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Date: Mon, 19 May 2008 22:52:45 +0200 (CEST)
From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
To: Yani Brankov <ian@bulinfo.net>
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Cc: questions@freebsd.org, performance@freebsd.org
Subject: Re: Low/Jerky performance in FreeBSD 7
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> windows does under heavier loads. The mouse starts to be jerky when 
> compiling, window updates/redraws are slow and bump the CPU usage up to 100%.

it is especially like that when you have heavy disk I/O, with lots of 
writes.

> beginning. However, I later noticed the same happens even when X has not been 
> started. For instance, I start a kernel compile and the console mouse becomes 
> jumpy. All these have never happened before with FreeBSD on this box. It has 
> enough memory (1.5G) and relatively fast CPU (2.5GHz). I started to think

that's why i keep 6.3 everywhere.