Messages in this thread | | | From | kernel test robot <> | Subject | [lkp] [sched/numa] b52da86e0a: -1.4% will-it-scale.per_thread_ops | Date | Wed, 21 Oct 2015 15:31:32 +0800 |
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FYI, we noticed the below changes on
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master commit b52da86e0ad58f096710977fcda856fd84da9233 ("sched/numa: Fix task_tick_fair() from disabling numa_balancing")
========================================================================================= tbox_group/testcase/rootfs/kconfig/compiler/cpufreq_governor/test: nhm4/will-it-scale/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/performance/readseek1
commit: e2bf1c4b17aff25f07e0d2952d8c1c66643f33fe b52da86e0ad58f096710977fcda856fd84da9233
e2bf1c4b17aff25f b52da86e0ad58f096710977fcd ---------------- -------------------------- %stddev %change %stddev \ | \ 1868374 ± 0% -1.4% 1843108 ± 0% will-it-scale.per_thread_ops 0.57 ± 0% +14.1% 0.65 ± 10% will-it-scale.scalability 14052 ± 0% -29.6% 9896 ± 0% will-it-scale.time.minor_page_faults 161.75 ± 45% -53.2% 75.75 ± 23% cpuidle.C1E-NHM.usage 14052 ± 0% -29.6% 9896 ± 0% time.minor_page_faults 6943 ± 0% -100.0% 0.00 ± -1% proc-vmstat.numa_hint_faults 6943 ± 0% -100.0% 0.00 ± -1% proc-vmstat.numa_hint_faults_local 7780 ± 0% -100.0% 0.00 ± -1% proc-vmstat.numa_pte_updates 1.19 ± 4% -14.1% 1.02 ± 4% perf-profile.cpu-cycles.__fget_light.sys_lseek.entry_SYSCALL_64_fastpath 5.47 ± 1% -11.8% 4.83 ± 2% perf-profile.cpu-cycles.entry_SYSCALL_64 1.17 ± 6% -16.7% 0.98 ± 12% perf-profile.cpu-cycles.fsnotify.vfs_read.sys_read.entry_SYSCALL_64_fastpath 1.70 ± 4% -15.0% 1.45 ± 4% perf-profile.cpu-cycles.shmem_file_llseek.sys_lseek.entry_SYSCALL_64_fastpath 5.39 ± 1% -12.8% 4.70 ± 5% perf-profile.cpu-cycles.sys_lseek.entry_SYSCALL_64_fastpath 116.50 ± 14% -35.4% 75.25 ± 13% sched_debug.cfs_rq[2]:/.load 95126 ± 8% +17.5% 111795 ± 10% sched_debug.cpu#0.nr_load_updates 2464 ± 6% -39.4% 1494 ± 29% sched_debug.cpu#2.curr->pid 116.50 ± 14% -35.4% 75.25 ± 13% sched_debug.cpu#2.load 1243 ± 2% +50.4% 1870 ± 22% sched_debug.cpu#3.curr->pid 17134 ± 29% +7834.3% 1359530 ±110% sched_debug.cpu#4.nr_switches 17204 ± 29% +7802.5% 1359602 ±110% sched_debug.cpu#4.sched_count 4538 ± 78% +12299.8% 562734 ±119% sched_debug.cpu#4.sched_goidle 950401 ± 4% -7.9% 875553 ± 4% sched_debug.cpu#7.avg_idle
nhm4: Nehalem Memory: 4G
proc-vmstat.numa_pte_updates
8000 ++---------------------------------------------------*---*-*-----*-*-+ | * * *.* * 7000 ++ : | | : | | : | 6000 ++ : | | : | 5000 ++ : | | : | 4000 ++ : | | : | | : | 3000 ++ : | *.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*..*.*.*.*.*.*.*.* | 2000 ++-------------------------------------------------------------------+
proc-vmstat.numa_hint_faults
7000 ++-------------------------------------------------*-*-*-*-*-*-*-*-*-* | : | 6000 ++ : | | : | | : | 5000 ++ : | | : | 4000 ++ : | | : | 3000 ++ : | | : | | : | 2000 ++ : | *.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*..*.*.*.*.*.*.*.* | 1000 ++-------------------------------------------------------------------+
proc-vmstat.numa_hint_faults_local
7000 ++-------------------------------------------------*-*-*-*-*-*-*-*-*-* | : | 6000 ++ : | | : | | : | 5000 ++ : | | : | 4000 ++ : | | : | 3000 ++ : | | : | | : | 2000 ++ : | *.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*..*.*.*.*.*.*.*.* | 1000 ++-------------------------------------------------------------------+
[*] bisect-good sample [O] bisect-bad sample
To reproduce:
git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.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 provided for informational purposes only. Any difference in system hardware or software design or configuration may affect actual performance.
Thanks, Ying Huang --- 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: fd78775cf5c9ccf3d03275f6d0edf0d07b191990 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 category: benchmark perf-profile: freq: 800 will-it-scale: test: readseek1 queue: cyclic testbox: nhm4 tbox_group: nhm4 kconfig: x86_64-rhel enqueue_time: 2015-10-19 12:26:12.826631656 +08:00 id: b461bee5bed499ceb2fed5e5bac5945895db5988 user: lkp compiler: gcc-4.9 head_commit: fd78775cf5c9ccf3d03275f6d0edf0d07b191990 base_commit: 7379047d5585187d1288486d4627873170d0005a branch: linux-devel/devel-spot-201510190712 kernel: "/pkg/linux/x86_64-rhel/gcc-4.9/fd78775cf5c9ccf3d03275f6d0edf0d07b191990/vmlinuz-4.3.0-rc6-06968-gfd78775" rootfs: debian-x86_64-2015-02-07.cgz result_root: "/result/will-it-scale/performance-readseek1/nhm4/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/fd78775cf5c9ccf3d03275f6d0edf0d07b191990/0" job_file: "/lkp/scheduled/nhm4/cyclic_will-it-scale-performance-readseek1-x86_64-rhel-CYCLIC_HEAD-fd78775cf5c9ccf3d03275f6d0edf0d07b191990-20151019-32198-vi9ohb-0.yaml" dequeue_time: 2015-10-19 16:53:19.866990276 +08:00 max_uptime: 1500 initrd: "/osimage/debian/debian-x86_64-2015-02-07.cgz" bootloader_append: - root=/dev/ram0 - user=lkp - job=/lkp/scheduled/nhm4/cyclic_will-it-scale-performance-readseek1-x86_64-rhel-CYCLIC_HEAD-fd78775cf5c9ccf3d03275f6d0edf0d07b191990-20151019-32198-vi9ohb-0.yaml - ARCH=x86_64 - kconfig=x86_64-rhel - branch=linux-devel/devel-spot-201510190712 - commit=fd78775cf5c9ccf3d03275f6d0edf0d07b191990 - BOOT_IMAGE=/pkg/linux/x86_64-rhel/gcc-4.9/fd78775cf5c9ccf3d03275f6d0edf0d07b191990/vmlinuz-4.3.0-rc6-06968-gfd78775 - max_uptime=1500 - RESULT_ROOT=/result/will-it-scale/performance-readseek1/nhm4/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/fd78775cf5c9ccf3d03275f6d0edf0d07b191990/0 - LKP_SERVER=inn - |- libata.force=1.5Gbps
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/lkp/lkp-x86_64.cgz" modules_initrd: "/pkg/linux/x86_64-rhel/gcc-4.9/fd78775cf5c9ccf3d03275f6d0edf0d07b191990/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: 6.79 3.44 1.39 1/152 4754 start_time: '1445244835' end_time: '1445245139' version: "/lkp/lkp/.src-20151019-093117" 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 readseek1 32 both 1 4 6 8
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