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

Carsten Otte
2008-04-16T14:24:03Z

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.