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From: | Paolo Bonzini |
Subject: | Re: [Qemu-devel] [PATCH 0/2] coroutine: dynamically scale pool size |
Date: | Fri, 04 Jul 2014 09:06:56 +0200 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 |
Il 04/07/2014 09:02, Ming Lei ha scritto:
> So the excessive writes (to eventfd and irqfd) are not a problem? That'd be > a relief. :)I mean it is in a level, but your aio_notify() patch still can improve virtioblk dataplane performance some, in my test, with 5~10K IOPS improvement, which should belong to same level, because my test is a bit coarse, :-) IMO not only virtioblk can benefit from your patch, others can benefit too.
Definitely, but it's not the kind of patch I enjoy including 3 weeks from release. I have already broken enough eggs during the 2.1 development period. :)
Paolo
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