linux-kernel - Re: [RFC][PATCH 4/4] sched: Add debugfs/sched/deadline

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Message-ID: <20160201221720.GZ6357@twins.programming.kicks-ass.net>
Date:	Mon, 1 Feb 2016 23:17:20 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Juri Lelli <juri.lelli@...il.com>,
	Clark Williams <williams@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [RFC][PATCH 4/4] sched: Add debugfs/sched/deadline_bw file to
 show current bandwidths

On Mon, Feb 01, 2016 at 03:26:28PM -0500, Steven Rostedt wrote:
> From: "Steven Rostedt (Red Hat)" <rostedt@...dmis.org>
> 
> Add a /sys/kernel/debug/sched directory and place a deadline_bw file there
> that shows the current bandwidths of the CPUs for SCHED_DEADLINE tasks.
> 
>   # cat /sys/kernel/debug/sched/deadline_bw
>   CPU[0]:
>     bw:       996147
>     total_bw: 0
>   CPU[1]:
>     bw:       996147
>     total_bw: 0
>   CPU[2]:
>     bw:       996147
>     total_bw: 0
>   CPU[3]:
>     bw:       996147
>     total_bw: 0
>   CPU[4]:
>     bw:       996147
>     total_bw: 0
>   CPU[5]:
>     bw:       996147
>     total_bw: 0
>   CPU[6]:
>     bw:       996147
>     total_bw: 0
>   CPU[7]:
>     bw:       996147
>     total_bw: 0

Why not add this to print_dl_rq() ?