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Re: [RFC][PATCH 4/4] sched: Add debugfs/sched/deadline_bw file to show current bandwidths

From Steven Rostedt <rostedt@goodmis.org>
Newsgroups linux.kernel
Subject Re: [RFC][PATCH 4/4] sched: Add debugfs/sched/deadline_bw file to show current bandwidths
Date 2016-02-01 23:40 +0100
Message-ID <qXviy-17S-25@gated-at.bofh.it> (permalink)
References <qXtgK-8eB-7@gated-at.bofh.it> <qXtqq-8iB-13@gated-at.bofh.it> <qXuZb-112-3@gated-at.bofh.it>
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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

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Thread

[RFC][PATCH 0/4] sched: Display deadline bandwidth and other SCHED_DEBUG clean up Steven Rostedt <rostedt@goodmis.org> - 2016-02-01 21:30 +0100
  [RFC][PATCH 1/4] sched: Move sched_feature file setup into debug.c Steven Rostedt <rostedt@goodmis.org> - 2016-02-01 21:40 +0100
  [RFC][PATCH 4/4] sched: Add debugfs/sched/deadline_bw file to show current bandwidths Steven Rostedt <rostedt@goodmis.org> - 2016-02-01 21:40 +0100
    Re: [RFC][PATCH 4/4] sched: Add debugfs/sched/deadline_bw file to  show current bandwidths Peter Zijlstra <peterz@infradead.org> - 2016-02-01 23:20 +0100
      Re: [RFC][PATCH 4/4] sched: Add debugfs/sched/deadline_bw file to  show current bandwidths Steven Rostedt <rostedt@goodmis.org> - 2016-02-01 23:40 +0100
        Re: [RFC][PATCH 4/4] sched: Add debugfs/sched/deadline_bw file to  show current bandwidths Peter Zijlstra <peterz@infradead.org> - 2016-02-01 23:50 +0100
          Re: [RFC][PATCH 4/4] sched: Add debugfs/sched/deadline_bw file to  show current bandwidths Ingo Molnar <mingo@kernel.org> - 2016-02-03 11:20 +0100
            Re: [RFC][PATCH 4/4] sched: Add debugfs/sched/deadline_bw file to  show current bandwidths Steven Rostedt <rostedt@goodmis.org> - 2016-02-03 14:30 +0100
    Re: [RFC][PATCH 4/4] sched: Add debugfs/sched/deadline_bw file to  show current bandwidths Peter Zijlstra <peterz@infradead.org> - 2016-02-01 23:20 +0100
  [RFC][PATCH 2/4] sched: Move sched_domain_sysctl to debug.c Steven Rostedt <rostedt@goodmis.org> - 2016-02-01 21:40 +0100
  [RFC][PATCH 3/4] sched: Move sched_domain_debug into debug.c Steven Rostedt <rostedt@goodmis.org> - 2016-02-01 21:40 +0100

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