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Re: [et-mgmt-tools] Virt-manager and qemu logging



On Fri, Feb 06, 2009 at 08:37:58PM +0100, Radek Hladik wrote:
> Hi,
> 	I am using virt-manager+libvirt+kvmqemu and I noticed today that 
> 	when virt-manager is running and polling VMs stats libvirt log in 
> /var/log/libivrt/qemu/vmname is filling with messages like
> 
> info blockstats
> ide0-hd0: rd_bytes=16710828032 <http://www.snapanumber.com/> 
> wr_bytes=2248787148 <http://www.snapanumber.com/>8 rd_operations=382576 
> wr_oper
> ations=1579878
> ide1-cd0: rd_bytes=936448 wr_bytes=0 rd_operations=456 wr_operations=0
> floppy0: rd_bytes=0 wr_bytes=0 rd_operations=0 wr_operations=0
> sd0: rd_bytes=0 wr_bytes=0 rd_operations=0 wr_operations=0
> 
> 
> is this needed for virt-manager to poll the info or have I only 
> forgotten to disable some debugging somewhere? I tried to change loging 
> parameter in libvirt.conf but that had no effect (I didnt restart the 
> VMs though).

It is not really virt-manager's fault - its just monitoring disk & net
I/O stats. The problem is libvirt logging every single monitor command
it runs to that file. This needs to be removed, and replaced with 
calls to VIR_DEBUG() which is a logging API that's disabled by default

Daniel
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