From: Olaf Kirch <okir@suse.de>
Subject: Re: [PATCH] NFS: Zeroing NFS and kNFSD stats
Date: Mon, 2 Aug 2004 12:39:05 +0200
Sender: nfs-admin@lists.sourceforge.net
Message-ID: <20040802103905.GI25023@suse.de>
References: <40F3D483.8020507@RedHat.com> <20040713143044.GA3023@fieldses.org> <40F3FAD8.7090707@RedHat.com> <20040713151759.GC3023@fieldses.org>
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Cc: Steve Dickson <SteveD@redhat.com>,
	Linux NFS Mailing List <nfs@lists.sourceforge.net>
To: "J. Bruce Fields" <bfields@fieldses.org>
In-Reply-To: <20040713151759.GC3023@fieldses.org>
Errors-To: nfs-admin@lists.sourceforge.net

On Tue, Jul 13, 2004 at 11:17:59AM -0400, J. Bruce Fields wrote:
> But you could exactly the same thing by recording the values at the
> beginning of the test run and then subtracting.  In practice this is
> likely to be annoying, so you'd want to write utilities that did this
> for you, like say
> 
> checkpoint_stats stats.txt
> display_stats --since stats.txt

But it sucks. I had folks run something like 12-15 performance
measurements and take the NFS stats, and it was a huge mess
to sort through. Telling folks "use nfsstat -z to wipe stats
before each command" is much easier. Besides, -z is sort of
a standard option, so we might as well implement it.

Olaf
-- 
Olaf Kirch     |  The Hardware Gods hate me.
okir@suse.de   |
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