[lkp] [mm] 39a1aa8e19: will-it-scale.per_process_ops +5.2% improvement
From: kernel test robot
Date: Wed Mar 30 2016 - 01:47:31 EST
FYI, we noticed that will-it-scale.per_process_ops +5.2% improvement with your commit.
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
commit 39a1aa8e194ab67983de3b9d0b204ccee12e689a ("mm: deduplicate memory overcommitment code")
=========================================================================================
compiler/cpufreq_governor/kconfig/rootfs/tbox_group/test/testcase:
gcc-4.9/performance/x86_64-rhel/debian-x86_64-2015-02-07.cgz/ivb42/malloc1/will-it-scale
commit:
ea606cf5d8df370e7932460dfd960b21f20e7c6d
39a1aa8e194ab67983de3b9d0b204ccee12e689a
ea606cf5d8df370e 39a1aa8e194ab67983de3b9d0b
---------------- --------------------------
%stddev %change %stddev
\ | \
101461 ± 0% +5.2% 106703 ± 0% will-it-scale.per_process_ops
0.10 ± 0% +31.8% 0.13 ± 0% will-it-scale.scalability
6966 ± 8% -9.9% 6278 ± 10% meminfo.AnonHugePages
62767556 ± 10% -24.3% 47486848 ± 7% cpuidle.C3-IVT.time
232686 ± 5% -18.4% 189919 ± 9% cpuidle.C3-IVT.usage
6823970 ± 3% -8.9% 6214309 ± 4% cpuidle.C6-IVT.usage
66703 ± 0% +12.2% 74872 ± 2% numa-vmstat.node0.numa_other
37441585 ± 0% +26.4% 47319887 ± 0% numa-vmstat.node1.numa_hit
37417000 ± 0% +26.4% 47303041 ± 0% numa-vmstat.node1.numa_local
24584 ± 0% -31.5% 16845 ± 11% numa-vmstat.node1.numa_other
6.15 ± 31% +36.2% 8.37 ± 15% sched_debug.cpu.cpu_load[4].stddev
20260 ± 6% +13.4% 22965 ± 5% sched_debug.cpu.nr_switches.min
4450 ± 9% +16.5% 5183 ± 8% sched_debug.cpu.ttwu_local.max
920.59 ± 10% +15.0% 1058 ± 7% sched_debug.cpu.ttwu_local.stddev
2.59e+08 ± 0% +13.9% 2.95e+08 ± 0% numa-numastat.node0.local_node
2.59e+08 ± 0% +13.9% 2.95e+08 ± 0% numa-numastat.node0.numa_hit
10.25 ±119% +75378.0% 7736 ± 19% numa-numastat.node0.other_node
1.097e+08 ± 0% +28.0% 1.404e+08 ± 0% numa-numastat.node1.local_node
1.097e+08 ± 0% +28.0% 1.404e+08 ± 0% numa-numastat.node1.numa_hit
9285 ± 0% -83.1% 1568 ± 98% numa-numastat.node1.other_node
3.687e+08 ± 0% +18.1% 4.354e+08 ± 0% proc-vmstat.numa_hit
3.687e+08 ± 0% +18.1% 4.354e+08 ± 0% proc-vmstat.numa_local
52281716 ± 0% +11.1% 58060959 ± 1% proc-vmstat.pgalloc_dma32
3.943e+08 ± 0% +16.7% 4.603e+08 ± 0% proc-vmstat.pgalloc_normal
1.854e+08 ± 0% +18.0% 2.187e+08 ± 0% proc-vmstat.pgfault
4.465e+08 ± 0% +16.1% 5.183e+08 ± 0% proc-vmstat.pgfree
0.00 ± -1% +Inf% 2.36 ± 12% perf-profile.cycles-pp.__split_vma.isra.36.do_munmap.vm_munmap.sys_munmap.entry_SYSCALL_64_fastpath
2.38 ± 8% -100.0% 0.00 ± -1% perf-profile.cycles-pp.__split_vma.isra.37.do_munmap.vm_munmap.sys_munmap.entry_SYSCALL_64_fastpath
4.37 ± 31% +32.9% 5.80 ± 15% perf-profile.cycles-pp.call_cpuidle.cpu_startup_entry.rest_init.start_kernel.x86_64_start_reservations
4.52 ± 28% +29.4% 5.85 ± 14% perf-profile.cycles-pp.cpu_startup_entry.rest_init.start_kernel.x86_64_start_reservations.x86_64_start_kernel
4.37 ± 31% +32.9% 5.80 ± 15% perf-profile.cycles-pp.cpuidle_enter.call_cpuidle.cpu_startup_entry.rest_init.start_kernel
4.08 ± 34% +39.8% 5.70 ± 15% perf-profile.cycles-pp.cpuidle_enter_state.cpuidle_enter.call_cpuidle.cpu_startup_entry.rest_init
0.89 ± 6% +16.3% 1.04 ± 5% perf-profile.cycles-pp.perf_event_aux.part.46.perf_event_mmap.mmap_region.do_mmap.vm_mmap_pgoff
4.52 ± 28% +29.4% 5.85 ± 14% perf-profile.cycles-pp.rest_init.start_kernel.x86_64_start_reservations.x86_64_start_kernel
4.52 ± 28% +29.4% 5.85 ± 14% perf-profile.cycles-pp.start_kernel.x86_64_start_reservations.x86_64_start_kernel
4.52 ± 28% +29.4% 5.85 ± 14% perf-profile.cycles-pp.x86_64_start_kernel
4.52 ± 28% +29.4% 5.85 ± 14% perf-profile.cycles-pp.x86_64_start_reservations.x86_64_start_kernel
ivb42: Ivytown Ivy Bridge-EP
Memory: 64G
will-it-scale.scalability
0.14 ++-----------OOOO-O-------------------------------------------------+
0.135 ++ O OOO |
| OO O O |
0.13 OOOOOO OOOO O OO OOOOOOOO |
0.125 ++ O |
| |
0.12 ++ |
0.115 ++ |
0.11 ++ |
| * |
0.105 ++ * ***** : |
0.1 ********** ** ***************** ***************** |
| * * * ** * *****
0.095 ++ *** * ** |
0.09 ++------------------------------------------------------------------+
[*] 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: 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: 39a1aa8e194ab67983de3b9d0b204ccee12e689a
model: Ivytown Ivy Bridge-EP
nr_cpu: 48
memory: 64G
swap_partitions: LABEL=SWAP
rootfs_partition: LABEL=LKP-ROOTFS
category: benchmark
perf-profile:
freq: 800
will-it-scale:
test: malloc1
queue: bisect
testbox: ivb42
tbox_group: ivb42
kconfig: x86_64-rhel
enqueue_time: 2016-03-27 01:28:50.274043932 +08:00
compiler: gcc-4.9
rootfs: debian-x86_64-2015-02-07.cgz
id: cbb727cf0abbc1788ae7a2be13107a8cd059a3ca
user: lkp
head_commit: 85060f056f13635ada31751734ceaa417fafa477
base_commit: b562e44f507e863c6792946e4e1b1449fbbac85d
branch: linux-devel/devel-hourly-2016032608
result_root: "/result/will-it-scale/performance-malloc1/ivb42/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/39a1aa8e194ab67983de3b9d0b204ccee12e689a/0"
job_file: "/lkp/scheduled/ivb42/bisect_will-it-scale-performance-malloc1-debian-x86_64-2015-02-07.cgz-x86_64-rhel-39a1aa8e194ab67983de3b9d0b204ccee12e689a-20160327-65598-ul4ews-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/ivb42/bisect_will-it-scale-performance-malloc1-debian-x86_64-2015-02-07.cgz-x86_64-rhel-39a1aa8e194ab67983de3b9d0b204ccee12e689a-20160327-65598-ul4ews-0.yaml
- ARCH=x86_64
- kconfig=x86_64-rhel
- branch=linux-devel/devel-hourly-2016032608
- commit=39a1aa8e194ab67983de3b9d0b204ccee12e689a
- BOOT_IMAGE=/pkg/linux/x86_64-rhel/gcc-4.9/39a1aa8e194ab67983de3b9d0b204ccee12e689a/vmlinuz-4.5.0-02567-g39a1aa8
- max_uptime=1500
- RESULT_ROOT=/result/will-it-scale/performance-malloc1/ivb42/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/39a1aa8e194ab67983de3b9d0b204ccee12e689a/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-4.9/39a1aa8e194ab67983de3b9d0b204ccee12e689a/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-4.9/39a1aa8e194ab67983de3b9d0b204ccee12e689a/linux-headers.cgz"
repeat_to: 2
kernel: "/pkg/linux/x86_64-rhel/gcc-4.9/39a1aa8e194ab67983de3b9d0b204ccee12e689a/vmlinuz-4.5.0-02567-g39a1aa8"
dequeue_time: 2016-03-27 01:38:55.386064237 +08:00
job_state: finished
loadavg: 37.77 18.15 7.19 1/544 9381
start_time: '1459013979'
end_time: '1459014290'
version: "/lkp/lkp/.src-20160325-205817"
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu10/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu11/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu12/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu13/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu14/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu15/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu16/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu17/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu18/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu19/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu2/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu20/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu21/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu22/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu23/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu24/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu25/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu26/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu27/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu28/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu29/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu3/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu30/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu31/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu32/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu33/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu34/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu35/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu36/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu37/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu38/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu39/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu4/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu40/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu41/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu42/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu43/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu44/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu45/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu46/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu47/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu5/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu6/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu7/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu8/cpufreq/scaling_governor
2016-03-27 01:39:38 echo performance > /sys/devices/system/cpu/cpu9/cpufreq/scaling_governor
2016-03-27 01:39:39 ./runtest.py malloc1 25 both 1 12 24 36 48