xref: /openbmc/linux/tools/perf/builtin-script.c (revision 590b516e)
1 // SPDX-License-Identifier: GPL-2.0
2 #include "builtin.h"
3 
4 #include "perf.h"
5 #include "util/cache.h"
6 #include "util/debug.h"
7 #include <subcmd/exec-cmd.h>
8 #include "util/header.h"
9 #include <subcmd/parse-options.h>
10 #include "util/perf_regs.h"
11 #include "util/session.h"
12 #include "util/tool.h"
13 #include "util/symbol.h"
14 #include "util/thread.h"
15 #include "util/trace-event.h"
16 #include "util/util.h"
17 #include "util/evlist.h"
18 #include "util/evsel.h"
19 #include "util/sort.h"
20 #include "util/data.h"
21 #include "util/auxtrace.h"
22 #include "util/cpumap.h"
23 #include "util/thread_map.h"
24 #include "util/stat.h"
25 #include "util/color.h"
26 #include "util/string2.h"
27 #include "util/thread-stack.h"
28 #include "util/time-utils.h"
29 #include "util/path.h"
30 #include "print_binary.h"
31 #include <linux/bitmap.h>
32 #include <linux/kernel.h>
33 #include <linux/stringify.h>
34 #include <linux/time64.h>
35 #include "asm/bug.h"
36 #include "util/mem-events.h"
37 #include "util/dump-insn.h"
38 #include <dirent.h>
39 #include <errno.h>
40 #include <inttypes.h>
41 #include <signal.h>
42 #include <sys/param.h>
43 #include <sys/types.h>
44 #include <sys/stat.h>
45 #include <fcntl.h>
46 #include <unistd.h>
47 
48 #include "sane_ctype.h"
49 
50 static char const		*script_name;
51 static char const		*generate_script_lang;
52 static bool			debug_mode;
53 static u64			last_timestamp;
54 static u64			nr_unordered;
55 static bool			no_callchain;
56 static bool			latency_format;
57 static bool			system_wide;
58 static bool			print_flags;
59 static bool			nanosecs;
60 static const char		*cpu_list;
61 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
62 static struct perf_stat_config	stat_config;
63 static int			max_blocks;
64 
65 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
66 
67 enum perf_output_field {
68 	PERF_OUTPUT_COMM            = 1U << 0,
69 	PERF_OUTPUT_TID             = 1U << 1,
70 	PERF_OUTPUT_PID             = 1U << 2,
71 	PERF_OUTPUT_TIME            = 1U << 3,
72 	PERF_OUTPUT_CPU             = 1U << 4,
73 	PERF_OUTPUT_EVNAME          = 1U << 5,
74 	PERF_OUTPUT_TRACE           = 1U << 6,
75 	PERF_OUTPUT_IP              = 1U << 7,
76 	PERF_OUTPUT_SYM             = 1U << 8,
77 	PERF_OUTPUT_DSO             = 1U << 9,
78 	PERF_OUTPUT_ADDR            = 1U << 10,
79 	PERF_OUTPUT_SYMOFFSET       = 1U << 11,
80 	PERF_OUTPUT_SRCLINE         = 1U << 12,
81 	PERF_OUTPUT_PERIOD          = 1U << 13,
82 	PERF_OUTPUT_IREGS	    = 1U << 14,
83 	PERF_OUTPUT_BRSTACK	    = 1U << 15,
84 	PERF_OUTPUT_BRSTACKSYM	    = 1U << 16,
85 	PERF_OUTPUT_DATA_SRC	    = 1U << 17,
86 	PERF_OUTPUT_WEIGHT	    = 1U << 18,
87 	PERF_OUTPUT_BPF_OUTPUT	    = 1U << 19,
88 	PERF_OUTPUT_CALLINDENT	    = 1U << 20,
89 	PERF_OUTPUT_INSN	    = 1U << 21,
90 	PERF_OUTPUT_INSNLEN	    = 1U << 22,
91 	PERF_OUTPUT_BRSTACKINSN	    = 1U << 23,
92 	PERF_OUTPUT_BRSTACKOFF	    = 1U << 24,
93 	PERF_OUTPUT_SYNTH           = 1U << 25,
94 	PERF_OUTPUT_PHYS_ADDR       = 1U << 26,
95 	PERF_OUTPUT_UREGS	    = 1U << 27,
96 	PERF_OUTPUT_METRIC	    = 1U << 28,
97 	PERF_OUTPUT_MISC            = 1U << 29,
98 };
99 
100 struct output_option {
101 	const char *str;
102 	enum perf_output_field field;
103 } all_output_options[] = {
104 	{.str = "comm",  .field = PERF_OUTPUT_COMM},
105 	{.str = "tid",   .field = PERF_OUTPUT_TID},
106 	{.str = "pid",   .field = PERF_OUTPUT_PID},
107 	{.str = "time",  .field = PERF_OUTPUT_TIME},
108 	{.str = "cpu",   .field = PERF_OUTPUT_CPU},
109 	{.str = "event", .field = PERF_OUTPUT_EVNAME},
110 	{.str = "trace", .field = PERF_OUTPUT_TRACE},
111 	{.str = "ip",    .field = PERF_OUTPUT_IP},
112 	{.str = "sym",   .field = PERF_OUTPUT_SYM},
113 	{.str = "dso",   .field = PERF_OUTPUT_DSO},
114 	{.str = "addr",  .field = PERF_OUTPUT_ADDR},
115 	{.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
116 	{.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
117 	{.str = "period", .field = PERF_OUTPUT_PERIOD},
118 	{.str = "iregs", .field = PERF_OUTPUT_IREGS},
119 	{.str = "uregs", .field = PERF_OUTPUT_UREGS},
120 	{.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
121 	{.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
122 	{.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
123 	{.str = "weight",   .field = PERF_OUTPUT_WEIGHT},
124 	{.str = "bpf-output",   .field = PERF_OUTPUT_BPF_OUTPUT},
125 	{.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
126 	{.str = "insn", .field = PERF_OUTPUT_INSN},
127 	{.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
128 	{.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
129 	{.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
130 	{.str = "synth", .field = PERF_OUTPUT_SYNTH},
131 	{.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
132 	{.str = "metric", .field = PERF_OUTPUT_METRIC},
133 	{.str = "misc", .field = PERF_OUTPUT_MISC},
134 };
135 
136 enum {
137 	OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
138 	OUTPUT_TYPE_MAX
139 };
140 
141 /* default set to maintain compatibility with current format */
142 static struct {
143 	bool user_set;
144 	bool wildcard_set;
145 	unsigned int print_ip_opts;
146 	u64 fields;
147 	u64 invalid_fields;
148 } output[OUTPUT_TYPE_MAX] = {
149 
150 	[PERF_TYPE_HARDWARE] = {
151 		.user_set = false,
152 
153 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
154 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
155 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
156 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
157 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
158 
159 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
160 	},
161 
162 	[PERF_TYPE_SOFTWARE] = {
163 		.user_set = false,
164 
165 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
166 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
167 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
168 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
169 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
170 			      PERF_OUTPUT_BPF_OUTPUT,
171 
172 		.invalid_fields = PERF_OUTPUT_TRACE,
173 	},
174 
175 	[PERF_TYPE_TRACEPOINT] = {
176 		.user_set = false,
177 
178 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
179 				  PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
180 				  PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
181 	},
182 
183 	[PERF_TYPE_HW_CACHE] = {
184 		.user_set = false,
185 
186 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
187 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
188 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
189 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
190 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
191 
192 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
193 	},
194 
195 	[PERF_TYPE_RAW] = {
196 		.user_set = false,
197 
198 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
199 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
200 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
201 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
202 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
203 			      PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
204 			      PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR,
205 
206 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
207 	},
208 
209 	[PERF_TYPE_BREAKPOINT] = {
210 		.user_set = false,
211 
212 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
213 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
214 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
215 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
216 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
217 
218 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
219 	},
220 
221 	[OUTPUT_TYPE_SYNTH] = {
222 		.user_set = false,
223 
224 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
225 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
226 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
227 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
228 			      PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH,
229 
230 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
231 	},
232 };
233 
234 struct perf_evsel_script {
235        char *filename;
236        FILE *fp;
237        u64  samples;
238        /* For metric output */
239        u64  val;
240        int  gnum;
241 };
242 
243 static inline struct perf_evsel_script *evsel_script(struct perf_evsel *evsel)
244 {
245 	return (struct perf_evsel_script *)evsel->priv;
246 }
247 
248 static struct perf_evsel_script *perf_evsel_script__new(struct perf_evsel *evsel,
249 							struct perf_data *data)
250 {
251 	struct perf_evsel_script *es = zalloc(sizeof(*es));
252 
253 	if (es != NULL) {
254 		if (asprintf(&es->filename, "%s.%s.dump", data->file.path, perf_evsel__name(evsel)) < 0)
255 			goto out_free;
256 		es->fp = fopen(es->filename, "w");
257 		if (es->fp == NULL)
258 			goto out_free_filename;
259 	}
260 
261 	return es;
262 out_free_filename:
263 	zfree(&es->filename);
264 out_free:
265 	free(es);
266 	return NULL;
267 }
268 
269 static void perf_evsel_script__delete(struct perf_evsel_script *es)
270 {
271 	zfree(&es->filename);
272 	fclose(es->fp);
273 	es->fp = NULL;
274 	free(es);
275 }
276 
277 static int perf_evsel_script__fprintf(struct perf_evsel_script *es, FILE *fp)
278 {
279 	struct stat st;
280 
281 	fstat(fileno(es->fp), &st);
282 	return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
283 		       st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
284 }
285 
286 static inline int output_type(unsigned int type)
287 {
288 	switch (type) {
289 	case PERF_TYPE_SYNTH:
290 		return OUTPUT_TYPE_SYNTH;
291 	default:
292 		return type;
293 	}
294 }
295 
296 static inline unsigned int attr_type(unsigned int type)
297 {
298 	switch (type) {
299 	case OUTPUT_TYPE_SYNTH:
300 		return PERF_TYPE_SYNTH;
301 	default:
302 		return type;
303 	}
304 }
305 
306 static bool output_set_by_user(void)
307 {
308 	int j;
309 	for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
310 		if (output[j].user_set)
311 			return true;
312 	}
313 	return false;
314 }
315 
316 static const char *output_field2str(enum perf_output_field field)
317 {
318 	int i, imax = ARRAY_SIZE(all_output_options);
319 	const char *str = "";
320 
321 	for (i = 0; i < imax; ++i) {
322 		if (all_output_options[i].field == field) {
323 			str = all_output_options[i].str;
324 			break;
325 		}
326 	}
327 	return str;
328 }
329 
330 #define PRINT_FIELD(x)  (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
331 
332 static int perf_evsel__do_check_stype(struct perf_evsel *evsel,
333 				      u64 sample_type, const char *sample_msg,
334 				      enum perf_output_field field,
335 				      bool allow_user_set)
336 {
337 	struct perf_event_attr *attr = &evsel->attr;
338 	int type = output_type(attr->type);
339 	const char *evname;
340 
341 	if (attr->sample_type & sample_type)
342 		return 0;
343 
344 	if (output[type].user_set) {
345 		if (allow_user_set)
346 			return 0;
347 		evname = perf_evsel__name(evsel);
348 		pr_err("Samples for '%s' event do not have %s attribute set. "
349 		       "Cannot print '%s' field.\n",
350 		       evname, sample_msg, output_field2str(field));
351 		return -1;
352 	}
353 
354 	/* user did not ask for it explicitly so remove from the default list */
355 	output[type].fields &= ~field;
356 	evname = perf_evsel__name(evsel);
357 	pr_debug("Samples for '%s' event do not have %s attribute set. "
358 		 "Skipping '%s' field.\n",
359 		 evname, sample_msg, output_field2str(field));
360 
361 	return 0;
362 }
363 
364 static int perf_evsel__check_stype(struct perf_evsel *evsel,
365 				   u64 sample_type, const char *sample_msg,
366 				   enum perf_output_field field)
367 {
368 	return perf_evsel__do_check_stype(evsel, sample_type, sample_msg, field,
369 					  false);
370 }
371 
372 static int perf_evsel__check_attr(struct perf_evsel *evsel,
373 				  struct perf_session *session)
374 {
375 	struct perf_event_attr *attr = &evsel->attr;
376 	bool allow_user_set;
377 
378 	if (perf_header__has_feat(&session->header, HEADER_STAT))
379 		return 0;
380 
381 	allow_user_set = perf_header__has_feat(&session->header,
382 					       HEADER_AUXTRACE);
383 
384 	if (PRINT_FIELD(TRACE) &&
385 		!perf_session__has_traces(session, "record -R"))
386 		return -EINVAL;
387 
388 	if (PRINT_FIELD(IP)) {
389 		if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP",
390 					    PERF_OUTPUT_IP))
391 			return -EINVAL;
392 	}
393 
394 	if (PRINT_FIELD(ADDR) &&
395 		perf_evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR",
396 					   PERF_OUTPUT_ADDR, allow_user_set))
397 		return -EINVAL;
398 
399 	if (PRINT_FIELD(DATA_SRC) &&
400 		perf_evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC",
401 					PERF_OUTPUT_DATA_SRC))
402 		return -EINVAL;
403 
404 	if (PRINT_FIELD(WEIGHT) &&
405 		perf_evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT",
406 					PERF_OUTPUT_WEIGHT))
407 		return -EINVAL;
408 
409 	if (PRINT_FIELD(SYM) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) {
410 		pr_err("Display of symbols requested but neither sample IP nor "
411 			   "sample address\nis selected. Hence, no addresses to convert "
412 		       "to symbols.\n");
413 		return -EINVAL;
414 	}
415 	if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
416 		pr_err("Display of offsets requested but symbol is not"
417 		       "selected.\n");
418 		return -EINVAL;
419 	}
420 	if (PRINT_FIELD(DSO) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR) &&
421 	    !PRINT_FIELD(BRSTACK) && !PRINT_FIELD(BRSTACKSYM) && !PRINT_FIELD(BRSTACKOFF)) {
422 		pr_err("Display of DSO requested but no address to convert.  Select\n"
423 		       "sample IP, sample address, brstack, brstacksym, or brstackoff.\n");
424 		return -EINVAL;
425 	}
426 	if (PRINT_FIELD(SRCLINE) && !PRINT_FIELD(IP)) {
427 		pr_err("Display of source line number requested but sample IP is not\n"
428 		       "selected. Hence, no address to lookup the source line number.\n");
429 		return -EINVAL;
430 	}
431 	if (PRINT_FIELD(BRSTACKINSN) &&
432 	    !(perf_evlist__combined_branch_type(session->evlist) &
433 	      PERF_SAMPLE_BRANCH_ANY)) {
434 		pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
435 		       "Hint: run 'perf record -b ...'\n");
436 		return -EINVAL;
437 	}
438 	if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
439 		perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID",
440 					PERF_OUTPUT_TID|PERF_OUTPUT_PID))
441 		return -EINVAL;
442 
443 	if (PRINT_FIELD(TIME) &&
444 		perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME",
445 					PERF_OUTPUT_TIME))
446 		return -EINVAL;
447 
448 	if (PRINT_FIELD(CPU) &&
449 		perf_evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU",
450 					   PERF_OUTPUT_CPU, allow_user_set))
451 		return -EINVAL;
452 
453 	if (PRINT_FIELD(IREGS) &&
454 		perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS",
455 					PERF_OUTPUT_IREGS))
456 		return -EINVAL;
457 
458 	if (PRINT_FIELD(UREGS) &&
459 		perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS",
460 					PERF_OUTPUT_UREGS))
461 		return -EINVAL;
462 
463 	if (PRINT_FIELD(PHYS_ADDR) &&
464 		perf_evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR",
465 					PERF_OUTPUT_PHYS_ADDR))
466 		return -EINVAL;
467 
468 	return 0;
469 }
470 
471 static void set_print_ip_opts(struct perf_event_attr *attr)
472 {
473 	unsigned int type = output_type(attr->type);
474 
475 	output[type].print_ip_opts = 0;
476 	if (PRINT_FIELD(IP))
477 		output[type].print_ip_opts |= EVSEL__PRINT_IP;
478 
479 	if (PRINT_FIELD(SYM))
480 		output[type].print_ip_opts |= EVSEL__PRINT_SYM;
481 
482 	if (PRINT_FIELD(DSO))
483 		output[type].print_ip_opts |= EVSEL__PRINT_DSO;
484 
485 	if (PRINT_FIELD(SYMOFFSET))
486 		output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
487 
488 	if (PRINT_FIELD(SRCLINE))
489 		output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
490 }
491 
492 /*
493  * verify all user requested events exist and the samples
494  * have the expected data
495  */
496 static int perf_session__check_output_opt(struct perf_session *session)
497 {
498 	unsigned int j;
499 	struct perf_evsel *evsel;
500 
501 	for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
502 		evsel = perf_session__find_first_evtype(session, attr_type(j));
503 
504 		/*
505 		 * even if fields is set to 0 (ie., show nothing) event must
506 		 * exist if user explicitly includes it on the command line
507 		 */
508 		if (!evsel && output[j].user_set && !output[j].wildcard_set &&
509 		    j != OUTPUT_TYPE_SYNTH) {
510 			pr_err("%s events do not exist. "
511 			       "Remove corresponding -F option to proceed.\n",
512 			       event_type(j));
513 			return -1;
514 		}
515 
516 		if (evsel && output[j].fields &&
517 			perf_evsel__check_attr(evsel, session))
518 			return -1;
519 
520 		if (evsel == NULL)
521 			continue;
522 
523 		set_print_ip_opts(&evsel->attr);
524 	}
525 
526 	if (!no_callchain) {
527 		bool use_callchain = false;
528 		bool not_pipe = false;
529 
530 		evlist__for_each_entry(session->evlist, evsel) {
531 			not_pipe = true;
532 			if (evsel__has_callchain(evsel)) {
533 				use_callchain = true;
534 				break;
535 			}
536 		}
537 		if (not_pipe && !use_callchain)
538 			symbol_conf.use_callchain = false;
539 	}
540 
541 	/*
542 	 * set default for tracepoints to print symbols only
543 	 * if callchains are present
544 	 */
545 	if (symbol_conf.use_callchain &&
546 	    !output[PERF_TYPE_TRACEPOINT].user_set) {
547 		j = PERF_TYPE_TRACEPOINT;
548 
549 		evlist__for_each_entry(session->evlist, evsel) {
550 			if (evsel->attr.type != j)
551 				continue;
552 
553 			if (evsel__has_callchain(evsel)) {
554 				output[j].fields |= PERF_OUTPUT_IP;
555 				output[j].fields |= PERF_OUTPUT_SYM;
556 				output[j].fields |= PERF_OUTPUT_SYMOFFSET;
557 				output[j].fields |= PERF_OUTPUT_DSO;
558 				set_print_ip_opts(&evsel->attr);
559 				goto out;
560 			}
561 		}
562 	}
563 
564 out:
565 	return 0;
566 }
567 
568 static int perf_sample__fprintf_iregs(struct perf_sample *sample,
569 				      struct perf_event_attr *attr, FILE *fp)
570 {
571 	struct regs_dump *regs = &sample->intr_regs;
572 	uint64_t mask = attr->sample_regs_intr;
573 	unsigned i = 0, r;
574 	int printed = 0;
575 
576 	if (!regs)
577 		return 0;
578 
579 	for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
580 		u64 val = regs->regs[i++];
581 		printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
582 	}
583 
584 	return printed;
585 }
586 
587 static int perf_sample__fprintf_uregs(struct perf_sample *sample,
588 				      struct perf_event_attr *attr, FILE *fp)
589 {
590 	struct regs_dump *regs = &sample->user_regs;
591 	uint64_t mask = attr->sample_regs_user;
592 	unsigned i = 0, r;
593 	int printed = 0;
594 
595 	if (!regs || !regs->regs)
596 		return 0;
597 
598 	printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
599 
600 	for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
601 		u64 val = regs->regs[i++];
602 		printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
603 	}
604 
605 	return printed;
606 }
607 
608 static int perf_sample__fprintf_start(struct perf_sample *sample,
609 				      struct thread *thread,
610 				      struct perf_evsel *evsel,
611 				      u32 type, FILE *fp)
612 {
613 	struct perf_event_attr *attr = &evsel->attr;
614 	unsigned long secs;
615 	unsigned long long nsecs;
616 	int printed = 0;
617 
618 	if (PRINT_FIELD(COMM)) {
619 		if (latency_format)
620 			printed += fprintf(fp, "%8.8s ", thread__comm_str(thread));
621 		else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
622 			printed += fprintf(fp, "%s ", thread__comm_str(thread));
623 		else
624 			printed += fprintf(fp, "%16s ", thread__comm_str(thread));
625 	}
626 
627 	if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
628 		printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid);
629 	else if (PRINT_FIELD(PID))
630 		printed += fprintf(fp, "%5d ", sample->pid);
631 	else if (PRINT_FIELD(TID))
632 		printed += fprintf(fp, "%5d ", sample->tid);
633 
634 	if (PRINT_FIELD(CPU)) {
635 		if (latency_format)
636 			printed += fprintf(fp, "%3d ", sample->cpu);
637 		else
638 			printed += fprintf(fp, "[%03d] ", sample->cpu);
639 	}
640 
641 	if (PRINT_FIELD(MISC)) {
642 		int ret = 0;
643 
644 		#define has(m) \
645 			(sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
646 
647 		if (has(KERNEL))
648 			ret += fprintf(fp, "K");
649 		if (has(USER))
650 			ret += fprintf(fp, "U");
651 		if (has(HYPERVISOR))
652 			ret += fprintf(fp, "H");
653 		if (has(GUEST_KERNEL))
654 			ret += fprintf(fp, "G");
655 		if (has(GUEST_USER))
656 			ret += fprintf(fp, "g");
657 
658 		switch (type) {
659 		case PERF_RECORD_MMAP:
660 		case PERF_RECORD_MMAP2:
661 			if (has(MMAP_DATA))
662 				ret += fprintf(fp, "M");
663 			break;
664 		case PERF_RECORD_COMM:
665 			if (has(COMM_EXEC))
666 				ret += fprintf(fp, "E");
667 			break;
668 		case PERF_RECORD_SWITCH:
669 		case PERF_RECORD_SWITCH_CPU_WIDE:
670 			if (has(SWITCH_OUT)) {
671 				ret += fprintf(fp, "S");
672 				if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
673 					ret += fprintf(fp, "p");
674 			}
675 		default:
676 			break;
677 		}
678 
679 		#undef has
680 
681 		ret += fprintf(fp, "%*s", 6 - ret, " ");
682 		printed += ret;
683 	}
684 
685 	if (PRINT_FIELD(TIME)) {
686 		nsecs = sample->time;
687 		secs = nsecs / NSEC_PER_SEC;
688 		nsecs -= secs * NSEC_PER_SEC;
689 
690 		if (nanosecs)
691 			printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
692 		else {
693 			char sample_time[32];
694 			timestamp__scnprintf_usec(sample->time, sample_time, sizeof(sample_time));
695 			printed += fprintf(fp, "%12s: ", sample_time);
696 		}
697 	}
698 
699 	return printed;
700 }
701 
702 static inline char
703 mispred_str(struct branch_entry *br)
704 {
705 	if (!(br->flags.mispred  || br->flags.predicted))
706 		return '-';
707 
708 	return br->flags.predicted ? 'P' : 'M';
709 }
710 
711 static int perf_sample__fprintf_brstack(struct perf_sample *sample,
712 					struct thread *thread,
713 					struct perf_event_attr *attr, FILE *fp)
714 {
715 	struct branch_stack *br = sample->branch_stack;
716 	struct addr_location alf, alt;
717 	u64 i, from, to;
718 	int printed = 0;
719 
720 	if (!(br && br->nr))
721 		return 0;
722 
723 	for (i = 0; i < br->nr; i++) {
724 		from = br->entries[i].from;
725 		to   = br->entries[i].to;
726 
727 		if (PRINT_FIELD(DSO)) {
728 			memset(&alf, 0, sizeof(alf));
729 			memset(&alt, 0, sizeof(alt));
730 			thread__find_map(thread, sample->cpumode, from, &alf);
731 			thread__find_map(thread, sample->cpumode, to, &alt);
732 		}
733 
734 		printed += fprintf(fp, " 0x%"PRIx64, from);
735 		if (PRINT_FIELD(DSO)) {
736 			printed += fprintf(fp, "(");
737 			printed += map__fprintf_dsoname(alf.map, fp);
738 			printed += fprintf(fp, ")");
739 		}
740 
741 		printed += fprintf(fp, "/0x%"PRIx64, to);
742 		if (PRINT_FIELD(DSO)) {
743 			printed += fprintf(fp, "(");
744 			printed += map__fprintf_dsoname(alt.map, fp);
745 			printed += fprintf(fp, ")");
746 		}
747 
748 		printed += fprintf(fp, "/%c/%c/%c/%d ",
749 			mispred_str( br->entries + i),
750 			br->entries[i].flags.in_tx? 'X' : '-',
751 			br->entries[i].flags.abort? 'A' : '-',
752 			br->entries[i].flags.cycles);
753 	}
754 
755 	return printed;
756 }
757 
758 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
759 					   struct thread *thread,
760 					   struct perf_event_attr *attr, FILE *fp)
761 {
762 	struct branch_stack *br = sample->branch_stack;
763 	struct addr_location alf, alt;
764 	u64 i, from, to;
765 	int printed = 0;
766 
767 	if (!(br && br->nr))
768 		return 0;
769 
770 	for (i = 0; i < br->nr; i++) {
771 
772 		memset(&alf, 0, sizeof(alf));
773 		memset(&alt, 0, sizeof(alt));
774 		from = br->entries[i].from;
775 		to   = br->entries[i].to;
776 
777 		thread__find_symbol(thread, sample->cpumode, from, &alf);
778 		thread__find_symbol(thread, sample->cpumode, to, &alt);
779 
780 		printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
781 		if (PRINT_FIELD(DSO)) {
782 			printed += fprintf(fp, "(");
783 			printed += map__fprintf_dsoname(alf.map, fp);
784 			printed += fprintf(fp, ")");
785 		}
786 		printed += fprintf(fp, "%c", '/');
787 		printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
788 		if (PRINT_FIELD(DSO)) {
789 			printed += fprintf(fp, "(");
790 			printed += map__fprintf_dsoname(alt.map, fp);
791 			printed += fprintf(fp, ")");
792 		}
793 		printed += fprintf(fp, "/%c/%c/%c/%d ",
794 			mispred_str( br->entries + i),
795 			br->entries[i].flags.in_tx? 'X' : '-',
796 			br->entries[i].flags.abort? 'A' : '-',
797 			br->entries[i].flags.cycles);
798 	}
799 
800 	return printed;
801 }
802 
803 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
804 					   struct thread *thread,
805 					   struct perf_event_attr *attr, FILE *fp)
806 {
807 	struct branch_stack *br = sample->branch_stack;
808 	struct addr_location alf, alt;
809 	u64 i, from, to;
810 	int printed = 0;
811 
812 	if (!(br && br->nr))
813 		return 0;
814 
815 	for (i = 0; i < br->nr; i++) {
816 
817 		memset(&alf, 0, sizeof(alf));
818 		memset(&alt, 0, sizeof(alt));
819 		from = br->entries[i].from;
820 		to   = br->entries[i].to;
821 
822 		if (thread__find_map(thread, sample->cpumode, from, &alf) &&
823 		    !alf.map->dso->adjust_symbols)
824 			from = map__map_ip(alf.map, from);
825 
826 		if (thread__find_map(thread, sample->cpumode, to, &alt) &&
827 		    !alt.map->dso->adjust_symbols)
828 			to = map__map_ip(alt.map, to);
829 
830 		printed += fprintf(fp, " 0x%"PRIx64, from);
831 		if (PRINT_FIELD(DSO)) {
832 			printed += fprintf(fp, "(");
833 			printed += map__fprintf_dsoname(alf.map, fp);
834 			printed += fprintf(fp, ")");
835 		}
836 		printed += fprintf(fp, "/0x%"PRIx64, to);
837 		if (PRINT_FIELD(DSO)) {
838 			printed += fprintf(fp, "(");
839 			printed += map__fprintf_dsoname(alt.map, fp);
840 			printed += fprintf(fp, ")");
841 		}
842 		printed += fprintf(fp, "/%c/%c/%c/%d ",
843 			mispred_str(br->entries + i),
844 			br->entries[i].flags.in_tx ? 'X' : '-',
845 			br->entries[i].flags.abort ? 'A' : '-',
846 			br->entries[i].flags.cycles);
847 	}
848 
849 	return printed;
850 }
851 #define MAXBB 16384UL
852 
853 static int grab_bb(u8 *buffer, u64 start, u64 end,
854 		    struct machine *machine, struct thread *thread,
855 		    bool *is64bit, u8 *cpumode, bool last)
856 {
857 	long offset, len;
858 	struct addr_location al;
859 	bool kernel;
860 
861 	if (!start || !end)
862 		return 0;
863 
864 	kernel = machine__kernel_ip(machine, start);
865 	if (kernel)
866 		*cpumode = PERF_RECORD_MISC_KERNEL;
867 	else
868 		*cpumode = PERF_RECORD_MISC_USER;
869 
870 	/*
871 	 * Block overlaps between kernel and user.
872 	 * This can happen due to ring filtering
873 	 * On Intel CPUs the entry into the kernel is filtered,
874 	 * but the exit is not. Let the caller patch it up.
875 	 */
876 	if (kernel != machine__kernel_ip(machine, end)) {
877 		pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
878 		return -ENXIO;
879 	}
880 
881 	memset(&al, 0, sizeof(al));
882 	if (end - start > MAXBB - MAXINSN) {
883 		if (last)
884 			pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
885 		else
886 			pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
887 		return 0;
888 	}
889 
890 	if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) {
891 		pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
892 		return 0;
893 	}
894 	if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
895 		pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
896 		return 0;
897 	}
898 
899 	/* Load maps to ensure dso->is_64_bit has been updated */
900 	map__load(al.map);
901 
902 	offset = al.map->map_ip(al.map, start);
903 	len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer,
904 				    end - start + MAXINSN);
905 
906 	*is64bit = al.map->dso->is_64_bit;
907 	if (len <= 0)
908 		pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
909 			start, end);
910 	return len;
911 }
912 
913 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
914 			    struct perf_insn *x, u8 *inbuf, int len,
915 			    int insn, FILE *fp)
916 {
917 	int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip,
918 			      dump_insn(x, ip, inbuf, len, NULL),
919 			      en->flags.predicted ? " PRED" : "",
920 			      en->flags.mispred ? " MISPRED" : "",
921 			      en->flags.in_tx ? " INTX" : "",
922 			      en->flags.abort ? " ABORT" : "");
923 	if (en->flags.cycles) {
924 		printed += fprintf(fp, " %d cycles", en->flags.cycles);
925 		if (insn)
926 			printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
927 	}
928 	return printed + fprintf(fp, "\n");
929 }
930 
931 static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
932 			   u8 cpumode, int cpu, struct symbol **lastsym,
933 			   struct perf_event_attr *attr, FILE *fp)
934 {
935 	struct addr_location al;
936 	int off, printed = 0;
937 
938 	memset(&al, 0, sizeof(al));
939 
940 	thread__find_map(thread, cpumode, addr, &al);
941 
942 	if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
943 		return 0;
944 
945 	al.cpu = cpu;
946 	al.sym = NULL;
947 	if (al.map)
948 		al.sym = map__find_symbol(al.map, al.addr);
949 
950 	if (!al.sym)
951 		return 0;
952 
953 	if (al.addr < al.sym->end)
954 		off = al.addr - al.sym->start;
955 	else
956 		off = al.addr - al.map->start - al.sym->start;
957 	printed += fprintf(fp, "\t%s", al.sym->name);
958 	if (off)
959 		printed += fprintf(fp, "%+d", off);
960 	printed += fprintf(fp, ":");
961 	if (PRINT_FIELD(SRCLINE))
962 		printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
963 	printed += fprintf(fp, "\n");
964 	*lastsym = al.sym;
965 
966 	return printed;
967 }
968 
969 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
970 					    struct thread *thread,
971 					    struct perf_event_attr *attr,
972 					    struct machine *machine, FILE *fp)
973 {
974 	struct branch_stack *br = sample->branch_stack;
975 	u64 start, end;
976 	int i, insn, len, nr, ilen, printed = 0;
977 	struct perf_insn x;
978 	u8 buffer[MAXBB];
979 	unsigned off;
980 	struct symbol *lastsym = NULL;
981 
982 	if (!(br && br->nr))
983 		return 0;
984 	nr = br->nr;
985 	if (max_blocks && nr > max_blocks + 1)
986 		nr = max_blocks + 1;
987 
988 	x.thread = thread;
989 	x.cpu = sample->cpu;
990 
991 	printed += fprintf(fp, "%c", '\n');
992 
993 	/* Handle first from jump, of which we don't know the entry. */
994 	len = grab_bb(buffer, br->entries[nr-1].from,
995 			br->entries[nr-1].from,
996 			machine, thread, &x.is64bit, &x.cpumode, false);
997 	if (len > 0) {
998 		printed += ip__fprintf_sym(br->entries[nr - 1].from, thread,
999 					   x.cpumode, x.cpu, &lastsym, attr, fp);
1000 		printed += ip__fprintf_jump(br->entries[nr - 1].from, &br->entries[nr - 1],
1001 					    &x, buffer, len, 0, fp);
1002 	}
1003 
1004 	/* Print all blocks */
1005 	for (i = nr - 2; i >= 0; i--) {
1006 		if (br->entries[i].from || br->entries[i].to)
1007 			pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1008 				 br->entries[i].from,
1009 				 br->entries[i].to);
1010 		start = br->entries[i + 1].to;
1011 		end   = br->entries[i].from;
1012 
1013 		len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1014 		/* Patch up missing kernel transfers due to ring filters */
1015 		if (len == -ENXIO && i > 0) {
1016 			end = br->entries[--i].from;
1017 			pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1018 			len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1019 		}
1020 		if (len <= 0)
1021 			continue;
1022 
1023 		insn = 0;
1024 		for (off = 0;; off += ilen) {
1025 			uint64_t ip = start + off;
1026 
1027 			printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1028 			if (ip == end) {
1029 				printed += ip__fprintf_jump(ip, &br->entries[i], &x, buffer + off, len - off, insn, fp);
1030 				break;
1031 			} else {
1032 				printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip,
1033 						   dump_insn(&x, ip, buffer + off, len - off, &ilen));
1034 				if (ilen == 0)
1035 					break;
1036 				insn++;
1037 			}
1038 		}
1039 	}
1040 
1041 	/*
1042 	 * Hit the branch? In this case we are already done, and the target
1043 	 * has not been executed yet.
1044 	 */
1045 	if (br->entries[0].from == sample->ip)
1046 		goto out;
1047 	if (br->entries[0].flags.abort)
1048 		goto out;
1049 
1050 	/*
1051 	 * Print final block upto sample
1052 	 */
1053 	start = br->entries[0].to;
1054 	end = sample->ip;
1055 	len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1056 	printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1057 	if (len <= 0) {
1058 		/* Print at least last IP if basic block did not work */
1059 		len = grab_bb(buffer, sample->ip, sample->ip,
1060 			      machine, thread, &x.is64bit, &x.cpumode, false);
1061 		if (len <= 0)
1062 			goto out;
1063 
1064 		printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip,
1065 			dump_insn(&x, sample->ip, buffer, len, NULL));
1066 		goto out;
1067 	}
1068 	for (off = 0; off <= end - start; off += ilen) {
1069 		printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off,
1070 				   dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1071 		if (ilen == 0)
1072 			break;
1073 	}
1074 out:
1075 	return printed;
1076 }
1077 
1078 static int perf_sample__fprintf_addr(struct perf_sample *sample,
1079 				     struct thread *thread,
1080 				     struct perf_event_attr *attr, FILE *fp)
1081 {
1082 	struct addr_location al;
1083 	int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1084 
1085 	if (!sample_addr_correlates_sym(attr))
1086 		goto out;
1087 
1088 	thread__resolve(thread, &al, sample);
1089 
1090 	if (PRINT_FIELD(SYM)) {
1091 		printed += fprintf(fp, " ");
1092 		if (PRINT_FIELD(SYMOFFSET))
1093 			printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1094 		else
1095 			printed += symbol__fprintf_symname(al.sym, fp);
1096 	}
1097 
1098 	if (PRINT_FIELD(DSO)) {
1099 		printed += fprintf(fp, " (");
1100 		printed += map__fprintf_dsoname(al.map, fp);
1101 		printed += fprintf(fp, ")");
1102 	}
1103 out:
1104 	return printed;
1105 }
1106 
1107 static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1108 					   struct perf_evsel *evsel,
1109 					   struct thread *thread,
1110 					   struct addr_location *al, FILE *fp)
1111 {
1112 	struct perf_event_attr *attr = &evsel->attr;
1113 	size_t depth = thread_stack__depth(thread);
1114 	struct addr_location addr_al;
1115 	const char *name = NULL;
1116 	static int spacing;
1117 	int len = 0;
1118 	u64 ip = 0;
1119 
1120 	/*
1121 	 * The 'return' has already been popped off the stack so the depth has
1122 	 * to be adjusted to match the 'call'.
1123 	 */
1124 	if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
1125 		depth += 1;
1126 
1127 	if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1128 		if (sample_addr_correlates_sym(attr)) {
1129 			thread__resolve(thread, &addr_al, sample);
1130 			if (addr_al.sym)
1131 				name = addr_al.sym->name;
1132 			else
1133 				ip = sample->addr;
1134 		} else {
1135 			ip = sample->addr;
1136 		}
1137 	} else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1138 		if (al->sym)
1139 			name = al->sym->name;
1140 		else
1141 			ip = sample->ip;
1142 	}
1143 
1144 	if (name)
1145 		len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1146 	else if (ip)
1147 		len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1148 
1149 	if (len < 0)
1150 		return len;
1151 
1152 	/*
1153 	 * Try to keep the output length from changing frequently so that the
1154 	 * output lines up more nicely.
1155 	 */
1156 	if (len > spacing || (len && len < spacing - 52))
1157 		spacing = round_up(len + 4, 32);
1158 
1159 	if (len < spacing)
1160 		len += fprintf(fp, "%*s", spacing - len, "");
1161 
1162 	return len;
1163 }
1164 
1165 static int perf_sample__fprintf_insn(struct perf_sample *sample,
1166 				     struct perf_event_attr *attr,
1167 				     struct thread *thread,
1168 				     struct machine *machine, FILE *fp)
1169 {
1170 	int printed = 0;
1171 
1172 	if (PRINT_FIELD(INSNLEN))
1173 		printed += fprintf(fp, " ilen: %d", sample->insn_len);
1174 	if (PRINT_FIELD(INSN)) {
1175 		int i;
1176 
1177 		printed += fprintf(fp, " insn:");
1178 		for (i = 0; i < sample->insn_len; i++)
1179 			printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
1180 	}
1181 	if (PRINT_FIELD(BRSTACKINSN))
1182 		printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
1183 
1184 	return printed;
1185 }
1186 
1187 static int perf_sample__fprintf_bts(struct perf_sample *sample,
1188 				    struct perf_evsel *evsel,
1189 				    struct thread *thread,
1190 				    struct addr_location *al,
1191 				    struct machine *machine, FILE *fp)
1192 {
1193 	struct perf_event_attr *attr = &evsel->attr;
1194 	unsigned int type = output_type(attr->type);
1195 	bool print_srcline_last = false;
1196 	int printed = 0;
1197 
1198 	if (PRINT_FIELD(CALLINDENT))
1199 		printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp);
1200 
1201 	/* print branch_from information */
1202 	if (PRINT_FIELD(IP)) {
1203 		unsigned int print_opts = output[type].print_ip_opts;
1204 		struct callchain_cursor *cursor = NULL;
1205 
1206 		if (symbol_conf.use_callchain && sample->callchain &&
1207 		    thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1208 					      sample, NULL, NULL, scripting_max_stack) == 0)
1209 			cursor = &callchain_cursor;
1210 
1211 		if (cursor == NULL) {
1212 			printed += fprintf(fp, " ");
1213 			if (print_opts & EVSEL__PRINT_SRCLINE) {
1214 				print_srcline_last = true;
1215 				print_opts &= ~EVSEL__PRINT_SRCLINE;
1216 			}
1217 		} else
1218 			printed += fprintf(fp, "\n");
1219 
1220 		printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, fp);
1221 	}
1222 
1223 	/* print branch_to information */
1224 	if (PRINT_FIELD(ADDR) ||
1225 	    ((evsel->attr.sample_type & PERF_SAMPLE_ADDR) &&
1226 	     !output[type].user_set)) {
1227 		printed += fprintf(fp, " => ");
1228 		printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1229 	}
1230 
1231 	if (print_srcline_last)
1232 		printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
1233 
1234 	printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1235 	return printed + fprintf(fp, "\n");
1236 }
1237 
1238 static struct {
1239 	u32 flags;
1240 	const char *name;
1241 } sample_flags[] = {
1242 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1243 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1244 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1245 	{PERF_IP_FLAG_BRANCH, "jmp"},
1246 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1247 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1248 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1249 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1250 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1251 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC |	PERF_IP_FLAG_INTERRUPT, "hw int"},
1252 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1253 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1254 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1255 	{0, NULL}
1256 };
1257 
1258 static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1259 {
1260 	const char *chars = PERF_IP_FLAG_CHARS;
1261 	const int n = strlen(PERF_IP_FLAG_CHARS);
1262 	bool in_tx = flags & PERF_IP_FLAG_IN_TX;
1263 	const char *name = NULL;
1264 	char str[33];
1265 	int i, pos = 0;
1266 
1267 	for (i = 0; sample_flags[i].name ; i++) {
1268 		if (sample_flags[i].flags == (flags & ~PERF_IP_FLAG_IN_TX)) {
1269 			name = sample_flags[i].name;
1270 			break;
1271 		}
1272 	}
1273 
1274 	for (i = 0; i < n; i++, flags >>= 1) {
1275 		if (flags & 1)
1276 			str[pos++] = chars[i];
1277 	}
1278 	for (; i < 32; i++, flags >>= 1) {
1279 		if (flags & 1)
1280 			str[pos++] = '?';
1281 	}
1282 	str[pos] = 0;
1283 
1284 	if (name)
1285 		return fprintf(fp, "  %-7s%4s ", name, in_tx ? "(x)" : "");
1286 
1287 	return fprintf(fp, "  %-11s ", str);
1288 }
1289 
1290 struct printer_data {
1291 	int line_no;
1292 	bool hit_nul;
1293 	bool is_printable;
1294 };
1295 
1296 static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1297 				      unsigned int val,
1298 				      void *extra, FILE *fp)
1299 {
1300 	unsigned char ch = (unsigned char)val;
1301 	struct printer_data *printer_data = extra;
1302 	int printed = 0;
1303 
1304 	switch (op) {
1305 	case BINARY_PRINT_DATA_BEGIN:
1306 		printed += fprintf(fp, "\n");
1307 		break;
1308 	case BINARY_PRINT_LINE_BEGIN:
1309 		printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1310 						        "           ");
1311 		break;
1312 	case BINARY_PRINT_ADDR:
1313 		printed += fprintf(fp, " %04x:", val);
1314 		break;
1315 	case BINARY_PRINT_NUM_DATA:
1316 		printed += fprintf(fp, " %02x", val);
1317 		break;
1318 	case BINARY_PRINT_NUM_PAD:
1319 		printed += fprintf(fp, "   ");
1320 		break;
1321 	case BINARY_PRINT_SEP:
1322 		printed += fprintf(fp, "  ");
1323 		break;
1324 	case BINARY_PRINT_CHAR_DATA:
1325 		if (printer_data->hit_nul && ch)
1326 			printer_data->is_printable = false;
1327 
1328 		if (!isprint(ch)) {
1329 			printed += fprintf(fp, "%c", '.');
1330 
1331 			if (!printer_data->is_printable)
1332 				break;
1333 
1334 			if (ch == '\0')
1335 				printer_data->hit_nul = true;
1336 			else
1337 				printer_data->is_printable = false;
1338 		} else {
1339 			printed += fprintf(fp, "%c", ch);
1340 		}
1341 		break;
1342 	case BINARY_PRINT_CHAR_PAD:
1343 		printed += fprintf(fp, " ");
1344 		break;
1345 	case BINARY_PRINT_LINE_END:
1346 		printed += fprintf(fp, "\n");
1347 		printer_data->line_no++;
1348 		break;
1349 	case BINARY_PRINT_DATA_END:
1350 	default:
1351 		break;
1352 	}
1353 
1354 	return printed;
1355 }
1356 
1357 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1358 {
1359 	unsigned int nr_bytes = sample->raw_size;
1360 	struct printer_data printer_data = {0, false, true};
1361 	int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1362 				      sample__fprintf_bpf_output, &printer_data, fp);
1363 
1364 	if (printer_data.is_printable && printer_data.hit_nul)
1365 		printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1366 
1367 	return printed;
1368 }
1369 
1370 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1371 {
1372 	if (len > 0 && len < spacing)
1373 		return fprintf(fp, "%*s", spacing - len, "");
1374 
1375 	return 0;
1376 }
1377 
1378 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1379 {
1380 	return perf_sample__fprintf_spacing(len, 34, fp);
1381 }
1382 
1383 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1384 {
1385 	struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1386 	int len;
1387 
1388 	if (perf_sample__bad_synth_size(sample, *data))
1389 		return 0;
1390 
1391 	len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ",
1392 		     data->ip, le64_to_cpu(data->payload));
1393 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1394 }
1395 
1396 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1397 {
1398 	struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1399 	int len;
1400 
1401 	if (perf_sample__bad_synth_size(sample, *data))
1402 		return 0;
1403 
1404 	len = fprintf(fp, " hints: %#x extensions: %#x ",
1405 		      data->hints, data->extensions);
1406 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1407 }
1408 
1409 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1410 {
1411 	struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1412 	int len;
1413 
1414 	if (perf_sample__bad_synth_size(sample, *data))
1415 		return 0;
1416 
1417 	len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1418 		      data->hw, data->cstate, data->subcstate);
1419 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1420 }
1421 
1422 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1423 {
1424 	struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1425 	int len;
1426 
1427 	if (perf_sample__bad_synth_size(sample, *data))
1428 		return 0;
1429 
1430 	len = fprintf(fp, " IP: %u ", data->ip);
1431 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1432 }
1433 
1434 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1435 {
1436 	struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1437 	int len;
1438 
1439 	if (perf_sample__bad_synth_size(sample, *data))
1440 		return 0;
1441 
1442 	len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1443 		     data->deepest_cstate, data->last_cstate,
1444 		     data->wake_reason);
1445 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1446 }
1447 
1448 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1449 {
1450 	struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1451 	unsigned int percent, freq;
1452 	int len;
1453 
1454 	if (perf_sample__bad_synth_size(sample, *data))
1455 		return 0;
1456 
1457 	freq = (le32_to_cpu(data->freq) + 500) / 1000;
1458 	len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1459 	if (data->max_nonturbo) {
1460 		percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1461 		len += fprintf(fp, "(%3u%%) ", percent);
1462 	}
1463 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1464 }
1465 
1466 static int perf_sample__fprintf_synth(struct perf_sample *sample,
1467 				      struct perf_evsel *evsel, FILE *fp)
1468 {
1469 	switch (evsel->attr.config) {
1470 	case PERF_SYNTH_INTEL_PTWRITE:
1471 		return perf_sample__fprintf_synth_ptwrite(sample, fp);
1472 	case PERF_SYNTH_INTEL_MWAIT:
1473 		return perf_sample__fprintf_synth_mwait(sample, fp);
1474 	case PERF_SYNTH_INTEL_PWRE:
1475 		return perf_sample__fprintf_synth_pwre(sample, fp);
1476 	case PERF_SYNTH_INTEL_EXSTOP:
1477 		return perf_sample__fprintf_synth_exstop(sample, fp);
1478 	case PERF_SYNTH_INTEL_PWRX:
1479 		return perf_sample__fprintf_synth_pwrx(sample, fp);
1480 	case PERF_SYNTH_INTEL_CBR:
1481 		return perf_sample__fprintf_synth_cbr(sample, fp);
1482 	default:
1483 		break;
1484 	}
1485 
1486 	return 0;
1487 }
1488 
1489 struct perf_script {
1490 	struct perf_tool	tool;
1491 	struct perf_session	*session;
1492 	bool			show_task_events;
1493 	bool			show_mmap_events;
1494 	bool			show_switch_events;
1495 	bool			show_namespace_events;
1496 	bool			show_lost_events;
1497 	bool			show_round_events;
1498 	bool			allocated;
1499 	bool			per_event_dump;
1500 	struct cpu_map		*cpus;
1501 	struct thread_map	*threads;
1502 	int			name_width;
1503 	const char              *time_str;
1504 	struct perf_time_interval *ptime_range;
1505 	int			range_size;
1506 	int			range_num;
1507 };
1508 
1509 static int perf_evlist__max_name_len(struct perf_evlist *evlist)
1510 {
1511 	struct perf_evsel *evsel;
1512 	int max = 0;
1513 
1514 	evlist__for_each_entry(evlist, evsel) {
1515 		int len = strlen(perf_evsel__name(evsel));
1516 
1517 		max = MAX(len, max);
1518 	}
1519 
1520 	return max;
1521 }
1522 
1523 static int data_src__fprintf(u64 data_src, FILE *fp)
1524 {
1525 	struct mem_info mi = { .data_src.val = data_src };
1526 	char decode[100];
1527 	char out[100];
1528 	static int maxlen;
1529 	int len;
1530 
1531 	perf_script__meminfo_scnprintf(decode, 100, &mi);
1532 
1533 	len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
1534 	if (maxlen < len)
1535 		maxlen = len;
1536 
1537 	return fprintf(fp, "%-*s", maxlen, out);
1538 }
1539 
1540 struct metric_ctx {
1541 	struct perf_sample	*sample;
1542 	struct thread		*thread;
1543 	struct perf_evsel	*evsel;
1544 	FILE 			*fp;
1545 };
1546 
1547 static void script_print_metric(void *ctx, const char *color,
1548 			        const char *fmt,
1549 			        const char *unit, double val)
1550 {
1551 	struct metric_ctx *mctx = ctx;
1552 
1553 	if (!fmt)
1554 		return;
1555 	perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
1556 				   PERF_RECORD_SAMPLE, mctx->fp);
1557 	fputs("\tmetric: ", mctx->fp);
1558 	if (color)
1559 		color_fprintf(mctx->fp, color, fmt, val);
1560 	else
1561 		printf(fmt, val);
1562 	fprintf(mctx->fp, " %s\n", unit);
1563 }
1564 
1565 static void script_new_line(void *ctx)
1566 {
1567 	struct metric_ctx *mctx = ctx;
1568 
1569 	perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
1570 				   PERF_RECORD_SAMPLE, mctx->fp);
1571 	fputs("\tmetric: ", mctx->fp);
1572 }
1573 
1574 static void perf_sample__fprint_metric(struct perf_script *script,
1575 				       struct thread *thread,
1576 				       struct perf_evsel *evsel,
1577 				       struct perf_sample *sample,
1578 				       FILE *fp)
1579 {
1580 	struct perf_stat_output_ctx ctx = {
1581 		.print_metric = script_print_metric,
1582 		.new_line = script_new_line,
1583 		.ctx = &(struct metric_ctx) {
1584 				.sample = sample,
1585 				.thread = thread,
1586 				.evsel  = evsel,
1587 				.fp     = fp,
1588 			 },
1589 		.force_header = false,
1590 	};
1591 	struct perf_evsel *ev2;
1592 	static bool init;
1593 	u64 val;
1594 
1595 	if (!init) {
1596 		perf_stat__init_shadow_stats();
1597 		init = true;
1598 	}
1599 	if (!evsel->stats)
1600 		perf_evlist__alloc_stats(script->session->evlist, false);
1601 	if (evsel_script(evsel->leader)->gnum++ == 0)
1602 		perf_stat__reset_shadow_stats();
1603 	val = sample->period * evsel->scale;
1604 	perf_stat__update_shadow_stats(evsel,
1605 				       val,
1606 				       sample->cpu,
1607 				       &rt_stat);
1608 	evsel_script(evsel)->val = val;
1609 	if (evsel_script(evsel->leader)->gnum == evsel->leader->nr_members) {
1610 		for_each_group_member (ev2, evsel->leader) {
1611 			perf_stat__print_shadow_stats(ev2,
1612 						      evsel_script(ev2)->val,
1613 						      sample->cpu,
1614 						      &ctx,
1615 						      NULL,
1616 						      &rt_stat);
1617 		}
1618 		evsel_script(evsel->leader)->gnum = 0;
1619 	}
1620 }
1621 
1622 static void process_event(struct perf_script *script,
1623 			  struct perf_sample *sample, struct perf_evsel *evsel,
1624 			  struct addr_location *al,
1625 			  struct machine *machine)
1626 {
1627 	struct thread *thread = al->thread;
1628 	struct perf_event_attr *attr = &evsel->attr;
1629 	unsigned int type = output_type(attr->type);
1630 	struct perf_evsel_script *es = evsel->priv;
1631 	FILE *fp = es->fp;
1632 
1633 	if (output[type].fields == 0)
1634 		return;
1635 
1636 	++es->samples;
1637 
1638 	perf_sample__fprintf_start(sample, thread, evsel,
1639 				   PERF_RECORD_SAMPLE, fp);
1640 
1641 	if (PRINT_FIELD(PERIOD))
1642 		fprintf(fp, "%10" PRIu64 " ", sample->period);
1643 
1644 	if (PRINT_FIELD(EVNAME)) {
1645 		const char *evname = perf_evsel__name(evsel);
1646 
1647 		if (!script->name_width)
1648 			script->name_width = perf_evlist__max_name_len(script->session->evlist);
1649 
1650 		fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
1651 	}
1652 
1653 	if (print_flags)
1654 		perf_sample__fprintf_flags(sample->flags, fp);
1655 
1656 	if (is_bts_event(attr)) {
1657 		perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp);
1658 		return;
1659 	}
1660 
1661 	if (PRINT_FIELD(TRACE)) {
1662 		event_format__fprintf(evsel->tp_format, sample->cpu,
1663 				      sample->raw_data, sample->raw_size, fp);
1664 	}
1665 
1666 	if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
1667 		perf_sample__fprintf_synth(sample, evsel, fp);
1668 
1669 	if (PRINT_FIELD(ADDR))
1670 		perf_sample__fprintf_addr(sample, thread, attr, fp);
1671 
1672 	if (PRINT_FIELD(DATA_SRC))
1673 		data_src__fprintf(sample->data_src, fp);
1674 
1675 	if (PRINT_FIELD(WEIGHT))
1676 		fprintf(fp, "%16" PRIu64, sample->weight);
1677 
1678 	if (PRINT_FIELD(IP)) {
1679 		struct callchain_cursor *cursor = NULL;
1680 
1681 		if (symbol_conf.use_callchain && sample->callchain &&
1682 		    thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1683 					      sample, NULL, NULL, scripting_max_stack) == 0)
1684 			cursor = &callchain_cursor;
1685 
1686 		fputc(cursor ? '\n' : ' ', fp);
1687 		sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, fp);
1688 	}
1689 
1690 	if (PRINT_FIELD(IREGS))
1691 		perf_sample__fprintf_iregs(sample, attr, fp);
1692 
1693 	if (PRINT_FIELD(UREGS))
1694 		perf_sample__fprintf_uregs(sample, attr, fp);
1695 
1696 	if (PRINT_FIELD(BRSTACK))
1697 		perf_sample__fprintf_brstack(sample, thread, attr, fp);
1698 	else if (PRINT_FIELD(BRSTACKSYM))
1699 		perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
1700 	else if (PRINT_FIELD(BRSTACKOFF))
1701 		perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
1702 
1703 	if (perf_evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
1704 		perf_sample__fprintf_bpf_output(sample, fp);
1705 	perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1706 
1707 	if (PRINT_FIELD(PHYS_ADDR))
1708 		fprintf(fp, "%16" PRIx64, sample->phys_addr);
1709 	fprintf(fp, "\n");
1710 
1711 	if (PRINT_FIELD(METRIC))
1712 		perf_sample__fprint_metric(script, thread, evsel, sample, fp);
1713 }
1714 
1715 static struct scripting_ops	*scripting_ops;
1716 
1717 static void __process_stat(struct perf_evsel *counter, u64 tstamp)
1718 {
1719 	int nthreads = thread_map__nr(counter->threads);
1720 	int ncpus = perf_evsel__nr_cpus(counter);
1721 	int cpu, thread;
1722 	static int header_printed;
1723 
1724 	if (counter->system_wide)
1725 		nthreads = 1;
1726 
1727 	if (!header_printed) {
1728 		printf("%3s %8s %15s %15s %15s %15s %s\n",
1729 		       "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
1730 		header_printed = 1;
1731 	}
1732 
1733 	for (thread = 0; thread < nthreads; thread++) {
1734 		for (cpu = 0; cpu < ncpus; cpu++) {
1735 			struct perf_counts_values *counts;
1736 
1737 			counts = perf_counts(counter->counts, cpu, thread);
1738 
1739 			printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
1740 				counter->cpus->map[cpu],
1741 				thread_map__pid(counter->threads, thread),
1742 				counts->val,
1743 				counts->ena,
1744 				counts->run,
1745 				tstamp,
1746 				perf_evsel__name(counter));
1747 		}
1748 	}
1749 }
1750 
1751 static void process_stat(struct perf_evsel *counter, u64 tstamp)
1752 {
1753 	if (scripting_ops && scripting_ops->process_stat)
1754 		scripting_ops->process_stat(&stat_config, counter, tstamp);
1755 	else
1756 		__process_stat(counter, tstamp);
1757 }
1758 
1759 static void process_stat_interval(u64 tstamp)
1760 {
1761 	if (scripting_ops && scripting_ops->process_stat_interval)
1762 		scripting_ops->process_stat_interval(tstamp);
1763 }
1764 
1765 static void setup_scripting(void)
1766 {
1767 	setup_perl_scripting();
1768 	setup_python_scripting();
1769 }
1770 
1771 static int flush_scripting(void)
1772 {
1773 	return scripting_ops ? scripting_ops->flush_script() : 0;
1774 }
1775 
1776 static int cleanup_scripting(void)
1777 {
1778 	pr_debug("\nperf script stopped\n");
1779 
1780 	return scripting_ops ? scripting_ops->stop_script() : 0;
1781 }
1782 
1783 static int process_sample_event(struct perf_tool *tool,
1784 				union perf_event *event,
1785 				struct perf_sample *sample,
1786 				struct perf_evsel *evsel,
1787 				struct machine *machine)
1788 {
1789 	struct perf_script *scr = container_of(tool, struct perf_script, tool);
1790 	struct addr_location al;
1791 
1792 	if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
1793 					  sample->time)) {
1794 		return 0;
1795 	}
1796 
1797 	if (debug_mode) {
1798 		if (sample->time < last_timestamp) {
1799 			pr_err("Samples misordered, previous: %" PRIu64
1800 				" this: %" PRIu64 "\n", last_timestamp,
1801 				sample->time);
1802 			nr_unordered++;
1803 		}
1804 		last_timestamp = sample->time;
1805 		return 0;
1806 	}
1807 
1808 	if (machine__resolve(machine, &al, sample) < 0) {
1809 		pr_err("problem processing %d event, skipping it.\n",
1810 		       event->header.type);
1811 		return -1;
1812 	}
1813 
1814 	if (al.filtered)
1815 		goto out_put;
1816 
1817 	if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
1818 		goto out_put;
1819 
1820 	if (scripting_ops)
1821 		scripting_ops->process_event(event, sample, evsel, &al);
1822 	else
1823 		process_event(scr, sample, evsel, &al, machine);
1824 
1825 out_put:
1826 	addr_location__put(&al);
1827 	return 0;
1828 }
1829 
1830 static int process_attr(struct perf_tool *tool, union perf_event *event,
1831 			struct perf_evlist **pevlist)
1832 {
1833 	struct perf_script *scr = container_of(tool, struct perf_script, tool);
1834 	struct perf_evlist *evlist;
1835 	struct perf_evsel *evsel, *pos;
1836 	int err;
1837 	static struct perf_evsel_script *es;
1838 
1839 	err = perf_event__process_attr(tool, event, pevlist);
1840 	if (err)
1841 		return err;
1842 
1843 	evlist = *pevlist;
1844 	evsel = perf_evlist__last(*pevlist);
1845 
1846 	if (!evsel->priv) {
1847 		if (scr->per_event_dump) {
1848 			evsel->priv = perf_evsel_script__new(evsel,
1849 						scr->session->data);
1850 		} else {
1851 			es = zalloc(sizeof(*es));
1852 			if (!es)
1853 				return -ENOMEM;
1854 			es->fp = stdout;
1855 			evsel->priv = es;
1856 		}
1857 	}
1858 
1859 	if (evsel->attr.type >= PERF_TYPE_MAX &&
1860 	    evsel->attr.type != PERF_TYPE_SYNTH)
1861 		return 0;
1862 
1863 	evlist__for_each_entry(evlist, pos) {
1864 		if (pos->attr.type == evsel->attr.type && pos != evsel)
1865 			return 0;
1866 	}
1867 
1868 	set_print_ip_opts(&evsel->attr);
1869 
1870 	if (evsel->attr.sample_type)
1871 		err = perf_evsel__check_attr(evsel, scr->session);
1872 
1873 	return err;
1874 }
1875 
1876 static int process_comm_event(struct perf_tool *tool,
1877 			      union perf_event *event,
1878 			      struct perf_sample *sample,
1879 			      struct machine *machine)
1880 {
1881 	struct thread *thread;
1882 	struct perf_script *script = container_of(tool, struct perf_script, tool);
1883 	struct perf_session *session = script->session;
1884 	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1885 	int ret = -1;
1886 
1887 	thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid);
1888 	if (thread == NULL) {
1889 		pr_debug("problem processing COMM event, skipping it.\n");
1890 		return -1;
1891 	}
1892 
1893 	if (perf_event__process_comm(tool, event, sample, machine) < 0)
1894 		goto out;
1895 
1896 	if (!evsel->attr.sample_id_all) {
1897 		sample->cpu = 0;
1898 		sample->time = 0;
1899 		sample->tid = event->comm.tid;
1900 		sample->pid = event->comm.pid;
1901 	}
1902 	perf_sample__fprintf_start(sample, thread, evsel,
1903 				   PERF_RECORD_COMM, stdout);
1904 	perf_event__fprintf(event, stdout);
1905 	ret = 0;
1906 out:
1907 	thread__put(thread);
1908 	return ret;
1909 }
1910 
1911 static int process_namespaces_event(struct perf_tool *tool,
1912 				    union perf_event *event,
1913 				    struct perf_sample *sample,
1914 				    struct machine *machine)
1915 {
1916 	struct thread *thread;
1917 	struct perf_script *script = container_of(tool, struct perf_script, tool);
1918 	struct perf_session *session = script->session;
1919 	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1920 	int ret = -1;
1921 
1922 	thread = machine__findnew_thread(machine, event->namespaces.pid,
1923 					 event->namespaces.tid);
1924 	if (thread == NULL) {
1925 		pr_debug("problem processing NAMESPACES event, skipping it.\n");
1926 		return -1;
1927 	}
1928 
1929 	if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
1930 		goto out;
1931 
1932 	if (!evsel->attr.sample_id_all) {
1933 		sample->cpu = 0;
1934 		sample->time = 0;
1935 		sample->tid = event->namespaces.tid;
1936 		sample->pid = event->namespaces.pid;
1937 	}
1938 	perf_sample__fprintf_start(sample, thread, evsel,
1939 				   PERF_RECORD_NAMESPACES, stdout);
1940 	perf_event__fprintf(event, stdout);
1941 	ret = 0;
1942 out:
1943 	thread__put(thread);
1944 	return ret;
1945 }
1946 
1947 static int process_fork_event(struct perf_tool *tool,
1948 			      union perf_event *event,
1949 			      struct perf_sample *sample,
1950 			      struct machine *machine)
1951 {
1952 	struct thread *thread;
1953 	struct perf_script *script = container_of(tool, struct perf_script, tool);
1954 	struct perf_session *session = script->session;
1955 	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1956 
1957 	if (perf_event__process_fork(tool, event, sample, machine) < 0)
1958 		return -1;
1959 
1960 	thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
1961 	if (thread == NULL) {
1962 		pr_debug("problem processing FORK event, skipping it.\n");
1963 		return -1;
1964 	}
1965 
1966 	if (!evsel->attr.sample_id_all) {
1967 		sample->cpu = 0;
1968 		sample->time = event->fork.time;
1969 		sample->tid = event->fork.tid;
1970 		sample->pid = event->fork.pid;
1971 	}
1972 	perf_sample__fprintf_start(sample, thread, evsel,
1973 				   PERF_RECORD_FORK, stdout);
1974 	perf_event__fprintf(event, stdout);
1975 	thread__put(thread);
1976 
1977 	return 0;
1978 }
1979 static int process_exit_event(struct perf_tool *tool,
1980 			      union perf_event *event,
1981 			      struct perf_sample *sample,
1982 			      struct machine *machine)
1983 {
1984 	int err = 0;
1985 	struct thread *thread;
1986 	struct perf_script *script = container_of(tool, struct perf_script, tool);
1987 	struct perf_session *session = script->session;
1988 	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1989 
1990 	thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
1991 	if (thread == NULL) {
1992 		pr_debug("problem processing EXIT event, skipping it.\n");
1993 		return -1;
1994 	}
1995 
1996 	if (!evsel->attr.sample_id_all) {
1997 		sample->cpu = 0;
1998 		sample->time = 0;
1999 		sample->tid = event->fork.tid;
2000 		sample->pid = event->fork.pid;
2001 	}
2002 	perf_sample__fprintf_start(sample, thread, evsel,
2003 				   PERF_RECORD_EXIT, stdout);
2004 	perf_event__fprintf(event, stdout);
2005 
2006 	if (perf_event__process_exit(tool, event, sample, machine) < 0)
2007 		err = -1;
2008 
2009 	thread__put(thread);
2010 	return err;
2011 }
2012 
2013 static int process_mmap_event(struct perf_tool *tool,
2014 			      union perf_event *event,
2015 			      struct perf_sample *sample,
2016 			      struct machine *machine)
2017 {
2018 	struct thread *thread;
2019 	struct perf_script *script = container_of(tool, struct perf_script, tool);
2020 	struct perf_session *session = script->session;
2021 	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2022 
2023 	if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2024 		return -1;
2025 
2026 	thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid);
2027 	if (thread == NULL) {
2028 		pr_debug("problem processing MMAP event, skipping it.\n");
2029 		return -1;
2030 	}
2031 
2032 	if (!evsel->attr.sample_id_all) {
2033 		sample->cpu = 0;
2034 		sample->time = 0;
2035 		sample->tid = event->mmap.tid;
2036 		sample->pid = event->mmap.pid;
2037 	}
2038 	perf_sample__fprintf_start(sample, thread, evsel,
2039 				   PERF_RECORD_MMAP, stdout);
2040 	perf_event__fprintf(event, stdout);
2041 	thread__put(thread);
2042 	return 0;
2043 }
2044 
2045 static int process_mmap2_event(struct perf_tool *tool,
2046 			      union perf_event *event,
2047 			      struct perf_sample *sample,
2048 			      struct machine *machine)
2049 {
2050 	struct thread *thread;
2051 	struct perf_script *script = container_of(tool, struct perf_script, tool);
2052 	struct perf_session *session = script->session;
2053 	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2054 
2055 	if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2056 		return -1;
2057 
2058 	thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid);
2059 	if (thread == NULL) {
2060 		pr_debug("problem processing MMAP2 event, skipping it.\n");
2061 		return -1;
2062 	}
2063 
2064 	if (!evsel->attr.sample_id_all) {
2065 		sample->cpu = 0;
2066 		sample->time = 0;
2067 		sample->tid = event->mmap2.tid;
2068 		sample->pid = event->mmap2.pid;
2069 	}
2070 	perf_sample__fprintf_start(sample, thread, evsel,
2071 				   PERF_RECORD_MMAP2, stdout);
2072 	perf_event__fprintf(event, stdout);
2073 	thread__put(thread);
2074 	return 0;
2075 }
2076 
2077 static int process_switch_event(struct perf_tool *tool,
2078 				union perf_event *event,
2079 				struct perf_sample *sample,
2080 				struct machine *machine)
2081 {
2082 	struct thread *thread;
2083 	struct perf_script *script = container_of(tool, struct perf_script, tool);
2084 	struct perf_session *session = script->session;
2085 	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2086 
2087 	if (perf_event__process_switch(tool, event, sample, machine) < 0)
2088 		return -1;
2089 
2090 	thread = machine__findnew_thread(machine, sample->pid,
2091 					 sample->tid);
2092 	if (thread == NULL) {
2093 		pr_debug("problem processing SWITCH event, skipping it.\n");
2094 		return -1;
2095 	}
2096 
2097 	perf_sample__fprintf_start(sample, thread, evsel,
2098 				   PERF_RECORD_SWITCH, stdout);
2099 	perf_event__fprintf(event, stdout);
2100 	thread__put(thread);
2101 	return 0;
2102 }
2103 
2104 static int
2105 process_lost_event(struct perf_tool *tool,
2106 		   union perf_event *event,
2107 		   struct perf_sample *sample,
2108 		   struct machine *machine)
2109 {
2110 	struct perf_script *script = container_of(tool, struct perf_script, tool);
2111 	struct perf_session *session = script->session;
2112 	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2113 	struct thread *thread;
2114 
2115 	thread = machine__findnew_thread(machine, sample->pid,
2116 					 sample->tid);
2117 	if (thread == NULL)
2118 		return -1;
2119 
2120 	perf_sample__fprintf_start(sample, thread, evsel,
2121 				   PERF_RECORD_LOST, stdout);
2122 	perf_event__fprintf(event, stdout);
2123 	thread__put(thread);
2124 	return 0;
2125 }
2126 
2127 static int
2128 process_finished_round_event(struct perf_tool *tool __maybe_unused,
2129 			     union perf_event *event,
2130 			     struct ordered_events *oe __maybe_unused)
2131 
2132 {
2133 	perf_event__fprintf(event, stdout);
2134 	return 0;
2135 }
2136 
2137 static void sig_handler(int sig __maybe_unused)
2138 {
2139 	session_done = 1;
2140 }
2141 
2142 static void perf_script__fclose_per_event_dump(struct perf_script *script)
2143 {
2144 	struct perf_evlist *evlist = script->session->evlist;
2145 	struct perf_evsel *evsel;
2146 
2147 	evlist__for_each_entry(evlist, evsel) {
2148 		if (!evsel->priv)
2149 			break;
2150 		perf_evsel_script__delete(evsel->priv);
2151 		evsel->priv = NULL;
2152 	}
2153 }
2154 
2155 static int perf_script__fopen_per_event_dump(struct perf_script *script)
2156 {
2157 	struct perf_evsel *evsel;
2158 
2159 	evlist__for_each_entry(script->session->evlist, evsel) {
2160 		/*
2161 		 * Already setup? I.e. we may be called twice in cases like
2162 		 * Intel PT, one for the intel_pt// and dummy events, then
2163 		 * for the evsels syntheized from the auxtrace info.
2164 		 *
2165 		 * Ses perf_script__process_auxtrace_info.
2166 		 */
2167 		if (evsel->priv != NULL)
2168 			continue;
2169 
2170 		evsel->priv = perf_evsel_script__new(evsel, script->session->data);
2171 		if (evsel->priv == NULL)
2172 			goto out_err_fclose;
2173 	}
2174 
2175 	return 0;
2176 
2177 out_err_fclose:
2178 	perf_script__fclose_per_event_dump(script);
2179 	return -1;
2180 }
2181 
2182 static int perf_script__setup_per_event_dump(struct perf_script *script)
2183 {
2184 	struct perf_evsel *evsel;
2185 	static struct perf_evsel_script es_stdout;
2186 
2187 	if (script->per_event_dump)
2188 		return perf_script__fopen_per_event_dump(script);
2189 
2190 	es_stdout.fp = stdout;
2191 
2192 	evlist__for_each_entry(script->session->evlist, evsel)
2193 		evsel->priv = &es_stdout;
2194 
2195 	return 0;
2196 }
2197 
2198 static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2199 {
2200 	struct perf_evsel *evsel;
2201 
2202 	evlist__for_each_entry(script->session->evlist, evsel) {
2203 		struct perf_evsel_script *es = evsel->priv;
2204 
2205 		perf_evsel_script__fprintf(es, stdout);
2206 		perf_evsel_script__delete(es);
2207 		evsel->priv = NULL;
2208 	}
2209 }
2210 
2211 static int __cmd_script(struct perf_script *script)
2212 {
2213 	int ret;
2214 
2215 	signal(SIGINT, sig_handler);
2216 
2217 	/* override event processing functions */
2218 	if (script->show_task_events) {
2219 		script->tool.comm = process_comm_event;
2220 		script->tool.fork = process_fork_event;
2221 		script->tool.exit = process_exit_event;
2222 	}
2223 	if (script->show_mmap_events) {
2224 		script->tool.mmap = process_mmap_event;
2225 		script->tool.mmap2 = process_mmap2_event;
2226 	}
2227 	if (script->show_switch_events)
2228 		script->tool.context_switch = process_switch_event;
2229 	if (script->show_namespace_events)
2230 		script->tool.namespaces = process_namespaces_event;
2231 	if (script->show_lost_events)
2232 		script->tool.lost = process_lost_event;
2233 	if (script->show_round_events) {
2234 		script->tool.ordered_events = false;
2235 		script->tool.finished_round = process_finished_round_event;
2236 	}
2237 
2238 	if (perf_script__setup_per_event_dump(script)) {
2239 		pr_err("Couldn't create the per event dump files\n");
2240 		return -1;
2241 	}
2242 
2243 	ret = perf_session__process_events(script->session);
2244 
2245 	if (script->per_event_dump)
2246 		perf_script__exit_per_event_dump_stats(script);
2247 
2248 	if (debug_mode)
2249 		pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2250 
2251 	return ret;
2252 }
2253 
2254 struct script_spec {
2255 	struct list_head	node;
2256 	struct scripting_ops	*ops;
2257 	char			spec[0];
2258 };
2259 
2260 static LIST_HEAD(script_specs);
2261 
2262 static struct script_spec *script_spec__new(const char *spec,
2263 					    struct scripting_ops *ops)
2264 {
2265 	struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2266 
2267 	if (s != NULL) {
2268 		strcpy(s->spec, spec);
2269 		s->ops = ops;
2270 	}
2271 
2272 	return s;
2273 }
2274 
2275 static void script_spec__add(struct script_spec *s)
2276 {
2277 	list_add_tail(&s->node, &script_specs);
2278 }
2279 
2280 static struct script_spec *script_spec__find(const char *spec)
2281 {
2282 	struct script_spec *s;
2283 
2284 	list_for_each_entry(s, &script_specs, node)
2285 		if (strcasecmp(s->spec, spec) == 0)
2286 			return s;
2287 	return NULL;
2288 }
2289 
2290 int script_spec_register(const char *spec, struct scripting_ops *ops)
2291 {
2292 	struct script_spec *s;
2293 
2294 	s = script_spec__find(spec);
2295 	if (s)
2296 		return -1;
2297 
2298 	s = script_spec__new(spec, ops);
2299 	if (!s)
2300 		return -1;
2301 	else
2302 		script_spec__add(s);
2303 
2304 	return 0;
2305 }
2306 
2307 static struct scripting_ops *script_spec__lookup(const char *spec)
2308 {
2309 	struct script_spec *s = script_spec__find(spec);
2310 	if (!s)
2311 		return NULL;
2312 
2313 	return s->ops;
2314 }
2315 
2316 static void list_available_languages(void)
2317 {
2318 	struct script_spec *s;
2319 
2320 	fprintf(stderr, "\n");
2321 	fprintf(stderr, "Scripting language extensions (used in "
2322 		"perf script -s [spec:]script.[spec]):\n\n");
2323 
2324 	list_for_each_entry(s, &script_specs, node)
2325 		fprintf(stderr, "  %-42s [%s]\n", s->spec, s->ops->name);
2326 
2327 	fprintf(stderr, "\n");
2328 }
2329 
2330 static int parse_scriptname(const struct option *opt __maybe_unused,
2331 			    const char *str, int unset __maybe_unused)
2332 {
2333 	char spec[PATH_MAX];
2334 	const char *script, *ext;
2335 	int len;
2336 
2337 	if (strcmp(str, "lang") == 0) {
2338 		list_available_languages();
2339 		exit(0);
2340 	}
2341 
2342 	script = strchr(str, ':');
2343 	if (script) {
2344 		len = script - str;
2345 		if (len >= PATH_MAX) {
2346 			fprintf(stderr, "invalid language specifier");
2347 			return -1;
2348 		}
2349 		strncpy(spec, str, len);
2350 		spec[len] = '\0';
2351 		scripting_ops = script_spec__lookup(spec);
2352 		if (!scripting_ops) {
2353 			fprintf(stderr, "invalid language specifier");
2354 			return -1;
2355 		}
2356 		script++;
2357 	} else {
2358 		script = str;
2359 		ext = strrchr(script, '.');
2360 		if (!ext) {
2361 			fprintf(stderr, "invalid script extension");
2362 			return -1;
2363 		}
2364 		scripting_ops = script_spec__lookup(++ext);
2365 		if (!scripting_ops) {
2366 			fprintf(stderr, "invalid script extension");
2367 			return -1;
2368 		}
2369 	}
2370 
2371 	script_name = strdup(script);
2372 
2373 	return 0;
2374 }
2375 
2376 static int parse_output_fields(const struct option *opt __maybe_unused,
2377 			    const char *arg, int unset __maybe_unused)
2378 {
2379 	char *tok, *strtok_saveptr = NULL;
2380 	int i, imax = ARRAY_SIZE(all_output_options);
2381 	int j;
2382 	int rc = 0;
2383 	char *str = strdup(arg);
2384 	int type = -1;
2385 	enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
2386 
2387 	if (!str)
2388 		return -ENOMEM;
2389 
2390 	/* first word can state for which event type the user is specifying
2391 	 * the fields. If no type exists, the specified fields apply to all
2392 	 * event types found in the file minus the invalid fields for a type.
2393 	 */
2394 	tok = strchr(str, ':');
2395 	if (tok) {
2396 		*tok = '\0';
2397 		tok++;
2398 		if (!strcmp(str, "hw"))
2399 			type = PERF_TYPE_HARDWARE;
2400 		else if (!strcmp(str, "sw"))
2401 			type = PERF_TYPE_SOFTWARE;
2402 		else if (!strcmp(str, "trace"))
2403 			type = PERF_TYPE_TRACEPOINT;
2404 		else if (!strcmp(str, "raw"))
2405 			type = PERF_TYPE_RAW;
2406 		else if (!strcmp(str, "break"))
2407 			type = PERF_TYPE_BREAKPOINT;
2408 		else if (!strcmp(str, "synth"))
2409 			type = OUTPUT_TYPE_SYNTH;
2410 		else {
2411 			fprintf(stderr, "Invalid event type in field string.\n");
2412 			rc = -EINVAL;
2413 			goto out;
2414 		}
2415 
2416 		if (output[type].user_set)
2417 			pr_warning("Overriding previous field request for %s events.\n",
2418 				   event_type(type));
2419 
2420 		output[type].fields = 0;
2421 		output[type].user_set = true;
2422 		output[type].wildcard_set = false;
2423 
2424 	} else {
2425 		tok = str;
2426 		if (strlen(str) == 0) {
2427 			fprintf(stderr,
2428 				"Cannot set fields to 'none' for all event types.\n");
2429 			rc = -EINVAL;
2430 			goto out;
2431 		}
2432 
2433 		/* Don't override defaults for +- */
2434 		if (strchr(str, '+') || strchr(str, '-'))
2435 			goto parse;
2436 
2437 		if (output_set_by_user())
2438 			pr_warning("Overriding previous field request for all events.\n");
2439 
2440 		for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2441 			output[j].fields = 0;
2442 			output[j].user_set = true;
2443 			output[j].wildcard_set = true;
2444 		}
2445 	}
2446 
2447 parse:
2448 	for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
2449 		if (*tok == '+') {
2450 			if (change == SET)
2451 				goto out_badmix;
2452 			change = ADD;
2453 			tok++;
2454 		} else if (*tok == '-') {
2455 			if (change == SET)
2456 				goto out_badmix;
2457 			change = REMOVE;
2458 			tok++;
2459 		} else {
2460 			if (change != SET && change != DEFAULT)
2461 				goto out_badmix;
2462 			change = SET;
2463 		}
2464 
2465 		for (i = 0; i < imax; ++i) {
2466 			if (strcmp(tok, all_output_options[i].str) == 0)
2467 				break;
2468 		}
2469 		if (i == imax && strcmp(tok, "flags") == 0) {
2470 			print_flags = change == REMOVE ? false : true;
2471 			continue;
2472 		}
2473 		if (i == imax) {
2474 			fprintf(stderr, "Invalid field requested.\n");
2475 			rc = -EINVAL;
2476 			goto out;
2477 		}
2478 
2479 		if (type == -1) {
2480 			/* add user option to all events types for
2481 			 * which it is valid
2482 			 */
2483 			for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2484 				if (output[j].invalid_fields & all_output_options[i].field) {
2485 					pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
2486 						   all_output_options[i].str, event_type(j));
2487 				} else {
2488 					if (change == REMOVE)
2489 						output[j].fields &= ~all_output_options[i].field;
2490 					else
2491 						output[j].fields |= all_output_options[i].field;
2492 				}
2493 			}
2494 		} else {
2495 			if (output[type].invalid_fields & all_output_options[i].field) {
2496 				fprintf(stderr, "\'%s\' not valid for %s events.\n",
2497 					 all_output_options[i].str, event_type(type));
2498 
2499 				rc = -EINVAL;
2500 				goto out;
2501 			}
2502 			output[type].fields |= all_output_options[i].field;
2503 		}
2504 	}
2505 
2506 	if (type >= 0) {
2507 		if (output[type].fields == 0) {
2508 			pr_debug("No fields requested for %s type. "
2509 				 "Events will not be displayed.\n", event_type(type));
2510 		}
2511 	}
2512 	goto out;
2513 
2514 out_badmix:
2515 	fprintf(stderr, "Cannot mix +-field with overridden fields\n");
2516 	rc = -EINVAL;
2517 out:
2518 	free(str);
2519 	return rc;
2520 }
2521 
2522 #define for_each_lang(scripts_path, scripts_dir, lang_dirent)		\
2523 	while ((lang_dirent = readdir(scripts_dir)) != NULL)		\
2524 		if ((lang_dirent->d_type == DT_DIR ||			\
2525 		     (lang_dirent->d_type == DT_UNKNOWN &&		\
2526 		      is_directory(scripts_path, lang_dirent))) &&	\
2527 		    (strcmp(lang_dirent->d_name, ".")) &&		\
2528 		    (strcmp(lang_dirent->d_name, "..")))
2529 
2530 #define for_each_script(lang_path, lang_dir, script_dirent)		\
2531 	while ((script_dirent = readdir(lang_dir)) != NULL)		\
2532 		if (script_dirent->d_type != DT_DIR &&			\
2533 		    (script_dirent->d_type != DT_UNKNOWN ||		\
2534 		     !is_directory(lang_path, script_dirent)))
2535 
2536 
2537 #define RECORD_SUFFIX			"-record"
2538 #define REPORT_SUFFIX			"-report"
2539 
2540 struct script_desc {
2541 	struct list_head	node;
2542 	char			*name;
2543 	char			*half_liner;
2544 	char			*args;
2545 };
2546 
2547 static LIST_HEAD(script_descs);
2548 
2549 static struct script_desc *script_desc__new(const char *name)
2550 {
2551 	struct script_desc *s = zalloc(sizeof(*s));
2552 
2553 	if (s != NULL && name)
2554 		s->name = strdup(name);
2555 
2556 	return s;
2557 }
2558 
2559 static void script_desc__delete(struct script_desc *s)
2560 {
2561 	zfree(&s->name);
2562 	zfree(&s->half_liner);
2563 	zfree(&s->args);
2564 	free(s);
2565 }
2566 
2567 static void script_desc__add(struct script_desc *s)
2568 {
2569 	list_add_tail(&s->node, &script_descs);
2570 }
2571 
2572 static struct script_desc *script_desc__find(const char *name)
2573 {
2574 	struct script_desc *s;
2575 
2576 	list_for_each_entry(s, &script_descs, node)
2577 		if (strcasecmp(s->name, name) == 0)
2578 			return s;
2579 	return NULL;
2580 }
2581 
2582 static struct script_desc *script_desc__findnew(const char *name)
2583 {
2584 	struct script_desc *s = script_desc__find(name);
2585 
2586 	if (s)
2587 		return s;
2588 
2589 	s = script_desc__new(name);
2590 	if (!s)
2591 		return NULL;
2592 
2593 	script_desc__add(s);
2594 
2595 	return s;
2596 }
2597 
2598 static const char *ends_with(const char *str, const char *suffix)
2599 {
2600 	size_t suffix_len = strlen(suffix);
2601 	const char *p = str;
2602 
2603 	if (strlen(str) > suffix_len) {
2604 		p = str + strlen(str) - suffix_len;
2605 		if (!strncmp(p, suffix, suffix_len))
2606 			return p;
2607 	}
2608 
2609 	return NULL;
2610 }
2611 
2612 static int read_script_info(struct script_desc *desc, const char *filename)
2613 {
2614 	char line[BUFSIZ], *p;
2615 	FILE *fp;
2616 
2617 	fp = fopen(filename, "r");
2618 	if (!fp)
2619 		return -1;
2620 
2621 	while (fgets(line, sizeof(line), fp)) {
2622 		p = ltrim(line);
2623 		if (strlen(p) == 0)
2624 			continue;
2625 		if (*p != '#')
2626 			continue;
2627 		p++;
2628 		if (strlen(p) && *p == '!')
2629 			continue;
2630 
2631 		p = ltrim(p);
2632 		if (strlen(p) && p[strlen(p) - 1] == '\n')
2633 			p[strlen(p) - 1] = '\0';
2634 
2635 		if (!strncmp(p, "description:", strlen("description:"))) {
2636 			p += strlen("description:");
2637 			desc->half_liner = strdup(ltrim(p));
2638 			continue;
2639 		}
2640 
2641 		if (!strncmp(p, "args:", strlen("args:"))) {
2642 			p += strlen("args:");
2643 			desc->args = strdup(ltrim(p));
2644 			continue;
2645 		}
2646 	}
2647 
2648 	fclose(fp);
2649 
2650 	return 0;
2651 }
2652 
2653 static char *get_script_root(struct dirent *script_dirent, const char *suffix)
2654 {
2655 	char *script_root, *str;
2656 
2657 	script_root = strdup(script_dirent->d_name);
2658 	if (!script_root)
2659 		return NULL;
2660 
2661 	str = (char *)ends_with(script_root, suffix);
2662 	if (!str) {
2663 		free(script_root);
2664 		return NULL;
2665 	}
2666 
2667 	*str = '\0';
2668 	return script_root;
2669 }
2670 
2671 static int list_available_scripts(const struct option *opt __maybe_unused,
2672 				  const char *s __maybe_unused,
2673 				  int unset __maybe_unused)
2674 {
2675 	struct dirent *script_dirent, *lang_dirent;
2676 	char scripts_path[MAXPATHLEN];
2677 	DIR *scripts_dir, *lang_dir;
2678 	char script_path[MAXPATHLEN];
2679 	char lang_path[MAXPATHLEN];
2680 	struct script_desc *desc;
2681 	char first_half[BUFSIZ];
2682 	char *script_root;
2683 
2684 	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2685 
2686 	scripts_dir = opendir(scripts_path);
2687 	if (!scripts_dir) {
2688 		fprintf(stdout,
2689 			"open(%s) failed.\n"
2690 			"Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
2691 			scripts_path);
2692 		exit(-1);
2693 	}
2694 
2695 	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2696 		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
2697 			  lang_dirent->d_name);
2698 		lang_dir = opendir(lang_path);
2699 		if (!lang_dir)
2700 			continue;
2701 
2702 		for_each_script(lang_path, lang_dir, script_dirent) {
2703 			script_root = get_script_root(script_dirent, REPORT_SUFFIX);
2704 			if (script_root) {
2705 				desc = script_desc__findnew(script_root);
2706 				scnprintf(script_path, MAXPATHLEN, "%s/%s",
2707 					  lang_path, script_dirent->d_name);
2708 				read_script_info(desc, script_path);
2709 				free(script_root);
2710 			}
2711 		}
2712 	}
2713 
2714 	fprintf(stdout, "List of available trace scripts:\n");
2715 	list_for_each_entry(desc, &script_descs, node) {
2716 		sprintf(first_half, "%s %s", desc->name,
2717 			desc->args ? desc->args : "");
2718 		fprintf(stdout, "  %-36s %s\n", first_half,
2719 			desc->half_liner ? desc->half_liner : "");
2720 	}
2721 
2722 	exit(0);
2723 }
2724 
2725 /*
2726  * Some scripts specify the required events in their "xxx-record" file,
2727  * this function will check if the events in perf.data match those
2728  * mentioned in the "xxx-record".
2729  *
2730  * Fixme: All existing "xxx-record" are all in good formats "-e event ",
2731  * which is covered well now. And new parsing code should be added to
2732  * cover the future complexing formats like event groups etc.
2733  */
2734 static int check_ev_match(char *dir_name, char *scriptname,
2735 			struct perf_session *session)
2736 {
2737 	char filename[MAXPATHLEN], evname[128];
2738 	char line[BUFSIZ], *p;
2739 	struct perf_evsel *pos;
2740 	int match, len;
2741 	FILE *fp;
2742 
2743 	scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
2744 
2745 	fp = fopen(filename, "r");
2746 	if (!fp)
2747 		return -1;
2748 
2749 	while (fgets(line, sizeof(line), fp)) {
2750 		p = ltrim(line);
2751 		if (*p == '#')
2752 			continue;
2753 
2754 		while (strlen(p)) {
2755 			p = strstr(p, "-e");
2756 			if (!p)
2757 				break;
2758 
2759 			p += 2;
2760 			p = ltrim(p);
2761 			len = strcspn(p, " \t");
2762 			if (!len)
2763 				break;
2764 
2765 			snprintf(evname, len + 1, "%s", p);
2766 
2767 			match = 0;
2768 			evlist__for_each_entry(session->evlist, pos) {
2769 				if (!strcmp(perf_evsel__name(pos), evname)) {
2770 					match = 1;
2771 					break;
2772 				}
2773 			}
2774 
2775 			if (!match) {
2776 				fclose(fp);
2777 				return -1;
2778 			}
2779 		}
2780 	}
2781 
2782 	fclose(fp);
2783 	return 0;
2784 }
2785 
2786 /*
2787  * Return -1 if none is found, otherwise the actual scripts number.
2788  *
2789  * Currently the only user of this function is the script browser, which
2790  * will list all statically runnable scripts, select one, execute it and
2791  * show the output in a perf browser.
2792  */
2793 int find_scripts(char **scripts_array, char **scripts_path_array)
2794 {
2795 	struct dirent *script_dirent, *lang_dirent;
2796 	char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
2797 	DIR *scripts_dir, *lang_dir;
2798 	struct perf_session *session;
2799 	struct perf_data data = {
2800 		.file      = {
2801 			.path = input_name,
2802 		},
2803 		.mode      = PERF_DATA_MODE_READ,
2804 	};
2805 	char *temp;
2806 	int i = 0;
2807 
2808 	session = perf_session__new(&data, false, NULL);
2809 	if (!session)
2810 		return -1;
2811 
2812 	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2813 
2814 	scripts_dir = opendir(scripts_path);
2815 	if (!scripts_dir) {
2816 		perf_session__delete(session);
2817 		return -1;
2818 	}
2819 
2820 	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2821 		scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
2822 			  lang_dirent->d_name);
2823 #ifndef HAVE_LIBPERL_SUPPORT
2824 		if (strstr(lang_path, "perl"))
2825 			continue;
2826 #endif
2827 #ifndef HAVE_LIBPYTHON_SUPPORT
2828 		if (strstr(lang_path, "python"))
2829 			continue;
2830 #endif
2831 
2832 		lang_dir = opendir(lang_path);
2833 		if (!lang_dir)
2834 			continue;
2835 
2836 		for_each_script(lang_path, lang_dir, script_dirent) {
2837 			/* Skip those real time scripts: xxxtop.p[yl] */
2838 			if (strstr(script_dirent->d_name, "top."))
2839 				continue;
2840 			sprintf(scripts_path_array[i], "%s/%s", lang_path,
2841 				script_dirent->d_name);
2842 			temp = strchr(script_dirent->d_name, '.');
2843 			snprintf(scripts_array[i],
2844 				(temp - script_dirent->d_name) + 1,
2845 				"%s", script_dirent->d_name);
2846 
2847 			if (check_ev_match(lang_path,
2848 					scripts_array[i], session))
2849 				continue;
2850 
2851 			i++;
2852 		}
2853 		closedir(lang_dir);
2854 	}
2855 
2856 	closedir(scripts_dir);
2857 	perf_session__delete(session);
2858 	return i;
2859 }
2860 
2861 static char *get_script_path(const char *script_root, const char *suffix)
2862 {
2863 	struct dirent *script_dirent, *lang_dirent;
2864 	char scripts_path[MAXPATHLEN];
2865 	char script_path[MAXPATHLEN];
2866 	DIR *scripts_dir, *lang_dir;
2867 	char lang_path[MAXPATHLEN];
2868 	char *__script_root;
2869 
2870 	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2871 
2872 	scripts_dir = opendir(scripts_path);
2873 	if (!scripts_dir)
2874 		return NULL;
2875 
2876 	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2877 		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
2878 			  lang_dirent->d_name);
2879 		lang_dir = opendir(lang_path);
2880 		if (!lang_dir)
2881 			continue;
2882 
2883 		for_each_script(lang_path, lang_dir, script_dirent) {
2884 			__script_root = get_script_root(script_dirent, suffix);
2885 			if (__script_root && !strcmp(script_root, __script_root)) {
2886 				free(__script_root);
2887 				closedir(lang_dir);
2888 				closedir(scripts_dir);
2889 				scnprintf(script_path, MAXPATHLEN, "%s/%s",
2890 					  lang_path, script_dirent->d_name);
2891 				return strdup(script_path);
2892 			}
2893 			free(__script_root);
2894 		}
2895 		closedir(lang_dir);
2896 	}
2897 	closedir(scripts_dir);
2898 
2899 	return NULL;
2900 }
2901 
2902 static bool is_top_script(const char *script_path)
2903 {
2904 	return ends_with(script_path, "top") == NULL ? false : true;
2905 }
2906 
2907 static int has_required_arg(char *script_path)
2908 {
2909 	struct script_desc *desc;
2910 	int n_args = 0;
2911 	char *p;
2912 
2913 	desc = script_desc__new(NULL);
2914 
2915 	if (read_script_info(desc, script_path))
2916 		goto out;
2917 
2918 	if (!desc->args)
2919 		goto out;
2920 
2921 	for (p = desc->args; *p; p++)
2922 		if (*p == '<')
2923 			n_args++;
2924 out:
2925 	script_desc__delete(desc);
2926 
2927 	return n_args;
2928 }
2929 
2930 static int have_cmd(int argc, const char **argv)
2931 {
2932 	char **__argv = malloc(sizeof(const char *) * argc);
2933 
2934 	if (!__argv) {
2935 		pr_err("malloc failed\n");
2936 		return -1;
2937 	}
2938 
2939 	memcpy(__argv, argv, sizeof(const char *) * argc);
2940 	argc = parse_options(argc, (const char **)__argv, record_options,
2941 			     NULL, PARSE_OPT_STOP_AT_NON_OPTION);
2942 	free(__argv);
2943 
2944 	system_wide = (argc == 0);
2945 
2946 	return 0;
2947 }
2948 
2949 static void script__setup_sample_type(struct perf_script *script)
2950 {
2951 	struct perf_session *session = script->session;
2952 	u64 sample_type = perf_evlist__combined_sample_type(session->evlist);
2953 
2954 	if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
2955 		if ((sample_type & PERF_SAMPLE_REGS_USER) &&
2956 		    (sample_type & PERF_SAMPLE_STACK_USER)) {
2957 			callchain_param.record_mode = CALLCHAIN_DWARF;
2958 			dwarf_callchain_users = true;
2959 		} else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
2960 			callchain_param.record_mode = CALLCHAIN_LBR;
2961 		else
2962 			callchain_param.record_mode = CALLCHAIN_FP;
2963 	}
2964 }
2965 
2966 static int process_stat_round_event(struct perf_tool *tool __maybe_unused,
2967 				    union perf_event *event,
2968 				    struct perf_session *session)
2969 {
2970 	struct stat_round_event *round = &event->stat_round;
2971 	struct perf_evsel *counter;
2972 
2973 	evlist__for_each_entry(session->evlist, counter) {
2974 		perf_stat_process_counter(&stat_config, counter);
2975 		process_stat(counter, round->time);
2976 	}
2977 
2978 	process_stat_interval(round->time);
2979 	return 0;
2980 }
2981 
2982 static int process_stat_config_event(struct perf_tool *tool __maybe_unused,
2983 				     union perf_event *event,
2984 				     struct perf_session *session __maybe_unused)
2985 {
2986 	perf_event__read_stat_config(&stat_config, &event->stat_config);
2987 	return 0;
2988 }
2989 
2990 static int set_maps(struct perf_script *script)
2991 {
2992 	struct perf_evlist *evlist = script->session->evlist;
2993 
2994 	if (!script->cpus || !script->threads)
2995 		return 0;
2996 
2997 	if (WARN_ONCE(script->allocated, "stats double allocation\n"))
2998 		return -EINVAL;
2999 
3000 	perf_evlist__set_maps(evlist, script->cpus, script->threads);
3001 
3002 	if (perf_evlist__alloc_stats(evlist, true))
3003 		return -ENOMEM;
3004 
3005 	script->allocated = true;
3006 	return 0;
3007 }
3008 
3009 static
3010 int process_thread_map_event(struct perf_tool *tool,
3011 			     union perf_event *event,
3012 			     struct perf_session *session __maybe_unused)
3013 {
3014 	struct perf_script *script = container_of(tool, struct perf_script, tool);
3015 
3016 	if (script->threads) {
3017 		pr_warning("Extra thread map event, ignoring.\n");
3018 		return 0;
3019 	}
3020 
3021 	script->threads = thread_map__new_event(&event->thread_map);
3022 	if (!script->threads)
3023 		return -ENOMEM;
3024 
3025 	return set_maps(script);
3026 }
3027 
3028 static
3029 int process_cpu_map_event(struct perf_tool *tool __maybe_unused,
3030 			  union perf_event *event,
3031 			  struct perf_session *session __maybe_unused)
3032 {
3033 	struct perf_script *script = container_of(tool, struct perf_script, tool);
3034 
3035 	if (script->cpus) {
3036 		pr_warning("Extra cpu map event, ignoring.\n");
3037 		return 0;
3038 	}
3039 
3040 	script->cpus = cpu_map__new_data(&event->cpu_map.data);
3041 	if (!script->cpus)
3042 		return -ENOMEM;
3043 
3044 	return set_maps(script);
3045 }
3046 
3047 static int process_feature_event(struct perf_tool *tool,
3048 				 union perf_event *event,
3049 				 struct perf_session *session)
3050 {
3051 	if (event->feat.feat_id < HEADER_LAST_FEATURE)
3052 		return perf_event__process_feature(tool, event, session);
3053 	return 0;
3054 }
3055 
3056 #ifdef HAVE_AUXTRACE_SUPPORT
3057 static int perf_script__process_auxtrace_info(struct perf_tool *tool,
3058 					      union perf_event *event,
3059 					      struct perf_session *session)
3060 {
3061 	int ret = perf_event__process_auxtrace_info(tool, event, session);
3062 
3063 	if (ret == 0) {
3064 		struct perf_script *script = container_of(tool, struct perf_script, tool);
3065 
3066 		ret = perf_script__setup_per_event_dump(script);
3067 	}
3068 
3069 	return ret;
3070 }
3071 #else
3072 #define perf_script__process_auxtrace_info 0
3073 #endif
3074 
3075 int cmd_script(int argc, const char **argv)
3076 {
3077 	bool show_full_info = false;
3078 	bool header = false;
3079 	bool header_only = false;
3080 	bool script_started = false;
3081 	char *rec_script_path = NULL;
3082 	char *rep_script_path = NULL;
3083 	struct perf_session *session;
3084 	struct itrace_synth_opts itrace_synth_opts = { .set = false, };
3085 	char *script_path = NULL;
3086 	const char **__argv;
3087 	int i, j, err = 0;
3088 	struct perf_script script = {
3089 		.tool = {
3090 			.sample		 = process_sample_event,
3091 			.mmap		 = perf_event__process_mmap,
3092 			.mmap2		 = perf_event__process_mmap2,
3093 			.comm		 = perf_event__process_comm,
3094 			.namespaces	 = perf_event__process_namespaces,
3095 			.exit		 = perf_event__process_exit,
3096 			.fork		 = perf_event__process_fork,
3097 			.attr		 = process_attr,
3098 			.event_update   = perf_event__process_event_update,
3099 			.tracing_data	 = perf_event__process_tracing_data,
3100 			.feature	 = process_feature_event,
3101 			.build_id	 = perf_event__process_build_id,
3102 			.id_index	 = perf_event__process_id_index,
3103 			.auxtrace_info	 = perf_script__process_auxtrace_info,
3104 			.auxtrace	 = perf_event__process_auxtrace,
3105 			.auxtrace_error	 = perf_event__process_auxtrace_error,
3106 			.stat		 = perf_event__process_stat_event,
3107 			.stat_round	 = process_stat_round_event,
3108 			.stat_config	 = process_stat_config_event,
3109 			.thread_map	 = process_thread_map_event,
3110 			.cpu_map	 = process_cpu_map_event,
3111 			.ordered_events	 = true,
3112 			.ordering_requires_timestamps = true,
3113 		},
3114 	};
3115 	struct perf_data data = {
3116 		.mode = PERF_DATA_MODE_READ,
3117 	};
3118 	const struct option options[] = {
3119 	OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3120 		    "dump raw trace in ASCII"),
3121 	OPT_INCR('v', "verbose", &verbose,
3122 		 "be more verbose (show symbol address, etc)"),
3123 	OPT_BOOLEAN('L', "Latency", &latency_format,
3124 		    "show latency attributes (irqs/preemption disabled, etc)"),
3125 	OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3126 			   list_available_scripts),
3127 	OPT_CALLBACK('s', "script", NULL, "name",
3128 		     "script file name (lang:script name, script name, or *)",
3129 		     parse_scriptname),
3130 	OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3131 		   "generate perf-script.xx script in specified language"),
3132 	OPT_STRING('i', "input", &input_name, "file", "input file name"),
3133 	OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3134 		   "do various checks like samples ordering and lost events"),
3135 	OPT_BOOLEAN(0, "header", &header, "Show data header."),
3136 	OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3137 	OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3138 		   "file", "vmlinux pathname"),
3139 	OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3140 		   "file", "kallsyms pathname"),
3141 	OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3142 		    "When printing symbols do not display call chain"),
3143 	OPT_CALLBACK(0, "symfs", NULL, "directory",
3144 		     "Look for files with symbols relative to this directory",
3145 		     symbol__config_symfs),
3146 	OPT_CALLBACK('F', "fields", NULL, "str",
3147 		     "comma separated output fields prepend with 'type:'. "
3148 		     "+field to add and -field to remove."
3149 		     "Valid types: hw,sw,trace,raw,synth. "
3150 		     "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
3151 		     "addr,symoff,srcline,period,iregs,uregs,brstack,"
3152 		     "brstacksym,flags,bpf-output,brstackinsn,brstackoff,"
3153 		     "callindent,insn,insnlen,synth,phys_addr,metric,misc",
3154 		     parse_output_fields),
3155 	OPT_BOOLEAN('a', "all-cpus", &system_wide,
3156 		    "system-wide collection from all CPUs"),
3157 	OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3158 		   "only consider these symbols"),
3159 	OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3160 		   "Stop display of callgraph at these symbols"),
3161 	OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3162 	OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3163 		   "only display events for these comms"),
3164 	OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3165 		   "only consider symbols in these pids"),
3166 	OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3167 		   "only consider symbols in these tids"),
3168 	OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3169 		     "Set the maximum stack depth when parsing the callchain, "
3170 		     "anything beyond the specified depth will be ignored. "
3171 		     "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3172 	OPT_BOOLEAN('I', "show-info", &show_full_info,
3173 		    "display extended information from perf.data file"),
3174 	OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3175 		    "Show the path of [kernel.kallsyms]"),
3176 	OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3177 		    "Show the fork/comm/exit events"),
3178 	OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3179 		    "Show the mmap events"),
3180 	OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3181 		    "Show context switch events (if recorded)"),
3182 	OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3183 		    "Show namespace events (if recorded)"),
3184 	OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3185 		    "Show lost events (if recorded)"),
3186 	OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3187 		    "Show round events (if recorded)"),
3188 	OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
3189 		    "Dump trace output to files named by the monitored events"),
3190 	OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3191 	OPT_INTEGER(0, "max-blocks", &max_blocks,
3192 		    "Maximum number of code blocks to dump with brstackinsn"),
3193 	OPT_BOOLEAN(0, "ns", &nanosecs,
3194 		    "Use 9 decimal places when displaying time"),
3195 	OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
3196 			    "Instruction Tracing options",
3197 			    itrace_parse_synth_opts),
3198 	OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
3199 			"Show full source file name path for source lines"),
3200 	OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
3201 			"Enable symbol demangling"),
3202 	OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
3203 			"Enable kernel symbol demangling"),
3204 	OPT_STRING(0, "time", &script.time_str, "str",
3205 		   "Time span of interest (start,stop)"),
3206 	OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
3207 		    "Show inline function"),
3208 	OPT_END()
3209 	};
3210 	const char * const script_subcommands[] = { "record", "report", NULL };
3211 	const char *script_usage[] = {
3212 		"perf script [<options>]",
3213 		"perf script [<options>] record <script> [<record-options>] <command>",
3214 		"perf script [<options>] report <script> [script-args]",
3215 		"perf script [<options>] <script> [<record-options>] <command>",
3216 		"perf script [<options>] <top-script> [script-args]",
3217 		NULL
3218 	};
3219 
3220 	perf_set_singlethreaded();
3221 
3222 	setup_scripting();
3223 
3224 	argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3225 			     PARSE_OPT_STOP_AT_NON_OPTION);
3226 
3227 	data.file.path = input_name;
3228 	data.force     = symbol_conf.force;
3229 
3230 	if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
3231 		rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
3232 		if (!rec_script_path)
3233 			return cmd_record(argc, argv);
3234 	}
3235 
3236 	if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
3237 		rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
3238 		if (!rep_script_path) {
3239 			fprintf(stderr,
3240 				"Please specify a valid report script"
3241 				"(see 'perf script -l' for listing)\n");
3242 			return -1;
3243 		}
3244 	}
3245 
3246 	if (itrace_synth_opts.callchain &&
3247 	    itrace_synth_opts.callchain_sz > scripting_max_stack)
3248 		scripting_max_stack = itrace_synth_opts.callchain_sz;
3249 
3250 	/* make sure PERF_EXEC_PATH is set for scripts */
3251 	set_argv_exec_path(get_argv_exec_path());
3252 
3253 	if (argc && !script_name && !rec_script_path && !rep_script_path) {
3254 		int live_pipe[2];
3255 		int rep_args;
3256 		pid_t pid;
3257 
3258 		rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
3259 		rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
3260 
3261 		if (!rec_script_path && !rep_script_path) {
3262 			usage_with_options_msg(script_usage, options,
3263 				"Couldn't find script `%s'\n\n See perf"
3264 				" script -l for available scripts.\n", argv[0]);
3265 		}
3266 
3267 		if (is_top_script(argv[0])) {
3268 			rep_args = argc - 1;
3269 		} else {
3270 			int rec_args;
3271 
3272 			rep_args = has_required_arg(rep_script_path);
3273 			rec_args = (argc - 1) - rep_args;
3274 			if (rec_args < 0) {
3275 				usage_with_options_msg(script_usage, options,
3276 					"`%s' script requires options."
3277 					"\n\n See perf script -l for available "
3278 					"scripts and options.\n", argv[0]);
3279 			}
3280 		}
3281 
3282 		if (pipe(live_pipe) < 0) {
3283 			perror("failed to create pipe");
3284 			return -1;
3285 		}
3286 
3287 		pid = fork();
3288 		if (pid < 0) {
3289 			perror("failed to fork");
3290 			return -1;
3291 		}
3292 
3293 		if (!pid) {
3294 			j = 0;
3295 
3296 			dup2(live_pipe[1], 1);
3297 			close(live_pipe[0]);
3298 
3299 			if (is_top_script(argv[0])) {
3300 				system_wide = true;
3301 			} else if (!system_wide) {
3302 				if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
3303 					err = -1;
3304 					goto out;
3305 				}
3306 			}
3307 
3308 			__argv = malloc((argc + 6) * sizeof(const char *));
3309 			if (!__argv) {
3310 				pr_err("malloc failed\n");
3311 				err = -ENOMEM;
3312 				goto out;
3313 			}
3314 
3315 			__argv[j++] = "/bin/sh";
3316 			__argv[j++] = rec_script_path;
3317 			if (system_wide)
3318 				__argv[j++] = "-a";
3319 			__argv[j++] = "-q";
3320 			__argv[j++] = "-o";
3321 			__argv[j++] = "-";
3322 			for (i = rep_args + 1; i < argc; i++)
3323 				__argv[j++] = argv[i];
3324 			__argv[j++] = NULL;
3325 
3326 			execvp("/bin/sh", (char **)__argv);
3327 			free(__argv);
3328 			exit(-1);
3329 		}
3330 
3331 		dup2(live_pipe[0], 0);
3332 		close(live_pipe[1]);
3333 
3334 		__argv = malloc((argc + 4) * sizeof(const char *));
3335 		if (!__argv) {
3336 			pr_err("malloc failed\n");
3337 			err = -ENOMEM;
3338 			goto out;
3339 		}
3340 
3341 		j = 0;
3342 		__argv[j++] = "/bin/sh";
3343 		__argv[j++] = rep_script_path;
3344 		for (i = 1; i < rep_args + 1; i++)
3345 			__argv[j++] = argv[i];
3346 		__argv[j++] = "-i";
3347 		__argv[j++] = "-";
3348 		__argv[j++] = NULL;
3349 
3350 		execvp("/bin/sh", (char **)__argv);
3351 		free(__argv);
3352 		exit(-1);
3353 	}
3354 
3355 	if (rec_script_path)
3356 		script_path = rec_script_path;
3357 	if (rep_script_path)
3358 		script_path = rep_script_path;
3359 
3360 	if (script_path) {
3361 		j = 0;
3362 
3363 		if (!rec_script_path)
3364 			system_wide = false;
3365 		else if (!system_wide) {
3366 			if (have_cmd(argc - 1, &argv[1]) != 0) {
3367 				err = -1;
3368 				goto out;
3369 			}
3370 		}
3371 
3372 		__argv = malloc((argc + 2) * sizeof(const char *));
3373 		if (!__argv) {
3374 			pr_err("malloc failed\n");
3375 			err = -ENOMEM;
3376 			goto out;
3377 		}
3378 
3379 		__argv[j++] = "/bin/sh";
3380 		__argv[j++] = script_path;
3381 		if (system_wide)
3382 			__argv[j++] = "-a";
3383 		for (i = 2; i < argc; i++)
3384 			__argv[j++] = argv[i];
3385 		__argv[j++] = NULL;
3386 
3387 		execvp("/bin/sh", (char **)__argv);
3388 		free(__argv);
3389 		exit(-1);
3390 	}
3391 
3392 	if (!script_name)
3393 		setup_pager();
3394 
3395 	session = perf_session__new(&data, false, &script.tool);
3396 	if (session == NULL)
3397 		return -1;
3398 
3399 	if (header || header_only) {
3400 		script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
3401 		perf_session__fprintf_info(session, stdout, show_full_info);
3402 		if (header_only)
3403 			goto out_delete;
3404 	}
3405 	if (show_full_info)
3406 		script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
3407 
3408 	if (symbol__init(&session->header.env) < 0)
3409 		goto out_delete;
3410 
3411 	script.session = session;
3412 	script__setup_sample_type(&script);
3413 
3414 	if (output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT)
3415 		itrace_synth_opts.thread_stack = true;
3416 
3417 	session->itrace_synth_opts = &itrace_synth_opts;
3418 
3419 	if (cpu_list) {
3420 		err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
3421 		if (err < 0)
3422 			goto out_delete;
3423 		itrace_synth_opts.cpu_bitmap = cpu_bitmap;
3424 	}
3425 
3426 	if (!no_callchain)
3427 		symbol_conf.use_callchain = true;
3428 	else
3429 		symbol_conf.use_callchain = false;
3430 
3431 	if (session->tevent.pevent &&
3432 	    tep_set_function_resolver(session->tevent.pevent,
3433 				      machine__resolve_kernel_addr,
3434 				      &session->machines.host) < 0) {
3435 		pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
3436 		err = -1;
3437 		goto out_delete;
3438 	}
3439 
3440 	if (generate_script_lang) {
3441 		struct stat perf_stat;
3442 		int input;
3443 
3444 		if (output_set_by_user()) {
3445 			fprintf(stderr,
3446 				"custom fields not supported for generated scripts");
3447 			err = -EINVAL;
3448 			goto out_delete;
3449 		}
3450 
3451 		input = open(data.file.path, O_RDONLY);	/* input_name */
3452 		if (input < 0) {
3453 			err = -errno;
3454 			perror("failed to open file");
3455 			goto out_delete;
3456 		}
3457 
3458 		err = fstat(input, &perf_stat);
3459 		if (err < 0) {
3460 			perror("failed to stat file");
3461 			goto out_delete;
3462 		}
3463 
3464 		if (!perf_stat.st_size) {
3465 			fprintf(stderr, "zero-sized file, nothing to do!\n");
3466 			goto out_delete;
3467 		}
3468 
3469 		scripting_ops = script_spec__lookup(generate_script_lang);
3470 		if (!scripting_ops) {
3471 			fprintf(stderr, "invalid language specifier");
3472 			err = -ENOENT;
3473 			goto out_delete;
3474 		}
3475 
3476 		err = scripting_ops->generate_script(session->tevent.pevent,
3477 						     "perf-script");
3478 		goto out_delete;
3479 	}
3480 
3481 	if (script_name) {
3482 		err = scripting_ops->start_script(script_name, argc, argv);
3483 		if (err)
3484 			goto out_delete;
3485 		pr_debug("perf script started with script %s\n\n", script_name);
3486 		script_started = true;
3487 	}
3488 
3489 
3490 	err = perf_session__check_output_opt(session);
3491 	if (err < 0)
3492 		goto out_delete;
3493 
3494 	script.ptime_range = perf_time__range_alloc(script.time_str,
3495 						    &script.range_size);
3496 	if (!script.ptime_range) {
3497 		err = -ENOMEM;
3498 		goto out_delete;
3499 	}
3500 
3501 	/* needs to be parsed after looking up reference time */
3502 	if (perf_time__parse_str(script.ptime_range, script.time_str) != 0) {
3503 		if (session->evlist->first_sample_time == 0 &&
3504 		    session->evlist->last_sample_time == 0) {
3505 			pr_err("HINT: no first/last sample time found in perf data.\n"
3506 			       "Please use latest perf binary to execute 'perf record'\n"
3507 			       "(if '--buildid-all' is enabled, please set '--timestamp-boundary').\n");
3508 			err = -EINVAL;
3509 			goto out_delete;
3510 		}
3511 
3512 		script.range_num = perf_time__percent_parse_str(
3513 					script.ptime_range, script.range_size,
3514 					script.time_str,
3515 					session->evlist->first_sample_time,
3516 					session->evlist->last_sample_time);
3517 
3518 		if (script.range_num < 0) {
3519 			pr_err("Invalid time string\n");
3520 			err = -EINVAL;
3521 			goto out_delete;
3522 		}
3523 	} else {
3524 		script.range_num = 1;
3525 	}
3526 
3527 	err = __cmd_script(&script);
3528 
3529 	flush_scripting();
3530 
3531 out_delete:
3532 	zfree(&script.ptime_range);
3533 
3534 	perf_evlist__free_stats(session->evlist);
3535 	perf_session__delete(session);
3536 
3537 	if (script_started)
3538 		cleanup_scripting();
3539 out:
3540 	return err;
3541 }
3542