memmove(dst->percentile, src.percentile,
dst->percentile_num * sizeof(*dst->percentile));
memmove(dst->buckets, src.buckets, dst->buckets_num * sizeof(*dst->buckets));
memmove(dst->percentile, src.percentile,
dst->percentile_num * sizeof(*dst->percentile));
memmove(dst->buckets, src.buckets, dst->buckets_num * sizeof(*dst->buckets));