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RE: [Xen-devel] throttling logs messages from qemu

To: "Stefano Stabellini" <stefano.stabellini@xxxxxxxxxxxxx>
Subject: RE: [Xen-devel] throttling logs messages from qemu
From: "James Harper" <james.harper@xxxxxxxxxxxxxxxx>
Date: Mon, 3 Aug 2009 19:35:43 +1000
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Thread-topic: [Xen-devel] throttling logs messages from qemu
> On Sat, 1 Aug 2009, James Harper wrote:
> > Can we revert the patch then? I assume the citrix version of xend
> > the log-throttling key in based on certain criteria but maybe it
> > appropriate for the gpl version? I mean it's pretty much useless in
> > form isn't it? It worked great for me as detecting the presence of a
> > file in /etc...
> I think it is important that we try to limit unneeded access from qemu
> to the dom0 filesystem: the fs-backend daemon was needed at boot time
> for stubdoms only because of the
> stat("/etc/disable-guest-log-throttle").
> I am sure we can figure out a better alternative that works for
> everyone.
> For example we could set a watch on xenstore for that node instead of
> just reading it.

That could work. What about having a per domain config option in the
standard config that 'xm create' picks up and puts in? That would be the
most useful to me...

Which would be less work?

When running in a stub domain, where does the logfile go?


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