xref: /linux/tools/perf/builtin-script.c (revision fbfb858552fb9a4c869e22f3303c7c7365367509)
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 "util/metricgroup.h"
37 #include "ui/ui.h"
38 #include "print_binary.h"
39 #include "print_insn.h"
40 #include <linux/bitmap.h>
41 #include <linux/compiler.h>
42 #include <linux/kernel.h>
43 #include <linux/stringify.h>
44 #include <linux/time64.h>
45 #include <linux/zalloc.h>
46 #include <linux/unaligned.h>
47 #include <sys/utsname.h>
48 #include "asm/bug.h"
49 #include "util/mem-events.h"
50 #include "util/dump-insn.h"
51 #include <dirent.h>
52 #include <errno.h>
53 #include <inttypes.h>
54 #include <signal.h>
55 #include <stdio.h>
56 #include <sys/param.h>
57 #include <sys/types.h>
58 #include <sys/stat.h>
59 #include <fcntl.h>
60 #include <unistd.h>
61 #include <subcmd/pager.h>
62 #include <perf/evlist.h>
63 #include <linux/err.h>
64 #include "util/dlfilter.h"
65 #include "util/record.h"
66 #include "util/util.h"
67 #include "util/cgroup.h"
68 #include "util/annotate.h"
69 #include "perf.h"
70 
71 #include <linux/ctype.h>
72 #ifdef HAVE_LIBTRACEEVENT
73 #include <event-parse.h>
74 #endif
75 
76 static char const		*script_name;
77 static char const		*generate_script_lang;
78 static bool			reltime;
79 static bool			deltatime;
80 static u64			initial_time;
81 static u64			previous_time;
82 static bool			debug_mode;
83 static u64			last_timestamp;
84 static u64			nr_unordered;
85 static bool			no_callchain;
86 static bool			latency_format;
87 static bool			system_wide;
88 static bool			print_flags;
89 static const char		*cpu_list;
90 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
91 static int			max_blocks;
92 static struct dlfilter		*dlfilter;
93 static int			dlargc;
94 static char			**dlargv;
95 
96 enum perf_output_field {
97 	PERF_OUTPUT_COMM            = 1ULL << 0,
98 	PERF_OUTPUT_TID             = 1ULL << 1,
99 	PERF_OUTPUT_PID             = 1ULL << 2,
100 	PERF_OUTPUT_TIME            = 1ULL << 3,
101 	PERF_OUTPUT_CPU             = 1ULL << 4,
102 	PERF_OUTPUT_EVNAME          = 1ULL << 5,
103 	PERF_OUTPUT_TRACE           = 1ULL << 6,
104 	PERF_OUTPUT_IP              = 1ULL << 7,
105 	PERF_OUTPUT_SYM             = 1ULL << 8,
106 	PERF_OUTPUT_DSO             = 1ULL << 9,
107 	PERF_OUTPUT_ADDR            = 1ULL << 10,
108 	PERF_OUTPUT_SYMOFFSET       = 1ULL << 11,
109 	PERF_OUTPUT_SRCLINE         = 1ULL << 12,
110 	PERF_OUTPUT_PERIOD          = 1ULL << 13,
111 	PERF_OUTPUT_IREGS	    = 1ULL << 14,
112 	PERF_OUTPUT_BRSTACK	    = 1ULL << 15,
113 	PERF_OUTPUT_BRSTACKSYM	    = 1ULL << 16,
114 	PERF_OUTPUT_DATA_SRC	    = 1ULL << 17,
115 	PERF_OUTPUT_WEIGHT	    = 1ULL << 18,
116 	PERF_OUTPUT_BPF_OUTPUT	    = 1ULL << 19,
117 	PERF_OUTPUT_CALLINDENT	    = 1ULL << 20,
118 	PERF_OUTPUT_INSN	    = 1ULL << 21,
119 	PERF_OUTPUT_INSNLEN	    = 1ULL << 22,
120 	PERF_OUTPUT_BRSTACKINSN	    = 1ULL << 23,
121 	PERF_OUTPUT_BRSTACKOFF	    = 1ULL << 24,
122 	PERF_OUTPUT_SYNTH           = 1ULL << 25,
123 	PERF_OUTPUT_PHYS_ADDR       = 1ULL << 26,
124 	PERF_OUTPUT_UREGS	    = 1ULL << 27,
125 	PERF_OUTPUT_METRIC	    = 1ULL << 28,
126 	PERF_OUTPUT_MISC            = 1ULL << 29,
127 	PERF_OUTPUT_SRCCODE	    = 1ULL << 30,
128 	PERF_OUTPUT_IPC             = 1ULL << 31,
129 	PERF_OUTPUT_TOD             = 1ULL << 32,
130 	PERF_OUTPUT_DATA_PAGE_SIZE  = 1ULL << 33,
131 	PERF_OUTPUT_CODE_PAGE_SIZE  = 1ULL << 34,
132 	PERF_OUTPUT_INS_LAT         = 1ULL << 35,
133 	PERF_OUTPUT_BRSTACKINSNLEN  = 1ULL << 36,
134 	PERF_OUTPUT_MACHINE_PID     = 1ULL << 37,
135 	PERF_OUTPUT_VCPU            = 1ULL << 38,
136 	PERF_OUTPUT_CGROUP          = 1ULL << 39,
137 	PERF_OUTPUT_RETIRE_LAT      = 1ULL << 40,
138 	PERF_OUTPUT_DSOFF           = 1ULL << 41,
139 	PERF_OUTPUT_DISASM          = 1ULL << 42,
140 	PERF_OUTPUT_BRSTACKDISASM   = 1ULL << 43,
141 	PERF_OUTPUT_BRCNTR          = 1ULL << 44,
142 };
143 
144 struct perf_script {
145 	struct perf_tool	tool;
146 	struct perf_session	*session;
147 	bool			show_task_events;
148 	bool			show_mmap_events;
149 	bool			show_switch_events;
150 	bool			show_namespace_events;
151 	bool			show_lost_events;
152 	bool			show_round_events;
153 	bool			show_bpf_events;
154 	bool			show_cgroup_events;
155 	bool			show_text_poke_events;
156 	bool			allocated;
157 	bool			per_event_dump;
158 	bool			stitch_lbr;
159 	struct evswitch		evswitch;
160 	struct perf_cpu_map	*cpus;
161 	struct perf_thread_map *threads;
162 	int			name_width;
163 	const char              *time_str;
164 	struct perf_time_interval *ptime_range;
165 	int			range_size;
166 	int			range_num;
167 };
168 
169 static struct output_option {
170 	const char *str;
171 	enum perf_output_field field;
172 } all_output_options[] = {
173 	{.str = "comm",  .field = PERF_OUTPUT_COMM},
174 	{.str = "tid",   .field = PERF_OUTPUT_TID},
175 	{.str = "pid",   .field = PERF_OUTPUT_PID},
176 	{.str = "time",  .field = PERF_OUTPUT_TIME},
177 	{.str = "cpu",   .field = PERF_OUTPUT_CPU},
178 	{.str = "event", .field = PERF_OUTPUT_EVNAME},
179 	{.str = "trace", .field = PERF_OUTPUT_TRACE},
180 	{.str = "ip",    .field = PERF_OUTPUT_IP},
181 	{.str = "sym",   .field = PERF_OUTPUT_SYM},
182 	{.str = "dso",   .field = PERF_OUTPUT_DSO},
183 	{.str = "dsoff", .field = PERF_OUTPUT_DSOFF},
184 	{.str = "addr",  .field = PERF_OUTPUT_ADDR},
185 	{.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
186 	{.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
187 	{.str = "period", .field = PERF_OUTPUT_PERIOD},
188 	{.str = "iregs", .field = PERF_OUTPUT_IREGS},
189 	{.str = "uregs", .field = PERF_OUTPUT_UREGS},
190 	{.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
191 	{.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
192 	{.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
193 	{.str = "weight",   .field = PERF_OUTPUT_WEIGHT},
194 	{.str = "bpf-output",   .field = PERF_OUTPUT_BPF_OUTPUT},
195 	{.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
196 	{.str = "insn", .field = PERF_OUTPUT_INSN},
197 	{.str = "disasm", .field = PERF_OUTPUT_DISASM},
198 	{.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
199 	{.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
200 	{.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
201 	{.str = "synth", .field = PERF_OUTPUT_SYNTH},
202 	{.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
203 	{.str = "metric", .field = PERF_OUTPUT_METRIC},
204 	{.str = "misc", .field = PERF_OUTPUT_MISC},
205 	{.str = "srccode", .field = PERF_OUTPUT_SRCCODE},
206 	{.str = "ipc", .field = PERF_OUTPUT_IPC},
207 	{.str = "tod", .field = PERF_OUTPUT_TOD},
208 	{.str = "data_page_size", .field = PERF_OUTPUT_DATA_PAGE_SIZE},
209 	{.str = "code_page_size", .field = PERF_OUTPUT_CODE_PAGE_SIZE},
210 	{.str = "ins_lat", .field = PERF_OUTPUT_INS_LAT},
211 	{.str = "brstackinsnlen", .field = PERF_OUTPUT_BRSTACKINSNLEN},
212 	{.str = "machine_pid", .field = PERF_OUTPUT_MACHINE_PID},
213 	{.str = "vcpu", .field = PERF_OUTPUT_VCPU},
214 	{.str = "cgroup", .field = PERF_OUTPUT_CGROUP},
215 	{.str = "retire_lat", .field = PERF_OUTPUT_RETIRE_LAT},
216 	{.str = "brstackdisasm", .field = PERF_OUTPUT_BRSTACKDISASM},
217 	{.str = "brcntr", .field = PERF_OUTPUT_BRCNTR},
218 };
219 
220 enum {
221 	OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
222 	OUTPUT_TYPE_OTHER,
223 	OUTPUT_TYPE_MAX
224 };
225 
226 // We need to refactor the evsel->priv use in 'perf script' to allow for
227 // using that area, that is being used only in some cases.
228 #define OUTPUT_TYPE_UNSET -1
229 
230 /* default set to maintain compatibility with current format */
231 static struct {
232 	bool user_set;
233 	bool wildcard_set;
234 	unsigned int print_ip_opts;
235 	u64 fields;
236 	u64 invalid_fields;
237 	u64 user_set_fields;
238 	u64 user_unset_fields;
239 } output[OUTPUT_TYPE_MAX] = {
240 
241 	[PERF_TYPE_HARDWARE] = {
242 		.user_set = false,
243 
244 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
245 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
246 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
247 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
248 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
249 
250 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
251 	},
252 
253 	[PERF_TYPE_SOFTWARE] = {
254 		.user_set = false,
255 
256 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
257 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
258 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
259 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
260 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
261 			      PERF_OUTPUT_BPF_OUTPUT,
262 
263 		.invalid_fields = PERF_OUTPUT_TRACE,
264 	},
265 
266 	[PERF_TYPE_TRACEPOINT] = {
267 		.user_set = false,
268 
269 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
270 				  PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
271 				  PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
272 	},
273 
274 	[PERF_TYPE_HW_CACHE] = {
275 		.user_set = false,
276 
277 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
278 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
279 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
280 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
281 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
282 
283 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
284 	},
285 
286 	[PERF_TYPE_RAW] = {
287 		.user_set = false,
288 
289 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
290 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
291 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
292 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
293 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
294 			      PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
295 			      PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR |
296 			      PERF_OUTPUT_DATA_PAGE_SIZE | PERF_OUTPUT_CODE_PAGE_SIZE |
297 			      PERF_OUTPUT_INS_LAT | PERF_OUTPUT_RETIRE_LAT,
298 
299 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
300 	},
301 
302 	[PERF_TYPE_BREAKPOINT] = {
303 		.user_set = false,
304 
305 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
306 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
307 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
308 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
309 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
310 
311 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
312 	},
313 
314 	[OUTPUT_TYPE_SYNTH] = {
315 		.user_set = false,
316 
317 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
318 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
319 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
320 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
321 			      PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH,
322 
323 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
324 	},
325 
326 	[OUTPUT_TYPE_OTHER] = {
327 		.user_set = false,
328 
329 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
330 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
331 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
332 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
333 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
334 
335 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
336 	},
337 };
338 
339 struct evsel_script {
340        char *filename;
341        FILE *fp;
342        u64  samples;
343 };
344 
345 static struct evsel_script *evsel_script__new(struct evsel *evsel, struct perf_data *data)
346 {
347 	struct evsel_script *es = zalloc(sizeof(*es));
348 
349 	if (es != NULL) {
350 		if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0)
351 			goto out_free;
352 		es->fp = fopen(es->filename, "w");
353 		if (es->fp == NULL)
354 			goto out_free_filename;
355 	}
356 
357 	return es;
358 out_free_filename:
359 	zfree(&es->filename);
360 out_free:
361 	free(es);
362 	return NULL;
363 }
364 
365 static void evsel_script__delete(struct evsel_script *es)
366 {
367 	zfree(&es->filename);
368 	fclose(es->fp);
369 	es->fp = NULL;
370 	free(es);
371 }
372 
373 static int evsel_script__fprintf(struct evsel_script *es, FILE *fp)
374 {
375 	struct stat st;
376 
377 	fstat(fileno(es->fp), &st);
378 	return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
379 		       st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
380 }
381 
382 static inline int output_type(unsigned int type)
383 {
384 	switch (type) {
385 	case PERF_TYPE_SYNTH:
386 		return OUTPUT_TYPE_SYNTH;
387 	default:
388 		if (type < PERF_TYPE_MAX)
389 			return type;
390 	}
391 
392 	return OUTPUT_TYPE_OTHER;
393 }
394 
395 static inline int evsel__output_type(struct evsel *evsel)
396 {
397 	int type = evsel->script_output_type;
398 
399 	if (type == OUTPUT_TYPE_UNSET) {
400 		type = output_type(evsel->core.attr.type);
401 		if (type == OUTPUT_TYPE_OTHER) {
402 			struct perf_pmu *pmu = evsel__find_pmu(evsel);
403 
404 			if (pmu && pmu->is_core)
405 				type = PERF_TYPE_RAW;
406 		}
407 		evsel->script_output_type = type;
408 	}
409 
410 	return type;
411 }
412 
413 static bool output_set_by_user(void)
414 {
415 	int j;
416 	for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
417 		if (output[j].user_set)
418 			return true;
419 	}
420 	return false;
421 }
422 
423 static const char *output_field2str(enum perf_output_field field)
424 {
425 	int i, imax = ARRAY_SIZE(all_output_options);
426 	const char *str = "";
427 
428 	for (i = 0; i < imax; ++i) {
429 		if (all_output_options[i].field == field) {
430 			str = all_output_options[i].str;
431 			break;
432 		}
433 	}
434 	return str;
435 }
436 
437 #define PRINT_FIELD(x)  (output[evsel__output_type(evsel)].fields & PERF_OUTPUT_##x)
438 
439 static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
440 				 enum perf_output_field field, bool allow_user_set)
441 {
442 	struct perf_event_attr *attr = &evsel->core.attr;
443 	int type = evsel__output_type(evsel);
444 	const char *evname;
445 
446 	if (attr->sample_type & sample_type)
447 		return 0;
448 
449 	if (output[type].user_set_fields & field) {
450 		if (allow_user_set)
451 			return 0;
452 		evname = evsel__name(evsel);
453 		pr_err("Samples for '%s' event do not have %s attribute set. "
454 		       "Cannot print '%s' field.\n",
455 		       evname, sample_msg, output_field2str(field));
456 		return -1;
457 	}
458 
459 	/* user did not ask for it explicitly so remove from the default list */
460 	output[type].fields &= ~field;
461 	evname = evsel__name(evsel);
462 	pr_debug("Samples for '%s' event do not have %s attribute set. "
463 		 "Skipping '%s' field.\n",
464 		 evname, sample_msg, output_field2str(field));
465 
466 	return 0;
467 }
468 
469 static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
470 			      enum perf_output_field field)
471 {
472 	return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false);
473 }
474 
475 static int evsel__check_attr(struct evsel *evsel, struct perf_session *session)
476 {
477 	bool allow_user_set;
478 
479 	if (evsel__is_dummy_event(evsel))
480 		return 0;
481 
482 	if (perf_header__has_feat(&session->header, HEADER_STAT))
483 		return 0;
484 
485 	allow_user_set = perf_header__has_feat(&session->header,
486 					       HEADER_AUXTRACE);
487 
488 	if (PRINT_FIELD(TRACE) &&
489 	    !perf_session__has_traces(session, "record -R"))
490 		return -EINVAL;
491 
492 	if (PRINT_FIELD(IP)) {
493 		if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP))
494 			return -EINVAL;
495 	}
496 
497 	if (PRINT_FIELD(ADDR) &&
498 	    evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set))
499 		return -EINVAL;
500 
501 	if (PRINT_FIELD(DATA_SRC) &&
502 	    evsel__do_check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC, allow_user_set))
503 		return -EINVAL;
504 
505 	if (PRINT_FIELD(WEIGHT) &&
506 	    evsel__do_check_stype(evsel, PERF_SAMPLE_WEIGHT_TYPE, "WEIGHT", PERF_OUTPUT_WEIGHT, allow_user_set))
507 		return -EINVAL;
508 
509 	if (PRINT_FIELD(SYM) &&
510 	    !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
511 		pr_err("Display of symbols requested but neither sample IP nor "
512 			   "sample address\navailable. Hence, no addresses to convert "
513 		       "to symbols.\n");
514 		return -EINVAL;
515 	}
516 	if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
517 		pr_err("Display of offsets requested but symbol is not"
518 		       "selected.\n");
519 		return -EINVAL;
520 	}
521 	if (PRINT_FIELD(DSO) &&
522 	    !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
523 		pr_err("Display of DSO requested but no address to convert.\n");
524 		return -EINVAL;
525 	}
526 	if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) {
527 		pr_err("Display of source line number requested but sample IP is not\n"
528 		       "selected. Hence, no address to lookup the source line number.\n");
529 		return -EINVAL;
530 	}
531 	if ((PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN) || PRINT_FIELD(BRSTACKDISASM))
532 	    && !allow_user_set &&
533 	    !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) {
534 		pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
535 		       "Hint: run 'perf record -b ...'\n");
536 		return -EINVAL;
537 	}
538 	if (PRINT_FIELD(BRCNTR) &&
539 	    !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_COUNTERS)) {
540 		pr_err("Display of branch counter requested but it's not enabled\n"
541 		       "Hint: run 'perf record -j any,counter ...'\n");
542 		return -EINVAL;
543 	}
544 	if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
545 	    evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID))
546 		return -EINVAL;
547 
548 	if (PRINT_FIELD(TIME) &&
549 	    evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME))
550 		return -EINVAL;
551 
552 	if (PRINT_FIELD(CPU) &&
553 	    evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set))
554 		return -EINVAL;
555 
556 	if (PRINT_FIELD(IREGS) &&
557 	    evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set))
558 		return -EINVAL;
559 
560 	if (PRINT_FIELD(UREGS) &&
561 	    evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS))
562 		return -EINVAL;
563 
564 	if (PRINT_FIELD(PHYS_ADDR) &&
565 	    evsel__do_check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR, allow_user_set))
566 		return -EINVAL;
567 
568 	if (PRINT_FIELD(DATA_PAGE_SIZE) &&
569 	    evsel__check_stype(evsel, PERF_SAMPLE_DATA_PAGE_SIZE, "DATA_PAGE_SIZE", PERF_OUTPUT_DATA_PAGE_SIZE))
570 		return -EINVAL;
571 
572 	if (PRINT_FIELD(CODE_PAGE_SIZE) &&
573 	    evsel__check_stype(evsel, PERF_SAMPLE_CODE_PAGE_SIZE, "CODE_PAGE_SIZE", PERF_OUTPUT_CODE_PAGE_SIZE))
574 		return -EINVAL;
575 
576 	if (PRINT_FIELD(INS_LAT) &&
577 	    evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_INS_LAT))
578 		return -EINVAL;
579 
580 	if (PRINT_FIELD(CGROUP) &&
581 	    evsel__check_stype(evsel, PERF_SAMPLE_CGROUP, "CGROUP", PERF_OUTPUT_CGROUP)) {
582 		pr_err("Hint: run 'perf record --all-cgroups ...'\n");
583 		return -EINVAL;
584 	}
585 
586 	if (PRINT_FIELD(RETIRE_LAT) &&
587 	    evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_RETIRE_LAT))
588 		return -EINVAL;
589 
590 	return 0;
591 }
592 
593 static void evsel__set_print_ip_opts(struct evsel *evsel)
594 {
595 	unsigned int type = evsel__output_type(evsel);
596 
597 	output[type].print_ip_opts = 0;
598 	if (PRINT_FIELD(IP))
599 		output[type].print_ip_opts |= EVSEL__PRINT_IP;
600 
601 	if (PRINT_FIELD(SYM))
602 		output[type].print_ip_opts |= EVSEL__PRINT_SYM;
603 
604 	if (PRINT_FIELD(DSO))
605 		output[type].print_ip_opts |= EVSEL__PRINT_DSO;
606 
607 	if (PRINT_FIELD(DSOFF))
608 		output[type].print_ip_opts |= EVSEL__PRINT_DSOFF;
609 
610 	if (PRINT_FIELD(SYMOFFSET))
611 		output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
612 
613 	if (PRINT_FIELD(SRCLINE))
614 		output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
615 }
616 
617 static struct evsel *find_first_output_type(struct evlist *evlist,
618 					    unsigned int type)
619 {
620 	struct evsel *evsel;
621 
622 	evlist__for_each_entry(evlist, evsel) {
623 		if (evsel__is_dummy_event(evsel))
624 			continue;
625 		if (evsel__output_type(evsel) == (int)type)
626 			return evsel;
627 	}
628 	return NULL;
629 }
630 
631 /*
632  * verify all user requested events exist and the samples
633  * have the expected data
634  */
635 static int perf_session__check_output_opt(struct perf_session *session)
636 {
637 	bool tod = false;
638 	unsigned int j;
639 	struct evsel *evsel;
640 
641 	for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
642 		evsel = find_first_output_type(session->evlist, j);
643 
644 		/*
645 		 * even if fields is set to 0 (ie., show nothing) event must
646 		 * exist if user explicitly includes it on the command line
647 		 */
648 		if (!evsel && output[j].user_set && !output[j].wildcard_set &&
649 		    j != OUTPUT_TYPE_SYNTH) {
650 			pr_err("%s events do not exist. "
651 			       "Remove corresponding -F option to proceed.\n",
652 			       event_type(j));
653 			return -1;
654 		}
655 
656 		if (evsel && output[j].fields &&
657 			evsel__check_attr(evsel, session))
658 			return -1;
659 
660 		if (evsel == NULL)
661 			continue;
662 
663 		/* 'dsoff' implys 'dso' field */
664 		if (output[j].fields & PERF_OUTPUT_DSOFF)
665 			output[j].fields |= PERF_OUTPUT_DSO;
666 
667 		evsel__set_print_ip_opts(evsel);
668 		tod |= output[j].fields & PERF_OUTPUT_TOD;
669 	}
670 
671 	if (!no_callchain) {
672 		bool use_callchain = false;
673 		bool not_pipe = false;
674 
675 		evlist__for_each_entry(session->evlist, evsel) {
676 			not_pipe = true;
677 			if (evsel__has_callchain(evsel) || evsel__is_offcpu_event(evsel)) {
678 				use_callchain = true;
679 				break;
680 			}
681 		}
682 		if (not_pipe && !use_callchain)
683 			symbol_conf.use_callchain = false;
684 	}
685 
686 	/*
687 	 * set default for tracepoints to print symbols only
688 	 * if callchains are present
689 	 */
690 	if (symbol_conf.use_callchain &&
691 	    !output[PERF_TYPE_TRACEPOINT].user_set) {
692 		j = PERF_TYPE_TRACEPOINT;
693 
694 		evlist__for_each_entry(session->evlist, evsel) {
695 			if (evsel->core.attr.type != j)
696 				continue;
697 
698 			if (evsel__has_callchain(evsel)) {
699 				output[j].fields |= PERF_OUTPUT_IP;
700 				output[j].fields |= PERF_OUTPUT_SYM;
701 				output[j].fields |= PERF_OUTPUT_SYMOFFSET;
702 				output[j].fields |= PERF_OUTPUT_DSO;
703 				evsel__set_print_ip_opts(evsel);
704 				goto out;
705 			}
706 		}
707 	}
708 
709 	if (tod && !perf_session__env(session)->clock.enabled) {
710 		pr_err("Can't provide 'tod' time, missing clock data. "
711 		       "Please record with -k/--clockid option.\n");
712 		return -1;
713 	}
714 out:
715 	return 0;
716 }
717 
718 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask,
719 				     uint16_t e_machine, uint32_t e_flags,
720 				     FILE *fp)
721 {
722 	unsigned i = 0, r;
723 	int printed = 0;
724 
725 	if (!regs || !regs->regs)
726 		return 0;
727 
728 	printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
729 
730 	for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
731 		u64 val = regs->regs[i++];
732 		printed += fprintf(fp, "%5s:0x%"PRIx64" ",
733 				   perf_reg_name(r, e_machine, e_flags),
734 				   val);
735 	}
736 
737 	return printed;
738 }
739 
740 #define DEFAULT_TOD_FMT "%F %H:%M:%S"
741 
742 static char*
743 tod_scnprintf(struct perf_script *script, char *buf, int buflen,
744 	     u64 timestamp)
745 {
746 	u64 tod_ns, clockid_ns;
747 	struct perf_env *env;
748 	unsigned long nsec;
749 	struct tm ltime;
750 	char date[64];
751 	time_t sec;
752 
753 	buf[0] = '\0';
754 	if (buflen < 64 || !script)
755 		return buf;
756 
757 	env = perf_session__env(script->session);
758 	if (!env->clock.enabled) {
759 		scnprintf(buf, buflen, "disabled");
760 		return buf;
761 	}
762 
763 	clockid_ns = env->clock.clockid_ns;
764 	tod_ns     = env->clock.tod_ns;
765 
766 	if (timestamp > clockid_ns)
767 		tod_ns += timestamp - clockid_ns;
768 	else
769 		tod_ns -= clockid_ns - timestamp;
770 
771 	sec  = (time_t) (tod_ns / NSEC_PER_SEC);
772 	nsec = tod_ns - sec * NSEC_PER_SEC;
773 
774 	if (localtime_r(&sec, &ltime) == NULL) {
775 		scnprintf(buf, buflen, "failed");
776 	} else {
777 		strftime(date, sizeof(date), DEFAULT_TOD_FMT, &ltime);
778 
779 		if (symbol_conf.nanosecs) {
780 			snprintf(buf, buflen, "%s.%09lu", date, nsec);
781 		} else {
782 			snprintf(buf, buflen, "%s.%06lu",
783 				 date, nsec / NSEC_PER_USEC);
784 		}
785 	}
786 
787 	return buf;
788 }
789 
790 static int perf_sample__fprintf_iregs(struct perf_sample *sample,
791 				      struct perf_event_attr *attr,
792 				      uint16_t e_machine,
793 				      uint32_t e_flags,
794 				      FILE *fp)
795 {
796 	if (!sample->intr_regs)
797 		return 0;
798 
799 	return perf_sample__fprintf_regs(perf_sample__intr_regs(sample),
800 					 attr->sample_regs_intr, e_machine, e_flags, fp);
801 }
802 
803 static int perf_sample__fprintf_uregs(struct perf_sample *sample,
804 				      struct perf_event_attr *attr,
805 				      uint16_t e_machine,
806 				      uint32_t e_flags,
807 				      FILE *fp)
808 {
809 	if (!sample->user_regs)
810 		return 0;
811 
812 	return perf_sample__fprintf_regs(perf_sample__user_regs(sample),
813 					 attr->sample_regs_user, e_machine, e_flags, fp);
814 }
815 
816 static int perf_sample__fprintf_start(struct perf_script *script,
817 				      struct perf_sample *sample,
818 				      struct thread *thread,
819 				      struct evsel *evsel,
820 				      u32 type, FILE *fp)
821 {
822 	unsigned long secs;
823 	unsigned long long nsecs;
824 	int printed = 0;
825 	char tstr[128];
826 
827 	/*
828 	 * Print the branch counter's abbreviation list,
829 	 * if the branch counter is available.
830 	 */
831 	if (PRINT_FIELD(BRCNTR) && !verbose) {
832 		char *buf;
833 
834 		if (!annotation_br_cntr_abbr_list(&buf, evsel, true)) {
835 			printed += fprintf(stdout, "%s", buf);
836 			free(buf);
837 		}
838 	}
839 
840 	if (PRINT_FIELD(MACHINE_PID) && sample->machine_pid)
841 		printed += fprintf(fp, "VM:%5d ", sample->machine_pid);
842 
843 	/* Print VCPU only for guest events i.e. with machine_pid */
844 	if (PRINT_FIELD(VCPU) && sample->machine_pid)
845 		printed += fprintf(fp, "VCPU:%03d ", sample->vcpu);
846 
847 	if (PRINT_FIELD(COMM)) {
848 		const char *comm = thread ? thread__comm_str(thread) : ":-1";
849 
850 		if (latency_format)
851 			printed += fprintf(fp, "%8.8s ", comm);
852 		else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
853 			printed += fprintf(fp, "%s ", comm);
854 		else
855 			printed += fprintf(fp, "%16s ", comm);
856 	}
857 
858 	if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
859 		printed += fprintf(fp, "%7d/%-7d ", sample->pid, sample->tid);
860 	else if (PRINT_FIELD(PID))
861 		printed += fprintf(fp, "%7d ", sample->pid);
862 	else if (PRINT_FIELD(TID))
863 		printed += fprintf(fp, "%7d ", sample->tid);
864 
865 	if (PRINT_FIELD(CPU)) {
866 		if (latency_format)
867 			printed += fprintf(fp, "%3d ", sample->cpu);
868 		else
869 			printed += fprintf(fp, "[%03d] ", sample->cpu);
870 	}
871 
872 	if (PRINT_FIELD(MISC)) {
873 		int ret = 0;
874 
875 		#define has(m) \
876 			(sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
877 
878 		if (has(KERNEL))
879 			ret += fprintf(fp, "K");
880 		if (has(USER))
881 			ret += fprintf(fp, "U");
882 		if (has(HYPERVISOR))
883 			ret += fprintf(fp, "H");
884 		if (has(GUEST_KERNEL))
885 			ret += fprintf(fp, "G");
886 		if (has(GUEST_USER))
887 			ret += fprintf(fp, "g");
888 
889 		switch (type) {
890 		case PERF_RECORD_MMAP:
891 		case PERF_RECORD_MMAP2:
892 			if (has(MMAP_DATA))
893 				ret += fprintf(fp, "M");
894 			break;
895 		case PERF_RECORD_COMM:
896 			if (has(COMM_EXEC))
897 				ret += fprintf(fp, "E");
898 			break;
899 		case PERF_RECORD_SWITCH:
900 		case PERF_RECORD_SWITCH_CPU_WIDE:
901 			if (has(SWITCH_OUT)) {
902 				ret += fprintf(fp, "S");
903 				if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
904 					ret += fprintf(fp, "p");
905 			}
906 		default:
907 			break;
908 		}
909 
910 		#undef has
911 
912 		ret += fprintf(fp, "%*s", 6 - ret, " ");
913 		printed += ret;
914 	}
915 
916 	if (PRINT_FIELD(TOD)) {
917 		tod_scnprintf(script, tstr, sizeof(tstr), sample->time);
918 		printed += fprintf(fp, "%s ", tstr);
919 	}
920 
921 	if (PRINT_FIELD(TIME)) {
922 		u64 t = sample->time;
923 		if (reltime) {
924 			if (!initial_time)
925 				initial_time = sample->time;
926 			t = sample->time - initial_time;
927 		} else if (deltatime) {
928 			if (previous_time)
929 				t = sample->time - previous_time;
930 			else {
931 				t = 0;
932 			}
933 			previous_time = sample->time;
934 		}
935 		nsecs = t;
936 		secs = nsecs / NSEC_PER_SEC;
937 		nsecs -= secs * NSEC_PER_SEC;
938 
939 		if (symbol_conf.nanosecs)
940 			printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
941 		else {
942 			char sample_time[32];
943 			timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time));
944 			printed += fprintf(fp, "%12s: ", sample_time);
945 		}
946 	}
947 
948 	return printed;
949 }
950 
951 static inline size_t
952 bstack_event_str(struct branch_entry *br, char *buf, size_t sz)
953 {
954 	if (!(br->flags.mispred || br->flags.predicted || br->flags.not_taken))
955 		return snprintf(buf, sz, "-");
956 
957 	return snprintf(buf, sz, "%s%s",
958 			br->flags.predicted ? "P" : "M",
959 			br->flags.not_taken ? "N" : "");
960 }
961 
962 static int print_bstack_flags(FILE *fp, struct branch_entry *br)
963 {
964 	char events[16] = { 0 };
965 	size_t pos;
966 
967 	pos = bstack_event_str(br, events, sizeof(events));
968 	return fprintf(fp, "/%s/%c/%c/%d/%s/%s ",
969 		       pos < 0 ? "-" : events,
970 		       br->flags.in_tx ? 'X' : '-',
971 		       br->flags.abort ? 'A' : '-',
972 		       br->flags.cycles,
973 		       get_branch_type(br),
974 		       br->flags.spec ? branch_spec_desc(br->flags.spec) : "-");
975 }
976 
977 static int perf_sample__fprintf_brstack(struct perf_sample *sample,
978 					struct thread *thread,
979 					struct evsel *evsel, FILE *fp)
980 {
981 	struct branch_stack *br = sample->branch_stack;
982 	struct branch_entry *entries = perf_sample__branch_entries(sample);
983 	u64 i, from, to;
984 	int printed = 0;
985 
986 	if (!(br && br->nr))
987 		return 0;
988 
989 	for (i = 0; i < br->nr; i++) {
990 		from = entries[i].from;
991 		to   = entries[i].to;
992 
993 		printed += fprintf(fp, " 0x%"PRIx64, from);
994 		if (PRINT_FIELD(DSO)) {
995 			struct addr_location alf, alt;
996 
997 			addr_location__init(&alf);
998 			addr_location__init(&alt);
999 			thread__find_map_fb(thread, sample->cpumode, from, &alf);
1000 			thread__find_map_fb(thread, sample->cpumode, to, &alt);
1001 
1002 			printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp);
1003 			printed += fprintf(fp, "/0x%"PRIx64, to);
1004 			printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp);
1005 			addr_location__exit(&alt);
1006 			addr_location__exit(&alf);
1007 		} else
1008 			printed += fprintf(fp, "/0x%"PRIx64, to);
1009 
1010 		printed += print_bstack_flags(fp, entries + i);
1011 	}
1012 
1013 	return printed;
1014 }
1015 
1016 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
1017 					   struct thread *thread,
1018 					   struct evsel *evsel, FILE *fp)
1019 {
1020 	struct branch_stack *br = sample->branch_stack;
1021 	struct branch_entry *entries = perf_sample__branch_entries(sample);
1022 	u64 i, from, to;
1023 	int printed = 0;
1024 
1025 	if (!(br && br->nr))
1026 		return 0;
1027 
1028 	for (i = 0; i < br->nr; i++) {
1029 		struct addr_location alf, alt;
1030 
1031 		addr_location__init(&alf);
1032 		addr_location__init(&alt);
1033 		from = entries[i].from;
1034 		to   = entries[i].to;
1035 
1036 		thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
1037 		thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
1038 
1039 		printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
1040 		if (PRINT_FIELD(DSO))
1041 			printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp);
1042 		printed += fprintf(fp, "%c", '/');
1043 		printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
1044 		if (PRINT_FIELD(DSO))
1045 			printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp);
1046 		printed += print_bstack_flags(fp, entries + i);
1047 		addr_location__exit(&alt);
1048 		addr_location__exit(&alf);
1049 	}
1050 
1051 	return printed;
1052 }
1053 
1054 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
1055 					   struct thread *thread,
1056 					   struct evsel *evsel, FILE *fp)
1057 {
1058 	struct branch_stack *br = sample->branch_stack;
1059 	struct branch_entry *entries = perf_sample__branch_entries(sample);
1060 	u64 i, from, to;
1061 	int printed = 0;
1062 
1063 	if (!(br && br->nr))
1064 		return 0;
1065 
1066 	for (i = 0; i < br->nr; i++) {
1067 		struct addr_location alf, alt;
1068 
1069 		addr_location__init(&alf);
1070 		addr_location__init(&alt);
1071 		from = entries[i].from;
1072 		to   = entries[i].to;
1073 
1074 		if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
1075 		    !dso__adjust_symbols(map__dso(alf.map)))
1076 			from = map__dso_map_ip(alf.map, from);
1077 
1078 		if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
1079 		    !dso__adjust_symbols(map__dso(alt.map)))
1080 			to = map__dso_map_ip(alt.map, to);
1081 
1082 		printed += fprintf(fp, " 0x%"PRIx64, from);
1083 		if (PRINT_FIELD(DSO))
1084 			printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp);
1085 		printed += fprintf(fp, "/0x%"PRIx64, to);
1086 		if (PRINT_FIELD(DSO))
1087 			printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp);
1088 		printed += print_bstack_flags(fp, entries + i);
1089 		addr_location__exit(&alt);
1090 		addr_location__exit(&alf);
1091 	}
1092 
1093 	return printed;
1094 }
1095 #define MAXBB 16384UL
1096 
1097 static int grab_bb(u8 *buffer, u64 start, u64 end,
1098 		    struct machine *machine, struct thread *thread,
1099 		    bool *is64bit, u8 *cpumode, bool last)
1100 {
1101 	long offset, len;
1102 	struct addr_location al;
1103 	bool kernel;
1104 	struct dso *dso;
1105 	int ret = 0;
1106 
1107 	if (!start || !end)
1108 		return 0;
1109 
1110 	kernel = machine__kernel_ip(machine, start);
1111 	if (kernel)
1112 		*cpumode = PERF_RECORD_MISC_KERNEL;
1113 	else
1114 		*cpumode = PERF_RECORD_MISC_USER;
1115 
1116 	/*
1117 	 * Block overlaps between kernel and user.
1118 	 * This can happen due to ring filtering
1119 	 * On Intel CPUs the entry into the kernel is filtered,
1120 	 * but the exit is not. Let the caller patch it up.
1121 	 */
1122 	if (kernel != machine__kernel_ip(machine, end)) {
1123 		pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
1124 		return -ENXIO;
1125 	}
1126 
1127 	if (end - start > MAXBB - MAXINSN) {
1128 		if (last)
1129 			pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
1130 		else
1131 			pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
1132 		return 0;
1133 	}
1134 
1135 	addr_location__init(&al);
1136 	if (!thread__find_map(thread, *cpumode, start, &al) || (dso = map__dso(al.map)) == NULL) {
1137 		pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1138 		goto out;
1139 	}
1140 	if (dso__data(dso)->status == DSO_DATA_STATUS_ERROR) {
1141 		pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1142 		goto out;
1143 	}
1144 
1145 	/* Load maps to ensure dso->is_64_bit has been updated */
1146 	map__load(al.map);
1147 
1148 	offset = map__map_ip(al.map, start);
1149 	len = dso__data_read_offset(dso, machine, offset, (u8 *)buffer,
1150 				    end - start + MAXINSN);
1151 
1152 	*is64bit = dso__is_64_bit(dso);
1153 	if (len <= 0)
1154 		pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
1155 			start, end);
1156 	ret = len;
1157 out:
1158 	addr_location__exit(&al);
1159 	return ret;
1160 }
1161 
1162 static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state)
1163 {
1164 	char *srcfile;
1165 	int ret = 0;
1166 	unsigned line;
1167 	int len;
1168 	char *srccode;
1169 	struct dso *dso;
1170 
1171 	if (!map || (dso = map__dso(map)) == NULL)
1172 		return 0;
1173 	srcfile = get_srcline_split(dso,
1174 				    map__rip_2objdump(map, addr),
1175 				    &line);
1176 	if (!srcfile)
1177 		return 0;
1178 
1179 	/* Avoid redundant printing */
1180 	if (state &&
1181 	    state->srcfile &&
1182 	    !strcmp(state->srcfile, srcfile) &&
1183 	    state->line == line) {
1184 		free(srcfile);
1185 		return 0;
1186 	}
1187 
1188 	srccode = find_sourceline(srcfile, line, &len);
1189 	if (!srccode)
1190 		goto out_free_line;
1191 
1192 	ret = fprintf(fp, "|%-8d %.*s", line, len, srccode);
1193 
1194 	if (state) {
1195 		state->srcfile = srcfile;
1196 		state->line = line;
1197 	}
1198 	return ret;
1199 
1200 out_free_line:
1201 	free(srcfile);
1202 	return ret;
1203 }
1204 
1205 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr)
1206 {
1207 	struct addr_location al;
1208 	int ret = 0;
1209 
1210 	addr_location__init(&al);
1211 	thread__find_map(thread, cpumode, addr, &al);
1212 	if (!al.map)
1213 		goto out;
1214 	ret = map__fprintf_srccode(al.map, al.addr, stdout,
1215 				   thread__srccode_state(thread));
1216 	if (ret)
1217 		ret += printf("\n");
1218 out:
1219 	addr_location__exit(&al);
1220 	return ret;
1221 }
1222 
1223 static int any_dump_insn(struct evsel *evsel __maybe_unused,
1224 			 struct perf_insn *x, uint64_t ip,
1225 			 u8 *inbuf, int inlen, int *lenp,
1226 			 FILE *fp)
1227 {
1228 	if (PRINT_FIELD(BRSTACKDISASM)) {
1229 		int printed = fprintf_insn_asm(x->machine, x->thread, x->cpumode, x->is64bit,
1230 					       (uint8_t *)inbuf, inlen, ip, lenp,
1231 					       PRINT_INSN_IMM_HEX, fp);
1232 
1233 		if (printed > 0)
1234 			return printed;
1235 	}
1236 	return fprintf(fp, "%s", dump_insn(x, ip, inbuf, inlen, lenp));
1237 }
1238 
1239 static int add_padding(FILE *fp, int printed, int padding)
1240 {
1241 	if (printed >= 0 && printed < padding)
1242 		printed += fprintf(fp, "%*s", padding - printed, "");
1243 	return printed;
1244 }
1245 
1246 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
1247 			    struct perf_insn *x, u8 *inbuf, int len,
1248 			    int insn, FILE *fp, int *total_cycles,
1249 			    struct evsel *evsel,
1250 			    struct thread *thread,
1251 			    u64 br_cntr)
1252 {
1253 	int ilen = 0;
1254 	int printed = fprintf(fp, "\t%016" PRIx64 "\t", ip);
1255 
1256 	printed += add_padding(fp, any_dump_insn(evsel, x, ip, inbuf, len, &ilen, fp), 30);
1257 	printed += fprintf(fp, "\t");
1258 
1259 	if (PRINT_FIELD(BRSTACKINSNLEN))
1260 		printed += fprintf(fp, "ilen: %d\t", ilen);
1261 
1262 	if (PRINT_FIELD(SRCLINE)) {
1263 		struct addr_location al;
1264 
1265 		addr_location__init(&al);
1266 		thread__find_map(thread, x->cpumode, ip, &al);
1267 		printed += map__fprintf_srcline(al.map, al.addr, " srcline: ", fp);
1268 		printed += fprintf(fp, "\t");
1269 		addr_location__exit(&al);
1270 	}
1271 
1272 	if (PRINT_FIELD(BRCNTR)) {
1273 		struct evsel *pos = evsel__leader(evsel);
1274 		unsigned int i = 0, j, num, mask, width, numprinted = 0;
1275 
1276 		perf_env__find_br_cntr_info(evsel__env(evsel), NULL, &width);
1277 		mask = (1L << width) - 1;
1278 		printed += fprintf(fp, "\t# br_cntr: ");
1279 		evlist__for_each_entry_from(evsel->evlist, pos) {
1280 			if (!(pos->core.attr.branch_sample_type & PERF_SAMPLE_BRANCH_COUNTERS))
1281 				continue;
1282 			if (evsel__leader(pos) != evsel__leader(evsel))
1283 				break;
1284 
1285 			num = (br_cntr >> (i++ * width)) & mask;
1286 			numprinted += num;
1287 			if (!verbose) {
1288 				for (j = 0; j < num; j++)
1289 					printed += fprintf(fp, "%s", pos->abbr_name);
1290 			} else
1291 				printed += fprintf(fp, "%s %d ", pos->name, num);
1292 		}
1293 		if (numprinted == 0 && !verbose)
1294 			printed += fprintf(fp, "-");
1295 		printed += fprintf(fp, " ");
1296 	}
1297 
1298 	printed += fprintf(fp, "%s%s%s%s%s",
1299 			      !PRINT_FIELD(BRCNTR) ? "#" : "",
1300 			      en->flags.predicted ? " PRED" : "",
1301 			      en->flags.mispred ? " MISPRED" : "",
1302 			      en->flags.in_tx ? " INTX" : "",
1303 			      en->flags.abort ? " ABORT" : "");
1304 	if (en->flags.cycles) {
1305 		*total_cycles += en->flags.cycles;
1306 		printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles);
1307 		if (insn)
1308 			printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
1309 	}
1310 
1311 	return printed + fprintf(fp, "\n");
1312 }
1313 
1314 static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
1315 			   u8 cpumode, int cpu, struct symbol **lastsym,
1316 			   struct evsel *evsel, FILE *fp)
1317 {
1318 	struct addr_location al;
1319 	int off, printed = 0, ret = 0;
1320 
1321 	addr_location__init(&al);
1322 	thread__find_map(thread, cpumode, addr, &al);
1323 
1324 	if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
1325 		goto out;
1326 
1327 	al.cpu = cpu;
1328 	al.sym = NULL;
1329 	if (al.map)
1330 		al.sym = map__find_symbol(al.map, al.addr);
1331 
1332 	if (!al.sym)
1333 		goto out;
1334 
1335 	if (al.addr < al.sym->end)
1336 		off = al.addr - al.sym->start;
1337 	else
1338 		off = al.addr - map__start(al.map) - al.sym->start;
1339 	printed += fprintf(fp, "\t%s", al.sym->name);
1340 	if (off)
1341 		printed += fprintf(fp, "%+d", off);
1342 	printed += fprintf(fp, ":");
1343 	if (PRINT_FIELD(SRCLINE))
1344 		printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
1345 	printed += fprintf(fp, "\n");
1346 	*lastsym = al.sym;
1347 
1348 	ret = printed;
1349 out:
1350 	addr_location__exit(&al);
1351 	return ret;
1352 }
1353 
1354 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
1355 					    struct evsel *evsel,
1356 					    struct thread *thread,
1357 					    struct perf_event_attr *attr,
1358 					    struct machine *machine, FILE *fp)
1359 {
1360 	struct branch_stack *br = sample->branch_stack;
1361 	struct branch_entry *entries = perf_sample__branch_entries(sample);
1362 	u64 start, end;
1363 	int i, insn, len, nr, ilen, printed = 0;
1364 	struct perf_insn x;
1365 	u8 buffer[MAXBB];
1366 	unsigned off;
1367 	struct symbol *lastsym = NULL;
1368 	int total_cycles = 0;
1369 	u64 br_cntr = 0;
1370 
1371 	if (!(br && br->nr))
1372 		return 0;
1373 	nr = br->nr;
1374 	if (max_blocks && nr > max_blocks + 1)
1375 		nr = max_blocks + 1;
1376 
1377 	x.thread = thread;
1378 	x.machine = machine;
1379 	x.cpu = sample->cpu;
1380 
1381 	if (PRINT_FIELD(BRCNTR) && sample->branch_stack_cntr)
1382 		br_cntr = sample->branch_stack_cntr[nr - 1];
1383 
1384 	printed += fprintf(fp, "%c", '\n');
1385 
1386 	/* Handle first from jump, of which we don't know the entry. */
1387 	len = grab_bb(buffer, entries[nr-1].from,
1388 			entries[nr-1].from,
1389 			machine, thread, &x.is64bit, &x.cpumode, false);
1390 	if (len > 0) {
1391 		printed += ip__fprintf_sym(entries[nr - 1].from, thread,
1392 					   x.cpumode, x.cpu, &lastsym, evsel, fp);
1393 		printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1],
1394 					    &x, buffer, len, 0, fp, &total_cycles,
1395 					    evsel, thread, br_cntr);
1396 		if (PRINT_FIELD(SRCCODE))
1397 			printed += print_srccode(thread, x.cpumode, entries[nr - 1].from);
1398 	}
1399 
1400 	/* Print all blocks */
1401 	for (i = nr - 2; i >= 0; i--) {
1402 		if (entries[i].from || entries[i].to)
1403 			pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1404 				 entries[i].from,
1405 				 entries[i].to);
1406 		start = entries[i + 1].to;
1407 		end   = entries[i].from;
1408 
1409 		len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1410 		/* Patch up missing kernel transfers due to ring filters */
1411 		if (len == -ENXIO && i > 0) {
1412 			end = entries[--i].from;
1413 			pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1414 			len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1415 		}
1416 		if (len <= 0)
1417 			continue;
1418 
1419 		insn = 0;
1420 		for (off = 0; off < (unsigned)len; off += ilen) {
1421 			uint64_t ip = start + off;
1422 
1423 			printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, evsel, fp);
1424 			if (ip == end) {
1425 				if (PRINT_FIELD(BRCNTR) && sample->branch_stack_cntr)
1426 					br_cntr = sample->branch_stack_cntr[i];
1427 				printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp,
1428 							    &total_cycles, evsel, thread, br_cntr);
1429 				if (PRINT_FIELD(SRCCODE))
1430 					printed += print_srccode(thread, x.cpumode, ip);
1431 				break;
1432 			} else {
1433 				ilen = 0;
1434 				printed += fprintf(fp, "\t%016" PRIx64 "\t", ip);
1435 				printed += any_dump_insn(evsel, &x, ip, buffer + off, len - off, &ilen, fp);
1436 				if (PRINT_FIELD(BRSTACKINSNLEN))
1437 					printed += fprintf(fp, "\tilen: %d", ilen);
1438 				printed += fprintf(fp, "\n");
1439 				if (ilen == 0)
1440 					break;
1441 				if (PRINT_FIELD(SRCCODE))
1442 					print_srccode(thread, x.cpumode, ip);
1443 				insn++;
1444 			}
1445 		}
1446 		if (off != end - start)
1447 			printed += fprintf(fp, "\tmismatch of LBR data and executable\n");
1448 	}
1449 
1450 	/*
1451 	 * Hit the branch? In this case we are already done, and the target
1452 	 * has not been executed yet.
1453 	 */
1454 	if (entries[0].from == sample->ip)
1455 		goto out;
1456 	if (entries[0].flags.abort)
1457 		goto out;
1458 
1459 	/*
1460 	 * Print final block up to sample
1461 	 *
1462 	 * Due to pipeline delays the LBRs might be missing a branch
1463 	 * or two, which can result in very large or negative blocks
1464 	 * between final branch and sample. When this happens just
1465 	 * continue walking after the last TO.
1466 	 */
1467 	start = entries[0].to;
1468 	end = sample->ip;
1469 	if (end < start) {
1470 		/* Missing jump. Scan 128 bytes for the next branch */
1471 		end = start + 128;
1472 	}
1473 	len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1474 	printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, evsel, fp);
1475 	if (len <= 0) {
1476 		/* Print at least last IP if basic block did not work */
1477 		len = grab_bb(buffer, sample->ip, sample->ip,
1478 			      machine, thread, &x.is64bit, &x.cpumode, false);
1479 		if (len <= 0)
1480 			goto out;
1481 		ilen = 0;
1482 		printed += fprintf(fp, "\t%016" PRIx64 "\t", sample->ip);
1483 		printed += any_dump_insn(evsel, &x, sample->ip, buffer, len, &ilen, fp);
1484 		if (PRINT_FIELD(BRSTACKINSNLEN))
1485 			printed += fprintf(fp, "\tilen: %d", ilen);
1486 		printed += fprintf(fp, "\n");
1487 		if (PRINT_FIELD(SRCCODE))
1488 			print_srccode(thread, x.cpumode, sample->ip);
1489 		goto out;
1490 	}
1491 	for (off = 0; off <= end - start; off += ilen) {
1492 		ilen = 0;
1493 		printed += fprintf(fp, "\t%016" PRIx64 "\t", start + off);
1494 		printed += any_dump_insn(evsel, &x, start + off, buffer + off, len - off, &ilen, fp);
1495 		if (PRINT_FIELD(BRSTACKINSNLEN))
1496 			printed += fprintf(fp, "\tilen: %d", ilen);
1497 		printed += fprintf(fp, "\n");
1498 		if (ilen == 0)
1499 			break;
1500 		if ((attr->branch_sample_type == 0 || attr->branch_sample_type & PERF_SAMPLE_BRANCH_ANY)
1501 				&& arch_is_uncond_branch(buffer + off, len - off, x.is64bit)
1502 				&& start + off != sample->ip) {
1503 			/*
1504 			 * Hit a missing branch. Just stop.
1505 			 */
1506 			printed += fprintf(fp, "\t... not reaching sample ...\n");
1507 			break;
1508 		}
1509 		if (PRINT_FIELD(SRCCODE))
1510 			print_srccode(thread, x.cpumode, start + off);
1511 	}
1512 out:
1513 	return printed;
1514 }
1515 
1516 static int perf_sample__fprintf_addr(struct perf_sample *sample,
1517 				     struct thread *thread,
1518 				     struct evsel *evsel, FILE *fp)
1519 {
1520 	struct addr_location al;
1521 	int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1522 
1523 	addr_location__init(&al);
1524 	if (!sample_addr_correlates_sym(&evsel->core.attr))
1525 		goto out;
1526 
1527 	thread__resolve(thread, &al, sample);
1528 
1529 	if (PRINT_FIELD(SYM)) {
1530 		printed += fprintf(fp, " ");
1531 		if (PRINT_FIELD(SYMOFFSET))
1532 			printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1533 		else
1534 			printed += symbol__fprintf_symname(al.sym, fp);
1535 	}
1536 
1537 	if (PRINT_FIELD(DSO))
1538 		printed += map__fprintf_dsoname_dsoff(al.map, PRINT_FIELD(DSOFF), al.addr, fp);
1539 out:
1540 	addr_location__exit(&al);
1541 	return printed;
1542 }
1543 
1544 static const char *resolve_branch_sym(struct perf_sample *sample,
1545 				      struct evsel *evsel,
1546 				      struct thread *thread,
1547 				      struct addr_location *al,
1548 				      struct addr_location *addr_al,
1549 				      u64 *ip)
1550 {
1551 	const char *name = NULL;
1552 
1553 	if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1554 		if (sample_addr_correlates_sym(&evsel->core.attr)) {
1555 			if (!addr_al->thread)
1556 				thread__resolve(thread, addr_al, sample);
1557 			if (addr_al->sym)
1558 				name = addr_al->sym->name;
1559 			else
1560 				*ip = sample->addr;
1561 		} else {
1562 			*ip = sample->addr;
1563 		}
1564 	} else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1565 		if (al->sym)
1566 			name = al->sym->name;
1567 		else
1568 			*ip = sample->ip;
1569 	}
1570 	return name;
1571 }
1572 
1573 static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1574 					   struct evsel *evsel,
1575 					   struct thread *thread,
1576 					   struct addr_location *al,
1577 					   struct addr_location *addr_al,
1578 					   FILE *fp)
1579 {
1580 	size_t depth = thread_stack__depth(thread, sample->cpu);
1581 	const char *name = NULL;
1582 	static int spacing;
1583 	int len = 0;
1584 	int dlen = 0;
1585 	u64 ip = 0;
1586 
1587 	/*
1588 	 * The 'return' has already been popped off the stack so the depth has
1589 	 * to be adjusted to match the 'call'.
1590 	 */
1591 	if (thread__ts(thread) && sample->flags & PERF_IP_FLAG_RETURN)
1592 		depth += 1;
1593 
1594 	name = resolve_branch_sym(sample, evsel, thread, al, addr_al, &ip);
1595 
1596 	if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
1597 		dlen += fprintf(fp, "(");
1598 		dlen += map__fprintf_dsoname(al->map, fp);
1599 		dlen += fprintf(fp, ")\t");
1600 	}
1601 
1602 	if (name)
1603 		len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1604 	else if (ip)
1605 		len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1606 
1607 	if (len < 0)
1608 		return len;
1609 
1610 	/*
1611 	 * Try to keep the output length from changing frequently so that the
1612 	 * output lines up more nicely.
1613 	 */
1614 	if (len > spacing || (len && len < spacing - 52))
1615 		spacing = round_up(len + 4, 32);
1616 
1617 	if (len < spacing)
1618 		len += fprintf(fp, "%*s", spacing - len, "");
1619 
1620 	return len + dlen;
1621 }
1622 
1623 static int perf_sample__fprintf_insn(struct perf_sample *sample,
1624 				     struct evsel *evsel,
1625 				     struct perf_event_attr *attr,
1626 				     struct thread *thread,
1627 				     struct machine *machine, FILE *fp,
1628 				     struct addr_location *al)
1629 {
1630 	int printed = 0;
1631 
1632 	perf_sample__fetch_insn(sample, thread, machine);
1633 
1634 	if (PRINT_FIELD(INSNLEN))
1635 		printed += fprintf(fp, " ilen: %d", sample->insn_len);
1636 	if (PRINT_FIELD(INSN) && sample->insn_len) {
1637 		printed += fprintf(fp, " insn: ");
1638 		printed += sample__fprintf_insn_raw(sample, fp);
1639 	}
1640 	if (PRINT_FIELD(DISASM) && sample->insn_len) {
1641 		printed += fprintf(fp, "\t\t");
1642 		printed += sample__fprintf_insn_asm(sample, thread, machine, fp, al);
1643 	}
1644 	if (PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN) || PRINT_FIELD(BRSTACKDISASM))
1645 		printed += perf_sample__fprintf_brstackinsn(sample, evsel, thread, attr, machine, fp);
1646 
1647 	return printed;
1648 }
1649 
1650 static int perf_sample__fprintf_ipc(struct perf_sample *sample,
1651 				    struct evsel *evsel, FILE *fp)
1652 {
1653 	unsigned int ipc;
1654 
1655 	if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt)
1656 		return 0;
1657 
1658 	ipc = (sample->insn_cnt * 100) / sample->cyc_cnt;
1659 
1660 	return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ",
1661 		       ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt);
1662 }
1663 
1664 static int perf_sample__fprintf_bts(struct perf_sample *sample,
1665 				    struct evsel *evsel,
1666 				    struct thread *thread,
1667 				    struct addr_location *al,
1668 				    struct addr_location *addr_al,
1669 				    struct machine *machine, FILE *fp)
1670 {
1671 	struct perf_event_attr *attr = &evsel->core.attr;
1672 	unsigned int type = evsel__output_type(evsel);
1673 	bool print_srcline_last = false;
1674 	int printed = 0;
1675 
1676 	if (PRINT_FIELD(CALLINDENT))
1677 		printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, addr_al, fp);
1678 
1679 	/* print branch_from information */
1680 	if (PRINT_FIELD(IP)) {
1681 		unsigned int print_opts = output[type].print_ip_opts;
1682 		struct callchain_cursor *cursor = NULL;
1683 
1684 		if (symbol_conf.use_callchain && sample->callchain) {
1685 			cursor = get_tls_callchain_cursor();
1686 			if (thread__resolve_callchain(al->thread, cursor, evsel,
1687 						      sample, NULL, NULL,
1688 						      scripting_max_stack))
1689 				cursor = NULL;
1690 		}
1691 		if (cursor == NULL) {
1692 			printed += fprintf(fp, " ");
1693 			if (print_opts & EVSEL__PRINT_SRCLINE) {
1694 				print_srcline_last = true;
1695 				print_opts &= ~EVSEL__PRINT_SRCLINE;
1696 			}
1697 		} else
1698 			printed += fprintf(fp, "\n");
1699 
1700 		printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor,
1701 					       symbol_conf.bt_stop_list, fp);
1702 	}
1703 
1704 	/* print branch_to information */
1705 	if (PRINT_FIELD(ADDR) ||
1706 	    ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
1707 	     !output[type].user_set)) {
1708 		printed += fprintf(fp, " => ");
1709 		printed += perf_sample__fprintf_addr(sample, thread, evsel, fp);
1710 	}
1711 
1712 	printed += perf_sample__fprintf_ipc(sample, evsel, fp);
1713 
1714 	if (print_srcline_last)
1715 		printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
1716 
1717 	printed += perf_sample__fprintf_insn(sample, evsel, attr, thread, machine, fp, al);
1718 	printed += fprintf(fp, "\n");
1719 	if (PRINT_FIELD(SRCCODE)) {
1720 		int ret = map__fprintf_srccode(al->map, al->addr, stdout,
1721 					       thread__srccode_state(thread));
1722 		if (ret) {
1723 			printed += ret;
1724 			printed += printf("\n");
1725 		}
1726 	}
1727 	return printed;
1728 }
1729 
1730 static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1731 {
1732 	char str[SAMPLE_FLAGS_BUF_SIZE];
1733 	int ret;
1734 
1735 	ret = perf_sample__sprintf_flags(flags, str, sizeof(str));
1736 	if (ret < 0)
1737 		return fprintf(fp, "  raw flags:0x%-*x ",
1738 			       SAMPLE_FLAGS_STR_ALIGNED_SIZE - 12, flags);
1739 
1740 	return fprintf(fp, "  %-*s ", SAMPLE_FLAGS_STR_ALIGNED_SIZE, str);
1741 }
1742 
1743 struct printer_data {
1744 	int line_no;
1745 	bool hit_nul;
1746 	bool is_printable;
1747 };
1748 
1749 static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1750 				      unsigned int val,
1751 				      void *extra, FILE *fp)
1752 {
1753 	unsigned char ch = (unsigned char)val;
1754 	struct printer_data *printer_data = extra;
1755 	int printed = 0;
1756 
1757 	switch (op) {
1758 	case BINARY_PRINT_DATA_BEGIN:
1759 		printed += fprintf(fp, "\n");
1760 		break;
1761 	case BINARY_PRINT_LINE_BEGIN:
1762 		printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1763 						        "           ");
1764 		break;
1765 	case BINARY_PRINT_ADDR:
1766 		printed += fprintf(fp, " %04x:", val);
1767 		break;
1768 	case BINARY_PRINT_NUM_DATA:
1769 		printed += fprintf(fp, " %02x", val);
1770 		break;
1771 	case BINARY_PRINT_NUM_PAD:
1772 		printed += fprintf(fp, "   ");
1773 		break;
1774 	case BINARY_PRINT_SEP:
1775 		printed += fprintf(fp, "  ");
1776 		break;
1777 	case BINARY_PRINT_CHAR_DATA:
1778 		if (printer_data->hit_nul && ch)
1779 			printer_data->is_printable = false;
1780 
1781 		if (!isprint(ch)) {
1782 			printed += fprintf(fp, "%c", '.');
1783 
1784 			if (!printer_data->is_printable)
1785 				break;
1786 
1787 			if (ch == '\0')
1788 				printer_data->hit_nul = true;
1789 			else
1790 				printer_data->is_printable = false;
1791 		} else {
1792 			printed += fprintf(fp, "%c", ch);
1793 		}
1794 		break;
1795 	case BINARY_PRINT_CHAR_PAD:
1796 		printed += fprintf(fp, " ");
1797 		break;
1798 	case BINARY_PRINT_LINE_END:
1799 		printed += fprintf(fp, "\n");
1800 		printer_data->line_no++;
1801 		break;
1802 	case BINARY_PRINT_DATA_END:
1803 	default:
1804 		break;
1805 	}
1806 
1807 	return printed;
1808 }
1809 
1810 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1811 {
1812 	unsigned int nr_bytes = sample->raw_size;
1813 	struct printer_data printer_data = {0, false, true};
1814 	int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1815 				      sample__fprintf_bpf_output, &printer_data, fp);
1816 
1817 	if (printer_data.is_printable && printer_data.hit_nul)
1818 		printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1819 
1820 	return printed;
1821 }
1822 
1823 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1824 {
1825 	if (len > 0 && len < spacing)
1826 		return fprintf(fp, "%*s", spacing - len, "");
1827 
1828 	return 0;
1829 }
1830 
1831 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1832 {
1833 	return perf_sample__fprintf_spacing(len, 34, fp);
1834 }
1835 
1836 /* If a value contains only printable ASCII characters padded with NULLs */
1837 static bool ptw_is_prt(u64 val)
1838 {
1839 	char c;
1840 	u32 i;
1841 
1842 	for (i = 0; i < sizeof(val); i++) {
1843 		c = ((char *)&val)[i];
1844 		if (!c)
1845 			break;
1846 		if (!isprint(c) || !isascii(c))
1847 			return false;
1848 	}
1849 	for (; i < sizeof(val); i++) {
1850 		c = ((char *)&val)[i];
1851 		if (c)
1852 			return false;
1853 	}
1854 	return true;
1855 }
1856 
1857 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1858 {
1859 	struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1860 	char str[sizeof(u64) + 1] = "";
1861 	int len;
1862 	u64 val;
1863 
1864 	if (perf_sample__bad_synth_size(sample, *data))
1865 		return 0;
1866 
1867 	val = le64_to_cpu(data->payload);
1868 	if (ptw_is_prt(val)) {
1869 		memcpy(str, &val, sizeof(val));
1870 		str[sizeof(val)] = 0;
1871 	}
1872 	len = fprintf(fp, " IP: %u payload: %#" PRIx64 " %s ",
1873 		      data->ip, val, str);
1874 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1875 }
1876 
1877 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1878 {
1879 	struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1880 	int len;
1881 
1882 	if (perf_sample__bad_synth_size(sample, *data))
1883 		return 0;
1884 
1885 	len = fprintf(fp, " hints: %#x extensions: %#x ",
1886 		      data->hints, data->extensions);
1887 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1888 }
1889 
1890 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1891 {
1892 	struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1893 	int len;
1894 
1895 	if (perf_sample__bad_synth_size(sample, *data))
1896 		return 0;
1897 
1898 	len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1899 		      data->hw, data->cstate, data->subcstate);
1900 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1901 }
1902 
1903 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1904 {
1905 	struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1906 	int len;
1907 
1908 	if (perf_sample__bad_synth_size(sample, *data))
1909 		return 0;
1910 
1911 	len = fprintf(fp, " IP: %u ", data->ip);
1912 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1913 }
1914 
1915 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1916 {
1917 	struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1918 	int len;
1919 
1920 	if (perf_sample__bad_synth_size(sample, *data))
1921 		return 0;
1922 
1923 	len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1924 		     data->deepest_cstate, data->last_cstate,
1925 		     data->wake_reason);
1926 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1927 }
1928 
1929 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1930 {
1931 	struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1932 	unsigned int percent, freq;
1933 	int len;
1934 
1935 	if (perf_sample__bad_synth_size(sample, *data))
1936 		return 0;
1937 
1938 	freq = (le32_to_cpu(data->freq) + 500) / 1000;
1939 	len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1940 	if (data->max_nonturbo) {
1941 		percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1942 		len += fprintf(fp, "(%3u%%) ", percent);
1943 	}
1944 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1945 }
1946 
1947 static int perf_sample__fprintf_synth_psb(struct perf_sample *sample, FILE *fp)
1948 {
1949 	struct perf_synth_intel_psb *data = perf_sample__synth_ptr(sample);
1950 	int len;
1951 
1952 	if (perf_sample__bad_synth_size(sample, *data))
1953 		return 0;
1954 
1955 	len = fprintf(fp, " psb offs: %#" PRIx64, data->offset);
1956 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1957 }
1958 
1959 /* Intel PT Event Trace */
1960 static int perf_sample__fprintf_synth_evt(struct perf_sample *sample, FILE *fp)
1961 {
1962 	struct perf_synth_intel_evt *data = perf_sample__synth_ptr(sample);
1963 	const char *cfe[32] = {NULL, "INTR", "IRET", "SMI", "RSM", "SIPI",
1964 			       "INIT", "VMENTRY", "VMEXIT", "VMEXIT_INTR",
1965 			       "SHUTDOWN", NULL, "UINTR", "UIRET"};
1966 	const char *evd[64] = {"PFA", "VMXQ", "VMXR"};
1967 	const char *s;
1968 	int len, i;
1969 
1970 	if (perf_sample__bad_synth_size(sample, *data))
1971 		return 0;
1972 
1973 	s = cfe[data->type];
1974 	if (s) {
1975 		len = fprintf(fp, " cfe: %s IP: %d vector: %u",
1976 			      s, data->ip, data->vector);
1977 	} else {
1978 		len = fprintf(fp, " cfe: %u IP: %d vector: %u",
1979 			      data->type, data->ip, data->vector);
1980 	}
1981 	for (i = 0; i < data->evd_cnt; i++) {
1982 		unsigned int et = data->evd[i].evd_type & 0x3f;
1983 
1984 		s = evd[et];
1985 		if (s) {
1986 			len += fprintf(fp, " %s: %#" PRIx64,
1987 				       s, data->evd[i].payload);
1988 		} else {
1989 			len += fprintf(fp, " EVD_%u: %#" PRIx64,
1990 				       et, data->evd[i].payload);
1991 		}
1992 	}
1993 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1994 }
1995 
1996 static int perf_sample__fprintf_synth_iflag_chg(struct perf_sample *sample, FILE *fp)
1997 {
1998 	struct perf_synth_intel_iflag_chg *data = perf_sample__synth_ptr(sample);
1999 	int len;
2000 
2001 	if (perf_sample__bad_synth_size(sample, *data))
2002 		return 0;
2003 
2004 	len = fprintf(fp, " IFLAG: %d->%d %s branch", !data->iflag, data->iflag,
2005 		      data->via_branch ? "via" : "non");
2006 	return len + perf_sample__fprintf_pt_spacing(len, fp);
2007 }
2008 
2009 static int perf_sample__fprintf_synth_vpadtl(struct perf_sample *data, FILE *fp)
2010 {
2011 	struct powerpc_vpadtl_entry *dtl = (struct powerpc_vpadtl_entry *)data->raw_data;
2012 	int len;
2013 
2014 	len = fprintf(fp, "timebase: %" PRIu64 " dispatch_reason:%s, preempt_reason:%s,\n"
2015 			"enqueue_to_dispatch_time:%d, ready_to_enqueue_time:%d,"
2016 			"waiting_to_ready_time:%d, processor_id: %d",
2017 			get_unaligned_be64(&dtl->timebase),
2018 			dispatch_reasons[dtl->dispatch_reason],
2019 			preempt_reasons[dtl->preempt_reason],
2020 			be32_to_cpu(dtl->enqueue_to_dispatch_time),
2021 			be32_to_cpu(dtl->ready_to_enqueue_time),
2022 			be32_to_cpu(dtl->waiting_to_ready_time),
2023 			be16_to_cpu(dtl->processor_id));
2024 
2025 	return len;
2026 }
2027 
2028 static int perf_sample__fprintf_synth(struct perf_sample *sample,
2029 				      struct evsel *evsel, FILE *fp)
2030 {
2031 	switch (evsel->core.attr.config) {
2032 	case PERF_SYNTH_INTEL_PTWRITE:
2033 		return perf_sample__fprintf_synth_ptwrite(sample, fp);
2034 	case PERF_SYNTH_INTEL_MWAIT:
2035 		return perf_sample__fprintf_synth_mwait(sample, fp);
2036 	case PERF_SYNTH_INTEL_PWRE:
2037 		return perf_sample__fprintf_synth_pwre(sample, fp);
2038 	case PERF_SYNTH_INTEL_EXSTOP:
2039 		return perf_sample__fprintf_synth_exstop(sample, fp);
2040 	case PERF_SYNTH_INTEL_PWRX:
2041 		return perf_sample__fprintf_synth_pwrx(sample, fp);
2042 	case PERF_SYNTH_INTEL_CBR:
2043 		return perf_sample__fprintf_synth_cbr(sample, fp);
2044 	case PERF_SYNTH_INTEL_PSB:
2045 		return perf_sample__fprintf_synth_psb(sample, fp);
2046 	case PERF_SYNTH_INTEL_EVT:
2047 		return perf_sample__fprintf_synth_evt(sample, fp);
2048 	case PERF_SYNTH_INTEL_IFLAG_CHG:
2049 		return perf_sample__fprintf_synth_iflag_chg(sample, fp);
2050 	case PERF_SYNTH_POWERPC_VPA_DTL:
2051 		return perf_sample__fprintf_synth_vpadtl(sample, fp);
2052 	default:
2053 		break;
2054 	}
2055 
2056 	return 0;
2057 }
2058 
2059 static int evlist__max_name_len(struct evlist *evlist)
2060 {
2061 	struct evsel *evsel;
2062 	int max = 0;
2063 
2064 	evlist__for_each_entry(evlist, evsel) {
2065 		int len = strlen(evsel__name(evsel));
2066 
2067 		max = MAX(len, max);
2068 	}
2069 
2070 	return max;
2071 }
2072 
2073 static int data_src__fprintf(u64 data_src, FILE *fp)
2074 {
2075 	struct mem_info *mi = mem_info__new();
2076 	char decode[100];
2077 	char out[100];
2078 	static int maxlen;
2079 	int len;
2080 
2081 	if (!mi)
2082 		return -ENOMEM;
2083 
2084 	mem_info__data_src(mi)->val = data_src;
2085 	perf_script__meminfo_scnprintf(decode, 100, mi);
2086 	mem_info__put(mi);
2087 
2088 	len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
2089 	if (maxlen < len)
2090 		maxlen = len;
2091 
2092 	return fprintf(fp, "%-*s", maxlen, out);
2093 }
2094 
2095 struct metric_ctx {
2096 	struct perf_sample	*sample;
2097 	struct thread		*thread;
2098 	struct evsel	*evsel;
2099 	FILE 			*fp;
2100 };
2101 
2102 static void script_print_metric(struct perf_stat_config *config __maybe_unused,
2103 				void *ctx, enum metric_threshold_classify thresh,
2104 				const char *fmt, const char *unit, double val)
2105 {
2106 	struct metric_ctx *mctx = ctx;
2107 	const char *color = metric_threshold_classify__color(thresh);
2108 
2109 	if (!fmt)
2110 		return;
2111 	perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
2112 				   PERF_RECORD_SAMPLE, mctx->fp);
2113 	fputs("\tmetric: ", mctx->fp);
2114 	if (color)
2115 		color_fprintf(mctx->fp, color, fmt, val);
2116 	else
2117 		printf(fmt, val);
2118 	fprintf(mctx->fp, " %s\n", unit);
2119 }
2120 
2121 static void script_new_line(struct perf_stat_config *config __maybe_unused,
2122 			    void *ctx)
2123 {
2124 	struct metric_ctx *mctx = ctx;
2125 
2126 	perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
2127 				   PERF_RECORD_SAMPLE, mctx->fp);
2128 	fputs("\tmetric: ", mctx->fp);
2129 }
2130 
2131 struct script_find_metrics_args {
2132 	struct evlist *evlist;
2133 	bool system_wide;
2134 };
2135 
2136 static struct evsel *map_metric_evsel_to_script_evsel(struct evlist *script_evlist,
2137 						      struct evsel *metric_evsel)
2138 {
2139 	struct evsel *script_evsel;
2140 
2141 	evlist__for_each_entry(script_evlist, script_evsel) {
2142 		/* Skip if perf_event_attr differ. */
2143 		if (metric_evsel->core.attr.type != script_evsel->core.attr.type)
2144 			continue;
2145 		if (metric_evsel->core.attr.config != script_evsel->core.attr.config)
2146 			continue;
2147 		/* Skip if the script event has a metric_id that doesn't match. */
2148 		if (script_evsel->metric_id &&
2149 		    strcmp(evsel__metric_id(metric_evsel), evsel__metric_id(script_evsel))) {
2150 			pr_debug("Skipping matching evsel due to differing metric ids '%s' vs '%s'\n",
2151 				 evsel__metric_id(metric_evsel), evsel__metric_id(script_evsel));
2152 			continue;
2153 		}
2154 		return script_evsel;
2155 	}
2156 	return NULL;
2157 }
2158 
2159 static int script_find_metrics(const struct pmu_metric *pm,
2160 			       const struct pmu_metrics_table *table __maybe_unused,
2161 			       void *data)
2162 {
2163 	struct script_find_metrics_args *args = data;
2164 	struct evlist *script_evlist = args->evlist;
2165 	struct evlist *metric_evlist = evlist__new();
2166 	struct evsel *metric_evsel;
2167 	int ret = metricgroup__parse_groups(metric_evlist,
2168 					/*pmu=*/"all",
2169 					pm->metric_name,
2170 					/*metric_no_group=*/false,
2171 					/*metric_no_merge=*/false,
2172 					/*metric_no_threshold=*/true,
2173 					/*user_requested_cpu_list=*/NULL,
2174 					args->system_wide,
2175 					/*hardware_aware_grouping=*/false);
2176 
2177 	if (ret) {
2178 		/* Metric parsing failed but continue the search. */
2179 		goto out;
2180 	}
2181 
2182 	/*
2183 	 * Check the script_evlist has an entry for each metric_evlist entry. If
2184 	 * the script evsel was already set up avoid changing data that may
2185 	 * break it.
2186 	 */
2187 	evlist__for_each_entry(metric_evlist, metric_evsel) {
2188 		struct evsel *script_evsel =
2189 			map_metric_evsel_to_script_evsel(script_evlist, metric_evsel);
2190 		struct evsel *new_metric_leader;
2191 
2192 		if (!script_evsel) {
2193 			pr_debug("Skipping metric '%s' as evsel '%s' / '%s' is missing\n",
2194 				pm->metric_name, evsel__name(metric_evsel),
2195 				evsel__metric_id(metric_evsel));
2196 			goto out;
2197 		}
2198 
2199 		if (script_evsel->metric_leader == NULL)
2200 			continue;
2201 
2202 		if (metric_evsel->metric_leader == metric_evsel) {
2203 			new_metric_leader = script_evsel;
2204 		} else {
2205 			new_metric_leader =
2206 				map_metric_evsel_to_script_evsel(script_evlist,
2207 								 metric_evsel->metric_leader);
2208 		}
2209 		/* Mismatching evsel leaders. */
2210 		if (script_evsel->metric_leader != new_metric_leader) {
2211 			pr_debug("Skipping metric '%s' due to mismatching evsel metric leaders '%s' vs '%s'\n",
2212 				pm->metric_name, evsel__metric_id(metric_evsel),
2213 				evsel__metric_id(script_evsel));
2214 			goto out;
2215 		}
2216 	}
2217 	/*
2218 	 * Metric events match those in the script evlist, copy metric evsel
2219 	 * data into the script evlist.
2220 	 */
2221 	evlist__for_each_entry(metric_evlist, metric_evsel) {
2222 		struct evsel *script_evsel =
2223 			map_metric_evsel_to_script_evsel(script_evlist, metric_evsel);
2224 		struct metric_event *metric_me = metricgroup__lookup(&metric_evlist->metric_events,
2225 								     metric_evsel,
2226 								     /*create=*/false);
2227 
2228 		if (script_evsel->metric_id == NULL) {
2229 			script_evsel->metric_id = metric_evsel->metric_id;
2230 			metric_evsel->metric_id = NULL;
2231 		}
2232 
2233 		if (script_evsel->metric_leader == NULL) {
2234 			if (metric_evsel->metric_leader == metric_evsel) {
2235 				script_evsel->metric_leader = script_evsel;
2236 			} else {
2237 				script_evsel->metric_leader =
2238 					map_metric_evsel_to_script_evsel(script_evlist,
2239 								       metric_evsel->metric_leader);
2240 			}
2241 		}
2242 
2243 		if (metric_me) {
2244 			struct metric_expr *expr;
2245 			struct metric_event *script_me =
2246 				metricgroup__lookup(&script_evlist->metric_events,
2247 						    script_evsel,
2248 						    /*create=*/true);
2249 
2250 			if (!script_me) {
2251 				/*
2252 				 * As the metric_expr is created, the only
2253 				 * failure is a lack of memory.
2254 				 */
2255 				goto out;
2256 			}
2257 			list_splice_init(&metric_me->head, &script_me->head);
2258 			list_for_each_entry(expr, &script_me->head, nd) {
2259 				for (int i = 0; expr->metric_events[i]; i++) {
2260 					expr->metric_events[i] =
2261 						map_metric_evsel_to_script_evsel(script_evlist,
2262 									expr->metric_events[i]);
2263 				}
2264 			}
2265 		}
2266 	}
2267 	pr_debug("Found metric '%s' whose evsels match those of in the perf data\n",
2268 		 pm->metric_name);
2269 	evlist__delete(metric_evlist);
2270 out:
2271 	return 0;
2272 }
2273 
2274 static struct aggr_cpu_id script_aggr_cpu_id_get(struct perf_stat_config *config __maybe_unused,
2275 						    struct perf_cpu cpu)
2276 {
2277 	return aggr_cpu_id__global(cpu, /*data=*/NULL);
2278 }
2279 
2280 static void perf_sample__fprint_metric(struct thread *thread,
2281 				       struct evsel *evsel,
2282 				       struct perf_sample *sample,
2283 				       FILE *fp)
2284 {
2285 	static bool init_metrics;
2286 	struct perf_stat_output_ctx ctx = {
2287 		.print_metric = script_print_metric,
2288 		.new_line = script_new_line,
2289 		.ctx = &(struct metric_ctx) {
2290 				.sample = sample,
2291 				.thread = thread,
2292 				.evsel  = evsel,
2293 				.fp     = fp,
2294 			 },
2295 		.force_header = false,
2296 	};
2297 	struct perf_counts_values *count, *old_count;
2298 	int cpu_map_idx, thread_map_idx, aggr_idx;
2299 	struct evsel *pos;
2300 
2301 	if (!init_metrics) {
2302 		/* One time initialization of stat_config and metric data. */
2303 		struct script_find_metrics_args args = {
2304 			.evlist = evsel->evlist,
2305 			.system_wide = perf_thread_map__pid(evsel->core.threads, /*idx=*/0) == -1,
2306 
2307 		};
2308 		if (!stat_config.output)
2309 			stat_config.output = stdout;
2310 
2311 		if (!stat_config.aggr_map) {
2312 			/* TODO: currently only global aggregation is supported. */
2313 			assert(stat_config.aggr_mode == AGGR_GLOBAL);
2314 			stat_config.aggr_get_id = script_aggr_cpu_id_get;
2315 			stat_config.aggr_map =
2316 				cpu_aggr_map__new(evsel->evlist->core.user_requested_cpus,
2317 						  aggr_cpu_id__global, /*data=*/NULL,
2318 						  /*needs_sort=*/false);
2319 		}
2320 
2321 		metricgroup__for_each_metric(pmu_metrics_table__find(), script_find_metrics, &args);
2322 		init_metrics = true;
2323 	}
2324 
2325 	if (!evsel->stats) {
2326 		if (evlist__alloc_stats(&stat_config, evsel->evlist, /*alloc_raw=*/true) < 0)
2327 			return;
2328 	}
2329 	if (!evsel->stats->aggr) {
2330 		if (evlist__alloc_aggr_stats(evsel->evlist, stat_config.aggr_map->nr) < 0)
2331 			return;
2332 	}
2333 
2334 	/* Update the evsel's count using the sample's data. */
2335 	cpu_map_idx = perf_cpu_map__idx(evsel->core.cpus, (struct perf_cpu){sample->cpu});
2336 	if (cpu_map_idx < 0) {
2337 		/* Missing CPU, check for any CPU. */
2338 		if (perf_cpu_map__cpu(evsel->core.cpus, /*idx=*/0).cpu == -1 ||
2339 		    sample->cpu == (u32)-1) {
2340 			/* Place the counts in the which ever CPU is first in the map. */
2341 			cpu_map_idx = 0;
2342 		} else {
2343 			pr_info("Missing CPU map entry for CPU %d\n", sample->cpu);
2344 			return;
2345 		}
2346 	}
2347 	thread_map_idx = perf_thread_map__idx(evsel->core.threads, sample->tid);
2348 	if (thread_map_idx < 0) {
2349 		/* Missing thread, check for any thread. */
2350 		if (perf_thread_map__pid(evsel->core.threads, /*idx=*/0) == -1 ||
2351 		    sample->tid == (u32)-1) {
2352 			/* Place the counts in the which ever thread is first in the map. */
2353 			thread_map_idx = 0;
2354 		} else {
2355 			pr_info("Missing thread map entry for thread %d\n", sample->tid);
2356 			return;
2357 		}
2358 	}
2359 	count = perf_counts(evsel->counts, cpu_map_idx, thread_map_idx);
2360 	old_count = perf_counts(evsel->prev_raw_counts, cpu_map_idx, thread_map_idx);
2361 	count->val = old_count->val + sample->period;
2362 	count->run = old_count->run + 1;
2363 	count->ena = old_count->ena + 1;
2364 
2365 	/* Update the aggregated stats. */
2366 	perf_stat_process_counter(&stat_config, evsel);
2367 
2368 	/* Display all metrics. */
2369 	evlist__for_each_entry(evsel->evlist, pos) {
2370 		cpu_aggr_map__for_each_idx(aggr_idx, stat_config.aggr_map) {
2371 			perf_stat__print_shadow_stats(&stat_config, pos,
2372 						aggr_idx,
2373 						&ctx);
2374 		}
2375 	}
2376 }
2377 
2378 static bool show_event(struct perf_sample *sample,
2379 		       struct evsel *evsel,
2380 		       struct thread *thread,
2381 		       struct addr_location *al,
2382 		       struct addr_location *addr_al)
2383 {
2384 	int depth = thread_stack__depth(thread, sample->cpu);
2385 
2386 	if (!symbol_conf.graph_function)
2387 		return true;
2388 
2389 	if (thread__filter(thread)) {
2390 		if (depth <= thread__filter_entry_depth(thread)) {
2391 			thread__set_filter(thread, false);
2392 			return false;
2393 		}
2394 		return true;
2395 	} else {
2396 		const char *s = symbol_conf.graph_function;
2397 		u64 ip;
2398 		const char *name = resolve_branch_sym(sample, evsel, thread, al, addr_al,
2399 				&ip);
2400 		unsigned nlen;
2401 
2402 		if (!name)
2403 			return false;
2404 		nlen = strlen(name);
2405 		while (*s) {
2406 			unsigned len = strcspn(s, ",");
2407 			if (nlen == len && !strncmp(name, s, len)) {
2408 				thread__set_filter(thread, true);
2409 				thread__set_filter_entry_depth(thread, depth);
2410 				return true;
2411 			}
2412 			s += len;
2413 			if (*s == ',')
2414 				s++;
2415 		}
2416 		return false;
2417 	}
2418 }
2419 
2420 static void process_event(struct perf_script *script,
2421 			  struct perf_sample *sample, struct evsel *evsel,
2422 			  struct addr_location *al,
2423 			  struct addr_location *addr_al,
2424 			  struct machine *machine)
2425 {
2426 	struct thread *thread = al->thread;
2427 	struct perf_event_attr *attr = &evsel->core.attr;
2428 	unsigned int type = evsel__output_type(evsel);
2429 	struct evsel_script *es = evsel->priv;
2430 	FILE *fp = es->fp;
2431 	char str[PAGE_SIZE_NAME_LEN];
2432 	uint32_t e_flags;
2433 
2434 	if (output[type].fields == 0)
2435 		return;
2436 
2437 	++es->samples;
2438 
2439 	perf_sample__fprintf_start(script, sample, thread, evsel,
2440 				   PERF_RECORD_SAMPLE, fp);
2441 
2442 	if (PRINT_FIELD(PERIOD))
2443 		fprintf(fp, "%10" PRIu64 " ", sample->period);
2444 
2445 	if (PRINT_FIELD(EVNAME)) {
2446 		const char *evname = evsel__name(evsel);
2447 
2448 		if (!script->name_width)
2449 			script->name_width = evlist__max_name_len(script->session->evlist);
2450 
2451 		fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
2452 	}
2453 
2454 	if (print_flags)
2455 		perf_sample__fprintf_flags(sample->flags, fp);
2456 
2457 	if (is_bts_event(attr)) {
2458 		perf_sample__fprintf_bts(sample, evsel, thread, al, addr_al, machine, fp);
2459 		return;
2460 	}
2461 #ifdef HAVE_LIBTRACEEVENT
2462 	if (PRINT_FIELD(TRACE) && sample->raw_data) {
2463 		const struct tep_event *tp_format = evsel__tp_format(evsel);
2464 
2465 		if (tp_format) {
2466 			event_format__fprintf(tp_format, sample->cpu,
2467 					      sample->raw_data, sample->raw_size,
2468 					      fp);
2469 		}
2470 	}
2471 #endif
2472 	if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
2473 		perf_sample__fprintf_synth(sample, evsel, fp);
2474 
2475 	if (PRINT_FIELD(ADDR))
2476 		perf_sample__fprintf_addr(sample, thread, evsel, fp);
2477 
2478 	if (PRINT_FIELD(DATA_SRC))
2479 		data_src__fprintf(sample->data_src, fp);
2480 
2481 	if (PRINT_FIELD(WEIGHT))
2482 		fprintf(fp, "%16" PRIu64, sample->weight);
2483 
2484 	if (PRINT_FIELD(INS_LAT))
2485 		fprintf(fp, "%16" PRIu16, sample->ins_lat);
2486 
2487 	if (PRINT_FIELD(RETIRE_LAT))
2488 		fprintf(fp, "%16" PRIu16, sample->weight3);
2489 
2490 	if (PRINT_FIELD(CGROUP)) {
2491 		const char *cgrp_name;
2492 		struct cgroup *cgrp = cgroup__find(machine->env,
2493 						   sample->cgroup);
2494 		if (cgrp != NULL)
2495 			cgrp_name = cgrp->name;
2496 		else
2497 			cgrp_name = "unknown";
2498 		fprintf(fp, " %s", cgrp_name);
2499 	}
2500 
2501 	if (PRINT_FIELD(IP)) {
2502 		struct callchain_cursor *cursor = NULL;
2503 
2504 		if (script->stitch_lbr)
2505 			thread__set_lbr_stitch_enable(al->thread, true);
2506 
2507 		if (symbol_conf.use_callchain && sample->callchain) {
2508 			cursor = get_tls_callchain_cursor();
2509 			if (thread__resolve_callchain(al->thread, cursor, evsel,
2510 						      sample, NULL, NULL,
2511 						      scripting_max_stack))
2512 				cursor = NULL;
2513 		}
2514 		fputc(cursor ? '\n' : ' ', fp);
2515 		sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor,
2516 				    symbol_conf.bt_stop_list, fp);
2517 	}
2518 
2519 	if (PRINT_FIELD(IREGS)) {
2520 		perf_sample__fprintf_iregs(sample, attr,
2521 					   thread__e_machine(thread, machine, &e_flags),
2522 					   e_flags,
2523 					   fp);
2524 	}
2525 
2526 	if (PRINT_FIELD(UREGS)) {
2527 		perf_sample__fprintf_uregs(sample, attr,
2528 					   thread__e_machine(thread, machine, &e_flags),
2529 					   e_flags,
2530 					   fp);
2531 	}
2532 
2533 	if (PRINT_FIELD(BRSTACK))
2534 		perf_sample__fprintf_brstack(sample, thread, evsel, fp);
2535 	else if (PRINT_FIELD(BRSTACKSYM))
2536 		perf_sample__fprintf_brstacksym(sample, thread, evsel, fp);
2537 	else if (PRINT_FIELD(BRSTACKOFF))
2538 		perf_sample__fprintf_brstackoff(sample, thread, evsel, fp);
2539 
2540 	if (evsel__is_bpf_output(evsel) && !evsel__is_offcpu_event(evsel) && PRINT_FIELD(BPF_OUTPUT))
2541 		perf_sample__fprintf_bpf_output(sample, fp);
2542 	perf_sample__fprintf_insn(sample, evsel, attr, thread, machine, fp, al);
2543 
2544 	if (PRINT_FIELD(PHYS_ADDR))
2545 		fprintf(fp, "%16" PRIx64, sample->phys_addr);
2546 
2547 	if (PRINT_FIELD(DATA_PAGE_SIZE))
2548 		fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str));
2549 
2550 	if (PRINT_FIELD(CODE_PAGE_SIZE))
2551 		fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str));
2552 
2553 	perf_sample__fprintf_ipc(sample, evsel, fp);
2554 
2555 	fprintf(fp, "\n");
2556 
2557 	if (PRINT_FIELD(SRCCODE)) {
2558 		if (map__fprintf_srccode(al->map, al->addr, stdout,
2559 					 thread__srccode_state(thread)))
2560 			printf("\n");
2561 	}
2562 
2563 	if (PRINT_FIELD(METRIC))
2564 		perf_sample__fprint_metric(thread, evsel, sample, fp);
2565 
2566 	if (verbose > 0)
2567 		fflush(fp);
2568 }
2569 
2570 static struct scripting_ops	*scripting_ops;
2571 
2572 static void __process_stat(struct evsel *counter, u64 tstamp)
2573 {
2574 	int nthreads = perf_thread_map__nr(counter->core.threads);
2575 	struct perf_cpu cpu;
2576 	static int header_printed;
2577 
2578 	if (!header_printed) {
2579 		printf("%3s %8s %15s %15s %15s %15s %s\n",
2580 		       "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
2581 		header_printed = 1;
2582 	}
2583 
2584 	for (int thread = 0; thread < nthreads; thread++) {
2585 		unsigned int idx;
2586 
2587 		perf_cpu_map__for_each_cpu(cpu, idx, evsel__cpus(counter)) {
2588 			struct perf_counts_values *counts;
2589 
2590 			counts = perf_counts(counter->counts, idx, thread);
2591 
2592 			printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
2593 				cpu.cpu,
2594 				perf_thread_map__pid(counter->core.threads, thread),
2595 				counts->val,
2596 				counts->ena,
2597 				counts->run,
2598 				tstamp,
2599 				evsel__name(counter));
2600 		}
2601 	}
2602 }
2603 
2604 static void process_stat(struct evsel *counter, u64 tstamp)
2605 {
2606 	if (scripting_ops && scripting_ops->process_stat)
2607 		scripting_ops->process_stat(&stat_config, counter, tstamp);
2608 	else
2609 		__process_stat(counter, tstamp);
2610 }
2611 
2612 static void process_stat_interval(u64 tstamp)
2613 {
2614 	if (scripting_ops && scripting_ops->process_stat_interval)
2615 		scripting_ops->process_stat_interval(tstamp);
2616 }
2617 
2618 static void setup_scripting(void)
2619 {
2620 #ifdef HAVE_LIBTRACEEVENT
2621 	setup_perl_scripting();
2622 #endif
2623 	setup_python_scripting();
2624 }
2625 
2626 static int flush_scripting(void)
2627 {
2628 	return scripting_ops ? scripting_ops->flush_script() : 0;
2629 }
2630 
2631 static int cleanup_scripting(void)
2632 {
2633 	pr_debug("\nperf script stopped\n");
2634 
2635 	return scripting_ops ? scripting_ops->stop_script() : 0;
2636 }
2637 
2638 static bool filter_cpu(struct perf_sample *sample)
2639 {
2640 	if (cpu_list && sample->cpu != (u32)-1)
2641 		return !test_bit(sample->cpu, cpu_bitmap);
2642 	return false;
2643 }
2644 
2645 static int process_sample_event(const struct perf_tool *tool,
2646 				union perf_event *event,
2647 				struct perf_sample *sample,
2648 				struct evsel *evsel,
2649 				struct machine *machine)
2650 {
2651 	struct perf_script *scr = container_of(tool, struct perf_script, tool);
2652 	struct addr_location al;
2653 	struct addr_location addr_al;
2654 	int ret = 0;
2655 
2656 	/* Set thread to NULL to indicate addr_al and al are not initialized */
2657 	addr_location__init(&al);
2658 	addr_location__init(&addr_al);
2659 
2660 	ret = dlfilter__filter_event_early(dlfilter, event, sample, evsel, machine, &al, &addr_al);
2661 	if (ret) {
2662 		if (ret > 0)
2663 			ret = 0;
2664 		goto out_put;
2665 	}
2666 
2667 	if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
2668 					  sample->time)) {
2669 		goto out_put;
2670 	}
2671 
2672 	if (debug_mode) {
2673 		if (sample->time < last_timestamp) {
2674 			pr_err("Samples misordered, previous: %" PRIu64
2675 				" this: %" PRIu64 "\n", last_timestamp,
2676 				sample->time);
2677 			nr_unordered++;
2678 		}
2679 		last_timestamp = sample->time;
2680 		goto out_put;
2681 	}
2682 
2683 	if (filter_cpu(sample))
2684 		goto out_put;
2685 
2686 	if (!al.thread && machine__resolve(machine, &al, sample) < 0) {
2687 		pr_err("problem processing %d event, skipping it.\n",
2688 		       event->header.type);
2689 		ret = -1;
2690 		goto out_put;
2691 	}
2692 
2693 	if (al.filtered)
2694 		goto out_put;
2695 
2696 	if (!show_event(sample, evsel, al.thread, &al, &addr_al))
2697 		goto out_put;
2698 
2699 	if (evswitch__discard(&scr->evswitch, evsel))
2700 		goto out_put;
2701 
2702 	ret = dlfilter__filter_event(dlfilter, event, sample, evsel, machine, &al, &addr_al);
2703 	if (ret) {
2704 		if (ret > 0)
2705 			ret = 0;
2706 		goto out_put;
2707 	}
2708 
2709 	if (scripting_ops) {
2710 		struct addr_location *addr_al_ptr = NULL;
2711 
2712 		if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
2713 		    sample_addr_correlates_sym(&evsel->core.attr)) {
2714 			if (!addr_al.thread)
2715 				thread__resolve(al.thread, &addr_al, sample);
2716 			addr_al_ptr = &addr_al;
2717 		}
2718 		scripting_ops->process_event(event, sample, evsel, &al, addr_al_ptr);
2719 	} else {
2720 		process_event(scr, sample, evsel, &al, &addr_al, machine);
2721 	}
2722 
2723 out_put:
2724 	addr_location__exit(&addr_al);
2725 	addr_location__exit(&al);
2726 	return ret;
2727 }
2728 
2729 static int process_deferred_sample_event(const struct perf_tool *tool,
2730 					 union perf_event *event,
2731 					 struct perf_sample *sample,
2732 					 struct evsel *evsel,
2733 					 struct machine *machine)
2734 {
2735 	struct perf_script *scr = container_of(tool, struct perf_script, tool);
2736 	struct perf_event_attr *attr = &evsel->core.attr;
2737 	struct evsel_script *es = evsel->priv;
2738 	unsigned int type = output_type(attr->type);
2739 	struct addr_location al;
2740 	FILE *fp = es->fp;
2741 	int ret = 0;
2742 
2743 	if (output[type].fields == 0)
2744 		return 0;
2745 
2746 	/* Set thread to NULL to indicate addr_al and al are not initialized */
2747 	addr_location__init(&al);
2748 
2749 	if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
2750 					  sample->time)) {
2751 		goto out_put;
2752 	}
2753 
2754 	if (debug_mode) {
2755 		if (sample->time < last_timestamp) {
2756 			pr_err("Samples misordered, previous: %" PRIu64
2757 				" this: %" PRIu64 "\n", last_timestamp,
2758 				sample->time);
2759 			nr_unordered++;
2760 		}
2761 		last_timestamp = sample->time;
2762 		goto out_put;
2763 	}
2764 
2765 	if (filter_cpu(sample))
2766 		goto out_put;
2767 
2768 	if (machine__resolve(machine, &al, sample) < 0) {
2769 		pr_err("problem processing %d event, skipping it.\n",
2770 		       event->header.type);
2771 		ret = -1;
2772 		goto out_put;
2773 	}
2774 
2775 	if (al.filtered)
2776 		goto out_put;
2777 
2778 	if (!show_event(sample, evsel, al.thread, &al, NULL))
2779 		goto out_put;
2780 
2781 	if (evswitch__discard(&scr->evswitch, evsel))
2782 		goto out_put;
2783 
2784 	perf_sample__fprintf_start(scr, sample, al.thread, evsel,
2785 				   PERF_RECORD_CALLCHAIN_DEFERRED, fp);
2786 	fprintf(fp, "DEFERRED CALLCHAIN [cookie: %llx]",
2787 		(unsigned long long)event->callchain_deferred.cookie);
2788 
2789 	if (PRINT_FIELD(IP)) {
2790 		struct callchain_cursor *cursor = NULL;
2791 
2792 		if (symbol_conf.use_callchain && sample->callchain) {
2793 			cursor = get_tls_callchain_cursor();
2794 			if (thread__resolve_callchain(al.thread, cursor, evsel,
2795 						      sample, NULL, NULL,
2796 						      scripting_max_stack)) {
2797 				pr_info("cannot resolve deferred callchains\n");
2798 				cursor = NULL;
2799 			}
2800 		}
2801 
2802 		fputc(cursor ? '\n' : ' ', fp);
2803 		sample__fprintf_sym(sample, &al, 0, output[type].print_ip_opts,
2804 				    cursor, symbol_conf.bt_stop_list, fp);
2805 	}
2806 
2807 	fprintf(fp, "\n");
2808 
2809 	if (verbose > 0)
2810 		fflush(fp);
2811 
2812 out_put:
2813 	addr_location__exit(&al);
2814 	return ret;
2815 }
2816 
2817 // Used when scr->per_event_dump is not set
2818 static struct evsel_script es_stdout;
2819 
2820 static int process_attr(const struct perf_tool *tool, union perf_event *event,
2821 			struct evlist **pevlist)
2822 {
2823 	struct perf_script *scr = container_of(tool, struct perf_script, tool);
2824 	struct evlist *evlist;
2825 	struct evsel *evsel, *pos;
2826 	uint16_t e_machine;
2827 	u64 sample_type;
2828 	int err;
2829 
2830 	err = perf_event__process_attr(tool, event, pevlist);
2831 	if (err)
2832 		return err;
2833 
2834 	evlist = *pevlist;
2835 	evsel = evlist__last(*pevlist);
2836 
2837 	if (!evsel->priv) {
2838 		if (scr->per_event_dump) {
2839 			evsel->priv = evsel_script__new(evsel, scr->session->data);
2840 			if (!evsel->priv)
2841 				return -ENOMEM;
2842 		} else { // Replicate what is done in perf_script__setup_per_event_dump()
2843 			es_stdout.fp = stdout;
2844 			evsel->priv = &es_stdout;
2845 		}
2846 	}
2847 
2848 	if (evsel->core.attr.type >= PERF_TYPE_MAX &&
2849 	    evsel->core.attr.type != PERF_TYPE_SYNTH)
2850 		return 0;
2851 
2852 	evlist__for_each_entry(evlist, pos) {
2853 		if (pos->core.attr.type == evsel->core.attr.type && pos != evsel)
2854 			return 0;
2855 	}
2856 
2857 	if (evsel->core.attr.sample_type) {
2858 		err = evsel__check_attr(evsel, scr->session);
2859 		if (err)
2860 			return err;
2861 	}
2862 
2863 	/*
2864 	 * Check if we need to enable callchains based
2865 	 * on events sample_type.
2866 	 */
2867 	sample_type = evlist__combined_sample_type(evlist);
2868 	e_machine = perf_session__e_machine(evsel__session(evsel), /*e_flags=*/NULL);
2869 	callchain_param_setup(sample_type, e_machine);
2870 
2871 	/* Enable fields for callchain entries */
2872 	if (symbol_conf.use_callchain &&
2873 	    (sample_type & PERF_SAMPLE_CALLCHAIN ||
2874 	     sample_type & PERF_SAMPLE_BRANCH_STACK ||
2875 	     (sample_type & PERF_SAMPLE_REGS_USER &&
2876 	      sample_type & PERF_SAMPLE_STACK_USER))) {
2877 		int type = evsel__output_type(evsel);
2878 
2879 		if (!(output[type].user_unset_fields & PERF_OUTPUT_IP))
2880 			output[type].fields |= PERF_OUTPUT_IP;
2881 		if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM))
2882 			output[type].fields |= PERF_OUTPUT_SYM;
2883 	}
2884 	evsel__set_print_ip_opts(evsel);
2885 	return 0;
2886 }
2887 
2888 static int print_event_with_time(const struct perf_tool *tool,
2889 				 union perf_event *event,
2890 				 struct perf_sample *sample,
2891 				 struct machine *machine,
2892 				 pid_t pid, pid_t tid, u64 timestamp)
2893 {
2894 	struct perf_script *script = container_of(tool, struct perf_script, tool);
2895 	struct perf_session *session = script->session;
2896 	struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id);
2897 	struct thread *thread = NULL;
2898 
2899 	if (evsel && !evsel->core.attr.sample_id_all) {
2900 		sample->cpu = 0;
2901 		sample->time = timestamp;
2902 		sample->pid = pid;
2903 		sample->tid = tid;
2904 	}
2905 
2906 	if (filter_cpu(sample))
2907 		return 0;
2908 
2909 	if (tid != -1)
2910 		thread = machine__findnew_thread(machine, pid, tid);
2911 
2912 	if (evsel) {
2913 		struct evsel *saved_evsel = sample->evsel;
2914 
2915 		sample->evsel = evsel;
2916 		perf_sample__fprintf_start(script, sample, thread, evsel,
2917 					   event->header.type, stdout);
2918 		sample->evsel = saved_evsel;
2919 	}
2920 
2921 	perf_event__fprintf(event, machine, stdout);
2922 
2923 	thread__put(thread);
2924 
2925 	return 0;
2926 }
2927 
2928 static int print_event(const struct perf_tool *tool, union perf_event *event,
2929 		       struct perf_sample *sample, struct machine *machine,
2930 		       pid_t pid, pid_t tid)
2931 {
2932 	return print_event_with_time(tool, event, sample, machine, pid, tid, 0);
2933 }
2934 
2935 static int process_comm_event(const struct perf_tool *tool,
2936 			      union perf_event *event,
2937 			      struct perf_sample *sample,
2938 			      struct machine *machine)
2939 {
2940 	if (perf_event__process_comm(tool, event, sample, machine) < 0)
2941 		return -1;
2942 
2943 	return print_event(tool, event, sample, machine, event->comm.pid,
2944 			   event->comm.tid);
2945 }
2946 
2947 static int process_namespaces_event(const struct perf_tool *tool,
2948 				    union perf_event *event,
2949 				    struct perf_sample *sample,
2950 				    struct machine *machine)
2951 {
2952 	if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
2953 		return -1;
2954 
2955 	return print_event(tool, event, sample, machine, event->namespaces.pid,
2956 			   event->namespaces.tid);
2957 }
2958 
2959 static int process_cgroup_event(const struct perf_tool *tool,
2960 				union perf_event *event,
2961 				struct perf_sample *sample,
2962 				struct machine *machine)
2963 {
2964 	if (perf_event__process_cgroup(tool, event, sample, machine) < 0)
2965 		return -1;
2966 
2967 	return print_event(tool, event, sample, machine, sample->pid,
2968 			    sample->tid);
2969 }
2970 
2971 static int process_fork_event(const struct perf_tool *tool,
2972 			      union perf_event *event,
2973 			      struct perf_sample *sample,
2974 			      struct machine *machine)
2975 {
2976 	if (perf_event__process_fork(tool, event, sample, machine) < 0)
2977 		return -1;
2978 
2979 	return print_event_with_time(tool, event, sample, machine,
2980 				     event->fork.pid, event->fork.tid,
2981 				     event->fork.time);
2982 }
2983 static int process_exit_event(const struct perf_tool *tool,
2984 			      union perf_event *event,
2985 			      struct perf_sample *sample,
2986 			      struct machine *machine)
2987 {
2988 	/* Print before 'exit' deletes anything */
2989 	if (print_event_with_time(tool, event, sample, machine, event->fork.pid,
2990 				  event->fork.tid, event->fork.time))
2991 		return -1;
2992 
2993 	return perf_event__process_exit(tool, event, sample, machine);
2994 }
2995 
2996 static int process_mmap_event(const struct perf_tool *tool,
2997 			      union perf_event *event,
2998 			      struct perf_sample *sample,
2999 			      struct machine *machine)
3000 {
3001 	if (perf_event__process_mmap(tool, event, sample, machine) < 0)
3002 		return -1;
3003 
3004 	return print_event(tool, event, sample, machine, event->mmap.pid,
3005 			   event->mmap.tid);
3006 }
3007 
3008 static int process_mmap2_event(const struct perf_tool *tool,
3009 			      union perf_event *event,
3010 			      struct perf_sample *sample,
3011 			      struct machine *machine)
3012 {
3013 	if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
3014 		return -1;
3015 
3016 	return print_event(tool, event, sample, machine, event->mmap2.pid,
3017 			   event->mmap2.tid);
3018 }
3019 
3020 static int process_switch_event(const struct perf_tool *tool,
3021 				union perf_event *event,
3022 				struct perf_sample *sample,
3023 				struct machine *machine)
3024 {
3025 	struct perf_script *script = container_of(tool, struct perf_script, tool);
3026 
3027 	if (perf_event__process_switch(tool, event, sample, machine) < 0)
3028 		return -1;
3029 
3030 	if (scripting_ops && scripting_ops->process_switch && !filter_cpu(sample))
3031 		scripting_ops->process_switch(event, sample, machine);
3032 
3033 	if (!script->show_switch_events)
3034 		return 0;
3035 
3036 	return print_event(tool, event, sample, machine, sample->pid,
3037 			   sample->tid);
3038 }
3039 
3040 static int process_auxtrace_error(const struct perf_tool *tool,
3041 				  struct perf_session *session,
3042 				  union perf_event *event)
3043 {
3044 	if (scripting_ops && scripting_ops->process_auxtrace_error) {
3045 		scripting_ops->process_auxtrace_error(session, event);
3046 		return 0;
3047 	}
3048 
3049 	return perf_event__process_auxtrace_error(tool, session, event);
3050 }
3051 
3052 static int
3053 process_lost_event(const struct perf_tool *tool,
3054 		   union perf_event *event,
3055 		   struct perf_sample *sample,
3056 		   struct machine *machine)
3057 {
3058 	return print_event(tool, event, sample, machine, sample->pid,
3059 			   sample->tid);
3060 }
3061 
3062 static int
3063 process_throttle_event(const struct perf_tool *tool __maybe_unused,
3064 		       union perf_event *event,
3065 		       struct perf_sample *sample,
3066 		       struct machine *machine)
3067 {
3068 	if (scripting_ops && scripting_ops->process_throttle)
3069 		scripting_ops->process_throttle(event, sample, machine);
3070 	return 0;
3071 }
3072 
3073 static int
3074 process_finished_round_event(const struct perf_tool *tool __maybe_unused,
3075 			     union perf_event *event,
3076 			     struct ordered_events *oe __maybe_unused)
3077 
3078 {
3079 	perf_event__fprintf(event, NULL, stdout);
3080 	return 0;
3081 }
3082 
3083 static int
3084 process_bpf_events(const struct perf_tool *tool __maybe_unused,
3085 		   union perf_event *event,
3086 		   struct perf_sample *sample,
3087 		   struct machine *machine)
3088 {
3089 	if (machine__process_ksymbol(machine, event, sample) < 0)
3090 		return -1;
3091 
3092 	return print_event(tool, event, sample, machine, sample->pid,
3093 			   sample->tid);
3094 }
3095 
3096 static int
3097 process_bpf_metadata_event(const struct perf_tool *tool __maybe_unused,
3098 			   struct perf_session *session __maybe_unused,
3099 			   union perf_event *event)
3100 {
3101 	perf_event__fprintf(event, NULL, stdout);
3102 	return 0;
3103 }
3104 
3105 static int process_text_poke_events(const struct perf_tool *tool,
3106 				    union perf_event *event,
3107 				    struct perf_sample *sample,
3108 				    struct machine *machine)
3109 {
3110 	if (perf_event__process_text_poke(tool, event, sample, machine) < 0)
3111 		return -1;
3112 
3113 	return print_event(tool, event, sample, machine, sample->pid,
3114 			   sample->tid);
3115 }
3116 
3117 static void sig_handler(int sig __maybe_unused)
3118 {
3119 	session_done = 1;
3120 }
3121 
3122 static void perf_script__fclose_per_event_dump(struct perf_script *script)
3123 {
3124 	struct evlist *evlist = script->session->evlist;
3125 	struct evsel *evsel;
3126 
3127 	evlist__for_each_entry(evlist, evsel) {
3128 		if (!evsel->priv)
3129 			break;
3130 		evsel_script__delete(evsel->priv);
3131 		evsel->priv = NULL;
3132 	}
3133 }
3134 
3135 static int perf_script__fopen_per_event_dump(struct perf_script *script)
3136 {
3137 	struct evsel *evsel;
3138 
3139 	evlist__for_each_entry(script->session->evlist, evsel) {
3140 		/*
3141 		 * Already setup? I.e. we may be called twice in cases like
3142 		 * Intel PT, one for the intel_pt// and dummy events, then
3143 		 * for the evsels synthesized from the auxtrace info.
3144 		 *
3145 		 * Ses perf_script__process_auxtrace_info.
3146 		 */
3147 		if (evsel->priv != NULL)
3148 			continue;
3149 
3150 		evsel->priv = evsel_script__new(evsel, script->session->data);
3151 		if (evsel->priv == NULL)
3152 			goto out_err_fclose;
3153 	}
3154 
3155 	return 0;
3156 
3157 out_err_fclose:
3158 	perf_script__fclose_per_event_dump(script);
3159 	return -1;
3160 }
3161 
3162 static int perf_script__setup_per_event_dump(struct perf_script *script)
3163 {
3164 	struct evsel *evsel;
3165 
3166 	if (script->per_event_dump)
3167 		return perf_script__fopen_per_event_dump(script);
3168 
3169 	es_stdout.fp = stdout;
3170 
3171 	evlist__for_each_entry(script->session->evlist, evsel)
3172 		evsel->priv = &es_stdout;
3173 
3174 	return 0;
3175 }
3176 
3177 static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
3178 {
3179 	struct evsel *evsel;
3180 
3181 	evlist__for_each_entry(script->session->evlist, evsel) {
3182 		struct evsel_script *es = evsel->priv;
3183 
3184 		evsel_script__fprintf(es, stdout);
3185 		evsel_script__delete(es);
3186 		evsel->priv = NULL;
3187 	}
3188 }
3189 
3190 static void perf_script__exit(struct perf_script *script)
3191 {
3192 	perf_thread_map__put(script->threads);
3193 	perf_cpu_map__put(script->cpus);
3194 }
3195 
3196 static int __cmd_script(struct perf_script *script)
3197 {
3198 	int ret;
3199 
3200 	signal(SIGINT, sig_handler);
3201 
3202 	/* override event processing functions */
3203 	if (script->show_task_events) {
3204 		script->tool.comm = process_comm_event;
3205 		script->tool.fork = process_fork_event;
3206 		script->tool.exit = process_exit_event;
3207 	}
3208 	if (script->show_mmap_events) {
3209 		script->tool.mmap = process_mmap_event;
3210 		script->tool.mmap2 = process_mmap2_event;
3211 	}
3212 	if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch))
3213 		script->tool.context_switch = process_switch_event;
3214 	if (scripting_ops && scripting_ops->process_auxtrace_error)
3215 		script->tool.auxtrace_error = process_auxtrace_error;
3216 	if (script->show_namespace_events)
3217 		script->tool.namespaces = process_namespaces_event;
3218 	if (script->show_cgroup_events)
3219 		script->tool.cgroup = process_cgroup_event;
3220 	if (script->show_lost_events)
3221 		script->tool.lost = process_lost_event;
3222 	if (script->show_round_events) {
3223 		script->tool.ordered_events = false;
3224 		script->tool.finished_round = process_finished_round_event;
3225 	}
3226 	if (script->show_bpf_events) {
3227 		script->tool.ksymbol	  = process_bpf_events;
3228 		script->tool.bpf	  = process_bpf_events;
3229 		script->tool.bpf_metadata = process_bpf_metadata_event;
3230 	}
3231 	if (script->show_text_poke_events) {
3232 		script->tool.ksymbol   = process_bpf_events;
3233 		script->tool.text_poke = process_text_poke_events;
3234 	}
3235 
3236 	if (perf_script__setup_per_event_dump(script)) {
3237 		pr_err("Couldn't create the per event dump files\n");
3238 		return -1;
3239 	}
3240 
3241 	ret = perf_session__process_events(script->session);
3242 
3243 	if (script->per_event_dump)
3244 		perf_script__exit_per_event_dump_stats(script);
3245 
3246 	if (debug_mode)
3247 		pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
3248 
3249 	return ret;
3250 }
3251 
3252 static int list_available_languages_cb(struct scripting_ops *ops, const char *spec)
3253 {
3254 	fprintf(stderr, "  %-42s [%s]\n", spec, ops->name);
3255 	return 0;
3256 }
3257 
3258 static void list_available_languages(void)
3259 {
3260 	fprintf(stderr, "\n");
3261 	fprintf(stderr, "Scripting language extensions (used in "
3262 		"perf script -s [spec:]script.[spec]):\n\n");
3263 	script_spec__for_each(&list_available_languages_cb);
3264 	fprintf(stderr, "\n");
3265 }
3266 
3267 /* Find script file relative to current directory or exec path */
3268 static char *find_script(const char *script)
3269 {
3270 	char path[PATH_MAX];
3271 
3272 	if (!scripting_ops) {
3273 		const char *ext = strrchr(script, '.');
3274 
3275 		if (!ext)
3276 			return NULL;
3277 
3278 		scripting_ops = script_spec__lookup(++ext);
3279 		if (!scripting_ops)
3280 			return NULL;
3281 	}
3282 
3283 	if (access(script, R_OK)) {
3284 		char *exec_path = get_argv_exec_path();
3285 
3286 		if (!exec_path)
3287 			return NULL;
3288 		snprintf(path, sizeof(path), "%s/scripts/%s/%s",
3289 			 exec_path, scripting_ops->dirname, script);
3290 		free(exec_path);
3291 		script = path;
3292 		if (access(script, R_OK))
3293 			return NULL;
3294 	}
3295 	return strdup(script);
3296 }
3297 
3298 static int parse_scriptname(const struct option *opt __maybe_unused,
3299 			    const char *str, int unset __maybe_unused)
3300 {
3301 	char spec[PATH_MAX];
3302 	const char *script, *ext;
3303 	int len;
3304 
3305 	if (strcmp(str, "lang") == 0) {
3306 		list_available_languages();
3307 		exit(0);
3308 	}
3309 
3310 	script = strchr(str, ':');
3311 	if (script) {
3312 		len = script - str;
3313 		if (len >= PATH_MAX) {
3314 			fprintf(stderr, "invalid language specifier");
3315 			return -1;
3316 		}
3317 		strncpy(spec, str, len);
3318 		spec[len] = '\0';
3319 		scripting_ops = script_spec__lookup(spec);
3320 		if (!scripting_ops) {
3321 			fprintf(stderr, "invalid language specifier");
3322 			return -1;
3323 		}
3324 		script++;
3325 	} else {
3326 		script = str;
3327 		ext = strrchr(script, '.');
3328 		if (!ext) {
3329 			fprintf(stderr, "invalid script extension");
3330 			return -1;
3331 		}
3332 		scripting_ops = script_spec__lookup(++ext);
3333 		if (!scripting_ops) {
3334 			fprintf(stderr, "invalid script extension");
3335 			return -1;
3336 		}
3337 	}
3338 
3339 	script_name = find_script(script);
3340 	if (!script_name)
3341 		script_name = strdup(script);
3342 
3343 	return 0;
3344 }
3345 
3346 static int parse_output_fields(const struct option *opt __maybe_unused,
3347 			    const char *arg, int unset __maybe_unused)
3348 {
3349 	char *tok, *strtok_saveptr = NULL;
3350 	int i, imax = ARRAY_SIZE(all_output_options);
3351 	int j;
3352 	int rc = 0;
3353 	char *str = strdup(arg);
3354 	int type = -1;
3355 	enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
3356 
3357 	if (!str)
3358 		return -ENOMEM;
3359 
3360 	/* first word can state for which event type the user is specifying
3361 	 * the fields. If no type exists, the specified fields apply to all
3362 	 * event types found in the file minus the invalid fields for a type.
3363 	 */
3364 	tok = strchr(str, ':');
3365 	if (tok) {
3366 		*tok = '\0';
3367 		tok++;
3368 		if (!strcmp(str, "hw"))
3369 			type = PERF_TYPE_HARDWARE;
3370 		else if (!strcmp(str, "sw"))
3371 			type = PERF_TYPE_SOFTWARE;
3372 		else if (!strcmp(str, "trace"))
3373 			type = PERF_TYPE_TRACEPOINT;
3374 		else if (!strcmp(str, "raw"))
3375 			type = PERF_TYPE_RAW;
3376 		else if (!strcmp(str, "break"))
3377 			type = PERF_TYPE_BREAKPOINT;
3378 		else if (!strcmp(str, "synth"))
3379 			type = OUTPUT_TYPE_SYNTH;
3380 		else {
3381 			fprintf(stderr, "Invalid event type in field string.\n");
3382 			rc = -EINVAL;
3383 			goto out;
3384 		}
3385 
3386 		if (output[type].user_set)
3387 			pr_warning("Overriding previous field request for %s events.\n",
3388 				   event_type(type));
3389 
3390 		/* Don't override defaults for +- */
3391 		if (strchr(tok, '+') || strchr(tok, '-'))
3392 			goto parse;
3393 
3394 		output[type].fields = 0;
3395 		output[type].user_set = true;
3396 		output[type].wildcard_set = false;
3397 
3398 	} else {
3399 		tok = str;
3400 		if (strlen(str) == 0) {
3401 			fprintf(stderr,
3402 				"Cannot set fields to 'none' for all event types.\n");
3403 			rc = -EINVAL;
3404 			goto out;
3405 		}
3406 
3407 		/* Don't override defaults for +- */
3408 		if (strchr(str, '+') || strchr(str, '-'))
3409 			goto parse;
3410 
3411 		if (output_set_by_user())
3412 			pr_warning("Overriding previous field request for all events.\n");
3413 
3414 		for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
3415 			output[j].fields = 0;
3416 			output[j].user_set = true;
3417 			output[j].wildcard_set = true;
3418 		}
3419 	}
3420 
3421 parse:
3422 	for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
3423 		if (*tok == '+') {
3424 			if (change == SET)
3425 				goto out_badmix;
3426 			change = ADD;
3427 			tok++;
3428 		} else if (*tok == '-') {
3429 			if (change == SET)
3430 				goto out_badmix;
3431 			change = REMOVE;
3432 			tok++;
3433 		} else {
3434 			if (change != SET && change != DEFAULT)
3435 				goto out_badmix;
3436 			change = SET;
3437 		}
3438 
3439 		for (i = 0; i < imax; ++i) {
3440 			if (strcmp(tok, all_output_options[i].str) == 0)
3441 				break;
3442 		}
3443 		if (i == imax && strcmp(tok, "flags") == 0) {
3444 			print_flags = change != REMOVE;
3445 			continue;
3446 		}
3447 		if (i == imax) {
3448 			fprintf(stderr, "Invalid field requested.\n");
3449 			rc = -EINVAL;
3450 			goto out;
3451 		}
3452 #ifndef HAVE_LIBCAPSTONE_SUPPORT
3453 		if (change != REMOVE && strcmp(tok, "disasm") == 0) {
3454 			fprintf(stderr, "Field \"disasm\" requires perf to be built with libcapstone support.\n");
3455 			rc = -EINVAL;
3456 			goto out;
3457 		}
3458 #endif
3459 
3460 		if (type == -1) {
3461 			/* add user option to all events types for
3462 			 * which it is valid
3463 			 */
3464 			for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
3465 				if (output[j].invalid_fields & all_output_options[i].field) {
3466 					pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
3467 						   all_output_options[i].str, event_type(j));
3468 				} else {
3469 					if (change == REMOVE) {
3470 						output[j].fields &= ~all_output_options[i].field;
3471 						output[j].user_set_fields &= ~all_output_options[i].field;
3472 						output[j].user_unset_fields |= all_output_options[i].field;
3473 					} else {
3474 						output[j].fields |= all_output_options[i].field;
3475 						output[j].user_set_fields |= all_output_options[i].field;
3476 						output[j].user_unset_fields &= ~all_output_options[i].field;
3477 					}
3478 					output[j].user_set = true;
3479 					output[j].wildcard_set = true;
3480 				}
3481 			}
3482 		} else {
3483 			if (output[type].invalid_fields & all_output_options[i].field) {
3484 				fprintf(stderr, "\'%s\' not valid for %s events.\n",
3485 					 all_output_options[i].str, event_type(type));
3486 
3487 				rc = -EINVAL;
3488 				goto out;
3489 			}
3490 			if (change == REMOVE)
3491 				output[type].fields &= ~all_output_options[i].field;
3492 			else
3493 				output[type].fields |= all_output_options[i].field;
3494 			output[type].user_set = true;
3495 			output[type].wildcard_set = true;
3496 		}
3497 	}
3498 
3499 	if (type >= 0) {
3500 		if (output[type].fields == 0) {
3501 			pr_debug("No fields requested for %s type. "
3502 				 "Events will not be displayed.\n", event_type(type));
3503 		}
3504 	}
3505 	goto out;
3506 
3507 out_badmix:
3508 	fprintf(stderr, "Cannot mix +-field with overridden fields\n");
3509 	rc = -EINVAL;
3510 out:
3511 	free(str);
3512 	return rc;
3513 }
3514 
3515 #define for_each_lang(scripts_path, scripts_dir, lang_dirent)		\
3516 	while ((lang_dirent = readdir(scripts_dir)) != NULL)		\
3517 		if ((lang_dirent->d_type == DT_DIR ||			\
3518 		     (lang_dirent->d_type == DT_UNKNOWN &&		\
3519 		      is_directory(scripts_path, lang_dirent))) &&	\
3520 		    (strcmp(lang_dirent->d_name, ".")) &&		\
3521 		    (strcmp(lang_dirent->d_name, "..")))
3522 
3523 #define for_each_script(lang_path, lang_dir, script_dirent)		\
3524 	while ((script_dirent = readdir(lang_dir)) != NULL)		\
3525 		if (script_dirent->d_type != DT_DIR &&			\
3526 		    (script_dirent->d_type != DT_UNKNOWN ||		\
3527 		     !is_directory(lang_path, script_dirent)))
3528 
3529 
3530 #define RECORD_SUFFIX			"-record"
3531 #define REPORT_SUFFIX			"-report"
3532 
3533 struct script_desc {
3534 	struct list_head	node;
3535 	char			*name;
3536 	char			*half_liner;
3537 	char			*args;
3538 };
3539 
3540 static LIST_HEAD(script_descs);
3541 
3542 static struct script_desc *script_desc__new(const char *name)
3543 {
3544 	struct script_desc *s = zalloc(sizeof(*s));
3545 
3546 	if (s != NULL && name)
3547 		s->name = strdup(name);
3548 
3549 	return s;
3550 }
3551 
3552 static void script_desc__delete(struct script_desc *s)
3553 {
3554 	zfree(&s->name);
3555 	zfree(&s->half_liner);
3556 	zfree(&s->args);
3557 	free(s);
3558 }
3559 
3560 static void script_desc__add(struct script_desc *s)
3561 {
3562 	list_add_tail(&s->node, &script_descs);
3563 }
3564 
3565 static struct script_desc *script_desc__find(const char *name)
3566 {
3567 	struct script_desc *s;
3568 
3569 	list_for_each_entry(s, &script_descs, node)
3570 		if (strcasecmp(s->name, name) == 0)
3571 			return s;
3572 	return NULL;
3573 }
3574 
3575 static struct script_desc *script_desc__findnew(const char *name)
3576 {
3577 	struct script_desc *s = script_desc__find(name);
3578 
3579 	if (s)
3580 		return s;
3581 
3582 	s = script_desc__new(name);
3583 	if (!s)
3584 		return NULL;
3585 
3586 	script_desc__add(s);
3587 
3588 	return s;
3589 }
3590 
3591 static const char *ends_with(const char *str, const char *suffix)
3592 {
3593 	size_t suffix_len = strlen(suffix);
3594 	const char *p = str;
3595 
3596 	if (strlen(str) > suffix_len) {
3597 		p = str + strlen(str) - suffix_len;
3598 		if (!strncmp(p, suffix, suffix_len))
3599 			return p;
3600 	}
3601 
3602 	return NULL;
3603 }
3604 
3605 static int read_script_info(struct script_desc *desc, const char *filename)
3606 {
3607 	char line[BUFSIZ], *p;
3608 	FILE *fp;
3609 
3610 	fp = fopen(filename, "r");
3611 	if (!fp)
3612 		return -1;
3613 
3614 	while (fgets(line, sizeof(line), fp)) {
3615 		p = skip_spaces(line);
3616 		if (strlen(p) == 0)
3617 			continue;
3618 		if (*p != '#')
3619 			continue;
3620 		p++;
3621 		if (strlen(p) && *p == '!')
3622 			continue;
3623 
3624 		p = skip_spaces(p);
3625 		if (strlen(p) && p[strlen(p) - 1] == '\n')
3626 			p[strlen(p) - 1] = '\0';
3627 
3628 		if (!strncmp(p, "description:", strlen("description:"))) {
3629 			p += strlen("description:");
3630 			desc->half_liner = strdup(skip_spaces(p));
3631 			continue;
3632 		}
3633 
3634 		if (!strncmp(p, "args:", strlen("args:"))) {
3635 			p += strlen("args:");
3636 			desc->args = strdup(skip_spaces(p));
3637 			continue;
3638 		}
3639 	}
3640 
3641 	fclose(fp);
3642 
3643 	return 0;
3644 }
3645 
3646 static char *get_script_root(struct dirent *script_dirent, const char *suffix)
3647 {
3648 	char *script_root, *str;
3649 
3650 	script_root = strdup(script_dirent->d_name);
3651 	if (!script_root)
3652 		return NULL;
3653 
3654 	str = (char *)ends_with(script_root, suffix);
3655 	if (!str) {
3656 		free(script_root);
3657 		return NULL;
3658 	}
3659 
3660 	*str = '\0';
3661 	return script_root;
3662 }
3663 
3664 static int list_available_scripts(const struct option *opt __maybe_unused,
3665 				  const char *s __maybe_unused,
3666 				  int unset __maybe_unused)
3667 {
3668 	struct dirent *script_dirent, *lang_dirent;
3669 	char *buf, *scripts_path, *script_path, *lang_path, *first_half;
3670 	DIR *scripts_dir, *lang_dir;
3671 	struct script_desc *desc;
3672 	char *script_root;
3673 
3674 	buf = malloc(3 * MAXPATHLEN + BUFSIZ);
3675 	if (!buf) {
3676 		pr_err("malloc failed\n");
3677 		exit(-1);
3678 	}
3679 	scripts_path = buf;
3680 	script_path = buf + MAXPATHLEN;
3681 	lang_path = buf + 2 * MAXPATHLEN;
3682 	first_half = buf + 3 * MAXPATHLEN;
3683 
3684 	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3685 
3686 	scripts_dir = opendir(scripts_path);
3687 	if (!scripts_dir) {
3688 		fprintf(stdout,
3689 			"open(%s) failed.\n"
3690 			"Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
3691 			scripts_path);
3692 		free(buf);
3693 		exit(-1);
3694 	}
3695 
3696 	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3697 		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3698 			  lang_dirent->d_name);
3699 		lang_dir = opendir(lang_path);
3700 		if (!lang_dir)
3701 			continue;
3702 
3703 		for_each_script(lang_path, lang_dir, script_dirent) {
3704 			script_root = get_script_root(script_dirent, REPORT_SUFFIX);
3705 			if (script_root) {
3706 				desc = script_desc__findnew(script_root);
3707 				scnprintf(script_path, MAXPATHLEN, "%s/%s",
3708 					  lang_path, script_dirent->d_name);
3709 				read_script_info(desc, script_path);
3710 				free(script_root);
3711 			}
3712 		}
3713 	}
3714 
3715 	fprintf(stdout, "List of available trace scripts:\n");
3716 	list_for_each_entry(desc, &script_descs, node) {
3717 		sprintf(first_half, "%s %s", desc->name,
3718 			desc->args ? desc->args : "");
3719 		fprintf(stdout, "  %-36s %s\n", first_half,
3720 			desc->half_liner ? desc->half_liner : "");
3721 	}
3722 
3723 	free(buf);
3724 	exit(0);
3725 }
3726 
3727 static int add_dlarg(const struct option *opt __maybe_unused,
3728 		     const char *s, int unset __maybe_unused)
3729 {
3730 	char *arg = strdup(s);
3731 	void *a;
3732 
3733 	if (!arg)
3734 		return -1;
3735 
3736 	a = realloc(dlargv, sizeof(dlargv[0]) * (dlargc + 1));
3737 	if (!a) {
3738 		free(arg);
3739 		return -1;
3740 	}
3741 
3742 	dlargv = a;
3743 	dlargv[dlargc++] = arg;
3744 
3745 	return 0;
3746 }
3747 
3748 static void free_dlarg(void)
3749 {
3750 	while (dlargc--)
3751 		free(dlargv[dlargc]);
3752 	free(dlargv);
3753 }
3754 
3755 static char *get_script_path(const char *script_root, const char *suffix)
3756 {
3757 	struct dirent *script_dirent, *lang_dirent;
3758 	char scripts_path[MAXPATHLEN];
3759 	char script_path[MAXPATHLEN];
3760 	DIR *scripts_dir, *lang_dir;
3761 	char lang_path[MAXPATHLEN];
3762 	char *__script_root;
3763 
3764 	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3765 
3766 	scripts_dir = opendir(scripts_path);
3767 	if (!scripts_dir)
3768 		return NULL;
3769 
3770 	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3771 		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3772 			  lang_dirent->d_name);
3773 		lang_dir = opendir(lang_path);
3774 		if (!lang_dir)
3775 			continue;
3776 
3777 		for_each_script(lang_path, lang_dir, script_dirent) {
3778 			__script_root = get_script_root(script_dirent, suffix);
3779 			if (__script_root && !strcmp(script_root, __script_root)) {
3780 				free(__script_root);
3781 				closedir(scripts_dir);
3782 				scnprintf(script_path, MAXPATHLEN, "%s/%s",
3783 					  lang_path, script_dirent->d_name);
3784 				closedir(lang_dir);
3785 				return strdup(script_path);
3786 			}
3787 			free(__script_root);
3788 		}
3789 		closedir(lang_dir);
3790 	}
3791 	closedir(scripts_dir);
3792 
3793 	return NULL;
3794 }
3795 
3796 static bool is_top_script(const char *script_path)
3797 {
3798 	return ends_with(script_path, "top") != NULL;
3799 }
3800 
3801 static int has_required_arg(char *script_path)
3802 {
3803 	struct script_desc *desc;
3804 	int n_args = 0;
3805 	char *p;
3806 
3807 	desc = script_desc__new(NULL);
3808 
3809 	if (read_script_info(desc, script_path))
3810 		goto out;
3811 
3812 	if (!desc->args)
3813 		goto out;
3814 
3815 	for (p = desc->args; *p; p++)
3816 		if (*p == '<')
3817 			n_args++;
3818 out:
3819 	script_desc__delete(desc);
3820 
3821 	return n_args;
3822 }
3823 
3824 static int have_cmd(int argc, const char **argv)
3825 {
3826 	char **__argv = calloc(argc, sizeof(const char *));
3827 
3828 	if (!__argv) {
3829 		pr_err("malloc failed\n");
3830 		return -1;
3831 	}
3832 
3833 	memcpy(__argv, argv, sizeof(const char *) * argc);
3834 	argc = parse_options(argc, (const char **)__argv, record_options,
3835 			     NULL, PARSE_OPT_STOP_AT_NON_OPTION);
3836 	free(__argv);
3837 
3838 	system_wide = (argc == 0);
3839 
3840 	return 0;
3841 }
3842 
3843 static void script__setup_sample_type(struct perf_script *script)
3844 {
3845 	struct perf_session *session = script->session;
3846 	u64 sample_type = evlist__combined_sample_type(session->evlist);
3847 
3848 	callchain_param_setup(sample_type, perf_session__e_machine(session, /*e_flags=*/NULL));
3849 
3850 	if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) {
3851 		pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
3852 			   "Please apply --call-graph lbr when recording.\n");
3853 		script->stitch_lbr = false;
3854 	}
3855 }
3856 
3857 static int process_stat_round_event(const struct perf_tool *tool __maybe_unused,
3858 				    struct perf_session *session,
3859 				    union perf_event *event)
3860 {
3861 	struct perf_record_stat_round *round = &event->stat_round;
3862 	struct evsel *counter;
3863 
3864 	evlist__for_each_entry(session->evlist, counter) {
3865 		perf_stat_process_counter(&stat_config, counter);
3866 		process_stat(counter, round->time);
3867 	}
3868 
3869 	process_stat_interval(round->time);
3870 	return 0;
3871 }
3872 
3873 static int process_stat_config_event(const struct perf_tool *tool __maybe_unused,
3874 				     struct perf_session *session __maybe_unused,
3875 				     union perf_event *event)
3876 {
3877 	perf_event__read_stat_config(&stat_config, &event->stat_config);
3878 
3879 	/*
3880 	 * Aggregation modes are not used since post-processing scripts are
3881 	 * supposed to take care of such requirements
3882 	 */
3883 	stat_config.aggr_mode = AGGR_NONE;
3884 
3885 	return 0;
3886 }
3887 
3888 static int set_maps(struct perf_script *script)
3889 {
3890 	struct evlist *evlist = script->session->evlist;
3891 
3892 	if (!script->cpus || !script->threads)
3893 		return 0;
3894 
3895 	if (WARN_ONCE(script->allocated, "stats double allocation\n"))
3896 		return -EINVAL;
3897 
3898 	perf_evlist__set_maps(&evlist->core, script->cpus, script->threads);
3899 
3900 	if (evlist__alloc_stats(&stat_config, evlist, /*alloc_raw=*/true))
3901 		return -ENOMEM;
3902 
3903 	script->allocated = true;
3904 	return 0;
3905 }
3906 
3907 static
3908 int process_thread_map_event(const struct perf_tool *tool,
3909 			     struct perf_session *session __maybe_unused,
3910 			     union perf_event *event)
3911 {
3912 	struct perf_script *script = container_of(tool, struct perf_script, tool);
3913 
3914 	if (dump_trace)
3915 		perf_event__fprintf_thread_map(event, stdout);
3916 
3917 	if (script->threads) {
3918 		pr_warning("Extra thread map event, ignoring.\n");
3919 		return 0;
3920 	}
3921 
3922 	script->threads = thread_map__new_event(&event->thread_map);
3923 	if (!script->threads)
3924 		return -ENOMEM;
3925 
3926 	return set_maps(script);
3927 }
3928 
3929 static
3930 int process_cpu_map_event(const struct perf_tool *tool,
3931 			  struct perf_session *session __maybe_unused,
3932 			  union perf_event *event)
3933 {
3934 	struct perf_script *script = container_of(tool, struct perf_script, tool);
3935 
3936 	if (dump_trace)
3937 		perf_event__fprintf_cpu_map(event, stdout);
3938 
3939 	if (script->cpus) {
3940 		pr_warning("Extra cpu map event, ignoring.\n");
3941 		return 0;
3942 	}
3943 
3944 	script->cpus = cpu_map__new_data(&event->cpu_map.data);
3945 	if (!script->cpus)
3946 		return -ENOMEM;
3947 
3948 	return set_maps(script);
3949 }
3950 
3951 static int perf_script__process_auxtrace_info(const struct perf_tool *tool,
3952 					      struct perf_session *session,
3953 					      union perf_event *event)
3954 {
3955 	int ret = perf_event__process_auxtrace_info(tool, session, event);
3956 
3957 	if (ret == 0) {
3958 		struct perf_script *script = container_of(tool, struct perf_script, tool);
3959 
3960 		ret = perf_script__setup_per_event_dump(script);
3961 	}
3962 
3963 	return ret;
3964 }
3965 
3966 static int parse_insn_trace(const struct option *opt __maybe_unused,
3967 			    const char *str, int unset __maybe_unused)
3968 {
3969 	const char *fields = "+insn,-event,-period";
3970 	int ret;
3971 
3972 	if (str) {
3973 		if (strcmp(str, "disasm") == 0)
3974 			fields = "+disasm,-event,-period";
3975 		else if (strlen(str) != 0 && strcmp(str, "raw") != 0) {
3976 			fprintf(stderr, "Only accept raw|disasm\n");
3977 			return -EINVAL;
3978 		}
3979 	}
3980 
3981 	ret = parse_output_fields(NULL, fields, 0);
3982 	if (ret < 0)
3983 		return ret;
3984 
3985 	itrace_parse_synth_opts(opt, "i0nse", 0);
3986 	symbol_conf.nanosecs = true;
3987 	return 0;
3988 }
3989 
3990 static int parse_xed(const struct option *opt __maybe_unused,
3991 		     const char *str __maybe_unused,
3992 		     int unset __maybe_unused)
3993 {
3994 	if (isatty(1))
3995 		force_pager("xed -F insn: -A -64 | less");
3996 	else
3997 		force_pager("xed -F insn: -A -64");
3998 	return 0;
3999 }
4000 
4001 static int parse_call_trace(const struct option *opt __maybe_unused,
4002 			    const char *str __maybe_unused,
4003 			    int unset __maybe_unused)
4004 {
4005 	parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
4006 	itrace_parse_synth_opts(opt, "cewp", 0);
4007 	symbol_conf.nanosecs = true;
4008 	symbol_conf.pad_output_len_dso = 50;
4009 	return 0;
4010 }
4011 
4012 static int parse_callret_trace(const struct option *opt __maybe_unused,
4013 			    const char *str __maybe_unused,
4014 			    int unset __maybe_unused)
4015 {
4016 	parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
4017 	itrace_parse_synth_opts(opt, "crewp", 0);
4018 	symbol_conf.nanosecs = true;
4019 	return 0;
4020 }
4021 
4022 int cmd_script(int argc, const char **argv)
4023 {
4024 	bool show_full_info = false;
4025 	bool header = false;
4026 	bool header_only = false;
4027 	bool script_started = false;
4028 	bool unsorted_dump = false;
4029 	bool merge_deferred_callchains = true;
4030 	char *rec_script_path = NULL;
4031 	char *rep_script_path = NULL;
4032 	struct perf_session *session;
4033 	struct itrace_synth_opts itrace_synth_opts = {
4034 		.set = false,
4035 		.default_no_sample = true,
4036 	};
4037 	char *script_path = NULL;
4038 	const char *dlfilter_file = NULL;
4039 	const char **__argv;
4040 	int i, j, err = 0;
4041 	struct perf_script script = {};
4042 	struct perf_data data = {
4043 		.mode = PERF_DATA_MODE_READ,
4044 	};
4045 	const struct option options[] = {
4046 	OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
4047 		    "dump raw trace in ASCII"),
4048 	OPT_BOOLEAN(0, "dump-unsorted-raw-trace", &unsorted_dump,
4049 		    "dump unsorted raw trace in ASCII"),
4050 	OPT_INCR('v', "verbose", &verbose,
4051 		 "be more verbose (show symbol address, etc)"),
4052 	OPT_BOOLEAN('L', "Latency", &latency_format,
4053 		    "show latency attributes (irqs/preemption disabled, etc)"),
4054 	OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
4055 			   list_available_scripts),
4056 	OPT_CALLBACK_NOOPT(0, "list-dlfilters", NULL, NULL, "list available dlfilters",
4057 			   list_available_dlfilters),
4058 	OPT_CALLBACK('s', "script", NULL, "name",
4059 		     "script file name (lang:script name, script name, or *)",
4060 		     parse_scriptname),
4061 	OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
4062 		   "generate perf-script.xx script in specified language"),
4063 	OPT_STRING(0, "dlfilter", &dlfilter_file, "file", "filter .so file name"),
4064 	OPT_CALLBACK(0, "dlarg", NULL, "argument", "filter argument",
4065 		     add_dlarg),
4066 	OPT_STRING('i', "input", &input_name, "file", "input file name"),
4067 	OPT_BOOLEAN('d', "debug-mode", &debug_mode,
4068 		   "do various checks like samples ordering and lost events"),
4069 	OPT_BOOLEAN(0, "header", &header, "Show data header."),
4070 	OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
4071 	OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
4072 		   "file", "vmlinux pathname"),
4073 	OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
4074 		   "file", "kallsyms pathname"),
4075 	OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
4076 		    "When printing symbols do not display call chain"),
4077 	OPT_CALLBACK(0, "symfs", NULL, "directory[,layout]", SYMFS_HELP,
4078 		     symbol__config_symfs),
4079 	OPT_CALLBACK('F', "fields", NULL, "str",
4080 		     "comma separated output fields prepend with 'type:'. "
4081 		     "+field to add and -field to remove."
4082 		     "Valid types: hw,sw,trace,raw,synth. "
4083 		     "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,dsoff,"
4084 		     "addr,symoff,srcline,period,iregs,uregs,brstack,"
4085 		     "brstacksym,flags,data_src,weight,bpf-output,brstackinsn,"
4086 		     "brstackinsnlen,brstackdisasm,brstackoff,callindent,insn,disasm,insnlen,synth,"
4087 		     "phys_addr,metric,misc,srccode,ipc,tod,data_page_size,"
4088 		     "code_page_size,ins_lat,machine_pid,vcpu,cgroup,retire_lat,"
4089 		     "brcntr",
4090 		     parse_output_fields),
4091 	OPT_BOOLEAN('a', "all-cpus", &system_wide,
4092 		    "system-wide collection from all CPUs"),
4093 	OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
4094 		   "only consider symbols in these DSOs"),
4095 	OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
4096 		   "only consider these symbols"),
4097 	OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range,
4098 		    "Use with -S to list traced records within address range"),
4099 	OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, "raw|disasm",
4100 			"Decode instructions from itrace", parse_insn_trace),
4101 	OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
4102 			"Run xed disassembler on output", parse_xed),
4103 	OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
4104 			"Decode calls from itrace", parse_call_trace),
4105 	OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
4106 			"Decode calls and returns from itrace", parse_callret_trace),
4107 	OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",
4108 			"Only print symbols and callees with --call-trace/--call-ret-trace"),
4109 	OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
4110 		   "Stop display of callgraph at these symbols"),
4111 	OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
4112 	OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
4113 		   "only display events for these comms"),
4114 	OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
4115 		   "only consider symbols in these pids"),
4116 	OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
4117 		   "only consider symbols in these tids"),
4118 	OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
4119 		     "Set the maximum stack depth when parsing the callchain, "
4120 		     "anything beyond the specified depth will be ignored. "
4121 		     "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
4122 	OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"),
4123 	OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"),
4124 	OPT_BOOLEAN('I', "show-info", &show_full_info,
4125 		    "display extended information from perf.data file"),
4126 	OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
4127 		    "Show the path of [kernel.kallsyms]"),
4128 	OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
4129 		    "Show the fork/comm/exit events"),
4130 	OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
4131 		    "Show the mmap events"),
4132 	OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
4133 		    "Show context switch events (if recorded)"),
4134 	OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
4135 		    "Show namespace events (if recorded)"),
4136 	OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events,
4137 		    "Show cgroup events (if recorded)"),
4138 	OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
4139 		    "Show lost events (if recorded)"),
4140 	OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
4141 		    "Show round events (if recorded)"),
4142 	OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events,
4143 		    "Show bpf related events (if recorded)"),
4144 	OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events,
4145 		    "Show text poke related events (if recorded)"),
4146 	OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
4147 		    "Dump trace output to files named by the monitored events"),
4148 	OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
4149 	OPT_INTEGER(0, "max-blocks", &max_blocks,
4150 		    "Maximum number of code blocks to dump with brstackinsn"),
4151 	OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs,
4152 		    "Use 9 decimal places when displaying time"),
4153 	OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
4154 			    "Instruction Tracing options\n" ITRACE_HELP,
4155 			    itrace_parse_synth_opts),
4156 	OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
4157 			"Show full source file name path for source lines"),
4158 	OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
4159 			"Enable symbol demangling"),
4160 	OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
4161 			"Enable kernel symbol demangling"),
4162 	OPT_STRING(0, "addr2line", &symbol_conf.addr2line_path, "path",
4163 			"addr2line binary to use for line numbers"),
4164 	OPT_STRING(0, "time", &script.time_str, "str",
4165 		   "Time span of interest (start,stop)"),
4166 	OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
4167 		    "Show inline function"),
4168 	OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
4169 		   "guest mount directory under which every guest os"
4170 		   " instance has a subdir"),
4171 	OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name,
4172 		   "file", "file saving guest os vmlinux"),
4173 	OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms,
4174 		   "file", "file saving guest os /proc/kallsyms"),
4175 	OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
4176 		   "file", "file saving guest os /proc/modules"),
4177 	OPT_BOOLEAN(0, "guest-code", &symbol_conf.guest_code,
4178 		    "Guest code can be found in hypervisor process"),
4179 	OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr,
4180 		    "Enable LBR callgraph stitching approach"),
4181 	OPT_BOOLEAN('\0', "merge-callchains", &merge_deferred_callchains,
4182 		    "Enable merge deferred user callchains"),
4183 	OPTS_EVSWITCH(&script.evswitch),
4184 	OPT_END()
4185 	};
4186 	const char * const script_subcommands[] = { "record", "report", NULL };
4187 	const char *script_usage[] = {
4188 		"perf script [<options>]",
4189 		"perf script [<options>] record <script> [<record-options>] <command>",
4190 		"perf script [<options>] report <script> [script-args]",
4191 		"perf script [<options>] <script> [<record-options>] <command>",
4192 		"perf script [<options>] <top-script> [script-args]",
4193 		NULL
4194 	};
4195 	struct perf_env *env;
4196 
4197 	perf_set_singlethreaded();
4198 
4199 	setup_scripting();
4200 
4201 	argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
4202 			     PARSE_OPT_STOP_AT_NON_OPTION);
4203 
4204 	if (symbol_conf.guestmount ||
4205 	    symbol_conf.default_guest_vmlinux_name ||
4206 	    symbol_conf.default_guest_kallsyms ||
4207 	    symbol_conf.default_guest_modules ||
4208 	    symbol_conf.guest_code) {
4209 		/*
4210 		 * Enable guest sample processing.
4211 		 */
4212 		perf_guest = true;
4213 	}
4214 
4215 	data.path  = input_name;
4216 	data.force = symbol_conf.force;
4217 
4218 	if (unsorted_dump)
4219 		dump_trace = true;
4220 
4221 	if (symbol__validate_sym_arguments())
4222 		return -1;
4223 
4224 	if (argc > 1 && strlen(argv[0]) > 2 && strstarts("record", argv[0])) {
4225 		rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
4226 		if (!rec_script_path)
4227 			return cmd_record(argc, argv);
4228 	}
4229 
4230 	if (argc > 1 && strlen(argv[0]) > 2 && strstarts("report", argv[0])) {
4231 		rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
4232 		if (!rep_script_path) {
4233 			fprintf(stderr,
4234 				"Please specify a valid report script"
4235 				"(see 'perf script -l' for listing)\n");
4236 			return -1;
4237 		}
4238 	}
4239 
4240 	if (reltime && deltatime) {
4241 		fprintf(stderr,
4242 			"reltime and deltatime - the two don't get along well. "
4243 			"Please limit to --reltime or --deltatime.\n");
4244 		return -1;
4245 	}
4246 
4247 	if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) &&
4248 	    itrace_synth_opts.callchain_sz > scripting_max_stack)
4249 		scripting_max_stack = itrace_synth_opts.callchain_sz;
4250 
4251 	/* make sure PERF_EXEC_PATH is set for scripts */
4252 	set_argv_exec_path(get_argv_exec_path());
4253 
4254 	if (argc && !script_name && !rec_script_path && !rep_script_path) {
4255 		int live_pipe[2];
4256 		int rep_args;
4257 		pid_t pid;
4258 
4259 		rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
4260 		rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
4261 
4262 		if (!rec_script_path && !rep_script_path) {
4263 			script_name = find_script(argv[0]);
4264 			if (script_name) {
4265 				argc -= 1;
4266 				argv += 1;
4267 				goto script_found;
4268 			}
4269 			usage_with_options_msg(script_usage, options,
4270 				"Couldn't find script `%s'\n\n See perf"
4271 				" script -l for available scripts.\n", argv[0]);
4272 		}
4273 
4274 		if (is_top_script(argv[0])) {
4275 			rep_args = argc - 1;
4276 		} else {
4277 			int rec_args;
4278 
4279 			rep_args = has_required_arg(rep_script_path);
4280 			rec_args = (argc - 1) - rep_args;
4281 			if (rec_args < 0) {
4282 				usage_with_options_msg(script_usage, options,
4283 					"`%s' script requires options."
4284 					"\n\n See perf script -l for available "
4285 					"scripts and options.\n", argv[0]);
4286 			}
4287 		}
4288 
4289 		if (pipe(live_pipe) < 0) {
4290 			perror("failed to create pipe");
4291 			return -1;
4292 		}
4293 
4294 		pid = fork();
4295 		if (pid < 0) {
4296 			perror("failed to fork");
4297 			return -1;
4298 		}
4299 
4300 		if (!pid) {
4301 			j = 0;
4302 
4303 			dup2(live_pipe[1], 1);
4304 			close(live_pipe[0]);
4305 
4306 			if (is_top_script(argv[0])) {
4307 				system_wide = true;
4308 			} else if (!system_wide) {
4309 				if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
4310 					err = -1;
4311 					goto out;
4312 				}
4313 			}
4314 
4315 			__argv = calloc(argc + 6, sizeof(const char *));
4316 			if (!__argv) {
4317 				pr_err("malloc failed\n");
4318 				err = -ENOMEM;
4319 				goto out;
4320 			}
4321 
4322 			__argv[j++] = "/bin/sh";
4323 			__argv[j++] = rec_script_path;
4324 			if (system_wide)
4325 				__argv[j++] = "-a";
4326 			__argv[j++] = "-q";
4327 			__argv[j++] = "-o";
4328 			__argv[j++] = "-";
4329 			for (i = rep_args + 1; i < argc; i++)
4330 				__argv[j++] = argv[i];
4331 			__argv[j++] = NULL;
4332 
4333 			execvp("/bin/sh", (char **)__argv);
4334 			free(__argv);
4335 			exit(-1);
4336 		}
4337 
4338 		dup2(live_pipe[0], 0);
4339 		close(live_pipe[1]);
4340 
4341 		__argv = calloc(argc + 4, sizeof(const char *));
4342 		if (!__argv) {
4343 			pr_err("malloc failed\n");
4344 			err = -ENOMEM;
4345 			goto out;
4346 		}
4347 
4348 		j = 0;
4349 		__argv[j++] = "/bin/sh";
4350 		__argv[j++] = rep_script_path;
4351 		for (i = 1; i < rep_args + 1; i++)
4352 			__argv[j++] = argv[i];
4353 		__argv[j++] = "-i";
4354 		__argv[j++] = "-";
4355 		__argv[j++] = NULL;
4356 
4357 		execvp("/bin/sh", (char **)__argv);
4358 		free(__argv);
4359 		exit(-1);
4360 	}
4361 script_found:
4362 	if (rec_script_path)
4363 		script_path = rec_script_path;
4364 	if (rep_script_path)
4365 		script_path = rep_script_path;
4366 
4367 	if (script_path) {
4368 		j = 0;
4369 
4370 		if (!rec_script_path)
4371 			system_wide = false;
4372 		else if (!system_wide) {
4373 			if (have_cmd(argc - 1, &argv[1]) != 0) {
4374 				err = -1;
4375 				goto out;
4376 			}
4377 		}
4378 
4379 		__argv = calloc(argc + 2, sizeof(const char *));
4380 		if (!__argv) {
4381 			pr_err("malloc failed\n");
4382 			err = -ENOMEM;
4383 			goto out;
4384 		}
4385 
4386 		__argv[j++] = "/bin/sh";
4387 		__argv[j++] = script_path;
4388 		if (system_wide)
4389 			__argv[j++] = "-a";
4390 		for (i = 2; i < argc; i++)
4391 			__argv[j++] = argv[i];
4392 		__argv[j++] = NULL;
4393 
4394 		execvp("/bin/sh", (char **)__argv);
4395 		free(__argv);
4396 		exit(-1);
4397 	}
4398 
4399 	if (dlfilter_file) {
4400 		dlfilter = dlfilter__new(dlfilter_file, dlargc, dlargv);
4401 		if (!dlfilter)
4402 			return -1;
4403 	}
4404 
4405 	if (!script_name) {
4406 		setup_pager();
4407 		use_browser = 0;
4408 	}
4409 
4410 	perf_tool__init(&script.tool, !unsorted_dump);
4411 	script.tool.sample		 = process_sample_event;
4412 	script.tool.callchain_deferred	 = process_deferred_sample_event;
4413 	script.tool.mmap		 = perf_event__process_mmap;
4414 	script.tool.mmap2		 = perf_event__process_mmap2;
4415 	script.tool.comm		 = perf_event__process_comm;
4416 	script.tool.namespaces		 = perf_event__process_namespaces;
4417 	script.tool.cgroup		 = perf_event__process_cgroup;
4418 	script.tool.exit		 = perf_event__process_exit;
4419 	script.tool.fork		 = perf_event__process_fork;
4420 	script.tool.attr		 = process_attr;
4421 	script.tool.event_update	 = perf_event__process_event_update;
4422 #ifdef HAVE_LIBTRACEEVENT
4423 	script.tool.tracing_data	 = perf_event__process_tracing_data;
4424 #endif
4425 	script.tool.feature		 = perf_event__process_feature;
4426 	script.tool.build_id		 = perf_event__process_build_id;
4427 	script.tool.id_index		 = perf_event__process_id_index;
4428 	script.tool.auxtrace_info	 = perf_script__process_auxtrace_info;
4429 	script.tool.auxtrace		 = perf_event__process_auxtrace;
4430 	script.tool.auxtrace_error	 = perf_event__process_auxtrace_error;
4431 	script.tool.stat		 = perf_event__process_stat_event;
4432 	script.tool.stat_round		 = process_stat_round_event;
4433 	script.tool.stat_config		 = process_stat_config_event;
4434 	script.tool.thread_map		 = process_thread_map_event;
4435 	script.tool.cpu_map		 = process_cpu_map_event;
4436 	script.tool.throttle		 = process_throttle_event;
4437 	script.tool.unthrottle		 = process_throttle_event;
4438 	script.tool.ordering_requires_timestamps = true;
4439 	script.tool.merge_deferred_callchains = merge_deferred_callchains;
4440 	session = perf_session__new(&data, &script.tool);
4441 	if (IS_ERR(session))
4442 		return PTR_ERR(session);
4443 
4444 	env = perf_session__env(session);
4445 	if (header || header_only) {
4446 		script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
4447 		perf_session__fprintf_info(session, stdout, show_full_info);
4448 		if (header_only)
4449 			goto out_delete;
4450 	}
4451 	if (show_full_info)
4452 		script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
4453 
4454 	if (symbol__init(env) < 0)
4455 		goto out_delete;
4456 
4457 	script.session = session;
4458 	script__setup_sample_type(&script);
4459 
4460 	if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) ||
4461 	    symbol_conf.graph_function)
4462 		itrace_synth_opts.thread_stack = true;
4463 
4464 	session->itrace_synth_opts = &itrace_synth_opts;
4465 
4466 	if (cpu_list) {
4467 		err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
4468 		if (err < 0)
4469 			goto out_delete;
4470 		itrace_synth_opts.cpu_bitmap = cpu_bitmap;
4471 	}
4472 
4473 	if (!no_callchain)
4474 		symbol_conf.use_callchain = true;
4475 	else
4476 		symbol_conf.use_callchain = false;
4477 
4478 #ifdef HAVE_LIBTRACEEVENT
4479 	if (session->tevent.pevent &&
4480 	    tep_set_function_resolver(session->tevent.pevent,
4481 				      machine__resolve_kernel_addr,
4482 				      &session->machines.host) < 0) {
4483 		pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
4484 		err = -1;
4485 		goto out_delete;
4486 	}
4487 #endif
4488 	if (generate_script_lang) {
4489 		struct stat perf_stat;
4490 		int input;
4491 		char *filename = strdup("perf-script");
4492 
4493 		if (output_set_by_user()) {
4494 			fprintf(stderr,
4495 				"custom fields not supported for generated scripts");
4496 			err = -EINVAL;
4497 			goto out_delete;
4498 		}
4499 
4500 		input = open(data.path, O_RDONLY);	/* input_name */
4501 		if (input < 0) {
4502 			err = -errno;
4503 			perror("failed to open file");
4504 			goto out_delete;
4505 		}
4506 
4507 		err = fstat(input, &perf_stat);
4508 		if (err < 0) {
4509 			perror("failed to stat file");
4510 			goto out_delete;
4511 		}
4512 
4513 		if (!perf_stat.st_size) {
4514 			fprintf(stderr, "zero-sized file, nothing to do!\n");
4515 			goto out_delete;
4516 		}
4517 
4518 		scripting_ops = script_spec__lookup(generate_script_lang);
4519 		if (!scripting_ops && ends_with(generate_script_lang, ".py")) {
4520 			scripting_ops = script_spec__lookup("python");
4521 			free(filename);
4522 			filename = strdup(generate_script_lang);
4523 			filename[strlen(filename) - 3] = '\0';
4524 		} else if (!scripting_ops && ends_with(generate_script_lang, ".pl")) {
4525 			scripting_ops = script_spec__lookup("perl");
4526 			free(filename);
4527 			filename = strdup(generate_script_lang);
4528 			filename[strlen(filename) - 3] = '\0';
4529 		}
4530 		if (!scripting_ops) {
4531 			fprintf(stderr, "invalid language specifier '%s'\n", generate_script_lang);
4532 			err = -ENOENT;
4533 			goto out_delete;
4534 		}
4535 		if (!filename) {
4536 			err = -ENOMEM;
4537 			goto out_delete;
4538 		}
4539 #ifdef HAVE_LIBTRACEEVENT
4540 		err = scripting_ops->generate_script(session->tevent.pevent, filename);
4541 #else
4542 		err = scripting_ops->generate_script(NULL, filename);
4543 #endif
4544 		free(filename);
4545 		goto out_delete;
4546 	}
4547 
4548 	err = dlfilter__start(dlfilter, session);
4549 	if (err)
4550 		goto out_delete;
4551 
4552 	if (script_name) {
4553 		err = scripting_ops->start_script(script_name, argc, argv, session);
4554 		if (err)
4555 			goto out_delete;
4556 		pr_debug("perf script started with script %s\n\n", script_name);
4557 		script_started = true;
4558 	}
4559 
4560 
4561 	err = perf_session__check_output_opt(session);
4562 	if (err < 0)
4563 		goto out_delete;
4564 
4565 	if (script.time_str) {
4566 		err = perf_time__parse_for_ranges_reltime(script.time_str, session,
4567 						  &script.ptime_range,
4568 						  &script.range_size,
4569 						  &script.range_num,
4570 						  reltime);
4571 		if (err < 0)
4572 			goto out_delete;
4573 
4574 		itrace_synth_opts__set_time_range(&itrace_synth_opts,
4575 						  script.ptime_range,
4576 						  script.range_num);
4577 	}
4578 
4579 	err = evswitch__init(&script.evswitch, session->evlist, stderr);
4580 	if (err)
4581 		goto out_delete;
4582 
4583 	if (zstd_init(&(session->zstd_data), 0) < 0)
4584 		pr_warning("Decompression initialization failed. Reported data may be incomplete.\n");
4585 
4586 	err = __cmd_script(&script);
4587 
4588 	flush_scripting();
4589 
4590 	if (verbose > 2 || debug_kmaps)
4591 		perf_session__dump_kmaps(session);
4592 
4593 out_delete:
4594 	if (script.ptime_range) {
4595 		itrace_synth_opts__clear_time_range(&itrace_synth_opts);
4596 		zfree(&script.ptime_range);
4597 	}
4598 
4599 	zstd_fini(&(session->zstd_data));
4600 	evlist__free_stats(session->evlist);
4601 	perf_session__delete(session);
4602 	perf_script__exit(&script);
4603 
4604 	if (script_started)
4605 		cleanup_scripting();
4606 	dlfilter__cleanup(dlfilter);
4607 	free_dlarg();
4608 out:
4609 	return err;
4610 }
4611