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 "ui/ui.h"
34 #include "print_binary.h"
35 #include "archinsn.h"
36 #include <linux/bitmap.h>
37 #include <linux/kernel.h>
38 #include <linux/stringify.h>
39 #include <linux/time64.h>
40 #include <linux/zalloc.h>
41 #include <sys/utsname.h>
42 #include "asm/bug.h"
43 #include "util/mem-events.h"
44 #include "util/dump-insn.h"
45 #include <dirent.h>
46 #include <errno.h>
47 #include <inttypes.h>
48 #include <signal.h>
49 #include <sys/param.h>
50 #include <sys/types.h>
51 #include <sys/stat.h>
52 #include <fcntl.h>
53 #include <unistd.h>
54 #include <subcmd/pager.h>
55 #include <perf/evlist.h>
56 #include <linux/err.h>
57 #include "util/record.h"
58 #include "util/util.h"
59 #include "perf.h"
60
61 #include <linux/ctype.h>
62
63 static char const *script_name;
64 static char const *generate_script_lang;
65 static bool reltime;
66 static bool deltatime;
67 static u64 initial_time;
68 static u64 previous_time;
69 static bool debug_mode;
70 static u64 last_timestamp;
71 static u64 nr_unordered;
72 static bool no_callchain;
73 static bool latency_format;
74 static bool system_wide;
75 static bool print_flags;
76 static const char *cpu_list;
77 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
78 static struct perf_stat_config stat_config;
79 static int max_blocks;
80 static bool native_arch;
81
82 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
83
84 enum perf_output_field {
85 PERF_OUTPUT_COMM = 1ULL << 0,
86 PERF_OUTPUT_TID = 1ULL << 1,
87 PERF_OUTPUT_PID = 1ULL << 2,
88 PERF_OUTPUT_TIME = 1ULL << 3,
89 PERF_OUTPUT_CPU = 1ULL << 4,
90 PERF_OUTPUT_EVNAME = 1ULL << 5,
91 PERF_OUTPUT_TRACE = 1ULL << 6,
92 PERF_OUTPUT_IP = 1ULL << 7,
93 PERF_OUTPUT_SYM = 1ULL << 8,
94 PERF_OUTPUT_DSO = 1ULL << 9,
95 PERF_OUTPUT_ADDR = 1ULL << 10,
96 PERF_OUTPUT_SYMOFFSET = 1ULL << 11,
97 PERF_OUTPUT_SRCLINE = 1ULL << 12,
98 PERF_OUTPUT_PERIOD = 1ULL << 13,
99 PERF_OUTPUT_IREGS = 1ULL << 14,
100 PERF_OUTPUT_BRSTACK = 1ULL << 15,
101 PERF_OUTPUT_BRSTACKSYM = 1ULL << 16,
102 PERF_OUTPUT_DATA_SRC = 1ULL << 17,
103 PERF_OUTPUT_WEIGHT = 1ULL << 18,
104 PERF_OUTPUT_BPF_OUTPUT = 1ULL << 19,
105 PERF_OUTPUT_CALLINDENT = 1ULL << 20,
106 PERF_OUTPUT_INSN = 1ULL << 21,
107 PERF_OUTPUT_INSNLEN = 1ULL << 22,
108 PERF_OUTPUT_BRSTACKINSN = 1ULL << 23,
109 PERF_OUTPUT_BRSTACKOFF = 1ULL << 24,
110 PERF_OUTPUT_SYNTH = 1ULL << 25,
111 PERF_OUTPUT_PHYS_ADDR = 1ULL << 26,
112 PERF_OUTPUT_UREGS = 1ULL << 27,
113 PERF_OUTPUT_METRIC = 1ULL << 28,
114 PERF_OUTPUT_MISC = 1ULL << 29,
115 PERF_OUTPUT_SRCCODE = 1ULL << 30,
116 PERF_OUTPUT_IPC = 1ULL << 31,
117 PERF_OUTPUT_TOD = 1ULL << 32,
118 };
119
120 struct perf_script {
121 struct perf_tool tool;
122 struct perf_session *session;
123 bool show_task_events;
124 bool show_mmap_events;
125 bool show_switch_events;
126 bool show_namespace_events;
127 bool show_lost_events;
128 bool show_round_events;
129 bool show_bpf_events;
130 bool show_cgroup_events;
131 bool show_text_poke_events;
132 bool allocated;
133 bool per_event_dump;
134 bool stitch_lbr;
135 struct evswitch evswitch;
136 struct perf_cpu_map *cpus;
137 struct perf_thread_map *threads;
138 int name_width;
139 const char *time_str;
140 struct perf_time_interval *ptime_range;
141 int range_size;
142 int range_num;
143 };
144
145 struct output_option {
146 const char *str;
147 enum perf_output_field field;
148 } all_output_options[] = {
149 {.str = "comm", .field = PERF_OUTPUT_COMM},
150 {.str = "tid", .field = PERF_OUTPUT_TID},
151 {.str = "pid", .field = PERF_OUTPUT_PID},
152 {.str = "time", .field = PERF_OUTPUT_TIME},
153 {.str = "cpu", .field = PERF_OUTPUT_CPU},
154 {.str = "event", .field = PERF_OUTPUT_EVNAME},
155 {.str = "trace", .field = PERF_OUTPUT_TRACE},
156 {.str = "ip", .field = PERF_OUTPUT_IP},
157 {.str = "sym", .field = PERF_OUTPUT_SYM},
158 {.str = "dso", .field = PERF_OUTPUT_DSO},
159 {.str = "addr", .field = PERF_OUTPUT_ADDR},
160 {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
161 {.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
162 {.str = "period", .field = PERF_OUTPUT_PERIOD},
163 {.str = "iregs", .field = PERF_OUTPUT_IREGS},
164 {.str = "uregs", .field = PERF_OUTPUT_UREGS},
165 {.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
166 {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
167 {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
168 {.str = "weight", .field = PERF_OUTPUT_WEIGHT},
169 {.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT},
170 {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
171 {.str = "insn", .field = PERF_OUTPUT_INSN},
172 {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
173 {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
174 {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
175 {.str = "synth", .field = PERF_OUTPUT_SYNTH},
176 {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
177 {.str = "metric", .field = PERF_OUTPUT_METRIC},
178 {.str = "misc", .field = PERF_OUTPUT_MISC},
179 {.str = "srccode", .field = PERF_OUTPUT_SRCCODE},
180 {.str = "ipc", .field = PERF_OUTPUT_IPC},
181 {.str = "tod", .field = PERF_OUTPUT_TOD},
182 };
183
184 enum {
185 OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
186 OUTPUT_TYPE_MAX
187 };
188
189 /* default set to maintain compatibility with current format */
190 static struct {
191 bool user_set;
192 bool wildcard_set;
193 unsigned int print_ip_opts;
194 u64 fields;
195 u64 invalid_fields;
196 u64 user_set_fields;
197 u64 user_unset_fields;
198 } output[OUTPUT_TYPE_MAX] = {
199
200 [PERF_TYPE_HARDWARE] = {
201 .user_set = false,
202
203 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
204 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
205 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
206 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
207 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
208
209 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
210 },
211
212 [PERF_TYPE_SOFTWARE] = {
213 .user_set = false,
214
215 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
216 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
217 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
218 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
219 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
220 PERF_OUTPUT_BPF_OUTPUT,
221
222 .invalid_fields = PERF_OUTPUT_TRACE,
223 },
224
225 [PERF_TYPE_TRACEPOINT] = {
226 .user_set = false,
227
228 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
229 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
230 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
231 },
232
233 [PERF_TYPE_HW_CACHE] = {
234 .user_set = false,
235
236 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
237 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
238 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
239 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
240 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
241
242 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
243 },
244
245 [PERF_TYPE_RAW] = {
246 .user_set = false,
247
248 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
249 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
250 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
251 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
252 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
253 PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
254 PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR,
255
256 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
257 },
258
259 [PERF_TYPE_BREAKPOINT] = {
260 .user_set = false,
261
262 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
263 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
264 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
265 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
266 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
267
268 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
269 },
270
271 [OUTPUT_TYPE_SYNTH] = {
272 .user_set = false,
273
274 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
275 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
276 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
277 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
278 PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH,
279
280 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
281 },
282 };
283
284 struct evsel_script {
285 char *filename;
286 FILE *fp;
287 u64 samples;
288 /* For metric output */
289 u64 val;
290 int gnum;
291 };
292
evsel_script(struct evsel * evsel)293 static inline struct evsel_script *evsel_script(struct evsel *evsel)
294 {
295 return (struct evsel_script *)evsel->priv;
296 }
297
evsel_script__new(struct evsel * evsel,struct perf_data * data)298 static struct evsel_script *evsel_script__new(struct evsel *evsel, struct perf_data *data)
299 {
300 struct evsel_script *es = zalloc(sizeof(*es));
301
302 if (es != NULL) {
303 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0)
304 goto out_free;
305 es->fp = fopen(es->filename, "w");
306 if (es->fp == NULL)
307 goto out_free_filename;
308 }
309
310 return es;
311 out_free_filename:
312 zfree(&es->filename);
313 out_free:
314 free(es);
315 return NULL;
316 }
317
evsel_script__delete(struct evsel_script * es)318 static void evsel_script__delete(struct evsel_script *es)
319 {
320 zfree(&es->filename);
321 fclose(es->fp);
322 es->fp = NULL;
323 free(es);
324 }
325
evsel_script__fprintf(struct evsel_script * es,FILE * fp)326 static int evsel_script__fprintf(struct evsel_script *es, FILE *fp)
327 {
328 struct stat st;
329
330 fstat(fileno(es->fp), &st);
331 return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
332 st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
333 }
334
output_type(unsigned int type)335 static inline int output_type(unsigned int type)
336 {
337 switch (type) {
338 case PERF_TYPE_SYNTH:
339 return OUTPUT_TYPE_SYNTH;
340 default:
341 return type;
342 }
343 }
344
attr_type(unsigned int type)345 static inline unsigned int attr_type(unsigned int type)
346 {
347 switch (type) {
348 case OUTPUT_TYPE_SYNTH:
349 return PERF_TYPE_SYNTH;
350 default:
351 return type;
352 }
353 }
354
output_set_by_user(void)355 static bool output_set_by_user(void)
356 {
357 int j;
358 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
359 if (output[j].user_set)
360 return true;
361 }
362 return false;
363 }
364
output_field2str(enum perf_output_field field)365 static const char *output_field2str(enum perf_output_field field)
366 {
367 int i, imax = ARRAY_SIZE(all_output_options);
368 const char *str = "";
369
370 for (i = 0; i < imax; ++i) {
371 if (all_output_options[i].field == field) {
372 str = all_output_options[i].str;
373 break;
374 }
375 }
376 return str;
377 }
378
379 #define PRINT_FIELD(x) (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
380
evsel__do_check_stype(struct evsel * evsel,u64 sample_type,const char * sample_msg,enum perf_output_field field,bool allow_user_set)381 static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
382 enum perf_output_field field, bool allow_user_set)
383 {
384 struct perf_event_attr *attr = &evsel->core.attr;
385 int type = output_type(attr->type);
386 const char *evname;
387
388 if (attr->sample_type & sample_type)
389 return 0;
390
391 if (output[type].user_set_fields & field) {
392 if (allow_user_set)
393 return 0;
394 evname = evsel__name(evsel);
395 pr_err("Samples for '%s' event do not have %s attribute set. "
396 "Cannot print '%s' field.\n",
397 evname, sample_msg, output_field2str(field));
398 return -1;
399 }
400
401 /* user did not ask for it explicitly so remove from the default list */
402 output[type].fields &= ~field;
403 evname = evsel__name(evsel);
404 pr_debug("Samples for '%s' event do not have %s attribute set. "
405 "Skipping '%s' field.\n",
406 evname, sample_msg, output_field2str(field));
407
408 return 0;
409 }
410
evsel__check_stype(struct evsel * evsel,u64 sample_type,const char * sample_msg,enum perf_output_field field)411 static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
412 enum perf_output_field field)
413 {
414 return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false);
415 }
416
evsel__check_attr(struct evsel * evsel,struct perf_session * session)417 static int evsel__check_attr(struct evsel *evsel, struct perf_session *session)
418 {
419 struct perf_event_attr *attr = &evsel->core.attr;
420 bool allow_user_set;
421
422 if (perf_header__has_feat(&session->header, HEADER_STAT))
423 return 0;
424
425 allow_user_set = perf_header__has_feat(&session->header,
426 HEADER_AUXTRACE);
427
428 if (PRINT_FIELD(TRACE) &&
429 !perf_session__has_traces(session, "record -R"))
430 return -EINVAL;
431
432 if (PRINT_FIELD(IP)) {
433 if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP))
434 return -EINVAL;
435 }
436
437 if (PRINT_FIELD(ADDR) &&
438 evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set))
439 return -EINVAL;
440
441 if (PRINT_FIELD(DATA_SRC) &&
442 evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC))
443 return -EINVAL;
444
445 if (PRINT_FIELD(WEIGHT) &&
446 evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT", PERF_OUTPUT_WEIGHT))
447 return -EINVAL;
448
449 if (PRINT_FIELD(SYM) &&
450 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
451 pr_err("Display of symbols requested but neither sample IP nor "
452 "sample address\navailable. Hence, no addresses to convert "
453 "to symbols.\n");
454 return -EINVAL;
455 }
456 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
457 pr_err("Display of offsets requested but symbol is not"
458 "selected.\n");
459 return -EINVAL;
460 }
461 if (PRINT_FIELD(DSO) &&
462 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
463 pr_err("Display of DSO requested but no address to convert.\n");
464 return -EINVAL;
465 }
466 if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) {
467 pr_err("Display of source line number requested but sample IP is not\n"
468 "selected. Hence, no address to lookup the source line number.\n");
469 return -EINVAL;
470 }
471 if (PRINT_FIELD(BRSTACKINSN) && !allow_user_set &&
472 !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) {
473 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
474 "Hint: run 'perf record -b ...'\n");
475 return -EINVAL;
476 }
477 if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
478 evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID))
479 return -EINVAL;
480
481 if (PRINT_FIELD(TIME) &&
482 evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME))
483 return -EINVAL;
484
485 if (PRINT_FIELD(CPU) &&
486 evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set))
487 return -EINVAL;
488
489 if (PRINT_FIELD(IREGS) &&
490 evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set))
491 return -EINVAL;
492
493 if (PRINT_FIELD(UREGS) &&
494 evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS))
495 return -EINVAL;
496
497 if (PRINT_FIELD(PHYS_ADDR) &&
498 evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR))
499 return -EINVAL;
500
501 return 0;
502 }
503
set_print_ip_opts(struct perf_event_attr * attr)504 static void set_print_ip_opts(struct perf_event_attr *attr)
505 {
506 unsigned int type = output_type(attr->type);
507
508 output[type].print_ip_opts = 0;
509 if (PRINT_FIELD(IP))
510 output[type].print_ip_opts |= EVSEL__PRINT_IP;
511
512 if (PRINT_FIELD(SYM))
513 output[type].print_ip_opts |= EVSEL__PRINT_SYM;
514
515 if (PRINT_FIELD(DSO))
516 output[type].print_ip_opts |= EVSEL__PRINT_DSO;
517
518 if (PRINT_FIELD(SYMOFFSET))
519 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
520
521 if (PRINT_FIELD(SRCLINE))
522 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
523 }
524
525 /*
526 * verify all user requested events exist and the samples
527 * have the expected data
528 */
perf_session__check_output_opt(struct perf_session * session)529 static int perf_session__check_output_opt(struct perf_session *session)
530 {
531 bool tod = false;
532 unsigned int j;
533 struct evsel *evsel;
534
535 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
536 evsel = perf_session__find_first_evtype(session, attr_type(j));
537
538 /*
539 * even if fields is set to 0 (ie., show nothing) event must
540 * exist if user explicitly includes it on the command line
541 */
542 if (!evsel && output[j].user_set && !output[j].wildcard_set &&
543 j != OUTPUT_TYPE_SYNTH) {
544 pr_err("%s events do not exist. "
545 "Remove corresponding -F option to proceed.\n",
546 event_type(j));
547 return -1;
548 }
549
550 if (evsel && output[j].fields &&
551 evsel__check_attr(evsel, session))
552 return -1;
553
554 if (evsel == NULL)
555 continue;
556
557 set_print_ip_opts(&evsel->core.attr);
558 tod |= output[j].fields & PERF_OUTPUT_TOD;
559 }
560
561 if (!no_callchain) {
562 bool use_callchain = false;
563 bool not_pipe = false;
564
565 evlist__for_each_entry(session->evlist, evsel) {
566 not_pipe = true;
567 if (evsel__has_callchain(evsel)) {
568 use_callchain = true;
569 break;
570 }
571 }
572 if (not_pipe && !use_callchain)
573 symbol_conf.use_callchain = false;
574 }
575
576 /*
577 * set default for tracepoints to print symbols only
578 * if callchains are present
579 */
580 if (symbol_conf.use_callchain &&
581 !output[PERF_TYPE_TRACEPOINT].user_set) {
582 j = PERF_TYPE_TRACEPOINT;
583
584 evlist__for_each_entry(session->evlist, evsel) {
585 if (evsel->core.attr.type != j)
586 continue;
587
588 if (evsel__has_callchain(evsel)) {
589 output[j].fields |= PERF_OUTPUT_IP;
590 output[j].fields |= PERF_OUTPUT_SYM;
591 output[j].fields |= PERF_OUTPUT_SYMOFFSET;
592 output[j].fields |= PERF_OUTPUT_DSO;
593 set_print_ip_opts(&evsel->core.attr);
594 goto out;
595 }
596 }
597 }
598
599 if (tod && !session->header.env.clock.enabled) {
600 pr_err("Can't provide 'tod' time, missing clock data. "
601 "Please record with -k/--clockid option.\n");
602 return -1;
603 }
604 out:
605 return 0;
606 }
607
perf_sample__fprintf_regs(struct regs_dump * regs,uint64_t mask,FILE * fp)608 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask,
609 FILE *fp)
610 {
611 unsigned i = 0, r;
612 int printed = 0;
613
614 if (!regs || !regs->regs)
615 return 0;
616
617 printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
618
619 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
620 u64 val = regs->regs[i++];
621 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
622 }
623
624 return printed;
625 }
626
627 #define DEFAULT_TOD_FMT "%F %H:%M:%S"
628
629 static char*
tod_scnprintf(struct perf_script * script,char * buf,int buflen,u64 timestamp)630 tod_scnprintf(struct perf_script *script, char *buf, int buflen,
631 u64 timestamp)
632 {
633 u64 tod_ns, clockid_ns;
634 struct perf_env *env;
635 unsigned long nsec;
636 struct tm ltime;
637 char date[64];
638 time_t sec;
639
640 buf[0] = '\0';
641 if (buflen < 64 || !script)
642 return buf;
643
644 env = &script->session->header.env;
645 if (!env->clock.enabled) {
646 scnprintf(buf, buflen, "disabled");
647 return buf;
648 }
649
650 clockid_ns = env->clock.clockid_ns;
651 tod_ns = env->clock.tod_ns;
652
653 if (timestamp > clockid_ns)
654 tod_ns += timestamp - clockid_ns;
655 else
656 tod_ns -= clockid_ns - timestamp;
657
658 sec = (time_t) (tod_ns / NSEC_PER_SEC);
659 nsec = tod_ns - sec * NSEC_PER_SEC;
660
661 if (localtime_r(&sec, <ime) == NULL) {
662 scnprintf(buf, buflen, "failed");
663 } else {
664 strftime(date, sizeof(date), DEFAULT_TOD_FMT, <ime);
665
666 if (symbol_conf.nanosecs) {
667 snprintf(buf, buflen, "%s.%09lu", date, nsec);
668 } else {
669 snprintf(buf, buflen, "%s.%06lu",
670 date, nsec / NSEC_PER_USEC);
671 }
672 }
673
674 return buf;
675 }
676
perf_sample__fprintf_iregs(struct perf_sample * sample,struct perf_event_attr * attr,FILE * fp)677 static int perf_sample__fprintf_iregs(struct perf_sample *sample,
678 struct perf_event_attr *attr, FILE *fp)
679 {
680 return perf_sample__fprintf_regs(&sample->intr_regs,
681 attr->sample_regs_intr, fp);
682 }
683
perf_sample__fprintf_uregs(struct perf_sample * sample,struct perf_event_attr * attr,FILE * fp)684 static int perf_sample__fprintf_uregs(struct perf_sample *sample,
685 struct perf_event_attr *attr, FILE *fp)
686 {
687 return perf_sample__fprintf_regs(&sample->user_regs,
688 attr->sample_regs_user, fp);
689 }
690
perf_sample__fprintf_start(struct perf_script * script,struct perf_sample * sample,struct thread * thread,struct evsel * evsel,u32 type,FILE * fp)691 static int perf_sample__fprintf_start(struct perf_script *script,
692 struct perf_sample *sample,
693 struct thread *thread,
694 struct evsel *evsel,
695 u32 type, FILE *fp)
696 {
697 struct perf_event_attr *attr = &evsel->core.attr;
698 unsigned long secs;
699 unsigned long long nsecs;
700 int printed = 0;
701 char tstr[128];
702
703 if (PRINT_FIELD(COMM)) {
704 const char *comm = thread ? thread__comm_str(thread) : ":-1";
705
706 if (latency_format)
707 printed += fprintf(fp, "%8.8s ", comm);
708 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
709 printed += fprintf(fp, "%s ", comm);
710 else
711 printed += fprintf(fp, "%16s ", comm);
712 }
713
714 if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
715 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid);
716 else if (PRINT_FIELD(PID))
717 printed += fprintf(fp, "%5d ", sample->pid);
718 else if (PRINT_FIELD(TID))
719 printed += fprintf(fp, "%5d ", sample->tid);
720
721 if (PRINT_FIELD(CPU)) {
722 if (latency_format)
723 printed += fprintf(fp, "%3d ", sample->cpu);
724 else
725 printed += fprintf(fp, "[%03d] ", sample->cpu);
726 }
727
728 if (PRINT_FIELD(MISC)) {
729 int ret = 0;
730
731 #define has(m) \
732 (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
733
734 if (has(KERNEL))
735 ret += fprintf(fp, "K");
736 if (has(USER))
737 ret += fprintf(fp, "U");
738 if (has(HYPERVISOR))
739 ret += fprintf(fp, "H");
740 if (has(GUEST_KERNEL))
741 ret += fprintf(fp, "G");
742 if (has(GUEST_USER))
743 ret += fprintf(fp, "g");
744
745 switch (type) {
746 case PERF_RECORD_MMAP:
747 case PERF_RECORD_MMAP2:
748 if (has(MMAP_DATA))
749 ret += fprintf(fp, "M");
750 break;
751 case PERF_RECORD_COMM:
752 if (has(COMM_EXEC))
753 ret += fprintf(fp, "E");
754 break;
755 case PERF_RECORD_SWITCH:
756 case PERF_RECORD_SWITCH_CPU_WIDE:
757 if (has(SWITCH_OUT)) {
758 ret += fprintf(fp, "S");
759 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
760 ret += fprintf(fp, "p");
761 }
762 default:
763 break;
764 }
765
766 #undef has
767
768 ret += fprintf(fp, "%*s", 6 - ret, " ");
769 printed += ret;
770 }
771
772 if (PRINT_FIELD(TOD)) {
773 tod_scnprintf(script, tstr, sizeof(tstr), sample->time);
774 printed += fprintf(fp, "%s ", tstr);
775 }
776
777 if (PRINT_FIELD(TIME)) {
778 u64 t = sample->time;
779 if (reltime) {
780 if (!initial_time)
781 initial_time = sample->time;
782 t = sample->time - initial_time;
783 } else if (deltatime) {
784 if (previous_time)
785 t = sample->time - previous_time;
786 else {
787 t = 0;
788 }
789 previous_time = sample->time;
790 }
791 nsecs = t;
792 secs = nsecs / NSEC_PER_SEC;
793 nsecs -= secs * NSEC_PER_SEC;
794
795 if (symbol_conf.nanosecs)
796 printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
797 else {
798 char sample_time[32];
799 timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time));
800 printed += fprintf(fp, "%12s: ", sample_time);
801 }
802 }
803
804 return printed;
805 }
806
807 static inline char
mispred_str(struct branch_entry * br)808 mispred_str(struct branch_entry *br)
809 {
810 if (!(br->flags.mispred || br->flags.predicted))
811 return '-';
812
813 return br->flags.predicted ? 'P' : 'M';
814 }
815
perf_sample__fprintf_brstack(struct perf_sample * sample,struct thread * thread,struct perf_event_attr * attr,FILE * fp)816 static int perf_sample__fprintf_brstack(struct perf_sample *sample,
817 struct thread *thread,
818 struct perf_event_attr *attr, FILE *fp)
819 {
820 struct branch_stack *br = sample->branch_stack;
821 struct branch_entry *entries = perf_sample__branch_entries(sample);
822 struct addr_location alf, alt;
823 u64 i, from, to;
824 int printed = 0;
825
826 if (!(br && br->nr))
827 return 0;
828
829 for (i = 0; i < br->nr; i++) {
830 from = entries[i].from;
831 to = entries[i].to;
832
833 if (PRINT_FIELD(DSO)) {
834 memset(&alf, 0, sizeof(alf));
835 memset(&alt, 0, sizeof(alt));
836 thread__find_map_fb(thread, sample->cpumode, from, &alf);
837 thread__find_map_fb(thread, sample->cpumode, to, &alt);
838 }
839
840 printed += fprintf(fp, " 0x%"PRIx64, from);
841 if (PRINT_FIELD(DSO)) {
842 printed += fprintf(fp, "(");
843 printed += map__fprintf_dsoname(alf.map, fp);
844 printed += fprintf(fp, ")");
845 }
846
847 printed += fprintf(fp, "/0x%"PRIx64, to);
848 if (PRINT_FIELD(DSO)) {
849 printed += fprintf(fp, "(");
850 printed += map__fprintf_dsoname(alt.map, fp);
851 printed += fprintf(fp, ")");
852 }
853
854 printed += fprintf(fp, "/%c/%c/%c/%d ",
855 mispred_str(entries + i),
856 entries[i].flags.in_tx ? 'X' : '-',
857 entries[i].flags.abort ? 'A' : '-',
858 entries[i].flags.cycles);
859 }
860
861 return printed;
862 }
863
perf_sample__fprintf_brstacksym(struct perf_sample * sample,struct thread * thread,struct perf_event_attr * attr,FILE * fp)864 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
865 struct thread *thread,
866 struct perf_event_attr *attr, FILE *fp)
867 {
868 struct branch_stack *br = sample->branch_stack;
869 struct branch_entry *entries = perf_sample__branch_entries(sample);
870 struct addr_location alf, alt;
871 u64 i, from, to;
872 int printed = 0;
873
874 if (!(br && br->nr))
875 return 0;
876
877 for (i = 0; i < br->nr; i++) {
878
879 memset(&alf, 0, sizeof(alf));
880 memset(&alt, 0, sizeof(alt));
881 from = entries[i].from;
882 to = entries[i].to;
883
884 thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
885 thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
886
887 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
888 if (PRINT_FIELD(DSO)) {
889 printed += fprintf(fp, "(");
890 printed += map__fprintf_dsoname(alf.map, fp);
891 printed += fprintf(fp, ")");
892 }
893 printed += fprintf(fp, "%c", '/');
894 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
895 if (PRINT_FIELD(DSO)) {
896 printed += fprintf(fp, "(");
897 printed += map__fprintf_dsoname(alt.map, fp);
898 printed += fprintf(fp, ")");
899 }
900 printed += fprintf(fp, "/%c/%c/%c/%d ",
901 mispred_str(entries + i),
902 entries[i].flags.in_tx ? 'X' : '-',
903 entries[i].flags.abort ? 'A' : '-',
904 entries[i].flags.cycles);
905 }
906
907 return printed;
908 }
909
perf_sample__fprintf_brstackoff(struct perf_sample * sample,struct thread * thread,struct perf_event_attr * attr,FILE * fp)910 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
911 struct thread *thread,
912 struct perf_event_attr *attr, FILE *fp)
913 {
914 struct branch_stack *br = sample->branch_stack;
915 struct branch_entry *entries = perf_sample__branch_entries(sample);
916 struct addr_location alf, alt;
917 u64 i, from, to;
918 int printed = 0;
919
920 if (!(br && br->nr))
921 return 0;
922
923 for (i = 0; i < br->nr; i++) {
924
925 memset(&alf, 0, sizeof(alf));
926 memset(&alt, 0, sizeof(alt));
927 from = entries[i].from;
928 to = entries[i].to;
929
930 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
931 !alf.map->dso->adjust_symbols)
932 from = map__map_ip(alf.map, from);
933
934 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
935 !alt.map->dso->adjust_symbols)
936 to = map__map_ip(alt.map, to);
937
938 printed += fprintf(fp, " 0x%"PRIx64, from);
939 if (PRINT_FIELD(DSO)) {
940 printed += fprintf(fp, "(");
941 printed += map__fprintf_dsoname(alf.map, fp);
942 printed += fprintf(fp, ")");
943 }
944 printed += fprintf(fp, "/0x%"PRIx64, to);
945 if (PRINT_FIELD(DSO)) {
946 printed += fprintf(fp, "(");
947 printed += map__fprintf_dsoname(alt.map, fp);
948 printed += fprintf(fp, ")");
949 }
950 printed += fprintf(fp, "/%c/%c/%c/%d ",
951 mispred_str(entries + i),
952 entries[i].flags.in_tx ? 'X' : '-',
953 entries[i].flags.abort ? 'A' : '-',
954 entries[i].flags.cycles);
955 }
956
957 return printed;
958 }
959 #define MAXBB 16384UL
960
grab_bb(u8 * buffer,u64 start,u64 end,struct machine * machine,struct thread * thread,bool * is64bit,u8 * cpumode,bool last)961 static int grab_bb(u8 *buffer, u64 start, u64 end,
962 struct machine *machine, struct thread *thread,
963 bool *is64bit, u8 *cpumode, bool last)
964 {
965 long offset, len;
966 struct addr_location al;
967 bool kernel;
968
969 if (!start || !end)
970 return 0;
971
972 kernel = machine__kernel_ip(machine, start);
973 if (kernel)
974 *cpumode = PERF_RECORD_MISC_KERNEL;
975 else
976 *cpumode = PERF_RECORD_MISC_USER;
977
978 /*
979 * Block overlaps between kernel and user.
980 * This can happen due to ring filtering
981 * On Intel CPUs the entry into the kernel is filtered,
982 * but the exit is not. Let the caller patch it up.
983 */
984 if (kernel != machine__kernel_ip(machine, end)) {
985 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
986 return -ENXIO;
987 }
988
989 memset(&al, 0, sizeof(al));
990 if (end - start > MAXBB - MAXINSN) {
991 if (last)
992 pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
993 else
994 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
995 return 0;
996 }
997
998 if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) {
999 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1000 return 0;
1001 }
1002 if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
1003 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1004 return 0;
1005 }
1006
1007 /* Load maps to ensure dso->is_64_bit has been updated */
1008 map__load(al.map);
1009
1010 offset = al.map->map_ip(al.map, start);
1011 len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer,
1012 end - start + MAXINSN);
1013
1014 *is64bit = al.map->dso->is_64_bit;
1015 if (len <= 0)
1016 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
1017 start, end);
1018 return len;
1019 }
1020
map__fprintf_srccode(struct map * map,u64 addr,FILE * fp,struct srccode_state * state)1021 static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state)
1022 {
1023 char *srcfile;
1024 int ret = 0;
1025 unsigned line;
1026 int len;
1027 char *srccode;
1028
1029 if (!map || !map->dso)
1030 return 0;
1031 srcfile = get_srcline_split(map->dso,
1032 map__rip_2objdump(map, addr),
1033 &line);
1034 if (!srcfile)
1035 return 0;
1036
1037 /* Avoid redundant printing */
1038 if (state &&
1039 state->srcfile &&
1040 !strcmp(state->srcfile, srcfile) &&
1041 state->line == line) {
1042 free(srcfile);
1043 return 0;
1044 }
1045
1046 srccode = find_sourceline(srcfile, line, &len);
1047 if (!srccode)
1048 goto out_free_line;
1049
1050 ret = fprintf(fp, "|%-8d %.*s", line, len, srccode);
1051
1052 if (state) {
1053 state->srcfile = srcfile;
1054 state->line = line;
1055 }
1056 return ret;
1057
1058 out_free_line:
1059 free(srcfile);
1060 return ret;
1061 }
1062
print_srccode(struct thread * thread,u8 cpumode,uint64_t addr)1063 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr)
1064 {
1065 struct addr_location al;
1066 int ret = 0;
1067
1068 memset(&al, 0, sizeof(al));
1069 thread__find_map(thread, cpumode, addr, &al);
1070 if (!al.map)
1071 return 0;
1072 ret = map__fprintf_srccode(al.map, al.addr, stdout,
1073 &thread->srccode_state);
1074 if (ret)
1075 ret += printf("\n");
1076 return ret;
1077 }
1078
ip__fprintf_jump(uint64_t ip,struct branch_entry * en,struct perf_insn * x,u8 * inbuf,int len,int insn,FILE * fp,int * total_cycles)1079 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
1080 struct perf_insn *x, u8 *inbuf, int len,
1081 int insn, FILE *fp, int *total_cycles)
1082 {
1083 int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip,
1084 dump_insn(x, ip, inbuf, len, NULL),
1085 en->flags.predicted ? " PRED" : "",
1086 en->flags.mispred ? " MISPRED" : "",
1087 en->flags.in_tx ? " INTX" : "",
1088 en->flags.abort ? " ABORT" : "");
1089 if (en->flags.cycles) {
1090 *total_cycles += en->flags.cycles;
1091 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles);
1092 if (insn)
1093 printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
1094 }
1095 return printed + fprintf(fp, "\n");
1096 }
1097
ip__fprintf_sym(uint64_t addr,struct thread * thread,u8 cpumode,int cpu,struct symbol ** lastsym,struct perf_event_attr * attr,FILE * fp)1098 static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
1099 u8 cpumode, int cpu, struct symbol **lastsym,
1100 struct perf_event_attr *attr, FILE *fp)
1101 {
1102 struct addr_location al;
1103 int off, printed = 0;
1104
1105 memset(&al, 0, sizeof(al));
1106
1107 thread__find_map(thread, cpumode, addr, &al);
1108
1109 if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
1110 return 0;
1111
1112 al.cpu = cpu;
1113 al.sym = NULL;
1114 if (al.map)
1115 al.sym = map__find_symbol(al.map, al.addr);
1116
1117 if (!al.sym)
1118 return 0;
1119
1120 if (al.addr < al.sym->end)
1121 off = al.addr - al.sym->start;
1122 else
1123 off = al.addr - al.map->start - al.sym->start;
1124 printed += fprintf(fp, "\t%s", al.sym->name);
1125 if (off)
1126 printed += fprintf(fp, "%+d", off);
1127 printed += fprintf(fp, ":");
1128 if (PRINT_FIELD(SRCLINE))
1129 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
1130 printed += fprintf(fp, "\n");
1131 *lastsym = al.sym;
1132
1133 return printed;
1134 }
1135
perf_sample__fprintf_brstackinsn(struct perf_sample * sample,struct thread * thread,struct perf_event_attr * attr,struct machine * machine,FILE * fp)1136 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
1137 struct thread *thread,
1138 struct perf_event_attr *attr,
1139 struct machine *machine, FILE *fp)
1140 {
1141 struct branch_stack *br = sample->branch_stack;
1142 struct branch_entry *entries = perf_sample__branch_entries(sample);
1143 u64 start, end;
1144 int i, insn, len, nr, ilen, printed = 0;
1145 struct perf_insn x;
1146 u8 buffer[MAXBB];
1147 unsigned off;
1148 struct symbol *lastsym = NULL;
1149 int total_cycles = 0;
1150
1151 if (!(br && br->nr))
1152 return 0;
1153 nr = br->nr;
1154 if (max_blocks && nr > max_blocks + 1)
1155 nr = max_blocks + 1;
1156
1157 x.thread = thread;
1158 x.cpu = sample->cpu;
1159
1160 printed += fprintf(fp, "%c", '\n');
1161
1162 /* Handle first from jump, of which we don't know the entry. */
1163 len = grab_bb(buffer, entries[nr-1].from,
1164 entries[nr-1].from,
1165 machine, thread, &x.is64bit, &x.cpumode, false);
1166 if (len > 0) {
1167 printed += ip__fprintf_sym(entries[nr - 1].from, thread,
1168 x.cpumode, x.cpu, &lastsym, attr, fp);
1169 printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1],
1170 &x, buffer, len, 0, fp, &total_cycles);
1171 if (PRINT_FIELD(SRCCODE))
1172 printed += print_srccode(thread, x.cpumode, entries[nr - 1].from);
1173 }
1174
1175 /* Print all blocks */
1176 for (i = nr - 2; i >= 0; i--) {
1177 if (entries[i].from || entries[i].to)
1178 pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1179 entries[i].from,
1180 entries[i].to);
1181 start = entries[i + 1].to;
1182 end = entries[i].from;
1183
1184 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1185 /* Patch up missing kernel transfers due to ring filters */
1186 if (len == -ENXIO && i > 0) {
1187 end = entries[--i].from;
1188 pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1189 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1190 }
1191 if (len <= 0)
1192 continue;
1193
1194 insn = 0;
1195 for (off = 0; off < (unsigned)len; off += ilen) {
1196 uint64_t ip = start + off;
1197
1198 printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1199 if (ip == end) {
1200 printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp,
1201 &total_cycles);
1202 if (PRINT_FIELD(SRCCODE))
1203 printed += print_srccode(thread, x.cpumode, ip);
1204 break;
1205 } else {
1206 ilen = 0;
1207 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip,
1208 dump_insn(&x, ip, buffer + off, len - off, &ilen));
1209 if (ilen == 0)
1210 break;
1211 if (PRINT_FIELD(SRCCODE))
1212 print_srccode(thread, x.cpumode, ip);
1213 insn++;
1214 }
1215 }
1216 if (off != end - start)
1217 printed += fprintf(fp, "\tmismatch of LBR data and executable\n");
1218 }
1219
1220 /*
1221 * Hit the branch? In this case we are already done, and the target
1222 * has not been executed yet.
1223 */
1224 if (entries[0].from == sample->ip)
1225 goto out;
1226 if (entries[0].flags.abort)
1227 goto out;
1228
1229 /*
1230 * Print final block upto sample
1231 *
1232 * Due to pipeline delays the LBRs might be missing a branch
1233 * or two, which can result in very large or negative blocks
1234 * between final branch and sample. When this happens just
1235 * continue walking after the last TO until we hit a branch.
1236 */
1237 start = entries[0].to;
1238 end = sample->ip;
1239 if (end < start) {
1240 /* Missing jump. Scan 128 bytes for the next branch */
1241 end = start + 128;
1242 }
1243 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1244 printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1245 if (len <= 0) {
1246 /* Print at least last IP if basic block did not work */
1247 len = grab_bb(buffer, sample->ip, sample->ip,
1248 machine, thread, &x.is64bit, &x.cpumode, false);
1249 if (len <= 0)
1250 goto out;
1251 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip,
1252 dump_insn(&x, sample->ip, buffer, len, NULL));
1253 if (PRINT_FIELD(SRCCODE))
1254 print_srccode(thread, x.cpumode, sample->ip);
1255 goto out;
1256 }
1257 for (off = 0; off <= end - start; off += ilen) {
1258 ilen = 0;
1259 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off,
1260 dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1261 if (ilen == 0)
1262 break;
1263 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) {
1264 /*
1265 * Hit a missing branch. Just stop.
1266 */
1267 printed += fprintf(fp, "\t... not reaching sample ...\n");
1268 break;
1269 }
1270 if (PRINT_FIELD(SRCCODE))
1271 print_srccode(thread, x.cpumode, start + off);
1272 }
1273 out:
1274 return printed;
1275 }
1276
perf_sample__fprintf_addr(struct perf_sample * sample,struct thread * thread,struct perf_event_attr * attr,FILE * fp)1277 static int perf_sample__fprintf_addr(struct perf_sample *sample,
1278 struct thread *thread,
1279 struct perf_event_attr *attr, FILE *fp)
1280 {
1281 struct addr_location al;
1282 int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1283
1284 if (!sample_addr_correlates_sym(attr))
1285 goto out;
1286
1287 thread__resolve(thread, &al, sample);
1288
1289 if (PRINT_FIELD(SYM)) {
1290 printed += fprintf(fp, " ");
1291 if (PRINT_FIELD(SYMOFFSET))
1292 printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1293 else
1294 printed += symbol__fprintf_symname(al.sym, fp);
1295 }
1296
1297 if (PRINT_FIELD(DSO)) {
1298 printed += fprintf(fp, " (");
1299 printed += map__fprintf_dsoname(al.map, fp);
1300 printed += fprintf(fp, ")");
1301 }
1302 out:
1303 return printed;
1304 }
1305
resolve_branch_sym(struct perf_sample * sample,struct evsel * evsel,struct thread * thread,struct addr_location * al,u64 * ip)1306 static const char *resolve_branch_sym(struct perf_sample *sample,
1307 struct evsel *evsel,
1308 struct thread *thread,
1309 struct addr_location *al,
1310 u64 *ip)
1311 {
1312 struct addr_location addr_al;
1313 struct perf_event_attr *attr = &evsel->core.attr;
1314 const char *name = NULL;
1315
1316 if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1317 if (sample_addr_correlates_sym(attr)) {
1318 thread__resolve(thread, &addr_al, sample);
1319 if (addr_al.sym)
1320 name = addr_al.sym->name;
1321 else
1322 *ip = sample->addr;
1323 } else {
1324 *ip = sample->addr;
1325 }
1326 } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1327 if (al->sym)
1328 name = al->sym->name;
1329 else
1330 *ip = sample->ip;
1331 }
1332 return name;
1333 }
1334
perf_sample__fprintf_callindent(struct perf_sample * sample,struct evsel * evsel,struct thread * thread,struct addr_location * al,FILE * fp)1335 static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1336 struct evsel *evsel,
1337 struct thread *thread,
1338 struct addr_location *al, FILE *fp)
1339 {
1340 struct perf_event_attr *attr = &evsel->core.attr;
1341 size_t depth = thread_stack__depth(thread, sample->cpu);
1342 const char *name = NULL;
1343 static int spacing;
1344 int len = 0;
1345 int dlen = 0;
1346 u64 ip = 0;
1347
1348 /*
1349 * The 'return' has already been popped off the stack so the depth has
1350 * to be adjusted to match the 'call'.
1351 */
1352 if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
1353 depth += 1;
1354
1355 name = resolve_branch_sym(sample, evsel, thread, al, &ip);
1356
1357 if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
1358 dlen += fprintf(fp, "(");
1359 dlen += map__fprintf_dsoname(al->map, fp);
1360 dlen += fprintf(fp, ")\t");
1361 }
1362
1363 if (name)
1364 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1365 else if (ip)
1366 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1367
1368 if (len < 0)
1369 return len;
1370
1371 /*
1372 * Try to keep the output length from changing frequently so that the
1373 * output lines up more nicely.
1374 */
1375 if (len > spacing || (len && len < spacing - 52))
1376 spacing = round_up(len + 4, 32);
1377
1378 if (len < spacing)
1379 len += fprintf(fp, "%*s", spacing - len, "");
1380
1381 return len + dlen;
1382 }
1383
arch_fetch_insn(struct perf_sample * sample __maybe_unused,struct thread * thread __maybe_unused,struct machine * machine __maybe_unused)1384 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused,
1385 struct thread *thread __maybe_unused,
1386 struct machine *machine __maybe_unused)
1387 {
1388 }
1389
perf_sample__fprintf_insn(struct perf_sample * sample,struct perf_event_attr * attr,struct thread * thread,struct machine * machine,FILE * fp)1390 static int perf_sample__fprintf_insn(struct perf_sample *sample,
1391 struct perf_event_attr *attr,
1392 struct thread *thread,
1393 struct machine *machine, FILE *fp)
1394 {
1395 int printed = 0;
1396
1397 if (sample->insn_len == 0 && native_arch)
1398 arch_fetch_insn(sample, thread, machine);
1399
1400 if (PRINT_FIELD(INSNLEN))
1401 printed += fprintf(fp, " ilen: %d", sample->insn_len);
1402 if (PRINT_FIELD(INSN) && sample->insn_len) {
1403 int i;
1404
1405 printed += fprintf(fp, " insn:");
1406 for (i = 0; i < sample->insn_len; i++)
1407 printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
1408 }
1409 if (PRINT_FIELD(BRSTACKINSN))
1410 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
1411
1412 return printed;
1413 }
1414
perf_sample__fprintf_ipc(struct perf_sample * sample,struct perf_event_attr * attr,FILE * fp)1415 static int perf_sample__fprintf_ipc(struct perf_sample *sample,
1416 struct perf_event_attr *attr, FILE *fp)
1417 {
1418 unsigned int ipc;
1419
1420 if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt)
1421 return 0;
1422
1423 ipc = (sample->insn_cnt * 100) / sample->cyc_cnt;
1424
1425 return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ",
1426 ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt);
1427 }
1428
perf_sample__fprintf_bts(struct perf_sample * sample,struct evsel * evsel,struct thread * thread,struct addr_location * al,struct machine * machine,FILE * fp)1429 static int perf_sample__fprintf_bts(struct perf_sample *sample,
1430 struct evsel *evsel,
1431 struct thread *thread,
1432 struct addr_location *al,
1433 struct machine *machine, FILE *fp)
1434 {
1435 struct perf_event_attr *attr = &evsel->core.attr;
1436 unsigned int type = output_type(attr->type);
1437 bool print_srcline_last = false;
1438 int printed = 0;
1439
1440 if (PRINT_FIELD(CALLINDENT))
1441 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp);
1442
1443 /* print branch_from information */
1444 if (PRINT_FIELD(IP)) {
1445 unsigned int print_opts = output[type].print_ip_opts;
1446 struct callchain_cursor *cursor = NULL;
1447
1448 if (symbol_conf.use_callchain && sample->callchain &&
1449 thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1450 sample, NULL, NULL, scripting_max_stack) == 0)
1451 cursor = &callchain_cursor;
1452
1453 if (cursor == NULL) {
1454 printed += fprintf(fp, " ");
1455 if (print_opts & EVSEL__PRINT_SRCLINE) {
1456 print_srcline_last = true;
1457 print_opts &= ~EVSEL__PRINT_SRCLINE;
1458 }
1459 } else
1460 printed += fprintf(fp, "\n");
1461
1462 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor,
1463 symbol_conf.bt_stop_list, fp);
1464 }
1465
1466 /* print branch_to information */
1467 if (PRINT_FIELD(ADDR) ||
1468 ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
1469 !output[type].user_set)) {
1470 printed += fprintf(fp, " => ");
1471 printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1472 }
1473
1474 printed += perf_sample__fprintf_ipc(sample, attr, fp);
1475
1476 if (print_srcline_last)
1477 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp);
1478
1479 printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1480 printed += fprintf(fp, "\n");
1481 if (PRINT_FIELD(SRCCODE)) {
1482 int ret = map__fprintf_srccode(al->map, al->addr, stdout,
1483 &thread->srccode_state);
1484 if (ret) {
1485 printed += ret;
1486 printed += printf("\n");
1487 }
1488 }
1489 return printed;
1490 }
1491
1492 static struct {
1493 u32 flags;
1494 const char *name;
1495 } sample_flags[] = {
1496 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1497 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1498 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1499 {PERF_IP_FLAG_BRANCH, "jmp"},
1500 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1501 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1502 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1503 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1504 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1505 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"},
1506 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1507 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1508 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1509 {0, NULL}
1510 };
1511
sample_flags_to_name(u32 flags)1512 static const char *sample_flags_to_name(u32 flags)
1513 {
1514 int i;
1515
1516 for (i = 0; sample_flags[i].name ; i++) {
1517 if (sample_flags[i].flags == flags)
1518 return sample_flags[i].name;
1519 }
1520
1521 return NULL;
1522 }
1523
perf_sample__fprintf_flags(u32 flags,FILE * fp)1524 static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1525 {
1526 const char *chars = PERF_IP_FLAG_CHARS;
1527 const int n = strlen(PERF_IP_FLAG_CHARS);
1528 bool in_tx = flags & PERF_IP_FLAG_IN_TX;
1529 const char *name = NULL;
1530 char str[33];
1531 int i, pos = 0;
1532
1533 name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX);
1534 if (name)
1535 return fprintf(fp, " %-15s%4s ", name, in_tx ? "(x)" : "");
1536
1537 if (flags & PERF_IP_FLAG_TRACE_BEGIN) {
1538 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN));
1539 if (name)
1540 return fprintf(fp, " tr strt %-7s%4s ", name, in_tx ? "(x)" : "");
1541 }
1542
1543 if (flags & PERF_IP_FLAG_TRACE_END) {
1544 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END));
1545 if (name)
1546 return fprintf(fp, " tr end %-7s%4s ", name, in_tx ? "(x)" : "");
1547 }
1548
1549 for (i = 0; i < n; i++, flags >>= 1) {
1550 if (flags & 1)
1551 str[pos++] = chars[i];
1552 }
1553 for (; i < 32; i++, flags >>= 1) {
1554 if (flags & 1)
1555 str[pos++] = '?';
1556 }
1557 str[pos] = 0;
1558
1559 return fprintf(fp, " %-19s ", str);
1560 }
1561
1562 struct printer_data {
1563 int line_no;
1564 bool hit_nul;
1565 bool is_printable;
1566 };
1567
sample__fprintf_bpf_output(enum binary_printer_ops op,unsigned int val,void * extra,FILE * fp)1568 static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1569 unsigned int val,
1570 void *extra, FILE *fp)
1571 {
1572 unsigned char ch = (unsigned char)val;
1573 struct printer_data *printer_data = extra;
1574 int printed = 0;
1575
1576 switch (op) {
1577 case BINARY_PRINT_DATA_BEGIN:
1578 printed += fprintf(fp, "\n");
1579 break;
1580 case BINARY_PRINT_LINE_BEGIN:
1581 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1582 " ");
1583 break;
1584 case BINARY_PRINT_ADDR:
1585 printed += fprintf(fp, " %04x:", val);
1586 break;
1587 case BINARY_PRINT_NUM_DATA:
1588 printed += fprintf(fp, " %02x", val);
1589 break;
1590 case BINARY_PRINT_NUM_PAD:
1591 printed += fprintf(fp, " ");
1592 break;
1593 case BINARY_PRINT_SEP:
1594 printed += fprintf(fp, " ");
1595 break;
1596 case BINARY_PRINT_CHAR_DATA:
1597 if (printer_data->hit_nul && ch)
1598 printer_data->is_printable = false;
1599
1600 if (!isprint(ch)) {
1601 printed += fprintf(fp, "%c", '.');
1602
1603 if (!printer_data->is_printable)
1604 break;
1605
1606 if (ch == '\0')
1607 printer_data->hit_nul = true;
1608 else
1609 printer_data->is_printable = false;
1610 } else {
1611 printed += fprintf(fp, "%c", ch);
1612 }
1613 break;
1614 case BINARY_PRINT_CHAR_PAD:
1615 printed += fprintf(fp, " ");
1616 break;
1617 case BINARY_PRINT_LINE_END:
1618 printed += fprintf(fp, "\n");
1619 printer_data->line_no++;
1620 break;
1621 case BINARY_PRINT_DATA_END:
1622 default:
1623 break;
1624 }
1625
1626 return printed;
1627 }
1628
perf_sample__fprintf_bpf_output(struct perf_sample * sample,FILE * fp)1629 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1630 {
1631 unsigned int nr_bytes = sample->raw_size;
1632 struct printer_data printer_data = {0, false, true};
1633 int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1634 sample__fprintf_bpf_output, &printer_data, fp);
1635
1636 if (printer_data.is_printable && printer_data.hit_nul)
1637 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1638
1639 return printed;
1640 }
1641
perf_sample__fprintf_spacing(int len,int spacing,FILE * fp)1642 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1643 {
1644 if (len > 0 && len < spacing)
1645 return fprintf(fp, "%*s", spacing - len, "");
1646
1647 return 0;
1648 }
1649
perf_sample__fprintf_pt_spacing(int len,FILE * fp)1650 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1651 {
1652 return perf_sample__fprintf_spacing(len, 34, fp);
1653 }
1654
perf_sample__fprintf_synth_ptwrite(struct perf_sample * sample,FILE * fp)1655 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1656 {
1657 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1658 int len;
1659
1660 if (perf_sample__bad_synth_size(sample, *data))
1661 return 0;
1662
1663 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ",
1664 data->ip, le64_to_cpu(data->payload));
1665 return len + perf_sample__fprintf_pt_spacing(len, fp);
1666 }
1667
perf_sample__fprintf_synth_mwait(struct perf_sample * sample,FILE * fp)1668 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1669 {
1670 struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1671 int len;
1672
1673 if (perf_sample__bad_synth_size(sample, *data))
1674 return 0;
1675
1676 len = fprintf(fp, " hints: %#x extensions: %#x ",
1677 data->hints, data->extensions);
1678 return len + perf_sample__fprintf_pt_spacing(len, fp);
1679 }
1680
perf_sample__fprintf_synth_pwre(struct perf_sample * sample,FILE * fp)1681 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1682 {
1683 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1684 int len;
1685
1686 if (perf_sample__bad_synth_size(sample, *data))
1687 return 0;
1688
1689 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1690 data->hw, data->cstate, data->subcstate);
1691 return len + perf_sample__fprintf_pt_spacing(len, fp);
1692 }
1693
perf_sample__fprintf_synth_exstop(struct perf_sample * sample,FILE * fp)1694 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1695 {
1696 struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1697 int len;
1698
1699 if (perf_sample__bad_synth_size(sample, *data))
1700 return 0;
1701
1702 len = fprintf(fp, " IP: %u ", data->ip);
1703 return len + perf_sample__fprintf_pt_spacing(len, fp);
1704 }
1705
perf_sample__fprintf_synth_pwrx(struct perf_sample * sample,FILE * fp)1706 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1707 {
1708 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1709 int len;
1710
1711 if (perf_sample__bad_synth_size(sample, *data))
1712 return 0;
1713
1714 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1715 data->deepest_cstate, data->last_cstate,
1716 data->wake_reason);
1717 return len + perf_sample__fprintf_pt_spacing(len, fp);
1718 }
1719
perf_sample__fprintf_synth_cbr(struct perf_sample * sample,FILE * fp)1720 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1721 {
1722 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1723 unsigned int percent, freq;
1724 int len;
1725
1726 if (perf_sample__bad_synth_size(sample, *data))
1727 return 0;
1728
1729 freq = (le32_to_cpu(data->freq) + 500) / 1000;
1730 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1731 if (data->max_nonturbo) {
1732 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1733 len += fprintf(fp, "(%3u%%) ", percent);
1734 }
1735 return len + perf_sample__fprintf_pt_spacing(len, fp);
1736 }
1737
perf_sample__fprintf_synth(struct perf_sample * sample,struct evsel * evsel,FILE * fp)1738 static int perf_sample__fprintf_synth(struct perf_sample *sample,
1739 struct evsel *evsel, FILE *fp)
1740 {
1741 switch (evsel->core.attr.config) {
1742 case PERF_SYNTH_INTEL_PTWRITE:
1743 return perf_sample__fprintf_synth_ptwrite(sample, fp);
1744 case PERF_SYNTH_INTEL_MWAIT:
1745 return perf_sample__fprintf_synth_mwait(sample, fp);
1746 case PERF_SYNTH_INTEL_PWRE:
1747 return perf_sample__fprintf_synth_pwre(sample, fp);
1748 case PERF_SYNTH_INTEL_EXSTOP:
1749 return perf_sample__fprintf_synth_exstop(sample, fp);
1750 case PERF_SYNTH_INTEL_PWRX:
1751 return perf_sample__fprintf_synth_pwrx(sample, fp);
1752 case PERF_SYNTH_INTEL_CBR:
1753 return perf_sample__fprintf_synth_cbr(sample, fp);
1754 default:
1755 break;
1756 }
1757
1758 return 0;
1759 }
1760
evlist__max_name_len(struct evlist * evlist)1761 static int evlist__max_name_len(struct evlist *evlist)
1762 {
1763 struct evsel *evsel;
1764 int max = 0;
1765
1766 evlist__for_each_entry(evlist, evsel) {
1767 int len = strlen(evsel__name(evsel));
1768
1769 max = MAX(len, max);
1770 }
1771
1772 return max;
1773 }
1774
data_src__fprintf(u64 data_src,FILE * fp)1775 static int data_src__fprintf(u64 data_src, FILE *fp)
1776 {
1777 struct mem_info mi = { .data_src.val = data_src };
1778 char decode[100];
1779 char out[100];
1780 static int maxlen;
1781 int len;
1782
1783 perf_script__meminfo_scnprintf(decode, 100, &mi);
1784
1785 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
1786 if (maxlen < len)
1787 maxlen = len;
1788
1789 return fprintf(fp, "%-*s", maxlen, out);
1790 }
1791
1792 struct metric_ctx {
1793 struct perf_sample *sample;
1794 struct thread *thread;
1795 struct evsel *evsel;
1796 FILE *fp;
1797 };
1798
script_print_metric(struct perf_stat_config * config __maybe_unused,void * ctx,const char * color,const char * fmt,const char * unit,double val)1799 static void script_print_metric(struct perf_stat_config *config __maybe_unused,
1800 void *ctx, const char *color,
1801 const char *fmt,
1802 const char *unit, double val)
1803 {
1804 struct metric_ctx *mctx = ctx;
1805
1806 if (!fmt)
1807 return;
1808 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
1809 PERF_RECORD_SAMPLE, mctx->fp);
1810 fputs("\tmetric: ", mctx->fp);
1811 if (color)
1812 color_fprintf(mctx->fp, color, fmt, val);
1813 else
1814 printf(fmt, val);
1815 fprintf(mctx->fp, " %s\n", unit);
1816 }
1817
script_new_line(struct perf_stat_config * config __maybe_unused,void * ctx)1818 static void script_new_line(struct perf_stat_config *config __maybe_unused,
1819 void *ctx)
1820 {
1821 struct metric_ctx *mctx = ctx;
1822
1823 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
1824 PERF_RECORD_SAMPLE, mctx->fp);
1825 fputs("\tmetric: ", mctx->fp);
1826 }
1827
perf_sample__fprint_metric(struct perf_script * script,struct thread * thread,struct evsel * evsel,struct perf_sample * sample,FILE * fp)1828 static void perf_sample__fprint_metric(struct perf_script *script,
1829 struct thread *thread,
1830 struct evsel *evsel,
1831 struct perf_sample *sample,
1832 FILE *fp)
1833 {
1834 struct perf_stat_output_ctx ctx = {
1835 .print_metric = script_print_metric,
1836 .new_line = script_new_line,
1837 .ctx = &(struct metric_ctx) {
1838 .sample = sample,
1839 .thread = thread,
1840 .evsel = evsel,
1841 .fp = fp,
1842 },
1843 .force_header = false,
1844 };
1845 struct evsel *ev2;
1846 u64 val;
1847
1848 if (!evsel->stats)
1849 perf_evlist__alloc_stats(script->session->evlist, false);
1850 if (evsel_script(evsel->leader)->gnum++ == 0)
1851 perf_stat__reset_shadow_stats();
1852 val = sample->period * evsel->scale;
1853 perf_stat__update_shadow_stats(evsel,
1854 val,
1855 sample->cpu,
1856 &rt_stat);
1857 evsel_script(evsel)->val = val;
1858 if (evsel_script(evsel->leader)->gnum == evsel->leader->core.nr_members) {
1859 for_each_group_member (ev2, evsel->leader) {
1860 perf_stat__print_shadow_stats(&stat_config, ev2,
1861 evsel_script(ev2)->val,
1862 sample->cpu,
1863 &ctx,
1864 NULL,
1865 &rt_stat);
1866 }
1867 evsel_script(evsel->leader)->gnum = 0;
1868 }
1869 }
1870
show_event(struct perf_sample * sample,struct evsel * evsel,struct thread * thread,struct addr_location * al)1871 static bool show_event(struct perf_sample *sample,
1872 struct evsel *evsel,
1873 struct thread *thread,
1874 struct addr_location *al)
1875 {
1876 int depth = thread_stack__depth(thread, sample->cpu);
1877
1878 if (!symbol_conf.graph_function)
1879 return true;
1880
1881 if (thread->filter) {
1882 if (depth <= thread->filter_entry_depth) {
1883 thread->filter = false;
1884 return false;
1885 }
1886 return true;
1887 } else {
1888 const char *s = symbol_conf.graph_function;
1889 u64 ip;
1890 const char *name = resolve_branch_sym(sample, evsel, thread, al,
1891 &ip);
1892 unsigned nlen;
1893
1894 if (!name)
1895 return false;
1896 nlen = strlen(name);
1897 while (*s) {
1898 unsigned len = strcspn(s, ",");
1899 if (nlen == len && !strncmp(name, s, len)) {
1900 thread->filter = true;
1901 thread->filter_entry_depth = depth;
1902 return true;
1903 }
1904 s += len;
1905 if (*s == ',')
1906 s++;
1907 }
1908 return false;
1909 }
1910 }
1911
process_event(struct perf_script * script,struct perf_sample * sample,struct evsel * evsel,struct addr_location * al,struct machine * machine)1912 static void process_event(struct perf_script *script,
1913 struct perf_sample *sample, struct evsel *evsel,
1914 struct addr_location *al,
1915 struct machine *machine)
1916 {
1917 struct thread *thread = al->thread;
1918 struct perf_event_attr *attr = &evsel->core.attr;
1919 unsigned int type = output_type(attr->type);
1920 struct evsel_script *es = evsel->priv;
1921 FILE *fp = es->fp;
1922
1923 if (output[type].fields == 0)
1924 return;
1925
1926 if (!show_event(sample, evsel, thread, al))
1927 return;
1928
1929 if (evswitch__discard(&script->evswitch, evsel))
1930 return;
1931
1932 ++es->samples;
1933
1934 perf_sample__fprintf_start(script, sample, thread, evsel,
1935 PERF_RECORD_SAMPLE, fp);
1936
1937 if (PRINT_FIELD(PERIOD))
1938 fprintf(fp, "%10" PRIu64 " ", sample->period);
1939
1940 if (PRINT_FIELD(EVNAME)) {
1941 const char *evname = evsel__name(evsel);
1942
1943 if (!script->name_width)
1944 script->name_width = evlist__max_name_len(script->session->evlist);
1945
1946 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
1947 }
1948
1949 if (print_flags)
1950 perf_sample__fprintf_flags(sample->flags, fp);
1951
1952 if (is_bts_event(attr)) {
1953 perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp);
1954 return;
1955 }
1956
1957 if (PRINT_FIELD(TRACE) && sample->raw_data) {
1958 event_format__fprintf(evsel->tp_format, sample->cpu,
1959 sample->raw_data, sample->raw_size, fp);
1960 }
1961
1962 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
1963 perf_sample__fprintf_synth(sample, evsel, fp);
1964
1965 if (PRINT_FIELD(ADDR))
1966 perf_sample__fprintf_addr(sample, thread, attr, fp);
1967
1968 if (PRINT_FIELD(DATA_SRC))
1969 data_src__fprintf(sample->data_src, fp);
1970
1971 if (PRINT_FIELD(WEIGHT))
1972 fprintf(fp, "%16" PRIu64, sample->weight);
1973
1974 if (PRINT_FIELD(IP)) {
1975 struct callchain_cursor *cursor = NULL;
1976
1977 if (script->stitch_lbr)
1978 al->thread->lbr_stitch_enable = true;
1979
1980 if (symbol_conf.use_callchain && sample->callchain &&
1981 thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1982 sample, NULL, NULL, scripting_max_stack) == 0)
1983 cursor = &callchain_cursor;
1984
1985 fputc(cursor ? '\n' : ' ', fp);
1986 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor,
1987 symbol_conf.bt_stop_list, fp);
1988 }
1989
1990 if (PRINT_FIELD(IREGS))
1991 perf_sample__fprintf_iregs(sample, attr, fp);
1992
1993 if (PRINT_FIELD(UREGS))
1994 perf_sample__fprintf_uregs(sample, attr, fp);
1995
1996 if (PRINT_FIELD(BRSTACK))
1997 perf_sample__fprintf_brstack(sample, thread, attr, fp);
1998 else if (PRINT_FIELD(BRSTACKSYM))
1999 perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
2000 else if (PRINT_FIELD(BRSTACKOFF))
2001 perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
2002
2003 if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
2004 perf_sample__fprintf_bpf_output(sample, fp);
2005 perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
2006
2007 if (PRINT_FIELD(PHYS_ADDR))
2008 fprintf(fp, "%16" PRIx64, sample->phys_addr);
2009
2010 perf_sample__fprintf_ipc(sample, attr, fp);
2011
2012 fprintf(fp, "\n");
2013
2014 if (PRINT_FIELD(SRCCODE)) {
2015 if (map__fprintf_srccode(al->map, al->addr, stdout,
2016 &thread->srccode_state))
2017 printf("\n");
2018 }
2019
2020 if (PRINT_FIELD(METRIC))
2021 perf_sample__fprint_metric(script, thread, evsel, sample, fp);
2022
2023 if (verbose)
2024 fflush(fp);
2025 }
2026
2027 static struct scripting_ops *scripting_ops;
2028
__process_stat(struct evsel * counter,u64 tstamp)2029 static void __process_stat(struct evsel *counter, u64 tstamp)
2030 {
2031 int nthreads = perf_thread_map__nr(counter->core.threads);
2032 int ncpus = evsel__nr_cpus(counter);
2033 int cpu, thread;
2034 static int header_printed;
2035
2036 if (counter->core.system_wide)
2037 nthreads = 1;
2038
2039 if (!header_printed) {
2040 printf("%3s %8s %15s %15s %15s %15s %s\n",
2041 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
2042 header_printed = 1;
2043 }
2044
2045 for (thread = 0; thread < nthreads; thread++) {
2046 for (cpu = 0; cpu < ncpus; cpu++) {
2047 struct perf_counts_values *counts;
2048
2049 counts = perf_counts(counter->counts, cpu, thread);
2050
2051 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
2052 counter->core.cpus->map[cpu],
2053 perf_thread_map__pid(counter->core.threads, thread),
2054 counts->val,
2055 counts->ena,
2056 counts->run,
2057 tstamp,
2058 evsel__name(counter));
2059 }
2060 }
2061 }
2062
process_stat(struct evsel * counter,u64 tstamp)2063 static void process_stat(struct evsel *counter, u64 tstamp)
2064 {
2065 if (scripting_ops && scripting_ops->process_stat)
2066 scripting_ops->process_stat(&stat_config, counter, tstamp);
2067 else
2068 __process_stat(counter, tstamp);
2069 }
2070
process_stat_interval(u64 tstamp)2071 static void process_stat_interval(u64 tstamp)
2072 {
2073 if (scripting_ops && scripting_ops->process_stat_interval)
2074 scripting_ops->process_stat_interval(tstamp);
2075 }
2076
setup_scripting(void)2077 static void setup_scripting(void)
2078 {
2079 setup_perl_scripting();
2080 setup_python_scripting();
2081 }
2082
flush_scripting(void)2083 static int flush_scripting(void)
2084 {
2085 return scripting_ops ? scripting_ops->flush_script() : 0;
2086 }
2087
cleanup_scripting(void)2088 static int cleanup_scripting(void)
2089 {
2090 pr_debug("\nperf script stopped\n");
2091
2092 return scripting_ops ? scripting_ops->stop_script() : 0;
2093 }
2094
filter_cpu(struct perf_sample * sample)2095 static bool filter_cpu(struct perf_sample *sample)
2096 {
2097 if (cpu_list && sample->cpu != (u32)-1)
2098 return !test_bit(sample->cpu, cpu_bitmap);
2099 return false;
2100 }
2101
process_sample_event(struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct evsel * evsel,struct machine * machine)2102 static int process_sample_event(struct perf_tool *tool,
2103 union perf_event *event,
2104 struct perf_sample *sample,
2105 struct evsel *evsel,
2106 struct machine *machine)
2107 {
2108 struct perf_script *scr = container_of(tool, struct perf_script, tool);
2109 struct addr_location al;
2110
2111 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
2112 sample->time)) {
2113 return 0;
2114 }
2115
2116 if (debug_mode) {
2117 if (sample->time < last_timestamp) {
2118 pr_err("Samples misordered, previous: %" PRIu64
2119 " this: %" PRIu64 "\n", last_timestamp,
2120 sample->time);
2121 nr_unordered++;
2122 }
2123 last_timestamp = sample->time;
2124 return 0;
2125 }
2126
2127 if (machine__resolve(machine, &al, sample) < 0) {
2128 pr_err("problem processing %d event, skipping it.\n",
2129 event->header.type);
2130 return -1;
2131 }
2132
2133 if (al.filtered)
2134 goto out_put;
2135
2136 if (filter_cpu(sample))
2137 goto out_put;
2138
2139 if (scripting_ops)
2140 scripting_ops->process_event(event, sample, evsel, &al);
2141 else
2142 process_event(scr, sample, evsel, &al, machine);
2143
2144 out_put:
2145 addr_location__put(&al);
2146 return 0;
2147 }
2148
2149 // Used when scr->per_event_dump is not set
2150 static struct evsel_script es_stdout;
2151
process_attr(struct perf_tool * tool,union perf_event * event,struct evlist ** pevlist)2152 static int process_attr(struct perf_tool *tool, union perf_event *event,
2153 struct evlist **pevlist)
2154 {
2155 struct perf_script *scr = container_of(tool, struct perf_script, tool);
2156 struct evlist *evlist;
2157 struct evsel *evsel, *pos;
2158 u64 sample_type;
2159 int err;
2160
2161 err = perf_event__process_attr(tool, event, pevlist);
2162 if (err)
2163 return err;
2164
2165 evlist = *pevlist;
2166 evsel = evlist__last(*pevlist);
2167
2168 if (!evsel->priv) {
2169 if (scr->per_event_dump) {
2170 evsel->priv = evsel_script__new(evsel, scr->session->data);
2171 if (!evsel->priv)
2172 return -ENOMEM;
2173 } else { // Replicate what is done in perf_script__setup_per_event_dump()
2174 es_stdout.fp = stdout;
2175 evsel->priv = &es_stdout;
2176 }
2177 }
2178
2179 if (evsel->core.attr.type >= PERF_TYPE_MAX &&
2180 evsel->core.attr.type != PERF_TYPE_SYNTH)
2181 return 0;
2182
2183 evlist__for_each_entry(evlist, pos) {
2184 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel)
2185 return 0;
2186 }
2187
2188 if (evsel->core.attr.sample_type) {
2189 err = evsel__check_attr(evsel, scr->session);
2190 if (err)
2191 return err;
2192 }
2193
2194 /*
2195 * Check if we need to enable callchains based
2196 * on events sample_type.
2197 */
2198 sample_type = evlist__combined_sample_type(evlist);
2199 callchain_param_setup(sample_type);
2200
2201 /* Enable fields for callchain entries */
2202 if (symbol_conf.use_callchain &&
2203 (sample_type & PERF_SAMPLE_CALLCHAIN ||
2204 sample_type & PERF_SAMPLE_BRANCH_STACK ||
2205 (sample_type & PERF_SAMPLE_REGS_USER &&
2206 sample_type & PERF_SAMPLE_STACK_USER))) {
2207 int type = output_type(evsel->core.attr.type);
2208
2209 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP))
2210 output[type].fields |= PERF_OUTPUT_IP;
2211 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM))
2212 output[type].fields |= PERF_OUTPUT_SYM;
2213 }
2214 set_print_ip_opts(&evsel->core.attr);
2215 return 0;
2216 }
2217
print_event_with_time(struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine,pid_t pid,pid_t tid,u64 timestamp)2218 static int print_event_with_time(struct perf_tool *tool,
2219 union perf_event *event,
2220 struct perf_sample *sample,
2221 struct machine *machine,
2222 pid_t pid, pid_t tid, u64 timestamp)
2223 {
2224 struct perf_script *script = container_of(tool, struct perf_script, tool);
2225 struct perf_session *session = script->session;
2226 struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2227 struct thread *thread = NULL;
2228
2229 if (evsel && !evsel->core.attr.sample_id_all) {
2230 sample->cpu = 0;
2231 sample->time = timestamp;
2232 sample->pid = pid;
2233 sample->tid = tid;
2234 }
2235
2236 if (filter_cpu(sample))
2237 return 0;
2238
2239 if (tid != -1)
2240 thread = machine__findnew_thread(machine, pid, tid);
2241
2242 if (evsel) {
2243 perf_sample__fprintf_start(script, sample, thread, evsel,
2244 event->header.type, stdout);
2245 }
2246
2247 perf_event__fprintf(event, machine, stdout);
2248
2249 thread__put(thread);
2250
2251 return 0;
2252 }
2253
print_event(struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine,pid_t pid,pid_t tid)2254 static int print_event(struct perf_tool *tool, union perf_event *event,
2255 struct perf_sample *sample, struct machine *machine,
2256 pid_t pid, pid_t tid)
2257 {
2258 return print_event_with_time(tool, event, sample, machine, pid, tid, 0);
2259 }
2260
process_comm_event(struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine)2261 static int process_comm_event(struct perf_tool *tool,
2262 union perf_event *event,
2263 struct perf_sample *sample,
2264 struct machine *machine)
2265 {
2266 if (perf_event__process_comm(tool, event, sample, machine) < 0)
2267 return -1;
2268
2269 return print_event(tool, event, sample, machine, event->comm.pid,
2270 event->comm.tid);
2271 }
2272
process_namespaces_event(struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine)2273 static int process_namespaces_event(struct perf_tool *tool,
2274 union perf_event *event,
2275 struct perf_sample *sample,
2276 struct machine *machine)
2277 {
2278 if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
2279 return -1;
2280
2281 return print_event(tool, event, sample, machine, event->namespaces.pid,
2282 event->namespaces.tid);
2283 }
2284
process_cgroup_event(struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine)2285 static int process_cgroup_event(struct perf_tool *tool,
2286 union perf_event *event,
2287 struct perf_sample *sample,
2288 struct machine *machine)
2289 {
2290 if (perf_event__process_cgroup(tool, event, sample, machine) < 0)
2291 return -1;
2292
2293 return print_event(tool, event, sample, machine, sample->pid,
2294 sample->tid);
2295 }
2296
process_fork_event(struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine)2297 static int process_fork_event(struct perf_tool *tool,
2298 union perf_event *event,
2299 struct perf_sample *sample,
2300 struct machine *machine)
2301 {
2302 if (perf_event__process_fork(tool, event, sample, machine) < 0)
2303 return -1;
2304
2305 return print_event_with_time(tool, event, sample, machine,
2306 event->fork.pid, event->fork.tid,
2307 event->fork.time);
2308 }
process_exit_event(struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine)2309 static int process_exit_event(struct perf_tool *tool,
2310 union perf_event *event,
2311 struct perf_sample *sample,
2312 struct machine *machine)
2313 {
2314 /* Print before 'exit' deletes anything */
2315 if (print_event_with_time(tool, event, sample, machine, event->fork.pid,
2316 event->fork.tid, event->fork.time))
2317 return -1;
2318
2319 return perf_event__process_exit(tool, event, sample, machine);
2320 }
2321
process_mmap_event(struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine)2322 static int process_mmap_event(struct perf_tool *tool,
2323 union perf_event *event,
2324 struct perf_sample *sample,
2325 struct machine *machine)
2326 {
2327 if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2328 return -1;
2329
2330 return print_event(tool, event, sample, machine, event->mmap.pid,
2331 event->mmap.tid);
2332 }
2333
process_mmap2_event(struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine)2334 static int process_mmap2_event(struct perf_tool *tool,
2335 union perf_event *event,
2336 struct perf_sample *sample,
2337 struct machine *machine)
2338 {
2339 if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2340 return -1;
2341
2342 return print_event(tool, event, sample, machine, event->mmap2.pid,
2343 event->mmap2.tid);
2344 }
2345
process_switch_event(struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine)2346 static int process_switch_event(struct perf_tool *tool,
2347 union perf_event *event,
2348 struct perf_sample *sample,
2349 struct machine *machine)
2350 {
2351 struct perf_script *script = container_of(tool, struct perf_script, tool);
2352
2353 if (perf_event__process_switch(tool, event, sample, machine) < 0)
2354 return -1;
2355
2356 if (scripting_ops && scripting_ops->process_switch && !filter_cpu(sample))
2357 scripting_ops->process_switch(event, sample, machine);
2358
2359 if (!script->show_switch_events)
2360 return 0;
2361
2362 return print_event(tool, event, sample, machine, sample->pid,
2363 sample->tid);
2364 }
2365
2366 static int
process_lost_event(struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine)2367 process_lost_event(struct perf_tool *tool,
2368 union perf_event *event,
2369 struct perf_sample *sample,
2370 struct machine *machine)
2371 {
2372 return print_event(tool, event, sample, machine, sample->pid,
2373 sample->tid);
2374 }
2375
2376 static int
process_finished_round_event(struct perf_tool * tool __maybe_unused,union perf_event * event,struct ordered_events * oe __maybe_unused)2377 process_finished_round_event(struct perf_tool *tool __maybe_unused,
2378 union perf_event *event,
2379 struct ordered_events *oe __maybe_unused)
2380
2381 {
2382 perf_event__fprintf(event, NULL, stdout);
2383 return 0;
2384 }
2385
2386 static int
process_bpf_events(struct perf_tool * tool __maybe_unused,union perf_event * event,struct perf_sample * sample,struct machine * machine)2387 process_bpf_events(struct perf_tool *tool __maybe_unused,
2388 union perf_event *event,
2389 struct perf_sample *sample,
2390 struct machine *machine)
2391 {
2392 if (machine__process_ksymbol(machine, event, sample) < 0)
2393 return -1;
2394
2395 return print_event(tool, event, sample, machine, sample->pid,
2396 sample->tid);
2397 }
2398
process_text_poke_events(struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine)2399 static int process_text_poke_events(struct perf_tool *tool,
2400 union perf_event *event,
2401 struct perf_sample *sample,
2402 struct machine *machine)
2403 {
2404 if (perf_event__process_text_poke(tool, event, sample, machine) < 0)
2405 return -1;
2406
2407 return print_event(tool, event, sample, machine, sample->pid,
2408 sample->tid);
2409 }
2410
sig_handler(int sig __maybe_unused)2411 static void sig_handler(int sig __maybe_unused)
2412 {
2413 session_done = 1;
2414 }
2415
perf_script__fclose_per_event_dump(struct perf_script * script)2416 static void perf_script__fclose_per_event_dump(struct perf_script *script)
2417 {
2418 struct evlist *evlist = script->session->evlist;
2419 struct evsel *evsel;
2420
2421 evlist__for_each_entry(evlist, evsel) {
2422 if (!evsel->priv)
2423 break;
2424 evsel_script__delete(evsel->priv);
2425 evsel->priv = NULL;
2426 }
2427 }
2428
perf_script__fopen_per_event_dump(struct perf_script * script)2429 static int perf_script__fopen_per_event_dump(struct perf_script *script)
2430 {
2431 struct evsel *evsel;
2432
2433 evlist__for_each_entry(script->session->evlist, evsel) {
2434 /*
2435 * Already setup? I.e. we may be called twice in cases like
2436 * Intel PT, one for the intel_pt// and dummy events, then
2437 * for the evsels syntheized from the auxtrace info.
2438 *
2439 * Ses perf_script__process_auxtrace_info.
2440 */
2441 if (evsel->priv != NULL)
2442 continue;
2443
2444 evsel->priv = evsel_script__new(evsel, script->session->data);
2445 if (evsel->priv == NULL)
2446 goto out_err_fclose;
2447 }
2448
2449 return 0;
2450
2451 out_err_fclose:
2452 perf_script__fclose_per_event_dump(script);
2453 return -1;
2454 }
2455
perf_script__setup_per_event_dump(struct perf_script * script)2456 static int perf_script__setup_per_event_dump(struct perf_script *script)
2457 {
2458 struct evsel *evsel;
2459
2460 if (script->per_event_dump)
2461 return perf_script__fopen_per_event_dump(script);
2462
2463 es_stdout.fp = stdout;
2464
2465 evlist__for_each_entry(script->session->evlist, evsel)
2466 evsel->priv = &es_stdout;
2467
2468 return 0;
2469 }
2470
perf_script__exit_per_event_dump_stats(struct perf_script * script)2471 static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2472 {
2473 struct evsel *evsel;
2474
2475 evlist__for_each_entry(script->session->evlist, evsel) {
2476 struct evsel_script *es = evsel->priv;
2477
2478 evsel_script__fprintf(es, stdout);
2479 evsel_script__delete(es);
2480 evsel->priv = NULL;
2481 }
2482 }
2483
perf_script__exit(struct perf_script * script)2484 static void perf_script__exit(struct perf_script *script)
2485 {
2486 perf_thread_map__put(script->threads);
2487 perf_cpu_map__put(script->cpus);
2488 }
2489
__cmd_script(struct perf_script * script)2490 static int __cmd_script(struct perf_script *script)
2491 {
2492 int ret;
2493
2494 signal(SIGINT, sig_handler);
2495
2496 perf_stat__init_shadow_stats();
2497
2498 /* override event processing functions */
2499 if (script->show_task_events) {
2500 script->tool.comm = process_comm_event;
2501 script->tool.fork = process_fork_event;
2502 script->tool.exit = process_exit_event;
2503 }
2504 if (script->show_mmap_events) {
2505 script->tool.mmap = process_mmap_event;
2506 script->tool.mmap2 = process_mmap2_event;
2507 }
2508 if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch))
2509 script->tool.context_switch = process_switch_event;
2510 if (script->show_namespace_events)
2511 script->tool.namespaces = process_namespaces_event;
2512 if (script->show_cgroup_events)
2513 script->tool.cgroup = process_cgroup_event;
2514 if (script->show_lost_events)
2515 script->tool.lost = process_lost_event;
2516 if (script->show_round_events) {
2517 script->tool.ordered_events = false;
2518 script->tool.finished_round = process_finished_round_event;
2519 }
2520 if (script->show_bpf_events) {
2521 script->tool.ksymbol = process_bpf_events;
2522 script->tool.bpf = process_bpf_events;
2523 }
2524 if (script->show_text_poke_events) {
2525 script->tool.ksymbol = process_bpf_events;
2526 script->tool.text_poke = process_text_poke_events;
2527 }
2528
2529 if (perf_script__setup_per_event_dump(script)) {
2530 pr_err("Couldn't create the per event dump files\n");
2531 return -1;
2532 }
2533
2534 ret = perf_session__process_events(script->session);
2535
2536 if (script->per_event_dump)
2537 perf_script__exit_per_event_dump_stats(script);
2538
2539 if (debug_mode)
2540 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2541
2542 return ret;
2543 }
2544
2545 struct script_spec {
2546 struct list_head node;
2547 struct scripting_ops *ops;
2548 char spec[];
2549 };
2550
2551 static LIST_HEAD(script_specs);
2552
script_spec__new(const char * spec,struct scripting_ops * ops)2553 static struct script_spec *script_spec__new(const char *spec,
2554 struct scripting_ops *ops)
2555 {
2556 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2557
2558 if (s != NULL) {
2559 strcpy(s->spec, spec);
2560 s->ops = ops;
2561 }
2562
2563 return s;
2564 }
2565
script_spec__add(struct script_spec * s)2566 static void script_spec__add(struct script_spec *s)
2567 {
2568 list_add_tail(&s->node, &script_specs);
2569 }
2570
script_spec__find(const char * spec)2571 static struct script_spec *script_spec__find(const char *spec)
2572 {
2573 struct script_spec *s;
2574
2575 list_for_each_entry(s, &script_specs, node)
2576 if (strcasecmp(s->spec, spec) == 0)
2577 return s;
2578 return NULL;
2579 }
2580
script_spec_register(const char * spec,struct scripting_ops * ops)2581 int script_spec_register(const char *spec, struct scripting_ops *ops)
2582 {
2583 struct script_spec *s;
2584
2585 s = script_spec__find(spec);
2586 if (s)
2587 return -1;
2588
2589 s = script_spec__new(spec, ops);
2590 if (!s)
2591 return -1;
2592 else
2593 script_spec__add(s);
2594
2595 return 0;
2596 }
2597
script_spec__lookup(const char * spec)2598 static struct scripting_ops *script_spec__lookup(const char *spec)
2599 {
2600 struct script_spec *s = script_spec__find(spec);
2601 if (!s)
2602 return NULL;
2603
2604 return s->ops;
2605 }
2606
list_available_languages(void)2607 static void list_available_languages(void)
2608 {
2609 struct script_spec *s;
2610
2611 fprintf(stderr, "\n");
2612 fprintf(stderr, "Scripting language extensions (used in "
2613 "perf script -s [spec:]script.[spec]):\n\n");
2614
2615 list_for_each_entry(s, &script_specs, node)
2616 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name);
2617
2618 fprintf(stderr, "\n");
2619 }
2620
parse_scriptname(const struct option * opt __maybe_unused,const char * str,int unset __maybe_unused)2621 static int parse_scriptname(const struct option *opt __maybe_unused,
2622 const char *str, int unset __maybe_unused)
2623 {
2624 char spec[PATH_MAX];
2625 const char *script, *ext;
2626 int len;
2627
2628 if (strcmp(str, "lang") == 0) {
2629 list_available_languages();
2630 exit(0);
2631 }
2632
2633 script = strchr(str, ':');
2634 if (script) {
2635 len = script - str;
2636 if (len >= PATH_MAX) {
2637 fprintf(stderr, "invalid language specifier");
2638 return -1;
2639 }
2640 strncpy(spec, str, len);
2641 spec[len] = '\0';
2642 scripting_ops = script_spec__lookup(spec);
2643 if (!scripting_ops) {
2644 fprintf(stderr, "invalid language specifier");
2645 return -1;
2646 }
2647 script++;
2648 } else {
2649 script = str;
2650 ext = strrchr(script, '.');
2651 if (!ext) {
2652 fprintf(stderr, "invalid script extension");
2653 return -1;
2654 }
2655 scripting_ops = script_spec__lookup(++ext);
2656 if (!scripting_ops) {
2657 fprintf(stderr, "invalid script extension");
2658 return -1;
2659 }
2660 }
2661
2662 script_name = strdup(script);
2663
2664 return 0;
2665 }
2666
parse_output_fields(const struct option * opt __maybe_unused,const char * arg,int unset __maybe_unused)2667 static int parse_output_fields(const struct option *opt __maybe_unused,
2668 const char *arg, int unset __maybe_unused)
2669 {
2670 char *tok, *strtok_saveptr = NULL;
2671 int i, imax = ARRAY_SIZE(all_output_options);
2672 int j;
2673 int rc = 0;
2674 char *str = strdup(arg);
2675 int type = -1;
2676 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
2677
2678 if (!str)
2679 return -ENOMEM;
2680
2681 /* first word can state for which event type the user is specifying
2682 * the fields. If no type exists, the specified fields apply to all
2683 * event types found in the file minus the invalid fields for a type.
2684 */
2685 tok = strchr(str, ':');
2686 if (tok) {
2687 *tok = '\0';
2688 tok++;
2689 if (!strcmp(str, "hw"))
2690 type = PERF_TYPE_HARDWARE;
2691 else if (!strcmp(str, "sw"))
2692 type = PERF_TYPE_SOFTWARE;
2693 else if (!strcmp(str, "trace"))
2694 type = PERF_TYPE_TRACEPOINT;
2695 else if (!strcmp(str, "raw"))
2696 type = PERF_TYPE_RAW;
2697 else if (!strcmp(str, "break"))
2698 type = PERF_TYPE_BREAKPOINT;
2699 else if (!strcmp(str, "synth"))
2700 type = OUTPUT_TYPE_SYNTH;
2701 else {
2702 fprintf(stderr, "Invalid event type in field string.\n");
2703 rc = -EINVAL;
2704 goto out;
2705 }
2706
2707 if (output[type].user_set)
2708 pr_warning("Overriding previous field request for %s events.\n",
2709 event_type(type));
2710
2711 /* Don't override defaults for +- */
2712 if (strchr(tok, '+') || strchr(tok, '-'))
2713 goto parse;
2714
2715 output[type].fields = 0;
2716 output[type].user_set = true;
2717 output[type].wildcard_set = false;
2718
2719 } else {
2720 tok = str;
2721 if (strlen(str) == 0) {
2722 fprintf(stderr,
2723 "Cannot set fields to 'none' for all event types.\n");
2724 rc = -EINVAL;
2725 goto out;
2726 }
2727
2728 /* Don't override defaults for +- */
2729 if (strchr(str, '+') || strchr(str, '-'))
2730 goto parse;
2731
2732 if (output_set_by_user())
2733 pr_warning("Overriding previous field request for all events.\n");
2734
2735 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2736 output[j].fields = 0;
2737 output[j].user_set = true;
2738 output[j].wildcard_set = true;
2739 }
2740 }
2741
2742 parse:
2743 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
2744 if (*tok == '+') {
2745 if (change == SET)
2746 goto out_badmix;
2747 change = ADD;
2748 tok++;
2749 } else if (*tok == '-') {
2750 if (change == SET)
2751 goto out_badmix;
2752 change = REMOVE;
2753 tok++;
2754 } else {
2755 if (change != SET && change != DEFAULT)
2756 goto out_badmix;
2757 change = SET;
2758 }
2759
2760 for (i = 0; i < imax; ++i) {
2761 if (strcmp(tok, all_output_options[i].str) == 0)
2762 break;
2763 }
2764 if (i == imax && strcmp(tok, "flags") == 0) {
2765 print_flags = change == REMOVE ? false : true;
2766 continue;
2767 }
2768 if (i == imax) {
2769 fprintf(stderr, "Invalid field requested.\n");
2770 rc = -EINVAL;
2771 goto out;
2772 }
2773
2774 if (type == -1) {
2775 /* add user option to all events types for
2776 * which it is valid
2777 */
2778 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2779 if (output[j].invalid_fields & all_output_options[i].field) {
2780 pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
2781 all_output_options[i].str, event_type(j));
2782 } else {
2783 if (change == REMOVE) {
2784 output[j].fields &= ~all_output_options[i].field;
2785 output[j].user_set_fields &= ~all_output_options[i].field;
2786 output[j].user_unset_fields |= all_output_options[i].field;
2787 } else {
2788 output[j].fields |= all_output_options[i].field;
2789 output[j].user_set_fields |= all_output_options[i].field;
2790 output[j].user_unset_fields &= ~all_output_options[i].field;
2791 }
2792 output[j].user_set = true;
2793 output[j].wildcard_set = true;
2794 }
2795 }
2796 } else {
2797 if (output[type].invalid_fields & all_output_options[i].field) {
2798 fprintf(stderr, "\'%s\' not valid for %s events.\n",
2799 all_output_options[i].str, event_type(type));
2800
2801 rc = -EINVAL;
2802 goto out;
2803 }
2804 if (change == REMOVE)
2805 output[type].fields &= ~all_output_options[i].field;
2806 else
2807 output[type].fields |= all_output_options[i].field;
2808 output[type].user_set = true;
2809 output[type].wildcard_set = true;
2810 }
2811 }
2812
2813 if (type >= 0) {
2814 if (output[type].fields == 0) {
2815 pr_debug("No fields requested for %s type. "
2816 "Events will not be displayed.\n", event_type(type));
2817 }
2818 }
2819 goto out;
2820
2821 out_badmix:
2822 fprintf(stderr, "Cannot mix +-field with overridden fields\n");
2823 rc = -EINVAL;
2824 out:
2825 free(str);
2826 return rc;
2827 }
2828
2829 #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \
2830 while ((lang_dirent = readdir(scripts_dir)) != NULL) \
2831 if ((lang_dirent->d_type == DT_DIR || \
2832 (lang_dirent->d_type == DT_UNKNOWN && \
2833 is_directory(scripts_path, lang_dirent))) && \
2834 (strcmp(lang_dirent->d_name, ".")) && \
2835 (strcmp(lang_dirent->d_name, "..")))
2836
2837 #define for_each_script(lang_path, lang_dir, script_dirent) \
2838 while ((script_dirent = readdir(lang_dir)) != NULL) \
2839 if (script_dirent->d_type != DT_DIR && \
2840 (script_dirent->d_type != DT_UNKNOWN || \
2841 !is_directory(lang_path, script_dirent)))
2842
2843
2844 #define RECORD_SUFFIX "-record"
2845 #define REPORT_SUFFIX "-report"
2846
2847 struct script_desc {
2848 struct list_head node;
2849 char *name;
2850 char *half_liner;
2851 char *args;
2852 };
2853
2854 static LIST_HEAD(script_descs);
2855
script_desc__new(const char * name)2856 static struct script_desc *script_desc__new(const char *name)
2857 {
2858 struct script_desc *s = zalloc(sizeof(*s));
2859
2860 if (s != NULL && name)
2861 s->name = strdup(name);
2862
2863 return s;
2864 }
2865
script_desc__delete(struct script_desc * s)2866 static void script_desc__delete(struct script_desc *s)
2867 {
2868 zfree(&s->name);
2869 zfree(&s->half_liner);
2870 zfree(&s->args);
2871 free(s);
2872 }
2873
script_desc__add(struct script_desc * s)2874 static void script_desc__add(struct script_desc *s)
2875 {
2876 list_add_tail(&s->node, &script_descs);
2877 }
2878
script_desc__find(const char * name)2879 static struct script_desc *script_desc__find(const char *name)
2880 {
2881 struct script_desc *s;
2882
2883 list_for_each_entry(s, &script_descs, node)
2884 if (strcasecmp(s->name, name) == 0)
2885 return s;
2886 return NULL;
2887 }
2888
script_desc__findnew(const char * name)2889 static struct script_desc *script_desc__findnew(const char *name)
2890 {
2891 struct script_desc *s = script_desc__find(name);
2892
2893 if (s)
2894 return s;
2895
2896 s = script_desc__new(name);
2897 if (!s)
2898 return NULL;
2899
2900 script_desc__add(s);
2901
2902 return s;
2903 }
2904
ends_with(const char * str,const char * suffix)2905 static const char *ends_with(const char *str, const char *suffix)
2906 {
2907 size_t suffix_len = strlen(suffix);
2908 const char *p = str;
2909
2910 if (strlen(str) > suffix_len) {
2911 p = str + strlen(str) - suffix_len;
2912 if (!strncmp(p, suffix, suffix_len))
2913 return p;
2914 }
2915
2916 return NULL;
2917 }
2918
read_script_info(struct script_desc * desc,const char * filename)2919 static int read_script_info(struct script_desc *desc, const char *filename)
2920 {
2921 char line[BUFSIZ], *p;
2922 FILE *fp;
2923
2924 fp = fopen(filename, "r");
2925 if (!fp)
2926 return -1;
2927
2928 while (fgets(line, sizeof(line), fp)) {
2929 p = skip_spaces(line);
2930 if (strlen(p) == 0)
2931 continue;
2932 if (*p != '#')
2933 continue;
2934 p++;
2935 if (strlen(p) && *p == '!')
2936 continue;
2937
2938 p = skip_spaces(p);
2939 if (strlen(p) && p[strlen(p) - 1] == '\n')
2940 p[strlen(p) - 1] = '\0';
2941
2942 if (!strncmp(p, "description:", strlen("description:"))) {
2943 p += strlen("description:");
2944 desc->half_liner = strdup(skip_spaces(p));
2945 continue;
2946 }
2947
2948 if (!strncmp(p, "args:", strlen("args:"))) {
2949 p += strlen("args:");
2950 desc->args = strdup(skip_spaces(p));
2951 continue;
2952 }
2953 }
2954
2955 fclose(fp);
2956
2957 return 0;
2958 }
2959
get_script_root(struct dirent * script_dirent,const char * suffix)2960 static char *get_script_root(struct dirent *script_dirent, const char *suffix)
2961 {
2962 char *script_root, *str;
2963
2964 script_root = strdup(script_dirent->d_name);
2965 if (!script_root)
2966 return NULL;
2967
2968 str = (char *)ends_with(script_root, suffix);
2969 if (!str) {
2970 free(script_root);
2971 return NULL;
2972 }
2973
2974 *str = '\0';
2975 return script_root;
2976 }
2977
list_available_scripts(const struct option * opt __maybe_unused,const char * s __maybe_unused,int unset __maybe_unused)2978 static int list_available_scripts(const struct option *opt __maybe_unused,
2979 const char *s __maybe_unused,
2980 int unset __maybe_unused)
2981 {
2982 struct dirent *script_dirent, *lang_dirent;
2983 char scripts_path[MAXPATHLEN];
2984 DIR *scripts_dir, *lang_dir;
2985 char script_path[MAXPATHLEN];
2986 char lang_path[MAXPATHLEN];
2987 struct script_desc *desc;
2988 char first_half[BUFSIZ];
2989 char *script_root;
2990
2991 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2992
2993 scripts_dir = opendir(scripts_path);
2994 if (!scripts_dir) {
2995 fprintf(stdout,
2996 "open(%s) failed.\n"
2997 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
2998 scripts_path);
2999 exit(-1);
3000 }
3001
3002 for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3003 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3004 lang_dirent->d_name);
3005 lang_dir = opendir(lang_path);
3006 if (!lang_dir)
3007 continue;
3008
3009 for_each_script(lang_path, lang_dir, script_dirent) {
3010 script_root = get_script_root(script_dirent, REPORT_SUFFIX);
3011 if (script_root) {
3012 desc = script_desc__findnew(script_root);
3013 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3014 lang_path, script_dirent->d_name);
3015 read_script_info(desc, script_path);
3016 free(script_root);
3017 }
3018 }
3019 }
3020
3021 fprintf(stdout, "List of available trace scripts:\n");
3022 list_for_each_entry(desc, &script_descs, node) {
3023 sprintf(first_half, "%s %s", desc->name,
3024 desc->args ? desc->args : "");
3025 fprintf(stdout, " %-36s %s\n", first_half,
3026 desc->half_liner ? desc->half_liner : "");
3027 }
3028
3029 exit(0);
3030 }
3031
3032 /*
3033 * Some scripts specify the required events in their "xxx-record" file,
3034 * this function will check if the events in perf.data match those
3035 * mentioned in the "xxx-record".
3036 *
3037 * Fixme: All existing "xxx-record" are all in good formats "-e event ",
3038 * which is covered well now. And new parsing code should be added to
3039 * cover the future complexing formats like event groups etc.
3040 */
check_ev_match(char * dir_name,char * scriptname,struct perf_session * session)3041 static int check_ev_match(char *dir_name, char *scriptname,
3042 struct perf_session *session)
3043 {
3044 char filename[MAXPATHLEN], evname[128];
3045 char line[BUFSIZ], *p;
3046 struct evsel *pos;
3047 int match, len;
3048 FILE *fp;
3049
3050 scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
3051
3052 fp = fopen(filename, "r");
3053 if (!fp)
3054 return -1;
3055
3056 while (fgets(line, sizeof(line), fp)) {
3057 p = skip_spaces(line);
3058 if (*p == '#')
3059 continue;
3060
3061 while (strlen(p)) {
3062 p = strstr(p, "-e");
3063 if (!p)
3064 break;
3065
3066 p += 2;
3067 p = skip_spaces(p);
3068 len = strcspn(p, " \t");
3069 if (!len)
3070 break;
3071
3072 snprintf(evname, len + 1, "%s", p);
3073
3074 match = 0;
3075 evlist__for_each_entry(session->evlist, pos) {
3076 if (!strcmp(evsel__name(pos), evname)) {
3077 match = 1;
3078 break;
3079 }
3080 }
3081
3082 if (!match) {
3083 fclose(fp);
3084 return -1;
3085 }
3086 }
3087 }
3088
3089 fclose(fp);
3090 return 0;
3091 }
3092
3093 /*
3094 * Return -1 if none is found, otherwise the actual scripts number.
3095 *
3096 * Currently the only user of this function is the script browser, which
3097 * will list all statically runnable scripts, select one, execute it and
3098 * show the output in a perf browser.
3099 */
find_scripts(char ** scripts_array,char ** scripts_path_array,int num,int pathlen)3100 int find_scripts(char **scripts_array, char **scripts_path_array, int num,
3101 int pathlen)
3102 {
3103 struct dirent *script_dirent, *lang_dirent;
3104 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
3105 DIR *scripts_dir, *lang_dir;
3106 struct perf_session *session;
3107 struct perf_data data = {
3108 .path = input_name,
3109 .mode = PERF_DATA_MODE_READ,
3110 };
3111 char *temp;
3112 int i = 0;
3113
3114 session = perf_session__new(&data, false, NULL);
3115 if (IS_ERR(session))
3116 return PTR_ERR(session);
3117
3118 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3119
3120 scripts_dir = opendir(scripts_path);
3121 if (!scripts_dir) {
3122 perf_session__delete(session);
3123 return -1;
3124 }
3125
3126 for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3127 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
3128 lang_dirent->d_name);
3129 #ifndef HAVE_LIBPERL_SUPPORT
3130 if (strstr(lang_path, "perl"))
3131 continue;
3132 #endif
3133 #ifndef HAVE_LIBPYTHON_SUPPORT
3134 if (strstr(lang_path, "python"))
3135 continue;
3136 #endif
3137
3138 lang_dir = opendir(lang_path);
3139 if (!lang_dir)
3140 continue;
3141
3142 for_each_script(lang_path, lang_dir, script_dirent) {
3143 /* Skip those real time scripts: xxxtop.p[yl] */
3144 if (strstr(script_dirent->d_name, "top."))
3145 continue;
3146 if (i >= num)
3147 break;
3148 snprintf(scripts_path_array[i], pathlen, "%s/%s",
3149 lang_path,
3150 script_dirent->d_name);
3151 temp = strchr(script_dirent->d_name, '.');
3152 snprintf(scripts_array[i],
3153 (temp - script_dirent->d_name) + 1,
3154 "%s", script_dirent->d_name);
3155
3156 if (check_ev_match(lang_path,
3157 scripts_array[i], session))
3158 continue;
3159
3160 i++;
3161 }
3162 closedir(lang_dir);
3163 }
3164
3165 closedir(scripts_dir);
3166 perf_session__delete(session);
3167 return i;
3168 }
3169
get_script_path(const char * script_root,const char * suffix)3170 static char *get_script_path(const char *script_root, const char *suffix)
3171 {
3172 struct dirent *script_dirent, *lang_dirent;
3173 char scripts_path[MAXPATHLEN];
3174 char script_path[MAXPATHLEN];
3175 DIR *scripts_dir, *lang_dir;
3176 char lang_path[MAXPATHLEN];
3177 char *__script_root;
3178
3179 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3180
3181 scripts_dir = opendir(scripts_path);
3182 if (!scripts_dir)
3183 return NULL;
3184
3185 for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3186 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3187 lang_dirent->d_name);
3188 lang_dir = opendir(lang_path);
3189 if (!lang_dir)
3190 continue;
3191
3192 for_each_script(lang_path, lang_dir, script_dirent) {
3193 __script_root = get_script_root(script_dirent, suffix);
3194 if (__script_root && !strcmp(script_root, __script_root)) {
3195 free(__script_root);
3196 closedir(scripts_dir);
3197 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3198 lang_path, script_dirent->d_name);
3199 closedir(lang_dir);
3200 return strdup(script_path);
3201 }
3202 free(__script_root);
3203 }
3204 closedir(lang_dir);
3205 }
3206 closedir(scripts_dir);
3207
3208 return NULL;
3209 }
3210
is_top_script(const char * script_path)3211 static bool is_top_script(const char *script_path)
3212 {
3213 return ends_with(script_path, "top") == NULL ? false : true;
3214 }
3215
has_required_arg(char * script_path)3216 static int has_required_arg(char *script_path)
3217 {
3218 struct script_desc *desc;
3219 int n_args = 0;
3220 char *p;
3221
3222 desc = script_desc__new(NULL);
3223
3224 if (read_script_info(desc, script_path))
3225 goto out;
3226
3227 if (!desc->args)
3228 goto out;
3229
3230 for (p = desc->args; *p; p++)
3231 if (*p == '<')
3232 n_args++;
3233 out:
3234 script_desc__delete(desc);
3235
3236 return n_args;
3237 }
3238
have_cmd(int argc,const char ** argv)3239 static int have_cmd(int argc, const char **argv)
3240 {
3241 char **__argv = malloc(sizeof(const char *) * argc);
3242
3243 if (!__argv) {
3244 pr_err("malloc failed\n");
3245 return -1;
3246 }
3247
3248 memcpy(__argv, argv, sizeof(const char *) * argc);
3249 argc = parse_options(argc, (const char **)__argv, record_options,
3250 NULL, PARSE_OPT_STOP_AT_NON_OPTION);
3251 free(__argv);
3252
3253 system_wide = (argc == 0);
3254
3255 return 0;
3256 }
3257
script__setup_sample_type(struct perf_script * script)3258 static void script__setup_sample_type(struct perf_script *script)
3259 {
3260 struct perf_session *session = script->session;
3261 u64 sample_type = evlist__combined_sample_type(session->evlist);
3262
3263 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
3264 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
3265 (sample_type & PERF_SAMPLE_STACK_USER)) {
3266 callchain_param.record_mode = CALLCHAIN_DWARF;
3267 dwarf_callchain_users = true;
3268 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
3269 callchain_param.record_mode = CALLCHAIN_LBR;
3270 else
3271 callchain_param.record_mode = CALLCHAIN_FP;
3272 }
3273
3274 if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) {
3275 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
3276 "Please apply --call-graph lbr when recording.\n");
3277 script->stitch_lbr = false;
3278 }
3279 }
3280
process_stat_round_event(struct perf_session * session,union perf_event * event)3281 static int process_stat_round_event(struct perf_session *session,
3282 union perf_event *event)
3283 {
3284 struct perf_record_stat_round *round = &event->stat_round;
3285 struct evsel *counter;
3286
3287 evlist__for_each_entry(session->evlist, counter) {
3288 perf_stat_process_counter(&stat_config, counter);
3289 process_stat(counter, round->time);
3290 }
3291
3292 process_stat_interval(round->time);
3293 return 0;
3294 }
3295
process_stat_config_event(struct perf_session * session __maybe_unused,union perf_event * event)3296 static int process_stat_config_event(struct perf_session *session __maybe_unused,
3297 union perf_event *event)
3298 {
3299 perf_event__read_stat_config(&stat_config, &event->stat_config);
3300 return 0;
3301 }
3302
set_maps(struct perf_script * script)3303 static int set_maps(struct perf_script *script)
3304 {
3305 struct evlist *evlist = script->session->evlist;
3306
3307 if (!script->cpus || !script->threads)
3308 return 0;
3309
3310 if (WARN_ONCE(script->allocated, "stats double allocation\n"))
3311 return -EINVAL;
3312
3313 perf_evlist__set_maps(&evlist->core, script->cpus, script->threads);
3314
3315 if (perf_evlist__alloc_stats(evlist, true))
3316 return -ENOMEM;
3317
3318 script->allocated = true;
3319 return 0;
3320 }
3321
3322 static
process_thread_map_event(struct perf_session * session,union perf_event * event)3323 int process_thread_map_event(struct perf_session *session,
3324 union perf_event *event)
3325 {
3326 struct perf_tool *tool = session->tool;
3327 struct perf_script *script = container_of(tool, struct perf_script, tool);
3328
3329 if (script->threads) {
3330 pr_warning("Extra thread map event, ignoring.\n");
3331 return 0;
3332 }
3333
3334 script->threads = thread_map__new_event(&event->thread_map);
3335 if (!script->threads)
3336 return -ENOMEM;
3337
3338 return set_maps(script);
3339 }
3340
3341 static
process_cpu_map_event(struct perf_session * session,union perf_event * event)3342 int process_cpu_map_event(struct perf_session *session,
3343 union perf_event *event)
3344 {
3345 struct perf_tool *tool = session->tool;
3346 struct perf_script *script = container_of(tool, struct perf_script, tool);
3347
3348 if (script->cpus) {
3349 pr_warning("Extra cpu map event, ignoring.\n");
3350 return 0;
3351 }
3352
3353 script->cpus = cpu_map__new_data(&event->cpu_map.data);
3354 if (!script->cpus)
3355 return -ENOMEM;
3356
3357 return set_maps(script);
3358 }
3359
process_feature_event(struct perf_session * session,union perf_event * event)3360 static int process_feature_event(struct perf_session *session,
3361 union perf_event *event)
3362 {
3363 if (event->feat.feat_id < HEADER_LAST_FEATURE)
3364 return perf_event__process_feature(session, event);
3365 return 0;
3366 }
3367
3368 #ifdef HAVE_AUXTRACE_SUPPORT
perf_script__process_auxtrace_info(struct perf_session * session,union perf_event * event)3369 static int perf_script__process_auxtrace_info(struct perf_session *session,
3370 union perf_event *event)
3371 {
3372 struct perf_tool *tool = session->tool;
3373
3374 int ret = perf_event__process_auxtrace_info(session, event);
3375
3376 if (ret == 0) {
3377 struct perf_script *script = container_of(tool, struct perf_script, tool);
3378
3379 ret = perf_script__setup_per_event_dump(script);
3380 }
3381
3382 return ret;
3383 }
3384 #else
3385 #define perf_script__process_auxtrace_info 0
3386 #endif
3387
parse_insn_trace(const struct option * opt __maybe_unused,const char * str __maybe_unused,int unset __maybe_unused)3388 static int parse_insn_trace(const struct option *opt __maybe_unused,
3389 const char *str __maybe_unused,
3390 int unset __maybe_unused)
3391 {
3392 parse_output_fields(NULL, "+insn,-event,-period", 0);
3393 itrace_parse_synth_opts(opt, "i0ns", 0);
3394 symbol_conf.nanosecs = true;
3395 return 0;
3396 }
3397
parse_xed(const struct option * opt __maybe_unused,const char * str __maybe_unused,int unset __maybe_unused)3398 static int parse_xed(const struct option *opt __maybe_unused,
3399 const char *str __maybe_unused,
3400 int unset __maybe_unused)
3401 {
3402 if (isatty(1))
3403 force_pager("xed -F insn: -A -64 | less");
3404 else
3405 force_pager("xed -F insn: -A -64");
3406 return 0;
3407 }
3408
parse_call_trace(const struct option * opt __maybe_unused,const char * str __maybe_unused,int unset __maybe_unused)3409 static int parse_call_trace(const struct option *opt __maybe_unused,
3410 const char *str __maybe_unused,
3411 int unset __maybe_unused)
3412 {
3413 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
3414 itrace_parse_synth_opts(opt, "cewp", 0);
3415 symbol_conf.nanosecs = true;
3416 symbol_conf.pad_output_len_dso = 50;
3417 return 0;
3418 }
3419
parse_callret_trace(const struct option * opt __maybe_unused,const char * str __maybe_unused,int unset __maybe_unused)3420 static int parse_callret_trace(const struct option *opt __maybe_unused,
3421 const char *str __maybe_unused,
3422 int unset __maybe_unused)
3423 {
3424 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
3425 itrace_parse_synth_opts(opt, "crewp", 0);
3426 symbol_conf.nanosecs = true;
3427 return 0;
3428 }
3429
cmd_script(int argc,const char ** argv)3430 int cmd_script(int argc, const char **argv)
3431 {
3432 bool show_full_info = false;
3433 bool header = false;
3434 bool header_only = false;
3435 bool script_started = false;
3436 char *rec_script_path = NULL;
3437 char *rep_script_path = NULL;
3438 struct perf_session *session;
3439 struct itrace_synth_opts itrace_synth_opts = {
3440 .set = false,
3441 .default_no_sample = true,
3442 };
3443 struct utsname uts;
3444 char *script_path = NULL;
3445 const char **__argv;
3446 int i, j, err = 0;
3447 struct perf_script script = {
3448 .tool = {
3449 .sample = process_sample_event,
3450 .mmap = perf_event__process_mmap,
3451 .mmap2 = perf_event__process_mmap2,
3452 .comm = perf_event__process_comm,
3453 .namespaces = perf_event__process_namespaces,
3454 .cgroup = perf_event__process_cgroup,
3455 .exit = perf_event__process_exit,
3456 .fork = perf_event__process_fork,
3457 .attr = process_attr,
3458 .event_update = perf_event__process_event_update,
3459 .tracing_data = perf_event__process_tracing_data,
3460 .feature = process_feature_event,
3461 .build_id = perf_event__process_build_id,
3462 .id_index = perf_event__process_id_index,
3463 .auxtrace_info = perf_script__process_auxtrace_info,
3464 .auxtrace = perf_event__process_auxtrace,
3465 .auxtrace_error = perf_event__process_auxtrace_error,
3466 .stat = perf_event__process_stat_event,
3467 .stat_round = process_stat_round_event,
3468 .stat_config = process_stat_config_event,
3469 .thread_map = process_thread_map_event,
3470 .cpu_map = process_cpu_map_event,
3471 .ordered_events = true,
3472 .ordering_requires_timestamps = true,
3473 },
3474 };
3475 struct perf_data data = {
3476 .mode = PERF_DATA_MODE_READ,
3477 };
3478 const struct option options[] = {
3479 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3480 "dump raw trace in ASCII"),
3481 OPT_INCR('v', "verbose", &verbose,
3482 "be more verbose (show symbol address, etc)"),
3483 OPT_BOOLEAN('L', "Latency", &latency_format,
3484 "show latency attributes (irqs/preemption disabled, etc)"),
3485 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3486 list_available_scripts),
3487 OPT_CALLBACK('s', "script", NULL, "name",
3488 "script file name (lang:script name, script name, or *)",
3489 parse_scriptname),
3490 OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3491 "generate perf-script.xx script in specified language"),
3492 OPT_STRING('i', "input", &input_name, "file", "input file name"),
3493 OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3494 "do various checks like samples ordering and lost events"),
3495 OPT_BOOLEAN(0, "header", &header, "Show data header."),
3496 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3497 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3498 "file", "vmlinux pathname"),
3499 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3500 "file", "kallsyms pathname"),
3501 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3502 "When printing symbols do not display call chain"),
3503 OPT_CALLBACK(0, "symfs", NULL, "directory",
3504 "Look for files with symbols relative to this directory",
3505 symbol__config_symfs),
3506 OPT_CALLBACK('F', "fields", NULL, "str",
3507 "comma separated output fields prepend with 'type:'. "
3508 "+field to add and -field to remove."
3509 "Valid types: hw,sw,trace,raw,synth. "
3510 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
3511 "addr,symoff,srcline,period,iregs,uregs,brstack,"
3512 "brstacksym,flags,bpf-output,brstackinsn,brstackoff,"
3513 "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc,tod",
3514 parse_output_fields),
3515 OPT_BOOLEAN('a', "all-cpus", &system_wide,
3516 "system-wide collection from all CPUs"),
3517 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3518 "only consider these symbols"),
3519 OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL,
3520 "Decode instructions from itrace", parse_insn_trace),
3521 OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
3522 "Run xed disassembler on output", parse_xed),
3523 OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
3524 "Decode calls from from itrace", parse_call_trace),
3525 OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
3526 "Decode calls and returns from itrace", parse_callret_trace),
3527 OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",
3528 "Only print symbols and callees with --call-trace/--call-ret-trace"),
3529 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3530 "Stop display of callgraph at these symbols"),
3531 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3532 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3533 "only display events for these comms"),
3534 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3535 "only consider symbols in these pids"),
3536 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3537 "only consider symbols in these tids"),
3538 OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3539 "Set the maximum stack depth when parsing the callchain, "
3540 "anything beyond the specified depth will be ignored. "
3541 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3542 OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"),
3543 OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"),
3544 OPT_BOOLEAN('I', "show-info", &show_full_info,
3545 "display extended information from perf.data file"),
3546 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3547 "Show the path of [kernel.kallsyms]"),
3548 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3549 "Show the fork/comm/exit events"),
3550 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3551 "Show the mmap events"),
3552 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3553 "Show context switch events (if recorded)"),
3554 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3555 "Show namespace events (if recorded)"),
3556 OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events,
3557 "Show cgroup events (if recorded)"),
3558 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3559 "Show lost events (if recorded)"),
3560 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3561 "Show round events (if recorded)"),
3562 OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events,
3563 "Show bpf related events (if recorded)"),
3564 OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events,
3565 "Show text poke related events (if recorded)"),
3566 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
3567 "Dump trace output to files named by the monitored events"),
3568 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3569 OPT_INTEGER(0, "max-blocks", &max_blocks,
3570 "Maximum number of code blocks to dump with brstackinsn"),
3571 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs,
3572 "Use 9 decimal places when displaying time"),
3573 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
3574 "Instruction Tracing options\n" ITRACE_HELP,
3575 itrace_parse_synth_opts),
3576 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
3577 "Show full source file name path for source lines"),
3578 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
3579 "Enable symbol demangling"),
3580 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
3581 "Enable kernel symbol demangling"),
3582 OPT_STRING(0, "time", &script.time_str, "str",
3583 "Time span of interest (start,stop)"),
3584 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
3585 "Show inline function"),
3586 OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
3587 "guest mount directory under which every guest os"
3588 " instance has a subdir"),
3589 OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name,
3590 "file", "file saving guest os vmlinux"),
3591 OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms,
3592 "file", "file saving guest os /proc/kallsyms"),
3593 OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
3594 "file", "file saving guest os /proc/modules"),
3595 OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr,
3596 "Enable LBR callgraph stitching approach"),
3597 OPTS_EVSWITCH(&script.evswitch),
3598 OPT_END()
3599 };
3600 const char * const script_subcommands[] = { "record", "report", NULL };
3601 const char *script_usage[] = {
3602 "perf script [<options>]",
3603 "perf script [<options>] record <script> [<record-options>] <command>",
3604 "perf script [<options>] report <script> [script-args]",
3605 "perf script [<options>] <script> [<record-options>] <command>",
3606 "perf script [<options>] <top-script> [script-args]",
3607 NULL
3608 };
3609
3610 perf_set_singlethreaded();
3611
3612 setup_scripting();
3613
3614 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3615 PARSE_OPT_STOP_AT_NON_OPTION);
3616
3617 if (symbol_conf.guestmount ||
3618 symbol_conf.default_guest_vmlinux_name ||
3619 symbol_conf.default_guest_kallsyms ||
3620 symbol_conf.default_guest_modules) {
3621 /*
3622 * Enable guest sample processing.
3623 */
3624 perf_guest = true;
3625 }
3626
3627 data.path = input_name;
3628 data.force = symbol_conf.force;
3629
3630 if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
3631 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
3632 if (!rec_script_path)
3633 return cmd_record(argc, argv);
3634 }
3635
3636 if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
3637 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
3638 if (!rep_script_path) {
3639 fprintf(stderr,
3640 "Please specify a valid report script"
3641 "(see 'perf script -l' for listing)\n");
3642 return -1;
3643 }
3644 }
3645
3646 if (reltime && deltatime) {
3647 fprintf(stderr,
3648 "reltime and deltatime - the two don't get along well. "
3649 "Please limit to --reltime or --deltatime.\n");
3650 return -1;
3651 }
3652
3653 if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) &&
3654 itrace_synth_opts.callchain_sz > scripting_max_stack)
3655 scripting_max_stack = itrace_synth_opts.callchain_sz;
3656
3657 /* make sure PERF_EXEC_PATH is set for scripts */
3658 set_argv_exec_path(get_argv_exec_path());
3659
3660 if (argc && !script_name && !rec_script_path && !rep_script_path) {
3661 int live_pipe[2];
3662 int rep_args;
3663 pid_t pid;
3664
3665 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
3666 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
3667
3668 if (!rec_script_path && !rep_script_path) {
3669 usage_with_options_msg(script_usage, options,
3670 "Couldn't find script `%s'\n\n See perf"
3671 " script -l for available scripts.\n", argv[0]);
3672 }
3673
3674 if (is_top_script(argv[0])) {
3675 rep_args = argc - 1;
3676 } else {
3677 int rec_args;
3678
3679 rep_args = has_required_arg(rep_script_path);
3680 rec_args = (argc - 1) - rep_args;
3681 if (rec_args < 0) {
3682 usage_with_options_msg(script_usage, options,
3683 "`%s' script requires options."
3684 "\n\n See perf script -l for available "
3685 "scripts and options.\n", argv[0]);
3686 }
3687 }
3688
3689 if (pipe(live_pipe) < 0) {
3690 perror("failed to create pipe");
3691 return -1;
3692 }
3693
3694 pid = fork();
3695 if (pid < 0) {
3696 perror("failed to fork");
3697 return -1;
3698 }
3699
3700 if (!pid) {
3701 j = 0;
3702
3703 dup2(live_pipe[1], 1);
3704 close(live_pipe[0]);
3705
3706 if (is_top_script(argv[0])) {
3707 system_wide = true;
3708 } else if (!system_wide) {
3709 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
3710 err = -1;
3711 goto out;
3712 }
3713 }
3714
3715 __argv = malloc((argc + 6) * sizeof(const char *));
3716 if (!__argv) {
3717 pr_err("malloc failed\n");
3718 err = -ENOMEM;
3719 goto out;
3720 }
3721
3722 __argv[j++] = "/bin/sh";
3723 __argv[j++] = rec_script_path;
3724 if (system_wide)
3725 __argv[j++] = "-a";
3726 __argv[j++] = "-q";
3727 __argv[j++] = "-o";
3728 __argv[j++] = "-";
3729 for (i = rep_args + 1; i < argc; i++)
3730 __argv[j++] = argv[i];
3731 __argv[j++] = NULL;
3732
3733 execvp("/bin/sh", (char **)__argv);
3734 free(__argv);
3735 exit(-1);
3736 }
3737
3738 dup2(live_pipe[0], 0);
3739 close(live_pipe[1]);
3740
3741 __argv = malloc((argc + 4) * sizeof(const char *));
3742 if (!__argv) {
3743 pr_err("malloc failed\n");
3744 err = -ENOMEM;
3745 goto out;
3746 }
3747
3748 j = 0;
3749 __argv[j++] = "/bin/sh";
3750 __argv[j++] = rep_script_path;
3751 for (i = 1; i < rep_args + 1; i++)
3752 __argv[j++] = argv[i];
3753 __argv[j++] = "-i";
3754 __argv[j++] = "-";
3755 __argv[j++] = NULL;
3756
3757 execvp("/bin/sh", (char **)__argv);
3758 free(__argv);
3759 exit(-1);
3760 }
3761
3762 if (rec_script_path)
3763 script_path = rec_script_path;
3764 if (rep_script_path)
3765 script_path = rep_script_path;
3766
3767 if (script_path) {
3768 j = 0;
3769
3770 if (!rec_script_path)
3771 system_wide = false;
3772 else if (!system_wide) {
3773 if (have_cmd(argc - 1, &argv[1]) != 0) {
3774 err = -1;
3775 goto out;
3776 }
3777 }
3778
3779 __argv = malloc((argc + 2) * sizeof(const char *));
3780 if (!__argv) {
3781 pr_err("malloc failed\n");
3782 err = -ENOMEM;
3783 goto out;
3784 }
3785
3786 __argv[j++] = "/bin/sh";
3787 __argv[j++] = script_path;
3788 if (system_wide)
3789 __argv[j++] = "-a";
3790 for (i = 2; i < argc; i++)
3791 __argv[j++] = argv[i];
3792 __argv[j++] = NULL;
3793
3794 execvp("/bin/sh", (char **)__argv);
3795 free(__argv);
3796 exit(-1);
3797 }
3798
3799 if (!script_name) {
3800 setup_pager();
3801 use_browser = 0;
3802 }
3803
3804 session = perf_session__new(&data, false, &script.tool);
3805 if (IS_ERR(session))
3806 return PTR_ERR(session);
3807
3808 if (header || header_only) {
3809 script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
3810 perf_session__fprintf_info(session, stdout, show_full_info);
3811 if (header_only)
3812 goto out_delete;
3813 }
3814 if (show_full_info)
3815 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
3816
3817 if (symbol__init(&session->header.env) < 0)
3818 goto out_delete;
3819
3820 uname(&uts);
3821 if (data.is_pipe) { /* Assume pipe_mode indicates native_arch */
3822 native_arch = true;
3823 } else if (session->header.env.arch) {
3824 if (!strcmp(uts.machine, session->header.env.arch))
3825 native_arch = true;
3826 else if (!strcmp(uts.machine, "x86_64") &&
3827 !strcmp(session->header.env.arch, "i386"))
3828 native_arch = true;
3829 }
3830
3831 script.session = session;
3832 script__setup_sample_type(&script);
3833
3834 if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) ||
3835 symbol_conf.graph_function)
3836 itrace_synth_opts.thread_stack = true;
3837
3838 session->itrace_synth_opts = &itrace_synth_opts;
3839
3840 if (cpu_list) {
3841 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
3842 if (err < 0)
3843 goto out_delete;
3844 itrace_synth_opts.cpu_bitmap = cpu_bitmap;
3845 }
3846
3847 if (!no_callchain)
3848 symbol_conf.use_callchain = true;
3849 else
3850 symbol_conf.use_callchain = false;
3851
3852 if (session->tevent.pevent &&
3853 tep_set_function_resolver(session->tevent.pevent,
3854 machine__resolve_kernel_addr,
3855 &session->machines.host) < 0) {
3856 pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
3857 err = -1;
3858 goto out_delete;
3859 }
3860
3861 if (generate_script_lang) {
3862 struct stat perf_stat;
3863 int input;
3864
3865 if (output_set_by_user()) {
3866 fprintf(stderr,
3867 "custom fields not supported for generated scripts");
3868 err = -EINVAL;
3869 goto out_delete;
3870 }
3871
3872 input = open(data.path, O_RDONLY); /* input_name */
3873 if (input < 0) {
3874 err = -errno;
3875 perror("failed to open file");
3876 goto out_delete;
3877 }
3878
3879 err = fstat(input, &perf_stat);
3880 if (err < 0) {
3881 perror("failed to stat file");
3882 goto out_delete;
3883 }
3884
3885 if (!perf_stat.st_size) {
3886 fprintf(stderr, "zero-sized file, nothing to do!\n");
3887 goto out_delete;
3888 }
3889
3890 scripting_ops = script_spec__lookup(generate_script_lang);
3891 if (!scripting_ops) {
3892 fprintf(stderr, "invalid language specifier");
3893 err = -ENOENT;
3894 goto out_delete;
3895 }
3896
3897 err = scripting_ops->generate_script(session->tevent.pevent,
3898 "perf-script");
3899 goto out_delete;
3900 }
3901
3902 if (script_name) {
3903 err = scripting_ops->start_script(script_name, argc, argv);
3904 if (err)
3905 goto out_delete;
3906 pr_debug("perf script started with script %s\n\n", script_name);
3907 script_started = true;
3908 }
3909
3910
3911 err = perf_session__check_output_opt(session);
3912 if (err < 0)
3913 goto out_delete;
3914
3915 if (script.time_str) {
3916 err = perf_time__parse_for_ranges_reltime(script.time_str, session,
3917 &script.ptime_range,
3918 &script.range_size,
3919 &script.range_num,
3920 reltime);
3921 if (err < 0)
3922 goto out_delete;
3923
3924 itrace_synth_opts__set_time_range(&itrace_synth_opts,
3925 script.ptime_range,
3926 script.range_num);
3927 }
3928
3929 err = evswitch__init(&script.evswitch, session->evlist, stderr);
3930 if (err)
3931 goto out_delete;
3932
3933 if (zstd_init(&(session->zstd_data), 0) < 0)
3934 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n");
3935
3936 err = __cmd_script(&script);
3937
3938 flush_scripting();
3939
3940 out_delete:
3941 if (script.ptime_range) {
3942 itrace_synth_opts__clear_time_range(&itrace_synth_opts);
3943 zfree(&script.ptime_range);
3944 }
3945
3946 perf_evlist__free_stats(session->evlist);
3947 perf_session__delete(session);
3948 perf_script__exit(&script);
3949
3950 if (script_started)
3951 cleanup_scripting();
3952 out:
3953 return err;
3954 }
3955