Date: Tue, 14 Nov 2000 17:21:09 -0200 (BRDT) From: Rik van Riel <riel@conectiva.com.br> To: Terry Lambert <tlambert@primenet.com> Cc: void <float@firedrake.org>, hackers@FreeBSD.ORG Subject: Re: "iowait" CPU state Message-ID: <Pine.LNX.4.21.0011141720170.25493-100000@duckman.distro.conectiva> In-Reply-To: <200011101833.LAA23780@usr08.primenet.com>
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On Fri, 10 Nov 2000, Terry Lambert wrote:
> > Thank you! This gets the me disk %busy, which is one of the things I
> > was looking for. Now, can anyone tell me how to tell what percentage of
> > processor time is being spent waiting for disk I/O to complete?
>
> Uh, none?
>
> If there is disk I/O pending, the processor just runs a
> different process... am I missing your question?
I guess it might be useful to see the difference between
"true" idle time and time the system couldn't do anything
useful because it was blocked on the disk (but /should/
have done something useful...).
regards,
Rik
--
"What you're running that piece of shit Gnome?!?!"
-- Miguel de Icaza, UKUUG 2000
http://www.conectiva.com/ http://www.surriel.com/
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