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 struct thread *thread) 1167 { 1168 int ilen = 0; 1169 int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t", ip, 1170 dump_insn(x, ip, inbuf, len, &ilen)); 1171 1172 if (PRINT_FIELD(BRSTACKINSNLEN)) 1173 printed += fprintf(fp, "ilen: %d\t", ilen); 1174 1175 if (PRINT_FIELD(SRCLINE)) { 1176 struct addr_location al; 1177 1178 addr_location__init(&al); 1179 thread__find_map(thread, x->cpumode, ip, &al); 1180 printed += map__fprintf_srcline(al.map, al.addr, " srcline: ", fp); 1181 printed += fprintf(fp, "\t"); 1182 addr_location__exit(&al); 1183 } 1184 1185 printed += fprintf(fp, "#%s%s%s%s", 1186 en->flags.predicted ? " PRED" : "", 1187 en->flags.mispred ? " MISPRED" : "", 1188 en->flags.in_tx ? " INTX" : "", 1189 en->flags.abort ? " ABORT" : ""); 1190 if (en->flags.cycles) { 1191 *total_cycles += en->flags.cycles; 1192 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles); 1193 if (insn) 1194 printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles); 1195 } 1196 1197 return printed + fprintf(fp, "\n"); 1198 } 1199 1200 static int ip__fprintf_sym(uint64_t addr, struct thread *thread, 1201 u8 cpumode, int cpu, struct symbol **lastsym, 1202 struct perf_event_attr *attr, FILE *fp) 1203 { 1204 struct addr_location al; 1205 int off, printed = 0, ret = 0; 1206 1207 addr_location__init(&al); 1208 thread__find_map(thread, cpumode, addr, &al); 1209 1210 if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end) 1211 goto out; 1212 1213 al.cpu = cpu; 1214 al.sym = NULL; 1215 if (al.map) 1216 al.sym = map__find_symbol(al.map, al.addr); 1217 1218 if (!al.sym) 1219 goto out; 1220 1221 if (al.addr < al.sym->end) 1222 off = al.addr - al.sym->start; 1223 else 1224 off = al.addr - map__start(al.map) - al.sym->start; 1225 printed += fprintf(fp, "\t%s", al.sym->name); 1226 if (off) 1227 printed += fprintf(fp, "%+d", off); 1228 printed += fprintf(fp, ":"); 1229 if (PRINT_FIELD(SRCLINE)) 1230 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp); 1231 printed += fprintf(fp, "\n"); 1232 *lastsym = al.sym; 1233 1234 ret = printed; 1235 out: 1236 addr_location__exit(&al); 1237 return ret; 1238 } 1239 1240 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample, 1241 struct thread *thread, 1242 struct perf_event_attr *attr, 1243 struct machine *machine, FILE *fp) 1244 { 1245 struct branch_stack *br = sample->branch_stack; 1246 struct branch_entry *entries = perf_sample__branch_entries(sample); 1247 u64 start, end; 1248 int i, insn, len, nr, ilen, printed = 0; 1249 struct perf_insn x; 1250 u8 buffer[MAXBB]; 1251 unsigned off; 1252 struct symbol *lastsym = NULL; 1253 int total_cycles = 0; 1254 1255 if (!(br && br->nr)) 1256 return 0; 1257 nr = br->nr; 1258 if (max_blocks && nr > max_blocks + 1) 1259 nr = max_blocks + 1; 1260 1261 x.thread = thread; 1262 x.cpu = sample->cpu; 1263 1264 printed += fprintf(fp, "%c", '\n'); 1265 1266 /* Handle first from jump, of which we don't know the entry. */ 1267 len = grab_bb(buffer, entries[nr-1].from, 1268 entries[nr-1].from, 1269 machine, thread, &x.is64bit, &x.cpumode, false); 1270 if (len > 0) { 1271 printed += ip__fprintf_sym(entries[nr - 1].from, thread, 1272 x.cpumode, x.cpu, &lastsym, attr, fp); 1273 printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1], 1274 &x, buffer, len, 0, fp, &total_cycles, 1275 attr, thread); 1276 if (PRINT_FIELD(SRCCODE)) 1277 printed += print_srccode(thread, x.cpumode, entries[nr - 1].from); 1278 } 1279 1280 /* Print all blocks */ 1281 for (i = nr - 2; i >= 0; i--) { 1282 if (entries[i].from || entries[i].to) 1283 pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i, 1284 entries[i].from, 1285 entries[i].to); 1286 start = entries[i + 1].to; 1287 end = entries[i].from; 1288 1289 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1290 /* Patch up missing kernel transfers due to ring filters */ 1291 if (len == -ENXIO && i > 0) { 1292 end = entries[--i].from; 1293 pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end); 1294 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1295 } 1296 if (len <= 0) 1297 continue; 1298 1299 insn = 0; 1300 for (off = 0; off < (unsigned)len; off += ilen) { 1301 uint64_t ip = start + off; 1302 1303 printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1304 if (ip == end) { 1305 printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp, 1306 &total_cycles, attr, thread); 1307 if (PRINT_FIELD(SRCCODE)) 1308 printed += print_srccode(thread, x.cpumode, ip); 1309 break; 1310 } else { 1311 ilen = 0; 1312 printed += fprintf(fp, "\t%016" PRIx64 "\t%s", ip, 1313 dump_insn(&x, ip, buffer + off, len - off, &ilen)); 1314 if (PRINT_FIELD(BRSTACKINSNLEN)) 1315 printed += fprintf(fp, "\tilen: %d", ilen); 1316 printed += fprintf(fp, "\n"); 1317 if (ilen == 0) 1318 break; 1319 if (PRINT_FIELD(SRCCODE)) 1320 print_srccode(thread, x.cpumode, ip); 1321 insn++; 1322 } 1323 } 1324 if (off != end - start) 1325 printed += fprintf(fp, "\tmismatch of LBR data and executable\n"); 1326 } 1327 1328 /* 1329 * Hit the branch? In this case we are already done, and the target 1330 * has not been executed yet. 1331 */ 1332 if (entries[0].from == sample->ip) 1333 goto out; 1334 if (entries[0].flags.abort) 1335 goto out; 1336 1337 /* 1338 * Print final block up to sample 1339 * 1340 * Due to pipeline delays the LBRs might be missing a branch 1341 * or two, which can result in very large or negative blocks 1342 * between final branch and sample. When this happens just 1343 * continue walking after the last TO until we hit a branch. 1344 */ 1345 start = entries[0].to; 1346 end = sample->ip; 1347 if (end < start) { 1348 /* Missing jump. Scan 128 bytes for the next branch */ 1349 end = start + 128; 1350 } 1351 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true); 1352 printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1353 if (len <= 0) { 1354 /* Print at least last IP if basic block did not work */ 1355 len = grab_bb(buffer, sample->ip, sample->ip, 1356 machine, thread, &x.is64bit, &x.cpumode, false); 1357 if (len <= 0) 1358 goto out; 1359 ilen = 0; 1360 printed += fprintf(fp, "\t%016" PRIx64 "\t%s", sample->ip, 1361 dump_insn(&x, sample->ip, buffer, len, &ilen)); 1362 if (PRINT_FIELD(BRSTACKINSNLEN)) 1363 printed += fprintf(fp, "\tilen: %d", ilen); 1364 printed += fprintf(fp, "\n"); 1365 if (PRINT_FIELD(SRCCODE)) 1366 print_srccode(thread, x.cpumode, sample->ip); 1367 goto out; 1368 } 1369 for (off = 0; off <= end - start; off += ilen) { 1370 ilen = 0; 1371 printed += fprintf(fp, "\t%016" PRIx64 "\t%s", start + off, 1372 dump_insn(&x, start + off, buffer + off, len - off, &ilen)); 1373 if (PRINT_FIELD(BRSTACKINSNLEN)) 1374 printed += fprintf(fp, "\tilen: %d", ilen); 1375 printed += fprintf(fp, "\n"); 1376 if (ilen == 0) 1377 break; 1378 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) { 1379 /* 1380 * Hit a missing branch. Just stop. 1381 */ 1382 printed += fprintf(fp, "\t... not reaching sample ...\n"); 1383 break; 1384 } 1385 if (PRINT_FIELD(SRCCODE)) 1386 print_srccode(thread, x.cpumode, start + off); 1387 } 1388 out: 1389 return printed; 1390 } 1391 1392 static int perf_sample__fprintf_addr(struct perf_sample *sample, 1393 struct thread *thread, 1394 struct perf_event_attr *attr, FILE *fp) 1395 { 1396 struct addr_location al; 1397 int printed = fprintf(fp, "%16" PRIx64, sample->addr); 1398 1399 addr_location__init(&al); 1400 if (!sample_addr_correlates_sym(attr)) 1401 goto out; 1402 1403 thread__resolve(thread, &al, sample); 1404 1405 if (PRINT_FIELD(SYM)) { 1406 printed += fprintf(fp, " "); 1407 if (PRINT_FIELD(SYMOFFSET)) 1408 printed += symbol__fprintf_symname_offs(al.sym, &al, fp); 1409 else 1410 printed += symbol__fprintf_symname(al.sym, fp); 1411 } 1412 1413 if (PRINT_FIELD(DSO)) 1414 printed += map__fprintf_dsoname_dsoff(al.map, PRINT_FIELD(DSOFF), al.addr, fp); 1415 out: 1416 addr_location__exit(&al); 1417 return printed; 1418 } 1419 1420 static const char *resolve_branch_sym(struct perf_sample *sample, 1421 struct evsel *evsel, 1422 struct thread *thread, 1423 struct addr_location *al, 1424 struct addr_location *addr_al, 1425 u64 *ip) 1426 { 1427 struct perf_event_attr *attr = &evsel->core.attr; 1428 const char *name = NULL; 1429 1430 if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) { 1431 if (sample_addr_correlates_sym(attr)) { 1432 if (!addr_al->thread) 1433 thread__resolve(thread, addr_al, sample); 1434 if (addr_al->sym) 1435 name = addr_al->sym->name; 1436 else 1437 *ip = sample->addr; 1438 } else { 1439 *ip = sample->addr; 1440 } 1441 } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) { 1442 if (al->sym) 1443 name = al->sym->name; 1444 else 1445 *ip = sample->ip; 1446 } 1447 return name; 1448 } 1449 1450 static int perf_sample__fprintf_callindent(struct perf_sample *sample, 1451 struct evsel *evsel, 1452 struct thread *thread, 1453 struct addr_location *al, 1454 struct addr_location *addr_al, 1455 FILE *fp) 1456 { 1457 struct perf_event_attr *attr = &evsel->core.attr; 1458 size_t depth = thread_stack__depth(thread, sample->cpu); 1459 const char *name = NULL; 1460 static int spacing; 1461 int len = 0; 1462 int dlen = 0; 1463 u64 ip = 0; 1464 1465 /* 1466 * The 'return' has already been popped off the stack so the depth has 1467 * to be adjusted to match the 'call'. 1468 */ 1469 if (thread__ts(thread) && sample->flags & PERF_IP_FLAG_RETURN) 1470 depth += 1; 1471 1472 name = resolve_branch_sym(sample, evsel, thread, al, addr_al, &ip); 1473 1474 if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) { 1475 dlen += fprintf(fp, "("); 1476 dlen += map__fprintf_dsoname(al->map, fp); 1477 dlen += fprintf(fp, ")\t"); 1478 } 1479 1480 if (name) 1481 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name); 1482 else if (ip) 1483 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip); 1484 1485 if (len < 0) 1486 return len; 1487 1488 /* 1489 * Try to keep the output length from changing frequently so that the 1490 * output lines up more nicely. 1491 */ 1492 if (len > spacing || (len && len < spacing - 52)) 1493 spacing = round_up(len + 4, 32); 1494 1495 if (len < spacing) 1496 len += fprintf(fp, "%*s", spacing - len, ""); 1497 1498 return len + dlen; 1499 } 1500 1501 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused, 1502 struct thread *thread __maybe_unused, 1503 struct machine *machine __maybe_unused) 1504 { 1505 } 1506 1507 void script_fetch_insn(struct perf_sample *sample, struct thread *thread, 1508 struct machine *machine) 1509 { 1510 if (sample->insn_len == 0 && native_arch) 1511 arch_fetch_insn(sample, thread, machine); 1512 } 1513 1514 static int perf_sample__fprintf_insn(struct perf_sample *sample, 1515 struct perf_event_attr *attr, 1516 struct thread *thread, 1517 struct machine *machine, FILE *fp) 1518 { 1519 int printed = 0; 1520 1521 script_fetch_insn(sample, thread, machine); 1522 1523 if (PRINT_FIELD(INSNLEN)) 1524 printed += fprintf(fp, " ilen: %d", sample->insn_len); 1525 if (PRINT_FIELD(INSN) && sample->insn_len) { 1526 int i; 1527 1528 printed += fprintf(fp, " insn:"); 1529 for (i = 0; i < sample->insn_len; i++) 1530 printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]); 1531 } 1532 if (PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN)) 1533 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp); 1534 1535 return printed; 1536 } 1537 1538 static int perf_sample__fprintf_ipc(struct perf_sample *sample, 1539 struct perf_event_attr *attr, FILE *fp) 1540 { 1541 unsigned int ipc; 1542 1543 if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt) 1544 return 0; 1545 1546 ipc = (sample->insn_cnt * 100) / sample->cyc_cnt; 1547 1548 return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ", 1549 ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt); 1550 } 1551 1552 static int perf_sample__fprintf_bts(struct perf_sample *sample, 1553 struct evsel *evsel, 1554 struct thread *thread, 1555 struct addr_location *al, 1556 struct addr_location *addr_al, 1557 struct machine *machine, FILE *fp) 1558 { 1559 struct perf_event_attr *attr = &evsel->core.attr; 1560 unsigned int type = output_type(attr->type); 1561 bool print_srcline_last = false; 1562 int printed = 0; 1563 1564 if (PRINT_FIELD(CALLINDENT)) 1565 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, addr_al, fp); 1566 1567 /* print branch_from information */ 1568 if (PRINT_FIELD(IP)) { 1569 unsigned int print_opts = output[type].print_ip_opts; 1570 struct callchain_cursor *cursor = NULL; 1571 1572 if (symbol_conf.use_callchain && sample->callchain) { 1573 cursor = get_tls_callchain_cursor(); 1574 if (thread__resolve_callchain(al->thread, cursor, evsel, 1575 sample, NULL, NULL, 1576 scripting_max_stack)) 1577 cursor = NULL; 1578 } 1579 if (cursor == NULL) { 1580 printed += fprintf(fp, " "); 1581 if (print_opts & EVSEL__PRINT_SRCLINE) { 1582 print_srcline_last = true; 1583 print_opts &= ~EVSEL__PRINT_SRCLINE; 1584 } 1585 } else 1586 printed += fprintf(fp, "\n"); 1587 1588 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, 1589 symbol_conf.bt_stop_list, fp); 1590 } 1591 1592 /* print branch_to information */ 1593 if (PRINT_FIELD(ADDR) || 1594 ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 1595 !output[type].user_set)) { 1596 printed += fprintf(fp, " => "); 1597 printed += perf_sample__fprintf_addr(sample, thread, attr, fp); 1598 } 1599 1600 printed += perf_sample__fprintf_ipc(sample, attr, fp); 1601 1602 if (print_srcline_last) 1603 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp); 1604 1605 printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 1606 printed += fprintf(fp, "\n"); 1607 if (PRINT_FIELD(SRCCODE)) { 1608 int ret = map__fprintf_srccode(al->map, al->addr, stdout, 1609 thread__srccode_state(thread)); 1610 if (ret) { 1611 printed += ret; 1612 printed += printf("\n"); 1613 } 1614 } 1615 return printed; 1616 } 1617 1618 static struct { 1619 u32 flags; 1620 const char *name; 1621 } sample_flags[] = { 1622 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"}, 1623 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"}, 1624 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"}, 1625 {PERF_IP_FLAG_BRANCH, "jmp"}, 1626 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"}, 1627 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"}, 1628 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"}, 1629 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"}, 1630 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"}, 1631 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"}, 1632 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"}, 1633 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"}, 1634 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"}, 1635 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMENTRY, "vmentry"}, 1636 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMEXIT, "vmexit"}, 1637 {0, NULL} 1638 }; 1639 1640 static const char *sample_flags_to_name(u32 flags) 1641 { 1642 int i; 1643 1644 for (i = 0; sample_flags[i].name ; i++) { 1645 if (sample_flags[i].flags == flags) 1646 return sample_flags[i].name; 1647 } 1648 1649 return NULL; 1650 } 1651 1652 int perf_sample__sprintf_flags(u32 flags, char *str, size_t sz) 1653 { 1654 u32 xf = PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_INTR_DISABLE | 1655 PERF_IP_FLAG_INTR_TOGGLE; 1656 const char *chars = PERF_IP_FLAG_CHARS; 1657 const size_t n = strlen(PERF_IP_FLAG_CHARS); 1658 const char *name = NULL; 1659 size_t i, pos = 0; 1660 char xs[16] = {0}; 1661 1662 if (flags & xf) 1663 snprintf(xs, sizeof(xs), "(%s%s%s)", 1664 flags & PERF_IP_FLAG_IN_TX ? "x" : "", 1665 flags & PERF_IP_FLAG_INTR_DISABLE ? "D" : "", 1666 flags & PERF_IP_FLAG_INTR_TOGGLE ? "t" : ""); 1667 1668 name = sample_flags_to_name(flags & ~xf); 1669 if (name) 1670 return snprintf(str, sz, "%-15s%6s", name, xs); 1671 1672 if (flags & PERF_IP_FLAG_TRACE_BEGIN) { 1673 name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_BEGIN)); 1674 if (name) 1675 return snprintf(str, sz, "tr strt %-7s%6s", name, xs); 1676 } 1677 1678 if (flags & PERF_IP_FLAG_TRACE_END) { 1679 name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_END)); 1680 if (name) 1681 return snprintf(str, sz, "tr end %-7s%6s", name, xs); 1682 } 1683 1684 for (i = 0; i < n; i++, flags >>= 1) { 1685 if ((flags & 1) && pos < sz) 1686 str[pos++] = chars[i]; 1687 } 1688 for (; i < 32; i++, flags >>= 1) { 1689 if ((flags & 1) && pos < sz) 1690 str[pos++] = '?'; 1691 } 1692 if (pos < sz) 1693 str[pos] = 0; 1694 1695 return pos; 1696 } 1697 1698 static int perf_sample__fprintf_flags(u32 flags, FILE *fp) 1699 { 1700 char str[SAMPLE_FLAGS_BUF_SIZE]; 1701 1702 perf_sample__sprintf_flags(flags, str, sizeof(str)); 1703 return fprintf(fp, " %-21s ", str); 1704 } 1705 1706 struct printer_data { 1707 int line_no; 1708 bool hit_nul; 1709 bool is_printable; 1710 }; 1711 1712 static int sample__fprintf_bpf_output(enum binary_printer_ops op, 1713 unsigned int val, 1714 void *extra, FILE *fp) 1715 { 1716 unsigned char ch = (unsigned char)val; 1717 struct printer_data *printer_data = extra; 1718 int printed = 0; 1719 1720 switch (op) { 1721 case BINARY_PRINT_DATA_BEGIN: 1722 printed += fprintf(fp, "\n"); 1723 break; 1724 case BINARY_PRINT_LINE_BEGIN: 1725 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" : 1726 " "); 1727 break; 1728 case BINARY_PRINT_ADDR: 1729 printed += fprintf(fp, " %04x:", val); 1730 break; 1731 case BINARY_PRINT_NUM_DATA: 1732 printed += fprintf(fp, " %02x", val); 1733 break; 1734 case BINARY_PRINT_NUM_PAD: 1735 printed += fprintf(fp, " "); 1736 break; 1737 case BINARY_PRINT_SEP: 1738 printed += fprintf(fp, " "); 1739 break; 1740 case BINARY_PRINT_CHAR_DATA: 1741 if (printer_data->hit_nul && ch) 1742 printer_data->is_printable = false; 1743 1744 if (!isprint(ch)) { 1745 printed += fprintf(fp, "%c", '.'); 1746 1747 if (!printer_data->is_printable) 1748 break; 1749 1750 if (ch == '\0') 1751 printer_data->hit_nul = true; 1752 else 1753 printer_data->is_printable = false; 1754 } else { 1755 printed += fprintf(fp, "%c", ch); 1756 } 1757 break; 1758 case BINARY_PRINT_CHAR_PAD: 1759 printed += fprintf(fp, " "); 1760 break; 1761 case BINARY_PRINT_LINE_END: 1762 printed += fprintf(fp, "\n"); 1763 printer_data->line_no++; 1764 break; 1765 case BINARY_PRINT_DATA_END: 1766 default: 1767 break; 1768 } 1769 1770 return printed; 1771 } 1772 1773 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp) 1774 { 1775 unsigned int nr_bytes = sample->raw_size; 1776 struct printer_data printer_data = {0, false, true}; 1777 int printed = binary__fprintf(sample->raw_data, nr_bytes, 8, 1778 sample__fprintf_bpf_output, &printer_data, fp); 1779 1780 if (printer_data.is_printable && printer_data.hit_nul) 1781 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data)); 1782 1783 return printed; 1784 } 1785 1786 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp) 1787 { 1788 if (len > 0 && len < spacing) 1789 return fprintf(fp, "%*s", spacing - len, ""); 1790 1791 return 0; 1792 } 1793 1794 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp) 1795 { 1796 return perf_sample__fprintf_spacing(len, 34, fp); 1797 } 1798 1799 /* If a value contains only printable ASCII characters padded with NULLs */ 1800 static bool ptw_is_prt(u64 val) 1801 { 1802 char c; 1803 u32 i; 1804 1805 for (i = 0; i < sizeof(val); i++) { 1806 c = ((char *)&val)[i]; 1807 if (!c) 1808 break; 1809 if (!isprint(c) || !isascii(c)) 1810 return false; 1811 } 1812 for (; i < sizeof(val); i++) { 1813 c = ((char *)&val)[i]; 1814 if (c) 1815 return false; 1816 } 1817 return true; 1818 } 1819 1820 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp) 1821 { 1822 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample); 1823 char str[sizeof(u64) + 1] = ""; 1824 int len; 1825 u64 val; 1826 1827 if (perf_sample__bad_synth_size(sample, *data)) 1828 return 0; 1829 1830 val = le64_to_cpu(data->payload); 1831 if (ptw_is_prt(val)) { 1832 memcpy(str, &val, sizeof(val)); 1833 str[sizeof(val)] = 0; 1834 } 1835 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " %s ", 1836 data->ip, val, str); 1837 return len + perf_sample__fprintf_pt_spacing(len, fp); 1838 } 1839 1840 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp) 1841 { 1842 struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample); 1843 int len; 1844 1845 if (perf_sample__bad_synth_size(sample, *data)) 1846 return 0; 1847 1848 len = fprintf(fp, " hints: %#x extensions: %#x ", 1849 data->hints, data->extensions); 1850 return len + perf_sample__fprintf_pt_spacing(len, fp); 1851 } 1852 1853 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp) 1854 { 1855 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample); 1856 int len; 1857 1858 if (perf_sample__bad_synth_size(sample, *data)) 1859 return 0; 1860 1861 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ", 1862 data->hw, data->cstate, data->subcstate); 1863 return len + perf_sample__fprintf_pt_spacing(len, fp); 1864 } 1865 1866 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp) 1867 { 1868 struct perf_synth_intel_exstop *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, " IP: %u ", data->ip); 1875 return len + perf_sample__fprintf_pt_spacing(len, fp); 1876 } 1877 1878 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp) 1879 { 1880 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample); 1881 int len; 1882 1883 if (perf_sample__bad_synth_size(sample, *data)) 1884 return 0; 1885 1886 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ", 1887 data->deepest_cstate, data->last_cstate, 1888 data->wake_reason); 1889 return len + perf_sample__fprintf_pt_spacing(len, fp); 1890 } 1891 1892 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp) 1893 { 1894 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample); 1895 unsigned int percent, freq; 1896 int len; 1897 1898 if (perf_sample__bad_synth_size(sample, *data)) 1899 return 0; 1900 1901 freq = (le32_to_cpu(data->freq) + 500) / 1000; 1902 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq); 1903 if (data->max_nonturbo) { 1904 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10; 1905 len += fprintf(fp, "(%3u%%) ", percent); 1906 } 1907 return len + perf_sample__fprintf_pt_spacing(len, fp); 1908 } 1909 1910 static int perf_sample__fprintf_synth_psb(struct perf_sample *sample, FILE *fp) 1911 { 1912 struct perf_synth_intel_psb *data = perf_sample__synth_ptr(sample); 1913 int len; 1914 1915 if (perf_sample__bad_synth_size(sample, *data)) 1916 return 0; 1917 1918 len = fprintf(fp, " psb offs: %#" PRIx64, data->offset); 1919 return len + perf_sample__fprintf_pt_spacing(len, fp); 1920 } 1921 1922 /* Intel PT Event Trace */ 1923 static int perf_sample__fprintf_synth_evt(struct perf_sample *sample, FILE *fp) 1924 { 1925 struct perf_synth_intel_evt *data = perf_sample__synth_ptr(sample); 1926 const char *cfe[32] = {NULL, "INTR", "IRET", "SMI", "RSM", "SIPI", 1927 "INIT", "VMENTRY", "VMEXIT", "VMEXIT_INTR", 1928 "SHUTDOWN", NULL, "UINTR", "UIRET"}; 1929 const char *evd[64] = {"PFA", "VMXQ", "VMXR"}; 1930 const char *s; 1931 int len, i; 1932 1933 if (perf_sample__bad_synth_size(sample, *data)) 1934 return 0; 1935 1936 s = cfe[data->type]; 1937 if (s) { 1938 len = fprintf(fp, " cfe: %s IP: %d vector: %u", 1939 s, data->ip, data->vector); 1940 } else { 1941 len = fprintf(fp, " cfe: %u IP: %d vector: %u", 1942 data->type, data->ip, data->vector); 1943 } 1944 for (i = 0; i < data->evd_cnt; i++) { 1945 unsigned int et = data->evd[i].evd_type & 0x3f; 1946 1947 s = evd[et]; 1948 if (s) { 1949 len += fprintf(fp, " %s: %#" PRIx64, 1950 s, data->evd[i].payload); 1951 } else { 1952 len += fprintf(fp, " EVD_%u: %#" PRIx64, 1953 et, data->evd[i].payload); 1954 } 1955 } 1956 return len + perf_sample__fprintf_pt_spacing(len, fp); 1957 } 1958 1959 static int perf_sample__fprintf_synth_iflag_chg(struct perf_sample *sample, FILE *fp) 1960 { 1961 struct perf_synth_intel_iflag_chg *data = perf_sample__synth_ptr(sample); 1962 int len; 1963 1964 if (perf_sample__bad_synth_size(sample, *data)) 1965 return 0; 1966 1967 len = fprintf(fp, " IFLAG: %d->%d %s branch", !data->iflag, data->iflag, 1968 data->via_branch ? "via" : "non"); 1969 return len + perf_sample__fprintf_pt_spacing(len, fp); 1970 } 1971 1972 static int perf_sample__fprintf_synth(struct perf_sample *sample, 1973 struct evsel *evsel, FILE *fp) 1974 { 1975 switch (evsel->core.attr.config) { 1976 case PERF_SYNTH_INTEL_PTWRITE: 1977 return perf_sample__fprintf_synth_ptwrite(sample, fp); 1978 case PERF_SYNTH_INTEL_MWAIT: 1979 return perf_sample__fprintf_synth_mwait(sample, fp); 1980 case PERF_SYNTH_INTEL_PWRE: 1981 return perf_sample__fprintf_synth_pwre(sample, fp); 1982 case PERF_SYNTH_INTEL_EXSTOP: 1983 return perf_sample__fprintf_synth_exstop(sample, fp); 1984 case PERF_SYNTH_INTEL_PWRX: 1985 return perf_sample__fprintf_synth_pwrx(sample, fp); 1986 case PERF_SYNTH_INTEL_CBR: 1987 return perf_sample__fprintf_synth_cbr(sample, fp); 1988 case PERF_SYNTH_INTEL_PSB: 1989 return perf_sample__fprintf_synth_psb(sample, fp); 1990 case PERF_SYNTH_INTEL_EVT: 1991 return perf_sample__fprintf_synth_evt(sample, fp); 1992 case PERF_SYNTH_INTEL_IFLAG_CHG: 1993 return perf_sample__fprintf_synth_iflag_chg(sample, fp); 1994 default: 1995 break; 1996 } 1997 1998 return 0; 1999 } 2000 2001 static int evlist__max_name_len(struct evlist *evlist) 2002 { 2003 struct evsel *evsel; 2004 int max = 0; 2005 2006 evlist__for_each_entry(evlist, evsel) { 2007 int len = strlen(evsel__name(evsel)); 2008 2009 max = MAX(len, max); 2010 } 2011 2012 return max; 2013 } 2014 2015 static int data_src__fprintf(u64 data_src, FILE *fp) 2016 { 2017 struct mem_info mi = { .data_src.val = data_src }; 2018 char decode[100]; 2019 char out[100]; 2020 static int maxlen; 2021 int len; 2022 2023 perf_script__meminfo_scnprintf(decode, 100, &mi); 2024 2025 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode); 2026 if (maxlen < len) 2027 maxlen = len; 2028 2029 return fprintf(fp, "%-*s", maxlen, out); 2030 } 2031 2032 struct metric_ctx { 2033 struct perf_sample *sample; 2034 struct thread *thread; 2035 struct evsel *evsel; 2036 FILE *fp; 2037 }; 2038 2039 static void script_print_metric(struct perf_stat_config *config __maybe_unused, 2040 void *ctx, const char *color, 2041 const char *fmt, 2042 const char *unit, double val) 2043 { 2044 struct metric_ctx *mctx = ctx; 2045 2046 if (!fmt) 2047 return; 2048 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, 2049 PERF_RECORD_SAMPLE, mctx->fp); 2050 fputs("\tmetric: ", mctx->fp); 2051 if (color) 2052 color_fprintf(mctx->fp, color, fmt, val); 2053 else 2054 printf(fmt, val); 2055 fprintf(mctx->fp, " %s\n", unit); 2056 } 2057 2058 static void script_new_line(struct perf_stat_config *config __maybe_unused, 2059 void *ctx) 2060 { 2061 struct metric_ctx *mctx = ctx; 2062 2063 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, 2064 PERF_RECORD_SAMPLE, mctx->fp); 2065 fputs("\tmetric: ", mctx->fp); 2066 } 2067 2068 static void perf_sample__fprint_metric(struct perf_script *script, 2069 struct thread *thread, 2070 struct evsel *evsel, 2071 struct perf_sample *sample, 2072 FILE *fp) 2073 { 2074 struct evsel *leader = evsel__leader(evsel); 2075 struct perf_stat_output_ctx ctx = { 2076 .print_metric = script_print_metric, 2077 .new_line = script_new_line, 2078 .ctx = &(struct metric_ctx) { 2079 .sample = sample, 2080 .thread = thread, 2081 .evsel = evsel, 2082 .fp = fp, 2083 }, 2084 .force_header = false, 2085 }; 2086 struct evsel *ev2; 2087 u64 val; 2088 2089 if (!evsel->stats) 2090 evlist__alloc_stats(&stat_config, script->session->evlist, /*alloc_raw=*/false); 2091 if (evsel_script(leader)->gnum++ == 0) 2092 perf_stat__reset_shadow_stats(); 2093 val = sample->period * evsel->scale; 2094 evsel_script(evsel)->val = val; 2095 if (evsel_script(leader)->gnum == leader->core.nr_members) { 2096 for_each_group_member (ev2, leader) { 2097 perf_stat__print_shadow_stats(&stat_config, ev2, 2098 evsel_script(ev2)->val, 2099 sample->cpu, 2100 &ctx, 2101 NULL); 2102 } 2103 evsel_script(leader)->gnum = 0; 2104 } 2105 } 2106 2107 static bool show_event(struct perf_sample *sample, 2108 struct evsel *evsel, 2109 struct thread *thread, 2110 struct addr_location *al, 2111 struct addr_location *addr_al) 2112 { 2113 int depth = thread_stack__depth(thread, sample->cpu); 2114 2115 if (!symbol_conf.graph_function) 2116 return true; 2117 2118 if (thread__filter(thread)) { 2119 if (depth <= thread__filter_entry_depth(thread)) { 2120 thread__set_filter(thread, false); 2121 return false; 2122 } 2123 return true; 2124 } else { 2125 const char *s = symbol_conf.graph_function; 2126 u64 ip; 2127 const char *name = resolve_branch_sym(sample, evsel, thread, al, addr_al, 2128 &ip); 2129 unsigned nlen; 2130 2131 if (!name) 2132 return false; 2133 nlen = strlen(name); 2134 while (*s) { 2135 unsigned len = strcspn(s, ","); 2136 if (nlen == len && !strncmp(name, s, len)) { 2137 thread__set_filter(thread, true); 2138 thread__set_filter_entry_depth(thread, depth); 2139 return true; 2140 } 2141 s += len; 2142 if (*s == ',') 2143 s++; 2144 } 2145 return false; 2146 } 2147 } 2148 2149 static void process_event(struct perf_script *script, 2150 struct perf_sample *sample, struct evsel *evsel, 2151 struct addr_location *al, 2152 struct addr_location *addr_al, 2153 struct machine *machine) 2154 { 2155 struct thread *thread = al->thread; 2156 struct perf_event_attr *attr = &evsel->core.attr; 2157 unsigned int type = output_type(attr->type); 2158 struct evsel_script *es = evsel->priv; 2159 FILE *fp = es->fp; 2160 char str[PAGE_SIZE_NAME_LEN]; 2161 const char *arch = perf_env__arch(machine->env); 2162 2163 if (output[type].fields == 0) 2164 return; 2165 2166 ++es->samples; 2167 2168 perf_sample__fprintf_start(script, sample, thread, evsel, 2169 PERF_RECORD_SAMPLE, fp); 2170 2171 if (PRINT_FIELD(PERIOD)) 2172 fprintf(fp, "%10" PRIu64 " ", sample->period); 2173 2174 if (PRINT_FIELD(EVNAME)) { 2175 const char *evname = evsel__name(evsel); 2176 2177 if (!script->name_width) 2178 script->name_width = evlist__max_name_len(script->session->evlist); 2179 2180 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]"); 2181 } 2182 2183 if (print_flags) 2184 perf_sample__fprintf_flags(sample->flags, fp); 2185 2186 if (is_bts_event(attr)) { 2187 perf_sample__fprintf_bts(sample, evsel, thread, al, addr_al, machine, fp); 2188 return; 2189 } 2190 #ifdef HAVE_LIBTRACEEVENT 2191 if (PRINT_FIELD(TRACE) && sample->raw_data) { 2192 event_format__fprintf(evsel->tp_format, sample->cpu, 2193 sample->raw_data, sample->raw_size, fp); 2194 } 2195 #endif 2196 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH)) 2197 perf_sample__fprintf_synth(sample, evsel, fp); 2198 2199 if (PRINT_FIELD(ADDR)) 2200 perf_sample__fprintf_addr(sample, thread, attr, fp); 2201 2202 if (PRINT_FIELD(DATA_SRC)) 2203 data_src__fprintf(sample->data_src, fp); 2204 2205 if (PRINT_FIELD(WEIGHT)) 2206 fprintf(fp, "%16" PRIu64, sample->weight); 2207 2208 if (PRINT_FIELD(INS_LAT)) 2209 fprintf(fp, "%16" PRIu16, sample->ins_lat); 2210 2211 if (PRINT_FIELD(RETIRE_LAT)) 2212 fprintf(fp, "%16" PRIu16, sample->retire_lat); 2213 2214 if (PRINT_FIELD(CGROUP)) { 2215 const char *cgrp_name; 2216 struct cgroup *cgrp = cgroup__find(machine->env, 2217 sample->cgroup); 2218 if (cgrp != NULL) 2219 cgrp_name = cgrp->name; 2220 else 2221 cgrp_name = "unknown"; 2222 fprintf(fp, " %s", cgrp_name); 2223 } 2224 2225 if (PRINT_FIELD(IP)) { 2226 struct callchain_cursor *cursor = NULL; 2227 2228 if (script->stitch_lbr) 2229 thread__set_lbr_stitch_enable(al->thread, true); 2230 2231 if (symbol_conf.use_callchain && sample->callchain) { 2232 cursor = get_tls_callchain_cursor(); 2233 if (thread__resolve_callchain(al->thread, cursor, evsel, 2234 sample, NULL, NULL, 2235 scripting_max_stack)) 2236 cursor = NULL; 2237 } 2238 fputc(cursor ? '\n' : ' ', fp); 2239 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, 2240 symbol_conf.bt_stop_list, fp); 2241 } 2242 2243 if (PRINT_FIELD(IREGS)) 2244 perf_sample__fprintf_iregs(sample, attr, arch, fp); 2245 2246 if (PRINT_FIELD(UREGS)) 2247 perf_sample__fprintf_uregs(sample, attr, arch, fp); 2248 2249 if (PRINT_FIELD(BRSTACK)) 2250 perf_sample__fprintf_brstack(sample, thread, attr, fp); 2251 else if (PRINT_FIELD(BRSTACKSYM)) 2252 perf_sample__fprintf_brstacksym(sample, thread, attr, fp); 2253 else if (PRINT_FIELD(BRSTACKOFF)) 2254 perf_sample__fprintf_brstackoff(sample, thread, attr, fp); 2255 2256 if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT)) 2257 perf_sample__fprintf_bpf_output(sample, fp); 2258 perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 2259 2260 if (PRINT_FIELD(PHYS_ADDR)) 2261 fprintf(fp, "%16" PRIx64, sample->phys_addr); 2262 2263 if (PRINT_FIELD(DATA_PAGE_SIZE)) 2264 fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str)); 2265 2266 if (PRINT_FIELD(CODE_PAGE_SIZE)) 2267 fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str)); 2268 2269 perf_sample__fprintf_ipc(sample, attr, fp); 2270 2271 fprintf(fp, "\n"); 2272 2273 if (PRINT_FIELD(SRCCODE)) { 2274 if (map__fprintf_srccode(al->map, al->addr, stdout, 2275 thread__srccode_state(thread))) 2276 printf("\n"); 2277 } 2278 2279 if (PRINT_FIELD(METRIC)) 2280 perf_sample__fprint_metric(script, thread, evsel, sample, fp); 2281 2282 if (verbose > 0) 2283 fflush(fp); 2284 } 2285 2286 static struct scripting_ops *scripting_ops; 2287 2288 static void __process_stat(struct evsel *counter, u64 tstamp) 2289 { 2290 int nthreads = perf_thread_map__nr(counter->core.threads); 2291 int idx, thread; 2292 struct perf_cpu cpu; 2293 static int header_printed; 2294 2295 if (!header_printed) { 2296 printf("%3s %8s %15s %15s %15s %15s %s\n", 2297 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT"); 2298 header_printed = 1; 2299 } 2300 2301 for (thread = 0; thread < nthreads; thread++) { 2302 perf_cpu_map__for_each_cpu(cpu, idx, evsel__cpus(counter)) { 2303 struct perf_counts_values *counts; 2304 2305 counts = perf_counts(counter->counts, idx, thread); 2306 2307 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n", 2308 cpu.cpu, 2309 perf_thread_map__pid(counter->core.threads, thread), 2310 counts->val, 2311 counts->ena, 2312 counts->run, 2313 tstamp, 2314 evsel__name(counter)); 2315 } 2316 } 2317 } 2318 2319 static void process_stat(struct evsel *counter, u64 tstamp) 2320 { 2321 if (scripting_ops && scripting_ops->process_stat) 2322 scripting_ops->process_stat(&stat_config, counter, tstamp); 2323 else 2324 __process_stat(counter, tstamp); 2325 } 2326 2327 static void process_stat_interval(u64 tstamp) 2328 { 2329 if (scripting_ops && scripting_ops->process_stat_interval) 2330 scripting_ops->process_stat_interval(tstamp); 2331 } 2332 2333 static void setup_scripting(void) 2334 { 2335 #ifdef HAVE_LIBTRACEEVENT 2336 setup_perl_scripting(); 2337 #endif 2338 setup_python_scripting(); 2339 } 2340 2341 static int flush_scripting(void) 2342 { 2343 return scripting_ops ? scripting_ops->flush_script() : 0; 2344 } 2345 2346 static int cleanup_scripting(void) 2347 { 2348 pr_debug("\nperf script stopped\n"); 2349 2350 return scripting_ops ? scripting_ops->stop_script() : 0; 2351 } 2352 2353 static bool filter_cpu(struct perf_sample *sample) 2354 { 2355 if (cpu_list && sample->cpu != (u32)-1) 2356 return !test_bit(sample->cpu, cpu_bitmap); 2357 return false; 2358 } 2359 2360 static int process_sample_event(struct perf_tool *tool, 2361 union perf_event *event, 2362 struct perf_sample *sample, 2363 struct evsel *evsel, 2364 struct machine *machine) 2365 { 2366 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2367 struct addr_location al; 2368 struct addr_location addr_al; 2369 int ret = 0; 2370 2371 /* Set thread to NULL to indicate addr_al and al are not initialized */ 2372 addr_location__init(&al); 2373 addr_location__init(&addr_al); 2374 2375 ret = dlfilter__filter_event_early(dlfilter, event, sample, evsel, machine, &al, &addr_al); 2376 if (ret) { 2377 if (ret > 0) 2378 ret = 0; 2379 goto out_put; 2380 } 2381 2382 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num, 2383 sample->time)) { 2384 goto out_put; 2385 } 2386 2387 if (debug_mode) { 2388 if (sample->time < last_timestamp) { 2389 pr_err("Samples misordered, previous: %" PRIu64 2390 " this: %" PRIu64 "\n", last_timestamp, 2391 sample->time); 2392 nr_unordered++; 2393 } 2394 last_timestamp = sample->time; 2395 goto out_put; 2396 } 2397 2398 if (filter_cpu(sample)) 2399 goto out_put; 2400 2401 if (!al.thread && machine__resolve(machine, &al, sample) < 0) { 2402 pr_err("problem processing %d event, skipping it.\n", 2403 event->header.type); 2404 ret = -1; 2405 goto out_put; 2406 } 2407 2408 if (al.filtered) 2409 goto out_put; 2410 2411 if (!show_event(sample, evsel, al.thread, &al, &addr_al)) 2412 goto out_put; 2413 2414 if (evswitch__discard(&scr->evswitch, evsel)) 2415 goto out_put; 2416 2417 ret = dlfilter__filter_event(dlfilter, event, sample, evsel, machine, &al, &addr_al); 2418 if (ret) { 2419 if (ret > 0) 2420 ret = 0; 2421 goto out_put; 2422 } 2423 2424 if (scripting_ops) { 2425 struct addr_location *addr_al_ptr = NULL; 2426 2427 if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 2428 sample_addr_correlates_sym(&evsel->core.attr)) { 2429 if (!addr_al.thread) 2430 thread__resolve(al.thread, &addr_al, sample); 2431 addr_al_ptr = &addr_al; 2432 } 2433 scripting_ops->process_event(event, sample, evsel, &al, addr_al_ptr); 2434 } else { 2435 process_event(scr, sample, evsel, &al, &addr_al, machine); 2436 } 2437 2438 out_put: 2439 addr_location__exit(&addr_al); 2440 addr_location__exit(&al); 2441 return ret; 2442 } 2443 2444 // Used when scr->per_event_dump is not set 2445 static struct evsel_script es_stdout; 2446 2447 static int process_attr(struct perf_tool *tool, union perf_event *event, 2448 struct evlist **pevlist) 2449 { 2450 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2451 struct evlist *evlist; 2452 struct evsel *evsel, *pos; 2453 u64 sample_type; 2454 int err; 2455 2456 err = perf_event__process_attr(tool, event, pevlist); 2457 if (err) 2458 return err; 2459 2460 evlist = *pevlist; 2461 evsel = evlist__last(*pevlist); 2462 2463 if (!evsel->priv) { 2464 if (scr->per_event_dump) { 2465 evsel->priv = evsel_script__new(evsel, scr->session->data); 2466 if (!evsel->priv) 2467 return -ENOMEM; 2468 } else { // Replicate what is done in perf_script__setup_per_event_dump() 2469 es_stdout.fp = stdout; 2470 evsel->priv = &es_stdout; 2471 } 2472 } 2473 2474 if (evsel->core.attr.type >= PERF_TYPE_MAX && 2475 evsel->core.attr.type != PERF_TYPE_SYNTH) 2476 return 0; 2477 2478 evlist__for_each_entry(evlist, pos) { 2479 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel) 2480 return 0; 2481 } 2482 2483 if (evsel->core.attr.sample_type) { 2484 err = evsel__check_attr(evsel, scr->session); 2485 if (err) 2486 return err; 2487 } 2488 2489 /* 2490 * Check if we need to enable callchains based 2491 * on events sample_type. 2492 */ 2493 sample_type = evlist__combined_sample_type(evlist); 2494 callchain_param_setup(sample_type, perf_env__arch((*pevlist)->env)); 2495 2496 /* Enable fields for callchain entries */ 2497 if (symbol_conf.use_callchain && 2498 (sample_type & PERF_SAMPLE_CALLCHAIN || 2499 sample_type & PERF_SAMPLE_BRANCH_STACK || 2500 (sample_type & PERF_SAMPLE_REGS_USER && 2501 sample_type & PERF_SAMPLE_STACK_USER))) { 2502 int type = output_type(evsel->core.attr.type); 2503 2504 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP)) 2505 output[type].fields |= PERF_OUTPUT_IP; 2506 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM)) 2507 output[type].fields |= PERF_OUTPUT_SYM; 2508 } 2509 set_print_ip_opts(&evsel->core.attr); 2510 return 0; 2511 } 2512 2513 static int print_event_with_time(struct perf_tool *tool, 2514 union perf_event *event, 2515 struct perf_sample *sample, 2516 struct machine *machine, 2517 pid_t pid, pid_t tid, u64 timestamp) 2518 { 2519 struct perf_script *script = container_of(tool, struct perf_script, tool); 2520 struct perf_session *session = script->session; 2521 struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id); 2522 struct thread *thread = NULL; 2523 2524 if (evsel && !evsel->core.attr.sample_id_all) { 2525 sample->cpu = 0; 2526 sample->time = timestamp; 2527 sample->pid = pid; 2528 sample->tid = tid; 2529 } 2530 2531 if (filter_cpu(sample)) 2532 return 0; 2533 2534 if (tid != -1) 2535 thread = machine__findnew_thread(machine, pid, tid); 2536 2537 if (evsel) { 2538 perf_sample__fprintf_start(script, sample, thread, evsel, 2539 event->header.type, stdout); 2540 } 2541 2542 perf_event__fprintf(event, machine, stdout); 2543 2544 thread__put(thread); 2545 2546 return 0; 2547 } 2548 2549 static int print_event(struct perf_tool *tool, union perf_event *event, 2550 struct perf_sample *sample, struct machine *machine, 2551 pid_t pid, pid_t tid) 2552 { 2553 return print_event_with_time(tool, event, sample, machine, pid, tid, 0); 2554 } 2555 2556 static int process_comm_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_comm(tool, event, sample, machine) < 0) 2562 return -1; 2563 2564 return print_event(tool, event, sample, machine, event->comm.pid, 2565 event->comm.tid); 2566 } 2567 2568 static int process_namespaces_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_namespaces(tool, event, sample, machine) < 0) 2574 return -1; 2575 2576 return print_event(tool, event, sample, machine, event->namespaces.pid, 2577 event->namespaces.tid); 2578 } 2579 2580 static int process_cgroup_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_cgroup(tool, event, sample, machine) < 0) 2586 return -1; 2587 2588 return print_event(tool, event, sample, machine, sample->pid, 2589 sample->tid); 2590 } 2591 2592 static int process_fork_event(struct perf_tool *tool, 2593 union perf_event *event, 2594 struct perf_sample *sample, 2595 struct machine *machine) 2596 { 2597 if (perf_event__process_fork(tool, event, sample, machine) < 0) 2598 return -1; 2599 2600 return print_event_with_time(tool, event, sample, machine, 2601 event->fork.pid, event->fork.tid, 2602 event->fork.time); 2603 } 2604 static int process_exit_event(struct perf_tool *tool, 2605 union perf_event *event, 2606 struct perf_sample *sample, 2607 struct machine *machine) 2608 { 2609 /* Print before 'exit' deletes anything */ 2610 if (print_event_with_time(tool, event, sample, machine, event->fork.pid, 2611 event->fork.tid, event->fork.time)) 2612 return -1; 2613 2614 return perf_event__process_exit(tool, event, sample, machine); 2615 } 2616 2617 static int process_mmap_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_mmap(tool, event, sample, machine) < 0) 2623 return -1; 2624 2625 return print_event(tool, event, sample, machine, event->mmap.pid, 2626 event->mmap.tid); 2627 } 2628 2629 static int process_mmap2_event(struct perf_tool *tool, 2630 union perf_event *event, 2631 struct perf_sample *sample, 2632 struct machine *machine) 2633 { 2634 if (perf_event__process_mmap2(tool, event, sample, machine) < 0) 2635 return -1; 2636 2637 return print_event(tool, event, sample, machine, event->mmap2.pid, 2638 event->mmap2.tid); 2639 } 2640 2641 static int process_switch_event(struct perf_tool *tool, 2642 union perf_event *event, 2643 struct perf_sample *sample, 2644 struct machine *machine) 2645 { 2646 struct perf_script *script = container_of(tool, struct perf_script, tool); 2647 2648 if (perf_event__process_switch(tool, event, sample, machine) < 0) 2649 return -1; 2650 2651 if (scripting_ops && scripting_ops->process_switch && !filter_cpu(sample)) 2652 scripting_ops->process_switch(event, sample, machine); 2653 2654 if (!script->show_switch_events) 2655 return 0; 2656 2657 return print_event(tool, event, sample, machine, sample->pid, 2658 sample->tid); 2659 } 2660 2661 static int process_auxtrace_error(struct perf_session *session, 2662 union perf_event *event) 2663 { 2664 if (scripting_ops && scripting_ops->process_auxtrace_error) { 2665 scripting_ops->process_auxtrace_error(session, event); 2666 return 0; 2667 } 2668 2669 return perf_event__process_auxtrace_error(session, event); 2670 } 2671 2672 static int 2673 process_lost_event(struct perf_tool *tool, 2674 union perf_event *event, 2675 struct perf_sample *sample, 2676 struct machine *machine) 2677 { 2678 return print_event(tool, event, sample, machine, sample->pid, 2679 sample->tid); 2680 } 2681 2682 static int 2683 process_throttle_event(struct perf_tool *tool __maybe_unused, 2684 union perf_event *event, 2685 struct perf_sample *sample, 2686 struct machine *machine) 2687 { 2688 if (scripting_ops && scripting_ops->process_throttle) 2689 scripting_ops->process_throttle(event, sample, machine); 2690 return 0; 2691 } 2692 2693 static int 2694 process_finished_round_event(struct perf_tool *tool __maybe_unused, 2695 union perf_event *event, 2696 struct ordered_events *oe __maybe_unused) 2697 2698 { 2699 perf_event__fprintf(event, NULL, stdout); 2700 return 0; 2701 } 2702 2703 static int 2704 process_bpf_events(struct perf_tool *tool __maybe_unused, 2705 union perf_event *event, 2706 struct perf_sample *sample, 2707 struct machine *machine) 2708 { 2709 if (machine__process_ksymbol(machine, event, sample) < 0) 2710 return -1; 2711 2712 return print_event(tool, event, sample, machine, sample->pid, 2713 sample->tid); 2714 } 2715 2716 static int process_text_poke_events(struct perf_tool *tool, 2717 union perf_event *event, 2718 struct perf_sample *sample, 2719 struct machine *machine) 2720 { 2721 if (perf_event__process_text_poke(tool, event, sample, machine) < 0) 2722 return -1; 2723 2724 return print_event(tool, event, sample, machine, sample->pid, 2725 sample->tid); 2726 } 2727 2728 static void sig_handler(int sig __maybe_unused) 2729 { 2730 session_done = 1; 2731 } 2732 2733 static void perf_script__fclose_per_event_dump(struct perf_script *script) 2734 { 2735 struct evlist *evlist = script->session->evlist; 2736 struct evsel *evsel; 2737 2738 evlist__for_each_entry(evlist, evsel) { 2739 if (!evsel->priv) 2740 break; 2741 evsel_script__delete(evsel->priv); 2742 evsel->priv = NULL; 2743 } 2744 } 2745 2746 static int perf_script__fopen_per_event_dump(struct perf_script *script) 2747 { 2748 struct evsel *evsel; 2749 2750 evlist__for_each_entry(script->session->evlist, evsel) { 2751 /* 2752 * Already setup? I.e. we may be called twice in cases like 2753 * Intel PT, one for the intel_pt// and dummy events, then 2754 * for the evsels synthesized from the auxtrace info. 2755 * 2756 * Ses perf_script__process_auxtrace_info. 2757 */ 2758 if (evsel->priv != NULL) 2759 continue; 2760 2761 evsel->priv = evsel_script__new(evsel, script->session->data); 2762 if (evsel->priv == NULL) 2763 goto out_err_fclose; 2764 } 2765 2766 return 0; 2767 2768 out_err_fclose: 2769 perf_script__fclose_per_event_dump(script); 2770 return -1; 2771 } 2772 2773 static int perf_script__setup_per_event_dump(struct perf_script *script) 2774 { 2775 struct evsel *evsel; 2776 2777 if (script->per_event_dump) 2778 return perf_script__fopen_per_event_dump(script); 2779 2780 es_stdout.fp = stdout; 2781 2782 evlist__for_each_entry(script->session->evlist, evsel) 2783 evsel->priv = &es_stdout; 2784 2785 return 0; 2786 } 2787 2788 static void perf_script__exit_per_event_dump_stats(struct perf_script *script) 2789 { 2790 struct evsel *evsel; 2791 2792 evlist__for_each_entry(script->session->evlist, evsel) { 2793 struct evsel_script *es = evsel->priv; 2794 2795 evsel_script__fprintf(es, stdout); 2796 evsel_script__delete(es); 2797 evsel->priv = NULL; 2798 } 2799 } 2800 2801 static void perf_script__exit(struct perf_script *script) 2802 { 2803 perf_thread_map__put(script->threads); 2804 perf_cpu_map__put(script->cpus); 2805 } 2806 2807 static int __cmd_script(struct perf_script *script) 2808 { 2809 int ret; 2810 2811 signal(SIGINT, sig_handler); 2812 2813 /* override event processing functions */ 2814 if (script->show_task_events) { 2815 script->tool.comm = process_comm_event; 2816 script->tool.fork = process_fork_event; 2817 script->tool.exit = process_exit_event; 2818 } 2819 if (script->show_mmap_events) { 2820 script->tool.mmap = process_mmap_event; 2821 script->tool.mmap2 = process_mmap2_event; 2822 } 2823 if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch)) 2824 script->tool.context_switch = process_switch_event; 2825 if (scripting_ops && scripting_ops->process_auxtrace_error) 2826 script->tool.auxtrace_error = process_auxtrace_error; 2827 if (script->show_namespace_events) 2828 script->tool.namespaces = process_namespaces_event; 2829 if (script->show_cgroup_events) 2830 script->tool.cgroup = process_cgroup_event; 2831 if (script->show_lost_events) 2832 script->tool.lost = process_lost_event; 2833 if (script->show_round_events) { 2834 script->tool.ordered_events = false; 2835 script->tool.finished_round = process_finished_round_event; 2836 } 2837 if (script->show_bpf_events) { 2838 script->tool.ksymbol = process_bpf_events; 2839 script->tool.bpf = process_bpf_events; 2840 } 2841 if (script->show_text_poke_events) { 2842 script->tool.ksymbol = process_bpf_events; 2843 script->tool.text_poke = process_text_poke_events; 2844 } 2845 2846 if (perf_script__setup_per_event_dump(script)) { 2847 pr_err("Couldn't create the per event dump files\n"); 2848 return -1; 2849 } 2850 2851 ret = perf_session__process_events(script->session); 2852 2853 if (script->per_event_dump) 2854 perf_script__exit_per_event_dump_stats(script); 2855 2856 if (debug_mode) 2857 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); 2858 2859 return ret; 2860 } 2861 2862 struct script_spec { 2863 struct list_head node; 2864 struct scripting_ops *ops; 2865 char spec[]; 2866 }; 2867 2868 static LIST_HEAD(script_specs); 2869 2870 static struct script_spec *script_spec__new(const char *spec, 2871 struct scripting_ops *ops) 2872 { 2873 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); 2874 2875 if (s != NULL) { 2876 strcpy(s->spec, spec); 2877 s->ops = ops; 2878 } 2879 2880 return s; 2881 } 2882 2883 static void script_spec__add(struct script_spec *s) 2884 { 2885 list_add_tail(&s->node, &script_specs); 2886 } 2887 2888 static struct script_spec *script_spec__find(const char *spec) 2889 { 2890 struct script_spec *s; 2891 2892 list_for_each_entry(s, &script_specs, node) 2893 if (strcasecmp(s->spec, spec) == 0) 2894 return s; 2895 return NULL; 2896 } 2897 2898 int script_spec_register(const char *spec, struct scripting_ops *ops) 2899 { 2900 struct script_spec *s; 2901 2902 s = script_spec__find(spec); 2903 if (s) 2904 return -1; 2905 2906 s = script_spec__new(spec, ops); 2907 if (!s) 2908 return -1; 2909 else 2910 script_spec__add(s); 2911 2912 return 0; 2913 } 2914 2915 static struct scripting_ops *script_spec__lookup(const char *spec) 2916 { 2917 struct script_spec *s = script_spec__find(spec); 2918 if (!s) 2919 return NULL; 2920 2921 return s->ops; 2922 } 2923 2924 static void list_available_languages(void) 2925 { 2926 struct script_spec *s; 2927 2928 fprintf(stderr, "\n"); 2929 fprintf(stderr, "Scripting language extensions (used in " 2930 "perf script -s [spec:]script.[spec]):\n\n"); 2931 2932 list_for_each_entry(s, &script_specs, node) 2933 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); 2934 2935 fprintf(stderr, "\n"); 2936 } 2937 2938 /* Find script file relative to current directory or exec path */ 2939 static char *find_script(const char *script) 2940 { 2941 char path[PATH_MAX]; 2942 2943 if (!scripting_ops) { 2944 const char *ext = strrchr(script, '.'); 2945 2946 if (!ext) 2947 return NULL; 2948 2949 scripting_ops = script_spec__lookup(++ext); 2950 if (!scripting_ops) 2951 return NULL; 2952 } 2953 2954 if (access(script, R_OK)) { 2955 char *exec_path = get_argv_exec_path(); 2956 2957 if (!exec_path) 2958 return NULL; 2959 snprintf(path, sizeof(path), "%s/scripts/%s/%s", 2960 exec_path, scripting_ops->dirname, script); 2961 free(exec_path); 2962 script = path; 2963 if (access(script, R_OK)) 2964 return NULL; 2965 } 2966 return strdup(script); 2967 } 2968 2969 static int parse_scriptname(const struct option *opt __maybe_unused, 2970 const char *str, int unset __maybe_unused) 2971 { 2972 char spec[PATH_MAX]; 2973 const char *script, *ext; 2974 int len; 2975 2976 if (strcmp(str, "lang") == 0) { 2977 list_available_languages(); 2978 exit(0); 2979 } 2980 2981 script = strchr(str, ':'); 2982 if (script) { 2983 len = script - str; 2984 if (len >= PATH_MAX) { 2985 fprintf(stderr, "invalid language specifier"); 2986 return -1; 2987 } 2988 strncpy(spec, str, len); 2989 spec[len] = '\0'; 2990 scripting_ops = script_spec__lookup(spec); 2991 if (!scripting_ops) { 2992 fprintf(stderr, "invalid language specifier"); 2993 return -1; 2994 } 2995 script++; 2996 } else { 2997 script = str; 2998 ext = strrchr(script, '.'); 2999 if (!ext) { 3000 fprintf(stderr, "invalid script extension"); 3001 return -1; 3002 } 3003 scripting_ops = script_spec__lookup(++ext); 3004 if (!scripting_ops) { 3005 fprintf(stderr, "invalid script extension"); 3006 return -1; 3007 } 3008 } 3009 3010 script_name = find_script(script); 3011 if (!script_name) 3012 script_name = strdup(script); 3013 3014 return 0; 3015 } 3016 3017 static int parse_output_fields(const struct option *opt __maybe_unused, 3018 const char *arg, int unset __maybe_unused) 3019 { 3020 char *tok, *strtok_saveptr = NULL; 3021 int i, imax = ARRAY_SIZE(all_output_options); 3022 int j; 3023 int rc = 0; 3024 char *str = strdup(arg); 3025 int type = -1; 3026 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT; 3027 3028 if (!str) 3029 return -ENOMEM; 3030 3031 /* first word can state for which event type the user is specifying 3032 * the fields. If no type exists, the specified fields apply to all 3033 * event types found in the file minus the invalid fields for a type. 3034 */ 3035 tok = strchr(str, ':'); 3036 if (tok) { 3037 *tok = '\0'; 3038 tok++; 3039 if (!strcmp(str, "hw")) 3040 type = PERF_TYPE_HARDWARE; 3041 else if (!strcmp(str, "sw")) 3042 type = PERF_TYPE_SOFTWARE; 3043 else if (!strcmp(str, "trace")) 3044 type = PERF_TYPE_TRACEPOINT; 3045 else if (!strcmp(str, "raw")) 3046 type = PERF_TYPE_RAW; 3047 else if (!strcmp(str, "break")) 3048 type = PERF_TYPE_BREAKPOINT; 3049 else if (!strcmp(str, "synth")) 3050 type = OUTPUT_TYPE_SYNTH; 3051 else { 3052 fprintf(stderr, "Invalid event type in field string.\n"); 3053 rc = -EINVAL; 3054 goto out; 3055 } 3056 3057 if (output[type].user_set) 3058 pr_warning("Overriding previous field request for %s events.\n", 3059 event_type(type)); 3060 3061 /* Don't override defaults for +- */ 3062 if (strchr(tok, '+') || strchr(tok, '-')) 3063 goto parse; 3064 3065 output[type].fields = 0; 3066 output[type].user_set = true; 3067 output[type].wildcard_set = false; 3068 3069 } else { 3070 tok = str; 3071 if (strlen(str) == 0) { 3072 fprintf(stderr, 3073 "Cannot set fields to 'none' for all event types.\n"); 3074 rc = -EINVAL; 3075 goto out; 3076 } 3077 3078 /* Don't override defaults for +- */ 3079 if (strchr(str, '+') || strchr(str, '-')) 3080 goto parse; 3081 3082 if (output_set_by_user()) 3083 pr_warning("Overriding previous field request for all events.\n"); 3084 3085 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 3086 output[j].fields = 0; 3087 output[j].user_set = true; 3088 output[j].wildcard_set = true; 3089 } 3090 } 3091 3092 parse: 3093 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) { 3094 if (*tok == '+') { 3095 if (change == SET) 3096 goto out_badmix; 3097 change = ADD; 3098 tok++; 3099 } else if (*tok == '-') { 3100 if (change == SET) 3101 goto out_badmix; 3102 change = REMOVE; 3103 tok++; 3104 } else { 3105 if (change != SET && change != DEFAULT) 3106 goto out_badmix; 3107 change = SET; 3108 } 3109 3110 for (i = 0; i < imax; ++i) { 3111 if (strcmp(tok, all_output_options[i].str) == 0) 3112 break; 3113 } 3114 if (i == imax && strcmp(tok, "flags") == 0) { 3115 print_flags = change != REMOVE; 3116 continue; 3117 } 3118 if (i == imax) { 3119 fprintf(stderr, "Invalid field requested.\n"); 3120 rc = -EINVAL; 3121 goto out; 3122 } 3123 3124 if (type == -1) { 3125 /* add user option to all events types for 3126 * which it is valid 3127 */ 3128 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 3129 if (output[j].invalid_fields & all_output_options[i].field) { 3130 pr_warning("\'%s\' not valid for %s events. Ignoring.\n", 3131 all_output_options[i].str, event_type(j)); 3132 } else { 3133 if (change == REMOVE) { 3134 output[j].fields &= ~all_output_options[i].field; 3135 output[j].user_set_fields &= ~all_output_options[i].field; 3136 output[j].user_unset_fields |= all_output_options[i].field; 3137 } else { 3138 output[j].fields |= all_output_options[i].field; 3139 output[j].user_set_fields |= all_output_options[i].field; 3140 output[j].user_unset_fields &= ~all_output_options[i].field; 3141 } 3142 output[j].user_set = true; 3143 output[j].wildcard_set = true; 3144 } 3145 } 3146 } else { 3147 if (output[type].invalid_fields & all_output_options[i].field) { 3148 fprintf(stderr, "\'%s\' not valid for %s events.\n", 3149 all_output_options[i].str, event_type(type)); 3150 3151 rc = -EINVAL; 3152 goto out; 3153 } 3154 if (change == REMOVE) 3155 output[type].fields &= ~all_output_options[i].field; 3156 else 3157 output[type].fields |= all_output_options[i].field; 3158 output[type].user_set = true; 3159 output[type].wildcard_set = true; 3160 } 3161 } 3162 3163 if (type >= 0) { 3164 if (output[type].fields == 0) { 3165 pr_debug("No fields requested for %s type. " 3166 "Events will not be displayed.\n", event_type(type)); 3167 } 3168 } 3169 goto out; 3170 3171 out_badmix: 3172 fprintf(stderr, "Cannot mix +-field with overridden fields\n"); 3173 rc = -EINVAL; 3174 out: 3175 free(str); 3176 return rc; 3177 } 3178 3179 #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \ 3180 while ((lang_dirent = readdir(scripts_dir)) != NULL) \ 3181 if ((lang_dirent->d_type == DT_DIR || \ 3182 (lang_dirent->d_type == DT_UNKNOWN && \ 3183 is_directory(scripts_path, lang_dirent))) && \ 3184 (strcmp(lang_dirent->d_name, ".")) && \ 3185 (strcmp(lang_dirent->d_name, ".."))) 3186 3187 #define for_each_script(lang_path, lang_dir, script_dirent) \ 3188 while ((script_dirent = readdir(lang_dir)) != NULL) \ 3189 if (script_dirent->d_type != DT_DIR && \ 3190 (script_dirent->d_type != DT_UNKNOWN || \ 3191 !is_directory(lang_path, script_dirent))) 3192 3193 3194 #define RECORD_SUFFIX "-record" 3195 #define REPORT_SUFFIX "-report" 3196 3197 struct script_desc { 3198 struct list_head node; 3199 char *name; 3200 char *half_liner; 3201 char *args; 3202 }; 3203 3204 static LIST_HEAD(script_descs); 3205 3206 static struct script_desc *script_desc__new(const char *name) 3207 { 3208 struct script_desc *s = zalloc(sizeof(*s)); 3209 3210 if (s != NULL && name) 3211 s->name = strdup(name); 3212 3213 return s; 3214 } 3215 3216 static void script_desc__delete(struct script_desc *s) 3217 { 3218 zfree(&s->name); 3219 zfree(&s->half_liner); 3220 zfree(&s->args); 3221 free(s); 3222 } 3223 3224 static void script_desc__add(struct script_desc *s) 3225 { 3226 list_add_tail(&s->node, &script_descs); 3227 } 3228 3229 static struct script_desc *script_desc__find(const char *name) 3230 { 3231 struct script_desc *s; 3232 3233 list_for_each_entry(s, &script_descs, node) 3234 if (strcasecmp(s->name, name) == 0) 3235 return s; 3236 return NULL; 3237 } 3238 3239 static struct script_desc *script_desc__findnew(const char *name) 3240 { 3241 struct script_desc *s = script_desc__find(name); 3242 3243 if (s) 3244 return s; 3245 3246 s = script_desc__new(name); 3247 if (!s) 3248 return NULL; 3249 3250 script_desc__add(s); 3251 3252 return s; 3253 } 3254 3255 static const char *ends_with(const char *str, const char *suffix) 3256 { 3257 size_t suffix_len = strlen(suffix); 3258 const char *p = str; 3259 3260 if (strlen(str) > suffix_len) { 3261 p = str + strlen(str) - suffix_len; 3262 if (!strncmp(p, suffix, suffix_len)) 3263 return p; 3264 } 3265 3266 return NULL; 3267 } 3268 3269 static int read_script_info(struct script_desc *desc, const char *filename) 3270 { 3271 char line[BUFSIZ], *p; 3272 FILE *fp; 3273 3274 fp = fopen(filename, "r"); 3275 if (!fp) 3276 return -1; 3277 3278 while (fgets(line, sizeof(line), fp)) { 3279 p = skip_spaces(line); 3280 if (strlen(p) == 0) 3281 continue; 3282 if (*p != '#') 3283 continue; 3284 p++; 3285 if (strlen(p) && *p == '!') 3286 continue; 3287 3288 p = skip_spaces(p); 3289 if (strlen(p) && p[strlen(p) - 1] == '\n') 3290 p[strlen(p) - 1] = '\0'; 3291 3292 if (!strncmp(p, "description:", strlen("description:"))) { 3293 p += strlen("description:"); 3294 desc->half_liner = strdup(skip_spaces(p)); 3295 continue; 3296 } 3297 3298 if (!strncmp(p, "args:", strlen("args:"))) { 3299 p += strlen("args:"); 3300 desc->args = strdup(skip_spaces(p)); 3301 continue; 3302 } 3303 } 3304 3305 fclose(fp); 3306 3307 return 0; 3308 } 3309 3310 static char *get_script_root(struct dirent *script_dirent, const char *suffix) 3311 { 3312 char *script_root, *str; 3313 3314 script_root = strdup(script_dirent->d_name); 3315 if (!script_root) 3316 return NULL; 3317 3318 str = (char *)ends_with(script_root, suffix); 3319 if (!str) { 3320 free(script_root); 3321 return NULL; 3322 } 3323 3324 *str = '\0'; 3325 return script_root; 3326 } 3327 3328 static int list_available_scripts(const struct option *opt __maybe_unused, 3329 const char *s __maybe_unused, 3330 int unset __maybe_unused) 3331 { 3332 struct dirent *script_dirent, *lang_dirent; 3333 char *buf, *scripts_path, *script_path, *lang_path, *first_half; 3334 DIR *scripts_dir, *lang_dir; 3335 struct script_desc *desc; 3336 char *script_root; 3337 3338 buf = malloc(3 * MAXPATHLEN + BUFSIZ); 3339 if (!buf) { 3340 pr_err("malloc failed\n"); 3341 exit(-1); 3342 } 3343 scripts_path = buf; 3344 script_path = buf + MAXPATHLEN; 3345 lang_path = buf + 2 * MAXPATHLEN; 3346 first_half = buf + 3 * MAXPATHLEN; 3347 3348 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3349 3350 scripts_dir = opendir(scripts_path); 3351 if (!scripts_dir) { 3352 fprintf(stdout, 3353 "open(%s) failed.\n" 3354 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n", 3355 scripts_path); 3356 free(buf); 3357 exit(-1); 3358 } 3359 3360 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3361 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3362 lang_dirent->d_name); 3363 lang_dir = opendir(lang_path); 3364 if (!lang_dir) 3365 continue; 3366 3367 for_each_script(lang_path, lang_dir, script_dirent) { 3368 script_root = get_script_root(script_dirent, REPORT_SUFFIX); 3369 if (script_root) { 3370 desc = script_desc__findnew(script_root); 3371 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3372 lang_path, script_dirent->d_name); 3373 read_script_info(desc, script_path); 3374 free(script_root); 3375 } 3376 } 3377 } 3378 3379 fprintf(stdout, "List of available trace scripts:\n"); 3380 list_for_each_entry(desc, &script_descs, node) { 3381 sprintf(first_half, "%s %s", desc->name, 3382 desc->args ? desc->args : ""); 3383 fprintf(stdout, " %-36s %s\n", first_half, 3384 desc->half_liner ? desc->half_liner : ""); 3385 } 3386 3387 free(buf); 3388 exit(0); 3389 } 3390 3391 static int add_dlarg(const struct option *opt __maybe_unused, 3392 const char *s, int unset __maybe_unused) 3393 { 3394 char *arg = strdup(s); 3395 void *a; 3396 3397 if (!arg) 3398 return -1; 3399 3400 a = realloc(dlargv, sizeof(dlargv[0]) * (dlargc + 1)); 3401 if (!a) { 3402 free(arg); 3403 return -1; 3404 } 3405 3406 dlargv = a; 3407 dlargv[dlargc++] = arg; 3408 3409 return 0; 3410 } 3411 3412 static void free_dlarg(void) 3413 { 3414 while (dlargc--) 3415 free(dlargv[dlargc]); 3416 free(dlargv); 3417 } 3418 3419 /* 3420 * Some scripts specify the required events in their "xxx-record" file, 3421 * this function will check if the events in perf.data match those 3422 * mentioned in the "xxx-record". 3423 * 3424 * Fixme: All existing "xxx-record" are all in good formats "-e event ", 3425 * which is covered well now. And new parsing code should be added to 3426 * cover the future complex formats like event groups etc. 3427 */ 3428 static int check_ev_match(char *dir_name, char *scriptname, 3429 struct perf_session *session) 3430 { 3431 char filename[MAXPATHLEN], evname[128]; 3432 char line[BUFSIZ], *p; 3433 struct evsel *pos; 3434 int match, len; 3435 FILE *fp; 3436 3437 scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname); 3438 3439 fp = fopen(filename, "r"); 3440 if (!fp) 3441 return -1; 3442 3443 while (fgets(line, sizeof(line), fp)) { 3444 p = skip_spaces(line); 3445 if (*p == '#') 3446 continue; 3447 3448 while (strlen(p)) { 3449 p = strstr(p, "-e"); 3450 if (!p) 3451 break; 3452 3453 p += 2; 3454 p = skip_spaces(p); 3455 len = strcspn(p, " \t"); 3456 if (!len) 3457 break; 3458 3459 snprintf(evname, len + 1, "%s", p); 3460 3461 match = 0; 3462 evlist__for_each_entry(session->evlist, pos) { 3463 if (!strcmp(evsel__name(pos), evname)) { 3464 match = 1; 3465 break; 3466 } 3467 } 3468 3469 if (!match) { 3470 fclose(fp); 3471 return -1; 3472 } 3473 } 3474 } 3475 3476 fclose(fp); 3477 return 0; 3478 } 3479 3480 /* 3481 * Return -1 if none is found, otherwise the actual scripts number. 3482 * 3483 * Currently the only user of this function is the script browser, which 3484 * will list all statically runnable scripts, select one, execute it and 3485 * show the output in a perf browser. 3486 */ 3487 int find_scripts(char **scripts_array, char **scripts_path_array, int num, 3488 int pathlen) 3489 { 3490 struct dirent *script_dirent, *lang_dirent; 3491 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; 3492 DIR *scripts_dir, *lang_dir; 3493 struct perf_session *session; 3494 struct perf_data data = { 3495 .path = input_name, 3496 .mode = PERF_DATA_MODE_READ, 3497 }; 3498 char *temp; 3499 int i = 0; 3500 3501 session = perf_session__new(&data, NULL); 3502 if (IS_ERR(session)) 3503 return PTR_ERR(session); 3504 3505 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3506 3507 scripts_dir = opendir(scripts_path); 3508 if (!scripts_dir) { 3509 perf_session__delete(session); 3510 return -1; 3511 } 3512 3513 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3514 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, 3515 lang_dirent->d_name); 3516 #ifndef HAVE_LIBPERL_SUPPORT 3517 if (strstr(lang_path, "perl")) 3518 continue; 3519 #endif 3520 #ifndef HAVE_LIBPYTHON_SUPPORT 3521 if (strstr(lang_path, "python")) 3522 continue; 3523 #endif 3524 3525 lang_dir = opendir(lang_path); 3526 if (!lang_dir) 3527 continue; 3528 3529 for_each_script(lang_path, lang_dir, script_dirent) { 3530 /* Skip those real time scripts: xxxtop.p[yl] */ 3531 if (strstr(script_dirent->d_name, "top.")) 3532 continue; 3533 if (i >= num) 3534 break; 3535 snprintf(scripts_path_array[i], pathlen, "%s/%s", 3536 lang_path, 3537 script_dirent->d_name); 3538 temp = strchr(script_dirent->d_name, '.'); 3539 snprintf(scripts_array[i], 3540 (temp - script_dirent->d_name) + 1, 3541 "%s", script_dirent->d_name); 3542 3543 if (check_ev_match(lang_path, 3544 scripts_array[i], session)) 3545 continue; 3546 3547 i++; 3548 } 3549 closedir(lang_dir); 3550 } 3551 3552 closedir(scripts_dir); 3553 perf_session__delete(session); 3554 return i; 3555 } 3556 3557 static char *get_script_path(const char *script_root, const char *suffix) 3558 { 3559 struct dirent *script_dirent, *lang_dirent; 3560 char scripts_path[MAXPATHLEN]; 3561 char script_path[MAXPATHLEN]; 3562 DIR *scripts_dir, *lang_dir; 3563 char lang_path[MAXPATHLEN]; 3564 char *__script_root; 3565 3566 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3567 3568 scripts_dir = opendir(scripts_path); 3569 if (!scripts_dir) 3570 return NULL; 3571 3572 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3573 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3574 lang_dirent->d_name); 3575 lang_dir = opendir(lang_path); 3576 if (!lang_dir) 3577 continue; 3578 3579 for_each_script(lang_path, lang_dir, script_dirent) { 3580 __script_root = get_script_root(script_dirent, suffix); 3581 if (__script_root && !strcmp(script_root, __script_root)) { 3582 free(__script_root); 3583 closedir(scripts_dir); 3584 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3585 lang_path, script_dirent->d_name); 3586 closedir(lang_dir); 3587 return strdup(script_path); 3588 } 3589 free(__script_root); 3590 } 3591 closedir(lang_dir); 3592 } 3593 closedir(scripts_dir); 3594 3595 return NULL; 3596 } 3597 3598 static bool is_top_script(const char *script_path) 3599 { 3600 return ends_with(script_path, "top") != NULL; 3601 } 3602 3603 static int has_required_arg(char *script_path) 3604 { 3605 struct script_desc *desc; 3606 int n_args = 0; 3607 char *p; 3608 3609 desc = script_desc__new(NULL); 3610 3611 if (read_script_info(desc, script_path)) 3612 goto out; 3613 3614 if (!desc->args) 3615 goto out; 3616 3617 for (p = desc->args; *p; p++) 3618 if (*p == '<') 3619 n_args++; 3620 out: 3621 script_desc__delete(desc); 3622 3623 return n_args; 3624 } 3625 3626 static int have_cmd(int argc, const char **argv) 3627 { 3628 char **__argv = malloc(sizeof(const char *) * argc); 3629 3630 if (!__argv) { 3631 pr_err("malloc failed\n"); 3632 return -1; 3633 } 3634 3635 memcpy(__argv, argv, sizeof(const char *) * argc); 3636 argc = parse_options(argc, (const char **)__argv, record_options, 3637 NULL, PARSE_OPT_STOP_AT_NON_OPTION); 3638 free(__argv); 3639 3640 system_wide = (argc == 0); 3641 3642 return 0; 3643 } 3644 3645 static void script__setup_sample_type(struct perf_script *script) 3646 { 3647 struct perf_session *session = script->session; 3648 u64 sample_type = evlist__combined_sample_type(session->evlist); 3649 3650 callchain_param_setup(sample_type, perf_env__arch(session->machines.host.env)); 3651 3652 if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) { 3653 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n" 3654 "Please apply --call-graph lbr when recording.\n"); 3655 script->stitch_lbr = false; 3656 } 3657 } 3658 3659 static int process_stat_round_event(struct perf_session *session, 3660 union perf_event *event) 3661 { 3662 struct perf_record_stat_round *round = &event->stat_round; 3663 struct evsel *counter; 3664 3665 evlist__for_each_entry(session->evlist, counter) { 3666 perf_stat_process_counter(&stat_config, counter); 3667 process_stat(counter, round->time); 3668 } 3669 3670 process_stat_interval(round->time); 3671 return 0; 3672 } 3673 3674 static int process_stat_config_event(struct perf_session *session __maybe_unused, 3675 union perf_event *event) 3676 { 3677 perf_event__read_stat_config(&stat_config, &event->stat_config); 3678 3679 /* 3680 * Aggregation modes are not used since post-processing scripts are 3681 * supposed to take care of such requirements 3682 */ 3683 stat_config.aggr_mode = AGGR_NONE; 3684 3685 return 0; 3686 } 3687 3688 static int set_maps(struct perf_script *script) 3689 { 3690 struct evlist *evlist = script->session->evlist; 3691 3692 if (!script->cpus || !script->threads) 3693 return 0; 3694 3695 if (WARN_ONCE(script->allocated, "stats double allocation\n")) 3696 return -EINVAL; 3697 3698 perf_evlist__set_maps(&evlist->core, script->cpus, script->threads); 3699 3700 if (evlist__alloc_stats(&stat_config, evlist, /*alloc_raw=*/true)) 3701 return -ENOMEM; 3702 3703 script->allocated = true; 3704 return 0; 3705 } 3706 3707 static 3708 int process_thread_map_event(struct perf_session *session, 3709 union perf_event *event) 3710 { 3711 struct perf_tool *tool = session->tool; 3712 struct perf_script *script = container_of(tool, struct perf_script, tool); 3713 3714 if (dump_trace) 3715 perf_event__fprintf_thread_map(event, stdout); 3716 3717 if (script->threads) { 3718 pr_warning("Extra thread map event, ignoring.\n"); 3719 return 0; 3720 } 3721 3722 script->threads = thread_map__new_event(&event->thread_map); 3723 if (!script->threads) 3724 return -ENOMEM; 3725 3726 return set_maps(script); 3727 } 3728 3729 static 3730 int process_cpu_map_event(struct perf_session *session, 3731 union perf_event *event) 3732 { 3733 struct perf_tool *tool = session->tool; 3734 struct perf_script *script = container_of(tool, struct perf_script, tool); 3735 3736 if (dump_trace) 3737 perf_event__fprintf_cpu_map(event, stdout); 3738 3739 if (script->cpus) { 3740 pr_warning("Extra cpu map event, ignoring.\n"); 3741 return 0; 3742 } 3743 3744 script->cpus = cpu_map__new_data(&event->cpu_map.data); 3745 if (!script->cpus) 3746 return -ENOMEM; 3747 3748 return set_maps(script); 3749 } 3750 3751 static int process_feature_event(struct perf_session *session, 3752 union perf_event *event) 3753 { 3754 if (event->feat.feat_id < HEADER_LAST_FEATURE) 3755 return perf_event__process_feature(session, event); 3756 return 0; 3757 } 3758 3759 #ifdef HAVE_AUXTRACE_SUPPORT 3760 static int perf_script__process_auxtrace_info(struct perf_session *session, 3761 union perf_event *event) 3762 { 3763 struct perf_tool *tool = session->tool; 3764 3765 int ret = perf_event__process_auxtrace_info(session, event); 3766 3767 if (ret == 0) { 3768 struct perf_script *script = container_of(tool, struct perf_script, tool); 3769 3770 ret = perf_script__setup_per_event_dump(script); 3771 } 3772 3773 return ret; 3774 } 3775 #else 3776 #define perf_script__process_auxtrace_info 0 3777 #endif 3778 3779 static int parse_insn_trace(const struct option *opt __maybe_unused, 3780 const char *str __maybe_unused, 3781 int unset __maybe_unused) 3782 { 3783 parse_output_fields(NULL, "+insn,-event,-period", 0); 3784 itrace_parse_synth_opts(opt, "i0ns", 0); 3785 symbol_conf.nanosecs = true; 3786 return 0; 3787 } 3788 3789 static int parse_xed(const struct option *opt __maybe_unused, 3790 const char *str __maybe_unused, 3791 int unset __maybe_unused) 3792 { 3793 if (isatty(1)) 3794 force_pager("xed -F insn: -A -64 | less"); 3795 else 3796 force_pager("xed -F insn: -A -64"); 3797 return 0; 3798 } 3799 3800 static int parse_call_trace(const struct option *opt __maybe_unused, 3801 const char *str __maybe_unused, 3802 int unset __maybe_unused) 3803 { 3804 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0); 3805 itrace_parse_synth_opts(opt, "cewp", 0); 3806 symbol_conf.nanosecs = true; 3807 symbol_conf.pad_output_len_dso = 50; 3808 return 0; 3809 } 3810 3811 static int parse_callret_trace(const struct option *opt __maybe_unused, 3812 const char *str __maybe_unused, 3813 int unset __maybe_unused) 3814 { 3815 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0); 3816 itrace_parse_synth_opts(opt, "crewp", 0); 3817 symbol_conf.nanosecs = true; 3818 return 0; 3819 } 3820 3821 int cmd_script(int argc, const char **argv) 3822 { 3823 bool show_full_info = false; 3824 bool header = false; 3825 bool header_only = false; 3826 bool script_started = false; 3827 bool unsorted_dump = false; 3828 char *rec_script_path = NULL; 3829 char *rep_script_path = NULL; 3830 struct perf_session *session; 3831 struct itrace_synth_opts itrace_synth_opts = { 3832 .set = false, 3833 .default_no_sample = true, 3834 }; 3835 struct utsname uts; 3836 char *script_path = NULL; 3837 const char *dlfilter_file = NULL; 3838 const char **__argv; 3839 int i, j, err = 0; 3840 struct perf_script script = { 3841 .tool = { 3842 .sample = process_sample_event, 3843 .mmap = perf_event__process_mmap, 3844 .mmap2 = perf_event__process_mmap2, 3845 .comm = perf_event__process_comm, 3846 .namespaces = perf_event__process_namespaces, 3847 .cgroup = perf_event__process_cgroup, 3848 .exit = perf_event__process_exit, 3849 .fork = perf_event__process_fork, 3850 .attr = process_attr, 3851 .event_update = perf_event__process_event_update, 3852 #ifdef HAVE_LIBTRACEEVENT 3853 .tracing_data = perf_event__process_tracing_data, 3854 #endif 3855 .feature = process_feature_event, 3856 .build_id = perf_event__process_build_id, 3857 .id_index = perf_event__process_id_index, 3858 .auxtrace_info = perf_script__process_auxtrace_info, 3859 .auxtrace = perf_event__process_auxtrace, 3860 .auxtrace_error = perf_event__process_auxtrace_error, 3861 .stat = perf_event__process_stat_event, 3862 .stat_round = process_stat_round_event, 3863 .stat_config = process_stat_config_event, 3864 .thread_map = process_thread_map_event, 3865 .cpu_map = process_cpu_map_event, 3866 .throttle = process_throttle_event, 3867 .unthrottle = process_throttle_event, 3868 .ordered_events = true, 3869 .ordering_requires_timestamps = true, 3870 }, 3871 }; 3872 struct perf_data data = { 3873 .mode = PERF_DATA_MODE_READ, 3874 }; 3875 const struct option options[] = { 3876 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 3877 "dump raw trace in ASCII"), 3878 OPT_BOOLEAN(0, "dump-unsorted-raw-trace", &unsorted_dump, 3879 "dump unsorted raw trace in ASCII"), 3880 OPT_INCR('v', "verbose", &verbose, 3881 "be more verbose (show symbol address, etc)"), 3882 OPT_BOOLEAN('L', "Latency", &latency_format, 3883 "show latency attributes (irqs/preemption disabled, etc)"), 3884 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", 3885 list_available_scripts), 3886 OPT_CALLBACK_NOOPT(0, "list-dlfilters", NULL, NULL, "list available dlfilters", 3887 list_available_dlfilters), 3888 OPT_CALLBACK('s', "script", NULL, "name", 3889 "script file name (lang:script name, script name, or *)", 3890 parse_scriptname), 3891 OPT_STRING('g', "gen-script", &generate_script_lang, "lang", 3892 "generate perf-script.xx script in specified language"), 3893 OPT_STRING(0, "dlfilter", &dlfilter_file, "file", "filter .so file name"), 3894 OPT_CALLBACK(0, "dlarg", NULL, "argument", "filter argument", 3895 add_dlarg), 3896 OPT_STRING('i', "input", &input_name, "file", "input file name"), 3897 OPT_BOOLEAN('d', "debug-mode", &debug_mode, 3898 "do various checks like samples ordering and lost events"), 3899 OPT_BOOLEAN(0, "header", &header, "Show data header."), 3900 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."), 3901 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 3902 "file", "vmlinux pathname"), 3903 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 3904 "file", "kallsyms pathname"), 3905 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, 3906 "When printing symbols do not display call chain"), 3907 OPT_CALLBACK(0, "symfs", NULL, "directory", 3908 "Look for files with symbols relative to this directory", 3909 symbol__config_symfs), 3910 OPT_CALLBACK('F', "fields", NULL, "str", 3911 "comma separated output fields prepend with 'type:'. " 3912 "+field to add and -field to remove." 3913 "Valid types: hw,sw,trace,raw,synth. " 3914 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,dsoff," 3915 "addr,symoff,srcline,period,iregs,uregs,brstack," 3916 "brstacksym,flags,data_src,weight,bpf-output,brstackinsn," 3917 "brstackinsnlen,brstackoff,callindent,insn,insnlen,synth," 3918 "phys_addr,metric,misc,srccode,ipc,tod,data_page_size," 3919 "code_page_size,ins_lat,machine_pid,vcpu,cgroup,retire_lat", 3920 parse_output_fields), 3921 OPT_BOOLEAN('a', "all-cpus", &system_wide, 3922 "system-wide collection from all CPUs"), 3923 OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", 3924 "only consider symbols in these DSOs"), 3925 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 3926 "only consider these symbols"), 3927 OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range, 3928 "Use with -S to list traced records within address range"), 3929 OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL, 3930 "Decode instructions from itrace", parse_insn_trace), 3931 OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL, 3932 "Run xed disassembler on output", parse_xed), 3933 OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL, 3934 "Decode calls from itrace", parse_call_trace), 3935 OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL, 3936 "Decode calls and returns from itrace", parse_callret_trace), 3937 OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]", 3938 "Only print symbols and callees with --call-trace/--call-ret-trace"), 3939 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]", 3940 "Stop display of callgraph at these symbols"), 3941 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), 3942 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 3943 "only display events for these comms"), 3944 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 3945 "only consider symbols in these pids"), 3946 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 3947 "only consider symbols in these tids"), 3948 OPT_UINTEGER(0, "max-stack", &scripting_max_stack, 3949 "Set the maximum stack depth when parsing the callchain, " 3950 "anything beyond the specified depth will be ignored. " 3951 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 3952 OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"), 3953 OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"), 3954 OPT_BOOLEAN('I', "show-info", &show_full_info, 3955 "display extended information from perf.data file"), 3956 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, 3957 "Show the path of [kernel.kallsyms]"), 3958 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, 3959 "Show the fork/comm/exit events"), 3960 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, 3961 "Show the mmap events"), 3962 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events, 3963 "Show context switch events (if recorded)"), 3964 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events, 3965 "Show namespace events (if recorded)"), 3966 OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events, 3967 "Show cgroup events (if recorded)"), 3968 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events, 3969 "Show lost events (if recorded)"), 3970 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events, 3971 "Show round events (if recorded)"), 3972 OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events, 3973 "Show bpf related events (if recorded)"), 3974 OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events, 3975 "Show text poke related events (if recorded)"), 3976 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump, 3977 "Dump trace output to files named by the monitored events"), 3978 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 3979 OPT_INTEGER(0, "max-blocks", &max_blocks, 3980 "Maximum number of code blocks to dump with brstackinsn"), 3981 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, 3982 "Use 9 decimal places when displaying time"), 3983 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 3984 "Instruction Tracing options\n" ITRACE_HELP, 3985 itrace_parse_synth_opts), 3986 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 3987 "Show full source file name path for source lines"), 3988 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 3989 "Enable symbol demangling"), 3990 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 3991 "Enable kernel symbol demangling"), 3992 OPT_STRING(0, "time", &script.time_str, "str", 3993 "Time span of interest (start,stop)"), 3994 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 3995 "Show inline function"), 3996 OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory", 3997 "guest mount directory under which every guest os" 3998 " instance has a subdir"), 3999 OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name, 4000 "file", "file saving guest os vmlinux"), 4001 OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms, 4002 "file", "file saving guest os /proc/kallsyms"), 4003 OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules, 4004 "file", "file saving guest os /proc/modules"), 4005 OPT_BOOLEAN(0, "guest-code", &symbol_conf.guest_code, 4006 "Guest code can be found in hypervisor process"), 4007 OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr, 4008 "Enable LBR callgraph stitching approach"), 4009 OPTS_EVSWITCH(&script.evswitch), 4010 OPT_END() 4011 }; 4012 const char * const script_subcommands[] = { "record", "report", NULL }; 4013 const char *script_usage[] = { 4014 "perf script [<options>]", 4015 "perf script [<options>] record <script> [<record-options>] <command>", 4016 "perf script [<options>] report <script> [script-args]", 4017 "perf script [<options>] <script> [<record-options>] <command>", 4018 "perf script [<options>] <top-script> [script-args]", 4019 NULL 4020 }; 4021 4022 perf_set_singlethreaded(); 4023 4024 setup_scripting(); 4025 4026 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage, 4027 PARSE_OPT_STOP_AT_NON_OPTION); 4028 4029 if (symbol_conf.guestmount || 4030 symbol_conf.default_guest_vmlinux_name || 4031 symbol_conf.default_guest_kallsyms || 4032 symbol_conf.default_guest_modules || 4033 symbol_conf.guest_code) { 4034 /* 4035 * Enable guest sample processing. 4036 */ 4037 perf_guest = true; 4038 } 4039 4040 data.path = input_name; 4041 data.force = symbol_conf.force; 4042 4043 if (unsorted_dump) { 4044 dump_trace = true; 4045 script.tool.ordered_events = false; 4046 } 4047 4048 if (symbol__validate_sym_arguments()) 4049 return -1; 4050 4051 if (argc > 1 && strlen(argv[0]) > 2 && strstarts("record", argv[0])) { 4052 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); 4053 if (!rec_script_path) 4054 return cmd_record(argc, argv); 4055 } 4056 4057 if (argc > 1 && strlen(argv[0]) > 2 && strstarts("report", argv[0])) { 4058 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); 4059 if (!rep_script_path) { 4060 fprintf(stderr, 4061 "Please specify a valid report script" 4062 "(see 'perf script -l' for listing)\n"); 4063 return -1; 4064 } 4065 } 4066 4067 if (reltime && deltatime) { 4068 fprintf(stderr, 4069 "reltime and deltatime - the two don't get along well. " 4070 "Please limit to --reltime or --deltatime.\n"); 4071 return -1; 4072 } 4073 4074 if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) && 4075 itrace_synth_opts.callchain_sz > scripting_max_stack) 4076 scripting_max_stack = itrace_synth_opts.callchain_sz; 4077 4078 /* make sure PERF_EXEC_PATH is set for scripts */ 4079 set_argv_exec_path(get_argv_exec_path()); 4080 4081 if (argc && !script_name && !rec_script_path && !rep_script_path) { 4082 int live_pipe[2]; 4083 int rep_args; 4084 pid_t pid; 4085 4086 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); 4087 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); 4088 4089 if (!rec_script_path && !rep_script_path) { 4090 script_name = find_script(argv[0]); 4091 if (script_name) { 4092 argc -= 1; 4093 argv += 1; 4094 goto script_found; 4095 } 4096 usage_with_options_msg(script_usage, options, 4097 "Couldn't find script `%s'\n\n See perf" 4098 " script -l for available scripts.\n", argv[0]); 4099 } 4100 4101 if (is_top_script(argv[0])) { 4102 rep_args = argc - 1; 4103 } else { 4104 int rec_args; 4105 4106 rep_args = has_required_arg(rep_script_path); 4107 rec_args = (argc - 1) - rep_args; 4108 if (rec_args < 0) { 4109 usage_with_options_msg(script_usage, options, 4110 "`%s' script requires options." 4111 "\n\n See perf script -l for available " 4112 "scripts and options.\n", argv[0]); 4113 } 4114 } 4115 4116 if (pipe(live_pipe) < 0) { 4117 perror("failed to create pipe"); 4118 return -1; 4119 } 4120 4121 pid = fork(); 4122 if (pid < 0) { 4123 perror("failed to fork"); 4124 return -1; 4125 } 4126 4127 if (!pid) { 4128 j = 0; 4129 4130 dup2(live_pipe[1], 1); 4131 close(live_pipe[0]); 4132 4133 if (is_top_script(argv[0])) { 4134 system_wide = true; 4135 } else if (!system_wide) { 4136 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { 4137 err = -1; 4138 goto out; 4139 } 4140 } 4141 4142 __argv = malloc((argc + 6) * sizeof(const char *)); 4143 if (!__argv) { 4144 pr_err("malloc failed\n"); 4145 err = -ENOMEM; 4146 goto out; 4147 } 4148 4149 __argv[j++] = "/bin/sh"; 4150 __argv[j++] = rec_script_path; 4151 if (system_wide) 4152 __argv[j++] = "-a"; 4153 __argv[j++] = "-q"; 4154 __argv[j++] = "-o"; 4155 __argv[j++] = "-"; 4156 for (i = rep_args + 1; i < argc; i++) 4157 __argv[j++] = argv[i]; 4158 __argv[j++] = NULL; 4159 4160 execvp("/bin/sh", (char **)__argv); 4161 free(__argv); 4162 exit(-1); 4163 } 4164 4165 dup2(live_pipe[0], 0); 4166 close(live_pipe[1]); 4167 4168 __argv = malloc((argc + 4) * sizeof(const char *)); 4169 if (!__argv) { 4170 pr_err("malloc failed\n"); 4171 err = -ENOMEM; 4172 goto out; 4173 } 4174 4175 j = 0; 4176 __argv[j++] = "/bin/sh"; 4177 __argv[j++] = rep_script_path; 4178 for (i = 1; i < rep_args + 1; i++) 4179 __argv[j++] = argv[i]; 4180 __argv[j++] = "-i"; 4181 __argv[j++] = "-"; 4182 __argv[j++] = NULL; 4183 4184 execvp("/bin/sh", (char **)__argv); 4185 free(__argv); 4186 exit(-1); 4187 } 4188 script_found: 4189 if (rec_script_path) 4190 script_path = rec_script_path; 4191 if (rep_script_path) 4192 script_path = rep_script_path; 4193 4194 if (script_path) { 4195 j = 0; 4196 4197 if (!rec_script_path) 4198 system_wide = false; 4199 else if (!system_wide) { 4200 if (have_cmd(argc - 1, &argv[1]) != 0) { 4201 err = -1; 4202 goto out; 4203 } 4204 } 4205 4206 __argv = malloc((argc + 2) * sizeof(const char *)); 4207 if (!__argv) { 4208 pr_err("malloc failed\n"); 4209 err = -ENOMEM; 4210 goto out; 4211 } 4212 4213 __argv[j++] = "/bin/sh"; 4214 __argv[j++] = script_path; 4215 if (system_wide) 4216 __argv[j++] = "-a"; 4217 for (i = 2; i < argc; i++) 4218 __argv[j++] = argv[i]; 4219 __argv[j++] = NULL; 4220 4221 execvp("/bin/sh", (char **)__argv); 4222 free(__argv); 4223 exit(-1); 4224 } 4225 4226 if (dlfilter_file) { 4227 dlfilter = dlfilter__new(dlfilter_file, dlargc, dlargv); 4228 if (!dlfilter) 4229 return -1; 4230 } 4231 4232 if (!script_name) { 4233 setup_pager(); 4234 use_browser = 0; 4235 } 4236 4237 session = perf_session__new(&data, &script.tool); 4238 if (IS_ERR(session)) 4239 return PTR_ERR(session); 4240 4241 if (header || header_only) { 4242 script.tool.show_feat_hdr = SHOW_FEAT_HEADER; 4243 perf_session__fprintf_info(session, stdout, show_full_info); 4244 if (header_only) 4245 goto out_delete; 4246 } 4247 if (show_full_info) 4248 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 4249 4250 if (symbol__init(&session->header.env) < 0) 4251 goto out_delete; 4252 4253 uname(&uts); 4254 if (data.is_pipe) { /* Assume pipe_mode indicates native_arch */ 4255 native_arch = true; 4256 } else if (session->header.env.arch) { 4257 if (!strcmp(uts.machine, session->header.env.arch)) 4258 native_arch = true; 4259 else if (!strcmp(uts.machine, "x86_64") && 4260 !strcmp(session->header.env.arch, "i386")) 4261 native_arch = true; 4262 } 4263 4264 script.session = session; 4265 script__setup_sample_type(&script); 4266 4267 if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) || 4268 symbol_conf.graph_function) 4269 itrace_synth_opts.thread_stack = true; 4270 4271 session->itrace_synth_opts = &itrace_synth_opts; 4272 4273 if (cpu_list) { 4274 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap); 4275 if (err < 0) 4276 goto out_delete; 4277 itrace_synth_opts.cpu_bitmap = cpu_bitmap; 4278 } 4279 4280 if (!no_callchain) 4281 symbol_conf.use_callchain = true; 4282 else 4283 symbol_conf.use_callchain = false; 4284 4285 #ifdef HAVE_LIBTRACEEVENT 4286 if (session->tevent.pevent && 4287 tep_set_function_resolver(session->tevent.pevent, 4288 machine__resolve_kernel_addr, 4289 &session->machines.host) < 0) { 4290 pr_err("%s: failed to set libtraceevent function resolver\n", __func__); 4291 err = -1; 4292 goto out_delete; 4293 } 4294 #endif 4295 if (generate_script_lang) { 4296 struct stat perf_stat; 4297 int input; 4298 4299 if (output_set_by_user()) { 4300 fprintf(stderr, 4301 "custom fields not supported for generated scripts"); 4302 err = -EINVAL; 4303 goto out_delete; 4304 } 4305 4306 input = open(data.path, O_RDONLY); /* input_name */ 4307 if (input < 0) { 4308 err = -errno; 4309 perror("failed to open file"); 4310 goto out_delete; 4311 } 4312 4313 err = fstat(input, &perf_stat); 4314 if (err < 0) { 4315 perror("failed to stat file"); 4316 goto out_delete; 4317 } 4318 4319 if (!perf_stat.st_size) { 4320 fprintf(stderr, "zero-sized file, nothing to do!\n"); 4321 goto out_delete; 4322 } 4323 4324 scripting_ops = script_spec__lookup(generate_script_lang); 4325 if (!scripting_ops) { 4326 fprintf(stderr, "invalid language specifier"); 4327 err = -ENOENT; 4328 goto out_delete; 4329 } 4330 #ifdef HAVE_LIBTRACEEVENT 4331 err = scripting_ops->generate_script(session->tevent.pevent, 4332 "perf-script"); 4333 #else 4334 err = scripting_ops->generate_script(NULL, "perf-script"); 4335 #endif 4336 goto out_delete; 4337 } 4338 4339 err = dlfilter__start(dlfilter, session); 4340 if (err) 4341 goto out_delete; 4342 4343 if (script_name) { 4344 err = scripting_ops->start_script(script_name, argc, argv, session); 4345 if (err) 4346 goto out_delete; 4347 pr_debug("perf script started with script %s\n\n", script_name); 4348 script_started = true; 4349 } 4350 4351 4352 err = perf_session__check_output_opt(session); 4353 if (err < 0) 4354 goto out_delete; 4355 4356 if (script.time_str) { 4357 err = perf_time__parse_for_ranges_reltime(script.time_str, session, 4358 &script.ptime_range, 4359 &script.range_size, 4360 &script.range_num, 4361 reltime); 4362 if (err < 0) 4363 goto out_delete; 4364 4365 itrace_synth_opts__set_time_range(&itrace_synth_opts, 4366 script.ptime_range, 4367 script.range_num); 4368 } 4369 4370 err = evswitch__init(&script.evswitch, session->evlist, stderr); 4371 if (err) 4372 goto out_delete; 4373 4374 if (zstd_init(&(session->zstd_data), 0) < 0) 4375 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n"); 4376 4377 err = __cmd_script(&script); 4378 4379 flush_scripting(); 4380 4381 if (verbose > 2 || debug_kmaps) 4382 perf_session__dump_kmaps(session); 4383 4384 out_delete: 4385 if (script.ptime_range) { 4386 itrace_synth_opts__clear_time_range(&itrace_synth_opts); 4387 zfree(&script.ptime_range); 4388 } 4389 4390 zstd_fini(&(session->zstd_data)); 4391 evlist__free_stats(session->evlist); 4392 perf_session__delete(session); 4393 perf_script__exit(&script); 4394 4395 if (script_started) 4396 cleanup_scripting(); 4397 dlfilter__cleanup(dlfilter); 4398 free_dlarg(); 4399 out: 4400 return err; 4401 } 4402