Greeting,
There is no primary kpi change in this test, below is the data collected through multiple
monitors running background just for your information.
commit: 47c2d84f2dc7d29d10713beef3ec1239ec60f883 ("mm: remove the page size change
check in tlb_remove_page")
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
in testcase: pbzip2
on test machine: 48 threads 2 sockets Intel(R) Xeon(R) CPU E5-2697 v2 @ 2.70GHz with 64G
memory
with following parameters:
nr_threads: 25%
blocksize: 900K
cpufreq_governor: performance
Details are as below:
-------------------------------------------------------------------------------------------------->
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
testcase/path_params/tbox_group/run: pbzip2/25%-900K-performance/ivb42
7a8e9a729179b749 47c2d84f2dc7d29d10713beef3
---------------- --------------------------
%stddev change %stddev
\ | \
2249503 -64% 812158 interrupts.CAL:Function_call_interrupts
1778 ± 4% 8% 1925 vmstat.system.cs
57359 -8% 52680 vmstat.system.in
530318 ± 4% 9% 575717 perf-stat.context-switches
4.804e+09 4.746e+09 perf-stat.node-stores
60.89 60.12 perf-stat.iTLB-load-miss-rate%
86802648 85115436 perf-stat.iTLB-loads
1.351e+08 -5% 1.283e+08 perf-stat.iTLB-load-misses
0.04 -7% 0.04 perf-stat.dTLB-store-miss-rate%
7.374e+08 -21% 5.844e+08 ± 3% perf-stat.dTLB-load-misses
interrupts.CAL:Function_call_interrupts
2.4e+06 ++----------------------------------------------------------------+
** **.** *.* * *** *.** *****. **** .** **** * ** **.****|
2.2e+06 ++* ***** * * * * * *** * **.* * * *
2e+06 ++ |
| |
1.8e+06 ++ |
1.6e+06 ++ |
| |
1.4e+06 ++ |
1.2e+06 ++ |
| |
1e+06 ++ |
800000 ++ OO OOOOOO OO OO |
OOO OO O |
600000 ++----------------------------------------------------------------+
vmstat.system.in
58000 ++------------------------------------------------------------------+
* *. ** .* ** * ** * ** * * ** * * * *.** *
57000 +** ** ** ** **.*** :*.* ** *.* ** *.* ** *.* ** :+ ** * *|
| * * * |
56000 ++ |
| |
55000 ++ |
| |
54000 ++ |
| |
53000 ++ O O O O O |
| O OO O O O O O |
52000 OOO OO |
| |
51000 ++------------------------------------------------------------------+
[*] 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,
Xiaolong