Re: AW: clock_nanosleep: cyclic POSIX thread freezes during timesetting

From: Thomas Gleixner
Date: Tue Oct 06 2009 - 05:15:16 EST


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
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