[lkp] [mm, vmscan] d81d90cdf6: +110.6% turbostat.%Busy

From: kernel test robot
Date: Wed Jan 27 2016 - 20:26:08 EST


FYI, we noticed the below changes on

https://git.kernel.org/pub/scm/linux/kernel/git/mel/linux-balancenuma mm-vmscan-node-lru-v2r25
commit d81d90cdf683f40d14b064cdcecb840a386e00c3 ("mm, vmscan: Only wakeup kswapd once per node for the requested classzone")


=========================================================================================
compiler/cpufreq_governor/disk/filesize/fs/iterations/kconfig/nr_threads/rootfs/sync_method/tbox_group/test_size/testcase:
gcc-4.9/performance/1BRD_48G/4M/xfs/1x/x86_64-rhel/64t/debian-x86_64-2015-02-07.cgz/NoSync/ivb44/40G/fsmark

commit:
da9d35c7cc19983b355c3d79f9c2d3314718934f
d81d90cdf683f40d14b064cdcecb840a386e00c3

da9d35c7cc19983b d81d90cdf683f40d14b064cdce
---------------- --------------------------
%stddev %change %stddev
\ | \
10242 ± 25% +449.1% 56234 ± 42% fsmark.time.file_system_inputs
206.88 ± 3% +25.0% 258.50 ± 2% fsmark.time.percent_of_cpu_this_job_got
41.96 ± 1% +24.9% 52.40 ± 1% fsmark.time.system_time
40698 ± 11% +23.2% 50158 ± 10% softirqs.RCU
3.88 ± 86% +3061.3% 122.50 ± 55% sched_debug.cfs_rq:/.util_avg.24
234.62 ± 60% -64.8% 82.50 ± 58% sched_debug.cpu.ttwu_local.16
2831861 ± 29% -46.9% 1504545 ± 10% numa-vmstat.node0.nr_file_pages
2817819 ± 29% -47.1% 1490984 ± 11% numa-vmstat.node0.nr_inactive_file
90864 ± 13% -32.4% 61413 ± 9% numa-vmstat.node0.nr_slab_reclaimable
10242 ± 25% +449.1% 56234 ± 42% time.file_system_inputs
206.88 ± 3% +25.0% 258.50 ± 2% time.percent_of_cpu_this_job_got
41.96 ± 1% +24.9% 52.40 ± 1% time.system_time
11329789 ± 29% -46.9% 6018095 ± 11% numa-meminfo.node0.FilePages
11277226 ± 29% -47.1% 5968386 ± 11% numa-meminfo.node0.Inactive
11273648 ± 29% -47.1% 5963859 ± 11% numa-meminfo.node0.Inactive(file)
363543 ± 13% -32.4% 245672 ± 9% numa-meminfo.node0.SReclaimable
413977 ± 11% -28.7% 295254 ± 7% numa-meminfo.node0.Slab
5418592 ± 2% -20.6% 4301600 ± 14% slabinfo.buffer_head.active_objs
138939 ± 2% -20.6% 110304 ± 14% slabinfo.buffer_head.active_slabs
5418650 ± 2% -20.6% 4301893 ± 14% slabinfo.buffer_head.num_objs
138939 ± 2% -20.6% 110304 ± 14% slabinfo.buffer_head.num_slabs
6333 ± 1% -13.4% 5485 ± 8% slabinfo.xfs_inode.active_objs
6436 ± 1% -13.7% 5556 ± 7% slabinfo.xfs_inode.num_objs
427.12 ± 40% +525.3% 2670 ± 65% vmstat.io.bi
1578153 ± 2% +2.5% 1617055 ± 1% vmstat.io.bo
23143986 ± 2% -20.4% 18431559 ± 14% vmstat.memory.cache
24826852 ± 2% +19.1% 29569065 ± 9% vmstat.memory.free
8802 ± 7% +1954.0% 180812 ± 9% vmstat.system.cs
4468 ± 3% +61.0% 7192 ± 7% vmstat.system.in
3760 ± 26% +9446.2% 358948 ± 10% cpuidle.C1-IVT.usage
15921601 ± 18% +47.6% 23505095 ± 5% cpuidle.C1E-IVT.time
9827 ± 17% +73.3% 17034 ± 5% cpuidle.C1E-IVT.usage
11201827 ± 9% +22.8% 13753015 ± 5% cpuidle.C3-IVT.time
4247 ± 15% +36.6% 5801 ± 5% cpuidle.C3-IVT.usage
9.214e+08 ± 2% -11.0% 8.201e+08 ± 3% cpuidle.C6-IVT.time
417275 ± 78% +13463.9% 56598978 ± 22% cpuidle.POLL.time
3552 ± 67% +20425.7% 729251 ± 11% cpuidle.POLL.usage
6.94 ± 1% +110.6% 14.61 ± 10% turbostat.%Busy
219.25 ± 1% +104.8% 449.00 ± 10% turbostat.Avg_MHz
11.93 ± 8% +85.4% 22.11 ± 4% turbostat.CPU%c1
1.91 ± 9% +23.7% 2.36 ± 6% turbostat.CPU%c3
79.23 ± 1% -23.1% 60.93 ± 4% turbostat.CPU%c6
69.46 ± 1% +24.8% 86.66 ± 1% turbostat.CorWatt
16.74 ± 19% -73.6% 4.42 ± 31% turbostat.Pkg%pc2
101.45 ± 1% +16.9% 118.57 ± 1% turbostat.PkgWatt
702680 ± 2% -18.0% 576354 ± 12% meminfo.Active
698293 ± 2% -18.1% 572094 ± 12% meminfo.Active(file)
22145325 ± 2% -20.2% 17670757 ± 13% meminfo.Cached
26033970 ± 2% +17.5% 30581446 ± 8% meminfo.Inactive
26033970 ± 2% +17.5% 30581446 ± 8% meminfo.Inactive(anon)
27171589 ± 2% +15.8% 31466704 ± 7% meminfo.MemAvailable
26033979 ± 2% +17.5% 30581451 ± 8% meminfo.MemFree
698293 ± 2% -18.1% 572094 ± 12% meminfo.SReclaimable
796237 ± 1% -16.0% 668770 ± 10% meminfo.Slab
3745917 ± 4% +46.8% 5499519 ± 31% proc-vmstat.kswapd_inodesteal
3389 ±129% +57644.8% 1957115 ± 9% proc-vmstat.kswapd_low_wmark_hit_quickly
5535200 ± 2% -20.2% 4417021 ± 13% proc-vmstat.nr_file_pages
6511739 ± 2% +17.5% 7648296 ± 8% proc-vmstat.nr_free_pages
5507008 ± 2% -20.3% 4389409 ± 13% proc-vmstat.nr_inactive_file
174533 ± 2% -18.1% 142996 ± 12% proc-vmstat.nr_slab_reclaimable
132190 ± 36% +1467.4% 2071908 ± 8% proc-vmstat.pageoutrun
3894864 ± 4% +45.6% 5669363 ± 31% proc-vmstat.pgfree
9573 ± 41% +528.1% 60129 ± 64% proc-vmstat.pgpgin


ivb44: Ivytown Ivy Bridge-EP
Memory: 64G

vm-lkp-wsx03-yocto-x86_64: qemu-system-x86_64 -enable-kvm -cpu SandyBridge
Memory: 320M



vmstat.system.in

11000 ++------------------------------------------------------------------+
O |
10000 ++ O O |
| O O |
9000 ++ |
| O O OO O O |
8000 ++ O O O O |
| O O O O O OO O |
7000 ++ O O O O O O O O O O O |
| O O O |
6000 ++ |
| |
5000 ++ .*. |
|.* .*.*.**.*.* .*.**.*.*.**. .* .*.* .*. .**.*.**.*.** *.**.*.**.*
4000 *+-*-----------*-------------*--*----*---*--------------------------+


vmstat.system.cs

300000 ++-----------------------------------------------------------------+
| |
250000 ++ O O |
O O O |
| O O O O O O O |
200000 ++ O O O O O O O OO OO O |
| O O O O O OO O O OO O |
150000 ++ O |
| |
100000 ++ |
| |
| |
50000 ++ |
|.* .*. .*. .* |
0 *+-*-*-**-*-**-*-**-*-**---**---*-**-*--*-*-**-*-**-*-**-*-**-*-**-*


proc-vmstat.kswapd_low_wmark_hit_quickly

3e+06 ++----------------------------------------------------------------+
| O O |
2.5e+06 ++ O O |
O O O O O |
| O O O O O O O O O |
2e+06 ++ O O O OO OO O O O O O OO O O O |
| O O |
1.5e+06 ++ |
| |
1e+06 ++ |
| |
| |
500000 ++ |
| |
0 *+**-*-**-*-**-*-**-**-*-**-*-**-*-**-*-**-*-**-*-**-**-*-**-*-**-*


proc-vmstat.pageoutrun

3e+06 ++----------------------------------------------------------------+
| O O O O |
2.5e+06 O+ O O |
| O O O |
| O O O O O OO O O O O O OO OO O O |
2e+06 ++ O OO O O O OO |
| O |
1.5e+06 ++ |
| |
1e+06 ++ |
| |
| |
500000 ++ |
| .* .*.**.**.*.* .*. .*
0 *+**-*-**-*-**-*-**-**-*-**-*-**-*-**-*-**-*--*------------*---**-+


cpuidle.POLL.time

9e+07 ++------------------------------------------------------------------+
| O |
8e+07 ++ O O O |
7e+07 ++ O O O O |
O OO O O |
6e+07 ++ O O O O O O O |
5e+07 ++ O O O O O O OO |
| O O O O O O O |
4e+07 ++ O O |
3e+07 ++ |
| |
2e+07 ++ |
1e+07 ++ |
| |
0 *+**-*-*-**-*-**-*-**-*-*-**-*-**-*-**-*-*-**-*-**-*-**-*-*-**-*-**-*


cpuidle.POLL.usage

1.2e+06 ++----------------------------------------------------------------+
| O |
1e+06 ++ O O O |
O O O |
| O O |
800000 ++ O O O O O O O O O O O |
| O O OO O O O O O OO O O |
600000 ++ O O O O |
| |
400000 ++ |
| |
| |
200000 ++ |
| |
0 *+**-*-**-*-**-*-**-**-*-**-*-**-*-**-*-**-*-**-*-**-**-*-**-*-**-*


turbostat.Avg_MHz

550 ++----------------------------O-------------O-------------------------+
| O O O |
500 ++ O O OO O OO |
| O O O |
450 O+ O O O O O O |
| O O O O O O O O O O |
400 ++O O O O O |
| |
350 ++ |
| |
300 ++ |
| |
250 ++ |
*.*.**.*.*.**.*.*.**.*.*.**.*.*.**.*.*.**.*.*.**.*.*.**.*.*.**.*.*.**.*
200 ++--------------------------------------------------------------------+


turbostat._Busy

18 ++----------------------------O-------------O--------------------------+
| O O O |
16 ++ O O O O O O O |
| O O O |
O O O O O O O O O |
14 ++ O O O O O O O O |
| O O O O O |
12 ++ |
| |
10 ++ |
| |
| |
8 ++ |
*.*.**.*.*.**.*.*.*.**.*.*.**.*.*.*.**.*.*.**.*.*.**.*.*.*.**.*.*.**.*.*
6 ++---------------------------------------------------------------------+


turbostat.CPU_c1

26 ++---------------------------------------------------------------------+
| |
24 ++ O O O O O O O O O |
22 O+ O O O O O O O |
| O O O O OO O O O O O O OO O O |
20 ++ O O O O |
| |
18 ++ |
| |
16 ++ |
14 ++ |
| .* |
12 *+*. *.*.*.* *.*. .*.*. .**.*.*. *.*.*. *.*.*.* *.*.*. |
| * *. .*.*.* *.** * * * **.*.*
10 ++------------*--------------------------------------------------------+


turbostat.CPU_c6

85 ++---------------------------------------------------------------------+
| |
80 ++ .**.*.*. .* *. .* .* .*.*
*.*.**.*.* * *.*.*.* *.*.*.**.*.*.**.*.* *.*.*.*. *.*.* * |
| * |
75 ++ |
| |
70 ++ |
| |
65 ++ O O |
| O O O O O O O O O |
| O O O O O O O O O |
60 O+ O O O O O O O O O |
| O O O O O O O |
55 ++---------------------------------------------------------------------+


turbostat.PkgWatt

130 ++--------------------------------------------------------------------+
| O O |
125 ++ O O |
O O O O O O |
120 ++O O O O O O O O O O O |
| O O O O O O O O O O O O O |
115 ++ O |
| O O |
110 ++ |
| |
105 ++ * |
|.*.**. +: * .*. .**.*. *.*.*. .* .*.**. .* .*
100 *+ *.* :.* + : ** * *.* **.* + *.* *.* * |
| * + .** : + * |
95 ++--------------*------*----------------------------------------------+


turbostat.CorWatt

95 ++----------------------------O-------------O--------------------------+
| |
90 ++ OO O O O O O O |
O O O O O O O O O O O O O O O O |
85 ++ O O O O O O O O O |
| O O |
80 ++ |
| |
75 ++ |
| *. .* *. *. |
70 ++ **.*.* : * *. *. + *.**. + **.*. .**. .*. .**.*. *.*.*
* *.*. .*.* + + * * * * * * *.* |
65 ++ * * |
| |
60 ++---------------------------------------------------------------------+


fsmark.time.system_time

56 ++---------------------------------------------------------------------+
| O O O O O O O OO |
54 ++ O O O O O O |
52 ++ O O O OO O O O O O OO O |
| O O O O |
50 ++ O O |
48 O+O O |
| |
46 ++ |
44 ++ |
*. .* *. .*.*. .**.*. .*. .*. .* *. *. .* |
42 ++* *.*.*.* * **.*.* * ** * *.*.* : *.*.*.* * + *. .*
40 ++ +: * * |
| * |
38 ++---------------------------------------------------------------------+

[*] 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: fsmark
default-monitors:
wait: activate-monitor
kmsg:
uptime:
iostat:
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: d81d90cdf683f40d14b064cdcecb840a386e00c3
model: Ivytown Ivy Bridge-EP
nr_cpu: 48
memory: 64G
nr_hdd_partitions: 3
hdd_partitions: "/dev/disk/by-id/ata-WDC_WD1003FBYZ-010FB0_WD-WCAW36*-part1"
swap_partitions: "/dev/disk/by-id/ata-WDC_WD1003FBYZ-010FB0_WD-WCAW36795753-part2"
rootfs_partition: "/dev/disk/by-id/ata-WDC_WD1003FBYZ-010FB0_WD-WCAW36795753-part3"
netconsole_port: 6644
category: benchmark
iterations: 1x
nr_threads: 64t
disk: 1BRD_48G
need_memory: 50G
fs: xfs
fs2:
fsmark:
filesize: 4M
test_size: 40G
sync_method: NoSync
queue: bisect
testbox: ivb44
tbox_group: ivb44
kconfig: x86_64-rhel
enqueue_time: 2016-01-27 09:16:19.899267840 +08:00
id: d02f885214dd1effaa974a5189bf63bc8cd3db33
user: lkp
compiler: gcc-4.9
head_commit: bd6c281aedcf2c4f11593a102257aa603fc890e3
base_commit: 92e963f50fc74041b5e9e744c330dca48e04f08d
branch: linux-devel/devel-hourly-2016012621
rootfs: debian-x86_64-2015-02-07.cgz
result_root: "/result/fsmark/performance-1x-64t-1BRD_48G-xfs-4M-40G-NoSync/ivb44/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/d81d90cdf683f40d14b064cdcecb840a386e00c3/0"
job_file: "/lkp/scheduled/ivb44/bisect_fsmark-performance-1x-64t-1BRD_48G-xfs-4M-40G-NoSync-debian-x86_64-2015-02-07.cgz-x86_64-rhel-d81d90cdf683f40d14b064cdcecb840a386e00c3-20160127-27722-1ft6oka-0.yaml"
max_uptime: 740.5799999999999
initrd: "/osimage/debian/debian-x86_64-2015-02-07.cgz"
bootloader_append:
- root=/dev/ram0
- user=lkp
- job=/lkp/scheduled/ivb44/bisect_fsmark-performance-1x-64t-1BRD_48G-xfs-4M-40G-NoSync-debian-x86_64-2015-02-07.cgz-x86_64-rhel-d81d90cdf683f40d14b064cdcecb840a386e00c3-20160127-27722-1ft6oka-0.yaml
- ARCH=x86_64
- kconfig=x86_64-rhel
- branch=linux-devel/devel-hourly-2016012621
- commit=d81d90cdf683f40d14b064cdcecb840a386e00c3
- BOOT_IMAGE=/pkg/linux/x86_64-rhel/gcc-4.9/d81d90cdf683f40d14b064cdcecb840a386e00c3/vmlinuz-4.5.0-rc1-00021-gd81d90c
- max_uptime=740
- RESULT_ROOT=/result/fsmark/performance-1x-64t-1BRD_48G-xfs-4M-40G-NoSync/ivb44/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/d81d90cdf683f40d14b064cdcecb840a386e00c3/0
- 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/d81d90cdf683f40d14b064cdcecb840a386e00c3/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/fs.cgz,/osimage/deps/debian-x86_64-2015-02-07.cgz/fs2.cgz,/lkp/benchmarks/fsmark.cgz"
linux_headers_initrd: "/pkg/linux/x86_64-rhel/gcc-4.9/d81d90cdf683f40d14b064cdcecb840a386e00c3/linux-headers.cgz"
repeat_to: 2
kernel: "/pkg/linux/x86_64-rhel/gcc-4.9/d81d90cdf683f40d14b064cdcecb840a386e00c3/vmlinuz-4.5.0-rc1-00021-gd81d90c"
dequeue_time: 2016-01-27 09:23:30.723252885 +08:00
job_state: finished
loadavg: 14.11 3.34 1.11 2/545 2185
start_time: '1453857857'
end_time: '1453857877'
version: "/lkp/lkp/.src-20160127-083800"

Attachment: reproduce.sh
Description: Bourne shell script