Re: [PATCH] sched: Add preempt checks in preempt_schedule() code
From: Peter Zijlstra
Date: Mon Mar 21 2016 - 10:43:05 EST
On Mon, Mar 21, 2016 at 10:35:07AM -0400, Steven Rostedt wrote:
> On Mon, 21 Mar 2016 15:11:45 +0100
> Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
> > So the problem with preempt_enable_trace() is that we just called a
> > _notrace(), and while I now know these are two different trace thingies,
> > I might have forgotten that in a few days.
> What about preempt_latency_start() for the disable, and
> preempt_latency_stop() for the enable? Make it more like a stop watch?
ok that works.