/usr/lib/linux-tools/4.11.0-1016-azure/perf is in linux-tools-4.11.0-1016-azure 4.11.0-1016.16.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/linux-tools/4.11.0-1016-azure/../../linux-azure-tools-4.11.0-1016/perf