perf/util/cgroup.c

259 /* collect given cgroups only */
299 /* collect all cgroups first and then match with the pattern */
315 	/* collect all cgroups in the cgroup_list */
323 		/* allow empty cgroups, i.e., skip */
370 		fprintf(stderr, "must define events before cgroups\n");
378 		/* allow empty cgroups, i.e., skip */
389 		/* nr_cgroups is increased een for empty cgroups */
428 		fprintf(stderr, "must define events before cgroups\n");
567 	down_write(&env->cgroups.lock);
568 	cgrp = __cgroup__findnew(&env->cgroups.tree, id, true, path);
569 	up_write(&env->cgroups.lock);
582 	down_read(&env->cgroups.lock);
583 	cgrp = __cgroup__findnew(&env->cgroups.tree, id, false, NULL);
584 	up_read(&env->cgroups.lock);
593 	down_write(&env->cgroups.lock);
594 	while (!RB_EMPTY_ROOT(&env->cgroups.tree)) {
595 		node = rb_first(&env->cgroups.tree);
598 		rb_erase(node, &env->cgroups.tree);
601 	up_write(&env->cgroups.lock);
616 	/* collect all cgroups in the cgroup_list */