From: Peter Zijlstra <peterz@infradead.org>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
Ingo Molnar <mingo@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH] sched: Add preempt checks in preempt_schedule() code
Date: Mon, 21 Mar 2016 15:42:55 +0100 [thread overview]
Message-ID: <20160321144255.GX6344@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <20160321103507.3dd01046@gandalf.local.home>
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.
prev parent reply other threads:[~2016-03-21 14:42 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-18 17:06 [PATCH] sched: Add preempt checks in preempt_schedule() code Steven Rostedt
2016-03-19 4:10 ` Boqun Feng
2016-03-19 9:32 ` Boqun Feng
2016-03-21 9:27 ` Peter Zijlstra
2016-03-21 13:29 ` Steven Rostedt
2016-03-21 14:11 ` Peter Zijlstra
2016-03-21 14:35 ` Steven Rostedt
2016-03-21 14:42 ` Peter Zijlstra [this message]
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