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

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Message-ID: <20190506091823.GF2650@hirez.programming.kicks-ass.net>
Date:   Mon, 6 May 2019 11:18:23 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Qais Yousef <qais.yousef@....com>
Cc:     Ingo Molnar <mingo@...hat.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        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, May 06, 2019 at 11:08:59AM +0200, Peter Zijlstra wrote:
> 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.

ARGH, because we don't export any of those data structures (for good
reason).. bah I hate all this.