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Open Source and information security mailing list archives
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Date: Tue, 29 Jul 2014 13:24:05 +0800
From: Aaron Lu <aaron.lu@...el.com>
To: Rik van Riel <riel@...hat.com>
CC: LKML <linux-kernel@...r.kernel.org>, lkp@...org
Subject: [LKP] [sched/numa] a43455a1d57: +94.1% proc-vmstat.numa_hint_faults_local
FYI, we noticed the below changes on
git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
commit a43455a1d572daf7b730fe12eb747d1e17411365 ("sched/numa: Ensure task_numa_migrate() checks the preferred node")
ebe06187bf2aec1 a43455a1d572daf7b730fe12e
--------------- -------------------------
94500 ~ 3% +115.6% 203711 ~ 6% ivb42/hackbench/50%-threads-pipe
67745 ~ 4% +64.1% 111174 ~ 5% lkp-snb01/hackbench/50%-threads-socket
162245 ~ 3% +94.1% 314885 ~ 6% TOTAL proc-vmstat.numa_hint_faults_local
ebe06187bf2aec1 a43455a1d572daf7b730fe12e
--------------- -------------------------
147474 ~ 3% +70.6% 251650 ~ 5% ivb42/hackbench/50%-threads-pipe
94889 ~ 3% +46.3% 138815 ~ 5% lkp-snb01/hackbench/50%-threads-socket
242364 ~ 3% +61.1% 390465 ~ 5% TOTAL proc-vmstat.numa_pte_updates
ebe06187bf2aec1 a43455a1d572daf7b730fe12e
--------------- -------------------------
147104 ~ 3% +69.5% 249306 ~ 5% ivb42/hackbench/50%-threads-pipe
94431 ~ 3% +43.9% 135902 ~ 5% lkp-snb01/hackbench/50%-threads-socket
241535 ~ 3% +59.5% 385209 ~ 5% TOTAL proc-vmstat.numa_hint_faults
ebe06187bf2aec1 a43455a1d572daf7b730fe12e
--------------- -------------------------
308 ~ 8% +24.1% 382 ~ 5% lkp-snb01/hackbench/50%-threads-socket
308 ~ 8% +24.1% 382 ~ 5% TOTAL numa-vmstat.node0.nr_page_table_pages
ebe06187bf2aec1 a43455a1d572daf7b730fe12e
--------------- -------------------------
1234 ~ 8% +24.0% 1530 ~ 5% lkp-snb01/hackbench/50%-threads-socket
1234 ~ 8% +24.0% 1530 ~ 5% TOTAL numa-meminfo.node0.PageTables
ebe06187bf2aec1 a43455a1d572daf7b730fe12e
--------------- -------------------------
381 ~ 6% -17.9% 313 ~ 6% lkp-snb01/hackbench/50%-threads-socket
381 ~ 6% -17.9% 313 ~ 6% TOTAL numa-vmstat.node1.nr_page_table_pages
ebe06187bf2aec1 a43455a1d572daf7b730fe12e
--------------- -------------------------
1528 ~ 6% -18.0% 1253 ~ 6% lkp-snb01/hackbench/50%-threads-socket
1528 ~ 6% -18.0% 1253 ~ 6% TOTAL numa-meminfo.node1.PageTables
ebe06187bf2aec1 a43455a1d572daf7b730fe12e
--------------- -------------------------
24533 ~ 2% -16.2% 20560 ~ 3% ivb42/hackbench/50%-threads-pipe
13551 ~ 2% -10.7% 12096 ~ 2% lkp-snb01/hackbench/50%-threads-socket
38084 ~ 2% -14.2% 32657 ~ 3% TOTAL proc-vmstat.numa_pages_migrated
ebe06187bf2aec1 a43455a1d572daf7b730fe12e
--------------- -------------------------
24533 ~ 2% -16.2% 20560 ~ 3% ivb42/hackbench/50%-threads-pipe
13551 ~ 2% -10.7% 12096 ~ 2% lkp-snb01/hackbench/50%-threads-socket
38084 ~ 2% -14.2% 32657 ~ 3% TOTAL proc-vmstat.pgmigrate_success
ebe06187bf2aec1 a43455a1d572daf7b730fe12e
--------------- -------------------------
3538 ~ 7% +11.6% 3949 ~ 7% lkp-snb01/hackbench/50%-threads-socket
3538 ~ 7% +11.6% 3949 ~ 7% TOTAL numa-vmstat.node0.nr_anon_pages
ebe06187bf2aec1 a43455a1d572daf7b730fe12e
--------------- -------------------------
14154 ~ 7% +11.6% 15799 ~ 7% lkp-snb01/hackbench/50%-threads-socket
14154 ~ 7% +11.6% 15799 ~ 7% TOTAL numa-meminfo.node0.AnonPages
ebe06187bf2aec1 a43455a1d572daf7b730fe12e
--------------- -------------------------
3511 ~ 7% +11.0% 3898 ~ 7% lkp-snb01/hackbench/50%-threads-socket
3511 ~ 7% +11.0% 3898 ~ 7% TOTAL numa-vmstat.node0.nr_active_anon
ebe06187bf2aec1 a43455a1d572daf7b730fe12e
--------------- -------------------------
14044 ~ 7% +11.1% 15597 ~ 7% lkp-snb01/hackbench/50%-threads-socket
14044 ~ 7% +11.1% 15597 ~ 7% TOTAL numa-meminfo.node0.Active(anon)
ebe06187bf2aec1 a43455a1d572daf7b730fe12e
--------------- -------------------------
187958 ~ 2% +56.6% 294375 ~ 5% ivb42/hackbench/50%-threads-pipe
124490 ~ 2% +35.0% 168004 ~ 4% lkp-snb01/hackbench/50%-threads-socket
312448 ~ 2% +48.0% 462379 ~ 5% TOTAL time.minor_page_faults
ebe06187bf2aec1 a43455a1d572daf7b730fe12e
--------------- -------------------------
11.47 ~ 1% -2.8% 11.15 ~ 1% ivb42/hackbench/50%-threads-pipe
11.47 ~ 1% -2.8% 11.15 ~ 1% TOTAL turbostat.RAM_W
ebe06187bf2aec1 a43455a1d572daf7b730fe12e
--------------- -------------------------
3.649e+08 ~ 0% -2.4% 3.562e+08 ~ 0% lkp-snb01/hackbench/50%-threads-socket
3.649e+08 ~ 0% -2.4% 3.562e+08 ~ 0% TOTAL time.involuntary_context_switches
ebe06187bf2aec1 a43455a1d572daf7b730fe12e
--------------- -------------------------
1924472 ~ 0% -2.6% 1874425 ~ 0% ivb42/hackbench/50%-threads-pipe
1924472 ~ 0% -2.6% 1874425 ~ 0% TOTAL vmstat.system.in
ebe06187bf2aec1 a43455a1d572daf7b730fe12e
--------------- -------------------------
1.38e+09 ~ 0% -1.8% 1.355e+09 ~ 0% lkp-snb01/hackbench/50%-threads-socket
1.38e+09 ~ 0% -1.8% 1.355e+09 ~ 0% TOTAL time.voluntary_context_switches
Legend:
~XX% - stddev percent
[+-]XX% - change percent
[*] bisect-good sample
[O] bisect-bad sample
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,
Aaron
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