Comment 2 for bug 737454

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ngsupb (ngsupb) wrote : Re: xorg high cpu usage while using top command

some more info on this issue:

just open 5-10 terminals. Everything else is closed. and see how the xorg usage goes up.
It appears to be not in terminals issue, just ANY window. More opened windows cause more cpu usage on xorg.

5-10 opened windows is enough to cause lags.

killing compiz brings xorg down to the usual 5% But Unity is useless without compiz.
Probably this issue is on nvidia card+compiz since I didn't notice it on intel.

I don't use nouveau, using the proprietary drives.