xref: /openbmc/linux/tools/perf/builtin-script.c (revision 0b26ca68)
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 "util/event.h"
34 #include "ui/ui.h"
35 #include "print_binary.h"
36 #include "archinsn.h"
37 #include <linux/bitmap.h>
38 #include <linux/kernel.h>
39 #include <linux/stringify.h>
40 #include <linux/time64.h>
41 #include <linux/zalloc.h>
42 #include <sys/utsname.h>
43 #include "asm/bug.h"
44 #include "util/mem-events.h"
45 #include "util/dump-insn.h"
46 #include <dirent.h>
47 #include <errno.h>
48 #include <inttypes.h>
49 #include <signal.h>
50 #include <sys/param.h>
51 #include <sys/types.h>
52 #include <sys/stat.h>
53 #include <fcntl.h>
54 #include <unistd.h>
55 #include <subcmd/pager.h>
56 #include <perf/evlist.h>
57 #include <linux/err.h>
58 #include "util/record.h"
59 #include "util/util.h"
60 #include "perf.h"
61 
62 #include <linux/ctype.h>
63 
64 static char const		*script_name;
65 static char const		*generate_script_lang;
66 static bool			reltime;
67 static bool			deltatime;
68 static u64			initial_time;
69 static u64			previous_time;
70 static bool			debug_mode;
71 static u64			last_timestamp;
72 static u64			nr_unordered;
73 static bool			no_callchain;
74 static bool			latency_format;
75 static bool			system_wide;
76 static bool			print_flags;
77 static const char		*cpu_list;
78 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
79 static struct perf_stat_config	stat_config;
80 static int			max_blocks;
81 static bool			native_arch;
82 
83 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
84 
85 enum perf_output_field {
86 	PERF_OUTPUT_COMM            = 1ULL << 0,
87 	PERF_OUTPUT_TID             = 1ULL << 1,
88 	PERF_OUTPUT_PID             = 1ULL << 2,
89 	PERF_OUTPUT_TIME            = 1ULL << 3,
90 	PERF_OUTPUT_CPU             = 1ULL << 4,
91 	PERF_OUTPUT_EVNAME          = 1ULL << 5,
92 	PERF_OUTPUT_TRACE           = 1ULL << 6,
93 	PERF_OUTPUT_IP              = 1ULL << 7,
94 	PERF_OUTPUT_SYM             = 1ULL << 8,
95 	PERF_OUTPUT_DSO             = 1ULL << 9,
96 	PERF_OUTPUT_ADDR            = 1ULL << 10,
97 	PERF_OUTPUT_SYMOFFSET       = 1ULL << 11,
98 	PERF_OUTPUT_SRCLINE         = 1ULL << 12,
99 	PERF_OUTPUT_PERIOD          = 1ULL << 13,
100 	PERF_OUTPUT_IREGS	    = 1ULL << 14,
101 	PERF_OUTPUT_BRSTACK	    = 1ULL << 15,
102 	PERF_OUTPUT_BRSTACKSYM	    = 1ULL << 16,
103 	PERF_OUTPUT_DATA_SRC	    = 1ULL << 17,
104 	PERF_OUTPUT_WEIGHT	    = 1ULL << 18,
105 	PERF_OUTPUT_BPF_OUTPUT	    = 1ULL << 19,
106 	PERF_OUTPUT_CALLINDENT	    = 1ULL << 20,
107 	PERF_OUTPUT_INSN	    = 1ULL << 21,
108 	PERF_OUTPUT_INSNLEN	    = 1ULL << 22,
109 	PERF_OUTPUT_BRSTACKINSN	    = 1ULL << 23,
110 	PERF_OUTPUT_BRSTACKOFF	    = 1ULL << 24,
111 	PERF_OUTPUT_SYNTH           = 1ULL << 25,
112 	PERF_OUTPUT_PHYS_ADDR       = 1ULL << 26,
113 	PERF_OUTPUT_UREGS	    = 1ULL << 27,
114 	PERF_OUTPUT_METRIC	    = 1ULL << 28,
115 	PERF_OUTPUT_MISC            = 1ULL << 29,
116 	PERF_OUTPUT_SRCCODE	    = 1ULL << 30,
117 	PERF_OUTPUT_IPC             = 1ULL << 31,
118 	PERF_OUTPUT_TOD             = 1ULL << 32,
119 	PERF_OUTPUT_DATA_PAGE_SIZE  = 1ULL << 33,
120 };
121 
122 struct perf_script {
123 	struct perf_tool	tool;
124 	struct perf_session	*session;
125 	bool			show_task_events;
126 	bool			show_mmap_events;
127 	bool			show_switch_events;
128 	bool			show_namespace_events;
129 	bool			show_lost_events;
130 	bool			show_round_events;
131 	bool			show_bpf_events;
132 	bool			show_cgroup_events;
133 	bool			show_text_poke_events;
134 	bool			allocated;
135 	bool			per_event_dump;
136 	bool			stitch_lbr;
137 	struct evswitch		evswitch;
138 	struct perf_cpu_map	*cpus;
139 	struct perf_thread_map *threads;
140 	int			name_width;
141 	const char              *time_str;
142 	struct perf_time_interval *ptime_range;
143 	int			range_size;
144 	int			range_num;
145 };
146 
147 struct output_option {
148 	const char *str;
149 	enum perf_output_field field;
150 } all_output_options[] = {
151 	{.str = "comm",  .field = PERF_OUTPUT_COMM},
152 	{.str = "tid",   .field = PERF_OUTPUT_TID},
153 	{.str = "pid",   .field = PERF_OUTPUT_PID},
154 	{.str = "time",  .field = PERF_OUTPUT_TIME},
155 	{.str = "cpu",   .field = PERF_OUTPUT_CPU},
156 	{.str = "event", .field = PERF_OUTPUT_EVNAME},
157 	{.str = "trace", .field = PERF_OUTPUT_TRACE},
158 	{.str = "ip",    .field = PERF_OUTPUT_IP},
159 	{.str = "sym",   .field = PERF_OUTPUT_SYM},
160 	{.str = "dso",   .field = PERF_OUTPUT_DSO},
161 	{.str = "addr",  .field = PERF_OUTPUT_ADDR},
162 	{.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
163 	{.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
164 	{.str = "period", .field = PERF_OUTPUT_PERIOD},
165 	{.str = "iregs", .field = PERF_OUTPUT_IREGS},
166 	{.str = "uregs", .field = PERF_OUTPUT_UREGS},
167 	{.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
168 	{.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
169 	{.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
170 	{.str = "weight",   .field = PERF_OUTPUT_WEIGHT},
171 	{.str = "bpf-output",   .field = PERF_OUTPUT_BPF_OUTPUT},
172 	{.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
173 	{.str = "insn", .field = PERF_OUTPUT_INSN},
174 	{.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
175 	{.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
176 	{.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
177 	{.str = "synth", .field = PERF_OUTPUT_SYNTH},
178 	{.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
179 	{.str = "metric", .field = PERF_OUTPUT_METRIC},
180 	{.str = "misc", .field = PERF_OUTPUT_MISC},
181 	{.str = "srccode", .field = PERF_OUTPUT_SRCCODE},
182 	{.str = "ipc", .field = PERF_OUTPUT_IPC},
183 	{.str = "tod", .field = PERF_OUTPUT_TOD},
184 	{.str = "data_page_size", .field = PERF_OUTPUT_DATA_PAGE_SIZE},
185 };
186 
187 enum {
188 	OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
189 	OUTPUT_TYPE_OTHER,
190 	OUTPUT_TYPE_MAX
191 };
192 
193 /* default set to maintain compatibility with current format */
194 static struct {
195 	bool user_set;
196 	bool wildcard_set;
197 	unsigned int print_ip_opts;
198 	u64 fields;
199 	u64 invalid_fields;
200 	u64 user_set_fields;
201 	u64 user_unset_fields;
202 } output[OUTPUT_TYPE_MAX] = {
203 
204 	[PERF_TYPE_HARDWARE] = {
205 		.user_set = false,
206 
207 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
208 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
209 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
210 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
211 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
212 
213 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
214 	},
215 
216 	[PERF_TYPE_SOFTWARE] = {
217 		.user_set = false,
218 
219 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
220 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
221 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
222 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
223 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
224 			      PERF_OUTPUT_BPF_OUTPUT,
225 
226 		.invalid_fields = PERF_OUTPUT_TRACE,
227 	},
228 
229 	[PERF_TYPE_TRACEPOINT] = {
230 		.user_set = false,
231 
232 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
233 				  PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
234 				  PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
235 	},
236 
237 	[PERF_TYPE_HW_CACHE] = {
238 		.user_set = false,
239 
240 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
241 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
242 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
243 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
244 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
245 
246 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
247 	},
248 
249 	[PERF_TYPE_RAW] = {
250 		.user_set = false,
251 
252 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
253 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
254 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
255 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
256 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
257 			      PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
258 			      PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR |
259 			      PERF_OUTPUT_DATA_PAGE_SIZE,
260 
261 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
262 	},
263 
264 	[PERF_TYPE_BREAKPOINT] = {
265 		.user_set = false,
266 
267 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
268 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
269 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
270 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
271 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
272 
273 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
274 	},
275 
276 	[OUTPUT_TYPE_SYNTH] = {
277 		.user_set = false,
278 
279 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
280 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
281 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
282 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
283 			      PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH,
284 
285 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
286 	},
287 
288 	[OUTPUT_TYPE_OTHER] = {
289 		.user_set = false,
290 
291 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
292 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
293 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
294 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
295 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
296 
297 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
298 	},
299 };
300 
301 struct evsel_script {
302        char *filename;
303        FILE *fp;
304        u64  samples;
305        /* For metric output */
306        u64  val;
307        int  gnum;
308 };
309 
310 static inline struct evsel_script *evsel_script(struct evsel *evsel)
311 {
312 	return (struct evsel_script *)evsel->priv;
313 }
314 
315 static struct evsel_script *perf_evsel_script__new(struct evsel *evsel,
316 							struct perf_data *data)
317 {
318 	struct evsel_script *es = zalloc(sizeof(*es));
319 
320 	if (es != NULL) {
321 		if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0)
322 			goto out_free;
323 		es->fp = fopen(es->filename, "w");
324 		if (es->fp == NULL)
325 			goto out_free_filename;
326 	}
327 
328 	return es;
329 out_free_filename:
330 	zfree(&es->filename);
331 out_free:
332 	free(es);
333 	return NULL;
334 }
335 
336 static void perf_evsel_script__delete(struct evsel_script *es)
337 {
338 	zfree(&es->filename);
339 	fclose(es->fp);
340 	es->fp = NULL;
341 	free(es);
342 }
343 
344 static int perf_evsel_script__fprintf(struct evsel_script *es, FILE *fp)
345 {
346 	struct stat st;
347 
348 	fstat(fileno(es->fp), &st);
349 	return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
350 		       st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
351 }
352 
353 static inline int output_type(unsigned int type)
354 {
355 	switch (type) {
356 	case PERF_TYPE_SYNTH:
357 		return OUTPUT_TYPE_SYNTH;
358 	default:
359 		if (type < PERF_TYPE_MAX)
360 			return type;
361 	}
362 
363 	return OUTPUT_TYPE_OTHER;
364 }
365 
366 static inline unsigned int attr_type(unsigned int type)
367 {
368 	switch (type) {
369 	case OUTPUT_TYPE_SYNTH:
370 		return PERF_TYPE_SYNTH;
371 	default:
372 		return type;
373 	}
374 }
375 
376 static bool output_set_by_user(void)
377 {
378 	int j;
379 	for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
380 		if (output[j].user_set)
381 			return true;
382 	}
383 	return false;
384 }
385 
386 static const char *output_field2str(enum perf_output_field field)
387 {
388 	int i, imax = ARRAY_SIZE(all_output_options);
389 	const char *str = "";
390 
391 	for (i = 0; i < imax; ++i) {
392 		if (all_output_options[i].field == field) {
393 			str = all_output_options[i].str;
394 			break;
395 		}
396 	}
397 	return str;
398 }
399 
400 #define PRINT_FIELD(x)  (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
401 
402 static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
403 				 enum perf_output_field field, bool allow_user_set)
404 {
405 	struct perf_event_attr *attr = &evsel->core.attr;
406 	int type = output_type(attr->type);
407 	const char *evname;
408 
409 	if (attr->sample_type & sample_type)
410 		return 0;
411 
412 	if (output[type].user_set_fields & field) {
413 		if (allow_user_set)
414 			return 0;
415 		evname = evsel__name(evsel);
416 		pr_err("Samples for '%s' event do not have %s attribute set. "
417 		       "Cannot print '%s' field.\n",
418 		       evname, sample_msg, output_field2str(field));
419 		return -1;
420 	}
421 
422 	/* user did not ask for it explicitly so remove from the default list */
423 	output[type].fields &= ~field;
424 	evname = evsel__name(evsel);
425 	pr_debug("Samples for '%s' event do not have %s attribute set. "
426 		 "Skipping '%s' field.\n",
427 		 evname, sample_msg, output_field2str(field));
428 
429 	return 0;
430 }
431 
432 static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
433 			      enum perf_output_field field)
434 {
435 	return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false);
436 }
437 
438 static int evsel__check_attr(struct evsel *evsel, struct perf_session *session)
439 {
440 	struct perf_event_attr *attr = &evsel->core.attr;
441 	bool allow_user_set;
442 
443 	if (perf_header__has_feat(&session->header, HEADER_STAT))
444 		return 0;
445 
446 	allow_user_set = perf_header__has_feat(&session->header,
447 					       HEADER_AUXTRACE);
448 
449 	if (PRINT_FIELD(TRACE) &&
450 	    !perf_session__has_traces(session, "record -R"))
451 		return -EINVAL;
452 
453 	if (PRINT_FIELD(IP)) {
454 		if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP))
455 			return -EINVAL;
456 	}
457 
458 	if (PRINT_FIELD(ADDR) &&
459 	    evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set))
460 		return -EINVAL;
461 
462 	if (PRINT_FIELD(DATA_SRC) &&
463 	    evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC))
464 		return -EINVAL;
465 
466 	if (PRINT_FIELD(WEIGHT) &&
467 	    evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT", PERF_OUTPUT_WEIGHT))
468 		return -EINVAL;
469 
470 	if (PRINT_FIELD(SYM) &&
471 	    !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
472 		pr_err("Display of symbols requested but neither sample IP nor "
473 			   "sample address\navailable. Hence, no addresses to convert "
474 		       "to symbols.\n");
475 		return -EINVAL;
476 	}
477 	if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
478 		pr_err("Display of offsets requested but symbol is not"
479 		       "selected.\n");
480 		return -EINVAL;
481 	}
482 	if (PRINT_FIELD(DSO) &&
483 	    !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
484 		pr_err("Display of DSO requested but no address to convert.\n");
485 		return -EINVAL;
486 	}
487 	if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) {
488 		pr_err("Display of source line number requested but sample IP is not\n"
489 		       "selected. Hence, no address to lookup the source line number.\n");
490 		return -EINVAL;
491 	}
492 	if (PRINT_FIELD(BRSTACKINSN) && !allow_user_set &&
493 	    !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) {
494 		pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
495 		       "Hint: run 'perf record -b ...'\n");
496 		return -EINVAL;
497 	}
498 	if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
499 	    evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID))
500 		return -EINVAL;
501 
502 	if (PRINT_FIELD(TIME) &&
503 	    evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME))
504 		return -EINVAL;
505 
506 	if (PRINT_FIELD(CPU) &&
507 	    evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set))
508 		return -EINVAL;
509 
510 	if (PRINT_FIELD(IREGS) &&
511 	    evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set))
512 		return -EINVAL;
513 
514 	if (PRINT_FIELD(UREGS) &&
515 	    evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS))
516 		return -EINVAL;
517 
518 	if (PRINT_FIELD(PHYS_ADDR) &&
519 	    evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR))
520 		return -EINVAL;
521 
522 	if (PRINT_FIELD(DATA_PAGE_SIZE) &&
523 	    evsel__check_stype(evsel, PERF_SAMPLE_DATA_PAGE_SIZE, "DATA_PAGE_SIZE", PERF_OUTPUT_DATA_PAGE_SIZE))
524 		return -EINVAL;
525 
526 	return 0;
527 }
528 
529 static void set_print_ip_opts(struct perf_event_attr *attr)
530 {
531 	unsigned int type = output_type(attr->type);
532 
533 	output[type].print_ip_opts = 0;
534 	if (PRINT_FIELD(IP))
535 		output[type].print_ip_opts |= EVSEL__PRINT_IP;
536 
537 	if (PRINT_FIELD(SYM))
538 		output[type].print_ip_opts |= EVSEL__PRINT_SYM;
539 
540 	if (PRINT_FIELD(DSO))
541 		output[type].print_ip_opts |= EVSEL__PRINT_DSO;
542 
543 	if (PRINT_FIELD(SYMOFFSET))
544 		output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
545 
546 	if (PRINT_FIELD(SRCLINE))
547 		output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
548 }
549 
550 /*
551  * verify all user requested events exist and the samples
552  * have the expected data
553  */
554 static int perf_session__check_output_opt(struct perf_session *session)
555 {
556 	bool tod = false;
557 	unsigned int j;
558 	struct evsel *evsel;
559 
560 	for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
561 		evsel = perf_session__find_first_evtype(session, attr_type(j));
562 
563 		/*
564 		 * even if fields is set to 0 (ie., show nothing) event must
565 		 * exist if user explicitly includes it on the command line
566 		 */
567 		if (!evsel && output[j].user_set && !output[j].wildcard_set &&
568 		    j != OUTPUT_TYPE_SYNTH) {
569 			pr_err("%s events do not exist. "
570 			       "Remove corresponding -F option to proceed.\n",
571 			       event_type(j));
572 			return -1;
573 		}
574 
575 		if (evsel && output[j].fields &&
576 			evsel__check_attr(evsel, session))
577 			return -1;
578 
579 		if (evsel == NULL)
580 			continue;
581 
582 		set_print_ip_opts(&evsel->core.attr);
583 		tod |= output[j].fields & PERF_OUTPUT_TOD;
584 	}
585 
586 	if (!no_callchain) {
587 		bool use_callchain = false;
588 		bool not_pipe = false;
589 
590 		evlist__for_each_entry(session->evlist, evsel) {
591 			not_pipe = true;
592 			if (evsel__has_callchain(evsel)) {
593 				use_callchain = true;
594 				break;
595 			}
596 		}
597 		if (not_pipe && !use_callchain)
598 			symbol_conf.use_callchain = false;
599 	}
600 
601 	/*
602 	 * set default for tracepoints to print symbols only
603 	 * if callchains are present
604 	 */
605 	if (symbol_conf.use_callchain &&
606 	    !output[PERF_TYPE_TRACEPOINT].user_set) {
607 		j = PERF_TYPE_TRACEPOINT;
608 
609 		evlist__for_each_entry(session->evlist, evsel) {
610 			if (evsel->core.attr.type != j)
611 				continue;
612 
613 			if (evsel__has_callchain(evsel)) {
614 				output[j].fields |= PERF_OUTPUT_IP;
615 				output[j].fields |= PERF_OUTPUT_SYM;
616 				output[j].fields |= PERF_OUTPUT_SYMOFFSET;
617 				output[j].fields |= PERF_OUTPUT_DSO;
618 				set_print_ip_opts(&evsel->core.attr);
619 				goto out;
620 			}
621 		}
622 	}
623 
624 	if (tod && !session->header.env.clock.enabled) {
625 		pr_err("Can't provide 'tod' time, missing clock data. "
626 		       "Please record with -k/--clockid option.\n");
627 		return -1;
628 	}
629 out:
630 	return 0;
631 }
632 
633 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask,
634 				     FILE *fp)
635 {
636 	unsigned i = 0, r;
637 	int printed = 0;
638 
639 	if (!regs || !regs->regs)
640 		return 0;
641 
642 	printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
643 
644 	for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
645 		u64 val = regs->regs[i++];
646 		printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
647 	}
648 
649 	return printed;
650 }
651 
652 #define DEFAULT_TOD_FMT "%F %H:%M:%S"
653 
654 static char*
655 tod_scnprintf(struct perf_script *script, char *buf, int buflen,
656 	     u64 timestamp)
657 {
658 	u64 tod_ns, clockid_ns;
659 	struct perf_env *env;
660 	unsigned long nsec;
661 	struct tm ltime;
662 	char date[64];
663 	time_t sec;
664 
665 	buf[0] = '\0';
666 	if (buflen < 64 || !script)
667 		return buf;
668 
669 	env = &script->session->header.env;
670 	if (!env->clock.enabled) {
671 		scnprintf(buf, buflen, "disabled");
672 		return buf;
673 	}
674 
675 	clockid_ns = env->clock.clockid_ns;
676 	tod_ns     = env->clock.tod_ns;
677 
678 	if (timestamp > clockid_ns)
679 		tod_ns += timestamp - clockid_ns;
680 	else
681 		tod_ns -= clockid_ns - timestamp;
682 
683 	sec  = (time_t) (tod_ns / NSEC_PER_SEC);
684 	nsec = tod_ns - sec * NSEC_PER_SEC;
685 
686 	if (localtime_r(&sec, &ltime) == NULL) {
687 		scnprintf(buf, buflen, "failed");
688 	} else {
689 		strftime(date, sizeof(date), DEFAULT_TOD_FMT, &ltime);
690 
691 		if (symbol_conf.nanosecs) {
692 			snprintf(buf, buflen, "%s.%09lu", date, nsec);
693 		} else {
694 			snprintf(buf, buflen, "%s.%06lu",
695 				 date, nsec / NSEC_PER_USEC);
696 		}
697 	}
698 
699 	return buf;
700 }
701 
702 static int perf_sample__fprintf_iregs(struct perf_sample *sample,
703 				      struct perf_event_attr *attr, FILE *fp)
704 {
705 	return perf_sample__fprintf_regs(&sample->intr_regs,
706 					 attr->sample_regs_intr, fp);
707 }
708 
709 static int perf_sample__fprintf_uregs(struct perf_sample *sample,
710 				      struct perf_event_attr *attr, FILE *fp)
711 {
712 	return perf_sample__fprintf_regs(&sample->user_regs,
713 					 attr->sample_regs_user, fp);
714 }
715 
716 static int perf_sample__fprintf_start(struct perf_script *script,
717 				      struct perf_sample *sample,
718 				      struct thread *thread,
719 				      struct evsel *evsel,
720 				      u32 type, FILE *fp)
721 {
722 	struct perf_event_attr *attr = &evsel->core.attr;
723 	unsigned long secs;
724 	unsigned long long nsecs;
725 	int printed = 0;
726 	char tstr[128];
727 
728 	if (PRINT_FIELD(COMM)) {
729 		const char *comm = thread ? thread__comm_str(thread) : ":-1";
730 
731 		if (latency_format)
732 			printed += fprintf(fp, "%8.8s ", comm);
733 		else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
734 			printed += fprintf(fp, "%s ", comm);
735 		else
736 			printed += fprintf(fp, "%16s ", comm);
737 	}
738 
739 	if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
740 		printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid);
741 	else if (PRINT_FIELD(PID))
742 		printed += fprintf(fp, "%5d ", sample->pid);
743 	else if (PRINT_FIELD(TID))
744 		printed += fprintf(fp, "%5d ", sample->tid);
745 
746 	if (PRINT_FIELD(CPU)) {
747 		if (latency_format)
748 			printed += fprintf(fp, "%3d ", sample->cpu);
749 		else
750 			printed += fprintf(fp, "[%03d] ", sample->cpu);
751 	}
752 
753 	if (PRINT_FIELD(MISC)) {
754 		int ret = 0;
755 
756 		#define has(m) \
757 			(sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
758 
759 		if (has(KERNEL))
760 			ret += fprintf(fp, "K");
761 		if (has(USER))
762 			ret += fprintf(fp, "U");
763 		if (has(HYPERVISOR))
764 			ret += fprintf(fp, "H");
765 		if (has(GUEST_KERNEL))
766 			ret += fprintf(fp, "G");
767 		if (has(GUEST_USER))
768 			ret += fprintf(fp, "g");
769 
770 		switch (type) {
771 		case PERF_RECORD_MMAP:
772 		case PERF_RECORD_MMAP2:
773 			if (has(MMAP_DATA))
774 				ret += fprintf(fp, "M");
775 			break;
776 		case PERF_RECORD_COMM:
777 			if (has(COMM_EXEC))
778 				ret += fprintf(fp, "E");
779 			break;
780 		case PERF_RECORD_SWITCH:
781 		case PERF_RECORD_SWITCH_CPU_WIDE:
782 			if (has(SWITCH_OUT)) {
783 				ret += fprintf(fp, "S");
784 				if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
785 					ret += fprintf(fp, "p");
786 			}
787 		default:
788 			break;
789 		}
790 
791 		#undef has
792 
793 		ret += fprintf(fp, "%*s", 6 - ret, " ");
794 		printed += ret;
795 	}
796 
797 	if (PRINT_FIELD(TOD)) {
798 		tod_scnprintf(script, tstr, sizeof(tstr), sample->time);
799 		printed += fprintf(fp, "%s ", tstr);
800 	}
801 
802 	if (PRINT_FIELD(TIME)) {
803 		u64 t = sample->time;
804 		if (reltime) {
805 			if (!initial_time)
806 				initial_time = sample->time;
807 			t = sample->time - initial_time;
808 		} else if (deltatime) {
809 			if (previous_time)
810 				t = sample->time - previous_time;
811 			else {
812 				t = 0;
813 			}
814 			previous_time = sample->time;
815 		}
816 		nsecs = t;
817 		secs = nsecs / NSEC_PER_SEC;
818 		nsecs -= secs * NSEC_PER_SEC;
819 
820 		if (symbol_conf.nanosecs)
821 			printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
822 		else {
823 			char sample_time[32];
824 			timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time));
825 			printed += fprintf(fp, "%12s: ", sample_time);
826 		}
827 	}
828 
829 	return printed;
830 }
831 
832 static inline char
833 mispred_str(struct branch_entry *br)
834 {
835 	if (!(br->flags.mispred  || br->flags.predicted))
836 		return '-';
837 
838 	return br->flags.predicted ? 'P' : 'M';
839 }
840 
841 static int perf_sample__fprintf_brstack(struct perf_sample *sample,
842 					struct thread *thread,
843 					struct perf_event_attr *attr, FILE *fp)
844 {
845 	struct branch_stack *br = sample->branch_stack;
846 	struct branch_entry *entries = perf_sample__branch_entries(sample);
847 	struct addr_location alf, alt;
848 	u64 i, from, to;
849 	int printed = 0;
850 
851 	if (!(br && br->nr))
852 		return 0;
853 
854 	for (i = 0; i < br->nr; i++) {
855 		from = entries[i].from;
856 		to   = entries[i].to;
857 
858 		if (PRINT_FIELD(DSO)) {
859 			memset(&alf, 0, sizeof(alf));
860 			memset(&alt, 0, sizeof(alt));
861 			thread__find_map_fb(thread, sample->cpumode, from, &alf);
862 			thread__find_map_fb(thread, sample->cpumode, to, &alt);
863 		}
864 
865 		printed += fprintf(fp, " 0x%"PRIx64, from);
866 		if (PRINT_FIELD(DSO)) {
867 			printed += fprintf(fp, "(");
868 			printed += map__fprintf_dsoname(alf.map, fp);
869 			printed += fprintf(fp, ")");
870 		}
871 
872 		printed += fprintf(fp, "/0x%"PRIx64, to);
873 		if (PRINT_FIELD(DSO)) {
874 			printed += fprintf(fp, "(");
875 			printed += map__fprintf_dsoname(alt.map, fp);
876 			printed += fprintf(fp, ")");
877 		}
878 
879 		printed += fprintf(fp, "/%c/%c/%c/%d ",
880 			mispred_str(entries + i),
881 			entries[i].flags.in_tx ? 'X' : '-',
882 			entries[i].flags.abort ? 'A' : '-',
883 			entries[i].flags.cycles);
884 	}
885 
886 	return printed;
887 }
888 
889 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
890 					   struct thread *thread,
891 					   struct perf_event_attr *attr, FILE *fp)
892 {
893 	struct branch_stack *br = sample->branch_stack;
894 	struct branch_entry *entries = perf_sample__branch_entries(sample);
895 	struct addr_location alf, alt;
896 	u64 i, from, to;
897 	int printed = 0;
898 
899 	if (!(br && br->nr))
900 		return 0;
901 
902 	for (i = 0; i < br->nr; i++) {
903 
904 		memset(&alf, 0, sizeof(alf));
905 		memset(&alt, 0, sizeof(alt));
906 		from = entries[i].from;
907 		to   = entries[i].to;
908 
909 		thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
910 		thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
911 
912 		printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
913 		if (PRINT_FIELD(DSO)) {
914 			printed += fprintf(fp, "(");
915 			printed += map__fprintf_dsoname(alf.map, fp);
916 			printed += fprintf(fp, ")");
917 		}
918 		printed += fprintf(fp, "%c", '/');
919 		printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
920 		if (PRINT_FIELD(DSO)) {
921 			printed += fprintf(fp, "(");
922 			printed += map__fprintf_dsoname(alt.map, fp);
923 			printed += fprintf(fp, ")");
924 		}
925 		printed += fprintf(fp, "/%c/%c/%c/%d ",
926 			mispred_str(entries + i),
927 			entries[i].flags.in_tx ? 'X' : '-',
928 			entries[i].flags.abort ? 'A' : '-',
929 			entries[i].flags.cycles);
930 	}
931 
932 	return printed;
933 }
934 
935 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
936 					   struct thread *thread,
937 					   struct perf_event_attr *attr, FILE *fp)
938 {
939 	struct branch_stack *br = sample->branch_stack;
940 	struct branch_entry *entries = perf_sample__branch_entries(sample);
941 	struct addr_location alf, alt;
942 	u64 i, from, to;
943 	int printed = 0;
944 
945 	if (!(br && br->nr))
946 		return 0;
947 
948 	for (i = 0; i < br->nr; i++) {
949 
950 		memset(&alf, 0, sizeof(alf));
951 		memset(&alt, 0, sizeof(alt));
952 		from = entries[i].from;
953 		to   = entries[i].to;
954 
955 		if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
956 		    !alf.map->dso->adjust_symbols)
957 			from = map__map_ip(alf.map, from);
958 
959 		if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
960 		    !alt.map->dso->adjust_symbols)
961 			to = map__map_ip(alt.map, to);
962 
963 		printed += fprintf(fp, " 0x%"PRIx64, from);
964 		if (PRINT_FIELD(DSO)) {
965 			printed += fprintf(fp, "(");
966 			printed += map__fprintf_dsoname(alf.map, fp);
967 			printed += fprintf(fp, ")");
968 		}
969 		printed += fprintf(fp, "/0x%"PRIx64, to);
970 		if (PRINT_FIELD(DSO)) {
971 			printed += fprintf(fp, "(");
972 			printed += map__fprintf_dsoname(alt.map, fp);
973 			printed += fprintf(fp, ")");
974 		}
975 		printed += fprintf(fp, "/%c/%c/%c/%d ",
976 			mispred_str(entries + i),
977 			entries[i].flags.in_tx ? 'X' : '-',
978 			entries[i].flags.abort ? 'A' : '-',
979 			entries[i].flags.cycles);
980 	}
981 
982 	return printed;
983 }
984 #define MAXBB 16384UL
985 
986 static int grab_bb(u8 *buffer, u64 start, u64 end,
987 		    struct machine *machine, struct thread *thread,
988 		    bool *is64bit, u8 *cpumode, bool last)
989 {
990 	long offset, len;
991 	struct addr_location al;
992 	bool kernel;
993 
994 	if (!start || !end)
995 		return 0;
996 
997 	kernel = machine__kernel_ip(machine, start);
998 	if (kernel)
999 		*cpumode = PERF_RECORD_MISC_KERNEL;
1000 	else
1001 		*cpumode = PERF_RECORD_MISC_USER;
1002 
1003 	/*
1004 	 * Block overlaps between kernel and user.
1005 	 * This can happen due to ring filtering
1006 	 * On Intel CPUs the entry into the kernel is filtered,
1007 	 * but the exit is not. Let the caller patch it up.
1008 	 */
1009 	if (kernel != machine__kernel_ip(machine, end)) {
1010 		pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
1011 		return -ENXIO;
1012 	}
1013 
1014 	memset(&al, 0, sizeof(al));
1015 	if (end - start > MAXBB - MAXINSN) {
1016 		if (last)
1017 			pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
1018 		else
1019 			pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
1020 		return 0;
1021 	}
1022 
1023 	if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) {
1024 		pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1025 		return 0;
1026 	}
1027 	if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
1028 		pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1029 		return 0;
1030 	}
1031 
1032 	/* Load maps to ensure dso->is_64_bit has been updated */
1033 	map__load(al.map);
1034 
1035 	offset = al.map->map_ip(al.map, start);
1036 	len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer,
1037 				    end - start + MAXINSN);
1038 
1039 	*is64bit = al.map->dso->is_64_bit;
1040 	if (len <= 0)
1041 		pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
1042 			start, end);
1043 	return len;
1044 }
1045 
1046 static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state)
1047 {
1048 	char *srcfile;
1049 	int ret = 0;
1050 	unsigned line;
1051 	int len;
1052 	char *srccode;
1053 
1054 	if (!map || !map->dso)
1055 		return 0;
1056 	srcfile = get_srcline_split(map->dso,
1057 				    map__rip_2objdump(map, addr),
1058 				    &line);
1059 	if (!srcfile)
1060 		return 0;
1061 
1062 	/* Avoid redundant printing */
1063 	if (state &&
1064 	    state->srcfile &&
1065 	    !strcmp(state->srcfile, srcfile) &&
1066 	    state->line == line) {
1067 		free(srcfile);
1068 		return 0;
1069 	}
1070 
1071 	srccode = find_sourceline(srcfile, line, &len);
1072 	if (!srccode)
1073 		goto out_free_line;
1074 
1075 	ret = fprintf(fp, "|%-8d %.*s", line, len, srccode);
1076 
1077 	if (state) {
1078 		state->srcfile = srcfile;
1079 		state->line = line;
1080 	}
1081 	return ret;
1082 
1083 out_free_line:
1084 	free(srcfile);
1085 	return ret;
1086 }
1087 
1088 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr)
1089 {
1090 	struct addr_location al;
1091 	int ret = 0;
1092 
1093 	memset(&al, 0, sizeof(al));
1094 	thread__find_map(thread, cpumode, addr, &al);
1095 	if (!al.map)
1096 		return 0;
1097 	ret = map__fprintf_srccode(al.map, al.addr, stdout,
1098 		    &thread->srccode_state);
1099 	if (ret)
1100 		ret += printf("\n");
1101 	return ret;
1102 }
1103 
1104 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
1105 			    struct perf_insn *x, u8 *inbuf, int len,
1106 			    int insn, FILE *fp, int *total_cycles)
1107 {
1108 	int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip,
1109 			      dump_insn(x, ip, inbuf, len, NULL),
1110 			      en->flags.predicted ? " PRED" : "",
1111 			      en->flags.mispred ? " MISPRED" : "",
1112 			      en->flags.in_tx ? " INTX" : "",
1113 			      en->flags.abort ? " ABORT" : "");
1114 	if (en->flags.cycles) {
1115 		*total_cycles += en->flags.cycles;
1116 		printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles);
1117 		if (insn)
1118 			printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
1119 	}
1120 	return printed + fprintf(fp, "\n");
1121 }
1122 
1123 static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
1124 			   u8 cpumode, int cpu, struct symbol **lastsym,
1125 			   struct perf_event_attr *attr, FILE *fp)
1126 {
1127 	struct addr_location al;
1128 	int off, printed = 0;
1129 
1130 	memset(&al, 0, sizeof(al));
1131 
1132 	thread__find_map(thread, cpumode, addr, &al);
1133 
1134 	if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
1135 		return 0;
1136 
1137 	al.cpu = cpu;
1138 	al.sym = NULL;
1139 	if (al.map)
1140 		al.sym = map__find_symbol(al.map, al.addr);
1141 
1142 	if (!al.sym)
1143 		return 0;
1144 
1145 	if (al.addr < al.sym->end)
1146 		off = al.addr - al.sym->start;
1147 	else
1148 		off = al.addr - al.map->start - al.sym->start;
1149 	printed += fprintf(fp, "\t%s", al.sym->name);
1150 	if (off)
1151 		printed += fprintf(fp, "%+d", off);
1152 	printed += fprintf(fp, ":");
1153 	if (PRINT_FIELD(SRCLINE))
1154 		printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
1155 	printed += fprintf(fp, "\n");
1156 	*lastsym = al.sym;
1157 
1158 	return printed;
1159 }
1160 
1161 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
1162 					    struct thread *thread,
1163 					    struct perf_event_attr *attr,
1164 					    struct machine *machine, FILE *fp)
1165 {
1166 	struct branch_stack *br = sample->branch_stack;
1167 	struct branch_entry *entries = perf_sample__branch_entries(sample);
1168 	u64 start, end;
1169 	int i, insn, len, nr, ilen, printed = 0;
1170 	struct perf_insn x;
1171 	u8 buffer[MAXBB];
1172 	unsigned off;
1173 	struct symbol *lastsym = NULL;
1174 	int total_cycles = 0;
1175 
1176 	if (!(br && br->nr))
1177 		return 0;
1178 	nr = br->nr;
1179 	if (max_blocks && nr > max_blocks + 1)
1180 		nr = max_blocks + 1;
1181 
1182 	x.thread = thread;
1183 	x.cpu = sample->cpu;
1184 
1185 	printed += fprintf(fp, "%c", '\n');
1186 
1187 	/* Handle first from jump, of which we don't know the entry. */
1188 	len = grab_bb(buffer, entries[nr-1].from,
1189 			entries[nr-1].from,
1190 			machine, thread, &x.is64bit, &x.cpumode, false);
1191 	if (len > 0) {
1192 		printed += ip__fprintf_sym(entries[nr - 1].from, thread,
1193 					   x.cpumode, x.cpu, &lastsym, attr, fp);
1194 		printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1],
1195 					    &x, buffer, len, 0, fp, &total_cycles);
1196 		if (PRINT_FIELD(SRCCODE))
1197 			printed += print_srccode(thread, x.cpumode, entries[nr - 1].from);
1198 	}
1199 
1200 	/* Print all blocks */
1201 	for (i = nr - 2; i >= 0; i--) {
1202 		if (entries[i].from || entries[i].to)
1203 			pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1204 				 entries[i].from,
1205 				 entries[i].to);
1206 		start = entries[i + 1].to;
1207 		end   = entries[i].from;
1208 
1209 		len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1210 		/* Patch up missing kernel transfers due to ring filters */
1211 		if (len == -ENXIO && i > 0) {
1212 			end = entries[--i].from;
1213 			pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1214 			len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1215 		}
1216 		if (len <= 0)
1217 			continue;
1218 
1219 		insn = 0;
1220 		for (off = 0; off < (unsigned)len; off += ilen) {
1221 			uint64_t ip = start + off;
1222 
1223 			printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1224 			if (ip == end) {
1225 				printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp,
1226 							    &total_cycles);
1227 				if (PRINT_FIELD(SRCCODE))
1228 					printed += print_srccode(thread, x.cpumode, ip);
1229 				break;
1230 			} else {
1231 				ilen = 0;
1232 				printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip,
1233 						   dump_insn(&x, ip, buffer + off, len - off, &ilen));
1234 				if (ilen == 0)
1235 					break;
1236 				if (PRINT_FIELD(SRCCODE))
1237 					print_srccode(thread, x.cpumode, ip);
1238 				insn++;
1239 			}
1240 		}
1241 		if (off != end - start)
1242 			printed += fprintf(fp, "\tmismatch of LBR data and executable\n");
1243 	}
1244 
1245 	/*
1246 	 * Hit the branch? In this case we are already done, and the target
1247 	 * has not been executed yet.
1248 	 */
1249 	if (entries[0].from == sample->ip)
1250 		goto out;
1251 	if (entries[0].flags.abort)
1252 		goto out;
1253 
1254 	/*
1255 	 * Print final block upto sample
1256 	 *
1257 	 * Due to pipeline delays the LBRs might be missing a branch
1258 	 * or two, which can result in very large or negative blocks
1259 	 * between final branch and sample. When this happens just
1260 	 * continue walking after the last TO until we hit a branch.
1261 	 */
1262 	start = entries[0].to;
1263 	end = sample->ip;
1264 	if (end < start) {
1265 		/* Missing jump. Scan 128 bytes for the next branch */
1266 		end = start + 128;
1267 	}
1268 	len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1269 	printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1270 	if (len <= 0) {
1271 		/* Print at least last IP if basic block did not work */
1272 		len = grab_bb(buffer, sample->ip, sample->ip,
1273 			      machine, thread, &x.is64bit, &x.cpumode, false);
1274 		if (len <= 0)
1275 			goto out;
1276 		printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip,
1277 			dump_insn(&x, sample->ip, buffer, len, NULL));
1278 		if (PRINT_FIELD(SRCCODE))
1279 			print_srccode(thread, x.cpumode, sample->ip);
1280 		goto out;
1281 	}
1282 	for (off = 0; off <= end - start; off += ilen) {
1283 		ilen = 0;
1284 		printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off,
1285 				   dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1286 		if (ilen == 0)
1287 			break;
1288 		if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) {
1289 			/*
1290 			 * Hit a missing branch. Just stop.
1291 			 */
1292 			printed += fprintf(fp, "\t... not reaching sample ...\n");
1293 			break;
1294 		}
1295 		if (PRINT_FIELD(SRCCODE))
1296 			print_srccode(thread, x.cpumode, start + off);
1297 	}
1298 out:
1299 	return printed;
1300 }
1301 
1302 static int perf_sample__fprintf_addr(struct perf_sample *sample,
1303 				     struct thread *thread,
1304 				     struct perf_event_attr *attr, FILE *fp)
1305 {
1306 	struct addr_location al;
1307 	int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1308 
1309 	if (!sample_addr_correlates_sym(attr))
1310 		goto out;
1311 
1312 	thread__resolve(thread, &al, sample);
1313 
1314 	if (PRINT_FIELD(SYM)) {
1315 		printed += fprintf(fp, " ");
1316 		if (PRINT_FIELD(SYMOFFSET))
1317 			printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1318 		else
1319 			printed += symbol__fprintf_symname(al.sym, fp);
1320 	}
1321 
1322 	if (PRINT_FIELD(DSO)) {
1323 		printed += fprintf(fp, " (");
1324 		printed += map__fprintf_dsoname(al.map, fp);
1325 		printed += fprintf(fp, ")");
1326 	}
1327 out:
1328 	return printed;
1329 }
1330 
1331 static const char *resolve_branch_sym(struct perf_sample *sample,
1332 				      struct evsel *evsel,
1333 				      struct thread *thread,
1334 				      struct addr_location *al,
1335 				      u64 *ip)
1336 {
1337 	struct addr_location addr_al;
1338 	struct perf_event_attr *attr = &evsel->core.attr;
1339 	const char *name = NULL;
1340 
1341 	if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1342 		if (sample_addr_correlates_sym(attr)) {
1343 			thread__resolve(thread, &addr_al, sample);
1344 			if (addr_al.sym)
1345 				name = addr_al.sym->name;
1346 			else
1347 				*ip = sample->addr;
1348 		} else {
1349 			*ip = sample->addr;
1350 		}
1351 	} else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1352 		if (al->sym)
1353 			name = al->sym->name;
1354 		else
1355 			*ip = sample->ip;
1356 	}
1357 	return name;
1358 }
1359 
1360 static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1361 					   struct evsel *evsel,
1362 					   struct thread *thread,
1363 					   struct addr_location *al, FILE *fp)
1364 {
1365 	struct perf_event_attr *attr = &evsel->core.attr;
1366 	size_t depth = thread_stack__depth(thread, sample->cpu);
1367 	const char *name = NULL;
1368 	static int spacing;
1369 	int len = 0;
1370 	int dlen = 0;
1371 	u64 ip = 0;
1372 
1373 	/*
1374 	 * The 'return' has already been popped off the stack so the depth has
1375 	 * to be adjusted to match the 'call'.
1376 	 */
1377 	if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
1378 		depth += 1;
1379 
1380 	name = resolve_branch_sym(sample, evsel, thread, al, &ip);
1381 
1382 	if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
1383 		dlen += fprintf(fp, "(");
1384 		dlen += map__fprintf_dsoname(al->map, fp);
1385 		dlen += fprintf(fp, ")\t");
1386 	}
1387 
1388 	if (name)
1389 		len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1390 	else if (ip)
1391 		len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1392 
1393 	if (len < 0)
1394 		return len;
1395 
1396 	/*
1397 	 * Try to keep the output length from changing frequently so that the
1398 	 * output lines up more nicely.
1399 	 */
1400 	if (len > spacing || (len && len < spacing - 52))
1401 		spacing = round_up(len + 4, 32);
1402 
1403 	if (len < spacing)
1404 		len += fprintf(fp, "%*s", spacing - len, "");
1405 
1406 	return len + dlen;
1407 }
1408 
1409 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused,
1410 			    struct thread *thread __maybe_unused,
1411 			    struct machine *machine __maybe_unused)
1412 {
1413 }
1414 
1415 static int perf_sample__fprintf_insn(struct perf_sample *sample,
1416 				     struct perf_event_attr *attr,
1417 				     struct thread *thread,
1418 				     struct machine *machine, FILE *fp)
1419 {
1420 	int printed = 0;
1421 
1422 	if (sample->insn_len == 0 && native_arch)
1423 		arch_fetch_insn(sample, thread, machine);
1424 
1425 	if (PRINT_FIELD(INSNLEN))
1426 		printed += fprintf(fp, " ilen: %d", sample->insn_len);
1427 	if (PRINT_FIELD(INSN) && sample->insn_len) {
1428 		int i;
1429 
1430 		printed += fprintf(fp, " insn:");
1431 		for (i = 0; i < sample->insn_len; i++)
1432 			printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
1433 	}
1434 	if (PRINT_FIELD(BRSTACKINSN))
1435 		printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
1436 
1437 	return printed;
1438 }
1439 
1440 static int perf_sample__fprintf_ipc(struct perf_sample *sample,
1441 				    struct perf_event_attr *attr, FILE *fp)
1442 {
1443 	unsigned int ipc;
1444 
1445 	if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt)
1446 		return 0;
1447 
1448 	ipc = (sample->insn_cnt * 100) / sample->cyc_cnt;
1449 
1450 	return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ",
1451 		       ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt);
1452 }
1453 
1454 static int perf_sample__fprintf_bts(struct perf_sample *sample,
1455 				    struct evsel *evsel,
1456 				    struct thread *thread,
1457 				    struct addr_location *al,
1458 				    struct machine *machine, FILE *fp)
1459 {
1460 	struct perf_event_attr *attr = &evsel->core.attr;
1461 	unsigned int type = output_type(attr->type);
1462 	bool print_srcline_last = false;
1463 	int printed = 0;
1464 
1465 	if (PRINT_FIELD(CALLINDENT))
1466 		printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp);
1467 
1468 	/* print branch_from information */
1469 	if (PRINT_FIELD(IP)) {
1470 		unsigned int print_opts = output[type].print_ip_opts;
1471 		struct callchain_cursor *cursor = NULL;
1472 
1473 		if (symbol_conf.use_callchain && sample->callchain &&
1474 		    thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1475 					      sample, NULL, NULL, scripting_max_stack) == 0)
1476 			cursor = &callchain_cursor;
1477 
1478 		if (cursor == NULL) {
1479 			printed += fprintf(fp, " ");
1480 			if (print_opts & EVSEL__PRINT_SRCLINE) {
1481 				print_srcline_last = true;
1482 				print_opts &= ~EVSEL__PRINT_SRCLINE;
1483 			}
1484 		} else
1485 			printed += fprintf(fp, "\n");
1486 
1487 		printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor,
1488 					       symbol_conf.bt_stop_list, fp);
1489 	}
1490 
1491 	/* print branch_to information */
1492 	if (PRINT_FIELD(ADDR) ||
1493 	    ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
1494 	     !output[type].user_set)) {
1495 		printed += fprintf(fp, " => ");
1496 		printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1497 	}
1498 
1499 	printed += perf_sample__fprintf_ipc(sample, attr, fp);
1500 
1501 	if (print_srcline_last)
1502 		printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
1503 
1504 	printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1505 	printed += fprintf(fp, "\n");
1506 	if (PRINT_FIELD(SRCCODE)) {
1507 		int ret = map__fprintf_srccode(al->map, al->addr, stdout,
1508 					 &thread->srccode_state);
1509 		if (ret) {
1510 			printed += ret;
1511 			printed += printf("\n");
1512 		}
1513 	}
1514 	return printed;
1515 }
1516 
1517 static struct {
1518 	u32 flags;
1519 	const char *name;
1520 } sample_flags[] = {
1521 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1522 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1523 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1524 	{PERF_IP_FLAG_BRANCH, "jmp"},
1525 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1526 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1527 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1528 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1529 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1530 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC |	PERF_IP_FLAG_INTERRUPT, "hw int"},
1531 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1532 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1533 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1534 	{0, NULL}
1535 };
1536 
1537 static const char *sample_flags_to_name(u32 flags)
1538 {
1539 	int i;
1540 
1541 	for (i = 0; sample_flags[i].name ; i++) {
1542 		if (sample_flags[i].flags == flags)
1543 			return sample_flags[i].name;
1544 	}
1545 
1546 	return NULL;
1547 }
1548 
1549 static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1550 {
1551 	const char *chars = PERF_IP_FLAG_CHARS;
1552 	const int n = strlen(PERF_IP_FLAG_CHARS);
1553 	bool in_tx = flags & PERF_IP_FLAG_IN_TX;
1554 	const char *name = NULL;
1555 	char str[33];
1556 	int i, pos = 0;
1557 
1558 	name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX);
1559 	if (name)
1560 		return fprintf(fp, "  %-15s%4s ", name, in_tx ? "(x)" : "");
1561 
1562 	if (flags & PERF_IP_FLAG_TRACE_BEGIN) {
1563 		name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN));
1564 		if (name)
1565 			return fprintf(fp, "  tr strt %-7s%4s ", name, in_tx ? "(x)" : "");
1566 	}
1567 
1568 	if (flags & PERF_IP_FLAG_TRACE_END) {
1569 		name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END));
1570 		if (name)
1571 			return fprintf(fp, "  tr end  %-7s%4s ", name, in_tx ? "(x)" : "");
1572 	}
1573 
1574 	for (i = 0; i < n; i++, flags >>= 1) {
1575 		if (flags & 1)
1576 			str[pos++] = chars[i];
1577 	}
1578 	for (; i < 32; i++, flags >>= 1) {
1579 		if (flags & 1)
1580 			str[pos++] = '?';
1581 	}
1582 	str[pos] = 0;
1583 
1584 	return fprintf(fp, "  %-19s ", str);
1585 }
1586 
1587 struct printer_data {
1588 	int line_no;
1589 	bool hit_nul;
1590 	bool is_printable;
1591 };
1592 
1593 static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1594 				      unsigned int val,
1595 				      void *extra, FILE *fp)
1596 {
1597 	unsigned char ch = (unsigned char)val;
1598 	struct printer_data *printer_data = extra;
1599 	int printed = 0;
1600 
1601 	switch (op) {
1602 	case BINARY_PRINT_DATA_BEGIN:
1603 		printed += fprintf(fp, "\n");
1604 		break;
1605 	case BINARY_PRINT_LINE_BEGIN:
1606 		printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1607 						        "           ");
1608 		break;
1609 	case BINARY_PRINT_ADDR:
1610 		printed += fprintf(fp, " %04x:", val);
1611 		break;
1612 	case BINARY_PRINT_NUM_DATA:
1613 		printed += fprintf(fp, " %02x", val);
1614 		break;
1615 	case BINARY_PRINT_NUM_PAD:
1616 		printed += fprintf(fp, "   ");
1617 		break;
1618 	case BINARY_PRINT_SEP:
1619 		printed += fprintf(fp, "  ");
1620 		break;
1621 	case BINARY_PRINT_CHAR_DATA:
1622 		if (printer_data->hit_nul && ch)
1623 			printer_data->is_printable = false;
1624 
1625 		if (!isprint(ch)) {
1626 			printed += fprintf(fp, "%c", '.');
1627 
1628 			if (!printer_data->is_printable)
1629 				break;
1630 
1631 			if (ch == '\0')
1632 				printer_data->hit_nul = true;
1633 			else
1634 				printer_data->is_printable = false;
1635 		} else {
1636 			printed += fprintf(fp, "%c", ch);
1637 		}
1638 		break;
1639 	case BINARY_PRINT_CHAR_PAD:
1640 		printed += fprintf(fp, " ");
1641 		break;
1642 	case BINARY_PRINT_LINE_END:
1643 		printed += fprintf(fp, "\n");
1644 		printer_data->line_no++;
1645 		break;
1646 	case BINARY_PRINT_DATA_END:
1647 	default:
1648 		break;
1649 	}
1650 
1651 	return printed;
1652 }
1653 
1654 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1655 {
1656 	unsigned int nr_bytes = sample->raw_size;
1657 	struct printer_data printer_data = {0, false, true};
1658 	int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1659 				      sample__fprintf_bpf_output, &printer_data, fp);
1660 
1661 	if (printer_data.is_printable && printer_data.hit_nul)
1662 		printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1663 
1664 	return printed;
1665 }
1666 
1667 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1668 {
1669 	if (len > 0 && len < spacing)
1670 		return fprintf(fp, "%*s", spacing - len, "");
1671 
1672 	return 0;
1673 }
1674 
1675 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1676 {
1677 	return perf_sample__fprintf_spacing(len, 34, fp);
1678 }
1679 
1680 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1681 {
1682 	struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1683 	int len;
1684 
1685 	if (perf_sample__bad_synth_size(sample, *data))
1686 		return 0;
1687 
1688 	len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ",
1689 		     data->ip, le64_to_cpu(data->payload));
1690 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1691 }
1692 
1693 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1694 {
1695 	struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1696 	int len;
1697 
1698 	if (perf_sample__bad_synth_size(sample, *data))
1699 		return 0;
1700 
1701 	len = fprintf(fp, " hints: %#x extensions: %#x ",
1702 		      data->hints, data->extensions);
1703 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1704 }
1705 
1706 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1707 {
1708 	struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1709 	int len;
1710 
1711 	if (perf_sample__bad_synth_size(sample, *data))
1712 		return 0;
1713 
1714 	len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1715 		      data->hw, data->cstate, data->subcstate);
1716 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1717 }
1718 
1719 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1720 {
1721 	struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1722 	int len;
1723 
1724 	if (perf_sample__bad_synth_size(sample, *data))
1725 		return 0;
1726 
1727 	len = fprintf(fp, " IP: %u ", data->ip);
1728 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1729 }
1730 
1731 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1732 {
1733 	struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1734 	int len;
1735 
1736 	if (perf_sample__bad_synth_size(sample, *data))
1737 		return 0;
1738 
1739 	len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1740 		     data->deepest_cstate, data->last_cstate,
1741 		     data->wake_reason);
1742 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1743 }
1744 
1745 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1746 {
1747 	struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1748 	unsigned int percent, freq;
1749 	int len;
1750 
1751 	if (perf_sample__bad_synth_size(sample, *data))
1752 		return 0;
1753 
1754 	freq = (le32_to_cpu(data->freq) + 500) / 1000;
1755 	len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1756 	if (data->max_nonturbo) {
1757 		percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1758 		len += fprintf(fp, "(%3u%%) ", percent);
1759 	}
1760 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1761 }
1762 
1763 static int perf_sample__fprintf_synth(struct perf_sample *sample,
1764 				      struct evsel *evsel, FILE *fp)
1765 {
1766 	switch (evsel->core.attr.config) {
1767 	case PERF_SYNTH_INTEL_PTWRITE:
1768 		return perf_sample__fprintf_synth_ptwrite(sample, fp);
1769 	case PERF_SYNTH_INTEL_MWAIT:
1770 		return perf_sample__fprintf_synth_mwait(sample, fp);
1771 	case PERF_SYNTH_INTEL_PWRE:
1772 		return perf_sample__fprintf_synth_pwre(sample, fp);
1773 	case PERF_SYNTH_INTEL_EXSTOP:
1774 		return perf_sample__fprintf_synth_exstop(sample, fp);
1775 	case PERF_SYNTH_INTEL_PWRX:
1776 		return perf_sample__fprintf_synth_pwrx(sample, fp);
1777 	case PERF_SYNTH_INTEL_CBR:
1778 		return perf_sample__fprintf_synth_cbr(sample, fp);
1779 	default:
1780 		break;
1781 	}
1782 
1783 	return 0;
1784 }
1785 
1786 static int evlist__max_name_len(struct evlist *evlist)
1787 {
1788 	struct evsel *evsel;
1789 	int max = 0;
1790 
1791 	evlist__for_each_entry(evlist, evsel) {
1792 		int len = strlen(evsel__name(evsel));
1793 
1794 		max = MAX(len, max);
1795 	}
1796 
1797 	return max;
1798 }
1799 
1800 static int data_src__fprintf(u64 data_src, FILE *fp)
1801 {
1802 	struct mem_info mi = { .data_src.val = data_src };
1803 	char decode[100];
1804 	char out[100];
1805 	static int maxlen;
1806 	int len;
1807 
1808 	perf_script__meminfo_scnprintf(decode, 100, &mi);
1809 
1810 	len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
1811 	if (maxlen < len)
1812 		maxlen = len;
1813 
1814 	return fprintf(fp, "%-*s", maxlen, out);
1815 }
1816 
1817 struct metric_ctx {
1818 	struct perf_sample	*sample;
1819 	struct thread		*thread;
1820 	struct evsel	*evsel;
1821 	FILE 			*fp;
1822 };
1823 
1824 static void script_print_metric(struct perf_stat_config *config __maybe_unused,
1825 				void *ctx, const char *color,
1826 			        const char *fmt,
1827 			        const char *unit, double val)
1828 {
1829 	struct metric_ctx *mctx = ctx;
1830 
1831 	if (!fmt)
1832 		return;
1833 	perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
1834 				   PERF_RECORD_SAMPLE, mctx->fp);
1835 	fputs("\tmetric: ", mctx->fp);
1836 	if (color)
1837 		color_fprintf(mctx->fp, color, fmt, val);
1838 	else
1839 		printf(fmt, val);
1840 	fprintf(mctx->fp, " %s\n", unit);
1841 }
1842 
1843 static void script_new_line(struct perf_stat_config *config __maybe_unused,
1844 			    void *ctx)
1845 {
1846 	struct metric_ctx *mctx = ctx;
1847 
1848 	perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
1849 				   PERF_RECORD_SAMPLE, mctx->fp);
1850 	fputs("\tmetric: ", mctx->fp);
1851 }
1852 
1853 static void perf_sample__fprint_metric(struct perf_script *script,
1854 				       struct thread *thread,
1855 				       struct evsel *evsel,
1856 				       struct perf_sample *sample,
1857 				       FILE *fp)
1858 {
1859 	struct perf_stat_output_ctx ctx = {
1860 		.print_metric = script_print_metric,
1861 		.new_line = script_new_line,
1862 		.ctx = &(struct metric_ctx) {
1863 				.sample = sample,
1864 				.thread = thread,
1865 				.evsel  = evsel,
1866 				.fp     = fp,
1867 			 },
1868 		.force_header = false,
1869 	};
1870 	struct evsel *ev2;
1871 	u64 val;
1872 
1873 	if (!evsel->stats)
1874 		evlist__alloc_stats(script->session->evlist, false);
1875 	if (evsel_script(evsel->leader)->gnum++ == 0)
1876 		perf_stat__reset_shadow_stats();
1877 	val = sample->period * evsel->scale;
1878 	perf_stat__update_shadow_stats(evsel,
1879 				       val,
1880 				       sample->cpu,
1881 				       &rt_stat);
1882 	evsel_script(evsel)->val = val;
1883 	if (evsel_script(evsel->leader)->gnum == evsel->leader->core.nr_members) {
1884 		for_each_group_member (ev2, evsel->leader) {
1885 			perf_stat__print_shadow_stats(&stat_config, ev2,
1886 						      evsel_script(ev2)->val,
1887 						      sample->cpu,
1888 						      &ctx,
1889 						      NULL,
1890 						      &rt_stat);
1891 		}
1892 		evsel_script(evsel->leader)->gnum = 0;
1893 	}
1894 }
1895 
1896 static bool show_event(struct perf_sample *sample,
1897 		       struct evsel *evsel,
1898 		       struct thread *thread,
1899 		       struct addr_location *al)
1900 {
1901 	int depth = thread_stack__depth(thread, sample->cpu);
1902 
1903 	if (!symbol_conf.graph_function)
1904 		return true;
1905 
1906 	if (thread->filter) {
1907 		if (depth <= thread->filter_entry_depth) {
1908 			thread->filter = false;
1909 			return false;
1910 		}
1911 		return true;
1912 	} else {
1913 		const char *s = symbol_conf.graph_function;
1914 		u64 ip;
1915 		const char *name = resolve_branch_sym(sample, evsel, thread, al,
1916 				&ip);
1917 		unsigned nlen;
1918 
1919 		if (!name)
1920 			return false;
1921 		nlen = strlen(name);
1922 		while (*s) {
1923 			unsigned len = strcspn(s, ",");
1924 			if (nlen == len && !strncmp(name, s, len)) {
1925 				thread->filter = true;
1926 				thread->filter_entry_depth = depth;
1927 				return true;
1928 			}
1929 			s += len;
1930 			if (*s == ',')
1931 				s++;
1932 		}
1933 		return false;
1934 	}
1935 }
1936 
1937 static void process_event(struct perf_script *script,
1938 			  struct perf_sample *sample, struct evsel *evsel,
1939 			  struct addr_location *al,
1940 			  struct machine *machine)
1941 {
1942 	struct thread *thread = al->thread;
1943 	struct perf_event_attr *attr = &evsel->core.attr;
1944 	unsigned int type = output_type(attr->type);
1945 	struct evsel_script *es = evsel->priv;
1946 	FILE *fp = es->fp;
1947 	char str[PAGE_SIZE_NAME_LEN];
1948 
1949 	if (output[type].fields == 0)
1950 		return;
1951 
1952 	if (!show_event(sample, evsel, thread, al))
1953 		return;
1954 
1955 	if (evswitch__discard(&script->evswitch, evsel))
1956 		return;
1957 
1958 	++es->samples;
1959 
1960 	perf_sample__fprintf_start(script, sample, thread, evsel,
1961 				   PERF_RECORD_SAMPLE, fp);
1962 
1963 	if (PRINT_FIELD(PERIOD))
1964 		fprintf(fp, "%10" PRIu64 " ", sample->period);
1965 
1966 	if (PRINT_FIELD(EVNAME)) {
1967 		const char *evname = evsel__name(evsel);
1968 
1969 		if (!script->name_width)
1970 			script->name_width = evlist__max_name_len(script->session->evlist);
1971 
1972 		fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
1973 	}
1974 
1975 	if (print_flags)
1976 		perf_sample__fprintf_flags(sample->flags, fp);
1977 
1978 	if (is_bts_event(attr)) {
1979 		perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp);
1980 		return;
1981 	}
1982 
1983 	if (PRINT_FIELD(TRACE) && sample->raw_data) {
1984 		event_format__fprintf(evsel->tp_format, sample->cpu,
1985 				      sample->raw_data, sample->raw_size, fp);
1986 	}
1987 
1988 	if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
1989 		perf_sample__fprintf_synth(sample, evsel, fp);
1990 
1991 	if (PRINT_FIELD(ADDR))
1992 		perf_sample__fprintf_addr(sample, thread, attr, fp);
1993 
1994 	if (PRINT_FIELD(DATA_SRC))
1995 		data_src__fprintf(sample->data_src, fp);
1996 
1997 	if (PRINT_FIELD(WEIGHT))
1998 		fprintf(fp, "%16" PRIu64, sample->weight);
1999 
2000 	if (PRINT_FIELD(IP)) {
2001 		struct callchain_cursor *cursor = NULL;
2002 
2003 		if (script->stitch_lbr)
2004 			al->thread->lbr_stitch_enable = true;
2005 
2006 		if (symbol_conf.use_callchain && sample->callchain &&
2007 		    thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
2008 					      sample, NULL, NULL, scripting_max_stack) == 0)
2009 			cursor = &callchain_cursor;
2010 
2011 		fputc(cursor ? '\n' : ' ', fp);
2012 		sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor,
2013 				    symbol_conf.bt_stop_list, fp);
2014 	}
2015 
2016 	if (PRINT_FIELD(IREGS))
2017 		perf_sample__fprintf_iregs(sample, attr, fp);
2018 
2019 	if (PRINT_FIELD(UREGS))
2020 		perf_sample__fprintf_uregs(sample, attr, fp);
2021 
2022 	if (PRINT_FIELD(BRSTACK))
2023 		perf_sample__fprintf_brstack(sample, thread, attr, fp);
2024 	else if (PRINT_FIELD(BRSTACKSYM))
2025 		perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
2026 	else if (PRINT_FIELD(BRSTACKOFF))
2027 		perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
2028 
2029 	if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
2030 		perf_sample__fprintf_bpf_output(sample, fp);
2031 	perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
2032 
2033 	if (PRINT_FIELD(PHYS_ADDR))
2034 		fprintf(fp, "%16" PRIx64, sample->phys_addr);
2035 
2036 	if (PRINT_FIELD(DATA_PAGE_SIZE))
2037 		fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str));
2038 
2039 	perf_sample__fprintf_ipc(sample, attr, fp);
2040 
2041 	fprintf(fp, "\n");
2042 
2043 	if (PRINT_FIELD(SRCCODE)) {
2044 		if (map__fprintf_srccode(al->map, al->addr, stdout,
2045 					 &thread->srccode_state))
2046 			printf("\n");
2047 	}
2048 
2049 	if (PRINT_FIELD(METRIC))
2050 		perf_sample__fprint_metric(script, thread, evsel, sample, fp);
2051 
2052 	if (verbose)
2053 		fflush(fp);
2054 }
2055 
2056 static struct scripting_ops	*scripting_ops;
2057 
2058 static void __process_stat(struct evsel *counter, u64 tstamp)
2059 {
2060 	int nthreads = perf_thread_map__nr(counter->core.threads);
2061 	int ncpus = evsel__nr_cpus(counter);
2062 	int cpu, thread;
2063 	static int header_printed;
2064 
2065 	if (counter->core.system_wide)
2066 		nthreads = 1;
2067 
2068 	if (!header_printed) {
2069 		printf("%3s %8s %15s %15s %15s %15s %s\n",
2070 		       "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
2071 		header_printed = 1;
2072 	}
2073 
2074 	for (thread = 0; thread < nthreads; thread++) {
2075 		for (cpu = 0; cpu < ncpus; cpu++) {
2076 			struct perf_counts_values *counts;
2077 
2078 			counts = perf_counts(counter->counts, cpu, thread);
2079 
2080 			printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
2081 				counter->core.cpus->map[cpu],
2082 				perf_thread_map__pid(counter->core.threads, thread),
2083 				counts->val,
2084 				counts->ena,
2085 				counts->run,
2086 				tstamp,
2087 				evsel__name(counter));
2088 		}
2089 	}
2090 }
2091 
2092 static void process_stat(struct evsel *counter, u64 tstamp)
2093 {
2094 	if (scripting_ops && scripting_ops->process_stat)
2095 		scripting_ops->process_stat(&stat_config, counter, tstamp);
2096 	else
2097 		__process_stat(counter, tstamp);
2098 }
2099 
2100 static void process_stat_interval(u64 tstamp)
2101 {
2102 	if (scripting_ops && scripting_ops->process_stat_interval)
2103 		scripting_ops->process_stat_interval(tstamp);
2104 }
2105 
2106 static void setup_scripting(void)
2107 {
2108 	setup_perl_scripting();
2109 	setup_python_scripting();
2110 }
2111 
2112 static int flush_scripting(void)
2113 {
2114 	return scripting_ops ? scripting_ops->flush_script() : 0;
2115 }
2116 
2117 static int cleanup_scripting(void)
2118 {
2119 	pr_debug("\nperf script stopped\n");
2120 
2121 	return scripting_ops ? scripting_ops->stop_script() : 0;
2122 }
2123 
2124 static bool filter_cpu(struct perf_sample *sample)
2125 {
2126 	if (cpu_list && sample->cpu != (u32)-1)
2127 		return !test_bit(sample->cpu, cpu_bitmap);
2128 	return false;
2129 }
2130 
2131 static int process_sample_event(struct perf_tool *tool,
2132 				union perf_event *event,
2133 				struct perf_sample *sample,
2134 				struct evsel *evsel,
2135 				struct machine *machine)
2136 {
2137 	struct perf_script *scr = container_of(tool, struct perf_script, tool);
2138 	struct addr_location al;
2139 
2140 	if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
2141 					  sample->time)) {
2142 		return 0;
2143 	}
2144 
2145 	if (debug_mode) {
2146 		if (sample->time < last_timestamp) {
2147 			pr_err("Samples misordered, previous: %" PRIu64
2148 				" this: %" PRIu64 "\n", last_timestamp,
2149 				sample->time);
2150 			nr_unordered++;
2151 		}
2152 		last_timestamp = sample->time;
2153 		return 0;
2154 	}
2155 
2156 	if (machine__resolve(machine, &al, sample) < 0) {
2157 		pr_err("problem processing %d event, skipping it.\n",
2158 		       event->header.type);
2159 		return -1;
2160 	}
2161 
2162 	if (al.filtered)
2163 		goto out_put;
2164 
2165 	if (filter_cpu(sample))
2166 		goto out_put;
2167 
2168 	if (scripting_ops)
2169 		scripting_ops->process_event(event, sample, evsel, &al);
2170 	else
2171 		process_event(scr, sample, evsel, &al, machine);
2172 
2173 out_put:
2174 	addr_location__put(&al);
2175 	return 0;
2176 }
2177 
2178 static int process_attr(struct perf_tool *tool, union perf_event *event,
2179 			struct evlist **pevlist)
2180 {
2181 	struct perf_script *scr = container_of(tool, struct perf_script, tool);
2182 	struct evlist *evlist;
2183 	struct evsel *evsel, *pos;
2184 	u64 sample_type;
2185 	int err;
2186 	static struct evsel_script *es;
2187 
2188 	err = perf_event__process_attr(tool, event, pevlist);
2189 	if (err)
2190 		return err;
2191 
2192 	evlist = *pevlist;
2193 	evsel = evlist__last(*pevlist);
2194 
2195 	if (!evsel->priv) {
2196 		if (scr->per_event_dump) {
2197 			evsel->priv = perf_evsel_script__new(evsel,
2198 						scr->session->data);
2199 		} else {
2200 			es = zalloc(sizeof(*es));
2201 			if (!es)
2202 				return -ENOMEM;
2203 			es->fp = stdout;
2204 			evsel->priv = es;
2205 		}
2206 	}
2207 
2208 	if (evsel->core.attr.type >= PERF_TYPE_MAX &&
2209 	    evsel->core.attr.type != PERF_TYPE_SYNTH)
2210 		return 0;
2211 
2212 	evlist__for_each_entry(evlist, pos) {
2213 		if (pos->core.attr.type == evsel->core.attr.type && pos != evsel)
2214 			return 0;
2215 	}
2216 
2217 	if (evsel->core.attr.sample_type) {
2218 		err = evsel__check_attr(evsel, scr->session);
2219 		if (err)
2220 			return err;
2221 	}
2222 
2223 	/*
2224 	 * Check if we need to enable callchains based
2225 	 * on events sample_type.
2226 	 */
2227 	sample_type = evlist__combined_sample_type(evlist);
2228 	callchain_param_setup(sample_type);
2229 
2230 	/* Enable fields for callchain entries */
2231 	if (symbol_conf.use_callchain &&
2232 	    (sample_type & PERF_SAMPLE_CALLCHAIN ||
2233 	     sample_type & PERF_SAMPLE_BRANCH_STACK ||
2234 	     (sample_type & PERF_SAMPLE_REGS_USER &&
2235 	      sample_type & PERF_SAMPLE_STACK_USER))) {
2236 		int type = output_type(evsel->core.attr.type);
2237 
2238 		if (!(output[type].user_unset_fields & PERF_OUTPUT_IP))
2239 			output[type].fields |= PERF_OUTPUT_IP;
2240 		if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM))
2241 			output[type].fields |= PERF_OUTPUT_SYM;
2242 	}
2243 	set_print_ip_opts(&evsel->core.attr);
2244 	return 0;
2245 }
2246 
2247 static int print_event_with_time(struct perf_tool *tool,
2248 				 union perf_event *event,
2249 				 struct perf_sample *sample,
2250 				 struct machine *machine,
2251 				 pid_t pid, pid_t tid, u64 timestamp)
2252 {
2253 	struct perf_script *script = container_of(tool, struct perf_script, tool);
2254 	struct perf_session *session = script->session;
2255 	struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id);
2256 	struct thread *thread = NULL;
2257 
2258 	if (evsel && !evsel->core.attr.sample_id_all) {
2259 		sample->cpu = 0;
2260 		sample->time = timestamp;
2261 		sample->pid = pid;
2262 		sample->tid = tid;
2263 	}
2264 
2265 	if (filter_cpu(sample))
2266 		return 0;
2267 
2268 	if (tid != -1)
2269 		thread = machine__findnew_thread(machine, pid, tid);
2270 
2271 	if (evsel) {
2272 		perf_sample__fprintf_start(script, sample, thread, evsel,
2273 					   event->header.type, stdout);
2274 	}
2275 
2276 	perf_event__fprintf(event, machine, stdout);
2277 
2278 	thread__put(thread);
2279 
2280 	return 0;
2281 }
2282 
2283 static int print_event(struct perf_tool *tool, union perf_event *event,
2284 		       struct perf_sample *sample, struct machine *machine,
2285 		       pid_t pid, pid_t tid)
2286 {
2287 	return print_event_with_time(tool, event, sample, machine, pid, tid, 0);
2288 }
2289 
2290 static int process_comm_event(struct perf_tool *tool,
2291 			      union perf_event *event,
2292 			      struct perf_sample *sample,
2293 			      struct machine *machine)
2294 {
2295 	if (perf_event__process_comm(tool, event, sample, machine) < 0)
2296 		return -1;
2297 
2298 	return print_event(tool, event, sample, machine, event->comm.pid,
2299 			   event->comm.tid);
2300 }
2301 
2302 static int process_namespaces_event(struct perf_tool *tool,
2303 				    union perf_event *event,
2304 				    struct perf_sample *sample,
2305 				    struct machine *machine)
2306 {
2307 	if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
2308 		return -1;
2309 
2310 	return print_event(tool, event, sample, machine, event->namespaces.pid,
2311 			   event->namespaces.tid);
2312 }
2313 
2314 static int process_cgroup_event(struct perf_tool *tool,
2315 				union perf_event *event,
2316 				struct perf_sample *sample,
2317 				struct machine *machine)
2318 {
2319 	if (perf_event__process_cgroup(tool, event, sample, machine) < 0)
2320 		return -1;
2321 
2322 	return print_event(tool, event, sample, machine, sample->pid,
2323 			    sample->tid);
2324 }
2325 
2326 static int process_fork_event(struct perf_tool *tool,
2327 			      union perf_event *event,
2328 			      struct perf_sample *sample,
2329 			      struct machine *machine)
2330 {
2331 	if (perf_event__process_fork(tool, event, sample, machine) < 0)
2332 		return -1;
2333 
2334 	return print_event_with_time(tool, event, sample, machine,
2335 				     event->fork.pid, event->fork.tid,
2336 				     event->fork.time);
2337 }
2338 static int process_exit_event(struct perf_tool *tool,
2339 			      union perf_event *event,
2340 			      struct perf_sample *sample,
2341 			      struct machine *machine)
2342 {
2343 	/* Print before 'exit' deletes anything */
2344 	if (print_event_with_time(tool, event, sample, machine, event->fork.pid,
2345 				  event->fork.tid, event->fork.time))
2346 		return -1;
2347 
2348 	return perf_event__process_exit(tool, event, sample, machine);
2349 }
2350 
2351 static int process_mmap_event(struct perf_tool *tool,
2352 			      union perf_event *event,
2353 			      struct perf_sample *sample,
2354 			      struct machine *machine)
2355 {
2356 	if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2357 		return -1;
2358 
2359 	return print_event(tool, event, sample, machine, event->mmap.pid,
2360 			   event->mmap.tid);
2361 }
2362 
2363 static int process_mmap2_event(struct perf_tool *tool,
2364 			      union perf_event *event,
2365 			      struct perf_sample *sample,
2366 			      struct machine *machine)
2367 {
2368 	if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2369 		return -1;
2370 
2371 	return print_event(tool, event, sample, machine, event->mmap2.pid,
2372 			   event->mmap2.tid);
2373 }
2374 
2375 static int process_switch_event(struct perf_tool *tool,
2376 				union perf_event *event,
2377 				struct perf_sample *sample,
2378 				struct machine *machine)
2379 {
2380 	struct perf_script *script = container_of(tool, struct perf_script, tool);
2381 
2382 	if (perf_event__process_switch(tool, event, sample, machine) < 0)
2383 		return -1;
2384 
2385 	if (scripting_ops && scripting_ops->process_switch)
2386 		scripting_ops->process_switch(event, sample, machine);
2387 
2388 	if (!script->show_switch_events)
2389 		return 0;
2390 
2391 	return print_event(tool, event, sample, machine, sample->pid,
2392 			   sample->tid);
2393 }
2394 
2395 static int
2396 process_lost_event(struct perf_tool *tool,
2397 		   union perf_event *event,
2398 		   struct perf_sample *sample,
2399 		   struct machine *machine)
2400 {
2401 	return print_event(tool, event, sample, machine, sample->pid,
2402 			   sample->tid);
2403 }
2404 
2405 static int
2406 process_finished_round_event(struct perf_tool *tool __maybe_unused,
2407 			     union perf_event *event,
2408 			     struct ordered_events *oe __maybe_unused)
2409 
2410 {
2411 	perf_event__fprintf(event, NULL, stdout);
2412 	return 0;
2413 }
2414 
2415 static int
2416 process_bpf_events(struct perf_tool *tool __maybe_unused,
2417 		   union perf_event *event,
2418 		   struct perf_sample *sample,
2419 		   struct machine *machine)
2420 {
2421 	if (machine__process_ksymbol(machine, event, sample) < 0)
2422 		return -1;
2423 
2424 	return print_event(tool, event, sample, machine, sample->pid,
2425 			   sample->tid);
2426 }
2427 
2428 static int process_text_poke_events(struct perf_tool *tool,
2429 				    union perf_event *event,
2430 				    struct perf_sample *sample,
2431 				    struct machine *machine)
2432 {
2433 	if (perf_event__process_text_poke(tool, event, sample, machine) < 0)
2434 		return -1;
2435 
2436 	return print_event(tool, event, sample, machine, sample->pid,
2437 			   sample->tid);
2438 }
2439 
2440 static void sig_handler(int sig __maybe_unused)
2441 {
2442 	session_done = 1;
2443 }
2444 
2445 static void perf_script__fclose_per_event_dump(struct perf_script *script)
2446 {
2447 	struct evlist *evlist = script->session->evlist;
2448 	struct evsel *evsel;
2449 
2450 	evlist__for_each_entry(evlist, evsel) {
2451 		if (!evsel->priv)
2452 			break;
2453 		perf_evsel_script__delete(evsel->priv);
2454 		evsel->priv = NULL;
2455 	}
2456 }
2457 
2458 static int perf_script__fopen_per_event_dump(struct perf_script *script)
2459 {
2460 	struct evsel *evsel;
2461 
2462 	evlist__for_each_entry(script->session->evlist, evsel) {
2463 		/*
2464 		 * Already setup? I.e. we may be called twice in cases like
2465 		 * Intel PT, one for the intel_pt// and dummy events, then
2466 		 * for the evsels syntheized from the auxtrace info.
2467 		 *
2468 		 * Ses perf_script__process_auxtrace_info.
2469 		 */
2470 		if (evsel->priv != NULL)
2471 			continue;
2472 
2473 		evsel->priv = perf_evsel_script__new(evsel, script->session->data);
2474 		if (evsel->priv == NULL)
2475 			goto out_err_fclose;
2476 	}
2477 
2478 	return 0;
2479 
2480 out_err_fclose:
2481 	perf_script__fclose_per_event_dump(script);
2482 	return -1;
2483 }
2484 
2485 static int perf_script__setup_per_event_dump(struct perf_script *script)
2486 {
2487 	struct evsel *evsel;
2488 	static struct evsel_script es_stdout;
2489 
2490 	if (script->per_event_dump)
2491 		return perf_script__fopen_per_event_dump(script);
2492 
2493 	es_stdout.fp = stdout;
2494 
2495 	evlist__for_each_entry(script->session->evlist, evsel)
2496 		evsel->priv = &es_stdout;
2497 
2498 	return 0;
2499 }
2500 
2501 static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2502 {
2503 	struct evsel *evsel;
2504 
2505 	evlist__for_each_entry(script->session->evlist, evsel) {
2506 		struct evsel_script *es = evsel->priv;
2507 
2508 		perf_evsel_script__fprintf(es, stdout);
2509 		perf_evsel_script__delete(es);
2510 		evsel->priv = NULL;
2511 	}
2512 }
2513 
2514 static int __cmd_script(struct perf_script *script)
2515 {
2516 	int ret;
2517 
2518 	signal(SIGINT, sig_handler);
2519 
2520 	perf_stat__init_shadow_stats();
2521 
2522 	/* override event processing functions */
2523 	if (script->show_task_events) {
2524 		script->tool.comm = process_comm_event;
2525 		script->tool.fork = process_fork_event;
2526 		script->tool.exit = process_exit_event;
2527 	}
2528 	if (script->show_mmap_events) {
2529 		script->tool.mmap = process_mmap_event;
2530 		script->tool.mmap2 = process_mmap2_event;
2531 	}
2532 	if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch))
2533 		script->tool.context_switch = process_switch_event;
2534 	if (script->show_namespace_events)
2535 		script->tool.namespaces = process_namespaces_event;
2536 	if (script->show_cgroup_events)
2537 		script->tool.cgroup = process_cgroup_event;
2538 	if (script->show_lost_events)
2539 		script->tool.lost = process_lost_event;
2540 	if (script->show_round_events) {
2541 		script->tool.ordered_events = false;
2542 		script->tool.finished_round = process_finished_round_event;
2543 	}
2544 	if (script->show_bpf_events) {
2545 		script->tool.ksymbol = process_bpf_events;
2546 		script->tool.bpf     = process_bpf_events;
2547 	}
2548 	if (script->show_text_poke_events) {
2549 		script->tool.ksymbol   = process_bpf_events;
2550 		script->tool.text_poke = process_text_poke_events;
2551 	}
2552 
2553 	if (perf_script__setup_per_event_dump(script)) {
2554 		pr_err("Couldn't create the per event dump files\n");
2555 		return -1;
2556 	}
2557 
2558 	ret = perf_session__process_events(script->session);
2559 
2560 	if (script->per_event_dump)
2561 		perf_script__exit_per_event_dump_stats(script);
2562 
2563 	if (debug_mode)
2564 		pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2565 
2566 	return ret;
2567 }
2568 
2569 struct script_spec {
2570 	struct list_head	node;
2571 	struct scripting_ops	*ops;
2572 	char			spec[];
2573 };
2574 
2575 static LIST_HEAD(script_specs);
2576 
2577 static struct script_spec *script_spec__new(const char *spec,
2578 					    struct scripting_ops *ops)
2579 {
2580 	struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2581 
2582 	if (s != NULL) {
2583 		strcpy(s->spec, spec);
2584 		s->ops = ops;
2585 	}
2586 
2587 	return s;
2588 }
2589 
2590 static void script_spec__add(struct script_spec *s)
2591 {
2592 	list_add_tail(&s->node, &script_specs);
2593 }
2594 
2595 static struct script_spec *script_spec__find(const char *spec)
2596 {
2597 	struct script_spec *s;
2598 
2599 	list_for_each_entry(s, &script_specs, node)
2600 		if (strcasecmp(s->spec, spec) == 0)
2601 			return s;
2602 	return NULL;
2603 }
2604 
2605 int script_spec_register(const char *spec, struct scripting_ops *ops)
2606 {
2607 	struct script_spec *s;
2608 
2609 	s = script_spec__find(spec);
2610 	if (s)
2611 		return -1;
2612 
2613 	s = script_spec__new(spec, ops);
2614 	if (!s)
2615 		return -1;
2616 	else
2617 		script_spec__add(s);
2618 
2619 	return 0;
2620 }
2621 
2622 static struct scripting_ops *script_spec__lookup(const char *spec)
2623 {
2624 	struct script_spec *s = script_spec__find(spec);
2625 	if (!s)
2626 		return NULL;
2627 
2628 	return s->ops;
2629 }
2630 
2631 static void list_available_languages(void)
2632 {
2633 	struct script_spec *s;
2634 
2635 	fprintf(stderr, "\n");
2636 	fprintf(stderr, "Scripting language extensions (used in "
2637 		"perf script -s [spec:]script.[spec]):\n\n");
2638 
2639 	list_for_each_entry(s, &script_specs, node)
2640 		fprintf(stderr, "  %-42s [%s]\n", s->spec, s->ops->name);
2641 
2642 	fprintf(stderr, "\n");
2643 }
2644 
2645 static int parse_scriptname(const struct option *opt __maybe_unused,
2646 			    const char *str, int unset __maybe_unused)
2647 {
2648 	char spec[PATH_MAX];
2649 	const char *script, *ext;
2650 	int len;
2651 
2652 	if (strcmp(str, "lang") == 0) {
2653 		list_available_languages();
2654 		exit(0);
2655 	}
2656 
2657 	script = strchr(str, ':');
2658 	if (script) {
2659 		len = script - str;
2660 		if (len >= PATH_MAX) {
2661 			fprintf(stderr, "invalid language specifier");
2662 			return -1;
2663 		}
2664 		strncpy(spec, str, len);
2665 		spec[len] = '\0';
2666 		scripting_ops = script_spec__lookup(spec);
2667 		if (!scripting_ops) {
2668 			fprintf(stderr, "invalid language specifier");
2669 			return -1;
2670 		}
2671 		script++;
2672 	} else {
2673 		script = str;
2674 		ext = strrchr(script, '.');
2675 		if (!ext) {
2676 			fprintf(stderr, "invalid script extension");
2677 			return -1;
2678 		}
2679 		scripting_ops = script_spec__lookup(++ext);
2680 		if (!scripting_ops) {
2681 			fprintf(stderr, "invalid script extension");
2682 			return -1;
2683 		}
2684 	}
2685 
2686 	script_name = strdup(script);
2687 
2688 	return 0;
2689 }
2690 
2691 static int parse_output_fields(const struct option *opt __maybe_unused,
2692 			    const char *arg, int unset __maybe_unused)
2693 {
2694 	char *tok, *strtok_saveptr = NULL;
2695 	int i, imax = ARRAY_SIZE(all_output_options);
2696 	int j;
2697 	int rc = 0;
2698 	char *str = strdup(arg);
2699 	int type = -1;
2700 	enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
2701 
2702 	if (!str)
2703 		return -ENOMEM;
2704 
2705 	/* first word can state for which event type the user is specifying
2706 	 * the fields. If no type exists, the specified fields apply to all
2707 	 * event types found in the file minus the invalid fields for a type.
2708 	 */
2709 	tok = strchr(str, ':');
2710 	if (tok) {
2711 		*tok = '\0';
2712 		tok++;
2713 		if (!strcmp(str, "hw"))
2714 			type = PERF_TYPE_HARDWARE;
2715 		else if (!strcmp(str, "sw"))
2716 			type = PERF_TYPE_SOFTWARE;
2717 		else if (!strcmp(str, "trace"))
2718 			type = PERF_TYPE_TRACEPOINT;
2719 		else if (!strcmp(str, "raw"))
2720 			type = PERF_TYPE_RAW;
2721 		else if (!strcmp(str, "break"))
2722 			type = PERF_TYPE_BREAKPOINT;
2723 		else if (!strcmp(str, "synth"))
2724 			type = OUTPUT_TYPE_SYNTH;
2725 		else {
2726 			fprintf(stderr, "Invalid event type in field string.\n");
2727 			rc = -EINVAL;
2728 			goto out;
2729 		}
2730 
2731 		if (output[type].user_set)
2732 			pr_warning("Overriding previous field request for %s events.\n",
2733 				   event_type(type));
2734 
2735 		/* Don't override defaults for +- */
2736 		if (strchr(tok, '+') || strchr(tok, '-'))
2737 			goto parse;
2738 
2739 		output[type].fields = 0;
2740 		output[type].user_set = true;
2741 		output[type].wildcard_set = false;
2742 
2743 	} else {
2744 		tok = str;
2745 		if (strlen(str) == 0) {
2746 			fprintf(stderr,
2747 				"Cannot set fields to 'none' for all event types.\n");
2748 			rc = -EINVAL;
2749 			goto out;
2750 		}
2751 
2752 		/* Don't override defaults for +- */
2753 		if (strchr(str, '+') || strchr(str, '-'))
2754 			goto parse;
2755 
2756 		if (output_set_by_user())
2757 			pr_warning("Overriding previous field request for all events.\n");
2758 
2759 		for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2760 			output[j].fields = 0;
2761 			output[j].user_set = true;
2762 			output[j].wildcard_set = true;
2763 		}
2764 	}
2765 
2766 parse:
2767 	for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
2768 		if (*tok == '+') {
2769 			if (change == SET)
2770 				goto out_badmix;
2771 			change = ADD;
2772 			tok++;
2773 		} else if (*tok == '-') {
2774 			if (change == SET)
2775 				goto out_badmix;
2776 			change = REMOVE;
2777 			tok++;
2778 		} else {
2779 			if (change != SET && change != DEFAULT)
2780 				goto out_badmix;
2781 			change = SET;
2782 		}
2783 
2784 		for (i = 0; i < imax; ++i) {
2785 			if (strcmp(tok, all_output_options[i].str) == 0)
2786 				break;
2787 		}
2788 		if (i == imax && strcmp(tok, "flags") == 0) {
2789 			print_flags = change == REMOVE ? false : true;
2790 			continue;
2791 		}
2792 		if (i == imax) {
2793 			fprintf(stderr, "Invalid field requested.\n");
2794 			rc = -EINVAL;
2795 			goto out;
2796 		}
2797 
2798 		if (type == -1) {
2799 			/* add user option to all events types for
2800 			 * which it is valid
2801 			 */
2802 			for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2803 				if (output[j].invalid_fields & all_output_options[i].field) {
2804 					pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
2805 						   all_output_options[i].str, event_type(j));
2806 				} else {
2807 					if (change == REMOVE) {
2808 						output[j].fields &= ~all_output_options[i].field;
2809 						output[j].user_set_fields &= ~all_output_options[i].field;
2810 						output[j].user_unset_fields |= all_output_options[i].field;
2811 					} else {
2812 						output[j].fields |= all_output_options[i].field;
2813 						output[j].user_set_fields |= all_output_options[i].field;
2814 						output[j].user_unset_fields &= ~all_output_options[i].field;
2815 					}
2816 					output[j].user_set = true;
2817 					output[j].wildcard_set = true;
2818 				}
2819 			}
2820 		} else {
2821 			if (output[type].invalid_fields & all_output_options[i].field) {
2822 				fprintf(stderr, "\'%s\' not valid for %s events.\n",
2823 					 all_output_options[i].str, event_type(type));
2824 
2825 				rc = -EINVAL;
2826 				goto out;
2827 			}
2828 			if (change == REMOVE)
2829 				output[type].fields &= ~all_output_options[i].field;
2830 			else
2831 				output[type].fields |= all_output_options[i].field;
2832 			output[type].user_set = true;
2833 			output[type].wildcard_set = true;
2834 		}
2835 	}
2836 
2837 	if (type >= 0) {
2838 		if (output[type].fields == 0) {
2839 			pr_debug("No fields requested for %s type. "
2840 				 "Events will not be displayed.\n", event_type(type));
2841 		}
2842 	}
2843 	goto out;
2844 
2845 out_badmix:
2846 	fprintf(stderr, "Cannot mix +-field with overridden fields\n");
2847 	rc = -EINVAL;
2848 out:
2849 	free(str);
2850 	return rc;
2851 }
2852 
2853 #define for_each_lang(scripts_path, scripts_dir, lang_dirent)		\
2854 	while ((lang_dirent = readdir(scripts_dir)) != NULL)		\
2855 		if ((lang_dirent->d_type == DT_DIR ||			\
2856 		     (lang_dirent->d_type == DT_UNKNOWN &&		\
2857 		      is_directory(scripts_path, lang_dirent))) &&	\
2858 		    (strcmp(lang_dirent->d_name, ".")) &&		\
2859 		    (strcmp(lang_dirent->d_name, "..")))
2860 
2861 #define for_each_script(lang_path, lang_dir, script_dirent)		\
2862 	while ((script_dirent = readdir(lang_dir)) != NULL)		\
2863 		if (script_dirent->d_type != DT_DIR &&			\
2864 		    (script_dirent->d_type != DT_UNKNOWN ||		\
2865 		     !is_directory(lang_path, script_dirent)))
2866 
2867 
2868 #define RECORD_SUFFIX			"-record"
2869 #define REPORT_SUFFIX			"-report"
2870 
2871 struct script_desc {
2872 	struct list_head	node;
2873 	char			*name;
2874 	char			*half_liner;
2875 	char			*args;
2876 };
2877 
2878 static LIST_HEAD(script_descs);
2879 
2880 static struct script_desc *script_desc__new(const char *name)
2881 {
2882 	struct script_desc *s = zalloc(sizeof(*s));
2883 
2884 	if (s != NULL && name)
2885 		s->name = strdup(name);
2886 
2887 	return s;
2888 }
2889 
2890 static void script_desc__delete(struct script_desc *s)
2891 {
2892 	zfree(&s->name);
2893 	zfree(&s->half_liner);
2894 	zfree(&s->args);
2895 	free(s);
2896 }
2897 
2898 static void script_desc__add(struct script_desc *s)
2899 {
2900 	list_add_tail(&s->node, &script_descs);
2901 }
2902 
2903 static struct script_desc *script_desc__find(const char *name)
2904 {
2905 	struct script_desc *s;
2906 
2907 	list_for_each_entry(s, &script_descs, node)
2908 		if (strcasecmp(s->name, name) == 0)
2909 			return s;
2910 	return NULL;
2911 }
2912 
2913 static struct script_desc *script_desc__findnew(const char *name)
2914 {
2915 	struct script_desc *s = script_desc__find(name);
2916 
2917 	if (s)
2918 		return s;
2919 
2920 	s = script_desc__new(name);
2921 	if (!s)
2922 		return NULL;
2923 
2924 	script_desc__add(s);
2925 
2926 	return s;
2927 }
2928 
2929 static const char *ends_with(const char *str, const char *suffix)
2930 {
2931 	size_t suffix_len = strlen(suffix);
2932 	const char *p = str;
2933 
2934 	if (strlen(str) > suffix_len) {
2935 		p = str + strlen(str) - suffix_len;
2936 		if (!strncmp(p, suffix, suffix_len))
2937 			return p;
2938 	}
2939 
2940 	return NULL;
2941 }
2942 
2943 static int read_script_info(struct script_desc *desc, const char *filename)
2944 {
2945 	char line[BUFSIZ], *p;
2946 	FILE *fp;
2947 
2948 	fp = fopen(filename, "r");
2949 	if (!fp)
2950 		return -1;
2951 
2952 	while (fgets(line, sizeof(line), fp)) {
2953 		p = skip_spaces(line);
2954 		if (strlen(p) == 0)
2955 			continue;
2956 		if (*p != '#')
2957 			continue;
2958 		p++;
2959 		if (strlen(p) && *p == '!')
2960 			continue;
2961 
2962 		p = skip_spaces(p);
2963 		if (strlen(p) && p[strlen(p) - 1] == '\n')
2964 			p[strlen(p) - 1] = '\0';
2965 
2966 		if (!strncmp(p, "description:", strlen("description:"))) {
2967 			p += strlen("description:");
2968 			desc->half_liner = strdup(skip_spaces(p));
2969 			continue;
2970 		}
2971 
2972 		if (!strncmp(p, "args:", strlen("args:"))) {
2973 			p += strlen("args:");
2974 			desc->args = strdup(skip_spaces(p));
2975 			continue;
2976 		}
2977 	}
2978 
2979 	fclose(fp);
2980 
2981 	return 0;
2982 }
2983 
2984 static char *get_script_root(struct dirent *script_dirent, const char *suffix)
2985 {
2986 	char *script_root, *str;
2987 
2988 	script_root = strdup(script_dirent->d_name);
2989 	if (!script_root)
2990 		return NULL;
2991 
2992 	str = (char *)ends_with(script_root, suffix);
2993 	if (!str) {
2994 		free(script_root);
2995 		return NULL;
2996 	}
2997 
2998 	*str = '\0';
2999 	return script_root;
3000 }
3001 
3002 static int list_available_scripts(const struct option *opt __maybe_unused,
3003 				  const char *s __maybe_unused,
3004 				  int unset __maybe_unused)
3005 {
3006 	struct dirent *script_dirent, *lang_dirent;
3007 	char scripts_path[MAXPATHLEN];
3008 	DIR *scripts_dir, *lang_dir;
3009 	char script_path[MAXPATHLEN];
3010 	char lang_path[MAXPATHLEN];
3011 	struct script_desc *desc;
3012 	char first_half[BUFSIZ];
3013 	char *script_root;
3014 
3015 	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3016 
3017 	scripts_dir = opendir(scripts_path);
3018 	if (!scripts_dir) {
3019 		fprintf(stdout,
3020 			"open(%s) failed.\n"
3021 			"Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
3022 			scripts_path);
3023 		exit(-1);
3024 	}
3025 
3026 	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3027 		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3028 			  lang_dirent->d_name);
3029 		lang_dir = opendir(lang_path);
3030 		if (!lang_dir)
3031 			continue;
3032 
3033 		for_each_script(lang_path, lang_dir, script_dirent) {
3034 			script_root = get_script_root(script_dirent, REPORT_SUFFIX);
3035 			if (script_root) {
3036 				desc = script_desc__findnew(script_root);
3037 				scnprintf(script_path, MAXPATHLEN, "%s/%s",
3038 					  lang_path, script_dirent->d_name);
3039 				read_script_info(desc, script_path);
3040 				free(script_root);
3041 			}
3042 		}
3043 	}
3044 
3045 	fprintf(stdout, "List of available trace scripts:\n");
3046 	list_for_each_entry(desc, &script_descs, node) {
3047 		sprintf(first_half, "%s %s", desc->name,
3048 			desc->args ? desc->args : "");
3049 		fprintf(stdout, "  %-36s %s\n", first_half,
3050 			desc->half_liner ? desc->half_liner : "");
3051 	}
3052 
3053 	exit(0);
3054 }
3055 
3056 /*
3057  * Some scripts specify the required events in their "xxx-record" file,
3058  * this function will check if the events in perf.data match those
3059  * mentioned in the "xxx-record".
3060  *
3061  * Fixme: All existing "xxx-record" are all in good formats "-e event ",
3062  * which is covered well now. And new parsing code should be added to
3063  * cover the future complexing formats like event groups etc.
3064  */
3065 static int check_ev_match(char *dir_name, char *scriptname,
3066 			struct perf_session *session)
3067 {
3068 	char filename[MAXPATHLEN], evname[128];
3069 	char line[BUFSIZ], *p;
3070 	struct evsel *pos;
3071 	int match, len;
3072 	FILE *fp;
3073 
3074 	scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
3075 
3076 	fp = fopen(filename, "r");
3077 	if (!fp)
3078 		return -1;
3079 
3080 	while (fgets(line, sizeof(line), fp)) {
3081 		p = skip_spaces(line);
3082 		if (*p == '#')
3083 			continue;
3084 
3085 		while (strlen(p)) {
3086 			p = strstr(p, "-e");
3087 			if (!p)
3088 				break;
3089 
3090 			p += 2;
3091 			p = skip_spaces(p);
3092 			len = strcspn(p, " \t");
3093 			if (!len)
3094 				break;
3095 
3096 			snprintf(evname, len + 1, "%s", p);
3097 
3098 			match = 0;
3099 			evlist__for_each_entry(session->evlist, pos) {
3100 				if (!strcmp(evsel__name(pos), evname)) {
3101 					match = 1;
3102 					break;
3103 				}
3104 			}
3105 
3106 			if (!match) {
3107 				fclose(fp);
3108 				return -1;
3109 			}
3110 		}
3111 	}
3112 
3113 	fclose(fp);
3114 	return 0;
3115 }
3116 
3117 /*
3118  * Return -1 if none is found, otherwise the actual scripts number.
3119  *
3120  * Currently the only user of this function is the script browser, which
3121  * will list all statically runnable scripts, select one, execute it and
3122  * show the output in a perf browser.
3123  */
3124 int find_scripts(char **scripts_array, char **scripts_path_array, int num,
3125 		 int pathlen)
3126 {
3127 	struct dirent *script_dirent, *lang_dirent;
3128 	char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
3129 	DIR *scripts_dir, *lang_dir;
3130 	struct perf_session *session;
3131 	struct perf_data data = {
3132 		.path = input_name,
3133 		.mode = PERF_DATA_MODE_READ,
3134 	};
3135 	char *temp;
3136 	int i = 0;
3137 
3138 	session = perf_session__new(&data, false, NULL);
3139 	if (IS_ERR(session))
3140 		return PTR_ERR(session);
3141 
3142 	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3143 
3144 	scripts_dir = opendir(scripts_path);
3145 	if (!scripts_dir) {
3146 		perf_session__delete(session);
3147 		return -1;
3148 	}
3149 
3150 	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3151 		scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
3152 			  lang_dirent->d_name);
3153 #ifndef HAVE_LIBPERL_SUPPORT
3154 		if (strstr(lang_path, "perl"))
3155 			continue;
3156 #endif
3157 #ifndef HAVE_LIBPYTHON_SUPPORT
3158 		if (strstr(lang_path, "python"))
3159 			continue;
3160 #endif
3161 
3162 		lang_dir = opendir(lang_path);
3163 		if (!lang_dir)
3164 			continue;
3165 
3166 		for_each_script(lang_path, lang_dir, script_dirent) {
3167 			/* Skip those real time scripts: xxxtop.p[yl] */
3168 			if (strstr(script_dirent->d_name, "top."))
3169 				continue;
3170 			if (i >= num)
3171 				break;
3172 			snprintf(scripts_path_array[i], pathlen, "%s/%s",
3173 				lang_path,
3174 				script_dirent->d_name);
3175 			temp = strchr(script_dirent->d_name, '.');
3176 			snprintf(scripts_array[i],
3177 				(temp - script_dirent->d_name) + 1,
3178 				"%s", script_dirent->d_name);
3179 
3180 			if (check_ev_match(lang_path,
3181 					scripts_array[i], session))
3182 				continue;
3183 
3184 			i++;
3185 		}
3186 		closedir(lang_dir);
3187 	}
3188 
3189 	closedir(scripts_dir);
3190 	perf_session__delete(session);
3191 	return i;
3192 }
3193 
3194 static char *get_script_path(const char *script_root, const char *suffix)
3195 {
3196 	struct dirent *script_dirent, *lang_dirent;
3197 	char scripts_path[MAXPATHLEN];
3198 	char script_path[MAXPATHLEN];
3199 	DIR *scripts_dir, *lang_dir;
3200 	char lang_path[MAXPATHLEN];
3201 	char *__script_root;
3202 
3203 	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3204 
3205 	scripts_dir = opendir(scripts_path);
3206 	if (!scripts_dir)
3207 		return NULL;
3208 
3209 	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3210 		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3211 			  lang_dirent->d_name);
3212 		lang_dir = opendir(lang_path);
3213 		if (!lang_dir)
3214 			continue;
3215 
3216 		for_each_script(lang_path, lang_dir, script_dirent) {
3217 			__script_root = get_script_root(script_dirent, suffix);
3218 			if (__script_root && !strcmp(script_root, __script_root)) {
3219 				free(__script_root);
3220 				closedir(scripts_dir);
3221 				scnprintf(script_path, MAXPATHLEN, "%s/%s",
3222 					  lang_path, script_dirent->d_name);
3223 				closedir(lang_dir);
3224 				return strdup(script_path);
3225 			}
3226 			free(__script_root);
3227 		}
3228 		closedir(lang_dir);
3229 	}
3230 	closedir(scripts_dir);
3231 
3232 	return NULL;
3233 }
3234 
3235 static bool is_top_script(const char *script_path)
3236 {
3237 	return ends_with(script_path, "top") == NULL ? false : true;
3238 }
3239 
3240 static int has_required_arg(char *script_path)
3241 {
3242 	struct script_desc *desc;
3243 	int n_args = 0;
3244 	char *p;
3245 
3246 	desc = script_desc__new(NULL);
3247 
3248 	if (read_script_info(desc, script_path))
3249 		goto out;
3250 
3251 	if (!desc->args)
3252 		goto out;
3253 
3254 	for (p = desc->args; *p; p++)
3255 		if (*p == '<')
3256 			n_args++;
3257 out:
3258 	script_desc__delete(desc);
3259 
3260 	return n_args;
3261 }
3262 
3263 static int have_cmd(int argc, const char **argv)
3264 {
3265 	char **__argv = malloc(sizeof(const char *) * argc);
3266 
3267 	if (!__argv) {
3268 		pr_err("malloc failed\n");
3269 		return -1;
3270 	}
3271 
3272 	memcpy(__argv, argv, sizeof(const char *) * argc);
3273 	argc = parse_options(argc, (const char **)__argv, record_options,
3274 			     NULL, PARSE_OPT_STOP_AT_NON_OPTION);
3275 	free(__argv);
3276 
3277 	system_wide = (argc == 0);
3278 
3279 	return 0;
3280 }
3281 
3282 static void script__setup_sample_type(struct perf_script *script)
3283 {
3284 	struct perf_session *session = script->session;
3285 	u64 sample_type = evlist__combined_sample_type(session->evlist);
3286 
3287 	if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
3288 		if ((sample_type & PERF_SAMPLE_REGS_USER) &&
3289 		    (sample_type & PERF_SAMPLE_STACK_USER)) {
3290 			callchain_param.record_mode = CALLCHAIN_DWARF;
3291 			dwarf_callchain_users = true;
3292 		} else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
3293 			callchain_param.record_mode = CALLCHAIN_LBR;
3294 		else
3295 			callchain_param.record_mode = CALLCHAIN_FP;
3296 	}
3297 
3298 	if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) {
3299 		pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
3300 			   "Please apply --call-graph lbr when recording.\n");
3301 		script->stitch_lbr = false;
3302 	}
3303 }
3304 
3305 static int process_stat_round_event(struct perf_session *session,
3306 				    union perf_event *event)
3307 {
3308 	struct perf_record_stat_round *round = &event->stat_round;
3309 	struct evsel *counter;
3310 
3311 	evlist__for_each_entry(session->evlist, counter) {
3312 		perf_stat_process_counter(&stat_config, counter);
3313 		process_stat(counter, round->time);
3314 	}
3315 
3316 	process_stat_interval(round->time);
3317 	return 0;
3318 }
3319 
3320 static int process_stat_config_event(struct perf_session *session __maybe_unused,
3321 				     union perf_event *event)
3322 {
3323 	perf_event__read_stat_config(&stat_config, &event->stat_config);
3324 	return 0;
3325 }
3326 
3327 static int set_maps(struct perf_script *script)
3328 {
3329 	struct evlist *evlist = script->session->evlist;
3330 
3331 	if (!script->cpus || !script->threads)
3332 		return 0;
3333 
3334 	if (WARN_ONCE(script->allocated, "stats double allocation\n"))
3335 		return -EINVAL;
3336 
3337 	perf_evlist__set_maps(&evlist->core, script->cpus, script->threads);
3338 
3339 	if (evlist__alloc_stats(evlist, true))
3340 		return -ENOMEM;
3341 
3342 	script->allocated = true;
3343 	return 0;
3344 }
3345 
3346 static
3347 int process_thread_map_event(struct perf_session *session,
3348 			     union perf_event *event)
3349 {
3350 	struct perf_tool *tool = session->tool;
3351 	struct perf_script *script = container_of(tool, struct perf_script, tool);
3352 
3353 	if (script->threads) {
3354 		pr_warning("Extra thread map event, ignoring.\n");
3355 		return 0;
3356 	}
3357 
3358 	script->threads = thread_map__new_event(&event->thread_map);
3359 	if (!script->threads)
3360 		return -ENOMEM;
3361 
3362 	return set_maps(script);
3363 }
3364 
3365 static
3366 int process_cpu_map_event(struct perf_session *session,
3367 			  union perf_event *event)
3368 {
3369 	struct perf_tool *tool = session->tool;
3370 	struct perf_script *script = container_of(tool, struct perf_script, tool);
3371 
3372 	if (script->cpus) {
3373 		pr_warning("Extra cpu map event, ignoring.\n");
3374 		return 0;
3375 	}
3376 
3377 	script->cpus = cpu_map__new_data(&event->cpu_map.data);
3378 	if (!script->cpus)
3379 		return -ENOMEM;
3380 
3381 	return set_maps(script);
3382 }
3383 
3384 static int process_feature_event(struct perf_session *session,
3385 				 union perf_event *event)
3386 {
3387 	if (event->feat.feat_id < HEADER_LAST_FEATURE)
3388 		return perf_event__process_feature(session, event);
3389 	return 0;
3390 }
3391 
3392 #ifdef HAVE_AUXTRACE_SUPPORT
3393 static int perf_script__process_auxtrace_info(struct perf_session *session,
3394 					      union perf_event *event)
3395 {
3396 	struct perf_tool *tool = session->tool;
3397 
3398 	int ret = perf_event__process_auxtrace_info(session, event);
3399 
3400 	if (ret == 0) {
3401 		struct perf_script *script = container_of(tool, struct perf_script, tool);
3402 
3403 		ret = perf_script__setup_per_event_dump(script);
3404 	}
3405 
3406 	return ret;
3407 }
3408 #else
3409 #define perf_script__process_auxtrace_info 0
3410 #endif
3411 
3412 static int parse_insn_trace(const struct option *opt __maybe_unused,
3413 			    const char *str __maybe_unused,
3414 			    int unset __maybe_unused)
3415 {
3416 	parse_output_fields(NULL, "+insn,-event,-period", 0);
3417 	itrace_parse_synth_opts(opt, "i0ns", 0);
3418 	symbol_conf.nanosecs = true;
3419 	return 0;
3420 }
3421 
3422 static int parse_xed(const struct option *opt __maybe_unused,
3423 		     const char *str __maybe_unused,
3424 		     int unset __maybe_unused)
3425 {
3426 	if (isatty(1))
3427 		force_pager("xed -F insn: -A -64 | less");
3428 	else
3429 		force_pager("xed -F insn: -A -64");
3430 	return 0;
3431 }
3432 
3433 static int parse_call_trace(const struct option *opt __maybe_unused,
3434 			    const char *str __maybe_unused,
3435 			    int unset __maybe_unused)
3436 {
3437 	parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
3438 	itrace_parse_synth_opts(opt, "cewp", 0);
3439 	symbol_conf.nanosecs = true;
3440 	symbol_conf.pad_output_len_dso = 50;
3441 	return 0;
3442 }
3443 
3444 static int parse_callret_trace(const struct option *opt __maybe_unused,
3445 			    const char *str __maybe_unused,
3446 			    int unset __maybe_unused)
3447 {
3448 	parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
3449 	itrace_parse_synth_opts(opt, "crewp", 0);
3450 	symbol_conf.nanosecs = true;
3451 	return 0;
3452 }
3453 
3454 int cmd_script(int argc, const char **argv)
3455 {
3456 	bool show_full_info = false;
3457 	bool header = false;
3458 	bool header_only = false;
3459 	bool script_started = false;
3460 	char *rec_script_path = NULL;
3461 	char *rep_script_path = NULL;
3462 	struct perf_session *session;
3463 	struct itrace_synth_opts itrace_synth_opts = {
3464 		.set = false,
3465 		.default_no_sample = true,
3466 	};
3467 	struct utsname uts;
3468 	char *script_path = NULL;
3469 	const char **__argv;
3470 	int i, j, err = 0;
3471 	struct perf_script script = {
3472 		.tool = {
3473 			.sample		 = process_sample_event,
3474 			.mmap		 = perf_event__process_mmap,
3475 			.mmap2		 = perf_event__process_mmap2,
3476 			.comm		 = perf_event__process_comm,
3477 			.namespaces	 = perf_event__process_namespaces,
3478 			.cgroup		 = perf_event__process_cgroup,
3479 			.exit		 = perf_event__process_exit,
3480 			.fork		 = perf_event__process_fork,
3481 			.attr		 = process_attr,
3482 			.event_update   = perf_event__process_event_update,
3483 			.tracing_data	 = perf_event__process_tracing_data,
3484 			.feature	 = process_feature_event,
3485 			.build_id	 = perf_event__process_build_id,
3486 			.id_index	 = perf_event__process_id_index,
3487 			.auxtrace_info	 = perf_script__process_auxtrace_info,
3488 			.auxtrace	 = perf_event__process_auxtrace,
3489 			.auxtrace_error	 = perf_event__process_auxtrace_error,
3490 			.stat		 = perf_event__process_stat_event,
3491 			.stat_round	 = process_stat_round_event,
3492 			.stat_config	 = process_stat_config_event,
3493 			.thread_map	 = process_thread_map_event,
3494 			.cpu_map	 = process_cpu_map_event,
3495 			.ordered_events	 = true,
3496 			.ordering_requires_timestamps = true,
3497 		},
3498 	};
3499 	struct perf_data data = {
3500 		.mode = PERF_DATA_MODE_READ,
3501 	};
3502 	const struct option options[] = {
3503 	OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3504 		    "dump raw trace in ASCII"),
3505 	OPT_INCR('v', "verbose", &verbose,
3506 		 "be more verbose (show symbol address, etc)"),
3507 	OPT_BOOLEAN('L', "Latency", &latency_format,
3508 		    "show latency attributes (irqs/preemption disabled, etc)"),
3509 	OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3510 			   list_available_scripts),
3511 	OPT_CALLBACK('s', "script", NULL, "name",
3512 		     "script file name (lang:script name, script name, or *)",
3513 		     parse_scriptname),
3514 	OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3515 		   "generate perf-script.xx script in specified language"),
3516 	OPT_STRING('i', "input", &input_name, "file", "input file name"),
3517 	OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3518 		   "do various checks like samples ordering and lost events"),
3519 	OPT_BOOLEAN(0, "header", &header, "Show data header."),
3520 	OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3521 	OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3522 		   "file", "vmlinux pathname"),
3523 	OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3524 		   "file", "kallsyms pathname"),
3525 	OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3526 		    "When printing symbols do not display call chain"),
3527 	OPT_CALLBACK(0, "symfs", NULL, "directory",
3528 		     "Look for files with symbols relative to this directory",
3529 		     symbol__config_symfs),
3530 	OPT_CALLBACK('F', "fields", NULL, "str",
3531 		     "comma separated output fields prepend with 'type:'. "
3532 		     "+field to add and -field to remove."
3533 		     "Valid types: hw,sw,trace,raw,synth. "
3534 		     "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
3535 		     "addr,symoff,srcline,period,iregs,uregs,brstack,"
3536 		     "brstacksym,flags,bpf-output,brstackinsn,brstackoff,"
3537 		     "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc,tod,"
3538 		     "data_page_size",
3539 		     parse_output_fields),
3540 	OPT_BOOLEAN('a', "all-cpus", &system_wide,
3541 		    "system-wide collection from all CPUs"),
3542 	OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3543 		   "only consider these symbols"),
3544 	OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL,
3545 			"Decode instructions from itrace", parse_insn_trace),
3546 	OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
3547 			"Run xed disassembler on output", parse_xed),
3548 	OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
3549 			"Decode calls from from itrace", parse_call_trace),
3550 	OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
3551 			"Decode calls and returns from itrace", parse_callret_trace),
3552 	OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",
3553 			"Only print symbols and callees with --call-trace/--call-ret-trace"),
3554 	OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3555 		   "Stop display of callgraph at these symbols"),
3556 	OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3557 	OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3558 		   "only display events for these comms"),
3559 	OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3560 		   "only consider symbols in these pids"),
3561 	OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3562 		   "only consider symbols in these tids"),
3563 	OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3564 		     "Set the maximum stack depth when parsing the callchain, "
3565 		     "anything beyond the specified depth will be ignored. "
3566 		     "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3567 	OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"),
3568 	OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"),
3569 	OPT_BOOLEAN('I', "show-info", &show_full_info,
3570 		    "display extended information from perf.data file"),
3571 	OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3572 		    "Show the path of [kernel.kallsyms]"),
3573 	OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3574 		    "Show the fork/comm/exit events"),
3575 	OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3576 		    "Show the mmap events"),
3577 	OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3578 		    "Show context switch events (if recorded)"),
3579 	OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3580 		    "Show namespace events (if recorded)"),
3581 	OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events,
3582 		    "Show cgroup events (if recorded)"),
3583 	OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3584 		    "Show lost events (if recorded)"),
3585 	OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3586 		    "Show round events (if recorded)"),
3587 	OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events,
3588 		    "Show bpf related events (if recorded)"),
3589 	OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events,
3590 		    "Show text poke related events (if recorded)"),
3591 	OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
3592 		    "Dump trace output to files named by the monitored events"),
3593 	OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3594 	OPT_INTEGER(0, "max-blocks", &max_blocks,
3595 		    "Maximum number of code blocks to dump with brstackinsn"),
3596 	OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs,
3597 		    "Use 9 decimal places when displaying time"),
3598 	OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
3599 			    "Instruction Tracing options\n" ITRACE_HELP,
3600 			    itrace_parse_synth_opts),
3601 	OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
3602 			"Show full source file name path for source lines"),
3603 	OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
3604 			"Enable symbol demangling"),
3605 	OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
3606 			"Enable kernel symbol demangling"),
3607 	OPT_STRING(0, "time", &script.time_str, "str",
3608 		   "Time span of interest (start,stop)"),
3609 	OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
3610 		    "Show inline function"),
3611 	OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
3612 		   "guest mount directory under which every guest os"
3613 		   " instance has a subdir"),
3614 	OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name,
3615 		   "file", "file saving guest os vmlinux"),
3616 	OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms,
3617 		   "file", "file saving guest os /proc/kallsyms"),
3618 	OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
3619 		   "file", "file saving guest os /proc/modules"),
3620 	OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr,
3621 		    "Enable LBR callgraph stitching approach"),
3622 	OPTS_EVSWITCH(&script.evswitch),
3623 	OPT_END()
3624 	};
3625 	const char * const script_subcommands[] = { "record", "report", NULL };
3626 	const char *script_usage[] = {
3627 		"perf script [<options>]",
3628 		"perf script [<options>] record <script> [<record-options>] <command>",
3629 		"perf script [<options>] report <script> [script-args]",
3630 		"perf script [<options>] <script> [<record-options>] <command>",
3631 		"perf script [<options>] <top-script> [script-args]",
3632 		NULL
3633 	};
3634 
3635 	perf_set_singlethreaded();
3636 
3637 	setup_scripting();
3638 
3639 	argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3640 			     PARSE_OPT_STOP_AT_NON_OPTION);
3641 
3642 	if (symbol_conf.guestmount ||
3643 	    symbol_conf.default_guest_vmlinux_name ||
3644 	    symbol_conf.default_guest_kallsyms ||
3645 	    symbol_conf.default_guest_modules) {
3646 		/*
3647 		 * Enable guest sample processing.
3648 		 */
3649 		perf_guest = true;
3650 	}
3651 
3652 	data.path  = input_name;
3653 	data.force = symbol_conf.force;
3654 
3655 	if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
3656 		rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
3657 		if (!rec_script_path)
3658 			return cmd_record(argc, argv);
3659 	}
3660 
3661 	if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
3662 		rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
3663 		if (!rep_script_path) {
3664 			fprintf(stderr,
3665 				"Please specify a valid report script"
3666 				"(see 'perf script -l' for listing)\n");
3667 			return -1;
3668 		}
3669 	}
3670 
3671 	if (reltime && deltatime) {
3672 		fprintf(stderr,
3673 			"reltime and deltatime - the two don't get along well. "
3674 			"Please limit to --reltime or --deltatime.\n");
3675 		return -1;
3676 	}
3677 
3678 	if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) &&
3679 	    itrace_synth_opts.callchain_sz > scripting_max_stack)
3680 		scripting_max_stack = itrace_synth_opts.callchain_sz;
3681 
3682 	/* make sure PERF_EXEC_PATH is set for scripts */
3683 	set_argv_exec_path(get_argv_exec_path());
3684 
3685 	if (argc && !script_name && !rec_script_path && !rep_script_path) {
3686 		int live_pipe[2];
3687 		int rep_args;
3688 		pid_t pid;
3689 
3690 		rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
3691 		rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
3692 
3693 		if (!rec_script_path && !rep_script_path) {
3694 			usage_with_options_msg(script_usage, options,
3695 				"Couldn't find script `%s'\n\n See perf"
3696 				" script -l for available scripts.\n", argv[0]);
3697 		}
3698 
3699 		if (is_top_script(argv[0])) {
3700 			rep_args = argc - 1;
3701 		} else {
3702 			int rec_args;
3703 
3704 			rep_args = has_required_arg(rep_script_path);
3705 			rec_args = (argc - 1) - rep_args;
3706 			if (rec_args < 0) {
3707 				usage_with_options_msg(script_usage, options,
3708 					"`%s' script requires options."
3709 					"\n\n See perf script -l for available "
3710 					"scripts and options.\n", argv[0]);
3711 			}
3712 		}
3713 
3714 		if (pipe(live_pipe) < 0) {
3715 			perror("failed to create pipe");
3716 			return -1;
3717 		}
3718 
3719 		pid = fork();
3720 		if (pid < 0) {
3721 			perror("failed to fork");
3722 			return -1;
3723 		}
3724 
3725 		if (!pid) {
3726 			j = 0;
3727 
3728 			dup2(live_pipe[1], 1);
3729 			close(live_pipe[0]);
3730 
3731 			if (is_top_script(argv[0])) {
3732 				system_wide = true;
3733 			} else if (!system_wide) {
3734 				if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
3735 					err = -1;
3736 					goto out;
3737 				}
3738 			}
3739 
3740 			__argv = malloc((argc + 6) * sizeof(const char *));
3741 			if (!__argv) {
3742 				pr_err("malloc failed\n");
3743 				err = -ENOMEM;
3744 				goto out;
3745 			}
3746 
3747 			__argv[j++] = "/bin/sh";
3748 			__argv[j++] = rec_script_path;
3749 			if (system_wide)
3750 				__argv[j++] = "-a";
3751 			__argv[j++] = "-q";
3752 			__argv[j++] = "-o";
3753 			__argv[j++] = "-";
3754 			for (i = rep_args + 1; i < argc; i++)
3755 				__argv[j++] = argv[i];
3756 			__argv[j++] = NULL;
3757 
3758 			execvp("/bin/sh", (char **)__argv);
3759 			free(__argv);
3760 			exit(-1);
3761 		}
3762 
3763 		dup2(live_pipe[0], 0);
3764 		close(live_pipe[1]);
3765 
3766 		__argv = malloc((argc + 4) * sizeof(const char *));
3767 		if (!__argv) {
3768 			pr_err("malloc failed\n");
3769 			err = -ENOMEM;
3770 			goto out;
3771 		}
3772 
3773 		j = 0;
3774 		__argv[j++] = "/bin/sh";
3775 		__argv[j++] = rep_script_path;
3776 		for (i = 1; i < rep_args + 1; i++)
3777 			__argv[j++] = argv[i];
3778 		__argv[j++] = "-i";
3779 		__argv[j++] = "-";
3780 		__argv[j++] = NULL;
3781 
3782 		execvp("/bin/sh", (char **)__argv);
3783 		free(__argv);
3784 		exit(-1);
3785 	}
3786 
3787 	if (rec_script_path)
3788 		script_path = rec_script_path;
3789 	if (rep_script_path)
3790 		script_path = rep_script_path;
3791 
3792 	if (script_path) {
3793 		j = 0;
3794 
3795 		if (!rec_script_path)
3796 			system_wide = false;
3797 		else if (!system_wide) {
3798 			if (have_cmd(argc - 1, &argv[1]) != 0) {
3799 				err = -1;
3800 				goto out;
3801 			}
3802 		}
3803 
3804 		__argv = malloc((argc + 2) * sizeof(const char *));
3805 		if (!__argv) {
3806 			pr_err("malloc failed\n");
3807 			err = -ENOMEM;
3808 			goto out;
3809 		}
3810 
3811 		__argv[j++] = "/bin/sh";
3812 		__argv[j++] = script_path;
3813 		if (system_wide)
3814 			__argv[j++] = "-a";
3815 		for (i = 2; i < argc; i++)
3816 			__argv[j++] = argv[i];
3817 		__argv[j++] = NULL;
3818 
3819 		execvp("/bin/sh", (char **)__argv);
3820 		free(__argv);
3821 		exit(-1);
3822 	}
3823 
3824 	if (!script_name) {
3825 		setup_pager();
3826 		use_browser = 0;
3827 	}
3828 
3829 	session = perf_session__new(&data, false, &script.tool);
3830 	if (IS_ERR(session))
3831 		return PTR_ERR(session);
3832 
3833 	if (header || header_only) {
3834 		script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
3835 		perf_session__fprintf_info(session, stdout, show_full_info);
3836 		if (header_only)
3837 			goto out_delete;
3838 	}
3839 	if (show_full_info)
3840 		script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
3841 
3842 	if (symbol__init(&session->header.env) < 0)
3843 		goto out_delete;
3844 
3845 	uname(&uts);
3846 	if (data.is_pipe ||  /* assume pipe_mode indicates native_arch */
3847 	    !strcmp(uts.machine, session->header.env.arch) ||
3848 	    (!strcmp(uts.machine, "x86_64") &&
3849 	     !strcmp(session->header.env.arch, "i386")))
3850 		native_arch = true;
3851 
3852 	script.session = session;
3853 	script__setup_sample_type(&script);
3854 
3855 	if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) ||
3856 	    symbol_conf.graph_function)
3857 		itrace_synth_opts.thread_stack = true;
3858 
3859 	session->itrace_synth_opts = &itrace_synth_opts;
3860 
3861 	if (cpu_list) {
3862 		err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
3863 		if (err < 0)
3864 			goto out_delete;
3865 		itrace_synth_opts.cpu_bitmap = cpu_bitmap;
3866 	}
3867 
3868 	if (!no_callchain)
3869 		symbol_conf.use_callchain = true;
3870 	else
3871 		symbol_conf.use_callchain = false;
3872 
3873 	if (session->tevent.pevent &&
3874 	    tep_set_function_resolver(session->tevent.pevent,
3875 				      machine__resolve_kernel_addr,
3876 				      &session->machines.host) < 0) {
3877 		pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
3878 		err = -1;
3879 		goto out_delete;
3880 	}
3881 
3882 	if (generate_script_lang) {
3883 		struct stat perf_stat;
3884 		int input;
3885 
3886 		if (output_set_by_user()) {
3887 			fprintf(stderr,
3888 				"custom fields not supported for generated scripts");
3889 			err = -EINVAL;
3890 			goto out_delete;
3891 		}
3892 
3893 		input = open(data.path, O_RDONLY);	/* input_name */
3894 		if (input < 0) {
3895 			err = -errno;
3896 			perror("failed to open file");
3897 			goto out_delete;
3898 		}
3899 
3900 		err = fstat(input, &perf_stat);
3901 		if (err < 0) {
3902 			perror("failed to stat file");
3903 			goto out_delete;
3904 		}
3905 
3906 		if (!perf_stat.st_size) {
3907 			fprintf(stderr, "zero-sized file, nothing to do!\n");
3908 			goto out_delete;
3909 		}
3910 
3911 		scripting_ops = script_spec__lookup(generate_script_lang);
3912 		if (!scripting_ops) {
3913 			fprintf(stderr, "invalid language specifier");
3914 			err = -ENOENT;
3915 			goto out_delete;
3916 		}
3917 
3918 		err = scripting_ops->generate_script(session->tevent.pevent,
3919 						     "perf-script");
3920 		goto out_delete;
3921 	}
3922 
3923 	if (script_name) {
3924 		err = scripting_ops->start_script(script_name, argc, argv);
3925 		if (err)
3926 			goto out_delete;
3927 		pr_debug("perf script started with script %s\n\n", script_name);
3928 		script_started = true;
3929 	}
3930 
3931 
3932 	err = perf_session__check_output_opt(session);
3933 	if (err < 0)
3934 		goto out_delete;
3935 
3936 	if (script.time_str) {
3937 		err = perf_time__parse_for_ranges_reltime(script.time_str, session,
3938 						  &script.ptime_range,
3939 						  &script.range_size,
3940 						  &script.range_num,
3941 						  reltime);
3942 		if (err < 0)
3943 			goto out_delete;
3944 
3945 		itrace_synth_opts__set_time_range(&itrace_synth_opts,
3946 						  script.ptime_range,
3947 						  script.range_num);
3948 	}
3949 
3950 	err = evswitch__init(&script.evswitch, session->evlist, stderr);
3951 	if (err)
3952 		goto out_delete;
3953 
3954 	if (zstd_init(&(session->zstd_data), 0) < 0)
3955 		pr_warning("Decompression initialization failed. Reported data may be incomplete.\n");
3956 
3957 	err = __cmd_script(&script);
3958 
3959 	flush_scripting();
3960 
3961 out_delete:
3962 	if (script.ptime_range) {
3963 		itrace_synth_opts__clear_time_range(&itrace_synth_opts);
3964 		zfree(&script.ptime_range);
3965 	}
3966 
3967 	evlist__free_stats(session->evlist);
3968 	perf_session__delete(session);
3969 
3970 	if (script_started)
3971 		cleanup_scripting();
3972 out:
3973 	return err;
3974 }
3975