builtin-script.c 32.8 KB
Newer Older
F
Frederic Weisbecker 已提交
1 2
#include "builtin.h"

A
Andrea Gelmini 已提交
3
#include "perf.h"
F
Frederic Weisbecker 已提交
4
#include "util/cache.h"
A
Andrea Gelmini 已提交
5 6 7 8 9
#include "util/debug.h"
#include "util/exec_cmd.h"
#include "util/header.h"
#include "util/parse-options.h"
#include "util/session.h"
10
#include "util/tool.h"
F
Frederic Weisbecker 已提交
11 12
#include "util/symbol.h"
#include "util/thread.h"
I
Ingo Molnar 已提交
13
#include "util/trace-event.h"
A
Andrea Gelmini 已提交
14
#include "util/util.h"
15 16
#include "util/evlist.h"
#include "util/evsel.h"
17
#include <linux/bitmap.h>
F
Frederic Weisbecker 已提交
18

T
Tom Zanussi 已提交
19 20
static char const		*script_name;
static char const		*generate_script_lang;
21
static bool			debug_mode;
22
static u64			last_timestamp;
23
static u64			nr_unordered;
24
extern const struct option	record_options[];
25
static bool			no_callchain;
26
static bool			show_full_info;
27
static bool			system_wide;
28 29
static const char		*cpu_list;
static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
T
Tom Zanussi 已提交
30

31 32 33 34 35 36 37 38
enum perf_output_field {
	PERF_OUTPUT_COMM            = 1U << 0,
	PERF_OUTPUT_TID             = 1U << 1,
	PERF_OUTPUT_PID             = 1U << 2,
	PERF_OUTPUT_TIME            = 1U << 3,
	PERF_OUTPUT_CPU             = 1U << 4,
	PERF_OUTPUT_EVNAME          = 1U << 5,
	PERF_OUTPUT_TRACE           = 1U << 6,
39 40
	PERF_OUTPUT_IP              = 1U << 7,
	PERF_OUTPUT_SYM             = 1U << 8,
41
	PERF_OUTPUT_DSO             = 1U << 9,
42
	PERF_OUTPUT_ADDR            = 1U << 10,
43
	PERF_OUTPUT_SYMOFFSET       = 1U << 11,
44 45 46 47 48 49 50 51 52 53 54 55 56
};

struct output_option {
	const char *str;
	enum perf_output_field field;
} all_output_options[] = {
	{.str = "comm",  .field = PERF_OUTPUT_COMM},
	{.str = "tid",   .field = PERF_OUTPUT_TID},
	{.str = "pid",   .field = PERF_OUTPUT_PID},
	{.str = "time",  .field = PERF_OUTPUT_TIME},
	{.str = "cpu",   .field = PERF_OUTPUT_CPU},
	{.str = "event", .field = PERF_OUTPUT_EVNAME},
	{.str = "trace", .field = PERF_OUTPUT_TRACE},
57
	{.str = "ip",    .field = PERF_OUTPUT_IP},
58
	{.str = "sym",   .field = PERF_OUTPUT_SYM},
59
	{.str = "dso",   .field = PERF_OUTPUT_DSO},
60
	{.str = "addr",  .field = PERF_OUTPUT_ADDR},
61
	{.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
62 63 64
};

/* default set to maintain compatibility with current format */
65 66
static struct {
	bool user_set;
67
	bool wildcard_set;
68 69 70 71 72 73 74 75 76
	u64 fields;
	u64 invalid_fields;
} output[PERF_TYPE_MAX] = {

	[PERF_TYPE_HARDWARE] = {
		.user_set = false,

		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
77
			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
78
				  PERF_OUTPUT_SYM | PERF_OUTPUT_DSO,
79 80 81 82 83 84 85 86 87

		.invalid_fields = PERF_OUTPUT_TRACE,
	},

	[PERF_TYPE_SOFTWARE] = {
		.user_set = false,

		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
88
			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
89
				  PERF_OUTPUT_SYM | PERF_OUTPUT_DSO,
90 91 92 93 94 95 96 97 98 99 100

		.invalid_fields = PERF_OUTPUT_TRACE,
	},

	[PERF_TYPE_TRACEPOINT] = {
		.user_set = false,

		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
				  PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
				  PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE,
	},
101 102 103 104 105 106

	[PERF_TYPE_RAW] = {
		.user_set = false,

		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
107
			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
108
				  PERF_OUTPUT_SYM | PERF_OUTPUT_DSO,
109 110 111

		.invalid_fields = PERF_OUTPUT_TRACE,
	},
112
};
113

114 115 116 117 118 119 120 121 122
static bool output_set_by_user(void)
{
	int j;
	for (j = 0; j < PERF_TYPE_MAX; ++j) {
		if (output[j].user_set)
			return true;
	}
	return false;
}
123

124 125 126 127 128 129 130 131 132 133 134 135 136 137
static const char *output_field2str(enum perf_output_field field)
{
	int i, imax = ARRAY_SIZE(all_output_options);
	const char *str = "";

	for (i = 0; i < imax; ++i) {
		if (all_output_options[i].field == field) {
			str = all_output_options[i].str;
			break;
		}
	}
	return str;
}

138
#define PRINT_FIELD(x)  (output[attr->type].fields & PERF_OUTPUT_##x)
139

140 141 142
static int perf_event_attr__check_stype(struct perf_event_attr *attr,
				  u64 sample_type, const char *sample_msg,
				  enum perf_output_field field)
143
{
144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172
	int type = attr->type;
	const char *evname;

	if (attr->sample_type & sample_type)
		return 0;

	if (output[type].user_set) {
		evname = __event_name(attr->type, attr->config);
		pr_err("Samples for '%s' event do not have %s attribute set. "
		       "Cannot print '%s' field.\n",
		       evname, sample_msg, output_field2str(field));
		return -1;
	}

	/* user did not ask for it explicitly so remove from the default list */
	output[type].fields &= ~field;
	evname = __event_name(attr->type, attr->config);
	pr_debug("Samples for '%s' event do not have %s attribute set. "
		 "Skipping '%s' field.\n",
		 evname, sample_msg, output_field2str(field));

	return 0;
}

static int perf_evsel__check_attr(struct perf_evsel *evsel,
				  struct perf_session *session)
{
	struct perf_event_attr *attr = &evsel->attr;

173 174 175 176
	if (PRINT_FIELD(TRACE) &&
		!perf_session__has_traces(session, "record -R"))
		return -EINVAL;

177
	if (PRINT_FIELD(IP)) {
178
		if (perf_event_attr__check_stype(attr, PERF_SAMPLE_IP, "IP",
179
					   PERF_OUTPUT_IP))
180
			return -EINVAL;
181

182
		if (!no_callchain &&
183
		    !(attr->sample_type & PERF_SAMPLE_CALLCHAIN))
184 185
			symbol_conf.use_callchain = false;
	}
186 187 188 189 190 191 192 193 194 195

	if (PRINT_FIELD(ADDR) &&
		perf_event_attr__check_stype(attr, PERF_SAMPLE_ADDR, "ADDR",
				       PERF_OUTPUT_ADDR))
		return -EINVAL;

	if (PRINT_FIELD(SYM) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) {
		pr_err("Display of symbols requested but neither sample IP nor "
			   "sample address\nis selected. Hence, no addresses to convert "
		       "to symbols.\n");
196 197
		return -EINVAL;
	}
198 199 200 201 202
	if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
		pr_err("Display of offsets requested but symbol is not"
		       "selected.\n");
		return -EINVAL;
	}
203 204 205 206
	if (PRINT_FIELD(DSO) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) {
		pr_err("Display of DSO requested but neither sample IP nor "
			   "sample address\nis selected. Hence, no addresses to convert "
		       "to DSO.\n");
207 208
		return -EINVAL;
	}
209 210

	if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
211 212
		perf_event_attr__check_stype(attr, PERF_SAMPLE_TID, "TID",
				       PERF_OUTPUT_TID|PERF_OUTPUT_PID))
213 214 215
		return -EINVAL;

	if (PRINT_FIELD(TIME) &&
216 217
		perf_event_attr__check_stype(attr, PERF_SAMPLE_TIME, "TIME",
				       PERF_OUTPUT_TIME))
218 219 220
		return -EINVAL;

	if (PRINT_FIELD(CPU) &&
221 222
		perf_event_attr__check_stype(attr, PERF_SAMPLE_CPU, "CPU",
				       PERF_OUTPUT_CPU))
223
		return -EINVAL;
224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253

	return 0;
}

/*
 * verify all user requested events exist and the samples
 * have the expected data
 */
static int perf_session__check_output_opt(struct perf_session *session)
{
	int j;
	struct perf_evsel *evsel;

	for (j = 0; j < PERF_TYPE_MAX; ++j) {
		evsel = perf_session__find_first_evtype(session, j);

		/*
		 * even if fields is set to 0 (ie., show nothing) event must
		 * exist if user explicitly includes it on the command line
		 */
		if (!evsel && output[j].user_set && !output[j].wildcard_set) {
			pr_err("%s events do not exist. "
			       "Remove corresponding -f option to proceed.\n",
			       event_type(j));
			return -1;
		}

		if (evsel && output[j].fields &&
			perf_evsel__check_attr(evsel, session))
			return -1;
254 255 256 257
	}

	return 0;
}
258

259
static void print_sample_start(struct perf_sample *sample,
260 261
			       struct thread *thread,
			       struct perf_event_attr *attr)
262 263 264 265 266 267
{
	int type;
	struct event *event;
	const char *evname = NULL;
	unsigned long secs;
	unsigned long usecs;
268 269 270 271 272
	unsigned long long nsecs;

	if (PRINT_FIELD(COMM)) {
		if (latency_format)
			printf("%8.8s ", thread->comm);
273
		else if (PRINT_FIELD(IP) && symbol_conf.use_callchain)
274
			printf("%s ", thread->comm);
275 276 277
		else
			printf("%16s ", thread->comm);
	}
278

279 280 281 282 283 284 285 286 287 288 289 290 291
	if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
		printf("%5d/%-5d ", sample->pid, sample->tid);
	else if (PRINT_FIELD(PID))
		printf("%5d ", sample->pid);
	else if (PRINT_FIELD(TID))
		printf("%5d ", sample->tid);

	if (PRINT_FIELD(CPU)) {
		if (latency_format)
			printf("%3d ", sample->cpu);
		else
			printf("[%03d] ", sample->cpu);
	}
292

293 294 295 296 297 298 299
	if (PRINT_FIELD(TIME)) {
		nsecs = sample->time;
		secs = nsecs / NSECS_PER_SEC;
		nsecs -= secs * NSECS_PER_SEC;
		usecs = nsecs / NSECS_PER_USEC;
		printf("%5lu.%06lu: ", secs, usecs);
	}
300

301
	if (PRINT_FIELD(EVNAME)) {
302 303 304 305 306 307 308
		if (attr->type == PERF_TYPE_TRACEPOINT) {
			type = trace_parse_common_type(sample->raw_data);
			event = trace_find_event(type);
			if (event)
				evname = event->name;
		} else
			evname = __event_name(attr->type, attr->config);
309

310
		printf("%s: ", evname ? evname : "[unknown]");
311
	}
312 313
}

314 315 316 317 318 319 320
static bool is_bts_event(struct perf_event_attr *attr)
{
	return ((attr->type == PERF_TYPE_HARDWARE) &&
		(attr->config & PERF_COUNT_HW_BRANCH_INSTRUCTIONS) &&
		(attr->sample_period == 1));
}

321 322 323 324 325 326 327 328
static bool sample_addr_correlates_sym(struct perf_event_attr *attr)
{
	if ((attr->type == PERF_TYPE_SOFTWARE) &&
	    ((attr->config == PERF_COUNT_SW_PAGE_FAULTS) ||
	     (attr->config == PERF_COUNT_SW_PAGE_FAULTS_MIN) ||
	     (attr->config == PERF_COUNT_SW_PAGE_FAULTS_MAJ)))
		return true;

329 330 331
	if (is_bts_event(attr))
		return true;

332 333 334 335 336
	return false;
}

static void print_sample_addr(union perf_event *event,
			  struct perf_sample *sample,
337
			  struct machine *machine,
338 339 340 341 342 343 344 345 346 347 348
			  struct thread *thread,
			  struct perf_event_attr *attr)
{
	struct addr_location al;
	u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;

	printf("%16" PRIx64, sample->addr);

	if (!sample_addr_correlates_sym(attr))
		return;

349 350
	thread__find_addr_map(thread, machine, cpumode, MAP__FUNCTION,
			      sample->addr, &al);
351
	if (!al.map)
352 353
		thread__find_addr_map(thread, machine, cpumode, MAP__VARIABLE,
				      sample->addr, &al);
354 355 356 357 358 359 360 361

	al.cpu = sample->cpu;
	al.sym = NULL;

	if (al.map)
		al.sym = map__find_symbol(al.map, al.addr, NULL);

	if (PRINT_FIELD(SYM)) {
362
		printf(" ");
363 364 365 366
		if (PRINT_FIELD(SYMOFFSET))
			symbol__fprintf_symname_offs(al.sym, &al, stdout);
		else
			symbol__fprintf_symname(al.sym, stdout);
367 368 369
	}

	if (PRINT_FIELD(DSO)) {
370 371 372
		printf(" (");
		map__fprintf_dsoname(al.map, stdout);
		printf(")");
373 374 375
	}
}

376 377 378 379 380 381 382 383 384 385 386 387 388 389 390
static void print_sample_bts(union perf_event *event,
			     struct perf_sample *sample,
			     struct perf_evsel *evsel,
			     struct machine *machine,
			     struct thread *thread)
{
	struct perf_event_attr *attr = &evsel->attr;

	/* print branch_from information */
	if (PRINT_FIELD(IP)) {
		if (!symbol_conf.use_callchain)
			printf(" ");
		else
			printf("\n");
		perf_event__print_ip(event, sample, machine, evsel,
391 392
				     PRINT_FIELD(SYM), PRINT_FIELD(DSO),
				     PRINT_FIELD(SYMOFFSET));
393 394 395 396 397 398 399 400 401 402 403
	}

	printf(" => ");

	/* print branch_to information */
	if (PRINT_FIELD(ADDR))
		print_sample_addr(event, sample, machine, thread, attr);

	printf("\n");
}

404 405
static void process_event(union perf_event *event __unused,
			  struct perf_sample *sample,
406
			  struct perf_evsel *evsel,
407
			  struct machine *machine,
408 409
			  struct thread *thread)
{
410
	struct perf_event_attr *attr = &evsel->attr;
411

412
	if (output[attr->type].fields == 0)
413 414 415
		return;

	print_sample_start(sample, thread, attr);
416

417 418 419 420 421
	if (is_bts_event(attr)) {
		print_sample_bts(event, sample, evsel, machine, thread);
		return;
	}

422 423 424 425
	if (PRINT_FIELD(TRACE))
		print_trace_event(sample->cpu, sample->raw_data,
				  sample->raw_size);

426
	if (PRINT_FIELD(ADDR))
427
		print_sample_addr(event, sample, machine, thread, attr);
428

429
	if (PRINT_FIELD(IP)) {
430 431 432 433
		if (!symbol_conf.use_callchain)
			printf(" ");
		else
			printf("\n");
434
		perf_event__print_ip(event, sample, machine, evsel,
435 436
				     PRINT_FIELD(SYM), PRINT_FIELD(DSO),
				     PRINT_FIELD(SYMOFFSET));
437 438
	}

439
	printf("\n");
440 441
}

442 443 444
static int default_start_script(const char *script __unused,
				int argc __unused,
				const char **argv __unused)
T
Tom Zanussi 已提交
445 446 447 448 449 450 451 452 453
{
	return 0;
}

static int default_stop_script(void)
{
	return 0;
}

454
static int default_generate_script(const char *outfile __unused)
T
Tom Zanussi 已提交
455 456 457 458 459 460 461
{
	return 0;
}

static struct scripting_ops default_scripting_ops = {
	.start_script		= default_start_script,
	.stop_script		= default_stop_script,
462
	.process_event		= process_event,
T
Tom Zanussi 已提交
463 464 465 466 467 468 469
	.generate_script	= default_generate_script,
};

static struct scripting_ops	*scripting_ops;

static void setup_scripting(void)
{
470
	setup_perl_scripting();
471
	setup_python_scripting();
472

T
Tom Zanussi 已提交
473 474 475 476 477
	scripting_ops = &default_scripting_ops;
}

static int cleanup_scripting(void)
{
478
	pr_debug("\nperf script stopped\n");
479

T
Tom Zanussi 已提交
480 481 482
	return scripting_ops->stop_script();
}

483
static const char *input_name;
F
Frederic Weisbecker 已提交
484

485
static int process_sample_event(struct perf_tool *tool __used,
486
				union perf_event *event,
487
				struct perf_sample *sample,
488
				struct perf_evsel *evsel,
489
				struct machine *machine)
F
Frederic Weisbecker 已提交
490
{
491
	struct addr_location al;
492
	struct thread *thread = machine__findnew_thread(machine, event->ip.tid);
493

F
Frederic Weisbecker 已提交
494
	if (thread == NULL) {
495 496
		pr_debug("problem processing %d event, skipping it.\n",
			 event->header.type);
F
Frederic Weisbecker 已提交
497 498 499
		return -1;
	}

500 501 502 503 504 505
	if (debug_mode) {
		if (sample->time < last_timestamp) {
			pr_err("Samples misordered, previous: %" PRIu64
				" this: %" PRIu64 "\n", last_timestamp,
				sample->time);
			nr_unordered++;
506
		}
507 508
		last_timestamp = sample->time;
		return 0;
F
Frederic Weisbecker 已提交
509
	}
510

511 512 513 514 515 516 517 518 519
	if (perf_event__preprocess_sample(event, machine, &al, sample, 0) < 0) {
		pr_err("problem processing %d event, skipping it.\n",
		       event->header.type);
		return -1;
	}

	if (al.filtered)
		return 0;

520 521 522
	if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
		return 0;

523
	scripting_ops->process_event(event, sample, evsel, machine, thread);
F
Frederic Weisbecker 已提交
524

525
	evsel->hists.stats.total_period += sample->period;
F
Frederic Weisbecker 已提交
526 527 528
	return 0;
}

529
static struct perf_tool perf_script = {
530
	.sample		 = process_sample_event,
531
	.mmap		 = perf_event__process_mmap,
532
	.comm		 = perf_event__process_comm,
533 534
	.exit		 = perf_event__process_task,
	.fork		 = perf_event__process_task,
535 536 537 538
	.attr		 = perf_event__process_attr,
	.event_type	 = perf_event__process_event_type,
	.tracing_data	 = perf_event__process_tracing_data,
	.build_id	 = perf_event__process_build_id,
539
	.ordered_samples = true,
540
	.ordering_requires_timestamps = true,
541 542
};

543 544 545 546 547 548 549
extern volatile int session_done;

static void sig_handler(int sig __unused)
{
	session_done = 1;
}

550
static int __cmd_script(struct perf_session *session)
F
Frederic Weisbecker 已提交
551
{
552 553
	int ret;

554 555
	signal(SIGINT, sig_handler);

556
	ret = perf_session__process_events(session, &perf_script);
557

558
	if (debug_mode)
559
		pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
560 561

	return ret;
F
Frederic Weisbecker 已提交
562 563
}

T
Tom Zanussi 已提交
564 565 566 567 568 569
struct script_spec {
	struct list_head	node;
	struct scripting_ops	*ops;
	char			spec[0];
};

570
static LIST_HEAD(script_specs);
T
Tom Zanussi 已提交
571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609

static struct script_spec *script_spec__new(const char *spec,
					    struct scripting_ops *ops)
{
	struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);

	if (s != NULL) {
		strcpy(s->spec, spec);
		s->ops = ops;
	}

	return s;
}

static void script_spec__add(struct script_spec *s)
{
	list_add_tail(&s->node, &script_specs);
}

static struct script_spec *script_spec__find(const char *spec)
{
	struct script_spec *s;

	list_for_each_entry(s, &script_specs, node)
		if (strcasecmp(s->spec, spec) == 0)
			return s;
	return NULL;
}

static struct script_spec *script_spec__findnew(const char *spec,
						struct scripting_ops *ops)
{
	struct script_spec *s = script_spec__find(spec);

	if (s)
		return s;

	s = script_spec__new(spec, ops);
	if (!s)
610
		return NULL;
T
Tom Zanussi 已提交
611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646

	script_spec__add(s);

	return s;
}

int script_spec_register(const char *spec, struct scripting_ops *ops)
{
	struct script_spec *s;

	s = script_spec__find(spec);
	if (s)
		return -1;

	s = script_spec__findnew(spec, ops);
	if (!s)
		return -1;

	return 0;
}

static struct scripting_ops *script_spec__lookup(const char *spec)
{
	struct script_spec *s = script_spec__find(spec);
	if (!s)
		return NULL;

	return s->ops;
}

static void list_available_languages(void)
{
	struct script_spec *s;

	fprintf(stderr, "\n");
	fprintf(stderr, "Scripting language extensions (used in "
647
		"perf script -s [spec:]script.[spec]):\n\n");
T
Tom Zanussi 已提交
648 649 650 651 652 653 654 655 656 657 658 659 660 661

	list_for_each_entry(s, &script_specs, node)
		fprintf(stderr, "  %-42s [%s]\n", s->spec, s->ops->name);

	fprintf(stderr, "\n");
}

static int parse_scriptname(const struct option *opt __used,
			    const char *str, int unset __used)
{
	char spec[PATH_MAX];
	const char *script, *ext;
	int len;

662
	if (strcmp(str, "lang") == 0) {
T
Tom Zanussi 已提交
663
		list_available_languages();
664
		exit(0);
T
Tom Zanussi 已提交
665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683
	}

	script = strchr(str, ':');
	if (script) {
		len = script - str;
		if (len >= PATH_MAX) {
			fprintf(stderr, "invalid language specifier");
			return -1;
		}
		strncpy(spec, str, len);
		spec[len] = '\0';
		scripting_ops = script_spec__lookup(spec);
		if (!scripting_ops) {
			fprintf(stderr, "invalid language specifier");
			return -1;
		}
		script++;
	} else {
		script = str;
684
		ext = strrchr(script, '.');
T
Tom Zanussi 已提交
685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700
		if (!ext) {
			fprintf(stderr, "invalid script extension");
			return -1;
		}
		scripting_ops = script_spec__lookup(++ext);
		if (!scripting_ops) {
			fprintf(stderr, "invalid script extension");
			return -1;
		}
	}

	script_name = strdup(script);

	return 0;
}

701 702 703 704 705
static int parse_output_fields(const struct option *opt __used,
			    const char *arg, int unset __used)
{
	char *tok;
	int i, imax = sizeof(all_output_options) / sizeof(struct output_option);
706
	int j;
707 708
	int rc = 0;
	char *str = strdup(arg);
709
	int type = -1;
710 711 712 713

	if (!str)
		return -ENOMEM;

714 715 716
	/* first word can state for which event type the user is specifying
	 * the fields. If no type exists, the specified fields apply to all
	 * event types found in the file minus the invalid fields for a type.
717
	 */
718 719 720 721 722 723 724 725 726 727
	tok = strchr(str, ':');
	if (tok) {
		*tok = '\0';
		tok++;
		if (!strcmp(str, "hw"))
			type = PERF_TYPE_HARDWARE;
		else if (!strcmp(str, "sw"))
			type = PERF_TYPE_SOFTWARE;
		else if (!strcmp(str, "trace"))
			type = PERF_TYPE_TRACEPOINT;
728 729
		else if (!strcmp(str, "raw"))
			type = PERF_TYPE_RAW;
730 731
		else {
			fprintf(stderr, "Invalid event type in field string.\n");
732 733
			rc = -EINVAL;
			goto out;
734 735 736 737 738 739 740 741
		}

		if (output[type].user_set)
			pr_warning("Overriding previous field request for %s events.\n",
				   event_type(type));

		output[type].fields = 0;
		output[type].user_set = true;
742
		output[type].wildcard_set = false;
743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758

	} else {
		tok = str;
		if (strlen(str) == 0) {
			fprintf(stderr,
				"Cannot set fields to 'none' for all event types.\n");
			rc = -EINVAL;
			goto out;
		}

		if (output_set_by_user())
			pr_warning("Overriding previous field request for all events.\n");

		for (j = 0; j < PERF_TYPE_MAX; ++j) {
			output[j].fields = 0;
			output[j].user_set = true;
759
			output[j].wildcard_set = true;
760
		}
761 762
	}

763 764
	tok = strtok(tok, ",");
	while (tok) {
765
		for (i = 0; i < imax; ++i) {
766
			if (strcmp(tok, all_output_options[i].str) == 0)
767 768 769
				break;
		}
		if (i == imax) {
770
			fprintf(stderr, "Invalid field requested.\n");
771
			rc = -EINVAL;
772
			goto out;
773 774
		}

775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797
		if (type == -1) {
			/* add user option to all events types for
			 * which it is valid
			 */
			for (j = 0; j < PERF_TYPE_MAX; ++j) {
				if (output[j].invalid_fields & all_output_options[i].field) {
					pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
						   all_output_options[i].str, event_type(j));
				} else
					output[j].fields |= all_output_options[i].field;
			}
		} else {
			if (output[type].invalid_fields & all_output_options[i].field) {
				fprintf(stderr, "\'%s\' not valid for %s events.\n",
					 all_output_options[i].str, event_type(type));

				rc = -EINVAL;
				goto out;
			}
			output[type].fields |= all_output_options[i].field;
		}

		tok = strtok(NULL, ",");
798 799
	}

800 801 802 803 804 805
	if (type >= 0) {
		if (output[type].fields == 0) {
			pr_debug("No fields requested for %s type. "
				 "Events will not be displayed.\n", event_type(type));
		}
	}
806

807
out:
808 809 810 811
	free(str);
	return rc;
}

812 813 814 815 816 817 818 819 820 821 822 823 824 825
/* Helper function for filesystems that return a dent->d_type DT_UNKNOWN */
static int is_directory(const char *base_path, const struct dirent *dent)
{
	char path[PATH_MAX];
	struct stat st;

	sprintf(path, "%s/%s", base_path, dent->d_name);
	if (stat(path, &st))
		return 0;

	return S_ISDIR(st.st_mode);
}

#define for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next)\
826 827
	while (!readdir_r(scripts_dir, &lang_dirent, &lang_next) &&	\
	       lang_next)						\
828 829 830
		if ((lang_dirent.d_type == DT_DIR ||			\
		     (lang_dirent.d_type == DT_UNKNOWN &&		\
		      is_directory(scripts_path, &lang_dirent))) &&	\
831 832 833
		    (strcmp(lang_dirent.d_name, ".")) &&		\
		    (strcmp(lang_dirent.d_name, "..")))

834
#define for_each_script(lang_path, lang_dir, script_dirent, script_next)\
835 836
	while (!readdir_r(lang_dir, &script_dirent, &script_next) &&	\
	       script_next)						\
837 838 839
		if (script_dirent.d_type != DT_DIR &&			\
		    (script_dirent.d_type != DT_UNKNOWN ||		\
		     !is_directory(lang_path, &script_dirent)))
840 841 842 843 844 845 846 847 848 849 850 851


#define RECORD_SUFFIX			"-record"
#define REPORT_SUFFIX			"-report"

struct script_desc {
	struct list_head	node;
	char			*name;
	char			*half_liner;
	char			*args;
};

852
static LIST_HEAD(script_descs);
853 854 855 856 857

static struct script_desc *script_desc__new(const char *name)
{
	struct script_desc *s = zalloc(sizeof(*s));

858
	if (s != NULL && name)
859 860 861 862 863 864 865 866
		s->name = strdup(name);

	return s;
}

static void script_desc__delete(struct script_desc *s)
{
	free(s->name);
867 868
	free(s->half_liner);
	free(s->args);
869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907
	free(s);
}

static void script_desc__add(struct script_desc *s)
{
	list_add_tail(&s->node, &script_descs);
}

static struct script_desc *script_desc__find(const char *name)
{
	struct script_desc *s;

	list_for_each_entry(s, &script_descs, node)
		if (strcasecmp(s->name, name) == 0)
			return s;
	return NULL;
}

static struct script_desc *script_desc__findnew(const char *name)
{
	struct script_desc *s = script_desc__find(name);

	if (s)
		return s;

	s = script_desc__new(name);
	if (!s)
		goto out_delete_desc;

	script_desc__add(s);

	return s;

out_delete_desc:
	script_desc__delete(s);

	return NULL;
}

908
static const char *ends_with(const char *str, const char *suffix)
909 910
{
	size_t suffix_len = strlen(suffix);
911
	const char *p = str;
912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974

	if (strlen(str) > suffix_len) {
		p = str + strlen(str) - suffix_len;
		if (!strncmp(p, suffix, suffix_len))
			return p;
	}

	return NULL;
}

static char *ltrim(char *str)
{
	int len = strlen(str);

	while (len && isspace(*str)) {
		len--;
		str++;
	}

	return str;
}

static int read_script_info(struct script_desc *desc, const char *filename)
{
	char line[BUFSIZ], *p;
	FILE *fp;

	fp = fopen(filename, "r");
	if (!fp)
		return -1;

	while (fgets(line, sizeof(line), fp)) {
		p = ltrim(line);
		if (strlen(p) == 0)
			continue;
		if (*p != '#')
			continue;
		p++;
		if (strlen(p) && *p == '!')
			continue;

		p = ltrim(p);
		if (strlen(p) && p[strlen(p) - 1] == '\n')
			p[strlen(p) - 1] = '\0';

		if (!strncmp(p, "description:", strlen("description:"))) {
			p += strlen("description:");
			desc->half_liner = strdup(ltrim(p));
			continue;
		}

		if (!strncmp(p, "args:", strlen("args:"))) {
			p += strlen("args:");
			desc->args = strdup(ltrim(p));
			continue;
		}
	}

	fclose(fp);

	return 0;
}

975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992
static char *get_script_root(struct dirent *script_dirent, const char *suffix)
{
	char *script_root, *str;

	script_root = strdup(script_dirent->d_name);
	if (!script_root)
		return NULL;

	str = (char *)ends_with(script_root, suffix);
	if (!str) {
		free(script_root);
		return NULL;
	}

	*str = '\0';
	return script_root;
}

993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010
static int list_available_scripts(const struct option *opt __used,
				  const char *s __used, int unset __used)
{
	struct dirent *script_next, *lang_next, script_dirent, lang_dirent;
	char scripts_path[MAXPATHLEN];
	DIR *scripts_dir, *lang_dir;
	char script_path[MAXPATHLEN];
	char lang_path[MAXPATHLEN];
	struct script_desc *desc;
	char first_half[BUFSIZ];
	char *script_root;

	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path());

	scripts_dir = opendir(scripts_path);
	if (!scripts_dir)
		return -1;

1011
	for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) {
1012 1013 1014 1015 1016 1017
		snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
			 lang_dirent.d_name);
		lang_dir = opendir(lang_path);
		if (!lang_dir)
			continue;

1018
		for_each_script(lang_path, lang_dir, script_dirent, script_next) {
1019 1020
			script_root = get_script_root(&script_dirent, REPORT_SUFFIX);
			if (script_root) {
1021 1022 1023 1024
				desc = script_desc__findnew(script_root);
				snprintf(script_path, MAXPATHLEN, "%s/%s",
					 lang_path, script_dirent.d_name);
				read_script_info(desc, script_path);
1025
				free(script_root);
1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040
			}
		}
	}

	fprintf(stdout, "List of available trace scripts:\n");
	list_for_each_entry(desc, &script_descs, node) {
		sprintf(first_half, "%s %s", desc->name,
			desc->args ? desc->args : "");
		fprintf(stdout, "  %-36s %s\n", first_half,
			desc->half_liner ? desc->half_liner : "");
	}

	exit(0);
}

1041 1042 1043 1044 1045 1046 1047
static char *get_script_path(const char *script_root, const char *suffix)
{
	struct dirent *script_next, *lang_next, script_dirent, lang_dirent;
	char scripts_path[MAXPATHLEN];
	char script_path[MAXPATHLEN];
	DIR *scripts_dir, *lang_dir;
	char lang_path[MAXPATHLEN];
1048
	char *__script_root;
1049 1050 1051 1052 1053 1054 1055

	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path());

	scripts_dir = opendir(scripts_path);
	if (!scripts_dir)
		return NULL;

1056
	for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) {
1057 1058 1059 1060 1061 1062
		snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
			 lang_dirent.d_name);
		lang_dir = opendir(lang_path);
		if (!lang_dir)
			continue;

1063
		for_each_script(lang_path, lang_dir, script_dirent, script_next) {
1064 1065 1066
			__script_root = get_script_root(&script_dirent, suffix);
			if (__script_root && !strcmp(script_root, __script_root)) {
				free(__script_root);
1067 1068
				closedir(lang_dir);
				closedir(scripts_dir);
1069 1070
				snprintf(script_path, MAXPATHLEN, "%s/%s",
					 lang_path, script_dirent.d_name);
1071
				return strdup(script_path);
1072 1073 1074
			}
			free(__script_root);
		}
1075
		closedir(lang_dir);
1076
	}
1077
	closedir(scripts_dir);
1078

1079
	return NULL;
1080 1081
}

1082 1083
static bool is_top_script(const char *script_path)
{
1084
	return ends_with(script_path, "top") == NULL ? false : true;
1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109
}

static int has_required_arg(char *script_path)
{
	struct script_desc *desc;
	int n_args = 0;
	char *p;

	desc = script_desc__new(NULL);

	if (read_script_info(desc, script_path))
		goto out;

	if (!desc->args)
		goto out;

	for (p = desc->args; *p; p++)
		if (*p == '<')
			n_args++;
out:
	script_desc__delete(desc);

	return n_args;
}

1110 1111 1112 1113 1114 1115
static const char * const script_usage[] = {
	"perf script [<options>]",
	"perf script [<options>] record <script> [<record-options>] <command>",
	"perf script [<options>] report <script> [script-args]",
	"perf script [<options>] <script> [<record-options>] <command>",
	"perf script [<options>] <top-script> [script-args]",
F
Frederic Weisbecker 已提交
1116 1117 1118 1119 1120 1121
	NULL
};

static const struct option options[] = {
	OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
		    "dump raw trace in ASCII"),
1122
	OPT_INCR('v', "verbose", &verbose,
F
Frederic Weisbecker 已提交
1123
		    "be more verbose (show symbol address, etc)"),
1124
	OPT_BOOLEAN('L', "Latency", &latency_format,
1125
		    "show latency attributes (irqs/preemption disabled, etc)"),
1126 1127
	OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
			   list_available_scripts),
T
Tom Zanussi 已提交
1128 1129 1130 1131
	OPT_CALLBACK('s', "script", NULL, "name",
		     "script file name (lang:script name, script name, or *)",
		     parse_scriptname),
	OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
1132
		   "generate perf-script.xx script in specified language"),
1133 1134
	OPT_STRING('i', "input", &input_name, "file",
		    "input file name"),
1135 1136
	OPT_BOOLEAN('d', "debug-mode", &debug_mode,
		   "do various checks like samples ordering and lost events"),
1137 1138 1139 1140 1141 1142 1143 1144
	OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
		   "file", "vmlinux pathname"),
	OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
		   "file", "kallsyms pathname"),
	OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
		    "When printing symbols do not display call chain"),
	OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
		    "Look for files with symbols relative to this directory"),
1145
	OPT_CALLBACK('f', "fields", NULL, "str",
1146 1147 1148 1149
		     "comma separated output fields prepend with 'type:'. "
		     "Valid types: hw,sw,trace,raw. "
		     "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
		     "addr,symoff",
1150
		     parse_output_fields),
1151 1152
	OPT_BOOLEAN('a', "all-cpus", &system_wide,
		     "system-wide collection from all CPUs"),
1153
	OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
1154 1155
	OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
		   "only display events for these comms"),
1156 1157
	OPT_BOOLEAN('I', "show-info", &show_full_info,
		    "display extended information from perf.data file"),
1158
	OPT_END()
F
Frederic Weisbecker 已提交
1159 1160
};

1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174
static bool have_cmd(int argc, const char **argv)
{
	char **__argv = malloc(sizeof(const char *) * argc);

	if (!__argv)
		die("malloc");
	memcpy(__argv, argv, sizeof(const char *) * argc);
	argc = parse_options(argc, (const char **)__argv, record_options,
			     NULL, PARSE_OPT_STOP_AT_NON_OPTION);
	free(__argv);

	return argc != 0;
}

1175
int cmd_script(int argc, const char **argv, const char *prefix __used)
F
Frederic Weisbecker 已提交
1176
{
1177 1178
	char *rec_script_path = NULL;
	char *rep_script_path = NULL;
1179
	struct perf_session *session;
1180
	char *script_path = NULL;
1181
	const char **__argv;
1182
	int i, j, err;
1183

1184 1185
	setup_scripting();

1186
	argc = parse_options(argc, argv, options, script_usage,
1187 1188 1189 1190 1191 1192
			     PARSE_OPT_STOP_AT_NON_OPTION);

	if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
		rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
		if (!rec_script_path)
			return cmd_record(argc, argv, NULL);
1193 1194
	}

1195 1196 1197
	if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
		rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
		if (!rep_script_path) {
1198
			fprintf(stderr,
1199
				"Please specify a valid report script"
1200
				"(see 'perf script -l' for listing)\n");
1201 1202 1203 1204
			return -1;
		}
	}

1205 1206 1207
	/* make sure PERF_EXEC_PATH is set for scripts */
	perf_set_argv_exec_path(perf_exec_path());

1208
	if (argc && !script_name && !rec_script_path && !rep_script_path) {
1209
		int live_pipe[2];
1210
		int rep_args;
1211 1212
		pid_t pid;

1213 1214 1215 1216 1217
		rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
		rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);

		if (!rec_script_path && !rep_script_path) {
			fprintf(stderr, " Couldn't find script %s\n\n See perf"
1218 1219
				" script -l for available scripts.\n", argv[0]);
			usage_with_options(script_usage, options);
1220 1221
		}

1222 1223 1224 1225 1226 1227 1228 1229 1230
		if (is_top_script(argv[0])) {
			rep_args = argc - 1;
		} else {
			int rec_args;

			rep_args = has_required_arg(rep_script_path);
			rec_args = (argc - 1) - rep_args;
			if (rec_args < 0) {
				fprintf(stderr, " %s script requires options."
1231
					"\n\n See perf script -l for available "
1232
					"scripts and options.\n", argv[0]);
1233
				usage_with_options(script_usage, options);
1234
			}
1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248
		}

		if (pipe(live_pipe) < 0) {
			perror("failed to create pipe");
			exit(-1);
		}

		pid = fork();
		if (pid < 0) {
			perror("failed to fork");
			exit(-1);
		}

		if (!pid) {
1249 1250
			j = 0;

1251 1252 1253
			dup2(live_pipe[1], 1);
			close(live_pipe[0]);

1254 1255 1256
			if (is_top_script(argv[0])) {
				system_wide = true;
			} else if (!system_wide) {
1257 1258
				system_wide = !have_cmd(argc - rep_args,
							&argv[rep_args]);
1259
			}
1260 1261

			__argv = malloc((argc + 6) * sizeof(const char *));
1262 1263 1264
			if (!__argv)
				die("malloc");

1265 1266 1267 1268 1269 1270 1271 1272 1273 1274
			__argv[j++] = "/bin/sh";
			__argv[j++] = rec_script_path;
			if (system_wide)
				__argv[j++] = "-a";
			__argv[j++] = "-q";
			__argv[j++] = "-o";
			__argv[j++] = "-";
			for (i = rep_args + 1; i < argc; i++)
				__argv[j++] = argv[i];
			__argv[j++] = NULL;
1275 1276

			execvp("/bin/sh", (char **)__argv);
1277
			free(__argv);
1278 1279 1280 1281 1282 1283
			exit(-1);
		}

		dup2(live_pipe[0], 0);
		close(live_pipe[1]);

1284
		__argv = malloc((argc + 4) * sizeof(const char *));
1285 1286
		if (!__argv)
			die("malloc");
1287 1288 1289 1290 1291 1292 1293 1294
		j = 0;
		__argv[j++] = "/bin/sh";
		__argv[j++] = rep_script_path;
		for (i = 1; i < rep_args + 1; i++)
			__argv[j++] = argv[i];
		__argv[j++] = "-i";
		__argv[j++] = "-";
		__argv[j++] = NULL;
1295 1296

		execvp("/bin/sh", (char **)__argv);
1297
		free(__argv);
1298 1299 1300
		exit(-1);
	}

1301 1302 1303 1304
	if (rec_script_path)
		script_path = rec_script_path;
	if (rep_script_path)
		script_path = rep_script_path;
1305

1306 1307
	if (script_path) {
		j = 0;
1308

1309 1310 1311
		if (!rec_script_path)
			system_wide = false;
		else if (!system_wide)
1312
			system_wide = !have_cmd(argc - 1, &argv[1]);
1313

1314
		__argv = malloc((argc + 2) * sizeof(const char *));
1315 1316
		if (!__argv)
			die("malloc");
1317 1318 1319 1320
		__argv[j++] = "/bin/sh";
		__argv[j++] = script_path;
		if (system_wide)
			__argv[j++] = "-a";
1321
		for (i = 2; i < argc; i++)
1322 1323
			__argv[j++] = argv[i];
		__argv[j++] = NULL;
1324 1325

		execvp("/bin/sh", (char **)__argv);
1326
		free(__argv);
1327 1328
		exit(-1);
	}
T
Tom Zanussi 已提交
1329

1330 1331
	if (symbol__init() < 0)
		return -1;
1332 1333
	if (!script_name)
		setup_pager();
F
Frederic Weisbecker 已提交
1334

1335
	session = perf_session__new(input_name, O_RDONLY, 0, false, &perf_script);
1336 1337 1338
	if (session == NULL)
		return -ENOMEM;

1339 1340 1341 1342 1343
	if (cpu_list) {
		if (perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap))
			return -1;
	}

1344 1345
	perf_session__fprintf_info(session, stdout, show_full_info);

1346
	if (!no_callchain)
1347 1348 1349 1350
		symbol_conf.use_callchain = true;
	else
		symbol_conf.use_callchain = false;

T
Tom Zanussi 已提交
1351 1352
	if (generate_script_lang) {
		struct stat perf_stat;
1353 1354
		int input;

1355
		if (output_set_by_user()) {
1356 1357 1358 1359
			fprintf(stderr,
				"custom fields not supported for generated scripts");
			return -1;
		}
T
Tom Zanussi 已提交
1360

1361
		input = open(session->filename, O_RDONLY);	/* input_name */
T
Tom Zanussi 已提交
1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383
		if (input < 0) {
			perror("failed to open file");
			exit(-1);
		}

		err = fstat(input, &perf_stat);
		if (err < 0) {
			perror("failed to stat file");
			exit(-1);
		}

		if (!perf_stat.st_size) {
			fprintf(stderr, "zero-sized file, nothing to do!\n");
			exit(0);
		}

		scripting_ops = script_spec__lookup(generate_script_lang);
		if (!scripting_ops) {
			fprintf(stderr, "invalid language specifier");
			return -1;
		}

1384
		err = scripting_ops->generate_script("perf-script");
T
Tom Zanussi 已提交
1385 1386 1387 1388
		goto out;
	}

	if (script_name) {
1389
		err = scripting_ops->start_script(script_name, argc, argv);
T
Tom Zanussi 已提交
1390 1391
		if (err)
			goto out;
1392
		pr_debug("perf script started with script %s\n\n", script_name);
T
Tom Zanussi 已提交
1393 1394
	}

1395 1396 1397 1398 1399

	err = perf_session__check_output_opt(session);
	if (err < 0)
		goto out;

1400
	err = __cmd_script(session);
T
Tom Zanussi 已提交
1401

1402
	perf_session__delete(session);
T
Tom Zanussi 已提交
1403 1404 1405
	cleanup_scripting();
out:
	return err;
F
Frederic Weisbecker 已提交
1406
}