linux-kernel - Re: [RFC PATCH 4/5] sched/events: Introduce sched

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Message-ID: <28a1712d-a60d-3870-0c2b-2ebe55c9e61b@arm.com>
Date:   Wed, 29 Mar 2017 22:19:30 +0200
From:   Dietmar Eggemann <dietmar.eggemann@....com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     Ingo Molnar <mingo@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Matt Fleming <matt@...eblueprint.co.uk>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Morten Rasmussen <morten.rasmussen@....com>,
        Juri Lelli <juri.lelli@....com>,
        Patrick Bellasi <patrick.bellasi@....com>
Subject: Re: [RFC PATCH 4/5] sched/events: Introduce sched_entity load
 tracking trace event

On 03/28/2017 06:41 PM, Peter Zijlstra wrote:
> On Tue, Mar 28, 2017 at 04:13:45PM +0200, Dietmar Eggemann wrote:
>
>> Do you think that making them public in include/linux/sched.h is the way to
>> go?
>
> No; all that stuff should really stay private. tracepoints are a very
> bad reason to leak this stuff.

Understood & makes sense to me. In hindsight, it's not too complicated 
to code group_cfs_rq in include/trace/events/sched.h.