linux-kernel - Re: [perf] 06e0dbcfd3: phoronix-test-suite.mbw.0.mib

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Sun, 27 Oct 2019 09:32:50 -0700
From:   Andi Kleen <andi@...stfloor.org>
To:     kernel test robot <rong.a.chen@...el.com>
Cc:     Peter Zijlstra <peterz@...radead.org>, mingo@...nel.org,
        linux-kernel@...r.kernel.org, acme@...nel.org,
        mark.rutland@....com, alexander.shishkin@...ux.intel.com,
        jolsa@...hat.com, namhyung@...nel.org, andi@...stfloor.org,
        kan.liang@...ux.intel.com, lkp@...ts.01.org
Subject: Re: [perf]  06e0dbcfd3:  phoronix-test-suite.mbw.0.mib_s 12.6%
 improvement

On Sun, Oct 27, 2019 at 01:18:12PM +0800, kernel test robot wrote:
> Greeting,
> 
> FYI, we noticed a 12.6% improvement of phoronix-test-suite.mbw.0.mib_s due to commit:

Wow! Sadly it's a false positive, from lowering perf overhead, instead
of improving the workload. Still seems like a good thing.

Note that there is a perf user tool change coming soon that will likely
improve it even more (using affiity to optimize all perf IPIs).

-Andi