From: Luiz Capitulino <lcapitulino@redhat.com>
To: Dietmar Maurer <dietmar@proxmox.com>
Cc: "aliguori@us.ibm.com" <aliguori@us.ibm.com>,
"agl@us.ibm.com" <agl@us.ibm.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
"mdroth@linux.vnet.ibm.com" <mdroth@linux.vnet.ibm.com>
Subject: Re: [Qemu-devel] [PATCH 0/3] re-enable balloon stats
Date: Tue, 11 Dec 2012 10:10:59 -0200 [thread overview]
Message-ID: <20121211101059.0b1cebe1@doriath.home> (raw)
In-Reply-To: <24E144B8C0207547AD09C467A8259F7557872153@lisa.maurer-it.com>
On Tue, 11 Dec 2012 12:05:32 +0000
Dietmar Maurer <dietmar@proxmox.com> wrote:
> > > and simply return all stats with one API call (query-ballon)?
> >
> > We can't use query-balloon because this changes query-balloon from
> > synchronous to asynchronous, and this is an incompatible change.
>
> Why don't we simply cache the last received stats, and query-ballon returns
> the cached values?
Giving that we're doing this through device properties, we'd duplicate
the interface by also returning this info in query-balloon.
However, it wouldn't be a problem to extend 'info balloon' (in HMP) with
that info. That is, 'info balloon' could use the QOM interface to query
balloon stats.
next prev parent reply other threads:[~2012-12-11 12:11 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-10 19:36 [Qemu-devel] [PATCH 0/3] re-enable balloon stats Luiz Capitulino
2012-12-10 19:36 ` [Qemu-devel] [PATCH 1/3] virtio-balloon: drop old stats code Luiz Capitulino
2012-12-10 19:36 ` [Qemu-devel] [PATCH 2/3] virtio-balloon: re-enable balloon stats Luiz Capitulino
2012-12-10 19:36 ` [Qemu-devel] [PATCH 3/3] docs: document virtio-balloon stats Luiz Capitulino
2012-12-11 5:12 ` [Qemu-devel] [PATCH 0/3] re-enable balloon stats Dietmar Maurer
2012-12-11 11:45 ` Luiz Capitulino
2012-12-11 12:05 ` Dietmar Maurer
2012-12-11 12:10 ` Luiz Capitulino [this message]
2012-12-11 12:29 ` Dietmar Maurer
2012-12-11 12:59 ` Luiz Capitulino
2012-12-11 15:14 ` Dietmar Maurer
2012-12-11 17:38 ` mdroth
2012-12-11 18:28 ` Luiz Capitulino
2012-12-11 18:30 ` Luiz Capitulino
2012-12-11 19:07 ` Dietmar Maurer
2012-12-11 19:23 ` Luiz Capitulino
2012-12-11 19:39 ` Dietmar Maurer
2012-12-11 19:41 ` Luiz Capitulino
2012-12-12 13:17 ` Dietmar Maurer
2012-12-12 13:29 ` Luiz Capitulino
2012-12-12 13:36 ` Dietmar Maurer
2012-12-12 13:40 ` Luiz Capitulino
2012-12-12 13:45 ` Dietmar Maurer
2012-12-13 12:41 ` Luiz Capitulino
2012-12-11 22:26 ` mdroth
2012-12-12 5:56 ` Dietmar Maurer
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