I don't really how to measure this. But I've tested (with two terminals) that my system uses near 2% CPU when iddle, and lxtask adds up to 8% more. But I think it's normal. I can't reproduce your settings.
** Attachment added: "2011-05-06-134823_1280x1024_scrot.png" https://bugs.launchpad.net/ubuntu/+source/lubuntu-artwork/+bug/776776/+attachment/2116431/+files/2011-05-06-134823_1280x1024_scrot.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/776776 Title: CPU increase when using lxtask + 11.04 gtk theme -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs