From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============2626586809586794749==" MIME-Version: 1.0 From: Jet Chen To: lkp@lists.01.org Subject: [kernel/watchdog.c] ed235875e2c: -14.2% will-it-scale.scalability Date: Fri, 04 Jul 2014 11:45:31 +0800 Message-ID: <53B6235B.4050205@intel.com> List-Id: --===============2626586809586794749== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Hi Aaron, FYI, we noticed the below changes on commit ed235875e2ca983197831337a986f0517074e1a0 ("kernel/watchdog.c: print = traces for all cpus on lockup detection") test case: lkp-snb01/will-it-scale/signal1 f3aca3d09525f87 ed235875e2ca983197831337a --------------- ------------------------- 0.12 ~ 0% -14.2% 0.10 ~ 0% TOTAL will-it-scale.scalability 506146 ~ 0% -4.4% 484004 ~ 0% TOTAL will-it-scale.per_process= _ops 12193 ~ 4% +12.6% 13726 ~ 6% TOTAL slabinfo.kmalloc-256.acti= ve_objs 12921 ~ 4% +12.3% 14516 ~ 5% TOTAL slabinfo.kmalloc-256.num_= objs 123094 ~ 3% -6.5% 115117 ~ 3% TOTAL meminfo.Committed_AS Legend: ~XX% - stddev percent [+-]XX% - change percent will-it-scale.per_process_ops 515000 ++----------------------------------------------------------------= -+ | .*.*.*.*. .* = | 510000 *+* *.*.* + .*. *. = | 505000 ++ * *.*.*.*. .* .*.*.*. .*.*.*. + *.*.*.*.*= .* | * * * *.* = | 500000 ++ = | | = | 495000 ++ = | | = | 490000 ++ = | 485000 ++ O O O O O O = | | O O O O O O O O O O = | 480000 O+O O O O O = | | = | 475000 ++----------------------------------------------------------------= -+ [*] bisect-good sample [O] bisect-bad sample Disclaimer: Results have been estimated based on internal Intel analysis and are provid= ed for informational purposes only. Any difference in system hardware or softw= are design or configuration may affect actual performance. Thanks, Jet --===============2626586809586794749== Content-Type: text/plain MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="reproduce.ksh" ZWNobyBwZXJmb3JtYW5jZSA+IC9zeXMvZGV2aWNlcy9zeXN0ZW0vY3B1L2NwdTAvY3B1ZnJlcS9z Y2FsaW5nX2dvdmVybm9yCmVjaG8gcGVyZm9ybWFuY2UgPiAvc3lzL2RldmljZXMvc3lzdGVtL2Nw dS9jcHUxL2NwdWZyZXEvc2NhbGluZ19nb3Zlcm5vcgplY2hvIHBlcmZvcm1hbmNlID4gL3N5cy9k ZXZpY2VzL3N5c3RlbS9jcHUvY3B1MTAvY3B1ZnJlcS9zY2FsaW5nX2dvdmVybm9yCmVjaG8gcGVy Zm9ybWFuY2UgPiAvc3lzL2RldmljZXMvc3lzdGVtL2NwdS9jcHUxMS9jcHVmcmVxL3NjYWxpbmdf Z292ZXJub3IKZWNobyBwZXJmb3JtYW5jZSA+IC9zeXMvZGV2aWNlcy9zeXN0ZW0vY3B1L2NwdTEy L2NwdWZyZXEvc2NhbGluZ19nb3Zlcm5vcgplY2hvIHBlcmZvcm1hbmNlID4gL3N5cy9kZXZpY2Vz L3N5c3RlbS9jcHUvY3B1MTMvY3B1ZnJlcS9zY2FsaW5nX2dvdmVybm9yCmVjaG8gcGVyZm9ybWFu Y2UgPiAvc3lzL2RldmljZXMvc3lzdGVtL2NwdS9jcHUxNC9jcHVmcmVxL3NjYWxpbmdfZ292ZXJu b3IKZWNobyBwZXJmb3JtYW5jZSA+IC9zeXMvZGV2aWNlcy9zeXN0ZW0vY3B1L2NwdTE1L2NwdWZy ZXEvc2NhbGluZ19nb3Zlcm5vcgplY2hvIHBlcmZvcm1hbmNlID4gL3N5cy9kZXZpY2VzL3N5c3Rl bS9jcHUvY3B1MTYvY3B1ZnJlcS9zY2FsaW5nX2dvdmVybm9yCmVjaG8gcGVyZm9ybWFuY2UgPiAv c3lzL2RldmljZXMvc3lzdGVtL2NwdS9jcHUxNy9jcHVmcmVxL3NjYWxpbmdfZ292ZXJub3IKZWNo byBwZXJmb3JtYW5jZSA+IC9zeXMvZGV2aWNlcy9zeXN0ZW0vY3B1L2NwdTE4L2NwdWZyZXEvc2Nh bGluZ19nb3Zlcm5vcgplY2hvIHBlcmZvcm1hbmNlID4gL3N5cy9kZXZpY2VzL3N5c3RlbS9jcHUv Y3B1MTkvY3B1ZnJlcS9zY2FsaW5nX2dvdmVybm9yCmVjaG8gcGVyZm9ybWFuY2UgPiAvc3lzL2Rl dmljZXMvc3lzdGVtL2NwdS9jcHUyL2NwdWZyZXEvc2NhbGluZ19nb3Zlcm5vcgplY2hvIHBlcmZv cm1hbmNlID4gL3N5cy9kZXZpY2VzL3N5c3RlbS9jcHUvY3B1MjAvY3B1ZnJlcS9zY2FsaW5nX2dv dmVybm9yCmVjaG8gcGVyZm9ybWFuY2UgPiAvc3lzL2RldmljZXMvc3lzdGVtL2NwdS9jcHUyMS9j cHVmcmVxL3NjYWxpbmdfZ292ZXJub3IKZWNobyBwZXJmb3JtYW5jZSA+IC9zeXMvZGV2aWNlcy9z eXN0ZW0vY3B1L2NwdTIyL2NwdWZyZXEvc2NhbGluZ19nb3Zlcm5vcgplY2hvIHBlcmZvcm1hbmNl ID4gL3N5cy9kZXZpY2VzL3N5c3RlbS9jcHUvY3B1MjMvY3B1ZnJlcS9zY2FsaW5nX2dvdmVybm9y CmVjaG8gcGVyZm9ybWFuY2UgPiAvc3lzL2RldmljZXMvc3lzdGVtL2NwdS9jcHUyNC9jcHVmcmVx L3NjYWxpbmdfZ292ZXJub3IKZWNobyBwZXJmb3JtYW5jZSA+IC9zeXMvZGV2aWNlcy9zeXN0ZW0v Y3B1L2NwdTI1L2NwdWZyZXEvc2NhbGluZ19nb3Zlcm5vcgplY2hvIHBlcmZvcm1hbmNlID4gL3N5 cy9kZXZpY2VzL3N5c3RlbS9jcHUvY3B1MjYvY3B1ZnJlcS9zY2FsaW5nX2dvdmVybm9yCmVjaG8g cGVyZm9ybWFuY2UgPiAvc3lzL2RldmljZXMvc3lzdGVtL2NwdS9jcHUyNy9jcHVmcmVxL3NjYWxp bmdfZ292ZXJub3IKZWNobyBwZXJmb3JtYW5jZSA+IC9zeXMvZGV2aWNlcy9zeXN0ZW0vY3B1L2Nw dTI4L2NwdWZyZXEvc2NhbGluZ19nb3Zlcm5vcgplY2hvIHBlcmZvcm1hbmNlID4gL3N5cy9kZXZp Y2VzL3N5c3RlbS9jcHUvY3B1MjkvY3B1ZnJlcS9zY2FsaW5nX2dvdmVybm9yCmVjaG8gcGVyZm9y bWFuY2UgPiAvc3lzL2RldmljZXMvc3lzdGVtL2NwdS9jcHUzL2NwdWZyZXEvc2NhbGluZ19nb3Zl cm5vcgplY2hvIHBlcmZvcm1hbmNlID4gL3N5cy9kZXZpY2VzL3N5c3RlbS9jcHUvY3B1MzAvY3B1 ZnJlcS9zY2FsaW5nX2dvdmVybm9yCmVjaG8gcGVyZm9ybWFuY2UgPiAvc3lzL2RldmljZXMvc3lz dGVtL2NwdS9jcHUzMS9jcHVmcmVxL3NjYWxpbmdfZ292ZXJub3IKZWNobyBwZXJmb3JtYW5jZSA+ IC9zeXMvZGV2aWNlcy9zeXN0ZW0vY3B1L2NwdTQvY3B1ZnJlcS9zY2FsaW5nX2dvdmVybm9yCmVj aG8gcGVyZm9ybWFuY2UgPiAvc3lzL2RldmljZXMvc3lzdGVtL2NwdS9jcHU1L2NwdWZyZXEvc2Nh bGluZ19nb3Zlcm5vcgplY2hvIHBlcmZvcm1hbmNlID4gL3N5cy9kZXZpY2VzL3N5c3RlbS9jcHUv Y3B1Ni9jcHVmcmVxL3NjYWxpbmdfZ292ZXJub3IKZWNobyBwZXJmb3JtYW5jZSA+IC9zeXMvZGV2 aWNlcy9zeXN0ZW0vY3B1L2NwdTcvY3B1ZnJlcS9zY2FsaW5nX2dvdmVybm9yCmVjaG8gcGVyZm9y bWFuY2UgPiAvc3lzL2RldmljZXMvc3lzdGVtL2NwdS9jcHU4L2NwdWZyZXEvc2NhbGluZ19nb3Zl cm5vcgplY2hvIHBlcmZvcm1hbmNlID4gL3N5cy9kZXZpY2VzL3N5c3RlbS9jcHUvY3B1OS9jcHVm cmVxL3NjYWxpbmdfZ292ZXJub3IKLi9ydW50ZXN0LnB5IHNpZ25hbDEgMjUgMSA4IDE2IDI0IDMy Cgo= --===============2626586809586794749==-- From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759981AbaGDDp7 (ORCPT ); Thu, 3 Jul 2014 23:45:59 -0400 Received: from mga02.intel.com ([134.134.136.20]:32420 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752250AbaGDDpo (ORCPT ); Thu, 3 Jul 2014 23:45:44 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.01,598,1400050800"; d="scan'208";a="538647283" Message-ID: <53B6235B.4050205@intel.com> Date: Fri, 04 Jul 2014 11:45:31 +0800 From: Jet Chen User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Aaron Tomlin CC: Fengguang Wu , Dave Hansen , Linux Kernel Mailing List , LKP Subject: [kernel/watchdog.c] ed235875e2c: -14.2% will-it-scale.scalability Content-Type: multipart/mixed; boundary="------------090705020802020808050504" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is a multi-part message in MIME format. --------------090705020802020808050504 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Hi Aaron, FYI, we noticed the below changes on commit ed235875e2ca983197831337a986f0517074e1a0 ("kernel/watchdog.c: print traces for all cpus on lockup detection") test case: lkp-snb01/will-it-scale/signal1 f3aca3d09525f87 ed235875e2ca983197831337a --------------- ------------------------- 0.12 ~ 0% -14.2% 0.10 ~ 0% TOTAL will-it-scale.scalability 506146 ~ 0% -4.4% 484004 ~ 0% TOTAL will-it-scale.per_process_ops 12193 ~ 4% +12.6% 13726 ~ 6% TOTAL slabinfo.kmalloc-256.active_objs 12921 ~ 4% +12.3% 14516 ~ 5% TOTAL slabinfo.kmalloc-256.num_objs 123094 ~ 3% -6.5% 115117 ~ 3% TOTAL meminfo.Committed_AS Legend: ~XX% - stddev percent [+-]XX% - change percent will-it-scale.per_process_ops 515000 ++-----------------------------------------------------------------+ | .*.*.*.*. .* | 510000 *+* *.*.* + .*. *. | 505000 ++ * *.*.*.*. .* .*.*.*. .*.*.*. + *.*.*.*.*.* | * * * *.* | 500000 ++ | | | 495000 ++ | | | 490000 ++ | 485000 ++ O O O O O O | | O O O O O O O O O O | 480000 O+O O O O O | | | 475000 ++-----------------------------------------------------------------+ [*] bisect-good sample [O] bisect-bad sample 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, Jet --------------090705020802020808050504 Content-Type: text/plain; charset=UTF-8; name="reproduce" Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="reproduce" echo performance > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu10/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu11/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu12/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu13/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu14/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu15/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu16/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu17/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu18/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu19/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu2/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu20/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu21/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu22/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu23/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu24/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu25/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu26/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu27/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu28/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu29/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu3/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu30/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu31/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu4/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu5/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu6/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu7/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu8/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu9/cpufreq/scaling_governor ./runtest.py signal1 25 1 8 16 24 32 --------------090705020802020808050504--