linux-kernel - Re: [lkp] [x86/copy_user] adb402cd14: will-it-scale.per_process

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Date:   Mon, 7 Nov 2016 10:56:31 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     kernel test robot <xiaolong.ye@...el.com>
Cc:     Ingo Molnar <mingo@...nel.org>, Andy Lutomirski <luto@...nel.org>,
        Brian Gerst <brgerst@...il.com>,
        Denys Vlasenko <dvlasenk@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        LKML <linux-kernel@...r.kernel.org>, tipbuild@...or.com,
        lkp@...org
Subject: Re: [lkp] [x86/copy_user]  adb402cd14: will-it-scale.per_process_ops
 -12.7% regression

On Mon, Nov 07, 2016 at 10:50:38AM +0800, kernel test robot wrote:
> 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 install job.yaml
Use: /root/lkp/lkp-tests/distro/installer/debian install bc gawk time kmod gzip make automake gcc build-essential libtool patch git openssl ca-certificates rsync cpio wget libklibc-dev linux-libc-dev linux-libc-dev:i386 libc6-dev libc6-dev:i386
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package linux-libc-dev
E: Unable to locate package libc6-dev
Cannot install some packages in /root/lkp/lkp-tests/distro/depends/lkp

This wants i386 flavors and can't find them for some reason...

>         bin/lkp run     job.yaml

With your scripts I get:

$  ./bin/lkp run job.yaml
/usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in `require': cannot load such file -- git (LoadError)
        from /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in `require'
        from /root/lkp/lkp-tests/lib/git_ext.rb:7:in `<top (required)>'
        from /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in `require'
        from /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in `require'
        from /root/lkp/lkp-tests/lib/lkp_git.rb:14:in `<top (required)>'
        from /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in `require'
        from /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in `require'
        from /root/lkp/lkp-tests/lib/stats.rb:9:in `<top (required)>'
        from /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in `require'
        from /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in `require'
        from /root/lkp/lkp-tests/bin/run-local:15:in `<main>'

and that line is:

require 'git'

but I already have ruby git bindings installed.

So how can I run the benchmark directly, without the ruby glue? I
already have a debian partition on this SNB box so I can run it
natively.

Thanks.

-- 
Regards/Gruss,
    Boris.

Good mailing practices for 400: avoid top-posting and trim the reply.