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 "print_insn.h" 38 #include "archinsn.h" 39 #include <linux/bitmap.h> 40 #include <linux/kernel.h> 41 #include <linux/stringify.h> 42 #include <linux/time64.h> 43 #include <linux/zalloc.h> 44 #include <sys/utsname.h> 45 #include "asm/bug.h" 46 #include "util/mem-events.h" 47 #include "util/dump-insn.h" 48 #include <dirent.h> 49 #include <errno.h> 50 #include <inttypes.h> 51 #include <signal.h> 52 #include <sys/param.h> 53 #include <sys/types.h> 54 #include <sys/stat.h> 55 #include <fcntl.h> 56 #include <unistd.h> 57 #include <subcmd/pager.h> 58 #include <perf/evlist.h> 59 #include <linux/err.h> 60 #include "util/dlfilter.h" 61 #include "util/record.h" 62 #include "util/util.h" 63 #include "util/cgroup.h" 64 #include "perf.h" 65 66 #include <linux/ctype.h> 67 #ifdef HAVE_LIBTRACEEVENT 68 #include <traceevent/event-parse.h> 69 #endif 70 71 static char const *script_name; 72 static char const *generate_script_lang; 73 static bool reltime; 74 static bool deltatime; 75 static u64 initial_time; 76 static u64 previous_time; 77 static bool debug_mode; 78 static u64 last_timestamp; 79 static u64 nr_unordered; 80 static bool no_callchain; 81 static bool latency_format; 82 static bool system_wide; 83 static bool print_flags; 84 static const char *cpu_list; 85 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); 86 static struct perf_stat_config stat_config; 87 static int max_blocks; 88 static bool native_arch; 89 static struct dlfilter *dlfilter; 90 static int dlargc; 91 static char **dlargv; 92 93 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH; 94 95 enum perf_output_field { 96 PERF_OUTPUT_COMM = 1ULL << 0, 97 PERF_OUTPUT_TID = 1ULL << 1, 98 PERF_OUTPUT_PID = 1ULL << 2, 99 PERF_OUTPUT_TIME = 1ULL << 3, 100 PERF_OUTPUT_CPU = 1ULL << 4, 101 PERF_OUTPUT_EVNAME = 1ULL << 5, 102 PERF_OUTPUT_TRACE = 1ULL << 6, 103 PERF_OUTPUT_IP = 1ULL << 7, 104 PERF_OUTPUT_SYM = 1ULL << 8, 105 PERF_OUTPUT_DSO = 1ULL << 9, 106 PERF_OUTPUT_ADDR = 1ULL << 10, 107 PERF_OUTPUT_SYMOFFSET = 1ULL << 11, 108 PERF_OUTPUT_SRCLINE = 1ULL << 12, 109 PERF_OUTPUT_PERIOD = 1ULL << 13, 110 PERF_OUTPUT_IREGS = 1ULL << 14, 111 PERF_OUTPUT_BRSTACK = 1ULL << 15, 112 PERF_OUTPUT_BRSTACKSYM = 1ULL << 16, 113 PERF_OUTPUT_DATA_SRC = 1ULL << 17, 114 PERF_OUTPUT_WEIGHT = 1ULL << 18, 115 PERF_OUTPUT_BPF_OUTPUT = 1ULL << 19, 116 PERF_OUTPUT_CALLINDENT = 1ULL << 20, 117 PERF_OUTPUT_INSN = 1ULL << 21, 118 PERF_OUTPUT_INSNLEN = 1ULL << 22, 119 PERF_OUTPUT_BRSTACKINSN = 1ULL << 23, 120 PERF_OUTPUT_BRSTACKOFF = 1ULL << 24, 121 PERF_OUTPUT_SYNTH = 1ULL << 25, 122 PERF_OUTPUT_PHYS_ADDR = 1ULL << 26, 123 PERF_OUTPUT_UREGS = 1ULL << 27, 124 PERF_OUTPUT_METRIC = 1ULL << 28, 125 PERF_OUTPUT_MISC = 1ULL << 29, 126 PERF_OUTPUT_SRCCODE = 1ULL << 30, 127 PERF_OUTPUT_IPC = 1ULL << 31, 128 PERF_OUTPUT_TOD = 1ULL << 32, 129 PERF_OUTPUT_DATA_PAGE_SIZE = 1ULL << 33, 130 PERF_OUTPUT_CODE_PAGE_SIZE = 1ULL << 34, 131 PERF_OUTPUT_INS_LAT = 1ULL << 35, 132 PERF_OUTPUT_BRSTACKINSNLEN = 1ULL << 36, 133 PERF_OUTPUT_MACHINE_PID = 1ULL << 37, 134 PERF_OUTPUT_VCPU = 1ULL << 38, 135 PERF_OUTPUT_CGROUP = 1ULL << 39, 136 PERF_OUTPUT_RETIRE_LAT = 1ULL << 40, 137 PERF_OUTPUT_DSOFF = 1ULL << 41, 138 PERF_OUTPUT_DISASM = 1ULL << 42, 139 PERF_OUTPUT_BRSTACKDISASM = 1ULL << 43, 140 }; 141 142 struct perf_script { 143 struct perf_tool tool; 144 struct perf_session *session; 145 bool show_task_events; 146 bool show_mmap_events; 147 bool show_switch_events; 148 bool show_namespace_events; 149 bool show_lost_events; 150 bool show_round_events; 151 bool show_bpf_events; 152 bool show_cgroup_events; 153 bool show_text_poke_events; 154 bool allocated; 155 bool per_event_dump; 156 bool stitch_lbr; 157 struct evswitch evswitch; 158 struct perf_cpu_map *cpus; 159 struct perf_thread_map *threads; 160 int name_width; 161 const char *time_str; 162 struct perf_time_interval *ptime_range; 163 int range_size; 164 int range_num; 165 }; 166 167 struct output_option { 168 const char *str; 169 enum perf_output_field field; 170 } all_output_options[] = { 171 {.str = "comm", .field = PERF_OUTPUT_COMM}, 172 {.str = "tid", .field = PERF_OUTPUT_TID}, 173 {.str = "pid", .field = PERF_OUTPUT_PID}, 174 {.str = "time", .field = PERF_OUTPUT_TIME}, 175 {.str = "cpu", .field = PERF_OUTPUT_CPU}, 176 {.str = "event", .field = PERF_OUTPUT_EVNAME}, 177 {.str = "trace", .field = PERF_OUTPUT_TRACE}, 178 {.str = "ip", .field = PERF_OUTPUT_IP}, 179 {.str = "sym", .field = PERF_OUTPUT_SYM}, 180 {.str = "dso", .field = PERF_OUTPUT_DSO}, 181 {.str = "dsoff", .field = PERF_OUTPUT_DSOFF}, 182 {.str = "addr", .field = PERF_OUTPUT_ADDR}, 183 {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET}, 184 {.str = "srcline", .field = PERF_OUTPUT_SRCLINE}, 185 {.str = "period", .field = PERF_OUTPUT_PERIOD}, 186 {.str = "iregs", .field = PERF_OUTPUT_IREGS}, 187 {.str = "uregs", .field = PERF_OUTPUT_UREGS}, 188 {.str = "brstack", .field = PERF_OUTPUT_BRSTACK}, 189 {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM}, 190 {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC}, 191 {.str = "weight", .field = PERF_OUTPUT_WEIGHT}, 192 {.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT}, 193 {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT}, 194 {.str = "insn", .field = PERF_OUTPUT_INSN}, 195 {.str = "disasm", .field = PERF_OUTPUT_DISASM}, 196 {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN}, 197 {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN}, 198 {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF}, 199 {.str = "synth", .field = PERF_OUTPUT_SYNTH}, 200 {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR}, 201 {.str = "metric", .field = PERF_OUTPUT_METRIC}, 202 {.str = "misc", .field = PERF_OUTPUT_MISC}, 203 {.str = "srccode", .field = PERF_OUTPUT_SRCCODE}, 204 {.str = "ipc", .field = PERF_OUTPUT_IPC}, 205 {.str = "tod", .field = PERF_OUTPUT_TOD}, 206 {.str = "data_page_size", .field = PERF_OUTPUT_DATA_PAGE_SIZE}, 207 {.str = "code_page_size", .field = PERF_OUTPUT_CODE_PAGE_SIZE}, 208 {.str = "ins_lat", .field = PERF_OUTPUT_INS_LAT}, 209 {.str = "brstackinsnlen", .field = PERF_OUTPUT_BRSTACKINSNLEN}, 210 {.str = "machine_pid", .field = PERF_OUTPUT_MACHINE_PID}, 211 {.str = "vcpu", .field = PERF_OUTPUT_VCPU}, 212 {.str = "cgroup", .field = PERF_OUTPUT_CGROUP}, 213 {.str = "retire_lat", .field = PERF_OUTPUT_RETIRE_LAT}, 214 {.str = "brstackdisasm", .field = PERF_OUTPUT_BRSTACKDISASM}, 215 }; 216 217 enum { 218 OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX, 219 OUTPUT_TYPE_OTHER, 220 OUTPUT_TYPE_MAX 221 }; 222 223 /* default set to maintain compatibility with current format */ 224 static struct { 225 bool user_set; 226 bool wildcard_set; 227 unsigned int print_ip_opts; 228 u64 fields; 229 u64 invalid_fields; 230 u64 user_set_fields; 231 u64 user_unset_fields; 232 } output[OUTPUT_TYPE_MAX] = { 233 234 [PERF_TYPE_HARDWARE] = { 235 .user_set = false, 236 237 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 238 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 239 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 240 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 241 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 242 243 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 244 }, 245 246 [PERF_TYPE_SOFTWARE] = { 247 .user_set = false, 248 249 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 250 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 251 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 252 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 253 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 254 PERF_OUTPUT_BPF_OUTPUT, 255 256 .invalid_fields = PERF_OUTPUT_TRACE, 257 }, 258 259 [PERF_TYPE_TRACEPOINT] = { 260 .user_set = false, 261 262 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 263 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 264 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE 265 }, 266 267 [PERF_TYPE_HW_CACHE] = { 268 .user_set = false, 269 270 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 271 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 272 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 273 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 274 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 275 276 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 277 }, 278 279 [PERF_TYPE_RAW] = { 280 .user_set = false, 281 282 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 283 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 284 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 285 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 286 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 287 PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC | 288 PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR | 289 PERF_OUTPUT_DATA_PAGE_SIZE | PERF_OUTPUT_CODE_PAGE_SIZE | 290 PERF_OUTPUT_INS_LAT | PERF_OUTPUT_RETIRE_LAT, 291 292 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 293 }, 294 295 [PERF_TYPE_BREAKPOINT] = { 296 .user_set = false, 297 298 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 299 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 300 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 301 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 302 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 303 304 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 305 }, 306 307 [OUTPUT_TYPE_SYNTH] = { 308 .user_set = false, 309 310 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 311 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 312 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 313 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 314 PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH, 315 316 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 317 }, 318 319 [OUTPUT_TYPE_OTHER] = { 320 .user_set = false, 321 322 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 323 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 324 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 325 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 326 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 327 328 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 329 }, 330 }; 331 332 struct evsel_script { 333 char *filename; 334 FILE *fp; 335 u64 samples; 336 /* For metric output */ 337 u64 val; 338 int gnum; 339 }; 340 341 static inline struct evsel_script *evsel_script(struct evsel *evsel) 342 { 343 return (struct evsel_script *)evsel->priv; 344 } 345 346 static struct evsel_script *evsel_script__new(struct evsel *evsel, struct perf_data *data) 347 { 348 struct evsel_script *es = zalloc(sizeof(*es)); 349 350 if (es != NULL) { 351 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0) 352 goto out_free; 353 es->fp = fopen(es->filename, "w"); 354 if (es->fp == NULL) 355 goto out_free_filename; 356 } 357 358 return es; 359 out_free_filename: 360 zfree(&es->filename); 361 out_free: 362 free(es); 363 return NULL; 364 } 365 366 static void evsel_script__delete(struct evsel_script *es) 367 { 368 zfree(&es->filename); 369 fclose(es->fp); 370 es->fp = NULL; 371 free(es); 372 } 373 374 static int evsel_script__fprintf(struct evsel_script *es, FILE *fp) 375 { 376 struct stat st; 377 378 fstat(fileno(es->fp), &st); 379 return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n", 380 st.st_size / 1024.0 / 1024.0, es->filename, es->samples); 381 } 382 383 static inline int output_type(unsigned int type) 384 { 385 switch (type) { 386 case PERF_TYPE_SYNTH: 387 return OUTPUT_TYPE_SYNTH; 388 default: 389 if (type < PERF_TYPE_MAX) 390 return type; 391 } 392 393 return OUTPUT_TYPE_OTHER; 394 } 395 396 static bool output_set_by_user(void) 397 { 398 int j; 399 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 400 if (output[j].user_set) 401 return true; 402 } 403 return false; 404 } 405 406 static const char *output_field2str(enum perf_output_field field) 407 { 408 int i, imax = ARRAY_SIZE(all_output_options); 409 const char *str = ""; 410 411 for (i = 0; i < imax; ++i) { 412 if (all_output_options[i].field == field) { 413 str = all_output_options[i].str; 414 break; 415 } 416 } 417 return str; 418 } 419 420 #define PRINT_FIELD(x) (output[output_type(attr->type)].fields & PERF_OUTPUT_##x) 421 422 static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg, 423 enum perf_output_field field, bool allow_user_set) 424 { 425 struct perf_event_attr *attr = &evsel->core.attr; 426 int type = output_type(attr->type); 427 const char *evname; 428 429 if (attr->sample_type & sample_type) 430 return 0; 431 432 if (output[type].user_set_fields & field) { 433 if (allow_user_set) 434 return 0; 435 evname = evsel__name(evsel); 436 pr_err("Samples for '%s' event do not have %s attribute set. " 437 "Cannot print '%s' field.\n", 438 evname, sample_msg, output_field2str(field)); 439 return -1; 440 } 441 442 /* user did not ask for it explicitly so remove from the default list */ 443 output[type].fields &= ~field; 444 evname = evsel__name(evsel); 445 pr_debug("Samples for '%s' event do not have %s attribute set. " 446 "Skipping '%s' field.\n", 447 evname, sample_msg, output_field2str(field)); 448 449 return 0; 450 } 451 452 static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg, 453 enum perf_output_field field) 454 { 455 return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false); 456 } 457 458 static int evsel__check_attr(struct evsel *evsel, struct perf_session *session) 459 { 460 struct perf_event_attr *attr = &evsel->core.attr; 461 bool allow_user_set; 462 463 if (evsel__is_dummy_event(evsel)) 464 return 0; 465 466 if (perf_header__has_feat(&session->header, HEADER_STAT)) 467 return 0; 468 469 allow_user_set = perf_header__has_feat(&session->header, 470 HEADER_AUXTRACE); 471 472 if (PRINT_FIELD(TRACE) && 473 !perf_session__has_traces(session, "record -R")) 474 return -EINVAL; 475 476 if (PRINT_FIELD(IP)) { 477 if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP)) 478 return -EINVAL; 479 } 480 481 if (PRINT_FIELD(ADDR) && 482 evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set)) 483 return -EINVAL; 484 485 if (PRINT_FIELD(DATA_SRC) && 486 evsel__do_check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC, allow_user_set)) 487 return -EINVAL; 488 489 if (PRINT_FIELD(WEIGHT) && 490 evsel__do_check_stype(evsel, PERF_SAMPLE_WEIGHT_TYPE, "WEIGHT", PERF_OUTPUT_WEIGHT, allow_user_set)) 491 return -EINVAL; 492 493 if (PRINT_FIELD(SYM) && 494 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 495 pr_err("Display of symbols requested but neither sample IP nor " 496 "sample address\navailable. Hence, no addresses to convert " 497 "to symbols.\n"); 498 return -EINVAL; 499 } 500 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) { 501 pr_err("Display of offsets requested but symbol is not" 502 "selected.\n"); 503 return -EINVAL; 504 } 505 if (PRINT_FIELD(DSO) && 506 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 507 pr_err("Display of DSO requested but no address to convert.\n"); 508 return -EINVAL; 509 } 510 if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) { 511 pr_err("Display of source line number requested but sample IP is not\n" 512 "selected. Hence, no address to lookup the source line number.\n"); 513 return -EINVAL; 514 } 515 if ((PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN) || PRINT_FIELD(BRSTACKDISASM)) 516 && !allow_user_set && 517 !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) { 518 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n" 519 "Hint: run 'perf record -b ...'\n"); 520 return -EINVAL; 521 } 522 if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) && 523 evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID)) 524 return -EINVAL; 525 526 if (PRINT_FIELD(TIME) && 527 evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME)) 528 return -EINVAL; 529 530 if (PRINT_FIELD(CPU) && 531 evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set)) 532 return -EINVAL; 533 534 if (PRINT_FIELD(IREGS) && 535 evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set)) 536 return -EINVAL; 537 538 if (PRINT_FIELD(UREGS) && 539 evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS)) 540 return -EINVAL; 541 542 if (PRINT_FIELD(PHYS_ADDR) && 543 evsel__do_check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR, allow_user_set)) 544 return -EINVAL; 545 546 if (PRINT_FIELD(DATA_PAGE_SIZE) && 547 evsel__check_stype(evsel, PERF_SAMPLE_DATA_PAGE_SIZE, "DATA_PAGE_SIZE", PERF_OUTPUT_DATA_PAGE_SIZE)) 548 return -EINVAL; 549 550 if (PRINT_FIELD(CODE_PAGE_SIZE) && 551 evsel__check_stype(evsel, PERF_SAMPLE_CODE_PAGE_SIZE, "CODE_PAGE_SIZE", PERF_OUTPUT_CODE_PAGE_SIZE)) 552 return -EINVAL; 553 554 if (PRINT_FIELD(INS_LAT) && 555 evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_INS_LAT)) 556 return -EINVAL; 557 558 if (PRINT_FIELD(CGROUP) && 559 evsel__check_stype(evsel, PERF_SAMPLE_CGROUP, "CGROUP", PERF_OUTPUT_CGROUP)) { 560 pr_err("Hint: run 'perf record --all-cgroups ...'\n"); 561 return -EINVAL; 562 } 563 564 if (PRINT_FIELD(RETIRE_LAT) && 565 evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_RETIRE_LAT)) 566 return -EINVAL; 567 568 return 0; 569 } 570 571 static void set_print_ip_opts(struct perf_event_attr *attr) 572 { 573 unsigned int type = output_type(attr->type); 574 575 output[type].print_ip_opts = 0; 576 if (PRINT_FIELD(IP)) 577 output[type].print_ip_opts |= EVSEL__PRINT_IP; 578 579 if (PRINT_FIELD(SYM)) 580 output[type].print_ip_opts |= EVSEL__PRINT_SYM; 581 582 if (PRINT_FIELD(DSO)) 583 output[type].print_ip_opts |= EVSEL__PRINT_DSO; 584 585 if (PRINT_FIELD(DSOFF)) 586 output[type].print_ip_opts |= EVSEL__PRINT_DSOFF; 587 588 if (PRINT_FIELD(SYMOFFSET)) 589 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET; 590 591 if (PRINT_FIELD(SRCLINE)) 592 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE; 593 } 594 595 static struct evsel *find_first_output_type(struct evlist *evlist, 596 unsigned int type) 597 { 598 struct evsel *evsel; 599 600 evlist__for_each_entry(evlist, evsel) { 601 if (evsel__is_dummy_event(evsel)) 602 continue; 603 if (output_type(evsel->core.attr.type) == (int)type) 604 return evsel; 605 } 606 return NULL; 607 } 608 609 /* 610 * verify all user requested events exist and the samples 611 * have the expected data 612 */ 613 static int perf_session__check_output_opt(struct perf_session *session) 614 { 615 bool tod = false; 616 unsigned int j; 617 struct evsel *evsel; 618 619 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 620 evsel = find_first_output_type(session->evlist, j); 621 622 /* 623 * even if fields is set to 0 (ie., show nothing) event must 624 * exist if user explicitly includes it on the command line 625 */ 626 if (!evsel && output[j].user_set && !output[j].wildcard_set && 627 j != OUTPUT_TYPE_SYNTH) { 628 pr_err("%s events do not exist. " 629 "Remove corresponding -F option to proceed.\n", 630 event_type(j)); 631 return -1; 632 } 633 634 if (evsel && output[j].fields && 635 evsel__check_attr(evsel, session)) 636 return -1; 637 638 if (evsel == NULL) 639 continue; 640 641 /* 'dsoff' implys 'dso' field */ 642 if (output[j].fields & PERF_OUTPUT_DSOFF) 643 output[j].fields |= PERF_OUTPUT_DSO; 644 645 set_print_ip_opts(&evsel->core.attr); 646 tod |= output[j].fields & PERF_OUTPUT_TOD; 647 } 648 649 if (!no_callchain) { 650 bool use_callchain = false; 651 bool not_pipe = false; 652 653 evlist__for_each_entry(session->evlist, evsel) { 654 not_pipe = true; 655 if (evsel__has_callchain(evsel)) { 656 use_callchain = true; 657 break; 658 } 659 } 660 if (not_pipe && !use_callchain) 661 symbol_conf.use_callchain = false; 662 } 663 664 /* 665 * set default for tracepoints to print symbols only 666 * if callchains are present 667 */ 668 if (symbol_conf.use_callchain && 669 !output[PERF_TYPE_TRACEPOINT].user_set) { 670 j = PERF_TYPE_TRACEPOINT; 671 672 evlist__for_each_entry(session->evlist, evsel) { 673 if (evsel->core.attr.type != j) 674 continue; 675 676 if (evsel__has_callchain(evsel)) { 677 output[j].fields |= PERF_OUTPUT_IP; 678 output[j].fields |= PERF_OUTPUT_SYM; 679 output[j].fields |= PERF_OUTPUT_SYMOFFSET; 680 output[j].fields |= PERF_OUTPUT_DSO; 681 set_print_ip_opts(&evsel->core.attr); 682 goto out; 683 } 684 } 685 } 686 687 if (tod && !session->header.env.clock.enabled) { 688 pr_err("Can't provide 'tod' time, missing clock data. " 689 "Please record with -k/--clockid option.\n"); 690 return -1; 691 } 692 out: 693 return 0; 694 } 695 696 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask, const char *arch, 697 FILE *fp) 698 { 699 unsigned i = 0, r; 700 int printed = 0; 701 702 if (!regs || !regs->regs) 703 return 0; 704 705 printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi); 706 707 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) { 708 u64 val = regs->regs[i++]; 709 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r, arch), val); 710 } 711 712 return printed; 713 } 714 715 #define DEFAULT_TOD_FMT "%F %H:%M:%S" 716 717 static char* 718 tod_scnprintf(struct perf_script *script, char *buf, int buflen, 719 u64 timestamp) 720 { 721 u64 tod_ns, clockid_ns; 722 struct perf_env *env; 723 unsigned long nsec; 724 struct tm ltime; 725 char date[64]; 726 time_t sec; 727 728 buf[0] = '\0'; 729 if (buflen < 64 || !script) 730 return buf; 731 732 env = &script->session->header.env; 733 if (!env->clock.enabled) { 734 scnprintf(buf, buflen, "disabled"); 735 return buf; 736 } 737 738 clockid_ns = env->clock.clockid_ns; 739 tod_ns = env->clock.tod_ns; 740 741 if (timestamp > clockid_ns) 742 tod_ns += timestamp - clockid_ns; 743 else 744 tod_ns -= clockid_ns - timestamp; 745 746 sec = (time_t) (tod_ns / NSEC_PER_SEC); 747 nsec = tod_ns - sec * NSEC_PER_SEC; 748 749 if (localtime_r(&sec, <ime) == NULL) { 750 scnprintf(buf, buflen, "failed"); 751 } else { 752 strftime(date, sizeof(date), DEFAULT_TOD_FMT, <ime); 753 754 if (symbol_conf.nanosecs) { 755 snprintf(buf, buflen, "%s.%09lu", date, nsec); 756 } else { 757 snprintf(buf, buflen, "%s.%06lu", 758 date, nsec / NSEC_PER_USEC); 759 } 760 } 761 762 return buf; 763 } 764 765 static int perf_sample__fprintf_iregs(struct perf_sample *sample, 766 struct perf_event_attr *attr, const char *arch, FILE *fp) 767 { 768 return perf_sample__fprintf_regs(&sample->intr_regs, 769 attr->sample_regs_intr, arch, fp); 770 } 771 772 static int perf_sample__fprintf_uregs(struct perf_sample *sample, 773 struct perf_event_attr *attr, const char *arch, FILE *fp) 774 { 775 return perf_sample__fprintf_regs(&sample->user_regs, 776 attr->sample_regs_user, arch, fp); 777 } 778 779 static int perf_sample__fprintf_start(struct perf_script *script, 780 struct perf_sample *sample, 781 struct thread *thread, 782 struct evsel *evsel, 783 u32 type, FILE *fp) 784 { 785 struct perf_event_attr *attr = &evsel->core.attr; 786 unsigned long secs; 787 unsigned long long nsecs; 788 int printed = 0; 789 char tstr[128]; 790 791 if (PRINT_FIELD(MACHINE_PID) && sample->machine_pid) 792 printed += fprintf(fp, "VM:%5d ", sample->machine_pid); 793 794 /* Print VCPU only for guest events i.e. with machine_pid */ 795 if (PRINT_FIELD(VCPU) && sample->machine_pid) 796 printed += fprintf(fp, "VCPU:%03d ", sample->vcpu); 797 798 if (PRINT_FIELD(COMM)) { 799 const char *comm = thread ? thread__comm_str(thread) : ":-1"; 800 801 if (latency_format) 802 printed += fprintf(fp, "%8.8s ", comm); 803 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain) 804 printed += fprintf(fp, "%s ", comm); 805 else 806 printed += fprintf(fp, "%16s ", comm); 807 } 808 809 if (PRINT_FIELD(PID) && PRINT_FIELD(TID)) 810 printed += fprintf(fp, "%7d/%-7d ", sample->pid, sample->tid); 811 else if (PRINT_FIELD(PID)) 812 printed += fprintf(fp, "%7d ", sample->pid); 813 else if (PRINT_FIELD(TID)) 814 printed += fprintf(fp, "%7d ", sample->tid); 815 816 if (PRINT_FIELD(CPU)) { 817 if (latency_format) 818 printed += fprintf(fp, "%3d ", sample->cpu); 819 else 820 printed += fprintf(fp, "[%03d] ", sample->cpu); 821 } 822 823 if (PRINT_FIELD(MISC)) { 824 int ret = 0; 825 826 #define has(m) \ 827 (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m 828 829 if (has(KERNEL)) 830 ret += fprintf(fp, "K"); 831 if (has(USER)) 832 ret += fprintf(fp, "U"); 833 if (has(HYPERVISOR)) 834 ret += fprintf(fp, "H"); 835 if (has(GUEST_KERNEL)) 836 ret += fprintf(fp, "G"); 837 if (has(GUEST_USER)) 838 ret += fprintf(fp, "g"); 839 840 switch (type) { 841 case PERF_RECORD_MMAP: 842 case PERF_RECORD_MMAP2: 843 if (has(MMAP_DATA)) 844 ret += fprintf(fp, "M"); 845 break; 846 case PERF_RECORD_COMM: 847 if (has(COMM_EXEC)) 848 ret += fprintf(fp, "E"); 849 break; 850 case PERF_RECORD_SWITCH: 851 case PERF_RECORD_SWITCH_CPU_WIDE: 852 if (has(SWITCH_OUT)) { 853 ret += fprintf(fp, "S"); 854 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT) 855 ret += fprintf(fp, "p"); 856 } 857 default: 858 break; 859 } 860 861 #undef has 862 863 ret += fprintf(fp, "%*s", 6 - ret, " "); 864 printed += ret; 865 } 866 867 if (PRINT_FIELD(TOD)) { 868 tod_scnprintf(script, tstr, sizeof(tstr), sample->time); 869 printed += fprintf(fp, "%s ", tstr); 870 } 871 872 if (PRINT_FIELD(TIME)) { 873 u64 t = sample->time; 874 if (reltime) { 875 if (!initial_time) 876 initial_time = sample->time; 877 t = sample->time - initial_time; 878 } else if (deltatime) { 879 if (previous_time) 880 t = sample->time - previous_time; 881 else { 882 t = 0; 883 } 884 previous_time = sample->time; 885 } 886 nsecs = t; 887 secs = nsecs / NSEC_PER_SEC; 888 nsecs -= secs * NSEC_PER_SEC; 889 890 if (symbol_conf.nanosecs) 891 printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs); 892 else { 893 char sample_time[32]; 894 timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time)); 895 printed += fprintf(fp, "%12s: ", sample_time); 896 } 897 } 898 899 return printed; 900 } 901 902 static inline char 903 mispred_str(struct branch_entry *br) 904 { 905 if (!(br->flags.mispred || br->flags.predicted)) 906 return '-'; 907 908 return br->flags.predicted ? 'P' : 'M'; 909 } 910 911 static int print_bstack_flags(FILE *fp, struct branch_entry *br) 912 { 913 return fprintf(fp, "/%c/%c/%c/%d/%s/%s ", 914 mispred_str(br), 915 br->flags.in_tx ? 'X' : '-', 916 br->flags.abort ? 'A' : '-', 917 br->flags.cycles, 918 get_branch_type(br), 919 br->flags.spec ? branch_spec_desc(br->flags.spec) : "-"); 920 } 921 922 static int perf_sample__fprintf_brstack(struct perf_sample *sample, 923 struct thread *thread, 924 struct perf_event_attr *attr, FILE *fp) 925 { 926 struct branch_stack *br = sample->branch_stack; 927 struct branch_entry *entries = perf_sample__branch_entries(sample); 928 u64 i, from, to; 929 int printed = 0; 930 931 if (!(br && br->nr)) 932 return 0; 933 934 for (i = 0; i < br->nr; i++) { 935 from = entries[i].from; 936 to = entries[i].to; 937 938 printed += fprintf(fp, " 0x%"PRIx64, from); 939 if (PRINT_FIELD(DSO)) { 940 struct addr_location alf, alt; 941 942 addr_location__init(&alf); 943 addr_location__init(&alt); 944 thread__find_map_fb(thread, sample->cpumode, from, &alf); 945 thread__find_map_fb(thread, sample->cpumode, to, &alt); 946 947 printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp); 948 printed += fprintf(fp, "/0x%"PRIx64, to); 949 printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp); 950 addr_location__exit(&alt); 951 addr_location__exit(&alf); 952 } else 953 printed += fprintf(fp, "/0x%"PRIx64, to); 954 955 printed += print_bstack_flags(fp, entries + i); 956 } 957 958 return printed; 959 } 960 961 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample, 962 struct thread *thread, 963 struct perf_event_attr *attr, FILE *fp) 964 { 965 struct branch_stack *br = sample->branch_stack; 966 struct branch_entry *entries = perf_sample__branch_entries(sample); 967 u64 i, from, to; 968 int printed = 0; 969 970 if (!(br && br->nr)) 971 return 0; 972 973 for (i = 0; i < br->nr; i++) { 974 struct addr_location alf, alt; 975 976 addr_location__init(&alf); 977 addr_location__init(&alt); 978 from = entries[i].from; 979 to = entries[i].to; 980 981 thread__find_symbol_fb(thread, sample->cpumode, from, &alf); 982 thread__find_symbol_fb(thread, sample->cpumode, to, &alt); 983 984 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp); 985 if (PRINT_FIELD(DSO)) 986 printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp); 987 printed += fprintf(fp, "%c", '/'); 988 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp); 989 if (PRINT_FIELD(DSO)) 990 printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp); 991 printed += print_bstack_flags(fp, entries + i); 992 addr_location__exit(&alt); 993 addr_location__exit(&alf); 994 } 995 996 return printed; 997 } 998 999 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample, 1000 struct thread *thread, 1001 struct perf_event_attr *attr, FILE *fp) 1002 { 1003 struct branch_stack *br = sample->branch_stack; 1004 struct branch_entry *entries = perf_sample__branch_entries(sample); 1005 u64 i, from, to; 1006 int printed = 0; 1007 1008 if (!(br && br->nr)) 1009 return 0; 1010 1011 for (i = 0; i < br->nr; i++) { 1012 struct addr_location alf, alt; 1013 1014 addr_location__init(&alf); 1015 addr_location__init(&alt); 1016 from = entries[i].from; 1017 to = entries[i].to; 1018 1019 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) && 1020 !map__dso(alf.map)->adjust_symbols) 1021 from = map__dso_map_ip(alf.map, from); 1022 1023 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) && 1024 !map__dso(alt.map)->adjust_symbols) 1025 to = map__dso_map_ip(alt.map, to); 1026 1027 printed += fprintf(fp, " 0x%"PRIx64, from); 1028 if (PRINT_FIELD(DSO)) 1029 printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp); 1030 printed += fprintf(fp, "/0x%"PRIx64, to); 1031 if (PRINT_FIELD(DSO)) 1032 printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp); 1033 printed += print_bstack_flags(fp, entries + i); 1034 addr_location__exit(&alt); 1035 addr_location__exit(&alf); 1036 } 1037 1038 return printed; 1039 } 1040 #define MAXBB 16384UL 1041 1042 static int grab_bb(u8 *buffer, u64 start, u64 end, 1043 struct machine *machine, struct thread *thread, 1044 bool *is64bit, u8 *cpumode, bool last) 1045 { 1046 long offset, len; 1047 struct addr_location al; 1048 bool kernel; 1049 struct dso *dso; 1050 int ret = 0; 1051 1052 if (!start || !end) 1053 return 0; 1054 1055 kernel = machine__kernel_ip(machine, start); 1056 if (kernel) 1057 *cpumode = PERF_RECORD_MISC_KERNEL; 1058 else 1059 *cpumode = PERF_RECORD_MISC_USER; 1060 1061 /* 1062 * Block overlaps between kernel and user. 1063 * This can happen due to ring filtering 1064 * On Intel CPUs the entry into the kernel is filtered, 1065 * but the exit is not. Let the caller patch it up. 1066 */ 1067 if (kernel != machine__kernel_ip(machine, end)) { 1068 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end); 1069 return -ENXIO; 1070 } 1071 1072 if (end - start > MAXBB - MAXINSN) { 1073 if (last) 1074 pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end); 1075 else 1076 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start); 1077 return 0; 1078 } 1079 1080 addr_location__init(&al); 1081 if (!thread__find_map(thread, *cpumode, start, &al) || (dso = map__dso(al.map)) == NULL) { 1082 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 1083 goto out; 1084 } 1085 if (dso->data.status == DSO_DATA_STATUS_ERROR) { 1086 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 1087 goto out; 1088 } 1089 1090 /* Load maps to ensure dso->is_64_bit has been updated */ 1091 map__load(al.map); 1092 1093 offset = map__map_ip(al.map, start); 1094 len = dso__data_read_offset(dso, machine, offset, (u8 *)buffer, 1095 end - start + MAXINSN); 1096 1097 *is64bit = dso->is_64_bit; 1098 if (len <= 0) 1099 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n", 1100 start, end); 1101 ret = len; 1102 out: 1103 addr_location__exit(&al); 1104 return ret; 1105 } 1106 1107 static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state) 1108 { 1109 char *srcfile; 1110 int ret = 0; 1111 unsigned line; 1112 int len; 1113 char *srccode; 1114 struct dso *dso; 1115 1116 if (!map || (dso = map__dso(map)) == NULL) 1117 return 0; 1118 srcfile = get_srcline_split(dso, 1119 map__rip_2objdump(map, addr), 1120 &line); 1121 if (!srcfile) 1122 return 0; 1123 1124 /* Avoid redundant printing */ 1125 if (state && 1126 state->srcfile && 1127 !strcmp(state->srcfile, srcfile) && 1128 state->line == line) { 1129 free(srcfile); 1130 return 0; 1131 } 1132 1133 srccode = find_sourceline(srcfile, line, &len); 1134 if (!srccode) 1135 goto out_free_line; 1136 1137 ret = fprintf(fp, "|%-8d %.*s", line, len, srccode); 1138 1139 if (state) { 1140 state->srcfile = srcfile; 1141 state->line = line; 1142 } 1143 return ret; 1144 1145 out_free_line: 1146 free(srcfile); 1147 return ret; 1148 } 1149 1150 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr) 1151 { 1152 struct addr_location al; 1153 int ret = 0; 1154 1155 addr_location__init(&al); 1156 thread__find_map(thread, cpumode, addr, &al); 1157 if (!al.map) 1158 goto out; 1159 ret = map__fprintf_srccode(al.map, al.addr, stdout, 1160 thread__srccode_state(thread)); 1161 if (ret) 1162 ret += printf("\n"); 1163 out: 1164 addr_location__exit(&al); 1165 return ret; 1166 } 1167 1168 static int any_dump_insn(struct perf_event_attr *attr __maybe_unused, 1169 struct perf_insn *x, uint64_t ip, 1170 u8 *inbuf, int inlen, int *lenp, 1171 FILE *fp) 1172 { 1173 #ifdef HAVE_LIBCAPSTONE_SUPPORT 1174 if (PRINT_FIELD(BRSTACKDISASM)) { 1175 int printed = fprintf_insn_asm(x->machine, x->thread, x->cpumode, x->is64bit, 1176 (uint8_t *)inbuf, inlen, ip, lenp, 1177 PRINT_INSN_IMM_HEX, fp); 1178 1179 if (printed > 0) 1180 return printed; 1181 } 1182 #endif 1183 return fprintf(fp, "%s", dump_insn(x, ip, inbuf, inlen, lenp)); 1184 } 1185 1186 static int add_padding(FILE *fp, int printed, int padding) 1187 { 1188 if (printed >= 0 && printed < padding) 1189 printed += fprintf(fp, "%*s", padding - printed, ""); 1190 return printed; 1191 } 1192 1193 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en, 1194 struct perf_insn *x, u8 *inbuf, int len, 1195 int insn, FILE *fp, int *total_cycles, 1196 struct perf_event_attr *attr, 1197 struct thread *thread) 1198 { 1199 int ilen = 0; 1200 int printed = fprintf(fp, "\t%016" PRIx64 "\t", ip); 1201 1202 printed += add_padding(fp, any_dump_insn(attr, x, ip, inbuf, len, &ilen, fp), 30); 1203 printed += fprintf(fp, "\t"); 1204 1205 if (PRINT_FIELD(BRSTACKINSNLEN)) 1206 printed += fprintf(fp, "ilen: %d\t", ilen); 1207 1208 if (PRINT_FIELD(SRCLINE)) { 1209 struct addr_location al; 1210 1211 addr_location__init(&al); 1212 thread__find_map(thread, x->cpumode, ip, &al); 1213 printed += map__fprintf_srcline(al.map, al.addr, " srcline: ", fp); 1214 printed += fprintf(fp, "\t"); 1215 addr_location__exit(&al); 1216 } 1217 1218 printed += fprintf(fp, "#%s%s%s%s", 1219 en->flags.predicted ? " PRED" : "", 1220 en->flags.mispred ? " MISPRED" : "", 1221 en->flags.in_tx ? " INTX" : "", 1222 en->flags.abort ? " ABORT" : ""); 1223 if (en->flags.cycles) { 1224 *total_cycles += en->flags.cycles; 1225 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles); 1226 if (insn) 1227 printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles); 1228 } 1229 1230 return printed + fprintf(fp, "\n"); 1231 } 1232 1233 static int ip__fprintf_sym(uint64_t addr, struct thread *thread, 1234 u8 cpumode, int cpu, struct symbol **lastsym, 1235 struct perf_event_attr *attr, FILE *fp) 1236 { 1237 struct addr_location al; 1238 int off, printed = 0, ret = 0; 1239 1240 addr_location__init(&al); 1241 thread__find_map(thread, cpumode, addr, &al); 1242 1243 if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end) 1244 goto out; 1245 1246 al.cpu = cpu; 1247 al.sym = NULL; 1248 if (al.map) 1249 al.sym = map__find_symbol(al.map, al.addr); 1250 1251 if (!al.sym) 1252 goto out; 1253 1254 if (al.addr < al.sym->end) 1255 off = al.addr - al.sym->start; 1256 else 1257 off = al.addr - map__start(al.map) - al.sym->start; 1258 printed += fprintf(fp, "\t%s", al.sym->name); 1259 if (off) 1260 printed += fprintf(fp, "%+d", off); 1261 printed += fprintf(fp, ":"); 1262 if (PRINT_FIELD(SRCLINE)) 1263 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp); 1264 printed += fprintf(fp, "\n"); 1265 *lastsym = al.sym; 1266 1267 ret = printed; 1268 out: 1269 addr_location__exit(&al); 1270 return ret; 1271 } 1272 1273 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample, 1274 struct thread *thread, 1275 struct perf_event_attr *attr, 1276 struct machine *machine, FILE *fp) 1277 { 1278 struct branch_stack *br = sample->branch_stack; 1279 struct branch_entry *entries = perf_sample__branch_entries(sample); 1280 u64 start, end; 1281 int i, insn, len, nr, ilen, printed = 0; 1282 struct perf_insn x; 1283 u8 buffer[MAXBB]; 1284 unsigned off; 1285 struct symbol *lastsym = NULL; 1286 int total_cycles = 0; 1287 1288 if (!(br && br->nr)) 1289 return 0; 1290 nr = br->nr; 1291 if (max_blocks && nr > max_blocks + 1) 1292 nr = max_blocks + 1; 1293 1294 x.thread = thread; 1295 x.machine = machine; 1296 x.cpu = sample->cpu; 1297 1298 printed += fprintf(fp, "%c", '\n'); 1299 1300 /* Handle first from jump, of which we don't know the entry. */ 1301 len = grab_bb(buffer, entries[nr-1].from, 1302 entries[nr-1].from, 1303 machine, thread, &x.is64bit, &x.cpumode, false); 1304 if (len > 0) { 1305 printed += ip__fprintf_sym(entries[nr - 1].from, thread, 1306 x.cpumode, x.cpu, &lastsym, attr, fp); 1307 printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1], 1308 &x, buffer, len, 0, fp, &total_cycles, 1309 attr, thread); 1310 if (PRINT_FIELD(SRCCODE)) 1311 printed += print_srccode(thread, x.cpumode, entries[nr - 1].from); 1312 } 1313 1314 /* Print all blocks */ 1315 for (i = nr - 2; i >= 0; i--) { 1316 if (entries[i].from || entries[i].to) 1317 pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i, 1318 entries[i].from, 1319 entries[i].to); 1320 start = entries[i + 1].to; 1321 end = entries[i].from; 1322 1323 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1324 /* Patch up missing kernel transfers due to ring filters */ 1325 if (len == -ENXIO && i > 0) { 1326 end = entries[--i].from; 1327 pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end); 1328 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1329 } 1330 if (len <= 0) 1331 continue; 1332 1333 insn = 0; 1334 for (off = 0; off < (unsigned)len; off += ilen) { 1335 uint64_t ip = start + off; 1336 1337 printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1338 if (ip == end) { 1339 printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp, 1340 &total_cycles, attr, thread); 1341 if (PRINT_FIELD(SRCCODE)) 1342 printed += print_srccode(thread, x.cpumode, ip); 1343 break; 1344 } else { 1345 ilen = 0; 1346 printed += fprintf(fp, "\t%016" PRIx64 "\t", ip); 1347 printed += any_dump_insn(attr, &x, ip, buffer + off, len - off, &ilen, fp); 1348 if (PRINT_FIELD(BRSTACKINSNLEN)) 1349 printed += fprintf(fp, "\tilen: %d", ilen); 1350 printed += fprintf(fp, "\n"); 1351 if (ilen == 0) 1352 break; 1353 if (PRINT_FIELD(SRCCODE)) 1354 print_srccode(thread, x.cpumode, ip); 1355 insn++; 1356 } 1357 } 1358 if (off != end - start) 1359 printed += fprintf(fp, "\tmismatch of LBR data and executable\n"); 1360 } 1361 1362 /* 1363 * Hit the branch? In this case we are already done, and the target 1364 * has not been executed yet. 1365 */ 1366 if (entries[0].from == sample->ip) 1367 goto out; 1368 if (entries[0].flags.abort) 1369 goto out; 1370 1371 /* 1372 * Print final block up to sample 1373 * 1374 * Due to pipeline delays the LBRs might be missing a branch 1375 * or two, which can result in very large or negative blocks 1376 * between final branch and sample. When this happens just 1377 * continue walking after the last TO until we hit a branch. 1378 */ 1379 start = entries[0].to; 1380 end = sample->ip; 1381 if (end < start) { 1382 /* Missing jump. Scan 128 bytes for the next branch */ 1383 end = start + 128; 1384 } 1385 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true); 1386 printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1387 if (len <= 0) { 1388 /* Print at least last IP if basic block did not work */ 1389 len = grab_bb(buffer, sample->ip, sample->ip, 1390 machine, thread, &x.is64bit, &x.cpumode, false); 1391 if (len <= 0) 1392 goto out; 1393 ilen = 0; 1394 printed += fprintf(fp, "\t%016" PRIx64 "\t", sample->ip); 1395 printed += any_dump_insn(attr, &x, sample->ip, buffer, len, &ilen, fp); 1396 if (PRINT_FIELD(BRSTACKINSNLEN)) 1397 printed += fprintf(fp, "\tilen: %d", ilen); 1398 printed += fprintf(fp, "\n"); 1399 if (PRINT_FIELD(SRCCODE)) 1400 print_srccode(thread, x.cpumode, sample->ip); 1401 goto out; 1402 } 1403 for (off = 0; off <= end - start; off += ilen) { 1404 ilen = 0; 1405 printed += fprintf(fp, "\t%016" PRIx64 "\t", start + off); 1406 printed += any_dump_insn(attr, &x, start + off, buffer + off, len - off, &ilen, fp); 1407 if (PRINT_FIELD(BRSTACKINSNLEN)) 1408 printed += fprintf(fp, "\tilen: %d", ilen); 1409 printed += fprintf(fp, "\n"); 1410 if (ilen == 0) 1411 break; 1412 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) { 1413 /* 1414 * Hit a missing branch. Just stop. 1415 */ 1416 printed += fprintf(fp, "\t... not reaching sample ...\n"); 1417 break; 1418 } 1419 if (PRINT_FIELD(SRCCODE)) 1420 print_srccode(thread, x.cpumode, start + off); 1421 } 1422 out: 1423 return printed; 1424 } 1425 1426 static int perf_sample__fprintf_addr(struct perf_sample *sample, 1427 struct thread *thread, 1428 struct perf_event_attr *attr, FILE *fp) 1429 { 1430 struct addr_location al; 1431 int printed = fprintf(fp, "%16" PRIx64, sample->addr); 1432 1433 addr_location__init(&al); 1434 if (!sample_addr_correlates_sym(attr)) 1435 goto out; 1436 1437 thread__resolve(thread, &al, sample); 1438 1439 if (PRINT_FIELD(SYM)) { 1440 printed += fprintf(fp, " "); 1441 if (PRINT_FIELD(SYMOFFSET)) 1442 printed += symbol__fprintf_symname_offs(al.sym, &al, fp); 1443 else 1444 printed += symbol__fprintf_symname(al.sym, fp); 1445 } 1446 1447 if (PRINT_FIELD(DSO)) 1448 printed += map__fprintf_dsoname_dsoff(al.map, PRINT_FIELD(DSOFF), al.addr, fp); 1449 out: 1450 addr_location__exit(&al); 1451 return printed; 1452 } 1453 1454 static const char *resolve_branch_sym(struct perf_sample *sample, 1455 struct evsel *evsel, 1456 struct thread *thread, 1457 struct addr_location *al, 1458 struct addr_location *addr_al, 1459 u64 *ip) 1460 { 1461 struct perf_event_attr *attr = &evsel->core.attr; 1462 const char *name = NULL; 1463 1464 if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) { 1465 if (sample_addr_correlates_sym(attr)) { 1466 if (!addr_al->thread) 1467 thread__resolve(thread, addr_al, sample); 1468 if (addr_al->sym) 1469 name = addr_al->sym->name; 1470 else 1471 *ip = sample->addr; 1472 } else { 1473 *ip = sample->addr; 1474 } 1475 } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) { 1476 if (al->sym) 1477 name = al->sym->name; 1478 else 1479 *ip = sample->ip; 1480 } 1481 return name; 1482 } 1483 1484 static int perf_sample__fprintf_callindent(struct perf_sample *sample, 1485 struct evsel *evsel, 1486 struct thread *thread, 1487 struct addr_location *al, 1488 struct addr_location *addr_al, 1489 FILE *fp) 1490 { 1491 struct perf_event_attr *attr = &evsel->core.attr; 1492 size_t depth = thread_stack__depth(thread, sample->cpu); 1493 const char *name = NULL; 1494 static int spacing; 1495 int len = 0; 1496 int dlen = 0; 1497 u64 ip = 0; 1498 1499 /* 1500 * The 'return' has already been popped off the stack so the depth has 1501 * to be adjusted to match the 'call'. 1502 */ 1503 if (thread__ts(thread) && sample->flags & PERF_IP_FLAG_RETURN) 1504 depth += 1; 1505 1506 name = resolve_branch_sym(sample, evsel, thread, al, addr_al, &ip); 1507 1508 if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) { 1509 dlen += fprintf(fp, "("); 1510 dlen += map__fprintf_dsoname(al->map, fp); 1511 dlen += fprintf(fp, ")\t"); 1512 } 1513 1514 if (name) 1515 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name); 1516 else if (ip) 1517 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip); 1518 1519 if (len < 0) 1520 return len; 1521 1522 /* 1523 * Try to keep the output length from changing frequently so that the 1524 * output lines up more nicely. 1525 */ 1526 if (len > spacing || (len && len < spacing - 52)) 1527 spacing = round_up(len + 4, 32); 1528 1529 if (len < spacing) 1530 len += fprintf(fp, "%*s", spacing - len, ""); 1531 1532 return len + dlen; 1533 } 1534 1535 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused, 1536 struct thread *thread __maybe_unused, 1537 struct machine *machine __maybe_unused) 1538 { 1539 } 1540 1541 void script_fetch_insn(struct perf_sample *sample, struct thread *thread, 1542 struct machine *machine) 1543 { 1544 if (sample->insn_len == 0 && native_arch) 1545 arch_fetch_insn(sample, thread, machine); 1546 } 1547 1548 static int perf_sample__fprintf_insn(struct perf_sample *sample, 1549 struct perf_event_attr *attr, 1550 struct thread *thread, 1551 struct machine *machine, FILE *fp, 1552 struct addr_location *al) 1553 { 1554 int printed = 0; 1555 1556 script_fetch_insn(sample, thread, machine); 1557 1558 if (PRINT_FIELD(INSNLEN)) 1559 printed += fprintf(fp, " ilen: %d", sample->insn_len); 1560 if (PRINT_FIELD(INSN) && sample->insn_len) { 1561 printed += fprintf(fp, " insn: "); 1562 printed += sample__fprintf_insn_raw(sample, fp); 1563 } 1564 if (PRINT_FIELD(DISASM) && sample->insn_len) { 1565 printed += fprintf(fp, "\t\t"); 1566 printed += sample__fprintf_insn_asm(sample, thread, machine, fp, al); 1567 } 1568 if (PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN) || PRINT_FIELD(BRSTACKDISASM)) 1569 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp); 1570 1571 return printed; 1572 } 1573 1574 static int perf_sample__fprintf_ipc(struct perf_sample *sample, 1575 struct perf_event_attr *attr, FILE *fp) 1576 { 1577 unsigned int ipc; 1578 1579 if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt) 1580 return 0; 1581 1582 ipc = (sample->insn_cnt * 100) / sample->cyc_cnt; 1583 1584 return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ", 1585 ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt); 1586 } 1587 1588 static int perf_sample__fprintf_bts(struct perf_sample *sample, 1589 struct evsel *evsel, 1590 struct thread *thread, 1591 struct addr_location *al, 1592 struct addr_location *addr_al, 1593 struct machine *machine, FILE *fp) 1594 { 1595 struct perf_event_attr *attr = &evsel->core.attr; 1596 unsigned int type = output_type(attr->type); 1597 bool print_srcline_last = false; 1598 int printed = 0; 1599 1600 if (PRINT_FIELD(CALLINDENT)) 1601 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, addr_al, fp); 1602 1603 /* print branch_from information */ 1604 if (PRINT_FIELD(IP)) { 1605 unsigned int print_opts = output[type].print_ip_opts; 1606 struct callchain_cursor *cursor = NULL; 1607 1608 if (symbol_conf.use_callchain && sample->callchain) { 1609 cursor = get_tls_callchain_cursor(); 1610 if (thread__resolve_callchain(al->thread, cursor, evsel, 1611 sample, NULL, NULL, 1612 scripting_max_stack)) 1613 cursor = NULL; 1614 } 1615 if (cursor == NULL) { 1616 printed += fprintf(fp, " "); 1617 if (print_opts & EVSEL__PRINT_SRCLINE) { 1618 print_srcline_last = true; 1619 print_opts &= ~EVSEL__PRINT_SRCLINE; 1620 } 1621 } else 1622 printed += fprintf(fp, "\n"); 1623 1624 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, 1625 symbol_conf.bt_stop_list, fp); 1626 } 1627 1628 /* print branch_to information */ 1629 if (PRINT_FIELD(ADDR) || 1630 ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 1631 !output[type].user_set)) { 1632 printed += fprintf(fp, " => "); 1633 printed += perf_sample__fprintf_addr(sample, thread, attr, fp); 1634 } 1635 1636 printed += perf_sample__fprintf_ipc(sample, attr, fp); 1637 1638 if (print_srcline_last) 1639 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp); 1640 1641 printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp, al); 1642 printed += fprintf(fp, "\n"); 1643 if (PRINT_FIELD(SRCCODE)) { 1644 int ret = map__fprintf_srccode(al->map, al->addr, stdout, 1645 thread__srccode_state(thread)); 1646 if (ret) { 1647 printed += ret; 1648 printed += printf("\n"); 1649 } 1650 } 1651 return printed; 1652 } 1653 1654 static struct { 1655 u32 flags; 1656 const char *name; 1657 } sample_flags[] = { 1658 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"}, 1659 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"}, 1660 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"}, 1661 {PERF_IP_FLAG_BRANCH, "jmp"}, 1662 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"}, 1663 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"}, 1664 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"}, 1665 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"}, 1666 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"}, 1667 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"}, 1668 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"}, 1669 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"}, 1670 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"}, 1671 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMENTRY, "vmentry"}, 1672 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMEXIT, "vmexit"}, 1673 {0, NULL} 1674 }; 1675 1676 static const char *sample_flags_to_name(u32 flags) 1677 { 1678 int i; 1679 1680 for (i = 0; sample_flags[i].name ; i++) { 1681 if (sample_flags[i].flags == flags) 1682 return sample_flags[i].name; 1683 } 1684 1685 return NULL; 1686 } 1687 1688 int perf_sample__sprintf_flags(u32 flags, char *str, size_t sz) 1689 { 1690 u32 xf = PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_INTR_DISABLE | 1691 PERF_IP_FLAG_INTR_TOGGLE; 1692 const char *chars = PERF_IP_FLAG_CHARS; 1693 const size_t n = strlen(PERF_IP_FLAG_CHARS); 1694 const char *name = NULL; 1695 size_t i, pos = 0; 1696 char xs[16] = {0}; 1697 1698 if (flags & xf) 1699 snprintf(xs, sizeof(xs), "(%s%s%s)", 1700 flags & PERF_IP_FLAG_IN_TX ? "x" : "", 1701 flags & PERF_IP_FLAG_INTR_DISABLE ? "D" : "", 1702 flags & PERF_IP_FLAG_INTR_TOGGLE ? "t" : ""); 1703 1704 name = sample_flags_to_name(flags & ~xf); 1705 if (name) 1706 return snprintf(str, sz, "%-15s%6s", name, xs); 1707 1708 if (flags & PERF_IP_FLAG_TRACE_BEGIN) { 1709 name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_BEGIN)); 1710 if (name) 1711 return snprintf(str, sz, "tr strt %-7s%6s", name, xs); 1712 } 1713 1714 if (flags & PERF_IP_FLAG_TRACE_END) { 1715 name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_END)); 1716 if (name) 1717 return snprintf(str, sz, "tr end %-7s%6s", name, xs); 1718 } 1719 1720 for (i = 0; i < n; i++, flags >>= 1) { 1721 if ((flags & 1) && pos < sz) 1722 str[pos++] = chars[i]; 1723 } 1724 for (; i < 32; i++, flags >>= 1) { 1725 if ((flags & 1) && pos < sz) 1726 str[pos++] = '?'; 1727 } 1728 if (pos < sz) 1729 str[pos] = 0; 1730 1731 return pos; 1732 } 1733 1734 static int perf_sample__fprintf_flags(u32 flags, FILE *fp) 1735 { 1736 char str[SAMPLE_FLAGS_BUF_SIZE]; 1737 1738 perf_sample__sprintf_flags(flags, str, sizeof(str)); 1739 return fprintf(fp, " %-21s ", str); 1740 } 1741 1742 struct printer_data { 1743 int line_no; 1744 bool hit_nul; 1745 bool is_printable; 1746 }; 1747 1748 static int sample__fprintf_bpf_output(enum binary_printer_ops op, 1749 unsigned int val, 1750 void *extra, FILE *fp) 1751 { 1752 unsigned char ch = (unsigned char)val; 1753 struct printer_data *printer_data = extra; 1754 int printed = 0; 1755 1756 switch (op) { 1757 case BINARY_PRINT_DATA_BEGIN: 1758 printed += fprintf(fp, "\n"); 1759 break; 1760 case BINARY_PRINT_LINE_BEGIN: 1761 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" : 1762 " "); 1763 break; 1764 case BINARY_PRINT_ADDR: 1765 printed += fprintf(fp, " %04x:", val); 1766 break; 1767 case BINARY_PRINT_NUM_DATA: 1768 printed += fprintf(fp, " %02x", val); 1769 break; 1770 case BINARY_PRINT_NUM_PAD: 1771 printed += fprintf(fp, " "); 1772 break; 1773 case BINARY_PRINT_SEP: 1774 printed += fprintf(fp, " "); 1775 break; 1776 case BINARY_PRINT_CHAR_DATA: 1777 if (printer_data->hit_nul && ch) 1778 printer_data->is_printable = false; 1779 1780 if (!isprint(ch)) { 1781 printed += fprintf(fp, "%c", '.'); 1782 1783 if (!printer_data->is_printable) 1784 break; 1785 1786 if (ch == '\0') 1787 printer_data->hit_nul = true; 1788 else 1789 printer_data->is_printable = false; 1790 } else { 1791 printed += fprintf(fp, "%c", ch); 1792 } 1793 break; 1794 case BINARY_PRINT_CHAR_PAD: 1795 printed += fprintf(fp, " "); 1796 break; 1797 case BINARY_PRINT_LINE_END: 1798 printed += fprintf(fp, "\n"); 1799 printer_data->line_no++; 1800 break; 1801 case BINARY_PRINT_DATA_END: 1802 default: 1803 break; 1804 } 1805 1806 return printed; 1807 } 1808 1809 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp) 1810 { 1811 unsigned int nr_bytes = sample->raw_size; 1812 struct printer_data printer_data = {0, false, true}; 1813 int printed = binary__fprintf(sample->raw_data, nr_bytes, 8, 1814 sample__fprintf_bpf_output, &printer_data, fp); 1815 1816 if (printer_data.is_printable && printer_data.hit_nul) 1817 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data)); 1818 1819 return printed; 1820 } 1821 1822 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp) 1823 { 1824 if (len > 0 && len < spacing) 1825 return fprintf(fp, "%*s", spacing - len, ""); 1826 1827 return 0; 1828 } 1829 1830 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp) 1831 { 1832 return perf_sample__fprintf_spacing(len, 34, fp); 1833 } 1834 1835 /* If a value contains only printable ASCII characters padded with NULLs */ 1836 static bool ptw_is_prt(u64 val) 1837 { 1838 char c; 1839 u32 i; 1840 1841 for (i = 0; i < sizeof(val); i++) { 1842 c = ((char *)&val)[i]; 1843 if (!c) 1844 break; 1845 if (!isprint(c) || !isascii(c)) 1846 return false; 1847 } 1848 for (; i < sizeof(val); i++) { 1849 c = ((char *)&val)[i]; 1850 if (c) 1851 return false; 1852 } 1853 return true; 1854 } 1855 1856 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp) 1857 { 1858 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample); 1859 char str[sizeof(u64) + 1] = ""; 1860 int len; 1861 u64 val; 1862 1863 if (perf_sample__bad_synth_size(sample, *data)) 1864 return 0; 1865 1866 val = le64_to_cpu(data->payload); 1867 if (ptw_is_prt(val)) { 1868 memcpy(str, &val, sizeof(val)); 1869 str[sizeof(val)] = 0; 1870 } 1871 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " %s ", 1872 data->ip, val, str); 1873 return len + perf_sample__fprintf_pt_spacing(len, fp); 1874 } 1875 1876 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp) 1877 { 1878 struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample); 1879 int len; 1880 1881 if (perf_sample__bad_synth_size(sample, *data)) 1882 return 0; 1883 1884 len = fprintf(fp, " hints: %#x extensions: %#x ", 1885 data->hints, data->extensions); 1886 return len + perf_sample__fprintf_pt_spacing(len, fp); 1887 } 1888 1889 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp) 1890 { 1891 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample); 1892 int len; 1893 1894 if (perf_sample__bad_synth_size(sample, *data)) 1895 return 0; 1896 1897 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ", 1898 data->hw, data->cstate, data->subcstate); 1899 return len + perf_sample__fprintf_pt_spacing(len, fp); 1900 } 1901 1902 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp) 1903 { 1904 struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample); 1905 int len; 1906 1907 if (perf_sample__bad_synth_size(sample, *data)) 1908 return 0; 1909 1910 len = fprintf(fp, " IP: %u ", data->ip); 1911 return len + perf_sample__fprintf_pt_spacing(len, fp); 1912 } 1913 1914 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp) 1915 { 1916 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample); 1917 int len; 1918 1919 if (perf_sample__bad_synth_size(sample, *data)) 1920 return 0; 1921 1922 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ", 1923 data->deepest_cstate, data->last_cstate, 1924 data->wake_reason); 1925 return len + perf_sample__fprintf_pt_spacing(len, fp); 1926 } 1927 1928 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp) 1929 { 1930 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample); 1931 unsigned int percent, freq; 1932 int len; 1933 1934 if (perf_sample__bad_synth_size(sample, *data)) 1935 return 0; 1936 1937 freq = (le32_to_cpu(data->freq) + 500) / 1000; 1938 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq); 1939 if (data->max_nonturbo) { 1940 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10; 1941 len += fprintf(fp, "(%3u%%) ", percent); 1942 } 1943 return len + perf_sample__fprintf_pt_spacing(len, fp); 1944 } 1945 1946 static int perf_sample__fprintf_synth_psb(struct perf_sample *sample, FILE *fp) 1947 { 1948 struct perf_synth_intel_psb *data = perf_sample__synth_ptr(sample); 1949 int len; 1950 1951 if (perf_sample__bad_synth_size(sample, *data)) 1952 return 0; 1953 1954 len = fprintf(fp, " psb offs: %#" PRIx64, data->offset); 1955 return len + perf_sample__fprintf_pt_spacing(len, fp); 1956 } 1957 1958 /* Intel PT Event Trace */ 1959 static int perf_sample__fprintf_synth_evt(struct perf_sample *sample, FILE *fp) 1960 { 1961 struct perf_synth_intel_evt *data = perf_sample__synth_ptr(sample); 1962 const char *cfe[32] = {NULL, "INTR", "IRET", "SMI", "RSM", "SIPI", 1963 "INIT", "VMENTRY", "VMEXIT", "VMEXIT_INTR", 1964 "SHUTDOWN", NULL, "UINTR", "UIRET"}; 1965 const char *evd[64] = {"PFA", "VMXQ", "VMXR"}; 1966 const char *s; 1967 int len, i; 1968 1969 if (perf_sample__bad_synth_size(sample, *data)) 1970 return 0; 1971 1972 s = cfe[data->type]; 1973 if (s) { 1974 len = fprintf(fp, " cfe: %s IP: %d vector: %u", 1975 s, data->ip, data->vector); 1976 } else { 1977 len = fprintf(fp, " cfe: %u IP: %d vector: %u", 1978 data->type, data->ip, data->vector); 1979 } 1980 for (i = 0; i < data->evd_cnt; i++) { 1981 unsigned int et = data->evd[i].evd_type & 0x3f; 1982 1983 s = evd[et]; 1984 if (s) { 1985 len += fprintf(fp, " %s: %#" PRIx64, 1986 s, data->evd[i].payload); 1987 } else { 1988 len += fprintf(fp, " EVD_%u: %#" PRIx64, 1989 et, data->evd[i].payload); 1990 } 1991 } 1992 return len + perf_sample__fprintf_pt_spacing(len, fp); 1993 } 1994 1995 static int perf_sample__fprintf_synth_iflag_chg(struct perf_sample *sample, FILE *fp) 1996 { 1997 struct perf_synth_intel_iflag_chg *data = perf_sample__synth_ptr(sample); 1998 int len; 1999 2000 if (perf_sample__bad_synth_size(sample, *data)) 2001 return 0; 2002 2003 len = fprintf(fp, " IFLAG: %d->%d %s branch", !data->iflag, data->iflag, 2004 data->via_branch ? "via" : "non"); 2005 return len + perf_sample__fprintf_pt_spacing(len, fp); 2006 } 2007 2008 static int perf_sample__fprintf_synth(struct perf_sample *sample, 2009 struct evsel *evsel, FILE *fp) 2010 { 2011 switch (evsel->core.attr.config) { 2012 case PERF_SYNTH_INTEL_PTWRITE: 2013 return perf_sample__fprintf_synth_ptwrite(sample, fp); 2014 case PERF_SYNTH_INTEL_MWAIT: 2015 return perf_sample__fprintf_synth_mwait(sample, fp); 2016 case PERF_SYNTH_INTEL_PWRE: 2017 return perf_sample__fprintf_synth_pwre(sample, fp); 2018 case PERF_SYNTH_INTEL_EXSTOP: 2019 return perf_sample__fprintf_synth_exstop(sample, fp); 2020 case PERF_SYNTH_INTEL_PWRX: 2021 return perf_sample__fprintf_synth_pwrx(sample, fp); 2022 case PERF_SYNTH_INTEL_CBR: 2023 return perf_sample__fprintf_synth_cbr(sample, fp); 2024 case PERF_SYNTH_INTEL_PSB: 2025 return perf_sample__fprintf_synth_psb(sample, fp); 2026 case PERF_SYNTH_INTEL_EVT: 2027 return perf_sample__fprintf_synth_evt(sample, fp); 2028 case PERF_SYNTH_INTEL_IFLAG_CHG: 2029 return perf_sample__fprintf_synth_iflag_chg(sample, fp); 2030 default: 2031 break; 2032 } 2033 2034 return 0; 2035 } 2036 2037 static int evlist__max_name_len(struct evlist *evlist) 2038 { 2039 struct evsel *evsel; 2040 int max = 0; 2041 2042 evlist__for_each_entry(evlist, evsel) { 2043 int len = strlen(evsel__name(evsel)); 2044 2045 max = MAX(len, max); 2046 } 2047 2048 return max; 2049 } 2050 2051 static int data_src__fprintf(u64 data_src, FILE *fp) 2052 { 2053 struct mem_info mi = { .data_src.val = data_src }; 2054 char decode[100]; 2055 char out[100]; 2056 static int maxlen; 2057 int len; 2058 2059 perf_script__meminfo_scnprintf(decode, 100, &mi); 2060 2061 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode); 2062 if (maxlen < len) 2063 maxlen = len; 2064 2065 return fprintf(fp, "%-*s", maxlen, out); 2066 } 2067 2068 struct metric_ctx { 2069 struct perf_sample *sample; 2070 struct thread *thread; 2071 struct evsel *evsel; 2072 FILE *fp; 2073 }; 2074 2075 static void script_print_metric(struct perf_stat_config *config __maybe_unused, 2076 void *ctx, const char *color, 2077 const char *fmt, 2078 const char *unit, double val) 2079 { 2080 struct metric_ctx *mctx = ctx; 2081 2082 if (!fmt) 2083 return; 2084 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, 2085 PERF_RECORD_SAMPLE, mctx->fp); 2086 fputs("\tmetric: ", mctx->fp); 2087 if (color) 2088 color_fprintf(mctx->fp, color, fmt, val); 2089 else 2090 printf(fmt, val); 2091 fprintf(mctx->fp, " %s\n", unit); 2092 } 2093 2094 static void script_new_line(struct perf_stat_config *config __maybe_unused, 2095 void *ctx) 2096 { 2097 struct metric_ctx *mctx = ctx; 2098 2099 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, 2100 PERF_RECORD_SAMPLE, mctx->fp); 2101 fputs("\tmetric: ", mctx->fp); 2102 } 2103 2104 static void perf_sample__fprint_metric(struct perf_script *script, 2105 struct thread *thread, 2106 struct evsel *evsel, 2107 struct perf_sample *sample, 2108 FILE *fp) 2109 { 2110 struct evsel *leader = evsel__leader(evsel); 2111 struct perf_stat_output_ctx ctx = { 2112 .print_metric = script_print_metric, 2113 .new_line = script_new_line, 2114 .ctx = &(struct metric_ctx) { 2115 .sample = sample, 2116 .thread = thread, 2117 .evsel = evsel, 2118 .fp = fp, 2119 }, 2120 .force_header = false, 2121 }; 2122 struct evsel *ev2; 2123 u64 val; 2124 2125 if (!evsel->stats) 2126 evlist__alloc_stats(&stat_config, script->session->evlist, /*alloc_raw=*/false); 2127 if (evsel_script(leader)->gnum++ == 0) 2128 perf_stat__reset_shadow_stats(); 2129 val = sample->period * evsel->scale; 2130 evsel_script(evsel)->val = val; 2131 if (evsel_script(leader)->gnum == leader->core.nr_members) { 2132 for_each_group_member (ev2, leader) { 2133 perf_stat__print_shadow_stats(&stat_config, ev2, 2134 evsel_script(ev2)->val, 2135 sample->cpu, 2136 &ctx, 2137 NULL); 2138 } 2139 evsel_script(leader)->gnum = 0; 2140 } 2141 } 2142 2143 static bool show_event(struct perf_sample *sample, 2144 struct evsel *evsel, 2145 struct thread *thread, 2146 struct addr_location *al, 2147 struct addr_location *addr_al) 2148 { 2149 int depth = thread_stack__depth(thread, sample->cpu); 2150 2151 if (!symbol_conf.graph_function) 2152 return true; 2153 2154 if (thread__filter(thread)) { 2155 if (depth <= thread__filter_entry_depth(thread)) { 2156 thread__set_filter(thread, false); 2157 return false; 2158 } 2159 return true; 2160 } else { 2161 const char *s = symbol_conf.graph_function; 2162 u64 ip; 2163 const char *name = resolve_branch_sym(sample, evsel, thread, al, addr_al, 2164 &ip); 2165 unsigned nlen; 2166 2167 if (!name) 2168 return false; 2169 nlen = strlen(name); 2170 while (*s) { 2171 unsigned len = strcspn(s, ","); 2172 if (nlen == len && !strncmp(name, s, len)) { 2173 thread__set_filter(thread, true); 2174 thread__set_filter_entry_depth(thread, depth); 2175 return true; 2176 } 2177 s += len; 2178 if (*s == ',') 2179 s++; 2180 } 2181 return false; 2182 } 2183 } 2184 2185 static void process_event(struct perf_script *script, 2186 struct perf_sample *sample, struct evsel *evsel, 2187 struct addr_location *al, 2188 struct addr_location *addr_al, 2189 struct machine *machine) 2190 { 2191 struct thread *thread = al->thread; 2192 struct perf_event_attr *attr = &evsel->core.attr; 2193 unsigned int type = output_type(attr->type); 2194 struct evsel_script *es = evsel->priv; 2195 FILE *fp = es->fp; 2196 char str[PAGE_SIZE_NAME_LEN]; 2197 const char *arch = perf_env__arch(machine->env); 2198 2199 if (output[type].fields == 0) 2200 return; 2201 2202 ++es->samples; 2203 2204 perf_sample__fprintf_start(script, sample, thread, evsel, 2205 PERF_RECORD_SAMPLE, fp); 2206 2207 if (PRINT_FIELD(PERIOD)) 2208 fprintf(fp, "%10" PRIu64 " ", sample->period); 2209 2210 if (PRINT_FIELD(EVNAME)) { 2211 const char *evname = evsel__name(evsel); 2212 2213 if (!script->name_width) 2214 script->name_width = evlist__max_name_len(script->session->evlist); 2215 2216 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]"); 2217 } 2218 2219 if (print_flags) 2220 perf_sample__fprintf_flags(sample->flags, fp); 2221 2222 if (is_bts_event(attr)) { 2223 perf_sample__fprintf_bts(sample, evsel, thread, al, addr_al, machine, fp); 2224 return; 2225 } 2226 #ifdef HAVE_LIBTRACEEVENT 2227 if (PRINT_FIELD(TRACE) && sample->raw_data) { 2228 event_format__fprintf(evsel->tp_format, sample->cpu, 2229 sample->raw_data, sample->raw_size, fp); 2230 } 2231 #endif 2232 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH)) 2233 perf_sample__fprintf_synth(sample, evsel, fp); 2234 2235 if (PRINT_FIELD(ADDR)) 2236 perf_sample__fprintf_addr(sample, thread, attr, fp); 2237 2238 if (PRINT_FIELD(DATA_SRC)) 2239 data_src__fprintf(sample->data_src, fp); 2240 2241 if (PRINT_FIELD(WEIGHT)) 2242 fprintf(fp, "%16" PRIu64, sample->weight); 2243 2244 if (PRINT_FIELD(INS_LAT)) 2245 fprintf(fp, "%16" PRIu16, sample->ins_lat); 2246 2247 if (PRINT_FIELD(RETIRE_LAT)) 2248 fprintf(fp, "%16" PRIu16, sample->retire_lat); 2249 2250 if (PRINT_FIELD(CGROUP)) { 2251 const char *cgrp_name; 2252 struct cgroup *cgrp = cgroup__find(machine->env, 2253 sample->cgroup); 2254 if (cgrp != NULL) 2255 cgrp_name = cgrp->name; 2256 else 2257 cgrp_name = "unknown"; 2258 fprintf(fp, " %s", cgrp_name); 2259 } 2260 2261 if (PRINT_FIELD(IP)) { 2262 struct callchain_cursor *cursor = NULL; 2263 2264 if (script->stitch_lbr) 2265 thread__set_lbr_stitch_enable(al->thread, true); 2266 2267 if (symbol_conf.use_callchain && sample->callchain) { 2268 cursor = get_tls_callchain_cursor(); 2269 if (thread__resolve_callchain(al->thread, cursor, evsel, 2270 sample, NULL, NULL, 2271 scripting_max_stack)) 2272 cursor = NULL; 2273 } 2274 fputc(cursor ? '\n' : ' ', fp); 2275 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, 2276 symbol_conf.bt_stop_list, fp); 2277 } 2278 2279 if (PRINT_FIELD(IREGS)) 2280 perf_sample__fprintf_iregs(sample, attr, arch, fp); 2281 2282 if (PRINT_FIELD(UREGS)) 2283 perf_sample__fprintf_uregs(sample, attr, arch, fp); 2284 2285 if (PRINT_FIELD(BRSTACK)) 2286 perf_sample__fprintf_brstack(sample, thread, attr, fp); 2287 else if (PRINT_FIELD(BRSTACKSYM)) 2288 perf_sample__fprintf_brstacksym(sample, thread, attr, fp); 2289 else if (PRINT_FIELD(BRSTACKOFF)) 2290 perf_sample__fprintf_brstackoff(sample, thread, attr, fp); 2291 2292 if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT)) 2293 perf_sample__fprintf_bpf_output(sample, fp); 2294 perf_sample__fprintf_insn(sample, attr, thread, machine, fp, al); 2295 2296 if (PRINT_FIELD(PHYS_ADDR)) 2297 fprintf(fp, "%16" PRIx64, sample->phys_addr); 2298 2299 if (PRINT_FIELD(DATA_PAGE_SIZE)) 2300 fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str)); 2301 2302 if (PRINT_FIELD(CODE_PAGE_SIZE)) 2303 fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str)); 2304 2305 perf_sample__fprintf_ipc(sample, attr, fp); 2306 2307 fprintf(fp, "\n"); 2308 2309 if (PRINT_FIELD(SRCCODE)) { 2310 if (map__fprintf_srccode(al->map, al->addr, stdout, 2311 thread__srccode_state(thread))) 2312 printf("\n"); 2313 } 2314 2315 if (PRINT_FIELD(METRIC)) 2316 perf_sample__fprint_metric(script, thread, evsel, sample, fp); 2317 2318 if (verbose > 0) 2319 fflush(fp); 2320 } 2321 2322 static struct scripting_ops *scripting_ops; 2323 2324 static void __process_stat(struct evsel *counter, u64 tstamp) 2325 { 2326 int nthreads = perf_thread_map__nr(counter->core.threads); 2327 int idx, thread; 2328 struct perf_cpu cpu; 2329 static int header_printed; 2330 2331 if (!header_printed) { 2332 printf("%3s %8s %15s %15s %15s %15s %s\n", 2333 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT"); 2334 header_printed = 1; 2335 } 2336 2337 for (thread = 0; thread < nthreads; thread++) { 2338 perf_cpu_map__for_each_cpu(cpu, idx, evsel__cpus(counter)) { 2339 struct perf_counts_values *counts; 2340 2341 counts = perf_counts(counter->counts, idx, thread); 2342 2343 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n", 2344 cpu.cpu, 2345 perf_thread_map__pid(counter->core.threads, thread), 2346 counts->val, 2347 counts->ena, 2348 counts->run, 2349 tstamp, 2350 evsel__name(counter)); 2351 } 2352 } 2353 } 2354 2355 static void process_stat(struct evsel *counter, u64 tstamp) 2356 { 2357 if (scripting_ops && scripting_ops->process_stat) 2358 scripting_ops->process_stat(&stat_config, counter, tstamp); 2359 else 2360 __process_stat(counter, tstamp); 2361 } 2362 2363 static void process_stat_interval(u64 tstamp) 2364 { 2365 if (scripting_ops && scripting_ops->process_stat_interval) 2366 scripting_ops->process_stat_interval(tstamp); 2367 } 2368 2369 static void setup_scripting(void) 2370 { 2371 #ifdef HAVE_LIBTRACEEVENT 2372 setup_perl_scripting(); 2373 #endif 2374 setup_python_scripting(); 2375 } 2376 2377 static int flush_scripting(void) 2378 { 2379 return scripting_ops ? scripting_ops->flush_script() : 0; 2380 } 2381 2382 static int cleanup_scripting(void) 2383 { 2384 pr_debug("\nperf script stopped\n"); 2385 2386 return scripting_ops ? scripting_ops->stop_script() : 0; 2387 } 2388 2389 static bool filter_cpu(struct perf_sample *sample) 2390 { 2391 if (cpu_list && sample->cpu != (u32)-1) 2392 return !test_bit(sample->cpu, cpu_bitmap); 2393 return false; 2394 } 2395 2396 static int process_sample_event(struct perf_tool *tool, 2397 union perf_event *event, 2398 struct perf_sample *sample, 2399 struct evsel *evsel, 2400 struct machine *machine) 2401 { 2402 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2403 struct addr_location al; 2404 struct addr_location addr_al; 2405 int ret = 0; 2406 2407 /* Set thread to NULL to indicate addr_al and al are not initialized */ 2408 addr_location__init(&al); 2409 addr_location__init(&addr_al); 2410 2411 ret = dlfilter__filter_event_early(dlfilter, event, sample, evsel, machine, &al, &addr_al); 2412 if (ret) { 2413 if (ret > 0) 2414 ret = 0; 2415 goto out_put; 2416 } 2417 2418 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num, 2419 sample->time)) { 2420 goto out_put; 2421 } 2422 2423 if (debug_mode) { 2424 if (sample->time < last_timestamp) { 2425 pr_err("Samples misordered, previous: %" PRIu64 2426 " this: %" PRIu64 "\n", last_timestamp, 2427 sample->time); 2428 nr_unordered++; 2429 } 2430 last_timestamp = sample->time; 2431 goto out_put; 2432 } 2433 2434 if (filter_cpu(sample)) 2435 goto out_put; 2436 2437 if (!al.thread && machine__resolve(machine, &al, sample) < 0) { 2438 pr_err("problem processing %d event, skipping it.\n", 2439 event->header.type); 2440 ret = -1; 2441 goto out_put; 2442 } 2443 2444 if (al.filtered) 2445 goto out_put; 2446 2447 if (!show_event(sample, evsel, al.thread, &al, &addr_al)) 2448 goto out_put; 2449 2450 if (evswitch__discard(&scr->evswitch, evsel)) 2451 goto out_put; 2452 2453 ret = dlfilter__filter_event(dlfilter, event, sample, evsel, machine, &al, &addr_al); 2454 if (ret) { 2455 if (ret > 0) 2456 ret = 0; 2457 goto out_put; 2458 } 2459 2460 if (scripting_ops) { 2461 struct addr_location *addr_al_ptr = NULL; 2462 2463 if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 2464 sample_addr_correlates_sym(&evsel->core.attr)) { 2465 if (!addr_al.thread) 2466 thread__resolve(al.thread, &addr_al, sample); 2467 addr_al_ptr = &addr_al; 2468 } 2469 scripting_ops->process_event(event, sample, evsel, &al, addr_al_ptr); 2470 } else { 2471 process_event(scr, sample, evsel, &al, &addr_al, machine); 2472 } 2473 2474 out_put: 2475 addr_location__exit(&addr_al); 2476 addr_location__exit(&al); 2477 return ret; 2478 } 2479 2480 // Used when scr->per_event_dump is not set 2481 static struct evsel_script es_stdout; 2482 2483 static int process_attr(struct perf_tool *tool, union perf_event *event, 2484 struct evlist **pevlist) 2485 { 2486 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2487 struct evlist *evlist; 2488 struct evsel *evsel, *pos; 2489 u64 sample_type; 2490 int err; 2491 2492 err = perf_event__process_attr(tool, event, pevlist); 2493 if (err) 2494 return err; 2495 2496 evlist = *pevlist; 2497 evsel = evlist__last(*pevlist); 2498 2499 if (!evsel->priv) { 2500 if (scr->per_event_dump) { 2501 evsel->priv = evsel_script__new(evsel, scr->session->data); 2502 if (!evsel->priv) 2503 return -ENOMEM; 2504 } else { // Replicate what is done in perf_script__setup_per_event_dump() 2505 es_stdout.fp = stdout; 2506 evsel->priv = &es_stdout; 2507 } 2508 } 2509 2510 if (evsel->core.attr.type >= PERF_TYPE_MAX && 2511 evsel->core.attr.type != PERF_TYPE_SYNTH) 2512 return 0; 2513 2514 evlist__for_each_entry(evlist, pos) { 2515 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel) 2516 return 0; 2517 } 2518 2519 if (evsel->core.attr.sample_type) { 2520 err = evsel__check_attr(evsel, scr->session); 2521 if (err) 2522 return err; 2523 } 2524 2525 /* 2526 * Check if we need to enable callchains based 2527 * on events sample_type. 2528 */ 2529 sample_type = evlist__combined_sample_type(evlist); 2530 callchain_param_setup(sample_type, perf_env__arch((*pevlist)->env)); 2531 2532 /* Enable fields for callchain entries */ 2533 if (symbol_conf.use_callchain && 2534 (sample_type & PERF_SAMPLE_CALLCHAIN || 2535 sample_type & PERF_SAMPLE_BRANCH_STACK || 2536 (sample_type & PERF_SAMPLE_REGS_USER && 2537 sample_type & PERF_SAMPLE_STACK_USER))) { 2538 int type = output_type(evsel->core.attr.type); 2539 2540 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP)) 2541 output[type].fields |= PERF_OUTPUT_IP; 2542 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM)) 2543 output[type].fields |= PERF_OUTPUT_SYM; 2544 } 2545 set_print_ip_opts(&evsel->core.attr); 2546 return 0; 2547 } 2548 2549 static int print_event_with_time(struct perf_tool *tool, 2550 union perf_event *event, 2551 struct perf_sample *sample, 2552 struct machine *machine, 2553 pid_t pid, pid_t tid, u64 timestamp) 2554 { 2555 struct perf_script *script = container_of(tool, struct perf_script, tool); 2556 struct perf_session *session = script->session; 2557 struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id); 2558 struct thread *thread = NULL; 2559 2560 if (evsel && !evsel->core.attr.sample_id_all) { 2561 sample->cpu = 0; 2562 sample->time = timestamp; 2563 sample->pid = pid; 2564 sample->tid = tid; 2565 } 2566 2567 if (filter_cpu(sample)) 2568 return 0; 2569 2570 if (tid != -1) 2571 thread = machine__findnew_thread(machine, pid, tid); 2572 2573 if (evsel) { 2574 perf_sample__fprintf_start(script, sample, thread, evsel, 2575 event->header.type, stdout); 2576 } 2577 2578 perf_event__fprintf(event, machine, stdout); 2579 2580 thread__put(thread); 2581 2582 return 0; 2583 } 2584 2585 static int print_event(struct perf_tool *tool, union perf_event *event, 2586 struct perf_sample *sample, struct machine *machine, 2587 pid_t pid, pid_t tid) 2588 { 2589 return print_event_with_time(tool, event, sample, machine, pid, tid, 0); 2590 } 2591 2592 static int process_comm_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_comm(tool, event, sample, machine) < 0) 2598 return -1; 2599 2600 return print_event(tool, event, sample, machine, event->comm.pid, 2601 event->comm.tid); 2602 } 2603 2604 static int process_namespaces_event(struct perf_tool *tool, 2605 union perf_event *event, 2606 struct perf_sample *sample, 2607 struct machine *machine) 2608 { 2609 if (perf_event__process_namespaces(tool, event, sample, machine) < 0) 2610 return -1; 2611 2612 return print_event(tool, event, sample, machine, event->namespaces.pid, 2613 event->namespaces.tid); 2614 } 2615 2616 static int process_cgroup_event(struct perf_tool *tool, 2617 union perf_event *event, 2618 struct perf_sample *sample, 2619 struct machine *machine) 2620 { 2621 if (perf_event__process_cgroup(tool, event, sample, machine) < 0) 2622 return -1; 2623 2624 return print_event(tool, event, sample, machine, sample->pid, 2625 sample->tid); 2626 } 2627 2628 static int process_fork_event(struct perf_tool *tool, 2629 union perf_event *event, 2630 struct perf_sample *sample, 2631 struct machine *machine) 2632 { 2633 if (perf_event__process_fork(tool, event, sample, machine) < 0) 2634 return -1; 2635 2636 return print_event_with_time(tool, event, sample, machine, 2637 event->fork.pid, event->fork.tid, 2638 event->fork.time); 2639 } 2640 static int process_exit_event(struct perf_tool *tool, 2641 union perf_event *event, 2642 struct perf_sample *sample, 2643 struct machine *machine) 2644 { 2645 /* Print before 'exit' deletes anything */ 2646 if (print_event_with_time(tool, event, sample, machine, event->fork.pid, 2647 event->fork.tid, event->fork.time)) 2648 return -1; 2649 2650 return perf_event__process_exit(tool, event, sample, machine); 2651 } 2652 2653 static int process_mmap_event(struct perf_tool *tool, 2654 union perf_event *event, 2655 struct perf_sample *sample, 2656 struct machine *machine) 2657 { 2658 if (perf_event__process_mmap(tool, event, sample, machine) < 0) 2659 return -1; 2660 2661 return print_event(tool, event, sample, machine, event->mmap.pid, 2662 event->mmap.tid); 2663 } 2664 2665 static int process_mmap2_event(struct perf_tool *tool, 2666 union perf_event *event, 2667 struct perf_sample *sample, 2668 struct machine *machine) 2669 { 2670 if (perf_event__process_mmap2(tool, event, sample, machine) < 0) 2671 return -1; 2672 2673 return print_event(tool, event, sample, machine, event->mmap2.pid, 2674 event->mmap2.tid); 2675 } 2676 2677 static int process_switch_event(struct perf_tool *tool, 2678 union perf_event *event, 2679 struct perf_sample *sample, 2680 struct machine *machine) 2681 { 2682 struct perf_script *script = container_of(tool, struct perf_script, tool); 2683 2684 if (perf_event__process_switch(tool, event, sample, machine) < 0) 2685 return -1; 2686 2687 if (scripting_ops && scripting_ops->process_switch && !filter_cpu(sample)) 2688 scripting_ops->process_switch(event, sample, machine); 2689 2690 if (!script->show_switch_events) 2691 return 0; 2692 2693 return print_event(tool, event, sample, machine, sample->pid, 2694 sample->tid); 2695 } 2696 2697 static int process_auxtrace_error(struct perf_session *session, 2698 union perf_event *event) 2699 { 2700 if (scripting_ops && scripting_ops->process_auxtrace_error) { 2701 scripting_ops->process_auxtrace_error(session, event); 2702 return 0; 2703 } 2704 2705 return perf_event__process_auxtrace_error(session, event); 2706 } 2707 2708 static int 2709 process_lost_event(struct perf_tool *tool, 2710 union perf_event *event, 2711 struct perf_sample *sample, 2712 struct machine *machine) 2713 { 2714 return print_event(tool, event, sample, machine, sample->pid, 2715 sample->tid); 2716 } 2717 2718 static int 2719 process_throttle_event(struct perf_tool *tool __maybe_unused, 2720 union perf_event *event, 2721 struct perf_sample *sample, 2722 struct machine *machine) 2723 { 2724 if (scripting_ops && scripting_ops->process_throttle) 2725 scripting_ops->process_throttle(event, sample, machine); 2726 return 0; 2727 } 2728 2729 static int 2730 process_finished_round_event(struct perf_tool *tool __maybe_unused, 2731 union perf_event *event, 2732 struct ordered_events *oe __maybe_unused) 2733 2734 { 2735 perf_event__fprintf(event, NULL, stdout); 2736 return 0; 2737 } 2738 2739 static int 2740 process_bpf_events(struct perf_tool *tool __maybe_unused, 2741 union perf_event *event, 2742 struct perf_sample *sample, 2743 struct machine *machine) 2744 { 2745 if (machine__process_ksymbol(machine, event, sample) < 0) 2746 return -1; 2747 2748 return print_event(tool, event, sample, machine, sample->pid, 2749 sample->tid); 2750 } 2751 2752 static int process_text_poke_events(struct perf_tool *tool, 2753 union perf_event *event, 2754 struct perf_sample *sample, 2755 struct machine *machine) 2756 { 2757 if (perf_event__process_text_poke(tool, event, sample, machine) < 0) 2758 return -1; 2759 2760 return print_event(tool, event, sample, machine, sample->pid, 2761 sample->tid); 2762 } 2763 2764 static void sig_handler(int sig __maybe_unused) 2765 { 2766 session_done = 1; 2767 } 2768 2769 static void perf_script__fclose_per_event_dump(struct perf_script *script) 2770 { 2771 struct evlist *evlist = script->session->evlist; 2772 struct evsel *evsel; 2773 2774 evlist__for_each_entry(evlist, evsel) { 2775 if (!evsel->priv) 2776 break; 2777 evsel_script__delete(evsel->priv); 2778 evsel->priv = NULL; 2779 } 2780 } 2781 2782 static int perf_script__fopen_per_event_dump(struct perf_script *script) 2783 { 2784 struct evsel *evsel; 2785 2786 evlist__for_each_entry(script->session->evlist, evsel) { 2787 /* 2788 * Already setup? I.e. we may be called twice in cases like 2789 * Intel PT, one for the intel_pt// and dummy events, then 2790 * for the evsels synthesized from the auxtrace info. 2791 * 2792 * Ses perf_script__process_auxtrace_info. 2793 */ 2794 if (evsel->priv != NULL) 2795 continue; 2796 2797 evsel->priv = evsel_script__new(evsel, script->session->data); 2798 if (evsel->priv == NULL) 2799 goto out_err_fclose; 2800 } 2801 2802 return 0; 2803 2804 out_err_fclose: 2805 perf_script__fclose_per_event_dump(script); 2806 return -1; 2807 } 2808 2809 static int perf_script__setup_per_event_dump(struct perf_script *script) 2810 { 2811 struct evsel *evsel; 2812 2813 if (script->per_event_dump) 2814 return perf_script__fopen_per_event_dump(script); 2815 2816 es_stdout.fp = stdout; 2817 2818 evlist__for_each_entry(script->session->evlist, evsel) 2819 evsel->priv = &es_stdout; 2820 2821 return 0; 2822 } 2823 2824 static void perf_script__exit_per_event_dump_stats(struct perf_script *script) 2825 { 2826 struct evsel *evsel; 2827 2828 evlist__for_each_entry(script->session->evlist, evsel) { 2829 struct evsel_script *es = evsel->priv; 2830 2831 evsel_script__fprintf(es, stdout); 2832 evsel_script__delete(es); 2833 evsel->priv = NULL; 2834 } 2835 } 2836 2837 static void perf_script__exit(struct perf_script *script) 2838 { 2839 perf_thread_map__put(script->threads); 2840 perf_cpu_map__put(script->cpus); 2841 } 2842 2843 static int __cmd_script(struct perf_script *script) 2844 { 2845 int ret; 2846 2847 signal(SIGINT, sig_handler); 2848 2849 /* override event processing functions */ 2850 if (script->show_task_events) { 2851 script->tool.comm = process_comm_event; 2852 script->tool.fork = process_fork_event; 2853 script->tool.exit = process_exit_event; 2854 } 2855 if (script->show_mmap_events) { 2856 script->tool.mmap = process_mmap_event; 2857 script->tool.mmap2 = process_mmap2_event; 2858 } 2859 if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch)) 2860 script->tool.context_switch = process_switch_event; 2861 if (scripting_ops && scripting_ops->process_auxtrace_error) 2862 script->tool.auxtrace_error = process_auxtrace_error; 2863 if (script->show_namespace_events) 2864 script->tool.namespaces = process_namespaces_event; 2865 if (script->show_cgroup_events) 2866 script->tool.cgroup = process_cgroup_event; 2867 if (script->show_lost_events) 2868 script->tool.lost = process_lost_event; 2869 if (script->show_round_events) { 2870 script->tool.ordered_events = false; 2871 script->tool.finished_round = process_finished_round_event; 2872 } 2873 if (script->show_bpf_events) { 2874 script->tool.ksymbol = process_bpf_events; 2875 script->tool.bpf = process_bpf_events; 2876 } 2877 if (script->show_text_poke_events) { 2878 script->tool.ksymbol = process_bpf_events; 2879 script->tool.text_poke = process_text_poke_events; 2880 } 2881 2882 if (perf_script__setup_per_event_dump(script)) { 2883 pr_err("Couldn't create the per event dump files\n"); 2884 return -1; 2885 } 2886 2887 ret = perf_session__process_events(script->session); 2888 2889 if (script->per_event_dump) 2890 perf_script__exit_per_event_dump_stats(script); 2891 2892 if (debug_mode) 2893 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); 2894 2895 return ret; 2896 } 2897 2898 struct script_spec { 2899 struct list_head node; 2900 struct scripting_ops *ops; 2901 char spec[]; 2902 }; 2903 2904 static LIST_HEAD(script_specs); 2905 2906 static struct script_spec *script_spec__new(const char *spec, 2907 struct scripting_ops *ops) 2908 { 2909 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); 2910 2911 if (s != NULL) { 2912 strcpy(s->spec, spec); 2913 s->ops = ops; 2914 } 2915 2916 return s; 2917 } 2918 2919 static void script_spec__add(struct script_spec *s) 2920 { 2921 list_add_tail(&s->node, &script_specs); 2922 } 2923 2924 static struct script_spec *script_spec__find(const char *spec) 2925 { 2926 struct script_spec *s; 2927 2928 list_for_each_entry(s, &script_specs, node) 2929 if (strcasecmp(s->spec, spec) == 0) 2930 return s; 2931 return NULL; 2932 } 2933 2934 int script_spec_register(const char *spec, struct scripting_ops *ops) 2935 { 2936 struct script_spec *s; 2937 2938 s = script_spec__find(spec); 2939 if (s) 2940 return -1; 2941 2942 s = script_spec__new(spec, ops); 2943 if (!s) 2944 return -1; 2945 else 2946 script_spec__add(s); 2947 2948 return 0; 2949 } 2950 2951 static struct scripting_ops *script_spec__lookup(const char *spec) 2952 { 2953 struct script_spec *s = script_spec__find(spec); 2954 if (!s) 2955 return NULL; 2956 2957 return s->ops; 2958 } 2959 2960 static void list_available_languages(void) 2961 { 2962 struct script_spec *s; 2963 2964 fprintf(stderr, "\n"); 2965 fprintf(stderr, "Scripting language extensions (used in " 2966 "perf script -s [spec:]script.[spec]):\n\n"); 2967 2968 list_for_each_entry(s, &script_specs, node) 2969 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); 2970 2971 fprintf(stderr, "\n"); 2972 } 2973 2974 /* Find script file relative to current directory or exec path */ 2975 static char *find_script(const char *script) 2976 { 2977 char path[PATH_MAX]; 2978 2979 if (!scripting_ops) { 2980 const char *ext = strrchr(script, '.'); 2981 2982 if (!ext) 2983 return NULL; 2984 2985 scripting_ops = script_spec__lookup(++ext); 2986 if (!scripting_ops) 2987 return NULL; 2988 } 2989 2990 if (access(script, R_OK)) { 2991 char *exec_path = get_argv_exec_path(); 2992 2993 if (!exec_path) 2994 return NULL; 2995 snprintf(path, sizeof(path), "%s/scripts/%s/%s", 2996 exec_path, scripting_ops->dirname, script); 2997 free(exec_path); 2998 script = path; 2999 if (access(script, R_OK)) 3000 return NULL; 3001 } 3002 return strdup(script); 3003 } 3004 3005 static int parse_scriptname(const struct option *opt __maybe_unused, 3006 const char *str, int unset __maybe_unused) 3007 { 3008 char spec[PATH_MAX]; 3009 const char *script, *ext; 3010 int len; 3011 3012 if (strcmp(str, "lang") == 0) { 3013 list_available_languages(); 3014 exit(0); 3015 } 3016 3017 script = strchr(str, ':'); 3018 if (script) { 3019 len = script - str; 3020 if (len >= PATH_MAX) { 3021 fprintf(stderr, "invalid language specifier"); 3022 return -1; 3023 } 3024 strncpy(spec, str, len); 3025 spec[len] = '\0'; 3026 scripting_ops = script_spec__lookup(spec); 3027 if (!scripting_ops) { 3028 fprintf(stderr, "invalid language specifier"); 3029 return -1; 3030 } 3031 script++; 3032 } else { 3033 script = str; 3034 ext = strrchr(script, '.'); 3035 if (!ext) { 3036 fprintf(stderr, "invalid script extension"); 3037 return -1; 3038 } 3039 scripting_ops = script_spec__lookup(++ext); 3040 if (!scripting_ops) { 3041 fprintf(stderr, "invalid script extension"); 3042 return -1; 3043 } 3044 } 3045 3046 script_name = find_script(script); 3047 if (!script_name) 3048 script_name = strdup(script); 3049 3050 return 0; 3051 } 3052 3053 static int parse_output_fields(const struct option *opt __maybe_unused, 3054 const char *arg, int unset __maybe_unused) 3055 { 3056 char *tok, *strtok_saveptr = NULL; 3057 int i, imax = ARRAY_SIZE(all_output_options); 3058 int j; 3059 int rc = 0; 3060 char *str = strdup(arg); 3061 int type = -1; 3062 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT; 3063 3064 if (!str) 3065 return -ENOMEM; 3066 3067 /* first word can state for which event type the user is specifying 3068 * the fields. If no type exists, the specified fields apply to all 3069 * event types found in the file minus the invalid fields for a type. 3070 */ 3071 tok = strchr(str, ':'); 3072 if (tok) { 3073 *tok = '\0'; 3074 tok++; 3075 if (!strcmp(str, "hw")) 3076 type = PERF_TYPE_HARDWARE; 3077 else if (!strcmp(str, "sw")) 3078 type = PERF_TYPE_SOFTWARE; 3079 else if (!strcmp(str, "trace")) 3080 type = PERF_TYPE_TRACEPOINT; 3081 else if (!strcmp(str, "raw")) 3082 type = PERF_TYPE_RAW; 3083 else if (!strcmp(str, "break")) 3084 type = PERF_TYPE_BREAKPOINT; 3085 else if (!strcmp(str, "synth")) 3086 type = OUTPUT_TYPE_SYNTH; 3087 else { 3088 fprintf(stderr, "Invalid event type in field string.\n"); 3089 rc = -EINVAL; 3090 goto out; 3091 } 3092 3093 if (output[type].user_set) 3094 pr_warning("Overriding previous field request for %s events.\n", 3095 event_type(type)); 3096 3097 /* Don't override defaults for +- */ 3098 if (strchr(tok, '+') || strchr(tok, '-')) 3099 goto parse; 3100 3101 output[type].fields = 0; 3102 output[type].user_set = true; 3103 output[type].wildcard_set = false; 3104 3105 } else { 3106 tok = str; 3107 if (strlen(str) == 0) { 3108 fprintf(stderr, 3109 "Cannot set fields to 'none' for all event types.\n"); 3110 rc = -EINVAL; 3111 goto out; 3112 } 3113 3114 /* Don't override defaults for +- */ 3115 if (strchr(str, '+') || strchr(str, '-')) 3116 goto parse; 3117 3118 if (output_set_by_user()) 3119 pr_warning("Overriding previous field request for all events.\n"); 3120 3121 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 3122 output[j].fields = 0; 3123 output[j].user_set = true; 3124 output[j].wildcard_set = true; 3125 } 3126 } 3127 3128 parse: 3129 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) { 3130 if (*tok == '+') { 3131 if (change == SET) 3132 goto out_badmix; 3133 change = ADD; 3134 tok++; 3135 } else if (*tok == '-') { 3136 if (change == SET) 3137 goto out_badmix; 3138 change = REMOVE; 3139 tok++; 3140 } else { 3141 if (change != SET && change != DEFAULT) 3142 goto out_badmix; 3143 change = SET; 3144 } 3145 3146 for (i = 0; i < imax; ++i) { 3147 if (strcmp(tok, all_output_options[i].str) == 0) 3148 break; 3149 } 3150 if (i == imax && strcmp(tok, "flags") == 0) { 3151 print_flags = change != REMOVE; 3152 continue; 3153 } 3154 if (i == imax) { 3155 fprintf(stderr, "Invalid field requested.\n"); 3156 rc = -EINVAL; 3157 goto out; 3158 } 3159 #ifndef HAVE_LIBCAPSTONE_SUPPORT 3160 if (change != REMOVE && strcmp(tok, "disasm") == 0) { 3161 fprintf(stderr, "Field \"disasm\" requires perf to be built with libcapstone support.\n"); 3162 rc = -EINVAL; 3163 goto out; 3164 } 3165 #endif 3166 3167 if (type == -1) { 3168 /* add user option to all events types for 3169 * which it is valid 3170 */ 3171 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 3172 if (output[j].invalid_fields & all_output_options[i].field) { 3173 pr_warning("\'%s\' not valid for %s events. Ignoring.\n", 3174 all_output_options[i].str, event_type(j)); 3175 } else { 3176 if (change == REMOVE) { 3177 output[j].fields &= ~all_output_options[i].field; 3178 output[j].user_set_fields &= ~all_output_options[i].field; 3179 output[j].user_unset_fields |= all_output_options[i].field; 3180 } else { 3181 output[j].fields |= all_output_options[i].field; 3182 output[j].user_set_fields |= all_output_options[i].field; 3183 output[j].user_unset_fields &= ~all_output_options[i].field; 3184 } 3185 output[j].user_set = true; 3186 output[j].wildcard_set = true; 3187 } 3188 } 3189 } else { 3190 if (output[type].invalid_fields & all_output_options[i].field) { 3191 fprintf(stderr, "\'%s\' not valid for %s events.\n", 3192 all_output_options[i].str, event_type(type)); 3193 3194 rc = -EINVAL; 3195 goto out; 3196 } 3197 if (change == REMOVE) 3198 output[type].fields &= ~all_output_options[i].field; 3199 else 3200 output[type].fields |= all_output_options[i].field; 3201 output[type].user_set = true; 3202 output[type].wildcard_set = true; 3203 } 3204 } 3205 3206 if (type >= 0) { 3207 if (output[type].fields == 0) { 3208 pr_debug("No fields requested for %s type. " 3209 "Events will not be displayed.\n", event_type(type)); 3210 } 3211 } 3212 goto out; 3213 3214 out_badmix: 3215 fprintf(stderr, "Cannot mix +-field with overridden fields\n"); 3216 rc = -EINVAL; 3217 out: 3218 free(str); 3219 return rc; 3220 } 3221 3222 #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \ 3223 while ((lang_dirent = readdir(scripts_dir)) != NULL) \ 3224 if ((lang_dirent->d_type == DT_DIR || \ 3225 (lang_dirent->d_type == DT_UNKNOWN && \ 3226 is_directory(scripts_path, lang_dirent))) && \ 3227 (strcmp(lang_dirent->d_name, ".")) && \ 3228 (strcmp(lang_dirent->d_name, ".."))) 3229 3230 #define for_each_script(lang_path, lang_dir, script_dirent) \ 3231 while ((script_dirent = readdir(lang_dir)) != NULL) \ 3232 if (script_dirent->d_type != DT_DIR && \ 3233 (script_dirent->d_type != DT_UNKNOWN || \ 3234 !is_directory(lang_path, script_dirent))) 3235 3236 3237 #define RECORD_SUFFIX "-record" 3238 #define REPORT_SUFFIX "-report" 3239 3240 struct script_desc { 3241 struct list_head node; 3242 char *name; 3243 char *half_liner; 3244 char *args; 3245 }; 3246 3247 static LIST_HEAD(script_descs); 3248 3249 static struct script_desc *script_desc__new(const char *name) 3250 { 3251 struct script_desc *s = zalloc(sizeof(*s)); 3252 3253 if (s != NULL && name) 3254 s->name = strdup(name); 3255 3256 return s; 3257 } 3258 3259 static void script_desc__delete(struct script_desc *s) 3260 { 3261 zfree(&s->name); 3262 zfree(&s->half_liner); 3263 zfree(&s->args); 3264 free(s); 3265 } 3266 3267 static void script_desc__add(struct script_desc *s) 3268 { 3269 list_add_tail(&s->node, &script_descs); 3270 } 3271 3272 static struct script_desc *script_desc__find(const char *name) 3273 { 3274 struct script_desc *s; 3275 3276 list_for_each_entry(s, &script_descs, node) 3277 if (strcasecmp(s->name, name) == 0) 3278 return s; 3279 return NULL; 3280 } 3281 3282 static struct script_desc *script_desc__findnew(const char *name) 3283 { 3284 struct script_desc *s = script_desc__find(name); 3285 3286 if (s) 3287 return s; 3288 3289 s = script_desc__new(name); 3290 if (!s) 3291 return NULL; 3292 3293 script_desc__add(s); 3294 3295 return s; 3296 } 3297 3298 static const char *ends_with(const char *str, const char *suffix) 3299 { 3300 size_t suffix_len = strlen(suffix); 3301 const char *p = str; 3302 3303 if (strlen(str) > suffix_len) { 3304 p = str + strlen(str) - suffix_len; 3305 if (!strncmp(p, suffix, suffix_len)) 3306 return p; 3307 } 3308 3309 return NULL; 3310 } 3311 3312 static int read_script_info(struct script_desc *desc, const char *filename) 3313 { 3314 char line[BUFSIZ], *p; 3315 FILE *fp; 3316 3317 fp = fopen(filename, "r"); 3318 if (!fp) 3319 return -1; 3320 3321 while (fgets(line, sizeof(line), fp)) { 3322 p = skip_spaces(line); 3323 if (strlen(p) == 0) 3324 continue; 3325 if (*p != '#') 3326 continue; 3327 p++; 3328 if (strlen(p) && *p == '!') 3329 continue; 3330 3331 p = skip_spaces(p); 3332 if (strlen(p) && p[strlen(p) - 1] == '\n') 3333 p[strlen(p) - 1] = '\0'; 3334 3335 if (!strncmp(p, "description:", strlen("description:"))) { 3336 p += strlen("description:"); 3337 desc->half_liner = strdup(skip_spaces(p)); 3338 continue; 3339 } 3340 3341 if (!strncmp(p, "args:", strlen("args:"))) { 3342 p += strlen("args:"); 3343 desc->args = strdup(skip_spaces(p)); 3344 continue; 3345 } 3346 } 3347 3348 fclose(fp); 3349 3350 return 0; 3351 } 3352 3353 static char *get_script_root(struct dirent *script_dirent, const char *suffix) 3354 { 3355 char *script_root, *str; 3356 3357 script_root = strdup(script_dirent->d_name); 3358 if (!script_root) 3359 return NULL; 3360 3361 str = (char *)ends_with(script_root, suffix); 3362 if (!str) { 3363 free(script_root); 3364 return NULL; 3365 } 3366 3367 *str = '\0'; 3368 return script_root; 3369 } 3370 3371 static int list_available_scripts(const struct option *opt __maybe_unused, 3372 const char *s __maybe_unused, 3373 int unset __maybe_unused) 3374 { 3375 struct dirent *script_dirent, *lang_dirent; 3376 char *buf, *scripts_path, *script_path, *lang_path, *first_half; 3377 DIR *scripts_dir, *lang_dir; 3378 struct script_desc *desc; 3379 char *script_root; 3380 3381 buf = malloc(3 * MAXPATHLEN + BUFSIZ); 3382 if (!buf) { 3383 pr_err("malloc failed\n"); 3384 exit(-1); 3385 } 3386 scripts_path = buf; 3387 script_path = buf + MAXPATHLEN; 3388 lang_path = buf + 2 * MAXPATHLEN; 3389 first_half = buf + 3 * MAXPATHLEN; 3390 3391 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3392 3393 scripts_dir = opendir(scripts_path); 3394 if (!scripts_dir) { 3395 fprintf(stdout, 3396 "open(%s) failed.\n" 3397 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n", 3398 scripts_path); 3399 free(buf); 3400 exit(-1); 3401 } 3402 3403 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3404 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3405 lang_dirent->d_name); 3406 lang_dir = opendir(lang_path); 3407 if (!lang_dir) 3408 continue; 3409 3410 for_each_script(lang_path, lang_dir, script_dirent) { 3411 script_root = get_script_root(script_dirent, REPORT_SUFFIX); 3412 if (script_root) { 3413 desc = script_desc__findnew(script_root); 3414 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3415 lang_path, script_dirent->d_name); 3416 read_script_info(desc, script_path); 3417 free(script_root); 3418 } 3419 } 3420 } 3421 3422 fprintf(stdout, "List of available trace scripts:\n"); 3423 list_for_each_entry(desc, &script_descs, node) { 3424 sprintf(first_half, "%s %s", desc->name, 3425 desc->args ? desc->args : ""); 3426 fprintf(stdout, " %-36s %s\n", first_half, 3427 desc->half_liner ? desc->half_liner : ""); 3428 } 3429 3430 free(buf); 3431 exit(0); 3432 } 3433 3434 static int add_dlarg(const struct option *opt __maybe_unused, 3435 const char *s, int unset __maybe_unused) 3436 { 3437 char *arg = strdup(s); 3438 void *a; 3439 3440 if (!arg) 3441 return -1; 3442 3443 a = realloc(dlargv, sizeof(dlargv[0]) * (dlargc + 1)); 3444 if (!a) { 3445 free(arg); 3446 return -1; 3447 } 3448 3449 dlargv = a; 3450 dlargv[dlargc++] = arg; 3451 3452 return 0; 3453 } 3454 3455 static void free_dlarg(void) 3456 { 3457 while (dlargc--) 3458 free(dlargv[dlargc]); 3459 free(dlargv); 3460 } 3461 3462 /* 3463 * Some scripts specify the required events in their "xxx-record" file, 3464 * this function will check if the events in perf.data match those 3465 * mentioned in the "xxx-record". 3466 * 3467 * Fixme: All existing "xxx-record" are all in good formats "-e event ", 3468 * which is covered well now. And new parsing code should be added to 3469 * cover the future complex formats like event groups etc. 3470 */ 3471 static int check_ev_match(char *dir_name, char *scriptname, 3472 struct perf_session *session) 3473 { 3474 char filename[MAXPATHLEN], evname[128]; 3475 char line[BUFSIZ], *p; 3476 struct evsel *pos; 3477 int match, len; 3478 FILE *fp; 3479 3480 scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname); 3481 3482 fp = fopen(filename, "r"); 3483 if (!fp) 3484 return -1; 3485 3486 while (fgets(line, sizeof(line), fp)) { 3487 p = skip_spaces(line); 3488 if (*p == '#') 3489 continue; 3490 3491 while (strlen(p)) { 3492 p = strstr(p, "-e"); 3493 if (!p) 3494 break; 3495 3496 p += 2; 3497 p = skip_spaces(p); 3498 len = strcspn(p, " \t"); 3499 if (!len) 3500 break; 3501 3502 snprintf(evname, len + 1, "%s", p); 3503 3504 match = 0; 3505 evlist__for_each_entry(session->evlist, pos) { 3506 if (evsel__name_is(pos, evname)) { 3507 match = 1; 3508 break; 3509 } 3510 } 3511 3512 if (!match) { 3513 fclose(fp); 3514 return -1; 3515 } 3516 } 3517 } 3518 3519 fclose(fp); 3520 return 0; 3521 } 3522 3523 /* 3524 * Return -1 if none is found, otherwise the actual scripts number. 3525 * 3526 * Currently the only user of this function is the script browser, which 3527 * will list all statically runnable scripts, select one, execute it and 3528 * show the output in a perf browser. 3529 */ 3530 int find_scripts(char **scripts_array, char **scripts_path_array, int num, 3531 int pathlen) 3532 { 3533 struct dirent *script_dirent, *lang_dirent; 3534 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; 3535 DIR *scripts_dir, *lang_dir; 3536 struct perf_session *session; 3537 struct perf_data data = { 3538 .path = input_name, 3539 .mode = PERF_DATA_MODE_READ, 3540 }; 3541 char *temp; 3542 int i = 0; 3543 3544 session = perf_session__new(&data, NULL); 3545 if (IS_ERR(session)) 3546 return PTR_ERR(session); 3547 3548 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3549 3550 scripts_dir = opendir(scripts_path); 3551 if (!scripts_dir) { 3552 perf_session__delete(session); 3553 return -1; 3554 } 3555 3556 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3557 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, 3558 lang_dirent->d_name); 3559 #ifndef HAVE_LIBPERL_SUPPORT 3560 if (strstr(lang_path, "perl")) 3561 continue; 3562 #endif 3563 #ifndef HAVE_LIBPYTHON_SUPPORT 3564 if (strstr(lang_path, "python")) 3565 continue; 3566 #endif 3567 3568 lang_dir = opendir(lang_path); 3569 if (!lang_dir) 3570 continue; 3571 3572 for_each_script(lang_path, lang_dir, script_dirent) { 3573 /* Skip those real time scripts: xxxtop.p[yl] */ 3574 if (strstr(script_dirent->d_name, "top.")) 3575 continue; 3576 if (i >= num) 3577 break; 3578 snprintf(scripts_path_array[i], pathlen, "%s/%s", 3579 lang_path, 3580 script_dirent->d_name); 3581 temp = strchr(script_dirent->d_name, '.'); 3582 snprintf(scripts_array[i], 3583 (temp - script_dirent->d_name) + 1, 3584 "%s", script_dirent->d_name); 3585 3586 if (check_ev_match(lang_path, 3587 scripts_array[i], session)) 3588 continue; 3589 3590 i++; 3591 } 3592 closedir(lang_dir); 3593 } 3594 3595 closedir(scripts_dir); 3596 perf_session__delete(session); 3597 return i; 3598 } 3599 3600 static char *get_script_path(const char *script_root, const char *suffix) 3601 { 3602 struct dirent *script_dirent, *lang_dirent; 3603 char scripts_path[MAXPATHLEN]; 3604 char script_path[MAXPATHLEN]; 3605 DIR *scripts_dir, *lang_dir; 3606 char lang_path[MAXPATHLEN]; 3607 char *__script_root; 3608 3609 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3610 3611 scripts_dir = opendir(scripts_path); 3612 if (!scripts_dir) 3613 return NULL; 3614 3615 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3616 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3617 lang_dirent->d_name); 3618 lang_dir = opendir(lang_path); 3619 if (!lang_dir) 3620 continue; 3621 3622 for_each_script(lang_path, lang_dir, script_dirent) { 3623 __script_root = get_script_root(script_dirent, suffix); 3624 if (__script_root && !strcmp(script_root, __script_root)) { 3625 free(__script_root); 3626 closedir(scripts_dir); 3627 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3628 lang_path, script_dirent->d_name); 3629 closedir(lang_dir); 3630 return strdup(script_path); 3631 } 3632 free(__script_root); 3633 } 3634 closedir(lang_dir); 3635 } 3636 closedir(scripts_dir); 3637 3638 return NULL; 3639 } 3640 3641 static bool is_top_script(const char *script_path) 3642 { 3643 return ends_with(script_path, "top") != NULL; 3644 } 3645 3646 static int has_required_arg(char *script_path) 3647 { 3648 struct script_desc *desc; 3649 int n_args = 0; 3650 char *p; 3651 3652 desc = script_desc__new(NULL); 3653 3654 if (read_script_info(desc, script_path)) 3655 goto out; 3656 3657 if (!desc->args) 3658 goto out; 3659 3660 for (p = desc->args; *p; p++) 3661 if (*p == '<') 3662 n_args++; 3663 out: 3664 script_desc__delete(desc); 3665 3666 return n_args; 3667 } 3668 3669 static int have_cmd(int argc, const char **argv) 3670 { 3671 char **__argv = malloc(sizeof(const char *) * argc); 3672 3673 if (!__argv) { 3674 pr_err("malloc failed\n"); 3675 return -1; 3676 } 3677 3678 memcpy(__argv, argv, sizeof(const char *) * argc); 3679 argc = parse_options(argc, (const char **)__argv, record_options, 3680 NULL, PARSE_OPT_STOP_AT_NON_OPTION); 3681 free(__argv); 3682 3683 system_wide = (argc == 0); 3684 3685 return 0; 3686 } 3687 3688 static void script__setup_sample_type(struct perf_script *script) 3689 { 3690 struct perf_session *session = script->session; 3691 u64 sample_type = evlist__combined_sample_type(session->evlist); 3692 3693 callchain_param_setup(sample_type, perf_env__arch(session->machines.host.env)); 3694 3695 if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) { 3696 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n" 3697 "Please apply --call-graph lbr when recording.\n"); 3698 script->stitch_lbr = false; 3699 } 3700 } 3701 3702 static int process_stat_round_event(struct perf_session *session, 3703 union perf_event *event) 3704 { 3705 struct perf_record_stat_round *round = &event->stat_round; 3706 struct evsel *counter; 3707 3708 evlist__for_each_entry(session->evlist, counter) { 3709 perf_stat_process_counter(&stat_config, counter); 3710 process_stat(counter, round->time); 3711 } 3712 3713 process_stat_interval(round->time); 3714 return 0; 3715 } 3716 3717 static int process_stat_config_event(struct perf_session *session __maybe_unused, 3718 union perf_event *event) 3719 { 3720 perf_event__read_stat_config(&stat_config, &event->stat_config); 3721 3722 /* 3723 * Aggregation modes are not used since post-processing scripts are 3724 * supposed to take care of such requirements 3725 */ 3726 stat_config.aggr_mode = AGGR_NONE; 3727 3728 return 0; 3729 } 3730 3731 static int set_maps(struct perf_script *script) 3732 { 3733 struct evlist *evlist = script->session->evlist; 3734 3735 if (!script->cpus || !script->threads) 3736 return 0; 3737 3738 if (WARN_ONCE(script->allocated, "stats double allocation\n")) 3739 return -EINVAL; 3740 3741 perf_evlist__set_maps(&evlist->core, script->cpus, script->threads); 3742 3743 if (evlist__alloc_stats(&stat_config, evlist, /*alloc_raw=*/true)) 3744 return -ENOMEM; 3745 3746 script->allocated = true; 3747 return 0; 3748 } 3749 3750 static 3751 int process_thread_map_event(struct perf_session *session, 3752 union perf_event *event) 3753 { 3754 struct perf_tool *tool = session->tool; 3755 struct perf_script *script = container_of(tool, struct perf_script, tool); 3756 3757 if (dump_trace) 3758 perf_event__fprintf_thread_map(event, stdout); 3759 3760 if (script->threads) { 3761 pr_warning("Extra thread map event, ignoring.\n"); 3762 return 0; 3763 } 3764 3765 script->threads = thread_map__new_event(&event->thread_map); 3766 if (!script->threads) 3767 return -ENOMEM; 3768 3769 return set_maps(script); 3770 } 3771 3772 static 3773 int process_cpu_map_event(struct perf_session *session, 3774 union perf_event *event) 3775 { 3776 struct perf_tool *tool = session->tool; 3777 struct perf_script *script = container_of(tool, struct perf_script, tool); 3778 3779 if (dump_trace) 3780 perf_event__fprintf_cpu_map(event, stdout); 3781 3782 if (script->cpus) { 3783 pr_warning("Extra cpu map event, ignoring.\n"); 3784 return 0; 3785 } 3786 3787 script->cpus = cpu_map__new_data(&event->cpu_map.data); 3788 if (!script->cpus) 3789 return -ENOMEM; 3790 3791 return set_maps(script); 3792 } 3793 3794 static int process_feature_event(struct perf_session *session, 3795 union perf_event *event) 3796 { 3797 if (event->feat.feat_id < HEADER_LAST_FEATURE) 3798 return perf_event__process_feature(session, event); 3799 return 0; 3800 } 3801 3802 #ifdef HAVE_AUXTRACE_SUPPORT 3803 static int perf_script__process_auxtrace_info(struct perf_session *session, 3804 union perf_event *event) 3805 { 3806 struct perf_tool *tool = session->tool; 3807 3808 int ret = perf_event__process_auxtrace_info(session, event); 3809 3810 if (ret == 0) { 3811 struct perf_script *script = container_of(tool, struct perf_script, tool); 3812 3813 ret = perf_script__setup_per_event_dump(script); 3814 } 3815 3816 return ret; 3817 } 3818 #else 3819 #define perf_script__process_auxtrace_info 0 3820 #endif 3821 3822 static int parse_insn_trace(const struct option *opt __maybe_unused, 3823 const char *str, int unset __maybe_unused) 3824 { 3825 const char *fields = "+insn,-event,-period"; 3826 int ret; 3827 3828 if (str) { 3829 if (strcmp(str, "disasm") == 0) 3830 fields = "+disasm,-event,-period"; 3831 else if (strlen(str) != 0 && strcmp(str, "raw") != 0) { 3832 fprintf(stderr, "Only accept raw|disasm\n"); 3833 return -EINVAL; 3834 } 3835 } 3836 3837 ret = parse_output_fields(NULL, fields, 0); 3838 if (ret < 0) 3839 return ret; 3840 3841 itrace_parse_synth_opts(opt, "i0nse", 0); 3842 symbol_conf.nanosecs = true; 3843 return 0; 3844 } 3845 3846 static int parse_xed(const struct option *opt __maybe_unused, 3847 const char *str __maybe_unused, 3848 int unset __maybe_unused) 3849 { 3850 if (isatty(1)) 3851 force_pager("xed -F insn: -A -64 | less"); 3852 else 3853 force_pager("xed -F insn: -A -64"); 3854 return 0; 3855 } 3856 3857 static int parse_call_trace(const struct option *opt __maybe_unused, 3858 const char *str __maybe_unused, 3859 int unset __maybe_unused) 3860 { 3861 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0); 3862 itrace_parse_synth_opts(opt, "cewp", 0); 3863 symbol_conf.nanosecs = true; 3864 symbol_conf.pad_output_len_dso = 50; 3865 return 0; 3866 } 3867 3868 static int parse_callret_trace(const struct option *opt __maybe_unused, 3869 const char *str __maybe_unused, 3870 int unset __maybe_unused) 3871 { 3872 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0); 3873 itrace_parse_synth_opts(opt, "crewp", 0); 3874 symbol_conf.nanosecs = true; 3875 return 0; 3876 } 3877 3878 int cmd_script(int argc, const char **argv) 3879 { 3880 bool show_full_info = false; 3881 bool header = false; 3882 bool header_only = false; 3883 bool script_started = false; 3884 bool unsorted_dump = false; 3885 char *rec_script_path = NULL; 3886 char *rep_script_path = NULL; 3887 struct perf_session *session; 3888 struct itrace_synth_opts itrace_synth_opts = { 3889 .set = false, 3890 .default_no_sample = true, 3891 }; 3892 struct utsname uts; 3893 char *script_path = NULL; 3894 const char *dlfilter_file = NULL; 3895 const char **__argv; 3896 int i, j, err = 0; 3897 struct perf_script script = { 3898 .tool = { 3899 .sample = process_sample_event, 3900 .mmap = perf_event__process_mmap, 3901 .mmap2 = perf_event__process_mmap2, 3902 .comm = perf_event__process_comm, 3903 .namespaces = perf_event__process_namespaces, 3904 .cgroup = perf_event__process_cgroup, 3905 .exit = perf_event__process_exit, 3906 .fork = perf_event__process_fork, 3907 .attr = process_attr, 3908 .event_update = perf_event__process_event_update, 3909 #ifdef HAVE_LIBTRACEEVENT 3910 .tracing_data = perf_event__process_tracing_data, 3911 #endif 3912 .feature = process_feature_event, 3913 .build_id = perf_event__process_build_id, 3914 .id_index = perf_event__process_id_index, 3915 .auxtrace_info = perf_script__process_auxtrace_info, 3916 .auxtrace = perf_event__process_auxtrace, 3917 .auxtrace_error = perf_event__process_auxtrace_error, 3918 .stat = perf_event__process_stat_event, 3919 .stat_round = process_stat_round_event, 3920 .stat_config = process_stat_config_event, 3921 .thread_map = process_thread_map_event, 3922 .cpu_map = process_cpu_map_event, 3923 .throttle = process_throttle_event, 3924 .unthrottle = process_throttle_event, 3925 .ordered_events = true, 3926 .ordering_requires_timestamps = true, 3927 }, 3928 }; 3929 struct perf_data data = { 3930 .mode = PERF_DATA_MODE_READ, 3931 }; 3932 const struct option options[] = { 3933 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 3934 "dump raw trace in ASCII"), 3935 OPT_BOOLEAN(0, "dump-unsorted-raw-trace", &unsorted_dump, 3936 "dump unsorted raw trace in ASCII"), 3937 OPT_INCR('v', "verbose", &verbose, 3938 "be more verbose (show symbol address, etc)"), 3939 OPT_BOOLEAN('L', "Latency", &latency_format, 3940 "show latency attributes (irqs/preemption disabled, etc)"), 3941 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", 3942 list_available_scripts), 3943 OPT_CALLBACK_NOOPT(0, "list-dlfilters", NULL, NULL, "list available dlfilters", 3944 list_available_dlfilters), 3945 OPT_CALLBACK('s', "script", NULL, "name", 3946 "script file name (lang:script name, script name, or *)", 3947 parse_scriptname), 3948 OPT_STRING('g', "gen-script", &generate_script_lang, "lang", 3949 "generate perf-script.xx script in specified language"), 3950 OPT_STRING(0, "dlfilter", &dlfilter_file, "file", "filter .so file name"), 3951 OPT_CALLBACK(0, "dlarg", NULL, "argument", "filter argument", 3952 add_dlarg), 3953 OPT_STRING('i', "input", &input_name, "file", "input file name"), 3954 OPT_BOOLEAN('d', "debug-mode", &debug_mode, 3955 "do various checks like samples ordering and lost events"), 3956 OPT_BOOLEAN(0, "header", &header, "Show data header."), 3957 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."), 3958 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 3959 "file", "vmlinux pathname"), 3960 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 3961 "file", "kallsyms pathname"), 3962 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, 3963 "When printing symbols do not display call chain"), 3964 OPT_CALLBACK(0, "symfs", NULL, "directory", 3965 "Look for files with symbols relative to this directory", 3966 symbol__config_symfs), 3967 OPT_CALLBACK('F', "fields", NULL, "str", 3968 "comma separated output fields prepend with 'type:'. " 3969 "+field to add and -field to remove." 3970 "Valid types: hw,sw,trace,raw,synth. " 3971 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,dsoff," 3972 "addr,symoff,srcline,period,iregs,uregs,brstack," 3973 "brstacksym,flags,data_src,weight,bpf-output,brstackinsn," 3974 "brstackinsnlen,brstackdisasm,brstackoff,callindent,insn,disasm,insnlen,synth," 3975 "phys_addr,metric,misc,srccode,ipc,tod,data_page_size," 3976 "code_page_size,ins_lat,machine_pid,vcpu,cgroup,retire_lat", 3977 parse_output_fields), 3978 OPT_BOOLEAN('a', "all-cpus", &system_wide, 3979 "system-wide collection from all CPUs"), 3980 OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", 3981 "only consider symbols in these DSOs"), 3982 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 3983 "only consider these symbols"), 3984 OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range, 3985 "Use with -S to list traced records within address range"), 3986 OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, "raw|disasm", 3987 "Decode instructions from itrace", parse_insn_trace), 3988 OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL, 3989 "Run xed disassembler on output", parse_xed), 3990 OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL, 3991 "Decode calls from itrace", parse_call_trace), 3992 OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL, 3993 "Decode calls and returns from itrace", parse_callret_trace), 3994 OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]", 3995 "Only print symbols and callees with --call-trace/--call-ret-trace"), 3996 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]", 3997 "Stop display of callgraph at these symbols"), 3998 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), 3999 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 4000 "only display events for these comms"), 4001 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 4002 "only consider symbols in these pids"), 4003 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 4004 "only consider symbols in these tids"), 4005 OPT_UINTEGER(0, "max-stack", &scripting_max_stack, 4006 "Set the maximum stack depth when parsing the callchain, " 4007 "anything beyond the specified depth will be ignored. " 4008 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 4009 OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"), 4010 OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"), 4011 OPT_BOOLEAN('I', "show-info", &show_full_info, 4012 "display extended information from perf.data file"), 4013 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, 4014 "Show the path of [kernel.kallsyms]"), 4015 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, 4016 "Show the fork/comm/exit events"), 4017 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, 4018 "Show the mmap events"), 4019 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events, 4020 "Show context switch events (if recorded)"), 4021 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events, 4022 "Show namespace events (if recorded)"), 4023 OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events, 4024 "Show cgroup events (if recorded)"), 4025 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events, 4026 "Show lost events (if recorded)"), 4027 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events, 4028 "Show round events (if recorded)"), 4029 OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events, 4030 "Show bpf related events (if recorded)"), 4031 OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events, 4032 "Show text poke related events (if recorded)"), 4033 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump, 4034 "Dump trace output to files named by the monitored events"), 4035 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 4036 OPT_INTEGER(0, "max-blocks", &max_blocks, 4037 "Maximum number of code blocks to dump with brstackinsn"), 4038 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, 4039 "Use 9 decimal places when displaying time"), 4040 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 4041 "Instruction Tracing options\n" ITRACE_HELP, 4042 itrace_parse_synth_opts), 4043 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 4044 "Show full source file name path for source lines"), 4045 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 4046 "Enable symbol demangling"), 4047 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 4048 "Enable kernel symbol demangling"), 4049 OPT_STRING(0, "time", &script.time_str, "str", 4050 "Time span of interest (start,stop)"), 4051 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 4052 "Show inline function"), 4053 OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory", 4054 "guest mount directory under which every guest os" 4055 " instance has a subdir"), 4056 OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name, 4057 "file", "file saving guest os vmlinux"), 4058 OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms, 4059 "file", "file saving guest os /proc/kallsyms"), 4060 OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules, 4061 "file", "file saving guest os /proc/modules"), 4062 OPT_BOOLEAN(0, "guest-code", &symbol_conf.guest_code, 4063 "Guest code can be found in hypervisor process"), 4064 OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr, 4065 "Enable LBR callgraph stitching approach"), 4066 OPTS_EVSWITCH(&script.evswitch), 4067 OPT_END() 4068 }; 4069 const char * const script_subcommands[] = { "record", "report", NULL }; 4070 const char *script_usage[] = { 4071 "perf script [<options>]", 4072 "perf script [<options>] record <script> [<record-options>] <command>", 4073 "perf script [<options>] report <script> [script-args]", 4074 "perf script [<options>] <script> [<record-options>] <command>", 4075 "perf script [<options>] <top-script> [script-args]", 4076 NULL 4077 }; 4078 4079 perf_set_singlethreaded(); 4080 4081 setup_scripting(); 4082 4083 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage, 4084 PARSE_OPT_STOP_AT_NON_OPTION); 4085 4086 if (symbol_conf.guestmount || 4087 symbol_conf.default_guest_vmlinux_name || 4088 symbol_conf.default_guest_kallsyms || 4089 symbol_conf.default_guest_modules || 4090 symbol_conf.guest_code) { 4091 /* 4092 * Enable guest sample processing. 4093 */ 4094 perf_guest = true; 4095 } 4096 4097 data.path = input_name; 4098 data.force = symbol_conf.force; 4099 4100 if (unsorted_dump) { 4101 dump_trace = true; 4102 script.tool.ordered_events = false; 4103 } 4104 4105 if (symbol__validate_sym_arguments()) 4106 return -1; 4107 4108 if (argc > 1 && strlen(argv[0]) > 2 && strstarts("record", argv[0])) { 4109 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); 4110 if (!rec_script_path) 4111 return cmd_record(argc, argv); 4112 } 4113 4114 if (argc > 1 && strlen(argv[0]) > 2 && strstarts("report", argv[0])) { 4115 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); 4116 if (!rep_script_path) { 4117 fprintf(stderr, 4118 "Please specify a valid report script" 4119 "(see 'perf script -l' for listing)\n"); 4120 return -1; 4121 } 4122 } 4123 4124 if (reltime && deltatime) { 4125 fprintf(stderr, 4126 "reltime and deltatime - the two don't get along well. " 4127 "Please limit to --reltime or --deltatime.\n"); 4128 return -1; 4129 } 4130 4131 if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) && 4132 itrace_synth_opts.callchain_sz > scripting_max_stack) 4133 scripting_max_stack = itrace_synth_opts.callchain_sz; 4134 4135 /* make sure PERF_EXEC_PATH is set for scripts */ 4136 set_argv_exec_path(get_argv_exec_path()); 4137 4138 if (argc && !script_name && !rec_script_path && !rep_script_path) { 4139 int live_pipe[2]; 4140 int rep_args; 4141 pid_t pid; 4142 4143 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); 4144 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); 4145 4146 if (!rec_script_path && !rep_script_path) { 4147 script_name = find_script(argv[0]); 4148 if (script_name) { 4149 argc -= 1; 4150 argv += 1; 4151 goto script_found; 4152 } 4153 usage_with_options_msg(script_usage, options, 4154 "Couldn't find script `%s'\n\n See perf" 4155 " script -l for available scripts.\n", argv[0]); 4156 } 4157 4158 if (is_top_script(argv[0])) { 4159 rep_args = argc - 1; 4160 } else { 4161 int rec_args; 4162 4163 rep_args = has_required_arg(rep_script_path); 4164 rec_args = (argc - 1) - rep_args; 4165 if (rec_args < 0) { 4166 usage_with_options_msg(script_usage, options, 4167 "`%s' script requires options." 4168 "\n\n See perf script -l for available " 4169 "scripts and options.\n", argv[0]); 4170 } 4171 } 4172 4173 if (pipe(live_pipe) < 0) { 4174 perror("failed to create pipe"); 4175 return -1; 4176 } 4177 4178 pid = fork(); 4179 if (pid < 0) { 4180 perror("failed to fork"); 4181 return -1; 4182 } 4183 4184 if (!pid) { 4185 j = 0; 4186 4187 dup2(live_pipe[1], 1); 4188 close(live_pipe[0]); 4189 4190 if (is_top_script(argv[0])) { 4191 system_wide = true; 4192 } else if (!system_wide) { 4193 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { 4194 err = -1; 4195 goto out; 4196 } 4197 } 4198 4199 __argv = malloc((argc + 6) * sizeof(const char *)); 4200 if (!__argv) { 4201 pr_err("malloc failed\n"); 4202 err = -ENOMEM; 4203 goto out; 4204 } 4205 4206 __argv[j++] = "/bin/sh"; 4207 __argv[j++] = rec_script_path; 4208 if (system_wide) 4209 __argv[j++] = "-a"; 4210 __argv[j++] = "-q"; 4211 __argv[j++] = "-o"; 4212 __argv[j++] = "-"; 4213 for (i = rep_args + 1; i < argc; i++) 4214 __argv[j++] = argv[i]; 4215 __argv[j++] = NULL; 4216 4217 execvp("/bin/sh", (char **)__argv); 4218 free(__argv); 4219 exit(-1); 4220 } 4221 4222 dup2(live_pipe[0], 0); 4223 close(live_pipe[1]); 4224 4225 __argv = malloc((argc + 4) * sizeof(const char *)); 4226 if (!__argv) { 4227 pr_err("malloc failed\n"); 4228 err = -ENOMEM; 4229 goto out; 4230 } 4231 4232 j = 0; 4233 __argv[j++] = "/bin/sh"; 4234 __argv[j++] = rep_script_path; 4235 for (i = 1; i < rep_args + 1; i++) 4236 __argv[j++] = argv[i]; 4237 __argv[j++] = "-i"; 4238 __argv[j++] = "-"; 4239 __argv[j++] = NULL; 4240 4241 execvp("/bin/sh", (char **)__argv); 4242 free(__argv); 4243 exit(-1); 4244 } 4245 script_found: 4246 if (rec_script_path) 4247 script_path = rec_script_path; 4248 if (rep_script_path) 4249 script_path = rep_script_path; 4250 4251 if (script_path) { 4252 j = 0; 4253 4254 if (!rec_script_path) 4255 system_wide = false; 4256 else if (!system_wide) { 4257 if (have_cmd(argc - 1, &argv[1]) != 0) { 4258 err = -1; 4259 goto out; 4260 } 4261 } 4262 4263 __argv = malloc((argc + 2) * sizeof(const char *)); 4264 if (!__argv) { 4265 pr_err("malloc failed\n"); 4266 err = -ENOMEM; 4267 goto out; 4268 } 4269 4270 __argv[j++] = "/bin/sh"; 4271 __argv[j++] = script_path; 4272 if (system_wide) 4273 __argv[j++] = "-a"; 4274 for (i = 2; i < argc; i++) 4275 __argv[j++] = argv[i]; 4276 __argv[j++] = NULL; 4277 4278 execvp("/bin/sh", (char **)__argv); 4279 free(__argv); 4280 exit(-1); 4281 } 4282 4283 if (dlfilter_file) { 4284 dlfilter = dlfilter__new(dlfilter_file, dlargc, dlargv); 4285 if (!dlfilter) 4286 return -1; 4287 } 4288 4289 if (!script_name) { 4290 setup_pager(); 4291 use_browser = 0; 4292 } 4293 4294 session = perf_session__new(&data, &script.tool); 4295 if (IS_ERR(session)) 4296 return PTR_ERR(session); 4297 4298 if (header || header_only) { 4299 script.tool.show_feat_hdr = SHOW_FEAT_HEADER; 4300 perf_session__fprintf_info(session, stdout, show_full_info); 4301 if (header_only) 4302 goto out_delete; 4303 } 4304 if (show_full_info) 4305 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 4306 4307 if (symbol__init(&session->header.env) < 0) 4308 goto out_delete; 4309 4310 uname(&uts); 4311 if (data.is_pipe) { /* Assume pipe_mode indicates native_arch */ 4312 native_arch = true; 4313 } else if (session->header.env.arch) { 4314 if (!strcmp(uts.machine, session->header.env.arch)) 4315 native_arch = true; 4316 else if (!strcmp(uts.machine, "x86_64") && 4317 !strcmp(session->header.env.arch, "i386")) 4318 native_arch = true; 4319 } 4320 4321 script.session = session; 4322 script__setup_sample_type(&script); 4323 4324 if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) || 4325 symbol_conf.graph_function) 4326 itrace_synth_opts.thread_stack = true; 4327 4328 session->itrace_synth_opts = &itrace_synth_opts; 4329 4330 if (cpu_list) { 4331 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap); 4332 if (err < 0) 4333 goto out_delete; 4334 itrace_synth_opts.cpu_bitmap = cpu_bitmap; 4335 } 4336 4337 if (!no_callchain) 4338 symbol_conf.use_callchain = true; 4339 else 4340 symbol_conf.use_callchain = false; 4341 4342 #ifdef HAVE_LIBTRACEEVENT 4343 if (session->tevent.pevent && 4344 tep_set_function_resolver(session->tevent.pevent, 4345 machine__resolve_kernel_addr, 4346 &session->machines.host) < 0) { 4347 pr_err("%s: failed to set libtraceevent function resolver\n", __func__); 4348 err = -1; 4349 goto out_delete; 4350 } 4351 #endif 4352 if (generate_script_lang) { 4353 struct stat perf_stat; 4354 int input; 4355 4356 if (output_set_by_user()) { 4357 fprintf(stderr, 4358 "custom fields not supported for generated scripts"); 4359 err = -EINVAL; 4360 goto out_delete; 4361 } 4362 4363 input = open(data.path, O_RDONLY); /* input_name */ 4364 if (input < 0) { 4365 err = -errno; 4366 perror("failed to open file"); 4367 goto out_delete; 4368 } 4369 4370 err = fstat(input, &perf_stat); 4371 if (err < 0) { 4372 perror("failed to stat file"); 4373 goto out_delete; 4374 } 4375 4376 if (!perf_stat.st_size) { 4377 fprintf(stderr, "zero-sized file, nothing to do!\n"); 4378 goto out_delete; 4379 } 4380 4381 scripting_ops = script_spec__lookup(generate_script_lang); 4382 if (!scripting_ops) { 4383 fprintf(stderr, "invalid language specifier"); 4384 err = -ENOENT; 4385 goto out_delete; 4386 } 4387 #ifdef HAVE_LIBTRACEEVENT 4388 err = scripting_ops->generate_script(session->tevent.pevent, 4389 "perf-script"); 4390 #else 4391 err = scripting_ops->generate_script(NULL, "perf-script"); 4392 #endif 4393 goto out_delete; 4394 } 4395 4396 err = dlfilter__start(dlfilter, session); 4397 if (err) 4398 goto out_delete; 4399 4400 if (script_name) { 4401 err = scripting_ops->start_script(script_name, argc, argv, session); 4402 if (err) 4403 goto out_delete; 4404 pr_debug("perf script started with script %s\n\n", script_name); 4405 script_started = true; 4406 } 4407 4408 4409 err = perf_session__check_output_opt(session); 4410 if (err < 0) 4411 goto out_delete; 4412 4413 if (script.time_str) { 4414 err = perf_time__parse_for_ranges_reltime(script.time_str, session, 4415 &script.ptime_range, 4416 &script.range_size, 4417 &script.range_num, 4418 reltime); 4419 if (err < 0) 4420 goto out_delete; 4421 4422 itrace_synth_opts__set_time_range(&itrace_synth_opts, 4423 script.ptime_range, 4424 script.range_num); 4425 } 4426 4427 err = evswitch__init(&script.evswitch, session->evlist, stderr); 4428 if (err) 4429 goto out_delete; 4430 4431 if (zstd_init(&(session->zstd_data), 0) < 0) 4432 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n"); 4433 4434 err = __cmd_script(&script); 4435 4436 flush_scripting(); 4437 4438 if (verbose > 2 || debug_kmaps) 4439 perf_session__dump_kmaps(session); 4440 4441 out_delete: 4442 if (script.ptime_range) { 4443 itrace_synth_opts__clear_time_range(&itrace_synth_opts); 4444 zfree(&script.ptime_range); 4445 } 4446 4447 zstd_fini(&(session->zstd_data)); 4448 evlist__free_stats(session->evlist); 4449 perf_session__delete(session); 4450 perf_script__exit(&script); 4451 4452 if (script_started) 4453 cleanup_scripting(); 4454 dlfilter__cleanup(dlfilter); 4455 free_dlarg(); 4456 out: 4457 return err; 4458 } 4459