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Date: Fri, 19 Sep 2014 15:35:44 +0200
From: Paolo Bonzini <pbonzini@redhat.com>
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Subject: Re: [Qemu-devel] [question] virtio-blk performance
 degradationhappened with virito-serial
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To: Fam Zheng <famz@redhat.com>, Amit Shah <amit.shah@redhat.com>
Cc: Zhang Haoyu <zhanghy@sangfor.com>, qemu-devel <qemu-devel@nongnu.org>, kvm <kvm@vger.kernel.org>

Il 19/09/2014 07:53, Fam Zheng ha scritto:
> Any ideas?

The obvious, but hardish one is to switch to epoll (one epoll fd per
AioContext, plus one for iohandler.c).

This would require converting iohandler.c to a GSource.

Paolo