xref: /openbmc/linux/tools/perf/builtin-script.c (revision 6005a8e9)
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 	PERF_OUTPUT_CODE_PAGE_SIZE  = 1ULL << 34,
121 };
122 
123 struct perf_script {
124 	struct perf_tool	tool;
125 	struct perf_session	*session;
126 	bool			show_task_events;
127 	bool			show_mmap_events;
128 	bool			show_switch_events;
129 	bool			show_namespace_events;
130 	bool			show_lost_events;
131 	bool			show_round_events;
132 	bool			show_bpf_events;
133 	bool			show_cgroup_events;
134 	bool			show_text_poke_events;
135 	bool			allocated;
136 	bool			per_event_dump;
137 	bool			stitch_lbr;
138 	struct evswitch		evswitch;
139 	struct perf_cpu_map	*cpus;
140 	struct perf_thread_map *threads;
141 	int			name_width;
142 	const char              *time_str;
143 	struct perf_time_interval *ptime_range;
144 	int			range_size;
145 	int			range_num;
146 };
147 
148 struct output_option {
149 	const char *str;
150 	enum perf_output_field field;
151 } all_output_options[] = {
152 	{.str = "comm",  .field = PERF_OUTPUT_COMM},
153 	{.str = "tid",   .field = PERF_OUTPUT_TID},
154 	{.str = "pid",   .field = PERF_OUTPUT_PID},
155 	{.str = "time",  .field = PERF_OUTPUT_TIME},
156 	{.str = "cpu",   .field = PERF_OUTPUT_CPU},
157 	{.str = "event", .field = PERF_OUTPUT_EVNAME},
158 	{.str = "trace", .field = PERF_OUTPUT_TRACE},
159 	{.str = "ip",    .field = PERF_OUTPUT_IP},
160 	{.str = "sym",   .field = PERF_OUTPUT_SYM},
161 	{.str = "dso",   .field = PERF_OUTPUT_DSO},
162 	{.str = "addr",  .field = PERF_OUTPUT_ADDR},
163 	{.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
164 	{.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
165 	{.str = "period", .field = PERF_OUTPUT_PERIOD},
166 	{.str = "iregs", .field = PERF_OUTPUT_IREGS},
167 	{.str = "uregs", .field = PERF_OUTPUT_UREGS},
168 	{.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
169 	{.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
170 	{.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
171 	{.str = "weight",   .field = PERF_OUTPUT_WEIGHT},
172 	{.str = "bpf-output",   .field = PERF_OUTPUT_BPF_OUTPUT},
173 	{.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
174 	{.str = "insn", .field = PERF_OUTPUT_INSN},
175 	{.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
176 	{.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
177 	{.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
178 	{.str = "synth", .field = PERF_OUTPUT_SYNTH},
179 	{.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
180 	{.str = "metric", .field = PERF_OUTPUT_METRIC},
181 	{.str = "misc", .field = PERF_OUTPUT_MISC},
182 	{.str = "srccode", .field = PERF_OUTPUT_SRCCODE},
183 	{.str = "ipc", .field = PERF_OUTPUT_IPC},
184 	{.str = "tod", .field = PERF_OUTPUT_TOD},
185 	{.str = "data_page_size", .field = PERF_OUTPUT_DATA_PAGE_SIZE},
186 	{.str = "code_page_size", .field = PERF_OUTPUT_CODE_PAGE_SIZE},
187 };
188 
189 enum {
190 	OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
191 	OUTPUT_TYPE_OTHER,
192 	OUTPUT_TYPE_MAX
193 };
194 
195 /* default set to maintain compatibility with current format */
196 static struct {
197 	bool user_set;
198 	bool wildcard_set;
199 	unsigned int print_ip_opts;
200 	u64 fields;
201 	u64 invalid_fields;
202 	u64 user_set_fields;
203 	u64 user_unset_fields;
204 } output[OUTPUT_TYPE_MAX] = {
205 
206 	[PERF_TYPE_HARDWARE] = {
207 		.user_set = false,
208 
209 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
210 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
211 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
212 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
213 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
214 
215 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
216 	},
217 
218 	[PERF_TYPE_SOFTWARE] = {
219 		.user_set = false,
220 
221 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
222 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
223 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
224 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
225 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
226 			      PERF_OUTPUT_BPF_OUTPUT,
227 
228 		.invalid_fields = PERF_OUTPUT_TRACE,
229 	},
230 
231 	[PERF_TYPE_TRACEPOINT] = {
232 		.user_set = false,
233 
234 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
235 				  PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
236 				  PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
237 	},
238 
239 	[PERF_TYPE_HW_CACHE] = {
240 		.user_set = false,
241 
242 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
243 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
244 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
245 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
246 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
247 
248 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
249 	},
250 
251 	[PERF_TYPE_RAW] = {
252 		.user_set = false,
253 
254 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
255 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
256 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
257 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
258 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
259 			      PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
260 			      PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR |
261 			      PERF_OUTPUT_DATA_PAGE_SIZE | PERF_OUTPUT_CODE_PAGE_SIZE,
262 
263 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
264 	},
265 
266 	[PERF_TYPE_BREAKPOINT] = {
267 		.user_set = false,
268 
269 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
270 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
271 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
272 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
273 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
274 
275 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
276 	},
277 
278 	[OUTPUT_TYPE_SYNTH] = {
279 		.user_set = false,
280 
281 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
282 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
283 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
284 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
285 			      PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH,
286 
287 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
288 	},
289 
290 	[OUTPUT_TYPE_OTHER] = {
291 		.user_set = false,
292 
293 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
294 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
295 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
296 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
297 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
298 
299 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
300 	},
301 };
302 
303 struct evsel_script {
304        char *filename;
305        FILE *fp;
306        u64  samples;
307        /* For metric output */
308        u64  val;
309        int  gnum;
310 };
311 
312 static inline struct evsel_script *evsel_script(struct evsel *evsel)
313 {
314 	return (struct evsel_script *)evsel->priv;
315 }
316 
317 static struct evsel_script *evsel_script__new(struct evsel *evsel, struct perf_data *data)
318 {
319 	struct evsel_script *es = zalloc(sizeof(*es));
320 
321 	if (es != NULL) {
322 		if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0)
323 			goto out_free;
324 		es->fp = fopen(es->filename, "w");
325 		if (es->fp == NULL)
326 			goto out_free_filename;
327 	}
328 
329 	return es;
330 out_free_filename:
331 	zfree(&es->filename);
332 out_free:
333 	free(es);
334 	return NULL;
335 }
336 
337 static void evsel_script__delete(struct evsel_script *es)
338 {
339 	zfree(&es->filename);
340 	fclose(es->fp);
341 	es->fp = NULL;
342 	free(es);
343 }
344 
345 static int evsel_script__fprintf(struct evsel_script *es, FILE *fp)
346 {
347 	struct stat st;
348 
349 	fstat(fileno(es->fp), &st);
350 	return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
351 		       st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
352 }
353 
354 static inline int output_type(unsigned int type)
355 {
356 	switch (type) {
357 	case PERF_TYPE_SYNTH:
358 		return OUTPUT_TYPE_SYNTH;
359 	default:
360 		if (type < PERF_TYPE_MAX)
361 			return type;
362 	}
363 
364 	return OUTPUT_TYPE_OTHER;
365 }
366 
367 static inline unsigned int attr_type(unsigned int type)
368 {
369 	switch (type) {
370 	case OUTPUT_TYPE_SYNTH:
371 		return PERF_TYPE_SYNTH;
372 	default:
373 		return type;
374 	}
375 }
376 
377 static bool output_set_by_user(void)
378 {
379 	int j;
380 	for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
381 		if (output[j].user_set)
382 			return true;
383 	}
384 	return false;
385 }
386 
387 static const char *output_field2str(enum perf_output_field field)
388 {
389 	int i, imax = ARRAY_SIZE(all_output_options);
390 	const char *str = "";
391 
392 	for (i = 0; i < imax; ++i) {
393 		if (all_output_options[i].field == field) {
394 			str = all_output_options[i].str;
395 			break;
396 		}
397 	}
398 	return str;
399 }
400 
401 #define PRINT_FIELD(x)  (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
402 
403 static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
404 				 enum perf_output_field field, bool allow_user_set)
405 {
406 	struct perf_event_attr *attr = &evsel->core.attr;
407 	int type = output_type(attr->type);
408 	const char *evname;
409 
410 	if (attr->sample_type & sample_type)
411 		return 0;
412 
413 	if (output[type].user_set_fields & field) {
414 		if (allow_user_set)
415 			return 0;
416 		evname = evsel__name(evsel);
417 		pr_err("Samples for '%s' event do not have %s attribute set. "
418 		       "Cannot print '%s' field.\n",
419 		       evname, sample_msg, output_field2str(field));
420 		return -1;
421 	}
422 
423 	/* user did not ask for it explicitly so remove from the default list */
424 	output[type].fields &= ~field;
425 	evname = evsel__name(evsel);
426 	pr_debug("Samples for '%s' event do not have %s attribute set. "
427 		 "Skipping '%s' field.\n",
428 		 evname, sample_msg, output_field2str(field));
429 
430 	return 0;
431 }
432 
433 static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
434 			      enum perf_output_field field)
435 {
436 	return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false);
437 }
438 
439 static int evsel__check_attr(struct evsel *evsel, struct perf_session *session)
440 {
441 	struct perf_event_attr *attr = &evsel->core.attr;
442 	bool allow_user_set;
443 
444 	if (perf_header__has_feat(&session->header, HEADER_STAT))
445 		return 0;
446 
447 	allow_user_set = perf_header__has_feat(&session->header,
448 					       HEADER_AUXTRACE);
449 
450 	if (PRINT_FIELD(TRACE) &&
451 	    !perf_session__has_traces(session, "record -R"))
452 		return -EINVAL;
453 
454 	if (PRINT_FIELD(IP)) {
455 		if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP))
456 			return -EINVAL;
457 	}
458 
459 	if (PRINT_FIELD(ADDR) &&
460 	    evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set))
461 		return -EINVAL;
462 
463 	if (PRINT_FIELD(DATA_SRC) &&
464 	    evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC))
465 		return -EINVAL;
466 
467 	if (PRINT_FIELD(WEIGHT) &&
468 	    evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT", PERF_OUTPUT_WEIGHT))
469 		return -EINVAL;
470 
471 	if (PRINT_FIELD(SYM) &&
472 	    !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
473 		pr_err("Display of symbols requested but neither sample IP nor "
474 			   "sample address\navailable. Hence, no addresses to convert "
475 		       "to symbols.\n");
476 		return -EINVAL;
477 	}
478 	if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
479 		pr_err("Display of offsets requested but symbol is not"
480 		       "selected.\n");
481 		return -EINVAL;
482 	}
483 	if (PRINT_FIELD(DSO) &&
484 	    !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
485 		pr_err("Display of DSO requested but no address to convert.\n");
486 		return -EINVAL;
487 	}
488 	if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) {
489 		pr_err("Display of source line number requested but sample IP is not\n"
490 		       "selected. Hence, no address to lookup the source line number.\n");
491 		return -EINVAL;
492 	}
493 	if (PRINT_FIELD(BRSTACKINSN) && !allow_user_set &&
494 	    !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) {
495 		pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
496 		       "Hint: run 'perf record -b ...'\n");
497 		return -EINVAL;
498 	}
499 	if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
500 	    evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID))
501 		return -EINVAL;
502 
503 	if (PRINT_FIELD(TIME) &&
504 	    evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME))
505 		return -EINVAL;
506 
507 	if (PRINT_FIELD(CPU) &&
508 	    evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set))
509 		return -EINVAL;
510 
511 	if (PRINT_FIELD(IREGS) &&
512 	    evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set))
513 		return -EINVAL;
514 
515 	if (PRINT_FIELD(UREGS) &&
516 	    evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS))
517 		return -EINVAL;
518 
519 	if (PRINT_FIELD(PHYS_ADDR) &&
520 	    evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR))
521 		return -EINVAL;
522 
523 	if (PRINT_FIELD(DATA_PAGE_SIZE) &&
524 	    evsel__check_stype(evsel, PERF_SAMPLE_DATA_PAGE_SIZE, "DATA_PAGE_SIZE", PERF_OUTPUT_DATA_PAGE_SIZE))
525 		return -EINVAL;
526 
527 	if (PRINT_FIELD(CODE_PAGE_SIZE) &&
528 	    evsel__check_stype(evsel, PERF_SAMPLE_CODE_PAGE_SIZE, "CODE_PAGE_SIZE", PERF_OUTPUT_CODE_PAGE_SIZE))
529 		return -EINVAL;
530 
531 	return 0;
532 }
533 
534 static void set_print_ip_opts(struct perf_event_attr *attr)
535 {
536 	unsigned int type = output_type(attr->type);
537 
538 	output[type].print_ip_opts = 0;
539 	if (PRINT_FIELD(IP))
540 		output[type].print_ip_opts |= EVSEL__PRINT_IP;
541 
542 	if (PRINT_FIELD(SYM))
543 		output[type].print_ip_opts |= EVSEL__PRINT_SYM;
544 
545 	if (PRINT_FIELD(DSO))
546 		output[type].print_ip_opts |= EVSEL__PRINT_DSO;
547 
548 	if (PRINT_FIELD(SYMOFFSET))
549 		output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
550 
551 	if (PRINT_FIELD(SRCLINE))
552 		output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
553 }
554 
555 /*
556  * verify all user requested events exist and the samples
557  * have the expected data
558  */
559 static int perf_session__check_output_opt(struct perf_session *session)
560 {
561 	bool tod = false;
562 	unsigned int j;
563 	struct evsel *evsel;
564 
565 	for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
566 		evsel = perf_session__find_first_evtype(session, attr_type(j));
567 
568 		/*
569 		 * even if fields is set to 0 (ie., show nothing) event must
570 		 * exist if user explicitly includes it on the command line
571 		 */
572 		if (!evsel && output[j].user_set && !output[j].wildcard_set &&
573 		    j != OUTPUT_TYPE_SYNTH) {
574 			pr_err("%s events do not exist. "
575 			       "Remove corresponding -F option to proceed.\n",
576 			       event_type(j));
577 			return -1;
578 		}
579 
580 		if (evsel && output[j].fields &&
581 			evsel__check_attr(evsel, session))
582 			return -1;
583 
584 		if (evsel == NULL)
585 			continue;
586 
587 		set_print_ip_opts(&evsel->core.attr);
588 		tod |= output[j].fields & PERF_OUTPUT_TOD;
589 	}
590 
591 	if (!no_callchain) {
592 		bool use_callchain = false;
593 		bool not_pipe = false;
594 
595 		evlist__for_each_entry(session->evlist, evsel) {
596 			not_pipe = true;
597 			if (evsel__has_callchain(evsel)) {
598 				use_callchain = true;
599 				break;
600 			}
601 		}
602 		if (not_pipe && !use_callchain)
603 			symbol_conf.use_callchain = false;
604 	}
605 
606 	/*
607 	 * set default for tracepoints to print symbols only
608 	 * if callchains are present
609 	 */
610 	if (symbol_conf.use_callchain &&
611 	    !output[PERF_TYPE_TRACEPOINT].user_set) {
612 		j = PERF_TYPE_TRACEPOINT;
613 
614 		evlist__for_each_entry(session->evlist, evsel) {
615 			if (evsel->core.attr.type != j)
616 				continue;
617 
618 			if (evsel__has_callchain(evsel)) {
619 				output[j].fields |= PERF_OUTPUT_IP;
620 				output[j].fields |= PERF_OUTPUT_SYM;
621 				output[j].fields |= PERF_OUTPUT_SYMOFFSET;
622 				output[j].fields |= PERF_OUTPUT_DSO;
623 				set_print_ip_opts(&evsel->core.attr);
624 				goto out;
625 			}
626 		}
627 	}
628 
629 	if (tod && !session->header.env.clock.enabled) {
630 		pr_err("Can't provide 'tod' time, missing clock data. "
631 		       "Please record with -k/--clockid option.\n");
632 		return -1;
633 	}
634 out:
635 	return 0;
636 }
637 
638 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask,
639 				     FILE *fp)
640 {
641 	unsigned i = 0, r;
642 	int printed = 0;
643 
644 	if (!regs || !regs->regs)
645 		return 0;
646 
647 	printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
648 
649 	for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
650 		u64 val = regs->regs[i++];
651 		printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
652 	}
653 
654 	return printed;
655 }
656 
657 #define DEFAULT_TOD_FMT "%F %H:%M:%S"
658 
659 static char*
660 tod_scnprintf(struct perf_script *script, char *buf, int buflen,
661 	     u64 timestamp)
662 {
663 	u64 tod_ns, clockid_ns;
664 	struct perf_env *env;
665 	unsigned long nsec;
666 	struct tm ltime;
667 	char date[64];
668 	time_t sec;
669 
670 	buf[0] = '\0';
671 	if (buflen < 64 || !script)
672 		return buf;
673 
674 	env = &script->session->header.env;
675 	if (!env->clock.enabled) {
676 		scnprintf(buf, buflen, "disabled");
677 		return buf;
678 	}
679 
680 	clockid_ns = env->clock.clockid_ns;
681 	tod_ns     = env->clock.tod_ns;
682 
683 	if (timestamp > clockid_ns)
684 		tod_ns += timestamp - clockid_ns;
685 	else
686 		tod_ns -= clockid_ns - timestamp;
687 
688 	sec  = (time_t) (tod_ns / NSEC_PER_SEC);
689 	nsec = tod_ns - sec * NSEC_PER_SEC;
690 
691 	if (localtime_r(&sec, &ltime) == NULL) {
692 		scnprintf(buf, buflen, "failed");
693 	} else {
694 		strftime(date, sizeof(date), DEFAULT_TOD_FMT, &ltime);
695 
696 		if (symbol_conf.nanosecs) {
697 			snprintf(buf, buflen, "%s.%09lu", date, nsec);
698 		} else {
699 			snprintf(buf, buflen, "%s.%06lu",
700 				 date, nsec / NSEC_PER_USEC);
701 		}
702 	}
703 
704 	return buf;
705 }
706 
707 static int perf_sample__fprintf_iregs(struct perf_sample *sample,
708 				      struct perf_event_attr *attr, FILE *fp)
709 {
710 	return perf_sample__fprintf_regs(&sample->intr_regs,
711 					 attr->sample_regs_intr, fp);
712 }
713 
714 static int perf_sample__fprintf_uregs(struct perf_sample *sample,
715 				      struct perf_event_attr *attr, FILE *fp)
716 {
717 	return perf_sample__fprintf_regs(&sample->user_regs,
718 					 attr->sample_regs_user, fp);
719 }
720 
721 static int perf_sample__fprintf_start(struct perf_script *script,
722 				      struct perf_sample *sample,
723 				      struct thread *thread,
724 				      struct evsel *evsel,
725 				      u32 type, FILE *fp)
726 {
727 	struct perf_event_attr *attr = &evsel->core.attr;
728 	unsigned long secs;
729 	unsigned long long nsecs;
730 	int printed = 0;
731 	char tstr[128];
732 
733 	if (PRINT_FIELD(COMM)) {
734 		const char *comm = thread ? thread__comm_str(thread) : ":-1";
735 
736 		if (latency_format)
737 			printed += fprintf(fp, "%8.8s ", comm);
738 		else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
739 			printed += fprintf(fp, "%s ", comm);
740 		else
741 			printed += fprintf(fp, "%16s ", comm);
742 	}
743 
744 	if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
745 		printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid);
746 	else if (PRINT_FIELD(PID))
747 		printed += fprintf(fp, "%5d ", sample->pid);
748 	else if (PRINT_FIELD(TID))
749 		printed += fprintf(fp, "%5d ", sample->tid);
750 
751 	if (PRINT_FIELD(CPU)) {
752 		if (latency_format)
753 			printed += fprintf(fp, "%3d ", sample->cpu);
754 		else
755 			printed += fprintf(fp, "[%03d] ", sample->cpu);
756 	}
757 
758 	if (PRINT_FIELD(MISC)) {
759 		int ret = 0;
760 
761 		#define has(m) \
762 			(sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
763 
764 		if (has(KERNEL))
765 			ret += fprintf(fp, "K");
766 		if (has(USER))
767 			ret += fprintf(fp, "U");
768 		if (has(HYPERVISOR))
769 			ret += fprintf(fp, "H");
770 		if (has(GUEST_KERNEL))
771 			ret += fprintf(fp, "G");
772 		if (has(GUEST_USER))
773 			ret += fprintf(fp, "g");
774 
775 		switch (type) {
776 		case PERF_RECORD_MMAP:
777 		case PERF_RECORD_MMAP2:
778 			if (has(MMAP_DATA))
779 				ret += fprintf(fp, "M");
780 			break;
781 		case PERF_RECORD_COMM:
782 			if (has(COMM_EXEC))
783 				ret += fprintf(fp, "E");
784 			break;
785 		case PERF_RECORD_SWITCH:
786 		case PERF_RECORD_SWITCH_CPU_WIDE:
787 			if (has(SWITCH_OUT)) {
788 				ret += fprintf(fp, "S");
789 				if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
790 					ret += fprintf(fp, "p");
791 			}
792 		default:
793 			break;
794 		}
795 
796 		#undef has
797 
798 		ret += fprintf(fp, "%*s", 6 - ret, " ");
799 		printed += ret;
800 	}
801 
802 	if (PRINT_FIELD(TOD)) {
803 		tod_scnprintf(script, tstr, sizeof(tstr), sample->time);
804 		printed += fprintf(fp, "%s ", tstr);
805 	}
806 
807 	if (PRINT_FIELD(TIME)) {
808 		u64 t = sample->time;
809 		if (reltime) {
810 			if (!initial_time)
811 				initial_time = sample->time;
812 			t = sample->time - initial_time;
813 		} else if (deltatime) {
814 			if (previous_time)
815 				t = sample->time - previous_time;
816 			else {
817 				t = 0;
818 			}
819 			previous_time = sample->time;
820 		}
821 		nsecs = t;
822 		secs = nsecs / NSEC_PER_SEC;
823 		nsecs -= secs * NSEC_PER_SEC;
824 
825 		if (symbol_conf.nanosecs)
826 			printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
827 		else {
828 			char sample_time[32];
829 			timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time));
830 			printed += fprintf(fp, "%12s: ", sample_time);
831 		}
832 	}
833 
834 	return printed;
835 }
836 
837 static inline char
838 mispred_str(struct branch_entry *br)
839 {
840 	if (!(br->flags.mispred  || br->flags.predicted))
841 		return '-';
842 
843 	return br->flags.predicted ? 'P' : 'M';
844 }
845 
846 static int perf_sample__fprintf_brstack(struct perf_sample *sample,
847 					struct thread *thread,
848 					struct perf_event_attr *attr, FILE *fp)
849 {
850 	struct branch_stack *br = sample->branch_stack;
851 	struct branch_entry *entries = perf_sample__branch_entries(sample);
852 	struct addr_location alf, alt;
853 	u64 i, from, to;
854 	int printed = 0;
855 
856 	if (!(br && br->nr))
857 		return 0;
858 
859 	for (i = 0; i < br->nr; i++) {
860 		from = entries[i].from;
861 		to   = entries[i].to;
862 
863 		if (PRINT_FIELD(DSO)) {
864 			memset(&alf, 0, sizeof(alf));
865 			memset(&alt, 0, sizeof(alt));
866 			thread__find_map_fb(thread, sample->cpumode, from, &alf);
867 			thread__find_map_fb(thread, sample->cpumode, to, &alt);
868 		}
869 
870 		printed += fprintf(fp, " 0x%"PRIx64, from);
871 		if (PRINT_FIELD(DSO)) {
872 			printed += fprintf(fp, "(");
873 			printed += map__fprintf_dsoname(alf.map, fp);
874 			printed += fprintf(fp, ")");
875 		}
876 
877 		printed += fprintf(fp, "/0x%"PRIx64, to);
878 		if (PRINT_FIELD(DSO)) {
879 			printed += fprintf(fp, "(");
880 			printed += map__fprintf_dsoname(alt.map, fp);
881 			printed += fprintf(fp, ")");
882 		}
883 
884 		printed += fprintf(fp, "/%c/%c/%c/%d ",
885 			mispred_str(entries + i),
886 			entries[i].flags.in_tx ? 'X' : '-',
887 			entries[i].flags.abort ? 'A' : '-',
888 			entries[i].flags.cycles);
889 	}
890 
891 	return printed;
892 }
893 
894 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
895 					   struct thread *thread,
896 					   struct perf_event_attr *attr, FILE *fp)
897 {
898 	struct branch_stack *br = sample->branch_stack;
899 	struct branch_entry *entries = perf_sample__branch_entries(sample);
900 	struct addr_location alf, alt;
901 	u64 i, from, to;
902 	int printed = 0;
903 
904 	if (!(br && br->nr))
905 		return 0;
906 
907 	for (i = 0; i < br->nr; i++) {
908 
909 		memset(&alf, 0, sizeof(alf));
910 		memset(&alt, 0, sizeof(alt));
911 		from = entries[i].from;
912 		to   = entries[i].to;
913 
914 		thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
915 		thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
916 
917 		printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
918 		if (PRINT_FIELD(DSO)) {
919 			printed += fprintf(fp, "(");
920 			printed += map__fprintf_dsoname(alf.map, fp);
921 			printed += fprintf(fp, ")");
922 		}
923 		printed += fprintf(fp, "%c", '/');
924 		printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
925 		if (PRINT_FIELD(DSO)) {
926 			printed += fprintf(fp, "(");
927 			printed += map__fprintf_dsoname(alt.map, fp);
928 			printed += fprintf(fp, ")");
929 		}
930 		printed += fprintf(fp, "/%c/%c/%c/%d ",
931 			mispred_str(entries + i),
932 			entries[i].flags.in_tx ? 'X' : '-',
933 			entries[i].flags.abort ? 'A' : '-',
934 			entries[i].flags.cycles);
935 	}
936 
937 	return printed;
938 }
939 
940 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
941 					   struct thread *thread,
942 					   struct perf_event_attr *attr, FILE *fp)
943 {
944 	struct branch_stack *br = sample->branch_stack;
945 	struct branch_entry *entries = perf_sample__branch_entries(sample);
946 	struct addr_location alf, alt;
947 	u64 i, from, to;
948 	int printed = 0;
949 
950 	if (!(br && br->nr))
951 		return 0;
952 
953 	for (i = 0; i < br->nr; i++) {
954 
955 		memset(&alf, 0, sizeof(alf));
956 		memset(&alt, 0, sizeof(alt));
957 		from = entries[i].from;
958 		to   = entries[i].to;
959 
960 		if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
961 		    !alf.map->dso->adjust_symbols)
962 			from = map__map_ip(alf.map, from);
963 
964 		if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
965 		    !alt.map->dso->adjust_symbols)
966 			to = map__map_ip(alt.map, to);
967 
968 		printed += fprintf(fp, " 0x%"PRIx64, from);
969 		if (PRINT_FIELD(DSO)) {
970 			printed += fprintf(fp, "(");
971 			printed += map__fprintf_dsoname(alf.map, fp);
972 			printed += fprintf(fp, ")");
973 		}
974 		printed += fprintf(fp, "/0x%"PRIx64, to);
975 		if (PRINT_FIELD(DSO)) {
976 			printed += fprintf(fp, "(");
977 			printed += map__fprintf_dsoname(alt.map, fp);
978 			printed += fprintf(fp, ")");
979 		}
980 		printed += fprintf(fp, "/%c/%c/%c/%d ",
981 			mispred_str(entries + i),
982 			entries[i].flags.in_tx ? 'X' : '-',
983 			entries[i].flags.abort ? 'A' : '-',
984 			entries[i].flags.cycles);
985 	}
986 
987 	return printed;
988 }
989 #define MAXBB 16384UL
990 
991 static int grab_bb(u8 *buffer, u64 start, u64 end,
992 		    struct machine *machine, struct thread *thread,
993 		    bool *is64bit, u8 *cpumode, bool last)
994 {
995 	long offset, len;
996 	struct addr_location al;
997 	bool kernel;
998 
999 	if (!start || !end)
1000 		return 0;
1001 
1002 	kernel = machine__kernel_ip(machine, start);
1003 	if (kernel)
1004 		*cpumode = PERF_RECORD_MISC_KERNEL;
1005 	else
1006 		*cpumode = PERF_RECORD_MISC_USER;
1007 
1008 	/*
1009 	 * Block overlaps between kernel and user.
1010 	 * This can happen due to ring filtering
1011 	 * On Intel CPUs the entry into the kernel is filtered,
1012 	 * but the exit is not. Let the caller patch it up.
1013 	 */
1014 	if (kernel != machine__kernel_ip(machine, end)) {
1015 		pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
1016 		return -ENXIO;
1017 	}
1018 
1019 	memset(&al, 0, sizeof(al));
1020 	if (end - start > MAXBB - MAXINSN) {
1021 		if (last)
1022 			pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
1023 		else
1024 			pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
1025 		return 0;
1026 	}
1027 
1028 	if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) {
1029 		pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1030 		return 0;
1031 	}
1032 	if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
1033 		pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1034 		return 0;
1035 	}
1036 
1037 	/* Load maps to ensure dso->is_64_bit has been updated */
1038 	map__load(al.map);
1039 
1040 	offset = al.map->map_ip(al.map, start);
1041 	len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer,
1042 				    end - start + MAXINSN);
1043 
1044 	*is64bit = al.map->dso->is_64_bit;
1045 	if (len <= 0)
1046 		pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
1047 			start, end);
1048 	return len;
1049 }
1050 
1051 static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state)
1052 {
1053 	char *srcfile;
1054 	int ret = 0;
1055 	unsigned line;
1056 	int len;
1057 	char *srccode;
1058 
1059 	if (!map || !map->dso)
1060 		return 0;
1061 	srcfile = get_srcline_split(map->dso,
1062 				    map__rip_2objdump(map, addr),
1063 				    &line);
1064 	if (!srcfile)
1065 		return 0;
1066 
1067 	/* Avoid redundant printing */
1068 	if (state &&
1069 	    state->srcfile &&
1070 	    !strcmp(state->srcfile, srcfile) &&
1071 	    state->line == line) {
1072 		free(srcfile);
1073 		return 0;
1074 	}
1075 
1076 	srccode = find_sourceline(srcfile, line, &len);
1077 	if (!srccode)
1078 		goto out_free_line;
1079 
1080 	ret = fprintf(fp, "|%-8d %.*s", line, len, srccode);
1081 
1082 	if (state) {
1083 		state->srcfile = srcfile;
1084 		state->line = line;
1085 	}
1086 	return ret;
1087 
1088 out_free_line:
1089 	free(srcfile);
1090 	return ret;
1091 }
1092 
1093 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr)
1094 {
1095 	struct addr_location al;
1096 	int ret = 0;
1097 
1098 	memset(&al, 0, sizeof(al));
1099 	thread__find_map(thread, cpumode, addr, &al);
1100 	if (!al.map)
1101 		return 0;
1102 	ret = map__fprintf_srccode(al.map, al.addr, stdout,
1103 		    &thread->srccode_state);
1104 	if (ret)
1105 		ret += printf("\n");
1106 	return ret;
1107 }
1108 
1109 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
1110 			    struct perf_insn *x, u8 *inbuf, int len,
1111 			    int insn, FILE *fp, int *total_cycles)
1112 {
1113 	int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip,
1114 			      dump_insn(x, ip, inbuf, len, NULL),
1115 			      en->flags.predicted ? " PRED" : "",
1116 			      en->flags.mispred ? " MISPRED" : "",
1117 			      en->flags.in_tx ? " INTX" : "",
1118 			      en->flags.abort ? " ABORT" : "");
1119 	if (en->flags.cycles) {
1120 		*total_cycles += en->flags.cycles;
1121 		printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles);
1122 		if (insn)
1123 			printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
1124 	}
1125 	return printed + fprintf(fp, "\n");
1126 }
1127 
1128 static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
1129 			   u8 cpumode, int cpu, struct symbol **lastsym,
1130 			   struct perf_event_attr *attr, FILE *fp)
1131 {
1132 	struct addr_location al;
1133 	int off, printed = 0;
1134 
1135 	memset(&al, 0, sizeof(al));
1136 
1137 	thread__find_map(thread, cpumode, addr, &al);
1138 
1139 	if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
1140 		return 0;
1141 
1142 	al.cpu = cpu;
1143 	al.sym = NULL;
1144 	if (al.map)
1145 		al.sym = map__find_symbol(al.map, al.addr);
1146 
1147 	if (!al.sym)
1148 		return 0;
1149 
1150 	if (al.addr < al.sym->end)
1151 		off = al.addr - al.sym->start;
1152 	else
1153 		off = al.addr - al.map->start - al.sym->start;
1154 	printed += fprintf(fp, "\t%s", al.sym->name);
1155 	if (off)
1156 		printed += fprintf(fp, "%+d", off);
1157 	printed += fprintf(fp, ":");
1158 	if (PRINT_FIELD(SRCLINE))
1159 		printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
1160 	printed += fprintf(fp, "\n");
1161 	*lastsym = al.sym;
1162 
1163 	return printed;
1164 }
1165 
1166 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
1167 					    struct thread *thread,
1168 					    struct perf_event_attr *attr,
1169 					    struct machine *machine, FILE *fp)
1170 {
1171 	struct branch_stack *br = sample->branch_stack;
1172 	struct branch_entry *entries = perf_sample__branch_entries(sample);
1173 	u64 start, end;
1174 	int i, insn, len, nr, ilen, printed = 0;
1175 	struct perf_insn x;
1176 	u8 buffer[MAXBB];
1177 	unsigned off;
1178 	struct symbol *lastsym = NULL;
1179 	int total_cycles = 0;
1180 
1181 	if (!(br && br->nr))
1182 		return 0;
1183 	nr = br->nr;
1184 	if (max_blocks && nr > max_blocks + 1)
1185 		nr = max_blocks + 1;
1186 
1187 	x.thread = thread;
1188 	x.cpu = sample->cpu;
1189 
1190 	printed += fprintf(fp, "%c", '\n');
1191 
1192 	/* Handle first from jump, of which we don't know the entry. */
1193 	len = grab_bb(buffer, entries[nr-1].from,
1194 			entries[nr-1].from,
1195 			machine, thread, &x.is64bit, &x.cpumode, false);
1196 	if (len > 0) {
1197 		printed += ip__fprintf_sym(entries[nr - 1].from, thread,
1198 					   x.cpumode, x.cpu, &lastsym, attr, fp);
1199 		printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1],
1200 					    &x, buffer, len, 0, fp, &total_cycles);
1201 		if (PRINT_FIELD(SRCCODE))
1202 			printed += print_srccode(thread, x.cpumode, entries[nr - 1].from);
1203 	}
1204 
1205 	/* Print all blocks */
1206 	for (i = nr - 2; i >= 0; i--) {
1207 		if (entries[i].from || entries[i].to)
1208 			pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1209 				 entries[i].from,
1210 				 entries[i].to);
1211 		start = entries[i + 1].to;
1212 		end   = entries[i].from;
1213 
1214 		len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1215 		/* Patch up missing kernel transfers due to ring filters */
1216 		if (len == -ENXIO && i > 0) {
1217 			end = entries[--i].from;
1218 			pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1219 			len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1220 		}
1221 		if (len <= 0)
1222 			continue;
1223 
1224 		insn = 0;
1225 		for (off = 0; off < (unsigned)len; off += ilen) {
1226 			uint64_t ip = start + off;
1227 
1228 			printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1229 			if (ip == end) {
1230 				printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp,
1231 							    &total_cycles);
1232 				if (PRINT_FIELD(SRCCODE))
1233 					printed += print_srccode(thread, x.cpumode, ip);
1234 				break;
1235 			} else {
1236 				ilen = 0;
1237 				printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip,
1238 						   dump_insn(&x, ip, buffer + off, len - off, &ilen));
1239 				if (ilen == 0)
1240 					break;
1241 				if (PRINT_FIELD(SRCCODE))
1242 					print_srccode(thread, x.cpumode, ip);
1243 				insn++;
1244 			}
1245 		}
1246 		if (off != end - start)
1247 			printed += fprintf(fp, "\tmismatch of LBR data and executable\n");
1248 	}
1249 
1250 	/*
1251 	 * Hit the branch? In this case we are already done, and the target
1252 	 * has not been executed yet.
1253 	 */
1254 	if (entries[0].from == sample->ip)
1255 		goto out;
1256 	if (entries[0].flags.abort)
1257 		goto out;
1258 
1259 	/*
1260 	 * Print final block upto sample
1261 	 *
1262 	 * Due to pipeline delays the LBRs might be missing a branch
1263 	 * or two, which can result in very large or negative blocks
1264 	 * between final branch and sample. When this happens just
1265 	 * continue walking after the last TO until we hit a branch.
1266 	 */
1267 	start = entries[0].to;
1268 	end = sample->ip;
1269 	if (end < start) {
1270 		/* Missing jump. Scan 128 bytes for the next branch */
1271 		end = start + 128;
1272 	}
1273 	len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1274 	printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1275 	if (len <= 0) {
1276 		/* Print at least last IP if basic block did not work */
1277 		len = grab_bb(buffer, sample->ip, sample->ip,
1278 			      machine, thread, &x.is64bit, &x.cpumode, false);
1279 		if (len <= 0)
1280 			goto out;
1281 		printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip,
1282 			dump_insn(&x, sample->ip, buffer, len, NULL));
1283 		if (PRINT_FIELD(SRCCODE))
1284 			print_srccode(thread, x.cpumode, sample->ip);
1285 		goto out;
1286 	}
1287 	for (off = 0; off <= end - start; off += ilen) {
1288 		ilen = 0;
1289 		printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off,
1290 				   dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1291 		if (ilen == 0)
1292 			break;
1293 		if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) {
1294 			/*
1295 			 * Hit a missing branch. Just stop.
1296 			 */
1297 			printed += fprintf(fp, "\t... not reaching sample ...\n");
1298 			break;
1299 		}
1300 		if (PRINT_FIELD(SRCCODE))
1301 			print_srccode(thread, x.cpumode, start + off);
1302 	}
1303 out:
1304 	return printed;
1305 }
1306 
1307 static int perf_sample__fprintf_addr(struct perf_sample *sample,
1308 				     struct thread *thread,
1309 				     struct perf_event_attr *attr, FILE *fp)
1310 {
1311 	struct addr_location al;
1312 	int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1313 
1314 	if (!sample_addr_correlates_sym(attr))
1315 		goto out;
1316 
1317 	thread__resolve(thread, &al, sample);
1318 
1319 	if (PRINT_FIELD(SYM)) {
1320 		printed += fprintf(fp, " ");
1321 		if (PRINT_FIELD(SYMOFFSET))
1322 			printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1323 		else
1324 			printed += symbol__fprintf_symname(al.sym, fp);
1325 	}
1326 
1327 	if (PRINT_FIELD(DSO)) {
1328 		printed += fprintf(fp, " (");
1329 		printed += map__fprintf_dsoname(al.map, fp);
1330 		printed += fprintf(fp, ")");
1331 	}
1332 out:
1333 	return printed;
1334 }
1335 
1336 static const char *resolve_branch_sym(struct perf_sample *sample,
1337 				      struct evsel *evsel,
1338 				      struct thread *thread,
1339 				      struct addr_location *al,
1340 				      u64 *ip)
1341 {
1342 	struct addr_location addr_al;
1343 	struct perf_event_attr *attr = &evsel->core.attr;
1344 	const char *name = NULL;
1345 
1346 	if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1347 		if (sample_addr_correlates_sym(attr)) {
1348 			thread__resolve(thread, &addr_al, sample);
1349 			if (addr_al.sym)
1350 				name = addr_al.sym->name;
1351 			else
1352 				*ip = sample->addr;
1353 		} else {
1354 			*ip = sample->addr;
1355 		}
1356 	} else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1357 		if (al->sym)
1358 			name = al->sym->name;
1359 		else
1360 			*ip = sample->ip;
1361 	}
1362 	return name;
1363 }
1364 
1365 static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1366 					   struct evsel *evsel,
1367 					   struct thread *thread,
1368 					   struct addr_location *al, FILE *fp)
1369 {
1370 	struct perf_event_attr *attr = &evsel->core.attr;
1371 	size_t depth = thread_stack__depth(thread, sample->cpu);
1372 	const char *name = NULL;
1373 	static int spacing;
1374 	int len = 0;
1375 	int dlen = 0;
1376 	u64 ip = 0;
1377 
1378 	/*
1379 	 * The 'return' has already been popped off the stack so the depth has
1380 	 * to be adjusted to match the 'call'.
1381 	 */
1382 	if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
1383 		depth += 1;
1384 
1385 	name = resolve_branch_sym(sample, evsel, thread, al, &ip);
1386 
1387 	if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
1388 		dlen += fprintf(fp, "(");
1389 		dlen += map__fprintf_dsoname(al->map, fp);
1390 		dlen += fprintf(fp, ")\t");
1391 	}
1392 
1393 	if (name)
1394 		len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1395 	else if (ip)
1396 		len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1397 
1398 	if (len < 0)
1399 		return len;
1400 
1401 	/*
1402 	 * Try to keep the output length from changing frequently so that the
1403 	 * output lines up more nicely.
1404 	 */
1405 	if (len > spacing || (len && len < spacing - 52))
1406 		spacing = round_up(len + 4, 32);
1407 
1408 	if (len < spacing)
1409 		len += fprintf(fp, "%*s", spacing - len, "");
1410 
1411 	return len + dlen;
1412 }
1413 
1414 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused,
1415 			    struct thread *thread __maybe_unused,
1416 			    struct machine *machine __maybe_unused)
1417 {
1418 }
1419 
1420 static int perf_sample__fprintf_insn(struct perf_sample *sample,
1421 				     struct perf_event_attr *attr,
1422 				     struct thread *thread,
1423 				     struct machine *machine, FILE *fp)
1424 {
1425 	int printed = 0;
1426 
1427 	if (sample->insn_len == 0 && native_arch)
1428 		arch_fetch_insn(sample, thread, machine);
1429 
1430 	if (PRINT_FIELD(INSNLEN))
1431 		printed += fprintf(fp, " ilen: %d", sample->insn_len);
1432 	if (PRINT_FIELD(INSN) && sample->insn_len) {
1433 		int i;
1434 
1435 		printed += fprintf(fp, " insn:");
1436 		for (i = 0; i < sample->insn_len; i++)
1437 			printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
1438 	}
1439 	if (PRINT_FIELD(BRSTACKINSN))
1440 		printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
1441 
1442 	return printed;
1443 }
1444 
1445 static int perf_sample__fprintf_ipc(struct perf_sample *sample,
1446 				    struct perf_event_attr *attr, FILE *fp)
1447 {
1448 	unsigned int ipc;
1449 
1450 	if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt)
1451 		return 0;
1452 
1453 	ipc = (sample->insn_cnt * 100) / sample->cyc_cnt;
1454 
1455 	return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ",
1456 		       ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt);
1457 }
1458 
1459 static int perf_sample__fprintf_bts(struct perf_sample *sample,
1460 				    struct evsel *evsel,
1461 				    struct thread *thread,
1462 				    struct addr_location *al,
1463 				    struct machine *machine, FILE *fp)
1464 {
1465 	struct perf_event_attr *attr = &evsel->core.attr;
1466 	unsigned int type = output_type(attr->type);
1467 	bool print_srcline_last = false;
1468 	int printed = 0;
1469 
1470 	if (PRINT_FIELD(CALLINDENT))
1471 		printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp);
1472 
1473 	/* print branch_from information */
1474 	if (PRINT_FIELD(IP)) {
1475 		unsigned int print_opts = output[type].print_ip_opts;
1476 		struct callchain_cursor *cursor = NULL;
1477 
1478 		if (symbol_conf.use_callchain && sample->callchain &&
1479 		    thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1480 					      sample, NULL, NULL, scripting_max_stack) == 0)
1481 			cursor = &callchain_cursor;
1482 
1483 		if (cursor == NULL) {
1484 			printed += fprintf(fp, " ");
1485 			if (print_opts & EVSEL__PRINT_SRCLINE) {
1486 				print_srcline_last = true;
1487 				print_opts &= ~EVSEL__PRINT_SRCLINE;
1488 			}
1489 		} else
1490 			printed += fprintf(fp, "\n");
1491 
1492 		printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor,
1493 					       symbol_conf.bt_stop_list, fp);
1494 	}
1495 
1496 	/* print branch_to information */
1497 	if (PRINT_FIELD(ADDR) ||
1498 	    ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
1499 	     !output[type].user_set)) {
1500 		printed += fprintf(fp, " => ");
1501 		printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1502 	}
1503 
1504 	printed += perf_sample__fprintf_ipc(sample, attr, fp);
1505 
1506 	if (print_srcline_last)
1507 		printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
1508 
1509 	printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1510 	printed += fprintf(fp, "\n");
1511 	if (PRINT_FIELD(SRCCODE)) {
1512 		int ret = map__fprintf_srccode(al->map, al->addr, stdout,
1513 					 &thread->srccode_state);
1514 		if (ret) {
1515 			printed += ret;
1516 			printed += printf("\n");
1517 		}
1518 	}
1519 	return printed;
1520 }
1521 
1522 static struct {
1523 	u32 flags;
1524 	const char *name;
1525 } sample_flags[] = {
1526 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1527 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1528 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1529 	{PERF_IP_FLAG_BRANCH, "jmp"},
1530 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1531 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1532 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1533 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1534 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1535 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC |	PERF_IP_FLAG_INTERRUPT, "hw int"},
1536 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1537 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1538 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1539 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMENTRY, "vmentry"},
1540 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMEXIT, "vmexit"},
1541 	{0, NULL}
1542 };
1543 
1544 static const char *sample_flags_to_name(u32 flags)
1545 {
1546 	int i;
1547 
1548 	for (i = 0; sample_flags[i].name ; i++) {
1549 		if (sample_flags[i].flags == flags)
1550 			return sample_flags[i].name;
1551 	}
1552 
1553 	return NULL;
1554 }
1555 
1556 static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1557 {
1558 	const char *chars = PERF_IP_FLAG_CHARS;
1559 	const int n = strlen(PERF_IP_FLAG_CHARS);
1560 	bool in_tx = flags & PERF_IP_FLAG_IN_TX;
1561 	const char *name = NULL;
1562 	char str[33];
1563 	int i, pos = 0;
1564 
1565 	name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX);
1566 	if (name)
1567 		return fprintf(fp, "  %-15s%4s ", name, in_tx ? "(x)" : "");
1568 
1569 	if (flags & PERF_IP_FLAG_TRACE_BEGIN) {
1570 		name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN));
1571 		if (name)
1572 			return fprintf(fp, "  tr strt %-7s%4s ", name, in_tx ? "(x)" : "");
1573 	}
1574 
1575 	if (flags & PERF_IP_FLAG_TRACE_END) {
1576 		name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END));
1577 		if (name)
1578 			return fprintf(fp, "  tr end  %-7s%4s ", name, in_tx ? "(x)" : "");
1579 	}
1580 
1581 	for (i = 0; i < n; i++, flags >>= 1) {
1582 		if (flags & 1)
1583 			str[pos++] = chars[i];
1584 	}
1585 	for (; i < 32; i++, flags >>= 1) {
1586 		if (flags & 1)
1587 			str[pos++] = '?';
1588 	}
1589 	str[pos] = 0;
1590 
1591 	return fprintf(fp, "  %-19s ", str);
1592 }
1593 
1594 struct printer_data {
1595 	int line_no;
1596 	bool hit_nul;
1597 	bool is_printable;
1598 };
1599 
1600 static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1601 				      unsigned int val,
1602 				      void *extra, FILE *fp)
1603 {
1604 	unsigned char ch = (unsigned char)val;
1605 	struct printer_data *printer_data = extra;
1606 	int printed = 0;
1607 
1608 	switch (op) {
1609 	case BINARY_PRINT_DATA_BEGIN:
1610 		printed += fprintf(fp, "\n");
1611 		break;
1612 	case BINARY_PRINT_LINE_BEGIN:
1613 		printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1614 						        "           ");
1615 		break;
1616 	case BINARY_PRINT_ADDR:
1617 		printed += fprintf(fp, " %04x:", val);
1618 		break;
1619 	case BINARY_PRINT_NUM_DATA:
1620 		printed += fprintf(fp, " %02x", val);
1621 		break;
1622 	case BINARY_PRINT_NUM_PAD:
1623 		printed += fprintf(fp, "   ");
1624 		break;
1625 	case BINARY_PRINT_SEP:
1626 		printed += fprintf(fp, "  ");
1627 		break;
1628 	case BINARY_PRINT_CHAR_DATA:
1629 		if (printer_data->hit_nul && ch)
1630 			printer_data->is_printable = false;
1631 
1632 		if (!isprint(ch)) {
1633 			printed += fprintf(fp, "%c", '.');
1634 
1635 			if (!printer_data->is_printable)
1636 				break;
1637 
1638 			if (ch == '\0')
1639 				printer_data->hit_nul = true;
1640 			else
1641 				printer_data->is_printable = false;
1642 		} else {
1643 			printed += fprintf(fp, "%c", ch);
1644 		}
1645 		break;
1646 	case BINARY_PRINT_CHAR_PAD:
1647 		printed += fprintf(fp, " ");
1648 		break;
1649 	case BINARY_PRINT_LINE_END:
1650 		printed += fprintf(fp, "\n");
1651 		printer_data->line_no++;
1652 		break;
1653 	case BINARY_PRINT_DATA_END:
1654 	default:
1655 		break;
1656 	}
1657 
1658 	return printed;
1659 }
1660 
1661 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1662 {
1663 	unsigned int nr_bytes = sample->raw_size;
1664 	struct printer_data printer_data = {0, false, true};
1665 	int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1666 				      sample__fprintf_bpf_output, &printer_data, fp);
1667 
1668 	if (printer_data.is_printable && printer_data.hit_nul)
1669 		printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1670 
1671 	return printed;
1672 }
1673 
1674 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1675 {
1676 	if (len > 0 && len < spacing)
1677 		return fprintf(fp, "%*s", spacing - len, "");
1678 
1679 	return 0;
1680 }
1681 
1682 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1683 {
1684 	return perf_sample__fprintf_spacing(len, 34, fp);
1685 }
1686 
1687 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1688 {
1689 	struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1690 	int len;
1691 
1692 	if (perf_sample__bad_synth_size(sample, *data))
1693 		return 0;
1694 
1695 	len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ",
1696 		     data->ip, le64_to_cpu(data->payload));
1697 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1698 }
1699 
1700 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1701 {
1702 	struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1703 	int len;
1704 
1705 	if (perf_sample__bad_synth_size(sample, *data))
1706 		return 0;
1707 
1708 	len = fprintf(fp, " hints: %#x extensions: %#x ",
1709 		      data->hints, data->extensions);
1710 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1711 }
1712 
1713 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1714 {
1715 	struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1716 	int len;
1717 
1718 	if (perf_sample__bad_synth_size(sample, *data))
1719 		return 0;
1720 
1721 	len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1722 		      data->hw, data->cstate, data->subcstate);
1723 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1724 }
1725 
1726 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1727 {
1728 	struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1729 	int len;
1730 
1731 	if (perf_sample__bad_synth_size(sample, *data))
1732 		return 0;
1733 
1734 	len = fprintf(fp, " IP: %u ", data->ip);
1735 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1736 }
1737 
1738 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1739 {
1740 	struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1741 	int len;
1742 
1743 	if (perf_sample__bad_synth_size(sample, *data))
1744 		return 0;
1745 
1746 	len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1747 		     data->deepest_cstate, data->last_cstate,
1748 		     data->wake_reason);
1749 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1750 }
1751 
1752 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1753 {
1754 	struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1755 	unsigned int percent, freq;
1756 	int len;
1757 
1758 	if (perf_sample__bad_synth_size(sample, *data))
1759 		return 0;
1760 
1761 	freq = (le32_to_cpu(data->freq) + 500) / 1000;
1762 	len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1763 	if (data->max_nonturbo) {
1764 		percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1765 		len += fprintf(fp, "(%3u%%) ", percent);
1766 	}
1767 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1768 }
1769 
1770 static int perf_sample__fprintf_synth_psb(struct perf_sample *sample, FILE *fp)
1771 {
1772 	struct perf_synth_intel_psb *data = perf_sample__synth_ptr(sample);
1773 	int len;
1774 
1775 	if (perf_sample__bad_synth_size(sample, *data))
1776 		return 0;
1777 
1778 	len = fprintf(fp, " psb offs: %#" PRIx64, data->offset);
1779 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1780 }
1781 
1782 static int perf_sample__fprintf_synth(struct perf_sample *sample,
1783 				      struct evsel *evsel, FILE *fp)
1784 {
1785 	switch (evsel->core.attr.config) {
1786 	case PERF_SYNTH_INTEL_PTWRITE:
1787 		return perf_sample__fprintf_synth_ptwrite(sample, fp);
1788 	case PERF_SYNTH_INTEL_MWAIT:
1789 		return perf_sample__fprintf_synth_mwait(sample, fp);
1790 	case PERF_SYNTH_INTEL_PWRE:
1791 		return perf_sample__fprintf_synth_pwre(sample, fp);
1792 	case PERF_SYNTH_INTEL_EXSTOP:
1793 		return perf_sample__fprintf_synth_exstop(sample, fp);
1794 	case PERF_SYNTH_INTEL_PWRX:
1795 		return perf_sample__fprintf_synth_pwrx(sample, fp);
1796 	case PERF_SYNTH_INTEL_CBR:
1797 		return perf_sample__fprintf_synth_cbr(sample, fp);
1798 	case PERF_SYNTH_INTEL_PSB:
1799 		return perf_sample__fprintf_synth_psb(sample, fp);
1800 	default:
1801 		break;
1802 	}
1803 
1804 	return 0;
1805 }
1806 
1807 static int evlist__max_name_len(struct evlist *evlist)
1808 {
1809 	struct evsel *evsel;
1810 	int max = 0;
1811 
1812 	evlist__for_each_entry(evlist, evsel) {
1813 		int len = strlen(evsel__name(evsel));
1814 
1815 		max = MAX(len, max);
1816 	}
1817 
1818 	return max;
1819 }
1820 
1821 static int data_src__fprintf(u64 data_src, FILE *fp)
1822 {
1823 	struct mem_info mi = { .data_src.val = data_src };
1824 	char decode[100];
1825 	char out[100];
1826 	static int maxlen;
1827 	int len;
1828 
1829 	perf_script__meminfo_scnprintf(decode, 100, &mi);
1830 
1831 	len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
1832 	if (maxlen < len)
1833 		maxlen = len;
1834 
1835 	return fprintf(fp, "%-*s", maxlen, out);
1836 }
1837 
1838 struct metric_ctx {
1839 	struct perf_sample	*sample;
1840 	struct thread		*thread;
1841 	struct evsel	*evsel;
1842 	FILE 			*fp;
1843 };
1844 
1845 static void script_print_metric(struct perf_stat_config *config __maybe_unused,
1846 				void *ctx, const char *color,
1847 			        const char *fmt,
1848 			        const char *unit, double val)
1849 {
1850 	struct metric_ctx *mctx = ctx;
1851 
1852 	if (!fmt)
1853 		return;
1854 	perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
1855 				   PERF_RECORD_SAMPLE, mctx->fp);
1856 	fputs("\tmetric: ", mctx->fp);
1857 	if (color)
1858 		color_fprintf(mctx->fp, color, fmt, val);
1859 	else
1860 		printf(fmt, val);
1861 	fprintf(mctx->fp, " %s\n", unit);
1862 }
1863 
1864 static void script_new_line(struct perf_stat_config *config __maybe_unused,
1865 			    void *ctx)
1866 {
1867 	struct metric_ctx *mctx = ctx;
1868 
1869 	perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
1870 				   PERF_RECORD_SAMPLE, mctx->fp);
1871 	fputs("\tmetric: ", mctx->fp);
1872 }
1873 
1874 static void perf_sample__fprint_metric(struct perf_script *script,
1875 				       struct thread *thread,
1876 				       struct evsel *evsel,
1877 				       struct perf_sample *sample,
1878 				       FILE *fp)
1879 {
1880 	struct perf_stat_output_ctx ctx = {
1881 		.print_metric = script_print_metric,
1882 		.new_line = script_new_line,
1883 		.ctx = &(struct metric_ctx) {
1884 				.sample = sample,
1885 				.thread = thread,
1886 				.evsel  = evsel,
1887 				.fp     = fp,
1888 			 },
1889 		.force_header = false,
1890 	};
1891 	struct evsel *ev2;
1892 	u64 val;
1893 
1894 	if (!evsel->stats)
1895 		evlist__alloc_stats(script->session->evlist, false);
1896 	if (evsel_script(evsel->leader)->gnum++ == 0)
1897 		perf_stat__reset_shadow_stats();
1898 	val = sample->period * evsel->scale;
1899 	perf_stat__update_shadow_stats(evsel,
1900 				       val,
1901 				       sample->cpu,
1902 				       &rt_stat);
1903 	evsel_script(evsel)->val = val;
1904 	if (evsel_script(evsel->leader)->gnum == evsel->leader->core.nr_members) {
1905 		for_each_group_member (ev2, evsel->leader) {
1906 			perf_stat__print_shadow_stats(&stat_config, ev2,
1907 						      evsel_script(ev2)->val,
1908 						      sample->cpu,
1909 						      &ctx,
1910 						      NULL,
1911 						      &rt_stat);
1912 		}
1913 		evsel_script(evsel->leader)->gnum = 0;
1914 	}
1915 }
1916 
1917 static bool show_event(struct perf_sample *sample,
1918 		       struct evsel *evsel,
1919 		       struct thread *thread,
1920 		       struct addr_location *al)
1921 {
1922 	int depth = thread_stack__depth(thread, sample->cpu);
1923 
1924 	if (!symbol_conf.graph_function)
1925 		return true;
1926 
1927 	if (thread->filter) {
1928 		if (depth <= thread->filter_entry_depth) {
1929 			thread->filter = false;
1930 			return false;
1931 		}
1932 		return true;
1933 	} else {
1934 		const char *s = symbol_conf.graph_function;
1935 		u64 ip;
1936 		const char *name = resolve_branch_sym(sample, evsel, thread, al,
1937 				&ip);
1938 		unsigned nlen;
1939 
1940 		if (!name)
1941 			return false;
1942 		nlen = strlen(name);
1943 		while (*s) {
1944 			unsigned len = strcspn(s, ",");
1945 			if (nlen == len && !strncmp(name, s, len)) {
1946 				thread->filter = true;
1947 				thread->filter_entry_depth = depth;
1948 				return true;
1949 			}
1950 			s += len;
1951 			if (*s == ',')
1952 				s++;
1953 		}
1954 		return false;
1955 	}
1956 }
1957 
1958 static void process_event(struct perf_script *script,
1959 			  struct perf_sample *sample, struct evsel *evsel,
1960 			  struct addr_location *al,
1961 			  struct machine *machine)
1962 {
1963 	struct thread *thread = al->thread;
1964 	struct perf_event_attr *attr = &evsel->core.attr;
1965 	unsigned int type = output_type(attr->type);
1966 	struct evsel_script *es = evsel->priv;
1967 	FILE *fp = es->fp;
1968 	char str[PAGE_SIZE_NAME_LEN];
1969 
1970 	if (output[type].fields == 0)
1971 		return;
1972 
1973 	if (!show_event(sample, evsel, thread, al))
1974 		return;
1975 
1976 	if (evswitch__discard(&script->evswitch, evsel))
1977 		return;
1978 
1979 	++es->samples;
1980 
1981 	perf_sample__fprintf_start(script, sample, thread, evsel,
1982 				   PERF_RECORD_SAMPLE, fp);
1983 
1984 	if (PRINT_FIELD(PERIOD))
1985 		fprintf(fp, "%10" PRIu64 " ", sample->period);
1986 
1987 	if (PRINT_FIELD(EVNAME)) {
1988 		const char *evname = evsel__name(evsel);
1989 
1990 		if (!script->name_width)
1991 			script->name_width = evlist__max_name_len(script->session->evlist);
1992 
1993 		fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
1994 	}
1995 
1996 	if (print_flags)
1997 		perf_sample__fprintf_flags(sample->flags, fp);
1998 
1999 	if (is_bts_event(attr)) {
2000 		perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp);
2001 		return;
2002 	}
2003 
2004 	if (PRINT_FIELD(TRACE) && sample->raw_data) {
2005 		event_format__fprintf(evsel->tp_format, sample->cpu,
2006 				      sample->raw_data, sample->raw_size, fp);
2007 	}
2008 
2009 	if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
2010 		perf_sample__fprintf_synth(sample, evsel, fp);
2011 
2012 	if (PRINT_FIELD(ADDR))
2013 		perf_sample__fprintf_addr(sample, thread, attr, fp);
2014 
2015 	if (PRINT_FIELD(DATA_SRC))
2016 		data_src__fprintf(sample->data_src, fp);
2017 
2018 	if (PRINT_FIELD(WEIGHT))
2019 		fprintf(fp, "%16" PRIu64, sample->weight);
2020 
2021 	if (PRINT_FIELD(IP)) {
2022 		struct callchain_cursor *cursor = NULL;
2023 
2024 		if (script->stitch_lbr)
2025 			al->thread->lbr_stitch_enable = true;
2026 
2027 		if (symbol_conf.use_callchain && sample->callchain &&
2028 		    thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
2029 					      sample, NULL, NULL, scripting_max_stack) == 0)
2030 			cursor = &callchain_cursor;
2031 
2032 		fputc(cursor ? '\n' : ' ', fp);
2033 		sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor,
2034 				    symbol_conf.bt_stop_list, fp);
2035 	}
2036 
2037 	if (PRINT_FIELD(IREGS))
2038 		perf_sample__fprintf_iregs(sample, attr, fp);
2039 
2040 	if (PRINT_FIELD(UREGS))
2041 		perf_sample__fprintf_uregs(sample, attr, fp);
2042 
2043 	if (PRINT_FIELD(BRSTACK))
2044 		perf_sample__fprintf_brstack(sample, thread, attr, fp);
2045 	else if (PRINT_FIELD(BRSTACKSYM))
2046 		perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
2047 	else if (PRINT_FIELD(BRSTACKOFF))
2048 		perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
2049 
2050 	if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
2051 		perf_sample__fprintf_bpf_output(sample, fp);
2052 	perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
2053 
2054 	if (PRINT_FIELD(PHYS_ADDR))
2055 		fprintf(fp, "%16" PRIx64, sample->phys_addr);
2056 
2057 	if (PRINT_FIELD(DATA_PAGE_SIZE))
2058 		fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str));
2059 
2060 	if (PRINT_FIELD(CODE_PAGE_SIZE))
2061 		fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str));
2062 
2063 	perf_sample__fprintf_ipc(sample, attr, fp);
2064 
2065 	fprintf(fp, "\n");
2066 
2067 	if (PRINT_FIELD(SRCCODE)) {
2068 		if (map__fprintf_srccode(al->map, al->addr, stdout,
2069 					 &thread->srccode_state))
2070 			printf("\n");
2071 	}
2072 
2073 	if (PRINT_FIELD(METRIC))
2074 		perf_sample__fprint_metric(script, thread, evsel, sample, fp);
2075 
2076 	if (verbose)
2077 		fflush(fp);
2078 }
2079 
2080 static struct scripting_ops	*scripting_ops;
2081 
2082 static void __process_stat(struct evsel *counter, u64 tstamp)
2083 {
2084 	int nthreads = perf_thread_map__nr(counter->core.threads);
2085 	int ncpus = evsel__nr_cpus(counter);
2086 	int cpu, thread;
2087 	static int header_printed;
2088 
2089 	if (counter->core.system_wide)
2090 		nthreads = 1;
2091 
2092 	if (!header_printed) {
2093 		printf("%3s %8s %15s %15s %15s %15s %s\n",
2094 		       "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
2095 		header_printed = 1;
2096 	}
2097 
2098 	for (thread = 0; thread < nthreads; thread++) {
2099 		for (cpu = 0; cpu < ncpus; cpu++) {
2100 			struct perf_counts_values *counts;
2101 
2102 			counts = perf_counts(counter->counts, cpu, thread);
2103 
2104 			printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
2105 				counter->core.cpus->map[cpu],
2106 				perf_thread_map__pid(counter->core.threads, thread),
2107 				counts->val,
2108 				counts->ena,
2109 				counts->run,
2110 				tstamp,
2111 				evsel__name(counter));
2112 		}
2113 	}
2114 }
2115 
2116 static void process_stat(struct evsel *counter, u64 tstamp)
2117 {
2118 	if (scripting_ops && scripting_ops->process_stat)
2119 		scripting_ops->process_stat(&stat_config, counter, tstamp);
2120 	else
2121 		__process_stat(counter, tstamp);
2122 }
2123 
2124 static void process_stat_interval(u64 tstamp)
2125 {
2126 	if (scripting_ops && scripting_ops->process_stat_interval)
2127 		scripting_ops->process_stat_interval(tstamp);
2128 }
2129 
2130 static void setup_scripting(void)
2131 {
2132 	setup_perl_scripting();
2133 	setup_python_scripting();
2134 }
2135 
2136 static int flush_scripting(void)
2137 {
2138 	return scripting_ops ? scripting_ops->flush_script() : 0;
2139 }
2140 
2141 static int cleanup_scripting(void)
2142 {
2143 	pr_debug("\nperf script stopped\n");
2144 
2145 	return scripting_ops ? scripting_ops->stop_script() : 0;
2146 }
2147 
2148 static bool filter_cpu(struct perf_sample *sample)
2149 {
2150 	if (cpu_list && sample->cpu != (u32)-1)
2151 		return !test_bit(sample->cpu, cpu_bitmap);
2152 	return false;
2153 }
2154 
2155 static int process_sample_event(struct perf_tool *tool,
2156 				union perf_event *event,
2157 				struct perf_sample *sample,
2158 				struct evsel *evsel,
2159 				struct machine *machine)
2160 {
2161 	struct perf_script *scr = container_of(tool, struct perf_script, tool);
2162 	struct addr_location al;
2163 
2164 	if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
2165 					  sample->time)) {
2166 		return 0;
2167 	}
2168 
2169 	if (debug_mode) {
2170 		if (sample->time < last_timestamp) {
2171 			pr_err("Samples misordered, previous: %" PRIu64
2172 				" this: %" PRIu64 "\n", last_timestamp,
2173 				sample->time);
2174 			nr_unordered++;
2175 		}
2176 		last_timestamp = sample->time;
2177 		return 0;
2178 	}
2179 
2180 	if (machine__resolve(machine, &al, sample) < 0) {
2181 		pr_err("problem processing %d event, skipping it.\n",
2182 		       event->header.type);
2183 		return -1;
2184 	}
2185 
2186 	if (al.filtered)
2187 		goto out_put;
2188 
2189 	if (filter_cpu(sample))
2190 		goto out_put;
2191 
2192 	if (scripting_ops)
2193 		scripting_ops->process_event(event, sample, evsel, &al);
2194 	else
2195 		process_event(scr, sample, evsel, &al, machine);
2196 
2197 out_put:
2198 	addr_location__put(&al);
2199 	return 0;
2200 }
2201 
2202 static int process_attr(struct perf_tool *tool, union perf_event *event,
2203 			struct evlist **pevlist)
2204 {
2205 	struct perf_script *scr = container_of(tool, struct perf_script, tool);
2206 	struct evlist *evlist;
2207 	struct evsel *evsel, *pos;
2208 	u64 sample_type;
2209 	int err;
2210 	static struct evsel_script *es;
2211 
2212 	err = perf_event__process_attr(tool, event, pevlist);
2213 	if (err)
2214 		return err;
2215 
2216 	evlist = *pevlist;
2217 	evsel = evlist__last(*pevlist);
2218 
2219 	if (!evsel->priv) {
2220 		if (scr->per_event_dump) {
2221 			evsel->priv = evsel_script__new(evsel, scr->session->data);
2222 		} else {
2223 			es = zalloc(sizeof(*es));
2224 			if (!es)
2225 				return -ENOMEM;
2226 			es->fp = stdout;
2227 			evsel->priv = es;
2228 		}
2229 	}
2230 
2231 	if (evsel->core.attr.type >= PERF_TYPE_MAX &&
2232 	    evsel->core.attr.type != PERF_TYPE_SYNTH)
2233 		return 0;
2234 
2235 	evlist__for_each_entry(evlist, pos) {
2236 		if (pos->core.attr.type == evsel->core.attr.type && pos != evsel)
2237 			return 0;
2238 	}
2239 
2240 	if (evsel->core.attr.sample_type) {
2241 		err = evsel__check_attr(evsel, scr->session);
2242 		if (err)
2243 			return err;
2244 	}
2245 
2246 	/*
2247 	 * Check if we need to enable callchains based
2248 	 * on events sample_type.
2249 	 */
2250 	sample_type = evlist__combined_sample_type(evlist);
2251 	callchain_param_setup(sample_type);
2252 
2253 	/* Enable fields for callchain entries */
2254 	if (symbol_conf.use_callchain &&
2255 	    (sample_type & PERF_SAMPLE_CALLCHAIN ||
2256 	     sample_type & PERF_SAMPLE_BRANCH_STACK ||
2257 	     (sample_type & PERF_SAMPLE_REGS_USER &&
2258 	      sample_type & PERF_SAMPLE_STACK_USER))) {
2259 		int type = output_type(evsel->core.attr.type);
2260 
2261 		if (!(output[type].user_unset_fields & PERF_OUTPUT_IP))
2262 			output[type].fields |= PERF_OUTPUT_IP;
2263 		if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM))
2264 			output[type].fields |= PERF_OUTPUT_SYM;
2265 	}
2266 	set_print_ip_opts(&evsel->core.attr);
2267 	return 0;
2268 }
2269 
2270 static int print_event_with_time(struct perf_tool *tool,
2271 				 union perf_event *event,
2272 				 struct perf_sample *sample,
2273 				 struct machine *machine,
2274 				 pid_t pid, pid_t tid, u64 timestamp)
2275 {
2276 	struct perf_script *script = container_of(tool, struct perf_script, tool);
2277 	struct perf_session *session = script->session;
2278 	struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id);
2279 	struct thread *thread = NULL;
2280 
2281 	if (evsel && !evsel->core.attr.sample_id_all) {
2282 		sample->cpu = 0;
2283 		sample->time = timestamp;
2284 		sample->pid = pid;
2285 		sample->tid = tid;
2286 	}
2287 
2288 	if (filter_cpu(sample))
2289 		return 0;
2290 
2291 	if (tid != -1)
2292 		thread = machine__findnew_thread(machine, pid, tid);
2293 
2294 	if (evsel) {
2295 		perf_sample__fprintf_start(script, sample, thread, evsel,
2296 					   event->header.type, stdout);
2297 	}
2298 
2299 	perf_event__fprintf(event, machine, stdout);
2300 
2301 	thread__put(thread);
2302 
2303 	return 0;
2304 }
2305 
2306 static int print_event(struct perf_tool *tool, union perf_event *event,
2307 		       struct perf_sample *sample, struct machine *machine,
2308 		       pid_t pid, pid_t tid)
2309 {
2310 	return print_event_with_time(tool, event, sample, machine, pid, tid, 0);
2311 }
2312 
2313 static int process_comm_event(struct perf_tool *tool,
2314 			      union perf_event *event,
2315 			      struct perf_sample *sample,
2316 			      struct machine *machine)
2317 {
2318 	if (perf_event__process_comm(tool, event, sample, machine) < 0)
2319 		return -1;
2320 
2321 	return print_event(tool, event, sample, machine, event->comm.pid,
2322 			   event->comm.tid);
2323 }
2324 
2325 static int process_namespaces_event(struct perf_tool *tool,
2326 				    union perf_event *event,
2327 				    struct perf_sample *sample,
2328 				    struct machine *machine)
2329 {
2330 	if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
2331 		return -1;
2332 
2333 	return print_event(tool, event, sample, machine, event->namespaces.pid,
2334 			   event->namespaces.tid);
2335 }
2336 
2337 static int process_cgroup_event(struct perf_tool *tool,
2338 				union perf_event *event,
2339 				struct perf_sample *sample,
2340 				struct machine *machine)
2341 {
2342 	if (perf_event__process_cgroup(tool, event, sample, machine) < 0)
2343 		return -1;
2344 
2345 	return print_event(tool, event, sample, machine, sample->pid,
2346 			    sample->tid);
2347 }
2348 
2349 static int process_fork_event(struct perf_tool *tool,
2350 			      union perf_event *event,
2351 			      struct perf_sample *sample,
2352 			      struct machine *machine)
2353 {
2354 	if (perf_event__process_fork(tool, event, sample, machine) < 0)
2355 		return -1;
2356 
2357 	return print_event_with_time(tool, event, sample, machine,
2358 				     event->fork.pid, event->fork.tid,
2359 				     event->fork.time);
2360 }
2361 static int process_exit_event(struct perf_tool *tool,
2362 			      union perf_event *event,
2363 			      struct perf_sample *sample,
2364 			      struct machine *machine)
2365 {
2366 	/* Print before 'exit' deletes anything */
2367 	if (print_event_with_time(tool, event, sample, machine, event->fork.pid,
2368 				  event->fork.tid, event->fork.time))
2369 		return -1;
2370 
2371 	return perf_event__process_exit(tool, event, sample, machine);
2372 }
2373 
2374 static int process_mmap_event(struct perf_tool *tool,
2375 			      union perf_event *event,
2376 			      struct perf_sample *sample,
2377 			      struct machine *machine)
2378 {
2379 	if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2380 		return -1;
2381 
2382 	return print_event(tool, event, sample, machine, event->mmap.pid,
2383 			   event->mmap.tid);
2384 }
2385 
2386 static int process_mmap2_event(struct perf_tool *tool,
2387 			      union perf_event *event,
2388 			      struct perf_sample *sample,
2389 			      struct machine *machine)
2390 {
2391 	if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2392 		return -1;
2393 
2394 	return print_event(tool, event, sample, machine, event->mmap2.pid,
2395 			   event->mmap2.tid);
2396 }
2397 
2398 static int process_switch_event(struct perf_tool *tool,
2399 				union perf_event *event,
2400 				struct perf_sample *sample,
2401 				struct machine *machine)
2402 {
2403 	struct perf_script *script = container_of(tool, struct perf_script, tool);
2404 
2405 	if (perf_event__process_switch(tool, event, sample, machine) < 0)
2406 		return -1;
2407 
2408 	if (scripting_ops && scripting_ops->process_switch)
2409 		scripting_ops->process_switch(event, sample, machine);
2410 
2411 	if (!script->show_switch_events)
2412 		return 0;
2413 
2414 	return print_event(tool, event, sample, machine, sample->pid,
2415 			   sample->tid);
2416 }
2417 
2418 static int
2419 process_lost_event(struct perf_tool *tool,
2420 		   union perf_event *event,
2421 		   struct perf_sample *sample,
2422 		   struct machine *machine)
2423 {
2424 	return print_event(tool, event, sample, machine, sample->pid,
2425 			   sample->tid);
2426 }
2427 
2428 static int
2429 process_finished_round_event(struct perf_tool *tool __maybe_unused,
2430 			     union perf_event *event,
2431 			     struct ordered_events *oe __maybe_unused)
2432 
2433 {
2434 	perf_event__fprintf(event, NULL, stdout);
2435 	return 0;
2436 }
2437 
2438 static int
2439 process_bpf_events(struct perf_tool *tool __maybe_unused,
2440 		   union perf_event *event,
2441 		   struct perf_sample *sample,
2442 		   struct machine *machine)
2443 {
2444 	if (machine__process_ksymbol(machine, event, sample) < 0)
2445 		return -1;
2446 
2447 	return print_event(tool, event, sample, machine, sample->pid,
2448 			   sample->tid);
2449 }
2450 
2451 static int process_text_poke_events(struct perf_tool *tool,
2452 				    union perf_event *event,
2453 				    struct perf_sample *sample,
2454 				    struct machine *machine)
2455 {
2456 	if (perf_event__process_text_poke(tool, event, sample, machine) < 0)
2457 		return -1;
2458 
2459 	return print_event(tool, event, sample, machine, sample->pid,
2460 			   sample->tid);
2461 }
2462 
2463 static void sig_handler(int sig __maybe_unused)
2464 {
2465 	session_done = 1;
2466 }
2467 
2468 static void perf_script__fclose_per_event_dump(struct perf_script *script)
2469 {
2470 	struct evlist *evlist = script->session->evlist;
2471 	struct evsel *evsel;
2472 
2473 	evlist__for_each_entry(evlist, evsel) {
2474 		if (!evsel->priv)
2475 			break;
2476 		evsel_script__delete(evsel->priv);
2477 		evsel->priv = NULL;
2478 	}
2479 }
2480 
2481 static int perf_script__fopen_per_event_dump(struct perf_script *script)
2482 {
2483 	struct evsel *evsel;
2484 
2485 	evlist__for_each_entry(script->session->evlist, evsel) {
2486 		/*
2487 		 * Already setup? I.e. we may be called twice in cases like
2488 		 * Intel PT, one for the intel_pt// and dummy events, then
2489 		 * for the evsels synthesized from the auxtrace info.
2490 		 *
2491 		 * Ses perf_script__process_auxtrace_info.
2492 		 */
2493 		if (evsel->priv != NULL)
2494 			continue;
2495 
2496 		evsel->priv = evsel_script__new(evsel, script->session->data);
2497 		if (evsel->priv == NULL)
2498 			goto out_err_fclose;
2499 	}
2500 
2501 	return 0;
2502 
2503 out_err_fclose:
2504 	perf_script__fclose_per_event_dump(script);
2505 	return -1;
2506 }
2507 
2508 static int perf_script__setup_per_event_dump(struct perf_script *script)
2509 {
2510 	struct evsel *evsel;
2511 	static struct evsel_script es_stdout;
2512 
2513 	if (script->per_event_dump)
2514 		return perf_script__fopen_per_event_dump(script);
2515 
2516 	es_stdout.fp = stdout;
2517 
2518 	evlist__for_each_entry(script->session->evlist, evsel)
2519 		evsel->priv = &es_stdout;
2520 
2521 	return 0;
2522 }
2523 
2524 static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2525 {
2526 	struct evsel *evsel;
2527 
2528 	evlist__for_each_entry(script->session->evlist, evsel) {
2529 		struct evsel_script *es = evsel->priv;
2530 
2531 		evsel_script__fprintf(es, stdout);
2532 		evsel_script__delete(es);
2533 		evsel->priv = NULL;
2534 	}
2535 }
2536 
2537 static int __cmd_script(struct perf_script *script)
2538 {
2539 	int ret;
2540 
2541 	signal(SIGINT, sig_handler);
2542 
2543 	perf_stat__init_shadow_stats();
2544 
2545 	/* override event processing functions */
2546 	if (script->show_task_events) {
2547 		script->tool.comm = process_comm_event;
2548 		script->tool.fork = process_fork_event;
2549 		script->tool.exit = process_exit_event;
2550 	}
2551 	if (script->show_mmap_events) {
2552 		script->tool.mmap = process_mmap_event;
2553 		script->tool.mmap2 = process_mmap2_event;
2554 	}
2555 	if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch))
2556 		script->tool.context_switch = process_switch_event;
2557 	if (script->show_namespace_events)
2558 		script->tool.namespaces = process_namespaces_event;
2559 	if (script->show_cgroup_events)
2560 		script->tool.cgroup = process_cgroup_event;
2561 	if (script->show_lost_events)
2562 		script->tool.lost = process_lost_event;
2563 	if (script->show_round_events) {
2564 		script->tool.ordered_events = false;
2565 		script->tool.finished_round = process_finished_round_event;
2566 	}
2567 	if (script->show_bpf_events) {
2568 		script->tool.ksymbol = process_bpf_events;
2569 		script->tool.bpf     = process_bpf_events;
2570 	}
2571 	if (script->show_text_poke_events) {
2572 		script->tool.ksymbol   = process_bpf_events;
2573 		script->tool.text_poke = process_text_poke_events;
2574 	}
2575 
2576 	if (perf_script__setup_per_event_dump(script)) {
2577 		pr_err("Couldn't create the per event dump files\n");
2578 		return -1;
2579 	}
2580 
2581 	ret = perf_session__process_events(script->session);
2582 
2583 	if (script->per_event_dump)
2584 		perf_script__exit_per_event_dump_stats(script);
2585 
2586 	if (debug_mode)
2587 		pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2588 
2589 	return ret;
2590 }
2591 
2592 struct script_spec {
2593 	struct list_head	node;
2594 	struct scripting_ops	*ops;
2595 	char			spec[];
2596 };
2597 
2598 static LIST_HEAD(script_specs);
2599 
2600 static struct script_spec *script_spec__new(const char *spec,
2601 					    struct scripting_ops *ops)
2602 {
2603 	struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2604 
2605 	if (s != NULL) {
2606 		strcpy(s->spec, spec);
2607 		s->ops = ops;
2608 	}
2609 
2610 	return s;
2611 }
2612 
2613 static void script_spec__add(struct script_spec *s)
2614 {
2615 	list_add_tail(&s->node, &script_specs);
2616 }
2617 
2618 static struct script_spec *script_spec__find(const char *spec)
2619 {
2620 	struct script_spec *s;
2621 
2622 	list_for_each_entry(s, &script_specs, node)
2623 		if (strcasecmp(s->spec, spec) == 0)
2624 			return s;
2625 	return NULL;
2626 }
2627 
2628 int script_spec_register(const char *spec, struct scripting_ops *ops)
2629 {
2630 	struct script_spec *s;
2631 
2632 	s = script_spec__find(spec);
2633 	if (s)
2634 		return -1;
2635 
2636 	s = script_spec__new(spec, ops);
2637 	if (!s)
2638 		return -1;
2639 	else
2640 		script_spec__add(s);
2641 
2642 	return 0;
2643 }
2644 
2645 static struct scripting_ops *script_spec__lookup(const char *spec)
2646 {
2647 	struct script_spec *s = script_spec__find(spec);
2648 	if (!s)
2649 		return NULL;
2650 
2651 	return s->ops;
2652 }
2653 
2654 static void list_available_languages(void)
2655 {
2656 	struct script_spec *s;
2657 
2658 	fprintf(stderr, "\n");
2659 	fprintf(stderr, "Scripting language extensions (used in "
2660 		"perf script -s [spec:]script.[spec]):\n\n");
2661 
2662 	list_for_each_entry(s, &script_specs, node)
2663 		fprintf(stderr, "  %-42s [%s]\n", s->spec, s->ops->name);
2664 
2665 	fprintf(stderr, "\n");
2666 }
2667 
2668 static int parse_scriptname(const struct option *opt __maybe_unused,
2669 			    const char *str, int unset __maybe_unused)
2670 {
2671 	char spec[PATH_MAX];
2672 	const char *script, *ext;
2673 	int len;
2674 
2675 	if (strcmp(str, "lang") == 0) {
2676 		list_available_languages();
2677 		exit(0);
2678 	}
2679 
2680 	script = strchr(str, ':');
2681 	if (script) {
2682 		len = script - str;
2683 		if (len >= PATH_MAX) {
2684 			fprintf(stderr, "invalid language specifier");
2685 			return -1;
2686 		}
2687 		strncpy(spec, str, len);
2688 		spec[len] = '\0';
2689 		scripting_ops = script_spec__lookup(spec);
2690 		if (!scripting_ops) {
2691 			fprintf(stderr, "invalid language specifier");
2692 			return -1;
2693 		}
2694 		script++;
2695 	} else {
2696 		script = str;
2697 		ext = strrchr(script, '.');
2698 		if (!ext) {
2699 			fprintf(stderr, "invalid script extension");
2700 			return -1;
2701 		}
2702 		scripting_ops = script_spec__lookup(++ext);
2703 		if (!scripting_ops) {
2704 			fprintf(stderr, "invalid script extension");
2705 			return -1;
2706 		}
2707 	}
2708 
2709 	script_name = strdup(script);
2710 
2711 	return 0;
2712 }
2713 
2714 static int parse_output_fields(const struct option *opt __maybe_unused,
2715 			    const char *arg, int unset __maybe_unused)
2716 {
2717 	char *tok, *strtok_saveptr = NULL;
2718 	int i, imax = ARRAY_SIZE(all_output_options);
2719 	int j;
2720 	int rc = 0;
2721 	char *str = strdup(arg);
2722 	int type = -1;
2723 	enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
2724 
2725 	if (!str)
2726 		return -ENOMEM;
2727 
2728 	/* first word can state for which event type the user is specifying
2729 	 * the fields. If no type exists, the specified fields apply to all
2730 	 * event types found in the file minus the invalid fields for a type.
2731 	 */
2732 	tok = strchr(str, ':');
2733 	if (tok) {
2734 		*tok = '\0';
2735 		tok++;
2736 		if (!strcmp(str, "hw"))
2737 			type = PERF_TYPE_HARDWARE;
2738 		else if (!strcmp(str, "sw"))
2739 			type = PERF_TYPE_SOFTWARE;
2740 		else if (!strcmp(str, "trace"))
2741 			type = PERF_TYPE_TRACEPOINT;
2742 		else if (!strcmp(str, "raw"))
2743 			type = PERF_TYPE_RAW;
2744 		else if (!strcmp(str, "break"))
2745 			type = PERF_TYPE_BREAKPOINT;
2746 		else if (!strcmp(str, "synth"))
2747 			type = OUTPUT_TYPE_SYNTH;
2748 		else {
2749 			fprintf(stderr, "Invalid event type in field string.\n");
2750 			rc = -EINVAL;
2751 			goto out;
2752 		}
2753 
2754 		if (output[type].user_set)
2755 			pr_warning("Overriding previous field request for %s events.\n",
2756 				   event_type(type));
2757 
2758 		/* Don't override defaults for +- */
2759 		if (strchr(tok, '+') || strchr(tok, '-'))
2760 			goto parse;
2761 
2762 		output[type].fields = 0;
2763 		output[type].user_set = true;
2764 		output[type].wildcard_set = false;
2765 
2766 	} else {
2767 		tok = str;
2768 		if (strlen(str) == 0) {
2769 			fprintf(stderr,
2770 				"Cannot set fields to 'none' for all event types.\n");
2771 			rc = -EINVAL;
2772 			goto out;
2773 		}
2774 
2775 		/* Don't override defaults for +- */
2776 		if (strchr(str, '+') || strchr(str, '-'))
2777 			goto parse;
2778 
2779 		if (output_set_by_user())
2780 			pr_warning("Overriding previous field request for all events.\n");
2781 
2782 		for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2783 			output[j].fields = 0;
2784 			output[j].user_set = true;
2785 			output[j].wildcard_set = true;
2786 		}
2787 	}
2788 
2789 parse:
2790 	for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
2791 		if (*tok == '+') {
2792 			if (change == SET)
2793 				goto out_badmix;
2794 			change = ADD;
2795 			tok++;
2796 		} else if (*tok == '-') {
2797 			if (change == SET)
2798 				goto out_badmix;
2799 			change = REMOVE;
2800 			tok++;
2801 		} else {
2802 			if (change != SET && change != DEFAULT)
2803 				goto out_badmix;
2804 			change = SET;
2805 		}
2806 
2807 		for (i = 0; i < imax; ++i) {
2808 			if (strcmp(tok, all_output_options[i].str) == 0)
2809 				break;
2810 		}
2811 		if (i == imax && strcmp(tok, "flags") == 0) {
2812 			print_flags = change != REMOVE;
2813 			continue;
2814 		}
2815 		if (i == imax) {
2816 			fprintf(stderr, "Invalid field requested.\n");
2817 			rc = -EINVAL;
2818 			goto out;
2819 		}
2820 
2821 		if (type == -1) {
2822 			/* add user option to all events types for
2823 			 * which it is valid
2824 			 */
2825 			for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2826 				if (output[j].invalid_fields & all_output_options[i].field) {
2827 					pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
2828 						   all_output_options[i].str, event_type(j));
2829 				} else {
2830 					if (change == REMOVE) {
2831 						output[j].fields &= ~all_output_options[i].field;
2832 						output[j].user_set_fields &= ~all_output_options[i].field;
2833 						output[j].user_unset_fields |= all_output_options[i].field;
2834 					} else {
2835 						output[j].fields |= all_output_options[i].field;
2836 						output[j].user_set_fields |= all_output_options[i].field;
2837 						output[j].user_unset_fields &= ~all_output_options[i].field;
2838 					}
2839 					output[j].user_set = true;
2840 					output[j].wildcard_set = true;
2841 				}
2842 			}
2843 		} else {
2844 			if (output[type].invalid_fields & all_output_options[i].field) {
2845 				fprintf(stderr, "\'%s\' not valid for %s events.\n",
2846 					 all_output_options[i].str, event_type(type));
2847 
2848 				rc = -EINVAL;
2849 				goto out;
2850 			}
2851 			if (change == REMOVE)
2852 				output[type].fields &= ~all_output_options[i].field;
2853 			else
2854 				output[type].fields |= all_output_options[i].field;
2855 			output[type].user_set = true;
2856 			output[type].wildcard_set = true;
2857 		}
2858 	}
2859 
2860 	if (type >= 0) {
2861 		if (output[type].fields == 0) {
2862 			pr_debug("No fields requested for %s type. "
2863 				 "Events will not be displayed.\n", event_type(type));
2864 		}
2865 	}
2866 	goto out;
2867 
2868 out_badmix:
2869 	fprintf(stderr, "Cannot mix +-field with overridden fields\n");
2870 	rc = -EINVAL;
2871 out:
2872 	free(str);
2873 	return rc;
2874 }
2875 
2876 #define for_each_lang(scripts_path, scripts_dir, lang_dirent)		\
2877 	while ((lang_dirent = readdir(scripts_dir)) != NULL)		\
2878 		if ((lang_dirent->d_type == DT_DIR ||			\
2879 		     (lang_dirent->d_type == DT_UNKNOWN &&		\
2880 		      is_directory(scripts_path, lang_dirent))) &&	\
2881 		    (strcmp(lang_dirent->d_name, ".")) &&		\
2882 		    (strcmp(lang_dirent->d_name, "..")))
2883 
2884 #define for_each_script(lang_path, lang_dir, script_dirent)		\
2885 	while ((script_dirent = readdir(lang_dir)) != NULL)		\
2886 		if (script_dirent->d_type != DT_DIR &&			\
2887 		    (script_dirent->d_type != DT_UNKNOWN ||		\
2888 		     !is_directory(lang_path, script_dirent)))
2889 
2890 
2891 #define RECORD_SUFFIX			"-record"
2892 #define REPORT_SUFFIX			"-report"
2893 
2894 struct script_desc {
2895 	struct list_head	node;
2896 	char			*name;
2897 	char			*half_liner;
2898 	char			*args;
2899 };
2900 
2901 static LIST_HEAD(script_descs);
2902 
2903 static struct script_desc *script_desc__new(const char *name)
2904 {
2905 	struct script_desc *s = zalloc(sizeof(*s));
2906 
2907 	if (s != NULL && name)
2908 		s->name = strdup(name);
2909 
2910 	return s;
2911 }
2912 
2913 static void script_desc__delete(struct script_desc *s)
2914 {
2915 	zfree(&s->name);
2916 	zfree(&s->half_liner);
2917 	zfree(&s->args);
2918 	free(s);
2919 }
2920 
2921 static void script_desc__add(struct script_desc *s)
2922 {
2923 	list_add_tail(&s->node, &script_descs);
2924 }
2925 
2926 static struct script_desc *script_desc__find(const char *name)
2927 {
2928 	struct script_desc *s;
2929 
2930 	list_for_each_entry(s, &script_descs, node)
2931 		if (strcasecmp(s->name, name) == 0)
2932 			return s;
2933 	return NULL;
2934 }
2935 
2936 static struct script_desc *script_desc__findnew(const char *name)
2937 {
2938 	struct script_desc *s = script_desc__find(name);
2939 
2940 	if (s)
2941 		return s;
2942 
2943 	s = script_desc__new(name);
2944 	if (!s)
2945 		return NULL;
2946 
2947 	script_desc__add(s);
2948 
2949 	return s;
2950 }
2951 
2952 static const char *ends_with(const char *str, const char *suffix)
2953 {
2954 	size_t suffix_len = strlen(suffix);
2955 	const char *p = str;
2956 
2957 	if (strlen(str) > suffix_len) {
2958 		p = str + strlen(str) - suffix_len;
2959 		if (!strncmp(p, suffix, suffix_len))
2960 			return p;
2961 	}
2962 
2963 	return NULL;
2964 }
2965 
2966 static int read_script_info(struct script_desc *desc, const char *filename)
2967 {
2968 	char line[BUFSIZ], *p;
2969 	FILE *fp;
2970 
2971 	fp = fopen(filename, "r");
2972 	if (!fp)
2973 		return -1;
2974 
2975 	while (fgets(line, sizeof(line), fp)) {
2976 		p = skip_spaces(line);
2977 		if (strlen(p) == 0)
2978 			continue;
2979 		if (*p != '#')
2980 			continue;
2981 		p++;
2982 		if (strlen(p) && *p == '!')
2983 			continue;
2984 
2985 		p = skip_spaces(p);
2986 		if (strlen(p) && p[strlen(p) - 1] == '\n')
2987 			p[strlen(p) - 1] = '\0';
2988 
2989 		if (!strncmp(p, "description:", strlen("description:"))) {
2990 			p += strlen("description:");
2991 			desc->half_liner = strdup(skip_spaces(p));
2992 			continue;
2993 		}
2994 
2995 		if (!strncmp(p, "args:", strlen("args:"))) {
2996 			p += strlen("args:");
2997 			desc->args = strdup(skip_spaces(p));
2998 			continue;
2999 		}
3000 	}
3001 
3002 	fclose(fp);
3003 
3004 	return 0;
3005 }
3006 
3007 static char *get_script_root(struct dirent *script_dirent, const char *suffix)
3008 {
3009 	char *script_root, *str;
3010 
3011 	script_root = strdup(script_dirent->d_name);
3012 	if (!script_root)
3013 		return NULL;
3014 
3015 	str = (char *)ends_with(script_root, suffix);
3016 	if (!str) {
3017 		free(script_root);
3018 		return NULL;
3019 	}
3020 
3021 	*str = '\0';
3022 	return script_root;
3023 }
3024 
3025 static int list_available_scripts(const struct option *opt __maybe_unused,
3026 				  const char *s __maybe_unused,
3027 				  int unset __maybe_unused)
3028 {
3029 	struct dirent *script_dirent, *lang_dirent;
3030 	char scripts_path[MAXPATHLEN];
3031 	DIR *scripts_dir, *lang_dir;
3032 	char script_path[MAXPATHLEN];
3033 	char lang_path[MAXPATHLEN];
3034 	struct script_desc *desc;
3035 	char first_half[BUFSIZ];
3036 	char *script_root;
3037 
3038 	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3039 
3040 	scripts_dir = opendir(scripts_path);
3041 	if (!scripts_dir) {
3042 		fprintf(stdout,
3043 			"open(%s) failed.\n"
3044 			"Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
3045 			scripts_path);
3046 		exit(-1);
3047 	}
3048 
3049 	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3050 		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3051 			  lang_dirent->d_name);
3052 		lang_dir = opendir(lang_path);
3053 		if (!lang_dir)
3054 			continue;
3055 
3056 		for_each_script(lang_path, lang_dir, script_dirent) {
3057 			script_root = get_script_root(script_dirent, REPORT_SUFFIX);
3058 			if (script_root) {
3059 				desc = script_desc__findnew(script_root);
3060 				scnprintf(script_path, MAXPATHLEN, "%s/%s",
3061 					  lang_path, script_dirent->d_name);
3062 				read_script_info(desc, script_path);
3063 				free(script_root);
3064 			}
3065 		}
3066 	}
3067 
3068 	fprintf(stdout, "List of available trace scripts:\n");
3069 	list_for_each_entry(desc, &script_descs, node) {
3070 		sprintf(first_half, "%s %s", desc->name,
3071 			desc->args ? desc->args : "");
3072 		fprintf(stdout, "  %-36s %s\n", first_half,
3073 			desc->half_liner ? desc->half_liner : "");
3074 	}
3075 
3076 	exit(0);
3077 }
3078 
3079 /*
3080  * Some scripts specify the required events in their "xxx-record" file,
3081  * this function will check if the events in perf.data match those
3082  * mentioned in the "xxx-record".
3083  *
3084  * Fixme: All existing "xxx-record" are all in good formats "-e event ",
3085  * which is covered well now. And new parsing code should be added to
3086  * cover the future complex formats like event groups etc.
3087  */
3088 static int check_ev_match(char *dir_name, char *scriptname,
3089 			struct perf_session *session)
3090 {
3091 	char filename[MAXPATHLEN], evname[128];
3092 	char line[BUFSIZ], *p;
3093 	struct evsel *pos;
3094 	int match, len;
3095 	FILE *fp;
3096 
3097 	scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
3098 
3099 	fp = fopen(filename, "r");
3100 	if (!fp)
3101 		return -1;
3102 
3103 	while (fgets(line, sizeof(line), fp)) {
3104 		p = skip_spaces(line);
3105 		if (*p == '#')
3106 			continue;
3107 
3108 		while (strlen(p)) {
3109 			p = strstr(p, "-e");
3110 			if (!p)
3111 				break;
3112 
3113 			p += 2;
3114 			p = skip_spaces(p);
3115 			len = strcspn(p, " \t");
3116 			if (!len)
3117 				break;
3118 
3119 			snprintf(evname, len + 1, "%s", p);
3120 
3121 			match = 0;
3122 			evlist__for_each_entry(session->evlist, pos) {
3123 				if (!strcmp(evsel__name(pos), evname)) {
3124 					match = 1;
3125 					break;
3126 				}
3127 			}
3128 
3129 			if (!match) {
3130 				fclose(fp);
3131 				return -1;
3132 			}
3133 		}
3134 	}
3135 
3136 	fclose(fp);
3137 	return 0;
3138 }
3139 
3140 /*
3141  * Return -1 if none is found, otherwise the actual scripts number.
3142  *
3143  * Currently the only user of this function is the script browser, which
3144  * will list all statically runnable scripts, select one, execute it and
3145  * show the output in a perf browser.
3146  */
3147 int find_scripts(char **scripts_array, char **scripts_path_array, int num,
3148 		 int pathlen)
3149 {
3150 	struct dirent *script_dirent, *lang_dirent;
3151 	char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
3152 	DIR *scripts_dir, *lang_dir;
3153 	struct perf_session *session;
3154 	struct perf_data data = {
3155 		.path = input_name,
3156 		.mode = PERF_DATA_MODE_READ,
3157 	};
3158 	char *temp;
3159 	int i = 0;
3160 
3161 	session = perf_session__new(&data, false, NULL);
3162 	if (IS_ERR(session))
3163 		return PTR_ERR(session);
3164 
3165 	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3166 
3167 	scripts_dir = opendir(scripts_path);
3168 	if (!scripts_dir) {
3169 		perf_session__delete(session);
3170 		return -1;
3171 	}
3172 
3173 	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3174 		scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
3175 			  lang_dirent->d_name);
3176 #ifndef HAVE_LIBPERL_SUPPORT
3177 		if (strstr(lang_path, "perl"))
3178 			continue;
3179 #endif
3180 #ifndef HAVE_LIBPYTHON_SUPPORT
3181 		if (strstr(lang_path, "python"))
3182 			continue;
3183 #endif
3184 
3185 		lang_dir = opendir(lang_path);
3186 		if (!lang_dir)
3187 			continue;
3188 
3189 		for_each_script(lang_path, lang_dir, script_dirent) {
3190 			/* Skip those real time scripts: xxxtop.p[yl] */
3191 			if (strstr(script_dirent->d_name, "top."))
3192 				continue;
3193 			if (i >= num)
3194 				break;
3195 			snprintf(scripts_path_array[i], pathlen, "%s/%s",
3196 				lang_path,
3197 				script_dirent->d_name);
3198 			temp = strchr(script_dirent->d_name, '.');
3199 			snprintf(scripts_array[i],
3200 				(temp - script_dirent->d_name) + 1,
3201 				"%s", script_dirent->d_name);
3202 
3203 			if (check_ev_match(lang_path,
3204 					scripts_array[i], session))
3205 				continue;
3206 
3207 			i++;
3208 		}
3209 		closedir(lang_dir);
3210 	}
3211 
3212 	closedir(scripts_dir);
3213 	perf_session__delete(session);
3214 	return i;
3215 }
3216 
3217 static char *get_script_path(const char *script_root, const char *suffix)
3218 {
3219 	struct dirent *script_dirent, *lang_dirent;
3220 	char scripts_path[MAXPATHLEN];
3221 	char script_path[MAXPATHLEN];
3222 	DIR *scripts_dir, *lang_dir;
3223 	char lang_path[MAXPATHLEN];
3224 	char *__script_root;
3225 
3226 	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3227 
3228 	scripts_dir = opendir(scripts_path);
3229 	if (!scripts_dir)
3230 		return NULL;
3231 
3232 	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3233 		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3234 			  lang_dirent->d_name);
3235 		lang_dir = opendir(lang_path);
3236 		if (!lang_dir)
3237 			continue;
3238 
3239 		for_each_script(lang_path, lang_dir, script_dirent) {
3240 			__script_root = get_script_root(script_dirent, suffix);
3241 			if (__script_root && !strcmp(script_root, __script_root)) {
3242 				free(__script_root);
3243 				closedir(scripts_dir);
3244 				scnprintf(script_path, MAXPATHLEN, "%s/%s",
3245 					  lang_path, script_dirent->d_name);
3246 				closedir(lang_dir);
3247 				return strdup(script_path);
3248 			}
3249 			free(__script_root);
3250 		}
3251 		closedir(lang_dir);
3252 	}
3253 	closedir(scripts_dir);
3254 
3255 	return NULL;
3256 }
3257 
3258 static bool is_top_script(const char *script_path)
3259 {
3260 	return ends_with(script_path, "top") != NULL;
3261 }
3262 
3263 static int has_required_arg(char *script_path)
3264 {
3265 	struct script_desc *desc;
3266 	int n_args = 0;
3267 	char *p;
3268 
3269 	desc = script_desc__new(NULL);
3270 
3271 	if (read_script_info(desc, script_path))
3272 		goto out;
3273 
3274 	if (!desc->args)
3275 		goto out;
3276 
3277 	for (p = desc->args; *p; p++)
3278 		if (*p == '<')
3279 			n_args++;
3280 out:
3281 	script_desc__delete(desc);
3282 
3283 	return n_args;
3284 }
3285 
3286 static int have_cmd(int argc, const char **argv)
3287 {
3288 	char **__argv = malloc(sizeof(const char *) * argc);
3289 
3290 	if (!__argv) {
3291 		pr_err("malloc failed\n");
3292 		return -1;
3293 	}
3294 
3295 	memcpy(__argv, argv, sizeof(const char *) * argc);
3296 	argc = parse_options(argc, (const char **)__argv, record_options,
3297 			     NULL, PARSE_OPT_STOP_AT_NON_OPTION);
3298 	free(__argv);
3299 
3300 	system_wide = (argc == 0);
3301 
3302 	return 0;
3303 }
3304 
3305 static void script__setup_sample_type(struct perf_script *script)
3306 {
3307 	struct perf_session *session = script->session;
3308 	u64 sample_type = evlist__combined_sample_type(session->evlist);
3309 
3310 	if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
3311 		if ((sample_type & PERF_SAMPLE_REGS_USER) &&
3312 		    (sample_type & PERF_SAMPLE_STACK_USER)) {
3313 			callchain_param.record_mode = CALLCHAIN_DWARF;
3314 			dwarf_callchain_users = true;
3315 		} else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
3316 			callchain_param.record_mode = CALLCHAIN_LBR;
3317 		else
3318 			callchain_param.record_mode = CALLCHAIN_FP;
3319 	}
3320 
3321 	if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) {
3322 		pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
3323 			   "Please apply --call-graph lbr when recording.\n");
3324 		script->stitch_lbr = false;
3325 	}
3326 }
3327 
3328 static int process_stat_round_event(struct perf_session *session,
3329 				    union perf_event *event)
3330 {
3331 	struct perf_record_stat_round *round = &event->stat_round;
3332 	struct evsel *counter;
3333 
3334 	evlist__for_each_entry(session->evlist, counter) {
3335 		perf_stat_process_counter(&stat_config, counter);
3336 		process_stat(counter, round->time);
3337 	}
3338 
3339 	process_stat_interval(round->time);
3340 	return 0;
3341 }
3342 
3343 static int process_stat_config_event(struct perf_session *session __maybe_unused,
3344 				     union perf_event *event)
3345 {
3346 	perf_event__read_stat_config(&stat_config, &event->stat_config);
3347 	return 0;
3348 }
3349 
3350 static int set_maps(struct perf_script *script)
3351 {
3352 	struct evlist *evlist = script->session->evlist;
3353 
3354 	if (!script->cpus || !script->threads)
3355 		return 0;
3356 
3357 	if (WARN_ONCE(script->allocated, "stats double allocation\n"))
3358 		return -EINVAL;
3359 
3360 	perf_evlist__set_maps(&evlist->core, script->cpus, script->threads);
3361 
3362 	if (evlist__alloc_stats(evlist, true))
3363 		return -ENOMEM;
3364 
3365 	script->allocated = true;
3366 	return 0;
3367 }
3368 
3369 static
3370 int process_thread_map_event(struct perf_session *session,
3371 			     union perf_event *event)
3372 {
3373 	struct perf_tool *tool = session->tool;
3374 	struct perf_script *script = container_of(tool, struct perf_script, tool);
3375 
3376 	if (script->threads) {
3377 		pr_warning("Extra thread map event, ignoring.\n");
3378 		return 0;
3379 	}
3380 
3381 	script->threads = thread_map__new_event(&event->thread_map);
3382 	if (!script->threads)
3383 		return -ENOMEM;
3384 
3385 	return set_maps(script);
3386 }
3387 
3388 static
3389 int process_cpu_map_event(struct perf_session *session,
3390 			  union perf_event *event)
3391 {
3392 	struct perf_tool *tool = session->tool;
3393 	struct perf_script *script = container_of(tool, struct perf_script, tool);
3394 
3395 	if (script->cpus) {
3396 		pr_warning("Extra cpu map event, ignoring.\n");
3397 		return 0;
3398 	}
3399 
3400 	script->cpus = cpu_map__new_data(&event->cpu_map.data);
3401 	if (!script->cpus)
3402 		return -ENOMEM;
3403 
3404 	return set_maps(script);
3405 }
3406 
3407 static int process_feature_event(struct perf_session *session,
3408 				 union perf_event *event)
3409 {
3410 	if (event->feat.feat_id < HEADER_LAST_FEATURE)
3411 		return perf_event__process_feature(session, event);
3412 	return 0;
3413 }
3414 
3415 #ifdef HAVE_AUXTRACE_SUPPORT
3416 static int perf_script__process_auxtrace_info(struct perf_session *session,
3417 					      union perf_event *event)
3418 {
3419 	struct perf_tool *tool = session->tool;
3420 
3421 	int ret = perf_event__process_auxtrace_info(session, event);
3422 
3423 	if (ret == 0) {
3424 		struct perf_script *script = container_of(tool, struct perf_script, tool);
3425 
3426 		ret = perf_script__setup_per_event_dump(script);
3427 	}
3428 
3429 	return ret;
3430 }
3431 #else
3432 #define perf_script__process_auxtrace_info 0
3433 #endif
3434 
3435 static int parse_insn_trace(const struct option *opt __maybe_unused,
3436 			    const char *str __maybe_unused,
3437 			    int unset __maybe_unused)
3438 {
3439 	parse_output_fields(NULL, "+insn,-event,-period", 0);
3440 	itrace_parse_synth_opts(opt, "i0ns", 0);
3441 	symbol_conf.nanosecs = true;
3442 	return 0;
3443 }
3444 
3445 static int parse_xed(const struct option *opt __maybe_unused,
3446 		     const char *str __maybe_unused,
3447 		     int unset __maybe_unused)
3448 {
3449 	if (isatty(1))
3450 		force_pager("xed -F insn: -A -64 | less");
3451 	else
3452 		force_pager("xed -F insn: -A -64");
3453 	return 0;
3454 }
3455 
3456 static int parse_call_trace(const struct option *opt __maybe_unused,
3457 			    const char *str __maybe_unused,
3458 			    int unset __maybe_unused)
3459 {
3460 	parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
3461 	itrace_parse_synth_opts(opt, "cewp", 0);
3462 	symbol_conf.nanosecs = true;
3463 	symbol_conf.pad_output_len_dso = 50;
3464 	return 0;
3465 }
3466 
3467 static int parse_callret_trace(const struct option *opt __maybe_unused,
3468 			    const char *str __maybe_unused,
3469 			    int unset __maybe_unused)
3470 {
3471 	parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
3472 	itrace_parse_synth_opts(opt, "crewp", 0);
3473 	symbol_conf.nanosecs = true;
3474 	return 0;
3475 }
3476 
3477 int cmd_script(int argc, const char **argv)
3478 {
3479 	bool show_full_info = false;
3480 	bool header = false;
3481 	bool header_only = false;
3482 	bool script_started = false;
3483 	char *rec_script_path = NULL;
3484 	char *rep_script_path = NULL;
3485 	struct perf_session *session;
3486 	struct itrace_synth_opts itrace_synth_opts = {
3487 		.set = false,
3488 		.default_no_sample = true,
3489 	};
3490 	struct utsname uts;
3491 	char *script_path = NULL;
3492 	const char **__argv;
3493 	int i, j, err = 0;
3494 	struct perf_script script = {
3495 		.tool = {
3496 			.sample		 = process_sample_event,
3497 			.mmap		 = perf_event__process_mmap,
3498 			.mmap2		 = perf_event__process_mmap2,
3499 			.comm		 = perf_event__process_comm,
3500 			.namespaces	 = perf_event__process_namespaces,
3501 			.cgroup		 = perf_event__process_cgroup,
3502 			.exit		 = perf_event__process_exit,
3503 			.fork		 = perf_event__process_fork,
3504 			.attr		 = process_attr,
3505 			.event_update   = perf_event__process_event_update,
3506 			.tracing_data	 = perf_event__process_tracing_data,
3507 			.feature	 = process_feature_event,
3508 			.build_id	 = perf_event__process_build_id,
3509 			.id_index	 = perf_event__process_id_index,
3510 			.auxtrace_info	 = perf_script__process_auxtrace_info,
3511 			.auxtrace	 = perf_event__process_auxtrace,
3512 			.auxtrace_error	 = perf_event__process_auxtrace_error,
3513 			.stat		 = perf_event__process_stat_event,
3514 			.stat_round	 = process_stat_round_event,
3515 			.stat_config	 = process_stat_config_event,
3516 			.thread_map	 = process_thread_map_event,
3517 			.cpu_map	 = process_cpu_map_event,
3518 			.ordered_events	 = true,
3519 			.ordering_requires_timestamps = true,
3520 		},
3521 	};
3522 	struct perf_data data = {
3523 		.mode = PERF_DATA_MODE_READ,
3524 	};
3525 	const struct option options[] = {
3526 	OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3527 		    "dump raw trace in ASCII"),
3528 	OPT_INCR('v', "verbose", &verbose,
3529 		 "be more verbose (show symbol address, etc)"),
3530 	OPT_BOOLEAN('L', "Latency", &latency_format,
3531 		    "show latency attributes (irqs/preemption disabled, etc)"),
3532 	OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3533 			   list_available_scripts),
3534 	OPT_CALLBACK('s', "script", NULL, "name",
3535 		     "script file name (lang:script name, script name, or *)",
3536 		     parse_scriptname),
3537 	OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3538 		   "generate perf-script.xx script in specified language"),
3539 	OPT_STRING('i', "input", &input_name, "file", "input file name"),
3540 	OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3541 		   "do various checks like samples ordering and lost events"),
3542 	OPT_BOOLEAN(0, "header", &header, "Show data header."),
3543 	OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3544 	OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3545 		   "file", "vmlinux pathname"),
3546 	OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3547 		   "file", "kallsyms pathname"),
3548 	OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3549 		    "When printing symbols do not display call chain"),
3550 	OPT_CALLBACK(0, "symfs", NULL, "directory",
3551 		     "Look for files with symbols relative to this directory",
3552 		     symbol__config_symfs),
3553 	OPT_CALLBACK('F', "fields", NULL, "str",
3554 		     "comma separated output fields prepend with 'type:'. "
3555 		     "+field to add and -field to remove."
3556 		     "Valid types: hw,sw,trace,raw,synth. "
3557 		     "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
3558 		     "addr,symoff,srcline,period,iregs,uregs,brstack,"
3559 		     "brstacksym,flags,bpf-output,brstackinsn,brstackoff,"
3560 		     "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc,tod,"
3561 		     "data_page_size,code_page_size",
3562 		     parse_output_fields),
3563 	OPT_BOOLEAN('a', "all-cpus", &system_wide,
3564 		    "system-wide collection from all CPUs"),
3565 	OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
3566 		   "only consider symbols in these DSOs"),
3567 	OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3568 		   "only consider these symbols"),
3569 	OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range,
3570 		    "Use with -S to list traced records within address range"),
3571 	OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL,
3572 			"Decode instructions from itrace", parse_insn_trace),
3573 	OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
3574 			"Run xed disassembler on output", parse_xed),
3575 	OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
3576 			"Decode calls from from itrace", parse_call_trace),
3577 	OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
3578 			"Decode calls and returns from itrace", parse_callret_trace),
3579 	OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",
3580 			"Only print symbols and callees with --call-trace/--call-ret-trace"),
3581 	OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3582 		   "Stop display of callgraph at these symbols"),
3583 	OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3584 	OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3585 		   "only display events for these comms"),
3586 	OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3587 		   "only consider symbols in these pids"),
3588 	OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3589 		   "only consider symbols in these tids"),
3590 	OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3591 		     "Set the maximum stack depth when parsing the callchain, "
3592 		     "anything beyond the specified depth will be ignored. "
3593 		     "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3594 	OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"),
3595 	OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"),
3596 	OPT_BOOLEAN('I', "show-info", &show_full_info,
3597 		    "display extended information from perf.data file"),
3598 	OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3599 		    "Show the path of [kernel.kallsyms]"),
3600 	OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3601 		    "Show the fork/comm/exit events"),
3602 	OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3603 		    "Show the mmap events"),
3604 	OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3605 		    "Show context switch events (if recorded)"),
3606 	OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3607 		    "Show namespace events (if recorded)"),
3608 	OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events,
3609 		    "Show cgroup events (if recorded)"),
3610 	OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3611 		    "Show lost events (if recorded)"),
3612 	OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3613 		    "Show round events (if recorded)"),
3614 	OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events,
3615 		    "Show bpf related events (if recorded)"),
3616 	OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events,
3617 		    "Show text poke related events (if recorded)"),
3618 	OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
3619 		    "Dump trace output to files named by the monitored events"),
3620 	OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3621 	OPT_INTEGER(0, "max-blocks", &max_blocks,
3622 		    "Maximum number of code blocks to dump with brstackinsn"),
3623 	OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs,
3624 		    "Use 9 decimal places when displaying time"),
3625 	OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
3626 			    "Instruction Tracing options\n" ITRACE_HELP,
3627 			    itrace_parse_synth_opts),
3628 	OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
3629 			"Show full source file name path for source lines"),
3630 	OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
3631 			"Enable symbol demangling"),
3632 	OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
3633 			"Enable kernel symbol demangling"),
3634 	OPT_STRING(0, "time", &script.time_str, "str",
3635 		   "Time span of interest (start,stop)"),
3636 	OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
3637 		    "Show inline function"),
3638 	OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
3639 		   "guest mount directory under which every guest os"
3640 		   " instance has a subdir"),
3641 	OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name,
3642 		   "file", "file saving guest os vmlinux"),
3643 	OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms,
3644 		   "file", "file saving guest os /proc/kallsyms"),
3645 	OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
3646 		   "file", "file saving guest os /proc/modules"),
3647 	OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr,
3648 		    "Enable LBR callgraph stitching approach"),
3649 	OPTS_EVSWITCH(&script.evswitch),
3650 	OPT_END()
3651 	};
3652 	const char * const script_subcommands[] = { "record", "report", NULL };
3653 	const char *script_usage[] = {
3654 		"perf script [<options>]",
3655 		"perf script [<options>] record <script> [<record-options>] <command>",
3656 		"perf script [<options>] report <script> [script-args]",
3657 		"perf script [<options>] <script> [<record-options>] <command>",
3658 		"perf script [<options>] <top-script> [script-args]",
3659 		NULL
3660 	};
3661 
3662 	perf_set_singlethreaded();
3663 
3664 	setup_scripting();
3665 
3666 	argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3667 			     PARSE_OPT_STOP_AT_NON_OPTION);
3668 
3669 	if (symbol_conf.guestmount ||
3670 	    symbol_conf.default_guest_vmlinux_name ||
3671 	    symbol_conf.default_guest_kallsyms ||
3672 	    symbol_conf.default_guest_modules) {
3673 		/*
3674 		 * Enable guest sample processing.
3675 		 */
3676 		perf_guest = true;
3677 	}
3678 
3679 	data.path  = input_name;
3680 	data.force = symbol_conf.force;
3681 
3682 	if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
3683 		rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
3684 		if (!rec_script_path)
3685 			return cmd_record(argc, argv);
3686 	}
3687 
3688 	if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
3689 		rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
3690 		if (!rep_script_path) {
3691 			fprintf(stderr,
3692 				"Please specify a valid report script"
3693 				"(see 'perf script -l' for listing)\n");
3694 			return -1;
3695 		}
3696 	}
3697 
3698 	if (reltime && deltatime) {
3699 		fprintf(stderr,
3700 			"reltime and deltatime - the two don't get along well. "
3701 			"Please limit to --reltime or --deltatime.\n");
3702 		return -1;
3703 	}
3704 
3705 	if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) &&
3706 	    itrace_synth_opts.callchain_sz > scripting_max_stack)
3707 		scripting_max_stack = itrace_synth_opts.callchain_sz;
3708 
3709 	/* make sure PERF_EXEC_PATH is set for scripts */
3710 	set_argv_exec_path(get_argv_exec_path());
3711 
3712 	if (argc && !script_name && !rec_script_path && !rep_script_path) {
3713 		int live_pipe[2];
3714 		int rep_args;
3715 		pid_t pid;
3716 
3717 		rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
3718 		rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
3719 
3720 		if (!rec_script_path && !rep_script_path) {
3721 			usage_with_options_msg(script_usage, options,
3722 				"Couldn't find script `%s'\n\n See perf"
3723 				" script -l for available scripts.\n", argv[0]);
3724 		}
3725 
3726 		if (is_top_script(argv[0])) {
3727 			rep_args = argc - 1;
3728 		} else {
3729 			int rec_args;
3730 
3731 			rep_args = has_required_arg(rep_script_path);
3732 			rec_args = (argc - 1) - rep_args;
3733 			if (rec_args < 0) {
3734 				usage_with_options_msg(script_usage, options,
3735 					"`%s' script requires options."
3736 					"\n\n See perf script -l for available "
3737 					"scripts and options.\n", argv[0]);
3738 			}
3739 		}
3740 
3741 		if (pipe(live_pipe) < 0) {
3742 			perror("failed to create pipe");
3743 			return -1;
3744 		}
3745 
3746 		pid = fork();
3747 		if (pid < 0) {
3748 			perror("failed to fork");
3749 			return -1;
3750 		}
3751 
3752 		if (!pid) {
3753 			j = 0;
3754 
3755 			dup2(live_pipe[1], 1);
3756 			close(live_pipe[0]);
3757 
3758 			if (is_top_script(argv[0])) {
3759 				system_wide = true;
3760 			} else if (!system_wide) {
3761 				if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
3762 					err = -1;
3763 					goto out;
3764 				}
3765 			}
3766 
3767 			__argv = malloc((argc + 6) * sizeof(const char *));
3768 			if (!__argv) {
3769 				pr_err("malloc failed\n");
3770 				err = -ENOMEM;
3771 				goto out;
3772 			}
3773 
3774 			__argv[j++] = "/bin/sh";
3775 			__argv[j++] = rec_script_path;
3776 			if (system_wide)
3777 				__argv[j++] = "-a";
3778 			__argv[j++] = "-q";
3779 			__argv[j++] = "-o";
3780 			__argv[j++] = "-";
3781 			for (i = rep_args + 1; i < argc; i++)
3782 				__argv[j++] = argv[i];
3783 			__argv[j++] = NULL;
3784 
3785 			execvp("/bin/sh", (char **)__argv);
3786 			free(__argv);
3787 			exit(-1);
3788 		}
3789 
3790 		dup2(live_pipe[0], 0);
3791 		close(live_pipe[1]);
3792 
3793 		__argv = malloc((argc + 4) * sizeof(const char *));
3794 		if (!__argv) {
3795 			pr_err("malloc failed\n");
3796 			err = -ENOMEM;
3797 			goto out;
3798 		}
3799 
3800 		j = 0;
3801 		__argv[j++] = "/bin/sh";
3802 		__argv[j++] = rep_script_path;
3803 		for (i = 1; i < rep_args + 1; i++)
3804 			__argv[j++] = argv[i];
3805 		__argv[j++] = "-i";
3806 		__argv[j++] = "-";
3807 		__argv[j++] = NULL;
3808 
3809 		execvp("/bin/sh", (char **)__argv);
3810 		free(__argv);
3811 		exit(-1);
3812 	}
3813 
3814 	if (rec_script_path)
3815 		script_path = rec_script_path;
3816 	if (rep_script_path)
3817 		script_path = rep_script_path;
3818 
3819 	if (script_path) {
3820 		j = 0;
3821 
3822 		if (!rec_script_path)
3823 			system_wide = false;
3824 		else if (!system_wide) {
3825 			if (have_cmd(argc - 1, &argv[1]) != 0) {
3826 				err = -1;
3827 				goto out;
3828 			}
3829 		}
3830 
3831 		__argv = malloc((argc + 2) * sizeof(const char *));
3832 		if (!__argv) {
3833 			pr_err("malloc failed\n");
3834 			err = -ENOMEM;
3835 			goto out;
3836 		}
3837 
3838 		__argv[j++] = "/bin/sh";
3839 		__argv[j++] = script_path;
3840 		if (system_wide)
3841 			__argv[j++] = "-a";
3842 		for (i = 2; i < argc; i++)
3843 			__argv[j++] = argv[i];
3844 		__argv[j++] = NULL;
3845 
3846 		execvp("/bin/sh", (char **)__argv);
3847 		free(__argv);
3848 		exit(-1);
3849 	}
3850 
3851 	if (!script_name) {
3852 		setup_pager();
3853 		use_browser = 0;
3854 	}
3855 
3856 	session = perf_session__new(&data, false, &script.tool);
3857 	if (IS_ERR(session))
3858 		return PTR_ERR(session);
3859 
3860 	if (header || header_only) {
3861 		script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
3862 		perf_session__fprintf_info(session, stdout, show_full_info);
3863 		if (header_only)
3864 			goto out_delete;
3865 	}
3866 	if (show_full_info)
3867 		script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
3868 
3869 	if (symbol__init(&session->header.env) < 0)
3870 		goto out_delete;
3871 
3872 	uname(&uts);
3873 	if (data.is_pipe ||  /* assume pipe_mode indicates native_arch */
3874 	    !strcmp(uts.machine, session->header.env.arch) ||
3875 	    (!strcmp(uts.machine, "x86_64") &&
3876 	     !strcmp(session->header.env.arch, "i386")))
3877 		native_arch = true;
3878 
3879 	script.session = session;
3880 	script__setup_sample_type(&script);
3881 
3882 	if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) ||
3883 	    symbol_conf.graph_function)
3884 		itrace_synth_opts.thread_stack = true;
3885 
3886 	session->itrace_synth_opts = &itrace_synth_opts;
3887 
3888 	if (cpu_list) {
3889 		err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
3890 		if (err < 0)
3891 			goto out_delete;
3892 		itrace_synth_opts.cpu_bitmap = cpu_bitmap;
3893 	}
3894 
3895 	if (!no_callchain)
3896 		symbol_conf.use_callchain = true;
3897 	else
3898 		symbol_conf.use_callchain = false;
3899 
3900 	if (session->tevent.pevent &&
3901 	    tep_set_function_resolver(session->tevent.pevent,
3902 				      machine__resolve_kernel_addr,
3903 				      &session->machines.host) < 0) {
3904 		pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
3905 		err = -1;
3906 		goto out_delete;
3907 	}
3908 
3909 	if (generate_script_lang) {
3910 		struct stat perf_stat;
3911 		int input;
3912 
3913 		if (output_set_by_user()) {
3914 			fprintf(stderr,
3915 				"custom fields not supported for generated scripts");
3916 			err = -EINVAL;
3917 			goto out_delete;
3918 		}
3919 
3920 		input = open(data.path, O_RDONLY);	/* input_name */
3921 		if (input < 0) {
3922 			err = -errno;
3923 			perror("failed to open file");
3924 			goto out_delete;
3925 		}
3926 
3927 		err = fstat(input, &perf_stat);
3928 		if (err < 0) {
3929 			perror("failed to stat file");
3930 			goto out_delete;
3931 		}
3932 
3933 		if (!perf_stat.st_size) {
3934 			fprintf(stderr, "zero-sized file, nothing to do!\n");
3935 			goto out_delete;
3936 		}
3937 
3938 		scripting_ops = script_spec__lookup(generate_script_lang);
3939 		if (!scripting_ops) {
3940 			fprintf(stderr, "invalid language specifier");
3941 			err = -ENOENT;
3942 			goto out_delete;
3943 		}
3944 
3945 		err = scripting_ops->generate_script(session->tevent.pevent,
3946 						     "perf-script");
3947 		goto out_delete;
3948 	}
3949 
3950 	if (script_name) {
3951 		err = scripting_ops->start_script(script_name, argc, argv);
3952 		if (err)
3953 			goto out_delete;
3954 		pr_debug("perf script started with script %s\n\n", script_name);
3955 		script_started = true;
3956 	}
3957 
3958 
3959 	err = perf_session__check_output_opt(session);
3960 	if (err < 0)
3961 		goto out_delete;
3962 
3963 	if (script.time_str) {
3964 		err = perf_time__parse_for_ranges_reltime(script.time_str, session,
3965 						  &script.ptime_range,
3966 						  &script.range_size,
3967 						  &script.range_num,
3968 						  reltime);
3969 		if (err < 0)
3970 			goto out_delete;
3971 
3972 		itrace_synth_opts__set_time_range(&itrace_synth_opts,
3973 						  script.ptime_range,
3974 						  script.range_num);
3975 	}
3976 
3977 	err = evswitch__init(&script.evswitch, session->evlist, stderr);
3978 	if (err)
3979 		goto out_delete;
3980 
3981 	if (zstd_init(&(session->zstd_data), 0) < 0)
3982 		pr_warning("Decompression initialization failed. Reported data may be incomplete.\n");
3983 
3984 	err = __cmd_script(&script);
3985 
3986 	flush_scripting();
3987 
3988 out_delete:
3989 	if (script.ptime_range) {
3990 		itrace_synth_opts__clear_time_range(&itrace_synth_opts);
3991 		zfree(&script.ptime_range);
3992 	}
3993 
3994 	evlist__free_stats(session->evlist);
3995 	perf_session__delete(session);
3996 
3997 	if (script_started)
3998 		cleanup_scripting();
3999 out:
4000 	return err;
4001 }
4002