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
perf_evsel_script__new(struct evsel * evsel,struct perf_data * data)298 static struct evsel_script *perf_evsel_script__new(struct evsel *evsel,
299 struct perf_data *data)
300 {
301 struct evsel_script *es = zalloc(sizeof(*es));
302
303 if (es != NULL) {
304 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0)
305 goto out_free;
306 es->fp = fopen(es->filename, "w");
307 if (es->fp == NULL)
308 goto out_free_filename;
309 }
310
311 return es;
312 out_free_filename:
313 zfree(&es->filename);
314 out_free:
315 free(es);
316 return NULL;
317 }
318
perf_evsel_script__delete(struct evsel_script * es)319 static void perf_evsel_script__delete(struct evsel_script *es)
320 {
321 zfree(&es->filename);
322 fclose(es->fp);
323 es->fp = NULL;
324 free(es);
325 }
326
perf_evsel_script__fprintf(struct evsel_script * es,FILE * fp)327 static int perf_evsel_script__fprintf(struct evsel_script *es, FILE *fp)
328 {
329 struct stat st;
330
331 fstat(fileno(es->fp), &st);
332 return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
333 st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
334 }
335
output_type(unsigned int type)336 static inline int output_type(unsigned int type)
337 {
338 switch (type) {
339 case PERF_TYPE_SYNTH:
340 return OUTPUT_TYPE_SYNTH;
341 default:
342 return type;
343 }
344 }
345
attr_type(unsigned int type)346 static inline unsigned int attr_type(unsigned int type)
347 {
348 switch (type) {
349 case OUTPUT_TYPE_SYNTH:
350 return PERF_TYPE_SYNTH;
351 default:
352 return type;
353 }
354 }
355
output_set_by_user(void)356 static bool output_set_by_user(void)
357 {
358 int j;
359 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
360 if (output[j].user_set)
361 return true;
362 }
363 return false;
364 }
365
output_field2str(enum perf_output_field field)366 static const char *output_field2str(enum perf_output_field field)
367 {
368 int i, imax = ARRAY_SIZE(all_output_options);
369 const char *str = "";
370
371 for (i = 0; i < imax; ++i) {
372 if (all_output_options[i].field == field) {
373 str = all_output_options[i].str;
374 break;
375 }
376 }
377 return str;
378 }
379
380 #define PRINT_FIELD(x) (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
381
evsel__do_check_stype(struct evsel * evsel,u64 sample_type,const char * sample_msg,enum perf_output_field field,bool allow_user_set)382 static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
383 enum perf_output_field field, bool allow_user_set)
384 {
385 struct perf_event_attr *attr = &evsel->core.attr;
386 int type = output_type(attr->type);
387 const char *evname;
388
389 if (attr->sample_type & sample_type)
390 return 0;
391
392 if (output[type].user_set_fields & field) {
393 if (allow_user_set)
394 return 0;
395 evname = evsel__name(evsel);
396 pr_err("Samples for '%s' event do not have %s attribute set. "
397 "Cannot print '%s' field.\n",
398 evname, sample_msg, output_field2str(field));
399 return -1;
400 }
401
402 /* user did not ask for it explicitly so remove from the default list */
403 output[type].fields &= ~field;
404 evname = evsel__name(evsel);
405 pr_debug("Samples for '%s' event do not have %s attribute set. "
406 "Skipping '%s' field.\n",
407 evname, sample_msg, output_field2str(field));
408
409 return 0;
410 }
411
evsel__check_stype(struct evsel * evsel,u64 sample_type,const char * sample_msg,enum perf_output_field field)412 static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
413 enum perf_output_field field)
414 {
415 return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false);
416 }
417
evsel__check_attr(struct evsel * evsel,struct perf_session * session)418 static int evsel__check_attr(struct evsel *evsel, struct perf_session *session)
419 {
420 struct perf_event_attr *attr = &evsel->core.attr;
421 bool allow_user_set;
422
423 if (perf_header__has_feat(&session->header, HEADER_STAT))
424 return 0;
425
426 allow_user_set = perf_header__has_feat(&session->header,
427 HEADER_AUXTRACE);
428
429 if (PRINT_FIELD(TRACE) &&
430 !perf_session__has_traces(session, "record -R"))
431 return -EINVAL;
432
433 if (PRINT_FIELD(IP)) {
434 if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP))
435 return -EINVAL;
436 }
437
438 if (PRINT_FIELD(ADDR) &&
439 evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set))
440 return -EINVAL;
441
442 if (PRINT_FIELD(DATA_SRC) &&
443 evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC))
444 return -EINVAL;
445
446 if (PRINT_FIELD(WEIGHT) &&
447 evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT", PERF_OUTPUT_WEIGHT))
448 return -EINVAL;
449
450 if (PRINT_FIELD(SYM) &&
451 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
452 pr_err("Display of symbols requested but neither sample IP nor "
453 "sample address\navailable. Hence, no addresses to convert "
454 "to symbols.\n");
455 return -EINVAL;
456 }
457 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
458 pr_err("Display of offsets requested but symbol is not"
459 "selected.\n");
460 return -EINVAL;
461 }
462 if (PRINT_FIELD(DSO) &&
463 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
464 pr_err("Display of DSO requested but no address to convert.\n");
465 return -EINVAL;
466 }
467 if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) {
468 pr_err("Display of source line number requested but sample IP is not\n"
469 "selected. Hence, no address to lookup the source line number.\n");
470 return -EINVAL;
471 }
472 if (PRINT_FIELD(BRSTACKINSN) && !allow_user_set &&
473 !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) {
474 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
475 "Hint: run 'perf record -b ...'\n");
476 return -EINVAL;
477 }
478 if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
479 evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID))
480 return -EINVAL;
481
482 if (PRINT_FIELD(TIME) &&
483 evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME))
484 return -EINVAL;
485
486 if (PRINT_FIELD(CPU) &&
487 evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set))
488 return -EINVAL;
489
490 if (PRINT_FIELD(IREGS) &&
491 evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set))
492 return -EINVAL;
493
494 if (PRINT_FIELD(UREGS) &&
495 evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS))
496 return -EINVAL;
497
498 if (PRINT_FIELD(PHYS_ADDR) &&
499 evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR))
500 return -EINVAL;
501
502 return 0;
503 }
504
set_print_ip_opts(struct perf_event_attr * attr)505 static void set_print_ip_opts(struct perf_event_attr *attr)
506 {
507 unsigned int type = output_type(attr->type);
508
509 output[type].print_ip_opts = 0;
510 if (PRINT_FIELD(IP))
511 output[type].print_ip_opts |= EVSEL__PRINT_IP;
512
513 if (PRINT_FIELD(SYM))
514 output[type].print_ip_opts |= EVSEL__PRINT_SYM;
515
516 if (PRINT_FIELD(DSO))
517 output[type].print_ip_opts |= EVSEL__PRINT_DSO;
518
519 if (PRINT_FIELD(SYMOFFSET))
520 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
521
522 if (PRINT_FIELD(SRCLINE))
523 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
524 }
525
526 /*
527 * verify all user requested events exist and the samples
528 * have the expected data
529 */
perf_session__check_output_opt(struct perf_session * session)530 static int perf_session__check_output_opt(struct perf_session *session)
531 {
532 bool tod = false;
533 unsigned int j;
534 struct evsel *evsel;
535
536 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
537 evsel = perf_session__find_first_evtype(session, attr_type(j));
538
539 /*
540 * even if fields is set to 0 (ie., show nothing) event must
541 * exist if user explicitly includes it on the command line
542 */
543 if (!evsel && output[j].user_set && !output[j].wildcard_set &&
544 j != OUTPUT_TYPE_SYNTH) {
545 pr_err("%s events do not exist. "
546 "Remove corresponding -F option to proceed.\n",
547 event_type(j));
548 return -1;
549 }
550
551 if (evsel && output[j].fields &&
552 evsel__check_attr(evsel, session))
553 return -1;
554
555 if (evsel == NULL)
556 continue;
557
558 set_print_ip_opts(&evsel->core.attr);
559 tod |= output[j].fields & PERF_OUTPUT_TOD;
560 }
561
562 if (!no_callchain) {
563 bool use_callchain = false;
564 bool not_pipe = false;
565
566 evlist__for_each_entry(session->evlist, evsel) {
567 not_pipe = true;
568 if (evsel__has_callchain(evsel)) {
569 use_callchain = true;
570 break;
571 }
572 }
573 if (not_pipe && !use_callchain)
574 symbol_conf.use_callchain = false;
575 }
576
577 /*
578 * set default for tracepoints to print symbols only
579 * if callchains are present
580 */
581 if (symbol_conf.use_callchain &&
582 !output[PERF_TYPE_TRACEPOINT].user_set) {
583 j = PERF_TYPE_TRACEPOINT;
584
585 evlist__for_each_entry(session->evlist, evsel) {
586 if (evsel->core.attr.type != j)
587 continue;
588
589 if (evsel__has_callchain(evsel)) {
590 output[j].fields |= PERF_OUTPUT_IP;
591 output[j].fields |= PERF_OUTPUT_SYM;
592 output[j].fields |= PERF_OUTPUT_SYMOFFSET;
593 output[j].fields |= PERF_OUTPUT_DSO;
594 set_print_ip_opts(&evsel->core.attr);
595 goto out;
596 }
597 }
598 }
599
600 if (tod && !session->header.env.clock.enabled) {
601 pr_err("Can't provide 'tod' time, missing clock data. "
602 "Please record with -k/--clockid option.\n");
603 return -1;
604 }
605 out:
606 return 0;
607 }
608
perf_sample__fprintf_regs(struct regs_dump * regs,uint64_t mask,FILE * fp)609 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask,
610 FILE *fp)
611 {
612 unsigned i = 0, r;
613 int printed = 0;
614
615 if (!regs || !regs->regs)
616 return 0;
617
618 printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
619
620 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
621 u64 val = regs->regs[i++];
622 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
623 }
624
625 return printed;
626 }
627
628 #define DEFAULT_TOD_FMT "%F %H:%M:%S"
629
630 static char*
tod_scnprintf(struct perf_script * script,char * buf,int buflen,u64 timestamp)631 tod_scnprintf(struct perf_script *script, char *buf, int buflen,
632 u64 timestamp)
633 {
634 u64 tod_ns, clockid_ns;
635 struct perf_env *env;
636 unsigned long nsec;
637 struct tm ltime;
638 char date[64];
639 time_t sec;
640
641 buf[0] = '\0';
642 if (buflen < 64 || !script)
643 return buf;
644
645 env = &script->session->header.env;
646 if (!env->clock.enabled) {
647 scnprintf(buf, buflen, "disabled");
648 return buf;
649 }
650
651 clockid_ns = env->clock.clockid_ns;
652 tod_ns = env->clock.tod_ns;
653
654 if (timestamp > clockid_ns)
655 tod_ns += timestamp - clockid_ns;
656 else
657 tod_ns -= clockid_ns - timestamp;
658
659 sec = (time_t) (tod_ns / NSEC_PER_SEC);
660 nsec = tod_ns - sec * NSEC_PER_SEC;
661
662 if (localtime_r(&sec, <ime) == NULL) {
663 scnprintf(buf, buflen, "failed");
664 } else {
665 strftime(date, sizeof(date), DEFAULT_TOD_FMT, <ime);
666
667 if (symbol_conf.nanosecs) {
668 snprintf(buf, buflen, "%s.%09lu", date, nsec);
669 } else {
670 snprintf(buf, buflen, "%s.%06lu",
671 date, nsec / NSEC_PER_USEC);
672 }
673 }
674
675 return buf;
676 }
677
perf_sample__fprintf_iregs(struct perf_sample * sample,struct perf_event_attr * attr,FILE * fp)678 static int perf_sample__fprintf_iregs(struct perf_sample *sample,
679 struct perf_event_attr *attr, FILE *fp)
680 {
681 return perf_sample__fprintf_regs(&sample->intr_regs,
682 attr->sample_regs_intr, fp);
683 }
684
perf_sample__fprintf_uregs(struct perf_sample * sample,struct perf_event_attr * attr,FILE * fp)685 static int perf_sample__fprintf_uregs(struct perf_sample *sample,
686 struct perf_event_attr *attr, FILE *fp)
687 {
688 return perf_sample__fprintf_regs(&sample->user_regs,
689 attr->sample_regs_user, fp);
690 }
691
perf_sample__fprintf_start(struct perf_script * script,struct perf_sample * sample,struct thread * thread,struct evsel * evsel,u32 type,FILE * fp)692 static int perf_sample__fprintf_start(struct perf_script *script,
693 struct perf_sample *sample,
694 struct thread *thread,
695 struct evsel *evsel,
696 u32 type, FILE *fp)
697 {
698 struct perf_event_attr *attr = &evsel->core.attr;
699 unsigned long secs;
700 unsigned long long nsecs;
701 int printed = 0;
702 char tstr[128];
703
704 if (PRINT_FIELD(COMM)) {
705 const char *comm = thread ? thread__comm_str(thread) : ":-1";
706
707 if (latency_format)
708 printed += fprintf(fp, "%8.8s ", comm);
709 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
710 printed += fprintf(fp, "%s ", comm);
711 else
712 printed += fprintf(fp, "%16s ", comm);
713 }
714
715 if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
716 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid);
717 else if (PRINT_FIELD(PID))
718 printed += fprintf(fp, "%5d ", sample->pid);
719 else if (PRINT_FIELD(TID))
720 printed += fprintf(fp, "%5d ", sample->tid);
721
722 if (PRINT_FIELD(CPU)) {
723 if (latency_format)
724 printed += fprintf(fp, "%3d ", sample->cpu);
725 else
726 printed += fprintf(fp, "[%03d] ", sample->cpu);
727 }
728
729 if (PRINT_FIELD(MISC)) {
730 int ret = 0;
731
732 #define has(m) \
733 (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
734
735 if (has(KERNEL))
736 ret += fprintf(fp, "K");
737 if (has(USER))
738 ret += fprintf(fp, "U");
739 if (has(HYPERVISOR))
740 ret += fprintf(fp, "H");
741 if (has(GUEST_KERNEL))
742 ret += fprintf(fp, "G");
743 if (has(GUEST_USER))
744 ret += fprintf(fp, "g");
745
746 switch (type) {
747 case PERF_RECORD_MMAP:
748 case PERF_RECORD_MMAP2:
749 if (has(MMAP_DATA))
750 ret += fprintf(fp, "M");
751 break;
752 case PERF_RECORD_COMM:
753 if (has(COMM_EXEC))
754 ret += fprintf(fp, "E");
755 break;
756 case PERF_RECORD_SWITCH:
757 case PERF_RECORD_SWITCH_CPU_WIDE:
758 if (has(SWITCH_OUT)) {
759 ret += fprintf(fp, "S");
760 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
761 ret += fprintf(fp, "p");
762 }
763 default:
764 break;
765 }
766
767 #undef has
768
769 ret += fprintf(fp, "%*s", 6 - ret, " ");
770 printed += ret;
771 }
772
773 if (PRINT_FIELD(TOD)) {
774 tod_scnprintf(script, tstr, sizeof(tstr), sample->time);
775 printed += fprintf(fp, "%s ", tstr);
776 }
777
778 if (PRINT_FIELD(TIME)) {
779 u64 t = sample->time;
780 if (reltime) {
781 if (!initial_time)
782 initial_time = sample->time;
783 t = sample->time - initial_time;
784 } else if (deltatime) {
785 if (previous_time)
786 t = sample->time - previous_time;
787 else {
788 t = 0;
789 }
790 previous_time = sample->time;
791 }
792 nsecs = t;
793 secs = nsecs / NSEC_PER_SEC;
794 nsecs -= secs * NSEC_PER_SEC;
795
796 if (symbol_conf.nanosecs)
797 printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
798 else {
799 char sample_time[32];
800 timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time));
801 printed += fprintf(fp, "%12s: ", sample_time);
802 }
803 }
804
805 return printed;
806 }
807
808 static inline char
mispred_str(struct branch_entry * br)809 mispred_str(struct branch_entry *br)
810 {
811 if (!(br->flags.mispred || br->flags.predicted))
812 return '-';
813
814 return br->flags.predicted ? 'P' : 'M';
815 }
816
perf_sample__fprintf_brstack(struct perf_sample * sample,struct thread * thread,struct perf_event_attr * attr,FILE * fp)817 static int perf_sample__fprintf_brstack(struct perf_sample *sample,
818 struct thread *thread,
819 struct perf_event_attr *attr, FILE *fp)
820 {
821 struct branch_stack *br = sample->branch_stack;
822 struct branch_entry *entries = perf_sample__branch_entries(sample);
823 struct addr_location alf, alt;
824 u64 i, from, to;
825 int printed = 0;
826
827 if (!(br && br->nr))
828 return 0;
829
830 for (i = 0; i < br->nr; i++) {
831 from = entries[i].from;
832 to = entries[i].to;
833
834 if (PRINT_FIELD(DSO)) {
835 memset(&alf, 0, sizeof(alf));
836 memset(&alt, 0, sizeof(alt));
837 thread__find_map_fb(thread, sample->cpumode, from, &alf);
838 thread__find_map_fb(thread, sample->cpumode, to, &alt);
839 }
840
841 printed += fprintf(fp, " 0x%"PRIx64, from);
842 if (PRINT_FIELD(DSO)) {
843 printed += fprintf(fp, "(");
844 printed += map__fprintf_dsoname(alf.map, fp);
845 printed += fprintf(fp, ")");
846 }
847
848 printed += fprintf(fp, "/0x%"PRIx64, to);
849 if (PRINT_FIELD(DSO)) {
850 printed += fprintf(fp, "(");
851 printed += map__fprintf_dsoname(alt.map, fp);
852 printed += fprintf(fp, ")");
853 }
854
855 printed += fprintf(fp, "/%c/%c/%c/%d ",
856 mispred_str(entries + i),
857 entries[i].flags.in_tx ? 'X' : '-',
858 entries[i].flags.abort ? 'A' : '-',
859 entries[i].flags.cycles);
860 }
861
862 return printed;
863 }
864
perf_sample__fprintf_brstacksym(struct perf_sample * sample,struct thread * thread,struct perf_event_attr * attr,FILE * fp)865 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
866 struct thread *thread,
867 struct perf_event_attr *attr, FILE *fp)
868 {
869 struct branch_stack *br = sample->branch_stack;
870 struct branch_entry *entries = perf_sample__branch_entries(sample);
871 struct addr_location alf, alt;
872 u64 i, from, to;
873 int printed = 0;
874
875 if (!(br && br->nr))
876 return 0;
877
878 for (i = 0; i < br->nr; i++) {
879
880 memset(&alf, 0, sizeof(alf));
881 memset(&alt, 0, sizeof(alt));
882 from = entries[i].from;
883 to = entries[i].to;
884
885 thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
886 thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
887
888 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
889 if (PRINT_FIELD(DSO)) {
890 printed += fprintf(fp, "(");
891 printed += map__fprintf_dsoname(alf.map, fp);
892 printed += fprintf(fp, ")");
893 }
894 printed += fprintf(fp, "%c", '/');
895 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
896 if (PRINT_FIELD(DSO)) {
897 printed += fprintf(fp, "(");
898 printed += map__fprintf_dsoname(alt.map, fp);
899 printed += fprintf(fp, ")");
900 }
901 printed += fprintf(fp, "/%c/%c/%c/%d ",
902 mispred_str(entries + i),
903 entries[i].flags.in_tx ? 'X' : '-',
904 entries[i].flags.abort ? 'A' : '-',
905 entries[i].flags.cycles);
906 }
907
908 return printed;
909 }
910
perf_sample__fprintf_brstackoff(struct perf_sample * sample,struct thread * thread,struct perf_event_attr * attr,FILE * fp)911 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
912 struct thread *thread,
913 struct perf_event_attr *attr, FILE *fp)
914 {
915 struct branch_stack *br = sample->branch_stack;
916 struct branch_entry *entries = perf_sample__branch_entries(sample);
917 struct addr_location alf, alt;
918 u64 i, from, to;
919 int printed = 0;
920
921 if (!(br && br->nr))
922 return 0;
923
924 for (i = 0; i < br->nr; i++) {
925
926 memset(&alf, 0, sizeof(alf));
927 memset(&alt, 0, sizeof(alt));
928 from = entries[i].from;
929 to = entries[i].to;
930
931 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
932 !alf.map->dso->adjust_symbols)
933 from = map__map_ip(alf.map, from);
934
935 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
936 !alt.map->dso->adjust_symbols)
937 to = map__map_ip(alt.map, to);
938
939 printed += fprintf(fp, " 0x%"PRIx64, from);
940 if (PRINT_FIELD(DSO)) {
941 printed += fprintf(fp, "(");
942 printed += map__fprintf_dsoname(alf.map, fp);
943 printed += fprintf(fp, ")");
944 }
945 printed += fprintf(fp, "/0x%"PRIx64, to);
946 if (PRINT_FIELD(DSO)) {
947 printed += fprintf(fp, "(");
948 printed += map__fprintf_dsoname(alt.map, fp);
949 printed += fprintf(fp, ")");
950 }
951 printed += fprintf(fp, "/%c/%c/%c/%d ",
952 mispred_str(entries + i),
953 entries[i].flags.in_tx ? 'X' : '-',
954 entries[i].flags.abort ? 'A' : '-',
955 entries[i].flags.cycles);
956 }
957
958 return printed;
959 }
960 #define MAXBB 16384UL
961
grab_bb(u8 * buffer,u64 start,u64 end,struct machine * machine,struct thread * thread,bool * is64bit,u8 * cpumode,bool last)962 static int grab_bb(u8 *buffer, u64 start, u64 end,
963 struct machine *machine, struct thread *thread,
964 bool *is64bit, u8 *cpumode, bool last)
965 {
966 long offset, len;
967 struct addr_location al;
968 bool kernel;
969
970 if (!start || !end)
971 return 0;
972
973 kernel = machine__kernel_ip(machine, start);
974 if (kernel)
975 *cpumode = PERF_RECORD_MISC_KERNEL;
976 else
977 *cpumode = PERF_RECORD_MISC_USER;
978
979 /*
980 * Block overlaps between kernel and user.
981 * This can happen due to ring filtering
982 * On Intel CPUs the entry into the kernel is filtered,
983 * but the exit is not. Let the caller patch it up.
984 */
985 if (kernel != machine__kernel_ip(machine, end)) {
986 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
987 return -ENXIO;
988 }
989
990 memset(&al, 0, sizeof(al));
991 if (end - start > MAXBB - MAXINSN) {
992 if (last)
993 pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
994 else
995 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
996 return 0;
997 }
998
999 if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) {
1000 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1001 return 0;
1002 }
1003 if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
1004 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1005 return 0;
1006 }
1007
1008 /* Load maps to ensure dso->is_64_bit has been updated */
1009 map__load(al.map);
1010
1011 offset = al.map->map_ip(al.map, start);
1012 len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer,
1013 end - start + MAXINSN);
1014
1015 *is64bit = al.map->dso->is_64_bit;
1016 if (len <= 0)
1017 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
1018 start, end);
1019 return len;
1020 }
1021
map__fprintf_srccode(struct map * map,u64 addr,FILE * fp,struct srccode_state * state)1022 static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state)
1023 {
1024 char *srcfile;
1025 int ret = 0;
1026 unsigned line;
1027 int len;
1028 char *srccode;
1029
1030 if (!map || !map->dso)
1031 return 0;
1032 srcfile = get_srcline_split(map->dso,
1033 map__rip_2objdump(map, addr),
1034 &line);
1035 if (!srcfile)
1036 return 0;
1037
1038 /* Avoid redundant printing */
1039 if (state &&
1040 state->srcfile &&
1041 !strcmp(state->srcfile, srcfile) &&
1042 state->line == line) {
1043 free(srcfile);
1044 return 0;
1045 }
1046
1047 srccode = find_sourceline(srcfile, line, &len);
1048 if (!srccode)
1049 goto out_free_line;
1050
1051 ret = fprintf(fp, "|%-8d %.*s", line, len, srccode);
1052
1053 if (state) {
1054 state->srcfile = srcfile;
1055 state->line = line;
1056 }
1057 return ret;
1058
1059 out_free_line:
1060 free(srcfile);
1061 return ret;
1062 }
1063
print_srccode(struct thread * thread,u8 cpumode,uint64_t addr)1064 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr)
1065 {
1066 struct addr_location al;
1067 int ret = 0;
1068
1069 memset(&al, 0, sizeof(al));
1070 thread__find_map(thread, cpumode, addr, &al);
1071 if (!al.map)
1072 return 0;
1073 ret = map__fprintf_srccode(al.map, al.addr, stdout,
1074 &thread->srccode_state);
1075 if (ret)
1076 ret += printf("\n");
1077 return ret;
1078 }
1079
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)1080 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
1081 struct perf_insn *x, u8 *inbuf, int len,
1082 int insn, FILE *fp, int *total_cycles)
1083 {
1084 int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip,
1085 dump_insn(x, ip, inbuf, len, NULL),
1086 en->flags.predicted ? " PRED" : "",
1087 en->flags.mispred ? " MISPRED" : "",
1088 en->flags.in_tx ? " INTX" : "",
1089 en->flags.abort ? " ABORT" : "");
1090 if (en->flags.cycles) {
1091 *total_cycles += en->flags.cycles;
1092 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles);
1093 if (insn)
1094 printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
1095 }
1096 return printed + fprintf(fp, "\n");
1097 }
1098
ip__fprintf_sym(uint64_t addr,struct thread * thread,u8 cpumode,int cpu,struct symbol ** lastsym,struct perf_event_attr * attr,FILE * fp)1099 static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
1100 u8 cpumode, int cpu, struct symbol **lastsym,
1101 struct perf_event_attr *attr, FILE *fp)
1102 {
1103 struct addr_location al;
1104 int off, printed = 0;
1105
1106 memset(&al, 0, sizeof(al));
1107
1108 thread__find_map(thread, cpumode, addr, &al);
1109
1110 if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
1111 return 0;
1112
1113 al.cpu = cpu;
1114 al.sym = NULL;
1115 if (al.map)
1116 al.sym = map__find_symbol(al.map, al.addr);
1117
1118 if (!al.sym)
1119 return 0;
1120
1121 if (al.addr < al.sym->end)
1122 off = al.addr - al.sym->start;
1123 else
1124 off = al.addr - al.map->start - al.sym->start;
1125 printed += fprintf(fp, "\t%s", al.sym->name);
1126 if (off)
1127 printed += fprintf(fp, "%+d", off);
1128 printed += fprintf(fp, ":");
1129 if (PRINT_FIELD(SRCLINE))
1130 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
1131 printed += fprintf(fp, "\n");
1132 *lastsym = al.sym;
1133
1134 return printed;
1135 }
1136
perf_sample__fprintf_brstackinsn(struct perf_sample * sample,struct thread * thread,struct perf_event_attr * attr,struct machine * machine,FILE * fp)1137 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
1138 struct thread *thread,
1139 struct perf_event_attr *attr,
1140 struct machine *machine, FILE *fp)
1141 {
1142 struct branch_stack *br = sample->branch_stack;
1143 struct branch_entry *entries = perf_sample__branch_entries(sample);
1144 u64 start, end;
1145 int i, insn, len, nr, ilen, printed = 0;
1146 struct perf_insn x;
1147 u8 buffer[MAXBB];
1148 unsigned off;
1149 struct symbol *lastsym = NULL;
1150 int total_cycles = 0;
1151
1152 if (!(br && br->nr))
1153 return 0;
1154 nr = br->nr;
1155 if (max_blocks && nr > max_blocks + 1)
1156 nr = max_blocks + 1;
1157
1158 x.thread = thread;
1159 x.cpu = sample->cpu;
1160
1161 printed += fprintf(fp, "%c", '\n');
1162
1163 /* Handle first from jump, of which we don't know the entry. */
1164 len = grab_bb(buffer, entries[nr-1].from,
1165 entries[nr-1].from,
1166 machine, thread, &x.is64bit, &x.cpumode, false);
1167 if (len > 0) {
1168 printed += ip__fprintf_sym(entries[nr - 1].from, thread,
1169 x.cpumode, x.cpu, &lastsym, attr, fp);
1170 printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1],
1171 &x, buffer, len, 0, fp, &total_cycles);
1172 if (PRINT_FIELD(SRCCODE))
1173 printed += print_srccode(thread, x.cpumode, entries[nr - 1].from);
1174 }
1175
1176 /* Print all blocks */
1177 for (i = nr - 2; i >= 0; i--) {
1178 if (entries[i].from || entries[i].to)
1179 pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1180 entries[i].from,
1181 entries[i].to);
1182 start = entries[i + 1].to;
1183 end = entries[i].from;
1184
1185 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1186 /* Patch up missing kernel transfers due to ring filters */
1187 if (len == -ENXIO && i > 0) {
1188 end = entries[--i].from;
1189 pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1190 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1191 }
1192 if (len <= 0)
1193 continue;
1194
1195 insn = 0;
1196 for (off = 0; off < (unsigned)len; off += ilen) {
1197 uint64_t ip = start + off;
1198
1199 printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1200 if (ip == end) {
1201 printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp,
1202 &total_cycles);
1203 if (PRINT_FIELD(SRCCODE))
1204 printed += print_srccode(thread, x.cpumode, ip);
1205 break;
1206 } else {
1207 ilen = 0;
1208 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip,
1209 dump_insn(&x, ip, buffer + off, len - off, &ilen));
1210 if (ilen == 0)
1211 break;
1212 if (PRINT_FIELD(SRCCODE))
1213 print_srccode(thread, x.cpumode, ip);
1214 insn++;
1215 }
1216 }
1217 if (off != end - start)
1218 printed += fprintf(fp, "\tmismatch of LBR data and executable\n");
1219 }
1220
1221 /*
1222 * Hit the branch? In this case we are already done, and the target
1223 * has not been executed yet.
1224 */
1225 if (entries[0].from == sample->ip)
1226 goto out;
1227 if (entries[0].flags.abort)
1228 goto out;
1229
1230 /*
1231 * Print final block upto sample
1232 *
1233 * Due to pipeline delays the LBRs might be missing a branch
1234 * or two, which can result in very large or negative blocks
1235 * between final branch and sample. When this happens just
1236 * continue walking after the last TO until we hit a branch.
1237 */
1238 start = entries[0].to;
1239 end = sample->ip;
1240 if (end < start) {
1241 /* Missing jump. Scan 128 bytes for the next branch */
1242 end = start + 128;
1243 }
1244 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1245 printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1246 if (len <= 0) {
1247 /* Print at least last IP if basic block did not work */
1248 len = grab_bb(buffer, sample->ip, sample->ip,
1249 machine, thread, &x.is64bit, &x.cpumode, false);
1250 if (len <= 0)
1251 goto out;
1252 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip,
1253 dump_insn(&x, sample->ip, buffer, len, NULL));
1254 if (PRINT_FIELD(SRCCODE))
1255 print_srccode(thread, x.cpumode, sample->ip);
1256 goto out;
1257 }
1258 for (off = 0; off <= end - start; off += ilen) {
1259 ilen = 0;
1260 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off,
1261 dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1262 if (ilen == 0)
1263 break;
1264 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) {
1265 /*
1266 * Hit a missing branch. Just stop.
1267 */
1268 printed += fprintf(fp, "\t... not reaching sample ...\n");
1269 break;
1270 }
1271 if (PRINT_FIELD(SRCCODE))
1272 print_srccode(thread, x.cpumode, start + off);
1273 }
1274 out:
1275 return printed;
1276 }
1277
perf_sample__fprintf_addr(struct perf_sample * sample,struct thread * thread,struct perf_event_attr * attr,FILE * fp)1278 static int perf_sample__fprintf_addr(struct perf_sample *sample,
1279 struct thread *thread,
1280 struct perf_event_attr *attr, FILE *fp)
1281 {
1282 struct addr_location al;
1283 int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1284
1285 if (!sample_addr_correlates_sym(attr))
1286 goto out;
1287
1288 thread__resolve(thread, &al, sample);
1289
1290 if (PRINT_FIELD(SYM)) {
1291 printed += fprintf(fp, " ");
1292 if (PRINT_FIELD(SYMOFFSET))
1293 printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1294 else
1295 printed += symbol__fprintf_symname(al.sym, fp);
1296 }
1297
1298 if (PRINT_FIELD(DSO)) {
1299 printed += fprintf(fp, " (");
1300 printed += map__fprintf_dsoname(al.map, fp);
1301 printed += fprintf(fp, ")");
1302 }
1303 out:
1304 return printed;
1305 }
1306
resolve_branch_sym(struct perf_sample * sample,struct evsel * evsel,struct thread * thread,struct addr_location * al,u64 * ip)1307 static const char *resolve_branch_sym(struct perf_sample *sample,
1308 struct evsel *evsel,
1309 struct thread *thread,
1310 struct addr_location *al,
1311 u64 *ip)
1312 {
1313 struct addr_location addr_al;
1314 struct perf_event_attr *attr = &evsel->core.attr;
1315 const char *name = NULL;
1316
1317 if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1318 if (sample_addr_correlates_sym(attr)) {
1319 thread__resolve(thread, &addr_al, sample);
1320 if (addr_al.sym)
1321 name = addr_al.sym->name;
1322 else
1323 *ip = sample->addr;
1324 } else {
1325 *ip = sample->addr;
1326 }
1327 } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1328 if (al->sym)
1329 name = al->sym->name;
1330 else
1331 *ip = sample->ip;
1332 }
1333 return name;
1334 }
1335
perf_sample__fprintf_callindent(struct perf_sample * sample,struct evsel * evsel,struct thread * thread,struct addr_location * al,FILE * fp)1336 static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1337 struct evsel *evsel,
1338 struct thread *thread,
1339 struct addr_location *al, FILE *fp)
1340 {
1341 struct perf_event_attr *attr = &evsel->core.attr;
1342 size_t depth = thread_stack__depth(thread, sample->cpu);
1343 const char *name = NULL;
1344 static int spacing;
1345 int len = 0;
1346 int dlen = 0;
1347 u64 ip = 0;
1348
1349 /*
1350 * The 'return' has already been popped off the stack so the depth has
1351 * to be adjusted to match the 'call'.
1352 */
1353 if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
1354 depth += 1;
1355
1356 name = resolve_branch_sym(sample, evsel, thread, al, &ip);
1357
1358 if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
1359 dlen += fprintf(fp, "(");
1360 dlen += map__fprintf_dsoname(al->map, fp);
1361 dlen += fprintf(fp, ")\t");
1362 }
1363
1364 if (name)
1365 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1366 else if (ip)
1367 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1368
1369 if (len < 0)
1370 return len;
1371
1372 /*
1373 * Try to keep the output length from changing frequently so that the
1374 * output lines up more nicely.
1375 */
1376 if (len > spacing || (len && len < spacing - 52))
1377 spacing = round_up(len + 4, 32);
1378
1379 if (len < spacing)
1380 len += fprintf(fp, "%*s", spacing - len, "");
1381
1382 return len + dlen;
1383 }
1384
arch_fetch_insn(struct perf_sample * sample __maybe_unused,struct thread * thread __maybe_unused,struct machine * machine __maybe_unused)1385 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused,
1386 struct thread *thread __maybe_unused,
1387 struct machine *machine __maybe_unused)
1388 {
1389 }
1390
perf_sample__fprintf_insn(struct perf_sample * sample,struct perf_event_attr * attr,struct thread * thread,struct machine * machine,FILE * fp)1391 static int perf_sample__fprintf_insn(struct perf_sample *sample,
1392 struct perf_event_attr *attr,
1393 struct thread *thread,
1394 struct machine *machine, FILE *fp)
1395 {
1396 int printed = 0;
1397
1398 if (sample->insn_len == 0 && native_arch)
1399 arch_fetch_insn(sample, thread, machine);
1400
1401 if (PRINT_FIELD(INSNLEN))
1402 printed += fprintf(fp, " ilen: %d", sample->insn_len);
1403 if (PRINT_FIELD(INSN) && sample->insn_len) {
1404 int i;
1405
1406 printed += fprintf(fp, " insn:");
1407 for (i = 0; i < sample->insn_len; i++)
1408 printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
1409 }
1410 if (PRINT_FIELD(BRSTACKINSN))
1411 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
1412
1413 return printed;
1414 }
1415
perf_sample__fprintf_ipc(struct perf_sample * sample,struct perf_event_attr * attr,FILE * fp)1416 static int perf_sample__fprintf_ipc(struct perf_sample *sample,
1417 struct perf_event_attr *attr, FILE *fp)
1418 {
1419 unsigned int ipc;
1420
1421 if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt)
1422 return 0;
1423
1424 ipc = (sample->insn_cnt * 100) / sample->cyc_cnt;
1425
1426 return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ",
1427 ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt);
1428 }
1429
perf_sample__fprintf_bts(struct perf_sample * sample,struct evsel * evsel,struct thread * thread,struct addr_location * al,struct machine * machine,FILE * fp)1430 static int perf_sample__fprintf_bts(struct perf_sample *sample,
1431 struct evsel *evsel,
1432 struct thread *thread,
1433 struct addr_location *al,
1434 struct machine *machine, FILE *fp)
1435 {
1436 struct perf_event_attr *attr = &evsel->core.attr;
1437 unsigned int type = output_type(attr->type);
1438 bool print_srcline_last = false;
1439 int printed = 0;
1440
1441 if (PRINT_FIELD(CALLINDENT))
1442 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp);
1443
1444 /* print branch_from information */
1445 if (PRINT_FIELD(IP)) {
1446 unsigned int print_opts = output[type].print_ip_opts;
1447 struct callchain_cursor *cursor = NULL;
1448
1449 if (symbol_conf.use_callchain && sample->callchain &&
1450 thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1451 sample, NULL, NULL, scripting_max_stack) == 0)
1452 cursor = &callchain_cursor;
1453
1454 if (cursor == NULL) {
1455 printed += fprintf(fp, " ");
1456 if (print_opts & EVSEL__PRINT_SRCLINE) {
1457 print_srcline_last = true;
1458 print_opts &= ~EVSEL__PRINT_SRCLINE;
1459 }
1460 } else
1461 printed += fprintf(fp, "\n");
1462
1463 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor,
1464 symbol_conf.bt_stop_list, fp);
1465 }
1466
1467 /* print branch_to information */
1468 if (PRINT_FIELD(ADDR) ||
1469 ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
1470 !output[type].user_set)) {
1471 printed += fprintf(fp, " => ");
1472 printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1473 }
1474
1475 printed += perf_sample__fprintf_ipc(sample, attr, fp);
1476
1477 if (print_srcline_last)
1478 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp);
1479
1480 printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1481 printed += fprintf(fp, "\n");
1482 if (PRINT_FIELD(SRCCODE)) {
1483 int ret = map__fprintf_srccode(al->map, al->addr, stdout,
1484 &thread->srccode_state);
1485 if (ret) {
1486 printed += ret;
1487 printed += printf("\n");
1488 }
1489 }
1490 return printed;
1491 }
1492
1493 static struct {
1494 u32 flags;
1495 const char *name;
1496 } sample_flags[] = {
1497 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1498 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1499 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1500 {PERF_IP_FLAG_BRANCH, "jmp"},
1501 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1502 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1503 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1504 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1505 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1506 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"},
1507 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1508 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1509 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1510 {0, NULL}
1511 };
1512
sample_flags_to_name(u32 flags)1513 static const char *sample_flags_to_name(u32 flags)
1514 {
1515 int i;
1516
1517 for (i = 0; sample_flags[i].name ; i++) {
1518 if (sample_flags[i].flags == flags)
1519 return sample_flags[i].name;
1520 }
1521
1522 return NULL;
1523 }
1524
perf_sample__fprintf_flags(u32 flags,FILE * fp)1525 static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1526 {
1527 const char *chars = PERF_IP_FLAG_CHARS;
1528 const int n = strlen(PERF_IP_FLAG_CHARS);
1529 bool in_tx = flags & PERF_IP_FLAG_IN_TX;
1530 const char *name = NULL;
1531 char str[33];
1532 int i, pos = 0;
1533
1534 name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX);
1535 if (name)
1536 return fprintf(fp, " %-15s%4s ", name, in_tx ? "(x)" : "");
1537
1538 if (flags & PERF_IP_FLAG_TRACE_BEGIN) {
1539 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN));
1540 if (name)
1541 return fprintf(fp, " tr strt %-7s%4s ", name, in_tx ? "(x)" : "");
1542 }
1543
1544 if (flags & PERF_IP_FLAG_TRACE_END) {
1545 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END));
1546 if (name)
1547 return fprintf(fp, " tr end %-7s%4s ", name, in_tx ? "(x)" : "");
1548 }
1549
1550 for (i = 0; i < n; i++, flags >>= 1) {
1551 if (flags & 1)
1552 str[pos++] = chars[i];
1553 }
1554 for (; i < 32; i++, flags >>= 1) {
1555 if (flags & 1)
1556 str[pos++] = '?';
1557 }
1558 str[pos] = 0;
1559
1560 return fprintf(fp, " %-19s ", str);
1561 }
1562
1563 struct printer_data {
1564 int line_no;
1565 bool hit_nul;
1566 bool is_printable;
1567 };
1568
sample__fprintf_bpf_output(enum binary_printer_ops op,unsigned int val,void * extra,FILE * fp)1569 static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1570 unsigned int val,
1571 void *extra, FILE *fp)
1572 {
1573 unsigned char ch = (unsigned char)val;
1574 struct printer_data *printer_data = extra;
1575 int printed = 0;
1576
1577 switch (op) {
1578 case BINARY_PRINT_DATA_BEGIN:
1579 printed += fprintf(fp, "\n");
1580 break;
1581 case BINARY_PRINT_LINE_BEGIN:
1582 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1583 " ");
1584 break;
1585 case BINARY_PRINT_ADDR:
1586 printed += fprintf(fp, " %04x:", val);
1587 break;
1588 case BINARY_PRINT_NUM_DATA:
1589 printed += fprintf(fp, " %02x", val);
1590 break;
1591 case BINARY_PRINT_NUM_PAD:
1592 printed += fprintf(fp, " ");
1593 break;
1594 case BINARY_PRINT_SEP:
1595 printed += fprintf(fp, " ");
1596 break;
1597 case BINARY_PRINT_CHAR_DATA:
1598 if (printer_data->hit_nul && ch)
1599 printer_data->is_printable = false;
1600
1601 if (!isprint(ch)) {
1602 printed += fprintf(fp, "%c", '.');
1603
1604 if (!printer_data->is_printable)
1605 break;
1606
1607 if (ch == '\0')
1608 printer_data->hit_nul = true;
1609 else
1610 printer_data->is_printable = false;
1611 } else {
1612 printed += fprintf(fp, "%c", ch);
1613 }
1614 break;
1615 case BINARY_PRINT_CHAR_PAD:
1616 printed += fprintf(fp, " ");
1617 break;
1618 case BINARY_PRINT_LINE_END:
1619 printed += fprintf(fp, "\n");
1620 printer_data->line_no++;
1621 break;
1622 case BINARY_PRINT_DATA_END:
1623 default:
1624 break;
1625 }
1626
1627 return printed;
1628 }
1629
perf_sample__fprintf_bpf_output(struct perf_sample * sample,FILE * fp)1630 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1631 {
1632 unsigned int nr_bytes = sample->raw_size;
1633 struct printer_data printer_data = {0, false, true};
1634 int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1635 sample__fprintf_bpf_output, &printer_data, fp);
1636
1637 if (printer_data.is_printable && printer_data.hit_nul)
1638 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1639
1640 return printed;
1641 }
1642
perf_sample__fprintf_spacing(int len,int spacing,FILE * fp)1643 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1644 {
1645 if (len > 0 && len < spacing)
1646 return fprintf(fp, "%*s", spacing - len, "");
1647
1648 return 0;
1649 }
1650
perf_sample__fprintf_pt_spacing(int len,FILE * fp)1651 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1652 {
1653 return perf_sample__fprintf_spacing(len, 34, fp);
1654 }
1655
perf_sample__fprintf_synth_ptwrite(struct perf_sample * sample,FILE * fp)1656 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1657 {
1658 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1659 int len;
1660
1661 if (perf_sample__bad_synth_size(sample, *data))
1662 return 0;
1663
1664 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ",
1665 data->ip, le64_to_cpu(data->payload));
1666 return len + perf_sample__fprintf_pt_spacing(len, fp);
1667 }
1668
perf_sample__fprintf_synth_mwait(struct perf_sample * sample,FILE * fp)1669 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1670 {
1671 struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1672 int len;
1673
1674 if (perf_sample__bad_synth_size(sample, *data))
1675 return 0;
1676
1677 len = fprintf(fp, " hints: %#x extensions: %#x ",
1678 data->hints, data->extensions);
1679 return len + perf_sample__fprintf_pt_spacing(len, fp);
1680 }
1681
perf_sample__fprintf_synth_pwre(struct perf_sample * sample,FILE * fp)1682 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1683 {
1684 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1685 int len;
1686
1687 if (perf_sample__bad_synth_size(sample, *data))
1688 return 0;
1689
1690 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1691 data->hw, data->cstate, data->subcstate);
1692 return len + perf_sample__fprintf_pt_spacing(len, fp);
1693 }
1694
perf_sample__fprintf_synth_exstop(struct perf_sample * sample,FILE * fp)1695 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1696 {
1697 struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1698 int len;
1699
1700 if (perf_sample__bad_synth_size(sample, *data))
1701 return 0;
1702
1703 len = fprintf(fp, " IP: %u ", data->ip);
1704 return len + perf_sample__fprintf_pt_spacing(len, fp);
1705 }
1706
perf_sample__fprintf_synth_pwrx(struct perf_sample * sample,FILE * fp)1707 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1708 {
1709 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1710 int len;
1711
1712 if (perf_sample__bad_synth_size(sample, *data))
1713 return 0;
1714
1715 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1716 data->deepest_cstate, data->last_cstate,
1717 data->wake_reason);
1718 return len + perf_sample__fprintf_pt_spacing(len, fp);
1719 }
1720
perf_sample__fprintf_synth_cbr(struct perf_sample * sample,FILE * fp)1721 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1722 {
1723 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1724 unsigned int percent, freq;
1725 int len;
1726
1727 if (perf_sample__bad_synth_size(sample, *data))
1728 return 0;
1729
1730 freq = (le32_to_cpu(data->freq) + 500) / 1000;
1731 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1732 if (data->max_nonturbo) {
1733 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1734 len += fprintf(fp, "(%3u%%) ", percent);
1735 }
1736 return len + perf_sample__fprintf_pt_spacing(len, fp);
1737 }
1738
perf_sample__fprintf_synth(struct perf_sample * sample,struct evsel * evsel,FILE * fp)1739 static int perf_sample__fprintf_synth(struct perf_sample *sample,
1740 struct evsel *evsel, FILE *fp)
1741 {
1742 switch (evsel->core.attr.config) {
1743 case PERF_SYNTH_INTEL_PTWRITE:
1744 return perf_sample__fprintf_synth_ptwrite(sample, fp);
1745 case PERF_SYNTH_INTEL_MWAIT:
1746 return perf_sample__fprintf_synth_mwait(sample, fp);
1747 case PERF_SYNTH_INTEL_PWRE:
1748 return perf_sample__fprintf_synth_pwre(sample, fp);
1749 case PERF_SYNTH_INTEL_EXSTOP:
1750 return perf_sample__fprintf_synth_exstop(sample, fp);
1751 case PERF_SYNTH_INTEL_PWRX:
1752 return perf_sample__fprintf_synth_pwrx(sample, fp);
1753 case PERF_SYNTH_INTEL_CBR:
1754 return perf_sample__fprintf_synth_cbr(sample, fp);
1755 default:
1756 break;
1757 }
1758
1759 return 0;
1760 }
1761
evlist__max_name_len(struct evlist * evlist)1762 static int evlist__max_name_len(struct evlist *evlist)
1763 {
1764 struct evsel *evsel;
1765 int max = 0;
1766
1767 evlist__for_each_entry(evlist, evsel) {
1768 int len = strlen(evsel__name(evsel));
1769
1770 max = MAX(len, max);
1771 }
1772
1773 return max;
1774 }
1775
data_src__fprintf(u64 data_src,FILE * fp)1776 static int data_src__fprintf(u64 data_src, FILE *fp)
1777 {
1778 struct mem_info mi = { .data_src.val = data_src };
1779 char decode[100];
1780 char out[100];
1781 static int maxlen;
1782 int len;
1783
1784 perf_script__meminfo_scnprintf(decode, 100, &mi);
1785
1786 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
1787 if (maxlen < len)
1788 maxlen = len;
1789
1790 return fprintf(fp, "%-*s", maxlen, out);
1791 }
1792
1793 struct metric_ctx {
1794 struct perf_sample *sample;
1795 struct thread *thread;
1796 struct evsel *evsel;
1797 FILE *fp;
1798 };
1799
script_print_metric(struct perf_stat_config * config __maybe_unused,void * ctx,const char * color,const char * fmt,const char * unit,double val)1800 static void script_print_metric(struct perf_stat_config *config __maybe_unused,
1801 void *ctx, const char *color,
1802 const char *fmt,
1803 const char *unit, double val)
1804 {
1805 struct metric_ctx *mctx = ctx;
1806
1807 if (!fmt)
1808 return;
1809 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
1810 PERF_RECORD_SAMPLE, mctx->fp);
1811 fputs("\tmetric: ", mctx->fp);
1812 if (color)
1813 color_fprintf(mctx->fp, color, fmt, val);
1814 else
1815 printf(fmt, val);
1816 fprintf(mctx->fp, " %s\n", unit);
1817 }
1818
script_new_line(struct perf_stat_config * config __maybe_unused,void * ctx)1819 static void script_new_line(struct perf_stat_config *config __maybe_unused,
1820 void *ctx)
1821 {
1822 struct metric_ctx *mctx = ctx;
1823
1824 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
1825 PERF_RECORD_SAMPLE, mctx->fp);
1826 fputs("\tmetric: ", mctx->fp);
1827 }
1828
perf_sample__fprint_metric(struct perf_script * script,struct thread * thread,struct evsel * evsel,struct perf_sample * sample,FILE * fp)1829 static void perf_sample__fprint_metric(struct perf_script *script,
1830 struct thread *thread,
1831 struct evsel *evsel,
1832 struct perf_sample *sample,
1833 FILE *fp)
1834 {
1835 struct perf_stat_output_ctx ctx = {
1836 .print_metric = script_print_metric,
1837 .new_line = script_new_line,
1838 .ctx = &(struct metric_ctx) {
1839 .sample = sample,
1840 .thread = thread,
1841 .evsel = evsel,
1842 .fp = fp,
1843 },
1844 .force_header = false,
1845 };
1846 struct evsel *ev2;
1847 u64 val;
1848
1849 if (!evsel->stats)
1850 perf_evlist__alloc_stats(script->session->evlist, false);
1851 if (evsel_script(evsel->leader)->gnum++ == 0)
1852 perf_stat__reset_shadow_stats();
1853 val = sample->period * evsel->scale;
1854 perf_stat__update_shadow_stats(evsel,
1855 val,
1856 sample->cpu,
1857 &rt_stat);
1858 evsel_script(evsel)->val = val;
1859 if (evsel_script(evsel->leader)->gnum == evsel->leader->core.nr_members) {
1860 for_each_group_member (ev2, evsel->leader) {
1861 perf_stat__print_shadow_stats(&stat_config, ev2,
1862 evsel_script(ev2)->val,
1863 sample->cpu,
1864 &ctx,
1865 NULL,
1866 &rt_stat);
1867 }
1868 evsel_script(evsel->leader)->gnum = 0;
1869 }
1870 }
1871
show_event(struct perf_sample * sample,struct evsel * evsel,struct thread * thread,struct addr_location * al)1872 static bool show_event(struct perf_sample *sample,
1873 struct evsel *evsel,
1874 struct thread *thread,
1875 struct addr_location *al)
1876 {
1877 int depth = thread_stack__depth(thread, sample->cpu);
1878
1879 if (!symbol_conf.graph_function)
1880 return true;
1881
1882 if (thread->filter) {
1883 if (depth <= thread->filter_entry_depth) {
1884 thread->filter = false;
1885 return false;
1886 }
1887 return true;
1888 } else {
1889 const char *s = symbol_conf.graph_function;
1890 u64 ip;
1891 const char *name = resolve_branch_sym(sample, evsel, thread, al,
1892 &ip);
1893 unsigned nlen;
1894
1895 if (!name)
1896 return false;
1897 nlen = strlen(name);
1898 while (*s) {
1899 unsigned len = strcspn(s, ",");
1900 if (nlen == len && !strncmp(name, s, len)) {
1901 thread->filter = true;
1902 thread->filter_entry_depth = depth;
1903 return true;
1904 }
1905 s += len;
1906 if (*s == ',')
1907 s++;
1908 }
1909 return false;
1910 }
1911 }
1912
process_event(struct perf_script * script,struct perf_sample * sample,struct evsel * evsel,struct addr_location * al,struct machine * machine)1913 static void process_event(struct perf_script *script,
1914 struct perf_sample *sample, struct evsel *evsel,
1915 struct addr_location *al,
1916 struct machine *machine)
1917 {
1918 struct thread *thread = al->thread;
1919 struct perf_event_attr *attr = &evsel->core.attr;
1920 unsigned int type = output_type(attr->type);
1921 struct evsel_script *es = evsel->priv;
1922 FILE *fp = es->fp;
1923
1924 if (output[type].fields == 0)
1925 return;
1926
1927 if (!show_event(sample, evsel, thread, al))
1928 return;
1929
1930 if (evswitch__discard(&script->evswitch, evsel))
1931 return;
1932
1933 ++es->samples;
1934
1935 perf_sample__fprintf_start(script, sample, thread, evsel,
1936 PERF_RECORD_SAMPLE, fp);
1937
1938 if (PRINT_FIELD(PERIOD))
1939 fprintf(fp, "%10" PRIu64 " ", sample->period);
1940
1941 if (PRINT_FIELD(EVNAME)) {
1942 const char *evname = evsel__name(evsel);
1943
1944 if (!script->name_width)
1945 script->name_width = evlist__max_name_len(script->session->evlist);
1946
1947 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
1948 }
1949
1950 if (print_flags)
1951 perf_sample__fprintf_flags(sample->flags, fp);
1952
1953 if (is_bts_event(attr)) {
1954 perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp);
1955 return;
1956 }
1957
1958 if (PRINT_FIELD(TRACE) && sample->raw_data) {
1959 event_format__fprintf(evsel->tp_format, sample->cpu,
1960 sample->raw_data, sample->raw_size, fp);
1961 }
1962
1963 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
1964 perf_sample__fprintf_synth(sample, evsel, fp);
1965
1966 if (PRINT_FIELD(ADDR))
1967 perf_sample__fprintf_addr(sample, thread, attr, fp);
1968
1969 if (PRINT_FIELD(DATA_SRC))
1970 data_src__fprintf(sample->data_src, fp);
1971
1972 if (PRINT_FIELD(WEIGHT))
1973 fprintf(fp, "%16" PRIu64, sample->weight);
1974
1975 if (PRINT_FIELD(IP)) {
1976 struct callchain_cursor *cursor = NULL;
1977
1978 if (script->stitch_lbr)
1979 al->thread->lbr_stitch_enable = true;
1980
1981 if (symbol_conf.use_callchain && sample->callchain &&
1982 thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1983 sample, NULL, NULL, scripting_max_stack) == 0)
1984 cursor = &callchain_cursor;
1985
1986 fputc(cursor ? '\n' : ' ', fp);
1987 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor,
1988 symbol_conf.bt_stop_list, fp);
1989 }
1990
1991 if (PRINT_FIELD(IREGS))
1992 perf_sample__fprintf_iregs(sample, attr, fp);
1993
1994 if (PRINT_FIELD(UREGS))
1995 perf_sample__fprintf_uregs(sample, attr, fp);
1996
1997 if (PRINT_FIELD(BRSTACK))
1998 perf_sample__fprintf_brstack(sample, thread, attr, fp);
1999 else if (PRINT_FIELD(BRSTACKSYM))
2000 perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
2001 else if (PRINT_FIELD(BRSTACKOFF))
2002 perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
2003
2004 if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
2005 perf_sample__fprintf_bpf_output(sample, fp);
2006 perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
2007
2008 if (PRINT_FIELD(PHYS_ADDR))
2009 fprintf(fp, "%16" PRIx64, sample->phys_addr);
2010
2011 perf_sample__fprintf_ipc(sample, attr, fp);
2012
2013 fprintf(fp, "\n");
2014
2015 if (PRINT_FIELD(SRCCODE)) {
2016 if (map__fprintf_srccode(al->map, al->addr, stdout,
2017 &thread->srccode_state))
2018 printf("\n");
2019 }
2020
2021 if (PRINT_FIELD(METRIC))
2022 perf_sample__fprint_metric(script, thread, evsel, sample, fp);
2023
2024 if (verbose)
2025 fflush(fp);
2026 }
2027
2028 static struct scripting_ops *scripting_ops;
2029
__process_stat(struct evsel * counter,u64 tstamp)2030 static void __process_stat(struct evsel *counter, u64 tstamp)
2031 {
2032 int nthreads = perf_thread_map__nr(counter->core.threads);
2033 int ncpus = evsel__nr_cpus(counter);
2034 int cpu, thread;
2035 static int header_printed;
2036
2037 if (counter->core.system_wide)
2038 nthreads = 1;
2039
2040 if (!header_printed) {
2041 printf("%3s %8s %15s %15s %15s %15s %s\n",
2042 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
2043 header_printed = 1;
2044 }
2045
2046 for (thread = 0; thread < nthreads; thread++) {
2047 for (cpu = 0; cpu < ncpus; cpu++) {
2048 struct perf_counts_values *counts;
2049
2050 counts = perf_counts(counter->counts, cpu, thread);
2051
2052 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
2053 counter->core.cpus->map[cpu],
2054 perf_thread_map__pid(counter->core.threads, thread),
2055 counts->val,
2056 counts->ena,
2057 counts->run,
2058 tstamp,
2059 evsel__name(counter));
2060 }
2061 }
2062 }
2063
process_stat(struct evsel * counter,u64 tstamp)2064 static void process_stat(struct evsel *counter, u64 tstamp)
2065 {
2066 if (scripting_ops && scripting_ops->process_stat)
2067 scripting_ops->process_stat(&stat_config, counter, tstamp);
2068 else
2069 __process_stat(counter, tstamp);
2070 }
2071
process_stat_interval(u64 tstamp)2072 static void process_stat_interval(u64 tstamp)
2073 {
2074 if (scripting_ops && scripting_ops->process_stat_interval)
2075 scripting_ops->process_stat_interval(tstamp);
2076 }
2077
setup_scripting(void)2078 static void setup_scripting(void)
2079 {
2080 setup_perl_scripting();
2081 setup_python_scripting();
2082 }
2083
flush_scripting(void)2084 static int flush_scripting(void)
2085 {
2086 return scripting_ops ? scripting_ops->flush_script() : 0;
2087 }
2088
cleanup_scripting(void)2089 static int cleanup_scripting(void)
2090 {
2091 pr_debug("\nperf script stopped\n");
2092
2093 return scripting_ops ? scripting_ops->stop_script() : 0;
2094 }
2095
filter_cpu(struct perf_sample * sample)2096 static bool filter_cpu(struct perf_sample *sample)
2097 {
2098 if (cpu_list && sample->cpu != (u32)-1)
2099 return !test_bit(sample->cpu, cpu_bitmap);
2100 return false;
2101 }
2102
process_sample_event(struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct evsel * evsel,struct machine * machine)2103 static int process_sample_event(struct perf_tool *tool,
2104 union perf_event *event,
2105 struct perf_sample *sample,
2106 struct evsel *evsel,
2107 struct machine *machine)
2108 {
2109 struct perf_script *scr = container_of(tool, struct perf_script, tool);
2110 struct addr_location al;
2111
2112 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
2113 sample->time)) {
2114 return 0;
2115 }
2116
2117 if (debug_mode) {
2118 if (sample->time < last_timestamp) {
2119 pr_err("Samples misordered, previous: %" PRIu64
2120 " this: %" PRIu64 "\n", last_timestamp,
2121 sample->time);
2122 nr_unordered++;
2123 }
2124 last_timestamp = sample->time;
2125 return 0;
2126 }
2127
2128 if (machine__resolve(machine, &al, sample) < 0) {
2129 pr_err("problem processing %d event, skipping it.\n",
2130 event->header.type);
2131 return -1;
2132 }
2133
2134 if (al.filtered)
2135 goto out_put;
2136
2137 if (filter_cpu(sample))
2138 goto out_put;
2139
2140 if (scripting_ops)
2141 scripting_ops->process_event(event, sample, evsel, &al);
2142 else
2143 process_event(scr, sample, evsel, &al, machine);
2144
2145 out_put:
2146 addr_location__put(&al);
2147 return 0;
2148 }
2149
process_attr(struct perf_tool * tool,union perf_event * event,struct evlist ** pevlist)2150 static int process_attr(struct perf_tool *tool, union perf_event *event,
2151 struct evlist **pevlist)
2152 {
2153 struct perf_script *scr = container_of(tool, struct perf_script, tool);
2154 struct evlist *evlist;
2155 struct evsel *evsel, *pos;
2156 u64 sample_type;
2157 int err;
2158 static struct evsel_script *es;
2159
2160 err = perf_event__process_attr(tool, event, pevlist);
2161 if (err)
2162 return err;
2163
2164 evlist = *pevlist;
2165 evsel = evlist__last(*pevlist);
2166
2167 if (!evsel->priv) {
2168 if (scr->per_event_dump) {
2169 evsel->priv = perf_evsel_script__new(evsel,
2170 scr->session->data);
2171 } else {
2172 es = zalloc(sizeof(*es));
2173 if (!es)
2174 return -ENOMEM;
2175 es->fp = stdout;
2176 evsel->priv = es;
2177 }
2178 }
2179
2180 if (evsel->core.attr.type >= PERF_TYPE_MAX &&
2181 evsel->core.attr.type != PERF_TYPE_SYNTH)
2182 return 0;
2183
2184 evlist__for_each_entry(evlist, pos) {
2185 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel)
2186 return 0;
2187 }
2188
2189 if (evsel->core.attr.sample_type) {
2190 err = evsel__check_attr(evsel, scr->session);
2191 if (err)
2192 return err;
2193 }
2194
2195 /*
2196 * Check if we need to enable callchains based
2197 * on events sample_type.
2198 */
2199 sample_type = evlist__combined_sample_type(evlist);
2200 callchain_param_setup(sample_type);
2201
2202 /* Enable fields for callchain entries */
2203 if (symbol_conf.use_callchain &&
2204 (sample_type & PERF_SAMPLE_CALLCHAIN ||
2205 sample_type & PERF_SAMPLE_BRANCH_STACK ||
2206 (sample_type & PERF_SAMPLE_REGS_USER &&
2207 sample_type & PERF_SAMPLE_STACK_USER))) {
2208 int type = output_type(evsel->core.attr.type);
2209
2210 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP))
2211 output[type].fields |= PERF_OUTPUT_IP;
2212 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM))
2213 output[type].fields |= PERF_OUTPUT_SYM;
2214 }
2215 set_print_ip_opts(&evsel->core.attr);
2216 return 0;
2217 }
2218
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)2219 static int print_event_with_time(struct perf_tool *tool,
2220 union perf_event *event,
2221 struct perf_sample *sample,
2222 struct machine *machine,
2223 pid_t pid, pid_t tid, u64 timestamp)
2224 {
2225 struct perf_script *script = container_of(tool, struct perf_script, tool);
2226 struct perf_session *session = script->session;
2227 struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2228 struct thread *thread = NULL;
2229
2230 if (evsel && !evsel->core.attr.sample_id_all) {
2231 sample->cpu = 0;
2232 sample->time = timestamp;
2233 sample->pid = pid;
2234 sample->tid = tid;
2235 }
2236
2237 if (filter_cpu(sample))
2238 return 0;
2239
2240 if (tid != -1)
2241 thread = machine__findnew_thread(machine, pid, tid);
2242
2243 if (evsel) {
2244 perf_sample__fprintf_start(script, sample, thread, evsel,
2245 event->header.type, stdout);
2246 }
2247
2248 perf_event__fprintf(event, machine, stdout);
2249
2250 thread__put(thread);
2251
2252 return 0;
2253 }
2254
print_event(struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine,pid_t pid,pid_t tid)2255 static int print_event(struct perf_tool *tool, union perf_event *event,
2256 struct perf_sample *sample, struct machine *machine,
2257 pid_t pid, pid_t tid)
2258 {
2259 return print_event_with_time(tool, event, sample, machine, pid, tid, 0);
2260 }
2261
process_comm_event(struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine)2262 static int process_comm_event(struct perf_tool *tool,
2263 union perf_event *event,
2264 struct perf_sample *sample,
2265 struct machine *machine)
2266 {
2267 if (perf_event__process_comm(tool, event, sample, machine) < 0)
2268 return -1;
2269
2270 return print_event(tool, event, sample, machine, event->comm.pid,
2271 event->comm.tid);
2272 }
2273
process_namespaces_event(struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine)2274 static int process_namespaces_event(struct perf_tool *tool,
2275 union perf_event *event,
2276 struct perf_sample *sample,
2277 struct machine *machine)
2278 {
2279 if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
2280 return -1;
2281
2282 return print_event(tool, event, sample, machine, event->namespaces.pid,
2283 event->namespaces.tid);
2284 }
2285
process_cgroup_event(struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine)2286 static int process_cgroup_event(struct perf_tool *tool,
2287 union perf_event *event,
2288 struct perf_sample *sample,
2289 struct machine *machine)
2290 {
2291 if (perf_event__process_cgroup(tool, event, sample, machine) < 0)
2292 return -1;
2293
2294 return print_event(tool, event, sample, machine, sample->pid,
2295 sample->tid);
2296 }
2297
process_fork_event(struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine)2298 static int process_fork_event(struct perf_tool *tool,
2299 union perf_event *event,
2300 struct perf_sample *sample,
2301 struct machine *machine)
2302 {
2303 if (perf_event__process_fork(tool, event, sample, machine) < 0)
2304 return -1;
2305
2306 return print_event_with_time(tool, event, sample, machine,
2307 event->fork.pid, event->fork.tid,
2308 event->fork.time);
2309 }
process_exit_event(struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine)2310 static int process_exit_event(struct perf_tool *tool,
2311 union perf_event *event,
2312 struct perf_sample *sample,
2313 struct machine *machine)
2314 {
2315 /* Print before 'exit' deletes anything */
2316 if (print_event_with_time(tool, event, sample, machine, event->fork.pid,
2317 event->fork.tid, event->fork.time))
2318 return -1;
2319
2320 return perf_event__process_exit(tool, event, sample, machine);
2321 }
2322
process_mmap_event(struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine)2323 static int process_mmap_event(struct perf_tool *tool,
2324 union perf_event *event,
2325 struct perf_sample *sample,
2326 struct machine *machine)
2327 {
2328 if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2329 return -1;
2330
2331 return print_event(tool, event, sample, machine, event->mmap.pid,
2332 event->mmap.tid);
2333 }
2334
process_mmap2_event(struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine)2335 static int process_mmap2_event(struct perf_tool *tool,
2336 union perf_event *event,
2337 struct perf_sample *sample,
2338 struct machine *machine)
2339 {
2340 if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2341 return -1;
2342
2343 return print_event(tool, event, sample, machine, event->mmap2.pid,
2344 event->mmap2.tid);
2345 }
2346
process_switch_event(struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine)2347 static int process_switch_event(struct perf_tool *tool,
2348 union perf_event *event,
2349 struct perf_sample *sample,
2350 struct machine *machine)
2351 {
2352 struct perf_script *script = container_of(tool, struct perf_script, tool);
2353
2354 if (perf_event__process_switch(tool, event, sample, machine) < 0)
2355 return -1;
2356
2357 if (scripting_ops && scripting_ops->process_switch && !filter_cpu(sample))
2358 scripting_ops->process_switch(event, sample, machine);
2359
2360 if (!script->show_switch_events)
2361 return 0;
2362
2363 return print_event(tool, event, sample, machine, sample->pid,
2364 sample->tid);
2365 }
2366
2367 static int
process_lost_event(struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine)2368 process_lost_event(struct perf_tool *tool,
2369 union perf_event *event,
2370 struct perf_sample *sample,
2371 struct machine *machine)
2372 {
2373 return print_event(tool, event, sample, machine, sample->pid,
2374 sample->tid);
2375 }
2376
2377 static int
process_finished_round_event(struct perf_tool * tool __maybe_unused,union perf_event * event,struct ordered_events * oe __maybe_unused)2378 process_finished_round_event(struct perf_tool *tool __maybe_unused,
2379 union perf_event *event,
2380 struct ordered_events *oe __maybe_unused)
2381
2382 {
2383 perf_event__fprintf(event, NULL, stdout);
2384 return 0;
2385 }
2386
2387 static int
process_bpf_events(struct perf_tool * tool __maybe_unused,union perf_event * event,struct perf_sample * sample,struct machine * machine)2388 process_bpf_events(struct perf_tool *tool __maybe_unused,
2389 union perf_event *event,
2390 struct perf_sample *sample,
2391 struct machine *machine)
2392 {
2393 if (machine__process_ksymbol(machine, event, sample) < 0)
2394 return -1;
2395
2396 return print_event(tool, event, sample, machine, sample->pid,
2397 sample->tid);
2398 }
2399
process_text_poke_events(struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine)2400 static int process_text_poke_events(struct perf_tool *tool,
2401 union perf_event *event,
2402 struct perf_sample *sample,
2403 struct machine *machine)
2404 {
2405 if (perf_event__process_text_poke(tool, event, sample, machine) < 0)
2406 return -1;
2407
2408 return print_event(tool, event, sample, machine, sample->pid,
2409 sample->tid);
2410 }
2411
sig_handler(int sig __maybe_unused)2412 static void sig_handler(int sig __maybe_unused)
2413 {
2414 session_done = 1;
2415 }
2416
perf_script__fclose_per_event_dump(struct perf_script * script)2417 static void perf_script__fclose_per_event_dump(struct perf_script *script)
2418 {
2419 struct evlist *evlist = script->session->evlist;
2420 struct evsel *evsel;
2421
2422 evlist__for_each_entry(evlist, evsel) {
2423 if (!evsel->priv)
2424 break;
2425 perf_evsel_script__delete(evsel->priv);
2426 evsel->priv = NULL;
2427 }
2428 }
2429
perf_script__fopen_per_event_dump(struct perf_script * script)2430 static int perf_script__fopen_per_event_dump(struct perf_script *script)
2431 {
2432 struct evsel *evsel;
2433
2434 evlist__for_each_entry(script->session->evlist, evsel) {
2435 /*
2436 * Already setup? I.e. we may be called twice in cases like
2437 * Intel PT, one for the intel_pt// and dummy events, then
2438 * for the evsels syntheized from the auxtrace info.
2439 *
2440 * Ses perf_script__process_auxtrace_info.
2441 */
2442 if (evsel->priv != NULL)
2443 continue;
2444
2445 evsel->priv = perf_evsel_script__new(evsel, script->session->data);
2446 if (evsel->priv == NULL)
2447 goto out_err_fclose;
2448 }
2449
2450 return 0;
2451
2452 out_err_fclose:
2453 perf_script__fclose_per_event_dump(script);
2454 return -1;
2455 }
2456
perf_script__setup_per_event_dump(struct perf_script * script)2457 static int perf_script__setup_per_event_dump(struct perf_script *script)
2458 {
2459 struct evsel *evsel;
2460 static struct evsel_script es_stdout;
2461
2462 if (script->per_event_dump)
2463 return perf_script__fopen_per_event_dump(script);
2464
2465 es_stdout.fp = stdout;
2466
2467 evlist__for_each_entry(script->session->evlist, evsel)
2468 evsel->priv = &es_stdout;
2469
2470 return 0;
2471 }
2472
perf_script__exit_per_event_dump_stats(struct perf_script * script)2473 static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2474 {
2475 struct evsel *evsel;
2476
2477 evlist__for_each_entry(script->session->evlist, evsel) {
2478 struct evsel_script *es = evsel->priv;
2479
2480 perf_evsel_script__fprintf(es, stdout);
2481 perf_evsel_script__delete(es);
2482 evsel->priv = NULL;
2483 }
2484 }
2485
perf_script__exit(struct perf_script * script)2486 static void perf_script__exit(struct perf_script *script)
2487 {
2488 perf_thread_map__put(script->threads);
2489 perf_cpu_map__put(script->cpus);
2490 }
2491
__cmd_script(struct perf_script * script)2492 static int __cmd_script(struct perf_script *script)
2493 {
2494 int ret;
2495
2496 signal(SIGINT, sig_handler);
2497
2498 perf_stat__init_shadow_stats();
2499
2500 /* override event processing functions */
2501 if (script->show_task_events) {
2502 script->tool.comm = process_comm_event;
2503 script->tool.fork = process_fork_event;
2504 script->tool.exit = process_exit_event;
2505 }
2506 if (script->show_mmap_events) {
2507 script->tool.mmap = process_mmap_event;
2508 script->tool.mmap2 = process_mmap2_event;
2509 }
2510 if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch))
2511 script->tool.context_switch = process_switch_event;
2512 if (script->show_namespace_events)
2513 script->tool.namespaces = process_namespaces_event;
2514 if (script->show_cgroup_events)
2515 script->tool.cgroup = process_cgroup_event;
2516 if (script->show_lost_events)
2517 script->tool.lost = process_lost_event;
2518 if (script->show_round_events) {
2519 script->tool.ordered_events = false;
2520 script->tool.finished_round = process_finished_round_event;
2521 }
2522 if (script->show_bpf_events) {
2523 script->tool.ksymbol = process_bpf_events;
2524 script->tool.bpf = process_bpf_events;
2525 }
2526 if (script->show_text_poke_events) {
2527 script->tool.ksymbol = process_bpf_events;
2528 script->tool.text_poke = process_text_poke_events;
2529 }
2530
2531 if (perf_script__setup_per_event_dump(script)) {
2532 pr_err("Couldn't create the per event dump files\n");
2533 return -1;
2534 }
2535
2536 ret = perf_session__process_events(script->session);
2537
2538 if (script->per_event_dump)
2539 perf_script__exit_per_event_dump_stats(script);
2540
2541 if (debug_mode)
2542 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2543
2544 return ret;
2545 }
2546
2547 struct script_spec {
2548 struct list_head node;
2549 struct scripting_ops *ops;
2550 char spec[];
2551 };
2552
2553 static LIST_HEAD(script_specs);
2554
script_spec__new(const char * spec,struct scripting_ops * ops)2555 static struct script_spec *script_spec__new(const char *spec,
2556 struct scripting_ops *ops)
2557 {
2558 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2559
2560 if (s != NULL) {
2561 strcpy(s->spec, spec);
2562 s->ops = ops;
2563 }
2564
2565 return s;
2566 }
2567
script_spec__add(struct script_spec * s)2568 static void script_spec__add(struct script_spec *s)
2569 {
2570 list_add_tail(&s->node, &script_specs);
2571 }
2572
script_spec__find(const char * spec)2573 static struct script_spec *script_spec__find(const char *spec)
2574 {
2575 struct script_spec *s;
2576
2577 list_for_each_entry(s, &script_specs, node)
2578 if (strcasecmp(s->spec, spec) == 0)
2579 return s;
2580 return NULL;
2581 }
2582
script_spec_register(const char * spec,struct scripting_ops * ops)2583 int script_spec_register(const char *spec, struct scripting_ops *ops)
2584 {
2585 struct script_spec *s;
2586
2587 s = script_spec__find(spec);
2588 if (s)
2589 return -1;
2590
2591 s = script_spec__new(spec, ops);
2592 if (!s)
2593 return -1;
2594 else
2595 script_spec__add(s);
2596
2597 return 0;
2598 }
2599
script_spec__lookup(const char * spec)2600 static struct scripting_ops *script_spec__lookup(const char *spec)
2601 {
2602 struct script_spec *s = script_spec__find(spec);
2603 if (!s)
2604 return NULL;
2605
2606 return s->ops;
2607 }
2608
list_available_languages(void)2609 static void list_available_languages(void)
2610 {
2611 struct script_spec *s;
2612
2613 fprintf(stderr, "\n");
2614 fprintf(stderr, "Scripting language extensions (used in "
2615 "perf script -s [spec:]script.[spec]):\n\n");
2616
2617 list_for_each_entry(s, &script_specs, node)
2618 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name);
2619
2620 fprintf(stderr, "\n");
2621 }
2622
parse_scriptname(const struct option * opt __maybe_unused,const char * str,int unset __maybe_unused)2623 static int parse_scriptname(const struct option *opt __maybe_unused,
2624 const char *str, int unset __maybe_unused)
2625 {
2626 char spec[PATH_MAX];
2627 const char *script, *ext;
2628 int len;
2629
2630 if (strcmp(str, "lang") == 0) {
2631 list_available_languages();
2632 exit(0);
2633 }
2634
2635 script = strchr(str, ':');
2636 if (script) {
2637 len = script - str;
2638 if (len >= PATH_MAX) {
2639 fprintf(stderr, "invalid language specifier");
2640 return -1;
2641 }
2642 strncpy(spec, str, len);
2643 spec[len] = '\0';
2644 scripting_ops = script_spec__lookup(spec);
2645 if (!scripting_ops) {
2646 fprintf(stderr, "invalid language specifier");
2647 return -1;
2648 }
2649 script++;
2650 } else {
2651 script = str;
2652 ext = strrchr(script, '.');
2653 if (!ext) {
2654 fprintf(stderr, "invalid script extension");
2655 return -1;
2656 }
2657 scripting_ops = script_spec__lookup(++ext);
2658 if (!scripting_ops) {
2659 fprintf(stderr, "invalid script extension");
2660 return -1;
2661 }
2662 }
2663
2664 script_name = strdup(script);
2665
2666 return 0;
2667 }
2668
parse_output_fields(const struct option * opt __maybe_unused,const char * arg,int unset __maybe_unused)2669 static int parse_output_fields(const struct option *opt __maybe_unused,
2670 const char *arg, int unset __maybe_unused)
2671 {
2672 char *tok, *strtok_saveptr = NULL;
2673 int i, imax = ARRAY_SIZE(all_output_options);
2674 int j;
2675 int rc = 0;
2676 char *str = strdup(arg);
2677 int type = -1;
2678 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
2679
2680 if (!str)
2681 return -ENOMEM;
2682
2683 /* first word can state for which event type the user is specifying
2684 * the fields. If no type exists, the specified fields apply to all
2685 * event types found in the file minus the invalid fields for a type.
2686 */
2687 tok = strchr(str, ':');
2688 if (tok) {
2689 *tok = '\0';
2690 tok++;
2691 if (!strcmp(str, "hw"))
2692 type = PERF_TYPE_HARDWARE;
2693 else if (!strcmp(str, "sw"))
2694 type = PERF_TYPE_SOFTWARE;
2695 else if (!strcmp(str, "trace"))
2696 type = PERF_TYPE_TRACEPOINT;
2697 else if (!strcmp(str, "raw"))
2698 type = PERF_TYPE_RAW;
2699 else if (!strcmp(str, "break"))
2700 type = PERF_TYPE_BREAKPOINT;
2701 else if (!strcmp(str, "synth"))
2702 type = OUTPUT_TYPE_SYNTH;
2703 else {
2704 fprintf(stderr, "Invalid event type in field string.\n");
2705 rc = -EINVAL;
2706 goto out;
2707 }
2708
2709 if (output[type].user_set)
2710 pr_warning("Overriding previous field request for %s events.\n",
2711 event_type(type));
2712
2713 /* Don't override defaults for +- */
2714 if (strchr(tok, '+') || strchr(tok, '-'))
2715 goto parse;
2716
2717 output[type].fields = 0;
2718 output[type].user_set = true;
2719 output[type].wildcard_set = false;
2720
2721 } else {
2722 tok = str;
2723 if (strlen(str) == 0) {
2724 fprintf(stderr,
2725 "Cannot set fields to 'none' for all event types.\n");
2726 rc = -EINVAL;
2727 goto out;
2728 }
2729
2730 /* Don't override defaults for +- */
2731 if (strchr(str, '+') || strchr(str, '-'))
2732 goto parse;
2733
2734 if (output_set_by_user())
2735 pr_warning("Overriding previous field request for all events.\n");
2736
2737 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2738 output[j].fields = 0;
2739 output[j].user_set = true;
2740 output[j].wildcard_set = true;
2741 }
2742 }
2743
2744 parse:
2745 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
2746 if (*tok == '+') {
2747 if (change == SET)
2748 goto out_badmix;
2749 change = ADD;
2750 tok++;
2751 } else if (*tok == '-') {
2752 if (change == SET)
2753 goto out_badmix;
2754 change = REMOVE;
2755 tok++;
2756 } else {
2757 if (change != SET && change != DEFAULT)
2758 goto out_badmix;
2759 change = SET;
2760 }
2761
2762 for (i = 0; i < imax; ++i) {
2763 if (strcmp(tok, all_output_options[i].str) == 0)
2764 break;
2765 }
2766 if (i == imax && strcmp(tok, "flags") == 0) {
2767 print_flags = change == REMOVE ? false : true;
2768 continue;
2769 }
2770 if (i == imax) {
2771 fprintf(stderr, "Invalid field requested.\n");
2772 rc = -EINVAL;
2773 goto out;
2774 }
2775
2776 if (type == -1) {
2777 /* add user option to all events types for
2778 * which it is valid
2779 */
2780 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2781 if (output[j].invalid_fields & all_output_options[i].field) {
2782 pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
2783 all_output_options[i].str, event_type(j));
2784 } else {
2785 if (change == REMOVE) {
2786 output[j].fields &= ~all_output_options[i].field;
2787 output[j].user_set_fields &= ~all_output_options[i].field;
2788 output[j].user_unset_fields |= all_output_options[i].field;
2789 } else {
2790 output[j].fields |= all_output_options[i].field;
2791 output[j].user_set_fields |= all_output_options[i].field;
2792 output[j].user_unset_fields &= ~all_output_options[i].field;
2793 }
2794 output[j].user_set = true;
2795 output[j].wildcard_set = true;
2796 }
2797 }
2798 } else {
2799 if (output[type].invalid_fields & all_output_options[i].field) {
2800 fprintf(stderr, "\'%s\' not valid for %s events.\n",
2801 all_output_options[i].str, event_type(type));
2802
2803 rc = -EINVAL;
2804 goto out;
2805 }
2806 if (change == REMOVE)
2807 output[type].fields &= ~all_output_options[i].field;
2808 else
2809 output[type].fields |= all_output_options[i].field;
2810 output[type].user_set = true;
2811 output[type].wildcard_set = true;
2812 }
2813 }
2814
2815 if (type >= 0) {
2816 if (output[type].fields == 0) {
2817 pr_debug("No fields requested for %s type. "
2818 "Events will not be displayed.\n", event_type(type));
2819 }
2820 }
2821 goto out;
2822
2823 out_badmix:
2824 fprintf(stderr, "Cannot mix +-field with overridden fields\n");
2825 rc = -EINVAL;
2826 out:
2827 free(str);
2828 return rc;
2829 }
2830
2831 #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \
2832 while ((lang_dirent = readdir(scripts_dir)) != NULL) \
2833 if ((lang_dirent->d_type == DT_DIR || \
2834 (lang_dirent->d_type == DT_UNKNOWN && \
2835 is_directory(scripts_path, lang_dirent))) && \
2836 (strcmp(lang_dirent->d_name, ".")) && \
2837 (strcmp(lang_dirent->d_name, "..")))
2838
2839 #define for_each_script(lang_path, lang_dir, script_dirent) \
2840 while ((script_dirent = readdir(lang_dir)) != NULL) \
2841 if (script_dirent->d_type != DT_DIR && \
2842 (script_dirent->d_type != DT_UNKNOWN || \
2843 !is_directory(lang_path, script_dirent)))
2844
2845
2846 #define RECORD_SUFFIX "-record"
2847 #define REPORT_SUFFIX "-report"
2848
2849 struct script_desc {
2850 struct list_head node;
2851 char *name;
2852 char *half_liner;
2853 char *args;
2854 };
2855
2856 static LIST_HEAD(script_descs);
2857
script_desc__new(const char * name)2858 static struct script_desc *script_desc__new(const char *name)
2859 {
2860 struct script_desc *s = zalloc(sizeof(*s));
2861
2862 if (s != NULL && name)
2863 s->name = strdup(name);
2864
2865 return s;
2866 }
2867
script_desc__delete(struct script_desc * s)2868 static void script_desc__delete(struct script_desc *s)
2869 {
2870 zfree(&s->name);
2871 zfree(&s->half_liner);
2872 zfree(&s->args);
2873 free(s);
2874 }
2875
script_desc__add(struct script_desc * s)2876 static void script_desc__add(struct script_desc *s)
2877 {
2878 list_add_tail(&s->node, &script_descs);
2879 }
2880
script_desc__find(const char * name)2881 static struct script_desc *script_desc__find(const char *name)
2882 {
2883 struct script_desc *s;
2884
2885 list_for_each_entry(s, &script_descs, node)
2886 if (strcasecmp(s->name, name) == 0)
2887 return s;
2888 return NULL;
2889 }
2890
script_desc__findnew(const char * name)2891 static struct script_desc *script_desc__findnew(const char *name)
2892 {
2893 struct script_desc *s = script_desc__find(name);
2894
2895 if (s)
2896 return s;
2897
2898 s = script_desc__new(name);
2899 if (!s)
2900 return NULL;
2901
2902 script_desc__add(s);
2903
2904 return s;
2905 }
2906
ends_with(const char * str,const char * suffix)2907 static const char *ends_with(const char *str, const char *suffix)
2908 {
2909 size_t suffix_len = strlen(suffix);
2910 const char *p = str;
2911
2912 if (strlen(str) > suffix_len) {
2913 p = str + strlen(str) - suffix_len;
2914 if (!strncmp(p, suffix, suffix_len))
2915 return p;
2916 }
2917
2918 return NULL;
2919 }
2920
read_script_info(struct script_desc * desc,const char * filename)2921 static int read_script_info(struct script_desc *desc, const char *filename)
2922 {
2923 char line[BUFSIZ], *p;
2924 FILE *fp;
2925
2926 fp = fopen(filename, "r");
2927 if (!fp)
2928 return -1;
2929
2930 while (fgets(line, sizeof(line), fp)) {
2931 p = skip_spaces(line);
2932 if (strlen(p) == 0)
2933 continue;
2934 if (*p != '#')
2935 continue;
2936 p++;
2937 if (strlen(p) && *p == '!')
2938 continue;
2939
2940 p = skip_spaces(p);
2941 if (strlen(p) && p[strlen(p) - 1] == '\n')
2942 p[strlen(p) - 1] = '\0';
2943
2944 if (!strncmp(p, "description:", strlen("description:"))) {
2945 p += strlen("description:");
2946 desc->half_liner = strdup(skip_spaces(p));
2947 continue;
2948 }
2949
2950 if (!strncmp(p, "args:", strlen("args:"))) {
2951 p += strlen("args:");
2952 desc->args = strdup(skip_spaces(p));
2953 continue;
2954 }
2955 }
2956
2957 fclose(fp);
2958
2959 return 0;
2960 }
2961
get_script_root(struct dirent * script_dirent,const char * suffix)2962 static char *get_script_root(struct dirent *script_dirent, const char *suffix)
2963 {
2964 char *script_root, *str;
2965
2966 script_root = strdup(script_dirent->d_name);
2967 if (!script_root)
2968 return NULL;
2969
2970 str = (char *)ends_with(script_root, suffix);
2971 if (!str) {
2972 free(script_root);
2973 return NULL;
2974 }
2975
2976 *str = '\0';
2977 return script_root;
2978 }
2979
list_available_scripts(const struct option * opt __maybe_unused,const char * s __maybe_unused,int unset __maybe_unused)2980 static int list_available_scripts(const struct option *opt __maybe_unused,
2981 const char *s __maybe_unused,
2982 int unset __maybe_unused)
2983 {
2984 struct dirent *script_dirent, *lang_dirent;
2985 char scripts_path[MAXPATHLEN];
2986 DIR *scripts_dir, *lang_dir;
2987 char script_path[MAXPATHLEN];
2988 char lang_path[MAXPATHLEN];
2989 struct script_desc *desc;
2990 char first_half[BUFSIZ];
2991 char *script_root;
2992
2993 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2994
2995 scripts_dir = opendir(scripts_path);
2996 if (!scripts_dir) {
2997 fprintf(stdout,
2998 "open(%s) failed.\n"
2999 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
3000 scripts_path);
3001 exit(-1);
3002 }
3003
3004 for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3005 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3006 lang_dirent->d_name);
3007 lang_dir = opendir(lang_path);
3008 if (!lang_dir)
3009 continue;
3010
3011 for_each_script(lang_path, lang_dir, script_dirent) {
3012 script_root = get_script_root(script_dirent, REPORT_SUFFIX);
3013 if (script_root) {
3014 desc = script_desc__findnew(script_root);
3015 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3016 lang_path, script_dirent->d_name);
3017 read_script_info(desc, script_path);
3018 free(script_root);
3019 }
3020 }
3021 }
3022
3023 fprintf(stdout, "List of available trace scripts:\n");
3024 list_for_each_entry(desc, &script_descs, node) {
3025 sprintf(first_half, "%s %s", desc->name,
3026 desc->args ? desc->args : "");
3027 fprintf(stdout, " %-36s %s\n", first_half,
3028 desc->half_liner ? desc->half_liner : "");
3029 }
3030
3031 exit(0);
3032 }
3033
3034 /*
3035 * Some scripts specify the required events in their "xxx-record" file,
3036 * this function will check if the events in perf.data match those
3037 * mentioned in the "xxx-record".
3038 *
3039 * Fixme: All existing "xxx-record" are all in good formats "-e event ",
3040 * which is covered well now. And new parsing code should be added to
3041 * cover the future complexing formats like event groups etc.
3042 */
check_ev_match(char * dir_name,char * scriptname,struct perf_session * session)3043 static int check_ev_match(char *dir_name, char *scriptname,
3044 struct perf_session *session)
3045 {
3046 char filename[MAXPATHLEN], evname[128];
3047 char line[BUFSIZ], *p;
3048 struct evsel *pos;
3049 int match, len;
3050 FILE *fp;
3051
3052 scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
3053
3054 fp = fopen(filename, "r");
3055 if (!fp)
3056 return -1;
3057
3058 while (fgets(line, sizeof(line), fp)) {
3059 p = skip_spaces(line);
3060 if (*p == '#')
3061 continue;
3062
3063 while (strlen(p)) {
3064 p = strstr(p, "-e");
3065 if (!p)
3066 break;
3067
3068 p += 2;
3069 p = skip_spaces(p);
3070 len = strcspn(p, " \t");
3071 if (!len)
3072 break;
3073
3074 snprintf(evname, len + 1, "%s", p);
3075
3076 match = 0;
3077 evlist__for_each_entry(session->evlist, pos) {
3078 if (!strcmp(evsel__name(pos), evname)) {
3079 match = 1;
3080 break;
3081 }
3082 }
3083
3084 if (!match) {
3085 fclose(fp);
3086 return -1;
3087 }
3088 }
3089 }
3090
3091 fclose(fp);
3092 return 0;
3093 }
3094
3095 /*
3096 * Return -1 if none is found, otherwise the actual scripts number.
3097 *
3098 * Currently the only user of this function is the script browser, which
3099 * will list all statically runnable scripts, select one, execute it and
3100 * show the output in a perf browser.
3101 */
find_scripts(char ** scripts_array,char ** scripts_path_array,int num,int pathlen)3102 int find_scripts(char **scripts_array, char **scripts_path_array, int num,
3103 int pathlen)
3104 {
3105 struct dirent *script_dirent, *lang_dirent;
3106 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
3107 DIR *scripts_dir, *lang_dir;
3108 struct perf_session *session;
3109 struct perf_data data = {
3110 .path = input_name,
3111 .mode = PERF_DATA_MODE_READ,
3112 };
3113 char *temp;
3114 int i = 0;
3115
3116 session = perf_session__new(&data, false, NULL);
3117 if (IS_ERR(session))
3118 return PTR_ERR(session);
3119
3120 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3121
3122 scripts_dir = opendir(scripts_path);
3123 if (!scripts_dir) {
3124 perf_session__delete(session);
3125 return -1;
3126 }
3127
3128 for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3129 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
3130 lang_dirent->d_name);
3131 #ifndef HAVE_LIBPERL_SUPPORT
3132 if (strstr(lang_path, "perl"))
3133 continue;
3134 #endif
3135 #ifndef HAVE_LIBPYTHON_SUPPORT
3136 if (strstr(lang_path, "python"))
3137 continue;
3138 #endif
3139
3140 lang_dir = opendir(lang_path);
3141 if (!lang_dir)
3142 continue;
3143
3144 for_each_script(lang_path, lang_dir, script_dirent) {
3145 /* Skip those real time scripts: xxxtop.p[yl] */
3146 if (strstr(script_dirent->d_name, "top."))
3147 continue;
3148 if (i >= num)
3149 break;
3150 snprintf(scripts_path_array[i], pathlen, "%s/%s",
3151 lang_path,
3152 script_dirent->d_name);
3153 temp = strchr(script_dirent->d_name, '.');
3154 snprintf(scripts_array[i],
3155 (temp - script_dirent->d_name) + 1,
3156 "%s", script_dirent->d_name);
3157
3158 if (check_ev_match(lang_path,
3159 scripts_array[i], session))
3160 continue;
3161
3162 i++;
3163 }
3164 closedir(lang_dir);
3165 }
3166
3167 closedir(scripts_dir);
3168 perf_session__delete(session);
3169 return i;
3170 }
3171
get_script_path(const char * script_root,const char * suffix)3172 static char *get_script_path(const char *script_root, const char *suffix)
3173 {
3174 struct dirent *script_dirent, *lang_dirent;
3175 char scripts_path[MAXPATHLEN];
3176 char script_path[MAXPATHLEN];
3177 DIR *scripts_dir, *lang_dir;
3178 char lang_path[MAXPATHLEN];
3179 char *__script_root;
3180
3181 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3182
3183 scripts_dir = opendir(scripts_path);
3184 if (!scripts_dir)
3185 return NULL;
3186
3187 for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3188 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3189 lang_dirent->d_name);
3190 lang_dir = opendir(lang_path);
3191 if (!lang_dir)
3192 continue;
3193
3194 for_each_script(lang_path, lang_dir, script_dirent) {
3195 __script_root = get_script_root(script_dirent, suffix);
3196 if (__script_root && !strcmp(script_root, __script_root)) {
3197 free(__script_root);
3198 closedir(scripts_dir);
3199 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3200 lang_path, script_dirent->d_name);
3201 closedir(lang_dir);
3202 return strdup(script_path);
3203 }
3204 free(__script_root);
3205 }
3206 closedir(lang_dir);
3207 }
3208 closedir(scripts_dir);
3209
3210 return NULL;
3211 }
3212
is_top_script(const char * script_path)3213 static bool is_top_script(const char *script_path)
3214 {
3215 return ends_with(script_path, "top") == NULL ? false : true;
3216 }
3217
has_required_arg(char * script_path)3218 static int has_required_arg(char *script_path)
3219 {
3220 struct script_desc *desc;
3221 int n_args = 0;
3222 char *p;
3223
3224 desc = script_desc__new(NULL);
3225
3226 if (read_script_info(desc, script_path))
3227 goto out;
3228
3229 if (!desc->args)
3230 goto out;
3231
3232 for (p = desc->args; *p; p++)
3233 if (*p == '<')
3234 n_args++;
3235 out:
3236 script_desc__delete(desc);
3237
3238 return n_args;
3239 }
3240
have_cmd(int argc,const char ** argv)3241 static int have_cmd(int argc, const char **argv)
3242 {
3243 char **__argv = malloc(sizeof(const char *) * argc);
3244
3245 if (!__argv) {
3246 pr_err("malloc failed\n");
3247 return -1;
3248 }
3249
3250 memcpy(__argv, argv, sizeof(const char *) * argc);
3251 argc = parse_options(argc, (const char **)__argv, record_options,
3252 NULL, PARSE_OPT_STOP_AT_NON_OPTION);
3253 free(__argv);
3254
3255 system_wide = (argc == 0);
3256
3257 return 0;
3258 }
3259
script__setup_sample_type(struct perf_script * script)3260 static void script__setup_sample_type(struct perf_script *script)
3261 {
3262 struct perf_session *session = script->session;
3263 u64 sample_type = evlist__combined_sample_type(session->evlist);
3264
3265 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
3266 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
3267 (sample_type & PERF_SAMPLE_STACK_USER)) {
3268 callchain_param.record_mode = CALLCHAIN_DWARF;
3269 dwarf_callchain_users = true;
3270 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
3271 callchain_param.record_mode = CALLCHAIN_LBR;
3272 else
3273 callchain_param.record_mode = CALLCHAIN_FP;
3274 }
3275
3276 if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) {
3277 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
3278 "Please apply --call-graph lbr when recording.\n");
3279 script->stitch_lbr = false;
3280 }
3281 }
3282
process_stat_round_event(struct perf_session * session,union perf_event * event)3283 static int process_stat_round_event(struct perf_session *session,
3284 union perf_event *event)
3285 {
3286 struct perf_record_stat_round *round = &event->stat_round;
3287 struct evsel *counter;
3288
3289 evlist__for_each_entry(session->evlist, counter) {
3290 perf_stat_process_counter(&stat_config, counter);
3291 process_stat(counter, round->time);
3292 }
3293
3294 process_stat_interval(round->time);
3295 return 0;
3296 }
3297
process_stat_config_event(struct perf_session * session __maybe_unused,union perf_event * event)3298 static int process_stat_config_event(struct perf_session *session __maybe_unused,
3299 union perf_event *event)
3300 {
3301 perf_event__read_stat_config(&stat_config, &event->stat_config);
3302 return 0;
3303 }
3304
set_maps(struct perf_script * script)3305 static int set_maps(struct perf_script *script)
3306 {
3307 struct evlist *evlist = script->session->evlist;
3308
3309 if (!script->cpus || !script->threads)
3310 return 0;
3311
3312 if (WARN_ONCE(script->allocated, "stats double allocation\n"))
3313 return -EINVAL;
3314
3315 perf_evlist__set_maps(&evlist->core, script->cpus, script->threads);
3316
3317 if (perf_evlist__alloc_stats(evlist, true))
3318 return -ENOMEM;
3319
3320 script->allocated = true;
3321 return 0;
3322 }
3323
3324 static
process_thread_map_event(struct perf_session * session,union perf_event * event)3325 int process_thread_map_event(struct perf_session *session,
3326 union perf_event *event)
3327 {
3328 struct perf_tool *tool = session->tool;
3329 struct perf_script *script = container_of(tool, struct perf_script, tool);
3330
3331 if (script->threads) {
3332 pr_warning("Extra thread map event, ignoring.\n");
3333 return 0;
3334 }
3335
3336 script->threads = thread_map__new_event(&event->thread_map);
3337 if (!script->threads)
3338 return -ENOMEM;
3339
3340 return set_maps(script);
3341 }
3342
3343 static
process_cpu_map_event(struct perf_session * session,union perf_event * event)3344 int process_cpu_map_event(struct perf_session *session,
3345 union perf_event *event)
3346 {
3347 struct perf_tool *tool = session->tool;
3348 struct perf_script *script = container_of(tool, struct perf_script, tool);
3349
3350 if (script->cpus) {
3351 pr_warning("Extra cpu map event, ignoring.\n");
3352 return 0;
3353 }
3354
3355 script->cpus = cpu_map__new_data(&event->cpu_map.data);
3356 if (!script->cpus)
3357 return -ENOMEM;
3358
3359 return set_maps(script);
3360 }
3361
process_feature_event(struct perf_session * session,union perf_event * event)3362 static int process_feature_event(struct perf_session *session,
3363 union perf_event *event)
3364 {
3365 if (event->feat.feat_id < HEADER_LAST_FEATURE)
3366 return perf_event__process_feature(session, event);
3367 return 0;
3368 }
3369
3370 #ifdef HAVE_AUXTRACE_SUPPORT
perf_script__process_auxtrace_info(struct perf_session * session,union perf_event * event)3371 static int perf_script__process_auxtrace_info(struct perf_session *session,
3372 union perf_event *event)
3373 {
3374 struct perf_tool *tool = session->tool;
3375
3376 int ret = perf_event__process_auxtrace_info(session, event);
3377
3378 if (ret == 0) {
3379 struct perf_script *script = container_of(tool, struct perf_script, tool);
3380
3381 ret = perf_script__setup_per_event_dump(script);
3382 }
3383
3384 return ret;
3385 }
3386 #else
3387 #define perf_script__process_auxtrace_info 0
3388 #endif
3389
parse_insn_trace(const struct option * opt __maybe_unused,const char * str __maybe_unused,int unset __maybe_unused)3390 static int parse_insn_trace(const struct option *opt __maybe_unused,
3391 const char *str __maybe_unused,
3392 int unset __maybe_unused)
3393 {
3394 parse_output_fields(NULL, "+insn,-event,-period", 0);
3395 itrace_parse_synth_opts(opt, "i0ns", 0);
3396 symbol_conf.nanosecs = true;
3397 return 0;
3398 }
3399
parse_xed(const struct option * opt __maybe_unused,const char * str __maybe_unused,int unset __maybe_unused)3400 static int parse_xed(const struct option *opt __maybe_unused,
3401 const char *str __maybe_unused,
3402 int unset __maybe_unused)
3403 {
3404 if (isatty(1))
3405 force_pager("xed -F insn: -A -64 | less");
3406 else
3407 force_pager("xed -F insn: -A -64");
3408 return 0;
3409 }
3410
parse_call_trace(const struct option * opt __maybe_unused,const char * str __maybe_unused,int unset __maybe_unused)3411 static int parse_call_trace(const struct option *opt __maybe_unused,
3412 const char *str __maybe_unused,
3413 int unset __maybe_unused)
3414 {
3415 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
3416 itrace_parse_synth_opts(opt, "cewp", 0);
3417 symbol_conf.nanosecs = true;
3418 symbol_conf.pad_output_len_dso = 50;
3419 return 0;
3420 }
3421
parse_callret_trace(const struct option * opt __maybe_unused,const char * str __maybe_unused,int unset __maybe_unused)3422 static int parse_callret_trace(const struct option *opt __maybe_unused,
3423 const char *str __maybe_unused,
3424 int unset __maybe_unused)
3425 {
3426 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
3427 itrace_parse_synth_opts(opt, "crewp", 0);
3428 symbol_conf.nanosecs = true;
3429 return 0;
3430 }
3431
cmd_script(int argc,const char ** argv)3432 int cmd_script(int argc, const char **argv)
3433 {
3434 bool show_full_info = false;
3435 bool header = false;
3436 bool header_only = false;
3437 bool script_started = false;
3438 char *rec_script_path = NULL;
3439 char *rep_script_path = NULL;
3440 struct perf_session *session;
3441 struct itrace_synth_opts itrace_synth_opts = {
3442 .set = false,
3443 .default_no_sample = true,
3444 };
3445 struct utsname uts;
3446 char *script_path = NULL;
3447 const char **__argv;
3448 int i, j, err = 0;
3449 struct perf_script script = {
3450 .tool = {
3451 .sample = process_sample_event,
3452 .mmap = perf_event__process_mmap,
3453 .mmap2 = perf_event__process_mmap2,
3454 .comm = perf_event__process_comm,
3455 .namespaces = perf_event__process_namespaces,
3456 .cgroup = perf_event__process_cgroup,
3457 .exit = perf_event__process_exit,
3458 .fork = perf_event__process_fork,
3459 .attr = process_attr,
3460 .event_update = perf_event__process_event_update,
3461 .tracing_data = perf_event__process_tracing_data,
3462 .feature = process_feature_event,
3463 .build_id = perf_event__process_build_id,
3464 .id_index = perf_event__process_id_index,
3465 .auxtrace_info = perf_script__process_auxtrace_info,
3466 .auxtrace = perf_event__process_auxtrace,
3467 .auxtrace_error = perf_event__process_auxtrace_error,
3468 .stat = perf_event__process_stat_event,
3469 .stat_round = process_stat_round_event,
3470 .stat_config = process_stat_config_event,
3471 .thread_map = process_thread_map_event,
3472 .cpu_map = process_cpu_map_event,
3473 .ordered_events = true,
3474 .ordering_requires_timestamps = true,
3475 },
3476 };
3477 struct perf_data data = {
3478 .mode = PERF_DATA_MODE_READ,
3479 };
3480 const struct option options[] = {
3481 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3482 "dump raw trace in ASCII"),
3483 OPT_INCR('v', "verbose", &verbose,
3484 "be more verbose (show symbol address, etc)"),
3485 OPT_BOOLEAN('L', "Latency", &latency_format,
3486 "show latency attributes (irqs/preemption disabled, etc)"),
3487 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3488 list_available_scripts),
3489 OPT_CALLBACK('s', "script", NULL, "name",
3490 "script file name (lang:script name, script name, or *)",
3491 parse_scriptname),
3492 OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3493 "generate perf-script.xx script in specified language"),
3494 OPT_STRING('i', "input", &input_name, "file", "input file name"),
3495 OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3496 "do various checks like samples ordering and lost events"),
3497 OPT_BOOLEAN(0, "header", &header, "Show data header."),
3498 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3499 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3500 "file", "vmlinux pathname"),
3501 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3502 "file", "kallsyms pathname"),
3503 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3504 "When printing symbols do not display call chain"),
3505 OPT_CALLBACK(0, "symfs", NULL, "directory",
3506 "Look for files with symbols relative to this directory",
3507 symbol__config_symfs),
3508 OPT_CALLBACK('F', "fields", NULL, "str",
3509 "comma separated output fields prepend with 'type:'. "
3510 "+field to add and -field to remove."
3511 "Valid types: hw,sw,trace,raw,synth. "
3512 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
3513 "addr,symoff,srcline,period,iregs,uregs,brstack,"
3514 "brstacksym,flags,bpf-output,brstackinsn,brstackoff,"
3515 "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc,tod",
3516 parse_output_fields),
3517 OPT_BOOLEAN('a', "all-cpus", &system_wide,
3518 "system-wide collection from all CPUs"),
3519 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3520 "only consider these symbols"),
3521 OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL,
3522 "Decode instructions from itrace", parse_insn_trace),
3523 OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
3524 "Run xed disassembler on output", parse_xed),
3525 OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
3526 "Decode calls from from itrace", parse_call_trace),
3527 OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
3528 "Decode calls and returns from itrace", parse_callret_trace),
3529 OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",
3530 "Only print symbols and callees with --call-trace/--call-ret-trace"),
3531 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3532 "Stop display of callgraph at these symbols"),
3533 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3534 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3535 "only display events for these comms"),
3536 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3537 "only consider symbols in these pids"),
3538 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3539 "only consider symbols in these tids"),
3540 OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3541 "Set the maximum stack depth when parsing the callchain, "
3542 "anything beyond the specified depth will be ignored. "
3543 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3544 OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"),
3545 OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"),
3546 OPT_BOOLEAN('I', "show-info", &show_full_info,
3547 "display extended information from perf.data file"),
3548 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3549 "Show the path of [kernel.kallsyms]"),
3550 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3551 "Show the fork/comm/exit events"),
3552 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3553 "Show the mmap events"),
3554 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3555 "Show context switch events (if recorded)"),
3556 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3557 "Show namespace events (if recorded)"),
3558 OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events,
3559 "Show cgroup events (if recorded)"),
3560 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3561 "Show lost events (if recorded)"),
3562 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3563 "Show round events (if recorded)"),
3564 OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events,
3565 "Show bpf related events (if recorded)"),
3566 OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events,
3567 "Show text poke related events (if recorded)"),
3568 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
3569 "Dump trace output to files named by the monitored events"),
3570 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3571 OPT_INTEGER(0, "max-blocks", &max_blocks,
3572 "Maximum number of code blocks to dump with brstackinsn"),
3573 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs,
3574 "Use 9 decimal places when displaying time"),
3575 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
3576 "Instruction Tracing options\n" ITRACE_HELP,
3577 itrace_parse_synth_opts),
3578 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
3579 "Show full source file name path for source lines"),
3580 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
3581 "Enable symbol demangling"),
3582 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
3583 "Enable kernel symbol demangling"),
3584 OPT_STRING(0, "time", &script.time_str, "str",
3585 "Time span of interest (start,stop)"),
3586 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
3587 "Show inline function"),
3588 OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
3589 "guest mount directory under which every guest os"
3590 " instance has a subdir"),
3591 OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name,
3592 "file", "file saving guest os vmlinux"),
3593 OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms,
3594 "file", "file saving guest os /proc/kallsyms"),
3595 OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
3596 "file", "file saving guest os /proc/modules"),
3597 OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr,
3598 "Enable LBR callgraph stitching approach"),
3599 OPTS_EVSWITCH(&script.evswitch),
3600 OPT_END()
3601 };
3602 const char * const script_subcommands[] = { "record", "report", NULL };
3603 const char *script_usage[] = {
3604 "perf script [<options>]",
3605 "perf script [<options>] record <script> [<record-options>] <command>",
3606 "perf script [<options>] report <script> [script-args]",
3607 "perf script [<options>] <script> [<record-options>] <command>",
3608 "perf script [<options>] <top-script> [script-args]",
3609 NULL
3610 };
3611
3612 perf_set_singlethreaded();
3613
3614 setup_scripting();
3615
3616 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3617 PARSE_OPT_STOP_AT_NON_OPTION);
3618
3619 if (symbol_conf.guestmount ||
3620 symbol_conf.default_guest_vmlinux_name ||
3621 symbol_conf.default_guest_kallsyms ||
3622 symbol_conf.default_guest_modules) {
3623 /*
3624 * Enable guest sample processing.
3625 */
3626 perf_guest = true;
3627 }
3628
3629 data.path = input_name;
3630 data.force = symbol_conf.force;
3631
3632 if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
3633 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
3634 if (!rec_script_path)
3635 return cmd_record(argc, argv);
3636 }
3637
3638 if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
3639 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
3640 if (!rep_script_path) {
3641 fprintf(stderr,
3642 "Please specify a valid report script"
3643 "(see 'perf script -l' for listing)\n");
3644 return -1;
3645 }
3646 }
3647
3648 if (reltime && deltatime) {
3649 fprintf(stderr,
3650 "reltime and deltatime - the two don't get along well. "
3651 "Please limit to --reltime or --deltatime.\n");
3652 return -1;
3653 }
3654
3655 if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) &&
3656 itrace_synth_opts.callchain_sz > scripting_max_stack)
3657 scripting_max_stack = itrace_synth_opts.callchain_sz;
3658
3659 /* make sure PERF_EXEC_PATH is set for scripts */
3660 set_argv_exec_path(get_argv_exec_path());
3661
3662 if (argc && !script_name && !rec_script_path && !rep_script_path) {
3663 int live_pipe[2];
3664 int rep_args;
3665 pid_t pid;
3666
3667 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
3668 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
3669
3670 if (!rec_script_path && !rep_script_path) {
3671 usage_with_options_msg(script_usage, options,
3672 "Couldn't find script `%s'\n\n See perf"
3673 " script -l for available scripts.\n", argv[0]);
3674 }
3675
3676 if (is_top_script(argv[0])) {
3677 rep_args = argc - 1;
3678 } else {
3679 int rec_args;
3680
3681 rep_args = has_required_arg(rep_script_path);
3682 rec_args = (argc - 1) - rep_args;
3683 if (rec_args < 0) {
3684 usage_with_options_msg(script_usage, options,
3685 "`%s' script requires options."
3686 "\n\n See perf script -l for available "
3687 "scripts and options.\n", argv[0]);
3688 }
3689 }
3690
3691 if (pipe(live_pipe) < 0) {
3692 perror("failed to create pipe");
3693 return -1;
3694 }
3695
3696 pid = fork();
3697 if (pid < 0) {
3698 perror("failed to fork");
3699 return -1;
3700 }
3701
3702 if (!pid) {
3703 j = 0;
3704
3705 dup2(live_pipe[1], 1);
3706 close(live_pipe[0]);
3707
3708 if (is_top_script(argv[0])) {
3709 system_wide = true;
3710 } else if (!system_wide) {
3711 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
3712 err = -1;
3713 goto out;
3714 }
3715 }
3716
3717 __argv = malloc((argc + 6) * sizeof(const char *));
3718 if (!__argv) {
3719 pr_err("malloc failed\n");
3720 err = -ENOMEM;
3721 goto out;
3722 }
3723
3724 __argv[j++] = "/bin/sh";
3725 __argv[j++] = rec_script_path;
3726 if (system_wide)
3727 __argv[j++] = "-a";
3728 __argv[j++] = "-q";
3729 __argv[j++] = "-o";
3730 __argv[j++] = "-";
3731 for (i = rep_args + 1; i < argc; i++)
3732 __argv[j++] = argv[i];
3733 __argv[j++] = NULL;
3734
3735 execvp("/bin/sh", (char **)__argv);
3736 free(__argv);
3737 exit(-1);
3738 }
3739
3740 dup2(live_pipe[0], 0);
3741 close(live_pipe[1]);
3742
3743 __argv = malloc((argc + 4) * sizeof(const char *));
3744 if (!__argv) {
3745 pr_err("malloc failed\n");
3746 err = -ENOMEM;
3747 goto out;
3748 }
3749
3750 j = 0;
3751 __argv[j++] = "/bin/sh";
3752 __argv[j++] = rep_script_path;
3753 for (i = 1; i < rep_args + 1; i++)
3754 __argv[j++] = argv[i];
3755 __argv[j++] = "-i";
3756 __argv[j++] = "-";
3757 __argv[j++] = NULL;
3758
3759 execvp("/bin/sh", (char **)__argv);
3760 free(__argv);
3761 exit(-1);
3762 }
3763
3764 if (rec_script_path)
3765 script_path = rec_script_path;
3766 if (rep_script_path)
3767 script_path = rep_script_path;
3768
3769 if (script_path) {
3770 j = 0;
3771
3772 if (!rec_script_path)
3773 system_wide = false;
3774 else if (!system_wide) {
3775 if (have_cmd(argc - 1, &argv[1]) != 0) {
3776 err = -1;
3777 goto out;
3778 }
3779 }
3780
3781 __argv = malloc((argc + 2) * sizeof(const char *));
3782 if (!__argv) {
3783 pr_err("malloc failed\n");
3784 err = -ENOMEM;
3785 goto out;
3786 }
3787
3788 __argv[j++] = "/bin/sh";
3789 __argv[j++] = script_path;
3790 if (system_wide)
3791 __argv[j++] = "-a";
3792 for (i = 2; i < argc; i++)
3793 __argv[j++] = argv[i];
3794 __argv[j++] = NULL;
3795
3796 execvp("/bin/sh", (char **)__argv);
3797 free(__argv);
3798 exit(-1);
3799 }
3800
3801 if (!script_name) {
3802 setup_pager();
3803 use_browser = 0;
3804 }
3805
3806 session = perf_session__new(&data, false, &script.tool);
3807 if (IS_ERR(session))
3808 return PTR_ERR(session);
3809
3810 if (header || header_only) {
3811 script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
3812 perf_session__fprintf_info(session, stdout, show_full_info);
3813 if (header_only)
3814 goto out_delete;
3815 }
3816 if (show_full_info)
3817 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
3818
3819 if (symbol__init(&session->header.env) < 0)
3820 goto out_delete;
3821
3822 uname(&uts);
3823 if (data.is_pipe) { /* Assume pipe_mode indicates native_arch */
3824 native_arch = true;
3825 } else if (session->header.env.arch) {
3826 if (!strcmp(uts.machine, session->header.env.arch))
3827 native_arch = true;
3828 else if (!strcmp(uts.machine, "x86_64") &&
3829 !strcmp(session->header.env.arch, "i386"))
3830 native_arch = true;
3831 }
3832
3833 script.session = session;
3834 script__setup_sample_type(&script);
3835
3836 if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) ||
3837 symbol_conf.graph_function)
3838 itrace_synth_opts.thread_stack = true;
3839
3840 session->itrace_synth_opts = &itrace_synth_opts;
3841
3842 if (cpu_list) {
3843 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
3844 if (err < 0)
3845 goto out_delete;
3846 itrace_synth_opts.cpu_bitmap = cpu_bitmap;
3847 }
3848
3849 if (!no_callchain)
3850 symbol_conf.use_callchain = true;
3851 else
3852 symbol_conf.use_callchain = false;
3853
3854 if (session->tevent.pevent &&
3855 tep_set_function_resolver(session->tevent.pevent,
3856 machine__resolve_kernel_addr,
3857 &session->machines.host) < 0) {
3858 pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
3859 err = -1;
3860 goto out_delete;
3861 }
3862
3863 if (generate_script_lang) {
3864 struct stat perf_stat;
3865 int input;
3866
3867 if (output_set_by_user()) {
3868 fprintf(stderr,
3869 "custom fields not supported for generated scripts");
3870 err = -EINVAL;
3871 goto out_delete;
3872 }
3873
3874 input = open(data.path, O_RDONLY); /* input_name */
3875 if (input < 0) {
3876 err = -errno;
3877 perror("failed to open file");
3878 goto out_delete;
3879 }
3880
3881 err = fstat(input, &perf_stat);
3882 if (err < 0) {
3883 perror("failed to stat file");
3884 goto out_delete;
3885 }
3886
3887 if (!perf_stat.st_size) {
3888 fprintf(stderr, "zero-sized file, nothing to do!\n");
3889 goto out_delete;
3890 }
3891
3892 scripting_ops = script_spec__lookup(generate_script_lang);
3893 if (!scripting_ops) {
3894 fprintf(stderr, "invalid language specifier");
3895 err = -ENOENT;
3896 goto out_delete;
3897 }
3898
3899 err = scripting_ops->generate_script(session->tevent.pevent,
3900 "perf-script");
3901 goto out_delete;
3902 }
3903
3904 if (script_name) {
3905 err = scripting_ops->start_script(script_name, argc, argv);
3906 if (err)
3907 goto out_delete;
3908 pr_debug("perf script started with script %s\n\n", script_name);
3909 script_started = true;
3910 }
3911
3912
3913 err = perf_session__check_output_opt(session);
3914 if (err < 0)
3915 goto out_delete;
3916
3917 if (script.time_str) {
3918 err = perf_time__parse_for_ranges_reltime(script.time_str, session,
3919 &script.ptime_range,
3920 &script.range_size,
3921 &script.range_num,
3922 reltime);
3923 if (err < 0)
3924 goto out_delete;
3925
3926 itrace_synth_opts__set_time_range(&itrace_synth_opts,
3927 script.ptime_range,
3928 script.range_num);
3929 }
3930
3931 err = evswitch__init(&script.evswitch, session->evlist, stderr);
3932 if (err)
3933 goto out_delete;
3934
3935 if (zstd_init(&(session->zstd_data), 0) < 0)
3936 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n");
3937
3938 err = __cmd_script(&script);
3939
3940 flush_scripting();
3941
3942 out_delete:
3943 if (script.ptime_range) {
3944 itrace_synth_opts__clear_time_range(&itrace_synth_opts);
3945 zfree(&script.ptime_range);
3946 }
3947
3948 perf_evlist__free_stats(session->evlist);
3949 perf_session__delete(session);
3950 perf_script__exit(&script);
3951
3952 if (script_started)
3953 cleanup_scripting();
3954 out:
3955 return err;
3956 }
3957