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From: Thomas Gleixner <tglx@linutronix.de>
To: "Mehlan, Markus" <Markus.Mehlan@ritter.info>
Cc: linux-kernel@vger.kernel.org
Subject: Re: AW: clock_nanosleep: cyclic POSIX thread freezes during time setting
Date: Tue, 6 Oct 2009 11:13:43 +0200 (CEST)	[thread overview]
Message-ID: <alpine.LFD.2.00.0910061112400.2646@localhost.localdomain> (raw)
In-Reply-To: <40F775BBD072A346957E787B3D0DBE5F1C97B4@w2k3-46ex01.RITTER.LOCAL>

On Tue, 6 Oct 2009, Mehlan, Markus wrote:
> > Just tested on a MPC5200 board with cyclictest and setting 
> > date on a second console. Unfortunately I cannot reproduce 
> > that problem. Can you try to activate the function tracer and 
> > capture what the system is doing. That might us give some 
> > clue about the problem.
> > 
> do you mean kernel function trace (KFT patch) with function trace
> or user space "strace"?

The kernel function tracer which is in -rt. strace is not telling us
what's happening in the kernel.

Thanks,

	tglx

  reply	other threads:[~2009-10-06  9:14 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-10-05 13:20 clock_nanosleep: cyclic POSIX thread freezes during time setting Mehlan, Markus
2009-10-05 18:57 ` Thomas Gleixner
2009-10-06  9:00   ` AW: " Mehlan, Markus
2009-10-06  9:13     ` Thomas Gleixner [this message]
2009-10-06  9:56       ` AW: " Mehlan, Markus
2009-10-06 10:04         ` Thomas Gleixner
2009-10-06 10:09           ` AW: " Mehlan, Markus
2009-10-07 14:13           ` Mehlan, Markus

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