Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753221AbaFCKJH (ORCPT ); Tue, 3 Jun 2014 06:09:07 -0400 Received: from mga03.intel.com ([143.182.124.21]:65522 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751574AbaFCKJF (ORCPT ); Tue, 3 Jun 2014 06:09:05 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.98,964,1392192000"; d="scan'208";a="440224955" Message-ID: <538D9EA9.6070406@intel.com> Date: Tue, 03 Jun 2014 18:08:41 +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: "Paul E. McKenney" CC: LKML , lkp@01.org, Fengguang Wu Subject: [rcu] 5057f55e543: -23.5% qperf.udp.recv_bw Content-Type: multipart/mixed; boundary="------------010209070405030808090100" 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. --------------010209070405030808090100 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Hi Paul, FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/fixes commit 5057f55e543b7859cfd26bc281291795eac93f8a ("rcu: Bind RCU grace-period kthreads if NO_HZ_FULL") 71a9b26963f8c2d 5057f55e543b7859cfd26bc28 --------------- ------------------------- 2.127e+09 ~ 0% -23.5% 1.628e+09 ~ 4% bens/qperf/600s 2.127e+09 ~ 0% -23.5% 1.628e+09 ~ 4% TOTAL qperf.udp.recv_bw 71a9b26963f8c2d 5057f55e543b7859cfd26bc28 --------------- ------------------------- 2.128e+09 ~ 0% -23.3% 1.633e+09 ~ 4% bens/qperf/600s 2.128e+09 ~ 0% -23.3% 1.633e+09 ~ 4% TOTAL qperf.udp.send_bw 71a9b26963f8c2d 5057f55e543b7859cfd26bc28 --------------- ------------------------- 2.101e+10 ~ 2% -18.7% 1.707e+10 ~ 2% bens/iperf/300s-tcp 2.101e+10 ~ 2% -18.7% 1.707e+10 ~ 2% TOTAL iperf.tcp.sender.bps 71a9b26963f8c2d 5057f55e543b7859cfd26bc28 --------------- ------------------------- 2.101e+10 ~ 2% -18.7% 1.707e+10 ~ 2% bens/iperf/300s-tcp 2.101e+10 ~ 2% -18.7% 1.707e+10 ~ 2% TOTAL iperf.tcp.receiver.bps 71a9b26963f8c2d 5057f55e543b7859cfd26bc28 --------------- ------------------------- 1.331e+09 ~ 2% -5.8% 1.255e+09 ~ 2% bens/qperf/600s 2.4e+09 ~ 6% -30.4% 1.671e+09 ~12% brickland3/qperf/600s 2.384e+09 ~ 7% -12.1% 2.096e+09 ~ 3% lkp-sb03/qperf/600s 6.115e+09 ~ 5% -17.9% 5.022e+09 ~ 6% TOTAL qperf.sctp.bw 71a9b26963f8c2d 5057f55e543b7859cfd26bc28 --------------- ------------------------- 2.83e+09 ~ 1% -12.5% 2.476e+09 ~ 3% bens/qperf/600s 2.83e+09 ~ 1% -12.5% 2.476e+09 ~ 3% TOTAL qperf.tcp.bw 71a9b26963f8c2d 5057f55e543b7859cfd26bc28 --------------- ------------------------- 2.272e+08 ~ 1% -13.3% 1.97e+08 ~ 2% bens/qperf/600s 2.272e+08 ~ 1% -13.3% 1.97e+08 ~ 2% TOTAL proc-vmstat.pgalloc_dma32 71a9b26963f8c2d 5057f55e543b7859cfd26bc28 --------------- ------------------------- 53062 ~ 2% -35.1% 34464 ~ 3% bens/qperf/600s 109531 ~13% +46.9% 160928 ~ 5% brickland3/qperf/600s 67902 ~ 1% +13.8% 77302 ~ 3% lkp-sb03/qperf/600s 230496 ~ 7% +18.3% 272694 ~ 4% TOTAL softirqs.RCU 71a9b26963f8c2d 5057f55e543b7859cfd26bc28 --------------- ------------------------- 80344 ~ 1% -26.2% 59325 ~ 2% bens/qperf/600s 80344 ~ 1% -26.2% 59325 ~ 2% TOTAL softirqs.SCHED 71a9b26963f8c2d 5057f55e543b7859cfd26bc28 --------------- ------------------------- 1036 ~ 4% -17.6% 853 ~ 4% brickland3/qperf/600s 1036 ~ 4% -17.6% 853 ~ 4% TOTAL proc-vmstat.nr_page_table_pages 71a9b26963f8c2d 5057f55e543b7859cfd26bc28 --------------- ------------------------- 48.12 ~ 0% -11.7% 42.46 ~ 6% brickland3/qperf/600s 48.12 ~ 0% -11.7% 42.46 ~ 6% TOTAL turbostat.%pc2 71a9b26963f8c2d 5057f55e543b7859cfd26bc28 --------------- ------------------------- 74689352 ~ 1% -13.3% 64771743 ~ 2% bens/qperf/600s 74689352 ~ 1% -13.3% 64771743 ~ 2% TOTAL proc-vmstat.pgalloc_normal 71a9b26963f8c2d 5057f55e543b7859cfd26bc28 --------------- ------------------------- 3.019e+08 ~ 1% -13.3% 2.618e+08 ~ 2% bens/qperf/600s 3.019e+08 ~ 1% -13.3% 2.618e+08 ~ 2% TOTAL proc-vmstat.pgfree 71a9b26963f8c2d 5057f55e543b7859cfd26bc28 --------------- ------------------------- 23538414 ~ 0% -12.9% 20506157 ~ 2% bens/qperf/600s 23538414 ~ 0% -12.9% 20506157 ~ 2% TOTAL proc-vmstat.numa_local 71a9b26963f8c2d 5057f55e543b7859cfd26bc28 --------------- ------------------------- 23538414 ~ 0% -12.9% 20506157 ~ 2% bens/qperf/600s 23538414 ~ 0% -12.9% 20506157 ~ 2% TOTAL proc-vmstat.numa_hit 71a9b26963f8c2d 5057f55e543b7859cfd26bc28 --------------- ------------------------- 12789 ~ 1% -10.9% 11391 ~ 2% bens/qperf/600s 12789 ~ 1% -10.9% 11391 ~ 2% TOTAL softirqs.HRTIMER 71a9b26963f8c2d 5057f55e543b7859cfd26bc28 --------------- ------------------------- 481253 ~ 0% -8.9% 438624 ~ 0% bens/qperf/600s 481253 ~ 0% -8.9% 438624 ~ 0% TOTAL softirqs.TIMER 71a9b26963f8c2d 5057f55e543b7859cfd26bc28 --------------- ------------------------- 1297 ~33% +565.9% 8640 ~ 7% bens/iperf/300s-tcp 2788 ~ 3% +588.8% 19204 ~ 4% bens/qperf/600s 1191 ~ 5% +1200.9% 15493 ~ 4% brickland3/qperf/600s 1135 ~26% +1195.9% 14709 ~ 4% lkp-sb03/qperf/600s 6411 ~13% +805.3% 58047 ~ 4% TOTAL time.involuntary_context_switches 71a9b26963f8c2d 5057f55e543b7859cfd26bc28 --------------- ------------------------- 72398 ~ 1% -5.4% 68503 ~ 0% bens/qperf/600s 8789 ~ 4% +22.3% 10749 ~15% lkp-sb03/qperf/600s 81187 ~ 1% -2.4% 79253 ~ 2% TOTAL vmstat.system.in 71a9b26963f8c2d 5057f55e543b7859cfd26bc28 --------------- ------------------------- 141174 ~ 1% -5.4% 133551 ~ 0% bens/qperf/600s 143982 ~ 1% -4.4% 137600 ~ 0% brickland3/qperf/600s 285156 ~ 1% -4.9% 271152 ~ 0% TOTAL vmstat.system.cs 71a9b26963f8c2d 5057f55e543b7859cfd26bc28 --------------- ------------------------- 42351859 ~ 0% -5.3% 40114932 ~ 0% bens/qperf/600s 43015383 ~ 1% -4.4% 41143092 ~ 0% brickland3/qperf/600s 85367242 ~ 1% -4.8% 81258025 ~ 0% TOTAL time.voluntary_context_switches 71a9b26963f8c2d 5057f55e543b7859cfd26bc28 --------------- ------------------------- 146 ~ 0% -2.2% 143 ~ 0% bens/qperf/600s 147 ~ 1% -4.8% 140 ~ 1% brickland3/qperf/600s 293 ~ 0% -3.5% 283 ~ 0% TOTAL time.percent_of_cpu_this_job_got 71a9b26963f8c2d 5057f55e543b7859cfd26bc28 --------------- ------------------------- 872 ~ 0% -2.3% 853 ~ 0% bens/qperf/600s 874 ~ 1% -4.6% 834 ~ 1% brickland3/qperf/600s 1747 ~ 0% -3.4% 1687 ~ 0% TOTAL time.system_time Legend: ~XX% - stddev percent [+-]XX% - change percent 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 --------------010209070405030808090100 Content-Type: text/plain; charset=UTF-8; name="reproduce" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="reproduce" ZWNobyBwZXJmb3JtYW5jZSA+IC9zeXMvZGV2aWNlcy9zeXN0ZW0vY3B1L2NwdTAvY3B1ZnJl cS9zY2FsaW5nX2dvdmVybm9yCmVjaG8gcGVyZm9ybWFuY2UgPiAvc3lzL2RldmljZXMvc3lz dGVtL2NwdS9jcHUxL2NwdWZyZXEvc2NhbGluZ19nb3Zlcm5vcgplY2hvIHBlcmZvcm1hbmNl ID4gL3N5cy9kZXZpY2VzL3N5c3RlbS9jcHUvY3B1Mi9jcHVmcmVxL3NjYWxpbmdfZ292ZXJu b3IKZWNobyBwZXJmb3JtYW5jZSA+IC9zeXMvZGV2aWNlcy9zeXN0ZW0vY3B1L2NwdTMvY3B1 ZnJlcS9zY2FsaW5nX2dvdmVybm9yCi4vcnVudGVzdC5weSB1bmxpbmsxIDMyIDEgMiAzIDQK --------------010209070405030808090100-- -- 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/