Re: [Qemu-devel] [PATCH v4 5/8] XBZRLE: optimize XBZRLE to decrease the cache misses

2014-04-03 Thread 陈梁
I've got a world with just patches 1..5 on that's seeing corruptions, but I've not seen where the problem is. So far the world with 1..4 on hasn't hit those corruption, but maybe I need to test more. Have you tested this set with google stressapptest? Let it migrate for a few cycles

Re: [Qemu-devel] [PATCH v4 5/8] XBZRLE: optimize XBZRLE to decrease the cache misses

2014-04-03 Thread Dr. David Alan Gilbert
* (chenliang0...@icloud.com) wrote: snip Hi Dave, is it ok? -if (it-it_data +if (it-it_data it-it_addr != addr it-it_age + CACHED_PAGE_LIFETIME current_age) { I've not had a chance to retry it yet; did you try google stressapptest on it? Dave ChenLiang +

Re: [Qemu-devel] [PATCH v4 5/8] XBZRLE: optimize XBZRLE to decrease the cache misses

2014-04-03 Thread 陈梁
* (chenliang0...@icloud.com) wrote: snip Hi Dave, is it ok? -if (it-it_data +if (it-it_data it-it_addr != addr it-it_age + CACHED_PAGE_LIFETIME current_age) { I've not had a chance to retry it yet; did you try google stressapptest on it? Dave yes, I

Re: [Qemu-devel] [PATCH v4 5/8] XBZRLE: optimize XBZRLE to decrease the cache misses

2014-04-02 Thread Gonglei (Arei)
Subject: Re: [Qemu-devel] [PATCH v4 5/8] XBZRLE: optimize XBZRLE to decrease the cache misses I've got a world with just patches 1..5 on that's seeing corruptions, but I've not seen where the problem is. So far the world with 1..4 on hasn't hit those corruption, but maybe I need to test

Re: [Qemu-devel] [PATCH v4 5/8] XBZRLE: optimize XBZRLE to decrease the cache misses

2014-04-01 Thread Dr. David Alan Gilbert
I've got a world with just patches 1..5 on that's seeing corruptions, but I've not seen where the problem is. So far the world with 1..4 on hasn't hit those corruption, but maybe I need to test more. Have you tested this set with google stressapptest? Let it migrate for a few cycles with stress

[Qemu-devel] [PATCH v4 5/8] XBZRLE: optimize XBZRLE to decrease the cache misses

2014-03-26 Thread arei.gonglei
From: ChenLiang chenlian...@huawei.com Avoid hot pages being replaced by others to remarkably decrease cache misses Sample results with the test program which quote from xbzrle.txt ran in vm:(migrate bandwidth:1GE and xbzrle cache size 8MB) the test program: include stdlib.h include stdio.h