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-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/