From: Andrew Rodland <arodland@noln.com>
To: Andre Tomt <andre@tomt.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: invalidate: busy buffer
Date: Mon, 17 Jun 2002 18:50:34 -0400 [thread overview]
Message-ID: <20020617185034.2a91d427.arodland@noln.com> (raw)
In-Reply-To: <1024353974.32508.4.camel@slurv.tomt.lan>
On 18 Jun 2002 00:46:14 +0200
Andre Tomt <andre@tomt.net> wrote:
> On Tue, 2002-06-18 at 00:21, Andrew Rodland wrote:
> > On Mon, 17 Jun 2002 23:14:48 +0100
> > "James Stevenson" <mistral@stev.org> wrote:
> >
> > Something tried to wipe out all of the caches for some device, but
> > something else was using it at the time. For example, if you try to
> > run parted on something mounted (and bypass/confuse its mountedness
> > check) you'll see this. Were you doing anything like that?
>
> or run for example hdparm -tT device to do a (imho pretty useless)
> "benchmark" of io throughput.
>
> --
> André Tomt
> andre@tomt.net
>
the first half of hdparm -Tt is useful as a benchmark of how quick other
parts of the kernel are, though... changing the optimization level, or
the difference between vanilla and rmap, non-preempt and preempt, etc,
affects this a good bit. :)
next prev parent reply other threads:[~2002-06-17 22:52 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-06-17 22:14 James Stevenson
2002-06-17 22:21 ` Andrew Rodland
2002-06-17 22:46 ` Andre Tomt
2002-06-17 22:50 ` Andrew Rodland [this message]
[not found] ` <003f01c2164e$2e86c6c0$0501a8c0@Stev.org>
2002-06-17 22:46 ` Andrew Rodland
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