From: Darren Hart <dvhltc@us.ibm.com>
To: Sitsofe Wheeler <sitsofe@yahoo.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@elte.hu>,
"lkml, " <linux-kernel@vger.kernel.org>
Subject: Re: Dynamically determine if kernel includes CFS Scheduler
Date: Fri, 06 Mar 2009 16:17:47 -0800 [thread overview]
Message-ID: <49B1BD2B.1040500@us.ibm.com> (raw)
In-Reply-To: <20090306230804.GA963@silver.sucs.org>
Sitsofe Wheeler wrote:
> On Fri, Mar 06, 2009 at 03:01:14PM -0800, Darren Hart wrote:
>> So I am of course in agreement with both you and Peter. In this case,
>> the development team of an existing product is trying to move away from
>> heavy use of sched_yield(), and the CFS scheduler provides some
>
> Hmm. The only thing I'll say about checking kernel versions is: do some
> tests/checks with the different enterprise distro kernels. I don't think
> they tend to do big backports any more but if they have that kernel
> version check could become tricky...
Right, excellent point. Regardless of how thing are right now, relying
on the kernel revision is a bad idea for this reason.
--
Darren Hart
IBM Linux Technology Center
Real-Time Linux Team
prev parent reply other threads:[~2009-03-07 0:18 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-06 20:44 Dynamically determine if kernel includes CFS Scheduler Darren Hart
2009-03-06 21:01 ` Peter Zijlstra
2009-03-06 22:53 ` Sitsofe Wheeler
2009-03-06 23:01 ` Darren Hart
2009-03-06 23:08 ` Sitsofe Wheeler
2009-03-07 0:17 ` Darren Hart [this message]
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