From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============4435773611287820683==" MIME-Version: 1.0 From: Jet Chen To: lkp@lists.01.org Subject: [x86_64, vsyscall] 21d4ab4881a: -11.1% will-it-scale.per_process_ops Date: Wed, 18 Jun 2014 13:06:32 +0800 Message-ID: <53A11E58.3030003@intel.com> List-Id: --===============4435773611287820683== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Hi Andy, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/luto/linux.git x86/vsyscall commit 21d4ab4881ad9b257bec75d04480105dad4336e1 ("x86_64,vsyscall: Move all= of the gate_area code to vsyscall_64.c") test case: lkp-wsx01/will-it-scale/signal1 a7781f1035319a7 21d4ab4881ad9b257bec75d04 --------------- ------------------------- 259032 ~ 1% -11.1% 230288 ~ 0% TOTAL will-it-scale.per_proces= s_ops 0.04 ~ 9% +4276.2% 1.84 ~ 1% TOTAL perf-profile.cpu-cycles.= map_id_up.do_tkill.sys_tgkill.system_call_fastpath.raise 2.36 ~ 0% -63.8% 0.85 ~ 2% TOTAL perf-profile.cpu-cycles.= _atomic_dec_and_lock.free_uid.__sigqueue_free.__dequeue_signal.dequeue_sign= al 2.25 ~14% -55.2% 1.01 ~ 1% TOTAL perf-profile.cpu-cycles.= raise 42.41 ~ 0% +34.5% 57.04 ~ 0% TOTAL perf-profile.cpu-cycles.= __sigqueue_alloc.__send_signal.send_signal.do_send_sig_info.do_send_specific 40.70 ~ 0% -23.9% 30.96 ~ 0% TOTAL perf-profile.cpu-cycles.= __sigqueue_free.part.11.__dequeue_signal.dequeue_signal.get_signal_to_deliv= er.do_signal 252 ~11% -18.8% 204 ~ 9% TOTAL numa-vmstat.node1.nr_pag= e_table_pages 1012 ~11% -18.3% 827 ~ 9% TOTAL numa-meminfo.node1.PageT= ables 520 ~ 7% -17.1% 431 ~ 5% TOTAL cpuidle.C1-NHM.usage Legend: ~XX% - stddev percent [+-]XX% - change percent will-it-scale.per_process_ops 270000 ++---------------------------------------------------------------= --+ | = | 260000 *+.*..*.. .*.. .*.. .*..*... .*.. *.. .*.. *.. .*= ..* | *..*. *. *. *. .. *. .. *..*. = | 250000 ++ * * = | | = | 240000 ++ = | | = | 230000 ++ O O O O O O O O O O O= | O O O = | 220000 ++ O O O = | | O O O O = | 210000 ++ O = | | = | 200000 ++---------------------------------------------------------------= --+ [*] 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 --===============4435773611287820683== 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 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dmVybm9yCmVjaG8gcGVyZm9ybWFuY2UgPiAvc3lzL2RldmljZXMvc3lzdGVtL2NwdS9jcHU4L2Nw dWZyZXEvc2NhbGluZ19nb3Zlcm5vcgplY2hvIHBlcmZvcm1hbmNlID4gL3N5cy9kZXZpY2VzL3N5 c3RlbS9jcHUvY3B1OS9jcHVmcmVxL3NjYWxpbmdfZ292ZXJub3IKLi9ydW50ZXN0LnB5IHNpZ25h bDEgMTYgMSAxMCAyMCAzMCA0MCA2MCA4MAoK --===============4435773611287820683==-- From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933905AbaFRFJB (ORCPT ); Wed, 18 Jun 2014 01:09:01 -0400 Received: from mga01.intel.com ([192.55.52.88]:32910 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756370AbaFRFI7 (ORCPT ); Wed, 18 Jun 2014 01:08:59 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.01,499,1400050800"; d="scan'208";a="549618803" Message-ID: <53A11E58.3030003@intel.com> Date: Wed, 18 Jun 2014 13:06:32 +0800 From: Jet Chen User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: Andy Lutomirski CC: Fengguang Wu , Dave Hansen , LKML , lkp@01.org Subject: [x86_64,vsyscall] 21d4ab4881a: -11.1% will-it-scale.per_process_ops Content-Type: multipart/mixed; boundary="------------070509040904070600070609" 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. --------------070509040904070600070609 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Hi Andy, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/luto/linux.git x86/vsyscall commit 21d4ab4881ad9b257bec75d04480105dad4336e1 ("x86_64,vsyscall: Move all of the gate_area code to vsyscall_64.c") test case: lkp-wsx01/will-it-scale/signal1 a7781f1035319a7 21d4ab4881ad9b257bec75d04 --------------- ------------------------- 259032 ~ 1% -11.1% 230288 ~ 0% TOTAL will-it-scale.per_process_ops 0.04 ~ 9% +4276.2% 1.84 ~ 1% TOTAL perf-profile.cpu-cycles.map_id_up.do_tkill.sys_tgkill.system_call_fastpath.raise 2.36 ~ 0% -63.8% 0.85 ~ 2% TOTAL perf-profile.cpu-cycles._atomic_dec_and_lock.free_uid.__sigqueue_free.__dequeue_signal.dequeue_signal 2.25 ~14% -55.2% 1.01 ~ 1% TOTAL perf-profile.cpu-cycles.raise 42.41 ~ 0% +34.5% 57.04 ~ 0% TOTAL perf-profile.cpu-cycles.__sigqueue_alloc.__send_signal.send_signal.do_send_sig_info.do_send_specific 40.70 ~ 0% -23.9% 30.96 ~ 0% TOTAL perf-profile.cpu-cycles.__sigqueue_free.part.11.__dequeue_signal.dequeue_signal.get_signal_to_deliver.do_signal 252 ~11% -18.8% 204 ~ 9% TOTAL numa-vmstat.node1.nr_page_table_pages 1012 ~11% -18.3% 827 ~ 9% TOTAL numa-meminfo.node1.PageTables 520 ~ 7% -17.1% 431 ~ 5% TOTAL cpuidle.C1-NHM.usage Legend: ~XX% - stddev percent [+-]XX% - change percent will-it-scale.per_process_ops 270000 ++-----------------------------------------------------------------+ | | 260000 *+.*..*.. .*.. .*.. .*..*... .*.. *.. .*.. *.. .*..* | *..*. *. *. *. .. *. .. *..*. | 250000 ++ * * | | | 240000 ++ | | | 230000 ++ O O O O O O O O O O O | O O O | 220000 ++ O O O | | O O O O | 210000 ++ O | | | 200000 ++-----------------------------------------------------------------+ [*] 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 --------------070509040904070600070609 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/cpu32/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu33/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu34/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu35/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu36/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu37/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu38/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu39/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu4/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu40/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu41/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu42/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu43/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu44/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu45/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu46/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu47/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu48/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu49/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu5/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu50/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu51/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu52/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu53/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu54/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu55/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu56/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu57/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu58/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu59/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu6/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu60/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu61/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu62/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu63/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu64/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu65/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu66/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu67/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu68/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu69/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu7/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu70/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu71/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu72/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu73/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu74/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu75/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu76/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu77/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu78/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu79/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 16 1 10 20 30 40 60 80 --------------070509040904070600070609--