On Thu, 20 Feb 2014, Peter Zijlstra wrote: > On Wed, Feb 19, 2014 at 05:34:49PM -0500, Vince Weaver wrote: > > So where would the NMI counter event get disabled? Would it never get > > disabled, just because it's always running and always gets the same fixed > > slot? Why isn't this a problem all the time, not just with corner cases? > > Well it could get another counter assignment I suppose; there's no > guarantee it always ends up in the fixed counter although that's rather > likely. > > > Is somehow n_added getting confused? > > I'd expect worse than a warning if that happened, but who knows. > > You could try with the below; make sure you've got CONFIG_FUNCTION_TRACER=y.
> # cat /debug/tracing/trace | bzip2 -9 > ~/trace.bz2 > > And send that (and look at it of course). attached, it's not very big. Vince
trace.bz2
Description: Binary data
