From mboxrd@z Thu Jan  1 00:00:00 1970
From: Valentine Sinitsyn <valentine.sinitsyn@gmail.com>
Subject: Re: SVM: vmload/vmsave-free VM exits?
Date: Tue, 07 Apr 2015 11:19:30 +0500
Message-ID: <552376F2.2050902@gmail.com>
References: <5520F2C8.7090102@web.de> <55216CE5.9000504@gmail.com> <55236E6F.7090705@web.de> <552374E3.1060707@gmail.com> <55237590.2000305@web.de>
Mime-Version: 1.0
Content-Type: text/plain; charset=UTF-8; format=flowed
To: Jan Kiszka <jan.kiszka@web.de>, kvm <kvm@vger.kernel.org>,
 Jailhouse <jailhouse-dev@googlegroups.com>
Return-path: <jailhouse-dev+bncBCVND6X2RINBB5PNRWUQKGQEQ7DE7AY@googlegroups.com>
In-Reply-To: <55237590.2000305@web.de>
List-Post: <http://groups.google.com/group/jailhouse-dev/post>, <mailto:jailhouse-dev@googlegroups.com>
List-Help: <http://groups.google.com/support/>, <mailto:jailhouse-dev+help@googlegroups.com>
List-Archive: <http://groups.google.com/group/jailhouse-dev
Sender: jailhouse-dev@googlegroups.com
List-Subscribe: <http://groups.google.com/group/jailhouse-dev/subscribe>, <mailto:jailhouse-dev+subscribe@googlegroups.com>
List-Unsubscribe: <mailto:googlegroups-manage+175645748590+unsubscribe@googlegroups.com>,
 <http://groups.google.com/group/jailhouse-dev/subscribe>
List-Id: kvm.vger.kernel.org

On 07.04.2015 11:13, Jan Kiszka wrote:
>>> It is, at least 160 cycles with hot caches on an AMD A6-5200 APU, more
>>> towards 600 if they are colder (added some usleep to each loop in the
>>> test).
>> Great, thanks. Could you post absolute numbers, i.e how long do A and B
>> take on your CPU?
>
> A is around 1910 cycles, B about 1750.
It's with hot caches I guess? Not bad anyways, it's a pity I didn't 
observe this and didn't include this optimization from the day one.

Valentine

-- 
You received this message because you are subscribed to the Google Groups "Jailhouse" group.
To unsubscribe from this group and stop receiving emails from it, send an email to jailhouse-dev+unsubscribe@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.