[lkp] [futex] 65d8fc777f: +25.6% will-it-scale.per_process_ops

From: kernel test robot
Date: Mon Feb 29 2016 - 03:36:55 EST

FYI, we noticed the below changes on

https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
commit 65d8fc777f6dcfee12785c057a6b57f679641c90 ("futex: Remove requirement for lock_page() in get_futex_key()")


=========================================================================================
compiler/cpufreq_governor/kconfig/rootfs/tbox_group/test/testcase:
gcc-4.9/performance/x86_64-rhel/debian-x86_64-2015-02-07.cgz/lkp-sbx04/futex1/will-it-scale

commit:
8ad7b378d0d016309014cae0f640434bca7b5e11
65d8fc777f6dcfee12785c057a6b57f679641c90

8ad7b378d0d01630 65d8fc777f6dcfee12785c057a
---------------- --------------------------
%stddev %change %stddev
\ | \
5076304 ± 0% +25.6% 6374220 ± 0% will-it-scale.per_process_ops
1194117 ± 0% +14.4% 1366153 ± 1% will-it-scale.per_thread_ops
0.58 ± 0% -2.0% 0.57 ± 0% will-it-scale.scalability
6820 ± 0% -19.6% 5483 ± 15% meminfo.AnonHugePages
2652 ± 5% -10.4% 2375 ± 2% vmstat.system.cs
2848 ± 32% +141.2% 6870 ± 65% numa-meminfo.node1.Active(anon)
2832 ± 31% +57.6% 4465 ± 27% numa-meminfo.node1.AnonPages
15018 ± 12% -23.3% 11515 ± 15% numa-meminfo.node2.AnonPages
1214 ± 14% -22.8% 936.75 ± 20% numa-meminfo.node3.PageTables
712.25 ± 32% +141.2% 1718 ± 65% numa-vmstat.node1.nr_active_anon
708.25 ± 31% +57.7% 1116 ± 27% numa-vmstat.node1.nr_anon_pages
3754 ± 12% -23.3% 2879 ± 15% numa-vmstat.node2.nr_anon_pages
304.75 ± 14% -23.1% 234.50 ± 20% numa-vmstat.node3.nr_page_table_pages
3.53 ± 1% -100.0% 0.00 ± -1% perf-profile.cycles.___might_sleep.__might_sleep.get_futex_key.futex_wake.do_futex
4.34 ± 1% -100.0% 0.00 ± -1% perf-profile.cycles.__might_sleep.get_futex_key.futex_wake.do_futex.sys_futex
1.27 ± 3% -100.0% 0.00 ± -1% perf-profile.cycles.__wake_up_bit.unlock_page.get_futex_key.futex_wake.do_futex
4.36 ± 1% +29.6% 5.65 ± 1% perf-profile.cycles.drop_futex_key_refs.isra.12.futex_wake.do_futex.sys_futex.entry_SYSCALL_64_fastpath
6.69 ± 1% +28.1% 8.57 ± 0% perf-profile.cycles.entry_SYSCALL_64
6.73 ± 0% +30.6% 8.79 ± 0% perf-profile.cycles.entry_SYSCALL_64_after_swapgs
74.21 ± 0% -11.0% 66.06 ± 0% perf-profile.cycles.futex_wake.do_futex.sys_futex.entry_SYSCALL_64_fastpath
59.05 ± 0% -21.4% 46.40 ± 0% perf-profile.cycles.get_futex_key.futex_wake.do_futex.sys_futex.entry_SYSCALL_64_fastpath
4.12 ± 0% +78.5% 7.36 ± 1% perf-profile.cycles.get_futex_key_refs.isra.11.futex_wake.do_futex.sys_futex.entry_SYSCALL_64_fastpath
2.27 ± 3% +24.1% 2.82 ± 4% perf-profile.cycles.get_user_pages_fast.futex_wake.do_futex.sys_futex.entry_SYSCALL_64_fastpath
26.95 ± 0% +30.0% 35.04 ± 1% perf-profile.cycles.get_user_pages_fast.get_futex_key.futex_wake.do_futex.sys_futex
13.43 ± 0% +27.2% 17.09 ± 1% perf-profile.cycles.gup_pte_range.gup_pud_range.get_user_pages_fast.get_futex_key.futex_wake
19.66 ± 1% +28.4% 25.24 ± 0% perf-profile.cycles.gup_pud_range.get_user_pages_fast.get_futex_key.futex_wake.do_futex
4.33 ± 1% +37.0% 5.93 ± 4% perf-profile.cycles.hash_futex.do_futex.sys_futex.entry_SYSCALL_64_fastpath
13.59 ± 0% -100.0% 0.00 ± -1% perf-profile.cycles.unlock_page.get_futex_key.futex_wake.do_futex.sys_futex
15160 ± 19% -34.8% 9883 ± 0% sched_debug.cfs_rq:/.exec_clock.min
27.25 ± 15% -37.6% 17.00 ± 8% sched_debug.cfs_rq:/.load_avg.7
21.00 ± 38% -27.4% 15.25 ± 2% sched_debug.cpu.cpu_load[2].1
21.00 ± 38% -27.4% 15.25 ± 2% sched_debug.cpu.cpu_load[3].1
21.00 ± 38% -27.4% 15.25 ± 2% sched_debug.cpu.cpu_load[4].1
1790 ± 0% +42.4% 2549 ± 45% sched_debug.cpu.curr->pid.21
50033 ± 4% -6.8% 46622 ± 4% sched_debug.cpu.nr_load_updates.29
4398 ± 42% +103.5% 8949 ± 23% sched_debug.cpu.nr_switches.11
7452 ± 34% +111.3% 15744 ± 54% sched_debug.cpu.nr_switches.20
3739 ± 13% +213.5% 11723 ± 40% sched_debug.cpu.nr_switches.23
1648 ± 53% +96.5% 3239 ± 63% sched_debug.cpu.nr_switches.51
0.25 ±519% -1300.0% -3.00 ±-52% sched_debug.cpu.nr_uninterruptible.24
8632 ± 16% -32.5% 5823 ± 19% sched_debug.cpu.sched_count.1
5091 ± 36% +137.5% 12092 ± 31% sched_debug.cpu.sched_count.11
12453 ± 90% -74.6% 3159 ± 24% sched_debug.cpu.sched_count.2
7782 ± 32% +118.2% 16977 ± 46% sched_debug.cpu.sched_count.20
2665 ± 48% -49.8% 1337 ± 30% sched_debug.cpu.sched_count.32
1365 ± 11% -14.0% 1174 ± 3% sched_debug.cpu.sched_count.45
1693 ± 51% +147.7% 4193 ± 42% sched_debug.cpu.sched_count.51
5023 ± 57% -51.5% 2434 ± 43% sched_debug.cpu.sched_count.57
1705 ± 16% +129.6% 3915 ± 48% sched_debug.cpu.sched_goidle.23
536.25 ± 14% -18.7% 435.75 ± 2% sched_debug.cpu.sched_goidle.45
1228 ± 19% -27.3% 892.50 ± 17% sched_debug.cpu.sched_goidle.5
1919 ± 55% +88.5% 3617 ± 37% sched_debug.cpu.ttwu_count.11
7699 ± 35% -43.7% 4335 ± 43% sched_debug.cpu.ttwu_count.24
5380 ± 36% -45.6% 2926 ± 18% sched_debug.cpu.ttwu_count.30
563.25 ± 20% +140.3% 1353 ± 38% sched_debug.cpu.ttwu_local.11
4297 ± 46% -49.1% 2186 ± 39% sched_debug.cpu.ttwu_local.24
2828 ± 47% -47.8% 1475 ± 34% sched_debug.cpu.ttwu_local.27
3243 ± 36% -54.3% 1482 ± 32% sched_debug.cpu.ttwu_local.30
199.25 ± 6% +100.6% 399.75 ± 32% sched_debug.cpu.ttwu_local.44
1158 ± 64% -67.3% 379.00 ± 46% sched_debug.cpu.ttwu_local.54
242.25 ± 21% +51.0% 365.75 ± 19% sched_debug.cpu.ttwu_local.55
1009 ± 26% -50.8% 496.50 ± 44% sched_debug.cpu.ttwu_local.59
1736 ± 53% -67.8% 559.25 ± 22% sched_debug.cpu.ttwu_local.9


lkp-sbx04: Sandy Bridge-EX
Memory: 64G


perf-profile.cycles.futex_wake.do_futex.sys_futex.entry_SYSCALL_64_fastpath

76 ++---------------------------------------------------------------------+
| |
74 ++ .*.. .*..*..*.. .*.. .*.. .*.. .*.. .*..*..*..* |
*..*. *..*..*. *..*. *.*. *. *. *. |
| |
72 ++ |
| |
70 ++ |
| |
68 ++ |
| |
| O O O O O O O O O O O |
66 O+ O O O O O
| O O O O O O O |
64 ++-------------O-------------------------------------------------------+



will-it-scale.per_process_ops

6.6e+06 O+----O-O--O------------------------------------------------------+
| O O O O O |
6.4e+06 ++ O O O O O O O O O O O O O O O O
| |
6.2e+06 ++ |
6e+06 ++ |
| |
5.8e+06 ++ |
| |
5.6e+06 ++ |
5.4e+06 ++ |
| |
5.2e+06 ++ |
*..*..*.*..*..*..*.*..*..*..*.*..*..*..*.*..*..*..*.*..*..*..*.* |
5e+06 ++----------------------------------------------------------------+


[*] 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:
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
default-watchdogs:
oom-killer:
watchdog:
commit: 65d8fc777f6dcfee12785c057a6b57f679641c90
model: Sandy Bridge-EX
nr_cpu: 64
memory: 64G
nr_ssd_partitions: 7
ssd_partitions: "/dev/disk/by-id/ata-INTEL_SSDSC2*-part1"
swap_partitions:
category: benchmark
perf-profile:
freq: 800
will-it-scale:
test: futex1
queue: bisect
testbox: lkp-sbx04
tbox_group: lkp-sbx04
kconfig: x86_64-rhel
enqueue_time: 2016-02-28 23:45:52.199165563 +08:00
compiler: gcc-4.9
rootfs: debian-x86_64-2015-02-07.cgz
id: 6b2c2bd744dd898009648cb82de7e0ba77de33f1
user: lkp
head_commit: ed520c327c4259ec08b1677023087f658329b961
base_commit: 81f70ba233d5f660e1ea5fe23260ee323af5d53a
branch: linux-devel/devel-hourly-2016022811
result_root: "/result/will-it-scale/performance-futex1/lkp-sbx04/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/65d8fc777f6dcfee12785c057a6b57f679641c90/0"
job_file: "/lkp/scheduled/lkp-sbx04/bisect_will-it-scale-performance-futex1-debian-x86_64-2015-02-07.cgz-x86_64-rhel-65d8fc777f6dcfee12785c057a6b57f679641c90-20160228-23650-17c4qc1-0.yaml"
max_uptime: 1500
initrd: "/osimage/debian/debian-x86_64-2015-02-07.cgz"
bootloader_append:
- root=/dev/ram0
- user=lkp
- job=/lkp/scheduled/lkp-sbx04/bisect_will-it-scale-performance-futex1-debian-x86_64-2015-02-07.cgz-x86_64-rhel-65d8fc777f6dcfee12785c057a6b57f679641c90-20160228-23650-17c4qc1-0.yaml
- ARCH=x86_64
- kconfig=x86_64-rhel
- branch=linux-devel/devel-hourly-2016022811
- commit=65d8fc777f6dcfee12785c057a6b57f679641c90
- BOOT_IMAGE=/pkg/linux/x86_64-rhel/gcc-4.9/65d8fc777f6dcfee12785c057a6b57f679641c90/vmlinuz-4.5.0-rc3-00235-g65d8fc7
- max_uptime=1500
- RESULT_ROOT=/result/will-it-scale/performance-futex1/lkp-sbx04/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/65d8fc777f6dcfee12785c057a6b57f679641c90/0
- 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-4.9/65d8fc777f6dcfee12785c057a6b57f679641c90/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,/osimage/deps/debian-x86_64-2015-02-07.cgz/will-it-scale.cgz,/lkp/benchmarks/will-it-scale.cgz,/lkp/benchmarks/will-it-scale-x86_64.cgz"
linux_headers_initrd: "/pkg/linux/x86_64-rhel/gcc-4.9/65d8fc777f6dcfee12785c057a6b57f679641c90/linux-headers.cgz"
repeat_to: 2
kernel: "/pkg/linux/x86_64-rhel/gcc-4.9/65d8fc777f6dcfee12785c057a6b57f679641c90/vmlinuz-4.5.0-rc3-00235-g65d8fc7"
dequeue_time: 2016-02-28 23:46:33.938915178 +08:00
job_state: finished
loadavg: 45.27 20.12 7.84 2/649 11559
start_time: '1456674445'
end_time: '1456674754'
version: "/lkp/lkp/.src-20160226-194908"
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu10/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu11/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu12/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu13/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu14/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu15/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu16/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu17/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu18/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu19/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu2/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu20/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu21/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu22/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu23/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu24/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu25/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu26/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu27/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu28/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu29/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu3/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu30/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu31/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu32/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu33/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu34/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu35/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu36/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu37/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu38/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu39/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu4/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu40/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu41/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu42/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu43/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu44/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu45/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu46/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu47/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu48/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu49/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu5/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu50/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu51/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu52/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu53/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu54/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu55/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu56/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu57/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu58/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu59/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu6/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu60/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu61/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu62/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu63/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu7/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu8/cpufreq/scaling_governor
2016-02-28 23:47:24 echo performance > /sys/devices/system/cpu/cpu9/cpufreq/scaling_governor
2016-02-28 23:47:25 ./runtest.py futex1 16 both 1 8 16 24 32 48 64