From: Adam Litke <agl@us.ibm.com>
To: "Daniel P. Berrange" <berrange@redhat.com>
Cc: Jamie Lokier <jamie@shareable.org>,
Anthony Liguori <aliguori@us.ibm.com>,
agl@linux.vnet.ibm.com, linux-kernel@vger.kernel.org,
qemu-devel@nongnu.org, virtualization@lists.linux-foundation.org,
Avi Kivity <avi@redhat.com>
Subject: Re: [Qemu-devel] Re: virtio: Add memory statistics reporting to the balloon driver
Date: Wed, 11 Nov 2009 07:26:24 -0600 [thread overview]
Message-ID: <1257945984.2876.1.camel@aglitke> (raw)
In-Reply-To: <20091111101223.GA22937@redhat.com>
On Wed, 2009-11-11 at 10:12 +0000, Daniel P. Berrange wrote:
> This all suggests that we should only update the stats from the guest
> when something on the host actually asks for them by issuing the QEMU
> monitor command. We don't want any kind of continuous polling of stats
> at any frequency, if nothing is using these stats on the host.
Agreed. The next version of the patch will remove the timer completely.
We'll wake up in response to config change notifications only.
--
Thanks,
Adam
WARNING: multiple messages have this Message-ID (diff)
From: Adam Litke <agl@us.ibm.com>
To: "Daniel P. Berrange" <berrange@redhat.com>
Cc: Anthony Liguori <aliguori@us.ibm.com>,
agl@linux.vnet.ibm.com, qemu-devel@nongnu.org,
linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org,
Avi Kivity <avi@redhat.com>
Subject: Re: [Qemu-devel] Re: virtio: Add memory statistics reporting to the balloon driver
Date: Wed, 11 Nov 2009 07:26:24 -0600 [thread overview]
Message-ID: <1257945984.2876.1.camel@aglitke> (raw)
In-Reply-To: <20091111101223.GA22937@redhat.com>
On Wed, 2009-11-11 at 10:12 +0000, Daniel P. Berrange wrote:
> This all suggests that we should only update the stats from the guest
> when something on the host actually asks for them by issuing the QEMU
> monitor command. We don't want any kind of continuous polling of stats
> at any frequency, if nothing is using these stats on the host.
Agreed. The next version of the patch will remove the timer completely.
We'll wake up in response to config change notifications only.
--
Thanks,
Adam
next prev parent reply other threads:[~2009-11-11 13:26 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-09 16:07 [Qemu-devel] [RFC] virtio: Report new guest memory statistics pertinent to memory ballooning (V2) Adam Litke
2009-11-09 16:32 ` virtio: Add memory statistics reporting to the balloon driver Adam Litke
2009-11-09 16:32 ` [Qemu-devel] " Adam Litke
2009-11-10 2:42 ` Rusty Russell
2009-11-10 2:42 ` Rusty Russell
2009-11-10 2:42 ` [Qemu-devel] " Rusty Russell
2009-11-10 14:36 ` Anthony Liguori
2009-11-10 14:36 ` Anthony Liguori
2009-11-10 14:43 ` Avi Kivity
2009-11-10 14:43 ` Avi Kivity
2009-11-10 14:43 ` Avi Kivity
2009-11-10 14:58 ` Anthony Liguori
2009-11-10 14:58 ` Anthony Liguori
2009-11-10 14:58 ` Anthony Liguori
2009-11-11 9:24 ` Jamie Lokier
2009-11-11 9:24 ` Jamie Lokier
2009-11-11 9:24 ` Jamie Lokier
2009-11-11 10:12 ` Daniel P. Berrange
2009-11-11 10:12 ` Daniel P. Berrange
2009-11-11 13:26 ` Adam Litke [this message]
2009-11-11 13:26 ` Adam Litke
2009-11-11 15:00 ` Avi Kivity
2009-11-11 15:00 ` Avi Kivity
2009-11-11 15:00 ` Avi Kivity
2009-11-11 13:26 ` Adam Litke
2009-11-11 10:12 ` Daniel P. Berrange
2009-11-10 23:59 ` Rusty Russell
2009-11-10 23:59 ` Rusty Russell
2009-11-10 23:59 ` Rusty Russell
2009-11-10 14:36 ` Anthony Liguori
2009-11-10 21:52 ` Anthony Liguori
2009-11-10 21:52 ` [Qemu-devel] " Anthony Liguori
2009-11-11 0:02 ` Rusty Russell
2009-11-11 0:02 ` Rusty Russell
2009-11-11 0:02 ` [Qemu-devel] " Rusty Russell
2009-11-11 0:07 ` Anthony Liguori
2009-11-11 0:07 ` [Qemu-devel] " Anthony Liguori
2009-11-11 2:43 ` Rusty Russell
2009-11-11 2:43 ` [Qemu-devel] " Rusty Russell
2009-11-11 15:08 ` Adam Litke
2009-11-11 15:08 ` [Qemu-devel] " Adam Litke
2009-11-12 2:29 ` Rusty Russell
2009-11-12 2:29 ` Rusty Russell
2009-11-12 2:29 ` [Qemu-devel] " Rusty Russell
2009-11-11 15:08 ` Adam Litke
2009-11-11 2:43 ` Rusty Russell
2009-11-11 0:07 ` Anthony Liguori
2009-11-10 21:52 ` Anthony Liguori
2009-11-10 2:42 ` [Qemu-devel] " Rusty Russell
2009-11-10 2:42 ` Rusty Russell
2009-11-09 16:32 ` Adam Litke
2009-11-09 19:00 ` [Qemu-devel] [RFC] virtio: Report new guest memory statistics pertinent to memory ballooning (V2) Jamie Lokier
2009-11-09 19:16 ` Adam Litke
2009-11-09 21:15 ` Anthony Liguori
2009-11-10 13:23 ` Jamie Lokier
2009-11-09 19:01 ` Jamie Lokier
2009-11-09 19:23 ` Adam Litke
-- strict thread matches above, loose matches on Subject: below --
2009-11-05 22:50 [Qemu-devel] [RFC] virtio: Report new guest memory statistics pertinent to memory ballooning Adam Litke
2009-11-05 23:02 ` [Qemu-devel] virtio: Add memory statistics reporting to the balloon driver Adam Litke
2009-11-05 23:39 ` [Qemu-devel] " Anthony Liguori
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