[lkp] [sched/numa] b52da86e0a: -1.4% will-it-scale.per_thread_ops
From: kernel test robot
Date: Wed Oct 21 2015 - 03:32:32 EST
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