xfs
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Re: CPU usage

Subject: Re: CPU usage
From: "D. Stimits" <stimits@xxxxxxxxxx>
Date: Fri, 14 Sep 2001 19:38:45 -0600
Cc: linux-xfs <linux-xfs@xxxxxxxxxxx>
References: <1000513075.12917.104.camel@stantz.corp.sgi.com>
Reply-to: stimits@xxxxxxxxxx
Sender: owner-linux-xfs@xxxxxxxxxxx
Florin Andrei wrote:
> 
> I've heard someone complaining about high CPU usage with XFS, especially
> on low-clocked machines.
> Someone told me that, on some PII at 266 and 400 MHz, running Linux on
> XFS, CPU usage is 10-15% all the time, even when the machine is supposed
> to be idle.
> I find this hard to believe, since on a lowly Indy, at 180 MHz, CPU
> usage is 0.00% when the machine is idle.
> Any idea?...
> 
> --
> Florin Andrei
> 
> "Our kernel does have source control: its name is
> Linus Torvalds, CVS with a brain." - Nicholas Knight

Maybe an IDE drive is being used without DMA. That forces cpu use for
quite a few disk operations.

D. Stimits, stimits@xxxxxxxxxx


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