/usr/ is in pybootchartgui 0+r141-0ubuntu6.
This file is owned by root:root, with mode 0o755.
..
/usr/bin/
/usr/bin/pybootchartgui
/usr/lib/
/usr/lib/python2.7/
/usr/lib/python2.7/dist-packages/
/usr/lib/python2.7/dist-packages/pybootchartgui/
/usr/lib/python2.7/dist-packages/pybootchartgui/__init__.py
/usr/lib/python2.7/dist-packages/pybootchartgui/draw.py
/usr/lib/python2.7/dist-packages/pybootchartgui/gui.py
/usr/lib/python2.7/dist-packages/pybootchartgui/parsing.py
/usr/lib/python2.7/dist-packages/pybootchartgui/tests/
/usr/lib/python2.7/dist-packages/pybootchartgui/tests/parser_test.py
/usr/lib/python2.7/dist-packages/pybootchartgui/tests/process_tree_test.py
/usr/lib/python2.7/dist-packages/pybootchartgui/batch.py
/usr/lib/python2.7/dist-packages/pybootchartgui/samples.py
/usr/lib/python2.7/dist-packages/pybootchartgui/main.py
/usr/lib/python2.7/dist-packages/pybootchartgui/process_tree.py
/usr/share/
/usr/share/doc/
/usr/share/doc/pybootchartgui/
/usr/share/doc/pybootchartgui/AUTHORS
/usr/share/doc/pybootchartgui/copyright
/usr/share/doc/pybootchartgui/changelog.Debian.gz
/usr/share/doc/pybootchartgui/README
/usr/bin/bootchart