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| From: | Paolo Bonzini |
| Subject: | Re: [Qemu-devel] [PATCH] AioContext: fix broken ctx->dispatching optimization |
| Date: | Thu, 16 Jul 2015 11:14:37 +0200 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.0.1 |
On 16/07/2015 07:29, Fam Zheng wrote: >> This patch rewrites the ctx->dispatching optimization > > I lost track, but what was the justification of this optimization? qemu_bh_schedule's call to aio_notify were showing in the profile as 20% or so. Paolo > Anyway, awesome debugging and explanations!
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