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 "perf.h" 66 67#include <linux/ctype.h> 68#ifdef HAVE_LIBTRACEEVENT 69#include <traceevent/event-parse.h> 70#endif 71 72static char const *script_name; 73static char const *generate_script_lang; 74static bool reltime; 75static bool deltatime; 76static u64 initial_time; 77static u64 previous_time; 78static bool debug_mode; 79static u64 last_timestamp; 80static u64 nr_unordered; 81static bool no_callchain; 82static bool latency_format; 83static bool system_wide; 84static bool print_flags; 85static const char *cpu_list; 86static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); 87static struct perf_stat_config stat_config; 88static int max_blocks; 89static bool native_arch; 90static struct dlfilter *dlfilter; 91static int dlargc; 92static char **dlargv; 93 94unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH; 95 96enum perf_output_field { 97 PERF_OUTPUT_COMM = 1ULL << 0, 98 PERF_OUTPUT_TID = 1ULL << 1, 99 PERF_OUTPUT_PID = 1ULL << 2, 100 PERF_OUTPUT_TIME = 1ULL << 3, 101 PERF_OUTPUT_CPU = 1ULL << 4, 102 PERF_OUTPUT_EVNAME = 1ULL << 5, 103 PERF_OUTPUT_TRACE = 1ULL << 6, 104 PERF_OUTPUT_IP = 1ULL << 7, 105 PERF_OUTPUT_SYM = 1ULL << 8, 106 PERF_OUTPUT_DSO = 1ULL << 9, 107 PERF_OUTPUT_ADDR = 1ULL << 10, 108 PERF_OUTPUT_SYMOFFSET = 1ULL << 11, 109 PERF_OUTPUT_SRCLINE = 1ULL << 12, 110 PERF_OUTPUT_PERIOD = 1ULL << 13, 111 PERF_OUTPUT_IREGS = 1ULL << 14, 112 PERF_OUTPUT_BRSTACK = 1ULL << 15, 113 PERF_OUTPUT_BRSTACKSYM = 1ULL << 16, 114 PERF_OUTPUT_DATA_SRC = 1ULL << 17, 115 PERF_OUTPUT_WEIGHT = 1ULL << 18, 116 PERF_OUTPUT_BPF_OUTPUT = 1ULL << 19, 117 PERF_OUTPUT_CALLINDENT = 1ULL << 20, 118 PERF_OUTPUT_INSN = 1ULL << 21, 119 PERF_OUTPUT_INSNLEN = 1ULL << 22, 120 PERF_OUTPUT_BRSTACKINSN = 1ULL << 23, 121 PERF_OUTPUT_BRSTACKOFF = 1ULL << 24, 122 PERF_OUTPUT_SYNTH = 1ULL << 25, 123 PERF_OUTPUT_PHYS_ADDR = 1ULL << 26, 124 PERF_OUTPUT_UREGS = 1ULL << 27, 125 PERF_OUTPUT_METRIC = 1ULL << 28, 126 PERF_OUTPUT_MISC = 1ULL << 29, 127 PERF_OUTPUT_SRCCODE = 1ULL << 30, 128 PERF_OUTPUT_IPC = 1ULL << 31, 129 PERF_OUTPUT_TOD = 1ULL << 32, 130 PERF_OUTPUT_DATA_PAGE_SIZE = 1ULL << 33, 131 PERF_OUTPUT_CODE_PAGE_SIZE = 1ULL << 34, 132 PERF_OUTPUT_INS_LAT = 1ULL << 35, 133 PERF_OUTPUT_BRSTACKINSNLEN = 1ULL << 36, 134 PERF_OUTPUT_MACHINE_PID = 1ULL << 37, 135 PERF_OUTPUT_VCPU = 1ULL << 38, 136 PERF_OUTPUT_CGROUP = 1ULL << 39, 137 PERF_OUTPUT_RETIRE_LAT = 1ULL << 40, 138 PERF_OUTPUT_DSOFF = 1ULL << 41, 139 PERF_OUTPUT_DISASM = 1ULL << 42, 140 PERF_OUTPUT_BRSTACKDISASM = 1ULL << 43, 141}; 142 143struct perf_script { 144 struct perf_tool tool; 145 struct perf_session *session; 146 bool show_task_events; 147 bool show_mmap_events; 148 bool show_switch_events; 149 bool show_namespace_events; 150 bool show_lost_events; 151 bool show_round_events; 152 bool show_bpf_events; 153 bool show_cgroup_events; 154 bool show_text_poke_events; 155 bool allocated; 156 bool per_event_dump; 157 bool stitch_lbr; 158 struct evswitch evswitch; 159 struct perf_cpu_map *cpus; 160 struct perf_thread_map *threads; 161 int name_width; 162 const char *time_str; 163 struct perf_time_interval *ptime_range; 164 int range_size; 165 int range_num; 166}; 167 168struct output_option { 169 const char *str; 170 enum perf_output_field field; 171} all_output_options[] = { 172 {.str = "comm", .field = PERF_OUTPUT_COMM}, 173 {.str = "tid", .field = PERF_OUTPUT_TID}, 174 {.str = "pid", .field = PERF_OUTPUT_PID}, 175 {.str = "time", .field = PERF_OUTPUT_TIME}, 176 {.str = "cpu", .field = PERF_OUTPUT_CPU}, 177 {.str = "event", .field = PERF_OUTPUT_EVNAME}, 178 {.str = "trace", .field = PERF_OUTPUT_TRACE}, 179 {.str = "ip", .field = PERF_OUTPUT_IP}, 180 {.str = "sym", .field = PERF_OUTPUT_SYM}, 181 {.str = "dso", .field = PERF_OUTPUT_DSO}, 182 {.str = "dsoff", .field = PERF_OUTPUT_DSOFF}, 183 {.str = "addr", .field = PERF_OUTPUT_ADDR}, 184 {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET}, 185 {.str = "srcline", .field = PERF_OUTPUT_SRCLINE}, 186 {.str = "period", .field = PERF_OUTPUT_PERIOD}, 187 {.str = "iregs", .field = PERF_OUTPUT_IREGS}, 188 {.str = "uregs", .field = PERF_OUTPUT_UREGS}, 189 {.str = "brstack", .field = PERF_OUTPUT_BRSTACK}, 190 {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM}, 191 {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC}, 192 {.str = "weight", .field = PERF_OUTPUT_WEIGHT}, 193 {.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT}, 194 {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT}, 195 {.str = "insn", .field = PERF_OUTPUT_INSN}, 196 {.str = "disasm", .field = PERF_OUTPUT_DISASM}, 197 {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN}, 198 {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN}, 199 {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF}, 200 {.str = "synth", .field = PERF_OUTPUT_SYNTH}, 201 {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR}, 202 {.str = "metric", .field = PERF_OUTPUT_METRIC}, 203 {.str = "misc", .field = PERF_OUTPUT_MISC}, 204 {.str = "srccode", .field = PERF_OUTPUT_SRCCODE}, 205 {.str = "ipc", .field = PERF_OUTPUT_IPC}, 206 {.str = "tod", .field = PERF_OUTPUT_TOD}, 207 {.str = "data_page_size", .field = PERF_OUTPUT_DATA_PAGE_SIZE}, 208 {.str = "code_page_size", .field = PERF_OUTPUT_CODE_PAGE_SIZE}, 209 {.str = "ins_lat", .field = PERF_OUTPUT_INS_LAT}, 210 {.str = "brstackinsnlen", .field = PERF_OUTPUT_BRSTACKINSNLEN}, 211 {.str = "machine_pid", .field = PERF_OUTPUT_MACHINE_PID}, 212 {.str = "vcpu", .field = PERF_OUTPUT_VCPU}, 213 {.str = "cgroup", .field = PERF_OUTPUT_CGROUP}, 214 {.str = "retire_lat", .field = PERF_OUTPUT_RETIRE_LAT}, 215 {.str = "brstackdisasm", .field = PERF_OUTPUT_BRSTACKDISASM}, 216}; 217 218enum { 219 OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX, 220 OUTPUT_TYPE_OTHER, 221 OUTPUT_TYPE_MAX 222}; 223 224/* default set to maintain compatibility with current format */ 225static struct { 226 bool user_set; 227 bool wildcard_set; 228 unsigned int print_ip_opts; 229 u64 fields; 230 u64 invalid_fields; 231 u64 user_set_fields; 232 u64 user_unset_fields; 233} output[OUTPUT_TYPE_MAX] = { 234 235 [PERF_TYPE_HARDWARE] = { 236 .user_set = false, 237 238 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 239 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 240 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 241 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 242 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 243 244 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 245 }, 246 247 [PERF_TYPE_SOFTWARE] = { 248 .user_set = false, 249 250 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 251 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 252 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 253 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 254 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 255 PERF_OUTPUT_BPF_OUTPUT, 256 257 .invalid_fields = PERF_OUTPUT_TRACE, 258 }, 259 260 [PERF_TYPE_TRACEPOINT] = { 261 .user_set = false, 262 263 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 264 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 265 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE 266 }, 267 268 [PERF_TYPE_HW_CACHE] = { 269 .user_set = false, 270 271 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 272 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 273 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 274 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 275 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 276 277 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 278 }, 279 280 [PERF_TYPE_RAW] = { 281 .user_set = false, 282 283 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 284 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 285 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 286 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 287 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD | 288 PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC | 289 PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR | 290 PERF_OUTPUT_DATA_PAGE_SIZE | PERF_OUTPUT_CODE_PAGE_SIZE | 291 PERF_OUTPUT_INS_LAT | PERF_OUTPUT_RETIRE_LAT, 292 293 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 294 }, 295 296 [PERF_TYPE_BREAKPOINT] = { 297 .user_set = false, 298 299 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 300 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 301 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 302 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 303 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 304 305 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 306 }, 307 308 [OUTPUT_TYPE_SYNTH] = { 309 .user_set = false, 310 311 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 312 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 313 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 314 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 315 PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH, 316 317 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 318 }, 319 320 [OUTPUT_TYPE_OTHER] = { 321 .user_set = false, 322 323 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | 324 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | 325 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | 326 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET | 327 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD, 328 329 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, 330 }, 331}; 332 333struct evsel_script { 334 char *filename; 335 FILE *fp; 336 u64 samples; 337 /* For metric output */ 338 u64 val; 339 int gnum; 340}; 341 342static inline struct evsel_script *evsel_script(struct evsel *evsel) 343{ 344 return (struct evsel_script *)evsel->priv; 345} 346 347static struct evsel_script *evsel_script__new(struct evsel *evsel, struct perf_data *data) 348{ 349 struct evsel_script *es = zalloc(sizeof(*es)); 350 351 if (es != NULL) { 352 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0) 353 goto out_free; 354 es->fp = fopen(es->filename, "w"); 355 if (es->fp == NULL) 356 goto out_free_filename; 357 } 358 359 return es; 360out_free_filename: 361 zfree(&es->filename); 362out_free: 363 free(es); 364 return NULL; 365} 366 367static void evsel_script__delete(struct evsel_script *es) 368{ 369 zfree(&es->filename); 370 fclose(es->fp); 371 es->fp = NULL; 372 free(es); 373} 374 375static int evsel_script__fprintf(struct evsel_script *es, FILE *fp) 376{ 377 struct stat st; 378 379 fstat(fileno(es->fp), &st); 380 return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n", 381 st.st_size / 1024.0 / 1024.0, es->filename, es->samples); 382} 383 384static inline int output_type(unsigned int type) 385{ 386 switch (type) { 387 case PERF_TYPE_SYNTH: 388 return OUTPUT_TYPE_SYNTH; 389 default: 390 if (type < PERF_TYPE_MAX) 391 return type; 392 } 393 394 return OUTPUT_TYPE_OTHER; 395} 396 397static bool output_set_by_user(void) 398{ 399 int j; 400 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 401 if (output[j].user_set) 402 return true; 403 } 404 return false; 405} 406 407static const char *output_field2str(enum perf_output_field field) 408{ 409 int i, imax = ARRAY_SIZE(all_output_options); 410 const char *str = ""; 411 412 for (i = 0; i < imax; ++i) { 413 if (all_output_options[i].field == field) { 414 str = all_output_options[i].str; 415 break; 416 } 417 } 418 return str; 419} 420 421#define PRINT_FIELD(x) (output[output_type(attr->type)].fields & PERF_OUTPUT_##x) 422 423static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg, 424 enum perf_output_field field, bool allow_user_set) 425{ 426 struct perf_event_attr *attr = &evsel->core.attr; 427 int type = output_type(attr->type); 428 const char *evname; 429 430 if (attr->sample_type & sample_type) 431 return 0; 432 433 if (output[type].user_set_fields & field) { 434 if (allow_user_set) 435 return 0; 436 evname = evsel__name(evsel); 437 pr_err("Samples for '%s' event do not have %s attribute set. " 438 "Cannot print '%s' field.\n", 439 evname, sample_msg, output_field2str(field)); 440 return -1; 441 } 442 443 /* user did not ask for it explicitly so remove from the default list */ 444 output[type].fields &= ~field; 445 evname = evsel__name(evsel); 446 pr_debug("Samples for '%s' event do not have %s attribute set. " 447 "Skipping '%s' field.\n", 448 evname, sample_msg, output_field2str(field)); 449 450 return 0; 451} 452 453static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg, 454 enum perf_output_field field) 455{ 456 return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false); 457} 458 459static int evsel__check_attr(struct evsel *evsel, struct perf_session *session) 460{ 461 struct perf_event_attr *attr = &evsel->core.attr; 462 bool allow_user_set; 463 464 if (evsel__is_dummy_event(evsel)) 465 return 0; 466 467 if (perf_header__has_feat(&session->header, HEADER_STAT)) 468 return 0; 469 470 allow_user_set = perf_header__has_feat(&session->header, 471 HEADER_AUXTRACE); 472 473 if (PRINT_FIELD(TRACE) && 474 !perf_session__has_traces(session, "record -R")) 475 return -EINVAL; 476 477 if (PRINT_FIELD(IP)) { 478 if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP)) 479 return -EINVAL; 480 } 481 482 if (PRINT_FIELD(ADDR) && 483 evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set)) 484 return -EINVAL; 485 486 if (PRINT_FIELD(DATA_SRC) && 487 evsel__do_check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC, allow_user_set)) 488 return -EINVAL; 489 490 if (PRINT_FIELD(WEIGHT) && 491 evsel__do_check_stype(evsel, PERF_SAMPLE_WEIGHT_TYPE, "WEIGHT", PERF_OUTPUT_WEIGHT, allow_user_set)) 492 return -EINVAL; 493 494 if (PRINT_FIELD(SYM) && 495 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 496 pr_err("Display of symbols requested but neither sample IP nor " 497 "sample address\navailable. Hence, no addresses to convert " 498 "to symbols.\n"); 499 return -EINVAL; 500 } 501 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) { 502 pr_err("Display of offsets requested but symbol is not" 503 "selected.\n"); 504 return -EINVAL; 505 } 506 if (PRINT_FIELD(DSO) && 507 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) { 508 pr_err("Display of DSO requested but no address to convert.\n"); 509 return -EINVAL; 510 } 511 if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) { 512 pr_err("Display of source line number requested but sample IP is not\n" 513 "selected. Hence, no address to lookup the source line number.\n"); 514 return -EINVAL; 515 } 516 if ((PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN) || PRINT_FIELD(BRSTACKDISASM)) 517 && !allow_user_set && 518 !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) { 519 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n" 520 "Hint: run 'perf record -b ...'\n"); 521 return -EINVAL; 522 } 523 if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) && 524 evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID)) 525 return -EINVAL; 526 527 if (PRINT_FIELD(TIME) && 528 evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME)) 529 return -EINVAL; 530 531 if (PRINT_FIELD(CPU) && 532 evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set)) 533 return -EINVAL; 534 535 if (PRINT_FIELD(IREGS) && 536 evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set)) 537 return -EINVAL; 538 539 if (PRINT_FIELD(UREGS) && 540 evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS)) 541 return -EINVAL; 542 543 if (PRINT_FIELD(PHYS_ADDR) && 544 evsel__do_check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR, allow_user_set)) 545 return -EINVAL; 546 547 if (PRINT_FIELD(DATA_PAGE_SIZE) && 548 evsel__check_stype(evsel, PERF_SAMPLE_DATA_PAGE_SIZE, "DATA_PAGE_SIZE", PERF_OUTPUT_DATA_PAGE_SIZE)) 549 return -EINVAL; 550 551 if (PRINT_FIELD(CODE_PAGE_SIZE) && 552 evsel__check_stype(evsel, PERF_SAMPLE_CODE_PAGE_SIZE, "CODE_PAGE_SIZE", PERF_OUTPUT_CODE_PAGE_SIZE)) 553 return -EINVAL; 554 555 if (PRINT_FIELD(INS_LAT) && 556 evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_INS_LAT)) 557 return -EINVAL; 558 559 if (PRINT_FIELD(CGROUP) && 560 evsel__check_stype(evsel, PERF_SAMPLE_CGROUP, "CGROUP", PERF_OUTPUT_CGROUP)) { 561 pr_err("Hint: run 'perf record --all-cgroups ...'\n"); 562 return -EINVAL; 563 } 564 565 if (PRINT_FIELD(RETIRE_LAT) && 566 evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_RETIRE_LAT)) 567 return -EINVAL; 568 569 return 0; 570} 571 572static void set_print_ip_opts(struct perf_event_attr *attr) 573{ 574 unsigned int type = output_type(attr->type); 575 576 output[type].print_ip_opts = 0; 577 if (PRINT_FIELD(IP)) 578 output[type].print_ip_opts |= EVSEL__PRINT_IP; 579 580 if (PRINT_FIELD(SYM)) 581 output[type].print_ip_opts |= EVSEL__PRINT_SYM; 582 583 if (PRINT_FIELD(DSO)) 584 output[type].print_ip_opts |= EVSEL__PRINT_DSO; 585 586 if (PRINT_FIELD(DSOFF)) 587 output[type].print_ip_opts |= EVSEL__PRINT_DSOFF; 588 589 if (PRINT_FIELD(SYMOFFSET)) 590 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET; 591 592 if (PRINT_FIELD(SRCLINE)) 593 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE; 594} 595 596static struct evsel *find_first_output_type(struct evlist *evlist, 597 unsigned int type) 598{ 599 struct evsel *evsel; 600 601 evlist__for_each_entry(evlist, evsel) { 602 if (evsel__is_dummy_event(evsel)) 603 continue; 604 if (output_type(evsel->core.attr.type) == (int)type) 605 return evsel; 606 } 607 return NULL; 608} 609 610/* 611 * verify all user requested events exist and the samples 612 * have the expected data 613 */ 614static int perf_session__check_output_opt(struct perf_session *session) 615{ 616 bool tod = false; 617 unsigned int j; 618 struct evsel *evsel; 619 620 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 621 evsel = find_first_output_type(session->evlist, j); 622 623 /* 624 * even if fields is set to 0 (ie., show nothing) event must 625 * exist if user explicitly includes it on the command line 626 */ 627 if (!evsel && output[j].user_set && !output[j].wildcard_set && 628 j != OUTPUT_TYPE_SYNTH) { 629 pr_err("%s events do not exist. " 630 "Remove corresponding -F option to proceed.\n", 631 event_type(j)); 632 return -1; 633 } 634 635 if (evsel && output[j].fields && 636 evsel__check_attr(evsel, session)) 637 return -1; 638 639 if (evsel == NULL) 640 continue; 641 642 /* 'dsoff' implys 'dso' field */ 643 if (output[j].fields & PERF_OUTPUT_DSOFF) 644 output[j].fields |= PERF_OUTPUT_DSO; 645 646 set_print_ip_opts(&evsel->core.attr); 647 tod |= output[j].fields & PERF_OUTPUT_TOD; 648 } 649 650 if (!no_callchain) { 651 bool use_callchain = false; 652 bool not_pipe = false; 653 654 evlist__for_each_entry(session->evlist, evsel) { 655 not_pipe = true; 656 if (evsel__has_callchain(evsel)) { 657 use_callchain = true; 658 break; 659 } 660 } 661 if (not_pipe && !use_callchain) 662 symbol_conf.use_callchain = false; 663 } 664 665 /* 666 * set default for tracepoints to print symbols only 667 * if callchains are present 668 */ 669 if (symbol_conf.use_callchain && 670 !output[PERF_TYPE_TRACEPOINT].user_set) { 671 j = PERF_TYPE_TRACEPOINT; 672 673 evlist__for_each_entry(session->evlist, evsel) { 674 if (evsel->core.attr.type != j) 675 continue; 676 677 if (evsel__has_callchain(evsel)) { 678 output[j].fields |= PERF_OUTPUT_IP; 679 output[j].fields |= PERF_OUTPUT_SYM; 680 output[j].fields |= PERF_OUTPUT_SYMOFFSET; 681 output[j].fields |= PERF_OUTPUT_DSO; 682 set_print_ip_opts(&evsel->core.attr); 683 goto out; 684 } 685 } 686 } 687 688 if (tod && !session->header.env.clock.enabled) { 689 pr_err("Can't provide 'tod' time, missing clock data. " 690 "Please record with -k/--clockid option.\n"); 691 return -1; 692 } 693out: 694 return 0; 695} 696 697static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask, const char *arch, 698 FILE *fp) 699{ 700 unsigned i = 0, r; 701 int printed = 0; 702 703 if (!regs || !regs->regs) 704 return 0; 705 706 printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi); 707 708 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) { 709 u64 val = regs->regs[i++]; 710 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r, arch), val); 711 } 712 713 return printed; 714} 715 716#define DEFAULT_TOD_FMT "%F %H:%M:%S" 717 718static char* 719tod_scnprintf(struct perf_script *script, char *buf, int buflen, 720 u64 timestamp) 721{ 722 u64 tod_ns, clockid_ns; 723 struct perf_env *env; 724 unsigned long nsec; 725 struct tm ltime; 726 char date[64]; 727 time_t sec; 728 729 buf[0] = '\0'; 730 if (buflen < 64 || !script) 731 return buf; 732 733 env = &script->session->header.env; 734 if (!env->clock.enabled) { 735 scnprintf(buf, buflen, "disabled"); 736 return buf; 737 } 738 739 clockid_ns = env->clock.clockid_ns; 740 tod_ns = env->clock.tod_ns; 741 742 if (timestamp > clockid_ns) 743 tod_ns += timestamp - clockid_ns; 744 else 745 tod_ns -= clockid_ns - timestamp; 746 747 sec = (time_t) (tod_ns / NSEC_PER_SEC); 748 nsec = tod_ns - sec * NSEC_PER_SEC; 749 750 if (localtime_r(&sec, <ime) == NULL) { 751 scnprintf(buf, buflen, "failed"); 752 } else { 753 strftime(date, sizeof(date), DEFAULT_TOD_FMT, <ime); 754 755 if (symbol_conf.nanosecs) { 756 snprintf(buf, buflen, "%s.%09lu", date, nsec); 757 } else { 758 snprintf(buf, buflen, "%s.%06lu", 759 date, nsec / NSEC_PER_USEC); 760 } 761 } 762 763 return buf; 764} 765 766static int perf_sample__fprintf_iregs(struct perf_sample *sample, 767 struct perf_event_attr *attr, const char *arch, FILE *fp) 768{ 769 return perf_sample__fprintf_regs(&sample->intr_regs, 770 attr->sample_regs_intr, arch, fp); 771} 772 773static int perf_sample__fprintf_uregs(struct perf_sample *sample, 774 struct perf_event_attr *attr, const char *arch, FILE *fp) 775{ 776 return perf_sample__fprintf_regs(&sample->user_regs, 777 attr->sample_regs_user, arch, fp); 778} 779 780static int perf_sample__fprintf_start(struct perf_script *script, 781 struct perf_sample *sample, 782 struct thread *thread, 783 struct evsel *evsel, 784 u32 type, FILE *fp) 785{ 786 struct perf_event_attr *attr = &evsel->core.attr; 787 unsigned long secs; 788 unsigned long long nsecs; 789 int printed = 0; 790 char tstr[128]; 791 792 if (PRINT_FIELD(MACHINE_PID) && sample->machine_pid) 793 printed += fprintf(fp, "VM:%5d ", sample->machine_pid); 794 795 /* Print VCPU only for guest events i.e. with machine_pid */ 796 if (PRINT_FIELD(VCPU) && sample->machine_pid) 797 printed += fprintf(fp, "VCPU:%03d ", sample->vcpu); 798 799 if (PRINT_FIELD(COMM)) { 800 const char *comm = thread ? thread__comm_str(thread) : ":-1"; 801 802 if (latency_format) 803 printed += fprintf(fp, "%8.8s ", comm); 804 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain) 805 printed += fprintf(fp, "%s ", comm); 806 else 807 printed += fprintf(fp, "%16s ", comm); 808 } 809 810 if (PRINT_FIELD(PID) && PRINT_FIELD(TID)) 811 printed += fprintf(fp, "%7d/%-7d ", sample->pid, sample->tid); 812 else if (PRINT_FIELD(PID)) 813 printed += fprintf(fp, "%7d ", sample->pid); 814 else if (PRINT_FIELD(TID)) 815 printed += fprintf(fp, "%7d ", sample->tid); 816 817 if (PRINT_FIELD(CPU)) { 818 if (latency_format) 819 printed += fprintf(fp, "%3d ", sample->cpu); 820 else 821 printed += fprintf(fp, "[%03d] ", sample->cpu); 822 } 823 824 if (PRINT_FIELD(MISC)) { 825 int ret = 0; 826 827 #define has(m) \ 828 (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m 829 830 if (has(KERNEL)) 831 ret += fprintf(fp, "K"); 832 if (has(USER)) 833 ret += fprintf(fp, "U"); 834 if (has(HYPERVISOR)) 835 ret += fprintf(fp, "H"); 836 if (has(GUEST_KERNEL)) 837 ret += fprintf(fp, "G"); 838 if (has(GUEST_USER)) 839 ret += fprintf(fp, "g"); 840 841 switch (type) { 842 case PERF_RECORD_MMAP: 843 case PERF_RECORD_MMAP2: 844 if (has(MMAP_DATA)) 845 ret += fprintf(fp, "M"); 846 break; 847 case PERF_RECORD_COMM: 848 if (has(COMM_EXEC)) 849 ret += fprintf(fp, "E"); 850 break; 851 case PERF_RECORD_SWITCH: 852 case PERF_RECORD_SWITCH_CPU_WIDE: 853 if (has(SWITCH_OUT)) { 854 ret += fprintf(fp, "S"); 855 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT) 856 ret += fprintf(fp, "p"); 857 } 858 default: 859 break; 860 } 861 862 #undef has 863 864 ret += fprintf(fp, "%*s", 6 - ret, " "); 865 printed += ret; 866 } 867 868 if (PRINT_FIELD(TOD)) { 869 tod_scnprintf(script, tstr, sizeof(tstr), sample->time); 870 printed += fprintf(fp, "%s ", tstr); 871 } 872 873 if (PRINT_FIELD(TIME)) { 874 u64 t = sample->time; 875 if (reltime) { 876 if (!initial_time) 877 initial_time = sample->time; 878 t = sample->time - initial_time; 879 } else if (deltatime) { 880 if (previous_time) 881 t = sample->time - previous_time; 882 else { 883 t = 0; 884 } 885 previous_time = sample->time; 886 } 887 nsecs = t; 888 secs = nsecs / NSEC_PER_SEC; 889 nsecs -= secs * NSEC_PER_SEC; 890 891 if (symbol_conf.nanosecs) 892 printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs); 893 else { 894 char sample_time[32]; 895 timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time)); 896 printed += fprintf(fp, "%12s: ", sample_time); 897 } 898 } 899 900 return printed; 901} 902 903static inline char 904mispred_str(struct branch_entry *br) 905{ 906 if (!(br->flags.mispred || br->flags.predicted)) 907 return '-'; 908 909 return br->flags.predicted ? 'P' : 'M'; 910} 911 912static int print_bstack_flags(FILE *fp, struct branch_entry *br) 913{ 914 return fprintf(fp, "/%c/%c/%c/%d/%s/%s ", 915 mispred_str(br), 916 br->flags.in_tx ? 'X' : '-', 917 br->flags.abort ? 'A' : '-', 918 br->flags.cycles, 919 get_branch_type(br), 920 br->flags.spec ? branch_spec_desc(br->flags.spec) : "-"); 921} 922 923static int perf_sample__fprintf_brstack(struct perf_sample *sample, 924 struct thread *thread, 925 struct perf_event_attr *attr, FILE *fp) 926{ 927 struct branch_stack *br = sample->branch_stack; 928 struct branch_entry *entries = perf_sample__branch_entries(sample); 929 u64 i, from, to; 930 int printed = 0; 931 932 if (!(br && br->nr)) 933 return 0; 934 935 for (i = 0; i < br->nr; i++) { 936 from = entries[i].from; 937 to = entries[i].to; 938 939 printed += fprintf(fp, " 0x%"PRIx64, from); 940 if (PRINT_FIELD(DSO)) { 941 struct addr_location alf, alt; 942 943 addr_location__init(&alf); 944 addr_location__init(&alt); 945 thread__find_map_fb(thread, sample->cpumode, from, &alf); 946 thread__find_map_fb(thread, sample->cpumode, to, &alt); 947 948 printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp); 949 printed += fprintf(fp, "/0x%"PRIx64, to); 950 printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp); 951 addr_location__exit(&alt); 952 addr_location__exit(&alf); 953 } else 954 printed += fprintf(fp, "/0x%"PRIx64, to); 955 956 printed += print_bstack_flags(fp, entries + i); 957 } 958 959 return printed; 960} 961 962static int perf_sample__fprintf_brstacksym(struct perf_sample *sample, 963 struct thread *thread, 964 struct perf_event_attr *attr, FILE *fp) 965{ 966 struct branch_stack *br = sample->branch_stack; 967 struct branch_entry *entries = perf_sample__branch_entries(sample); 968 u64 i, from, to; 969 int printed = 0; 970 971 if (!(br && br->nr)) 972 return 0; 973 974 for (i = 0; i < br->nr; i++) { 975 struct addr_location alf, alt; 976 977 addr_location__init(&alf); 978 addr_location__init(&alt); 979 from = entries[i].from; 980 to = entries[i].to; 981 982 thread__find_symbol_fb(thread, sample->cpumode, from, &alf); 983 thread__find_symbol_fb(thread, sample->cpumode, to, &alt); 984 985 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp); 986 if (PRINT_FIELD(DSO)) 987 printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp); 988 printed += fprintf(fp, "%c", '/'); 989 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp); 990 if (PRINT_FIELD(DSO)) 991 printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp); 992 printed += print_bstack_flags(fp, entries + i); 993 addr_location__exit(&alt); 994 addr_location__exit(&alf); 995 } 996 997 return printed; 998} 999 1000static int perf_sample__fprintf_brstackoff(struct perf_sample *sample, 1001 struct thread *thread, 1002 struct perf_event_attr *attr, FILE *fp) 1003{ 1004 struct branch_stack *br = sample->branch_stack; 1005 struct branch_entry *entries = perf_sample__branch_entries(sample); 1006 u64 i, from, to; 1007 int printed = 0; 1008 1009 if (!(br && br->nr)) 1010 return 0; 1011 1012 for (i = 0; i < br->nr; i++) { 1013 struct addr_location alf, alt; 1014 1015 addr_location__init(&alf); 1016 addr_location__init(&alt); 1017 from = entries[i].from; 1018 to = entries[i].to; 1019 1020 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) && 1021 !dso__adjust_symbols(map__dso(alf.map))) 1022 from = map__dso_map_ip(alf.map, from); 1023 1024 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) && 1025 !dso__adjust_symbols(map__dso(alt.map))) 1026 to = map__dso_map_ip(alt.map, to); 1027 1028 printed += fprintf(fp, " 0x%"PRIx64, from); 1029 if (PRINT_FIELD(DSO)) 1030 printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp); 1031 printed += fprintf(fp, "/0x%"PRIx64, to); 1032 if (PRINT_FIELD(DSO)) 1033 printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp); 1034 printed += print_bstack_flags(fp, entries + i); 1035 addr_location__exit(&alt); 1036 addr_location__exit(&alf); 1037 } 1038 1039 return printed; 1040} 1041#define MAXBB 16384UL 1042 1043static int grab_bb(u8 *buffer, u64 start, u64 end, 1044 struct machine *machine, struct thread *thread, 1045 bool *is64bit, u8 *cpumode, bool last) 1046{ 1047 long offset, len; 1048 struct addr_location al; 1049 bool kernel; 1050 struct dso *dso; 1051 int ret = 0; 1052 1053 if (!start || !end) 1054 return 0; 1055 1056 kernel = machine__kernel_ip(machine, start); 1057 if (kernel) 1058 *cpumode = PERF_RECORD_MISC_KERNEL; 1059 else 1060 *cpumode = PERF_RECORD_MISC_USER; 1061 1062 /* 1063 * Block overlaps between kernel and user. 1064 * This can happen due to ring filtering 1065 * On Intel CPUs the entry into the kernel is filtered, 1066 * but the exit is not. Let the caller patch it up. 1067 */ 1068 if (kernel != machine__kernel_ip(machine, end)) { 1069 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end); 1070 return -ENXIO; 1071 } 1072 1073 if (end - start > MAXBB - MAXINSN) { 1074 if (last) 1075 pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end); 1076 else 1077 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start); 1078 return 0; 1079 } 1080 1081 addr_location__init(&al); 1082 if (!thread__find_map(thread, *cpumode, start, &al) || (dso = map__dso(al.map)) == NULL) { 1083 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 1084 goto out; 1085 } 1086 if (dso__data(dso)->status == DSO_DATA_STATUS_ERROR) { 1087 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); 1088 goto out; 1089 } 1090 1091 /* Load maps to ensure dso->is_64_bit has been updated */ 1092 map__load(al.map); 1093 1094 offset = map__map_ip(al.map, start); 1095 len = dso__data_read_offset(dso, machine, offset, (u8 *)buffer, 1096 end - start + MAXINSN); 1097 1098 *is64bit = dso__is_64_bit(dso); 1099 if (len <= 0) 1100 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n", 1101 start, end); 1102 ret = len; 1103out: 1104 addr_location__exit(&al); 1105 return ret; 1106} 1107 1108static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state) 1109{ 1110 char *srcfile; 1111 int ret = 0; 1112 unsigned line; 1113 int len; 1114 char *srccode; 1115 struct dso *dso; 1116 1117 if (!map || (dso = map__dso(map)) == NULL) 1118 return 0; 1119 srcfile = get_srcline_split(dso, 1120 map__rip_2objdump(map, addr), 1121 &line); 1122 if (!srcfile) 1123 return 0; 1124 1125 /* Avoid redundant printing */ 1126 if (state && 1127 state->srcfile && 1128 !strcmp(state->srcfile, srcfile) && 1129 state->line == line) { 1130 free(srcfile); 1131 return 0; 1132 } 1133 1134 srccode = find_sourceline(srcfile, line, &len); 1135 if (!srccode) 1136 goto out_free_line; 1137 1138 ret = fprintf(fp, "|%-8d %.*s", line, len, srccode); 1139 1140 if (state) { 1141 state->srcfile = srcfile; 1142 state->line = line; 1143 } 1144 return ret; 1145 1146out_free_line: 1147 free(srcfile); 1148 return ret; 1149} 1150 1151static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr) 1152{ 1153 struct addr_location al; 1154 int ret = 0; 1155 1156 addr_location__init(&al); 1157 thread__find_map(thread, cpumode, addr, &al); 1158 if (!al.map) 1159 goto out; 1160 ret = map__fprintf_srccode(al.map, al.addr, stdout, 1161 thread__srccode_state(thread)); 1162 if (ret) 1163 ret += printf("\n"); 1164out: 1165 addr_location__exit(&al); 1166 return ret; 1167} 1168 1169static int any_dump_insn(struct perf_event_attr *attr __maybe_unused, 1170 struct perf_insn *x, uint64_t ip, 1171 u8 *inbuf, int inlen, int *lenp, 1172 FILE *fp) 1173{ 1174#ifdef HAVE_LIBCAPSTONE_SUPPORT 1175 if (PRINT_FIELD(BRSTACKDISASM)) { 1176 int printed = fprintf_insn_asm(x->machine, x->thread, x->cpumode, x->is64bit, 1177 (uint8_t *)inbuf, inlen, ip, lenp, 1178 PRINT_INSN_IMM_HEX, fp); 1179 1180 if (printed > 0) 1181 return printed; 1182 } 1183#endif 1184 return fprintf(fp, "%s", dump_insn(x, ip, inbuf, inlen, lenp)); 1185} 1186 1187static int add_padding(FILE *fp, int printed, int padding) 1188{ 1189 if (printed >= 0 && printed < padding) 1190 printed += fprintf(fp, "%*s", padding - printed, ""); 1191 return printed; 1192} 1193 1194static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en, 1195 struct perf_insn *x, u8 *inbuf, int len, 1196 int insn, FILE *fp, int *total_cycles, 1197 struct perf_event_attr *attr, 1198 struct thread *thread) 1199{ 1200 int ilen = 0; 1201 int printed = fprintf(fp, "\t%016" PRIx64 "\t", ip); 1202 1203 printed += add_padding(fp, any_dump_insn(attr, x, ip, inbuf, len, &ilen, fp), 30); 1204 printed += fprintf(fp, "\t"); 1205 1206 if (PRINT_FIELD(BRSTACKINSNLEN)) 1207 printed += fprintf(fp, "ilen: %d\t", ilen); 1208 1209 if (PRINT_FIELD(SRCLINE)) { 1210 struct addr_location al; 1211 1212 addr_location__init(&al); 1213 thread__find_map(thread, x->cpumode, ip, &al); 1214 printed += map__fprintf_srcline(al.map, al.addr, " srcline: ", fp); 1215 printed += fprintf(fp, "\t"); 1216 addr_location__exit(&al); 1217 } 1218 1219 printed += fprintf(fp, "#%s%s%s%s", 1220 en->flags.predicted ? " PRED" : "", 1221 en->flags.mispred ? " MISPRED" : "", 1222 en->flags.in_tx ? " INTX" : "", 1223 en->flags.abort ? " ABORT" : ""); 1224 if (en->flags.cycles) { 1225 *total_cycles += en->flags.cycles; 1226 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles); 1227 if (insn) 1228 printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles); 1229 } 1230 1231 return printed + fprintf(fp, "\n"); 1232} 1233 1234static int ip__fprintf_sym(uint64_t addr, struct thread *thread, 1235 u8 cpumode, int cpu, struct symbol **lastsym, 1236 struct perf_event_attr *attr, FILE *fp) 1237{ 1238 struct addr_location al; 1239 int off, printed = 0, ret = 0; 1240 1241 addr_location__init(&al); 1242 thread__find_map(thread, cpumode, addr, &al); 1243 1244 if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end) 1245 goto out; 1246 1247 al.cpu = cpu; 1248 al.sym = NULL; 1249 if (al.map) 1250 al.sym = map__find_symbol(al.map, al.addr); 1251 1252 if (!al.sym) 1253 goto out; 1254 1255 if (al.addr < al.sym->end) 1256 off = al.addr - al.sym->start; 1257 else 1258 off = al.addr - map__start(al.map) - al.sym->start; 1259 printed += fprintf(fp, "\t%s", al.sym->name); 1260 if (off) 1261 printed += fprintf(fp, "%+d", off); 1262 printed += fprintf(fp, ":"); 1263 if (PRINT_FIELD(SRCLINE)) 1264 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp); 1265 printed += fprintf(fp, "\n"); 1266 *lastsym = al.sym; 1267 1268 ret = printed; 1269out: 1270 addr_location__exit(&al); 1271 return ret; 1272} 1273 1274static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample, 1275 struct thread *thread, 1276 struct perf_event_attr *attr, 1277 struct machine *machine, FILE *fp) 1278{ 1279 struct branch_stack *br = sample->branch_stack; 1280 struct branch_entry *entries = perf_sample__branch_entries(sample); 1281 u64 start, end; 1282 int i, insn, len, nr, ilen, printed = 0; 1283 struct perf_insn x; 1284 u8 buffer[MAXBB]; 1285 unsigned off; 1286 struct symbol *lastsym = NULL; 1287 int total_cycles = 0; 1288 1289 if (!(br && br->nr)) 1290 return 0; 1291 nr = br->nr; 1292 if (max_blocks && nr > max_blocks + 1) 1293 nr = max_blocks + 1; 1294 1295 x.thread = thread; 1296 x.machine = machine; 1297 x.cpu = sample->cpu; 1298 1299 printed += fprintf(fp, "%c", '\n'); 1300 1301 /* Handle first from jump, of which we don't know the entry. */ 1302 len = grab_bb(buffer, entries[nr-1].from, 1303 entries[nr-1].from, 1304 machine, thread, &x.is64bit, &x.cpumode, false); 1305 if (len > 0) { 1306 printed += ip__fprintf_sym(entries[nr - 1].from, thread, 1307 x.cpumode, x.cpu, &lastsym, attr, fp); 1308 printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1], 1309 &x, buffer, len, 0, fp, &total_cycles, 1310 attr, thread); 1311 if (PRINT_FIELD(SRCCODE)) 1312 printed += print_srccode(thread, x.cpumode, entries[nr - 1].from); 1313 } 1314 1315 /* Print all blocks */ 1316 for (i = nr - 2; i >= 0; i--) { 1317 if (entries[i].from || entries[i].to) 1318 pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i, 1319 entries[i].from, 1320 entries[i].to); 1321 start = entries[i + 1].to; 1322 end = entries[i].from; 1323 1324 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1325 /* Patch up missing kernel transfers due to ring filters */ 1326 if (len == -ENXIO && i > 0) { 1327 end = entries[--i].from; 1328 pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end); 1329 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false); 1330 } 1331 if (len <= 0) 1332 continue; 1333 1334 insn = 0; 1335 for (off = 0; off < (unsigned)len; off += ilen) { 1336 uint64_t ip = start + off; 1337 1338 printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1339 if (ip == end) { 1340 printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp, 1341 &total_cycles, attr, thread); 1342 if (PRINT_FIELD(SRCCODE)) 1343 printed += print_srccode(thread, x.cpumode, ip); 1344 break; 1345 } else { 1346 ilen = 0; 1347 printed += fprintf(fp, "\t%016" PRIx64 "\t", ip); 1348 printed += any_dump_insn(attr, &x, ip, buffer + off, len - off, &ilen, fp); 1349 if (PRINT_FIELD(BRSTACKINSNLEN)) 1350 printed += fprintf(fp, "\tilen: %d", ilen); 1351 printed += fprintf(fp, "\n"); 1352 if (ilen == 0) 1353 break; 1354 if (PRINT_FIELD(SRCCODE)) 1355 print_srccode(thread, x.cpumode, ip); 1356 insn++; 1357 } 1358 } 1359 if (off != end - start) 1360 printed += fprintf(fp, "\tmismatch of LBR data and executable\n"); 1361 } 1362 1363 /* 1364 * Hit the branch? In this case we are already done, and the target 1365 * has not been executed yet. 1366 */ 1367 if (entries[0].from == sample->ip) 1368 goto out; 1369 if (entries[0].flags.abort) 1370 goto out; 1371 1372 /* 1373 * Print final block up to sample 1374 * 1375 * Due to pipeline delays the LBRs might be missing a branch 1376 * or two, which can result in very large or negative blocks 1377 * between final branch and sample. When this happens just 1378 * continue walking after the last TO until we hit a branch. 1379 */ 1380 start = entries[0].to; 1381 end = sample->ip; 1382 if (end < start) { 1383 /* Missing jump. Scan 128 bytes for the next branch */ 1384 end = start + 128; 1385 } 1386 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true); 1387 printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp); 1388 if (len <= 0) { 1389 /* Print at least last IP if basic block did not work */ 1390 len = grab_bb(buffer, sample->ip, sample->ip, 1391 machine, thread, &x.is64bit, &x.cpumode, false); 1392 if (len <= 0) 1393 goto out; 1394 ilen = 0; 1395 printed += fprintf(fp, "\t%016" PRIx64 "\t", sample->ip); 1396 printed += any_dump_insn(attr, &x, sample->ip, buffer, len, &ilen, fp); 1397 if (PRINT_FIELD(BRSTACKINSNLEN)) 1398 printed += fprintf(fp, "\tilen: %d", ilen); 1399 printed += fprintf(fp, "\n"); 1400 if (PRINT_FIELD(SRCCODE)) 1401 print_srccode(thread, x.cpumode, sample->ip); 1402 goto out; 1403 } 1404 for (off = 0; off <= end - start; off += ilen) { 1405 ilen = 0; 1406 printed += fprintf(fp, "\t%016" PRIx64 "\t", start + off); 1407 printed += any_dump_insn(attr, &x, start + off, buffer + off, len - off, &ilen, fp); 1408 if (PRINT_FIELD(BRSTACKINSNLEN)) 1409 printed += fprintf(fp, "\tilen: %d", ilen); 1410 printed += fprintf(fp, "\n"); 1411 if (ilen == 0) 1412 break; 1413 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) { 1414 /* 1415 * Hit a missing branch. Just stop. 1416 */ 1417 printed += fprintf(fp, "\t... not reaching sample ...\n"); 1418 break; 1419 } 1420 if (PRINT_FIELD(SRCCODE)) 1421 print_srccode(thread, x.cpumode, start + off); 1422 } 1423out: 1424 return printed; 1425} 1426 1427static int perf_sample__fprintf_addr(struct perf_sample *sample, 1428 struct thread *thread, 1429 struct perf_event_attr *attr, FILE *fp) 1430{ 1431 struct addr_location al; 1432 int printed = fprintf(fp, "%16" PRIx64, sample->addr); 1433 1434 addr_location__init(&al); 1435 if (!sample_addr_correlates_sym(attr)) 1436 goto out; 1437 1438 thread__resolve(thread, &al, sample); 1439 1440 if (PRINT_FIELD(SYM)) { 1441 printed += fprintf(fp, " "); 1442 if (PRINT_FIELD(SYMOFFSET)) 1443 printed += symbol__fprintf_symname_offs(al.sym, &al, fp); 1444 else 1445 printed += symbol__fprintf_symname(al.sym, fp); 1446 } 1447 1448 if (PRINT_FIELD(DSO)) 1449 printed += map__fprintf_dsoname_dsoff(al.map, PRINT_FIELD(DSOFF), al.addr, fp); 1450out: 1451 addr_location__exit(&al); 1452 return printed; 1453} 1454 1455static const char *resolve_branch_sym(struct perf_sample *sample, 1456 struct evsel *evsel, 1457 struct thread *thread, 1458 struct addr_location *al, 1459 struct addr_location *addr_al, 1460 u64 *ip) 1461{ 1462 struct perf_event_attr *attr = &evsel->core.attr; 1463 const char *name = NULL; 1464 1465 if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) { 1466 if (sample_addr_correlates_sym(attr)) { 1467 if (!addr_al->thread) 1468 thread__resolve(thread, addr_al, sample); 1469 if (addr_al->sym) 1470 name = addr_al->sym->name; 1471 else 1472 *ip = sample->addr; 1473 } else { 1474 *ip = sample->addr; 1475 } 1476 } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) { 1477 if (al->sym) 1478 name = al->sym->name; 1479 else 1480 *ip = sample->ip; 1481 } 1482 return name; 1483} 1484 1485static int perf_sample__fprintf_callindent(struct perf_sample *sample, 1486 struct evsel *evsel, 1487 struct thread *thread, 1488 struct addr_location *al, 1489 struct addr_location *addr_al, 1490 FILE *fp) 1491{ 1492 struct perf_event_attr *attr = &evsel->core.attr; 1493 size_t depth = thread_stack__depth(thread, sample->cpu); 1494 const char *name = NULL; 1495 static int spacing; 1496 int len = 0; 1497 int dlen = 0; 1498 u64 ip = 0; 1499 1500 /* 1501 * The 'return' has already been popped off the stack so the depth has 1502 * to be adjusted to match the 'call'. 1503 */ 1504 if (thread__ts(thread) && sample->flags & PERF_IP_FLAG_RETURN) 1505 depth += 1; 1506 1507 name = resolve_branch_sym(sample, evsel, thread, al, addr_al, &ip); 1508 1509 if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) { 1510 dlen += fprintf(fp, "("); 1511 dlen += map__fprintf_dsoname(al->map, fp); 1512 dlen += fprintf(fp, ")\t"); 1513 } 1514 1515 if (name) 1516 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name); 1517 else if (ip) 1518 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip); 1519 1520 if (len < 0) 1521 return len; 1522 1523 /* 1524 * Try to keep the output length from changing frequently so that the 1525 * output lines up more nicely. 1526 */ 1527 if (len > spacing || (len && len < spacing - 52)) 1528 spacing = round_up(len + 4, 32); 1529 1530 if (len < spacing) 1531 len += fprintf(fp, "%*s", spacing - len, ""); 1532 1533 return len + dlen; 1534} 1535 1536__weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused, 1537 struct thread *thread __maybe_unused, 1538 struct machine *machine __maybe_unused) 1539{ 1540} 1541 1542void script_fetch_insn(struct perf_sample *sample, struct thread *thread, 1543 struct machine *machine) 1544{ 1545 if (sample->insn_len == 0 && native_arch) 1546 arch_fetch_insn(sample, thread, machine); 1547} 1548 1549static int perf_sample__fprintf_insn(struct perf_sample *sample, 1550 struct perf_event_attr *attr, 1551 struct thread *thread, 1552 struct machine *machine, FILE *fp, 1553 struct addr_location *al) 1554{ 1555 int printed = 0; 1556 1557 script_fetch_insn(sample, thread, machine); 1558 1559 if (PRINT_FIELD(INSNLEN)) 1560 printed += fprintf(fp, " ilen: %d", sample->insn_len); 1561 if (PRINT_FIELD(INSN) && sample->insn_len) { 1562 printed += fprintf(fp, " insn: "); 1563 printed += sample__fprintf_insn_raw(sample, fp); 1564 } 1565 if (PRINT_FIELD(DISASM) && sample->insn_len) { 1566 printed += fprintf(fp, "\t\t"); 1567 printed += sample__fprintf_insn_asm(sample, thread, machine, fp, al); 1568 } 1569 if (PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN) || PRINT_FIELD(BRSTACKDISASM)) 1570 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp); 1571 1572 return printed; 1573} 1574 1575static int perf_sample__fprintf_ipc(struct perf_sample *sample, 1576 struct perf_event_attr *attr, FILE *fp) 1577{ 1578 unsigned int ipc; 1579 1580 if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt) 1581 return 0; 1582 1583 ipc = (sample->insn_cnt * 100) / sample->cyc_cnt; 1584 1585 return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ", 1586 ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt); 1587} 1588 1589static int perf_sample__fprintf_bts(struct perf_sample *sample, 1590 struct evsel *evsel, 1591 struct thread *thread, 1592 struct addr_location *al, 1593 struct addr_location *addr_al, 1594 struct machine *machine, FILE *fp) 1595{ 1596 struct perf_event_attr *attr = &evsel->core.attr; 1597 unsigned int type = output_type(attr->type); 1598 bool print_srcline_last = false; 1599 int printed = 0; 1600 1601 if (PRINT_FIELD(CALLINDENT)) 1602 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, addr_al, fp); 1603 1604 /* print branch_from information */ 1605 if (PRINT_FIELD(IP)) { 1606 unsigned int print_opts = output[type].print_ip_opts; 1607 struct callchain_cursor *cursor = NULL; 1608 1609 if (symbol_conf.use_callchain && sample->callchain) { 1610 cursor = get_tls_callchain_cursor(); 1611 if (thread__resolve_callchain(al->thread, cursor, evsel, 1612 sample, NULL, NULL, 1613 scripting_max_stack)) 1614 cursor = NULL; 1615 } 1616 if (cursor == NULL) { 1617 printed += fprintf(fp, " "); 1618 if (print_opts & EVSEL__PRINT_SRCLINE) { 1619 print_srcline_last = true; 1620 print_opts &= ~EVSEL__PRINT_SRCLINE; 1621 } 1622 } else 1623 printed += fprintf(fp, "\n"); 1624 1625 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, 1626 symbol_conf.bt_stop_list, fp); 1627 } 1628 1629 /* print branch_to information */ 1630 if (PRINT_FIELD(ADDR) || 1631 ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 1632 !output[type].user_set)) { 1633 printed += fprintf(fp, " => "); 1634 printed += perf_sample__fprintf_addr(sample, thread, attr, fp); 1635 } 1636 1637 printed += perf_sample__fprintf_ipc(sample, attr, fp); 1638 1639 if (print_srcline_last) 1640 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp); 1641 1642 printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp, al); 1643 printed += fprintf(fp, "\n"); 1644 if (PRINT_FIELD(SRCCODE)) { 1645 int ret = map__fprintf_srccode(al->map, al->addr, stdout, 1646 thread__srccode_state(thread)); 1647 if (ret) { 1648 printed += ret; 1649 printed += printf("\n"); 1650 } 1651 } 1652 return printed; 1653} 1654 1655static struct { 1656 u32 flags; 1657 const char *name; 1658} sample_flags[] = { 1659 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"}, 1660 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"}, 1661 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"}, 1662 {PERF_IP_FLAG_BRANCH, "jmp"}, 1663 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"}, 1664 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"}, 1665 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"}, 1666 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"}, 1667 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"}, 1668 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"}, 1669 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"}, 1670 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"}, 1671 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"}, 1672 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMENTRY, "vmentry"}, 1673 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMEXIT, "vmexit"}, 1674 {0, NULL} 1675}; 1676 1677static const char *sample_flags_to_name(u32 flags) 1678{ 1679 int i; 1680 1681 for (i = 0; sample_flags[i].name ; i++) { 1682 if (sample_flags[i].flags == flags) 1683 return sample_flags[i].name; 1684 } 1685 1686 return NULL; 1687} 1688 1689int perf_sample__sprintf_flags(u32 flags, char *str, size_t sz) 1690{ 1691 u32 xf = PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_INTR_DISABLE | 1692 PERF_IP_FLAG_INTR_TOGGLE; 1693 const char *chars = PERF_IP_FLAG_CHARS; 1694 const size_t n = strlen(PERF_IP_FLAG_CHARS); 1695 const char *name = NULL; 1696 size_t i, pos = 0; 1697 char xs[16] = {0}; 1698 1699 if (flags & xf) 1700 snprintf(xs, sizeof(xs), "(%s%s%s)", 1701 flags & PERF_IP_FLAG_IN_TX ? "x" : "", 1702 flags & PERF_IP_FLAG_INTR_DISABLE ? "D" : "", 1703 flags & PERF_IP_FLAG_INTR_TOGGLE ? "t" : ""); 1704 1705 name = sample_flags_to_name(flags & ~xf); 1706 if (name) 1707 return snprintf(str, sz, "%-15s%6s", name, xs); 1708 1709 if (flags & PERF_IP_FLAG_TRACE_BEGIN) { 1710 name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_BEGIN)); 1711 if (name) 1712 return snprintf(str, sz, "tr strt %-7s%6s", name, xs); 1713 } 1714 1715 if (flags & PERF_IP_FLAG_TRACE_END) { 1716 name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_END)); 1717 if (name) 1718 return snprintf(str, sz, "tr end %-7s%6s", name, xs); 1719 } 1720 1721 for (i = 0; i < n; i++, flags >>= 1) { 1722 if ((flags & 1) && pos < sz) 1723 str[pos++] = chars[i]; 1724 } 1725 for (; i < 32; i++, flags >>= 1) { 1726 if ((flags & 1) && pos < sz) 1727 str[pos++] = '?'; 1728 } 1729 if (pos < sz) 1730 str[pos] = 0; 1731 1732 return pos; 1733} 1734 1735static int perf_sample__fprintf_flags(u32 flags, FILE *fp) 1736{ 1737 char str[SAMPLE_FLAGS_BUF_SIZE]; 1738 1739 perf_sample__sprintf_flags(flags, str, sizeof(str)); 1740 return fprintf(fp, " %-21s ", str); 1741} 1742 1743struct printer_data { 1744 int line_no; 1745 bool hit_nul; 1746 bool is_printable; 1747}; 1748 1749static int sample__fprintf_bpf_output(enum binary_printer_ops op, 1750 unsigned int val, 1751 void *extra, FILE *fp) 1752{ 1753 unsigned char ch = (unsigned char)val; 1754 struct printer_data *printer_data = extra; 1755 int printed = 0; 1756 1757 switch (op) { 1758 case BINARY_PRINT_DATA_BEGIN: 1759 printed += fprintf(fp, "\n"); 1760 break; 1761 case BINARY_PRINT_LINE_BEGIN: 1762 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" : 1763 " "); 1764 break; 1765 case BINARY_PRINT_ADDR: 1766 printed += fprintf(fp, " %04x:", val); 1767 break; 1768 case BINARY_PRINT_NUM_DATA: 1769 printed += fprintf(fp, " %02x", val); 1770 break; 1771 case BINARY_PRINT_NUM_PAD: 1772 printed += fprintf(fp, " "); 1773 break; 1774 case BINARY_PRINT_SEP: 1775 printed += fprintf(fp, " "); 1776 break; 1777 case BINARY_PRINT_CHAR_DATA: 1778 if (printer_data->hit_nul && ch) 1779 printer_data->is_printable = false; 1780 1781 if (!isprint(ch)) { 1782 printed += fprintf(fp, "%c", '.'); 1783 1784 if (!printer_data->is_printable) 1785 break; 1786 1787 if (ch == '\0') 1788 printer_data->hit_nul = true; 1789 else 1790 printer_data->is_printable = false; 1791 } else { 1792 printed += fprintf(fp, "%c", ch); 1793 } 1794 break; 1795 case BINARY_PRINT_CHAR_PAD: 1796 printed += fprintf(fp, " "); 1797 break; 1798 case BINARY_PRINT_LINE_END: 1799 printed += fprintf(fp, "\n"); 1800 printer_data->line_no++; 1801 break; 1802 case BINARY_PRINT_DATA_END: 1803 default: 1804 break; 1805 } 1806 1807 return printed; 1808} 1809 1810static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp) 1811{ 1812 unsigned int nr_bytes = sample->raw_size; 1813 struct printer_data printer_data = {0, false, true}; 1814 int printed = binary__fprintf(sample->raw_data, nr_bytes, 8, 1815 sample__fprintf_bpf_output, &printer_data, fp); 1816 1817 if (printer_data.is_printable && printer_data.hit_nul) 1818 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data)); 1819 1820 return printed; 1821} 1822 1823static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp) 1824{ 1825 if (len > 0 && len < spacing) 1826 return fprintf(fp, "%*s", spacing - len, ""); 1827 1828 return 0; 1829} 1830 1831static int perf_sample__fprintf_pt_spacing(int len, FILE *fp) 1832{ 1833 return perf_sample__fprintf_spacing(len, 34, fp); 1834} 1835 1836/* If a value contains only printable ASCII characters padded with NULLs */ 1837static bool ptw_is_prt(u64 val) 1838{ 1839 char c; 1840 u32 i; 1841 1842 for (i = 0; i < sizeof(val); i++) { 1843 c = ((char *)&val)[i]; 1844 if (!c) 1845 break; 1846 if (!isprint(c) || !isascii(c)) 1847 return false; 1848 } 1849 for (; i < sizeof(val); i++) { 1850 c = ((char *)&val)[i]; 1851 if (c) 1852 return false; 1853 } 1854 return true; 1855} 1856 1857static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp) 1858{ 1859 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample); 1860 char str[sizeof(u64) + 1] = ""; 1861 int len; 1862 u64 val; 1863 1864 if (perf_sample__bad_synth_size(sample, *data)) 1865 return 0; 1866 1867 val = le64_to_cpu(data->payload); 1868 if (ptw_is_prt(val)) { 1869 memcpy(str, &val, sizeof(val)); 1870 str[sizeof(val)] = 0; 1871 } 1872 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " %s ", 1873 data->ip, val, str); 1874 return len + perf_sample__fprintf_pt_spacing(len, fp); 1875} 1876 1877static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp) 1878{ 1879 struct perf_synth_intel_mwait *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, " hints: %#x extensions: %#x ", 1886 data->hints, data->extensions); 1887 return len + perf_sample__fprintf_pt_spacing(len, fp); 1888} 1889 1890static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp) 1891{ 1892 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample); 1893 int len; 1894 1895 if (perf_sample__bad_synth_size(sample, *data)) 1896 return 0; 1897 1898 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ", 1899 data->hw, data->cstate, data->subcstate); 1900 return len + perf_sample__fprintf_pt_spacing(len, fp); 1901} 1902 1903static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp) 1904{ 1905 struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample); 1906 int len; 1907 1908 if (perf_sample__bad_synth_size(sample, *data)) 1909 return 0; 1910 1911 len = fprintf(fp, " IP: %u ", data->ip); 1912 return len + perf_sample__fprintf_pt_spacing(len, fp); 1913} 1914 1915static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp) 1916{ 1917 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample); 1918 int len; 1919 1920 if (perf_sample__bad_synth_size(sample, *data)) 1921 return 0; 1922 1923 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ", 1924 data->deepest_cstate, data->last_cstate, 1925 data->wake_reason); 1926 return len + perf_sample__fprintf_pt_spacing(len, fp); 1927} 1928 1929static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp) 1930{ 1931 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample); 1932 unsigned int percent, freq; 1933 int len; 1934 1935 if (perf_sample__bad_synth_size(sample, *data)) 1936 return 0; 1937 1938 freq = (le32_to_cpu(data->freq) + 500) / 1000; 1939 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq); 1940 if (data->max_nonturbo) { 1941 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10; 1942 len += fprintf(fp, "(%3u%%) ", percent); 1943 } 1944 return len + perf_sample__fprintf_pt_spacing(len, fp); 1945} 1946 1947static int perf_sample__fprintf_synth_psb(struct perf_sample *sample, FILE *fp) 1948{ 1949 struct perf_synth_intel_psb *data = perf_sample__synth_ptr(sample); 1950 int len; 1951 1952 if (perf_sample__bad_synth_size(sample, *data)) 1953 return 0; 1954 1955 len = fprintf(fp, " psb offs: %#" PRIx64, data->offset); 1956 return len + perf_sample__fprintf_pt_spacing(len, fp); 1957} 1958 1959/* Intel PT Event Trace */ 1960static int perf_sample__fprintf_synth_evt(struct perf_sample *sample, FILE *fp) 1961{ 1962 struct perf_synth_intel_evt *data = perf_sample__synth_ptr(sample); 1963 const char *cfe[32] = {NULL, "INTR", "IRET", "SMI", "RSM", "SIPI", 1964 "INIT", "VMENTRY", "VMEXIT", "VMEXIT_INTR", 1965 "SHUTDOWN", NULL, "UINTR", "UIRET"}; 1966 const char *evd[64] = {"PFA", "VMXQ", "VMXR"}; 1967 const char *s; 1968 int len, i; 1969 1970 if (perf_sample__bad_synth_size(sample, *data)) 1971 return 0; 1972 1973 s = cfe[data->type]; 1974 if (s) { 1975 len = fprintf(fp, " cfe: %s IP: %d vector: %u", 1976 s, data->ip, data->vector); 1977 } else { 1978 len = fprintf(fp, " cfe: %u IP: %d vector: %u", 1979 data->type, data->ip, data->vector); 1980 } 1981 for (i = 0; i < data->evd_cnt; i++) { 1982 unsigned int et = data->evd[i].evd_type & 0x3f; 1983 1984 s = evd[et]; 1985 if (s) { 1986 len += fprintf(fp, " %s: %#" PRIx64, 1987 s, data->evd[i].payload); 1988 } else { 1989 len += fprintf(fp, " EVD_%u: %#" PRIx64, 1990 et, data->evd[i].payload); 1991 } 1992 } 1993 return len + perf_sample__fprintf_pt_spacing(len, fp); 1994} 1995 1996static int perf_sample__fprintf_synth_iflag_chg(struct perf_sample *sample, FILE *fp) 1997{ 1998 struct perf_synth_intel_iflag_chg *data = perf_sample__synth_ptr(sample); 1999 int len; 2000 2001 if (perf_sample__bad_synth_size(sample, *data)) 2002 return 0; 2003 2004 len = fprintf(fp, " IFLAG: %d->%d %s branch", !data->iflag, data->iflag, 2005 data->via_branch ? "via" : "non"); 2006 return len + perf_sample__fprintf_pt_spacing(len, fp); 2007} 2008 2009static int perf_sample__fprintf_synth(struct perf_sample *sample, 2010 struct evsel *evsel, FILE *fp) 2011{ 2012 switch (evsel->core.attr.config) { 2013 case PERF_SYNTH_INTEL_PTWRITE: 2014 return perf_sample__fprintf_synth_ptwrite(sample, fp); 2015 case PERF_SYNTH_INTEL_MWAIT: 2016 return perf_sample__fprintf_synth_mwait(sample, fp); 2017 case PERF_SYNTH_INTEL_PWRE: 2018 return perf_sample__fprintf_synth_pwre(sample, fp); 2019 case PERF_SYNTH_INTEL_EXSTOP: 2020 return perf_sample__fprintf_synth_exstop(sample, fp); 2021 case PERF_SYNTH_INTEL_PWRX: 2022 return perf_sample__fprintf_synth_pwrx(sample, fp); 2023 case PERF_SYNTH_INTEL_CBR: 2024 return perf_sample__fprintf_synth_cbr(sample, fp); 2025 case PERF_SYNTH_INTEL_PSB: 2026 return perf_sample__fprintf_synth_psb(sample, fp); 2027 case PERF_SYNTH_INTEL_EVT: 2028 return perf_sample__fprintf_synth_evt(sample, fp); 2029 case PERF_SYNTH_INTEL_IFLAG_CHG: 2030 return perf_sample__fprintf_synth_iflag_chg(sample, fp); 2031 default: 2032 break; 2033 } 2034 2035 return 0; 2036} 2037 2038static int evlist__max_name_len(struct evlist *evlist) 2039{ 2040 struct evsel *evsel; 2041 int max = 0; 2042 2043 evlist__for_each_entry(evlist, evsel) { 2044 int len = strlen(evsel__name(evsel)); 2045 2046 max = MAX(len, max); 2047 } 2048 2049 return max; 2050} 2051 2052static int data_src__fprintf(u64 data_src, FILE *fp) 2053{ 2054 struct mem_info *mi = mem_info__new(); 2055 char decode[100]; 2056 char out[100]; 2057 static int maxlen; 2058 int len; 2059 2060 if (!mi) 2061 return -ENOMEM; 2062 2063 mem_info__data_src(mi)->val = data_src; 2064 perf_script__meminfo_scnprintf(decode, 100, mi); 2065 mem_info__put(mi); 2066 2067 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode); 2068 if (maxlen < len) 2069 maxlen = len; 2070 2071 return fprintf(fp, "%-*s", maxlen, out); 2072} 2073 2074struct metric_ctx { 2075 struct perf_sample *sample; 2076 struct thread *thread; 2077 struct evsel *evsel; 2078 FILE *fp; 2079}; 2080 2081static void script_print_metric(struct perf_stat_config *config __maybe_unused, 2082 void *ctx, const char *color, 2083 const char *fmt, 2084 const char *unit, double val) 2085{ 2086 struct metric_ctx *mctx = ctx; 2087 2088 if (!fmt) 2089 return; 2090 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, 2091 PERF_RECORD_SAMPLE, mctx->fp); 2092 fputs("\tmetric: ", mctx->fp); 2093 if (color) 2094 color_fprintf(mctx->fp, color, fmt, val); 2095 else 2096 printf(fmt, val); 2097 fprintf(mctx->fp, " %s\n", unit); 2098} 2099 2100static void script_new_line(struct perf_stat_config *config __maybe_unused, 2101 void *ctx) 2102{ 2103 struct metric_ctx *mctx = ctx; 2104 2105 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel, 2106 PERF_RECORD_SAMPLE, mctx->fp); 2107 fputs("\tmetric: ", mctx->fp); 2108} 2109 2110static void perf_sample__fprint_metric(struct perf_script *script, 2111 struct thread *thread, 2112 struct evsel *evsel, 2113 struct perf_sample *sample, 2114 FILE *fp) 2115{ 2116 struct evsel *leader = evsel__leader(evsel); 2117 struct perf_stat_output_ctx ctx = { 2118 .print_metric = script_print_metric, 2119 .new_line = script_new_line, 2120 .ctx = &(struct metric_ctx) { 2121 .sample = sample, 2122 .thread = thread, 2123 .evsel = evsel, 2124 .fp = fp, 2125 }, 2126 .force_header = false, 2127 }; 2128 struct evsel *ev2; 2129 u64 val; 2130 2131 if (!evsel->stats) 2132 evlist__alloc_stats(&stat_config, script->session->evlist, /*alloc_raw=*/false); 2133 if (evsel_script(leader)->gnum++ == 0) 2134 perf_stat__reset_shadow_stats(); 2135 val = sample->period * evsel->scale; 2136 evsel_script(evsel)->val = val; 2137 if (evsel_script(leader)->gnum == leader->core.nr_members) { 2138 for_each_group_member (ev2, leader) { 2139 perf_stat__print_shadow_stats(&stat_config, ev2, 2140 evsel_script(ev2)->val, 2141 sample->cpu, 2142 &ctx, 2143 NULL); 2144 } 2145 evsel_script(leader)->gnum = 0; 2146 } 2147} 2148 2149static bool show_event(struct perf_sample *sample, 2150 struct evsel *evsel, 2151 struct thread *thread, 2152 struct addr_location *al, 2153 struct addr_location *addr_al) 2154{ 2155 int depth = thread_stack__depth(thread, sample->cpu); 2156 2157 if (!symbol_conf.graph_function) 2158 return true; 2159 2160 if (thread__filter(thread)) { 2161 if (depth <= thread__filter_entry_depth(thread)) { 2162 thread__set_filter(thread, false); 2163 return false; 2164 } 2165 return true; 2166 } else { 2167 const char *s = symbol_conf.graph_function; 2168 u64 ip; 2169 const char *name = resolve_branch_sym(sample, evsel, thread, al, addr_al, 2170 &ip); 2171 unsigned nlen; 2172 2173 if (!name) 2174 return false; 2175 nlen = strlen(name); 2176 while (*s) { 2177 unsigned len = strcspn(s, ","); 2178 if (nlen == len && !strncmp(name, s, len)) { 2179 thread__set_filter(thread, true); 2180 thread__set_filter_entry_depth(thread, depth); 2181 return true; 2182 } 2183 s += len; 2184 if (*s == ',') 2185 s++; 2186 } 2187 return false; 2188 } 2189} 2190 2191static void process_event(struct perf_script *script, 2192 struct perf_sample *sample, struct evsel *evsel, 2193 struct addr_location *al, 2194 struct addr_location *addr_al, 2195 struct machine *machine) 2196{ 2197 struct thread *thread = al->thread; 2198 struct perf_event_attr *attr = &evsel->core.attr; 2199 unsigned int type = output_type(attr->type); 2200 struct evsel_script *es = evsel->priv; 2201 FILE *fp = es->fp; 2202 char str[PAGE_SIZE_NAME_LEN]; 2203 const char *arch = perf_env__arch(machine->env); 2204 2205 if (output[type].fields == 0) 2206 return; 2207 2208 ++es->samples; 2209 2210 perf_sample__fprintf_start(script, sample, thread, evsel, 2211 PERF_RECORD_SAMPLE, fp); 2212 2213 if (PRINT_FIELD(PERIOD)) 2214 fprintf(fp, "%10" PRIu64 " ", sample->period); 2215 2216 if (PRINT_FIELD(EVNAME)) { 2217 const char *evname = evsel__name(evsel); 2218 2219 if (!script->name_width) 2220 script->name_width = evlist__max_name_len(script->session->evlist); 2221 2222 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]"); 2223 } 2224 2225 if (print_flags) 2226 perf_sample__fprintf_flags(sample->flags, fp); 2227 2228 if (is_bts_event(attr)) { 2229 perf_sample__fprintf_bts(sample, evsel, thread, al, addr_al, machine, fp); 2230 return; 2231 } 2232#ifdef HAVE_LIBTRACEEVENT 2233 if (PRINT_FIELD(TRACE) && sample->raw_data) { 2234 event_format__fprintf(evsel->tp_format, sample->cpu, 2235 sample->raw_data, sample->raw_size, fp); 2236 } 2237#endif 2238 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH)) 2239 perf_sample__fprintf_synth(sample, evsel, fp); 2240 2241 if (PRINT_FIELD(ADDR)) 2242 perf_sample__fprintf_addr(sample, thread, attr, fp); 2243 2244 if (PRINT_FIELD(DATA_SRC)) 2245 data_src__fprintf(sample->data_src, fp); 2246 2247 if (PRINT_FIELD(WEIGHT)) 2248 fprintf(fp, "%16" PRIu64, sample->weight); 2249 2250 if (PRINT_FIELD(INS_LAT)) 2251 fprintf(fp, "%16" PRIu16, sample->ins_lat); 2252 2253 if (PRINT_FIELD(RETIRE_LAT)) 2254 fprintf(fp, "%16" PRIu16, sample->retire_lat); 2255 2256 if (PRINT_FIELD(CGROUP)) { 2257 const char *cgrp_name; 2258 struct cgroup *cgrp = cgroup__find(machine->env, 2259 sample->cgroup); 2260 if (cgrp != NULL) 2261 cgrp_name = cgrp->name; 2262 else 2263 cgrp_name = "unknown"; 2264 fprintf(fp, " %s", cgrp_name); 2265 } 2266 2267 if (PRINT_FIELD(IP)) { 2268 struct callchain_cursor *cursor = NULL; 2269 2270 if (script->stitch_lbr) 2271 thread__set_lbr_stitch_enable(al->thread, true); 2272 2273 if (symbol_conf.use_callchain && sample->callchain) { 2274 cursor = get_tls_callchain_cursor(); 2275 if (thread__resolve_callchain(al->thread, cursor, evsel, 2276 sample, NULL, NULL, 2277 scripting_max_stack)) 2278 cursor = NULL; 2279 } 2280 fputc(cursor ? '\n' : ' ', fp); 2281 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, 2282 symbol_conf.bt_stop_list, fp); 2283 } 2284 2285 if (PRINT_FIELD(IREGS)) 2286 perf_sample__fprintf_iregs(sample, attr, arch, fp); 2287 2288 if (PRINT_FIELD(UREGS)) 2289 perf_sample__fprintf_uregs(sample, attr, arch, fp); 2290 2291 if (PRINT_FIELD(BRSTACK)) 2292 perf_sample__fprintf_brstack(sample, thread, attr, fp); 2293 else if (PRINT_FIELD(BRSTACKSYM)) 2294 perf_sample__fprintf_brstacksym(sample, thread, attr, fp); 2295 else if (PRINT_FIELD(BRSTACKOFF)) 2296 perf_sample__fprintf_brstackoff(sample, thread, attr, fp); 2297 2298 if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT)) 2299 perf_sample__fprintf_bpf_output(sample, fp); 2300 perf_sample__fprintf_insn(sample, attr, thread, machine, fp, al); 2301 2302 if (PRINT_FIELD(PHYS_ADDR)) 2303 fprintf(fp, "%16" PRIx64, sample->phys_addr); 2304 2305 if (PRINT_FIELD(DATA_PAGE_SIZE)) 2306 fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str)); 2307 2308 if (PRINT_FIELD(CODE_PAGE_SIZE)) 2309 fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str)); 2310 2311 perf_sample__fprintf_ipc(sample, attr, fp); 2312 2313 fprintf(fp, "\n"); 2314 2315 if (PRINT_FIELD(SRCCODE)) { 2316 if (map__fprintf_srccode(al->map, al->addr, stdout, 2317 thread__srccode_state(thread))) 2318 printf("\n"); 2319 } 2320 2321 if (PRINT_FIELD(METRIC)) 2322 perf_sample__fprint_metric(script, thread, evsel, sample, fp); 2323 2324 if (verbose > 0) 2325 fflush(fp); 2326} 2327 2328static struct scripting_ops *scripting_ops; 2329 2330static void __process_stat(struct evsel *counter, u64 tstamp) 2331{ 2332 int nthreads = perf_thread_map__nr(counter->core.threads); 2333 int idx, thread; 2334 struct perf_cpu cpu; 2335 static int header_printed; 2336 2337 if (!header_printed) { 2338 printf("%3s %8s %15s %15s %15s %15s %s\n", 2339 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT"); 2340 header_printed = 1; 2341 } 2342 2343 for (thread = 0; thread < nthreads; thread++) { 2344 perf_cpu_map__for_each_cpu(cpu, idx, evsel__cpus(counter)) { 2345 struct perf_counts_values *counts; 2346 2347 counts = perf_counts(counter->counts, idx, thread); 2348 2349 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n", 2350 cpu.cpu, 2351 perf_thread_map__pid(counter->core.threads, thread), 2352 counts->val, 2353 counts->ena, 2354 counts->run, 2355 tstamp, 2356 evsel__name(counter)); 2357 } 2358 } 2359} 2360 2361static void process_stat(struct evsel *counter, u64 tstamp) 2362{ 2363 if (scripting_ops && scripting_ops->process_stat) 2364 scripting_ops->process_stat(&stat_config, counter, tstamp); 2365 else 2366 __process_stat(counter, tstamp); 2367} 2368 2369static void process_stat_interval(u64 tstamp) 2370{ 2371 if (scripting_ops && scripting_ops->process_stat_interval) 2372 scripting_ops->process_stat_interval(tstamp); 2373} 2374 2375static void setup_scripting(void) 2376{ 2377#ifdef HAVE_LIBTRACEEVENT 2378 setup_perl_scripting(); 2379#endif 2380 setup_python_scripting(); 2381} 2382 2383static int flush_scripting(void) 2384{ 2385 return scripting_ops ? scripting_ops->flush_script() : 0; 2386} 2387 2388static int cleanup_scripting(void) 2389{ 2390 pr_debug("\nperf script stopped\n"); 2391 2392 return scripting_ops ? scripting_ops->stop_script() : 0; 2393} 2394 2395static bool filter_cpu(struct perf_sample *sample) 2396{ 2397 if (cpu_list && sample->cpu != (u32)-1) 2398 return !test_bit(sample->cpu, cpu_bitmap); 2399 return false; 2400} 2401 2402static int process_sample_event(struct perf_tool *tool, 2403 union perf_event *event, 2404 struct perf_sample *sample, 2405 struct evsel *evsel, 2406 struct machine *machine) 2407{ 2408 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2409 struct addr_location al; 2410 struct addr_location addr_al; 2411 int ret = 0; 2412 2413 /* Set thread to NULL to indicate addr_al and al are not initialized */ 2414 addr_location__init(&al); 2415 addr_location__init(&addr_al); 2416 2417 ret = dlfilter__filter_event_early(dlfilter, event, sample, evsel, machine, &al, &addr_al); 2418 if (ret) { 2419 if (ret > 0) 2420 ret = 0; 2421 goto out_put; 2422 } 2423 2424 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num, 2425 sample->time)) { 2426 goto out_put; 2427 } 2428 2429 if (debug_mode) { 2430 if (sample->time < last_timestamp) { 2431 pr_err("Samples misordered, previous: %" PRIu64 2432 " this: %" PRIu64 "\n", last_timestamp, 2433 sample->time); 2434 nr_unordered++; 2435 } 2436 last_timestamp = sample->time; 2437 goto out_put; 2438 } 2439 2440 if (filter_cpu(sample)) 2441 goto out_put; 2442 2443 if (!al.thread && machine__resolve(machine, &al, sample) < 0) { 2444 pr_err("problem processing %d event, skipping it.\n", 2445 event->header.type); 2446 ret = -1; 2447 goto out_put; 2448 } 2449 2450 if (al.filtered) 2451 goto out_put; 2452 2453 if (!show_event(sample, evsel, al.thread, &al, &addr_al)) 2454 goto out_put; 2455 2456 if (evswitch__discard(&scr->evswitch, evsel)) 2457 goto out_put; 2458 2459 ret = dlfilter__filter_event(dlfilter, event, sample, evsel, machine, &al, &addr_al); 2460 if (ret) { 2461 if (ret > 0) 2462 ret = 0; 2463 goto out_put; 2464 } 2465 2466 if (scripting_ops) { 2467 struct addr_location *addr_al_ptr = NULL; 2468 2469 if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) && 2470 sample_addr_correlates_sym(&evsel->core.attr)) { 2471 if (!addr_al.thread) 2472 thread__resolve(al.thread, &addr_al, sample); 2473 addr_al_ptr = &addr_al; 2474 } 2475 scripting_ops->process_event(event, sample, evsel, &al, addr_al_ptr); 2476 } else { 2477 process_event(scr, sample, evsel, &al, &addr_al, machine); 2478 } 2479 2480out_put: 2481 addr_location__exit(&addr_al); 2482 addr_location__exit(&al); 2483 return ret; 2484} 2485 2486// Used when scr->per_event_dump is not set 2487static struct evsel_script es_stdout; 2488 2489static int process_attr(struct perf_tool *tool, union perf_event *event, 2490 struct evlist **pevlist) 2491{ 2492 struct perf_script *scr = container_of(tool, struct perf_script, tool); 2493 struct evlist *evlist; 2494 struct evsel *evsel, *pos; 2495 u64 sample_type; 2496 int err; 2497 2498 err = perf_event__process_attr(tool, event, pevlist); 2499 if (err) 2500 return err; 2501 2502 evlist = *pevlist; 2503 evsel = evlist__last(*pevlist); 2504 2505 if (!evsel->priv) { 2506 if (scr->per_event_dump) { 2507 evsel->priv = evsel_script__new(evsel, scr->session->data); 2508 if (!evsel->priv) 2509 return -ENOMEM; 2510 } else { // Replicate what is done in perf_script__setup_per_event_dump() 2511 es_stdout.fp = stdout; 2512 evsel->priv = &es_stdout; 2513 } 2514 } 2515 2516 if (evsel->core.attr.type >= PERF_TYPE_MAX && 2517 evsel->core.attr.type != PERF_TYPE_SYNTH) 2518 return 0; 2519 2520 evlist__for_each_entry(evlist, pos) { 2521 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel) 2522 return 0; 2523 } 2524 2525 if (evsel->core.attr.sample_type) { 2526 err = evsel__check_attr(evsel, scr->session); 2527 if (err) 2528 return err; 2529 } 2530 2531 /* 2532 * Check if we need to enable callchains based 2533 * on events sample_type. 2534 */ 2535 sample_type = evlist__combined_sample_type(evlist); 2536 callchain_param_setup(sample_type, perf_env__arch((*pevlist)->env)); 2537 2538 /* Enable fields for callchain entries */ 2539 if (symbol_conf.use_callchain && 2540 (sample_type & PERF_SAMPLE_CALLCHAIN || 2541 sample_type & PERF_SAMPLE_BRANCH_STACK || 2542 (sample_type & PERF_SAMPLE_REGS_USER && 2543 sample_type & PERF_SAMPLE_STACK_USER))) { 2544 int type = output_type(evsel->core.attr.type); 2545 2546 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP)) 2547 output[type].fields |= PERF_OUTPUT_IP; 2548 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM)) 2549 output[type].fields |= PERF_OUTPUT_SYM; 2550 } 2551 set_print_ip_opts(&evsel->core.attr); 2552 return 0; 2553} 2554 2555static int print_event_with_time(struct perf_tool *tool, 2556 union perf_event *event, 2557 struct perf_sample *sample, 2558 struct machine *machine, 2559 pid_t pid, pid_t tid, u64 timestamp) 2560{ 2561 struct perf_script *script = container_of(tool, struct perf_script, tool); 2562 struct perf_session *session = script->session; 2563 struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id); 2564 struct thread *thread = NULL; 2565 2566 if (evsel && !evsel->core.attr.sample_id_all) { 2567 sample->cpu = 0; 2568 sample->time = timestamp; 2569 sample->pid = pid; 2570 sample->tid = tid; 2571 } 2572 2573 if (filter_cpu(sample)) 2574 return 0; 2575 2576 if (tid != -1) 2577 thread = machine__findnew_thread(machine, pid, tid); 2578 2579 if (evsel) { 2580 perf_sample__fprintf_start(script, sample, thread, evsel, 2581 event->header.type, stdout); 2582 } 2583 2584 perf_event__fprintf(event, machine, stdout); 2585 2586 thread__put(thread); 2587 2588 return 0; 2589} 2590 2591static int print_event(struct perf_tool *tool, union perf_event *event, 2592 struct perf_sample *sample, struct machine *machine, 2593 pid_t pid, pid_t tid) 2594{ 2595 return print_event_with_time(tool, event, sample, machine, pid, tid, 0); 2596} 2597 2598static int process_comm_event(struct perf_tool *tool, 2599 union perf_event *event, 2600 struct perf_sample *sample, 2601 struct machine *machine) 2602{ 2603 if (perf_event__process_comm(tool, event, sample, machine) < 0) 2604 return -1; 2605 2606 return print_event(tool, event, sample, machine, event->comm.pid, 2607 event->comm.tid); 2608} 2609 2610static int process_namespaces_event(struct perf_tool *tool, 2611 union perf_event *event, 2612 struct perf_sample *sample, 2613 struct machine *machine) 2614{ 2615 if (perf_event__process_namespaces(tool, event, sample, machine) < 0) 2616 return -1; 2617 2618 return print_event(tool, event, sample, machine, event->namespaces.pid, 2619 event->namespaces.tid); 2620} 2621 2622static int process_cgroup_event(struct perf_tool *tool, 2623 union perf_event *event, 2624 struct perf_sample *sample, 2625 struct machine *machine) 2626{ 2627 if (perf_event__process_cgroup(tool, event, sample, machine) < 0) 2628 return -1; 2629 2630 return print_event(tool, event, sample, machine, sample->pid, 2631 sample->tid); 2632} 2633 2634static int process_fork_event(struct perf_tool *tool, 2635 union perf_event *event, 2636 struct perf_sample *sample, 2637 struct machine *machine) 2638{ 2639 if (perf_event__process_fork(tool, event, sample, machine) < 0) 2640 return -1; 2641 2642 return print_event_with_time(tool, event, sample, machine, 2643 event->fork.pid, event->fork.tid, 2644 event->fork.time); 2645} 2646static int process_exit_event(struct perf_tool *tool, 2647 union perf_event *event, 2648 struct perf_sample *sample, 2649 struct machine *machine) 2650{ 2651 /* Print before 'exit' deletes anything */ 2652 if (print_event_with_time(tool, event, sample, machine, event->fork.pid, 2653 event->fork.tid, event->fork.time)) 2654 return -1; 2655 2656 return perf_event__process_exit(tool, event, sample, machine); 2657} 2658 2659static int process_mmap_event(struct perf_tool *tool, 2660 union perf_event *event, 2661 struct perf_sample *sample, 2662 struct machine *machine) 2663{ 2664 if (perf_event__process_mmap(tool, event, sample, machine) < 0) 2665 return -1; 2666 2667 return print_event(tool, event, sample, machine, event->mmap.pid, 2668 event->mmap.tid); 2669} 2670 2671static int process_mmap2_event(struct perf_tool *tool, 2672 union perf_event *event, 2673 struct perf_sample *sample, 2674 struct machine *machine) 2675{ 2676 if (perf_event__process_mmap2(tool, event, sample, machine) < 0) 2677 return -1; 2678 2679 return print_event(tool, event, sample, machine, event->mmap2.pid, 2680 event->mmap2.tid); 2681} 2682 2683static int process_switch_event(struct perf_tool *tool, 2684 union perf_event *event, 2685 struct perf_sample *sample, 2686 struct machine *machine) 2687{ 2688 struct perf_script *script = container_of(tool, struct perf_script, tool); 2689 2690 if (perf_event__process_switch(tool, event, sample, machine) < 0) 2691 return -1; 2692 2693 if (scripting_ops && scripting_ops->process_switch && !filter_cpu(sample)) 2694 scripting_ops->process_switch(event, sample, machine); 2695 2696 if (!script->show_switch_events) 2697 return 0; 2698 2699 return print_event(tool, event, sample, machine, sample->pid, 2700 sample->tid); 2701} 2702 2703static int process_auxtrace_error(struct perf_session *session, 2704 union perf_event *event) 2705{ 2706 if (scripting_ops && scripting_ops->process_auxtrace_error) { 2707 scripting_ops->process_auxtrace_error(session, event); 2708 return 0; 2709 } 2710 2711 return perf_event__process_auxtrace_error(session, event); 2712} 2713 2714static int 2715process_lost_event(struct perf_tool *tool, 2716 union perf_event *event, 2717 struct perf_sample *sample, 2718 struct machine *machine) 2719{ 2720 return print_event(tool, event, sample, machine, sample->pid, 2721 sample->tid); 2722} 2723 2724static int 2725process_throttle_event(struct perf_tool *tool __maybe_unused, 2726 union perf_event *event, 2727 struct perf_sample *sample, 2728 struct machine *machine) 2729{ 2730 if (scripting_ops && scripting_ops->process_throttle) 2731 scripting_ops->process_throttle(event, sample, machine); 2732 return 0; 2733} 2734 2735static int 2736process_finished_round_event(struct perf_tool *tool __maybe_unused, 2737 union perf_event *event, 2738 struct ordered_events *oe __maybe_unused) 2739 2740{ 2741 perf_event__fprintf(event, NULL, stdout); 2742 return 0; 2743} 2744 2745static int 2746process_bpf_events(struct perf_tool *tool __maybe_unused, 2747 union perf_event *event, 2748 struct perf_sample *sample, 2749 struct machine *machine) 2750{ 2751 if (machine__process_ksymbol(machine, event, sample) < 0) 2752 return -1; 2753 2754 return print_event(tool, event, sample, machine, sample->pid, 2755 sample->tid); 2756} 2757 2758static int process_text_poke_events(struct perf_tool *tool, 2759 union perf_event *event, 2760 struct perf_sample *sample, 2761 struct machine *machine) 2762{ 2763 if (perf_event__process_text_poke(tool, event, sample, machine) < 0) 2764 return -1; 2765 2766 return print_event(tool, event, sample, machine, sample->pid, 2767 sample->tid); 2768} 2769 2770static void sig_handler(int sig __maybe_unused) 2771{ 2772 session_done = 1; 2773} 2774 2775static void perf_script__fclose_per_event_dump(struct perf_script *script) 2776{ 2777 struct evlist *evlist = script->session->evlist; 2778 struct evsel *evsel; 2779 2780 evlist__for_each_entry(evlist, evsel) { 2781 if (!evsel->priv) 2782 break; 2783 evsel_script__delete(evsel->priv); 2784 evsel->priv = NULL; 2785 } 2786} 2787 2788static int perf_script__fopen_per_event_dump(struct perf_script *script) 2789{ 2790 struct evsel *evsel; 2791 2792 evlist__for_each_entry(script->session->evlist, evsel) { 2793 /* 2794 * Already setup? I.e. we may be called twice in cases like 2795 * Intel PT, one for the intel_pt// and dummy events, then 2796 * for the evsels synthesized from the auxtrace info. 2797 * 2798 * Ses perf_script__process_auxtrace_info. 2799 */ 2800 if (evsel->priv != NULL) 2801 continue; 2802 2803 evsel->priv = evsel_script__new(evsel, script->session->data); 2804 if (evsel->priv == NULL) 2805 goto out_err_fclose; 2806 } 2807 2808 return 0; 2809 2810out_err_fclose: 2811 perf_script__fclose_per_event_dump(script); 2812 return -1; 2813} 2814 2815static int perf_script__setup_per_event_dump(struct perf_script *script) 2816{ 2817 struct evsel *evsel; 2818 2819 if (script->per_event_dump) 2820 return perf_script__fopen_per_event_dump(script); 2821 2822 es_stdout.fp = stdout; 2823 2824 evlist__for_each_entry(script->session->evlist, evsel) 2825 evsel->priv = &es_stdout; 2826 2827 return 0; 2828} 2829 2830static void perf_script__exit_per_event_dump_stats(struct perf_script *script) 2831{ 2832 struct evsel *evsel; 2833 2834 evlist__for_each_entry(script->session->evlist, evsel) { 2835 struct evsel_script *es = evsel->priv; 2836 2837 evsel_script__fprintf(es, stdout); 2838 evsel_script__delete(es); 2839 evsel->priv = NULL; 2840 } 2841} 2842 2843static void perf_script__exit(struct perf_script *script) 2844{ 2845 perf_thread_map__put(script->threads); 2846 perf_cpu_map__put(script->cpus); 2847} 2848 2849static int __cmd_script(struct perf_script *script) 2850{ 2851 int ret; 2852 2853 signal(SIGINT, sig_handler); 2854 2855 /* override event processing functions */ 2856 if (script->show_task_events) { 2857 script->tool.comm = process_comm_event; 2858 script->tool.fork = process_fork_event; 2859 script->tool.exit = process_exit_event; 2860 } 2861 if (script->show_mmap_events) { 2862 script->tool.mmap = process_mmap_event; 2863 script->tool.mmap2 = process_mmap2_event; 2864 } 2865 if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch)) 2866 script->tool.context_switch = process_switch_event; 2867 if (scripting_ops && scripting_ops->process_auxtrace_error) 2868 script->tool.auxtrace_error = process_auxtrace_error; 2869 if (script->show_namespace_events) 2870 script->tool.namespaces = process_namespaces_event; 2871 if (script->show_cgroup_events) 2872 script->tool.cgroup = process_cgroup_event; 2873 if (script->show_lost_events) 2874 script->tool.lost = process_lost_event; 2875 if (script->show_round_events) { 2876 script->tool.ordered_events = false; 2877 script->tool.finished_round = process_finished_round_event; 2878 } 2879 if (script->show_bpf_events) { 2880 script->tool.ksymbol = process_bpf_events; 2881 script->tool.bpf = process_bpf_events; 2882 } 2883 if (script->show_text_poke_events) { 2884 script->tool.ksymbol = process_bpf_events; 2885 script->tool.text_poke = process_text_poke_events; 2886 } 2887 2888 if (perf_script__setup_per_event_dump(script)) { 2889 pr_err("Couldn't create the per event dump files\n"); 2890 return -1; 2891 } 2892 2893 ret = perf_session__process_events(script->session); 2894 2895 if (script->per_event_dump) 2896 perf_script__exit_per_event_dump_stats(script); 2897 2898 if (debug_mode) 2899 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); 2900 2901 return ret; 2902} 2903 2904struct script_spec { 2905 struct list_head node; 2906 struct scripting_ops *ops; 2907 char spec[]; 2908}; 2909 2910static LIST_HEAD(script_specs); 2911 2912static struct script_spec *script_spec__new(const char *spec, 2913 struct scripting_ops *ops) 2914{ 2915 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); 2916 2917 if (s != NULL) { 2918 strcpy(s->spec, spec); 2919 s->ops = ops; 2920 } 2921 2922 return s; 2923} 2924 2925static void script_spec__add(struct script_spec *s) 2926{ 2927 list_add_tail(&s->node, &script_specs); 2928} 2929 2930static struct script_spec *script_spec__find(const char *spec) 2931{ 2932 struct script_spec *s; 2933 2934 list_for_each_entry(s, &script_specs, node) 2935 if (strcasecmp(s->spec, spec) == 0) 2936 return s; 2937 return NULL; 2938} 2939 2940int script_spec_register(const char *spec, struct scripting_ops *ops) 2941{ 2942 struct script_spec *s; 2943 2944 s = script_spec__find(spec); 2945 if (s) 2946 return -1; 2947 2948 s = script_spec__new(spec, ops); 2949 if (!s) 2950 return -1; 2951 else 2952 script_spec__add(s); 2953 2954 return 0; 2955} 2956 2957static struct scripting_ops *script_spec__lookup(const char *spec) 2958{ 2959 struct script_spec *s = script_spec__find(spec); 2960 if (!s) 2961 return NULL; 2962 2963 return s->ops; 2964} 2965 2966static void list_available_languages(void) 2967{ 2968 struct script_spec *s; 2969 2970 fprintf(stderr, "\n"); 2971 fprintf(stderr, "Scripting language extensions (used in " 2972 "perf script -s [spec:]script.[spec]):\n\n"); 2973 2974 list_for_each_entry(s, &script_specs, node) 2975 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); 2976 2977 fprintf(stderr, "\n"); 2978} 2979 2980/* Find script file relative to current directory or exec path */ 2981static char *find_script(const char *script) 2982{ 2983 char path[PATH_MAX]; 2984 2985 if (!scripting_ops) { 2986 const char *ext = strrchr(script, '.'); 2987 2988 if (!ext) 2989 return NULL; 2990 2991 scripting_ops = script_spec__lookup(++ext); 2992 if (!scripting_ops) 2993 return NULL; 2994 } 2995 2996 if (access(script, R_OK)) { 2997 char *exec_path = get_argv_exec_path(); 2998 2999 if (!exec_path) 3000 return NULL; 3001 snprintf(path, sizeof(path), "%s/scripts/%s/%s", 3002 exec_path, scripting_ops->dirname, script); 3003 free(exec_path); 3004 script = path; 3005 if (access(script, R_OK)) 3006 return NULL; 3007 } 3008 return strdup(script); 3009} 3010 3011static int parse_scriptname(const struct option *opt __maybe_unused, 3012 const char *str, int unset __maybe_unused) 3013{ 3014 char spec[PATH_MAX]; 3015 const char *script, *ext; 3016 int len; 3017 3018 if (strcmp(str, "lang") == 0) { 3019 list_available_languages(); 3020 exit(0); 3021 } 3022 3023 script = strchr(str, ':'); 3024 if (script) { 3025 len = script - str; 3026 if (len >= PATH_MAX) { 3027 fprintf(stderr, "invalid language specifier"); 3028 return -1; 3029 } 3030 strncpy(spec, str, len); 3031 spec[len] = '\0'; 3032 scripting_ops = script_spec__lookup(spec); 3033 if (!scripting_ops) { 3034 fprintf(stderr, "invalid language specifier"); 3035 return -1; 3036 } 3037 script++; 3038 } else { 3039 script = str; 3040 ext = strrchr(script, '.'); 3041 if (!ext) { 3042 fprintf(stderr, "invalid script extension"); 3043 return -1; 3044 } 3045 scripting_ops = script_spec__lookup(++ext); 3046 if (!scripting_ops) { 3047 fprintf(stderr, "invalid script extension"); 3048 return -1; 3049 } 3050 } 3051 3052 script_name = find_script(script); 3053 if (!script_name) 3054 script_name = strdup(script); 3055 3056 return 0; 3057} 3058 3059static int parse_output_fields(const struct option *opt __maybe_unused, 3060 const char *arg, int unset __maybe_unused) 3061{ 3062 char *tok, *strtok_saveptr = NULL; 3063 int i, imax = ARRAY_SIZE(all_output_options); 3064 int j; 3065 int rc = 0; 3066 char *str = strdup(arg); 3067 int type = -1; 3068 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT; 3069 3070 if (!str) 3071 return -ENOMEM; 3072 3073 /* first word can state for which event type the user is specifying 3074 * the fields. If no type exists, the specified fields apply to all 3075 * event types found in the file minus the invalid fields for a type. 3076 */ 3077 tok = strchr(str, ':'); 3078 if (tok) { 3079 *tok = '\0'; 3080 tok++; 3081 if (!strcmp(str, "hw")) 3082 type = PERF_TYPE_HARDWARE; 3083 else if (!strcmp(str, "sw")) 3084 type = PERF_TYPE_SOFTWARE; 3085 else if (!strcmp(str, "trace")) 3086 type = PERF_TYPE_TRACEPOINT; 3087 else if (!strcmp(str, "raw")) 3088 type = PERF_TYPE_RAW; 3089 else if (!strcmp(str, "break")) 3090 type = PERF_TYPE_BREAKPOINT; 3091 else if (!strcmp(str, "synth")) 3092 type = OUTPUT_TYPE_SYNTH; 3093 else { 3094 fprintf(stderr, "Invalid event type in field string.\n"); 3095 rc = -EINVAL; 3096 goto out; 3097 } 3098 3099 if (output[type].user_set) 3100 pr_warning("Overriding previous field request for %s events.\n", 3101 event_type(type)); 3102 3103 /* Don't override defaults for +- */ 3104 if (strchr(tok, '+') || strchr(tok, '-')) 3105 goto parse; 3106 3107 output[type].fields = 0; 3108 output[type].user_set = true; 3109 output[type].wildcard_set = false; 3110 3111 } else { 3112 tok = str; 3113 if (strlen(str) == 0) { 3114 fprintf(stderr, 3115 "Cannot set fields to 'none' for all event types.\n"); 3116 rc = -EINVAL; 3117 goto out; 3118 } 3119 3120 /* Don't override defaults for +- */ 3121 if (strchr(str, '+') || strchr(str, '-')) 3122 goto parse; 3123 3124 if (output_set_by_user()) 3125 pr_warning("Overriding previous field request for all events.\n"); 3126 3127 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 3128 output[j].fields = 0; 3129 output[j].user_set = true; 3130 output[j].wildcard_set = true; 3131 } 3132 } 3133 3134parse: 3135 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) { 3136 if (*tok == '+') { 3137 if (change == SET) 3138 goto out_badmix; 3139 change = ADD; 3140 tok++; 3141 } else if (*tok == '-') { 3142 if (change == SET) 3143 goto out_badmix; 3144 change = REMOVE; 3145 tok++; 3146 } else { 3147 if (change != SET && change != DEFAULT) 3148 goto out_badmix; 3149 change = SET; 3150 } 3151 3152 for (i = 0; i < imax; ++i) { 3153 if (strcmp(tok, all_output_options[i].str) == 0) 3154 break; 3155 } 3156 if (i == imax && strcmp(tok, "flags") == 0) { 3157 print_flags = change != REMOVE; 3158 continue; 3159 } 3160 if (i == imax) { 3161 fprintf(stderr, "Invalid field requested.\n"); 3162 rc = -EINVAL; 3163 goto out; 3164 } 3165#ifndef HAVE_LIBCAPSTONE_SUPPORT 3166 if (change != REMOVE && strcmp(tok, "disasm") == 0) { 3167 fprintf(stderr, "Field \"disasm\" requires perf to be built with libcapstone support.\n"); 3168 rc = -EINVAL; 3169 goto out; 3170 } 3171#endif 3172 3173 if (type == -1) { 3174 /* add user option to all events types for 3175 * which it is valid 3176 */ 3177 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { 3178 if (output[j].invalid_fields & all_output_options[i].field) { 3179 pr_warning("\'%s\' not valid for %s events. Ignoring.\n", 3180 all_output_options[i].str, event_type(j)); 3181 } else { 3182 if (change == REMOVE) { 3183 output[j].fields &= ~all_output_options[i].field; 3184 output[j].user_set_fields &= ~all_output_options[i].field; 3185 output[j].user_unset_fields |= all_output_options[i].field; 3186 } else { 3187 output[j].fields |= all_output_options[i].field; 3188 output[j].user_set_fields |= all_output_options[i].field; 3189 output[j].user_unset_fields &= ~all_output_options[i].field; 3190 } 3191 output[j].user_set = true; 3192 output[j].wildcard_set = true; 3193 } 3194 } 3195 } else { 3196 if (output[type].invalid_fields & all_output_options[i].field) { 3197 fprintf(stderr, "\'%s\' not valid for %s events.\n", 3198 all_output_options[i].str, event_type(type)); 3199 3200 rc = -EINVAL; 3201 goto out; 3202 } 3203 if (change == REMOVE) 3204 output[type].fields &= ~all_output_options[i].field; 3205 else 3206 output[type].fields |= all_output_options[i].field; 3207 output[type].user_set = true; 3208 output[type].wildcard_set = true; 3209 } 3210 } 3211 3212 if (type >= 0) { 3213 if (output[type].fields == 0) { 3214 pr_debug("No fields requested for %s type. " 3215 "Events will not be displayed.\n", event_type(type)); 3216 } 3217 } 3218 goto out; 3219 3220out_badmix: 3221 fprintf(stderr, "Cannot mix +-field with overridden fields\n"); 3222 rc = -EINVAL; 3223out: 3224 free(str); 3225 return rc; 3226} 3227 3228#define for_each_lang(scripts_path, scripts_dir, lang_dirent) \ 3229 while ((lang_dirent = readdir(scripts_dir)) != NULL) \ 3230 if ((lang_dirent->d_type == DT_DIR || \ 3231 (lang_dirent->d_type == DT_UNKNOWN && \ 3232 is_directory(scripts_path, lang_dirent))) && \ 3233 (strcmp(lang_dirent->d_name, ".")) && \ 3234 (strcmp(lang_dirent->d_name, ".."))) 3235 3236#define for_each_script(lang_path, lang_dir, script_dirent) \ 3237 while ((script_dirent = readdir(lang_dir)) != NULL) \ 3238 if (script_dirent->d_type != DT_DIR && \ 3239 (script_dirent->d_type != DT_UNKNOWN || \ 3240 !is_directory(lang_path, script_dirent))) 3241 3242 3243#define RECORD_SUFFIX "-record" 3244#define REPORT_SUFFIX "-report" 3245 3246struct script_desc { 3247 struct list_head node; 3248 char *name; 3249 char *half_liner; 3250 char *args; 3251}; 3252 3253static LIST_HEAD(script_descs); 3254 3255static struct script_desc *script_desc__new(const char *name) 3256{ 3257 struct script_desc *s = zalloc(sizeof(*s)); 3258 3259 if (s != NULL && name) 3260 s->name = strdup(name); 3261 3262 return s; 3263} 3264 3265static void script_desc__delete(struct script_desc *s) 3266{ 3267 zfree(&s->name); 3268 zfree(&s->half_liner); 3269 zfree(&s->args); 3270 free(s); 3271} 3272 3273static void script_desc__add(struct script_desc *s) 3274{ 3275 list_add_tail(&s->node, &script_descs); 3276} 3277 3278static struct script_desc *script_desc__find(const char *name) 3279{ 3280 struct script_desc *s; 3281 3282 list_for_each_entry(s, &script_descs, node) 3283 if (strcasecmp(s->name, name) == 0) 3284 return s; 3285 return NULL; 3286} 3287 3288static struct script_desc *script_desc__findnew(const char *name) 3289{ 3290 struct script_desc *s = script_desc__find(name); 3291 3292 if (s) 3293 return s; 3294 3295 s = script_desc__new(name); 3296 if (!s) 3297 return NULL; 3298 3299 script_desc__add(s); 3300 3301 return s; 3302} 3303 3304static const char *ends_with(const char *str, const char *suffix) 3305{ 3306 size_t suffix_len = strlen(suffix); 3307 const char *p = str; 3308 3309 if (strlen(str) > suffix_len) { 3310 p = str + strlen(str) - suffix_len; 3311 if (!strncmp(p, suffix, suffix_len)) 3312 return p; 3313 } 3314 3315 return NULL; 3316} 3317 3318static int read_script_info(struct script_desc *desc, const char *filename) 3319{ 3320 char line[BUFSIZ], *p; 3321 FILE *fp; 3322 3323 fp = fopen(filename, "r"); 3324 if (!fp) 3325 return -1; 3326 3327 while (fgets(line, sizeof(line), fp)) { 3328 p = skip_spaces(line); 3329 if (strlen(p) == 0) 3330 continue; 3331 if (*p != '#') 3332 continue; 3333 p++; 3334 if (strlen(p) && *p == '!') 3335 continue; 3336 3337 p = skip_spaces(p); 3338 if (strlen(p) && p[strlen(p) - 1] == '\n') 3339 p[strlen(p) - 1] = '\0'; 3340 3341 if (!strncmp(p, "description:", strlen("description:"))) { 3342 p += strlen("description:"); 3343 desc->half_liner = strdup(skip_spaces(p)); 3344 continue; 3345 } 3346 3347 if (!strncmp(p, "args:", strlen("args:"))) { 3348 p += strlen("args:"); 3349 desc->args = strdup(skip_spaces(p)); 3350 continue; 3351 } 3352 } 3353 3354 fclose(fp); 3355 3356 return 0; 3357} 3358 3359static char *get_script_root(struct dirent *script_dirent, const char *suffix) 3360{ 3361 char *script_root, *str; 3362 3363 script_root = strdup(script_dirent->d_name); 3364 if (!script_root) 3365 return NULL; 3366 3367 str = (char *)ends_with(script_root, suffix); 3368 if (!str) { 3369 free(script_root); 3370 return NULL; 3371 } 3372 3373 *str = '\0'; 3374 return script_root; 3375} 3376 3377static int list_available_scripts(const struct option *opt __maybe_unused, 3378 const char *s __maybe_unused, 3379 int unset __maybe_unused) 3380{ 3381 struct dirent *script_dirent, *lang_dirent; 3382 char *buf, *scripts_path, *script_path, *lang_path, *first_half; 3383 DIR *scripts_dir, *lang_dir; 3384 struct script_desc *desc; 3385 char *script_root; 3386 3387 buf = malloc(3 * MAXPATHLEN + BUFSIZ); 3388 if (!buf) { 3389 pr_err("malloc failed\n"); 3390 exit(-1); 3391 } 3392 scripts_path = buf; 3393 script_path = buf + MAXPATHLEN; 3394 lang_path = buf + 2 * MAXPATHLEN; 3395 first_half = buf + 3 * MAXPATHLEN; 3396 3397 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3398 3399 scripts_dir = opendir(scripts_path); 3400 if (!scripts_dir) { 3401 fprintf(stdout, 3402 "open(%s) failed.\n" 3403 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n", 3404 scripts_path); 3405 free(buf); 3406 exit(-1); 3407 } 3408 3409 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3410 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3411 lang_dirent->d_name); 3412 lang_dir = opendir(lang_path); 3413 if (!lang_dir) 3414 continue; 3415 3416 for_each_script(lang_path, lang_dir, script_dirent) { 3417 script_root = get_script_root(script_dirent, REPORT_SUFFIX); 3418 if (script_root) { 3419 desc = script_desc__findnew(script_root); 3420 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3421 lang_path, script_dirent->d_name); 3422 read_script_info(desc, script_path); 3423 free(script_root); 3424 } 3425 } 3426 } 3427 3428 fprintf(stdout, "List of available trace scripts:\n"); 3429 list_for_each_entry(desc, &script_descs, node) { 3430 sprintf(first_half, "%s %s", desc->name, 3431 desc->args ? desc->args : ""); 3432 fprintf(stdout, " %-36s %s\n", first_half, 3433 desc->half_liner ? desc->half_liner : ""); 3434 } 3435 3436 free(buf); 3437 exit(0); 3438} 3439 3440static int add_dlarg(const struct option *opt __maybe_unused, 3441 const char *s, int unset __maybe_unused) 3442{ 3443 char *arg = strdup(s); 3444 void *a; 3445 3446 if (!arg) 3447 return -1; 3448 3449 a = realloc(dlargv, sizeof(dlargv[0]) * (dlargc + 1)); 3450 if (!a) { 3451 free(arg); 3452 return -1; 3453 } 3454 3455 dlargv = a; 3456 dlargv[dlargc++] = arg; 3457 3458 return 0; 3459} 3460 3461static void free_dlarg(void) 3462{ 3463 while (dlargc--) 3464 free(dlargv[dlargc]); 3465 free(dlargv); 3466} 3467 3468/* 3469 * Some scripts specify the required events in their "xxx-record" file, 3470 * this function will check if the events in perf.data match those 3471 * mentioned in the "xxx-record". 3472 * 3473 * Fixme: All existing "xxx-record" are all in good formats "-e event ", 3474 * which is covered well now. And new parsing code should be added to 3475 * cover the future complex formats like event groups etc. 3476 */ 3477static int check_ev_match(char *dir_name, char *scriptname, 3478 struct perf_session *session) 3479{ 3480 char filename[MAXPATHLEN], evname[128]; 3481 char line[BUFSIZ], *p; 3482 struct evsel *pos; 3483 int match, len; 3484 FILE *fp; 3485 3486 scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname); 3487 3488 fp = fopen(filename, "r"); 3489 if (!fp) 3490 return -1; 3491 3492 while (fgets(line, sizeof(line), fp)) { 3493 p = skip_spaces(line); 3494 if (*p == '#') 3495 continue; 3496 3497 while (strlen(p)) { 3498 p = strstr(p, "-e"); 3499 if (!p) 3500 break; 3501 3502 p += 2; 3503 p = skip_spaces(p); 3504 len = strcspn(p, " \t"); 3505 if (!len) 3506 break; 3507 3508 snprintf(evname, len + 1, "%s", p); 3509 3510 match = 0; 3511 evlist__for_each_entry(session->evlist, pos) { 3512 if (evsel__name_is(pos, evname)) { 3513 match = 1; 3514 break; 3515 } 3516 } 3517 3518 if (!match) { 3519 fclose(fp); 3520 return -1; 3521 } 3522 } 3523 } 3524 3525 fclose(fp); 3526 return 0; 3527} 3528 3529/* 3530 * Return -1 if none is found, otherwise the actual scripts number. 3531 * 3532 * Currently the only user of this function is the script browser, which 3533 * will list all statically runnable scripts, select one, execute it and 3534 * show the output in a perf browser. 3535 */ 3536int find_scripts(char **scripts_array, char **scripts_path_array, int num, 3537 int pathlen) 3538{ 3539 struct dirent *script_dirent, *lang_dirent; 3540 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; 3541 DIR *scripts_dir, *lang_dir; 3542 struct perf_session *session; 3543 struct perf_data data = { 3544 .path = input_name, 3545 .mode = PERF_DATA_MODE_READ, 3546 }; 3547 char *temp; 3548 int i = 0; 3549 3550 session = perf_session__new(&data, NULL); 3551 if (IS_ERR(session)) 3552 return PTR_ERR(session); 3553 3554 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3555 3556 scripts_dir = opendir(scripts_path); 3557 if (!scripts_dir) { 3558 perf_session__delete(session); 3559 return -1; 3560 } 3561 3562 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3563 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, 3564 lang_dirent->d_name); 3565#ifndef HAVE_LIBPERL_SUPPORT 3566 if (strstr(lang_path, "perl")) 3567 continue; 3568#endif 3569#ifndef HAVE_LIBPYTHON_SUPPORT 3570 if (strstr(lang_path, "python")) 3571 continue; 3572#endif 3573 3574 lang_dir = opendir(lang_path); 3575 if (!lang_dir) 3576 continue; 3577 3578 for_each_script(lang_path, lang_dir, script_dirent) { 3579 /* Skip those real time scripts: xxxtop.p[yl] */ 3580 if (strstr(script_dirent->d_name, "top.")) 3581 continue; 3582 if (i >= num) 3583 break; 3584 snprintf(scripts_path_array[i], pathlen, "%s/%s", 3585 lang_path, 3586 script_dirent->d_name); 3587 temp = strchr(script_dirent->d_name, '.'); 3588 snprintf(scripts_array[i], 3589 (temp - script_dirent->d_name) + 1, 3590 "%s", script_dirent->d_name); 3591 3592 if (check_ev_match(lang_path, 3593 scripts_array[i], session)) 3594 continue; 3595 3596 i++; 3597 } 3598 closedir(lang_dir); 3599 } 3600 3601 closedir(scripts_dir); 3602 perf_session__delete(session); 3603 return i; 3604} 3605 3606static char *get_script_path(const char *script_root, const char *suffix) 3607{ 3608 struct dirent *script_dirent, *lang_dirent; 3609 char scripts_path[MAXPATHLEN]; 3610 char script_path[MAXPATHLEN]; 3611 DIR *scripts_dir, *lang_dir; 3612 char lang_path[MAXPATHLEN]; 3613 char *__script_root; 3614 3615 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); 3616 3617 scripts_dir = opendir(scripts_path); 3618 if (!scripts_dir) 3619 return NULL; 3620 3621 for_each_lang(scripts_path, scripts_dir, lang_dirent) { 3622 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, 3623 lang_dirent->d_name); 3624 lang_dir = opendir(lang_path); 3625 if (!lang_dir) 3626 continue; 3627 3628 for_each_script(lang_path, lang_dir, script_dirent) { 3629 __script_root = get_script_root(script_dirent, suffix); 3630 if (__script_root && !strcmp(script_root, __script_root)) { 3631 free(__script_root); 3632 closedir(scripts_dir); 3633 scnprintf(script_path, MAXPATHLEN, "%s/%s", 3634 lang_path, script_dirent->d_name); 3635 closedir(lang_dir); 3636 return strdup(script_path); 3637 } 3638 free(__script_root); 3639 } 3640 closedir(lang_dir); 3641 } 3642 closedir(scripts_dir); 3643 3644 return NULL; 3645} 3646 3647static bool is_top_script(const char *script_path) 3648{ 3649 return ends_with(script_path, "top") != NULL; 3650} 3651 3652static int has_required_arg(char *script_path) 3653{ 3654 struct script_desc *desc; 3655 int n_args = 0; 3656 char *p; 3657 3658 desc = script_desc__new(NULL); 3659 3660 if (read_script_info(desc, script_path)) 3661 goto out; 3662 3663 if (!desc->args) 3664 goto out; 3665 3666 for (p = desc->args; *p; p++) 3667 if (*p == '<') 3668 n_args++; 3669out: 3670 script_desc__delete(desc); 3671 3672 return n_args; 3673} 3674 3675static int have_cmd(int argc, const char **argv) 3676{ 3677 char **__argv = malloc(sizeof(const char *) * argc); 3678 3679 if (!__argv) { 3680 pr_err("malloc failed\n"); 3681 return -1; 3682 } 3683 3684 memcpy(__argv, argv, sizeof(const char *) * argc); 3685 argc = parse_options(argc, (const char **)__argv, record_options, 3686 NULL, PARSE_OPT_STOP_AT_NON_OPTION); 3687 free(__argv); 3688 3689 system_wide = (argc == 0); 3690 3691 return 0; 3692} 3693 3694static void script__setup_sample_type(struct perf_script *script) 3695{ 3696 struct perf_session *session = script->session; 3697 u64 sample_type = evlist__combined_sample_type(session->evlist); 3698 3699 callchain_param_setup(sample_type, perf_env__arch(session->machines.host.env)); 3700 3701 if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) { 3702 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n" 3703 "Please apply --call-graph lbr when recording.\n"); 3704 script->stitch_lbr = false; 3705 } 3706} 3707 3708static int process_stat_round_event(struct perf_session *session, 3709 union perf_event *event) 3710{ 3711 struct perf_record_stat_round *round = &event->stat_round; 3712 struct evsel *counter; 3713 3714 evlist__for_each_entry(session->evlist, counter) { 3715 perf_stat_process_counter(&stat_config, counter); 3716 process_stat(counter, round->time); 3717 } 3718 3719 process_stat_interval(round->time); 3720 return 0; 3721} 3722 3723static int process_stat_config_event(struct perf_session *session __maybe_unused, 3724 union perf_event *event) 3725{ 3726 perf_event__read_stat_config(&stat_config, &event->stat_config); 3727 3728 /* 3729 * Aggregation modes are not used since post-processing scripts are 3730 * supposed to take care of such requirements 3731 */ 3732 stat_config.aggr_mode = AGGR_NONE; 3733 3734 return 0; 3735} 3736 3737static int set_maps(struct perf_script *script) 3738{ 3739 struct evlist *evlist = script->session->evlist; 3740 3741 if (!script->cpus || !script->threads) 3742 return 0; 3743 3744 if (WARN_ONCE(script->allocated, "stats double allocation\n")) 3745 return -EINVAL; 3746 3747 perf_evlist__set_maps(&evlist->core, script->cpus, script->threads); 3748 3749 if (evlist__alloc_stats(&stat_config, evlist, /*alloc_raw=*/true)) 3750 return -ENOMEM; 3751 3752 script->allocated = true; 3753 return 0; 3754} 3755 3756static 3757int process_thread_map_event(struct perf_session *session, 3758 union perf_event *event) 3759{ 3760 struct perf_tool *tool = session->tool; 3761 struct perf_script *script = container_of(tool, struct perf_script, tool); 3762 3763 if (dump_trace) 3764 perf_event__fprintf_thread_map(event, stdout); 3765 3766 if (script->threads) { 3767 pr_warning("Extra thread map event, ignoring.\n"); 3768 return 0; 3769 } 3770 3771 script->threads = thread_map__new_event(&event->thread_map); 3772 if (!script->threads) 3773 return -ENOMEM; 3774 3775 return set_maps(script); 3776} 3777 3778static 3779int process_cpu_map_event(struct perf_session *session, 3780 union perf_event *event) 3781{ 3782 struct perf_tool *tool = session->tool; 3783 struct perf_script *script = container_of(tool, struct perf_script, tool); 3784 3785 if (dump_trace) 3786 perf_event__fprintf_cpu_map(event, stdout); 3787 3788 if (script->cpus) { 3789 pr_warning("Extra cpu map event, ignoring.\n"); 3790 return 0; 3791 } 3792 3793 script->cpus = cpu_map__new_data(&event->cpu_map.data); 3794 if (!script->cpus) 3795 return -ENOMEM; 3796 3797 return set_maps(script); 3798} 3799 3800static int process_feature_event(struct perf_session *session, 3801 union perf_event *event) 3802{ 3803 if (event->feat.feat_id < HEADER_LAST_FEATURE) 3804 return perf_event__process_feature(session, event); 3805 return 0; 3806} 3807 3808#ifdef HAVE_AUXTRACE_SUPPORT 3809static int perf_script__process_auxtrace_info(struct perf_session *session, 3810 union perf_event *event) 3811{ 3812 struct perf_tool *tool = session->tool; 3813 3814 int ret = perf_event__process_auxtrace_info(session, event); 3815 3816 if (ret == 0) { 3817 struct perf_script *script = container_of(tool, struct perf_script, tool); 3818 3819 ret = perf_script__setup_per_event_dump(script); 3820 } 3821 3822 return ret; 3823} 3824#else 3825#define perf_script__process_auxtrace_info 0 3826#endif 3827 3828static int parse_insn_trace(const struct option *opt __maybe_unused, 3829 const char *str, int unset __maybe_unused) 3830{ 3831 const char *fields = "+insn,-event,-period"; 3832 int ret; 3833 3834 if (str) { 3835 if (strcmp(str, "disasm") == 0) 3836 fields = "+disasm,-event,-period"; 3837 else if (strlen(str) != 0 && strcmp(str, "raw") != 0) { 3838 fprintf(stderr, "Only accept raw|disasm\n"); 3839 return -EINVAL; 3840 } 3841 } 3842 3843 ret = parse_output_fields(NULL, fields, 0); 3844 if (ret < 0) 3845 return ret; 3846 3847 itrace_parse_synth_opts(opt, "i0nse", 0); 3848 symbol_conf.nanosecs = true; 3849 return 0; 3850} 3851 3852static int parse_xed(const struct option *opt __maybe_unused, 3853 const char *str __maybe_unused, 3854 int unset __maybe_unused) 3855{ 3856 if (isatty(1)) 3857 force_pager("xed -F insn: -A -64 | less"); 3858 else 3859 force_pager("xed -F insn: -A -64"); 3860 return 0; 3861} 3862 3863static int parse_call_trace(const struct option *opt __maybe_unused, 3864 const char *str __maybe_unused, 3865 int unset __maybe_unused) 3866{ 3867 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0); 3868 itrace_parse_synth_opts(opt, "cewp", 0); 3869 symbol_conf.nanosecs = true; 3870 symbol_conf.pad_output_len_dso = 50; 3871 return 0; 3872} 3873 3874static int parse_callret_trace(const struct option *opt __maybe_unused, 3875 const char *str __maybe_unused, 3876 int unset __maybe_unused) 3877{ 3878 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0); 3879 itrace_parse_synth_opts(opt, "crewp", 0); 3880 symbol_conf.nanosecs = true; 3881 return 0; 3882} 3883 3884int cmd_script(int argc, const char **argv) 3885{ 3886 bool show_full_info = false; 3887 bool header = false; 3888 bool header_only = false; 3889 bool script_started = false; 3890 bool unsorted_dump = false; 3891 char *rec_script_path = NULL; 3892 char *rep_script_path = NULL; 3893 struct perf_session *session; 3894 struct itrace_synth_opts itrace_synth_opts = { 3895 .set = false, 3896 .default_no_sample = true, 3897 }; 3898 struct utsname uts; 3899 char *script_path = NULL; 3900 const char *dlfilter_file = NULL; 3901 const char **__argv; 3902 int i, j, err = 0; 3903 struct perf_script script = { 3904 .tool = { 3905 .sample = process_sample_event, 3906 .mmap = perf_event__process_mmap, 3907 .mmap2 = perf_event__process_mmap2, 3908 .comm = perf_event__process_comm, 3909 .namespaces = perf_event__process_namespaces, 3910 .cgroup = perf_event__process_cgroup, 3911 .exit = perf_event__process_exit, 3912 .fork = perf_event__process_fork, 3913 .attr = process_attr, 3914 .event_update = perf_event__process_event_update, 3915#ifdef HAVE_LIBTRACEEVENT 3916 .tracing_data = perf_event__process_tracing_data, 3917#endif 3918 .feature = process_feature_event, 3919 .build_id = perf_event__process_build_id, 3920 .id_index = perf_event__process_id_index, 3921 .auxtrace_info = perf_script__process_auxtrace_info, 3922 .auxtrace = perf_event__process_auxtrace, 3923 .auxtrace_error = perf_event__process_auxtrace_error, 3924 .stat = perf_event__process_stat_event, 3925 .stat_round = process_stat_round_event, 3926 .stat_config = process_stat_config_event, 3927 .thread_map = process_thread_map_event, 3928 .cpu_map = process_cpu_map_event, 3929 .throttle = process_throttle_event, 3930 .unthrottle = process_throttle_event, 3931 .ordered_events = true, 3932 .ordering_requires_timestamps = true, 3933 }, 3934 }; 3935 struct perf_data data = { 3936 .mode = PERF_DATA_MODE_READ, 3937 }; 3938 const struct option options[] = { 3939 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 3940 "dump raw trace in ASCII"), 3941 OPT_BOOLEAN(0, "dump-unsorted-raw-trace", &unsorted_dump, 3942 "dump unsorted raw trace in ASCII"), 3943 OPT_INCR('v', "verbose", &verbose, 3944 "be more verbose (show symbol address, etc)"), 3945 OPT_BOOLEAN('L', "Latency", &latency_format, 3946 "show latency attributes (irqs/preemption disabled, etc)"), 3947 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", 3948 list_available_scripts), 3949 OPT_CALLBACK_NOOPT(0, "list-dlfilters", NULL, NULL, "list available dlfilters", 3950 list_available_dlfilters), 3951 OPT_CALLBACK('s', "script", NULL, "name", 3952 "script file name (lang:script name, script name, or *)", 3953 parse_scriptname), 3954 OPT_STRING('g', "gen-script", &generate_script_lang, "lang", 3955 "generate perf-script.xx script in specified language"), 3956 OPT_STRING(0, "dlfilter", &dlfilter_file, "file", "filter .so file name"), 3957 OPT_CALLBACK(0, "dlarg", NULL, "argument", "filter argument", 3958 add_dlarg), 3959 OPT_STRING('i', "input", &input_name, "file", "input file name"), 3960 OPT_BOOLEAN('d', "debug-mode", &debug_mode, 3961 "do various checks like samples ordering and lost events"), 3962 OPT_BOOLEAN(0, "header", &header, "Show data header."), 3963 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."), 3964 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 3965 "file", "vmlinux pathname"), 3966 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 3967 "file", "kallsyms pathname"), 3968 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, 3969 "When printing symbols do not display call chain"), 3970 OPT_CALLBACK(0, "symfs", NULL, "directory", 3971 "Look for files with symbols relative to this directory", 3972 symbol__config_symfs), 3973 OPT_CALLBACK('F', "fields", NULL, "str", 3974 "comma separated output fields prepend with 'type:'. " 3975 "+field to add and -field to remove." 3976 "Valid types: hw,sw,trace,raw,synth. " 3977 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,dsoff," 3978 "addr,symoff,srcline,period,iregs,uregs,brstack," 3979 "brstacksym,flags,data_src,weight,bpf-output,brstackinsn," 3980 "brstackinsnlen,brstackdisasm,brstackoff,callindent,insn,disasm,insnlen,synth," 3981 "phys_addr,metric,misc,srccode,ipc,tod,data_page_size," 3982 "code_page_size,ins_lat,machine_pid,vcpu,cgroup,retire_lat", 3983 parse_output_fields), 3984 OPT_BOOLEAN('a', "all-cpus", &system_wide, 3985 "system-wide collection from all CPUs"), 3986 OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", 3987 "only consider symbols in these DSOs"), 3988 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 3989 "only consider these symbols"), 3990 OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range, 3991 "Use with -S to list traced records within address range"), 3992 OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, "raw|disasm", 3993 "Decode instructions from itrace", parse_insn_trace), 3994 OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL, 3995 "Run xed disassembler on output", parse_xed), 3996 OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL, 3997 "Decode calls from itrace", parse_call_trace), 3998 OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL, 3999 "Decode calls and returns from itrace", parse_callret_trace), 4000 OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]", 4001 "Only print symbols and callees with --call-trace/--call-ret-trace"), 4002 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]", 4003 "Stop display of callgraph at these symbols"), 4004 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), 4005 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 4006 "only display events for these comms"), 4007 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 4008 "only consider symbols in these pids"), 4009 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 4010 "only consider symbols in these tids"), 4011 OPT_UINTEGER(0, "max-stack", &scripting_max_stack, 4012 "Set the maximum stack depth when parsing the callchain, " 4013 "anything beyond the specified depth will be ignored. " 4014 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 4015 OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"), 4016 OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"), 4017 OPT_BOOLEAN('I', "show-info", &show_full_info, 4018 "display extended information from perf.data file"), 4019 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, 4020 "Show the path of [kernel.kallsyms]"), 4021 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, 4022 "Show the fork/comm/exit events"), 4023 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, 4024 "Show the mmap events"), 4025 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events, 4026 "Show context switch events (if recorded)"), 4027 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events, 4028 "Show namespace events (if recorded)"), 4029 OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events, 4030 "Show cgroup events (if recorded)"), 4031 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events, 4032 "Show lost events (if recorded)"), 4033 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events, 4034 "Show round events (if recorded)"), 4035 OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events, 4036 "Show bpf related events (if recorded)"), 4037 OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events, 4038 "Show text poke related events (if recorded)"), 4039 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump, 4040 "Dump trace output to files named by the monitored events"), 4041 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 4042 OPT_INTEGER(0, "max-blocks", &max_blocks, 4043 "Maximum number of code blocks to dump with brstackinsn"), 4044 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, 4045 "Use 9 decimal places when displaying time"), 4046 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 4047 "Instruction Tracing options\n" ITRACE_HELP, 4048 itrace_parse_synth_opts), 4049 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 4050 "Show full source file name path for source lines"), 4051 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 4052 "Enable symbol demangling"), 4053 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 4054 "Enable kernel symbol demangling"), 4055 OPT_STRING(0, "time", &script.time_str, "str", 4056 "Time span of interest (start,stop)"), 4057 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 4058 "Show inline function"), 4059 OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory", 4060 "guest mount directory under which every guest os" 4061 " instance has a subdir"), 4062 OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name, 4063 "file", "file saving guest os vmlinux"), 4064 OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms, 4065 "file", "file saving guest os /proc/kallsyms"), 4066 OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules, 4067 "file", "file saving guest os /proc/modules"), 4068 OPT_BOOLEAN(0, "guest-code", &symbol_conf.guest_code, 4069 "Guest code can be found in hypervisor process"), 4070 OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr, 4071 "Enable LBR callgraph stitching approach"), 4072 OPTS_EVSWITCH(&script.evswitch), 4073 OPT_END() 4074 }; 4075 const char * const script_subcommands[] = { "record", "report", NULL }; 4076 const char *script_usage[] = { 4077 "perf script [<options>]", 4078 "perf script [<options>] record <script> [<record-options>] <command>", 4079 "perf script [<options>] report <script> [script-args]", 4080 "perf script [<options>] <script> [<record-options>] <command>", 4081 "perf script [<options>] <top-script> [script-args]", 4082 NULL 4083 }; 4084 4085 perf_set_singlethreaded(); 4086 4087 setup_scripting(); 4088 4089 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage, 4090 PARSE_OPT_STOP_AT_NON_OPTION); 4091 4092 if (symbol_conf.guestmount || 4093 symbol_conf.default_guest_vmlinux_name || 4094 symbol_conf.default_guest_kallsyms || 4095 symbol_conf.default_guest_modules || 4096 symbol_conf.guest_code) { 4097 /* 4098 * Enable guest sample processing. 4099 */ 4100 perf_guest = true; 4101 } 4102 4103 data.path = input_name; 4104 data.force = symbol_conf.force; 4105 4106 if (unsorted_dump) { 4107 dump_trace = true; 4108 script.tool.ordered_events = false; 4109 } 4110 4111 if (symbol__validate_sym_arguments()) 4112 return -1; 4113 4114 if (argc > 1 && strlen(argv[0]) > 2 && strstarts("record", argv[0])) { 4115 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); 4116 if (!rec_script_path) 4117 return cmd_record(argc, argv); 4118 } 4119 4120 if (argc > 1 && strlen(argv[0]) > 2 && strstarts("report", argv[0])) { 4121 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); 4122 if (!rep_script_path) { 4123 fprintf(stderr, 4124 "Please specify a valid report script" 4125 "(see 'perf script -l' for listing)\n"); 4126 return -1; 4127 } 4128 } 4129 4130 if (reltime && deltatime) { 4131 fprintf(stderr, 4132 "reltime and deltatime - the two don't get along well. " 4133 "Please limit to --reltime or --deltatime.\n"); 4134 return -1; 4135 } 4136 4137 if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) && 4138 itrace_synth_opts.callchain_sz > scripting_max_stack) 4139 scripting_max_stack = itrace_synth_opts.callchain_sz; 4140 4141 /* make sure PERF_EXEC_PATH is set for scripts */ 4142 set_argv_exec_path(get_argv_exec_path()); 4143 4144 if (argc && !script_name && !rec_script_path && !rep_script_path) { 4145 int live_pipe[2]; 4146 int rep_args; 4147 pid_t pid; 4148 4149 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); 4150 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); 4151 4152 if (!rec_script_path && !rep_script_path) { 4153 script_name = find_script(argv[0]); 4154 if (script_name) { 4155 argc -= 1; 4156 argv += 1; 4157 goto script_found; 4158 } 4159 usage_with_options_msg(script_usage, options, 4160 "Couldn't find script `%s'\n\n See perf" 4161 " script -l for available scripts.\n", argv[0]); 4162 } 4163 4164 if (is_top_script(argv[0])) { 4165 rep_args = argc - 1; 4166 } else { 4167 int rec_args; 4168 4169 rep_args = has_required_arg(rep_script_path); 4170 rec_args = (argc - 1) - rep_args; 4171 if (rec_args < 0) { 4172 usage_with_options_msg(script_usage, options, 4173 "`%s' script requires options." 4174 "\n\n See perf script -l for available " 4175 "scripts and options.\n", argv[0]); 4176 } 4177 } 4178 4179 if (pipe(live_pipe) < 0) { 4180 perror("failed to create pipe"); 4181 return -1; 4182 } 4183 4184 pid = fork(); 4185 if (pid < 0) { 4186 perror("failed to fork"); 4187 return -1; 4188 } 4189 4190 if (!pid) { 4191 j = 0; 4192 4193 dup2(live_pipe[1], 1); 4194 close(live_pipe[0]); 4195 4196 if (is_top_script(argv[0])) { 4197 system_wide = true; 4198 } else if (!system_wide) { 4199 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { 4200 err = -1; 4201 goto out; 4202 } 4203 } 4204 4205 __argv = malloc((argc + 6) * sizeof(const char *)); 4206 if (!__argv) { 4207 pr_err("malloc failed\n"); 4208 err = -ENOMEM; 4209 goto out; 4210 } 4211 4212 __argv[j++] = "/bin/sh"; 4213 __argv[j++] = rec_script_path; 4214 if (system_wide) 4215 __argv[j++] = "-a"; 4216 __argv[j++] = "-q"; 4217 __argv[j++] = "-o"; 4218 __argv[j++] = "-"; 4219 for (i = rep_args + 1; i < argc; i++) 4220 __argv[j++] = argv[i]; 4221 __argv[j++] = NULL; 4222 4223 execvp("/bin/sh", (char **)__argv); 4224 free(__argv); 4225 exit(-1); 4226 } 4227 4228 dup2(live_pipe[0], 0); 4229 close(live_pipe[1]); 4230 4231 __argv = malloc((argc + 4) * sizeof(const char *)); 4232 if (!__argv) { 4233 pr_err("malloc failed\n"); 4234 err = -ENOMEM; 4235 goto out; 4236 } 4237 4238 j = 0; 4239 __argv[j++] = "/bin/sh"; 4240 __argv[j++] = rep_script_path; 4241 for (i = 1; i < rep_args + 1; i++) 4242 __argv[j++] = argv[i]; 4243 __argv[j++] = "-i"; 4244 __argv[j++] = "-"; 4245 __argv[j++] = NULL; 4246 4247 execvp("/bin/sh", (char **)__argv); 4248 free(__argv); 4249 exit(-1); 4250 } 4251script_found: 4252 if (rec_script_path) 4253 script_path = rec_script_path; 4254 if (rep_script_path) 4255 script_path = rep_script_path; 4256 4257 if (script_path) { 4258 j = 0; 4259 4260 if (!rec_script_path) 4261 system_wide = false; 4262 else if (!system_wide) { 4263 if (have_cmd(argc - 1, &argv[1]) != 0) { 4264 err = -1; 4265 goto out; 4266 } 4267 } 4268 4269 __argv = malloc((argc + 2) * sizeof(const char *)); 4270 if (!__argv) { 4271 pr_err("malloc failed\n"); 4272 err = -ENOMEM; 4273 goto out; 4274 } 4275 4276 __argv[j++] = "/bin/sh"; 4277 __argv[j++] = script_path; 4278 if (system_wide) 4279 __argv[j++] = "-a"; 4280 for (i = 2; i < argc; i++) 4281 __argv[j++] = argv[i]; 4282 __argv[j++] = NULL; 4283 4284 execvp("/bin/sh", (char **)__argv); 4285 free(__argv); 4286 exit(-1); 4287 } 4288 4289 if (dlfilter_file) { 4290 dlfilter = dlfilter__new(dlfilter_file, dlargc, dlargv); 4291 if (!dlfilter) 4292 return -1; 4293 } 4294 4295 if (!script_name) { 4296 setup_pager(); 4297 use_browser = 0; 4298 } 4299 4300 session = perf_session__new(&data, &script.tool); 4301 if (IS_ERR(session)) 4302 return PTR_ERR(session); 4303 4304 if (header || header_only) { 4305 script.tool.show_feat_hdr = SHOW_FEAT_HEADER; 4306 perf_session__fprintf_info(session, stdout, show_full_info); 4307 if (header_only) 4308 goto out_delete; 4309 } 4310 if (show_full_info) 4311 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 4312 4313 if (symbol__init(&session->header.env) < 0) 4314 goto out_delete; 4315 4316 uname(&uts); 4317 if (data.is_pipe) { /* Assume pipe_mode indicates native_arch */ 4318 native_arch = true; 4319 } else if (session->header.env.arch) { 4320 if (!strcmp(uts.machine, session->header.env.arch)) 4321 native_arch = true; 4322 else if (!strcmp(uts.machine, "x86_64") && 4323 !strcmp(session->header.env.arch, "i386")) 4324 native_arch = true; 4325 } 4326 4327 script.session = session; 4328 script__setup_sample_type(&script); 4329 4330 if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) || 4331 symbol_conf.graph_function) 4332 itrace_synth_opts.thread_stack = true; 4333 4334 session->itrace_synth_opts = &itrace_synth_opts; 4335 4336 if (cpu_list) { 4337 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap); 4338 if (err < 0) 4339 goto out_delete; 4340 itrace_synth_opts.cpu_bitmap = cpu_bitmap; 4341 } 4342 4343 if (!no_callchain) 4344 symbol_conf.use_callchain = true; 4345 else 4346 symbol_conf.use_callchain = false; 4347 4348#ifdef HAVE_LIBTRACEEVENT 4349 if (session->tevent.pevent && 4350 tep_set_function_resolver(session->tevent.pevent, 4351 machine__resolve_kernel_addr, 4352 &session->machines.host) < 0) { 4353 pr_err("%s: failed to set libtraceevent function resolver\n", __func__); 4354 err = -1; 4355 goto out_delete; 4356 } 4357#endif 4358 if (generate_script_lang) { 4359 struct stat perf_stat; 4360 int input; 4361 4362 if (output_set_by_user()) { 4363 fprintf(stderr, 4364 "custom fields not supported for generated scripts"); 4365 err = -EINVAL; 4366 goto out_delete; 4367 } 4368 4369 input = open(data.path, O_RDONLY); /* input_name */ 4370 if (input < 0) { 4371 err = -errno; 4372 perror("failed to open file"); 4373 goto out_delete; 4374 } 4375 4376 err = fstat(input, &perf_stat); 4377 if (err < 0) { 4378 perror("failed to stat file"); 4379 goto out_delete; 4380 } 4381 4382 if (!perf_stat.st_size) { 4383 fprintf(stderr, "zero-sized file, nothing to do!\n"); 4384 goto out_delete; 4385 } 4386 4387 scripting_ops = script_spec__lookup(generate_script_lang); 4388 if (!scripting_ops) { 4389 fprintf(stderr, "invalid language specifier"); 4390 err = -ENOENT; 4391 goto out_delete; 4392 } 4393#ifdef HAVE_LIBTRACEEVENT 4394 err = scripting_ops->generate_script(session->tevent.pevent, 4395 "perf-script"); 4396#else 4397 err = scripting_ops->generate_script(NULL, "perf-script"); 4398#endif 4399 goto out_delete; 4400 } 4401 4402 err = dlfilter__start(dlfilter, session); 4403 if (err) 4404 goto out_delete; 4405 4406 if (script_name) { 4407 err = scripting_ops->start_script(script_name, argc, argv, session); 4408 if (err) 4409 goto out_delete; 4410 pr_debug("perf script started with script %s\n\n", script_name); 4411 script_started = true; 4412 } 4413 4414 4415 err = perf_session__check_output_opt(session); 4416 if (err < 0) 4417 goto out_delete; 4418 4419 if (script.time_str) { 4420 err = perf_time__parse_for_ranges_reltime(script.time_str, session, 4421 &script.ptime_range, 4422 &script.range_size, 4423 &script.range_num, 4424 reltime); 4425 if (err < 0) 4426 goto out_delete; 4427 4428 itrace_synth_opts__set_time_range(&itrace_synth_opts, 4429 script.ptime_range, 4430 script.range_num); 4431 } 4432 4433 err = evswitch__init(&script.evswitch, session->evlist, stderr); 4434 if (err) 4435 goto out_delete; 4436 4437 if (zstd_init(&(session->zstd_data), 0) < 0) 4438 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n"); 4439 4440 err = __cmd_script(&script); 4441 4442 flush_scripting(); 4443 4444 if (verbose > 2 || debug_kmaps) 4445 perf_session__dump_kmaps(session); 4446 4447out_delete: 4448 if (script.ptime_range) { 4449 itrace_synth_opts__clear_time_range(&itrace_synth_opts); 4450 zfree(&script.ptime_range); 4451 } 4452 4453 zstd_fini(&(session->zstd_data)); 4454 evlist__free_stats(session->evlist); 4455 perf_session__delete(session); 4456 perf_script__exit(&script); 4457 4458 if (script_started) 4459 cleanup_scripting(); 4460 dlfilter__cleanup(dlfilter); 4461 free_dlarg(); 4462out: 4463 return err; 4464} 4465