RE: [Xen-devel] Xrenstore and many save/restore cycles...

["Petersson, Mats" <Mats.Petersson@xxxxxxx>]

> -----Original Message-----
> From: Petersson, Mats 
> Sent: 10 May 2007 17:30
> To: Petersson, Mats; Daniel P. Berrange
> Cc: xen-devel@xxxxxxxxxxxxxxxxxxx; Keir Fraser
> Subject: RE: [Xen-devel] Xrenstore and many save/restore cycles...
> 
>  
> 
> > -----Original Message-----
> > From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx 
> > [mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of 
> > Petersson, Mats
> > Sent: 10 May 2007 16:51
> > To: Daniel P. Berrange
> > Cc: xen-devel@xxxxxxxxxxxxxxxxxxx; Keir Fraser
> > Subject: RE: [Xen-devel] Xrenstore and many save/restore cycles...
> > 
> > > > It seems like I've got a lot of 
> > > /local/domain/0/backend/console/* stuff
> > > > tho. Not sure if I have any other .../0/backend/* stuff 
> > as well, but
> > > > certainly there are literally thousands of consoles there.. 
> > > > 
> > > > Trying to locate where these are created and restored, but 
> > > no success
> > > > yet. 
> > 
> > /s/restored/destroyed/ above.
> > > 
> > > If its the virtual framebuffer bits, then they're populated 
> > > in a couple
> > > of places
> > > 
> > > tools/python/xen/xend/server/vfbif.py
> > 
> > 
> > Thanks Daniel, 
> > 
> > I don't think it's the vfb, as it's called "console" in the 
> xenstore. 
> > 
> > Attached is the diff (xs.diff) between an "early days" and "current"
> > xenstore-ls output whilst running a save/restore script and 
> the "early
> > days" output (xs.saved). [This is after a restart of the 
> machine with
> > the latest xen-unstable (c/s 15017). I also cleaned out the original
> > database for xenstore, to be sure that all is "neat"]. 
> 
> Also just noticed that this "growth" of the Xenstore happens 
> on normal "create/destroy" too.
> 
> Still trying to understand where these are supposed to be removed. 

As far as I can tell, the device should be removed around the place
where the domains device is removed - around line 1340 in
XendDomainInfo. But I'm still unsure about how this actually works. 

--
Mats
> 
> --
> Mats
> > 
> > --
> > Mats
> > 
> > 



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