xref: /linux/tools/perf/builtin-script.c (revision 473f6c8f437b049f8ec015d57cd59bb983b1d85c)
1 // SPDX-License-Identifier: GPL-2.0
2 #include <errno.h>
3 #include <inttypes.h>
4 #include <signal.h>
5 #include <stdio.h>
6 
7 #include <dirent.h>
8 #include <fcntl.h>
9 #include <linux/bitmap.h>
10 #include <linux/compiler.h>
11 #include <linux/ctype.h>
12 #include <linux/err.h>
13 #include <linux/kernel.h>
14 #include <linux/stringify.h>
15 #include <linux/time64.h>
16 #include <linux/unaligned.h>
17 #include <linux/zalloc.h>
18 #include <sys/param.h>
19 #include <sys/stat.h>
20 #include <sys/types.h>
21 #include <sys/utsname.h>
22 #include <unistd.h>
23 
24 #include <perf/evlist.h>
25 #include <subcmd/exec-cmd.h>
26 #include <subcmd/pager.h>
27 #include <subcmd/parse-options.h>
28 
29 #include "asm/bug.h"
30 #include "builtin.h"
31 #include "perf.h"
32 #include "print_binary.h"
33 #include "print_insn.h"
34 #include "ui/ui.h"
35 #include "util/annotate.h"
36 #include "util/auxtrace.h"
37 #include "util/cgroup.h"
38 #include "util/color.h"
39 #include "util/counts.h"
40 #include "util/cpumap.h"
41 #include "util/data.h"
42 #include "util/debug.h"
43 #include "util/dlfilter.h"
44 #include "util/dso.h"
45 #include "util/dump-insn.h"
46 #include "util/env.h"
47 #include "util/event.h"
48 #include "util/evlist.h"
49 #include "util/evsel.h"
50 #include "util/evsel_fprintf.h"
51 #include "util/evswitch.h"
52 #include "util/header.h"
53 #include "util/map.h"
54 #include "util/mem-events.h"
55 #include "util/mem-info.h"
56 #include "util/metricgroup.h"
57 #include "util/path.h"
58 #include "util/perf_regs.h"
59 #include "util/pmu.h"
60 #include "util/record.h"
61 #include "util/session.h"
62 #include "util/sort.h"
63 #include "util/srcline.h"
64 #include "util/stat.h"
65 #include "util/string2.h"
66 #include "util/symbol.h"
67 #include "util/thread-stack.h"
68 #include "util/thread.h"
69 #include "util/thread_map.h"
70 #include "util/time-utils.h"
71 #include "util/tool.h"
72 #include "util/trace-event.h"
73 #include "util/unwind.h"
74 #include "util/util.h"
75 
76 #ifdef HAVE_LIBTRACEEVENT
77 #include <event-parse.h>
78 #endif
79 
80 static char const		*script_name;
81 static char const		*generate_script_lang;
82 static bool			reltime;
83 static bool			deltatime;
84 static u64			initial_time;
85 static u64			previous_time;
86 static bool			debug_mode;
87 static u64			last_timestamp;
88 static u64			nr_unordered;
89 static bool			no_callchain;
90 static bool			latency_format;
91 static bool			system_wide;
92 static bool			print_flags;
93 static const char		*cpu_list;
94 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
95 static int			max_blocks;
96 static struct dlfilter		*dlfilter;
97 static int			dlargc;
98 static char			**dlargv;
99 
100 enum perf_output_field {
101 	PERF_OUTPUT_COMM            = 1ULL << 0,
102 	PERF_OUTPUT_TID             = 1ULL << 1,
103 	PERF_OUTPUT_PID             = 1ULL << 2,
104 	PERF_OUTPUT_TIME            = 1ULL << 3,
105 	PERF_OUTPUT_CPU             = 1ULL << 4,
106 	PERF_OUTPUT_EVNAME          = 1ULL << 5,
107 	PERF_OUTPUT_TRACE           = 1ULL << 6,
108 	PERF_OUTPUT_IP              = 1ULL << 7,
109 	PERF_OUTPUT_SYM             = 1ULL << 8,
110 	PERF_OUTPUT_DSO             = 1ULL << 9,
111 	PERF_OUTPUT_ADDR            = 1ULL << 10,
112 	PERF_OUTPUT_SYMOFFSET       = 1ULL << 11,
113 	PERF_OUTPUT_SRCLINE         = 1ULL << 12,
114 	PERF_OUTPUT_PERIOD          = 1ULL << 13,
115 	PERF_OUTPUT_IREGS	    = 1ULL << 14,
116 	PERF_OUTPUT_BRSTACK	    = 1ULL << 15,
117 	PERF_OUTPUT_BRSTACKSYM	    = 1ULL << 16,
118 	PERF_OUTPUT_DATA_SRC	    = 1ULL << 17,
119 	PERF_OUTPUT_WEIGHT	    = 1ULL << 18,
120 	PERF_OUTPUT_BPF_OUTPUT	    = 1ULL << 19,
121 	PERF_OUTPUT_CALLINDENT	    = 1ULL << 20,
122 	PERF_OUTPUT_INSN	    = 1ULL << 21,
123 	PERF_OUTPUT_INSNLEN	    = 1ULL << 22,
124 	PERF_OUTPUT_BRSTACKINSN	    = 1ULL << 23,
125 	PERF_OUTPUT_BRSTACKOFF	    = 1ULL << 24,
126 	PERF_OUTPUT_SYNTH           = 1ULL << 25,
127 	PERF_OUTPUT_PHYS_ADDR       = 1ULL << 26,
128 	PERF_OUTPUT_UREGS	    = 1ULL << 27,
129 	PERF_OUTPUT_METRIC	    = 1ULL << 28,
130 	PERF_OUTPUT_MISC            = 1ULL << 29,
131 	PERF_OUTPUT_SRCCODE	    = 1ULL << 30,
132 	PERF_OUTPUT_IPC             = 1ULL << 31,
133 	PERF_OUTPUT_TOD             = 1ULL << 32,
134 	PERF_OUTPUT_DATA_PAGE_SIZE  = 1ULL << 33,
135 	PERF_OUTPUT_CODE_PAGE_SIZE  = 1ULL << 34,
136 	PERF_OUTPUT_INS_LAT         = 1ULL << 35,
137 	PERF_OUTPUT_BRSTACKINSNLEN  = 1ULL << 36,
138 	PERF_OUTPUT_MACHINE_PID     = 1ULL << 37,
139 	PERF_OUTPUT_VCPU            = 1ULL << 38,
140 	PERF_OUTPUT_CGROUP          = 1ULL << 39,
141 	PERF_OUTPUT_RETIRE_LAT      = 1ULL << 40,
142 	PERF_OUTPUT_DSOFF           = 1ULL << 41,
143 	PERF_OUTPUT_DISASM          = 1ULL << 42,
144 	PERF_OUTPUT_BRSTACKDISASM   = 1ULL << 43,
145 	PERF_OUTPUT_BRCNTR          = 1ULL << 44,
146 };
147 
148 struct perf_script {
149 	struct perf_tool	tool;
150 	struct perf_session	*session;
151 	bool			show_task_events;
152 	bool			show_mmap_events;
153 	bool			show_switch_events;
154 	bool			show_namespace_events;
155 	bool			show_lost_events;
156 	bool			show_round_events;
157 	bool			show_bpf_events;
158 	bool			show_cgroup_events;
159 	bool			show_text_poke_events;
160 	bool			allocated;
161 	bool			per_event_dump;
162 	bool			stitch_lbr;
163 	struct evswitch		evswitch;
164 	struct perf_cpu_map	*cpus;
165 	struct perf_thread_map *threads;
166 	int			name_width;
167 	const char              *time_str;
168 	struct perf_time_interval *ptime_range;
169 	int			range_size;
170 	int			range_num;
171 };
172 
173 static struct output_option {
174 	const char *str;
175 	enum perf_output_field field;
176 } all_output_options[] = {
177 	{.str = "comm",  .field = PERF_OUTPUT_COMM},
178 	{.str = "tid",   .field = PERF_OUTPUT_TID},
179 	{.str = "pid",   .field = PERF_OUTPUT_PID},
180 	{.str = "time",  .field = PERF_OUTPUT_TIME},
181 	{.str = "cpu",   .field = PERF_OUTPUT_CPU},
182 	{.str = "event", .field = PERF_OUTPUT_EVNAME},
183 	{.str = "trace", .field = PERF_OUTPUT_TRACE},
184 	{.str = "ip",    .field = PERF_OUTPUT_IP},
185 	{.str = "sym",   .field = PERF_OUTPUT_SYM},
186 	{.str = "dso",   .field = PERF_OUTPUT_DSO},
187 	{.str = "dsoff", .field = PERF_OUTPUT_DSOFF},
188 	{.str = "addr",  .field = PERF_OUTPUT_ADDR},
189 	{.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
190 	{.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
191 	{.str = "period", .field = PERF_OUTPUT_PERIOD},
192 	{.str = "iregs", .field = PERF_OUTPUT_IREGS},
193 	{.str = "uregs", .field = PERF_OUTPUT_UREGS},
194 	{.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
195 	{.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
196 	{.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
197 	{.str = "weight",   .field = PERF_OUTPUT_WEIGHT},
198 	{.str = "bpf-output",   .field = PERF_OUTPUT_BPF_OUTPUT},
199 	{.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
200 	{.str = "insn", .field = PERF_OUTPUT_INSN},
201 	{.str = "disasm", .field = PERF_OUTPUT_DISASM},
202 	{.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
203 	{.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
204 	{.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
205 	{.str = "synth", .field = PERF_OUTPUT_SYNTH},
206 	{.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
207 	{.str = "metric", .field = PERF_OUTPUT_METRIC},
208 	{.str = "misc", .field = PERF_OUTPUT_MISC},
209 	{.str = "srccode", .field = PERF_OUTPUT_SRCCODE},
210 	{.str = "ipc", .field = PERF_OUTPUT_IPC},
211 	{.str = "tod", .field = PERF_OUTPUT_TOD},
212 	{.str = "data_page_size", .field = PERF_OUTPUT_DATA_PAGE_SIZE},
213 	{.str = "code_page_size", .field = PERF_OUTPUT_CODE_PAGE_SIZE},
214 	{.str = "ins_lat", .field = PERF_OUTPUT_INS_LAT},
215 	{.str = "brstackinsnlen", .field = PERF_OUTPUT_BRSTACKINSNLEN},
216 	{.str = "machine_pid", .field = PERF_OUTPUT_MACHINE_PID},
217 	{.str = "vcpu", .field = PERF_OUTPUT_VCPU},
218 	{.str = "cgroup", .field = PERF_OUTPUT_CGROUP},
219 	{.str = "retire_lat", .field = PERF_OUTPUT_RETIRE_LAT},
220 	{.str = "brstackdisasm", .field = PERF_OUTPUT_BRSTACKDISASM},
221 	{.str = "brcntr", .field = PERF_OUTPUT_BRCNTR},
222 };
223 
224 enum {
225 	OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
226 	OUTPUT_TYPE_OTHER,
227 	OUTPUT_TYPE_MAX
228 };
229 
230 // We need to refactor the evsel->priv use in 'perf script' to allow for
231 // using that area, that is being used only in some cases.
232 #define OUTPUT_TYPE_UNSET -1
233 
234 /* default set to maintain compatibility with current format */
235 static struct {
236 	bool user_set;
237 	bool wildcard_set;
238 	unsigned int print_ip_opts;
239 	u64 fields;
240 	u64 invalid_fields;
241 	u64 user_set_fields;
242 	u64 user_unset_fields;
243 } output[OUTPUT_TYPE_MAX] = {
244 
245 	[PERF_TYPE_HARDWARE] = {
246 		.user_set = false,
247 
248 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
249 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
250 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
251 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
252 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
253 
254 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
255 	},
256 
257 	[PERF_TYPE_SOFTWARE] = {
258 		.user_set = false,
259 
260 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
261 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
262 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
263 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
264 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
265 			      PERF_OUTPUT_BPF_OUTPUT,
266 
267 		.invalid_fields = PERF_OUTPUT_TRACE,
268 	},
269 
270 	[PERF_TYPE_TRACEPOINT] = {
271 		.user_set = false,
272 
273 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
274 				  PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
275 				  PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
276 	},
277 
278 	[PERF_TYPE_HW_CACHE] = {
279 		.user_set = false,
280 
281 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
282 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
283 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
284 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
285 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
286 
287 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
288 	},
289 
290 	[PERF_TYPE_RAW] = {
291 		.user_set = false,
292 
293 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
294 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
295 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
296 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
297 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
298 			      PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
299 			      PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR |
300 			      PERF_OUTPUT_DATA_PAGE_SIZE | PERF_OUTPUT_CODE_PAGE_SIZE |
301 			      PERF_OUTPUT_INS_LAT | PERF_OUTPUT_RETIRE_LAT,
302 
303 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
304 	},
305 
306 	[PERF_TYPE_BREAKPOINT] = {
307 		.user_set = false,
308 
309 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
310 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
311 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
312 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
313 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
314 
315 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
316 	},
317 
318 	[OUTPUT_TYPE_SYNTH] = {
319 		.user_set = false,
320 
321 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
322 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
323 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
324 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
325 			      PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH,
326 
327 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
328 	},
329 
330 	[OUTPUT_TYPE_OTHER] = {
331 		.user_set = false,
332 
333 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
334 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
335 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
336 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
337 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
338 
339 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
340 	},
341 };
342 
343 struct evsel_script {
344        char *filename;
345        FILE *fp;
346        u64  samples;
347 };
348 
349 static struct evsel_script *evsel_script__new(struct evsel *evsel, struct perf_data *data)
350 {
351 	struct evsel_script *es = zalloc(sizeof(*es));
352 
353 	if (es != NULL) {
354 		if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0)
355 			goto out_free;
356 		es->fp = fopen(es->filename, "w");
357 		if (es->fp == NULL)
358 			goto out_free_filename;
359 	}
360 
361 	return es;
362 out_free_filename:
363 	zfree(&es->filename);
364 out_free:
365 	free(es);
366 	return NULL;
367 }
368 
369 static void evsel_script__delete(struct evsel_script *es)
370 {
371 	zfree(&es->filename);
372 	fclose(es->fp);
373 	es->fp = NULL;
374 	free(es);
375 }
376 
377 static int evsel_script__fprintf(struct evsel_script *es, FILE *fp)
378 {
379 	struct stat st;
380 
381 	fstat(fileno(es->fp), &st);
382 	return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
383 		       st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
384 }
385 
386 static inline int output_type(unsigned int type)
387 {
388 	switch (type) {
389 	case PERF_TYPE_SYNTH:
390 		return OUTPUT_TYPE_SYNTH;
391 	default:
392 		if (type < PERF_TYPE_MAX)
393 			return type;
394 	}
395 
396 	return OUTPUT_TYPE_OTHER;
397 }
398 
399 static inline int evsel__output_type(struct evsel *evsel)
400 {
401 	int type = evsel->script_output_type;
402 
403 	if (type == OUTPUT_TYPE_UNSET) {
404 		type = output_type(evsel->core.attr.type);
405 		if (type == OUTPUT_TYPE_OTHER) {
406 			struct perf_pmu *pmu = evsel__find_pmu(evsel);
407 
408 			if (pmu && pmu->is_core)
409 				type = PERF_TYPE_RAW;
410 		}
411 		evsel->script_output_type = type;
412 	}
413 
414 	return type;
415 }
416 
417 static bool output_set_by_user(void)
418 {
419 	int j;
420 	for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
421 		if (output[j].user_set)
422 			return true;
423 	}
424 	return false;
425 }
426 
427 static const char *output_field2str(enum perf_output_field field)
428 {
429 	int i, imax = ARRAY_SIZE(all_output_options);
430 	const char *str = "";
431 
432 	for (i = 0; i < imax; ++i) {
433 		if (all_output_options[i].field == field) {
434 			str = all_output_options[i].str;
435 			break;
436 		}
437 	}
438 	return str;
439 }
440 
441 #define PRINT_FIELD(x)  (output[evsel__output_type(evsel)].fields & PERF_OUTPUT_##x)
442 
443 static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
444 				 enum perf_output_field field, bool allow_user_set)
445 {
446 	struct perf_event_attr *attr = &evsel->core.attr;
447 	int type = evsel__output_type(evsel);
448 	const char *evname;
449 
450 	if (attr->sample_type & sample_type)
451 		return 0;
452 
453 	if (output[type].user_set_fields & field) {
454 		if (allow_user_set)
455 			return 0;
456 		evname = evsel__name(evsel);
457 		pr_err("Samples for '%s' event do not have %s attribute set. "
458 		       "Cannot print '%s' field.\n",
459 		       evname, sample_msg, output_field2str(field));
460 		return -1;
461 	}
462 
463 	/* user did not ask for it explicitly so remove from the default list */
464 	output[type].fields &= ~field;
465 	evname = evsel__name(evsel);
466 	pr_debug("Samples for '%s' event do not have %s attribute set. "
467 		 "Skipping '%s' field.\n",
468 		 evname, sample_msg, output_field2str(field));
469 
470 	return 0;
471 }
472 
473 static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
474 			      enum perf_output_field field)
475 {
476 	return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false);
477 }
478 
479 static int evsel__check_attr(struct evsel *evsel, struct perf_session *session)
480 {
481 	bool allow_user_set;
482 
483 	if (evsel__is_dummy_event(evsel))
484 		return 0;
485 
486 	if (perf_header__has_feat(&session->header, HEADER_STAT))
487 		return 0;
488 
489 	allow_user_set = perf_header__has_feat(&session->header,
490 					       HEADER_AUXTRACE);
491 
492 	if (PRINT_FIELD(TRACE) &&
493 	    !perf_session__has_traces(session, "record -R"))
494 		return -EINVAL;
495 
496 	if (PRINT_FIELD(IP)) {
497 		if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP))
498 			return -EINVAL;
499 	}
500 
501 	if (PRINT_FIELD(ADDR) &&
502 	    evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set))
503 		return -EINVAL;
504 
505 	if (PRINT_FIELD(DATA_SRC) &&
506 	    evsel__do_check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC, allow_user_set))
507 		return -EINVAL;
508 
509 	if (PRINT_FIELD(WEIGHT) &&
510 	    evsel__do_check_stype(evsel, PERF_SAMPLE_WEIGHT_TYPE, "WEIGHT", PERF_OUTPUT_WEIGHT, allow_user_set))
511 		return -EINVAL;
512 
513 	if (PRINT_FIELD(SYM) &&
514 	    !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
515 		pr_err("Display of symbols requested but neither sample IP nor "
516 			   "sample address\navailable. Hence, no addresses to convert "
517 		       "to symbols.\n");
518 		return -EINVAL;
519 	}
520 	if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
521 		pr_err("Display of offsets requested but symbol is not"
522 		       "selected.\n");
523 		return -EINVAL;
524 	}
525 	if (PRINT_FIELD(DSO) &&
526 	    !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
527 		pr_err("Display of DSO requested but no address to convert.\n");
528 		return -EINVAL;
529 	}
530 	if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) {
531 		pr_err("Display of source line number requested but sample IP is not\n"
532 		       "selected. Hence, no address to lookup the source line number.\n");
533 		return -EINVAL;
534 	}
535 	if ((PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN) || PRINT_FIELD(BRSTACKDISASM))
536 	    && !allow_user_set &&
537 	    !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) {
538 		pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
539 		       "Hint: run 'perf record -b ...'\n");
540 		return -EINVAL;
541 	}
542 	if (PRINT_FIELD(BRCNTR) &&
543 	    !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_COUNTERS)) {
544 		pr_err("Display of branch counter requested but it's not enabled\n"
545 		       "Hint: run 'perf record -j any,counter ...'\n");
546 		return -EINVAL;
547 	}
548 	if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
549 	    evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID))
550 		return -EINVAL;
551 
552 	if (PRINT_FIELD(TIME) &&
553 	    evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME))
554 		return -EINVAL;
555 
556 	if (PRINT_FIELD(CPU) &&
557 	    evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set))
558 		return -EINVAL;
559 
560 	if (PRINT_FIELD(IREGS) &&
561 	    evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set))
562 		return -EINVAL;
563 
564 	if (PRINT_FIELD(UREGS) &&
565 	    evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS))
566 		return -EINVAL;
567 
568 	if (PRINT_FIELD(PHYS_ADDR) &&
569 	    evsel__do_check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR, allow_user_set))
570 		return -EINVAL;
571 
572 	if (PRINT_FIELD(DATA_PAGE_SIZE) &&
573 	    evsel__check_stype(evsel, PERF_SAMPLE_DATA_PAGE_SIZE, "DATA_PAGE_SIZE", PERF_OUTPUT_DATA_PAGE_SIZE))
574 		return -EINVAL;
575 
576 	if (PRINT_FIELD(CODE_PAGE_SIZE) &&
577 	    evsel__check_stype(evsel, PERF_SAMPLE_CODE_PAGE_SIZE, "CODE_PAGE_SIZE", PERF_OUTPUT_CODE_PAGE_SIZE))
578 		return -EINVAL;
579 
580 	if (PRINT_FIELD(INS_LAT) &&
581 	    evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_INS_LAT))
582 		return -EINVAL;
583 
584 	if (PRINT_FIELD(CGROUP) &&
585 	    evsel__check_stype(evsel, PERF_SAMPLE_CGROUP, "CGROUP", PERF_OUTPUT_CGROUP)) {
586 		pr_err("Hint: run 'perf record --all-cgroups ...'\n");
587 		return -EINVAL;
588 	}
589 
590 	if (PRINT_FIELD(RETIRE_LAT) &&
591 	    evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_RETIRE_LAT))
592 		return -EINVAL;
593 
594 	return 0;
595 }
596 
597 static void evsel__set_print_ip_opts(struct evsel *evsel)
598 {
599 	unsigned int type = evsel__output_type(evsel);
600 
601 	output[type].print_ip_opts = 0;
602 	if (PRINT_FIELD(IP))
603 		output[type].print_ip_opts |= EVSEL__PRINT_IP;
604 
605 	if (PRINT_FIELD(SYM))
606 		output[type].print_ip_opts |= EVSEL__PRINT_SYM;
607 
608 	if (PRINT_FIELD(DSO))
609 		output[type].print_ip_opts |= EVSEL__PRINT_DSO;
610 
611 	if (PRINT_FIELD(DSOFF))
612 		output[type].print_ip_opts |= EVSEL__PRINT_DSOFF;
613 
614 	if (PRINT_FIELD(SYMOFFSET))
615 		output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
616 
617 	if (PRINT_FIELD(SRCLINE))
618 		output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
619 }
620 
621 static struct evsel *find_first_output_type(struct evlist *evlist,
622 					    unsigned int type)
623 {
624 	struct evsel *evsel;
625 
626 	evlist__for_each_entry(evlist, evsel) {
627 		if (evsel__is_dummy_event(evsel))
628 			continue;
629 		if (evsel__output_type(evsel) == (int)type)
630 			return evsel;
631 	}
632 	return NULL;
633 }
634 
635 /*
636  * verify all user requested events exist and the samples
637  * have the expected data
638  */
639 static int perf_session__check_output_opt(struct perf_session *session)
640 {
641 	bool tod = false;
642 	unsigned int j;
643 	struct evsel *evsel;
644 
645 	for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
646 		evsel = find_first_output_type(session->evlist, j);
647 
648 		/*
649 		 * even if fields is set to 0 (ie., show nothing) event must
650 		 * exist if user explicitly includes it on the command line
651 		 */
652 		if (!evsel && output[j].user_set && !output[j].wildcard_set &&
653 		    j != OUTPUT_TYPE_SYNTH) {
654 			pr_err("%s events do not exist. "
655 			       "Remove corresponding -F option to proceed.\n",
656 			       event_type(j));
657 			return -1;
658 		}
659 
660 		if (evsel && output[j].fields &&
661 			evsel__check_attr(evsel, session))
662 			return -1;
663 
664 		if (evsel == NULL)
665 			continue;
666 
667 		/* 'dsoff' implys 'dso' field */
668 		if (output[j].fields & PERF_OUTPUT_DSOFF)
669 			output[j].fields |= PERF_OUTPUT_DSO;
670 
671 		evsel__set_print_ip_opts(evsel);
672 		tod |= output[j].fields & PERF_OUTPUT_TOD;
673 	}
674 
675 	if (!no_callchain) {
676 		bool use_callchain = false;
677 		bool not_pipe = false;
678 
679 		evlist__for_each_entry(session->evlist, evsel) {
680 			not_pipe = true;
681 			if (evsel__has_callchain(evsel) || evsel__is_offcpu_event(evsel)) {
682 				use_callchain = true;
683 				break;
684 			}
685 		}
686 		if (not_pipe && !use_callchain)
687 			symbol_conf.use_callchain = false;
688 	}
689 
690 	/*
691 	 * set default for tracepoints to print symbols only
692 	 * if callchains are present
693 	 */
694 	if (symbol_conf.use_callchain &&
695 	    !output[PERF_TYPE_TRACEPOINT].user_set) {
696 		j = PERF_TYPE_TRACEPOINT;
697 
698 		evlist__for_each_entry(session->evlist, evsel) {
699 			if (evsel->core.attr.type != j)
700 				continue;
701 
702 			if (evsel__has_callchain(evsel)) {
703 				output[j].fields |= PERF_OUTPUT_IP;
704 				output[j].fields |= PERF_OUTPUT_SYM;
705 				output[j].fields |= PERF_OUTPUT_SYMOFFSET;
706 				output[j].fields |= PERF_OUTPUT_DSO;
707 				evsel__set_print_ip_opts(evsel);
708 				goto out;
709 			}
710 		}
711 	}
712 
713 	if (tod && !perf_session__env(session)->clock.enabled) {
714 		pr_err("Can't provide 'tod' time, missing clock data. "
715 		       "Please record with -k/--clockid option.\n");
716 		return -1;
717 	}
718 out:
719 	return 0;
720 }
721 
722 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask,
723 				     uint16_t e_machine, uint32_t e_flags,
724 				     FILE *fp)
725 {
726 	unsigned i = 0, r;
727 	int printed = 0;
728 
729 	if (!regs || !regs->regs)
730 		return 0;
731 
732 	printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
733 
734 	for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
735 		u64 val = regs->regs[i++];
736 		printed += fprintf(fp, "%5s:0x%"PRIx64" ",
737 				   perf_reg_name(r, e_machine, e_flags),
738 				   val);
739 	}
740 
741 	return printed;
742 }
743 
744 #define DEFAULT_TOD_FMT "%F %H:%M:%S"
745 
746 static char*
747 tod_scnprintf(struct perf_script *script, char *buf, int buflen,
748 	     u64 timestamp)
749 {
750 	u64 tod_ns, clockid_ns;
751 	struct perf_env *env;
752 	unsigned long nsec;
753 	struct tm ltime;
754 	char date[64];
755 	time_t sec;
756 
757 	buf[0] = '\0';
758 	if (buflen < 64 || !script)
759 		return buf;
760 
761 	env = perf_session__env(script->session);
762 	if (!env->clock.enabled) {
763 		scnprintf(buf, buflen, "disabled");
764 		return buf;
765 	}
766 
767 	clockid_ns = env->clock.clockid_ns;
768 	tod_ns     = env->clock.tod_ns;
769 
770 	if (timestamp > clockid_ns)
771 		tod_ns += timestamp - clockid_ns;
772 	else
773 		tod_ns -= clockid_ns - timestamp;
774 
775 	sec  = (time_t) (tod_ns / NSEC_PER_SEC);
776 	nsec = tod_ns - sec * NSEC_PER_SEC;
777 
778 	if (localtime_r(&sec, &ltime) == NULL) {
779 		scnprintf(buf, buflen, "failed");
780 	} else {
781 		strftime(date, sizeof(date), DEFAULT_TOD_FMT, &ltime);
782 
783 		if (symbol_conf.nanosecs) {
784 			snprintf(buf, buflen, "%s.%09lu", date, nsec);
785 		} else {
786 			snprintf(buf, buflen, "%s.%06lu",
787 				 date, nsec / NSEC_PER_USEC);
788 		}
789 	}
790 
791 	return buf;
792 }
793 
794 static int perf_sample__fprintf_iregs(struct perf_sample *sample,
795 				      struct perf_event_attr *attr,
796 				      uint16_t e_machine,
797 				      uint32_t e_flags,
798 				      FILE *fp)
799 {
800 	if (!sample->intr_regs)
801 		return 0;
802 
803 	return perf_sample__fprintf_regs(perf_sample__intr_regs(sample),
804 					 attr->sample_regs_intr, e_machine, e_flags, fp);
805 }
806 
807 static int perf_sample__fprintf_uregs(struct perf_sample *sample,
808 				      struct perf_event_attr *attr,
809 				      uint16_t e_machine,
810 				      uint32_t e_flags,
811 				      FILE *fp)
812 {
813 	if (!sample->user_regs)
814 		return 0;
815 
816 	return perf_sample__fprintf_regs(perf_sample__user_regs(sample),
817 					 attr->sample_regs_user, e_machine, e_flags, fp);
818 }
819 
820 static int perf_sample__fprintf_start(struct perf_script *script,
821 				      struct perf_sample *sample,
822 				      struct thread *thread,
823 				      struct evsel *evsel,
824 				      u32 type, FILE *fp)
825 {
826 	unsigned long secs;
827 	unsigned long long nsecs;
828 	int printed = 0;
829 	char tstr[128];
830 
831 	/*
832 	 * Print the branch counter's abbreviation list,
833 	 * if the branch counter is available.
834 	 */
835 	if (PRINT_FIELD(BRCNTR) && !verbose) {
836 		char *buf;
837 
838 		if (!annotation_br_cntr_abbr_list(&buf, evsel, true)) {
839 			printed += fprintf(stdout, "%s", buf);
840 			free(buf);
841 		}
842 	}
843 
844 	if (PRINT_FIELD(MACHINE_PID) && sample->machine_pid)
845 		printed += fprintf(fp, "VM:%5d ", sample->machine_pid);
846 
847 	/* Print VCPU only for guest events i.e. with machine_pid */
848 	if (PRINT_FIELD(VCPU) && sample->machine_pid)
849 		printed += fprintf(fp, "VCPU:%03d ", sample->vcpu);
850 
851 	if (PRINT_FIELD(COMM)) {
852 		const char *comm = thread ? thread__comm_str(thread) : ":-1";
853 
854 		if (latency_format)
855 			printed += fprintf(fp, "%8.8s ", comm);
856 		else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
857 			printed += fprintf(fp, "%s ", comm);
858 		else
859 			printed += fprintf(fp, "%16s ", comm);
860 	}
861 
862 	if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
863 		printed += fprintf(fp, "%7d/%-7d ", sample->pid, sample->tid);
864 	else if (PRINT_FIELD(PID))
865 		printed += fprintf(fp, "%7d ", sample->pid);
866 	else if (PRINT_FIELD(TID))
867 		printed += fprintf(fp, "%7d ", sample->tid);
868 
869 	if (PRINT_FIELD(CPU)) {
870 		if (latency_format)
871 			printed += fprintf(fp, "%3d ", sample->cpu);
872 		else
873 			printed += fprintf(fp, "[%03d] ", sample->cpu);
874 	}
875 
876 	if (PRINT_FIELD(MISC)) {
877 		int ret = 0;
878 
879 		#define has(m) \
880 			(sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
881 
882 		if (has(KERNEL))
883 			ret += fprintf(fp, "K");
884 		if (has(USER))
885 			ret += fprintf(fp, "U");
886 		if (has(HYPERVISOR))
887 			ret += fprintf(fp, "H");
888 		if (has(GUEST_KERNEL))
889 			ret += fprintf(fp, "G");
890 		if (has(GUEST_USER))
891 			ret += fprintf(fp, "g");
892 
893 		switch (type) {
894 		case PERF_RECORD_MMAP:
895 		case PERF_RECORD_MMAP2:
896 			if (has(MMAP_DATA))
897 				ret += fprintf(fp, "M");
898 			break;
899 		case PERF_RECORD_COMM:
900 			if (has(COMM_EXEC))
901 				ret += fprintf(fp, "E");
902 			break;
903 		case PERF_RECORD_SWITCH:
904 		case PERF_RECORD_SWITCH_CPU_WIDE:
905 			if (has(SWITCH_OUT)) {
906 				ret += fprintf(fp, "S");
907 				if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
908 					ret += fprintf(fp, "p");
909 			}
910 		default:
911 			break;
912 		}
913 
914 		#undef has
915 
916 		ret += fprintf(fp, "%*s", 6 - ret, " ");
917 		printed += ret;
918 	}
919 
920 	if (PRINT_FIELD(TOD)) {
921 		tod_scnprintf(script, tstr, sizeof(tstr), sample->time);
922 		printed += fprintf(fp, "%s ", tstr);
923 	}
924 
925 	if (PRINT_FIELD(TIME)) {
926 		u64 t = sample->time;
927 		if (reltime) {
928 			if (!initial_time)
929 				initial_time = sample->time;
930 			t = sample->time - initial_time;
931 		} else if (deltatime) {
932 			if (previous_time)
933 				t = sample->time - previous_time;
934 			else {
935 				t = 0;
936 			}
937 			previous_time = sample->time;
938 		}
939 		nsecs = t;
940 		secs = nsecs / NSEC_PER_SEC;
941 		nsecs -= secs * NSEC_PER_SEC;
942 
943 		if (symbol_conf.nanosecs)
944 			printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
945 		else {
946 			char sample_time[32];
947 			timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time));
948 			printed += fprintf(fp, "%12s: ", sample_time);
949 		}
950 	}
951 
952 	return printed;
953 }
954 
955 static inline size_t
956 bstack_event_str(struct branch_entry *br, char *buf, size_t sz)
957 {
958 	if (!(br->flags.mispred || br->flags.predicted || br->flags.not_taken))
959 		return snprintf(buf, sz, "-");
960 
961 	return snprintf(buf, sz, "%s%s",
962 			br->flags.predicted ? "P" : "M",
963 			br->flags.not_taken ? "N" : "");
964 }
965 
966 static int print_bstack_flags(FILE *fp, struct branch_entry *br)
967 {
968 	char events[16] = { 0 };
969 	size_t pos;
970 
971 	pos = bstack_event_str(br, events, sizeof(events));
972 	return fprintf(fp, "/%s/%c/%c/%d/%s/%s ",
973 		       pos < 0 ? "-" : events,
974 		       br->flags.in_tx ? 'X' : '-',
975 		       br->flags.abort ? 'A' : '-',
976 		       br->flags.cycles,
977 		       get_branch_type(br),
978 		       br->flags.spec ? branch_spec_desc(br->flags.spec) : "-");
979 }
980 
981 static int perf_sample__fprintf_brstack(struct perf_sample *sample,
982 					struct thread *thread,
983 					struct evsel *evsel, FILE *fp)
984 {
985 	struct branch_stack *br = sample->branch_stack;
986 	struct branch_entry *entries = perf_sample__branch_entries(sample);
987 	u64 i, from, to;
988 	int printed = 0;
989 
990 	if (!(br && br->nr))
991 		return 0;
992 
993 	for (i = 0; i < br->nr; i++) {
994 		from = entries[i].from;
995 		to   = entries[i].to;
996 
997 		printed += fprintf(fp, " 0x%"PRIx64, from);
998 		if (PRINT_FIELD(DSO)) {
999 			struct addr_location alf, alt;
1000 
1001 			addr_location__init(&alf);
1002 			addr_location__init(&alt);
1003 			thread__find_map_fb(thread, sample->cpumode, from, &alf);
1004 			thread__find_map_fb(thread, sample->cpumode, to, &alt);
1005 
1006 			printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp);
1007 			printed += fprintf(fp, "/0x%"PRIx64, to);
1008 			printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp);
1009 			addr_location__exit(&alt);
1010 			addr_location__exit(&alf);
1011 		} else
1012 			printed += fprintf(fp, "/0x%"PRIx64, to);
1013 
1014 		printed += print_bstack_flags(fp, entries + i);
1015 	}
1016 
1017 	return printed;
1018 }
1019 
1020 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
1021 					   struct thread *thread,
1022 					   struct evsel *evsel, FILE *fp)
1023 {
1024 	struct branch_stack *br = sample->branch_stack;
1025 	struct branch_entry *entries = perf_sample__branch_entries(sample);
1026 	u64 i, from, to;
1027 	int printed = 0;
1028 
1029 	if (!(br && br->nr))
1030 		return 0;
1031 
1032 	for (i = 0; i < br->nr; i++) {
1033 		struct addr_location alf, alt;
1034 
1035 		addr_location__init(&alf);
1036 		addr_location__init(&alt);
1037 		from = entries[i].from;
1038 		to   = entries[i].to;
1039 
1040 		thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
1041 		thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
1042 
1043 		printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
1044 		if (PRINT_FIELD(DSO))
1045 			printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp);
1046 		printed += fprintf(fp, "%c", '/');
1047 		printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
1048 		if (PRINT_FIELD(DSO))
1049 			printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp);
1050 		printed += print_bstack_flags(fp, entries + i);
1051 		addr_location__exit(&alt);
1052 		addr_location__exit(&alf);
1053 	}
1054 
1055 	return printed;
1056 }
1057 
1058 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
1059 					   struct thread *thread,
1060 					   struct evsel *evsel, FILE *fp)
1061 {
1062 	struct branch_stack *br = sample->branch_stack;
1063 	struct branch_entry *entries = perf_sample__branch_entries(sample);
1064 	u64 i, from, to;
1065 	int printed = 0;
1066 
1067 	if (!(br && br->nr))
1068 		return 0;
1069 
1070 	for (i = 0; i < br->nr; i++) {
1071 		struct addr_location alf, alt;
1072 
1073 		addr_location__init(&alf);
1074 		addr_location__init(&alt);
1075 		from = entries[i].from;
1076 		to   = entries[i].to;
1077 
1078 		if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
1079 		    !dso__adjust_symbols(map__dso(alf.map)))
1080 			from = map__dso_map_ip(alf.map, from);
1081 
1082 		if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
1083 		    !dso__adjust_symbols(map__dso(alt.map)))
1084 			to = map__dso_map_ip(alt.map, to);
1085 
1086 		printed += fprintf(fp, " 0x%"PRIx64, from);
1087 		if (PRINT_FIELD(DSO))
1088 			printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp);
1089 		printed += fprintf(fp, "/0x%"PRIx64, to);
1090 		if (PRINT_FIELD(DSO))
1091 			printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp);
1092 		printed += print_bstack_flags(fp, entries + i);
1093 		addr_location__exit(&alt);
1094 		addr_location__exit(&alf);
1095 	}
1096 
1097 	return printed;
1098 }
1099 #define MAXBB 16384UL
1100 
1101 static int grab_bb(u8 *buffer, u64 start, u64 end,
1102 		    struct machine *machine, struct thread *thread,
1103 		    bool *is64bit, u8 *cpumode, bool last)
1104 {
1105 	long offset, len;
1106 	struct addr_location al;
1107 	bool kernel;
1108 	struct dso *dso;
1109 	int ret = 0;
1110 
1111 	if (!start || !end)
1112 		return 0;
1113 
1114 	kernel = machine__kernel_ip(machine, start);
1115 	if (kernel)
1116 		*cpumode = PERF_RECORD_MISC_KERNEL;
1117 	else
1118 		*cpumode = PERF_RECORD_MISC_USER;
1119 
1120 	/*
1121 	 * Block overlaps between kernel and user.
1122 	 * This can happen due to ring filtering
1123 	 * On Intel CPUs the entry into the kernel is filtered,
1124 	 * but the exit is not. Let the caller patch it up.
1125 	 */
1126 	if (kernel != machine__kernel_ip(machine, end)) {
1127 		pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
1128 		return -ENXIO;
1129 	}
1130 
1131 	if (end - start > MAXBB - MAXINSN) {
1132 		if (last)
1133 			pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
1134 		else
1135 			pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
1136 		return 0;
1137 	}
1138 
1139 	addr_location__init(&al);
1140 	if (!thread__find_map(thread, *cpumode, start, &al) || (dso = map__dso(al.map)) == NULL) {
1141 		pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1142 		goto out;
1143 	}
1144 	if (dso__data(dso)->status == DSO_DATA_STATUS_ERROR) {
1145 		pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1146 		goto out;
1147 	}
1148 
1149 	/* Load maps to ensure dso->is_64_bit has been updated */
1150 	map__load(al.map);
1151 
1152 	offset = map__map_ip(al.map, start);
1153 	len = dso__data_read_offset(dso, machine, offset, (u8 *)buffer,
1154 				    end - start + MAXINSN);
1155 
1156 	*is64bit = dso__is_64_bit(dso);
1157 	if (len <= 0)
1158 		pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
1159 			start, end);
1160 	ret = len;
1161 out:
1162 	addr_location__exit(&al);
1163 	return ret;
1164 }
1165 
1166 static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state)
1167 {
1168 	char *srcfile;
1169 	int ret = 0;
1170 	unsigned line;
1171 	int len;
1172 	char *srccode;
1173 	struct dso *dso;
1174 
1175 	if (!map || (dso = map__dso(map)) == NULL)
1176 		return 0;
1177 	srcfile = get_srcline_split(dso,
1178 				    map__rip_2objdump(map, addr),
1179 				    &line);
1180 	if (!srcfile)
1181 		return 0;
1182 
1183 	/* Avoid redundant printing */
1184 	if (state &&
1185 	    state->srcfile &&
1186 	    !strcmp(state->srcfile, srcfile) &&
1187 	    state->line == line) {
1188 		free(srcfile);
1189 		return 0;
1190 	}
1191 
1192 	srccode = find_sourceline(srcfile, line, &len);
1193 	if (!srccode)
1194 		goto out_free_line;
1195 
1196 	ret = fprintf(fp, "|%-8d %.*s", line, len, srccode);
1197 
1198 	if (state) {
1199 		state->srcfile = srcfile;
1200 		state->line = line;
1201 	}
1202 	return ret;
1203 
1204 out_free_line:
1205 	free(srcfile);
1206 	return ret;
1207 }
1208 
1209 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr)
1210 {
1211 	struct addr_location al;
1212 	int ret = 0;
1213 
1214 	addr_location__init(&al);
1215 	thread__find_map(thread, cpumode, addr, &al);
1216 	if (!al.map)
1217 		goto out;
1218 	ret = map__fprintf_srccode(al.map, al.addr, stdout,
1219 				   thread__srccode_state(thread));
1220 	if (ret)
1221 		ret += printf("\n");
1222 out:
1223 	addr_location__exit(&al);
1224 	return ret;
1225 }
1226 
1227 static int any_dump_insn(struct evsel *evsel __maybe_unused,
1228 			 struct perf_insn *x, uint64_t ip,
1229 			 u8 *inbuf, int inlen, int *lenp,
1230 			 FILE *fp)
1231 {
1232 	if (PRINT_FIELD(BRSTACKDISASM)) {
1233 		int printed = fprintf_insn_asm(x->machine, x->thread, x->cpumode, x->is64bit,
1234 					       (uint8_t *)inbuf, inlen, ip, lenp,
1235 					       PRINT_INSN_IMM_HEX, fp);
1236 
1237 		if (printed > 0)
1238 			return printed;
1239 	}
1240 	return fprintf(fp, "%s", dump_insn(x, ip, inbuf, inlen, lenp));
1241 }
1242 
1243 static int add_padding(FILE *fp, int printed, int padding)
1244 {
1245 	if (printed >= 0 && printed < padding)
1246 		printed += fprintf(fp, "%*s", padding - printed, "");
1247 	return printed;
1248 }
1249 
1250 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
1251 			    struct perf_insn *x, u8 *inbuf, int len,
1252 			    int insn, FILE *fp, int *total_cycles,
1253 			    struct evsel *evsel,
1254 			    struct thread *thread,
1255 			    u64 br_cntr)
1256 {
1257 	int ilen = 0;
1258 	int printed = fprintf(fp, "\t%016" PRIx64 "\t", ip);
1259 
1260 	printed += add_padding(fp, any_dump_insn(evsel, x, ip, inbuf, len, &ilen, fp), 30);
1261 	printed += fprintf(fp, "\t");
1262 
1263 	if (PRINT_FIELD(BRSTACKINSNLEN))
1264 		printed += fprintf(fp, "ilen: %d\t", ilen);
1265 
1266 	if (PRINT_FIELD(SRCLINE)) {
1267 		struct addr_location al;
1268 
1269 		addr_location__init(&al);
1270 		thread__find_map(thread, x->cpumode, ip, &al);
1271 		printed += map__fprintf_srcline(al.map, al.addr, " srcline: ", fp);
1272 		printed += fprintf(fp, "\t");
1273 		addr_location__exit(&al);
1274 	}
1275 
1276 	if (PRINT_FIELD(BRCNTR)) {
1277 		struct evsel *pos = evsel__leader(evsel);
1278 		unsigned int i = 0, j, num, mask, width, numprinted = 0;
1279 
1280 		perf_env__find_br_cntr_info(evsel__env(evsel), NULL, &width);
1281 		mask = (1L << width) - 1;
1282 		printed += fprintf(fp, "\t# br_cntr: ");
1283 		evlist__for_each_entry_from(evsel->evlist, pos) {
1284 			if (!(pos->core.attr.branch_sample_type & PERF_SAMPLE_BRANCH_COUNTERS))
1285 				continue;
1286 			if (evsel__leader(pos) != evsel__leader(evsel))
1287 				break;
1288 
1289 			num = (br_cntr >> (i++ * width)) & mask;
1290 			numprinted += num;
1291 			if (!verbose) {
1292 				for (j = 0; j < num; j++)
1293 					printed += fprintf(fp, "%s", pos->abbr_name);
1294 				if (mask && (num == mask))
1295 					printed += fprintf(fp, "+");
1296 			} else {
1297 				printed += fprintf(fp, "%s %d%s", pos->name,
1298 						   num, mask && (num == mask) ? "+ " : " ");
1299 			}
1300 		}
1301 		if (numprinted == 0 && !verbose)
1302 			printed += fprintf(fp, "-");
1303 		printed += fprintf(fp, " ");
1304 	}
1305 
1306 	printed += fprintf(fp, "%s%s%s%s%s",
1307 			      !PRINT_FIELD(BRCNTR) ? "#" : "",
1308 			      en->flags.predicted ? " PRED" : "",
1309 			      en->flags.mispred ? " MISPRED" : "",
1310 			      en->flags.in_tx ? " INTX" : "",
1311 			      en->flags.abort ? " ABORT" : "");
1312 	if (en->flags.cycles) {
1313 		*total_cycles += en->flags.cycles;
1314 		printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles);
1315 		if (insn)
1316 			printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
1317 	}
1318 
1319 	return printed + fprintf(fp, "\n");
1320 }
1321 
1322 static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
1323 			   u8 cpumode, int cpu, struct symbol **lastsym,
1324 			   struct evsel *evsel, FILE *fp)
1325 {
1326 	struct addr_location al;
1327 	int off, printed = 0, ret = 0;
1328 
1329 	addr_location__init(&al);
1330 	thread__find_map(thread, cpumode, addr, &al);
1331 
1332 	if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
1333 		goto out;
1334 
1335 	al.cpu = cpu;
1336 	al.sym = NULL;
1337 	if (al.map)
1338 		al.sym = map__find_symbol(al.map, al.addr);
1339 
1340 	if (!al.sym)
1341 		goto out;
1342 
1343 	if (al.addr < al.sym->end)
1344 		off = al.addr - al.sym->start;
1345 	else
1346 		off = al.addr - map__start(al.map) - al.sym->start;
1347 	printed += fprintf(fp, "\t%s", al.sym->name);
1348 	if (off)
1349 		printed += fprintf(fp, "%+d", off);
1350 	printed += fprintf(fp, ":");
1351 	if (PRINT_FIELD(SRCLINE))
1352 		printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
1353 	printed += fprintf(fp, "\n");
1354 	*lastsym = al.sym;
1355 
1356 	ret = printed;
1357 out:
1358 	addr_location__exit(&al);
1359 	return ret;
1360 }
1361 
1362 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
1363 					    struct evsel *evsel,
1364 					    struct thread *thread,
1365 					    struct perf_event_attr *attr,
1366 					    struct machine *machine, FILE *fp)
1367 {
1368 	struct branch_stack *br = sample->branch_stack;
1369 	struct branch_entry *entries = perf_sample__branch_entries(sample);
1370 	u64 start, end;
1371 	int i, insn, len, nr, ilen, printed = 0;
1372 	struct perf_insn x;
1373 	u8 buffer[MAXBB];
1374 	unsigned off;
1375 	struct symbol *lastsym = NULL;
1376 	int total_cycles = 0;
1377 	u64 br_cntr = 0;
1378 
1379 	if (!(br && br->nr))
1380 		return 0;
1381 	nr = br->nr;
1382 	if (max_blocks && nr > max_blocks + 1)
1383 		nr = max_blocks + 1;
1384 
1385 	x.thread = thread;
1386 	x.machine = machine;
1387 	x.cpu = sample->cpu;
1388 
1389 	if (PRINT_FIELD(BRCNTR) && sample->branch_stack_cntr)
1390 		br_cntr = sample->branch_stack_cntr[nr - 1];
1391 
1392 	printed += fprintf(fp, "%c", '\n');
1393 
1394 	/* Handle first from jump, of which we don't know the entry. */
1395 	len = grab_bb(buffer, entries[nr-1].from,
1396 			entries[nr-1].from,
1397 			machine, thread, &x.is64bit, &x.cpumode, false);
1398 	if (len > 0) {
1399 		printed += ip__fprintf_sym(entries[nr - 1].from, thread,
1400 					   x.cpumode, x.cpu, &lastsym, evsel, fp);
1401 		printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1],
1402 					    &x, buffer, len, 0, fp, &total_cycles,
1403 					    evsel, thread, br_cntr);
1404 		if (PRINT_FIELD(SRCCODE))
1405 			printed += print_srccode(thread, x.cpumode, entries[nr - 1].from);
1406 	}
1407 
1408 	/* Print all blocks */
1409 	for (i = nr - 2; i >= 0; i--) {
1410 		if (entries[i].from || entries[i].to)
1411 			pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1412 				 entries[i].from,
1413 				 entries[i].to);
1414 		start = entries[i + 1].to;
1415 		end   = entries[i].from;
1416 
1417 		len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1418 		/* Patch up missing kernel transfers due to ring filters */
1419 		if (len == -ENXIO && i > 0) {
1420 			end = entries[--i].from;
1421 			pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1422 			len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1423 		}
1424 		if (len <= 0)
1425 			continue;
1426 
1427 		insn = 0;
1428 		for (off = 0; off < (unsigned)len; off += ilen) {
1429 			uint64_t ip = start + off;
1430 
1431 			printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, evsel, fp);
1432 			if (ip == end) {
1433 				if (PRINT_FIELD(BRCNTR) && sample->branch_stack_cntr)
1434 					br_cntr = sample->branch_stack_cntr[i];
1435 				printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp,
1436 							    &total_cycles, evsel, thread, br_cntr);
1437 				if (PRINT_FIELD(SRCCODE))
1438 					printed += print_srccode(thread, x.cpumode, ip);
1439 				break;
1440 			} else {
1441 				ilen = 0;
1442 				printed += fprintf(fp, "\t%016" PRIx64 "\t", ip);
1443 				printed += any_dump_insn(evsel, &x, ip, buffer + off, len - off, &ilen, fp);
1444 				if (PRINT_FIELD(BRSTACKINSNLEN))
1445 					printed += fprintf(fp, "\tilen: %d", ilen);
1446 				printed += fprintf(fp, "\n");
1447 				if (ilen == 0)
1448 					break;
1449 				if (PRINT_FIELD(SRCCODE))
1450 					print_srccode(thread, x.cpumode, ip);
1451 				insn++;
1452 			}
1453 		}
1454 		if (off != end - start)
1455 			printed += fprintf(fp, "\tmismatch of LBR data and executable\n");
1456 	}
1457 
1458 	/*
1459 	 * Hit the branch? In this case we are already done, and the target
1460 	 * has not been executed yet.
1461 	 */
1462 	if (entries[0].from == sample->ip)
1463 		goto out;
1464 	if (entries[0].flags.abort)
1465 		goto out;
1466 
1467 	/*
1468 	 * Print final block up to sample
1469 	 *
1470 	 * Due to pipeline delays the LBRs might be missing a branch
1471 	 * or two, which can result in very large or negative blocks
1472 	 * between final branch and sample. When this happens just
1473 	 * continue walking after the last TO.
1474 	 */
1475 	start = entries[0].to;
1476 	end = sample->ip;
1477 	if (end < start) {
1478 		/* Missing jump. Scan 128 bytes for the next branch */
1479 		end = start + 128;
1480 	}
1481 	len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1482 	printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, evsel, fp);
1483 	if (len <= 0) {
1484 		/* Print at least last IP if basic block did not work */
1485 		len = grab_bb(buffer, sample->ip, sample->ip,
1486 			      machine, thread, &x.is64bit, &x.cpumode, false);
1487 		if (len <= 0)
1488 			goto out;
1489 		ilen = 0;
1490 		printed += fprintf(fp, "\t%016" PRIx64 "\t", sample->ip);
1491 		printed += any_dump_insn(evsel, &x, sample->ip, buffer, len, &ilen, fp);
1492 		if (PRINT_FIELD(BRSTACKINSNLEN))
1493 			printed += fprintf(fp, "\tilen: %d", ilen);
1494 		printed += fprintf(fp, "\n");
1495 		if (PRINT_FIELD(SRCCODE))
1496 			print_srccode(thread, x.cpumode, sample->ip);
1497 		goto out;
1498 	}
1499 	for (off = 0; off <= end - start; off += ilen) {
1500 		ilen = 0;
1501 		printed += fprintf(fp, "\t%016" PRIx64 "\t", start + off);
1502 		printed += any_dump_insn(evsel, &x, start + off, buffer + off, len - off, &ilen, fp);
1503 		if (PRINT_FIELD(BRSTACKINSNLEN))
1504 			printed += fprintf(fp, "\tilen: %d", ilen);
1505 		printed += fprintf(fp, "\n");
1506 		if (ilen == 0)
1507 			break;
1508 		if ((attr->branch_sample_type == 0 || attr->branch_sample_type & PERF_SAMPLE_BRANCH_ANY)
1509 				&& arch_is_uncond_branch(buffer + off, len - off, x.is64bit)
1510 				&& start + off != sample->ip) {
1511 			/*
1512 			 * Hit a missing branch. Just stop.
1513 			 */
1514 			printed += fprintf(fp, "\t... not reaching sample ...\n");
1515 			break;
1516 		}
1517 		if (PRINT_FIELD(SRCCODE))
1518 			print_srccode(thread, x.cpumode, start + off);
1519 	}
1520 out:
1521 	return printed;
1522 }
1523 
1524 static int perf_sample__fprintf_addr(struct perf_sample *sample,
1525 				     struct thread *thread,
1526 				     struct evsel *evsel, FILE *fp)
1527 {
1528 	struct addr_location al;
1529 	int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1530 
1531 	addr_location__init(&al);
1532 	if (!sample_addr_correlates_sym(&evsel->core.attr))
1533 		goto out;
1534 
1535 	thread__resolve(thread, &al, sample);
1536 
1537 	if (PRINT_FIELD(SYM)) {
1538 		printed += fprintf(fp, " ");
1539 		if (PRINT_FIELD(SYMOFFSET))
1540 			printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1541 		else
1542 			printed += symbol__fprintf_symname(al.sym, fp);
1543 	}
1544 
1545 	if (PRINT_FIELD(DSO))
1546 		printed += map__fprintf_dsoname_dsoff(al.map, PRINT_FIELD(DSOFF), al.addr, fp);
1547 out:
1548 	addr_location__exit(&al);
1549 	return printed;
1550 }
1551 
1552 static const char *resolve_branch_sym(struct perf_sample *sample,
1553 				      struct evsel *evsel,
1554 				      struct thread *thread,
1555 				      struct addr_location *al,
1556 				      struct addr_location *addr_al,
1557 				      u64 *ip)
1558 {
1559 	const char *name = NULL;
1560 
1561 	if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1562 		if (sample_addr_correlates_sym(&evsel->core.attr)) {
1563 			if (!addr_al->thread)
1564 				thread__resolve(thread, addr_al, sample);
1565 			if (addr_al->sym)
1566 				name = addr_al->sym->name;
1567 			else
1568 				*ip = sample->addr;
1569 		} else {
1570 			*ip = sample->addr;
1571 		}
1572 	} else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1573 		if (al->sym)
1574 			name = al->sym->name;
1575 		else
1576 			*ip = sample->ip;
1577 	}
1578 	return name;
1579 }
1580 
1581 static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1582 					   struct evsel *evsel,
1583 					   struct thread *thread,
1584 					   struct addr_location *al,
1585 					   struct addr_location *addr_al,
1586 					   FILE *fp)
1587 {
1588 	size_t depth = thread_stack__depth(thread, sample->cpu);
1589 	const char *name = NULL;
1590 	static int spacing;
1591 	int len = 0;
1592 	int dlen = 0;
1593 	u64 ip = 0;
1594 
1595 	/*
1596 	 * The 'return' has already been popped off the stack so the depth has
1597 	 * to be adjusted to match the 'call'.
1598 	 */
1599 	if (thread__ts(thread) && sample->flags & PERF_IP_FLAG_RETURN)
1600 		depth += 1;
1601 
1602 	name = resolve_branch_sym(sample, evsel, thread, al, addr_al, &ip);
1603 
1604 	if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
1605 		dlen += fprintf(fp, "(");
1606 		dlen += map__fprintf_dsoname(al->map, fp);
1607 		dlen += fprintf(fp, ")\t");
1608 	}
1609 
1610 	if (name)
1611 		len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1612 	else if (ip)
1613 		len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1614 
1615 	if (len < 0)
1616 		return len;
1617 
1618 	/*
1619 	 * Try to keep the output length from changing frequently so that the
1620 	 * output lines up more nicely.
1621 	 */
1622 	if (len > spacing || (len && len < spacing - 52))
1623 		spacing = round_up(len + 4, 32);
1624 
1625 	if (len < spacing)
1626 		len += fprintf(fp, "%*s", spacing - len, "");
1627 
1628 	return len + dlen;
1629 }
1630 
1631 static int perf_sample__fprintf_insn(struct perf_sample *sample,
1632 				     struct evsel *evsel,
1633 				     struct perf_event_attr *attr,
1634 				     struct thread *thread,
1635 				     struct machine *machine, FILE *fp,
1636 				     struct addr_location *al)
1637 {
1638 	int printed = 0;
1639 
1640 	perf_sample__fetch_insn(sample, thread, machine);
1641 
1642 	if (PRINT_FIELD(INSNLEN))
1643 		printed += fprintf(fp, " ilen: %d", sample->insn_len);
1644 	if (PRINT_FIELD(INSN) && sample->insn_len) {
1645 		printed += fprintf(fp, " insn: ");
1646 		printed += sample__fprintf_insn_raw(sample, fp);
1647 	}
1648 	if (PRINT_FIELD(DISASM) && sample->insn_len) {
1649 		printed += fprintf(fp, "\t\t");
1650 		printed += sample__fprintf_insn_asm(sample, thread, machine, fp, al);
1651 	}
1652 	if (PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN) || PRINT_FIELD(BRSTACKDISASM))
1653 		printed += perf_sample__fprintf_brstackinsn(sample, evsel, thread, attr, machine, fp);
1654 
1655 	return printed;
1656 }
1657 
1658 static int perf_sample__fprintf_ipc(struct perf_sample *sample,
1659 				    struct evsel *evsel, FILE *fp)
1660 {
1661 	unsigned int ipc;
1662 
1663 	if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt)
1664 		return 0;
1665 
1666 	ipc = (sample->insn_cnt * 100) / sample->cyc_cnt;
1667 
1668 	return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ",
1669 		       ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt);
1670 }
1671 
1672 static int perf_sample__fprintf_bts(struct perf_sample *sample,
1673 				    struct evsel *evsel,
1674 				    struct thread *thread,
1675 				    struct addr_location *al,
1676 				    struct addr_location *addr_al,
1677 				    struct machine *machine, FILE *fp)
1678 {
1679 	struct perf_event_attr *attr = &evsel->core.attr;
1680 	unsigned int type = evsel__output_type(evsel);
1681 	bool print_srcline_last = false;
1682 	int printed = 0;
1683 
1684 	if (PRINT_FIELD(CALLINDENT))
1685 		printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, addr_al, fp);
1686 
1687 	/* print branch_from information */
1688 	if (PRINT_FIELD(IP)) {
1689 		unsigned int print_opts = output[type].print_ip_opts;
1690 		struct callchain_cursor *cursor = NULL;
1691 
1692 		if (symbol_conf.use_callchain && sample->callchain) {
1693 			cursor = get_tls_callchain_cursor();
1694 			if (thread__resolve_callchain(al->thread, cursor,
1695 						      sample, NULL, NULL,
1696 						      scripting_max_stack))
1697 				cursor = NULL;
1698 		}
1699 		if (cursor == NULL) {
1700 			printed += fprintf(fp, " ");
1701 			if (print_opts & EVSEL__PRINT_SRCLINE) {
1702 				print_srcline_last = true;
1703 				print_opts &= ~EVSEL__PRINT_SRCLINE;
1704 			}
1705 		} else
1706 			printed += fprintf(fp, "\n");
1707 
1708 		printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor,
1709 					       symbol_conf.bt_stop_list, fp);
1710 	}
1711 
1712 	/* print branch_to information */
1713 	if (PRINT_FIELD(ADDR) ||
1714 	    ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
1715 	     !output[type].user_set)) {
1716 		printed += fprintf(fp, " => ");
1717 		printed += perf_sample__fprintf_addr(sample, thread, evsel, fp);
1718 	}
1719 
1720 	printed += perf_sample__fprintf_ipc(sample, evsel, fp);
1721 
1722 	if (print_srcline_last)
1723 		printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
1724 
1725 	printed += perf_sample__fprintf_insn(sample, evsel, attr, thread, machine, fp, al);
1726 	printed += fprintf(fp, "\n");
1727 	if (PRINT_FIELD(SRCCODE)) {
1728 		int ret = map__fprintf_srccode(al->map, al->addr, stdout,
1729 					       thread__srccode_state(thread));
1730 		if (ret) {
1731 			printed += ret;
1732 			printed += printf("\n");
1733 		}
1734 	}
1735 	return printed;
1736 }
1737 
1738 static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1739 {
1740 	char str[SAMPLE_FLAGS_BUF_SIZE];
1741 	int ret;
1742 
1743 	ret = perf_sample__sprintf_flags(flags, str, sizeof(str));
1744 	if (ret < 0)
1745 		return fprintf(fp, "  raw flags:0x%-*x ",
1746 			       SAMPLE_FLAGS_STR_ALIGNED_SIZE - 12, flags);
1747 
1748 	return fprintf(fp, "  %-*s ", SAMPLE_FLAGS_STR_ALIGNED_SIZE, str);
1749 }
1750 
1751 struct printer_data {
1752 	int line_no;
1753 	bool hit_nul;
1754 	bool is_printable;
1755 };
1756 
1757 static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1758 				      unsigned int val,
1759 				      void *extra, FILE *fp)
1760 {
1761 	unsigned char ch = (unsigned char)val;
1762 	struct printer_data *printer_data = extra;
1763 	int printed = 0;
1764 
1765 	switch (op) {
1766 	case BINARY_PRINT_DATA_BEGIN:
1767 		printed += fprintf(fp, "\n");
1768 		break;
1769 	case BINARY_PRINT_LINE_BEGIN:
1770 		printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1771 						        "           ");
1772 		break;
1773 	case BINARY_PRINT_ADDR:
1774 		printed += fprintf(fp, " %04x:", val);
1775 		break;
1776 	case BINARY_PRINT_NUM_DATA:
1777 		printed += fprintf(fp, " %02x", val);
1778 		break;
1779 	case BINARY_PRINT_NUM_PAD:
1780 		printed += fprintf(fp, "   ");
1781 		break;
1782 	case BINARY_PRINT_SEP:
1783 		printed += fprintf(fp, "  ");
1784 		break;
1785 	case BINARY_PRINT_CHAR_DATA:
1786 		if (printer_data->hit_nul && ch)
1787 			printer_data->is_printable = false;
1788 
1789 		if (!isprint(ch)) {
1790 			printed += fprintf(fp, "%c", '.');
1791 
1792 			if (!printer_data->is_printable)
1793 				break;
1794 
1795 			if (ch == '\0')
1796 				printer_data->hit_nul = true;
1797 			else
1798 				printer_data->is_printable = false;
1799 		} else {
1800 			printed += fprintf(fp, "%c", ch);
1801 		}
1802 		break;
1803 	case BINARY_PRINT_CHAR_PAD:
1804 		printed += fprintf(fp, " ");
1805 		break;
1806 	case BINARY_PRINT_LINE_END:
1807 		printed += fprintf(fp, "\n");
1808 		printer_data->line_no++;
1809 		break;
1810 	case BINARY_PRINT_DATA_END:
1811 	default:
1812 		break;
1813 	}
1814 
1815 	return printed;
1816 }
1817 
1818 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1819 {
1820 	unsigned int nr_bytes = sample->raw_size;
1821 	struct printer_data printer_data = {0, false, true};
1822 	int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1823 				      sample__fprintf_bpf_output, &printer_data, fp);
1824 
1825 	if (printer_data.is_printable && printer_data.hit_nul)
1826 		printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1827 
1828 	return printed;
1829 }
1830 
1831 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1832 {
1833 	if (len > 0 && len < spacing)
1834 		return fprintf(fp, "%*s", spacing - len, "");
1835 
1836 	return 0;
1837 }
1838 
1839 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1840 {
1841 	return perf_sample__fprintf_spacing(len, 34, fp);
1842 }
1843 
1844 /* If a value contains only printable ASCII characters padded with NULLs */
1845 static bool ptw_is_prt(u64 val)
1846 {
1847 	char c;
1848 	u32 i;
1849 
1850 	for (i = 0; i < sizeof(val); i++) {
1851 		c = ((char *)&val)[i];
1852 		if (!c)
1853 			break;
1854 		if (!isprint(c) || !isascii(c))
1855 			return false;
1856 	}
1857 	for (; i < sizeof(val); i++) {
1858 		c = ((char *)&val)[i];
1859 		if (c)
1860 			return false;
1861 	}
1862 	return true;
1863 }
1864 
1865 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1866 {
1867 	struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1868 	char str[sizeof(u64) + 1] = "";
1869 	int len;
1870 	u64 val;
1871 
1872 	if (perf_sample__bad_synth_size(sample, *data))
1873 		return 0;
1874 
1875 	val = le64_to_cpu(data->payload);
1876 	if (ptw_is_prt(val)) {
1877 		memcpy(str, &val, sizeof(val));
1878 		str[sizeof(val)] = 0;
1879 	}
1880 	len = fprintf(fp, " IP: %u payload: %#" PRIx64 " %s ",
1881 		      data->ip, val, str);
1882 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1883 }
1884 
1885 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1886 {
1887 	struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1888 	int len;
1889 
1890 	if (perf_sample__bad_synth_size(sample, *data))
1891 		return 0;
1892 
1893 	len = fprintf(fp, " hints: %#x extensions: %#x ",
1894 		      data->hints, data->extensions);
1895 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1896 }
1897 
1898 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1899 {
1900 	struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1901 	int len;
1902 
1903 	if (perf_sample__bad_synth_size(sample, *data))
1904 		return 0;
1905 
1906 	len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1907 		      data->hw, data->cstate, data->subcstate);
1908 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1909 }
1910 
1911 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1912 {
1913 	struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1914 	int len;
1915 
1916 	if (perf_sample__bad_synth_size(sample, *data))
1917 		return 0;
1918 
1919 	len = fprintf(fp, " IP: %u ", data->ip);
1920 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1921 }
1922 
1923 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1924 {
1925 	struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1926 	int len;
1927 
1928 	if (perf_sample__bad_synth_size(sample, *data))
1929 		return 0;
1930 
1931 	len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1932 		     data->deepest_cstate, data->last_cstate,
1933 		     data->wake_reason);
1934 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1935 }
1936 
1937 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1938 {
1939 	struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1940 	unsigned int percent, freq;
1941 	int len;
1942 
1943 	if (perf_sample__bad_synth_size(sample, *data))
1944 		return 0;
1945 
1946 	freq = (le32_to_cpu(data->freq) + 500) / 1000;
1947 	len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1948 	if (data->max_nonturbo) {
1949 		percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1950 		len += fprintf(fp, "(%3u%%) ", percent);
1951 	}
1952 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1953 }
1954 
1955 static int perf_sample__fprintf_synth_psb(struct perf_sample *sample, FILE *fp)
1956 {
1957 	struct perf_synth_intel_psb *data = perf_sample__synth_ptr(sample);
1958 	int len;
1959 
1960 	if (perf_sample__bad_synth_size(sample, *data))
1961 		return 0;
1962 
1963 	len = fprintf(fp, " psb offs: %#" PRIx64, data->offset);
1964 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1965 }
1966 
1967 /* Intel PT Event Trace */
1968 static int perf_sample__fprintf_synth_evt(struct perf_sample *sample, FILE *fp)
1969 {
1970 	struct perf_synth_intel_evt *data = perf_sample__synth_ptr(sample);
1971 	const char *cfe[32] = {NULL, "INTR", "IRET", "SMI", "RSM", "SIPI",
1972 			       "INIT", "VMENTRY", "VMEXIT", "VMEXIT_INTR",
1973 			       "SHUTDOWN", NULL, "UINTR", "UIRET"};
1974 	const char *evd[64] = {"PFA", "VMXQ", "VMXR"};
1975 	const char *s;
1976 	int len, i;
1977 
1978 	if (perf_sample__bad_synth_size(sample, *data))
1979 		return 0;
1980 
1981 	s = cfe[data->type];
1982 	if (s) {
1983 		len = fprintf(fp, " cfe: %s IP: %d vector: %u",
1984 			      s, data->ip, data->vector);
1985 	} else {
1986 		len = fprintf(fp, " cfe: %u IP: %d vector: %u",
1987 			      data->type, data->ip, data->vector);
1988 	}
1989 	for (i = 0; i < data->evd_cnt; i++) {
1990 		unsigned int et = data->evd[i].evd_type & 0x3f;
1991 
1992 		s = evd[et];
1993 		if (s) {
1994 			len += fprintf(fp, " %s: %#" PRIx64,
1995 				       s, data->evd[i].payload);
1996 		} else {
1997 			len += fprintf(fp, " EVD_%u: %#" PRIx64,
1998 				       et, data->evd[i].payload);
1999 		}
2000 	}
2001 	return len + perf_sample__fprintf_pt_spacing(len, fp);
2002 }
2003 
2004 static int perf_sample__fprintf_synth_iflag_chg(struct perf_sample *sample, FILE *fp)
2005 {
2006 	struct perf_synth_intel_iflag_chg *data = perf_sample__synth_ptr(sample);
2007 	int len;
2008 
2009 	if (perf_sample__bad_synth_size(sample, *data))
2010 		return 0;
2011 
2012 	len = fprintf(fp, " IFLAG: %d->%d %s branch", !data->iflag, data->iflag,
2013 		      data->via_branch ? "via" : "non");
2014 	return len + perf_sample__fprintf_pt_spacing(len, fp);
2015 }
2016 
2017 static int perf_sample__fprintf_synth_vpadtl(struct perf_sample *data, FILE *fp)
2018 {
2019 	struct powerpc_vpadtl_entry *dtl = (struct powerpc_vpadtl_entry *)data->raw_data;
2020 	int len;
2021 
2022 	len = fprintf(fp, "timebase: %" PRIu64 " dispatch_reason:%s, preempt_reason:%s,\n"
2023 			"enqueue_to_dispatch_time:%d, ready_to_enqueue_time:%d,"
2024 			"waiting_to_ready_time:%d, processor_id: %d",
2025 			get_unaligned_be64(&dtl->timebase),
2026 			dispatch_reasons[dtl->dispatch_reason],
2027 			preempt_reasons[dtl->preempt_reason],
2028 			be32_to_cpu(dtl->enqueue_to_dispatch_time),
2029 			be32_to_cpu(dtl->ready_to_enqueue_time),
2030 			be32_to_cpu(dtl->waiting_to_ready_time),
2031 			be16_to_cpu(dtl->processor_id));
2032 
2033 	return len;
2034 }
2035 
2036 static int perf_sample__fprintf_synth(struct perf_sample *sample,
2037 				      struct evsel *evsel, FILE *fp)
2038 {
2039 	switch (evsel->core.attr.config) {
2040 	case PERF_SYNTH_INTEL_PTWRITE:
2041 		return perf_sample__fprintf_synth_ptwrite(sample, fp);
2042 	case PERF_SYNTH_INTEL_MWAIT:
2043 		return perf_sample__fprintf_synth_mwait(sample, fp);
2044 	case PERF_SYNTH_INTEL_PWRE:
2045 		return perf_sample__fprintf_synth_pwre(sample, fp);
2046 	case PERF_SYNTH_INTEL_EXSTOP:
2047 		return perf_sample__fprintf_synth_exstop(sample, fp);
2048 	case PERF_SYNTH_INTEL_PWRX:
2049 		return perf_sample__fprintf_synth_pwrx(sample, fp);
2050 	case PERF_SYNTH_INTEL_CBR:
2051 		return perf_sample__fprintf_synth_cbr(sample, fp);
2052 	case PERF_SYNTH_INTEL_PSB:
2053 		return perf_sample__fprintf_synth_psb(sample, fp);
2054 	case PERF_SYNTH_INTEL_EVT:
2055 		return perf_sample__fprintf_synth_evt(sample, fp);
2056 	case PERF_SYNTH_INTEL_IFLAG_CHG:
2057 		return perf_sample__fprintf_synth_iflag_chg(sample, fp);
2058 	case PERF_SYNTH_POWERPC_VPA_DTL:
2059 		return perf_sample__fprintf_synth_vpadtl(sample, fp);
2060 	default:
2061 		break;
2062 	}
2063 
2064 	return 0;
2065 }
2066 
2067 static int evlist__max_name_len(struct evlist *evlist)
2068 {
2069 	struct evsel *evsel;
2070 	int max = 0;
2071 
2072 	evlist__for_each_entry(evlist, evsel) {
2073 		int len = strlen(evsel__name(evsel));
2074 
2075 		max = MAX(len, max);
2076 	}
2077 
2078 	return max;
2079 }
2080 
2081 static int data_src__fprintf(u64 data_src, FILE *fp)
2082 {
2083 	struct mem_info *mi = mem_info__new();
2084 	char decode[100];
2085 	char out[100];
2086 	static int maxlen;
2087 	int len;
2088 
2089 	if (!mi)
2090 		return -ENOMEM;
2091 
2092 	mem_info__data_src(mi)->val = data_src;
2093 	perf_script__meminfo_scnprintf(decode, 100, mi);
2094 	mem_info__put(mi);
2095 
2096 	len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
2097 	if (maxlen < len)
2098 		maxlen = len;
2099 
2100 	return fprintf(fp, "%-*s", maxlen, out);
2101 }
2102 
2103 struct metric_ctx {
2104 	struct perf_sample	*sample;
2105 	struct thread		*thread;
2106 	struct evsel	*evsel;
2107 	FILE 			*fp;
2108 };
2109 
2110 static void script_print_metric(struct perf_stat_config *config __maybe_unused,
2111 				void *ctx, enum metric_threshold_classify thresh,
2112 				const char *fmt, const char *unit, double val)
2113 {
2114 	struct metric_ctx *mctx = ctx;
2115 	const char *color = metric_threshold_classify__color(thresh);
2116 
2117 	if (!fmt)
2118 		return;
2119 	perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
2120 				   PERF_RECORD_SAMPLE, mctx->fp);
2121 	fputs("\tmetric: ", mctx->fp);
2122 	if (color)
2123 		color_fprintf(mctx->fp, color, fmt, val);
2124 	else
2125 		printf(fmt, val);
2126 	fprintf(mctx->fp, " %s\n", unit);
2127 }
2128 
2129 static void script_new_line(struct perf_stat_config *config __maybe_unused,
2130 			    void *ctx)
2131 {
2132 	struct metric_ctx *mctx = ctx;
2133 
2134 	perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
2135 				   PERF_RECORD_SAMPLE, mctx->fp);
2136 	fputs("\tmetric: ", mctx->fp);
2137 }
2138 
2139 struct script_find_metrics_args {
2140 	struct evlist *evlist;
2141 	bool system_wide;
2142 };
2143 
2144 static struct evsel *map_metric_evsel_to_script_evsel(struct evlist *script_evlist,
2145 						      struct evsel *metric_evsel)
2146 {
2147 	struct evsel *script_evsel;
2148 
2149 	evlist__for_each_entry(script_evlist, script_evsel) {
2150 		/* Skip if perf_event_attr differ. */
2151 		if (metric_evsel->core.attr.type != script_evsel->core.attr.type)
2152 			continue;
2153 		if (metric_evsel->core.attr.config != script_evsel->core.attr.config)
2154 			continue;
2155 		/* Skip if the script event has a metric_id that doesn't match. */
2156 		if (script_evsel->metric_id &&
2157 		    strcmp(evsel__metric_id(metric_evsel), evsel__metric_id(script_evsel))) {
2158 			pr_debug("Skipping matching evsel due to differing metric ids '%s' vs '%s'\n",
2159 				 evsel__metric_id(metric_evsel), evsel__metric_id(script_evsel));
2160 			continue;
2161 		}
2162 		return script_evsel;
2163 	}
2164 	return NULL;
2165 }
2166 
2167 static int script_find_metrics(const struct pmu_metric *pm,
2168 			       const struct pmu_metrics_table *table __maybe_unused,
2169 			       void *data)
2170 {
2171 	struct script_find_metrics_args *args = data;
2172 	struct evlist *script_evlist = args->evlist;
2173 	struct evlist *metric_evlist = evlist__new();
2174 	struct evsel *metric_evsel;
2175 	int ret = metricgroup__parse_groups(metric_evlist,
2176 					/*pmu=*/"all",
2177 					/*cputype_filter=*/false,
2178 					pm->metric_name,
2179 					/*metric_no_group=*/false,
2180 					/*metric_no_merge=*/false,
2181 					/*metric_no_threshold=*/true,
2182 					/*user_requested_cpu_list=*/NULL,
2183 					args->system_wide,
2184 					/*hardware_aware_grouping=*/false);
2185 
2186 	if (ret) {
2187 		/* Metric parsing failed but continue the search. */
2188 		goto out;
2189 	}
2190 
2191 	/*
2192 	 * Check the script_evlist has an entry for each metric_evlist entry. If
2193 	 * the script evsel was already set up avoid changing data that may
2194 	 * break it.
2195 	 */
2196 	evlist__for_each_entry(metric_evlist, metric_evsel) {
2197 		struct evsel *script_evsel =
2198 			map_metric_evsel_to_script_evsel(script_evlist, metric_evsel);
2199 		struct evsel *new_metric_leader;
2200 
2201 		if (!script_evsel) {
2202 			pr_debug("Skipping metric '%s' as evsel '%s' / '%s' is missing\n",
2203 				pm->metric_name, evsel__name(metric_evsel),
2204 				evsel__metric_id(metric_evsel));
2205 			goto out;
2206 		}
2207 
2208 		if (script_evsel->metric_leader == NULL)
2209 			continue;
2210 
2211 		if (metric_evsel->metric_leader == metric_evsel) {
2212 			new_metric_leader = script_evsel;
2213 		} else {
2214 			new_metric_leader =
2215 				map_metric_evsel_to_script_evsel(script_evlist,
2216 								 metric_evsel->metric_leader);
2217 		}
2218 		/* Mismatching evsel leaders. */
2219 		if (script_evsel->metric_leader != new_metric_leader) {
2220 			pr_debug("Skipping metric '%s' due to mismatching evsel metric leaders '%s' vs '%s'\n",
2221 				pm->metric_name, evsel__metric_id(metric_evsel),
2222 				evsel__metric_id(script_evsel));
2223 			goto out;
2224 		}
2225 	}
2226 	/*
2227 	 * Metric events match those in the script evlist, copy metric evsel
2228 	 * data into the script evlist.
2229 	 */
2230 	evlist__for_each_entry(metric_evlist, metric_evsel) {
2231 		struct evsel *script_evsel =
2232 			map_metric_evsel_to_script_evsel(script_evlist, metric_evsel);
2233 		struct metric_event *metric_me =
2234 			metricgroup__lookup(evlist__metric_events(metric_evlist),
2235 					    metric_evsel,
2236 					    /*create=*/false);
2237 
2238 		if (script_evsel->metric_id == NULL) {
2239 			script_evsel->metric_id = metric_evsel->metric_id;
2240 			metric_evsel->metric_id = NULL;
2241 		}
2242 
2243 		if (script_evsel->metric_leader == NULL) {
2244 			if (metric_evsel->metric_leader == metric_evsel) {
2245 				script_evsel->metric_leader = script_evsel;
2246 			} else {
2247 				script_evsel->metric_leader =
2248 					map_metric_evsel_to_script_evsel(script_evlist,
2249 								       metric_evsel->metric_leader);
2250 			}
2251 		}
2252 
2253 		if (metric_me) {
2254 			struct metric_expr *expr;
2255 			struct metric_event *script_me =
2256 				metricgroup__lookup(evlist__metric_events(script_evlist),
2257 						    script_evsel,
2258 						    /*create=*/true);
2259 
2260 			if (!script_me) {
2261 				/*
2262 				 * As the metric_expr is created, the only
2263 				 * failure is a lack of memory.
2264 				 */
2265 				goto out;
2266 			}
2267 			list_splice_init(&metric_me->head, &script_me->head);
2268 			list_for_each_entry(expr, &script_me->head, nd) {
2269 				for (int i = 0; expr->metric_events[i]; i++) {
2270 					expr->metric_events[i] =
2271 						map_metric_evsel_to_script_evsel(script_evlist,
2272 									expr->metric_events[i]);
2273 				}
2274 			}
2275 		}
2276 	}
2277 	pr_debug("Found metric '%s' whose evsels match those of in the perf data\n",
2278 		 pm->metric_name);
2279 out:
2280 	evlist__put(metric_evlist);
2281 	return 0;
2282 }
2283 
2284 static struct aggr_cpu_id script_aggr_cpu_id_get(struct perf_stat_config *config __maybe_unused,
2285 						    struct perf_cpu cpu)
2286 {
2287 	return aggr_cpu_id__global(cpu, /*data=*/NULL);
2288 }
2289 
2290 static void perf_sample__fprint_metric(struct thread *thread,
2291 				       struct evsel *evsel,
2292 				       struct perf_sample *sample,
2293 				       FILE *fp)
2294 {
2295 	static bool init_metrics;
2296 	struct perf_stat_output_ctx ctx = {
2297 		.print_metric = script_print_metric,
2298 		.new_line = script_new_line,
2299 		.ctx = &(struct metric_ctx) {
2300 				.sample = sample,
2301 				.thread = thread,
2302 				.evsel  = evsel,
2303 				.fp     = fp,
2304 			 },
2305 		.force_header = false,
2306 	};
2307 	struct perf_counts_values *count, *old_count;
2308 	int cpu_map_idx, thread_map_idx, aggr_idx;
2309 	struct evsel *pos;
2310 
2311 	if (!init_metrics) {
2312 		/* One time initialization of stat_config and metric data. */
2313 		struct script_find_metrics_args args = {
2314 			.evlist = evsel->evlist,
2315 			.system_wide = perf_thread_map__pid(evsel->core.threads, /*idx=*/0) == -1,
2316 
2317 		};
2318 		if (!stat_config.output)
2319 			stat_config.output = stdout;
2320 
2321 		if (!stat_config.aggr_map) {
2322 			/* TODO: currently only global aggregation is supported. */
2323 			assert(stat_config.aggr_mode == AGGR_GLOBAL);
2324 			stat_config.aggr_get_id = script_aggr_cpu_id_get;
2325 			stat_config.aggr_map =
2326 				cpu_aggr_map__new(evlist__core(evsel->evlist)->user_requested_cpus,
2327 						  aggr_cpu_id__global, /*data=*/NULL,
2328 						  /*needs_sort=*/false);
2329 		}
2330 
2331 		metricgroup__for_each_metric(pmu_metrics_table__find(), script_find_metrics, &args);
2332 		init_metrics = true;
2333 	}
2334 
2335 	if (!evsel->stats) {
2336 		if (evlist__alloc_stats(&stat_config, evsel->evlist, /*alloc_raw=*/true) < 0)
2337 			return;
2338 	}
2339 	if (!evsel->stats->aggr) {
2340 		if (evlist__alloc_aggr_stats(evsel->evlist, stat_config.aggr_map->nr) < 0)
2341 			return;
2342 	}
2343 
2344 	/* Update the evsel's count using the sample's data. */
2345 	cpu_map_idx = perf_cpu_map__idx(evsel->core.cpus, (struct perf_cpu){sample->cpu});
2346 	if (cpu_map_idx < 0) {
2347 		/* Missing CPU, check for any CPU. */
2348 		if (perf_cpu_map__cpu(evsel->core.cpus, /*idx=*/0).cpu == -1 ||
2349 		    sample->cpu == (u32)-1) {
2350 			/* Place the counts in the which ever CPU is first in the map. */
2351 			cpu_map_idx = 0;
2352 		} else {
2353 			pr_info("Missing CPU map entry for CPU %d\n", sample->cpu);
2354 			return;
2355 		}
2356 	}
2357 	thread_map_idx = perf_thread_map__idx(evsel->core.threads, sample->tid);
2358 	if (thread_map_idx < 0) {
2359 		/* Missing thread, check for any thread. */
2360 		if (perf_thread_map__pid(evsel->core.threads, /*idx=*/0) == -1 ||
2361 		    sample->tid == (u32)-1) {
2362 			/* Place the counts in the which ever thread is first in the map. */
2363 			thread_map_idx = 0;
2364 		} else {
2365 			pr_info("Missing thread map entry for thread %d\n", sample->tid);
2366 			return;
2367 		}
2368 	}
2369 	count = perf_counts(evsel->counts, cpu_map_idx, thread_map_idx);
2370 	old_count = perf_counts(evsel->prev_raw_counts, cpu_map_idx, thread_map_idx);
2371 	count->val = old_count->val + sample->period;
2372 	count->run = old_count->run + 1;
2373 	count->ena = old_count->ena + 1;
2374 
2375 	/* Update the aggregated stats. */
2376 	perf_stat_process_counter(&stat_config, evsel);
2377 
2378 	/* Display all metrics. */
2379 	evlist__for_each_entry(evsel->evlist, pos) {
2380 		cpu_aggr_map__for_each_idx(aggr_idx, stat_config.aggr_map) {
2381 			perf_stat__print_shadow_stats(&stat_config, pos,
2382 						aggr_idx,
2383 						&ctx);
2384 		}
2385 	}
2386 }
2387 
2388 static bool show_event(struct perf_sample *sample,
2389 		       struct evsel *evsel,
2390 		       struct thread *thread,
2391 		       struct addr_location *al,
2392 		       struct addr_location *addr_al)
2393 {
2394 	int depth = thread_stack__depth(thread, sample->cpu);
2395 
2396 	if (!symbol_conf.graph_function)
2397 		return true;
2398 
2399 	if (thread__filter(thread)) {
2400 		if (depth <= thread__filter_entry_depth(thread)) {
2401 			thread__set_filter(thread, false);
2402 			return false;
2403 		}
2404 		return true;
2405 	} else {
2406 		const char *s = symbol_conf.graph_function;
2407 		u64 ip;
2408 		const char *name = resolve_branch_sym(sample, evsel, thread, al, addr_al,
2409 				&ip);
2410 		unsigned nlen;
2411 
2412 		if (!name)
2413 			return false;
2414 		nlen = strlen(name);
2415 		while (*s) {
2416 			unsigned len = strcspn(s, ",");
2417 			if (nlen == len && !strncmp(name, s, len)) {
2418 				thread__set_filter(thread, true);
2419 				thread__set_filter_entry_depth(thread, depth);
2420 				return true;
2421 			}
2422 			s += len;
2423 			if (*s == ',')
2424 				s++;
2425 		}
2426 		return false;
2427 	}
2428 }
2429 
2430 static void process_event(struct perf_script *script,
2431 			  struct perf_sample *sample,
2432 			  struct addr_location *al,
2433 			  struct addr_location *addr_al,
2434 			  struct machine *machine)
2435 {
2436 	struct thread *thread = al->thread;
2437 	struct evsel *evsel = sample->evsel;
2438 	struct perf_event_attr *attr = &evsel->core.attr;
2439 	unsigned int type = evsel__output_type(evsel);
2440 	struct evsel_script *es = evsel->priv;
2441 	FILE *fp = es->fp;
2442 	char str[PAGE_SIZE_NAME_LEN];
2443 	uint32_t e_flags;
2444 
2445 	if (output[type].fields == 0)
2446 		return;
2447 
2448 	++es->samples;
2449 
2450 	perf_sample__fprintf_start(script, sample, thread, evsel,
2451 				   PERF_RECORD_SAMPLE, fp);
2452 
2453 	if (PRINT_FIELD(PERIOD))
2454 		fprintf(fp, "%10" PRIu64 " ", sample->period);
2455 
2456 	if (PRINT_FIELD(EVNAME)) {
2457 		const char *evname = evsel__name(evsel);
2458 
2459 		if (!script->name_width)
2460 			script->name_width = evlist__max_name_len(script->session->evlist);
2461 
2462 		fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
2463 	}
2464 
2465 	if (print_flags)
2466 		perf_sample__fprintf_flags(sample->flags, fp);
2467 
2468 	if (is_bts_event(attr)) {
2469 		perf_sample__fprintf_bts(sample, evsel, thread, al, addr_al, machine, fp);
2470 		return;
2471 	}
2472 #ifdef HAVE_LIBTRACEEVENT
2473 	if (PRINT_FIELD(TRACE) && sample->raw_data) {
2474 		const struct tep_event *tp_format = evsel__tp_format(evsel);
2475 
2476 		if (tp_format) {
2477 			event_format__fprintf(tp_format, sample->cpu,
2478 					      sample->raw_data, sample->raw_size,
2479 					      fp);
2480 		}
2481 	}
2482 #endif
2483 	if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
2484 		perf_sample__fprintf_synth(sample, evsel, fp);
2485 
2486 	if (PRINT_FIELD(ADDR))
2487 		perf_sample__fprintf_addr(sample, thread, evsel, fp);
2488 
2489 	if (PRINT_FIELD(DATA_SRC))
2490 		data_src__fprintf(sample->data_src, fp);
2491 
2492 	if (PRINT_FIELD(WEIGHT))
2493 		fprintf(fp, "%16" PRIu64, sample->weight);
2494 
2495 	if (PRINT_FIELD(INS_LAT))
2496 		fprintf(fp, "%16" PRIu16, sample->ins_lat);
2497 
2498 	if (PRINT_FIELD(RETIRE_LAT))
2499 		fprintf(fp, "%16" PRIu16, sample->weight3);
2500 
2501 	if (PRINT_FIELD(CGROUP)) {
2502 		const char *cgrp_name;
2503 		struct cgroup *cgrp = cgroup__find(machine->env,
2504 						   sample->cgroup);
2505 		if (cgrp != NULL)
2506 			cgrp_name = cgrp->name;
2507 		else
2508 			cgrp_name = "unknown";
2509 		fprintf(fp, " %s", cgrp_name);
2510 	}
2511 
2512 	if (PRINT_FIELD(IP)) {
2513 		struct callchain_cursor *cursor = NULL;
2514 
2515 		if (script->stitch_lbr)
2516 			thread__set_lbr_stitch_enable(al->thread, true);
2517 
2518 		if (symbol_conf.use_callchain && sample->callchain) {
2519 			cursor = get_tls_callchain_cursor();
2520 			if (thread__resolve_callchain(al->thread, cursor,
2521 						      sample, NULL, NULL,
2522 						      scripting_max_stack))
2523 				cursor = NULL;
2524 		}
2525 		fputc(cursor ? '\n' : ' ', fp);
2526 		sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor,
2527 				    symbol_conf.bt_stop_list, fp);
2528 	}
2529 
2530 	if (PRINT_FIELD(IREGS)) {
2531 		perf_sample__fprintf_iregs(sample, attr,
2532 					   thread__e_machine(thread, machine, &e_flags),
2533 					   e_flags,
2534 					   fp);
2535 	}
2536 
2537 	if (PRINT_FIELD(UREGS)) {
2538 		perf_sample__fprintf_uregs(sample, attr,
2539 					   thread__e_machine(thread, machine, &e_flags),
2540 					   e_flags,
2541 					   fp);
2542 	}
2543 
2544 	if (PRINT_FIELD(BRSTACK))
2545 		perf_sample__fprintf_brstack(sample, thread, evsel, fp);
2546 	else if (PRINT_FIELD(BRSTACKSYM))
2547 		perf_sample__fprintf_brstacksym(sample, thread, evsel, fp);
2548 	else if (PRINT_FIELD(BRSTACKOFF))
2549 		perf_sample__fprintf_brstackoff(sample, thread, evsel, fp);
2550 
2551 	if (evsel__is_bpf_output(evsel) && !evsel__is_offcpu_event(evsel) && PRINT_FIELD(BPF_OUTPUT))
2552 		perf_sample__fprintf_bpf_output(sample, fp);
2553 	perf_sample__fprintf_insn(sample, evsel, attr, thread, machine, fp, al);
2554 
2555 	if (PRINT_FIELD(PHYS_ADDR))
2556 		fprintf(fp, "%16" PRIx64, sample->phys_addr);
2557 
2558 	if (PRINT_FIELD(DATA_PAGE_SIZE))
2559 		fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str));
2560 
2561 	if (PRINT_FIELD(CODE_PAGE_SIZE))
2562 		fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str));
2563 
2564 	perf_sample__fprintf_ipc(sample, evsel, fp);
2565 
2566 	fprintf(fp, "\n");
2567 
2568 	if (PRINT_FIELD(SRCCODE)) {
2569 		if (map__fprintf_srccode(al->map, al->addr, stdout,
2570 					 thread__srccode_state(thread)))
2571 			printf("\n");
2572 	}
2573 
2574 	if (PRINT_FIELD(METRIC))
2575 		perf_sample__fprint_metric(thread, evsel, sample, fp);
2576 
2577 	if (verbose > 0)
2578 		fflush(fp);
2579 }
2580 
2581 static struct scripting_ops	*scripting_ops;
2582 
2583 static void __process_stat(struct evsel *counter, u64 tstamp)
2584 {
2585 	int nthreads = perf_thread_map__nr(counter->core.threads);
2586 	struct perf_cpu cpu;
2587 	static int header_printed;
2588 
2589 	if (!header_printed) {
2590 		printf("%3s %8s %15s %15s %15s %15s %s\n",
2591 		       "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
2592 		header_printed = 1;
2593 	}
2594 
2595 	for (int thread = 0; thread < nthreads; thread++) {
2596 		unsigned int idx;
2597 
2598 		perf_cpu_map__for_each_cpu(cpu, idx, evsel__cpus(counter)) {
2599 			struct perf_counts_values *counts;
2600 
2601 			counts = perf_counts(counter->counts, idx, thread);
2602 
2603 			printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
2604 				cpu.cpu,
2605 				perf_thread_map__pid(counter->core.threads, thread),
2606 				counts->val,
2607 				counts->ena,
2608 				counts->run,
2609 				tstamp,
2610 				evsel__name(counter));
2611 		}
2612 	}
2613 }
2614 
2615 static void process_stat(struct evsel *counter, u64 tstamp)
2616 {
2617 	if (scripting_ops && scripting_ops->process_stat)
2618 		scripting_ops->process_stat(&stat_config, counter, tstamp);
2619 	else
2620 		__process_stat(counter, tstamp);
2621 }
2622 
2623 static void process_stat_interval(u64 tstamp)
2624 {
2625 	if (scripting_ops && scripting_ops->process_stat_interval)
2626 		scripting_ops->process_stat_interval(tstamp);
2627 }
2628 
2629 static void setup_scripting(void)
2630 {
2631 #ifdef HAVE_LIBTRACEEVENT
2632 	setup_perl_scripting();
2633 #endif
2634 	setup_python_scripting();
2635 }
2636 
2637 static int flush_scripting(void)
2638 {
2639 	return scripting_ops ? scripting_ops->flush_script() : 0;
2640 }
2641 
2642 static int cleanup_scripting(void)
2643 {
2644 	pr_debug("\nperf script stopped\n");
2645 
2646 	return scripting_ops ? scripting_ops->stop_script() : 0;
2647 }
2648 
2649 static bool filter_cpu(struct perf_sample *sample)
2650 {
2651 	if (cpu_list && sample->cpu != (u32)-1 && sample->cpu < MAX_NR_CPUS)
2652 		return !test_bit(sample->cpu, cpu_bitmap);
2653 	return false;
2654 }
2655 
2656 static int process_sample_event(const struct perf_tool *tool,
2657 				union perf_event *event,
2658 				struct perf_sample *sample,
2659 				struct machine *machine)
2660 {
2661 	struct perf_script *scr = container_of(tool, struct perf_script, tool);
2662 	struct evsel *evsel = sample->evsel;
2663 	struct addr_location al;
2664 	struct addr_location addr_al;
2665 	int ret = 0;
2666 
2667 	/* Set thread to NULL to indicate addr_al and al are not initialized */
2668 	addr_location__init(&al);
2669 	addr_location__init(&addr_al);
2670 
2671 	ret = dlfilter__filter_event_early(dlfilter, event, sample, evsel, machine, &al, &addr_al);
2672 	if (ret) {
2673 		if (ret > 0)
2674 			ret = 0;
2675 		goto out_put;
2676 	}
2677 
2678 	if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
2679 					  sample->time)) {
2680 		goto out_put;
2681 	}
2682 
2683 	if (debug_mode) {
2684 		if (sample->time < last_timestamp) {
2685 			pr_err("Samples misordered, previous: %" PRIu64
2686 				" this: %" PRIu64 "\n", last_timestamp,
2687 				sample->time);
2688 			nr_unordered++;
2689 		}
2690 		last_timestamp = sample->time;
2691 		goto out_put;
2692 	}
2693 
2694 	if (filter_cpu(sample))
2695 		goto out_put;
2696 
2697 	if (!al.thread && machine__resolve(machine, &al, sample) < 0) {
2698 		pr_err("problem processing %s (%u) event at offset %#" PRIx64 ", skipping it.\n",
2699 		       perf_event__name(event->header.type), event->header.type,
2700 		       sample->file_offset);
2701 		ret = -1;
2702 		goto out_put;
2703 	}
2704 
2705 	if (al.filtered)
2706 		goto out_put;
2707 
2708 	if (!show_event(sample, evsel, al.thread, &al, &addr_al))
2709 		goto out_put;
2710 
2711 	if (evswitch__discard(&scr->evswitch, evsel))
2712 		goto out_put;
2713 
2714 	ret = dlfilter__filter_event(dlfilter, event, sample, evsel, machine, &al, &addr_al);
2715 	if (ret) {
2716 		if (ret > 0)
2717 			ret = 0;
2718 		goto out_put;
2719 	}
2720 
2721 	if (scripting_ops) {
2722 		struct addr_location *addr_al_ptr = NULL;
2723 
2724 		if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
2725 		    sample_addr_correlates_sym(&evsel->core.attr)) {
2726 			if (!addr_al.thread)
2727 				thread__resolve(al.thread, &addr_al, sample);
2728 			addr_al_ptr = &addr_al;
2729 		}
2730 		scripting_ops->process_event(event, sample, &al, addr_al_ptr);
2731 	} else {
2732 		process_event(scr, sample, &al, &addr_al, machine);
2733 	}
2734 
2735 out_put:
2736 	addr_location__exit(&addr_al);
2737 	addr_location__exit(&al);
2738 	return ret;
2739 }
2740 
2741 static int process_deferred_sample_event(const struct perf_tool *tool,
2742 					 union perf_event *event,
2743 					 struct perf_sample *sample,
2744 					 struct machine *machine)
2745 {
2746 	struct perf_script *scr = container_of(tool, struct perf_script, tool);
2747 	struct evsel *evsel = sample->evsel;
2748 	struct perf_event_attr *attr = &evsel->core.attr;
2749 	struct evsel_script *es = evsel->priv;
2750 	unsigned int type = output_type(attr->type);
2751 	struct addr_location al;
2752 	FILE *fp = es->fp;
2753 	int ret = 0;
2754 
2755 	if (output[type].fields == 0)
2756 		return 0;
2757 
2758 	/* Set thread to NULL to indicate addr_al and al are not initialized */
2759 	addr_location__init(&al);
2760 
2761 	if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
2762 					  sample->time)) {
2763 		goto out_put;
2764 	}
2765 
2766 	if (debug_mode) {
2767 		if (sample->time < last_timestamp) {
2768 			pr_err("Samples misordered, previous: %" PRIu64
2769 				" this: %" PRIu64 "\n", last_timestamp,
2770 				sample->time);
2771 			nr_unordered++;
2772 		}
2773 		last_timestamp = sample->time;
2774 		goto out_put;
2775 	}
2776 
2777 	if (filter_cpu(sample))
2778 		goto out_put;
2779 
2780 	if (machine__resolve(machine, &al, sample) < 0) {
2781 		pr_err("problem processing %s (%u) event at offset %#" PRIx64 ", skipping it.\n",
2782 		       perf_event__name(event->header.type), event->header.type,
2783 		       sample->file_offset);
2784 		ret = -1;
2785 		goto out_put;
2786 	}
2787 
2788 	if (al.filtered)
2789 		goto out_put;
2790 
2791 	if (!show_event(sample, evsel, al.thread, &al, NULL))
2792 		goto out_put;
2793 
2794 	if (evswitch__discard(&scr->evswitch, evsel))
2795 		goto out_put;
2796 
2797 	perf_sample__fprintf_start(scr, sample, al.thread, evsel,
2798 				   PERF_RECORD_CALLCHAIN_DEFERRED, fp);
2799 	fprintf(fp, "DEFERRED CALLCHAIN [cookie: %llx]",
2800 		(unsigned long long)event->callchain_deferred.cookie);
2801 
2802 	if (PRINT_FIELD(IP)) {
2803 		struct callchain_cursor *cursor = NULL;
2804 
2805 		if (symbol_conf.use_callchain && sample->callchain) {
2806 			cursor = get_tls_callchain_cursor();
2807 			if (thread__resolve_callchain(al.thread, cursor,
2808 						      sample, NULL, NULL,
2809 						      scripting_max_stack)) {
2810 				pr_info("cannot resolve deferred callchains\n");
2811 				cursor = NULL;
2812 			}
2813 		}
2814 
2815 		fputc(cursor ? '\n' : ' ', fp);
2816 		sample__fprintf_sym(sample, &al, 0, output[type].print_ip_opts,
2817 				    cursor, symbol_conf.bt_stop_list, fp);
2818 	}
2819 
2820 	fprintf(fp, "\n");
2821 
2822 	if (verbose > 0)
2823 		fflush(fp);
2824 
2825 out_put:
2826 	addr_location__exit(&al);
2827 	return ret;
2828 }
2829 
2830 // Used when scr->per_event_dump is not set
2831 static struct evsel_script es_stdout;
2832 
2833 static int process_attr(const struct perf_tool *tool, union perf_event *event,
2834 			struct evlist **pevlist)
2835 {
2836 	struct perf_script *scr = container_of(tool, struct perf_script, tool);
2837 	struct evlist *evlist;
2838 	struct evsel *evsel, *pos;
2839 	uint16_t e_machine;
2840 	u64 sample_type;
2841 	int err;
2842 
2843 	err = perf_event__process_attr(tool, event, pevlist);
2844 	if (err)
2845 		return err;
2846 
2847 	evlist = *pevlist;
2848 	evsel = evlist__last(*pevlist);
2849 
2850 	if (!evsel->priv) {
2851 		if (scr->per_event_dump) {
2852 			evsel->priv = evsel_script__new(evsel, scr->session->data);
2853 			if (!evsel->priv)
2854 				return -ENOMEM;
2855 		} else { // Replicate what is done in perf_script__setup_per_event_dump()
2856 			es_stdout.fp = stdout;
2857 			evsel->priv = &es_stdout;
2858 		}
2859 	}
2860 
2861 	if (evsel->core.attr.type >= PERF_TYPE_MAX &&
2862 	    evsel->core.attr.type != PERF_TYPE_SYNTH)
2863 		return 0;
2864 
2865 	evlist__for_each_entry(evlist, pos) {
2866 		if (pos->core.attr.type == evsel->core.attr.type && pos != evsel)
2867 			return 0;
2868 	}
2869 
2870 	if (evsel->core.attr.sample_type) {
2871 		err = evsel__check_attr(evsel, scr->session);
2872 		if (err)
2873 			return err;
2874 	}
2875 
2876 	/*
2877 	 * Check if we need to enable callchains based
2878 	 * on events sample_type.
2879 	 */
2880 	sample_type = evlist__combined_sample_type(evlist);
2881 	e_machine = perf_session__e_machine(evsel__session(evsel), /*e_flags=*/NULL);
2882 	callchain_param_setup(sample_type, e_machine);
2883 
2884 	/* Enable fields for callchain entries */
2885 	if (symbol_conf.use_callchain &&
2886 	    (sample_type & PERF_SAMPLE_CALLCHAIN ||
2887 	     sample_type & PERF_SAMPLE_BRANCH_STACK ||
2888 	     (sample_type & PERF_SAMPLE_REGS_USER &&
2889 	      sample_type & PERF_SAMPLE_STACK_USER))) {
2890 		int type = evsel__output_type(evsel);
2891 
2892 		if (!(output[type].user_unset_fields & PERF_OUTPUT_IP))
2893 			output[type].fields |= PERF_OUTPUT_IP;
2894 		if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM))
2895 			output[type].fields |= PERF_OUTPUT_SYM;
2896 	}
2897 	evsel__set_print_ip_opts(evsel);
2898 	return 0;
2899 }
2900 
2901 static int print_event_with_time(const struct perf_tool *tool,
2902 				 union perf_event *event,
2903 				 struct perf_sample *sample,
2904 				 struct machine *machine,
2905 				 pid_t pid, pid_t tid, u64 timestamp)
2906 {
2907 	struct perf_script *script = container_of(tool, struct perf_script, tool);
2908 	struct perf_session *session = script->session;
2909 	struct evsel *evsel = sample->evsel;
2910 	struct thread *thread = NULL;
2911 
2912 	if (!evsel)
2913 		evsel = evlist__id2evsel(session->evlist, sample->id);
2914 
2915 	if (evsel && !evsel->core.attr.sample_id_all) {
2916 		sample->cpu = 0;
2917 		sample->time = timestamp;
2918 		sample->pid = pid;
2919 		sample->tid = tid;
2920 	}
2921 
2922 	if (filter_cpu(sample))
2923 		return 0;
2924 
2925 	if (tid != -1)
2926 		thread = machine__findnew_thread(machine, pid, tid);
2927 
2928 	if (evsel) {
2929 		struct evsel *saved_evsel = sample->evsel;
2930 
2931 		sample->evsel = evsel;
2932 		perf_sample__fprintf_start(script, sample, thread, evsel,
2933 					   event->header.type, stdout);
2934 		sample->evsel = saved_evsel;
2935 	}
2936 
2937 	perf_event__fprintf(event, machine, stdout);
2938 
2939 	thread__put(thread);
2940 
2941 	return 0;
2942 }
2943 
2944 static int print_event(const struct perf_tool *tool, union perf_event *event,
2945 		       struct perf_sample *sample, struct machine *machine,
2946 		       pid_t pid, pid_t tid)
2947 {
2948 	return print_event_with_time(tool, event, sample, machine, pid, tid, 0);
2949 }
2950 
2951 static int process_comm_event(const struct perf_tool *tool,
2952 			      union perf_event *event,
2953 			      struct perf_sample *sample,
2954 			      struct machine *machine)
2955 {
2956 	if (perf_event__process_comm(tool, event, sample, machine) < 0)
2957 		return -1;
2958 
2959 	return print_event(tool, event, sample, machine, event->comm.pid,
2960 			   event->comm.tid);
2961 }
2962 
2963 static int process_namespaces_event(const struct perf_tool *tool,
2964 				    union perf_event *event,
2965 				    struct perf_sample *sample,
2966 				    struct machine *machine)
2967 {
2968 	if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
2969 		return -1;
2970 
2971 	return print_event(tool, event, sample, machine, event->namespaces.pid,
2972 			   event->namespaces.tid);
2973 }
2974 
2975 static int process_cgroup_event(const struct perf_tool *tool,
2976 				union perf_event *event,
2977 				struct perf_sample *sample,
2978 				struct machine *machine)
2979 {
2980 	if (perf_event__process_cgroup(tool, event, sample, machine) < 0)
2981 		return -1;
2982 
2983 	return print_event(tool, event, sample, machine, sample->pid,
2984 			    sample->tid);
2985 }
2986 
2987 static int process_fork_event(const struct perf_tool *tool,
2988 			      union perf_event *event,
2989 			      struct perf_sample *sample,
2990 			      struct machine *machine)
2991 {
2992 	if (perf_event__process_fork(tool, event, sample, machine) < 0)
2993 		return -1;
2994 
2995 	return print_event_with_time(tool, event, sample, machine,
2996 				     event->fork.pid, event->fork.tid,
2997 				     event->fork.time);
2998 }
2999 static int process_exit_event(const struct perf_tool *tool,
3000 			      union perf_event *event,
3001 			      struct perf_sample *sample,
3002 			      struct machine *machine)
3003 {
3004 	/* Print before 'exit' deletes anything */
3005 	if (print_event_with_time(tool, event, sample, machine, event->fork.pid,
3006 				  event->fork.tid, event->fork.time))
3007 		return -1;
3008 
3009 	return perf_event__process_exit(tool, event, sample, machine);
3010 }
3011 
3012 static int process_mmap_event(const struct perf_tool *tool,
3013 			      union perf_event *event,
3014 			      struct perf_sample *sample,
3015 			      struct machine *machine)
3016 {
3017 	if (perf_event__process_mmap(tool, event, sample, machine) < 0)
3018 		return -1;
3019 
3020 	return print_event(tool, event, sample, machine, event->mmap.pid,
3021 			   event->mmap.tid);
3022 }
3023 
3024 static int process_mmap2_event(const struct perf_tool *tool,
3025 			      union perf_event *event,
3026 			      struct perf_sample *sample,
3027 			      struct machine *machine)
3028 {
3029 	if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
3030 		return -1;
3031 
3032 	return print_event(tool, event, sample, machine, event->mmap2.pid,
3033 			   event->mmap2.tid);
3034 }
3035 
3036 static int process_switch_event(const struct perf_tool *tool,
3037 				union perf_event *event,
3038 				struct perf_sample *sample,
3039 				struct machine *machine)
3040 {
3041 	struct perf_script *script = container_of(tool, struct perf_script, tool);
3042 
3043 	if (perf_event__process_switch(tool, event, sample, machine) < 0)
3044 		return -1;
3045 
3046 	if (scripting_ops && scripting_ops->process_switch && !filter_cpu(sample))
3047 		scripting_ops->process_switch(event, sample, machine);
3048 
3049 	if (!script->show_switch_events)
3050 		return 0;
3051 
3052 	return print_event(tool, event, sample, machine, sample->pid,
3053 			   sample->tid);
3054 }
3055 
3056 static int process_auxtrace_error(const struct perf_tool *tool,
3057 				  struct perf_session *session,
3058 				  union perf_event *event)
3059 {
3060 	if (scripting_ops && scripting_ops->process_auxtrace_error) {
3061 		scripting_ops->process_auxtrace_error(session, event);
3062 		return 0;
3063 	}
3064 
3065 	return perf_event__process_auxtrace_error(tool, session, event);
3066 }
3067 
3068 static int
3069 process_lost_event(const struct perf_tool *tool,
3070 		   union perf_event *event,
3071 		   struct perf_sample *sample,
3072 		   struct machine *machine)
3073 {
3074 	return print_event(tool, event, sample, machine, sample->pid,
3075 			   sample->tid);
3076 }
3077 
3078 static int
3079 process_throttle_event(const struct perf_tool *tool __maybe_unused,
3080 		       union perf_event *event,
3081 		       struct perf_sample *sample,
3082 		       struct machine *machine)
3083 {
3084 	if (scripting_ops && scripting_ops->process_throttle)
3085 		scripting_ops->process_throttle(event, sample, machine);
3086 	return 0;
3087 }
3088 
3089 static int
3090 process_finished_round_event(const struct perf_tool *tool __maybe_unused,
3091 			     union perf_event *event,
3092 			     struct ordered_events *oe __maybe_unused)
3093 
3094 {
3095 	perf_event__fprintf(event, NULL, stdout);
3096 	return 0;
3097 }
3098 
3099 static int
3100 process_bpf_events(const struct perf_tool *tool __maybe_unused,
3101 		   union perf_event *event,
3102 		   struct perf_sample *sample,
3103 		   struct machine *machine)
3104 {
3105 	if (machine__process_ksymbol(machine, event, sample) < 0)
3106 		return -1;
3107 
3108 	return print_event(tool, event, sample, machine, sample->pid,
3109 			   sample->tid);
3110 }
3111 
3112 static int
3113 process_bpf_metadata_event(const struct perf_tool *tool __maybe_unused,
3114 			   struct perf_session *session __maybe_unused,
3115 			   union perf_event *event)
3116 {
3117 	perf_event__fprintf(event, NULL, stdout);
3118 	return 0;
3119 }
3120 
3121 static int process_text_poke_events(const struct perf_tool *tool,
3122 				    union perf_event *event,
3123 				    struct perf_sample *sample,
3124 				    struct machine *machine)
3125 {
3126 	if (perf_event__process_text_poke(tool, event, sample, machine) < 0)
3127 		return -1;
3128 
3129 	return print_event(tool, event, sample, machine, sample->pid,
3130 			   sample->tid);
3131 }
3132 
3133 static void sig_handler(int sig __maybe_unused)
3134 {
3135 	session_done = 1;
3136 }
3137 
3138 static void perf_script__fclose_per_event_dump(struct perf_script *script)
3139 {
3140 	struct evlist *evlist = script->session->evlist;
3141 	struct evsel *evsel;
3142 
3143 	evlist__for_each_entry(evlist, evsel) {
3144 		if (!evsel->priv)
3145 			break;
3146 		evsel_script__delete(evsel->priv);
3147 		evsel->priv = NULL;
3148 	}
3149 }
3150 
3151 static int perf_script__fopen_per_event_dump(struct perf_script *script)
3152 {
3153 	struct evsel *evsel;
3154 
3155 	evlist__for_each_entry(script->session->evlist, evsel) {
3156 		/*
3157 		 * Already setup? I.e. we may be called twice in cases like
3158 		 * Intel PT, one for the intel_pt// and dummy events, then
3159 		 * for the evsels synthesized from the auxtrace info.
3160 		 *
3161 		 * Ses perf_script__process_auxtrace_info.
3162 		 */
3163 		if (evsel->priv != NULL)
3164 			continue;
3165 
3166 		evsel->priv = evsel_script__new(evsel, script->session->data);
3167 		if (evsel->priv == NULL)
3168 			goto out_err_fclose;
3169 	}
3170 
3171 	return 0;
3172 
3173 out_err_fclose:
3174 	perf_script__fclose_per_event_dump(script);
3175 	return -1;
3176 }
3177 
3178 static int perf_script__setup_per_event_dump(struct perf_script *script)
3179 {
3180 	struct evsel *evsel;
3181 
3182 	if (script->per_event_dump)
3183 		return perf_script__fopen_per_event_dump(script);
3184 
3185 	es_stdout.fp = stdout;
3186 
3187 	evlist__for_each_entry(script->session->evlist, evsel)
3188 		evsel->priv = &es_stdout;
3189 
3190 	return 0;
3191 }
3192 
3193 static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
3194 {
3195 	struct evsel *evsel;
3196 
3197 	evlist__for_each_entry(script->session->evlist, evsel) {
3198 		struct evsel_script *es = evsel->priv;
3199 
3200 		evsel_script__fprintf(es, stdout);
3201 		evsel_script__delete(es);
3202 		evsel->priv = NULL;
3203 	}
3204 }
3205 
3206 static void perf_script__exit(struct perf_script *script)
3207 {
3208 	perf_thread_map__put(script->threads);
3209 	perf_cpu_map__put(script->cpus);
3210 }
3211 
3212 static int __cmd_script(struct perf_script *script)
3213 {
3214 	int ret;
3215 
3216 	signal(SIGINT, sig_handler);
3217 
3218 	/* override event processing functions */
3219 	if (script->show_task_events) {
3220 		script->tool.comm = process_comm_event;
3221 		script->tool.fork = process_fork_event;
3222 		script->tool.exit = process_exit_event;
3223 	}
3224 	if (script->show_mmap_events) {
3225 		script->tool.mmap = process_mmap_event;
3226 		script->tool.mmap2 = process_mmap2_event;
3227 	}
3228 	if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch))
3229 		script->tool.context_switch = process_switch_event;
3230 	if (scripting_ops && scripting_ops->process_auxtrace_error)
3231 		script->tool.auxtrace_error = process_auxtrace_error;
3232 	if (script->show_namespace_events)
3233 		script->tool.namespaces = process_namespaces_event;
3234 	if (script->show_cgroup_events)
3235 		script->tool.cgroup = process_cgroup_event;
3236 	if (script->show_lost_events)
3237 		script->tool.lost = process_lost_event;
3238 	if (script->show_round_events) {
3239 		script->tool.ordered_events = false;
3240 		script->tool.finished_round = process_finished_round_event;
3241 	}
3242 	if (script->show_bpf_events) {
3243 		script->tool.ksymbol	  = process_bpf_events;
3244 		script->tool.bpf	  = process_bpf_events;
3245 		script->tool.bpf_metadata = process_bpf_metadata_event;
3246 	}
3247 	if (script->show_text_poke_events) {
3248 		script->tool.ksymbol   = process_bpf_events;
3249 		script->tool.text_poke = process_text_poke_events;
3250 	}
3251 
3252 	if (perf_script__setup_per_event_dump(script)) {
3253 		pr_err("Couldn't create the per event dump files\n");
3254 		return -1;
3255 	}
3256 
3257 	ret = perf_session__process_events(script->session);
3258 
3259 	if (script->per_event_dump)
3260 		perf_script__exit_per_event_dump_stats(script);
3261 
3262 	if (debug_mode)
3263 		pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
3264 
3265 	return ret;
3266 }
3267 
3268 static int list_available_languages_cb(struct scripting_ops *ops, const char *spec)
3269 {
3270 	fprintf(stderr, "  %-42s [%s]\n", spec, ops->name);
3271 	return 0;
3272 }
3273 
3274 static void list_available_languages(void)
3275 {
3276 	fprintf(stderr, "\n");
3277 	fprintf(stderr, "Scripting language extensions (used in "
3278 		"perf script -s [spec:]script.[spec]):\n\n");
3279 	script_spec__for_each(&list_available_languages_cb);
3280 	fprintf(stderr, "\n");
3281 }
3282 
3283 /* Find script file relative to current directory or exec path */
3284 static char *find_script(const char *script)
3285 {
3286 	char path[PATH_MAX];
3287 
3288 	if (!scripting_ops) {
3289 		const char *ext = strrchr(script, '.');
3290 
3291 		if (!ext)
3292 			return NULL;
3293 
3294 		scripting_ops = script_spec__lookup(++ext);
3295 		if (!scripting_ops)
3296 			return NULL;
3297 	}
3298 
3299 	if (access(script, R_OK)) {
3300 		char *exec_path = get_argv_exec_path();
3301 
3302 		if (!exec_path)
3303 			return NULL;
3304 		snprintf(path, sizeof(path), "%s/scripts/%s/%s",
3305 			 exec_path, scripting_ops->dirname, script);
3306 		free(exec_path);
3307 		script = path;
3308 		if (access(script, R_OK))
3309 			return NULL;
3310 	}
3311 	return strdup(script);
3312 }
3313 
3314 static int parse_scriptname(const struct option *opt __maybe_unused,
3315 			    const char *str, int unset __maybe_unused)
3316 {
3317 	char spec[PATH_MAX];
3318 	const char *script, *ext;
3319 	int len;
3320 
3321 	if (strcmp(str, "lang") == 0) {
3322 		list_available_languages();
3323 		exit(0);
3324 	}
3325 
3326 	script = strchr(str, ':');
3327 	if (script) {
3328 		len = script - str;
3329 		if (len >= PATH_MAX) {
3330 			fprintf(stderr, "invalid language specifier");
3331 			return -1;
3332 		}
3333 		strncpy(spec, str, len);
3334 		spec[len] = '\0';
3335 		scripting_ops = script_spec__lookup(spec);
3336 		if (!scripting_ops) {
3337 			fprintf(stderr, "invalid language specifier");
3338 			return -1;
3339 		}
3340 		script++;
3341 	} else {
3342 		script = str;
3343 		ext = strrchr(script, '.');
3344 		if (!ext) {
3345 			fprintf(stderr, "invalid script extension");
3346 			return -1;
3347 		}
3348 		scripting_ops = script_spec__lookup(++ext);
3349 		if (!scripting_ops) {
3350 			fprintf(stderr, "invalid script extension");
3351 			return -1;
3352 		}
3353 	}
3354 
3355 	script_name = find_script(script);
3356 	if (!script_name)
3357 		script_name = strdup(script);
3358 
3359 	return 0;
3360 }
3361 
3362 static int parse_output_fields(const struct option *opt __maybe_unused,
3363 			    const char *arg, int unset __maybe_unused)
3364 {
3365 	char *tok, *strtok_saveptr = NULL;
3366 	int i, imax = ARRAY_SIZE(all_output_options);
3367 	int j;
3368 	int rc = 0;
3369 	char *str = strdup(arg);
3370 	int type = -1;
3371 	enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
3372 
3373 	if (!str)
3374 		return -ENOMEM;
3375 
3376 	/* first word can state for which event type the user is specifying
3377 	 * the fields. If no type exists, the specified fields apply to all
3378 	 * event types found in the file minus the invalid fields for a type.
3379 	 */
3380 	tok = strchr(str, ':');
3381 	if (tok) {
3382 		*tok = '\0';
3383 		tok++;
3384 		if (!strcmp(str, "hw"))
3385 			type = PERF_TYPE_HARDWARE;
3386 		else if (!strcmp(str, "sw"))
3387 			type = PERF_TYPE_SOFTWARE;
3388 		else if (!strcmp(str, "trace"))
3389 			type = PERF_TYPE_TRACEPOINT;
3390 		else if (!strcmp(str, "raw"))
3391 			type = PERF_TYPE_RAW;
3392 		else if (!strcmp(str, "break"))
3393 			type = PERF_TYPE_BREAKPOINT;
3394 		else if (!strcmp(str, "synth"))
3395 			type = OUTPUT_TYPE_SYNTH;
3396 		else {
3397 			fprintf(stderr, "Invalid event type in field string.\n");
3398 			rc = -EINVAL;
3399 			goto out;
3400 		}
3401 
3402 		if (output[type].user_set)
3403 			pr_warning("Overriding previous field request for %s events.\n",
3404 				   event_type(type));
3405 
3406 		/* Don't override defaults for +- */
3407 		if (strchr(tok, '+') || strchr(tok, '-'))
3408 			goto parse;
3409 
3410 		output[type].fields = 0;
3411 		output[type].user_set = true;
3412 		output[type].wildcard_set = false;
3413 
3414 	} else {
3415 		tok = str;
3416 		if (strlen(str) == 0) {
3417 			fprintf(stderr,
3418 				"Cannot set fields to 'none' for all event types.\n");
3419 			rc = -EINVAL;
3420 			goto out;
3421 		}
3422 
3423 		/* Don't override defaults for +- */
3424 		if (strchr(str, '+') || strchr(str, '-'))
3425 			goto parse;
3426 
3427 		if (output_set_by_user())
3428 			pr_warning("Overriding previous field request for all events.\n");
3429 
3430 		for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
3431 			output[j].fields = 0;
3432 			output[j].user_set = true;
3433 			output[j].wildcard_set = true;
3434 		}
3435 	}
3436 
3437 parse:
3438 	for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
3439 		if (*tok == '+') {
3440 			if (change == SET)
3441 				goto out_badmix;
3442 			change = ADD;
3443 			tok++;
3444 		} else if (*tok == '-') {
3445 			if (change == SET)
3446 				goto out_badmix;
3447 			change = REMOVE;
3448 			tok++;
3449 		} else {
3450 			if (change != SET && change != DEFAULT)
3451 				goto out_badmix;
3452 			change = SET;
3453 		}
3454 
3455 		for (i = 0; i < imax; ++i) {
3456 			if (strcmp(tok, all_output_options[i].str) == 0)
3457 				break;
3458 		}
3459 		if (i == imax && strcmp(tok, "flags") == 0) {
3460 			print_flags = change != REMOVE;
3461 			continue;
3462 		}
3463 		if (i == imax) {
3464 			fprintf(stderr, "Invalid field requested.\n");
3465 			rc = -EINVAL;
3466 			goto out;
3467 		}
3468 #ifndef HAVE_LIBCAPSTONE_SUPPORT
3469 		if (change != REMOVE && strcmp(tok, "disasm") == 0) {
3470 			fprintf(stderr, "Field \"disasm\" requires perf to be built with libcapstone support.\n");
3471 			rc = -EINVAL;
3472 			goto out;
3473 		}
3474 #endif
3475 
3476 		if (type == -1) {
3477 			/* add user option to all events types for
3478 			 * which it is valid
3479 			 */
3480 			for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
3481 				if (output[j].invalid_fields & all_output_options[i].field) {
3482 					pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
3483 						   all_output_options[i].str, event_type(j));
3484 				} else {
3485 					if (change == REMOVE) {
3486 						output[j].fields &= ~all_output_options[i].field;
3487 						output[j].user_set_fields &= ~all_output_options[i].field;
3488 						output[j].user_unset_fields |= all_output_options[i].field;
3489 					} else {
3490 						output[j].fields |= all_output_options[i].field;
3491 						output[j].user_set_fields |= all_output_options[i].field;
3492 						output[j].user_unset_fields &= ~all_output_options[i].field;
3493 					}
3494 					output[j].user_set = true;
3495 					output[j].wildcard_set = true;
3496 				}
3497 			}
3498 		} else {
3499 			if (output[type].invalid_fields & all_output_options[i].field) {
3500 				fprintf(stderr, "\'%s\' not valid for %s events.\n",
3501 					 all_output_options[i].str, event_type(type));
3502 
3503 				rc = -EINVAL;
3504 				goto out;
3505 			}
3506 			if (change == REMOVE)
3507 				output[type].fields &= ~all_output_options[i].field;
3508 			else
3509 				output[type].fields |= all_output_options[i].field;
3510 			output[type].user_set = true;
3511 			output[type].wildcard_set = true;
3512 		}
3513 	}
3514 
3515 	if (type >= 0) {
3516 		if (output[type].fields == 0) {
3517 			pr_debug("No fields requested for %s type. "
3518 				 "Events will not be displayed.\n", event_type(type));
3519 		}
3520 	}
3521 	goto out;
3522 
3523 out_badmix:
3524 	fprintf(stderr, "Cannot mix +-field with overridden fields\n");
3525 	rc = -EINVAL;
3526 out:
3527 	free(str);
3528 	return rc;
3529 }
3530 
3531 #define for_each_lang(scripts_path, scripts_dir, lang_dirent)		\
3532 	while ((lang_dirent = readdir(scripts_dir)) != NULL)		\
3533 		if ((lang_dirent->d_type == DT_DIR ||			\
3534 		     (lang_dirent->d_type == DT_UNKNOWN &&		\
3535 		      is_directory(scripts_path, lang_dirent))) &&	\
3536 		    (strcmp(lang_dirent->d_name, ".")) &&		\
3537 		    (strcmp(lang_dirent->d_name, "..")))
3538 
3539 #define for_each_script(lang_path, lang_dir, script_dirent)		\
3540 	while ((script_dirent = readdir(lang_dir)) != NULL)		\
3541 		if (script_dirent->d_type != DT_DIR &&			\
3542 		    (script_dirent->d_type != DT_UNKNOWN ||		\
3543 		     !is_directory(lang_path, script_dirent)))
3544 
3545 
3546 #define RECORD_SUFFIX			"-record"
3547 #define REPORT_SUFFIX			"-report"
3548 
3549 struct script_desc {
3550 	struct list_head	node;
3551 	char			*name;
3552 	char			*half_liner;
3553 	char			*args;
3554 };
3555 
3556 static LIST_HEAD(script_descs);
3557 
3558 static struct script_desc *script_desc__new(const char *name)
3559 {
3560 	struct script_desc *s = zalloc(sizeof(*s));
3561 
3562 	if (s != NULL && name)
3563 		s->name = strdup(name);
3564 
3565 	return s;
3566 }
3567 
3568 static void script_desc__delete(struct script_desc *s)
3569 {
3570 	zfree(&s->name);
3571 	zfree(&s->half_liner);
3572 	zfree(&s->args);
3573 	free(s);
3574 }
3575 
3576 static void script_desc__add(struct script_desc *s)
3577 {
3578 	list_add_tail(&s->node, &script_descs);
3579 }
3580 
3581 static struct script_desc *script_desc__find(const char *name)
3582 {
3583 	struct script_desc *s;
3584 
3585 	list_for_each_entry(s, &script_descs, node)
3586 		if (strcasecmp(s->name, name) == 0)
3587 			return s;
3588 	return NULL;
3589 }
3590 
3591 static struct script_desc *script_desc__findnew(const char *name)
3592 {
3593 	struct script_desc *s = script_desc__find(name);
3594 
3595 	if (s)
3596 		return s;
3597 
3598 	s = script_desc__new(name);
3599 	if (!s)
3600 		return NULL;
3601 
3602 	script_desc__add(s);
3603 
3604 	return s;
3605 }
3606 
3607 static const char *ends_with(const char *str, const char *suffix)
3608 {
3609 	size_t suffix_len = strlen(suffix);
3610 	const char *p = str;
3611 
3612 	if (strlen(str) > suffix_len) {
3613 		p = str + strlen(str) - suffix_len;
3614 		if (!strncmp(p, suffix, suffix_len))
3615 			return p;
3616 	}
3617 
3618 	return NULL;
3619 }
3620 
3621 static int read_script_info(struct script_desc *desc, const char *filename)
3622 {
3623 	char line[BUFSIZ], *p;
3624 	FILE *fp;
3625 
3626 	fp = fopen(filename, "r");
3627 	if (!fp)
3628 		return -1;
3629 
3630 	while (fgets(line, sizeof(line), fp)) {
3631 		p = skip_spaces(line);
3632 		if (strlen(p) == 0)
3633 			continue;
3634 		if (*p != '#')
3635 			continue;
3636 		p++;
3637 		if (strlen(p) && *p == '!')
3638 			continue;
3639 
3640 		p = skip_spaces(p);
3641 		if (strlen(p) && p[strlen(p) - 1] == '\n')
3642 			p[strlen(p) - 1] = '\0';
3643 
3644 		if (!strncmp(p, "description:", strlen("description:"))) {
3645 			p += strlen("description:");
3646 			desc->half_liner = strdup(skip_spaces(p));
3647 			continue;
3648 		}
3649 
3650 		if (!strncmp(p, "args:", strlen("args:"))) {
3651 			p += strlen("args:");
3652 			desc->args = strdup(skip_spaces(p));
3653 			continue;
3654 		}
3655 	}
3656 
3657 	fclose(fp);
3658 
3659 	return 0;
3660 }
3661 
3662 static char *get_script_root(struct dirent *script_dirent, const char *suffix)
3663 {
3664 	char *script_root, *str;
3665 
3666 	script_root = strdup(script_dirent->d_name);
3667 	if (!script_root)
3668 		return NULL;
3669 
3670 	str = (char *)ends_with(script_root, suffix);
3671 	if (!str) {
3672 		free(script_root);
3673 		return NULL;
3674 	}
3675 
3676 	*str = '\0';
3677 	return script_root;
3678 }
3679 
3680 static int list_available_scripts(const struct option *opt __maybe_unused,
3681 				  const char *s __maybe_unused,
3682 				  int unset __maybe_unused)
3683 {
3684 	struct dirent *script_dirent, *lang_dirent;
3685 	char *buf, *scripts_path, *script_path, *lang_path, *first_half;
3686 	DIR *scripts_dir, *lang_dir;
3687 	struct script_desc *desc;
3688 	char *script_root;
3689 
3690 	buf = malloc(3 * MAXPATHLEN + BUFSIZ);
3691 	if (!buf) {
3692 		pr_err("malloc failed\n");
3693 		exit(-1);
3694 	}
3695 	scripts_path = buf;
3696 	script_path = buf + MAXPATHLEN;
3697 	lang_path = buf + 2 * MAXPATHLEN;
3698 	first_half = buf + 3 * MAXPATHLEN;
3699 
3700 	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3701 
3702 	scripts_dir = opendir(scripts_path);
3703 	if (!scripts_dir) {
3704 		fprintf(stdout,
3705 			"open(%s) failed.\n"
3706 			"Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
3707 			scripts_path);
3708 		free(buf);
3709 		exit(-1);
3710 	}
3711 
3712 	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3713 		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3714 			  lang_dirent->d_name);
3715 		lang_dir = opendir(lang_path);
3716 		if (!lang_dir)
3717 			continue;
3718 
3719 		for_each_script(lang_path, lang_dir, script_dirent) {
3720 			script_root = get_script_root(script_dirent, REPORT_SUFFIX);
3721 			if (script_root) {
3722 				desc = script_desc__findnew(script_root);
3723 				scnprintf(script_path, MAXPATHLEN, "%s/%s",
3724 					  lang_path, script_dirent->d_name);
3725 				read_script_info(desc, script_path);
3726 				free(script_root);
3727 			}
3728 		}
3729 	}
3730 
3731 	fprintf(stdout, "List of available trace scripts:\n");
3732 	list_for_each_entry(desc, &script_descs, node) {
3733 		sprintf(first_half, "%s %s", desc->name,
3734 			desc->args ? desc->args : "");
3735 		fprintf(stdout, "  %-36s %s\n", first_half,
3736 			desc->half_liner ? desc->half_liner : "");
3737 	}
3738 
3739 	free(buf);
3740 	exit(0);
3741 }
3742 
3743 static int add_dlarg(const struct option *opt __maybe_unused,
3744 		     const char *s, int unset __maybe_unused)
3745 {
3746 	char *arg = strdup(s);
3747 	void *a;
3748 
3749 	if (!arg)
3750 		return -1;
3751 
3752 	a = realloc(dlargv, sizeof(dlargv[0]) * (dlargc + 1));
3753 	if (!a) {
3754 		free(arg);
3755 		return -1;
3756 	}
3757 
3758 	dlargv = a;
3759 	dlargv[dlargc++] = arg;
3760 
3761 	return 0;
3762 }
3763 
3764 static void free_dlarg(void)
3765 {
3766 	while (dlargc--)
3767 		free(dlargv[dlargc]);
3768 	free(dlargv);
3769 }
3770 
3771 static char *get_script_path(const char *script_root, const char *suffix)
3772 {
3773 	struct dirent *script_dirent, *lang_dirent;
3774 	char scripts_path[MAXPATHLEN];
3775 	char script_path[MAXPATHLEN];
3776 	DIR *scripts_dir, *lang_dir;
3777 	char lang_path[MAXPATHLEN];
3778 	char *__script_root;
3779 
3780 	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3781 
3782 	scripts_dir = opendir(scripts_path);
3783 	if (!scripts_dir)
3784 		return NULL;
3785 
3786 	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3787 		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3788 			  lang_dirent->d_name);
3789 		lang_dir = opendir(lang_path);
3790 		if (!lang_dir)
3791 			continue;
3792 
3793 		for_each_script(lang_path, lang_dir, script_dirent) {
3794 			__script_root = get_script_root(script_dirent, suffix);
3795 			if (__script_root && !strcmp(script_root, __script_root)) {
3796 				free(__script_root);
3797 				closedir(scripts_dir);
3798 				scnprintf(script_path, MAXPATHLEN, "%s/%s",
3799 					  lang_path, script_dirent->d_name);
3800 				closedir(lang_dir);
3801 				return strdup(script_path);
3802 			}
3803 			free(__script_root);
3804 		}
3805 		closedir(lang_dir);
3806 	}
3807 	closedir(scripts_dir);
3808 
3809 	return NULL;
3810 }
3811 
3812 static bool is_top_script(const char *script_path)
3813 {
3814 	return ends_with(script_path, "top") != NULL;
3815 }
3816 
3817 static int has_required_arg(char *script_path)
3818 {
3819 	struct script_desc *desc;
3820 	int n_args = 0;
3821 	char *p;
3822 
3823 	desc = script_desc__new(NULL);
3824 
3825 	if (read_script_info(desc, script_path))
3826 		goto out;
3827 
3828 	if (!desc->args)
3829 		goto out;
3830 
3831 	for (p = desc->args; *p; p++)
3832 		if (*p == '<')
3833 			n_args++;
3834 out:
3835 	script_desc__delete(desc);
3836 
3837 	return n_args;
3838 }
3839 
3840 static int have_cmd(int argc, const char **argv)
3841 {
3842 	char **__argv = calloc(argc, sizeof(const char *));
3843 
3844 	if (!__argv) {
3845 		pr_err("malloc failed\n");
3846 		return -1;
3847 	}
3848 
3849 	memcpy(__argv, argv, sizeof(const char *) * argc);
3850 	argc = parse_options(argc, (const char **)__argv, record_options,
3851 			     NULL, PARSE_OPT_STOP_AT_NON_OPTION);
3852 	free(__argv);
3853 
3854 	system_wide = (argc == 0);
3855 
3856 	return 0;
3857 }
3858 
3859 static void script__setup_sample_type(struct perf_script *script)
3860 {
3861 	struct perf_session *session = script->session;
3862 	u64 sample_type = evlist__combined_sample_type(session->evlist);
3863 
3864 	callchain_param_setup(sample_type, perf_session__e_machine(session, /*e_flags=*/NULL));
3865 
3866 	if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) {
3867 		pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
3868 			   "Please apply --call-graph lbr when recording.\n");
3869 		script->stitch_lbr = false;
3870 	}
3871 }
3872 
3873 static int process_stat_round_event(const struct perf_tool *tool __maybe_unused,
3874 				    struct perf_session *session,
3875 				    union perf_event *event)
3876 {
3877 	struct perf_record_stat_round *round = &event->stat_round;
3878 	struct evsel *counter;
3879 
3880 	evlist__for_each_entry(session->evlist, counter) {
3881 		perf_stat_process_counter(&stat_config, counter);
3882 		process_stat(counter, round->time);
3883 	}
3884 
3885 	process_stat_interval(round->time);
3886 	return 0;
3887 }
3888 
3889 static int process_stat_config_event(const struct perf_tool *tool __maybe_unused,
3890 				     struct perf_session *session __maybe_unused,
3891 				     union perf_event *event)
3892 {
3893 	perf_event__read_stat_config(&stat_config, &event->stat_config);
3894 
3895 	/*
3896 	 * Aggregation modes are not used since post-processing scripts are
3897 	 * supposed to take care of such requirements
3898 	 */
3899 	stat_config.aggr_mode = AGGR_NONE;
3900 
3901 	return 0;
3902 }
3903 
3904 static int set_maps(struct perf_script *script)
3905 {
3906 	struct evlist *evlist = script->session->evlist;
3907 
3908 	if (!script->cpus || !script->threads)
3909 		return 0;
3910 
3911 	if (WARN_ONCE(script->allocated, "stats double allocation\n"))
3912 		return -EINVAL;
3913 
3914 	perf_evlist__set_maps(evlist__core(evlist), script->cpus, script->threads);
3915 
3916 	if (evlist__alloc_stats(&stat_config, evlist, /*alloc_raw=*/true))
3917 		return -ENOMEM;
3918 
3919 	script->allocated = true;
3920 	return 0;
3921 }
3922 
3923 static
3924 int process_thread_map_event(const struct perf_tool *tool,
3925 			     struct perf_session *session __maybe_unused,
3926 			     union perf_event *event)
3927 {
3928 	struct perf_script *script = container_of(tool, struct perf_script, tool);
3929 
3930 	if (dump_trace)
3931 		perf_event__fprintf_thread_map(event, stdout);
3932 
3933 	if (script->threads) {
3934 		pr_warning("Extra thread map event, ignoring.\n");
3935 		return 0;
3936 	}
3937 
3938 	script->threads = thread_map__new_event(&event->thread_map);
3939 	if (!script->threads)
3940 		return -ENOMEM;
3941 
3942 	return set_maps(script);
3943 }
3944 
3945 static
3946 int process_cpu_map_event(const struct perf_tool *tool,
3947 			  struct perf_session *session __maybe_unused,
3948 			  union perf_event *event)
3949 {
3950 	struct perf_script *script = container_of(tool, struct perf_script, tool);
3951 
3952 	if (dump_trace)
3953 		perf_event__fprintf_cpu_map(event, stdout);
3954 
3955 	if (script->cpus) {
3956 		pr_warning("Extra cpu map event, ignoring.\n");
3957 		return 0;
3958 	}
3959 
3960 	script->cpus = cpu_map__new_data(&event->cpu_map.data);
3961 	if (!script->cpus)
3962 		return -ENOMEM;
3963 
3964 	return set_maps(script);
3965 }
3966 
3967 static int perf_script__process_auxtrace_info(const struct perf_tool *tool,
3968 					      struct perf_session *session,
3969 					      union perf_event *event)
3970 {
3971 	int ret = perf_event__process_auxtrace_info(tool, session, event);
3972 
3973 	if (ret == 0) {
3974 		struct perf_script *script = container_of(tool, struct perf_script, tool);
3975 
3976 		ret = perf_script__setup_per_event_dump(script);
3977 	}
3978 
3979 	return ret;
3980 }
3981 
3982 static int parse_insn_trace(const struct option *opt __maybe_unused,
3983 			    const char *str, int unset __maybe_unused)
3984 {
3985 	const char *fields = "+insn,-event,-period";
3986 	int ret;
3987 
3988 	if (str) {
3989 		if (strcmp(str, "disasm") == 0)
3990 			fields = "+disasm,-event,-period";
3991 		else if (strlen(str) != 0 && strcmp(str, "raw") != 0) {
3992 			fprintf(stderr, "Only accept raw|disasm\n");
3993 			return -EINVAL;
3994 		}
3995 	}
3996 
3997 	ret = parse_output_fields(NULL, fields, 0);
3998 	if (ret < 0)
3999 		return ret;
4000 
4001 	itrace_parse_synth_opts(opt, "i0nse", 0);
4002 	symbol_conf.nanosecs = true;
4003 	return 0;
4004 }
4005 
4006 static int parse_xed(const struct option *opt __maybe_unused,
4007 		     const char *str __maybe_unused,
4008 		     int unset __maybe_unused)
4009 {
4010 	if (isatty(1))
4011 		force_pager("xed -F insn: -A -64 | less");
4012 	else
4013 		force_pager("xed -F insn: -A -64");
4014 	return 0;
4015 }
4016 
4017 static int parse_call_trace(const struct option *opt __maybe_unused,
4018 			    const char *str __maybe_unused,
4019 			    int unset __maybe_unused)
4020 {
4021 	parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
4022 	itrace_parse_synth_opts(opt, "cewp", 0);
4023 	symbol_conf.nanosecs = true;
4024 	symbol_conf.pad_output_len_dso = 50;
4025 	return 0;
4026 }
4027 
4028 static int parse_callret_trace(const struct option *opt __maybe_unused,
4029 			    const char *str __maybe_unused,
4030 			    int unset __maybe_unused)
4031 {
4032 	parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
4033 	itrace_parse_synth_opts(opt, "crewp", 0);
4034 	symbol_conf.nanosecs = true;
4035 	return 0;
4036 }
4037 
4038 int cmd_script(int argc, const char **argv)
4039 {
4040 	bool show_full_info = false;
4041 	bool header = false;
4042 	bool header_only = false;
4043 	bool script_started = false;
4044 	bool unsorted_dump = false;
4045 	bool merge_deferred_callchains = true;
4046 	char *rec_script_path = NULL;
4047 	char *rep_script_path = NULL;
4048 	struct perf_session *session;
4049 	struct itrace_synth_opts itrace_synth_opts = {
4050 		.set = false,
4051 		.default_no_sample = true,
4052 	};
4053 	char *script_path = NULL;
4054 	const char *dlfilter_file = NULL;
4055 	const char **__argv;
4056 	int i, j, err = 0;
4057 	struct perf_script script = {};
4058 	struct perf_data data = {
4059 		.mode = PERF_DATA_MODE_READ,
4060 	};
4061 	const struct option options[] = {
4062 	OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
4063 		    "dump raw trace in ASCII"),
4064 	OPT_BOOLEAN(0, "dump-unsorted-raw-trace", &unsorted_dump,
4065 		    "dump unsorted raw trace in ASCII"),
4066 	OPT_INCR('v', "verbose", &verbose,
4067 		 "be more verbose (show symbol address, etc)"),
4068 	OPT_BOOLEAN('L', "Latency", &latency_format,
4069 		    "show latency attributes (irqs/preemption disabled, etc)"),
4070 	OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
4071 			   list_available_scripts),
4072 	OPT_CALLBACK_NOOPT(0, "list-dlfilters", NULL, NULL, "list available dlfilters",
4073 			   list_available_dlfilters),
4074 	OPT_CALLBACK('s', "script", NULL, "name",
4075 		     "script file name (lang:script name, script name, or *)",
4076 		     parse_scriptname),
4077 	OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
4078 		   "generate perf-script.xx script in specified language"),
4079 	OPT_STRING(0, "dlfilter", &dlfilter_file, "file", "filter .so file name"),
4080 	OPT_CALLBACK(0, "dlarg", NULL, "argument", "filter argument",
4081 		     add_dlarg),
4082 	OPT_STRING('i', "input", &input_name, "file", "input file name"),
4083 	OPT_BOOLEAN('d', "debug-mode", &debug_mode,
4084 		   "do various checks like samples ordering and lost events"),
4085 	OPT_BOOLEAN(0, "header", &header, "Show data header."),
4086 	OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
4087 	OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
4088 		   "file", "vmlinux pathname"),
4089 	OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
4090 		   "file", "kallsyms pathname"),
4091 	OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
4092 		    "When printing symbols do not display call chain"),
4093 	OPT_CALLBACK(0, "symfs", NULL, "directory[,layout]", SYMFS_HELP,
4094 		     symbol__config_symfs),
4095 	OPT_CALLBACK('F', "fields", NULL, "str",
4096 		     "comma separated output fields prepend with 'type:'. "
4097 		     "+field to add and -field to remove."
4098 		     "Valid types: hw,sw,trace,raw,synth. "
4099 		     "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,dsoff,"
4100 		     "addr,symoff,srcline,period,iregs,uregs,brstack,"
4101 		     "brstacksym,flags,data_src,weight,bpf-output,brstackinsn,"
4102 		     "brstackinsnlen,brstackdisasm,brstackoff,callindent,insn,disasm,insnlen,synth,"
4103 		     "phys_addr,metric,misc,srccode,ipc,tod,data_page_size,"
4104 		     "code_page_size,ins_lat,machine_pid,vcpu,cgroup,retire_lat,"
4105 		     "brcntr",
4106 		     parse_output_fields),
4107 	OPT_BOOLEAN('a', "all-cpus", &system_wide,
4108 		    "system-wide collection from all CPUs"),
4109 	OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
4110 		   "only consider symbols in these DSOs"),
4111 	OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
4112 		   "only consider these symbols"),
4113 	OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range,
4114 		    "Use with -S to list traced records within address range"),
4115 	OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, "raw|disasm",
4116 			"Decode instructions from itrace", parse_insn_trace),
4117 	OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
4118 			"Run xed disassembler on output", parse_xed),
4119 	OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
4120 			"Decode calls from itrace", parse_call_trace),
4121 	OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
4122 			"Decode calls and returns from itrace", parse_callret_trace),
4123 	OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",
4124 			"Only print symbols and callees with --call-trace/--call-ret-trace"),
4125 	OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
4126 		   "Stop display of callgraph at these symbols"),
4127 	OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
4128 	OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
4129 		   "only display events for these comms"),
4130 	OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
4131 		   "only consider symbols in these pids"),
4132 	OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
4133 		   "only consider symbols in these tids"),
4134 	OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
4135 		     "Set the maximum stack depth when parsing the callchain, "
4136 		     "anything beyond the specified depth will be ignored. "
4137 		     "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
4138 	OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"),
4139 	OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"),
4140 	OPT_BOOLEAN('I', "show-info", &show_full_info,
4141 		    "display extended information from perf.data file"),
4142 	OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
4143 		    "Show the path of [kernel.kallsyms]"),
4144 	OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
4145 		    "Show the fork/comm/exit events"),
4146 	OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
4147 		    "Show the mmap events"),
4148 	OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
4149 		    "Show context switch events (if recorded)"),
4150 	OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
4151 		    "Show namespace events (if recorded)"),
4152 	OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events,
4153 		    "Show cgroup events (if recorded)"),
4154 	OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
4155 		    "Show lost events (if recorded)"),
4156 	OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
4157 		    "Show round events (if recorded)"),
4158 	OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events,
4159 		    "Show bpf related events (if recorded)"),
4160 	OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events,
4161 		    "Show text poke related events (if recorded)"),
4162 	OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
4163 		    "Dump trace output to files named by the monitored events"),
4164 	OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
4165 	OPT_INTEGER(0, "max-blocks", &max_blocks,
4166 		    "Maximum number of code blocks to dump with brstackinsn"),
4167 	OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs,
4168 		    "Use 9 decimal places when displaying time"),
4169 	OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
4170 			    "Instruction Tracing options\n" ITRACE_HELP,
4171 			    itrace_parse_synth_opts),
4172 	OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
4173 			"Show full source file name path for source lines"),
4174 	OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
4175 			"Enable symbol demangling"),
4176 	OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
4177 			"Enable kernel symbol demangling"),
4178 	OPT_CALLBACK(0, "unwind-style", NULL, "unwind style",
4179 		     "unwind styles (libdw,libunwind)",
4180 		     unwind__option),
4181 	OPT_STRING(0, "addr2line", &symbol_conf.addr2line_path, "path",
4182 			"addr2line binary to use for line numbers"),
4183 	OPT_STRING(0, "time", &script.time_str, "str",
4184 		   "Time span of interest (start,stop)"),
4185 	OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
4186 		    "Show inline function"),
4187 	OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
4188 		   "guest mount directory under which every guest os"
4189 		   " instance has a subdir"),
4190 	OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name,
4191 		   "file", "file saving guest os vmlinux"),
4192 	OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms,
4193 		   "file", "file saving guest os /proc/kallsyms"),
4194 	OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
4195 		   "file", "file saving guest os /proc/modules"),
4196 	OPT_BOOLEAN(0, "guest-code", &symbol_conf.guest_code,
4197 		    "Guest code can be found in hypervisor process"),
4198 	OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr,
4199 		    "Enable LBR callgraph stitching approach"),
4200 	OPT_BOOLEAN('\0', "merge-callchains", &merge_deferred_callchains,
4201 		    "Enable merge deferred user callchains"),
4202 	OPTS_EVSWITCH(&script.evswitch),
4203 	OPT_END()
4204 	};
4205 	const char * const script_subcommands[] = { "record", "report", NULL };
4206 	const char *script_usage[] = {
4207 		"perf script [<options>]",
4208 		"perf script [<options>] record <script> [<record-options>] <command>",
4209 		"perf script [<options>] report <script> [script-args]",
4210 		"perf script [<options>] <script> [<record-options>] <command>",
4211 		"perf script [<options>] <top-script> [script-args]",
4212 		NULL
4213 	};
4214 	struct perf_env *env;
4215 
4216 	perf_set_singlethreaded();
4217 
4218 	setup_scripting();
4219 
4220 	argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
4221 			     PARSE_OPT_STOP_AT_NON_OPTION);
4222 
4223 	if (symbol_conf.guestmount ||
4224 	    symbol_conf.default_guest_vmlinux_name ||
4225 	    symbol_conf.default_guest_kallsyms ||
4226 	    symbol_conf.default_guest_modules ||
4227 	    symbol_conf.guest_code) {
4228 		/*
4229 		 * Enable guest sample processing.
4230 		 */
4231 		perf_guest = true;
4232 	}
4233 
4234 	data.path  = input_name;
4235 	data.force = symbol_conf.force;
4236 
4237 	if (unsorted_dump)
4238 		dump_trace = true;
4239 
4240 	if (symbol__validate_sym_arguments())
4241 		return -1;
4242 
4243 	if (argc > 1 && strlen(argv[0]) > 2 && strstarts("record", argv[0])) {
4244 		rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
4245 		if (!rec_script_path)
4246 			return cmd_record(argc, argv);
4247 	}
4248 
4249 	if (argc > 1 && strlen(argv[0]) > 2 && strstarts("report", argv[0])) {
4250 		rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
4251 		if (!rep_script_path) {
4252 			fprintf(stderr,
4253 				"Please specify a valid report script"
4254 				"(see 'perf script -l' for listing)\n");
4255 			return -1;
4256 		}
4257 	}
4258 
4259 	if (reltime && deltatime) {
4260 		fprintf(stderr,
4261 			"reltime and deltatime - the two don't get along well. "
4262 			"Please limit to --reltime or --deltatime.\n");
4263 		return -1;
4264 	}
4265 
4266 	if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) &&
4267 	    itrace_synth_opts.callchain_sz > scripting_max_stack)
4268 		scripting_max_stack = itrace_synth_opts.callchain_sz;
4269 
4270 	/* make sure PERF_EXEC_PATH is set for scripts */
4271 	set_argv_exec_path(get_argv_exec_path());
4272 
4273 	if (argc && !script_name && !rec_script_path && !rep_script_path) {
4274 		int live_pipe[2];
4275 		int rep_args;
4276 		pid_t pid;
4277 
4278 		rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
4279 		rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
4280 
4281 		if (!rec_script_path && !rep_script_path) {
4282 			script_name = find_script(argv[0]);
4283 			if (script_name) {
4284 				argc -= 1;
4285 				argv += 1;
4286 				goto script_found;
4287 			}
4288 			usage_with_options_msg(script_usage, options,
4289 				"Couldn't find script `%s'\n\n See perf"
4290 				" script -l for available scripts.\n", argv[0]);
4291 		}
4292 
4293 		if (is_top_script(argv[0])) {
4294 			rep_args = argc - 1;
4295 		} else {
4296 			int rec_args;
4297 
4298 			rep_args = has_required_arg(rep_script_path);
4299 			rec_args = (argc - 1) - rep_args;
4300 			if (rec_args < 0) {
4301 				usage_with_options_msg(script_usage, options,
4302 					"`%s' script requires options."
4303 					"\n\n See perf script -l for available "
4304 					"scripts and options.\n", argv[0]);
4305 			}
4306 		}
4307 
4308 		if (pipe(live_pipe) < 0) {
4309 			perror("failed to create pipe");
4310 			return -1;
4311 		}
4312 
4313 		pid = fork();
4314 		if (pid < 0) {
4315 			perror("failed to fork");
4316 			return -1;
4317 		}
4318 
4319 		if (!pid) {
4320 			j = 0;
4321 
4322 			dup2(live_pipe[1], 1);
4323 			close(live_pipe[0]);
4324 
4325 			if (is_top_script(argv[0])) {
4326 				system_wide = true;
4327 			} else if (!system_wide) {
4328 				if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
4329 					err = -1;
4330 					goto out;
4331 				}
4332 			}
4333 
4334 			__argv = calloc(argc + 6, sizeof(const char *));
4335 			if (!__argv) {
4336 				pr_err("malloc failed\n");
4337 				err = -ENOMEM;
4338 				goto out;
4339 			}
4340 
4341 			__argv[j++] = "/bin/sh";
4342 			__argv[j++] = rec_script_path;
4343 			if (system_wide)
4344 				__argv[j++] = "-a";
4345 			__argv[j++] = "-q";
4346 			__argv[j++] = "-o";
4347 			__argv[j++] = "-";
4348 			for (i = rep_args + 1; i < argc; i++)
4349 				__argv[j++] = argv[i];
4350 			__argv[j++] = NULL;
4351 
4352 			execvp("/bin/sh", (char **)__argv);
4353 			free(__argv);
4354 			exit(-1);
4355 		}
4356 
4357 		dup2(live_pipe[0], 0);
4358 		close(live_pipe[1]);
4359 
4360 		__argv = calloc(argc + 4, sizeof(const char *));
4361 		if (!__argv) {
4362 			pr_err("malloc failed\n");
4363 			err = -ENOMEM;
4364 			goto out;
4365 		}
4366 
4367 		j = 0;
4368 		__argv[j++] = "/bin/sh";
4369 		__argv[j++] = rep_script_path;
4370 		for (i = 1; i < rep_args + 1; i++)
4371 			__argv[j++] = argv[i];
4372 		__argv[j++] = "-i";
4373 		__argv[j++] = "-";
4374 		__argv[j++] = NULL;
4375 
4376 		execvp("/bin/sh", (char **)__argv);
4377 		free(__argv);
4378 		exit(-1);
4379 	}
4380 script_found:
4381 	if (rec_script_path)
4382 		script_path = rec_script_path;
4383 	if (rep_script_path)
4384 		script_path = rep_script_path;
4385 
4386 	if (script_path) {
4387 		j = 0;
4388 
4389 		if (!rec_script_path)
4390 			system_wide = false;
4391 		else if (!system_wide) {
4392 			if (have_cmd(argc - 1, &argv[1]) != 0) {
4393 				err = -1;
4394 				goto out;
4395 			}
4396 		}
4397 
4398 		__argv = calloc(argc + 2, sizeof(const char *));
4399 		if (!__argv) {
4400 			pr_err("malloc failed\n");
4401 			err = -ENOMEM;
4402 			goto out;
4403 		}
4404 
4405 		__argv[j++] = "/bin/sh";
4406 		__argv[j++] = script_path;
4407 		if (system_wide)
4408 			__argv[j++] = "-a";
4409 		for (i = 2; i < argc; i++)
4410 			__argv[j++] = argv[i];
4411 		__argv[j++] = NULL;
4412 
4413 		execvp("/bin/sh", (char **)__argv);
4414 		free(__argv);
4415 		exit(-1);
4416 	}
4417 
4418 	if (dlfilter_file) {
4419 		dlfilter = dlfilter__new(dlfilter_file, dlargc, dlargv);
4420 		if (!dlfilter)
4421 			return -1;
4422 	}
4423 
4424 	if (!script_name) {
4425 		setup_pager();
4426 		use_browser = 0;
4427 	}
4428 
4429 	perf_tool__init(&script.tool, !unsorted_dump);
4430 	script.tool.sample		 = process_sample_event;
4431 	script.tool.callchain_deferred	 = process_deferred_sample_event;
4432 	script.tool.mmap		 = perf_event__process_mmap;
4433 	script.tool.mmap2		 = perf_event__process_mmap2;
4434 	script.tool.comm		 = perf_event__process_comm;
4435 	script.tool.namespaces		 = perf_event__process_namespaces;
4436 	script.tool.cgroup		 = perf_event__process_cgroup;
4437 	script.tool.exit		 = perf_event__process_exit;
4438 	script.tool.fork		 = perf_event__process_fork;
4439 	script.tool.attr		 = process_attr;
4440 	script.tool.event_update	 = perf_event__process_event_update;
4441 #ifdef HAVE_LIBTRACEEVENT
4442 	script.tool.tracing_data	 = perf_event__process_tracing_data;
4443 #endif
4444 	script.tool.feature		 = perf_event__process_feature;
4445 	script.tool.build_id		 = perf_event__process_build_id;
4446 	script.tool.id_index		 = perf_event__process_id_index;
4447 	script.tool.auxtrace_info	 = perf_script__process_auxtrace_info;
4448 	script.tool.auxtrace		 = perf_event__process_auxtrace;
4449 	script.tool.auxtrace_error	 = perf_event__process_auxtrace_error;
4450 	script.tool.stat		 = perf_event__process_stat_event;
4451 	script.tool.stat_round		 = process_stat_round_event;
4452 	script.tool.stat_config		 = process_stat_config_event;
4453 	script.tool.thread_map		 = process_thread_map_event;
4454 	script.tool.cpu_map		 = process_cpu_map_event;
4455 	script.tool.throttle		 = process_throttle_event;
4456 	script.tool.unthrottle		 = process_throttle_event;
4457 	script.tool.ordering_requires_timestamps = true;
4458 	script.tool.merge_deferred_callchains = merge_deferred_callchains;
4459 	session = perf_session__new(&data, &script.tool);
4460 	if (IS_ERR(session))
4461 		return PTR_ERR(session);
4462 
4463 	env = perf_session__env(session);
4464 	if (header || header_only) {
4465 		script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
4466 		perf_session__fprintf_info(session, stdout, show_full_info);
4467 		if (header_only)
4468 			goto out_delete;
4469 	}
4470 	if (show_full_info)
4471 		script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
4472 
4473 	if (symbol__init(env) < 0)
4474 		goto out_delete;
4475 
4476 	script.session = session;
4477 	script__setup_sample_type(&script);
4478 
4479 	if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) ||
4480 	    symbol_conf.graph_function)
4481 		itrace_synth_opts.thread_stack = true;
4482 
4483 	session->itrace_synth_opts = &itrace_synth_opts;
4484 
4485 	if (cpu_list) {
4486 		err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
4487 		if (err < 0)
4488 			goto out_delete;
4489 		itrace_synth_opts.cpu_bitmap = cpu_bitmap;
4490 	}
4491 
4492 	if (!no_callchain)
4493 		symbol_conf.use_callchain = true;
4494 	else
4495 		symbol_conf.use_callchain = false;
4496 
4497 #ifdef HAVE_LIBTRACEEVENT
4498 	if (session->tevent.pevent &&
4499 	    tep_set_function_resolver(session->tevent.pevent,
4500 				      machine__resolve_kernel_addr,
4501 				      &session->machines.host) < 0) {
4502 		pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
4503 		err = -1;
4504 		goto out_delete;
4505 	}
4506 #endif
4507 	if (generate_script_lang) {
4508 		struct stat perf_stat;
4509 		int input;
4510 		char *filename = strdup("perf-script");
4511 
4512 		if (output_set_by_user()) {
4513 			fprintf(stderr,
4514 				"custom fields not supported for generated scripts");
4515 			err = -EINVAL;
4516 			goto out_delete;
4517 		}
4518 
4519 		input = open(data.path, O_RDONLY);	/* input_name */
4520 		if (input < 0) {
4521 			err = -errno;
4522 			perror("failed to open file");
4523 			goto out_delete;
4524 		}
4525 
4526 		err = fstat(input, &perf_stat);
4527 		if (err < 0) {
4528 			perror("failed to stat file");
4529 			goto out_delete;
4530 		}
4531 
4532 		if (!perf_stat.st_size) {
4533 			fprintf(stderr, "zero-sized file, nothing to do!\n");
4534 			goto out_delete;
4535 		}
4536 
4537 		scripting_ops = script_spec__lookup(generate_script_lang);
4538 		if (!scripting_ops && ends_with(generate_script_lang, ".py")) {
4539 			scripting_ops = script_spec__lookup("python");
4540 			free(filename);
4541 			filename = strdup(generate_script_lang);
4542 			filename[strlen(filename) - 3] = '\0';
4543 		} else if (!scripting_ops && ends_with(generate_script_lang, ".pl")) {
4544 			scripting_ops = script_spec__lookup("perl");
4545 			free(filename);
4546 			filename = strdup(generate_script_lang);
4547 			filename[strlen(filename) - 3] = '\0';
4548 		}
4549 		if (!scripting_ops) {
4550 			fprintf(stderr, "invalid language specifier '%s'\n", generate_script_lang);
4551 			err = -ENOENT;
4552 			goto out_delete;
4553 		}
4554 		if (!filename) {
4555 			err = -ENOMEM;
4556 			goto out_delete;
4557 		}
4558 #ifdef HAVE_LIBTRACEEVENT
4559 		err = scripting_ops->generate_script(session->tevent.pevent, filename);
4560 #else
4561 		err = scripting_ops->generate_script(NULL, filename);
4562 #endif
4563 		free(filename);
4564 		goto out_delete;
4565 	}
4566 
4567 	err = dlfilter__start(dlfilter, session);
4568 	if (err)
4569 		goto out_delete;
4570 
4571 	if (script_name) {
4572 		err = scripting_ops->start_script(script_name, argc, argv, session);
4573 		if (err)
4574 			goto out_delete;
4575 		pr_debug("perf script started with script %s\n\n", script_name);
4576 		script_started = true;
4577 	}
4578 
4579 
4580 	err = perf_session__check_output_opt(session);
4581 	if (err < 0)
4582 		goto out_delete;
4583 
4584 	if (script.time_str) {
4585 		err = perf_time__parse_for_ranges_reltime(script.time_str, session,
4586 						  &script.ptime_range,
4587 						  &script.range_size,
4588 						  &script.range_num,
4589 						  reltime);
4590 		if (err < 0)
4591 			goto out_delete;
4592 
4593 		itrace_synth_opts__set_time_range(&itrace_synth_opts,
4594 						  script.ptime_range,
4595 						  script.range_num);
4596 	}
4597 
4598 	err = evswitch__init(&script.evswitch, session->evlist, stderr);
4599 	if (err)
4600 		goto out_delete;
4601 
4602 	if (zstd_init(&(session->zstd_data), 0) < 0)
4603 		pr_warning("Decompression initialization failed. Reported data may be incomplete.\n");
4604 
4605 	err = __cmd_script(&script);
4606 
4607 	flush_scripting();
4608 
4609 	if (verbose > 2 || debug_kmaps)
4610 		perf_session__dump_kmaps(session);
4611 
4612 out_delete:
4613 	if (script.ptime_range) {
4614 		itrace_synth_opts__clear_time_range(&itrace_synth_opts);
4615 		zfree(&script.ptime_range);
4616 	}
4617 
4618 	zstd_fini(&(session->zstd_data));
4619 	evlist__free_stats(session->evlist);
4620 	perf_session__delete(session);
4621 	perf_script__exit(&script);
4622 
4623 	if (script_started)
4624 		cleanup_scripting();
4625 	dlfilter__cleanup(dlfilter);
4626 	free_dlarg();
4627 out:
4628 	return err;
4629 }
4630