Groups > linux.kernel > #1361903

Re: [PATCH] sched: Add preempt checks in preempt_schedule() code

From	Peter Zijlstra <peterz@infradead.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH] sched: Add preempt checks in preempt_schedule() code
Date	2016-03-21 15:50 +0100
Message-ID	<rf9jA-76M-23@gated-at.bofh.it> (permalink)
References	<re64q-2I6-7@gated-at.bofh.it> <rf4jU-3xO-17@gated-at.bofh.it> <rf84a-6fl-3@gated-at.bofh.it> <rf8Qy-6S7-21@gated-at.bofh.it> <rf99V-71Q-35@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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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@infradead.org> 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.

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[PATCH] sched: Add preempt checks in preempt_schedule() code Steven Rostedt <rostedt@goodmis.org> - 2016-03-18 18:10 +0100
  Re: [PATCH] sched: Add preempt checks in preempt_schedule() code Boqun Feng <boqun.feng@gmail.com> - 2016-03-19 05:20 +0100
    Re: [PATCH] sched: Add preempt checks in preempt_schedule() code Boqun Feng <boqun.feng@gmail.com> - 2016-03-19 10:40 +0100
  Re: [PATCH] sched: Add preempt checks in preempt_schedule() code Peter Zijlstra <peterz@infradead.org> - 2016-03-21 10:30 +0100
    Re: [PATCH] sched: Add preempt checks in preempt_schedule() code Steven Rostedt <rostedt@goodmis.org> - 2016-03-21 14:30 +0100
      Re: [PATCH] sched: Add preempt checks in preempt_schedule() code Peter Zijlstra <peterz@infradead.org> - 2016-03-21 15:20 +0100
        Re: [PATCH] sched: Add preempt checks in preempt_schedule() code Steven Rostedt <rostedt@goodmis.org> - 2016-03-21 15:40 +0100
          Re: [PATCH] sched: Add preempt checks in preempt_schedule() code Peter Zijlstra <peterz@infradead.org> - 2016-03-21 15:50 +0100

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