From: Xiao Guangrong <xiao.grong@gmail.com>
To: Avi Kivity <avi@redhat.com>
Cc: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>,
Marcelo Tosatti <mtosatti@redhat.com>,
LKML <linux-kernel@vger.kernel.org>, KVM <kvm@vger.kernel.org>
Subject: Re: [PATCH v4 00/11] KVM: x86: optimize for writing guest page
Date: Thu, 10 Nov 2011 21:28:48 +0800 [thread overview]
Message-ID: <4EBBD190.2020404@gmail.com> (raw)
In-Reply-To: <4EB6A958.9030007@redhat.com>
[-- Attachment #1: Type: text/plain, Size: 1075 bytes --]
On 11/06/2011 11:35 PM, Avi Kivity wrote:
> On 11/04/2011 11:16 AM, Xiao Guangrong wrote:
>>
>> I have done kernbench tests several times on my desktop, but it shows
>> very well:
>>
>> before patchset:
>> real 212.27
>> real 213.47
>> real 204.99
>> real 200.58
>> real 199.99
>> real 199.94
>> real 201.51
>> real 199.83
>> real 198.19
>> real 205.13
>>
>> after patchset:
>> real 199.90
>> real 201.89
>> real 194.54
>> real 188.71
>> real 185.75
>> real 187.70
>> real 188.99
>> real 188.53
>> real 186.29
>> real 188.25
>>
>> I will test it on our server using kvm-autotest, could you share me
>> your config file please?
>
>
> # Copy this file to tests.cfg and edit it.
> #
> # This file contains the test set definitions. Define your test sets here.
>
Thanks Avi!
I have tested RHEL.6.1 setup/boot/reboot/shutdown and the complete output of
scan_results.py is attached.
The result shows the performance is improved:
before: After:
570 529
555 538
552 531
546 528
553 559
553 527
550 523
553 533
547 538
550 526
How do you think about it? :)
[-- Attachment #2: result.tar.bz2 --]
[-- Type: application/x-bzip, Size: 737 bytes --]
next prev parent reply other threads:[~2011-11-10 13:28 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-22 8:52 [PATCH v4 00/11] KVM: x86: optimize for writing guest page Xiao Guangrong
2011-09-22 8:53 ` [PATCH v4 01/11] KVM: MMU: avoid pte_list_desc running out in kvm_mmu_pte_write Xiao Guangrong
2011-09-22 8:53 ` [PATCH v4 02/11] KVM: x86: tag the instructions which are used to write page table Xiao Guangrong
2011-09-22 8:55 ` [PATCH v4 04/11] KVM: x86: cleanup port-in/port-out emulated Xiao Guangrong
2011-09-22 8:55 ` [PATCH v4 05/11] KVM: MMU: do not mark accessed bit on pte write path Xiao Guangrong
2011-09-22 8:56 ` [PATCH v4 06/11] KVM: MMU: cleanup FNAME(invlpg) Xiao Guangrong
2011-09-22 8:56 ` [PATCH v4 07/11] KVM: MMU: fast prefetch spte on invlpg path Xiao Guangrong
2011-09-22 8:56 ` [PATCH v4 08/11] KVM: MMU: remove unnecessary kvm_mmu_free_some_pages Xiao Guangrong
2011-09-22 8:57 ` [PATCH v4 09/11] KVM: MMU: split kvm_mmu_pte_write function Xiao Guangrong
2011-09-22 8:57 ` [PATCH v4 10/11] KVM: MMU: fix detecting misaligned accessed Xiao Guangrong
2011-09-22 8:58 ` [PATCH v4 11/11] KVM: MMU: improve write flooding detected Xiao Guangrong
2011-09-22 9:02 ` [PATCH v4 03/11] KVM: x86: retry non-page-table writing instructions Xiao Guangrong
2011-09-23 11:51 ` [PATCH v4 00/11] KVM: x86: optimize for writing guest page Marcelo Tosatti
2011-09-30 3:49 ` Xiao Guangrong
2011-10-05 13:25 ` Avi Kivity
2011-10-06 17:50 ` Marcelo Tosatti
2011-10-06 17:53 ` Marcelo Tosatti
2011-10-08 4:06 ` Xiao Guangrong
2011-10-09 12:24 ` Avi Kivity
2011-10-09 13:37 ` Avi Kivity
2011-10-11 8:36 ` Xiao Guangrong
2011-11-04 9:16 ` Xiao Guangrong
2011-11-06 15:35 ` Avi Kivity
2011-11-10 13:28 ` Xiao Guangrong [this message]
2011-11-10 14:05 ` Avi Kivity
2011-11-11 3:42 ` Xiao Guangrong
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