From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754348AbbIJCai (ORCPT ); Wed, 9 Sep 2015 22:30:38 -0400 Received: from mga14.intel.com ([192.55.52.115]:43591 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752438AbbIJCad (ORCPT ); Wed, 9 Sep 2015 22:30:33 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.17,501,1437462000"; d="yaml'?scan'208";a="786300555" From: kernel test robot Subject: [lkp] [fs/file.c] 8a81252b77: 14.2% will-it-scale.per_thread_ops CC: lkp@01.org CC: LKML CC: Al Viro TO: Eric Dumazet Date: Thu, 10 Sep 2015 10:30:30 +0800 Message-ID: <87si6natvd.fsf@yhuang-dev.intel.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="=-=-=" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-=-= Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable FYI, we noticed the below changes on https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master commit 8a81252b774b53e628a8a0fe18e2b8fc236d92cc ("fs/file.c: don't acquire = files->file_lock in fd_install()") =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D tbox_group/testcase/rootfs/kconfig/compiler/cpufreq_governor/test: xps/will-it-scale/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/perfor= mance/open1 commit:=20 1af95de6f0119d5bde02d3a811a9f3a3661e954e 8a81252b774b53e628a8a0fe18e2b8fc236d92cc 1af95de6f0119d5b 8a81252b774b53e628a8a0fe18=20 ---------------- --------------------------=20 %stddev %change %stddev \ | \=20=20 581483 =B1 2% +14.2% 663787 =B1 2% will-it-scale.per_thread_= ops 689.96 =B1 0% -2.7% 671.31 =B1 0% will-it-scale.time.system= _time 17.86 =B1 1% +59.8% 28.55 =B1 0% will-it-scale.time.user_t= ime 3521 =B1 6% -11.2% 3125 =B1 3% slabinfo.kmalloc-192.acti= ve_objs 17.86 =B1 1% +59.8% 28.55 =B1 0% time.user_time 8.75 =B1 16% -51.4% 4.25 =B1 50% sched_debug.cfs_rq[1]:/.n= r_spread_over 5.50 =B1 20% +95.5% 10.75 =B1 35% sched_debug.cfs_rq[3]:/.n= r_spread_over 473.25 =B1 23% +45.7% 689.50 =B1 25% sched_debug.cfs_rq[7]:/.u= tilization_load_avg 811992 =B1 10% +11.6% 906272 =B1 3% sched_debug.cpu#0.avg_idle 80.00 =B1 17% +61.6% 129.25 =B1 33% sched_debug.cpu#7.cpu_loa= d[0] 1372 =B1 19% +50.6% 2066 =B1 13% sched_debug.cpu#7.curr->p= id 20835 =B1 26% +40.7% 29308 =B1 18% sched_debug.cpu#7.ttwu_co= unt 2.15 =B1 2% +34.2% 2.88 =B1 2% perf-profile.cpu-cycles._= _alloc_fd.get_unused_fd_flags.do_sys_open.sys_open.system_call_fastpath 1.40 =B1 3% -8.7% 1.28 =B1 3% perf-profile.cpu-cycles._= _slab_alloc.kmem_cache_alloc.get_empty_filp.path_openat.do_filp_open 0.96 =B1 4% -8.4% 0.88 =B1 2% perf-profile.cpu-cycles.d= put.__fput.____fput.task_work_run.do_notify_resume 2.55 =B1 4% +42.7% 3.63 =B1 2% perf-profile.cpu-cycles.g= et_unused_fd_flags.do_sys_open.sys_open.system_call_fastpath 3.67 =B1 4% -9.1% 3.34 =B1 3% perf-profile.cpu-cycles.g= etname.do_sys_open.sys_open.system_call_fastpath 1.02 =B1 7% +16.4% 1.19 =B1 5% perf-profile.cpu-cycles.k= mem_cache_free.putname.do_sys_open.sys_open.system_call_fastpath 1.45 =B1 6% +22.8% 1.78 =B1 5% perf-profile.cpu-cycles.p= ath_init.path_openat.do_filp_open.do_sys_open.sys_open 1.19 =B1 6% +25.4% 1.49 =B1 4% perf-profile.cpu-cycles.p= utname.do_sys_open.sys_open.system_call_fastpath 1.71 =B1 7% -14.0% 1.47 =B1 4% perf-profile.cpu-cycles.s= ecurity_file_free.__fput.____fput.task_work_run.do_notify_resume xps: Nehalem Memory: 4G will-it-scale.time.user_time 35 ++--------------------------------------------------------------------= -+ O O O O O O O = | 30 ++O O O O O O O O O O O = | | O O O O O = | 25 ++ = | | .*.*..*.*.*..*.*..*.*..*.*..* = | 20 *+*..*.*..*.*. + = | | *..*.*.*..*.*..*.*..*.*..*= .* 15 ++ = | | = | 10 ++ = | | = | 5 ++ = | | = | 0 ++---O----O-----------------------------------------------------------= -+ [*] bisect-good sample [O] bisect-bad sample To reproduce: git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tes= ts.git cd lkp-tests bin/lkp install job.yaml # job file is attached in this email bin/lkp run job.yaml 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, Ying Huang --=-=-= Content-Type: text/plain; charset=ascii Content-Disposition: attachment; filename=job.yaml --- LKP_SERVER: inn LKP_CGI_PORT: 80 LKP_CIFS_PORT: 139 testcase: will-it-scale default-monitors: wait: activate-monitor kmsg: uptime: iostat: vmstat: numa-numastat: numa-vmstat: numa-meminfo: proc-vmstat: proc-stat: interval: 10 meminfo: slabinfo: interrupts: lock_stat: latency_stats: softirqs: bdi_dev_mapping: diskstats: nfsstat: cpuidle: cpufreq-stats: turbostat: pmeter: sched_debug: interval: 60 cpufreq_governor: performance default-watchdogs: oom-killer: watchdog: commit: 64291f7db5bd8150a74ad2036f1037e6a0428df2 model: Nehalem nr_cpu: 8 memory: 4G hdd_partitions: swap_partitions: "/dev/disk/by-id/ata-HDT722516DLA380_VDK91GTE0WMZBR-part2" rootfs_partition: "/dev/disk/by-id/ata-HDT722516DLA380_VDK91GTE0WMZBR-part1" netconsole_port: 6666 pxe_user: rli9 category: benchmark perf-profile: freq: 800 will-it-scale: test: open1 queue: cyclic testbox: xps tbox_group: xps kconfig: x86_64-rhel enqueue_time: 2015-08-31 17:42:37.615577272 +08:00 id: ecb4938deaa81f720b37e838939cced483b783c3 user: rli9 compiler: gcc-4.9 head_commit: 2d11c675e2c328a1763d4fbad7b6684879f8102a base_commit: 64291f7db5bd8150a74ad2036f1037e6a0428df2 branch: linux-devel/devel-hourly-2015083105 kernel: "/pkg/linux/x86_64-rhel/gcc-4.9/64291f7db5bd8150a74ad2036f1037e6a0428df2/vmlinuz-4.2.0" rootfs: debian-x86_64-2015-02-07.cgz result_root: "/result/will-it-scale/performance-open1/xps/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/64291f7db5bd8150a74ad2036f1037e6a0428df2/0" job_file: "/lkp/scheduled/xps/cyclic_will-it-scale-performance-open1-x86_64-rhel-CYCLIC_BASE-64291f7db5bd8150a74ad2036f1037e6a0428df2-20150831-29509-yewucc-0.yaml" dequeue_time: 2015-08-31 19:26:04.544308510 +08:00 max_uptime: 1500 initrd: "/osimage/debian/debian-x86_64-2015-02-07.cgz" bootloader_append: - root=/dev/ram0 - user=rli9 - job=/lkp/scheduled/xps/cyclic_will-it-scale-performance-open1-x86_64-rhel-CYCLIC_BASE-64291f7db5bd8150a74ad2036f1037e6a0428df2-20150831-29509-yewucc-0.yaml - ARCH=x86_64 - kconfig=x86_64-rhel - branch=linux-devel/devel-hourly-2015083105 - commit=64291f7db5bd8150a74ad2036f1037e6a0428df2 - BOOT_IMAGE=/pkg/linux/x86_64-rhel/gcc-4.9/64291f7db5bd8150a74ad2036f1037e6a0428df2/vmlinuz-4.2.0 - max_uptime=1500 - RESULT_ROOT=/result/will-it-scale/performance-open1/xps/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/64291f7db5bd8150a74ad2036f1037e6a0428df2/0 - LKP_SERVER=inn - |2- earlyprintk=ttyS0,115200 systemd.log_level=err debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic load_ramdisk=2 prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal rw lkp_initrd: "/lkp/rli9/lkp-x86_64.cgz" modules_initrd: "/pkg/linux/x86_64-rhel/gcc-4.9/64291f7db5bd8150a74ad2036f1037e6a0428df2/modules.cgz" bm_initrd: "/osimage/deps/debian-x86_64-2015-02-07.cgz/lkp.cgz,/osimage/deps/debian-x86_64-2015-02-07.cgz/run-ipconfig.cgz,/osimage/deps/debian-x86_64-2015-02-07.cgz/turbostat.cgz,/lkp/benchmarks/turbostat.cgz,/lkp/benchmarks/will-it-scale.cgz" job_state: finished loadavg: 6.89 3.58 1.44 1/148 4720 start_time: '1441020401' end_time: '1441020705' version: "/lkp/rli9/.src-20150831-174110" --=-=-= Content-Type: text/plain; charset=ascii 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/cpu2/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu3/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu4/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu5/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu6/cpufreq/scaling_governor echo performance > /sys/devices/system/cpu/cpu7/cpufreq/scaling_governor ./runtest.py open1 32 both 1 4 6 8 --=-=-=--