xrestop(1) on Linux
The text 45d7316b654e, as Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny), Debian 4.0 (Etch) shipped it.
monitor server resources used by X11 clients
Flags it lists
-
--batch -
--delay-time -
--display -
--help -
--max-samples -
-b -
-d -
-dt -
-m