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Message-ID: <87mvrq1om3.fsf@yhuang-dev.intel.com>
Date: Thu, 28 Jan 2016 09:25:56 +0800
From: kernel test robot <ying.huang@...ux.intel.com>
TO: Mel Gorman <mgorman@...hsingularity.net>
CC: LKML <linux-kernel@...r.kernel.org>
Subject: [lkp] [mm, vmscan] d81d90cdf6: +110.6% turbostat.%Busy
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
View attachment "job.yaml" of type "text/plain" (3838 bytes)
Download attachment "reproduce.sh" of type "application/x-sh" (5626 bytes)
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