From: Avi Kivity <avi@redhat.com>
To: Sasha Levin <levinsasha928@gmail.com>
Cc: linux-kernel@vger.kernel.org,
Rusty Russell <rusty@rustcorp.com.au>,
"Michael S. Tsirkin" <mst@redhat.com>,
virtualization@lists.linux-foundation.org, kvm@vger.kernel.org
Subject: Re: [PATCH] virtio-blk: Add stats VQ to collect information about devices
Date: Wed, 17 Aug 2011 16:00:42 -0700 [thread overview]
Message-ID: <4E4C481A.5080205@redhat.com> (raw)
In-Reply-To: <1313524071-27250-1-git-send-email-levinsasha928@gmail.com>
On 08/16/2011 12:47 PM, Sasha Levin wrote:
> This patch adds support for an optional stats vq that works similary to the
> stats vq provided by virtio-balloon.
>
> The purpose of this change is to allow collection of statistics about working
> virtio-blk devices to easily analyze performance without having to tap into
> the guest.
>
>
Why can't you get the same info from the host? i.e. read sectors?
Patches to virtio drivers should be preceded by specification updates so
that guest driver authors and alternative userspace developers have a
solid reference.
--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.
next prev parent reply other threads:[~2011-08-17 23:00 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-16 19:47 [PATCH] virtio-blk: Add stats VQ to collect information about devices Sasha Levin
2011-08-17 23:00 ` Avi Kivity [this message]
2011-08-18 4:38 ` Sasha Levin
2011-08-18 15:10 ` Avi Kivity
2011-08-18 16:29 ` Sasha Levin
2011-08-18 17:36 ` Avi Kivity
2011-08-18 17:59 ` Sasha Levin
2011-08-18 18:30 ` Avi Kivity
2011-08-21 23:31 ` Anthony Liguori
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