Re: 2.6.14-rt1: oprofile doesn't work anymore

[Lee Revell]

(replying to a very old thread)

On Sun, 2005-11-06 at 13:45 -0500, Lee Revell wrote:
> On Thu, 2005-11-03 at 18:22 -0500, Lee Revell wrote:
> > I just tested this with oprofile both built into the kernel and as a
> > module, and with oprofile userspace tools 0.9.1 and from CVS.  No
> > change.  I have verified that /dev/oprofile is mounted.  It looks like
> > the profiler never sees any samples.
> > 
> > rlrevell@mindpipe:~$ cat /dev/oprofile/stats/cpu0/sample_received 
> > 0
> > 
> > Could one of the ktimers changes have broken the timer interrupt based
> > profiling?
> 
> I have verified that oprofile does work with 2.6.14.  So the breakage is
> unique to the -rt kernel.

Ingo,

oprofile still does not work with the -rt kernel (verified with
2.6.16-rt20).

Can anyone else reproduce this?

Lee



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