xref: /openbmc/linux/tools/perf/builtin-script.c (revision be80507d)
1 // SPDX-License-Identifier: GPL-2.0
2 #include "builtin.h"
3 
4 #include "util/counts.h"
5 #include "util/debug.h"
6 #include "util/dso.h"
7 #include <subcmd/exec-cmd.h>
8 #include "util/header.h"
9 #include <subcmd/parse-options.h>
10 #include "util/perf_regs.h"
11 #include "util/session.h"
12 #include "util/tool.h"
13 #include "util/map.h"
14 #include "util/srcline.h"
15 #include "util/symbol.h"
16 #include "util/thread.h"
17 #include "util/trace-event.h"
18 #include "util/evlist.h"
19 #include "util/evsel.h"
20 #include "util/evsel_fprintf.h"
21 #include "util/evswitch.h"
22 #include "util/sort.h"
23 #include "util/data.h"
24 #include "util/auxtrace.h"
25 #include "util/cpumap.h"
26 #include "util/thread_map.h"
27 #include "util/stat.h"
28 #include "util/color.h"
29 #include "util/string2.h"
30 #include "util/thread-stack.h"
31 #include "util/time-utils.h"
32 #include "util/path.h"
33 #include "ui/ui.h"
34 #include "print_binary.h"
35 #include "archinsn.h"
36 #include <linux/bitmap.h>
37 #include <linux/kernel.h>
38 #include <linux/stringify.h>
39 #include <linux/time64.h>
40 #include <linux/zalloc.h>
41 #include <sys/utsname.h>
42 #include "asm/bug.h"
43 #include "util/mem-events.h"
44 #include "util/dump-insn.h"
45 #include <dirent.h>
46 #include <errno.h>
47 #include <inttypes.h>
48 #include <signal.h>
49 #include <sys/param.h>
50 #include <sys/types.h>
51 #include <sys/stat.h>
52 #include <fcntl.h>
53 #include <unistd.h>
54 #include <subcmd/pager.h>
55 #include <perf/evlist.h>
56 #include <linux/err.h>
57 #include "util/record.h"
58 #include "util/util.h"
59 #include "perf.h"
60 
61 #include <linux/ctype.h>
62 
63 static char const		*script_name;
64 static char const		*generate_script_lang;
65 static bool			reltime;
66 static u64			initial_time;
67 static bool			debug_mode;
68 static u64			last_timestamp;
69 static u64			nr_unordered;
70 static bool			no_callchain;
71 static bool			latency_format;
72 static bool			system_wide;
73 static bool			print_flags;
74 static const char		*cpu_list;
75 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
76 static struct perf_stat_config	stat_config;
77 static int			max_blocks;
78 static bool			native_arch;
79 
80 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
81 
82 enum perf_output_field {
83 	PERF_OUTPUT_COMM            = 1U << 0,
84 	PERF_OUTPUT_TID             = 1U << 1,
85 	PERF_OUTPUT_PID             = 1U << 2,
86 	PERF_OUTPUT_TIME            = 1U << 3,
87 	PERF_OUTPUT_CPU             = 1U << 4,
88 	PERF_OUTPUT_EVNAME          = 1U << 5,
89 	PERF_OUTPUT_TRACE           = 1U << 6,
90 	PERF_OUTPUT_IP              = 1U << 7,
91 	PERF_OUTPUT_SYM             = 1U << 8,
92 	PERF_OUTPUT_DSO             = 1U << 9,
93 	PERF_OUTPUT_ADDR            = 1U << 10,
94 	PERF_OUTPUT_SYMOFFSET       = 1U << 11,
95 	PERF_OUTPUT_SRCLINE         = 1U << 12,
96 	PERF_OUTPUT_PERIOD          = 1U << 13,
97 	PERF_OUTPUT_IREGS	    = 1U << 14,
98 	PERF_OUTPUT_BRSTACK	    = 1U << 15,
99 	PERF_OUTPUT_BRSTACKSYM	    = 1U << 16,
100 	PERF_OUTPUT_DATA_SRC	    = 1U << 17,
101 	PERF_OUTPUT_WEIGHT	    = 1U << 18,
102 	PERF_OUTPUT_BPF_OUTPUT	    = 1U << 19,
103 	PERF_OUTPUT_CALLINDENT	    = 1U << 20,
104 	PERF_OUTPUT_INSN	    = 1U << 21,
105 	PERF_OUTPUT_INSNLEN	    = 1U << 22,
106 	PERF_OUTPUT_BRSTACKINSN	    = 1U << 23,
107 	PERF_OUTPUT_BRSTACKOFF	    = 1U << 24,
108 	PERF_OUTPUT_SYNTH           = 1U << 25,
109 	PERF_OUTPUT_PHYS_ADDR       = 1U << 26,
110 	PERF_OUTPUT_UREGS	    = 1U << 27,
111 	PERF_OUTPUT_METRIC	    = 1U << 28,
112 	PERF_OUTPUT_MISC            = 1U << 29,
113 	PERF_OUTPUT_SRCCODE	    = 1U << 30,
114 	PERF_OUTPUT_IPC             = 1U << 31,
115 };
116 
117 struct output_option {
118 	const char *str;
119 	enum perf_output_field field;
120 } all_output_options[] = {
121 	{.str = "comm",  .field = PERF_OUTPUT_COMM},
122 	{.str = "tid",   .field = PERF_OUTPUT_TID},
123 	{.str = "pid",   .field = PERF_OUTPUT_PID},
124 	{.str = "time",  .field = PERF_OUTPUT_TIME},
125 	{.str = "cpu",   .field = PERF_OUTPUT_CPU},
126 	{.str = "event", .field = PERF_OUTPUT_EVNAME},
127 	{.str = "trace", .field = PERF_OUTPUT_TRACE},
128 	{.str = "ip",    .field = PERF_OUTPUT_IP},
129 	{.str = "sym",   .field = PERF_OUTPUT_SYM},
130 	{.str = "dso",   .field = PERF_OUTPUT_DSO},
131 	{.str = "addr",  .field = PERF_OUTPUT_ADDR},
132 	{.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
133 	{.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
134 	{.str = "period", .field = PERF_OUTPUT_PERIOD},
135 	{.str = "iregs", .field = PERF_OUTPUT_IREGS},
136 	{.str = "uregs", .field = PERF_OUTPUT_UREGS},
137 	{.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
138 	{.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
139 	{.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
140 	{.str = "weight",   .field = PERF_OUTPUT_WEIGHT},
141 	{.str = "bpf-output",   .field = PERF_OUTPUT_BPF_OUTPUT},
142 	{.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
143 	{.str = "insn", .field = PERF_OUTPUT_INSN},
144 	{.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
145 	{.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
146 	{.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
147 	{.str = "synth", .field = PERF_OUTPUT_SYNTH},
148 	{.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
149 	{.str = "metric", .field = PERF_OUTPUT_METRIC},
150 	{.str = "misc", .field = PERF_OUTPUT_MISC},
151 	{.str = "srccode", .field = PERF_OUTPUT_SRCCODE},
152 	{.str = "ipc", .field = PERF_OUTPUT_IPC},
153 };
154 
155 enum {
156 	OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
157 	OUTPUT_TYPE_MAX
158 };
159 
160 /* default set to maintain compatibility with current format */
161 static struct {
162 	bool user_set;
163 	bool wildcard_set;
164 	unsigned int print_ip_opts;
165 	u64 fields;
166 	u64 invalid_fields;
167 	u64 user_set_fields;
168 } output[OUTPUT_TYPE_MAX] = {
169 
170 	[PERF_TYPE_HARDWARE] = {
171 		.user_set = false,
172 
173 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
174 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
175 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
176 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
177 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
178 
179 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
180 	},
181 
182 	[PERF_TYPE_SOFTWARE] = {
183 		.user_set = false,
184 
185 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
186 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
187 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
188 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
189 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
190 			      PERF_OUTPUT_BPF_OUTPUT,
191 
192 		.invalid_fields = PERF_OUTPUT_TRACE,
193 	},
194 
195 	[PERF_TYPE_TRACEPOINT] = {
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_TRACE
201 	},
202 
203 	[PERF_TYPE_HW_CACHE] = {
204 		.user_set = false,
205 
206 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
207 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
208 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
209 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
210 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
211 
212 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
213 	},
214 
215 	[PERF_TYPE_RAW] = {
216 		.user_set = false,
217 
218 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
219 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
220 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
221 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
222 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
223 			      PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
224 			      PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR,
225 
226 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
227 	},
228 
229 	[PERF_TYPE_BREAKPOINT] = {
230 		.user_set = false,
231 
232 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
233 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
234 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
235 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
236 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
237 
238 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
239 	},
240 
241 	[OUTPUT_TYPE_SYNTH] = {
242 		.user_set = false,
243 
244 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
245 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
246 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
247 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
248 			      PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH,
249 
250 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
251 	},
252 };
253 
254 struct evsel_script {
255        char *filename;
256        FILE *fp;
257        u64  samples;
258        /* For metric output */
259        u64  val;
260        int  gnum;
261 };
262 
263 static inline struct evsel_script *evsel_script(struct evsel *evsel)
264 {
265 	return (struct evsel_script *)evsel->priv;
266 }
267 
268 static struct evsel_script *perf_evsel_script__new(struct evsel *evsel,
269 							struct perf_data *data)
270 {
271 	struct evsel_script *es = zalloc(sizeof(*es));
272 
273 	if (es != NULL) {
274 		if (asprintf(&es->filename, "%s.%s.dump", data->file.path, perf_evsel__name(evsel)) < 0)
275 			goto out_free;
276 		es->fp = fopen(es->filename, "w");
277 		if (es->fp == NULL)
278 			goto out_free_filename;
279 	}
280 
281 	return es;
282 out_free_filename:
283 	zfree(&es->filename);
284 out_free:
285 	free(es);
286 	return NULL;
287 }
288 
289 static void perf_evsel_script__delete(struct evsel_script *es)
290 {
291 	zfree(&es->filename);
292 	fclose(es->fp);
293 	es->fp = NULL;
294 	free(es);
295 }
296 
297 static int perf_evsel_script__fprintf(struct evsel_script *es, FILE *fp)
298 {
299 	struct stat st;
300 
301 	fstat(fileno(es->fp), &st);
302 	return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
303 		       st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
304 }
305 
306 static inline int output_type(unsigned int type)
307 {
308 	switch (type) {
309 	case PERF_TYPE_SYNTH:
310 		return OUTPUT_TYPE_SYNTH;
311 	default:
312 		return type;
313 	}
314 }
315 
316 static inline unsigned int attr_type(unsigned int type)
317 {
318 	switch (type) {
319 	case OUTPUT_TYPE_SYNTH:
320 		return PERF_TYPE_SYNTH;
321 	default:
322 		return type;
323 	}
324 }
325 
326 static bool output_set_by_user(void)
327 {
328 	int j;
329 	for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
330 		if (output[j].user_set)
331 			return true;
332 	}
333 	return false;
334 }
335 
336 static const char *output_field2str(enum perf_output_field field)
337 {
338 	int i, imax = ARRAY_SIZE(all_output_options);
339 	const char *str = "";
340 
341 	for (i = 0; i < imax; ++i) {
342 		if (all_output_options[i].field == field) {
343 			str = all_output_options[i].str;
344 			break;
345 		}
346 	}
347 	return str;
348 }
349 
350 #define PRINT_FIELD(x)  (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
351 
352 static int perf_evsel__do_check_stype(struct evsel *evsel,
353 				      u64 sample_type, const char *sample_msg,
354 				      enum perf_output_field field,
355 				      bool allow_user_set)
356 {
357 	struct perf_event_attr *attr = &evsel->core.attr;
358 	int type = output_type(attr->type);
359 	const char *evname;
360 
361 	if (attr->sample_type & sample_type)
362 		return 0;
363 
364 	if (output[type].user_set_fields & field) {
365 		if (allow_user_set)
366 			return 0;
367 		evname = perf_evsel__name(evsel);
368 		pr_err("Samples for '%s' event do not have %s attribute set. "
369 		       "Cannot print '%s' field.\n",
370 		       evname, sample_msg, output_field2str(field));
371 		return -1;
372 	}
373 
374 	/* user did not ask for it explicitly so remove from the default list */
375 	output[type].fields &= ~field;
376 	evname = perf_evsel__name(evsel);
377 	pr_debug("Samples for '%s' event do not have %s attribute set. "
378 		 "Skipping '%s' field.\n",
379 		 evname, sample_msg, output_field2str(field));
380 
381 	return 0;
382 }
383 
384 static int perf_evsel__check_stype(struct evsel *evsel,
385 				   u64 sample_type, const char *sample_msg,
386 				   enum perf_output_field field)
387 {
388 	return perf_evsel__do_check_stype(evsel, sample_type, sample_msg, field,
389 					  false);
390 }
391 
392 static int perf_evsel__check_attr(struct evsel *evsel,
393 				  struct perf_session *session)
394 {
395 	struct perf_event_attr *attr = &evsel->core.attr;
396 	bool allow_user_set;
397 
398 	if (perf_header__has_feat(&session->header, HEADER_STAT))
399 		return 0;
400 
401 	allow_user_set = perf_header__has_feat(&session->header,
402 					       HEADER_AUXTRACE);
403 
404 	if (PRINT_FIELD(TRACE) &&
405 		!perf_session__has_traces(session, "record -R"))
406 		return -EINVAL;
407 
408 	if (PRINT_FIELD(IP)) {
409 		if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP",
410 					    PERF_OUTPUT_IP))
411 			return -EINVAL;
412 	}
413 
414 	if (PRINT_FIELD(ADDR) &&
415 		perf_evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR",
416 					   PERF_OUTPUT_ADDR, allow_user_set))
417 		return -EINVAL;
418 
419 	if (PRINT_FIELD(DATA_SRC) &&
420 		perf_evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC",
421 					PERF_OUTPUT_DATA_SRC))
422 		return -EINVAL;
423 
424 	if (PRINT_FIELD(WEIGHT) &&
425 		perf_evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT",
426 					PERF_OUTPUT_WEIGHT))
427 		return -EINVAL;
428 
429 	if (PRINT_FIELD(SYM) &&
430 		!(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
431 		pr_err("Display of symbols requested but neither sample IP nor "
432 			   "sample address\navailable. Hence, no addresses to convert "
433 		       "to symbols.\n");
434 		return -EINVAL;
435 	}
436 	if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
437 		pr_err("Display of offsets requested but symbol is not"
438 		       "selected.\n");
439 		return -EINVAL;
440 	}
441 	if (PRINT_FIELD(DSO) &&
442 		!(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
443 		pr_err("Display of DSO requested but no address to convert.\n");
444 		return -EINVAL;
445 	}
446 	if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) {
447 		pr_err("Display of source line number requested but sample IP is not\n"
448 		       "selected. Hence, no address to lookup the source line number.\n");
449 		return -EINVAL;
450 	}
451 	if (PRINT_FIELD(BRSTACKINSN) &&
452 	    !(perf_evlist__combined_branch_type(session->evlist) &
453 	      PERF_SAMPLE_BRANCH_ANY)) {
454 		pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
455 		       "Hint: run 'perf record -b ...'\n");
456 		return -EINVAL;
457 	}
458 	if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
459 		perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID",
460 					PERF_OUTPUT_TID|PERF_OUTPUT_PID))
461 		return -EINVAL;
462 
463 	if (PRINT_FIELD(TIME) &&
464 		perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME",
465 					PERF_OUTPUT_TIME))
466 		return -EINVAL;
467 
468 	if (PRINT_FIELD(CPU) &&
469 		perf_evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU",
470 					   PERF_OUTPUT_CPU, allow_user_set))
471 		return -EINVAL;
472 
473 	if (PRINT_FIELD(IREGS) &&
474 		perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS",
475 					PERF_OUTPUT_IREGS))
476 		return -EINVAL;
477 
478 	if (PRINT_FIELD(UREGS) &&
479 		perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS",
480 					PERF_OUTPUT_UREGS))
481 		return -EINVAL;
482 
483 	if (PRINT_FIELD(PHYS_ADDR) &&
484 		perf_evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR",
485 					PERF_OUTPUT_PHYS_ADDR))
486 		return -EINVAL;
487 
488 	return 0;
489 }
490 
491 static void set_print_ip_opts(struct perf_event_attr *attr)
492 {
493 	unsigned int type = output_type(attr->type);
494 
495 	output[type].print_ip_opts = 0;
496 	if (PRINT_FIELD(IP))
497 		output[type].print_ip_opts |= EVSEL__PRINT_IP;
498 
499 	if (PRINT_FIELD(SYM))
500 		output[type].print_ip_opts |= EVSEL__PRINT_SYM;
501 
502 	if (PRINT_FIELD(DSO))
503 		output[type].print_ip_opts |= EVSEL__PRINT_DSO;
504 
505 	if (PRINT_FIELD(SYMOFFSET))
506 		output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
507 
508 	if (PRINT_FIELD(SRCLINE))
509 		output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
510 }
511 
512 /*
513  * verify all user requested events exist and the samples
514  * have the expected data
515  */
516 static int perf_session__check_output_opt(struct perf_session *session)
517 {
518 	unsigned int j;
519 	struct evsel *evsel;
520 
521 	for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
522 		evsel = perf_session__find_first_evtype(session, attr_type(j));
523 
524 		/*
525 		 * even if fields is set to 0 (ie., show nothing) event must
526 		 * exist if user explicitly includes it on the command line
527 		 */
528 		if (!evsel && output[j].user_set && !output[j].wildcard_set &&
529 		    j != OUTPUT_TYPE_SYNTH) {
530 			pr_err("%s events do not exist. "
531 			       "Remove corresponding -F option to proceed.\n",
532 			       event_type(j));
533 			return -1;
534 		}
535 
536 		if (evsel && output[j].fields &&
537 			perf_evsel__check_attr(evsel, session))
538 			return -1;
539 
540 		if (evsel == NULL)
541 			continue;
542 
543 		set_print_ip_opts(&evsel->core.attr);
544 	}
545 
546 	if (!no_callchain) {
547 		bool use_callchain = false;
548 		bool not_pipe = false;
549 
550 		evlist__for_each_entry(session->evlist, evsel) {
551 			not_pipe = true;
552 			if (evsel__has_callchain(evsel)) {
553 				use_callchain = true;
554 				break;
555 			}
556 		}
557 		if (not_pipe && !use_callchain)
558 			symbol_conf.use_callchain = false;
559 	}
560 
561 	/*
562 	 * set default for tracepoints to print symbols only
563 	 * if callchains are present
564 	 */
565 	if (symbol_conf.use_callchain &&
566 	    !output[PERF_TYPE_TRACEPOINT].user_set) {
567 		j = PERF_TYPE_TRACEPOINT;
568 
569 		evlist__for_each_entry(session->evlist, evsel) {
570 			if (evsel->core.attr.type != j)
571 				continue;
572 
573 			if (evsel__has_callchain(evsel)) {
574 				output[j].fields |= PERF_OUTPUT_IP;
575 				output[j].fields |= PERF_OUTPUT_SYM;
576 				output[j].fields |= PERF_OUTPUT_SYMOFFSET;
577 				output[j].fields |= PERF_OUTPUT_DSO;
578 				set_print_ip_opts(&evsel->core.attr);
579 				goto out;
580 			}
581 		}
582 	}
583 
584 out:
585 	return 0;
586 }
587 
588 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask,
589 				     FILE *fp
590 )
591 {
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 	fprintf(fp, "\n");
606 
607 	return printed;
608 }
609 
610 static int perf_sample__fprintf_iregs(struct perf_sample *sample,
611 				      struct perf_event_attr *attr, FILE *fp)
612 {
613 	return perf_sample__fprintf_regs(&sample->intr_regs,
614 					 attr->sample_regs_intr, fp);
615 }
616 
617 static int perf_sample__fprintf_uregs(struct perf_sample *sample,
618 				      struct perf_event_attr *attr, FILE *fp)
619 {
620 	return perf_sample__fprintf_regs(&sample->user_regs,
621 					 attr->sample_regs_user, fp);
622 }
623 
624 static int perf_sample__fprintf_start(struct perf_sample *sample,
625 				      struct thread *thread,
626 				      struct evsel *evsel,
627 				      u32 type, FILE *fp)
628 {
629 	struct perf_event_attr *attr = &evsel->core.attr;
630 	unsigned long secs;
631 	unsigned long long nsecs;
632 	int printed = 0;
633 
634 	if (PRINT_FIELD(COMM)) {
635 		if (latency_format)
636 			printed += fprintf(fp, "%8.8s ", thread__comm_str(thread));
637 		else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
638 			printed += fprintf(fp, "%s ", thread__comm_str(thread));
639 		else
640 			printed += fprintf(fp, "%16s ", thread__comm_str(thread));
641 	}
642 
643 	if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
644 		printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid);
645 	else if (PRINT_FIELD(PID))
646 		printed += fprintf(fp, "%5d ", sample->pid);
647 	else if (PRINT_FIELD(TID))
648 		printed += fprintf(fp, "%5d ", sample->tid);
649 
650 	if (PRINT_FIELD(CPU)) {
651 		if (latency_format)
652 			printed += fprintf(fp, "%3d ", sample->cpu);
653 		else
654 			printed += fprintf(fp, "[%03d] ", sample->cpu);
655 	}
656 
657 	if (PRINT_FIELD(MISC)) {
658 		int ret = 0;
659 
660 		#define has(m) \
661 			(sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
662 
663 		if (has(KERNEL))
664 			ret += fprintf(fp, "K");
665 		if (has(USER))
666 			ret += fprintf(fp, "U");
667 		if (has(HYPERVISOR))
668 			ret += fprintf(fp, "H");
669 		if (has(GUEST_KERNEL))
670 			ret += fprintf(fp, "G");
671 		if (has(GUEST_USER))
672 			ret += fprintf(fp, "g");
673 
674 		switch (type) {
675 		case PERF_RECORD_MMAP:
676 		case PERF_RECORD_MMAP2:
677 			if (has(MMAP_DATA))
678 				ret += fprintf(fp, "M");
679 			break;
680 		case PERF_RECORD_COMM:
681 			if (has(COMM_EXEC))
682 				ret += fprintf(fp, "E");
683 			break;
684 		case PERF_RECORD_SWITCH:
685 		case PERF_RECORD_SWITCH_CPU_WIDE:
686 			if (has(SWITCH_OUT)) {
687 				ret += fprintf(fp, "S");
688 				if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
689 					ret += fprintf(fp, "p");
690 			}
691 		default:
692 			break;
693 		}
694 
695 		#undef has
696 
697 		ret += fprintf(fp, "%*s", 6 - ret, " ");
698 		printed += ret;
699 	}
700 
701 	if (PRINT_FIELD(TIME)) {
702 		u64 t = sample->time;
703 		if (reltime) {
704 			if (!initial_time)
705 				initial_time = sample->time;
706 			t = sample->time - initial_time;
707 		}
708 		nsecs = t;
709 		secs = nsecs / NSEC_PER_SEC;
710 		nsecs -= secs * NSEC_PER_SEC;
711 
712 		if (symbol_conf.nanosecs)
713 			printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
714 		else {
715 			char sample_time[32];
716 			timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time));
717 			printed += fprintf(fp, "%12s: ", sample_time);
718 		}
719 	}
720 
721 	return printed;
722 }
723 
724 static inline char
725 mispred_str(struct branch_entry *br)
726 {
727 	if (!(br->flags.mispred  || br->flags.predicted))
728 		return '-';
729 
730 	return br->flags.predicted ? 'P' : 'M';
731 }
732 
733 static int perf_sample__fprintf_brstack(struct perf_sample *sample,
734 					struct thread *thread,
735 					struct perf_event_attr *attr, FILE *fp)
736 {
737 	struct branch_stack *br = sample->branch_stack;
738 	struct addr_location alf, alt;
739 	u64 i, from, to;
740 	int printed = 0;
741 
742 	if (!(br && br->nr))
743 		return 0;
744 
745 	for (i = 0; i < br->nr; i++) {
746 		from = br->entries[i].from;
747 		to   = br->entries[i].to;
748 
749 		if (PRINT_FIELD(DSO)) {
750 			memset(&alf, 0, sizeof(alf));
751 			memset(&alt, 0, sizeof(alt));
752 			thread__find_map_fb(thread, sample->cpumode, from, &alf);
753 			thread__find_map_fb(thread, sample->cpumode, to, &alt);
754 		}
755 
756 		printed += fprintf(fp, " 0x%"PRIx64, from);
757 		if (PRINT_FIELD(DSO)) {
758 			printed += fprintf(fp, "(");
759 			printed += map__fprintf_dsoname(alf.map, fp);
760 			printed += fprintf(fp, ")");
761 		}
762 
763 		printed += fprintf(fp, "/0x%"PRIx64, to);
764 		if (PRINT_FIELD(DSO)) {
765 			printed += fprintf(fp, "(");
766 			printed += map__fprintf_dsoname(alt.map, fp);
767 			printed += fprintf(fp, ")");
768 		}
769 
770 		printed += fprintf(fp, "/%c/%c/%c/%d ",
771 			mispred_str( br->entries + i),
772 			br->entries[i].flags.in_tx? 'X' : '-',
773 			br->entries[i].flags.abort? 'A' : '-',
774 			br->entries[i].flags.cycles);
775 	}
776 
777 	return printed;
778 }
779 
780 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
781 					   struct thread *thread,
782 					   struct perf_event_attr *attr, FILE *fp)
783 {
784 	struct branch_stack *br = sample->branch_stack;
785 	struct addr_location alf, alt;
786 	u64 i, from, to;
787 	int printed = 0;
788 
789 	if (!(br && br->nr))
790 		return 0;
791 
792 	for (i = 0; i < br->nr; i++) {
793 
794 		memset(&alf, 0, sizeof(alf));
795 		memset(&alt, 0, sizeof(alt));
796 		from = br->entries[i].from;
797 		to   = br->entries[i].to;
798 
799 		thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
800 		thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
801 
802 		printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
803 		if (PRINT_FIELD(DSO)) {
804 			printed += fprintf(fp, "(");
805 			printed += map__fprintf_dsoname(alf.map, fp);
806 			printed += fprintf(fp, ")");
807 		}
808 		printed += fprintf(fp, "%c", '/');
809 		printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
810 		if (PRINT_FIELD(DSO)) {
811 			printed += fprintf(fp, "(");
812 			printed += map__fprintf_dsoname(alt.map, fp);
813 			printed += fprintf(fp, ")");
814 		}
815 		printed += fprintf(fp, "/%c/%c/%c/%d ",
816 			mispred_str( br->entries + i),
817 			br->entries[i].flags.in_tx? 'X' : '-',
818 			br->entries[i].flags.abort? 'A' : '-',
819 			br->entries[i].flags.cycles);
820 	}
821 
822 	return printed;
823 }
824 
825 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
826 					   struct thread *thread,
827 					   struct perf_event_attr *attr, FILE *fp)
828 {
829 	struct branch_stack *br = sample->branch_stack;
830 	struct addr_location alf, alt;
831 	u64 i, from, to;
832 	int printed = 0;
833 
834 	if (!(br && br->nr))
835 		return 0;
836 
837 	for (i = 0; i < br->nr; i++) {
838 
839 		memset(&alf, 0, sizeof(alf));
840 		memset(&alt, 0, sizeof(alt));
841 		from = br->entries[i].from;
842 		to   = br->entries[i].to;
843 
844 		if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
845 		    !alf.map->dso->adjust_symbols)
846 			from = map__map_ip(alf.map, from);
847 
848 		if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
849 		    !alt.map->dso->adjust_symbols)
850 			to = map__map_ip(alt.map, to);
851 
852 		printed += fprintf(fp, " 0x%"PRIx64, from);
853 		if (PRINT_FIELD(DSO)) {
854 			printed += fprintf(fp, "(");
855 			printed += map__fprintf_dsoname(alf.map, fp);
856 			printed += fprintf(fp, ")");
857 		}
858 		printed += fprintf(fp, "/0x%"PRIx64, to);
859 		if (PRINT_FIELD(DSO)) {
860 			printed += fprintf(fp, "(");
861 			printed += map__fprintf_dsoname(alt.map, fp);
862 			printed += fprintf(fp, ")");
863 		}
864 		printed += fprintf(fp, "/%c/%c/%c/%d ",
865 			mispred_str(br->entries + i),
866 			br->entries[i].flags.in_tx ? 'X' : '-',
867 			br->entries[i].flags.abort ? 'A' : '-',
868 			br->entries[i].flags.cycles);
869 	}
870 
871 	return printed;
872 }
873 #define MAXBB 16384UL
874 
875 static int grab_bb(u8 *buffer, u64 start, u64 end,
876 		    struct machine *machine, struct thread *thread,
877 		    bool *is64bit, u8 *cpumode, bool last)
878 {
879 	long offset, len;
880 	struct addr_location al;
881 	bool kernel;
882 
883 	if (!start || !end)
884 		return 0;
885 
886 	kernel = machine__kernel_ip(machine, start);
887 	if (kernel)
888 		*cpumode = PERF_RECORD_MISC_KERNEL;
889 	else
890 		*cpumode = PERF_RECORD_MISC_USER;
891 
892 	/*
893 	 * Block overlaps between kernel and user.
894 	 * This can happen due to ring filtering
895 	 * On Intel CPUs the entry into the kernel is filtered,
896 	 * but the exit is not. Let the caller patch it up.
897 	 */
898 	if (kernel != machine__kernel_ip(machine, end)) {
899 		pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
900 		return -ENXIO;
901 	}
902 
903 	memset(&al, 0, sizeof(al));
904 	if (end - start > MAXBB - MAXINSN) {
905 		if (last)
906 			pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
907 		else
908 			pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
909 		return 0;
910 	}
911 
912 	if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) {
913 		pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
914 		return 0;
915 	}
916 	if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
917 		pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
918 		return 0;
919 	}
920 
921 	/* Load maps to ensure dso->is_64_bit has been updated */
922 	map__load(al.map);
923 
924 	offset = al.map->map_ip(al.map, start);
925 	len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer,
926 				    end - start + MAXINSN);
927 
928 	*is64bit = al.map->dso->is_64_bit;
929 	if (len <= 0)
930 		pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
931 			start, end);
932 	return len;
933 }
934 
935 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr)
936 {
937 	struct addr_location al;
938 	int ret = 0;
939 
940 	memset(&al, 0, sizeof(al));
941 	thread__find_map(thread, cpumode, addr, &al);
942 	if (!al.map)
943 		return 0;
944 	ret = map__fprintf_srccode(al.map, al.addr, stdout,
945 		    &thread->srccode_state);
946 	if (ret)
947 		ret += printf("\n");
948 	return ret;
949 }
950 
951 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
952 			    struct perf_insn *x, u8 *inbuf, int len,
953 			    int insn, FILE *fp, int *total_cycles)
954 {
955 	int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip,
956 			      dump_insn(x, ip, inbuf, len, NULL),
957 			      en->flags.predicted ? " PRED" : "",
958 			      en->flags.mispred ? " MISPRED" : "",
959 			      en->flags.in_tx ? " INTX" : "",
960 			      en->flags.abort ? " ABORT" : "");
961 	if (en->flags.cycles) {
962 		*total_cycles += en->flags.cycles;
963 		printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles);
964 		if (insn)
965 			printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
966 	}
967 	return printed + fprintf(fp, "\n");
968 }
969 
970 static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
971 			   u8 cpumode, int cpu, struct symbol **lastsym,
972 			   struct perf_event_attr *attr, FILE *fp)
973 {
974 	struct addr_location al;
975 	int off, printed = 0;
976 
977 	memset(&al, 0, sizeof(al));
978 
979 	thread__find_map(thread, cpumode, addr, &al);
980 
981 	if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
982 		return 0;
983 
984 	al.cpu = cpu;
985 	al.sym = NULL;
986 	if (al.map)
987 		al.sym = map__find_symbol(al.map, al.addr);
988 
989 	if (!al.sym)
990 		return 0;
991 
992 	if (al.addr < al.sym->end)
993 		off = al.addr - al.sym->start;
994 	else
995 		off = al.addr - al.map->start - al.sym->start;
996 	printed += fprintf(fp, "\t%s", al.sym->name);
997 	if (off)
998 		printed += fprintf(fp, "%+d", off);
999 	printed += fprintf(fp, ":");
1000 	if (PRINT_FIELD(SRCLINE))
1001 		printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
1002 	printed += fprintf(fp, "\n");
1003 	*lastsym = al.sym;
1004 
1005 	return printed;
1006 }
1007 
1008 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
1009 					    struct thread *thread,
1010 					    struct perf_event_attr *attr,
1011 					    struct machine *machine, FILE *fp)
1012 {
1013 	struct branch_stack *br = sample->branch_stack;
1014 	u64 start, end;
1015 	int i, insn, len, nr, ilen, printed = 0;
1016 	struct perf_insn x;
1017 	u8 buffer[MAXBB];
1018 	unsigned off;
1019 	struct symbol *lastsym = NULL;
1020 	int total_cycles = 0;
1021 
1022 	if (!(br && br->nr))
1023 		return 0;
1024 	nr = br->nr;
1025 	if (max_blocks && nr > max_blocks + 1)
1026 		nr = max_blocks + 1;
1027 
1028 	x.thread = thread;
1029 	x.cpu = sample->cpu;
1030 
1031 	printed += fprintf(fp, "%c", '\n');
1032 
1033 	/* Handle first from jump, of which we don't know the entry. */
1034 	len = grab_bb(buffer, br->entries[nr-1].from,
1035 			br->entries[nr-1].from,
1036 			machine, thread, &x.is64bit, &x.cpumode, false);
1037 	if (len > 0) {
1038 		printed += ip__fprintf_sym(br->entries[nr - 1].from, thread,
1039 					   x.cpumode, x.cpu, &lastsym, attr, fp);
1040 		printed += ip__fprintf_jump(br->entries[nr - 1].from, &br->entries[nr - 1],
1041 					    &x, buffer, len, 0, fp, &total_cycles);
1042 		if (PRINT_FIELD(SRCCODE))
1043 			printed += print_srccode(thread, x.cpumode, br->entries[nr - 1].from);
1044 	}
1045 
1046 	/* Print all blocks */
1047 	for (i = nr - 2; i >= 0; i--) {
1048 		if (br->entries[i].from || br->entries[i].to)
1049 			pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1050 				 br->entries[i].from,
1051 				 br->entries[i].to);
1052 		start = br->entries[i + 1].to;
1053 		end   = br->entries[i].from;
1054 
1055 		len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1056 		/* Patch up missing kernel transfers due to ring filters */
1057 		if (len == -ENXIO && i > 0) {
1058 			end = br->entries[--i].from;
1059 			pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1060 			len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1061 		}
1062 		if (len <= 0)
1063 			continue;
1064 
1065 		insn = 0;
1066 		for (off = 0;; off += ilen) {
1067 			uint64_t ip = start + off;
1068 
1069 			printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1070 			if (ip == end) {
1071 				printed += ip__fprintf_jump(ip, &br->entries[i], &x, buffer + off, len - off, ++insn, fp,
1072 							    &total_cycles);
1073 				if (PRINT_FIELD(SRCCODE))
1074 					printed += print_srccode(thread, x.cpumode, ip);
1075 				break;
1076 			} else {
1077 				printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip,
1078 						   dump_insn(&x, ip, buffer + off, len - off, &ilen));
1079 				if (ilen == 0)
1080 					break;
1081 				if (PRINT_FIELD(SRCCODE))
1082 					print_srccode(thread, x.cpumode, ip);
1083 				insn++;
1084 			}
1085 		}
1086 	}
1087 
1088 	/*
1089 	 * Hit the branch? In this case we are already done, and the target
1090 	 * has not been executed yet.
1091 	 */
1092 	if (br->entries[0].from == sample->ip)
1093 		goto out;
1094 	if (br->entries[0].flags.abort)
1095 		goto out;
1096 
1097 	/*
1098 	 * Print final block upto sample
1099 	 *
1100 	 * Due to pipeline delays the LBRs might be missing a branch
1101 	 * or two, which can result in very large or negative blocks
1102 	 * between final branch and sample. When this happens just
1103 	 * continue walking after the last TO until we hit a branch.
1104 	 */
1105 	start = br->entries[0].to;
1106 	end = sample->ip;
1107 	if (end < start) {
1108 		/* Missing jump. Scan 128 bytes for the next branch */
1109 		end = start + 128;
1110 	}
1111 	len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1112 	printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1113 	if (len <= 0) {
1114 		/* Print at least last IP if basic block did not work */
1115 		len = grab_bb(buffer, sample->ip, sample->ip,
1116 			      machine, thread, &x.is64bit, &x.cpumode, false);
1117 		if (len <= 0)
1118 			goto out;
1119 		printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip,
1120 			dump_insn(&x, sample->ip, buffer, len, NULL));
1121 		if (PRINT_FIELD(SRCCODE))
1122 			print_srccode(thread, x.cpumode, sample->ip);
1123 		goto out;
1124 	}
1125 	for (off = 0; off <= end - start; off += ilen) {
1126 		printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off,
1127 				   dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1128 		if (ilen == 0)
1129 			break;
1130 		if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) {
1131 			/*
1132 			 * Hit a missing branch. Just stop.
1133 			 */
1134 			printed += fprintf(fp, "\t... not reaching sample ...\n");
1135 			break;
1136 		}
1137 		if (PRINT_FIELD(SRCCODE))
1138 			print_srccode(thread, x.cpumode, start + off);
1139 	}
1140 out:
1141 	return printed;
1142 }
1143 
1144 static int perf_sample__fprintf_addr(struct perf_sample *sample,
1145 				     struct thread *thread,
1146 				     struct perf_event_attr *attr, FILE *fp)
1147 {
1148 	struct addr_location al;
1149 	int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1150 
1151 	if (!sample_addr_correlates_sym(attr))
1152 		goto out;
1153 
1154 	thread__resolve(thread, &al, sample);
1155 
1156 	if (PRINT_FIELD(SYM)) {
1157 		printed += fprintf(fp, " ");
1158 		if (PRINT_FIELD(SYMOFFSET))
1159 			printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1160 		else
1161 			printed += symbol__fprintf_symname(al.sym, fp);
1162 	}
1163 
1164 	if (PRINT_FIELD(DSO)) {
1165 		printed += fprintf(fp, " (");
1166 		printed += map__fprintf_dsoname(al.map, fp);
1167 		printed += fprintf(fp, ")");
1168 	}
1169 out:
1170 	return printed;
1171 }
1172 
1173 static const char *resolve_branch_sym(struct perf_sample *sample,
1174 				      struct evsel *evsel,
1175 				      struct thread *thread,
1176 				      struct addr_location *al,
1177 				      u64 *ip)
1178 {
1179 	struct addr_location addr_al;
1180 	struct perf_event_attr *attr = &evsel->core.attr;
1181 	const char *name = NULL;
1182 
1183 	if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1184 		if (sample_addr_correlates_sym(attr)) {
1185 			thread__resolve(thread, &addr_al, sample);
1186 			if (addr_al.sym)
1187 				name = addr_al.sym->name;
1188 			else
1189 				*ip = sample->addr;
1190 		} else {
1191 			*ip = sample->addr;
1192 		}
1193 	} else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1194 		if (al->sym)
1195 			name = al->sym->name;
1196 		else
1197 			*ip = sample->ip;
1198 	}
1199 	return name;
1200 }
1201 
1202 static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1203 					   struct evsel *evsel,
1204 					   struct thread *thread,
1205 					   struct addr_location *al, FILE *fp)
1206 {
1207 	struct perf_event_attr *attr = &evsel->core.attr;
1208 	size_t depth = thread_stack__depth(thread, sample->cpu);
1209 	const char *name = NULL;
1210 	static int spacing;
1211 	int len = 0;
1212 	int dlen = 0;
1213 	u64 ip = 0;
1214 
1215 	/*
1216 	 * The 'return' has already been popped off the stack so the depth has
1217 	 * to be adjusted to match the 'call'.
1218 	 */
1219 	if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
1220 		depth += 1;
1221 
1222 	name = resolve_branch_sym(sample, evsel, thread, al, &ip);
1223 
1224 	if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
1225 		dlen += fprintf(fp, "(");
1226 		dlen += map__fprintf_dsoname(al->map, fp);
1227 		dlen += fprintf(fp, ")\t");
1228 	}
1229 
1230 	if (name)
1231 		len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1232 	else if (ip)
1233 		len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1234 
1235 	if (len < 0)
1236 		return len;
1237 
1238 	/*
1239 	 * Try to keep the output length from changing frequently so that the
1240 	 * output lines up more nicely.
1241 	 */
1242 	if (len > spacing || (len && len < spacing - 52))
1243 		spacing = round_up(len + 4, 32);
1244 
1245 	if (len < spacing)
1246 		len += fprintf(fp, "%*s", spacing - len, "");
1247 
1248 	return len + dlen;
1249 }
1250 
1251 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused,
1252 			    struct thread *thread __maybe_unused,
1253 			    struct machine *machine __maybe_unused)
1254 {
1255 }
1256 
1257 static int perf_sample__fprintf_insn(struct perf_sample *sample,
1258 				     struct perf_event_attr *attr,
1259 				     struct thread *thread,
1260 				     struct machine *machine, FILE *fp)
1261 {
1262 	int printed = 0;
1263 
1264 	if (sample->insn_len == 0 && native_arch)
1265 		arch_fetch_insn(sample, thread, machine);
1266 
1267 	if (PRINT_FIELD(INSNLEN))
1268 		printed += fprintf(fp, " ilen: %d", sample->insn_len);
1269 	if (PRINT_FIELD(INSN) && sample->insn_len) {
1270 		int i;
1271 
1272 		printed += fprintf(fp, " insn:");
1273 		for (i = 0; i < sample->insn_len; i++)
1274 			printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
1275 	}
1276 	if (PRINT_FIELD(BRSTACKINSN))
1277 		printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
1278 
1279 	return printed;
1280 }
1281 
1282 static int perf_sample__fprintf_ipc(struct perf_sample *sample,
1283 				    struct perf_event_attr *attr, FILE *fp)
1284 {
1285 	unsigned int ipc;
1286 
1287 	if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt)
1288 		return 0;
1289 
1290 	ipc = (sample->insn_cnt * 100) / sample->cyc_cnt;
1291 
1292 	return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ",
1293 		       ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt);
1294 }
1295 
1296 static int perf_sample__fprintf_bts(struct perf_sample *sample,
1297 				    struct evsel *evsel,
1298 				    struct thread *thread,
1299 				    struct addr_location *al,
1300 				    struct machine *machine, FILE *fp)
1301 {
1302 	struct perf_event_attr *attr = &evsel->core.attr;
1303 	unsigned int type = output_type(attr->type);
1304 	bool print_srcline_last = false;
1305 	int printed = 0;
1306 
1307 	if (PRINT_FIELD(CALLINDENT))
1308 		printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp);
1309 
1310 	/* print branch_from information */
1311 	if (PRINT_FIELD(IP)) {
1312 		unsigned int print_opts = output[type].print_ip_opts;
1313 		struct callchain_cursor *cursor = NULL;
1314 
1315 		if (symbol_conf.use_callchain && sample->callchain &&
1316 		    thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1317 					      sample, NULL, NULL, scripting_max_stack) == 0)
1318 			cursor = &callchain_cursor;
1319 
1320 		if (cursor == NULL) {
1321 			printed += fprintf(fp, " ");
1322 			if (print_opts & EVSEL__PRINT_SRCLINE) {
1323 				print_srcline_last = true;
1324 				print_opts &= ~EVSEL__PRINT_SRCLINE;
1325 			}
1326 		} else
1327 			printed += fprintf(fp, "\n");
1328 
1329 		printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor,
1330 					       symbol_conf.bt_stop_list, fp);
1331 	}
1332 
1333 	/* print branch_to information */
1334 	if (PRINT_FIELD(ADDR) ||
1335 	    ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
1336 	     !output[type].user_set)) {
1337 		printed += fprintf(fp, " => ");
1338 		printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1339 	}
1340 
1341 	printed += perf_sample__fprintf_ipc(sample, attr, fp);
1342 
1343 	if (print_srcline_last)
1344 		printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
1345 
1346 	printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1347 	printed += fprintf(fp, "\n");
1348 	if (PRINT_FIELD(SRCCODE)) {
1349 		int ret = map__fprintf_srccode(al->map, al->addr, stdout,
1350 					 &thread->srccode_state);
1351 		if (ret) {
1352 			printed += ret;
1353 			printed += printf("\n");
1354 		}
1355 	}
1356 	return printed;
1357 }
1358 
1359 static struct {
1360 	u32 flags;
1361 	const char *name;
1362 } sample_flags[] = {
1363 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1364 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1365 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1366 	{PERF_IP_FLAG_BRANCH, "jmp"},
1367 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1368 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1369 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1370 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1371 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1372 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC |	PERF_IP_FLAG_INTERRUPT, "hw int"},
1373 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1374 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1375 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1376 	{0, NULL}
1377 };
1378 
1379 static const char *sample_flags_to_name(u32 flags)
1380 {
1381 	int i;
1382 
1383 	for (i = 0; sample_flags[i].name ; i++) {
1384 		if (sample_flags[i].flags == flags)
1385 			return sample_flags[i].name;
1386 	}
1387 
1388 	return NULL;
1389 }
1390 
1391 static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1392 {
1393 	const char *chars = PERF_IP_FLAG_CHARS;
1394 	const int n = strlen(PERF_IP_FLAG_CHARS);
1395 	bool in_tx = flags & PERF_IP_FLAG_IN_TX;
1396 	const char *name = NULL;
1397 	char str[33];
1398 	int i, pos = 0;
1399 
1400 	name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX);
1401 	if (name)
1402 		return fprintf(fp, "  %-15s%4s ", name, in_tx ? "(x)" : "");
1403 
1404 	if (flags & PERF_IP_FLAG_TRACE_BEGIN) {
1405 		name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN));
1406 		if (name)
1407 			return fprintf(fp, "  tr strt %-7s%4s ", name, in_tx ? "(x)" : "");
1408 	}
1409 
1410 	if (flags & PERF_IP_FLAG_TRACE_END) {
1411 		name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END));
1412 		if (name)
1413 			return fprintf(fp, "  tr end  %-7s%4s ", name, in_tx ? "(x)" : "");
1414 	}
1415 
1416 	for (i = 0; i < n; i++, flags >>= 1) {
1417 		if (flags & 1)
1418 			str[pos++] = chars[i];
1419 	}
1420 	for (; i < 32; i++, flags >>= 1) {
1421 		if (flags & 1)
1422 			str[pos++] = '?';
1423 	}
1424 	str[pos] = 0;
1425 
1426 	return fprintf(fp, "  %-19s ", str);
1427 }
1428 
1429 struct printer_data {
1430 	int line_no;
1431 	bool hit_nul;
1432 	bool is_printable;
1433 };
1434 
1435 static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1436 				      unsigned int val,
1437 				      void *extra, FILE *fp)
1438 {
1439 	unsigned char ch = (unsigned char)val;
1440 	struct printer_data *printer_data = extra;
1441 	int printed = 0;
1442 
1443 	switch (op) {
1444 	case BINARY_PRINT_DATA_BEGIN:
1445 		printed += fprintf(fp, "\n");
1446 		break;
1447 	case BINARY_PRINT_LINE_BEGIN:
1448 		printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1449 						        "           ");
1450 		break;
1451 	case BINARY_PRINT_ADDR:
1452 		printed += fprintf(fp, " %04x:", val);
1453 		break;
1454 	case BINARY_PRINT_NUM_DATA:
1455 		printed += fprintf(fp, " %02x", val);
1456 		break;
1457 	case BINARY_PRINT_NUM_PAD:
1458 		printed += fprintf(fp, "   ");
1459 		break;
1460 	case BINARY_PRINT_SEP:
1461 		printed += fprintf(fp, "  ");
1462 		break;
1463 	case BINARY_PRINT_CHAR_DATA:
1464 		if (printer_data->hit_nul && ch)
1465 			printer_data->is_printable = false;
1466 
1467 		if (!isprint(ch)) {
1468 			printed += fprintf(fp, "%c", '.');
1469 
1470 			if (!printer_data->is_printable)
1471 				break;
1472 
1473 			if (ch == '\0')
1474 				printer_data->hit_nul = true;
1475 			else
1476 				printer_data->is_printable = false;
1477 		} else {
1478 			printed += fprintf(fp, "%c", ch);
1479 		}
1480 		break;
1481 	case BINARY_PRINT_CHAR_PAD:
1482 		printed += fprintf(fp, " ");
1483 		break;
1484 	case BINARY_PRINT_LINE_END:
1485 		printed += fprintf(fp, "\n");
1486 		printer_data->line_no++;
1487 		break;
1488 	case BINARY_PRINT_DATA_END:
1489 	default:
1490 		break;
1491 	}
1492 
1493 	return printed;
1494 }
1495 
1496 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1497 {
1498 	unsigned int nr_bytes = sample->raw_size;
1499 	struct printer_data printer_data = {0, false, true};
1500 	int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1501 				      sample__fprintf_bpf_output, &printer_data, fp);
1502 
1503 	if (printer_data.is_printable && printer_data.hit_nul)
1504 		printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1505 
1506 	return printed;
1507 }
1508 
1509 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1510 {
1511 	if (len > 0 && len < spacing)
1512 		return fprintf(fp, "%*s", spacing - len, "");
1513 
1514 	return 0;
1515 }
1516 
1517 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1518 {
1519 	return perf_sample__fprintf_spacing(len, 34, fp);
1520 }
1521 
1522 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1523 {
1524 	struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1525 	int len;
1526 
1527 	if (perf_sample__bad_synth_size(sample, *data))
1528 		return 0;
1529 
1530 	len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ",
1531 		     data->ip, le64_to_cpu(data->payload));
1532 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1533 }
1534 
1535 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1536 {
1537 	struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1538 	int len;
1539 
1540 	if (perf_sample__bad_synth_size(sample, *data))
1541 		return 0;
1542 
1543 	len = fprintf(fp, " hints: %#x extensions: %#x ",
1544 		      data->hints, data->extensions);
1545 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1546 }
1547 
1548 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1549 {
1550 	struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1551 	int len;
1552 
1553 	if (perf_sample__bad_synth_size(sample, *data))
1554 		return 0;
1555 
1556 	len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1557 		      data->hw, data->cstate, data->subcstate);
1558 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1559 }
1560 
1561 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1562 {
1563 	struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1564 	int len;
1565 
1566 	if (perf_sample__bad_synth_size(sample, *data))
1567 		return 0;
1568 
1569 	len = fprintf(fp, " IP: %u ", data->ip);
1570 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1571 }
1572 
1573 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1574 {
1575 	struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1576 	int len;
1577 
1578 	if (perf_sample__bad_synth_size(sample, *data))
1579 		return 0;
1580 
1581 	len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1582 		     data->deepest_cstate, data->last_cstate,
1583 		     data->wake_reason);
1584 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1585 }
1586 
1587 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1588 {
1589 	struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1590 	unsigned int percent, freq;
1591 	int len;
1592 
1593 	if (perf_sample__bad_synth_size(sample, *data))
1594 		return 0;
1595 
1596 	freq = (le32_to_cpu(data->freq) + 500) / 1000;
1597 	len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1598 	if (data->max_nonturbo) {
1599 		percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1600 		len += fprintf(fp, "(%3u%%) ", percent);
1601 	}
1602 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1603 }
1604 
1605 static int perf_sample__fprintf_synth(struct perf_sample *sample,
1606 				      struct evsel *evsel, FILE *fp)
1607 {
1608 	switch (evsel->core.attr.config) {
1609 	case PERF_SYNTH_INTEL_PTWRITE:
1610 		return perf_sample__fprintf_synth_ptwrite(sample, fp);
1611 	case PERF_SYNTH_INTEL_MWAIT:
1612 		return perf_sample__fprintf_synth_mwait(sample, fp);
1613 	case PERF_SYNTH_INTEL_PWRE:
1614 		return perf_sample__fprintf_synth_pwre(sample, fp);
1615 	case PERF_SYNTH_INTEL_EXSTOP:
1616 		return perf_sample__fprintf_synth_exstop(sample, fp);
1617 	case PERF_SYNTH_INTEL_PWRX:
1618 		return perf_sample__fprintf_synth_pwrx(sample, fp);
1619 	case PERF_SYNTH_INTEL_CBR:
1620 		return perf_sample__fprintf_synth_cbr(sample, fp);
1621 	default:
1622 		break;
1623 	}
1624 
1625 	return 0;
1626 }
1627 
1628 struct perf_script {
1629 	struct perf_tool	tool;
1630 	struct perf_session	*session;
1631 	bool			show_task_events;
1632 	bool			show_mmap_events;
1633 	bool			show_switch_events;
1634 	bool			show_namespace_events;
1635 	bool			show_lost_events;
1636 	bool			show_round_events;
1637 	bool			show_bpf_events;
1638 	bool			allocated;
1639 	bool			per_event_dump;
1640 	struct evswitch		evswitch;
1641 	struct perf_cpu_map	*cpus;
1642 	struct perf_thread_map *threads;
1643 	int			name_width;
1644 	const char              *time_str;
1645 	struct perf_time_interval *ptime_range;
1646 	int			range_size;
1647 	int			range_num;
1648 };
1649 
1650 static int perf_evlist__max_name_len(struct evlist *evlist)
1651 {
1652 	struct evsel *evsel;
1653 	int max = 0;
1654 
1655 	evlist__for_each_entry(evlist, evsel) {
1656 		int len = strlen(perf_evsel__name(evsel));
1657 
1658 		max = MAX(len, max);
1659 	}
1660 
1661 	return max;
1662 }
1663 
1664 static int data_src__fprintf(u64 data_src, FILE *fp)
1665 {
1666 	struct mem_info mi = { .data_src.val = data_src };
1667 	char decode[100];
1668 	char out[100];
1669 	static int maxlen;
1670 	int len;
1671 
1672 	perf_script__meminfo_scnprintf(decode, 100, &mi);
1673 
1674 	len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
1675 	if (maxlen < len)
1676 		maxlen = len;
1677 
1678 	return fprintf(fp, "%-*s", maxlen, out);
1679 }
1680 
1681 struct metric_ctx {
1682 	struct perf_sample	*sample;
1683 	struct thread		*thread;
1684 	struct evsel	*evsel;
1685 	FILE 			*fp;
1686 };
1687 
1688 static void script_print_metric(struct perf_stat_config *config __maybe_unused,
1689 				void *ctx, const char *color,
1690 			        const char *fmt,
1691 			        const char *unit, double val)
1692 {
1693 	struct metric_ctx *mctx = ctx;
1694 
1695 	if (!fmt)
1696 		return;
1697 	perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
1698 				   PERF_RECORD_SAMPLE, mctx->fp);
1699 	fputs("\tmetric: ", mctx->fp);
1700 	if (color)
1701 		color_fprintf(mctx->fp, color, fmt, val);
1702 	else
1703 		printf(fmt, val);
1704 	fprintf(mctx->fp, " %s\n", unit);
1705 }
1706 
1707 static void script_new_line(struct perf_stat_config *config __maybe_unused,
1708 			    void *ctx)
1709 {
1710 	struct metric_ctx *mctx = ctx;
1711 
1712 	perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
1713 				   PERF_RECORD_SAMPLE, mctx->fp);
1714 	fputs("\tmetric: ", mctx->fp);
1715 }
1716 
1717 static void perf_sample__fprint_metric(struct perf_script *script,
1718 				       struct thread *thread,
1719 				       struct evsel *evsel,
1720 				       struct perf_sample *sample,
1721 				       FILE *fp)
1722 {
1723 	struct perf_stat_output_ctx ctx = {
1724 		.print_metric = script_print_metric,
1725 		.new_line = script_new_line,
1726 		.ctx = &(struct metric_ctx) {
1727 				.sample = sample,
1728 				.thread = thread,
1729 				.evsel  = evsel,
1730 				.fp     = fp,
1731 			 },
1732 		.force_header = false,
1733 	};
1734 	struct evsel *ev2;
1735 	u64 val;
1736 
1737 	if (!evsel->stats)
1738 		perf_evlist__alloc_stats(script->session->evlist, false);
1739 	if (evsel_script(evsel->leader)->gnum++ == 0)
1740 		perf_stat__reset_shadow_stats();
1741 	val = sample->period * evsel->scale;
1742 	perf_stat__update_shadow_stats(evsel,
1743 				       val,
1744 				       sample->cpu,
1745 				       &rt_stat);
1746 	evsel_script(evsel)->val = val;
1747 	if (evsel_script(evsel->leader)->gnum == evsel->leader->core.nr_members) {
1748 		for_each_group_member (ev2, evsel->leader) {
1749 			perf_stat__print_shadow_stats(&stat_config, ev2,
1750 						      evsel_script(ev2)->val,
1751 						      sample->cpu,
1752 						      &ctx,
1753 						      NULL,
1754 						      &rt_stat);
1755 		}
1756 		evsel_script(evsel->leader)->gnum = 0;
1757 	}
1758 }
1759 
1760 static bool show_event(struct perf_sample *sample,
1761 		       struct evsel *evsel,
1762 		       struct thread *thread,
1763 		       struct addr_location *al)
1764 {
1765 	int depth = thread_stack__depth(thread, sample->cpu);
1766 
1767 	if (!symbol_conf.graph_function)
1768 		return true;
1769 
1770 	if (thread->filter) {
1771 		if (depth <= thread->filter_entry_depth) {
1772 			thread->filter = false;
1773 			return false;
1774 		}
1775 		return true;
1776 	} else {
1777 		const char *s = symbol_conf.graph_function;
1778 		u64 ip;
1779 		const char *name = resolve_branch_sym(sample, evsel, thread, al,
1780 				&ip);
1781 		unsigned nlen;
1782 
1783 		if (!name)
1784 			return false;
1785 		nlen = strlen(name);
1786 		while (*s) {
1787 			unsigned len = strcspn(s, ",");
1788 			if (nlen == len && !strncmp(name, s, len)) {
1789 				thread->filter = true;
1790 				thread->filter_entry_depth = depth;
1791 				return true;
1792 			}
1793 			s += len;
1794 			if (*s == ',')
1795 				s++;
1796 		}
1797 		return false;
1798 	}
1799 }
1800 
1801 static void process_event(struct perf_script *script,
1802 			  struct perf_sample *sample, struct evsel *evsel,
1803 			  struct addr_location *al,
1804 			  struct machine *machine)
1805 {
1806 	struct thread *thread = al->thread;
1807 	struct perf_event_attr *attr = &evsel->core.attr;
1808 	unsigned int type = output_type(attr->type);
1809 	struct evsel_script *es = evsel->priv;
1810 	FILE *fp = es->fp;
1811 
1812 	if (output[type].fields == 0)
1813 		return;
1814 
1815 	if (!show_event(sample, evsel, thread, al))
1816 		return;
1817 
1818 	if (evswitch__discard(&script->evswitch, evsel))
1819 		return;
1820 
1821 	++es->samples;
1822 
1823 	perf_sample__fprintf_start(sample, thread, evsel,
1824 				   PERF_RECORD_SAMPLE, fp);
1825 
1826 	if (PRINT_FIELD(PERIOD))
1827 		fprintf(fp, "%10" PRIu64 " ", sample->period);
1828 
1829 	if (PRINT_FIELD(EVNAME)) {
1830 		const char *evname = perf_evsel__name(evsel);
1831 
1832 		if (!script->name_width)
1833 			script->name_width = perf_evlist__max_name_len(script->session->evlist);
1834 
1835 		fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
1836 	}
1837 
1838 	if (print_flags)
1839 		perf_sample__fprintf_flags(sample->flags, fp);
1840 
1841 	if (is_bts_event(attr)) {
1842 		perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp);
1843 		return;
1844 	}
1845 
1846 	if (PRINT_FIELD(TRACE) && sample->raw_data) {
1847 		event_format__fprintf(evsel->tp_format, sample->cpu,
1848 				      sample->raw_data, sample->raw_size, fp);
1849 	}
1850 
1851 	if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
1852 		perf_sample__fprintf_synth(sample, evsel, fp);
1853 
1854 	if (PRINT_FIELD(ADDR))
1855 		perf_sample__fprintf_addr(sample, thread, attr, fp);
1856 
1857 	if (PRINT_FIELD(DATA_SRC))
1858 		data_src__fprintf(sample->data_src, fp);
1859 
1860 	if (PRINT_FIELD(WEIGHT))
1861 		fprintf(fp, "%16" PRIu64, sample->weight);
1862 
1863 	if (PRINT_FIELD(IP)) {
1864 		struct callchain_cursor *cursor = NULL;
1865 
1866 		if (symbol_conf.use_callchain && sample->callchain &&
1867 		    thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1868 					      sample, NULL, NULL, scripting_max_stack) == 0)
1869 			cursor = &callchain_cursor;
1870 
1871 		fputc(cursor ? '\n' : ' ', fp);
1872 		sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor,
1873 				    symbol_conf.bt_stop_list, fp);
1874 	}
1875 
1876 	if (PRINT_FIELD(IREGS))
1877 		perf_sample__fprintf_iregs(sample, attr, fp);
1878 
1879 	if (PRINT_FIELD(UREGS))
1880 		perf_sample__fprintf_uregs(sample, attr, fp);
1881 
1882 	if (PRINT_FIELD(BRSTACK))
1883 		perf_sample__fprintf_brstack(sample, thread, attr, fp);
1884 	else if (PRINT_FIELD(BRSTACKSYM))
1885 		perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
1886 	else if (PRINT_FIELD(BRSTACKOFF))
1887 		perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
1888 
1889 	if (perf_evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
1890 		perf_sample__fprintf_bpf_output(sample, fp);
1891 	perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1892 
1893 	if (PRINT_FIELD(PHYS_ADDR))
1894 		fprintf(fp, "%16" PRIx64, sample->phys_addr);
1895 
1896 	perf_sample__fprintf_ipc(sample, attr, fp);
1897 
1898 	fprintf(fp, "\n");
1899 
1900 	if (PRINT_FIELD(SRCCODE)) {
1901 		if (map__fprintf_srccode(al->map, al->addr, stdout,
1902 					 &thread->srccode_state))
1903 			printf("\n");
1904 	}
1905 
1906 	if (PRINT_FIELD(METRIC))
1907 		perf_sample__fprint_metric(script, thread, evsel, sample, fp);
1908 
1909 	if (verbose)
1910 		fflush(fp);
1911 }
1912 
1913 static struct scripting_ops	*scripting_ops;
1914 
1915 static void __process_stat(struct evsel *counter, u64 tstamp)
1916 {
1917 	int nthreads = perf_thread_map__nr(counter->core.threads);
1918 	int ncpus = perf_evsel__nr_cpus(counter);
1919 	int cpu, thread;
1920 	static int header_printed;
1921 
1922 	if (counter->core.system_wide)
1923 		nthreads = 1;
1924 
1925 	if (!header_printed) {
1926 		printf("%3s %8s %15s %15s %15s %15s %s\n",
1927 		       "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
1928 		header_printed = 1;
1929 	}
1930 
1931 	for (thread = 0; thread < nthreads; thread++) {
1932 		for (cpu = 0; cpu < ncpus; cpu++) {
1933 			struct perf_counts_values *counts;
1934 
1935 			counts = perf_counts(counter->counts, cpu, thread);
1936 
1937 			printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
1938 				counter->core.cpus->map[cpu],
1939 				perf_thread_map__pid(counter->core.threads, thread),
1940 				counts->val,
1941 				counts->ena,
1942 				counts->run,
1943 				tstamp,
1944 				perf_evsel__name(counter));
1945 		}
1946 	}
1947 }
1948 
1949 static void process_stat(struct evsel *counter, u64 tstamp)
1950 {
1951 	if (scripting_ops && scripting_ops->process_stat)
1952 		scripting_ops->process_stat(&stat_config, counter, tstamp);
1953 	else
1954 		__process_stat(counter, tstamp);
1955 }
1956 
1957 static void process_stat_interval(u64 tstamp)
1958 {
1959 	if (scripting_ops && scripting_ops->process_stat_interval)
1960 		scripting_ops->process_stat_interval(tstamp);
1961 }
1962 
1963 static void setup_scripting(void)
1964 {
1965 	setup_perl_scripting();
1966 	setup_python_scripting();
1967 }
1968 
1969 static int flush_scripting(void)
1970 {
1971 	return scripting_ops ? scripting_ops->flush_script() : 0;
1972 }
1973 
1974 static int cleanup_scripting(void)
1975 {
1976 	pr_debug("\nperf script stopped\n");
1977 
1978 	return scripting_ops ? scripting_ops->stop_script() : 0;
1979 }
1980 
1981 static bool filter_cpu(struct perf_sample *sample)
1982 {
1983 	if (cpu_list)
1984 		return !test_bit(sample->cpu, cpu_bitmap);
1985 	return false;
1986 }
1987 
1988 static int process_sample_event(struct perf_tool *tool,
1989 				union perf_event *event,
1990 				struct perf_sample *sample,
1991 				struct evsel *evsel,
1992 				struct machine *machine)
1993 {
1994 	struct perf_script *scr = container_of(tool, struct perf_script, tool);
1995 	struct addr_location al;
1996 
1997 	if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
1998 					  sample->time)) {
1999 		return 0;
2000 	}
2001 
2002 	if (debug_mode) {
2003 		if (sample->time < last_timestamp) {
2004 			pr_err("Samples misordered, previous: %" PRIu64
2005 				" this: %" PRIu64 "\n", last_timestamp,
2006 				sample->time);
2007 			nr_unordered++;
2008 		}
2009 		last_timestamp = sample->time;
2010 		return 0;
2011 	}
2012 
2013 	if (machine__resolve(machine, &al, sample) < 0) {
2014 		pr_err("problem processing %d event, skipping it.\n",
2015 		       event->header.type);
2016 		return -1;
2017 	}
2018 
2019 	if (al.filtered)
2020 		goto out_put;
2021 
2022 	if (filter_cpu(sample))
2023 		goto out_put;
2024 
2025 	if (scripting_ops)
2026 		scripting_ops->process_event(event, sample, evsel, &al);
2027 	else
2028 		process_event(scr, sample, evsel, &al, machine);
2029 
2030 out_put:
2031 	addr_location__put(&al);
2032 	return 0;
2033 }
2034 
2035 static int process_attr(struct perf_tool *tool, union perf_event *event,
2036 			struct evlist **pevlist)
2037 {
2038 	struct perf_script *scr = container_of(tool, struct perf_script, tool);
2039 	struct evlist *evlist;
2040 	struct evsel *evsel, *pos;
2041 	int err;
2042 	static struct evsel_script *es;
2043 
2044 	err = perf_event__process_attr(tool, event, pevlist);
2045 	if (err)
2046 		return err;
2047 
2048 	evlist = *pevlist;
2049 	evsel = evlist__last(*pevlist);
2050 
2051 	if (!evsel->priv) {
2052 		if (scr->per_event_dump) {
2053 			evsel->priv = perf_evsel_script__new(evsel,
2054 						scr->session->data);
2055 		} else {
2056 			es = zalloc(sizeof(*es));
2057 			if (!es)
2058 				return -ENOMEM;
2059 			es->fp = stdout;
2060 			evsel->priv = es;
2061 		}
2062 	}
2063 
2064 	if (evsel->core.attr.type >= PERF_TYPE_MAX &&
2065 	    evsel->core.attr.type != PERF_TYPE_SYNTH)
2066 		return 0;
2067 
2068 	evlist__for_each_entry(evlist, pos) {
2069 		if (pos->core.attr.type == evsel->core.attr.type && pos != evsel)
2070 			return 0;
2071 	}
2072 
2073 	set_print_ip_opts(&evsel->core.attr);
2074 
2075 	if (evsel->core.attr.sample_type)
2076 		err = perf_evsel__check_attr(evsel, scr->session);
2077 
2078 	return err;
2079 }
2080 
2081 static int process_comm_event(struct perf_tool *tool,
2082 			      union perf_event *event,
2083 			      struct perf_sample *sample,
2084 			      struct machine *machine)
2085 {
2086 	struct thread *thread;
2087 	struct perf_script *script = container_of(tool, struct perf_script, tool);
2088 	struct perf_session *session = script->session;
2089 	struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2090 	int ret = -1;
2091 
2092 	thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid);
2093 	if (thread == NULL) {
2094 		pr_debug("problem processing COMM event, skipping it.\n");
2095 		return -1;
2096 	}
2097 
2098 	if (perf_event__process_comm(tool, event, sample, machine) < 0)
2099 		goto out;
2100 
2101 	if (!evsel->core.attr.sample_id_all) {
2102 		sample->cpu = 0;
2103 		sample->time = 0;
2104 		sample->tid = event->comm.tid;
2105 		sample->pid = event->comm.pid;
2106 	}
2107 	if (!filter_cpu(sample)) {
2108 		perf_sample__fprintf_start(sample, thread, evsel,
2109 				   PERF_RECORD_COMM, stdout);
2110 		perf_event__fprintf(event, stdout);
2111 	}
2112 	ret = 0;
2113 out:
2114 	thread__put(thread);
2115 	return ret;
2116 }
2117 
2118 static int process_namespaces_event(struct perf_tool *tool,
2119 				    union perf_event *event,
2120 				    struct perf_sample *sample,
2121 				    struct machine *machine)
2122 {
2123 	struct thread *thread;
2124 	struct perf_script *script = container_of(tool, struct perf_script, tool);
2125 	struct perf_session *session = script->session;
2126 	struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2127 	int ret = -1;
2128 
2129 	thread = machine__findnew_thread(machine, event->namespaces.pid,
2130 					 event->namespaces.tid);
2131 	if (thread == NULL) {
2132 		pr_debug("problem processing NAMESPACES event, skipping it.\n");
2133 		return -1;
2134 	}
2135 
2136 	if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
2137 		goto out;
2138 
2139 	if (!evsel->core.attr.sample_id_all) {
2140 		sample->cpu = 0;
2141 		sample->time = 0;
2142 		sample->tid = event->namespaces.tid;
2143 		sample->pid = event->namespaces.pid;
2144 	}
2145 	if (!filter_cpu(sample)) {
2146 		perf_sample__fprintf_start(sample, thread, evsel,
2147 					   PERF_RECORD_NAMESPACES, stdout);
2148 		perf_event__fprintf(event, stdout);
2149 	}
2150 	ret = 0;
2151 out:
2152 	thread__put(thread);
2153 	return ret;
2154 }
2155 
2156 static int process_fork_event(struct perf_tool *tool,
2157 			      union perf_event *event,
2158 			      struct perf_sample *sample,
2159 			      struct machine *machine)
2160 {
2161 	struct thread *thread;
2162 	struct perf_script *script = container_of(tool, struct perf_script, tool);
2163 	struct perf_session *session = script->session;
2164 	struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2165 
2166 	if (perf_event__process_fork(tool, event, sample, machine) < 0)
2167 		return -1;
2168 
2169 	thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
2170 	if (thread == NULL) {
2171 		pr_debug("problem processing FORK event, skipping it.\n");
2172 		return -1;
2173 	}
2174 
2175 	if (!evsel->core.attr.sample_id_all) {
2176 		sample->cpu = 0;
2177 		sample->time = event->fork.time;
2178 		sample->tid = event->fork.tid;
2179 		sample->pid = event->fork.pid;
2180 	}
2181 	if (!filter_cpu(sample)) {
2182 		perf_sample__fprintf_start(sample, thread, evsel,
2183 					   PERF_RECORD_FORK, stdout);
2184 		perf_event__fprintf(event, stdout);
2185 	}
2186 	thread__put(thread);
2187 
2188 	return 0;
2189 }
2190 static int process_exit_event(struct perf_tool *tool,
2191 			      union perf_event *event,
2192 			      struct perf_sample *sample,
2193 			      struct machine *machine)
2194 {
2195 	int err = 0;
2196 	struct thread *thread;
2197 	struct perf_script *script = container_of(tool, struct perf_script, tool);
2198 	struct perf_session *session = script->session;
2199 	struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2200 
2201 	thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
2202 	if (thread == NULL) {
2203 		pr_debug("problem processing EXIT event, skipping it.\n");
2204 		return -1;
2205 	}
2206 
2207 	if (!evsel->core.attr.sample_id_all) {
2208 		sample->cpu = 0;
2209 		sample->time = 0;
2210 		sample->tid = event->fork.tid;
2211 		sample->pid = event->fork.pid;
2212 	}
2213 	if (!filter_cpu(sample)) {
2214 		perf_sample__fprintf_start(sample, thread, evsel,
2215 					   PERF_RECORD_EXIT, stdout);
2216 		perf_event__fprintf(event, stdout);
2217 	}
2218 
2219 	if (perf_event__process_exit(tool, event, sample, machine) < 0)
2220 		err = -1;
2221 
2222 	thread__put(thread);
2223 	return err;
2224 }
2225 
2226 static int process_mmap_event(struct perf_tool *tool,
2227 			      union perf_event *event,
2228 			      struct perf_sample *sample,
2229 			      struct machine *machine)
2230 {
2231 	struct thread *thread;
2232 	struct perf_script *script = container_of(tool, struct perf_script, tool);
2233 	struct perf_session *session = script->session;
2234 	struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2235 
2236 	if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2237 		return -1;
2238 
2239 	thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid);
2240 	if (thread == NULL) {
2241 		pr_debug("problem processing MMAP event, skipping it.\n");
2242 		return -1;
2243 	}
2244 
2245 	if (!evsel->core.attr.sample_id_all) {
2246 		sample->cpu = 0;
2247 		sample->time = 0;
2248 		sample->tid = event->mmap.tid;
2249 		sample->pid = event->mmap.pid;
2250 	}
2251 	if (!filter_cpu(sample)) {
2252 		perf_sample__fprintf_start(sample, thread, evsel,
2253 					   PERF_RECORD_MMAP, stdout);
2254 		perf_event__fprintf(event, stdout);
2255 	}
2256 	thread__put(thread);
2257 	return 0;
2258 }
2259 
2260 static int process_mmap2_event(struct perf_tool *tool,
2261 			      union perf_event *event,
2262 			      struct perf_sample *sample,
2263 			      struct machine *machine)
2264 {
2265 	struct thread *thread;
2266 	struct perf_script *script = container_of(tool, struct perf_script, tool);
2267 	struct perf_session *session = script->session;
2268 	struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2269 
2270 	if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2271 		return -1;
2272 
2273 	thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid);
2274 	if (thread == NULL) {
2275 		pr_debug("problem processing MMAP2 event, skipping it.\n");
2276 		return -1;
2277 	}
2278 
2279 	if (!evsel->core.attr.sample_id_all) {
2280 		sample->cpu = 0;
2281 		sample->time = 0;
2282 		sample->tid = event->mmap2.tid;
2283 		sample->pid = event->mmap2.pid;
2284 	}
2285 	if (!filter_cpu(sample)) {
2286 		perf_sample__fprintf_start(sample, thread, evsel,
2287 					   PERF_RECORD_MMAP2, stdout);
2288 		perf_event__fprintf(event, stdout);
2289 	}
2290 	thread__put(thread);
2291 	return 0;
2292 }
2293 
2294 static int process_switch_event(struct perf_tool *tool,
2295 				union perf_event *event,
2296 				struct perf_sample *sample,
2297 				struct machine *machine)
2298 {
2299 	struct thread *thread;
2300 	struct perf_script *script = container_of(tool, struct perf_script, tool);
2301 	struct perf_session *session = script->session;
2302 	struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2303 
2304 	if (perf_event__process_switch(tool, event, sample, machine) < 0)
2305 		return -1;
2306 
2307 	if (scripting_ops && scripting_ops->process_switch)
2308 		scripting_ops->process_switch(event, sample, machine);
2309 
2310 	if (!script->show_switch_events)
2311 		return 0;
2312 
2313 	thread = machine__findnew_thread(machine, sample->pid,
2314 					 sample->tid);
2315 	if (thread == NULL) {
2316 		pr_debug("problem processing SWITCH event, skipping it.\n");
2317 		return -1;
2318 	}
2319 
2320 	if (!filter_cpu(sample)) {
2321 		perf_sample__fprintf_start(sample, thread, evsel,
2322 					   PERF_RECORD_SWITCH, stdout);
2323 		perf_event__fprintf(event, stdout);
2324 	}
2325 	thread__put(thread);
2326 	return 0;
2327 }
2328 
2329 static int
2330 process_lost_event(struct perf_tool *tool,
2331 		   union perf_event *event,
2332 		   struct perf_sample *sample,
2333 		   struct machine *machine)
2334 {
2335 	struct perf_script *script = container_of(tool, struct perf_script, tool);
2336 	struct perf_session *session = script->session;
2337 	struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2338 	struct thread *thread;
2339 
2340 	thread = machine__findnew_thread(machine, sample->pid,
2341 					 sample->tid);
2342 	if (thread == NULL)
2343 		return -1;
2344 
2345 	if (!filter_cpu(sample)) {
2346 		perf_sample__fprintf_start(sample, thread, evsel,
2347 					   PERF_RECORD_LOST, stdout);
2348 		perf_event__fprintf(event, stdout);
2349 	}
2350 	thread__put(thread);
2351 	return 0;
2352 }
2353 
2354 static int
2355 process_finished_round_event(struct perf_tool *tool __maybe_unused,
2356 			     union perf_event *event,
2357 			     struct ordered_events *oe __maybe_unused)
2358 
2359 {
2360 	perf_event__fprintf(event, stdout);
2361 	return 0;
2362 }
2363 
2364 static int
2365 process_bpf_events(struct perf_tool *tool __maybe_unused,
2366 		   union perf_event *event,
2367 		   struct perf_sample *sample,
2368 		   struct machine *machine)
2369 {
2370 	struct thread *thread;
2371 	struct perf_script *script = container_of(tool, struct perf_script, tool);
2372 	struct perf_session *session = script->session;
2373 	struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2374 
2375 	if (machine__process_ksymbol(machine, event, sample) < 0)
2376 		return -1;
2377 
2378 	if (!evsel->core.attr.sample_id_all) {
2379 		perf_event__fprintf(event, stdout);
2380 		return 0;
2381 	}
2382 
2383 	thread = machine__findnew_thread(machine, sample->pid, sample->tid);
2384 	if (thread == NULL) {
2385 		pr_debug("problem processing MMAP event, skipping it.\n");
2386 		return -1;
2387 	}
2388 
2389 	if (!filter_cpu(sample)) {
2390 		perf_sample__fprintf_start(sample, thread, evsel,
2391 					   event->header.type, stdout);
2392 		perf_event__fprintf(event, stdout);
2393 	}
2394 
2395 	thread__put(thread);
2396 	return 0;
2397 }
2398 
2399 static void sig_handler(int sig __maybe_unused)
2400 {
2401 	session_done = 1;
2402 }
2403 
2404 static void perf_script__fclose_per_event_dump(struct perf_script *script)
2405 {
2406 	struct evlist *evlist = script->session->evlist;
2407 	struct evsel *evsel;
2408 
2409 	evlist__for_each_entry(evlist, evsel) {
2410 		if (!evsel->priv)
2411 			break;
2412 		perf_evsel_script__delete(evsel->priv);
2413 		evsel->priv = NULL;
2414 	}
2415 }
2416 
2417 static int perf_script__fopen_per_event_dump(struct perf_script *script)
2418 {
2419 	struct evsel *evsel;
2420 
2421 	evlist__for_each_entry(script->session->evlist, evsel) {
2422 		/*
2423 		 * Already setup? I.e. we may be called twice in cases like
2424 		 * Intel PT, one for the intel_pt// and dummy events, then
2425 		 * for the evsels syntheized from the auxtrace info.
2426 		 *
2427 		 * Ses perf_script__process_auxtrace_info.
2428 		 */
2429 		if (evsel->priv != NULL)
2430 			continue;
2431 
2432 		evsel->priv = perf_evsel_script__new(evsel, script->session->data);
2433 		if (evsel->priv == NULL)
2434 			goto out_err_fclose;
2435 	}
2436 
2437 	return 0;
2438 
2439 out_err_fclose:
2440 	perf_script__fclose_per_event_dump(script);
2441 	return -1;
2442 }
2443 
2444 static int perf_script__setup_per_event_dump(struct perf_script *script)
2445 {
2446 	struct evsel *evsel;
2447 	static struct evsel_script es_stdout;
2448 
2449 	if (script->per_event_dump)
2450 		return perf_script__fopen_per_event_dump(script);
2451 
2452 	es_stdout.fp = stdout;
2453 
2454 	evlist__for_each_entry(script->session->evlist, evsel)
2455 		evsel->priv = &es_stdout;
2456 
2457 	return 0;
2458 }
2459 
2460 static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2461 {
2462 	struct evsel *evsel;
2463 
2464 	evlist__for_each_entry(script->session->evlist, evsel) {
2465 		struct evsel_script *es = evsel->priv;
2466 
2467 		perf_evsel_script__fprintf(es, stdout);
2468 		perf_evsel_script__delete(es);
2469 		evsel->priv = NULL;
2470 	}
2471 }
2472 
2473 static int __cmd_script(struct perf_script *script)
2474 {
2475 	int ret;
2476 
2477 	signal(SIGINT, sig_handler);
2478 
2479 	perf_stat__init_shadow_stats();
2480 
2481 	/* override event processing functions */
2482 	if (script->show_task_events) {
2483 		script->tool.comm = process_comm_event;
2484 		script->tool.fork = process_fork_event;
2485 		script->tool.exit = process_exit_event;
2486 	}
2487 	if (script->show_mmap_events) {
2488 		script->tool.mmap = process_mmap_event;
2489 		script->tool.mmap2 = process_mmap2_event;
2490 	}
2491 	if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch))
2492 		script->tool.context_switch = process_switch_event;
2493 	if (script->show_namespace_events)
2494 		script->tool.namespaces = process_namespaces_event;
2495 	if (script->show_lost_events)
2496 		script->tool.lost = process_lost_event;
2497 	if (script->show_round_events) {
2498 		script->tool.ordered_events = false;
2499 		script->tool.finished_round = process_finished_round_event;
2500 	}
2501 	if (script->show_bpf_events) {
2502 		script->tool.ksymbol = process_bpf_events;
2503 		script->tool.bpf     = process_bpf_events;
2504 	}
2505 
2506 	if (perf_script__setup_per_event_dump(script)) {
2507 		pr_err("Couldn't create the per event dump files\n");
2508 		return -1;
2509 	}
2510 
2511 	ret = perf_session__process_events(script->session);
2512 
2513 	if (script->per_event_dump)
2514 		perf_script__exit_per_event_dump_stats(script);
2515 
2516 	if (debug_mode)
2517 		pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2518 
2519 	return ret;
2520 }
2521 
2522 struct script_spec {
2523 	struct list_head	node;
2524 	struct scripting_ops	*ops;
2525 	char			spec[0];
2526 };
2527 
2528 static LIST_HEAD(script_specs);
2529 
2530 static struct script_spec *script_spec__new(const char *spec,
2531 					    struct scripting_ops *ops)
2532 {
2533 	struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2534 
2535 	if (s != NULL) {
2536 		strcpy(s->spec, spec);
2537 		s->ops = ops;
2538 	}
2539 
2540 	return s;
2541 }
2542 
2543 static void script_spec__add(struct script_spec *s)
2544 {
2545 	list_add_tail(&s->node, &script_specs);
2546 }
2547 
2548 static struct script_spec *script_spec__find(const char *spec)
2549 {
2550 	struct script_spec *s;
2551 
2552 	list_for_each_entry(s, &script_specs, node)
2553 		if (strcasecmp(s->spec, spec) == 0)
2554 			return s;
2555 	return NULL;
2556 }
2557 
2558 int script_spec_register(const char *spec, struct scripting_ops *ops)
2559 {
2560 	struct script_spec *s;
2561 
2562 	s = script_spec__find(spec);
2563 	if (s)
2564 		return -1;
2565 
2566 	s = script_spec__new(spec, ops);
2567 	if (!s)
2568 		return -1;
2569 	else
2570 		script_spec__add(s);
2571 
2572 	return 0;
2573 }
2574 
2575 static struct scripting_ops *script_spec__lookup(const char *spec)
2576 {
2577 	struct script_spec *s = script_spec__find(spec);
2578 	if (!s)
2579 		return NULL;
2580 
2581 	return s->ops;
2582 }
2583 
2584 static void list_available_languages(void)
2585 {
2586 	struct script_spec *s;
2587 
2588 	fprintf(stderr, "\n");
2589 	fprintf(stderr, "Scripting language extensions (used in "
2590 		"perf script -s [spec:]script.[spec]):\n\n");
2591 
2592 	list_for_each_entry(s, &script_specs, node)
2593 		fprintf(stderr, "  %-42s [%s]\n", s->spec, s->ops->name);
2594 
2595 	fprintf(stderr, "\n");
2596 }
2597 
2598 static int parse_scriptname(const struct option *opt __maybe_unused,
2599 			    const char *str, int unset __maybe_unused)
2600 {
2601 	char spec[PATH_MAX];
2602 	const char *script, *ext;
2603 	int len;
2604 
2605 	if (strcmp(str, "lang") == 0) {
2606 		list_available_languages();
2607 		exit(0);
2608 	}
2609 
2610 	script = strchr(str, ':');
2611 	if (script) {
2612 		len = script - str;
2613 		if (len >= PATH_MAX) {
2614 			fprintf(stderr, "invalid language specifier");
2615 			return -1;
2616 		}
2617 		strncpy(spec, str, len);
2618 		spec[len] = '\0';
2619 		scripting_ops = script_spec__lookup(spec);
2620 		if (!scripting_ops) {
2621 			fprintf(stderr, "invalid language specifier");
2622 			return -1;
2623 		}
2624 		script++;
2625 	} else {
2626 		script = str;
2627 		ext = strrchr(script, '.');
2628 		if (!ext) {
2629 			fprintf(stderr, "invalid script extension");
2630 			return -1;
2631 		}
2632 		scripting_ops = script_spec__lookup(++ext);
2633 		if (!scripting_ops) {
2634 			fprintf(stderr, "invalid script extension");
2635 			return -1;
2636 		}
2637 	}
2638 
2639 	script_name = strdup(script);
2640 
2641 	return 0;
2642 }
2643 
2644 static int parse_output_fields(const struct option *opt __maybe_unused,
2645 			    const char *arg, int unset __maybe_unused)
2646 {
2647 	char *tok, *strtok_saveptr = NULL;
2648 	int i, imax = ARRAY_SIZE(all_output_options);
2649 	int j;
2650 	int rc = 0;
2651 	char *str = strdup(arg);
2652 	int type = -1;
2653 	enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
2654 
2655 	if (!str)
2656 		return -ENOMEM;
2657 
2658 	/* first word can state for which event type the user is specifying
2659 	 * the fields. If no type exists, the specified fields apply to all
2660 	 * event types found in the file minus the invalid fields for a type.
2661 	 */
2662 	tok = strchr(str, ':');
2663 	if (tok) {
2664 		*tok = '\0';
2665 		tok++;
2666 		if (!strcmp(str, "hw"))
2667 			type = PERF_TYPE_HARDWARE;
2668 		else if (!strcmp(str, "sw"))
2669 			type = PERF_TYPE_SOFTWARE;
2670 		else if (!strcmp(str, "trace"))
2671 			type = PERF_TYPE_TRACEPOINT;
2672 		else if (!strcmp(str, "raw"))
2673 			type = PERF_TYPE_RAW;
2674 		else if (!strcmp(str, "break"))
2675 			type = PERF_TYPE_BREAKPOINT;
2676 		else if (!strcmp(str, "synth"))
2677 			type = OUTPUT_TYPE_SYNTH;
2678 		else {
2679 			fprintf(stderr, "Invalid event type in field string.\n");
2680 			rc = -EINVAL;
2681 			goto out;
2682 		}
2683 
2684 		if (output[type].user_set)
2685 			pr_warning("Overriding previous field request for %s events.\n",
2686 				   event_type(type));
2687 
2688 		/* Don't override defaults for +- */
2689 		if (strchr(tok, '+') || strchr(tok, '-'))
2690 			goto parse;
2691 
2692 		output[type].fields = 0;
2693 		output[type].user_set = true;
2694 		output[type].wildcard_set = false;
2695 
2696 	} else {
2697 		tok = str;
2698 		if (strlen(str) == 0) {
2699 			fprintf(stderr,
2700 				"Cannot set fields to 'none' for all event types.\n");
2701 			rc = -EINVAL;
2702 			goto out;
2703 		}
2704 
2705 		/* Don't override defaults for +- */
2706 		if (strchr(str, '+') || strchr(str, '-'))
2707 			goto parse;
2708 
2709 		if (output_set_by_user())
2710 			pr_warning("Overriding previous field request for all events.\n");
2711 
2712 		for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2713 			output[j].fields = 0;
2714 			output[j].user_set = true;
2715 			output[j].wildcard_set = true;
2716 		}
2717 	}
2718 
2719 parse:
2720 	for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
2721 		if (*tok == '+') {
2722 			if (change == SET)
2723 				goto out_badmix;
2724 			change = ADD;
2725 			tok++;
2726 		} else if (*tok == '-') {
2727 			if (change == SET)
2728 				goto out_badmix;
2729 			change = REMOVE;
2730 			tok++;
2731 		} else {
2732 			if (change != SET && change != DEFAULT)
2733 				goto out_badmix;
2734 			change = SET;
2735 		}
2736 
2737 		for (i = 0; i < imax; ++i) {
2738 			if (strcmp(tok, all_output_options[i].str) == 0)
2739 				break;
2740 		}
2741 		if (i == imax && strcmp(tok, "flags") == 0) {
2742 			print_flags = change == REMOVE ? false : true;
2743 			continue;
2744 		}
2745 		if (i == imax) {
2746 			fprintf(stderr, "Invalid field requested.\n");
2747 			rc = -EINVAL;
2748 			goto out;
2749 		}
2750 
2751 		if (type == -1) {
2752 			/* add user option to all events types for
2753 			 * which it is valid
2754 			 */
2755 			for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2756 				if (output[j].invalid_fields & all_output_options[i].field) {
2757 					pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
2758 						   all_output_options[i].str, event_type(j));
2759 				} else {
2760 					if (change == REMOVE) {
2761 						output[j].fields &= ~all_output_options[i].field;
2762 						output[j].user_set_fields &= ~all_output_options[i].field;
2763 					} else {
2764 						output[j].fields |= all_output_options[i].field;
2765 						output[j].user_set_fields |= all_output_options[i].field;
2766 					}
2767 					output[j].user_set = true;
2768 					output[j].wildcard_set = true;
2769 				}
2770 			}
2771 		} else {
2772 			if (output[type].invalid_fields & all_output_options[i].field) {
2773 				fprintf(stderr, "\'%s\' not valid for %s events.\n",
2774 					 all_output_options[i].str, event_type(type));
2775 
2776 				rc = -EINVAL;
2777 				goto out;
2778 			}
2779 			if (change == REMOVE)
2780 				output[type].fields &= ~all_output_options[i].field;
2781 			else
2782 				output[type].fields |= all_output_options[i].field;
2783 			output[type].user_set = true;
2784 			output[type].wildcard_set = true;
2785 		}
2786 	}
2787 
2788 	if (type >= 0) {
2789 		if (output[type].fields == 0) {
2790 			pr_debug("No fields requested for %s type. "
2791 				 "Events will not be displayed.\n", event_type(type));
2792 		}
2793 	}
2794 	goto out;
2795 
2796 out_badmix:
2797 	fprintf(stderr, "Cannot mix +-field with overridden fields\n");
2798 	rc = -EINVAL;
2799 out:
2800 	free(str);
2801 	return rc;
2802 }
2803 
2804 #define for_each_lang(scripts_path, scripts_dir, lang_dirent)		\
2805 	while ((lang_dirent = readdir(scripts_dir)) != NULL)		\
2806 		if ((lang_dirent->d_type == DT_DIR ||			\
2807 		     (lang_dirent->d_type == DT_UNKNOWN &&		\
2808 		      is_directory(scripts_path, lang_dirent))) &&	\
2809 		    (strcmp(lang_dirent->d_name, ".")) &&		\
2810 		    (strcmp(lang_dirent->d_name, "..")))
2811 
2812 #define for_each_script(lang_path, lang_dir, script_dirent)		\
2813 	while ((script_dirent = readdir(lang_dir)) != NULL)		\
2814 		if (script_dirent->d_type != DT_DIR &&			\
2815 		    (script_dirent->d_type != DT_UNKNOWN ||		\
2816 		     !is_directory(lang_path, script_dirent)))
2817 
2818 
2819 #define RECORD_SUFFIX			"-record"
2820 #define REPORT_SUFFIX			"-report"
2821 
2822 struct script_desc {
2823 	struct list_head	node;
2824 	char			*name;
2825 	char			*half_liner;
2826 	char			*args;
2827 };
2828 
2829 static LIST_HEAD(script_descs);
2830 
2831 static struct script_desc *script_desc__new(const char *name)
2832 {
2833 	struct script_desc *s = zalloc(sizeof(*s));
2834 
2835 	if (s != NULL && name)
2836 		s->name = strdup(name);
2837 
2838 	return s;
2839 }
2840 
2841 static void script_desc__delete(struct script_desc *s)
2842 {
2843 	zfree(&s->name);
2844 	zfree(&s->half_liner);
2845 	zfree(&s->args);
2846 	free(s);
2847 }
2848 
2849 static void script_desc__add(struct script_desc *s)
2850 {
2851 	list_add_tail(&s->node, &script_descs);
2852 }
2853 
2854 static struct script_desc *script_desc__find(const char *name)
2855 {
2856 	struct script_desc *s;
2857 
2858 	list_for_each_entry(s, &script_descs, node)
2859 		if (strcasecmp(s->name, name) == 0)
2860 			return s;
2861 	return NULL;
2862 }
2863 
2864 static struct script_desc *script_desc__findnew(const char *name)
2865 {
2866 	struct script_desc *s = script_desc__find(name);
2867 
2868 	if (s)
2869 		return s;
2870 
2871 	s = script_desc__new(name);
2872 	if (!s)
2873 		return NULL;
2874 
2875 	script_desc__add(s);
2876 
2877 	return s;
2878 }
2879 
2880 static const char *ends_with(const char *str, const char *suffix)
2881 {
2882 	size_t suffix_len = strlen(suffix);
2883 	const char *p = str;
2884 
2885 	if (strlen(str) > suffix_len) {
2886 		p = str + strlen(str) - suffix_len;
2887 		if (!strncmp(p, suffix, suffix_len))
2888 			return p;
2889 	}
2890 
2891 	return NULL;
2892 }
2893 
2894 static int read_script_info(struct script_desc *desc, const char *filename)
2895 {
2896 	char line[BUFSIZ], *p;
2897 	FILE *fp;
2898 
2899 	fp = fopen(filename, "r");
2900 	if (!fp)
2901 		return -1;
2902 
2903 	while (fgets(line, sizeof(line), fp)) {
2904 		p = skip_spaces(line);
2905 		if (strlen(p) == 0)
2906 			continue;
2907 		if (*p != '#')
2908 			continue;
2909 		p++;
2910 		if (strlen(p) && *p == '!')
2911 			continue;
2912 
2913 		p = skip_spaces(p);
2914 		if (strlen(p) && p[strlen(p) - 1] == '\n')
2915 			p[strlen(p) - 1] = '\0';
2916 
2917 		if (!strncmp(p, "description:", strlen("description:"))) {
2918 			p += strlen("description:");
2919 			desc->half_liner = strdup(skip_spaces(p));
2920 			continue;
2921 		}
2922 
2923 		if (!strncmp(p, "args:", strlen("args:"))) {
2924 			p += strlen("args:");
2925 			desc->args = strdup(skip_spaces(p));
2926 			continue;
2927 		}
2928 	}
2929 
2930 	fclose(fp);
2931 
2932 	return 0;
2933 }
2934 
2935 static char *get_script_root(struct dirent *script_dirent, const char *suffix)
2936 {
2937 	char *script_root, *str;
2938 
2939 	script_root = strdup(script_dirent->d_name);
2940 	if (!script_root)
2941 		return NULL;
2942 
2943 	str = (char *)ends_with(script_root, suffix);
2944 	if (!str) {
2945 		free(script_root);
2946 		return NULL;
2947 	}
2948 
2949 	*str = '\0';
2950 	return script_root;
2951 }
2952 
2953 static int list_available_scripts(const struct option *opt __maybe_unused,
2954 				  const char *s __maybe_unused,
2955 				  int unset __maybe_unused)
2956 {
2957 	struct dirent *script_dirent, *lang_dirent;
2958 	char scripts_path[MAXPATHLEN];
2959 	DIR *scripts_dir, *lang_dir;
2960 	char script_path[MAXPATHLEN];
2961 	char lang_path[MAXPATHLEN];
2962 	struct script_desc *desc;
2963 	char first_half[BUFSIZ];
2964 	char *script_root;
2965 
2966 	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2967 
2968 	scripts_dir = opendir(scripts_path);
2969 	if (!scripts_dir) {
2970 		fprintf(stdout,
2971 			"open(%s) failed.\n"
2972 			"Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
2973 			scripts_path);
2974 		exit(-1);
2975 	}
2976 
2977 	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2978 		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
2979 			  lang_dirent->d_name);
2980 		lang_dir = opendir(lang_path);
2981 		if (!lang_dir)
2982 			continue;
2983 
2984 		for_each_script(lang_path, lang_dir, script_dirent) {
2985 			script_root = get_script_root(script_dirent, REPORT_SUFFIX);
2986 			if (script_root) {
2987 				desc = script_desc__findnew(script_root);
2988 				scnprintf(script_path, MAXPATHLEN, "%s/%s",
2989 					  lang_path, script_dirent->d_name);
2990 				read_script_info(desc, script_path);
2991 				free(script_root);
2992 			}
2993 		}
2994 	}
2995 
2996 	fprintf(stdout, "List of available trace scripts:\n");
2997 	list_for_each_entry(desc, &script_descs, node) {
2998 		sprintf(first_half, "%s %s", desc->name,
2999 			desc->args ? desc->args : "");
3000 		fprintf(stdout, "  %-36s %s\n", first_half,
3001 			desc->half_liner ? desc->half_liner : "");
3002 	}
3003 
3004 	exit(0);
3005 }
3006 
3007 /*
3008  * Some scripts specify the required events in their "xxx-record" file,
3009  * this function will check if the events in perf.data match those
3010  * mentioned in the "xxx-record".
3011  *
3012  * Fixme: All existing "xxx-record" are all in good formats "-e event ",
3013  * which is covered well now. And new parsing code should be added to
3014  * cover the future complexing formats like event groups etc.
3015  */
3016 static int check_ev_match(char *dir_name, char *scriptname,
3017 			struct perf_session *session)
3018 {
3019 	char filename[MAXPATHLEN], evname[128];
3020 	char line[BUFSIZ], *p;
3021 	struct evsel *pos;
3022 	int match, len;
3023 	FILE *fp;
3024 
3025 	scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
3026 
3027 	fp = fopen(filename, "r");
3028 	if (!fp)
3029 		return -1;
3030 
3031 	while (fgets(line, sizeof(line), fp)) {
3032 		p = skip_spaces(line);
3033 		if (*p == '#')
3034 			continue;
3035 
3036 		while (strlen(p)) {
3037 			p = strstr(p, "-e");
3038 			if (!p)
3039 				break;
3040 
3041 			p += 2;
3042 			p = skip_spaces(p);
3043 			len = strcspn(p, " \t");
3044 			if (!len)
3045 				break;
3046 
3047 			snprintf(evname, len + 1, "%s", p);
3048 
3049 			match = 0;
3050 			evlist__for_each_entry(session->evlist, pos) {
3051 				if (!strcmp(perf_evsel__name(pos), evname)) {
3052 					match = 1;
3053 					break;
3054 				}
3055 			}
3056 
3057 			if (!match) {
3058 				fclose(fp);
3059 				return -1;
3060 			}
3061 		}
3062 	}
3063 
3064 	fclose(fp);
3065 	return 0;
3066 }
3067 
3068 /*
3069  * Return -1 if none is found, otherwise the actual scripts number.
3070  *
3071  * Currently the only user of this function is the script browser, which
3072  * will list all statically runnable scripts, select one, execute it and
3073  * show the output in a perf browser.
3074  */
3075 int find_scripts(char **scripts_array, char **scripts_path_array, int num,
3076 		 int pathlen)
3077 {
3078 	struct dirent *script_dirent, *lang_dirent;
3079 	char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
3080 	DIR *scripts_dir, *lang_dir;
3081 	struct perf_session *session;
3082 	struct perf_data data = {
3083 		.path = input_name,
3084 		.mode = PERF_DATA_MODE_READ,
3085 	};
3086 	char *temp;
3087 	int i = 0;
3088 
3089 	session = perf_session__new(&data, false, NULL);
3090 	if (IS_ERR(session))
3091 		return PTR_ERR(session);
3092 
3093 	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3094 
3095 	scripts_dir = opendir(scripts_path);
3096 	if (!scripts_dir) {
3097 		perf_session__delete(session);
3098 		return -1;
3099 	}
3100 
3101 	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3102 		scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
3103 			  lang_dirent->d_name);
3104 #ifndef HAVE_LIBPERL_SUPPORT
3105 		if (strstr(lang_path, "perl"))
3106 			continue;
3107 #endif
3108 #ifndef HAVE_LIBPYTHON_SUPPORT
3109 		if (strstr(lang_path, "python"))
3110 			continue;
3111 #endif
3112 
3113 		lang_dir = opendir(lang_path);
3114 		if (!lang_dir)
3115 			continue;
3116 
3117 		for_each_script(lang_path, lang_dir, script_dirent) {
3118 			/* Skip those real time scripts: xxxtop.p[yl] */
3119 			if (strstr(script_dirent->d_name, "top."))
3120 				continue;
3121 			if (i >= num)
3122 				break;
3123 			snprintf(scripts_path_array[i], pathlen, "%s/%s",
3124 				lang_path,
3125 				script_dirent->d_name);
3126 			temp = strchr(script_dirent->d_name, '.');
3127 			snprintf(scripts_array[i],
3128 				(temp - script_dirent->d_name) + 1,
3129 				"%s", script_dirent->d_name);
3130 
3131 			if (check_ev_match(lang_path,
3132 					scripts_array[i], session))
3133 				continue;
3134 
3135 			i++;
3136 		}
3137 		closedir(lang_dir);
3138 	}
3139 
3140 	closedir(scripts_dir);
3141 	perf_session__delete(session);
3142 	return i;
3143 }
3144 
3145 static char *get_script_path(const char *script_root, const char *suffix)
3146 {
3147 	struct dirent *script_dirent, *lang_dirent;
3148 	char scripts_path[MAXPATHLEN];
3149 	char script_path[MAXPATHLEN];
3150 	DIR *scripts_dir, *lang_dir;
3151 	char lang_path[MAXPATHLEN];
3152 	char *__script_root;
3153 
3154 	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3155 
3156 	scripts_dir = opendir(scripts_path);
3157 	if (!scripts_dir)
3158 		return NULL;
3159 
3160 	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3161 		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3162 			  lang_dirent->d_name);
3163 		lang_dir = opendir(lang_path);
3164 		if (!lang_dir)
3165 			continue;
3166 
3167 		for_each_script(lang_path, lang_dir, script_dirent) {
3168 			__script_root = get_script_root(script_dirent, suffix);
3169 			if (__script_root && !strcmp(script_root, __script_root)) {
3170 				free(__script_root);
3171 				closedir(lang_dir);
3172 				closedir(scripts_dir);
3173 				scnprintf(script_path, MAXPATHLEN, "%s/%s",
3174 					  lang_path, script_dirent->d_name);
3175 				return strdup(script_path);
3176 			}
3177 			free(__script_root);
3178 		}
3179 		closedir(lang_dir);
3180 	}
3181 	closedir(scripts_dir);
3182 
3183 	return NULL;
3184 }
3185 
3186 static bool is_top_script(const char *script_path)
3187 {
3188 	return ends_with(script_path, "top") == NULL ? false : true;
3189 }
3190 
3191 static int has_required_arg(char *script_path)
3192 {
3193 	struct script_desc *desc;
3194 	int n_args = 0;
3195 	char *p;
3196 
3197 	desc = script_desc__new(NULL);
3198 
3199 	if (read_script_info(desc, script_path))
3200 		goto out;
3201 
3202 	if (!desc->args)
3203 		goto out;
3204 
3205 	for (p = desc->args; *p; p++)
3206 		if (*p == '<')
3207 			n_args++;
3208 out:
3209 	script_desc__delete(desc);
3210 
3211 	return n_args;
3212 }
3213 
3214 static int have_cmd(int argc, const char **argv)
3215 {
3216 	char **__argv = malloc(sizeof(const char *) * argc);
3217 
3218 	if (!__argv) {
3219 		pr_err("malloc failed\n");
3220 		return -1;
3221 	}
3222 
3223 	memcpy(__argv, argv, sizeof(const char *) * argc);
3224 	argc = parse_options(argc, (const char **)__argv, record_options,
3225 			     NULL, PARSE_OPT_STOP_AT_NON_OPTION);
3226 	free(__argv);
3227 
3228 	system_wide = (argc == 0);
3229 
3230 	return 0;
3231 }
3232 
3233 static void script__setup_sample_type(struct perf_script *script)
3234 {
3235 	struct perf_session *session = script->session;
3236 	u64 sample_type = perf_evlist__combined_sample_type(session->evlist);
3237 
3238 	if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
3239 		if ((sample_type & PERF_SAMPLE_REGS_USER) &&
3240 		    (sample_type & PERF_SAMPLE_STACK_USER)) {
3241 			callchain_param.record_mode = CALLCHAIN_DWARF;
3242 			dwarf_callchain_users = true;
3243 		} else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
3244 			callchain_param.record_mode = CALLCHAIN_LBR;
3245 		else
3246 			callchain_param.record_mode = CALLCHAIN_FP;
3247 	}
3248 }
3249 
3250 static int process_stat_round_event(struct perf_session *session,
3251 				    union perf_event *event)
3252 {
3253 	struct perf_record_stat_round *round = &event->stat_round;
3254 	struct evsel *counter;
3255 
3256 	evlist__for_each_entry(session->evlist, counter) {
3257 		perf_stat_process_counter(&stat_config, counter);
3258 		process_stat(counter, round->time);
3259 	}
3260 
3261 	process_stat_interval(round->time);
3262 	return 0;
3263 }
3264 
3265 static int process_stat_config_event(struct perf_session *session __maybe_unused,
3266 				     union perf_event *event)
3267 {
3268 	perf_event__read_stat_config(&stat_config, &event->stat_config);
3269 	return 0;
3270 }
3271 
3272 static int set_maps(struct perf_script *script)
3273 {
3274 	struct evlist *evlist = script->session->evlist;
3275 
3276 	if (!script->cpus || !script->threads)
3277 		return 0;
3278 
3279 	if (WARN_ONCE(script->allocated, "stats double allocation\n"))
3280 		return -EINVAL;
3281 
3282 	perf_evlist__set_maps(&evlist->core, script->cpus, script->threads);
3283 
3284 	if (perf_evlist__alloc_stats(evlist, true))
3285 		return -ENOMEM;
3286 
3287 	script->allocated = true;
3288 	return 0;
3289 }
3290 
3291 static
3292 int process_thread_map_event(struct perf_session *session,
3293 			     union perf_event *event)
3294 {
3295 	struct perf_tool *tool = session->tool;
3296 	struct perf_script *script = container_of(tool, struct perf_script, tool);
3297 
3298 	if (script->threads) {
3299 		pr_warning("Extra thread map event, ignoring.\n");
3300 		return 0;
3301 	}
3302 
3303 	script->threads = thread_map__new_event(&event->thread_map);
3304 	if (!script->threads)
3305 		return -ENOMEM;
3306 
3307 	return set_maps(script);
3308 }
3309 
3310 static
3311 int process_cpu_map_event(struct perf_session *session,
3312 			  union perf_event *event)
3313 {
3314 	struct perf_tool *tool = session->tool;
3315 	struct perf_script *script = container_of(tool, struct perf_script, tool);
3316 
3317 	if (script->cpus) {
3318 		pr_warning("Extra cpu map event, ignoring.\n");
3319 		return 0;
3320 	}
3321 
3322 	script->cpus = cpu_map__new_data(&event->cpu_map.data);
3323 	if (!script->cpus)
3324 		return -ENOMEM;
3325 
3326 	return set_maps(script);
3327 }
3328 
3329 static int process_feature_event(struct perf_session *session,
3330 				 union perf_event *event)
3331 {
3332 	if (event->feat.feat_id < HEADER_LAST_FEATURE)
3333 		return perf_event__process_feature(session, event);
3334 	return 0;
3335 }
3336 
3337 #ifdef HAVE_AUXTRACE_SUPPORT
3338 static int perf_script__process_auxtrace_info(struct perf_session *session,
3339 					      union perf_event *event)
3340 {
3341 	struct perf_tool *tool = session->tool;
3342 
3343 	int ret = perf_event__process_auxtrace_info(session, event);
3344 
3345 	if (ret == 0) {
3346 		struct perf_script *script = container_of(tool, struct perf_script, tool);
3347 
3348 		ret = perf_script__setup_per_event_dump(script);
3349 	}
3350 
3351 	return ret;
3352 }
3353 #else
3354 #define perf_script__process_auxtrace_info 0
3355 #endif
3356 
3357 static int parse_insn_trace(const struct option *opt __maybe_unused,
3358 			    const char *str __maybe_unused,
3359 			    int unset __maybe_unused)
3360 {
3361 	parse_output_fields(NULL, "+insn,-event,-period", 0);
3362 	itrace_parse_synth_opts(opt, "i0ns", 0);
3363 	symbol_conf.nanosecs = true;
3364 	return 0;
3365 }
3366 
3367 static int parse_xed(const struct option *opt __maybe_unused,
3368 		     const char *str __maybe_unused,
3369 		     int unset __maybe_unused)
3370 {
3371 	force_pager("xed -F insn: -A -64 | less");
3372 	return 0;
3373 }
3374 
3375 static int parse_call_trace(const struct option *opt __maybe_unused,
3376 			    const char *str __maybe_unused,
3377 			    int unset __maybe_unused)
3378 {
3379 	parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
3380 	itrace_parse_synth_opts(opt, "cewp", 0);
3381 	symbol_conf.nanosecs = true;
3382 	symbol_conf.pad_output_len_dso = 50;
3383 	return 0;
3384 }
3385 
3386 static int parse_callret_trace(const struct option *opt __maybe_unused,
3387 			    const char *str __maybe_unused,
3388 			    int unset __maybe_unused)
3389 {
3390 	parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
3391 	itrace_parse_synth_opts(opt, "crewp", 0);
3392 	symbol_conf.nanosecs = true;
3393 	return 0;
3394 }
3395 
3396 int cmd_script(int argc, const char **argv)
3397 {
3398 	bool show_full_info = false;
3399 	bool header = false;
3400 	bool header_only = false;
3401 	bool script_started = false;
3402 	char *rec_script_path = NULL;
3403 	char *rep_script_path = NULL;
3404 	struct perf_session *session;
3405 	struct itrace_synth_opts itrace_synth_opts = {
3406 		.set = false,
3407 		.default_no_sample = true,
3408 	};
3409 	struct utsname uts;
3410 	char *script_path = NULL;
3411 	const char **__argv;
3412 	int i, j, err = 0;
3413 	struct perf_script script = {
3414 		.tool = {
3415 			.sample		 = process_sample_event,
3416 			.mmap		 = perf_event__process_mmap,
3417 			.mmap2		 = perf_event__process_mmap2,
3418 			.comm		 = perf_event__process_comm,
3419 			.namespaces	 = perf_event__process_namespaces,
3420 			.exit		 = perf_event__process_exit,
3421 			.fork		 = perf_event__process_fork,
3422 			.attr		 = process_attr,
3423 			.event_update   = perf_event__process_event_update,
3424 			.tracing_data	 = perf_event__process_tracing_data,
3425 			.feature	 = process_feature_event,
3426 			.build_id	 = perf_event__process_build_id,
3427 			.id_index	 = perf_event__process_id_index,
3428 			.auxtrace_info	 = perf_script__process_auxtrace_info,
3429 			.auxtrace	 = perf_event__process_auxtrace,
3430 			.auxtrace_error	 = perf_event__process_auxtrace_error,
3431 			.stat		 = perf_event__process_stat_event,
3432 			.stat_round	 = process_stat_round_event,
3433 			.stat_config	 = process_stat_config_event,
3434 			.thread_map	 = process_thread_map_event,
3435 			.cpu_map	 = process_cpu_map_event,
3436 			.ordered_events	 = true,
3437 			.ordering_requires_timestamps = true,
3438 		},
3439 	};
3440 	struct perf_data data = {
3441 		.mode = PERF_DATA_MODE_READ,
3442 	};
3443 	const struct option options[] = {
3444 	OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3445 		    "dump raw trace in ASCII"),
3446 	OPT_INCR('v', "verbose", &verbose,
3447 		 "be more verbose (show symbol address, etc)"),
3448 	OPT_BOOLEAN('L', "Latency", &latency_format,
3449 		    "show latency attributes (irqs/preemption disabled, etc)"),
3450 	OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3451 			   list_available_scripts),
3452 	OPT_CALLBACK('s', "script", NULL, "name",
3453 		     "script file name (lang:script name, script name, or *)",
3454 		     parse_scriptname),
3455 	OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3456 		   "generate perf-script.xx script in specified language"),
3457 	OPT_STRING('i', "input", &input_name, "file", "input file name"),
3458 	OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3459 		   "do various checks like samples ordering and lost events"),
3460 	OPT_BOOLEAN(0, "header", &header, "Show data header."),
3461 	OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3462 	OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3463 		   "file", "vmlinux pathname"),
3464 	OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3465 		   "file", "kallsyms pathname"),
3466 	OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3467 		    "When printing symbols do not display call chain"),
3468 	OPT_CALLBACK(0, "symfs", NULL, "directory",
3469 		     "Look for files with symbols relative to this directory",
3470 		     symbol__config_symfs),
3471 	OPT_CALLBACK('F', "fields", NULL, "str",
3472 		     "comma separated output fields prepend with 'type:'. "
3473 		     "+field to add and -field to remove."
3474 		     "Valid types: hw,sw,trace,raw,synth. "
3475 		     "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
3476 		     "addr,symoff,srcline,period,iregs,uregs,brstack,"
3477 		     "brstacksym,flags,bpf-output,brstackinsn,brstackoff,"
3478 		     "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc",
3479 		     parse_output_fields),
3480 	OPT_BOOLEAN('a', "all-cpus", &system_wide,
3481 		    "system-wide collection from all CPUs"),
3482 	OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3483 		   "only consider these symbols"),
3484 	OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL,
3485 			"Decode instructions from itrace", parse_insn_trace),
3486 	OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
3487 			"Run xed disassembler on output", parse_xed),
3488 	OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
3489 			"Decode calls from from itrace", parse_call_trace),
3490 	OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
3491 			"Decode calls and returns from itrace", parse_callret_trace),
3492 	OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",
3493 			"Only print symbols and callees with --call-trace/--call-ret-trace"),
3494 	OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3495 		   "Stop display of callgraph at these symbols"),
3496 	OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3497 	OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3498 		   "only display events for these comms"),
3499 	OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3500 		   "only consider symbols in these pids"),
3501 	OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3502 		   "only consider symbols in these tids"),
3503 	OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3504 		     "Set the maximum stack depth when parsing the callchain, "
3505 		     "anything beyond the specified depth will be ignored. "
3506 		     "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3507 	OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"),
3508 	OPT_BOOLEAN('I', "show-info", &show_full_info,
3509 		    "display extended information from perf.data file"),
3510 	OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3511 		    "Show the path of [kernel.kallsyms]"),
3512 	OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3513 		    "Show the fork/comm/exit events"),
3514 	OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3515 		    "Show the mmap events"),
3516 	OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3517 		    "Show context switch events (if recorded)"),
3518 	OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3519 		    "Show namespace events (if recorded)"),
3520 	OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3521 		    "Show lost events (if recorded)"),
3522 	OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3523 		    "Show round events (if recorded)"),
3524 	OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events,
3525 		    "Show bpf related events (if recorded)"),
3526 	OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
3527 		    "Dump trace output to files named by the monitored events"),
3528 	OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3529 	OPT_INTEGER(0, "max-blocks", &max_blocks,
3530 		    "Maximum number of code blocks to dump with brstackinsn"),
3531 	OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs,
3532 		    "Use 9 decimal places when displaying time"),
3533 	OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
3534 			    "Instruction Tracing options\n" ITRACE_HELP,
3535 			    itrace_parse_synth_opts),
3536 	OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
3537 			"Show full source file name path for source lines"),
3538 	OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
3539 			"Enable symbol demangling"),
3540 	OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
3541 			"Enable kernel symbol demangling"),
3542 	OPT_STRING(0, "time", &script.time_str, "str",
3543 		   "Time span of interest (start,stop)"),
3544 	OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
3545 		    "Show inline function"),
3546 	OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
3547 		   "guest mount directory under which every guest os"
3548 		   " instance has a subdir"),
3549 	OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name,
3550 		   "file", "file saving guest os vmlinux"),
3551 	OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms,
3552 		   "file", "file saving guest os /proc/kallsyms"),
3553 	OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
3554 		   "file", "file saving guest os /proc/modules"),
3555 	OPTS_EVSWITCH(&script.evswitch),
3556 	OPT_END()
3557 	};
3558 	const char * const script_subcommands[] = { "record", "report", NULL };
3559 	const char *script_usage[] = {
3560 		"perf script [<options>]",
3561 		"perf script [<options>] record <script> [<record-options>] <command>",
3562 		"perf script [<options>] report <script> [script-args]",
3563 		"perf script [<options>] <script> [<record-options>] <command>",
3564 		"perf script [<options>] <top-script> [script-args]",
3565 		NULL
3566 	};
3567 
3568 	perf_set_singlethreaded();
3569 
3570 	setup_scripting();
3571 
3572 	argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3573 			     PARSE_OPT_STOP_AT_NON_OPTION);
3574 
3575 	if (symbol_conf.guestmount ||
3576 	    symbol_conf.default_guest_vmlinux_name ||
3577 	    symbol_conf.default_guest_kallsyms ||
3578 	    symbol_conf.default_guest_modules) {
3579 		/*
3580 		 * Enable guest sample processing.
3581 		 */
3582 		perf_guest = true;
3583 	}
3584 
3585 	data.path  = input_name;
3586 	data.force = symbol_conf.force;
3587 
3588 	if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
3589 		rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
3590 		if (!rec_script_path)
3591 			return cmd_record(argc, argv);
3592 	}
3593 
3594 	if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
3595 		rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
3596 		if (!rep_script_path) {
3597 			fprintf(stderr,
3598 				"Please specify a valid report script"
3599 				"(see 'perf script -l' for listing)\n");
3600 			return -1;
3601 		}
3602 	}
3603 
3604 	if (script.time_str && reltime) {
3605 		fprintf(stderr, "Don't combine --reltime with --time\n");
3606 		return -1;
3607 	}
3608 
3609 	if (itrace_synth_opts.callchain &&
3610 	    itrace_synth_opts.callchain_sz > scripting_max_stack)
3611 		scripting_max_stack = itrace_synth_opts.callchain_sz;
3612 
3613 	/* make sure PERF_EXEC_PATH is set for scripts */
3614 	set_argv_exec_path(get_argv_exec_path());
3615 
3616 	if (argc && !script_name && !rec_script_path && !rep_script_path) {
3617 		int live_pipe[2];
3618 		int rep_args;
3619 		pid_t pid;
3620 
3621 		rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
3622 		rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
3623 
3624 		if (!rec_script_path && !rep_script_path) {
3625 			usage_with_options_msg(script_usage, options,
3626 				"Couldn't find script `%s'\n\n See perf"
3627 				" script -l for available scripts.\n", argv[0]);
3628 		}
3629 
3630 		if (is_top_script(argv[0])) {
3631 			rep_args = argc - 1;
3632 		} else {
3633 			int rec_args;
3634 
3635 			rep_args = has_required_arg(rep_script_path);
3636 			rec_args = (argc - 1) - rep_args;
3637 			if (rec_args < 0) {
3638 				usage_with_options_msg(script_usage, options,
3639 					"`%s' script requires options."
3640 					"\n\n See perf script -l for available "
3641 					"scripts and options.\n", argv[0]);
3642 			}
3643 		}
3644 
3645 		if (pipe(live_pipe) < 0) {
3646 			perror("failed to create pipe");
3647 			return -1;
3648 		}
3649 
3650 		pid = fork();
3651 		if (pid < 0) {
3652 			perror("failed to fork");
3653 			return -1;
3654 		}
3655 
3656 		if (!pid) {
3657 			j = 0;
3658 
3659 			dup2(live_pipe[1], 1);
3660 			close(live_pipe[0]);
3661 
3662 			if (is_top_script(argv[0])) {
3663 				system_wide = true;
3664 			} else if (!system_wide) {
3665 				if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
3666 					err = -1;
3667 					goto out;
3668 				}
3669 			}
3670 
3671 			__argv = malloc((argc + 6) * sizeof(const char *));
3672 			if (!__argv) {
3673 				pr_err("malloc failed\n");
3674 				err = -ENOMEM;
3675 				goto out;
3676 			}
3677 
3678 			__argv[j++] = "/bin/sh";
3679 			__argv[j++] = rec_script_path;
3680 			if (system_wide)
3681 				__argv[j++] = "-a";
3682 			__argv[j++] = "-q";
3683 			__argv[j++] = "-o";
3684 			__argv[j++] = "-";
3685 			for (i = rep_args + 1; i < argc; i++)
3686 				__argv[j++] = argv[i];
3687 			__argv[j++] = NULL;
3688 
3689 			execvp("/bin/sh", (char **)__argv);
3690 			free(__argv);
3691 			exit(-1);
3692 		}
3693 
3694 		dup2(live_pipe[0], 0);
3695 		close(live_pipe[1]);
3696 
3697 		__argv = malloc((argc + 4) * sizeof(const char *));
3698 		if (!__argv) {
3699 			pr_err("malloc failed\n");
3700 			err = -ENOMEM;
3701 			goto out;
3702 		}
3703 
3704 		j = 0;
3705 		__argv[j++] = "/bin/sh";
3706 		__argv[j++] = rep_script_path;
3707 		for (i = 1; i < rep_args + 1; i++)
3708 			__argv[j++] = argv[i];
3709 		__argv[j++] = "-i";
3710 		__argv[j++] = "-";
3711 		__argv[j++] = NULL;
3712 
3713 		execvp("/bin/sh", (char **)__argv);
3714 		free(__argv);
3715 		exit(-1);
3716 	}
3717 
3718 	if (rec_script_path)
3719 		script_path = rec_script_path;
3720 	if (rep_script_path)
3721 		script_path = rep_script_path;
3722 
3723 	if (script_path) {
3724 		j = 0;
3725 
3726 		if (!rec_script_path)
3727 			system_wide = false;
3728 		else if (!system_wide) {
3729 			if (have_cmd(argc - 1, &argv[1]) != 0) {
3730 				err = -1;
3731 				goto out;
3732 			}
3733 		}
3734 
3735 		__argv = malloc((argc + 2) * sizeof(const char *));
3736 		if (!__argv) {
3737 			pr_err("malloc failed\n");
3738 			err = -ENOMEM;
3739 			goto out;
3740 		}
3741 
3742 		__argv[j++] = "/bin/sh";
3743 		__argv[j++] = script_path;
3744 		if (system_wide)
3745 			__argv[j++] = "-a";
3746 		for (i = 2; i < argc; i++)
3747 			__argv[j++] = argv[i];
3748 		__argv[j++] = NULL;
3749 
3750 		execvp("/bin/sh", (char **)__argv);
3751 		free(__argv);
3752 		exit(-1);
3753 	}
3754 
3755 	if (!script_name) {
3756 		setup_pager();
3757 		use_browser = 0;
3758 	}
3759 
3760 	session = perf_session__new(&data, false, &script.tool);
3761 	if (IS_ERR(session))
3762 		return PTR_ERR(session);
3763 
3764 	if (header || header_only) {
3765 		script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
3766 		perf_session__fprintf_info(session, stdout, show_full_info);
3767 		if (header_only)
3768 			goto out_delete;
3769 	}
3770 	if (show_full_info)
3771 		script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
3772 
3773 	if (symbol__init(&session->header.env) < 0)
3774 		goto out_delete;
3775 
3776 	uname(&uts);
3777 	if (data.is_pipe ||  /* assume pipe_mode indicates native_arch */
3778 	    !strcmp(uts.machine, session->header.env.arch) ||
3779 	    (!strcmp(uts.machine, "x86_64") &&
3780 	     !strcmp(session->header.env.arch, "i386")))
3781 		native_arch = true;
3782 
3783 	script.session = session;
3784 	script__setup_sample_type(&script);
3785 
3786 	if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) ||
3787 	    symbol_conf.graph_function)
3788 		itrace_synth_opts.thread_stack = true;
3789 
3790 	session->itrace_synth_opts = &itrace_synth_opts;
3791 
3792 	if (cpu_list) {
3793 		err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
3794 		if (err < 0)
3795 			goto out_delete;
3796 		itrace_synth_opts.cpu_bitmap = cpu_bitmap;
3797 	}
3798 
3799 	if (!no_callchain)
3800 		symbol_conf.use_callchain = true;
3801 	else
3802 		symbol_conf.use_callchain = false;
3803 
3804 	if (session->tevent.pevent &&
3805 	    tep_set_function_resolver(session->tevent.pevent,
3806 				      machine__resolve_kernel_addr,
3807 				      &session->machines.host) < 0) {
3808 		pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
3809 		err = -1;
3810 		goto out_delete;
3811 	}
3812 
3813 	if (generate_script_lang) {
3814 		struct stat perf_stat;
3815 		int input;
3816 
3817 		if (output_set_by_user()) {
3818 			fprintf(stderr,
3819 				"custom fields not supported for generated scripts");
3820 			err = -EINVAL;
3821 			goto out_delete;
3822 		}
3823 
3824 		input = open(data.path, O_RDONLY);	/* input_name */
3825 		if (input < 0) {
3826 			err = -errno;
3827 			perror("failed to open file");
3828 			goto out_delete;
3829 		}
3830 
3831 		err = fstat(input, &perf_stat);
3832 		if (err < 0) {
3833 			perror("failed to stat file");
3834 			goto out_delete;
3835 		}
3836 
3837 		if (!perf_stat.st_size) {
3838 			fprintf(stderr, "zero-sized file, nothing to do!\n");
3839 			goto out_delete;
3840 		}
3841 
3842 		scripting_ops = script_spec__lookup(generate_script_lang);
3843 		if (!scripting_ops) {
3844 			fprintf(stderr, "invalid language specifier");
3845 			err = -ENOENT;
3846 			goto out_delete;
3847 		}
3848 
3849 		err = scripting_ops->generate_script(session->tevent.pevent,
3850 						     "perf-script");
3851 		goto out_delete;
3852 	}
3853 
3854 	if (script_name) {
3855 		err = scripting_ops->start_script(script_name, argc, argv);
3856 		if (err)
3857 			goto out_delete;
3858 		pr_debug("perf script started with script %s\n\n", script_name);
3859 		script_started = true;
3860 	}
3861 
3862 
3863 	err = perf_session__check_output_opt(session);
3864 	if (err < 0)
3865 		goto out_delete;
3866 
3867 	if (script.time_str) {
3868 		err = perf_time__parse_for_ranges(script.time_str, session,
3869 						  &script.ptime_range,
3870 						  &script.range_size,
3871 						  &script.range_num);
3872 		if (err < 0)
3873 			goto out_delete;
3874 
3875 		itrace_synth_opts__set_time_range(&itrace_synth_opts,
3876 						  script.ptime_range,
3877 						  script.range_num);
3878 	}
3879 
3880 	err = evswitch__init(&script.evswitch, session->evlist, stderr);
3881 	if (err)
3882 		goto out_delete;
3883 
3884 	err = __cmd_script(&script);
3885 
3886 	flush_scripting();
3887 
3888 out_delete:
3889 	if (script.ptime_range) {
3890 		itrace_synth_opts__clear_time_range(&itrace_synth_opts);
3891 		zfree(&script.ptime_range);
3892 	}
3893 
3894 	perf_evlist__free_stats(session->evlist);
3895 	perf_session__delete(session);
3896 
3897 	if (script_started)
3898 		cleanup_scripting();
3899 out:
3900 	return err;
3901 }
3902