From: Steven Rostedt <rostedt@goodmis.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: linux-kernel@vger.kernel.org, Ingo Molnar <mingo@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Juri Lelli <juri.lelli@gmail.com>,
Clark Williams <williams@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [RFC][PATCH 4/4] sched: Add debugfs/sched/deadline_bw file to show current bandwidths
Date: Mon, 1 Feb 2016 17:38:09 -0500 [thread overview]
Message-ID: <20160201173809.3df5c1f3@gandalf.local.home> (raw)
In-Reply-To: <20160201221720.GZ6357@twins.programming.kicks-ass.net>
On Mon, 1 Feb 2016 23:17:20 +0100
Peter Zijlstra <peterz@infradead.org> wrote:
> On Mon, Feb 01, 2016 at 03:26:28PM -0500, Steven Rostedt wrote:
> > From: "Steven Rostedt (Red Hat)" <rostedt@goodmis.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() ?
Because I didn't see that ;-)
That could work, although, Damn there's a lot of info there already.
I'll play with that.
Regardless of this final patch, what do you think of the first three? I
can send them as a separate series, just to get more of the SCHED_DEBUG
code into debug.c.
-- Steve
next prev parent reply other threads:[~2016-02-01 22:38 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-01 20:26 [RFC][PATCH 0/4] sched: Display deadline bandwidth and other SCHED_DEBUG clean up Steven Rostedt
2016-02-01 20:26 ` [RFC][PATCH 1/4] sched: Move sched_feature file setup into debug.c Steven Rostedt
2016-02-01 20:26 ` [RFC][PATCH 2/4] sched: Move sched_domain_sysctl to debug.c Steven Rostedt
2016-02-01 20:26 ` [RFC][PATCH 3/4] sched: Move sched_domain_debug into debug.c Steven Rostedt
2016-02-01 20:26 ` [RFC][PATCH 4/4] sched: Add debugfs/sched/deadline_bw file to show current bandwidths Steven Rostedt
2016-02-01 22:17 ` Peter Zijlstra
2016-02-01 22:38 ` Steven Rostedt [this message]
2016-02-01 22:41 ` Peter Zijlstra
2016-02-03 10:12 ` Ingo Molnar
2016-02-03 13:21 ` Steven Rostedt
2016-02-01 22:18 ` Peter Zijlstra
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