[LKP] [fs] 04b2fa9f8f3: +2.2% unixbench.score

From: Huang Ying
Date: Tue May 05 2015 - 22:36:20 EST

FYI, we noticed the below changes on

git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
commit 04b2fa9f8f36ec6fb6fd1c9dc9df6fff0cd27323 ("fs: split generic and aio kiocb")


testbox/testcase/testparams: ivb42/unixbench/performance-pipe

599bd19bdc4c6b20 04b2fa9f8f36ec6fb6fd1c9dc9
---------------- --------------------------
%stddev %change %stddev
\ | \
1733 Â 0% +2.2% 1770 Â 0% unixbench.score
21746 Â 5% -9.4% 19710 Â 5% numa-meminfo.node0.SReclaimable
20531 Â 6% +9.5% 22492 Â 5% numa-meminfo.node1.SReclaimable
5436 Â 5% -9.4% 4927 Â 5% numa-vmstat.node0.nr_slab_reclaimable
5132 Â 6% +9.6% 5622 Â 5% numa-vmstat.node1.nr_slab_reclaimable
22344 Â 41% -49.2% 11343 Â 21% sched_debug.cfs_rq[0]:/.min_vruntime
8908 Â 10% -23.9% 6780 Â 20% sched_debug.cfs_rq[19]:/.min_vruntime
2 Â 30% -63.6% 1 Â 0% sched_debug.cfs_rq[25]:/.nr_spread_over
245 Â 8% +37.6% 337 Â 18% sched_debug.cfs_rq[26]:/.avg->runnable_avg_sum
4354 Â 19% -23.6% 3327 Â 4% sched_debug.cfs_rq[3]:/.exec_clock
11391 Â 13% -36.9% 7185 Â 20% sched_debug.cfs_rq[4]:/.min_vruntime
558 Â 17% -30.7% 387 Â 23% sched_debug.cfs_rq[4]:/.exec_clock
2679 Â 6% +43.9% 3856 Â 13% sched_debug.cpu#13.sched_count
1038 Â 4% +54.8% 1607 Â 19% sched_debug.cpu#13.ttwu_count
720 Â 21% +22.2% 880 Â 9% sched_debug.cpu#33.nr_switches
726 Â 21% +22.3% 888 Â 9% sched_debug.cpu#33.sched_count
4524 Â 1% +79.6% 8127 Â 45% sched_debug.cpu#33.nr_load_updates
326 Â 21% +21.3% 396 Â 11% sched_debug.cpu#33.sched_goidle
598 Â 10% +27.8% 764 Â 15% sched_debug.cpu#35.nr_switches
606 Â 10% +27.0% 770 Â 15% sched_debug.cpu#35.sched_count
7807 Â 41% -42.6% 4477 Â 2% sched_debug.cpu#35.nr_load_updates
269 Â 11% +27.5% 344 Â 13% sched_debug.cpu#35.sched_goidle
4923 Â 36% -43.3% 2790 Â 11% sched_debug.cpu#4.sched_count
501 Â 17% -25.3% 374 Â 28% sched_debug.cpu#44.sched_goidle
396 Â 6% +17.7% 466 Â 8% sched_debug.cpu#46.sched_goidle
833 Â 10% +39.4% 1162 Â 4% sched_debug.cpu#8.sched_goidle
249 Â 39% +113.6% 533 Â 10% sched_debug.cpu#8.ttwu_local
1738 Â 10% +40.7% 2446 Â 5% sched_debug.cpu#8.nr_switches
670 Â 11% +36.0% 911 Â 8% sched_debug.cpu#8.ttwu_count
0.00 Â 20% +55.2% 0.00 Â 39% sched_debug.rt_rq[44]:/.rt_time

ivb42: Ivytown Ivy Bridge-EP
Memory: 64G




unixbench.score

1790 ++-------------------------------------------------------------------+
| O O O O O O |
1780 O+ O O O O O O O O O |
1770 ++ O O O O O O O O O O O O O O
| O O O O |
1760 ++ O |
1750 ++ |
| |
1740 ++ |
1730 ++ *.* *.*.*.* |
*. + : : |
1720 ++*.*.*.* : .*.*.*.* : |
1710 ++ :.* + .*. .*.*.*.*.*.*.*.* |
| * * *.*. |
1700 ++-------------------------------------------------------------------+


[*] bisect-good sample
[O] bisect-bad sample

To reproduce:

apt-get install ruby
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,
Ying Huang

---
testcase: unixbench
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: b787f68c36d49bb1d9236f403813641efa74a031
model: Ivytown Ivy Bridge-EP
nr_cpu: 48
memory: 64G
unixbench:
test: pipe
testbox: ivb42
tbox_group: ivb42
kconfig: x86_64-rhel
enqueue_time: 2015-04-29 03:15:44.724892633 +08:00
head_commit: 36aa2932b5ecf0c8ccefb39c27373551a96742ae
base_commit: b787f68c36d49bb1d9236f403813641efa74a031
branch: linux-devel/devel-hourly-2015050123
kernel: "/kernel/x86_64-rhel/b787f68c36d49bb1d9236f403813641efa74a031/vmlinuz-4.1.0-rc1"
user: lkp
queue: cyclic
rootfs: debian-x86_64-2015-02-07.cgz
result_root: "/result/ivb42/unixbench/performance-pipe/debian-x86_64-2015-02-07.cgz/x86_64-rhel/b787f68c36d49bb1d9236f403813641efa74a031/0"
LKP_SERVER: inn
job_file: "/lkp/scheduled/ivb42/cyclic_unixbench-performance-pipe-x86_64-rhel-BASE-b787f68c36d49bb1d9236f403813641efa74a031-0-20150429-91386-37s44j.yaml"
dequeue_time: 2015-05-02 10:10:41.569897419 +08:00
initrd: "/osimage/debian/debian-x86_64-2015-02-07.cgz"
bootloader_append:
- root=/dev/ram0
- user=lkp
- job=/lkp/scheduled/ivb42/cyclic_unixbench-performance-pipe-x86_64-rhel-BASE-b787f68c36d49bb1d9236f403813641efa74a031-0-20150429-91386-37s44j.yaml
- ARCH=x86_64
- kconfig=x86_64-rhel
- branch=linux-devel/devel-hourly-2015050123
- commit=b787f68c36d49bb1d9236f403813641efa74a031
- BOOT_IMAGE=/kernel/x86_64-rhel/b787f68c36d49bb1d9236f403813641efa74a031/vmlinuz-4.1.0-rc1
- RESULT_ROOT=/result/ivb42/unixbench/performance-pipe/debian-x86_64-2015-02-07.cgz/x86_64-rhel/b787f68c36d49bb1d9236f403813641efa74a031/0
- LKP_SERVER=inn
- |2-


earlyprintk=ttyS0,115200 rd.udev.log-priority=err systemd.log_target=journal systemd.log_level=warning
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
max_uptime: 955.04
lkp_initrd: "/lkp/lkp/lkp-x86_64.cgz"
modules_initrd: "/kernel/x86_64-rhel/b787f68c36d49bb1d9236f403813641efa74a031/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/unixbench.cgz"
job_state: finished
loadavg: 0.60 0.27 0.10 1/497 5046
start_time: '1430532691'
end_time: '1430532822'
version: "/lkp/lkp/.src-20150501-154733"
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/cpu10/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu11/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu12/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu13/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu14/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu15/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu16/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu17/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu18/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu19/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu2/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu20/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu21/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu22/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu23/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu24/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu25/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu26/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu27/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu28/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu29/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu3/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu30/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu31/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu32/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu33/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu34/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu35/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu36/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu37/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu38/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu39/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu4/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu40/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu41/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu42/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu43/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu44/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu45/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu46/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu47/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
echo performance > /sys/devices/system/cpu/cpu8/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu9/cpufreq/scaling_governor
./Run pipe
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