/usr/lib/eclipse/p2/ is in eclipse-platform 3.8.1-5.1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/eclipse/p2/org.eclipse.equinox.p2.engine/
/usr/lib/eclipse/p2/org.eclipse.equinox.p2.engine/.settings/
/usr/lib/eclipse/p2/org.eclipse.equinox.p2.engine/.settings/org.eclipse.equinox.p2.artifact.repository.prefs
/usr/lib/eclipse/p2/org.eclipse.equinox.p2.engine/.settings/org.eclipse.equinox.p2.metadata.repository.prefs
/usr/lib/eclipse/p2/org.eclipse.equinox.p2.engine/profileRegistry/
/usr/lib/eclipse/p2/org.eclipse.equinox.p2.engine/profileRegistry/PlatformProfile.profile/
/usr/lib/eclipse/p2/org.eclipse.equinox.p2.engine/profileRegistry/PlatformProfile.profile/.data/
/usr/lib/eclipse/p2/org.eclipse.equinox.p2.engine/profileRegistry/PlatformProfile.profile/.data/.settings//
/usr/lib/eclipse/p2/org.eclipse.equinox.p2.engine/profileRegistry/PlatformProfile.profile/.data/.settings/org.eclipse.equinox.p2.artifact.repository.prefs
/usr/lib/eclipse/p2/org.eclipse.equinox.p2.engine/profileRegistry/PlatformProfile.profile/.data/.settings/org.eclipse.equinox.p2.metadata.repository.prefs
/usr/lib/eclipse/p2/org.eclipse.equinox.p2.engine/profileRegistry/PlatformProfile.profile/.data/org.eclipse.equinox.internal.p2.touchpoint.eclipse.actions//
/usr/lib/eclipse/p2/org.eclipse.equinox.p2.engine/profileRegistry/PlatformProfile.profile/.data/org.eclipse.equinox.internal.p2.touchpoint.eclipse.actions/jvmargs
/usr/lib/eclipse/p2/org.eclipse.equinox.p2.engine/profileRegistry/PlatformProfile.profile/.lock
/usr/lib/eclipse/p2/org.eclipse.equinox.p2.engine/profileRegistry/PlatformProfile.profile/1389955847207.profile.gz
/usr/lib/eclipse/p2/org.eclipse.equinox.p2.engine/profileRegistry/PlatformProfile.profile/state.properties
/usr/lib/eclipse/p2/org.eclipse.equinox.p2.touchpoint.eclipse/
/usr/lib/eclipse/p2/org.eclipse.equinox.p2.touchpoint.eclipse/artifacts.xml