linux-kernel - Re: [PATCH V2 3/3] sched/deadline: Tracepoints for deadline scheduler

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Message-ID: <20160329210343.GP3408@twins.programming.kicks-ass.net>
Date:	Tue, 29 Mar 2016 23:03:43 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Daniel Bristot de Oliveira <bristot@...hat.com>
Cc:	Steven Rostedt <rostedt@...dmis.org>,
	Ingo Molnar <mingo@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Juri Lelli <juri.lelli@....com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>,
	linux-rt-users <linux-rt-users@...r.kernel.org>
Subject: Re: [PATCH V2 3/3] sched/deadline: Tracepoints for deadline scheduler

> And any change on it, now and in the future, will cause confusion for
> 99.999% of raw sched_switch users.

Sod that, this attitude makes me want to rip out all sched tracepoints.

> Without considering those who wrote bad applications that will break,

That's bonus points, right?

I'm seriously annoyed with this hard ABI for tracepoints crap.