *fp; 3409 3410 scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname); 3411 3412 fp = fopen(filename, "r"); 3413 if (!fp) 3414 return -1; 3415 3416 while (fgets(line, sizeof(line), fp)) { 3417 p = skip_spaces(line); 3418 if (*p == '#') 3419 continue; 3420 3421 while (strlen(p)) { 3422 p = strstr(p, "-e"); 3423 if (!p) 3424 break; 3425 3426 p += 2; 3427 p = skip_spaces(p); 3428 len = strcspn(p, " \t"); 3429 if (!len) 3430 break; 3431 3432 snprintf(evname, len + 1, "%s", p); 3433 3434 match = 0; 3435 evlist__for_each_entry(session->evlist, pos) { 3436 if (!strcmp(evsel__name(pos), evname)) { 3437 match = 1; 3438 break; 3439 } 3440 } 3441 3442 if (!match) { 3443 fclose(fp); 3444 return -1; 3445 } 3446 } 3447 } 3448 3449 fclose(fp); 3450 return 0; 3451 } 3452 3453 /* 3454 * Return -1 if none is found, otherwise the actual scripts number. 3455 * 3456 * Currently the only user of this function is the script browser, which 3457 * will list all statically runnable scripts, select one, execute it and 3458 * show the output in a perf browser. 3459 */ 3460 int find_scripts(char **scripts_array, char **scripts_path_array, int num, 3461 int pathlen) 3462 { 3463 struct dirent *script_dirent, *lang_dirent; 3464 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; 3465 DIR *scripts_dir, *lang_dir; 3466 struct perf_session *session; 3467 struct perf_data data = { 3468 .path = input_name, 3469 .mode = PERF_DATA_MODE_READ, 3470 }; 3471 char *temp; 3472 int i = 0; 3473 3474 session = perf_session__new(&data, NULL); 3475 if (IS_ERR(session)) 3476 return PTR_ERR(session); 3477 3478 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3479 3480 scripts_dir = opendir(scripts_path); 3481 if (!scripts_dir) { 3482 perf_session__delete(session); 3483 return -1; 3484 } 3485 3486 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3487 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, 3488 lang_dirent->d_name); 3489 #ifndef HAVE_LIBPERL_SUPPORT 3490 if (strstr(lang_path, "perl")) 3491 continue; 3492 #endif 3493 #ifndef HAVE_LIBPYTHON_SUPPORT 3494 if (strstr(lang_path, "python")) 3495 continue; 3496 #endif 3497 3498 lang_dir = opendir(lang_path); 3499 if (!lang_dir) 3500 continue; 3501 3502 for_each_script(lang_path, lang_dir, script_dirent) { 3503 /* Skip those real time scripts: xxxtop.p[yl] */ 3504 if (strstr(script_dirent->d_name, "top.")) 3505 continue; 3506 if (i >= num) 3507 break; 3508 snprintf(scripts_path_array[i], pathlen, "%s/%s", 3509 lang_path, 3510 script_dirent->d_name); 3511 temp = strchr(script_dirent->d_name, '.'); 3512 snprintf(scripts_array[i], 3513 (temp - script_dirent->d_name) + 1, 3514 "%s", script_dirent->d_name); 3515 3516 if (check_ev_match(lang_path, 3517 scripts_array[i], session)) 3518 continue; 3519 3520 i++; 3521 } 3522 closedir(lang_dir); 3523 } 3524 3525 closedir(scripts_dir); 3526 perf_session__delete(session); 3527 return i; 3528 } 3529 3530 static char *get_script_path(const char *script_root, const char *suffix) 3531 { 3532 struct dirent *script_dirent, *lang_dirent; 3533 char scripts_path[MAXPATHLEN]; 3534 char script_path[MAXPATHLEN]; 3535 DIR *scripts_dir, *lang_dir; 3536 char lang_path[MAXPATHLEN]; 3537 char *__script_root; 3538 3539 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3540 3541 scripts_dir = opendir(scripts_path); 3542 if (!scripts_dir) 3543 return NULL; 3544 3545 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3546 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3547 lang_dirent->d_name); 3548 lang_dir = opendir(lang_path); 3549 if (!lang_dir) 3550 continue; 3551 3552 for_each_script(lang_path, lang_dir, script_dirent) { 3553 __script_root = get_script_root(script_dirent, suffix); 3554 if (__script_root && !strcmp(script_root, __script_root)) { 3555 free(__script_root); 3556 closedir(scripts_dir); 3557 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3558 lang_path, script_dirent->d_name); 3559 closedir(lang_dir); 3560 return strdup(script_path); 3561 } 3562 free(__script_root); 3563 } 3564 closedir(lang_dir); 3565 } 3566 closedir(scripts_dir); 3567 3568 return NULL; 3569 } 3570 3571 static bool is_top_script(const char *script_path) 3572 { 3573 return ends_with(script_path, "top") != NULL; 3574 } 3575 3576 static int has_required_arg(char *script_path) 3577 { 3578 struct script_desc *desc; 3579 int n_args = 0; 3580 char *p; 3581 3582 desc = script_desc__new(NULL); 3583 3584 if (read_script_info(desc, script_path)) 3585 goto out; 3586 3587 if (!desc->args) 3588 goto out; 3589 3590 for (p = desc->args; *p; p++) 3591 if (*p == '<') 3592 n_args++; 3593 out: 3594 script_desc__delete(desc); 3595 3596 return n_args; 3597 } 3598 3599 static int have_cmd(int argc, const char **argv) 3600 { 3601 char **__argv = malloc(sizeof(const char *) * argc); 3602 3603 if (!__argv) { 3604 pr_err("malloc failed\n"); 3605 return -1; 3606 } 3607 3608 memcpy(__argv, argv, sizeof(const char *) * argc); 3609 argc = parse_options(argc, (const char **)__argv, record_options, 3610 NULL, PARSE_OPT_STOP_AT_NON_OPTION); 3611 free(__argv); 3612 3613 system_wide = (argc == 0); 3614 3615 return 0; 3616 } 3617 3618 static void script__setup_sample_type(struct perf_script *script) 3619 { 3620 struct perf_session *session = script->session; 3621 u64 sample_type = evlist__combined_sample_type(session->evlist); 3622 3623 callchain_param_setup(sample_type, perf_env__arch(session->machines.host.env)); 3624 3625 if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) { 3626 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n" 3627 "Please apply --call-graph lbr when recording.\n"); 3628 script->stitch_lbr = false; 3629 } 3630 } 3631 3632 static int process_stat_round_event(struct perf_session *session, 3633 union perf_event *event) 3634 { 3635 struct perf_record_stat_round *round = &event->stat_round; 3636 struct evsel *counter; 3637 3638 evlist__for_each_entry(session->evlist, counter) { 3639 perf_stat_process_counter(&stat_config, counter); 3640 process_stat(counter, round->time); 3641 } 3642 3643 process_stat_interval(round->time); 3644 return 0; 3645 } 3646 3647 static int process_stat_config_event(struct perf_session *session __maybe_unused, 3648 union perf_event *event) 3649 { 3650 perf_event__read_stat_config(&stat_config, &event->stat_config); 3651 return 0; 3652 } 3653 3654 static int set_maps(struct perf_script *script) 3655 { 3656 struct evlist *evlist = script->session->evlist; 3657 3658 if (!script->cpus || !script->threads) 3659 return 0; 3660 3661 if (WARN_ONCE(script->allocated, "stats double allocation\n")) 3662 return -EINVAL; 3663 3664 perf_evlist__set_maps(&evlist->core, script->cpus, script->threads); 3665 3666 if (evlist__alloc_stats(&stat_config, evlist, /*alloc_raw=*/true)) 3667 return -ENOMEM; 3668 3669 script->allocated = true; 3670 return 0; 3671 } 3672 3673 static 3674 int process_thread_map_event(struct perf_session *session, 3675 union perf_event *event) 3676 { 3677 struct perf_tool *tool = session->tool; 3678 struct perf_script *script = container_of(tool, struct perf_script, tool); 3679 3680 if (dump_trace) 3681 perf_event__fprintf_thread_map(event, stdout); 3682 3683 if (script->threads) { 3684 pr_warning("Extra thread map event, ignoring.\n"); 3685 return 0; 3686 } 3687 3688 script->threads = thread_map__new_event(&event->thread_map); 3689 if (!script->threads) 3690 return -ENOMEM; 3691 3692 return set_maps(script); 3693 } 3694 3695 static 3696 int process_cpu_map_event(struct perf_session *session, 3697 union perf_event *event) 3698 { 3699 struct perf_tool *tool = session->tool; 3700 struct perf_script *script = container_of(tool, struct perf_script, tool); 3701 3702 if (dump_trace) 3703 perf_event__fprintf_cpu_map(event, stdout); 3704 3705 if (script->cpus) { 3706 pr_warning("Extra cpu map event, ignoring.\n"); 3707 return 0; 3708 } 3709 3710 script->cpus = cpu_map__new_data(&event->cpu_map.data); 3711 if (!script->cpus) 3712 return -ENOMEM; 3713 3714 return set_maps(script); 3715 } 3716 3717 static int process_feature_event(struct perf_session *session, 3718 union perf_event *event) 3719 { 3720 if (event->feat.feat_id < HEADER_LAST_FEATURE) 3721 return perf_event__process_feature(session, event); 3722 return 0; 3723 } 3724 3725 #ifdef HAVE_AUXTRACE_SUPPORT 3726 static int perf_script__process_auxtrace_info(struct perf_session *session, 3727 union perf_event *event) 3728 { 3729 struct perf_tool *tool = session->tool; 3730 3731 int ret = perf_event__process_auxtrace_info(session, event); 3732 3733 if (ret == 0) { 3734 struct perf_script *script = container_of(tool, struct perf_script, tool); 3735 3736 ret = perf_script__setup_per_event_dump(script); 3737 } 3738 3739 return ret; 3740 } 3741 #else 3742 #define perf_script__process_auxtrace_info 0 3743 #endif 3744 3745 static int parse_insn_trace(const struct option *opt __maybe_unused, 3746 const char *str __maybe_unused, 3747 int unset __maybe_unused) 3748 { 3749 parse_output_fields(NULL, "+insn,-event,-period", 0); 3750 itrace_parse_synth_opts(opt, "i0ns", 0); 3751 symbol_conf.nanosecs = true; 3752 return 0; 3753 } 3754 3755 static int parse_xed(const struct option *opt __maybe_unused, 3756 const char *str __maybe_unused, 3757 int unset __maybe_unused) 3758 { 3759 if (isatty(1)) 3760 force_pager("xed -F insn: -A -64 | less"); 3761 else 3762 force_pager("xed -F insn: -A -64"); 3763 return 0; 3764 } 3765 3766 static int parse_call_trace(const struct option *opt __maybe_unused, 3767 const char *str __maybe_unused, 3768 int unset __maybe_unused) 3769 { 3770 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0); 3771 itrace_parse_synth_opts(opt, "cewp", 0); 3772 symbol_conf.nanosecs = true; 3773 symbol_conf.pad_output_len_dso = 50; 3774 return 0; 3775 } 3776 3777 static int parse_callret_trace(const struct option *opt __maybe_unused, 3778 const char *str __maybe_unused, 3779 int unset __maybe_unused) 3780 { 3781 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0); 3782 itrace_parse_synth_opts(opt, "crewp", 0); 3783 symbol_conf.nanosecs = true; 3784 return 0; 3785 } 3786 3787 int cmd_script(int argc, const char **argv) 3788 { 3789 bool show_full_info = false; 3790 bool header = false; 3791 bool header_only = false; 3792 bool script_started = false; 3793 bool unsorted_dump = false; 3794 char *rec_script_path = NULL; 3795 char *rep_script_path = NULL; 3796 struct perf_session *session; 3797 struct itrace_synth_opts itrace_synth_opts = { 3798 .set = false, 3799 .default_no_sample = true, 3800 }; 3801 struct utsname uts; 3802 char *script_path = NULL; 3803 const char *dlfilter_file = NULL; 3804 const char **__argv; 3805 int i, j, err = 0; 3806 struct perf_script script = { 3807 .tool = { 3808 .sample = process_sample_event, 3809 .mmap = perf_event__process_mmap, 3810 .mmap2 = perf_event__process_mmap2, 3811 .comm = perf_event__process_comm, 3812 .namespaces = perf_event__process_namespaces, 3813 .cgroup = perf_event__process_cgroup, 3814 .exit = perf_event__process_exit, 3815 .fork = perf_event__process_fork, 3816 .attr = process_attr, 3817 .event_update = perf_event__process_event_update, 3818 #ifdef HAVE_LIBTRACEEVENT 3819 .tracing_data = perf_event__process_tracing_data, 3820 #endif 3821 .feature = process_feature_event, 3822 .build_id = perf_event__process_build_id, 3823 .id_index = perf_event__process_id_index, 3824 .auxtrace_info = perf_script__process_auxtrace_info, 3825 .auxtrace = perf_event__process_auxtrace, 3826 .auxtrace_error = perf_event__process_auxtrace_error, 3827 .stat = perf_event__process_stat_event, 3828 .stat_round = process_stat_round_event, 3829 .stat_config = process_stat_config_event, 3830 .thread_map = process_thread_map_event, 3831 .cpu_map = process_cpu_map_event, 3832 .throttle = process_throttle_event, 3833 .unthrottle = process_throttle_event, 3834 .ordered_events = true, 3835 .ordering_requires_timestamps = true, 3836 }, 3837 }; 3838 struct perf_data data = { 3839 .mode = PERF_DATA_MODE_READ, 3840 }; 3841 const struct option options[] = { 3842 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 3843 "dump raw trace in ASCII"), 3844 OPT_BOOLEAN(0, "dump-unsorted-raw-trace", &unsorted_dump, 3845 "dump unsorted raw trace in ASCII"), 3846 OPT_INCR('v', "verbose", &verbose, 3847 "be more verbose (show symbol address, etc)"), 3848 OPT_BOOLEAN('L', "Latency", &latency_format, 3849 "show latency attributes (irqs/preemption disabled, etc)"), 3850 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", 3851 list_available_scripts), 3852 OPT_CALLBACK_NOOPT(0, "list-dlfilters", NULL, NULL, "list available dlfilters", 3853 list_available_dlfilters), 3854 OPT_CALLBACK('s', "script", NULL, "name", 3855 "script file name (lang:script name, script name, or *)", 3856 parse_scriptname), 3857 OPT_STRING('g', "gen-script", &generate_script_lang, "lang", 3858 "generate perf-script.xx script in specified language"), 3859 OPT_STRING(0, "dlfilter", &dlfilter_file, "file", "filter .so file name"), 3860 OPT_CALLBACK(0, "dlarg", NULL, "argument", "filter argument", 3861 add_dlarg), 3862 OPT_STRING('i', "input", &input_name, "file", "input file name"), 3863 OPT_BOOLEAN('d', "debug-mode", &debug_mode, 3864 "do various checks like samples ordering and lost events"), 3865 OPT_BOOLEAN(0, "header", &header, "Show data header."), 3866 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."), 3867 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 3868 "file", "vmlinux pathname"), 3869 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 3870 "file", "kallsyms pathname"), 3871 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, 3872 "When printing symbols do not display call chain"), 3873 OPT_CALLBACK(0, "symfs", NULL, "directory", 3874 "Look for files with symbols relative to this directory", 3875 symbol__config_symfs), 3876 OPT_CALLBACK('F', "fields", NULL, "str", 3877 "comma separated output fields prepend with 'type:'. " 3878 "+field to add and -field to remove." 3879 "Valid types: hw,sw,trace,raw,synth. " 3880 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso," 3881 "addr,symoff,srcline,period,iregs,uregs,brstack," 3882 "brstacksym,flags,data_src,weight,bpf-output,brstackinsn," 3883 "brstackinsnlen,brstackoff,callindent,insn,insnlen,synth," 3884 "phys_addr,metric,misc,srccode,ipc,tod,data_page_size," 3885 "code_page_size,ins_lat,machine_pid,vcpu,cgroup,retire_lat", 3886 parse_output_fields), 3887 OPT_BOOLEAN('a', "all-cpus", &system_wide, 3888 "system-wide collection from all CPUs"), 3889 OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", 3890 "only consider symbols in these DSOs"), 3891 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 3892 "only consider these symbols"), 3893 OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range, 3894 "Use with -S to list traced records within address range"), 3895 OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL, 3896 "Decode instructions from itrace", parse_insn_trace), 3897 OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL, 3898 "Run xed disassembler on output", parse_xed), 3899 OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL, 3900 "Decode calls from itrace", parse_call_trace), 3901 OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL, 3902 "Decode calls and returns from itrace", parse_callret_trace), 3903 OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]", 3904 "Only print symbols and callees with --call-trace/--call-ret-trace"), 3905 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]", 3906 "Stop display of callgraph at these symbols"), 3907 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), 3908 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 3909 "only display events for these comms"), 3910 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 3911 "only consider symbols in these pids"), 3912 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 3913 "only consider symbols in these tids"), 3914 OPT_UINTEGER(0, "max-stack", &scripting_max_stack, 3915 "Set the maximum stack depth when parsing the callchain, " 3916 "anything beyond the specified depth will be ignored. " 3917 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 3918 OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"), 3919 OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"), 3920 OPT_BOOLEAN('I', "show-info", &show_full_info, 3921 "display extended information from perf.data file"), 3922 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, 3923 "Show the path of [kernel.kallsyms]"), 3924 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, 3925 "Show the fork/comm/exit events"), 3926 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, 3927 "Show the mmap events"), 3928 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events, 3929 "Show context switch events (if recorded)"), 3930 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events, 3931 "Show namespace events (if recorded)"), 3932 OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events, 3933 "Show cgroup events (if recorded)"), 3934 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events, 3935 "Show lost events (if recorded)"), 3936 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events, 3937 "Show round events (if recorded)"), 3938 OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events, 3939 "Show bpf related events (if recorded)"), 3940 OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events, 3941 "Show text poke related events (if recorded)"), 3942 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump, 3943 "Dump trace output to files named by the monitored events"), 3944 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 3945 OPT_INTEGER(0, "max-blocks", &max_blocks, 3946 "Maximum number of code blocks to dump with brstackinsn"), 3947 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, 3948 "Use 9 decimal places when displaying time"), 3949 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 3950 "Instruction Tracing options\n" ITRACE_HELP, 3951 itrace_parse_synth_opts), 3952 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 3953 "Show full source file name path for source lines"), 3954 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 3955 "Enable symbol demangling"), 3956 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 3957 "Enable kernel symbol demangling"), 3958 OPT_STRING(0, "time", &script.time_str, "str", 3959 "Time span of interest (start,stop)"), 3960 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 3961 "Show inline function"), 3962 OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory", 3963 "guest mount directory under which every guest os" 3964 " instance has a subdir"), 3965 OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name, 3966 "file", "file saving guest os vmlinux"), 3967 OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms, 3968 "file", "file saving guest os /proc/kallsyms"), 3969 OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules, 3970 "file", "file saving guest os /proc/modules"), 3971 OPT_BOOLEAN(0, "guest-code", &symbol_conf.guest_code, 3972 "Guest code can be found in hypervisor process"), 3973 OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr, 3974 "Enable LBR callgraph stitching approach"), 3975 OPTS_EVSWITCH(&script.evswitch), 3976 OPT_END() 3977 }; 3978 const char * const script_subcommands[] = { "record", "report", NULL }; 3979 const char *script_usage[] = { 3980 "perf script [<options>]", 3981 "perf script [<options>] record <script> [<record-options>] <command>", 3982 "perf script [<options>] report <script> [script-args]", 3983 "perf script [<options>] <script> [<record-options>] <command>", 3984 "perf script [<options>] <top-script> [script-args]", 3985 NULL 3986 }; 3987 3988 perf_set_singlethreaded(); 3989 3990 setup_scripting(); 3991 3992 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage, 3993 PARSE_OPT_STOP_AT_NON_OPTION); 3994 3995 if (symbol_conf.guestmount || 3996 symbol_conf.default_guest_vmlinux_name || 3997 symbol_conf.default_guest_kallsyms || 3998 symbol_conf.default_guest_modules || 3999 symbol_conf.guest_code) { 4000 /* 4001 * Enable guest sample processing. 4002 */ 4003 perf_guest = true; 4004 } 4005 4006 data.path = input_name; 4007 data.force = symbol_conf.force; 4008 4009 if (unsorted_dump) { 4010 dump_trace = true; 4011 script.tool.ordered_events = false; 4012 } 4013 4014 if (symbol__validate_sym_arguments()) 4015 return -1; 4016 4017 if (argc > 1 && strlen(argv[0]) > 2 && strstarts("record", argv[0])) { 4018 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); 4019 if (!rec_script_path) 4020 return cmd_record(argc, argv); 4021 } 4022 4023 if (argc > 1 && strlen(argv[0]) > 2 && strstarts("report", argv[0])) { 4024 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); 4025 if (!rep_script_path) { 4026 fprintf(stderr, 4027 "Please specify a valid report script" 4028 "(see 'perf script -l' for listing)\n"); 4029 return -1; 4030 } 4031 } 4032 4033 if (reltime && deltatime) { 4034 fprintf(stderr, 4035 "reltime and deltatime - the two don't get along well. " 4036 "Please limit to --reltime or --deltatime.\n"); 4037 return -1; 4038 } 4039 4040 if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) && 4041 itrace_synth_opts.callchain_sz > scripting_max_stack) 4042 scripting_max_stack = itrace_synth_opts.callchain_sz; 4043 4044 /* make sure PERF_EXEC_PATH is set for scripts */ 4045 set_argv_exec_path(get_argv_exec_path()); 4046 4047 if (argc && !script_name && !rec_script_path && !rep_script_path) { 4048 int live_pipe[2]; 4049 int rep_args; 4050 pid_t pid; 4051 4052 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); 4053 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); 4054 4055 if (!rec_script_path && !rep_script_path) { 4056 script_name = find_script(argv[0]); 4057 if (script_name) { 4058 argc -= 1; 4059 argv += 1; 4060 goto script_found; 4061 } 4062 usage_with_options_msg(script_usage, options, 4063 "Couldn't find script `%s'\n\n See perf" 4064 " script -l for available scripts.\n", argv[0]); 4065 } 4066 4067 if (is_top_script(argv[0])) { 4068 rep_args = argc - 1; 4069 } else { 4070 int rec_args; 4071 4072 rep_args = has_required_arg(rep_script_path); 4073 rec_args = (argc - 1) - rep_args; 4074 if (rec_args < 0) { 4075 usage_with_options_msg(script_usage, options, 4076 "`%s' script requires options." 4077 "\n\n See perf script -l for available " 4078 "scripts and options.\n", argv[0]); 4079 } 4080 } 4081 4082 if (pipe(live_pipe) < 0) { 4083 perror("failed to create pipe"); 4084 return -1; 4085 } 4086 4087 pid = fork(); 4088 if (pid < 0) { 4089 perror("failed to fork"); 4090 return -1; 4091 } 4092 4093 if (!pid) { 4094 j = 0; 4095 4096 dup2(live_pipe[1], 1); 4097 close(live_pipe[0]); 4098 4099 if (is_top_script(argv[0])) { 4100 system_wide = true; 4101 } else if (!system_wide) { 4102 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { 4103 err = -1; 4104 goto out; 4105 } 4106 } 4107 4108 __argv = malloc((argc + 6) * sizeof(const char *)); 4109 if (!__argv) { 4110 pr_err("malloc failed\n"); 4111 err = -ENOMEM; 4112 goto out; 4113 } 4114 4115 __argv[j++] = "/bin/sh"; 4116 __argv[j++] = rec_script_path; 4117 if (system_wide) 4118 __argv[j++] = "-a"; 4119 __argv[j++] = "-q"; 4120 __argv[j++] = "-o"; 4121 __argv[j++] = "-"; 4122 for (i = rep_args + 1; i < argc; i++) 4123 __argv[j++] = argv[i]; 4124 __argv[j++] = NULL; 4125 4126 execvp("/bin/sh", (char **)__argv); 4127 free(__argv); 4128 exit(-1); 4129 } 4130 4131 dup2(live_pipe[0], 0); 4132 close(live_pipe[1]); 4133 4134 __argv = malloc((argc + 4) * sizeof(const char *)); 4135 if (!__argv) { 4136 pr_err("malloc failed\n"); 4137 err = -ENOMEM; 4138 goto out; 4139 } 4140 4141 j = 0; 4142 __argv[j++] = "/bin/sh"; 4143 __argv[j++] = rep_script_path; 4144 for (i = 1; i < rep_args + 1; i++) 4145 __argv[j++] = argv[i]; 4146 __argv[j++] = "-i"; 4147 __argv[j++] = "-"; 4148 __argv[j++] = NULL; 4149 4150 execvp("/bin/sh", (char **)__argv); 4151 free(__argv); 4152 exit(-1); 4153 } 4154 script_found: 4155 if (rec_script_path) 4156 script_path = rec_script_path; 4157 if (rep_script_path) 4158 script_path = rep_script_path; 4159 4160 if (script_path) { 4161 j = 0; 4162 4163 if (!rec_script_path) 4164 system_wide = false; 4165 else if (!system_wide) { 4166 if (have_cmd(argc - 1, &argv[1]) != 0) { 4167 err = -1; 4168 goto out; 4169 } 4170 } 4171 4172 __argv = malloc((argc + 2) * sizeof(const char *)); 4173 if (!__argv) { 4174 pr_err("malloc failed\n"); 4175 err = -ENOMEM; 4176 goto out; 4177 } 4178 4179 __argv[j++] = "/bin/sh"; 4180 __argv[j++] = script_path; 4181 if (system_wide) 4182 __argv[j++] = "-a"; 4183 for (i = 2; i < argc; i++) 4184 __argv[j++] = argv[i]; 4185 __argv[j++] = NULL; 4186 4187 execvp("/bin/sh", (char **)__argv); 4188 free(__argv); 4189 exit(-1); 4190 } 4191 4192 if (dlfilter_file) { 4193 dlfilter = dlfilter__new(dlfilter_file, dlargc, dlargv); 4194 if (!dlfilter) 4195 return -1; 4196 } 4197 4198 if (!script_name) { 4199 setup_pager(); 4200 use_browser = 0; 4201 } 4202 4203 session = perf_session__new(&data, &script.tool); 4204 if (IS_ERR(session)) 4205 return PTR_ERR(session); 4206 4207 if (header || header_only) { 4208 script.tool.show_feat_hdr = SHOW_FEAT_HEADER; 4209 perf_session__fprintf_info(session, stdout, show_full_info); 4210 if (header_only) 4211 goto out_delete; 4212 } 4213 if (show_full_info) 4214 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 4215 4216 if (symbol__init(&session->header.env) < 0) 4217 goto out_delete; 4218 4219 uname(&uts); 4220 if (data.is_pipe) { /* Assume pipe_mode indicates native_arch */ 4221 native_arch = true; 4222 } else if (session->header.env.arch) { 4223 if (!strcmp(uts.machine, session->header.env.arch)) 4224 native_arch = true; 4225 else if (!strcmp(uts.machine, "x86_64") && 4226 !strcmp(session->header.env.arch, "i386")) 4227 native_arch = true; 4228 } 4229 4230 script.session = session; 4231 script__setup_sample_type(&script); 4232 4233 if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) || 4234 symbol_conf.graph_function) 4235 itrace_synth_opts.thread_stack = true; 4236 4237 session->itrace_synth_opts = &itrace_synth_opts; 4238 4239 if (cpu_list) { 4240 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap); 4241 if (err < 0) 4242 goto out_delete; 4243 itrace_synth_opts.cpu_bitmap = cpu_bitmap; 4244 } 4245 4246 if (!no_callchain) 4247 symbol_conf.use_callchain = true; 4248 else 4249 symbol_conf.use_callchain = false; 4250 4251 #ifdef HAVE_LIBTRACEEVENT 4252 if (session->tevent.pevent && 4253 tep_set_function_resolver(session->tevent.pevent, 4254 machine__resolve_kernel_addr, 4255 &session->machines.host) < 0) { 4256 pr_err("%s: failed to set libtraceevent function resolver\n", __func__); 4257 err = -1; 4258 goto out_delete; 4259 } 4260 #endif 4261 if (generate_script_lang) { 4262 struct stat perf_stat; 4263 int input; 4264 4265 if (output_set_by_user()) { 4266 fprintf(stderr, 4267 "custom fields not supported for generated scripts"); 4268 err = -EINVAL; 4269 goto out_delete; 4270 } 4271 4272 input = open(data.path, O_RDONLY); /* input_name */ 4273 if (input < 0) { 4274 err = -errno; 4275 perror("failed to open file"); 4276 goto out_delete; 4277 } 4278 4279 err = fstat(input, &perf_stat); 4280 if (err < 0) { 4281 perror("failed to stat file"); 4282 goto out_delete; 4283 } 4284 4285 if (!perf_stat.st_size) { 4286 fprintf(stderr, "zero-sized file, nothing to do!\n"); 4287 goto out_delete; 4288 } 4289 4290 scripting_ops = script_spec__lookup(generate_script_lang); 4291 if (!scripting_ops) { 4292 fprintf(stderr, "invalid language specifier"); 4293 err = -ENOENT; 4294 goto out_delete; 4295 } 4296 #ifdef HAVE_LIBTRACEEVENT 4297 err = scripting_ops->generate_script(session->tevent.pevent, 4298 "perf-script"); 4299 #else 4300 err = scripting_ops->generate_script(NULL, "perf-script"); 4301 #endif 4302 goto out_delete; 4303 } 4304 4305 err = dlfilter__start(dlfilter, session); 4306 if (err) 4307 goto out_delete; 4308 4309 if (script_name) { 4310 err = scripting_ops->start_script(script_name, argc, argv, session); 4311 if (err) 4312 goto out_delete; 4313 pr_debug("perf script started with script %s\n\n", script_name); 4314 script_started = true; 4315 } 4316 4317 4318 err = perf_session__check_output_opt(session); 4319 if (err < 0) 4320 goto out_delete; 4321 4322 if (script.time_str) { 4323 err = perf_time__parse_for_ranges_reltime(script.time_str, session, 4324 &script.ptime_range, 4325 &script.range_size, 4326 &script.range_num, 4327 reltime); 4328 if (err < 0) 4329 goto out_delete; 4330 4331 itrace_synth_opts__set_time_range(&itrace_synth_opts, 4332 script.ptime_range, 4333 script.range_num); 4334 } 4335 4336 err = evswitch__init(&script.evswitch, session->evlist, stderr); 4337 if (err) 4338 goto out_delete; 4339 4340 if (zstd_init(&(session->zstd_data), 0) < 0) 4341 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n"); 4342 4343 err = __cmd_script(&script); 4344 4345 flush_scripting(); 4346 4347 out_delete: 4348 if (script.ptime_range) { 4349 itrace_synth_opts__clear_time_range(&itrace_synth_opts); 4350 zfree(&script.ptime_range); 4351 } 4352 4353 zstd_fini(&(session->zstd_data)); 4354 evlist__free_stats(session->evlist); 4355 perf_session__delete(session); 4356 perf_script__exit(&script); 4357 4358 if (script_started) 4359 cleanup_scripting(); 4360 dlfilter__cleanup(dlfilter); 4361 free_dlarg(); 4362 out: 4363 return err; 4364 } 4365