xref: /linux/tools/perf/builtin-script.c (revision c34e9ab9a612ee8b18273398ef75c207b01f516d)
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/env.h"
19 #include "util/evlist.h"
20 #include "util/evsel.h"
21 #include "util/evsel_fprintf.h"
22 #include "util/evswitch.h"
23 #include "util/sort.h"
24 #include "util/data.h"
25 #include "util/auxtrace.h"
26 #include "util/cpumap.h"
27 #include "util/thread_map.h"
28 #include "util/stat.h"
29 #include "util/color.h"
30 #include "util/string2.h"
31 #include "util/thread-stack.h"
32 #include "util/time-utils.h"
33 #include "util/path.h"
34 #include "util/event.h"
35 #include "util/mem-info.h"
36 #include "ui/ui.h"
37 #include "print_binary.h"
38 #include "print_insn.h"
39 #include "archinsn.h"
40 #include <linux/bitmap.h>
41 #include <linux/kernel.h>
42 #include <linux/stringify.h>
43 #include <linux/time64.h>
44 #include <linux/zalloc.h>
45 #include <sys/utsname.h>
46 #include "asm/bug.h"
47 #include "util/mem-events.h"
48 #include "util/dump-insn.h"
49 #include <dirent.h>
50 #include <errno.h>
51 #include <inttypes.h>
52 #include <signal.h>
53 #include <sys/param.h>
54 #include <sys/types.h>
55 #include <sys/stat.h>
56 #include <fcntl.h>
57 #include <unistd.h>
58 #include <subcmd/pager.h>
59 #include <perf/evlist.h>
60 #include <linux/err.h>
61 #include "util/dlfilter.h"
62 #include "util/record.h"
63 #include "util/util.h"
64 #include "util/cgroup.h"
65 #include "util/annotate.h"
66 #include "perf.h"
67 
68 #include <linux/ctype.h>
69 #ifdef HAVE_LIBTRACEEVENT
70 #include <event-parse.h>
71 #endif
72 
73 static char const		*script_name;
74 static char const		*generate_script_lang;
75 static bool			reltime;
76 static bool			deltatime;
77 static u64			initial_time;
78 static u64			previous_time;
79 static bool			debug_mode;
80 static u64			last_timestamp;
81 static u64			nr_unordered;
82 static bool			no_callchain;
83 static bool			latency_format;
84 static bool			system_wide;
85 static bool			print_flags;
86 static const char		*cpu_list;
87 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
88 static struct perf_stat_config	stat_config;
89 static int			max_blocks;
90 static bool			native_arch;
91 static struct dlfilter		*dlfilter;
92 static int			dlargc;
93 static char			**dlargv;
94 
95 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
96 
97 enum perf_output_field {
98 	PERF_OUTPUT_COMM            = 1ULL << 0,
99 	PERF_OUTPUT_TID             = 1ULL << 1,
100 	PERF_OUTPUT_PID             = 1ULL << 2,
101 	PERF_OUTPUT_TIME            = 1ULL << 3,
102 	PERF_OUTPUT_CPU             = 1ULL << 4,
103 	PERF_OUTPUT_EVNAME          = 1ULL << 5,
104 	PERF_OUTPUT_TRACE           = 1ULL << 6,
105 	PERF_OUTPUT_IP              = 1ULL << 7,
106 	PERF_OUTPUT_SYM             = 1ULL << 8,
107 	PERF_OUTPUT_DSO             = 1ULL << 9,
108 	PERF_OUTPUT_ADDR            = 1ULL << 10,
109 	PERF_OUTPUT_SYMOFFSET       = 1ULL << 11,
110 	PERF_OUTPUT_SRCLINE         = 1ULL << 12,
111 	PERF_OUTPUT_PERIOD          = 1ULL << 13,
112 	PERF_OUTPUT_IREGS	    = 1ULL << 14,
113 	PERF_OUTPUT_BRSTACK	    = 1ULL << 15,
114 	PERF_OUTPUT_BRSTACKSYM	    = 1ULL << 16,
115 	PERF_OUTPUT_DATA_SRC	    = 1ULL << 17,
116 	PERF_OUTPUT_WEIGHT	    = 1ULL << 18,
117 	PERF_OUTPUT_BPF_OUTPUT	    = 1ULL << 19,
118 	PERF_OUTPUT_CALLINDENT	    = 1ULL << 20,
119 	PERF_OUTPUT_INSN	    = 1ULL << 21,
120 	PERF_OUTPUT_INSNLEN	    = 1ULL << 22,
121 	PERF_OUTPUT_BRSTACKINSN	    = 1ULL << 23,
122 	PERF_OUTPUT_BRSTACKOFF	    = 1ULL << 24,
123 	PERF_OUTPUT_SYNTH           = 1ULL << 25,
124 	PERF_OUTPUT_PHYS_ADDR       = 1ULL << 26,
125 	PERF_OUTPUT_UREGS	    = 1ULL << 27,
126 	PERF_OUTPUT_METRIC	    = 1ULL << 28,
127 	PERF_OUTPUT_MISC            = 1ULL << 29,
128 	PERF_OUTPUT_SRCCODE	    = 1ULL << 30,
129 	PERF_OUTPUT_IPC             = 1ULL << 31,
130 	PERF_OUTPUT_TOD             = 1ULL << 32,
131 	PERF_OUTPUT_DATA_PAGE_SIZE  = 1ULL << 33,
132 	PERF_OUTPUT_CODE_PAGE_SIZE  = 1ULL << 34,
133 	PERF_OUTPUT_INS_LAT         = 1ULL << 35,
134 	PERF_OUTPUT_BRSTACKINSNLEN  = 1ULL << 36,
135 	PERF_OUTPUT_MACHINE_PID     = 1ULL << 37,
136 	PERF_OUTPUT_VCPU            = 1ULL << 38,
137 	PERF_OUTPUT_CGROUP          = 1ULL << 39,
138 	PERF_OUTPUT_RETIRE_LAT      = 1ULL << 40,
139 	PERF_OUTPUT_DSOFF           = 1ULL << 41,
140 	PERF_OUTPUT_DISASM          = 1ULL << 42,
141 	PERF_OUTPUT_BRSTACKDISASM   = 1ULL << 43,
142 	PERF_OUTPUT_BRCNTR          = 1ULL << 44,
143 };
144 
145 struct perf_script {
146 	struct perf_tool	tool;
147 	struct perf_session	*session;
148 	bool			show_task_events;
149 	bool			show_mmap_events;
150 	bool			show_switch_events;
151 	bool			show_namespace_events;
152 	bool			show_lost_events;
153 	bool			show_round_events;
154 	bool			show_bpf_events;
155 	bool			show_cgroup_events;
156 	bool			show_text_poke_events;
157 	bool			allocated;
158 	bool			per_event_dump;
159 	bool			stitch_lbr;
160 	struct evswitch		evswitch;
161 	struct perf_cpu_map	*cpus;
162 	struct perf_thread_map *threads;
163 	int			name_width;
164 	const char              *time_str;
165 	struct perf_time_interval *ptime_range;
166 	int			range_size;
167 	int			range_num;
168 };
169 
170 struct output_option {
171 	const char *str;
172 	enum perf_output_field field;
173 } all_output_options[] = {
174 	{.str = "comm",  .field = PERF_OUTPUT_COMM},
175 	{.str = "tid",   .field = PERF_OUTPUT_TID},
176 	{.str = "pid",   .field = PERF_OUTPUT_PID},
177 	{.str = "time",  .field = PERF_OUTPUT_TIME},
178 	{.str = "cpu",   .field = PERF_OUTPUT_CPU},
179 	{.str = "event", .field = PERF_OUTPUT_EVNAME},
180 	{.str = "trace", .field = PERF_OUTPUT_TRACE},
181 	{.str = "ip",    .field = PERF_OUTPUT_IP},
182 	{.str = "sym",   .field = PERF_OUTPUT_SYM},
183 	{.str = "dso",   .field = PERF_OUTPUT_DSO},
184 	{.str = "dsoff", .field = PERF_OUTPUT_DSOFF},
185 	{.str = "addr",  .field = PERF_OUTPUT_ADDR},
186 	{.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
187 	{.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
188 	{.str = "period", .field = PERF_OUTPUT_PERIOD},
189 	{.str = "iregs", .field = PERF_OUTPUT_IREGS},
190 	{.str = "uregs", .field = PERF_OUTPUT_UREGS},
191 	{.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
192 	{.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
193 	{.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
194 	{.str = "weight",   .field = PERF_OUTPUT_WEIGHT},
195 	{.str = "bpf-output",   .field = PERF_OUTPUT_BPF_OUTPUT},
196 	{.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
197 	{.str = "insn", .field = PERF_OUTPUT_INSN},
198 	{.str = "disasm", .field = PERF_OUTPUT_DISASM},
199 	{.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
200 	{.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
201 	{.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
202 	{.str = "synth", .field = PERF_OUTPUT_SYNTH},
203 	{.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
204 	{.str = "metric", .field = PERF_OUTPUT_METRIC},
205 	{.str = "misc", .field = PERF_OUTPUT_MISC},
206 	{.str = "srccode", .field = PERF_OUTPUT_SRCCODE},
207 	{.str = "ipc", .field = PERF_OUTPUT_IPC},
208 	{.str = "tod", .field = PERF_OUTPUT_TOD},
209 	{.str = "data_page_size", .field = PERF_OUTPUT_DATA_PAGE_SIZE},
210 	{.str = "code_page_size", .field = PERF_OUTPUT_CODE_PAGE_SIZE},
211 	{.str = "ins_lat", .field = PERF_OUTPUT_INS_LAT},
212 	{.str = "brstackinsnlen", .field = PERF_OUTPUT_BRSTACKINSNLEN},
213 	{.str = "machine_pid", .field = PERF_OUTPUT_MACHINE_PID},
214 	{.str = "vcpu", .field = PERF_OUTPUT_VCPU},
215 	{.str = "cgroup", .field = PERF_OUTPUT_CGROUP},
216 	{.str = "retire_lat", .field = PERF_OUTPUT_RETIRE_LAT},
217 	{.str = "brstackdisasm", .field = PERF_OUTPUT_BRSTACKDISASM},
218 	{.str = "brcntr", .field = PERF_OUTPUT_BRCNTR},
219 };
220 
221 enum {
222 	OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
223 	OUTPUT_TYPE_OTHER,
224 	OUTPUT_TYPE_MAX
225 };
226 
227 /* default set to maintain compatibility with current format */
228 static struct {
229 	bool user_set;
230 	bool wildcard_set;
231 	unsigned int print_ip_opts;
232 	u64 fields;
233 	u64 invalid_fields;
234 	u64 user_set_fields;
235 	u64 user_unset_fields;
236 } output[OUTPUT_TYPE_MAX] = {
237 
238 	[PERF_TYPE_HARDWARE] = {
239 		.user_set = false,
240 
241 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
242 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
243 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
244 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
245 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
246 
247 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
248 	},
249 
250 	[PERF_TYPE_SOFTWARE] = {
251 		.user_set = false,
252 
253 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
254 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
255 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
256 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
257 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
258 			      PERF_OUTPUT_BPF_OUTPUT,
259 
260 		.invalid_fields = PERF_OUTPUT_TRACE,
261 	},
262 
263 	[PERF_TYPE_TRACEPOINT] = {
264 		.user_set = false,
265 
266 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
267 				  PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
268 				  PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
269 	},
270 
271 	[PERF_TYPE_HW_CACHE] = {
272 		.user_set = false,
273 
274 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
275 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
276 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
277 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
278 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
279 
280 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
281 	},
282 
283 	[PERF_TYPE_RAW] = {
284 		.user_set = false,
285 
286 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
287 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
288 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
289 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
290 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
291 			      PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
292 			      PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR |
293 			      PERF_OUTPUT_DATA_PAGE_SIZE | PERF_OUTPUT_CODE_PAGE_SIZE |
294 			      PERF_OUTPUT_INS_LAT | PERF_OUTPUT_RETIRE_LAT,
295 
296 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
297 	},
298 
299 	[PERF_TYPE_BREAKPOINT] = {
300 		.user_set = false,
301 
302 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
303 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
304 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
305 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
306 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
307 
308 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
309 	},
310 
311 	[OUTPUT_TYPE_SYNTH] = {
312 		.user_set = false,
313 
314 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
315 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
316 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
317 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
318 			      PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH,
319 
320 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
321 	},
322 
323 	[OUTPUT_TYPE_OTHER] = {
324 		.user_set = false,
325 
326 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
327 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
328 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
329 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
330 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
331 
332 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
333 	},
334 };
335 
336 struct evsel_script {
337        char *filename;
338        FILE *fp;
339        u64  samples;
340        /* For metric output */
341        u64  val;
342        int  gnum;
343 };
344 
345 static inline struct evsel_script *evsel_script(struct evsel *evsel)
346 {
347 	return (struct evsel_script *)evsel->priv;
348 }
349 
350 static struct evsel_script *evsel_script__new(struct evsel *evsel, struct perf_data *data)
351 {
352 	struct evsel_script *es = zalloc(sizeof(*es));
353 
354 	if (es != NULL) {
355 		if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0)
356 			goto out_free;
357 		es->fp = fopen(es->filename, "w");
358 		if (es->fp == NULL)
359 			goto out_free_filename;
360 	}
361 
362 	return es;
363 out_free_filename:
364 	zfree(&es->filename);
365 out_free:
366 	free(es);
367 	return NULL;
368 }
369 
370 static void evsel_script__delete(struct evsel_script *es)
371 {
372 	zfree(&es->filename);
373 	fclose(es->fp);
374 	es->fp = NULL;
375 	free(es);
376 }
377 
378 static int evsel_script__fprintf(struct evsel_script *es, FILE *fp)
379 {
380 	struct stat st;
381 
382 	fstat(fileno(es->fp), &st);
383 	return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
384 		       st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
385 }
386 
387 static inline int output_type(unsigned int type)
388 {
389 	switch (type) {
390 	case PERF_TYPE_SYNTH:
391 		return OUTPUT_TYPE_SYNTH;
392 	default:
393 		if (type < PERF_TYPE_MAX)
394 			return type;
395 	}
396 
397 	return OUTPUT_TYPE_OTHER;
398 }
399 
400 static bool output_set_by_user(void)
401 {
402 	int j;
403 	for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
404 		if (output[j].user_set)
405 			return true;
406 	}
407 	return false;
408 }
409 
410 static const char *output_field2str(enum perf_output_field field)
411 {
412 	int i, imax = ARRAY_SIZE(all_output_options);
413 	const char *str = "";
414 
415 	for (i = 0; i < imax; ++i) {
416 		if (all_output_options[i].field == field) {
417 			str = all_output_options[i].str;
418 			break;
419 		}
420 	}
421 	return str;
422 }
423 
424 #define PRINT_FIELD(x)  (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
425 
426 static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
427 				 enum perf_output_field field, bool allow_user_set)
428 {
429 	struct perf_event_attr *attr = &evsel->core.attr;
430 	int type = output_type(attr->type);
431 	const char *evname;
432 
433 	if (attr->sample_type & sample_type)
434 		return 0;
435 
436 	if (output[type].user_set_fields & field) {
437 		if (allow_user_set)
438 			return 0;
439 		evname = evsel__name(evsel);
440 		pr_err("Samples for '%s' event do not have %s attribute set. "
441 		       "Cannot print '%s' field.\n",
442 		       evname, sample_msg, output_field2str(field));
443 		return -1;
444 	}
445 
446 	/* user did not ask for it explicitly so remove from the default list */
447 	output[type].fields &= ~field;
448 	evname = evsel__name(evsel);
449 	pr_debug("Samples for '%s' event do not have %s attribute set. "
450 		 "Skipping '%s' field.\n",
451 		 evname, sample_msg, output_field2str(field));
452 
453 	return 0;
454 }
455 
456 static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
457 			      enum perf_output_field field)
458 {
459 	return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false);
460 }
461 
462 static int evsel__check_attr(struct evsel *evsel, struct perf_session *session)
463 {
464 	struct perf_event_attr *attr = &evsel->core.attr;
465 	bool allow_user_set;
466 
467 	if (evsel__is_dummy_event(evsel))
468 		return 0;
469 
470 	if (perf_header__has_feat(&session->header, HEADER_STAT))
471 		return 0;
472 
473 	allow_user_set = perf_header__has_feat(&session->header,
474 					       HEADER_AUXTRACE);
475 
476 	if (PRINT_FIELD(TRACE) &&
477 	    !perf_session__has_traces(session, "record -R"))
478 		return -EINVAL;
479 
480 	if (PRINT_FIELD(IP)) {
481 		if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP))
482 			return -EINVAL;
483 	}
484 
485 	if (PRINT_FIELD(ADDR) &&
486 	    evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set))
487 		return -EINVAL;
488 
489 	if (PRINT_FIELD(DATA_SRC) &&
490 	    evsel__do_check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC, allow_user_set))
491 		return -EINVAL;
492 
493 	if (PRINT_FIELD(WEIGHT) &&
494 	    evsel__do_check_stype(evsel, PERF_SAMPLE_WEIGHT_TYPE, "WEIGHT", PERF_OUTPUT_WEIGHT, allow_user_set))
495 		return -EINVAL;
496 
497 	if (PRINT_FIELD(SYM) &&
498 	    !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
499 		pr_err("Display of symbols requested but neither sample IP nor "
500 			   "sample address\navailable. Hence, no addresses to convert "
501 		       "to symbols.\n");
502 		return -EINVAL;
503 	}
504 	if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
505 		pr_err("Display of offsets requested but symbol is not"
506 		       "selected.\n");
507 		return -EINVAL;
508 	}
509 	if (PRINT_FIELD(DSO) &&
510 	    !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
511 		pr_err("Display of DSO requested but no address to convert.\n");
512 		return -EINVAL;
513 	}
514 	if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) {
515 		pr_err("Display of source line number requested but sample IP is not\n"
516 		       "selected. Hence, no address to lookup the source line number.\n");
517 		return -EINVAL;
518 	}
519 	if ((PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN) || PRINT_FIELD(BRSTACKDISASM))
520 	    && !allow_user_set &&
521 	    !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) {
522 		pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
523 		       "Hint: run 'perf record -b ...'\n");
524 		return -EINVAL;
525 	}
526 	if (PRINT_FIELD(BRCNTR) &&
527 	    !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_COUNTERS)) {
528 		pr_err("Display of branch counter requested but it's not enabled\n"
529 		       "Hint: run 'perf record -j any,counter ...'\n");
530 		return -EINVAL;
531 	}
532 	if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
533 	    evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID))
534 		return -EINVAL;
535 
536 	if (PRINT_FIELD(TIME) &&
537 	    evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME))
538 		return -EINVAL;
539 
540 	if (PRINT_FIELD(CPU) &&
541 	    evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set))
542 		return -EINVAL;
543 
544 	if (PRINT_FIELD(IREGS) &&
545 	    evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set))
546 		return -EINVAL;
547 
548 	if (PRINT_FIELD(UREGS) &&
549 	    evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS))
550 		return -EINVAL;
551 
552 	if (PRINT_FIELD(PHYS_ADDR) &&
553 	    evsel__do_check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR, allow_user_set))
554 		return -EINVAL;
555 
556 	if (PRINT_FIELD(DATA_PAGE_SIZE) &&
557 	    evsel__check_stype(evsel, PERF_SAMPLE_DATA_PAGE_SIZE, "DATA_PAGE_SIZE", PERF_OUTPUT_DATA_PAGE_SIZE))
558 		return -EINVAL;
559 
560 	if (PRINT_FIELD(CODE_PAGE_SIZE) &&
561 	    evsel__check_stype(evsel, PERF_SAMPLE_CODE_PAGE_SIZE, "CODE_PAGE_SIZE", PERF_OUTPUT_CODE_PAGE_SIZE))
562 		return -EINVAL;
563 
564 	if (PRINT_FIELD(INS_LAT) &&
565 	    evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_INS_LAT))
566 		return -EINVAL;
567 
568 	if (PRINT_FIELD(CGROUP) &&
569 	    evsel__check_stype(evsel, PERF_SAMPLE_CGROUP, "CGROUP", PERF_OUTPUT_CGROUP)) {
570 		pr_err("Hint: run 'perf record --all-cgroups ...'\n");
571 		return -EINVAL;
572 	}
573 
574 	if (PRINT_FIELD(RETIRE_LAT) &&
575 	    evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_RETIRE_LAT))
576 		return -EINVAL;
577 
578 	return 0;
579 }
580 
581 static void set_print_ip_opts(struct perf_event_attr *attr)
582 {
583 	unsigned int type = output_type(attr->type);
584 
585 	output[type].print_ip_opts = 0;
586 	if (PRINT_FIELD(IP))
587 		output[type].print_ip_opts |= EVSEL__PRINT_IP;
588 
589 	if (PRINT_FIELD(SYM))
590 		output[type].print_ip_opts |= EVSEL__PRINT_SYM;
591 
592 	if (PRINT_FIELD(DSO))
593 		output[type].print_ip_opts |= EVSEL__PRINT_DSO;
594 
595 	if (PRINT_FIELD(DSOFF))
596 		output[type].print_ip_opts |= EVSEL__PRINT_DSOFF;
597 
598 	if (PRINT_FIELD(SYMOFFSET))
599 		output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
600 
601 	if (PRINT_FIELD(SRCLINE))
602 		output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
603 }
604 
605 static struct evsel *find_first_output_type(struct evlist *evlist,
606 					    unsigned int type)
607 {
608 	struct evsel *evsel;
609 
610 	evlist__for_each_entry(evlist, evsel) {
611 		if (evsel__is_dummy_event(evsel))
612 			continue;
613 		if (output_type(evsel->core.attr.type) == (int)type)
614 			return evsel;
615 	}
616 	return NULL;
617 }
618 
619 /*
620  * verify all user requested events exist and the samples
621  * have the expected data
622  */
623 static int perf_session__check_output_opt(struct perf_session *session)
624 {
625 	bool tod = false;
626 	unsigned int j;
627 	struct evsel *evsel;
628 
629 	for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
630 		evsel = find_first_output_type(session->evlist, j);
631 
632 		/*
633 		 * even if fields is set to 0 (ie., show nothing) event must
634 		 * exist if user explicitly includes it on the command line
635 		 */
636 		if (!evsel && output[j].user_set && !output[j].wildcard_set &&
637 		    j != OUTPUT_TYPE_SYNTH) {
638 			pr_err("%s events do not exist. "
639 			       "Remove corresponding -F option to proceed.\n",
640 			       event_type(j));
641 			return -1;
642 		}
643 
644 		if (evsel && output[j].fields &&
645 			evsel__check_attr(evsel, session))
646 			return -1;
647 
648 		if (evsel == NULL)
649 			continue;
650 
651 		/* 'dsoff' implys 'dso' field */
652 		if (output[j].fields & PERF_OUTPUT_DSOFF)
653 			output[j].fields |= PERF_OUTPUT_DSO;
654 
655 		set_print_ip_opts(&evsel->core.attr);
656 		tod |= output[j].fields & PERF_OUTPUT_TOD;
657 	}
658 
659 	if (!no_callchain) {
660 		bool use_callchain = false;
661 		bool not_pipe = false;
662 
663 		evlist__for_each_entry(session->evlist, evsel) {
664 			not_pipe = true;
665 			if (evsel__has_callchain(evsel)) {
666 				use_callchain = true;
667 				break;
668 			}
669 		}
670 		if (not_pipe && !use_callchain)
671 			symbol_conf.use_callchain = false;
672 	}
673 
674 	/*
675 	 * set default for tracepoints to print symbols only
676 	 * if callchains are present
677 	 */
678 	if (symbol_conf.use_callchain &&
679 	    !output[PERF_TYPE_TRACEPOINT].user_set) {
680 		j = PERF_TYPE_TRACEPOINT;
681 
682 		evlist__for_each_entry(session->evlist, evsel) {
683 			if (evsel->core.attr.type != j)
684 				continue;
685 
686 			if (evsel__has_callchain(evsel)) {
687 				output[j].fields |= PERF_OUTPUT_IP;
688 				output[j].fields |= PERF_OUTPUT_SYM;
689 				output[j].fields |= PERF_OUTPUT_SYMOFFSET;
690 				output[j].fields |= PERF_OUTPUT_DSO;
691 				set_print_ip_opts(&evsel->core.attr);
692 				goto out;
693 			}
694 		}
695 	}
696 
697 	if (tod && !session->header.env.clock.enabled) {
698 		pr_err("Can't provide 'tod' time, missing clock data. "
699 		       "Please record with -k/--clockid option.\n");
700 		return -1;
701 	}
702 out:
703 	return 0;
704 }
705 
706 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask, const char *arch,
707 				     FILE *fp)
708 {
709 	unsigned i = 0, r;
710 	int printed = 0;
711 
712 	if (!regs || !regs->regs)
713 		return 0;
714 
715 	printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
716 
717 	for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
718 		u64 val = regs->regs[i++];
719 		printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r, arch), val);
720 	}
721 
722 	return printed;
723 }
724 
725 #define DEFAULT_TOD_FMT "%F %H:%M:%S"
726 
727 static char*
728 tod_scnprintf(struct perf_script *script, char *buf, int buflen,
729 	     u64 timestamp)
730 {
731 	u64 tod_ns, clockid_ns;
732 	struct perf_env *env;
733 	unsigned long nsec;
734 	struct tm ltime;
735 	char date[64];
736 	time_t sec;
737 
738 	buf[0] = '\0';
739 	if (buflen < 64 || !script)
740 		return buf;
741 
742 	env = &script->session->header.env;
743 	if (!env->clock.enabled) {
744 		scnprintf(buf, buflen, "disabled");
745 		return buf;
746 	}
747 
748 	clockid_ns = env->clock.clockid_ns;
749 	tod_ns     = env->clock.tod_ns;
750 
751 	if (timestamp > clockid_ns)
752 		tod_ns += timestamp - clockid_ns;
753 	else
754 		tod_ns -= clockid_ns - timestamp;
755 
756 	sec  = (time_t) (tod_ns / NSEC_PER_SEC);
757 	nsec = tod_ns - sec * NSEC_PER_SEC;
758 
759 	if (localtime_r(&sec, &ltime) == NULL) {
760 		scnprintf(buf, buflen, "failed");
761 	} else {
762 		strftime(date, sizeof(date), DEFAULT_TOD_FMT, &ltime);
763 
764 		if (symbol_conf.nanosecs) {
765 			snprintf(buf, buflen, "%s.%09lu", date, nsec);
766 		} else {
767 			snprintf(buf, buflen, "%s.%06lu",
768 				 date, nsec / NSEC_PER_USEC);
769 		}
770 	}
771 
772 	return buf;
773 }
774 
775 static int perf_sample__fprintf_iregs(struct perf_sample *sample,
776 				      struct perf_event_attr *attr, const char *arch, FILE *fp)
777 {
778 	return perf_sample__fprintf_regs(&sample->intr_regs,
779 					 attr->sample_regs_intr, arch, fp);
780 }
781 
782 static int perf_sample__fprintf_uregs(struct perf_sample *sample,
783 				      struct perf_event_attr *attr, const char *arch, FILE *fp)
784 {
785 	return perf_sample__fprintf_regs(&sample->user_regs,
786 					 attr->sample_regs_user, arch, fp);
787 }
788 
789 static int perf_sample__fprintf_start(struct perf_script *script,
790 				      struct perf_sample *sample,
791 				      struct thread *thread,
792 				      struct evsel *evsel,
793 				      u32 type, FILE *fp)
794 {
795 	struct perf_event_attr *attr = &evsel->core.attr;
796 	unsigned long secs;
797 	unsigned long long nsecs;
798 	int printed = 0;
799 	char tstr[128];
800 
801 	/*
802 	 * Print the branch counter's abbreviation list,
803 	 * if the branch counter is available.
804 	 */
805 	if (PRINT_FIELD(BRCNTR) && !verbose) {
806 		char *buf;
807 
808 		if (!annotation_br_cntr_abbr_list(&buf, evsel, true)) {
809 			printed += fprintf(stdout, "%s", buf);
810 			free(buf);
811 		}
812 	}
813 
814 	if (PRINT_FIELD(MACHINE_PID) && sample->machine_pid)
815 		printed += fprintf(fp, "VM:%5d ", sample->machine_pid);
816 
817 	/* Print VCPU only for guest events i.e. with machine_pid */
818 	if (PRINT_FIELD(VCPU) && sample->machine_pid)
819 		printed += fprintf(fp, "VCPU:%03d ", sample->vcpu);
820 
821 	if (PRINT_FIELD(COMM)) {
822 		const char *comm = thread ? thread__comm_str(thread) : ":-1";
823 
824 		if (latency_format)
825 			printed += fprintf(fp, "%8.8s ", comm);
826 		else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
827 			printed += fprintf(fp, "%s ", comm);
828 		else
829 			printed += fprintf(fp, "%16s ", comm);
830 	}
831 
832 	if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
833 		printed += fprintf(fp, "%7d/%-7d ", sample->pid, sample->tid);
834 	else if (PRINT_FIELD(PID))
835 		printed += fprintf(fp, "%7d ", sample->pid);
836 	else if (PRINT_FIELD(TID))
837 		printed += fprintf(fp, "%7d ", sample->tid);
838 
839 	if (PRINT_FIELD(CPU)) {
840 		if (latency_format)
841 			printed += fprintf(fp, "%3d ", sample->cpu);
842 		else
843 			printed += fprintf(fp, "[%03d] ", sample->cpu);
844 	}
845 
846 	if (PRINT_FIELD(MISC)) {
847 		int ret = 0;
848 
849 		#define has(m) \
850 			(sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
851 
852 		if (has(KERNEL))
853 			ret += fprintf(fp, "K");
854 		if (has(USER))
855 			ret += fprintf(fp, "U");
856 		if (has(HYPERVISOR))
857 			ret += fprintf(fp, "H");
858 		if (has(GUEST_KERNEL))
859 			ret += fprintf(fp, "G");
860 		if (has(GUEST_USER))
861 			ret += fprintf(fp, "g");
862 
863 		switch (type) {
864 		case PERF_RECORD_MMAP:
865 		case PERF_RECORD_MMAP2:
866 			if (has(MMAP_DATA))
867 				ret += fprintf(fp, "M");
868 			break;
869 		case PERF_RECORD_COMM:
870 			if (has(COMM_EXEC))
871 				ret += fprintf(fp, "E");
872 			break;
873 		case PERF_RECORD_SWITCH:
874 		case PERF_RECORD_SWITCH_CPU_WIDE:
875 			if (has(SWITCH_OUT)) {
876 				ret += fprintf(fp, "S");
877 				if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
878 					ret += fprintf(fp, "p");
879 			}
880 		default:
881 			break;
882 		}
883 
884 		#undef has
885 
886 		ret += fprintf(fp, "%*s", 6 - ret, " ");
887 		printed += ret;
888 	}
889 
890 	if (PRINT_FIELD(TOD)) {
891 		tod_scnprintf(script, tstr, sizeof(tstr), sample->time);
892 		printed += fprintf(fp, "%s ", tstr);
893 	}
894 
895 	if (PRINT_FIELD(TIME)) {
896 		u64 t = sample->time;
897 		if (reltime) {
898 			if (!initial_time)
899 				initial_time = sample->time;
900 			t = sample->time - initial_time;
901 		} else if (deltatime) {
902 			if (previous_time)
903 				t = sample->time - previous_time;
904 			else {
905 				t = 0;
906 			}
907 			previous_time = sample->time;
908 		}
909 		nsecs = t;
910 		secs = nsecs / NSEC_PER_SEC;
911 		nsecs -= secs * NSEC_PER_SEC;
912 
913 		if (symbol_conf.nanosecs)
914 			printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
915 		else {
916 			char sample_time[32];
917 			timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time));
918 			printed += fprintf(fp, "%12s: ", sample_time);
919 		}
920 	}
921 
922 	return printed;
923 }
924 
925 static inline char
926 mispred_str(struct branch_entry *br)
927 {
928 	if (!(br->flags.mispred  || br->flags.predicted))
929 		return '-';
930 
931 	return br->flags.predicted ? 'P' : 'M';
932 }
933 
934 static int print_bstack_flags(FILE *fp, struct branch_entry *br)
935 {
936 	return fprintf(fp, "/%c/%c/%c/%d/%s/%s ",
937 		       mispred_str(br),
938 		       br->flags.in_tx ? 'X' : '-',
939 		       br->flags.abort ? 'A' : '-',
940 		       br->flags.cycles,
941 		       get_branch_type(br),
942 		       br->flags.spec ? branch_spec_desc(br->flags.spec) : "-");
943 }
944 
945 static int perf_sample__fprintf_brstack(struct perf_sample *sample,
946 					struct thread *thread,
947 					struct perf_event_attr *attr, FILE *fp)
948 {
949 	struct branch_stack *br = sample->branch_stack;
950 	struct branch_entry *entries = perf_sample__branch_entries(sample);
951 	u64 i, from, to;
952 	int printed = 0;
953 
954 	if (!(br && br->nr))
955 		return 0;
956 
957 	for (i = 0; i < br->nr; i++) {
958 		from = entries[i].from;
959 		to   = entries[i].to;
960 
961 		printed += fprintf(fp, " 0x%"PRIx64, from);
962 		if (PRINT_FIELD(DSO)) {
963 			struct addr_location alf, alt;
964 
965 			addr_location__init(&alf);
966 			addr_location__init(&alt);
967 			thread__find_map_fb(thread, sample->cpumode, from, &alf);
968 			thread__find_map_fb(thread, sample->cpumode, to, &alt);
969 
970 			printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp);
971 			printed += fprintf(fp, "/0x%"PRIx64, to);
972 			printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp);
973 			addr_location__exit(&alt);
974 			addr_location__exit(&alf);
975 		} else
976 			printed += fprintf(fp, "/0x%"PRIx64, to);
977 
978 		printed += print_bstack_flags(fp, entries + i);
979 	}
980 
981 	return printed;
982 }
983 
984 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
985 					   struct thread *thread,
986 					   struct perf_event_attr *attr, FILE *fp)
987 {
988 	struct branch_stack *br = sample->branch_stack;
989 	struct branch_entry *entries = perf_sample__branch_entries(sample);
990 	u64 i, from, to;
991 	int printed = 0;
992 
993 	if (!(br && br->nr))
994 		return 0;
995 
996 	for (i = 0; i < br->nr; i++) {
997 		struct addr_location alf, alt;
998 
999 		addr_location__init(&alf);
1000 		addr_location__init(&alt);
1001 		from = entries[i].from;
1002 		to   = entries[i].to;
1003 
1004 		thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
1005 		thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
1006 
1007 		printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
1008 		if (PRINT_FIELD(DSO))
1009 			printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp);
1010 		printed += fprintf(fp, "%c", '/');
1011 		printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
1012 		if (PRINT_FIELD(DSO))
1013 			printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp);
1014 		printed += print_bstack_flags(fp, entries + i);
1015 		addr_location__exit(&alt);
1016 		addr_location__exit(&alf);
1017 	}
1018 
1019 	return printed;
1020 }
1021 
1022 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
1023 					   struct thread *thread,
1024 					   struct perf_event_attr *attr, FILE *fp)
1025 {
1026 	struct branch_stack *br = sample->branch_stack;
1027 	struct branch_entry *entries = perf_sample__branch_entries(sample);
1028 	u64 i, from, to;
1029 	int printed = 0;
1030 
1031 	if (!(br && br->nr))
1032 		return 0;
1033 
1034 	for (i = 0; i < br->nr; i++) {
1035 		struct addr_location alf, alt;
1036 
1037 		addr_location__init(&alf);
1038 		addr_location__init(&alt);
1039 		from = entries[i].from;
1040 		to   = entries[i].to;
1041 
1042 		if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
1043 		    !dso__adjust_symbols(map__dso(alf.map)))
1044 			from = map__dso_map_ip(alf.map, from);
1045 
1046 		if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
1047 		    !dso__adjust_symbols(map__dso(alt.map)))
1048 			to = map__dso_map_ip(alt.map, to);
1049 
1050 		printed += fprintf(fp, " 0x%"PRIx64, from);
1051 		if (PRINT_FIELD(DSO))
1052 			printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp);
1053 		printed += fprintf(fp, "/0x%"PRIx64, to);
1054 		if (PRINT_FIELD(DSO))
1055 			printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp);
1056 		printed += print_bstack_flags(fp, entries + i);
1057 		addr_location__exit(&alt);
1058 		addr_location__exit(&alf);
1059 	}
1060 
1061 	return printed;
1062 }
1063 #define MAXBB 16384UL
1064 
1065 static int grab_bb(u8 *buffer, u64 start, u64 end,
1066 		    struct machine *machine, struct thread *thread,
1067 		    bool *is64bit, u8 *cpumode, bool last)
1068 {
1069 	long offset, len;
1070 	struct addr_location al;
1071 	bool kernel;
1072 	struct dso *dso;
1073 	int ret = 0;
1074 
1075 	if (!start || !end)
1076 		return 0;
1077 
1078 	kernel = machine__kernel_ip(machine, start);
1079 	if (kernel)
1080 		*cpumode = PERF_RECORD_MISC_KERNEL;
1081 	else
1082 		*cpumode = PERF_RECORD_MISC_USER;
1083 
1084 	/*
1085 	 * Block overlaps between kernel and user.
1086 	 * This can happen due to ring filtering
1087 	 * On Intel CPUs the entry into the kernel is filtered,
1088 	 * but the exit is not. Let the caller patch it up.
1089 	 */
1090 	if (kernel != machine__kernel_ip(machine, end)) {
1091 		pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
1092 		return -ENXIO;
1093 	}
1094 
1095 	if (end - start > MAXBB - MAXINSN) {
1096 		if (last)
1097 			pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
1098 		else
1099 			pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
1100 		return 0;
1101 	}
1102 
1103 	addr_location__init(&al);
1104 	if (!thread__find_map(thread, *cpumode, start, &al) || (dso = map__dso(al.map)) == NULL) {
1105 		pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1106 		goto out;
1107 	}
1108 	if (dso__data(dso)->status == DSO_DATA_STATUS_ERROR) {
1109 		pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1110 		goto out;
1111 	}
1112 
1113 	/* Load maps to ensure dso->is_64_bit has been updated */
1114 	map__load(al.map);
1115 
1116 	offset = map__map_ip(al.map, start);
1117 	len = dso__data_read_offset(dso, machine, offset, (u8 *)buffer,
1118 				    end - start + MAXINSN);
1119 
1120 	*is64bit = dso__is_64_bit(dso);
1121 	if (len <= 0)
1122 		pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
1123 			start, end);
1124 	ret = len;
1125 out:
1126 	addr_location__exit(&al);
1127 	return ret;
1128 }
1129 
1130 static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state)
1131 {
1132 	char *srcfile;
1133 	int ret = 0;
1134 	unsigned line;
1135 	int len;
1136 	char *srccode;
1137 	struct dso *dso;
1138 
1139 	if (!map || (dso = map__dso(map)) == NULL)
1140 		return 0;
1141 	srcfile = get_srcline_split(dso,
1142 				    map__rip_2objdump(map, addr),
1143 				    &line);
1144 	if (!srcfile)
1145 		return 0;
1146 
1147 	/* Avoid redundant printing */
1148 	if (state &&
1149 	    state->srcfile &&
1150 	    !strcmp(state->srcfile, srcfile) &&
1151 	    state->line == line) {
1152 		free(srcfile);
1153 		return 0;
1154 	}
1155 
1156 	srccode = find_sourceline(srcfile, line, &len);
1157 	if (!srccode)
1158 		goto out_free_line;
1159 
1160 	ret = fprintf(fp, "|%-8d %.*s", line, len, srccode);
1161 
1162 	if (state) {
1163 		state->srcfile = srcfile;
1164 		state->line = line;
1165 	}
1166 	return ret;
1167 
1168 out_free_line:
1169 	free(srcfile);
1170 	return ret;
1171 }
1172 
1173 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr)
1174 {
1175 	struct addr_location al;
1176 	int ret = 0;
1177 
1178 	addr_location__init(&al);
1179 	thread__find_map(thread, cpumode, addr, &al);
1180 	if (!al.map)
1181 		goto out;
1182 	ret = map__fprintf_srccode(al.map, al.addr, stdout,
1183 				   thread__srccode_state(thread));
1184 	if (ret)
1185 		ret += printf("\n");
1186 out:
1187 	addr_location__exit(&al);
1188 	return ret;
1189 }
1190 
1191 static int any_dump_insn(struct perf_event_attr *attr __maybe_unused,
1192 			 struct perf_insn *x, uint64_t ip,
1193 			 u8 *inbuf, int inlen, int *lenp,
1194 			 FILE *fp)
1195 {
1196 #ifdef HAVE_LIBCAPSTONE_SUPPORT
1197 	if (PRINT_FIELD(BRSTACKDISASM)) {
1198 		int printed = fprintf_insn_asm(x->machine, x->thread, x->cpumode, x->is64bit,
1199 					       (uint8_t *)inbuf, inlen, ip, lenp,
1200 					       PRINT_INSN_IMM_HEX, fp);
1201 
1202 		if (printed > 0)
1203 			return printed;
1204 	}
1205 #endif
1206 	return fprintf(fp, "%s", dump_insn(x, ip, inbuf, inlen, lenp));
1207 }
1208 
1209 static int add_padding(FILE *fp, int printed, int padding)
1210 {
1211 	if (printed >= 0 && printed < padding)
1212 		printed += fprintf(fp, "%*s", padding - printed, "");
1213 	return printed;
1214 }
1215 
1216 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
1217 			    struct perf_insn *x, u8 *inbuf, int len,
1218 			    int insn, FILE *fp, int *total_cycles,
1219 			    struct perf_event_attr *attr,
1220 			    struct thread *thread,
1221 			    struct evsel *evsel,
1222 			    u64 br_cntr)
1223 {
1224 	int ilen = 0;
1225 	int printed = fprintf(fp, "\t%016" PRIx64 "\t", ip);
1226 
1227 	printed += add_padding(fp, any_dump_insn(attr, x, ip, inbuf, len, &ilen, fp), 30);
1228 	printed += fprintf(fp, "\t");
1229 
1230 	if (PRINT_FIELD(BRSTACKINSNLEN))
1231 		printed += fprintf(fp, "ilen: %d\t", ilen);
1232 
1233 	if (PRINT_FIELD(SRCLINE)) {
1234 		struct addr_location al;
1235 
1236 		addr_location__init(&al);
1237 		thread__find_map(thread, x->cpumode, ip, &al);
1238 		printed += map__fprintf_srcline(al.map, al.addr, " srcline: ", fp);
1239 		printed += fprintf(fp, "\t");
1240 		addr_location__exit(&al);
1241 	}
1242 
1243 	if (PRINT_FIELD(BRCNTR)) {
1244 		struct evsel *pos = evsel__leader(evsel);
1245 		unsigned int i = 0, j, num, mask, width;
1246 
1247 		perf_env__find_br_cntr_info(evsel__env(evsel), NULL, &width);
1248 		mask = (1L << width) - 1;
1249 		printed += fprintf(fp, "br_cntr: ");
1250 		evlist__for_each_entry_from(evsel->evlist, pos) {
1251 			if (!(pos->core.attr.branch_sample_type & PERF_SAMPLE_BRANCH_COUNTERS))
1252 				continue;
1253 			if (evsel__leader(pos) != evsel__leader(evsel))
1254 				break;
1255 
1256 			num = (br_cntr >> (i++ * width)) & mask;
1257 			if (!verbose) {
1258 				for (j = 0; j < num; j++)
1259 					printed += fprintf(fp, "%s", pos->abbr_name);
1260 			} else
1261 				printed += fprintf(fp, "%s %d ", pos->name, num);
1262 		}
1263 		printed += fprintf(fp, "\t");
1264 	}
1265 
1266 	printed += fprintf(fp, "#%s%s%s%s",
1267 			      en->flags.predicted ? " PRED" : "",
1268 			      en->flags.mispred ? " MISPRED" : "",
1269 			      en->flags.in_tx ? " INTX" : "",
1270 			      en->flags.abort ? " ABORT" : "");
1271 	if (en->flags.cycles) {
1272 		*total_cycles += en->flags.cycles;
1273 		printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles);
1274 		if (insn)
1275 			printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
1276 	}
1277 
1278 	return printed + fprintf(fp, "\n");
1279 }
1280 
1281 static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
1282 			   u8 cpumode, int cpu, struct symbol **lastsym,
1283 			   struct perf_event_attr *attr, FILE *fp)
1284 {
1285 	struct addr_location al;
1286 	int off, printed = 0, ret = 0;
1287 
1288 	addr_location__init(&al);
1289 	thread__find_map(thread, cpumode, addr, &al);
1290 
1291 	if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
1292 		goto out;
1293 
1294 	al.cpu = cpu;
1295 	al.sym = NULL;
1296 	if (al.map)
1297 		al.sym = map__find_symbol(al.map, al.addr);
1298 
1299 	if (!al.sym)
1300 		goto out;
1301 
1302 	if (al.addr < al.sym->end)
1303 		off = al.addr - al.sym->start;
1304 	else
1305 		off = al.addr - map__start(al.map) - al.sym->start;
1306 	printed += fprintf(fp, "\t%s", al.sym->name);
1307 	if (off)
1308 		printed += fprintf(fp, "%+d", off);
1309 	printed += fprintf(fp, ":");
1310 	if (PRINT_FIELD(SRCLINE))
1311 		printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
1312 	printed += fprintf(fp, "\n");
1313 	*lastsym = al.sym;
1314 
1315 	ret = printed;
1316 out:
1317 	addr_location__exit(&al);
1318 	return ret;
1319 }
1320 
1321 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
1322 					    struct evsel *evsel,
1323 					    struct thread *thread,
1324 					    struct perf_event_attr *attr,
1325 					    struct machine *machine, FILE *fp)
1326 {
1327 	struct branch_stack *br = sample->branch_stack;
1328 	struct branch_entry *entries = perf_sample__branch_entries(sample);
1329 	u64 start, end;
1330 	int i, insn, len, nr, ilen, printed = 0;
1331 	struct perf_insn x;
1332 	u8 buffer[MAXBB];
1333 	unsigned off;
1334 	struct symbol *lastsym = NULL;
1335 	int total_cycles = 0;
1336 	u64 br_cntr = 0;
1337 
1338 	if (!(br && br->nr))
1339 		return 0;
1340 	nr = br->nr;
1341 	if (max_blocks && nr > max_blocks + 1)
1342 		nr = max_blocks + 1;
1343 
1344 	x.thread = thread;
1345 	x.machine = machine;
1346 	x.cpu = sample->cpu;
1347 
1348 	if (PRINT_FIELD(BRCNTR) && sample->branch_stack_cntr)
1349 		br_cntr = sample->branch_stack_cntr[nr - 1];
1350 
1351 	printed += fprintf(fp, "%c", '\n');
1352 
1353 	/* Handle first from jump, of which we don't know the entry. */
1354 	len = grab_bb(buffer, entries[nr-1].from,
1355 			entries[nr-1].from,
1356 			machine, thread, &x.is64bit, &x.cpumode, false);
1357 	if (len > 0) {
1358 		printed += ip__fprintf_sym(entries[nr - 1].from, thread,
1359 					   x.cpumode, x.cpu, &lastsym, attr, fp);
1360 		printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1],
1361 					    &x, buffer, len, 0, fp, &total_cycles,
1362 					    attr, thread, evsel, br_cntr);
1363 		if (PRINT_FIELD(SRCCODE))
1364 			printed += print_srccode(thread, x.cpumode, entries[nr - 1].from);
1365 	}
1366 
1367 	/* Print all blocks */
1368 	for (i = nr - 2; i >= 0; i--) {
1369 		if (entries[i].from || entries[i].to)
1370 			pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1371 				 entries[i].from,
1372 				 entries[i].to);
1373 		start = entries[i + 1].to;
1374 		end   = entries[i].from;
1375 
1376 		len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1377 		/* Patch up missing kernel transfers due to ring filters */
1378 		if (len == -ENXIO && i > 0) {
1379 			end = entries[--i].from;
1380 			pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1381 			len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1382 		}
1383 		if (len <= 0)
1384 			continue;
1385 
1386 		insn = 0;
1387 		for (off = 0; off < (unsigned)len; off += ilen) {
1388 			uint64_t ip = start + off;
1389 
1390 			printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1391 			if (ip == end) {
1392 				if (PRINT_FIELD(BRCNTR) && sample->branch_stack_cntr)
1393 					br_cntr = sample->branch_stack_cntr[i];
1394 				printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp,
1395 							    &total_cycles, attr, thread, evsel, br_cntr);
1396 				if (PRINT_FIELD(SRCCODE))
1397 					printed += print_srccode(thread, x.cpumode, ip);
1398 				break;
1399 			} else {
1400 				ilen = 0;
1401 				printed += fprintf(fp, "\t%016" PRIx64 "\t", ip);
1402 				printed += any_dump_insn(attr, &x, ip, buffer + off, len - off, &ilen, fp);
1403 				if (PRINT_FIELD(BRSTACKINSNLEN))
1404 					printed += fprintf(fp, "\tilen: %d", ilen);
1405 				printed += fprintf(fp, "\n");
1406 				if (ilen == 0)
1407 					break;
1408 				if (PRINT_FIELD(SRCCODE))
1409 					print_srccode(thread, x.cpumode, ip);
1410 				insn++;
1411 			}
1412 		}
1413 		if (off != end - start)
1414 			printed += fprintf(fp, "\tmismatch of LBR data and executable\n");
1415 	}
1416 
1417 	/*
1418 	 * Hit the branch? In this case we are already done, and the target
1419 	 * has not been executed yet.
1420 	 */
1421 	if (entries[0].from == sample->ip)
1422 		goto out;
1423 	if (entries[0].flags.abort)
1424 		goto out;
1425 
1426 	/*
1427 	 * Print final block up to sample
1428 	 *
1429 	 * Due to pipeline delays the LBRs might be missing a branch
1430 	 * or two, which can result in very large or negative blocks
1431 	 * between final branch and sample. When this happens just
1432 	 * continue walking after the last TO.
1433 	 */
1434 	start = entries[0].to;
1435 	end = sample->ip;
1436 	if (end < start) {
1437 		/* Missing jump. Scan 128 bytes for the next branch */
1438 		end = start + 128;
1439 	}
1440 	len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1441 	printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1442 	if (len <= 0) {
1443 		/* Print at least last IP if basic block did not work */
1444 		len = grab_bb(buffer, sample->ip, sample->ip,
1445 			      machine, thread, &x.is64bit, &x.cpumode, false);
1446 		if (len <= 0)
1447 			goto out;
1448 		ilen = 0;
1449 		printed += fprintf(fp, "\t%016" PRIx64 "\t", sample->ip);
1450 		printed += any_dump_insn(attr, &x, sample->ip, buffer, len, &ilen, fp);
1451 		if (PRINT_FIELD(BRSTACKINSNLEN))
1452 			printed += fprintf(fp, "\tilen: %d", ilen);
1453 		printed += fprintf(fp, "\n");
1454 		if (PRINT_FIELD(SRCCODE))
1455 			print_srccode(thread, x.cpumode, sample->ip);
1456 		goto out;
1457 	}
1458 	for (off = 0; off <= end - start; off += ilen) {
1459 		ilen = 0;
1460 		printed += fprintf(fp, "\t%016" PRIx64 "\t", start + off);
1461 		printed += any_dump_insn(attr, &x, start + off, buffer + off, len - off, &ilen, fp);
1462 		if (PRINT_FIELD(BRSTACKINSNLEN))
1463 			printed += fprintf(fp, "\tilen: %d", ilen);
1464 		printed += fprintf(fp, "\n");
1465 		if (ilen == 0)
1466 			break;
1467 		if ((attr->branch_sample_type == 0 || attr->branch_sample_type & PERF_SAMPLE_BRANCH_ANY)
1468 				&& arch_is_uncond_branch(buffer + off, len - off, x.is64bit)
1469 				&& start + off != sample->ip) {
1470 			/*
1471 			 * Hit a missing branch. Just stop.
1472 			 */
1473 			printed += fprintf(fp, "\t... not reaching sample ...\n");
1474 			break;
1475 		}
1476 		if (PRINT_FIELD(SRCCODE))
1477 			print_srccode(thread, x.cpumode, start + off);
1478 	}
1479 out:
1480 	return printed;
1481 }
1482 
1483 static int perf_sample__fprintf_addr(struct perf_sample *sample,
1484 				     struct thread *thread,
1485 				     struct perf_event_attr *attr, FILE *fp)
1486 {
1487 	struct addr_location al;
1488 	int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1489 
1490 	addr_location__init(&al);
1491 	if (!sample_addr_correlates_sym(attr))
1492 		goto out;
1493 
1494 	thread__resolve(thread, &al, sample);
1495 
1496 	if (PRINT_FIELD(SYM)) {
1497 		printed += fprintf(fp, " ");
1498 		if (PRINT_FIELD(SYMOFFSET))
1499 			printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1500 		else
1501 			printed += symbol__fprintf_symname(al.sym, fp);
1502 	}
1503 
1504 	if (PRINT_FIELD(DSO))
1505 		printed += map__fprintf_dsoname_dsoff(al.map, PRINT_FIELD(DSOFF), al.addr, fp);
1506 out:
1507 	addr_location__exit(&al);
1508 	return printed;
1509 }
1510 
1511 static const char *resolve_branch_sym(struct perf_sample *sample,
1512 				      struct evsel *evsel,
1513 				      struct thread *thread,
1514 				      struct addr_location *al,
1515 				      struct addr_location *addr_al,
1516 				      u64 *ip)
1517 {
1518 	struct perf_event_attr *attr = &evsel->core.attr;
1519 	const char *name = NULL;
1520 
1521 	if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1522 		if (sample_addr_correlates_sym(attr)) {
1523 			if (!addr_al->thread)
1524 				thread__resolve(thread, addr_al, sample);
1525 			if (addr_al->sym)
1526 				name = addr_al->sym->name;
1527 			else
1528 				*ip = sample->addr;
1529 		} else {
1530 			*ip = sample->addr;
1531 		}
1532 	} else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1533 		if (al->sym)
1534 			name = al->sym->name;
1535 		else
1536 			*ip = sample->ip;
1537 	}
1538 	return name;
1539 }
1540 
1541 static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1542 					   struct evsel *evsel,
1543 					   struct thread *thread,
1544 					   struct addr_location *al,
1545 					   struct addr_location *addr_al,
1546 					   FILE *fp)
1547 {
1548 	struct perf_event_attr *attr = &evsel->core.attr;
1549 	size_t depth = thread_stack__depth(thread, sample->cpu);
1550 	const char *name = NULL;
1551 	static int spacing;
1552 	int len = 0;
1553 	int dlen = 0;
1554 	u64 ip = 0;
1555 
1556 	/*
1557 	 * The 'return' has already been popped off the stack so the depth has
1558 	 * to be adjusted to match the 'call'.
1559 	 */
1560 	if (thread__ts(thread) && sample->flags & PERF_IP_FLAG_RETURN)
1561 		depth += 1;
1562 
1563 	name = resolve_branch_sym(sample, evsel, thread, al, addr_al, &ip);
1564 
1565 	if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
1566 		dlen += fprintf(fp, "(");
1567 		dlen += map__fprintf_dsoname(al->map, fp);
1568 		dlen += fprintf(fp, ")\t");
1569 	}
1570 
1571 	if (name)
1572 		len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1573 	else if (ip)
1574 		len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1575 
1576 	if (len < 0)
1577 		return len;
1578 
1579 	/*
1580 	 * Try to keep the output length from changing frequently so that the
1581 	 * output lines up more nicely.
1582 	 */
1583 	if (len > spacing || (len && len < spacing - 52))
1584 		spacing = round_up(len + 4, 32);
1585 
1586 	if (len < spacing)
1587 		len += fprintf(fp, "%*s", spacing - len, "");
1588 
1589 	return len + dlen;
1590 }
1591 
1592 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused,
1593 			    struct thread *thread __maybe_unused,
1594 			    struct machine *machine __maybe_unused)
1595 {
1596 }
1597 
1598 void script_fetch_insn(struct perf_sample *sample, struct thread *thread,
1599 		       struct machine *machine)
1600 {
1601 	if (sample->insn_len == 0 && native_arch)
1602 		arch_fetch_insn(sample, thread, machine);
1603 }
1604 
1605 static int perf_sample__fprintf_insn(struct perf_sample *sample,
1606 				     struct evsel *evsel,
1607 				     struct perf_event_attr *attr,
1608 				     struct thread *thread,
1609 				     struct machine *machine, FILE *fp,
1610 				     struct addr_location *al)
1611 {
1612 	int printed = 0;
1613 
1614 	script_fetch_insn(sample, thread, machine);
1615 
1616 	if (PRINT_FIELD(INSNLEN))
1617 		printed += fprintf(fp, " ilen: %d", sample->insn_len);
1618 	if (PRINT_FIELD(INSN) && sample->insn_len) {
1619 		printed += fprintf(fp, " insn: ");
1620 		printed += sample__fprintf_insn_raw(sample, fp);
1621 	}
1622 	if (PRINT_FIELD(DISASM) && sample->insn_len) {
1623 		printed += fprintf(fp, "\t\t");
1624 		printed += sample__fprintf_insn_asm(sample, thread, machine, fp, al);
1625 	}
1626 	if (PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN) || PRINT_FIELD(BRSTACKDISASM))
1627 		printed += perf_sample__fprintf_brstackinsn(sample, evsel, thread, attr, machine, fp);
1628 
1629 	return printed;
1630 }
1631 
1632 static int perf_sample__fprintf_ipc(struct perf_sample *sample,
1633 				    struct perf_event_attr *attr, FILE *fp)
1634 {
1635 	unsigned int ipc;
1636 
1637 	if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt)
1638 		return 0;
1639 
1640 	ipc = (sample->insn_cnt * 100) / sample->cyc_cnt;
1641 
1642 	return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ",
1643 		       ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt);
1644 }
1645 
1646 static int perf_sample__fprintf_bts(struct perf_sample *sample,
1647 				    struct evsel *evsel,
1648 				    struct thread *thread,
1649 				    struct addr_location *al,
1650 				    struct addr_location *addr_al,
1651 				    struct machine *machine, FILE *fp)
1652 {
1653 	struct perf_event_attr *attr = &evsel->core.attr;
1654 	unsigned int type = output_type(attr->type);
1655 	bool print_srcline_last = false;
1656 	int printed = 0;
1657 
1658 	if (PRINT_FIELD(CALLINDENT))
1659 		printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, addr_al, fp);
1660 
1661 	/* print branch_from information */
1662 	if (PRINT_FIELD(IP)) {
1663 		unsigned int print_opts = output[type].print_ip_opts;
1664 		struct callchain_cursor *cursor = NULL;
1665 
1666 		if (symbol_conf.use_callchain && sample->callchain) {
1667 			cursor = get_tls_callchain_cursor();
1668 			if (thread__resolve_callchain(al->thread, cursor, evsel,
1669 						      sample, NULL, NULL,
1670 						      scripting_max_stack))
1671 				cursor = NULL;
1672 		}
1673 		if (cursor == NULL) {
1674 			printed += fprintf(fp, " ");
1675 			if (print_opts & EVSEL__PRINT_SRCLINE) {
1676 				print_srcline_last = true;
1677 				print_opts &= ~EVSEL__PRINT_SRCLINE;
1678 			}
1679 		} else
1680 			printed += fprintf(fp, "\n");
1681 
1682 		printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor,
1683 					       symbol_conf.bt_stop_list, fp);
1684 	}
1685 
1686 	/* print branch_to information */
1687 	if (PRINT_FIELD(ADDR) ||
1688 	    ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
1689 	     !output[type].user_set)) {
1690 		printed += fprintf(fp, " => ");
1691 		printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1692 	}
1693 
1694 	printed += perf_sample__fprintf_ipc(sample, attr, fp);
1695 
1696 	if (print_srcline_last)
1697 		printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
1698 
1699 	printed += perf_sample__fprintf_insn(sample, evsel, attr, thread, machine, fp, al);
1700 	printed += fprintf(fp, "\n");
1701 	if (PRINT_FIELD(SRCCODE)) {
1702 		int ret = map__fprintf_srccode(al->map, al->addr, stdout,
1703 					       thread__srccode_state(thread));
1704 		if (ret) {
1705 			printed += ret;
1706 			printed += printf("\n");
1707 		}
1708 	}
1709 	return printed;
1710 }
1711 
1712 static struct {
1713 	u32 flags;
1714 	const char *name;
1715 } sample_flags[] = {
1716 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1717 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1718 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1719 	{PERF_IP_FLAG_BRANCH, "jmp"},
1720 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1721 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1722 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1723 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1724 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1725 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC |	PERF_IP_FLAG_INTERRUPT, "hw int"},
1726 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1727 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1728 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1729 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMENTRY, "vmentry"},
1730 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMEXIT, "vmexit"},
1731 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_BRANCH_MISS, "br miss"},
1732 	{0, NULL}
1733 };
1734 
1735 static const char *sample_flags_to_name(u32 flags)
1736 {
1737 	int i;
1738 
1739 	for (i = 0; sample_flags[i].name ; i++) {
1740 		if (sample_flags[i].flags == flags)
1741 			return sample_flags[i].name;
1742 	}
1743 
1744 	return NULL;
1745 }
1746 
1747 int perf_sample__sprintf_flags(u32 flags, char *str, size_t sz)
1748 {
1749 	u32 xf = PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_INTR_DISABLE |
1750 		 PERF_IP_FLAG_INTR_TOGGLE;
1751 	const char *chars = PERF_IP_FLAG_CHARS;
1752 	const size_t n = strlen(PERF_IP_FLAG_CHARS);
1753 	const char *name = NULL;
1754 	size_t i, pos = 0;
1755 	char xs[16] = {0};
1756 
1757 	if (flags & xf)
1758 		snprintf(xs, sizeof(xs), "(%s%s%s)",
1759 			 flags & PERF_IP_FLAG_IN_TX ? "x" : "",
1760 			 flags & PERF_IP_FLAG_INTR_DISABLE ? "D" : "",
1761 			 flags & PERF_IP_FLAG_INTR_TOGGLE ? "t" : "");
1762 
1763 	name = sample_flags_to_name(flags & ~xf);
1764 	if (name)
1765 		return snprintf(str, sz, "%-15s%6s", name, xs);
1766 
1767 	if (flags & PERF_IP_FLAG_TRACE_BEGIN) {
1768 		name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_BEGIN));
1769 		if (name)
1770 			return snprintf(str, sz, "tr strt %-7s%6s", name, xs);
1771 	}
1772 
1773 	if (flags & PERF_IP_FLAG_TRACE_END) {
1774 		name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_END));
1775 		if (name)
1776 			return snprintf(str, sz, "tr end  %-7s%6s", name, xs);
1777 	}
1778 
1779 	for (i = 0; i < n; i++, flags >>= 1) {
1780 		if ((flags & 1) && pos < sz)
1781 			str[pos++] = chars[i];
1782 	}
1783 	for (; i < 32; i++, flags >>= 1) {
1784 		if ((flags & 1) && pos < sz)
1785 			str[pos++] = '?';
1786 	}
1787 	if (pos < sz)
1788 		str[pos] = 0;
1789 
1790 	return pos;
1791 }
1792 
1793 static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1794 {
1795 	char str[SAMPLE_FLAGS_BUF_SIZE];
1796 
1797 	perf_sample__sprintf_flags(flags, str, sizeof(str));
1798 	return fprintf(fp, "  %-21s ", str);
1799 }
1800 
1801 struct printer_data {
1802 	int line_no;
1803 	bool hit_nul;
1804 	bool is_printable;
1805 };
1806 
1807 static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1808 				      unsigned int val,
1809 				      void *extra, FILE *fp)
1810 {
1811 	unsigned char ch = (unsigned char)val;
1812 	struct printer_data *printer_data = extra;
1813 	int printed = 0;
1814 
1815 	switch (op) {
1816 	case BINARY_PRINT_DATA_BEGIN:
1817 		printed += fprintf(fp, "\n");
1818 		break;
1819 	case BINARY_PRINT_LINE_BEGIN:
1820 		printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1821 						        "           ");
1822 		break;
1823 	case BINARY_PRINT_ADDR:
1824 		printed += fprintf(fp, " %04x:", val);
1825 		break;
1826 	case BINARY_PRINT_NUM_DATA:
1827 		printed += fprintf(fp, " %02x", val);
1828 		break;
1829 	case BINARY_PRINT_NUM_PAD:
1830 		printed += fprintf(fp, "   ");
1831 		break;
1832 	case BINARY_PRINT_SEP:
1833 		printed += fprintf(fp, "  ");
1834 		break;
1835 	case BINARY_PRINT_CHAR_DATA:
1836 		if (printer_data->hit_nul && ch)
1837 			printer_data->is_printable = false;
1838 
1839 		if (!isprint(ch)) {
1840 			printed += fprintf(fp, "%c", '.');
1841 
1842 			if (!printer_data->is_printable)
1843 				break;
1844 
1845 			if (ch == '\0')
1846 				printer_data->hit_nul = true;
1847 			else
1848 				printer_data->is_printable = false;
1849 		} else {
1850 			printed += fprintf(fp, "%c", ch);
1851 		}
1852 		break;
1853 	case BINARY_PRINT_CHAR_PAD:
1854 		printed += fprintf(fp, " ");
1855 		break;
1856 	case BINARY_PRINT_LINE_END:
1857 		printed += fprintf(fp, "\n");
1858 		printer_data->line_no++;
1859 		break;
1860 	case BINARY_PRINT_DATA_END:
1861 	default:
1862 		break;
1863 	}
1864 
1865 	return printed;
1866 }
1867 
1868 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1869 {
1870 	unsigned int nr_bytes = sample->raw_size;
1871 	struct printer_data printer_data = {0, false, true};
1872 	int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1873 				      sample__fprintf_bpf_output, &printer_data, fp);
1874 
1875 	if (printer_data.is_printable && printer_data.hit_nul)
1876 		printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1877 
1878 	return printed;
1879 }
1880 
1881 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1882 {
1883 	if (len > 0 && len < spacing)
1884 		return fprintf(fp, "%*s", spacing - len, "");
1885 
1886 	return 0;
1887 }
1888 
1889 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1890 {
1891 	return perf_sample__fprintf_spacing(len, 34, fp);
1892 }
1893 
1894 /* If a value contains only printable ASCII characters padded with NULLs */
1895 static bool ptw_is_prt(u64 val)
1896 {
1897 	char c;
1898 	u32 i;
1899 
1900 	for (i = 0; i < sizeof(val); i++) {
1901 		c = ((char *)&val)[i];
1902 		if (!c)
1903 			break;
1904 		if (!isprint(c) || !isascii(c))
1905 			return false;
1906 	}
1907 	for (; i < sizeof(val); i++) {
1908 		c = ((char *)&val)[i];
1909 		if (c)
1910 			return false;
1911 	}
1912 	return true;
1913 }
1914 
1915 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1916 {
1917 	struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1918 	char str[sizeof(u64) + 1] = "";
1919 	int len;
1920 	u64 val;
1921 
1922 	if (perf_sample__bad_synth_size(sample, *data))
1923 		return 0;
1924 
1925 	val = le64_to_cpu(data->payload);
1926 	if (ptw_is_prt(val)) {
1927 		memcpy(str, &val, sizeof(val));
1928 		str[sizeof(val)] = 0;
1929 	}
1930 	len = fprintf(fp, " IP: %u payload: %#" PRIx64 " %s ",
1931 		      data->ip, val, str);
1932 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1933 }
1934 
1935 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1936 {
1937 	struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1938 	int len;
1939 
1940 	if (perf_sample__bad_synth_size(sample, *data))
1941 		return 0;
1942 
1943 	len = fprintf(fp, " hints: %#x extensions: %#x ",
1944 		      data->hints, data->extensions);
1945 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1946 }
1947 
1948 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1949 {
1950 	struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1951 	int len;
1952 
1953 	if (perf_sample__bad_synth_size(sample, *data))
1954 		return 0;
1955 
1956 	len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1957 		      data->hw, data->cstate, data->subcstate);
1958 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1959 }
1960 
1961 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1962 {
1963 	struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1964 	int len;
1965 
1966 	if (perf_sample__bad_synth_size(sample, *data))
1967 		return 0;
1968 
1969 	len = fprintf(fp, " IP: %u ", data->ip);
1970 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1971 }
1972 
1973 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1974 {
1975 	struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1976 	int len;
1977 
1978 	if (perf_sample__bad_synth_size(sample, *data))
1979 		return 0;
1980 
1981 	len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1982 		     data->deepest_cstate, data->last_cstate,
1983 		     data->wake_reason);
1984 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1985 }
1986 
1987 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1988 {
1989 	struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1990 	unsigned int percent, freq;
1991 	int len;
1992 
1993 	if (perf_sample__bad_synth_size(sample, *data))
1994 		return 0;
1995 
1996 	freq = (le32_to_cpu(data->freq) + 500) / 1000;
1997 	len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1998 	if (data->max_nonturbo) {
1999 		percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
2000 		len += fprintf(fp, "(%3u%%) ", percent);
2001 	}
2002 	return len + perf_sample__fprintf_pt_spacing(len, fp);
2003 }
2004 
2005 static int perf_sample__fprintf_synth_psb(struct perf_sample *sample, FILE *fp)
2006 {
2007 	struct perf_synth_intel_psb *data = perf_sample__synth_ptr(sample);
2008 	int len;
2009 
2010 	if (perf_sample__bad_synth_size(sample, *data))
2011 		return 0;
2012 
2013 	len = fprintf(fp, " psb offs: %#" PRIx64, data->offset);
2014 	return len + perf_sample__fprintf_pt_spacing(len, fp);
2015 }
2016 
2017 /* Intel PT Event Trace */
2018 static int perf_sample__fprintf_synth_evt(struct perf_sample *sample, FILE *fp)
2019 {
2020 	struct perf_synth_intel_evt *data = perf_sample__synth_ptr(sample);
2021 	const char *cfe[32] = {NULL, "INTR", "IRET", "SMI", "RSM", "SIPI",
2022 			       "INIT", "VMENTRY", "VMEXIT", "VMEXIT_INTR",
2023 			       "SHUTDOWN", NULL, "UINTR", "UIRET"};
2024 	const char *evd[64] = {"PFA", "VMXQ", "VMXR"};
2025 	const char *s;
2026 	int len, i;
2027 
2028 	if (perf_sample__bad_synth_size(sample, *data))
2029 		return 0;
2030 
2031 	s = cfe[data->type];
2032 	if (s) {
2033 		len = fprintf(fp, " cfe: %s IP: %d vector: %u",
2034 			      s, data->ip, data->vector);
2035 	} else {
2036 		len = fprintf(fp, " cfe: %u IP: %d vector: %u",
2037 			      data->type, data->ip, data->vector);
2038 	}
2039 	for (i = 0; i < data->evd_cnt; i++) {
2040 		unsigned int et = data->evd[i].evd_type & 0x3f;
2041 
2042 		s = evd[et];
2043 		if (s) {
2044 			len += fprintf(fp, " %s: %#" PRIx64,
2045 				       s, data->evd[i].payload);
2046 		} else {
2047 			len += fprintf(fp, " EVD_%u: %#" PRIx64,
2048 				       et, data->evd[i].payload);
2049 		}
2050 	}
2051 	return len + perf_sample__fprintf_pt_spacing(len, fp);
2052 }
2053 
2054 static int perf_sample__fprintf_synth_iflag_chg(struct perf_sample *sample, FILE *fp)
2055 {
2056 	struct perf_synth_intel_iflag_chg *data = perf_sample__synth_ptr(sample);
2057 	int len;
2058 
2059 	if (perf_sample__bad_synth_size(sample, *data))
2060 		return 0;
2061 
2062 	len = fprintf(fp, " IFLAG: %d->%d %s branch", !data->iflag, data->iflag,
2063 		      data->via_branch ? "via" : "non");
2064 	return len + perf_sample__fprintf_pt_spacing(len, fp);
2065 }
2066 
2067 static int perf_sample__fprintf_synth(struct perf_sample *sample,
2068 				      struct evsel *evsel, FILE *fp)
2069 {
2070 	switch (evsel->core.attr.config) {
2071 	case PERF_SYNTH_INTEL_PTWRITE:
2072 		return perf_sample__fprintf_synth_ptwrite(sample, fp);
2073 	case PERF_SYNTH_INTEL_MWAIT:
2074 		return perf_sample__fprintf_synth_mwait(sample, fp);
2075 	case PERF_SYNTH_INTEL_PWRE:
2076 		return perf_sample__fprintf_synth_pwre(sample, fp);
2077 	case PERF_SYNTH_INTEL_EXSTOP:
2078 		return perf_sample__fprintf_synth_exstop(sample, fp);
2079 	case PERF_SYNTH_INTEL_PWRX:
2080 		return perf_sample__fprintf_synth_pwrx(sample, fp);
2081 	case PERF_SYNTH_INTEL_CBR:
2082 		return perf_sample__fprintf_synth_cbr(sample, fp);
2083 	case PERF_SYNTH_INTEL_PSB:
2084 		return perf_sample__fprintf_synth_psb(sample, fp);
2085 	case PERF_SYNTH_INTEL_EVT:
2086 		return perf_sample__fprintf_synth_evt(sample, fp);
2087 	case PERF_SYNTH_INTEL_IFLAG_CHG:
2088 		return perf_sample__fprintf_synth_iflag_chg(sample, fp);
2089 	default:
2090 		break;
2091 	}
2092 
2093 	return 0;
2094 }
2095 
2096 static int evlist__max_name_len(struct evlist *evlist)
2097 {
2098 	struct evsel *evsel;
2099 	int max = 0;
2100 
2101 	evlist__for_each_entry(evlist, evsel) {
2102 		int len = strlen(evsel__name(evsel));
2103 
2104 		max = MAX(len, max);
2105 	}
2106 
2107 	return max;
2108 }
2109 
2110 static int data_src__fprintf(u64 data_src, FILE *fp)
2111 {
2112 	struct mem_info *mi = mem_info__new();
2113 	char decode[100];
2114 	char out[100];
2115 	static int maxlen;
2116 	int len;
2117 
2118 	if (!mi)
2119 		return -ENOMEM;
2120 
2121 	mem_info__data_src(mi)->val = data_src;
2122 	perf_script__meminfo_scnprintf(decode, 100, mi);
2123 	mem_info__put(mi);
2124 
2125 	len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
2126 	if (maxlen < len)
2127 		maxlen = len;
2128 
2129 	return fprintf(fp, "%-*s", maxlen, out);
2130 }
2131 
2132 struct metric_ctx {
2133 	struct perf_sample	*sample;
2134 	struct thread		*thread;
2135 	struct evsel	*evsel;
2136 	FILE 			*fp;
2137 };
2138 
2139 static void script_print_metric(struct perf_stat_config *config __maybe_unused,
2140 				void *ctx, enum metric_threshold_classify thresh,
2141 				const char *fmt, const char *unit, double val)
2142 {
2143 	struct metric_ctx *mctx = ctx;
2144 	const char *color = metric_threshold_classify__color(thresh);
2145 
2146 	if (!fmt)
2147 		return;
2148 	perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
2149 				   PERF_RECORD_SAMPLE, mctx->fp);
2150 	fputs("\tmetric: ", mctx->fp);
2151 	if (color)
2152 		color_fprintf(mctx->fp, color, fmt, val);
2153 	else
2154 		printf(fmt, val);
2155 	fprintf(mctx->fp, " %s\n", unit);
2156 }
2157 
2158 static void script_new_line(struct perf_stat_config *config __maybe_unused,
2159 			    void *ctx)
2160 {
2161 	struct metric_ctx *mctx = ctx;
2162 
2163 	perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
2164 				   PERF_RECORD_SAMPLE, mctx->fp);
2165 	fputs("\tmetric: ", mctx->fp);
2166 }
2167 
2168 static void perf_sample__fprint_metric(struct perf_script *script,
2169 				       struct thread *thread,
2170 				       struct evsel *evsel,
2171 				       struct perf_sample *sample,
2172 				       FILE *fp)
2173 {
2174 	struct evsel *leader = evsel__leader(evsel);
2175 	struct perf_stat_output_ctx ctx = {
2176 		.print_metric = script_print_metric,
2177 		.new_line = script_new_line,
2178 		.ctx = &(struct metric_ctx) {
2179 				.sample = sample,
2180 				.thread = thread,
2181 				.evsel  = evsel,
2182 				.fp     = fp,
2183 			 },
2184 		.force_header = false,
2185 	};
2186 	struct evsel *ev2;
2187 	u64 val;
2188 
2189 	if (!evsel->stats)
2190 		evlist__alloc_stats(&stat_config, script->session->evlist, /*alloc_raw=*/false);
2191 	if (evsel_script(leader)->gnum++ == 0)
2192 		perf_stat__reset_shadow_stats();
2193 	val = sample->period * evsel->scale;
2194 	evsel_script(evsel)->val = val;
2195 	if (evsel_script(leader)->gnum == leader->core.nr_members) {
2196 		for_each_group_member (ev2, leader) {
2197 			perf_stat__print_shadow_stats(&stat_config, ev2,
2198 						      evsel_script(ev2)->val,
2199 						      sample->cpu,
2200 						      &ctx,
2201 						      NULL);
2202 		}
2203 		evsel_script(leader)->gnum = 0;
2204 	}
2205 }
2206 
2207 static bool show_event(struct perf_sample *sample,
2208 		       struct evsel *evsel,
2209 		       struct thread *thread,
2210 		       struct addr_location *al,
2211 		       struct addr_location *addr_al)
2212 {
2213 	int depth = thread_stack__depth(thread, sample->cpu);
2214 
2215 	if (!symbol_conf.graph_function)
2216 		return true;
2217 
2218 	if (thread__filter(thread)) {
2219 		if (depth <= thread__filter_entry_depth(thread)) {
2220 			thread__set_filter(thread, false);
2221 			return false;
2222 		}
2223 		return true;
2224 	} else {
2225 		const char *s = symbol_conf.graph_function;
2226 		u64 ip;
2227 		const char *name = resolve_branch_sym(sample, evsel, thread, al, addr_al,
2228 				&ip);
2229 		unsigned nlen;
2230 
2231 		if (!name)
2232 			return false;
2233 		nlen = strlen(name);
2234 		while (*s) {
2235 			unsigned len = strcspn(s, ",");
2236 			if (nlen == len && !strncmp(name, s, len)) {
2237 				thread__set_filter(thread, true);
2238 				thread__set_filter_entry_depth(thread, depth);
2239 				return true;
2240 			}
2241 			s += len;
2242 			if (*s == ',')
2243 				s++;
2244 		}
2245 		return false;
2246 	}
2247 }
2248 
2249 static void process_event(struct perf_script *script,
2250 			  struct perf_sample *sample, struct evsel *evsel,
2251 			  struct addr_location *al,
2252 			  struct addr_location *addr_al,
2253 			  struct machine *machine)
2254 {
2255 	struct thread *thread = al->thread;
2256 	struct perf_event_attr *attr = &evsel->core.attr;
2257 	unsigned int type = output_type(attr->type);
2258 	struct evsel_script *es = evsel->priv;
2259 	FILE *fp = es->fp;
2260 	char str[PAGE_SIZE_NAME_LEN];
2261 	const char *arch = perf_env__arch(machine->env);
2262 
2263 	if (output[type].fields == 0)
2264 		return;
2265 
2266 	++es->samples;
2267 
2268 	perf_sample__fprintf_start(script, sample, thread, evsel,
2269 				   PERF_RECORD_SAMPLE, fp);
2270 
2271 	if (PRINT_FIELD(PERIOD))
2272 		fprintf(fp, "%10" PRIu64 " ", sample->period);
2273 
2274 	if (PRINT_FIELD(EVNAME)) {
2275 		const char *evname = evsel__name(evsel);
2276 
2277 		if (!script->name_width)
2278 			script->name_width = evlist__max_name_len(script->session->evlist);
2279 
2280 		fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
2281 	}
2282 
2283 	if (print_flags)
2284 		perf_sample__fprintf_flags(sample->flags, fp);
2285 
2286 	if (is_bts_event(attr)) {
2287 		perf_sample__fprintf_bts(sample, evsel, thread, al, addr_al, machine, fp);
2288 		return;
2289 	}
2290 #ifdef HAVE_LIBTRACEEVENT
2291 	if (PRINT_FIELD(TRACE) && sample->raw_data) {
2292 		event_format__fprintf(evsel->tp_format, sample->cpu,
2293 				      sample->raw_data, sample->raw_size, fp);
2294 	}
2295 #endif
2296 	if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
2297 		perf_sample__fprintf_synth(sample, evsel, fp);
2298 
2299 	if (PRINT_FIELD(ADDR))
2300 		perf_sample__fprintf_addr(sample, thread, attr, fp);
2301 
2302 	if (PRINT_FIELD(DATA_SRC))
2303 		data_src__fprintf(sample->data_src, fp);
2304 
2305 	if (PRINT_FIELD(WEIGHT))
2306 		fprintf(fp, "%16" PRIu64, sample->weight);
2307 
2308 	if (PRINT_FIELD(INS_LAT))
2309 		fprintf(fp, "%16" PRIu16, sample->ins_lat);
2310 
2311 	if (PRINT_FIELD(RETIRE_LAT))
2312 		fprintf(fp, "%16" PRIu16, sample->retire_lat);
2313 
2314 	if (PRINT_FIELD(CGROUP)) {
2315 		const char *cgrp_name;
2316 		struct cgroup *cgrp = cgroup__find(machine->env,
2317 						   sample->cgroup);
2318 		if (cgrp != NULL)
2319 			cgrp_name = cgrp->name;
2320 		else
2321 			cgrp_name = "unknown";
2322 		fprintf(fp, " %s", cgrp_name);
2323 	}
2324 
2325 	if (PRINT_FIELD(IP)) {
2326 		struct callchain_cursor *cursor = NULL;
2327 
2328 		if (script->stitch_lbr)
2329 			thread__set_lbr_stitch_enable(al->thread, true);
2330 
2331 		if (symbol_conf.use_callchain && sample->callchain) {
2332 			cursor = get_tls_callchain_cursor();
2333 			if (thread__resolve_callchain(al->thread, cursor, evsel,
2334 						      sample, NULL, NULL,
2335 						      scripting_max_stack))
2336 				cursor = NULL;
2337 		}
2338 		fputc(cursor ? '\n' : ' ', fp);
2339 		sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor,
2340 				    symbol_conf.bt_stop_list, fp);
2341 	}
2342 
2343 	if (PRINT_FIELD(IREGS))
2344 		perf_sample__fprintf_iregs(sample, attr, arch, fp);
2345 
2346 	if (PRINT_FIELD(UREGS))
2347 		perf_sample__fprintf_uregs(sample, attr, arch, fp);
2348 
2349 	if (PRINT_FIELD(BRSTACK))
2350 		perf_sample__fprintf_brstack(sample, thread, attr, fp);
2351 	else if (PRINT_FIELD(BRSTACKSYM))
2352 		perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
2353 	else if (PRINT_FIELD(BRSTACKOFF))
2354 		perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
2355 
2356 	if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
2357 		perf_sample__fprintf_bpf_output(sample, fp);
2358 	perf_sample__fprintf_insn(sample, evsel, attr, thread, machine, fp, al);
2359 
2360 	if (PRINT_FIELD(PHYS_ADDR))
2361 		fprintf(fp, "%16" PRIx64, sample->phys_addr);
2362 
2363 	if (PRINT_FIELD(DATA_PAGE_SIZE))
2364 		fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str));
2365 
2366 	if (PRINT_FIELD(CODE_PAGE_SIZE))
2367 		fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str));
2368 
2369 	perf_sample__fprintf_ipc(sample, attr, fp);
2370 
2371 	fprintf(fp, "\n");
2372 
2373 	if (PRINT_FIELD(SRCCODE)) {
2374 		if (map__fprintf_srccode(al->map, al->addr, stdout,
2375 					 thread__srccode_state(thread)))
2376 			printf("\n");
2377 	}
2378 
2379 	if (PRINT_FIELD(METRIC))
2380 		perf_sample__fprint_metric(script, thread, evsel, sample, fp);
2381 
2382 	if (verbose > 0)
2383 		fflush(fp);
2384 }
2385 
2386 static struct scripting_ops	*scripting_ops;
2387 
2388 static void __process_stat(struct evsel *counter, u64 tstamp)
2389 {
2390 	int nthreads = perf_thread_map__nr(counter->core.threads);
2391 	int idx, thread;
2392 	struct perf_cpu cpu;
2393 	static int header_printed;
2394 
2395 	if (!header_printed) {
2396 		printf("%3s %8s %15s %15s %15s %15s %s\n",
2397 		       "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
2398 		header_printed = 1;
2399 	}
2400 
2401 	for (thread = 0; thread < nthreads; thread++) {
2402 		perf_cpu_map__for_each_cpu(cpu, idx, evsel__cpus(counter)) {
2403 			struct perf_counts_values *counts;
2404 
2405 			counts = perf_counts(counter->counts, idx, thread);
2406 
2407 			printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
2408 				cpu.cpu,
2409 				perf_thread_map__pid(counter->core.threads, thread),
2410 				counts->val,
2411 				counts->ena,
2412 				counts->run,
2413 				tstamp,
2414 				evsel__name(counter));
2415 		}
2416 	}
2417 }
2418 
2419 static void process_stat(struct evsel *counter, u64 tstamp)
2420 {
2421 	if (scripting_ops && scripting_ops->process_stat)
2422 		scripting_ops->process_stat(&stat_config, counter, tstamp);
2423 	else
2424 		__process_stat(counter, tstamp);
2425 }
2426 
2427 static void process_stat_interval(u64 tstamp)
2428 {
2429 	if (scripting_ops && scripting_ops->process_stat_interval)
2430 		scripting_ops->process_stat_interval(tstamp);
2431 }
2432 
2433 static void setup_scripting(void)
2434 {
2435 #ifdef HAVE_LIBTRACEEVENT
2436 	setup_perl_scripting();
2437 #endif
2438 	setup_python_scripting();
2439 }
2440 
2441 static int flush_scripting(void)
2442 {
2443 	return scripting_ops ? scripting_ops->flush_script() : 0;
2444 }
2445 
2446 static int cleanup_scripting(void)
2447 {
2448 	pr_debug("\nperf script stopped\n");
2449 
2450 	return scripting_ops ? scripting_ops->stop_script() : 0;
2451 }
2452 
2453 static bool filter_cpu(struct perf_sample *sample)
2454 {
2455 	if (cpu_list && sample->cpu != (u32)-1)
2456 		return !test_bit(sample->cpu, cpu_bitmap);
2457 	return false;
2458 }
2459 
2460 static int process_sample_event(const struct perf_tool *tool,
2461 				union perf_event *event,
2462 				struct perf_sample *sample,
2463 				struct evsel *evsel,
2464 				struct machine *machine)
2465 {
2466 	struct perf_script *scr = container_of(tool, struct perf_script, tool);
2467 	struct addr_location al;
2468 	struct addr_location addr_al;
2469 	int ret = 0;
2470 
2471 	/* Set thread to NULL to indicate addr_al and al are not initialized */
2472 	addr_location__init(&al);
2473 	addr_location__init(&addr_al);
2474 
2475 	ret = dlfilter__filter_event_early(dlfilter, event, sample, evsel, machine, &al, &addr_al);
2476 	if (ret) {
2477 		if (ret > 0)
2478 			ret = 0;
2479 		goto out_put;
2480 	}
2481 
2482 	if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
2483 					  sample->time)) {
2484 		goto out_put;
2485 	}
2486 
2487 	if (debug_mode) {
2488 		if (sample->time < last_timestamp) {
2489 			pr_err("Samples misordered, previous: %" PRIu64
2490 				" this: %" PRIu64 "\n", last_timestamp,
2491 				sample->time);
2492 			nr_unordered++;
2493 		}
2494 		last_timestamp = sample->time;
2495 		goto out_put;
2496 	}
2497 
2498 	if (filter_cpu(sample))
2499 		goto out_put;
2500 
2501 	if (!al.thread && machine__resolve(machine, &al, sample) < 0) {
2502 		pr_err("problem processing %d event, skipping it.\n",
2503 		       event->header.type);
2504 		ret = -1;
2505 		goto out_put;
2506 	}
2507 
2508 	if (al.filtered)
2509 		goto out_put;
2510 
2511 	if (!show_event(sample, evsel, al.thread, &al, &addr_al))
2512 		goto out_put;
2513 
2514 	if (evswitch__discard(&scr->evswitch, evsel))
2515 		goto out_put;
2516 
2517 	ret = dlfilter__filter_event(dlfilter, event, sample, evsel, machine, &al, &addr_al);
2518 	if (ret) {
2519 		if (ret > 0)
2520 			ret = 0;
2521 		goto out_put;
2522 	}
2523 
2524 	if (scripting_ops) {
2525 		struct addr_location *addr_al_ptr = NULL;
2526 
2527 		if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
2528 		    sample_addr_correlates_sym(&evsel->core.attr)) {
2529 			if (!addr_al.thread)
2530 				thread__resolve(al.thread, &addr_al, sample);
2531 			addr_al_ptr = &addr_al;
2532 		}
2533 		scripting_ops->process_event(event, sample, evsel, &al, addr_al_ptr);
2534 	} else {
2535 		process_event(scr, sample, evsel, &al, &addr_al, machine);
2536 	}
2537 
2538 out_put:
2539 	addr_location__exit(&addr_al);
2540 	addr_location__exit(&al);
2541 	return ret;
2542 }
2543 
2544 // Used when scr->per_event_dump is not set
2545 static struct evsel_script es_stdout;
2546 
2547 static int process_attr(const struct perf_tool *tool, union perf_event *event,
2548 			struct evlist **pevlist)
2549 {
2550 	struct perf_script *scr = container_of(tool, struct perf_script, tool);
2551 	struct evlist *evlist;
2552 	struct evsel *evsel, *pos;
2553 	u64 sample_type;
2554 	int err;
2555 
2556 	err = perf_event__process_attr(tool, event, pevlist);
2557 	if (err)
2558 		return err;
2559 
2560 	evlist = *pevlist;
2561 	evsel = evlist__last(*pevlist);
2562 
2563 	if (!evsel->priv) {
2564 		if (scr->per_event_dump) {
2565 			evsel->priv = evsel_script__new(evsel, scr->session->data);
2566 			if (!evsel->priv)
2567 				return -ENOMEM;
2568 		} else { // Replicate what is done in perf_script__setup_per_event_dump()
2569 			es_stdout.fp = stdout;
2570 			evsel->priv = &es_stdout;
2571 		}
2572 	}
2573 
2574 	if (evsel->core.attr.type >= PERF_TYPE_MAX &&
2575 	    evsel->core.attr.type != PERF_TYPE_SYNTH)
2576 		return 0;
2577 
2578 	evlist__for_each_entry(evlist, pos) {
2579 		if (pos->core.attr.type == evsel->core.attr.type && pos != evsel)
2580 			return 0;
2581 	}
2582 
2583 	if (evsel->core.attr.sample_type) {
2584 		err = evsel__check_attr(evsel, scr->session);
2585 		if (err)
2586 			return err;
2587 	}
2588 
2589 	/*
2590 	 * Check if we need to enable callchains based
2591 	 * on events sample_type.
2592 	 */
2593 	sample_type = evlist__combined_sample_type(evlist);
2594 	callchain_param_setup(sample_type, perf_env__arch((*pevlist)->env));
2595 
2596 	/* Enable fields for callchain entries */
2597 	if (symbol_conf.use_callchain &&
2598 	    (sample_type & PERF_SAMPLE_CALLCHAIN ||
2599 	     sample_type & PERF_SAMPLE_BRANCH_STACK ||
2600 	     (sample_type & PERF_SAMPLE_REGS_USER &&
2601 	      sample_type & PERF_SAMPLE_STACK_USER))) {
2602 		int type = output_type(evsel->core.attr.type);
2603 
2604 		if (!(output[type].user_unset_fields & PERF_OUTPUT_IP))
2605 			output[type].fields |= PERF_OUTPUT_IP;
2606 		if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM))
2607 			output[type].fields |= PERF_OUTPUT_SYM;
2608 	}
2609 	set_print_ip_opts(&evsel->core.attr);
2610 	return 0;
2611 }
2612 
2613 static int print_event_with_time(const struct perf_tool *tool,
2614 				 union perf_event *event,
2615 				 struct perf_sample *sample,
2616 				 struct machine *machine,
2617 				 pid_t pid, pid_t tid, u64 timestamp)
2618 {
2619 	struct perf_script *script = container_of(tool, struct perf_script, tool);
2620 	struct perf_session *session = script->session;
2621 	struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id);
2622 	struct thread *thread = NULL;
2623 
2624 	if (evsel && !evsel->core.attr.sample_id_all) {
2625 		sample->cpu = 0;
2626 		sample->time = timestamp;
2627 		sample->pid = pid;
2628 		sample->tid = tid;
2629 	}
2630 
2631 	if (filter_cpu(sample))
2632 		return 0;
2633 
2634 	if (tid != -1)
2635 		thread = machine__findnew_thread(machine, pid, tid);
2636 
2637 	if (evsel) {
2638 		perf_sample__fprintf_start(script, sample, thread, evsel,
2639 					   event->header.type, stdout);
2640 	}
2641 
2642 	perf_event__fprintf(event, machine, stdout);
2643 
2644 	thread__put(thread);
2645 
2646 	return 0;
2647 }
2648 
2649 static int print_event(const struct perf_tool *tool, union perf_event *event,
2650 		       struct perf_sample *sample, struct machine *machine,
2651 		       pid_t pid, pid_t tid)
2652 {
2653 	return print_event_with_time(tool, event, sample, machine, pid, tid, 0);
2654 }
2655 
2656 static int process_comm_event(const struct perf_tool *tool,
2657 			      union perf_event *event,
2658 			      struct perf_sample *sample,
2659 			      struct machine *machine)
2660 {
2661 	if (perf_event__process_comm(tool, event, sample, machine) < 0)
2662 		return -1;
2663 
2664 	return print_event(tool, event, sample, machine, event->comm.pid,
2665 			   event->comm.tid);
2666 }
2667 
2668 static int process_namespaces_event(const struct perf_tool *tool,
2669 				    union perf_event *event,
2670 				    struct perf_sample *sample,
2671 				    struct machine *machine)
2672 {
2673 	if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
2674 		return -1;
2675 
2676 	return print_event(tool, event, sample, machine, event->namespaces.pid,
2677 			   event->namespaces.tid);
2678 }
2679 
2680 static int process_cgroup_event(const struct perf_tool *tool,
2681 				union perf_event *event,
2682 				struct perf_sample *sample,
2683 				struct machine *machine)
2684 {
2685 	if (perf_event__process_cgroup(tool, event, sample, machine) < 0)
2686 		return -1;
2687 
2688 	return print_event(tool, event, sample, machine, sample->pid,
2689 			    sample->tid);
2690 }
2691 
2692 static int process_fork_event(const struct perf_tool *tool,
2693 			      union perf_event *event,
2694 			      struct perf_sample *sample,
2695 			      struct machine *machine)
2696 {
2697 	if (perf_event__process_fork(tool, event, sample, machine) < 0)
2698 		return -1;
2699 
2700 	return print_event_with_time(tool, event, sample, machine,
2701 				     event->fork.pid, event->fork.tid,
2702 				     event->fork.time);
2703 }
2704 static int process_exit_event(const struct perf_tool *tool,
2705 			      union perf_event *event,
2706 			      struct perf_sample *sample,
2707 			      struct machine *machine)
2708 {
2709 	/* Print before 'exit' deletes anything */
2710 	if (print_event_with_time(tool, event, sample, machine, event->fork.pid,
2711 				  event->fork.tid, event->fork.time))
2712 		return -1;
2713 
2714 	return perf_event__process_exit(tool, event, sample, machine);
2715 }
2716 
2717 static int process_mmap_event(const struct perf_tool *tool,
2718 			      union perf_event *event,
2719 			      struct perf_sample *sample,
2720 			      struct machine *machine)
2721 {
2722 	if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2723 		return -1;
2724 
2725 	return print_event(tool, event, sample, machine, event->mmap.pid,
2726 			   event->mmap.tid);
2727 }
2728 
2729 static int process_mmap2_event(const struct perf_tool *tool,
2730 			      union perf_event *event,
2731 			      struct perf_sample *sample,
2732 			      struct machine *machine)
2733 {
2734 	if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2735 		return -1;
2736 
2737 	return print_event(tool, event, sample, machine, event->mmap2.pid,
2738 			   event->mmap2.tid);
2739 }
2740 
2741 static int process_switch_event(const struct perf_tool *tool,
2742 				union perf_event *event,
2743 				struct perf_sample *sample,
2744 				struct machine *machine)
2745 {
2746 	struct perf_script *script = container_of(tool, struct perf_script, tool);
2747 
2748 	if (perf_event__process_switch(tool, event, sample, machine) < 0)
2749 		return -1;
2750 
2751 	if (scripting_ops && scripting_ops->process_switch && !filter_cpu(sample))
2752 		scripting_ops->process_switch(event, sample, machine);
2753 
2754 	if (!script->show_switch_events)
2755 		return 0;
2756 
2757 	return print_event(tool, event, sample, machine, sample->pid,
2758 			   sample->tid);
2759 }
2760 
2761 static int process_auxtrace_error(struct perf_session *session,
2762 				  union perf_event *event)
2763 {
2764 	if (scripting_ops && scripting_ops->process_auxtrace_error) {
2765 		scripting_ops->process_auxtrace_error(session, event);
2766 		return 0;
2767 	}
2768 
2769 	return perf_event__process_auxtrace_error(session, event);
2770 }
2771 
2772 static int
2773 process_lost_event(const struct perf_tool *tool,
2774 		   union perf_event *event,
2775 		   struct perf_sample *sample,
2776 		   struct machine *machine)
2777 {
2778 	return print_event(tool, event, sample, machine, sample->pid,
2779 			   sample->tid);
2780 }
2781 
2782 static int
2783 process_throttle_event(const struct perf_tool *tool __maybe_unused,
2784 		       union perf_event *event,
2785 		       struct perf_sample *sample,
2786 		       struct machine *machine)
2787 {
2788 	if (scripting_ops && scripting_ops->process_throttle)
2789 		scripting_ops->process_throttle(event, sample, machine);
2790 	return 0;
2791 }
2792 
2793 static int
2794 process_finished_round_event(const struct perf_tool *tool __maybe_unused,
2795 			     union perf_event *event,
2796 			     struct ordered_events *oe __maybe_unused)
2797 
2798 {
2799 	perf_event__fprintf(event, NULL, stdout);
2800 	return 0;
2801 }
2802 
2803 static int
2804 process_bpf_events(const struct perf_tool *tool __maybe_unused,
2805 		   union perf_event *event,
2806 		   struct perf_sample *sample,
2807 		   struct machine *machine)
2808 {
2809 	if (machine__process_ksymbol(machine, event, sample) < 0)
2810 		return -1;
2811 
2812 	return print_event(tool, event, sample, machine, sample->pid,
2813 			   sample->tid);
2814 }
2815 
2816 static int process_text_poke_events(const struct perf_tool *tool,
2817 				    union perf_event *event,
2818 				    struct perf_sample *sample,
2819 				    struct machine *machine)
2820 {
2821 	if (perf_event__process_text_poke(tool, event, sample, machine) < 0)
2822 		return -1;
2823 
2824 	return print_event(tool, event, sample, machine, sample->pid,
2825 			   sample->tid);
2826 }
2827 
2828 static void sig_handler(int sig __maybe_unused)
2829 {
2830 	session_done = 1;
2831 }
2832 
2833 static void perf_script__fclose_per_event_dump(struct perf_script *script)
2834 {
2835 	struct evlist *evlist = script->session->evlist;
2836 	struct evsel *evsel;
2837 
2838 	evlist__for_each_entry(evlist, evsel) {
2839 		if (!evsel->priv)
2840 			break;
2841 		evsel_script__delete(evsel->priv);
2842 		evsel->priv = NULL;
2843 	}
2844 }
2845 
2846 static int perf_script__fopen_per_event_dump(struct perf_script *script)
2847 {
2848 	struct evsel *evsel;
2849 
2850 	evlist__for_each_entry(script->session->evlist, evsel) {
2851 		/*
2852 		 * Already setup? I.e. we may be called twice in cases like
2853 		 * Intel PT, one for the intel_pt// and dummy events, then
2854 		 * for the evsels synthesized from the auxtrace info.
2855 		 *
2856 		 * Ses perf_script__process_auxtrace_info.
2857 		 */
2858 		if (evsel->priv != NULL)
2859 			continue;
2860 
2861 		evsel->priv = evsel_script__new(evsel, script->session->data);
2862 		if (evsel->priv == NULL)
2863 			goto out_err_fclose;
2864 	}
2865 
2866 	return 0;
2867 
2868 out_err_fclose:
2869 	perf_script__fclose_per_event_dump(script);
2870 	return -1;
2871 }
2872 
2873 static int perf_script__setup_per_event_dump(struct perf_script *script)
2874 {
2875 	struct evsel *evsel;
2876 
2877 	if (script->per_event_dump)
2878 		return perf_script__fopen_per_event_dump(script);
2879 
2880 	es_stdout.fp = stdout;
2881 
2882 	evlist__for_each_entry(script->session->evlist, evsel)
2883 		evsel->priv = &es_stdout;
2884 
2885 	return 0;
2886 }
2887 
2888 static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2889 {
2890 	struct evsel *evsel;
2891 
2892 	evlist__for_each_entry(script->session->evlist, evsel) {
2893 		struct evsel_script *es = evsel->priv;
2894 
2895 		evsel_script__fprintf(es, stdout);
2896 		evsel_script__delete(es);
2897 		evsel->priv = NULL;
2898 	}
2899 }
2900 
2901 static void perf_script__exit(struct perf_script *script)
2902 {
2903 	perf_thread_map__put(script->threads);
2904 	perf_cpu_map__put(script->cpus);
2905 }
2906 
2907 static int __cmd_script(struct perf_script *script)
2908 {
2909 	int ret;
2910 
2911 	signal(SIGINT, sig_handler);
2912 
2913 	/* override event processing functions */
2914 	if (script->show_task_events) {
2915 		script->tool.comm = process_comm_event;
2916 		script->tool.fork = process_fork_event;
2917 		script->tool.exit = process_exit_event;
2918 	}
2919 	if (script->show_mmap_events) {
2920 		script->tool.mmap = process_mmap_event;
2921 		script->tool.mmap2 = process_mmap2_event;
2922 	}
2923 	if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch))
2924 		script->tool.context_switch = process_switch_event;
2925 	if (scripting_ops && scripting_ops->process_auxtrace_error)
2926 		script->tool.auxtrace_error = process_auxtrace_error;
2927 	if (script->show_namespace_events)
2928 		script->tool.namespaces = process_namespaces_event;
2929 	if (script->show_cgroup_events)
2930 		script->tool.cgroup = process_cgroup_event;
2931 	if (script->show_lost_events)
2932 		script->tool.lost = process_lost_event;
2933 	if (script->show_round_events) {
2934 		script->tool.ordered_events = false;
2935 		script->tool.finished_round = process_finished_round_event;
2936 	}
2937 	if (script->show_bpf_events) {
2938 		script->tool.ksymbol = process_bpf_events;
2939 		script->tool.bpf     = process_bpf_events;
2940 	}
2941 	if (script->show_text_poke_events) {
2942 		script->tool.ksymbol   = process_bpf_events;
2943 		script->tool.text_poke = process_text_poke_events;
2944 	}
2945 
2946 	if (perf_script__setup_per_event_dump(script)) {
2947 		pr_err("Couldn't create the per event dump files\n");
2948 		return -1;
2949 	}
2950 
2951 	ret = perf_session__process_events(script->session);
2952 
2953 	if (script->per_event_dump)
2954 		perf_script__exit_per_event_dump_stats(script);
2955 
2956 	if (debug_mode)
2957 		pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2958 
2959 	return ret;
2960 }
2961 
2962 struct script_spec {
2963 	struct list_head	node;
2964 	struct scripting_ops	*ops;
2965 	char			spec[];
2966 };
2967 
2968 static LIST_HEAD(script_specs);
2969 
2970 static struct script_spec *script_spec__new(const char *spec,
2971 					    struct scripting_ops *ops)
2972 {
2973 	struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2974 
2975 	if (s != NULL) {
2976 		strcpy(s->spec, spec);
2977 		s->ops = ops;
2978 	}
2979 
2980 	return s;
2981 }
2982 
2983 static void script_spec__add(struct script_spec *s)
2984 {
2985 	list_add_tail(&s->node, &script_specs);
2986 }
2987 
2988 static struct script_spec *script_spec__find(const char *spec)
2989 {
2990 	struct script_spec *s;
2991 
2992 	list_for_each_entry(s, &script_specs, node)
2993 		if (strcasecmp(s->spec, spec) == 0)
2994 			return s;
2995 	return NULL;
2996 }
2997 
2998 int script_spec_register(const char *spec, struct scripting_ops *ops)
2999 {
3000 	struct script_spec *s;
3001 
3002 	s = script_spec__find(spec);
3003 	if (s)
3004 		return -1;
3005 
3006 	s = script_spec__new(spec, ops);
3007 	if (!s)
3008 		return -1;
3009 	else
3010 		script_spec__add(s);
3011 
3012 	return 0;
3013 }
3014 
3015 static struct scripting_ops *script_spec__lookup(const char *spec)
3016 {
3017 	struct script_spec *s = script_spec__find(spec);
3018 	if (!s)
3019 		return NULL;
3020 
3021 	return s->ops;
3022 }
3023 
3024 static void list_available_languages(void)
3025 {
3026 	struct script_spec *s;
3027 
3028 	fprintf(stderr, "\n");
3029 	fprintf(stderr, "Scripting language extensions (used in "
3030 		"perf script -s [spec:]script.[spec]):\n\n");
3031 
3032 	list_for_each_entry(s, &script_specs, node)
3033 		fprintf(stderr, "  %-42s [%s]\n", s->spec, s->ops->name);
3034 
3035 	fprintf(stderr, "\n");
3036 }
3037 
3038 /* Find script file relative to current directory or exec path */
3039 static char *find_script(const char *script)
3040 {
3041 	char path[PATH_MAX];
3042 
3043 	if (!scripting_ops) {
3044 		const char *ext = strrchr(script, '.');
3045 
3046 		if (!ext)
3047 			return NULL;
3048 
3049 		scripting_ops = script_spec__lookup(++ext);
3050 		if (!scripting_ops)
3051 			return NULL;
3052 	}
3053 
3054 	if (access(script, R_OK)) {
3055 		char *exec_path = get_argv_exec_path();
3056 
3057 		if (!exec_path)
3058 			return NULL;
3059 		snprintf(path, sizeof(path), "%s/scripts/%s/%s",
3060 			 exec_path, scripting_ops->dirname, script);
3061 		free(exec_path);
3062 		script = path;
3063 		if (access(script, R_OK))
3064 			return NULL;
3065 	}
3066 	return strdup(script);
3067 }
3068 
3069 static int parse_scriptname(const struct option *opt __maybe_unused,
3070 			    const char *str, int unset __maybe_unused)
3071 {
3072 	char spec[PATH_MAX];
3073 	const char *script, *ext;
3074 	int len;
3075 
3076 	if (strcmp(str, "lang") == 0) {
3077 		list_available_languages();
3078 		exit(0);
3079 	}
3080 
3081 	script = strchr(str, ':');
3082 	if (script) {
3083 		len = script - str;
3084 		if (len >= PATH_MAX) {
3085 			fprintf(stderr, "invalid language specifier");
3086 			return -1;
3087 		}
3088 		strncpy(spec, str, len);
3089 		spec[len] = '\0';
3090 		scripting_ops = script_spec__lookup(spec);
3091 		if (!scripting_ops) {
3092 			fprintf(stderr, "invalid language specifier");
3093 			return -1;
3094 		}
3095 		script++;
3096 	} else {
3097 		script = str;
3098 		ext = strrchr(script, '.');
3099 		if (!ext) {
3100 			fprintf(stderr, "invalid script extension");
3101 			return -1;
3102 		}
3103 		scripting_ops = script_spec__lookup(++ext);
3104 		if (!scripting_ops) {
3105 			fprintf(stderr, "invalid script extension");
3106 			return -1;
3107 		}
3108 	}
3109 
3110 	script_name = find_script(script);
3111 	if (!script_name)
3112 		script_name = strdup(script);
3113 
3114 	return 0;
3115 }
3116 
3117 static int parse_output_fields(const struct option *opt __maybe_unused,
3118 			    const char *arg, int unset __maybe_unused)
3119 {
3120 	char *tok, *strtok_saveptr = NULL;
3121 	int i, imax = ARRAY_SIZE(all_output_options);
3122 	int j;
3123 	int rc = 0;
3124 	char *str = strdup(arg);
3125 	int type = -1;
3126 	enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
3127 
3128 	if (!str)
3129 		return -ENOMEM;
3130 
3131 	/* first word can state for which event type the user is specifying
3132 	 * the fields. If no type exists, the specified fields apply to all
3133 	 * event types found in the file minus the invalid fields for a type.
3134 	 */
3135 	tok = strchr(str, ':');
3136 	if (tok) {
3137 		*tok = '\0';
3138 		tok++;
3139 		if (!strcmp(str, "hw"))
3140 			type = PERF_TYPE_HARDWARE;
3141 		else if (!strcmp(str, "sw"))
3142 			type = PERF_TYPE_SOFTWARE;
3143 		else if (!strcmp(str, "trace"))
3144 			type = PERF_TYPE_TRACEPOINT;
3145 		else if (!strcmp(str, "raw"))
3146 			type = PERF_TYPE_RAW;
3147 		else if (!strcmp(str, "break"))
3148 			type = PERF_TYPE_BREAKPOINT;
3149 		else if (!strcmp(str, "synth"))
3150 			type = OUTPUT_TYPE_SYNTH;
3151 		else {
3152 			fprintf(stderr, "Invalid event type in field string.\n");
3153 			rc = -EINVAL;
3154 			goto out;
3155 		}
3156 
3157 		if (output[type].user_set)
3158 			pr_warning("Overriding previous field request for %s events.\n",
3159 				   event_type(type));
3160 
3161 		/* Don't override defaults for +- */
3162 		if (strchr(tok, '+') || strchr(tok, '-'))
3163 			goto parse;
3164 
3165 		output[type].fields = 0;
3166 		output[type].user_set = true;
3167 		output[type].wildcard_set = false;
3168 
3169 	} else {
3170 		tok = str;
3171 		if (strlen(str) == 0) {
3172 			fprintf(stderr,
3173 				"Cannot set fields to 'none' for all event types.\n");
3174 			rc = -EINVAL;
3175 			goto out;
3176 		}
3177 
3178 		/* Don't override defaults for +- */
3179 		if (strchr(str, '+') || strchr(str, '-'))
3180 			goto parse;
3181 
3182 		if (output_set_by_user())
3183 			pr_warning("Overriding previous field request for all events.\n");
3184 
3185 		for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
3186 			output[j].fields = 0;
3187 			output[j].user_set = true;
3188 			output[j].wildcard_set = true;
3189 		}
3190 	}
3191 
3192 parse:
3193 	for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
3194 		if (*tok == '+') {
3195 			if (change == SET)
3196 				goto out_badmix;
3197 			change = ADD;
3198 			tok++;
3199 		} else if (*tok == '-') {
3200 			if (change == SET)
3201 				goto out_badmix;
3202 			change = REMOVE;
3203 			tok++;
3204 		} else {
3205 			if (change != SET && change != DEFAULT)
3206 				goto out_badmix;
3207 			change = SET;
3208 		}
3209 
3210 		for (i = 0; i < imax; ++i) {
3211 			if (strcmp(tok, all_output_options[i].str) == 0)
3212 				break;
3213 		}
3214 		if (i == imax && strcmp(tok, "flags") == 0) {
3215 			print_flags = change != REMOVE;
3216 			continue;
3217 		}
3218 		if (i == imax) {
3219 			fprintf(stderr, "Invalid field requested.\n");
3220 			rc = -EINVAL;
3221 			goto out;
3222 		}
3223 #ifndef HAVE_LIBCAPSTONE_SUPPORT
3224 		if (change != REMOVE && strcmp(tok, "disasm") == 0) {
3225 			fprintf(stderr, "Field \"disasm\" requires perf to be built with libcapstone support.\n");
3226 			rc = -EINVAL;
3227 			goto out;
3228 		}
3229 #endif
3230 
3231 		if (type == -1) {
3232 			/* add user option to all events types for
3233 			 * which it is valid
3234 			 */
3235 			for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
3236 				if (output[j].invalid_fields & all_output_options[i].field) {
3237 					pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
3238 						   all_output_options[i].str, event_type(j));
3239 				} else {
3240 					if (change == REMOVE) {
3241 						output[j].fields &= ~all_output_options[i].field;
3242 						output[j].user_set_fields &= ~all_output_options[i].field;
3243 						output[j].user_unset_fields |= all_output_options[i].field;
3244 					} else {
3245 						output[j].fields |= all_output_options[i].field;
3246 						output[j].user_set_fields |= all_output_options[i].field;
3247 						output[j].user_unset_fields &= ~all_output_options[i].field;
3248 					}
3249 					output[j].user_set = true;
3250 					output[j].wildcard_set = true;
3251 				}
3252 			}
3253 		} else {
3254 			if (output[type].invalid_fields & all_output_options[i].field) {
3255 				fprintf(stderr, "\'%s\' not valid for %s events.\n",
3256 					 all_output_options[i].str, event_type(type));
3257 
3258 				rc = -EINVAL;
3259 				goto out;
3260 			}
3261 			if (change == REMOVE)
3262 				output[type].fields &= ~all_output_options[i].field;
3263 			else
3264 				output[type].fields |= all_output_options[i].field;
3265 			output[type].user_set = true;
3266 			output[type].wildcard_set = true;
3267 		}
3268 	}
3269 
3270 	if (type >= 0) {
3271 		if (output[type].fields == 0) {
3272 			pr_debug("No fields requested for %s type. "
3273 				 "Events will not be displayed.\n", event_type(type));
3274 		}
3275 	}
3276 	goto out;
3277 
3278 out_badmix:
3279 	fprintf(stderr, "Cannot mix +-field with overridden fields\n");
3280 	rc = -EINVAL;
3281 out:
3282 	free(str);
3283 	return rc;
3284 }
3285 
3286 #define for_each_lang(scripts_path, scripts_dir, lang_dirent)		\
3287 	while ((lang_dirent = readdir(scripts_dir)) != NULL)		\
3288 		if ((lang_dirent->d_type == DT_DIR ||			\
3289 		     (lang_dirent->d_type == DT_UNKNOWN &&		\
3290 		      is_directory(scripts_path, lang_dirent))) &&	\
3291 		    (strcmp(lang_dirent->d_name, ".")) &&		\
3292 		    (strcmp(lang_dirent->d_name, "..")))
3293 
3294 #define for_each_script(lang_path, lang_dir, script_dirent)		\
3295 	while ((script_dirent = readdir(lang_dir)) != NULL)		\
3296 		if (script_dirent->d_type != DT_DIR &&			\
3297 		    (script_dirent->d_type != DT_UNKNOWN ||		\
3298 		     !is_directory(lang_path, script_dirent)))
3299 
3300 
3301 #define RECORD_SUFFIX			"-record"
3302 #define REPORT_SUFFIX			"-report"
3303 
3304 struct script_desc {
3305 	struct list_head	node;
3306 	char			*name;
3307 	char			*half_liner;
3308 	char			*args;
3309 };
3310 
3311 static LIST_HEAD(script_descs);
3312 
3313 static struct script_desc *script_desc__new(const char *name)
3314 {
3315 	struct script_desc *s = zalloc(sizeof(*s));
3316 
3317 	if (s != NULL && name)
3318 		s->name = strdup(name);
3319 
3320 	return s;
3321 }
3322 
3323 static void script_desc__delete(struct script_desc *s)
3324 {
3325 	zfree(&s->name);
3326 	zfree(&s->half_liner);
3327 	zfree(&s->args);
3328 	free(s);
3329 }
3330 
3331 static void script_desc__add(struct script_desc *s)
3332 {
3333 	list_add_tail(&s->node, &script_descs);
3334 }
3335 
3336 static struct script_desc *script_desc__find(const char *name)
3337 {
3338 	struct script_desc *s;
3339 
3340 	list_for_each_entry(s, &script_descs, node)
3341 		if (strcasecmp(s->name, name) == 0)
3342 			return s;
3343 	return NULL;
3344 }
3345 
3346 static struct script_desc *script_desc__findnew(const char *name)
3347 {
3348 	struct script_desc *s = script_desc__find(name);
3349 
3350 	if (s)
3351 		return s;
3352 
3353 	s = script_desc__new(name);
3354 	if (!s)
3355 		return NULL;
3356 
3357 	script_desc__add(s);
3358 
3359 	return s;
3360 }
3361 
3362 static const char *ends_with(const char *str, const char *suffix)
3363 {
3364 	size_t suffix_len = strlen(suffix);
3365 	const char *p = str;
3366 
3367 	if (strlen(str) > suffix_len) {
3368 		p = str + strlen(str) - suffix_len;
3369 		if (!strncmp(p, suffix, suffix_len))
3370 			return p;
3371 	}
3372 
3373 	return NULL;
3374 }
3375 
3376 static int read_script_info(struct script_desc *desc, const char *filename)
3377 {
3378 	char line[BUFSIZ], *p;
3379 	FILE *fp;
3380 
3381 	fp = fopen(filename, "r");
3382 	if (!fp)
3383 		return -1;
3384 
3385 	while (fgets(line, sizeof(line), fp)) {
3386 		p = skip_spaces(line);
3387 		if (strlen(p) == 0)
3388 			continue;
3389 		if (*p != '#')
3390 			continue;
3391 		p++;
3392 		if (strlen(p) && *p == '!')
3393 			continue;
3394 
3395 		p = skip_spaces(p);
3396 		if (strlen(p) && p[strlen(p) - 1] == '\n')
3397 			p[strlen(p) - 1] = '\0';
3398 
3399 		if (!strncmp(p, "description:", strlen("description:"))) {
3400 			p += strlen("description:");
3401 			desc->half_liner = strdup(skip_spaces(p));
3402 			continue;
3403 		}
3404 
3405 		if (!strncmp(p, "args:", strlen("args:"))) {
3406 			p += strlen("args:");
3407 			desc->args = strdup(skip_spaces(p));
3408 			continue;
3409 		}
3410 	}
3411 
3412 	fclose(fp);
3413 
3414 	return 0;
3415 }
3416 
3417 static char *get_script_root(struct dirent *script_dirent, const char *suffix)
3418 {
3419 	char *script_root, *str;
3420 
3421 	script_root = strdup(script_dirent->d_name);
3422 	if (!script_root)
3423 		return NULL;
3424 
3425 	str = (char *)ends_with(script_root, suffix);
3426 	if (!str) {
3427 		free(script_root);
3428 		return NULL;
3429 	}
3430 
3431 	*str = '\0';
3432 	return script_root;
3433 }
3434 
3435 static int list_available_scripts(const struct option *opt __maybe_unused,
3436 				  const char *s __maybe_unused,
3437 				  int unset __maybe_unused)
3438 {
3439 	struct dirent *script_dirent, *lang_dirent;
3440 	char *buf, *scripts_path, *script_path, *lang_path, *first_half;
3441 	DIR *scripts_dir, *lang_dir;
3442 	struct script_desc *desc;
3443 	char *script_root;
3444 
3445 	buf = malloc(3 * MAXPATHLEN + BUFSIZ);
3446 	if (!buf) {
3447 		pr_err("malloc failed\n");
3448 		exit(-1);
3449 	}
3450 	scripts_path = buf;
3451 	script_path = buf + MAXPATHLEN;
3452 	lang_path = buf + 2 * MAXPATHLEN;
3453 	first_half = buf + 3 * MAXPATHLEN;
3454 
3455 	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3456 
3457 	scripts_dir = opendir(scripts_path);
3458 	if (!scripts_dir) {
3459 		fprintf(stdout,
3460 			"open(%s) failed.\n"
3461 			"Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
3462 			scripts_path);
3463 		free(buf);
3464 		exit(-1);
3465 	}
3466 
3467 	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3468 		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3469 			  lang_dirent->d_name);
3470 		lang_dir = opendir(lang_path);
3471 		if (!lang_dir)
3472 			continue;
3473 
3474 		for_each_script(lang_path, lang_dir, script_dirent) {
3475 			script_root = get_script_root(script_dirent, REPORT_SUFFIX);
3476 			if (script_root) {
3477 				desc = script_desc__findnew(script_root);
3478 				scnprintf(script_path, MAXPATHLEN, "%s/%s",
3479 					  lang_path, script_dirent->d_name);
3480 				read_script_info(desc, script_path);
3481 				free(script_root);
3482 			}
3483 		}
3484 	}
3485 
3486 	fprintf(stdout, "List of available trace scripts:\n");
3487 	list_for_each_entry(desc, &script_descs, node) {
3488 		sprintf(first_half, "%s %s", desc->name,
3489 			desc->args ? desc->args : "");
3490 		fprintf(stdout, "  %-36s %s\n", first_half,
3491 			desc->half_liner ? desc->half_liner : "");
3492 	}
3493 
3494 	free(buf);
3495 	exit(0);
3496 }
3497 
3498 static int add_dlarg(const struct option *opt __maybe_unused,
3499 		     const char *s, int unset __maybe_unused)
3500 {
3501 	char *arg = strdup(s);
3502 	void *a;
3503 
3504 	if (!arg)
3505 		return -1;
3506 
3507 	a = realloc(dlargv, sizeof(dlargv[0]) * (dlargc + 1));
3508 	if (!a) {
3509 		free(arg);
3510 		return -1;
3511 	}
3512 
3513 	dlargv = a;
3514 	dlargv[dlargc++] = arg;
3515 
3516 	return 0;
3517 }
3518 
3519 static void free_dlarg(void)
3520 {
3521 	while (dlargc--)
3522 		free(dlargv[dlargc]);
3523 	free(dlargv);
3524 }
3525 
3526 /*
3527  * Some scripts specify the required events in their "xxx-record" file,
3528  * this function will check if the events in perf.data match those
3529  * mentioned in the "xxx-record".
3530  *
3531  * Fixme: All existing "xxx-record" are all in good formats "-e event ",
3532  * which is covered well now. And new parsing code should be added to
3533  * cover the future complex formats like event groups etc.
3534  */
3535 static int check_ev_match(char *dir_name, char *scriptname,
3536 			struct perf_session *session)
3537 {
3538 	char filename[MAXPATHLEN], evname[128];
3539 	char line[BUFSIZ], *p;
3540 	struct evsel *pos;
3541 	int match, len;
3542 	FILE *fp;
3543 
3544 	scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
3545 
3546 	fp = fopen(filename, "r");
3547 	if (!fp)
3548 		return -1;
3549 
3550 	while (fgets(line, sizeof(line), fp)) {
3551 		p = skip_spaces(line);
3552 		if (*p == '#')
3553 			continue;
3554 
3555 		while (strlen(p)) {
3556 			p = strstr(p, "-e");
3557 			if (!p)
3558 				break;
3559 
3560 			p += 2;
3561 			p = skip_spaces(p);
3562 			len = strcspn(p, " \t");
3563 			if (!len)
3564 				break;
3565 
3566 			snprintf(evname, len + 1, "%s", p);
3567 
3568 			match = 0;
3569 			evlist__for_each_entry(session->evlist, pos) {
3570 				if (evsel__name_is(pos, evname)) {
3571 					match = 1;
3572 					break;
3573 				}
3574 			}
3575 
3576 			if (!match) {
3577 				fclose(fp);
3578 				return -1;
3579 			}
3580 		}
3581 	}
3582 
3583 	fclose(fp);
3584 	return 0;
3585 }
3586 
3587 /*
3588  * Return -1 if none is found, otherwise the actual scripts number.
3589  *
3590  * Currently the only user of this function is the script browser, which
3591  * will list all statically runnable scripts, select one, execute it and
3592  * show the output in a perf browser.
3593  */
3594 int find_scripts(char **scripts_array, char **scripts_path_array, int num,
3595 		 int pathlen)
3596 {
3597 	struct dirent *script_dirent, *lang_dirent;
3598 	char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
3599 	DIR *scripts_dir, *lang_dir;
3600 	struct perf_session *session;
3601 	struct perf_data data = {
3602 		.path = input_name,
3603 		.mode = PERF_DATA_MODE_READ,
3604 	};
3605 	char *temp;
3606 	int i = 0;
3607 
3608 	session = perf_session__new(&data, NULL);
3609 	if (IS_ERR(session))
3610 		return PTR_ERR(session);
3611 
3612 	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3613 
3614 	scripts_dir = opendir(scripts_path);
3615 	if (!scripts_dir) {
3616 		perf_session__delete(session);
3617 		return -1;
3618 	}
3619 
3620 	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3621 		scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
3622 			  lang_dirent->d_name);
3623 #ifndef HAVE_LIBPERL_SUPPORT
3624 		if (strstr(lang_path, "perl"))
3625 			continue;
3626 #endif
3627 #ifndef HAVE_LIBPYTHON_SUPPORT
3628 		if (strstr(lang_path, "python"))
3629 			continue;
3630 #endif
3631 
3632 		lang_dir = opendir(lang_path);
3633 		if (!lang_dir)
3634 			continue;
3635 
3636 		for_each_script(lang_path, lang_dir, script_dirent) {
3637 			/* Skip those real time scripts: xxxtop.p[yl] */
3638 			if (strstr(script_dirent->d_name, "top."))
3639 				continue;
3640 			if (i >= num)
3641 				break;
3642 			snprintf(scripts_path_array[i], pathlen, "%s/%s",
3643 				lang_path,
3644 				script_dirent->d_name);
3645 			temp = strchr(script_dirent->d_name, '.');
3646 			snprintf(scripts_array[i],
3647 				(temp - script_dirent->d_name) + 1,
3648 				"%s", script_dirent->d_name);
3649 
3650 			if (check_ev_match(lang_path,
3651 					scripts_array[i], session))
3652 				continue;
3653 
3654 			i++;
3655 		}
3656 		closedir(lang_dir);
3657 	}
3658 
3659 	closedir(scripts_dir);
3660 	perf_session__delete(session);
3661 	return i;
3662 }
3663 
3664 static char *get_script_path(const char *script_root, const char *suffix)
3665 {
3666 	struct dirent *script_dirent, *lang_dirent;
3667 	char scripts_path[MAXPATHLEN];
3668 	char script_path[MAXPATHLEN];
3669 	DIR *scripts_dir, *lang_dir;
3670 	char lang_path[MAXPATHLEN];
3671 	char *__script_root;
3672 
3673 	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3674 
3675 	scripts_dir = opendir(scripts_path);
3676 	if (!scripts_dir)
3677 		return NULL;
3678 
3679 	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3680 		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3681 			  lang_dirent->d_name);
3682 		lang_dir = opendir(lang_path);
3683 		if (!lang_dir)
3684 			continue;
3685 
3686 		for_each_script(lang_path, lang_dir, script_dirent) {
3687 			__script_root = get_script_root(script_dirent, suffix);
3688 			if (__script_root && !strcmp(script_root, __script_root)) {
3689 				free(__script_root);
3690 				closedir(scripts_dir);
3691 				scnprintf(script_path, MAXPATHLEN, "%s/%s",
3692 					  lang_path, script_dirent->d_name);
3693 				closedir(lang_dir);
3694 				return strdup(script_path);
3695 			}
3696 			free(__script_root);
3697 		}
3698 		closedir(lang_dir);
3699 	}
3700 	closedir(scripts_dir);
3701 
3702 	return NULL;
3703 }
3704 
3705 static bool is_top_script(const char *script_path)
3706 {
3707 	return ends_with(script_path, "top") != NULL;
3708 }
3709 
3710 static int has_required_arg(char *script_path)
3711 {
3712 	struct script_desc *desc;
3713 	int n_args = 0;
3714 	char *p;
3715 
3716 	desc = script_desc__new(NULL);
3717 
3718 	if (read_script_info(desc, script_path))
3719 		goto out;
3720 
3721 	if (!desc->args)
3722 		goto out;
3723 
3724 	for (p = desc->args; *p; p++)
3725 		if (*p == '<')
3726 			n_args++;
3727 out:
3728 	script_desc__delete(desc);
3729 
3730 	return n_args;
3731 }
3732 
3733 static int have_cmd(int argc, const char **argv)
3734 {
3735 	char **__argv = malloc(sizeof(const char *) * argc);
3736 
3737 	if (!__argv) {
3738 		pr_err("malloc failed\n");
3739 		return -1;
3740 	}
3741 
3742 	memcpy(__argv, argv, sizeof(const char *) * argc);
3743 	argc = parse_options(argc, (const char **)__argv, record_options,
3744 			     NULL, PARSE_OPT_STOP_AT_NON_OPTION);
3745 	free(__argv);
3746 
3747 	system_wide = (argc == 0);
3748 
3749 	return 0;
3750 }
3751 
3752 static void script__setup_sample_type(struct perf_script *script)
3753 {
3754 	struct perf_session *session = script->session;
3755 	u64 sample_type = evlist__combined_sample_type(session->evlist);
3756 
3757 	callchain_param_setup(sample_type, perf_env__arch(session->machines.host.env));
3758 
3759 	if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) {
3760 		pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
3761 			   "Please apply --call-graph lbr when recording.\n");
3762 		script->stitch_lbr = false;
3763 	}
3764 }
3765 
3766 static int process_stat_round_event(struct perf_session *session,
3767 				    union perf_event *event)
3768 {
3769 	struct perf_record_stat_round *round = &event->stat_round;
3770 	struct evsel *counter;
3771 
3772 	evlist__for_each_entry(session->evlist, counter) {
3773 		perf_stat_process_counter(&stat_config, counter);
3774 		process_stat(counter, round->time);
3775 	}
3776 
3777 	process_stat_interval(round->time);
3778 	return 0;
3779 }
3780 
3781 static int process_stat_config_event(struct perf_session *session __maybe_unused,
3782 				     union perf_event *event)
3783 {
3784 	perf_event__read_stat_config(&stat_config, &event->stat_config);
3785 
3786 	/*
3787 	 * Aggregation modes are not used since post-processing scripts are
3788 	 * supposed to take care of such requirements
3789 	 */
3790 	stat_config.aggr_mode = AGGR_NONE;
3791 
3792 	return 0;
3793 }
3794 
3795 static int set_maps(struct perf_script *script)
3796 {
3797 	struct evlist *evlist = script->session->evlist;
3798 
3799 	if (!script->cpus || !script->threads)
3800 		return 0;
3801 
3802 	if (WARN_ONCE(script->allocated, "stats double allocation\n"))
3803 		return -EINVAL;
3804 
3805 	perf_evlist__set_maps(&evlist->core, script->cpus, script->threads);
3806 
3807 	if (evlist__alloc_stats(&stat_config, evlist, /*alloc_raw=*/true))
3808 		return -ENOMEM;
3809 
3810 	script->allocated = true;
3811 	return 0;
3812 }
3813 
3814 static
3815 int process_thread_map_event(struct perf_session *session,
3816 			     union perf_event *event)
3817 {
3818 	const struct perf_tool *tool = session->tool;
3819 	struct perf_script *script = container_of(tool, struct perf_script, tool);
3820 
3821 	if (dump_trace)
3822 		perf_event__fprintf_thread_map(event, stdout);
3823 
3824 	if (script->threads) {
3825 		pr_warning("Extra thread map event, ignoring.\n");
3826 		return 0;
3827 	}
3828 
3829 	script->threads = thread_map__new_event(&event->thread_map);
3830 	if (!script->threads)
3831 		return -ENOMEM;
3832 
3833 	return set_maps(script);
3834 }
3835 
3836 static
3837 int process_cpu_map_event(struct perf_session *session,
3838 			  union perf_event *event)
3839 {
3840 	const struct perf_tool *tool = session->tool;
3841 	struct perf_script *script = container_of(tool, struct perf_script, tool);
3842 
3843 	if (dump_trace)
3844 		perf_event__fprintf_cpu_map(event, stdout);
3845 
3846 	if (script->cpus) {
3847 		pr_warning("Extra cpu map event, ignoring.\n");
3848 		return 0;
3849 	}
3850 
3851 	script->cpus = cpu_map__new_data(&event->cpu_map.data);
3852 	if (!script->cpus)
3853 		return -ENOMEM;
3854 
3855 	return set_maps(script);
3856 }
3857 
3858 static int process_feature_event(struct perf_session *session,
3859 				 union perf_event *event)
3860 {
3861 	if (event->feat.feat_id < HEADER_LAST_FEATURE)
3862 		return perf_event__process_feature(session, event);
3863 	return 0;
3864 }
3865 
3866 #ifdef HAVE_AUXTRACE_SUPPORT
3867 static int perf_script__process_auxtrace_info(struct perf_session *session,
3868 					      union perf_event *event)
3869 {
3870 	int ret = perf_event__process_auxtrace_info(session, event);
3871 
3872 	if (ret == 0) {
3873 		const struct perf_tool *tool = session->tool;
3874 		struct perf_script *script = container_of(tool, struct perf_script, tool);
3875 
3876 		ret = perf_script__setup_per_event_dump(script);
3877 	}
3878 
3879 	return ret;
3880 }
3881 #else
3882 #define perf_script__process_auxtrace_info 0
3883 #endif
3884 
3885 static int parse_insn_trace(const struct option *opt __maybe_unused,
3886 			    const char *str, int unset __maybe_unused)
3887 {
3888 	const char *fields = "+insn,-event,-period";
3889 	int ret;
3890 
3891 	if (str) {
3892 		if (strcmp(str, "disasm") == 0)
3893 			fields = "+disasm,-event,-period";
3894 		else if (strlen(str) != 0 && strcmp(str, "raw") != 0) {
3895 			fprintf(stderr, "Only accept raw|disasm\n");
3896 			return -EINVAL;
3897 		}
3898 	}
3899 
3900 	ret = parse_output_fields(NULL, fields, 0);
3901 	if (ret < 0)
3902 		return ret;
3903 
3904 	itrace_parse_synth_opts(opt, "i0nse", 0);
3905 	symbol_conf.nanosecs = true;
3906 	return 0;
3907 }
3908 
3909 static int parse_xed(const struct option *opt __maybe_unused,
3910 		     const char *str __maybe_unused,
3911 		     int unset __maybe_unused)
3912 {
3913 	if (isatty(1))
3914 		force_pager("xed -F insn: -A -64 | less");
3915 	else
3916 		force_pager("xed -F insn: -A -64");
3917 	return 0;
3918 }
3919 
3920 static int parse_call_trace(const struct option *opt __maybe_unused,
3921 			    const char *str __maybe_unused,
3922 			    int unset __maybe_unused)
3923 {
3924 	parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
3925 	itrace_parse_synth_opts(opt, "cewp", 0);
3926 	symbol_conf.nanosecs = true;
3927 	symbol_conf.pad_output_len_dso = 50;
3928 	return 0;
3929 }
3930 
3931 static int parse_callret_trace(const struct option *opt __maybe_unused,
3932 			    const char *str __maybe_unused,
3933 			    int unset __maybe_unused)
3934 {
3935 	parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
3936 	itrace_parse_synth_opts(opt, "crewp", 0);
3937 	symbol_conf.nanosecs = true;
3938 	return 0;
3939 }
3940 
3941 int cmd_script(int argc, const char **argv)
3942 {
3943 	bool show_full_info = false;
3944 	bool header = false;
3945 	bool header_only = false;
3946 	bool script_started = false;
3947 	bool unsorted_dump = false;
3948 	char *rec_script_path = NULL;
3949 	char *rep_script_path = NULL;
3950 	struct perf_session *session;
3951 	struct itrace_synth_opts itrace_synth_opts = {
3952 		.set = false,
3953 		.default_no_sample = true,
3954 	};
3955 	struct utsname uts;
3956 	char *script_path = NULL;
3957 	const char *dlfilter_file = NULL;
3958 	const char **__argv;
3959 	int i, j, err = 0;
3960 	struct perf_script script = {};
3961 	struct perf_data data = {
3962 		.mode = PERF_DATA_MODE_READ,
3963 	};
3964 	const struct option options[] = {
3965 	OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3966 		    "dump raw trace in ASCII"),
3967 	OPT_BOOLEAN(0, "dump-unsorted-raw-trace", &unsorted_dump,
3968 		    "dump unsorted raw trace in ASCII"),
3969 	OPT_INCR('v', "verbose", &verbose,
3970 		 "be more verbose (show symbol address, etc)"),
3971 	OPT_BOOLEAN('L', "Latency", &latency_format,
3972 		    "show latency attributes (irqs/preemption disabled, etc)"),
3973 	OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3974 			   list_available_scripts),
3975 	OPT_CALLBACK_NOOPT(0, "list-dlfilters", NULL, NULL, "list available dlfilters",
3976 			   list_available_dlfilters),
3977 	OPT_CALLBACK('s', "script", NULL, "name",
3978 		     "script file name (lang:script name, script name, or *)",
3979 		     parse_scriptname),
3980 	OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3981 		   "generate perf-script.xx script in specified language"),
3982 	OPT_STRING(0, "dlfilter", &dlfilter_file, "file", "filter .so file name"),
3983 	OPT_CALLBACK(0, "dlarg", NULL, "argument", "filter argument",
3984 		     add_dlarg),
3985 	OPT_STRING('i', "input", &input_name, "file", "input file name"),
3986 	OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3987 		   "do various checks like samples ordering and lost events"),
3988 	OPT_BOOLEAN(0, "header", &header, "Show data header."),
3989 	OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3990 	OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3991 		   "file", "vmlinux pathname"),
3992 	OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3993 		   "file", "kallsyms pathname"),
3994 	OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3995 		    "When printing symbols do not display call chain"),
3996 	OPT_CALLBACK(0, "symfs", NULL, "directory",
3997 		     "Look for files with symbols relative to this directory",
3998 		     symbol__config_symfs),
3999 	OPT_CALLBACK('F', "fields", NULL, "str",
4000 		     "comma separated output fields prepend with 'type:'. "
4001 		     "+field to add and -field to remove."
4002 		     "Valid types: hw,sw,trace,raw,synth. "
4003 		     "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,dsoff,"
4004 		     "addr,symoff,srcline,period,iregs,uregs,brstack,"
4005 		     "brstacksym,flags,data_src,weight,bpf-output,brstackinsn,"
4006 		     "brstackinsnlen,brstackdisasm,brstackoff,callindent,insn,disasm,insnlen,synth,"
4007 		     "phys_addr,metric,misc,srccode,ipc,tod,data_page_size,"
4008 		     "code_page_size,ins_lat,machine_pid,vcpu,cgroup,retire_lat,"
4009 		     "brcntr",
4010 		     parse_output_fields),
4011 	OPT_BOOLEAN('a', "all-cpus", &system_wide,
4012 		    "system-wide collection from all CPUs"),
4013 	OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
4014 		   "only consider symbols in these DSOs"),
4015 	OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
4016 		   "only consider these symbols"),
4017 	OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range,
4018 		    "Use with -S to list traced records within address range"),
4019 	OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, "raw|disasm",
4020 			"Decode instructions from itrace", parse_insn_trace),
4021 	OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
4022 			"Run xed disassembler on output", parse_xed),
4023 	OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
4024 			"Decode calls from itrace", parse_call_trace),
4025 	OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
4026 			"Decode calls and returns from itrace", parse_callret_trace),
4027 	OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",
4028 			"Only print symbols and callees with --call-trace/--call-ret-trace"),
4029 	OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
4030 		   "Stop display of callgraph at these symbols"),
4031 	OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
4032 	OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
4033 		   "only display events for these comms"),
4034 	OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
4035 		   "only consider symbols in these pids"),
4036 	OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
4037 		   "only consider symbols in these tids"),
4038 	OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
4039 		     "Set the maximum stack depth when parsing the callchain, "
4040 		     "anything beyond the specified depth will be ignored. "
4041 		     "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
4042 	OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"),
4043 	OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"),
4044 	OPT_BOOLEAN('I', "show-info", &show_full_info,
4045 		    "display extended information from perf.data file"),
4046 	OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
4047 		    "Show the path of [kernel.kallsyms]"),
4048 	OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
4049 		    "Show the fork/comm/exit events"),
4050 	OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
4051 		    "Show the mmap events"),
4052 	OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
4053 		    "Show context switch events (if recorded)"),
4054 	OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
4055 		    "Show namespace events (if recorded)"),
4056 	OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events,
4057 		    "Show cgroup events (if recorded)"),
4058 	OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
4059 		    "Show lost events (if recorded)"),
4060 	OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
4061 		    "Show round events (if recorded)"),
4062 	OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events,
4063 		    "Show bpf related events (if recorded)"),
4064 	OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events,
4065 		    "Show text poke related events (if recorded)"),
4066 	OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
4067 		    "Dump trace output to files named by the monitored events"),
4068 	OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
4069 	OPT_INTEGER(0, "max-blocks", &max_blocks,
4070 		    "Maximum number of code blocks to dump with brstackinsn"),
4071 	OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs,
4072 		    "Use 9 decimal places when displaying time"),
4073 	OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
4074 			    "Instruction Tracing options\n" ITRACE_HELP,
4075 			    itrace_parse_synth_opts),
4076 	OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
4077 			"Show full source file name path for source lines"),
4078 	OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
4079 			"Enable symbol demangling"),
4080 	OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
4081 			"Enable kernel symbol demangling"),
4082 	OPT_STRING(0, "addr2line", &symbol_conf.addr2line_path, "path",
4083 			"addr2line binary to use for line numbers"),
4084 	OPT_STRING(0, "time", &script.time_str, "str",
4085 		   "Time span of interest (start,stop)"),
4086 	OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
4087 		    "Show inline function"),
4088 	OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
4089 		   "guest mount directory under which every guest os"
4090 		   " instance has a subdir"),
4091 	OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name,
4092 		   "file", "file saving guest os vmlinux"),
4093 	OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms,
4094 		   "file", "file saving guest os /proc/kallsyms"),
4095 	OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
4096 		   "file", "file saving guest os /proc/modules"),
4097 	OPT_BOOLEAN(0, "guest-code", &symbol_conf.guest_code,
4098 		    "Guest code can be found in hypervisor process"),
4099 	OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr,
4100 		    "Enable LBR callgraph stitching approach"),
4101 	OPTS_EVSWITCH(&script.evswitch),
4102 	OPT_END()
4103 	};
4104 	const char * const script_subcommands[] = { "record", "report", NULL };
4105 	const char *script_usage[] = {
4106 		"perf script [<options>]",
4107 		"perf script [<options>] record <script> [<record-options>] <command>",
4108 		"perf script [<options>] report <script> [script-args]",
4109 		"perf script [<options>] <script> [<record-options>] <command>",
4110 		"perf script [<options>] <top-script> [script-args]",
4111 		NULL
4112 	};
4113 
4114 	perf_set_singlethreaded();
4115 
4116 	setup_scripting();
4117 
4118 	argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
4119 			     PARSE_OPT_STOP_AT_NON_OPTION);
4120 
4121 	if (symbol_conf.guestmount ||
4122 	    symbol_conf.default_guest_vmlinux_name ||
4123 	    symbol_conf.default_guest_kallsyms ||
4124 	    symbol_conf.default_guest_modules ||
4125 	    symbol_conf.guest_code) {
4126 		/*
4127 		 * Enable guest sample processing.
4128 		 */
4129 		perf_guest = true;
4130 	}
4131 
4132 	data.path  = input_name;
4133 	data.force = symbol_conf.force;
4134 
4135 	if (unsorted_dump)
4136 		dump_trace = true;
4137 
4138 	if (symbol__validate_sym_arguments())
4139 		return -1;
4140 
4141 	if (argc > 1 && strlen(argv[0]) > 2 && strstarts("record", argv[0])) {
4142 		rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
4143 		if (!rec_script_path)
4144 			return cmd_record(argc, argv);
4145 	}
4146 
4147 	if (argc > 1 && strlen(argv[0]) > 2 && strstarts("report", argv[0])) {
4148 		rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
4149 		if (!rep_script_path) {
4150 			fprintf(stderr,
4151 				"Please specify a valid report script"
4152 				"(see 'perf script -l' for listing)\n");
4153 			return -1;
4154 		}
4155 	}
4156 
4157 	if (reltime && deltatime) {
4158 		fprintf(stderr,
4159 			"reltime and deltatime - the two don't get along well. "
4160 			"Please limit to --reltime or --deltatime.\n");
4161 		return -1;
4162 	}
4163 
4164 	if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) &&
4165 	    itrace_synth_opts.callchain_sz > scripting_max_stack)
4166 		scripting_max_stack = itrace_synth_opts.callchain_sz;
4167 
4168 	/* make sure PERF_EXEC_PATH is set for scripts */
4169 	set_argv_exec_path(get_argv_exec_path());
4170 
4171 	if (argc && !script_name && !rec_script_path && !rep_script_path) {
4172 		int live_pipe[2];
4173 		int rep_args;
4174 		pid_t pid;
4175 
4176 		rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
4177 		rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
4178 
4179 		if (!rec_script_path && !rep_script_path) {
4180 			script_name = find_script(argv[0]);
4181 			if (script_name) {
4182 				argc -= 1;
4183 				argv += 1;
4184 				goto script_found;
4185 			}
4186 			usage_with_options_msg(script_usage, options,
4187 				"Couldn't find script `%s'\n\n See perf"
4188 				" script -l for available scripts.\n", argv[0]);
4189 		}
4190 
4191 		if (is_top_script(argv[0])) {
4192 			rep_args = argc - 1;
4193 		} else {
4194 			int rec_args;
4195 
4196 			rep_args = has_required_arg(rep_script_path);
4197 			rec_args = (argc - 1) - rep_args;
4198 			if (rec_args < 0) {
4199 				usage_with_options_msg(script_usage, options,
4200 					"`%s' script requires options."
4201 					"\n\n See perf script -l for available "
4202 					"scripts and options.\n", argv[0]);
4203 			}
4204 		}
4205 
4206 		if (pipe(live_pipe) < 0) {
4207 			perror("failed to create pipe");
4208 			return -1;
4209 		}
4210 
4211 		pid = fork();
4212 		if (pid < 0) {
4213 			perror("failed to fork");
4214 			return -1;
4215 		}
4216 
4217 		if (!pid) {
4218 			j = 0;
4219 
4220 			dup2(live_pipe[1], 1);
4221 			close(live_pipe[0]);
4222 
4223 			if (is_top_script(argv[0])) {
4224 				system_wide = true;
4225 			} else if (!system_wide) {
4226 				if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
4227 					err = -1;
4228 					goto out;
4229 				}
4230 			}
4231 
4232 			__argv = malloc((argc + 6) * sizeof(const char *));
4233 			if (!__argv) {
4234 				pr_err("malloc failed\n");
4235 				err = -ENOMEM;
4236 				goto out;
4237 			}
4238 
4239 			__argv[j++] = "/bin/sh";
4240 			__argv[j++] = rec_script_path;
4241 			if (system_wide)
4242 				__argv[j++] = "-a";
4243 			__argv[j++] = "-q";
4244 			__argv[j++] = "-o";
4245 			__argv[j++] = "-";
4246 			for (i = rep_args + 1; i < argc; i++)
4247 				__argv[j++] = argv[i];
4248 			__argv[j++] = NULL;
4249 
4250 			execvp("/bin/sh", (char **)__argv);
4251 			free(__argv);
4252 			exit(-1);
4253 		}
4254 
4255 		dup2(live_pipe[0], 0);
4256 		close(live_pipe[1]);
4257 
4258 		__argv = malloc((argc + 4) * sizeof(const char *));
4259 		if (!__argv) {
4260 			pr_err("malloc failed\n");
4261 			err = -ENOMEM;
4262 			goto out;
4263 		}
4264 
4265 		j = 0;
4266 		__argv[j++] = "/bin/sh";
4267 		__argv[j++] = rep_script_path;
4268 		for (i = 1; i < rep_args + 1; i++)
4269 			__argv[j++] = argv[i];
4270 		__argv[j++] = "-i";
4271 		__argv[j++] = "-";
4272 		__argv[j++] = NULL;
4273 
4274 		execvp("/bin/sh", (char **)__argv);
4275 		free(__argv);
4276 		exit(-1);
4277 	}
4278 script_found:
4279 	if (rec_script_path)
4280 		script_path = rec_script_path;
4281 	if (rep_script_path)
4282 		script_path = rep_script_path;
4283 
4284 	if (script_path) {
4285 		j = 0;
4286 
4287 		if (!rec_script_path)
4288 			system_wide = false;
4289 		else if (!system_wide) {
4290 			if (have_cmd(argc - 1, &argv[1]) != 0) {
4291 				err = -1;
4292 				goto out;
4293 			}
4294 		}
4295 
4296 		__argv = malloc((argc + 2) * sizeof(const char *));
4297 		if (!__argv) {
4298 			pr_err("malloc failed\n");
4299 			err = -ENOMEM;
4300 			goto out;
4301 		}
4302 
4303 		__argv[j++] = "/bin/sh";
4304 		__argv[j++] = script_path;
4305 		if (system_wide)
4306 			__argv[j++] = "-a";
4307 		for (i = 2; i < argc; i++)
4308 			__argv[j++] = argv[i];
4309 		__argv[j++] = NULL;
4310 
4311 		execvp("/bin/sh", (char **)__argv);
4312 		free(__argv);
4313 		exit(-1);
4314 	}
4315 
4316 	if (dlfilter_file) {
4317 		dlfilter = dlfilter__new(dlfilter_file, dlargc, dlargv);
4318 		if (!dlfilter)
4319 			return -1;
4320 	}
4321 
4322 	if (!script_name) {
4323 		setup_pager();
4324 		use_browser = 0;
4325 	}
4326 
4327 	perf_tool__init(&script.tool, !unsorted_dump);
4328 	script.tool.sample		 = process_sample_event;
4329 	script.tool.mmap		 = perf_event__process_mmap;
4330 	script.tool.mmap2		 = perf_event__process_mmap2;
4331 	script.tool.comm		 = perf_event__process_comm;
4332 	script.tool.namespaces		 = perf_event__process_namespaces;
4333 	script.tool.cgroup		 = perf_event__process_cgroup;
4334 	script.tool.exit		 = perf_event__process_exit;
4335 	script.tool.fork		 = perf_event__process_fork;
4336 	script.tool.attr		 = process_attr;
4337 	script.tool.event_update	 = perf_event__process_event_update;
4338 #ifdef HAVE_LIBTRACEEVENT
4339 	script.tool.tracing_data	 = perf_event__process_tracing_data;
4340 #endif
4341 	script.tool.feature		 = process_feature_event;
4342 	script.tool.build_id		 = perf_event__process_build_id;
4343 	script.tool.id_index		 = perf_event__process_id_index;
4344 	script.tool.auxtrace_info	 = perf_script__process_auxtrace_info;
4345 	script.tool.auxtrace		 = perf_event__process_auxtrace;
4346 	script.tool.auxtrace_error	 = perf_event__process_auxtrace_error;
4347 	script.tool.stat		 = perf_event__process_stat_event;
4348 	script.tool.stat_round		 = process_stat_round_event;
4349 	script.tool.stat_config		 = process_stat_config_event;
4350 	script.tool.thread_map		 = process_thread_map_event;
4351 	script.tool.cpu_map		 = process_cpu_map_event;
4352 	script.tool.throttle		 = process_throttle_event;
4353 	script.tool.unthrottle		 = process_throttle_event;
4354 	script.tool.ordering_requires_timestamps = true;
4355 	session = perf_session__new(&data, &script.tool);
4356 	if (IS_ERR(session))
4357 		return PTR_ERR(session);
4358 
4359 	if (header || header_only) {
4360 		script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
4361 		perf_session__fprintf_info(session, stdout, show_full_info);
4362 		if (header_only)
4363 			goto out_delete;
4364 	}
4365 	if (show_full_info)
4366 		script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
4367 
4368 	if (symbol__init(&session->header.env) < 0)
4369 		goto out_delete;
4370 
4371 	uname(&uts);
4372 	if (data.is_pipe) { /* Assume pipe_mode indicates native_arch */
4373 		native_arch = true;
4374 	} else if (session->header.env.arch) {
4375 		if (!strcmp(uts.machine, session->header.env.arch))
4376 			native_arch = true;
4377 		else if (!strcmp(uts.machine, "x86_64") &&
4378 			 !strcmp(session->header.env.arch, "i386"))
4379 			native_arch = true;
4380 	}
4381 
4382 	script.session = session;
4383 	script__setup_sample_type(&script);
4384 
4385 	if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) ||
4386 	    symbol_conf.graph_function)
4387 		itrace_synth_opts.thread_stack = true;
4388 
4389 	session->itrace_synth_opts = &itrace_synth_opts;
4390 
4391 	if (cpu_list) {
4392 		err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
4393 		if (err < 0)
4394 			goto out_delete;
4395 		itrace_synth_opts.cpu_bitmap = cpu_bitmap;
4396 	}
4397 
4398 	if (!no_callchain)
4399 		symbol_conf.use_callchain = true;
4400 	else
4401 		symbol_conf.use_callchain = false;
4402 
4403 #ifdef HAVE_LIBTRACEEVENT
4404 	if (session->tevent.pevent &&
4405 	    tep_set_function_resolver(session->tevent.pevent,
4406 				      machine__resolve_kernel_addr,
4407 				      &session->machines.host) < 0) {
4408 		pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
4409 		err = -1;
4410 		goto out_delete;
4411 	}
4412 #endif
4413 	if (generate_script_lang) {
4414 		struct stat perf_stat;
4415 		int input;
4416 
4417 		if (output_set_by_user()) {
4418 			fprintf(stderr,
4419 				"custom fields not supported for generated scripts");
4420 			err = -EINVAL;
4421 			goto out_delete;
4422 		}
4423 
4424 		input = open(data.path, O_RDONLY);	/* input_name */
4425 		if (input < 0) {
4426 			err = -errno;
4427 			perror("failed to open file");
4428 			goto out_delete;
4429 		}
4430 
4431 		err = fstat(input, &perf_stat);
4432 		if (err < 0) {
4433 			perror("failed to stat file");
4434 			goto out_delete;
4435 		}
4436 
4437 		if (!perf_stat.st_size) {
4438 			fprintf(stderr, "zero-sized file, nothing to do!\n");
4439 			goto out_delete;
4440 		}
4441 
4442 		scripting_ops = script_spec__lookup(generate_script_lang);
4443 		if (!scripting_ops) {
4444 			fprintf(stderr, "invalid language specifier");
4445 			err = -ENOENT;
4446 			goto out_delete;
4447 		}
4448 #ifdef HAVE_LIBTRACEEVENT
4449 		err = scripting_ops->generate_script(session->tevent.pevent,
4450 						     "perf-script");
4451 #else
4452 		err = scripting_ops->generate_script(NULL, "perf-script");
4453 #endif
4454 		goto out_delete;
4455 	}
4456 
4457 	err = dlfilter__start(dlfilter, session);
4458 	if (err)
4459 		goto out_delete;
4460 
4461 	if (script_name) {
4462 		err = scripting_ops->start_script(script_name, argc, argv, session);
4463 		if (err)
4464 			goto out_delete;
4465 		pr_debug("perf script started with script %s\n\n", script_name);
4466 		script_started = true;
4467 	}
4468 
4469 
4470 	err = perf_session__check_output_opt(session);
4471 	if (err < 0)
4472 		goto out_delete;
4473 
4474 	if (script.time_str) {
4475 		err = perf_time__parse_for_ranges_reltime(script.time_str, session,
4476 						  &script.ptime_range,
4477 						  &script.range_size,
4478 						  &script.range_num,
4479 						  reltime);
4480 		if (err < 0)
4481 			goto out_delete;
4482 
4483 		itrace_synth_opts__set_time_range(&itrace_synth_opts,
4484 						  script.ptime_range,
4485 						  script.range_num);
4486 	}
4487 
4488 	err = evswitch__init(&script.evswitch, session->evlist, stderr);
4489 	if (err)
4490 		goto out_delete;
4491 
4492 	if (zstd_init(&(session->zstd_data), 0) < 0)
4493 		pr_warning("Decompression initialization failed. Reported data may be incomplete.\n");
4494 
4495 	err = __cmd_script(&script);
4496 
4497 	flush_scripting();
4498 
4499 	if (verbose > 2 || debug_kmaps)
4500 		perf_session__dump_kmaps(session);
4501 
4502 out_delete:
4503 	if (script.ptime_range) {
4504 		itrace_synth_opts__clear_time_range(&itrace_synth_opts);
4505 		zfree(&script.ptime_range);
4506 	}
4507 
4508 	zstd_fini(&(session->zstd_data));
4509 	evlist__free_stats(session->evlist);
4510 	perf_session__delete(session);
4511 	perf_script__exit(&script);
4512 
4513 	if (script_started)
4514 		cleanup_scripting();
4515 	dlfilter__cleanup(dlfilter);
4516 	free_dlarg();
4517 out:
4518 	return err;
4519 }
4520