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Merge tag 'for-5.16/block-2021-10-29' of git://git.kernel.dk/linux-block
[mirror_ubuntu-kernels.git] / tools / perf / builtin-script.c
1 // SPDX-License-Identifier: GPL-2.0
2 #include "builtin.h"
3
4 #include "util/counts.h"
5 #include "util/debug.h"
6 #include "util/dso.h"
7 #include <subcmd/exec-cmd.h>
8 #include "util/header.h"
9 #include <subcmd/parse-options.h>
10 #include "util/perf_regs.h"
11 #include "util/session.h"
12 #include "util/tool.h"
13 #include "util/map.h"
14 #include "util/srcline.h"
15 #include "util/symbol.h"
16 #include "util/thread.h"
17 #include "util/trace-event.h"
18 #include "util/evlist.h"
19 #include "util/evsel.h"
20 #include "util/evsel_fprintf.h"
21 #include "util/evswitch.h"
22 #include "util/sort.h"
23 #include "util/data.h"
24 #include "util/auxtrace.h"
25 #include "util/cpumap.h"
26 #include "util/thread_map.h"
27 #include "util/stat.h"
28 #include "util/color.h"
29 #include "util/string2.h"
30 #include "util/thread-stack.h"
31 #include "util/time-utils.h"
32 #include "util/path.h"
33 #include "util/event.h"
34 #include "ui/ui.h"
35 #include "print_binary.h"
36 #include "archinsn.h"
37 #include <linux/bitmap.h>
38 #include <linux/kernel.h>
39 #include <linux/stringify.h>
40 #include <linux/time64.h>
41 #include <linux/zalloc.h>
42 #include <sys/utsname.h>
43 #include "asm/bug.h"
44 #include "util/mem-events.h"
45 #include "util/dump-insn.h"
46 #include <dirent.h>
47 #include <errno.h>
48 #include <inttypes.h>
49 #include <signal.h>
50 #include <sys/param.h>
51 #include <sys/types.h>
52 #include <sys/stat.h>
53 #include <fcntl.h>
54 #include <unistd.h>
55 #include <subcmd/pager.h>
56 #include <perf/evlist.h>
57 #include <linux/err.h>
58 #include "util/dlfilter.h"
59 #include "util/record.h"
60 #include "util/util.h"
61 #include "perf.h"
62
63 #include <linux/ctype.h>
64
65 static char const *script_name;
66 static char const *generate_script_lang;
67 static bool reltime;
68 static bool deltatime;
69 static u64 initial_time;
70 static u64 previous_time;
71 static bool debug_mode;
72 static u64 last_timestamp;
73 static u64 nr_unordered;
74 static bool no_callchain;
75 static bool latency_format;
76 static bool system_wide;
77 static bool print_flags;
78 static const char *cpu_list;
79 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
80 static struct perf_stat_config stat_config;
81 static int max_blocks;
82 static bool native_arch;
83 static struct dlfilter *dlfilter;
84 static int dlargc;
85 static char **dlargv;
86
87 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
88
89 enum perf_output_field {
90 PERF_OUTPUT_COMM = 1ULL << 0,
91 PERF_OUTPUT_TID = 1ULL << 1,
92 PERF_OUTPUT_PID = 1ULL << 2,
93 PERF_OUTPUT_TIME = 1ULL << 3,
94 PERF_OUTPUT_CPU = 1ULL << 4,
95 PERF_OUTPUT_EVNAME = 1ULL << 5,
96 PERF_OUTPUT_TRACE = 1ULL << 6,
97 PERF_OUTPUT_IP = 1ULL << 7,
98 PERF_OUTPUT_SYM = 1ULL << 8,
99 PERF_OUTPUT_DSO = 1ULL << 9,
100 PERF_OUTPUT_ADDR = 1ULL << 10,
101 PERF_OUTPUT_SYMOFFSET = 1ULL << 11,
102 PERF_OUTPUT_SRCLINE = 1ULL << 12,
103 PERF_OUTPUT_PERIOD = 1ULL << 13,
104 PERF_OUTPUT_IREGS = 1ULL << 14,
105 PERF_OUTPUT_BRSTACK = 1ULL << 15,
106 PERF_OUTPUT_BRSTACKSYM = 1ULL << 16,
107 PERF_OUTPUT_DATA_SRC = 1ULL << 17,
108 PERF_OUTPUT_WEIGHT = 1ULL << 18,
109 PERF_OUTPUT_BPF_OUTPUT = 1ULL << 19,
110 PERF_OUTPUT_CALLINDENT = 1ULL << 20,
111 PERF_OUTPUT_INSN = 1ULL << 21,
112 PERF_OUTPUT_INSNLEN = 1ULL << 22,
113 PERF_OUTPUT_BRSTACKINSN = 1ULL << 23,
114 PERF_OUTPUT_BRSTACKOFF = 1ULL << 24,
115 PERF_OUTPUT_SYNTH = 1ULL << 25,
116 PERF_OUTPUT_PHYS_ADDR = 1ULL << 26,
117 PERF_OUTPUT_UREGS = 1ULL << 27,
118 PERF_OUTPUT_METRIC = 1ULL << 28,
119 PERF_OUTPUT_MISC = 1ULL << 29,
120 PERF_OUTPUT_SRCCODE = 1ULL << 30,
121 PERF_OUTPUT_IPC = 1ULL << 31,
122 PERF_OUTPUT_TOD = 1ULL << 32,
123 PERF_OUTPUT_DATA_PAGE_SIZE = 1ULL << 33,
124 PERF_OUTPUT_CODE_PAGE_SIZE = 1ULL << 34,
125 };
126
127 struct perf_script {
128 struct perf_tool tool;
129 struct perf_session *session;
130 bool show_task_events;
131 bool show_mmap_events;
132 bool show_switch_events;
133 bool show_namespace_events;
134 bool show_lost_events;
135 bool show_round_events;
136 bool show_bpf_events;
137 bool show_cgroup_events;
138 bool show_text_poke_events;
139 bool allocated;
140 bool per_event_dump;
141 bool stitch_lbr;
142 struct evswitch evswitch;
143 struct perf_cpu_map *cpus;
144 struct perf_thread_map *threads;
145 int name_width;
146 const char *time_str;
147 struct perf_time_interval *ptime_range;
148 int range_size;
149 int range_num;
150 };
151
152 struct output_option {
153 const char *str;
154 enum perf_output_field field;
155 } all_output_options[] = {
156 {.str = "comm", .field = PERF_OUTPUT_COMM},
157 {.str = "tid", .field = PERF_OUTPUT_TID},
158 {.str = "pid", .field = PERF_OUTPUT_PID},
159 {.str = "time", .field = PERF_OUTPUT_TIME},
160 {.str = "cpu", .field = PERF_OUTPUT_CPU},
161 {.str = "event", .field = PERF_OUTPUT_EVNAME},
162 {.str = "trace", .field = PERF_OUTPUT_TRACE},
163 {.str = "ip", .field = PERF_OUTPUT_IP},
164 {.str = "sym", .field = PERF_OUTPUT_SYM},
165 {.str = "dso", .field = PERF_OUTPUT_DSO},
166 {.str = "addr", .field = PERF_OUTPUT_ADDR},
167 {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
168 {.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
169 {.str = "period", .field = PERF_OUTPUT_PERIOD},
170 {.str = "iregs", .field = PERF_OUTPUT_IREGS},
171 {.str = "uregs", .field = PERF_OUTPUT_UREGS},
172 {.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
173 {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
174 {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
175 {.str = "weight", .field = PERF_OUTPUT_WEIGHT},
176 {.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT},
177 {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
178 {.str = "insn", .field = PERF_OUTPUT_INSN},
179 {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
180 {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
181 {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
182 {.str = "synth", .field = PERF_OUTPUT_SYNTH},
183 {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
184 {.str = "metric", .field = PERF_OUTPUT_METRIC},
185 {.str = "misc", .field = PERF_OUTPUT_MISC},
186 {.str = "srccode", .field = PERF_OUTPUT_SRCCODE},
187 {.str = "ipc", .field = PERF_OUTPUT_IPC},
188 {.str = "tod", .field = PERF_OUTPUT_TOD},
189 {.str = "data_page_size", .field = PERF_OUTPUT_DATA_PAGE_SIZE},
190 {.str = "code_page_size", .field = PERF_OUTPUT_CODE_PAGE_SIZE},
191 };
192
193 enum {
194 OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
195 OUTPUT_TYPE_OTHER,
196 OUTPUT_TYPE_MAX
197 };
198
199 /* default set to maintain compatibility with current format */
200 static struct {
201 bool user_set;
202 bool wildcard_set;
203 unsigned int print_ip_opts;
204 u64 fields;
205 u64 invalid_fields;
206 u64 user_set_fields;
207 u64 user_unset_fields;
208 } output[OUTPUT_TYPE_MAX] = {
209
210 [PERF_TYPE_HARDWARE] = {
211 .user_set = false,
212
213 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
214 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
215 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
216 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
217 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
218
219 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
220 },
221
222 [PERF_TYPE_SOFTWARE] = {
223 .user_set = false,
224
225 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
226 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
227 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
228 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
229 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
230 PERF_OUTPUT_BPF_OUTPUT,
231
232 .invalid_fields = PERF_OUTPUT_TRACE,
233 },
234
235 [PERF_TYPE_TRACEPOINT] = {
236 .user_set = false,
237
238 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
239 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
240 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
241 },
242
243 [PERF_TYPE_HW_CACHE] = {
244 .user_set = false,
245
246 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
247 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
248 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
249 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
250 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
251
252 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
253 },
254
255 [PERF_TYPE_RAW] = {
256 .user_set = false,
257
258 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
259 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
260 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
261 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
262 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
263 PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
264 PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR |
265 PERF_OUTPUT_DATA_PAGE_SIZE | PERF_OUTPUT_CODE_PAGE_SIZE,
266
267 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
268 },
269
270 [PERF_TYPE_BREAKPOINT] = {
271 .user_set = false,
272
273 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
274 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
275 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
276 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
277 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
278
279 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
280 },
281
282 [OUTPUT_TYPE_SYNTH] = {
283 .user_set = false,
284
285 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
286 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
287 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
288 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
289 PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH,
290
291 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
292 },
293
294 [OUTPUT_TYPE_OTHER] = {
295 .user_set = false,
296
297 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
298 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
299 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
300 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
301 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
302
303 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
304 },
305 };
306
307 struct evsel_script {
308 char *filename;
309 FILE *fp;
310 u64 samples;
311 /* For metric output */
312 u64 val;
313 int gnum;
314 };
315
316 static inline struct evsel_script *evsel_script(struct evsel *evsel)
317 {
318 return (struct evsel_script *)evsel->priv;
319 }
320
321 static struct evsel_script *evsel_script__new(struct evsel *evsel, struct perf_data *data)
322 {
323 struct evsel_script *es = zalloc(sizeof(*es));
324
325 if (es != NULL) {
326 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0)
327 goto out_free;
328 es->fp = fopen(es->filename, "w");
329 if (es->fp == NULL)
330 goto out_free_filename;
331 }
332
333 return es;
334 out_free_filename:
335 zfree(&es->filename);
336 out_free:
337 free(es);
338 return NULL;
339 }
340
341 static void evsel_script__delete(struct evsel_script *es)
342 {
343 zfree(&es->filename);
344 fclose(es->fp);
345 es->fp = NULL;
346 free(es);
347 }
348
349 static int evsel_script__fprintf(struct evsel_script *es, FILE *fp)
350 {
351 struct stat st;
352
353 fstat(fileno(es->fp), &st);
354 return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
355 st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
356 }
357
358 static inline int output_type(unsigned int type)
359 {
360 switch (type) {
361 case PERF_TYPE_SYNTH:
362 return OUTPUT_TYPE_SYNTH;
363 default:
364 if (type < PERF_TYPE_MAX)
365 return type;
366 }
367
368 return OUTPUT_TYPE_OTHER;
369 }
370
371 static bool output_set_by_user(void)
372 {
373 int j;
374 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
375 if (output[j].user_set)
376 return true;
377 }
378 return false;
379 }
380
381 static const char *output_field2str(enum perf_output_field field)
382 {
383 int i, imax = ARRAY_SIZE(all_output_options);
384 const char *str = "";
385
386 for (i = 0; i < imax; ++i) {
387 if (all_output_options[i].field == field) {
388 str = all_output_options[i].str;
389 break;
390 }
391 }
392 return str;
393 }
394
395 #define PRINT_FIELD(x) (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
396
397 static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
398 enum perf_output_field field, bool allow_user_set)
399 {
400 struct perf_event_attr *attr = &evsel->core.attr;
401 int type = output_type(attr->type);
402 const char *evname;
403
404 if (attr->sample_type & sample_type)
405 return 0;
406
407 if (output[type].user_set_fields & field) {
408 if (allow_user_set)
409 return 0;
410 evname = evsel__name(evsel);
411 pr_err("Samples for '%s' event do not have %s attribute set. "
412 "Cannot print '%s' field.\n",
413 evname, sample_msg, output_field2str(field));
414 return -1;
415 }
416
417 /* user did not ask for it explicitly so remove from the default list */
418 output[type].fields &= ~field;
419 evname = evsel__name(evsel);
420 pr_debug("Samples for '%s' event do not have %s attribute set. "
421 "Skipping '%s' field.\n",
422 evname, sample_msg, output_field2str(field));
423
424 return 0;
425 }
426
427 static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
428 enum perf_output_field field)
429 {
430 return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false);
431 }
432
433 static int evsel__check_attr(struct evsel *evsel, struct perf_session *session)
434 {
435 struct perf_event_attr *attr = &evsel->core.attr;
436 bool allow_user_set;
437
438 if (perf_header__has_feat(&session->header, HEADER_STAT))
439 return 0;
440
441 allow_user_set = perf_header__has_feat(&session->header,
442 HEADER_AUXTRACE);
443
444 if (PRINT_FIELD(TRACE) &&
445 !perf_session__has_traces(session, "record -R"))
446 return -EINVAL;
447
448 if (PRINT_FIELD(IP)) {
449 if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP))
450 return -EINVAL;
451 }
452
453 if (PRINT_FIELD(ADDR) &&
454 evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set))
455 return -EINVAL;
456
457 if (PRINT_FIELD(DATA_SRC) &&
458 evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC))
459 return -EINVAL;
460
461 if (PRINT_FIELD(WEIGHT) &&
462 evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_TYPE, "WEIGHT", PERF_OUTPUT_WEIGHT))
463 return -EINVAL;
464
465 if (PRINT_FIELD(SYM) &&
466 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
467 pr_err("Display of symbols requested but neither sample IP nor "
468 "sample address\navailable. Hence, no addresses to convert "
469 "to symbols.\n");
470 return -EINVAL;
471 }
472 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
473 pr_err("Display of offsets requested but symbol is not"
474 "selected.\n");
475 return -EINVAL;
476 }
477 if (PRINT_FIELD(DSO) &&
478 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
479 pr_err("Display of DSO requested but no address to convert.\n");
480 return -EINVAL;
481 }
482 if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) {
483 pr_err("Display of source line number requested but sample IP is not\n"
484 "selected. Hence, no address to lookup the source line number.\n");
485 return -EINVAL;
486 }
487 if (PRINT_FIELD(BRSTACKINSN) && !allow_user_set &&
488 !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) {
489 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
490 "Hint: run 'perf record -b ...'\n");
491 return -EINVAL;
492 }
493 if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
494 evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID))
495 return -EINVAL;
496
497 if (PRINT_FIELD(TIME) &&
498 evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME))
499 return -EINVAL;
500
501 if (PRINT_FIELD(CPU) &&
502 evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set))
503 return -EINVAL;
504
505 if (PRINT_FIELD(IREGS) &&
506 evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set))
507 return -EINVAL;
508
509 if (PRINT_FIELD(UREGS) &&
510 evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS))
511 return -EINVAL;
512
513 if (PRINT_FIELD(PHYS_ADDR) &&
514 evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR))
515 return -EINVAL;
516
517 if (PRINT_FIELD(DATA_PAGE_SIZE) &&
518 evsel__check_stype(evsel, PERF_SAMPLE_DATA_PAGE_SIZE, "DATA_PAGE_SIZE", PERF_OUTPUT_DATA_PAGE_SIZE))
519 return -EINVAL;
520
521 if (PRINT_FIELD(CODE_PAGE_SIZE) &&
522 evsel__check_stype(evsel, PERF_SAMPLE_CODE_PAGE_SIZE, "CODE_PAGE_SIZE", PERF_OUTPUT_CODE_PAGE_SIZE))
523 return -EINVAL;
524
525 return 0;
526 }
527
528 static void set_print_ip_opts(struct perf_event_attr *attr)
529 {
530 unsigned int type = output_type(attr->type);
531
532 output[type].print_ip_opts = 0;
533 if (PRINT_FIELD(IP))
534 output[type].print_ip_opts |= EVSEL__PRINT_IP;
535
536 if (PRINT_FIELD(SYM))
537 output[type].print_ip_opts |= EVSEL__PRINT_SYM;
538
539 if (PRINT_FIELD(DSO))
540 output[type].print_ip_opts |= EVSEL__PRINT_DSO;
541
542 if (PRINT_FIELD(SYMOFFSET))
543 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
544
545 if (PRINT_FIELD(SRCLINE))
546 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
547 }
548
549 static struct evsel *find_first_output_type(struct evlist *evlist,
550 unsigned int type)
551 {
552 struct evsel *evsel;
553
554 evlist__for_each_entry(evlist, evsel) {
555 if (output_type(evsel->core.attr.type) == (int)type)
556 return evsel;
557 }
558 return NULL;
559 }
560
561 /*
562 * verify all user requested events exist and the samples
563 * have the expected data
564 */
565 static int perf_session__check_output_opt(struct perf_session *session)
566 {
567 bool tod = false;
568 unsigned int j;
569 struct evsel *evsel;
570
571 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
572 evsel = find_first_output_type(session->evlist, j);
573
574 /*
575 * even if fields is set to 0 (ie., show nothing) event must
576 * exist if user explicitly includes it on the command line
577 */
578 if (!evsel && output[j].user_set && !output[j].wildcard_set &&
579 j != OUTPUT_TYPE_SYNTH) {
580 pr_err("%s events do not exist. "
581 "Remove corresponding -F option to proceed.\n",
582 event_type(j));
583 return -1;
584 }
585
586 if (evsel && output[j].fields &&
587 evsel__check_attr(evsel, session))
588 return -1;
589
590 if (evsel == NULL)
591 continue;
592
593 set_print_ip_opts(&evsel->core.attr);
594 tod |= output[j].fields & PERF_OUTPUT_TOD;
595 }
596
597 if (!no_callchain) {
598 bool use_callchain = false;
599 bool not_pipe = false;
600
601 evlist__for_each_entry(session->evlist, evsel) {
602 not_pipe = true;
603 if (evsel__has_callchain(evsel)) {
604 use_callchain = true;
605 break;
606 }
607 }
608 if (not_pipe && !use_callchain)
609 symbol_conf.use_callchain = false;
610 }
611
612 /*
613 * set default for tracepoints to print symbols only
614 * if callchains are present
615 */
616 if (symbol_conf.use_callchain &&
617 !output[PERF_TYPE_TRACEPOINT].user_set) {
618 j = PERF_TYPE_TRACEPOINT;
619
620 evlist__for_each_entry(session->evlist, evsel) {
621 if (evsel->core.attr.type != j)
622 continue;
623
624 if (evsel__has_callchain(evsel)) {
625 output[j].fields |= PERF_OUTPUT_IP;
626 output[j].fields |= PERF_OUTPUT_SYM;
627 output[j].fields |= PERF_OUTPUT_SYMOFFSET;
628 output[j].fields |= PERF_OUTPUT_DSO;
629 set_print_ip_opts(&evsel->core.attr);
630 goto out;
631 }
632 }
633 }
634
635 if (tod && !session->header.env.clock.enabled) {
636 pr_err("Can't provide 'tod' time, missing clock data. "
637 "Please record with -k/--clockid option.\n");
638 return -1;
639 }
640 out:
641 return 0;
642 }
643
644 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask,
645 FILE *fp)
646 {
647 unsigned i = 0, r;
648 int printed = 0;
649
650 if (!regs || !regs->regs)
651 return 0;
652
653 printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
654
655 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
656 u64 val = regs->regs[i++];
657 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
658 }
659
660 return printed;
661 }
662
663 #define DEFAULT_TOD_FMT "%F %H:%M:%S"
664
665 static char*
666 tod_scnprintf(struct perf_script *script, char *buf, int buflen,
667 u64 timestamp)
668 {
669 u64 tod_ns, clockid_ns;
670 struct perf_env *env;
671 unsigned long nsec;
672 struct tm ltime;
673 char date[64];
674 time_t sec;
675
676 buf[0] = '\0';
677 if (buflen < 64 || !script)
678 return buf;
679
680 env = &script->session->header.env;
681 if (!env->clock.enabled) {
682 scnprintf(buf, buflen, "disabled");
683 return buf;
684 }
685
686 clockid_ns = env->clock.clockid_ns;
687 tod_ns = env->clock.tod_ns;
688
689 if (timestamp > clockid_ns)
690 tod_ns += timestamp - clockid_ns;
691 else
692 tod_ns -= clockid_ns - timestamp;
693
694 sec = (time_t) (tod_ns / NSEC_PER_SEC);
695 nsec = tod_ns - sec * NSEC_PER_SEC;
696
697 if (localtime_r(&sec, &ltime) == NULL) {
698 scnprintf(buf, buflen, "failed");
699 } else {
700 strftime(date, sizeof(date), DEFAULT_TOD_FMT, &ltime);
701
702 if (symbol_conf.nanosecs) {
703 snprintf(buf, buflen, "%s.%09lu", date, nsec);
704 } else {
705 snprintf(buf, buflen, "%s.%06lu",
706 date, nsec / NSEC_PER_USEC);
707 }
708 }
709
710 return buf;
711 }
712
713 static int perf_sample__fprintf_iregs(struct perf_sample *sample,
714 struct perf_event_attr *attr, FILE *fp)
715 {
716 return perf_sample__fprintf_regs(&sample->intr_regs,
717 attr->sample_regs_intr, fp);
718 }
719
720 static int perf_sample__fprintf_uregs(struct perf_sample *sample,
721 struct perf_event_attr *attr, FILE *fp)
722 {
723 return perf_sample__fprintf_regs(&sample->user_regs,
724 attr->sample_regs_user, fp);
725 }
726
727 static int perf_sample__fprintf_start(struct perf_script *script,
728 struct perf_sample *sample,
729 struct thread *thread,
730 struct evsel *evsel,
731 u32 type, FILE *fp)
732 {
733 struct perf_event_attr *attr = &evsel->core.attr;
734 unsigned long secs;
735 unsigned long long nsecs;
736 int printed = 0;
737 char tstr[128];
738
739 if (PRINT_FIELD(COMM)) {
740 const char *comm = thread ? thread__comm_str(thread) : ":-1";
741
742 if (latency_format)
743 printed += fprintf(fp, "%8.8s ", comm);
744 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
745 printed += fprintf(fp, "%s ", comm);
746 else
747 printed += fprintf(fp, "%16s ", comm);
748 }
749
750 if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
751 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid);
752 else if (PRINT_FIELD(PID))
753 printed += fprintf(fp, "%5d ", sample->pid);
754 else if (PRINT_FIELD(TID))
755 printed += fprintf(fp, "%5d ", sample->tid);
756
757 if (PRINT_FIELD(CPU)) {
758 if (latency_format)
759 printed += fprintf(fp, "%3d ", sample->cpu);
760 else
761 printed += fprintf(fp, "[%03d] ", sample->cpu);
762 }
763
764 if (PRINT_FIELD(MISC)) {
765 int ret = 0;
766
767 #define has(m) \
768 (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
769
770 if (has(KERNEL))
771 ret += fprintf(fp, "K");
772 if (has(USER))
773 ret += fprintf(fp, "U");
774 if (has(HYPERVISOR))
775 ret += fprintf(fp, "H");
776 if (has(GUEST_KERNEL))
777 ret += fprintf(fp, "G");
778 if (has(GUEST_USER))
779 ret += fprintf(fp, "g");
780
781 switch (type) {
782 case PERF_RECORD_MMAP:
783 case PERF_RECORD_MMAP2:
784 if (has(MMAP_DATA))
785 ret += fprintf(fp, "M");
786 break;
787 case PERF_RECORD_COMM:
788 if (has(COMM_EXEC))
789 ret += fprintf(fp, "E");
790 break;
791 case PERF_RECORD_SWITCH:
792 case PERF_RECORD_SWITCH_CPU_WIDE:
793 if (has(SWITCH_OUT)) {
794 ret += fprintf(fp, "S");
795 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
796 ret += fprintf(fp, "p");
797 }
798 default:
799 break;
800 }
801
802 #undef has
803
804 ret += fprintf(fp, "%*s", 6 - ret, " ");
805 printed += ret;
806 }
807
808 if (PRINT_FIELD(TOD)) {
809 tod_scnprintf(script, tstr, sizeof(tstr), sample->time);
810 printed += fprintf(fp, "%s ", tstr);
811 }
812
813 if (PRINT_FIELD(TIME)) {
814 u64 t = sample->time;
815 if (reltime) {
816 if (!initial_time)
817 initial_time = sample->time;
818 t = sample->time - initial_time;
819 } else if (deltatime) {
820 if (previous_time)
821 t = sample->time - previous_time;
822 else {
823 t = 0;
824 }
825 previous_time = sample->time;
826 }
827 nsecs = t;
828 secs = nsecs / NSEC_PER_SEC;
829 nsecs -= secs * NSEC_PER_SEC;
830
831 if (symbol_conf.nanosecs)
832 printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
833 else {
834 char sample_time[32];
835 timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time));
836 printed += fprintf(fp, "%12s: ", sample_time);
837 }
838 }
839
840 return printed;
841 }
842
843 static inline char
844 mispred_str(struct branch_entry *br)
845 {
846 if (!(br->flags.mispred || br->flags.predicted))
847 return '-';
848
849 return br->flags.predicted ? 'P' : 'M';
850 }
851
852 static int perf_sample__fprintf_brstack(struct perf_sample *sample,
853 struct thread *thread,
854 struct perf_event_attr *attr, FILE *fp)
855 {
856 struct branch_stack *br = sample->branch_stack;
857 struct branch_entry *entries = perf_sample__branch_entries(sample);
858 struct addr_location alf, alt;
859 u64 i, from, to;
860 int printed = 0;
861
862 if (!(br && br->nr))
863 return 0;
864
865 for (i = 0; i < br->nr; i++) {
866 from = entries[i].from;
867 to = entries[i].to;
868
869 if (PRINT_FIELD(DSO)) {
870 memset(&alf, 0, sizeof(alf));
871 memset(&alt, 0, sizeof(alt));
872 thread__find_map_fb(thread, sample->cpumode, from, &alf);
873 thread__find_map_fb(thread, sample->cpumode, to, &alt);
874 }
875
876 printed += fprintf(fp, " 0x%"PRIx64, from);
877 if (PRINT_FIELD(DSO)) {
878 printed += fprintf(fp, "(");
879 printed += map__fprintf_dsoname(alf.map, fp);
880 printed += fprintf(fp, ")");
881 }
882
883 printed += fprintf(fp, "/0x%"PRIx64, to);
884 if (PRINT_FIELD(DSO)) {
885 printed += fprintf(fp, "(");
886 printed += map__fprintf_dsoname(alt.map, fp);
887 printed += fprintf(fp, ")");
888 }
889
890 printed += fprintf(fp, "/%c/%c/%c/%d ",
891 mispred_str(entries + i),
892 entries[i].flags.in_tx ? 'X' : '-',
893 entries[i].flags.abort ? 'A' : '-',
894 entries[i].flags.cycles);
895 }
896
897 return printed;
898 }
899
900 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
901 struct thread *thread,
902 struct perf_event_attr *attr, FILE *fp)
903 {
904 struct branch_stack *br = sample->branch_stack;
905 struct branch_entry *entries = perf_sample__branch_entries(sample);
906 struct addr_location alf, alt;
907 u64 i, from, to;
908 int printed = 0;
909
910 if (!(br && br->nr))
911 return 0;
912
913 for (i = 0; i < br->nr; i++) {
914
915 memset(&alf, 0, sizeof(alf));
916 memset(&alt, 0, sizeof(alt));
917 from = entries[i].from;
918 to = entries[i].to;
919
920 thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
921 thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
922
923 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
924 if (PRINT_FIELD(DSO)) {
925 printed += fprintf(fp, "(");
926 printed += map__fprintf_dsoname(alf.map, fp);
927 printed += fprintf(fp, ")");
928 }
929 printed += fprintf(fp, "%c", '/');
930 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
931 if (PRINT_FIELD(DSO)) {
932 printed += fprintf(fp, "(");
933 printed += map__fprintf_dsoname(alt.map, fp);
934 printed += fprintf(fp, ")");
935 }
936 printed += fprintf(fp, "/%c/%c/%c/%d ",
937 mispred_str(entries + i),
938 entries[i].flags.in_tx ? 'X' : '-',
939 entries[i].flags.abort ? 'A' : '-',
940 entries[i].flags.cycles);
941 }
942
943 return printed;
944 }
945
946 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
947 struct thread *thread,
948 struct perf_event_attr *attr, FILE *fp)
949 {
950 struct branch_stack *br = sample->branch_stack;
951 struct branch_entry *entries = perf_sample__branch_entries(sample);
952 struct addr_location alf, alt;
953 u64 i, from, to;
954 int printed = 0;
955
956 if (!(br && br->nr))
957 return 0;
958
959 for (i = 0; i < br->nr; i++) {
960
961 memset(&alf, 0, sizeof(alf));
962 memset(&alt, 0, sizeof(alt));
963 from = entries[i].from;
964 to = entries[i].to;
965
966 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
967 !alf.map->dso->adjust_symbols)
968 from = map__map_ip(alf.map, from);
969
970 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
971 !alt.map->dso->adjust_symbols)
972 to = map__map_ip(alt.map, to);
973
974 printed += fprintf(fp, " 0x%"PRIx64, from);
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, "/0x%"PRIx64, to);
981 if (PRINT_FIELD(DSO)) {
982 printed += fprintf(fp, "(");
983 printed += map__fprintf_dsoname(alt.map, fp);
984 printed += fprintf(fp, ")");
985 }
986 printed += fprintf(fp, "/%c/%c/%c/%d ",
987 mispred_str(entries + i),
988 entries[i].flags.in_tx ? 'X' : '-',
989 entries[i].flags.abort ? 'A' : '-',
990 entries[i].flags.cycles);
991 }
992
993 return printed;
994 }
995 #define MAXBB 16384UL
996
997 static int grab_bb(u8 *buffer, u64 start, u64 end,
998 struct machine *machine, struct thread *thread,
999 bool *is64bit, u8 *cpumode, bool last)
1000 {
1001 long offset, len;
1002 struct addr_location al;
1003 bool kernel;
1004
1005 if (!start || !end)
1006 return 0;
1007
1008 kernel = machine__kernel_ip(machine, start);
1009 if (kernel)
1010 *cpumode = PERF_RECORD_MISC_KERNEL;
1011 else
1012 *cpumode = PERF_RECORD_MISC_USER;
1013
1014 /*
1015 * Block overlaps between kernel and user.
1016 * This can happen due to ring filtering
1017 * On Intel CPUs the entry into the kernel is filtered,
1018 * but the exit is not. Let the caller patch it up.
1019 */
1020 if (kernel != machine__kernel_ip(machine, end)) {
1021 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
1022 return -ENXIO;
1023 }
1024
1025 memset(&al, 0, sizeof(al));
1026 if (end - start > MAXBB - MAXINSN) {
1027 if (last)
1028 pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
1029 else
1030 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
1031 return 0;
1032 }
1033
1034 if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) {
1035 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1036 return 0;
1037 }
1038 if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
1039 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1040 return 0;
1041 }
1042
1043 /* Load maps to ensure dso->is_64_bit has been updated */
1044 map__load(al.map);
1045
1046 offset = al.map->map_ip(al.map, start);
1047 len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer,
1048 end - start + MAXINSN);
1049
1050 *is64bit = al.map->dso->is_64_bit;
1051 if (len <= 0)
1052 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
1053 start, end);
1054 return len;
1055 }
1056
1057 static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state)
1058 {
1059 char *srcfile;
1060 int ret = 0;
1061 unsigned line;
1062 int len;
1063 char *srccode;
1064
1065 if (!map || !map->dso)
1066 return 0;
1067 srcfile = get_srcline_split(map->dso,
1068 map__rip_2objdump(map, addr),
1069 &line);
1070 if (!srcfile)
1071 return 0;
1072
1073 /* Avoid redundant printing */
1074 if (state &&
1075 state->srcfile &&
1076 !strcmp(state->srcfile, srcfile) &&
1077 state->line == line) {
1078 free(srcfile);
1079 return 0;
1080 }
1081
1082 srccode = find_sourceline(srcfile, line, &len);
1083 if (!srccode)
1084 goto out_free_line;
1085
1086 ret = fprintf(fp, "|%-8d %.*s", line, len, srccode);
1087
1088 if (state) {
1089 state->srcfile = srcfile;
1090 state->line = line;
1091 }
1092 return ret;
1093
1094 out_free_line:
1095 free(srcfile);
1096 return ret;
1097 }
1098
1099 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr)
1100 {
1101 struct addr_location al;
1102 int ret = 0;
1103
1104 memset(&al, 0, sizeof(al));
1105 thread__find_map(thread, cpumode, addr, &al);
1106 if (!al.map)
1107 return 0;
1108 ret = map__fprintf_srccode(al.map, al.addr, stdout,
1109 &thread->srccode_state);
1110 if (ret)
1111 ret += printf("\n");
1112 return ret;
1113 }
1114
1115 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
1116 struct perf_insn *x, u8 *inbuf, int len,
1117 int insn, FILE *fp, int *total_cycles)
1118 {
1119 int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip,
1120 dump_insn(x, ip, inbuf, len, NULL),
1121 en->flags.predicted ? " PRED" : "",
1122 en->flags.mispred ? " MISPRED" : "",
1123 en->flags.in_tx ? " INTX" : "",
1124 en->flags.abort ? " ABORT" : "");
1125 if (en->flags.cycles) {
1126 *total_cycles += en->flags.cycles;
1127 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles);
1128 if (insn)
1129 printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
1130 }
1131 return printed + fprintf(fp, "\n");
1132 }
1133
1134 static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
1135 u8 cpumode, int cpu, struct symbol **lastsym,
1136 struct perf_event_attr *attr, FILE *fp)
1137 {
1138 struct addr_location al;
1139 int off, printed = 0;
1140
1141 memset(&al, 0, sizeof(al));
1142
1143 thread__find_map(thread, cpumode, addr, &al);
1144
1145 if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
1146 return 0;
1147
1148 al.cpu = cpu;
1149 al.sym = NULL;
1150 if (al.map)
1151 al.sym = map__find_symbol(al.map, al.addr);
1152
1153 if (!al.sym)
1154 return 0;
1155
1156 if (al.addr < al.sym->end)
1157 off = al.addr - al.sym->start;
1158 else
1159 off = al.addr - al.map->start - al.sym->start;
1160 printed += fprintf(fp, "\t%s", al.sym->name);
1161 if (off)
1162 printed += fprintf(fp, "%+d", off);
1163 printed += fprintf(fp, ":");
1164 if (PRINT_FIELD(SRCLINE))
1165 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
1166 printed += fprintf(fp, "\n");
1167 *lastsym = al.sym;
1168
1169 return printed;
1170 }
1171
1172 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
1173 struct thread *thread,
1174 struct perf_event_attr *attr,
1175 struct machine *machine, FILE *fp)
1176 {
1177 struct branch_stack *br = sample->branch_stack;
1178 struct branch_entry *entries = perf_sample__branch_entries(sample);
1179 u64 start, end;
1180 int i, insn, len, nr, ilen, printed = 0;
1181 struct perf_insn x;
1182 u8 buffer[MAXBB];
1183 unsigned off;
1184 struct symbol *lastsym = NULL;
1185 int total_cycles = 0;
1186
1187 if (!(br && br->nr))
1188 return 0;
1189 nr = br->nr;
1190 if (max_blocks && nr > max_blocks + 1)
1191 nr = max_blocks + 1;
1192
1193 x.thread = thread;
1194 x.cpu = sample->cpu;
1195
1196 printed += fprintf(fp, "%c", '\n');
1197
1198 /* Handle first from jump, of which we don't know the entry. */
1199 len = grab_bb(buffer, entries[nr-1].from,
1200 entries[nr-1].from,
1201 machine, thread, &x.is64bit, &x.cpumode, false);
1202 if (len > 0) {
1203 printed += ip__fprintf_sym(entries[nr - 1].from, thread,
1204 x.cpumode, x.cpu, &lastsym, attr, fp);
1205 printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1],
1206 &x, buffer, len, 0, fp, &total_cycles);
1207 if (PRINT_FIELD(SRCCODE))
1208 printed += print_srccode(thread, x.cpumode, entries[nr - 1].from);
1209 }
1210
1211 /* Print all blocks */
1212 for (i = nr - 2; i >= 0; i--) {
1213 if (entries[i].from || entries[i].to)
1214 pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1215 entries[i].from,
1216 entries[i].to);
1217 start = entries[i + 1].to;
1218 end = entries[i].from;
1219
1220 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1221 /* Patch up missing kernel transfers due to ring filters */
1222 if (len == -ENXIO && i > 0) {
1223 end = entries[--i].from;
1224 pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1225 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1226 }
1227 if (len <= 0)
1228 continue;
1229
1230 insn = 0;
1231 for (off = 0; off < (unsigned)len; off += ilen) {
1232 uint64_t ip = start + off;
1233
1234 printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1235 if (ip == end) {
1236 printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp,
1237 &total_cycles);
1238 if (PRINT_FIELD(SRCCODE))
1239 printed += print_srccode(thread, x.cpumode, ip);
1240 break;
1241 } else {
1242 ilen = 0;
1243 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip,
1244 dump_insn(&x, ip, buffer + off, len - off, &ilen));
1245 if (ilen == 0)
1246 break;
1247 if (PRINT_FIELD(SRCCODE))
1248 print_srccode(thread, x.cpumode, ip);
1249 insn++;
1250 }
1251 }
1252 if (off != end - start)
1253 printed += fprintf(fp, "\tmismatch of LBR data and executable\n");
1254 }
1255
1256 /*
1257 * Hit the branch? In this case we are already done, and the target
1258 * has not been executed yet.
1259 */
1260 if (entries[0].from == sample->ip)
1261 goto out;
1262 if (entries[0].flags.abort)
1263 goto out;
1264
1265 /*
1266 * Print final block upto sample
1267 *
1268 * Due to pipeline delays the LBRs might be missing a branch
1269 * or two, which can result in very large or negative blocks
1270 * between final branch and sample. When this happens just
1271 * continue walking after the last TO until we hit a branch.
1272 */
1273 start = entries[0].to;
1274 end = sample->ip;
1275 if (end < start) {
1276 /* Missing jump. Scan 128 bytes for the next branch */
1277 end = start + 128;
1278 }
1279 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1280 printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1281 if (len <= 0) {
1282 /* Print at least last IP if basic block did not work */
1283 len = grab_bb(buffer, sample->ip, sample->ip,
1284 machine, thread, &x.is64bit, &x.cpumode, false);
1285 if (len <= 0)
1286 goto out;
1287 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip,
1288 dump_insn(&x, sample->ip, buffer, len, NULL));
1289 if (PRINT_FIELD(SRCCODE))
1290 print_srccode(thread, x.cpumode, sample->ip);
1291 goto out;
1292 }
1293 for (off = 0; off <= end - start; off += ilen) {
1294 ilen = 0;
1295 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off,
1296 dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1297 if (ilen == 0)
1298 break;
1299 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) {
1300 /*
1301 * Hit a missing branch. Just stop.
1302 */
1303 printed += fprintf(fp, "\t... not reaching sample ...\n");
1304 break;
1305 }
1306 if (PRINT_FIELD(SRCCODE))
1307 print_srccode(thread, x.cpumode, start + off);
1308 }
1309 out:
1310 return printed;
1311 }
1312
1313 static int perf_sample__fprintf_addr(struct perf_sample *sample,
1314 struct thread *thread,
1315 struct perf_event_attr *attr, FILE *fp)
1316 {
1317 struct addr_location al;
1318 int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1319
1320 if (!sample_addr_correlates_sym(attr))
1321 goto out;
1322
1323 thread__resolve(thread, &al, sample);
1324
1325 if (PRINT_FIELD(SYM)) {
1326 printed += fprintf(fp, " ");
1327 if (PRINT_FIELD(SYMOFFSET))
1328 printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1329 else
1330 printed += symbol__fprintf_symname(al.sym, fp);
1331 }
1332
1333 if (PRINT_FIELD(DSO)) {
1334 printed += fprintf(fp, " (");
1335 printed += map__fprintf_dsoname(al.map, fp);
1336 printed += fprintf(fp, ")");
1337 }
1338 out:
1339 return printed;
1340 }
1341
1342 static const char *resolve_branch_sym(struct perf_sample *sample,
1343 struct evsel *evsel,
1344 struct thread *thread,
1345 struct addr_location *al,
1346 struct addr_location *addr_al,
1347 u64 *ip)
1348 {
1349 struct perf_event_attr *attr = &evsel->core.attr;
1350 const char *name = NULL;
1351
1352 if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1353 if (sample_addr_correlates_sym(attr)) {
1354 if (!addr_al->thread)
1355 thread__resolve(thread, addr_al, sample);
1356 if (addr_al->sym)
1357 name = addr_al->sym->name;
1358 else
1359 *ip = sample->addr;
1360 } else {
1361 *ip = sample->addr;
1362 }
1363 } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1364 if (al->sym)
1365 name = al->sym->name;
1366 else
1367 *ip = sample->ip;
1368 }
1369 return name;
1370 }
1371
1372 static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1373 struct evsel *evsel,
1374 struct thread *thread,
1375 struct addr_location *al,
1376 struct addr_location *addr_al,
1377 FILE *fp)
1378 {
1379 struct perf_event_attr *attr = &evsel->core.attr;
1380 size_t depth = thread_stack__depth(thread, sample->cpu);
1381 const char *name = NULL;
1382 static int spacing;
1383 int len = 0;
1384 int dlen = 0;
1385 u64 ip = 0;
1386
1387 /*
1388 * The 'return' has already been popped off the stack so the depth has
1389 * to be adjusted to match the 'call'.
1390 */
1391 if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
1392 depth += 1;
1393
1394 name = resolve_branch_sym(sample, evsel, thread, al, addr_al, &ip);
1395
1396 if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
1397 dlen += fprintf(fp, "(");
1398 dlen += map__fprintf_dsoname(al->map, fp);
1399 dlen += fprintf(fp, ")\t");
1400 }
1401
1402 if (name)
1403 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1404 else if (ip)
1405 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1406
1407 if (len < 0)
1408 return len;
1409
1410 /*
1411 * Try to keep the output length from changing frequently so that the
1412 * output lines up more nicely.
1413 */
1414 if (len > spacing || (len && len < spacing - 52))
1415 spacing = round_up(len + 4, 32);
1416
1417 if (len < spacing)
1418 len += fprintf(fp, "%*s", spacing - len, "");
1419
1420 return len + dlen;
1421 }
1422
1423 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused,
1424 struct thread *thread __maybe_unused,
1425 struct machine *machine __maybe_unused)
1426 {
1427 }
1428
1429 void script_fetch_insn(struct perf_sample *sample, struct thread *thread,
1430 struct machine *machine)
1431 {
1432 if (sample->insn_len == 0 && native_arch)
1433 arch_fetch_insn(sample, thread, machine);
1434 }
1435
1436 static int perf_sample__fprintf_insn(struct perf_sample *sample,
1437 struct perf_event_attr *attr,
1438 struct thread *thread,
1439 struct machine *machine, FILE *fp)
1440 {
1441 int printed = 0;
1442
1443 script_fetch_insn(sample, thread, machine);
1444
1445 if (PRINT_FIELD(INSNLEN))
1446 printed += fprintf(fp, " ilen: %d", sample->insn_len);
1447 if (PRINT_FIELD(INSN) && sample->insn_len) {
1448 int i;
1449
1450 printed += fprintf(fp, " insn:");
1451 for (i = 0; i < sample->insn_len; i++)
1452 printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
1453 }
1454 if (PRINT_FIELD(BRSTACKINSN))
1455 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
1456
1457 return printed;
1458 }
1459
1460 static int perf_sample__fprintf_ipc(struct perf_sample *sample,
1461 struct perf_event_attr *attr, FILE *fp)
1462 {
1463 unsigned int ipc;
1464
1465 if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt)
1466 return 0;
1467
1468 ipc = (sample->insn_cnt * 100) / sample->cyc_cnt;
1469
1470 return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ",
1471 ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt);
1472 }
1473
1474 static int perf_sample__fprintf_bts(struct perf_sample *sample,
1475 struct evsel *evsel,
1476 struct thread *thread,
1477 struct addr_location *al,
1478 struct addr_location *addr_al,
1479 struct machine *machine, FILE *fp)
1480 {
1481 struct perf_event_attr *attr = &evsel->core.attr;
1482 unsigned int type = output_type(attr->type);
1483 bool print_srcline_last = false;
1484 int printed = 0;
1485
1486 if (PRINT_FIELD(CALLINDENT))
1487 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, addr_al, fp);
1488
1489 /* print branch_from information */
1490 if (PRINT_FIELD(IP)) {
1491 unsigned int print_opts = output[type].print_ip_opts;
1492 struct callchain_cursor *cursor = NULL;
1493
1494 if (symbol_conf.use_callchain && sample->callchain &&
1495 thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1496 sample, NULL, NULL, scripting_max_stack) == 0)
1497 cursor = &callchain_cursor;
1498
1499 if (cursor == NULL) {
1500 printed += fprintf(fp, " ");
1501 if (print_opts & EVSEL__PRINT_SRCLINE) {
1502 print_srcline_last = true;
1503 print_opts &= ~EVSEL__PRINT_SRCLINE;
1504 }
1505 } else
1506 printed += fprintf(fp, "\n");
1507
1508 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor,
1509 symbol_conf.bt_stop_list, fp);
1510 }
1511
1512 /* print branch_to information */
1513 if (PRINT_FIELD(ADDR) ||
1514 ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
1515 !output[type].user_set)) {
1516 printed += fprintf(fp, " => ");
1517 printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1518 }
1519
1520 printed += perf_sample__fprintf_ipc(sample, attr, fp);
1521
1522 if (print_srcline_last)
1523 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp);
1524
1525 printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1526 printed += fprintf(fp, "\n");
1527 if (PRINT_FIELD(SRCCODE)) {
1528 int ret = map__fprintf_srccode(al->map, al->addr, stdout,
1529 &thread->srccode_state);
1530 if (ret) {
1531 printed += ret;
1532 printed += printf("\n");
1533 }
1534 }
1535 return printed;
1536 }
1537
1538 static struct {
1539 u32 flags;
1540 const char *name;
1541 } sample_flags[] = {
1542 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1543 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1544 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1545 {PERF_IP_FLAG_BRANCH, "jmp"},
1546 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1547 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1548 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1549 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1550 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1551 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"},
1552 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1553 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1554 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1555 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMENTRY, "vmentry"},
1556 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMEXIT, "vmexit"},
1557 {0, NULL}
1558 };
1559
1560 static const char *sample_flags_to_name(u32 flags)
1561 {
1562 int i;
1563
1564 for (i = 0; sample_flags[i].name ; i++) {
1565 if (sample_flags[i].flags == flags)
1566 return sample_flags[i].name;
1567 }
1568
1569 return NULL;
1570 }
1571
1572 int perf_sample__sprintf_flags(u32 flags, char *str, size_t sz)
1573 {
1574 const char *chars = PERF_IP_FLAG_CHARS;
1575 const size_t n = strlen(PERF_IP_FLAG_CHARS);
1576 bool in_tx = flags & PERF_IP_FLAG_IN_TX;
1577 const char *name = NULL;
1578 size_t i, pos = 0;
1579
1580 name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX);
1581 if (name)
1582 return snprintf(str, sz, "%-15s%4s", name, in_tx ? "(x)" : "");
1583
1584 if (flags & PERF_IP_FLAG_TRACE_BEGIN) {
1585 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN));
1586 if (name)
1587 return snprintf(str, sz, "tr strt %-7s%4s", name, in_tx ? "(x)" : "");
1588 }
1589
1590 if (flags & PERF_IP_FLAG_TRACE_END) {
1591 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END));
1592 if (name)
1593 return snprintf(str, sz, "tr end %-7s%4s", name, in_tx ? "(x)" : "");
1594 }
1595
1596 for (i = 0; i < n; i++, flags >>= 1) {
1597 if ((flags & 1) && pos < sz)
1598 str[pos++] = chars[i];
1599 }
1600 for (; i < 32; i++, flags >>= 1) {
1601 if ((flags & 1) && pos < sz)
1602 str[pos++] = '?';
1603 }
1604 if (pos < sz)
1605 str[pos] = 0;
1606
1607 return pos;
1608 }
1609
1610 static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1611 {
1612 char str[SAMPLE_FLAGS_BUF_SIZE];
1613
1614 perf_sample__sprintf_flags(flags, str, sizeof(str));
1615 return fprintf(fp, " %-19s ", str);
1616 }
1617
1618 struct printer_data {
1619 int line_no;
1620 bool hit_nul;
1621 bool is_printable;
1622 };
1623
1624 static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1625 unsigned int val,
1626 void *extra, FILE *fp)
1627 {
1628 unsigned char ch = (unsigned char)val;
1629 struct printer_data *printer_data = extra;
1630 int printed = 0;
1631
1632 switch (op) {
1633 case BINARY_PRINT_DATA_BEGIN:
1634 printed += fprintf(fp, "\n");
1635 break;
1636 case BINARY_PRINT_LINE_BEGIN:
1637 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1638 " ");
1639 break;
1640 case BINARY_PRINT_ADDR:
1641 printed += fprintf(fp, " %04x:", val);
1642 break;
1643 case BINARY_PRINT_NUM_DATA:
1644 printed += fprintf(fp, " %02x", val);
1645 break;
1646 case BINARY_PRINT_NUM_PAD:
1647 printed += fprintf(fp, " ");
1648 break;
1649 case BINARY_PRINT_SEP:
1650 printed += fprintf(fp, " ");
1651 break;
1652 case BINARY_PRINT_CHAR_DATA:
1653 if (printer_data->hit_nul && ch)
1654 printer_data->is_printable = false;
1655
1656 if (!isprint(ch)) {
1657 printed += fprintf(fp, "%c", '.');
1658
1659 if (!printer_data->is_printable)
1660 break;
1661
1662 if (ch == '\0')
1663 printer_data->hit_nul = true;
1664 else
1665 printer_data->is_printable = false;
1666 } else {
1667 printed += fprintf(fp, "%c", ch);
1668 }
1669 break;
1670 case BINARY_PRINT_CHAR_PAD:
1671 printed += fprintf(fp, " ");
1672 break;
1673 case BINARY_PRINT_LINE_END:
1674 printed += fprintf(fp, "\n");
1675 printer_data->line_no++;
1676 break;
1677 case BINARY_PRINT_DATA_END:
1678 default:
1679 break;
1680 }
1681
1682 return printed;
1683 }
1684
1685 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1686 {
1687 unsigned int nr_bytes = sample->raw_size;
1688 struct printer_data printer_data = {0, false, true};
1689 int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1690 sample__fprintf_bpf_output, &printer_data, fp);
1691
1692 if (printer_data.is_printable && printer_data.hit_nul)
1693 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1694
1695 return printed;
1696 }
1697
1698 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1699 {
1700 if (len > 0 && len < spacing)
1701 return fprintf(fp, "%*s", spacing - len, "");
1702
1703 return 0;
1704 }
1705
1706 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1707 {
1708 return perf_sample__fprintf_spacing(len, 34, fp);
1709 }
1710
1711 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1712 {
1713 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1714 int len;
1715
1716 if (perf_sample__bad_synth_size(sample, *data))
1717 return 0;
1718
1719 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ",
1720 data->ip, le64_to_cpu(data->payload));
1721 return len + perf_sample__fprintf_pt_spacing(len, fp);
1722 }
1723
1724 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1725 {
1726 struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1727 int len;
1728
1729 if (perf_sample__bad_synth_size(sample, *data))
1730 return 0;
1731
1732 len = fprintf(fp, " hints: %#x extensions: %#x ",
1733 data->hints, data->extensions);
1734 return len + perf_sample__fprintf_pt_spacing(len, fp);
1735 }
1736
1737 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1738 {
1739 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1740 int len;
1741
1742 if (perf_sample__bad_synth_size(sample, *data))
1743 return 0;
1744
1745 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1746 data->hw, data->cstate, data->subcstate);
1747 return len + perf_sample__fprintf_pt_spacing(len, fp);
1748 }
1749
1750 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1751 {
1752 struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1753 int len;
1754
1755 if (perf_sample__bad_synth_size(sample, *data))
1756 return 0;
1757
1758 len = fprintf(fp, " IP: %u ", data->ip);
1759 return len + perf_sample__fprintf_pt_spacing(len, fp);
1760 }
1761
1762 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1763 {
1764 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1765 int len;
1766
1767 if (perf_sample__bad_synth_size(sample, *data))
1768 return 0;
1769
1770 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1771 data->deepest_cstate, data->last_cstate,
1772 data->wake_reason);
1773 return len + perf_sample__fprintf_pt_spacing(len, fp);
1774 }
1775
1776 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1777 {
1778 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1779 unsigned int percent, freq;
1780 int len;
1781
1782 if (perf_sample__bad_synth_size(sample, *data))
1783 return 0;
1784
1785 freq = (le32_to_cpu(data->freq) + 500) / 1000;
1786 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1787 if (data->max_nonturbo) {
1788 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1789 len += fprintf(fp, "(%3u%%) ", percent);
1790 }
1791 return len + perf_sample__fprintf_pt_spacing(len, fp);
1792 }
1793
1794 static int perf_sample__fprintf_synth_psb(struct perf_sample *sample, FILE *fp)
1795 {
1796 struct perf_synth_intel_psb *data = perf_sample__synth_ptr(sample);
1797 int len;
1798
1799 if (perf_sample__bad_synth_size(sample, *data))
1800 return 0;
1801
1802 len = fprintf(fp, " psb offs: %#" PRIx64, data->offset);
1803 return len + perf_sample__fprintf_pt_spacing(len, fp);
1804 }
1805
1806 static int perf_sample__fprintf_synth(struct perf_sample *sample,
1807 struct evsel *evsel, FILE *fp)
1808 {
1809 switch (evsel->core.attr.config) {
1810 case PERF_SYNTH_INTEL_PTWRITE:
1811 return perf_sample__fprintf_synth_ptwrite(sample, fp);
1812 case PERF_SYNTH_INTEL_MWAIT:
1813 return perf_sample__fprintf_synth_mwait(sample, fp);
1814 case PERF_SYNTH_INTEL_PWRE:
1815 return perf_sample__fprintf_synth_pwre(sample, fp);
1816 case PERF_SYNTH_INTEL_EXSTOP:
1817 return perf_sample__fprintf_synth_exstop(sample, fp);
1818 case PERF_SYNTH_INTEL_PWRX:
1819 return perf_sample__fprintf_synth_pwrx(sample, fp);
1820 case PERF_SYNTH_INTEL_CBR:
1821 return perf_sample__fprintf_synth_cbr(sample, fp);
1822 case PERF_SYNTH_INTEL_PSB:
1823 return perf_sample__fprintf_synth_psb(sample, fp);
1824 default:
1825 break;
1826 }
1827
1828 return 0;
1829 }
1830
1831 static int evlist__max_name_len(struct evlist *evlist)
1832 {
1833 struct evsel *evsel;
1834 int max = 0;
1835
1836 evlist__for_each_entry(evlist, evsel) {
1837 int len = strlen(evsel__name(evsel));
1838
1839 max = MAX(len, max);
1840 }
1841
1842 return max;
1843 }
1844
1845 static int data_src__fprintf(u64 data_src, FILE *fp)
1846 {
1847 struct mem_info mi = { .data_src.val = data_src };
1848 char decode[100];
1849 char out[100];
1850 static int maxlen;
1851 int len;
1852
1853 perf_script__meminfo_scnprintf(decode, 100, &mi);
1854
1855 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
1856 if (maxlen < len)
1857 maxlen = len;
1858
1859 return fprintf(fp, "%-*s", maxlen, out);
1860 }
1861
1862 struct metric_ctx {
1863 struct perf_sample *sample;
1864 struct thread *thread;
1865 struct evsel *evsel;
1866 FILE *fp;
1867 };
1868
1869 static void script_print_metric(struct perf_stat_config *config __maybe_unused,
1870 void *ctx, const char *color,
1871 const char *fmt,
1872 const char *unit, double val)
1873 {
1874 struct metric_ctx *mctx = ctx;
1875
1876 if (!fmt)
1877 return;
1878 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
1879 PERF_RECORD_SAMPLE, mctx->fp);
1880 fputs("\tmetric: ", mctx->fp);
1881 if (color)
1882 color_fprintf(mctx->fp, color, fmt, val);
1883 else
1884 printf(fmt, val);
1885 fprintf(mctx->fp, " %s\n", unit);
1886 }
1887
1888 static void script_new_line(struct perf_stat_config *config __maybe_unused,
1889 void *ctx)
1890 {
1891 struct metric_ctx *mctx = ctx;
1892
1893 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
1894 PERF_RECORD_SAMPLE, mctx->fp);
1895 fputs("\tmetric: ", mctx->fp);
1896 }
1897
1898 static void perf_sample__fprint_metric(struct perf_script *script,
1899 struct thread *thread,
1900 struct evsel *evsel,
1901 struct perf_sample *sample,
1902 FILE *fp)
1903 {
1904 struct evsel *leader = evsel__leader(evsel);
1905 struct perf_stat_output_ctx ctx = {
1906 .print_metric = script_print_metric,
1907 .new_line = script_new_line,
1908 .ctx = &(struct metric_ctx) {
1909 .sample = sample,
1910 .thread = thread,
1911 .evsel = evsel,
1912 .fp = fp,
1913 },
1914 .force_header = false,
1915 };
1916 struct evsel *ev2;
1917 u64 val;
1918
1919 if (!evsel->stats)
1920 evlist__alloc_stats(script->session->evlist, false);
1921 if (evsel_script(leader)->gnum++ == 0)
1922 perf_stat__reset_shadow_stats();
1923 val = sample->period * evsel->scale;
1924 perf_stat__update_shadow_stats(evsel,
1925 val,
1926 sample->cpu,
1927 &rt_stat);
1928 evsel_script(evsel)->val = val;
1929 if (evsel_script(leader)->gnum == leader->core.nr_members) {
1930 for_each_group_member (ev2, leader) {
1931 perf_stat__print_shadow_stats(&stat_config, ev2,
1932 evsel_script(ev2)->val,
1933 sample->cpu,
1934 &ctx,
1935 NULL,
1936 &rt_stat);
1937 }
1938 evsel_script(leader)->gnum = 0;
1939 }
1940 }
1941
1942 static bool show_event(struct perf_sample *sample,
1943 struct evsel *evsel,
1944 struct thread *thread,
1945 struct addr_location *al,
1946 struct addr_location *addr_al)
1947 {
1948 int depth = thread_stack__depth(thread, sample->cpu);
1949
1950 if (!symbol_conf.graph_function)
1951 return true;
1952
1953 if (thread->filter) {
1954 if (depth <= thread->filter_entry_depth) {
1955 thread->filter = false;
1956 return false;
1957 }
1958 return true;
1959 } else {
1960 const char *s = symbol_conf.graph_function;
1961 u64 ip;
1962 const char *name = resolve_branch_sym(sample, evsel, thread, al, addr_al,
1963 &ip);
1964 unsigned nlen;
1965
1966 if (!name)
1967 return false;
1968 nlen = strlen(name);
1969 while (*s) {
1970 unsigned len = strcspn(s, ",");
1971 if (nlen == len && !strncmp(name, s, len)) {
1972 thread->filter = true;
1973 thread->filter_entry_depth = depth;
1974 return true;
1975 }
1976 s += len;
1977 if (*s == ',')
1978 s++;
1979 }
1980 return false;
1981 }
1982 }
1983
1984 static void process_event(struct perf_script *script,
1985 struct perf_sample *sample, struct evsel *evsel,
1986 struct addr_location *al,
1987 struct addr_location *addr_al,
1988 struct machine *machine)
1989 {
1990 struct thread *thread = al->thread;
1991 struct perf_event_attr *attr = &evsel->core.attr;
1992 unsigned int type = output_type(attr->type);
1993 struct evsel_script *es = evsel->priv;
1994 FILE *fp = es->fp;
1995 char str[PAGE_SIZE_NAME_LEN];
1996
1997 if (output[type].fields == 0)
1998 return;
1999
2000 ++es->samples;
2001
2002 perf_sample__fprintf_start(script, sample, thread, evsel,
2003 PERF_RECORD_SAMPLE, fp);
2004
2005 if (PRINT_FIELD(PERIOD))
2006 fprintf(fp, "%10" PRIu64 " ", sample->period);
2007
2008 if (PRINT_FIELD(EVNAME)) {
2009 const char *evname = evsel__name(evsel);
2010
2011 if (!script->name_width)
2012 script->name_width = evlist__max_name_len(script->session->evlist);
2013
2014 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
2015 }
2016
2017 if (print_flags)
2018 perf_sample__fprintf_flags(sample->flags, fp);
2019
2020 if (is_bts_event(attr)) {
2021 perf_sample__fprintf_bts(sample, evsel, thread, al, addr_al, machine, fp);
2022 return;
2023 }
2024
2025 if (PRINT_FIELD(TRACE) && sample->raw_data) {
2026 event_format__fprintf(evsel->tp_format, sample->cpu,
2027 sample->raw_data, sample->raw_size, fp);
2028 }
2029
2030 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
2031 perf_sample__fprintf_synth(sample, evsel, fp);
2032
2033 if (PRINT_FIELD(ADDR))
2034 perf_sample__fprintf_addr(sample, thread, attr, fp);
2035
2036 if (PRINT_FIELD(DATA_SRC))
2037 data_src__fprintf(sample->data_src, fp);
2038
2039 if (PRINT_FIELD(WEIGHT))
2040 fprintf(fp, "%16" PRIu64, sample->weight);
2041
2042 if (PRINT_FIELD(IP)) {
2043 struct callchain_cursor *cursor = NULL;
2044
2045 if (script->stitch_lbr)
2046 al->thread->lbr_stitch_enable = true;
2047
2048 if (symbol_conf.use_callchain && sample->callchain &&
2049 thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
2050 sample, NULL, NULL, scripting_max_stack) == 0)
2051 cursor = &callchain_cursor;
2052
2053 fputc(cursor ? '\n' : ' ', fp);
2054 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor,
2055 symbol_conf.bt_stop_list, fp);
2056 }
2057
2058 if (PRINT_FIELD(IREGS))
2059 perf_sample__fprintf_iregs(sample, attr, fp);
2060
2061 if (PRINT_FIELD(UREGS))
2062 perf_sample__fprintf_uregs(sample, attr, fp);
2063
2064 if (PRINT_FIELD(BRSTACK))
2065 perf_sample__fprintf_brstack(sample, thread, attr, fp);
2066 else if (PRINT_FIELD(BRSTACKSYM))
2067 perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
2068 else if (PRINT_FIELD(BRSTACKOFF))
2069 perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
2070
2071 if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
2072 perf_sample__fprintf_bpf_output(sample, fp);
2073 perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
2074
2075 if (PRINT_FIELD(PHYS_ADDR))
2076 fprintf(fp, "%16" PRIx64, sample->phys_addr);
2077
2078 if (PRINT_FIELD(DATA_PAGE_SIZE))
2079 fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str));
2080
2081 if (PRINT_FIELD(CODE_PAGE_SIZE))
2082 fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str));
2083
2084 perf_sample__fprintf_ipc(sample, attr, fp);
2085
2086 fprintf(fp, "\n");
2087
2088 if (PRINT_FIELD(SRCCODE)) {
2089 if (map__fprintf_srccode(al->map, al->addr, stdout,
2090 &thread->srccode_state))
2091 printf("\n");
2092 }
2093
2094 if (PRINT_FIELD(METRIC))
2095 perf_sample__fprint_metric(script, thread, evsel, sample, fp);
2096
2097 if (verbose)
2098 fflush(fp);
2099 }
2100
2101 static struct scripting_ops *scripting_ops;
2102
2103 static void __process_stat(struct evsel *counter, u64 tstamp)
2104 {
2105 int nthreads = perf_thread_map__nr(counter->core.threads);
2106 int ncpus = evsel__nr_cpus(counter);
2107 int cpu, thread;
2108 static int header_printed;
2109
2110 if (counter->core.system_wide)
2111 nthreads = 1;
2112
2113 if (!header_printed) {
2114 printf("%3s %8s %15s %15s %15s %15s %s\n",
2115 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
2116 header_printed = 1;
2117 }
2118
2119 for (thread = 0; thread < nthreads; thread++) {
2120 for (cpu = 0; cpu < ncpus; cpu++) {
2121 struct perf_counts_values *counts;
2122
2123 counts = perf_counts(counter->counts, cpu, thread);
2124
2125 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
2126 counter->core.cpus->map[cpu],
2127 perf_thread_map__pid(counter->core.threads, thread),
2128 counts->val,
2129 counts->ena,
2130 counts->run,
2131 tstamp,
2132 evsel__name(counter));
2133 }
2134 }
2135 }
2136
2137 static void process_stat(struct evsel *counter, u64 tstamp)
2138 {
2139 if (scripting_ops && scripting_ops->process_stat)
2140 scripting_ops->process_stat(&stat_config, counter, tstamp);
2141 else
2142 __process_stat(counter, tstamp);
2143 }
2144
2145 static void process_stat_interval(u64 tstamp)
2146 {
2147 if (scripting_ops && scripting_ops->process_stat_interval)
2148 scripting_ops->process_stat_interval(tstamp);
2149 }
2150
2151 static void setup_scripting(void)
2152 {
2153 setup_perl_scripting();
2154 setup_python_scripting();
2155 }
2156
2157 static int flush_scripting(void)
2158 {
2159 return scripting_ops ? scripting_ops->flush_script() : 0;
2160 }
2161
2162 static int cleanup_scripting(void)
2163 {
2164 pr_debug("\nperf script stopped\n");
2165
2166 return scripting_ops ? scripting_ops->stop_script() : 0;
2167 }
2168
2169 static bool filter_cpu(struct perf_sample *sample)
2170 {
2171 if (cpu_list && sample->cpu != (u32)-1)
2172 return !test_bit(sample->cpu, cpu_bitmap);
2173 return false;
2174 }
2175
2176 static int process_sample_event(struct perf_tool *tool,
2177 union perf_event *event,
2178 struct perf_sample *sample,
2179 struct evsel *evsel,
2180 struct machine *machine)
2181 {
2182 struct perf_script *scr = container_of(tool, struct perf_script, tool);
2183 struct addr_location al;
2184 struct addr_location addr_al;
2185 int ret = 0;
2186
2187 /* Set thread to NULL to indicate addr_al and al are not initialized */
2188 addr_al.thread = NULL;
2189 al.thread = NULL;
2190
2191 ret = dlfilter__filter_event_early(dlfilter, event, sample, evsel, machine, &al, &addr_al);
2192 if (ret) {
2193 if (ret > 0)
2194 ret = 0;
2195 goto out_put;
2196 }
2197
2198 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
2199 sample->time)) {
2200 goto out_put;
2201 }
2202
2203 if (debug_mode) {
2204 if (sample->time < last_timestamp) {
2205 pr_err("Samples misordered, previous: %" PRIu64
2206 " this: %" PRIu64 "\n", last_timestamp,
2207 sample->time);
2208 nr_unordered++;
2209 }
2210 last_timestamp = sample->time;
2211 goto out_put;
2212 }
2213
2214 if (filter_cpu(sample))
2215 goto out_put;
2216
2217 if (!al.thread && machine__resolve(machine, &al, sample) < 0) {
2218 pr_err("problem processing %d event, skipping it.\n",
2219 event->header.type);
2220 ret = -1;
2221 goto out_put;
2222 }
2223
2224 if (al.filtered)
2225 goto out_put;
2226
2227 if (!show_event(sample, evsel, al.thread, &al, &addr_al))
2228 goto out_put;
2229
2230 if (evswitch__discard(&scr->evswitch, evsel))
2231 goto out_put;
2232
2233 ret = dlfilter__filter_event(dlfilter, event, sample, evsel, machine, &al, &addr_al);
2234 if (ret) {
2235 if (ret > 0)
2236 ret = 0;
2237 goto out_put;
2238 }
2239
2240 if (scripting_ops) {
2241 struct addr_location *addr_al_ptr = NULL;
2242
2243 if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
2244 sample_addr_correlates_sym(&evsel->core.attr)) {
2245 if (!addr_al.thread)
2246 thread__resolve(al.thread, &addr_al, sample);
2247 addr_al_ptr = &addr_al;
2248 }
2249 scripting_ops->process_event(event, sample, evsel, &al, addr_al_ptr);
2250 } else {
2251 process_event(scr, sample, evsel, &al, &addr_al, machine);
2252 }
2253
2254 out_put:
2255 if (al.thread)
2256 addr_location__put(&al);
2257 return ret;
2258 }
2259
2260 static int process_attr(struct perf_tool *tool, union perf_event *event,
2261 struct evlist **pevlist)
2262 {
2263 struct perf_script *scr = container_of(tool, struct perf_script, tool);
2264 struct evlist *evlist;
2265 struct evsel *evsel, *pos;
2266 u64 sample_type;
2267 int err;
2268 static struct evsel_script *es;
2269
2270 err = perf_event__process_attr(tool, event, pevlist);
2271 if (err)
2272 return err;
2273
2274 evlist = *pevlist;
2275 evsel = evlist__last(*pevlist);
2276
2277 if (!evsel->priv) {
2278 if (scr->per_event_dump) {
2279 evsel->priv = evsel_script__new(evsel, scr->session->data);
2280 } else {
2281 es = zalloc(sizeof(*es));
2282 if (!es)
2283 return -ENOMEM;
2284 es->fp = stdout;
2285 evsel->priv = es;
2286 }
2287 }
2288
2289 if (evsel->core.attr.type >= PERF_TYPE_MAX &&
2290 evsel->core.attr.type != PERF_TYPE_SYNTH)
2291 return 0;
2292
2293 evlist__for_each_entry(evlist, pos) {
2294 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel)
2295 return 0;
2296 }
2297
2298 if (evsel->core.attr.sample_type) {
2299 err = evsel__check_attr(evsel, scr->session);
2300 if (err)
2301 return err;
2302 }
2303
2304 /*
2305 * Check if we need to enable callchains based
2306 * on events sample_type.
2307 */
2308 sample_type = evlist__combined_sample_type(evlist);
2309 callchain_param_setup(sample_type);
2310
2311 /* Enable fields for callchain entries */
2312 if (symbol_conf.use_callchain &&
2313 (sample_type & PERF_SAMPLE_CALLCHAIN ||
2314 sample_type & PERF_SAMPLE_BRANCH_STACK ||
2315 (sample_type & PERF_SAMPLE_REGS_USER &&
2316 sample_type & PERF_SAMPLE_STACK_USER))) {
2317 int type = output_type(evsel->core.attr.type);
2318
2319 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP))
2320 output[type].fields |= PERF_OUTPUT_IP;
2321 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM))
2322 output[type].fields |= PERF_OUTPUT_SYM;
2323 }
2324 set_print_ip_opts(&evsel->core.attr);
2325 return 0;
2326 }
2327
2328 static int print_event_with_time(struct perf_tool *tool,
2329 union perf_event *event,
2330 struct perf_sample *sample,
2331 struct machine *machine,
2332 pid_t pid, pid_t tid, u64 timestamp)
2333 {
2334 struct perf_script *script = container_of(tool, struct perf_script, tool);
2335 struct perf_session *session = script->session;
2336 struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id);
2337 struct thread *thread = NULL;
2338
2339 if (evsel && !evsel->core.attr.sample_id_all) {
2340 sample->cpu = 0;
2341 sample->time = timestamp;
2342 sample->pid = pid;
2343 sample->tid = tid;
2344 }
2345
2346 if (filter_cpu(sample))
2347 return 0;
2348
2349 if (tid != -1)
2350 thread = machine__findnew_thread(machine, pid, tid);
2351
2352 if (evsel) {
2353 perf_sample__fprintf_start(script, sample, thread, evsel,
2354 event->header.type, stdout);
2355 }
2356
2357 perf_event__fprintf(event, machine, stdout);
2358
2359 thread__put(thread);
2360
2361 return 0;
2362 }
2363
2364 static int print_event(struct perf_tool *tool, union perf_event *event,
2365 struct perf_sample *sample, struct machine *machine,
2366 pid_t pid, pid_t tid)
2367 {
2368 return print_event_with_time(tool, event, sample, machine, pid, tid, 0);
2369 }
2370
2371 static int process_comm_event(struct perf_tool *tool,
2372 union perf_event *event,
2373 struct perf_sample *sample,
2374 struct machine *machine)
2375 {
2376 if (perf_event__process_comm(tool, event, sample, machine) < 0)
2377 return -1;
2378
2379 return print_event(tool, event, sample, machine, event->comm.pid,
2380 event->comm.tid);
2381 }
2382
2383 static int process_namespaces_event(struct perf_tool *tool,
2384 union perf_event *event,
2385 struct perf_sample *sample,
2386 struct machine *machine)
2387 {
2388 if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
2389 return -1;
2390
2391 return print_event(tool, event, sample, machine, event->namespaces.pid,
2392 event->namespaces.tid);
2393 }
2394
2395 static int process_cgroup_event(struct perf_tool *tool,
2396 union perf_event *event,
2397 struct perf_sample *sample,
2398 struct machine *machine)
2399 {
2400 if (perf_event__process_cgroup(tool, event, sample, machine) < 0)
2401 return -1;
2402
2403 return print_event(tool, event, sample, machine, sample->pid,
2404 sample->tid);
2405 }
2406
2407 static int process_fork_event(struct perf_tool *tool,
2408 union perf_event *event,
2409 struct perf_sample *sample,
2410 struct machine *machine)
2411 {
2412 if (perf_event__process_fork(tool, event, sample, machine) < 0)
2413 return -1;
2414
2415 return print_event_with_time(tool, event, sample, machine,
2416 event->fork.pid, event->fork.tid,
2417 event->fork.time);
2418 }
2419 static int process_exit_event(struct perf_tool *tool,
2420 union perf_event *event,
2421 struct perf_sample *sample,
2422 struct machine *machine)
2423 {
2424 /* Print before 'exit' deletes anything */
2425 if (print_event_with_time(tool, event, sample, machine, event->fork.pid,
2426 event->fork.tid, event->fork.time))
2427 return -1;
2428
2429 return perf_event__process_exit(tool, event, sample, machine);
2430 }
2431
2432 static int process_mmap_event(struct perf_tool *tool,
2433 union perf_event *event,
2434 struct perf_sample *sample,
2435 struct machine *machine)
2436 {
2437 if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2438 return -1;
2439
2440 return print_event(tool, event, sample, machine, event->mmap.pid,
2441 event->mmap.tid);
2442 }
2443
2444 static int process_mmap2_event(struct perf_tool *tool,
2445 union perf_event *event,
2446 struct perf_sample *sample,
2447 struct machine *machine)
2448 {
2449 if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2450 return -1;
2451
2452 return print_event(tool, event, sample, machine, event->mmap2.pid,
2453 event->mmap2.tid);
2454 }
2455
2456 static int process_switch_event(struct perf_tool *tool,
2457 union perf_event *event,
2458 struct perf_sample *sample,
2459 struct machine *machine)
2460 {
2461 struct perf_script *script = container_of(tool, struct perf_script, tool);
2462
2463 if (perf_event__process_switch(tool, event, sample, machine) < 0)
2464 return -1;
2465
2466 if (scripting_ops && scripting_ops->process_switch)
2467 scripting_ops->process_switch(event, sample, machine);
2468
2469 if (!script->show_switch_events)
2470 return 0;
2471
2472 return print_event(tool, event, sample, machine, sample->pid,
2473 sample->tid);
2474 }
2475
2476 static int process_auxtrace_error(struct perf_session *session,
2477 union perf_event *event)
2478 {
2479 if (scripting_ops && scripting_ops->process_auxtrace_error) {
2480 scripting_ops->process_auxtrace_error(session, event);
2481 return 0;
2482 }
2483
2484 return perf_event__process_auxtrace_error(session, event);
2485 }
2486
2487 static int
2488 process_lost_event(struct perf_tool *tool,
2489 union perf_event *event,
2490 struct perf_sample *sample,
2491 struct machine *machine)
2492 {
2493 return print_event(tool, event, sample, machine, sample->pid,
2494 sample->tid);
2495 }
2496
2497 static int
2498 process_throttle_event(struct perf_tool *tool __maybe_unused,
2499 union perf_event *event,
2500 struct perf_sample *sample,
2501 struct machine *machine)
2502 {
2503 if (scripting_ops && scripting_ops->process_throttle)
2504 scripting_ops->process_throttle(event, sample, machine);
2505 return 0;
2506 }
2507
2508 static int
2509 process_finished_round_event(struct perf_tool *tool __maybe_unused,
2510 union perf_event *event,
2511 struct ordered_events *oe __maybe_unused)
2512
2513 {
2514 perf_event__fprintf(event, NULL, stdout);
2515 return 0;
2516 }
2517
2518 static int
2519 process_bpf_events(struct perf_tool *tool __maybe_unused,
2520 union perf_event *event,
2521 struct perf_sample *sample,
2522 struct machine *machine)
2523 {
2524 if (machine__process_ksymbol(machine, event, sample) < 0)
2525 return -1;
2526
2527 return print_event(tool, event, sample, machine, sample->pid,
2528 sample->tid);
2529 }
2530
2531 static int process_text_poke_events(struct perf_tool *tool,
2532 union perf_event *event,
2533 struct perf_sample *sample,
2534 struct machine *machine)
2535 {
2536 if (perf_event__process_text_poke(tool, event, sample, machine) < 0)
2537 return -1;
2538
2539 return print_event(tool, event, sample, machine, sample->pid,
2540 sample->tid);
2541 }
2542
2543 static void sig_handler(int sig __maybe_unused)
2544 {
2545 session_done = 1;
2546 }
2547
2548 static void perf_script__fclose_per_event_dump(struct perf_script *script)
2549 {
2550 struct evlist *evlist = script->session->evlist;
2551 struct evsel *evsel;
2552
2553 evlist__for_each_entry(evlist, evsel) {
2554 if (!evsel->priv)
2555 break;
2556 evsel_script__delete(evsel->priv);
2557 evsel->priv = NULL;
2558 }
2559 }
2560
2561 static int perf_script__fopen_per_event_dump(struct perf_script *script)
2562 {
2563 struct evsel *evsel;
2564
2565 evlist__for_each_entry(script->session->evlist, evsel) {
2566 /*
2567 * Already setup? I.e. we may be called twice in cases like
2568 * Intel PT, one for the intel_pt// and dummy events, then
2569 * for the evsels synthesized from the auxtrace info.
2570 *
2571 * Ses perf_script__process_auxtrace_info.
2572 */
2573 if (evsel->priv != NULL)
2574 continue;
2575
2576 evsel->priv = evsel_script__new(evsel, script->session->data);
2577 if (evsel->priv == NULL)
2578 goto out_err_fclose;
2579 }
2580
2581 return 0;
2582
2583 out_err_fclose:
2584 perf_script__fclose_per_event_dump(script);
2585 return -1;
2586 }
2587
2588 static int perf_script__setup_per_event_dump(struct perf_script *script)
2589 {
2590 struct evsel *evsel;
2591 static struct evsel_script es_stdout;
2592
2593 if (script->per_event_dump)
2594 return perf_script__fopen_per_event_dump(script);
2595
2596 es_stdout.fp = stdout;
2597
2598 evlist__for_each_entry(script->session->evlist, evsel)
2599 evsel->priv = &es_stdout;
2600
2601 return 0;
2602 }
2603
2604 static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2605 {
2606 struct evsel *evsel;
2607
2608 evlist__for_each_entry(script->session->evlist, evsel) {
2609 struct evsel_script *es = evsel->priv;
2610
2611 evsel_script__fprintf(es, stdout);
2612 evsel_script__delete(es);
2613 evsel->priv = NULL;
2614 }
2615 }
2616
2617 static void perf_script__exit(struct perf_script *script)
2618 {
2619 perf_thread_map__put(script->threads);
2620 perf_cpu_map__put(script->cpus);
2621 }
2622
2623 static int __cmd_script(struct perf_script *script)
2624 {
2625 int ret;
2626
2627 signal(SIGINT, sig_handler);
2628
2629 perf_stat__init_shadow_stats();
2630
2631 /* override event processing functions */
2632 if (script->show_task_events) {
2633 script->tool.comm = process_comm_event;
2634 script->tool.fork = process_fork_event;
2635 script->tool.exit = process_exit_event;
2636 }
2637 if (script->show_mmap_events) {
2638 script->tool.mmap = process_mmap_event;
2639 script->tool.mmap2 = process_mmap2_event;
2640 }
2641 if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch))
2642 script->tool.context_switch = process_switch_event;
2643 if (scripting_ops && scripting_ops->process_auxtrace_error)
2644 script->tool.auxtrace_error = process_auxtrace_error;
2645 if (script->show_namespace_events)
2646 script->tool.namespaces = process_namespaces_event;
2647 if (script->show_cgroup_events)
2648 script->tool.cgroup = process_cgroup_event;
2649 if (script->show_lost_events)
2650 script->tool.lost = process_lost_event;
2651 if (script->show_round_events) {
2652 script->tool.ordered_events = false;
2653 script->tool.finished_round = process_finished_round_event;
2654 }
2655 if (script->show_bpf_events) {
2656 script->tool.ksymbol = process_bpf_events;
2657 script->tool.bpf = process_bpf_events;
2658 }
2659 if (script->show_text_poke_events) {
2660 script->tool.ksymbol = process_bpf_events;
2661 script->tool.text_poke = process_text_poke_events;
2662 }
2663
2664 if (perf_script__setup_per_event_dump(script)) {
2665 pr_err("Couldn't create the per event dump files\n");
2666 return -1;
2667 }
2668
2669 ret = perf_session__process_events(script->session);
2670
2671 if (script->per_event_dump)
2672 perf_script__exit_per_event_dump_stats(script);
2673
2674 if (debug_mode)
2675 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2676
2677 return ret;
2678 }
2679
2680 struct script_spec {
2681 struct list_head node;
2682 struct scripting_ops *ops;
2683 char spec[];
2684 };
2685
2686 static LIST_HEAD(script_specs);
2687
2688 static struct script_spec *script_spec__new(const char *spec,
2689 struct scripting_ops *ops)
2690 {
2691 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2692
2693 if (s != NULL) {
2694 strcpy(s->spec, spec);
2695 s->ops = ops;
2696 }
2697
2698 return s;
2699 }
2700
2701 static void script_spec__add(struct script_spec *s)
2702 {
2703 list_add_tail(&s->node, &script_specs);
2704 }
2705
2706 static struct script_spec *script_spec__find(const char *spec)
2707 {
2708 struct script_spec *s;
2709
2710 list_for_each_entry(s, &script_specs, node)
2711 if (strcasecmp(s->spec, spec) == 0)
2712 return s;
2713 return NULL;
2714 }
2715
2716 int script_spec_register(const char *spec, struct scripting_ops *ops)
2717 {
2718 struct script_spec *s;
2719
2720 s = script_spec__find(spec);
2721 if (s)
2722 return -1;
2723
2724 s = script_spec__new(spec, ops);
2725 if (!s)
2726 return -1;
2727 else
2728 script_spec__add(s);
2729
2730 return 0;
2731 }
2732
2733 static struct scripting_ops *script_spec__lookup(const char *spec)
2734 {
2735 struct script_spec *s = script_spec__find(spec);
2736 if (!s)
2737 return NULL;
2738
2739 return s->ops;
2740 }
2741
2742 static void list_available_languages(void)
2743 {
2744 struct script_spec *s;
2745
2746 fprintf(stderr, "\n");
2747 fprintf(stderr, "Scripting language extensions (used in "
2748 "perf script -s [spec:]script.[spec]):\n\n");
2749
2750 list_for_each_entry(s, &script_specs, node)
2751 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name);
2752
2753 fprintf(stderr, "\n");
2754 }
2755
2756 /* Find script file relative to current directory or exec path */
2757 static char *find_script(const char *script)
2758 {
2759 char path[PATH_MAX];
2760
2761 if (!scripting_ops) {
2762 const char *ext = strrchr(script, '.');
2763
2764 if (!ext)
2765 return NULL;
2766
2767 scripting_ops = script_spec__lookup(++ext);
2768 if (!scripting_ops)
2769 return NULL;
2770 }
2771
2772 if (access(script, R_OK)) {
2773 char *exec_path = get_argv_exec_path();
2774
2775 if (!exec_path)
2776 return NULL;
2777 snprintf(path, sizeof(path), "%s/scripts/%s/%s",
2778 exec_path, scripting_ops->dirname, script);
2779 free(exec_path);
2780 script = path;
2781 if (access(script, R_OK))
2782 return NULL;
2783 }
2784 return strdup(script);
2785 }
2786
2787 static int parse_scriptname(const struct option *opt __maybe_unused,
2788 const char *str, int unset __maybe_unused)
2789 {
2790 char spec[PATH_MAX];
2791 const char *script, *ext;
2792 int len;
2793
2794 if (strcmp(str, "lang") == 0) {
2795 list_available_languages();
2796 exit(0);
2797 }
2798
2799 script = strchr(str, ':');
2800 if (script) {
2801 len = script - str;
2802 if (len >= PATH_MAX) {
2803 fprintf(stderr, "invalid language specifier");
2804 return -1;
2805 }
2806 strncpy(spec, str, len);
2807 spec[len] = '\0';
2808 scripting_ops = script_spec__lookup(spec);
2809 if (!scripting_ops) {
2810 fprintf(stderr, "invalid language specifier");
2811 return -1;
2812 }
2813 script++;
2814 } else {
2815 script = str;
2816 ext = strrchr(script, '.');
2817 if (!ext) {
2818 fprintf(stderr, "invalid script extension");
2819 return -1;
2820 }
2821 scripting_ops = script_spec__lookup(++ext);
2822 if (!scripting_ops) {
2823 fprintf(stderr, "invalid script extension");
2824 return -1;
2825 }
2826 }
2827
2828 script_name = find_script(script);
2829 if (!script_name)
2830 script_name = strdup(script);
2831
2832 return 0;
2833 }
2834
2835 static int parse_output_fields(const struct option *opt __maybe_unused,
2836 const char *arg, int unset __maybe_unused)
2837 {
2838 char *tok, *strtok_saveptr = NULL;
2839 int i, imax = ARRAY_SIZE(all_output_options);
2840 int j;
2841 int rc = 0;
2842 char *str = strdup(arg);
2843 int type = -1;
2844 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
2845
2846 if (!str)
2847 return -ENOMEM;
2848
2849 /* first word can state for which event type the user is specifying
2850 * the fields. If no type exists, the specified fields apply to all
2851 * event types found in the file minus the invalid fields for a type.
2852 */
2853 tok = strchr(str, ':');
2854 if (tok) {
2855 *tok = '\0';
2856 tok++;
2857 if (!strcmp(str, "hw"))
2858 type = PERF_TYPE_HARDWARE;
2859 else if (!strcmp(str, "sw"))
2860 type = PERF_TYPE_SOFTWARE;
2861 else if (!strcmp(str, "trace"))
2862 type = PERF_TYPE_TRACEPOINT;
2863 else if (!strcmp(str, "raw"))
2864 type = PERF_TYPE_RAW;
2865 else if (!strcmp(str, "break"))
2866 type = PERF_TYPE_BREAKPOINT;
2867 else if (!strcmp(str, "synth"))
2868 type = OUTPUT_TYPE_SYNTH;
2869 else {
2870 fprintf(stderr, "Invalid event type in field string.\n");
2871 rc = -EINVAL;
2872 goto out;
2873 }
2874
2875 if (output[type].user_set)
2876 pr_warning("Overriding previous field request for %s events.\n",
2877 event_type(type));
2878
2879 /* Don't override defaults for +- */
2880 if (strchr(tok, '+') || strchr(tok, '-'))
2881 goto parse;
2882
2883 output[type].fields = 0;
2884 output[type].user_set = true;
2885 output[type].wildcard_set = false;
2886
2887 } else {
2888 tok = str;
2889 if (strlen(str) == 0) {
2890 fprintf(stderr,
2891 "Cannot set fields to 'none' for all event types.\n");
2892 rc = -EINVAL;
2893 goto out;
2894 }
2895
2896 /* Don't override defaults for +- */
2897 if (strchr(str, '+') || strchr(str, '-'))
2898 goto parse;
2899
2900 if (output_set_by_user())
2901 pr_warning("Overriding previous field request for all events.\n");
2902
2903 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2904 output[j].fields = 0;
2905 output[j].user_set = true;
2906 output[j].wildcard_set = true;
2907 }
2908 }
2909
2910 parse:
2911 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
2912 if (*tok == '+') {
2913 if (change == SET)
2914 goto out_badmix;
2915 change = ADD;
2916 tok++;
2917 } else if (*tok == '-') {
2918 if (change == SET)
2919 goto out_badmix;
2920 change = REMOVE;
2921 tok++;
2922 } else {
2923 if (change != SET && change != DEFAULT)
2924 goto out_badmix;
2925 change = SET;
2926 }
2927
2928 for (i = 0; i < imax; ++i) {
2929 if (strcmp(tok, all_output_options[i].str) == 0)
2930 break;
2931 }
2932 if (i == imax && strcmp(tok, "flags") == 0) {
2933 print_flags = change != REMOVE;
2934 continue;
2935 }
2936 if (i == imax) {
2937 fprintf(stderr, "Invalid field requested.\n");
2938 rc = -EINVAL;
2939 goto out;
2940 }
2941
2942 if (type == -1) {
2943 /* add user option to all events types for
2944 * which it is valid
2945 */
2946 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2947 if (output[j].invalid_fields & all_output_options[i].field) {
2948 pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
2949 all_output_options[i].str, event_type(j));
2950 } else {
2951 if (change == REMOVE) {
2952 output[j].fields &= ~all_output_options[i].field;
2953 output[j].user_set_fields &= ~all_output_options[i].field;
2954 output[j].user_unset_fields |= all_output_options[i].field;
2955 } else {
2956 output[j].fields |= all_output_options[i].field;
2957 output[j].user_set_fields |= all_output_options[i].field;
2958 output[j].user_unset_fields &= ~all_output_options[i].field;
2959 }
2960 output[j].user_set = true;
2961 output[j].wildcard_set = true;
2962 }
2963 }
2964 } else {
2965 if (output[type].invalid_fields & all_output_options[i].field) {
2966 fprintf(stderr, "\'%s\' not valid for %s events.\n",
2967 all_output_options[i].str, event_type(type));
2968
2969 rc = -EINVAL;
2970 goto out;
2971 }
2972 if (change == REMOVE)
2973 output[type].fields &= ~all_output_options[i].field;
2974 else
2975 output[type].fields |= all_output_options[i].field;
2976 output[type].user_set = true;
2977 output[type].wildcard_set = true;
2978 }
2979 }
2980
2981 if (type >= 0) {
2982 if (output[type].fields == 0) {
2983 pr_debug("No fields requested for %s type. "
2984 "Events will not be displayed.\n", event_type(type));
2985 }
2986 }
2987 goto out;
2988
2989 out_badmix:
2990 fprintf(stderr, "Cannot mix +-field with overridden fields\n");
2991 rc = -EINVAL;
2992 out:
2993 free(str);
2994 return rc;
2995 }
2996
2997 #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \
2998 while ((lang_dirent = readdir(scripts_dir)) != NULL) \
2999 if ((lang_dirent->d_type == DT_DIR || \
3000 (lang_dirent->d_type == DT_UNKNOWN && \
3001 is_directory(scripts_path, lang_dirent))) && \
3002 (strcmp(lang_dirent->d_name, ".")) && \
3003 (strcmp(lang_dirent->d_name, "..")))
3004
3005 #define for_each_script(lang_path, lang_dir, script_dirent) \
3006 while ((script_dirent = readdir(lang_dir)) != NULL) \
3007 if (script_dirent->d_type != DT_DIR && \
3008 (script_dirent->d_type != DT_UNKNOWN || \
3009 !is_directory(lang_path, script_dirent)))
3010
3011
3012 #define RECORD_SUFFIX "-record"
3013 #define REPORT_SUFFIX "-report"
3014
3015 struct script_desc {
3016 struct list_head node;
3017 char *name;
3018 char *half_liner;
3019 char *args;
3020 };
3021
3022 static LIST_HEAD(script_descs);
3023
3024 static struct script_desc *script_desc__new(const char *name)
3025 {
3026 struct script_desc *s = zalloc(sizeof(*s));
3027
3028 if (s != NULL && name)
3029 s->name = strdup(name);
3030
3031 return s;
3032 }
3033
3034 static void script_desc__delete(struct script_desc *s)
3035 {
3036 zfree(&s->name);
3037 zfree(&s->half_liner);
3038 zfree(&s->args);
3039 free(s);
3040 }
3041
3042 static void script_desc__add(struct script_desc *s)
3043 {
3044 list_add_tail(&s->node, &script_descs);
3045 }
3046
3047 static struct script_desc *script_desc__find(const char *name)
3048 {
3049 struct script_desc *s;
3050
3051 list_for_each_entry(s, &script_descs, node)
3052 if (strcasecmp(s->name, name) == 0)
3053 return s;
3054 return NULL;
3055 }
3056
3057 static struct script_desc *script_desc__findnew(const char *name)
3058 {
3059 struct script_desc *s = script_desc__find(name);
3060
3061 if (s)
3062 return s;
3063
3064 s = script_desc__new(name);
3065 if (!s)
3066 return NULL;
3067
3068 script_desc__add(s);
3069
3070 return s;
3071 }
3072
3073 static const char *ends_with(const char *str, const char *suffix)
3074 {
3075 size_t suffix_len = strlen(suffix);
3076 const char *p = str;
3077
3078 if (strlen(str) > suffix_len) {
3079 p = str + strlen(str) - suffix_len;
3080 if (!strncmp(p, suffix, suffix_len))
3081 return p;
3082 }
3083
3084 return NULL;
3085 }
3086
3087 static int read_script_info(struct script_desc *desc, const char *filename)
3088 {
3089 char line[BUFSIZ], *p;
3090 FILE *fp;
3091
3092 fp = fopen(filename, "r");
3093 if (!fp)
3094 return -1;
3095
3096 while (fgets(line, sizeof(line), fp)) {
3097 p = skip_spaces(line);
3098 if (strlen(p) == 0)
3099 continue;
3100 if (*p != '#')
3101 continue;
3102 p++;
3103 if (strlen(p) && *p == '!')
3104 continue;
3105
3106 p = skip_spaces(p);
3107 if (strlen(p) && p[strlen(p) - 1] == '\n')
3108 p[strlen(p) - 1] = '\0';
3109
3110 if (!strncmp(p, "description:", strlen("description:"))) {
3111 p += strlen("description:");
3112 desc->half_liner = strdup(skip_spaces(p));
3113 continue;
3114 }
3115
3116 if (!strncmp(p, "args:", strlen("args:"))) {
3117 p += strlen("args:");
3118 desc->args = strdup(skip_spaces(p));
3119 continue;
3120 }
3121 }
3122
3123 fclose(fp);
3124
3125 return 0;
3126 }
3127
3128 static char *get_script_root(struct dirent *script_dirent, const char *suffix)
3129 {
3130 char *script_root, *str;
3131
3132 script_root = strdup(script_dirent->d_name);
3133 if (!script_root)
3134 return NULL;
3135
3136 str = (char *)ends_with(script_root, suffix);
3137 if (!str) {
3138 free(script_root);
3139 return NULL;
3140 }
3141
3142 *str = '\0';
3143 return script_root;
3144 }
3145
3146 static int list_available_scripts(const struct option *opt __maybe_unused,
3147 const char *s __maybe_unused,
3148 int unset __maybe_unused)
3149 {
3150 struct dirent *script_dirent, *lang_dirent;
3151 char scripts_path[MAXPATHLEN];
3152 DIR *scripts_dir, *lang_dir;
3153 char script_path[MAXPATHLEN];
3154 char lang_path[MAXPATHLEN];
3155 struct script_desc *desc;
3156 char first_half[BUFSIZ];
3157 char *script_root;
3158
3159 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3160
3161 scripts_dir = opendir(scripts_path);
3162 if (!scripts_dir) {
3163 fprintf(stdout,
3164 "open(%s) failed.\n"
3165 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
3166 scripts_path);
3167 exit(-1);
3168 }
3169
3170 for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3171 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3172 lang_dirent->d_name);
3173 lang_dir = opendir(lang_path);
3174 if (!lang_dir)
3175 continue;
3176
3177 for_each_script(lang_path, lang_dir, script_dirent) {
3178 script_root = get_script_root(script_dirent, REPORT_SUFFIX);
3179 if (script_root) {
3180 desc = script_desc__findnew(script_root);
3181 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3182 lang_path, script_dirent->d_name);
3183 read_script_info(desc, script_path);
3184 free(script_root);
3185 }
3186 }
3187 }
3188
3189 fprintf(stdout, "List of available trace scripts:\n");
3190 list_for_each_entry(desc, &script_descs, node) {
3191 sprintf(first_half, "%s %s", desc->name,
3192 desc->args ? desc->args : "");
3193 fprintf(stdout, " %-36s %s\n", first_half,
3194 desc->half_liner ? desc->half_liner : "");
3195 }
3196
3197 exit(0);
3198 }
3199
3200 static int add_dlarg(const struct option *opt __maybe_unused,
3201 const char *s, int unset __maybe_unused)
3202 {
3203 char *arg = strdup(s);
3204 void *a;
3205
3206 if (!arg)
3207 return -1;
3208
3209 a = realloc(dlargv, sizeof(dlargv[0]) * (dlargc + 1));
3210 if (!a) {
3211 free(arg);
3212 return -1;
3213 }
3214
3215 dlargv = a;
3216 dlargv[dlargc++] = arg;
3217
3218 return 0;
3219 }
3220
3221 static void free_dlarg(void)
3222 {
3223 while (dlargc--)
3224 free(dlargv[dlargc]);
3225 free(dlargv);
3226 }
3227
3228 /*
3229 * Some scripts specify the required events in their "xxx-record" file,
3230 * this function will check if the events in perf.data match those
3231 * mentioned in the "xxx-record".
3232 *
3233 * Fixme: All existing "xxx-record" are all in good formats "-e event ",
3234 * which is covered well now. And new parsing code should be added to
3235 * cover the future complex formats like event groups etc.
3236 */
3237 static int check_ev_match(char *dir_name, char *scriptname,
3238 struct perf_session *session)
3239 {
3240 char filename[MAXPATHLEN], evname[128];
3241 char line[BUFSIZ], *p;
3242 struct evsel *pos;
3243 int match, len;
3244 FILE *fp;
3245
3246 scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
3247
3248 fp = fopen(filename, "r");
3249 if (!fp)
3250 return -1;
3251
3252 while (fgets(line, sizeof(line), fp)) {
3253 p = skip_spaces(line);
3254 if (*p == '#')
3255 continue;
3256
3257 while (strlen(p)) {
3258 p = strstr(p, "-e");
3259 if (!p)
3260 break;
3261
3262 p += 2;
3263 p = skip_spaces(p);
3264 len = strcspn(p, " \t");
3265 if (!len)
3266 break;
3267
3268 snprintf(evname, len + 1, "%s", p);
3269
3270 match = 0;
3271 evlist__for_each_entry(session->evlist, pos) {
3272 if (!strcmp(evsel__name(pos), evname)) {
3273 match = 1;
3274 break;
3275 }
3276 }
3277
3278 if (!match) {
3279 fclose(fp);
3280 return -1;
3281 }
3282 }
3283 }
3284
3285 fclose(fp);
3286 return 0;
3287 }
3288
3289 /*
3290 * Return -1 if none is found, otherwise the actual scripts number.
3291 *
3292 * Currently the only user of this function is the script browser, which
3293 * will list all statically runnable scripts, select one, execute it and
3294 * show the output in a perf browser.
3295 */
3296 int find_scripts(char **scripts_array, char **scripts_path_array, int num,
3297 int pathlen)
3298 {
3299 struct dirent *script_dirent, *lang_dirent;
3300 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
3301 DIR *scripts_dir, *lang_dir;
3302 struct perf_session *session;
3303 struct perf_data data = {
3304 .path = input_name,
3305 .mode = PERF_DATA_MODE_READ,
3306 };
3307 char *temp;
3308 int i = 0;
3309
3310 session = perf_session__new(&data, NULL);
3311 if (IS_ERR(session))
3312 return PTR_ERR(session);
3313
3314 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3315
3316 scripts_dir = opendir(scripts_path);
3317 if (!scripts_dir) {
3318 perf_session__delete(session);
3319 return -1;
3320 }
3321
3322 for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3323 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
3324 lang_dirent->d_name);
3325 #ifndef HAVE_LIBPERL_SUPPORT
3326 if (strstr(lang_path, "perl"))
3327 continue;
3328 #endif
3329 #ifndef HAVE_LIBPYTHON_SUPPORT
3330 if (strstr(lang_path, "python"))
3331 continue;
3332 #endif
3333
3334 lang_dir = opendir(lang_path);
3335 if (!lang_dir)
3336 continue;
3337
3338 for_each_script(lang_path, lang_dir, script_dirent) {
3339 /* Skip those real time scripts: xxxtop.p[yl] */
3340 if (strstr(script_dirent->d_name, "top."))
3341 continue;
3342 if (i >= num)
3343 break;
3344 snprintf(scripts_path_array[i], pathlen, "%s/%s",
3345 lang_path,
3346 script_dirent->d_name);
3347 temp = strchr(script_dirent->d_name, '.');
3348 snprintf(scripts_array[i],
3349 (temp - script_dirent->d_name) + 1,
3350 "%s", script_dirent->d_name);
3351
3352 if (check_ev_match(lang_path,
3353 scripts_array[i], session))
3354 continue;
3355
3356 i++;
3357 }
3358 closedir(lang_dir);
3359 }
3360
3361 closedir(scripts_dir);
3362 perf_session__delete(session);
3363 return i;
3364 }
3365
3366 static char *get_script_path(const char *script_root, const char *suffix)
3367 {
3368 struct dirent *script_dirent, *lang_dirent;
3369 char scripts_path[MAXPATHLEN];
3370 char script_path[MAXPATHLEN];
3371 DIR *scripts_dir, *lang_dir;
3372 char lang_path[MAXPATHLEN];
3373 char *__script_root;
3374
3375 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3376
3377 scripts_dir = opendir(scripts_path);
3378 if (!scripts_dir)
3379 return NULL;
3380
3381 for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3382 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3383 lang_dirent->d_name);
3384 lang_dir = opendir(lang_path);
3385 if (!lang_dir)
3386 continue;
3387
3388 for_each_script(lang_path, lang_dir, script_dirent) {
3389 __script_root = get_script_root(script_dirent, suffix);
3390 if (__script_root && !strcmp(script_root, __script_root)) {
3391 free(__script_root);
3392 closedir(scripts_dir);
3393 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3394 lang_path, script_dirent->d_name);
3395 closedir(lang_dir);
3396 return strdup(script_path);
3397 }
3398 free(__script_root);
3399 }
3400 closedir(lang_dir);
3401 }
3402 closedir(scripts_dir);
3403
3404 return NULL;
3405 }
3406
3407 static bool is_top_script(const char *script_path)
3408 {
3409 return ends_with(script_path, "top") != NULL;
3410 }
3411
3412 static int has_required_arg(char *script_path)
3413 {
3414 struct script_desc *desc;
3415 int n_args = 0;
3416 char *p;
3417
3418 desc = script_desc__new(NULL);
3419
3420 if (read_script_info(desc, script_path))
3421 goto out;
3422
3423 if (!desc->args)
3424 goto out;
3425
3426 for (p = desc->args; *p; p++)
3427 if (*p == '<')
3428 n_args++;
3429 out:
3430 script_desc__delete(desc);
3431
3432 return n_args;
3433 }
3434
3435 static int have_cmd(int argc, const char **argv)
3436 {
3437 char **__argv = malloc(sizeof(const char *) * argc);
3438
3439 if (!__argv) {
3440 pr_err("malloc failed\n");
3441 return -1;
3442 }
3443
3444 memcpy(__argv, argv, sizeof(const char *) * argc);
3445 argc = parse_options(argc, (const char **)__argv, record_options,
3446 NULL, PARSE_OPT_STOP_AT_NON_OPTION);
3447 free(__argv);
3448
3449 system_wide = (argc == 0);
3450
3451 return 0;
3452 }
3453
3454 static void script__setup_sample_type(struct perf_script *script)
3455 {
3456 struct perf_session *session = script->session;
3457 u64 sample_type = evlist__combined_sample_type(session->evlist);
3458
3459 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
3460 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
3461 (sample_type & PERF_SAMPLE_STACK_USER)) {
3462 callchain_param.record_mode = CALLCHAIN_DWARF;
3463 dwarf_callchain_users = true;
3464 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
3465 callchain_param.record_mode = CALLCHAIN_LBR;
3466 else
3467 callchain_param.record_mode = CALLCHAIN_FP;
3468 }
3469
3470 if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) {
3471 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
3472 "Please apply --call-graph lbr when recording.\n");
3473 script->stitch_lbr = false;
3474 }
3475 }
3476
3477 static int process_stat_round_event(struct perf_session *session,
3478 union perf_event *event)
3479 {
3480 struct perf_record_stat_round *round = &event->stat_round;
3481 struct evsel *counter;
3482
3483 evlist__for_each_entry(session->evlist, counter) {
3484 perf_stat_process_counter(&stat_config, counter);
3485 process_stat(counter, round->time);
3486 }
3487
3488 process_stat_interval(round->time);
3489 return 0;
3490 }
3491
3492 static int process_stat_config_event(struct perf_session *session __maybe_unused,
3493 union perf_event *event)
3494 {
3495 perf_event__read_stat_config(&stat_config, &event->stat_config);
3496 return 0;
3497 }
3498
3499 static int set_maps(struct perf_script *script)
3500 {
3501 struct evlist *evlist = script->session->evlist;
3502
3503 if (!script->cpus || !script->threads)
3504 return 0;
3505
3506 if (WARN_ONCE(script->allocated, "stats double allocation\n"))
3507 return -EINVAL;
3508
3509 perf_evlist__set_maps(&evlist->core, script->cpus, script->threads);
3510
3511 if (evlist__alloc_stats(evlist, true))
3512 return -ENOMEM;
3513
3514 script->allocated = true;
3515 return 0;
3516 }
3517
3518 static
3519 int process_thread_map_event(struct perf_session *session,
3520 union perf_event *event)
3521 {
3522 struct perf_tool *tool = session->tool;
3523 struct perf_script *script = container_of(tool, struct perf_script, tool);
3524
3525 if (script->threads) {
3526 pr_warning("Extra thread map event, ignoring.\n");
3527 return 0;
3528 }
3529
3530 script->threads = thread_map__new_event(&event->thread_map);
3531 if (!script->threads)
3532 return -ENOMEM;
3533
3534 return set_maps(script);
3535 }
3536
3537 static
3538 int process_cpu_map_event(struct perf_session *session,
3539 union perf_event *event)
3540 {
3541 struct perf_tool *tool = session->tool;
3542 struct perf_script *script = container_of(tool, struct perf_script, tool);
3543
3544 if (script->cpus) {
3545 pr_warning("Extra cpu map event, ignoring.\n");
3546 return 0;
3547 }
3548
3549 script->cpus = cpu_map__new_data(&event->cpu_map.data);
3550 if (!script->cpus)
3551 return -ENOMEM;
3552
3553 return set_maps(script);
3554 }
3555
3556 static int process_feature_event(struct perf_session *session,
3557 union perf_event *event)
3558 {
3559 if (event->feat.feat_id < HEADER_LAST_FEATURE)
3560 return perf_event__process_feature(session, event);
3561 return 0;
3562 }
3563
3564 #ifdef HAVE_AUXTRACE_SUPPORT
3565 static int perf_script__process_auxtrace_info(struct perf_session *session,
3566 union perf_event *event)
3567 {
3568 struct perf_tool *tool = session->tool;
3569
3570 int ret = perf_event__process_auxtrace_info(session, event);
3571
3572 if (ret == 0) {
3573 struct perf_script *script = container_of(tool, struct perf_script, tool);
3574
3575 ret = perf_script__setup_per_event_dump(script);
3576 }
3577
3578 return ret;
3579 }
3580 #else
3581 #define perf_script__process_auxtrace_info 0
3582 #endif
3583
3584 static int parse_insn_trace(const struct option *opt __maybe_unused,
3585 const char *str __maybe_unused,
3586 int unset __maybe_unused)
3587 {
3588 parse_output_fields(NULL, "+insn,-event,-period", 0);
3589 itrace_parse_synth_opts(opt, "i0ns", 0);
3590 symbol_conf.nanosecs = true;
3591 return 0;
3592 }
3593
3594 static int parse_xed(const struct option *opt __maybe_unused,
3595 const char *str __maybe_unused,
3596 int unset __maybe_unused)
3597 {
3598 if (isatty(1))
3599 force_pager("xed -F insn: -A -64 | less");
3600 else
3601 force_pager("xed -F insn: -A -64");
3602 return 0;
3603 }
3604
3605 static int parse_call_trace(const struct option *opt __maybe_unused,
3606 const char *str __maybe_unused,
3607 int unset __maybe_unused)
3608 {
3609 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
3610 itrace_parse_synth_opts(opt, "cewp", 0);
3611 symbol_conf.nanosecs = true;
3612 symbol_conf.pad_output_len_dso = 50;
3613 return 0;
3614 }
3615
3616 static int parse_callret_trace(const struct option *opt __maybe_unused,
3617 const char *str __maybe_unused,
3618 int unset __maybe_unused)
3619 {
3620 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
3621 itrace_parse_synth_opts(opt, "crewp", 0);
3622 symbol_conf.nanosecs = true;
3623 return 0;
3624 }
3625
3626 int cmd_script(int argc, const char **argv)
3627 {
3628 bool show_full_info = false;
3629 bool header = false;
3630 bool header_only = false;
3631 bool script_started = false;
3632 char *rec_script_path = NULL;
3633 char *rep_script_path = NULL;
3634 struct perf_session *session;
3635 struct itrace_synth_opts itrace_synth_opts = {
3636 .set = false,
3637 .default_no_sample = true,
3638 };
3639 struct utsname uts;
3640 char *script_path = NULL;
3641 const char *dlfilter_file = NULL;
3642 const char **__argv;
3643 int i, j, err = 0;
3644 struct perf_script script = {
3645 .tool = {
3646 .sample = process_sample_event,
3647 .mmap = perf_event__process_mmap,
3648 .mmap2 = perf_event__process_mmap2,
3649 .comm = perf_event__process_comm,
3650 .namespaces = perf_event__process_namespaces,
3651 .cgroup = perf_event__process_cgroup,
3652 .exit = perf_event__process_exit,
3653 .fork = perf_event__process_fork,
3654 .attr = process_attr,
3655 .event_update = perf_event__process_event_update,
3656 .tracing_data = perf_event__process_tracing_data,
3657 .feature = process_feature_event,
3658 .build_id = perf_event__process_build_id,
3659 .id_index = perf_event__process_id_index,
3660 .auxtrace_info = perf_script__process_auxtrace_info,
3661 .auxtrace = perf_event__process_auxtrace,
3662 .auxtrace_error = perf_event__process_auxtrace_error,
3663 .stat = perf_event__process_stat_event,
3664 .stat_round = process_stat_round_event,
3665 .stat_config = process_stat_config_event,
3666 .thread_map = process_thread_map_event,
3667 .cpu_map = process_cpu_map_event,
3668 .throttle = process_throttle_event,
3669 .unthrottle = process_throttle_event,
3670 .ordered_events = true,
3671 .ordering_requires_timestamps = true,
3672 },
3673 };
3674 struct perf_data data = {
3675 .mode = PERF_DATA_MODE_READ,
3676 };
3677 const struct option options[] = {
3678 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3679 "dump raw trace in ASCII"),
3680 OPT_INCR('v', "verbose", &verbose,
3681 "be more verbose (show symbol address, etc)"),
3682 OPT_BOOLEAN('L', "Latency", &latency_format,
3683 "show latency attributes (irqs/preemption disabled, etc)"),
3684 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3685 list_available_scripts),
3686 OPT_CALLBACK_NOOPT(0, "list-dlfilters", NULL, NULL, "list available dlfilters",
3687 list_available_dlfilters),
3688 OPT_CALLBACK('s', "script", NULL, "name",
3689 "script file name (lang:script name, script name, or *)",
3690 parse_scriptname),
3691 OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3692 "generate perf-script.xx script in specified language"),
3693 OPT_STRING(0, "dlfilter", &dlfilter_file, "file", "filter .so file name"),
3694 OPT_CALLBACK(0, "dlarg", NULL, "argument", "filter argument",
3695 add_dlarg),
3696 OPT_STRING('i', "input", &input_name, "file", "input file name"),
3697 OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3698 "do various checks like samples ordering and lost events"),
3699 OPT_BOOLEAN(0, "header", &header, "Show data header."),
3700 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3701 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3702 "file", "vmlinux pathname"),
3703 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3704 "file", "kallsyms pathname"),
3705 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3706 "When printing symbols do not display call chain"),
3707 OPT_CALLBACK(0, "symfs", NULL, "directory",
3708 "Look for files with symbols relative to this directory",
3709 symbol__config_symfs),
3710 OPT_CALLBACK('F', "fields", NULL, "str",
3711 "comma separated output fields prepend with 'type:'. "
3712 "+field to add and -field to remove."
3713 "Valid types: hw,sw,trace,raw,synth. "
3714 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
3715 "addr,symoff,srcline,period,iregs,uregs,brstack,"
3716 "brstacksym,flags,bpf-output,brstackinsn,brstackoff,"
3717 "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc,tod,"
3718 "data_page_size,code_page_size",
3719 parse_output_fields),
3720 OPT_BOOLEAN('a', "all-cpus", &system_wide,
3721 "system-wide collection from all CPUs"),
3722 OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
3723 "only consider symbols in these DSOs"),
3724 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3725 "only consider these symbols"),
3726 OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range,
3727 "Use with -S to list traced records within address range"),
3728 OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL,
3729 "Decode instructions from itrace", parse_insn_trace),
3730 OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
3731 "Run xed disassembler on output", parse_xed),
3732 OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
3733 "Decode calls from from itrace", parse_call_trace),
3734 OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
3735 "Decode calls and returns from itrace", parse_callret_trace),
3736 OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",
3737 "Only print symbols and callees with --call-trace/--call-ret-trace"),
3738 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3739 "Stop display of callgraph at these symbols"),
3740 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3741 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3742 "only display events for these comms"),
3743 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3744 "only consider symbols in these pids"),
3745 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3746 "only consider symbols in these tids"),
3747 OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3748 "Set the maximum stack depth when parsing the callchain, "
3749 "anything beyond the specified depth will be ignored. "
3750 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3751 OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"),
3752 OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"),
3753 OPT_BOOLEAN('I', "show-info", &show_full_info,
3754 "display extended information from perf.data file"),
3755 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3756 "Show the path of [kernel.kallsyms]"),
3757 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3758 "Show the fork/comm/exit events"),
3759 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3760 "Show the mmap events"),
3761 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3762 "Show context switch events (if recorded)"),
3763 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3764 "Show namespace events (if recorded)"),
3765 OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events,
3766 "Show cgroup events (if recorded)"),
3767 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3768 "Show lost events (if recorded)"),
3769 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3770 "Show round events (if recorded)"),
3771 OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events,
3772 "Show bpf related events (if recorded)"),
3773 OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events,
3774 "Show text poke related events (if recorded)"),
3775 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
3776 "Dump trace output to files named by the monitored events"),
3777 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3778 OPT_INTEGER(0, "max-blocks", &max_blocks,
3779 "Maximum number of code blocks to dump with brstackinsn"),
3780 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs,
3781 "Use 9 decimal places when displaying time"),
3782 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
3783 "Instruction Tracing options\n" ITRACE_HELP,
3784 itrace_parse_synth_opts),
3785 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
3786 "Show full source file name path for source lines"),
3787 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
3788 "Enable symbol demangling"),
3789 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
3790 "Enable kernel symbol demangling"),
3791 OPT_STRING(0, "time", &script.time_str, "str",
3792 "Time span of interest (start,stop)"),
3793 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
3794 "Show inline function"),
3795 OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
3796 "guest mount directory under which every guest os"
3797 " instance has a subdir"),
3798 OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name,
3799 "file", "file saving guest os vmlinux"),
3800 OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms,
3801 "file", "file saving guest os /proc/kallsyms"),
3802 OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
3803 "file", "file saving guest os /proc/modules"),
3804 OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr,
3805 "Enable LBR callgraph stitching approach"),
3806 OPTS_EVSWITCH(&script.evswitch),
3807 OPT_END()
3808 };
3809 const char * const script_subcommands[] = { "record", "report", NULL };
3810 const char *script_usage[] = {
3811 "perf script [<options>]",
3812 "perf script [<options>] record <script> [<record-options>] <command>",
3813 "perf script [<options>] report <script> [script-args]",
3814 "perf script [<options>] <script> [<record-options>] <command>",
3815 "perf script [<options>] <top-script> [script-args]",
3816 NULL
3817 };
3818
3819 perf_set_singlethreaded();
3820
3821 setup_scripting();
3822
3823 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3824 PARSE_OPT_STOP_AT_NON_OPTION);
3825
3826 if (symbol_conf.guestmount ||
3827 symbol_conf.default_guest_vmlinux_name ||
3828 symbol_conf.default_guest_kallsyms ||
3829 symbol_conf.default_guest_modules) {
3830 /*
3831 * Enable guest sample processing.
3832 */
3833 perf_guest = true;
3834 }
3835
3836 data.path = input_name;
3837 data.force = symbol_conf.force;
3838
3839 if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
3840 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
3841 if (!rec_script_path)
3842 return cmd_record(argc, argv);
3843 }
3844
3845 if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
3846 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
3847 if (!rep_script_path) {
3848 fprintf(stderr,
3849 "Please specify a valid report script"
3850 "(see 'perf script -l' for listing)\n");
3851 return -1;
3852 }
3853 }
3854
3855 if (reltime && deltatime) {
3856 fprintf(stderr,
3857 "reltime and deltatime - the two don't get along well. "
3858 "Please limit to --reltime or --deltatime.\n");
3859 return -1;
3860 }
3861
3862 if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) &&
3863 itrace_synth_opts.callchain_sz > scripting_max_stack)
3864 scripting_max_stack = itrace_synth_opts.callchain_sz;
3865
3866 /* make sure PERF_EXEC_PATH is set for scripts */
3867 set_argv_exec_path(get_argv_exec_path());
3868
3869 if (argc && !script_name && !rec_script_path && !rep_script_path) {
3870 int live_pipe[2];
3871 int rep_args;
3872 pid_t pid;
3873
3874 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
3875 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
3876
3877 if (!rec_script_path && !rep_script_path) {
3878 script_name = find_script(argv[0]);
3879 if (script_name) {
3880 argc -= 1;
3881 argv += 1;
3882 goto script_found;
3883 }
3884 usage_with_options_msg(script_usage, options,
3885 "Couldn't find script `%s'\n\n See perf"
3886 " script -l for available scripts.\n", argv[0]);
3887 }
3888
3889 if (is_top_script(argv[0])) {
3890 rep_args = argc - 1;
3891 } else {
3892 int rec_args;
3893
3894 rep_args = has_required_arg(rep_script_path);
3895 rec_args = (argc - 1) - rep_args;
3896 if (rec_args < 0) {
3897 usage_with_options_msg(script_usage, options,
3898 "`%s' script requires options."
3899 "\n\n See perf script -l for available "
3900 "scripts and options.\n", argv[0]);
3901 }
3902 }
3903
3904 if (pipe(live_pipe) < 0) {
3905 perror("failed to create pipe");
3906 return -1;
3907 }
3908
3909 pid = fork();
3910 if (pid < 0) {
3911 perror("failed to fork");
3912 return -1;
3913 }
3914
3915 if (!pid) {
3916 j = 0;
3917
3918 dup2(live_pipe[1], 1);
3919 close(live_pipe[0]);
3920
3921 if (is_top_script(argv[0])) {
3922 system_wide = true;
3923 } else if (!system_wide) {
3924 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
3925 err = -1;
3926 goto out;
3927 }
3928 }
3929
3930 __argv = malloc((argc + 6) * sizeof(const char *));
3931 if (!__argv) {
3932 pr_err("malloc failed\n");
3933 err = -ENOMEM;
3934 goto out;
3935 }
3936
3937 __argv[j++] = "/bin/sh";
3938 __argv[j++] = rec_script_path;
3939 if (system_wide)
3940 __argv[j++] = "-a";
3941 __argv[j++] = "-q";
3942 __argv[j++] = "-o";
3943 __argv[j++] = "-";
3944 for (i = rep_args + 1; i < argc; i++)
3945 __argv[j++] = argv[i];
3946 __argv[j++] = NULL;
3947
3948 execvp("/bin/sh", (char **)__argv);
3949 free(__argv);
3950 exit(-1);
3951 }
3952
3953 dup2(live_pipe[0], 0);
3954 close(live_pipe[1]);
3955
3956 __argv = malloc((argc + 4) * sizeof(const char *));
3957 if (!__argv) {
3958 pr_err("malloc failed\n");
3959 err = -ENOMEM;
3960 goto out;
3961 }
3962
3963 j = 0;
3964 __argv[j++] = "/bin/sh";
3965 __argv[j++] = rep_script_path;
3966 for (i = 1; i < rep_args + 1; i++)
3967 __argv[j++] = argv[i];
3968 __argv[j++] = "-i";
3969 __argv[j++] = "-";
3970 __argv[j++] = NULL;
3971
3972 execvp("/bin/sh", (char **)__argv);
3973 free(__argv);
3974 exit(-1);
3975 }
3976 script_found:
3977 if (rec_script_path)
3978 script_path = rec_script_path;
3979 if (rep_script_path)
3980 script_path = rep_script_path;
3981
3982 if (script_path) {
3983 j = 0;
3984
3985 if (!rec_script_path)
3986 system_wide = false;
3987 else if (!system_wide) {
3988 if (have_cmd(argc - 1, &argv[1]) != 0) {
3989 err = -1;
3990 goto out;
3991 }
3992 }
3993
3994 __argv = malloc((argc + 2) * sizeof(const char *));
3995 if (!__argv) {
3996 pr_err("malloc failed\n");
3997 err = -ENOMEM;
3998 goto out;
3999 }
4000
4001 __argv[j++] = "/bin/sh";
4002 __argv[j++] = script_path;
4003 if (system_wide)
4004 __argv[j++] = "-a";
4005 for (i = 2; i < argc; i++)
4006 __argv[j++] = argv[i];
4007 __argv[j++] = NULL;
4008
4009 execvp("/bin/sh", (char **)__argv);
4010 free(__argv);
4011 exit(-1);
4012 }
4013
4014 if (dlfilter_file) {
4015 dlfilter = dlfilter__new(dlfilter_file, dlargc, dlargv);
4016 if (!dlfilter)
4017 return -1;
4018 }
4019
4020 if (!script_name) {
4021 setup_pager();
4022 use_browser = 0;
4023 }
4024
4025 session = perf_session__new(&data, &script.tool);
4026 if (IS_ERR(session))
4027 return PTR_ERR(session);
4028
4029 if (header || header_only) {
4030 script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
4031 perf_session__fprintf_info(session, stdout, show_full_info);
4032 if (header_only)
4033 goto out_delete;
4034 }
4035 if (show_full_info)
4036 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
4037
4038 if (symbol__init(&session->header.env) < 0)
4039 goto out_delete;
4040
4041 uname(&uts);
4042 if (data.is_pipe) { /* Assume pipe_mode indicates native_arch */
4043 native_arch = true;
4044 } else if (session->header.env.arch) {
4045 if (!strcmp(uts.machine, session->header.env.arch))
4046 native_arch = true;
4047 else if (!strcmp(uts.machine, "x86_64") &&
4048 !strcmp(session->header.env.arch, "i386"))
4049 native_arch = true;
4050 }
4051
4052 script.session = session;
4053 script__setup_sample_type(&script);
4054
4055 if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) ||
4056 symbol_conf.graph_function)
4057 itrace_synth_opts.thread_stack = true;
4058
4059 session->itrace_synth_opts = &itrace_synth_opts;
4060
4061 if (cpu_list) {
4062 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
4063 if (err < 0)
4064 goto out_delete;
4065 itrace_synth_opts.cpu_bitmap = cpu_bitmap;
4066 }
4067
4068 if (!no_callchain)
4069 symbol_conf.use_callchain = true;
4070 else
4071 symbol_conf.use_callchain = false;
4072
4073 if (session->tevent.pevent &&
4074 tep_set_function_resolver(session->tevent.pevent,
4075 machine__resolve_kernel_addr,
4076 &session->machines.host) < 0) {
4077 pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
4078 err = -1;
4079 goto out_delete;
4080 }
4081
4082 if (generate_script_lang) {
4083 struct stat perf_stat;
4084 int input;
4085
4086 if (output_set_by_user()) {
4087 fprintf(stderr,
4088 "custom fields not supported for generated scripts");
4089 err = -EINVAL;
4090 goto out_delete;
4091 }
4092
4093 input = open(data.path, O_RDONLY); /* input_name */
4094 if (input < 0) {
4095 err = -errno;
4096 perror("failed to open file");
4097 goto out_delete;
4098 }
4099
4100 err = fstat(input, &perf_stat);
4101 if (err < 0) {
4102 perror("failed to stat file");
4103 goto out_delete;
4104 }
4105
4106 if (!perf_stat.st_size) {
4107 fprintf(stderr, "zero-sized file, nothing to do!\n");
4108 goto out_delete;
4109 }
4110
4111 scripting_ops = script_spec__lookup(generate_script_lang);
4112 if (!scripting_ops) {
4113 fprintf(stderr, "invalid language specifier");
4114 err = -ENOENT;
4115 goto out_delete;
4116 }
4117
4118 err = scripting_ops->generate_script(session->tevent.pevent,
4119 "perf-script");
4120 goto out_delete;
4121 }
4122
4123 err = dlfilter__start(dlfilter, session);
4124 if (err)
4125 goto out_delete;
4126
4127 if (script_name) {
4128 err = scripting_ops->start_script(script_name, argc, argv, session);
4129 if (err)
4130 goto out_delete;
4131 pr_debug("perf script started with script %s\n\n", script_name);
4132 script_started = true;
4133 }
4134
4135
4136 err = perf_session__check_output_opt(session);
4137 if (err < 0)
4138 goto out_delete;
4139
4140 if (script.time_str) {
4141 err = perf_time__parse_for_ranges_reltime(script.time_str, session,
4142 &script.ptime_range,
4143 &script.range_size,
4144 &script.range_num,
4145 reltime);
4146 if (err < 0)
4147 goto out_delete;
4148
4149 itrace_synth_opts__set_time_range(&itrace_synth_opts,
4150 script.ptime_range,
4151 script.range_num);
4152 }
4153
4154 err = evswitch__init(&script.evswitch, session->evlist, stderr);
4155 if (err)
4156 goto out_delete;
4157
4158 if (zstd_init(&(session->zstd_data), 0) < 0)
4159 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n");
4160
4161 err = __cmd_script(&script);
4162
4163 flush_scripting();
4164
4165 out_delete:
4166 if (script.ptime_range) {
4167 itrace_synth_opts__clear_time_range(&itrace_synth_opts);
4168 zfree(&script.ptime_range);
4169 }
4170
4171 zstd_fini(&(session->zstd_data));
4172 evlist__free_stats(session->evlist);
4173 perf_session__delete(session);
4174 perf_script__exit(&script);
4175
4176 if (script_started)
4177 cleanup_scripting();
4178 dlfilter__cleanup(dlfilter);
4179 free_dlarg();
4180 out:
4181 return err;
4182 }
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