From: Ingo Molnar <mingo@elte.hu>
To: Darren Hart <darren@dvhart.com>
Cc: linux-kernel@vger.kernel.org,
Thomas Gleixner <tglx@linutronix.de>,
"Stultz, John" <johnstul@us.ibm.com>,
Peter Williams <pwil3058@bigpond.net.au>,
"Siddha, Suresh B" <suresh.b.siddha@intel.com>,
Nick Piggin <nickpiggin@yahoo.com.au>
Subject: Re: RT task scheduling
Date: Sun, 9 Apr 2006 15:16:49 +0200 [thread overview]
Message-ID: <20060409131649.GA19082@elte.hu> (raw)
In-Reply-To: <200604052025.05679.darren@dvhart.com>
* Darren Hart <darren@dvhart.com> wrote:
> My last mail specifically addresses preempt-rt, but I'd like to know
> people's thoughts regarding this issue in the mainline kernel. Please
> see my previous post "realtime-preempt scheduling - rt_overload
> behavior" for a testcase that produces unpredictable scheduling
> results.
thanks for the testcase! It indeed triggered a bug in the -rt tree's
"RT-overload" balancing feature. The nature of the bug made it trigger
much less likely on 2-way boxes (where i do most of my -rt testing),
probably that's why it didnt get discovered before. I've uploaded the
-rt14 tree with this bug fixed - does it fix the failures for you?
Ingo
next prev parent reply other threads:[~2006-04-09 13:19 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-06 3:25 RT task scheduling Darren Hart
2006-04-06 4:19 ` Peter Williams
2006-04-06 17:24 ` Darren Hart
2006-04-06 23:02 ` Peter Williams
2006-04-06 7:37 ` Ingo Molnar
2006-04-06 14:55 ` Darren Hart
2006-04-06 18:16 ` Darren Hart
2006-04-06 22:35 ` Darren Hart
2006-04-07 22:58 ` Vernon Mauery
2006-04-06 23:06 ` Peter Williams
2006-04-07 3:07 ` Bill Huey
2006-04-07 7:11 ` Ingo Molnar
2006-04-07 8:39 ` Bill Huey
2006-04-07 9:11 ` Bill Huey
2006-04-07 9:19 ` Ingo Molnar
2006-04-07 10:39 ` Bill Huey
2006-04-07 10:51 ` Ingo Molnar
2006-04-07 11:14 ` Bill Huey
2006-04-07 11:29 ` Ingo Molnar
2006-04-07 22:18 ` Bill Huey
2006-04-07 14:56 ` Darren Hart
2006-04-07 21:06 ` Bill Huey
2006-04-07 22:37 ` Darren Hart
2006-04-07 23:36 ` Bill Huey
2006-04-08 3:01 ` Steven Rostedt
2006-04-08 4:28 ` Vernon Mauery
2006-04-08 4:45 ` Steven Rostedt
2006-04-08 7:16 ` Ingo Molnar
2006-04-08 7:25 ` Ingo Molnar
2006-04-08 7:54 ` Bill Huey
2006-04-08 8:03 ` Ingo Molnar
2006-04-08 10:02 ` Bill Huey
2006-04-08 0:11 ` Peter Williams
2006-04-07 9:23 ` Bill Huey
2006-04-09 13:16 ` Ingo Molnar [this message]
2006-04-09 17:25 ` Darren Hart
2006-04-09 18:31 ` Ingo Molnar
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