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1// SPDX-License-Identifier: GPL-2.0
2#include "builtin.h"
3
4#include "perf.h"
5#include "util/cache.h"
6#include "util/debug.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/symbol.h"
14#include "util/thread.h"
15#include "util/trace-event.h"
16#include "util/util.h"
17#include "util/evlist.h"
18#include "util/evsel.h"
19#include "util/sort.h"
20#include "util/data.h"
21#include "util/auxtrace.h"
22#include "util/cpumap.h"
23#include "util/thread_map.h"
24#include "util/stat.h"
25#include "util/color.h"
26#include "util/string2.h"
27#include "util/thread-stack.h"
28#include "util/time-utils.h"
29#include "util/path.h"
30#include "print_binary.h"
31#include <linux/bitmap.h>
32#include <linux/kernel.h>
33#include <linux/stringify.h>
34#include <linux/time64.h>
35#include "asm/bug.h"
36#include "util/mem-events.h"
37#include "util/dump-insn.h"
38#include <dirent.h>
39#include <errno.h>
40#include <inttypes.h>
41#include <signal.h>
42#include <sys/param.h>
43#include <sys/types.h>
44#include <sys/stat.h>
45#include <fcntl.h>
46#include <unistd.h>
47
48#include "sane_ctype.h"
49
50static char const *script_name;
51static char const *generate_script_lang;
52static bool debug_mode;
53static u64 last_timestamp;
54static u64 nr_unordered;
55static bool no_callchain;
56static bool latency_format;
57static bool system_wide;
58static bool print_flags;
59static bool nanosecs;
60static const char *cpu_list;
61static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
62static struct perf_stat_config stat_config;
63static int max_blocks;
64
65unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
66
67enum perf_output_field {
68 PERF_OUTPUT_COMM = 1U << 0,
69 PERF_OUTPUT_TID = 1U << 1,
70 PERF_OUTPUT_PID = 1U << 2,
71 PERF_OUTPUT_TIME = 1U << 3,
72 PERF_OUTPUT_CPU = 1U << 4,
73 PERF_OUTPUT_EVNAME = 1U << 5,
74 PERF_OUTPUT_TRACE = 1U << 6,
75 PERF_OUTPUT_IP = 1U << 7,
76 PERF_OUTPUT_SYM = 1U << 8,
77 PERF_OUTPUT_DSO = 1U << 9,
78 PERF_OUTPUT_ADDR = 1U << 10,
79 PERF_OUTPUT_SYMOFFSET = 1U << 11,
80 PERF_OUTPUT_SRCLINE = 1U << 12,
81 PERF_OUTPUT_PERIOD = 1U << 13,
82 PERF_OUTPUT_IREGS = 1U << 14,
83 PERF_OUTPUT_BRSTACK = 1U << 15,
84 PERF_OUTPUT_BRSTACKSYM = 1U << 16,
85 PERF_OUTPUT_DATA_SRC = 1U << 17,
86 PERF_OUTPUT_WEIGHT = 1U << 18,
87 PERF_OUTPUT_BPF_OUTPUT = 1U << 19,
88 PERF_OUTPUT_CALLINDENT = 1U << 20,
89 PERF_OUTPUT_INSN = 1U << 21,
90 PERF_OUTPUT_INSNLEN = 1U << 22,
91 PERF_OUTPUT_BRSTACKINSN = 1U << 23,
92 PERF_OUTPUT_BRSTACKOFF = 1U << 24,
93 PERF_OUTPUT_SYNTH = 1U << 25,
94 PERF_OUTPUT_PHYS_ADDR = 1U << 26,
95 PERF_OUTPUT_UREGS = 1U << 27,
96 PERF_OUTPUT_METRIC = 1U << 28,
97 PERF_OUTPUT_MISC = 1U << 29,
98};
99
100struct output_option {
101 const char *str;
102 enum perf_output_field field;
103} all_output_options[] = {
104 {.str = "comm", .field = PERF_OUTPUT_COMM},
105 {.str = "tid", .field = PERF_OUTPUT_TID},
106 {.str = "pid", .field = PERF_OUTPUT_PID},
107 {.str = "time", .field = PERF_OUTPUT_TIME},
108 {.str = "cpu", .field = PERF_OUTPUT_CPU},
109 {.str = "event", .field = PERF_OUTPUT_EVNAME},
110 {.str = "trace", .field = PERF_OUTPUT_TRACE},
111 {.str = "ip", .field = PERF_OUTPUT_IP},
112 {.str = "sym", .field = PERF_OUTPUT_SYM},
113 {.str = "dso", .field = PERF_OUTPUT_DSO},
114 {.str = "addr", .field = PERF_OUTPUT_ADDR},
115 {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
116 {.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
117 {.str = "period", .field = PERF_OUTPUT_PERIOD},
118 {.str = "iregs", .field = PERF_OUTPUT_IREGS},
119 {.str = "uregs", .field = PERF_OUTPUT_UREGS},
120 {.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
121 {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
122 {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
123 {.str = "weight", .field = PERF_OUTPUT_WEIGHT},
124 {.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT},
125 {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
126 {.str = "insn", .field = PERF_OUTPUT_INSN},
127 {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
128 {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
129 {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
130 {.str = "synth", .field = PERF_OUTPUT_SYNTH},
131 {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
132 {.str = "metric", .field = PERF_OUTPUT_METRIC},
133 {.str = "misc", .field = PERF_OUTPUT_MISC},
134};
135
136enum {
137 OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
138 OUTPUT_TYPE_MAX
139};
140
141/* default set to maintain compatibility with current format */
142static struct {
143 bool user_set;
144 bool wildcard_set;
145 unsigned int print_ip_opts;
146 u64 fields;
147 u64 invalid_fields;
148} output[OUTPUT_TYPE_MAX] = {
149
150 [PERF_TYPE_HARDWARE] = {
151 .user_set = false,
152
153 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
154 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
155 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
156 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
157 PERF_OUTPUT_PERIOD,
158
159 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
160 },
161
162 [PERF_TYPE_SOFTWARE] = {
163 .user_set = false,
164
165 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
166 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
167 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
168 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
169 PERF_OUTPUT_PERIOD | PERF_OUTPUT_BPF_OUTPUT,
170
171 .invalid_fields = PERF_OUTPUT_TRACE,
172 },
173
174 [PERF_TYPE_TRACEPOINT] = {
175 .user_set = false,
176
177 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
178 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
179 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
180 },
181
182 [PERF_TYPE_RAW] = {
183 .user_set = false,
184
185 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
186 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
187 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
188 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
189 PERF_OUTPUT_PERIOD | PERF_OUTPUT_ADDR |
190 PERF_OUTPUT_DATA_SRC | PERF_OUTPUT_WEIGHT |
191 PERF_OUTPUT_PHYS_ADDR,
192
193 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
194 },
195
196 [PERF_TYPE_BREAKPOINT] = {
197 .user_set = false,
198
199 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
200 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
201 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
202 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
203 PERF_OUTPUT_PERIOD,
204
205 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
206 },
207
208 [OUTPUT_TYPE_SYNTH] = {
209 .user_set = false,
210
211 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
212 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
213 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
214 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
215 PERF_OUTPUT_SYNTH,
216
217 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
218 },
219};
220
221struct perf_evsel_script {
222 char *filename;
223 FILE *fp;
224 u64 samples;
225 /* For metric output */
226 u64 val;
227 int gnum;
228};
229
230static inline struct perf_evsel_script *evsel_script(struct perf_evsel *evsel)
231{
232 return (struct perf_evsel_script *)evsel->priv;
233}
234
235static struct perf_evsel_script *perf_evsel_script__new(struct perf_evsel *evsel,
236 struct perf_data *data)
237{
238 struct perf_evsel_script *es = zalloc(sizeof(*es));
239
240 if (es != NULL) {
241 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, perf_evsel__name(evsel)) < 0)
242 goto out_free;
243 es->fp = fopen(es->filename, "w");
244 if (es->fp == NULL)
245 goto out_free_filename;
246 }
247
248 return es;
249out_free_filename:
250 zfree(&es->filename);
251out_free:
252 free(es);
253 return NULL;
254}
255
256static void perf_evsel_script__delete(struct perf_evsel_script *es)
257{
258 zfree(&es->filename);
259 fclose(es->fp);
260 es->fp = NULL;
261 free(es);
262}
263
264static int perf_evsel_script__fprintf(struct perf_evsel_script *es, FILE *fp)
265{
266 struct stat st;
267
268 fstat(fileno(es->fp), &st);
269 return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
270 st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
271}
272
273static inline int output_type(unsigned int type)
274{
275 switch (type) {
276 case PERF_TYPE_SYNTH:
277 return OUTPUT_TYPE_SYNTH;
278 default:
279 return type;
280 }
281}
282
283static inline unsigned int attr_type(unsigned int type)
284{
285 switch (type) {
286 case OUTPUT_TYPE_SYNTH:
287 return PERF_TYPE_SYNTH;
288 default:
289 return type;
290 }
291}
292
293static bool output_set_by_user(void)
294{
295 int j;
296 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
297 if (output[j].user_set)
298 return true;
299 }
300 return false;
301}
302
303static const char *output_field2str(enum perf_output_field field)
304{
305 int i, imax = ARRAY_SIZE(all_output_options);
306 const char *str = "";
307
308 for (i = 0; i < imax; ++i) {
309 if (all_output_options[i].field == field) {
310 str = all_output_options[i].str;
311 break;
312 }
313 }
314 return str;
315}
316
317#define PRINT_FIELD(x) (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
318
319static int perf_evsel__do_check_stype(struct perf_evsel *evsel,
320 u64 sample_type, const char *sample_msg,
321 enum perf_output_field field,
322 bool allow_user_set)
323{
324 struct perf_event_attr *attr = &evsel->attr;
325 int type = output_type(attr->type);
326 const char *evname;
327
328 if (attr->sample_type & sample_type)
329 return 0;
330
331 if (output[type].user_set) {
332 if (allow_user_set)
333 return 0;
334 evname = perf_evsel__name(evsel);
335 pr_err("Samples for '%s' event do not have %s attribute set. "
336 "Cannot print '%s' field.\n",
337 evname, sample_msg, output_field2str(field));
338 return -1;
339 }
340
341 /* user did not ask for it explicitly so remove from the default list */
342 output[type].fields &= ~field;
343 evname = perf_evsel__name(evsel);
344 pr_debug("Samples for '%s' event do not have %s attribute set. "
345 "Skipping '%s' field.\n",
346 evname, sample_msg, output_field2str(field));
347
348 return 0;
349}
350
351static int perf_evsel__check_stype(struct perf_evsel *evsel,
352 u64 sample_type, const char *sample_msg,
353 enum perf_output_field field)
354{
355 return perf_evsel__do_check_stype(evsel, sample_type, sample_msg, field,
356 false);
357}
358
359static int perf_evsel__check_attr(struct perf_evsel *evsel,
360 struct perf_session *session)
361{
362 struct perf_event_attr *attr = &evsel->attr;
363 bool allow_user_set;
364
365 if (perf_header__has_feat(&session->header, HEADER_STAT))
366 return 0;
367
368 allow_user_set = perf_header__has_feat(&session->header,
369 HEADER_AUXTRACE);
370
371 if (PRINT_FIELD(TRACE) &&
372 !perf_session__has_traces(session, "record -R"))
373 return -EINVAL;
374
375 if (PRINT_FIELD(IP)) {
376 if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP",
377 PERF_OUTPUT_IP))
378 return -EINVAL;
379 }
380
381 if (PRINT_FIELD(ADDR) &&
382 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR",
383 PERF_OUTPUT_ADDR, allow_user_set))
384 return -EINVAL;
385
386 if (PRINT_FIELD(DATA_SRC) &&
387 perf_evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC",
388 PERF_OUTPUT_DATA_SRC))
389 return -EINVAL;
390
391 if (PRINT_FIELD(WEIGHT) &&
392 perf_evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT",
393 PERF_OUTPUT_WEIGHT))
394 return -EINVAL;
395
396 if (PRINT_FIELD(SYM) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) {
397 pr_err("Display of symbols requested but neither sample IP nor "
398 "sample address\nis selected. Hence, no addresses to convert "
399 "to symbols.\n");
400 return -EINVAL;
401 }
402 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
403 pr_err("Display of offsets requested but symbol is not"
404 "selected.\n");
405 return -EINVAL;
406 }
407 if (PRINT_FIELD(DSO) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR) &&
408 !PRINT_FIELD(BRSTACK) && !PRINT_FIELD(BRSTACKSYM) && !PRINT_FIELD(BRSTACKOFF)) {
409 pr_err("Display of DSO requested but no address to convert. Select\n"
410 "sample IP, sample address, brstack, brstacksym, or brstackoff.\n");
411 return -EINVAL;
412 }
413 if (PRINT_FIELD(SRCLINE) && !PRINT_FIELD(IP)) {
414 pr_err("Display of source line number requested but sample IP is not\n"
415 "selected. Hence, no address to lookup the source line number.\n");
416 return -EINVAL;
417 }
418 if (PRINT_FIELD(BRSTACKINSN) &&
419 !(perf_evlist__combined_branch_type(session->evlist) &
420 PERF_SAMPLE_BRANCH_ANY)) {
421 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
422 "Hint: run 'perf record -b ...'\n");
423 return -EINVAL;
424 }
425 if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
426 perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID",
427 PERF_OUTPUT_TID|PERF_OUTPUT_PID))
428 return -EINVAL;
429
430 if (PRINT_FIELD(TIME) &&
431 perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME",
432 PERF_OUTPUT_TIME))
433 return -EINVAL;
434
435 if (PRINT_FIELD(CPU) &&
436 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU",
437 PERF_OUTPUT_CPU, allow_user_set))
438 return -EINVAL;
439
440 if (PRINT_FIELD(IREGS) &&
441 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS",
442 PERF_OUTPUT_IREGS))
443 return -EINVAL;
444
445 if (PRINT_FIELD(UREGS) &&
446 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS",
447 PERF_OUTPUT_UREGS))
448 return -EINVAL;
449
450 if (PRINT_FIELD(PHYS_ADDR) &&
451 perf_evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR",
452 PERF_OUTPUT_PHYS_ADDR))
453 return -EINVAL;
454
455 return 0;
456}
457
458static void set_print_ip_opts(struct perf_event_attr *attr)
459{
460 unsigned int type = output_type(attr->type);
461
462 output[type].print_ip_opts = 0;
463 if (PRINT_FIELD(IP))
464 output[type].print_ip_opts |= EVSEL__PRINT_IP;
465
466 if (PRINT_FIELD(SYM))
467 output[type].print_ip_opts |= EVSEL__PRINT_SYM;
468
469 if (PRINT_FIELD(DSO))
470 output[type].print_ip_opts |= EVSEL__PRINT_DSO;
471
472 if (PRINT_FIELD(SYMOFFSET))
473 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
474
475 if (PRINT_FIELD(SRCLINE))
476 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
477}
478
479/*
480 * verify all user requested events exist and the samples
481 * have the expected data
482 */
483static int perf_session__check_output_opt(struct perf_session *session)
484{
485 unsigned int j;
486 struct perf_evsel *evsel;
487
488 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
489 evsel = perf_session__find_first_evtype(session, attr_type(j));
490
491 /*
492 * even if fields is set to 0 (ie., show nothing) event must
493 * exist if user explicitly includes it on the command line
494 */
495 if (!evsel && output[j].user_set && !output[j].wildcard_set &&
496 j != OUTPUT_TYPE_SYNTH) {
497 pr_err("%s events do not exist. "
498 "Remove corresponding -F option to proceed.\n",
499 event_type(j));
500 return -1;
501 }
502
503 if (evsel && output[j].fields &&
504 perf_evsel__check_attr(evsel, session))
505 return -1;
506
507 if (evsel == NULL)
508 continue;
509
510 set_print_ip_opts(&evsel->attr);
511 }
512
513 if (!no_callchain) {
514 bool use_callchain = false;
515 bool not_pipe = false;
516
517 evlist__for_each_entry(session->evlist, evsel) {
518 not_pipe = true;
519 if (evsel->attr.sample_type & PERF_SAMPLE_CALLCHAIN) {
520 use_callchain = true;
521 break;
522 }
523 }
524 if (not_pipe && !use_callchain)
525 symbol_conf.use_callchain = false;
526 }
527
528 /*
529 * set default for tracepoints to print symbols only
530 * if callchains are present
531 */
532 if (symbol_conf.use_callchain &&
533 !output[PERF_TYPE_TRACEPOINT].user_set) {
534 struct perf_event_attr *attr;
535
536 j = PERF_TYPE_TRACEPOINT;
537
538 evlist__for_each_entry(session->evlist, evsel) {
539 if (evsel->attr.type != j)
540 continue;
541
542 attr = &evsel->attr;
543
544 if (attr->sample_type & PERF_SAMPLE_CALLCHAIN) {
545 output[j].fields |= PERF_OUTPUT_IP;
546 output[j].fields |= PERF_OUTPUT_SYM;
547 output[j].fields |= PERF_OUTPUT_DSO;
548 set_print_ip_opts(attr);
549 goto out;
550 }
551 }
552 }
553
554out:
555 return 0;
556}
557
558static int perf_sample__fprintf_iregs(struct perf_sample *sample,
559 struct perf_event_attr *attr, FILE *fp)
560{
561 struct regs_dump *regs = &sample->intr_regs;
562 uint64_t mask = attr->sample_regs_intr;
563 unsigned i = 0, r;
564 int printed = 0;
565
566 if (!regs)
567 return 0;
568
569 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
570 u64 val = regs->regs[i++];
571 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
572 }
573
574 return printed;
575}
576
577static int perf_sample__fprintf_uregs(struct perf_sample *sample,
578 struct perf_event_attr *attr, FILE *fp)
579{
580 struct regs_dump *regs = &sample->user_regs;
581 uint64_t mask = attr->sample_regs_user;
582 unsigned i = 0, r;
583 int printed = 0;
584
585 if (!regs || !regs->regs)
586 return 0;
587
588 printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
589
590 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
591 u64 val = regs->regs[i++];
592 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
593 }
594
595 return printed;
596}
597
598static int perf_sample__fprintf_start(struct perf_sample *sample,
599 struct thread *thread,
600 struct perf_evsel *evsel,
601 u32 type, FILE *fp)
602{
603 struct perf_event_attr *attr = &evsel->attr;
604 unsigned long secs;
605 unsigned long long nsecs;
606 int printed = 0;
607
608 if (PRINT_FIELD(COMM)) {
609 if (latency_format)
610 printed += fprintf(fp, "%8.8s ", thread__comm_str(thread));
611 else if (PRINT_FIELD(IP) && symbol_conf.use_callchain)
612 printed += fprintf(fp, "%s ", thread__comm_str(thread));
613 else
614 printed += fprintf(fp, "%16s ", thread__comm_str(thread));
615 }
616
617 if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
618 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid);
619 else if (PRINT_FIELD(PID))
620 printed += fprintf(fp, "%5d ", sample->pid);
621 else if (PRINT_FIELD(TID))
622 printed += fprintf(fp, "%5d ", sample->tid);
623
624 if (PRINT_FIELD(CPU)) {
625 if (latency_format)
626 printed += fprintf(fp, "%3d ", sample->cpu);
627 else
628 printed += fprintf(fp, "[%03d] ", sample->cpu);
629 }
630
631 if (PRINT_FIELD(MISC)) {
632 int ret = 0;
633
634 #define has(m) \
635 (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
636
637 if (has(KERNEL))
638 ret += fprintf(fp, "K");
639 if (has(USER))
640 ret += fprintf(fp, "U");
641 if (has(HYPERVISOR))
642 ret += fprintf(fp, "H");
643 if (has(GUEST_KERNEL))
644 ret += fprintf(fp, "G");
645 if (has(GUEST_USER))
646 ret += fprintf(fp, "g");
647
648 switch (type) {
649 case PERF_RECORD_MMAP:
650 case PERF_RECORD_MMAP2:
651 if (has(MMAP_DATA))
652 ret += fprintf(fp, "M");
653 break;
654 case PERF_RECORD_COMM:
655 if (has(COMM_EXEC))
656 ret += fprintf(fp, "E");
657 break;
658 case PERF_RECORD_SWITCH:
659 case PERF_RECORD_SWITCH_CPU_WIDE:
660 if (has(SWITCH_OUT)) {
661 ret += fprintf(fp, "S");
662 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
663 ret += fprintf(fp, "p");
664 }
665 default:
666 break;
667 }
668
669 #undef has
670
671 ret += fprintf(fp, "%*s", 6 - ret, " ");
672 printed += ret;
673 }
674
675 if (PRINT_FIELD(TIME)) {
676 nsecs = sample->time;
677 secs = nsecs / NSEC_PER_SEC;
678 nsecs -= secs * NSEC_PER_SEC;
679
680 if (nanosecs)
681 printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
682 else {
683 char sample_time[32];
684 timestamp__scnprintf_usec(sample->time, sample_time, sizeof(sample_time));
685 printed += fprintf(fp, "%12s: ", sample_time);
686 }
687 }
688
689 return printed;
690}
691
692static inline char
693mispred_str(struct branch_entry *br)
694{
695 if (!(br->flags.mispred || br->flags.predicted))
696 return '-';
697
698 return br->flags.predicted ? 'P' : 'M';
699}
700
701static int perf_sample__fprintf_brstack(struct perf_sample *sample,
702 struct thread *thread,
703 struct perf_event_attr *attr, FILE *fp)
704{
705 struct branch_stack *br = sample->branch_stack;
706 struct addr_location alf, alt;
707 u64 i, from, to;
708 int printed = 0;
709
710 if (!(br && br->nr))
711 return 0;
712
713 for (i = 0; i < br->nr; i++) {
714 from = br->entries[i].from;
715 to = br->entries[i].to;
716
717 if (PRINT_FIELD(DSO)) {
718 memset(&alf, 0, sizeof(alf));
719 memset(&alt, 0, sizeof(alt));
720 thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, from, &alf);
721 thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, to, &alt);
722 }
723
724 printed += fprintf(fp, " 0x%"PRIx64, from);
725 if (PRINT_FIELD(DSO)) {
726 printed += fprintf(fp, "(");
727 printed += map__fprintf_dsoname(alf.map, fp);
728 printed += fprintf(fp, ")");
729 }
730
731 printed += fprintf(fp, "/0x%"PRIx64, to);
732 if (PRINT_FIELD(DSO)) {
733 printed += fprintf(fp, "(");
734 printed += map__fprintf_dsoname(alt.map, fp);
735 printed += fprintf(fp, ")");
736 }
737
738 printed += fprintf(fp, "/%c/%c/%c/%d ",
739 mispred_str( br->entries + i),
740 br->entries[i].flags.in_tx? 'X' : '-',
741 br->entries[i].flags.abort? 'A' : '-',
742 br->entries[i].flags.cycles);
743 }
744
745 return printed;
746}
747
748static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
749 struct thread *thread,
750 struct perf_event_attr *attr, FILE *fp)
751{
752 struct branch_stack *br = sample->branch_stack;
753 struct addr_location alf, alt;
754 u64 i, from, to;
755 int printed = 0;
756
757 if (!(br && br->nr))
758 return 0;
759
760 for (i = 0; i < br->nr; i++) {
761
762 memset(&alf, 0, sizeof(alf));
763 memset(&alt, 0, sizeof(alt));
764 from = br->entries[i].from;
765 to = br->entries[i].to;
766
767 thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, from, &alf);
768 if (alf.map)
769 alf.sym = map__find_symbol(alf.map, alf.addr);
770
771 thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, to, &alt);
772 if (alt.map)
773 alt.sym = map__find_symbol(alt.map, alt.addr);
774
775 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
776 if (PRINT_FIELD(DSO)) {
777 printed += fprintf(fp, "(");
778 printed += map__fprintf_dsoname(alf.map, fp);
779 printed += fprintf(fp, ")");
780 }
781 printed += fprintf(fp, "%c", '/');
782 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
783 if (PRINT_FIELD(DSO)) {
784 printed += fprintf(fp, "(");
785 printed += map__fprintf_dsoname(alt.map, fp);
786 printed += fprintf(fp, ")");
787 }
788 printed += fprintf(fp, "/%c/%c/%c/%d ",
789 mispred_str( br->entries + i),
790 br->entries[i].flags.in_tx? 'X' : '-',
791 br->entries[i].flags.abort? 'A' : '-',
792 br->entries[i].flags.cycles);
793 }
794
795 return printed;
796}
797
798static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
799 struct thread *thread,
800 struct perf_event_attr *attr, FILE *fp)
801{
802 struct branch_stack *br = sample->branch_stack;
803 struct addr_location alf, alt;
804 u64 i, from, to;
805 int printed = 0;
806
807 if (!(br && br->nr))
808 return 0;
809
810 for (i = 0; i < br->nr; i++) {
811
812 memset(&alf, 0, sizeof(alf));
813 memset(&alt, 0, sizeof(alt));
814 from = br->entries[i].from;
815 to = br->entries[i].to;
816
817 thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, from, &alf);
818 if (alf.map && !alf.map->dso->adjust_symbols)
819 from = map__map_ip(alf.map, from);
820
821 thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, to, &alt);
822 if (alt.map && !alt.map->dso->adjust_symbols)
823 to = map__map_ip(alt.map, to);
824
825 printed += fprintf(fp, " 0x%"PRIx64, from);
826 if (PRINT_FIELD(DSO)) {
827 printed += fprintf(fp, "(");
828 printed += map__fprintf_dsoname(alf.map, fp);
829 printed += fprintf(fp, ")");
830 }
831 printed += fprintf(fp, "/0x%"PRIx64, to);
832 if (PRINT_FIELD(DSO)) {
833 printed += fprintf(fp, "(");
834 printed += map__fprintf_dsoname(alt.map, fp);
835 printed += fprintf(fp, ")");
836 }
837 printed += fprintf(fp, "/%c/%c/%c/%d ",
838 mispred_str(br->entries + i),
839 br->entries[i].flags.in_tx ? 'X' : '-',
840 br->entries[i].flags.abort ? 'A' : '-',
841 br->entries[i].flags.cycles);
842 }
843
844 return printed;
845}
846#define MAXBB 16384UL
847
848static int grab_bb(u8 *buffer, u64 start, u64 end,
849 struct machine *machine, struct thread *thread,
850 bool *is64bit, u8 *cpumode, bool last)
851{
852 long offset, len;
853 struct addr_location al;
854 bool kernel;
855
856 if (!start || !end)
857 return 0;
858
859 kernel = machine__kernel_ip(machine, start);
860 if (kernel)
861 *cpumode = PERF_RECORD_MISC_KERNEL;
862 else
863 *cpumode = PERF_RECORD_MISC_USER;
864
865 /*
866 * Block overlaps between kernel and user.
867 * This can happen due to ring filtering
868 * On Intel CPUs the entry into the kernel is filtered,
869 * but the exit is not. Let the caller patch it up.
870 */
871 if (kernel != machine__kernel_ip(machine, end)) {
872 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
873 return -ENXIO;
874 }
875
876 memset(&al, 0, sizeof(al));
877 if (end - start > MAXBB - MAXINSN) {
878 if (last)
879 pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
880 else
881 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
882 return 0;
883 }
884
885 thread__find_addr_map(thread, *cpumode, MAP__FUNCTION, start, &al);
886 if (!al.map || !al.map->dso) {
887 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
888 return 0;
889 }
890 if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
891 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
892 return 0;
893 }
894
895 /* Load maps to ensure dso->is_64_bit has been updated */
896 map__load(al.map);
897
898 offset = al.map->map_ip(al.map, start);
899 len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer,
900 end - start + MAXINSN);
901
902 *is64bit = al.map->dso->is_64_bit;
903 if (len <= 0)
904 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
905 start, end);
906 return len;
907}
908
909static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
910 struct perf_insn *x, u8 *inbuf, int len,
911 int insn, FILE *fp)
912{
913 int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip,
914 dump_insn(x, ip, inbuf, len, NULL),
915 en->flags.predicted ? " PRED" : "",
916 en->flags.mispred ? " MISPRED" : "",
917 en->flags.in_tx ? " INTX" : "",
918 en->flags.abort ? " ABORT" : "");
919 if (en->flags.cycles) {
920 printed += fprintf(fp, " %d cycles", en->flags.cycles);
921 if (insn)
922 printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
923 }
924 return printed + fprintf(fp, "\n");
925}
926
927static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
928 u8 cpumode, int cpu, struct symbol **lastsym,
929 struct perf_event_attr *attr, FILE *fp)
930{
931 struct addr_location al;
932 int off, printed = 0;
933
934 memset(&al, 0, sizeof(al));
935
936 thread__find_addr_map(thread, cpumode, MAP__FUNCTION, addr, &al);
937 if (!al.map)
938 thread__find_addr_map(thread, cpumode, MAP__VARIABLE,
939 addr, &al);
940 if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
941 return 0;
942
943 al.cpu = cpu;
944 al.sym = NULL;
945 if (al.map)
946 al.sym = map__find_symbol(al.map, al.addr);
947
948 if (!al.sym)
949 return 0;
950
951 if (al.addr < al.sym->end)
952 off = al.addr - al.sym->start;
953 else
954 off = al.addr - al.map->start - al.sym->start;
955 printed += fprintf(fp, "\t%s", al.sym->name);
956 if (off)
957 printed += fprintf(fp, "%+d", off);
958 printed += fprintf(fp, ":");
959 if (PRINT_FIELD(SRCLINE))
960 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
961 printed += fprintf(fp, "\n");
962 *lastsym = al.sym;
963
964 return printed;
965}
966
967static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
968 struct thread *thread,
969 struct perf_event_attr *attr,
970 struct machine *machine, FILE *fp)
971{
972 struct branch_stack *br = sample->branch_stack;
973 u64 start, end;
974 int i, insn, len, nr, ilen, printed = 0;
975 struct perf_insn x;
976 u8 buffer[MAXBB];
977 unsigned off;
978 struct symbol *lastsym = NULL;
979
980 if (!(br && br->nr))
981 return 0;
982 nr = br->nr;
983 if (max_blocks && nr > max_blocks + 1)
984 nr = max_blocks + 1;
985
986 x.thread = thread;
987 x.cpu = sample->cpu;
988
989 printed += fprintf(fp, "%c", '\n');
990
991 /* Handle first from jump, of which we don't know the entry. */
992 len = grab_bb(buffer, br->entries[nr-1].from,
993 br->entries[nr-1].from,
994 machine, thread, &x.is64bit, &x.cpumode, false);
995 if (len > 0) {
996 printed += ip__fprintf_sym(br->entries[nr - 1].from, thread,
997 x.cpumode, x.cpu, &lastsym, attr, fp);
998 printed += ip__fprintf_jump(br->entries[nr - 1].from, &br->entries[nr - 1],
999 &x, buffer, len, 0, fp);
1000 }
1001
1002 /* Print all blocks */
1003 for (i = nr - 2; i >= 0; i--) {
1004 if (br->entries[i].from || br->entries[i].to)
1005 pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1006 br->entries[i].from,
1007 br->entries[i].to);
1008 start = br->entries[i + 1].to;
1009 end = br->entries[i].from;
1010
1011 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1012 /* Patch up missing kernel transfers due to ring filters */
1013 if (len == -ENXIO && i > 0) {
1014 end = br->entries[--i].from;
1015 pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1016 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1017 }
1018 if (len <= 0)
1019 continue;
1020
1021 insn = 0;
1022 for (off = 0;; off += ilen) {
1023 uint64_t ip = start + off;
1024
1025 printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1026 if (ip == end) {
1027 printed += ip__fprintf_jump(ip, &br->entries[i], &x, buffer + off, len - off, insn, fp);
1028 break;
1029 } else {
1030 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip,
1031 dump_insn(&x, ip, buffer + off, len - off, &ilen));
1032 if (ilen == 0)
1033 break;
1034 insn++;
1035 }
1036 }
1037 }
1038
1039 /*
1040 * Hit the branch? In this case we are already done, and the target
1041 * has not been executed yet.
1042 */
1043 if (br->entries[0].from == sample->ip)
1044 goto out;
1045 if (br->entries[0].flags.abort)
1046 goto out;
1047
1048 /*
1049 * Print final block upto sample
1050 */
1051 start = br->entries[0].to;
1052 end = sample->ip;
1053 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1054 printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1055 if (len <= 0) {
1056 /* Print at least last IP if basic block did not work */
1057 len = grab_bb(buffer, sample->ip, sample->ip,
1058 machine, thread, &x.is64bit, &x.cpumode, false);
1059 if (len <= 0)
1060 goto out;
1061
1062 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip,
1063 dump_insn(&x, sample->ip, buffer, len, NULL));
1064 goto out;
1065 }
1066 for (off = 0; off <= end - start; off += ilen) {
1067 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off,
1068 dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1069 if (ilen == 0)
1070 break;
1071 }
1072out:
1073 return printed;
1074}
1075
1076static int perf_sample__fprintf_addr(struct perf_sample *sample,
1077 struct thread *thread,
1078 struct perf_event_attr *attr, FILE *fp)
1079{
1080 struct addr_location al;
1081 int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1082
1083 if (!sample_addr_correlates_sym(attr))
1084 goto out;
1085
1086 thread__resolve(thread, &al, sample);
1087
1088 if (PRINT_FIELD(SYM)) {
1089 printed += fprintf(fp, " ");
1090 if (PRINT_FIELD(SYMOFFSET))
1091 printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1092 else
1093 printed += symbol__fprintf_symname(al.sym, fp);
1094 }
1095
1096 if (PRINT_FIELD(DSO)) {
1097 printed += fprintf(fp, " (");
1098 printed += map__fprintf_dsoname(al.map, fp);
1099 printed += fprintf(fp, ")");
1100 }
1101out:
1102 return printed;
1103}
1104
1105static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1106 struct perf_evsel *evsel,
1107 struct thread *thread,
1108 struct addr_location *al, FILE *fp)
1109{
1110 struct perf_event_attr *attr = &evsel->attr;
1111 size_t depth = thread_stack__depth(thread);
1112 struct addr_location addr_al;
1113 const char *name = NULL;
1114 static int spacing;
1115 int len = 0;
1116 u64 ip = 0;
1117
1118 /*
1119 * The 'return' has already been popped off the stack so the depth has
1120 * to be adjusted to match the 'call'.
1121 */
1122 if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
1123 depth += 1;
1124
1125 if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1126 if (sample_addr_correlates_sym(attr)) {
1127 thread__resolve(thread, &addr_al, sample);
1128 if (addr_al.sym)
1129 name = addr_al.sym->name;
1130 else
1131 ip = sample->addr;
1132 } else {
1133 ip = sample->addr;
1134 }
1135 } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1136 if (al->sym)
1137 name = al->sym->name;
1138 else
1139 ip = sample->ip;
1140 }
1141
1142 if (name)
1143 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1144 else if (ip)
1145 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1146
1147 if (len < 0)
1148 return len;
1149
1150 /*
1151 * Try to keep the output length from changing frequently so that the
1152 * output lines up more nicely.
1153 */
1154 if (len > spacing || (len && len < spacing - 52))
1155 spacing = round_up(len + 4, 32);
1156
1157 if (len < spacing)
1158 len += fprintf(fp, "%*s", spacing - len, "");
1159
1160 return len;
1161}
1162
1163static int perf_sample__fprintf_insn(struct perf_sample *sample,
1164 struct perf_event_attr *attr,
1165 struct thread *thread,
1166 struct machine *machine, FILE *fp)
1167{
1168 int printed = 0;
1169
1170 if (PRINT_FIELD(INSNLEN))
1171 printed += fprintf(fp, " ilen: %d", sample->insn_len);
1172 if (PRINT_FIELD(INSN)) {
1173 int i;
1174
1175 printed += fprintf(fp, " insn:");
1176 for (i = 0; i < sample->insn_len; i++)
1177 printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
1178 }
1179 if (PRINT_FIELD(BRSTACKINSN))
1180 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
1181
1182 return printed;
1183}
1184
1185static int perf_sample__fprintf_bts(struct perf_sample *sample,
1186 struct perf_evsel *evsel,
1187 struct thread *thread,
1188 struct addr_location *al,
1189 struct machine *machine, FILE *fp)
1190{
1191 struct perf_event_attr *attr = &evsel->attr;
1192 unsigned int type = output_type(attr->type);
1193 bool print_srcline_last = false;
1194 int printed = 0;
1195
1196 if (PRINT_FIELD(CALLINDENT))
1197 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp);
1198
1199 /* print branch_from information */
1200 if (PRINT_FIELD(IP)) {
1201 unsigned int print_opts = output[type].print_ip_opts;
1202 struct callchain_cursor *cursor = NULL;
1203
1204 if (symbol_conf.use_callchain && sample->callchain &&
1205 thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1206 sample, NULL, NULL, scripting_max_stack) == 0)
1207 cursor = &callchain_cursor;
1208
1209 if (cursor == NULL) {
1210 printed += fprintf(fp, " ");
1211 if (print_opts & EVSEL__PRINT_SRCLINE) {
1212 print_srcline_last = true;
1213 print_opts &= ~EVSEL__PRINT_SRCLINE;
1214 }
1215 } else
1216 printed += fprintf(fp, "\n");
1217
1218 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, fp);
1219 }
1220
1221 /* print branch_to information */
1222 if (PRINT_FIELD(ADDR) ||
1223 ((evsel->attr.sample_type & PERF_SAMPLE_ADDR) &&
1224 !output[type].user_set)) {
1225 printed += fprintf(fp, " => ");
1226 printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1227 }
1228
1229 if (print_srcline_last)
1230 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp);
1231
1232 printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1233 return printed + fprintf(fp, "\n");
1234}
1235
1236static struct {
1237 u32 flags;
1238 const char *name;
1239} sample_flags[] = {
1240 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1241 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1242 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1243 {PERF_IP_FLAG_BRANCH, "jmp"},
1244 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1245 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1246 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1247 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1248 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1249 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"},
1250 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1251 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1252 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1253 {0, NULL}
1254};
1255
1256static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1257{
1258 const char *chars = PERF_IP_FLAG_CHARS;
1259 const int n = strlen(PERF_IP_FLAG_CHARS);
1260 bool in_tx = flags & PERF_IP_FLAG_IN_TX;
1261 const char *name = NULL;
1262 char str[33];
1263 int i, pos = 0;
1264
1265 for (i = 0; sample_flags[i].name ; i++) {
1266 if (sample_flags[i].flags == (flags & ~PERF_IP_FLAG_IN_TX)) {
1267 name = sample_flags[i].name;
1268 break;
1269 }
1270 }
1271
1272 for (i = 0; i < n; i++, flags >>= 1) {
1273 if (flags & 1)
1274 str[pos++] = chars[i];
1275 }
1276 for (; i < 32; i++, flags >>= 1) {
1277 if (flags & 1)
1278 str[pos++] = '?';
1279 }
1280 str[pos] = 0;
1281
1282 if (name)
1283 return fprintf(fp, " %-7s%4s ", name, in_tx ? "(x)" : "");
1284
1285 return fprintf(fp, " %-11s ", str);
1286}
1287
1288struct printer_data {
1289 int line_no;
1290 bool hit_nul;
1291 bool is_printable;
1292};
1293
1294static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1295 unsigned int val,
1296 void *extra, FILE *fp)
1297{
1298 unsigned char ch = (unsigned char)val;
1299 struct printer_data *printer_data = extra;
1300 int printed = 0;
1301
1302 switch (op) {
1303 case BINARY_PRINT_DATA_BEGIN:
1304 printed += fprintf(fp, "\n");
1305 break;
1306 case BINARY_PRINT_LINE_BEGIN:
1307 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1308 " ");
1309 break;
1310 case BINARY_PRINT_ADDR:
1311 printed += fprintf(fp, " %04x:", val);
1312 break;
1313 case BINARY_PRINT_NUM_DATA:
1314 printed += fprintf(fp, " %02x", val);
1315 break;
1316 case BINARY_PRINT_NUM_PAD:
1317 printed += fprintf(fp, " ");
1318 break;
1319 case BINARY_PRINT_SEP:
1320 printed += fprintf(fp, " ");
1321 break;
1322 case BINARY_PRINT_CHAR_DATA:
1323 if (printer_data->hit_nul && ch)
1324 printer_data->is_printable = false;
1325
1326 if (!isprint(ch)) {
1327 printed += fprintf(fp, "%c", '.');
1328
1329 if (!printer_data->is_printable)
1330 break;
1331
1332 if (ch == '\0')
1333 printer_data->hit_nul = true;
1334 else
1335 printer_data->is_printable = false;
1336 } else {
1337 printed += fprintf(fp, "%c", ch);
1338 }
1339 break;
1340 case BINARY_PRINT_CHAR_PAD:
1341 printed += fprintf(fp, " ");
1342 break;
1343 case BINARY_PRINT_LINE_END:
1344 printed += fprintf(fp, "\n");
1345 printer_data->line_no++;
1346 break;
1347 case BINARY_PRINT_DATA_END:
1348 default:
1349 break;
1350 }
1351
1352 return printed;
1353}
1354
1355static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1356{
1357 unsigned int nr_bytes = sample->raw_size;
1358 struct printer_data printer_data = {0, false, true};
1359 int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1360 sample__fprintf_bpf_output, &printer_data, fp);
1361
1362 if (printer_data.is_printable && printer_data.hit_nul)
1363 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1364
1365 return printed;
1366}
1367
1368static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1369{
1370 if (len > 0 && len < spacing)
1371 return fprintf(fp, "%*s", spacing - len, "");
1372
1373 return 0;
1374}
1375
1376static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1377{
1378 return perf_sample__fprintf_spacing(len, 34, fp);
1379}
1380
1381static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1382{
1383 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1384 int len;
1385
1386 if (perf_sample__bad_synth_size(sample, *data))
1387 return 0;
1388
1389 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ",
1390 data->ip, le64_to_cpu(data->payload));
1391 return len + perf_sample__fprintf_pt_spacing(len, fp);
1392}
1393
1394static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1395{
1396 struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1397 int len;
1398
1399 if (perf_sample__bad_synth_size(sample, *data))
1400 return 0;
1401
1402 len = fprintf(fp, " hints: %#x extensions: %#x ",
1403 data->hints, data->extensions);
1404 return len + perf_sample__fprintf_pt_spacing(len, fp);
1405}
1406
1407static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1408{
1409 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1410 int len;
1411
1412 if (perf_sample__bad_synth_size(sample, *data))
1413 return 0;
1414
1415 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1416 data->hw, data->cstate, data->subcstate);
1417 return len + perf_sample__fprintf_pt_spacing(len, fp);
1418}
1419
1420static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1421{
1422 struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1423 int len;
1424
1425 if (perf_sample__bad_synth_size(sample, *data))
1426 return 0;
1427
1428 len = fprintf(fp, " IP: %u ", data->ip);
1429 return len + perf_sample__fprintf_pt_spacing(len, fp);
1430}
1431
1432static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1433{
1434 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1435 int len;
1436
1437 if (perf_sample__bad_synth_size(sample, *data))
1438 return 0;
1439
1440 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1441 data->deepest_cstate, data->last_cstate,
1442 data->wake_reason);
1443 return len + perf_sample__fprintf_pt_spacing(len, fp);
1444}
1445
1446static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1447{
1448 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1449 unsigned int percent, freq;
1450 int len;
1451
1452 if (perf_sample__bad_synth_size(sample, *data))
1453 return 0;
1454
1455 freq = (le32_to_cpu(data->freq) + 500) / 1000;
1456 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1457 if (data->max_nonturbo) {
1458 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1459 len += fprintf(fp, "(%3u%%) ", percent);
1460 }
1461 return len + perf_sample__fprintf_pt_spacing(len, fp);
1462}
1463
1464static int perf_sample__fprintf_synth(struct perf_sample *sample,
1465 struct perf_evsel *evsel, FILE *fp)
1466{
1467 switch (evsel->attr.config) {
1468 case PERF_SYNTH_INTEL_PTWRITE:
1469 return perf_sample__fprintf_synth_ptwrite(sample, fp);
1470 case PERF_SYNTH_INTEL_MWAIT:
1471 return perf_sample__fprintf_synth_mwait(sample, fp);
1472 case PERF_SYNTH_INTEL_PWRE:
1473 return perf_sample__fprintf_synth_pwre(sample, fp);
1474 case PERF_SYNTH_INTEL_EXSTOP:
1475 return perf_sample__fprintf_synth_exstop(sample, fp);
1476 case PERF_SYNTH_INTEL_PWRX:
1477 return perf_sample__fprintf_synth_pwrx(sample, fp);
1478 case PERF_SYNTH_INTEL_CBR:
1479 return perf_sample__fprintf_synth_cbr(sample, fp);
1480 default:
1481 break;
1482 }
1483
1484 return 0;
1485}
1486
1487struct perf_script {
1488 struct perf_tool tool;
1489 struct perf_session *session;
1490 bool show_task_events;
1491 bool show_mmap_events;
1492 bool show_switch_events;
1493 bool show_namespace_events;
1494 bool show_lost_events;
1495 bool show_round_events;
1496 bool allocated;
1497 bool per_event_dump;
1498 struct cpu_map *cpus;
1499 struct thread_map *threads;
1500 int name_width;
1501 const char *time_str;
1502 struct perf_time_interval *ptime_range;
1503 int range_size;
1504 int range_num;
1505};
1506
1507static int perf_evlist__max_name_len(struct perf_evlist *evlist)
1508{
1509 struct perf_evsel *evsel;
1510 int max = 0;
1511
1512 evlist__for_each_entry(evlist, evsel) {
1513 int len = strlen(perf_evsel__name(evsel));
1514
1515 max = MAX(len, max);
1516 }
1517
1518 return max;
1519}
1520
1521static int data_src__fprintf(u64 data_src, FILE *fp)
1522{
1523 struct mem_info mi = { .data_src.val = data_src };
1524 char decode[100];
1525 char out[100];
1526 static int maxlen;
1527 int len;
1528
1529 perf_script__meminfo_scnprintf(decode, 100, &mi);
1530
1531 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
1532 if (maxlen < len)
1533 maxlen = len;
1534
1535 return fprintf(fp, "%-*s", maxlen, out);
1536}
1537
1538struct metric_ctx {
1539 struct perf_sample *sample;
1540 struct thread *thread;
1541 struct perf_evsel *evsel;
1542 FILE *fp;
1543};
1544
1545static void script_print_metric(void *ctx, const char *color,
1546 const char *fmt,
1547 const char *unit, double val)
1548{
1549 struct metric_ctx *mctx = ctx;
1550
1551 if (!fmt)
1552 return;
1553 perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
1554 PERF_RECORD_SAMPLE, mctx->fp);
1555 fputs("\tmetric: ", mctx->fp);
1556 if (color)
1557 color_fprintf(mctx->fp, color, fmt, val);
1558 else
1559 printf(fmt, val);
1560 fprintf(mctx->fp, " %s\n", unit);
1561}
1562
1563static void script_new_line(void *ctx)
1564{
1565 struct metric_ctx *mctx = ctx;
1566
1567 perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
1568 PERF_RECORD_SAMPLE, mctx->fp);
1569 fputs("\tmetric: ", mctx->fp);
1570}
1571
1572static void perf_sample__fprint_metric(struct perf_script *script,
1573 struct thread *thread,
1574 struct perf_evsel *evsel,
1575 struct perf_sample *sample,
1576 FILE *fp)
1577{
1578 struct perf_stat_output_ctx ctx = {
1579 .print_metric = script_print_metric,
1580 .new_line = script_new_line,
1581 .ctx = &(struct metric_ctx) {
1582 .sample = sample,
1583 .thread = thread,
1584 .evsel = evsel,
1585 .fp = fp,
1586 },
1587 .force_header = false,
1588 };
1589 struct perf_evsel *ev2;
1590 static bool init;
1591 u64 val;
1592
1593 if (!init) {
1594 perf_stat__init_shadow_stats();
1595 init = true;
1596 }
1597 if (!evsel->stats)
1598 perf_evlist__alloc_stats(script->session->evlist, false);
1599 if (evsel_script(evsel->leader)->gnum++ == 0)
1600 perf_stat__reset_shadow_stats();
1601 val = sample->period * evsel->scale;
1602 perf_stat__update_shadow_stats(evsel,
1603 val,
1604 sample->cpu,
1605 &rt_stat);
1606 evsel_script(evsel)->val = val;
1607 if (evsel_script(evsel->leader)->gnum == evsel->leader->nr_members) {
1608 for_each_group_member (ev2, evsel->leader) {
1609 perf_stat__print_shadow_stats(ev2,
1610 evsel_script(ev2)->val,
1611 sample->cpu,
1612 &ctx,
1613 NULL,
1614 &rt_stat);
1615 }
1616 evsel_script(evsel->leader)->gnum = 0;
1617 }
1618}
1619
1620static void process_event(struct perf_script *script,
1621 struct perf_sample *sample, struct perf_evsel *evsel,
1622 struct addr_location *al,
1623 struct machine *machine)
1624{
1625 struct thread *thread = al->thread;
1626 struct perf_event_attr *attr = &evsel->attr;
1627 unsigned int type = output_type(attr->type);
1628 struct perf_evsel_script *es = evsel->priv;
1629 FILE *fp = es->fp;
1630
1631 if (output[type].fields == 0)
1632 return;
1633
1634 ++es->samples;
1635
1636 perf_sample__fprintf_start(sample, thread, evsel,
1637 PERF_RECORD_SAMPLE, fp);
1638
1639 if (PRINT_FIELD(PERIOD))
1640 fprintf(fp, "%10" PRIu64 " ", sample->period);
1641
1642 if (PRINT_FIELD(EVNAME)) {
1643 const char *evname = perf_evsel__name(evsel);
1644
1645 if (!script->name_width)
1646 script->name_width = perf_evlist__max_name_len(script->session->evlist);
1647
1648 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
1649 }
1650
1651 if (print_flags)
1652 perf_sample__fprintf_flags(sample->flags, fp);
1653
1654 if (is_bts_event(attr)) {
1655 perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp);
1656 return;
1657 }
1658
1659 if (PRINT_FIELD(TRACE)) {
1660 event_format__fprintf(evsel->tp_format, sample->cpu,
1661 sample->raw_data, sample->raw_size, fp);
1662 }
1663
1664 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
1665 perf_sample__fprintf_synth(sample, evsel, fp);
1666
1667 if (PRINT_FIELD(ADDR))
1668 perf_sample__fprintf_addr(sample, thread, attr, fp);
1669
1670 if (PRINT_FIELD(DATA_SRC))
1671 data_src__fprintf(sample->data_src, fp);
1672
1673 if (PRINT_FIELD(WEIGHT))
1674 fprintf(fp, "%16" PRIu64, sample->weight);
1675
1676 if (PRINT_FIELD(IP)) {
1677 struct callchain_cursor *cursor = NULL;
1678
1679 if (symbol_conf.use_callchain && sample->callchain &&
1680 thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1681 sample, NULL, NULL, scripting_max_stack) == 0)
1682 cursor = &callchain_cursor;
1683
1684 fputc(cursor ? '\n' : ' ', fp);
1685 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, fp);
1686 }
1687
1688 if (PRINT_FIELD(IREGS))
1689 perf_sample__fprintf_iregs(sample, attr, fp);
1690
1691 if (PRINT_FIELD(UREGS))
1692 perf_sample__fprintf_uregs(sample, attr, fp);
1693
1694 if (PRINT_FIELD(BRSTACK))
1695 perf_sample__fprintf_brstack(sample, thread, attr, fp);
1696 else if (PRINT_FIELD(BRSTACKSYM))
1697 perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
1698 else if (PRINT_FIELD(BRSTACKOFF))
1699 perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
1700
1701 if (perf_evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
1702 perf_sample__fprintf_bpf_output(sample, fp);
1703 perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1704
1705 if (PRINT_FIELD(PHYS_ADDR))
1706 fprintf(fp, "%16" PRIx64, sample->phys_addr);
1707 fprintf(fp, "\n");
1708
1709 if (PRINT_FIELD(METRIC))
1710 perf_sample__fprint_metric(script, thread, evsel, sample, fp);
1711}
1712
1713static struct scripting_ops *scripting_ops;
1714
1715static void __process_stat(struct perf_evsel *counter, u64 tstamp)
1716{
1717 int nthreads = thread_map__nr(counter->threads);
1718 int ncpus = perf_evsel__nr_cpus(counter);
1719 int cpu, thread;
1720 static int header_printed;
1721
1722 if (counter->system_wide)
1723 nthreads = 1;
1724
1725 if (!header_printed) {
1726 printf("%3s %8s %15s %15s %15s %15s %s\n",
1727 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
1728 header_printed = 1;
1729 }
1730
1731 for (thread = 0; thread < nthreads; thread++) {
1732 for (cpu = 0; cpu < ncpus; cpu++) {
1733 struct perf_counts_values *counts;
1734
1735 counts = perf_counts(counter->counts, cpu, thread);
1736
1737 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
1738 counter->cpus->map[cpu],
1739 thread_map__pid(counter->threads, thread),
1740 counts->val,
1741 counts->ena,
1742 counts->run,
1743 tstamp,
1744 perf_evsel__name(counter));
1745 }
1746 }
1747}
1748
1749static void process_stat(struct perf_evsel *counter, u64 tstamp)
1750{
1751 if (scripting_ops && scripting_ops->process_stat)
1752 scripting_ops->process_stat(&stat_config, counter, tstamp);
1753 else
1754 __process_stat(counter, tstamp);
1755}
1756
1757static void process_stat_interval(u64 tstamp)
1758{
1759 if (scripting_ops && scripting_ops->process_stat_interval)
1760 scripting_ops->process_stat_interval(tstamp);
1761}
1762
1763static void setup_scripting(void)
1764{
1765 setup_perl_scripting();
1766 setup_python_scripting();
1767}
1768
1769static int flush_scripting(void)
1770{
1771 return scripting_ops ? scripting_ops->flush_script() : 0;
1772}
1773
1774static int cleanup_scripting(void)
1775{
1776 pr_debug("\nperf script stopped\n");
1777
1778 return scripting_ops ? scripting_ops->stop_script() : 0;
1779}
1780
1781static int process_sample_event(struct perf_tool *tool,
1782 union perf_event *event,
1783 struct perf_sample *sample,
1784 struct perf_evsel *evsel,
1785 struct machine *machine)
1786{
1787 struct perf_script *scr = container_of(tool, struct perf_script, tool);
1788 struct addr_location al;
1789
1790 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
1791 sample->time)) {
1792 return 0;
1793 }
1794
1795 if (debug_mode) {
1796 if (sample->time < last_timestamp) {
1797 pr_err("Samples misordered, previous: %" PRIu64
1798 " this: %" PRIu64 "\n", last_timestamp,
1799 sample->time);
1800 nr_unordered++;
1801 }
1802 last_timestamp = sample->time;
1803 return 0;
1804 }
1805
1806 if (machine__resolve(machine, &al, sample) < 0) {
1807 pr_err("problem processing %d event, skipping it.\n",
1808 event->header.type);
1809 return -1;
1810 }
1811
1812 if (al.filtered)
1813 goto out_put;
1814
1815 if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
1816 goto out_put;
1817
1818 if (scripting_ops)
1819 scripting_ops->process_event(event, sample, evsel, &al);
1820 else
1821 process_event(scr, sample, evsel, &al, machine);
1822
1823out_put:
1824 addr_location__put(&al);
1825 return 0;
1826}
1827
1828static int process_attr(struct perf_tool *tool, union perf_event *event,
1829 struct perf_evlist **pevlist)
1830{
1831 struct perf_script *scr = container_of(tool, struct perf_script, tool);
1832 struct perf_evlist *evlist;
1833 struct perf_evsel *evsel, *pos;
1834 int err;
1835
1836 err = perf_event__process_attr(tool, event, pevlist);
1837 if (err)
1838 return err;
1839
1840 evlist = *pevlist;
1841 evsel = perf_evlist__last(*pevlist);
1842
1843 if (evsel->attr.type >= PERF_TYPE_MAX &&
1844 evsel->attr.type != PERF_TYPE_SYNTH)
1845 return 0;
1846
1847 evlist__for_each_entry(evlist, pos) {
1848 if (pos->attr.type == evsel->attr.type && pos != evsel)
1849 return 0;
1850 }
1851
1852 set_print_ip_opts(&evsel->attr);
1853
1854 if (evsel->attr.sample_type)
1855 err = perf_evsel__check_attr(evsel, scr->session);
1856
1857 return err;
1858}
1859
1860static int process_comm_event(struct perf_tool *tool,
1861 union perf_event *event,
1862 struct perf_sample *sample,
1863 struct machine *machine)
1864{
1865 struct thread *thread;
1866 struct perf_script *script = container_of(tool, struct perf_script, tool);
1867 struct perf_session *session = script->session;
1868 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1869 int ret = -1;
1870
1871 thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid);
1872 if (thread == NULL) {
1873 pr_debug("problem processing COMM event, skipping it.\n");
1874 return -1;
1875 }
1876
1877 if (perf_event__process_comm(tool, event, sample, machine) < 0)
1878 goto out;
1879
1880 if (!evsel->attr.sample_id_all) {
1881 sample->cpu = 0;
1882 sample->time = 0;
1883 sample->tid = event->comm.tid;
1884 sample->pid = event->comm.pid;
1885 }
1886 perf_sample__fprintf_start(sample, thread, evsel,
1887 PERF_RECORD_COMM, stdout);
1888 perf_event__fprintf(event, stdout);
1889 ret = 0;
1890out:
1891 thread__put(thread);
1892 return ret;
1893}
1894
1895static int process_namespaces_event(struct perf_tool *tool,
1896 union perf_event *event,
1897 struct perf_sample *sample,
1898 struct machine *machine)
1899{
1900 struct thread *thread;
1901 struct perf_script *script = container_of(tool, struct perf_script, tool);
1902 struct perf_session *session = script->session;
1903 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1904 int ret = -1;
1905
1906 thread = machine__findnew_thread(machine, event->namespaces.pid,
1907 event->namespaces.tid);
1908 if (thread == NULL) {
1909 pr_debug("problem processing NAMESPACES event, skipping it.\n");
1910 return -1;
1911 }
1912
1913 if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
1914 goto out;
1915
1916 if (!evsel->attr.sample_id_all) {
1917 sample->cpu = 0;
1918 sample->time = 0;
1919 sample->tid = event->namespaces.tid;
1920 sample->pid = event->namespaces.pid;
1921 }
1922 perf_sample__fprintf_start(sample, thread, evsel,
1923 PERF_RECORD_NAMESPACES, stdout);
1924 perf_event__fprintf(event, stdout);
1925 ret = 0;
1926out:
1927 thread__put(thread);
1928 return ret;
1929}
1930
1931static int process_fork_event(struct perf_tool *tool,
1932 union perf_event *event,
1933 struct perf_sample *sample,
1934 struct machine *machine)
1935{
1936 struct thread *thread;
1937 struct perf_script *script = container_of(tool, struct perf_script, tool);
1938 struct perf_session *session = script->session;
1939 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1940
1941 if (perf_event__process_fork(tool, event, sample, machine) < 0)
1942 return -1;
1943
1944 thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
1945 if (thread == NULL) {
1946 pr_debug("problem processing FORK event, skipping it.\n");
1947 return -1;
1948 }
1949
1950 if (!evsel->attr.sample_id_all) {
1951 sample->cpu = 0;
1952 sample->time = event->fork.time;
1953 sample->tid = event->fork.tid;
1954 sample->pid = event->fork.pid;
1955 }
1956 perf_sample__fprintf_start(sample, thread, evsel,
1957 PERF_RECORD_FORK, stdout);
1958 perf_event__fprintf(event, stdout);
1959 thread__put(thread);
1960
1961 return 0;
1962}
1963static int process_exit_event(struct perf_tool *tool,
1964 union perf_event *event,
1965 struct perf_sample *sample,
1966 struct machine *machine)
1967{
1968 int err = 0;
1969 struct thread *thread;
1970 struct perf_script *script = container_of(tool, struct perf_script, tool);
1971 struct perf_session *session = script->session;
1972 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1973
1974 thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
1975 if (thread == NULL) {
1976 pr_debug("problem processing EXIT event, skipping it.\n");
1977 return -1;
1978 }
1979
1980 if (!evsel->attr.sample_id_all) {
1981 sample->cpu = 0;
1982 sample->time = 0;
1983 sample->tid = event->fork.tid;
1984 sample->pid = event->fork.pid;
1985 }
1986 perf_sample__fprintf_start(sample, thread, evsel,
1987 PERF_RECORD_EXIT, stdout);
1988 perf_event__fprintf(event, stdout);
1989
1990 if (perf_event__process_exit(tool, event, sample, machine) < 0)
1991 err = -1;
1992
1993 thread__put(thread);
1994 return err;
1995}
1996
1997static int process_mmap_event(struct perf_tool *tool,
1998 union perf_event *event,
1999 struct perf_sample *sample,
2000 struct machine *machine)
2001{
2002 struct thread *thread;
2003 struct perf_script *script = container_of(tool, struct perf_script, tool);
2004 struct perf_session *session = script->session;
2005 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2006
2007 if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2008 return -1;
2009
2010 thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid);
2011 if (thread == NULL) {
2012 pr_debug("problem processing MMAP event, skipping it.\n");
2013 return -1;
2014 }
2015
2016 if (!evsel->attr.sample_id_all) {
2017 sample->cpu = 0;
2018 sample->time = 0;
2019 sample->tid = event->mmap.tid;
2020 sample->pid = event->mmap.pid;
2021 }
2022 perf_sample__fprintf_start(sample, thread, evsel,
2023 PERF_RECORD_MMAP, stdout);
2024 perf_event__fprintf(event, stdout);
2025 thread__put(thread);
2026 return 0;
2027}
2028
2029static int process_mmap2_event(struct perf_tool *tool,
2030 union perf_event *event,
2031 struct perf_sample *sample,
2032 struct machine *machine)
2033{
2034 struct thread *thread;
2035 struct perf_script *script = container_of(tool, struct perf_script, tool);
2036 struct perf_session *session = script->session;
2037 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2038
2039 if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2040 return -1;
2041
2042 thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid);
2043 if (thread == NULL) {
2044 pr_debug("problem processing MMAP2 event, skipping it.\n");
2045 return -1;
2046 }
2047
2048 if (!evsel->attr.sample_id_all) {
2049 sample->cpu = 0;
2050 sample->time = 0;
2051 sample->tid = event->mmap2.tid;
2052 sample->pid = event->mmap2.pid;
2053 }
2054 perf_sample__fprintf_start(sample, thread, evsel,
2055 PERF_RECORD_MMAP2, stdout);
2056 perf_event__fprintf(event, stdout);
2057 thread__put(thread);
2058 return 0;
2059}
2060
2061static int process_switch_event(struct perf_tool *tool,
2062 union perf_event *event,
2063 struct perf_sample *sample,
2064 struct machine *machine)
2065{
2066 struct thread *thread;
2067 struct perf_script *script = container_of(tool, struct perf_script, tool);
2068 struct perf_session *session = script->session;
2069 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2070
2071 if (perf_event__process_switch(tool, event, sample, machine) < 0)
2072 return -1;
2073
2074 thread = machine__findnew_thread(machine, sample->pid,
2075 sample->tid);
2076 if (thread == NULL) {
2077 pr_debug("problem processing SWITCH event, skipping it.\n");
2078 return -1;
2079 }
2080
2081 perf_sample__fprintf_start(sample, thread, evsel,
2082 PERF_RECORD_SWITCH, stdout);
2083 perf_event__fprintf(event, stdout);
2084 thread__put(thread);
2085 return 0;
2086}
2087
2088static int
2089process_lost_event(struct perf_tool *tool,
2090 union perf_event *event,
2091 struct perf_sample *sample,
2092 struct machine *machine)
2093{
2094 struct perf_script *script = container_of(tool, struct perf_script, tool);
2095 struct perf_session *session = script->session;
2096 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2097 struct thread *thread;
2098
2099 thread = machine__findnew_thread(machine, sample->pid,
2100 sample->tid);
2101 if (thread == NULL)
2102 return -1;
2103
2104 perf_sample__fprintf_start(sample, thread, evsel,
2105 PERF_RECORD_LOST, stdout);
2106 perf_event__fprintf(event, stdout);
2107 thread__put(thread);
2108 return 0;
2109}
2110
2111static int
2112process_finished_round_event(struct perf_tool *tool __maybe_unused,
2113 union perf_event *event,
2114 struct ordered_events *oe __maybe_unused)
2115
2116{
2117 perf_event__fprintf(event, stdout);
2118 return 0;
2119}
2120
2121static void sig_handler(int sig __maybe_unused)
2122{
2123 session_done = 1;
2124}
2125
2126static void perf_script__fclose_per_event_dump(struct perf_script *script)
2127{
2128 struct perf_evlist *evlist = script->session->evlist;
2129 struct perf_evsel *evsel;
2130
2131 evlist__for_each_entry(evlist, evsel) {
2132 if (!evsel->priv)
2133 break;
2134 perf_evsel_script__delete(evsel->priv);
2135 evsel->priv = NULL;
2136 }
2137}
2138
2139static int perf_script__fopen_per_event_dump(struct perf_script *script)
2140{
2141 struct perf_evsel *evsel;
2142
2143 evlist__for_each_entry(script->session->evlist, evsel) {
2144 /*
2145 * Already setup? I.e. we may be called twice in cases like
2146 * Intel PT, one for the intel_pt// and dummy events, then
2147 * for the evsels syntheized from the auxtrace info.
2148 *
2149 * Ses perf_script__process_auxtrace_info.
2150 */
2151 if (evsel->priv != NULL)
2152 continue;
2153
2154 evsel->priv = perf_evsel_script__new(evsel, script->session->data);
2155 if (evsel->priv == NULL)
2156 goto out_err_fclose;
2157 }
2158
2159 return 0;
2160
2161out_err_fclose:
2162 perf_script__fclose_per_event_dump(script);
2163 return -1;
2164}
2165
2166static int perf_script__setup_per_event_dump(struct perf_script *script)
2167{
2168 struct perf_evsel *evsel;
2169 static struct perf_evsel_script es_stdout;
2170
2171 if (script->per_event_dump)
2172 return perf_script__fopen_per_event_dump(script);
2173
2174 es_stdout.fp = stdout;
2175
2176 evlist__for_each_entry(script->session->evlist, evsel)
2177 evsel->priv = &es_stdout;
2178
2179 return 0;
2180}
2181
2182static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2183{
2184 struct perf_evsel *evsel;
2185
2186 evlist__for_each_entry(script->session->evlist, evsel) {
2187 struct perf_evsel_script *es = evsel->priv;
2188
2189 perf_evsel_script__fprintf(es, stdout);
2190 perf_evsel_script__delete(es);
2191 evsel->priv = NULL;
2192 }
2193}
2194
2195static int __cmd_script(struct perf_script *script)
2196{
2197 int ret;
2198
2199 signal(SIGINT, sig_handler);
2200
2201 /* override event processing functions */
2202 if (script->show_task_events) {
2203 script->tool.comm = process_comm_event;
2204 script->tool.fork = process_fork_event;
2205 script->tool.exit = process_exit_event;
2206 }
2207 if (script->show_mmap_events) {
2208 script->tool.mmap = process_mmap_event;
2209 script->tool.mmap2 = process_mmap2_event;
2210 }
2211 if (script->show_switch_events)
2212 script->tool.context_switch = process_switch_event;
2213 if (script->show_namespace_events)
2214 script->tool.namespaces = process_namespaces_event;
2215 if (script->show_lost_events)
2216 script->tool.lost = process_lost_event;
2217 if (script->show_round_events) {
2218 script->tool.ordered_events = false;
2219 script->tool.finished_round = process_finished_round_event;
2220 }
2221
2222 if (perf_script__setup_per_event_dump(script)) {
2223 pr_err("Couldn't create the per event dump files\n");
2224 return -1;
2225 }
2226
2227 ret = perf_session__process_events(script->session);
2228
2229 if (script->per_event_dump)
2230 perf_script__exit_per_event_dump_stats(script);
2231
2232 if (debug_mode)
2233 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2234
2235 return ret;
2236}
2237
2238struct script_spec {
2239 struct list_head node;
2240 struct scripting_ops *ops;
2241 char spec[0];
2242};
2243
2244static LIST_HEAD(script_specs);
2245
2246static struct script_spec *script_spec__new(const char *spec,
2247 struct scripting_ops *ops)
2248{
2249 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2250
2251 if (s != NULL) {
2252 strcpy(s->spec, spec);
2253 s->ops = ops;
2254 }
2255
2256 return s;
2257}
2258
2259static void script_spec__add(struct script_spec *s)
2260{
2261 list_add_tail(&s->node, &script_specs);
2262}
2263
2264static struct script_spec *script_spec__find(const char *spec)
2265{
2266 struct script_spec *s;
2267
2268 list_for_each_entry(s, &script_specs, node)
2269 if (strcasecmp(s->spec, spec) == 0)
2270 return s;
2271 return NULL;
2272}
2273
2274int script_spec_register(const char *spec, struct scripting_ops *ops)
2275{
2276 struct script_spec *s;
2277
2278 s = script_spec__find(spec);
2279 if (s)
2280 return -1;
2281
2282 s = script_spec__new(spec, ops);
2283 if (!s)
2284 return -1;
2285 else
2286 script_spec__add(s);
2287
2288 return 0;
2289}
2290
2291static struct scripting_ops *script_spec__lookup(const char *spec)
2292{
2293 struct script_spec *s = script_spec__find(spec);
2294 if (!s)
2295 return NULL;
2296
2297 return s->ops;
2298}
2299
2300static void list_available_languages(void)
2301{
2302 struct script_spec *s;
2303
2304 fprintf(stderr, "\n");
2305 fprintf(stderr, "Scripting language extensions (used in "
2306 "perf script -s [spec:]script.[spec]):\n\n");
2307
2308 list_for_each_entry(s, &script_specs, node)
2309 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name);
2310
2311 fprintf(stderr, "\n");
2312}
2313
2314static int parse_scriptname(const struct option *opt __maybe_unused,
2315 const char *str, int unset __maybe_unused)
2316{
2317 char spec[PATH_MAX];
2318 const char *script, *ext;
2319 int len;
2320
2321 if (strcmp(str, "lang") == 0) {
2322 list_available_languages();
2323 exit(0);
2324 }
2325
2326 script = strchr(str, ':');
2327 if (script) {
2328 len = script - str;
2329 if (len >= PATH_MAX) {
2330 fprintf(stderr, "invalid language specifier");
2331 return -1;
2332 }
2333 strncpy(spec, str, len);
2334 spec[len] = '\0';
2335 scripting_ops = script_spec__lookup(spec);
2336 if (!scripting_ops) {
2337 fprintf(stderr, "invalid language specifier");
2338 return -1;
2339 }
2340 script++;
2341 } else {
2342 script = str;
2343 ext = strrchr(script, '.');
2344 if (!ext) {
2345 fprintf(stderr, "invalid script extension");
2346 return -1;
2347 }
2348 scripting_ops = script_spec__lookup(++ext);
2349 if (!scripting_ops) {
2350 fprintf(stderr, "invalid script extension");
2351 return -1;
2352 }
2353 }
2354
2355 script_name = strdup(script);
2356
2357 return 0;
2358}
2359
2360static int parse_output_fields(const struct option *opt __maybe_unused,
2361 const char *arg, int unset __maybe_unused)
2362{
2363 char *tok, *strtok_saveptr = NULL;
2364 int i, imax = ARRAY_SIZE(all_output_options);
2365 int j;
2366 int rc = 0;
2367 char *str = strdup(arg);
2368 int type = -1;
2369 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
2370
2371 if (!str)
2372 return -ENOMEM;
2373
2374 /* first word can state for which event type the user is specifying
2375 * the fields. If no type exists, the specified fields apply to all
2376 * event types found in the file minus the invalid fields for a type.
2377 */
2378 tok = strchr(str, ':');
2379 if (tok) {
2380 *tok = '\0';
2381 tok++;
2382 if (!strcmp(str, "hw"))
2383 type = PERF_TYPE_HARDWARE;
2384 else if (!strcmp(str, "sw"))
2385 type = PERF_TYPE_SOFTWARE;
2386 else if (!strcmp(str, "trace"))
2387 type = PERF_TYPE_TRACEPOINT;
2388 else if (!strcmp(str, "raw"))
2389 type = PERF_TYPE_RAW;
2390 else if (!strcmp(str, "break"))
2391 type = PERF_TYPE_BREAKPOINT;
2392 else if (!strcmp(str, "synth"))
2393 type = OUTPUT_TYPE_SYNTH;
2394 else {
2395 fprintf(stderr, "Invalid event type in field string.\n");
2396 rc = -EINVAL;
2397 goto out;
2398 }
2399
2400 if (output[type].user_set)
2401 pr_warning("Overriding previous field request for %s events.\n",
2402 event_type(type));
2403
2404 output[type].fields = 0;
2405 output[type].user_set = true;
2406 output[type].wildcard_set = false;
2407
2408 } else {
2409 tok = str;
2410 if (strlen(str) == 0) {
2411 fprintf(stderr,
2412 "Cannot set fields to 'none' for all event types.\n");
2413 rc = -EINVAL;
2414 goto out;
2415 }
2416
2417 /* Don't override defaults for +- */
2418 if (strchr(str, '+') || strchr(str, '-'))
2419 goto parse;
2420
2421 if (output_set_by_user())
2422 pr_warning("Overriding previous field request for all events.\n");
2423
2424 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2425 output[j].fields = 0;
2426 output[j].user_set = true;
2427 output[j].wildcard_set = true;
2428 }
2429 }
2430
2431parse:
2432 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
2433 if (*tok == '+') {
2434 if (change == SET)
2435 goto out_badmix;
2436 change = ADD;
2437 tok++;
2438 } else if (*tok == '-') {
2439 if (change == SET)
2440 goto out_badmix;
2441 change = REMOVE;
2442 tok++;
2443 } else {
2444 if (change != SET && change != DEFAULT)
2445 goto out_badmix;
2446 change = SET;
2447 }
2448
2449 for (i = 0; i < imax; ++i) {
2450 if (strcmp(tok, all_output_options[i].str) == 0)
2451 break;
2452 }
2453 if (i == imax && strcmp(tok, "flags") == 0) {
2454 print_flags = change == REMOVE ? false : true;
2455 continue;
2456 }
2457 if (i == imax) {
2458 fprintf(stderr, "Invalid field requested.\n");
2459 rc = -EINVAL;
2460 goto out;
2461 }
2462
2463 if (type == -1) {
2464 /* add user option to all events types for
2465 * which it is valid
2466 */
2467 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2468 if (output[j].invalid_fields & all_output_options[i].field) {
2469 pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
2470 all_output_options[i].str, event_type(j));
2471 } else {
2472 if (change == REMOVE)
2473 output[j].fields &= ~all_output_options[i].field;
2474 else
2475 output[j].fields |= all_output_options[i].field;
2476 }
2477 }
2478 } else {
2479 if (output[type].invalid_fields & all_output_options[i].field) {
2480 fprintf(stderr, "\'%s\' not valid for %s events.\n",
2481 all_output_options[i].str, event_type(type));
2482
2483 rc = -EINVAL;
2484 goto out;
2485 }
2486 output[type].fields |= all_output_options[i].field;
2487 }
2488 }
2489
2490 if (type >= 0) {
2491 if (output[type].fields == 0) {
2492 pr_debug("No fields requested for %s type. "
2493 "Events will not be displayed.\n", event_type(type));
2494 }
2495 }
2496 goto out;
2497
2498out_badmix:
2499 fprintf(stderr, "Cannot mix +-field with overridden fields\n");
2500 rc = -EINVAL;
2501out:
2502 free(str);
2503 return rc;
2504}
2505
2506#define for_each_lang(scripts_path, scripts_dir, lang_dirent) \
2507 while ((lang_dirent = readdir(scripts_dir)) != NULL) \
2508 if ((lang_dirent->d_type == DT_DIR || \
2509 (lang_dirent->d_type == DT_UNKNOWN && \
2510 is_directory(scripts_path, lang_dirent))) && \
2511 (strcmp(lang_dirent->d_name, ".")) && \
2512 (strcmp(lang_dirent->d_name, "..")))
2513
2514#define for_each_script(lang_path, lang_dir, script_dirent) \
2515 while ((script_dirent = readdir(lang_dir)) != NULL) \
2516 if (script_dirent->d_type != DT_DIR && \
2517 (script_dirent->d_type != DT_UNKNOWN || \
2518 !is_directory(lang_path, script_dirent)))
2519
2520
2521#define RECORD_SUFFIX "-record"
2522#define REPORT_SUFFIX "-report"
2523
2524struct script_desc {
2525 struct list_head node;
2526 char *name;
2527 char *half_liner;
2528 char *args;
2529};
2530
2531static LIST_HEAD(script_descs);
2532
2533static struct script_desc *script_desc__new(const char *name)
2534{
2535 struct script_desc *s = zalloc(sizeof(*s));
2536
2537 if (s != NULL && name)
2538 s->name = strdup(name);
2539
2540 return s;
2541}
2542
2543static void script_desc__delete(struct script_desc *s)
2544{
2545 zfree(&s->name);
2546 zfree(&s->half_liner);
2547 zfree(&s->args);
2548 free(s);
2549}
2550
2551static void script_desc__add(struct script_desc *s)
2552{
2553 list_add_tail(&s->node, &script_descs);
2554}
2555
2556static struct script_desc *script_desc__find(const char *name)
2557{
2558 struct script_desc *s;
2559
2560 list_for_each_entry(s, &script_descs, node)
2561 if (strcasecmp(s->name, name) == 0)
2562 return s;
2563 return NULL;
2564}
2565
2566static struct script_desc *script_desc__findnew(const char *name)
2567{
2568 struct script_desc *s = script_desc__find(name);
2569
2570 if (s)
2571 return s;
2572
2573 s = script_desc__new(name);
2574 if (!s)
2575 return NULL;
2576
2577 script_desc__add(s);
2578
2579 return s;
2580}
2581
2582static const char *ends_with(const char *str, const char *suffix)
2583{
2584 size_t suffix_len = strlen(suffix);
2585 const char *p = str;
2586
2587 if (strlen(str) > suffix_len) {
2588 p = str + strlen(str) - suffix_len;
2589 if (!strncmp(p, suffix, suffix_len))
2590 return p;
2591 }
2592
2593 return NULL;
2594}
2595
2596static int read_script_info(struct script_desc *desc, const char *filename)
2597{
2598 char line[BUFSIZ], *p;
2599 FILE *fp;
2600
2601 fp = fopen(filename, "r");
2602 if (!fp)
2603 return -1;
2604
2605 while (fgets(line, sizeof(line), fp)) {
2606 p = ltrim(line);
2607 if (strlen(p) == 0)
2608 continue;
2609 if (*p != '#')
2610 continue;
2611 p++;
2612 if (strlen(p) && *p == '!')
2613 continue;
2614
2615 p = ltrim(p);
2616 if (strlen(p) && p[strlen(p) - 1] == '\n')
2617 p[strlen(p) - 1] = '\0';
2618
2619 if (!strncmp(p, "description:", strlen("description:"))) {
2620 p += strlen("description:");
2621 desc->half_liner = strdup(ltrim(p));
2622 continue;
2623 }
2624
2625 if (!strncmp(p, "args:", strlen("args:"))) {
2626 p += strlen("args:");
2627 desc->args = strdup(ltrim(p));
2628 continue;
2629 }
2630 }
2631
2632 fclose(fp);
2633
2634 return 0;
2635}
2636
2637static char *get_script_root(struct dirent *script_dirent, const char *suffix)
2638{
2639 char *script_root, *str;
2640
2641 script_root = strdup(script_dirent->d_name);
2642 if (!script_root)
2643 return NULL;
2644
2645 str = (char *)ends_with(script_root, suffix);
2646 if (!str) {
2647 free(script_root);
2648 return NULL;
2649 }
2650
2651 *str = '\0';
2652 return script_root;
2653}
2654
2655static int list_available_scripts(const struct option *opt __maybe_unused,
2656 const char *s __maybe_unused,
2657 int unset __maybe_unused)
2658{
2659 struct dirent *script_dirent, *lang_dirent;
2660 char scripts_path[MAXPATHLEN];
2661 DIR *scripts_dir, *lang_dir;
2662 char script_path[MAXPATHLEN];
2663 char lang_path[MAXPATHLEN];
2664 struct script_desc *desc;
2665 char first_half[BUFSIZ];
2666 char *script_root;
2667
2668 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2669
2670 scripts_dir = opendir(scripts_path);
2671 if (!scripts_dir) {
2672 fprintf(stdout,
2673 "open(%s) failed.\n"
2674 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
2675 scripts_path);
2676 exit(-1);
2677 }
2678
2679 for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2680 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
2681 lang_dirent->d_name);
2682 lang_dir = opendir(lang_path);
2683 if (!lang_dir)
2684 continue;
2685
2686 for_each_script(lang_path, lang_dir, script_dirent) {
2687 script_root = get_script_root(script_dirent, REPORT_SUFFIX);
2688 if (script_root) {
2689 desc = script_desc__findnew(script_root);
2690 scnprintf(script_path, MAXPATHLEN, "%s/%s",
2691 lang_path, script_dirent->d_name);
2692 read_script_info(desc, script_path);
2693 free(script_root);
2694 }
2695 }
2696 }
2697
2698 fprintf(stdout, "List of available trace scripts:\n");
2699 list_for_each_entry(desc, &script_descs, node) {
2700 sprintf(first_half, "%s %s", desc->name,
2701 desc->args ? desc->args : "");
2702 fprintf(stdout, " %-36s %s\n", first_half,
2703 desc->half_liner ? desc->half_liner : "");
2704 }
2705
2706 exit(0);
2707}
2708
2709/*
2710 * Some scripts specify the required events in their "xxx-record" file,
2711 * this function will check if the events in perf.data match those
2712 * mentioned in the "xxx-record".
2713 *
2714 * Fixme: All existing "xxx-record" are all in good formats "-e event ",
2715 * which is covered well now. And new parsing code should be added to
2716 * cover the future complexing formats like event groups etc.
2717 */
2718static int check_ev_match(char *dir_name, char *scriptname,
2719 struct perf_session *session)
2720{
2721 char filename[MAXPATHLEN], evname[128];
2722 char line[BUFSIZ], *p;
2723 struct perf_evsel *pos;
2724 int match, len;
2725 FILE *fp;
2726
2727 scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
2728
2729 fp = fopen(filename, "r");
2730 if (!fp)
2731 return -1;
2732
2733 while (fgets(line, sizeof(line), fp)) {
2734 p = ltrim(line);
2735 if (*p == '#')
2736 continue;
2737
2738 while (strlen(p)) {
2739 p = strstr(p, "-e");
2740 if (!p)
2741 break;
2742
2743 p += 2;
2744 p = ltrim(p);
2745 len = strcspn(p, " \t");
2746 if (!len)
2747 break;
2748
2749 snprintf(evname, len + 1, "%s", p);
2750
2751 match = 0;
2752 evlist__for_each_entry(session->evlist, pos) {
2753 if (!strcmp(perf_evsel__name(pos), evname)) {
2754 match = 1;
2755 break;
2756 }
2757 }
2758
2759 if (!match) {
2760 fclose(fp);
2761 return -1;
2762 }
2763 }
2764 }
2765
2766 fclose(fp);
2767 return 0;
2768}
2769
2770/*
2771 * Return -1 if none is found, otherwise the actual scripts number.
2772 *
2773 * Currently the only user of this function is the script browser, which
2774 * will list all statically runnable scripts, select one, execute it and
2775 * show the output in a perf browser.
2776 */
2777int find_scripts(char **scripts_array, char **scripts_path_array)
2778{
2779 struct dirent *script_dirent, *lang_dirent;
2780 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
2781 DIR *scripts_dir, *lang_dir;
2782 struct perf_session *session;
2783 struct perf_data data = {
2784 .file = {
2785 .path = input_name,
2786 },
2787 .mode = PERF_DATA_MODE_READ,
2788 };
2789 char *temp;
2790 int i = 0;
2791
2792 session = perf_session__new(&data, false, NULL);
2793 if (!session)
2794 return -1;
2795
2796 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2797
2798 scripts_dir = opendir(scripts_path);
2799 if (!scripts_dir) {
2800 perf_session__delete(session);
2801 return -1;
2802 }
2803
2804 for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2805 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
2806 lang_dirent->d_name);
2807#ifndef HAVE_LIBPERL_SUPPORT
2808 if (strstr(lang_path, "perl"))
2809 continue;
2810#endif
2811#ifndef HAVE_LIBPYTHON_SUPPORT
2812 if (strstr(lang_path, "python"))
2813 continue;
2814#endif
2815
2816 lang_dir = opendir(lang_path);
2817 if (!lang_dir)
2818 continue;
2819
2820 for_each_script(lang_path, lang_dir, script_dirent) {
2821 /* Skip those real time scripts: xxxtop.p[yl] */
2822 if (strstr(script_dirent->d_name, "top."))
2823 continue;
2824 sprintf(scripts_path_array[i], "%s/%s", lang_path,
2825 script_dirent->d_name);
2826 temp = strchr(script_dirent->d_name, '.');
2827 snprintf(scripts_array[i],
2828 (temp - script_dirent->d_name) + 1,
2829 "%s", script_dirent->d_name);
2830
2831 if (check_ev_match(lang_path,
2832 scripts_array[i], session))
2833 continue;
2834
2835 i++;
2836 }
2837 closedir(lang_dir);
2838 }
2839
2840 closedir(scripts_dir);
2841 perf_session__delete(session);
2842 return i;
2843}
2844
2845static char *get_script_path(const char *script_root, const char *suffix)
2846{
2847 struct dirent *script_dirent, *lang_dirent;
2848 char scripts_path[MAXPATHLEN];
2849 char script_path[MAXPATHLEN];
2850 DIR *scripts_dir, *lang_dir;
2851 char lang_path[MAXPATHLEN];
2852 char *__script_root;
2853
2854 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2855
2856 scripts_dir = opendir(scripts_path);
2857 if (!scripts_dir)
2858 return NULL;
2859
2860 for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2861 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
2862 lang_dirent->d_name);
2863 lang_dir = opendir(lang_path);
2864 if (!lang_dir)
2865 continue;
2866
2867 for_each_script(lang_path, lang_dir, script_dirent) {
2868 __script_root = get_script_root(script_dirent, suffix);
2869 if (__script_root && !strcmp(script_root, __script_root)) {
2870 free(__script_root);
2871 closedir(lang_dir);
2872 closedir(scripts_dir);
2873 scnprintf(script_path, MAXPATHLEN, "%s/%s",
2874 lang_path, script_dirent->d_name);
2875 return strdup(script_path);
2876 }
2877 free(__script_root);
2878 }
2879 closedir(lang_dir);
2880 }
2881 closedir(scripts_dir);
2882
2883 return NULL;
2884}
2885
2886static bool is_top_script(const char *script_path)
2887{
2888 return ends_with(script_path, "top") == NULL ? false : true;
2889}
2890
2891static int has_required_arg(char *script_path)
2892{
2893 struct script_desc *desc;
2894 int n_args = 0;
2895 char *p;
2896
2897 desc = script_desc__new(NULL);
2898
2899 if (read_script_info(desc, script_path))
2900 goto out;
2901
2902 if (!desc->args)
2903 goto out;
2904
2905 for (p = desc->args; *p; p++)
2906 if (*p == '<')
2907 n_args++;
2908out:
2909 script_desc__delete(desc);
2910
2911 return n_args;
2912}
2913
2914static int have_cmd(int argc, const char **argv)
2915{
2916 char **__argv = malloc(sizeof(const char *) * argc);
2917
2918 if (!__argv) {
2919 pr_err("malloc failed\n");
2920 return -1;
2921 }
2922
2923 memcpy(__argv, argv, sizeof(const char *) * argc);
2924 argc = parse_options(argc, (const char **)__argv, record_options,
2925 NULL, PARSE_OPT_STOP_AT_NON_OPTION);
2926 free(__argv);
2927
2928 system_wide = (argc == 0);
2929
2930 return 0;
2931}
2932
2933static void script__setup_sample_type(struct perf_script *script)
2934{
2935 struct perf_session *session = script->session;
2936 u64 sample_type = perf_evlist__combined_sample_type(session->evlist);
2937
2938 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
2939 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
2940 (sample_type & PERF_SAMPLE_STACK_USER)) {
2941 callchain_param.record_mode = CALLCHAIN_DWARF;
2942 dwarf_callchain_users = true;
2943 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
2944 callchain_param.record_mode = CALLCHAIN_LBR;
2945 else
2946 callchain_param.record_mode = CALLCHAIN_FP;
2947 }
2948}
2949
2950static int process_stat_round_event(struct perf_tool *tool __maybe_unused,
2951 union perf_event *event,
2952 struct perf_session *session)
2953{
2954 struct stat_round_event *round = &event->stat_round;
2955 struct perf_evsel *counter;
2956
2957 evlist__for_each_entry(session->evlist, counter) {
2958 perf_stat_process_counter(&stat_config, counter);
2959 process_stat(counter, round->time);
2960 }
2961
2962 process_stat_interval(round->time);
2963 return 0;
2964}
2965
2966static int process_stat_config_event(struct perf_tool *tool __maybe_unused,
2967 union perf_event *event,
2968 struct perf_session *session __maybe_unused)
2969{
2970 perf_event__read_stat_config(&stat_config, &event->stat_config);
2971 return 0;
2972}
2973
2974static int set_maps(struct perf_script *script)
2975{
2976 struct perf_evlist *evlist = script->session->evlist;
2977
2978 if (!script->cpus || !script->threads)
2979 return 0;
2980
2981 if (WARN_ONCE(script->allocated, "stats double allocation\n"))
2982 return -EINVAL;
2983
2984 perf_evlist__set_maps(evlist, script->cpus, script->threads);
2985
2986 if (perf_evlist__alloc_stats(evlist, true))
2987 return -ENOMEM;
2988
2989 script->allocated = true;
2990 return 0;
2991}
2992
2993static
2994int process_thread_map_event(struct perf_tool *tool,
2995 union perf_event *event,
2996 struct perf_session *session __maybe_unused)
2997{
2998 struct perf_script *script = container_of(tool, struct perf_script, tool);
2999
3000 if (script->threads) {
3001 pr_warning("Extra thread map event, ignoring.\n");
3002 return 0;
3003 }
3004
3005 script->threads = thread_map__new_event(&event->thread_map);
3006 if (!script->threads)
3007 return -ENOMEM;
3008
3009 return set_maps(script);
3010}
3011
3012static
3013int process_cpu_map_event(struct perf_tool *tool __maybe_unused,
3014 union perf_event *event,
3015 struct perf_session *session __maybe_unused)
3016{
3017 struct perf_script *script = container_of(tool, struct perf_script, tool);
3018
3019 if (script->cpus) {
3020 pr_warning("Extra cpu map event, ignoring.\n");
3021 return 0;
3022 }
3023
3024 script->cpus = cpu_map__new_data(&event->cpu_map.data);
3025 if (!script->cpus)
3026 return -ENOMEM;
3027
3028 return set_maps(script);
3029}
3030
3031#ifdef HAVE_AUXTRACE_SUPPORT
3032static int perf_script__process_auxtrace_info(struct perf_tool *tool,
3033 union perf_event *event,
3034 struct perf_session *session)
3035{
3036 int ret = perf_event__process_auxtrace_info(tool, event, session);
3037
3038 if (ret == 0) {
3039 struct perf_script *script = container_of(tool, struct perf_script, tool);
3040
3041 ret = perf_script__setup_per_event_dump(script);
3042 }
3043
3044 return ret;
3045}
3046#else
3047#define perf_script__process_auxtrace_info 0
3048#endif
3049
3050int cmd_script(int argc, const char **argv)
3051{
3052 bool show_full_info = false;
3053 bool header = false;
3054 bool header_only = false;
3055 bool script_started = false;
3056 char *rec_script_path = NULL;
3057 char *rep_script_path = NULL;
3058 struct perf_session *session;
3059 struct itrace_synth_opts itrace_synth_opts = { .set = false, };
3060 char *script_path = NULL;
3061 const char **__argv;
3062 int i, j, err = 0;
3063 struct perf_script script = {
3064 .tool = {
3065 .sample = process_sample_event,
3066 .mmap = perf_event__process_mmap,
3067 .mmap2 = perf_event__process_mmap2,
3068 .comm = perf_event__process_comm,
3069 .namespaces = perf_event__process_namespaces,
3070 .exit = perf_event__process_exit,
3071 .fork = perf_event__process_fork,
3072 .attr = process_attr,
3073 .event_update = perf_event__process_event_update,
3074 .tracing_data = perf_event__process_tracing_data,
3075 .feature = perf_event__process_feature,
3076 .build_id = perf_event__process_build_id,
3077 .id_index = perf_event__process_id_index,
3078 .auxtrace_info = perf_script__process_auxtrace_info,
3079 .auxtrace = perf_event__process_auxtrace,
3080 .auxtrace_error = perf_event__process_auxtrace_error,
3081 .stat = perf_event__process_stat_event,
3082 .stat_round = process_stat_round_event,
3083 .stat_config = process_stat_config_event,
3084 .thread_map = process_thread_map_event,
3085 .cpu_map = process_cpu_map_event,
3086 .ordered_events = true,
3087 .ordering_requires_timestamps = true,
3088 },
3089 };
3090 struct perf_data data = {
3091 .mode = PERF_DATA_MODE_READ,
3092 };
3093 const struct option options[] = {
3094 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3095 "dump raw trace in ASCII"),
3096 OPT_INCR('v', "verbose", &verbose,
3097 "be more verbose (show symbol address, etc)"),
3098 OPT_BOOLEAN('L', "Latency", &latency_format,
3099 "show latency attributes (irqs/preemption disabled, etc)"),
3100 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3101 list_available_scripts),
3102 OPT_CALLBACK('s', "script", NULL, "name",
3103 "script file name (lang:script name, script name, or *)",
3104 parse_scriptname),
3105 OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3106 "generate perf-script.xx script in specified language"),
3107 OPT_STRING('i', "input", &input_name, "file", "input file name"),
3108 OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3109 "do various checks like samples ordering and lost events"),
3110 OPT_BOOLEAN(0, "header", &header, "Show data header."),
3111 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3112 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3113 "file", "vmlinux pathname"),
3114 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3115 "file", "kallsyms pathname"),
3116 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3117 "When printing symbols do not display call chain"),
3118 OPT_CALLBACK(0, "symfs", NULL, "directory",
3119 "Look for files with symbols relative to this directory",
3120 symbol__config_symfs),
3121 OPT_CALLBACK('F', "fields", NULL, "str",
3122 "comma separated output fields prepend with 'type:'. "
3123 "+field to add and -field to remove."
3124 "Valid types: hw,sw,trace,raw,synth. "
3125 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
3126 "addr,symoff,period,iregs,uregs,brstack,brstacksym,flags,"
3127 "bpf-output,callindent,insn,insnlen,brstackinsn,synth,phys_addr",
3128 parse_output_fields),
3129 OPT_BOOLEAN('a', "all-cpus", &system_wide,
3130 "system-wide collection from all CPUs"),
3131 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3132 "only consider these symbols"),
3133 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3134 "Stop display of callgraph at these symbols"),
3135 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3136 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3137 "only display events for these comms"),
3138 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3139 "only consider symbols in these pids"),
3140 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3141 "only consider symbols in these tids"),
3142 OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3143 "Set the maximum stack depth when parsing the callchain, "
3144 "anything beyond the specified depth will be ignored. "
3145 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3146 OPT_BOOLEAN('I', "show-info", &show_full_info,
3147 "display extended information from perf.data file"),
3148 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3149 "Show the path of [kernel.kallsyms]"),
3150 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3151 "Show the fork/comm/exit events"),
3152 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3153 "Show the mmap events"),
3154 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3155 "Show context switch events (if recorded)"),
3156 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3157 "Show namespace events (if recorded)"),
3158 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3159 "Show lost events (if recorded)"),
3160 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3161 "Show round events (if recorded)"),
3162 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
3163 "Dump trace output to files named by the monitored events"),
3164 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3165 OPT_INTEGER(0, "max-blocks", &max_blocks,
3166 "Maximum number of code blocks to dump with brstackinsn"),
3167 OPT_BOOLEAN(0, "ns", &nanosecs,
3168 "Use 9 decimal places when displaying time"),
3169 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
3170 "Instruction Tracing options",
3171 itrace_parse_synth_opts),
3172 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
3173 "Show full source file name path for source lines"),
3174 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
3175 "Enable symbol demangling"),
3176 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
3177 "Enable kernel symbol demangling"),
3178 OPT_STRING(0, "time", &script.time_str, "str",
3179 "Time span of interest (start,stop)"),
3180 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
3181 "Show inline function"),
3182 OPT_END()
3183 };
3184 const char * const script_subcommands[] = { "record", "report", NULL };
3185 const char *script_usage[] = {
3186 "perf script [<options>]",
3187 "perf script [<options>] record <script> [<record-options>] <command>",
3188 "perf script [<options>] report <script> [script-args]",
3189 "perf script [<options>] <script> [<record-options>] <command>",
3190 "perf script [<options>] <top-script> [script-args]",
3191 NULL
3192 };
3193
3194 perf_set_singlethreaded();
3195
3196 setup_scripting();
3197
3198 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3199 PARSE_OPT_STOP_AT_NON_OPTION);
3200
3201 data.file.path = input_name;
3202 data.force = symbol_conf.force;
3203
3204 if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
3205 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
3206 if (!rec_script_path)
3207 return cmd_record(argc, argv);
3208 }
3209
3210 if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
3211 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
3212 if (!rep_script_path) {
3213 fprintf(stderr,
3214 "Please specify a valid report script"
3215 "(see 'perf script -l' for listing)\n");
3216 return -1;
3217 }
3218 }
3219
3220 if (itrace_synth_opts.callchain &&
3221 itrace_synth_opts.callchain_sz > scripting_max_stack)
3222 scripting_max_stack = itrace_synth_opts.callchain_sz;
3223
3224 /* make sure PERF_EXEC_PATH is set for scripts */
3225 set_argv_exec_path(get_argv_exec_path());
3226
3227 if (argc && !script_name && !rec_script_path && !rep_script_path) {
3228 int live_pipe[2];
3229 int rep_args;
3230 pid_t pid;
3231
3232 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
3233 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
3234
3235 if (!rec_script_path && !rep_script_path) {
3236 usage_with_options_msg(script_usage, options,
3237 "Couldn't find script `%s'\n\n See perf"
3238 " script -l for available scripts.\n", argv[0]);
3239 }
3240
3241 if (is_top_script(argv[0])) {
3242 rep_args = argc - 1;
3243 } else {
3244 int rec_args;
3245
3246 rep_args = has_required_arg(rep_script_path);
3247 rec_args = (argc - 1) - rep_args;
3248 if (rec_args < 0) {
3249 usage_with_options_msg(script_usage, options,
3250 "`%s' script requires options."
3251 "\n\n See perf script -l for available "
3252 "scripts and options.\n", argv[0]);
3253 }
3254 }
3255
3256 if (pipe(live_pipe) < 0) {
3257 perror("failed to create pipe");
3258 return -1;
3259 }
3260
3261 pid = fork();
3262 if (pid < 0) {
3263 perror("failed to fork");
3264 return -1;
3265 }
3266
3267 if (!pid) {
3268 j = 0;
3269
3270 dup2(live_pipe[1], 1);
3271 close(live_pipe[0]);
3272
3273 if (is_top_script(argv[0])) {
3274 system_wide = true;
3275 } else if (!system_wide) {
3276 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
3277 err = -1;
3278 goto out;
3279 }
3280 }
3281
3282 __argv = malloc((argc + 6) * sizeof(const char *));
3283 if (!__argv) {
3284 pr_err("malloc failed\n");
3285 err = -ENOMEM;
3286 goto out;
3287 }
3288
3289 __argv[j++] = "/bin/sh";
3290 __argv[j++] = rec_script_path;
3291 if (system_wide)
3292 __argv[j++] = "-a";
3293 __argv[j++] = "-q";
3294 __argv[j++] = "-o";
3295 __argv[j++] = "-";
3296 for (i = rep_args + 1; i < argc; i++)
3297 __argv[j++] = argv[i];
3298 __argv[j++] = NULL;
3299
3300 execvp("/bin/sh", (char **)__argv);
3301 free(__argv);
3302 exit(-1);
3303 }
3304
3305 dup2(live_pipe[0], 0);
3306 close(live_pipe[1]);
3307
3308 __argv = malloc((argc + 4) * sizeof(const char *));
3309 if (!__argv) {
3310 pr_err("malloc failed\n");
3311 err = -ENOMEM;
3312 goto out;
3313 }
3314
3315 j = 0;
3316 __argv[j++] = "/bin/sh";
3317 __argv[j++] = rep_script_path;
3318 for (i = 1; i < rep_args + 1; i++)
3319 __argv[j++] = argv[i];
3320 __argv[j++] = "-i";
3321 __argv[j++] = "-";
3322 __argv[j++] = NULL;
3323
3324 execvp("/bin/sh", (char **)__argv);
3325 free(__argv);
3326 exit(-1);
3327 }
3328
3329 if (rec_script_path)
3330 script_path = rec_script_path;
3331 if (rep_script_path)
3332 script_path = rep_script_path;
3333
3334 if (script_path) {
3335 j = 0;
3336
3337 if (!rec_script_path)
3338 system_wide = false;
3339 else if (!system_wide) {
3340 if (have_cmd(argc - 1, &argv[1]) != 0) {
3341 err = -1;
3342 goto out;
3343 }
3344 }
3345
3346 __argv = malloc((argc + 2) * sizeof(const char *));
3347 if (!__argv) {
3348 pr_err("malloc failed\n");
3349 err = -ENOMEM;
3350 goto out;
3351 }
3352
3353 __argv[j++] = "/bin/sh";
3354 __argv[j++] = script_path;
3355 if (system_wide)
3356 __argv[j++] = "-a";
3357 for (i = 2; i < argc; i++)
3358 __argv[j++] = argv[i];
3359 __argv[j++] = NULL;
3360
3361 execvp("/bin/sh", (char **)__argv);
3362 free(__argv);
3363 exit(-1);
3364 }
3365
3366 if (!script_name)
3367 setup_pager();
3368
3369 session = perf_session__new(&data, false, &script.tool);
3370 if (session == NULL)
3371 return -1;
3372
3373 if (header || header_only) {
3374 script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
3375 perf_session__fprintf_info(session, stdout, show_full_info);
3376 if (header_only)
3377 goto out_delete;
3378 }
3379 if (show_full_info)
3380 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
3381
3382 if (symbol__init(&session->header.env) < 0)
3383 goto out_delete;
3384
3385 script.session = session;
3386 script__setup_sample_type(&script);
3387
3388 if (output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT)
3389 itrace_synth_opts.thread_stack = true;
3390
3391 session->itrace_synth_opts = &itrace_synth_opts;
3392
3393 if (cpu_list) {
3394 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
3395 if (err < 0)
3396 goto out_delete;
3397 itrace_synth_opts.cpu_bitmap = cpu_bitmap;
3398 }
3399
3400 if (!no_callchain)
3401 symbol_conf.use_callchain = true;
3402 else
3403 symbol_conf.use_callchain = false;
3404
3405 if (session->tevent.pevent &&
3406 pevent_set_function_resolver(session->tevent.pevent,
3407 machine__resolve_kernel_addr,
3408 &session->machines.host) < 0) {
3409 pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
3410 err = -1;
3411 goto out_delete;
3412 }
3413
3414 if (generate_script_lang) {
3415 struct stat perf_stat;
3416 int input;
3417
3418 if (output_set_by_user()) {
3419 fprintf(stderr,
3420 "custom fields not supported for generated scripts");
3421 err = -EINVAL;
3422 goto out_delete;
3423 }
3424
3425 input = open(data.file.path, O_RDONLY); /* input_name */
3426 if (input < 0) {
3427 err = -errno;
3428 perror("failed to open file");
3429 goto out_delete;
3430 }
3431
3432 err = fstat(input, &perf_stat);
3433 if (err < 0) {
3434 perror("failed to stat file");
3435 goto out_delete;
3436 }
3437
3438 if (!perf_stat.st_size) {
3439 fprintf(stderr, "zero-sized file, nothing to do!\n");
3440 goto out_delete;
3441 }
3442
3443 scripting_ops = script_spec__lookup(generate_script_lang);
3444 if (!scripting_ops) {
3445 fprintf(stderr, "invalid language specifier");
3446 err = -ENOENT;
3447 goto out_delete;
3448 }
3449
3450 err = scripting_ops->generate_script(session->tevent.pevent,
3451 "perf-script");
3452 goto out_delete;
3453 }
3454
3455 if (script_name) {
3456 err = scripting_ops->start_script(script_name, argc, argv);
3457 if (err)
3458 goto out_delete;
3459 pr_debug("perf script started with script %s\n\n", script_name);
3460 script_started = true;
3461 }
3462
3463
3464 err = perf_session__check_output_opt(session);
3465 if (err < 0)
3466 goto out_delete;
3467
3468 script.ptime_range = perf_time__range_alloc(script.time_str,
3469 &script.range_size);
3470 if (!script.ptime_range) {
3471 err = -ENOMEM;
3472 goto out_delete;
3473 }
3474
3475 /* needs to be parsed after looking up reference time */
3476 if (perf_time__parse_str(script.ptime_range, script.time_str) != 0) {
3477 if (session->evlist->first_sample_time == 0 &&
3478 session->evlist->last_sample_time == 0) {
3479 pr_err("HINT: no first/last sample time found in perf data.\n"
3480 "Please use latest perf binary to execute 'perf record'\n"
3481 "(if '--buildid-all' is enabled, please set '--timestamp-boundary').\n");
3482 err = -EINVAL;
3483 goto out_delete;
3484 }
3485
3486 script.range_num = perf_time__percent_parse_str(
3487 script.ptime_range, script.range_size,
3488 script.time_str,
3489 session->evlist->first_sample_time,
3490 session->evlist->last_sample_time);
3491
3492 if (script.range_num < 0) {
3493 pr_err("Invalid time string\n");
3494 err = -EINVAL;
3495 goto out_delete;
3496 }
3497 } else {
3498 script.range_num = 1;
3499 }
3500
3501 err = __cmd_script(&script);
3502
3503 flush_scripting();
3504
3505out_delete:
3506 zfree(&script.ptime_range);
3507
3508 perf_evlist__free_stats(session->evlist);
3509 perf_session__delete(session);
3510
3511 if (script_started)
3512 cleanup_scripting();
3513out:
3514 return err;
3515}
1// SPDX-License-Identifier: GPL-2.0
2#include "builtin.h"
3
4#include "util/counts.h"
5#include "util/debug.h"
6#include "util/dso.h"
7#include <subcmd/exec-cmd.h>
8#include "util/header.h"
9#include <subcmd/parse-options.h>
10#include "util/perf_regs.h"
11#include "util/session.h"
12#include "util/tool.h"
13#include "util/map.h"
14#include "util/srcline.h"
15#include "util/symbol.h"
16#include "util/thread.h"
17#include "util/trace-event.h"
18#include "util/evlist.h"
19#include "util/evsel.h"
20#include "util/evsel_fprintf.h"
21#include "util/evswitch.h"
22#include "util/sort.h"
23#include "util/data.h"
24#include "util/auxtrace.h"
25#include "util/cpumap.h"
26#include "util/thread_map.h"
27#include "util/stat.h"
28#include "util/color.h"
29#include "util/string2.h"
30#include "util/thread-stack.h"
31#include "util/time-utils.h"
32#include "util/path.h"
33#include "util/event.h"
34#include "ui/ui.h"
35#include "print_binary.h"
36#include "archinsn.h"
37#include <linux/bitmap.h>
38#include <linux/kernel.h>
39#include <linux/stringify.h>
40#include <linux/time64.h>
41#include <linux/zalloc.h>
42#include <sys/utsname.h>
43#include "asm/bug.h"
44#include "util/mem-events.h"
45#include "util/dump-insn.h"
46#include <dirent.h>
47#include <errno.h>
48#include <inttypes.h>
49#include <signal.h>
50#include <sys/param.h>
51#include <sys/types.h>
52#include <sys/stat.h>
53#include <fcntl.h>
54#include <unistd.h>
55#include <subcmd/pager.h>
56#include <perf/evlist.h>
57#include <linux/err.h>
58#include "util/dlfilter.h"
59#include "util/record.h"
60#include "util/util.h"
61#include "perf.h"
62
63#include <linux/ctype.h>
64
65static char const *script_name;
66static char const *generate_script_lang;
67static bool reltime;
68static bool deltatime;
69static u64 initial_time;
70static u64 previous_time;
71static bool debug_mode;
72static u64 last_timestamp;
73static u64 nr_unordered;
74static bool no_callchain;
75static bool latency_format;
76static bool system_wide;
77static bool print_flags;
78static const char *cpu_list;
79static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
80static struct perf_stat_config stat_config;
81static int max_blocks;
82static bool native_arch;
83static struct dlfilter *dlfilter;
84static int dlargc;
85static char **dlargv;
86
87unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
88
89enum perf_output_field {
90 PERF_OUTPUT_COMM = 1ULL << 0,
91 PERF_OUTPUT_TID = 1ULL << 1,
92 PERF_OUTPUT_PID = 1ULL << 2,
93 PERF_OUTPUT_TIME = 1ULL << 3,
94 PERF_OUTPUT_CPU = 1ULL << 4,
95 PERF_OUTPUT_EVNAME = 1ULL << 5,
96 PERF_OUTPUT_TRACE = 1ULL << 6,
97 PERF_OUTPUT_IP = 1ULL << 7,
98 PERF_OUTPUT_SYM = 1ULL << 8,
99 PERF_OUTPUT_DSO = 1ULL << 9,
100 PERF_OUTPUT_ADDR = 1ULL << 10,
101 PERF_OUTPUT_SYMOFFSET = 1ULL << 11,
102 PERF_OUTPUT_SRCLINE = 1ULL << 12,
103 PERF_OUTPUT_PERIOD = 1ULL << 13,
104 PERF_OUTPUT_IREGS = 1ULL << 14,
105 PERF_OUTPUT_BRSTACK = 1ULL << 15,
106 PERF_OUTPUT_BRSTACKSYM = 1ULL << 16,
107 PERF_OUTPUT_DATA_SRC = 1ULL << 17,
108 PERF_OUTPUT_WEIGHT = 1ULL << 18,
109 PERF_OUTPUT_BPF_OUTPUT = 1ULL << 19,
110 PERF_OUTPUT_CALLINDENT = 1ULL << 20,
111 PERF_OUTPUT_INSN = 1ULL << 21,
112 PERF_OUTPUT_INSNLEN = 1ULL << 22,
113 PERF_OUTPUT_BRSTACKINSN = 1ULL << 23,
114 PERF_OUTPUT_BRSTACKOFF = 1ULL << 24,
115 PERF_OUTPUT_SYNTH = 1ULL << 25,
116 PERF_OUTPUT_PHYS_ADDR = 1ULL << 26,
117 PERF_OUTPUT_UREGS = 1ULL << 27,
118 PERF_OUTPUT_METRIC = 1ULL << 28,
119 PERF_OUTPUT_MISC = 1ULL << 29,
120 PERF_OUTPUT_SRCCODE = 1ULL << 30,
121 PERF_OUTPUT_IPC = 1ULL << 31,
122 PERF_OUTPUT_TOD = 1ULL << 32,
123 PERF_OUTPUT_DATA_PAGE_SIZE = 1ULL << 33,
124 PERF_OUTPUT_CODE_PAGE_SIZE = 1ULL << 34,
125};
126
127struct perf_script {
128 struct perf_tool tool;
129 struct perf_session *session;
130 bool show_task_events;
131 bool show_mmap_events;
132 bool show_switch_events;
133 bool show_namespace_events;
134 bool show_lost_events;
135 bool show_round_events;
136 bool show_bpf_events;
137 bool show_cgroup_events;
138 bool show_text_poke_events;
139 bool allocated;
140 bool per_event_dump;
141 bool stitch_lbr;
142 struct evswitch evswitch;
143 struct perf_cpu_map *cpus;
144 struct perf_thread_map *threads;
145 int name_width;
146 const char *time_str;
147 struct perf_time_interval *ptime_range;
148 int range_size;
149 int range_num;
150};
151
152struct output_option {
153 const char *str;
154 enum perf_output_field field;
155} all_output_options[] = {
156 {.str = "comm", .field = PERF_OUTPUT_COMM},
157 {.str = "tid", .field = PERF_OUTPUT_TID},
158 {.str = "pid", .field = PERF_OUTPUT_PID},
159 {.str = "time", .field = PERF_OUTPUT_TIME},
160 {.str = "cpu", .field = PERF_OUTPUT_CPU},
161 {.str = "event", .field = PERF_OUTPUT_EVNAME},
162 {.str = "trace", .field = PERF_OUTPUT_TRACE},
163 {.str = "ip", .field = PERF_OUTPUT_IP},
164 {.str = "sym", .field = PERF_OUTPUT_SYM},
165 {.str = "dso", .field = PERF_OUTPUT_DSO},
166 {.str = "addr", .field = PERF_OUTPUT_ADDR},
167 {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
168 {.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
169 {.str = "period", .field = PERF_OUTPUT_PERIOD},
170 {.str = "iregs", .field = PERF_OUTPUT_IREGS},
171 {.str = "uregs", .field = PERF_OUTPUT_UREGS},
172 {.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
173 {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
174 {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
175 {.str = "weight", .field = PERF_OUTPUT_WEIGHT},
176 {.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT},
177 {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
178 {.str = "insn", .field = PERF_OUTPUT_INSN},
179 {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
180 {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
181 {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
182 {.str = "synth", .field = PERF_OUTPUT_SYNTH},
183 {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
184 {.str = "metric", .field = PERF_OUTPUT_METRIC},
185 {.str = "misc", .field = PERF_OUTPUT_MISC},
186 {.str = "srccode", .field = PERF_OUTPUT_SRCCODE},
187 {.str = "ipc", .field = PERF_OUTPUT_IPC},
188 {.str = "tod", .field = PERF_OUTPUT_TOD},
189 {.str = "data_page_size", .field = PERF_OUTPUT_DATA_PAGE_SIZE},
190 {.str = "code_page_size", .field = PERF_OUTPUT_CODE_PAGE_SIZE},
191};
192
193enum {
194 OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
195 OUTPUT_TYPE_OTHER,
196 OUTPUT_TYPE_MAX
197};
198
199/* default set to maintain compatibility with current format */
200static struct {
201 bool user_set;
202 bool wildcard_set;
203 unsigned int print_ip_opts;
204 u64 fields;
205 u64 invalid_fields;
206 u64 user_set_fields;
207 u64 user_unset_fields;
208} output[OUTPUT_TYPE_MAX] = {
209
210 [PERF_TYPE_HARDWARE] = {
211 .user_set = false,
212
213 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
214 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
215 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
216 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
217 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
218
219 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
220 },
221
222 [PERF_TYPE_SOFTWARE] = {
223 .user_set = false,
224
225 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
226 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
227 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
228 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
229 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
230 PERF_OUTPUT_BPF_OUTPUT,
231
232 .invalid_fields = PERF_OUTPUT_TRACE,
233 },
234
235 [PERF_TYPE_TRACEPOINT] = {
236 .user_set = false,
237
238 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
239 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
240 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
241 },
242
243 [PERF_TYPE_HW_CACHE] = {
244 .user_set = false,
245
246 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
247 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
248 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
249 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
250 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
251
252 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
253 },
254
255 [PERF_TYPE_RAW] = {
256 .user_set = false,
257
258 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
259 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
260 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
261 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
262 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
263 PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
264 PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR |
265 PERF_OUTPUT_DATA_PAGE_SIZE | PERF_OUTPUT_CODE_PAGE_SIZE,
266
267 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
268 },
269
270 [PERF_TYPE_BREAKPOINT] = {
271 .user_set = false,
272
273 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
274 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
275 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
276 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
277 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
278
279 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
280 },
281
282 [OUTPUT_TYPE_SYNTH] = {
283 .user_set = false,
284
285 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
286 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
287 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
288 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
289 PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH,
290
291 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
292 },
293
294 [OUTPUT_TYPE_OTHER] = {
295 .user_set = false,
296
297 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
298 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
299 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
300 PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
301 PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
302
303 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
304 },
305};
306
307struct evsel_script {
308 char *filename;
309 FILE *fp;
310 u64 samples;
311 /* For metric output */
312 u64 val;
313 int gnum;
314};
315
316static inline struct evsel_script *evsel_script(struct evsel *evsel)
317{
318 return (struct evsel_script *)evsel->priv;
319}
320
321static struct evsel_script *evsel_script__new(struct evsel *evsel, struct perf_data *data)
322{
323 struct evsel_script *es = zalloc(sizeof(*es));
324
325 if (es != NULL) {
326 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0)
327 goto out_free;
328 es->fp = fopen(es->filename, "w");
329 if (es->fp == NULL)
330 goto out_free_filename;
331 }
332
333 return es;
334out_free_filename:
335 zfree(&es->filename);
336out_free:
337 free(es);
338 return NULL;
339}
340
341static void evsel_script__delete(struct evsel_script *es)
342{
343 zfree(&es->filename);
344 fclose(es->fp);
345 es->fp = NULL;
346 free(es);
347}
348
349static int evsel_script__fprintf(struct evsel_script *es, FILE *fp)
350{
351 struct stat st;
352
353 fstat(fileno(es->fp), &st);
354 return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
355 st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
356}
357
358static inline int output_type(unsigned int type)
359{
360 switch (type) {
361 case PERF_TYPE_SYNTH:
362 return OUTPUT_TYPE_SYNTH;
363 default:
364 if (type < PERF_TYPE_MAX)
365 return type;
366 }
367
368 return OUTPUT_TYPE_OTHER;
369}
370
371static inline unsigned int attr_type(unsigned int type)
372{
373 switch (type) {
374 case OUTPUT_TYPE_SYNTH:
375 return PERF_TYPE_SYNTH;
376 default:
377 return type;
378 }
379}
380
381static bool output_set_by_user(void)
382{
383 int j;
384 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
385 if (output[j].user_set)
386 return true;
387 }
388 return false;
389}
390
391static const char *output_field2str(enum perf_output_field field)
392{
393 int i, imax = ARRAY_SIZE(all_output_options);
394 const char *str = "";
395
396 for (i = 0; i < imax; ++i) {
397 if (all_output_options[i].field == field) {
398 str = all_output_options[i].str;
399 break;
400 }
401 }
402 return str;
403}
404
405#define PRINT_FIELD(x) (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
406
407static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
408 enum perf_output_field field, bool allow_user_set)
409{
410 struct perf_event_attr *attr = &evsel->core.attr;
411 int type = output_type(attr->type);
412 const char *evname;
413
414 if (attr->sample_type & sample_type)
415 return 0;
416
417 if (output[type].user_set_fields & field) {
418 if (allow_user_set)
419 return 0;
420 evname = evsel__name(evsel);
421 pr_err("Samples for '%s' event do not have %s attribute set. "
422 "Cannot print '%s' field.\n",
423 evname, sample_msg, output_field2str(field));
424 return -1;
425 }
426
427 /* user did not ask for it explicitly so remove from the default list */
428 output[type].fields &= ~field;
429 evname = evsel__name(evsel);
430 pr_debug("Samples for '%s' event do not have %s attribute set. "
431 "Skipping '%s' field.\n",
432 evname, sample_msg, output_field2str(field));
433
434 return 0;
435}
436
437static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
438 enum perf_output_field field)
439{
440 return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false);
441}
442
443static int evsel__check_attr(struct evsel *evsel, struct perf_session *session)
444{
445 struct perf_event_attr *attr = &evsel->core.attr;
446 bool allow_user_set;
447
448 if (perf_header__has_feat(&session->header, HEADER_STAT))
449 return 0;
450
451 allow_user_set = perf_header__has_feat(&session->header,
452 HEADER_AUXTRACE);
453
454 if (PRINT_FIELD(TRACE) &&
455 !perf_session__has_traces(session, "record -R"))
456 return -EINVAL;
457
458 if (PRINT_FIELD(IP)) {
459 if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP))
460 return -EINVAL;
461 }
462
463 if (PRINT_FIELD(ADDR) &&
464 evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set))
465 return -EINVAL;
466
467 if (PRINT_FIELD(DATA_SRC) &&
468 evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC))
469 return -EINVAL;
470
471 if (PRINT_FIELD(WEIGHT) &&
472 evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT", PERF_OUTPUT_WEIGHT))
473 return -EINVAL;
474
475 if (PRINT_FIELD(SYM) &&
476 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
477 pr_err("Display of symbols requested but neither sample IP nor "
478 "sample address\navailable. Hence, no addresses to convert "
479 "to symbols.\n");
480 return -EINVAL;
481 }
482 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
483 pr_err("Display of offsets requested but symbol is not"
484 "selected.\n");
485 return -EINVAL;
486 }
487 if (PRINT_FIELD(DSO) &&
488 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
489 pr_err("Display of DSO requested but no address to convert.\n");
490 return -EINVAL;
491 }
492 if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) {
493 pr_err("Display of source line number requested but sample IP is not\n"
494 "selected. Hence, no address to lookup the source line number.\n");
495 return -EINVAL;
496 }
497 if (PRINT_FIELD(BRSTACKINSN) && !allow_user_set &&
498 !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) {
499 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
500 "Hint: run 'perf record -b ...'\n");
501 return -EINVAL;
502 }
503 if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
504 evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID))
505 return -EINVAL;
506
507 if (PRINT_FIELD(TIME) &&
508 evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME))
509 return -EINVAL;
510
511 if (PRINT_FIELD(CPU) &&
512 evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set))
513 return -EINVAL;
514
515 if (PRINT_FIELD(IREGS) &&
516 evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set))
517 return -EINVAL;
518
519 if (PRINT_FIELD(UREGS) &&
520 evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS))
521 return -EINVAL;
522
523 if (PRINT_FIELD(PHYS_ADDR) &&
524 evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR))
525 return -EINVAL;
526
527 if (PRINT_FIELD(DATA_PAGE_SIZE) &&
528 evsel__check_stype(evsel, PERF_SAMPLE_DATA_PAGE_SIZE, "DATA_PAGE_SIZE", PERF_OUTPUT_DATA_PAGE_SIZE))
529 return -EINVAL;
530
531 if (PRINT_FIELD(CODE_PAGE_SIZE) &&
532 evsel__check_stype(evsel, PERF_SAMPLE_CODE_PAGE_SIZE, "CODE_PAGE_SIZE", PERF_OUTPUT_CODE_PAGE_SIZE))
533 return -EINVAL;
534
535 return 0;
536}
537
538static void set_print_ip_opts(struct perf_event_attr *attr)
539{
540 unsigned int type = output_type(attr->type);
541
542 output[type].print_ip_opts = 0;
543 if (PRINT_FIELD(IP))
544 output[type].print_ip_opts |= EVSEL__PRINT_IP;
545
546 if (PRINT_FIELD(SYM))
547 output[type].print_ip_opts |= EVSEL__PRINT_SYM;
548
549 if (PRINT_FIELD(DSO))
550 output[type].print_ip_opts |= EVSEL__PRINT_DSO;
551
552 if (PRINT_FIELD(SYMOFFSET))
553 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
554
555 if (PRINT_FIELD(SRCLINE))
556 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
557}
558
559/*
560 * verify all user requested events exist and the samples
561 * have the expected data
562 */
563static int perf_session__check_output_opt(struct perf_session *session)
564{
565 bool tod = false;
566 unsigned int j;
567 struct evsel *evsel;
568
569 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
570 evsel = perf_session__find_first_evtype(session, attr_type(j));
571
572 /*
573 * even if fields is set to 0 (ie., show nothing) event must
574 * exist if user explicitly includes it on the command line
575 */
576 if (!evsel && output[j].user_set && !output[j].wildcard_set &&
577 j != OUTPUT_TYPE_SYNTH) {
578 pr_err("%s events do not exist. "
579 "Remove corresponding -F option to proceed.\n",
580 event_type(j));
581 return -1;
582 }
583
584 if (evsel && output[j].fields &&
585 evsel__check_attr(evsel, session))
586 return -1;
587
588 if (evsel == NULL)
589 continue;
590
591 set_print_ip_opts(&evsel->core.attr);
592 tod |= output[j].fields & PERF_OUTPUT_TOD;
593 }
594
595 if (!no_callchain) {
596 bool use_callchain = false;
597 bool not_pipe = false;
598
599 evlist__for_each_entry(session->evlist, evsel) {
600 not_pipe = true;
601 if (evsel__has_callchain(evsel)) {
602 use_callchain = true;
603 break;
604 }
605 }
606 if (not_pipe && !use_callchain)
607 symbol_conf.use_callchain = false;
608 }
609
610 /*
611 * set default for tracepoints to print symbols only
612 * if callchains are present
613 */
614 if (symbol_conf.use_callchain &&
615 !output[PERF_TYPE_TRACEPOINT].user_set) {
616 j = PERF_TYPE_TRACEPOINT;
617
618 evlist__for_each_entry(session->evlist, evsel) {
619 if (evsel->core.attr.type != j)
620 continue;
621
622 if (evsel__has_callchain(evsel)) {
623 output[j].fields |= PERF_OUTPUT_IP;
624 output[j].fields |= PERF_OUTPUT_SYM;
625 output[j].fields |= PERF_OUTPUT_SYMOFFSET;
626 output[j].fields |= PERF_OUTPUT_DSO;
627 set_print_ip_opts(&evsel->core.attr);
628 goto out;
629 }
630 }
631 }
632
633 if (tod && !session->header.env.clock.enabled) {
634 pr_err("Can't provide 'tod' time, missing clock data. "
635 "Please record with -k/--clockid option.\n");
636 return -1;
637 }
638out:
639 return 0;
640}
641
642static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask,
643 FILE *fp)
644{
645 unsigned i = 0, r;
646 int printed = 0;
647
648 if (!regs || !regs->regs)
649 return 0;
650
651 printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
652
653 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
654 u64 val = regs->regs[i++];
655 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
656 }
657
658 return printed;
659}
660
661#define DEFAULT_TOD_FMT "%F %H:%M:%S"
662
663static char*
664tod_scnprintf(struct perf_script *script, char *buf, int buflen,
665 u64 timestamp)
666{
667 u64 tod_ns, clockid_ns;
668 struct perf_env *env;
669 unsigned long nsec;
670 struct tm ltime;
671 char date[64];
672 time_t sec;
673
674 buf[0] = '\0';
675 if (buflen < 64 || !script)
676 return buf;
677
678 env = &script->session->header.env;
679 if (!env->clock.enabled) {
680 scnprintf(buf, buflen, "disabled");
681 return buf;
682 }
683
684 clockid_ns = env->clock.clockid_ns;
685 tod_ns = env->clock.tod_ns;
686
687 if (timestamp > clockid_ns)
688 tod_ns += timestamp - clockid_ns;
689 else
690 tod_ns -= clockid_ns - timestamp;
691
692 sec = (time_t) (tod_ns / NSEC_PER_SEC);
693 nsec = tod_ns - sec * NSEC_PER_SEC;
694
695 if (localtime_r(&sec, <ime) == NULL) {
696 scnprintf(buf, buflen, "failed");
697 } else {
698 strftime(date, sizeof(date), DEFAULT_TOD_FMT, <ime);
699
700 if (symbol_conf.nanosecs) {
701 snprintf(buf, buflen, "%s.%09lu", date, nsec);
702 } else {
703 snprintf(buf, buflen, "%s.%06lu",
704 date, nsec / NSEC_PER_USEC);
705 }
706 }
707
708 return buf;
709}
710
711static int perf_sample__fprintf_iregs(struct perf_sample *sample,
712 struct perf_event_attr *attr, FILE *fp)
713{
714 return perf_sample__fprintf_regs(&sample->intr_regs,
715 attr->sample_regs_intr, fp);
716}
717
718static int perf_sample__fprintf_uregs(struct perf_sample *sample,
719 struct perf_event_attr *attr, FILE *fp)
720{
721 return perf_sample__fprintf_regs(&sample->user_regs,
722 attr->sample_regs_user, fp);
723}
724
725static int perf_sample__fprintf_start(struct perf_script *script,
726 struct perf_sample *sample,
727 struct thread *thread,
728 struct evsel *evsel,
729 u32 type, FILE *fp)
730{
731 struct perf_event_attr *attr = &evsel->core.attr;
732 unsigned long secs;
733 unsigned long long nsecs;
734 int printed = 0;
735 char tstr[128];
736
737 if (PRINT_FIELD(COMM)) {
738 const char *comm = thread ? thread__comm_str(thread) : ":-1";
739
740 if (latency_format)
741 printed += fprintf(fp, "%8.8s ", comm);
742 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
743 printed += fprintf(fp, "%s ", comm);
744 else
745 printed += fprintf(fp, "%16s ", comm);
746 }
747
748 if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
749 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid);
750 else if (PRINT_FIELD(PID))
751 printed += fprintf(fp, "%5d ", sample->pid);
752 else if (PRINT_FIELD(TID))
753 printed += fprintf(fp, "%5d ", sample->tid);
754
755 if (PRINT_FIELD(CPU)) {
756 if (latency_format)
757 printed += fprintf(fp, "%3d ", sample->cpu);
758 else
759 printed += fprintf(fp, "[%03d] ", sample->cpu);
760 }
761
762 if (PRINT_FIELD(MISC)) {
763 int ret = 0;
764
765 #define has(m) \
766 (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
767
768 if (has(KERNEL))
769 ret += fprintf(fp, "K");
770 if (has(USER))
771 ret += fprintf(fp, "U");
772 if (has(HYPERVISOR))
773 ret += fprintf(fp, "H");
774 if (has(GUEST_KERNEL))
775 ret += fprintf(fp, "G");
776 if (has(GUEST_USER))
777 ret += fprintf(fp, "g");
778
779 switch (type) {
780 case PERF_RECORD_MMAP:
781 case PERF_RECORD_MMAP2:
782 if (has(MMAP_DATA))
783 ret += fprintf(fp, "M");
784 break;
785 case PERF_RECORD_COMM:
786 if (has(COMM_EXEC))
787 ret += fprintf(fp, "E");
788 break;
789 case PERF_RECORD_SWITCH:
790 case PERF_RECORD_SWITCH_CPU_WIDE:
791 if (has(SWITCH_OUT)) {
792 ret += fprintf(fp, "S");
793 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
794 ret += fprintf(fp, "p");
795 }
796 default:
797 break;
798 }
799
800 #undef has
801
802 ret += fprintf(fp, "%*s", 6 - ret, " ");
803 printed += ret;
804 }
805
806 if (PRINT_FIELD(TOD)) {
807 tod_scnprintf(script, tstr, sizeof(tstr), sample->time);
808 printed += fprintf(fp, "%s ", tstr);
809 }
810
811 if (PRINT_FIELD(TIME)) {
812 u64 t = sample->time;
813 if (reltime) {
814 if (!initial_time)
815 initial_time = sample->time;
816 t = sample->time - initial_time;
817 } else if (deltatime) {
818 if (previous_time)
819 t = sample->time - previous_time;
820 else {
821 t = 0;
822 }
823 previous_time = sample->time;
824 }
825 nsecs = t;
826 secs = nsecs / NSEC_PER_SEC;
827 nsecs -= secs * NSEC_PER_SEC;
828
829 if (symbol_conf.nanosecs)
830 printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
831 else {
832 char sample_time[32];
833 timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time));
834 printed += fprintf(fp, "%12s: ", sample_time);
835 }
836 }
837
838 return printed;
839}
840
841static inline char
842mispred_str(struct branch_entry *br)
843{
844 if (!(br->flags.mispred || br->flags.predicted))
845 return '-';
846
847 return br->flags.predicted ? 'P' : 'M';
848}
849
850static int perf_sample__fprintf_brstack(struct perf_sample *sample,
851 struct thread *thread,
852 struct perf_event_attr *attr, FILE *fp)
853{
854 struct branch_stack *br = sample->branch_stack;
855 struct branch_entry *entries = perf_sample__branch_entries(sample);
856 struct addr_location alf, alt;
857 u64 i, from, to;
858 int printed = 0;
859
860 if (!(br && br->nr))
861 return 0;
862
863 for (i = 0; i < br->nr; i++) {
864 from = entries[i].from;
865 to = entries[i].to;
866
867 if (PRINT_FIELD(DSO)) {
868 memset(&alf, 0, sizeof(alf));
869 memset(&alt, 0, sizeof(alt));
870 thread__find_map_fb(thread, sample->cpumode, from, &alf);
871 thread__find_map_fb(thread, sample->cpumode, to, &alt);
872 }
873
874 printed += fprintf(fp, " 0x%"PRIx64, from);
875 if (PRINT_FIELD(DSO)) {
876 printed += fprintf(fp, "(");
877 printed += map__fprintf_dsoname(alf.map, fp);
878 printed += fprintf(fp, ")");
879 }
880
881 printed += fprintf(fp, "/0x%"PRIx64, to);
882 if (PRINT_FIELD(DSO)) {
883 printed += fprintf(fp, "(");
884 printed += map__fprintf_dsoname(alt.map, fp);
885 printed += fprintf(fp, ")");
886 }
887
888 printed += fprintf(fp, "/%c/%c/%c/%d ",
889 mispred_str(entries + i),
890 entries[i].flags.in_tx ? 'X' : '-',
891 entries[i].flags.abort ? 'A' : '-',
892 entries[i].flags.cycles);
893 }
894
895 return printed;
896}
897
898static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
899 struct thread *thread,
900 struct perf_event_attr *attr, FILE *fp)
901{
902 struct branch_stack *br = sample->branch_stack;
903 struct branch_entry *entries = perf_sample__branch_entries(sample);
904 struct addr_location alf, alt;
905 u64 i, from, to;
906 int printed = 0;
907
908 if (!(br && br->nr))
909 return 0;
910
911 for (i = 0; i < br->nr; i++) {
912
913 memset(&alf, 0, sizeof(alf));
914 memset(&alt, 0, sizeof(alt));
915 from = entries[i].from;
916 to = entries[i].to;
917
918 thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
919 thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
920
921 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
922 if (PRINT_FIELD(DSO)) {
923 printed += fprintf(fp, "(");
924 printed += map__fprintf_dsoname(alf.map, fp);
925 printed += fprintf(fp, ")");
926 }
927 printed += fprintf(fp, "%c", '/');
928 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
929 if (PRINT_FIELD(DSO)) {
930 printed += fprintf(fp, "(");
931 printed += map__fprintf_dsoname(alt.map, fp);
932 printed += fprintf(fp, ")");
933 }
934 printed += fprintf(fp, "/%c/%c/%c/%d ",
935 mispred_str(entries + i),
936 entries[i].flags.in_tx ? 'X' : '-',
937 entries[i].flags.abort ? 'A' : '-',
938 entries[i].flags.cycles);
939 }
940
941 return printed;
942}
943
944static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
945 struct thread *thread,
946 struct perf_event_attr *attr, FILE *fp)
947{
948 struct branch_stack *br = sample->branch_stack;
949 struct branch_entry *entries = perf_sample__branch_entries(sample);
950 struct addr_location alf, alt;
951 u64 i, from, to;
952 int printed = 0;
953
954 if (!(br && br->nr))
955 return 0;
956
957 for (i = 0; i < br->nr; i++) {
958
959 memset(&alf, 0, sizeof(alf));
960 memset(&alt, 0, sizeof(alt));
961 from = entries[i].from;
962 to = entries[i].to;
963
964 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
965 !alf.map->dso->adjust_symbols)
966 from = map__map_ip(alf.map, from);
967
968 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
969 !alt.map->dso->adjust_symbols)
970 to = map__map_ip(alt.map, to);
971
972 printed += fprintf(fp, " 0x%"PRIx64, from);
973 if (PRINT_FIELD(DSO)) {
974 printed += fprintf(fp, "(");
975 printed += map__fprintf_dsoname(alf.map, fp);
976 printed += fprintf(fp, ")");
977 }
978 printed += fprintf(fp, "/0x%"PRIx64, to);
979 if (PRINT_FIELD(DSO)) {
980 printed += fprintf(fp, "(");
981 printed += map__fprintf_dsoname(alt.map, fp);
982 printed += fprintf(fp, ")");
983 }
984 printed += fprintf(fp, "/%c/%c/%c/%d ",
985 mispred_str(entries + i),
986 entries[i].flags.in_tx ? 'X' : '-',
987 entries[i].flags.abort ? 'A' : '-',
988 entries[i].flags.cycles);
989 }
990
991 return printed;
992}
993#define MAXBB 16384UL
994
995static int grab_bb(u8 *buffer, u64 start, u64 end,
996 struct machine *machine, struct thread *thread,
997 bool *is64bit, u8 *cpumode, bool last)
998{
999 long offset, len;
1000 struct addr_location al;
1001 bool kernel;
1002
1003 if (!start || !end)
1004 return 0;
1005
1006 kernel = machine__kernel_ip(machine, start);
1007 if (kernel)
1008 *cpumode = PERF_RECORD_MISC_KERNEL;
1009 else
1010 *cpumode = PERF_RECORD_MISC_USER;
1011
1012 /*
1013 * Block overlaps between kernel and user.
1014 * This can happen due to ring filtering
1015 * On Intel CPUs the entry into the kernel is filtered,
1016 * but the exit is not. Let the caller patch it up.
1017 */
1018 if (kernel != machine__kernel_ip(machine, end)) {
1019 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
1020 return -ENXIO;
1021 }
1022
1023 memset(&al, 0, sizeof(al));
1024 if (end - start > MAXBB - MAXINSN) {
1025 if (last)
1026 pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
1027 else
1028 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
1029 return 0;
1030 }
1031
1032 if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) {
1033 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1034 return 0;
1035 }
1036 if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
1037 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1038 return 0;
1039 }
1040
1041 /* Load maps to ensure dso->is_64_bit has been updated */
1042 map__load(al.map);
1043
1044 offset = al.map->map_ip(al.map, start);
1045 len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer,
1046 end - start + MAXINSN);
1047
1048 *is64bit = al.map->dso->is_64_bit;
1049 if (len <= 0)
1050 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
1051 start, end);
1052 return len;
1053}
1054
1055static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state)
1056{
1057 char *srcfile;
1058 int ret = 0;
1059 unsigned line;
1060 int len;
1061 char *srccode;
1062
1063 if (!map || !map->dso)
1064 return 0;
1065 srcfile = get_srcline_split(map->dso,
1066 map__rip_2objdump(map, addr),
1067 &line);
1068 if (!srcfile)
1069 return 0;
1070
1071 /* Avoid redundant printing */
1072 if (state &&
1073 state->srcfile &&
1074 !strcmp(state->srcfile, srcfile) &&
1075 state->line == line) {
1076 free(srcfile);
1077 return 0;
1078 }
1079
1080 srccode = find_sourceline(srcfile, line, &len);
1081 if (!srccode)
1082 goto out_free_line;
1083
1084 ret = fprintf(fp, "|%-8d %.*s", line, len, srccode);
1085
1086 if (state) {
1087 state->srcfile = srcfile;
1088 state->line = line;
1089 }
1090 return ret;
1091
1092out_free_line:
1093 free(srcfile);
1094 return ret;
1095}
1096
1097static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr)
1098{
1099 struct addr_location al;
1100 int ret = 0;
1101
1102 memset(&al, 0, sizeof(al));
1103 thread__find_map(thread, cpumode, addr, &al);
1104 if (!al.map)
1105 return 0;
1106 ret = map__fprintf_srccode(al.map, al.addr, stdout,
1107 &thread->srccode_state);
1108 if (ret)
1109 ret += printf("\n");
1110 return ret;
1111}
1112
1113static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
1114 struct perf_insn *x, u8 *inbuf, int len,
1115 int insn, FILE *fp, int *total_cycles)
1116{
1117 int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip,
1118 dump_insn(x, ip, inbuf, len, NULL),
1119 en->flags.predicted ? " PRED" : "",
1120 en->flags.mispred ? " MISPRED" : "",
1121 en->flags.in_tx ? " INTX" : "",
1122 en->flags.abort ? " ABORT" : "");
1123 if (en->flags.cycles) {
1124 *total_cycles += en->flags.cycles;
1125 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles);
1126 if (insn)
1127 printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
1128 }
1129 return printed + fprintf(fp, "\n");
1130}
1131
1132static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
1133 u8 cpumode, int cpu, struct symbol **lastsym,
1134 struct perf_event_attr *attr, FILE *fp)
1135{
1136 struct addr_location al;
1137 int off, printed = 0;
1138
1139 memset(&al, 0, sizeof(al));
1140
1141 thread__find_map(thread, cpumode, addr, &al);
1142
1143 if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
1144 return 0;
1145
1146 al.cpu = cpu;
1147 al.sym = NULL;
1148 if (al.map)
1149 al.sym = map__find_symbol(al.map, al.addr);
1150
1151 if (!al.sym)
1152 return 0;
1153
1154 if (al.addr < al.sym->end)
1155 off = al.addr - al.sym->start;
1156 else
1157 off = al.addr - al.map->start - al.sym->start;
1158 printed += fprintf(fp, "\t%s", al.sym->name);
1159 if (off)
1160 printed += fprintf(fp, "%+d", off);
1161 printed += fprintf(fp, ":");
1162 if (PRINT_FIELD(SRCLINE))
1163 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
1164 printed += fprintf(fp, "\n");
1165 *lastsym = al.sym;
1166
1167 return printed;
1168}
1169
1170static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
1171 struct thread *thread,
1172 struct perf_event_attr *attr,
1173 struct machine *machine, FILE *fp)
1174{
1175 struct branch_stack *br = sample->branch_stack;
1176 struct branch_entry *entries = perf_sample__branch_entries(sample);
1177 u64 start, end;
1178 int i, insn, len, nr, ilen, printed = 0;
1179 struct perf_insn x;
1180 u8 buffer[MAXBB];
1181 unsigned off;
1182 struct symbol *lastsym = NULL;
1183 int total_cycles = 0;
1184
1185 if (!(br && br->nr))
1186 return 0;
1187 nr = br->nr;
1188 if (max_blocks && nr > max_blocks + 1)
1189 nr = max_blocks + 1;
1190
1191 x.thread = thread;
1192 x.cpu = sample->cpu;
1193
1194 printed += fprintf(fp, "%c", '\n');
1195
1196 /* Handle first from jump, of which we don't know the entry. */
1197 len = grab_bb(buffer, entries[nr-1].from,
1198 entries[nr-1].from,
1199 machine, thread, &x.is64bit, &x.cpumode, false);
1200 if (len > 0) {
1201 printed += ip__fprintf_sym(entries[nr - 1].from, thread,
1202 x.cpumode, x.cpu, &lastsym, attr, fp);
1203 printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1],
1204 &x, buffer, len, 0, fp, &total_cycles);
1205 if (PRINT_FIELD(SRCCODE))
1206 printed += print_srccode(thread, x.cpumode, entries[nr - 1].from);
1207 }
1208
1209 /* Print all blocks */
1210 for (i = nr - 2; i >= 0; i--) {
1211 if (entries[i].from || entries[i].to)
1212 pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1213 entries[i].from,
1214 entries[i].to);
1215 start = entries[i + 1].to;
1216 end = entries[i].from;
1217
1218 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1219 /* Patch up missing kernel transfers due to ring filters */
1220 if (len == -ENXIO && i > 0) {
1221 end = entries[--i].from;
1222 pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1223 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1224 }
1225 if (len <= 0)
1226 continue;
1227
1228 insn = 0;
1229 for (off = 0; off < (unsigned)len; off += ilen) {
1230 uint64_t ip = start + off;
1231
1232 printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1233 if (ip == end) {
1234 printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp,
1235 &total_cycles);
1236 if (PRINT_FIELD(SRCCODE))
1237 printed += print_srccode(thread, x.cpumode, ip);
1238 break;
1239 } else {
1240 ilen = 0;
1241 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip,
1242 dump_insn(&x, ip, buffer + off, len - off, &ilen));
1243 if (ilen == 0)
1244 break;
1245 if (PRINT_FIELD(SRCCODE))
1246 print_srccode(thread, x.cpumode, ip);
1247 insn++;
1248 }
1249 }
1250 if (off != end - start)
1251 printed += fprintf(fp, "\tmismatch of LBR data and executable\n");
1252 }
1253
1254 /*
1255 * Hit the branch? In this case we are already done, and the target
1256 * has not been executed yet.
1257 */
1258 if (entries[0].from == sample->ip)
1259 goto out;
1260 if (entries[0].flags.abort)
1261 goto out;
1262
1263 /*
1264 * Print final block upto sample
1265 *
1266 * Due to pipeline delays the LBRs might be missing a branch
1267 * or two, which can result in very large or negative blocks
1268 * between final branch and sample. When this happens just
1269 * continue walking after the last TO until we hit a branch.
1270 */
1271 start = entries[0].to;
1272 end = sample->ip;
1273 if (end < start) {
1274 /* Missing jump. Scan 128 bytes for the next branch */
1275 end = start + 128;
1276 }
1277 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1278 printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1279 if (len <= 0) {
1280 /* Print at least last IP if basic block did not work */
1281 len = grab_bb(buffer, sample->ip, sample->ip,
1282 machine, thread, &x.is64bit, &x.cpumode, false);
1283 if (len <= 0)
1284 goto out;
1285 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip,
1286 dump_insn(&x, sample->ip, buffer, len, NULL));
1287 if (PRINT_FIELD(SRCCODE))
1288 print_srccode(thread, x.cpumode, sample->ip);
1289 goto out;
1290 }
1291 for (off = 0; off <= end - start; off += ilen) {
1292 ilen = 0;
1293 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off,
1294 dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1295 if (ilen == 0)
1296 break;
1297 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) {
1298 /*
1299 * Hit a missing branch. Just stop.
1300 */
1301 printed += fprintf(fp, "\t... not reaching sample ...\n");
1302 break;
1303 }
1304 if (PRINT_FIELD(SRCCODE))
1305 print_srccode(thread, x.cpumode, start + off);
1306 }
1307out:
1308 return printed;
1309}
1310
1311static int perf_sample__fprintf_addr(struct perf_sample *sample,
1312 struct thread *thread,
1313 struct perf_event_attr *attr, FILE *fp)
1314{
1315 struct addr_location al;
1316 int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1317
1318 if (!sample_addr_correlates_sym(attr))
1319 goto out;
1320
1321 thread__resolve(thread, &al, sample);
1322
1323 if (PRINT_FIELD(SYM)) {
1324 printed += fprintf(fp, " ");
1325 if (PRINT_FIELD(SYMOFFSET))
1326 printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1327 else
1328 printed += symbol__fprintf_symname(al.sym, fp);
1329 }
1330
1331 if (PRINT_FIELD(DSO)) {
1332 printed += fprintf(fp, " (");
1333 printed += map__fprintf_dsoname(al.map, fp);
1334 printed += fprintf(fp, ")");
1335 }
1336out:
1337 return printed;
1338}
1339
1340static const char *resolve_branch_sym(struct perf_sample *sample,
1341 struct evsel *evsel,
1342 struct thread *thread,
1343 struct addr_location *al,
1344 struct addr_location *addr_al,
1345 u64 *ip)
1346{
1347 struct perf_event_attr *attr = &evsel->core.attr;
1348 const char *name = NULL;
1349
1350 if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1351 if (sample_addr_correlates_sym(attr)) {
1352 if (!addr_al->thread)
1353 thread__resolve(thread, addr_al, sample);
1354 if (addr_al->sym)
1355 name = addr_al->sym->name;
1356 else
1357 *ip = sample->addr;
1358 } else {
1359 *ip = sample->addr;
1360 }
1361 } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1362 if (al->sym)
1363 name = al->sym->name;
1364 else
1365 *ip = sample->ip;
1366 }
1367 return name;
1368}
1369
1370static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1371 struct evsel *evsel,
1372 struct thread *thread,
1373 struct addr_location *al,
1374 struct addr_location *addr_al,
1375 FILE *fp)
1376{
1377 struct perf_event_attr *attr = &evsel->core.attr;
1378 size_t depth = thread_stack__depth(thread, sample->cpu);
1379 const char *name = NULL;
1380 static int spacing;
1381 int len = 0;
1382 int dlen = 0;
1383 u64 ip = 0;
1384
1385 /*
1386 * The 'return' has already been popped off the stack so the depth has
1387 * to be adjusted to match the 'call'.
1388 */
1389 if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
1390 depth += 1;
1391
1392 name = resolve_branch_sym(sample, evsel, thread, al, addr_al, &ip);
1393
1394 if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
1395 dlen += fprintf(fp, "(");
1396 dlen += map__fprintf_dsoname(al->map, fp);
1397 dlen += fprintf(fp, ")\t");
1398 }
1399
1400 if (name)
1401 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1402 else if (ip)
1403 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1404
1405 if (len < 0)
1406 return len;
1407
1408 /*
1409 * Try to keep the output length from changing frequently so that the
1410 * output lines up more nicely.
1411 */
1412 if (len > spacing || (len && len < spacing - 52))
1413 spacing = round_up(len + 4, 32);
1414
1415 if (len < spacing)
1416 len += fprintf(fp, "%*s", spacing - len, "");
1417
1418 return len + dlen;
1419}
1420
1421__weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused,
1422 struct thread *thread __maybe_unused,
1423 struct machine *machine __maybe_unused)
1424{
1425}
1426
1427void script_fetch_insn(struct perf_sample *sample, struct thread *thread,
1428 struct machine *machine)
1429{
1430 if (sample->insn_len == 0 && native_arch)
1431 arch_fetch_insn(sample, thread, machine);
1432}
1433
1434static int perf_sample__fprintf_insn(struct perf_sample *sample,
1435 struct perf_event_attr *attr,
1436 struct thread *thread,
1437 struct machine *machine, FILE *fp)
1438{
1439 int printed = 0;
1440
1441 script_fetch_insn(sample, thread, machine);
1442
1443 if (PRINT_FIELD(INSNLEN))
1444 printed += fprintf(fp, " ilen: %d", sample->insn_len);
1445 if (PRINT_FIELD(INSN) && sample->insn_len) {
1446 int i;
1447
1448 printed += fprintf(fp, " insn:");
1449 for (i = 0; i < sample->insn_len; i++)
1450 printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
1451 }
1452 if (PRINT_FIELD(BRSTACKINSN))
1453 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
1454
1455 return printed;
1456}
1457
1458static int perf_sample__fprintf_ipc(struct perf_sample *sample,
1459 struct perf_event_attr *attr, FILE *fp)
1460{
1461 unsigned int ipc;
1462
1463 if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt)
1464 return 0;
1465
1466 ipc = (sample->insn_cnt * 100) / sample->cyc_cnt;
1467
1468 return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ",
1469 ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt);
1470}
1471
1472static int perf_sample__fprintf_bts(struct perf_sample *sample,
1473 struct evsel *evsel,
1474 struct thread *thread,
1475 struct addr_location *al,
1476 struct addr_location *addr_al,
1477 struct machine *machine, FILE *fp)
1478{
1479 struct perf_event_attr *attr = &evsel->core.attr;
1480 unsigned int type = output_type(attr->type);
1481 bool print_srcline_last = false;
1482 int printed = 0;
1483
1484 if (PRINT_FIELD(CALLINDENT))
1485 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, addr_al, fp);
1486
1487 /* print branch_from information */
1488 if (PRINT_FIELD(IP)) {
1489 unsigned int print_opts = output[type].print_ip_opts;
1490 struct callchain_cursor *cursor = NULL;
1491
1492 if (symbol_conf.use_callchain && sample->callchain &&
1493 thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1494 sample, NULL, NULL, scripting_max_stack) == 0)
1495 cursor = &callchain_cursor;
1496
1497 if (cursor == NULL) {
1498 printed += fprintf(fp, " ");
1499 if (print_opts & EVSEL__PRINT_SRCLINE) {
1500 print_srcline_last = true;
1501 print_opts &= ~EVSEL__PRINT_SRCLINE;
1502 }
1503 } else
1504 printed += fprintf(fp, "\n");
1505
1506 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor,
1507 symbol_conf.bt_stop_list, fp);
1508 }
1509
1510 /* print branch_to information */
1511 if (PRINT_FIELD(ADDR) ||
1512 ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
1513 !output[type].user_set)) {
1514 printed += fprintf(fp, " => ");
1515 printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1516 }
1517
1518 printed += perf_sample__fprintf_ipc(sample, attr, fp);
1519
1520 if (print_srcline_last)
1521 printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp);
1522
1523 printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1524 printed += fprintf(fp, "\n");
1525 if (PRINT_FIELD(SRCCODE)) {
1526 int ret = map__fprintf_srccode(al->map, al->addr, stdout,
1527 &thread->srccode_state);
1528 if (ret) {
1529 printed += ret;
1530 printed += printf("\n");
1531 }
1532 }
1533 return printed;
1534}
1535
1536static struct {
1537 u32 flags;
1538 const char *name;
1539} sample_flags[] = {
1540 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1541 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1542 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1543 {PERF_IP_FLAG_BRANCH, "jmp"},
1544 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1545 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1546 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1547 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1548 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1549 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"},
1550 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1551 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1552 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1553 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMENTRY, "vmentry"},
1554 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMEXIT, "vmexit"},
1555 {0, NULL}
1556};
1557
1558static const char *sample_flags_to_name(u32 flags)
1559{
1560 int i;
1561
1562 for (i = 0; sample_flags[i].name ; i++) {
1563 if (sample_flags[i].flags == flags)
1564 return sample_flags[i].name;
1565 }
1566
1567 return NULL;
1568}
1569
1570int perf_sample__sprintf_flags(u32 flags, char *str, size_t sz)
1571{
1572 const char *chars = PERF_IP_FLAG_CHARS;
1573 const size_t n = strlen(PERF_IP_FLAG_CHARS);
1574 bool in_tx = flags & PERF_IP_FLAG_IN_TX;
1575 const char *name = NULL;
1576 size_t i, pos = 0;
1577
1578 name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX);
1579 if (name)
1580 return snprintf(str, sz, "%-15s%4s", name, in_tx ? "(x)" : "");
1581
1582 if (flags & PERF_IP_FLAG_TRACE_BEGIN) {
1583 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN));
1584 if (name)
1585 return snprintf(str, sz, "tr strt %-7s%4s", name, in_tx ? "(x)" : "");
1586 }
1587
1588 if (flags & PERF_IP_FLAG_TRACE_END) {
1589 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END));
1590 if (name)
1591 return snprintf(str, sz, "tr end %-7s%4s", name, in_tx ? "(x)" : "");
1592 }
1593
1594 for (i = 0; i < n; i++, flags >>= 1) {
1595 if ((flags & 1) && pos < sz)
1596 str[pos++] = chars[i];
1597 }
1598 for (; i < 32; i++, flags >>= 1) {
1599 if ((flags & 1) && pos < sz)
1600 str[pos++] = '?';
1601 }
1602 if (pos < sz)
1603 str[pos] = 0;
1604
1605 return pos;
1606}
1607
1608static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1609{
1610 char str[SAMPLE_FLAGS_BUF_SIZE];
1611
1612 perf_sample__sprintf_flags(flags, str, sizeof(str));
1613 return fprintf(fp, " %-19s ", str);
1614}
1615
1616struct printer_data {
1617 int line_no;
1618 bool hit_nul;
1619 bool is_printable;
1620};
1621
1622static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1623 unsigned int val,
1624 void *extra, FILE *fp)
1625{
1626 unsigned char ch = (unsigned char)val;
1627 struct printer_data *printer_data = extra;
1628 int printed = 0;
1629
1630 switch (op) {
1631 case BINARY_PRINT_DATA_BEGIN:
1632 printed += fprintf(fp, "\n");
1633 break;
1634 case BINARY_PRINT_LINE_BEGIN:
1635 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1636 " ");
1637 break;
1638 case BINARY_PRINT_ADDR:
1639 printed += fprintf(fp, " %04x:", val);
1640 break;
1641 case BINARY_PRINT_NUM_DATA:
1642 printed += fprintf(fp, " %02x", val);
1643 break;
1644 case BINARY_PRINT_NUM_PAD:
1645 printed += fprintf(fp, " ");
1646 break;
1647 case BINARY_PRINT_SEP:
1648 printed += fprintf(fp, " ");
1649 break;
1650 case BINARY_PRINT_CHAR_DATA:
1651 if (printer_data->hit_nul && ch)
1652 printer_data->is_printable = false;
1653
1654 if (!isprint(ch)) {
1655 printed += fprintf(fp, "%c", '.');
1656
1657 if (!printer_data->is_printable)
1658 break;
1659
1660 if (ch == '\0')
1661 printer_data->hit_nul = true;
1662 else
1663 printer_data->is_printable = false;
1664 } else {
1665 printed += fprintf(fp, "%c", ch);
1666 }
1667 break;
1668 case BINARY_PRINT_CHAR_PAD:
1669 printed += fprintf(fp, " ");
1670 break;
1671 case BINARY_PRINT_LINE_END:
1672 printed += fprintf(fp, "\n");
1673 printer_data->line_no++;
1674 break;
1675 case BINARY_PRINT_DATA_END:
1676 default:
1677 break;
1678 }
1679
1680 return printed;
1681}
1682
1683static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1684{
1685 unsigned int nr_bytes = sample->raw_size;
1686 struct printer_data printer_data = {0, false, true};
1687 int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1688 sample__fprintf_bpf_output, &printer_data, fp);
1689
1690 if (printer_data.is_printable && printer_data.hit_nul)
1691 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1692
1693 return printed;
1694}
1695
1696static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1697{
1698 if (len > 0 && len < spacing)
1699 return fprintf(fp, "%*s", spacing - len, "");
1700
1701 return 0;
1702}
1703
1704static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1705{
1706 return perf_sample__fprintf_spacing(len, 34, fp);
1707}
1708
1709static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1710{
1711 struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1712 int len;
1713
1714 if (perf_sample__bad_synth_size(sample, *data))
1715 return 0;
1716
1717 len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ",
1718 data->ip, le64_to_cpu(data->payload));
1719 return len + perf_sample__fprintf_pt_spacing(len, fp);
1720}
1721
1722static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1723{
1724 struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1725 int len;
1726
1727 if (perf_sample__bad_synth_size(sample, *data))
1728 return 0;
1729
1730 len = fprintf(fp, " hints: %#x extensions: %#x ",
1731 data->hints, data->extensions);
1732 return len + perf_sample__fprintf_pt_spacing(len, fp);
1733}
1734
1735static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1736{
1737 struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1738 int len;
1739
1740 if (perf_sample__bad_synth_size(sample, *data))
1741 return 0;
1742
1743 len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1744 data->hw, data->cstate, data->subcstate);
1745 return len + perf_sample__fprintf_pt_spacing(len, fp);
1746}
1747
1748static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1749{
1750 struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1751 int len;
1752
1753 if (perf_sample__bad_synth_size(sample, *data))
1754 return 0;
1755
1756 len = fprintf(fp, " IP: %u ", data->ip);
1757 return len + perf_sample__fprintf_pt_spacing(len, fp);
1758}
1759
1760static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1761{
1762 struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1763 int len;
1764
1765 if (perf_sample__bad_synth_size(sample, *data))
1766 return 0;
1767
1768 len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1769 data->deepest_cstate, data->last_cstate,
1770 data->wake_reason);
1771 return len + perf_sample__fprintf_pt_spacing(len, fp);
1772}
1773
1774static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1775{
1776 struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1777 unsigned int percent, freq;
1778 int len;
1779
1780 if (perf_sample__bad_synth_size(sample, *data))
1781 return 0;
1782
1783 freq = (le32_to_cpu(data->freq) + 500) / 1000;
1784 len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1785 if (data->max_nonturbo) {
1786 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1787 len += fprintf(fp, "(%3u%%) ", percent);
1788 }
1789 return len + perf_sample__fprintf_pt_spacing(len, fp);
1790}
1791
1792static int perf_sample__fprintf_synth_psb(struct perf_sample *sample, FILE *fp)
1793{
1794 struct perf_synth_intel_psb *data = perf_sample__synth_ptr(sample);
1795 int len;
1796
1797 if (perf_sample__bad_synth_size(sample, *data))
1798 return 0;
1799
1800 len = fprintf(fp, " psb offs: %#" PRIx64, data->offset);
1801 return len + perf_sample__fprintf_pt_spacing(len, fp);
1802}
1803
1804static int perf_sample__fprintf_synth(struct perf_sample *sample,
1805 struct evsel *evsel, FILE *fp)
1806{
1807 switch (evsel->core.attr.config) {
1808 case PERF_SYNTH_INTEL_PTWRITE:
1809 return perf_sample__fprintf_synth_ptwrite(sample, fp);
1810 case PERF_SYNTH_INTEL_MWAIT:
1811 return perf_sample__fprintf_synth_mwait(sample, fp);
1812 case PERF_SYNTH_INTEL_PWRE:
1813 return perf_sample__fprintf_synth_pwre(sample, fp);
1814 case PERF_SYNTH_INTEL_EXSTOP:
1815 return perf_sample__fprintf_synth_exstop(sample, fp);
1816 case PERF_SYNTH_INTEL_PWRX:
1817 return perf_sample__fprintf_synth_pwrx(sample, fp);
1818 case PERF_SYNTH_INTEL_CBR:
1819 return perf_sample__fprintf_synth_cbr(sample, fp);
1820 case PERF_SYNTH_INTEL_PSB:
1821 return perf_sample__fprintf_synth_psb(sample, fp);
1822 default:
1823 break;
1824 }
1825
1826 return 0;
1827}
1828
1829static int evlist__max_name_len(struct evlist *evlist)
1830{
1831 struct evsel *evsel;
1832 int max = 0;
1833
1834 evlist__for_each_entry(evlist, evsel) {
1835 int len = strlen(evsel__name(evsel));
1836
1837 max = MAX(len, max);
1838 }
1839
1840 return max;
1841}
1842
1843static int data_src__fprintf(u64 data_src, FILE *fp)
1844{
1845 struct mem_info mi = { .data_src.val = data_src };
1846 char decode[100];
1847 char out[100];
1848 static int maxlen;
1849 int len;
1850
1851 perf_script__meminfo_scnprintf(decode, 100, &mi);
1852
1853 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
1854 if (maxlen < len)
1855 maxlen = len;
1856
1857 return fprintf(fp, "%-*s", maxlen, out);
1858}
1859
1860struct metric_ctx {
1861 struct perf_sample *sample;
1862 struct thread *thread;
1863 struct evsel *evsel;
1864 FILE *fp;
1865};
1866
1867static void script_print_metric(struct perf_stat_config *config __maybe_unused,
1868 void *ctx, const char *color,
1869 const char *fmt,
1870 const char *unit, double val)
1871{
1872 struct metric_ctx *mctx = ctx;
1873
1874 if (!fmt)
1875 return;
1876 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
1877 PERF_RECORD_SAMPLE, mctx->fp);
1878 fputs("\tmetric: ", mctx->fp);
1879 if (color)
1880 color_fprintf(mctx->fp, color, fmt, val);
1881 else
1882 printf(fmt, val);
1883 fprintf(mctx->fp, " %s\n", unit);
1884}
1885
1886static void script_new_line(struct perf_stat_config *config __maybe_unused,
1887 void *ctx)
1888{
1889 struct metric_ctx *mctx = ctx;
1890
1891 perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
1892 PERF_RECORD_SAMPLE, mctx->fp);
1893 fputs("\tmetric: ", mctx->fp);
1894}
1895
1896static void perf_sample__fprint_metric(struct perf_script *script,
1897 struct thread *thread,
1898 struct evsel *evsel,
1899 struct perf_sample *sample,
1900 FILE *fp)
1901{
1902 struct evsel *leader = evsel__leader(evsel);
1903 struct perf_stat_output_ctx ctx = {
1904 .print_metric = script_print_metric,
1905 .new_line = script_new_line,
1906 .ctx = &(struct metric_ctx) {
1907 .sample = sample,
1908 .thread = thread,
1909 .evsel = evsel,
1910 .fp = fp,
1911 },
1912 .force_header = false,
1913 };
1914 struct evsel *ev2;
1915 u64 val;
1916
1917 if (!evsel->stats)
1918 evlist__alloc_stats(script->session->evlist, false);
1919 if (evsel_script(leader)->gnum++ == 0)
1920 perf_stat__reset_shadow_stats();
1921 val = sample->period * evsel->scale;
1922 perf_stat__update_shadow_stats(evsel,
1923 val,
1924 sample->cpu,
1925 &rt_stat);
1926 evsel_script(evsel)->val = val;
1927 if (evsel_script(leader)->gnum == leader->core.nr_members) {
1928 for_each_group_member (ev2, leader) {
1929 perf_stat__print_shadow_stats(&stat_config, ev2,
1930 evsel_script(ev2)->val,
1931 sample->cpu,
1932 &ctx,
1933 NULL,
1934 &rt_stat);
1935 }
1936 evsel_script(leader)->gnum = 0;
1937 }
1938}
1939
1940static bool show_event(struct perf_sample *sample,
1941 struct evsel *evsel,
1942 struct thread *thread,
1943 struct addr_location *al,
1944 struct addr_location *addr_al)
1945{
1946 int depth = thread_stack__depth(thread, sample->cpu);
1947
1948 if (!symbol_conf.graph_function)
1949 return true;
1950
1951 if (thread->filter) {
1952 if (depth <= thread->filter_entry_depth) {
1953 thread->filter = false;
1954 return false;
1955 }
1956 return true;
1957 } else {
1958 const char *s = symbol_conf.graph_function;
1959 u64 ip;
1960 const char *name = resolve_branch_sym(sample, evsel, thread, al, addr_al,
1961 &ip);
1962 unsigned nlen;
1963
1964 if (!name)
1965 return false;
1966 nlen = strlen(name);
1967 while (*s) {
1968 unsigned len = strcspn(s, ",");
1969 if (nlen == len && !strncmp(name, s, len)) {
1970 thread->filter = true;
1971 thread->filter_entry_depth = depth;
1972 return true;
1973 }
1974 s += len;
1975 if (*s == ',')
1976 s++;
1977 }
1978 return false;
1979 }
1980}
1981
1982static void process_event(struct perf_script *script,
1983 struct perf_sample *sample, struct evsel *evsel,
1984 struct addr_location *al,
1985 struct addr_location *addr_al,
1986 struct machine *machine)
1987{
1988 struct thread *thread = al->thread;
1989 struct perf_event_attr *attr = &evsel->core.attr;
1990 unsigned int type = output_type(attr->type);
1991 struct evsel_script *es = evsel->priv;
1992 FILE *fp = es->fp;
1993 char str[PAGE_SIZE_NAME_LEN];
1994
1995 if (output[type].fields == 0)
1996 return;
1997
1998 ++es->samples;
1999
2000 perf_sample__fprintf_start(script, sample, thread, evsel,
2001 PERF_RECORD_SAMPLE, fp);
2002
2003 if (PRINT_FIELD(PERIOD))
2004 fprintf(fp, "%10" PRIu64 " ", sample->period);
2005
2006 if (PRINT_FIELD(EVNAME)) {
2007 const char *evname = evsel__name(evsel);
2008
2009 if (!script->name_width)
2010 script->name_width = evlist__max_name_len(script->session->evlist);
2011
2012 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
2013 }
2014
2015 if (print_flags)
2016 perf_sample__fprintf_flags(sample->flags, fp);
2017
2018 if (is_bts_event(attr)) {
2019 perf_sample__fprintf_bts(sample, evsel, thread, al, addr_al, machine, fp);
2020 return;
2021 }
2022
2023 if (PRINT_FIELD(TRACE) && sample->raw_data) {
2024 event_format__fprintf(evsel->tp_format, sample->cpu,
2025 sample->raw_data, sample->raw_size, fp);
2026 }
2027
2028 if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
2029 perf_sample__fprintf_synth(sample, evsel, fp);
2030
2031 if (PRINT_FIELD(ADDR))
2032 perf_sample__fprintf_addr(sample, thread, attr, fp);
2033
2034 if (PRINT_FIELD(DATA_SRC))
2035 data_src__fprintf(sample->data_src, fp);
2036
2037 if (PRINT_FIELD(WEIGHT))
2038 fprintf(fp, "%16" PRIu64, sample->weight);
2039
2040 if (PRINT_FIELD(IP)) {
2041 struct callchain_cursor *cursor = NULL;
2042
2043 if (script->stitch_lbr)
2044 al->thread->lbr_stitch_enable = true;
2045
2046 if (symbol_conf.use_callchain && sample->callchain &&
2047 thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
2048 sample, NULL, NULL, scripting_max_stack) == 0)
2049 cursor = &callchain_cursor;
2050
2051 fputc(cursor ? '\n' : ' ', fp);
2052 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor,
2053 symbol_conf.bt_stop_list, fp);
2054 }
2055
2056 if (PRINT_FIELD(IREGS))
2057 perf_sample__fprintf_iregs(sample, attr, fp);
2058
2059 if (PRINT_FIELD(UREGS))
2060 perf_sample__fprintf_uregs(sample, attr, fp);
2061
2062 if (PRINT_FIELD(BRSTACK))
2063 perf_sample__fprintf_brstack(sample, thread, attr, fp);
2064 else if (PRINT_FIELD(BRSTACKSYM))
2065 perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
2066 else if (PRINT_FIELD(BRSTACKOFF))
2067 perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
2068
2069 if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
2070 perf_sample__fprintf_bpf_output(sample, fp);
2071 perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
2072
2073 if (PRINT_FIELD(PHYS_ADDR))
2074 fprintf(fp, "%16" PRIx64, sample->phys_addr);
2075
2076 if (PRINT_FIELD(DATA_PAGE_SIZE))
2077 fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str));
2078
2079 if (PRINT_FIELD(CODE_PAGE_SIZE))
2080 fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str));
2081
2082 perf_sample__fprintf_ipc(sample, attr, fp);
2083
2084 fprintf(fp, "\n");
2085
2086 if (PRINT_FIELD(SRCCODE)) {
2087 if (map__fprintf_srccode(al->map, al->addr, stdout,
2088 &thread->srccode_state))
2089 printf("\n");
2090 }
2091
2092 if (PRINT_FIELD(METRIC))
2093 perf_sample__fprint_metric(script, thread, evsel, sample, fp);
2094
2095 if (verbose)
2096 fflush(fp);
2097}
2098
2099static struct scripting_ops *scripting_ops;
2100
2101static void __process_stat(struct evsel *counter, u64 tstamp)
2102{
2103 int nthreads = perf_thread_map__nr(counter->core.threads);
2104 int ncpus = evsel__nr_cpus(counter);
2105 int cpu, thread;
2106 static int header_printed;
2107
2108 if (counter->core.system_wide)
2109 nthreads = 1;
2110
2111 if (!header_printed) {
2112 printf("%3s %8s %15s %15s %15s %15s %s\n",
2113 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
2114 header_printed = 1;
2115 }
2116
2117 for (thread = 0; thread < nthreads; thread++) {
2118 for (cpu = 0; cpu < ncpus; cpu++) {
2119 struct perf_counts_values *counts;
2120
2121 counts = perf_counts(counter->counts, cpu, thread);
2122
2123 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
2124 counter->core.cpus->map[cpu],
2125 perf_thread_map__pid(counter->core.threads, thread),
2126 counts->val,
2127 counts->ena,
2128 counts->run,
2129 tstamp,
2130 evsel__name(counter));
2131 }
2132 }
2133}
2134
2135static void process_stat(struct evsel *counter, u64 tstamp)
2136{
2137 if (scripting_ops && scripting_ops->process_stat)
2138 scripting_ops->process_stat(&stat_config, counter, tstamp);
2139 else
2140 __process_stat(counter, tstamp);
2141}
2142
2143static void process_stat_interval(u64 tstamp)
2144{
2145 if (scripting_ops && scripting_ops->process_stat_interval)
2146 scripting_ops->process_stat_interval(tstamp);
2147}
2148
2149static void setup_scripting(void)
2150{
2151 setup_perl_scripting();
2152 setup_python_scripting();
2153}
2154
2155static int flush_scripting(void)
2156{
2157 return scripting_ops ? scripting_ops->flush_script() : 0;
2158}
2159
2160static int cleanup_scripting(void)
2161{
2162 pr_debug("\nperf script stopped\n");
2163
2164 return scripting_ops ? scripting_ops->stop_script() : 0;
2165}
2166
2167static bool filter_cpu(struct perf_sample *sample)
2168{
2169 if (cpu_list && sample->cpu != (u32)-1)
2170 return !test_bit(sample->cpu, cpu_bitmap);
2171 return false;
2172}
2173
2174static int process_sample_event(struct perf_tool *tool,
2175 union perf_event *event,
2176 struct perf_sample *sample,
2177 struct evsel *evsel,
2178 struct machine *machine)
2179{
2180 struct perf_script *scr = container_of(tool, struct perf_script, tool);
2181 struct addr_location al;
2182 struct addr_location addr_al;
2183 int ret = 0;
2184
2185 /* Set thread to NULL to indicate addr_al and al are not initialized */
2186 addr_al.thread = NULL;
2187 al.thread = NULL;
2188
2189 ret = dlfilter__filter_event_early(dlfilter, event, sample, evsel, machine, &al, &addr_al);
2190 if (ret) {
2191 if (ret > 0)
2192 ret = 0;
2193 goto out_put;
2194 }
2195
2196 if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
2197 sample->time)) {
2198 goto out_put;
2199 }
2200
2201 if (debug_mode) {
2202 if (sample->time < last_timestamp) {
2203 pr_err("Samples misordered, previous: %" PRIu64
2204 " this: %" PRIu64 "\n", last_timestamp,
2205 sample->time);
2206 nr_unordered++;
2207 }
2208 last_timestamp = sample->time;
2209 goto out_put;
2210 }
2211
2212 if (filter_cpu(sample))
2213 goto out_put;
2214
2215 if (machine__resolve(machine, &al, sample) < 0) {
2216 pr_err("problem processing %d event, skipping it.\n",
2217 event->header.type);
2218 ret = -1;
2219 goto out_put;
2220 }
2221
2222 if (al.filtered)
2223 goto out_put;
2224
2225 if (!show_event(sample, evsel, al.thread, &al, &addr_al))
2226 goto out_put;
2227
2228 if (evswitch__discard(&scr->evswitch, evsel))
2229 goto out_put;
2230
2231 ret = dlfilter__filter_event(dlfilter, event, sample, evsel, machine, &al, &addr_al);
2232 if (ret) {
2233 if (ret > 0)
2234 ret = 0;
2235 goto out_put;
2236 }
2237
2238 if (scripting_ops) {
2239 struct addr_location *addr_al_ptr = NULL;
2240
2241 if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
2242 sample_addr_correlates_sym(&evsel->core.attr)) {
2243 if (!addr_al.thread)
2244 thread__resolve(al.thread, &addr_al, sample);
2245 addr_al_ptr = &addr_al;
2246 }
2247 scripting_ops->process_event(event, sample, evsel, &al, addr_al_ptr);
2248 } else {
2249 process_event(scr, sample, evsel, &al, &addr_al, machine);
2250 }
2251
2252out_put:
2253 if (al.thread)
2254 addr_location__put(&al);
2255 return ret;
2256}
2257
2258static int process_attr(struct perf_tool *tool, union perf_event *event,
2259 struct evlist **pevlist)
2260{
2261 struct perf_script *scr = container_of(tool, struct perf_script, tool);
2262 struct evlist *evlist;
2263 struct evsel *evsel, *pos;
2264 u64 sample_type;
2265 int err;
2266 static struct evsel_script *es;
2267
2268 err = perf_event__process_attr(tool, event, pevlist);
2269 if (err)
2270 return err;
2271
2272 evlist = *pevlist;
2273 evsel = evlist__last(*pevlist);
2274
2275 if (!evsel->priv) {
2276 if (scr->per_event_dump) {
2277 evsel->priv = evsel_script__new(evsel, scr->session->data);
2278 } else {
2279 es = zalloc(sizeof(*es));
2280 if (!es)
2281 return -ENOMEM;
2282 es->fp = stdout;
2283 evsel->priv = es;
2284 }
2285 }
2286
2287 if (evsel->core.attr.type >= PERF_TYPE_MAX &&
2288 evsel->core.attr.type != PERF_TYPE_SYNTH)
2289 return 0;
2290
2291 evlist__for_each_entry(evlist, pos) {
2292 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel)
2293 return 0;
2294 }
2295
2296 if (evsel->core.attr.sample_type) {
2297 err = evsel__check_attr(evsel, scr->session);
2298 if (err)
2299 return err;
2300 }
2301
2302 /*
2303 * Check if we need to enable callchains based
2304 * on events sample_type.
2305 */
2306 sample_type = evlist__combined_sample_type(evlist);
2307 callchain_param_setup(sample_type);
2308
2309 /* Enable fields for callchain entries */
2310 if (symbol_conf.use_callchain &&
2311 (sample_type & PERF_SAMPLE_CALLCHAIN ||
2312 sample_type & PERF_SAMPLE_BRANCH_STACK ||
2313 (sample_type & PERF_SAMPLE_REGS_USER &&
2314 sample_type & PERF_SAMPLE_STACK_USER))) {
2315 int type = output_type(evsel->core.attr.type);
2316
2317 if (!(output[type].user_unset_fields & PERF_OUTPUT_IP))
2318 output[type].fields |= PERF_OUTPUT_IP;
2319 if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM))
2320 output[type].fields |= PERF_OUTPUT_SYM;
2321 }
2322 set_print_ip_opts(&evsel->core.attr);
2323 return 0;
2324}
2325
2326static int print_event_with_time(struct perf_tool *tool,
2327 union perf_event *event,
2328 struct perf_sample *sample,
2329 struct machine *machine,
2330 pid_t pid, pid_t tid, u64 timestamp)
2331{
2332 struct perf_script *script = container_of(tool, struct perf_script, tool);
2333 struct perf_session *session = script->session;
2334 struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id);
2335 struct thread *thread = NULL;
2336
2337 if (evsel && !evsel->core.attr.sample_id_all) {
2338 sample->cpu = 0;
2339 sample->time = timestamp;
2340 sample->pid = pid;
2341 sample->tid = tid;
2342 }
2343
2344 if (filter_cpu(sample))
2345 return 0;
2346
2347 if (tid != -1)
2348 thread = machine__findnew_thread(machine, pid, tid);
2349
2350 if (evsel) {
2351 perf_sample__fprintf_start(script, sample, thread, evsel,
2352 event->header.type, stdout);
2353 }
2354
2355 perf_event__fprintf(event, machine, stdout);
2356
2357 thread__put(thread);
2358
2359 return 0;
2360}
2361
2362static int print_event(struct perf_tool *tool, union perf_event *event,
2363 struct perf_sample *sample, struct machine *machine,
2364 pid_t pid, pid_t tid)
2365{
2366 return print_event_with_time(tool, event, sample, machine, pid, tid, 0);
2367}
2368
2369static int process_comm_event(struct perf_tool *tool,
2370 union perf_event *event,
2371 struct perf_sample *sample,
2372 struct machine *machine)
2373{
2374 if (perf_event__process_comm(tool, event, sample, machine) < 0)
2375 return -1;
2376
2377 return print_event(tool, event, sample, machine, event->comm.pid,
2378 event->comm.tid);
2379}
2380
2381static int process_namespaces_event(struct perf_tool *tool,
2382 union perf_event *event,
2383 struct perf_sample *sample,
2384 struct machine *machine)
2385{
2386 if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
2387 return -1;
2388
2389 return print_event(tool, event, sample, machine, event->namespaces.pid,
2390 event->namespaces.tid);
2391}
2392
2393static int process_cgroup_event(struct perf_tool *tool,
2394 union perf_event *event,
2395 struct perf_sample *sample,
2396 struct machine *machine)
2397{
2398 if (perf_event__process_cgroup(tool, event, sample, machine) < 0)
2399 return -1;
2400
2401 return print_event(tool, event, sample, machine, sample->pid,
2402 sample->tid);
2403}
2404
2405static int process_fork_event(struct perf_tool *tool,
2406 union perf_event *event,
2407 struct perf_sample *sample,
2408 struct machine *machine)
2409{
2410 if (perf_event__process_fork(tool, event, sample, machine) < 0)
2411 return -1;
2412
2413 return print_event_with_time(tool, event, sample, machine,
2414 event->fork.pid, event->fork.tid,
2415 event->fork.time);
2416}
2417static int process_exit_event(struct perf_tool *tool,
2418 union perf_event *event,
2419 struct perf_sample *sample,
2420 struct machine *machine)
2421{
2422 /* Print before 'exit' deletes anything */
2423 if (print_event_with_time(tool, event, sample, machine, event->fork.pid,
2424 event->fork.tid, event->fork.time))
2425 return -1;
2426
2427 return perf_event__process_exit(tool, event, sample, machine);
2428}
2429
2430static int process_mmap_event(struct perf_tool *tool,
2431 union perf_event *event,
2432 struct perf_sample *sample,
2433 struct machine *machine)
2434{
2435 if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2436 return -1;
2437
2438 return print_event(tool, event, sample, machine, event->mmap.pid,
2439 event->mmap.tid);
2440}
2441
2442static int process_mmap2_event(struct perf_tool *tool,
2443 union perf_event *event,
2444 struct perf_sample *sample,
2445 struct machine *machine)
2446{
2447 if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2448 return -1;
2449
2450 return print_event(tool, event, sample, machine, event->mmap2.pid,
2451 event->mmap2.tid);
2452}
2453
2454static int process_switch_event(struct perf_tool *tool,
2455 union perf_event *event,
2456 struct perf_sample *sample,
2457 struct machine *machine)
2458{
2459 struct perf_script *script = container_of(tool, struct perf_script, tool);
2460
2461 if (perf_event__process_switch(tool, event, sample, machine) < 0)
2462 return -1;
2463
2464 if (scripting_ops && scripting_ops->process_switch)
2465 scripting_ops->process_switch(event, sample, machine);
2466
2467 if (!script->show_switch_events)
2468 return 0;
2469
2470 return print_event(tool, event, sample, machine, sample->pid,
2471 sample->tid);
2472}
2473
2474static int process_auxtrace_error(struct perf_session *session,
2475 union perf_event *event)
2476{
2477 if (scripting_ops && scripting_ops->process_auxtrace_error) {
2478 scripting_ops->process_auxtrace_error(session, event);
2479 return 0;
2480 }
2481
2482 return perf_event__process_auxtrace_error(session, event);
2483}
2484
2485static int
2486process_lost_event(struct perf_tool *tool,
2487 union perf_event *event,
2488 struct perf_sample *sample,
2489 struct machine *machine)
2490{
2491 return print_event(tool, event, sample, machine, sample->pid,
2492 sample->tid);
2493}
2494
2495static int
2496process_finished_round_event(struct perf_tool *tool __maybe_unused,
2497 union perf_event *event,
2498 struct ordered_events *oe __maybe_unused)
2499
2500{
2501 perf_event__fprintf(event, NULL, stdout);
2502 return 0;
2503}
2504
2505static int
2506process_bpf_events(struct perf_tool *tool __maybe_unused,
2507 union perf_event *event,
2508 struct perf_sample *sample,
2509 struct machine *machine)
2510{
2511 if (machine__process_ksymbol(machine, event, sample) < 0)
2512 return -1;
2513
2514 return print_event(tool, event, sample, machine, sample->pid,
2515 sample->tid);
2516}
2517
2518static int process_text_poke_events(struct perf_tool *tool,
2519 union perf_event *event,
2520 struct perf_sample *sample,
2521 struct machine *machine)
2522{
2523 if (perf_event__process_text_poke(tool, event, sample, machine) < 0)
2524 return -1;
2525
2526 return print_event(tool, event, sample, machine, sample->pid,
2527 sample->tid);
2528}
2529
2530static void sig_handler(int sig __maybe_unused)
2531{
2532 session_done = 1;
2533}
2534
2535static void perf_script__fclose_per_event_dump(struct perf_script *script)
2536{
2537 struct evlist *evlist = script->session->evlist;
2538 struct evsel *evsel;
2539
2540 evlist__for_each_entry(evlist, evsel) {
2541 if (!evsel->priv)
2542 break;
2543 evsel_script__delete(evsel->priv);
2544 evsel->priv = NULL;
2545 }
2546}
2547
2548static int perf_script__fopen_per_event_dump(struct perf_script *script)
2549{
2550 struct evsel *evsel;
2551
2552 evlist__for_each_entry(script->session->evlist, evsel) {
2553 /*
2554 * Already setup? I.e. we may be called twice in cases like
2555 * Intel PT, one for the intel_pt// and dummy events, then
2556 * for the evsels synthesized from the auxtrace info.
2557 *
2558 * Ses perf_script__process_auxtrace_info.
2559 */
2560 if (evsel->priv != NULL)
2561 continue;
2562
2563 evsel->priv = evsel_script__new(evsel, script->session->data);
2564 if (evsel->priv == NULL)
2565 goto out_err_fclose;
2566 }
2567
2568 return 0;
2569
2570out_err_fclose:
2571 perf_script__fclose_per_event_dump(script);
2572 return -1;
2573}
2574
2575static int perf_script__setup_per_event_dump(struct perf_script *script)
2576{
2577 struct evsel *evsel;
2578 static struct evsel_script es_stdout;
2579
2580 if (script->per_event_dump)
2581 return perf_script__fopen_per_event_dump(script);
2582
2583 es_stdout.fp = stdout;
2584
2585 evlist__for_each_entry(script->session->evlist, evsel)
2586 evsel->priv = &es_stdout;
2587
2588 return 0;
2589}
2590
2591static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2592{
2593 struct evsel *evsel;
2594
2595 evlist__for_each_entry(script->session->evlist, evsel) {
2596 struct evsel_script *es = evsel->priv;
2597
2598 evsel_script__fprintf(es, stdout);
2599 evsel_script__delete(es);
2600 evsel->priv = NULL;
2601 }
2602}
2603
2604static void perf_script__exit(struct perf_script *script)
2605{
2606 perf_thread_map__put(script->threads);
2607 perf_cpu_map__put(script->cpus);
2608}
2609
2610static int __cmd_script(struct perf_script *script)
2611{
2612 int ret;
2613
2614 signal(SIGINT, sig_handler);
2615
2616 perf_stat__init_shadow_stats();
2617
2618 /* override event processing functions */
2619 if (script->show_task_events) {
2620 script->tool.comm = process_comm_event;
2621 script->tool.fork = process_fork_event;
2622 script->tool.exit = process_exit_event;
2623 }
2624 if (script->show_mmap_events) {
2625 script->tool.mmap = process_mmap_event;
2626 script->tool.mmap2 = process_mmap2_event;
2627 }
2628 if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch))
2629 script->tool.context_switch = process_switch_event;
2630 if (scripting_ops && scripting_ops->process_auxtrace_error)
2631 script->tool.auxtrace_error = process_auxtrace_error;
2632 if (script->show_namespace_events)
2633 script->tool.namespaces = process_namespaces_event;
2634 if (script->show_cgroup_events)
2635 script->tool.cgroup = process_cgroup_event;
2636 if (script->show_lost_events)
2637 script->tool.lost = process_lost_event;
2638 if (script->show_round_events) {
2639 script->tool.ordered_events = false;
2640 script->tool.finished_round = process_finished_round_event;
2641 }
2642 if (script->show_bpf_events) {
2643 script->tool.ksymbol = process_bpf_events;
2644 script->tool.bpf = process_bpf_events;
2645 }
2646 if (script->show_text_poke_events) {
2647 script->tool.ksymbol = process_bpf_events;
2648 script->tool.text_poke = process_text_poke_events;
2649 }
2650
2651 if (perf_script__setup_per_event_dump(script)) {
2652 pr_err("Couldn't create the per event dump files\n");
2653 return -1;
2654 }
2655
2656 ret = perf_session__process_events(script->session);
2657
2658 if (script->per_event_dump)
2659 perf_script__exit_per_event_dump_stats(script);
2660
2661 if (debug_mode)
2662 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2663
2664 return ret;
2665}
2666
2667struct script_spec {
2668 struct list_head node;
2669 struct scripting_ops *ops;
2670 char spec[];
2671};
2672
2673static LIST_HEAD(script_specs);
2674
2675static struct script_spec *script_spec__new(const char *spec,
2676 struct scripting_ops *ops)
2677{
2678 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2679
2680 if (s != NULL) {
2681 strcpy(s->spec, spec);
2682 s->ops = ops;
2683 }
2684
2685 return s;
2686}
2687
2688static void script_spec__add(struct script_spec *s)
2689{
2690 list_add_tail(&s->node, &script_specs);
2691}
2692
2693static struct script_spec *script_spec__find(const char *spec)
2694{
2695 struct script_spec *s;
2696
2697 list_for_each_entry(s, &script_specs, node)
2698 if (strcasecmp(s->spec, spec) == 0)
2699 return s;
2700 return NULL;
2701}
2702
2703int script_spec_register(const char *spec, struct scripting_ops *ops)
2704{
2705 struct script_spec *s;
2706
2707 s = script_spec__find(spec);
2708 if (s)
2709 return -1;
2710
2711 s = script_spec__new(spec, ops);
2712 if (!s)
2713 return -1;
2714 else
2715 script_spec__add(s);
2716
2717 return 0;
2718}
2719
2720static struct scripting_ops *script_spec__lookup(const char *spec)
2721{
2722 struct script_spec *s = script_spec__find(spec);
2723 if (!s)
2724 return NULL;
2725
2726 return s->ops;
2727}
2728
2729static void list_available_languages(void)
2730{
2731 struct script_spec *s;
2732
2733 fprintf(stderr, "\n");
2734 fprintf(stderr, "Scripting language extensions (used in "
2735 "perf script -s [spec:]script.[spec]):\n\n");
2736
2737 list_for_each_entry(s, &script_specs, node)
2738 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name);
2739
2740 fprintf(stderr, "\n");
2741}
2742
2743/* Find script file relative to current directory or exec path */
2744static char *find_script(const char *script)
2745{
2746 char path[PATH_MAX];
2747
2748 if (!scripting_ops) {
2749 const char *ext = strrchr(script, '.');
2750
2751 if (!ext)
2752 return NULL;
2753
2754 scripting_ops = script_spec__lookup(++ext);
2755 if (!scripting_ops)
2756 return NULL;
2757 }
2758
2759 if (access(script, R_OK)) {
2760 char *exec_path = get_argv_exec_path();
2761
2762 if (!exec_path)
2763 return NULL;
2764 snprintf(path, sizeof(path), "%s/scripts/%s/%s",
2765 exec_path, scripting_ops->dirname, script);
2766 free(exec_path);
2767 script = path;
2768 if (access(script, R_OK))
2769 return NULL;
2770 }
2771 return strdup(script);
2772}
2773
2774static int parse_scriptname(const struct option *opt __maybe_unused,
2775 const char *str, int unset __maybe_unused)
2776{
2777 char spec[PATH_MAX];
2778 const char *script, *ext;
2779 int len;
2780
2781 if (strcmp(str, "lang") == 0) {
2782 list_available_languages();
2783 exit(0);
2784 }
2785
2786 script = strchr(str, ':');
2787 if (script) {
2788 len = script - str;
2789 if (len >= PATH_MAX) {
2790 fprintf(stderr, "invalid language specifier");
2791 return -1;
2792 }
2793 strncpy(spec, str, len);
2794 spec[len] = '\0';
2795 scripting_ops = script_spec__lookup(spec);
2796 if (!scripting_ops) {
2797 fprintf(stderr, "invalid language specifier");
2798 return -1;
2799 }
2800 script++;
2801 } else {
2802 script = str;
2803 ext = strrchr(script, '.');
2804 if (!ext) {
2805 fprintf(stderr, "invalid script extension");
2806 return -1;
2807 }
2808 scripting_ops = script_spec__lookup(++ext);
2809 if (!scripting_ops) {
2810 fprintf(stderr, "invalid script extension");
2811 return -1;
2812 }
2813 }
2814
2815 script_name = find_script(script);
2816 if (!script_name)
2817 script_name = strdup(script);
2818
2819 return 0;
2820}
2821
2822static int parse_output_fields(const struct option *opt __maybe_unused,
2823 const char *arg, int unset __maybe_unused)
2824{
2825 char *tok, *strtok_saveptr = NULL;
2826 int i, imax = ARRAY_SIZE(all_output_options);
2827 int j;
2828 int rc = 0;
2829 char *str = strdup(arg);
2830 int type = -1;
2831 enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
2832
2833 if (!str)
2834 return -ENOMEM;
2835
2836 /* first word can state for which event type the user is specifying
2837 * the fields. If no type exists, the specified fields apply to all
2838 * event types found in the file minus the invalid fields for a type.
2839 */
2840 tok = strchr(str, ':');
2841 if (tok) {
2842 *tok = '\0';
2843 tok++;
2844 if (!strcmp(str, "hw"))
2845 type = PERF_TYPE_HARDWARE;
2846 else if (!strcmp(str, "sw"))
2847 type = PERF_TYPE_SOFTWARE;
2848 else if (!strcmp(str, "trace"))
2849 type = PERF_TYPE_TRACEPOINT;
2850 else if (!strcmp(str, "raw"))
2851 type = PERF_TYPE_RAW;
2852 else if (!strcmp(str, "break"))
2853 type = PERF_TYPE_BREAKPOINT;
2854 else if (!strcmp(str, "synth"))
2855 type = OUTPUT_TYPE_SYNTH;
2856 else {
2857 fprintf(stderr, "Invalid event type in field string.\n");
2858 rc = -EINVAL;
2859 goto out;
2860 }
2861
2862 if (output[type].user_set)
2863 pr_warning("Overriding previous field request for %s events.\n",
2864 event_type(type));
2865
2866 /* Don't override defaults for +- */
2867 if (strchr(tok, '+') || strchr(tok, '-'))
2868 goto parse;
2869
2870 output[type].fields = 0;
2871 output[type].user_set = true;
2872 output[type].wildcard_set = false;
2873
2874 } else {
2875 tok = str;
2876 if (strlen(str) == 0) {
2877 fprintf(stderr,
2878 "Cannot set fields to 'none' for all event types.\n");
2879 rc = -EINVAL;
2880 goto out;
2881 }
2882
2883 /* Don't override defaults for +- */
2884 if (strchr(str, '+') || strchr(str, '-'))
2885 goto parse;
2886
2887 if (output_set_by_user())
2888 pr_warning("Overriding previous field request for all events.\n");
2889
2890 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2891 output[j].fields = 0;
2892 output[j].user_set = true;
2893 output[j].wildcard_set = true;
2894 }
2895 }
2896
2897parse:
2898 for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
2899 if (*tok == '+') {
2900 if (change == SET)
2901 goto out_badmix;
2902 change = ADD;
2903 tok++;
2904 } else if (*tok == '-') {
2905 if (change == SET)
2906 goto out_badmix;
2907 change = REMOVE;
2908 tok++;
2909 } else {
2910 if (change != SET && change != DEFAULT)
2911 goto out_badmix;
2912 change = SET;
2913 }
2914
2915 for (i = 0; i < imax; ++i) {
2916 if (strcmp(tok, all_output_options[i].str) == 0)
2917 break;
2918 }
2919 if (i == imax && strcmp(tok, "flags") == 0) {
2920 print_flags = change != REMOVE;
2921 continue;
2922 }
2923 if (i == imax) {
2924 fprintf(stderr, "Invalid field requested.\n");
2925 rc = -EINVAL;
2926 goto out;
2927 }
2928
2929 if (type == -1) {
2930 /* add user option to all events types for
2931 * which it is valid
2932 */
2933 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2934 if (output[j].invalid_fields & all_output_options[i].field) {
2935 pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
2936 all_output_options[i].str, event_type(j));
2937 } else {
2938 if (change == REMOVE) {
2939 output[j].fields &= ~all_output_options[i].field;
2940 output[j].user_set_fields &= ~all_output_options[i].field;
2941 output[j].user_unset_fields |= all_output_options[i].field;
2942 } else {
2943 output[j].fields |= all_output_options[i].field;
2944 output[j].user_set_fields |= all_output_options[i].field;
2945 output[j].user_unset_fields &= ~all_output_options[i].field;
2946 }
2947 output[j].user_set = true;
2948 output[j].wildcard_set = true;
2949 }
2950 }
2951 } else {
2952 if (output[type].invalid_fields & all_output_options[i].field) {
2953 fprintf(stderr, "\'%s\' not valid for %s events.\n",
2954 all_output_options[i].str, event_type(type));
2955
2956 rc = -EINVAL;
2957 goto out;
2958 }
2959 if (change == REMOVE)
2960 output[type].fields &= ~all_output_options[i].field;
2961 else
2962 output[type].fields |= all_output_options[i].field;
2963 output[type].user_set = true;
2964 output[type].wildcard_set = true;
2965 }
2966 }
2967
2968 if (type >= 0) {
2969 if (output[type].fields == 0) {
2970 pr_debug("No fields requested for %s type. "
2971 "Events will not be displayed.\n", event_type(type));
2972 }
2973 }
2974 goto out;
2975
2976out_badmix:
2977 fprintf(stderr, "Cannot mix +-field with overridden fields\n");
2978 rc = -EINVAL;
2979out:
2980 free(str);
2981 return rc;
2982}
2983
2984#define for_each_lang(scripts_path, scripts_dir, lang_dirent) \
2985 while ((lang_dirent = readdir(scripts_dir)) != NULL) \
2986 if ((lang_dirent->d_type == DT_DIR || \
2987 (lang_dirent->d_type == DT_UNKNOWN && \
2988 is_directory(scripts_path, lang_dirent))) && \
2989 (strcmp(lang_dirent->d_name, ".")) && \
2990 (strcmp(lang_dirent->d_name, "..")))
2991
2992#define for_each_script(lang_path, lang_dir, script_dirent) \
2993 while ((script_dirent = readdir(lang_dir)) != NULL) \
2994 if (script_dirent->d_type != DT_DIR && \
2995 (script_dirent->d_type != DT_UNKNOWN || \
2996 !is_directory(lang_path, script_dirent)))
2997
2998
2999#define RECORD_SUFFIX "-record"
3000#define REPORT_SUFFIX "-report"
3001
3002struct script_desc {
3003 struct list_head node;
3004 char *name;
3005 char *half_liner;
3006 char *args;
3007};
3008
3009static LIST_HEAD(script_descs);
3010
3011static struct script_desc *script_desc__new(const char *name)
3012{
3013 struct script_desc *s = zalloc(sizeof(*s));
3014
3015 if (s != NULL && name)
3016 s->name = strdup(name);
3017
3018 return s;
3019}
3020
3021static void script_desc__delete(struct script_desc *s)
3022{
3023 zfree(&s->name);
3024 zfree(&s->half_liner);
3025 zfree(&s->args);
3026 free(s);
3027}
3028
3029static void script_desc__add(struct script_desc *s)
3030{
3031 list_add_tail(&s->node, &script_descs);
3032}
3033
3034static struct script_desc *script_desc__find(const char *name)
3035{
3036 struct script_desc *s;
3037
3038 list_for_each_entry(s, &script_descs, node)
3039 if (strcasecmp(s->name, name) == 0)
3040 return s;
3041 return NULL;
3042}
3043
3044static struct script_desc *script_desc__findnew(const char *name)
3045{
3046 struct script_desc *s = script_desc__find(name);
3047
3048 if (s)
3049 return s;
3050
3051 s = script_desc__new(name);
3052 if (!s)
3053 return NULL;
3054
3055 script_desc__add(s);
3056
3057 return s;
3058}
3059
3060static const char *ends_with(const char *str, const char *suffix)
3061{
3062 size_t suffix_len = strlen(suffix);
3063 const char *p = str;
3064
3065 if (strlen(str) > suffix_len) {
3066 p = str + strlen(str) - suffix_len;
3067 if (!strncmp(p, suffix, suffix_len))
3068 return p;
3069 }
3070
3071 return NULL;
3072}
3073
3074static int read_script_info(struct script_desc *desc, const char *filename)
3075{
3076 char line[BUFSIZ], *p;
3077 FILE *fp;
3078
3079 fp = fopen(filename, "r");
3080 if (!fp)
3081 return -1;
3082
3083 while (fgets(line, sizeof(line), fp)) {
3084 p = skip_spaces(line);
3085 if (strlen(p) == 0)
3086 continue;
3087 if (*p != '#')
3088 continue;
3089 p++;
3090 if (strlen(p) && *p == '!')
3091 continue;
3092
3093 p = skip_spaces(p);
3094 if (strlen(p) && p[strlen(p) - 1] == '\n')
3095 p[strlen(p) - 1] = '\0';
3096
3097 if (!strncmp(p, "description:", strlen("description:"))) {
3098 p += strlen("description:");
3099 desc->half_liner = strdup(skip_spaces(p));
3100 continue;
3101 }
3102
3103 if (!strncmp(p, "args:", strlen("args:"))) {
3104 p += strlen("args:");
3105 desc->args = strdup(skip_spaces(p));
3106 continue;
3107 }
3108 }
3109
3110 fclose(fp);
3111
3112 return 0;
3113}
3114
3115static char *get_script_root(struct dirent *script_dirent, const char *suffix)
3116{
3117 char *script_root, *str;
3118
3119 script_root = strdup(script_dirent->d_name);
3120 if (!script_root)
3121 return NULL;
3122
3123 str = (char *)ends_with(script_root, suffix);
3124 if (!str) {
3125 free(script_root);
3126 return NULL;
3127 }
3128
3129 *str = '\0';
3130 return script_root;
3131}
3132
3133static int list_available_scripts(const struct option *opt __maybe_unused,
3134 const char *s __maybe_unused,
3135 int unset __maybe_unused)
3136{
3137 struct dirent *script_dirent, *lang_dirent;
3138 char scripts_path[MAXPATHLEN];
3139 DIR *scripts_dir, *lang_dir;
3140 char script_path[MAXPATHLEN];
3141 char lang_path[MAXPATHLEN];
3142 struct script_desc *desc;
3143 char first_half[BUFSIZ];
3144 char *script_root;
3145
3146 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3147
3148 scripts_dir = opendir(scripts_path);
3149 if (!scripts_dir) {
3150 fprintf(stdout,
3151 "open(%s) failed.\n"
3152 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
3153 scripts_path);
3154 exit(-1);
3155 }
3156
3157 for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3158 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3159 lang_dirent->d_name);
3160 lang_dir = opendir(lang_path);
3161 if (!lang_dir)
3162 continue;
3163
3164 for_each_script(lang_path, lang_dir, script_dirent) {
3165 script_root = get_script_root(script_dirent, REPORT_SUFFIX);
3166 if (script_root) {
3167 desc = script_desc__findnew(script_root);
3168 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3169 lang_path, script_dirent->d_name);
3170 read_script_info(desc, script_path);
3171 free(script_root);
3172 }
3173 }
3174 }
3175
3176 fprintf(stdout, "List of available trace scripts:\n");
3177 list_for_each_entry(desc, &script_descs, node) {
3178 sprintf(first_half, "%s %s", desc->name,
3179 desc->args ? desc->args : "");
3180 fprintf(stdout, " %-36s %s\n", first_half,
3181 desc->half_liner ? desc->half_liner : "");
3182 }
3183
3184 exit(0);
3185}
3186
3187static int add_dlarg(const struct option *opt __maybe_unused,
3188 const char *s, int unset __maybe_unused)
3189{
3190 char *arg = strdup(s);
3191 void *a;
3192
3193 if (!arg)
3194 return -1;
3195
3196 a = realloc(dlargv, sizeof(dlargv[0]) * (dlargc + 1));
3197 if (!a) {
3198 free(arg);
3199 return -1;
3200 }
3201
3202 dlargv = a;
3203 dlargv[dlargc++] = arg;
3204
3205 return 0;
3206}
3207
3208static void free_dlarg(void)
3209{
3210 while (dlargc--)
3211 free(dlargv[dlargc]);
3212 free(dlargv);
3213}
3214
3215/*
3216 * Some scripts specify the required events in their "xxx-record" file,
3217 * this function will check if the events in perf.data match those
3218 * mentioned in the "xxx-record".
3219 *
3220 * Fixme: All existing "xxx-record" are all in good formats "-e event ",
3221 * which is covered well now. And new parsing code should be added to
3222 * cover the future complex formats like event groups etc.
3223 */
3224static int check_ev_match(char *dir_name, char *scriptname,
3225 struct perf_session *session)
3226{
3227 char filename[MAXPATHLEN], evname[128];
3228 char line[BUFSIZ], *p;
3229 struct evsel *pos;
3230 int match, len;
3231 FILE *fp;
3232
3233 scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
3234
3235 fp = fopen(filename, "r");
3236 if (!fp)
3237 return -1;
3238
3239 while (fgets(line, sizeof(line), fp)) {
3240 p = skip_spaces(line);
3241 if (*p == '#')
3242 continue;
3243
3244 while (strlen(p)) {
3245 p = strstr(p, "-e");
3246 if (!p)
3247 break;
3248
3249 p += 2;
3250 p = skip_spaces(p);
3251 len = strcspn(p, " \t");
3252 if (!len)
3253 break;
3254
3255 snprintf(evname, len + 1, "%s", p);
3256
3257 match = 0;
3258 evlist__for_each_entry(session->evlist, pos) {
3259 if (!strcmp(evsel__name(pos), evname)) {
3260 match = 1;
3261 break;
3262 }
3263 }
3264
3265 if (!match) {
3266 fclose(fp);
3267 return -1;
3268 }
3269 }
3270 }
3271
3272 fclose(fp);
3273 return 0;
3274}
3275
3276/*
3277 * Return -1 if none is found, otherwise the actual scripts number.
3278 *
3279 * Currently the only user of this function is the script browser, which
3280 * will list all statically runnable scripts, select one, execute it and
3281 * show the output in a perf browser.
3282 */
3283int find_scripts(char **scripts_array, char **scripts_path_array, int num,
3284 int pathlen)
3285{
3286 struct dirent *script_dirent, *lang_dirent;
3287 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
3288 DIR *scripts_dir, *lang_dir;
3289 struct perf_session *session;
3290 struct perf_data data = {
3291 .path = input_name,
3292 .mode = PERF_DATA_MODE_READ,
3293 };
3294 char *temp;
3295 int i = 0;
3296
3297 session = perf_session__new(&data, false, NULL);
3298 if (IS_ERR(session))
3299 return PTR_ERR(session);
3300
3301 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3302
3303 scripts_dir = opendir(scripts_path);
3304 if (!scripts_dir) {
3305 perf_session__delete(session);
3306 return -1;
3307 }
3308
3309 for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3310 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
3311 lang_dirent->d_name);
3312#ifndef HAVE_LIBPERL_SUPPORT
3313 if (strstr(lang_path, "perl"))
3314 continue;
3315#endif
3316#ifndef HAVE_LIBPYTHON_SUPPORT
3317 if (strstr(lang_path, "python"))
3318 continue;
3319#endif
3320
3321 lang_dir = opendir(lang_path);
3322 if (!lang_dir)
3323 continue;
3324
3325 for_each_script(lang_path, lang_dir, script_dirent) {
3326 /* Skip those real time scripts: xxxtop.p[yl] */
3327 if (strstr(script_dirent->d_name, "top."))
3328 continue;
3329 if (i >= num)
3330 break;
3331 snprintf(scripts_path_array[i], pathlen, "%s/%s",
3332 lang_path,
3333 script_dirent->d_name);
3334 temp = strchr(script_dirent->d_name, '.');
3335 snprintf(scripts_array[i],
3336 (temp - script_dirent->d_name) + 1,
3337 "%s", script_dirent->d_name);
3338
3339 if (check_ev_match(lang_path,
3340 scripts_array[i], session))
3341 continue;
3342
3343 i++;
3344 }
3345 closedir(lang_dir);
3346 }
3347
3348 closedir(scripts_dir);
3349 perf_session__delete(session);
3350 return i;
3351}
3352
3353static char *get_script_path(const char *script_root, const char *suffix)
3354{
3355 struct dirent *script_dirent, *lang_dirent;
3356 char scripts_path[MAXPATHLEN];
3357 char script_path[MAXPATHLEN];
3358 DIR *scripts_dir, *lang_dir;
3359 char lang_path[MAXPATHLEN];
3360 char *__script_root;
3361
3362 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3363
3364 scripts_dir = opendir(scripts_path);
3365 if (!scripts_dir)
3366 return NULL;
3367
3368 for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3369 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3370 lang_dirent->d_name);
3371 lang_dir = opendir(lang_path);
3372 if (!lang_dir)
3373 continue;
3374
3375 for_each_script(lang_path, lang_dir, script_dirent) {
3376 __script_root = get_script_root(script_dirent, suffix);
3377 if (__script_root && !strcmp(script_root, __script_root)) {
3378 free(__script_root);
3379 closedir(scripts_dir);
3380 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3381 lang_path, script_dirent->d_name);
3382 closedir(lang_dir);
3383 return strdup(script_path);
3384 }
3385 free(__script_root);
3386 }
3387 closedir(lang_dir);
3388 }
3389 closedir(scripts_dir);
3390
3391 return NULL;
3392}
3393
3394static bool is_top_script(const char *script_path)
3395{
3396 return ends_with(script_path, "top") != NULL;
3397}
3398
3399static int has_required_arg(char *script_path)
3400{
3401 struct script_desc *desc;
3402 int n_args = 0;
3403 char *p;
3404
3405 desc = script_desc__new(NULL);
3406
3407 if (read_script_info(desc, script_path))
3408 goto out;
3409
3410 if (!desc->args)
3411 goto out;
3412
3413 for (p = desc->args; *p; p++)
3414 if (*p == '<')
3415 n_args++;
3416out:
3417 script_desc__delete(desc);
3418
3419 return n_args;
3420}
3421
3422static int have_cmd(int argc, const char **argv)
3423{
3424 char **__argv = malloc(sizeof(const char *) * argc);
3425
3426 if (!__argv) {
3427 pr_err("malloc failed\n");
3428 return -1;
3429 }
3430
3431 memcpy(__argv, argv, sizeof(const char *) * argc);
3432 argc = parse_options(argc, (const char **)__argv, record_options,
3433 NULL, PARSE_OPT_STOP_AT_NON_OPTION);
3434 free(__argv);
3435
3436 system_wide = (argc == 0);
3437
3438 return 0;
3439}
3440
3441static void script__setup_sample_type(struct perf_script *script)
3442{
3443 struct perf_session *session = script->session;
3444 u64 sample_type = evlist__combined_sample_type(session->evlist);
3445
3446 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
3447 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
3448 (sample_type & PERF_SAMPLE_STACK_USER)) {
3449 callchain_param.record_mode = CALLCHAIN_DWARF;
3450 dwarf_callchain_users = true;
3451 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
3452 callchain_param.record_mode = CALLCHAIN_LBR;
3453 else
3454 callchain_param.record_mode = CALLCHAIN_FP;
3455 }
3456
3457 if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) {
3458 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
3459 "Please apply --call-graph lbr when recording.\n");
3460 script->stitch_lbr = false;
3461 }
3462}
3463
3464static int process_stat_round_event(struct perf_session *session,
3465 union perf_event *event)
3466{
3467 struct perf_record_stat_round *round = &event->stat_round;
3468 struct evsel *counter;
3469
3470 evlist__for_each_entry(session->evlist, counter) {
3471 perf_stat_process_counter(&stat_config, counter);
3472 process_stat(counter, round->time);
3473 }
3474
3475 process_stat_interval(round->time);
3476 return 0;
3477}
3478
3479static int process_stat_config_event(struct perf_session *session __maybe_unused,
3480 union perf_event *event)
3481{
3482 perf_event__read_stat_config(&stat_config, &event->stat_config);
3483 return 0;
3484}
3485
3486static int set_maps(struct perf_script *script)
3487{
3488 struct evlist *evlist = script->session->evlist;
3489
3490 if (!script->cpus || !script->threads)
3491 return 0;
3492
3493 if (WARN_ONCE(script->allocated, "stats double allocation\n"))
3494 return -EINVAL;
3495
3496 perf_evlist__set_maps(&evlist->core, script->cpus, script->threads);
3497
3498 if (evlist__alloc_stats(evlist, true))
3499 return -ENOMEM;
3500
3501 script->allocated = true;
3502 return 0;
3503}
3504
3505static
3506int process_thread_map_event(struct perf_session *session,
3507 union perf_event *event)
3508{
3509 struct perf_tool *tool = session->tool;
3510 struct perf_script *script = container_of(tool, struct perf_script, tool);
3511
3512 if (script->threads) {
3513 pr_warning("Extra thread map event, ignoring.\n");
3514 return 0;
3515 }
3516
3517 script->threads = thread_map__new_event(&event->thread_map);
3518 if (!script->threads)
3519 return -ENOMEM;
3520
3521 return set_maps(script);
3522}
3523
3524static
3525int process_cpu_map_event(struct perf_session *session,
3526 union perf_event *event)
3527{
3528 struct perf_tool *tool = session->tool;
3529 struct perf_script *script = container_of(tool, struct perf_script, tool);
3530
3531 if (script->cpus) {
3532 pr_warning("Extra cpu map event, ignoring.\n");
3533 return 0;
3534 }
3535
3536 script->cpus = cpu_map__new_data(&event->cpu_map.data);
3537 if (!script->cpus)
3538 return -ENOMEM;
3539
3540 return set_maps(script);
3541}
3542
3543static int process_feature_event(struct perf_session *session,
3544 union perf_event *event)
3545{
3546 if (event->feat.feat_id < HEADER_LAST_FEATURE)
3547 return perf_event__process_feature(session, event);
3548 return 0;
3549}
3550
3551#ifdef HAVE_AUXTRACE_SUPPORT
3552static int perf_script__process_auxtrace_info(struct perf_session *session,
3553 union perf_event *event)
3554{
3555 struct perf_tool *tool = session->tool;
3556
3557 int ret = perf_event__process_auxtrace_info(session, event);
3558
3559 if (ret == 0) {
3560 struct perf_script *script = container_of(tool, struct perf_script, tool);
3561
3562 ret = perf_script__setup_per_event_dump(script);
3563 }
3564
3565 return ret;
3566}
3567#else
3568#define perf_script__process_auxtrace_info 0
3569#endif
3570
3571static int parse_insn_trace(const struct option *opt __maybe_unused,
3572 const char *str __maybe_unused,
3573 int unset __maybe_unused)
3574{
3575 parse_output_fields(NULL, "+insn,-event,-period", 0);
3576 itrace_parse_synth_opts(opt, "i0ns", 0);
3577 symbol_conf.nanosecs = true;
3578 return 0;
3579}
3580
3581static int parse_xed(const struct option *opt __maybe_unused,
3582 const char *str __maybe_unused,
3583 int unset __maybe_unused)
3584{
3585 if (isatty(1))
3586 force_pager("xed -F insn: -A -64 | less");
3587 else
3588 force_pager("xed -F insn: -A -64");
3589 return 0;
3590}
3591
3592static int parse_call_trace(const struct option *opt __maybe_unused,
3593 const char *str __maybe_unused,
3594 int unset __maybe_unused)
3595{
3596 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
3597 itrace_parse_synth_opts(opt, "cewp", 0);
3598 symbol_conf.nanosecs = true;
3599 symbol_conf.pad_output_len_dso = 50;
3600 return 0;
3601}
3602
3603static int parse_callret_trace(const struct option *opt __maybe_unused,
3604 const char *str __maybe_unused,
3605 int unset __maybe_unused)
3606{
3607 parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
3608 itrace_parse_synth_opts(opt, "crewp", 0);
3609 symbol_conf.nanosecs = true;
3610 return 0;
3611}
3612
3613int cmd_script(int argc, const char **argv)
3614{
3615 bool show_full_info = false;
3616 bool header = false;
3617 bool header_only = false;
3618 bool script_started = false;
3619 char *rec_script_path = NULL;
3620 char *rep_script_path = NULL;
3621 struct perf_session *session;
3622 struct itrace_synth_opts itrace_synth_opts = {
3623 .set = false,
3624 .default_no_sample = true,
3625 };
3626 struct utsname uts;
3627 char *script_path = NULL;
3628 const char *dlfilter_file = NULL;
3629 const char **__argv;
3630 int i, j, err = 0;
3631 struct perf_script script = {
3632 .tool = {
3633 .sample = process_sample_event,
3634 .mmap = perf_event__process_mmap,
3635 .mmap2 = perf_event__process_mmap2,
3636 .comm = perf_event__process_comm,
3637 .namespaces = perf_event__process_namespaces,
3638 .cgroup = perf_event__process_cgroup,
3639 .exit = perf_event__process_exit,
3640 .fork = perf_event__process_fork,
3641 .attr = process_attr,
3642 .event_update = perf_event__process_event_update,
3643 .tracing_data = perf_event__process_tracing_data,
3644 .feature = process_feature_event,
3645 .build_id = perf_event__process_build_id,
3646 .id_index = perf_event__process_id_index,
3647 .auxtrace_info = perf_script__process_auxtrace_info,
3648 .auxtrace = perf_event__process_auxtrace,
3649 .auxtrace_error = perf_event__process_auxtrace_error,
3650 .stat = perf_event__process_stat_event,
3651 .stat_round = process_stat_round_event,
3652 .stat_config = process_stat_config_event,
3653 .thread_map = process_thread_map_event,
3654 .cpu_map = process_cpu_map_event,
3655 .ordered_events = true,
3656 .ordering_requires_timestamps = true,
3657 },
3658 };
3659 struct perf_data data = {
3660 .mode = PERF_DATA_MODE_READ,
3661 };
3662 const struct option options[] = {
3663 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3664 "dump raw trace in ASCII"),
3665 OPT_INCR('v', "verbose", &verbose,
3666 "be more verbose (show symbol address, etc)"),
3667 OPT_BOOLEAN('L', "Latency", &latency_format,
3668 "show latency attributes (irqs/preemption disabled, etc)"),
3669 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3670 list_available_scripts),
3671 OPT_CALLBACK_NOOPT(0, "list-dlfilters", NULL, NULL, "list available dlfilters",
3672 list_available_dlfilters),
3673 OPT_CALLBACK('s', "script", NULL, "name",
3674 "script file name (lang:script name, script name, or *)",
3675 parse_scriptname),
3676 OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3677 "generate perf-script.xx script in specified language"),
3678 OPT_STRING(0, "dlfilter", &dlfilter_file, "file", "filter .so file name"),
3679 OPT_CALLBACK(0, "dlarg", NULL, "argument", "filter argument",
3680 add_dlarg),
3681 OPT_STRING('i', "input", &input_name, "file", "input file name"),
3682 OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3683 "do various checks like samples ordering and lost events"),
3684 OPT_BOOLEAN(0, "header", &header, "Show data header."),
3685 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3686 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3687 "file", "vmlinux pathname"),
3688 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3689 "file", "kallsyms pathname"),
3690 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3691 "When printing symbols do not display call chain"),
3692 OPT_CALLBACK(0, "symfs", NULL, "directory",
3693 "Look for files with symbols relative to this directory",
3694 symbol__config_symfs),
3695 OPT_CALLBACK('F', "fields", NULL, "str",
3696 "comma separated output fields prepend with 'type:'. "
3697 "+field to add and -field to remove."
3698 "Valid types: hw,sw,trace,raw,synth. "
3699 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
3700 "addr,symoff,srcline,period,iregs,uregs,brstack,"
3701 "brstacksym,flags,bpf-output,brstackinsn,brstackoff,"
3702 "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc,tod,"
3703 "data_page_size,code_page_size",
3704 parse_output_fields),
3705 OPT_BOOLEAN('a', "all-cpus", &system_wide,
3706 "system-wide collection from all CPUs"),
3707 OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
3708 "only consider symbols in these DSOs"),
3709 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3710 "only consider these symbols"),
3711 OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range,
3712 "Use with -S to list traced records within address range"),
3713 OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL,
3714 "Decode instructions from itrace", parse_insn_trace),
3715 OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
3716 "Run xed disassembler on output", parse_xed),
3717 OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
3718 "Decode calls from from itrace", parse_call_trace),
3719 OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
3720 "Decode calls and returns from itrace", parse_callret_trace),
3721 OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",
3722 "Only print symbols and callees with --call-trace/--call-ret-trace"),
3723 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3724 "Stop display of callgraph at these symbols"),
3725 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3726 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3727 "only display events for these comms"),
3728 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3729 "only consider symbols in these pids"),
3730 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3731 "only consider symbols in these tids"),
3732 OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3733 "Set the maximum stack depth when parsing the callchain, "
3734 "anything beyond the specified depth will be ignored. "
3735 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3736 OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"),
3737 OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"),
3738 OPT_BOOLEAN('I', "show-info", &show_full_info,
3739 "display extended information from perf.data file"),
3740 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3741 "Show the path of [kernel.kallsyms]"),
3742 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3743 "Show the fork/comm/exit events"),
3744 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3745 "Show the mmap events"),
3746 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3747 "Show context switch events (if recorded)"),
3748 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3749 "Show namespace events (if recorded)"),
3750 OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events,
3751 "Show cgroup events (if recorded)"),
3752 OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3753 "Show lost events (if recorded)"),
3754 OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3755 "Show round events (if recorded)"),
3756 OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events,
3757 "Show bpf related events (if recorded)"),
3758 OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events,
3759 "Show text poke related events (if recorded)"),
3760 OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
3761 "Dump trace output to files named by the monitored events"),
3762 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3763 OPT_INTEGER(0, "max-blocks", &max_blocks,
3764 "Maximum number of code blocks to dump with brstackinsn"),
3765 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs,
3766 "Use 9 decimal places when displaying time"),
3767 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
3768 "Instruction Tracing options\n" ITRACE_HELP,
3769 itrace_parse_synth_opts),
3770 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
3771 "Show full source file name path for source lines"),
3772 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
3773 "Enable symbol demangling"),
3774 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
3775 "Enable kernel symbol demangling"),
3776 OPT_STRING(0, "time", &script.time_str, "str",
3777 "Time span of interest (start,stop)"),
3778 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
3779 "Show inline function"),
3780 OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
3781 "guest mount directory under which every guest os"
3782 " instance has a subdir"),
3783 OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name,
3784 "file", "file saving guest os vmlinux"),
3785 OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms,
3786 "file", "file saving guest os /proc/kallsyms"),
3787 OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
3788 "file", "file saving guest os /proc/modules"),
3789 OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr,
3790 "Enable LBR callgraph stitching approach"),
3791 OPTS_EVSWITCH(&script.evswitch),
3792 OPT_END()
3793 };
3794 const char * const script_subcommands[] = { "record", "report", NULL };
3795 const char *script_usage[] = {
3796 "perf script [<options>]",
3797 "perf script [<options>] record <script> [<record-options>] <command>",
3798 "perf script [<options>] report <script> [script-args]",
3799 "perf script [<options>] <script> [<record-options>] <command>",
3800 "perf script [<options>] <top-script> [script-args]",
3801 NULL
3802 };
3803
3804 perf_set_singlethreaded();
3805
3806 setup_scripting();
3807
3808 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3809 PARSE_OPT_STOP_AT_NON_OPTION);
3810
3811 if (symbol_conf.guestmount ||
3812 symbol_conf.default_guest_vmlinux_name ||
3813 symbol_conf.default_guest_kallsyms ||
3814 symbol_conf.default_guest_modules) {
3815 /*
3816 * Enable guest sample processing.
3817 */
3818 perf_guest = true;
3819 }
3820
3821 data.path = input_name;
3822 data.force = symbol_conf.force;
3823
3824 if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
3825 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
3826 if (!rec_script_path)
3827 return cmd_record(argc, argv);
3828 }
3829
3830 if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
3831 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
3832 if (!rep_script_path) {
3833 fprintf(stderr,
3834 "Please specify a valid report script"
3835 "(see 'perf script -l' for listing)\n");
3836 return -1;
3837 }
3838 }
3839
3840 if (reltime && deltatime) {
3841 fprintf(stderr,
3842 "reltime and deltatime - the two don't get along well. "
3843 "Please limit to --reltime or --deltatime.\n");
3844 return -1;
3845 }
3846
3847 if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) &&
3848 itrace_synth_opts.callchain_sz > scripting_max_stack)
3849 scripting_max_stack = itrace_synth_opts.callchain_sz;
3850
3851 /* make sure PERF_EXEC_PATH is set for scripts */
3852 set_argv_exec_path(get_argv_exec_path());
3853
3854 if (argc && !script_name && !rec_script_path && !rep_script_path) {
3855 int live_pipe[2];
3856 int rep_args;
3857 pid_t pid;
3858
3859 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
3860 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
3861
3862 if (!rec_script_path && !rep_script_path) {
3863 script_name = find_script(argv[0]);
3864 if (script_name) {
3865 argc -= 1;
3866 argv += 1;
3867 goto script_found;
3868 }
3869 usage_with_options_msg(script_usage, options,
3870 "Couldn't find script `%s'\n\n See perf"
3871 " script -l for available scripts.\n", argv[0]);
3872 }
3873
3874 if (is_top_script(argv[0])) {
3875 rep_args = argc - 1;
3876 } else {
3877 int rec_args;
3878
3879 rep_args = has_required_arg(rep_script_path);
3880 rec_args = (argc - 1) - rep_args;
3881 if (rec_args < 0) {
3882 usage_with_options_msg(script_usage, options,
3883 "`%s' script requires options."
3884 "\n\n See perf script -l for available "
3885 "scripts and options.\n", argv[0]);
3886 }
3887 }
3888
3889 if (pipe(live_pipe) < 0) {
3890 perror("failed to create pipe");
3891 return -1;
3892 }
3893
3894 pid = fork();
3895 if (pid < 0) {
3896 perror("failed to fork");
3897 return -1;
3898 }
3899
3900 if (!pid) {
3901 j = 0;
3902
3903 dup2(live_pipe[1], 1);
3904 close(live_pipe[0]);
3905
3906 if (is_top_script(argv[0])) {
3907 system_wide = true;
3908 } else if (!system_wide) {
3909 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
3910 err = -1;
3911 goto out;
3912 }
3913 }
3914
3915 __argv = malloc((argc + 6) * sizeof(const char *));
3916 if (!__argv) {
3917 pr_err("malloc failed\n");
3918 err = -ENOMEM;
3919 goto out;
3920 }
3921
3922 __argv[j++] = "/bin/sh";
3923 __argv[j++] = rec_script_path;
3924 if (system_wide)
3925 __argv[j++] = "-a";
3926 __argv[j++] = "-q";
3927 __argv[j++] = "-o";
3928 __argv[j++] = "-";
3929 for (i = rep_args + 1; i < argc; i++)
3930 __argv[j++] = argv[i];
3931 __argv[j++] = NULL;
3932
3933 execvp("/bin/sh", (char **)__argv);
3934 free(__argv);
3935 exit(-1);
3936 }
3937
3938 dup2(live_pipe[0], 0);
3939 close(live_pipe[1]);
3940
3941 __argv = malloc((argc + 4) * sizeof(const char *));
3942 if (!__argv) {
3943 pr_err("malloc failed\n");
3944 err = -ENOMEM;
3945 goto out;
3946 }
3947
3948 j = 0;
3949 __argv[j++] = "/bin/sh";
3950 __argv[j++] = rep_script_path;
3951 for (i = 1; i < rep_args + 1; i++)
3952 __argv[j++] = argv[i];
3953 __argv[j++] = "-i";
3954 __argv[j++] = "-";
3955 __argv[j++] = NULL;
3956
3957 execvp("/bin/sh", (char **)__argv);
3958 free(__argv);
3959 exit(-1);
3960 }
3961script_found:
3962 if (rec_script_path)
3963 script_path = rec_script_path;
3964 if (rep_script_path)
3965 script_path = rep_script_path;
3966
3967 if (script_path) {
3968 j = 0;
3969
3970 if (!rec_script_path)
3971 system_wide = false;
3972 else if (!system_wide) {
3973 if (have_cmd(argc - 1, &argv[1]) != 0) {
3974 err = -1;
3975 goto out;
3976 }
3977 }
3978
3979 __argv = malloc((argc + 2) * sizeof(const char *));
3980 if (!__argv) {
3981 pr_err("malloc failed\n");
3982 err = -ENOMEM;
3983 goto out;
3984 }
3985
3986 __argv[j++] = "/bin/sh";
3987 __argv[j++] = script_path;
3988 if (system_wide)
3989 __argv[j++] = "-a";
3990 for (i = 2; i < argc; i++)
3991 __argv[j++] = argv[i];
3992 __argv[j++] = NULL;
3993
3994 execvp("/bin/sh", (char **)__argv);
3995 free(__argv);
3996 exit(-1);
3997 }
3998
3999 if (dlfilter_file) {
4000 dlfilter = dlfilter__new(dlfilter_file, dlargc, dlargv);
4001 if (!dlfilter)
4002 return -1;
4003 }
4004
4005 if (!script_name) {
4006 setup_pager();
4007 use_browser = 0;
4008 }
4009
4010 session = perf_session__new(&data, false, &script.tool);
4011 if (IS_ERR(session))
4012 return PTR_ERR(session);
4013
4014 if (header || header_only) {
4015 script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
4016 perf_session__fprintf_info(session, stdout, show_full_info);
4017 if (header_only)
4018 goto out_delete;
4019 }
4020 if (show_full_info)
4021 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
4022
4023 if (symbol__init(&session->header.env) < 0)
4024 goto out_delete;
4025
4026 uname(&uts);
4027 if (data.is_pipe || /* assume pipe_mode indicates native_arch */
4028 !strcmp(uts.machine, session->header.env.arch) ||
4029 (!strcmp(uts.machine, "x86_64") &&
4030 !strcmp(session->header.env.arch, "i386")))
4031 native_arch = true;
4032
4033 script.session = session;
4034 script__setup_sample_type(&script);
4035
4036 if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) ||
4037 symbol_conf.graph_function)
4038 itrace_synth_opts.thread_stack = true;
4039
4040 session->itrace_synth_opts = &itrace_synth_opts;
4041
4042 if (cpu_list) {
4043 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
4044 if (err < 0)
4045 goto out_delete;
4046 itrace_synth_opts.cpu_bitmap = cpu_bitmap;
4047 }
4048
4049 if (!no_callchain)
4050 symbol_conf.use_callchain = true;
4051 else
4052 symbol_conf.use_callchain = false;
4053
4054 if (session->tevent.pevent &&
4055 tep_set_function_resolver(session->tevent.pevent,
4056 machine__resolve_kernel_addr,
4057 &session->machines.host) < 0) {
4058 pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
4059 err = -1;
4060 goto out_delete;
4061 }
4062
4063 if (generate_script_lang) {
4064 struct stat perf_stat;
4065 int input;
4066
4067 if (output_set_by_user()) {
4068 fprintf(stderr,
4069 "custom fields not supported for generated scripts");
4070 err = -EINVAL;
4071 goto out_delete;
4072 }
4073
4074 input = open(data.path, O_RDONLY); /* input_name */
4075 if (input < 0) {
4076 err = -errno;
4077 perror("failed to open file");
4078 goto out_delete;
4079 }
4080
4081 err = fstat(input, &perf_stat);
4082 if (err < 0) {
4083 perror("failed to stat file");
4084 goto out_delete;
4085 }
4086
4087 if (!perf_stat.st_size) {
4088 fprintf(stderr, "zero-sized file, nothing to do!\n");
4089 goto out_delete;
4090 }
4091
4092 scripting_ops = script_spec__lookup(generate_script_lang);
4093 if (!scripting_ops) {
4094 fprintf(stderr, "invalid language specifier");
4095 err = -ENOENT;
4096 goto out_delete;
4097 }
4098
4099 err = scripting_ops->generate_script(session->tevent.pevent,
4100 "perf-script");
4101 goto out_delete;
4102 }
4103
4104 err = dlfilter__start(dlfilter, session);
4105 if (err)
4106 goto out_delete;
4107
4108 if (script_name) {
4109 err = scripting_ops->start_script(script_name, argc, argv, session);
4110 if (err)
4111 goto out_delete;
4112 pr_debug("perf script started with script %s\n\n", script_name);
4113 script_started = true;
4114 }
4115
4116
4117 err = perf_session__check_output_opt(session);
4118 if (err < 0)
4119 goto out_delete;
4120
4121 if (script.time_str) {
4122 err = perf_time__parse_for_ranges_reltime(script.time_str, session,
4123 &script.ptime_range,
4124 &script.range_size,
4125 &script.range_num,
4126 reltime);
4127 if (err < 0)
4128 goto out_delete;
4129
4130 itrace_synth_opts__set_time_range(&itrace_synth_opts,
4131 script.ptime_range,
4132 script.range_num);
4133 }
4134
4135 err = evswitch__init(&script.evswitch, session->evlist, stderr);
4136 if (err)
4137 goto out_delete;
4138
4139 if (zstd_init(&(session->zstd_data), 0) < 0)
4140 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n");
4141
4142 err = __cmd_script(&script);
4143
4144 flush_scripting();
4145
4146out_delete:
4147 if (script.ptime_range) {
4148 itrace_synth_opts__clear_time_range(&itrace_synth_opts);
4149 zfree(&script.ptime_range);
4150 }
4151
4152 zstd_fini(&(session->zstd_data));
4153 evlist__free_stats(session->evlist);
4154 perf_session__delete(session);
4155 perf_script__exit(&script);
4156
4157 if (script_started)
4158 cleanup_scripting();
4159 dlfilter__cleanup(dlfilter);
4160 free_dlarg();
4161out:
4162 return err;
4163}