4 * Builtin record command: Record the profile of a workload
5 * (or a CPU, or a PID) into the perf.data output file - for
6 * later analysis via perf report.
12 #include "util/build-id.h"
13 #include "util/util.h"
14 #include "util/parse-options.h"
15 #include "util/parse-events.h"
17 #include "util/header.h"
18 #include "util/event.h"
19 #include "util/evlist.h"
20 #include "util/evsel.h"
21 #include "util/debug.h"
22 #include "util/session.h"
23 #include "util/tool.h"
24 #include "util/symbol.h"
25 #include "util/cpumap.h"
26 #include "util/thread_map.h"
27 #include "util/data.h"
33 #ifndef HAVE_ON_EXIT_SUPPORT
37 static int __on_exit_count = 0;
38 typedef void (*on_exit_func_t) (int, void *);
39 static on_exit_func_t __on_exit_funcs[ATEXIT_MAX];
40 static void *__on_exit_args[ATEXIT_MAX];
41 static int __exitcode = 0;
42 static void __handle_on_exit_funcs(void);
43 static int on_exit(on_exit_func_t function, void *arg);
44 #define exit(x) (exit)(__exitcode = (x))
46 static int on_exit(on_exit_func_t function, void *arg)
48 if (__on_exit_count == ATEXIT_MAX)
50 else if (__on_exit_count == 0)
51 atexit(__handle_on_exit_funcs);
52 __on_exit_funcs[__on_exit_count] = function;
53 __on_exit_args[__on_exit_count++] = arg;
57 static void __handle_on_exit_funcs(void)
60 for (i = 0; i < __on_exit_count; i++)
61 __on_exit_funcs[i] (__exitcode, __on_exit_args[i]);
66 struct perf_tool tool;
67 struct perf_record_opts opts;
69 struct perf_data_file file;
70 struct perf_evlist *evlist;
71 struct perf_session *session;
75 bool no_buildid_cache;
79 static int write_output(struct perf_record *rec, void *buf, size_t size)
81 struct perf_data_file *file = &rec->file;
84 int ret = write(file->fd, buf, size);
87 pr_err("failed to write perf data, error: %m\n");
94 rec->bytes_written += ret;
100 static int process_synthesized_event(struct perf_tool *tool,
101 union perf_event *event,
102 struct perf_sample *sample __maybe_unused,
103 struct machine *machine __maybe_unused)
105 struct perf_record *rec = container_of(tool, struct perf_record, tool);
106 if (write_output(rec, event, event->header.size) < 0)
112 static int perf_record__mmap_read(struct perf_record *rec,
113 struct perf_mmap *md)
115 unsigned int head = perf_mmap__read_head(md);
116 unsigned int old = md->prev;
117 unsigned char *data = md->base + page_size;
129 if ((old & md->mask) + size != (head & md->mask)) {
130 buf = &data[old & md->mask];
131 size = md->mask + 1 - (old & md->mask);
134 if (write_output(rec, buf, size) < 0) {
140 buf = &data[old & md->mask];
144 if (write_output(rec, buf, size) < 0) {
150 perf_mmap__write_tail(md, old);
156 static volatile int done = 0;
157 static volatile int signr = -1;
158 static volatile int child_finished = 0;
160 static void sig_handler(int sig)
169 static void perf_record__sig_exit(int exit_status __maybe_unused, void *arg)
171 struct perf_record *rec = arg;
174 if (rec->evlist->workload.pid > 0) {
176 kill(rec->evlist->workload.pid, SIGTERM);
179 if (WIFSIGNALED(status))
180 psignal(WTERMSIG(status), rec->progname);
183 if (signr == -1 || signr == SIGUSR1)
186 signal(signr, SIG_DFL);
189 static int perf_record__open(struct perf_record *rec)
192 struct perf_evsel *pos;
193 struct perf_evlist *evlist = rec->evlist;
194 struct perf_session *session = rec->session;
195 struct perf_record_opts *opts = &rec->opts;
198 perf_evlist__config(evlist, opts);
200 list_for_each_entry(pos, &evlist->entries, node) {
202 if (perf_evsel__open(pos, evlist->cpus, evlist->threads) < 0) {
203 if (perf_evsel__fallback(pos, errno, msg, sizeof(msg))) {
205 ui__warning("%s\n", msg);
210 perf_evsel__open_strerror(pos, &opts->target,
211 errno, msg, sizeof(msg));
212 ui__error("%s\n", msg);
217 if (perf_evlist__apply_filters(evlist)) {
218 error("failed to set filter with %d (%s)\n", errno,
224 if (perf_evlist__mmap(evlist, opts->mmap_pages, false) < 0) {
225 if (errno == EPERM) {
226 pr_err("Permission error mapping pages.\n"
227 "Consider increasing "
228 "/proc/sys/kernel/perf_event_mlock_kb,\n"
229 "or try again with a smaller value of -m/--mmap_pages.\n"
230 "(current value: %d)\n", opts->mmap_pages);
233 pr_err("failed to mmap with %d (%s)\n", errno, strerror(errno));
239 session->evlist = evlist;
240 perf_session__set_id_hdr_size(session);
245 static int process_buildids(struct perf_record *rec)
247 struct perf_data_file *file = &rec->file;
248 struct perf_session *session = rec->session;
249 u64 start = session->header.data_offset;
251 u64 size = lseek(file->fd, 0, SEEK_CUR);
255 return __perf_session__process_events(session, start,
257 size, &build_id__mark_dso_hit_ops);
260 static void perf_record__exit(int status, void *arg)
262 struct perf_record *rec = arg;
263 struct perf_data_file *file = &rec->file;
268 if (!file->is_pipe) {
269 rec->session->header.data_size += rec->bytes_written;
271 if (!rec->no_buildid)
272 process_buildids(rec);
273 perf_session__write_header(rec->session, rec->evlist,
275 perf_session__delete(rec->session);
276 perf_evlist__delete(rec->evlist);
281 static void perf_event__synthesize_guest_os(struct machine *machine, void *data)
284 struct perf_tool *tool = data;
286 *As for guest kernel when processing subcommand record&report,
287 *we arrange module mmap prior to guest kernel mmap and trigger
288 *a preload dso because default guest module symbols are loaded
289 *from guest kallsyms instead of /lib/modules/XXX/XXX. This
290 *method is used to avoid symbol missing when the first addr is
291 *in module instead of in guest kernel.
293 err = perf_event__synthesize_modules(tool, process_synthesized_event,
296 pr_err("Couldn't record guest kernel [%d]'s reference"
297 " relocation symbol.\n", machine->pid);
300 * We use _stext for guest kernel because guest kernel's /proc/kallsyms
301 * have no _text sometimes.
303 err = perf_event__synthesize_kernel_mmap(tool, process_synthesized_event,
306 err = perf_event__synthesize_kernel_mmap(tool, process_synthesized_event,
309 pr_err("Couldn't record guest kernel [%d]'s reference"
310 " relocation symbol.\n", machine->pid);
313 static struct perf_event_header finished_round_event = {
314 .size = sizeof(struct perf_event_header),
315 .type = PERF_RECORD_FINISHED_ROUND,
318 static int perf_record__mmap_read_all(struct perf_record *rec)
323 for (i = 0; i < rec->evlist->nr_mmaps; i++) {
324 if (rec->evlist->mmap[i].base) {
325 if (perf_record__mmap_read(rec, &rec->evlist->mmap[i]) != 0) {
332 if (perf_header__has_feat(&rec->session->header, HEADER_TRACING_DATA))
333 rc = write_output(rec, &finished_round_event,
334 sizeof(finished_round_event));
340 static void perf_record__init_features(struct perf_record *rec)
342 struct perf_evlist *evsel_list = rec->evlist;
343 struct perf_session *session = rec->session;
346 for (feat = HEADER_FIRST_FEATURE; feat < HEADER_LAST_FEATURE; feat++)
347 perf_header__set_feat(&session->header, feat);
350 perf_header__clear_feat(&session->header, HEADER_BUILD_ID);
352 if (!have_tracepoints(&evsel_list->entries))
353 perf_header__clear_feat(&session->header, HEADER_TRACING_DATA);
355 if (!rec->opts.branch_stack)
356 perf_header__clear_feat(&session->header, HEADER_BRANCH_STACK);
359 static int __cmd_record(struct perf_record *rec, int argc, const char **argv)
362 unsigned long waking = 0;
363 const bool forks = argc > 0;
364 struct machine *machine;
365 struct perf_tool *tool = &rec->tool;
366 struct perf_record_opts *opts = &rec->opts;
367 struct perf_evlist *evsel_list = rec->evlist;
368 struct perf_data_file *file = &rec->file;
369 struct perf_session *session;
370 bool disabled = false;
372 rec->progname = argv[0];
374 on_exit(perf_record__sig_exit, rec);
375 signal(SIGCHLD, sig_handler);
376 signal(SIGINT, sig_handler);
377 signal(SIGUSR1, sig_handler);
378 signal(SIGTERM, sig_handler);
380 session = perf_session__new(file, false, NULL);
381 if (session == NULL) {
382 pr_err("Not enough memory for reading perf file header\n");
386 rec->session = session;
388 perf_record__init_features(rec);
391 err = perf_evlist__prepare_workload(evsel_list, &opts->target,
395 pr_err("Couldn't run the workload!\n");
396 goto out_delete_session;
400 if (perf_record__open(rec) != 0) {
402 goto out_delete_session;
405 if (!evsel_list->nr_groups)
406 perf_header__clear_feat(&session->header, HEADER_GROUP_DESC);
409 * perf_session__delete(session) will be called at perf_record__exit()
411 on_exit(perf_record__exit, rec);
414 err = perf_header__write_pipe(file->fd);
416 goto out_delete_session;
418 err = perf_session__write_header(session, evsel_list,
421 goto out_delete_session;
425 && !perf_header__has_feat(&session->header, HEADER_BUILD_ID)) {
426 pr_err("Couldn't generate buildids. "
427 "Use --no-buildid to profile anyway.\n");
429 goto out_delete_session;
432 machine = &session->machines.host;
435 err = perf_event__synthesize_attrs(tool, session,
436 process_synthesized_event);
438 pr_err("Couldn't synthesize attrs.\n");
439 goto out_delete_session;
442 if (have_tracepoints(&evsel_list->entries)) {
444 * FIXME err <= 0 here actually means that
445 * there were no tracepoints so its not really
446 * an error, just that we don't need to
447 * synthesize anything. We really have to
448 * return this more properly and also
449 * propagate errors that now are calling die()
451 err = perf_event__synthesize_tracing_data(tool, file->fd, evsel_list,
452 process_synthesized_event);
454 pr_err("Couldn't record tracing data.\n");
455 goto out_delete_session;
457 rec->bytes_written += err;
461 err = perf_event__synthesize_kernel_mmap(tool, process_synthesized_event,
464 err = perf_event__synthesize_kernel_mmap(tool, process_synthesized_event,
467 pr_err("Couldn't record kernel reference relocation symbol\n"
468 "Symbol resolution may be skewed if relocation was used (e.g. kexec).\n"
469 "Check /proc/kallsyms permission or run as root.\n");
471 err = perf_event__synthesize_modules(tool, process_synthesized_event,
474 pr_err("Couldn't record kernel module information.\n"
475 "Symbol resolution may be skewed if relocation was used (e.g. kexec).\n"
476 "Check /proc/modules permission or run as root.\n");
479 machines__process_guests(&session->machines,
480 perf_event__synthesize_guest_os, tool);
483 err = machine__synthesize_threads(machine, tool, &opts->target, evsel_list->threads,
484 process_synthesized_event, opts->sample_address);
486 goto out_delete_session;
488 if (rec->realtime_prio) {
489 struct sched_param param;
491 param.sched_priority = rec->realtime_prio;
492 if (sched_setscheduler(0, SCHED_FIFO, ¶m)) {
493 pr_err("Could not set realtime priority.\n");
495 goto out_delete_session;
500 * When perf is starting the traced process, all the events
501 * (apart from group members) have enable_on_exec=1 set,
502 * so don't spoil it by prematurely enabling them.
504 if (!perf_target__none(&opts->target))
505 perf_evlist__enable(evsel_list);
511 perf_evlist__start_workload(evsel_list);
514 int hits = rec->samples;
516 if (perf_record__mmap_read_all(rec) < 0) {
518 goto out_delete_session;
521 if (hits == rec->samples) {
524 err = poll(evsel_list->pollfd, evsel_list->nr_fds, -1);
529 * When perf is starting the traced process, at the end events
530 * die with the process and we wait for that. Thus no need to
531 * disable events in this case.
533 if (done && !disabled && !perf_target__none(&opts->target)) {
534 perf_evlist__disable(evsel_list);
539 if (quiet || signr == SIGUSR1)
542 fprintf(stderr, "[ perf record: Woken up %ld times to write data ]\n", waking);
545 * Approximate RIP event size: 24 bytes.
548 "[ perf record: Captured and wrote %.3f MB %s (~%" PRIu64 " samples) ]\n",
549 (double)rec->bytes_written / 1024.0 / 1024.0,
551 rec->bytes_written / 24);
556 perf_session__delete(session);
560 #define BRANCH_OPT(n, m) \
561 { .name = n, .mode = (m) }
563 #define BRANCH_END { .name = NULL }
570 static const struct branch_mode branch_modes[] = {
571 BRANCH_OPT("u", PERF_SAMPLE_BRANCH_USER),
572 BRANCH_OPT("k", PERF_SAMPLE_BRANCH_KERNEL),
573 BRANCH_OPT("hv", PERF_SAMPLE_BRANCH_HV),
574 BRANCH_OPT("any", PERF_SAMPLE_BRANCH_ANY),
575 BRANCH_OPT("any_call", PERF_SAMPLE_BRANCH_ANY_CALL),
576 BRANCH_OPT("any_ret", PERF_SAMPLE_BRANCH_ANY_RETURN),
577 BRANCH_OPT("ind_call", PERF_SAMPLE_BRANCH_IND_CALL),
578 BRANCH_OPT("abort_tx", PERF_SAMPLE_BRANCH_ABORT_TX),
579 BRANCH_OPT("in_tx", PERF_SAMPLE_BRANCH_IN_TX),
580 BRANCH_OPT("no_tx", PERF_SAMPLE_BRANCH_NO_TX),
585 parse_branch_stack(const struct option *opt, const char *str, int unset)
588 (PERF_SAMPLE_BRANCH_USER |\
589 PERF_SAMPLE_BRANCH_KERNEL |\
590 PERF_SAMPLE_BRANCH_HV)
592 uint64_t *mode = (uint64_t *)opt->value;
593 const struct branch_mode *br;
594 char *s, *os = NULL, *p;
601 * cannot set it twice, -b + --branch-filter for instance
606 /* str may be NULL in case no arg is passed to -b */
608 /* because str is read-only */
609 s = os = strdup(str);
618 for (br = branch_modes; br->name; br++) {
619 if (!strcasecmp(s, br->name))
623 ui__warning("unknown branch filter %s,"
624 " check man page\n", s);
638 /* default to any branch */
639 if ((*mode & ~ONLY_PLM) == 0) {
640 *mode = PERF_SAMPLE_BRANCH_ANY;
647 #ifdef HAVE_LIBUNWIND_SUPPORT
648 static int get_stack_size(char *str, unsigned long *_size)
652 unsigned long max_size = round_down(USHRT_MAX, sizeof(u64));
654 size = strtoul(str, &endptr, 0);
660 size = round_up(size, sizeof(u64));
661 if (!size || size > max_size)
669 pr_err("callchain: Incorrect stack dump size (max %ld): %s\n",
673 #endif /* HAVE_LIBUNWIND_SUPPORT */
675 int record_parse_callchain(const char *arg, struct perf_record_opts *opts)
677 char *tok, *name, *saveptr = NULL;
681 /* We need buffer that we know we can write to. */
682 buf = malloc(strlen(arg) + 1);
688 tok = strtok_r((char *)buf, ",", &saveptr);
689 name = tok ? : (char *)buf;
692 /* Framepointer style */
693 if (!strncmp(name, "fp", sizeof("fp"))) {
694 if (!strtok_r(NULL, ",", &saveptr)) {
695 opts->call_graph = CALLCHAIN_FP;
698 pr_err("callchain: No more arguments "
699 "needed for -g fp\n");
702 #ifdef HAVE_LIBUNWIND_SUPPORT
704 } else if (!strncmp(name, "dwarf", sizeof("dwarf"))) {
705 const unsigned long default_stack_dump_size = 8192;
708 opts->call_graph = CALLCHAIN_DWARF;
709 opts->stack_dump_size = default_stack_dump_size;
711 tok = strtok_r(NULL, ",", &saveptr);
713 unsigned long size = 0;
715 ret = get_stack_size(tok, &size);
716 opts->stack_dump_size = size;
718 #endif /* HAVE_LIBUNWIND_SUPPORT */
720 pr_err("callchain: Unknown --call-graph option "
731 static void callchain_debug(struct perf_record_opts *opts)
733 pr_debug("callchain: type %d\n", opts->call_graph);
735 if (opts->call_graph == CALLCHAIN_DWARF)
736 pr_debug("callchain: stack dump size %d\n",
737 opts->stack_dump_size);
740 int record_parse_callchain_opt(const struct option *opt,
744 struct perf_record_opts *opts = opt->value;
747 /* --no-call-graph */
749 opts->call_graph = CALLCHAIN_NONE;
750 pr_debug("callchain: disabled\n");
754 ret = record_parse_callchain(arg, opts);
756 callchain_debug(opts);
761 int record_callchain_opt(const struct option *opt,
762 const char *arg __maybe_unused,
763 int unset __maybe_unused)
765 struct perf_record_opts *opts = opt->value;
767 if (opts->call_graph == CALLCHAIN_NONE)
768 opts->call_graph = CALLCHAIN_FP;
770 callchain_debug(opts);
774 static const char * const record_usage[] = {
775 "perf record [<options>] [<command>]",
776 "perf record [<options>] -- <command> [<options>]",
781 * XXX Ideally would be local to cmd_record() and passed to a perf_record__new
782 * because we need to have access to it in perf_record__exit, that is called
783 * after cmd_record() exits, but since record_options need to be accessible to
784 * builtin-script, leave it here.
786 * At least we don't ouch it in all the other functions here directly.
788 * Just say no to tons of global variables, sigh.
790 static struct perf_record record = {
792 .mmap_pages = UINT_MAX,
793 .user_freq = UINT_MAX,
794 .user_interval = ULLONG_MAX,
802 #define CALLCHAIN_HELP "setup and enables call-graph (stack chain/backtrace) recording: "
804 #ifdef HAVE_LIBUNWIND_SUPPORT
805 const char record_callchain_help[] = CALLCHAIN_HELP "fp dwarf";
807 const char record_callchain_help[] = CALLCHAIN_HELP "fp";
811 * XXX Will stay a global variable till we fix builtin-script.c to stop messing
812 * with it and switch to use the library functions in perf_evlist that came
813 * from builtin-record.c, i.e. use perf_record_opts,
814 * perf_evlist__prepare_workload, etc instead of fork+exec'in 'perf record',
817 const struct option record_options[] = {
818 OPT_CALLBACK('e', "event", &record.evlist, "event",
819 "event selector. use 'perf list' to list available events",
820 parse_events_option),
821 OPT_CALLBACK(0, "filter", &record.evlist, "filter",
822 "event filter", parse_filter),
823 OPT_STRING('p', "pid", &record.opts.target.pid, "pid",
824 "record events on existing process id"),
825 OPT_STRING('t', "tid", &record.opts.target.tid, "tid",
826 "record events on existing thread id"),
827 OPT_INTEGER('r', "realtime", &record.realtime_prio,
828 "collect data with this RT SCHED_FIFO priority"),
829 OPT_BOOLEAN('D', "no-delay", &record.opts.no_delay,
830 "collect data without buffering"),
831 OPT_BOOLEAN('R', "raw-samples", &record.opts.raw_samples,
832 "collect raw sample records from all opened counters"),
833 OPT_BOOLEAN('a', "all-cpus", &record.opts.target.system_wide,
834 "system-wide collection from all CPUs"),
835 OPT_STRING('C', "cpu", &record.opts.target.cpu_list, "cpu",
836 "list of cpus to monitor"),
837 OPT_U64('c', "count", &record.opts.user_interval, "event period to sample"),
838 OPT_STRING('o', "output", &record.file.path, "file",
840 OPT_BOOLEAN('i', "no-inherit", &record.opts.no_inherit,
841 "child tasks do not inherit counters"),
842 OPT_UINTEGER('F', "freq", &record.opts.user_freq, "profile at this frequency"),
843 OPT_CALLBACK('m', "mmap-pages", &record.opts.mmap_pages, "pages",
844 "number of mmap data pages",
845 perf_evlist__parse_mmap_pages),
846 OPT_BOOLEAN(0, "group", &record.opts.group,
847 "put the counters into a counter group"),
848 OPT_CALLBACK_NOOPT('g', NULL, &record.opts,
849 NULL, "enables call-graph recording" ,
850 &record_callchain_opt),
851 OPT_CALLBACK(0, "call-graph", &record.opts,
852 "mode[,dump_size]", record_callchain_help,
853 &record_parse_callchain_opt),
854 OPT_INCR('v', "verbose", &verbose,
855 "be more verbose (show counter open errors, etc)"),
856 OPT_BOOLEAN('q', "quiet", &quiet, "don't print any message"),
857 OPT_BOOLEAN('s', "stat", &record.opts.inherit_stat,
858 "per thread counts"),
859 OPT_BOOLEAN('d', "data", &record.opts.sample_address,
861 OPT_BOOLEAN('T', "timestamp", &record.opts.sample_time, "Sample timestamps"),
862 OPT_BOOLEAN('P', "period", &record.opts.period, "Sample period"),
863 OPT_BOOLEAN('n', "no-samples", &record.opts.no_samples,
865 OPT_BOOLEAN('N', "no-buildid-cache", &record.no_buildid_cache,
866 "do not update the buildid cache"),
867 OPT_BOOLEAN('B', "no-buildid", &record.no_buildid,
868 "do not collect buildids in perf.data"),
869 OPT_CALLBACK('G', "cgroup", &record.evlist, "name",
870 "monitor event in cgroup name only",
872 OPT_STRING('u', "uid", &record.opts.target.uid_str, "user",
875 OPT_CALLBACK_NOOPT('b', "branch-any", &record.opts.branch_stack,
876 "branch any", "sample any taken branches",
879 OPT_CALLBACK('j', "branch-filter", &record.opts.branch_stack,
880 "branch filter mask", "branch stack filter modes",
882 OPT_BOOLEAN('W', "weight", &record.opts.sample_weight,
883 "sample by weight (on special events only)"),
884 OPT_BOOLEAN(0, "transaction", &record.opts.sample_transaction,
885 "sample transaction flags (special events only)"),
889 int cmd_record(int argc, const char **argv, const char *prefix __maybe_unused)
892 struct perf_evlist *evsel_list;
893 struct perf_record *rec = &record;
896 evsel_list = perf_evlist__new();
897 if (evsel_list == NULL)
900 rec->evlist = evsel_list;
902 argc = parse_options(argc, argv, record_options, record_usage,
903 PARSE_OPT_STOP_AT_NON_OPTION);
904 if (!argc && perf_target__none(&rec->opts.target))
905 usage_with_options(record_usage, record_options);
907 if (nr_cgroups && !rec->opts.target.system_wide) {
908 ui__error("cgroup monitoring only available in"
909 " system-wide mode\n");
910 usage_with_options(record_usage, record_options);
915 if (symbol_conf.kptr_restrict)
917 "WARNING: Kernel address maps (/proc/{kallsyms,modules}) are restricted,\n"
918 "check /proc/sys/kernel/kptr_restrict.\n\n"
919 "Samples in kernel functions may not be resolved if a suitable vmlinux\n"
920 "file is not found in the buildid cache or in the vmlinux path.\n\n"
921 "Samples in kernel modules won't be resolved at all.\n\n"
922 "If some relocation was applied (e.g. kexec) symbols may be misresolved\n"
923 "even with a suitable vmlinux or kallsyms file.\n\n");
925 if (rec->no_buildid_cache || rec->no_buildid)
926 disable_buildid_cache();
928 if (evsel_list->nr_entries == 0 &&
929 perf_evlist__add_default(evsel_list) < 0) {
930 pr_err("Not enough memory for event selector list\n");
931 goto out_symbol_exit;
934 err = perf_target__validate(&rec->opts.target);
936 perf_target__strerror(&rec->opts.target, err, errbuf, BUFSIZ);
937 ui__warning("%s", errbuf);
940 err = perf_target__parse_uid(&rec->opts.target);
942 int saved_errno = errno;
944 perf_target__strerror(&rec->opts.target, err, errbuf, BUFSIZ);
945 ui__error("%s", errbuf);
948 goto out_symbol_exit;
952 if (perf_evlist__create_maps(evsel_list, &rec->opts.target) < 0)
953 usage_with_options(record_usage, record_options);
955 if (perf_record_opts__config(&rec->opts)) {
960 err = __cmd_record(&record, argc, argv);
962 perf_evlist__munmap(evsel_list);
963 perf_evlist__close(evsel_list);
965 perf_evlist__delete_maps(evsel_list);