/usr/ is in libbenchmark-dev 1.3.0-2.
This file is owned by root:root, with mode 0o755.
..
/usr/include/
/usr/include/benchmark/
/usr/include/benchmark/benchmark.h
/usr/include/benchmark/benchmark_api.h
/usr/include/benchmark/reporter.h
/usr/lib/
/usr/lib/cmake/
/usr/lib/cmake/benchmark/
/usr/lib/cmake/benchmark/benchmarkConfig.cmake
/usr/lib/cmake/benchmark/benchmarkConfigVersion.cmake
/usr/lib/cmake/benchmark/benchmarkTargets-none.cmake
/usr/lib/cmake/benchmark/benchmarkTargets.cmake
/usr/lib/x86_64-linux-gnu/
/usr/share/
/usr/share/doc/
/usr/share/doc/libbenchmark-dev/
/usr/share/doc/libbenchmark-dev/copyright
/usr/lib/x86_64-linux-gnu/libbenchmark.so
/usr/share/doc/libbenchmark-dev/changelog.Debian.gz