[libvirt] [PATCH] Don't log qemu monitor output from blockStats

Daniel P. Berrange berrange at redhat.com
Mon Mar 2 19:51:49 UTC 2009


On Mon, Mar 02, 2009 at 01:57:45PM -0500, Cole Robinson wrote:
> Daniel P. Berrange wrote:
> > On Mon, Mar 02, 2009 at 01:27:33PM -0500, Cole Robinson wrote:
> >> The attached patch changes the qemu driver blockStats command to not log
> >> qemu monitor output. virt-manager offers an option to continually poll
> >> VM disk stats, and if the app is left running for a while with many VMs,
> >> this can make the logs huge, for little benefit (a user reported 100 MB
> >> with virt-manager left running overnight).
> >>
> >> The output from the command is still printed with a DEBUG call, so the
> >> info isn't completely lost.
> > 
> > IMHO we should just disable all this logging rather than adding a second
> > method. If we need to debug the arg/replies, then libvirtd now have proper
> > logging we can turn on/off as needed, without having to dup this via the
> > per-VM logfile. So, just rely on VIR_DEBUG() macros instead.
> > 
> 
> Would the VM logfile then just be for qemu cmdline and stdout messages?

Yeah, that's the idea.

Daniel
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