/usr/lib/linux-tools/4.4.0-1048-aws/cpupower is in linux-tools-4.4.0-1048-aws 4.4.0-1048.57.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/linux-tools/4.4.0-1048-aws/../../linux-aws-tools-4.4.0-1048/cpupower