From: Ingo Molnar <mingo@elte.hu>
To: Mark_H_Johnson@raytheon.com
Cc: Amit Shah <amit.shah@codito.com>,
Karsten Wiese <annabellesgarden@yahoo.de>,
Bill Huey <bhuey@lnxw.com>, Adam Heath <doogie@debian.org>,
emann@mrv.com, Gunther Persoons <gunther_persoons@spymac.com>,
"K.R. Foley" <kr@cybsft.com>,
linux-kernel@vger.kernel.org,
Florian Schmidt <mista.tapas@gmx.net>,
Fernando Pablo Lopez-Lezcano <nando@ccrma.Stanford.EDU>,
Lee Revell <rlrevell@joe-job.com>,
Rui Nuno Capela <rncbc@rncbc.org>,
Shane Shrybman <shrybman@aei.ca>,
Thomas Gleixner <tglx@linutronix.de>,
Michal Schmidt <xschmi00@stud.feec.vutbr.cz>
Subject: Re: [patch] Real-Time Preemption, -RT-2.6.10-rc1-mm3-V0.7.23
Date: Thu, 11 Nov 2004 12:38:04 +0100 [thread overview]
Message-ID: <20041111113804.GA16645@elte.hu> (raw)
In-Reply-To: <OF2E0C528F.031A66E9-ON86256F48.00609DC6-86256F48.00609DDD@raytheon.com>
* Mark_H_Johnson@raytheon.com <Mark_H_Johnson@raytheon.com> wrote:
> >you have to build another kernel for them. irqs-off and preempt-off
> >timing can be mixed freely (and both can be enabled in the same kernel),
> >but wakeup timing deserves its own .config space and since it's not
> >mixable with the other two methods i didnt see much point in enabling
> >all 3 at once with strange dependencies between them. Is this a big
> >issue? Normally i think the wakeup timing is more than enough to get a
> >feel of latencies, and if something specific is suspected the other ones
> >can be turned on.
>
> Just that it takes an hour or so to rebuild the kernel plus the disk
> storage to keep two kernels instead of one.
ok, i added runtime configurability of the 3 options back, so that you
can build all 3 in and switch between them via the preempt_wakeup_timing
flag. Will be in the next release.
Ingo
next prev parent reply other threads:[~2004-11-11 10:36 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-11-10 17:35 [patch] Real-Time Preemption, -RT-2.6.10-rc1-mm3-V0.7.23 Mark_H_Johnson
2004-11-11 11:38 ` Ingo Molnar [this message]
-- strict thread matches above, loose matches on Subject: below --
2004-11-10 17:31 Mark_H_Johnson
2004-11-10 15:57 Mark_H_Johnson
2004-11-10 17:06 ` Ingo Molnar
2004-11-10 14:51 Mark_H_Johnson
2004-11-11 12:51 ` Ingo Molnar
2004-11-10 14:12 Mark_H_Johnson
2004-11-10 14:08 Mark_H_Johnson
2004-11-10 15:25 ` Ingo Molnar
2004-11-09 21:07 Mark_H_Johnson
2004-11-09 23:20 ` Ingo Molnar
2004-11-09 23:26 ` Ingo Molnar
2004-10-21 13:27 [patch] Real-Time Preemption, -RT-2.6.9-rc4-mm1-U9 Ingo Molnar
2004-10-22 13:35 ` [patch] Real-Time Preemption, -RT-2.6.9-rc4-mm1-U9.3 Ingo Molnar
2004-10-22 15:50 ` [patch] Real-Time Preemption, -RT-2.6.9-mm1-U10 Ingo Molnar
2004-10-22 17:56 ` [patch] Real-Time Preemption, -RT-2.6.9-mm1-U10.2 Ingo Molnar
2004-10-25 10:40 ` [patch] Real-Time Preemption, -RT-2.6.9-mm1-V0 Ingo Molnar
2004-10-27 0:15 ` [patch] Real-Time Preemption, -RT-2.6.9-mm1-V0.3 Ingo Molnar
2004-11-03 10:58 ` [patch] Real-Time Preemption, -RT-2.6.10-rc1-mm2-V0.7.1 Ingo Molnar
2004-11-06 15:57 ` [patch] Real-Time Preemption, -RT-2.6.10-rc1-mm3-V0.7.18 Ingo Molnar
2004-11-08 9:16 ` [patch] Real-Time Preemption, -RT-2.6.10-rc1-mm3-V0.7.19 Ingo Molnar
2004-11-08 16:57 ` [patch] Real-Time Preemption, -RT-2.6.10-rc1-mm3-V0.7.21 Ingo Molnar
2004-11-09 16:05 ` [patch] Real-Time Preemption, -RT-2.6.10-rc1-mm3-V0.7.23 Ingo Molnar
2004-11-10 13:52 ` Karsten Wiese
2004-11-10 13:58 ` Karsten Wiese
2004-11-10 15:01 ` Ingo Molnar
2004-11-10 14:20 ` Karsten Wiese
2004-11-10 14:50 ` Karsten Wiese
2004-11-10 15:33 ` Ingo Molnar
2004-11-11 4:34 ` K.R. Foley
2004-11-11 5:01 ` K.R. Foley
2004-11-11 9:52 ` Ingo Molnar
2004-11-11 10:20 ` Ingo Molnar
2004-11-11 13:05 ` Ingo Molnar
2004-11-11 12:27 ` K.R. Foley
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