Re: [kvm-devel] performance with guests running 2.4 kernels (specifically RHEL3)

[Avi K. <av...@qu...>]

David S. Ahern wrote:
> Another tidbit for you guys as I make my way through various permutations:
> I installed the RHEL3 hugemem kernel and the guest behavior is *much* better.
> System time still has some regular hiccups that are higher than xen and esx
> (e.g., 1 minute samples out of 5 show system time between 10 and 15%), but
> overall guest behavior is good with the hugemem kernel.
>
>   

Wait, the amount of info here is overwhelming. Let's stick with the 
current kernel (32-bit, HIGHMEM4G, right?)

Did you get any traces with bypass_guest_pf=0? That may show more info.

-- 

Any sufficiently difficult bug is indistinguishable from a feature.