linux-kernel - Re: [PATCH 4/7] sched: Add sched_load

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Message-ID: <20190506095239.08577b3e@gandalf.local.home>
Date:   Mon, 6 May 2019 09:52:39 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     Qais Yousef <qais.yousef@....com>, Ingo Molnar <mingo@...hat.com>,
        linux-kernel@...r.kernel.org,
        Pavankumar Kondeti <pkondeti@...eaurora.org>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Uwe Kleine-Konig <u.kleine-koenig@...gutronix.de>
Subject: Re: [PATCH 4/7] sched: Add sched_load_rq tracepoint

On Mon, 6 May 2019 11:08:59 +0200
Peter Zijlstra <peterz@...radead.org> wrote:

> These functions really should be called trace_*()
> 
> Also; I _really_ hate how fat they are. Why can't we do simple straight
> forward things like:
> 
> 	trace_pelt_cfq(cfq);
> 	trace_pelt_rq(rq);
> 	trace_pelt_se(se);
> 
> And then have the thing attached to the event do the fat bits like
> extract the path and whatnot.

I'd like to avoid functions called "trace_*" that are not trace events.
It's getting confusing when I see a "trace_*()" function and then go
look for the corresponding TRACE_EVENT() just to find out that one does
not exist.

 sched_trace_*()  maybe?

-- Steve