Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1428562

Re: [Bug 120481] Performance drop 30-40% for SPECjbb2005 and SPECjvm2008 benchmarks

From Jiri Hladky <hladky.jiri@gmail.com>
Newsgroups linux.kernel
Subject Re: [Bug 120481] Performance drop 30-40% for SPECjbb2005 and SPECjvm2008 benchmarks
Date 2016-06-22 10:40 +0200
Message-ID <rMLRw-137-31@gated-at.bofh.it> (permalink)
References <rMLRw-137-33@gated-at.bofh.it> <rMLRw-137-35@gated-at.bofh.it> <rMLRw-137-37@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


Hi Peter,

I use this Java package.

java-1.7.0-openjdk

I think you don't thing you need to install Windows Manager. In fact,
I'm using just plain text log file (${VER}/${DATE}.log) produced with
this command

./run-specjvm.sh --benchmarkThreads 32 --iterations 1 --iterationTime
180 --warmuptime 90 xml.transform xml.validation 2>&1 | tee >
${VER}/${DATE}.log

Please let me finish bisecting. There are last two commits to be checked:

$ git log --pretty=oneline
e7904a28f5331c21d17af638cb477c83662e3cb6..6ecdd74962f246dfe8750b7bea481a1c0816315d
6ecdd74962f246dfe8750b7bea481a1c0816315d sched/fair: Generalize the
load/util averages resolution definition
2159197d66770ec01f75c93fb11dc66df81fd45b sched/core: Enable increased
load resolution on 64-bit kernels

I should be able to identify the commit which has caused this
regression in few hours.

Jirka

On Wed, Jun 22, 2016 at 10:17 AM, Peter Zijlstra <peterz@infradead.org> wrote:
> On Wed, Jun 22, 2016 at 08:09:13AM +0000, bugzilla-daemon@bugzilla.kernel.org wrote:
>> https://bugzilla.kernel.org/show_bug.cgi?id=120481
>>
>> --- Comment #9 from Jirka Hladky <hladky.jiri@gmail.com> ---
>> Created attachment 220921
>>   --> https://bugzilla.kernel.org/attachment.cgi?id=220921&action=edit
>> Script to quickly reproduce the results
>>
>> 1) Obtain SPECjvm2008 here:
>> https://www.spec.org/download.html
>>
>> 2) Install Java 1.7
>
> I don't have this, its not in Debian repositories. All I have is various
> versions of openjdk or gcj.
>
>> 3) Install Window Manager  - Benchmark is creating graphs and it needs WM for
>> this step
>
> This machine doesn't even have a monitor or keyboard attached, wtf would
> I install desktop stuff on it, that's fail.
>
>> I will upload list of rpm files I have installed on test machine in the next
>> attachment.
>
> Useless, I'm on Debian.
>
>> 4) Copy the script from this attachment to directory where you have installed
>> the benchmark. There should be script run-specjvm.sh
>
> Please just use email; bugzilla is crap.

Back to linux.kernel | Previous | Next | Find similar | Unroll thread


Thread

Re: [Bug 120481] Performance drop 30-40% for SPECjbb2005 and  SPECjvm2008 benchmarks Jiri Hladky <hladky.jiri@gmail.com> - 2016-06-22 10:40 +0200

csiph-web