stackid           104 samples/bpf/trace_event_user.c 	__u32 stackid = 0, next_id;
stackid           121 samples/bpf/trace_event_user.c 	while (bpf_map_get_next_key(stack_map, &stackid, &next_id) == 0) {
stackid           123 samples/bpf/trace_event_user.c 		stackid = next_id;