xref: /openbmc/linux/tools/perf/builtin-script.c (revision d36f6efb)
1 // SPDX-License-Identifier: GPL-2.0
2 #include "builtin.h"
3 
4 #include "util/counts.h"
5 #include "util/debug.h"
6 #include "util/dso.h"
7 #include <subcmd/exec-cmd.h>
8 #include "util/header.h"
9 #include <subcmd/parse-options.h>
10 #include "util/perf_regs.h"
11 #include "util/session.h"
12 #include "util/tool.h"
13 #include "util/map.h"
14 #include "util/srcline.h"
15 #include "util/symbol.h"
16 #include "util/thread.h"
17 #include "util/trace-event.h"
18 #include "util/env.h"
19 #include "util/evlist.h"
20 #include "util/evsel.h"
21 #include "util/evsel_fprintf.h"
22 #include "util/evswitch.h"
23 #include "util/sort.h"
24 #include "util/data.h"
25 #include "util/auxtrace.h"
26 #include "util/cpumap.h"
27 #include "util/thread_map.h"
28 #include "util/stat.h"
29 #include "util/color.h"
30 #include "util/string2.h"
31 #include "util/thread-stack.h"
32 #include "util/time-utils.h"
33 #include "util/path.h"
34 #include "util/event.h"
35 #include "ui/ui.h"
36 #include "print_binary.h"
37 #include "archinsn.h"
38 #include <linux/bitmap.h>
39 #include <linux/kernel.h>
40 #include <linux/stringify.h>
41 #include <linux/time64.h>
42 #include <linux/zalloc.h>
43 #include <sys/utsname.h>
44 #include "asm/bug.h"
45 #include "util/mem-events.h"
46 #include "util/dump-insn.h"
47 #include <dirent.h>
48 #include <errno.h>
49 #include <inttypes.h>
50 #include <signal.h>
51 #include <sys/param.h>
52 #include <sys/types.h>
53 #include <sys/stat.h>
54 #include <fcntl.h>
55 #include <unistd.h>
56 #include <subcmd/pager.h>
57 #include <perf/evlist.h>
58 #include <linux/err.h>
59 #include "util/dlfilter.h"
60 #include "util/record.h"
61 #include "util/util.h"
62 #include "util/cgroup.h"
63 #include "perf.h"
64 
65 #include <linux/ctype.h>
66 #ifdef HAVE_LIBTRACEEVENT
67 #include <traceevent/event-parse.h>
68 #endif
69 
70 static char const		*script_name;
71 static char const		*generate_script_lang;
72 static bool			reltime;
73 static bool			deltatime;
74 static u64			initial_time;
75 static u64			previous_time;
76 static bool			debug_mode;
77 static u64			last_timestamp;
78 static u64			nr_unordered;
79 static bool			no_callchain;
80 static bool			latency_format;
81 static bool			system_wide;
82 static bool			print_flags;
83 static const char		*cpu_list;
84 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
85 static struct perf_stat_config	stat_config;
86 static int			max_blocks;
87 static bool			native_arch;
88 static struct dlfilter		*dlfilter;
89 static int			dlargc;
90 static char			**dlargv;
91 
92 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
93 
94 enum perf_output_field {
95 	PERF_OUTPUT_COMM            = 1ULL << 0,
96 	PERF_OUTPUT_TID             = 1ULL << 1,
97 	PERF_OUTPUT_PID             = 1ULL << 2,
98 	PERF_OUTPUT_TIME            = 1ULL << 3,
99 	PERF_OUTPUT_CPU             = 1ULL << 4,
100 	PERF_OUTPUT_EVNAME          = 1ULL << 5,
101 	PERF_OUTPUT_TRACE           = 1ULL << 6,
102 	PERF_OUTPUT_IP              = 1ULL << 7,
103 	PERF_OUTPUT_SYM             = 1ULL << 8,
104 	PERF_OUTPUT_DSO             = 1ULL << 9,
105 	PERF_OUTPUT_ADDR            = 1ULL << 10,
106 	PERF_OUTPUT_SYMOFFSET       = 1ULL << 11,
107 	PERF_OUTPUT_SRCLINE         = 1ULL << 12,
108 	PERF_OUTPUT_PERIOD          = 1ULL << 13,
109 	PERF_OUTPUT_IREGS	    = 1ULL << 14,
110 	PERF_OUTPUT_BRSTACK	    = 1ULL << 15,
111 	PERF_OUTPUT_BRSTACKSYM	    = 1ULL << 16,
112 	PERF_OUTPUT_DATA_SRC	    = 1ULL << 17,
113 	PERF_OUTPUT_WEIGHT	    = 1ULL << 18,
114 	PERF_OUTPUT_BPF_OUTPUT	    = 1ULL << 19,
115 	PERF_OUTPUT_CALLINDENT	    = 1ULL << 20,
116 	PERF_OUTPUT_INSN	    = 1ULL << 21,
117 	PERF_OUTPUT_INSNLEN	    = 1ULL << 22,
118 	PERF_OUTPUT_BRSTACKINSN	    = 1ULL << 23,
119 	PERF_OUTPUT_BRSTACKOFF	    = 1ULL << 24,
120 	PERF_OUTPUT_SYNTH           = 1ULL << 25,
121 	PERF_OUTPUT_PHYS_ADDR       = 1ULL << 26,
122 	PERF_OUTPUT_UREGS	    = 1ULL << 27,
123 	PERF_OUTPUT_METRIC	    = 1ULL << 28,
124 	PERF_OUTPUT_MISC            = 1ULL << 29,
125 	PERF_OUTPUT_SRCCODE	    = 1ULL << 30,
126 	PERF_OUTPUT_IPC             = 1ULL << 31,
127 	PERF_OUTPUT_TOD             = 1ULL << 32,
128 	PERF_OUTPUT_DATA_PAGE_SIZE  = 1ULL << 33,
129 	PERF_OUTPUT_CODE_PAGE_SIZE  = 1ULL << 34,
130 	PERF_OUTPUT_INS_LAT         = 1ULL << 35,
131 	PERF_OUTPUT_BRSTACKINSNLEN  = 1ULL << 36,
132 	PERF_OUTPUT_MACHINE_PID     = 1ULL << 37,
133 	PERF_OUTPUT_VCPU            = 1ULL << 38,
134 	PERF_OUTPUT_CGROUP          = 1ULL << 39,
135 	PERF_OUTPUT_RETIRE_LAT      = 1ULL << 40,
136 };
137 
138 struct perf_script {
139 	struct perf_tool	tool;
140 	struct perf_session	*session;
141 	bool			show_task_events;
142 	bool			show_mmap_events;
143 	bool			show_switch_events;
144 	bool			show_namespace_events;
145 	bool			show_lost_events;
146 	bool			show_round_events;
147 	bool			show_bpf_events;
148 	bool			show_cgroup_events;
149 	bool			show_text_poke_events;
150 	bool			allocated;
151 	bool			per_event_dump;
152 	bool			stitch_lbr;
153 	struct evswitch		evswitch;
154 	struct perf_cpu_map	*cpus;
155 	struct perf_thread_map *threads;
156 	int			name_width;
157 	const char              *time_str;
158 	struct perf_time_interval *ptime_range;
159 	int			range_size;
160 	int			range_num;
161 };
162 
163 struct output_option {
164 	const char *str;
165 	enum perf_output_field field;
166 } all_output_options[] = {
167 	{.str = "comm",  .field = PERF_OUTPUT_COMM},
168 	{.str = "tid",   .field = PERF_OUTPUT_TID},
169 	{.str = "pid",   .field = PERF_OUTPUT_PID},
170 	{.str = "time",  .field = PERF_OUTPUT_TIME},
171 	{.str = "cpu",   .field = PERF_OUTPUT_CPU},
172 	{.str = "event", .field = PERF_OUTPUT_EVNAME},
173 	{.str = "trace", .field = PERF_OUTPUT_TRACE},
174 	{.str = "ip",    .field = PERF_OUTPUT_IP},
175 	{.str = "sym",   .field = PERF_OUTPUT_SYM},
176 	{.str = "dso",   .field = PERF_OUTPUT_DSO},
177 	{.str = "addr",  .field = PERF_OUTPUT_ADDR},
178 	{.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
179 	{.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
180 	{.str = "period", .field = PERF_OUTPUT_PERIOD},
181 	{.str = "iregs", .field = PERF_OUTPUT_IREGS},
182 	{.str = "uregs", .field = PERF_OUTPUT_UREGS},
183 	{.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
184 	{.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
185 	{.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
186 	{.str = "weight",   .field = PERF_OUTPUT_WEIGHT},
187 	{.str = "bpf-output",   .field = PERF_OUTPUT_BPF_OUTPUT},
188 	{.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
189 	{.str = "insn", .field = PERF_OUTPUT_INSN},
190 	{.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
191 	{.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
192 	{.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
193 	{.str = "synth", .field = PERF_OUTPUT_SYNTH},
194 	{.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
195 	{.str = "metric", .field = PERF_OUTPUT_METRIC},
196 	{.str = "misc", .field = PERF_OUTPUT_MISC},
197 	{.str = "srccode", .field = PERF_OUTPUT_SRCCODE},
198 	{.str = "ipc", .field = PERF_OUTPUT_IPC},
199 	{.str = "tod", .field = PERF_OUTPUT_TOD},
200 	{.str = "data_page_size", .field = PERF_OUTPUT_DATA_PAGE_SIZE},
201 	{.str = "code_page_size", .field = PERF_OUTPUT_CODE_PAGE_SIZE},
202 	{.str = "ins_lat", .field = PERF_OUTPUT_INS_LAT},
203 	{.str = "brstackinsnlen", .field = PERF_OUTPUT_BRSTACKINSNLEN},
204 	{.str = "machine_pid", .field = PERF_OUTPUT_MACHINE_PID},
205 	{.str = "vcpu", .field = PERF_OUTPUT_VCPU},
206 	{.str = "cgroup", .field = PERF_OUTPUT_CGROUP},
207 	{.str = "retire_lat", .field = PERF_OUTPUT_RETIRE_LAT},
208 };
209 
210 enum {
211 	OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
212 	OUTPUT_TYPE_OTHER,
213 	OUTPUT_TYPE_MAX
214 };
215 
216 /* default set to maintain compatibility with current format */
217 static struct {
218 	bool user_set;
219 	bool wildcard_set;
220 	unsigned int print_ip_opts;
221 	u64 fields;
222 	u64 invalid_fields;
223 	u64 user_set_fields;
224 	u64 user_unset_fields;
225 } output[OUTPUT_TYPE_MAX] = {
226 
227 	[PERF_TYPE_HARDWARE] = {
228 		.user_set = false,
229 
230 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
231 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
232 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
233 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
234 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
235 
236 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
237 	},
238 
239 	[PERF_TYPE_SOFTWARE] = {
240 		.user_set = false,
241 
242 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
243 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
244 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
245 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
246 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
247 			      PERF_OUTPUT_BPF_OUTPUT,
248 
249 		.invalid_fields = PERF_OUTPUT_TRACE,
250 	},
251 
252 	[PERF_TYPE_TRACEPOINT] = {
253 		.user_set = false,
254 
255 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
256 				  PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
257 				  PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
258 	},
259 
260 	[PERF_TYPE_HW_CACHE] = {
261 		.user_set = false,
262 
263 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
264 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
265 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
266 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
267 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
268 
269 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
270 	},
271 
272 	[PERF_TYPE_RAW] = {
273 		.user_set = false,
274 
275 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
276 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
277 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
278 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
279 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
280 			      PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
281 			      PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR |
282 			      PERF_OUTPUT_DATA_PAGE_SIZE | PERF_OUTPUT_CODE_PAGE_SIZE |
283 			      PERF_OUTPUT_INS_LAT | PERF_OUTPUT_RETIRE_LAT,
284 
285 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
286 	},
287 
288 	[PERF_TYPE_BREAKPOINT] = {
289 		.user_set = false,
290 
291 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
292 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
293 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
294 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
295 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
296 
297 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
298 	},
299 
300 	[OUTPUT_TYPE_SYNTH] = {
301 		.user_set = false,
302 
303 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
304 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
305 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
306 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
307 			      PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH,
308 
309 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
310 	},
311 
312 	[OUTPUT_TYPE_OTHER] = {
313 		.user_set = false,
314 
315 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
316 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
317 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
318 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
319 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
320 
321 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
322 	},
323 };
324 
325 struct evsel_script {
326        char *filename;
327        FILE *fp;
328        u64  samples;
329        /* For metric output */
330        u64  val;
331        int  gnum;
332 };
333 
334 static inline struct evsel_script *evsel_script(struct evsel *evsel)
335 {
336 	return (struct evsel_script *)evsel->priv;
337 }
338 
339 static struct evsel_script *evsel_script__new(struct evsel *evsel, struct perf_data *data)
340 {
341 	struct evsel_script *es = zalloc(sizeof(*es));
342 
343 	if (es != NULL) {
344 		if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0)
345 			goto out_free;
346 		es->fp = fopen(es->filename, "w");
347 		if (es->fp == NULL)
348 			goto out_free_filename;
349 	}
350 
351 	return es;
352 out_free_filename:
353 	zfree(&es->filename);
354 out_free:
355 	free(es);
356 	return NULL;
357 }
358 
359 static void evsel_script__delete(struct evsel_script *es)
360 {
361 	zfree(&es->filename);
362 	fclose(es->fp);
363 	es->fp = NULL;
364 	free(es);
365 }
366 
367 static int evsel_script__fprintf(struct evsel_script *es, FILE *fp)
368 {
369 	struct stat st;
370 
371 	fstat(fileno(es->fp), &st);
372 	return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
373 		       st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
374 }
375 
376 static inline int output_type(unsigned int type)
377 {
378 	switch (type) {
379 	case PERF_TYPE_SYNTH:
380 		return OUTPUT_TYPE_SYNTH;
381 	default:
382 		if (type < PERF_TYPE_MAX)
383 			return type;
384 	}
385 
386 	return OUTPUT_TYPE_OTHER;
387 }
388 
389 static bool output_set_by_user(void)
390 {
391 	int j;
392 	for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
393 		if (output[j].user_set)
394 			return true;
395 	}
396 	return false;
397 }
398 
399 static const char *output_field2str(enum perf_output_field field)
400 {
401 	int i, imax = ARRAY_SIZE(all_output_options);
402 	const char *str = "";
403 
404 	for (i = 0; i < imax; ++i) {
405 		if (all_output_options[i].field == field) {
406 			str = all_output_options[i].str;
407 			break;
408 		}
409 	}
410 	return str;
411 }
412 
413 #define PRINT_FIELD(x)  (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
414 
415 static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
416 				 enum perf_output_field field, bool allow_user_set)
417 {
418 	struct perf_event_attr *attr = &evsel->core.attr;
419 	int type = output_type(attr->type);
420 	const char *evname;
421 
422 	if (attr->sample_type & sample_type)
423 		return 0;
424 
425 	if (output[type].user_set_fields & field) {
426 		if (allow_user_set)
427 			return 0;
428 		evname = evsel__name(evsel);
429 		pr_err("Samples for '%s' event do not have %s attribute set. "
430 		       "Cannot print '%s' field.\n",
431 		       evname, sample_msg, output_field2str(field));
432 		return -1;
433 	}
434 
435 	/* user did not ask for it explicitly so remove from the default list */
436 	output[type].fields &= ~field;
437 	evname = evsel__name(evsel);
438 	pr_debug("Samples for '%s' event do not have %s attribute set. "
439 		 "Skipping '%s' field.\n",
440 		 evname, sample_msg, output_field2str(field));
441 
442 	return 0;
443 }
444 
445 static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
446 			      enum perf_output_field field)
447 {
448 	return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false);
449 }
450 
451 static int evsel__check_attr(struct evsel *evsel, struct perf_session *session)
452 {
453 	struct perf_event_attr *attr = &evsel->core.attr;
454 	bool allow_user_set;
455 
456 	if (evsel__is_dummy_event(evsel))
457 		return 0;
458 
459 	if (perf_header__has_feat(&session->header, HEADER_STAT))
460 		return 0;
461 
462 	allow_user_set = perf_header__has_feat(&session->header,
463 					       HEADER_AUXTRACE);
464 
465 	if (PRINT_FIELD(TRACE) &&
466 	    !perf_session__has_traces(session, "record -R"))
467 		return -EINVAL;
468 
469 	if (PRINT_FIELD(IP)) {
470 		if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP))
471 			return -EINVAL;
472 	}
473 
474 	if (PRINT_FIELD(ADDR) &&
475 	    evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set))
476 		return -EINVAL;
477 
478 	if (PRINT_FIELD(DATA_SRC) &&
479 	    evsel__do_check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC, allow_user_set))
480 		return -EINVAL;
481 
482 	if (PRINT_FIELD(WEIGHT) &&
483 	    evsel__do_check_stype(evsel, PERF_SAMPLE_WEIGHT_TYPE, "WEIGHT", PERF_OUTPUT_WEIGHT, allow_user_set))
484 		return -EINVAL;
485 
486 	if (PRINT_FIELD(SYM) &&
487 	    !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
488 		pr_err("Display of symbols requested but neither sample IP nor "
489 			   "sample address\navailable. Hence, no addresses to convert "
490 		       "to symbols.\n");
491 		return -EINVAL;
492 	}
493 	if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
494 		pr_err("Display of offsets requested but symbol is not"
495 		       "selected.\n");
496 		return -EINVAL;
497 	}
498 	if (PRINT_FIELD(DSO) &&
499 	    !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
500 		pr_err("Display of DSO requested but no address to convert.\n");
501 		return -EINVAL;
502 	}
503 	if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) {
504 		pr_err("Display of source line number requested but sample IP is not\n"
505 		       "selected. Hence, no address to lookup the source line number.\n");
506 		return -EINVAL;
507 	}
508 	if ((PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN)) && !allow_user_set &&
509 	    !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) {
510 		pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
511 		       "Hint: run 'perf record -b ...'\n");
512 		return -EINVAL;
513 	}
514 	if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
515 	    evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID))
516 		return -EINVAL;
517 
518 	if (PRINT_FIELD(TIME) &&
519 	    evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME))
520 		return -EINVAL;
521 
522 	if (PRINT_FIELD(CPU) &&
523 	    evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set))
524 		return -EINVAL;
525 
526 	if (PRINT_FIELD(IREGS) &&
527 	    evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set))
528 		return -EINVAL;
529 
530 	if (PRINT_FIELD(UREGS) &&
531 	    evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS))
532 		return -EINVAL;
533 
534 	if (PRINT_FIELD(PHYS_ADDR) &&
535 	    evsel__do_check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR, allow_user_set))
536 		return -EINVAL;
537 
538 	if (PRINT_FIELD(DATA_PAGE_SIZE) &&
539 	    evsel__check_stype(evsel, PERF_SAMPLE_DATA_PAGE_SIZE, "DATA_PAGE_SIZE", PERF_OUTPUT_DATA_PAGE_SIZE))
540 		return -EINVAL;
541 
542 	if (PRINT_FIELD(CODE_PAGE_SIZE) &&
543 	    evsel__check_stype(evsel, PERF_SAMPLE_CODE_PAGE_SIZE, "CODE_PAGE_SIZE", PERF_OUTPUT_CODE_PAGE_SIZE))
544 		return -EINVAL;
545 
546 	if (PRINT_FIELD(INS_LAT) &&
547 	    evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_INS_LAT))
548 		return -EINVAL;
549 
550 	if (PRINT_FIELD(CGROUP) &&
551 	    evsel__check_stype(evsel, PERF_SAMPLE_CGROUP, "CGROUP", PERF_OUTPUT_CGROUP)) {
552 		pr_err("Hint: run 'perf record --all-cgroups ...'\n");
553 		return -EINVAL;
554 	}
555 
556 	if (PRINT_FIELD(RETIRE_LAT) &&
557 	    evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_RETIRE_LAT))
558 		return -EINVAL;
559 
560 	return 0;
561 }
562 
563 static void set_print_ip_opts(struct perf_event_attr *attr)
564 {
565 	unsigned int type = output_type(attr->type);
566 
567 	output[type].print_ip_opts = 0;
568 	if (PRINT_FIELD(IP))
569 		output[type].print_ip_opts |= EVSEL__PRINT_IP;
570 
571 	if (PRINT_FIELD(SYM))
572 		output[type].print_ip_opts |= EVSEL__PRINT_SYM;
573 
574 	if (PRINT_FIELD(DSO))
575 		output[type].print_ip_opts |= EVSEL__PRINT_DSO;
576 
577 	if (PRINT_FIELD(SYMOFFSET))
578 		output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
579 
580 	if (PRINT_FIELD(SRCLINE))
581 		output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
582 }
583 
584 static struct evsel *find_first_output_type(struct evlist *evlist,
585 					    unsigned int type)
586 {
587 	struct evsel *evsel;
588 
589 	evlist__for_each_entry(evlist, evsel) {
590 		if (evsel__is_dummy_event(evsel))
591 			continue;
592 		if (output_type(evsel->core.attr.type) == (int)type)
593 			return evsel;
594 	}
595 	return NULL;
596 }
597 
598 /*
599  * verify all user requested events exist and the samples
600  * have the expected data
601  */
602 static int perf_session__check_output_opt(struct perf_session *session)
603 {
604 	bool tod = false;
605 	unsigned int j;
606 	struct evsel *evsel;
607 
608 	for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
609 		evsel = find_first_output_type(session->evlist, j);
610 
611 		/*
612 		 * even if fields is set to 0 (ie., show nothing) event must
613 		 * exist if user explicitly includes it on the command line
614 		 */
615 		if (!evsel && output[j].user_set && !output[j].wildcard_set &&
616 		    j != OUTPUT_TYPE_SYNTH) {
617 			pr_err("%s events do not exist. "
618 			       "Remove corresponding -F option to proceed.\n",
619 			       event_type(j));
620 			return -1;
621 		}
622 
623 		if (evsel && output[j].fields &&
624 			evsel__check_attr(evsel, session))
625 			return -1;
626 
627 		if (evsel == NULL)
628 			continue;
629 
630 		set_print_ip_opts(&evsel->core.attr);
631 		tod |= output[j].fields & PERF_OUTPUT_TOD;
632 	}
633 
634 	if (!no_callchain) {
635 		bool use_callchain = false;
636 		bool not_pipe = false;
637 
638 		evlist__for_each_entry(session->evlist, evsel) {
639 			not_pipe = true;
640 			if (evsel__has_callchain(evsel)) {
641 				use_callchain = true;
642 				break;
643 			}
644 		}
645 		if (not_pipe && !use_callchain)
646 			symbol_conf.use_callchain = false;
647 	}
648 
649 	/*
650 	 * set default for tracepoints to print symbols only
651 	 * if callchains are present
652 	 */
653 	if (symbol_conf.use_callchain &&
654 	    !output[PERF_TYPE_TRACEPOINT].user_set) {
655 		j = PERF_TYPE_TRACEPOINT;
656 
657 		evlist__for_each_entry(session->evlist, evsel) {
658 			if (evsel->core.attr.type != j)
659 				continue;
660 
661 			if (evsel__has_callchain(evsel)) {
662 				output[j].fields |= PERF_OUTPUT_IP;
663 				output[j].fields |= PERF_OUTPUT_SYM;
664 				output[j].fields |= PERF_OUTPUT_SYMOFFSET;
665 				output[j].fields |= PERF_OUTPUT_DSO;
666 				set_print_ip_opts(&evsel->core.attr);
667 				goto out;
668 			}
669 		}
670 	}
671 
672 	if (tod && !session->header.env.clock.enabled) {
673 		pr_err("Can't provide 'tod' time, missing clock data. "
674 		       "Please record with -k/--clockid option.\n");
675 		return -1;
676 	}
677 out:
678 	return 0;
679 }
680 
681 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask, const char *arch,
682 				     FILE *fp)
683 {
684 	unsigned i = 0, r;
685 	int printed = 0;
686 
687 	if (!regs || !regs->regs)
688 		return 0;
689 
690 	printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
691 
692 	for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
693 		u64 val = regs->regs[i++];
694 		printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r, arch), val);
695 	}
696 
697 	return printed;
698 }
699 
700 #define DEFAULT_TOD_FMT "%F %H:%M:%S"
701 
702 static char*
703 tod_scnprintf(struct perf_script *script, char *buf, int buflen,
704 	     u64 timestamp)
705 {
706 	u64 tod_ns, clockid_ns;
707 	struct perf_env *env;
708 	unsigned long nsec;
709 	struct tm ltime;
710 	char date[64];
711 	time_t sec;
712 
713 	buf[0] = '\0';
714 	if (buflen < 64 || !script)
715 		return buf;
716 
717 	env = &script->session->header.env;
718 	if (!env->clock.enabled) {
719 		scnprintf(buf, buflen, "disabled");
720 		return buf;
721 	}
722 
723 	clockid_ns = env->clock.clockid_ns;
724 	tod_ns     = env->clock.tod_ns;
725 
726 	if (timestamp > clockid_ns)
727 		tod_ns += timestamp - clockid_ns;
728 	else
729 		tod_ns -= clockid_ns - timestamp;
730 
731 	sec  = (time_t) (tod_ns / NSEC_PER_SEC);
732 	nsec = tod_ns - sec * NSEC_PER_SEC;
733 
734 	if (localtime_r(&sec, &ltime) == NULL) {
735 		scnprintf(buf, buflen, "failed");
736 	} else {
737 		strftime(date, sizeof(date), DEFAULT_TOD_FMT, &ltime);
738 
739 		if (symbol_conf.nanosecs) {
740 			snprintf(buf, buflen, "%s.%09lu", date, nsec);
741 		} else {
742 			snprintf(buf, buflen, "%s.%06lu",
743 				 date, nsec / NSEC_PER_USEC);
744 		}
745 	}
746 
747 	return buf;
748 }
749 
750 static int perf_sample__fprintf_iregs(struct perf_sample *sample,
751 				      struct perf_event_attr *attr, const char *arch, FILE *fp)
752 {
753 	return perf_sample__fprintf_regs(&sample->intr_regs,
754 					 attr->sample_regs_intr, arch, fp);
755 }
756 
757 static int perf_sample__fprintf_uregs(struct perf_sample *sample,
758 				      struct perf_event_attr *attr, const char *arch, FILE *fp)
759 {
760 	return perf_sample__fprintf_regs(&sample->user_regs,
761 					 attr->sample_regs_user, arch, fp);
762 }
763 
764 static int perf_sample__fprintf_start(struct perf_script *script,
765 				      struct perf_sample *sample,
766 				      struct thread *thread,
767 				      struct evsel *evsel,
768 				      u32 type, FILE *fp)
769 {
770 	struct perf_event_attr *attr = &evsel->core.attr;
771 	unsigned long secs;
772 	unsigned long long nsecs;
773 	int printed = 0;
774 	char tstr[128];
775 
776 	if (PRINT_FIELD(MACHINE_PID) && sample->machine_pid)
777 		printed += fprintf(fp, "VM:%5d ", sample->machine_pid);
778 
779 	/* Print VCPU only for guest events i.e. with machine_pid */
780 	if (PRINT_FIELD(VCPU) && sample->machine_pid)
781 		printed += fprintf(fp, "VCPU:%03d ", sample->vcpu);
782 
783 	if (PRINT_FIELD(COMM)) {
784 		const char *comm = thread ? thread__comm_str(thread) : ":-1";
785 
786 		if (latency_format)
787 			printed += fprintf(fp, "%8.8s ", comm);
788 		else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
789 			printed += fprintf(fp, "%s ", comm);
790 		else
791 			printed += fprintf(fp, "%16s ", comm);
792 	}
793 
794 	if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
795 		printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid);
796 	else if (PRINT_FIELD(PID))
797 		printed += fprintf(fp, "%5d ", sample->pid);
798 	else if (PRINT_FIELD(TID))
799 		printed += fprintf(fp, "%5d ", sample->tid);
800 
801 	if (PRINT_FIELD(CPU)) {
802 		if (latency_format)
803 			printed += fprintf(fp, "%3d ", sample->cpu);
804 		else
805 			printed += fprintf(fp, "[%03d] ", sample->cpu);
806 	}
807 
808 	if (PRINT_FIELD(MISC)) {
809 		int ret = 0;
810 
811 		#define has(m) \
812 			(sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
813 
814 		if (has(KERNEL))
815 			ret += fprintf(fp, "K");
816 		if (has(USER))
817 			ret += fprintf(fp, "U");
818 		if (has(HYPERVISOR))
819 			ret += fprintf(fp, "H");
820 		if (has(GUEST_KERNEL))
821 			ret += fprintf(fp, "G");
822 		if (has(GUEST_USER))
823 			ret += fprintf(fp, "g");
824 
825 		switch (type) {
826 		case PERF_RECORD_MMAP:
827 		case PERF_RECORD_MMAP2:
828 			if (has(MMAP_DATA))
829 				ret += fprintf(fp, "M");
830 			break;
831 		case PERF_RECORD_COMM:
832 			if (has(COMM_EXEC))
833 				ret += fprintf(fp, "E");
834 			break;
835 		case PERF_RECORD_SWITCH:
836 		case PERF_RECORD_SWITCH_CPU_WIDE:
837 			if (has(SWITCH_OUT)) {
838 				ret += fprintf(fp, "S");
839 				if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
840 					ret += fprintf(fp, "p");
841 			}
842 		default:
843 			break;
844 		}
845 
846 		#undef has
847 
848 		ret += fprintf(fp, "%*s", 6 - ret, " ");
849 		printed += ret;
850 	}
851 
852 	if (PRINT_FIELD(TOD)) {
853 		tod_scnprintf(script, tstr, sizeof(tstr), sample->time);
854 		printed += fprintf(fp, "%s ", tstr);
855 	}
856 
857 	if (PRINT_FIELD(TIME)) {
858 		u64 t = sample->time;
859 		if (reltime) {
860 			if (!initial_time)
861 				initial_time = sample->time;
862 			t = sample->time - initial_time;
863 		} else if (deltatime) {
864 			if (previous_time)
865 				t = sample->time - previous_time;
866 			else {
867 				t = 0;
868 			}
869 			previous_time = sample->time;
870 		}
871 		nsecs = t;
872 		secs = nsecs / NSEC_PER_SEC;
873 		nsecs -= secs * NSEC_PER_SEC;
874 
875 		if (symbol_conf.nanosecs)
876 			printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
877 		else {
878 			char sample_time[32];
879 			timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time));
880 			printed += fprintf(fp, "%12s: ", sample_time);
881 		}
882 	}
883 
884 	return printed;
885 }
886 
887 static inline char
888 mispred_str(struct branch_entry *br)
889 {
890 	if (!(br->flags.mispred  || br->flags.predicted))
891 		return '-';
892 
893 	return br->flags.predicted ? 'P' : 'M';
894 }
895 
896 static int print_bstack_flags(FILE *fp, struct branch_entry *br)
897 {
898 	return fprintf(fp, "/%c/%c/%c/%d/%s/%s ",
899 		       mispred_str(br),
900 		       br->flags.in_tx ? 'X' : '-',
901 		       br->flags.abort ? 'A' : '-',
902 		       br->flags.cycles,
903 		       get_branch_type(br),
904 		       br->flags.spec ? branch_spec_desc(br->flags.spec) : "-");
905 }
906 
907 static int perf_sample__fprintf_brstack(struct perf_sample *sample,
908 					struct thread *thread,
909 					struct perf_event_attr *attr, FILE *fp)
910 {
911 	struct branch_stack *br = sample->branch_stack;
912 	struct branch_entry *entries = perf_sample__branch_entries(sample);
913 	struct addr_location alf, alt;
914 	u64 i, from, to;
915 	int printed = 0;
916 
917 	if (!(br && br->nr))
918 		return 0;
919 
920 	for (i = 0; i < br->nr; i++) {
921 		from = entries[i].from;
922 		to   = entries[i].to;
923 
924 		if (PRINT_FIELD(DSO)) {
925 			memset(&alf, 0, sizeof(alf));
926 			memset(&alt, 0, sizeof(alt));
927 			thread__find_map_fb(thread, sample->cpumode, from, &alf);
928 			thread__find_map_fb(thread, sample->cpumode, to, &alt);
929 		}
930 
931 		printed += fprintf(fp, " 0x%"PRIx64, from);
932 		if (PRINT_FIELD(DSO)) {
933 			printed += fprintf(fp, "(");
934 			printed += map__fprintf_dsoname(alf.map, fp);
935 			printed += fprintf(fp, ")");
936 		}
937 
938 		printed += fprintf(fp, "/0x%"PRIx64, to);
939 		if (PRINT_FIELD(DSO)) {
940 			printed += fprintf(fp, "(");
941 			printed += map__fprintf_dsoname(alt.map, fp);
942 			printed += fprintf(fp, ")");
943 		}
944 
945 		printed += print_bstack_flags(fp, entries + i);
946 	}
947 
948 	return printed;
949 }
950 
951 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
952 					   struct thread *thread,
953 					   struct perf_event_attr *attr, FILE *fp)
954 {
955 	struct branch_stack *br = sample->branch_stack;
956 	struct branch_entry *entries = perf_sample__branch_entries(sample);
957 	struct addr_location alf, alt;
958 	u64 i, from, to;
959 	int printed = 0;
960 
961 	if (!(br && br->nr))
962 		return 0;
963 
964 	for (i = 0; i < br->nr; i++) {
965 
966 		memset(&alf, 0, sizeof(alf));
967 		memset(&alt, 0, sizeof(alt));
968 		from = entries[i].from;
969 		to   = entries[i].to;
970 
971 		thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
972 		thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
973 
974 		printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
975 		if (PRINT_FIELD(DSO)) {
976 			printed += fprintf(fp, "(");
977 			printed += map__fprintf_dsoname(alf.map, fp);
978 			printed += fprintf(fp, ")");
979 		}
980 		printed += fprintf(fp, "%c", '/');
981 		printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
982 		if (PRINT_FIELD(DSO)) {
983 			printed += fprintf(fp, "(");
984 			printed += map__fprintf_dsoname(alt.map, fp);
985 			printed += fprintf(fp, ")");
986 		}
987 		printed += print_bstack_flags(fp, entries + i);
988 	}
989 
990 	return printed;
991 }
992 
993 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
994 					   struct thread *thread,
995 					   struct perf_event_attr *attr, FILE *fp)
996 {
997 	struct branch_stack *br = sample->branch_stack;
998 	struct branch_entry *entries = perf_sample__branch_entries(sample);
999 	struct addr_location alf, alt;
1000 	u64 i, from, to;
1001 	int printed = 0;
1002 
1003 	if (!(br && br->nr))
1004 		return 0;
1005 
1006 	for (i = 0; i < br->nr; i++) {
1007 
1008 		memset(&alf, 0, sizeof(alf));
1009 		memset(&alt, 0, sizeof(alt));
1010 		from = entries[i].from;
1011 		to   = entries[i].to;
1012 
1013 		if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
1014 		    !map__dso(alf.map)->adjust_symbols)
1015 			from = map__dso_map_ip(alf.map, from);
1016 
1017 		if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
1018 		    !map__dso(alt.map)->adjust_symbols)
1019 			to = map__dso_map_ip(alt.map, to);
1020 
1021 		printed += fprintf(fp, " 0x%"PRIx64, from);
1022 		if (PRINT_FIELD(DSO)) {
1023 			printed += fprintf(fp, "(");
1024 			printed += map__fprintf_dsoname(alf.map, fp);
1025 			printed += fprintf(fp, ")");
1026 		}
1027 		printed += fprintf(fp, "/0x%"PRIx64, to);
1028 		if (PRINT_FIELD(DSO)) {
1029 			printed += fprintf(fp, "(");
1030 			printed += map__fprintf_dsoname(alt.map, fp);
1031 			printed += fprintf(fp, ")");
1032 		}
1033 		printed += print_bstack_flags(fp, entries + i);
1034 	}
1035 
1036 	return printed;
1037 }
1038 #define MAXBB 16384UL
1039 
1040 static int grab_bb(u8 *buffer, u64 start, u64 end,
1041 		    struct machine *machine, struct thread *thread,
1042 		    bool *is64bit, u8 *cpumode, bool last)
1043 {
1044 	long offset, len;
1045 	struct addr_location al;
1046 	bool kernel;
1047 	struct dso *dso;
1048 
1049 	if (!start || !end)
1050 		return 0;
1051 
1052 	kernel = machine__kernel_ip(machine, start);
1053 	if (kernel)
1054 		*cpumode = PERF_RECORD_MISC_KERNEL;
1055 	else
1056 		*cpumode = PERF_RECORD_MISC_USER;
1057 
1058 	/*
1059 	 * Block overlaps between kernel and user.
1060 	 * This can happen due to ring filtering
1061 	 * On Intel CPUs the entry into the kernel is filtered,
1062 	 * but the exit is not. Let the caller patch it up.
1063 	 */
1064 	if (kernel != machine__kernel_ip(machine, end)) {
1065 		pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
1066 		return -ENXIO;
1067 	}
1068 
1069 	memset(&al, 0, sizeof(al));
1070 	if (end - start > MAXBB - MAXINSN) {
1071 		if (last)
1072 			pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
1073 		else
1074 			pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
1075 		return 0;
1076 	}
1077 
1078 	if (!thread__find_map(thread, *cpumode, start, &al) || (dso = map__dso(al.map)) == NULL) {
1079 		pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1080 		return 0;
1081 	}
1082 	if (dso->data.status == DSO_DATA_STATUS_ERROR) {
1083 		pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1084 		return 0;
1085 	}
1086 
1087 	/* Load maps to ensure dso->is_64_bit has been updated */
1088 	map__load(al.map);
1089 
1090 	offset = map__map_ip(al.map, start);
1091 	len = dso__data_read_offset(dso, machine, offset, (u8 *)buffer,
1092 				    end - start + MAXINSN);
1093 
1094 	*is64bit = dso->is_64_bit;
1095 	if (len <= 0)
1096 		pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
1097 			start, end);
1098 	return len;
1099 }
1100 
1101 static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state)
1102 {
1103 	char *srcfile;
1104 	int ret = 0;
1105 	unsigned line;
1106 	int len;
1107 	char *srccode;
1108 	struct dso *dso;
1109 
1110 	if (!map || (dso = map__dso(map)) == NULL)
1111 		return 0;
1112 	srcfile = get_srcline_split(dso,
1113 				    map__rip_2objdump(map, addr),
1114 				    &line);
1115 	if (!srcfile)
1116 		return 0;
1117 
1118 	/* Avoid redundant printing */
1119 	if (state &&
1120 	    state->srcfile &&
1121 	    !strcmp(state->srcfile, srcfile) &&
1122 	    state->line == line) {
1123 		free(srcfile);
1124 		return 0;
1125 	}
1126 
1127 	srccode = find_sourceline(srcfile, line, &len);
1128 	if (!srccode)
1129 		goto out_free_line;
1130 
1131 	ret = fprintf(fp, "|%-8d %.*s", line, len, srccode);
1132 
1133 	if (state) {
1134 		state->srcfile = srcfile;
1135 		state->line = line;
1136 	}
1137 	return ret;
1138 
1139 out_free_line:
1140 	free(srcfile);
1141 	return ret;
1142 }
1143 
1144 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr)
1145 {
1146 	struct addr_location al;
1147 	int ret = 0;
1148 
1149 	memset(&al, 0, sizeof(al));
1150 	thread__find_map(thread, cpumode, addr, &al);
1151 	if (!al.map)
1152 		return 0;
1153 	ret = map__fprintf_srccode(al.map, al.addr, stdout,
1154 		    &thread->srccode_state);
1155 	if (ret)
1156 		ret += printf("\n");
1157 	return ret;
1158 }
1159 
1160 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
1161 			    struct perf_insn *x, u8 *inbuf, int len,
1162 			    int insn, FILE *fp, int *total_cycles,
1163 			    struct perf_event_attr *attr)
1164 {
1165 	int ilen = 0;
1166 	int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t", ip,
1167 			      dump_insn(x, ip, inbuf, len, &ilen));
1168 
1169 	if (PRINT_FIELD(BRSTACKINSNLEN))
1170 		printed += fprintf(fp, "ilen: %d\t", ilen);
1171 
1172 	printed += fprintf(fp, "#%s%s%s%s",
1173 			      en->flags.predicted ? " PRED" : "",
1174 			      en->flags.mispred ? " MISPRED" : "",
1175 			      en->flags.in_tx ? " INTX" : "",
1176 			      en->flags.abort ? " ABORT" : "");
1177 	if (en->flags.cycles) {
1178 		*total_cycles += en->flags.cycles;
1179 		printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles);
1180 		if (insn)
1181 			printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
1182 	}
1183 	return printed + fprintf(fp, "\n");
1184 }
1185 
1186 static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
1187 			   u8 cpumode, int cpu, struct symbol **lastsym,
1188 			   struct perf_event_attr *attr, FILE *fp)
1189 {
1190 	struct addr_location al;
1191 	int off, printed = 0;
1192 
1193 	memset(&al, 0, sizeof(al));
1194 
1195 	thread__find_map(thread, cpumode, addr, &al);
1196 
1197 	if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
1198 		return 0;
1199 
1200 	al.cpu = cpu;
1201 	al.sym = NULL;
1202 	if (al.map)
1203 		al.sym = map__find_symbol(al.map, al.addr);
1204 
1205 	if (!al.sym)
1206 		return 0;
1207 
1208 	if (al.addr < al.sym->end)
1209 		off = al.addr - al.sym->start;
1210 	else
1211 		off = al.addr - map__start(al.map) - al.sym->start;
1212 	printed += fprintf(fp, "\t%s", al.sym->name);
1213 	if (off)
1214 		printed += fprintf(fp, "%+d", off);
1215 	printed += fprintf(fp, ":");
1216 	if (PRINT_FIELD(SRCLINE))
1217 		printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
1218 	printed += fprintf(fp, "\n");
1219 	*lastsym = al.sym;
1220 
1221 	return printed;
1222 }
1223 
1224 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
1225 					    struct thread *thread,
1226 					    struct perf_event_attr *attr,
1227 					    struct machine *machine, FILE *fp)
1228 {
1229 	struct branch_stack *br = sample->branch_stack;
1230 	struct branch_entry *entries = perf_sample__branch_entries(sample);
1231 	u64 start, end;
1232 	int i, insn, len, nr, ilen, printed = 0;
1233 	struct perf_insn x;
1234 	u8 buffer[MAXBB];
1235 	unsigned off;
1236 	struct symbol *lastsym = NULL;
1237 	int total_cycles = 0;
1238 
1239 	if (!(br && br->nr))
1240 		return 0;
1241 	nr = br->nr;
1242 	if (max_blocks && nr > max_blocks + 1)
1243 		nr = max_blocks + 1;
1244 
1245 	x.thread = thread;
1246 	x.cpu = sample->cpu;
1247 
1248 	printed += fprintf(fp, "%c", '\n');
1249 
1250 	/* Handle first from jump, of which we don't know the entry. */
1251 	len = grab_bb(buffer, entries[nr-1].from,
1252 			entries[nr-1].from,
1253 			machine, thread, &x.is64bit, &x.cpumode, false);
1254 	if (len > 0) {
1255 		printed += ip__fprintf_sym(entries[nr - 1].from, thread,
1256 					   x.cpumode, x.cpu, &lastsym, attr, fp);
1257 		printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1],
1258 					    &x, buffer, len, 0, fp, &total_cycles,
1259 					    attr);
1260 		if (PRINT_FIELD(SRCCODE))
1261 			printed += print_srccode(thread, x.cpumode, entries[nr - 1].from);
1262 	}
1263 
1264 	/* Print all blocks */
1265 	for (i = nr - 2; i >= 0; i--) {
1266 		if (entries[i].from || entries[i].to)
1267 			pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1268 				 entries[i].from,
1269 				 entries[i].to);
1270 		start = entries[i + 1].to;
1271 		end   = entries[i].from;
1272 
1273 		len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1274 		/* Patch up missing kernel transfers due to ring filters */
1275 		if (len == -ENXIO && i > 0) {
1276 			end = entries[--i].from;
1277 			pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1278 			len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1279 		}
1280 		if (len <= 0)
1281 			continue;
1282 
1283 		insn = 0;
1284 		for (off = 0; off < (unsigned)len; off += ilen) {
1285 			uint64_t ip = start + off;
1286 
1287 			printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1288 			if (ip == end) {
1289 				printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp,
1290 							    &total_cycles, attr);
1291 				if (PRINT_FIELD(SRCCODE))
1292 					printed += print_srccode(thread, x.cpumode, ip);
1293 				break;
1294 			} else {
1295 				ilen = 0;
1296 				printed += fprintf(fp, "\t%016" PRIx64 "\t%s", ip,
1297 						   dump_insn(&x, ip, buffer + off, len - off, &ilen));
1298 				if (PRINT_FIELD(BRSTACKINSNLEN))
1299 					printed += fprintf(fp, "\tilen: %d", ilen);
1300 				printed += fprintf(fp, "\n");
1301 				if (ilen == 0)
1302 					break;
1303 				if (PRINT_FIELD(SRCCODE))
1304 					print_srccode(thread, x.cpumode, ip);
1305 				insn++;
1306 			}
1307 		}
1308 		if (off != end - start)
1309 			printed += fprintf(fp, "\tmismatch of LBR data and executable\n");
1310 	}
1311 
1312 	/*
1313 	 * Hit the branch? In this case we are already done, and the target
1314 	 * has not been executed yet.
1315 	 */
1316 	if (entries[0].from == sample->ip)
1317 		goto out;
1318 	if (entries[0].flags.abort)
1319 		goto out;
1320 
1321 	/*
1322 	 * Print final block up to sample
1323 	 *
1324 	 * Due to pipeline delays the LBRs might be missing a branch
1325 	 * or two, which can result in very large or negative blocks
1326 	 * between final branch and sample. When this happens just
1327 	 * continue walking after the last TO until we hit a branch.
1328 	 */
1329 	start = entries[0].to;
1330 	end = sample->ip;
1331 	if (end < start) {
1332 		/* Missing jump. Scan 128 bytes for the next branch */
1333 		end = start + 128;
1334 	}
1335 	len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1336 	printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1337 	if (len <= 0) {
1338 		/* Print at least last IP if basic block did not work */
1339 		len = grab_bb(buffer, sample->ip, sample->ip,
1340 			      machine, thread, &x.is64bit, &x.cpumode, false);
1341 		if (len <= 0)
1342 			goto out;
1343 		ilen = 0;
1344 		printed += fprintf(fp, "\t%016" PRIx64 "\t%s", sample->ip,
1345 			dump_insn(&x, sample->ip, buffer, len, &ilen));
1346 		if (PRINT_FIELD(BRSTACKINSNLEN))
1347 			printed += fprintf(fp, "\tilen: %d", ilen);
1348 		printed += fprintf(fp, "\n");
1349 		if (PRINT_FIELD(SRCCODE))
1350 			print_srccode(thread, x.cpumode, sample->ip);
1351 		goto out;
1352 	}
1353 	for (off = 0; off <= end - start; off += ilen) {
1354 		ilen = 0;
1355 		printed += fprintf(fp, "\t%016" PRIx64 "\t%s", start + off,
1356 				   dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1357 		if (PRINT_FIELD(BRSTACKINSNLEN))
1358 			printed += fprintf(fp, "\tilen: %d", ilen);
1359 		printed += fprintf(fp, "\n");
1360 		if (ilen == 0)
1361 			break;
1362 		if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) {
1363 			/*
1364 			 * Hit a missing branch. Just stop.
1365 			 */
1366 			printed += fprintf(fp, "\t... not reaching sample ...\n");
1367 			break;
1368 		}
1369 		if (PRINT_FIELD(SRCCODE))
1370 			print_srccode(thread, x.cpumode, start + off);
1371 	}
1372 out:
1373 	return printed;
1374 }
1375 
1376 static int perf_sample__fprintf_addr(struct perf_sample *sample,
1377 				     struct thread *thread,
1378 				     struct perf_event_attr *attr, FILE *fp)
1379 {
1380 	struct addr_location al;
1381 	int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1382 
1383 	if (!sample_addr_correlates_sym(attr))
1384 		goto out;
1385 
1386 	thread__resolve(thread, &al, sample);
1387 
1388 	if (PRINT_FIELD(SYM)) {
1389 		printed += fprintf(fp, " ");
1390 		if (PRINT_FIELD(SYMOFFSET))
1391 			printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1392 		else
1393 			printed += symbol__fprintf_symname(al.sym, fp);
1394 	}
1395 
1396 	if (PRINT_FIELD(DSO)) {
1397 		printed += fprintf(fp, " (");
1398 		printed += map__fprintf_dsoname(al.map, fp);
1399 		printed += fprintf(fp, ")");
1400 	}
1401 out:
1402 	return printed;
1403 }
1404 
1405 static const char *resolve_branch_sym(struct perf_sample *sample,
1406 				      struct evsel *evsel,
1407 				      struct thread *thread,
1408 				      struct addr_location *al,
1409 				      struct addr_location *addr_al,
1410 				      u64 *ip)
1411 {
1412 	struct perf_event_attr *attr = &evsel->core.attr;
1413 	const char *name = NULL;
1414 
1415 	if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1416 		if (sample_addr_correlates_sym(attr)) {
1417 			if (!addr_al->thread)
1418 				thread__resolve(thread, addr_al, sample);
1419 			if (addr_al->sym)
1420 				name = addr_al->sym->name;
1421 			else
1422 				*ip = sample->addr;
1423 		} else {
1424 			*ip = sample->addr;
1425 		}
1426 	} else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1427 		if (al->sym)
1428 			name = al->sym->name;
1429 		else
1430 			*ip = sample->ip;
1431 	}
1432 	return name;
1433 }
1434 
1435 static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1436 					   struct evsel *evsel,
1437 					   struct thread *thread,
1438 					   struct addr_location *al,
1439 					   struct addr_location *addr_al,
1440 					   FILE *fp)
1441 {
1442 	struct perf_event_attr *attr = &evsel->core.attr;
1443 	size_t depth = thread_stack__depth(thread, sample->cpu);
1444 	const char *name = NULL;
1445 	static int spacing;
1446 	int len = 0;
1447 	int dlen = 0;
1448 	u64 ip = 0;
1449 
1450 	/*
1451 	 * The 'return' has already been popped off the stack so the depth has
1452 	 * to be adjusted to match the 'call'.
1453 	 */
1454 	if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
1455 		depth += 1;
1456 
1457 	name = resolve_branch_sym(sample, evsel, thread, al, addr_al, &ip);
1458 
1459 	if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
1460 		dlen += fprintf(fp, "(");
1461 		dlen += map__fprintf_dsoname(al->map, fp);
1462 		dlen += fprintf(fp, ")\t");
1463 	}
1464 
1465 	if (name)
1466 		len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1467 	else if (ip)
1468 		len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1469 
1470 	if (len < 0)
1471 		return len;
1472 
1473 	/*
1474 	 * Try to keep the output length from changing frequently so that the
1475 	 * output lines up more nicely.
1476 	 */
1477 	if (len > spacing || (len && len < spacing - 52))
1478 		spacing = round_up(len + 4, 32);
1479 
1480 	if (len < spacing)
1481 		len += fprintf(fp, "%*s", spacing - len, "");
1482 
1483 	return len + dlen;
1484 }
1485 
1486 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused,
1487 			    struct thread *thread __maybe_unused,
1488 			    struct machine *machine __maybe_unused)
1489 {
1490 }
1491 
1492 void script_fetch_insn(struct perf_sample *sample, struct thread *thread,
1493 		       struct machine *machine)
1494 {
1495 	if (sample->insn_len == 0 && native_arch)
1496 		arch_fetch_insn(sample, thread, machine);
1497 }
1498 
1499 static int perf_sample__fprintf_insn(struct perf_sample *sample,
1500 				     struct perf_event_attr *attr,
1501 				     struct thread *thread,
1502 				     struct machine *machine, FILE *fp)
1503 {
1504 	int printed = 0;
1505 
1506 	script_fetch_insn(sample, thread, machine);
1507 
1508 	if (PRINT_FIELD(INSNLEN))
1509 		printed += fprintf(fp, " ilen: %d", sample->insn_len);
1510 	if (PRINT_FIELD(INSN) && sample->insn_len) {
1511 		int i;
1512 
1513 		printed += fprintf(fp, " insn:");
1514 		for (i = 0; i < sample->insn_len; i++)
1515 			printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
1516 	}
1517 	if (PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN))
1518 		printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
1519 
1520 	return printed;
1521 }
1522 
1523 static int perf_sample__fprintf_ipc(struct perf_sample *sample,
1524 				    struct perf_event_attr *attr, FILE *fp)
1525 {
1526 	unsigned int ipc;
1527 
1528 	if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt)
1529 		return 0;
1530 
1531 	ipc = (sample->insn_cnt * 100) / sample->cyc_cnt;
1532 
1533 	return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ",
1534 		       ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt);
1535 }
1536 
1537 static int perf_sample__fprintf_bts(struct perf_sample *sample,
1538 				    struct evsel *evsel,
1539 				    struct thread *thread,
1540 				    struct addr_location *al,
1541 				    struct addr_location *addr_al,
1542 				    struct machine *machine, FILE *fp)
1543 {
1544 	struct perf_event_attr *attr = &evsel->core.attr;
1545 	unsigned int type = output_type(attr->type);
1546 	bool print_srcline_last = false;
1547 	int printed = 0;
1548 
1549 	if (PRINT_FIELD(CALLINDENT))
1550 		printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, addr_al, fp);
1551 
1552 	/* print branch_from information */
1553 	if (PRINT_FIELD(IP)) {
1554 		unsigned int print_opts = output[type].print_ip_opts;
1555 		struct callchain_cursor *cursor = NULL;
1556 
1557 		if (symbol_conf.use_callchain && sample->callchain &&
1558 		    thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1559 					      sample, NULL, NULL, scripting_max_stack) == 0)
1560 			cursor = &callchain_cursor;
1561 
1562 		if (cursor == NULL) {
1563 			printed += fprintf(fp, " ");
1564 			if (print_opts & EVSEL__PRINT_SRCLINE) {
1565 				print_srcline_last = true;
1566 				print_opts &= ~EVSEL__PRINT_SRCLINE;
1567 			}
1568 		} else
1569 			printed += fprintf(fp, "\n");
1570 
1571 		printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor,
1572 					       symbol_conf.bt_stop_list, fp);
1573 	}
1574 
1575 	/* print branch_to information */
1576 	if (PRINT_FIELD(ADDR) ||
1577 	    ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
1578 	     !output[type].user_set)) {
1579 		printed += fprintf(fp, " => ");
1580 		printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1581 	}
1582 
1583 	printed += perf_sample__fprintf_ipc(sample, attr, fp);
1584 
1585 	if (print_srcline_last)
1586 		printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
1587 
1588 	printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1589 	printed += fprintf(fp, "\n");
1590 	if (PRINT_FIELD(SRCCODE)) {
1591 		int ret = map__fprintf_srccode(al->map, al->addr, stdout,
1592 					 &thread->srccode_state);
1593 		if (ret) {
1594 			printed += ret;
1595 			printed += printf("\n");
1596 		}
1597 	}
1598 	return printed;
1599 }
1600 
1601 static struct {
1602 	u32 flags;
1603 	const char *name;
1604 } sample_flags[] = {
1605 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1606 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1607 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1608 	{PERF_IP_FLAG_BRANCH, "jmp"},
1609 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1610 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1611 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1612 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1613 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1614 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC |	PERF_IP_FLAG_INTERRUPT, "hw int"},
1615 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1616 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1617 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1618 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMENTRY, "vmentry"},
1619 	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMEXIT, "vmexit"},
1620 	{0, NULL}
1621 };
1622 
1623 static const char *sample_flags_to_name(u32 flags)
1624 {
1625 	int i;
1626 
1627 	for (i = 0; sample_flags[i].name ; i++) {
1628 		if (sample_flags[i].flags == flags)
1629 			return sample_flags[i].name;
1630 	}
1631 
1632 	return NULL;
1633 }
1634 
1635 int perf_sample__sprintf_flags(u32 flags, char *str, size_t sz)
1636 {
1637 	u32 xf = PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_INTR_DISABLE |
1638 		 PERF_IP_FLAG_INTR_TOGGLE;
1639 	const char *chars = PERF_IP_FLAG_CHARS;
1640 	const size_t n = strlen(PERF_IP_FLAG_CHARS);
1641 	const char *name = NULL;
1642 	size_t i, pos = 0;
1643 	char xs[16] = {0};
1644 
1645 	if (flags & xf)
1646 		snprintf(xs, sizeof(xs), "(%s%s%s)",
1647 			 flags & PERF_IP_FLAG_IN_TX ? "x" : "",
1648 			 flags & PERF_IP_FLAG_INTR_DISABLE ? "D" : "",
1649 			 flags & PERF_IP_FLAG_INTR_TOGGLE ? "t" : "");
1650 
1651 	name = sample_flags_to_name(flags & ~xf);
1652 	if (name)
1653 		return snprintf(str, sz, "%-15s%6s", name, xs);
1654 
1655 	if (flags & PERF_IP_FLAG_TRACE_BEGIN) {
1656 		name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_BEGIN));
1657 		if (name)
1658 			return snprintf(str, sz, "tr strt %-7s%6s", name, xs);
1659 	}
1660 
1661 	if (flags & PERF_IP_FLAG_TRACE_END) {
1662 		name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_END));
1663 		if (name)
1664 			return snprintf(str, sz, "tr end  %-7s%6s", name, xs);
1665 	}
1666 
1667 	for (i = 0; i < n; i++, flags >>= 1) {
1668 		if ((flags & 1) && pos < sz)
1669 			str[pos++] = chars[i];
1670 	}
1671 	for (; i < 32; i++, flags >>= 1) {
1672 		if ((flags & 1) && pos < sz)
1673 			str[pos++] = '?';
1674 	}
1675 	if (pos < sz)
1676 		str[pos] = 0;
1677 
1678 	return pos;
1679 }
1680 
1681 static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1682 {
1683 	char str[SAMPLE_FLAGS_BUF_SIZE];
1684 
1685 	perf_sample__sprintf_flags(flags, str, sizeof(str));
1686 	return fprintf(fp, "  %-21s ", str);
1687 }
1688 
1689 struct printer_data {
1690 	int line_no;
1691 	bool hit_nul;
1692 	bool is_printable;
1693 };
1694 
1695 static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1696 				      unsigned int val,
1697 				      void *extra, FILE *fp)
1698 {
1699 	unsigned char ch = (unsigned char)val;
1700 	struct printer_data *printer_data = extra;
1701 	int printed = 0;
1702 
1703 	switch (op) {
1704 	case BINARY_PRINT_DATA_BEGIN:
1705 		printed += fprintf(fp, "\n");
1706 		break;
1707 	case BINARY_PRINT_LINE_BEGIN:
1708 		printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1709 						        "           ");
1710 		break;
1711 	case BINARY_PRINT_ADDR:
1712 		printed += fprintf(fp, " %04x:", val);
1713 		break;
1714 	case BINARY_PRINT_NUM_DATA:
1715 		printed += fprintf(fp, " %02x", val);
1716 		break;
1717 	case BINARY_PRINT_NUM_PAD:
1718 		printed += fprintf(fp, "   ");
1719 		break;
1720 	case BINARY_PRINT_SEP:
1721 		printed += fprintf(fp, "  ");
1722 		break;
1723 	case BINARY_PRINT_CHAR_DATA:
1724 		if (printer_data->hit_nul && ch)
1725 			printer_data->is_printable = false;
1726 
1727 		if (!isprint(ch)) {
1728 			printed += fprintf(fp, "%c", '.');
1729 
1730 			if (!printer_data->is_printable)
1731 				break;
1732 
1733 			if (ch == '\0')
1734 				printer_data->hit_nul = true;
1735 			else
1736 				printer_data->is_printable = false;
1737 		} else {
1738 			printed += fprintf(fp, "%c", ch);
1739 		}
1740 		break;
1741 	case BINARY_PRINT_CHAR_PAD:
1742 		printed += fprintf(fp, " ");
1743 		break;
1744 	case BINARY_PRINT_LINE_END:
1745 		printed += fprintf(fp, "\n");
1746 		printer_data->line_no++;
1747 		break;
1748 	case BINARY_PRINT_DATA_END:
1749 	default:
1750 		break;
1751 	}
1752 
1753 	return printed;
1754 }
1755 
1756 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1757 {
1758 	unsigned int nr_bytes = sample->raw_size;
1759 	struct printer_data printer_data = {0, false, true};
1760 	int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1761 				      sample__fprintf_bpf_output, &printer_data, fp);
1762 
1763 	if (printer_data.is_printable && printer_data.hit_nul)
1764 		printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1765 
1766 	return printed;
1767 }
1768 
1769 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1770 {
1771 	if (len > 0 && len < spacing)
1772 		return fprintf(fp, "%*s", spacing - len, "");
1773 
1774 	return 0;
1775 }
1776 
1777 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1778 {
1779 	return perf_sample__fprintf_spacing(len, 34, fp);
1780 }
1781 
1782 /* If a value contains only printable ASCII characters padded with NULLs */
1783 static bool ptw_is_prt(u64 val)
1784 {
1785 	char c;
1786 	u32 i;
1787 
1788 	for (i = 0; i < sizeof(val); i++) {
1789 		c = ((char *)&val)[i];
1790 		if (!c)
1791 			break;
1792 		if (!isprint(c) || !isascii(c))
1793 			return false;
1794 	}
1795 	for (; i < sizeof(val); i++) {
1796 		c = ((char *)&val)[i];
1797 		if (c)
1798 			return false;
1799 	}
1800 	return true;
1801 }
1802 
1803 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1804 {
1805 	struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1806 	char str[sizeof(u64) + 1] = "";
1807 	int len;
1808 	u64 val;
1809 
1810 	if (perf_sample__bad_synth_size(sample, *data))
1811 		return 0;
1812 
1813 	val = le64_to_cpu(data->payload);
1814 	if (ptw_is_prt(val)) {
1815 		memcpy(str, &val, sizeof(val));
1816 		str[sizeof(val)] = 0;
1817 	}
1818 	len = fprintf(fp, " IP: %u payload: %#" PRIx64 " %s ",
1819 		      data->ip, val, str);
1820 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1821 }
1822 
1823 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1824 {
1825 	struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1826 	int len;
1827 
1828 	if (perf_sample__bad_synth_size(sample, *data))
1829 		return 0;
1830 
1831 	len = fprintf(fp, " hints: %#x extensions: %#x ",
1832 		      data->hints, data->extensions);
1833 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1834 }
1835 
1836 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1837 {
1838 	struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1839 	int len;
1840 
1841 	if (perf_sample__bad_synth_size(sample, *data))
1842 		return 0;
1843 
1844 	len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1845 		      data->hw, data->cstate, data->subcstate);
1846 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1847 }
1848 
1849 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1850 {
1851 	struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1852 	int len;
1853 
1854 	if (perf_sample__bad_synth_size(sample, *data))
1855 		return 0;
1856 
1857 	len = fprintf(fp, " IP: %u ", data->ip);
1858 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1859 }
1860 
1861 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1862 {
1863 	struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1864 	int len;
1865 
1866 	if (perf_sample__bad_synth_size(sample, *data))
1867 		return 0;
1868 
1869 	len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1870 		     data->deepest_cstate, data->last_cstate,
1871 		     data->wake_reason);
1872 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1873 }
1874 
1875 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1876 {
1877 	struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1878 	unsigned int percent, freq;
1879 	int len;
1880 
1881 	if (perf_sample__bad_synth_size(sample, *data))
1882 		return 0;
1883 
1884 	freq = (le32_to_cpu(data->freq) + 500) / 1000;
1885 	len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1886 	if (data->max_nonturbo) {
1887 		percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1888 		len += fprintf(fp, "(%3u%%) ", percent);
1889 	}
1890 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1891 }
1892 
1893 static int perf_sample__fprintf_synth_psb(struct perf_sample *sample, FILE *fp)
1894 {
1895 	struct perf_synth_intel_psb *data = perf_sample__synth_ptr(sample);
1896 	int len;
1897 
1898 	if (perf_sample__bad_synth_size(sample, *data))
1899 		return 0;
1900 
1901 	len = fprintf(fp, " psb offs: %#" PRIx64, data->offset);
1902 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1903 }
1904 
1905 /* Intel PT Event Trace */
1906 static int perf_sample__fprintf_synth_evt(struct perf_sample *sample, FILE *fp)
1907 {
1908 	struct perf_synth_intel_evt *data = perf_sample__synth_ptr(sample);
1909 	const char *cfe[32] = {NULL, "INTR", "IRET", "SMI", "RSM", "SIPI",
1910 			       "INIT", "VMENTRY", "VMEXIT", "VMEXIT_INTR",
1911 			       "SHUTDOWN", NULL, "UINTR", "UIRET"};
1912 	const char *evd[64] = {"PFA", "VMXQ", "VMXR"};
1913 	const char *s;
1914 	int len, i;
1915 
1916 	if (perf_sample__bad_synth_size(sample, *data))
1917 		return 0;
1918 
1919 	s = cfe[data->type];
1920 	if (s) {
1921 		len = fprintf(fp, " cfe: %s IP: %d vector: %u",
1922 			      s, data->ip, data->vector);
1923 	} else {
1924 		len = fprintf(fp, " cfe: %u IP: %d vector: %u",
1925 			      data->type, data->ip, data->vector);
1926 	}
1927 	for (i = 0; i < data->evd_cnt; i++) {
1928 		unsigned int et = data->evd[i].evd_type & 0x3f;
1929 
1930 		s = evd[et];
1931 		if (s) {
1932 			len += fprintf(fp, " %s: %#" PRIx64,
1933 				       s, data->evd[i].payload);
1934 		} else {
1935 			len += fprintf(fp, " EVD_%u: %#" PRIx64,
1936 				       et, data->evd[i].payload);
1937 		}
1938 	}
1939 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1940 }
1941 
1942 static int perf_sample__fprintf_synth_iflag_chg(struct perf_sample *sample, FILE *fp)
1943 {
1944 	struct perf_synth_intel_iflag_chg *data = perf_sample__synth_ptr(sample);
1945 	int len;
1946 
1947 	if (perf_sample__bad_synth_size(sample, *data))
1948 		return 0;
1949 
1950 	len = fprintf(fp, " IFLAG: %d->%d %s branch", !data->iflag, data->iflag,
1951 		      data->via_branch ? "via" : "non");
1952 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1953 }
1954 
1955 static int perf_sample__fprintf_synth(struct perf_sample *sample,
1956 				      struct evsel *evsel, FILE *fp)
1957 {
1958 	switch (evsel->core.attr.config) {
1959 	case PERF_SYNTH_INTEL_PTWRITE:
1960 		return perf_sample__fprintf_synth_ptwrite(sample, fp);
1961 	case PERF_SYNTH_INTEL_MWAIT:
1962 		return perf_sample__fprintf_synth_mwait(sample, fp);
1963 	case PERF_SYNTH_INTEL_PWRE:
1964 		return perf_sample__fprintf_synth_pwre(sample, fp);
1965 	case PERF_SYNTH_INTEL_EXSTOP:
1966 		return perf_sample__fprintf_synth_exstop(sample, fp);
1967 	case PERF_SYNTH_INTEL_PWRX:
1968 		return perf_sample__fprintf_synth_pwrx(sample, fp);
1969 	case PERF_SYNTH_INTEL_CBR:
1970 		return perf_sample__fprintf_synth_cbr(sample, fp);
1971 	case PERF_SYNTH_INTEL_PSB:
1972 		return perf_sample__fprintf_synth_psb(sample, fp);
1973 	case PERF_SYNTH_INTEL_EVT:
1974 		return perf_sample__fprintf_synth_evt(sample, fp);
1975 	case PERF_SYNTH_INTEL_IFLAG_CHG:
1976 		return perf_sample__fprintf_synth_iflag_chg(sample, fp);
1977 	default:
1978 		break;
1979 	}
1980 
1981 	return 0;
1982 }
1983 
1984 static int evlist__max_name_len(struct evlist *evlist)
1985 {
1986 	struct evsel *evsel;
1987 	int max = 0;
1988 
1989 	evlist__for_each_entry(evlist, evsel) {
1990 		int len = strlen(evsel__name(evsel));
1991 
1992 		max = MAX(len, max);
1993 	}
1994 
1995 	return max;
1996 }
1997 
1998 static int data_src__fprintf(u64 data_src, FILE *fp)
1999 {
2000 	struct mem_info mi = { .data_src.val = data_src };
2001 	char decode[100];
2002 	char out[100];
2003 	static int maxlen;
2004 	int len;
2005 
2006 	perf_script__meminfo_scnprintf(decode, 100, &mi);
2007 
2008 	len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
2009 	if (maxlen < len)
2010 		maxlen = len;
2011 
2012 	return fprintf(fp, "%-*s", maxlen, out);
2013 }
2014 
2015 struct metric_ctx {
2016 	struct perf_sample	*sample;
2017 	struct thread		*thread;
2018 	struct evsel	*evsel;
2019 	FILE 			*fp;
2020 };
2021 
2022 static void script_print_metric(struct perf_stat_config *config __maybe_unused,
2023 				void *ctx, const char *color,
2024 			        const char *fmt,
2025 			        const char *unit, double val)
2026 {
2027 	struct metric_ctx *mctx = ctx;
2028 
2029 	if (!fmt)
2030 		return;
2031 	perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
2032 				   PERF_RECORD_SAMPLE, mctx->fp);
2033 	fputs("\tmetric: ", mctx->fp);
2034 	if (color)
2035 		color_fprintf(mctx->fp, color, fmt, val);
2036 	else
2037 		printf(fmt, val);
2038 	fprintf(mctx->fp, " %s\n", unit);
2039 }
2040 
2041 static void script_new_line(struct perf_stat_config *config __maybe_unused,
2042 			    void *ctx)
2043 {
2044 	struct metric_ctx *mctx = ctx;
2045 
2046 	perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
2047 				   PERF_RECORD_SAMPLE, mctx->fp);
2048 	fputs("\tmetric: ", mctx->fp);
2049 }
2050 
2051 static void perf_sample__fprint_metric(struct perf_script *script,
2052 				       struct thread *thread,
2053 				       struct evsel *evsel,
2054 				       struct perf_sample *sample,
2055 				       FILE *fp)
2056 {
2057 	struct evsel *leader = evsel__leader(evsel);
2058 	struct perf_stat_output_ctx ctx = {
2059 		.print_metric = script_print_metric,
2060 		.new_line = script_new_line,
2061 		.ctx = &(struct metric_ctx) {
2062 				.sample = sample,
2063 				.thread = thread,
2064 				.evsel  = evsel,
2065 				.fp     = fp,
2066 			 },
2067 		.force_header = false,
2068 	};
2069 	struct evsel *ev2;
2070 	u64 val;
2071 
2072 	if (!evsel->stats)
2073 		evlist__alloc_stats(&stat_config, script->session->evlist, /*alloc_raw=*/false);
2074 	if (evsel_script(leader)->gnum++ == 0)
2075 		perf_stat__reset_shadow_stats();
2076 	val = sample->period * evsel->scale;
2077 	evsel_script(evsel)->val = val;
2078 	if (evsel_script(leader)->gnum == leader->core.nr_members) {
2079 		for_each_group_member (ev2, leader) {
2080 			perf_stat__print_shadow_stats(&stat_config, ev2,
2081 						      evsel_script(ev2)->val,
2082 						      sample->cpu,
2083 						      &ctx,
2084 						      NULL);
2085 		}
2086 		evsel_script(leader)->gnum = 0;
2087 	}
2088 }
2089 
2090 static bool show_event(struct perf_sample *sample,
2091 		       struct evsel *evsel,
2092 		       struct thread *thread,
2093 		       struct addr_location *al,
2094 		       struct addr_location *addr_al)
2095 {
2096 	int depth = thread_stack__depth(thread, sample->cpu);
2097 
2098 	if (!symbol_conf.graph_function)
2099 		return true;
2100 
2101 	if (thread->filter) {
2102 		if (depth <= thread->filter_entry_depth) {
2103 			thread->filter = false;
2104 			return false;
2105 		}
2106 		return true;
2107 	} else {
2108 		const char *s = symbol_conf.graph_function;
2109 		u64 ip;
2110 		const char *name = resolve_branch_sym(sample, evsel, thread, al, addr_al,
2111 				&ip);
2112 		unsigned nlen;
2113 
2114 		if (!name)
2115 			return false;
2116 		nlen = strlen(name);
2117 		while (*s) {
2118 			unsigned len = strcspn(s, ",");
2119 			if (nlen == len && !strncmp(name, s, len)) {
2120 				thread->filter = true;
2121 				thread->filter_entry_depth = depth;
2122 				return true;
2123 			}
2124 			s += len;
2125 			if (*s == ',')
2126 				s++;
2127 		}
2128 		return false;
2129 	}
2130 }
2131 
2132 static void process_event(struct perf_script *script,
2133 			  struct perf_sample *sample, struct evsel *evsel,
2134 			  struct addr_location *al,
2135 			  struct addr_location *addr_al,
2136 			  struct machine *machine)
2137 {
2138 	struct thread *thread = al->thread;
2139 	struct perf_event_attr *attr = &evsel->core.attr;
2140 	unsigned int type = output_type(attr->type);
2141 	struct evsel_script *es = evsel->priv;
2142 	FILE *fp = es->fp;
2143 	char str[PAGE_SIZE_NAME_LEN];
2144 	const char *arch = perf_env__arch(machine->env);
2145 
2146 	if (output[type].fields == 0)
2147 		return;
2148 
2149 	++es->samples;
2150 
2151 	perf_sample__fprintf_start(script, sample, thread, evsel,
2152 				   PERF_RECORD_SAMPLE, fp);
2153 
2154 	if (PRINT_FIELD(PERIOD))
2155 		fprintf(fp, "%10" PRIu64 " ", sample->period);
2156 
2157 	if (PRINT_FIELD(EVNAME)) {
2158 		const char *evname = evsel__name(evsel);
2159 
2160 		if (!script->name_width)
2161 			script->name_width = evlist__max_name_len(script->session->evlist);
2162 
2163 		fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
2164 	}
2165 
2166 	if (print_flags)
2167 		perf_sample__fprintf_flags(sample->flags, fp);
2168 
2169 	if (is_bts_event(attr)) {
2170 		perf_sample__fprintf_bts(sample, evsel, thread, al, addr_al, machine, fp);
2171 		return;
2172 	}
2173 #ifdef HAVE_LIBTRACEEVENT
2174 	if (PRINT_FIELD(TRACE) && sample->raw_data) {
2175 		event_format__fprintf(evsel->tp_format, sample->cpu,
2176 				      sample->raw_data, sample->raw_size, fp);
2177 	}
2178 #endif
2179 	if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
2180 		perf_sample__fprintf_synth(sample, evsel, fp);
2181 
2182 	if (PRINT_FIELD(ADDR))
2183 		perf_sample__fprintf_addr(sample, thread, attr, fp);
2184 
2185 	if (PRINT_FIELD(DATA_SRC))
2186 		data_src__fprintf(sample->data_src, fp);
2187 
2188 	if (PRINT_FIELD(WEIGHT))
2189 		fprintf(fp, "%16" PRIu64, sample->weight);
2190 
2191 	if (PRINT_FIELD(INS_LAT))
2192 		fprintf(fp, "%16" PRIu16, sample->ins_lat);
2193 
2194 	if (PRINT_FIELD(RETIRE_LAT))
2195 		fprintf(fp, "%16" PRIu16, sample->retire_lat);
2196 
2197 	if (PRINT_FIELD(IP)) {
2198 		struct callchain_cursor *cursor = NULL;
2199 
2200 		if (script->stitch_lbr)
2201 			al->thread->lbr_stitch_enable = true;
2202 
2203 		if (symbol_conf.use_callchain && sample->callchain &&
2204 		    thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
2205 					      sample, NULL, NULL, scripting_max_stack) == 0)
2206 			cursor = &callchain_cursor;
2207 
2208 		fputc(cursor ? '\n' : ' ', fp);
2209 		sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor,
2210 				    symbol_conf.bt_stop_list, fp);
2211 	}
2212 
2213 	if (PRINT_FIELD(IREGS))
2214 		perf_sample__fprintf_iregs(sample, attr, arch, fp);
2215 
2216 	if (PRINT_FIELD(UREGS))
2217 		perf_sample__fprintf_uregs(sample, attr, arch, fp);
2218 
2219 	if (PRINT_FIELD(BRSTACK))
2220 		perf_sample__fprintf_brstack(sample, thread, attr, fp);
2221 	else if (PRINT_FIELD(BRSTACKSYM))
2222 		perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
2223 	else if (PRINT_FIELD(BRSTACKOFF))
2224 		perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
2225 
2226 	if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
2227 		perf_sample__fprintf_bpf_output(sample, fp);
2228 	perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
2229 
2230 	if (PRINT_FIELD(PHYS_ADDR))
2231 		fprintf(fp, "%16" PRIx64, sample->phys_addr);
2232 
2233 	if (PRINT_FIELD(DATA_PAGE_SIZE))
2234 		fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str));
2235 
2236 	if (PRINT_FIELD(CODE_PAGE_SIZE))
2237 		fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str));
2238 
2239 	if (PRINT_FIELD(CGROUP)) {
2240 		const char *cgrp_name;
2241 		struct cgroup *cgrp = cgroup__find(machine->env,
2242 						   sample->cgroup);
2243 		if (cgrp != NULL)
2244 			cgrp_name = cgrp->name;
2245 		else
2246 			cgrp_name = "unknown";
2247 		fprintf(fp, " %s", cgrp_name);
2248 	}
2249 
2250 	perf_sample__fprintf_ipc(sample, attr, fp);
2251 
2252 	fprintf(fp, "\n");
2253 
2254 	if (PRINT_FIELD(SRCCODE)) {
2255 		if (map__fprintf_srccode(al->map, al->addr, stdout,
2256 					 &thread->srccode_state))
2257 			printf("\n");
2258 	}
2259 
2260 	if (PRINT_FIELD(METRIC))
2261 		perf_sample__fprint_metric(script, thread, evsel, sample, fp);
2262 
2263 	if (verbose > 0)
2264 		fflush(fp);
2265 }
2266 
2267 static struct scripting_ops	*scripting_ops;
2268 
2269 static void __process_stat(struct evsel *counter, u64 tstamp)
2270 {
2271 	int nthreads = perf_thread_map__nr(counter->core.threads);
2272 	int idx, thread;
2273 	struct perf_cpu cpu;
2274 	static int header_printed;
2275 
2276 	if (!header_printed) {
2277 		printf("%3s %8s %15s %15s %15s %15s %s\n",
2278 		       "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
2279 		header_printed = 1;
2280 	}
2281 
2282 	for (thread = 0; thread < nthreads; thread++) {
2283 		perf_cpu_map__for_each_cpu(cpu, idx, evsel__cpus(counter)) {
2284 			struct perf_counts_values *counts;
2285 
2286 			counts = perf_counts(counter->counts, idx, thread);
2287 
2288 			printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
2289 				cpu.cpu,
2290 				perf_thread_map__pid(counter->core.threads, thread),
2291 				counts->val,
2292 				counts->ena,
2293 				counts->run,
2294 				tstamp,
2295 				evsel__name(counter));
2296 		}
2297 	}
2298 }
2299 
2300 static void process_stat(struct evsel *counter, u64 tstamp)
2301 {
2302 	if (scripting_ops && scripting_ops->process_stat)
2303 		scripting_ops->process_stat(&stat_config, counter, tstamp);
2304 	else
2305 		__process_stat(counter, tstamp);
2306 }
2307 
2308 static void process_stat_interval(u64 tstamp)
2309 {
2310 	if (scripting_ops && scripting_ops->process_stat_interval)
2311 		scripting_ops->process_stat_interval(tstamp);
2312 }
2313 
2314 static void setup_scripting(void)
2315 {
2316 #ifdef HAVE_LIBTRACEEVENT
2317 	setup_perl_scripting();
2318 #endif
2319 	setup_python_scripting();
2320 }
2321 
2322 static int flush_scripting(void)
2323 {
2324 	return scripting_ops ? scripting_ops->flush_script() : 0;
2325 }
2326 
2327 static int cleanup_scripting(void)
2328 {
2329 	pr_debug("\nperf script stopped\n");
2330 
2331 	return scripting_ops ? scripting_ops->stop_script() : 0;
2332 }
2333 
2334 static bool filter_cpu(struct perf_sample *sample)
2335 {
2336 	if (cpu_list && sample->cpu != (u32)-1)
2337 		return !test_bit(sample->cpu, cpu_bitmap);
2338 	return false;
2339 }
2340 
2341 static int process_sample_event(struct perf_tool *tool,
2342 				union perf_event *event,
2343 				struct perf_sample *sample,
2344 				struct evsel *evsel,
2345 				struct machine *machine)
2346 {
2347 	struct perf_script *scr = container_of(tool, struct perf_script, tool);
2348 	struct addr_location al;
2349 	struct addr_location addr_al;
2350 	int ret = 0;
2351 
2352 	/* Set thread to NULL to indicate addr_al and al are not initialized */
2353 	addr_al.thread = NULL;
2354 	al.thread = NULL;
2355 
2356 	ret = dlfilter__filter_event_early(dlfilter, event, sample, evsel, machine, &al, &addr_al);
2357 	if (ret) {
2358 		if (ret > 0)
2359 			ret = 0;
2360 		goto out_put;
2361 	}
2362 
2363 	if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
2364 					  sample->time)) {
2365 		goto out_put;
2366 	}
2367 
2368 	if (debug_mode) {
2369 		if (sample->time < last_timestamp) {
2370 			pr_err("Samples misordered, previous: %" PRIu64
2371 				" this: %" PRIu64 "\n", last_timestamp,
2372 				sample->time);
2373 			nr_unordered++;
2374 		}
2375 		last_timestamp = sample->time;
2376 		goto out_put;
2377 	}
2378 
2379 	if (filter_cpu(sample))
2380 		goto out_put;
2381 
2382 	if (!al.thread && machine__resolve(machine, &al, sample) < 0) {
2383 		pr_err("problem processing %d event, skipping it.\n",
2384 		       event->header.type);
2385 		ret = -1;
2386 		goto out_put;
2387 	}
2388 
2389 	if (al.filtered)
2390 		goto out_put;
2391 
2392 	if (!show_event(sample, evsel, al.thread, &al, &addr_al))
2393 		goto out_put;
2394 
2395 	if (evswitch__discard(&scr->evswitch, evsel))
2396 		goto out_put;
2397 
2398 	ret = dlfilter__filter_event(dlfilter, event, sample, evsel, machine, &al, &addr_al);
2399 	if (ret) {
2400 		if (ret > 0)
2401 			ret = 0;
2402 		goto out_put;
2403 	}
2404 
2405 	if (scripting_ops) {
2406 		struct addr_location *addr_al_ptr = NULL;
2407 
2408 		if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
2409 		    sample_addr_correlates_sym(&evsel->core.attr)) {
2410 			if (!addr_al.thread)
2411 				thread__resolve(al.thread, &addr_al, sample);
2412 			addr_al_ptr = &addr_al;
2413 		}
2414 		scripting_ops->process_event(event, sample, evsel, &al, addr_al_ptr);
2415 	} else {
2416 		process_event(scr, sample, evsel, &al, &addr_al, machine);
2417 	}
2418 
2419 out_put:
2420 	if (al.thread)
2421 		addr_location__put(&al);
2422 	return ret;
2423 }
2424 
2425 static int process_attr(struct perf_tool *tool, union perf_event *event,
2426 			struct evlist **pevlist)
2427 {
2428 	struct perf_script *scr = container_of(tool, struct perf_script, tool);
2429 	struct evlist *evlist;
2430 	struct evsel *evsel, *pos;
2431 	u64 sample_type;
2432 	int err;
2433 	static struct evsel_script *es;
2434 
2435 	err = perf_event__process_attr(tool, event, pevlist);
2436 	if (err)
2437 		return err;
2438 
2439 	evlist = *pevlist;
2440 	evsel = evlist__last(*pevlist);
2441 
2442 	if (!evsel->priv) {
2443 		if (scr->per_event_dump) {
2444 			evsel->priv = evsel_script__new(evsel, scr->session->data);
2445 		} else {
2446 			es = zalloc(sizeof(*es));
2447 			if (!es)
2448 				return -ENOMEM;
2449 			es->fp = stdout;
2450 			evsel->priv = es;
2451 		}
2452 	}
2453 
2454 	if (evsel->core.attr.type >= PERF_TYPE_MAX &&
2455 	    evsel->core.attr.type != PERF_TYPE_SYNTH)
2456 		return 0;
2457 
2458 	evlist__for_each_entry(evlist, pos) {
2459 		if (pos->core.attr.type == evsel->core.attr.type && pos != evsel)
2460 			return 0;
2461 	}
2462 
2463 	if (evsel->core.attr.sample_type) {
2464 		err = evsel__check_attr(evsel, scr->session);
2465 		if (err)
2466 			return err;
2467 	}
2468 
2469 	/*
2470 	 * Check if we need to enable callchains based
2471 	 * on events sample_type.
2472 	 */
2473 	sample_type = evlist__combined_sample_type(evlist);
2474 	callchain_param_setup(sample_type, perf_env__arch((*pevlist)->env));
2475 
2476 	/* Enable fields for callchain entries */
2477 	if (symbol_conf.use_callchain &&
2478 	    (sample_type & PERF_SAMPLE_CALLCHAIN ||
2479 	     sample_type & PERF_SAMPLE_BRANCH_STACK ||
2480 	     (sample_type & PERF_SAMPLE_REGS_USER &&
2481 	      sample_type & PERF_SAMPLE_STACK_USER))) {
2482 		int type = output_type(evsel->core.attr.type);
2483 
2484 		if (!(output[type].user_unset_fields & PERF_OUTPUT_IP))
2485 			output[type].fields |= PERF_OUTPUT_IP;
2486 		if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM))
2487 			output[type].fields |= PERF_OUTPUT_SYM;
2488 	}
2489 	set_print_ip_opts(&evsel->core.attr);
2490 	return 0;
2491 }
2492 
2493 static int print_event_with_time(struct perf_tool *tool,
2494 				 union perf_event *event,
2495 				 struct perf_sample *sample,
2496 				 struct machine *machine,
2497 				 pid_t pid, pid_t tid, u64 timestamp)
2498 {
2499 	struct perf_script *script = container_of(tool, struct perf_script, tool);
2500 	struct perf_session *session = script->session;
2501 	struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id);
2502 	struct thread *thread = NULL;
2503 
2504 	if (evsel && !evsel->core.attr.sample_id_all) {
2505 		sample->cpu = 0;
2506 		sample->time = timestamp;
2507 		sample->pid = pid;
2508 		sample->tid = tid;
2509 	}
2510 
2511 	if (filter_cpu(sample))
2512 		return 0;
2513 
2514 	if (tid != -1)
2515 		thread = machine__findnew_thread(machine, pid, tid);
2516 
2517 	if (evsel) {
2518 		perf_sample__fprintf_start(script, sample, thread, evsel,
2519 					   event->header.type, stdout);
2520 	}
2521 
2522 	perf_event__fprintf(event, machine, stdout);
2523 
2524 	thread__put(thread);
2525 
2526 	return 0;
2527 }
2528 
2529 static int print_event(struct perf_tool *tool, union perf_event *event,
2530 		       struct perf_sample *sample, struct machine *machine,
2531 		       pid_t pid, pid_t tid)
2532 {
2533 	return print_event_with_time(tool, event, sample, machine, pid, tid, 0);
2534 }
2535 
2536 static int process_comm_event(struct perf_tool *tool,
2537 			      union perf_event *event,
2538 			      struct perf_sample *sample,
2539 			      struct machine *machine)
2540 {
2541 	if (perf_event__process_comm(tool, event, sample, machine) < 0)
2542 		return -1;
2543 
2544 	return print_event(tool, event, sample, machine, event->comm.pid,
2545 			   event->comm.tid);
2546 }
2547 
2548 static int process_namespaces_event(struct perf_tool *tool,
2549 				    union perf_event *event,
2550 				    struct perf_sample *sample,
2551 				    struct machine *machine)
2552 {
2553 	if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
2554 		return -1;
2555 
2556 	return print_event(tool, event, sample, machine, event->namespaces.pid,
2557 			   event->namespaces.tid);
2558 }
2559 
2560 static int process_cgroup_event(struct perf_tool *tool,
2561 				union perf_event *event,
2562 				struct perf_sample *sample,
2563 				struct machine *machine)
2564 {
2565 	if (perf_event__process_cgroup(tool, event, sample, machine) < 0)
2566 		return -1;
2567 
2568 	return print_event(tool, event, sample, machine, sample->pid,
2569 			    sample->tid);
2570 }
2571 
2572 static int process_fork_event(struct perf_tool *tool,
2573 			      union perf_event *event,
2574 			      struct perf_sample *sample,
2575 			      struct machine *machine)
2576 {
2577 	if (perf_event__process_fork(tool, event, sample, machine) < 0)
2578 		return -1;
2579 
2580 	return print_event_with_time(tool, event, sample, machine,
2581 				     event->fork.pid, event->fork.tid,
2582 				     event->fork.time);
2583 }
2584 static int process_exit_event(struct perf_tool *tool,
2585 			      union perf_event *event,
2586 			      struct perf_sample *sample,
2587 			      struct machine *machine)
2588 {
2589 	/* Print before 'exit' deletes anything */
2590 	if (print_event_with_time(tool, event, sample, machine, event->fork.pid,
2591 				  event->fork.tid, event->fork.time))
2592 		return -1;
2593 
2594 	return perf_event__process_exit(tool, event, sample, machine);
2595 }
2596 
2597 static int process_mmap_event(struct perf_tool *tool,
2598 			      union perf_event *event,
2599 			      struct perf_sample *sample,
2600 			      struct machine *machine)
2601 {
2602 	if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2603 		return -1;
2604 
2605 	return print_event(tool, event, sample, machine, event->mmap.pid,
2606 			   event->mmap.tid);
2607 }
2608 
2609 static int process_mmap2_event(struct perf_tool *tool,
2610 			      union perf_event *event,
2611 			      struct perf_sample *sample,
2612 			      struct machine *machine)
2613 {
2614 	if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2615 		return -1;
2616 
2617 	return print_event(tool, event, sample, machine, event->mmap2.pid,
2618 			   event->mmap2.tid);
2619 }
2620 
2621 static int process_switch_event(struct perf_tool *tool,
2622 				union perf_event *event,
2623 				struct perf_sample *sample,
2624 				struct machine *machine)
2625 {
2626 	struct perf_script *script = container_of(tool, struct perf_script, tool);
2627 
2628 	if (perf_event__process_switch(tool, event, sample, machine) < 0)
2629 		return -1;
2630 
2631 	if (scripting_ops && scripting_ops->process_switch && !filter_cpu(sample))
2632 		scripting_ops->process_switch(event, sample, machine);
2633 
2634 	if (!script->show_switch_events)
2635 		return 0;
2636 
2637 	return print_event(tool, event, sample, machine, sample->pid,
2638 			   sample->tid);
2639 }
2640 
2641 static int process_auxtrace_error(struct perf_session *session,
2642 				  union perf_event *event)
2643 {
2644 	if (scripting_ops && scripting_ops->process_auxtrace_error) {
2645 		scripting_ops->process_auxtrace_error(session, event);
2646 		return 0;
2647 	}
2648 
2649 	return perf_event__process_auxtrace_error(session, event);
2650 }
2651 
2652 static int
2653 process_lost_event(struct perf_tool *tool,
2654 		   union perf_event *event,
2655 		   struct perf_sample *sample,
2656 		   struct machine *machine)
2657 {
2658 	return print_event(tool, event, sample, machine, sample->pid,
2659 			   sample->tid);
2660 }
2661 
2662 static int
2663 process_throttle_event(struct perf_tool *tool __maybe_unused,
2664 		       union perf_event *event,
2665 		       struct perf_sample *sample,
2666 		       struct machine *machine)
2667 {
2668 	if (scripting_ops && scripting_ops->process_throttle)
2669 		scripting_ops->process_throttle(event, sample, machine);
2670 	return 0;
2671 }
2672 
2673 static int
2674 process_finished_round_event(struct perf_tool *tool __maybe_unused,
2675 			     union perf_event *event,
2676 			     struct ordered_events *oe __maybe_unused)
2677 
2678 {
2679 	perf_event__fprintf(event, NULL, stdout);
2680 	return 0;
2681 }
2682 
2683 static int
2684 process_bpf_events(struct perf_tool *tool __maybe_unused,
2685 		   union perf_event *event,
2686 		   struct perf_sample *sample,
2687 		   struct machine *machine)
2688 {
2689 	if (machine__process_ksymbol(machine, event, sample) < 0)
2690 		return -1;
2691 
2692 	return print_event(tool, event, sample, machine, sample->pid,
2693 			   sample->tid);
2694 }
2695 
2696 static int process_text_poke_events(struct perf_tool *tool,
2697 				    union perf_event *event,
2698 				    struct perf_sample *sample,
2699 				    struct machine *machine)
2700 {
2701 	if (perf_event__process_text_poke(tool, event, sample, machine) < 0)
2702 		return -1;
2703 
2704 	return print_event(tool, event, sample, machine, sample->pid,
2705 			   sample->tid);
2706 }
2707 
2708 static void sig_handler(int sig __maybe_unused)
2709 {
2710 	session_done = 1;
2711 }
2712 
2713 static void perf_script__fclose_per_event_dump(struct perf_script *script)
2714 {
2715 	struct evlist *evlist = script->session->evlist;
2716 	struct evsel *evsel;
2717 
2718 	evlist__for_each_entry(evlist, evsel) {
2719 		if (!evsel->priv)
2720 			break;
2721 		evsel_script__delete(evsel->priv);
2722 		evsel->priv = NULL;
2723 	}
2724 }
2725 
2726 static int perf_script__fopen_per_event_dump(struct perf_script *script)
2727 {
2728 	struct evsel *evsel;
2729 
2730 	evlist__for_each_entry(script->session->evlist, evsel) {
2731 		/*
2732 		 * Already setup? I.e. we may be called twice in cases like
2733 		 * Intel PT, one for the intel_pt// and dummy events, then
2734 		 * for the evsels synthesized from the auxtrace info.
2735 		 *
2736 		 * Ses perf_script__process_auxtrace_info.
2737 		 */
2738 		if (evsel->priv != NULL)
2739 			continue;
2740 
2741 		evsel->priv = evsel_script__new(evsel, script->session->data);
2742 		if (evsel->priv == NULL)
2743 			goto out_err_fclose;
2744 	}
2745 
2746 	return 0;
2747 
2748 out_err_fclose:
2749 	perf_script__fclose_per_event_dump(script);
2750 	return -1;
2751 }
2752 
2753 static int perf_script__setup_per_event_dump(struct perf_script *script)
2754 {
2755 	struct evsel *evsel;
2756 	static struct evsel_script es_stdout;
2757 
2758 	if (script->per_event_dump)
2759 		return perf_script__fopen_per_event_dump(script);
2760 
2761 	es_stdout.fp = stdout;
2762 
2763 	evlist__for_each_entry(script->session->evlist, evsel)
2764 		evsel->priv = &es_stdout;
2765 
2766 	return 0;
2767 }
2768 
2769 static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2770 {
2771 	struct evsel *evsel;
2772 
2773 	evlist__for_each_entry(script->session->evlist, evsel) {
2774 		struct evsel_script *es = evsel->priv;
2775 
2776 		evsel_script__fprintf(es, stdout);
2777 		evsel_script__delete(es);
2778 		evsel->priv = NULL;
2779 	}
2780 }
2781 
2782 static void perf_script__exit(struct perf_script *script)
2783 {
2784 	perf_thread_map__put(script->threads);
2785 	perf_cpu_map__put(script->cpus);
2786 }
2787 
2788 static int __cmd_script(struct perf_script *script)
2789 {
2790 	int ret;
2791 
2792 	signal(SIGINT, sig_handler);
2793 
2794 	/* override event processing functions */
2795 	if (script->show_task_events) {
2796 		script->tool.comm = process_comm_event;
2797 		script->tool.fork = process_fork_event;
2798 		script->tool.exit = process_exit_event;
2799 	}
2800 	if (script->show_mmap_events) {
2801 		script->tool.mmap = process_mmap_event;
2802 		script->tool.mmap2 = process_mmap2_event;
2803 	}
2804 	if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch))
2805 		script->tool.context_switch = process_switch_event;
2806 	if (scripting_ops && scripting_ops->process_auxtrace_error)
2807 		script->tool.auxtrace_error = process_auxtrace_error;
2808 	if (script->show_namespace_events)
2809 		script->tool.namespaces = process_namespaces_event;
2810 	if (script->show_cgroup_events)
2811 		script->tool.cgroup = process_cgroup_event;
2812 	if (script->show_lost_events)
2813 		script->tool.lost = process_lost_event;
2814 	if (script->show_round_events) {
2815 		script->tool.ordered_events = false;
2816 		script->tool.finished_round = process_finished_round_event;
2817 	}
2818 	if (script->show_bpf_events) {
2819 		script->tool.ksymbol = process_bpf_events;
2820 		script->tool.bpf     = process_bpf_events;
2821 	}
2822 	if (script->show_text_poke_events) {
2823 		script->tool.ksymbol   = process_bpf_events;
2824 		script->tool.text_poke = process_text_poke_events;
2825 	}
2826 
2827 	if (perf_script__setup_per_event_dump(script)) {
2828 		pr_err("Couldn't create the per event dump files\n");
2829 		return -1;
2830 	}
2831 
2832 	ret = perf_session__process_events(script->session);
2833 
2834 	if (script->per_event_dump)
2835 		perf_script__exit_per_event_dump_stats(script);
2836 
2837 	if (debug_mode)
2838 		pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2839 
2840 	return ret;
2841 }
2842 
2843 struct script_spec {
2844 	struct list_head	node;
2845 	struct scripting_ops	*ops;
2846 	char			spec[];
2847 };
2848 
2849 static LIST_HEAD(script_specs);
2850 
2851 static struct script_spec *script_spec__new(const char *spec,
2852 					    struct scripting_ops *ops)
2853 {
2854 	struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2855 
2856 	if (s != NULL) {
2857 		strcpy(s->spec, spec);
2858 		s->ops = ops;
2859 	}
2860 
2861 	return s;
2862 }
2863 
2864 static void script_spec__add(struct script_spec *s)
2865 {
2866 	list_add_tail(&s->node, &script_specs);
2867 }
2868 
2869 static struct script_spec *script_spec__find(const char *spec)
2870 {
2871 	struct script_spec *s;
2872 
2873 	list_for_each_entry(s, &script_specs, node)
2874 		if (strcasecmp(s->spec, spec) == 0)
2875 			return s;
2876 	return NULL;
2877 }
2878 
2879 int script_spec_register(const char *spec, struct scripting_ops *ops)
2880 {
2881 	struct script_spec *s;
2882 
2883 	s = script_spec__find(spec);
2884 	if (s)
2885 		return -1;
2886 
2887 	s = script_spec__new(spec, ops);
2888 	if (!s)
2889 		return -1;
2890 	else
2891 		script_spec__add(s);
2892 
2893 	return 0;
2894 }
2895 
2896 static struct scripting_ops *script_spec__lookup(const char *spec)
2897 {
2898 	struct script_spec *s = script_spec__find(spec);
2899 	if (!s)
2900 		return NULL;
2901 
2902 	return s->ops;
2903 }
2904 
2905 static void list_available_languages(void)
2906 {
2907 	struct script_spec *s;
2908 
2909 	fprintf(stderr, "\n");
2910 	fprintf(stderr, "Scripting language extensions (used in "
2911 		"perf script -s [spec:]script.[spec]):\n\n");
2912 
2913 	list_for_each_entry(s, &script_specs, node)
2914 		fprintf(stderr, "  %-42s [%s]\n", s->spec, s->ops->name);
2915 
2916 	fprintf(stderr, "\n");
2917 }
2918 
2919 /* Find script file relative to current directory or exec path */
2920 static char *find_script(const char *script)
2921 {
2922 	char path[PATH_MAX];
2923 
2924 	if (!scripting_ops) {
2925 		const char *ext = strrchr(script, '.');
2926 
2927 		if (!ext)
2928 			return NULL;
2929 
2930 		scripting_ops = script_spec__lookup(++ext);
2931 		if (!scripting_ops)
2932 			return NULL;
2933 	}
2934 
2935 	if (access(script, R_OK)) {
2936 		char *exec_path = get_argv_exec_path();
2937 
2938 		if (!exec_path)
2939 			return NULL;
2940 		snprintf(path, sizeof(path), "%s/scripts/%s/%s",
2941 			 exec_path, scripting_ops->dirname, script);
2942 		free(exec_path);
2943 		script = path;
2944 		if (access(script, R_OK))
2945 			return NULL;
2946 	}
2947 	return strdup(script);
2948 }
2949 
2950 static int parse_scriptname(const struct option *opt __maybe_unused,
2951 			    const char *str, int unset __maybe_unused)
2952 {
2953 	char spec[PATH_MAX];
2954 	const char *script, *ext;
2955 	int len;
2956 
2957 	if (strcmp(str, "lang") == 0) {
2958 		list_available_languages();
2959 		exit(0);
2960 	}
2961 
2962 	script = strchr(str, ':');
2963 	if (script) {
2964 		len = script - str;
2965 		if (len >= PATH_MAX) {
2966 			fprintf(stderr, "invalid language specifier");
2967 			return -1;
2968 		}
2969 		strncpy(spec, str, len);
2970 		spec[len] = '\0';
2971 		scripting_ops = script_spec__lookup(spec);
2972 		if (!scripting_ops) {
2973 			fprintf(stderr, "invalid language specifier");
2974 			return -1;
2975 		}
2976 		script++;
2977 	} else {
2978 		script = str;
2979 		ext = strrchr(script, '.');
2980 		if (!ext) {
2981 			fprintf(stderr, "invalid script extension");
2982 			return -1;
2983 		}
2984 		scripting_ops = script_spec__lookup(++ext);
2985 		if (!scripting_ops) {
2986 			fprintf(stderr, "invalid script extension");
2987 			return -1;
2988 		}
2989 	}
2990 
2991 	script_name = find_script(script);
2992 	if (!script_name)
2993 		script_name = strdup(script);
2994 
2995 	return 0;
2996 }
2997 
2998 static int parse_output_fields(const struct option *opt __maybe_unused,
2999 			    const char *arg, int unset __maybe_unused)
3000 {
3001 	char *tok, *strtok_saveptr = NULL;
3002 	int i, imax = ARRAY_SIZE(all_output_options);
3003 	int j;
3004 	int rc = 0;
3005 	char *str = strdup(arg);
3006 	int type = -1;
3007 	enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
3008 
3009 	if (!str)
3010 		return -ENOMEM;
3011 
3012 	/* first word can state for which event type the user is specifying
3013 	 * the fields. If no type exists, the specified fields apply to all
3014 	 * event types found in the file minus the invalid fields for a type.
3015 	 */
3016 	tok = strchr(str, ':');
3017 	if (tok) {
3018 		*tok = '\0';
3019 		tok++;
3020 		if (!strcmp(str, "hw"))
3021 			type = PERF_TYPE_HARDWARE;
3022 		else if (!strcmp(str, "sw"))
3023 			type = PERF_TYPE_SOFTWARE;
3024 		else if (!strcmp(str, "trace"))
3025 			type = PERF_TYPE_TRACEPOINT;
3026 		else if (!strcmp(str, "raw"))
3027 			type = PERF_TYPE_RAW;
3028 		else if (!strcmp(str, "break"))
3029 			type = PERF_TYPE_BREAKPOINT;
3030 		else if (!strcmp(str, "synth"))
3031 			type = OUTPUT_TYPE_SYNTH;
3032 		else {
3033 			fprintf(stderr, "Invalid event type in field string.\n");
3034 			rc = -EINVAL;
3035 			goto out;
3036 		}
3037 
3038 		if (output[type].user_set)
3039 			pr_warning("Overriding previous field request for %s events.\n",
3040 				   event_type(type));
3041 
3042 		/* Don't override defaults for +- */
3043 		if (strchr(tok, '+') || strchr(tok, '-'))
3044 			goto parse;
3045 
3046 		output[type].fields = 0;
3047 		output[type].user_set = true;
3048 		output[type].wildcard_set = false;
3049 
3050 	} else {
3051 		tok = str;
3052 		if (strlen(str) == 0) {
3053 			fprintf(stderr,
3054 				"Cannot set fields to 'none' for all event types.\n");
3055 			rc = -EINVAL;
3056 			goto out;
3057 		}
3058 
3059 		/* Don't override defaults for +- */
3060 		if (strchr(str, '+') || strchr(str, '-'))
3061 			goto parse;
3062 
3063 		if (output_set_by_user())
3064 			pr_warning("Overriding previous field request for all events.\n");
3065 
3066 		for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
3067 			output[j].fields = 0;
3068 			output[j].user_set = true;
3069 			output[j].wildcard_set = true;
3070 		}
3071 	}
3072 
3073 parse:
3074 	for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
3075 		if (*tok == '+') {
3076 			if (change == SET)
3077 				goto out_badmix;
3078 			change = ADD;
3079 			tok++;
3080 		} else if (*tok == '-') {
3081 			if (change == SET)
3082 				goto out_badmix;
3083 			change = REMOVE;
3084 			tok++;
3085 		} else {
3086 			if (change != SET && change != DEFAULT)
3087 				goto out_badmix;
3088 			change = SET;
3089 		}
3090 
3091 		for (i = 0; i < imax; ++i) {
3092 			if (strcmp(tok, all_output_options[i].str) == 0)
3093 				break;
3094 		}
3095 		if (i == imax && strcmp(tok, "flags") == 0) {
3096 			print_flags = change != REMOVE;
3097 			continue;
3098 		}
3099 		if (i == imax) {
3100 			fprintf(stderr, "Invalid field requested.\n");
3101 			rc = -EINVAL;
3102 			goto out;
3103 		}
3104 
3105 		if (type == -1) {
3106 			/* add user option to all events types for
3107 			 * which it is valid
3108 			 */
3109 			for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
3110 				if (output[j].invalid_fields & all_output_options[i].field) {
3111 					pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
3112 						   all_output_options[i].str, event_type(j));
3113 				} else {
3114 					if (change == REMOVE) {
3115 						output[j].fields &= ~all_output_options[i].field;
3116 						output[j].user_set_fields &= ~all_output_options[i].field;
3117 						output[j].user_unset_fields |= all_output_options[i].field;
3118 					} else {
3119 						output[j].fields |= all_output_options[i].field;
3120 						output[j].user_set_fields |= all_output_options[i].field;
3121 						output[j].user_unset_fields &= ~all_output_options[i].field;
3122 					}
3123 					output[j].user_set = true;
3124 					output[j].wildcard_set = true;
3125 				}
3126 			}
3127 		} else {
3128 			if (output[type].invalid_fields & all_output_options[i].field) {
3129 				fprintf(stderr, "\'%s\' not valid for %s events.\n",
3130 					 all_output_options[i].str, event_type(type));
3131 
3132 				rc = -EINVAL;
3133 				goto out;
3134 			}
3135 			if (change == REMOVE)
3136 				output[type].fields &= ~all_output_options[i].field;
3137 			else
3138 				output[type].fields |= all_output_options[i].field;
3139 			output[type].user_set = true;
3140 			output[type].wildcard_set = true;
3141 		}
3142 	}
3143 
3144 	if (type >= 0) {
3145 		if (output[type].fields == 0) {
3146 			pr_debug("No fields requested for %s type. "
3147 				 "Events will not be displayed.\n", event_type(type));
3148 		}
3149 	}
3150 	goto out;
3151 
3152 out_badmix:
3153 	fprintf(stderr, "Cannot mix +-field with overridden fields\n");
3154 	rc = -EINVAL;
3155 out:
3156 	free(str);
3157 	return rc;
3158 }
3159 
3160 #define for_each_lang(scripts_path, scripts_dir, lang_dirent)		\
3161 	while ((lang_dirent = readdir(scripts_dir)) != NULL)		\
3162 		if ((lang_dirent->d_type == DT_DIR ||			\
3163 		     (lang_dirent->d_type == DT_UNKNOWN &&		\
3164 		      is_directory(scripts_path, lang_dirent))) &&	\
3165 		    (strcmp(lang_dirent->d_name, ".")) &&		\
3166 		    (strcmp(lang_dirent->d_name, "..")))
3167 
3168 #define for_each_script(lang_path, lang_dir, script_dirent)		\
3169 	while ((script_dirent = readdir(lang_dir)) != NULL)		\
3170 		if (script_dirent->d_type != DT_DIR &&			\
3171 		    (script_dirent->d_type != DT_UNKNOWN ||		\
3172 		     !is_directory(lang_path, script_dirent)))
3173 
3174 
3175 #define RECORD_SUFFIX			"-record"
3176 #define REPORT_SUFFIX			"-report"
3177 
3178 struct script_desc {
3179 	struct list_head	node;
3180 	char			*name;
3181 	char			*half_liner;
3182 	char			*args;
3183 };
3184 
3185 static LIST_HEAD(script_descs);
3186 
3187 static struct script_desc *script_desc__new(const char *name)
3188 {
3189 	struct script_desc *s = zalloc(sizeof(*s));
3190 
3191 	if (s != NULL && name)
3192 		s->name = strdup(name);
3193 
3194 	return s;
3195 }
3196 
3197 static void script_desc__delete(struct script_desc *s)
3198 {
3199 	zfree(&s->name);
3200 	zfree(&s->half_liner);
3201 	zfree(&s->args);
3202 	free(s);
3203 }
3204 
3205 static void script_desc__add(struct script_desc *s)
3206 {
3207 	list_add_tail(&s->node, &script_descs);
3208 }
3209 
3210 static struct script_desc *script_desc__find(const char *name)
3211 {
3212 	struct script_desc *s;
3213 
3214 	list_for_each_entry(s, &script_descs, node)
3215 		if (strcasecmp(s->name, name) == 0)
3216 			return s;
3217 	return NULL;
3218 }
3219 
3220 static struct script_desc *script_desc__findnew(const char *name)
3221 {
3222 	struct script_desc *s = script_desc__find(name);
3223 
3224 	if (s)
3225 		return s;
3226 
3227 	s = script_desc__new(name);
3228 	if (!s)
3229 		return NULL;
3230 
3231 	script_desc__add(s);
3232 
3233 	return s;
3234 }
3235 
3236 static const char *ends_with(const char *str, const char *suffix)
3237 {
3238 	size_t suffix_len = strlen(suffix);
3239 	const char *p = str;
3240 
3241 	if (strlen(str) > suffix_len) {
3242 		p = str + strlen(str) - suffix_len;
3243 		if (!strncmp(p, suffix, suffix_len))
3244 			return p;
3245 	}
3246 
3247 	return NULL;
3248 }
3249 
3250 static int read_script_info(struct script_desc *desc, const char *filename)
3251 {
3252 	char line[BUFSIZ], *p;
3253 	FILE *fp;
3254 
3255 	fp = fopen(filename, "r");
3256 	if (!fp)
3257 		return -1;
3258 
3259 	while (fgets(line, sizeof(line), fp)) {
3260 		p = skip_spaces(line);
3261 		if (strlen(p) == 0)
3262 			continue;
3263 		if (*p != '#')
3264 			continue;
3265 		p++;
3266 		if (strlen(p) && *p == '!')
3267 			continue;
3268 
3269 		p = skip_spaces(p);
3270 		if (strlen(p) && p[strlen(p) - 1] == '\n')
3271 			p[strlen(p) - 1] = '\0';
3272 
3273 		if (!strncmp(p, "description:", strlen("description:"))) {
3274 			p += strlen("description:");
3275 			desc->half_liner = strdup(skip_spaces(p));
3276 			continue;
3277 		}
3278 
3279 		if (!strncmp(p, "args:", strlen("args:"))) {
3280 			p += strlen("args:");
3281 			desc->args = strdup(skip_spaces(p));
3282 			continue;
3283 		}
3284 	}
3285 
3286 	fclose(fp);
3287 
3288 	return 0;
3289 }
3290 
3291 static char *get_script_root(struct dirent *script_dirent, const char *suffix)
3292 {
3293 	char *script_root, *str;
3294 
3295 	script_root = strdup(script_dirent->d_name);
3296 	if (!script_root)
3297 		return NULL;
3298 
3299 	str = (char *)ends_with(script_root, suffix);
3300 	if (!str) {
3301 		free(script_root);
3302 		return NULL;
3303 	}
3304 
3305 	*str = '\0';
3306 	return script_root;
3307 }
3308 
3309 static int list_available_scripts(const struct option *opt __maybe_unused,
3310 				  const char *s __maybe_unused,
3311 				  int unset __maybe_unused)
3312 {
3313 	struct dirent *script_dirent, *lang_dirent;
3314 	char scripts_path[MAXPATHLEN];
3315 	DIR *scripts_dir, *lang_dir;
3316 	char script_path[MAXPATHLEN];
3317 	char lang_path[MAXPATHLEN];
3318 	struct script_desc *desc;
3319 	char first_half[BUFSIZ];
3320 	char *script_root;
3321 
3322 	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3323 
3324 	scripts_dir = opendir(scripts_path);
3325 	if (!scripts_dir) {
3326 		fprintf(stdout,
3327 			"open(%s) failed.\n"
3328 			"Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
3329 			scripts_path);
3330 		exit(-1);
3331 	}
3332 
3333 	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3334 		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3335 			  lang_dirent->d_name);
3336 		lang_dir = opendir(lang_path);
3337 		if (!lang_dir)
3338 			continue;
3339 
3340 		for_each_script(lang_path, lang_dir, script_dirent) {
3341 			script_root = get_script_root(script_dirent, REPORT_SUFFIX);
3342 			if (script_root) {
3343 				desc = script_desc__findnew(script_root);
3344 				scnprintf(script_path, MAXPATHLEN, "%s/%s",
3345 					  lang_path, script_dirent->d_name);
3346 				read_script_info(desc, script_path);
3347 				free(script_root);
3348 			}
3349 		}
3350 	}
3351 
3352 	fprintf(stdout, "List of available trace scripts:\n");
3353 	list_for_each_entry(desc, &script_descs, node) {
3354 		sprintf(first_half, "%s %s", desc->name,
3355 			desc->args ? desc->args : "");
3356 		fprintf(stdout, "  %-36s %s\n", first_half,
3357 			desc->half_liner ? desc->half_liner : "");
3358 	}
3359 
3360 	exit(0);
3361 }
3362 
3363 static int add_dlarg(const struct option *opt __maybe_unused,
3364 		     const char *s, int unset __maybe_unused)
3365 {
3366 	char *arg = strdup(s);
3367 	void *a;
3368 
3369 	if (!arg)
3370 		return -1;
3371 
3372 	a = realloc(dlargv, sizeof(dlargv[0]) * (dlargc + 1));
3373 	if (!a) {
3374 		free(arg);
3375 		return -1;
3376 	}
3377 
3378 	dlargv = a;
3379 	dlargv[dlargc++] = arg;
3380 
3381 	return 0;
3382 }
3383 
3384 static void free_dlarg(void)
3385 {
3386 	while (dlargc--)
3387 		free(dlargv[dlargc]);
3388 	free(dlargv);
3389 }
3390 
3391 /*
3392  * Some scripts specify the required events in their "xxx-record" file,
3393  * this function will check if the events in perf.data match those
3394  * mentioned in the "xxx-record".
3395  *
3396  * Fixme: All existing "xxx-record" are all in good formats "-e event ",
3397  * which is covered well now. And new parsing code should be added to
3398  * cover the future complex formats like event groups etc.
3399  */
3400 static int check_ev_match(char *dir_name, char *scriptname,
3401 			struct perf_session *session)
3402 {
3403 	char filename[MAXPATHLEN], evname[128];
3404 	char line[BUFSIZ], *p;
3405 	struct evsel *pos;
3406 	int match, len;
3407 	FILE *fp;
3408 
3409 	scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
3410 
3411 	fp = fopen(filename, "r");
3412 	if (!fp)
3413 		return -1;
3414 
3415 	while (fgets(line, sizeof(line), fp)) {
3416 		p = skip_spaces(line);
3417 		if (*p == '#')
3418 			continue;
3419 
3420 		while (strlen(p)) {
3421 			p = strstr(p, "-e");
3422 			if (!p)
3423 				break;
3424 
3425 			p += 2;
3426 			p = skip_spaces(p);
3427 			len = strcspn(p, " \t");
3428 			if (!len)
3429 				break;
3430 
3431 			snprintf(evname, len + 1, "%s", p);
3432 
3433 			match = 0;
3434 			evlist__for_each_entry(session->evlist, pos) {
3435 				if (!strcmp(evsel__name(pos), evname)) {
3436 					match = 1;
3437 					break;
3438 				}
3439 			}
3440 
3441 			if (!match) {
3442 				fclose(fp);
3443 				return -1;
3444 			}
3445 		}
3446 	}
3447 
3448 	fclose(fp);
3449 	return 0;
3450 }
3451 
3452 /*
3453  * Return -1 if none is found, otherwise the actual scripts number.
3454  *
3455  * Currently the only user of this function is the script browser, which
3456  * will list all statically runnable scripts, select one, execute it and
3457  * show the output in a perf browser.
3458  */
3459 int find_scripts(char **scripts_array, char **scripts_path_array, int num,
3460 		 int pathlen)
3461 {
3462 	struct dirent *script_dirent, *lang_dirent;
3463 	char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
3464 	DIR *scripts_dir, *lang_dir;
3465 	struct perf_session *session;
3466 	struct perf_data data = {
3467 		.path = input_name,
3468 		.mode = PERF_DATA_MODE_READ,
3469 	};
3470 	char *temp;
3471 	int i = 0;
3472 
3473 	session = perf_session__new(&data, NULL);
3474 	if (IS_ERR(session))
3475 		return PTR_ERR(session);
3476 
3477 	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3478 
3479 	scripts_dir = opendir(scripts_path);
3480 	if (!scripts_dir) {
3481 		perf_session__delete(session);
3482 		return -1;
3483 	}
3484 
3485 	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3486 		scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
3487 			  lang_dirent->d_name);
3488 #ifndef HAVE_LIBPERL_SUPPORT
3489 		if (strstr(lang_path, "perl"))
3490 			continue;
3491 #endif
3492 #ifndef HAVE_LIBPYTHON_SUPPORT
3493 		if (strstr(lang_path, "python"))
3494 			continue;
3495 #endif
3496 
3497 		lang_dir = opendir(lang_path);
3498 		if (!lang_dir)
3499 			continue;
3500 
3501 		for_each_script(lang_path, lang_dir, script_dirent) {
3502 			/* Skip those real time scripts: xxxtop.p[yl] */
3503 			if (strstr(script_dirent->d_name, "top."))
3504 				continue;
3505 			if (i >= num)
3506 				break;
3507 			snprintf(scripts_path_array[i], pathlen, "%s/%s",
3508 				lang_path,
3509 				script_dirent->d_name);
3510 			temp = strchr(script_dirent->d_name, '.');
3511 			snprintf(scripts_array[i],
3512 				(temp - script_dirent->d_name) + 1,
3513 				"%s", script_dirent->d_name);
3514 
3515 			if (check_ev_match(lang_path,
3516 					scripts_array[i], session))
3517 				continue;
3518 
3519 			i++;
3520 		}
3521 		closedir(lang_dir);
3522 	}
3523 
3524 	closedir(scripts_dir);
3525 	perf_session__delete(session);
3526 	return i;
3527 }
3528 
3529 static char *get_script_path(const char *script_root, const char *suffix)
3530 {
3531 	struct dirent *script_dirent, *lang_dirent;
3532 	char scripts_path[MAXPATHLEN];
3533 	char script_path[MAXPATHLEN];
3534 	DIR *scripts_dir, *lang_dir;
3535 	char lang_path[MAXPATHLEN];
3536 	char *__script_root;
3537 
3538 	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3539 
3540 	scripts_dir = opendir(scripts_path);
3541 	if (!scripts_dir)
3542 		return NULL;
3543 
3544 	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3545 		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3546 			  lang_dirent->d_name);
3547 		lang_dir = opendir(lang_path);
3548 		if (!lang_dir)
3549 			continue;
3550 
3551 		for_each_script(lang_path, lang_dir, script_dirent) {
3552 			__script_root = get_script_root(script_dirent, suffix);
3553 			if (__script_root && !strcmp(script_root, __script_root)) {
3554 				free(__script_root);
3555 				closedir(scripts_dir);
3556 				scnprintf(script_path, MAXPATHLEN, "%s/%s",
3557 					  lang_path, script_dirent->d_name);
3558 				closedir(lang_dir);
3559 				return strdup(script_path);
3560 			}
3561 			free(__script_root);
3562 		}
3563 		closedir(lang_dir);
3564 	}
3565 	closedir(scripts_dir);
3566 
3567 	return NULL;
3568 }
3569 
3570 static bool is_top_script(const char *script_path)
3571 {
3572 	return ends_with(script_path, "top") != NULL;
3573 }
3574 
3575 static int has_required_arg(char *script_path)
3576 {
3577 	struct script_desc *desc;
3578 	int n_args = 0;
3579 	char *p;
3580 
3581 	desc = script_desc__new(NULL);
3582 
3583 	if (read_script_info(desc, script_path))
3584 		goto out;
3585 
3586 	if (!desc->args)
3587 		goto out;
3588 
3589 	for (p = desc->args; *p; p++)
3590 		if (*p == '<')
3591 			n_args++;
3592 out:
3593 	script_desc__delete(desc);
3594 
3595 	return n_args;
3596 }
3597 
3598 static int have_cmd(int argc, const char **argv)
3599 {
3600 	char **__argv = malloc(sizeof(const char *) * argc);
3601 
3602 	if (!__argv) {
3603 		pr_err("malloc failed\n");
3604 		return -1;
3605 	}
3606 
3607 	memcpy(__argv, argv, sizeof(const char *) * argc);
3608 	argc = parse_options(argc, (const char **)__argv, record_options,
3609 			     NULL, PARSE_OPT_STOP_AT_NON_OPTION);
3610 	free(__argv);
3611 
3612 	system_wide = (argc == 0);
3613 
3614 	return 0;
3615 }
3616 
3617 static void script__setup_sample_type(struct perf_script *script)
3618 {
3619 	struct perf_session *session = script->session;
3620 	u64 sample_type = evlist__combined_sample_type(session->evlist);
3621 
3622 	callchain_param_setup(sample_type, perf_env__arch(session->machines.host.env));
3623 
3624 	if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) {
3625 		pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
3626 			   "Please apply --call-graph lbr when recording.\n");
3627 		script->stitch_lbr = false;
3628 	}
3629 }
3630 
3631 static int process_stat_round_event(struct perf_session *session,
3632 				    union perf_event *event)
3633 {
3634 	struct perf_record_stat_round *round = &event->stat_round;
3635 	struct evsel *counter;
3636 
3637 	evlist__for_each_entry(session->evlist, counter) {
3638 		perf_stat_process_counter(&stat_config, counter);
3639 		process_stat(counter, round->time);
3640 	}
3641 
3642 	process_stat_interval(round->time);
3643 	return 0;
3644 }
3645 
3646 static int process_stat_config_event(struct perf_session *session __maybe_unused,
3647 				     union perf_event *event)
3648 {
3649 	perf_event__read_stat_config(&stat_config, &event->stat_config);
3650 
3651 	/*
3652 	 * Aggregation modes are not used since post-processing scripts are
3653 	 * supposed to take care of such requirements
3654 	 */
3655 	stat_config.aggr_mode = AGGR_NONE;
3656 
3657 	return 0;
3658 }
3659 
3660 static int set_maps(struct perf_script *script)
3661 {
3662 	struct evlist *evlist = script->session->evlist;
3663 
3664 	if (!script->cpus || !script->threads)
3665 		return 0;
3666 
3667 	if (WARN_ONCE(script->allocated, "stats double allocation\n"))
3668 		return -EINVAL;
3669 
3670 	perf_evlist__set_maps(&evlist->core, script->cpus, script->threads);
3671 
3672 	if (evlist__alloc_stats(&stat_config, evlist, /*alloc_raw=*/true))
3673 		return -ENOMEM;
3674 
3675 	script->allocated = true;
3676 	return 0;
3677 }
3678 
3679 static
3680 int process_thread_map_event(struct perf_session *session,
3681 			     union perf_event *event)
3682 {
3683 	struct perf_tool *tool = session->tool;
3684 	struct perf_script *script = container_of(tool, struct perf_script, tool);
3685 
3686 	if (dump_trace)
3687 		perf_event__fprintf_thread_map(event, stdout);
3688 
3689 	if (script->threads) {
3690 		pr_warning("Extra thread map event, ignoring.\n");
3691 		return 0;
3692 	}
3693 
3694 	script->threads = thread_map__new_event(&event->thread_map);
3695 	if (!script->threads)
3696 		return -ENOMEM;
3697 
3698 	return set_maps(script);
3699 }
3700 
3701 static
3702 int process_cpu_map_event(struct perf_session *session,
3703 			  union perf_event *event)
3704 {
3705 	struct perf_tool *tool = session->tool;
3706 	struct perf_script *script = container_of(tool, struct perf_script, tool);
3707 
3708 	if (dump_trace)
3709 		perf_event__fprintf_cpu_map(event, stdout);
3710 
3711 	if (script->cpus) {
3712 		pr_warning("Extra cpu map event, ignoring.\n");
3713 		return 0;
3714 	}
3715 
3716 	script->cpus = cpu_map__new_data(&event->cpu_map.data);
3717 	if (!script->cpus)
3718 		return -ENOMEM;
3719 
3720 	return set_maps(script);
3721 }
3722 
3723 static int process_feature_event(struct perf_session *session,
3724 				 union perf_event *event)
3725 {
3726 	if (event->feat.feat_id < HEADER_LAST_FEATURE)
3727 		return perf_event__process_feature(session, event);
3728 	return 0;
3729 }
3730 
3731 #ifdef HAVE_AUXTRACE_SUPPORT
3732 static int perf_script__process_auxtrace_info(struct perf_session *session,
3733 					      union perf_event *event)
3734 {
3735 	struct perf_tool *tool = session->tool;
3736 
3737 	int ret = perf_event__process_auxtrace_info(session, event);
3738 
3739 	if (ret == 0) {
3740 		struct perf_script *script = container_of(tool, struct perf_script, tool);
3741 
3742 		ret = perf_script__setup_per_event_dump(script);
3743 	}
3744 
3745 	return ret;
3746 }
3747 #else
3748 #define perf_script__process_auxtrace_info 0
3749 #endif
3750 
3751 static int parse_insn_trace(const struct option *opt __maybe_unused,
3752 			    const char *str __maybe_unused,
3753 			    int unset __maybe_unused)
3754 {
3755 	parse_output_fields(NULL, "+insn,-event,-period", 0);
3756 	itrace_parse_synth_opts(opt, "i0ns", 0);
3757 	symbol_conf.nanosecs = true;
3758 	return 0;
3759 }
3760 
3761 static int parse_xed(const struct option *opt __maybe_unused,
3762 		     const char *str __maybe_unused,
3763 		     int unset __maybe_unused)
3764 {
3765 	if (isatty(1))
3766 		force_pager("xed -F insn: -A -64 | less");
3767 	else
3768 		force_pager("xed -F insn: -A -64");
3769 	return 0;
3770 }
3771 
3772 static int parse_call_trace(const struct option *opt __maybe_unused,
3773 			    const char *str __maybe_unused,
3774 			    int unset __maybe_unused)
3775 {
3776 	parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
3777 	itrace_parse_synth_opts(opt, "cewp", 0);
3778 	symbol_conf.nanosecs = true;
3779 	symbol_conf.pad_output_len_dso = 50;
3780 	return 0;
3781 }
3782 
3783 static int parse_callret_trace(const struct option *opt __maybe_unused,
3784 			    const char *str __maybe_unused,
3785 			    int unset __maybe_unused)
3786 {
3787 	parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
3788 	itrace_parse_synth_opts(opt, "crewp", 0);
3789 	symbol_conf.nanosecs = true;
3790 	return 0;
3791 }
3792 
3793 int cmd_script(int argc, const char **argv)
3794 {
3795 	bool show_full_info = false;
3796 	bool header = false;
3797 	bool header_only = false;
3798 	bool script_started = false;
3799 	bool unsorted_dump = false;
3800 	char *rec_script_path = NULL;
3801 	char *rep_script_path = NULL;
3802 	struct perf_session *session;
3803 	struct itrace_synth_opts itrace_synth_opts = {
3804 		.set = false,
3805 		.default_no_sample = true,
3806 	};
3807 	struct utsname uts;
3808 	char *script_path = NULL;
3809 	const char *dlfilter_file = NULL;
3810 	const char **__argv;
3811 	int i, j, err = 0;
3812 	struct perf_script script = {
3813 		.tool = {
3814 			.sample		 = process_sample_event,
3815 			.mmap		 = perf_event__process_mmap,
3816 			.mmap2		 = perf_event__process_mmap2,
3817 			.comm		 = perf_event__process_comm,
3818 			.namespaces	 = perf_event__process_namespaces,
3819 			.cgroup		 = perf_event__process_cgroup,
3820 			.exit		 = perf_event__process_exit,
3821 			.fork		 = perf_event__process_fork,
3822 			.attr		 = process_attr,
3823 			.event_update   = perf_event__process_event_update,
3824 #ifdef HAVE_LIBTRACEEVENT
3825 			.tracing_data	 = perf_event__process_tracing_data,
3826 #endif
3827 			.feature	 = process_feature_event,
3828 			.build_id	 = perf_event__process_build_id,
3829 			.id_index	 = perf_event__process_id_index,
3830 			.auxtrace_info	 = perf_script__process_auxtrace_info,
3831 			.auxtrace	 = perf_event__process_auxtrace,
3832 			.auxtrace_error	 = perf_event__process_auxtrace_error,
3833 			.stat		 = perf_event__process_stat_event,
3834 			.stat_round	 = process_stat_round_event,
3835 			.stat_config	 = process_stat_config_event,
3836 			.thread_map	 = process_thread_map_event,
3837 			.cpu_map	 = process_cpu_map_event,
3838 			.throttle	 = process_throttle_event,
3839 			.unthrottle	 = process_throttle_event,
3840 			.ordered_events	 = true,
3841 			.ordering_requires_timestamps = true,
3842 		},
3843 	};
3844 	struct perf_data data = {
3845 		.mode = PERF_DATA_MODE_READ,
3846 	};
3847 	const struct option options[] = {
3848 	OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3849 		    "dump raw trace in ASCII"),
3850 	OPT_BOOLEAN(0, "dump-unsorted-raw-trace", &unsorted_dump,
3851 		    "dump unsorted raw trace in ASCII"),
3852 	OPT_INCR('v', "verbose", &verbose,
3853 		 "be more verbose (show symbol address, etc)"),
3854 	OPT_BOOLEAN('L', "Latency", &latency_format,
3855 		    "show latency attributes (irqs/preemption disabled, etc)"),
3856 	OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3857 			   list_available_scripts),
3858 	OPT_CALLBACK_NOOPT(0, "list-dlfilters", NULL, NULL, "list available dlfilters",
3859 			   list_available_dlfilters),
3860 	OPT_CALLBACK('s', "script", NULL, "name",
3861 		     "script file name (lang:script name, script name, or *)",
3862 		     parse_scriptname),
3863 	OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3864 		   "generate perf-script.xx script in specified language"),
3865 	OPT_STRING(0, "dlfilter", &dlfilter_file, "file", "filter .so file name"),
3866 	OPT_CALLBACK(0, "dlarg", NULL, "argument", "filter argument",
3867 		     add_dlarg),
3868 	OPT_STRING('i', "input", &input_name, "file", "input file name"),
3869 	OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3870 		   "do various checks like samples ordering and lost events"),
3871 	OPT_BOOLEAN(0, "header", &header, "Show data header."),
3872 	OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3873 	OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3874 		   "file", "vmlinux pathname"),
3875 	OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3876 		   "file", "kallsyms pathname"),
3877 	OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3878 		    "When printing symbols do not display call chain"),
3879 	OPT_CALLBACK(0, "symfs", NULL, "directory",
3880 		     "Look for files with symbols relative to this directory",
3881 		     symbol__config_symfs),
3882 	OPT_CALLBACK('F', "fields", NULL, "str",
3883 		     "comma separated output fields prepend with 'type:'. "
3884 		     "+field to add and -field to remove."
3885 		     "Valid types: hw,sw,trace,raw,synth. "
3886 		     "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
3887 		     "addr,symoff,srcline,period,iregs,uregs,brstack,"
3888 		     "brstacksym,flags,data_src,weight,bpf-output,brstackinsn,"
3889 		     "brstackinsnlen,brstackoff,callindent,insn,insnlen,synth,"
3890 		     "phys_addr,metric,misc,srccode,ipc,tod,data_page_size,"
3891 		     "code_page_size,ins_lat,machine_pid,vcpu,cgroup,retire_lat",
3892 		     parse_output_fields),
3893 	OPT_BOOLEAN('a', "all-cpus", &system_wide,
3894 		    "system-wide collection from all CPUs"),
3895 	OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
3896 		   "only consider symbols in these DSOs"),
3897 	OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3898 		   "only consider these symbols"),
3899 	OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range,
3900 		    "Use with -S to list traced records within address range"),
3901 	OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL,
3902 			"Decode instructions from itrace", parse_insn_trace),
3903 	OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
3904 			"Run xed disassembler on output", parse_xed),
3905 	OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
3906 			"Decode calls from itrace", parse_call_trace),
3907 	OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
3908 			"Decode calls and returns from itrace", parse_callret_trace),
3909 	OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",
3910 			"Only print symbols and callees with --call-trace/--call-ret-trace"),
3911 	OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3912 		   "Stop display of callgraph at these symbols"),
3913 	OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3914 	OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3915 		   "only display events for these comms"),
3916 	OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3917 		   "only consider symbols in these pids"),
3918 	OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3919 		   "only consider symbols in these tids"),
3920 	OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3921 		     "Set the maximum stack depth when parsing the callchain, "
3922 		     "anything beyond the specified depth will be ignored. "
3923 		     "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3924 	OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"),
3925 	OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"),
3926 	OPT_BOOLEAN('I', "show-info", &show_full_info,
3927 		    "display extended information from perf.data file"),
3928 	OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3929 		    "Show the path of [kernel.kallsyms]"),
3930 	OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3931 		    "Show the fork/comm/exit events"),
3932 	OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3933 		    "Show the mmap events"),
3934 	OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3935 		    "Show context switch events (if recorded)"),
3936 	OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3937 		    "Show namespace events (if recorded)"),
3938 	OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events,
3939 		    "Show cgroup events (if recorded)"),
3940 	OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3941 		    "Show lost events (if recorded)"),
3942 	OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3943 		    "Show round events (if recorded)"),
3944 	OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events,
3945 		    "Show bpf related events (if recorded)"),
3946 	OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events,
3947 		    "Show text poke related events (if recorded)"),
3948 	OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
3949 		    "Dump trace output to files named by the monitored events"),
3950 	OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3951 	OPT_INTEGER(0, "max-blocks", &max_blocks,
3952 		    "Maximum number of code blocks to dump with brstackinsn"),
3953 	OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs,
3954 		    "Use 9 decimal places when displaying time"),
3955 	OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
3956 			    "Instruction Tracing options\n" ITRACE_HELP,
3957 			    itrace_parse_synth_opts),
3958 	OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
3959 			"Show full source file name path for source lines"),
3960 	OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
3961 			"Enable symbol demangling"),
3962 	OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
3963 			"Enable kernel symbol demangling"),
3964 	OPT_STRING(0, "time", &script.time_str, "str",
3965 		   "Time span of interest (start,stop)"),
3966 	OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
3967 		    "Show inline function"),
3968 	OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
3969 		   "guest mount directory under which every guest os"
3970 		   " instance has a subdir"),
3971 	OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name,
3972 		   "file", "file saving guest os vmlinux"),
3973 	OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms,
3974 		   "file", "file saving guest os /proc/kallsyms"),
3975 	OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
3976 		   "file", "file saving guest os /proc/modules"),
3977 	OPT_BOOLEAN(0, "guest-code", &symbol_conf.guest_code,
3978 		    "Guest code can be found in hypervisor process"),
3979 	OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr,
3980 		    "Enable LBR callgraph stitching approach"),
3981 	OPTS_EVSWITCH(&script.evswitch),
3982 	OPT_END()
3983 	};
3984 	const char * const script_subcommands[] = { "record", "report", NULL };
3985 	const char *script_usage[] = {
3986 		"perf script [<options>]",
3987 		"perf script [<options>] record <script> [<record-options>] <command>",
3988 		"perf script [<options>] report <script> [script-args]",
3989 		"perf script [<options>] <script> [<record-options>] <command>",
3990 		"perf script [<options>] <top-script> [script-args]",
3991 		NULL
3992 	};
3993 
3994 	perf_set_singlethreaded();
3995 
3996 	setup_scripting();
3997 
3998 	argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3999 			     PARSE_OPT_STOP_AT_NON_OPTION);
4000 
4001 	if (symbol_conf.guestmount ||
4002 	    symbol_conf.default_guest_vmlinux_name ||
4003 	    symbol_conf.default_guest_kallsyms ||
4004 	    symbol_conf.default_guest_modules ||
4005 	    symbol_conf.guest_code) {
4006 		/*
4007 		 * Enable guest sample processing.
4008 		 */
4009 		perf_guest = true;
4010 	}
4011 
4012 	data.path  = input_name;
4013 	data.force = symbol_conf.force;
4014 
4015 	if (unsorted_dump) {
4016 		dump_trace = true;
4017 		script.tool.ordered_events = false;
4018 	}
4019 
4020 	if (symbol__validate_sym_arguments())
4021 		return -1;
4022 
4023 	if (argc > 1 && strlen(argv[0]) > 2 && strstarts("record", argv[0])) {
4024 		rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
4025 		if (!rec_script_path)
4026 			return cmd_record(argc, argv);
4027 	}
4028 
4029 	if (argc > 1 && strlen(argv[0]) > 2 && strstarts("report", argv[0])) {
4030 		rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
4031 		if (!rep_script_path) {
4032 			fprintf(stderr,
4033 				"Please specify a valid report script"
4034 				"(see 'perf script -l' for listing)\n");
4035 			return -1;
4036 		}
4037 	}
4038 
4039 	if (reltime && deltatime) {
4040 		fprintf(stderr,
4041 			"reltime and deltatime - the two don't get along well. "
4042 			"Please limit to --reltime or --deltatime.\n");
4043 		return -1;
4044 	}
4045 
4046 	if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) &&
4047 	    itrace_synth_opts.callchain_sz > scripting_max_stack)
4048 		scripting_max_stack = itrace_synth_opts.callchain_sz;
4049 
4050 	/* make sure PERF_EXEC_PATH is set for scripts */
4051 	set_argv_exec_path(get_argv_exec_path());
4052 
4053 	if (argc && !script_name && !rec_script_path && !rep_script_path) {
4054 		int live_pipe[2];
4055 		int rep_args;
4056 		pid_t pid;
4057 
4058 		rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
4059 		rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
4060 
4061 		if (!rec_script_path && !rep_script_path) {
4062 			script_name = find_script(argv[0]);
4063 			if (script_name) {
4064 				argc -= 1;
4065 				argv += 1;
4066 				goto script_found;
4067 			}
4068 			usage_with_options_msg(script_usage, options,
4069 				"Couldn't find script `%s'\n\n See perf"
4070 				" script -l for available scripts.\n", argv[0]);
4071 		}
4072 
4073 		if (is_top_script(argv[0])) {
4074 			rep_args = argc - 1;
4075 		} else {
4076 			int rec_args;
4077 
4078 			rep_args = has_required_arg(rep_script_path);
4079 			rec_args = (argc - 1) - rep_args;
4080 			if (rec_args < 0) {
4081 				usage_with_options_msg(script_usage, options,
4082 					"`%s' script requires options."
4083 					"\n\n See perf script -l for available "
4084 					"scripts and options.\n", argv[0]);
4085 			}
4086 		}
4087 
4088 		if (pipe(live_pipe) < 0) {
4089 			perror("failed to create pipe");
4090 			return -1;
4091 		}
4092 
4093 		pid = fork();
4094 		if (pid < 0) {
4095 			perror("failed to fork");
4096 			return -1;
4097 		}
4098 
4099 		if (!pid) {
4100 			j = 0;
4101 
4102 			dup2(live_pipe[1], 1);
4103 			close(live_pipe[0]);
4104 
4105 			if (is_top_script(argv[0])) {
4106 				system_wide = true;
4107 			} else if (!system_wide) {
4108 				if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
4109 					err = -1;
4110 					goto out;
4111 				}
4112 			}
4113 
4114 			__argv = malloc((argc + 6) * sizeof(const char *));
4115 			if (!__argv) {
4116 				pr_err("malloc failed\n");
4117 				err = -ENOMEM;
4118 				goto out;
4119 			}
4120 
4121 			__argv[j++] = "/bin/sh";
4122 			__argv[j++] = rec_script_path;
4123 			if (system_wide)
4124 				__argv[j++] = "-a";
4125 			__argv[j++] = "-q";
4126 			__argv[j++] = "-o";
4127 			__argv[j++] = "-";
4128 			for (i = rep_args + 1; i < argc; i++)
4129 				__argv[j++] = argv[i];
4130 			__argv[j++] = NULL;
4131 
4132 			execvp("/bin/sh", (char **)__argv);
4133 			free(__argv);
4134 			exit(-1);
4135 		}
4136 
4137 		dup2(live_pipe[0], 0);
4138 		close(live_pipe[1]);
4139 
4140 		__argv = malloc((argc + 4) * sizeof(const char *));
4141 		if (!__argv) {
4142 			pr_err("malloc failed\n");
4143 			err = -ENOMEM;
4144 			goto out;
4145 		}
4146 
4147 		j = 0;
4148 		__argv[j++] = "/bin/sh";
4149 		__argv[j++] = rep_script_path;
4150 		for (i = 1; i < rep_args + 1; i++)
4151 			__argv[j++] = argv[i];
4152 		__argv[j++] = "-i";
4153 		__argv[j++] = "-";
4154 		__argv[j++] = NULL;
4155 
4156 		execvp("/bin/sh", (char **)__argv);
4157 		free(__argv);
4158 		exit(-1);
4159 	}
4160 script_found:
4161 	if (rec_script_path)
4162 		script_path = rec_script_path;
4163 	if (rep_script_path)
4164 		script_path = rep_script_path;
4165 
4166 	if (script_path) {
4167 		j = 0;
4168 
4169 		if (!rec_script_path)
4170 			system_wide = false;
4171 		else if (!system_wide) {
4172 			if (have_cmd(argc - 1, &argv[1]) != 0) {
4173 				err = -1;
4174 				goto out;
4175 			}
4176 		}
4177 
4178 		__argv = malloc((argc + 2) * sizeof(const char *));
4179 		if (!__argv) {
4180 			pr_err("malloc failed\n");
4181 			err = -ENOMEM;
4182 			goto out;
4183 		}
4184 
4185 		__argv[j++] = "/bin/sh";
4186 		__argv[j++] = script_path;
4187 		if (system_wide)
4188 			__argv[j++] = "-a";
4189 		for (i = 2; i < argc; i++)
4190 			__argv[j++] = argv[i];
4191 		__argv[j++] = NULL;
4192 
4193 		execvp("/bin/sh", (char **)__argv);
4194 		free(__argv);
4195 		exit(-1);
4196 	}
4197 
4198 	if (dlfilter_file) {
4199 		dlfilter = dlfilter__new(dlfilter_file, dlargc, dlargv);
4200 		if (!dlfilter)
4201 			return -1;
4202 	}
4203 
4204 	if (!script_name) {
4205 		setup_pager();
4206 		use_browser = 0;
4207 	}
4208 
4209 	session = perf_session__new(&data, &script.tool);
4210 	if (IS_ERR(session))
4211 		return PTR_ERR(session);
4212 
4213 	if (header || header_only) {
4214 		script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
4215 		perf_session__fprintf_info(session, stdout, show_full_info);
4216 		if (header_only)
4217 			goto out_delete;
4218 	}
4219 	if (show_full_info)
4220 		script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
4221 
4222 	if (symbol__init(&session->header.env) < 0)
4223 		goto out_delete;
4224 
4225 	uname(&uts);
4226 	if (data.is_pipe) { /* Assume pipe_mode indicates native_arch */
4227 		native_arch = true;
4228 	} else if (session->header.env.arch) {
4229 		if (!strcmp(uts.machine, session->header.env.arch))
4230 			native_arch = true;
4231 		else if (!strcmp(uts.machine, "x86_64") &&
4232 			 !strcmp(session->header.env.arch, "i386"))
4233 			native_arch = true;
4234 	}
4235 
4236 	script.session = session;
4237 	script__setup_sample_type(&script);
4238 
4239 	if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) ||
4240 	    symbol_conf.graph_function)
4241 		itrace_synth_opts.thread_stack = true;
4242 
4243 	session->itrace_synth_opts = &itrace_synth_opts;
4244 
4245 	if (cpu_list) {
4246 		err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
4247 		if (err < 0)
4248 			goto out_delete;
4249 		itrace_synth_opts.cpu_bitmap = cpu_bitmap;
4250 	}
4251 
4252 	if (!no_callchain)
4253 		symbol_conf.use_callchain = true;
4254 	else
4255 		symbol_conf.use_callchain = false;
4256 
4257 #ifdef HAVE_LIBTRACEEVENT
4258 	if (session->tevent.pevent &&
4259 	    tep_set_function_resolver(session->tevent.pevent,
4260 				      machine__resolve_kernel_addr,
4261 				      &session->machines.host) < 0) {
4262 		pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
4263 		err = -1;
4264 		goto out_delete;
4265 	}
4266 #endif
4267 	if (generate_script_lang) {
4268 		struct stat perf_stat;
4269 		int input;
4270 
4271 		if (output_set_by_user()) {
4272 			fprintf(stderr,
4273 				"custom fields not supported for generated scripts");
4274 			err = -EINVAL;
4275 			goto out_delete;
4276 		}
4277 
4278 		input = open(data.path, O_RDONLY);	/* input_name */
4279 		if (input < 0) {
4280 			err = -errno;
4281 			perror("failed to open file");
4282 			goto out_delete;
4283 		}
4284 
4285 		err = fstat(input, &perf_stat);
4286 		if (err < 0) {
4287 			perror("failed to stat file");
4288 			goto out_delete;
4289 		}
4290 
4291 		if (!perf_stat.st_size) {
4292 			fprintf(stderr, "zero-sized file, nothing to do!\n");
4293 			goto out_delete;
4294 		}
4295 
4296 		scripting_ops = script_spec__lookup(generate_script_lang);
4297 		if (!scripting_ops) {
4298 			fprintf(stderr, "invalid language specifier");
4299 			err = -ENOENT;
4300 			goto out_delete;
4301 		}
4302 #ifdef HAVE_LIBTRACEEVENT
4303 		err = scripting_ops->generate_script(session->tevent.pevent,
4304 						     "perf-script");
4305 #else
4306 		err = scripting_ops->generate_script(NULL, "perf-script");
4307 #endif
4308 		goto out_delete;
4309 	}
4310 
4311 	err = dlfilter__start(dlfilter, session);
4312 	if (err)
4313 		goto out_delete;
4314 
4315 	if (script_name) {
4316 		err = scripting_ops->start_script(script_name, argc, argv, session);
4317 		if (err)
4318 			goto out_delete;
4319 		pr_debug("perf script started with script %s\n\n", script_name);
4320 		script_started = true;
4321 	}
4322 
4323 
4324 	err = perf_session__check_output_opt(session);
4325 	if (err < 0)
4326 		goto out_delete;
4327 
4328 	if (script.time_str) {
4329 		err = perf_time__parse_for_ranges_reltime(script.time_str, session,
4330 						  &script.ptime_range,
4331 						  &script.range_size,
4332 						  &script.range_num,
4333 						  reltime);
4334 		if (err < 0)
4335 			goto out_delete;
4336 
4337 		itrace_synth_opts__set_time_range(&itrace_synth_opts,
4338 						  script.ptime_range,
4339 						  script.range_num);
4340 	}
4341 
4342 	err = evswitch__init(&script.evswitch, session->evlist, stderr);
4343 	if (err)
4344 		goto out_delete;
4345 
4346 	if (zstd_init(&(session->zstd_data), 0) < 0)
4347 		pr_warning("Decompression initialization failed. Reported data may be incomplete.\n");
4348 
4349 	err = __cmd_script(&script);
4350 
4351 	flush_scripting();
4352 
4353 out_delete:
4354 	if (script.ptime_range) {
4355 		itrace_synth_opts__clear_time_range(&itrace_synth_opts);
4356 		zfree(&script.ptime_range);
4357 	}
4358 
4359 	zstd_fini(&(session->zstd_data));
4360 	evlist__free_stats(session->evlist);
4361 	perf_session__delete(session);
4362 	perf_script__exit(&script);
4363 
4364 	if (script_started)
4365 		cleanup_scripting();
4366 	dlfilter__cleanup(dlfilter);
4367 	free_dlarg();
4368 out:
4369 	return err;
4370 }
4371