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Message-ID: <20120924155259.GB23478@x1.osrc.amd.com> Date: Mon, 24 Sep 2012 17:53:01 +0200 From: Borislav Petkov <bp@...en8.de> To: Nikolay Ulyanitsky <lystor@...il.com> Cc: linux-kernel@...r.kernel.org, Mike Galbraith <efault@....de>, Andreas Herrmann <andreas.herrmann3@....com>, Peter Zijlstra <a.p.zijlstra@...llo.nl>, Linus Torvalds <torvalds@...ux-foundation.org>, Andrew Morton <akpm@...ux-foundation.org>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...nel.org> Subject: Re: 20% performance drop on PostgreSQL 9.2 from kernel 3.5.3 to 3.6-rc5 on AMD chipsets - bisected On Mon, Sep 24, 2012 at 06:23:37PM +0300, Nikolay Ulyanitsky wrote: > On 24 September 2012 18:00, Mel Gorman <mgorman@...e.de> wrote: > > Reverting Mike's patch might fix this Postgres regression but it reintroduces the overhead caused > > by commit 4dcfe102 for other cases. > > I just tested pgbench on kernel 3.6-rc7. > There is no performance regression between 3.5.3 and 3.6-rc7 on AMD X6. Yes, what I'm seeing here too. Thanks for testing. Just one thing, please hit reply-to-all when you reply to the thread so that everybody can get your mail. I'm readding them for now. Thanks. -- Regards/Gruss, Boris. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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