Re: [Xen-users] which cpu?

[George Shuklin <george.shuklin@xxxxxxxxx>]

I personally saw 100% dom0 load with 1.2Gb iscsi traffic for guest,
performing iozone tests...

But I belive this is more iscsi overhead, than xen blk driver.

Ð ÐÑÑ, 24/08/2010 Ð 07:59 -0400, Lei Lu ÐÐÑÐÑ:
> In my experience it is only dom0, domU is about 1-2% when doing heavy
> io, but dom0 can go to 20%.
> 
> Best,
> Lei
> 
> On Mon, Aug 23, 2010 at 9:19 PM, Fajar A. Nugraha <fajar@xxxxxxxxx> wrote:
> > On Tue, Aug 24, 2010 at 5:51 AM, Paras pradhan <pradhanparas@xxxxxxxxx> 
> > wrote:
> >> Which cpu is hit when domU does the heavy disk IO? dom0 cpu or domU cpu? I
> >
> > Should be both.
> >
> >> can see tapdisk in dom0 eating CPU.  I have (dom0-cpus 1) setup in xen
> >> config.
> >
> > In my experience using tapdisk increase dom0 CPU load even more
> > compared to phy:/ with LVM-backed domUs.
> >
> > --
> > Fajar
> >
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> >
> 
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