From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754126AbbBLBfb (ORCPT ); Wed, 11 Feb 2015 20:35:31 -0500 Received: from mga01.intel.com ([192.55.52.88]:10680 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752796AbbBLBfa (ORCPT ); Wed, 11 Feb 2015 20:35:30 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.09,562,1418112000"; d="yaml'?scan'208";a="526321915" Message-ID: <1423704926.5968.117.camel@intel.com> Subject: [LKP] [mm] 7d5b506f3c2: -3.9% pigz.time.minor_page_faults From: Huang Ying To: Ebru Akagunduz Cc: Stephen Rothwell , LKML , LKP ML Date: Thu, 12 Feb 2015 09:35:26 +0800 Content-Type: multipart/mixed; boundary="=-tGLHhR4e2R+r3HxE1be8" 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 --=-tGLHhR4e2R+r3HxE1be8 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master commit 7d5b506f3c295ff81e34235544a9e6ac143743c1 ("mm: incorporate read-only pages into transparent huge pages") testbox/testcase/testparams: xps2/pigz/performance-100%-512K c3916839649ddb3c 7d5b506f3c295ff81e34235544 ---------------- -------------------------- %stddev %change %stddev \ | \ 27105 ± 0% -3.9% 26056 ± 1% pigz.time.minor_page_faults 0.93 ± 49% -55.0% 0.42 ± 17% perf-profile.cpu-cycles.enqueue_task.activate_task.ttwu_do_activate.try_to_wake_up.default_wake_function 0.83 ± 43% -49.5% 0.42 ± 9% perf-profile.cpu-cycles.try_to_wake_up.default_wake_function.autoremove_wake_function.__wake_up_common.__wake_up_sync_key 2.53 ± 37% -41.0% 1.49 ± 6% perf-profile.cpu-cycles.__alloc_pages_nodemask.alloc_pages_current.pipe_write.new_sync_write.vfs_write 0.77 ± 47% -49.0% 0.40 ± 2% perf-profile.cpu-cycles.autoremove_wake_function.__wake_up_common.__wake_up_sync_key.pipe_read.new_sync_read 0.77 ± 47% -49.4% 0.39 ± 3% perf-profile.cpu-cycles.default_wake_function.autoremove_wake_function.__wake_up_common.__wake_up_sync_key.pipe_read 0.77 ± 47% -46.1% 0.42 ± 10% perf-profile.cpu-cycles.__wake_up_common.__wake_up_sync_key.pipe_read.new_sync_read.__vfs_read 1.62 ± 37% -40.8% 0.96 ± 14% perf-profile.cpu-cycles.get_page_from_freelist.__alloc_pages_nodemask.alloc_pages_current.pipe_write.new_sync_write 0.78 ± 18% -47.7% 0.40 ± 16% perf-profile.cpu-cycles.run_timer_softirq.__do_softirq.irq_exit.do_IRQ.ret_from_intr 2.78 ± 32% -35.1% 1.80 ± 8% perf-profile.cpu-cycles.alloc_pages_current.pipe_write.new_sync_write.vfs_write.sys_write 1.09 ± 28% -35.5% 0.71 ± 23% perf-profile.cpu-cycles.put_page.anon_pipe_buf_release.pipe_read.new_sync_read.__vfs_read 1.48 ± 15% -33.5% 0.98 ± 17% perf-profile.cpu-cycles.__do_softirq.irq_exit.do_IRQ.ret_from_intr 1.63 ± 20% -30.9% 1.12 ± 14% perf-profile.cpu-cycles.anon_pipe_buf_release.pipe_read.new_sync_read.__vfs_read.vfs_read 15.76 ± 10% +27.5% 20.09 ± 6% perf-profile.cpu-cycles.tick_program_event.hrtimer_interrupt.hpet_interrupt_handler.handle_irq_event_percpu.handle_irq_event 15.61 ± 10% +26.8% 19.79 ± 6% perf-profile.cpu-cycles.clockevents_program_event.tick_program_event.hrtimer_interrupt.hpet_interrupt_handler.handle_irq_event_percpu 15.21 ± 9% +27.9% 19.45 ± 6% perf-profile.cpu-cycles.hpet_msi_next_event.clockevents_program_event.tick_program_event.hrtimer_interrupt.hpet_interrupt_handler 1758 ± 36% +46.6% 2578 ± 3% sched_debug.cpu#0.curr->pid 2.43 ± 10% +27.9% 3.11 ± 3% perf-profile.cpu-cycles.irq_exit.smp_apic_timer_interrupt.apic_timer_interrupt 130 ± 4% +13.8% 148 ± 5% sched_debug.cpu#3.load 130 ± 4% +13.8% 148 ± 5% sched_debug.cfs_rq[3]:/.load 2498 ± 5% +10.4% 2757 ± 6% slabinfo.kmalloc-256.num_objs xps2: Nehalem Memory: 4G pigz.time.minor_page_faults 27400 ++------------------------------------------------------------------+ 27200 ++ *. *.* .* | | .*. + * + + * * *.* + .* 27000 *+* *.*.*.*.*.** + .*.*.*.*.*.*.*.*. .* * : : + + * | 26800 ++ *.* * : : * | | * | 26600 ++ | 26400 ++ O O | 26200 ++ O O | | O O O | 26000 ++O | 25800 ++ O O O O O O O O O | | O O | 25600 O+ O | 25400 ++------------------------------------------------------------------+ [*] 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 --=-tGLHhR4e2R+r3HxE1be8 Content-Type: text/plain; charset=us-ascii Content-Disposition: attachment; filename="job.yaml" Content-Transfer-Encoding: 7bit --- testcase: pigz 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: nfsstat: cpuidle: cpufreq-stats: turbostat: pmeter: sched_debug: interval: 10 default_watchdogs: watch-oom: watchdog: cpufreq_governor: performance commit: f61b8d6d777dfb241ebe87478c5c82126ac8d687 model: Nehalem memory: 4G nr_ssd_partitions: 1 ssd_partitions: "/dev/disk/by-id/ata-INTEL_SSDSC2CW240A3_CVCV204303XB240CGN-part1" swap_partitions: rootfs_partition: "/dev/disk/by-id/ata-INTEL_SSDSC2CW240A3_CVCV204303XB240CGN-part2" netconsole_port: 6665 perf-profile: freq: 800 nr_threads: 100% pigz: blocksize: 512K testbox: xps2 tbox_group: xps2 kconfig: x86_64-rhel enqueue_time: 2015-02-11 08:54:24.084863795 +08:00 head_commit: f61b8d6d777dfb241ebe87478c5c82126ac8d687 base_commit: bfa76d49576599a4b9f9b7a71f23d73d6dcff735 branch: next/master kernel: "/kernel/x86_64-rhel/f61b8d6d777dfb241ebe87478c5c82126ac8d687/vmlinuz-3.19.0-next-20150210-gf61b8d6" user: lkp queue: cyclic rootfs: debian-x86_64-2015-02-07.cgz result_root: "/result/xps2/pigz/performance-100%-512K/debian-x86_64-2015-02-07.cgz/x86_64-rhel/f61b8d6d777dfb241ebe87478c5c82126ac8d687/0" job_file: "/lkp/scheduled/xps2/cyclic_pigz-performance-100%-512K-x86_64-rhel-HEAD-f61b8d6d777dfb241ebe87478c5c82126ac8d687-0-20150211-14981-iea6fd.yaml" dequeue_time: 2015-02-11 09:08:52.086449889 +08:00 nr_cpu: "$(nproc)" job_state: finished loadavg: 6.38 5.04 2.28 1/133 5308 start_time: '1423616958' end_time: '1423617259' version: "/lkp/lkp/.src-20150210-213435" --=-tGLHhR4e2R+r3HxE1be8 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 --=-tGLHhR4e2R+r3HxE1be8--