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 PERF_OUTPUT_DSOFF = 1ULL << 41, 137 }; 138 139 struct perf_script { 140 struct perf_tool tool; 141 struct perf_session *session; 142 bool show_task_events; 143 bool show_mmap_events; 144 bool show_switch_events; 145 bool show_namespace_events; 146 bool show_lost_events; 147 bool show_round_events; 148 bool show_bpf_events; 149 bool show_cgroup_events; 150 bool show_text_poke_events; 151 bool allocated; 152 bool per_event_dump; 153 bool stitch_lbr; 154 struct evswitch evswitch; 155 struct perf_cpu_map *cpus; 156 struct perf_thread_map *threads; 157 int name_width; 158 const char *time_str; 159 struct perf_time_interval *ptime_range; 160 int range_size; 161 int range_num; 162 }; 163 164 struct output_option { 165 const char *str; 166 enum perf_output_field field; 167 } all_output_options[] = { 168 {.str = "comm", .field = PERF_OUTPUT_COMM}, 169 {.str = "tid", .field = PERF_OUTPUT_TID}, 170 {.str = "pid", .field = PERF_OUTPUT_PID}, 171 {.str = "time", .field = PERF_OUTPUT_TIME}, 172 {.str = "cpu", .field = PERF_OUTPUT_CPU}, 173 {.str = "event", .field = PERF_OUTPUT_EVNAME}, 174 {.str = "trace", .field = PERF_OUTPUT_TRACE}, 175 {.str = "ip", .field = PERF_OUTPUT_IP}, 176 {.str = "sym", .field = PERF_OUTPUT_SYM}, 177 {.str = "dso", .field = PERF_OUTPUT_DSO}, 178 {.str = "dsoff", .field = PERF_OUTPUT_DSOFF}, 179 {.str = "addr", .field = PERF_OUTPUT_ADDR}, 180 {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET}, 181 {.str = "srcline", .field = PERF_OUTPUT_SRCLINE}, 182 {.str = "period", .field = PERF_OUTPUT_PERIOD}, 183 {.str = "iregs", .field = PERF_OUTPUT_IREGS}, 184 {.str = "uregs", .field = PERF_OUTPUT_UREGS}, 185 {.str = "brstack", .field = PERF_OUTPUT_BRSTACK}, 186 {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM}, 187 {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC}, 188 {.str = "weight", .field = PERF_OUTPUT_WEIGHT}, 189 {.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT}, 190 {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT}, 191 {.str = "insn", .field = PERF_OUTPUT_INSN}, 192 {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN}, 193 {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN}, 194 {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF}, 195 {.str = "synth", .field = PERF_OUTPUT_SYNTH}, 196 {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR}, 197 {.str = "metric", .field = PERF_OUTPUT_METRIC}, 198 {.str = "misc", .field = PERF_OUTPUT_MISC}, 199 {.str = "srccode", .field = PERF_OUTPUT_SRCCODE}, 200 {.str = "ipc", .field = PERF_OUTPUT_IPC}, 201 {.str = "tod", .field = PERF_OUTPUT_TOD}, 202 {.str = "data_page_size", .field = PERF_OUTPUT_DATA_PAGE_SIZE}, 203 {.str = "code_page_size", .field = PERF_OUTPUT_CODE_PAGE_SIZE}, 204 {.str = "ins_lat", .field = PERF_OUTPUT_INS_LAT}, 205 {.str = "brstackinsnlen", .field = PERF_OUTPUT_BRSTACKINSNLEN}, 206 {.str = "machine_pid", .field = PERF_OUTPUT_MACHINE_PID}, 207 {.str = "vcpu", .field = PERF_OUTPUT_VCPU}, 208 {.str = "cgroup", .field = PERF_OUTPUT_CGROUP}, 209 {.str = "retire_lat", .field = PERF_OUTPUT_RETIRE_LAT}, 210 }; 211 212 enum { 213 OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX, 214 OUTPUT_TYPE_OTHER, 215 OUTPUT_TYPE_MAX 216 }; 217 218 /* default set to maintain compatibility with current format */ 219 static struct { 220 bool user_set; 221 bool wildcard_set; 222 unsigned int print_ip_opts; 223 u64 fields; 224 u64 invalid_fields; 225 u64 user_set_fields; 226 u64 user_unset_fields; 227 } output[OUTPUT_TYPE_MAX] = { 228 229 [PERF_TYPE_HARDWARE] = { 230 .user_set = false, 231 232 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 233 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 234 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 235 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 236 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 237 238 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 239 }, 240 241 [PERF_TYPE_SOFTWARE] = { 242 .user_set = false, 243 244 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 245 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 246 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 247 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 248 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 249 PERF_OUTPUT_BPF_OUTPUT, 250 251 .invalid_fields = PERF_OUTPUT_TRACE, 252 }, 253 254 [PERF_TYPE_TRACEPOINT] = { 255 .user_set = false, 256 257 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 258 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 259 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE 260 }, 261 262 [PERF_TYPE_HW_CACHE] = { 263 .user_set = false, 264 265 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 266 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 267 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 268 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 269 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 270 271 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 272 }, 273 274 [PERF_TYPE_RAW] = { 275 .user_set = false, 276 277 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 278 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 279 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 280 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 281 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 282 PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC | 283 PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR | 284 PERF_OUTPUT_DATA_PAGE_SIZE | PERF_OUTPUT_CODE_PAGE_SIZE | 285 PERF_OUTPUT_INS_LAT | PERF_OUTPUT_RETIRE_LAT, 286 287 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 288 }, 289 290 [PERF_TYPE_BREAKPOINT] = { 291 .user_set = false, 292 293 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 294 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 295 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 296 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 297 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 298 299 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 300 }, 301 302 [OUTPUT_TYPE_SYNTH] = { 303 .user_set = false, 304 305 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 306 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 307 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 308 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 309 PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH, 310 311 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 312 }, 313 314 [OUTPUT_TYPE_OTHER] = { 315 .user_set = false, 316 317 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 318 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 319 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 320 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 321 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 322 323 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 324 }, 325 }; 326 327 struct evsel_script { 328 char *filename; 329 FILE *fp; 330 u64 samples; 331 /* For metric output */ 332 u64 val; 333 int gnum; 334 }; 335 336 static inline struct evsel_script *evsel_script(struct evsel *evsel) 337 { 338 return (struct evsel_script *)evsel->priv; 339 } 340 341 static struct evsel_script *evsel_script__new(struct evsel *evsel, struct perf_data *data) 342 { 343 struct evsel_script *es = zalloc(sizeof(*es)); 344 345 if (es != NULL) { 346 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0) 347 goto out_free; 348 es->fp = fopen(es->filename, "w"); 349 if (es->fp == NULL) 350 goto out_free_filename; 351 } 352 353 return es; 354 out_free_filename: 355 zfree(&es->filename); 356 out_free: 357 free(es); 358 return NULL; 359 } 360 361 static void evsel_script__delete(struct evsel_script *es) 362 { 363 zfree(&es->filename); 364 fclose(es->fp); 365 es->fp = NULL; 366 free(es); 367 } 368 369 static int evsel_script__fprintf(struct evsel_script *es, FILE *fp) 370 { 371 struct stat st; 372 373 fstat(fileno(es->fp), &st); 374 return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n", 375 st.st_size / 1024.0 / 1024.0, es->filename, es->samples); 376 } 377 378 static inline int output_type(unsigned int type) 379 { 380 switch (type) { 381 case PERF_TYPE_SYNTH: 382 return OUTPUT_TYPE_SYNTH; 383 default: 384 if (type < PERF_TYPE_MAX) 385 return type; 386 } 387 388 return OUTPUT_TYPE_OTHER; 389 } 390 391 static bool output_set_by_user(void) 392 { 393 int j; 394 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 395 if (output[j].user_set) 396 return true; 397 } 398 return false; 399 } 400 401 static const char *output_field2str(enum perf_output_field field) 402 { 403 int i, imax = ARRAY_SIZE(all_output_options); 404 const char *str = ""; 405 406 for (i = 0; i < imax; ++i) { 407 if (all_output_options[i].field == field) { 408 str = all_output_options[i].str; 409 break; 410 } 411 } 412 return str; 413 } 414 415 #define PRINT_FIELD(x) (output[output_type(attr->type)].fields & PERF_OUTPUT_##x) 416 417 static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg, 418 enum perf_output_field field, bool allow_user_set) 419 { 420 struct perf_event_attr *attr = &evsel->core.attr; 421 int type = output_type(attr->type); 422 const char *evname; 423 424 if (attr->sample_type & sample_type) 425 return 0; 426 427 if (output[type].user_set_fields & field) { 428 if (allow_user_set) 429 return 0; 430 evname = evsel__name(evsel); 431 pr_err("Samples for '%s' event do not have %s attribute set. " 432 "Cannot print '%s' field.\n", 433 evname, sample_msg, output_field2str(field)); 434 return -1; 435 } 436 437 /* user did not ask for it explicitly so remove from the default list */ 438 output[type].fields &= ~field; 439 evname = evsel__name(evsel); 440 pr_debug("Samples for '%s' event do not have %s attribute set. " 441 "Skipping '%s' field.\n", 442 evname, sample_msg, output_field2str(field)); 443 444 return 0; 445 } 446 447 static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg, 448 enum perf_output_field field) 449 { 450 return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false); 451 } 452 453 static int evsel__check_attr(struct evsel *evsel, struct perf_session *session) 454 { 455 struct perf_event_attr *attr = &evsel->core.attr; 456 bool allow_user_set; 457 458 if (evsel__is_dummy_event(evsel)) 459 return 0; 460 461 if (perf_header__has_feat(&session->header, HEADER_STAT)) 462 return 0; 463 464 allow_user_set = perf_header__has_feat(&session->header, 465 HEADER_AUXTRACE); 466 467 if (PRINT_FIELD(TRACE) && 468 !perf_session__has_traces(session, "record -R")) 469 return -EINVAL; 470 471 if (PRINT_FIELD(IP)) { 472 if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP)) 473 return -EINVAL; 474 } 475 476 if (PRINT_FIELD(ADDR) && 477 evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set)) 478 return -EINVAL; 479 480 if (PRINT_FIELD(DATA_SRC) && 481 evsel__do_check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC, allow_user_set)) 482 return -EINVAL; 483 484 if (PRINT_FIELD(WEIGHT) && 485 evsel__do_check_stype(evsel, PERF_SAMPLE_WEIGHT_TYPE, "WEIGHT", PERF_OUTPUT_WEIGHT, allow_user_set)) 486 return -EINVAL; 487 488 if (PRINT_FIELD(SYM) && 489 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 490 pr_err("Display of symbols requested but neither sample IP nor " 491 "sample address\navailable. Hence, no addresses to convert " 492 "to symbols.\n"); 493 return -EINVAL; 494 } 495 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) { 496 pr_err("Display of offsets requested but symbol is not" 497 "selected.\n"); 498 return -EINVAL; 499 } 500 if (PRINT_FIELD(DSO) && 501 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 502 pr_err("Display of DSO requested but no address to convert.\n"); 503 return -EINVAL; 504 } 505 if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) { 506 pr_err("Display of source line number requested but sample IP is not\n" 507 "selected. Hence, no address to lookup the source line number.\n"); 508 return -EINVAL; 509 } 510 if ((PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN)) && !allow_user_set && 511 !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) { 512 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n" 513 "Hint: run 'perf record -b ...'\n"); 514 return -EINVAL; 515 } 516 if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) && 517 evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID)) 518 return -EINVAL; 519 520 if (PRINT_FIELD(TIME) && 521 evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME)) 522 return -EINVAL; 523 524 if (PRINT_FIELD(CPU) && 525 evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set)) 526 return -EINVAL; 527 528 if (PRINT_FIELD(IREGS) && 529 evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set)) 530 return -EINVAL; 531 532 if (PRINT_FIELD(UREGS) && 533 evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS)) 534 return -EINVAL; 535 536 if (PRINT_FIELD(PHYS_ADDR) && 537 evsel__do_check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR, allow_user_set)) 538 return -EINVAL; 539 540 if (PRINT_FIELD(DATA_PAGE_SIZE) && 541 evsel__check_stype(evsel, PERF_SAMPLE_DATA_PAGE_SIZE, "DATA_PAGE_SIZE", PERF_OUTPUT_DATA_PAGE_SIZE)) 542 return -EINVAL; 543 544 if (PRINT_FIELD(CODE_PAGE_SIZE) && 545 evsel__check_stype(evsel, PERF_SAMPLE_CODE_PAGE_SIZE, "CODE_PAGE_SIZE", PERF_OUTPUT_CODE_PAGE_SIZE)) 546 return -EINVAL; 547 548 if (PRINT_FIELD(INS_LAT) && 549 evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_INS_LAT)) 550 return -EINVAL; 551 552 if (PRINT_FIELD(CGROUP) && 553 evsel__check_stype(evsel, PERF_SAMPLE_CGROUP, "CGROUP", PERF_OUTPUT_CGROUP)) { 554 pr_err("Hint: run 'perf record --all-cgroups ...'\n"); 555 return -EINVAL; 556 } 557 558 if (PRINT_FIELD(RETIRE_LAT) && 559 evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_RETIRE_LAT)) 560 return -EINVAL; 561 562 return 0; 563 } 564 565 static void set_print_ip_opts(struct perf_event_attr *attr) 566 { 567 unsigned int type = output_type(attr->type); 568 569 output[type].print_ip_opts = 0; 570 if (PRINT_FIELD(IP)) 571 output[type].print_ip_opts |= EVSEL__PRINT_IP; 572 573 if (PRINT_FIELD(SYM)) 574 output[type].print_ip_opts |= EVSEL__PRINT_SYM; 575 576 if (PRINT_FIELD(DSO)) 577 output[type].print_ip_opts |= EVSEL__PRINT_DSO; 578 579 if (PRINT_FIELD(DSOFF)) 580 output[type].print_ip_opts |= EVSEL__PRINT_DSOFF; 581 582 if (PRINT_FIELD(SYMOFFSET)) 583 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET; 584 585 if (PRINT_FIELD(SRCLINE)) 586 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE; 587 } 588 589 static struct evsel *find_first_output_type(struct evlist *evlist, 590 unsigned int type) 591 { 592 struct evsel *evsel; 593 594 evlist__for_each_entry(evlist, evsel) { 595 if (evsel__is_dummy_event(evsel)) 596 continue; 597 if (output_type(evsel->core.attr.type) == (int)type) 598 return evsel; 599 } 600 return NULL; 601 } 602 603 /* 604 * verify all user requested events exist and the samples 605 * have the expected data 606 */ 607 static int perf_session__check_output_opt(struct perf_session *session) 608 { 609 bool tod = false; 610 unsigned int j; 611 struct evsel *evsel; 612 613 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 614 evsel = find_first_output_type(session->evlist, j); 615 616 /* 617 * even if fields is set to 0 (ie., show nothing) event must 618 * exist if user explicitly includes it on the command line 619 */ 620 if (!evsel && output[j].user_set && !output[j].wildcard_set && 621 j != OUTPUT_TYPE_SYNTH) { 622 pr_err("%s events do not exist. " 623 "Remove corresponding -F option to proceed.\n", 624 event_type(j)); 625 return -1; 626 } 627 628 if (evsel && output[j].fields && 629 evsel__check_attr(evsel, session)) 630 return -1; 631 632 if (evsel == NULL) 633 continue; 634 635 /* 'dsoff' implys 'dso' field */ 636 if (output[j].fields & PERF_OUTPUT_DSOFF) 637 output[j].fields |= PERF_OUTPUT_DSO; 638 639 set_print_ip_opts(&evsel->core.attr); 640 tod |= output[j].fields & PERF_OUTPUT_TOD; 641 } 642 643 if (!no_callchain) { 644 bool use_callchain = false; 645 bool not_pipe = false; 646 647 evlist__for_each_entry(session->evlist, evsel) { 648 not_pipe = true; 649 if (evsel__has_callchain(evsel)) { 650 use_callchain = true; 651 break; 652 } 653 } 654 if (not_pipe && !use_callchain) 655 symbol_conf.use_callchain = false; 656 } 657 658 /* 659 * set default for tracepoints to print symbols only 660 * if callchains are present 661 */ 662 if (symbol_conf.use_callchain && 663 !output[PERF_TYPE_TRACEPOINT].user_set) { 664 j = PERF_TYPE_TRACEPOINT; 665 666 evlist__for_each_entry(session->evlist, evsel) { 667 if (evsel->core.attr.type != j) 668 continue; 669 670 if (evsel__has_callchain(evsel)) { 671 output[j].fields |= PERF_OUTPUT_IP; 672 output[j].fields |= PERF_OUTPUT_SYM; 673 output[j].fields |= PERF_OUTPUT_SYMOFFSET; 674 output[j].fields |= PERF_OUTPUT_DSO; 675 set_print_ip_opts(&evsel->core.attr); 676 goto out; 677 } 678 } 679 } 680 681 if (tod && !session->header.env.clock.enabled) { 682 pr_err("Can't provide 'tod' time, missing clock data. " 683 "Please record with -k/--clockid option.\n"); 684 return -1; 685 } 686 out: 687 return 0; 688 } 689 690 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask, const char *arch, 691 FILE *fp) 692 { 693 unsigned i = 0, r; 694 int printed = 0; 695 696 if (!regs || !regs->regs) 697 return 0; 698 699 printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi); 700 701 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) { 702 u64 val = regs->regs[i++]; 703 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r, arch), val); 704 } 705 706 return printed; 707 } 708 709 #define DEFAULT_TOD_FMT "%F %H:%M:%S" 710 711 static char* 712 tod_scnprintf(struct perf_script *script, char *buf, int buflen, 713 u64 timestamp) 714 { 715 u64 tod_ns, clockid_ns; 716 struct perf_env *env; 717 unsigned long nsec; 718 struct tm ltime; 719 char date[64]; 720 time_t sec; 721 722 buf[0] = '\0'; 723 if (buflen < 64 || !script) 724 return buf; 725 726 env = &script->session->header.env; 727 if (!env->clock.enabled) { 728 scnprintf(buf, buflen, "disabled"); 729 return buf; 730 } 731 732 clockid_ns = env->clock.clockid_ns; 733 tod_ns = env->clock.tod_ns; 734 735 if (timestamp > clockid_ns) 736 tod_ns += timestamp - clockid_ns; 737 else 738 tod_ns -= clockid_ns - timestamp; 739 740 sec = (time_t) (tod_ns / NSEC_PER_SEC); 741 nsec = tod_ns - sec * NSEC_PER_SEC; 742 743 if (localtime_r(&sec, <ime) == NULL) { 744 scnprintf(buf, buflen, "failed"); 745 } else { 746 strftime(date, sizeof(date), DEFAULT_TOD_FMT, <ime); 747 748 if (symbol_conf.nanosecs) { 749 snprintf(buf, buflen, "%s.%09lu", date, nsec); 750 } else { 751 snprintf(buf, buflen, "%s.%06lu", 752 date, nsec / NSEC_PER_USEC); 753 } 754 } 755 756 return buf; 757 } 758 759 static int perf_sample__fprintf_iregs(struct perf_sample *sample, 760 struct perf_event_attr *attr, const char *arch, FILE *fp) 761 { 762 return perf_sample__fprintf_regs(&sample->intr_regs, 763 attr->sample_regs_intr, arch, fp); 764 } 765 766 static int perf_sample__fprintf_uregs(struct perf_sample *sample, 767 struct perf_event_attr *attr, const char *arch, FILE *fp) 768 { 769 return perf_sample__fprintf_regs(&sample->user_regs, 770 attr->sample_regs_user, arch, fp); 771 } 772 773 static int perf_sample__fprintf_start(struct perf_script *script, 774 struct perf_sample *sample, 775 struct thread *thread, 776 struct evsel *evsel, 777 u32 type, FILE *fp) 778 { 779 struct perf_event_attr *attr = &evsel->core.attr; 780 unsigned long secs; 781 unsigned long long nsecs; 782 int printed = 0; 783 char tstr[128]; 784 785 if (PRINT_FIELD(MACHINE_PID) && sample->machine_pid) 786 printed += fprintf(fp, "VM:%5d ", sample->machine_pid); 787 788 /* Print VCPU only for guest events i.e. with machine_pid */ 789 if (PRINT_FIELD(VCPU) && sample->machine_pid) 790 printed += fprintf(fp, "VCPU:%03d ", sample->vcpu); 791 792 if (PRINT_FIELD(COMM)) { 793 const char *comm = thread ? thread__comm_str(thread) : ":-1"; 794 795 if (latency_format) 796 printed += fprintf(fp, "%8.8s ", comm); 797 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain) 798 printed += fprintf(fp, "%s ", comm); 799 else 800 printed += fprintf(fp, "%16s ", comm); 801 } 802 803 if (PRINT_FIELD(PID) && PRINT_FIELD(TID)) 804 printed += fprintf(fp, "%7d/%-7d ", sample->pid, sample->tid); 805 else if (PRINT_FIELD(PID)) 806 printed += fprintf(fp, "%7d ", sample->pid); 807 else if (PRINT_FIELD(TID)) 808 printed += fprintf(fp, "%7d ", sample->tid); 809 810 if (PRINT_FIELD(CPU)) { 811 if (latency_format) 812 printed += fprintf(fp, "%3d ", sample->cpu); 813 else 814 printed += fprintf(fp, "[%03d] ", sample->cpu); 815 } 816 817 if (PRINT_FIELD(MISC)) { 818 int ret = 0; 819 820 #define has(m) \ 821 (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m 822 823 if (has(KERNEL)) 824 ret += fprintf(fp, "K"); 825 if (has(USER)) 826 ret += fprintf(fp, "U"); 827 if (has(HYPERVISOR)) 828 ret += fprintf(fp, "H"); 829 if (has(GUEST_KERNEL)) 830 ret += fprintf(fp, "G"); 831 if (has(GUEST_USER)) 832 ret += fprintf(fp, "g"); 833 834 switch (type) { 835 case PERF_RECORD_MMAP: 836 case PERF_RECORD_MMAP2: 837 if (has(MMAP_DATA)) 838 ret += fprintf(fp, "M"); 839 break; 840 case PERF_RECORD_COMM: 841 if (has(COMM_EXEC)) 842 ret += fprintf(fp, "E"); 843 break; 844 case PERF_RECORD_SWITCH: 845 case PERF_RECORD_SWITCH_CPU_WIDE: 846 if (has(SWITCH_OUT)) { 847 ret += fprintf(fp, "S"); 848 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT) 849 ret += fprintf(fp, "p"); 850 } 851 default: 852 break; 853 } 854 855 #undef has 856 857 ret += fprintf(fp, "%*s", 6 - ret, " "); 858 printed += ret; 859 } 860 861 if (PRINT_FIELD(TOD)) { 862 tod_scnprintf(script, tstr, sizeof(tstr), sample->time); 863 printed += fprintf(fp, "%s ", tstr); 864 } 865 866 if (PRINT_FIELD(TIME)) { 867 u64 t = sample->time; 868 if (reltime) { 869 if (!initial_time) 870 initial_time = sample->time; 871 t = sample->time - initial_time; 872 } else if (deltatime) { 873 if (previous_time) 874 t = sample->time - previous_time; 875 else { 876 t = 0; 877 } 878 previous_time = sample->time; 879 } 880 nsecs = t; 881 secs = nsecs / NSEC_PER_SEC; 882 nsecs -= secs * NSEC_PER_SEC; 883 884 if (symbol_conf.nanosecs) 885 printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs); 886 else { 887 char sample_time[32]; 888 timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time)); 889 printed += fprintf(fp, "%12s: ", sample_time); 890 } 891 } 892 893 return printed; 894 } 895 896 static inline char 897 mispred_str(struct branch_entry *br) 898 { 899 if (!(br->flags.mispred || br->flags.predicted)) 900 return '-'; 901 902 return br->flags.predicted ? 'P' : 'M'; 903 } 904 905 static int print_bstack_flags(FILE *fp, struct branch_entry *br) 906 { 907 return fprintf(fp, "/%c/%c/%c/%d/%s/%s ", 908 mispred_str(br), 909 br->flags.in_tx ? 'X' : '-', 910 br->flags.abort ? 'A' : '-', 911 br->flags.cycles, 912 get_branch_type(br), 913 br->flags.spec ? branch_spec_desc(br->flags.spec) : "-"); 914 } 915 916 static int perf_sample__fprintf_brstack(struct perf_sample *sample, 917 struct thread *thread, 918 struct perf_event_attr *attr, FILE *fp) 919 { 920 struct branch_stack *br = sample->branch_stack; 921 struct branch_entry *entries = perf_sample__branch_entries(sample); 922 u64 i, from, to; 923 int printed = 0; 924 925 if (!(br && br->nr)) 926 return 0; 927 928 for (i = 0; i < br->nr; i++) { 929 from = entries[i].from; 930 to = entries[i].to; 931 932 printed += fprintf(fp, " 0x%"PRIx64, from); 933 if (PRINT_FIELD(DSO)) { 934 struct addr_location alf, alt; 935 936 addr_location__init(&alf); 937 addr_location__init(&alt); 938 thread__find_map_fb(thread, sample->cpumode, from, &alf); 939 thread__find_map_fb(thread, sample->cpumode, to, &alt); 940 941 printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp); 942 printed += fprintf(fp, "/0x%"PRIx64, to); 943 printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp); 944 addr_location__exit(&alt); 945 addr_location__exit(&alf); 946 } else 947 printed += fprintf(fp, "/0x%"PRIx64, to); 948 949 printed += print_bstack_flags(fp, entries + i); 950 } 951 952 return printed; 953 } 954 955 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample, 956 struct thread *thread, 957 struct perf_event_attr *attr, FILE *fp) 958 { 959 struct branch_stack *br = sample->branch_stack; 960 struct branch_entry *entries = perf_sample__branch_entries(sample); 961 u64 i, from, to; 962 int printed = 0; 963 964 if (!(br && br->nr)) 965 return 0; 966 967 for (i = 0; i < br->nr; i++) { 968 struct addr_location alf, alt; 969 970 addr_location__init(&alf); 971 addr_location__init(&alt); 972 from = entries[i].from; 973 to = entries[i].to; 974 975 thread__find_symbol_fb(thread, sample->cpumode, from, &alf); 976 thread__find_symbol_fb(thread, sample->cpumode, to, &alt); 977 978 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp); 979 if (PRINT_FIELD(DSO)) 980 printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp); 981 printed += fprintf(fp, "%c", '/'); 982 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp); 983 if (PRINT_FIELD(DSO)) 984 printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp); 985 printed += print_bstack_flags(fp, entries + i); 986 addr_location__exit(&alt); 987 addr_location__exit(&alf); 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 u64 i, from, to; 1000 int printed = 0; 1001 1002 if (!(br && br->nr)) 1003 return 0; 1004 1005 for (i = 0; i < br->nr; i++) { 1006 struct addr_location alf, alt; 1007 1008 addr_location__init(&alf); 1009 addr_location__init(&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 += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp); 1024 printed += fprintf(fp, "/0x%"PRIx64, to); 1025 if (PRINT_FIELD(DSO)) 1026 printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp); 1027 printed += print_bstack_flags(fp, entries + i); 1028 addr_location__exit(&alt); 1029 addr_location__exit(&alf); 1030 } 1031 1032 return printed; 1033 } 1034 #define MAXBB 16384UL 1035 1036 static int grab_bb(u8 *buffer, u64 start, u64 end, 1037 struct machine *machine, struct thread *thread, 1038 bool *is64bit, u8 *cpumode, bool last) 1039 { 1040 long offset, len; 1041 struct addr_location al; 1042 bool kernel; 1043 struct dso *dso; 1044 int ret = 0; 1045 1046 if (!start || !end) 1047 return 0; 1048 1049 kernel = machine__kernel_ip(machine, start); 1050 if (kernel) 1051 *cpumode = PERF_RECORD_MISC_KERNEL; 1052 else 1053 *cpumode = PERF_RECORD_MISC_USER; 1054 1055 /* 1056 * Block overlaps between kernel and user. 1057 * This can happen due to ring filtering 1058 * On Intel CPUs the entry into the kernel is filtered, 1059 * but the exit is not. Let the caller patch it up. 1060 */ 1061 if (kernel != machine__kernel_ip(machine, end)) { 1062 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end); 1063 return -ENXIO; 1064 } 1065 1066 if (end - start > MAXBB - MAXINSN) { 1067 if (last) 1068 pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end); 1069 else 1070 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start); 1071 return 0; 1072 } 1073 1074 addr_location__init(&al); 1075 if (!thread__find_map(thread, *cpumode, start, &al) || (dso = map__dso(al.map)) == NULL) { 1076 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 1077 goto out; 1078 } 1079 if (dso->data.status == DSO_DATA_STATUS_ERROR) { 1080 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 1081 goto out; 1082 } 1083 1084 /* Load maps to ensure dso->is_64_bit has been updated */ 1085 map__load(al.map); 1086 1087 offset = map__map_ip(al.map, start); 1088 len = dso__data_read_offset(dso, machine, offset, (u8 *)buffer, 1089 end - start + MAXINSN); 1090 1091 *is64bit = dso->is_64_bit; 1092 if (len <= 0) 1093 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n", 1094 start, end); 1095 ret = len; 1096 out: 1097 addr_location__exit(&al); 1098 return ret; 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 addr_location__init(&al); 1150 thread__find_map(thread, cpumode, addr, &al); 1151 if (!al.map) 1152 goto out; 1153 ret = map__fprintf_srccode(al.map, al.addr, stdout, 1154 thread__srccode_state(thread)); 1155 if (ret) 1156 ret += printf("\n"); 1157 out: 1158 addr_location__exit(&al); 1159 return ret; 1160 } 1161 1162 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en, 1163 struct perf_insn *x, u8 *inbuf, int len, 1164 int insn, FILE *fp, int *total_cycles, 1165 struct perf_event_attr *attr) 1166 { 1167 int ilen = 0; 1168 int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t", ip, 1169 dump_insn(x, ip, inbuf, len, &ilen)); 1170 1171 if (PRINT_FIELD(BRSTACKINSNLEN)) 1172 printed += fprintf(fp, "ilen: %d\t", ilen); 1173 1174 printed += fprintf(fp, "#%s%s%s%s", 1175 en->flags.predicted ? " PRED" : "", 1176 en->flags.mispred ? " MISPRED" : "", 1177 en->flags.in_tx ? " INTX" : "", 1178 en->flags.abort ? " ABORT" : ""); 1179 if (en->flags.cycles) { 1180 *total_cycles += en->flags.cycles; 1181 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles); 1182 if (insn) 1183 printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles); 1184 } 1185 return printed + fprintf(fp, "\n"); 1186 } 1187 1188 static int ip__fprintf_sym(uint64_t addr, struct thread *thread, 1189 u8 cpumode, int cpu, struct symbol **lastsym, 1190 struct perf_event_attr *attr, FILE *fp) 1191 { 1192 struct addr_location al; 1193 int off, printed = 0, ret = 0; 1194 1195 addr_location__init(&al); 1196 thread__find_map(thread, cpumode, addr, &al); 1197 1198 if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end) 1199 goto out; 1200 1201 al.cpu = cpu; 1202 al.sym = NULL; 1203 if (al.map) 1204 al.sym = map__find_symbol(al.map, al.addr); 1205 1206 if (!al.sym) 1207 goto out; 1208 1209 if (al.addr < al.sym->end) 1210 off = al.addr - al.sym->start; 1211 else 1212 off = al.addr - map__start(al.map) - al.sym->start; 1213 printed += fprintf(fp, "\t%s", al.sym->name); 1214 if (off) 1215 printed += fprintf(fp, "%+d", off); 1216 printed += fprintf(fp, ":"); 1217 if (PRINT_FIELD(SRCLINE)) 1218 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp); 1219 printed += fprintf(fp, "\n"); 1220 *lastsym = al.sym; 1221 1222 ret = printed; 1223 out: 1224 addr_location__exit(&al); 1225 return ret; 1226 } 1227 1228 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample, 1229 struct thread *thread, 1230 struct perf_event_attr *attr, 1231 struct machine *machine, FILE *fp) 1232 { 1233 struct branch_stack *br = sample->branch_stack; 1234 struct branch_entry *entries = perf_sample__branch_entries(sample); 1235 u64 start, end; 1236 int i, insn, len, nr, ilen, printed = 0; 1237 struct perf_insn x; 1238 u8 buffer[MAXBB]; 1239 unsigned off; 1240 struct symbol *lastsym = NULL; 1241 int total_cycles = 0; 1242 1243 if (!(br && br->nr)) 1244 return 0; 1245 nr = br->nr; 1246 if (max_blocks && nr > max_blocks + 1) 1247 nr = max_blocks + 1; 1248 1249 x.thread = thread; 1250 x.cpu = sample->cpu; 1251 1252 printed += fprintf(fp, "%c", '\n'); 1253 1254 /* Handle first from jump, of which we don't know the entry. */ 1255 len = grab_bb(buffer, entries[nr-1].from, 1256 entries[nr-1].from, 1257 machine, thread, &x.is64bit, &x.cpumode, false); 1258 if (len > 0) { 1259 printed += ip__fprintf_sym(entries[nr - 1].from, thread, 1260 x.cpumode, x.cpu, &lastsym, attr, fp); 1261 printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1], 1262 &x, buffer, len, 0, fp, &total_cycles, 1263 attr); 1264 if (PRINT_FIELD(SRCCODE)) 1265 printed += print_srccode(thread, x.cpumode, entries[nr - 1].from); 1266 } 1267 1268 /* Print all blocks */ 1269 for (i = nr - 2; i >= 0; i--) { 1270 if (entries[i].from || entries[i].to) 1271 pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i, 1272 entries[i].from, 1273 entries[i].to); 1274 start = entries[i + 1].to; 1275 end = entries[i].from; 1276 1277 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1278 /* Patch up missing kernel transfers due to ring filters */ 1279 if (len == -ENXIO && i > 0) { 1280 end = entries[--i].from; 1281 pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end); 1282 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1283 } 1284 if (len <= 0) 1285 continue; 1286 1287 insn = 0; 1288 for (off = 0; off < (unsigned)len; off += ilen) { 1289 uint64_t ip = start + off; 1290 1291 printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1292 if (ip == end) { 1293 printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp, 1294 &total_cycles, attr); 1295 if (PRINT_FIELD(SRCCODE)) 1296 printed += print_srccode(thread, x.cpumode, ip); 1297 break; 1298 } else { 1299 ilen = 0; 1300 printed += fprintf(fp, "\t%016" PRIx64 "\t%s", ip, 1301 dump_insn(&x, ip, buffer + off, len - off, &ilen)); 1302 if (PRINT_FIELD(BRSTACKINSNLEN)) 1303 printed += fprintf(fp, "\tilen: %d", ilen); 1304 printed += fprintf(fp, "\n"); 1305 if (ilen == 0) 1306 break; 1307 if (PRINT_FIELD(SRCCODE)) 1308 print_srccode(thread, x.cpumode, ip); 1309 insn++; 1310 } 1311 } 1312 if (off != end - start) 1313 printed += fprintf(fp, "\tmismatch of LBR data and executable\n"); 1314 } 1315 1316 /* 1317 * Hit the branch? In this case we are already done, and the target 1318 * has not been executed yet. 1319 */ 1320 if (entries[0].from == sample->ip) 1321 goto out; 1322 if (entries[0].flags.abort) 1323 goto out; 1324 1325 /* 1326 * Print final block up to sample 1327 * 1328 * Due to pipeline delays the LBRs might be missing a branch 1329 * or two, which can result in very large or negative blocks 1330 * between final branch and sample. When this happens just 1331 * continue walking after the last TO until we hit a branch. 1332 */ 1333 start = entries[0].to; 1334 end = sample->ip; 1335 if (end < start) { 1336 /* Missing jump. Scan 128 bytes for the next branch */ 1337 end = start + 128; 1338 } 1339 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true); 1340 printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1341 if (len <= 0) { 1342 /* Print at least last IP if basic block did not work */ 1343 len = grab_bb(buffer, sample->ip, sample->ip, 1344 machine, thread, &x.is64bit, &x.cpumode, false); 1345 if (len <= 0) 1346 goto out; 1347 ilen = 0; 1348 printed += fprintf(fp, "\t%016" PRIx64 "\t%s", sample->ip, 1349 dump_insn(&x, sample->ip, buffer, len, &ilen)); 1350 if (PRINT_FIELD(BRSTACKINSNLEN)) 1351 printed += fprintf(fp, "\tilen: %d", ilen); 1352 printed += fprintf(fp, "\n"); 1353 if (PRINT_FIELD(SRCCODE)) 1354 print_srccode(thread, x.cpumode, sample->ip); 1355 goto out; 1356 } 1357 for (off = 0; off <= end - start; off += ilen) { 1358 ilen = 0; 1359 printed += fprintf(fp, "\t%016" PRIx64 "\t%s", start + off, 1360 dump_insn(&x, start + off, buffer + off, len - off, &ilen)); 1361 if (PRINT_FIELD(BRSTACKINSNLEN)) 1362 printed += fprintf(fp, "\tilen: %d", ilen); 1363 printed += fprintf(fp, "\n"); 1364 if (ilen == 0) 1365 break; 1366 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) { 1367 /* 1368 * Hit a missing branch. Just stop. 1369 */ 1370 printed += fprintf(fp, "\t... not reaching sample ...\n"); 1371 break; 1372 } 1373 if (PRINT_FIELD(SRCCODE)) 1374 print_srccode(thread, x.cpumode, start + off); 1375 } 1376 out: 1377 return printed; 1378 } 1379 1380 static int perf_sample__fprintf_addr(struct perf_sample *sample, 1381 struct thread *thread, 1382 struct perf_event_attr *attr, FILE *fp) 1383 { 1384 struct addr_location al; 1385 int printed = fprintf(fp, "%16" PRIx64, sample->addr); 1386 1387 addr_location__init(&al); 1388 if (!sample_addr_correlates_sym(attr)) 1389 goto out; 1390 1391 thread__resolve(thread, &al, sample); 1392 1393 if (PRINT_FIELD(SYM)) { 1394 printed += fprintf(fp, " "); 1395 if (PRINT_FIELD(SYMOFFSET)) 1396 printed += symbol__fprintf_symname_offs(al.sym, &al, fp); 1397 else 1398 printed += symbol__fprintf_symname(al.sym, fp); 1399 } 1400 1401 if (PRINT_FIELD(DSO)) 1402 printed += map__fprintf_dsoname_dsoff(al.map, PRINT_FIELD(DSOFF), al.addr, fp); 1403 out: 1404 addr_location__exit(&al); 1405 return printed; 1406 } 1407 1408 static const char *resolve_branch_sym(struct perf_sample *sample, 1409 struct evsel *evsel, 1410 struct thread *thread, 1411 struct addr_location *al, 1412 struct addr_location *addr_al, 1413 u64 *ip) 1414 { 1415 struct perf_event_attr *attr = &evsel->core.attr; 1416 const char *name = NULL; 1417 1418 if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) { 1419 if (sample_addr_correlates_sym(attr)) { 1420 if (!addr_al->thread) 1421 thread__resolve(thread, addr_al, sample); 1422 if (addr_al->sym) 1423 name = addr_al->sym->name; 1424 else 1425 *ip = sample->addr; 1426 } else { 1427 *ip = sample->addr; 1428 } 1429 } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) { 1430 if (al->sym) 1431 name = al->sym->name; 1432 else 1433 *ip = sample->ip; 1434 } 1435 return name; 1436 } 1437 1438 static int perf_sample__fprintf_callindent(struct perf_sample *sample, 1439 struct evsel *evsel, 1440 struct thread *thread, 1441 struct addr_location *al, 1442 struct addr_location *addr_al, 1443 FILE *fp) 1444 { 1445 struct perf_event_attr *attr = &evsel->core.attr; 1446 size_t depth = thread_stack__depth(thread, sample->cpu); 1447 const char *name = NULL; 1448 static int spacing; 1449 int len = 0; 1450 int dlen = 0; 1451 u64 ip = 0; 1452 1453 /* 1454 * The 'return' has already been popped off the stack so the depth has 1455 * to be adjusted to match the 'call'. 1456 */ 1457 if (thread__ts(thread) && sample->flags & PERF_IP_FLAG_RETURN) 1458 depth += 1; 1459 1460 name = resolve_branch_sym(sample, evsel, thread, al, addr_al, &ip); 1461 1462 if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) { 1463 dlen += fprintf(fp, "("); 1464 dlen += map__fprintf_dsoname(al->map, fp); 1465 dlen += fprintf(fp, ")\t"); 1466 } 1467 1468 if (name) 1469 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name); 1470 else if (ip) 1471 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip); 1472 1473 if (len < 0) 1474 return len; 1475 1476 /* 1477 * Try to keep the output length from changing frequently so that the 1478 * output lines up more nicely. 1479 */ 1480 if (len > spacing || (len && len < spacing - 52)) 1481 spacing = round_up(len + 4, 32); 1482 1483 if (len < spacing) 1484 len += fprintf(fp, "%*s", spacing - len, ""); 1485 1486 return len + dlen; 1487 } 1488 1489 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused, 1490 struct thread *thread __maybe_unused, 1491 struct machine *machine __maybe_unused) 1492 { 1493 } 1494 1495 void script_fetch_insn(struct perf_sample *sample, struct thread *thread, 1496 struct machine *machine) 1497 { 1498 if (sample->insn_len == 0 && native_arch) 1499 arch_fetch_insn(sample, thread, machine); 1500 } 1501 1502 static int perf_sample__fprintf_insn(struct perf_sample *sample, 1503 struct perf_event_attr *attr, 1504 struct thread *thread, 1505 struct machine *machine, FILE *fp) 1506 { 1507 int printed = 0; 1508 1509 script_fetch_insn(sample, thread, machine); 1510 1511 if (PRINT_FIELD(INSNLEN)) 1512 printed += fprintf(fp, " ilen: %d", sample->insn_len); 1513 if (PRINT_FIELD(INSN) && sample->insn_len) { 1514 int i; 1515 1516 printed += fprintf(fp, " insn:"); 1517 for (i = 0; i < sample->insn_len; i++) 1518 printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]); 1519 } 1520 if (PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN)) 1521 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp); 1522 1523 return printed; 1524 } 1525 1526 static int perf_sample__fprintf_ipc(struct perf_sample *sample, 1527 struct perf_event_attr *attr, FILE *fp) 1528 { 1529 unsigned int ipc; 1530 1531 if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt) 1532 return 0; 1533 1534 ipc = (sample->insn_cnt * 100) / sample->cyc_cnt; 1535 1536 return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ", 1537 ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt); 1538 } 1539 1540 static int perf_sample__fprintf_bts(struct perf_sample *sample, 1541 struct evsel *evsel, 1542 struct thread *thread, 1543 struct addr_location *al, 1544 struct addr_location *addr_al, 1545 struct machine *machine, FILE *fp) 1546 { 1547 struct perf_event_attr *attr = &evsel->core.attr; 1548 unsigned int type = output_type(attr->type); 1549 bool print_srcline_last = false; 1550 int printed = 0; 1551 1552 if (PRINT_FIELD(CALLINDENT)) 1553 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, addr_al, fp); 1554 1555 /* print branch_from information */ 1556 if (PRINT_FIELD(IP)) { 1557 unsigned int print_opts = output[type].print_ip_opts; 1558 struct callchain_cursor *cursor = NULL; 1559 1560 if (symbol_conf.use_callchain && sample->callchain) { 1561 cursor = get_tls_callchain_cursor(); 1562 if (thread__resolve_callchain(al->thread, cursor, evsel, 1563 sample, NULL, NULL, 1564 scripting_max_stack)) 1565 cursor = NULL; 1566 } 1567 if (cursor == NULL) { 1568 printed += fprintf(fp, " "); 1569 if (print_opts & EVSEL__PRINT_SRCLINE) { 1570 print_srcline_last = true; 1571 print_opts &= ~EVSEL__PRINT_SRCLINE; 1572 } 1573 } else 1574 printed += fprintf(fp, "\n"); 1575 1576 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, 1577 symbol_conf.bt_stop_list, fp); 1578 } 1579 1580 /* print branch_to information */ 1581 if (PRINT_FIELD(ADDR) || 1582 ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 1583 !output[type].user_set)) { 1584 printed += fprintf(fp, " => "); 1585 printed += perf_sample__fprintf_addr(sample, thread, attr, fp); 1586 } 1587 1588 printed += perf_sample__fprintf_ipc(sample, attr, fp); 1589 1590 if (print_srcline_last) 1591 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp); 1592 1593 printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 1594 printed += fprintf(fp, "\n"); 1595 if (PRINT_FIELD(SRCCODE)) { 1596 int ret = map__fprintf_srccode(al->map, al->addr, stdout, 1597 thread__srccode_state(thread)); 1598 if (ret) { 1599 printed += ret; 1600 printed += printf("\n"); 1601 } 1602 } 1603 return printed; 1604 } 1605 1606 static struct { 1607 u32 flags; 1608 const char *name; 1609 } sample_flags[] = { 1610 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"}, 1611 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"}, 1612 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"}, 1613 {PERF_IP_FLAG_BRANCH, "jmp"}, 1614 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"}, 1615 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"}, 1616 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"}, 1617 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"}, 1618 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"}, 1619 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"}, 1620 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"}, 1621 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"}, 1622 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"}, 1623 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMENTRY, "vmentry"}, 1624 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMEXIT, "vmexit"}, 1625 {0, NULL} 1626 }; 1627 1628 static const char *sample_flags_to_name(u32 flags) 1629 { 1630 int i; 1631 1632 for (i = 0; sample_flags[i].name ; i++) { 1633 if (sample_flags[i].flags == flags) 1634 return sample_flags[i].name; 1635 } 1636 1637 return NULL; 1638 } 1639 1640 int perf_sample__sprintf_flags(u32 flags, char *str, size_t sz) 1641 { 1642 u32 xf = PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_INTR_DISABLE | 1643 PERF_IP_FLAG_INTR_TOGGLE; 1644 const char *chars = PERF_IP_FLAG_CHARS; 1645 const size_t n = strlen(PERF_IP_FLAG_CHARS); 1646 const char *name = NULL; 1647 size_t i, pos = 0; 1648 char xs[16] = {0}; 1649 1650 if (flags & xf) 1651 snprintf(xs, sizeof(xs), "(%s%s%s)", 1652 flags & PERF_IP_FLAG_IN_TX ? "x" : "", 1653 flags & PERF_IP_FLAG_INTR_DISABLE ? "D" : "", 1654 flags & PERF_IP_FLAG_INTR_TOGGLE ? "t" : ""); 1655 1656 name = sample_flags_to_name(flags & ~xf); 1657 if (name) 1658 return snprintf(str, sz, "%-15s%6s", name, xs); 1659 1660 if (flags & PERF_IP_FLAG_TRACE_BEGIN) { 1661 name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_BEGIN)); 1662 if (name) 1663 return snprintf(str, sz, "tr strt %-7s%6s", name, xs); 1664 } 1665 1666 if (flags & PERF_IP_FLAG_TRACE_END) { 1667 name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_END)); 1668 if (name) 1669 return snprintf(str, sz, "tr end %-7s%6s", name, xs); 1670 } 1671 1672 for (i = 0; i < n; i++, flags >>= 1) { 1673 if ((flags & 1) && pos < sz) 1674 str[pos++] = chars[i]; 1675 } 1676 for (; i < 32; i++, flags >>= 1) { 1677 if ((flags & 1) && pos < sz) 1678 str[pos++] = '?'; 1679 } 1680 if (pos < sz) 1681 str[pos] = 0; 1682 1683 return pos; 1684 } 1685 1686 static int perf_sample__fprintf_flags(u32 flags, FILE *fp) 1687 { 1688 char str[SAMPLE_FLAGS_BUF_SIZE]; 1689 1690 perf_sample__sprintf_flags(flags, str, sizeof(str)); 1691 return fprintf(fp, " %-21s ", str); 1692 } 1693 1694 struct printer_data { 1695 int line_no; 1696 bool hit_nul; 1697 bool is_printable; 1698 }; 1699 1700 static int sample__fprintf_bpf_output(enum binary_printer_ops op, 1701 unsigned int val, 1702 void *extra, FILE *fp) 1703 { 1704 unsigned char ch = (unsigned char)val; 1705 struct printer_data *printer_data = extra; 1706 int printed = 0; 1707 1708 switch (op) { 1709 case BINARY_PRINT_DATA_BEGIN: 1710 printed += fprintf(fp, "\n"); 1711 break; 1712 case BINARY_PRINT_LINE_BEGIN: 1713 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" : 1714 " "); 1715 break; 1716 case BINARY_PRINT_ADDR: 1717 printed += fprintf(fp, " %04x:", val); 1718 break; 1719 case BINARY_PRINT_NUM_DATA: 1720 printed += fprintf(fp, " %02x", val); 1721 break; 1722 case BINARY_PRINT_NUM_PAD: 1723 printed += fprintf(fp, " "); 1724 break; 1725 case BINARY_PRINT_SEP: 1726 printed += fprintf(fp, " "); 1727 break; 1728 case BINARY_PRINT_CHAR_DATA: 1729 if (printer_data->hit_nul && ch) 1730 printer_data->is_printable = false; 1731 1732 if (!isprint(ch)) { 1733 printed += fprintf(fp, "%c", '.'); 1734 1735 if (!printer_data->is_printable) 1736 break; 1737 1738 if (ch == '\0') 1739 printer_data->hit_nul = true; 1740 else 1741 printer_data->is_printable = false; 1742 } else { 1743 printed += fprintf(fp, "%c", ch); 1744 } 1745 break; 1746 case BINARY_PRINT_CHAR_PAD: 1747 printed += fprintf(fp, " "); 1748 break; 1749 case BINARY_PRINT_LINE_END: 1750 printed += fprintf(fp, "\n"); 1751 printer_data->line_no++; 1752 break; 1753 case BINARY_PRINT_DATA_END: 1754 default: 1755 break; 1756 } 1757 1758 return printed; 1759 } 1760 1761 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp) 1762 { 1763 unsigned int nr_bytes = sample->raw_size; 1764 struct printer_data printer_data = {0, false, true}; 1765 int printed = binary__fprintf(sample->raw_data, nr_bytes, 8, 1766 sample__fprintf_bpf_output, &printer_data, fp); 1767 1768 if (printer_data.is_printable && printer_data.hit_nul) 1769 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data)); 1770 1771 return printed; 1772 } 1773 1774 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp) 1775 { 1776 if (len > 0 && len < spacing) 1777 return fprintf(fp, "%*s", spacing - len, ""); 1778 1779 return 0; 1780 } 1781 1782 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp) 1783 { 1784 return perf_sample__fprintf_spacing(len, 34, fp); 1785 } 1786 1787 /* If a value contains only printable ASCII characters padded with NULLs */ 1788 static bool ptw_is_prt(u64 val) 1789 { 1790 char c; 1791 u32 i; 1792 1793 for (i = 0; i < sizeof(val); i++) { 1794 c = ((char *)&val)[i]; 1795 if (!c) 1796 break; 1797 if (!isprint(c) || !isascii(c)) 1798 return false; 1799 } 1800 for (; i < sizeof(val); i++) { 1801 c = ((char *)&val)[i]; 1802 if (c) 1803 return false; 1804 } 1805 return true; 1806 } 1807 1808 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp) 1809 { 1810 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample); 1811 char str[sizeof(u64) + 1] = ""; 1812 int len; 1813 u64 val; 1814 1815 if (perf_sample__bad_synth_size(sample, *data)) 1816 return 0; 1817 1818 val = le64_to_cpu(data->payload); 1819 if (ptw_is_prt(val)) { 1820 memcpy(str, &val, sizeof(val)); 1821 str[sizeof(val)] = 0; 1822 } 1823 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " %s ", 1824 data->ip, val, str); 1825 return len + perf_sample__fprintf_pt_spacing(len, fp); 1826 } 1827 1828 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp) 1829 { 1830 struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample); 1831 int len; 1832 1833 if (perf_sample__bad_synth_size(sample, *data)) 1834 return 0; 1835 1836 len = fprintf(fp, " hints: %#x extensions: %#x ", 1837 data->hints, data->extensions); 1838 return len + perf_sample__fprintf_pt_spacing(len, fp); 1839 } 1840 1841 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp) 1842 { 1843 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample); 1844 int len; 1845 1846 if (perf_sample__bad_synth_size(sample, *data)) 1847 return 0; 1848 1849 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ", 1850 data->hw, data->cstate, data->subcstate); 1851 return len + perf_sample__fprintf_pt_spacing(len, fp); 1852 } 1853 1854 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp) 1855 { 1856 struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample); 1857 int len; 1858 1859 if (perf_sample__bad_synth_size(sample, *data)) 1860 return 0; 1861 1862 len = fprintf(fp, " IP: %u ", data->ip); 1863 return len + perf_sample__fprintf_pt_spacing(len, fp); 1864 } 1865 1866 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp) 1867 { 1868 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample); 1869 int len; 1870 1871 if (perf_sample__bad_synth_size(sample, *data)) 1872 return 0; 1873 1874 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ", 1875 data->deepest_cstate, data->last_cstate, 1876 data->wake_reason); 1877 return len + perf_sample__fprintf_pt_spacing(len, fp); 1878 } 1879 1880 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp) 1881 { 1882 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample); 1883 unsigned int percent, freq; 1884 int len; 1885 1886 if (perf_sample__bad_synth_size(sample, *data)) 1887 return 0; 1888 1889 freq = (le32_to_cpu(data->freq) + 500) / 1000; 1890 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq); 1891 if (data->max_nonturbo) { 1892 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10; 1893 len += fprintf(fp, "(%3u%%) ", percent); 1894 } 1895 return len + perf_sample__fprintf_pt_spacing(len, fp); 1896 } 1897 1898 static int perf_sample__fprintf_synth_psb(struct perf_sample *sample, FILE *fp) 1899 { 1900 struct perf_synth_intel_psb *data = perf_sample__synth_ptr(sample); 1901 int len; 1902 1903 if (perf_sample__bad_synth_size(sample, *data)) 1904 return 0; 1905 1906 len = fprintf(fp, " psb offs: %#" PRIx64, data->offset); 1907 return len + perf_sample__fprintf_pt_spacing(len, fp); 1908 } 1909 1910 /* Intel PT Event Trace */ 1911 static int perf_sample__fprintf_synth_evt(struct perf_sample *sample, FILE *fp) 1912 { 1913 struct perf_synth_intel_evt *data = perf_sample__synth_ptr(sample); 1914 const char *cfe[32] = {NULL, "INTR", "IRET", "SMI", "RSM", "SIPI", 1915 "INIT", "VMENTRY", "VMEXIT", "VMEXIT_INTR", 1916 "SHUTDOWN", NULL, "UINTR", "UIRET"}; 1917 const char *evd[64] = {"PFA", "VMXQ", "VMXR"}; 1918 const char *s; 1919 int len, i; 1920 1921 if (perf_sample__bad_synth_size(sample, *data)) 1922 return 0; 1923 1924 s = cfe[data->type]; 1925 if (s) { 1926 len = fprintf(fp, " cfe: %s IP: %d vector: %u", 1927 s, data->ip, data->vector); 1928 } else { 1929 len = fprintf(fp, " cfe: %u IP: %d vector: %u", 1930 data->type, data->ip, data->vector); 1931 } 1932 for (i = 0; i < data->evd_cnt; i++) { 1933 unsigned int et = data->evd[i].evd_type & 0x3f; 1934 1935 s = evd[et]; 1936 if (s) { 1937 len += fprintf(fp, " %s: %#" PRIx64, 1938 s, data->evd[i].payload); 1939 } else { 1940 len += fprintf(fp, " EVD_%u: %#" PRIx64, 1941 et, data->evd[i].payload); 1942 } 1943 } 1944 return len + perf_sample__fprintf_pt_spacing(len, fp); 1945 } 1946 1947 static int perf_sample__fprintf_synth_iflag_chg(struct perf_sample *sample, FILE *fp) 1948 { 1949 struct perf_synth_intel_iflag_chg *data = perf_sample__synth_ptr(sample); 1950 int len; 1951 1952 if (perf_sample__bad_synth_size(sample, *data)) 1953 return 0; 1954 1955 len = fprintf(fp, " IFLAG: %d->%d %s branch", !data->iflag, data->iflag, 1956 data->via_branch ? "via" : "non"); 1957 return len + perf_sample__fprintf_pt_spacing(len, fp); 1958 } 1959 1960 static int perf_sample__fprintf_synth(struct perf_sample *sample, 1961 struct evsel *evsel, FILE *fp) 1962 { 1963 switch (evsel->core.attr.config) { 1964 case PERF_SYNTH_INTEL_PTWRITE: 1965 return perf_sample__fprintf_synth_ptwrite(sample, fp); 1966 case PERF_SYNTH_INTEL_MWAIT: 1967 return perf_sample__fprintf_synth_mwait(sample, fp); 1968 case PERF_SYNTH_INTEL_PWRE: 1969 return perf_sample__fprintf_synth_pwre(sample, fp); 1970 case PERF_SYNTH_INTEL_EXSTOP: 1971 return perf_sample__fprintf_synth_exstop(sample, fp); 1972 case PERF_SYNTH_INTEL_PWRX: 1973 return perf_sample__fprintf_synth_pwrx(sample, fp); 1974 case PERF_SYNTH_INTEL_CBR: 1975 return perf_sample__fprintf_synth_cbr(sample, fp); 1976 case PERF_SYNTH_INTEL_PSB: 1977 return perf_sample__fprintf_synth_psb(sample, fp); 1978 case PERF_SYNTH_INTEL_EVT: 1979 return perf_sample__fprintf_synth_evt(sample, fp); 1980 case PERF_SYNTH_INTEL_IFLAG_CHG: 1981 return perf_sample__fprintf_synth_iflag_chg(sample, fp); 1982 default: 1983 break; 1984 } 1985 1986 return 0; 1987 } 1988 1989 static int evlist__max_name_len(struct evlist *evlist) 1990 { 1991 struct evsel *evsel; 1992 int max = 0; 1993 1994 evlist__for_each_entry(evlist, evsel) { 1995 int len = strlen(evsel__name(evsel)); 1996 1997 max = MAX(len, max); 1998 } 1999 2000 return max; 2001 } 2002 2003 static int data_src__fprintf(u64 data_src, FILE *fp) 2004 { 2005 struct mem_info mi = { .data_src.val = data_src }; 2006 char decode[100]; 2007 char out[100]; 2008 static int maxlen; 2009 int len; 2010 2011 perf_script__meminfo_scnprintf(decode, 100, &mi); 2012 2013 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode); 2014 if (maxlen < len) 2015 maxlen = len; 2016 2017 return fprintf(fp, "%-*s", maxlen, out); 2018 } 2019 2020 struct metric_ctx { 2021 struct perf_sample *sample; 2022 struct thread *thread; 2023 struct evsel *evsel; 2024 FILE *fp; 2025 }; 2026 2027 static void script_print_metric(struct perf_stat_config *config __maybe_unused, 2028 void *ctx, const char *color, 2029 const char *fmt, 2030 const char *unit, double val) 2031 { 2032 struct metric_ctx *mctx = ctx; 2033 2034 if (!fmt) 2035 return; 2036 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, 2037 PERF_RECORD_SAMPLE, mctx->fp); 2038 fputs("\tmetric: ", mctx->fp); 2039 if (color) 2040 color_fprintf(mctx->fp, color, fmt, val); 2041 else 2042 printf(fmt, val); 2043 fprintf(mctx->fp, " %s\n", unit); 2044 } 2045 2046 static void script_new_line(struct perf_stat_config *config __maybe_unused, 2047 void *ctx) 2048 { 2049 struct metric_ctx *mctx = ctx; 2050 2051 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, 2052 PERF_RECORD_SAMPLE, mctx->fp); 2053 fputs("\tmetric: ", mctx->fp); 2054 } 2055 2056 static void perf_sample__fprint_metric(struct perf_script *script, 2057 struct thread *thread, 2058 struct evsel *evsel, 2059 struct perf_sample *sample, 2060 FILE *fp) 2061 { 2062 struct evsel *leader = evsel__leader(evsel); 2063 struct perf_stat_output_ctx ctx = { 2064 .print_metric = script_print_metric, 2065 .new_line = script_new_line, 2066 .ctx = &(struct metric_ctx) { 2067 .sample = sample, 2068 .thread = thread, 2069 .evsel = evsel, 2070 .fp = fp, 2071 }, 2072 .force_header = false, 2073 }; 2074 struct evsel *ev2; 2075 u64 val; 2076 2077 if (!evsel->stats) 2078 evlist__alloc_stats(&stat_config, script->session->evlist, /*alloc_raw=*/false); 2079 if (evsel_script(leader)->gnum++ == 0) 2080 perf_stat__reset_shadow_stats(); 2081 val = sample->period * evsel->scale; 2082 evsel_script(evsel)->val = val; 2083 if (evsel_script(leader)->gnum == leader->core.nr_members) { 2084 for_each_group_member (ev2, leader) { 2085 perf_stat__print_shadow_stats(&stat_config, ev2, 2086 evsel_script(ev2)->val, 2087 sample->cpu, 2088 &ctx, 2089 NULL); 2090 } 2091 evsel_script(leader)->gnum = 0; 2092 } 2093 } 2094 2095 static bool show_event(struct perf_sample *sample, 2096 struct evsel *evsel, 2097 struct thread *thread, 2098 struct addr_location *al, 2099 struct addr_location *addr_al) 2100 { 2101 int depth = thread_stack__depth(thread, sample->cpu); 2102 2103 if (!symbol_conf.graph_function) 2104 return true; 2105 2106 if (thread__filter(thread)) { 2107 if (depth <= thread__filter_entry_depth(thread)) { 2108 thread__set_filter(thread, false); 2109 return false; 2110 } 2111 return true; 2112 } else { 2113 const char *s = symbol_conf.graph_function; 2114 u64 ip; 2115 const char *name = resolve_branch_sym(sample, evsel, thread, al, addr_al, 2116 &ip); 2117 unsigned nlen; 2118 2119 if (!name) 2120 return false; 2121 nlen = strlen(name); 2122 while (*s) { 2123 unsigned len = strcspn(s, ","); 2124 if (nlen == len && !strncmp(name, s, len)) { 2125 thread__set_filter(thread, true); 2126 thread__set_filter_entry_depth(thread, depth); 2127 return true; 2128 } 2129 s += len; 2130 if (*s == ',') 2131 s++; 2132 } 2133 return false; 2134 } 2135 } 2136 2137 static void process_event(struct perf_script *script, 2138 struct perf_sample *sample, struct evsel *evsel, 2139 struct addr_location *al, 2140 struct addr_location *addr_al, 2141 struct machine *machine) 2142 { 2143 struct thread *thread = al->thread; 2144 struct perf_event_attr *attr = &evsel->core.attr; 2145 unsigned int type = output_type(attr->type); 2146 struct evsel_script *es = evsel->priv; 2147 FILE *fp = es->fp; 2148 char str[PAGE_SIZE_NAME_LEN]; 2149 const char *arch = perf_env__arch(machine->env); 2150 2151 if (output[type].fields == 0) 2152 return; 2153 2154 ++es->samples; 2155 2156 perf_sample__fprintf_start(script, sample, thread, evsel, 2157 PERF_RECORD_SAMPLE, fp); 2158 2159 if (PRINT_FIELD(PERIOD)) 2160 fprintf(fp, "%10" PRIu64 " ", sample->period); 2161 2162 if (PRINT_FIELD(EVNAME)) { 2163 const char *evname = evsel__name(evsel); 2164 2165 if (!script->name_width) 2166 script->name_width = evlist__max_name_len(script->session->evlist); 2167 2168 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]"); 2169 } 2170 2171 if (print_flags) 2172 perf_sample__fprintf_flags(sample->flags, fp); 2173 2174 if (is_bts_event(attr)) { 2175 perf_sample__fprintf_bts(sample, evsel, thread, al, addr_al, machine, fp); 2176 return; 2177 } 2178 #ifdef HAVE_LIBTRACEEVENT 2179 if (PRINT_FIELD(TRACE) && sample->raw_data) { 2180 event_format__fprintf(evsel->tp_format, sample->cpu, 2181 sample->raw_data, sample->raw_size, fp); 2182 } 2183 #endif 2184 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH)) 2185 perf_sample__fprintf_synth(sample, evsel, fp); 2186 2187 if (PRINT_FIELD(ADDR)) 2188 perf_sample__fprintf_addr(sample, thread, attr, fp); 2189 2190 if (PRINT_FIELD(DATA_SRC)) 2191 data_src__fprintf(sample->data_src, fp); 2192 2193 if (PRINT_FIELD(WEIGHT)) 2194 fprintf(fp, "%16" PRIu64, sample->weight); 2195 2196 if (PRINT_FIELD(INS_LAT)) 2197 fprintf(fp, "%16" PRIu16, sample->ins_lat); 2198 2199 if (PRINT_FIELD(RETIRE_LAT)) 2200 fprintf(fp, "%16" PRIu16, sample->retire_lat); 2201 2202 if (PRINT_FIELD(IP)) { 2203 struct callchain_cursor *cursor = NULL; 2204 2205 if (script->stitch_lbr) 2206 thread__set_lbr_stitch_enable(al->thread, true); 2207 2208 if (symbol_conf.use_callchain && sample->callchain) { 2209 cursor = get_tls_callchain_cursor(); 2210 if (thread__resolve_callchain(al->thread, cursor, evsel, 2211 sample, NULL, NULL, 2212 scripting_max_stack)) 2213 cursor = NULL; 2214 } 2215 fputc(cursor ? '\n' : ' ', fp); 2216 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, 2217 symbol_conf.bt_stop_list, fp); 2218 } 2219 2220 if (PRINT_FIELD(IREGS)) 2221 perf_sample__fprintf_iregs(sample, attr, arch, fp); 2222 2223 if (PRINT_FIELD(UREGS)) 2224 perf_sample__fprintf_uregs(sample, attr, arch, fp); 2225 2226 if (PRINT_FIELD(BRSTACK)) 2227 perf_sample__fprintf_brstack(sample, thread, attr, fp); 2228 else if (PRINT_FIELD(BRSTACKSYM)) 2229 perf_sample__fprintf_brstacksym(sample, thread, attr, fp); 2230 else if (PRINT_FIELD(BRSTACKOFF)) 2231 perf_sample__fprintf_brstackoff(sample, thread, attr, fp); 2232 2233 if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT)) 2234 perf_sample__fprintf_bpf_output(sample, fp); 2235 perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 2236 2237 if (PRINT_FIELD(PHYS_ADDR)) 2238 fprintf(fp, "%16" PRIx64, sample->phys_addr); 2239 2240 if (PRINT_FIELD(DATA_PAGE_SIZE)) 2241 fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str)); 2242 2243 if (PRINT_FIELD(CODE_PAGE_SIZE)) 2244 fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str)); 2245 2246 if (PRINT_FIELD(CGROUP)) { 2247 const char *cgrp_name; 2248 struct cgroup *cgrp = cgroup__find(machine->env, 2249 sample->cgroup); 2250 if (cgrp != NULL) 2251 cgrp_name = cgrp->name; 2252 else 2253 cgrp_name = "unknown"; 2254 fprintf(fp, " %s", cgrp_name); 2255 } 2256 2257 perf_sample__fprintf_ipc(sample, attr, fp); 2258 2259 fprintf(fp, "\n"); 2260 2261 if (PRINT_FIELD(SRCCODE)) { 2262 if (map__fprintf_srccode(al->map, al->addr, stdout, 2263 thread__srccode_state(thread))) 2264 printf("\n"); 2265 } 2266 2267 if (PRINT_FIELD(METRIC)) 2268 perf_sample__fprint_metric(script, thread, evsel, sample, fp); 2269 2270 if (verbose > 0) 2271 fflush(fp); 2272 } 2273 2274 static struct scripting_ops *scripting_ops; 2275 2276 static void __process_stat(struct evsel *counter, u64 tstamp) 2277 { 2278 int nthreads = perf_thread_map__nr(counter->core.threads); 2279 int idx, thread; 2280 struct perf_cpu cpu; 2281 static int header_printed; 2282 2283 if (!header_printed) { 2284 printf("%3s %8s %15s %15s %15s %15s %s\n", 2285 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT"); 2286 header_printed = 1; 2287 } 2288 2289 for (thread = 0; thread < nthreads; thread++) { 2290 perf_cpu_map__for_each_cpu(cpu, idx, evsel__cpus(counter)) { 2291 struct perf_counts_values *counts; 2292 2293 counts = perf_counts(counter->counts, idx, thread); 2294 2295 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n", 2296 cpu.cpu, 2297 perf_thread_map__pid(counter->core.threads, thread), 2298 counts->val, 2299 counts->ena, 2300 counts->run, 2301 tstamp, 2302 evsel__name(counter)); 2303 } 2304 } 2305 } 2306 2307 static void process_stat(struct evsel *counter, u64 tstamp) 2308 { 2309 if (scripting_ops && scripting_ops->process_stat) 2310 scripting_ops->process_stat(&stat_config, counter, tstamp); 2311 else 2312 __process_stat(counter, tstamp); 2313 } 2314 2315 static void process_stat_interval(u64 tstamp) 2316 { 2317 if (scripting_ops && scripting_ops->process_stat_interval) 2318 scripting_ops->process_stat_interval(tstamp); 2319 } 2320 2321 static void setup_scripting(void) 2322 { 2323 #ifdef HAVE_LIBTRACEEVENT 2324 setup_perl_scripting(); 2325 #endif 2326 setup_python_scripting(); 2327 } 2328 2329 static int flush_scripting(void) 2330 { 2331 return scripting_ops ? scripting_ops->flush_script() : 0; 2332 } 2333 2334 static int cleanup_scripting(void) 2335 { 2336 pr_debug("\nperf script stopped\n"); 2337 2338 return scripting_ops ? scripting_ops->stop_script() : 0; 2339 } 2340 2341 static bool filter_cpu(struct perf_sample *sample) 2342 { 2343 if (cpu_list && sample->cpu != (u32)-1) 2344 return !test_bit(sample->cpu, cpu_bitmap); 2345 return false; 2346 } 2347 2348 static int process_sample_event(struct perf_tool *tool, 2349 union perf_event *event, 2350 struct perf_sample *sample, 2351 struct evsel *evsel, 2352 struct machine *machine) 2353 { 2354 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2355 struct addr_location al; 2356 struct addr_location addr_al; 2357 int ret = 0; 2358 2359 /* Set thread to NULL to indicate addr_al and al are not initialized */ 2360 addr_location__init(&al); 2361 addr_location__init(&addr_al); 2362 2363 ret = dlfilter__filter_event_early(dlfilter, event, sample, evsel, machine, &al, &addr_al); 2364 if (ret) { 2365 if (ret > 0) 2366 ret = 0; 2367 goto out_put; 2368 } 2369 2370 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num, 2371 sample->time)) { 2372 goto out_put; 2373 } 2374 2375 if (debug_mode) { 2376 if (sample->time < last_timestamp) { 2377 pr_err("Samples misordered, previous: %" PRIu64 2378 " this: %" PRIu64 "\n", last_timestamp, 2379 sample->time); 2380 nr_unordered++; 2381 } 2382 last_timestamp = sample->time; 2383 goto out_put; 2384 } 2385 2386 if (filter_cpu(sample)) 2387 goto out_put; 2388 2389 if (!al.thread && machine__resolve(machine, &al, sample) < 0) { 2390 pr_err("problem processing %d event, skipping it.\n", 2391 event->header.type); 2392 ret = -1; 2393 goto out_put; 2394 } 2395 2396 if (al.filtered) 2397 goto out_put; 2398 2399 if (!show_event(sample, evsel, al.thread, &al, &addr_al)) 2400 goto out_put; 2401 2402 if (evswitch__discard(&scr->evswitch, evsel)) 2403 goto out_put; 2404 2405 ret = dlfilter__filter_event(dlfilter, event, sample, evsel, machine, &al, &addr_al); 2406 if (ret) { 2407 if (ret > 0) 2408 ret = 0; 2409 goto out_put; 2410 } 2411 2412 if (scripting_ops) { 2413 struct addr_location *addr_al_ptr = NULL; 2414 2415 if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 2416 sample_addr_correlates_sym(&evsel->core.attr)) { 2417 if (!addr_al.thread) 2418 thread__resolve(al.thread, &addr_al, sample); 2419 addr_al_ptr = &addr_al; 2420 } 2421 scripting_ops->process_event(event, sample, evsel, &al, addr_al_ptr); 2422 } else { 2423 process_event(scr, sample, evsel, &al, &addr_al, machine); 2424 } 2425 2426 out_put: 2427 addr_location__exit(&addr_al); 2428 addr_location__exit(&al); 2429 return ret; 2430 } 2431 2432 // Used when scr->per_event_dump is not set 2433 static struct evsel_script es_stdout; 2434 2435 static int process_attr(struct perf_tool *tool, union perf_event *event, 2436 struct evlist **pevlist) 2437 { 2438 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2439 struct evlist *evlist; 2440 struct evsel *evsel, *pos; 2441 u64 sample_type; 2442 int err; 2443 2444 err = perf_event__process_attr(tool, event, pevlist); 2445 if (err) 2446 return err; 2447 2448 evlist = *pevlist; 2449 evsel = evlist__last(*pevlist); 2450 2451 if (!evsel->priv) { 2452 if (scr->per_event_dump) { 2453 evsel->priv = evsel_script__new(evsel, scr->session->data); 2454 if (!evsel->priv) 2455 return -ENOMEM; 2456 } else { // Replicate what is done in perf_script__setup_per_event_dump() 2457 es_stdout.fp = stdout; 2458 evsel->priv = &es_stdout; 2459 } 2460 } 2461 2462 if (evsel->core.attr.type >= PERF_TYPE_MAX && 2463 evsel->core.attr.type != PERF_TYPE_SYNTH) 2464 return 0; 2465 2466 evlist__for_each_entry(evlist, pos) { 2467 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel) 2468 return 0; 2469 } 2470 2471 if (evsel->core.attr.sample_type) { 2472 err = evsel__check_attr(evsel, scr->session); 2473 if (err) 2474 return err; 2475 } 2476 2477 /* 2478 * Check if we need to enable callchains based 2479 * on events sample_type. 2480 */ 2481 sample_type = evlist__combined_sample_type(evlist); 2482 callchain_param_setup(sample_type, perf_env__arch((*pevlist)->env)); 2483 2484 /* Enable fields for callchain entries */ 2485 if (symbol_conf.use_callchain && 2486 (sample_type & PERF_SAMPLE_CALLCHAIN || 2487 sample_type & PERF_SAMPLE_BRANCH_STACK || 2488 (sample_type & PERF_SAMPLE_REGS_USER && 2489 sample_type & PERF_SAMPLE_STACK_USER))) { 2490 int type = output_type(evsel->core.attr.type); 2491 2492 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP)) 2493 output[type].fields |= PERF_OUTPUT_IP; 2494 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM)) 2495 output[type].fields |= PERF_OUTPUT_SYM; 2496 } 2497 set_print_ip_opts(&evsel->core.attr); 2498 return 0; 2499 } 2500 2501 static int print_event_with_time(struct perf_tool *tool, 2502 union perf_event *event, 2503 struct perf_sample *sample, 2504 struct machine *machine, 2505 pid_t pid, pid_t tid, u64 timestamp) 2506 { 2507 struct perf_script *script = container_of(tool, struct perf_script, tool); 2508 struct perf_session *session = script->session; 2509 struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id); 2510 struct thread *thread = NULL; 2511 2512 if (evsel && !evsel->core.attr.sample_id_all) { 2513 sample->cpu = 0; 2514 sample->time = timestamp; 2515 sample->pid = pid; 2516 sample->tid = tid; 2517 } 2518 2519 if (filter_cpu(sample)) 2520 return 0; 2521 2522 if (tid != -1) 2523 thread = machine__findnew_thread(machine, pid, tid); 2524 2525 if (evsel) { 2526 perf_sample__fprintf_start(script, sample, thread, evsel, 2527 event->header.type, stdout); 2528 } 2529 2530 perf_event__fprintf(event, machine, stdout); 2531 2532 thread__put(thread); 2533 2534 return 0; 2535 } 2536 2537 static int print_event(struct perf_tool *tool, union perf_event *event, 2538 struct perf_sample *sample, struct machine *machine, 2539 pid_t pid, pid_t tid) 2540 { 2541 return print_event_with_time(tool, event, sample, machine, pid, tid, 0); 2542 } 2543 2544 static int process_comm_event(struct perf_tool *tool, 2545 union perf_event *event, 2546 struct perf_sample *sample, 2547 struct machine *machine) 2548 { 2549 if (perf_event__process_comm(tool, event, sample, machine) < 0) 2550 return -1; 2551 2552 return print_event(tool, event, sample, machine, event->comm.pid, 2553 event->comm.tid); 2554 } 2555 2556 static int process_namespaces_event(struct perf_tool *tool, 2557 union perf_event *event, 2558 struct perf_sample *sample, 2559 struct machine *machine) 2560 { 2561 if (perf_event__process_namespaces(tool, event, sample, machine) < 0) 2562 return -1; 2563 2564 return print_event(tool, event, sample, machine, event->namespaces.pid, 2565 event->namespaces.tid); 2566 } 2567 2568 static int process_cgroup_event(struct perf_tool *tool, 2569 union perf_event *event, 2570 struct perf_sample *sample, 2571 struct machine *machine) 2572 { 2573 if (perf_event__process_cgroup(tool, event, sample, machine) < 0) 2574 return -1; 2575 2576 return print_event(tool, event, sample, machine, sample->pid, 2577 sample->tid); 2578 } 2579 2580 static int process_fork_event(struct perf_tool *tool, 2581 union perf_event *event, 2582 struct perf_sample *sample, 2583 struct machine *machine) 2584 { 2585 if (perf_event__process_fork(tool, event, sample, machine) < 0) 2586 return -1; 2587 2588 return print_event_with_time(tool, event, sample, machine, 2589 event->fork.pid, event->fork.tid, 2590 event->fork.time); 2591 } 2592 static int process_exit_event(struct perf_tool *tool, 2593 union perf_event *event, 2594 struct perf_sample *sample, 2595 struct machine *machine) 2596 { 2597 /* Print before 'exit' deletes anything */ 2598 if (print_event_with_time(tool, event, sample, machine, event->fork.pid, 2599 event->fork.tid, event->fork.time)) 2600 return -1; 2601 2602 return perf_event__process_exit(tool, event, sample, machine); 2603 } 2604 2605 static int process_mmap_event(struct perf_tool *tool, 2606 union perf_event *event, 2607 struct perf_sample *sample, 2608 struct machine *machine) 2609 { 2610 if (perf_event__process_mmap(tool, event, sample, machine) < 0) 2611 return -1; 2612 2613 return print_event(tool, event, sample, machine, event->mmap.pid, 2614 event->mmap.tid); 2615 } 2616 2617 static int process_mmap2_event(struct perf_tool *tool, 2618 union perf_event *event, 2619 struct perf_sample *sample, 2620 struct machine *machine) 2621 { 2622 if (perf_event__process_mmap2(tool, event, sample, machine) < 0) 2623 return -1; 2624 2625 return print_event(tool, event, sample, machine, event->mmap2.pid, 2626 event->mmap2.tid); 2627 } 2628 2629 static int process_switch_event(struct perf_tool *tool, 2630 union perf_event *event, 2631 struct perf_sample *sample, 2632 struct machine *machine) 2633 { 2634 struct perf_script *script = container_of(tool, struct perf_script, tool); 2635 2636 if (perf_event__process_switch(tool, event, sample, machine) < 0) 2637 return -1; 2638 2639 if (scripting_ops && scripting_ops->process_switch && !filter_cpu(sample)) 2640 scripting_ops->process_switch(event, sample, machine); 2641 2642 if (!script->show_switch_events) 2643 return 0; 2644 2645 return print_event(tool, event, sample, machine, sample->pid, 2646 sample->tid); 2647 } 2648 2649 static int process_auxtrace_error(struct perf_session *session, 2650 union perf_event *event) 2651 { 2652 if (scripting_ops && scripting_ops->process_auxtrace_error) { 2653 scripting_ops->process_auxtrace_error(session, event); 2654 return 0; 2655 } 2656 2657 return perf_event__process_auxtrace_error(session, event); 2658 } 2659 2660 static int 2661 process_lost_event(struct perf_tool *tool, 2662 union perf_event *event, 2663 struct perf_sample *sample, 2664 struct machine *machine) 2665 { 2666 return print_event(tool, event, sample, machine, sample->pid, 2667 sample->tid); 2668 } 2669 2670 static int 2671 process_throttle_event(struct perf_tool *tool __maybe_unused, 2672 union perf_event *event, 2673 struct perf_sample *sample, 2674 struct machine *machine) 2675 { 2676 if (scripting_ops && scripting_ops->process_throttle) 2677 scripting_ops->process_throttle(event, sample, machine); 2678 return 0; 2679 } 2680 2681 static int 2682 process_finished_round_event(struct perf_tool *tool __maybe_unused, 2683 union perf_event *event, 2684 struct ordered_events *oe __maybe_unused) 2685 2686 { 2687 perf_event__fprintf(event, NULL, stdout); 2688 return 0; 2689 } 2690 2691 static int 2692 process_bpf_events(struct perf_tool *tool __maybe_unused, 2693 union perf_event *event, 2694 struct perf_sample *sample, 2695 struct machine *machine) 2696 { 2697 if (machine__process_ksymbol(machine, event, sample) < 0) 2698 return -1; 2699 2700 return print_event(tool, event, sample, machine, sample->pid, 2701 sample->tid); 2702 } 2703 2704 static int process_text_poke_events(struct perf_tool *tool, 2705 union perf_event *event, 2706 struct perf_sample *sample, 2707 struct machine *machine) 2708 { 2709 if (perf_event__process_text_poke(tool, event, sample, machine) < 0) 2710 return -1; 2711 2712 return print_event(tool, event, sample, machine, sample->pid, 2713 sample->tid); 2714 } 2715 2716 static void sig_handler(int sig __maybe_unused) 2717 { 2718 session_done = 1; 2719 } 2720 2721 static void perf_script__fclose_per_event_dump(struct perf_script *script) 2722 { 2723 struct evlist *evlist = script->session->evlist; 2724 struct evsel *evsel; 2725 2726 evlist__for_each_entry(evlist, evsel) { 2727 if (!evsel->priv) 2728 break; 2729 evsel_script__delete(evsel->priv); 2730 evsel->priv = NULL; 2731 } 2732 } 2733 2734 static int perf_script__fopen_per_event_dump(struct perf_script *script) 2735 { 2736 struct evsel *evsel; 2737 2738 evlist__for_each_entry(script->session->evlist, evsel) { 2739 /* 2740 * Already setup? I.e. we may be called twice in cases like 2741 * Intel PT, one for the intel_pt// and dummy events, then 2742 * for the evsels synthesized from the auxtrace info. 2743 * 2744 * Ses perf_script__process_auxtrace_info. 2745 */ 2746 if (evsel->priv != NULL) 2747 continue; 2748 2749 evsel->priv = evsel_script__new(evsel, script->session->data); 2750 if (evsel->priv == NULL) 2751 goto out_err_fclose; 2752 } 2753 2754 return 0; 2755 2756 out_err_fclose: 2757 perf_script__fclose_per_event_dump(script); 2758 return -1; 2759 } 2760 2761 static int perf_script__setup_per_event_dump(struct perf_script *script) 2762 { 2763 struct evsel *evsel; 2764 2765 if (script->per_event_dump) 2766 return perf_script__fopen_per_event_dump(script); 2767 2768 es_stdout.fp = stdout; 2769 2770 evlist__for_each_entry(script->session->evlist, evsel) 2771 evsel->priv = &es_stdout; 2772 2773 return 0; 2774 } 2775 2776 static void perf_script__exit_per_event_dump_stats(struct perf_script *script) 2777 { 2778 struct evsel *evsel; 2779 2780 evlist__for_each_entry(script->session->evlist, evsel) { 2781 struct evsel_script *es = evsel->priv; 2782 2783 evsel_script__fprintf(es, stdout); 2784 evsel_script__delete(es); 2785 evsel->priv = NULL; 2786 } 2787 } 2788 2789 static void perf_script__exit(struct perf_script *script) 2790 { 2791 perf_thread_map__put(script->threads); 2792 perf_cpu_map__put(script->cpus); 2793 } 2794 2795 static int __cmd_script(struct perf_script *script) 2796 { 2797 int ret; 2798 2799 signal(SIGINT, sig_handler); 2800 2801 /* override event processing functions */ 2802 if (script->show_task_events) { 2803 script->tool.comm = process_comm_event; 2804 script->tool.fork = process_fork_event; 2805 script->tool.exit = process_exit_event; 2806 } 2807 if (script->show_mmap_events) { 2808 script->tool.mmap = process_mmap_event; 2809 script->tool.mmap2 = process_mmap2_event; 2810 } 2811 if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch)) 2812 script->tool.context_switch = process_switch_event; 2813 if (scripting_ops && scripting_ops->process_auxtrace_error) 2814 script->tool.auxtrace_error = process_auxtrace_error; 2815 if (script->show_namespace_events) 2816 script->tool.namespaces = process_namespaces_event; 2817 if (script->show_cgroup_events) 2818 script->tool.cgroup = process_cgroup_event; 2819 if (script->show_lost_events) 2820 script->tool.lost = process_lost_event; 2821 if (script->show_round_events) { 2822 script->tool.ordered_events = false; 2823 script->tool.finished_round = process_finished_round_event; 2824 } 2825 if (script->show_bpf_events) { 2826 script->tool.ksymbol = process_bpf_events; 2827 script->tool.bpf = process_bpf_events; 2828 } 2829 if (script->show_text_poke_events) { 2830 script->tool.ksymbol = process_bpf_events; 2831 script->tool.text_poke = process_text_poke_events; 2832 } 2833 2834 if (perf_script__setup_per_event_dump(script)) { 2835 pr_err("Couldn't create the per event dump files\n"); 2836 return -1; 2837 } 2838 2839 ret = perf_session__process_events(script->session); 2840 2841 if (script->per_event_dump) 2842 perf_script__exit_per_event_dump_stats(script); 2843 2844 if (debug_mode) 2845 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); 2846 2847 return ret; 2848 } 2849 2850 struct script_spec { 2851 struct list_head node; 2852 struct scripting_ops *ops; 2853 char spec[]; 2854 }; 2855 2856 static LIST_HEAD(script_specs); 2857 2858 static struct script_spec *script_spec__new(const char *spec, 2859 struct scripting_ops *ops) 2860 { 2861 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); 2862 2863 if (s != NULL) { 2864 strcpy(s->spec, spec); 2865 s->ops = ops; 2866 } 2867 2868 return s; 2869 } 2870 2871 static void script_spec__add(struct script_spec *s) 2872 { 2873 list_add_tail(&s->node, &script_specs); 2874 } 2875 2876 static struct script_spec *script_spec__find(const char *spec) 2877 { 2878 struct script_spec *s; 2879 2880 list_for_each_entry(s, &script_specs, node) 2881 if (strcasecmp(s->spec, spec) == 0) 2882 return s; 2883 return NULL; 2884 } 2885 2886 int script_spec_register(const char *spec, struct scripting_ops *ops) 2887 { 2888 struct script_spec *s; 2889 2890 s = script_spec__find(spec); 2891 if (s) 2892 return -1; 2893 2894 s = script_spec__new(spec, ops); 2895 if (!s) 2896 return -1; 2897 else 2898 script_spec__add(s); 2899 2900 return 0; 2901 } 2902 2903 static struct scripting_ops *script_spec__lookup(const char *spec) 2904 { 2905 struct script_spec *s = script_spec__find(spec); 2906 if (!s) 2907 return NULL; 2908 2909 return s->ops; 2910 } 2911 2912 static void list_available_languages(void) 2913 { 2914 struct script_spec *s; 2915 2916 fprintf(stderr, "\n"); 2917 fprintf(stderr, "Scripting language extensions (used in " 2918 "perf script -s [spec:]script.[spec]):\n\n"); 2919 2920 list_for_each_entry(s, &script_specs, node) 2921 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); 2922 2923 fprintf(stderr, "\n"); 2924 } 2925 2926 /* Find script file relative to current directory or exec path */ 2927 static char *find_script(const char *script) 2928 { 2929 char path[PATH_MAX]; 2930 2931 if (!scripting_ops) { 2932 const char *ext = strrchr(script, '.'); 2933 2934 if (!ext) 2935 return NULL; 2936 2937 scripting_ops = script_spec__lookup(++ext); 2938 if (!scripting_ops) 2939 return NULL; 2940 } 2941 2942 if (access(script, R_OK)) { 2943 char *exec_path = get_argv_exec_path(); 2944 2945 if (!exec_path) 2946 return NULL; 2947 snprintf(path, sizeof(path), "%s/scripts/%s/%s", 2948 exec_path, scripting_ops->dirname, script); 2949 free(exec_path); 2950 script = path; 2951 if (access(script, R_OK)) 2952 return NULL; 2953 } 2954 return strdup(script); 2955 } 2956 2957 static int parse_scriptname(const struct option *opt __maybe_unused, 2958 const char *str, int unset __maybe_unused) 2959 { 2960 char spec[PATH_MAX]; 2961 const char *script, *ext; 2962 int len; 2963 2964 if (strcmp(str, "lang") == 0) { 2965 list_available_languages(); 2966 exit(0); 2967 } 2968 2969 script = strchr(str, ':'); 2970 if (script) { 2971 len = script - str; 2972 if (len >= PATH_MAX) { 2973 fprintf(stderr, "invalid language specifier"); 2974 return -1; 2975 } 2976 strncpy(spec, str, len); 2977 spec[len] = '\0'; 2978 scripting_ops = script_spec__lookup(spec); 2979 if (!scripting_ops) { 2980 fprintf(stderr, "invalid language specifier"); 2981 return -1; 2982 } 2983 script++; 2984 } else { 2985 script = str; 2986 ext = strrchr(script, '.'); 2987 if (!ext) { 2988 fprintf(stderr, "invalid script extension"); 2989 return -1; 2990 } 2991 scripting_ops = script_spec__lookup(++ext); 2992 if (!scripting_ops) { 2993 fprintf(stderr, "invalid script extension"); 2994 return -1; 2995 } 2996 } 2997 2998 script_name = find_script(script); 2999 if (!script_name) 3000 script_name = strdup(script); 3001 3002 return 0; 3003 } 3004 3005 static int parse_output_fields(const struct option *opt __maybe_unused, 3006 const char *arg, int unset __maybe_unused) 3007 { 3008 char *tok, *strtok_saveptr = NULL; 3009 int i, imax = ARRAY_SIZE(all_output_options); 3010 int j; 3011 int rc = 0; 3012 char *str = strdup(arg); 3013 int type = -1; 3014 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT; 3015 3016 if (!str) 3017 return -ENOMEM; 3018 3019 /* first word can state for which event type the user is specifying 3020 * the fields. If no type exists, the specified fields apply to all 3021 * event types found in the file minus the invalid fields for a type. 3022 */ 3023 tok = strchr(str, ':'); 3024 if (tok) { 3025 *tok = '\0'; 3026 tok++; 3027 if (!strcmp(str, "hw")) 3028 type = PERF_TYPE_HARDWARE; 3029 else if (!strcmp(str, "sw")) 3030 type = PERF_TYPE_SOFTWARE; 3031 else if (!strcmp(str, "trace")) 3032 type = PERF_TYPE_TRACEPOINT; 3033 else if (!strcmp(str, "raw")) 3034 type = PERF_TYPE_RAW; 3035 else if (!strcmp(str, "break")) 3036 type = PERF_TYPE_BREAKPOINT; 3037 else if (!strcmp(str, "synth")) 3038 type = OUTPUT_TYPE_SYNTH; 3039 else { 3040 fprintf(stderr, "Invalid event type in field string.\n"); 3041 rc = -EINVAL; 3042 goto out; 3043 } 3044 3045 if (output[type].user_set) 3046 pr_warning("Overriding previous field request for %s events.\n", 3047 event_type(type)); 3048 3049 /* Don't override defaults for +- */ 3050 if (strchr(tok, '+') || strchr(tok, '-')) 3051 goto parse; 3052 3053 output[type].fields = 0; 3054 output[type].user_set = true; 3055 output[type].wildcard_set = false; 3056 3057 } else { 3058 tok = str; 3059 if (strlen(str) == 0) { 3060 fprintf(stderr, 3061 "Cannot set fields to 'none' for all event types.\n"); 3062 rc = -EINVAL; 3063 goto out; 3064 } 3065 3066 /* Don't override defaults for +- */ 3067 if (strchr(str, '+') || strchr(str, '-')) 3068 goto parse; 3069 3070 if (output_set_by_user()) 3071 pr_warning("Overriding previous field request for all events.\n"); 3072 3073 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 3074 output[j].fields = 0; 3075 output[j].user_set = true; 3076 output[j].wildcard_set = true; 3077 } 3078 } 3079 3080 parse: 3081 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) { 3082 if (*tok == '+') { 3083 if (change == SET) 3084 goto out_badmix; 3085 change = ADD; 3086 tok++; 3087 } else if (*tok == '-') { 3088 if (change == SET) 3089 goto out_badmix; 3090 change = REMOVE; 3091 tok++; 3092 } else { 3093 if (change != SET && change != DEFAULT) 3094 goto out_badmix; 3095 change = SET; 3096 } 3097 3098 for (i = 0; i < imax; ++i) { 3099 if (strcmp(tok, all_output_options[i].str) == 0) 3100 break; 3101 } 3102 if (i == imax && strcmp(tok, "flags") == 0) { 3103 print_flags = change != REMOVE; 3104 continue; 3105 } 3106 if (i == imax) { 3107 fprintf(stderr, "Invalid field requested.\n"); 3108 rc = -EINVAL; 3109 goto out; 3110 } 3111 3112 if (type == -1) { 3113 /* add user option to all events types for 3114 * which it is valid 3115 */ 3116 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 3117 if (output[j].invalid_fields & all_output_options[i].field) { 3118 pr_warning("\'%s\' not valid for %s events. Ignoring.\n", 3119 all_output_options[i].str, event_type(j)); 3120 } else { 3121 if (change == REMOVE) { 3122 output[j].fields &= ~all_output_options[i].field; 3123 output[j].user_set_fields &= ~all_output_options[i].field; 3124 output[j].user_unset_fields |= all_output_options[i].field; 3125 } else { 3126 output[j].fields |= all_output_options[i].field; 3127 output[j].user_set_fields |= all_output_options[i].field; 3128 output[j].user_unset_fields &= ~all_output_options[i].field; 3129 } 3130 output[j].user_set = true; 3131 output[j].wildcard_set = true; 3132 } 3133 } 3134 } else { 3135 if (output[type].invalid_fields & all_output_options[i].field) { 3136 fprintf(stderr, "\'%s\' not valid for %s events.\n", 3137 all_output_options[i].str, event_type(type)); 3138 3139 rc = -EINVAL; 3140 goto out; 3141 } 3142 if (change == REMOVE) 3143 output[type].fields &= ~all_output_options[i].field; 3144 else 3145 output[type].fields |= all_output_options[i].field; 3146 output[type].user_set = true; 3147 output[type].wildcard_set = true; 3148 } 3149 } 3150 3151 if (type >= 0) { 3152 if (output[type].fields == 0) { 3153 pr_debug("No fields requested for %s type. " 3154 "Events will not be displayed.\n", event_type(type)); 3155 } 3156 } 3157 goto out; 3158 3159 out_badmix: 3160 fprintf(stderr, "Cannot mix +-field with overridden fields\n"); 3161 rc = -EINVAL; 3162 out: 3163 free(str); 3164 return rc; 3165 } 3166 3167 #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \ 3168 while ((lang_dirent = readdir(scripts_dir)) != NULL) \ 3169 if ((lang_dirent->d_type == DT_DIR || \ 3170 (lang_dirent->d_type == DT_UNKNOWN && \ 3171 is_directory(scripts_path, lang_dirent))) && \ 3172 (strcmp(lang_dirent->d_name, ".")) && \ 3173 (strcmp(lang_dirent->d_name, ".."))) 3174 3175 #define for_each_script(lang_path, lang_dir, script_dirent) \ 3176 while ((script_dirent = readdir(lang_dir)) != NULL) \ 3177 if (script_dirent->d_type != DT_DIR && \ 3178 (script_dirent->d_type != DT_UNKNOWN || \ 3179 !is_directory(lang_path, script_dirent))) 3180 3181 3182 #define RECORD_SUFFIX "-record" 3183 #define REPORT_SUFFIX "-report" 3184 3185 struct script_desc { 3186 struct list_head node; 3187 char *name; 3188 char *half_liner; 3189 char *args; 3190 }; 3191 3192 static LIST_HEAD(script_descs); 3193 3194 static struct script_desc *script_desc__new(const char *name) 3195 { 3196 struct script_desc *s = zalloc(sizeof(*s)); 3197 3198 if (s != NULL && name) 3199 s->name = strdup(name); 3200 3201 return s; 3202 } 3203 3204 static void script_desc__delete(struct script_desc *s) 3205 { 3206 zfree(&s->name); 3207 zfree(&s->half_liner); 3208 zfree(&s->args); 3209 free(s); 3210 } 3211 3212 static void script_desc__add(struct script_desc *s) 3213 { 3214 list_add_tail(&s->node, &script_descs); 3215 } 3216 3217 static struct script_desc *script_desc__find(const char *name) 3218 { 3219 struct script_desc *s; 3220 3221 list_for_each_entry(s, &script_descs, node) 3222 if (strcasecmp(s->name, name) == 0) 3223 return s; 3224 return NULL; 3225 } 3226 3227 static struct script_desc *script_desc__findnew(const char *name) 3228 { 3229 struct script_desc *s = script_desc__find(name); 3230 3231 if (s) 3232 return s; 3233 3234 s = script_desc__new(name); 3235 if (!s) 3236 return NULL; 3237 3238 script_desc__add(s); 3239 3240 return s; 3241 } 3242 3243 static const char *ends_with(const char *str, const char *suffix) 3244 { 3245 size_t suffix_len = strlen(suffix); 3246 const char *p = str; 3247 3248 if (strlen(str) > suffix_len) { 3249 p = str + strlen(str) - suffix_len; 3250 if (!strncmp(p, suffix, suffix_len)) 3251 return p; 3252 } 3253 3254 return NULL; 3255 } 3256 3257 static int read_script_info(struct script_desc *desc, const char *filename) 3258 { 3259 char line[BUFSIZ], *p; 3260 FILE *fp; 3261 3262 fp = fopen(filename, "r"); 3263 if (!fp) 3264 return -1; 3265 3266 while (fgets(line, sizeof(line), fp)) { 3267 p = skip_spaces(line); 3268 if (strlen(p) == 0) 3269 continue; 3270 if (*p != '#') 3271 continue; 3272 p++; 3273 if (strlen(p) && *p == '!') 3274 continue; 3275 3276 p = skip_spaces(p); 3277 if (strlen(p) && p[strlen(p) - 1] == '\n') 3278 p[strlen(p) - 1] = '\0'; 3279 3280 if (!strncmp(p, "description:", strlen("description:"))) { 3281 p += strlen("description:"); 3282 desc->half_liner = strdup(skip_spaces(p)); 3283 continue; 3284 } 3285 3286 if (!strncmp(p, "args:", strlen("args:"))) { 3287 p += strlen("args:"); 3288 desc->args = strdup(skip_spaces(p)); 3289 continue; 3290 } 3291 } 3292 3293 fclose(fp); 3294 3295 return 0; 3296 } 3297 3298 static char *get_script_root(struct dirent *script_dirent, const char *suffix) 3299 { 3300 char *script_root, *str; 3301 3302 script_root = strdup(script_dirent->d_name); 3303 if (!script_root) 3304 return NULL; 3305 3306 str = (char *)ends_with(script_root, suffix); 3307 if (!str) { 3308 free(script_root); 3309 return NULL; 3310 } 3311 3312 *str = '\0'; 3313 return script_root; 3314 } 3315 3316 static int list_available_scripts(const struct option *opt __maybe_unused, 3317 const char *s __maybe_unused, 3318 int unset __maybe_unused) 3319 { 3320 struct dirent *script_dirent, *lang_dirent; 3321 char *buf, *scripts_path, *script_path, *lang_path, *first_half; 3322 DIR *scripts_dir, *lang_dir; 3323 struct script_desc *desc; 3324 char *script_root; 3325 3326 buf = malloc(3 * MAXPATHLEN + BUFSIZ); 3327 if (!buf) { 3328 pr_err("malloc failed\n"); 3329 exit(-1); 3330 } 3331 scripts_path = buf; 3332 script_path = buf + MAXPATHLEN; 3333 lang_path = buf + 2 * MAXPATHLEN; 3334 first_half = buf + 3 * MAXPATHLEN; 3335 3336 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3337 3338 scripts_dir = opendir(scripts_path); 3339 if (!scripts_dir) { 3340 fprintf(stdout, 3341 "open(%s) failed.\n" 3342 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n", 3343 scripts_path); 3344 free(buf); 3345 exit(-1); 3346 } 3347 3348 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3349 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3350 lang_dirent->d_name); 3351 lang_dir = opendir(lang_path); 3352 if (!lang_dir) 3353 continue; 3354 3355 for_each_script(lang_path, lang_dir, script_dirent) { 3356 script_root = get_script_root(script_dirent, REPORT_SUFFIX); 3357 if (script_root) { 3358 desc = script_desc__findnew(script_root); 3359 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3360 lang_path, script_dirent->d_name); 3361 read_script_info(desc, script_path); 3362 free(script_root); 3363 } 3364 } 3365 } 3366 3367 fprintf(stdout, "List of available trace scripts:\n"); 3368 list_for_each_entry(desc, &script_descs, node) { 3369 sprintf(first_half, "%s %s", desc->name, 3370 desc->args ? desc->args : ""); 3371 fprintf(stdout, " %-36s %s\n", first_half, 3372 desc->half_liner ? desc->half_liner : ""); 3373 } 3374 3375 free(buf); 3376 exit(0); 3377 } 3378 3379 static int add_dlarg(const struct option *opt __maybe_unused, 3380 const char *s, int unset __maybe_unused) 3381 { 3382 char *arg = strdup(s); 3383 void *a; 3384 3385 if (!arg) 3386 return -1; 3387 3388 a = realloc(dlargv, sizeof(dlargv[0]) * (dlargc + 1)); 3389 if (!a) { 3390 free(arg); 3391 return -1; 3392 } 3393 3394 dlargv = a; 3395 dlargv[dlargc++] = arg; 3396 3397 return 0; 3398 } 3399 3400 static void free_dlarg(void) 3401 { 3402 while (dlargc--) 3403 free(dlargv[dlargc]); 3404 free(dlargv); 3405 } 3406 3407 /* 3408 * Some scripts specify the required events in their "xxx-record" file, 3409 * this function will check if the events in perf.data match those 3410 * mentioned in the "xxx-record". 3411 * 3412 * Fixme: All existing "xxx-record" are all in good formats "-e event ", 3413 * which is covered well now. And new parsing code should be added to 3414 * cover the future complex formats like event groups etc. 3415 */ 3416 static int check_ev_match(char *dir_name, char *scriptname, 3417 struct perf_session *session) 3418 { 3419 char filename[MAXPATHLEN], evname[128]; 3420 char line[BUFSIZ], *p; 3421 struct evsel *pos; 3422 int match, len; 3423 FILE *fp; 3424 3425 scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname); 3426 3427 fp = fopen(filename, "r"); 3428 if (!fp) 3429 return -1; 3430 3431 while (fgets(line, sizeof(line), fp)) { 3432 p = skip_spaces(line); 3433 if (*p == '#') 3434 continue; 3435 3436 while (strlen(p)) { 3437 p = strstr(p, "-e"); 3438 if (!p) 3439 break; 3440 3441 p += 2; 3442 p = skip_spaces(p); 3443 len = strcspn(p, " \t"); 3444 if (!len) 3445 break; 3446 3447 snprintf(evname, len + 1, "%s", p); 3448 3449 match = 0; 3450 evlist__for_each_entry(session->evlist, pos) { 3451 if (!strcmp(evsel__name(pos), evname)) { 3452 match = 1; 3453 break; 3454 } 3455 } 3456 3457 if (!match) { 3458 fclose(fp); 3459 return -1; 3460 } 3461 } 3462 } 3463 3464 fclose(fp); 3465 return 0; 3466 } 3467 3468 /* 3469 * Return -1 if none is found, otherwise the actual scripts number. 3470 * 3471 * Currently the only user of this function is the script browser, which 3472 * will list all statically runnable scripts, select one, execute it and 3473 * show the output in a perf browser. 3474 */ 3475 int find_scripts(char **scripts_array, char **scripts_path_array, int num, 3476 int pathlen) 3477 { 3478 struct dirent *script_dirent, *lang_dirent; 3479 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; 3480 DIR *scripts_dir, *lang_dir; 3481 struct perf_session *session; 3482 struct perf_data data = { 3483 .path = input_name, 3484 .mode = PERF_DATA_MODE_READ, 3485 }; 3486 char *temp; 3487 int i = 0; 3488 3489 session = perf_session__new(&data, NULL); 3490 if (IS_ERR(session)) 3491 return PTR_ERR(session); 3492 3493 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3494 3495 scripts_dir = opendir(scripts_path); 3496 if (!scripts_dir) { 3497 perf_session__delete(session); 3498 return -1; 3499 } 3500 3501 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3502 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, 3503 lang_dirent->d_name); 3504 #ifndef HAVE_LIBPERL_SUPPORT 3505 if (strstr(lang_path, "perl")) 3506 continue; 3507 #endif 3508 #ifndef HAVE_LIBPYTHON_SUPPORT 3509 if (strstr(lang_path, "python")) 3510 continue; 3511 #endif 3512 3513 lang_dir = opendir(lang_path); 3514 if (!lang_dir) 3515 continue; 3516 3517 for_each_script(lang_path, lang_dir, script_dirent) { 3518 /* Skip those real time scripts: xxxtop.p[yl] */ 3519 if (strstr(script_dirent->d_name, "top.")) 3520 continue; 3521 if (i >= num) 3522 break; 3523 snprintf(scripts_path_array[i], pathlen, "%s/%s", 3524 lang_path, 3525 script_dirent->d_name); 3526 temp = strchr(script_dirent->d_name, '.'); 3527 snprintf(scripts_array[i], 3528 (temp - script_dirent->d_name) + 1, 3529 "%s", script_dirent->d_name); 3530 3531 if (check_ev_match(lang_path, 3532 scripts_array[i], session)) 3533 continue; 3534 3535 i++; 3536 } 3537 closedir(lang_dir); 3538 } 3539 3540 closedir(scripts_dir); 3541 perf_session__delete(session); 3542 return i; 3543 } 3544 3545 static char *get_script_path(const char *script_root, const char *suffix) 3546 { 3547 struct dirent *script_dirent, *lang_dirent; 3548 char scripts_path[MAXPATHLEN]; 3549 char script_path[MAXPATHLEN]; 3550 DIR *scripts_dir, *lang_dir; 3551 char lang_path[MAXPATHLEN]; 3552 char *__script_root; 3553 3554 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3555 3556 scripts_dir = opendir(scripts_path); 3557 if (!scripts_dir) 3558 return NULL; 3559 3560 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3561 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3562 lang_dirent->d_name); 3563 lang_dir = opendir(lang_path); 3564 if (!lang_dir) 3565 continue; 3566 3567 for_each_script(lang_path, lang_dir, script_dirent) { 3568 __script_root = get_script_root(script_dirent, suffix); 3569 if (__script_root && !strcmp(script_root, __script_root)) { 3570 free(__script_root); 3571 closedir(scripts_dir); 3572 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3573 lang_path, script_dirent->d_name); 3574 closedir(lang_dir); 3575 return strdup(script_path); 3576 } 3577 free(__script_root); 3578 } 3579 closedir(lang_dir); 3580 } 3581 closedir(scripts_dir); 3582 3583 return NULL; 3584 } 3585 3586 static bool is_top_script(const char *script_path) 3587 { 3588 return ends_with(script_path, "top") != NULL; 3589 } 3590 3591 static int has_required_arg(char *script_path) 3592 { 3593 struct script_desc *desc; 3594 int n_args = 0; 3595 char *p; 3596 3597 desc = script_desc__new(NULL); 3598 3599 if (read_script_info(desc, script_path)) 3600 goto out; 3601 3602 if (!desc->args) 3603 goto out; 3604 3605 for (p = desc->args; *p; p++) 3606 if (*p == '<') 3607 n_args++; 3608 out: 3609 script_desc__delete(desc); 3610 3611 return n_args; 3612 } 3613 3614 static int have_cmd(int argc, const char **argv) 3615 { 3616 char **__argv = malloc(sizeof(const char *) * argc); 3617 3618 if (!__argv) { 3619 pr_err("malloc failed\n"); 3620 return -1; 3621 } 3622 3623 memcpy(__argv, argv, sizeof(const char *) * argc); 3624 argc = parse_options(argc, (const char **)__argv, record_options, 3625 NULL, PARSE_OPT_STOP_AT_NON_OPTION); 3626 free(__argv); 3627 3628 system_wide = (argc == 0); 3629 3630 return 0; 3631 } 3632 3633 static void script__setup_sample_type(struct perf_script *script) 3634 { 3635 struct perf_session *session = script->session; 3636 u64 sample_type = evlist__combined_sample_type(session->evlist); 3637 3638 callchain_param_setup(sample_type, perf_env__arch(session->machines.host.env)); 3639 3640 if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) { 3641 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n" 3642 "Please apply --call-graph lbr when recording.\n"); 3643 script->stitch_lbr = false; 3644 } 3645 } 3646 3647 static int process_stat_round_event(struct perf_session *session, 3648 union perf_event *event) 3649 { 3650 struct perf_record_stat_round *round = &event->stat_round; 3651 struct evsel *counter; 3652 3653 evlist__for_each_entry(session->evlist, counter) { 3654 perf_stat_process_counter(&stat_config, counter); 3655 process_stat(counter, round->time); 3656 } 3657 3658 process_stat_interval(round->time); 3659 return 0; 3660 } 3661 3662 static int process_stat_config_event(struct perf_session *session __maybe_unused, 3663 union perf_event *event) 3664 { 3665 perf_event__read_stat_config(&stat_config, &event->stat_config); 3666 3667 /* 3668 * Aggregation modes are not used since post-processing scripts are 3669 * supposed to take care of such requirements 3670 */ 3671 stat_config.aggr_mode = AGGR_NONE; 3672 3673 return 0; 3674 } 3675 3676 static int set_maps(struct perf_script *script) 3677 { 3678 struct evlist *evlist = script->session->evlist; 3679 3680 if (!script->cpus || !script->threads) 3681 return 0; 3682 3683 if (WARN_ONCE(script->allocated, "stats double allocation\n")) 3684 return -EINVAL; 3685 3686 perf_evlist__set_maps(&evlist->core, script->cpus, script->threads); 3687 3688 if (evlist__alloc_stats(&stat_config, evlist, /*alloc_raw=*/true)) 3689 return -ENOMEM; 3690 3691 script->allocated = true; 3692 return 0; 3693 } 3694 3695 static 3696 int process_thread_map_event(struct perf_session *session, 3697 union perf_event *event) 3698 { 3699 struct perf_tool *tool = session->tool; 3700 struct perf_script *script = container_of(tool, struct perf_script, tool); 3701 3702 if (dump_trace) 3703 perf_event__fprintf_thread_map(event, stdout); 3704 3705 if (script->threads) { 3706 pr_warning("Extra thread map event, ignoring.\n"); 3707 return 0; 3708 } 3709 3710 script->threads = thread_map__new_event(&event->thread_map); 3711 if (!script->threads) 3712 return -ENOMEM; 3713 3714 return set_maps(script); 3715 } 3716 3717 static 3718 int process_cpu_map_event(struct perf_session *session, 3719 union perf_event *event) 3720 { 3721 struct perf_tool *tool = session->tool; 3722 struct perf_script *script = container_of(tool, struct perf_script, tool); 3723 3724 if (dump_trace) 3725 perf_event__fprintf_cpu_map(event, stdout); 3726 3727 if (script->cpus) { 3728 pr_warning("Extra cpu map event, ignoring.\n"); 3729 return 0; 3730 } 3731 3732 script->cpus = cpu_map__new_data(&event->cpu_map.data); 3733 if (!script->cpus) 3734 return -ENOMEM; 3735 3736 return set_maps(script); 3737 } 3738 3739 static int process_feature_event(struct perf_session *session, 3740 union perf_event *event) 3741 { 3742 if (event->feat.feat_id < HEADER_LAST_FEATURE) 3743 return perf_event__process_feature(session, event); 3744 return 0; 3745 } 3746 3747 #ifdef HAVE_AUXTRACE_SUPPORT 3748 static int perf_script__process_auxtrace_info(struct perf_session *session, 3749 union perf_event *event) 3750 { 3751 struct perf_tool *tool = session->tool; 3752 3753 int ret = perf_event__process_auxtrace_info(session, event); 3754 3755 if (ret == 0) { 3756 struct perf_script *script = container_of(tool, struct perf_script, tool); 3757 3758 ret = perf_script__setup_per_event_dump(script); 3759 } 3760 3761 return ret; 3762 } 3763 #else 3764 #define perf_script__process_auxtrace_info 0 3765 #endif 3766 3767 static int parse_insn_trace(const struct option *opt __maybe_unused, 3768 const char *str __maybe_unused, 3769 int unset __maybe_unused) 3770 { 3771 parse_output_fields(NULL, "+insn,-event,-period", 0); 3772 itrace_parse_synth_opts(opt, "i0ns", 0); 3773 symbol_conf.nanosecs = true; 3774 return 0; 3775 } 3776 3777 static int parse_xed(const struct option *opt __maybe_unused, 3778 const char *str __maybe_unused, 3779 int unset __maybe_unused) 3780 { 3781 if (isatty(1)) 3782 force_pager("xed -F insn: -A -64 | less"); 3783 else 3784 force_pager("xed -F insn: -A -64"); 3785 return 0; 3786 } 3787 3788 static int parse_call_trace(const struct option *opt __maybe_unused, 3789 const char *str __maybe_unused, 3790 int unset __maybe_unused) 3791 { 3792 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0); 3793 itrace_parse_synth_opts(opt, "cewp", 0); 3794 symbol_conf.nanosecs = true; 3795 symbol_conf.pad_output_len_dso = 50; 3796 return 0; 3797 } 3798 3799 static int parse_callret_trace(const struct option *opt __maybe_unused, 3800 const char *str __maybe_unused, 3801 int unset __maybe_unused) 3802 { 3803 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0); 3804 itrace_parse_synth_opts(opt, "crewp", 0); 3805 symbol_conf.nanosecs = true; 3806 return 0; 3807 } 3808 3809 int cmd_script(int argc, const char **argv) 3810 { 3811 bool show_full_info = false; 3812 bool header = false; 3813 bool header_only = false; 3814 bool script_started = false; 3815 bool unsorted_dump = false; 3816 char *rec_script_path = NULL; 3817 char *rep_script_path = NULL; 3818 struct perf_session *session; 3819 struct itrace_synth_opts itrace_synth_opts = { 3820 .set = false, 3821 .default_no_sample = true, 3822 }; 3823 struct utsname uts; 3824 char *script_path = NULL; 3825 const char *dlfilter_file = NULL; 3826 const char **__argv; 3827 int i, j, err = 0; 3828 struct perf_script script = { 3829 .tool = { 3830 .sample = process_sample_event, 3831 .mmap = perf_event__process_mmap, 3832 .mmap2 = perf_event__process_mmap2, 3833 .comm = perf_event__process_comm, 3834 .namespaces = perf_event__process_namespaces, 3835 .cgroup = perf_event__process_cgroup, 3836 .exit = perf_event__process_exit, 3837 .fork = perf_event__process_fork, 3838 .attr = process_attr, 3839 .event_update = perf_event__process_event_update, 3840 #ifdef HAVE_LIBTRACEEVENT 3841 .tracing_data = perf_event__process_tracing_data, 3842 #endif 3843 .feature = process_feature_event, 3844 .build_id = perf_event__process_build_id, 3845 .id_index = perf_event__process_id_index, 3846 .auxtrace_info = perf_script__process_auxtrace_info, 3847 .auxtrace = perf_event__process_auxtrace, 3848 .auxtrace_error = perf_event__process_auxtrace_error, 3849 .stat = perf_event__process_stat_event, 3850 .stat_round = process_stat_round_event, 3851 .stat_config = process_stat_config_event, 3852 .thread_map = process_thread_map_event, 3853 .cpu_map = process_cpu_map_event, 3854 .throttle = process_throttle_event, 3855 .unthrottle = process_throttle_event, 3856 .ordered_events = true, 3857 .ordering_requires_timestamps = true, 3858 }, 3859 }; 3860 struct perf_data data = { 3861 .mode = PERF_DATA_MODE_READ, 3862 }; 3863 const struct option options[] = { 3864 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 3865 "dump raw trace in ASCII"), 3866 OPT_BOOLEAN(0, "dump-unsorted-raw-trace", &unsorted_dump, 3867 "dump unsorted raw trace in ASCII"), 3868 OPT_INCR('v', "verbose", &verbose, 3869 "be more verbose (show symbol address, etc)"), 3870 OPT_BOOLEAN('L', "Latency", &latency_format, 3871 "show latency attributes (irqs/preemption disabled, etc)"), 3872 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", 3873 list_available_scripts), 3874 OPT_CALLBACK_NOOPT(0, "list-dlfilters", NULL, NULL, "list available dlfilters", 3875 list_available_dlfilters), 3876 OPT_CALLBACK('s', "script", NULL, "name", 3877 "script file name (lang:script name, script name, or *)", 3878 parse_scriptname), 3879 OPT_STRING('g', "gen-script", &generate_script_lang, "lang", 3880 "generate perf-script.xx script in specified language"), 3881 OPT_STRING(0, "dlfilter", &dlfilter_file, "file", "filter .so file name"), 3882 OPT_CALLBACK(0, "dlarg", NULL, "argument", "filter argument", 3883 add_dlarg), 3884 OPT_STRING('i', "input", &input_name, "file", "input file name"), 3885 OPT_BOOLEAN('d', "debug-mode", &debug_mode, 3886 "do various checks like samples ordering and lost events"), 3887 OPT_BOOLEAN(0, "header", &header, "Show data header."), 3888 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."), 3889 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 3890 "file", "vmlinux pathname"), 3891 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 3892 "file", "kallsyms pathname"), 3893 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, 3894 "When printing symbols do not display call chain"), 3895 OPT_CALLBACK(0, "symfs", NULL, "directory", 3896 "Look for files with symbols relative to this directory", 3897 symbol__config_symfs), 3898 OPT_CALLBACK('F', "fields", NULL, "str", 3899 "comma separated output fields prepend with 'type:'. " 3900 "+field to add and -field to remove." 3901 "Valid types: hw,sw,trace,raw,synth. " 3902 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,dsoff" 3903 "addr,symoff,srcline,period,iregs,uregs,brstack," 3904 "brstacksym,flags,data_src,weight,bpf-output,brstackinsn," 3905 "brstackinsnlen,brstackoff,callindent,insn,insnlen,synth," 3906 "phys_addr,metric,misc,srccode,ipc,tod,data_page_size," 3907 "code_page_size,ins_lat,machine_pid,vcpu,cgroup,retire_lat", 3908 parse_output_fields), 3909 OPT_BOOLEAN('a', "all-cpus", &system_wide, 3910 "system-wide collection from all CPUs"), 3911 OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", 3912 "only consider symbols in these DSOs"), 3913 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 3914 "only consider these symbols"), 3915 OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range, 3916 "Use with -S to list traced records within address range"), 3917 OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL, 3918 "Decode instructions from itrace", parse_insn_trace), 3919 OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL, 3920 "Run xed disassembler on output", parse_xed), 3921 OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL, 3922 "Decode calls from itrace", parse_call_trace), 3923 OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL, 3924 "Decode calls and returns from itrace", parse_callret_trace), 3925 OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]", 3926 "Only print symbols and callees with --call-trace/--call-ret-trace"), 3927 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]", 3928 "Stop display of callgraph at these symbols"), 3929 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), 3930 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 3931 "only display events for these comms"), 3932 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 3933 "only consider symbols in these pids"), 3934 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 3935 "only consider symbols in these tids"), 3936 OPT_UINTEGER(0, "max-stack", &scripting_max_stack, 3937 "Set the maximum stack depth when parsing the callchain, " 3938 "anything beyond the specified depth will be ignored. " 3939 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 3940 OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"), 3941 OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"), 3942 OPT_BOOLEAN('I', "show-info", &show_full_info, 3943 "display extended information from perf.data file"), 3944 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, 3945 "Show the path of [kernel.kallsyms]"), 3946 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, 3947 "Show the fork/comm/exit events"), 3948 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, 3949 "Show the mmap events"), 3950 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events, 3951 "Show context switch events (if recorded)"), 3952 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events, 3953 "Show namespace events (if recorded)"), 3954 OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events, 3955 "Show cgroup events (if recorded)"), 3956 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events, 3957 "Show lost events (if recorded)"), 3958 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events, 3959 "Show round events (if recorded)"), 3960 OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events, 3961 "Show bpf related events (if recorded)"), 3962 OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events, 3963 "Show text poke related events (if recorded)"), 3964 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump, 3965 "Dump trace output to files named by the monitored events"), 3966 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 3967 OPT_INTEGER(0, "max-blocks", &max_blocks, 3968 "Maximum number of code blocks to dump with brstackinsn"), 3969 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, 3970 "Use 9 decimal places when displaying time"), 3971 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 3972 "Instruction Tracing options\n" ITRACE_HELP, 3973 itrace_parse_synth_opts), 3974 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 3975 "Show full source file name path for source lines"), 3976 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 3977 "Enable symbol demangling"), 3978 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 3979 "Enable kernel symbol demangling"), 3980 OPT_STRING(0, "time", &script.time_str, "str", 3981 "Time span of interest (start,stop)"), 3982 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 3983 "Show inline function"), 3984 OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory", 3985 "guest mount directory under which every guest os" 3986 " instance has a subdir"), 3987 OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name, 3988 "file", "file saving guest os vmlinux"), 3989 OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms, 3990 "file", "file saving guest os /proc/kallsyms"), 3991 OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules, 3992 "file", "file saving guest os /proc/modules"), 3993 OPT_BOOLEAN(0, "guest-code", &symbol_conf.guest_code, 3994 "Guest code can be found in hypervisor process"), 3995 OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr, 3996 "Enable LBR callgraph stitching approach"), 3997 OPTS_EVSWITCH(&script.evswitch), 3998 OPT_END() 3999 }; 4000 const char * const script_subcommands[] = { "record", "report", NULL }; 4001 const char *script_usage[] = { 4002 "perf script [<options>]", 4003 "perf script [<options>] record <script> [<record-options>] <command>", 4004 "perf script [<options>] report <script> [script-args]", 4005 "perf script [<options>] <script> [<record-options>] <command>", 4006 "perf script [<options>] <top-script> [script-args]", 4007 NULL 4008 }; 4009 4010 perf_set_singlethreaded(); 4011 4012 setup_scripting(); 4013 4014 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage, 4015 PARSE_OPT_STOP_AT_NON_OPTION); 4016 4017 if (symbol_conf.guestmount || 4018 symbol_conf.default_guest_vmlinux_name || 4019 symbol_conf.default_guest_kallsyms || 4020 symbol_conf.default_guest_modules || 4021 symbol_conf.guest_code) { 4022 /* 4023 * Enable guest sample processing. 4024 */ 4025 perf_guest = true; 4026 } 4027 4028 data.path = input_name; 4029 data.force = symbol_conf.force; 4030 4031 if (unsorted_dump) { 4032 dump_trace = true; 4033 script.tool.ordered_events = false; 4034 } 4035 4036 if (symbol__validate_sym_arguments()) 4037 return -1; 4038 4039 if (argc > 1 && strlen(argv[0]) > 2 && strstarts("record", argv[0])) { 4040 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); 4041 if (!rec_script_path) 4042 return cmd_record(argc, argv); 4043 } 4044 4045 if (argc > 1 && strlen(argv[0]) > 2 && strstarts("report", argv[0])) { 4046 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); 4047 if (!rep_script_path) { 4048 fprintf(stderr, 4049 "Please specify a valid report script" 4050 "(see 'perf script -l' for listing)\n"); 4051 return -1; 4052 } 4053 } 4054 4055 if (reltime && deltatime) { 4056 fprintf(stderr, 4057 "reltime and deltatime - the two don't get along well. " 4058 "Please limit to --reltime or --deltatime.\n"); 4059 return -1; 4060 } 4061 4062 if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) && 4063 itrace_synth_opts.callchain_sz > scripting_max_stack) 4064 scripting_max_stack = itrace_synth_opts.callchain_sz; 4065 4066 /* make sure PERF_EXEC_PATH is set for scripts */ 4067 set_argv_exec_path(get_argv_exec_path()); 4068 4069 if (argc && !script_name && !rec_script_path && !rep_script_path) { 4070 int live_pipe[2]; 4071 int rep_args; 4072 pid_t pid; 4073 4074 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); 4075 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); 4076 4077 if (!rec_script_path && !rep_script_path) { 4078 script_name = find_script(argv[0]); 4079 if (script_name) { 4080 argc -= 1; 4081 argv += 1; 4082 goto script_found; 4083 } 4084 usage_with_options_msg(script_usage, options, 4085 "Couldn't find script `%s'\n\n See perf" 4086 " script -l for available scripts.\n", argv[0]); 4087 } 4088 4089 if (is_top_script(argv[0])) { 4090 rep_args = argc - 1; 4091 } else { 4092 int rec_args; 4093 4094 rep_args = has_required_arg(rep_script_path); 4095 rec_args = (argc - 1) - rep_args; 4096 if (rec_args < 0) { 4097 usage_with_options_msg(script_usage, options, 4098 "`%s' script requires options." 4099 "\n\n See perf script -l for available " 4100 "scripts and options.\n", argv[0]); 4101 } 4102 } 4103 4104 if (pipe(live_pipe) < 0) { 4105 perror("failed to create pipe"); 4106 return -1; 4107 } 4108 4109 pid = fork(); 4110 if (pid < 0) { 4111 perror("failed to fork"); 4112 return -1; 4113 } 4114 4115 if (!pid) { 4116 j = 0; 4117 4118 dup2(live_pipe[1], 1); 4119 close(live_pipe[0]); 4120 4121 if (is_top_script(argv[0])) { 4122 system_wide = true; 4123 } else if (!system_wide) { 4124 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { 4125 err = -1; 4126 goto out; 4127 } 4128 } 4129 4130 __argv = malloc((argc + 6) * sizeof(const char *)); 4131 if (!__argv) { 4132 pr_err("malloc failed\n"); 4133 err = -ENOMEM; 4134 goto out; 4135 } 4136 4137 __argv[j++] = "/bin/sh"; 4138 __argv[j++] = rec_script_path; 4139 if (system_wide) 4140 __argv[j++] = "-a"; 4141 __argv[j++] = "-q"; 4142 __argv[j++] = "-o"; 4143 __argv[j++] = "-"; 4144 for (i = rep_args + 1; i < argc; i++) 4145 __argv[j++] = argv[i]; 4146 __argv[j++] = NULL; 4147 4148 execvp("/bin/sh", (char **)__argv); 4149 free(__argv); 4150 exit(-1); 4151 } 4152 4153 dup2(live_pipe[0], 0); 4154 close(live_pipe[1]); 4155 4156 __argv = malloc((argc + 4) * sizeof(const char *)); 4157 if (!__argv) { 4158 pr_err("malloc failed\n"); 4159 err = -ENOMEM; 4160 goto out; 4161 } 4162 4163 j = 0; 4164 __argv[j++] = "/bin/sh"; 4165 __argv[j++] = rep_script_path; 4166 for (i = 1; i < rep_args + 1; i++) 4167 __argv[j++] = argv[i]; 4168 __argv[j++] = "-i"; 4169 __argv[j++] = "-"; 4170 __argv[j++] = NULL; 4171 4172 execvp("/bin/sh", (char **)__argv); 4173 free(__argv); 4174 exit(-1); 4175 } 4176 script_found: 4177 if (rec_script_path) 4178 script_path = rec_script_path; 4179 if (rep_script_path) 4180 script_path = rep_script_path; 4181 4182 if (script_path) { 4183 j = 0; 4184 4185 if (!rec_script_path) 4186 system_wide = false; 4187 else if (!system_wide) { 4188 if (have_cmd(argc - 1, &argv[1]) != 0) { 4189 err = -1; 4190 goto out; 4191 } 4192 } 4193 4194 __argv = malloc((argc + 2) * sizeof(const char *)); 4195 if (!__argv) { 4196 pr_err("malloc failed\n"); 4197 err = -ENOMEM; 4198 goto out; 4199 } 4200 4201 __argv[j++] = "/bin/sh"; 4202 __argv[j++] = script_path; 4203 if (system_wide) 4204 __argv[j++] = "-a"; 4205 for (i = 2; i < argc; i++) 4206 __argv[j++] = argv[i]; 4207 __argv[j++] = NULL; 4208 4209 execvp("/bin/sh", (char **)__argv); 4210 free(__argv); 4211 exit(-1); 4212 } 4213 4214 if (dlfilter_file) { 4215 dlfilter = dlfilter__new(dlfilter_file, dlargc, dlargv); 4216 if (!dlfilter) 4217 return -1; 4218 } 4219 4220 if (!script_name) { 4221 setup_pager(); 4222 use_browser = 0; 4223 } 4224 4225 session = perf_session__new(&data, &script.tool); 4226 if (IS_ERR(session)) 4227 return PTR_ERR(session); 4228 4229 if (header || header_only) { 4230 script.tool.show_feat_hdr = SHOW_FEAT_HEADER; 4231 perf_session__fprintf_info(session, stdout, show_full_info); 4232 if (header_only) 4233 goto out_delete; 4234 } 4235 if (show_full_info) 4236 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 4237 4238 if (symbol__init(&session->header.env) < 0) 4239 goto out_delete; 4240 4241 uname(&uts); 4242 if (data.is_pipe) { /* Assume pipe_mode indicates native_arch */ 4243 native_arch = true; 4244 } else if (session->header.env.arch) { 4245 if (!strcmp(uts.machine, session->header.env.arch)) 4246 native_arch = true; 4247 else if (!strcmp(uts.machine, "x86_64") && 4248 !strcmp(session->header.env.arch, "i386")) 4249 native_arch = true; 4250 } 4251 4252 script.session = session; 4253 script__setup_sample_type(&script); 4254 4255 if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) || 4256 symbol_conf.graph_function) 4257 itrace_synth_opts.thread_stack = true; 4258 4259 session->itrace_synth_opts = &itrace_synth_opts; 4260 4261 if (cpu_list) { 4262 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap); 4263 if (err < 0) 4264 goto out_delete; 4265 itrace_synth_opts.cpu_bitmap = cpu_bitmap; 4266 } 4267 4268 if (!no_callchain) 4269 symbol_conf.use_callchain = true; 4270 else 4271 symbol_conf.use_callchain = false; 4272 4273 #ifdef HAVE_LIBTRACEEVENT 4274 if (session->tevent.pevent && 4275 tep_set_function_resolver(session->tevent.pevent, 4276 machine__resolve_kernel_addr, 4277 &session->machines.host) < 0) { 4278 pr_err("%s: failed to set libtraceevent function resolver\n", __func__); 4279 err = -1; 4280 goto out_delete; 4281 } 4282 #endif 4283 if (generate_script_lang) { 4284 struct stat perf_stat; 4285 int input; 4286 4287 if (output_set_by_user()) { 4288 fprintf(stderr, 4289 "custom fields not supported for generated scripts"); 4290 err = -EINVAL; 4291 goto out_delete; 4292 } 4293 4294 input = open(data.path, O_RDONLY); /* input_name */ 4295 if (input < 0) { 4296 err = -errno; 4297 perror("failed to open file"); 4298 goto out_delete; 4299 } 4300 4301 err = fstat(input, &perf_stat); 4302 if (err < 0) { 4303 perror("failed to stat file"); 4304 goto out_delete; 4305 } 4306 4307 if (!perf_stat.st_size) { 4308 fprintf(stderr, "zero-sized file, nothing to do!\n"); 4309 goto out_delete; 4310 } 4311 4312 scripting_ops = script_spec__lookup(generate_script_lang); 4313 if (!scripting_ops) { 4314 fprintf(stderr, "invalid language specifier"); 4315 err = -ENOENT; 4316 goto out_delete; 4317 } 4318 #ifdef HAVE_LIBTRACEEVENT 4319 err = scripting_ops->generate_script(session->tevent.pevent, 4320 "perf-script"); 4321 #else 4322 err = scripting_ops->generate_script(NULL, "perf-script"); 4323 #endif 4324 goto out_delete; 4325 } 4326 4327 err = dlfilter__start(dlfilter, session); 4328 if (err) 4329 goto out_delete; 4330 4331 if (script_name) { 4332 err = scripting_ops->start_script(script_name, argc, argv, session); 4333 if (err) 4334 goto out_delete; 4335 pr_debug("perf script started with script %s\n\n", script_name); 4336 script_started = true; 4337 } 4338 4339 4340 err = perf_session__check_output_opt(session); 4341 if (err < 0) 4342 goto out_delete; 4343 4344 if (script.time_str) { 4345 err = perf_time__parse_for_ranges_reltime(script.time_str, session, 4346 &script.ptime_range, 4347 &script.range_size, 4348 &script.range_num, 4349 reltime); 4350 if (err < 0) 4351 goto out_delete; 4352 4353 itrace_synth_opts__set_time_range(&itrace_synth_opts, 4354 script.ptime_range, 4355 script.range_num); 4356 } 4357 4358 err = evswitch__init(&script.evswitch, session->evlist, stderr); 4359 if (err) 4360 goto out_delete; 4361 4362 if (zstd_init(&(session->zstd_data), 0) < 0) 4363 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n"); 4364 4365 err = __cmd_script(&script); 4366 4367 flush_scripting(); 4368 4369 out_delete: 4370 if (script.ptime_range) { 4371 itrace_synth_opts__clear_time_range(&itrace_synth_opts); 4372 zfree(&script.ptime_range); 4373 } 4374 4375 zstd_fini(&(session->zstd_data)); 4376 evlist__free_stats(session->evlist); 4377 perf_session__delete(session); 4378 perf_script__exit(&script); 4379 4380 if (script_started) 4381 cleanup_scripting(); 4382 dlfilter__cleanup(dlfilter); 4383 free_dlarg(); 4384 out: 4385 return err; 4386 } 4387