Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758957AbaGYGqG (ORCPT ); Fri, 25 Jul 2014 02:46:06 -0400 Received: from mga01.intel.com ([192.55.52.88]:27386 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751913AbaGYGqF (ORCPT ); Fri, 25 Jul 2014 02:46:05 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.01,729,1400050800"; d="scan'208";a="567041120" Message-ID: <53D1FD0E.4080406@intel.com> Date: Fri, 25 Jul 2014 14:45:34 +0800 From: Aaron Lu MIME-Version: 1.0 To: "Paul E. McKenney" CC: Jet Chen , LKML , lkp@01.org Subject: [LKP] [rcu] c0f489d2c6f: -1.5% netperf.Throughput_tps References: <53d1f486.t70cWJ/Ilm6Y3o5/%fengguang.wu@intel.com> In-Reply-To: <53d1f486.t70cWJ/Ilm6Y3o5/%fengguang.wu@intel.com> X-Forwarded-Message-Id: <53d1f486.t70cWJ/Ilm6Y3o5/%fengguang.wu@intel.com> Content-Type: multipart/mixed; boundary="------------010704050606040500050300" 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. --------------010704050606040500050300 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master commit c0f489d2c6fec8994c642c2ec925eb858727dc7b ("rcu: Bind grace-period kthreads to non-NO_HZ_FULL CPUs") abaa93d9e1de2c2 c0f489d2c6fec8994c642c2ec --------------- ------------------------- 12654 ~ 0% -1.5% 12470 ~ 0% ivb43/netperf/300s-25%-TCP_CRR 12654 ~ 0% -1.5% 12470 ~ 0% TOTAL netperf.Throughput_tps abaa93d9e1de2c2 c0f489d2c6fec8994c642c2ec --------------- ------------------------- 1050 ~ 4% -91.4% 90 ~23% ivb43/netperf/300s-25%-TCP_CRR 1050 ~ 4% -91.4% 90 ~23% TOTAL cpuidle.POLL.usage abaa93d9e1de2c2 c0f489d2c6fec8994c642c2ec --------------- ------------------------- 53785432 ~ 4% -77.8% 11927078 ~26% ivb43/netperf/300s-25%-TCP_CRR 53785432 ~ 4% -77.8% 11927078 ~26% TOTAL cpuidle.C1E-IVT.time abaa93d9e1de2c2 c0f489d2c6fec8994c642c2ec --------------- ------------------------- 5674 ~30% +1060.9% 65880 ~ 3% ivb43/netperf/300s-25%-TCP_CRR 5674 ~30% +1060.9% 65880 ~ 3% TOTAL numa-vmstat.node0.numa_other abaa93d9e1de2c2 c0f489d2c6fec8994c642c2ec --------------- ------------------------- 851366 ~ 8% -74.4% 218296 ~24% ivb43/netperf/300s-25%-TCP_CRR 851366 ~ 8% -74.4% 218296 ~24% TOTAL cpuidle.C1E-IVT.usage abaa93d9e1de2c2 c0f489d2c6fec8994c642c2ec --------------- ------------------------- 8045967 ~28% -81.9% 1454789 ~14% lkp-sb02/pigz/25%-128K 6021385 ~41% -70.5% 1773953 ~18% lkp-sb02/pigz/25%-512K 14067352 ~34% -77.0% 3228743 ~16% TOTAL cpuidle.C1-SNB.time abaa93d9e1de2c2 c0f489d2c6fec8994c642c2ec --------------- ------------------------- 78355 ~ 2% -77.0% 18022 ~11% ivb43/netperf/300s-25%-TCP_CRR 78355 ~ 2% -77.0% 18022 ~11% TOTAL numa-vmstat.node1.numa_other abaa93d9e1de2c2 c0f489d2c6fec8994c642c2ec --------------- ------------------------- 0.16 ~11% -72.5% 0.04 ~11% ivb43/netperf/300s-25%-TCP_CRR 0.16 ~11% -72.5% 0.04 ~11% TOTAL turbostat.%c3 abaa93d9e1de2c2 c0f489d2c6fec8994c642c2ec --------------- ------------------------- 237 ~ 9% +169.4% 640 ~ 2% lkp-sb02/pigz/25%-128K 197 ~11% +177.3% 546 ~ 4% lkp-sb02/pigz/25%-512K 435 ~10% +173.0% 1187 ~ 3% TOTAL cpuidle.C3-SNB.usage abaa93d9e1de2c2 c0f489d2c6fec8994c642c2ec --------------- ------------------------- 32364085 ~ 6% -62.3% 12189943 ~16% ivb43/netperf/300s-25%-TCP_CRR 32364085 ~ 6% -62.3% 12189943 ~16% TOTAL cpuidle.C3-IVT.time abaa93d9e1de2c2 c0f489d2c6fec8994c642c2ec --------------- ------------------------- 10134346 ~ 1% -55.0% 4563107 ~10% ivb43/netperf/300s-25%-TCP_CRR 10134346 ~ 1% -55.0% 4563107 ~10% TOTAL cpuidle.C6-IVT.usage abaa93d9e1de2c2 c0f489d2c6fec8994c642c2ec --------------- ------------------------- 82079 ~ 6% +176.9% 227278 ~23% lkp-sb02/pigz/25%-128K 82079 ~ 6% +176.9% 227278 ~23% TOTAL cpuidle.C3-SNB.time abaa93d9e1de2c2 c0f489d2c6fec8994c642c2ec --------------- ------------------------- 659858 ~ 5% -49.7% 332152 ~19% ivb43/netperf/300s-25%-TCP_CRR 659858 ~ 5% -49.7% 332152 ~19% TOTAL cpuidle.C3-IVT.usage abaa93d9e1de2c2 c0f489d2c6fec8994c642c2ec --------------- ------------------------- 8031 ~20% +67.1% 13418 ~ 2% lkp-sb02/pigz/25%-128K 7254 ~ 7% +83.8% 13331 ~ 1% lkp-sb02/pigz/25%-512K 15285 ~14% +75.0% 26750 ~ 1% TOTAL softirqs.RCU abaa93d9e1de2c2 c0f489d2c6fec8994c642c2ec --------------- ------------------------- 37.34 ~ 1% -32.6% 25.17 ~ 3% ivb43/netperf/300s-25%-TCP_CRR 1.04 ~17% -51.2% 0.51 ~ 4% lkp-sb02/pigz/25%-128K 0.74 ~27% -48.8% 0.38 ~ 6% lkp-sb02/pigz/25%-512K 39.12 ~ 1% -33.4% 26.06 ~ 3% TOTAL turbostat.%c1 abaa93d9e1de2c2 c0f489d2c6fec8994c642c2ec --------------- ------------------------- 512 ~11% -32.5% 345 ~18% ivb43/netperf/300s-25%-TCP_CRR 512 ~11% -32.5% 345 ~18% TOTAL slabinfo.kmem_cache.num_objs abaa93d9e1de2c2 c0f489d2c6fec8994c642c2ec --------------- ------------------------- 512 ~11% -32.5% 345 ~18% ivb43/netperf/300s-25%-TCP_CRR 512 ~11% -32.5% 345 ~18% TOTAL slabinfo.kmem_cache.active_objs abaa93d9e1de2c2 c0f489d2c6fec8994c642c2ec --------------- ------------------------- 8107 ~ 2% -28.5% 5798 ~ 9% ivb43/netperf/300s-25%-TCP_CRR 8107 ~ 2% -28.5% 5798 ~ 9% TOTAL proc-vmstat.numa_hint_faults_local abaa93d9e1de2c2 c0f489d2c6fec8994c642c2ec --------------- ------------------------- 622 ~ 9% -26.8% 455 ~14% ivb43/netperf/300s-25%-TCP_CRR 622 ~ 9% -26.8% 455 ~14% TOTAL slabinfo.kmem_cache_node.active_objs abaa93d9e1de2c2 c0f489d2c6fec8994c642c2ec --------------- ------------------------- 8610 ~ 2% -28.2% 6180 ~12% ivb43/netperf/300s-25%-TCP_CRR 8610 ~ 2% -28.2% 6180 ~12% TOTAL proc-vmstat.numa_hint_faults abaa93d9e1de2c2 c0f489d2c6fec8994c642c2ec --------------- ------------------------- 640 ~ 8% -26.0% 473 ~13% ivb43/netperf/300s-25%-TCP_CRR 640 ~ 8% -26.0% 473 ~13% TOTAL slabinfo.kmem_cache_node.num_objs abaa93d9e1de2c2 c0f489d2c6fec8994c642c2ec --------------- ------------------------- 8876 ~ 2% -27.2% 6465 ~11% ivb43/netperf/300s-25%-TCP_CRR 8876 ~ 2% -27.2% 6465 ~11% TOTAL proc-vmstat.numa_pte_updates abaa93d9e1de2c2 c0f489d2c6fec8994c642c2ec --------------- ------------------------- 29.02 ~ 1% +40.6% 40.81 ~ 2% ivb43/netperf/300s-25%-TCP_CRR 29.02 ~ 1% +40.6% 40.81 ~ 2% TOTAL turbostat.%c6 abaa93d9e1de2c2 c0f489d2c6fec8994c642c2ec --------------- ------------------------- 1223070 ~11% -25.6% 909702 ~ 5% lkp-sb02/pigz/25%-512K 1223070 ~11% -25.6% 909702 ~ 5% TOTAL cpuidle.C1E-SNB.time abaa93d9e1de2c2 c0f489d2c6fec8994c642c2ec --------------- ------------------------- 1278 ~ 6% +38.0% 1764 ~ 4% lkp-sb02/pigz/25%-128K 1257 ~ 5% +30.6% 1641 ~ 4% lkp-sb02/pigz/25%-512K 2535 ~ 6% +34.3% 3406 ~ 4% TOTAL cpuidle.C1E-SNB.usage abaa93d9e1de2c2 c0f489d2c6fec8994c642c2ec --------------- ------------------------- 2944 ~12% -21.2% 2319 ~13% lkp-sb02/pigz/25%-512K 2944 ~12% -21.2% 2319 ~13% TOTAL slabinfo.anon_vma.active_objs abaa93d9e1de2c2 c0f489d2c6fec8994c642c2ec --------------- ------------------------- 440 ~ 9% +18.5% 521 ~10% ivb43/netperf/300s-25%-TCP_CRR 440 ~ 9% +18.5% 521 ~10% TOTAL numa-vmstat.node1.nr_page_table_pages abaa93d9e1de2c2 c0f489d2c6fec8994c642c2ec --------------- ------------------------- 1751 ~ 9% +18.6% 2076 ~10% ivb43/netperf/300s-25%-TCP_CRR 1751 ~ 9% +18.6% 2076 ~10% TOTAL numa-meminfo.node1.PageTables abaa93d9e1de2c2 c0f489d2c6fec8994c642c2ec --------------- ------------------------- 2.828e+09 ~ 0% -14.9% 2.407e+09 ~ 1% ivb43/netperf/300s-25%-TCP_CRR 2.828e+09 ~ 0% -14.9% 2.407e+09 ~ 1% TOTAL cpuidle.C1-IVT.time abaa93d9e1de2c2 c0f489d2c6fec8994c642c2ec --------------- ------------------------- 966 ~ 2% -13.0% 840 ~ 3% lkp-sb02/pigz/25%-128K 949 ~ 2% -10.6% 848 ~ 1% lkp-sb02/pigz/25%-512K 1915 ~ 2% -11.8% 1688 ~ 2% TOTAL slabinfo.kmalloc-96.active_objs abaa93d9e1de2c2 c0f489d2c6fec8994c642c2ec --------------- ------------------------- 966 ~ 2% -13.0% 840 ~ 3% lkp-sb02/pigz/25%-128K 949 ~ 2% -10.6% 848 ~ 1% lkp-sb02/pigz/25%-512K 1915 ~ 2% -11.8% 1688 ~ 2% TOTAL slabinfo.kmalloc-96.num_objs abaa93d9e1de2c2 c0f489d2c6fec8994c642c2ec --------------- ------------------------- 41345 ~ 1% +12.5% 46521 ~ 0% lkp-sb02/pigz/25%-512K 41345 ~ 1% +12.5% 46521 ~ 0% TOTAL cpuidle.C6-SNB.usage abaa93d9e1de2c2 c0f489d2c6fec8994c642c2ec --------------- ------------------------- 13053 ~ 1% +12.0% 14613 ~ 4% ivb43/netperf/300s-25%-TCP_CRR 13053 ~ 1% +12.0% 14613 ~ 4% TOTAL slabinfo.kmalloc-192.active_objs abaa93d9e1de2c2 c0f489d2c6fec8994c642c2ec --------------- ------------------------- 13053 ~ 1% +12.1% 14629 ~ 4% ivb43/netperf/300s-25%-TCP_CRR 13053 ~ 1% +12.1% 14629 ~ 4% TOTAL slabinfo.kmalloc-192.num_objs abaa93d9e1de2c2 c0f489d2c6fec8994c642c2ec --------------- ------------------------- 2.02 ~ 3% -8.6% 1.85 ~ 5% ivb43/netperf/300s-25%-TCP_CRR 2.02 ~ 3% -8.6% 1.85 ~ 5% TOTAL perf-profile.cpu-cycles.intel_idle.cpuidle_enter_state.cpuidle_enter.cpu_idle_loop.cpu_startup_entry abaa93d9e1de2c2 c0f489d2c6fec8994c642c2ec --------------- ------------------------- 8226 ~ 2% -88.4% 957 ~22% lkp-sb02/pigz/25%-128K 8291 ~ 1% -91.1% 736 ~24% lkp-sb02/pigz/25%-512K 16518 ~ 2% -89.7% 1694 ~23% TOTAL time.involuntary_context_switches abaa93d9e1de2c2 c0f489d2c6fec8994c642c2ec --------------- ------------------------- 766220 ~ 1% -7.3% 709976 ~ 2% ivb43/netperf/300s-25%-TCP_CRR 766220 ~ 1% -7.3% 709976 ~ 2% TOTAL vmstat.system.cs abaa93d9e1de2c2 c0f489d2c6fec8994c642c2ec --------------- ------------------------- 122 ~ 0% -4.4% 117 ~ 0% ivb43/netperf/300s-25%-TCP_CRR 122 ~ 0% -4.4% 117 ~ 0% TOTAL turbostat.Cor_W abaa93d9e1de2c2 c0f489d2c6fec8994c642c2ec --------------- ------------------------- 153 ~ 0% -3.5% 148 ~ 0% ivb43/netperf/300s-25%-TCP_CRR 153 ~ 0% -3.5% 148 ~ 0% TOTAL turbostat.Pkg_W abaa93d9e1de2c2 c0f489d2c6fec8994c642c2ec --------------- ------------------------- 33.48 ~ 0% +1.5% 33.97 ~ 0% ivb43/netperf/300s-25%-TCP_CRR 33.48 ~ 0% +1.5% 33.97 ~ 0% TOTAL turbostat.%c0 Legend: ~XX% - stddev percent [+-]XX% - change percent time.involuntary_context_switches 9000 ++--------------*----------------------------------------------------+ |.*..*.*.*.. .* + .*.*.*..*.*.*..*.*. .*.*.*..*.*.*..*.*.*.*..*.* 8000 *+ * *. *.*. | 7000 ++ | | | 6000 ++ | 5000 ++ | | | 4000 ++ | 3000 ++ | | | 2000 ++ | 1000 ++ O O O | O O O O O O O O O O O O O O O O O O O O O O O | 0 ++---------------------------------O-O-------------------------------+ [*] 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, Aaron --------------010704050606040500050300 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 ZnJlcS9zY2FsaW5nX2dvdmVybm9yCgo= --------------010704050606040500050300-- -- 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/