From: Con Kolivas <kernel@kolivas.org>
To: linux-kernel@vger.kernel.org
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Subject: Re: [RFC] blkstat
Date: Mon, 13 Jun 2005 19:54:43 +1000 [thread overview]
Message-ID: <200506131954.45361.kernel@kolivas.org> (raw)
In-Reply-To: <42AD55FA.50109@yahoo.com.au>
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On Mon, 13 Jun 2005 19:46, Nick Piggin wrote:
> I have made a simple tool to measure idle and busy time for
> block devices.
>
> I have been wanting something like this for a while, because
> the absolute throughput/seek numbers don't always help you
> determine whether or not a workload is becoming IO bound.
>
> It requires a small kernel patch, and I've also attached my
> lame userspace program for it. It is kind of like vmstat.
>
> Oh, and before I go further, does anyone know of any program
> or statistic that allows the same functionality? Any comments?
Would something like iostat give similar results?
http://linux.inet.hr/
Cheers,
Con
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next prev parent reply other threads:[~2005-06-13 9:54 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-13 9:46 [RFC] blkstat Nick Piggin
2005-06-13 9:54 ` Con Kolivas [this message]
2005-06-13 10:02 ` Nick Piggin
2005-06-13 10:05 ` Con Kolivas
2005-06-13 10:19 ` Nick Piggin
2005-06-13 11:21 ` Andi Kleen
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