Xorg high CPU usage: conky?

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http://crunchbanglinux.org – Acer Aspire 4710 laptop (Intel dual core with Intel graphics) running fully updated #! r20111125. Xorg is constantly using around 4% of the CPU. I have terminator and Iceweasel running. Xorg still uses 4% even when checking it through xterm (so no transparent Terminator and no Iceweasel). Running xcompmgr with default settings. Killing conky seems to lower usage to ~1 to 2%. Is this normal? I searched here for conky high CPU usage threads, but didn't find much. (HowTos)