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Message-ID: <87mvqrn87x.fsf@yhuang-dev.intel.com>
Date: Tue, 23 Feb 2016 16:26:10 +0800
From: kernel test robot <ying.huang@...ux.intel.com>
TO: Stephane Gasparini <stephane.gasparini@...ux.intel.com>
CC: Jens Axboe <axboe@...com>
Subject: [lkp] [kernel/fs] d57d611505: +54.7% turbostat.%Busy
FYI, we noticed the below changes on
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
commit d57d611505d911c6f9f81cd9bd6dbd293d66dd9f ("kernel/fs: fix I/O wait not accounted for RW O_DSYNC")
=========================================================================================
compiler/cpufreq_governor/disk/filesize/fs/iterations/kconfig/nr_directories/nr_files_per_directory/nr_threads/rootfs/sync_method/tbox_group/test_size/testcase:
gcc-4.9/performance/1HDD/9B/f2fs/1x/x86_64-rhel/16d/256fpd/32t/debian-x86_64-2015-02-07.cgz/fsyncBeforeClose/lkp-ne04/400M/fsmark
commit:
09954bad448791ef01202351d437abdd9497a804
d57d611505d911c6f9f81cd9bd6dbd293d66dd9f
09954bad448791ef d57d611505d911c6f9f81cd9bd
---------------- --------------------------
%stddev %change %stddev
\ | \
14760 ± 1% +6.3% 15695 ± 1% fsmark.time.involuntary_context_switches
46.00 ± 0% -8.2% 42.25 ± 1% fsmark.time.percent_of_cpu_this_job_got
26151 ±116% -71.3% 7498 ± 23% latency_stats.sum.call_rwsem_down_read_failed.f2fs_mkdir.[f2fs].vfs_mkdir.SyS_mkdir.entry_SYSCALL_64_fastpath
7418 ± 23% -27.7% 5361 ± 3% numa-vmstat.node0.nr_slab_unreclaimable
1.47 ± 1% -9.9% 1.33 ± 0% time.user_time
1447 ± 4% -29.0% 1028 ± 7% uptime.idle
7.75 ± 19% +206.5% 23.75 ± 1% vmstat.procs.b
29675 ± 23% -27.7% 21447 ± 3% numa-meminfo.node0.SUnreclaim
83099 ± 8% -11.5% 73568 ± 1% numa-meminfo.node0.Slab
11.91 ± 1% +54.7% 18.43 ± 1% turbostat.%Busy
358.00 ± 1% +60.0% 572.75 ± 1% turbostat.Avg_MHz
21.54 ± 0% -17.4% 17.79 ± 1% turbostat.CPU%c1
24.78 ± 3% +41.1% 34.98 ± 1% turbostat.CPU%c3
41.76 ± 1% -31.0% 28.81 ± 1% turbostat.CPU%c6
8.53 ± 5% -25.6% 6.34 ± 10% turbostat.Pkg%pc3
66312232 ± 0% -68.5% 20910669 ± 4% cpuidle.C1-NHM.time
46386272 ± 2% -20.5% 36884085 ± 5% cpuidle.C1E-NHM.time
2.79e+08 ± 2% +51.5% 4.226e+08 ± 0% cpuidle.C3-NHM.time
254315 ± 2% +25.1% 318250 ± 2% cpuidle.C3-NHM.usage
7.585e+08 ± 1% -22.2% 5.901e+08 ± 1% cpuidle.C6-NHM.time
415414 ± 1% -38.1% 257115 ± 1% cpuidle.C6-NHM.usage
1.135e+08 ± 1% +77.8% 2.017e+08 ± 2% cpuidle.POLL.time
102777 ± 1% +36.0% 139811 ± 1% cpuidle.POLL.usage
2011 ± 25% -27.1% 1467 ± 2% sched_debug.cfs_rq:/.exec_clock.2
1820 ± 3% -12.2% 1597 ± 7% sched_debug.cfs_rq:/.exec_clock.4
4297 ± 6% +78.1% 7653 ± 54% sched_debug.cfs_rq:/.min_vruntime.12
4803 ± 18% -16.1% 4028 ± 21% sched_debug.cfs_rq:/.min_vruntime.8
3763 ± 4% -17.0% 3124 ± 7% sched_debug.cfs_rq:/.min_vruntime.9
3408 ± 4% -14.9% 2900 ± 2% sched_debug.cfs_rq:/.min_vruntime.min
4.75 ± 54% -73.7% 1.25 ±173% sched_debug.cfs_rq:/.nr_spread_over.2
1.99 ± 16% +25.5% 2.50 ± 9% sched_debug.cfs_rq:/.nr_spread_over.stddev
-4362 ±-25% -92.7% -318.24 ±-1304% sched_debug.cfs_rq:/.spread0.12
200.25 ± 47% -48.8% 102.50 ± 22% sched_debug.cfs_rq:/.util_avg.7
187.75 ± 64% -77.2% 42.75 ± 56% sched_debug.cfs_rq:/.util_avg.8
1.41 ± 31% +37.0% 1.93 ± 12% sched_debug.cpu.clock.stddev
1.41 ± 31% +37.0% 1.93 ± 12% sched_debug.cpu.clock_task.stddev
1.63 ± 67% -53.9% 0.75 ± 38% sched_debug.cpu.cpu_load[4].stddev
33822 ± 16% -17.2% 28018 ± 4% sched_debug.cpu.nr_switches.13
36824 ± 3% +12.9% 41569 ± 4% sched_debug.cpu.nr_switches.14
33117 ± 7% -11.1% 29438 ± 5% sched_debug.cpu.nr_switches.15
57634 ± 3% +8.8% 62716 ± 3% sched_debug.cpu.nr_switches.4
1723 ± 7% -11.3% 1527 ± 5% sched_debug.cpu.nr_uninterruptible.10
1378 ± 6% -8.7% 1258 ± 5% sched_debug.cpu.nr_uninterruptible.15
1232 ± 10% +25.3% 1543 ± 3% sched_debug.cpu.nr_uninterruptible.8
34660 ± 13% -19.1% 28034 ± 4% sched_debug.cpu.sched_count.13
37545 ± 2% +18.9% 44629 ± 7% sched_debug.cpu.sched_count.14
34003 ± 9% -13.4% 29456 ± 5% sched_debug.cpu.sched_count.15
62715 ± 6% +9.5% 68642 ± 7% sched_debug.cpu.sched_count.2
14091 ± 19% -20.4% 11212 ± 5% sched_debug.cpu.sched_goidle.13
14175 ± 3% +15.4% 16354 ± 6% sched_debug.cpu.sched_goidle.14
13465 ± 9% -12.5% 11782 ± 6% sched_debug.cpu.sched_goidle.15
24646 ± 3% +9.4% 26968 ± 4% sched_debug.cpu.sched_goidle.4
15258 ± 6% -22.8% 11773 ± 4% sched_debug.cpu.ttwu_count.11
15765 ± 5% +48.1% 23355 ± 15% sched_debug.cpu.ttwu_count.12
16869 ± 3% -26.1% 12461 ± 4% sched_debug.cpu.ttwu_count.13
3142 ± 5% +13.0% 3551 ± 8% sched_debug.cpu.ttwu_local.13
lkp-ne04: Nehalem-EP
Memory: 12G
uptime.idle
1600 ++-------------------------------------------------------------------+
| .*. *. |
1500 *+**.** * **.*.**.* *.**.**.*.**.* *.**.*.**.**.*.**.**.*.* **.*
1400 ++ : : : : :+ |
| :: :: * |
1300 ++ * * |
| |
1200 ++ |
| |
1100 O+OO OO O O OO O OO OO O O OO O |
1000 ++ |
| |
900 ++ O O |
| |
800 ++-------------------------------------------------------------------+
cpuidle.POLL.time
2.2e+08 ++---------------O--O----O----------------------------------------+
O O O O O |
2e+08 ++O O O O O O O O |
| O OO O O |
| |
1.8e+08 ++ |
| |
1.6e+08 ++ |
| |
1.4e+08 ++ |
| |
| |
1.2e+08 ++ .* .* *. .*.**. .**. *.**. *.* *. *.**.**.**.|
*.**.** * *. : **. * ** **.* *.* *.* * *
1e+08 ++------------*-----*---------------------------------------------+
cpuidle.C1-NHM.time
8e+07 ++------------------------------------------------------------------+
| |
7e+07 ++ .* *. .* .* *. *. .* *.* |
| *. *.**.*. .**.*. * *.* * *. *.* *.* * *. * *. .* *.**.*
6e+07 *+* * ** * * * * |
| |
5e+07 ++ |
| |
4e+07 ++ |
| |
3e+07 ++ |
| O O |
2e+07 O+OO OO OO O OO O OO OO OO O O |
| |
1e+07 ++------------------------------------------------------------------+
cpuidle.C3-NHM.time
4.4e+08 ++------------O---------------------------------------------------+
| OO O O O O O O |
4.2e+08 O+ O O O O O O |
4e+08 ++ O O O O O |
| |
3.8e+08 ++ |
3.6e+08 ++ |
| |
3.4e+08 ++ |
3.2e+08 ++ |
| * |
3e+08 ++ +: ** *.* .* |
2.8e+08 *+ *. *. *. * :.* + + .* .**. .* :.* .*.* * *.**.* .* .*
| * * * * * * * * ** * * *.* * *.** |
2.6e+08 ++----------------------------------------------------------------+
cpuidle.C6-NHM.time
8e+08 ++----------*-----------------------------------------------------+
| * .* .* + .* |
|.* + * * ** *. *.*. *. *.**.**.**. *. .**.**.**. *.**. *.* |
7.5e+08 *+ * * * * * * * * *.*
| |
| |
7e+08 ++ |
| |
6.5e+08 ++ |
| |
O |
6e+08 ++ O OO O O O O O O |
| O OO O O O O O O |
| O O |
5.5e+08 ++----------------------------------------------------------------+
cpuidle.C6-NHM.usage
440000 ++-----------------------------------------------------------------+
420000 ++ *. *. *. .*. * .* .* .*.* .* |
|.* .**.**. : *.* * **.** * + *.**.*.** * :.** : .** *.*
400000 *+ * * * * *.** |
380000 ++ |
| |
360000 ++ |
340000 ++ |
320000 ++ |
| |
300000 ++ |
280000 ++ |
| O O O O O |
260000 O+ O OO OO O O OO O O OO O O |
240000 ++-----------------------------------------------------------------+
turbostat.Avg_MHz
650 ++--------------------------------------------------------------------+
| |
600 O+ OO O O O O |
| O O OO O O OO OO O |
550 ++ O O O |
| |
500 ++ |
| |
450 ++ |
| |
400 ++ |
| *.*.* .**. .**.*. .**. .* .**. *.|
350 *+**.*.**.**.*. *.*.* .* *.* **.* ** *.**.* * *.* *
| * * |
300 ++--------------------------------------------------------------------+
turbostat._Busy
20 ++---------------------------------------------------------------------+
19 O+ O O O O |
| O O OO O O O O O OO |
18 ++OO O O O |
17 ++ |
| |
16 ++ |
15 ++ |
14 ++ |
| |
13 ++ |
12 ++ .* .**.*.* .*.**. *.*.**. .**.* .*.**.*.**.*.**.|
*.**.*.**.* *. .**.* .* * *.* * * *
11 ++ * * |
10 ++---------------------------------------------------------------------+
turbostat.CPU_c1
23 ++---------------------------------------------------------------------+
| * * *. |
22 ++ * +: : *. .* *. : *. * * *. |
| *. *. .* : * : : * :+ * .*.: * + + *. *.*.* .*.* *.**.*
21 *+* *.* * : : *.* * * * * * * |
| *.* |
20 ++ |
| |
19 ++ |
| |
18 ++ O OO O O O O O |
| OO O O O O O O O |
17 O+ O O O |
| |
16 ++---------------------------------------------------------------------+
turbostat.CPU_c3
38 ++---------------------------------------------------------------------+
| O |
36 ++OO O O O O |
34 ++ O O O O O OO O |
O O O |
32 ++ O O O |
| |
30 ++ |
| |
28 ++ * |
26 ++ : : *.* *.* * .*
*. *. .* .*. : : *. : : *. .**. + : *. *.*. :+ .* .*. *. * |
24 ++* * * ** * * : : * *.** :+ * **.* * * * *.* |
| * * |
22 ++---------------------------------------------------------------------+
turbostat.CPU_c6
44 ++---*-------*---------------------------------------------------------+
|.* + + *.*.* + .**. *. *. .** * .*. *.* *. .*.* |
42 *+ * * * **.*.* + * * + .**. + * * :.*.* *.** *.|
40 ++ * * * * *
| |
38 ++ |
36 ++ |
| |
34 ++ |
32 ++ |
O O O |
30 ++ O O O OO O O O |
28 ++OO O O O O O O |
| O O |
26 ++---------------------------------------------------------------------+
vmstat.procs.b
30 ++---------------------------------------------------------------------+
| |
| O |
25 O+O O O O OO O O O O O |
| O O O O O O O O |
| |
20 ++ |
| |
15 ++ |
| |
| |
10 ++* *.* .* .* *.*. *. .* .**.*. * |
|+ :.*. .* .* *.* * + *. .* * * :.*. * **. .**. + :.*
* * **.* :.* * * * * * * * |
5 ++-----------*---------------------------------------------------------+
[*] 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" (3900 bytes)
Download attachment "reproduce.sh" of type "application/x-sh" (2127 bytes)
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