Re: [kvm-devel] [patch 2/2] QEMU: decrease console "refresh rate" with -nographic

[Carsten O. <co...@de...>]

Anthony Liguori wrote:
> There is a 5th option.  Do away with the use of posix aio.  We get 
> absolutely no benefit from it because it's limited to a single thread.  
> Fabrice has reverted a patch to change that in the past.
How about using linux aio for it? It seems much better, because it 
doesn't use userspace threads but has a direct in-kernel 
implementation. I've had good performance on zldisk with that, and 
it's stable.