bpf_map__set_key_size
LIBBPF_API int bpf_map__set_key_size(struct bpf_map *map, __u32 size);
bpf_map__set_key_size(skel->maps.owner_stacks,
bpf_map__set_key_size(skel->maps.hashmap, args.value_size);
bpf_map__set_key_size(ctx.skel->maps.hash_map_bench, args.key_size);