xref: /openbmc/linux/tools/perf/builtin-script.c (revision 165f2d28)
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 bool			deltatime;
67 static u64			initial_time;
68 static u64			previous_time;
69 static bool			debug_mode;
70 static u64			last_timestamp;
71 static u64			nr_unordered;
72 static bool			no_callchain;
73 static bool			latency_format;
74 static bool			system_wide;
75 static bool			print_flags;
76 static const char		*cpu_list;
77 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
78 static struct perf_stat_config	stat_config;
79 static int			max_blocks;
80 static bool			native_arch;
81 
82 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
83 
84 enum perf_output_field {
85 	PERF_OUTPUT_COMM            = 1U << 0,
86 	PERF_OUTPUT_TID             = 1U << 1,
87 	PERF_OUTPUT_PID             = 1U << 2,
88 	PERF_OUTPUT_TIME            = 1U << 3,
89 	PERF_OUTPUT_CPU             = 1U << 4,
90 	PERF_OUTPUT_EVNAME          = 1U << 5,
91 	PERF_OUTPUT_TRACE           = 1U << 6,
92 	PERF_OUTPUT_IP              = 1U << 7,
93 	PERF_OUTPUT_SYM             = 1U << 8,
94 	PERF_OUTPUT_DSO             = 1U << 9,
95 	PERF_OUTPUT_ADDR            = 1U << 10,
96 	PERF_OUTPUT_SYMOFFSET       = 1U << 11,
97 	PERF_OUTPUT_SRCLINE         = 1U << 12,
98 	PERF_OUTPUT_PERIOD          = 1U << 13,
99 	PERF_OUTPUT_IREGS	    = 1U << 14,
100 	PERF_OUTPUT_BRSTACK	    = 1U << 15,
101 	PERF_OUTPUT_BRSTACKSYM	    = 1U << 16,
102 	PERF_OUTPUT_DATA_SRC	    = 1U << 17,
103 	PERF_OUTPUT_WEIGHT	    = 1U << 18,
104 	PERF_OUTPUT_BPF_OUTPUT	    = 1U << 19,
105 	PERF_OUTPUT_CALLINDENT	    = 1U << 20,
106 	PERF_OUTPUT_INSN	    = 1U << 21,
107 	PERF_OUTPUT_INSNLEN	    = 1U << 22,
108 	PERF_OUTPUT_BRSTACKINSN	    = 1U << 23,
109 	PERF_OUTPUT_BRSTACKOFF	    = 1U << 24,
110 	PERF_OUTPUT_SYNTH           = 1U << 25,
111 	PERF_OUTPUT_PHYS_ADDR       = 1U << 26,
112 	PERF_OUTPUT_UREGS	    = 1U << 27,
113 	PERF_OUTPUT_METRIC	    = 1U << 28,
114 	PERF_OUTPUT_MISC            = 1U << 29,
115 	PERF_OUTPUT_SRCCODE	    = 1U << 30,
116 	PERF_OUTPUT_IPC             = 1U << 31,
117 };
118 
119 struct output_option {
120 	const char *str;
121 	enum perf_output_field field;
122 } all_output_options[] = {
123 	{.str = "comm",  .field = PERF_OUTPUT_COMM},
124 	{.str = "tid",   .field = PERF_OUTPUT_TID},
125 	{.str = "pid",   .field = PERF_OUTPUT_PID},
126 	{.str = "time",  .field = PERF_OUTPUT_TIME},
127 	{.str = "cpu",   .field = PERF_OUTPUT_CPU},
128 	{.str = "event", .field = PERF_OUTPUT_EVNAME},
129 	{.str = "trace", .field = PERF_OUTPUT_TRACE},
130 	{.str = "ip",    .field = PERF_OUTPUT_IP},
131 	{.str = "sym",   .field = PERF_OUTPUT_SYM},
132 	{.str = "dso",   .field = PERF_OUTPUT_DSO},
133 	{.str = "addr",  .field = PERF_OUTPUT_ADDR},
134 	{.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
135 	{.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
136 	{.str = "period", .field = PERF_OUTPUT_PERIOD},
137 	{.str = "iregs", .field = PERF_OUTPUT_IREGS},
138 	{.str = "uregs", .field = PERF_OUTPUT_UREGS},
139 	{.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
140 	{.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
141 	{.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
142 	{.str = "weight",   .field = PERF_OUTPUT_WEIGHT},
143 	{.str = "bpf-output",   .field = PERF_OUTPUT_BPF_OUTPUT},
144 	{.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
145 	{.str = "insn", .field = PERF_OUTPUT_INSN},
146 	{.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
147 	{.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
148 	{.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
149 	{.str = "synth", .field = PERF_OUTPUT_SYNTH},
150 	{.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
151 	{.str = "metric", .field = PERF_OUTPUT_METRIC},
152 	{.str = "misc", .field = PERF_OUTPUT_MISC},
153 	{.str = "srccode", .field = PERF_OUTPUT_SRCCODE},
154 	{.str = "ipc", .field = PERF_OUTPUT_IPC},
155 };
156 
157 enum {
158 	OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
159 	OUTPUT_TYPE_MAX
160 };
161 
162 /* default set to maintain compatibility with current format */
163 static struct {
164 	bool user_set;
165 	bool wildcard_set;
166 	unsigned int print_ip_opts;
167 	u64 fields;
168 	u64 invalid_fields;
169 	u64 user_set_fields;
170 } output[OUTPUT_TYPE_MAX] = {
171 
172 	[PERF_TYPE_HARDWARE] = {
173 		.user_set = false,
174 
175 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
176 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
177 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
178 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
179 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
180 
181 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
182 	},
183 
184 	[PERF_TYPE_SOFTWARE] = {
185 		.user_set = false,
186 
187 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
188 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
189 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
190 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
191 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
192 			      PERF_OUTPUT_BPF_OUTPUT,
193 
194 		.invalid_fields = PERF_OUTPUT_TRACE,
195 	},
196 
197 	[PERF_TYPE_TRACEPOINT] = {
198 		.user_set = false,
199 
200 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
201 				  PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
202 				  PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
203 	},
204 
205 	[PERF_TYPE_HW_CACHE] = {
206 		.user_set = false,
207 
208 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
209 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
210 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
211 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
212 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
213 
214 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
215 	},
216 
217 	[PERF_TYPE_RAW] = {
218 		.user_set = false,
219 
220 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
221 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
222 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
223 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
224 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
225 			      PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
226 			      PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR,
227 
228 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
229 	},
230 
231 	[PERF_TYPE_BREAKPOINT] = {
232 		.user_set = false,
233 
234 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
235 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
236 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
237 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
238 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
239 
240 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
241 	},
242 
243 	[OUTPUT_TYPE_SYNTH] = {
244 		.user_set = false,
245 
246 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
247 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
248 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
249 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
250 			      PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH,
251 
252 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
253 	},
254 };
255 
256 struct evsel_script {
257        char *filename;
258        FILE *fp;
259        u64  samples;
260        /* For metric output */
261        u64  val;
262        int  gnum;
263 };
264 
265 static inline struct evsel_script *evsel_script(struct evsel *evsel)
266 {
267 	return (struct evsel_script *)evsel->priv;
268 }
269 
270 static struct evsel_script *perf_evsel_script__new(struct evsel *evsel,
271 							struct perf_data *data)
272 {
273 	struct evsel_script *es = zalloc(sizeof(*es));
274 
275 	if (es != NULL) {
276 		if (asprintf(&es->filename, "%s.%s.dump", data->file.path, perf_evsel__name(evsel)) < 0)
277 			goto out_free;
278 		es->fp = fopen(es->filename, "w");
279 		if (es->fp == NULL)
280 			goto out_free_filename;
281 	}
282 
283 	return es;
284 out_free_filename:
285 	zfree(&es->filename);
286 out_free:
287 	free(es);
288 	return NULL;
289 }
290 
291 static void perf_evsel_script__delete(struct evsel_script *es)
292 {
293 	zfree(&es->filename);
294 	fclose(es->fp);
295 	es->fp = NULL;
296 	free(es);
297 }
298 
299 static int perf_evsel_script__fprintf(struct evsel_script *es, FILE *fp)
300 {
301 	struct stat st;
302 
303 	fstat(fileno(es->fp), &st);
304 	return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
305 		       st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
306 }
307 
308 static inline int output_type(unsigned int type)
309 {
310 	switch (type) {
311 	case PERF_TYPE_SYNTH:
312 		return OUTPUT_TYPE_SYNTH;
313 	default:
314 		return type;
315 	}
316 }
317 
318 static inline unsigned int attr_type(unsigned int type)
319 {
320 	switch (type) {
321 	case OUTPUT_TYPE_SYNTH:
322 		return PERF_TYPE_SYNTH;
323 	default:
324 		return type;
325 	}
326 }
327 
328 static bool output_set_by_user(void)
329 {
330 	int j;
331 	for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
332 		if (output[j].user_set)
333 			return true;
334 	}
335 	return false;
336 }
337 
338 static const char *output_field2str(enum perf_output_field field)
339 {
340 	int i, imax = ARRAY_SIZE(all_output_options);
341 	const char *str = "";
342 
343 	for (i = 0; i < imax; ++i) {
344 		if (all_output_options[i].field == field) {
345 			str = all_output_options[i].str;
346 			break;
347 		}
348 	}
349 	return str;
350 }
351 
352 #define PRINT_FIELD(x)  (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
353 
354 static int perf_evsel__do_check_stype(struct evsel *evsel,
355 				      u64 sample_type, const char *sample_msg,
356 				      enum perf_output_field field,
357 				      bool allow_user_set)
358 {
359 	struct perf_event_attr *attr = &evsel->core.attr;
360 	int type = output_type(attr->type);
361 	const char *evname;
362 
363 	if (attr->sample_type & sample_type)
364 		return 0;
365 
366 	if (output[type].user_set_fields & field) {
367 		if (allow_user_set)
368 			return 0;
369 		evname = perf_evsel__name(evsel);
370 		pr_err("Samples for '%s' event do not have %s attribute set. "
371 		       "Cannot print '%s' field.\n",
372 		       evname, sample_msg, output_field2str(field));
373 		return -1;
374 	}
375 
376 	/* user did not ask for it explicitly so remove from the default list */
377 	output[type].fields &= ~field;
378 	evname = perf_evsel__name(evsel);
379 	pr_debug("Samples for '%s' event do not have %s attribute set. "
380 		 "Skipping '%s' field.\n",
381 		 evname, sample_msg, output_field2str(field));
382 
383 	return 0;
384 }
385 
386 static int perf_evsel__check_stype(struct evsel *evsel,
387 				   u64 sample_type, const char *sample_msg,
388 				   enum perf_output_field field)
389 {
390 	return perf_evsel__do_check_stype(evsel, sample_type, sample_msg, field,
391 					  false);
392 }
393 
394 static int perf_evsel__check_attr(struct evsel *evsel,
395 				  struct perf_session *session)
396 {
397 	struct perf_event_attr *attr = &evsel->core.attr;
398 	bool allow_user_set;
399 
400 	if (perf_header__has_feat(&session->header, HEADER_STAT))
401 		return 0;
402 
403 	allow_user_set = perf_header__has_feat(&session->header,
404 					       HEADER_AUXTRACE);
405 
406 	if (PRINT_FIELD(TRACE) &&
407 		!perf_session__has_traces(session, "record -R"))
408 		return -EINVAL;
409 
410 	if (PRINT_FIELD(IP)) {
411 		if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP",
412 					    PERF_OUTPUT_IP))
413 			return -EINVAL;
414 	}
415 
416 	if (PRINT_FIELD(ADDR) &&
417 		perf_evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR",
418 					   PERF_OUTPUT_ADDR, allow_user_set))
419 		return -EINVAL;
420 
421 	if (PRINT_FIELD(DATA_SRC) &&
422 		perf_evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC",
423 					PERF_OUTPUT_DATA_SRC))
424 		return -EINVAL;
425 
426 	if (PRINT_FIELD(WEIGHT) &&
427 		perf_evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT",
428 					PERF_OUTPUT_WEIGHT))
429 		return -EINVAL;
430 
431 	if (PRINT_FIELD(SYM) &&
432 		!(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
433 		pr_err("Display of symbols requested but neither sample IP nor "
434 			   "sample address\navailable. Hence, no addresses to convert "
435 		       "to symbols.\n");
436 		return -EINVAL;
437 	}
438 	if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
439 		pr_err("Display of offsets requested but symbol is not"
440 		       "selected.\n");
441 		return -EINVAL;
442 	}
443 	if (PRINT_FIELD(DSO) &&
444 		!(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
445 		pr_err("Display of DSO requested but no address to convert.\n");
446 		return -EINVAL;
447 	}
448 	if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) {
449 		pr_err("Display of source line number requested but sample IP is not\n"
450 		       "selected. Hence, no address to lookup the source line number.\n");
451 		return -EINVAL;
452 	}
453 	if (PRINT_FIELD(BRSTACKINSN) && !allow_user_set &&
454 	    !(perf_evlist__combined_branch_type(session->evlist) &
455 	      PERF_SAMPLE_BRANCH_ANY)) {
456 		pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
457 		       "Hint: run 'perf record -b ...'\n");
458 		return -EINVAL;
459 	}
460 	if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
461 		perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID",
462 					PERF_OUTPUT_TID|PERF_OUTPUT_PID))
463 		return -EINVAL;
464 
465 	if (PRINT_FIELD(TIME) &&
466 		perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME",
467 					PERF_OUTPUT_TIME))
468 		return -EINVAL;
469 
470 	if (PRINT_FIELD(CPU) &&
471 		perf_evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU",
472 					   PERF_OUTPUT_CPU, allow_user_set))
473 		return -EINVAL;
474 
475 	if (PRINT_FIELD(IREGS) &&
476 		perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS",
477 					PERF_OUTPUT_IREGS))
478 		return -EINVAL;
479 
480 	if (PRINT_FIELD(UREGS) &&
481 		perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS",
482 					PERF_OUTPUT_UREGS))
483 		return -EINVAL;
484 
485 	if (PRINT_FIELD(PHYS_ADDR) &&
486 		perf_evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR",
487 					PERF_OUTPUT_PHYS_ADDR))
488 		return -EINVAL;
489 
490 	return 0;
491 }
492 
493 static void set_print_ip_opts(struct perf_event_attr *attr)
494 {
495 	unsigned int type = output_type(attr->type);
496 
497 	output[type].print_ip_opts = 0;
498 	if (PRINT_FIELD(IP))
499 		output[type].print_ip_opts |= EVSEL__PRINT_IP;
500 
501 	if (PRINT_FIELD(SYM))
502 		output[type].print_ip_opts |= EVSEL__PRINT_SYM;
503 
504 	if (PRINT_FIELD(DSO))
505 		output[type].print_ip_opts |= EVSEL__PRINT_DSO;
506 
507 	if (PRINT_FIELD(SYMOFFSET))
508 		output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
509 
510 	if (PRINT_FIELD(SRCLINE))
511 		output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
512 }
513 
514 /*
515  * verify all user requested events exist and the samples
516  * have the expected data
517  */
518 static int perf_session__check_output_opt(struct perf_session *session)
519 {
520 	unsigned int j;
521 	struct evsel *evsel;
522 
523 	for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
524 		evsel = perf_session__find_first_evtype(session, attr_type(j));
525 
526 		/*
527 		 * even if fields is set to 0 (ie., show nothing) event must
528 		 * exist if user explicitly includes it on the command line
529 		 */
530 		if (!evsel && output[j].user_set && !output[j].wildcard_set &&
531 		    j != OUTPUT_TYPE_SYNTH) {
532 			pr_err("%s events do not exist. "
533 			       "Remove corresponding -F option to proceed.\n",
534 			       event_type(j));
535 			return -1;
536 		}
537 
538 		if (evsel && output[j].fields &&
539 			perf_evsel__check_attr(evsel, session))
540 			return -1;
541 
542 		if (evsel == NULL)
543 			continue;
544 
545 		set_print_ip_opts(&evsel->core.attr);
546 	}
547 
548 	if (!no_callchain) {
549 		bool use_callchain = false;
550 		bool not_pipe = false;
551 
552 		evlist__for_each_entry(session->evlist, evsel) {
553 			not_pipe = true;
554 			if (evsel__has_callchain(evsel)) {
555 				use_callchain = true;
556 				break;
557 			}
558 		}
559 		if (not_pipe && !use_callchain)
560 			symbol_conf.use_callchain = false;
561 	}
562 
563 	/*
564 	 * set default for tracepoints to print symbols only
565 	 * if callchains are present
566 	 */
567 	if (symbol_conf.use_callchain &&
568 	    !output[PERF_TYPE_TRACEPOINT].user_set) {
569 		j = PERF_TYPE_TRACEPOINT;
570 
571 		evlist__for_each_entry(session->evlist, evsel) {
572 			if (evsel->core.attr.type != j)
573 				continue;
574 
575 			if (evsel__has_callchain(evsel)) {
576 				output[j].fields |= PERF_OUTPUT_IP;
577 				output[j].fields |= PERF_OUTPUT_SYM;
578 				output[j].fields |= PERF_OUTPUT_SYMOFFSET;
579 				output[j].fields |= PERF_OUTPUT_DSO;
580 				set_print_ip_opts(&evsel->core.attr);
581 				goto out;
582 			}
583 		}
584 	}
585 
586 out:
587 	return 0;
588 }
589 
590 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask,
591 				     FILE *fp
592 )
593 {
594 	unsigned i = 0, r;
595 	int printed = 0;
596 
597 	if (!regs || !regs->regs)
598 		return 0;
599 
600 	printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
601 
602 	for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
603 		u64 val = regs->regs[i++];
604 		printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
605 	}
606 
607 	fprintf(fp, "\n");
608 
609 	return printed;
610 }
611 
612 static int perf_sample__fprintf_iregs(struct perf_sample *sample,
613 				      struct perf_event_attr *attr, FILE *fp)
614 {
615 	return perf_sample__fprintf_regs(&sample->intr_regs,
616 					 attr->sample_regs_intr, fp);
617 }
618 
619 static int perf_sample__fprintf_uregs(struct perf_sample *sample,
620 				      struct perf_event_attr *attr, FILE *fp)
621 {
622 	return perf_sample__fprintf_regs(&sample->user_regs,
623 					 attr->sample_regs_user, fp);
624 }
625 
626 static int perf_sample__fprintf_start(struct perf_sample *sample,
627 				      struct thread *thread,
628 				      struct evsel *evsel,
629 				      u32 type, FILE *fp)
630 {
631 	struct perf_event_attr *attr = &evsel->core.attr;
632 	unsigned long secs;
633 	unsigned long long nsecs;
634 	int printed = 0;
635 
636 	if (PRINT_FIELD(COMM)) {
637 		if (latency_format)
638 			printed += fprintf(fp, "%8.8s ", thread__comm_str(thread));
639 		else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
640 			printed += fprintf(fp, "%s ", thread__comm_str(thread));
641 		else
642 			printed += fprintf(fp, "%16s ", thread__comm_str(thread));
643 	}
644 
645 	if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
646 		printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid);
647 	else if (PRINT_FIELD(PID))
648 		printed += fprintf(fp, "%5d ", sample->pid);
649 	else if (PRINT_FIELD(TID))
650 		printed += fprintf(fp, "%5d ", sample->tid);
651 
652 	if (PRINT_FIELD(CPU)) {
653 		if (latency_format)
654 			printed += fprintf(fp, "%3d ", sample->cpu);
655 		else
656 			printed += fprintf(fp, "[%03d] ", sample->cpu);
657 	}
658 
659 	if (PRINT_FIELD(MISC)) {
660 		int ret = 0;
661 
662 		#define has(m) \
663 			(sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
664 
665 		if (has(KERNEL))
666 			ret += fprintf(fp, "K");
667 		if (has(USER))
668 			ret += fprintf(fp, "U");
669 		if (has(HYPERVISOR))
670 			ret += fprintf(fp, "H");
671 		if (has(GUEST_KERNEL))
672 			ret += fprintf(fp, "G");
673 		if (has(GUEST_USER))
674 			ret += fprintf(fp, "g");
675 
676 		switch (type) {
677 		case PERF_RECORD_MMAP:
678 		case PERF_RECORD_MMAP2:
679 			if (has(MMAP_DATA))
680 				ret += fprintf(fp, "M");
681 			break;
682 		case PERF_RECORD_COMM:
683 			if (has(COMM_EXEC))
684 				ret += fprintf(fp, "E");
685 			break;
686 		case PERF_RECORD_SWITCH:
687 		case PERF_RECORD_SWITCH_CPU_WIDE:
688 			if (has(SWITCH_OUT)) {
689 				ret += fprintf(fp, "S");
690 				if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
691 					ret += fprintf(fp, "p");
692 			}
693 		default:
694 			break;
695 		}
696 
697 		#undef has
698 
699 		ret += fprintf(fp, "%*s", 6 - ret, " ");
700 		printed += ret;
701 	}
702 
703 	if (PRINT_FIELD(TIME)) {
704 		u64 t = sample->time;
705 		if (reltime) {
706 			if (!initial_time)
707 				initial_time = sample->time;
708 			t = sample->time - initial_time;
709 		} else if (deltatime) {
710 			if (previous_time)
711 				t = sample->time - previous_time;
712 			else {
713 				t = 0;
714 			}
715 			previous_time = sample->time;
716 		}
717 		nsecs = t;
718 		secs = nsecs / NSEC_PER_SEC;
719 		nsecs -= secs * NSEC_PER_SEC;
720 
721 		if (symbol_conf.nanosecs)
722 			printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
723 		else {
724 			char sample_time[32];
725 			timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time));
726 			printed += fprintf(fp, "%12s: ", sample_time);
727 		}
728 	}
729 
730 	return printed;
731 }
732 
733 static inline char
734 mispred_str(struct branch_entry *br)
735 {
736 	if (!(br->flags.mispred  || br->flags.predicted))
737 		return '-';
738 
739 	return br->flags.predicted ? 'P' : 'M';
740 }
741 
742 static int perf_sample__fprintf_brstack(struct perf_sample *sample,
743 					struct thread *thread,
744 					struct perf_event_attr *attr, FILE *fp)
745 {
746 	struct branch_stack *br = sample->branch_stack;
747 	struct branch_entry *entries = perf_sample__branch_entries(sample);
748 	struct addr_location alf, alt;
749 	u64 i, from, to;
750 	int printed = 0;
751 
752 	if (!(br && br->nr))
753 		return 0;
754 
755 	for (i = 0; i < br->nr; i++) {
756 		from = entries[i].from;
757 		to   = entries[i].to;
758 
759 		if (PRINT_FIELD(DSO)) {
760 			memset(&alf, 0, sizeof(alf));
761 			memset(&alt, 0, sizeof(alt));
762 			thread__find_map_fb(thread, sample->cpumode, from, &alf);
763 			thread__find_map_fb(thread, sample->cpumode, to, &alt);
764 		}
765 
766 		printed += fprintf(fp, " 0x%"PRIx64, from);
767 		if (PRINT_FIELD(DSO)) {
768 			printed += fprintf(fp, "(");
769 			printed += map__fprintf_dsoname(alf.map, fp);
770 			printed += fprintf(fp, ")");
771 		}
772 
773 		printed += fprintf(fp, "/0x%"PRIx64, to);
774 		if (PRINT_FIELD(DSO)) {
775 			printed += fprintf(fp, "(");
776 			printed += map__fprintf_dsoname(alt.map, fp);
777 			printed += fprintf(fp, ")");
778 		}
779 
780 		printed += fprintf(fp, "/%c/%c/%c/%d ",
781 			mispred_str(entries + i),
782 			entries[i].flags.in_tx ? 'X' : '-',
783 			entries[i].flags.abort ? 'A' : '-',
784 			entries[i].flags.cycles);
785 	}
786 
787 	return printed;
788 }
789 
790 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
791 					   struct thread *thread,
792 					   struct perf_event_attr *attr, FILE *fp)
793 {
794 	struct branch_stack *br = sample->branch_stack;
795 	struct branch_entry *entries = perf_sample__branch_entries(sample);
796 	struct addr_location alf, alt;
797 	u64 i, from, to;
798 	int printed = 0;
799 
800 	if (!(br && br->nr))
801 		return 0;
802 
803 	for (i = 0; i < br->nr; i++) {
804 
805 		memset(&alf, 0, sizeof(alf));
806 		memset(&alt, 0, sizeof(alt));
807 		from = entries[i].from;
808 		to   = entries[i].to;
809 
810 		thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
811 		thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
812 
813 		printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
814 		if (PRINT_FIELD(DSO)) {
815 			printed += fprintf(fp, "(");
816 			printed += map__fprintf_dsoname(alf.map, fp);
817 			printed += fprintf(fp, ")");
818 		}
819 		printed += fprintf(fp, "%c", '/');
820 		printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
821 		if (PRINT_FIELD(DSO)) {
822 			printed += fprintf(fp, "(");
823 			printed += map__fprintf_dsoname(alt.map, fp);
824 			printed += fprintf(fp, ")");
825 		}
826 		printed += fprintf(fp, "/%c/%c/%c/%d ",
827 			mispred_str(entries + i),
828 			entries[i].flags.in_tx ? 'X' : '-',
829 			entries[i].flags.abort ? 'A' : '-',
830 			entries[i].flags.cycles);
831 	}
832 
833 	return printed;
834 }
835 
836 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
837 					   struct thread *thread,
838 					   struct perf_event_attr *attr, FILE *fp)
839 {
840 	struct branch_stack *br = sample->branch_stack;
841 	struct branch_entry *entries = perf_sample__branch_entries(sample);
842 	struct addr_location alf, alt;
843 	u64 i, from, to;
844 	int printed = 0;
845 
846 	if (!(br && br->nr))
847 		return 0;
848 
849 	for (i = 0; i < br->nr; i++) {
850 
851 		memset(&alf, 0, sizeof(alf));
852 		memset(&alt, 0, sizeof(alt));
853 		from = entries[i].from;
854 		to   = entries[i].to;
855 
856 		if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
857 		    !alf.map->dso->adjust_symbols)
858 			from = map__map_ip(alf.map, from);
859 
860 		if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
861 		    !alt.map->dso->adjust_symbols)
862 			to = map__map_ip(alt.map, to);
863 
864 		printed += fprintf(fp, " 0x%"PRIx64, from);
865 		if (PRINT_FIELD(DSO)) {
866 			printed += fprintf(fp, "(");
867 			printed += map__fprintf_dsoname(alf.map, fp);
868 			printed += fprintf(fp, ")");
869 		}
870 		printed += fprintf(fp, "/0x%"PRIx64, to);
871 		if (PRINT_FIELD(DSO)) {
872 			printed += fprintf(fp, "(");
873 			printed += map__fprintf_dsoname(alt.map, fp);
874 			printed += fprintf(fp, ")");
875 		}
876 		printed += fprintf(fp, "/%c/%c/%c/%d ",
877 			mispred_str(entries + i),
878 			entries[i].flags.in_tx ? 'X' : '-',
879 			entries[i].flags.abort ? 'A' : '-',
880 			entries[i].flags.cycles);
881 	}
882 
883 	return printed;
884 }
885 #define MAXBB 16384UL
886 
887 static int grab_bb(u8 *buffer, u64 start, u64 end,
888 		    struct machine *machine, struct thread *thread,
889 		    bool *is64bit, u8 *cpumode, bool last)
890 {
891 	long offset, len;
892 	struct addr_location al;
893 	bool kernel;
894 
895 	if (!start || !end)
896 		return 0;
897 
898 	kernel = machine__kernel_ip(machine, start);
899 	if (kernel)
900 		*cpumode = PERF_RECORD_MISC_KERNEL;
901 	else
902 		*cpumode = PERF_RECORD_MISC_USER;
903 
904 	/*
905 	 * Block overlaps between kernel and user.
906 	 * This can happen due to ring filtering
907 	 * On Intel CPUs the entry into the kernel is filtered,
908 	 * but the exit is not. Let the caller patch it up.
909 	 */
910 	if (kernel != machine__kernel_ip(machine, end)) {
911 		pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
912 		return -ENXIO;
913 	}
914 
915 	memset(&al, 0, sizeof(al));
916 	if (end - start > MAXBB - MAXINSN) {
917 		if (last)
918 			pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
919 		else
920 			pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
921 		return 0;
922 	}
923 
924 	if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) {
925 		pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
926 		return 0;
927 	}
928 	if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
929 		pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
930 		return 0;
931 	}
932 
933 	/* Load maps to ensure dso->is_64_bit has been updated */
934 	map__load(al.map);
935 
936 	offset = al.map->map_ip(al.map, start);
937 	len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer,
938 				    end - start + MAXINSN);
939 
940 	*is64bit = al.map->dso->is_64_bit;
941 	if (len <= 0)
942 		pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
943 			start, end);
944 	return len;
945 }
946 
947 static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state)
948 {
949 	char *srcfile;
950 	int ret = 0;
951 	unsigned line;
952 	int len;
953 	char *srccode;
954 
955 	if (!map || !map->dso)
956 		return 0;
957 	srcfile = get_srcline_split(map->dso,
958 				    map__rip_2objdump(map, addr),
959 				    &line);
960 	if (!srcfile)
961 		return 0;
962 
963 	/* Avoid redundant printing */
964 	if (state &&
965 	    state->srcfile &&
966 	    !strcmp(state->srcfile, srcfile) &&
967 	    state->line == line) {
968 		free(srcfile);
969 		return 0;
970 	}
971 
972 	srccode = find_sourceline(srcfile, line, &len);
973 	if (!srccode)
974 		goto out_free_line;
975 
976 	ret = fprintf(fp, "|%-8d %.*s", line, len, srccode);
977 
978 	if (state) {
979 		state->srcfile = srcfile;
980 		state->line = line;
981 	}
982 	return ret;
983 
984 out_free_line:
985 	free(srcfile);
986 	return ret;
987 }
988 
989 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr)
990 {
991 	struct addr_location al;
992 	int ret = 0;
993 
994 	memset(&al, 0, sizeof(al));
995 	thread__find_map(thread, cpumode, addr, &al);
996 	if (!al.map)
997 		return 0;
998 	ret = map__fprintf_srccode(al.map, al.addr, stdout,
999 		    &thread->srccode_state);
1000 	if (ret)
1001 		ret += printf("\n");
1002 	return ret;
1003 }
1004 
1005 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
1006 			    struct perf_insn *x, u8 *inbuf, int len,
1007 			    int insn, FILE *fp, int *total_cycles)
1008 {
1009 	int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip,
1010 			      dump_insn(x, ip, inbuf, len, NULL),
1011 			      en->flags.predicted ? " PRED" : "",
1012 			      en->flags.mispred ? " MISPRED" : "",
1013 			      en->flags.in_tx ? " INTX" : "",
1014 			      en->flags.abort ? " ABORT" : "");
1015 	if (en->flags.cycles) {
1016 		*total_cycles += en->flags.cycles;
1017 		printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles);
1018 		if (insn)
1019 			printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
1020 	}
1021 	return printed + fprintf(fp, "\n");
1022 }
1023 
1024 static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
1025 			   u8 cpumode, int cpu, struct symbol **lastsym,
1026 			   struct perf_event_attr *attr, FILE *fp)
1027 {
1028 	struct addr_location al;
1029 	int off, printed = 0;
1030 
1031 	memset(&al, 0, sizeof(al));
1032 
1033 	thread__find_map(thread, cpumode, addr, &al);
1034 
1035 	if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
1036 		return 0;
1037 
1038 	al.cpu = cpu;
1039 	al.sym = NULL;
1040 	if (al.map)
1041 		al.sym = map__find_symbol(al.map, al.addr);
1042 
1043 	if (!al.sym)
1044 		return 0;
1045 
1046 	if (al.addr < al.sym->end)
1047 		off = al.addr - al.sym->start;
1048 	else
1049 		off = al.addr - al.map->start - al.sym->start;
1050 	printed += fprintf(fp, "\t%s", al.sym->name);
1051 	if (off)
1052 		printed += fprintf(fp, "%+d", off);
1053 	printed += fprintf(fp, ":");
1054 	if (PRINT_FIELD(SRCLINE))
1055 		printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
1056 	printed += fprintf(fp, "\n");
1057 	*lastsym = al.sym;
1058 
1059 	return printed;
1060 }
1061 
1062 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
1063 					    struct thread *thread,
1064 					    struct perf_event_attr *attr,
1065 					    struct machine *machine, FILE *fp)
1066 {
1067 	struct branch_stack *br = sample->branch_stack;
1068 	struct branch_entry *entries = perf_sample__branch_entries(sample);
1069 	u64 start, end;
1070 	int i, insn, len, nr, ilen, printed = 0;
1071 	struct perf_insn x;
1072 	u8 buffer[MAXBB];
1073 	unsigned off;
1074 	struct symbol *lastsym = NULL;
1075 	int total_cycles = 0;
1076 
1077 	if (!(br && br->nr))
1078 		return 0;
1079 	nr = br->nr;
1080 	if (max_blocks && nr > max_blocks + 1)
1081 		nr = max_blocks + 1;
1082 
1083 	x.thread = thread;
1084 	x.cpu = sample->cpu;
1085 
1086 	printed += fprintf(fp, "%c", '\n');
1087 
1088 	/* Handle first from jump, of which we don't know the entry. */
1089 	len = grab_bb(buffer, entries[nr-1].from,
1090 			entries[nr-1].from,
1091 			machine, thread, &x.is64bit, &x.cpumode, false);
1092 	if (len > 0) {
1093 		printed += ip__fprintf_sym(entries[nr - 1].from, thread,
1094 					   x.cpumode, x.cpu, &lastsym, attr, fp);
1095 		printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1],
1096 					    &x, buffer, len, 0, fp, &total_cycles);
1097 		if (PRINT_FIELD(SRCCODE))
1098 			printed += print_srccode(thread, x.cpumode, entries[nr - 1].from);
1099 	}
1100 
1101 	/* Print all blocks */
1102 	for (i = nr - 2; i >= 0; i--) {
1103 		if (entries[i].from || entries[i].to)
1104 			pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1105 				 entries[i].from,
1106 				 entries[i].to);
1107 		start = entries[i + 1].to;
1108 		end   = entries[i].from;
1109 
1110 		len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1111 		/* Patch up missing kernel transfers due to ring filters */
1112 		if (len == -ENXIO && i > 0) {
1113 			end = entries[--i].from;
1114 			pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1115 			len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1116 		}
1117 		if (len <= 0)
1118 			continue;
1119 
1120 		insn = 0;
1121 		for (off = 0; off < (unsigned)len; off += ilen) {
1122 			uint64_t ip = start + off;
1123 
1124 			printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1125 			if (ip == end) {
1126 				printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp,
1127 							    &total_cycles);
1128 				if (PRINT_FIELD(SRCCODE))
1129 					printed += print_srccode(thread, x.cpumode, ip);
1130 				break;
1131 			} else {
1132 				ilen = 0;
1133 				printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip,
1134 						   dump_insn(&x, ip, buffer + off, len - off, &ilen));
1135 				if (ilen == 0)
1136 					break;
1137 				if (PRINT_FIELD(SRCCODE))
1138 					print_srccode(thread, x.cpumode, ip);
1139 				insn++;
1140 			}
1141 		}
1142 		if (off != end - start)
1143 			printed += fprintf(fp, "\tmismatch of LBR data and executable\n");
1144 	}
1145 
1146 	/*
1147 	 * Hit the branch? In this case we are already done, and the target
1148 	 * has not been executed yet.
1149 	 */
1150 	if (entries[0].from == sample->ip)
1151 		goto out;
1152 	if (entries[0].flags.abort)
1153 		goto out;
1154 
1155 	/*
1156 	 * Print final block upto sample
1157 	 *
1158 	 * Due to pipeline delays the LBRs might be missing a branch
1159 	 * or two, which can result in very large or negative blocks
1160 	 * between final branch and sample. When this happens just
1161 	 * continue walking after the last TO until we hit a branch.
1162 	 */
1163 	start = entries[0].to;
1164 	end = sample->ip;
1165 	if (end < start) {
1166 		/* Missing jump. Scan 128 bytes for the next branch */
1167 		end = start + 128;
1168 	}
1169 	len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1170 	printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1171 	if (len <= 0) {
1172 		/* Print at least last IP if basic block did not work */
1173 		len = grab_bb(buffer, sample->ip, sample->ip,
1174 			      machine, thread, &x.is64bit, &x.cpumode, false);
1175 		if (len <= 0)
1176 			goto out;
1177 		printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip,
1178 			dump_insn(&x, sample->ip, buffer, len, NULL));
1179 		if (PRINT_FIELD(SRCCODE))
1180 			print_srccode(thread, x.cpumode, sample->ip);
1181 		goto out;
1182 	}
1183 	for (off = 0; off <= end - start; off += ilen) {
1184 		ilen = 0;
1185 		printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off,
1186 				   dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1187 		if (ilen == 0)
1188 			break;
1189 		if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) {
1190 			/*
1191 			 * Hit a missing branch. Just stop.
1192 			 */
1193 			printed += fprintf(fp, "\t... not reaching sample ...\n");
1194 			break;
1195 		}
1196 		if (PRINT_FIELD(SRCCODE))
1197 			print_srccode(thread, x.cpumode, start + off);
1198 	}
1199 out:
1200 	return printed;
1201 }
1202 
1203 static int perf_sample__fprintf_addr(struct perf_sample *sample,
1204 				     struct thread *thread,
1205 				     struct perf_event_attr *attr, FILE *fp)
1206 {
1207 	struct addr_location al;
1208 	int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1209 
1210 	if (!sample_addr_correlates_sym(attr))
1211 		goto out;
1212 
1213 	thread__resolve(thread, &al, sample);
1214 
1215 	if (PRINT_FIELD(SYM)) {
1216 		printed += fprintf(fp, " ");
1217 		if (PRINT_FIELD(SYMOFFSET))
1218 			printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1219 		else
1220 			printed += symbol__fprintf_symname(al.sym, fp);
1221 	}
1222 
1223 	if (PRINT_FIELD(DSO)) {
1224 		printed += fprintf(fp, " (");
1225 		printed += map__fprintf_dsoname(al.map, fp);
1226 		printed += fprintf(fp, ")");
1227 	}
1228 out:
1229 	return printed;
1230 }
1231 
1232 static const char *resolve_branch_sym(struct perf_sample *sample,
1233 				      struct evsel *evsel,
1234 				      struct thread *thread,
1235 				      struct addr_location *al,
1236 				      u64 *ip)
1237 {
1238 	struct addr_location addr_al;
1239 	struct perf_event_attr *attr = &evsel->core.attr;
1240 	const char *name = NULL;
1241 
1242 	if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1243 		if (sample_addr_correlates_sym(attr)) {
1244 			thread__resolve(thread, &addr_al, sample);
1245 			if (addr_al.sym)
1246 				name = addr_al.sym->name;
1247 			else
1248 				*ip = sample->addr;
1249 		} else {
1250 			*ip = sample->addr;
1251 		}
1252 	} else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1253 		if (al->sym)
1254 			name = al->sym->name;
1255 		else
1256 			*ip = sample->ip;
1257 	}
1258 	return name;
1259 }
1260 
1261 static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1262 					   struct evsel *evsel,
1263 					   struct thread *thread,
1264 					   struct addr_location *al, FILE *fp)
1265 {
1266 	struct perf_event_attr *attr = &evsel->core.attr;
1267 	size_t depth = thread_stack__depth(thread, sample->cpu);
1268 	const char *name = NULL;
1269 	static int spacing;
1270 	int len = 0;
1271 	int dlen = 0;
1272 	u64 ip = 0;
1273 
1274 	/*
1275 	 * The 'return' has already been popped off the stack so the depth has
1276 	 * to be adjusted to match the 'call'.
1277 	 */
1278 	if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
1279 		depth += 1;
1280 
1281 	name = resolve_branch_sym(sample, evsel, thread, al, &ip);
1282 
1283 	if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
1284 		dlen += fprintf(fp, "(");
1285 		dlen += map__fprintf_dsoname(al->map, fp);
1286 		dlen += fprintf(fp, ")\t");
1287 	}
1288 
1289 	if (name)
1290 		len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1291 	else if (ip)
1292 		len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1293 
1294 	if (len < 0)
1295 		return len;
1296 
1297 	/*
1298 	 * Try to keep the output length from changing frequently so that the
1299 	 * output lines up more nicely.
1300 	 */
1301 	if (len > spacing || (len && len < spacing - 52))
1302 		spacing = round_up(len + 4, 32);
1303 
1304 	if (len < spacing)
1305 		len += fprintf(fp, "%*s", spacing - len, "");
1306 
1307 	return len + dlen;
1308 }
1309 
1310 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused,
1311 			    struct thread *thread __maybe_unused,
1312 			    struct machine *machine __maybe_unused)
1313 {
1314 }
1315 
1316 static int perf_sample__fprintf_insn(struct perf_sample *sample,
1317 				     struct perf_event_attr *attr,
1318 				     struct thread *thread,
1319 				     struct machine *machine, FILE *fp)
1320 {
1321 	int printed = 0;
1322 
1323 	if (sample->insn_len == 0 && native_arch)
1324 		arch_fetch_insn(sample, thread, machine);
1325 
1326 	if (PRINT_FIELD(INSNLEN))
1327 		printed += fprintf(fp, " ilen: %d", sample->insn_len);
1328 	if (PRINT_FIELD(INSN) && sample->insn_len) {
1329 		int i;
1330 
1331 		printed += fprintf(fp, " insn:");
1332 		for (i = 0; i < sample->insn_len; i++)
1333 			printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
1334 	}
1335 	if (PRINT_FIELD(BRSTACKINSN))
1336 		printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
1337 
1338 	return printed;
1339 }
1340 
1341 static int perf_sample__fprintf_ipc(struct perf_sample *sample,
1342 				    struct perf_event_attr *attr, FILE *fp)
1343 {
1344 	unsigned int ipc;
1345 
1346 	if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt)
1347 		return 0;
1348 
1349 	ipc = (sample->insn_cnt * 100) / sample->cyc_cnt;
1350 
1351 	return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ",
1352 		       ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt);
1353 }
1354 
1355 static int perf_sample__fprintf_bts(struct perf_sample *sample,
1356 				    struct evsel *evsel,
1357 				    struct thread *thread,
1358 				    struct addr_location *al,
1359 				    struct machine *machine, FILE *fp)
1360 {
1361 	struct perf_event_attr *attr = &evsel->core.attr;
1362 	unsigned int type = output_type(attr->type);
1363 	bool print_srcline_last = false;
1364 	int printed = 0;
1365 
1366 	if (PRINT_FIELD(CALLINDENT))
1367 		printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp);
1368 
1369 	/* print branch_from information */
1370 	if (PRINT_FIELD(IP)) {
1371 		unsigned int print_opts = output[type].print_ip_opts;
1372 		struct callchain_cursor *cursor = NULL;
1373 
1374 		if (symbol_conf.use_callchain && sample->callchain &&
1375 		    thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1376 					      sample, NULL, NULL, scripting_max_stack) == 0)
1377 			cursor = &callchain_cursor;
1378 
1379 		if (cursor == NULL) {
1380 			printed += fprintf(fp, " ");
1381 			if (print_opts & EVSEL__PRINT_SRCLINE) {
1382 				print_srcline_last = true;
1383 				print_opts &= ~EVSEL__PRINT_SRCLINE;
1384 			}
1385 		} else
1386 			printed += fprintf(fp, "\n");
1387 
1388 		printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor,
1389 					       symbol_conf.bt_stop_list, fp);
1390 	}
1391 
1392 	/* print branch_to information */
1393 	if (PRINT_FIELD(ADDR) ||
1394 	    ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
1395 	     !output[type].user_set)) {
1396 		printed += fprintf(fp, " => ");
1397 		printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1398 	}
1399 
1400 	printed += perf_sample__fprintf_ipc(sample, attr, fp);
1401 
1402 	if (print_srcline_last)
1403 		printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
1404 
1405 	printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1406 	printed += fprintf(fp, "\n");
1407 	if (PRINT_FIELD(SRCCODE)) {
1408 		int ret = map__fprintf_srccode(al->map, al->addr, stdout,
1409 					 &thread->srccode_state);
1410 		if (ret) {
1411 			printed += ret;
1412 			printed += printf("\n");
1413 		}
1414 	}
1415 	return printed;
1416 }
1417 
1418 static struct {
1419 	u32 flags;
1420 	const char *name;
1421 } sample_flags[] = {
1422 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1423 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1424 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1425 	{PERF_IP_FLAG_BRANCH, "jmp"},
1426 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1427 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1428 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1429 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1430 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1431 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC |	PERF_IP_FLAG_INTERRUPT, "hw int"},
1432 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1433 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1434 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1435 	{0, NULL}
1436 };
1437 
1438 static const char *sample_flags_to_name(u32 flags)
1439 {
1440 	int i;
1441 
1442 	for (i = 0; sample_flags[i].name ; i++) {
1443 		if (sample_flags[i].flags == flags)
1444 			return sample_flags[i].name;
1445 	}
1446 
1447 	return NULL;
1448 }
1449 
1450 static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1451 {
1452 	const char *chars = PERF_IP_FLAG_CHARS;
1453 	const int n = strlen(PERF_IP_FLAG_CHARS);
1454 	bool in_tx = flags & PERF_IP_FLAG_IN_TX;
1455 	const char *name = NULL;
1456 	char str[33];
1457 	int i, pos = 0;
1458 
1459 	name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX);
1460 	if (name)
1461 		return fprintf(fp, "  %-15s%4s ", name, in_tx ? "(x)" : "");
1462 
1463 	if (flags & PERF_IP_FLAG_TRACE_BEGIN) {
1464 		name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN));
1465 		if (name)
1466 			return fprintf(fp, "  tr strt %-7s%4s ", name, in_tx ? "(x)" : "");
1467 	}
1468 
1469 	if (flags & PERF_IP_FLAG_TRACE_END) {
1470 		name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END));
1471 		if (name)
1472 			return fprintf(fp, "  tr end  %-7s%4s ", name, in_tx ? "(x)" : "");
1473 	}
1474 
1475 	for (i = 0; i < n; i++, flags >>= 1) {
1476 		if (flags & 1)
1477 			str[pos++] = chars[i];
1478 	}
1479 	for (; i < 32; i++, flags >>= 1) {
1480 		if (flags & 1)
1481 			str[pos++] = '?';
1482 	}
1483 	str[pos] = 0;
1484 
1485 	return fprintf(fp, "  %-19s ", str);
1486 }
1487 
1488 struct printer_data {
1489 	int line_no;
1490 	bool hit_nul;
1491 	bool is_printable;
1492 };
1493 
1494 static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1495 				      unsigned int val,
1496 				      void *extra, FILE *fp)
1497 {
1498 	unsigned char ch = (unsigned char)val;
1499 	struct printer_data *printer_data = extra;
1500 	int printed = 0;
1501 
1502 	switch (op) {
1503 	case BINARY_PRINT_DATA_BEGIN:
1504 		printed += fprintf(fp, "\n");
1505 		break;
1506 	case BINARY_PRINT_LINE_BEGIN:
1507 		printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1508 						        "           ");
1509 		break;
1510 	case BINARY_PRINT_ADDR:
1511 		printed += fprintf(fp, " %04x:", val);
1512 		break;
1513 	case BINARY_PRINT_NUM_DATA:
1514 		printed += fprintf(fp, " %02x", val);
1515 		break;
1516 	case BINARY_PRINT_NUM_PAD:
1517 		printed += fprintf(fp, "   ");
1518 		break;
1519 	case BINARY_PRINT_SEP:
1520 		printed += fprintf(fp, "  ");
1521 		break;
1522 	case BINARY_PRINT_CHAR_DATA:
1523 		if (printer_data->hit_nul && ch)
1524 			printer_data->is_printable = false;
1525 
1526 		if (!isprint(ch)) {
1527 			printed += fprintf(fp, "%c", '.');
1528 
1529 			if (!printer_data->is_printable)
1530 				break;
1531 
1532 			if (ch == '\0')
1533 				printer_data->hit_nul = true;
1534 			else
1535 				printer_data->is_printable = false;
1536 		} else {
1537 			printed += fprintf(fp, "%c", ch);
1538 		}
1539 		break;
1540 	case BINARY_PRINT_CHAR_PAD:
1541 		printed += fprintf(fp, " ");
1542 		break;
1543 	case BINARY_PRINT_LINE_END:
1544 		printed += fprintf(fp, "\n");
1545 		printer_data->line_no++;
1546 		break;
1547 	case BINARY_PRINT_DATA_END:
1548 	default:
1549 		break;
1550 	}
1551 
1552 	return printed;
1553 }
1554 
1555 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1556 {
1557 	unsigned int nr_bytes = sample->raw_size;
1558 	struct printer_data printer_data = {0, false, true};
1559 	int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1560 				      sample__fprintf_bpf_output, &printer_data, fp);
1561 
1562 	if (printer_data.is_printable && printer_data.hit_nul)
1563 		printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1564 
1565 	return printed;
1566 }
1567 
1568 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1569 {
1570 	if (len > 0 && len < spacing)
1571 		return fprintf(fp, "%*s", spacing - len, "");
1572 
1573 	return 0;
1574 }
1575 
1576 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1577 {
1578 	return perf_sample__fprintf_spacing(len, 34, fp);
1579 }
1580 
1581 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1582 {
1583 	struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1584 	int len;
1585 
1586 	if (perf_sample__bad_synth_size(sample, *data))
1587 		return 0;
1588 
1589 	len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ",
1590 		     data->ip, le64_to_cpu(data->payload));
1591 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1592 }
1593 
1594 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1595 {
1596 	struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1597 	int len;
1598 
1599 	if (perf_sample__bad_synth_size(sample, *data))
1600 		return 0;
1601 
1602 	len = fprintf(fp, " hints: %#x extensions: %#x ",
1603 		      data->hints, data->extensions);
1604 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1605 }
1606 
1607 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1608 {
1609 	struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1610 	int len;
1611 
1612 	if (perf_sample__bad_synth_size(sample, *data))
1613 		return 0;
1614 
1615 	len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1616 		      data->hw, data->cstate, data->subcstate);
1617 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1618 }
1619 
1620 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1621 {
1622 	struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1623 	int len;
1624 
1625 	if (perf_sample__bad_synth_size(sample, *data))
1626 		return 0;
1627 
1628 	len = fprintf(fp, " IP: %u ", data->ip);
1629 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1630 }
1631 
1632 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1633 {
1634 	struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1635 	int len;
1636 
1637 	if (perf_sample__bad_synth_size(sample, *data))
1638 		return 0;
1639 
1640 	len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1641 		     data->deepest_cstate, data->last_cstate,
1642 		     data->wake_reason);
1643 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1644 }
1645 
1646 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1647 {
1648 	struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1649 	unsigned int percent, freq;
1650 	int len;
1651 
1652 	if (perf_sample__bad_synth_size(sample, *data))
1653 		return 0;
1654 
1655 	freq = (le32_to_cpu(data->freq) + 500) / 1000;
1656 	len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1657 	if (data->max_nonturbo) {
1658 		percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1659 		len += fprintf(fp, "(%3u%%) ", percent);
1660 	}
1661 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1662 }
1663 
1664 static int perf_sample__fprintf_synth(struct perf_sample *sample,
1665 				      struct evsel *evsel, FILE *fp)
1666 {
1667 	switch (evsel->core.attr.config) {
1668 	case PERF_SYNTH_INTEL_PTWRITE:
1669 		return perf_sample__fprintf_synth_ptwrite(sample, fp);
1670 	case PERF_SYNTH_INTEL_MWAIT:
1671 		return perf_sample__fprintf_synth_mwait(sample, fp);
1672 	case PERF_SYNTH_INTEL_PWRE:
1673 		return perf_sample__fprintf_synth_pwre(sample, fp);
1674 	case PERF_SYNTH_INTEL_EXSTOP:
1675 		return perf_sample__fprintf_synth_exstop(sample, fp);
1676 	case PERF_SYNTH_INTEL_PWRX:
1677 		return perf_sample__fprintf_synth_pwrx(sample, fp);
1678 	case PERF_SYNTH_INTEL_CBR:
1679 		return perf_sample__fprintf_synth_cbr(sample, fp);
1680 	default:
1681 		break;
1682 	}
1683 
1684 	return 0;
1685 }
1686 
1687 struct perf_script {
1688 	struct perf_tool	tool;
1689 	struct perf_session	*session;
1690 	bool			show_task_events;
1691 	bool			show_mmap_events;
1692 	bool			show_switch_events;
1693 	bool			show_namespace_events;
1694 	bool			show_lost_events;
1695 	bool			show_round_events;
1696 	bool			show_bpf_events;
1697 	bool			show_cgroup_events;
1698 	bool			allocated;
1699 	bool			per_event_dump;
1700 	struct evswitch		evswitch;
1701 	struct perf_cpu_map	*cpus;
1702 	struct perf_thread_map *threads;
1703 	int			name_width;
1704 	const char              *time_str;
1705 	struct perf_time_interval *ptime_range;
1706 	int			range_size;
1707 	int			range_num;
1708 };
1709 
1710 static int perf_evlist__max_name_len(struct evlist *evlist)
1711 {
1712 	struct evsel *evsel;
1713 	int max = 0;
1714 
1715 	evlist__for_each_entry(evlist, evsel) {
1716 		int len = strlen(perf_evsel__name(evsel));
1717 
1718 		max = MAX(len, max);
1719 	}
1720 
1721 	return max;
1722 }
1723 
1724 static int data_src__fprintf(u64 data_src, FILE *fp)
1725 {
1726 	struct mem_info mi = { .data_src.val = data_src };
1727 	char decode[100];
1728 	char out[100];
1729 	static int maxlen;
1730 	int len;
1731 
1732 	perf_script__meminfo_scnprintf(decode, 100, &mi);
1733 
1734 	len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
1735 	if (maxlen < len)
1736 		maxlen = len;
1737 
1738 	return fprintf(fp, "%-*s", maxlen, out);
1739 }
1740 
1741 struct metric_ctx {
1742 	struct perf_sample	*sample;
1743 	struct thread		*thread;
1744 	struct evsel	*evsel;
1745 	FILE 			*fp;
1746 };
1747 
1748 static void script_print_metric(struct perf_stat_config *config __maybe_unused,
1749 				void *ctx, const char *color,
1750 			        const char *fmt,
1751 			        const char *unit, double val)
1752 {
1753 	struct metric_ctx *mctx = ctx;
1754 
1755 	if (!fmt)
1756 		return;
1757 	perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
1758 				   PERF_RECORD_SAMPLE, mctx->fp);
1759 	fputs("\tmetric: ", mctx->fp);
1760 	if (color)
1761 		color_fprintf(mctx->fp, color, fmt, val);
1762 	else
1763 		printf(fmt, val);
1764 	fprintf(mctx->fp, " %s\n", unit);
1765 }
1766 
1767 static void script_new_line(struct perf_stat_config *config __maybe_unused,
1768 			    void *ctx)
1769 {
1770 	struct metric_ctx *mctx = ctx;
1771 
1772 	perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
1773 				   PERF_RECORD_SAMPLE, mctx->fp);
1774 	fputs("\tmetric: ", mctx->fp);
1775 }
1776 
1777 static void perf_sample__fprint_metric(struct perf_script *script,
1778 				       struct thread *thread,
1779 				       struct evsel *evsel,
1780 				       struct perf_sample *sample,
1781 				       FILE *fp)
1782 {
1783 	struct perf_stat_output_ctx ctx = {
1784 		.print_metric = script_print_metric,
1785 		.new_line = script_new_line,
1786 		.ctx = &(struct metric_ctx) {
1787 				.sample = sample,
1788 				.thread = thread,
1789 				.evsel  = evsel,
1790 				.fp     = fp,
1791 			 },
1792 		.force_header = false,
1793 	};
1794 	struct evsel *ev2;
1795 	u64 val;
1796 
1797 	if (!evsel->stats)
1798 		perf_evlist__alloc_stats(script->session->evlist, false);
1799 	if (evsel_script(evsel->leader)->gnum++ == 0)
1800 		perf_stat__reset_shadow_stats();
1801 	val = sample->period * evsel->scale;
1802 	perf_stat__update_shadow_stats(evsel,
1803 				       val,
1804 				       sample->cpu,
1805 				       &rt_stat);
1806 	evsel_script(evsel)->val = val;
1807 	if (evsel_script(evsel->leader)->gnum == evsel->leader->core.nr_members) {
1808 		for_each_group_member (ev2, evsel->leader) {
1809 			perf_stat__print_shadow_stats(&stat_config, ev2,
1810 						      evsel_script(ev2)->val,
1811 						      sample->cpu,
1812 						      &ctx,
1813 						      NULL,
1814 						      &rt_stat);
1815 		}
1816 		evsel_script(evsel->leader)->gnum = 0;
1817 	}
1818 }
1819 
1820 static bool show_event(struct perf_sample *sample,
1821 		       struct evsel *evsel,
1822 		       struct thread *thread,
1823 		       struct addr_location *al)
1824 {
1825 	int depth = thread_stack__depth(thread, sample->cpu);
1826 
1827 	if (!symbol_conf.graph_function)
1828 		return true;
1829 
1830 	if (thread->filter) {
1831 		if (depth <= thread->filter_entry_depth) {
1832 			thread->filter = false;
1833 			return false;
1834 		}
1835 		return true;
1836 	} else {
1837 		const char *s = symbol_conf.graph_function;
1838 		u64 ip;
1839 		const char *name = resolve_branch_sym(sample, evsel, thread, al,
1840 				&ip);
1841 		unsigned nlen;
1842 
1843 		if (!name)
1844 			return false;
1845 		nlen = strlen(name);
1846 		while (*s) {
1847 			unsigned len = strcspn(s, ",");
1848 			if (nlen == len && !strncmp(name, s, len)) {
1849 				thread->filter = true;
1850 				thread->filter_entry_depth = depth;
1851 				return true;
1852 			}
1853 			s += len;
1854 			if (*s == ',')
1855 				s++;
1856 		}
1857 		return false;
1858 	}
1859 }
1860 
1861 static void process_event(struct perf_script *script,
1862 			  struct perf_sample *sample, struct evsel *evsel,
1863 			  struct addr_location *al,
1864 			  struct machine *machine)
1865 {
1866 	struct thread *thread = al->thread;
1867 	struct perf_event_attr *attr = &evsel->core.attr;
1868 	unsigned int type = output_type(attr->type);
1869 	struct evsel_script *es = evsel->priv;
1870 	FILE *fp = es->fp;
1871 
1872 	if (output[type].fields == 0)
1873 		return;
1874 
1875 	if (!show_event(sample, evsel, thread, al))
1876 		return;
1877 
1878 	if (evswitch__discard(&script->evswitch, evsel))
1879 		return;
1880 
1881 	++es->samples;
1882 
1883 	perf_sample__fprintf_start(sample, thread, evsel,
1884 				   PERF_RECORD_SAMPLE, fp);
1885 
1886 	if (PRINT_FIELD(PERIOD))
1887 		fprintf(fp, "%10" PRIu64 " ", sample->period);
1888 
1889 	if (PRINT_FIELD(EVNAME)) {
1890 		const char *evname = perf_evsel__name(evsel);
1891 
1892 		if (!script->name_width)
1893 			script->name_width = perf_evlist__max_name_len(script->session->evlist);
1894 
1895 		fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
1896 	}
1897 
1898 	if (print_flags)
1899 		perf_sample__fprintf_flags(sample->flags, fp);
1900 
1901 	if (is_bts_event(attr)) {
1902 		perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp);
1903 		return;
1904 	}
1905 
1906 	if (PRINT_FIELD(TRACE) && sample->raw_data) {
1907 		event_format__fprintf(evsel->tp_format, sample->cpu,
1908 				      sample->raw_data, sample->raw_size, fp);
1909 	}
1910 
1911 	if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
1912 		perf_sample__fprintf_synth(sample, evsel, fp);
1913 
1914 	if (PRINT_FIELD(ADDR))
1915 		perf_sample__fprintf_addr(sample, thread, attr, fp);
1916 
1917 	if (PRINT_FIELD(DATA_SRC))
1918 		data_src__fprintf(sample->data_src, fp);
1919 
1920 	if (PRINT_FIELD(WEIGHT))
1921 		fprintf(fp, "%16" PRIu64, sample->weight);
1922 
1923 	if (PRINT_FIELD(IP)) {
1924 		struct callchain_cursor *cursor = NULL;
1925 
1926 		if (symbol_conf.use_callchain && sample->callchain &&
1927 		    thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1928 					      sample, NULL, NULL, scripting_max_stack) == 0)
1929 			cursor = &callchain_cursor;
1930 
1931 		fputc(cursor ? '\n' : ' ', fp);
1932 		sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor,
1933 				    symbol_conf.bt_stop_list, fp);
1934 	}
1935 
1936 	if (PRINT_FIELD(IREGS))
1937 		perf_sample__fprintf_iregs(sample, attr, fp);
1938 
1939 	if (PRINT_FIELD(UREGS))
1940 		perf_sample__fprintf_uregs(sample, attr, fp);
1941 
1942 	if (PRINT_FIELD(BRSTACK))
1943 		perf_sample__fprintf_brstack(sample, thread, attr, fp);
1944 	else if (PRINT_FIELD(BRSTACKSYM))
1945 		perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
1946 	else if (PRINT_FIELD(BRSTACKOFF))
1947 		perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
1948 
1949 	if (perf_evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
1950 		perf_sample__fprintf_bpf_output(sample, fp);
1951 	perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1952 
1953 	if (PRINT_FIELD(PHYS_ADDR))
1954 		fprintf(fp, "%16" PRIx64, sample->phys_addr);
1955 
1956 	perf_sample__fprintf_ipc(sample, attr, fp);
1957 
1958 	fprintf(fp, "\n");
1959 
1960 	if (PRINT_FIELD(SRCCODE)) {
1961 		if (map__fprintf_srccode(al->map, al->addr, stdout,
1962 					 &thread->srccode_state))
1963 			printf("\n");
1964 	}
1965 
1966 	if (PRINT_FIELD(METRIC))
1967 		perf_sample__fprint_metric(script, thread, evsel, sample, fp);
1968 
1969 	if (verbose)
1970 		fflush(fp);
1971 }
1972 
1973 static struct scripting_ops	*scripting_ops;
1974 
1975 static void __process_stat(struct evsel *counter, u64 tstamp)
1976 {
1977 	int nthreads = perf_thread_map__nr(counter->core.threads);
1978 	int ncpus = perf_evsel__nr_cpus(counter);
1979 	int cpu, thread;
1980 	static int header_printed;
1981 
1982 	if (counter->core.system_wide)
1983 		nthreads = 1;
1984 
1985 	if (!header_printed) {
1986 		printf("%3s %8s %15s %15s %15s %15s %s\n",
1987 		       "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
1988 		header_printed = 1;
1989 	}
1990 
1991 	for (thread = 0; thread < nthreads; thread++) {
1992 		for (cpu = 0; cpu < ncpus; cpu++) {
1993 			struct perf_counts_values *counts;
1994 
1995 			counts = perf_counts(counter->counts, cpu, thread);
1996 
1997 			printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
1998 				counter->core.cpus->map[cpu],
1999 				perf_thread_map__pid(counter->core.threads, thread),
2000 				counts->val,
2001 				counts->ena,
2002 				counts->run,
2003 				tstamp,
2004 				perf_evsel__name(counter));
2005 		}
2006 	}
2007 }
2008 
2009 static void process_stat(struct evsel *counter, u64 tstamp)
2010 {
2011 	if (scripting_ops && scripting_ops->process_stat)
2012 		scripting_ops->process_stat(&stat_config, counter, tstamp);
2013 	else
2014 		__process_stat(counter, tstamp);
2015 }
2016 
2017 static void process_stat_interval(u64 tstamp)
2018 {
2019 	if (scripting_ops && scripting_ops->process_stat_interval)
2020 		scripting_ops->process_stat_interval(tstamp);
2021 }
2022 
2023 static void setup_scripting(void)
2024 {
2025 	setup_perl_scripting();
2026 	setup_python_scripting();
2027 }
2028 
2029 static int flush_scripting(void)
2030 {
2031 	return scripting_ops ? scripting_ops->flush_script() : 0;
2032 }
2033 
2034 static int cleanup_scripting(void)
2035 {
2036 	pr_debug("\nperf script stopped\n");
2037 
2038 	return scripting_ops ? scripting_ops->stop_script() : 0;
2039 }
2040 
2041 static bool filter_cpu(struct perf_sample *sample)
2042 {
2043 	if (cpu_list)
2044 		return !test_bit(sample->cpu, cpu_bitmap);
2045 	return false;
2046 }
2047 
2048 static int process_sample_event(struct perf_tool *tool,
2049 				union perf_event *event,
2050 				struct perf_sample *sample,
2051 				struct evsel *evsel,
2052 				struct machine *machine)
2053 {
2054 	struct perf_script *scr = container_of(tool, struct perf_script, tool);
2055 	struct addr_location al;
2056 
2057 	if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
2058 					  sample->time)) {
2059 		return 0;
2060 	}
2061 
2062 	if (debug_mode) {
2063 		if (sample->time < last_timestamp) {
2064 			pr_err("Samples misordered, previous: %" PRIu64
2065 				" this: %" PRIu64 "\n", last_timestamp,
2066 				sample->time);
2067 			nr_unordered++;
2068 		}
2069 		last_timestamp = sample->time;
2070 		return 0;
2071 	}
2072 
2073 	if (machine__resolve(machine, &al, sample) < 0) {
2074 		pr_err("problem processing %d event, skipping it.\n",
2075 		       event->header.type);
2076 		return -1;
2077 	}
2078 
2079 	if (al.filtered)
2080 		goto out_put;
2081 
2082 	if (filter_cpu(sample))
2083 		goto out_put;
2084 
2085 	if (scripting_ops)
2086 		scripting_ops->process_event(event, sample, evsel, &al);
2087 	else
2088 		process_event(scr, sample, evsel, &al, machine);
2089 
2090 out_put:
2091 	addr_location__put(&al);
2092 	return 0;
2093 }
2094 
2095 static int process_attr(struct perf_tool *tool, union perf_event *event,
2096 			struct evlist **pevlist)
2097 {
2098 	struct perf_script *scr = container_of(tool, struct perf_script, tool);
2099 	struct evlist *evlist;
2100 	struct evsel *evsel, *pos;
2101 	int err;
2102 	static struct evsel_script *es;
2103 
2104 	err = perf_event__process_attr(tool, event, pevlist);
2105 	if (err)
2106 		return err;
2107 
2108 	evlist = *pevlist;
2109 	evsel = evlist__last(*pevlist);
2110 
2111 	if (!evsel->priv) {
2112 		if (scr->per_event_dump) {
2113 			evsel->priv = perf_evsel_script__new(evsel,
2114 						scr->session->data);
2115 		} else {
2116 			es = zalloc(sizeof(*es));
2117 			if (!es)
2118 				return -ENOMEM;
2119 			es->fp = stdout;
2120 			evsel->priv = es;
2121 		}
2122 	}
2123 
2124 	if (evsel->core.attr.type >= PERF_TYPE_MAX &&
2125 	    evsel->core.attr.type != PERF_TYPE_SYNTH)
2126 		return 0;
2127 
2128 	evlist__for_each_entry(evlist, pos) {
2129 		if (pos->core.attr.type == evsel->core.attr.type && pos != evsel)
2130 			return 0;
2131 	}
2132 
2133 	set_print_ip_opts(&evsel->core.attr);
2134 
2135 	if (evsel->core.attr.sample_type)
2136 		err = perf_evsel__check_attr(evsel, scr->session);
2137 
2138 	return err;
2139 }
2140 
2141 static int process_comm_event(struct perf_tool *tool,
2142 			      union perf_event *event,
2143 			      struct perf_sample *sample,
2144 			      struct machine *machine)
2145 {
2146 	struct thread *thread;
2147 	struct perf_script *script = container_of(tool, struct perf_script, tool);
2148 	struct perf_session *session = script->session;
2149 	struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2150 	int ret = -1;
2151 
2152 	thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid);
2153 	if (thread == NULL) {
2154 		pr_debug("problem processing COMM event, skipping it.\n");
2155 		return -1;
2156 	}
2157 
2158 	if (perf_event__process_comm(tool, event, sample, machine) < 0)
2159 		goto out;
2160 
2161 	if (!evsel->core.attr.sample_id_all) {
2162 		sample->cpu = 0;
2163 		sample->time = 0;
2164 		sample->tid = event->comm.tid;
2165 		sample->pid = event->comm.pid;
2166 	}
2167 	if (!filter_cpu(sample)) {
2168 		perf_sample__fprintf_start(sample, thread, evsel,
2169 				   PERF_RECORD_COMM, stdout);
2170 		perf_event__fprintf(event, stdout);
2171 	}
2172 	ret = 0;
2173 out:
2174 	thread__put(thread);
2175 	return ret;
2176 }
2177 
2178 static int process_namespaces_event(struct perf_tool *tool,
2179 				    union perf_event *event,
2180 				    struct perf_sample *sample,
2181 				    struct machine *machine)
2182 {
2183 	struct thread *thread;
2184 	struct perf_script *script = container_of(tool, struct perf_script, tool);
2185 	struct perf_session *session = script->session;
2186 	struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2187 	int ret = -1;
2188 
2189 	thread = machine__findnew_thread(machine, event->namespaces.pid,
2190 					 event->namespaces.tid);
2191 	if (thread == NULL) {
2192 		pr_debug("problem processing NAMESPACES event, skipping it.\n");
2193 		return -1;
2194 	}
2195 
2196 	if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
2197 		goto out;
2198 
2199 	if (!evsel->core.attr.sample_id_all) {
2200 		sample->cpu = 0;
2201 		sample->time = 0;
2202 		sample->tid = event->namespaces.tid;
2203 		sample->pid = event->namespaces.pid;
2204 	}
2205 	if (!filter_cpu(sample)) {
2206 		perf_sample__fprintf_start(sample, thread, evsel,
2207 					   PERF_RECORD_NAMESPACES, stdout);
2208 		perf_event__fprintf(event, stdout);
2209 	}
2210 	ret = 0;
2211 out:
2212 	thread__put(thread);
2213 	return ret;
2214 }
2215 
2216 static int process_cgroup_event(struct perf_tool *tool,
2217 				union perf_event *event,
2218 				struct perf_sample *sample,
2219 				struct machine *machine)
2220 {
2221 	struct thread *thread;
2222 	struct perf_script *script = container_of(tool, struct perf_script, tool);
2223 	struct perf_session *session = script->session;
2224 	struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2225 	int ret = -1;
2226 
2227 	thread = machine__findnew_thread(machine, sample->pid, sample->tid);
2228 	if (thread == NULL) {
2229 		pr_debug("problem processing CGROUP event, skipping it.\n");
2230 		return -1;
2231 	}
2232 
2233 	if (perf_event__process_cgroup(tool, event, sample, machine) < 0)
2234 		goto out;
2235 
2236 	if (!evsel->core.attr.sample_id_all) {
2237 		sample->cpu = 0;
2238 		sample->time = 0;
2239 	}
2240 	if (!filter_cpu(sample)) {
2241 		perf_sample__fprintf_start(sample, thread, evsel,
2242 					   PERF_RECORD_CGROUP, stdout);
2243 		perf_event__fprintf(event, stdout);
2244 	}
2245 	ret = 0;
2246 out:
2247 	thread__put(thread);
2248 	return ret;
2249 }
2250 
2251 static int process_fork_event(struct perf_tool *tool,
2252 			      union perf_event *event,
2253 			      struct perf_sample *sample,
2254 			      struct machine *machine)
2255 {
2256 	struct thread *thread;
2257 	struct perf_script *script = container_of(tool, struct perf_script, tool);
2258 	struct perf_session *session = script->session;
2259 	struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2260 
2261 	if (perf_event__process_fork(tool, event, sample, machine) < 0)
2262 		return -1;
2263 
2264 	thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
2265 	if (thread == NULL) {
2266 		pr_debug("problem processing FORK event, skipping it.\n");
2267 		return -1;
2268 	}
2269 
2270 	if (!evsel->core.attr.sample_id_all) {
2271 		sample->cpu = 0;
2272 		sample->time = event->fork.time;
2273 		sample->tid = event->fork.tid;
2274 		sample->pid = event->fork.pid;
2275 	}
2276 	if (!filter_cpu(sample)) {
2277 		perf_sample__fprintf_start(sample, thread, evsel,
2278 					   PERF_RECORD_FORK, stdout);
2279 		perf_event__fprintf(event, stdout);
2280 	}
2281 	thread__put(thread);
2282 
2283 	return 0;
2284 }
2285 static int process_exit_event(struct perf_tool *tool,
2286 			      union perf_event *event,
2287 			      struct perf_sample *sample,
2288 			      struct machine *machine)
2289 {
2290 	int err = 0;
2291 	struct thread *thread;
2292 	struct perf_script *script = container_of(tool, struct perf_script, tool);
2293 	struct perf_session *session = script->session;
2294 	struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2295 
2296 	thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
2297 	if (thread == NULL) {
2298 		pr_debug("problem processing EXIT event, skipping it.\n");
2299 		return -1;
2300 	}
2301 
2302 	if (!evsel->core.attr.sample_id_all) {
2303 		sample->cpu = 0;
2304 		sample->time = 0;
2305 		sample->tid = event->fork.tid;
2306 		sample->pid = event->fork.pid;
2307 	}
2308 	if (!filter_cpu(sample)) {
2309 		perf_sample__fprintf_start(sample, thread, evsel,
2310 					   PERF_RECORD_EXIT, stdout);
2311 		perf_event__fprintf(event, stdout);
2312 	}
2313 
2314 	if (perf_event__process_exit(tool, event, sample, machine) < 0)
2315 		err = -1;
2316 
2317 	thread__put(thread);
2318 	return err;
2319 }
2320 
2321 static int process_mmap_event(struct perf_tool *tool,
2322 			      union perf_event *event,
2323 			      struct perf_sample *sample,
2324 			      struct machine *machine)
2325 {
2326 	struct thread *thread;
2327 	struct perf_script *script = container_of(tool, struct perf_script, tool);
2328 	struct perf_session *session = script->session;
2329 	struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2330 
2331 	if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2332 		return -1;
2333 
2334 	thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid);
2335 	if (thread == NULL) {
2336 		pr_debug("problem processing MMAP event, skipping it.\n");
2337 		return -1;
2338 	}
2339 
2340 	if (!evsel->core.attr.sample_id_all) {
2341 		sample->cpu = 0;
2342 		sample->time = 0;
2343 		sample->tid = event->mmap.tid;
2344 		sample->pid = event->mmap.pid;
2345 	}
2346 	if (!filter_cpu(sample)) {
2347 		perf_sample__fprintf_start(sample, thread, evsel,
2348 					   PERF_RECORD_MMAP, stdout);
2349 		perf_event__fprintf(event, stdout);
2350 	}
2351 	thread__put(thread);
2352 	return 0;
2353 }
2354 
2355 static int process_mmap2_event(struct perf_tool *tool,
2356 			      union perf_event *event,
2357 			      struct perf_sample *sample,
2358 			      struct machine *machine)
2359 {
2360 	struct thread *thread;
2361 	struct perf_script *script = container_of(tool, struct perf_script, tool);
2362 	struct perf_session *session = script->session;
2363 	struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2364 
2365 	if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2366 		return -1;
2367 
2368 	thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid);
2369 	if (thread == NULL) {
2370 		pr_debug("problem processing MMAP2 event, skipping it.\n");
2371 		return -1;
2372 	}
2373 
2374 	if (!evsel->core.attr.sample_id_all) {
2375 		sample->cpu = 0;
2376 		sample->time = 0;
2377 		sample->tid = event->mmap2.tid;
2378 		sample->pid = event->mmap2.pid;
2379 	}
2380 	if (!filter_cpu(sample)) {
2381 		perf_sample__fprintf_start(sample, thread, evsel,
2382 					   PERF_RECORD_MMAP2, stdout);
2383 		perf_event__fprintf(event, stdout);
2384 	}
2385 	thread__put(thread);
2386 	return 0;
2387 }
2388 
2389 static int process_switch_event(struct perf_tool *tool,
2390 				union perf_event *event,
2391 				struct perf_sample *sample,
2392 				struct machine *machine)
2393 {
2394 	struct thread *thread;
2395 	struct perf_script *script = container_of(tool, struct perf_script, tool);
2396 	struct perf_session *session = script->session;
2397 	struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2398 
2399 	if (perf_event__process_switch(tool, event, sample, machine) < 0)
2400 		return -1;
2401 
2402 	if (scripting_ops && scripting_ops->process_switch)
2403 		scripting_ops->process_switch(event, sample, machine);
2404 
2405 	if (!script->show_switch_events)
2406 		return 0;
2407 
2408 	thread = machine__findnew_thread(machine, sample->pid,
2409 					 sample->tid);
2410 	if (thread == NULL) {
2411 		pr_debug("problem processing SWITCH event, skipping it.\n");
2412 		return -1;
2413 	}
2414 
2415 	if (!filter_cpu(sample)) {
2416 		perf_sample__fprintf_start(sample, thread, evsel,
2417 					   PERF_RECORD_SWITCH, stdout);
2418 		perf_event__fprintf(event, stdout);
2419 	}
2420 	thread__put(thread);
2421 	return 0;
2422 }
2423 
2424 static int
2425 process_lost_event(struct perf_tool *tool,
2426 		   union perf_event *event,
2427 		   struct perf_sample *sample,
2428 		   struct machine *machine)
2429 {
2430 	struct perf_script *script = container_of(tool, struct perf_script, tool);
2431 	struct perf_session *session = script->session;
2432 	struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2433 	struct thread *thread;
2434 
2435 	thread = machine__findnew_thread(machine, sample->pid,
2436 					 sample->tid);
2437 	if (thread == NULL)
2438 		return -1;
2439 
2440 	if (!filter_cpu(sample)) {
2441 		perf_sample__fprintf_start(sample, thread, evsel,
2442 					   PERF_RECORD_LOST, stdout);
2443 		perf_event__fprintf(event, stdout);
2444 	}
2445 	thread__put(thread);
2446 	return 0;
2447 }
2448 
2449 static int
2450 process_finished_round_event(struct perf_tool *tool __maybe_unused,
2451 			     union perf_event *event,
2452 			     struct ordered_events *oe __maybe_unused)
2453 
2454 {
2455 	perf_event__fprintf(event, stdout);
2456 	return 0;
2457 }
2458 
2459 static int
2460 process_bpf_events(struct perf_tool *tool __maybe_unused,
2461 		   union perf_event *event,
2462 		   struct perf_sample *sample,
2463 		   struct machine *machine)
2464 {
2465 	struct thread *thread;
2466 	struct perf_script *script = container_of(tool, struct perf_script, tool);
2467 	struct perf_session *session = script->session;
2468 	struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2469 
2470 	if (machine__process_ksymbol(machine, event, sample) < 0)
2471 		return -1;
2472 
2473 	if (!evsel->core.attr.sample_id_all) {
2474 		perf_event__fprintf(event, stdout);
2475 		return 0;
2476 	}
2477 
2478 	thread = machine__findnew_thread(machine, sample->pid, sample->tid);
2479 	if (thread == NULL) {
2480 		pr_debug("problem processing MMAP event, skipping it.\n");
2481 		return -1;
2482 	}
2483 
2484 	if (!filter_cpu(sample)) {
2485 		perf_sample__fprintf_start(sample, thread, evsel,
2486 					   event->header.type, stdout);
2487 		perf_event__fprintf(event, stdout);
2488 	}
2489 
2490 	thread__put(thread);
2491 	return 0;
2492 }
2493 
2494 static void sig_handler(int sig __maybe_unused)
2495 {
2496 	session_done = 1;
2497 }
2498 
2499 static void perf_script__fclose_per_event_dump(struct perf_script *script)
2500 {
2501 	struct evlist *evlist = script->session->evlist;
2502 	struct evsel *evsel;
2503 
2504 	evlist__for_each_entry(evlist, evsel) {
2505 		if (!evsel->priv)
2506 			break;
2507 		perf_evsel_script__delete(evsel->priv);
2508 		evsel->priv = NULL;
2509 	}
2510 }
2511 
2512 static int perf_script__fopen_per_event_dump(struct perf_script *script)
2513 {
2514 	struct evsel *evsel;
2515 
2516 	evlist__for_each_entry(script->session->evlist, evsel) {
2517 		/*
2518 		 * Already setup? I.e. we may be called twice in cases like
2519 		 * Intel PT, one for the intel_pt// and dummy events, then
2520 		 * for the evsels syntheized from the auxtrace info.
2521 		 *
2522 		 * Ses perf_script__process_auxtrace_info.
2523 		 */
2524 		if (evsel->priv != NULL)
2525 			continue;
2526 
2527 		evsel->priv = perf_evsel_script__new(evsel, script->session->data);
2528 		if (evsel->priv == NULL)
2529 			goto out_err_fclose;
2530 	}
2531 
2532 	return 0;
2533 
2534 out_err_fclose:
2535 	perf_script__fclose_per_event_dump(script);
2536 	return -1;
2537 }
2538 
2539 static int perf_script__setup_per_event_dump(struct perf_script *script)
2540 {
2541 	struct evsel *evsel;
2542 	static struct evsel_script es_stdout;
2543 
2544 	if (script->per_event_dump)
2545 		return perf_script__fopen_per_event_dump(script);
2546 
2547 	es_stdout.fp = stdout;
2548 
2549 	evlist__for_each_entry(script->session->evlist, evsel)
2550 		evsel->priv = &es_stdout;
2551 
2552 	return 0;
2553 }
2554 
2555 static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2556 {
2557 	struct evsel *evsel;
2558 
2559 	evlist__for_each_entry(script->session->evlist, evsel) {
2560 		struct evsel_script *es = evsel->priv;
2561 
2562 		perf_evsel_script__fprintf(es, stdout);
2563 		perf_evsel_script__delete(es);
2564 		evsel->priv = NULL;
2565 	}
2566 }
2567 
2568 static int __cmd_script(struct perf_script *script)
2569 {
2570 	int ret;
2571 
2572 	signal(SIGINT, sig_handler);
2573 
2574 	perf_stat__init_shadow_stats();
2575 
2576 	/* override event processing functions */
2577 	if (script->show_task_events) {
2578 		script->tool.comm = process_comm_event;
2579 		script->tool.fork = process_fork_event;
2580 		script->tool.exit = process_exit_event;
2581 	}
2582 	if (script->show_mmap_events) {
2583 		script->tool.mmap = process_mmap_event;
2584 		script->tool.mmap2 = process_mmap2_event;
2585 	}
2586 	if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch))
2587 		script->tool.context_switch = process_switch_event;
2588 	if (script->show_namespace_events)
2589 		script->tool.namespaces = process_namespaces_event;
2590 	if (script->show_cgroup_events)
2591 		script->tool.cgroup = process_cgroup_event;
2592 	if (script->show_lost_events)
2593 		script->tool.lost = process_lost_event;
2594 	if (script->show_round_events) {
2595 		script->tool.ordered_events = false;
2596 		script->tool.finished_round = process_finished_round_event;
2597 	}
2598 	if (script->show_bpf_events) {
2599 		script->tool.ksymbol = process_bpf_events;
2600 		script->tool.bpf     = process_bpf_events;
2601 	}
2602 
2603 	if (perf_script__setup_per_event_dump(script)) {
2604 		pr_err("Couldn't create the per event dump files\n");
2605 		return -1;
2606 	}
2607 
2608 	ret = perf_session__process_events(script->session);
2609 
2610 	if (script->per_event_dump)
2611 		perf_script__exit_per_event_dump_stats(script);
2612 
2613 	if (debug_mode)
2614 		pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2615 
2616 	return ret;
2617 }
2618 
2619 struct script_spec {
2620 	struct list_head	node;
2621 	struct scripting_ops	*ops;
2622 	char			spec[0];
2623 };
2624 
2625 static LIST_HEAD(script_specs);
2626 
2627 static struct script_spec *script_spec__new(const char *spec,
2628 					    struct scripting_ops *ops)
2629 {
2630 	struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2631 
2632 	if (s != NULL) {
2633 		strcpy(s->spec, spec);
2634 		s->ops = ops;
2635 	}
2636 
2637 	return s;
2638 }
2639 
2640 static void script_spec__add(struct script_spec *s)
2641 {
2642 	list_add_tail(&s->node, &script_specs);
2643 }
2644 
2645 static struct script_spec *script_spec__find(const char *spec)
2646 {
2647 	struct script_spec *s;
2648 
2649 	list_for_each_entry(s, &script_specs, node)
2650 		if (strcasecmp(s->spec, spec) == 0)
2651 			return s;
2652 	return NULL;
2653 }
2654 
2655 int script_spec_register(const char *spec, struct scripting_ops *ops)
2656 {
2657 	struct script_spec *s;
2658 
2659 	s = script_spec__find(spec);
2660 	if (s)
2661 		return -1;
2662 
2663 	s = script_spec__new(spec, ops);
2664 	if (!s)
2665 		return -1;
2666 	else
2667 		script_spec__add(s);
2668 
2669 	return 0;
2670 }
2671 
2672 static struct scripting_ops *script_spec__lookup(const char *spec)
2673 {
2674 	struct script_spec *s = script_spec__find(spec);
2675 	if (!s)
2676 		return NULL;
2677 
2678 	return s->ops;
2679 }
2680 
2681 static void list_available_languages(void)
2682 {
2683 	struct script_spec *s;
2684 
2685 	fprintf(stderr, "\n");
2686 	fprintf(stderr, "Scripting language extensions (used in "
2687 		"perf script -s [spec:]script.[spec]):\n\n");
2688 
2689 	list_for_each_entry(s, &script_specs, node)
2690 		fprintf(stderr, "  %-42s [%s]\n", s->spec, s->ops->name);
2691 
2692 	fprintf(stderr, "\n");
2693 }
2694 
2695 static int parse_scriptname(const struct option *opt __maybe_unused,
2696 			    const char *str, int unset __maybe_unused)
2697 {
2698 	char spec[PATH_MAX];
2699 	const char *script, *ext;
2700 	int len;
2701 
2702 	if (strcmp(str, "lang") == 0) {
2703 		list_available_languages();
2704 		exit(0);
2705 	}
2706 
2707 	script = strchr(str, ':');
2708 	if (script) {
2709 		len = script - str;
2710 		if (len >= PATH_MAX) {
2711 			fprintf(stderr, "invalid language specifier");
2712 			return -1;
2713 		}
2714 		strncpy(spec, str, len);
2715 		spec[len] = '\0';
2716 		scripting_ops = script_spec__lookup(spec);
2717 		if (!scripting_ops) {
2718 			fprintf(stderr, "invalid language specifier");
2719 			return -1;
2720 		}
2721 		script++;
2722 	} else {
2723 		script = str;
2724 		ext = strrchr(script, '.');
2725 		if (!ext) {
2726 			fprintf(stderr, "invalid script extension");
2727 			return -1;
2728 		}
2729 		scripting_ops = script_spec__lookup(++ext);
2730 		if (!scripting_ops) {
2731 			fprintf(stderr, "invalid script extension");
2732 			return -1;
2733 		}
2734 	}
2735 
2736 	script_name = strdup(script);
2737 
2738 	return 0;
2739 }
2740 
2741 static int parse_output_fields(const struct option *opt __maybe_unused,
2742 			    const char *arg, int unset __maybe_unused)
2743 {
2744 	char *tok, *strtok_saveptr = NULL;
2745 	int i, imax = ARRAY_SIZE(all_output_options);
2746 	int j;
2747 	int rc = 0;
2748 	char *str = strdup(arg);
2749 	int type = -1;
2750 	enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
2751 
2752 	if (!str)
2753 		return -ENOMEM;
2754 
2755 	/* first word can state for which event type the user is specifying
2756 	 * the fields. If no type exists, the specified fields apply to all
2757 	 * event types found in the file minus the invalid fields for a type.
2758 	 */
2759 	tok = strchr(str, ':');
2760 	if (tok) {
2761 		*tok = '\0';
2762 		tok++;
2763 		if (!strcmp(str, "hw"))
2764 			type = PERF_TYPE_HARDWARE;
2765 		else if (!strcmp(str, "sw"))
2766 			type = PERF_TYPE_SOFTWARE;
2767 		else if (!strcmp(str, "trace"))
2768 			type = PERF_TYPE_TRACEPOINT;
2769 		else if (!strcmp(str, "raw"))
2770 			type = PERF_TYPE_RAW;
2771 		else if (!strcmp(str, "break"))
2772 			type = PERF_TYPE_BREAKPOINT;
2773 		else if (!strcmp(str, "synth"))
2774 			type = OUTPUT_TYPE_SYNTH;
2775 		else {
2776 			fprintf(stderr, "Invalid event type in field string.\n");
2777 			rc = -EINVAL;
2778 			goto out;
2779 		}
2780 
2781 		if (output[type].user_set)
2782 			pr_warning("Overriding previous field request for %s events.\n",
2783 				   event_type(type));
2784 
2785 		/* Don't override defaults for +- */
2786 		if (strchr(tok, '+') || strchr(tok, '-'))
2787 			goto parse;
2788 
2789 		output[type].fields = 0;
2790 		output[type].user_set = true;
2791 		output[type].wildcard_set = false;
2792 
2793 	} else {
2794 		tok = str;
2795 		if (strlen(str) == 0) {
2796 			fprintf(stderr,
2797 				"Cannot set fields to 'none' for all event types.\n");
2798 			rc = -EINVAL;
2799 			goto out;
2800 		}
2801 
2802 		/* Don't override defaults for +- */
2803 		if (strchr(str, '+') || strchr(str, '-'))
2804 			goto parse;
2805 
2806 		if (output_set_by_user())
2807 			pr_warning("Overriding previous field request for all events.\n");
2808 
2809 		for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2810 			output[j].fields = 0;
2811 			output[j].user_set = true;
2812 			output[j].wildcard_set = true;
2813 		}
2814 	}
2815 
2816 parse:
2817 	for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
2818 		if (*tok == '+') {
2819 			if (change == SET)
2820 				goto out_badmix;
2821 			change = ADD;
2822 			tok++;
2823 		} else if (*tok == '-') {
2824 			if (change == SET)
2825 				goto out_badmix;
2826 			change = REMOVE;
2827 			tok++;
2828 		} else {
2829 			if (change != SET && change != DEFAULT)
2830 				goto out_badmix;
2831 			change = SET;
2832 		}
2833 
2834 		for (i = 0; i < imax; ++i) {
2835 			if (strcmp(tok, all_output_options[i].str) == 0)
2836 				break;
2837 		}
2838 		if (i == imax && strcmp(tok, "flags") == 0) {
2839 			print_flags = change == REMOVE ? false : true;
2840 			continue;
2841 		}
2842 		if (i == imax) {
2843 			fprintf(stderr, "Invalid field requested.\n");
2844 			rc = -EINVAL;
2845 			goto out;
2846 		}
2847 
2848 		if (type == -1) {
2849 			/* add user option to all events types for
2850 			 * which it is valid
2851 			 */
2852 			for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2853 				if (output[j].invalid_fields & all_output_options[i].field) {
2854 					pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
2855 						   all_output_options[i].str, event_type(j));
2856 				} else {
2857 					if (change == REMOVE) {
2858 						output[j].fields &= ~all_output_options[i].field;
2859 						output[j].user_set_fields &= ~all_output_options[i].field;
2860 					} else {
2861 						output[j].fields |= all_output_options[i].field;
2862 						output[j].user_set_fields |= all_output_options[i].field;
2863 					}
2864 					output[j].user_set = true;
2865 					output[j].wildcard_set = true;
2866 				}
2867 			}
2868 		} else {
2869 			if (output[type].invalid_fields & all_output_options[i].field) {
2870 				fprintf(stderr, "\'%s\' not valid for %s events.\n",
2871 					 all_output_options[i].str, event_type(type));
2872 
2873 				rc = -EINVAL;
2874 				goto out;
2875 			}
2876 			if (change == REMOVE)
2877 				output[type].fields &= ~all_output_options[i].field;
2878 			else
2879 				output[type].fields |= all_output_options[i].field;
2880 			output[type].user_set = true;
2881 			output[type].wildcard_set = true;
2882 		}
2883 	}
2884 
2885 	if (type >= 0) {
2886 		if (output[type].fields == 0) {
2887 			pr_debug("No fields requested for %s type. "
2888 				 "Events will not be displayed.\n", event_type(type));
2889 		}
2890 	}
2891 	goto out;
2892 
2893 out_badmix:
2894 	fprintf(stderr, "Cannot mix +-field with overridden fields\n");
2895 	rc = -EINVAL;
2896 out:
2897 	free(str);
2898 	return rc;
2899 }
2900 
2901 #define for_each_lang(scripts_path, scripts_dir, lang_dirent)		\
2902 	while ((lang_dirent = readdir(scripts_dir)) != NULL)		\
2903 		if ((lang_dirent->d_type == DT_DIR ||			\
2904 		     (lang_dirent->d_type == DT_UNKNOWN &&		\
2905 		      is_directory(scripts_path, lang_dirent))) &&	\
2906 		    (strcmp(lang_dirent->d_name, ".")) &&		\
2907 		    (strcmp(lang_dirent->d_name, "..")))
2908 
2909 #define for_each_script(lang_path, lang_dir, script_dirent)		\
2910 	while ((script_dirent = readdir(lang_dir)) != NULL)		\
2911 		if (script_dirent->d_type != DT_DIR &&			\
2912 		    (script_dirent->d_type != DT_UNKNOWN ||		\
2913 		     !is_directory(lang_path, script_dirent)))
2914 
2915 
2916 #define RECORD_SUFFIX			"-record"
2917 #define REPORT_SUFFIX			"-report"
2918 
2919 struct script_desc {
2920 	struct list_head	node;
2921 	char			*name;
2922 	char			*half_liner;
2923 	char			*args;
2924 };
2925 
2926 static LIST_HEAD(script_descs);
2927 
2928 static struct script_desc *script_desc__new(const char *name)
2929 {
2930 	struct script_desc *s = zalloc(sizeof(*s));
2931 
2932 	if (s != NULL && name)
2933 		s->name = strdup(name);
2934 
2935 	return s;
2936 }
2937 
2938 static void script_desc__delete(struct script_desc *s)
2939 {
2940 	zfree(&s->name);
2941 	zfree(&s->half_liner);
2942 	zfree(&s->args);
2943 	free(s);
2944 }
2945 
2946 static void script_desc__add(struct script_desc *s)
2947 {
2948 	list_add_tail(&s->node, &script_descs);
2949 }
2950 
2951 static struct script_desc *script_desc__find(const char *name)
2952 {
2953 	struct script_desc *s;
2954 
2955 	list_for_each_entry(s, &script_descs, node)
2956 		if (strcasecmp(s->name, name) == 0)
2957 			return s;
2958 	return NULL;
2959 }
2960 
2961 static struct script_desc *script_desc__findnew(const char *name)
2962 {
2963 	struct script_desc *s = script_desc__find(name);
2964 
2965 	if (s)
2966 		return s;
2967 
2968 	s = script_desc__new(name);
2969 	if (!s)
2970 		return NULL;
2971 
2972 	script_desc__add(s);
2973 
2974 	return s;
2975 }
2976 
2977 static const char *ends_with(const char *str, const char *suffix)
2978 {
2979 	size_t suffix_len = strlen(suffix);
2980 	const char *p = str;
2981 
2982 	if (strlen(str) > suffix_len) {
2983 		p = str + strlen(str) - suffix_len;
2984 		if (!strncmp(p, suffix, suffix_len))
2985 			return p;
2986 	}
2987 
2988 	return NULL;
2989 }
2990 
2991 static int read_script_info(struct script_desc *desc, const char *filename)
2992 {
2993 	char line[BUFSIZ], *p;
2994 	FILE *fp;
2995 
2996 	fp = fopen(filename, "r");
2997 	if (!fp)
2998 		return -1;
2999 
3000 	while (fgets(line, sizeof(line), fp)) {
3001 		p = skip_spaces(line);
3002 		if (strlen(p) == 0)
3003 			continue;
3004 		if (*p != '#')
3005 			continue;
3006 		p++;
3007 		if (strlen(p) && *p == '!')
3008 			continue;
3009 
3010 		p = skip_spaces(p);
3011 		if (strlen(p) && p[strlen(p) - 1] == '\n')
3012 			p[strlen(p) - 1] = '\0';
3013 
3014 		if (!strncmp(p, "description:", strlen("description:"))) {
3015 			p += strlen("description:");
3016 			desc->half_liner = strdup(skip_spaces(p));
3017 			continue;
3018 		}
3019 
3020 		if (!strncmp(p, "args:", strlen("args:"))) {
3021 			p += strlen("args:");
3022 			desc->args = strdup(skip_spaces(p));
3023 			continue;
3024 		}
3025 	}
3026 
3027 	fclose(fp);
3028 
3029 	return 0;
3030 }
3031 
3032 static char *get_script_root(struct dirent *script_dirent, const char *suffix)
3033 {
3034 	char *script_root, *str;
3035 
3036 	script_root = strdup(script_dirent->d_name);
3037 	if (!script_root)
3038 		return NULL;
3039 
3040 	str = (char *)ends_with(script_root, suffix);
3041 	if (!str) {
3042 		free(script_root);
3043 		return NULL;
3044 	}
3045 
3046 	*str = '\0';
3047 	return script_root;
3048 }
3049 
3050 static int list_available_scripts(const struct option *opt __maybe_unused,
3051 				  const char *s __maybe_unused,
3052 				  int unset __maybe_unused)
3053 {
3054 	struct dirent *script_dirent, *lang_dirent;
3055 	char scripts_path[MAXPATHLEN];
3056 	DIR *scripts_dir, *lang_dir;
3057 	char script_path[MAXPATHLEN];
3058 	char lang_path[MAXPATHLEN];
3059 	struct script_desc *desc;
3060 	char first_half[BUFSIZ];
3061 	char *script_root;
3062 
3063 	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3064 
3065 	scripts_dir = opendir(scripts_path);
3066 	if (!scripts_dir) {
3067 		fprintf(stdout,
3068 			"open(%s) failed.\n"
3069 			"Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
3070 			scripts_path);
3071 		exit(-1);
3072 	}
3073 
3074 	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3075 		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3076 			  lang_dirent->d_name);
3077 		lang_dir = opendir(lang_path);
3078 		if (!lang_dir)
3079 			continue;
3080 
3081 		for_each_script(lang_path, lang_dir, script_dirent) {
3082 			script_root = get_script_root(script_dirent, REPORT_SUFFIX);
3083 			if (script_root) {
3084 				desc = script_desc__findnew(script_root);
3085 				scnprintf(script_path, MAXPATHLEN, "%s/%s",
3086 					  lang_path, script_dirent->d_name);
3087 				read_script_info(desc, script_path);
3088 				free(script_root);
3089 			}
3090 		}
3091 	}
3092 
3093 	fprintf(stdout, "List of available trace scripts:\n");
3094 	list_for_each_entry(desc, &script_descs, node) {
3095 		sprintf(first_half, "%s %s", desc->name,
3096 			desc->args ? desc->args : "");
3097 		fprintf(stdout, "  %-36s %s\n", first_half,
3098 			desc->half_liner ? desc->half_liner : "");
3099 	}
3100 
3101 	exit(0);
3102 }
3103 
3104 /*
3105  * Some scripts specify the required events in their "xxx-record" file,
3106  * this function will check if the events in perf.data match those
3107  * mentioned in the "xxx-record".
3108  *
3109  * Fixme: All existing "xxx-record" are all in good formats "-e event ",
3110  * which is covered well now. And new parsing code should be added to
3111  * cover the future complexing formats like event groups etc.
3112  */
3113 static int check_ev_match(char *dir_name, char *scriptname,
3114 			struct perf_session *session)
3115 {
3116 	char filename[MAXPATHLEN], evname[128];
3117 	char line[BUFSIZ], *p;
3118 	struct evsel *pos;
3119 	int match, len;
3120 	FILE *fp;
3121 
3122 	scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
3123 
3124 	fp = fopen(filename, "r");
3125 	if (!fp)
3126 		return -1;
3127 
3128 	while (fgets(line, sizeof(line), fp)) {
3129 		p = skip_spaces(line);
3130 		if (*p == '#')
3131 			continue;
3132 
3133 		while (strlen(p)) {
3134 			p = strstr(p, "-e");
3135 			if (!p)
3136 				break;
3137 
3138 			p += 2;
3139 			p = skip_spaces(p);
3140 			len = strcspn(p, " \t");
3141 			if (!len)
3142 				break;
3143 
3144 			snprintf(evname, len + 1, "%s", p);
3145 
3146 			match = 0;
3147 			evlist__for_each_entry(session->evlist, pos) {
3148 				if (!strcmp(perf_evsel__name(pos), evname)) {
3149 					match = 1;
3150 					break;
3151 				}
3152 			}
3153 
3154 			if (!match) {
3155 				fclose(fp);
3156 				return -1;
3157 			}
3158 		}
3159 	}
3160 
3161 	fclose(fp);
3162 	return 0;
3163 }
3164 
3165 /*
3166  * Return -1 if none is found, otherwise the actual scripts number.
3167  *
3168  * Currently the only user of this function is the script browser, which
3169  * will list all statically runnable scripts, select one, execute it and
3170  * show the output in a perf browser.
3171  */
3172 int find_scripts(char **scripts_array, char **scripts_path_array, int num,
3173 		 int pathlen)
3174 {
3175 	struct dirent *script_dirent, *lang_dirent;
3176 	char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
3177 	DIR *scripts_dir, *lang_dir;
3178 	struct perf_session *session;
3179 	struct perf_data data = {
3180 		.path = input_name,
3181 		.mode = PERF_DATA_MODE_READ,
3182 	};
3183 	char *temp;
3184 	int i = 0;
3185 
3186 	session = perf_session__new(&data, false, NULL);
3187 	if (IS_ERR(session))
3188 		return PTR_ERR(session);
3189 
3190 	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3191 
3192 	scripts_dir = opendir(scripts_path);
3193 	if (!scripts_dir) {
3194 		perf_session__delete(session);
3195 		return -1;
3196 	}
3197 
3198 	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3199 		scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
3200 			  lang_dirent->d_name);
3201 #ifndef HAVE_LIBPERL_SUPPORT
3202 		if (strstr(lang_path, "perl"))
3203 			continue;
3204 #endif
3205 #ifndef HAVE_LIBPYTHON_SUPPORT
3206 		if (strstr(lang_path, "python"))
3207 			continue;
3208 #endif
3209 
3210 		lang_dir = opendir(lang_path);
3211 		if (!lang_dir)
3212 			continue;
3213 
3214 		for_each_script(lang_path, lang_dir, script_dirent) {
3215 			/* Skip those real time scripts: xxxtop.p[yl] */
3216 			if (strstr(script_dirent->d_name, "top."))
3217 				continue;
3218 			if (i >= num)
3219 				break;
3220 			snprintf(scripts_path_array[i], pathlen, "%s/%s",
3221 				lang_path,
3222 				script_dirent->d_name);
3223 			temp = strchr(script_dirent->d_name, '.');
3224 			snprintf(scripts_array[i],
3225 				(temp - script_dirent->d_name) + 1,
3226 				"%s", script_dirent->d_name);
3227 
3228 			if (check_ev_match(lang_path,
3229 					scripts_array[i], session))
3230 				continue;
3231 
3232 			i++;
3233 		}
3234 		closedir(lang_dir);
3235 	}
3236 
3237 	closedir(scripts_dir);
3238 	perf_session__delete(session);
3239 	return i;
3240 }
3241 
3242 static char *get_script_path(const char *script_root, const char *suffix)
3243 {
3244 	struct dirent *script_dirent, *lang_dirent;
3245 	char scripts_path[MAXPATHLEN];
3246 	char script_path[MAXPATHLEN];
3247 	DIR *scripts_dir, *lang_dir;
3248 	char lang_path[MAXPATHLEN];
3249 	char *__script_root;
3250 
3251 	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3252 
3253 	scripts_dir = opendir(scripts_path);
3254 	if (!scripts_dir)
3255 		return NULL;
3256 
3257 	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3258 		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3259 			  lang_dirent->d_name);
3260 		lang_dir = opendir(lang_path);
3261 		if (!lang_dir)
3262 			continue;
3263 
3264 		for_each_script(lang_path, lang_dir, script_dirent) {
3265 			__script_root = get_script_root(script_dirent, suffix);
3266 			if (__script_root && !strcmp(script_root, __script_root)) {
3267 				free(__script_root);
3268 				closedir(scripts_dir);
3269 				scnprintf(script_path, MAXPATHLEN, "%s/%s",
3270 					  lang_path, script_dirent->d_name);
3271 				closedir(lang_dir);
3272 				return strdup(script_path);
3273 			}
3274 			free(__script_root);
3275 		}
3276 		closedir(lang_dir);
3277 	}
3278 	closedir(scripts_dir);
3279 
3280 	return NULL;
3281 }
3282 
3283 static bool is_top_script(const char *script_path)
3284 {
3285 	return ends_with(script_path, "top") == NULL ? false : true;
3286 }
3287 
3288 static int has_required_arg(char *script_path)
3289 {
3290 	struct script_desc *desc;
3291 	int n_args = 0;
3292 	char *p;
3293 
3294 	desc = script_desc__new(NULL);
3295 
3296 	if (read_script_info(desc, script_path))
3297 		goto out;
3298 
3299 	if (!desc->args)
3300 		goto out;
3301 
3302 	for (p = desc->args; *p; p++)
3303 		if (*p == '<')
3304 			n_args++;
3305 out:
3306 	script_desc__delete(desc);
3307 
3308 	return n_args;
3309 }
3310 
3311 static int have_cmd(int argc, const char **argv)
3312 {
3313 	char **__argv = malloc(sizeof(const char *) * argc);
3314 
3315 	if (!__argv) {
3316 		pr_err("malloc failed\n");
3317 		return -1;
3318 	}
3319 
3320 	memcpy(__argv, argv, sizeof(const char *) * argc);
3321 	argc = parse_options(argc, (const char **)__argv, record_options,
3322 			     NULL, PARSE_OPT_STOP_AT_NON_OPTION);
3323 	free(__argv);
3324 
3325 	system_wide = (argc == 0);
3326 
3327 	return 0;
3328 }
3329 
3330 static void script__setup_sample_type(struct perf_script *script)
3331 {
3332 	struct perf_session *session = script->session;
3333 	u64 sample_type = perf_evlist__combined_sample_type(session->evlist);
3334 
3335 	if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
3336 		if ((sample_type & PERF_SAMPLE_REGS_USER) &&
3337 		    (sample_type & PERF_SAMPLE_STACK_USER)) {
3338 			callchain_param.record_mode = CALLCHAIN_DWARF;
3339 			dwarf_callchain_users = true;
3340 		} else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
3341 			callchain_param.record_mode = CALLCHAIN_LBR;
3342 		else
3343 			callchain_param.record_mode = CALLCHAIN_FP;
3344 	}
3345 }
3346 
3347 static int process_stat_round_event(struct perf_session *session,
3348 				    union perf_event *event)
3349 {
3350 	struct perf_record_stat_round *round = &event->stat_round;
3351 	struct evsel *counter;
3352 
3353 	evlist__for_each_entry(session->evlist, counter) {
3354 		perf_stat_process_counter(&stat_config, counter);
3355 		process_stat(counter, round->time);
3356 	}
3357 
3358 	process_stat_interval(round->time);
3359 	return 0;
3360 }
3361 
3362 static int process_stat_config_event(struct perf_session *session __maybe_unused,
3363 				     union perf_event *event)
3364 {
3365 	perf_event__read_stat_config(&stat_config, &event->stat_config);
3366 	return 0;
3367 }
3368 
3369 static int set_maps(struct perf_script *script)
3370 {
3371 	struct evlist *evlist = script->session->evlist;
3372 
3373 	if (!script->cpus || !script->threads)
3374 		return 0;
3375 
3376 	if (WARN_ONCE(script->allocated, "stats double allocation\n"))
3377 		return -EINVAL;
3378 
3379 	perf_evlist__set_maps(&evlist->core, script->cpus, script->threads);
3380 
3381 	if (perf_evlist__alloc_stats(evlist, true))
3382 		return -ENOMEM;
3383 
3384 	script->allocated = true;
3385 	return 0;
3386 }
3387 
3388 static
3389 int process_thread_map_event(struct perf_session *session,
3390 			     union perf_event *event)
3391 {
3392 	struct perf_tool *tool = session->tool;
3393 	struct perf_script *script = container_of(tool, struct perf_script, tool);
3394 
3395 	if (script->threads) {
3396 		pr_warning("Extra thread map event, ignoring.\n");
3397 		return 0;
3398 	}
3399 
3400 	script->threads = thread_map__new_event(&event->thread_map);
3401 	if (!script->threads)
3402 		return -ENOMEM;
3403 
3404 	return set_maps(script);
3405 }
3406 
3407 static
3408 int process_cpu_map_event(struct perf_session *session,
3409 			  union perf_event *event)
3410 {
3411 	struct perf_tool *tool = session->tool;
3412 	struct perf_script *script = container_of(tool, struct perf_script, tool);
3413 
3414 	if (script->cpus) {
3415 		pr_warning("Extra cpu map event, ignoring.\n");
3416 		return 0;
3417 	}
3418 
3419 	script->cpus = cpu_map__new_data(&event->cpu_map.data);
3420 	if (!script->cpus)
3421 		return -ENOMEM;
3422 
3423 	return set_maps(script);
3424 }
3425 
3426 static int process_feature_event(struct perf_session *session,
3427 				 union perf_event *event)
3428 {
3429 	if (event->feat.feat_id < HEADER_LAST_FEATURE)
3430 		return perf_event__process_feature(session, event);
3431 	return 0;
3432 }
3433 
3434 #ifdef HAVE_AUXTRACE_SUPPORT
3435 static int perf_script__process_auxtrace_info(struct perf_session *session,
3436 					      union perf_event *event)
3437 {
3438 	struct perf_tool *tool = session->tool;
3439 
3440 	int ret = perf_event__process_auxtrace_info(session, event);
3441 
3442 	if (ret == 0) {
3443 		struct perf_script *script = container_of(tool, struct perf_script, tool);
3444 
3445 		ret = perf_script__setup_per_event_dump(script);
3446 	}
3447 
3448 	return ret;
3449 }
3450 #else
3451 #define perf_script__process_auxtrace_info 0
3452 #endif
3453 
3454 static int parse_insn_trace(const struct option *opt __maybe_unused,
3455 			    const char *str __maybe_unused,
3456 			    int unset __maybe_unused)
3457 {
3458 	parse_output_fields(NULL, "+insn,-event,-period", 0);
3459 	itrace_parse_synth_opts(opt, "i0ns", 0);
3460 	symbol_conf.nanosecs = true;
3461 	return 0;
3462 }
3463 
3464 static int parse_xed(const struct option *opt __maybe_unused,
3465 		     const char *str __maybe_unused,
3466 		     int unset __maybe_unused)
3467 {
3468 	force_pager("xed -F insn: -A -64 | less");
3469 	return 0;
3470 }
3471 
3472 static int parse_call_trace(const struct option *opt __maybe_unused,
3473 			    const char *str __maybe_unused,
3474 			    int unset __maybe_unused)
3475 {
3476 	parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
3477 	itrace_parse_synth_opts(opt, "cewp", 0);
3478 	symbol_conf.nanosecs = true;
3479 	symbol_conf.pad_output_len_dso = 50;
3480 	return 0;
3481 }
3482 
3483 static int parse_callret_trace(const struct option *opt __maybe_unused,
3484 			    const char *str __maybe_unused,
3485 			    int unset __maybe_unused)
3486 {
3487 	parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
3488 	itrace_parse_synth_opts(opt, "crewp", 0);
3489 	symbol_conf.nanosecs = true;
3490 	return 0;
3491 }
3492 
3493 int cmd_script(int argc, const char **argv)
3494 {
3495 	bool show_full_info = false;
3496 	bool header = false;
3497 	bool header_only = false;
3498 	bool script_started = false;
3499 	char *rec_script_path = NULL;
3500 	char *rep_script_path = NULL;
3501 	struct perf_session *session;
3502 	struct itrace_synth_opts itrace_synth_opts = {
3503 		.set = false,
3504 		.default_no_sample = true,
3505 	};
3506 	struct utsname uts;
3507 	char *script_path = NULL;
3508 	const char **__argv;
3509 	int i, j, err = 0;
3510 	struct perf_script script = {
3511 		.tool = {
3512 			.sample		 = process_sample_event,
3513 			.mmap		 = perf_event__process_mmap,
3514 			.mmap2		 = perf_event__process_mmap2,
3515 			.comm		 = perf_event__process_comm,
3516 			.namespaces	 = perf_event__process_namespaces,
3517 			.cgroup		 = perf_event__process_cgroup,
3518 			.exit		 = perf_event__process_exit,
3519 			.fork		 = perf_event__process_fork,
3520 			.attr		 = process_attr,
3521 			.event_update   = perf_event__process_event_update,
3522 			.tracing_data	 = perf_event__process_tracing_data,
3523 			.feature	 = process_feature_event,
3524 			.build_id	 = perf_event__process_build_id,
3525 			.id_index	 = perf_event__process_id_index,
3526 			.auxtrace_info	 = perf_script__process_auxtrace_info,
3527 			.auxtrace	 = perf_event__process_auxtrace,
3528 			.auxtrace_error	 = perf_event__process_auxtrace_error,
3529 			.stat		 = perf_event__process_stat_event,
3530 			.stat_round	 = process_stat_round_event,
3531 			.stat_config	 = process_stat_config_event,
3532 			.thread_map	 = process_thread_map_event,
3533 			.cpu_map	 = process_cpu_map_event,
3534 			.ordered_events	 = true,
3535 			.ordering_requires_timestamps = true,
3536 		},
3537 	};
3538 	struct perf_data data = {
3539 		.mode = PERF_DATA_MODE_READ,
3540 	};
3541 	const struct option options[] = {
3542 	OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3543 		    "dump raw trace in ASCII"),
3544 	OPT_INCR('v', "verbose", &verbose,
3545 		 "be more verbose (show symbol address, etc)"),
3546 	OPT_BOOLEAN('L', "Latency", &latency_format,
3547 		    "show latency attributes (irqs/preemption disabled, etc)"),
3548 	OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3549 			   list_available_scripts),
3550 	OPT_CALLBACK('s', "script", NULL, "name",
3551 		     "script file name (lang:script name, script name, or *)",
3552 		     parse_scriptname),
3553 	OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3554 		   "generate perf-script.xx script in specified language"),
3555 	OPT_STRING('i', "input", &input_name, "file", "input file name"),
3556 	OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3557 		   "do various checks like samples ordering and lost events"),
3558 	OPT_BOOLEAN(0, "header", &header, "Show data header."),
3559 	OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3560 	OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3561 		   "file", "vmlinux pathname"),
3562 	OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3563 		   "file", "kallsyms pathname"),
3564 	OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3565 		    "When printing symbols do not display call chain"),
3566 	OPT_CALLBACK(0, "symfs", NULL, "directory",
3567 		     "Look for files with symbols relative to this directory",
3568 		     symbol__config_symfs),
3569 	OPT_CALLBACK('F', "fields", NULL, "str",
3570 		     "comma separated output fields prepend with 'type:'. "
3571 		     "+field to add and -field to remove."
3572 		     "Valid types: hw,sw,trace,raw,synth. "
3573 		     "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
3574 		     "addr,symoff,srcline,period,iregs,uregs,brstack,"
3575 		     "brstacksym,flags,bpf-output,brstackinsn,brstackoff,"
3576 		     "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc",
3577 		     parse_output_fields),
3578 	OPT_BOOLEAN('a', "all-cpus", &system_wide,
3579 		    "system-wide collection from all CPUs"),
3580 	OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3581 		   "only consider these symbols"),
3582 	OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL,
3583 			"Decode instructions from itrace", parse_insn_trace),
3584 	OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
3585 			"Run xed disassembler on output", parse_xed),
3586 	OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
3587 			"Decode calls from from itrace", parse_call_trace),
3588 	OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
3589 			"Decode calls and returns from itrace", parse_callret_trace),
3590 	OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",
3591 			"Only print symbols and callees with --call-trace/--call-ret-trace"),
3592 	OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3593 		   "Stop display of callgraph at these symbols"),
3594 	OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3595 	OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3596 		   "only display events for these comms"),
3597 	OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3598 		   "only consider symbols in these pids"),
3599 	OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3600 		   "only consider symbols in these tids"),
3601 	OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3602 		     "Set the maximum stack depth when parsing the callchain, "
3603 		     "anything beyond the specified depth will be ignored. "
3604 		     "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3605 	OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"),
3606 	OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"),
3607 	OPT_BOOLEAN('I', "show-info", &show_full_info,
3608 		    "display extended information from perf.data file"),
3609 	OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3610 		    "Show the path of [kernel.kallsyms]"),
3611 	OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3612 		    "Show the fork/comm/exit events"),
3613 	OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3614 		    "Show the mmap events"),
3615 	OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3616 		    "Show context switch events (if recorded)"),
3617 	OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3618 		    "Show namespace events (if recorded)"),
3619 	OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events,
3620 		    "Show cgroup events (if recorded)"),
3621 	OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3622 		    "Show lost events (if recorded)"),
3623 	OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3624 		    "Show round events (if recorded)"),
3625 	OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events,
3626 		    "Show bpf related events (if recorded)"),
3627 	OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
3628 		    "Dump trace output to files named by the monitored events"),
3629 	OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3630 	OPT_INTEGER(0, "max-blocks", &max_blocks,
3631 		    "Maximum number of code blocks to dump with brstackinsn"),
3632 	OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs,
3633 		    "Use 9 decimal places when displaying time"),
3634 	OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
3635 			    "Instruction Tracing options\n" ITRACE_HELP,
3636 			    itrace_parse_synth_opts),
3637 	OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
3638 			"Show full source file name path for source lines"),
3639 	OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
3640 			"Enable symbol demangling"),
3641 	OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
3642 			"Enable kernel symbol demangling"),
3643 	OPT_STRING(0, "time", &script.time_str, "str",
3644 		   "Time span of interest (start,stop)"),
3645 	OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
3646 		    "Show inline function"),
3647 	OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
3648 		   "guest mount directory under which every guest os"
3649 		   " instance has a subdir"),
3650 	OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name,
3651 		   "file", "file saving guest os vmlinux"),
3652 	OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms,
3653 		   "file", "file saving guest os /proc/kallsyms"),
3654 	OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
3655 		   "file", "file saving guest os /proc/modules"),
3656 	OPTS_EVSWITCH(&script.evswitch),
3657 	OPT_END()
3658 	};
3659 	const char * const script_subcommands[] = { "record", "report", NULL };
3660 	const char *script_usage[] = {
3661 		"perf script [<options>]",
3662 		"perf script [<options>] record <script> [<record-options>] <command>",
3663 		"perf script [<options>] report <script> [script-args]",
3664 		"perf script [<options>] <script> [<record-options>] <command>",
3665 		"perf script [<options>] <top-script> [script-args]",
3666 		NULL
3667 	};
3668 
3669 	perf_set_singlethreaded();
3670 
3671 	setup_scripting();
3672 
3673 	argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3674 			     PARSE_OPT_STOP_AT_NON_OPTION);
3675 
3676 	if (symbol_conf.guestmount ||
3677 	    symbol_conf.default_guest_vmlinux_name ||
3678 	    symbol_conf.default_guest_kallsyms ||
3679 	    symbol_conf.default_guest_modules) {
3680 		/*
3681 		 * Enable guest sample processing.
3682 		 */
3683 		perf_guest = true;
3684 	}
3685 
3686 	data.path  = input_name;
3687 	data.force = symbol_conf.force;
3688 
3689 	if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
3690 		rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
3691 		if (!rec_script_path)
3692 			return cmd_record(argc, argv);
3693 	}
3694 
3695 	if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
3696 		rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
3697 		if (!rep_script_path) {
3698 			fprintf(stderr,
3699 				"Please specify a valid report script"
3700 				"(see 'perf script -l' for listing)\n");
3701 			return -1;
3702 		}
3703 	}
3704 
3705 	if (reltime && deltatime) {
3706 		fprintf(stderr,
3707 			"reltime and deltatime - the two don't get along well. "
3708 			"Please limit to --reltime or --deltatime.\n");
3709 		return -1;
3710 	}
3711 
3712 	if (itrace_synth_opts.callchain &&
3713 	    itrace_synth_opts.callchain_sz > scripting_max_stack)
3714 		scripting_max_stack = itrace_synth_opts.callchain_sz;
3715 
3716 	/* make sure PERF_EXEC_PATH is set for scripts */
3717 	set_argv_exec_path(get_argv_exec_path());
3718 
3719 	if (argc && !script_name && !rec_script_path && !rep_script_path) {
3720 		int live_pipe[2];
3721 		int rep_args;
3722 		pid_t pid;
3723 
3724 		rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
3725 		rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
3726 
3727 		if (!rec_script_path && !rep_script_path) {
3728 			usage_with_options_msg(script_usage, options,
3729 				"Couldn't find script `%s'\n\n See perf"
3730 				" script -l for available scripts.\n", argv[0]);
3731 		}
3732 
3733 		if (is_top_script(argv[0])) {
3734 			rep_args = argc - 1;
3735 		} else {
3736 			int rec_args;
3737 
3738 			rep_args = has_required_arg(rep_script_path);
3739 			rec_args = (argc - 1) - rep_args;
3740 			if (rec_args < 0) {
3741 				usage_with_options_msg(script_usage, options,
3742 					"`%s' script requires options."
3743 					"\n\n See perf script -l for available "
3744 					"scripts and options.\n", argv[0]);
3745 			}
3746 		}
3747 
3748 		if (pipe(live_pipe) < 0) {
3749 			perror("failed to create pipe");
3750 			return -1;
3751 		}
3752 
3753 		pid = fork();
3754 		if (pid < 0) {
3755 			perror("failed to fork");
3756 			return -1;
3757 		}
3758 
3759 		if (!pid) {
3760 			j = 0;
3761 
3762 			dup2(live_pipe[1], 1);
3763 			close(live_pipe[0]);
3764 
3765 			if (is_top_script(argv[0])) {
3766 				system_wide = true;
3767 			} else if (!system_wide) {
3768 				if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
3769 					err = -1;
3770 					goto out;
3771 				}
3772 			}
3773 
3774 			__argv = malloc((argc + 6) * sizeof(const char *));
3775 			if (!__argv) {
3776 				pr_err("malloc failed\n");
3777 				err = -ENOMEM;
3778 				goto out;
3779 			}
3780 
3781 			__argv[j++] = "/bin/sh";
3782 			__argv[j++] = rec_script_path;
3783 			if (system_wide)
3784 				__argv[j++] = "-a";
3785 			__argv[j++] = "-q";
3786 			__argv[j++] = "-o";
3787 			__argv[j++] = "-";
3788 			for (i = rep_args + 1; i < argc; i++)
3789 				__argv[j++] = argv[i];
3790 			__argv[j++] = NULL;
3791 
3792 			execvp("/bin/sh", (char **)__argv);
3793 			free(__argv);
3794 			exit(-1);
3795 		}
3796 
3797 		dup2(live_pipe[0], 0);
3798 		close(live_pipe[1]);
3799 
3800 		__argv = malloc((argc + 4) * sizeof(const char *));
3801 		if (!__argv) {
3802 			pr_err("malloc failed\n");
3803 			err = -ENOMEM;
3804 			goto out;
3805 		}
3806 
3807 		j = 0;
3808 		__argv[j++] = "/bin/sh";
3809 		__argv[j++] = rep_script_path;
3810 		for (i = 1; i < rep_args + 1; i++)
3811 			__argv[j++] = argv[i];
3812 		__argv[j++] = "-i";
3813 		__argv[j++] = "-";
3814 		__argv[j++] = NULL;
3815 
3816 		execvp("/bin/sh", (char **)__argv);
3817 		free(__argv);
3818 		exit(-1);
3819 	}
3820 
3821 	if (rec_script_path)
3822 		script_path = rec_script_path;
3823 	if (rep_script_path)
3824 		script_path = rep_script_path;
3825 
3826 	if (script_path) {
3827 		j = 0;
3828 
3829 		if (!rec_script_path)
3830 			system_wide = false;
3831 		else if (!system_wide) {
3832 			if (have_cmd(argc - 1, &argv[1]) != 0) {
3833 				err = -1;
3834 				goto out;
3835 			}
3836 		}
3837 
3838 		__argv = malloc((argc + 2) * sizeof(const char *));
3839 		if (!__argv) {
3840 			pr_err("malloc failed\n");
3841 			err = -ENOMEM;
3842 			goto out;
3843 		}
3844 
3845 		__argv[j++] = "/bin/sh";
3846 		__argv[j++] = script_path;
3847 		if (system_wide)
3848 			__argv[j++] = "-a";
3849 		for (i = 2; i < argc; i++)
3850 			__argv[j++] = argv[i];
3851 		__argv[j++] = NULL;
3852 
3853 		execvp("/bin/sh", (char **)__argv);
3854 		free(__argv);
3855 		exit(-1);
3856 	}
3857 
3858 	if (!script_name) {
3859 		setup_pager();
3860 		use_browser = 0;
3861 	}
3862 
3863 	session = perf_session__new(&data, false, &script.tool);
3864 	if (IS_ERR(session))
3865 		return PTR_ERR(session);
3866 
3867 	if (header || header_only) {
3868 		script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
3869 		perf_session__fprintf_info(session, stdout, show_full_info);
3870 		if (header_only)
3871 			goto out_delete;
3872 	}
3873 	if (show_full_info)
3874 		script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
3875 
3876 	if (symbol__init(&session->header.env) < 0)
3877 		goto out_delete;
3878 
3879 	uname(&uts);
3880 	if (data.is_pipe ||  /* assume pipe_mode indicates native_arch */
3881 	    !strcmp(uts.machine, session->header.env.arch) ||
3882 	    (!strcmp(uts.machine, "x86_64") &&
3883 	     !strcmp(session->header.env.arch, "i386")))
3884 		native_arch = true;
3885 
3886 	script.session = session;
3887 	script__setup_sample_type(&script);
3888 
3889 	if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) ||
3890 	    symbol_conf.graph_function)
3891 		itrace_synth_opts.thread_stack = true;
3892 
3893 	session->itrace_synth_opts = &itrace_synth_opts;
3894 
3895 	if (cpu_list) {
3896 		err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
3897 		if (err < 0)
3898 			goto out_delete;
3899 		itrace_synth_opts.cpu_bitmap = cpu_bitmap;
3900 	}
3901 
3902 	if (!no_callchain)
3903 		symbol_conf.use_callchain = true;
3904 	else
3905 		symbol_conf.use_callchain = false;
3906 
3907 	if (session->tevent.pevent &&
3908 	    tep_set_function_resolver(session->tevent.pevent,
3909 				      machine__resolve_kernel_addr,
3910 				      &session->machines.host) < 0) {
3911 		pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
3912 		err = -1;
3913 		goto out_delete;
3914 	}
3915 
3916 	if (generate_script_lang) {
3917 		struct stat perf_stat;
3918 		int input;
3919 
3920 		if (output_set_by_user()) {
3921 			fprintf(stderr,
3922 				"custom fields not supported for generated scripts");
3923 			err = -EINVAL;
3924 			goto out_delete;
3925 		}
3926 
3927 		input = open(data.path, O_RDONLY);	/* input_name */
3928 		if (input < 0) {
3929 			err = -errno;
3930 			perror("failed to open file");
3931 			goto out_delete;
3932 		}
3933 
3934 		err = fstat(input, &perf_stat);
3935 		if (err < 0) {
3936 			perror("failed to stat file");
3937 			goto out_delete;
3938 		}
3939 
3940 		if (!perf_stat.st_size) {
3941 			fprintf(stderr, "zero-sized file, nothing to do!\n");
3942 			goto out_delete;
3943 		}
3944 
3945 		scripting_ops = script_spec__lookup(generate_script_lang);
3946 		if (!scripting_ops) {
3947 			fprintf(stderr, "invalid language specifier");
3948 			err = -ENOENT;
3949 			goto out_delete;
3950 		}
3951 
3952 		err = scripting_ops->generate_script(session->tevent.pevent,
3953 						     "perf-script");
3954 		goto out_delete;
3955 	}
3956 
3957 	if (script_name) {
3958 		err = scripting_ops->start_script(script_name, argc, argv);
3959 		if (err)
3960 			goto out_delete;
3961 		pr_debug("perf script started with script %s\n\n", script_name);
3962 		script_started = true;
3963 	}
3964 
3965 
3966 	err = perf_session__check_output_opt(session);
3967 	if (err < 0)
3968 		goto out_delete;
3969 
3970 	if (script.time_str) {
3971 		err = perf_time__parse_for_ranges_reltime(script.time_str, session,
3972 						  &script.ptime_range,
3973 						  &script.range_size,
3974 						  &script.range_num,
3975 						  reltime);
3976 		if (err < 0)
3977 			goto out_delete;
3978 
3979 		itrace_synth_opts__set_time_range(&itrace_synth_opts,
3980 						  script.ptime_range,
3981 						  script.range_num);
3982 	}
3983 
3984 	err = evswitch__init(&script.evswitch, session->evlist, stderr);
3985 	if (err)
3986 		goto out_delete;
3987 
3988 	err = __cmd_script(&script);
3989 
3990 	flush_scripting();
3991 
3992 out_delete:
3993 	if (script.ptime_range) {
3994 		itrace_synth_opts__clear_time_range(&itrace_synth_opts);
3995 		zfree(&script.ptime_range);
3996 	}
3997 
3998 	perf_evlist__free_stats(session->evlist);
3999 	perf_session__delete(session);
4000 
4001 	if (script_started)
4002 		cleanup_scripting();
4003 out:
4004 	return err;
4005 }
4006