From: Stefan Hajnoczi <stefanha@gmail.com>
To: "Richard W.M. Jones" <rjones@redhat.com>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH v3] block: Add support for Secure Shell (ssh) block device.
Date: Wed, 27 Mar 2013 07:35:29 +0100 [thread overview]
Message-ID: <20130327063529.GA13655@stefanha-thinkpad.redhat.com> (raw)
In-Reply-To: <20130326193443.GC1504@rhmail.home.annexia.org>
On Tue, Mar 26, 2013 at 07:34:43PM +0000, Richard W.M. Jones wrote:
>
> BTW, I'd be interested in tips on what software/techniques people use
> for benchmarking qemu block devices.
>
> So far I've been testing this by booting various guests and timing how
> long they take to reach various stages (eg. graphical login), but this
> has not proven to be reproducible.
Running fio inside the guest is the way to go for real benchmarking:
http://freecode.com/projects/fio
For quick benchmarks you could use one more more dd(1) processes:
dd if=/dev/vdb of=/dev/null iflag=direct bs=64k
Stefan
next prev parent reply other threads:[~2013-03-27 6:35 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-26 10:38 [Qemu-devel] [PATCH v3] block: Add support for Secure Shell (ssh) block device Richard W.M. Jones
2013-03-26 14:21 ` Richard W.M. Jones
2013-03-26 16:23 ` Stefan Hajnoczi
2013-03-26 17:00 ` Richard W.M. Jones
2013-03-26 19:34 ` Richard W.M. Jones
2013-03-27 6:35 ` Stefan Hajnoczi [this message]
2013-03-27 15:12 ` Anthony Liguori
2013-03-27 15:44 ` Richard W.M. Jones
2013-03-27 16:43 ` Anthony Liguori
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