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 }; 140 141 struct perf_script { 142 struct perf_tool tool; 143 struct perf_session *session; 144 bool show_task_events; 145 bool show_mmap_events; 146 bool show_switch_events; 147 bool show_namespace_events; 148 bool show_lost_events; 149 bool show_round_events; 150 bool show_bpf_events; 151 bool show_cgroup_events; 152 bool show_text_poke_events; 153 bool allocated; 154 bool per_event_dump; 155 bool stitch_lbr; 156 struct evswitch evswitch; 157 struct perf_cpu_map *cpus; 158 struct perf_thread_map *threads; 159 int name_width; 160 const char *time_str; 161 struct perf_time_interval *ptime_range; 162 int range_size; 163 int range_num; 164 }; 165 166 struct output_option { 167 const char *str; 168 enum perf_output_field field; 169 } all_output_options[] = { 170 {.str = "comm", .field = PERF_OUTPUT_COMM}, 171 {.str = "tid", .field = PERF_OUTPUT_TID}, 172 {.str = "pid", .field = PERF_OUTPUT_PID}, 173 {.str = "time", .field = PERF_OUTPUT_TIME}, 174 {.str = "cpu", .field = PERF_OUTPUT_CPU}, 175 {.str = "event", .field = PERF_OUTPUT_EVNAME}, 176 {.str = "trace", .field = PERF_OUTPUT_TRACE}, 177 {.str = "ip", .field = PERF_OUTPUT_IP}, 178 {.str = "sym", .field = PERF_OUTPUT_SYM}, 179 {.str = "dso", .field = PERF_OUTPUT_DSO}, 180 {.str = "dsoff", .field = PERF_OUTPUT_DSOFF}, 181 {.str = "addr", .field = PERF_OUTPUT_ADDR}, 182 {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET}, 183 {.str = "srcline", .field = PERF_OUTPUT_SRCLINE}, 184 {.str = "period", .field = PERF_OUTPUT_PERIOD}, 185 {.str = "iregs", .field = PERF_OUTPUT_IREGS}, 186 {.str = "uregs", .field = PERF_OUTPUT_UREGS}, 187 {.str = "brstack", .field = PERF_OUTPUT_BRSTACK}, 188 {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM}, 189 {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC}, 190 {.str = "weight", .field = PERF_OUTPUT_WEIGHT}, 191 {.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT}, 192 {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT}, 193 {.str = "insn", .field = PERF_OUTPUT_INSN}, 194 {.str = "disasm", .field = PERF_OUTPUT_DISASM}, 195 {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN}, 196 {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN}, 197 {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF}, 198 {.str = "synth", .field = PERF_OUTPUT_SYNTH}, 199 {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR}, 200 {.str = "metric", .field = PERF_OUTPUT_METRIC}, 201 {.str = "misc", .field = PERF_OUTPUT_MISC}, 202 {.str = "srccode", .field = PERF_OUTPUT_SRCCODE}, 203 {.str = "ipc", .field = PERF_OUTPUT_IPC}, 204 {.str = "tod", .field = PERF_OUTPUT_TOD}, 205 {.str = "data_page_size", .field = PERF_OUTPUT_DATA_PAGE_SIZE}, 206 {.str = "code_page_size", .field = PERF_OUTPUT_CODE_PAGE_SIZE}, 207 {.str = "ins_lat", .field = PERF_OUTPUT_INS_LAT}, 208 {.str = "brstackinsnlen", .field = PERF_OUTPUT_BRSTACKINSNLEN}, 209 {.str = "machine_pid", .field = PERF_OUTPUT_MACHINE_PID}, 210 {.str = "vcpu", .field = PERF_OUTPUT_VCPU}, 211 {.str = "cgroup", .field = PERF_OUTPUT_CGROUP}, 212 {.str = "retire_lat", .field = PERF_OUTPUT_RETIRE_LAT}, 213 }; 214 215 enum { 216 OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX, 217 OUTPUT_TYPE_OTHER, 218 OUTPUT_TYPE_MAX 219 }; 220 221 /* default set to maintain compatibility with current format */ 222 static struct { 223 bool user_set; 224 bool wildcard_set; 225 unsigned int print_ip_opts; 226 u64 fields; 227 u64 invalid_fields; 228 u64 user_set_fields; 229 u64 user_unset_fields; 230 } output[OUTPUT_TYPE_MAX] = { 231 232 [PERF_TYPE_HARDWARE] = { 233 .user_set = false, 234 235 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 236 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 237 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 238 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 239 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 240 241 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 242 }, 243 244 [PERF_TYPE_SOFTWARE] = { 245 .user_set = false, 246 247 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 248 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 249 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 250 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 251 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 252 PERF_OUTPUT_BPF_OUTPUT, 253 254 .invalid_fields = PERF_OUTPUT_TRACE, 255 }, 256 257 [PERF_TYPE_TRACEPOINT] = { 258 .user_set = false, 259 260 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 261 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 262 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE 263 }, 264 265 [PERF_TYPE_HW_CACHE] = { 266 .user_set = false, 267 268 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 269 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 270 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 271 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 272 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 273 274 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 275 }, 276 277 [PERF_TYPE_RAW] = { 278 .user_set = false, 279 280 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 281 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 282 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 283 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 284 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 285 PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC | 286 PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR | 287 PERF_OUTPUT_DATA_PAGE_SIZE | PERF_OUTPUT_CODE_PAGE_SIZE | 288 PERF_OUTPUT_INS_LAT | PERF_OUTPUT_RETIRE_LAT, 289 290 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 291 }, 292 293 [PERF_TYPE_BREAKPOINT] = { 294 .user_set = false, 295 296 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 297 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 298 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 299 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 300 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 301 302 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 303 }, 304 305 [OUTPUT_TYPE_SYNTH] = { 306 .user_set = false, 307 308 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 309 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 310 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 311 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 312 PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH, 313 314 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 315 }, 316 317 [OUTPUT_TYPE_OTHER] = { 318 .user_set = false, 319 320 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 321 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 322 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 323 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 324 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 325 326 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 327 }, 328 }; 329 330 struct evsel_script { 331 char *filename; 332 FILE *fp; 333 u64 samples; 334 /* For metric output */ 335 u64 val; 336 int gnum; 337 }; 338 339 static inline struct evsel_script *evsel_script(struct evsel *evsel) 340 { 341 return (struct evsel_script *)evsel->priv; 342 } 343 344 static struct evsel_script *evsel_script__new(struct evsel *evsel, struct perf_data *data) 345 { 346 struct evsel_script *es = zalloc(sizeof(*es)); 347 348 if (es != NULL) { 349 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0) 350 goto out_free; 351 es->fp = fopen(es->filename, "w"); 352 if (es->fp == NULL) 353 goto out_free_filename; 354 } 355 356 return es; 357 out_free_filename: 358 zfree(&es->filename); 359 out_free: 360 free(es); 361 return NULL; 362 } 363 364 static void evsel_script__delete(struct evsel_script *es) 365 { 366 zfree(&es->filename); 367 fclose(es->fp); 368 es->fp = NULL; 369 free(es); 370 } 371 372 static int evsel_script__fprintf(struct evsel_script *es, FILE *fp) 373 { 374 struct stat st; 375 376 fstat(fileno(es->fp), &st); 377 return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n", 378 st.st_size / 1024.0 / 1024.0, es->filename, es->samples); 379 } 380 381 static inline int output_type(unsigned int type) 382 { 383 switch (type) { 384 case PERF_TYPE_SYNTH: 385 return OUTPUT_TYPE_SYNTH; 386 default: 387 if (type < PERF_TYPE_MAX) 388 return type; 389 } 390 391 return OUTPUT_TYPE_OTHER; 392 } 393 394 static bool output_set_by_user(void) 395 { 396 int j; 397 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 398 if (output[j].user_set) 399 return true; 400 } 401 return false; 402 } 403 404 static const char *output_field2str(enum perf_output_field field) 405 { 406 int i, imax = ARRAY_SIZE(all_output_options); 407 const char *str = ""; 408 409 for (i = 0; i < imax; ++i) { 410 if (all_output_options[i].field == field) { 411 str = all_output_options[i].str; 412 break; 413 } 414 } 415 return str; 416 } 417 418 #define PRINT_FIELD(x) (output[output_type(attr->type)].fields & PERF_OUTPUT_##x) 419 420 static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg, 421 enum perf_output_field field, bool allow_user_set) 422 { 423 struct perf_event_attr *attr = &evsel->core.attr; 424 int type = output_type(attr->type); 425 const char *evname; 426 427 if (attr->sample_type & sample_type) 428 return 0; 429 430 if (output[type].user_set_fields & field) { 431 if (allow_user_set) 432 return 0; 433 evname = evsel__name(evsel); 434 pr_err("Samples for '%s' event do not have %s attribute set. " 435 "Cannot print '%s' field.\n", 436 evname, sample_msg, output_field2str(field)); 437 return -1; 438 } 439 440 /* user did not ask for it explicitly so remove from the default list */ 441 output[type].fields &= ~field; 442 evname = evsel__name(evsel); 443 pr_debug("Samples for '%s' event do not have %s attribute set. " 444 "Skipping '%s' field.\n", 445 evname, sample_msg, output_field2str(field)); 446 447 return 0; 448 } 449 450 static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg, 451 enum perf_output_field field) 452 { 453 return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false); 454 } 455 456 static int evsel__check_attr(struct evsel *evsel, struct perf_session *session) 457 { 458 struct perf_event_attr *attr = &evsel->core.attr; 459 bool allow_user_set; 460 461 if (evsel__is_dummy_event(evsel)) 462 return 0; 463 464 if (perf_header__has_feat(&session->header, HEADER_STAT)) 465 return 0; 466 467 allow_user_set = perf_header__has_feat(&session->header, 468 HEADER_AUXTRACE); 469 470 if (PRINT_FIELD(TRACE) && 471 !perf_session__has_traces(session, "record -R")) 472 return -EINVAL; 473 474 if (PRINT_FIELD(IP)) { 475 if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP)) 476 return -EINVAL; 477 } 478 479 if (PRINT_FIELD(ADDR) && 480 evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set)) 481 return -EINVAL; 482 483 if (PRINT_FIELD(DATA_SRC) && 484 evsel__do_check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC, allow_user_set)) 485 return -EINVAL; 486 487 if (PRINT_FIELD(WEIGHT) && 488 evsel__do_check_stype(evsel, PERF_SAMPLE_WEIGHT_TYPE, "WEIGHT", PERF_OUTPUT_WEIGHT, allow_user_set)) 489 return -EINVAL; 490 491 if (PRINT_FIELD(SYM) && 492 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 493 pr_err("Display of symbols requested but neither sample IP nor " 494 "sample address\navailable. Hence, no addresses to convert " 495 "to symbols.\n"); 496 return -EINVAL; 497 } 498 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) { 499 pr_err("Display of offsets requested but symbol is not" 500 "selected.\n"); 501 return -EINVAL; 502 } 503 if (PRINT_FIELD(DSO) && 504 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 505 pr_err("Display of DSO requested but no address to convert.\n"); 506 return -EINVAL; 507 } 508 if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) { 509 pr_err("Display of source line number requested but sample IP is not\n" 510 "selected. Hence, no address to lookup the source line number.\n"); 511 return -EINVAL; 512 } 513 if ((PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN)) && !allow_user_set && 514 !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) { 515 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n" 516 "Hint: run 'perf record -b ...'\n"); 517 return -EINVAL; 518 } 519 if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) && 520 evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID)) 521 return -EINVAL; 522 523 if (PRINT_FIELD(TIME) && 524 evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME)) 525 return -EINVAL; 526 527 if (PRINT_FIELD(CPU) && 528 evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set)) 529 return -EINVAL; 530 531 if (PRINT_FIELD(IREGS) && 532 evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set)) 533 return -EINVAL; 534 535 if (PRINT_FIELD(UREGS) && 536 evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS)) 537 return -EINVAL; 538 539 if (PRINT_FIELD(PHYS_ADDR) && 540 evsel__do_check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR, allow_user_set)) 541 return -EINVAL; 542 543 if (PRINT_FIELD(DATA_PAGE_SIZE) && 544 evsel__check_stype(evsel, PERF_SAMPLE_DATA_PAGE_SIZE, "DATA_PAGE_SIZE", PERF_OUTPUT_DATA_PAGE_SIZE)) 545 return -EINVAL; 546 547 if (PRINT_FIELD(CODE_PAGE_SIZE) && 548 evsel__check_stype(evsel, PERF_SAMPLE_CODE_PAGE_SIZE, "CODE_PAGE_SIZE", PERF_OUTPUT_CODE_PAGE_SIZE)) 549 return -EINVAL; 550 551 if (PRINT_FIELD(INS_LAT) && 552 evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_INS_LAT)) 553 return -EINVAL; 554 555 if (PRINT_FIELD(CGROUP) && 556 evsel__check_stype(evsel, PERF_SAMPLE_CGROUP, "CGROUP", PERF_OUTPUT_CGROUP)) { 557 pr_err("Hint: run 'perf record --all-cgroups ...'\n"); 558 return -EINVAL; 559 } 560 561 if (PRINT_FIELD(RETIRE_LAT) && 562 evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_RETIRE_LAT)) 563 return -EINVAL; 564 565 return 0; 566 } 567 568 static void set_print_ip_opts(struct perf_event_attr *attr) 569 { 570 unsigned int type = output_type(attr->type); 571 572 output[type].print_ip_opts = 0; 573 if (PRINT_FIELD(IP)) 574 output[type].print_ip_opts |= EVSEL__PRINT_IP; 575 576 if (PRINT_FIELD(SYM)) 577 output[type].print_ip_opts |= EVSEL__PRINT_SYM; 578 579 if (PRINT_FIELD(DSO)) 580 output[type].print_ip_opts |= EVSEL__PRINT_DSO; 581 582 if (PRINT_FIELD(DSOFF)) 583 output[type].print_ip_opts |= EVSEL__PRINT_DSOFF; 584 585 if (PRINT_FIELD(SYMOFFSET)) 586 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET; 587 588 if (PRINT_FIELD(SRCLINE)) 589 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE; 590 } 591 592 static struct evsel *find_first_output_type(struct evlist *evlist, 593 unsigned int type) 594 { 595 struct evsel *evsel; 596 597 evlist__for_each_entry(evlist, evsel) { 598 if (evsel__is_dummy_event(evsel)) 599 continue; 600 if (output_type(evsel->core.attr.type) == (int)type) 601 return evsel; 602 } 603 return NULL; 604 } 605 606 /* 607 * verify all user requested events exist and the samples 608 * have the expected data 609 */ 610 static int perf_session__check_output_opt(struct perf_session *session) 611 { 612 bool tod = false; 613 unsigned int j; 614 struct evsel *evsel; 615 616 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 617 evsel = find_first_output_type(session->evlist, j); 618 619 /* 620 * even if fields is set to 0 (ie., show nothing) event must 621 * exist if user explicitly includes it on the command line 622 */ 623 if (!evsel && output[j].user_set && !output[j].wildcard_set && 624 j != OUTPUT_TYPE_SYNTH) { 625 pr_err("%s events do not exist. " 626 "Remove corresponding -F option to proceed.\n", 627 event_type(j)); 628 return -1; 629 } 630 631 if (evsel && output[j].fields && 632 evsel__check_attr(evsel, session)) 633 return -1; 634 635 if (evsel == NULL) 636 continue; 637 638 /* 'dsoff' implys 'dso' field */ 639 if (output[j].fields & PERF_OUTPUT_DSOFF) 640 output[j].fields |= PERF_OUTPUT_DSO; 641 642 set_print_ip_opts(&evsel->core.attr); 643 tod |= output[j].fields & PERF_OUTPUT_TOD; 644 } 645 646 if (!no_callchain) { 647 bool use_callchain = false; 648 bool not_pipe = false; 649 650 evlist__for_each_entry(session->evlist, evsel) { 651 not_pipe = true; 652 if (evsel__has_callchain(evsel)) { 653 use_callchain = true; 654 break; 655 } 656 } 657 if (not_pipe && !use_callchain) 658 symbol_conf.use_callchain = false; 659 } 660 661 /* 662 * set default for tracepoints to print symbols only 663 * if callchains are present 664 */ 665 if (symbol_conf.use_callchain && 666 !output[PERF_TYPE_TRACEPOINT].user_set) { 667 j = PERF_TYPE_TRACEPOINT; 668 669 evlist__for_each_entry(session->evlist, evsel) { 670 if (evsel->core.attr.type != j) 671 continue; 672 673 if (evsel__has_callchain(evsel)) { 674 output[j].fields |= PERF_OUTPUT_IP; 675 output[j].fields |= PERF_OUTPUT_SYM; 676 output[j].fields |= PERF_OUTPUT_SYMOFFSET; 677 output[j].fields |= PERF_OUTPUT_DSO; 678 set_print_ip_opts(&evsel->core.attr); 679 goto out; 680 } 681 } 682 } 683 684 if (tod && !session->header.env.clock.enabled) { 685 pr_err("Can't provide 'tod' time, missing clock data. " 686 "Please record with -k/--clockid option.\n"); 687 return -1; 688 } 689 out: 690 return 0; 691 } 692 693 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask, const char *arch, 694 FILE *fp) 695 { 696 unsigned i = 0, r; 697 int printed = 0; 698 699 if (!regs || !regs->regs) 700 return 0; 701 702 printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi); 703 704 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) { 705 u64 val = regs->regs[i++]; 706 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r, arch), val); 707 } 708 709 return printed; 710 } 711 712 #define DEFAULT_TOD_FMT "%F %H:%M:%S" 713 714 static char* 715 tod_scnprintf(struct perf_script *script, char *buf, int buflen, 716 u64 timestamp) 717 { 718 u64 tod_ns, clockid_ns; 719 struct perf_env *env; 720 unsigned long nsec; 721 struct tm ltime; 722 char date[64]; 723 time_t sec; 724 725 buf[0] = '\0'; 726 if (buflen < 64 || !script) 727 return buf; 728 729 env = &script->session->header.env; 730 if (!env->clock.enabled) { 731 scnprintf(buf, buflen, "disabled"); 732 return buf; 733 } 734 735 clockid_ns = env->clock.clockid_ns; 736 tod_ns = env->clock.tod_ns; 737 738 if (timestamp > clockid_ns) 739 tod_ns += timestamp - clockid_ns; 740 else 741 tod_ns -= clockid_ns - timestamp; 742 743 sec = (time_t) (tod_ns / NSEC_PER_SEC); 744 nsec = tod_ns - sec * NSEC_PER_SEC; 745 746 if (localtime_r(&sec, <ime) == NULL) { 747 scnprintf(buf, buflen, "failed"); 748 } else { 749 strftime(date, sizeof(date), DEFAULT_TOD_FMT, <ime); 750 751 if (symbol_conf.nanosecs) { 752 snprintf(buf, buflen, "%s.%09lu", date, nsec); 753 } else { 754 snprintf(buf, buflen, "%s.%06lu", 755 date, nsec / NSEC_PER_USEC); 756 } 757 } 758 759 return buf; 760 } 761 762 static int perf_sample__fprintf_iregs(struct perf_sample *sample, 763 struct perf_event_attr *attr, const char *arch, FILE *fp) 764 { 765 return perf_sample__fprintf_regs(&sample->intr_regs, 766 attr->sample_regs_intr, arch, fp); 767 } 768 769 static int perf_sample__fprintf_uregs(struct perf_sample *sample, 770 struct perf_event_attr *attr, const char *arch, FILE *fp) 771 { 772 return perf_sample__fprintf_regs(&sample->user_regs, 773 attr->sample_regs_user, arch, fp); 774 } 775 776 static int perf_sample__fprintf_start(struct perf_script *script, 777 struct perf_sample *sample, 778 struct thread *thread, 779 struct evsel *evsel, 780 u32 type, FILE *fp) 781 { 782 struct perf_event_attr *attr = &evsel->core.attr; 783 unsigned long secs; 784 unsigned long long nsecs; 785 int printed = 0; 786 char tstr[128]; 787 788 if (PRINT_FIELD(MACHINE_PID) && sample->machine_pid) 789 printed += fprintf(fp, "VM:%5d ", sample->machine_pid); 790 791 /* Print VCPU only for guest events i.e. with machine_pid */ 792 if (PRINT_FIELD(VCPU) && sample->machine_pid) 793 printed += fprintf(fp, "VCPU:%03d ", sample->vcpu); 794 795 if (PRINT_FIELD(COMM)) { 796 const char *comm = thread ? thread__comm_str(thread) : ":-1"; 797 798 if (latency_format) 799 printed += fprintf(fp, "%8.8s ", comm); 800 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain) 801 printed += fprintf(fp, "%s ", comm); 802 else 803 printed += fprintf(fp, "%16s ", comm); 804 } 805 806 if (PRINT_FIELD(PID) && PRINT_FIELD(TID)) 807 printed += fprintf(fp, "%7d/%-7d ", sample->pid, sample->tid); 808 else if (PRINT_FIELD(PID)) 809 printed += fprintf(fp, "%7d ", sample->pid); 810 else if (PRINT_FIELD(TID)) 811 printed += fprintf(fp, "%7d ", sample->tid); 812 813 if (PRINT_FIELD(CPU)) { 814 if (latency_format) 815 printed += fprintf(fp, "%3d ", sample->cpu); 816 else 817 printed += fprintf(fp, "[%03d] ", sample->cpu); 818 } 819 820 if (PRINT_FIELD(MISC)) { 821 int ret = 0; 822 823 #define has(m) \ 824 (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m 825 826 if (has(KERNEL)) 827 ret += fprintf(fp, "K"); 828 if (has(USER)) 829 ret += fprintf(fp, "U"); 830 if (has(HYPERVISOR)) 831 ret += fprintf(fp, "H"); 832 if (has(GUEST_KERNEL)) 833 ret += fprintf(fp, "G"); 834 if (has(GUEST_USER)) 835 ret += fprintf(fp, "g"); 836 837 switch (type) { 838 case PERF_RECORD_MMAP: 839 case PERF_RECORD_MMAP2: 840 if (has(MMAP_DATA)) 841 ret += fprintf(fp, "M"); 842 break; 843 case PERF_RECORD_COMM: 844 if (has(COMM_EXEC)) 845 ret += fprintf(fp, "E"); 846 break; 847 case PERF_RECORD_SWITCH: 848 case PERF_RECORD_SWITCH_CPU_WIDE: 849 if (has(SWITCH_OUT)) { 850 ret += fprintf(fp, "S"); 851 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT) 852 ret += fprintf(fp, "p"); 853 } 854 default: 855 break; 856 } 857 858 #undef has 859 860 ret += fprintf(fp, "%*s", 6 - ret, " "); 861 printed += ret; 862 } 863 864 if (PRINT_FIELD(TOD)) { 865 tod_scnprintf(script, tstr, sizeof(tstr), sample->time); 866 printed += fprintf(fp, "%s ", tstr); 867 } 868 869 if (PRINT_FIELD(TIME)) { 870 u64 t = sample->time; 871 if (reltime) { 872 if (!initial_time) 873 initial_time = sample->time; 874 t = sample->time - initial_time; 875 } else if (deltatime) { 876 if (previous_time) 877 t = sample->time - previous_time; 878 else { 879 t = 0; 880 } 881 previous_time = sample->time; 882 } 883 nsecs = t; 884 secs = nsecs / NSEC_PER_SEC; 885 nsecs -= secs * NSEC_PER_SEC; 886 887 if (symbol_conf.nanosecs) 888 printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs); 889 else { 890 char sample_time[32]; 891 timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time)); 892 printed += fprintf(fp, "%12s: ", sample_time); 893 } 894 } 895 896 return printed; 897 } 898 899 static inline char 900 mispred_str(struct branch_entry *br) 901 { 902 if (!(br->flags.mispred || br->flags.predicted)) 903 return '-'; 904 905 return br->flags.predicted ? 'P' : 'M'; 906 } 907 908 static int print_bstack_flags(FILE *fp, struct branch_entry *br) 909 { 910 return fprintf(fp, "/%c/%c/%c/%d/%s/%s ", 911 mispred_str(br), 912 br->flags.in_tx ? 'X' : '-', 913 br->flags.abort ? 'A' : '-', 914 br->flags.cycles, 915 get_branch_type(br), 916 br->flags.spec ? branch_spec_desc(br->flags.spec) : "-"); 917 } 918 919 static int perf_sample__fprintf_brstack(struct perf_sample *sample, 920 struct thread *thread, 921 struct perf_event_attr *attr, FILE *fp) 922 { 923 struct branch_stack *br = sample->branch_stack; 924 struct branch_entry *entries = perf_sample__branch_entries(sample); 925 u64 i, from, to; 926 int printed = 0; 927 928 if (!(br && br->nr)) 929 return 0; 930 931 for (i = 0; i < br->nr; i++) { 932 from = entries[i].from; 933 to = entries[i].to; 934 935 printed += fprintf(fp, " 0x%"PRIx64, from); 936 if (PRINT_FIELD(DSO)) { 937 struct addr_location alf, alt; 938 939 addr_location__init(&alf); 940 addr_location__init(&alt); 941 thread__find_map_fb(thread, sample->cpumode, from, &alf); 942 thread__find_map_fb(thread, sample->cpumode, to, &alt); 943 944 printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp); 945 printed += fprintf(fp, "/0x%"PRIx64, to); 946 printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp); 947 addr_location__exit(&alt); 948 addr_location__exit(&alf); 949 } else 950 printed += fprintf(fp, "/0x%"PRIx64, to); 951 952 printed += print_bstack_flags(fp, entries + i); 953 } 954 955 return printed; 956 } 957 958 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample, 959 struct thread *thread, 960 struct perf_event_attr *attr, FILE *fp) 961 { 962 struct branch_stack *br = sample->branch_stack; 963 struct branch_entry *entries = perf_sample__branch_entries(sample); 964 u64 i, from, to; 965 int printed = 0; 966 967 if (!(br && br->nr)) 968 return 0; 969 970 for (i = 0; i < br->nr; i++) { 971 struct addr_location alf, alt; 972 973 addr_location__init(&alf); 974 addr_location__init(&alt); 975 from = entries[i].from; 976 to = entries[i].to; 977 978 thread__find_symbol_fb(thread, sample->cpumode, from, &alf); 979 thread__find_symbol_fb(thread, sample->cpumode, to, &alt); 980 981 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp); 982 if (PRINT_FIELD(DSO)) 983 printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp); 984 printed += fprintf(fp, "%c", '/'); 985 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp); 986 if (PRINT_FIELD(DSO)) 987 printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp); 988 printed += print_bstack_flags(fp, entries + i); 989 addr_location__exit(&alt); 990 addr_location__exit(&alf); 991 } 992 993 return printed; 994 } 995 996 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample, 997 struct thread *thread, 998 struct perf_event_attr *attr, FILE *fp) 999 { 1000 struct branch_stack *br = sample->branch_stack; 1001 struct branch_entry *entries = perf_sample__branch_entries(sample); 1002 u64 i, from, to; 1003 int printed = 0; 1004 1005 if (!(br && br->nr)) 1006 return 0; 1007 1008 for (i = 0; i < br->nr; i++) { 1009 struct addr_location alf, alt; 1010 1011 addr_location__init(&alf); 1012 addr_location__init(&alt); 1013 from = entries[i].from; 1014 to = entries[i].to; 1015 1016 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) && 1017 !map__dso(alf.map)->adjust_symbols) 1018 from = map__dso_map_ip(alf.map, from); 1019 1020 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) && 1021 !map__dso(alt.map)->adjust_symbols) 1022 to = map__dso_map_ip(alt.map, to); 1023 1024 printed += fprintf(fp, " 0x%"PRIx64, from); 1025 if (PRINT_FIELD(DSO)) 1026 printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp); 1027 printed += fprintf(fp, "/0x%"PRIx64, to); 1028 if (PRINT_FIELD(DSO)) 1029 printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp); 1030 printed += print_bstack_flags(fp, entries + i); 1031 addr_location__exit(&alt); 1032 addr_location__exit(&alf); 1033 } 1034 1035 return printed; 1036 } 1037 #define MAXBB 16384UL 1038 1039 static int grab_bb(u8 *buffer, u64 start, u64 end, 1040 struct machine *machine, struct thread *thread, 1041 bool *is64bit, u8 *cpumode, bool last) 1042 { 1043 long offset, len; 1044 struct addr_location al; 1045 bool kernel; 1046 struct dso *dso; 1047 int ret = 0; 1048 1049 if (!start || !end) 1050 return 0; 1051 1052 kernel = machine__kernel_ip(machine, start); 1053 if (kernel) 1054 *cpumode = PERF_RECORD_MISC_KERNEL; 1055 else 1056 *cpumode = PERF_RECORD_MISC_USER; 1057 1058 /* 1059 * Block overlaps between kernel and user. 1060 * This can happen due to ring filtering 1061 * On Intel CPUs the entry into the kernel is filtered, 1062 * but the exit is not. Let the caller patch it up. 1063 */ 1064 if (kernel != machine__kernel_ip(machine, end)) { 1065 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end); 1066 return -ENXIO; 1067 } 1068 1069 if (end - start > MAXBB - MAXINSN) { 1070 if (last) 1071 pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end); 1072 else 1073 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start); 1074 return 0; 1075 } 1076 1077 addr_location__init(&al); 1078 if (!thread__find_map(thread, *cpumode, start, &al) || (dso = map__dso(al.map)) == NULL) { 1079 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 1080 goto out; 1081 } 1082 if (dso->data.status == DSO_DATA_STATUS_ERROR) { 1083 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 1084 goto out; 1085 } 1086 1087 /* Load maps to ensure dso->is_64_bit has been updated */ 1088 map__load(al.map); 1089 1090 offset = map__map_ip(al.map, start); 1091 len = dso__data_read_offset(dso, machine, offset, (u8 *)buffer, 1092 end - start + MAXINSN); 1093 1094 *is64bit = dso->is_64_bit; 1095 if (len <= 0) 1096 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n", 1097 start, end); 1098 ret = len; 1099 out: 1100 addr_location__exit(&al); 1101 return ret; 1102 } 1103 1104 static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state) 1105 { 1106 char *srcfile; 1107 int ret = 0; 1108 unsigned line; 1109 int len; 1110 char *srccode; 1111 struct dso *dso; 1112 1113 if (!map || (dso = map__dso(map)) == NULL) 1114 return 0; 1115 srcfile = get_srcline_split(dso, 1116 map__rip_2objdump(map, addr), 1117 &line); 1118 if (!srcfile) 1119 return 0; 1120 1121 /* Avoid redundant printing */ 1122 if (state && 1123 state->srcfile && 1124 !strcmp(state->srcfile, srcfile) && 1125 state->line == line) { 1126 free(srcfile); 1127 return 0; 1128 } 1129 1130 srccode = find_sourceline(srcfile, line, &len); 1131 if (!srccode) 1132 goto out_free_line; 1133 1134 ret = fprintf(fp, "|%-8d %.*s", line, len, srccode); 1135 1136 if (state) { 1137 state->srcfile = srcfile; 1138 state->line = line; 1139 } 1140 return ret; 1141 1142 out_free_line: 1143 free(srcfile); 1144 return ret; 1145 } 1146 1147 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr) 1148 { 1149 struct addr_location al; 1150 int ret = 0; 1151 1152 addr_location__init(&al); 1153 thread__find_map(thread, cpumode, addr, &al); 1154 if (!al.map) 1155 goto out; 1156 ret = map__fprintf_srccode(al.map, al.addr, stdout, 1157 thread__srccode_state(thread)); 1158 if (ret) 1159 ret += printf("\n"); 1160 out: 1161 addr_location__exit(&al); 1162 return ret; 1163 } 1164 1165 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en, 1166 struct perf_insn *x, u8 *inbuf, int len, 1167 int insn, FILE *fp, int *total_cycles, 1168 struct perf_event_attr *attr, 1169 struct thread *thread) 1170 { 1171 int ilen = 0; 1172 int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t", ip, 1173 dump_insn(x, ip, inbuf, len, &ilen)); 1174 1175 if (PRINT_FIELD(BRSTACKINSNLEN)) 1176 printed += fprintf(fp, "ilen: %d\t", ilen); 1177 1178 if (PRINT_FIELD(SRCLINE)) { 1179 struct addr_location al; 1180 1181 addr_location__init(&al); 1182 thread__find_map(thread, x->cpumode, ip, &al); 1183 printed += map__fprintf_srcline(al.map, al.addr, " srcline: ", fp); 1184 printed += fprintf(fp, "\t"); 1185 addr_location__exit(&al); 1186 } 1187 1188 printed += fprintf(fp, "#%s%s%s%s", 1189 en->flags.predicted ? " PRED" : "", 1190 en->flags.mispred ? " MISPRED" : "", 1191 en->flags.in_tx ? " INTX" : "", 1192 en->flags.abort ? " ABORT" : ""); 1193 if (en->flags.cycles) { 1194 *total_cycles += en->flags.cycles; 1195 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles); 1196 if (insn) 1197 printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles); 1198 } 1199 1200 return printed + fprintf(fp, "\n"); 1201 } 1202 1203 static int ip__fprintf_sym(uint64_t addr, struct thread *thread, 1204 u8 cpumode, int cpu, struct symbol **lastsym, 1205 struct perf_event_attr *attr, FILE *fp) 1206 { 1207 struct addr_location al; 1208 int off, printed = 0, ret = 0; 1209 1210 addr_location__init(&al); 1211 thread__find_map(thread, cpumode, addr, &al); 1212 1213 if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end) 1214 goto out; 1215 1216 al.cpu = cpu; 1217 al.sym = NULL; 1218 if (al.map) 1219 al.sym = map__find_symbol(al.map, al.addr); 1220 1221 if (!al.sym) 1222 goto out; 1223 1224 if (al.addr < al.sym->end) 1225 off = al.addr - al.sym->start; 1226 else 1227 off = al.addr - map__start(al.map) - al.sym->start; 1228 printed += fprintf(fp, "\t%s", al.sym->name); 1229 if (off) 1230 printed += fprintf(fp, "%+d", off); 1231 printed += fprintf(fp, ":"); 1232 if (PRINT_FIELD(SRCLINE)) 1233 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp); 1234 printed += fprintf(fp, "\n"); 1235 *lastsym = al.sym; 1236 1237 ret = printed; 1238 out: 1239 addr_location__exit(&al); 1240 return ret; 1241 } 1242 1243 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample, 1244 struct thread *thread, 1245 struct perf_event_attr *attr, 1246 struct machine *machine, FILE *fp) 1247 { 1248 struct branch_stack *br = sample->branch_stack; 1249 struct branch_entry *entries = perf_sample__branch_entries(sample); 1250 u64 start, end; 1251 int i, insn, len, nr, ilen, printed = 0; 1252 struct perf_insn x; 1253 u8 buffer[MAXBB]; 1254 unsigned off; 1255 struct symbol *lastsym = NULL; 1256 int total_cycles = 0; 1257 1258 if (!(br && br->nr)) 1259 return 0; 1260 nr = br->nr; 1261 if (max_blocks && nr > max_blocks + 1) 1262 nr = max_blocks + 1; 1263 1264 x.thread = thread; 1265 x.cpu = sample->cpu; 1266 1267 printed += fprintf(fp, "%c", '\n'); 1268 1269 /* Handle first from jump, of which we don't know the entry. */ 1270 len = grab_bb(buffer, entries[nr-1].from, 1271 entries[nr-1].from, 1272 machine, thread, &x.is64bit, &x.cpumode, false); 1273 if (len > 0) { 1274 printed += ip__fprintf_sym(entries[nr - 1].from, thread, 1275 x.cpumode, x.cpu, &lastsym, attr, fp); 1276 printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1], 1277 &x, buffer, len, 0, fp, &total_cycles, 1278 attr, thread); 1279 if (PRINT_FIELD(SRCCODE)) 1280 printed += print_srccode(thread, x.cpumode, entries[nr - 1].from); 1281 } 1282 1283 /* Print all blocks */ 1284 for (i = nr - 2; i >= 0; i--) { 1285 if (entries[i].from || entries[i].to) 1286 pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i, 1287 entries[i].from, 1288 entries[i].to); 1289 start = entries[i + 1].to; 1290 end = entries[i].from; 1291 1292 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1293 /* Patch up missing kernel transfers due to ring filters */ 1294 if (len == -ENXIO && i > 0) { 1295 end = entries[--i].from; 1296 pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end); 1297 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1298 } 1299 if (len <= 0) 1300 continue; 1301 1302 insn = 0; 1303 for (off = 0; off < (unsigned)len; off += ilen) { 1304 uint64_t ip = start + off; 1305 1306 printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1307 if (ip == end) { 1308 printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp, 1309 &total_cycles, attr, thread); 1310 if (PRINT_FIELD(SRCCODE)) 1311 printed += print_srccode(thread, x.cpumode, ip); 1312 break; 1313 } else { 1314 ilen = 0; 1315 printed += fprintf(fp, "\t%016" PRIx64 "\t%s", ip, 1316 dump_insn(&x, ip, buffer + off, len - off, &ilen)); 1317 if (PRINT_FIELD(BRSTACKINSNLEN)) 1318 printed += fprintf(fp, "\tilen: %d", ilen); 1319 printed += fprintf(fp, "\n"); 1320 if (ilen == 0) 1321 break; 1322 if (PRINT_FIELD(SRCCODE)) 1323 print_srccode(thread, x.cpumode, ip); 1324 insn++; 1325 } 1326 } 1327 if (off != end - start) 1328 printed += fprintf(fp, "\tmismatch of LBR data and executable\n"); 1329 } 1330 1331 /* 1332 * Hit the branch? In this case we are already done, and the target 1333 * has not been executed yet. 1334 */ 1335 if (entries[0].from == sample->ip) 1336 goto out; 1337 if (entries[0].flags.abort) 1338 goto out; 1339 1340 /* 1341 * Print final block up to sample 1342 * 1343 * Due to pipeline delays the LBRs might be missing a branch 1344 * or two, which can result in very large or negative blocks 1345 * between final branch and sample. When this happens just 1346 * continue walking after the last TO until we hit a branch. 1347 */ 1348 start = entries[0].to; 1349 end = sample->ip; 1350 if (end < start) { 1351 /* Missing jump. Scan 128 bytes for the next branch */ 1352 end = start + 128; 1353 } 1354 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true); 1355 printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1356 if (len <= 0) { 1357 /* Print at least last IP if basic block did not work */ 1358 len = grab_bb(buffer, sample->ip, sample->ip, 1359 machine, thread, &x.is64bit, &x.cpumode, false); 1360 if (len <= 0) 1361 goto out; 1362 ilen = 0; 1363 printed += fprintf(fp, "\t%016" PRIx64 "\t%s", sample->ip, 1364 dump_insn(&x, sample->ip, buffer, len, &ilen)); 1365 if (PRINT_FIELD(BRSTACKINSNLEN)) 1366 printed += fprintf(fp, "\tilen: %d", ilen); 1367 printed += fprintf(fp, "\n"); 1368 if (PRINT_FIELD(SRCCODE)) 1369 print_srccode(thread, x.cpumode, sample->ip); 1370 goto out; 1371 } 1372 for (off = 0; off <= end - start; off += ilen) { 1373 ilen = 0; 1374 printed += fprintf(fp, "\t%016" PRIx64 "\t%s", start + off, 1375 dump_insn(&x, start + off, buffer + off, len - off, &ilen)); 1376 if (PRINT_FIELD(BRSTACKINSNLEN)) 1377 printed += fprintf(fp, "\tilen: %d", ilen); 1378 printed += fprintf(fp, "\n"); 1379 if (ilen == 0) 1380 break; 1381 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) { 1382 /* 1383 * Hit a missing branch. Just stop. 1384 */ 1385 printed += fprintf(fp, "\t... not reaching sample ...\n"); 1386 break; 1387 } 1388 if (PRINT_FIELD(SRCCODE)) 1389 print_srccode(thread, x.cpumode, start + off); 1390 } 1391 out: 1392 return printed; 1393 } 1394 1395 static int perf_sample__fprintf_addr(struct perf_sample *sample, 1396 struct thread *thread, 1397 struct perf_event_attr *attr, FILE *fp) 1398 { 1399 struct addr_location al; 1400 int printed = fprintf(fp, "%16" PRIx64, sample->addr); 1401 1402 addr_location__init(&al); 1403 if (!sample_addr_correlates_sym(attr)) 1404 goto out; 1405 1406 thread__resolve(thread, &al, sample); 1407 1408 if (PRINT_FIELD(SYM)) { 1409 printed += fprintf(fp, " "); 1410 if (PRINT_FIELD(SYMOFFSET)) 1411 printed += symbol__fprintf_symname_offs(al.sym, &al, fp); 1412 else 1413 printed += symbol__fprintf_symname(al.sym, fp); 1414 } 1415 1416 if (PRINT_FIELD(DSO)) 1417 printed += map__fprintf_dsoname_dsoff(al.map, PRINT_FIELD(DSOFF), al.addr, fp); 1418 out: 1419 addr_location__exit(&al); 1420 return printed; 1421 } 1422 1423 static const char *resolve_branch_sym(struct perf_sample *sample, 1424 struct evsel *evsel, 1425 struct thread *thread, 1426 struct addr_location *al, 1427 struct addr_location *addr_al, 1428 u64 *ip) 1429 { 1430 struct perf_event_attr *attr = &evsel->core.attr; 1431 const char *name = NULL; 1432 1433 if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) { 1434 if (sample_addr_correlates_sym(attr)) { 1435 if (!addr_al->thread) 1436 thread__resolve(thread, addr_al, sample); 1437 if (addr_al->sym) 1438 name = addr_al->sym->name; 1439 else 1440 *ip = sample->addr; 1441 } else { 1442 *ip = sample->addr; 1443 } 1444 } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) { 1445 if (al->sym) 1446 name = al->sym->name; 1447 else 1448 *ip = sample->ip; 1449 } 1450 return name; 1451 } 1452 1453 static int perf_sample__fprintf_callindent(struct perf_sample *sample, 1454 struct evsel *evsel, 1455 struct thread *thread, 1456 struct addr_location *al, 1457 struct addr_location *addr_al, 1458 FILE *fp) 1459 { 1460 struct perf_event_attr *attr = &evsel->core.attr; 1461 size_t depth = thread_stack__depth(thread, sample->cpu); 1462 const char *name = NULL; 1463 static int spacing; 1464 int len = 0; 1465 int dlen = 0; 1466 u64 ip = 0; 1467 1468 /* 1469 * The 'return' has already been popped off the stack so the depth has 1470 * to be adjusted to match the 'call'. 1471 */ 1472 if (thread__ts(thread) && sample->flags & PERF_IP_FLAG_RETURN) 1473 depth += 1; 1474 1475 name = resolve_branch_sym(sample, evsel, thread, al, addr_al, &ip); 1476 1477 if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) { 1478 dlen += fprintf(fp, "("); 1479 dlen += map__fprintf_dsoname(al->map, fp); 1480 dlen += fprintf(fp, ")\t"); 1481 } 1482 1483 if (name) 1484 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name); 1485 else if (ip) 1486 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip); 1487 1488 if (len < 0) 1489 return len; 1490 1491 /* 1492 * Try to keep the output length from changing frequently so that the 1493 * output lines up more nicely. 1494 */ 1495 if (len > spacing || (len && len < spacing - 52)) 1496 spacing = round_up(len + 4, 32); 1497 1498 if (len < spacing) 1499 len += fprintf(fp, "%*s", spacing - len, ""); 1500 1501 return len + dlen; 1502 } 1503 1504 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused, 1505 struct thread *thread __maybe_unused, 1506 struct machine *machine __maybe_unused) 1507 { 1508 } 1509 1510 void script_fetch_insn(struct perf_sample *sample, struct thread *thread, 1511 struct machine *machine) 1512 { 1513 if (sample->insn_len == 0 && native_arch) 1514 arch_fetch_insn(sample, thread, machine); 1515 } 1516 1517 static int perf_sample__fprintf_insn(struct perf_sample *sample, 1518 struct perf_event_attr *attr, 1519 struct thread *thread, 1520 struct machine *machine, FILE *fp) 1521 { 1522 int printed = 0; 1523 1524 script_fetch_insn(sample, thread, machine); 1525 1526 if (PRINT_FIELD(INSNLEN)) 1527 printed += fprintf(fp, " ilen: %d", sample->insn_len); 1528 if (PRINT_FIELD(INSN) && sample->insn_len) { 1529 printed += fprintf(fp, " insn: "); 1530 printed += sample__fprintf_insn_raw(sample, fp); 1531 } 1532 if (PRINT_FIELD(DISASM) && sample->insn_len) { 1533 printed += fprintf(fp, "\t\t"); 1534 printed += sample__fprintf_insn_asm(sample, thread, machine, fp); 1535 } 1536 if (PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN)) 1537 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp); 1538 1539 return printed; 1540 } 1541 1542 static int perf_sample__fprintf_ipc(struct perf_sample *sample, 1543 struct perf_event_attr *attr, FILE *fp) 1544 { 1545 unsigned int ipc; 1546 1547 if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt) 1548 return 0; 1549 1550 ipc = (sample->insn_cnt * 100) / sample->cyc_cnt; 1551 1552 return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ", 1553 ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt); 1554 } 1555 1556 static int perf_sample__fprintf_bts(struct perf_sample *sample, 1557 struct evsel *evsel, 1558 struct thread *thread, 1559 struct addr_location *al, 1560 struct addr_location *addr_al, 1561 struct machine *machine, FILE *fp) 1562 { 1563 struct perf_event_attr *attr = &evsel->core.attr; 1564 unsigned int type = output_type(attr->type); 1565 bool print_srcline_last = false; 1566 int printed = 0; 1567 1568 if (PRINT_FIELD(CALLINDENT)) 1569 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, addr_al, fp); 1570 1571 /* print branch_from information */ 1572 if (PRINT_FIELD(IP)) { 1573 unsigned int print_opts = output[type].print_ip_opts; 1574 struct callchain_cursor *cursor = NULL; 1575 1576 if (symbol_conf.use_callchain && sample->callchain) { 1577 cursor = get_tls_callchain_cursor(); 1578 if (thread__resolve_callchain(al->thread, cursor, evsel, 1579 sample, NULL, NULL, 1580 scripting_max_stack)) 1581 cursor = NULL; 1582 } 1583 if (cursor == NULL) { 1584 printed += fprintf(fp, " "); 1585 if (print_opts & EVSEL__PRINT_SRCLINE) { 1586 print_srcline_last = true; 1587 print_opts &= ~EVSEL__PRINT_SRCLINE; 1588 } 1589 } else 1590 printed += fprintf(fp, "\n"); 1591 1592 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, 1593 symbol_conf.bt_stop_list, fp); 1594 } 1595 1596 /* print branch_to information */ 1597 if (PRINT_FIELD(ADDR) || 1598 ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 1599 !output[type].user_set)) { 1600 printed += fprintf(fp, " => "); 1601 printed += perf_sample__fprintf_addr(sample, thread, attr, fp); 1602 } 1603 1604 printed += perf_sample__fprintf_ipc(sample, attr, fp); 1605 1606 if (print_srcline_last) 1607 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp); 1608 1609 printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 1610 printed += fprintf(fp, "\n"); 1611 if (PRINT_FIELD(SRCCODE)) { 1612 int ret = map__fprintf_srccode(al->map, al->addr, stdout, 1613 thread__srccode_state(thread)); 1614 if (ret) { 1615 printed += ret; 1616 printed += printf("\n"); 1617 } 1618 } 1619 return printed; 1620 } 1621 1622 static struct { 1623 u32 flags; 1624 const char *name; 1625 } sample_flags[] = { 1626 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"}, 1627 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"}, 1628 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"}, 1629 {PERF_IP_FLAG_BRANCH, "jmp"}, 1630 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"}, 1631 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"}, 1632 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"}, 1633 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"}, 1634 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"}, 1635 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"}, 1636 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"}, 1637 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"}, 1638 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"}, 1639 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMENTRY, "vmentry"}, 1640 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMEXIT, "vmexit"}, 1641 {0, NULL} 1642 }; 1643 1644 static const char *sample_flags_to_name(u32 flags) 1645 { 1646 int i; 1647 1648 for (i = 0; sample_flags[i].name ; i++) { 1649 if (sample_flags[i].flags == flags) 1650 return sample_flags[i].name; 1651 } 1652 1653 return NULL; 1654 } 1655 1656 int perf_sample__sprintf_flags(u32 flags, char *str, size_t sz) 1657 { 1658 u32 xf = PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_INTR_DISABLE | 1659 PERF_IP_FLAG_INTR_TOGGLE; 1660 const char *chars = PERF_IP_FLAG_CHARS; 1661 const size_t n = strlen(PERF_IP_FLAG_CHARS); 1662 const char *name = NULL; 1663 size_t i, pos = 0; 1664 char xs[16] = {0}; 1665 1666 if (flags & xf) 1667 snprintf(xs, sizeof(xs), "(%s%s%s)", 1668 flags & PERF_IP_FLAG_IN_TX ? "x" : "", 1669 flags & PERF_IP_FLAG_INTR_DISABLE ? "D" : "", 1670 flags & PERF_IP_FLAG_INTR_TOGGLE ? "t" : ""); 1671 1672 name = sample_flags_to_name(flags & ~xf); 1673 if (name) 1674 return snprintf(str, sz, "%-15s%6s", name, xs); 1675 1676 if (flags & PERF_IP_FLAG_TRACE_BEGIN) { 1677 name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_BEGIN)); 1678 if (name) 1679 return snprintf(str, sz, "tr strt %-7s%6s", name, xs); 1680 } 1681 1682 if (flags & PERF_IP_FLAG_TRACE_END) { 1683 name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_END)); 1684 if (name) 1685 return snprintf(str, sz, "tr end %-7s%6s", name, xs); 1686 } 1687 1688 for (i = 0; i < n; i++, flags >>= 1) { 1689 if ((flags & 1) && pos < sz) 1690 str[pos++] = chars[i]; 1691 } 1692 for (; i < 32; i++, flags >>= 1) { 1693 if ((flags & 1) && pos < sz) 1694 str[pos++] = '?'; 1695 } 1696 if (pos < sz) 1697 str[pos] = 0; 1698 1699 return pos; 1700 } 1701 1702 static int perf_sample__fprintf_flags(u32 flags, FILE *fp) 1703 { 1704 char str[SAMPLE_FLAGS_BUF_SIZE]; 1705 1706 perf_sample__sprintf_flags(flags, str, sizeof(str)); 1707 return fprintf(fp, " %-21s ", str); 1708 } 1709 1710 struct printer_data { 1711 int line_no; 1712 bool hit_nul; 1713 bool is_printable; 1714 }; 1715 1716 static int sample__fprintf_bpf_output(enum binary_printer_ops op, 1717 unsigned int val, 1718 void *extra, FILE *fp) 1719 { 1720 unsigned char ch = (unsigned char)val; 1721 struct printer_data *printer_data = extra; 1722 int printed = 0; 1723 1724 switch (op) { 1725 case BINARY_PRINT_DATA_BEGIN: 1726 printed += fprintf(fp, "\n"); 1727 break; 1728 case BINARY_PRINT_LINE_BEGIN: 1729 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" : 1730 " "); 1731 break; 1732 case BINARY_PRINT_ADDR: 1733 printed += fprintf(fp, " %04x:", val); 1734 break; 1735 case BINARY_PRINT_NUM_DATA: 1736 printed += fprintf(fp, " %02x", val); 1737 break; 1738 case BINARY_PRINT_NUM_PAD: 1739 printed += fprintf(fp, " "); 1740 break; 1741 case BINARY_PRINT_SEP: 1742 printed += fprintf(fp, " "); 1743 break; 1744 case BINARY_PRINT_CHAR_DATA: 1745 if (printer_data->hit_nul && ch) 1746 printer_data->is_printable = false; 1747 1748 if (!isprint(ch)) { 1749 printed += fprintf(fp, "%c", '.'); 1750 1751 if (!printer_data->is_printable) 1752 break; 1753 1754 if (ch == '\0') 1755 printer_data->hit_nul = true; 1756 else 1757 printer_data->is_printable = false; 1758 } else { 1759 printed += fprintf(fp, "%c", ch); 1760 } 1761 break; 1762 case BINARY_PRINT_CHAR_PAD: 1763 printed += fprintf(fp, " "); 1764 break; 1765 case BINARY_PRINT_LINE_END: 1766 printed += fprintf(fp, "\n"); 1767 printer_data->line_no++; 1768 break; 1769 case BINARY_PRINT_DATA_END: 1770 default: 1771 break; 1772 } 1773 1774 return printed; 1775 } 1776 1777 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp) 1778 { 1779 unsigned int nr_bytes = sample->raw_size; 1780 struct printer_data printer_data = {0, false, true}; 1781 int printed = binary__fprintf(sample->raw_data, nr_bytes, 8, 1782 sample__fprintf_bpf_output, &printer_data, fp); 1783 1784 if (printer_data.is_printable && printer_data.hit_nul) 1785 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data)); 1786 1787 return printed; 1788 } 1789 1790 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp) 1791 { 1792 if (len > 0 && len < spacing) 1793 return fprintf(fp, "%*s", spacing - len, ""); 1794 1795 return 0; 1796 } 1797 1798 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp) 1799 { 1800 return perf_sample__fprintf_spacing(len, 34, fp); 1801 } 1802 1803 /* If a value contains only printable ASCII characters padded with NULLs */ 1804 static bool ptw_is_prt(u64 val) 1805 { 1806 char c; 1807 u32 i; 1808 1809 for (i = 0; i < sizeof(val); i++) { 1810 c = ((char *)&val)[i]; 1811 if (!c) 1812 break; 1813 if (!isprint(c) || !isascii(c)) 1814 return false; 1815 } 1816 for (; i < sizeof(val); i++) { 1817 c = ((char *)&val)[i]; 1818 if (c) 1819 return false; 1820 } 1821 return true; 1822 } 1823 1824 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp) 1825 { 1826 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample); 1827 char str[sizeof(u64) + 1] = ""; 1828 int len; 1829 u64 val; 1830 1831 if (perf_sample__bad_synth_size(sample, *data)) 1832 return 0; 1833 1834 val = le64_to_cpu(data->payload); 1835 if (ptw_is_prt(val)) { 1836 memcpy(str, &val, sizeof(val)); 1837 str[sizeof(val)] = 0; 1838 } 1839 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " %s ", 1840 data->ip, val, str); 1841 return len + perf_sample__fprintf_pt_spacing(len, fp); 1842 } 1843 1844 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp) 1845 { 1846 struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample); 1847 int len; 1848 1849 if (perf_sample__bad_synth_size(sample, *data)) 1850 return 0; 1851 1852 len = fprintf(fp, " hints: %#x extensions: %#x ", 1853 data->hints, data->extensions); 1854 return len + perf_sample__fprintf_pt_spacing(len, fp); 1855 } 1856 1857 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp) 1858 { 1859 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample); 1860 int len; 1861 1862 if (perf_sample__bad_synth_size(sample, *data)) 1863 return 0; 1864 1865 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ", 1866 data->hw, data->cstate, data->subcstate); 1867 return len + perf_sample__fprintf_pt_spacing(len, fp); 1868 } 1869 1870 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp) 1871 { 1872 struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample); 1873 int len; 1874 1875 if (perf_sample__bad_synth_size(sample, *data)) 1876 return 0; 1877 1878 len = fprintf(fp, " IP: %u ", data->ip); 1879 return len + perf_sample__fprintf_pt_spacing(len, fp); 1880 } 1881 1882 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp) 1883 { 1884 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample); 1885 int len; 1886 1887 if (perf_sample__bad_synth_size(sample, *data)) 1888 return 0; 1889 1890 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ", 1891 data->deepest_cstate, data->last_cstate, 1892 data->wake_reason); 1893 return len + perf_sample__fprintf_pt_spacing(len, fp); 1894 } 1895 1896 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp) 1897 { 1898 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample); 1899 unsigned int percent, freq; 1900 int len; 1901 1902 if (perf_sample__bad_synth_size(sample, *data)) 1903 return 0; 1904 1905 freq = (le32_to_cpu(data->freq) + 500) / 1000; 1906 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq); 1907 if (data->max_nonturbo) { 1908 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10; 1909 len += fprintf(fp, "(%3u%%) ", percent); 1910 } 1911 return len + perf_sample__fprintf_pt_spacing(len, fp); 1912 } 1913 1914 static int perf_sample__fprintf_synth_psb(struct perf_sample *sample, FILE *fp) 1915 { 1916 struct perf_synth_intel_psb *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, " psb offs: %#" PRIx64, data->offset); 1923 return len + perf_sample__fprintf_pt_spacing(len, fp); 1924 } 1925 1926 /* Intel PT Event Trace */ 1927 static int perf_sample__fprintf_synth_evt(struct perf_sample *sample, FILE *fp) 1928 { 1929 struct perf_synth_intel_evt *data = perf_sample__synth_ptr(sample); 1930 const char *cfe[32] = {NULL, "INTR", "IRET", "SMI", "RSM", "SIPI", 1931 "INIT", "VMENTRY", "VMEXIT", "VMEXIT_INTR", 1932 "SHUTDOWN", NULL, "UINTR", "UIRET"}; 1933 const char *evd[64] = {"PFA", "VMXQ", "VMXR"}; 1934 const char *s; 1935 int len, i; 1936 1937 if (perf_sample__bad_synth_size(sample, *data)) 1938 return 0; 1939 1940 s = cfe[data->type]; 1941 if (s) { 1942 len = fprintf(fp, " cfe: %s IP: %d vector: %u", 1943 s, data->ip, data->vector); 1944 } else { 1945 len = fprintf(fp, " cfe: %u IP: %d vector: %u", 1946 data->type, data->ip, data->vector); 1947 } 1948 for (i = 0; i < data->evd_cnt; i++) { 1949 unsigned int et = data->evd[i].evd_type & 0x3f; 1950 1951 s = evd[et]; 1952 if (s) { 1953 len += fprintf(fp, " %s: %#" PRIx64, 1954 s, data->evd[i].payload); 1955 } else { 1956 len += fprintf(fp, " EVD_%u: %#" PRIx64, 1957 et, data->evd[i].payload); 1958 } 1959 } 1960 return len + perf_sample__fprintf_pt_spacing(len, fp); 1961 } 1962 1963 static int perf_sample__fprintf_synth_iflag_chg(struct perf_sample *sample, FILE *fp) 1964 { 1965 struct perf_synth_intel_iflag_chg *data = perf_sample__synth_ptr(sample); 1966 int len; 1967 1968 if (perf_sample__bad_synth_size(sample, *data)) 1969 return 0; 1970 1971 len = fprintf(fp, " IFLAG: %d->%d %s branch", !data->iflag, data->iflag, 1972 data->via_branch ? "via" : "non"); 1973 return len + perf_sample__fprintf_pt_spacing(len, fp); 1974 } 1975 1976 static int perf_sample__fprintf_synth(struct perf_sample *sample, 1977 struct evsel *evsel, FILE *fp) 1978 { 1979 switch (evsel->core.attr.config) { 1980 case PERF_SYNTH_INTEL_PTWRITE: 1981 return perf_sample__fprintf_synth_ptwrite(sample, fp); 1982 case PERF_SYNTH_INTEL_MWAIT: 1983 return perf_sample__fprintf_synth_mwait(sample, fp); 1984 case PERF_SYNTH_INTEL_PWRE: 1985 return perf_sample__fprintf_synth_pwre(sample, fp); 1986 case PERF_SYNTH_INTEL_EXSTOP: 1987 return perf_sample__fprintf_synth_exstop(sample, fp); 1988 case PERF_SYNTH_INTEL_PWRX: 1989 return perf_sample__fprintf_synth_pwrx(sample, fp); 1990 case PERF_SYNTH_INTEL_CBR: 1991 return perf_sample__fprintf_synth_cbr(sample, fp); 1992 case PERF_SYNTH_INTEL_PSB: 1993 return perf_sample__fprintf_synth_psb(sample, fp); 1994 case PERF_SYNTH_INTEL_EVT: 1995 return perf_sample__fprintf_synth_evt(sample, fp); 1996 case PERF_SYNTH_INTEL_IFLAG_CHG: 1997 return perf_sample__fprintf_synth_iflag_chg(sample, fp); 1998 default: 1999 break; 2000 } 2001 2002 return 0; 2003 } 2004 2005 static int evlist__max_name_len(struct evlist *evlist) 2006 { 2007 struct evsel *evsel; 2008 int max = 0; 2009 2010 evlist__for_each_entry(evlist, evsel) { 2011 int len = strlen(evsel__name(evsel)); 2012 2013 max = MAX(len, max); 2014 } 2015 2016 return max; 2017 } 2018 2019 static int data_src__fprintf(u64 data_src, FILE *fp) 2020 { 2021 struct mem_info mi = { .data_src.val = data_src }; 2022 char decode[100]; 2023 char out[100]; 2024 static int maxlen; 2025 int len; 2026 2027 perf_script__meminfo_scnprintf(decode, 100, &mi); 2028 2029 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode); 2030 if (maxlen < len) 2031 maxlen = len; 2032 2033 return fprintf(fp, "%-*s", maxlen, out); 2034 } 2035 2036 struct metric_ctx { 2037 struct perf_sample *sample; 2038 struct thread *thread; 2039 struct evsel *evsel; 2040 FILE *fp; 2041 }; 2042 2043 static void script_print_metric(struct perf_stat_config *config __maybe_unused, 2044 void *ctx, const char *color, 2045 const char *fmt, 2046 const char *unit, double val) 2047 { 2048 struct metric_ctx *mctx = ctx; 2049 2050 if (!fmt) 2051 return; 2052 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, 2053 PERF_RECORD_SAMPLE, mctx->fp); 2054 fputs("\tmetric: ", mctx->fp); 2055 if (color) 2056 color_fprintf(mctx->fp, color, fmt, val); 2057 else 2058 printf(fmt, val); 2059 fprintf(mctx->fp, " %s\n", unit); 2060 } 2061 2062 static void script_new_line(struct perf_stat_config *config __maybe_unused, 2063 void *ctx) 2064 { 2065 struct metric_ctx *mctx = ctx; 2066 2067 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, 2068 PERF_RECORD_SAMPLE, mctx->fp); 2069 fputs("\tmetric: ", mctx->fp); 2070 } 2071 2072 static void perf_sample__fprint_metric(struct perf_script *script, 2073 struct thread *thread, 2074 struct evsel *evsel, 2075 struct perf_sample *sample, 2076 FILE *fp) 2077 { 2078 struct evsel *leader = evsel__leader(evsel); 2079 struct perf_stat_output_ctx ctx = { 2080 .print_metric = script_print_metric, 2081 .new_line = script_new_line, 2082 .ctx = &(struct metric_ctx) { 2083 .sample = sample, 2084 .thread = thread, 2085 .evsel = evsel, 2086 .fp = fp, 2087 }, 2088 .force_header = false, 2089 }; 2090 struct evsel *ev2; 2091 u64 val; 2092 2093 if (!evsel->stats) 2094 evlist__alloc_stats(&stat_config, script->session->evlist, /*alloc_raw=*/false); 2095 if (evsel_script(leader)->gnum++ == 0) 2096 perf_stat__reset_shadow_stats(); 2097 val = sample->period * evsel->scale; 2098 evsel_script(evsel)->val = val; 2099 if (evsel_script(leader)->gnum == leader->core.nr_members) { 2100 for_each_group_member (ev2, leader) { 2101 perf_stat__print_shadow_stats(&stat_config, ev2, 2102 evsel_script(ev2)->val, 2103 sample->cpu, 2104 &ctx, 2105 NULL); 2106 } 2107 evsel_script(leader)->gnum = 0; 2108 } 2109 } 2110 2111 static bool show_event(struct perf_sample *sample, 2112 struct evsel *evsel, 2113 struct thread *thread, 2114 struct addr_location *al, 2115 struct addr_location *addr_al) 2116 { 2117 int depth = thread_stack__depth(thread, sample->cpu); 2118 2119 if (!symbol_conf.graph_function) 2120 return true; 2121 2122 if (thread__filter(thread)) { 2123 if (depth <= thread__filter_entry_depth(thread)) { 2124 thread__set_filter(thread, false); 2125 return false; 2126 } 2127 return true; 2128 } else { 2129 const char *s = symbol_conf.graph_function; 2130 u64 ip; 2131 const char *name = resolve_branch_sym(sample, evsel, thread, al, addr_al, 2132 &ip); 2133 unsigned nlen; 2134 2135 if (!name) 2136 return false; 2137 nlen = strlen(name); 2138 while (*s) { 2139 unsigned len = strcspn(s, ","); 2140 if (nlen == len && !strncmp(name, s, len)) { 2141 thread__set_filter(thread, true); 2142 thread__set_filter_entry_depth(thread, depth); 2143 return true; 2144 } 2145 s += len; 2146 if (*s == ',') 2147 s++; 2148 } 2149 return false; 2150 } 2151 } 2152 2153 static void process_event(struct perf_script *script, 2154 struct perf_sample *sample, struct evsel *evsel, 2155 struct addr_location *al, 2156 struct addr_location *addr_al, 2157 struct machine *machine) 2158 { 2159 struct thread *thread = al->thread; 2160 struct perf_event_attr *attr = &evsel->core.attr; 2161 unsigned int type = output_type(attr->type); 2162 struct evsel_script *es = evsel->priv; 2163 FILE *fp = es->fp; 2164 char str[PAGE_SIZE_NAME_LEN]; 2165 const char *arch = perf_env__arch(machine->env); 2166 2167 if (output[type].fields == 0) 2168 return; 2169 2170 ++es->samples; 2171 2172 perf_sample__fprintf_start(script, sample, thread, evsel, 2173 PERF_RECORD_SAMPLE, fp); 2174 2175 if (PRINT_FIELD(PERIOD)) 2176 fprintf(fp, "%10" PRIu64 " ", sample->period); 2177 2178 if (PRINT_FIELD(EVNAME)) { 2179 const char *evname = evsel__name(evsel); 2180 2181 if (!script->name_width) 2182 script->name_width = evlist__max_name_len(script->session->evlist); 2183 2184 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]"); 2185 } 2186 2187 if (print_flags) 2188 perf_sample__fprintf_flags(sample->flags, fp); 2189 2190 if (is_bts_event(attr)) { 2191 perf_sample__fprintf_bts(sample, evsel, thread, al, addr_al, machine, fp); 2192 return; 2193 } 2194 #ifdef HAVE_LIBTRACEEVENT 2195 if (PRINT_FIELD(TRACE) && sample->raw_data) { 2196 event_format__fprintf(evsel->tp_format, sample->cpu, 2197 sample->raw_data, sample->raw_size, fp); 2198 } 2199 #endif 2200 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH)) 2201 perf_sample__fprintf_synth(sample, evsel, fp); 2202 2203 if (PRINT_FIELD(ADDR)) 2204 perf_sample__fprintf_addr(sample, thread, attr, fp); 2205 2206 if (PRINT_FIELD(DATA_SRC)) 2207 data_src__fprintf(sample->data_src, fp); 2208 2209 if (PRINT_FIELD(WEIGHT)) 2210 fprintf(fp, "%16" PRIu64, sample->weight); 2211 2212 if (PRINT_FIELD(INS_LAT)) 2213 fprintf(fp, "%16" PRIu16, sample->ins_lat); 2214 2215 if (PRINT_FIELD(RETIRE_LAT)) 2216 fprintf(fp, "%16" PRIu16, sample->retire_lat); 2217 2218 if (PRINT_FIELD(CGROUP)) { 2219 const char *cgrp_name; 2220 struct cgroup *cgrp = cgroup__find(machine->env, 2221 sample->cgroup); 2222 if (cgrp != NULL) 2223 cgrp_name = cgrp->name; 2224 else 2225 cgrp_name = "unknown"; 2226 fprintf(fp, " %s", cgrp_name); 2227 } 2228 2229 if (PRINT_FIELD(IP)) { 2230 struct callchain_cursor *cursor = NULL; 2231 2232 if (script->stitch_lbr) 2233 thread__set_lbr_stitch_enable(al->thread, true); 2234 2235 if (symbol_conf.use_callchain && sample->callchain) { 2236 cursor = get_tls_callchain_cursor(); 2237 if (thread__resolve_callchain(al->thread, cursor, evsel, 2238 sample, NULL, NULL, 2239 scripting_max_stack)) 2240 cursor = NULL; 2241 } 2242 fputc(cursor ? '\n' : ' ', fp); 2243 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, 2244 symbol_conf.bt_stop_list, fp); 2245 } 2246 2247 if (PRINT_FIELD(IREGS)) 2248 perf_sample__fprintf_iregs(sample, attr, arch, fp); 2249 2250 if (PRINT_FIELD(UREGS)) 2251 perf_sample__fprintf_uregs(sample, attr, arch, fp); 2252 2253 if (PRINT_FIELD(BRSTACK)) 2254 perf_sample__fprintf_brstack(sample, thread, attr, fp); 2255 else if (PRINT_FIELD(BRSTACKSYM)) 2256 perf_sample__fprintf_brstacksym(sample, thread, attr, fp); 2257 else if (PRINT_FIELD(BRSTACKOFF)) 2258 perf_sample__fprintf_brstackoff(sample, thread, attr, fp); 2259 2260 if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT)) 2261 perf_sample__fprintf_bpf_output(sample, fp); 2262 perf_sample__fprintf_insn(sample, attr, thread, machine, fp); 2263 2264 if (PRINT_FIELD(PHYS_ADDR)) 2265 fprintf(fp, "%16" PRIx64, sample->phys_addr); 2266 2267 if (PRINT_FIELD(DATA_PAGE_SIZE)) 2268 fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str)); 2269 2270 if (PRINT_FIELD(CODE_PAGE_SIZE)) 2271 fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str)); 2272 2273 perf_sample__fprintf_ipc(sample, attr, fp); 2274 2275 fprintf(fp, "\n"); 2276 2277 if (PRINT_FIELD(SRCCODE)) { 2278 if (map__fprintf_srccode(al->map, al->addr, stdout, 2279 thread__srccode_state(thread))) 2280 printf("\n"); 2281 } 2282 2283 if (PRINT_FIELD(METRIC)) 2284 perf_sample__fprint_metric(script, thread, evsel, sample, fp); 2285 2286 if (verbose > 0) 2287 fflush(fp); 2288 } 2289 2290 static struct scripting_ops *scripting_ops; 2291 2292 static void __process_stat(struct evsel *counter, u64 tstamp) 2293 { 2294 int nthreads = perf_thread_map__nr(counter->core.threads); 2295 int idx, thread; 2296 struct perf_cpu cpu; 2297 static int header_printed; 2298 2299 if (!header_printed) { 2300 printf("%3s %8s %15s %15s %15s %15s %s\n", 2301 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT"); 2302 header_printed = 1; 2303 } 2304 2305 for (thread = 0; thread < nthreads; thread++) { 2306 perf_cpu_map__for_each_cpu(cpu, idx, evsel__cpus(counter)) { 2307 struct perf_counts_values *counts; 2308 2309 counts = perf_counts(counter->counts, idx, thread); 2310 2311 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n", 2312 cpu.cpu, 2313 perf_thread_map__pid(counter->core.threads, thread), 2314 counts->val, 2315 counts->ena, 2316 counts->run, 2317 tstamp, 2318 evsel__name(counter)); 2319 } 2320 } 2321 } 2322 2323 static void process_stat(struct evsel *counter, u64 tstamp) 2324 { 2325 if (scripting_ops && scripting_ops->process_stat) 2326 scripting_ops->process_stat(&stat_config, counter, tstamp); 2327 else 2328 __process_stat(counter, tstamp); 2329 } 2330 2331 static void process_stat_interval(u64 tstamp) 2332 { 2333 if (scripting_ops && scripting_ops->process_stat_interval) 2334 scripting_ops->process_stat_interval(tstamp); 2335 } 2336 2337 static void setup_scripting(void) 2338 { 2339 #ifdef HAVE_LIBTRACEEVENT 2340 setup_perl_scripting(); 2341 #endif 2342 setup_python_scripting(); 2343 } 2344 2345 static int flush_scripting(void) 2346 { 2347 return scripting_ops ? scripting_ops->flush_script() : 0; 2348 } 2349 2350 static int cleanup_scripting(void) 2351 { 2352 pr_debug("\nperf script stopped\n"); 2353 2354 return scripting_ops ? scripting_ops->stop_script() : 0; 2355 } 2356 2357 static bool filter_cpu(struct perf_sample *sample) 2358 { 2359 if (cpu_list && sample->cpu != (u32)-1) 2360 return !test_bit(sample->cpu, cpu_bitmap); 2361 return false; 2362 } 2363 2364 static int process_sample_event(struct perf_tool *tool, 2365 union perf_event *event, 2366 struct perf_sample *sample, 2367 struct evsel *evsel, 2368 struct machine *machine) 2369 { 2370 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2371 struct addr_location al; 2372 struct addr_location addr_al; 2373 int ret = 0; 2374 2375 /* Set thread to NULL to indicate addr_al and al are not initialized */ 2376 addr_location__init(&al); 2377 addr_location__init(&addr_al); 2378 2379 ret = dlfilter__filter_event_early(dlfilter, event, sample, evsel, machine, &al, &addr_al); 2380 if (ret) { 2381 if (ret > 0) 2382 ret = 0; 2383 goto out_put; 2384 } 2385 2386 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num, 2387 sample->time)) { 2388 goto out_put; 2389 } 2390 2391 if (debug_mode) { 2392 if (sample->time < last_timestamp) { 2393 pr_err("Samples misordered, previous: %" PRIu64 2394 " this: %" PRIu64 "\n", last_timestamp, 2395 sample->time); 2396 nr_unordered++; 2397 } 2398 last_timestamp = sample->time; 2399 goto out_put; 2400 } 2401 2402 if (filter_cpu(sample)) 2403 goto out_put; 2404 2405 if (!al.thread && machine__resolve(machine, &al, sample) < 0) { 2406 pr_err("problem processing %d event, skipping it.\n", 2407 event->header.type); 2408 ret = -1; 2409 goto out_put; 2410 } 2411 2412 if (al.filtered) 2413 goto out_put; 2414 2415 if (!show_event(sample, evsel, al.thread, &al, &addr_al)) 2416 goto out_put; 2417 2418 if (evswitch__discard(&scr->evswitch, evsel)) 2419 goto out_put; 2420 2421 ret = dlfilter__filter_event(dlfilter, event, sample, evsel, machine, &al, &addr_al); 2422 if (ret) { 2423 if (ret > 0) 2424 ret = 0; 2425 goto out_put; 2426 } 2427 2428 if (scripting_ops) { 2429 struct addr_location *addr_al_ptr = NULL; 2430 2431 if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 2432 sample_addr_correlates_sym(&evsel->core.attr)) { 2433 if (!addr_al.thread) 2434 thread__resolve(al.thread, &addr_al, sample); 2435 addr_al_ptr = &addr_al; 2436 } 2437 scripting_ops->process_event(event, sample, evsel, &al, addr_al_ptr); 2438 } else { 2439 process_event(scr, sample, evsel, &al, &addr_al, machine); 2440 } 2441 2442 out_put: 2443 addr_location__exit(&addr_al); 2444 addr_location__exit(&al); 2445 return ret; 2446 } 2447 2448 // Used when scr->per_event_dump is not set 2449 static struct evsel_script es_stdout; 2450 2451 static int process_attr(struct perf_tool *tool, union perf_event *event, 2452 struct evlist **pevlist) 2453 { 2454 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2455 struct evlist *evlist; 2456 struct evsel *evsel, *pos; 2457 u64 sample_type; 2458 int err; 2459 2460 err = perf_event__process_attr(tool, event, pevlist); 2461 if (err) 2462 return err; 2463 2464 evlist = *pevlist; 2465 evsel = evlist__last(*pevlist); 2466 2467 if (!evsel->priv) { 2468 if (scr->per_event_dump) { 2469 evsel->priv = evsel_script__new(evsel, scr->session->data); 2470 if (!evsel->priv) 2471 return -ENOMEM; 2472 } else { // Replicate what is done in perf_script__setup_per_event_dump() 2473 es_stdout.fp = stdout; 2474 evsel->priv = &es_stdout; 2475 } 2476 } 2477 2478 if (evsel->core.attr.type >= PERF_TYPE_MAX && 2479 evsel->core.attr.type != PERF_TYPE_SYNTH) 2480 return 0; 2481 2482 evlist__for_each_entry(evlist, pos) { 2483 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel) 2484 return 0; 2485 } 2486 2487 if (evsel->core.attr.sample_type) { 2488 err = evsel__check_attr(evsel, scr->session); 2489 if (err) 2490 return err; 2491 } 2492 2493 /* 2494 * Check if we need to enable callchains based 2495 * on events sample_type. 2496 */ 2497 sample_type = evlist__combined_sample_type(evlist); 2498 callchain_param_setup(sample_type, perf_env__arch((*pevlist)->env)); 2499 2500 /* Enable fields for callchain entries */ 2501 if (symbol_conf.use_callchain && 2502 (sample_type & PERF_SAMPLE_CALLCHAIN || 2503 sample_type & PERF_SAMPLE_BRANCH_STACK || 2504 (sample_type & PERF_SAMPLE_REGS_USER && 2505 sample_type & PERF_SAMPLE_STACK_USER))) { 2506 int type = output_type(evsel->core.attr.type); 2507 2508 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP)) 2509 output[type].fields |= PERF_OUTPUT_IP; 2510 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM)) 2511 output[type].fields |= PERF_OUTPUT_SYM; 2512 } 2513 set_print_ip_opts(&evsel->core.attr); 2514 return 0; 2515 } 2516 2517 static int print_event_with_time(struct perf_tool *tool, 2518 union perf_event *event, 2519 struct perf_sample *sample, 2520 struct machine *machine, 2521 pid_t pid, pid_t tid, u64 timestamp) 2522 { 2523 struct perf_script *script = container_of(tool, struct perf_script, tool); 2524 struct perf_session *session = script->session; 2525 struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id); 2526 struct thread *thread = NULL; 2527 2528 if (evsel && !evsel->core.attr.sample_id_all) { 2529 sample->cpu = 0; 2530 sample->time = timestamp; 2531 sample->pid = pid; 2532 sample->tid = tid; 2533 } 2534 2535 if (filter_cpu(sample)) 2536 return 0; 2537 2538 if (tid != -1) 2539 thread = machine__findnew_thread(machine, pid, tid); 2540 2541 if (evsel) { 2542 perf_sample__fprintf_start(script, sample, thread, evsel, 2543 event->header.type, stdout); 2544 } 2545 2546 perf_event__fprintf(event, machine, stdout); 2547 2548 thread__put(thread); 2549 2550 return 0; 2551 } 2552 2553 static int print_event(struct perf_tool *tool, union perf_event *event, 2554 struct perf_sample *sample, struct machine *machine, 2555 pid_t pid, pid_t tid) 2556 { 2557 return print_event_with_time(tool, event, sample, machine, pid, tid, 0); 2558 } 2559 2560 static int process_comm_event(struct perf_tool *tool, 2561 union perf_event *event, 2562 struct perf_sample *sample, 2563 struct machine *machine) 2564 { 2565 if (perf_event__process_comm(tool, event, sample, machine) < 0) 2566 return -1; 2567 2568 return print_event(tool, event, sample, machine, event->comm.pid, 2569 event->comm.tid); 2570 } 2571 2572 static int process_namespaces_event(struct perf_tool *tool, 2573 union perf_event *event, 2574 struct perf_sample *sample, 2575 struct machine *machine) 2576 { 2577 if (perf_event__process_namespaces(tool, event, sample, machine) < 0) 2578 return -1; 2579 2580 return print_event(tool, event, sample, machine, event->namespaces.pid, 2581 event->namespaces.tid); 2582 } 2583 2584 static int process_cgroup_event(struct perf_tool *tool, 2585 union perf_event *event, 2586 struct perf_sample *sample, 2587 struct machine *machine) 2588 { 2589 if (perf_event__process_cgroup(tool, event, sample, machine) < 0) 2590 return -1; 2591 2592 return print_event(tool, event, sample, machine, sample->pid, 2593 sample->tid); 2594 } 2595 2596 static int process_fork_event(struct perf_tool *tool, 2597 union perf_event *event, 2598 struct perf_sample *sample, 2599 struct machine *machine) 2600 { 2601 if (perf_event__process_fork(tool, event, sample, machine) < 0) 2602 return -1; 2603 2604 return print_event_with_time(tool, event, sample, machine, 2605 event->fork.pid, event->fork.tid, 2606 event->fork.time); 2607 } 2608 static int process_exit_event(struct perf_tool *tool, 2609 union perf_event *event, 2610 struct perf_sample *sample, 2611 struct machine *machine) 2612 { 2613 /* Print before 'exit' deletes anything */ 2614 if (print_event_with_time(tool, event, sample, machine, event->fork.pid, 2615 event->fork.tid, event->fork.time)) 2616 return -1; 2617 2618 return perf_event__process_exit(tool, event, sample, machine); 2619 } 2620 2621 static int process_mmap_event(struct perf_tool *tool, 2622 union perf_event *event, 2623 struct perf_sample *sample, 2624 struct machine *machine) 2625 { 2626 if (perf_event__process_mmap(tool, event, sample, machine) < 0) 2627 return -1; 2628 2629 return print_event(tool, event, sample, machine, event->mmap.pid, 2630 event->mmap.tid); 2631 } 2632 2633 static int process_mmap2_event(struct perf_tool *tool, 2634 union perf_event *event, 2635 struct perf_sample *sample, 2636 struct machine *machine) 2637 { 2638 if (perf_event__process_mmap2(tool, event, sample, machine) < 0) 2639 return -1; 2640 2641 return print_event(tool, event, sample, machine, event->mmap2.pid, 2642 event->mmap2.tid); 2643 } 2644 2645 static int process_switch_event(struct perf_tool *tool, 2646 union perf_event *event, 2647 struct perf_sample *sample, 2648 struct machine *machine) 2649 { 2650 struct perf_script *script = container_of(tool, struct perf_script, tool); 2651 2652 if (perf_event__process_switch(tool, event, sample, machine) < 0) 2653 return -1; 2654 2655 if (scripting_ops && scripting_ops->process_switch && !filter_cpu(sample)) 2656 scripting_ops->process_switch(event, sample, machine); 2657 2658 if (!script->show_switch_events) 2659 return 0; 2660 2661 return print_event(tool, event, sample, machine, sample->pid, 2662 sample->tid); 2663 } 2664 2665 static int process_auxtrace_error(struct perf_session *session, 2666 union perf_event *event) 2667 { 2668 if (scripting_ops && scripting_ops->process_auxtrace_error) { 2669 scripting_ops->process_auxtrace_error(session, event); 2670 return 0; 2671 } 2672 2673 return perf_event__process_auxtrace_error(session, event); 2674 } 2675 2676 static int 2677 process_lost_event(struct perf_tool *tool, 2678 union perf_event *event, 2679 struct perf_sample *sample, 2680 struct machine *machine) 2681 { 2682 return print_event(tool, event, sample, machine, sample->pid, 2683 sample->tid); 2684 } 2685 2686 static int 2687 process_throttle_event(struct perf_tool *tool __maybe_unused, 2688 union perf_event *event, 2689 struct perf_sample *sample, 2690 struct machine *machine) 2691 { 2692 if (scripting_ops && scripting_ops->process_throttle) 2693 scripting_ops->process_throttle(event, sample, machine); 2694 return 0; 2695 } 2696 2697 static int 2698 process_finished_round_event(struct perf_tool *tool __maybe_unused, 2699 union perf_event *event, 2700 struct ordered_events *oe __maybe_unused) 2701 2702 { 2703 perf_event__fprintf(event, NULL, stdout); 2704 return 0; 2705 } 2706 2707 static int 2708 process_bpf_events(struct perf_tool *tool __maybe_unused, 2709 union perf_event *event, 2710 struct perf_sample *sample, 2711 struct machine *machine) 2712 { 2713 if (machine__process_ksymbol(machine, event, sample) < 0) 2714 return -1; 2715 2716 return print_event(tool, event, sample, machine, sample->pid, 2717 sample->tid); 2718 } 2719 2720 static int process_text_poke_events(struct perf_tool *tool, 2721 union perf_event *event, 2722 struct perf_sample *sample, 2723 struct machine *machine) 2724 { 2725 if (perf_event__process_text_poke(tool, event, sample, machine) < 0) 2726 return -1; 2727 2728 return print_event(tool, event, sample, machine, sample->pid, 2729 sample->tid); 2730 } 2731 2732 static void sig_handler(int sig __maybe_unused) 2733 { 2734 session_done = 1; 2735 } 2736 2737 static void perf_script__fclose_per_event_dump(struct perf_script *script) 2738 { 2739 struct evlist *evlist = script->session->evlist; 2740 struct evsel *evsel; 2741 2742 evlist__for_each_entry(evlist, evsel) { 2743 if (!evsel->priv) 2744 break; 2745 evsel_script__delete(evsel->priv); 2746 evsel->priv = NULL; 2747 } 2748 } 2749 2750 static int perf_script__fopen_per_event_dump(struct perf_script *script) 2751 { 2752 struct evsel *evsel; 2753 2754 evlist__for_each_entry(script->session->evlist, evsel) { 2755 /* 2756 * Already setup? I.e. we may be called twice in cases like 2757 * Intel PT, one for the intel_pt// and dummy events, then 2758 * for the evsels synthesized from the auxtrace info. 2759 * 2760 * Ses perf_script__process_auxtrace_info. 2761 */ 2762 if (evsel->priv != NULL) 2763 continue; 2764 2765 evsel->priv = evsel_script__new(evsel, script->session->data); 2766 if (evsel->priv == NULL) 2767 goto out_err_fclose; 2768 } 2769 2770 return 0; 2771 2772 out_err_fclose: 2773 perf_script__fclose_per_event_dump(script); 2774 return -1; 2775 } 2776 2777 static int perf_script__setup_per_event_dump(struct perf_script *script) 2778 { 2779 struct evsel *evsel; 2780 2781 if (script->per_event_dump) 2782 return perf_script__fopen_per_event_dump(script); 2783 2784 es_stdout.fp = stdout; 2785 2786 evlist__for_each_entry(script->session->evlist, evsel) 2787 evsel->priv = &es_stdout; 2788 2789 return 0; 2790 } 2791 2792 static void perf_script__exit_per_event_dump_stats(struct perf_script *script) 2793 { 2794 struct evsel *evsel; 2795 2796 evlist__for_each_entry(script->session->evlist, evsel) { 2797 struct evsel_script *es = evsel->priv; 2798 2799 evsel_script__fprintf(es, stdout); 2800 evsel_script__delete(es); 2801 evsel->priv = NULL; 2802 } 2803 } 2804 2805 static void perf_script__exit(struct perf_script *script) 2806 { 2807 perf_thread_map__put(script->threads); 2808 perf_cpu_map__put(script->cpus); 2809 } 2810 2811 static int __cmd_script(struct perf_script *script) 2812 { 2813 int ret; 2814 2815 signal(SIGINT, sig_handler); 2816 2817 /* override event processing functions */ 2818 if (script->show_task_events) { 2819 script->tool.comm = process_comm_event; 2820 script->tool.fork = process_fork_event; 2821 script->tool.exit = process_exit_event; 2822 } 2823 if (script->show_mmap_events) { 2824 script->tool.mmap = process_mmap_event; 2825 script->tool.mmap2 = process_mmap2_event; 2826 } 2827 if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch)) 2828 script->tool.context_switch = process_switch_event; 2829 if (scripting_ops && scripting_ops->process_auxtrace_error) 2830 script->tool.auxtrace_error = process_auxtrace_error; 2831 if (script->show_namespace_events) 2832 script->tool.namespaces = process_namespaces_event; 2833 if (script->show_cgroup_events) 2834 script->tool.cgroup = process_cgroup_event; 2835 if (script->show_lost_events) 2836 script->tool.lost = process_lost_event; 2837 if (script->show_round_events) { 2838 script->tool.ordered_events = false; 2839 script->tool.finished_round = process_finished_round_event; 2840 } 2841 if (script->show_bpf_events) { 2842 script->tool.ksymbol = process_bpf_events; 2843 script->tool.bpf = process_bpf_events; 2844 } 2845 if (script->show_text_poke_events) { 2846 script->tool.ksymbol = process_bpf_events; 2847 script->tool.text_poke = process_text_poke_events; 2848 } 2849 2850 if (perf_script__setup_per_event_dump(script)) { 2851 pr_err("Couldn't create the per event dump files\n"); 2852 return -1; 2853 } 2854 2855 ret = perf_session__process_events(script->session); 2856 2857 if (script->per_event_dump) 2858 perf_script__exit_per_event_dump_stats(script); 2859 2860 if (debug_mode) 2861 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); 2862 2863 return ret; 2864 } 2865 2866 struct script_spec { 2867 struct list_head node; 2868 struct scripting_ops *ops; 2869 char spec[]; 2870 }; 2871 2872 static LIST_HEAD(script_specs); 2873 2874 static struct script_spec *script_spec__new(const char *spec, 2875 struct scripting_ops *ops) 2876 { 2877 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); 2878 2879 if (s != NULL) { 2880 strcpy(s->spec, spec); 2881 s->ops = ops; 2882 } 2883 2884 return s; 2885 } 2886 2887 static void script_spec__add(struct script_spec *s) 2888 { 2889 list_add_tail(&s->node, &script_specs); 2890 } 2891 2892 static struct script_spec *script_spec__find(const char *spec) 2893 { 2894 struct script_spec *s; 2895 2896 list_for_each_entry(s, &script_specs, node) 2897 if (strcasecmp(s->spec, spec) == 0) 2898 return s; 2899 return NULL; 2900 } 2901 2902 int script_spec_register(const char *spec, struct scripting_ops *ops) 2903 { 2904 struct script_spec *s; 2905 2906 s = script_spec__find(spec); 2907 if (s) 2908 return -1; 2909 2910 s = script_spec__new(spec, ops); 2911 if (!s) 2912 return -1; 2913 else 2914 script_spec__add(s); 2915 2916 return 0; 2917 } 2918 2919 static struct scripting_ops *script_spec__lookup(const char *spec) 2920 { 2921 struct script_spec *s = script_spec__find(spec); 2922 if (!s) 2923 return NULL; 2924 2925 return s->ops; 2926 } 2927 2928 static void list_available_languages(void) 2929 { 2930 struct script_spec *s; 2931 2932 fprintf(stderr, "\n"); 2933 fprintf(stderr, "Scripting language extensions (used in " 2934 "perf script -s [spec:]script.[spec]):\n\n"); 2935 2936 list_for_each_entry(s, &script_specs, node) 2937 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); 2938 2939 fprintf(stderr, "\n"); 2940 } 2941 2942 /* Find script file relative to current directory or exec path */ 2943 static char *find_script(const char *script) 2944 { 2945 char path[PATH_MAX]; 2946 2947 if (!scripting_ops) { 2948 const char *ext = strrchr(script, '.'); 2949 2950 if (!ext) 2951 return NULL; 2952 2953 scripting_ops = script_spec__lookup(++ext); 2954 if (!scripting_ops) 2955 return NULL; 2956 } 2957 2958 if (access(script, R_OK)) { 2959 char *exec_path = get_argv_exec_path(); 2960 2961 if (!exec_path) 2962 return NULL; 2963 snprintf(path, sizeof(path), "%s/scripts/%s/%s", 2964 exec_path, scripting_ops->dirname, script); 2965 free(exec_path); 2966 script = path; 2967 if (access(script, R_OK)) 2968 return NULL; 2969 } 2970 return strdup(script); 2971 } 2972 2973 static int parse_scriptname(const struct option *opt __maybe_unused, 2974 const char *str, int unset __maybe_unused) 2975 { 2976 char spec[PATH_MAX]; 2977 const char *script, *ext; 2978 int len; 2979 2980 if (strcmp(str, "lang") == 0) { 2981 list_available_languages(); 2982 exit(0); 2983 } 2984 2985 script = strchr(str, ':'); 2986 if (script) { 2987 len = script - str; 2988 if (len >= PATH_MAX) { 2989 fprintf(stderr, "invalid language specifier"); 2990 return -1; 2991 } 2992 strncpy(spec, str, len); 2993 spec[len] = '\0'; 2994 scripting_ops = script_spec__lookup(spec); 2995 if (!scripting_ops) { 2996 fprintf(stderr, "invalid language specifier"); 2997 return -1; 2998 } 2999 script++; 3000 } else { 3001 script = str; 3002 ext = strrchr(script, '.'); 3003 if (!ext) { 3004 fprintf(stderr, "invalid script extension"); 3005 return -1; 3006 } 3007 scripting_ops = script_spec__lookup(++ext); 3008 if (!scripting_ops) { 3009 fprintf(stderr, "invalid script extension"); 3010 return -1; 3011 } 3012 } 3013 3014 script_name = find_script(script); 3015 if (!script_name) 3016 script_name = strdup(script); 3017 3018 return 0; 3019 } 3020 3021 static int parse_output_fields(const struct option *opt __maybe_unused, 3022 const char *arg, int unset __maybe_unused) 3023 { 3024 char *tok, *strtok_saveptr = NULL; 3025 int i, imax = ARRAY_SIZE(all_output_options); 3026 int j; 3027 int rc = 0; 3028 char *str = strdup(arg); 3029 int type = -1; 3030 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT; 3031 3032 if (!str) 3033 return -ENOMEM; 3034 3035 /* first word can state for which event type the user is specifying 3036 * the fields. If no type exists, the specified fields apply to all 3037 * event types found in the file minus the invalid fields for a type. 3038 */ 3039 tok = strchr(str, ':'); 3040 if (tok) { 3041 *tok = '\0'; 3042 tok++; 3043 if (!strcmp(str, "hw")) 3044 type = PERF_TYPE_HARDWARE; 3045 else if (!strcmp(str, "sw")) 3046 type = PERF_TYPE_SOFTWARE; 3047 else if (!strcmp(str, "trace")) 3048 type = PERF_TYPE_TRACEPOINT; 3049 else if (!strcmp(str, "raw")) 3050 type = PERF_TYPE_RAW; 3051 else if (!strcmp(str, "break")) 3052 type = PERF_TYPE_BREAKPOINT; 3053 else if (!strcmp(str, "synth")) 3054 type = OUTPUT_TYPE_SYNTH; 3055 else { 3056 fprintf(stderr, "Invalid event type in field string.\n"); 3057 rc = -EINVAL; 3058 goto out; 3059 } 3060 3061 if (output[type].user_set) 3062 pr_warning("Overriding previous field request for %s events.\n", 3063 event_type(type)); 3064 3065 /* Don't override defaults for +- */ 3066 if (strchr(tok, '+') || strchr(tok, '-')) 3067 goto parse; 3068 3069 output[type].fields = 0; 3070 output[type].user_set = true; 3071 output[type].wildcard_set = false; 3072 3073 } else { 3074 tok = str; 3075 if (strlen(str) == 0) { 3076 fprintf(stderr, 3077 "Cannot set fields to 'none' for all event types.\n"); 3078 rc = -EINVAL; 3079 goto out; 3080 } 3081 3082 /* Don't override defaults for +- */ 3083 if (strchr(str, '+') || strchr(str, '-')) 3084 goto parse; 3085 3086 if (output_set_by_user()) 3087 pr_warning("Overriding previous field request for all events.\n"); 3088 3089 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 3090 output[j].fields = 0; 3091 output[j].user_set = true; 3092 output[j].wildcard_set = true; 3093 } 3094 } 3095 3096 parse: 3097 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) { 3098 if (*tok == '+') { 3099 if (change == SET) 3100 goto out_badmix; 3101 change = ADD; 3102 tok++; 3103 } else if (*tok == '-') { 3104 if (change == SET) 3105 goto out_badmix; 3106 change = REMOVE; 3107 tok++; 3108 } else { 3109 if (change != SET && change != DEFAULT) 3110 goto out_badmix; 3111 change = SET; 3112 } 3113 3114 for (i = 0; i < imax; ++i) { 3115 if (strcmp(tok, all_output_options[i].str) == 0) 3116 break; 3117 } 3118 if (i == imax && strcmp(tok, "flags") == 0) { 3119 print_flags = change != REMOVE; 3120 continue; 3121 } 3122 if (i == imax) { 3123 fprintf(stderr, "Invalid field requested.\n"); 3124 rc = -EINVAL; 3125 goto out; 3126 } 3127 #ifndef HAVE_LIBCAPSTONE_SUPPORT 3128 if (change != REMOVE && strcmp(tok, "disasm") == 0) { 3129 fprintf(stderr, "Field \"disasm\" requires perf to be built with libcapstone support.\n"); 3130 rc = -EINVAL; 3131 goto out; 3132 } 3133 #endif 3134 3135 if (type == -1) { 3136 /* add user option to all events types for 3137 * which it is valid 3138 */ 3139 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 3140 if (output[j].invalid_fields & all_output_options[i].field) { 3141 pr_warning("\'%s\' not valid for %s events. Ignoring.\n", 3142 all_output_options[i].str, event_type(j)); 3143 } else { 3144 if (change == REMOVE) { 3145 output[j].fields &= ~all_output_options[i].field; 3146 output[j].user_set_fields &= ~all_output_options[i].field; 3147 output[j].user_unset_fields |= all_output_options[i].field; 3148 } else { 3149 output[j].fields |= all_output_options[i].field; 3150 output[j].user_set_fields |= all_output_options[i].field; 3151 output[j].user_unset_fields &= ~all_output_options[i].field; 3152 } 3153 output[j].user_set = true; 3154 output[j].wildcard_set = true; 3155 } 3156 } 3157 } else { 3158 if (output[type].invalid_fields & all_output_options[i].field) { 3159 fprintf(stderr, "\'%s\' not valid for %s events.\n", 3160 all_output_options[i].str, event_type(type)); 3161 3162 rc = -EINVAL; 3163 goto out; 3164 } 3165 if (change == REMOVE) 3166 output[type].fields &= ~all_output_options[i].field; 3167 else 3168 output[type].fields |= all_output_options[i].field; 3169 output[type].user_set = true; 3170 output[type].wildcard_set = true; 3171 } 3172 } 3173 3174 if (type >= 0) { 3175 if (output[type].fields == 0) { 3176 pr_debug("No fields requested for %s type. " 3177 "Events will not be displayed.\n", event_type(type)); 3178 } 3179 } 3180 goto out; 3181 3182 out_badmix: 3183 fprintf(stderr, "Cannot mix +-field with overridden fields\n"); 3184 rc = -EINVAL; 3185 out: 3186 free(str); 3187 return rc; 3188 } 3189 3190 #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \ 3191 while ((lang_dirent = readdir(scripts_dir)) != NULL) \ 3192 if ((lang_dirent->d_type == DT_DIR || \ 3193 (lang_dirent->d_type == DT_UNKNOWN && \ 3194 is_directory(scripts_path, lang_dirent))) && \ 3195 (strcmp(lang_dirent->d_name, ".")) && \ 3196 (strcmp(lang_dirent->d_name, ".."))) 3197 3198 #define for_each_script(lang_path, lang_dir, script_dirent) \ 3199 while ((script_dirent = readdir(lang_dir)) != NULL) \ 3200 if (script_dirent->d_type != DT_DIR && \ 3201 (script_dirent->d_type != DT_UNKNOWN || \ 3202 !is_directory(lang_path, script_dirent))) 3203 3204 3205 #define RECORD_SUFFIX "-record" 3206 #define REPORT_SUFFIX "-report" 3207 3208 struct script_desc { 3209 struct list_head node; 3210 char *name; 3211 char *half_liner; 3212 char *args; 3213 }; 3214 3215 static LIST_HEAD(script_descs); 3216 3217 static struct script_desc *script_desc__new(const char *name) 3218 { 3219 struct script_desc *s = zalloc(sizeof(*s)); 3220 3221 if (s != NULL && name) 3222 s->name = strdup(name); 3223 3224 return s; 3225 } 3226 3227 static void script_desc__delete(struct script_desc *s) 3228 { 3229 zfree(&s->name); 3230 zfree(&s->half_liner); 3231 zfree(&s->args); 3232 free(s); 3233 } 3234 3235 static void script_desc__add(struct script_desc *s) 3236 { 3237 list_add_tail(&s->node, &script_descs); 3238 } 3239 3240 static struct script_desc *script_desc__find(const char *name) 3241 { 3242 struct script_desc *s; 3243 3244 list_for_each_entry(s, &script_descs, node) 3245 if (strcasecmp(s->name, name) == 0) 3246 return s; 3247 return NULL; 3248 } 3249 3250 static struct script_desc *script_desc__findnew(const char *name) 3251 { 3252 struct script_desc *s = script_desc__find(name); 3253 3254 if (s) 3255 return s; 3256 3257 s = script_desc__new(name); 3258 if (!s) 3259 return NULL; 3260 3261 script_desc__add(s); 3262 3263 return s; 3264 } 3265 3266 static const char *ends_with(const char *str, const char *suffix) 3267 { 3268 size_t suffix_len = strlen(suffix); 3269 const char *p = str; 3270 3271 if (strlen(str) > suffix_len) { 3272 p = str + strlen(str) - suffix_len; 3273 if (!strncmp(p, suffix, suffix_len)) 3274 return p; 3275 } 3276 3277 return NULL; 3278 } 3279 3280 static int read_script_info(struct script_desc *desc, const char *filename) 3281 { 3282 char line[BUFSIZ], *p; 3283 FILE *fp; 3284 3285 fp = fopen(filename, "r"); 3286 if (!fp) 3287 return -1; 3288 3289 while (fgets(line, sizeof(line), fp)) { 3290 p = skip_spaces(line); 3291 if (strlen(p) == 0) 3292 continue; 3293 if (*p != '#') 3294 continue; 3295 p++; 3296 if (strlen(p) && *p == '!') 3297 continue; 3298 3299 p = skip_spaces(p); 3300 if (strlen(p) && p[strlen(p) - 1] == '\n') 3301 p[strlen(p) - 1] = '\0'; 3302 3303 if (!strncmp(p, "description:", strlen("description:"))) { 3304 p += strlen("description:"); 3305 desc->half_liner = strdup(skip_spaces(p)); 3306 continue; 3307 } 3308 3309 if (!strncmp(p, "args:", strlen("args:"))) { 3310 p += strlen("args:"); 3311 desc->args = strdup(skip_spaces(p)); 3312 continue; 3313 } 3314 } 3315 3316 fclose(fp); 3317 3318 return 0; 3319 } 3320 3321 static char *get_script_root(struct dirent *script_dirent, const char *suffix) 3322 { 3323 char *script_root, *str; 3324 3325 script_root = strdup(script_dirent->d_name); 3326 if (!script_root) 3327 return NULL; 3328 3329 str = (char *)ends_with(script_root, suffix); 3330 if (!str) { 3331 free(script_root); 3332 return NULL; 3333 } 3334 3335 *str = '\0'; 3336 return script_root; 3337 } 3338 3339 static int list_available_scripts(const struct option *opt __maybe_unused, 3340 const char *s __maybe_unused, 3341 int unset __maybe_unused) 3342 { 3343 struct dirent *script_dirent, *lang_dirent; 3344 char *buf, *scripts_path, *script_path, *lang_path, *first_half; 3345 DIR *scripts_dir, *lang_dir; 3346 struct script_desc *desc; 3347 char *script_root; 3348 3349 buf = malloc(3 * MAXPATHLEN + BUFSIZ); 3350 if (!buf) { 3351 pr_err("malloc failed\n"); 3352 exit(-1); 3353 } 3354 scripts_path = buf; 3355 script_path = buf + MAXPATHLEN; 3356 lang_path = buf + 2 * MAXPATHLEN; 3357 first_half = buf + 3 * MAXPATHLEN; 3358 3359 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3360 3361 scripts_dir = opendir(scripts_path); 3362 if (!scripts_dir) { 3363 fprintf(stdout, 3364 "open(%s) failed.\n" 3365 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n", 3366 scripts_path); 3367 free(buf); 3368 exit(-1); 3369 } 3370 3371 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3372 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3373 lang_dirent->d_name); 3374 lang_dir = opendir(lang_path); 3375 if (!lang_dir) 3376 continue; 3377 3378 for_each_script(lang_path, lang_dir, script_dirent) { 3379 script_root = get_script_root(script_dirent, REPORT_SUFFIX); 3380 if (script_root) { 3381 desc = script_desc__findnew(script_root); 3382 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3383 lang_path, script_dirent->d_name); 3384 read_script_info(desc, script_path); 3385 free(script_root); 3386 } 3387 } 3388 } 3389 3390 fprintf(stdout, "List of available trace scripts:\n"); 3391 list_for_each_entry(desc, &script_descs, node) { 3392 sprintf(first_half, "%s %s", desc->name, 3393 desc->args ? desc->args : ""); 3394 fprintf(stdout, " %-36s %s\n", first_half, 3395 desc->half_liner ? desc->half_liner : ""); 3396 } 3397 3398 free(buf); 3399 exit(0); 3400 } 3401 3402 static int add_dlarg(const struct option *opt __maybe_unused, 3403 const char *s, int unset __maybe_unused) 3404 { 3405 char *arg = strdup(s); 3406 void *a; 3407 3408 if (!arg) 3409 return -1; 3410 3411 a = realloc(dlargv, sizeof(dlargv[0]) * (dlargc + 1)); 3412 if (!a) { 3413 free(arg); 3414 return -1; 3415 } 3416 3417 dlargv = a; 3418 dlargv[dlargc++] = arg; 3419 3420 return 0; 3421 } 3422 3423 static void free_dlarg(void) 3424 { 3425 while (dlargc--) 3426 free(dlargv[dlargc]); 3427 free(dlargv); 3428 } 3429 3430 /* 3431 * Some scripts specify the required events in their "xxx-record" file, 3432 * this function will check if the events in perf.data match those 3433 * mentioned in the "xxx-record". 3434 * 3435 * Fixme: All existing "xxx-record" are all in good formats "-e event ", 3436 * which is covered well now. And new parsing code should be added to 3437 * cover the future complex formats like event groups etc. 3438 */ 3439 static int check_ev_match(char *dir_name, char *scriptname, 3440 struct perf_session *session) 3441 { 3442 char filename[MAXPATHLEN], evname[128]; 3443 char line[BUFSIZ], *p; 3444 struct evsel *pos; 3445 int match, len; 3446 FILE *fp; 3447 3448 scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname); 3449 3450 fp = fopen(filename, "r"); 3451 if (!fp) 3452 return -1; 3453 3454 while (fgets(line, sizeof(line), fp)) { 3455 p = skip_spaces(line); 3456 if (*p == '#') 3457 continue; 3458 3459 while (strlen(p)) { 3460 p = strstr(p, "-e"); 3461 if (!p) 3462 break; 3463 3464 p += 2; 3465 p = skip_spaces(p); 3466 len = strcspn(p, " \t"); 3467 if (!len) 3468 break; 3469 3470 snprintf(evname, len + 1, "%s", p); 3471 3472 match = 0; 3473 evlist__for_each_entry(session->evlist, pos) { 3474 if (!strcmp(evsel__name(pos), evname)) { 3475 match = 1; 3476 break; 3477 } 3478 } 3479 3480 if (!match) { 3481 fclose(fp); 3482 return -1; 3483 } 3484 } 3485 } 3486 3487 fclose(fp); 3488 return 0; 3489 } 3490 3491 /* 3492 * Return -1 if none is found, otherwise the actual scripts number. 3493 * 3494 * Currently the only user of this function is the script browser, which 3495 * will list all statically runnable scripts, select one, execute it and 3496 * show the output in a perf browser. 3497 */ 3498 int find_scripts(char **scripts_array, char **scripts_path_array, int num, 3499 int pathlen) 3500 { 3501 struct dirent *script_dirent, *lang_dirent; 3502 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; 3503 DIR *scripts_dir, *lang_dir; 3504 struct perf_session *session; 3505 struct perf_data data = { 3506 .path = input_name, 3507 .mode = PERF_DATA_MODE_READ, 3508 }; 3509 char *temp; 3510 int i = 0; 3511 3512 session = perf_session__new(&data, NULL); 3513 if (IS_ERR(session)) 3514 return PTR_ERR(session); 3515 3516 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3517 3518 scripts_dir = opendir(scripts_path); 3519 if (!scripts_dir) { 3520 perf_session__delete(session); 3521 return -1; 3522 } 3523 3524 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3525 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, 3526 lang_dirent->d_name); 3527 #ifndef HAVE_LIBPERL_SUPPORT 3528 if (strstr(lang_path, "perl")) 3529 continue; 3530 #endif 3531 #ifndef HAVE_LIBPYTHON_SUPPORT 3532 if (strstr(lang_path, "python")) 3533 continue; 3534 #endif 3535 3536 lang_dir = opendir(lang_path); 3537 if (!lang_dir) 3538 continue; 3539 3540 for_each_script(lang_path, lang_dir, script_dirent) { 3541 /* Skip those real time scripts: xxxtop.p[yl] */ 3542 if (strstr(script_dirent->d_name, "top.")) 3543 continue; 3544 if (i >= num) 3545 break; 3546 snprintf(scripts_path_array[i], pathlen, "%s/%s", 3547 lang_path, 3548 script_dirent->d_name); 3549 temp = strchr(script_dirent->d_name, '.'); 3550 snprintf(scripts_array[i], 3551 (temp - script_dirent->d_name) + 1, 3552 "%s", script_dirent->d_name); 3553 3554 if (check_ev_match(lang_path, 3555 scripts_array[i], session)) 3556 continue; 3557 3558 i++; 3559 } 3560 closedir(lang_dir); 3561 } 3562 3563 closedir(scripts_dir); 3564 perf_session__delete(session); 3565 return i; 3566 } 3567 3568 static char *get_script_path(const char *script_root, const char *suffix) 3569 { 3570 struct dirent *script_dirent, *lang_dirent; 3571 char scripts_path[MAXPATHLEN]; 3572 char script_path[MAXPATHLEN]; 3573 DIR *scripts_dir, *lang_dir; 3574 char lang_path[MAXPATHLEN]; 3575 char *__script_root; 3576 3577 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3578 3579 scripts_dir = opendir(scripts_path); 3580 if (!scripts_dir) 3581 return NULL; 3582 3583 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3584 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3585 lang_dirent->d_name); 3586 lang_dir = opendir(lang_path); 3587 if (!lang_dir) 3588 continue; 3589 3590 for_each_script(lang_path, lang_dir, script_dirent) { 3591 __script_root = get_script_root(script_dirent, suffix); 3592 if (__script_root && !strcmp(script_root, __script_root)) { 3593 free(__script_root); 3594 closedir(scripts_dir); 3595 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3596 lang_path, script_dirent->d_name); 3597 closedir(lang_dir); 3598 return strdup(script_path); 3599 } 3600 free(__script_root); 3601 } 3602 closedir(lang_dir); 3603 } 3604 closedir(scripts_dir); 3605 3606 return NULL; 3607 } 3608 3609 static bool is_top_script(const char *script_path) 3610 { 3611 return ends_with(script_path, "top") != NULL; 3612 } 3613 3614 static int has_required_arg(char *script_path) 3615 { 3616 struct script_desc *desc; 3617 int n_args = 0; 3618 char *p; 3619 3620 desc = script_desc__new(NULL); 3621 3622 if (read_script_info(desc, script_path)) 3623 goto out; 3624 3625 if (!desc->args) 3626 goto out; 3627 3628 for (p = desc->args; *p; p++) 3629 if (*p == '<') 3630 n_args++; 3631 out: 3632 script_desc__delete(desc); 3633 3634 return n_args; 3635 } 3636 3637 static int have_cmd(int argc, const char **argv) 3638 { 3639 char **__argv = malloc(sizeof(const char *) * argc); 3640 3641 if (!__argv) { 3642 pr_err("malloc failed\n"); 3643 return -1; 3644 } 3645 3646 memcpy(__argv, argv, sizeof(const char *) * argc); 3647 argc = parse_options(argc, (const char **)__argv, record_options, 3648 NULL, PARSE_OPT_STOP_AT_NON_OPTION); 3649 free(__argv); 3650 3651 system_wide = (argc == 0); 3652 3653 return 0; 3654 } 3655 3656 static void script__setup_sample_type(struct perf_script *script) 3657 { 3658 struct perf_session *session = script->session; 3659 u64 sample_type = evlist__combined_sample_type(session->evlist); 3660 3661 callchain_param_setup(sample_type, perf_env__arch(session->machines.host.env)); 3662 3663 if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) { 3664 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n" 3665 "Please apply --call-graph lbr when recording.\n"); 3666 script->stitch_lbr = false; 3667 } 3668 } 3669 3670 static int process_stat_round_event(struct perf_session *session, 3671 union perf_event *event) 3672 { 3673 struct perf_record_stat_round *round = &event->stat_round; 3674 struct evsel *counter; 3675 3676 evlist__for_each_entry(session->evlist, counter) { 3677 perf_stat_process_counter(&stat_config, counter); 3678 process_stat(counter, round->time); 3679 } 3680 3681 process_stat_interval(round->time); 3682 return 0; 3683 } 3684 3685 static int process_stat_config_event(struct perf_session *session __maybe_unused, 3686 union perf_event *event) 3687 { 3688 perf_event__read_stat_config(&stat_config, &event->stat_config); 3689 3690 /* 3691 * Aggregation modes are not used since post-processing scripts are 3692 * supposed to take care of such requirements 3693 */ 3694 stat_config.aggr_mode = AGGR_NONE; 3695 3696 return 0; 3697 } 3698 3699 static int set_maps(struct perf_script *script) 3700 { 3701 struct evlist *evlist = script->session->evlist; 3702 3703 if (!script->cpus || !script->threads) 3704 return 0; 3705 3706 if (WARN_ONCE(script->allocated, "stats double allocation\n")) 3707 return -EINVAL; 3708 3709 perf_evlist__set_maps(&evlist->core, script->cpus, script->threads); 3710 3711 if (evlist__alloc_stats(&stat_config, evlist, /*alloc_raw=*/true)) 3712 return -ENOMEM; 3713 3714 script->allocated = true; 3715 return 0; 3716 } 3717 3718 static 3719 int process_thread_map_event(struct perf_session *session, 3720 union perf_event *event) 3721 { 3722 struct perf_tool *tool = session->tool; 3723 struct perf_script *script = container_of(tool, struct perf_script, tool); 3724 3725 if (dump_trace) 3726 perf_event__fprintf_thread_map(event, stdout); 3727 3728 if (script->threads) { 3729 pr_warning("Extra thread map event, ignoring.\n"); 3730 return 0; 3731 } 3732 3733 script->threads = thread_map__new_event(&event->thread_map); 3734 if (!script->threads) 3735 return -ENOMEM; 3736 3737 return set_maps(script); 3738 } 3739 3740 static 3741 int process_cpu_map_event(struct perf_session *session, 3742 union perf_event *event) 3743 { 3744 struct perf_tool *tool = session->tool; 3745 struct perf_script *script = container_of(tool, struct perf_script, tool); 3746 3747 if (dump_trace) 3748 perf_event__fprintf_cpu_map(event, stdout); 3749 3750 if (script->cpus) { 3751 pr_warning("Extra cpu map event, ignoring.\n"); 3752 return 0; 3753 } 3754 3755 script->cpus = cpu_map__new_data(&event->cpu_map.data); 3756 if (!script->cpus) 3757 return -ENOMEM; 3758 3759 return set_maps(script); 3760 } 3761 3762 static int process_feature_event(struct perf_session *session, 3763 union perf_event *event) 3764 { 3765 if (event->feat.feat_id < HEADER_LAST_FEATURE) 3766 return perf_event__process_feature(session, event); 3767 return 0; 3768 } 3769 3770 #ifdef HAVE_AUXTRACE_SUPPORT 3771 static int perf_script__process_auxtrace_info(struct perf_session *session, 3772 union perf_event *event) 3773 { 3774 struct perf_tool *tool = session->tool; 3775 3776 int ret = perf_event__process_auxtrace_info(session, event); 3777 3778 if (ret == 0) { 3779 struct perf_script *script = container_of(tool, struct perf_script, tool); 3780 3781 ret = perf_script__setup_per_event_dump(script); 3782 } 3783 3784 return ret; 3785 } 3786 #else 3787 #define perf_script__process_auxtrace_info 0 3788 #endif 3789 3790 static int parse_insn_trace(const struct option *opt __maybe_unused, 3791 const char *str, int unset __maybe_unused) 3792 { 3793 const char *fields = "+insn,-event,-period"; 3794 int ret; 3795 3796 if (str) { 3797 if (strcmp(str, "disasm") == 0) 3798 fields = "+disasm,-event,-period"; 3799 else if (strlen(str) != 0 && strcmp(str, "raw") != 0) { 3800 fprintf(stderr, "Only accept raw|disasm\n"); 3801 return -EINVAL; 3802 } 3803 } 3804 3805 ret = parse_output_fields(NULL, fields, 0); 3806 if (ret < 0) 3807 return ret; 3808 3809 itrace_parse_synth_opts(opt, "i0ns", 0); 3810 symbol_conf.nanosecs = true; 3811 return 0; 3812 } 3813 3814 static int parse_xed(const struct option *opt __maybe_unused, 3815 const char *str __maybe_unused, 3816 int unset __maybe_unused) 3817 { 3818 if (isatty(1)) 3819 force_pager("xed -F insn: -A -64 | less"); 3820 else 3821 force_pager("xed -F insn: -A -64"); 3822 return 0; 3823 } 3824 3825 static int parse_call_trace(const struct option *opt __maybe_unused, 3826 const char *str __maybe_unused, 3827 int unset __maybe_unused) 3828 { 3829 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0); 3830 itrace_parse_synth_opts(opt, "cewp", 0); 3831 symbol_conf.nanosecs = true; 3832 symbol_conf.pad_output_len_dso = 50; 3833 return 0; 3834 } 3835 3836 static int parse_callret_trace(const struct option *opt __maybe_unused, 3837 const char *str __maybe_unused, 3838 int unset __maybe_unused) 3839 { 3840 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0); 3841 itrace_parse_synth_opts(opt, "crewp", 0); 3842 symbol_conf.nanosecs = true; 3843 return 0; 3844 } 3845 3846 int cmd_script(int argc, const char **argv) 3847 { 3848 bool show_full_info = false; 3849 bool header = false; 3850 bool header_only = false; 3851 bool script_started = false; 3852 bool unsorted_dump = false; 3853 char *rec_script_path = NULL; 3854 char *rep_script_path = NULL; 3855 struct perf_session *session; 3856 struct itrace_synth_opts itrace_synth_opts = { 3857 .set = false, 3858 .default_no_sample = true, 3859 }; 3860 struct utsname uts; 3861 char *script_path = NULL; 3862 const char *dlfilter_file = NULL; 3863 const char **__argv; 3864 int i, j, err = 0; 3865 struct perf_script script = { 3866 .tool = { 3867 .sample = process_sample_event, 3868 .mmap = perf_event__process_mmap, 3869 .mmap2 = perf_event__process_mmap2, 3870 .comm = perf_event__process_comm, 3871 .namespaces = perf_event__process_namespaces, 3872 .cgroup = perf_event__process_cgroup, 3873 .exit = perf_event__process_exit, 3874 .fork = perf_event__process_fork, 3875 .attr = process_attr, 3876 .event_update = perf_event__process_event_update, 3877 #ifdef HAVE_LIBTRACEEVENT 3878 .tracing_data = perf_event__process_tracing_data, 3879 #endif 3880 .feature = process_feature_event, 3881 .build_id = perf_event__process_build_id, 3882 .id_index = perf_event__process_id_index, 3883 .auxtrace_info = perf_script__process_auxtrace_info, 3884 .auxtrace = perf_event__process_auxtrace, 3885 .auxtrace_error = perf_event__process_auxtrace_error, 3886 .stat = perf_event__process_stat_event, 3887 .stat_round = process_stat_round_event, 3888 .stat_config = process_stat_config_event, 3889 .thread_map = process_thread_map_event, 3890 .cpu_map = process_cpu_map_event, 3891 .throttle = process_throttle_event, 3892 .unthrottle = process_throttle_event, 3893 .ordered_events = true, 3894 .ordering_requires_timestamps = true, 3895 }, 3896 }; 3897 struct perf_data data = { 3898 .mode = PERF_DATA_MODE_READ, 3899 }; 3900 const struct option options[] = { 3901 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 3902 "dump raw trace in ASCII"), 3903 OPT_BOOLEAN(0, "dump-unsorted-raw-trace", &unsorted_dump, 3904 "dump unsorted raw trace in ASCII"), 3905 OPT_INCR('v', "verbose", &verbose, 3906 "be more verbose (show symbol address, etc)"), 3907 OPT_BOOLEAN('L', "Latency", &latency_format, 3908 "show latency attributes (irqs/preemption disabled, etc)"), 3909 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", 3910 list_available_scripts), 3911 OPT_CALLBACK_NOOPT(0, "list-dlfilters", NULL, NULL, "list available dlfilters", 3912 list_available_dlfilters), 3913 OPT_CALLBACK('s', "script", NULL, "name", 3914 "script file name (lang:script name, script name, or *)", 3915 parse_scriptname), 3916 OPT_STRING('g', "gen-script", &generate_script_lang, "lang", 3917 "generate perf-script.xx script in specified language"), 3918 OPT_STRING(0, "dlfilter", &dlfilter_file, "file", "filter .so file name"), 3919 OPT_CALLBACK(0, "dlarg", NULL, "argument", "filter argument", 3920 add_dlarg), 3921 OPT_STRING('i', "input", &input_name, "file", "input file name"), 3922 OPT_BOOLEAN('d', "debug-mode", &debug_mode, 3923 "do various checks like samples ordering and lost events"), 3924 OPT_BOOLEAN(0, "header", &header, "Show data header."), 3925 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."), 3926 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 3927 "file", "vmlinux pathname"), 3928 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 3929 "file", "kallsyms pathname"), 3930 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, 3931 "When printing symbols do not display call chain"), 3932 OPT_CALLBACK(0, "symfs", NULL, "directory", 3933 "Look for files with symbols relative to this directory", 3934 symbol__config_symfs), 3935 OPT_CALLBACK('F', "fields", NULL, "str", 3936 "comma separated output fields prepend with 'type:'. " 3937 "+field to add and -field to remove." 3938 "Valid types: hw,sw,trace,raw,synth. " 3939 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,dsoff," 3940 "addr,symoff,srcline,period,iregs,uregs,brstack," 3941 "brstacksym,flags,data_src,weight,bpf-output,brstackinsn," 3942 "brstackinsnlen,brstackoff,callindent,insn,disasm,insnlen,synth," 3943 "phys_addr,metric,misc,srccode,ipc,tod,data_page_size," 3944 "code_page_size,ins_lat,machine_pid,vcpu,cgroup,retire_lat", 3945 parse_output_fields), 3946 OPT_BOOLEAN('a', "all-cpus", &system_wide, 3947 "system-wide collection from all CPUs"), 3948 OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", 3949 "only consider symbols in these DSOs"), 3950 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 3951 "only consider these symbols"), 3952 OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range, 3953 "Use with -S to list traced records within address range"), 3954 OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, "raw|disasm", 3955 "Decode instructions from itrace", parse_insn_trace), 3956 OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL, 3957 "Run xed disassembler on output", parse_xed), 3958 OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL, 3959 "Decode calls from itrace", parse_call_trace), 3960 OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL, 3961 "Decode calls and returns from itrace", parse_callret_trace), 3962 OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]", 3963 "Only print symbols and callees with --call-trace/--call-ret-trace"), 3964 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]", 3965 "Stop display of callgraph at these symbols"), 3966 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), 3967 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 3968 "only display events for these comms"), 3969 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 3970 "only consider symbols in these pids"), 3971 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 3972 "only consider symbols in these tids"), 3973 OPT_UINTEGER(0, "max-stack", &scripting_max_stack, 3974 "Set the maximum stack depth when parsing the callchain, " 3975 "anything beyond the specified depth will be ignored. " 3976 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 3977 OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"), 3978 OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"), 3979 OPT_BOOLEAN('I', "show-info", &show_full_info, 3980 "display extended information from perf.data file"), 3981 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, 3982 "Show the path of [kernel.kallsyms]"), 3983 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, 3984 "Show the fork/comm/exit events"), 3985 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, 3986 "Show the mmap events"), 3987 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events, 3988 "Show context switch events (if recorded)"), 3989 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events, 3990 "Show namespace events (if recorded)"), 3991 OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events, 3992 "Show cgroup events (if recorded)"), 3993 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events, 3994 "Show lost events (if recorded)"), 3995 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events, 3996 "Show round events (if recorded)"), 3997 OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events, 3998 "Show bpf related events (if recorded)"), 3999 OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events, 4000 "Show text poke related events (if recorded)"), 4001 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump, 4002 "Dump trace output to files named by the monitored events"), 4003 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 4004 OPT_INTEGER(0, "max-blocks", &max_blocks, 4005 "Maximum number of code blocks to dump with brstackinsn"), 4006 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, 4007 "Use 9 decimal places when displaying time"), 4008 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 4009 "Instruction Tracing options\n" ITRACE_HELP, 4010 itrace_parse_synth_opts), 4011 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 4012 "Show full source file name path for source lines"), 4013 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 4014 "Enable symbol demangling"), 4015 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 4016 "Enable kernel symbol demangling"), 4017 OPT_STRING(0, "time", &script.time_str, "str", 4018 "Time span of interest (start,stop)"), 4019 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 4020 "Show inline function"), 4021 OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory", 4022 "guest mount directory under which every guest os" 4023 " instance has a subdir"), 4024 OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name, 4025 "file", "file saving guest os vmlinux"), 4026 OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms, 4027 "file", "file saving guest os /proc/kallsyms"), 4028 OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules, 4029 "file", "file saving guest os /proc/modules"), 4030 OPT_BOOLEAN(0, "guest-code", &symbol_conf.guest_code, 4031 "Guest code can be found in hypervisor process"), 4032 OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr, 4033 "Enable LBR callgraph stitching approach"), 4034 OPTS_EVSWITCH(&script.evswitch), 4035 OPT_END() 4036 }; 4037 const char * const script_subcommands[] = { "record", "report", NULL }; 4038 const char *script_usage[] = { 4039 "perf script [<options>]", 4040 "perf script [<options>] record <script> [<record-options>] <command>", 4041 "perf script [<options>] report <script> [script-args]", 4042 "perf script [<options>] <script> [<record-options>] <command>", 4043 "perf script [<options>] <top-script> [script-args]", 4044 NULL 4045 }; 4046 4047 perf_set_singlethreaded(); 4048 4049 setup_scripting(); 4050 4051 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage, 4052 PARSE_OPT_STOP_AT_NON_OPTION); 4053 4054 if (symbol_conf.guestmount || 4055 symbol_conf.default_guest_vmlinux_name || 4056 symbol_conf.default_guest_kallsyms || 4057 symbol_conf.default_guest_modules || 4058 symbol_conf.guest_code) { 4059 /* 4060 * Enable guest sample processing. 4061 */ 4062 perf_guest = true; 4063 } 4064 4065 data.path = input_name; 4066 data.force = symbol_conf.force; 4067 4068 if (unsorted_dump) { 4069 dump_trace = true; 4070 script.tool.ordered_events = false; 4071 } 4072 4073 if (symbol__validate_sym_arguments()) 4074 return -1; 4075 4076 if (argc > 1 && strlen(argv[0]) > 2 && strstarts("record", argv[0])) { 4077 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); 4078 if (!rec_script_path) 4079 return cmd_record(argc, argv); 4080 } 4081 4082 if (argc > 1 && strlen(argv[0]) > 2 && strstarts("report", argv[0])) { 4083 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); 4084 if (!rep_script_path) { 4085 fprintf(stderr, 4086 "Please specify a valid report script" 4087 "(see 'perf script -l' for listing)\n"); 4088 return -1; 4089 } 4090 } 4091 4092 if (reltime && deltatime) { 4093 fprintf(stderr, 4094 "reltime and deltatime - the two don't get along well. " 4095 "Please limit to --reltime or --deltatime.\n"); 4096 return -1; 4097 } 4098 4099 if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) && 4100 itrace_synth_opts.callchain_sz > scripting_max_stack) 4101 scripting_max_stack = itrace_synth_opts.callchain_sz; 4102 4103 /* make sure PERF_EXEC_PATH is set for scripts */ 4104 set_argv_exec_path(get_argv_exec_path()); 4105 4106 if (argc && !script_name && !rec_script_path && !rep_script_path) { 4107 int live_pipe[2]; 4108 int rep_args; 4109 pid_t pid; 4110 4111 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); 4112 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); 4113 4114 if (!rec_script_path && !rep_script_path) { 4115 script_name = find_script(argv[0]); 4116 if (script_name) { 4117 argc -= 1; 4118 argv += 1; 4119 goto script_found; 4120 } 4121 usage_with_options_msg(script_usage, options, 4122 "Couldn't find script `%s'\n\n See perf" 4123 " script -l for available scripts.\n", argv[0]); 4124 } 4125 4126 if (is_top_script(argv[0])) { 4127 rep_args = argc - 1; 4128 } else { 4129 int rec_args; 4130 4131 rep_args = has_required_arg(rep_script_path); 4132 rec_args = (argc - 1) - rep_args; 4133 if (rec_args < 0) { 4134 usage_with_options_msg(script_usage, options, 4135 "`%s' script requires options." 4136 "\n\n See perf script -l for available " 4137 "scripts and options.\n", argv[0]); 4138 } 4139 } 4140 4141 if (pipe(live_pipe) < 0) { 4142 perror("failed to create pipe"); 4143 return -1; 4144 } 4145 4146 pid = fork(); 4147 if (pid < 0) { 4148 perror("failed to fork"); 4149 return -1; 4150 } 4151 4152 if (!pid) { 4153 j = 0; 4154 4155 dup2(live_pipe[1], 1); 4156 close(live_pipe[0]); 4157 4158 if (is_top_script(argv[0])) { 4159 system_wide = true; 4160 } else if (!system_wide) { 4161 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { 4162 err = -1; 4163 goto out; 4164 } 4165 } 4166 4167 __argv = malloc((argc + 6) * sizeof(const char *)); 4168 if (!__argv) { 4169 pr_err("malloc failed\n"); 4170 err = -ENOMEM; 4171 goto out; 4172 } 4173 4174 __argv[j++] = "/bin/sh"; 4175 __argv[j++] = rec_script_path; 4176 if (system_wide) 4177 __argv[j++] = "-a"; 4178 __argv[j++] = "-q"; 4179 __argv[j++] = "-o"; 4180 __argv[j++] = "-"; 4181 for (i = rep_args + 1; i < argc; i++) 4182 __argv[j++] = argv[i]; 4183 __argv[j++] = NULL; 4184 4185 execvp("/bin/sh", (char **)__argv); 4186 free(__argv); 4187 exit(-1); 4188 } 4189 4190 dup2(live_pipe[0], 0); 4191 close(live_pipe[1]); 4192 4193 __argv = malloc((argc + 4) * sizeof(const char *)); 4194 if (!__argv) { 4195 pr_err("malloc failed\n"); 4196 err = -ENOMEM; 4197 goto out; 4198 } 4199 4200 j = 0; 4201 __argv[j++] = "/bin/sh"; 4202 __argv[j++] = rep_script_path; 4203 for (i = 1; i < rep_args + 1; i++) 4204 __argv[j++] = argv[i]; 4205 __argv[j++] = "-i"; 4206 __argv[j++] = "-"; 4207 __argv[j++] = NULL; 4208 4209 execvp("/bin/sh", (char **)__argv); 4210 free(__argv); 4211 exit(-1); 4212 } 4213 script_found: 4214 if (rec_script_path) 4215 script_path = rec_script_path; 4216 if (rep_script_path) 4217 script_path = rep_script_path; 4218 4219 if (script_path) { 4220 j = 0; 4221 4222 if (!rec_script_path) 4223 system_wide = false; 4224 else if (!system_wide) { 4225 if (have_cmd(argc - 1, &argv[1]) != 0) { 4226 err = -1; 4227 goto out; 4228 } 4229 } 4230 4231 __argv = malloc((argc + 2) * sizeof(const char *)); 4232 if (!__argv) { 4233 pr_err("malloc failed\n"); 4234 err = -ENOMEM; 4235 goto out; 4236 } 4237 4238 __argv[j++] = "/bin/sh"; 4239 __argv[j++] = script_path; 4240 if (system_wide) 4241 __argv[j++] = "-a"; 4242 for (i = 2; i < argc; i++) 4243 __argv[j++] = argv[i]; 4244 __argv[j++] = NULL; 4245 4246 execvp("/bin/sh", (char **)__argv); 4247 free(__argv); 4248 exit(-1); 4249 } 4250 4251 if (dlfilter_file) { 4252 dlfilter = dlfilter__new(dlfilter_file, dlargc, dlargv); 4253 if (!dlfilter) 4254 return -1; 4255 } 4256 4257 if (!script_name) { 4258 setup_pager(); 4259 use_browser = 0; 4260 } 4261 4262 session = perf_session__new(&data, &script.tool); 4263 if (IS_ERR(session)) 4264 return PTR_ERR(session); 4265 4266 if (header || header_only) { 4267 script.tool.show_feat_hdr = SHOW_FEAT_HEADER; 4268 perf_session__fprintf_info(session, stdout, show_full_info); 4269 if (header_only) 4270 goto out_delete; 4271 } 4272 if (show_full_info) 4273 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 4274 4275 if (symbol__init(&session->header.env) < 0) 4276 goto out_delete; 4277 4278 uname(&uts); 4279 if (data.is_pipe) { /* Assume pipe_mode indicates native_arch */ 4280 native_arch = true; 4281 } else if (session->header.env.arch) { 4282 if (!strcmp(uts.machine, session->header.env.arch)) 4283 native_arch = true; 4284 else if (!strcmp(uts.machine, "x86_64") && 4285 !strcmp(session->header.env.arch, "i386")) 4286 native_arch = true; 4287 } 4288 4289 script.session = session; 4290 script__setup_sample_type(&script); 4291 4292 if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) || 4293 symbol_conf.graph_function) 4294 itrace_synth_opts.thread_stack = true; 4295 4296 session->itrace_synth_opts = &itrace_synth_opts; 4297 4298 if (cpu_list) { 4299 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap); 4300 if (err < 0) 4301 goto out_delete; 4302 itrace_synth_opts.cpu_bitmap = cpu_bitmap; 4303 } 4304 4305 if (!no_callchain) 4306 symbol_conf.use_callchain = true; 4307 else 4308 symbol_conf.use_callchain = false; 4309 4310 #ifdef HAVE_LIBTRACEEVENT 4311 if (session->tevent.pevent && 4312 tep_set_function_resolver(session->tevent.pevent, 4313 machine__resolve_kernel_addr, 4314 &session->machines.host) < 0) { 4315 pr_err("%s: failed to set libtraceevent function resolver\n", __func__); 4316 err = -1; 4317 goto out_delete; 4318 } 4319 #endif 4320 if (generate_script_lang) { 4321 struct stat perf_stat; 4322 int input; 4323 4324 if (output_set_by_user()) { 4325 fprintf(stderr, 4326 "custom fields not supported for generated scripts"); 4327 err = -EINVAL; 4328 goto out_delete; 4329 } 4330 4331 input = open(data.path, O_RDONLY); /* input_name */ 4332 if (input < 0) { 4333 err = -errno; 4334 perror("failed to open file"); 4335 goto out_delete; 4336 } 4337 4338 err = fstat(input, &perf_stat); 4339 if (err < 0) { 4340 perror("failed to stat file"); 4341 goto out_delete; 4342 } 4343 4344 if (!perf_stat.st_size) { 4345 fprintf(stderr, "zero-sized file, nothing to do!\n"); 4346 goto out_delete; 4347 } 4348 4349 scripting_ops = script_spec__lookup(generate_script_lang); 4350 if (!scripting_ops) { 4351 fprintf(stderr, "invalid language specifier"); 4352 err = -ENOENT; 4353 goto out_delete; 4354 } 4355 #ifdef HAVE_LIBTRACEEVENT 4356 err = scripting_ops->generate_script(session->tevent.pevent, 4357 "perf-script"); 4358 #else 4359 err = scripting_ops->generate_script(NULL, "perf-script"); 4360 #endif 4361 goto out_delete; 4362 } 4363 4364 err = dlfilter__start(dlfilter, session); 4365 if (err) 4366 goto out_delete; 4367 4368 if (script_name) { 4369 err = scripting_ops->start_script(script_name, argc, argv, session); 4370 if (err) 4371 goto out_delete; 4372 pr_debug("perf script started with script %s\n\n", script_name); 4373 script_started = true; 4374 } 4375 4376 4377 err = perf_session__check_output_opt(session); 4378 if (err < 0) 4379 goto out_delete; 4380 4381 if (script.time_str) { 4382 err = perf_time__parse_for_ranges_reltime(script.time_str, session, 4383 &script.ptime_range, 4384 &script.range_size, 4385 &script.range_num, 4386 reltime); 4387 if (err < 0) 4388 goto out_delete; 4389 4390 itrace_synth_opts__set_time_range(&itrace_synth_opts, 4391 script.ptime_range, 4392 script.range_num); 4393 } 4394 4395 err = evswitch__init(&script.evswitch, session->evlist, stderr); 4396 if (err) 4397 goto out_delete; 4398 4399 if (zstd_init(&(session->zstd_data), 0) < 0) 4400 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n"); 4401 4402 err = __cmd_script(&script); 4403 4404 flush_scripting(); 4405 4406 if (verbose > 2 || debug_kmaps) 4407 perf_session__dump_kmaps(session); 4408 4409 out_delete: 4410 if (script.ptime_range) { 4411 itrace_synth_opts__clear_time_range(&itrace_synth_opts); 4412 zfree(&script.ptime_range); 4413 } 4414 4415 zstd_fini(&(session->zstd_data)); 4416 evlist__free_stats(session->evlist); 4417 perf_session__delete(session); 4418 perf_script__exit(&script); 4419 4420 if (script_started) 4421 cleanup_scripting(); 4422 dlfilter__cleanup(dlfilter); 4423 free_dlarg(); 4424 out: 4425 return err; 4426 } 4427