50 static int record__write(struct record *rec, void *bf, size_t size)  in record__write()  argument
52 	if (perf_data_file__write(rec->session->file, bf, size) < 0) {  in record__write()
57 	rec->bytes_written += size;  in record__write()
66 	struct record *rec = container_of(tool, struct record, tool);  in process_synthesized_event()  local
67 	return record__write(rec, event, event->header.size);  in process_synthesized_event()
70 static int record__mmap_read(struct record *rec, int idx)  in record__mmap_read()  argument
72 	struct perf_mmap *md = &rec->evlist->mmap[idx];  in record__mmap_read()
83 	rec->samples++;  in record__mmap_read()
92 		if (record__write(rec, buf, size) < 0) {  in record__mmap_read()
102 	if (record__write(rec, buf, size) < 0) {  in record__mmap_read()
108 	perf_evlist__mmap_consume(rec->evlist, idx);  in record__mmap_read()
136 static int record__open(struct record *rec)  in record__open()  argument
140 	struct perf_evlist *evlist = rec->evlist;  in record__open()
141 	struct perf_session *session = rec->session;  in record__open()
142 	struct record_opts *opts = &rec->opts;  in record__open()
200 	struct record *rec = container_of(tool, struct record, tool);  in process_sample_event()  local
202 	rec->samples++;  in process_sample_event()
207 static int process_buildids(struct record *rec)  in process_buildids()  argument
209 	struct perf_data_file *file  = &rec->file;  in process_buildids()
210 	struct perf_session *session = rec->session;  in process_buildids()
266 static int record__mmap_read_all(struct record *rec)  in record__mmap_read_all()  argument
268 	u64 bytes_written = rec->bytes_written;  in record__mmap_read_all()
272 	for (i = 0; i < rec->evlist->nr_mmaps; i++) {  in record__mmap_read_all()
273 		if (rec->evlist->mmap[i].base) {  in record__mmap_read_all()
274 			if (record__mmap_read(rec, i) != 0) {  in record__mmap_read_all()
285 	if (bytes_written != rec->bytes_written)  in record__mmap_read_all()
286 		rc = record__write(rec, &finished_round_event, sizeof(finished_round_event));  in record__mmap_read_all()
292 static void record__init_features(struct record *rec)  in record__init_features()  argument
294 	struct perf_session *session = rec->session;  in record__init_features()
300 	if (rec->no_buildid)  in record__init_features()
303 	if (!have_tracepoints(&rec->evlist->entries))  in record__init_features()
306 	if (!rec->opts.branch_stack)  in record__init_features()
326 static int __cmd_record(struct record *rec, int argc, const char **argv)  in __cmd_record()  argument
333 	struct perf_tool *tool = &rec->tool;  in __cmd_record()
334 	struct record_opts *opts = &rec->opts;  in __cmd_record()
335 	struct perf_data_file *file = &rec->file;  in __cmd_record()
340 	rec->progname = argv[0];  in __cmd_record()
354 	rec->session = session;  in __cmd_record()
356 	record__init_features(rec);  in __cmd_record()
359 		err = perf_evlist__prepare_workload(rec->evlist, &opts->target,  in __cmd_record()
369 	if (record__open(rec) != 0) {  in __cmd_record()
374 	if (!rec->evlist->nr_groups)  in __cmd_record()
382 		err = perf_session__write_header(session, rec->evlist, fd, false);  in __cmd_record()
387 	if (!rec->no_buildid  in __cmd_record()
405 		if (have_tracepoints(&rec->evlist->entries)) {  in __cmd_record()
414 			err = perf_event__synthesize_tracing_data(tool,	fd, rec->evlist,  in __cmd_record()
420 			rec->bytes_written += err;  in __cmd_record()
443 	err = __machine__synthesize_threads(machine, tool, &opts->target, rec->evlist->threads,  in __cmd_record()
448 	if (rec->realtime_prio) {  in __cmd_record()
451 		param.sched_priority = rec->realtime_prio;  in __cmd_record()
465 		perf_evlist__enable(rec->evlist);  in __cmd_record()
471 		perf_evlist__start_workload(rec->evlist);  in __cmd_record()
475 		perf_evlist__enable(rec->evlist);  in __cmd_record()
479 		int hits = rec->samples;  in __cmd_record()
481 		if (record__mmap_read_all(rec) < 0) {  in __cmd_record()
486 		if (hits == rec->samples) {  in __cmd_record()
489 			err = perf_evlist__poll(rec->evlist, -1);  in __cmd_record()
498 			if (perf_evlist__filter_pollfd(rec->evlist, POLLERR | POLLHUP) == 0)  in __cmd_record()
508 			perf_evlist__disable(rec->evlist);  in __cmd_record()
529 			kill(rec->evlist->workload.pid, SIGTERM);  in __cmd_record()
543 	rec->samples = 0;  in __cmd_record()
546 		rec->session->header.data_size += rec->bytes_written;  in __cmd_record()
548 		if (!rec->no_buildid)  in __cmd_record()
549 			process_buildids(rec);  in __cmd_record()
550 		perf_session__write_header(rec->session, rec->evlist, fd, true);  in __cmd_record()
556 		if (rec->samples)  in __cmd_record()
558 				  " (%" PRIu64 " samples)", rec->samples);  in __cmd_record()
940 	struct record *rec = &record;  in cmd_record()  local
943 	rec->evlist = perf_evlist__new();  in cmd_record()
944 	if (rec->evlist == NULL)  in cmd_record()
947 	perf_config(perf_record_config, rec);  in cmd_record()
951 	if (!argc && target__none(&rec->opts.target))  in cmd_record()
954 	if (nr_cgroups && !rec->opts.target.system_wide) {  in cmd_record()
972 	if (rec->no_buildid_cache || rec->no_buildid)  in cmd_record()
975 	if (rec->evlist->nr_entries == 0 &&  in cmd_record()
976 	    perf_evlist__add_default(rec->evlist) < 0) {  in cmd_record()
981 	if (rec->opts.target.tid && !rec->opts.no_inherit_set)  in cmd_record()
982 		rec->opts.no_inherit = true;  in cmd_record()
984 	err = target__validate(&rec->opts.target);  in cmd_record()
986 		target__strerror(&rec->opts.target, err, errbuf, BUFSIZ);  in cmd_record()
990 	err = target__parse_uid(&rec->opts.target);  in cmd_record()
994 		target__strerror(&rec->opts.target, err, errbuf, BUFSIZ);  in cmd_record()
1002 	if (perf_evlist__create_maps(rec->evlist, &rec->opts.target) < 0)  in cmd_record()
1005 	if (record_opts__config(&rec->opts)) {  in cmd_record()
1012 	perf_evlist__delete(rec->evlist);  in cmd_record()