/usr/ is in libxatracker-dev-lts-trusty 10.1.3-0ubuntu0.2~precise2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/xatracker.pc
/usr/include/
/usr/include/xa_tracker.h
/usr/include/xa_context.h
/usr/include/xa_composite.h
/usr/share/
/usr/share/bug/
/usr/share/bug/libxatracker-dev-lts-trusty/
/usr/share/bug/libxatracker-dev-lts-trusty/control
/usr/share/bug/libxatracker-dev-lts-trusty/script
/usr/share/doc/libxatracker-dev-lts-trusty/
/usr/share/doc/libxatracker-dev-lts-trusty/copyright
/usr/lib/x86_64-linux-gnu/libxatracker.so
/usr/share/doc/libxatracker-dev-lts-trusty/changelog.Debian.gz