From mboxrd@z Thu Jan 1 00:00:00 1970 From: Xiao Guangrong Subject: Re: [PATCH v4 00/11] KVM: x86: optimize for writing guest page Date: Thu, 10 Nov 2011 21:28:48 +0800 Message-ID: <4EBBD190.2020404@gmail.com> References: <4E7AF758.7060900@cn.fujitsu.com> <20111006175333.GA3959@amt.cnet> <4E8FCC37.8090409@cn.fujitsu.com> <4E91926D.8060206@redhat.com> <4E91A3AA.1000309@redhat.com> <4E940018.1010908@cn.fujitsu.com> <4EB3AD54.9050605@gmail.com> <4EB6A958.9030007@redhat.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="------------080108020405030807050109" Cc: Xiao Guangrong , Marcelo Tosatti , LKML , KVM To: Avi Kivity Return-path: In-Reply-To: <4EB6A958.9030007@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org This is a multi-part message in MIME format. --------------080108020405030807050109 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit 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? :) --------------080108020405030807050109 Content-Type: application/x-bzip; name="result.tar.bz2" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="result.tar.bz2" QlpoOTFBWSZTWUPcrW4AD4j/hPyQVEBA4//wBuacIP9n3qAAAIAIUAP+HIBQAAOYACYAAmAA AAABzAATAAEwAAAAAGmpom1NQNGowBAaZGABMQYcwAEwABMAAAAAApUiaTyEJtJPI01J5T1N o1B6jTT1HpPU/Ip8vq+/e/Dw727Rv6c1MalHcTFgT1PXt4dZi3cfHDnid5OAxYpYKuBM2RMG RMiUy5k3E/cn2J/Dq93X7tu7q9Ho1357abba7bfd2o5FXuJ2FXosUlPKwSJ9QQUgIP4BBUos OtUWKFmmptEMRBYrS57QnjCcq8l6uj8AIAjQkSCSkxnJIZYiREi8hxDEGTw7Lcwya4yxlsy3 bs9/aTyJ4idomCcxV4E7CZBP0Jo0TGEzJgn0CZFX8SbyeJSMycBPzJ7yZk95PiJzCfIJ+ATI nkT1hMirr3kw6SZEyJs9OjwLN6/VjZxTQX7ft3PniuOLXXO12xwfj48uhlo6wmrdhpwssmPa xuvGf99/J1acXN5hNUz45GWm/GeXBixqyadeXXizw3+YTA46saujbopu7Oim5x3N1oSwZSFb 1jUewIYyQFCEAJQIqFERxRhCEoG/mE2Cb2rixzYa2Nbbg6MteLlvrq06bHLlcGnDHDlsM6Jo 0z3GLcuwn/CL5hP7k4E9s/XBimGMDD9WMTLJkWGPAJ0k/0E37EXzIsu8J8yZfkTiT4CZ/EmL 8/5VP6EwJ5Ez9JOJPc+wTIn+wnvJ8CYE3k44IuJNicSdBMyfD+ZME+JNAnWJ55ScPpsE+ons JtU4BOknsJ0ky8/kRdoTodxPImxO8nyCak9VUNwT9ycAmAn3JuJyJmTyJsTiTkTmRYO4TPeU 7yfQE6rhu7Cbef/vEm9sTweDsJmTBPYT0hOJPaE1FXrJvuBPAJupOspqJ6qTFT8SYJ0E0CcS eneTtKt4TMJipkTBOkmgn2vuTiTUJzpf/F3JFOFCQQ9ytbg= --------------080108020405030807050109--