From: Frederic Weisbecker <fweisbec@xxxxxxxxx> Date: Sat, 17 Apr 2010 19:22:21 +0200 > This looks like the true cause. > > I tested the following patch and it fixes the issue after several > manual loops of: > > echo function_graph > current_tracer > echo nop > current_tracer > > > Before it was triggering after two trials. Now it doesn't happen > after 10 iterations. > > I'm going to hunt the culprit that causes this, we certainly need > a new __notrace somewhere. Hmmm, interesting... and see my other email about how my per-cpu traces with the non-graph tracer look corrupted when that hrtimer timeout triggers.... Let me know where this __notrace marker is needed though, sounds interesting! -- To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html