From: Sven-Thorsten Dietrich <thebigcorporation@gmail.com>
To: Xianghua Xiao <xiaoxianghua@gmail.com>
Cc: Eric W Anderson <Eric.Anderson@colorado.edu>,
linux-rt-users@vger.kernel.org
Subject: Re: At a loss: Kernel 2.6.19-rt15 with ixp425
Date: Wed, 09 Jun 2010 19:25:22 -0700 [thread overview]
Message-ID: <1276136722.4686.1.camel@sven.thebigcorporation.com> (raw)
In-Reply-To: <AANLkTindPmnb9Ct6G36drF-FrV8OmU9T5WIjJTHOAo3a@mail.gmail.com>
On Wed, 2010-06-09 at 13:50 -0500, Xianghua Xiao wrote:
> while upgrading to newer kernel sounds great, which I just did(from
> 2.6.18rt to 2.6.33rt), the newer kernel sometimes does not perform as
> well as older ones(plus it's also bloated), esp in embedded products.
> In my case, we got a slower product with the newer kernel, the 'worse'
> performance happened immediately when CFS was added. Even after a long
> time debugging and tweaking, it's still there.
>
> xianghua
I am sure if you provided some specific code or performance data to
substantiate that regression someone here (or on LKML) would take
interest.
Regards
Sven
prev parent reply other threads:[~2010-06-10 2:25 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-08 18:17 At a loss: Kernel 2.6.19-rt15 with ixp425 Eric W Anderson
2010-06-08 18:37 ` Sven-Thorsten Dietrich
2010-06-08 19:32 ` Eric W Anderson
2010-06-09 17:02 ` Sven-Thorsten Dietrich
2010-06-09 18:50 ` Xianghua Xiao
2010-06-10 2:25 ` Sven-Thorsten Dietrich [this message]
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