[lkp] [mm] 5c0a85fad9: unixbench.score -6.3% regression
From: kernel test robot
Date: Sun Jun 05 2016 - 22:29:17 EST
FYI, we noticed a -6.3% regression of unixbench.score due to commit:
commit 5c0a85fad949212b3e059692deecdeed74ae7ec7 ("mm: make faultaround produce old ptes")
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
in testcase: unixbench
on test machine: lituya: 16 threads Haswell High-end Desktop (i7-5960X 3.0G) with 16G memory
with following parameters: cpufreq_governor=performance/nr_task=1/test=shell8
Details are as below:
-------------------------------------------------------------------------------------------------->
=========================================================================================
compiler/cpufreq_governor/kconfig/nr_task/rootfs/tbox_group/test/testcase:
gcc-4.9/performance/x86_64-rhel/1/debian-x86_64-2015-02-07.cgz/lituya/shell8/unixbench
commit:
4b50bcc7eda4d3cc9e3f2a0aa60e590fedf728c5
5c0a85fad949212b3e059692deecdeed74ae7ec7
4b50bcc7eda4d3cc 5c0a85fad949212b3e059692de
---------------- --------------------------
fail:runs %reproduction fail:runs
| | |
3:4 -75% :4 kmsg.DHCP/BOOTP:Reply_not_for_us,op[#]xid[#]
%stddev %change %stddev
\ | \
14321 ± 0% -6.3% 13425 ± 0% unixbench.score
1996897 ± 0% -6.1% 1874635 ± 0% unixbench.time.involuntary_context_switches
1.721e+08 ± 0% -6.2% 1.613e+08 ± 0% unixbench.time.minor_page_faults
758.65 ± 0% -3.0% 735.86 ± 0% unixbench.time.system_time
387.66 ± 0% +5.4% 408.49 ± 0% unixbench.time.user_time
5950278 ± 0% -6.2% 5583456 ± 0% unixbench.time.voluntary_context_switches
1960642 ± 0% -11.4% 1737753 ± 0% cpuidle.C1-HSW.usage
5851 ± 0% -43.8% 3286 ± 1% proc-vmstat.nr_active_file
46185 ± 0% -21.2% 36385 ± 2% meminfo.Active
23404 ± 0% -43.8% 13147 ± 1% meminfo.Active(file)
4109 ± 5% -19.6% 3302 ± 4% slabinfo.pid.active_objs
4109 ± 5% -19.6% 3302 ± 4% slabinfo.pid.num_objs
94603 ± 0% -5.7% 89247 ± 0% vmstat.system.cs
8976 ± 0% -2.5% 8754 ± 0% vmstat.system.in
3.38 ± 2% +11.8% 3.77 ± 0% turbostat.CPU%c3
0.24 ±101% -86.3% 0.03 ± 54% turbostat.Pkg%pc3
66.53 ± 0% -1.7% 65.41 ± 0% turbostat.PkgWatt
2061 ± 1% -8.5% 1886 ± 0% sched_debug.cfs_rq:/.exec_clock.stddev
737154 ± 5% +10.8% 817107 ± 3% sched_debug.cpu.avg_idle.max
133057 ± 5% -33.2% 88864 ± 11% sched_debug.cpu.avg_idle.min
181562 ± 8% +15.9% 210434 ± 3% sched_debug.cpu.avg_idle.stddev
0.97 ± 7% +19.0% 1.16 ± 8% sched_debug.cpu.clock.stddev
0.97 ± 7% +19.0% 1.16 ± 8% sched_debug.cpu.clock_task.stddev
248.06 ± 11% +31.0% 324.94 ± 8% sched_debug.cpu.cpu_load[1].max
55.65 ± 14% +28.1% 71.30 ± 8% sched_debug.cpu.cpu_load[1].stddev
233.38 ± 10% +34.4% 313.56 ± 8% sched_debug.cpu.cpu_load[2].max
49.79 ± 15% +35.6% 67.50 ± 9% sched_debug.cpu.cpu_load[2].stddev
233.25 ± 12% +29.9% 302.94 ± 6% sched_debug.cpu.cpu_load[3].max
46.56 ± 8% +12.2% 52.25 ± 6% sched_debug.cpu.cpu_load[3].min
48.51 ± 15% +31.4% 63.76 ± 7% sched_debug.cpu.cpu_load[3].stddev
238.44 ± 12% +19.0% 283.69 ± 3% sched_debug.cpu.cpu_load[4].max
49.56 ± 9% +13.4% 56.19 ± 4% sched_debug.cpu.cpu_load[4].min
48.22 ± 13% +20.1% 57.93 ± 5% sched_debug.cpu.cpu_load[4].stddev
14792 ± 30% +71.9% 25424 ± 17% sched_debug.cpu.curr->pid.avg
42862 ± 1% +42.6% 61121 ± 0% sched_debug.cpu.curr->pid.max
19466 ± 10% +35.4% 26351 ± 9% sched_debug.cpu.curr->pid.stddev
1067 ± 6% -14.9% 909.35 ± 4% sched_debug.cpu.ttwu_local.stddev
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,
Xiaolong
---
LKP_SERVER: inn
LKP_CGI_PORT: 80
LKP_CIFS_PORT: 139
testcase: unixbench
default-monitors:
wait: activate-monitor
kmsg:
uptime:
iostat:
heartbeat:
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
NFS_HANG_DF_TIMEOUT: 200
NFS_HANG_CHECK_INTERVAL: 900
default-watchdogs:
oom-killer:
watchdog:
nfs-hang:
commit: 5c0a85fad949212b3e059692deecdeed74ae7ec7
model: Haswell High-end Desktop
nr_cpu: 16
memory: 16G
hdd_partitions:
swap_partitions:
rootfs_partition:
description: 16 threads Haswell High-end Desktop (i7-5960X 3.0G) with 16G memory
category: benchmark
nr_task: 1
unixbench:
test: shell8
queue: bisect
testbox: lituya
tbox_group: lituya
kconfig: x86_64-rhel
enqueue_time: 2016-06-04 03:26:52.444586006 +08:00
compiler: gcc-4.9
rootfs: debian-x86_64-2015-02-07.cgz
id: 101932ca34f6ff20613b88f6bed66fbc4afdfb95
user: lkp
head_commit: 73aa85b30706f742655a10c967c033b56c731aff
base_commit: 1a695a905c18548062509178b98bc91e67510864
branch: internal-devel/devel-hourly-2016060108-internal
result_root: "/result/unixbench/performance-1-shell8/lituya/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/5c0a85fad949212b3e059692deecdeed74ae7ec7/1"
job_file: "/lkp/scheduled/lituya/bisect_unixbench-performance-1-shell8-debian-x86_64-2015-02-07.cgz-x86_64-rhel-5c0a85fad949212b3e059692deecdeed74ae7ec7-20160604-57400-1fovod8-1.yaml"
max_uptime: 1032.28
initrd: "/osimage/debian/debian-x86_64-2015-02-07.cgz"
bootloader_append:
- root=/dev/ram0
- user=lkp
- job=/lkp/scheduled/lituya/bisect_unixbench-performance-1-shell8-debian-x86_64-2015-02-07.cgz-x86_64-rhel-5c0a85fad949212b3e059692deecdeed74ae7ec7-20160604-57400-1fovod8-1.yaml
- ARCH=x86_64
- kconfig=x86_64-rhel
- branch=internal-devel/devel-hourly-2016060108-internal
- commit=5c0a85fad949212b3e059692deecdeed74ae7ec7
- BOOT_IMAGE=/pkg/linux/x86_64-rhel/gcc-4.9/5c0a85fad949212b3e059692deecdeed74ae7ec7/vmlinuz-4.6.0-06629-g5c0a85f
- max_uptime=1032
- RESULT_ROOT=/result/unixbench/performance-1-shell8/lituya/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/5c0a85fad949212b3e059692deecdeed74ae7ec7/1
- 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/lkp/lkp-x86_64.cgz"
modules_initrd: "/pkg/linux/x86_64-rhel/gcc-4.9/5c0a85fad949212b3e059692deecdeed74ae7ec7/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"
linux_headers_initrd: "/pkg/linux/x86_64-rhel/gcc-4.9/5c0a85fad949212b3e059692deecdeed74ae7ec7/linux-headers.cgz"
repeat_to: 2
kernel: "/pkg/linux/x86_64-rhel/gcc-4.9/5c0a85fad949212b3e059692deecdeed74ae7ec7/vmlinuz-4.6.0-06629-g5c0a85f"
dequeue_time: 2016-06-04 03:40:50.807274201 +08:00
job_state: finished
loadavg: 5.70 2.70 1.05 1/257 3744
start_time: '1465010834'
end_time: '1465011023'
version: "/lkp/lkp/.src-20160603-214427"
2016-06-04 11:23:32 echo performance > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
2016-06-04 11:23:32 echo performance > /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor
2016-06-04 11:23:32 echo performance > /sys/devices/system/cpu/cpu10/cpufreq/scaling_governor
2016-06-04 11:23:32 echo performance > /sys/devices/system/cpu/cpu11/cpufreq/scaling_governor
2016-06-04 11:23:32 echo performance > /sys/devices/system/cpu/cpu12/cpufreq/scaling_governor
2016-06-04 11:23:32 echo performance > /sys/devices/system/cpu/cpu13/cpufreq/scaling_governor
2016-06-04 11:23:32 echo performance > /sys/devices/system/cpu/cpu14/cpufreq/scaling_governor
2016-06-04 11:23:32 echo performance > /sys/devices/system/cpu/cpu15/cpufreq/scaling_governor
2016-06-04 11:23:32 echo performance > /sys/devices/system/cpu/cpu2/cpufreq/scaling_governor
2016-06-04 11:23:32 echo performance > /sys/devices/system/cpu/cpu3/cpufreq/scaling_governor
2016-06-04 11:23:32 echo performance > /sys/devices/system/cpu/cpu4/cpufreq/scaling_governor
2016-06-04 11:23:32 echo performance > /sys/devices/system/cpu/cpu5/cpufreq/scaling_governor
2016-06-04 11:23:32 echo performance > /sys/devices/system/cpu/cpu6/cpufreq/scaling_governor
2016-06-04 11:23:32 echo performance > /sys/devices/system/cpu/cpu7/cpufreq/scaling_governor
2016-06-04 11:23:32 echo performance > /sys/devices/system/cpu/cpu8/cpufreq/scaling_governor
2016-06-04 11:23:32 echo performance > /sys/devices/system/cpu/cpu9/cpufreq/scaling_governor
2016-06-04 11:23:33 ./Run shell8 -c 1