From: Eric Blake <eblake@redhat.com>
To: Stefan Hajnoczi <stefanha@redhat.com>, qemu-devel@nongnu.org
Cc: "Kevin Wolf" <kwolf@redhat.com>,
"Paolo Bonzini" <pbonzini@redhat.com>,
ming.lei@canonical.com, "Markus Armbruster" <armbru@redhat.com>,
"Lluís Vilanova" <vilanova@ac.upc.edu>
Subject: Re: [Qemu-devel] [PATCH v3 2/2] block: bump coroutine pool size for drives
Date: Mon, 07 Jul 2014 08:53:02 -0600 [thread overview]
Message-ID: <53BAB44E.4050900@redhat.com> (raw)
In-Reply-To: <1404738953-13221-3-git-send-email-stefanha@redhat.com>
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On 07/07/2014 07:15 AM, Stefan Hajnoczi wrote:
> When a BlockDriverState is associated with a storage controller
> DeviceState we expect guest I/O. Use this opportunity to bump the
> coroutine pool size by 64.
>
> This patch ensures that the coroutine pool size scales with the number
> of drives attached to the guest. It should increase coroutine pool
> usage (which makes qemu_coroutine_create() fast) without hogging too
> much memory when fewer drives are attached.
>
> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
> ---
> block.c | 6 ++++++
> 1 file changed, 6 insertions(+)
Reviewed-by: Eric Blake <eblake@redhat.com>
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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next prev parent reply other threads:[~2014-07-07 14:53 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-07 13:15 [Qemu-devel] [PATCH v3 0/2] coroutine: dynamically scale pool size Stefan Hajnoczi
2014-07-07 13:15 ` [Qemu-devel] [PATCH v3 1/2] coroutine: make pool size dynamic Stefan Hajnoczi
2014-07-07 14:52 ` Eric Blake
2014-07-07 13:15 ` [Qemu-devel] [PATCH v3 2/2] block: bump coroutine pool size for drives Stefan Hajnoczi
2014-07-07 14:53 ` Eric Blake [this message]
2014-08-01 13:15 ` [Qemu-devel] [PATCH v3 0/2] coroutine: dynamically scale pool size Stefan Hajnoczi
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