Re: [kvm-devel] [PATCH 0/2] Batch writes to MMIO

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

Anthony Liguori wrote:
>>
>> How can I check that ? How can I measure latency ?
>>   
>
> ping (from guest to host)
>

The guest will halt anyway, flushing its mmio queue.

Perhaps a ping while a background process spins, consuming all cpu.

-- 
Do not meddle in the internals of kernels, for they are subtle and quick to panic.