| 1 | #include "builtin.h" |
| 2 | |
| 3 | #include "perf.h" |
| 4 | #include "util/cache.h" |
| 5 | #include "util/debug.h" |
| 6 | #include "util/exec_cmd.h" |
| 7 | #include "util/header.h" |
| 8 | #include "util/parse-options.h" |
| 9 | #include "util/perf_regs.h" |
| 10 | #include "util/session.h" |
| 11 | #include "util/tool.h" |
| 12 | #include "util/symbol.h" |
| 13 | #include "util/thread.h" |
| 14 | #include "util/trace-event.h" |
| 15 | #include "util/util.h" |
| 16 | #include "util/evlist.h" |
| 17 | #include "util/evsel.h" |
| 18 | #include "util/sort.h" |
| 19 | #include "util/data.h" |
| 20 | #include "util/auxtrace.h" |
| 21 | #include <linux/bitmap.h> |
| 22 | |
| 23 | static char const *script_name; |
| 24 | static char const *generate_script_lang; |
| 25 | static bool debug_mode; |
| 26 | static u64 last_timestamp; |
| 27 | static u64 nr_unordered; |
| 28 | static bool no_callchain; |
| 29 | static bool latency_format; |
| 30 | static bool system_wide; |
| 31 | static bool print_flags; |
| 32 | static bool nanosecs; |
| 33 | static const char *cpu_list; |
| 34 | static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); |
| 35 | |
| 36 | unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH; |
| 37 | |
| 38 | enum perf_output_field { |
| 39 | PERF_OUTPUT_COMM = 1U << 0, |
| 40 | PERF_OUTPUT_TID = 1U << 1, |
| 41 | PERF_OUTPUT_PID = 1U << 2, |
| 42 | PERF_OUTPUT_TIME = 1U << 3, |
| 43 | PERF_OUTPUT_CPU = 1U << 4, |
| 44 | PERF_OUTPUT_EVNAME = 1U << 5, |
| 45 | PERF_OUTPUT_TRACE = 1U << 6, |
| 46 | PERF_OUTPUT_IP = 1U << 7, |
| 47 | PERF_OUTPUT_SYM = 1U << 8, |
| 48 | PERF_OUTPUT_DSO = 1U << 9, |
| 49 | PERF_OUTPUT_ADDR = 1U << 10, |
| 50 | PERF_OUTPUT_SYMOFFSET = 1U << 11, |
| 51 | PERF_OUTPUT_SRCLINE = 1U << 12, |
| 52 | PERF_OUTPUT_PERIOD = 1U << 13, |
| 53 | PERF_OUTPUT_IREGS = 1U << 14, |
| 54 | }; |
| 55 | |
| 56 | struct output_option { |
| 57 | const char *str; |
| 58 | enum perf_output_field field; |
| 59 | } all_output_options[] = { |
| 60 | {.str = "comm", .field = PERF_OUTPUT_COMM}, |
| 61 | {.str = "tid", .field = PERF_OUTPUT_TID}, |
| 62 | {.str = "pid", .field = PERF_OUTPUT_PID}, |
| 63 | {.str = "time", .field = PERF_OUTPUT_TIME}, |
| 64 | {.str = "cpu", .field = PERF_OUTPUT_CPU}, |
| 65 | {.str = "event", .field = PERF_OUTPUT_EVNAME}, |
| 66 | {.str = "trace", .field = PERF_OUTPUT_TRACE}, |
| 67 | {.str = "ip", .field = PERF_OUTPUT_IP}, |
| 68 | {.str = "sym", .field = PERF_OUTPUT_SYM}, |
| 69 | {.str = "dso", .field = PERF_OUTPUT_DSO}, |
| 70 | {.str = "addr", .field = PERF_OUTPUT_ADDR}, |
| 71 | {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET}, |
| 72 | {.str = "srcline", .field = PERF_OUTPUT_SRCLINE}, |
| 73 | {.str = "period", .field = PERF_OUTPUT_PERIOD}, |
| 74 | {.str = "iregs", .field = PERF_OUTPUT_IREGS}, |
| 75 | }; |
| 76 | |
| 77 | /* default set to maintain compatibility with current format */ |
| 78 | static struct { |
| 79 | bool user_set; |
| 80 | bool wildcard_set; |
| 81 | unsigned int print_ip_opts; |
| 82 | u64 fields; |
| 83 | u64 invalid_fields; |
| 84 | } output[PERF_TYPE_MAX] = { |
| 85 | |
| 86 | [PERF_TYPE_HARDWARE] = { |
| 87 | .user_set = false, |
| 88 | |
| 89 | .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | |
| 90 | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | |
| 91 | PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | |
| 92 | PERF_OUTPUT_SYM | PERF_OUTPUT_DSO | |
| 93 | PERF_OUTPUT_PERIOD, |
| 94 | |
| 95 | .invalid_fields = PERF_OUTPUT_TRACE, |
| 96 | }, |
| 97 | |
| 98 | [PERF_TYPE_SOFTWARE] = { |
| 99 | .user_set = false, |
| 100 | |
| 101 | .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | |
| 102 | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | |
| 103 | PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | |
| 104 | PERF_OUTPUT_SYM | PERF_OUTPUT_DSO | |
| 105 | PERF_OUTPUT_PERIOD, |
| 106 | |
| 107 | .invalid_fields = PERF_OUTPUT_TRACE, |
| 108 | }, |
| 109 | |
| 110 | [PERF_TYPE_TRACEPOINT] = { |
| 111 | .user_set = false, |
| 112 | |
| 113 | .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | |
| 114 | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | |
| 115 | PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE, |
| 116 | }, |
| 117 | |
| 118 | [PERF_TYPE_RAW] = { |
| 119 | .user_set = false, |
| 120 | |
| 121 | .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | |
| 122 | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | |
| 123 | PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | |
| 124 | PERF_OUTPUT_SYM | PERF_OUTPUT_DSO | |
| 125 | PERF_OUTPUT_PERIOD, |
| 126 | |
| 127 | .invalid_fields = PERF_OUTPUT_TRACE, |
| 128 | }, |
| 129 | }; |
| 130 | |
| 131 | static bool output_set_by_user(void) |
| 132 | { |
| 133 | int j; |
| 134 | for (j = 0; j < PERF_TYPE_MAX; ++j) { |
| 135 | if (output[j].user_set) |
| 136 | return true; |
| 137 | } |
| 138 | return false; |
| 139 | } |
| 140 | |
| 141 | static const char *output_field2str(enum perf_output_field field) |
| 142 | { |
| 143 | int i, imax = ARRAY_SIZE(all_output_options); |
| 144 | const char *str = ""; |
| 145 | |
| 146 | for (i = 0; i < imax; ++i) { |
| 147 | if (all_output_options[i].field == field) { |
| 148 | str = all_output_options[i].str; |
| 149 | break; |
| 150 | } |
| 151 | } |
| 152 | return str; |
| 153 | } |
| 154 | |
| 155 | #define PRINT_FIELD(x) (output[attr->type].fields & PERF_OUTPUT_##x) |
| 156 | |
| 157 | static int perf_evsel__do_check_stype(struct perf_evsel *evsel, |
| 158 | u64 sample_type, const char *sample_msg, |
| 159 | enum perf_output_field field, |
| 160 | bool allow_user_set) |
| 161 | { |
| 162 | struct perf_event_attr *attr = &evsel->attr; |
| 163 | int type = attr->type; |
| 164 | const char *evname; |
| 165 | |
| 166 | if (attr->sample_type & sample_type) |
| 167 | return 0; |
| 168 | |
| 169 | if (output[type].user_set) { |
| 170 | if (allow_user_set) |
| 171 | return 0; |
| 172 | evname = perf_evsel__name(evsel); |
| 173 | pr_err("Samples for '%s' event do not have %s attribute set. " |
| 174 | "Cannot print '%s' field.\n", |
| 175 | evname, sample_msg, output_field2str(field)); |
| 176 | return -1; |
| 177 | } |
| 178 | |
| 179 | /* user did not ask for it explicitly so remove from the default list */ |
| 180 | output[type].fields &= ~field; |
| 181 | evname = perf_evsel__name(evsel); |
| 182 | pr_debug("Samples for '%s' event do not have %s attribute set. " |
| 183 | "Skipping '%s' field.\n", |
| 184 | evname, sample_msg, output_field2str(field)); |
| 185 | |
| 186 | return 0; |
| 187 | } |
| 188 | |
| 189 | static int perf_evsel__check_stype(struct perf_evsel *evsel, |
| 190 | u64 sample_type, const char *sample_msg, |
| 191 | enum perf_output_field field) |
| 192 | { |
| 193 | return perf_evsel__do_check_stype(evsel, sample_type, sample_msg, field, |
| 194 | false); |
| 195 | } |
| 196 | |
| 197 | static int perf_evsel__check_attr(struct perf_evsel *evsel, |
| 198 | struct perf_session *session) |
| 199 | { |
| 200 | struct perf_event_attr *attr = &evsel->attr; |
| 201 | bool allow_user_set; |
| 202 | |
| 203 | allow_user_set = perf_header__has_feat(&session->header, |
| 204 | HEADER_AUXTRACE); |
| 205 | |
| 206 | if (PRINT_FIELD(TRACE) && |
| 207 | !perf_session__has_traces(session, "record -R")) |
| 208 | return -EINVAL; |
| 209 | |
| 210 | if (PRINT_FIELD(IP)) { |
| 211 | if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", |
| 212 | PERF_OUTPUT_IP)) |
| 213 | return -EINVAL; |
| 214 | } |
| 215 | |
| 216 | if (PRINT_FIELD(ADDR) && |
| 217 | perf_evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", |
| 218 | PERF_OUTPUT_ADDR, allow_user_set)) |
| 219 | return -EINVAL; |
| 220 | |
| 221 | if (PRINT_FIELD(SYM) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) { |
| 222 | pr_err("Display of symbols requested but neither sample IP nor " |
| 223 | "sample address\nis selected. Hence, no addresses to convert " |
| 224 | "to symbols.\n"); |
| 225 | return -EINVAL; |
| 226 | } |
| 227 | if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) { |
| 228 | pr_err("Display of offsets requested but symbol is not" |
| 229 | "selected.\n"); |
| 230 | return -EINVAL; |
| 231 | } |
| 232 | if (PRINT_FIELD(DSO) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) { |
| 233 | pr_err("Display of DSO requested but neither sample IP nor " |
| 234 | "sample address\nis selected. Hence, no addresses to convert " |
| 235 | "to DSO.\n"); |
| 236 | return -EINVAL; |
| 237 | } |
| 238 | if (PRINT_FIELD(SRCLINE) && !PRINT_FIELD(IP)) { |
| 239 | pr_err("Display of source line number requested but sample IP is not\n" |
| 240 | "selected. Hence, no address to lookup the source line number.\n"); |
| 241 | return -EINVAL; |
| 242 | } |
| 243 | |
| 244 | if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) && |
| 245 | perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", |
| 246 | PERF_OUTPUT_TID|PERF_OUTPUT_PID)) |
| 247 | return -EINVAL; |
| 248 | |
| 249 | if (PRINT_FIELD(TIME) && |
| 250 | perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", |
| 251 | PERF_OUTPUT_TIME)) |
| 252 | return -EINVAL; |
| 253 | |
| 254 | if (PRINT_FIELD(CPU) && |
| 255 | perf_evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", |
| 256 | PERF_OUTPUT_CPU, allow_user_set)) |
| 257 | return -EINVAL; |
| 258 | |
| 259 | if (PRINT_FIELD(PERIOD) && |
| 260 | perf_evsel__check_stype(evsel, PERF_SAMPLE_PERIOD, "PERIOD", |
| 261 | PERF_OUTPUT_PERIOD)) |
| 262 | return -EINVAL; |
| 263 | |
| 264 | if (PRINT_FIELD(IREGS) && |
| 265 | perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", |
| 266 | PERF_OUTPUT_IREGS)) |
| 267 | return -EINVAL; |
| 268 | |
| 269 | return 0; |
| 270 | } |
| 271 | |
| 272 | static void set_print_ip_opts(struct perf_event_attr *attr) |
| 273 | { |
| 274 | unsigned int type = attr->type; |
| 275 | |
| 276 | output[type].print_ip_opts = 0; |
| 277 | if (PRINT_FIELD(IP)) |
| 278 | output[type].print_ip_opts |= PRINT_IP_OPT_IP; |
| 279 | |
| 280 | if (PRINT_FIELD(SYM)) |
| 281 | output[type].print_ip_opts |= PRINT_IP_OPT_SYM; |
| 282 | |
| 283 | if (PRINT_FIELD(DSO)) |
| 284 | output[type].print_ip_opts |= PRINT_IP_OPT_DSO; |
| 285 | |
| 286 | if (PRINT_FIELD(SYMOFFSET)) |
| 287 | output[type].print_ip_opts |= PRINT_IP_OPT_SYMOFFSET; |
| 288 | |
| 289 | if (PRINT_FIELD(SRCLINE)) |
| 290 | output[type].print_ip_opts |= PRINT_IP_OPT_SRCLINE; |
| 291 | } |
| 292 | |
| 293 | /* |
| 294 | * verify all user requested events exist and the samples |
| 295 | * have the expected data |
| 296 | */ |
| 297 | static int perf_session__check_output_opt(struct perf_session *session) |
| 298 | { |
| 299 | int j; |
| 300 | struct perf_evsel *evsel; |
| 301 | |
| 302 | for (j = 0; j < PERF_TYPE_MAX; ++j) { |
| 303 | evsel = perf_session__find_first_evtype(session, j); |
| 304 | |
| 305 | /* |
| 306 | * even if fields is set to 0 (ie., show nothing) event must |
| 307 | * exist if user explicitly includes it on the command line |
| 308 | */ |
| 309 | if (!evsel && output[j].user_set && !output[j].wildcard_set) { |
| 310 | pr_err("%s events do not exist. " |
| 311 | "Remove corresponding -f option to proceed.\n", |
| 312 | event_type(j)); |
| 313 | return -1; |
| 314 | } |
| 315 | |
| 316 | if (evsel && output[j].fields && |
| 317 | perf_evsel__check_attr(evsel, session)) |
| 318 | return -1; |
| 319 | |
| 320 | if (evsel == NULL) |
| 321 | continue; |
| 322 | |
| 323 | set_print_ip_opts(&evsel->attr); |
| 324 | } |
| 325 | |
| 326 | if (!no_callchain) { |
| 327 | bool use_callchain = false; |
| 328 | |
| 329 | evlist__for_each(session->evlist, evsel) { |
| 330 | if (evsel->attr.sample_type & PERF_SAMPLE_CALLCHAIN) { |
| 331 | use_callchain = true; |
| 332 | break; |
| 333 | } |
| 334 | } |
| 335 | if (!use_callchain) |
| 336 | symbol_conf.use_callchain = false; |
| 337 | } |
| 338 | |
| 339 | /* |
| 340 | * set default for tracepoints to print symbols only |
| 341 | * if callchains are present |
| 342 | */ |
| 343 | if (symbol_conf.use_callchain && |
| 344 | !output[PERF_TYPE_TRACEPOINT].user_set) { |
| 345 | struct perf_event_attr *attr; |
| 346 | |
| 347 | j = PERF_TYPE_TRACEPOINT; |
| 348 | evsel = perf_session__find_first_evtype(session, j); |
| 349 | if (evsel == NULL) |
| 350 | goto out; |
| 351 | |
| 352 | attr = &evsel->attr; |
| 353 | |
| 354 | if (attr->sample_type & PERF_SAMPLE_CALLCHAIN) { |
| 355 | output[j].fields |= PERF_OUTPUT_IP; |
| 356 | output[j].fields |= PERF_OUTPUT_SYM; |
| 357 | output[j].fields |= PERF_OUTPUT_DSO; |
| 358 | set_print_ip_opts(attr); |
| 359 | } |
| 360 | } |
| 361 | |
| 362 | out: |
| 363 | return 0; |
| 364 | } |
| 365 | |
| 366 | static void print_sample_iregs(union perf_event *event __maybe_unused, |
| 367 | struct perf_sample *sample, |
| 368 | struct thread *thread __maybe_unused, |
| 369 | struct perf_event_attr *attr) |
| 370 | { |
| 371 | struct regs_dump *regs = &sample->intr_regs; |
| 372 | uint64_t mask = attr->sample_regs_intr; |
| 373 | unsigned i = 0, r; |
| 374 | |
| 375 | if (!regs) |
| 376 | return; |
| 377 | |
| 378 | for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) { |
| 379 | u64 val = regs->regs[i++]; |
| 380 | printf("%5s:0x%"PRIx64" ", perf_reg_name(r), val); |
| 381 | } |
| 382 | } |
| 383 | |
| 384 | static void print_sample_start(struct perf_sample *sample, |
| 385 | struct thread *thread, |
| 386 | struct perf_evsel *evsel) |
| 387 | { |
| 388 | struct perf_event_attr *attr = &evsel->attr; |
| 389 | unsigned long secs; |
| 390 | unsigned long usecs; |
| 391 | unsigned long long nsecs; |
| 392 | |
| 393 | if (PRINT_FIELD(COMM)) { |
| 394 | if (latency_format) |
| 395 | printf("%8.8s ", thread__comm_str(thread)); |
| 396 | else if (PRINT_FIELD(IP) && symbol_conf.use_callchain) |
| 397 | printf("%s ", thread__comm_str(thread)); |
| 398 | else |
| 399 | printf("%16s ", thread__comm_str(thread)); |
| 400 | } |
| 401 | |
| 402 | if (PRINT_FIELD(PID) && PRINT_FIELD(TID)) |
| 403 | printf("%5d/%-5d ", sample->pid, sample->tid); |
| 404 | else if (PRINT_FIELD(PID)) |
| 405 | printf("%5d ", sample->pid); |
| 406 | else if (PRINT_FIELD(TID)) |
| 407 | printf("%5d ", sample->tid); |
| 408 | |
| 409 | if (PRINT_FIELD(CPU)) { |
| 410 | if (latency_format) |
| 411 | printf("%3d ", sample->cpu); |
| 412 | else |
| 413 | printf("[%03d] ", sample->cpu); |
| 414 | } |
| 415 | |
| 416 | if (PRINT_FIELD(TIME)) { |
| 417 | nsecs = sample->time; |
| 418 | secs = nsecs / NSECS_PER_SEC; |
| 419 | nsecs -= secs * NSECS_PER_SEC; |
| 420 | usecs = nsecs / NSECS_PER_USEC; |
| 421 | if (nanosecs) |
| 422 | printf("%5lu.%09llu: ", secs, nsecs); |
| 423 | else |
| 424 | printf("%5lu.%06lu: ", secs, usecs); |
| 425 | } |
| 426 | } |
| 427 | |
| 428 | static void print_sample_addr(union perf_event *event, |
| 429 | struct perf_sample *sample, |
| 430 | struct thread *thread, |
| 431 | struct perf_event_attr *attr) |
| 432 | { |
| 433 | struct addr_location al; |
| 434 | |
| 435 | printf("%16" PRIx64, sample->addr); |
| 436 | |
| 437 | if (!sample_addr_correlates_sym(attr)) |
| 438 | return; |
| 439 | |
| 440 | perf_event__preprocess_sample_addr(event, sample, thread, &al); |
| 441 | |
| 442 | if (PRINT_FIELD(SYM)) { |
| 443 | printf(" "); |
| 444 | if (PRINT_FIELD(SYMOFFSET)) |
| 445 | symbol__fprintf_symname_offs(al.sym, &al, stdout); |
| 446 | else |
| 447 | symbol__fprintf_symname(al.sym, stdout); |
| 448 | } |
| 449 | |
| 450 | if (PRINT_FIELD(DSO)) { |
| 451 | printf(" ("); |
| 452 | map__fprintf_dsoname(al.map, stdout); |
| 453 | printf(")"); |
| 454 | } |
| 455 | } |
| 456 | |
| 457 | static void print_sample_bts(union perf_event *event, |
| 458 | struct perf_sample *sample, |
| 459 | struct perf_evsel *evsel, |
| 460 | struct thread *thread, |
| 461 | struct addr_location *al) |
| 462 | { |
| 463 | struct perf_event_attr *attr = &evsel->attr; |
| 464 | bool print_srcline_last = false; |
| 465 | |
| 466 | /* print branch_from information */ |
| 467 | if (PRINT_FIELD(IP)) { |
| 468 | unsigned int print_opts = output[attr->type].print_ip_opts; |
| 469 | |
| 470 | if (symbol_conf.use_callchain && sample->callchain) { |
| 471 | printf("\n"); |
| 472 | } else { |
| 473 | printf(" "); |
| 474 | if (print_opts & PRINT_IP_OPT_SRCLINE) { |
| 475 | print_srcline_last = true; |
| 476 | print_opts &= ~PRINT_IP_OPT_SRCLINE; |
| 477 | } |
| 478 | } |
| 479 | perf_evsel__print_ip(evsel, sample, al, print_opts, |
| 480 | scripting_max_stack); |
| 481 | } |
| 482 | |
| 483 | /* print branch_to information */ |
| 484 | if (PRINT_FIELD(ADDR) || |
| 485 | ((evsel->attr.sample_type & PERF_SAMPLE_ADDR) && |
| 486 | !output[attr->type].user_set)) { |
| 487 | printf(" => "); |
| 488 | print_sample_addr(event, sample, thread, attr); |
| 489 | } |
| 490 | |
| 491 | if (print_srcline_last) |
| 492 | map__fprintf_srcline(al->map, al->addr, "\n ", stdout); |
| 493 | |
| 494 | printf("\n"); |
| 495 | } |
| 496 | |
| 497 | static void print_sample_flags(u32 flags) |
| 498 | { |
| 499 | const char *chars = PERF_IP_FLAG_CHARS; |
| 500 | const int n = strlen(PERF_IP_FLAG_CHARS); |
| 501 | char str[33]; |
| 502 | int i, pos = 0; |
| 503 | |
| 504 | for (i = 0; i < n; i++, flags >>= 1) { |
| 505 | if (flags & 1) |
| 506 | str[pos++] = chars[i]; |
| 507 | } |
| 508 | for (; i < 32; i++, flags >>= 1) { |
| 509 | if (flags & 1) |
| 510 | str[pos++] = '?'; |
| 511 | } |
| 512 | str[pos] = 0; |
| 513 | printf(" %-4s ", str); |
| 514 | } |
| 515 | |
| 516 | static void process_event(union perf_event *event, struct perf_sample *sample, |
| 517 | struct perf_evsel *evsel, struct addr_location *al) |
| 518 | { |
| 519 | struct thread *thread = al->thread; |
| 520 | struct perf_event_attr *attr = &evsel->attr; |
| 521 | |
| 522 | if (output[attr->type].fields == 0) |
| 523 | return; |
| 524 | |
| 525 | print_sample_start(sample, thread, evsel); |
| 526 | |
| 527 | if (PRINT_FIELD(PERIOD)) |
| 528 | printf("%10" PRIu64 " ", sample->period); |
| 529 | |
| 530 | if (PRINT_FIELD(EVNAME)) { |
| 531 | const char *evname = perf_evsel__name(evsel); |
| 532 | printf("%s: ", evname ? evname : "[unknown]"); |
| 533 | } |
| 534 | |
| 535 | if (print_flags) |
| 536 | print_sample_flags(sample->flags); |
| 537 | |
| 538 | if (is_bts_event(attr)) { |
| 539 | print_sample_bts(event, sample, evsel, thread, al); |
| 540 | return; |
| 541 | } |
| 542 | |
| 543 | if (PRINT_FIELD(TRACE)) |
| 544 | event_format__print(evsel->tp_format, sample->cpu, |
| 545 | sample->raw_data, sample->raw_size); |
| 546 | if (PRINT_FIELD(ADDR)) |
| 547 | print_sample_addr(event, sample, thread, attr); |
| 548 | |
| 549 | if (PRINT_FIELD(IP)) { |
| 550 | if (!symbol_conf.use_callchain) |
| 551 | printf(" "); |
| 552 | else |
| 553 | printf("\n"); |
| 554 | |
| 555 | perf_evsel__print_ip(evsel, sample, al, |
| 556 | output[attr->type].print_ip_opts, |
| 557 | scripting_max_stack); |
| 558 | } |
| 559 | |
| 560 | if (PRINT_FIELD(IREGS)) |
| 561 | print_sample_iregs(event, sample, thread, attr); |
| 562 | |
| 563 | printf("\n"); |
| 564 | } |
| 565 | |
| 566 | static int default_start_script(const char *script __maybe_unused, |
| 567 | int argc __maybe_unused, |
| 568 | const char **argv __maybe_unused) |
| 569 | { |
| 570 | return 0; |
| 571 | } |
| 572 | |
| 573 | static int default_flush_script(void) |
| 574 | { |
| 575 | return 0; |
| 576 | } |
| 577 | |
| 578 | static int default_stop_script(void) |
| 579 | { |
| 580 | return 0; |
| 581 | } |
| 582 | |
| 583 | static int default_generate_script(struct pevent *pevent __maybe_unused, |
| 584 | const char *outfile __maybe_unused) |
| 585 | { |
| 586 | return 0; |
| 587 | } |
| 588 | |
| 589 | static struct scripting_ops default_scripting_ops = { |
| 590 | .start_script = default_start_script, |
| 591 | .flush_script = default_flush_script, |
| 592 | .stop_script = default_stop_script, |
| 593 | .process_event = process_event, |
| 594 | .generate_script = default_generate_script, |
| 595 | }; |
| 596 | |
| 597 | static struct scripting_ops *scripting_ops; |
| 598 | |
| 599 | static void setup_scripting(void) |
| 600 | { |
| 601 | setup_perl_scripting(); |
| 602 | setup_python_scripting(); |
| 603 | |
| 604 | scripting_ops = &default_scripting_ops; |
| 605 | } |
| 606 | |
| 607 | static int flush_scripting(void) |
| 608 | { |
| 609 | return scripting_ops->flush_script(); |
| 610 | } |
| 611 | |
| 612 | static int cleanup_scripting(void) |
| 613 | { |
| 614 | pr_debug("\nperf script stopped\n"); |
| 615 | |
| 616 | return scripting_ops->stop_script(); |
| 617 | } |
| 618 | |
| 619 | static int process_sample_event(struct perf_tool *tool __maybe_unused, |
| 620 | union perf_event *event, |
| 621 | struct perf_sample *sample, |
| 622 | struct perf_evsel *evsel, |
| 623 | struct machine *machine) |
| 624 | { |
| 625 | struct addr_location al; |
| 626 | |
| 627 | if (debug_mode) { |
| 628 | if (sample->time < last_timestamp) { |
| 629 | pr_err("Samples misordered, previous: %" PRIu64 |
| 630 | " this: %" PRIu64 "\n", last_timestamp, |
| 631 | sample->time); |
| 632 | nr_unordered++; |
| 633 | } |
| 634 | last_timestamp = sample->time; |
| 635 | return 0; |
| 636 | } |
| 637 | |
| 638 | if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) { |
| 639 | pr_err("problem processing %d event, skipping it.\n", |
| 640 | event->header.type); |
| 641 | return -1; |
| 642 | } |
| 643 | |
| 644 | if (al.filtered) |
| 645 | goto out_put; |
| 646 | |
| 647 | if (cpu_list && !test_bit(sample->cpu, cpu_bitmap)) |
| 648 | goto out_put; |
| 649 | |
| 650 | scripting_ops->process_event(event, sample, evsel, &al); |
| 651 | out_put: |
| 652 | addr_location__put(&al); |
| 653 | return 0; |
| 654 | } |
| 655 | |
| 656 | struct perf_script { |
| 657 | struct perf_tool tool; |
| 658 | struct perf_session *session; |
| 659 | bool show_task_events; |
| 660 | bool show_mmap_events; |
| 661 | bool show_switch_events; |
| 662 | }; |
| 663 | |
| 664 | static int process_attr(struct perf_tool *tool, union perf_event *event, |
| 665 | struct perf_evlist **pevlist) |
| 666 | { |
| 667 | struct perf_script *scr = container_of(tool, struct perf_script, tool); |
| 668 | struct perf_evlist *evlist; |
| 669 | struct perf_evsel *evsel, *pos; |
| 670 | int err; |
| 671 | |
| 672 | err = perf_event__process_attr(tool, event, pevlist); |
| 673 | if (err) |
| 674 | return err; |
| 675 | |
| 676 | evlist = *pevlist; |
| 677 | evsel = perf_evlist__last(*pevlist); |
| 678 | |
| 679 | if (evsel->attr.type >= PERF_TYPE_MAX) |
| 680 | return 0; |
| 681 | |
| 682 | evlist__for_each(evlist, pos) { |
| 683 | if (pos->attr.type == evsel->attr.type && pos != evsel) |
| 684 | return 0; |
| 685 | } |
| 686 | |
| 687 | set_print_ip_opts(&evsel->attr); |
| 688 | |
| 689 | return perf_evsel__check_attr(evsel, scr->session); |
| 690 | } |
| 691 | |
| 692 | static int process_comm_event(struct perf_tool *tool, |
| 693 | union perf_event *event, |
| 694 | struct perf_sample *sample, |
| 695 | struct machine *machine) |
| 696 | { |
| 697 | struct thread *thread; |
| 698 | struct perf_script *script = container_of(tool, struct perf_script, tool); |
| 699 | struct perf_session *session = script->session; |
| 700 | struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); |
| 701 | int ret = -1; |
| 702 | |
| 703 | thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid); |
| 704 | if (thread == NULL) { |
| 705 | pr_debug("problem processing COMM event, skipping it.\n"); |
| 706 | return -1; |
| 707 | } |
| 708 | |
| 709 | if (perf_event__process_comm(tool, event, sample, machine) < 0) |
| 710 | goto out; |
| 711 | |
| 712 | if (!evsel->attr.sample_id_all) { |
| 713 | sample->cpu = 0; |
| 714 | sample->time = 0; |
| 715 | sample->tid = event->comm.tid; |
| 716 | sample->pid = event->comm.pid; |
| 717 | } |
| 718 | print_sample_start(sample, thread, evsel); |
| 719 | perf_event__fprintf(event, stdout); |
| 720 | ret = 0; |
| 721 | out: |
| 722 | thread__put(thread); |
| 723 | return ret; |
| 724 | } |
| 725 | |
| 726 | static int process_fork_event(struct perf_tool *tool, |
| 727 | union perf_event *event, |
| 728 | struct perf_sample *sample, |
| 729 | struct machine *machine) |
| 730 | { |
| 731 | struct thread *thread; |
| 732 | struct perf_script *script = container_of(tool, struct perf_script, tool); |
| 733 | struct perf_session *session = script->session; |
| 734 | struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); |
| 735 | |
| 736 | if (perf_event__process_fork(tool, event, sample, machine) < 0) |
| 737 | return -1; |
| 738 | |
| 739 | thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid); |
| 740 | if (thread == NULL) { |
| 741 | pr_debug("problem processing FORK event, skipping it.\n"); |
| 742 | return -1; |
| 743 | } |
| 744 | |
| 745 | if (!evsel->attr.sample_id_all) { |
| 746 | sample->cpu = 0; |
| 747 | sample->time = event->fork.time; |
| 748 | sample->tid = event->fork.tid; |
| 749 | sample->pid = event->fork.pid; |
| 750 | } |
| 751 | print_sample_start(sample, thread, evsel); |
| 752 | perf_event__fprintf(event, stdout); |
| 753 | thread__put(thread); |
| 754 | |
| 755 | return 0; |
| 756 | } |
| 757 | static int process_exit_event(struct perf_tool *tool, |
| 758 | union perf_event *event, |
| 759 | struct perf_sample *sample, |
| 760 | struct machine *machine) |
| 761 | { |
| 762 | int err = 0; |
| 763 | struct thread *thread; |
| 764 | struct perf_script *script = container_of(tool, struct perf_script, tool); |
| 765 | struct perf_session *session = script->session; |
| 766 | struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); |
| 767 | |
| 768 | thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid); |
| 769 | if (thread == NULL) { |
| 770 | pr_debug("problem processing EXIT event, skipping it.\n"); |
| 771 | return -1; |
| 772 | } |
| 773 | |
| 774 | if (!evsel->attr.sample_id_all) { |
| 775 | sample->cpu = 0; |
| 776 | sample->time = 0; |
| 777 | sample->tid = event->fork.tid; |
| 778 | sample->pid = event->fork.pid; |
| 779 | } |
| 780 | print_sample_start(sample, thread, evsel); |
| 781 | perf_event__fprintf(event, stdout); |
| 782 | |
| 783 | if (perf_event__process_exit(tool, event, sample, machine) < 0) |
| 784 | err = -1; |
| 785 | |
| 786 | thread__put(thread); |
| 787 | return err; |
| 788 | } |
| 789 | |
| 790 | static int process_mmap_event(struct perf_tool *tool, |
| 791 | union perf_event *event, |
| 792 | struct perf_sample *sample, |
| 793 | struct machine *machine) |
| 794 | { |
| 795 | struct thread *thread; |
| 796 | struct perf_script *script = container_of(tool, struct perf_script, tool); |
| 797 | struct perf_session *session = script->session; |
| 798 | struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); |
| 799 | |
| 800 | if (perf_event__process_mmap(tool, event, sample, machine) < 0) |
| 801 | return -1; |
| 802 | |
| 803 | thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid); |
| 804 | if (thread == NULL) { |
| 805 | pr_debug("problem processing MMAP event, skipping it.\n"); |
| 806 | return -1; |
| 807 | } |
| 808 | |
| 809 | if (!evsel->attr.sample_id_all) { |
| 810 | sample->cpu = 0; |
| 811 | sample->time = 0; |
| 812 | sample->tid = event->mmap.tid; |
| 813 | sample->pid = event->mmap.pid; |
| 814 | } |
| 815 | print_sample_start(sample, thread, evsel); |
| 816 | perf_event__fprintf(event, stdout); |
| 817 | thread__put(thread); |
| 818 | return 0; |
| 819 | } |
| 820 | |
| 821 | static int process_mmap2_event(struct perf_tool *tool, |
| 822 | union perf_event *event, |
| 823 | struct perf_sample *sample, |
| 824 | struct machine *machine) |
| 825 | { |
| 826 | struct thread *thread; |
| 827 | struct perf_script *script = container_of(tool, struct perf_script, tool); |
| 828 | struct perf_session *session = script->session; |
| 829 | struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); |
| 830 | |
| 831 | if (perf_event__process_mmap2(tool, event, sample, machine) < 0) |
| 832 | return -1; |
| 833 | |
| 834 | thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid); |
| 835 | if (thread == NULL) { |
| 836 | pr_debug("problem processing MMAP2 event, skipping it.\n"); |
| 837 | return -1; |
| 838 | } |
| 839 | |
| 840 | if (!evsel->attr.sample_id_all) { |
| 841 | sample->cpu = 0; |
| 842 | sample->time = 0; |
| 843 | sample->tid = event->mmap2.tid; |
| 844 | sample->pid = event->mmap2.pid; |
| 845 | } |
| 846 | print_sample_start(sample, thread, evsel); |
| 847 | perf_event__fprintf(event, stdout); |
| 848 | thread__put(thread); |
| 849 | return 0; |
| 850 | } |
| 851 | |
| 852 | static int process_switch_event(struct perf_tool *tool, |
| 853 | union perf_event *event, |
| 854 | struct perf_sample *sample, |
| 855 | struct machine *machine) |
| 856 | { |
| 857 | struct thread *thread; |
| 858 | struct perf_script *script = container_of(tool, struct perf_script, tool); |
| 859 | struct perf_session *session = script->session; |
| 860 | struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); |
| 861 | |
| 862 | if (perf_event__process_switch(tool, event, sample, machine) < 0) |
| 863 | return -1; |
| 864 | |
| 865 | thread = machine__findnew_thread(machine, sample->pid, |
| 866 | sample->tid); |
| 867 | if (thread == NULL) { |
| 868 | pr_debug("problem processing SWITCH event, skipping it.\n"); |
| 869 | return -1; |
| 870 | } |
| 871 | |
| 872 | print_sample_start(sample, thread, evsel); |
| 873 | perf_event__fprintf(event, stdout); |
| 874 | thread__put(thread); |
| 875 | return 0; |
| 876 | } |
| 877 | |
| 878 | static void sig_handler(int sig __maybe_unused) |
| 879 | { |
| 880 | session_done = 1; |
| 881 | } |
| 882 | |
| 883 | static int __cmd_script(struct perf_script *script) |
| 884 | { |
| 885 | int ret; |
| 886 | |
| 887 | signal(SIGINT, sig_handler); |
| 888 | |
| 889 | /* override event processing functions */ |
| 890 | if (script->show_task_events) { |
| 891 | script->tool.comm = process_comm_event; |
| 892 | script->tool.fork = process_fork_event; |
| 893 | script->tool.exit = process_exit_event; |
| 894 | } |
| 895 | if (script->show_mmap_events) { |
| 896 | script->tool.mmap = process_mmap_event; |
| 897 | script->tool.mmap2 = process_mmap2_event; |
| 898 | } |
| 899 | if (script->show_switch_events) |
| 900 | script->tool.context_switch = process_switch_event; |
| 901 | |
| 902 | ret = perf_session__process_events(script->session); |
| 903 | |
| 904 | if (debug_mode) |
| 905 | pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); |
| 906 | |
| 907 | return ret; |
| 908 | } |
| 909 | |
| 910 | struct script_spec { |
| 911 | struct list_head node; |
| 912 | struct scripting_ops *ops; |
| 913 | char spec[0]; |
| 914 | }; |
| 915 | |
| 916 | static LIST_HEAD(script_specs); |
| 917 | |
| 918 | static struct script_spec *script_spec__new(const char *spec, |
| 919 | struct scripting_ops *ops) |
| 920 | { |
| 921 | struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); |
| 922 | |
| 923 | if (s != NULL) { |
| 924 | strcpy(s->spec, spec); |
| 925 | s->ops = ops; |
| 926 | } |
| 927 | |
| 928 | return s; |
| 929 | } |
| 930 | |
| 931 | static void script_spec__add(struct script_spec *s) |
| 932 | { |
| 933 | list_add_tail(&s->node, &script_specs); |
| 934 | } |
| 935 | |
| 936 | static struct script_spec *script_spec__find(const char *spec) |
| 937 | { |
| 938 | struct script_spec *s; |
| 939 | |
| 940 | list_for_each_entry(s, &script_specs, node) |
| 941 | if (strcasecmp(s->spec, spec) == 0) |
| 942 | return s; |
| 943 | return NULL; |
| 944 | } |
| 945 | |
| 946 | static struct script_spec *script_spec__findnew(const char *spec, |
| 947 | struct scripting_ops *ops) |
| 948 | { |
| 949 | struct script_spec *s = script_spec__find(spec); |
| 950 | |
| 951 | if (s) |
| 952 | return s; |
| 953 | |
| 954 | s = script_spec__new(spec, ops); |
| 955 | if (!s) |
| 956 | return NULL; |
| 957 | |
| 958 | script_spec__add(s); |
| 959 | |
| 960 | return s; |
| 961 | } |
| 962 | |
| 963 | int script_spec_register(const char *spec, struct scripting_ops *ops) |
| 964 | { |
| 965 | struct script_spec *s; |
| 966 | |
| 967 | s = script_spec__find(spec); |
| 968 | if (s) |
| 969 | return -1; |
| 970 | |
| 971 | s = script_spec__findnew(spec, ops); |
| 972 | if (!s) |
| 973 | return -1; |
| 974 | |
| 975 | return 0; |
| 976 | } |
| 977 | |
| 978 | static struct scripting_ops *script_spec__lookup(const char *spec) |
| 979 | { |
| 980 | struct script_spec *s = script_spec__find(spec); |
| 981 | if (!s) |
| 982 | return NULL; |
| 983 | |
| 984 | return s->ops; |
| 985 | } |
| 986 | |
| 987 | static void list_available_languages(void) |
| 988 | { |
| 989 | struct script_spec *s; |
| 990 | |
| 991 | fprintf(stderr, "\n"); |
| 992 | fprintf(stderr, "Scripting language extensions (used in " |
| 993 | "perf script -s [spec:]script.[spec]):\n\n"); |
| 994 | |
| 995 | list_for_each_entry(s, &script_specs, node) |
| 996 | fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); |
| 997 | |
| 998 | fprintf(stderr, "\n"); |
| 999 | } |
| 1000 | |
| 1001 | static int parse_scriptname(const struct option *opt __maybe_unused, |
| 1002 | const char *str, int unset __maybe_unused) |
| 1003 | { |
| 1004 | char spec[PATH_MAX]; |
| 1005 | const char *script, *ext; |
| 1006 | int len; |
| 1007 | |
| 1008 | if (strcmp(str, "lang") == 0) { |
| 1009 | list_available_languages(); |
| 1010 | exit(0); |
| 1011 | } |
| 1012 | |
| 1013 | script = strchr(str, ':'); |
| 1014 | if (script) { |
| 1015 | len = script - str; |
| 1016 | if (len >= PATH_MAX) { |
| 1017 | fprintf(stderr, "invalid language specifier"); |
| 1018 | return -1; |
| 1019 | } |
| 1020 | strncpy(spec, str, len); |
| 1021 | spec[len] = '\0'; |
| 1022 | scripting_ops = script_spec__lookup(spec); |
| 1023 | if (!scripting_ops) { |
| 1024 | fprintf(stderr, "invalid language specifier"); |
| 1025 | return -1; |
| 1026 | } |
| 1027 | script++; |
| 1028 | } else { |
| 1029 | script = str; |
| 1030 | ext = strrchr(script, '.'); |
| 1031 | if (!ext) { |
| 1032 | fprintf(stderr, "invalid script extension"); |
| 1033 | return -1; |
| 1034 | } |
| 1035 | scripting_ops = script_spec__lookup(++ext); |
| 1036 | if (!scripting_ops) { |
| 1037 | fprintf(stderr, "invalid script extension"); |
| 1038 | return -1; |
| 1039 | } |
| 1040 | } |
| 1041 | |
| 1042 | script_name = strdup(script); |
| 1043 | |
| 1044 | return 0; |
| 1045 | } |
| 1046 | |
| 1047 | static int parse_output_fields(const struct option *opt __maybe_unused, |
| 1048 | const char *arg, int unset __maybe_unused) |
| 1049 | { |
| 1050 | char *tok; |
| 1051 | int i, imax = ARRAY_SIZE(all_output_options); |
| 1052 | int j; |
| 1053 | int rc = 0; |
| 1054 | char *str = strdup(arg); |
| 1055 | int type = -1; |
| 1056 | |
| 1057 | if (!str) |
| 1058 | return -ENOMEM; |
| 1059 | |
| 1060 | /* first word can state for which event type the user is specifying |
| 1061 | * the fields. If no type exists, the specified fields apply to all |
| 1062 | * event types found in the file minus the invalid fields for a type. |
| 1063 | */ |
| 1064 | tok = strchr(str, ':'); |
| 1065 | if (tok) { |
| 1066 | *tok = '\0'; |
| 1067 | tok++; |
| 1068 | if (!strcmp(str, "hw")) |
| 1069 | type = PERF_TYPE_HARDWARE; |
| 1070 | else if (!strcmp(str, "sw")) |
| 1071 | type = PERF_TYPE_SOFTWARE; |
| 1072 | else if (!strcmp(str, "trace")) |
| 1073 | type = PERF_TYPE_TRACEPOINT; |
| 1074 | else if (!strcmp(str, "raw")) |
| 1075 | type = PERF_TYPE_RAW; |
| 1076 | else { |
| 1077 | fprintf(stderr, "Invalid event type in field string.\n"); |
| 1078 | rc = -EINVAL; |
| 1079 | goto out; |
| 1080 | } |
| 1081 | |
| 1082 | if (output[type].user_set) |
| 1083 | pr_warning("Overriding previous field request for %s events.\n", |
| 1084 | event_type(type)); |
| 1085 | |
| 1086 | output[type].fields = 0; |
| 1087 | output[type].user_set = true; |
| 1088 | output[type].wildcard_set = false; |
| 1089 | |
| 1090 | } else { |
| 1091 | tok = str; |
| 1092 | if (strlen(str) == 0) { |
| 1093 | fprintf(stderr, |
| 1094 | "Cannot set fields to 'none' for all event types.\n"); |
| 1095 | rc = -EINVAL; |
| 1096 | goto out; |
| 1097 | } |
| 1098 | |
| 1099 | if (output_set_by_user()) |
| 1100 | pr_warning("Overriding previous field request for all events.\n"); |
| 1101 | |
| 1102 | for (j = 0; j < PERF_TYPE_MAX; ++j) { |
| 1103 | output[j].fields = 0; |
| 1104 | output[j].user_set = true; |
| 1105 | output[j].wildcard_set = true; |
| 1106 | } |
| 1107 | } |
| 1108 | |
| 1109 | for (tok = strtok(tok, ","); tok; tok = strtok(NULL, ",")) { |
| 1110 | for (i = 0; i < imax; ++i) { |
| 1111 | if (strcmp(tok, all_output_options[i].str) == 0) |
| 1112 | break; |
| 1113 | } |
| 1114 | if (i == imax && strcmp(tok, "flags") == 0) { |
| 1115 | print_flags = true; |
| 1116 | continue; |
| 1117 | } |
| 1118 | if (i == imax) { |
| 1119 | fprintf(stderr, "Invalid field requested.\n"); |
| 1120 | rc = -EINVAL; |
| 1121 | goto out; |
| 1122 | } |
| 1123 | |
| 1124 | if (type == -1) { |
| 1125 | /* add user option to all events types for |
| 1126 | * which it is valid |
| 1127 | */ |
| 1128 | for (j = 0; j < PERF_TYPE_MAX; ++j) { |
| 1129 | if (output[j].invalid_fields & all_output_options[i].field) { |
| 1130 | pr_warning("\'%s\' not valid for %s events. Ignoring.\n", |
| 1131 | all_output_options[i].str, event_type(j)); |
| 1132 | } else |
| 1133 | output[j].fields |= all_output_options[i].field; |
| 1134 | } |
| 1135 | } else { |
| 1136 | if (output[type].invalid_fields & all_output_options[i].field) { |
| 1137 | fprintf(stderr, "\'%s\' not valid for %s events.\n", |
| 1138 | all_output_options[i].str, event_type(type)); |
| 1139 | |
| 1140 | rc = -EINVAL; |
| 1141 | goto out; |
| 1142 | } |
| 1143 | output[type].fields |= all_output_options[i].field; |
| 1144 | } |
| 1145 | } |
| 1146 | |
| 1147 | if (type >= 0) { |
| 1148 | if (output[type].fields == 0) { |
| 1149 | pr_debug("No fields requested for %s type. " |
| 1150 | "Events will not be displayed.\n", event_type(type)); |
| 1151 | } |
| 1152 | } |
| 1153 | |
| 1154 | out: |
| 1155 | free(str); |
| 1156 | return rc; |
| 1157 | } |
| 1158 | |
| 1159 | /* Helper function for filesystems that return a dent->d_type DT_UNKNOWN */ |
| 1160 | static int is_directory(const char *base_path, const struct dirent *dent) |
| 1161 | { |
| 1162 | char path[PATH_MAX]; |
| 1163 | struct stat st; |
| 1164 | |
| 1165 | sprintf(path, "%s/%s", base_path, dent->d_name); |
| 1166 | if (stat(path, &st)) |
| 1167 | return 0; |
| 1168 | |
| 1169 | return S_ISDIR(st.st_mode); |
| 1170 | } |
| 1171 | |
| 1172 | #define for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next)\ |
| 1173 | while (!readdir_r(scripts_dir, &lang_dirent, &lang_next) && \ |
| 1174 | lang_next) \ |
| 1175 | if ((lang_dirent.d_type == DT_DIR || \ |
| 1176 | (lang_dirent.d_type == DT_UNKNOWN && \ |
| 1177 | is_directory(scripts_path, &lang_dirent))) && \ |
| 1178 | (strcmp(lang_dirent.d_name, ".")) && \ |
| 1179 | (strcmp(lang_dirent.d_name, ".."))) |
| 1180 | |
| 1181 | #define for_each_script(lang_path, lang_dir, script_dirent, script_next)\ |
| 1182 | while (!readdir_r(lang_dir, &script_dirent, &script_next) && \ |
| 1183 | script_next) \ |
| 1184 | if (script_dirent.d_type != DT_DIR && \ |
| 1185 | (script_dirent.d_type != DT_UNKNOWN || \ |
| 1186 | !is_directory(lang_path, &script_dirent))) |
| 1187 | |
| 1188 | |
| 1189 | #define RECORD_SUFFIX "-record" |
| 1190 | #define REPORT_SUFFIX "-report" |
| 1191 | |
| 1192 | struct script_desc { |
| 1193 | struct list_head node; |
| 1194 | char *name; |
| 1195 | char *half_liner; |
| 1196 | char *args; |
| 1197 | }; |
| 1198 | |
| 1199 | static LIST_HEAD(script_descs); |
| 1200 | |
| 1201 | static struct script_desc *script_desc__new(const char *name) |
| 1202 | { |
| 1203 | struct script_desc *s = zalloc(sizeof(*s)); |
| 1204 | |
| 1205 | if (s != NULL && name) |
| 1206 | s->name = strdup(name); |
| 1207 | |
| 1208 | return s; |
| 1209 | } |
| 1210 | |
| 1211 | static void script_desc__delete(struct script_desc *s) |
| 1212 | { |
| 1213 | zfree(&s->name); |
| 1214 | zfree(&s->half_liner); |
| 1215 | zfree(&s->args); |
| 1216 | free(s); |
| 1217 | } |
| 1218 | |
| 1219 | static void script_desc__add(struct script_desc *s) |
| 1220 | { |
| 1221 | list_add_tail(&s->node, &script_descs); |
| 1222 | } |
| 1223 | |
| 1224 | static struct script_desc *script_desc__find(const char *name) |
| 1225 | { |
| 1226 | struct script_desc *s; |
| 1227 | |
| 1228 | list_for_each_entry(s, &script_descs, node) |
| 1229 | if (strcasecmp(s->name, name) == 0) |
| 1230 | return s; |
| 1231 | return NULL; |
| 1232 | } |
| 1233 | |
| 1234 | static struct script_desc *script_desc__findnew(const char *name) |
| 1235 | { |
| 1236 | struct script_desc *s = script_desc__find(name); |
| 1237 | |
| 1238 | if (s) |
| 1239 | return s; |
| 1240 | |
| 1241 | s = script_desc__new(name); |
| 1242 | if (!s) |
| 1243 | goto out_delete_desc; |
| 1244 | |
| 1245 | script_desc__add(s); |
| 1246 | |
| 1247 | return s; |
| 1248 | |
| 1249 | out_delete_desc: |
| 1250 | script_desc__delete(s); |
| 1251 | |
| 1252 | return NULL; |
| 1253 | } |
| 1254 | |
| 1255 | static const char *ends_with(const char *str, const char *suffix) |
| 1256 | { |
| 1257 | size_t suffix_len = strlen(suffix); |
| 1258 | const char *p = str; |
| 1259 | |
| 1260 | if (strlen(str) > suffix_len) { |
| 1261 | p = str + strlen(str) - suffix_len; |
| 1262 | if (!strncmp(p, suffix, suffix_len)) |
| 1263 | return p; |
| 1264 | } |
| 1265 | |
| 1266 | return NULL; |
| 1267 | } |
| 1268 | |
| 1269 | static int read_script_info(struct script_desc *desc, const char *filename) |
| 1270 | { |
| 1271 | char line[BUFSIZ], *p; |
| 1272 | FILE *fp; |
| 1273 | |
| 1274 | fp = fopen(filename, "r"); |
| 1275 | if (!fp) |
| 1276 | return -1; |
| 1277 | |
| 1278 | while (fgets(line, sizeof(line), fp)) { |
| 1279 | p = ltrim(line); |
| 1280 | if (strlen(p) == 0) |
| 1281 | continue; |
| 1282 | if (*p != '#') |
| 1283 | continue; |
| 1284 | p++; |
| 1285 | if (strlen(p) && *p == '!') |
| 1286 | continue; |
| 1287 | |
| 1288 | p = ltrim(p); |
| 1289 | if (strlen(p) && p[strlen(p) - 1] == '\n') |
| 1290 | p[strlen(p) - 1] = '\0'; |
| 1291 | |
| 1292 | if (!strncmp(p, "description:", strlen("description:"))) { |
| 1293 | p += strlen("description:"); |
| 1294 | desc->half_liner = strdup(ltrim(p)); |
| 1295 | continue; |
| 1296 | } |
| 1297 | |
| 1298 | if (!strncmp(p, "args:", strlen("args:"))) { |
| 1299 | p += strlen("args:"); |
| 1300 | desc->args = strdup(ltrim(p)); |
| 1301 | continue; |
| 1302 | } |
| 1303 | } |
| 1304 | |
| 1305 | fclose(fp); |
| 1306 | |
| 1307 | return 0; |
| 1308 | } |
| 1309 | |
| 1310 | static char *get_script_root(struct dirent *script_dirent, const char *suffix) |
| 1311 | { |
| 1312 | char *script_root, *str; |
| 1313 | |
| 1314 | script_root = strdup(script_dirent->d_name); |
| 1315 | if (!script_root) |
| 1316 | return NULL; |
| 1317 | |
| 1318 | str = (char *)ends_with(script_root, suffix); |
| 1319 | if (!str) { |
| 1320 | free(script_root); |
| 1321 | return NULL; |
| 1322 | } |
| 1323 | |
| 1324 | *str = '\0'; |
| 1325 | return script_root; |
| 1326 | } |
| 1327 | |
| 1328 | static int list_available_scripts(const struct option *opt __maybe_unused, |
| 1329 | const char *s __maybe_unused, |
| 1330 | int unset __maybe_unused) |
| 1331 | { |
| 1332 | struct dirent *script_next, *lang_next, script_dirent, lang_dirent; |
| 1333 | char scripts_path[MAXPATHLEN]; |
| 1334 | DIR *scripts_dir, *lang_dir; |
| 1335 | char script_path[MAXPATHLEN]; |
| 1336 | char lang_path[MAXPATHLEN]; |
| 1337 | struct script_desc *desc; |
| 1338 | char first_half[BUFSIZ]; |
| 1339 | char *script_root; |
| 1340 | |
| 1341 | snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path()); |
| 1342 | |
| 1343 | scripts_dir = opendir(scripts_path); |
| 1344 | if (!scripts_dir) |
| 1345 | return -1; |
| 1346 | |
| 1347 | for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) { |
| 1348 | snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, |
| 1349 | lang_dirent.d_name); |
| 1350 | lang_dir = opendir(lang_path); |
| 1351 | if (!lang_dir) |
| 1352 | continue; |
| 1353 | |
| 1354 | for_each_script(lang_path, lang_dir, script_dirent, script_next) { |
| 1355 | script_root = get_script_root(&script_dirent, REPORT_SUFFIX); |
| 1356 | if (script_root) { |
| 1357 | desc = script_desc__findnew(script_root); |
| 1358 | snprintf(script_path, MAXPATHLEN, "%s/%s", |
| 1359 | lang_path, script_dirent.d_name); |
| 1360 | read_script_info(desc, script_path); |
| 1361 | free(script_root); |
| 1362 | } |
| 1363 | } |
| 1364 | } |
| 1365 | |
| 1366 | fprintf(stdout, "List of available trace scripts:\n"); |
| 1367 | list_for_each_entry(desc, &script_descs, node) { |
| 1368 | sprintf(first_half, "%s %s", desc->name, |
| 1369 | desc->args ? desc->args : ""); |
| 1370 | fprintf(stdout, " %-36s %s\n", first_half, |
| 1371 | desc->half_liner ? desc->half_liner : ""); |
| 1372 | } |
| 1373 | |
| 1374 | exit(0); |
| 1375 | } |
| 1376 | |
| 1377 | /* |
| 1378 | * Some scripts specify the required events in their "xxx-record" file, |
| 1379 | * this function will check if the events in perf.data match those |
| 1380 | * mentioned in the "xxx-record". |
| 1381 | * |
| 1382 | * Fixme: All existing "xxx-record" are all in good formats "-e event ", |
| 1383 | * which is covered well now. And new parsing code should be added to |
| 1384 | * cover the future complexing formats like event groups etc. |
| 1385 | */ |
| 1386 | static int check_ev_match(char *dir_name, char *scriptname, |
| 1387 | struct perf_session *session) |
| 1388 | { |
| 1389 | char filename[MAXPATHLEN], evname[128]; |
| 1390 | char line[BUFSIZ], *p; |
| 1391 | struct perf_evsel *pos; |
| 1392 | int match, len; |
| 1393 | FILE *fp; |
| 1394 | |
| 1395 | sprintf(filename, "%s/bin/%s-record", dir_name, scriptname); |
| 1396 | |
| 1397 | fp = fopen(filename, "r"); |
| 1398 | if (!fp) |
| 1399 | return -1; |
| 1400 | |
| 1401 | while (fgets(line, sizeof(line), fp)) { |
| 1402 | p = ltrim(line); |
| 1403 | if (*p == '#') |
| 1404 | continue; |
| 1405 | |
| 1406 | while (strlen(p)) { |
| 1407 | p = strstr(p, "-e"); |
| 1408 | if (!p) |
| 1409 | break; |
| 1410 | |
| 1411 | p += 2; |
| 1412 | p = ltrim(p); |
| 1413 | len = strcspn(p, " \t"); |
| 1414 | if (!len) |
| 1415 | break; |
| 1416 | |
| 1417 | snprintf(evname, len + 1, "%s", p); |
| 1418 | |
| 1419 | match = 0; |
| 1420 | evlist__for_each(session->evlist, pos) { |
| 1421 | if (!strcmp(perf_evsel__name(pos), evname)) { |
| 1422 | match = 1; |
| 1423 | break; |
| 1424 | } |
| 1425 | } |
| 1426 | |
| 1427 | if (!match) { |
| 1428 | fclose(fp); |
| 1429 | return -1; |
| 1430 | } |
| 1431 | } |
| 1432 | } |
| 1433 | |
| 1434 | fclose(fp); |
| 1435 | return 0; |
| 1436 | } |
| 1437 | |
| 1438 | /* |
| 1439 | * Return -1 if none is found, otherwise the actual scripts number. |
| 1440 | * |
| 1441 | * Currently the only user of this function is the script browser, which |
| 1442 | * will list all statically runnable scripts, select one, execute it and |
| 1443 | * show the output in a perf browser. |
| 1444 | */ |
| 1445 | int find_scripts(char **scripts_array, char **scripts_path_array) |
| 1446 | { |
| 1447 | struct dirent *script_next, *lang_next, script_dirent, lang_dirent; |
| 1448 | char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; |
| 1449 | DIR *scripts_dir, *lang_dir; |
| 1450 | struct perf_session *session; |
| 1451 | struct perf_data_file file = { |
| 1452 | .path = input_name, |
| 1453 | .mode = PERF_DATA_MODE_READ, |
| 1454 | }; |
| 1455 | char *temp; |
| 1456 | int i = 0; |
| 1457 | |
| 1458 | session = perf_session__new(&file, false, NULL); |
| 1459 | if (!session) |
| 1460 | return -1; |
| 1461 | |
| 1462 | snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path()); |
| 1463 | |
| 1464 | scripts_dir = opendir(scripts_path); |
| 1465 | if (!scripts_dir) { |
| 1466 | perf_session__delete(session); |
| 1467 | return -1; |
| 1468 | } |
| 1469 | |
| 1470 | for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) { |
| 1471 | snprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, |
| 1472 | lang_dirent.d_name); |
| 1473 | #ifdef NO_LIBPERL |
| 1474 | if (strstr(lang_path, "perl")) |
| 1475 | continue; |
| 1476 | #endif |
| 1477 | #ifdef NO_LIBPYTHON |
| 1478 | if (strstr(lang_path, "python")) |
| 1479 | continue; |
| 1480 | #endif |
| 1481 | |
| 1482 | lang_dir = opendir(lang_path); |
| 1483 | if (!lang_dir) |
| 1484 | continue; |
| 1485 | |
| 1486 | for_each_script(lang_path, lang_dir, script_dirent, script_next) { |
| 1487 | /* Skip those real time scripts: xxxtop.p[yl] */ |
| 1488 | if (strstr(script_dirent.d_name, "top.")) |
| 1489 | continue; |
| 1490 | sprintf(scripts_path_array[i], "%s/%s", lang_path, |
| 1491 | script_dirent.d_name); |
| 1492 | temp = strchr(script_dirent.d_name, '.'); |
| 1493 | snprintf(scripts_array[i], |
| 1494 | (temp - script_dirent.d_name) + 1, |
| 1495 | "%s", script_dirent.d_name); |
| 1496 | |
| 1497 | if (check_ev_match(lang_path, |
| 1498 | scripts_array[i], session)) |
| 1499 | continue; |
| 1500 | |
| 1501 | i++; |
| 1502 | } |
| 1503 | closedir(lang_dir); |
| 1504 | } |
| 1505 | |
| 1506 | closedir(scripts_dir); |
| 1507 | perf_session__delete(session); |
| 1508 | return i; |
| 1509 | } |
| 1510 | |
| 1511 | static char *get_script_path(const char *script_root, const char *suffix) |
| 1512 | { |
| 1513 | struct dirent *script_next, *lang_next, script_dirent, lang_dirent; |
| 1514 | char scripts_path[MAXPATHLEN]; |
| 1515 | char script_path[MAXPATHLEN]; |
| 1516 | DIR *scripts_dir, *lang_dir; |
| 1517 | char lang_path[MAXPATHLEN]; |
| 1518 | char *__script_root; |
| 1519 | |
| 1520 | snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path()); |
| 1521 | |
| 1522 | scripts_dir = opendir(scripts_path); |
| 1523 | if (!scripts_dir) |
| 1524 | return NULL; |
| 1525 | |
| 1526 | for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) { |
| 1527 | snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, |
| 1528 | lang_dirent.d_name); |
| 1529 | lang_dir = opendir(lang_path); |
| 1530 | if (!lang_dir) |
| 1531 | continue; |
| 1532 | |
| 1533 | for_each_script(lang_path, lang_dir, script_dirent, script_next) { |
| 1534 | __script_root = get_script_root(&script_dirent, suffix); |
| 1535 | if (__script_root && !strcmp(script_root, __script_root)) { |
| 1536 | free(__script_root); |
| 1537 | closedir(lang_dir); |
| 1538 | closedir(scripts_dir); |
| 1539 | snprintf(script_path, MAXPATHLEN, "%s/%s", |
| 1540 | lang_path, script_dirent.d_name); |
| 1541 | return strdup(script_path); |
| 1542 | } |
| 1543 | free(__script_root); |
| 1544 | } |
| 1545 | closedir(lang_dir); |
| 1546 | } |
| 1547 | closedir(scripts_dir); |
| 1548 | |
| 1549 | return NULL; |
| 1550 | } |
| 1551 | |
| 1552 | static bool is_top_script(const char *script_path) |
| 1553 | { |
| 1554 | return ends_with(script_path, "top") == NULL ? false : true; |
| 1555 | } |
| 1556 | |
| 1557 | static int has_required_arg(char *script_path) |
| 1558 | { |
| 1559 | struct script_desc *desc; |
| 1560 | int n_args = 0; |
| 1561 | char *p; |
| 1562 | |
| 1563 | desc = script_desc__new(NULL); |
| 1564 | |
| 1565 | if (read_script_info(desc, script_path)) |
| 1566 | goto out; |
| 1567 | |
| 1568 | if (!desc->args) |
| 1569 | goto out; |
| 1570 | |
| 1571 | for (p = desc->args; *p; p++) |
| 1572 | if (*p == '<') |
| 1573 | n_args++; |
| 1574 | out: |
| 1575 | script_desc__delete(desc); |
| 1576 | |
| 1577 | return n_args; |
| 1578 | } |
| 1579 | |
| 1580 | static int have_cmd(int argc, const char **argv) |
| 1581 | { |
| 1582 | char **__argv = malloc(sizeof(const char *) * argc); |
| 1583 | |
| 1584 | if (!__argv) { |
| 1585 | pr_err("malloc failed\n"); |
| 1586 | return -1; |
| 1587 | } |
| 1588 | |
| 1589 | memcpy(__argv, argv, sizeof(const char *) * argc); |
| 1590 | argc = parse_options(argc, (const char **)__argv, record_options, |
| 1591 | NULL, PARSE_OPT_STOP_AT_NON_OPTION); |
| 1592 | free(__argv); |
| 1593 | |
| 1594 | system_wide = (argc == 0); |
| 1595 | |
| 1596 | return 0; |
| 1597 | } |
| 1598 | |
| 1599 | static void script__setup_sample_type(struct perf_script *script) |
| 1600 | { |
| 1601 | struct perf_session *session = script->session; |
| 1602 | u64 sample_type = perf_evlist__combined_sample_type(session->evlist); |
| 1603 | |
| 1604 | if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) { |
| 1605 | if ((sample_type & PERF_SAMPLE_REGS_USER) && |
| 1606 | (sample_type & PERF_SAMPLE_STACK_USER)) |
| 1607 | callchain_param.record_mode = CALLCHAIN_DWARF; |
| 1608 | else if (sample_type & PERF_SAMPLE_BRANCH_STACK) |
| 1609 | callchain_param.record_mode = CALLCHAIN_LBR; |
| 1610 | else |
| 1611 | callchain_param.record_mode = CALLCHAIN_FP; |
| 1612 | } |
| 1613 | } |
| 1614 | |
| 1615 | int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused) |
| 1616 | { |
| 1617 | bool show_full_info = false; |
| 1618 | bool header = false; |
| 1619 | bool header_only = false; |
| 1620 | bool script_started = false; |
| 1621 | char *rec_script_path = NULL; |
| 1622 | char *rep_script_path = NULL; |
| 1623 | struct perf_session *session; |
| 1624 | struct itrace_synth_opts itrace_synth_opts = { .set = false, }; |
| 1625 | char *script_path = NULL; |
| 1626 | const char **__argv; |
| 1627 | int i, j, err = 0; |
| 1628 | struct perf_script script = { |
| 1629 | .tool = { |
| 1630 | .sample = process_sample_event, |
| 1631 | .mmap = perf_event__process_mmap, |
| 1632 | .mmap2 = perf_event__process_mmap2, |
| 1633 | .comm = perf_event__process_comm, |
| 1634 | .exit = perf_event__process_exit, |
| 1635 | .fork = perf_event__process_fork, |
| 1636 | .attr = process_attr, |
| 1637 | .tracing_data = perf_event__process_tracing_data, |
| 1638 | .build_id = perf_event__process_build_id, |
| 1639 | .id_index = perf_event__process_id_index, |
| 1640 | .auxtrace_info = perf_event__process_auxtrace_info, |
| 1641 | .auxtrace = perf_event__process_auxtrace, |
| 1642 | .auxtrace_error = perf_event__process_auxtrace_error, |
| 1643 | .ordered_events = true, |
| 1644 | .ordering_requires_timestamps = true, |
| 1645 | }, |
| 1646 | }; |
| 1647 | struct perf_data_file file = { |
| 1648 | .mode = PERF_DATA_MODE_READ, |
| 1649 | }; |
| 1650 | const struct option options[] = { |
| 1651 | OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, |
| 1652 | "dump raw trace in ASCII"), |
| 1653 | OPT_INCR('v', "verbose", &verbose, |
| 1654 | "be more verbose (show symbol address, etc)"), |
| 1655 | OPT_BOOLEAN('L', "Latency", &latency_format, |
| 1656 | "show latency attributes (irqs/preemption disabled, etc)"), |
| 1657 | OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", |
| 1658 | list_available_scripts), |
| 1659 | OPT_CALLBACK('s', "script", NULL, "name", |
| 1660 | "script file name (lang:script name, script name, or *)", |
| 1661 | parse_scriptname), |
| 1662 | OPT_STRING('g', "gen-script", &generate_script_lang, "lang", |
| 1663 | "generate perf-script.xx script in specified language"), |
| 1664 | OPT_STRING('i', "input", &input_name, "file", "input file name"), |
| 1665 | OPT_BOOLEAN('d', "debug-mode", &debug_mode, |
| 1666 | "do various checks like samples ordering and lost events"), |
| 1667 | OPT_BOOLEAN(0, "header", &header, "Show data header."), |
| 1668 | OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."), |
| 1669 | OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, |
| 1670 | "file", "vmlinux pathname"), |
| 1671 | OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, |
| 1672 | "file", "kallsyms pathname"), |
| 1673 | OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, |
| 1674 | "When printing symbols do not display call chain"), |
| 1675 | OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory", |
| 1676 | "Look for files with symbols relative to this directory"), |
| 1677 | OPT_CALLBACK('F', "fields", NULL, "str", |
| 1678 | "comma separated output fields prepend with 'type:'. " |
| 1679 | "Valid types: hw,sw,trace,raw. " |
| 1680 | "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso," |
| 1681 | "addr,symoff,period,iregs,flags", parse_output_fields), |
| 1682 | OPT_BOOLEAN('a', "all-cpus", &system_wide, |
| 1683 | "system-wide collection from all CPUs"), |
| 1684 | OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", |
| 1685 | "only consider these symbols"), |
| 1686 | OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), |
| 1687 | OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", |
| 1688 | "only display events for these comms"), |
| 1689 | OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", |
| 1690 | "only consider symbols in these pids"), |
| 1691 | OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", |
| 1692 | "only consider symbols in these tids"), |
| 1693 | OPT_BOOLEAN('I', "show-info", &show_full_info, |
| 1694 | "display extended information from perf.data file"), |
| 1695 | OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, |
| 1696 | "Show the path of [kernel.kallsyms]"), |
| 1697 | OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, |
| 1698 | "Show the fork/comm/exit events"), |
| 1699 | OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, |
| 1700 | "Show the mmap events"), |
| 1701 | OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events, |
| 1702 | "Show context switch events (if recorded)"), |
| 1703 | OPT_BOOLEAN('f', "force", &file.force, "don't complain, do it"), |
| 1704 | OPT_BOOLEAN(0, "ns", &nanosecs, |
| 1705 | "Use 9 decimal places when displaying time"), |
| 1706 | OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", |
| 1707 | "Instruction Tracing options", |
| 1708 | itrace_parse_synth_opts), |
| 1709 | OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, |
| 1710 | "Show full source file name path for source lines"), |
| 1711 | OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, |
| 1712 | "Enable symbol demangling"), |
| 1713 | OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, |
| 1714 | "Enable kernel symbol demangling"), |
| 1715 | |
| 1716 | OPT_END() |
| 1717 | }; |
| 1718 | const char * const script_subcommands[] = { "record", "report", NULL }; |
| 1719 | const char *script_usage[] = { |
| 1720 | "perf script [<options>]", |
| 1721 | "perf script [<options>] record <script> [<record-options>] <command>", |
| 1722 | "perf script [<options>] report <script> [script-args]", |
| 1723 | "perf script [<options>] <script> [<record-options>] <command>", |
| 1724 | "perf script [<options>] <top-script> [script-args]", |
| 1725 | NULL |
| 1726 | }; |
| 1727 | |
| 1728 | setup_scripting(); |
| 1729 | |
| 1730 | argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage, |
| 1731 | PARSE_OPT_STOP_AT_NON_OPTION); |
| 1732 | |
| 1733 | file.path = input_name; |
| 1734 | |
| 1735 | if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) { |
| 1736 | rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); |
| 1737 | if (!rec_script_path) |
| 1738 | return cmd_record(argc, argv, NULL); |
| 1739 | } |
| 1740 | |
| 1741 | if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) { |
| 1742 | rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); |
| 1743 | if (!rep_script_path) { |
| 1744 | fprintf(stderr, |
| 1745 | "Please specify a valid report script" |
| 1746 | "(see 'perf script -l' for listing)\n"); |
| 1747 | return -1; |
| 1748 | } |
| 1749 | } |
| 1750 | |
| 1751 | if (itrace_synth_opts.callchain && |
| 1752 | itrace_synth_opts.callchain_sz > scripting_max_stack) |
| 1753 | scripting_max_stack = itrace_synth_opts.callchain_sz; |
| 1754 | |
| 1755 | /* make sure PERF_EXEC_PATH is set for scripts */ |
| 1756 | perf_set_argv_exec_path(perf_exec_path()); |
| 1757 | |
| 1758 | if (argc && !script_name && !rec_script_path && !rep_script_path) { |
| 1759 | int live_pipe[2]; |
| 1760 | int rep_args; |
| 1761 | pid_t pid; |
| 1762 | |
| 1763 | rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); |
| 1764 | rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); |
| 1765 | |
| 1766 | if (!rec_script_path && !rep_script_path) { |
| 1767 | fprintf(stderr, " Couldn't find script %s\n\n See perf" |
| 1768 | " script -l for available scripts.\n", argv[0]); |
| 1769 | usage_with_options(script_usage, options); |
| 1770 | } |
| 1771 | |
| 1772 | if (is_top_script(argv[0])) { |
| 1773 | rep_args = argc - 1; |
| 1774 | } else { |
| 1775 | int rec_args; |
| 1776 | |
| 1777 | rep_args = has_required_arg(rep_script_path); |
| 1778 | rec_args = (argc - 1) - rep_args; |
| 1779 | if (rec_args < 0) { |
| 1780 | fprintf(stderr, " %s script requires options." |
| 1781 | "\n\n See perf script -l for available " |
| 1782 | "scripts and options.\n", argv[0]); |
| 1783 | usage_with_options(script_usage, options); |
| 1784 | } |
| 1785 | } |
| 1786 | |
| 1787 | if (pipe(live_pipe) < 0) { |
| 1788 | perror("failed to create pipe"); |
| 1789 | return -1; |
| 1790 | } |
| 1791 | |
| 1792 | pid = fork(); |
| 1793 | if (pid < 0) { |
| 1794 | perror("failed to fork"); |
| 1795 | return -1; |
| 1796 | } |
| 1797 | |
| 1798 | if (!pid) { |
| 1799 | j = 0; |
| 1800 | |
| 1801 | dup2(live_pipe[1], 1); |
| 1802 | close(live_pipe[0]); |
| 1803 | |
| 1804 | if (is_top_script(argv[0])) { |
| 1805 | system_wide = true; |
| 1806 | } else if (!system_wide) { |
| 1807 | if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { |
| 1808 | err = -1; |
| 1809 | goto out; |
| 1810 | } |
| 1811 | } |
| 1812 | |
| 1813 | __argv = malloc((argc + 6) * sizeof(const char *)); |
| 1814 | if (!__argv) { |
| 1815 | pr_err("malloc failed\n"); |
| 1816 | err = -ENOMEM; |
| 1817 | goto out; |
| 1818 | } |
| 1819 | |
| 1820 | __argv[j++] = "/bin/sh"; |
| 1821 | __argv[j++] = rec_script_path; |
| 1822 | if (system_wide) |
| 1823 | __argv[j++] = "-a"; |
| 1824 | __argv[j++] = "-q"; |
| 1825 | __argv[j++] = "-o"; |
| 1826 | __argv[j++] = "-"; |
| 1827 | for (i = rep_args + 1; i < argc; i++) |
| 1828 | __argv[j++] = argv[i]; |
| 1829 | __argv[j++] = NULL; |
| 1830 | |
| 1831 | execvp("/bin/sh", (char **)__argv); |
| 1832 | free(__argv); |
| 1833 | exit(-1); |
| 1834 | } |
| 1835 | |
| 1836 | dup2(live_pipe[0], 0); |
| 1837 | close(live_pipe[1]); |
| 1838 | |
| 1839 | __argv = malloc((argc + 4) * sizeof(const char *)); |
| 1840 | if (!__argv) { |
| 1841 | pr_err("malloc failed\n"); |
| 1842 | err = -ENOMEM; |
| 1843 | goto out; |
| 1844 | } |
| 1845 | |
| 1846 | j = 0; |
| 1847 | __argv[j++] = "/bin/sh"; |
| 1848 | __argv[j++] = rep_script_path; |
| 1849 | for (i = 1; i < rep_args + 1; i++) |
| 1850 | __argv[j++] = argv[i]; |
| 1851 | __argv[j++] = "-i"; |
| 1852 | __argv[j++] = "-"; |
| 1853 | __argv[j++] = NULL; |
| 1854 | |
| 1855 | execvp("/bin/sh", (char **)__argv); |
| 1856 | free(__argv); |
| 1857 | exit(-1); |
| 1858 | } |
| 1859 | |
| 1860 | if (rec_script_path) |
| 1861 | script_path = rec_script_path; |
| 1862 | if (rep_script_path) |
| 1863 | script_path = rep_script_path; |
| 1864 | |
| 1865 | if (script_path) { |
| 1866 | j = 0; |
| 1867 | |
| 1868 | if (!rec_script_path) |
| 1869 | system_wide = false; |
| 1870 | else if (!system_wide) { |
| 1871 | if (have_cmd(argc - 1, &argv[1]) != 0) { |
| 1872 | err = -1; |
| 1873 | goto out; |
| 1874 | } |
| 1875 | } |
| 1876 | |
| 1877 | __argv = malloc((argc + 2) * sizeof(const char *)); |
| 1878 | if (!__argv) { |
| 1879 | pr_err("malloc failed\n"); |
| 1880 | err = -ENOMEM; |
| 1881 | goto out; |
| 1882 | } |
| 1883 | |
| 1884 | __argv[j++] = "/bin/sh"; |
| 1885 | __argv[j++] = script_path; |
| 1886 | if (system_wide) |
| 1887 | __argv[j++] = "-a"; |
| 1888 | for (i = 2; i < argc; i++) |
| 1889 | __argv[j++] = argv[i]; |
| 1890 | __argv[j++] = NULL; |
| 1891 | |
| 1892 | execvp("/bin/sh", (char **)__argv); |
| 1893 | free(__argv); |
| 1894 | exit(-1); |
| 1895 | } |
| 1896 | |
| 1897 | if (!script_name) |
| 1898 | setup_pager(); |
| 1899 | |
| 1900 | session = perf_session__new(&file, false, &script.tool); |
| 1901 | if (session == NULL) |
| 1902 | return -1; |
| 1903 | |
| 1904 | if (header || header_only) { |
| 1905 | perf_session__fprintf_info(session, stdout, show_full_info); |
| 1906 | if (header_only) |
| 1907 | goto out_delete; |
| 1908 | } |
| 1909 | |
| 1910 | if (symbol__init(&session->header.env) < 0) |
| 1911 | goto out_delete; |
| 1912 | |
| 1913 | script.session = session; |
| 1914 | script__setup_sample_type(&script); |
| 1915 | |
| 1916 | session->itrace_synth_opts = &itrace_synth_opts; |
| 1917 | |
| 1918 | if (cpu_list) { |
| 1919 | err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap); |
| 1920 | if (err < 0) |
| 1921 | goto out_delete; |
| 1922 | } |
| 1923 | |
| 1924 | if (!no_callchain) |
| 1925 | symbol_conf.use_callchain = true; |
| 1926 | else |
| 1927 | symbol_conf.use_callchain = false; |
| 1928 | |
| 1929 | if (session->tevent.pevent && |
| 1930 | pevent_set_function_resolver(session->tevent.pevent, |
| 1931 | machine__resolve_kernel_addr, |
| 1932 | &session->machines.host) < 0) { |
| 1933 | pr_err("%s: failed to set libtraceevent function resolver\n", __func__); |
| 1934 | return -1; |
| 1935 | } |
| 1936 | |
| 1937 | if (generate_script_lang) { |
| 1938 | struct stat perf_stat; |
| 1939 | int input; |
| 1940 | |
| 1941 | if (output_set_by_user()) { |
| 1942 | fprintf(stderr, |
| 1943 | "custom fields not supported for generated scripts"); |
| 1944 | err = -EINVAL; |
| 1945 | goto out_delete; |
| 1946 | } |
| 1947 | |
| 1948 | input = open(file.path, O_RDONLY); /* input_name */ |
| 1949 | if (input < 0) { |
| 1950 | err = -errno; |
| 1951 | perror("failed to open file"); |
| 1952 | goto out_delete; |
| 1953 | } |
| 1954 | |
| 1955 | err = fstat(input, &perf_stat); |
| 1956 | if (err < 0) { |
| 1957 | perror("failed to stat file"); |
| 1958 | goto out_delete; |
| 1959 | } |
| 1960 | |
| 1961 | if (!perf_stat.st_size) { |
| 1962 | fprintf(stderr, "zero-sized file, nothing to do!\n"); |
| 1963 | goto out_delete; |
| 1964 | } |
| 1965 | |
| 1966 | scripting_ops = script_spec__lookup(generate_script_lang); |
| 1967 | if (!scripting_ops) { |
| 1968 | fprintf(stderr, "invalid language specifier"); |
| 1969 | err = -ENOENT; |
| 1970 | goto out_delete; |
| 1971 | } |
| 1972 | |
| 1973 | err = scripting_ops->generate_script(session->tevent.pevent, |
| 1974 | "perf-script"); |
| 1975 | goto out_delete; |
| 1976 | } |
| 1977 | |
| 1978 | if (script_name) { |
| 1979 | err = scripting_ops->start_script(script_name, argc, argv); |
| 1980 | if (err) |
| 1981 | goto out_delete; |
| 1982 | pr_debug("perf script started with script %s\n\n", script_name); |
| 1983 | script_started = true; |
| 1984 | } |
| 1985 | |
| 1986 | |
| 1987 | err = perf_session__check_output_opt(session); |
| 1988 | if (err < 0) |
| 1989 | goto out_delete; |
| 1990 | |
| 1991 | err = __cmd_script(&script); |
| 1992 | |
| 1993 | flush_scripting(); |
| 1994 | |
| 1995 | out_delete: |
| 1996 | perf_session__delete(session); |
| 1997 | |
| 1998 | if (script_started) |
| 1999 | cleanup_scripting(); |
| 2000 | out: |
| 2001 | return err; |
| 2002 | } |