top-like X server resources usage display tool
Xrestop uses the X-Resource extension to provide 'top' like statistics of each connected X11 client's server side resource usage. It is intended as a developer tool to aid more efficient server resource usage and debug server side leakage. It should work with any server supporting the X-Resource extension, including the freedesktop.org server and XFree86 4.3+. "xdpyinfo | grep Resource" should tell you if your server supports this extension
Homepage: https://www.freedesktop.org/wiki/Software/xrestop/
Maintainer: Matthieu Herrb <matthieu@openbsd.org>