FYI, we noticed that unixbench.score +37.4% improvement with your commit.
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
commit a4675fbc4a7abe072ac6ba38c252f22a91ebcd94 ("cpufreq: intel_pstate:
Replace timers with utilization update callbacks")
commit:
34e2c555f3e13c90e9284e23d00f03be8a6e06c5
a4675fbc4a7abe072ac6ba38c252f22a91ebcd94
34e2c555f3e13c90 a4675fbc4a7abe072ac6ba38c2
---------------- --------------------------
%stddev %change %stddev
\ | \
471.50 ± 0% +37.4% 647.98 ± 0% unixbench.score
181102 ± 0% +36.8% 247709 ± 0%
unixbench.time.involuntary_context_switches
8448017 ± 0% +36.6% 11542098 ± 0% unixbench.time.minor_page_faults
8726 ± 0% +21.9% 10639 ± 0% vmstat.system.cs
181102 ± 0% +36.8% 247709 ± 0% time.involuntary_context_switches
8448017 ± 0% +36.6% 11542098 ± 0% time.minor_page_faults
5958 ± 4% -7.9% 5488 ± 2% slabinfo.kmalloc-256.active_objs
6512 ± 6% -8.9% 5930 ± 1% slabinfo.kmalloc-256.num_objs
22373 ± 4% +8.6% 24291 ± 4% slabinfo.kmalloc-32.active_objs
22373 ± 4% +8.6% 24291 ± 4% slabinfo.kmalloc-32.num_objs
4664 ± 19% -37.3% 2925 ± 26% cpuidle.C1-HSW.usage
886.25 ± 3% +50.4% 1333 ± 10% cpuidle.C1E-HSW.usage
45236605 ± 4% -52.0% 21702696 ± 4% cpuidle.C3-HSW.time
395591 ± 0% +22.6% 485056 ± 0% cpuidle.C6-HSW.usage
11660 ± 5% +33.9% 15610 ± 6% cpuidle.POLL.usage
6819262 ± 0% +36.2% 9290485 ± 0% proc-vmstat.numa_hit
6819262 ± 0% +36.2% 9290485 ± 0% proc-vmstat.numa_local
910141 ± 0% +36.2% 1239946 ± 0% proc-vmstat.pgalloc_dma32
5915149 ± 0% +36.2% 8057456 ± 0% proc-vmstat.pgalloc_normal
8533297 ± 0% +36.3% 11626985 ± 0% proc-vmstat.pgfault
6821913 ± 0% +36.2% 9293880 ± 0% proc-vmstat.pgfree
6.19 ± 0% -1.9% 6.07 ± 0% turbostat.%Busy
85.75 ± 0% +54.8% 132.75 ± 0% turbostat.Avg_MHz
1384 ± 0% +58.1% 2188 ± 0% turbostat.Bzy_MHz
16.87 ± 0% +11.1% 18.74 ± 0% turbostat.CPU%c1
4.39 ± 4% -57.3% 1.88 ± 4% turbostat.CPU%c3
17.55 ± 0% +14.4% 20.07 ± 0% turbostat.PkgWatt
31.10 ± 10% +48.0% 46.02 ± 16% sched_debug.cfs_rq:/.load_avg.avg
29.51 ± 21% +110.2% 62.02 ± 36%
sched_debug.cfs_rq:/.load_avg.stddev
132.14 ± 6% +11.6% 147.44 ± 2% sched_debug.cfs_rq:/.util_avg.avg
630069 ± 13% -30.9% 435560 ± 5% sched_debug.cpu.avg_idle.min
116621 ± 17% +51.1% 176162 ± 2% sched_debug.cpu.avg_idle.stddev
4052 ± 3% +17.5% 4763 ± 4%
sched_debug.cpu.nr_load_updates.min
18741 ± 1% +19.3% 22354 ± 0% sched_debug.cpu.nr_switches.avg
33330 ± 6% +20.5% 40157 ± 9% sched_debug.cpu.nr_switches.max
8418 ± 4% +30.5% 10985 ± 5% sched_debug.cpu.nr_switches.min
8423 ± 4% +30.5% 10991 ± 5% sched_debug.cpu.sched_count.min
7484 ± 1% +15.7% 8655 ± 0% sched_debug.cpu.sched_goidle.avg
13946 ± 7% +18.9% 16585 ± 10% sched_debug.cpu.sched_goidle.max
3078 ± 4% +28.0% 3941 ± 4% sched_debug.cpu.sched_goidle.min
7645 ± 1% +15.5% 8831 ± 0% sched_debug.cpu.ttwu_count.avg
2614 ± 4% +33.9% 3500 ± 3% sched_debug.cpu.ttwu_count.min
4499 ± 0% +27.2% 5723 ± 0% sched_debug.cpu.ttwu_local.avg
8842 ± 4% +14.6% 10134 ± 8% sched_debug.cpu.ttwu_local.max
2322 ± 3% +30.8% 3038 ± 5% sched_debug.cpu.ttwu_local.min
2220 ± 4% +13.8% 2527 ± 7% sched_debug.cpu.ttwu_local.stddev
unixbench.score
700 ++--------------------------------------------------------------------+
OO OO OO OO OO OO OOO OO OO OO OO OOO OO OO OO OO OO OOO OO OO OO |
600 ++ |
| |
500 ++ |
**.**.**.**.** *.***.**.**.**.**.***.**.**.**.**.**.***.**.**.**.**.**
400 ++ : : |
| : : |
300 ++ : : |
| : : |
200 ++ :: |
| :: |
100 ++ : |
| : |
0 ++-------------*------------------------------------------------------+
unixbench.time.minor_page_faults
1.2e+07 OO-OO-O-O-OOO-OO-OOO-OOO-OO-OOO-OOO--O---O--O------OO-OO-----O----+
| O O OO O O OO O O OO |
1e+07 ++ |
| |
**.**.***.*** *.***.***.**.***.***.**.***.***.**.***.***.**.***.**
8e+06 ++ : : |
| : : |
6e+06 ++ : : |
| : : |
4e+06 ++ : : |
| :: |
| :: |
2e+06 ++ : |
| : |
0 ++------------*---------------------------------------------------+
unixbench.time.involuntary_context_switches
300000 ++-----------------------------------------------------------------+
| |
250000 OO O O O OO OO OOO OO OOO OO OOO OO O OO OO OOO OO O O |
| O O OO O O O O O |
| |
200000 ++ |
**.**.***.**.* *.**.***.**.***.**.***.***.**.***.**.***.**.***.**.**
150000 ++ : : |
| : : |
100000 ++ : : |
| :: |
| : |
50000 ++ : |
| : |
0 ++------------*----------------------------------------------------+
time.minor_page_faults
1.2e+07 OO-OO-O-O-OOO-OO-OOO-OOO-OO-OOO-OOO--O---O--O------OO-OO-----O----+
| O O OO O O OO O O OO |
1e+07 ++ |
| |
**.**.***.*** *.***.***.**.***.***.**.***.***.**.***.***.**.***.**
8e+06 ++ : : |
| : : |
6e+06 ++ : : |
| : : |
4e+06 ++ : : |
| :: |
| :: |
2e+06 ++ : |
| : |
0 ++------------*---------------------------------------------------+
time.involuntary_context_switches
300000 ++-----------------------------------------------------------------+
| |
250000 OO O O O OO OO OOO OO OOO OO OOO OO O OO OO OOO OO O O |
| O O OO O O O O O |
| |
200000 ++ |
**.**.***.**.* *.**.***.**.***.**.***.***.**.***.**.***.**.***.**.**
150000 ++ : : |
| : : |
100000 ++ : : |
| :: |
| : |
50000 ++ : |
| : |
0 ++------------*----------------------------------------------------+
[*] 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,
Xiaolong Ye
---
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: powersave
default-watchdogs:
oom-killer:
watchdog:
commit: a4675fbc4a7abe072ac6ba38c252f22a91ebcd94
model: Grantley Haswell
nr_cpu: 16
memory: 16G
hdd_partitions:
swap_partitions:
rootfs_partition:
category: benchmark
nr_task: 1
unixbench:
test: execl
queue: bisect
testbox: lituya
tbox_group: lituya
kconfig: x86_64-rhel
enqueue_time: 2016-03-27 17:00:53.774718705 +08:00
compiler: gcc-4.9
rootfs: debian-x86_64-2015-02-07.cgz
id: 48e2badeefb71934d2f2a2ff6b6be20562bd93ed
user: lkp
head_commit: 1cf74915e3469fea96c5c53c4561dce114b83ace
base_commit: b562e44f507e863c6792946e4e1b1449fbbac85d
branch: linux-devel/devel-hourly-2016032221
result_root:
"/result/unixbench/powersave-1-execl/lituya/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/a4675fbc4a7abe072ac6ba38c252f22a91ebcd94/0"
job_file:
"/lkp/scheduled/lituya/bisect_unixbench-powersave-1-execl-debian-x86_64-2015-02-07.cgz-x86_64-rhel-a4675fbc4a7abe072ac6ba38c252f22a91ebcd94-20160327-40079-1c1bacg-0.yaml"
max_uptime: 852.6999999999999
initrd: "/osimage/debian/debian-x86_64-2015-02-07.cgz"
bootloader_append:
- root=/dev/ram0
- user=lkp
-
job=/lkp/scheduled/lituya/bisect_unixbench-powersave-1-execl-debian-x86_64-2015-02-07.cgz-x86_64-rhel-a4675fbc4a7abe072ac6ba38c252f22a91ebcd94-20160327-40079-1c1bacg-0.yaml
- ARCH=x86_64
- kconfig=x86_64-rhel
- branch=linux-devel/devel-hourly-2016032221
- commit=a4675fbc4a7abe072ac6ba38c252f22a91ebcd94
-
BOOT_IMAGE=/pkg/linux/x86_64-rhel/gcc-4.9/a4675fbc4a7abe072ac6ba38c252f22a91ebcd94/vmlinuz-4.5.0-rc2-00003-ga4675fb
- max_uptime=852
-
RESULT_ROOT=/result/unixbench/powersave-1-execl/lituya/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/a4675fbc4a7abe072ac6ba38c252f22a91ebcd94/0
- 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/a4675fbc4a7abe072ac6ba38c252f22a91ebcd94/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/a4675fbc4a7abe072ac6ba38c252f22a91ebcd94/linux-headers.cgz"
repeat_to: 2
kernel:
"/pkg/linux/x86_64-rhel/gcc-4.9/a4675fbc4a7abe072ac6ba38c252f22a91ebcd94/vmlinuz-4.5.0-rc2-00003-ga4675fb"
dequeue_time: 2016-03-27 17:01:14.673265226 +08:00
job_state: finished
loadavg: 0.77 0.28 0.10 1/237 2306
start_time: '1459069303'
end_time: '1459069402'
version: "/lkp/lkp/.src-20160325-205817"
2016-03-27 17:01:42 echo powersave >
/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
2016-03-27 17:01:42 echo powersave >
/sys/devices/system/cpu/cpu1/cpufreq/scaling_governor
2016-03-27 17:01:42 echo powersave >
/sys/devices/system/cpu/cpu10/cpufreq/scaling_governor
2016-03-27 17:01:42 echo powersave >
/sys/devices/system/cpu/cpu11/cpufreq/scaling_governor
2016-03-27 17:01:42 echo powersave >
/sys/devices/system/cpu/cpu12/cpufreq/scaling_governor
2016-03-27 17:01:42 echo powersave >
/sys/devices/system/cpu/cpu13/cpufreq/scaling_governor
2016-03-27 17:01:42 echo powersave >
/sys/devices/system/cpu/cpu14/cpufreq/scaling_governor
2016-03-27 17:01:42 echo powersave >
/sys/devices/system/cpu/cpu15/cpufreq/scaling_governor
2016-03-27 17:01:42 echo powersave >
/sys/devices/system/cpu/cpu2/cpufreq/scaling_governor
2016-03-27 17:01:42 echo powersave >
/sys/devices/system/cpu/cpu3/cpufreq/scaling_governor
2016-03-27 17:01:42 echo powersave >
/sys/devices/system/cpu/cpu4/cpufreq/scaling_governor
2016-03-27 17:01:42 echo powersave >
/sys/devices/system/cpu/cpu5/cpufreq/scaling_governor
2016-03-27 17:01:42 echo powersave >
/sys/devices/system/cpu/cpu6/cpufreq/scaling_governor
2016-03-27 17:01:42 echo powersave >
/sys/devices/system/cpu/cpu7/cpufreq/scaling_governor
2016-03-27 17:01:42 echo powersave >
/sys/devices/system/cpu/cpu8/cpufreq/scaling_governor
2016-03-27 17:01:42 echo powersave >
/sys/devices/system/cpu/cpu9/cpufreq/scaling_governor
2016-03-27 17:01:43 ./Run execl -c 1
