Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933681AbbBCHpN (ORCPT ); Tue, 3 Feb 2015 02:45:13 -0500 Received: from mga03.intel.com ([134.134.136.65]:12438 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754951AbbBCHpJ (ORCPT ); Tue, 3 Feb 2015 02:45:09 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.09,511,1418112000"; d="yaml'?scan'208";a="680072460" Message-ID: <1422949504.13951.5.camel@linux.intel.com> Subject: [LKP] [mm] 721c21c17ab: +11.7% will-it-scale.per_thread_ops From: Huang Ying To: Will Deacon Cc: Linus Torvalds , LKML , LKP ML Date: Tue, 03 Feb 2015 15:45:04 +0800 Content-Type: multipart/mixed; boundary="=-bStCTqPnXEls3LO9eWQP" X-Mailer: Evolution 3.12.9-1+b1 Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 7974 Lines: 203 --=-bStCTqPnXEls3LO9eWQP Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit FYI, we noticed the below changes on commit 721c21c17ab958abf19a8fc611c3bd4743680e38 ("mm: mmu_gather: use tlb->end != 0 only for TLB invalidation") testbox/testcase/testparams: nhm4/will-it-scale/performance-readseek1 v3.19-rc4 721c21c17ab958abf19a8fc611 ---------------- -------------------------- %stddev %change %stddev \ | \ 0.56 ± 1% +5.2% 0.59 ± 1% will-it-scale.scalability 1807741 ± 0% +2.3% 1848641 ± 0% will-it-scale.per_thread_ops 740 ± 30% +40.9% 1043 ± 26% sched_debug.cpu#4.ttwu_local 1335 ± 20% +23.7% 1651 ± 17% sched_debug.cpu#4.ttwu_count 506 ± 9% +40.8% 712 ± 1% cpuidle.C1-NHM.usage 120 ± 9% +33.1% 160 ± 11% sched_debug.cpu#7.load 120 ± 9% +26.2% 151 ± 10% sched_debug.cfs_rq[7]:/.load 90 ± 5% -16.2% 75 ± 16% sched_debug.cpu#6.cpu_load[4] 96 ± 7% +16.7% 112 ± 10% sched_debug.cfs_rq[2]:/.runnable_load_avg testbox/testcase/testparams: nhm4/will-it-scale/performance-pread2 v3.19-rc4 721c21c17ab958abf19a8fc611 ---------------- -------------------------- 900692 ± 1% +11.7% 1005724 ± 0% will-it-scale.per_thread_ops 28033529 ± 0% -1.2% 27698665 ± 0% will-it-scale.time.voluntary_context_switches 671 ± 22% +40.4% 942 ± 27% sched_debug.cfs_rq[7]:/.blocked_load_avg 802 ± 19% +30.9% 1049 ± 25% sched_debug.cfs_rq[7]:/.tg_load_contrib 44840 ± 6% +15.6% 51846 ± 6% meminfo.DirectMap4k 18284 ± 1% -7.4% 16926 ± 2% vmstat.system.in 378463 ± 0% -1.2% 373746 ± 0% vmstat.system.cs testbox/testcase/testparams: nhm4/will-it-scale/performance-readseek3 v3.19-rc4 721c21c17ab958abf19a8fc611 ---------------- -------------------------- 0.55 ± 0% +9.9% 0.60 ± 5% will-it-scale.scalability 1791707 ± 0% +2.9% 1843202 ± 0% will-it-scale.per_thread_ops 187 ± 41% +167.3% 501 ± 23% sched_debug.cfs_rq[0]:/.blocked_load_avg 281 ± 29% +121.3% 622 ± 18% sched_debug.cfs_rq[0]:/.tg_load_contrib 110 ± 9% +25.5% 138 ± 13% sched_debug.cfs_rq[5]:/.load 110 ± 9% +25.9% 138 ± 13% sched_debug.cpu#5.load 178 ± 6% -19.5% 144 ± 16% sched_debug.cpu#4.cpu_load[1] 94 ± 6% +12.9% 107 ± 8% sched_debug.cfs_rq[3]:/.runnable_load_avg 1.78 ± 7% +17.4% 2.09 ± 0% perf-profile.cpu-cycles.put_page.shmem_file_read_iter.new_sync_read.__vfs_read.vfs_read 187 ± 9% -19.1% 152 ± 16% sched_debug.cpu#4.cpu_load[2] 757 ± 5% +10.6% 838 ± 2% slabinfo.kmalloc-2048.active_objs 3064 ± 7% +7.8% 3302 ± 6% sched_debug.cpu#1.curr->pid 5.23 ± 2% +8.8% 5.69 ± 4% perf-profile.cpu-cycles.security_file_permission.rw_verify_area.vfs_read.sys_read.system_call_fastpath 3.23 ± 4% +8.0% 3.48 ± 5% perf-profile.cpu-cycles.copy_page_to_iter_iovec.copy_page_to_iter.shmem_file_read_iter.new_sync_read.__vfs_read 4216 ± 7% +7.5% 4531 ± 5% slabinfo.kmalloc-192.active_objs nhm4: Nehalem Memory: 4G lkp-sbx04: Sandy Bridge-EX Memory: 64G will-it-scale.per_thread_ops 1.04e+06 ++---------------------------------------------------------------+ | O O O | 1.02e+06 ++ O O O O O O O O O | 1e+06 O+ O O O O O | O O O | 980000 ++ | | | 960000 ++ | | | 940000 ++ | 920000 ++ | *.. *..* | 900000 ++ + | | *...*.. + | 880000 ++--------*------------------------------------------------------+ [*] bisect-good sample [O] bisect-bad sample To reproduce: apt-get install ruby ruby-oj git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git cd lkp-tests bin/setup-local job.yaml # the job file attached in this email bin/run-local job.yaml 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, Huang, Ying --=-bStCTqPnXEls3LO9eWQP Content-Type: text/plain; charset=us-ascii Content-Disposition: attachment; filename="job.yaml" Content-Transfer-Encoding: 7bit --- testcase: will-it-scale default-monitors: wait: pre-test uptime: iostat: vmstat: numa-numastat: numa-vmstat: numa-meminfo: proc-vmstat: proc-stat: meminfo: slabinfo: interrupts: lock_stat: latency_stats: softirqs: bdi_dev_mapping: diskstats: cpuidle: cpufreq: turbostat: sched_debug: interval: 10 pmeter: default_watchdogs: watch-oom: watchdog: cpufreq_governor: - performance commit: 634b0bd490b7ebd7a054cea4f7e0d25748bde678 model: Nehalem nr_cpu: 8 memory: 4G hdd_partitions: "/dev/disk/by-id/ata-WDC_WD1003FBYZ-010FB0_WD-WCAW36812041-part1" swap_partitions: "/dev/disk/by-id/ata-WDC_WD1003FBYZ-010FB0_WD-WCAW36812041-part2" rootfs_partition: "/dev/disk/by-id/ata-WDC_WD1003FBYZ-010FB0_WD-WCAW36812041-part3" netconsole_port: 6649 perf-profile: freq: 800 will-it-scale: test: - pread2 testbox: nhm4 tbox_group: nhm4 kconfig: x86_64-rhel enqueue_time: 2015-01-16 19:39:12.848821511 +08:00 head_commit: 634b0bd490b7ebd7a054cea4f7e0d25748bde678 base_commit: eaa27f34e91a14cdceed26ed6c6793ec1d186115 branch: next/master kernel: "/kernel/x86_64-rhel/634b0bd490b7ebd7a054cea4f7e0d25748bde678/vmlinuz-3.19.0-rc4-next-20150116-g634b0bd" user: lkp queue: cyclic rootfs: debian-x86_64-2015-01-13.cgz result_root: "/result/nhm4/will-it-scale/performance-pread2/debian-x86_64-2015-01-13.cgz/x86_64-rhel/634b0bd490b7ebd7a054cea4f7e0d25748bde678/0" job_file: "/lkp/scheduled/nhm4/cyclic_will-it-scale-performance-pread2-x86_64-rhel-HEAD-634b0bd490b7ebd7a054cea4f7e0d25748bde678-0.yaml" dequeue_time: 2015-01-17 02:30:35.332402855 +08:00 job_state: finished loadavg: 5.12 3.21 1.34 1/123 6702 start_time: '1421433067' end_time: '1421433372' version: "/lkp/lkp/.src-20150116-113525" --=-bStCTqPnXEls3LO9eWQP Content-Type: text/plain; charset=us-ascii Content-Disposition: attachment; filename="reproduce" Content-Transfer-Encoding: 7bit ./runtest.py pread2 32 1 4 6 8 --=-bStCTqPnXEls3LO9eWQP Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable _______________________________________________ LKP mailing list LKP@linux.intel.com =0D --=-bStCTqPnXEls3LO9eWQP-- -- 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/