perf/util/thread_map.c

36 	struct perf_thread_map *threads;
47 	threads = thread_map__alloc(items);
48 	if (threads != NULL) {
50 			perf_thread_map__set_pid(threads, i, atoi(namelist[i]->d_name));
51 		threads->nr = items;
52 		refcount_set(&threads->refcnt, 1);
59 	return threads;
64 	struct perf_thread_map *threads = thread_map__alloc(1);
66 	if (threads != NULL) {
67 		perf_thread_map__set_pid(threads, 0, tid);
68 		threads->nr = 1;
69 		refcount_set(&threads->refcnt, 1);
72 	return threads;
81 	struct perf_thread_map *threads = thread_map__alloc(max_threads);
83 	if (threads == NULL)
90 	threads->nr = 0;
91 	refcount_set(&threads->refcnt, 1);
116 		while (threads->nr + items >= max_threads) {
124 			tmp = perf_thread_map__realloc(threads, max_threads);
128 			threads = tmp;
132 			perf_thread_map__set_pid(threads, threads->nr + i,
140 		threads->nr += items;
146 	return threads;
149 	free(threads);
156 	zfree(&threads);
183 	struct perf_thread_map *threads = NULL, *nt;
213 		nt = perf_thread_map__realloc(threads, total_tasks);
217 		threads = nt;
220 			perf_thread_map__set_pid(threads, j++, atoi(namelist[i]->d_name));
223 		threads->nr = total_tasks;
229 	if (threads)
230 		refcount_set(&threads->refcnt, 1);
231 	return threads;
239 	zfree(&threads);
245 	struct perf_thread_map *threads = NULL, *nt;
253 	/* perf-stat expects threads to be generated even if tid not given */
272 		nt = perf_thread_map__realloc(threads, ntasks);
277 		threads = nt;
278 		perf_thread_map__set_pid(threads, ntasks - 1, tid);
279 		threads->nr = ntasks;
283 	if (threads)
284 		refcount_set(&threads->refcnt, 1);
285 	return threads;
288 	zfree(&threads);
307 size_t thread_map__fprintf(struct perf_thread_map *threads, FILE *fp)
311 				 threads->nr, threads->nr > 1 ? "s" : "");
312 	for (i = 0; i < threads->nr; ++i)
313 		printed += fprintf(fp, "%s%d", i ? ", " : "", perf_thread_map__pid(threads, i));
363 void thread_map__read_comms(struct perf_thread_map *threads)
367 	for (i = 0; i < threads->nr; ++i)
368 		comm_init(threads, i);
371 static void thread_map__copy_event(struct perf_thread_map *threads,
376 	threads->nr = (int) event->nr;
379 		perf_thread_map__set_pid(threads, i, (pid_t) event->entries[i].pid);
380 		threads->map[i].comm = strndup(event->entries[i].comm, 16);
383 	refcount_set(&threads->refcnt, 1);
388 	struct perf_thread_map *threads;
390 	threads = thread_map__alloc(event->nr);
391 	if (threads)
392 		thread_map__copy_event(threads, event);
394 	return threads;
397 bool thread_map__has(struct perf_thread_map *threads, pid_t pid)
401 	for (i = 0; i < threads->nr; ++i) {
402 		if (threads->map[i].pid == pid)
409 int thread_map__remove(struct perf_thread_map *threads, int idx)
413 	if (threads->nr < 1)
416 	if (idx >= threads->nr)
422 	zfree(&threads->map[idx].comm);
424 	for (i = idx; i < threads->nr - 1; i++)
425 		threads->map[i] = threads->map[i + 1];
427 	threads->nr--;