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