> -----Original Message-----
> From: Metzger, Markus T
> Sent: Thursday, May 31, 2012 7:11 PM

[...]

> > Attached two gdb.log files, of different runs showing different failures.
> 
> In the files you sent me, we do not get the full trace sometimes.
> 
> This might be related to a Linux perf_event feature. The perf_event
> consumer
> is responsible for detecting when there are new records. The tracee is
> scheduled
> out after it notified its ptracer. When it is scheduled out, it may write a
> few more
> trace records. The ptracer may already be running, at this time.

I would mark this a known fail in the test suites until we can fix it.

[...]

Regards,
Markus.