On Mon, Mar 11, 2019 at 10:30:42PM -0700, Song Liu wrote:
SNIP
> +/* purge data in bpf_progs.infos tree */
> +static void perf_env__purge_bpf(struct perf_env *env)
> +{
> + struct rb_root *root;
> + struct rb_node *next;
> +
> + down_write(&env->bpf_progs.lock);
> +
> + root = &env->bpf_progs.infos;
> + next = rb_first(root);
> +
> + while (next) {
> + struct bpf_prog_info_node *node;
> +
> + node = rb_entry(next, struct bpf_prog_info_node, rb_node);
> + next = rb_next(&node->rb_node);
> + rb_erase(&node->rb_node, root);
> + free(node);
> + }
env->bpf_progs.infos_cnt = 0; ?
but it's probably not needed given the current usage
jirka
> + up_write(&env->bpf_progs.lock);
> +}
SNIP
