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 "util/mem-info.h" 36 #include "ui/ui.h" 37 #include "print_binary.h" 38 #include "print_insn.h" 39 #include "archinsn.h" 40 #include <linux/bitmap.h> 41 #include <linux/kernel.h> 42 #include <linux/stringify.h> 43 #include <linux/time64.h> 44 #include <linux/zalloc.h> 45 #include <sys/utsname.h> 46 #include "asm/bug.h" 47 #include "util/mem-events.h" 48 #include "util/dump-insn.h" 49 #include <dirent.h> 50 #include <errno.h> 51 #include <inttypes.h> 52 #include <signal.h> 53 #include <sys/param.h> 54 #include <sys/types.h> 55 #include <sys/stat.h> 56 #include <fcntl.h> 57 #include <unistd.h> 58 #include <subcmd/pager.h> 59 #include <perf/evlist.h> 60 #include <linux/err.h> 61 #include "util/dlfilter.h" 62 #include "util/record.h" 63 #include "util/util.h" 64 #include "util/cgroup.h" 65 #include "util/annotate.h" 66 #include "perf.h" 67 68 #include <linux/ctype.h> 69 #ifdef HAVE_LIBTRACEEVENT 70 #include <event-parse.h> 71 #endif 72 73 static char const *script_name; 74 static char const *generate_script_lang; 75 static bool reltime; 76 static bool deltatime; 77 static u64 initial_time; 78 static u64 previous_time; 79 static bool debug_mode; 80 static u64 last_timestamp; 81 static u64 nr_unordered; 82 static bool no_callchain; 83 static bool latency_format; 84 static bool system_wide; 85 static bool print_flags; 86 static const char *cpu_list; 87 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); 88 static int max_blocks; 89 static bool native_arch; 90 static struct dlfilter *dlfilter; 91 static int dlargc; 92 static char **dlargv; 93 94 enum perf_output_field { 95 PERF_OUTPUT_COMM = 1ULL << 0, 96 PERF_OUTPUT_TID = 1ULL << 1, 97 PERF_OUTPUT_PID = 1ULL << 2, 98 PERF_OUTPUT_TIME = 1ULL << 3, 99 PERF_OUTPUT_CPU = 1ULL << 4, 100 PERF_OUTPUT_EVNAME = 1ULL << 5, 101 PERF_OUTPUT_TRACE = 1ULL << 6, 102 PERF_OUTPUT_IP = 1ULL << 7, 103 PERF_OUTPUT_SYM = 1ULL << 8, 104 PERF_OUTPUT_DSO = 1ULL << 9, 105 PERF_OUTPUT_ADDR = 1ULL << 10, 106 PERF_OUTPUT_SYMOFFSET = 1ULL << 11, 107 PERF_OUTPUT_SRCLINE = 1ULL << 12, 108 PERF_OUTPUT_PERIOD = 1ULL << 13, 109 PERF_OUTPUT_IREGS = 1ULL << 14, 110 PERF_OUTPUT_BRSTACK = 1ULL << 15, 111 PERF_OUTPUT_BRSTACKSYM = 1ULL << 16, 112 PERF_OUTPUT_DATA_SRC = 1ULL << 17, 113 PERF_OUTPUT_WEIGHT = 1ULL << 18, 114 PERF_OUTPUT_BPF_OUTPUT = 1ULL << 19, 115 PERF_OUTPUT_CALLINDENT = 1ULL << 20, 116 PERF_OUTPUT_INSN = 1ULL << 21, 117 PERF_OUTPUT_INSNLEN = 1ULL << 22, 118 PERF_OUTPUT_BRSTACKINSN = 1ULL << 23, 119 PERF_OUTPUT_BRSTACKOFF = 1ULL << 24, 120 PERF_OUTPUT_SYNTH = 1ULL << 25, 121 PERF_OUTPUT_PHYS_ADDR = 1ULL << 26, 122 PERF_OUTPUT_UREGS = 1ULL << 27, 123 PERF_OUTPUT_METRIC = 1ULL << 28, 124 PERF_OUTPUT_MISC = 1ULL << 29, 125 PERF_OUTPUT_SRCCODE = 1ULL << 30, 126 PERF_OUTPUT_IPC = 1ULL << 31, 127 PERF_OUTPUT_TOD = 1ULL << 32, 128 PERF_OUTPUT_DATA_PAGE_SIZE = 1ULL << 33, 129 PERF_OUTPUT_CODE_PAGE_SIZE = 1ULL << 34, 130 PERF_OUTPUT_INS_LAT = 1ULL << 35, 131 PERF_OUTPUT_BRSTACKINSNLEN = 1ULL << 36, 132 PERF_OUTPUT_MACHINE_PID = 1ULL << 37, 133 PERF_OUTPUT_VCPU = 1ULL << 38, 134 PERF_OUTPUT_CGROUP = 1ULL << 39, 135 PERF_OUTPUT_RETIRE_LAT = 1ULL << 40, 136 PERF_OUTPUT_DSOFF = 1ULL << 41, 137 PERF_OUTPUT_DISASM = 1ULL << 42, 138 PERF_OUTPUT_BRSTACKDISASM = 1ULL << 43, 139 PERF_OUTPUT_BRCNTR = 1ULL << 44, 140 }; 141 142 struct perf_script { 143 struct perf_tool tool; 144 struct perf_session *session; 145 bool show_task_events; 146 bool show_mmap_events; 147 bool show_switch_events; 148 bool show_namespace_events; 149 bool show_lost_events; 150 bool show_round_events; 151 bool show_bpf_events; 152 bool show_cgroup_events; 153 bool show_text_poke_events; 154 bool allocated; 155 bool per_event_dump; 156 bool stitch_lbr; 157 struct evswitch evswitch; 158 struct perf_cpu_map *cpus; 159 struct perf_thread_map *threads; 160 int name_width; 161 const char *time_str; 162 struct perf_time_interval *ptime_range; 163 int range_size; 164 int range_num; 165 }; 166 167 struct output_option { 168 const char *str; 169 enum perf_output_field field; 170 } all_output_options[] = { 171 {.str = "comm", .field = PERF_OUTPUT_COMM}, 172 {.str = "tid", .field = PERF_OUTPUT_TID}, 173 {.str = "pid", .field = PERF_OUTPUT_PID}, 174 {.str = "time", .field = PERF_OUTPUT_TIME}, 175 {.str = "cpu", .field = PERF_OUTPUT_CPU}, 176 {.str = "event", .field = PERF_OUTPUT_EVNAME}, 177 {.str = "trace", .field = PERF_OUTPUT_TRACE}, 178 {.str = "ip", .field = PERF_OUTPUT_IP}, 179 {.str = "sym", .field = PERF_OUTPUT_SYM}, 180 {.str = "dso", .field = PERF_OUTPUT_DSO}, 181 {.str = "dsoff", .field = PERF_OUTPUT_DSOFF}, 182 {.str = "addr", .field = PERF_OUTPUT_ADDR}, 183 {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET}, 184 {.str = "srcline", .field = PERF_OUTPUT_SRCLINE}, 185 {.str = "period", .field = PERF_OUTPUT_PERIOD}, 186 {.str = "iregs", .field = PERF_OUTPUT_IREGS}, 187 {.str = "uregs", .field = PERF_OUTPUT_UREGS}, 188 {.str = "brstack", .field = PERF_OUTPUT_BRSTACK}, 189 {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM}, 190 {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC}, 191 {.str = "weight", .field = PERF_OUTPUT_WEIGHT}, 192 {.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT}, 193 {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT}, 194 {.str = "insn", .field = PERF_OUTPUT_INSN}, 195 {.str = "disasm", .field = PERF_OUTPUT_DISASM}, 196 {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN}, 197 {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN}, 198 {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF}, 199 {.str = "synth", .field = PERF_OUTPUT_SYNTH}, 200 {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR}, 201 {.str = "metric", .field = PERF_OUTPUT_METRIC}, 202 {.str = "misc", .field = PERF_OUTPUT_MISC}, 203 {.str = "srccode", .field = PERF_OUTPUT_SRCCODE}, 204 {.str = "ipc", .field = PERF_OUTPUT_IPC}, 205 {.str = "tod", .field = PERF_OUTPUT_TOD}, 206 {.str = "data_page_size", .field = PERF_OUTPUT_DATA_PAGE_SIZE}, 207 {.str = "code_page_size", .field = PERF_OUTPUT_CODE_PAGE_SIZE}, 208 {.str = "ins_lat", .field = PERF_OUTPUT_INS_LAT}, 209 {.str = "brstackinsnlen", .field = PERF_OUTPUT_BRSTACKINSNLEN}, 210 {.str = "machine_pid", .field = PERF_OUTPUT_MACHINE_PID}, 211 {.str = "vcpu", .field = PERF_OUTPUT_VCPU}, 212 {.str = "cgroup", .field = PERF_OUTPUT_CGROUP}, 213 {.str = "retire_lat", .field = PERF_OUTPUT_RETIRE_LAT}, 214 {.str = "brstackdisasm", .field = PERF_OUTPUT_BRSTACKDISASM}, 215 {.str = "brcntr", .field = PERF_OUTPUT_BRCNTR}, 216 }; 217 218 enum { 219 OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX, 220 OUTPUT_TYPE_OTHER, 221 OUTPUT_TYPE_MAX 222 }; 223 224 // We need to refactor the evsel->priv use in in 'perf script' to allow for 225 // using that area, that is being used only in some cases. 226 #define OUTPUT_TYPE_UNSET -1 227 228 /* default set to maintain compatibility with current format */ 229 static struct { 230 bool user_set; 231 bool wildcard_set; 232 unsigned int print_ip_opts; 233 u64 fields; 234 u64 invalid_fields; 235 u64 user_set_fields; 236 u64 user_unset_fields; 237 } output[OUTPUT_TYPE_MAX] = { 238 239 [PERF_TYPE_HARDWARE] = { 240 .user_set = false, 241 242 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 243 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 244 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 245 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 246 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 247 248 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 249 }, 250 251 [PERF_TYPE_SOFTWARE] = { 252 .user_set = false, 253 254 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 255 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 256 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 257 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 258 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 259 PERF_OUTPUT_BPF_OUTPUT, 260 261 .invalid_fields = PERF_OUTPUT_TRACE, 262 }, 263 264 [PERF_TYPE_TRACEPOINT] = { 265 .user_set = false, 266 267 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 268 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 269 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE 270 }, 271 272 [PERF_TYPE_HW_CACHE] = { 273 .user_set = false, 274 275 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 276 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 277 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 278 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 279 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 280 281 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 282 }, 283 284 [PERF_TYPE_RAW] = { 285 .user_set = false, 286 287 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 288 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 289 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 290 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 291 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 292 PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC | 293 PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR | 294 PERF_OUTPUT_DATA_PAGE_SIZE | PERF_OUTPUT_CODE_PAGE_SIZE | 295 PERF_OUTPUT_INS_LAT | PERF_OUTPUT_RETIRE_LAT, 296 297 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 298 }, 299 300 [PERF_TYPE_BREAKPOINT] = { 301 .user_set = false, 302 303 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 304 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 305 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 306 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 307 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 308 309 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 310 }, 311 312 [OUTPUT_TYPE_SYNTH] = { 313 .user_set = false, 314 315 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 316 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 317 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 318 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 319 PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH, 320 321 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 322 }, 323 324 [OUTPUT_TYPE_OTHER] = { 325 .user_set = false, 326 327 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 328 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 329 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 330 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 331 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 332 333 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 334 }, 335 }; 336 337 struct evsel_script { 338 char *filename; 339 FILE *fp; 340 u64 samples; 341 /* For metric output */ 342 u64 val; 343 int gnum; 344 }; 345 346 static inline struct evsel_script *evsel_script(struct evsel *evsel) 347 { 348 return (struct evsel_script *)evsel->priv; 349 } 350 351 static struct evsel_script *evsel_script__new(struct evsel *evsel, struct perf_data *data) 352 { 353 struct evsel_script *es = zalloc(sizeof(*es)); 354 355 if (es != NULL) { 356 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0) 357 goto out_free; 358 es->fp = fopen(es->filename, "w"); 359 if (es->fp == NULL) 360 goto out_free_filename; 361 } 362 363 return es; 364 out_free_filename: 365 zfree(&es->filename); 366 out_free: 367 free(es); 368 return NULL; 369 } 370 371 static void evsel_script__delete(struct evsel_script *es) 372 { 373 zfree(&es->filename); 374 fclose(es->fp); 375 es->fp = NULL; 376 free(es); 377 } 378 379 static int evsel_script__fprintf(struct evsel_script *es, FILE *fp) 380 { 381 struct stat st; 382 383 fstat(fileno(es->fp), &st); 384 return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n", 385 st.st_size / 1024.0 / 1024.0, es->filename, es->samples); 386 } 387 388 static inline int output_type(unsigned int type) 389 { 390 switch (type) { 391 case PERF_TYPE_SYNTH: 392 return OUTPUT_TYPE_SYNTH; 393 default: 394 if (type < PERF_TYPE_MAX) 395 return type; 396 } 397 398 return OUTPUT_TYPE_OTHER; 399 } 400 401 static inline int evsel__output_type(struct evsel *evsel) 402 { 403 if (evsel->script_output_type == OUTPUT_TYPE_UNSET) 404 evsel->script_output_type = output_type(evsel->core.attr.type); 405 406 return evsel->script_output_type; 407 } 408 409 static bool output_set_by_user(void) 410 { 411 int j; 412 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 413 if (output[j].user_set) 414 return true; 415 } 416 return false; 417 } 418 419 static const char *output_field2str(enum perf_output_field field) 420 { 421 int i, imax = ARRAY_SIZE(all_output_options); 422 const char *str = ""; 423 424 for (i = 0; i < imax; ++i) { 425 if (all_output_options[i].field == field) { 426 str = all_output_options[i].str; 427 break; 428 } 429 } 430 return str; 431 } 432 433 #define PRINT_FIELD(x) (output[evsel__output_type(evsel)].fields & PERF_OUTPUT_##x) 434 435 static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg, 436 enum perf_output_field field, bool allow_user_set) 437 { 438 struct perf_event_attr *attr = &evsel->core.attr; 439 int type = evsel__output_type(evsel); 440 const char *evname; 441 442 if (attr->sample_type & sample_type) 443 return 0; 444 445 if (output[type].user_set_fields & field) { 446 if (allow_user_set) 447 return 0; 448 evname = evsel__name(evsel); 449 pr_err("Samples for '%s' event do not have %s attribute set. " 450 "Cannot print '%s' field.\n", 451 evname, sample_msg, output_field2str(field)); 452 return -1; 453 } 454 455 /* user did not ask for it explicitly so remove from the default list */ 456 output[type].fields &= ~field; 457 evname = evsel__name(evsel); 458 pr_debug("Samples for '%s' event do not have %s attribute set. " 459 "Skipping '%s' field.\n", 460 evname, sample_msg, output_field2str(field)); 461 462 return 0; 463 } 464 465 static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg, 466 enum perf_output_field field) 467 { 468 return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false); 469 } 470 471 static int evsel__check_attr(struct evsel *evsel, struct perf_session *session) 472 { 473 bool allow_user_set; 474 475 if (evsel__is_dummy_event(evsel)) 476 return 0; 477 478 if (perf_header__has_feat(&session->header, HEADER_STAT)) 479 return 0; 480 481 allow_user_set = perf_header__has_feat(&session->header, 482 HEADER_AUXTRACE); 483 484 if (PRINT_FIELD(TRACE) && 485 !perf_session__has_traces(session, "record -R")) 486 return -EINVAL; 487 488 if (PRINT_FIELD(IP)) { 489 if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP)) 490 return -EINVAL; 491 } 492 493 if (PRINT_FIELD(ADDR) && 494 evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set)) 495 return -EINVAL; 496 497 if (PRINT_FIELD(DATA_SRC) && 498 evsel__do_check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC, allow_user_set)) 499 return -EINVAL; 500 501 if (PRINT_FIELD(WEIGHT) && 502 evsel__do_check_stype(evsel, PERF_SAMPLE_WEIGHT_TYPE, "WEIGHT", PERF_OUTPUT_WEIGHT, allow_user_set)) 503 return -EINVAL; 504 505 if (PRINT_FIELD(SYM) && 506 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 507 pr_err("Display of symbols requested but neither sample IP nor " 508 "sample address\navailable. Hence, no addresses to convert " 509 "to symbols.\n"); 510 return -EINVAL; 511 } 512 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) { 513 pr_err("Display of offsets requested but symbol is not" 514 "selected.\n"); 515 return -EINVAL; 516 } 517 if (PRINT_FIELD(DSO) && 518 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 519 pr_err("Display of DSO requested but no address to convert.\n"); 520 return -EINVAL; 521 } 522 if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) { 523 pr_err("Display of source line number requested but sample IP is not\n" 524 "selected. Hence, no address to lookup the source line number.\n"); 525 return -EINVAL; 526 } 527 if ((PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN) || PRINT_FIELD(BRSTACKDISASM)) 528 && !allow_user_set && 529 !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) { 530 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n" 531 "Hint: run 'perf record -b ...'\n"); 532 return -EINVAL; 533 } 534 if (PRINT_FIELD(BRCNTR) && 535 !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_COUNTERS)) { 536 pr_err("Display of branch counter requested but it's not enabled\n" 537 "Hint: run 'perf record -j any,counter ...'\n"); 538 return -EINVAL; 539 } 540 if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) && 541 evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID)) 542 return -EINVAL; 543 544 if (PRINT_FIELD(TIME) && 545 evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME)) 546 return -EINVAL; 547 548 if (PRINT_FIELD(CPU) && 549 evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set)) 550 return -EINVAL; 551 552 if (PRINT_FIELD(IREGS) && 553 evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set)) 554 return -EINVAL; 555 556 if (PRINT_FIELD(UREGS) && 557 evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS)) 558 return -EINVAL; 559 560 if (PRINT_FIELD(PHYS_ADDR) && 561 evsel__do_check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR, allow_user_set)) 562 return -EINVAL; 563 564 if (PRINT_FIELD(DATA_PAGE_SIZE) && 565 evsel__check_stype(evsel, PERF_SAMPLE_DATA_PAGE_SIZE, "DATA_PAGE_SIZE", PERF_OUTPUT_DATA_PAGE_SIZE)) 566 return -EINVAL; 567 568 if (PRINT_FIELD(CODE_PAGE_SIZE) && 569 evsel__check_stype(evsel, PERF_SAMPLE_CODE_PAGE_SIZE, "CODE_PAGE_SIZE", PERF_OUTPUT_CODE_PAGE_SIZE)) 570 return -EINVAL; 571 572 if (PRINT_FIELD(INS_LAT) && 573 evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_INS_LAT)) 574 return -EINVAL; 575 576 if (PRINT_FIELD(CGROUP) && 577 evsel__check_stype(evsel, PERF_SAMPLE_CGROUP, "CGROUP", PERF_OUTPUT_CGROUP)) { 578 pr_err("Hint: run 'perf record --all-cgroups ...'\n"); 579 return -EINVAL; 580 } 581 582 if (PRINT_FIELD(RETIRE_LAT) && 583 evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_RETIRE_LAT)) 584 return -EINVAL; 585 586 return 0; 587 } 588 589 static void evsel__set_print_ip_opts(struct evsel *evsel) 590 { 591 unsigned int type = evsel__output_type(evsel); 592 593 output[type].print_ip_opts = 0; 594 if (PRINT_FIELD(IP)) 595 output[type].print_ip_opts |= EVSEL__PRINT_IP; 596 597 if (PRINT_FIELD(SYM)) 598 output[type].print_ip_opts |= EVSEL__PRINT_SYM; 599 600 if (PRINT_FIELD(DSO)) 601 output[type].print_ip_opts |= EVSEL__PRINT_DSO; 602 603 if (PRINT_FIELD(DSOFF)) 604 output[type].print_ip_opts |= EVSEL__PRINT_DSOFF; 605 606 if (PRINT_FIELD(SYMOFFSET)) 607 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET; 608 609 if (PRINT_FIELD(SRCLINE)) 610 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE; 611 } 612 613 static struct evsel *find_first_output_type(struct evlist *evlist, 614 unsigned int type) 615 { 616 struct evsel *evsel; 617 618 evlist__for_each_entry(evlist, evsel) { 619 if (evsel__is_dummy_event(evsel)) 620 continue; 621 if (evsel__output_type(evsel) == (int)type) 622 return evsel; 623 } 624 return NULL; 625 } 626 627 /* 628 * verify all user requested events exist and the samples 629 * have the expected data 630 */ 631 static int perf_session__check_output_opt(struct perf_session *session) 632 { 633 bool tod = false; 634 unsigned int j; 635 struct evsel *evsel; 636 637 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 638 evsel = find_first_output_type(session->evlist, j); 639 640 /* 641 * even if fields is set to 0 (ie., show nothing) event must 642 * exist if user explicitly includes it on the command line 643 */ 644 if (!evsel && output[j].user_set && !output[j].wildcard_set && 645 j != OUTPUT_TYPE_SYNTH) { 646 pr_err("%s events do not exist. " 647 "Remove corresponding -F option to proceed.\n", 648 event_type(j)); 649 return -1; 650 } 651 652 if (evsel && output[j].fields && 653 evsel__check_attr(evsel, session)) 654 return -1; 655 656 if (evsel == NULL) 657 continue; 658 659 /* 'dsoff' implys 'dso' field */ 660 if (output[j].fields & PERF_OUTPUT_DSOFF) 661 output[j].fields |= PERF_OUTPUT_DSO; 662 663 evsel__set_print_ip_opts(evsel); 664 tod |= output[j].fields & PERF_OUTPUT_TOD; 665 } 666 667 if (!no_callchain) { 668 bool use_callchain = false; 669 bool not_pipe = false; 670 671 evlist__for_each_entry(session->evlist, evsel) { 672 not_pipe = true; 673 if (evsel__has_callchain(evsel)) { 674 use_callchain = true; 675 break; 676 } 677 } 678 if (not_pipe && !use_callchain) 679 symbol_conf.use_callchain = false; 680 } 681 682 /* 683 * set default for tracepoints to print symbols only 684 * if callchains are present 685 */ 686 if (symbol_conf.use_callchain && 687 !output[PERF_TYPE_TRACEPOINT].user_set) { 688 j = PERF_TYPE_TRACEPOINT; 689 690 evlist__for_each_entry(session->evlist, evsel) { 691 if (evsel->core.attr.type != j) 692 continue; 693 694 if (evsel__has_callchain(evsel)) { 695 output[j].fields |= PERF_OUTPUT_IP; 696 output[j].fields |= PERF_OUTPUT_SYM; 697 output[j].fields |= PERF_OUTPUT_SYMOFFSET; 698 output[j].fields |= PERF_OUTPUT_DSO; 699 evsel__set_print_ip_opts(evsel); 700 goto out; 701 } 702 } 703 } 704 705 if (tod && !session->header.env.clock.enabled) { 706 pr_err("Can't provide 'tod' time, missing clock data. " 707 "Please record with -k/--clockid option.\n"); 708 return -1; 709 } 710 out: 711 return 0; 712 } 713 714 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask, const char *arch, 715 FILE *fp) 716 { 717 unsigned i = 0, r; 718 int printed = 0; 719 720 if (!regs || !regs->regs) 721 return 0; 722 723 printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi); 724 725 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) { 726 u64 val = regs->regs[i++]; 727 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r, arch), val); 728 } 729 730 return printed; 731 } 732 733 #define DEFAULT_TOD_FMT "%F %H:%M:%S" 734 735 static char* 736 tod_scnprintf(struct perf_script *script, char *buf, int buflen, 737 u64 timestamp) 738 { 739 u64 tod_ns, clockid_ns; 740 struct perf_env *env; 741 unsigned long nsec; 742 struct tm ltime; 743 char date[64]; 744 time_t sec; 745 746 buf[0] = '\0'; 747 if (buflen < 64 || !script) 748 return buf; 749 750 env = &script->session->header.env; 751 if (!env->clock.enabled) { 752 scnprintf(buf, buflen, "disabled"); 753 return buf; 754 } 755 756 clockid_ns = env->clock.clockid_ns; 757 tod_ns = env->clock.tod_ns; 758 759 if (timestamp > clockid_ns) 760 tod_ns += timestamp - clockid_ns; 761 else 762 tod_ns -= clockid_ns - timestamp; 763 764 sec = (time_t) (tod_ns / NSEC_PER_SEC); 765 nsec = tod_ns - sec * NSEC_PER_SEC; 766 767 if (localtime_r(&sec, <ime) == NULL) { 768 scnprintf(buf, buflen, "failed"); 769 } else { 770 strftime(date, sizeof(date), DEFAULT_TOD_FMT, <ime); 771 772 if (symbol_conf.nanosecs) { 773 snprintf(buf, buflen, "%s.%09lu", date, nsec); 774 } else { 775 snprintf(buf, buflen, "%s.%06lu", 776 date, nsec / NSEC_PER_USEC); 777 } 778 } 779 780 return buf; 781 } 782 783 static int perf_sample__fprintf_iregs(struct perf_sample *sample, 784 struct perf_event_attr *attr, const char *arch, FILE *fp) 785 { 786 if (!sample->intr_regs) 787 return 0; 788 789 return perf_sample__fprintf_regs(perf_sample__intr_regs(sample), 790 attr->sample_regs_intr, arch, fp); 791 } 792 793 static int perf_sample__fprintf_uregs(struct perf_sample *sample, 794 struct perf_event_attr *attr, const char *arch, FILE *fp) 795 { 796 if (!sample->user_regs) 797 return 0; 798 799 return perf_sample__fprintf_regs(perf_sample__user_regs(sample), 800 attr->sample_regs_user, arch, fp); 801 } 802 803 static int perf_sample__fprintf_start(struct perf_script *script, 804 struct perf_sample *sample, 805 struct thread *thread, 806 struct evsel *evsel, 807 u32 type, FILE *fp) 808 { 809 unsigned long secs; 810 unsigned long long nsecs; 811 int printed = 0; 812 char tstr[128]; 813 814 /* 815 * Print the branch counter's abbreviation list, 816 * if the branch counter is available. 817 */ 818 if (PRINT_FIELD(BRCNTR) && !verbose) { 819 char *buf; 820 821 if (!annotation_br_cntr_abbr_list(&buf, evsel, true)) { 822 printed += fprintf(stdout, "%s", buf); 823 free(buf); 824 } 825 } 826 827 if (PRINT_FIELD(MACHINE_PID) && sample->machine_pid) 828 printed += fprintf(fp, "VM:%5d ", sample->machine_pid); 829 830 /* Print VCPU only for guest events i.e. with machine_pid */ 831 if (PRINT_FIELD(VCPU) && sample->machine_pid) 832 printed += fprintf(fp, "VCPU:%03d ", sample->vcpu); 833 834 if (PRINT_FIELD(COMM)) { 835 const char *comm = thread ? thread__comm_str(thread) : ":-1"; 836 837 if (latency_format) 838 printed += fprintf(fp, "%8.8s ", comm); 839 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain) 840 printed += fprintf(fp, "%s ", comm); 841 else 842 printed += fprintf(fp, "%16s ", comm); 843 } 844 845 if (PRINT_FIELD(PID) && PRINT_FIELD(TID)) 846 printed += fprintf(fp, "%7d/%-7d ", sample->pid, sample->tid); 847 else if (PRINT_FIELD(PID)) 848 printed += fprintf(fp, "%7d ", sample->pid); 849 else if (PRINT_FIELD(TID)) 850 printed += fprintf(fp, "%7d ", sample->tid); 851 852 if (PRINT_FIELD(CPU)) { 853 if (latency_format) 854 printed += fprintf(fp, "%3d ", sample->cpu); 855 else 856 printed += fprintf(fp, "[%03d] ", sample->cpu); 857 } 858 859 if (PRINT_FIELD(MISC)) { 860 int ret = 0; 861 862 #define has(m) \ 863 (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m 864 865 if (has(KERNEL)) 866 ret += fprintf(fp, "K"); 867 if (has(USER)) 868 ret += fprintf(fp, "U"); 869 if (has(HYPERVISOR)) 870 ret += fprintf(fp, "H"); 871 if (has(GUEST_KERNEL)) 872 ret += fprintf(fp, "G"); 873 if (has(GUEST_USER)) 874 ret += fprintf(fp, "g"); 875 876 switch (type) { 877 case PERF_RECORD_MMAP: 878 case PERF_RECORD_MMAP2: 879 if (has(MMAP_DATA)) 880 ret += fprintf(fp, "M"); 881 break; 882 case PERF_RECORD_COMM: 883 if (has(COMM_EXEC)) 884 ret += fprintf(fp, "E"); 885 break; 886 case PERF_RECORD_SWITCH: 887 case PERF_RECORD_SWITCH_CPU_WIDE: 888 if (has(SWITCH_OUT)) { 889 ret += fprintf(fp, "S"); 890 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT) 891 ret += fprintf(fp, "p"); 892 } 893 default: 894 break; 895 } 896 897 #undef has 898 899 ret += fprintf(fp, "%*s", 6 - ret, " "); 900 printed += ret; 901 } 902 903 if (PRINT_FIELD(TOD)) { 904 tod_scnprintf(script, tstr, sizeof(tstr), sample->time); 905 printed += fprintf(fp, "%s ", tstr); 906 } 907 908 if (PRINT_FIELD(TIME)) { 909 u64 t = sample->time; 910 if (reltime) { 911 if (!initial_time) 912 initial_time = sample->time; 913 t = sample->time - initial_time; 914 } else if (deltatime) { 915 if (previous_time) 916 t = sample->time - previous_time; 917 else { 918 t = 0; 919 } 920 previous_time = sample->time; 921 } 922 nsecs = t; 923 secs = nsecs / NSEC_PER_SEC; 924 nsecs -= secs * NSEC_PER_SEC; 925 926 if (symbol_conf.nanosecs) 927 printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs); 928 else { 929 char sample_time[32]; 930 timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time)); 931 printed += fprintf(fp, "%12s: ", sample_time); 932 } 933 } 934 935 return printed; 936 } 937 938 static inline char 939 mispred_str(struct branch_entry *br) 940 { 941 if (!(br->flags.mispred || br->flags.predicted)) 942 return '-'; 943 944 return br->flags.predicted ? 'P' : 'M'; 945 } 946 947 static int print_bstack_flags(FILE *fp, struct branch_entry *br) 948 { 949 return fprintf(fp, "/%c/%c/%c/%d/%s/%s ", 950 mispred_str(br), 951 br->flags.in_tx ? 'X' : '-', 952 br->flags.abort ? 'A' : '-', 953 br->flags.cycles, 954 get_branch_type(br), 955 br->flags.spec ? branch_spec_desc(br->flags.spec) : "-"); 956 } 957 958 static int perf_sample__fprintf_brstack(struct perf_sample *sample, 959 struct thread *thread, 960 struct evsel *evsel, 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 from = entries[i].from; 972 to = entries[i].to; 973 974 printed += fprintf(fp, " 0x%"PRIx64, from); 975 if (PRINT_FIELD(DSO)) { 976 struct addr_location alf, alt; 977 978 addr_location__init(&alf); 979 addr_location__init(&alt); 980 thread__find_map_fb(thread, sample->cpumode, from, &alf); 981 thread__find_map_fb(thread, sample->cpumode, to, &alt); 982 983 printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp); 984 printed += fprintf(fp, "/0x%"PRIx64, to); 985 printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp); 986 addr_location__exit(&alt); 987 addr_location__exit(&alf); 988 } else 989 printed += fprintf(fp, "/0x%"PRIx64, to); 990 991 printed += print_bstack_flags(fp, entries + i); 992 } 993 994 return printed; 995 } 996 997 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample, 998 struct thread *thread, 999 struct evsel *evsel, FILE *fp) 1000 { 1001 struct branch_stack *br = sample->branch_stack; 1002 struct branch_entry *entries = perf_sample__branch_entries(sample); 1003 u64 i, from, to; 1004 int printed = 0; 1005 1006 if (!(br && br->nr)) 1007 return 0; 1008 1009 for (i = 0; i < br->nr; i++) { 1010 struct addr_location alf, alt; 1011 1012 addr_location__init(&alf); 1013 addr_location__init(&alt); 1014 from = entries[i].from; 1015 to = entries[i].to; 1016 1017 thread__find_symbol_fb(thread, sample->cpumode, from, &alf); 1018 thread__find_symbol_fb(thread, sample->cpumode, to, &alt); 1019 1020 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp); 1021 if (PRINT_FIELD(DSO)) 1022 printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp); 1023 printed += fprintf(fp, "%c", '/'); 1024 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp); 1025 if (PRINT_FIELD(DSO)) 1026 printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp); 1027 printed += print_bstack_flags(fp, entries + i); 1028 addr_location__exit(&alt); 1029 addr_location__exit(&alf); 1030 } 1031 1032 return printed; 1033 } 1034 1035 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample, 1036 struct thread *thread, 1037 struct evsel *evsel, FILE *fp) 1038 { 1039 struct branch_stack *br = sample->branch_stack; 1040 struct branch_entry *entries = perf_sample__branch_entries(sample); 1041 u64 i, from, to; 1042 int printed = 0; 1043 1044 if (!(br && br->nr)) 1045 return 0; 1046 1047 for (i = 0; i < br->nr; i++) { 1048 struct addr_location alf, alt; 1049 1050 addr_location__init(&alf); 1051 addr_location__init(&alt); 1052 from = entries[i].from; 1053 to = entries[i].to; 1054 1055 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) && 1056 !dso__adjust_symbols(map__dso(alf.map))) 1057 from = map__dso_map_ip(alf.map, from); 1058 1059 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) && 1060 !dso__adjust_symbols(map__dso(alt.map))) 1061 to = map__dso_map_ip(alt.map, to); 1062 1063 printed += fprintf(fp, " 0x%"PRIx64, from); 1064 if (PRINT_FIELD(DSO)) 1065 printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp); 1066 printed += fprintf(fp, "/0x%"PRIx64, to); 1067 if (PRINT_FIELD(DSO)) 1068 printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp); 1069 printed += print_bstack_flags(fp, entries + i); 1070 addr_location__exit(&alt); 1071 addr_location__exit(&alf); 1072 } 1073 1074 return printed; 1075 } 1076 #define MAXBB 16384UL 1077 1078 static int grab_bb(u8 *buffer, u64 start, u64 end, 1079 struct machine *machine, struct thread *thread, 1080 bool *is64bit, u8 *cpumode, bool last) 1081 { 1082 long offset, len; 1083 struct addr_location al; 1084 bool kernel; 1085 struct dso *dso; 1086 int ret = 0; 1087 1088 if (!start || !end) 1089 return 0; 1090 1091 kernel = machine__kernel_ip(machine, start); 1092 if (kernel) 1093 *cpumode = PERF_RECORD_MISC_KERNEL; 1094 else 1095 *cpumode = PERF_RECORD_MISC_USER; 1096 1097 /* 1098 * Block overlaps between kernel and user. 1099 * This can happen due to ring filtering 1100 * On Intel CPUs the entry into the kernel is filtered, 1101 * but the exit is not. Let the caller patch it up. 1102 */ 1103 if (kernel != machine__kernel_ip(machine, end)) { 1104 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end); 1105 return -ENXIO; 1106 } 1107 1108 if (end - start > MAXBB - MAXINSN) { 1109 if (last) 1110 pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end); 1111 else 1112 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start); 1113 return 0; 1114 } 1115 1116 addr_location__init(&al); 1117 if (!thread__find_map(thread, *cpumode, start, &al) || (dso = map__dso(al.map)) == NULL) { 1118 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 1119 goto out; 1120 } 1121 if (dso__data(dso)->status == DSO_DATA_STATUS_ERROR) { 1122 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 1123 goto out; 1124 } 1125 1126 /* Load maps to ensure dso->is_64_bit has been updated */ 1127 map__load(al.map); 1128 1129 offset = map__map_ip(al.map, start); 1130 len = dso__data_read_offset(dso, machine, offset, (u8 *)buffer, 1131 end - start + MAXINSN); 1132 1133 *is64bit = dso__is_64_bit(dso); 1134 if (len <= 0) 1135 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n", 1136 start, end); 1137 ret = len; 1138 out: 1139 addr_location__exit(&al); 1140 return ret; 1141 } 1142 1143 static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state) 1144 { 1145 char *srcfile; 1146 int ret = 0; 1147 unsigned line; 1148 int len; 1149 char *srccode; 1150 struct dso *dso; 1151 1152 if (!map || (dso = map__dso(map)) == NULL) 1153 return 0; 1154 srcfile = get_srcline_split(dso, 1155 map__rip_2objdump(map, addr), 1156 &line); 1157 if (!srcfile) 1158 return 0; 1159 1160 /* Avoid redundant printing */ 1161 if (state && 1162 state->srcfile && 1163 !strcmp(state->srcfile, srcfile) && 1164 state->line == line) { 1165 free(srcfile); 1166 return 0; 1167 } 1168 1169 srccode = find_sourceline(srcfile, line, &len); 1170 if (!srccode) 1171 goto out_free_line; 1172 1173 ret = fprintf(fp, "|%-8d %.*s", line, len, srccode); 1174 1175 if (state) { 1176 state->srcfile = srcfile; 1177 state->line = line; 1178 } 1179 return ret; 1180 1181 out_free_line: 1182 free(srcfile); 1183 return ret; 1184 } 1185 1186 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr) 1187 { 1188 struct addr_location al; 1189 int ret = 0; 1190 1191 addr_location__init(&al); 1192 thread__find_map(thread, cpumode, addr, &al); 1193 if (!al.map) 1194 goto out; 1195 ret = map__fprintf_srccode(al.map, al.addr, stdout, 1196 thread__srccode_state(thread)); 1197 if (ret) 1198 ret += printf("\n"); 1199 out: 1200 addr_location__exit(&al); 1201 return ret; 1202 } 1203 1204 static int any_dump_insn(struct evsel *evsel __maybe_unused, 1205 struct perf_insn *x, uint64_t ip, 1206 u8 *inbuf, int inlen, int *lenp, 1207 FILE *fp) 1208 { 1209 #ifdef HAVE_LIBCAPSTONE_SUPPORT 1210 if (PRINT_FIELD(BRSTACKDISASM)) { 1211 int printed = fprintf_insn_asm(x->machine, x->thread, x->cpumode, x->is64bit, 1212 (uint8_t *)inbuf, inlen, ip, lenp, 1213 PRINT_INSN_IMM_HEX, fp); 1214 1215 if (printed > 0) 1216 return printed; 1217 } 1218 #endif 1219 return fprintf(fp, "%s", dump_insn(x, ip, inbuf, inlen, lenp)); 1220 } 1221 1222 static int add_padding(FILE *fp, int printed, int padding) 1223 { 1224 if (printed >= 0 && printed < padding) 1225 printed += fprintf(fp, "%*s", padding - printed, ""); 1226 return printed; 1227 } 1228 1229 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en, 1230 struct perf_insn *x, u8 *inbuf, int len, 1231 int insn, FILE *fp, int *total_cycles, 1232 struct evsel *evsel, 1233 struct thread *thread, 1234 u64 br_cntr) 1235 { 1236 int ilen = 0; 1237 int printed = fprintf(fp, "\t%016" PRIx64 "\t", ip); 1238 1239 printed += add_padding(fp, any_dump_insn(evsel, x, ip, inbuf, len, &ilen, fp), 30); 1240 printed += fprintf(fp, "\t"); 1241 1242 if (PRINT_FIELD(BRSTACKINSNLEN)) 1243 printed += fprintf(fp, "ilen: %d\t", ilen); 1244 1245 if (PRINT_FIELD(SRCLINE)) { 1246 struct addr_location al; 1247 1248 addr_location__init(&al); 1249 thread__find_map(thread, x->cpumode, ip, &al); 1250 printed += map__fprintf_srcline(al.map, al.addr, " srcline: ", fp); 1251 printed += fprintf(fp, "\t"); 1252 addr_location__exit(&al); 1253 } 1254 1255 if (PRINT_FIELD(BRCNTR)) { 1256 struct evsel *pos = evsel__leader(evsel); 1257 unsigned int i = 0, j, num, mask, width; 1258 1259 perf_env__find_br_cntr_info(evsel__env(evsel), NULL, &width); 1260 mask = (1L << width) - 1; 1261 printed += fprintf(fp, "br_cntr: "); 1262 evlist__for_each_entry_from(evsel->evlist, pos) { 1263 if (!(pos->core.attr.branch_sample_type & PERF_SAMPLE_BRANCH_COUNTERS)) 1264 continue; 1265 if (evsel__leader(pos) != evsel__leader(evsel)) 1266 break; 1267 1268 num = (br_cntr >> (i++ * width)) & mask; 1269 if (!verbose) { 1270 for (j = 0; j < num; j++) 1271 printed += fprintf(fp, "%s", pos->abbr_name); 1272 } else 1273 printed += fprintf(fp, "%s %d ", pos->name, num); 1274 } 1275 printed += fprintf(fp, "\t"); 1276 } 1277 1278 printed += fprintf(fp, "#%s%s%s%s", 1279 en->flags.predicted ? " PRED" : "", 1280 en->flags.mispred ? " MISPRED" : "", 1281 en->flags.in_tx ? " INTX" : "", 1282 en->flags.abort ? " ABORT" : ""); 1283 if (en->flags.cycles) { 1284 *total_cycles += en->flags.cycles; 1285 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles); 1286 if (insn) 1287 printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles); 1288 } 1289 1290 return printed + fprintf(fp, "\n"); 1291 } 1292 1293 static int ip__fprintf_sym(uint64_t addr, struct thread *thread, 1294 u8 cpumode, int cpu, struct symbol **lastsym, 1295 struct evsel *evsel, FILE *fp) 1296 { 1297 struct addr_location al; 1298 int off, printed = 0, ret = 0; 1299 1300 addr_location__init(&al); 1301 thread__find_map(thread, cpumode, addr, &al); 1302 1303 if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end) 1304 goto out; 1305 1306 al.cpu = cpu; 1307 al.sym = NULL; 1308 if (al.map) 1309 al.sym = map__find_symbol(al.map, al.addr); 1310 1311 if (!al.sym) 1312 goto out; 1313 1314 if (al.addr < al.sym->end) 1315 off = al.addr - al.sym->start; 1316 else 1317 off = al.addr - map__start(al.map) - al.sym->start; 1318 printed += fprintf(fp, "\t%s", al.sym->name); 1319 if (off) 1320 printed += fprintf(fp, "%+d", off); 1321 printed += fprintf(fp, ":"); 1322 if (PRINT_FIELD(SRCLINE)) 1323 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp); 1324 printed += fprintf(fp, "\n"); 1325 *lastsym = al.sym; 1326 1327 ret = printed; 1328 out: 1329 addr_location__exit(&al); 1330 return ret; 1331 } 1332 1333 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample, 1334 struct evsel *evsel, 1335 struct thread *thread, 1336 struct perf_event_attr *attr, 1337 struct machine *machine, FILE *fp) 1338 { 1339 struct branch_stack *br = sample->branch_stack; 1340 struct branch_entry *entries = perf_sample__branch_entries(sample); 1341 u64 start, end; 1342 int i, insn, len, nr, ilen, printed = 0; 1343 struct perf_insn x; 1344 u8 buffer[MAXBB]; 1345 unsigned off; 1346 struct symbol *lastsym = NULL; 1347 int total_cycles = 0; 1348 u64 br_cntr = 0; 1349 1350 if (!(br && br->nr)) 1351 return 0; 1352 nr = br->nr; 1353 if (max_blocks && nr > max_blocks + 1) 1354 nr = max_blocks + 1; 1355 1356 x.thread = thread; 1357 x.machine = machine; 1358 x.cpu = sample->cpu; 1359 1360 if (PRINT_FIELD(BRCNTR) && sample->branch_stack_cntr) 1361 br_cntr = sample->branch_stack_cntr[nr - 1]; 1362 1363 printed += fprintf(fp, "%c", '\n'); 1364 1365 /* Handle first from jump, of which we don't know the entry. */ 1366 len = grab_bb(buffer, entries[nr-1].from, 1367 entries[nr-1].from, 1368 machine, thread, &x.is64bit, &x.cpumode, false); 1369 if (len > 0) { 1370 printed += ip__fprintf_sym(entries[nr - 1].from, thread, 1371 x.cpumode, x.cpu, &lastsym, evsel, fp); 1372 printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1], 1373 &x, buffer, len, 0, fp, &total_cycles, 1374 evsel, thread, br_cntr); 1375 if (PRINT_FIELD(SRCCODE)) 1376 printed += print_srccode(thread, x.cpumode, entries[nr - 1].from); 1377 } 1378 1379 /* Print all blocks */ 1380 for (i = nr - 2; i >= 0; i--) { 1381 if (entries[i].from || entries[i].to) 1382 pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i, 1383 entries[i].from, 1384 entries[i].to); 1385 start = entries[i + 1].to; 1386 end = entries[i].from; 1387 1388 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1389 /* Patch up missing kernel transfers due to ring filters */ 1390 if (len == -ENXIO && i > 0) { 1391 end = entries[--i].from; 1392 pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end); 1393 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1394 } 1395 if (len <= 0) 1396 continue; 1397 1398 insn = 0; 1399 for (off = 0; off < (unsigned)len; off += ilen) { 1400 uint64_t ip = start + off; 1401 1402 printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, evsel, fp); 1403 if (ip == end) { 1404 if (PRINT_FIELD(BRCNTR) && sample->branch_stack_cntr) 1405 br_cntr = sample->branch_stack_cntr[i]; 1406 printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp, 1407 &total_cycles, evsel, thread, br_cntr); 1408 if (PRINT_FIELD(SRCCODE)) 1409 printed += print_srccode(thread, x.cpumode, ip); 1410 break; 1411 } else { 1412 ilen = 0; 1413 printed += fprintf(fp, "\t%016" PRIx64 "\t", ip); 1414 printed += any_dump_insn(evsel, &x, ip, buffer + off, len - off, &ilen, fp); 1415 if (PRINT_FIELD(BRSTACKINSNLEN)) 1416 printed += fprintf(fp, "\tilen: %d", ilen); 1417 printed += fprintf(fp, "\n"); 1418 if (ilen == 0) 1419 break; 1420 if (PRINT_FIELD(SRCCODE)) 1421 print_srccode(thread, x.cpumode, ip); 1422 insn++; 1423 } 1424 } 1425 if (off != end - start) 1426 printed += fprintf(fp, "\tmismatch of LBR data and executable\n"); 1427 } 1428 1429 /* 1430 * Hit the branch? In this case we are already done, and the target 1431 * has not been executed yet. 1432 */ 1433 if (entries[0].from == sample->ip) 1434 goto out; 1435 if (entries[0].flags.abort) 1436 goto out; 1437 1438 /* 1439 * Print final block up to sample 1440 * 1441 * Due to pipeline delays the LBRs might be missing a branch 1442 * or two, which can result in very large or negative blocks 1443 * between final branch and sample. When this happens just 1444 * continue walking after the last TO. 1445 */ 1446 start = entries[0].to; 1447 end = sample->ip; 1448 if (end < start) { 1449 /* Missing jump. Scan 128 bytes for the next branch */ 1450 end = start + 128; 1451 } 1452 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true); 1453 printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, evsel, fp); 1454 if (len <= 0) { 1455 /* Print at least last IP if basic block did not work */ 1456 len = grab_bb(buffer, sample->ip, sample->ip, 1457 machine, thread, &x.is64bit, &x.cpumode, false); 1458 if (len <= 0) 1459 goto out; 1460 ilen = 0; 1461 printed += fprintf(fp, "\t%016" PRIx64 "\t", sample->ip); 1462 printed += any_dump_insn(evsel, &x, sample->ip, buffer, len, &ilen, fp); 1463 if (PRINT_FIELD(BRSTACKINSNLEN)) 1464 printed += fprintf(fp, "\tilen: %d", ilen); 1465 printed += fprintf(fp, "\n"); 1466 if (PRINT_FIELD(SRCCODE)) 1467 print_srccode(thread, x.cpumode, sample->ip); 1468 goto out; 1469 } 1470 for (off = 0; off <= end - start; off += ilen) { 1471 ilen = 0; 1472 printed += fprintf(fp, "\t%016" PRIx64 "\t", start + off); 1473 printed += any_dump_insn(evsel, &x, start + off, buffer + off, len - off, &ilen, fp); 1474 if (PRINT_FIELD(BRSTACKINSNLEN)) 1475 printed += fprintf(fp, "\tilen: %d", ilen); 1476 printed += fprintf(fp, "\n"); 1477 if (ilen == 0) 1478 break; 1479 if ((attr->branch_sample_type == 0 || attr->branch_sample_type & PERF_SAMPLE_BRANCH_ANY) 1480 && arch_is_uncond_branch(buffer + off, len - off, x.is64bit) 1481 && start + off != sample->ip) { 1482 /* 1483 * Hit a missing branch. Just stop. 1484 */ 1485 printed += fprintf(fp, "\t... not reaching sample ...\n"); 1486 break; 1487 } 1488 if (PRINT_FIELD(SRCCODE)) 1489 print_srccode(thread, x.cpumode, start + off); 1490 } 1491 out: 1492 return printed; 1493 } 1494 1495 static int perf_sample__fprintf_addr(struct perf_sample *sample, 1496 struct thread *thread, 1497 struct evsel *evsel, FILE *fp) 1498 { 1499 struct addr_location al; 1500 int printed = fprintf(fp, "%16" PRIx64, sample->addr); 1501 1502 addr_location__init(&al); 1503 if (!sample_addr_correlates_sym(&evsel->core.attr)) 1504 goto out; 1505 1506 thread__resolve(thread, &al, sample); 1507 1508 if (PRINT_FIELD(SYM)) { 1509 printed += fprintf(fp, " "); 1510 if (PRINT_FIELD(SYMOFFSET)) 1511 printed += symbol__fprintf_symname_offs(al.sym, &al, fp); 1512 else 1513 printed += symbol__fprintf_symname(al.sym, fp); 1514 } 1515 1516 if (PRINT_FIELD(DSO)) 1517 printed += map__fprintf_dsoname_dsoff(al.map, PRINT_FIELD(DSOFF), al.addr, fp); 1518 out: 1519 addr_location__exit(&al); 1520 return printed; 1521 } 1522 1523 static const char *resolve_branch_sym(struct perf_sample *sample, 1524 struct evsel *evsel, 1525 struct thread *thread, 1526 struct addr_location *al, 1527 struct addr_location *addr_al, 1528 u64 *ip) 1529 { 1530 const char *name = NULL; 1531 1532 if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) { 1533 if (sample_addr_correlates_sym(&evsel->core.attr)) { 1534 if (!addr_al->thread) 1535 thread__resolve(thread, addr_al, sample); 1536 if (addr_al->sym) 1537 name = addr_al->sym->name; 1538 else 1539 *ip = sample->addr; 1540 } else { 1541 *ip = sample->addr; 1542 } 1543 } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) { 1544 if (al->sym) 1545 name = al->sym->name; 1546 else 1547 *ip = sample->ip; 1548 } 1549 return name; 1550 } 1551 1552 static int perf_sample__fprintf_callindent(struct perf_sample *sample, 1553 struct evsel *evsel, 1554 struct thread *thread, 1555 struct addr_location *al, 1556 struct addr_location *addr_al, 1557 FILE *fp) 1558 { 1559 size_t depth = thread_stack__depth(thread, sample->cpu); 1560 const char *name = NULL; 1561 static int spacing; 1562 int len = 0; 1563 int dlen = 0; 1564 u64 ip = 0; 1565 1566 /* 1567 * The 'return' has already been popped off the stack so the depth has 1568 * to be adjusted to match the 'call'. 1569 */ 1570 if (thread__ts(thread) && sample->flags & PERF_IP_FLAG_RETURN) 1571 depth += 1; 1572 1573 name = resolve_branch_sym(sample, evsel, thread, al, addr_al, &ip); 1574 1575 if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) { 1576 dlen += fprintf(fp, "("); 1577 dlen += map__fprintf_dsoname(al->map, fp); 1578 dlen += fprintf(fp, ")\t"); 1579 } 1580 1581 if (name) 1582 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name); 1583 else if (ip) 1584 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip); 1585 1586 if (len < 0) 1587 return len; 1588 1589 /* 1590 * Try to keep the output length from changing frequently so that the 1591 * output lines up more nicely. 1592 */ 1593 if (len > spacing || (len && len < spacing - 52)) 1594 spacing = round_up(len + 4, 32); 1595 1596 if (len < spacing) 1597 len += fprintf(fp, "%*s", spacing - len, ""); 1598 1599 return len + dlen; 1600 } 1601 1602 static int perf_sample__fprintf_insn(struct perf_sample *sample, 1603 struct evsel *evsel, 1604 struct perf_event_attr *attr, 1605 struct thread *thread, 1606 struct machine *machine, FILE *fp, 1607 struct addr_location *al) 1608 { 1609 int printed = 0; 1610 1611 script_fetch_insn(sample, thread, machine, native_arch); 1612 1613 if (PRINT_FIELD(INSNLEN)) 1614 printed += fprintf(fp, " ilen: %d", sample->insn_len); 1615 if (PRINT_FIELD(INSN) && sample->insn_len) { 1616 printed += fprintf(fp, " insn: "); 1617 printed += sample__fprintf_insn_raw(sample, fp); 1618 } 1619 if (PRINT_FIELD(DISASM) && sample->insn_len) { 1620 printed += fprintf(fp, "\t\t"); 1621 printed += sample__fprintf_insn_asm(sample, thread, machine, fp, al); 1622 } 1623 if (PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN) || PRINT_FIELD(BRSTACKDISASM)) 1624 printed += perf_sample__fprintf_brstackinsn(sample, evsel, thread, attr, machine, fp); 1625 1626 return printed; 1627 } 1628 1629 static int perf_sample__fprintf_ipc(struct perf_sample *sample, 1630 struct evsel *evsel, FILE *fp) 1631 { 1632 unsigned int ipc; 1633 1634 if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt) 1635 return 0; 1636 1637 ipc = (sample->insn_cnt * 100) / sample->cyc_cnt; 1638 1639 return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ", 1640 ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt); 1641 } 1642 1643 static int perf_sample__fprintf_bts(struct perf_sample *sample, 1644 struct evsel *evsel, 1645 struct thread *thread, 1646 struct addr_location *al, 1647 struct addr_location *addr_al, 1648 struct machine *machine, FILE *fp) 1649 { 1650 struct perf_event_attr *attr = &evsel->core.attr; 1651 unsigned int type = evsel__output_type(evsel); 1652 bool print_srcline_last = false; 1653 int printed = 0; 1654 1655 if (PRINT_FIELD(CALLINDENT)) 1656 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, addr_al, fp); 1657 1658 /* print branch_from information */ 1659 if (PRINT_FIELD(IP)) { 1660 unsigned int print_opts = output[type].print_ip_opts; 1661 struct callchain_cursor *cursor = NULL; 1662 1663 if (symbol_conf.use_callchain && sample->callchain) { 1664 cursor = get_tls_callchain_cursor(); 1665 if (thread__resolve_callchain(al->thread, cursor, evsel, 1666 sample, NULL, NULL, 1667 scripting_max_stack)) 1668 cursor = NULL; 1669 } 1670 if (cursor == NULL) { 1671 printed += fprintf(fp, " "); 1672 if (print_opts & EVSEL__PRINT_SRCLINE) { 1673 print_srcline_last = true; 1674 print_opts &= ~EVSEL__PRINT_SRCLINE; 1675 } 1676 } else 1677 printed += fprintf(fp, "\n"); 1678 1679 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, 1680 symbol_conf.bt_stop_list, fp); 1681 } 1682 1683 /* print branch_to information */ 1684 if (PRINT_FIELD(ADDR) || 1685 ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 1686 !output[type].user_set)) { 1687 printed += fprintf(fp, " => "); 1688 printed += perf_sample__fprintf_addr(sample, thread, evsel, fp); 1689 } 1690 1691 printed += perf_sample__fprintf_ipc(sample, evsel, fp); 1692 1693 if (print_srcline_last) 1694 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp); 1695 1696 printed += perf_sample__fprintf_insn(sample, evsel, attr, thread, machine, fp, al); 1697 printed += fprintf(fp, "\n"); 1698 if (PRINT_FIELD(SRCCODE)) { 1699 int ret = map__fprintf_srccode(al->map, al->addr, stdout, 1700 thread__srccode_state(thread)); 1701 if (ret) { 1702 printed += ret; 1703 printed += printf("\n"); 1704 } 1705 } 1706 return printed; 1707 } 1708 1709 static int perf_sample__fprintf_flags(u32 flags, FILE *fp) 1710 { 1711 char str[SAMPLE_FLAGS_BUF_SIZE]; 1712 1713 perf_sample__sprintf_flags(flags, str, sizeof(str)); 1714 return fprintf(fp, " %-21s ", str); 1715 } 1716 1717 struct printer_data { 1718 int line_no; 1719 bool hit_nul; 1720 bool is_printable; 1721 }; 1722 1723 static int sample__fprintf_bpf_output(enum binary_printer_ops op, 1724 unsigned int val, 1725 void *extra, FILE *fp) 1726 { 1727 unsigned char ch = (unsigned char)val; 1728 struct printer_data *printer_data = extra; 1729 int printed = 0; 1730 1731 switch (op) { 1732 case BINARY_PRINT_DATA_BEGIN: 1733 printed += fprintf(fp, "\n"); 1734 break; 1735 case BINARY_PRINT_LINE_BEGIN: 1736 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" : 1737 " "); 1738 break; 1739 case BINARY_PRINT_ADDR: 1740 printed += fprintf(fp, " %04x:", val); 1741 break; 1742 case BINARY_PRINT_NUM_DATA: 1743 printed += fprintf(fp, " %02x", val); 1744 break; 1745 case BINARY_PRINT_NUM_PAD: 1746 printed += fprintf(fp, " "); 1747 break; 1748 case BINARY_PRINT_SEP: 1749 printed += fprintf(fp, " "); 1750 break; 1751 case BINARY_PRINT_CHAR_DATA: 1752 if (printer_data->hit_nul && ch) 1753 printer_data->is_printable = false; 1754 1755 if (!isprint(ch)) { 1756 printed += fprintf(fp, "%c", '.'); 1757 1758 if (!printer_data->is_printable) 1759 break; 1760 1761 if (ch == '\0') 1762 printer_data->hit_nul = true; 1763 else 1764 printer_data->is_printable = false; 1765 } else { 1766 printed += fprintf(fp, "%c", ch); 1767 } 1768 break; 1769 case BINARY_PRINT_CHAR_PAD: 1770 printed += fprintf(fp, " "); 1771 break; 1772 case BINARY_PRINT_LINE_END: 1773 printed += fprintf(fp, "\n"); 1774 printer_data->line_no++; 1775 break; 1776 case BINARY_PRINT_DATA_END: 1777 default: 1778 break; 1779 } 1780 1781 return printed; 1782 } 1783 1784 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp) 1785 { 1786 unsigned int nr_bytes = sample->raw_size; 1787 struct printer_data printer_data = {0, false, true}; 1788 int printed = binary__fprintf(sample->raw_data, nr_bytes, 8, 1789 sample__fprintf_bpf_output, &printer_data, fp); 1790 1791 if (printer_data.is_printable && printer_data.hit_nul) 1792 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data)); 1793 1794 return printed; 1795 } 1796 1797 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp) 1798 { 1799 if (len > 0 && len < spacing) 1800 return fprintf(fp, "%*s", spacing - len, ""); 1801 1802 return 0; 1803 } 1804 1805 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp) 1806 { 1807 return perf_sample__fprintf_spacing(len, 34, fp); 1808 } 1809 1810 /* If a value contains only printable ASCII characters padded with NULLs */ 1811 static bool ptw_is_prt(u64 val) 1812 { 1813 char c; 1814 u32 i; 1815 1816 for (i = 0; i < sizeof(val); i++) { 1817 c = ((char *)&val)[i]; 1818 if (!c) 1819 break; 1820 if (!isprint(c) || !isascii(c)) 1821 return false; 1822 } 1823 for (; i < sizeof(val); i++) { 1824 c = ((char *)&val)[i]; 1825 if (c) 1826 return false; 1827 } 1828 return true; 1829 } 1830 1831 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp) 1832 { 1833 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample); 1834 char str[sizeof(u64) + 1] = ""; 1835 int len; 1836 u64 val; 1837 1838 if (perf_sample__bad_synth_size(sample, *data)) 1839 return 0; 1840 1841 val = le64_to_cpu(data->payload); 1842 if (ptw_is_prt(val)) { 1843 memcpy(str, &val, sizeof(val)); 1844 str[sizeof(val)] = 0; 1845 } 1846 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " %s ", 1847 data->ip, val, str); 1848 return len + perf_sample__fprintf_pt_spacing(len, fp); 1849 } 1850 1851 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp) 1852 { 1853 struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample); 1854 int len; 1855 1856 if (perf_sample__bad_synth_size(sample, *data)) 1857 return 0; 1858 1859 len = fprintf(fp, " hints: %#x extensions: %#x ", 1860 data->hints, data->extensions); 1861 return len + perf_sample__fprintf_pt_spacing(len, fp); 1862 } 1863 1864 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp) 1865 { 1866 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample); 1867 int len; 1868 1869 if (perf_sample__bad_synth_size(sample, *data)) 1870 return 0; 1871 1872 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ", 1873 data->hw, data->cstate, data->subcstate); 1874 return len + perf_sample__fprintf_pt_spacing(len, fp); 1875 } 1876 1877 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp) 1878 { 1879 struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample); 1880 int len; 1881 1882 if (perf_sample__bad_synth_size(sample, *data)) 1883 return 0; 1884 1885 len = fprintf(fp, " IP: %u ", data->ip); 1886 return len + perf_sample__fprintf_pt_spacing(len, fp); 1887 } 1888 1889 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp) 1890 { 1891 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample); 1892 int len; 1893 1894 if (perf_sample__bad_synth_size(sample, *data)) 1895 return 0; 1896 1897 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ", 1898 data->deepest_cstate, data->last_cstate, 1899 data->wake_reason); 1900 return len + perf_sample__fprintf_pt_spacing(len, fp); 1901 } 1902 1903 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp) 1904 { 1905 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample); 1906 unsigned int percent, freq; 1907 int len; 1908 1909 if (perf_sample__bad_synth_size(sample, *data)) 1910 return 0; 1911 1912 freq = (le32_to_cpu(data->freq) + 500) / 1000; 1913 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq); 1914 if (data->max_nonturbo) { 1915 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10; 1916 len += fprintf(fp, "(%3u%%) ", percent); 1917 } 1918 return len + perf_sample__fprintf_pt_spacing(len, fp); 1919 } 1920 1921 static int perf_sample__fprintf_synth_psb(struct perf_sample *sample, FILE *fp) 1922 { 1923 struct perf_synth_intel_psb *data = perf_sample__synth_ptr(sample); 1924 int len; 1925 1926 if (perf_sample__bad_synth_size(sample, *data)) 1927 return 0; 1928 1929 len = fprintf(fp, " psb offs: %#" PRIx64, data->offset); 1930 return len + perf_sample__fprintf_pt_spacing(len, fp); 1931 } 1932 1933 /* Intel PT Event Trace */ 1934 static int perf_sample__fprintf_synth_evt(struct perf_sample *sample, FILE *fp) 1935 { 1936 struct perf_synth_intel_evt *data = perf_sample__synth_ptr(sample); 1937 const char *cfe[32] = {NULL, "INTR", "IRET", "SMI", "RSM", "SIPI", 1938 "INIT", "VMENTRY", "VMEXIT", "VMEXIT_INTR", 1939 "SHUTDOWN", NULL, "UINTR", "UIRET"}; 1940 const char *evd[64] = {"PFA", "VMXQ", "VMXR"}; 1941 const char *s; 1942 int len, i; 1943 1944 if (perf_sample__bad_synth_size(sample, *data)) 1945 return 0; 1946 1947 s = cfe[data->type]; 1948 if (s) { 1949 len = fprintf(fp, " cfe: %s IP: %d vector: %u", 1950 s, data->ip, data->vector); 1951 } else { 1952 len = fprintf(fp, " cfe: %u IP: %d vector: %u", 1953 data->type, data->ip, data->vector); 1954 } 1955 for (i = 0; i < data->evd_cnt; i++) { 1956 unsigned int et = data->evd[i].evd_type & 0x3f; 1957 1958 s = evd[et]; 1959 if (s) { 1960 len += fprintf(fp, " %s: %#" PRIx64, 1961 s, data->evd[i].payload); 1962 } else { 1963 len += fprintf(fp, " EVD_%u: %#" PRIx64, 1964 et, data->evd[i].payload); 1965 } 1966 } 1967 return len + perf_sample__fprintf_pt_spacing(len, fp); 1968 } 1969 1970 static int perf_sample__fprintf_synth_iflag_chg(struct perf_sample *sample, FILE *fp) 1971 { 1972 struct perf_synth_intel_iflag_chg *data = perf_sample__synth_ptr(sample); 1973 int len; 1974 1975 if (perf_sample__bad_synth_size(sample, *data)) 1976 return 0; 1977 1978 len = fprintf(fp, " IFLAG: %d->%d %s branch", !data->iflag, data->iflag, 1979 data->via_branch ? "via" : "non"); 1980 return len + perf_sample__fprintf_pt_spacing(len, fp); 1981 } 1982 1983 static int perf_sample__fprintf_synth(struct perf_sample *sample, 1984 struct evsel *evsel, FILE *fp) 1985 { 1986 switch (evsel->core.attr.config) { 1987 case PERF_SYNTH_INTEL_PTWRITE: 1988 return perf_sample__fprintf_synth_ptwrite(sample, fp); 1989 case PERF_SYNTH_INTEL_MWAIT: 1990 return perf_sample__fprintf_synth_mwait(sample, fp); 1991 case PERF_SYNTH_INTEL_PWRE: 1992 return perf_sample__fprintf_synth_pwre(sample, fp); 1993 case PERF_SYNTH_INTEL_EXSTOP: 1994 return perf_sample__fprintf_synth_exstop(sample, fp); 1995 case PERF_SYNTH_INTEL_PWRX: 1996 return perf_sample__fprintf_synth_pwrx(sample, fp); 1997 case PERF_SYNTH_INTEL_CBR: 1998 return perf_sample__fprintf_synth_cbr(sample, fp); 1999 case PERF_SYNTH_INTEL_PSB: 2000 return perf_sample__fprintf_synth_psb(sample, fp); 2001 case PERF_SYNTH_INTEL_EVT: 2002 return perf_sample__fprintf_synth_evt(sample, fp); 2003 case PERF_SYNTH_INTEL_IFLAG_CHG: 2004 return perf_sample__fprintf_synth_iflag_chg(sample, fp); 2005 default: 2006 break; 2007 } 2008 2009 return 0; 2010 } 2011 2012 static int evlist__max_name_len(struct evlist *evlist) 2013 { 2014 struct evsel *evsel; 2015 int max = 0; 2016 2017 evlist__for_each_entry(evlist, evsel) { 2018 int len = strlen(evsel__name(evsel)); 2019 2020 max = MAX(len, max); 2021 } 2022 2023 return max; 2024 } 2025 2026 static int data_src__fprintf(u64 data_src, FILE *fp) 2027 { 2028 struct mem_info *mi = mem_info__new(); 2029 char decode[100]; 2030 char out[100]; 2031 static int maxlen; 2032 int len; 2033 2034 if (!mi) 2035 return -ENOMEM; 2036 2037 mem_info__data_src(mi)->val = data_src; 2038 perf_script__meminfo_scnprintf(decode, 100, mi); 2039 mem_info__put(mi); 2040 2041 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode); 2042 if (maxlen < len) 2043 maxlen = len; 2044 2045 return fprintf(fp, "%-*s", maxlen, out); 2046 } 2047 2048 struct metric_ctx { 2049 struct perf_sample *sample; 2050 struct thread *thread; 2051 struct evsel *evsel; 2052 FILE *fp; 2053 }; 2054 2055 static void script_print_metric(struct perf_stat_config *config __maybe_unused, 2056 void *ctx, enum metric_threshold_classify thresh, 2057 const char *fmt, const char *unit, double val) 2058 { 2059 struct metric_ctx *mctx = ctx; 2060 const char *color = metric_threshold_classify__color(thresh); 2061 2062 if (!fmt) 2063 return; 2064 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, 2065 PERF_RECORD_SAMPLE, mctx->fp); 2066 fputs("\tmetric: ", mctx->fp); 2067 if (color) 2068 color_fprintf(mctx->fp, color, fmt, val); 2069 else 2070 printf(fmt, val); 2071 fprintf(mctx->fp, " %s\n", unit); 2072 } 2073 2074 static void script_new_line(struct perf_stat_config *config __maybe_unused, 2075 void *ctx) 2076 { 2077 struct metric_ctx *mctx = ctx; 2078 2079 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, 2080 PERF_RECORD_SAMPLE, mctx->fp); 2081 fputs("\tmetric: ", mctx->fp); 2082 } 2083 2084 static void perf_sample__fprint_metric(struct perf_script *script, 2085 struct thread *thread, 2086 struct evsel *evsel, 2087 struct perf_sample *sample, 2088 FILE *fp) 2089 { 2090 struct evsel *leader = evsel__leader(evsel); 2091 struct perf_stat_output_ctx ctx = { 2092 .print_metric = script_print_metric, 2093 .new_line = script_new_line, 2094 .ctx = &(struct metric_ctx) { 2095 .sample = sample, 2096 .thread = thread, 2097 .evsel = evsel, 2098 .fp = fp, 2099 }, 2100 .force_header = false, 2101 }; 2102 struct evsel *ev2; 2103 u64 val; 2104 2105 if (!evsel->stats) 2106 evlist__alloc_stats(&stat_config, script->session->evlist, /*alloc_raw=*/false); 2107 if (evsel_script(leader)->gnum++ == 0) 2108 perf_stat__reset_shadow_stats(); 2109 val = sample->period * evsel->scale; 2110 evsel_script(evsel)->val = val; 2111 if (evsel_script(leader)->gnum == leader->core.nr_members) { 2112 for_each_group_member (ev2, leader) { 2113 perf_stat__print_shadow_stats(&stat_config, ev2, 2114 evsel_script(ev2)->val, 2115 sample->cpu, 2116 &ctx, 2117 NULL); 2118 } 2119 evsel_script(leader)->gnum = 0; 2120 } 2121 } 2122 2123 static bool show_event(struct perf_sample *sample, 2124 struct evsel *evsel, 2125 struct thread *thread, 2126 struct addr_location *al, 2127 struct addr_location *addr_al) 2128 { 2129 int depth = thread_stack__depth(thread, sample->cpu); 2130 2131 if (!symbol_conf.graph_function) 2132 return true; 2133 2134 if (thread__filter(thread)) { 2135 if (depth <= thread__filter_entry_depth(thread)) { 2136 thread__set_filter(thread, false); 2137 return false; 2138 } 2139 return true; 2140 } else { 2141 const char *s = symbol_conf.graph_function; 2142 u64 ip; 2143 const char *name = resolve_branch_sym(sample, evsel, thread, al, addr_al, 2144 &ip); 2145 unsigned nlen; 2146 2147 if (!name) 2148 return false; 2149 nlen = strlen(name); 2150 while (*s) { 2151 unsigned len = strcspn(s, ","); 2152 if (nlen == len && !strncmp(name, s, len)) { 2153 thread__set_filter(thread, true); 2154 thread__set_filter_entry_depth(thread, depth); 2155 return true; 2156 } 2157 s += len; 2158 if (*s == ',') 2159 s++; 2160 } 2161 return false; 2162 } 2163 } 2164 2165 static void process_event(struct perf_script *script, 2166 struct perf_sample *sample, struct evsel *evsel, 2167 struct addr_location *al, 2168 struct addr_location *addr_al, 2169 struct machine *machine) 2170 { 2171 struct thread *thread = al->thread; 2172 struct perf_event_attr *attr = &evsel->core.attr; 2173 unsigned int type = evsel__output_type(evsel); 2174 struct evsel_script *es = evsel->priv; 2175 FILE *fp = es->fp; 2176 char str[PAGE_SIZE_NAME_LEN]; 2177 const char *arch = perf_env__arch(machine->env); 2178 2179 if (output[type].fields == 0) 2180 return; 2181 2182 ++es->samples; 2183 2184 perf_sample__fprintf_start(script, sample, thread, evsel, 2185 PERF_RECORD_SAMPLE, fp); 2186 2187 if (PRINT_FIELD(PERIOD)) 2188 fprintf(fp, "%10" PRIu64 " ", sample->period); 2189 2190 if (PRINT_FIELD(EVNAME)) { 2191 const char *evname = evsel__name(evsel); 2192 2193 if (!script->name_width) 2194 script->name_width = evlist__max_name_len(script->session->evlist); 2195 2196 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]"); 2197 } 2198 2199 if (print_flags) 2200 perf_sample__fprintf_flags(sample->flags, fp); 2201 2202 if (is_bts_event(attr)) { 2203 perf_sample__fprintf_bts(sample, evsel, thread, al, addr_al, machine, fp); 2204 return; 2205 } 2206 #ifdef HAVE_LIBTRACEEVENT 2207 if (PRINT_FIELD(TRACE) && sample->raw_data) { 2208 const struct tep_event *tp_format = evsel__tp_format(evsel); 2209 2210 if (tp_format) { 2211 event_format__fprintf(tp_format, sample->cpu, 2212 sample->raw_data, sample->raw_size, 2213 fp); 2214 } 2215 } 2216 #endif 2217 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH)) 2218 perf_sample__fprintf_synth(sample, evsel, fp); 2219 2220 if (PRINT_FIELD(ADDR)) 2221 perf_sample__fprintf_addr(sample, thread, evsel, fp); 2222 2223 if (PRINT_FIELD(DATA_SRC)) 2224 data_src__fprintf(sample->data_src, fp); 2225 2226 if (PRINT_FIELD(WEIGHT)) 2227 fprintf(fp, "%16" PRIu64, sample->weight); 2228 2229 if (PRINT_FIELD(INS_LAT)) 2230 fprintf(fp, "%16" PRIu16, sample->ins_lat); 2231 2232 if (PRINT_FIELD(RETIRE_LAT)) 2233 fprintf(fp, "%16" PRIu16, sample->retire_lat); 2234 2235 if (PRINT_FIELD(CGROUP)) { 2236 const char *cgrp_name; 2237 struct cgroup *cgrp = cgroup__find(machine->env, 2238 sample->cgroup); 2239 if (cgrp != NULL) 2240 cgrp_name = cgrp->name; 2241 else 2242 cgrp_name = "unknown"; 2243 fprintf(fp, " %s", cgrp_name); 2244 } 2245 2246 if (PRINT_FIELD(IP)) { 2247 struct callchain_cursor *cursor = NULL; 2248 2249 if (script->stitch_lbr) 2250 thread__set_lbr_stitch_enable(al->thread, true); 2251 2252 if (symbol_conf.use_callchain && sample->callchain) { 2253 cursor = get_tls_callchain_cursor(); 2254 if (thread__resolve_callchain(al->thread, cursor, evsel, 2255 sample, NULL, NULL, 2256 scripting_max_stack)) 2257 cursor = NULL; 2258 } 2259 fputc(cursor ? '\n' : ' ', fp); 2260 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, 2261 symbol_conf.bt_stop_list, fp); 2262 } 2263 2264 if (PRINT_FIELD(IREGS)) 2265 perf_sample__fprintf_iregs(sample, attr, arch, fp); 2266 2267 if (PRINT_FIELD(UREGS)) 2268 perf_sample__fprintf_uregs(sample, attr, arch, fp); 2269 2270 if (PRINT_FIELD(BRSTACK)) 2271 perf_sample__fprintf_brstack(sample, thread, evsel, fp); 2272 else if (PRINT_FIELD(BRSTACKSYM)) 2273 perf_sample__fprintf_brstacksym(sample, thread, evsel, fp); 2274 else if (PRINT_FIELD(BRSTACKOFF)) 2275 perf_sample__fprintf_brstackoff(sample, thread, evsel, fp); 2276 2277 if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT)) 2278 perf_sample__fprintf_bpf_output(sample, fp); 2279 perf_sample__fprintf_insn(sample, evsel, attr, thread, machine, fp, al); 2280 2281 if (PRINT_FIELD(PHYS_ADDR)) 2282 fprintf(fp, "%16" PRIx64, sample->phys_addr); 2283 2284 if (PRINT_FIELD(DATA_PAGE_SIZE)) 2285 fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str)); 2286 2287 if (PRINT_FIELD(CODE_PAGE_SIZE)) 2288 fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str)); 2289 2290 perf_sample__fprintf_ipc(sample, evsel, fp); 2291 2292 fprintf(fp, "\n"); 2293 2294 if (PRINT_FIELD(SRCCODE)) { 2295 if (map__fprintf_srccode(al->map, al->addr, stdout, 2296 thread__srccode_state(thread))) 2297 printf("\n"); 2298 } 2299 2300 if (PRINT_FIELD(METRIC)) 2301 perf_sample__fprint_metric(script, thread, evsel, sample, fp); 2302 2303 if (verbose > 0) 2304 fflush(fp); 2305 } 2306 2307 static struct scripting_ops *scripting_ops; 2308 2309 static void __process_stat(struct evsel *counter, u64 tstamp) 2310 { 2311 int nthreads = perf_thread_map__nr(counter->core.threads); 2312 int idx, thread; 2313 struct perf_cpu cpu; 2314 static int header_printed; 2315 2316 if (!header_printed) { 2317 printf("%3s %8s %15s %15s %15s %15s %s\n", 2318 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT"); 2319 header_printed = 1; 2320 } 2321 2322 for (thread = 0; thread < nthreads; thread++) { 2323 perf_cpu_map__for_each_cpu(cpu, idx, evsel__cpus(counter)) { 2324 struct perf_counts_values *counts; 2325 2326 counts = perf_counts(counter->counts, idx, thread); 2327 2328 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n", 2329 cpu.cpu, 2330 perf_thread_map__pid(counter->core.threads, thread), 2331 counts->val, 2332 counts->ena, 2333 counts->run, 2334 tstamp, 2335 evsel__name(counter)); 2336 } 2337 } 2338 } 2339 2340 static void process_stat(struct evsel *counter, u64 tstamp) 2341 { 2342 if (scripting_ops && scripting_ops->process_stat) 2343 scripting_ops->process_stat(&stat_config, counter, tstamp); 2344 else 2345 __process_stat(counter, tstamp); 2346 } 2347 2348 static void process_stat_interval(u64 tstamp) 2349 { 2350 if (scripting_ops && scripting_ops->process_stat_interval) 2351 scripting_ops->process_stat_interval(tstamp); 2352 } 2353 2354 static void setup_scripting(void) 2355 { 2356 #ifdef HAVE_LIBTRACEEVENT 2357 setup_perl_scripting(); 2358 #endif 2359 setup_python_scripting(); 2360 } 2361 2362 static int flush_scripting(void) 2363 { 2364 return scripting_ops ? scripting_ops->flush_script() : 0; 2365 } 2366 2367 static int cleanup_scripting(void) 2368 { 2369 pr_debug("\nperf script stopped\n"); 2370 2371 return scripting_ops ? scripting_ops->stop_script() : 0; 2372 } 2373 2374 static bool filter_cpu(struct perf_sample *sample) 2375 { 2376 if (cpu_list && sample->cpu != (u32)-1) 2377 return !test_bit(sample->cpu, cpu_bitmap); 2378 return false; 2379 } 2380 2381 static int process_sample_event(const struct perf_tool *tool, 2382 union perf_event *event, 2383 struct perf_sample *sample, 2384 struct evsel *evsel, 2385 struct machine *machine) 2386 { 2387 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2388 struct addr_location al; 2389 struct addr_location addr_al; 2390 int ret = 0; 2391 2392 /* Set thread to NULL to indicate addr_al and al are not initialized */ 2393 addr_location__init(&al); 2394 addr_location__init(&addr_al); 2395 2396 ret = dlfilter__filter_event_early(dlfilter, event, sample, evsel, machine, &al, &addr_al); 2397 if (ret) { 2398 if (ret > 0) 2399 ret = 0; 2400 goto out_put; 2401 } 2402 2403 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num, 2404 sample->time)) { 2405 goto out_put; 2406 } 2407 2408 if (debug_mode) { 2409 if (sample->time < last_timestamp) { 2410 pr_err("Samples misordered, previous: %" PRIu64 2411 " this: %" PRIu64 "\n", last_timestamp, 2412 sample->time); 2413 nr_unordered++; 2414 } 2415 last_timestamp = sample->time; 2416 goto out_put; 2417 } 2418 2419 if (filter_cpu(sample)) 2420 goto out_put; 2421 2422 if (!al.thread && machine__resolve(machine, &al, sample) < 0) { 2423 pr_err("problem processing %d event, skipping it.\n", 2424 event->header.type); 2425 ret = -1; 2426 goto out_put; 2427 } 2428 2429 if (al.filtered) 2430 goto out_put; 2431 2432 if (!show_event(sample, evsel, al.thread, &al, &addr_al)) 2433 goto out_put; 2434 2435 if (evswitch__discard(&scr->evswitch, evsel)) 2436 goto out_put; 2437 2438 ret = dlfilter__filter_event(dlfilter, event, sample, evsel, machine, &al, &addr_al); 2439 if (ret) { 2440 if (ret > 0) 2441 ret = 0; 2442 goto out_put; 2443 } 2444 2445 if (scripting_ops) { 2446 struct addr_location *addr_al_ptr = NULL; 2447 2448 if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 2449 sample_addr_correlates_sym(&evsel->core.attr)) { 2450 if (!addr_al.thread) 2451 thread__resolve(al.thread, &addr_al, sample); 2452 addr_al_ptr = &addr_al; 2453 } 2454 scripting_ops->process_event(event, sample, evsel, &al, addr_al_ptr); 2455 } else { 2456 process_event(scr, sample, evsel, &al, &addr_al, machine); 2457 } 2458 2459 out_put: 2460 addr_location__exit(&addr_al); 2461 addr_location__exit(&al); 2462 return ret; 2463 } 2464 2465 // Used when scr->per_event_dump is not set 2466 static struct evsel_script es_stdout; 2467 2468 static int process_attr(const struct perf_tool *tool, union perf_event *event, 2469 struct evlist **pevlist) 2470 { 2471 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2472 struct evlist *evlist; 2473 struct evsel *evsel, *pos; 2474 u64 sample_type; 2475 int err; 2476 2477 err = perf_event__process_attr(tool, event, pevlist); 2478 if (err) 2479 return err; 2480 2481 evlist = *pevlist; 2482 evsel = evlist__last(*pevlist); 2483 2484 if (!evsel->priv) { 2485 if (scr->per_event_dump) { 2486 evsel->priv = evsel_script__new(evsel, scr->session->data); 2487 if (!evsel->priv) 2488 return -ENOMEM; 2489 } else { // Replicate what is done in perf_script__setup_per_event_dump() 2490 es_stdout.fp = stdout; 2491 evsel->priv = &es_stdout; 2492 } 2493 } 2494 2495 if (evsel->core.attr.type >= PERF_TYPE_MAX && 2496 evsel->core.attr.type != PERF_TYPE_SYNTH) 2497 return 0; 2498 2499 evlist__for_each_entry(evlist, pos) { 2500 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel) 2501 return 0; 2502 } 2503 2504 if (evsel->core.attr.sample_type) { 2505 err = evsel__check_attr(evsel, scr->session); 2506 if (err) 2507 return err; 2508 } 2509 2510 /* 2511 * Check if we need to enable callchains based 2512 * on events sample_type. 2513 */ 2514 sample_type = evlist__combined_sample_type(evlist); 2515 callchain_param_setup(sample_type, perf_env__arch((*pevlist)->env)); 2516 2517 /* Enable fields for callchain entries */ 2518 if (symbol_conf.use_callchain && 2519 (sample_type & PERF_SAMPLE_CALLCHAIN || 2520 sample_type & PERF_SAMPLE_BRANCH_STACK || 2521 (sample_type & PERF_SAMPLE_REGS_USER && 2522 sample_type & PERF_SAMPLE_STACK_USER))) { 2523 int type = evsel__output_type(evsel); 2524 2525 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP)) 2526 output[type].fields |= PERF_OUTPUT_IP; 2527 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM)) 2528 output[type].fields |= PERF_OUTPUT_SYM; 2529 } 2530 evsel__set_print_ip_opts(evsel); 2531 return 0; 2532 } 2533 2534 static int print_event_with_time(const struct perf_tool *tool, 2535 union perf_event *event, 2536 struct perf_sample *sample, 2537 struct machine *machine, 2538 pid_t pid, pid_t tid, u64 timestamp) 2539 { 2540 struct perf_script *script = container_of(tool, struct perf_script, tool); 2541 struct perf_session *session = script->session; 2542 struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id); 2543 struct thread *thread = NULL; 2544 2545 if (evsel && !evsel->core.attr.sample_id_all) { 2546 sample->cpu = 0; 2547 sample->time = timestamp; 2548 sample->pid = pid; 2549 sample->tid = tid; 2550 } 2551 2552 if (filter_cpu(sample)) 2553 return 0; 2554 2555 if (tid != -1) 2556 thread = machine__findnew_thread(machine, pid, tid); 2557 2558 if (evsel) { 2559 perf_sample__fprintf_start(script, sample, thread, evsel, 2560 event->header.type, stdout); 2561 } 2562 2563 perf_event__fprintf(event, machine, stdout); 2564 2565 thread__put(thread); 2566 2567 return 0; 2568 } 2569 2570 static int print_event(const struct perf_tool *tool, union perf_event *event, 2571 struct perf_sample *sample, struct machine *machine, 2572 pid_t pid, pid_t tid) 2573 { 2574 return print_event_with_time(tool, event, sample, machine, pid, tid, 0); 2575 } 2576 2577 static int process_comm_event(const struct perf_tool *tool, 2578 union perf_event *event, 2579 struct perf_sample *sample, 2580 struct machine *machine) 2581 { 2582 if (perf_event__process_comm(tool, event, sample, machine) < 0) 2583 return -1; 2584 2585 return print_event(tool, event, sample, machine, event->comm.pid, 2586 event->comm.tid); 2587 } 2588 2589 static int process_namespaces_event(const struct perf_tool *tool, 2590 union perf_event *event, 2591 struct perf_sample *sample, 2592 struct machine *machine) 2593 { 2594 if (perf_event__process_namespaces(tool, event, sample, machine) < 0) 2595 return -1; 2596 2597 return print_event(tool, event, sample, machine, event->namespaces.pid, 2598 event->namespaces.tid); 2599 } 2600 2601 static int process_cgroup_event(const struct perf_tool *tool, 2602 union perf_event *event, 2603 struct perf_sample *sample, 2604 struct machine *machine) 2605 { 2606 if (perf_event__process_cgroup(tool, event, sample, machine) < 0) 2607 return -1; 2608 2609 return print_event(tool, event, sample, machine, sample->pid, 2610 sample->tid); 2611 } 2612 2613 static int process_fork_event(const struct perf_tool *tool, 2614 union perf_event *event, 2615 struct perf_sample *sample, 2616 struct machine *machine) 2617 { 2618 if (perf_event__process_fork(tool, event, sample, machine) < 0) 2619 return -1; 2620 2621 return print_event_with_time(tool, event, sample, machine, 2622 event->fork.pid, event->fork.tid, 2623 event->fork.time); 2624 } 2625 static int process_exit_event(const struct perf_tool *tool, 2626 union perf_event *event, 2627 struct perf_sample *sample, 2628 struct machine *machine) 2629 { 2630 /* Print before 'exit' deletes anything */ 2631 if (print_event_with_time(tool, event, sample, machine, event->fork.pid, 2632 event->fork.tid, event->fork.time)) 2633 return -1; 2634 2635 return perf_event__process_exit(tool, event, sample, machine); 2636 } 2637 2638 static int process_mmap_event(const struct perf_tool *tool, 2639 union perf_event *event, 2640 struct perf_sample *sample, 2641 struct machine *machine) 2642 { 2643 if (perf_event__process_mmap(tool, event, sample, machine) < 0) 2644 return -1; 2645 2646 return print_event(tool, event, sample, machine, event->mmap.pid, 2647 event->mmap.tid); 2648 } 2649 2650 static int process_mmap2_event(const struct perf_tool *tool, 2651 union perf_event *event, 2652 struct perf_sample *sample, 2653 struct machine *machine) 2654 { 2655 if (perf_event__process_mmap2(tool, event, sample, machine) < 0) 2656 return -1; 2657 2658 return print_event(tool, event, sample, machine, event->mmap2.pid, 2659 event->mmap2.tid); 2660 } 2661 2662 static int process_switch_event(const struct perf_tool *tool, 2663 union perf_event *event, 2664 struct perf_sample *sample, 2665 struct machine *machine) 2666 { 2667 struct perf_script *script = container_of(tool, struct perf_script, tool); 2668 2669 if (perf_event__process_switch(tool, event, sample, machine) < 0) 2670 return -1; 2671 2672 if (scripting_ops && scripting_ops->process_switch && !filter_cpu(sample)) 2673 scripting_ops->process_switch(event, sample, machine); 2674 2675 if (!script->show_switch_events) 2676 return 0; 2677 2678 return print_event(tool, event, sample, machine, sample->pid, 2679 sample->tid); 2680 } 2681 2682 static int process_auxtrace_error(struct perf_session *session, 2683 union perf_event *event) 2684 { 2685 if (scripting_ops && scripting_ops->process_auxtrace_error) { 2686 scripting_ops->process_auxtrace_error(session, event); 2687 return 0; 2688 } 2689 2690 return perf_event__process_auxtrace_error(session, event); 2691 } 2692 2693 static int 2694 process_lost_event(const struct perf_tool *tool, 2695 union perf_event *event, 2696 struct perf_sample *sample, 2697 struct machine *machine) 2698 { 2699 return print_event(tool, event, sample, machine, sample->pid, 2700 sample->tid); 2701 } 2702 2703 static int 2704 process_throttle_event(const struct perf_tool *tool __maybe_unused, 2705 union perf_event *event, 2706 struct perf_sample *sample, 2707 struct machine *machine) 2708 { 2709 if (scripting_ops && scripting_ops->process_throttle) 2710 scripting_ops->process_throttle(event, sample, machine); 2711 return 0; 2712 } 2713 2714 static int 2715 process_finished_round_event(const struct perf_tool *tool __maybe_unused, 2716 union perf_event *event, 2717 struct ordered_events *oe __maybe_unused) 2718 2719 { 2720 perf_event__fprintf(event, NULL, stdout); 2721 return 0; 2722 } 2723 2724 static int 2725 process_bpf_events(const struct perf_tool *tool __maybe_unused, 2726 union perf_event *event, 2727 struct perf_sample *sample, 2728 struct machine *machine) 2729 { 2730 if (machine__process_ksymbol(machine, event, sample) < 0) 2731 return -1; 2732 2733 return print_event(tool, event, sample, machine, sample->pid, 2734 sample->tid); 2735 } 2736 2737 static int process_text_poke_events(const struct perf_tool *tool, 2738 union perf_event *event, 2739 struct perf_sample *sample, 2740 struct machine *machine) 2741 { 2742 if (perf_event__process_text_poke(tool, event, sample, machine) < 0) 2743 return -1; 2744 2745 return print_event(tool, event, sample, machine, sample->pid, 2746 sample->tid); 2747 } 2748 2749 static void sig_handler(int sig __maybe_unused) 2750 { 2751 session_done = 1; 2752 } 2753 2754 static void perf_script__fclose_per_event_dump(struct perf_script *script) 2755 { 2756 struct evlist *evlist = script->session->evlist; 2757 struct evsel *evsel; 2758 2759 evlist__for_each_entry(evlist, evsel) { 2760 if (!evsel->priv) 2761 break; 2762 evsel_script__delete(evsel->priv); 2763 evsel->priv = NULL; 2764 } 2765 } 2766 2767 static int perf_script__fopen_per_event_dump(struct perf_script *script) 2768 { 2769 struct evsel *evsel; 2770 2771 evlist__for_each_entry(script->session->evlist, evsel) { 2772 /* 2773 * Already setup? I.e. we may be called twice in cases like 2774 * Intel PT, one for the intel_pt// and dummy events, then 2775 * for the evsels synthesized from the auxtrace info. 2776 * 2777 * Ses perf_script__process_auxtrace_info. 2778 */ 2779 if (evsel->priv != NULL) 2780 continue; 2781 2782 evsel->priv = evsel_script__new(evsel, script->session->data); 2783 if (evsel->priv == NULL) 2784 goto out_err_fclose; 2785 } 2786 2787 return 0; 2788 2789 out_err_fclose: 2790 perf_script__fclose_per_event_dump(script); 2791 return -1; 2792 } 2793 2794 static int perf_script__setup_per_event_dump(struct perf_script *script) 2795 { 2796 struct evsel *evsel; 2797 2798 if (script->per_event_dump) 2799 return perf_script__fopen_per_event_dump(script); 2800 2801 es_stdout.fp = stdout; 2802 2803 evlist__for_each_entry(script->session->evlist, evsel) 2804 evsel->priv = &es_stdout; 2805 2806 return 0; 2807 } 2808 2809 static void perf_script__exit_per_event_dump_stats(struct perf_script *script) 2810 { 2811 struct evsel *evsel; 2812 2813 evlist__for_each_entry(script->session->evlist, evsel) { 2814 struct evsel_script *es = evsel->priv; 2815 2816 evsel_script__fprintf(es, stdout); 2817 evsel_script__delete(es); 2818 evsel->priv = NULL; 2819 } 2820 } 2821 2822 static void perf_script__exit(struct perf_script *script) 2823 { 2824 perf_thread_map__put(script->threads); 2825 perf_cpu_map__put(script->cpus); 2826 } 2827 2828 static int __cmd_script(struct perf_script *script) 2829 { 2830 int ret; 2831 2832 signal(SIGINT, sig_handler); 2833 2834 /* override event processing functions */ 2835 if (script->show_task_events) { 2836 script->tool.comm = process_comm_event; 2837 script->tool.fork = process_fork_event; 2838 script->tool.exit = process_exit_event; 2839 } 2840 if (script->show_mmap_events) { 2841 script->tool.mmap = process_mmap_event; 2842 script->tool.mmap2 = process_mmap2_event; 2843 } 2844 if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch)) 2845 script->tool.context_switch = process_switch_event; 2846 if (scripting_ops && scripting_ops->process_auxtrace_error) 2847 script->tool.auxtrace_error = process_auxtrace_error; 2848 if (script->show_namespace_events) 2849 script->tool.namespaces = process_namespaces_event; 2850 if (script->show_cgroup_events) 2851 script->tool.cgroup = process_cgroup_event; 2852 if (script->show_lost_events) 2853 script->tool.lost = process_lost_event; 2854 if (script->show_round_events) { 2855 script->tool.ordered_events = false; 2856 script->tool.finished_round = process_finished_round_event; 2857 } 2858 if (script->show_bpf_events) { 2859 script->tool.ksymbol = process_bpf_events; 2860 script->tool.bpf = process_bpf_events; 2861 } 2862 if (script->show_text_poke_events) { 2863 script->tool.ksymbol = process_bpf_events; 2864 script->tool.text_poke = process_text_poke_events; 2865 } 2866 2867 if (perf_script__setup_per_event_dump(script)) { 2868 pr_err("Couldn't create the per event dump files\n"); 2869 return -1; 2870 } 2871 2872 ret = perf_session__process_events(script->session); 2873 2874 if (script->per_event_dump) 2875 perf_script__exit_per_event_dump_stats(script); 2876 2877 if (debug_mode) 2878 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); 2879 2880 return ret; 2881 } 2882 2883 static int list_available_languages_cb(struct scripting_ops *ops, const char *spec) 2884 { 2885 fprintf(stderr, " %-42s [%s]\n", spec, ops->name); 2886 return 0; 2887 } 2888 2889 static void list_available_languages(void) 2890 { 2891 fprintf(stderr, "\n"); 2892 fprintf(stderr, "Scripting language extensions (used in " 2893 "perf script -s [spec:]script.[spec]):\n\n"); 2894 script_spec__for_each(&list_available_languages_cb); 2895 fprintf(stderr, "\n"); 2896 } 2897 2898 /* Find script file relative to current directory or exec path */ 2899 static char *find_script(const char *script) 2900 { 2901 char path[PATH_MAX]; 2902 2903 if (!scripting_ops) { 2904 const char *ext = strrchr(script, '.'); 2905 2906 if (!ext) 2907 return NULL; 2908 2909 scripting_ops = script_spec__lookup(++ext); 2910 if (!scripting_ops) 2911 return NULL; 2912 } 2913 2914 if (access(script, R_OK)) { 2915 char *exec_path = get_argv_exec_path(); 2916 2917 if (!exec_path) 2918 return NULL; 2919 snprintf(path, sizeof(path), "%s/scripts/%s/%s", 2920 exec_path, scripting_ops->dirname, script); 2921 free(exec_path); 2922 script = path; 2923 if (access(script, R_OK)) 2924 return NULL; 2925 } 2926 return strdup(script); 2927 } 2928 2929 static int parse_scriptname(const struct option *opt __maybe_unused, 2930 const char *str, int unset __maybe_unused) 2931 { 2932 char spec[PATH_MAX]; 2933 const char *script, *ext; 2934 int len; 2935 2936 if (strcmp(str, "lang") == 0) { 2937 list_available_languages(); 2938 exit(0); 2939 } 2940 2941 script = strchr(str, ':'); 2942 if (script) { 2943 len = script - str; 2944 if (len >= PATH_MAX) { 2945 fprintf(stderr, "invalid language specifier"); 2946 return -1; 2947 } 2948 strncpy(spec, str, len); 2949 spec[len] = '\0'; 2950 scripting_ops = script_spec__lookup(spec); 2951 if (!scripting_ops) { 2952 fprintf(stderr, "invalid language specifier"); 2953 return -1; 2954 } 2955 script++; 2956 } else { 2957 script = str; 2958 ext = strrchr(script, '.'); 2959 if (!ext) { 2960 fprintf(stderr, "invalid script extension"); 2961 return -1; 2962 } 2963 scripting_ops = script_spec__lookup(++ext); 2964 if (!scripting_ops) { 2965 fprintf(stderr, "invalid script extension"); 2966 return -1; 2967 } 2968 } 2969 2970 script_name = find_script(script); 2971 if (!script_name) 2972 script_name = strdup(script); 2973 2974 return 0; 2975 } 2976 2977 static int parse_output_fields(const struct option *opt __maybe_unused, 2978 const char *arg, int unset __maybe_unused) 2979 { 2980 char *tok, *strtok_saveptr = NULL; 2981 int i, imax = ARRAY_SIZE(all_output_options); 2982 int j; 2983 int rc = 0; 2984 char *str = strdup(arg); 2985 int type = -1; 2986 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT; 2987 2988 if (!str) 2989 return -ENOMEM; 2990 2991 /* first word can state for which event type the user is specifying 2992 * the fields. If no type exists, the specified fields apply to all 2993 * event types found in the file minus the invalid fields for a type. 2994 */ 2995 tok = strchr(str, ':'); 2996 if (tok) { 2997 *tok = '\0'; 2998 tok++; 2999 if (!strcmp(str, "hw")) 3000 type = PERF_TYPE_HARDWARE; 3001 else if (!strcmp(str, "sw")) 3002 type = PERF_TYPE_SOFTWARE; 3003 else if (!strcmp(str, "trace")) 3004 type = PERF_TYPE_TRACEPOINT; 3005 else if (!strcmp(str, "raw")) 3006 type = PERF_TYPE_RAW; 3007 else if (!strcmp(str, "break")) 3008 type = PERF_TYPE_BREAKPOINT; 3009 else if (!strcmp(str, "synth")) 3010 type = OUTPUT_TYPE_SYNTH; 3011 else { 3012 fprintf(stderr, "Invalid event type in field string.\n"); 3013 rc = -EINVAL; 3014 goto out; 3015 } 3016 3017 if (output[type].user_set) 3018 pr_warning("Overriding previous field request for %s events.\n", 3019 event_type(type)); 3020 3021 /* Don't override defaults for +- */ 3022 if (strchr(tok, '+') || strchr(tok, '-')) 3023 goto parse; 3024 3025 output[type].fields = 0; 3026 output[type].user_set = true; 3027 output[type].wildcard_set = false; 3028 3029 } else { 3030 tok = str; 3031 if (strlen(str) == 0) { 3032 fprintf(stderr, 3033 "Cannot set fields to 'none' for all event types.\n"); 3034 rc = -EINVAL; 3035 goto out; 3036 } 3037 3038 /* Don't override defaults for +- */ 3039 if (strchr(str, '+') || strchr(str, '-')) 3040 goto parse; 3041 3042 if (output_set_by_user()) 3043 pr_warning("Overriding previous field request for all events.\n"); 3044 3045 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 3046 output[j].fields = 0; 3047 output[j].user_set = true; 3048 output[j].wildcard_set = true; 3049 } 3050 } 3051 3052 parse: 3053 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) { 3054 if (*tok == '+') { 3055 if (change == SET) 3056 goto out_badmix; 3057 change = ADD; 3058 tok++; 3059 } else if (*tok == '-') { 3060 if (change == SET) 3061 goto out_badmix; 3062 change = REMOVE; 3063 tok++; 3064 } else { 3065 if (change != SET && change != DEFAULT) 3066 goto out_badmix; 3067 change = SET; 3068 } 3069 3070 for (i = 0; i < imax; ++i) { 3071 if (strcmp(tok, all_output_options[i].str) == 0) 3072 break; 3073 } 3074 if (i == imax && strcmp(tok, "flags") == 0) { 3075 print_flags = change != REMOVE; 3076 continue; 3077 } 3078 if (i == imax) { 3079 fprintf(stderr, "Invalid field requested.\n"); 3080 rc = -EINVAL; 3081 goto out; 3082 } 3083 #ifndef HAVE_LIBCAPSTONE_SUPPORT 3084 if (change != REMOVE && strcmp(tok, "disasm") == 0) { 3085 fprintf(stderr, "Field \"disasm\" requires perf to be built with libcapstone support.\n"); 3086 rc = -EINVAL; 3087 goto out; 3088 } 3089 #endif 3090 3091 if (type == -1) { 3092 /* add user option to all events types for 3093 * which it is valid 3094 */ 3095 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 3096 if (output[j].invalid_fields & all_output_options[i].field) { 3097 pr_warning("\'%s\' not valid for %s events. Ignoring.\n", 3098 all_output_options[i].str, event_type(j)); 3099 } else { 3100 if (change == REMOVE) { 3101 output[j].fields &= ~all_output_options[i].field; 3102 output[j].user_set_fields &= ~all_output_options[i].field; 3103 output[j].user_unset_fields |= all_output_options[i].field; 3104 } else { 3105 output[j].fields |= all_output_options[i].field; 3106 output[j].user_set_fields |= all_output_options[i].field; 3107 output[j].user_unset_fields &= ~all_output_options[i].field; 3108 } 3109 output[j].user_set = true; 3110 output[j].wildcard_set = true; 3111 } 3112 } 3113 } else { 3114 if (output[type].invalid_fields & all_output_options[i].field) { 3115 fprintf(stderr, "\'%s\' not valid for %s events.\n", 3116 all_output_options[i].str, event_type(type)); 3117 3118 rc = -EINVAL; 3119 goto out; 3120 } 3121 if (change == REMOVE) 3122 output[type].fields &= ~all_output_options[i].field; 3123 else 3124 output[type].fields |= all_output_options[i].field; 3125 output[type].user_set = true; 3126 output[type].wildcard_set = true; 3127 } 3128 } 3129 3130 if (type >= 0) { 3131 if (output[type].fields == 0) { 3132 pr_debug("No fields requested for %s type. " 3133 "Events will not be displayed.\n", event_type(type)); 3134 } 3135 } 3136 goto out; 3137 3138 out_badmix: 3139 fprintf(stderr, "Cannot mix +-field with overridden fields\n"); 3140 rc = -EINVAL; 3141 out: 3142 free(str); 3143 return rc; 3144 } 3145 3146 #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \ 3147 while ((lang_dirent = readdir(scripts_dir)) != NULL) \ 3148 if ((lang_dirent->d_type == DT_DIR || \ 3149 (lang_dirent->d_type == DT_UNKNOWN && \ 3150 is_directory(scripts_path, lang_dirent))) && \ 3151 (strcmp(lang_dirent->d_name, ".")) && \ 3152 (strcmp(lang_dirent->d_name, ".."))) 3153 3154 #define for_each_script(lang_path, lang_dir, script_dirent) \ 3155 while ((script_dirent = readdir(lang_dir)) != NULL) \ 3156 if (script_dirent->d_type != DT_DIR && \ 3157 (script_dirent->d_type != DT_UNKNOWN || \ 3158 !is_directory(lang_path, script_dirent))) 3159 3160 3161 #define RECORD_SUFFIX "-record" 3162 #define REPORT_SUFFIX "-report" 3163 3164 struct script_desc { 3165 struct list_head node; 3166 char *name; 3167 char *half_liner; 3168 char *args; 3169 }; 3170 3171 static LIST_HEAD(script_descs); 3172 3173 static struct script_desc *script_desc__new(const char *name) 3174 { 3175 struct script_desc *s = zalloc(sizeof(*s)); 3176 3177 if (s != NULL && name) 3178 s->name = strdup(name); 3179 3180 return s; 3181 } 3182 3183 static void script_desc__delete(struct script_desc *s) 3184 { 3185 zfree(&s->name); 3186 zfree(&s->half_liner); 3187 zfree(&s->args); 3188 free(s); 3189 } 3190 3191 static void script_desc__add(struct script_desc *s) 3192 { 3193 list_add_tail(&s->node, &script_descs); 3194 } 3195 3196 static struct script_desc *script_desc__find(const char *name) 3197 { 3198 struct script_desc *s; 3199 3200 list_for_each_entry(s, &script_descs, node) 3201 if (strcasecmp(s->name, name) == 0) 3202 return s; 3203 return NULL; 3204 } 3205 3206 static struct script_desc *script_desc__findnew(const char *name) 3207 { 3208 struct script_desc *s = script_desc__find(name); 3209 3210 if (s) 3211 return s; 3212 3213 s = script_desc__new(name); 3214 if (!s) 3215 return NULL; 3216 3217 script_desc__add(s); 3218 3219 return s; 3220 } 3221 3222 static const char *ends_with(const char *str, const char *suffix) 3223 { 3224 size_t suffix_len = strlen(suffix); 3225 const char *p = str; 3226 3227 if (strlen(str) > suffix_len) { 3228 p = str + strlen(str) - suffix_len; 3229 if (!strncmp(p, suffix, suffix_len)) 3230 return p; 3231 } 3232 3233 return NULL; 3234 } 3235 3236 static int read_script_info(struct script_desc *desc, const char *filename) 3237 { 3238 char line[BUFSIZ], *p; 3239 FILE *fp; 3240 3241 fp = fopen(filename, "r"); 3242 if (!fp) 3243 return -1; 3244 3245 while (fgets(line, sizeof(line), fp)) { 3246 p = skip_spaces(line); 3247 if (strlen(p) == 0) 3248 continue; 3249 if (*p != '#') 3250 continue; 3251 p++; 3252 if (strlen(p) && *p == '!') 3253 continue; 3254 3255 p = skip_spaces(p); 3256 if (strlen(p) && p[strlen(p) - 1] == '\n') 3257 p[strlen(p) - 1] = '\0'; 3258 3259 if (!strncmp(p, "description:", strlen("description:"))) { 3260 p += strlen("description:"); 3261 desc->half_liner = strdup(skip_spaces(p)); 3262 continue; 3263 } 3264 3265 if (!strncmp(p, "args:", strlen("args:"))) { 3266 p += strlen("args:"); 3267 desc->args = strdup(skip_spaces(p)); 3268 continue; 3269 } 3270 } 3271 3272 fclose(fp); 3273 3274 return 0; 3275 } 3276 3277 static char *get_script_root(struct dirent *script_dirent, const char *suffix) 3278 { 3279 char *script_root, *str; 3280 3281 script_root = strdup(script_dirent->d_name); 3282 if (!script_root) 3283 return NULL; 3284 3285 str = (char *)ends_with(script_root, suffix); 3286 if (!str) { 3287 free(script_root); 3288 return NULL; 3289 } 3290 3291 *str = '\0'; 3292 return script_root; 3293 } 3294 3295 static int list_available_scripts(const struct option *opt __maybe_unused, 3296 const char *s __maybe_unused, 3297 int unset __maybe_unused) 3298 { 3299 struct dirent *script_dirent, *lang_dirent; 3300 char *buf, *scripts_path, *script_path, *lang_path, *first_half; 3301 DIR *scripts_dir, *lang_dir; 3302 struct script_desc *desc; 3303 char *script_root; 3304 3305 buf = malloc(3 * MAXPATHLEN + BUFSIZ); 3306 if (!buf) { 3307 pr_err("malloc failed\n"); 3308 exit(-1); 3309 } 3310 scripts_path = buf; 3311 script_path = buf + MAXPATHLEN; 3312 lang_path = buf + 2 * MAXPATHLEN; 3313 first_half = buf + 3 * MAXPATHLEN; 3314 3315 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3316 3317 scripts_dir = opendir(scripts_path); 3318 if (!scripts_dir) { 3319 fprintf(stdout, 3320 "open(%s) failed.\n" 3321 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n", 3322 scripts_path); 3323 free(buf); 3324 exit(-1); 3325 } 3326 3327 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3328 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3329 lang_dirent->d_name); 3330 lang_dir = opendir(lang_path); 3331 if (!lang_dir) 3332 continue; 3333 3334 for_each_script(lang_path, lang_dir, script_dirent) { 3335 script_root = get_script_root(script_dirent, REPORT_SUFFIX); 3336 if (script_root) { 3337 desc = script_desc__findnew(script_root); 3338 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3339 lang_path, script_dirent->d_name); 3340 read_script_info(desc, script_path); 3341 free(script_root); 3342 } 3343 } 3344 } 3345 3346 fprintf(stdout, "List of available trace scripts:\n"); 3347 list_for_each_entry(desc, &script_descs, node) { 3348 sprintf(first_half, "%s %s", desc->name, 3349 desc->args ? desc->args : ""); 3350 fprintf(stdout, " %-36s %s\n", first_half, 3351 desc->half_liner ? desc->half_liner : ""); 3352 } 3353 3354 free(buf); 3355 exit(0); 3356 } 3357 3358 static int add_dlarg(const struct option *opt __maybe_unused, 3359 const char *s, int unset __maybe_unused) 3360 { 3361 char *arg = strdup(s); 3362 void *a; 3363 3364 if (!arg) 3365 return -1; 3366 3367 a = realloc(dlargv, sizeof(dlargv[0]) * (dlargc + 1)); 3368 if (!a) { 3369 free(arg); 3370 return -1; 3371 } 3372 3373 dlargv = a; 3374 dlargv[dlargc++] = arg; 3375 3376 return 0; 3377 } 3378 3379 static void free_dlarg(void) 3380 { 3381 while (dlargc--) 3382 free(dlargv[dlargc]); 3383 free(dlargv); 3384 } 3385 3386 static char *get_script_path(const char *script_root, const char *suffix) 3387 { 3388 struct dirent *script_dirent, *lang_dirent; 3389 char scripts_path[MAXPATHLEN]; 3390 char script_path[MAXPATHLEN]; 3391 DIR *scripts_dir, *lang_dir; 3392 char lang_path[MAXPATHLEN]; 3393 char *__script_root; 3394 3395 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3396 3397 scripts_dir = opendir(scripts_path); 3398 if (!scripts_dir) 3399 return NULL; 3400 3401 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3402 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3403 lang_dirent->d_name); 3404 lang_dir = opendir(lang_path); 3405 if (!lang_dir) 3406 continue; 3407 3408 for_each_script(lang_path, lang_dir, script_dirent) { 3409 __script_root = get_script_root(script_dirent, suffix); 3410 if (__script_root && !strcmp(script_root, __script_root)) { 3411 free(__script_root); 3412 closedir(scripts_dir); 3413 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3414 lang_path, script_dirent->d_name); 3415 closedir(lang_dir); 3416 return strdup(script_path); 3417 } 3418 free(__script_root); 3419 } 3420 closedir(lang_dir); 3421 } 3422 closedir(scripts_dir); 3423 3424 return NULL; 3425 } 3426 3427 static bool is_top_script(const char *script_path) 3428 { 3429 return ends_with(script_path, "top") != NULL; 3430 } 3431 3432 static int has_required_arg(char *script_path) 3433 { 3434 struct script_desc *desc; 3435 int n_args = 0; 3436 char *p; 3437 3438 desc = script_desc__new(NULL); 3439 3440 if (read_script_info(desc, script_path)) 3441 goto out; 3442 3443 if (!desc->args) 3444 goto out; 3445 3446 for (p = desc->args; *p; p++) 3447 if (*p == '<') 3448 n_args++; 3449 out: 3450 script_desc__delete(desc); 3451 3452 return n_args; 3453 } 3454 3455 static int have_cmd(int argc, const char **argv) 3456 { 3457 char **__argv = malloc(sizeof(const char *) * argc); 3458 3459 if (!__argv) { 3460 pr_err("malloc failed\n"); 3461 return -1; 3462 } 3463 3464 memcpy(__argv, argv, sizeof(const char *) * argc); 3465 argc = parse_options(argc, (const char **)__argv, record_options, 3466 NULL, PARSE_OPT_STOP_AT_NON_OPTION); 3467 free(__argv); 3468 3469 system_wide = (argc == 0); 3470 3471 return 0; 3472 } 3473 3474 static void script__setup_sample_type(struct perf_script *script) 3475 { 3476 struct perf_session *session = script->session; 3477 u64 sample_type = evlist__combined_sample_type(session->evlist); 3478 3479 callchain_param_setup(sample_type, perf_env__arch(session->machines.host.env)); 3480 3481 if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) { 3482 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n" 3483 "Please apply --call-graph lbr when recording.\n"); 3484 script->stitch_lbr = false; 3485 } 3486 } 3487 3488 static int process_stat_round_event(struct perf_session *session, 3489 union perf_event *event) 3490 { 3491 struct perf_record_stat_round *round = &event->stat_round; 3492 struct evsel *counter; 3493 3494 evlist__for_each_entry(session->evlist, counter) { 3495 perf_stat_process_counter(&stat_config, counter); 3496 process_stat(counter, round->time); 3497 } 3498 3499 process_stat_interval(round->time); 3500 return 0; 3501 } 3502 3503 static int process_stat_config_event(struct perf_session *session __maybe_unused, 3504 union perf_event *event) 3505 { 3506 perf_event__read_stat_config(&stat_config, &event->stat_config); 3507 3508 /* 3509 * Aggregation modes are not used since post-processing scripts are 3510 * supposed to take care of such requirements 3511 */ 3512 stat_config.aggr_mode = AGGR_NONE; 3513 3514 return 0; 3515 } 3516 3517 static int set_maps(struct perf_script *script) 3518 { 3519 struct evlist *evlist = script->session->evlist; 3520 3521 if (!script->cpus || !script->threads) 3522 return 0; 3523 3524 if (WARN_ONCE(script->allocated, "stats double allocation\n")) 3525 return -EINVAL; 3526 3527 perf_evlist__set_maps(&evlist->core, script->cpus, script->threads); 3528 3529 if (evlist__alloc_stats(&stat_config, evlist, /*alloc_raw=*/true)) 3530 return -ENOMEM; 3531 3532 script->allocated = true; 3533 return 0; 3534 } 3535 3536 static 3537 int process_thread_map_event(struct perf_session *session, 3538 union perf_event *event) 3539 { 3540 const struct perf_tool *tool = session->tool; 3541 struct perf_script *script = container_of(tool, struct perf_script, tool); 3542 3543 if (dump_trace) 3544 perf_event__fprintf_thread_map(event, stdout); 3545 3546 if (script->threads) { 3547 pr_warning("Extra thread map event, ignoring.\n"); 3548 return 0; 3549 } 3550 3551 script->threads = thread_map__new_event(&event->thread_map); 3552 if (!script->threads) 3553 return -ENOMEM; 3554 3555 return set_maps(script); 3556 } 3557 3558 static 3559 int process_cpu_map_event(struct perf_session *session, 3560 union perf_event *event) 3561 { 3562 const struct perf_tool *tool = session->tool; 3563 struct perf_script *script = container_of(tool, struct perf_script, tool); 3564 3565 if (dump_trace) 3566 perf_event__fprintf_cpu_map(event, stdout); 3567 3568 if (script->cpus) { 3569 pr_warning("Extra cpu map event, ignoring.\n"); 3570 return 0; 3571 } 3572 3573 script->cpus = cpu_map__new_data(&event->cpu_map.data); 3574 if (!script->cpus) 3575 return -ENOMEM; 3576 3577 return set_maps(script); 3578 } 3579 3580 static int process_feature_event(struct perf_session *session, 3581 union perf_event *event) 3582 { 3583 if (event->feat.feat_id < HEADER_LAST_FEATURE) 3584 return perf_event__process_feature(session, event); 3585 return 0; 3586 } 3587 3588 #ifdef HAVE_AUXTRACE_SUPPORT 3589 static int perf_script__process_auxtrace_info(struct perf_session *session, 3590 union perf_event *event) 3591 { 3592 int ret = perf_event__process_auxtrace_info(session, event); 3593 3594 if (ret == 0) { 3595 const struct perf_tool *tool = session->tool; 3596 struct perf_script *script = container_of(tool, struct perf_script, tool); 3597 3598 ret = perf_script__setup_per_event_dump(script); 3599 } 3600 3601 return ret; 3602 } 3603 #else 3604 #define perf_script__process_auxtrace_info 0 3605 #endif 3606 3607 static int parse_insn_trace(const struct option *opt __maybe_unused, 3608 const char *str, int unset __maybe_unused) 3609 { 3610 const char *fields = "+insn,-event,-period"; 3611 int ret; 3612 3613 if (str) { 3614 if (strcmp(str, "disasm") == 0) 3615 fields = "+disasm,-event,-period"; 3616 else if (strlen(str) != 0 && strcmp(str, "raw") != 0) { 3617 fprintf(stderr, "Only accept raw|disasm\n"); 3618 return -EINVAL; 3619 } 3620 } 3621 3622 ret = parse_output_fields(NULL, fields, 0); 3623 if (ret < 0) 3624 return ret; 3625 3626 itrace_parse_synth_opts(opt, "i0nse", 0); 3627 symbol_conf.nanosecs = true; 3628 return 0; 3629 } 3630 3631 static int parse_xed(const struct option *opt __maybe_unused, 3632 const char *str __maybe_unused, 3633 int unset __maybe_unused) 3634 { 3635 if (isatty(1)) 3636 force_pager("xed -F insn: -A -64 | less"); 3637 else 3638 force_pager("xed -F insn: -A -64"); 3639 return 0; 3640 } 3641 3642 static int parse_call_trace(const struct option *opt __maybe_unused, 3643 const char *str __maybe_unused, 3644 int unset __maybe_unused) 3645 { 3646 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0); 3647 itrace_parse_synth_opts(opt, "cewp", 0); 3648 symbol_conf.nanosecs = true; 3649 symbol_conf.pad_output_len_dso = 50; 3650 return 0; 3651 } 3652 3653 static int parse_callret_trace(const struct option *opt __maybe_unused, 3654 const char *str __maybe_unused, 3655 int unset __maybe_unused) 3656 { 3657 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0); 3658 itrace_parse_synth_opts(opt, "crewp", 0); 3659 symbol_conf.nanosecs = true; 3660 return 0; 3661 } 3662 3663 int cmd_script(int argc, const char **argv) 3664 { 3665 bool show_full_info = false; 3666 bool header = false; 3667 bool header_only = false; 3668 bool script_started = false; 3669 bool unsorted_dump = false; 3670 char *rec_script_path = NULL; 3671 char *rep_script_path = NULL; 3672 struct perf_session *session; 3673 struct itrace_synth_opts itrace_synth_opts = { 3674 .set = false, 3675 .default_no_sample = true, 3676 }; 3677 struct utsname uts; 3678 char *script_path = NULL; 3679 const char *dlfilter_file = NULL; 3680 const char **__argv; 3681 int i, j, err = 0; 3682 struct perf_script script = {}; 3683 struct perf_data data = { 3684 .mode = PERF_DATA_MODE_READ, 3685 }; 3686 const struct option options[] = { 3687 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 3688 "dump raw trace in ASCII"), 3689 OPT_BOOLEAN(0, "dump-unsorted-raw-trace", &unsorted_dump, 3690 "dump unsorted raw trace in ASCII"), 3691 OPT_INCR('v', "verbose", &verbose, 3692 "be more verbose (show symbol address, etc)"), 3693 OPT_BOOLEAN('L', "Latency", &latency_format, 3694 "show latency attributes (irqs/preemption disabled, etc)"), 3695 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", 3696 list_available_scripts), 3697 OPT_CALLBACK_NOOPT(0, "list-dlfilters", NULL, NULL, "list available dlfilters", 3698 list_available_dlfilters), 3699 OPT_CALLBACK('s', "script", NULL, "name", 3700 "script file name (lang:script name, script name, or *)", 3701 parse_scriptname), 3702 OPT_STRING('g', "gen-script", &generate_script_lang, "lang", 3703 "generate perf-script.xx script in specified language"), 3704 OPT_STRING(0, "dlfilter", &dlfilter_file, "file", "filter .so file name"), 3705 OPT_CALLBACK(0, "dlarg", NULL, "argument", "filter argument", 3706 add_dlarg), 3707 OPT_STRING('i', "input", &input_name, "file", "input file name"), 3708 OPT_BOOLEAN('d', "debug-mode", &debug_mode, 3709 "do various checks like samples ordering and lost events"), 3710 OPT_BOOLEAN(0, "header", &header, "Show data header."), 3711 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."), 3712 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 3713 "file", "vmlinux pathname"), 3714 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 3715 "file", "kallsyms pathname"), 3716 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, 3717 "When printing symbols do not display call chain"), 3718 OPT_CALLBACK(0, "symfs", NULL, "directory", 3719 "Look for files with symbols relative to this directory", 3720 symbol__config_symfs), 3721 OPT_CALLBACK('F', "fields", NULL, "str", 3722 "comma separated output fields prepend with 'type:'. " 3723 "+field to add and -field to remove." 3724 "Valid types: hw,sw,trace,raw,synth. " 3725 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,dsoff," 3726 "addr,symoff,srcline,period,iregs,uregs,brstack," 3727 "brstacksym,flags,data_src,weight,bpf-output,brstackinsn," 3728 "brstackinsnlen,brstackdisasm,brstackoff,callindent,insn,disasm,insnlen,synth," 3729 "phys_addr,metric,misc,srccode,ipc,tod,data_page_size," 3730 "code_page_size,ins_lat,machine_pid,vcpu,cgroup,retire_lat," 3731 "brcntr", 3732 parse_output_fields), 3733 OPT_BOOLEAN('a', "all-cpus", &system_wide, 3734 "system-wide collection from all CPUs"), 3735 OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", 3736 "only consider symbols in these DSOs"), 3737 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 3738 "only consider these symbols"), 3739 OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range, 3740 "Use with -S to list traced records within address range"), 3741 OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, "raw|disasm", 3742 "Decode instructions from itrace", parse_insn_trace), 3743 OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL, 3744 "Run xed disassembler on output", parse_xed), 3745 OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL, 3746 "Decode calls from itrace", parse_call_trace), 3747 OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL, 3748 "Decode calls and returns from itrace", parse_callret_trace), 3749 OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]", 3750 "Only print symbols and callees with --call-trace/--call-ret-trace"), 3751 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]", 3752 "Stop display of callgraph at these symbols"), 3753 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), 3754 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 3755 "only display events for these comms"), 3756 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 3757 "only consider symbols in these pids"), 3758 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 3759 "only consider symbols in these tids"), 3760 OPT_UINTEGER(0, "max-stack", &scripting_max_stack, 3761 "Set the maximum stack depth when parsing the callchain, " 3762 "anything beyond the specified depth will be ignored. " 3763 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 3764 OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"), 3765 OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"), 3766 OPT_BOOLEAN('I', "show-info", &show_full_info, 3767 "display extended information from perf.data file"), 3768 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, 3769 "Show the path of [kernel.kallsyms]"), 3770 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, 3771 "Show the fork/comm/exit events"), 3772 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, 3773 "Show the mmap events"), 3774 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events, 3775 "Show context switch events (if recorded)"), 3776 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events, 3777 "Show namespace events (if recorded)"), 3778 OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events, 3779 "Show cgroup events (if recorded)"), 3780 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events, 3781 "Show lost events (if recorded)"), 3782 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events, 3783 "Show round events (if recorded)"), 3784 OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events, 3785 "Show bpf related events (if recorded)"), 3786 OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events, 3787 "Show text poke related events (if recorded)"), 3788 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump, 3789 "Dump trace output to files named by the monitored events"), 3790 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 3791 OPT_INTEGER(0, "max-blocks", &max_blocks, 3792 "Maximum number of code blocks to dump with brstackinsn"), 3793 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, 3794 "Use 9 decimal places when displaying time"), 3795 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 3796 "Instruction Tracing options\n" ITRACE_HELP, 3797 itrace_parse_synth_opts), 3798 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 3799 "Show full source file name path for source lines"), 3800 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 3801 "Enable symbol demangling"), 3802 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 3803 "Enable kernel symbol demangling"), 3804 OPT_STRING(0, "addr2line", &symbol_conf.addr2line_path, "path", 3805 "addr2line binary to use for line numbers"), 3806 OPT_STRING(0, "time", &script.time_str, "str", 3807 "Time span of interest (start,stop)"), 3808 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 3809 "Show inline function"), 3810 OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory", 3811 "guest mount directory under which every guest os" 3812 " instance has a subdir"), 3813 OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name, 3814 "file", "file saving guest os vmlinux"), 3815 OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms, 3816 "file", "file saving guest os /proc/kallsyms"), 3817 OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules, 3818 "file", "file saving guest os /proc/modules"), 3819 OPT_BOOLEAN(0, "guest-code", &symbol_conf.guest_code, 3820 "Guest code can be found in hypervisor process"), 3821 OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr, 3822 "Enable LBR callgraph stitching approach"), 3823 OPTS_EVSWITCH(&script.evswitch), 3824 OPT_END() 3825 }; 3826 const char * const script_subcommands[] = { "record", "report", NULL }; 3827 const char *script_usage[] = { 3828 "perf script [<options>]", 3829 "perf script [<options>] record <script> [<record-options>] <command>", 3830 "perf script [<options>] report <script> [script-args]", 3831 "perf script [<options>] <script> [<record-options>] <command>", 3832 "perf script [<options>] <top-script> [script-args]", 3833 NULL 3834 }; 3835 3836 perf_set_singlethreaded(); 3837 3838 setup_scripting(); 3839 3840 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage, 3841 PARSE_OPT_STOP_AT_NON_OPTION); 3842 3843 if (symbol_conf.guestmount || 3844 symbol_conf.default_guest_vmlinux_name || 3845 symbol_conf.default_guest_kallsyms || 3846 symbol_conf.default_guest_modules || 3847 symbol_conf.guest_code) { 3848 /* 3849 * Enable guest sample processing. 3850 */ 3851 perf_guest = true; 3852 } 3853 3854 data.path = input_name; 3855 data.force = symbol_conf.force; 3856 3857 if (unsorted_dump) 3858 dump_trace = true; 3859 3860 if (symbol__validate_sym_arguments()) 3861 return -1; 3862 3863 if (argc > 1 && strlen(argv[0]) > 2 && strstarts("record", argv[0])) { 3864 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); 3865 if (!rec_script_path) 3866 return cmd_record(argc, argv); 3867 } 3868 3869 if (argc > 1 && strlen(argv[0]) > 2 && strstarts("report", argv[0])) { 3870 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); 3871 if (!rep_script_path) { 3872 fprintf(stderr, 3873 "Please specify a valid report script" 3874 "(see 'perf script -l' for listing)\n"); 3875 return -1; 3876 } 3877 } 3878 3879 if (reltime && deltatime) { 3880 fprintf(stderr, 3881 "reltime and deltatime - the two don't get along well. " 3882 "Please limit to --reltime or --deltatime.\n"); 3883 return -1; 3884 } 3885 3886 if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) && 3887 itrace_synth_opts.callchain_sz > scripting_max_stack) 3888 scripting_max_stack = itrace_synth_opts.callchain_sz; 3889 3890 /* make sure PERF_EXEC_PATH is set for scripts */ 3891 set_argv_exec_path(get_argv_exec_path()); 3892 3893 if (argc && !script_name && !rec_script_path && !rep_script_path) { 3894 int live_pipe[2]; 3895 int rep_args; 3896 pid_t pid; 3897 3898 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); 3899 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); 3900 3901 if (!rec_script_path && !rep_script_path) { 3902 script_name = find_script(argv[0]); 3903 if (script_name) { 3904 argc -= 1; 3905 argv += 1; 3906 goto script_found; 3907 } 3908 usage_with_options_msg(script_usage, options, 3909 "Couldn't find script `%s'\n\n See perf" 3910 " script -l for available scripts.\n", argv[0]); 3911 } 3912 3913 if (is_top_script(argv[0])) { 3914 rep_args = argc - 1; 3915 } else { 3916 int rec_args; 3917 3918 rep_args = has_required_arg(rep_script_path); 3919 rec_args = (argc - 1) - rep_args; 3920 if (rec_args < 0) { 3921 usage_with_options_msg(script_usage, options, 3922 "`%s' script requires options." 3923 "\n\n See perf script -l for available " 3924 "scripts and options.\n", argv[0]); 3925 } 3926 } 3927 3928 if (pipe(live_pipe) < 0) { 3929 perror("failed to create pipe"); 3930 return -1; 3931 } 3932 3933 pid = fork(); 3934 if (pid < 0) { 3935 perror("failed to fork"); 3936 return -1; 3937 } 3938 3939 if (!pid) { 3940 j = 0; 3941 3942 dup2(live_pipe[1], 1); 3943 close(live_pipe[0]); 3944 3945 if (is_top_script(argv[0])) { 3946 system_wide = true; 3947 } else if (!system_wide) { 3948 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { 3949 err = -1; 3950 goto out; 3951 } 3952 } 3953 3954 __argv = malloc((argc + 6) * sizeof(const char *)); 3955 if (!__argv) { 3956 pr_err("malloc failed\n"); 3957 err = -ENOMEM; 3958 goto out; 3959 } 3960 3961 __argv[j++] = "/bin/sh"; 3962 __argv[j++] = rec_script_path; 3963 if (system_wide) 3964 __argv[j++] = "-a"; 3965 __argv[j++] = "-q"; 3966 __argv[j++] = "-o"; 3967 __argv[j++] = "-"; 3968 for (i = rep_args + 1; i < argc; i++) 3969 __argv[j++] = argv[i]; 3970 __argv[j++] = NULL; 3971 3972 execvp("/bin/sh", (char **)__argv); 3973 free(__argv); 3974 exit(-1); 3975 } 3976 3977 dup2(live_pipe[0], 0); 3978 close(live_pipe[1]); 3979 3980 __argv = malloc((argc + 4) * sizeof(const char *)); 3981 if (!__argv) { 3982 pr_err("malloc failed\n"); 3983 err = -ENOMEM; 3984 goto out; 3985 } 3986 3987 j = 0; 3988 __argv[j++] = "/bin/sh"; 3989 __argv[j++] = rep_script_path; 3990 for (i = 1; i < rep_args + 1; i++) 3991 __argv[j++] = argv[i]; 3992 __argv[j++] = "-i"; 3993 __argv[j++] = "-"; 3994 __argv[j++] = NULL; 3995 3996 execvp("/bin/sh", (char **)__argv); 3997 free(__argv); 3998 exit(-1); 3999 } 4000 script_found: 4001 if (rec_script_path) 4002 script_path = rec_script_path; 4003 if (rep_script_path) 4004 script_path = rep_script_path; 4005 4006 if (script_path) { 4007 j = 0; 4008 4009 if (!rec_script_path) 4010 system_wide = false; 4011 else if (!system_wide) { 4012 if (have_cmd(argc - 1, &argv[1]) != 0) { 4013 err = -1; 4014 goto out; 4015 } 4016 } 4017 4018 __argv = malloc((argc + 2) * sizeof(const char *)); 4019 if (!__argv) { 4020 pr_err("malloc failed\n"); 4021 err = -ENOMEM; 4022 goto out; 4023 } 4024 4025 __argv[j++] = "/bin/sh"; 4026 __argv[j++] = script_path; 4027 if (system_wide) 4028 __argv[j++] = "-a"; 4029 for (i = 2; i < argc; i++) 4030 __argv[j++] = argv[i]; 4031 __argv[j++] = NULL; 4032 4033 execvp("/bin/sh", (char **)__argv); 4034 free(__argv); 4035 exit(-1); 4036 } 4037 4038 if (dlfilter_file) { 4039 dlfilter = dlfilter__new(dlfilter_file, dlargc, dlargv); 4040 if (!dlfilter) 4041 return -1; 4042 } 4043 4044 if (!script_name) { 4045 setup_pager(); 4046 use_browser = 0; 4047 } 4048 4049 perf_tool__init(&script.tool, !unsorted_dump); 4050 script.tool.sample = process_sample_event; 4051 script.tool.mmap = perf_event__process_mmap; 4052 script.tool.mmap2 = perf_event__process_mmap2; 4053 script.tool.comm = perf_event__process_comm; 4054 script.tool.namespaces = perf_event__process_namespaces; 4055 script.tool.cgroup = perf_event__process_cgroup; 4056 script.tool.exit = perf_event__process_exit; 4057 script.tool.fork = perf_event__process_fork; 4058 script.tool.attr = process_attr; 4059 script.tool.event_update = perf_event__process_event_update; 4060 #ifdef HAVE_LIBTRACEEVENT 4061 script.tool.tracing_data = perf_event__process_tracing_data; 4062 #endif 4063 script.tool.feature = process_feature_event; 4064 script.tool.build_id = perf_event__process_build_id; 4065 script.tool.id_index = perf_event__process_id_index; 4066 script.tool.auxtrace_info = perf_script__process_auxtrace_info; 4067 script.tool.auxtrace = perf_event__process_auxtrace; 4068 script.tool.auxtrace_error = perf_event__process_auxtrace_error; 4069 script.tool.stat = perf_event__process_stat_event; 4070 script.tool.stat_round = process_stat_round_event; 4071 script.tool.stat_config = process_stat_config_event; 4072 script.tool.thread_map = process_thread_map_event; 4073 script.tool.cpu_map = process_cpu_map_event; 4074 script.tool.throttle = process_throttle_event; 4075 script.tool.unthrottle = process_throttle_event; 4076 script.tool.ordering_requires_timestamps = true; 4077 session = perf_session__new(&data, &script.tool); 4078 if (IS_ERR(session)) 4079 return PTR_ERR(session); 4080 4081 if (header || header_only) { 4082 script.tool.show_feat_hdr = SHOW_FEAT_HEADER; 4083 perf_session__fprintf_info(session, stdout, show_full_info); 4084 if (header_only) 4085 goto out_delete; 4086 } 4087 if (show_full_info) 4088 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 4089 4090 if (symbol__init(&session->header.env) < 0) 4091 goto out_delete; 4092 4093 uname(&uts); 4094 if (data.is_pipe) { /* Assume pipe_mode indicates native_arch */ 4095 native_arch = true; 4096 } else if (session->header.env.arch) { 4097 if (!strcmp(uts.machine, session->header.env.arch)) 4098 native_arch = true; 4099 else if (!strcmp(uts.machine, "x86_64") && 4100 !strcmp(session->header.env.arch, "i386")) 4101 native_arch = true; 4102 } 4103 4104 script.session = session; 4105 script__setup_sample_type(&script); 4106 4107 if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) || 4108 symbol_conf.graph_function) 4109 itrace_synth_opts.thread_stack = true; 4110 4111 session->itrace_synth_opts = &itrace_synth_opts; 4112 4113 if (cpu_list) { 4114 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap); 4115 if (err < 0) 4116 goto out_delete; 4117 itrace_synth_opts.cpu_bitmap = cpu_bitmap; 4118 } 4119 4120 if (!no_callchain) 4121 symbol_conf.use_callchain = true; 4122 else 4123 symbol_conf.use_callchain = false; 4124 4125 #ifdef HAVE_LIBTRACEEVENT 4126 if (session->tevent.pevent && 4127 tep_set_function_resolver(session->tevent.pevent, 4128 machine__resolve_kernel_addr, 4129 &session->machines.host) < 0) { 4130 pr_err("%s: failed to set libtraceevent function resolver\n", __func__); 4131 err = -1; 4132 goto out_delete; 4133 } 4134 #endif 4135 if (generate_script_lang) { 4136 struct stat perf_stat; 4137 int input; 4138 4139 if (output_set_by_user()) { 4140 fprintf(stderr, 4141 "custom fields not supported for generated scripts"); 4142 err = -EINVAL; 4143 goto out_delete; 4144 } 4145 4146 input = open(data.path, O_RDONLY); /* input_name */ 4147 if (input < 0) { 4148 err = -errno; 4149 perror("failed to open file"); 4150 goto out_delete; 4151 } 4152 4153 err = fstat(input, &perf_stat); 4154 if (err < 0) { 4155 perror("failed to stat file"); 4156 goto out_delete; 4157 } 4158 4159 if (!perf_stat.st_size) { 4160 fprintf(stderr, "zero-sized file, nothing to do!\n"); 4161 goto out_delete; 4162 } 4163 4164 scripting_ops = script_spec__lookup(generate_script_lang); 4165 if (!scripting_ops) { 4166 fprintf(stderr, "invalid language specifier"); 4167 err = -ENOENT; 4168 goto out_delete; 4169 } 4170 #ifdef HAVE_LIBTRACEEVENT 4171 err = scripting_ops->generate_script(session->tevent.pevent, 4172 "perf-script"); 4173 #else 4174 err = scripting_ops->generate_script(NULL, "perf-script"); 4175 #endif 4176 goto out_delete; 4177 } 4178 4179 err = dlfilter__start(dlfilter, session); 4180 if (err) 4181 goto out_delete; 4182 4183 if (script_name) { 4184 err = scripting_ops->start_script(script_name, argc, argv, session); 4185 if (err) 4186 goto out_delete; 4187 pr_debug("perf script started with script %s\n\n", script_name); 4188 script_started = true; 4189 } 4190 4191 4192 err = perf_session__check_output_opt(session); 4193 if (err < 0) 4194 goto out_delete; 4195 4196 if (script.time_str) { 4197 err = perf_time__parse_for_ranges_reltime(script.time_str, session, 4198 &script.ptime_range, 4199 &script.range_size, 4200 &script.range_num, 4201 reltime); 4202 if (err < 0) 4203 goto out_delete; 4204 4205 itrace_synth_opts__set_time_range(&itrace_synth_opts, 4206 script.ptime_range, 4207 script.range_num); 4208 } 4209 4210 err = evswitch__init(&script.evswitch, session->evlist, stderr); 4211 if (err) 4212 goto out_delete; 4213 4214 if (zstd_init(&(session->zstd_data), 0) < 0) 4215 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n"); 4216 4217 err = __cmd_script(&script); 4218 4219 flush_scripting(); 4220 4221 if (verbose > 2 || debug_kmaps) 4222 perf_session__dump_kmaps(session); 4223 4224 out_delete: 4225 if (script.ptime_range) { 4226 itrace_synth_opts__clear_time_range(&itrace_synth_opts); 4227 zfree(&script.ptime_range); 4228 } 4229 4230 zstd_fini(&(session->zstd_data)); 4231 evlist__free_stats(session->evlist); 4232 perf_session__delete(session); 4233 perf_script__exit(&script); 4234 4235 if (script_started) 4236 cleanup_scripting(); 4237 dlfilter__cleanup(dlfilter); 4238 free_dlarg(); 4239 out: 4240 return err; 4241 } 4242