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From: emann@mrv.com (Eran Mann)
To: Ingo Molnar <mingo@elte.hu>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [patch] Real-Time Preemption, -RT-2.6.10-rc2-mm2-V0.7.32-2
Date: Tue, 07 Dec 2004 19:51:45 +0200	[thread overview]
Message-ID: <41B5EDB1.4040708@mrv.com> (raw)
In-Reply-To: <20041207153720.GA20712@elte.hu>

Ingo Molnar wrote:
> * Eran Mann <emann@mrv.com> wrote:
> 
> 
>>On my machine, disabling CONFIG_LATENCY_TRACE causes the kernel to
>>stop reporting preempt latencies. After
>>
>># echo 1 > /proc/sys/kernel/preempt_max_latency
>>
>>/proc/sys/kernel/preempt_max_latency always shows 1 no matter what
>>load is on the machine. I´ve seen this behavior since the first time I
>>tried to disable CONFIG_LATENCY_TRACE, around V0.7.31.something.
> 
> indeed - there was a thinko in trace_stop_sched_switched() that likely
> caused this problem. Does the -32-8 patch (freshly uploaded) work better
> for you?
> 
> 	Ingo

V0.7.32-9 works fine. Thanks.
	Eran.

  reply	other threads:[~2004-12-07 17:52 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <OFD07DEEA4.7C243C76-ON86256F5F.007976EC@raytheon.com>
     [not found] ` <20041204175636.GA3115@elte.hu>
2004-12-07 14:37   ` [patch] Real-Time Preemption, -RT-2.6.10-rc2-mm2-V0.7.32-2 Eran Mann
2004-12-07 15:37     ` Ingo Molnar
2004-12-07 17:51       ` Eran Mann [this message]
2004-12-07 18:40       ` Gene Heskett
2004-12-07 21:47         ` Ingo Molnar
2004-12-08  1:05           ` Gene Heskett
2004-12-08 19:48             ` john cooper
2004-12-08 20:38               ` Gene Heskett

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