On Thu, 16 Jan 2014 12:18:24 -0500 Steven Rostedt <rostedt@xxxxxxxxxxx> wrote: > > Back in the original real-time patch there was a nice debug feature > that tracked where preemption was disabled and not matched by a preempt > enable. This information made debugging scheduling while atomic much > easier, especially when a function was buried in a function chain > that happened just before the schedule. For example: > > Although this bug does not happen often, this feature is extremely helpful > when it does. I decided to take Ingo's code, which was just written for > debugging the -rt patch, and clean it up for something that is suitable > for mainline. > Hmm, I rewrote this prologue a few times, and even though patch 2 states this, I want to make it clear that the original feature, that this is based on, was written by Ingo Molnar. I had it clear in my original version of the prologue, but somehow it was deleted. -- Steve -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
