From: Paul Brook <paul@codesourcery.com>
To: qemu-devel@nongnu.org
Cc: "Zhi Yong Wu" <zwu.kernel@gmail.com>,
"Stefan Hajnoczi" <stefanha@gmail.com>,
"Alexander Graf" <agraf@suse.de>,
"Andreas Färber" <afaerber@suse.de>,
"Stefan Weil" <sw@weilnetz.de>
Subject: Re: [Qemu-devel] Memory: how to determine the max memory size of one VM?
Date: Fri, 10 Feb 2012 23:25:53 +0000 [thread overview]
Message-ID: <201202102325.54423.paul@codesourcery.com> (raw)
In-Reply-To: <4F354883.602@suse.de>
> There's two slightly different scenarios to consider here:
>
> i) User specifies command line options that cannot possibly work.
> => Ideally, yeah, we should just provide an understandable error message
> and exit with error code.
>
> ii) Some tracing of mine indicates QEMU has a highly dynamic memory
> usage during runtime, be it due to network layer, block layer or
> whatever exactly.
We do? Significant compared to the size of guest ram? That sounds like a bug.
I know I've nacked patches before (particularly SCSI ones) because they
allocarted memory proportional to the size of the guest block device request.
Paul
next prev parent reply other threads:[~2012-02-10 23:26 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-10 9:47 [Qemu-devel] Memory: how to determine the max memory size of one VM? Zhi Yong Wu
2012-02-10 10:35 ` Stefan Hajnoczi
2012-02-10 10:36 ` Stefan Hajnoczi
2012-02-10 16:40 ` Andreas Färber
2012-02-10 23:25 ` Paul Brook [this message]
2012-02-11 0:24 ` Andreas Färber
2012-02-11 0:46 ` Paul Brook
2012-02-10 11:00 ` Zhi Yong Wu
2012-02-10 11:10 ` Stefan Hajnoczi
2012-02-10 11:23 ` Zhi Yong Wu
2012-02-10 11:31 ` Stefan Hajnoczi
2012-02-10 11:53 ` Zhi Yong Wu
2012-02-10 14:08 ` Stefan Hajnoczi
2012-02-10 14:36 ` Zhi Yong Wu
2012-02-10 16:20 ` Andreas Färber
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