From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752199AbaLRIQF (ORCPT ); Thu, 18 Dec 2014 03:16:05 -0500 Received: from mga11.intel.com ([192.55.52.93]:39212 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750720AbaLRIQE (ORCPT ); Thu, 18 Dec 2014 03:16:04 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.07,599,1413270000"; d="yaml'?scan'208";a="639527362" Message-ID: <1418890547.26403.4.camel@intel.com> Subject: [LKP] [x86, mm] 982792c782e: -12.3% boot-meminfo.SUnreclaim From: Huang Ying To: Yinghai Lu Cc: Linus Torvalds , LKML , LKP ML Date: Thu, 18 Dec 2014 16:15:47 +0800 Content-Type: multipart/mixed; boundary="=-Rg7sOIlNTMRZ05lGqdPb" X-Mailer: Evolution 3.12.9-1 Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-Rg7sOIlNTMRZ05lGqdPb Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit FYI, we noticed the below changes on commit 982792c782ef337381e982fd2047391886f89693 ("x86, mm: probe memory block size for generic x86 64bit") I think this is use memory size reduction, so should be a good thing. testbox/testcase/testparams: brickland3/boot/1 c46a7c817e662a82 982792c782ef337381e982fd20 ---------------- -------------------------- %stddev %change %stddev \ | \ 128348 ± 0% -12.3% 112541 ± 1% boot-meminfo.SUnreclaim 903719 ± 0% -13.9% 778082 ± 0% boot-slabinfo.num_objs 169283 ± 0% -9.7% 152819 ± 1% boot-meminfo.Slab 45691 ± 0% -8.2% 41954 ± 1% boot-slabinfo.num_pages brickland3: Brickland Ivy Bridge-EX Memory: 512G boot-slabinfo.num_objs 940000 ++-----------------------------------------------------------------+ 920000 ++ *. * | *.**.**.*. : * + *.* .*.**. *.*. .* .* | 900000 ++ * *.* * * ** * * | 880000 ++ | | | 860000 ++ | 840000 ++ | 820000 ++ | | | 800000 O+ O O | 780000 ++OO O O OO OO OO O O O OO O O OO O | OO O O OO O O OO O O O O OO | 760000 ++ O O O O | 740000 ++-----------------------------------------------------------------+ [*] bisect-good sample [O] bisect-bad sample To reproduce: apt-get install ruby ruby-oj git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git cd lkp-tests bin/setup-local job.yaml # the job file attached in this email bin/run-local job.yaml Disclaimer: Results have been estimated based on internal Intel analysis and are provided for informational purposes only. Any difference in system hardware or software design or configuration may affect actual performance. Thanks, Huang, Ying --=-Rg7sOIlNTMRZ05lGqdPb Content-Type: text/plain; charset=us-ascii Content-Disposition: attachment; filename="job.yaml" Content-Transfer-Encoding: 7bit --- testcase: boot boot-meminfo: boot-slabinfo: boot-memory: memmap: bootmem: default_monitors: boottime: kernel-size: sleep: 1 kconfig: x86_64-rhel kernel: "/kernel/x86_64-rhel/19583ca584d6f574384e17fe7613dfaeadcdc4a6/vmlinuz-3.16.0" commit: 19583ca584d6f574384e17fe7613dfaeadcdc4a6 user: lkp queue: wfg testbox: brickland3 branch: linus/master enqueue_time: 2014-09-25 21:56:15.069539322 +08:00 result_root: "/result/brickland3/boot/1/debian-x86_64.cgz/x86_64-rhel/19583ca584d6f574384e17fe7613dfaeadcdc4a6/0" job_file: "/lkp/scheduled/brickland3/wfg_boot-1-x86_64-rhel-19583ca584d6f574384e17fe7613dfaeadcdc4a6-0.yaml" dequeue_time: 2014-09-25 22:00:26.067849442 +08:00 job_state: finished loadavg: 1.09 0.29 0.10 1/979 3413 start_time: '1411653710' end_time: '1411653711' version: "/lkp/lkp/.src-20140925-212910" --=-Rg7sOIlNTMRZ05lGqdPb Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable _______________________________________________ LKP mailing list LKP@linux.intel.com =0D --=-Rg7sOIlNTMRZ05lGqdPb--