linux-kernel - Re: [RFD] CAT user space interface revisited

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Message-ID: <alpine.DEB.2.11.1512291338250.28591@nanos>
Date:	Tue, 29 Dec 2015 13:44:16 +0100 (CET)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Marcelo Tosatti <mtosatti@...hat.com>
cc:	"Yu, Fenghua" <fenghua.yu@...el.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	"x86@...nel.org" <x86@...nel.org>,
	Luiz Capitulino <lcapitulino@...hat.com>,
	"Shivappa, Vikas" <vikas.shivappa@...el.com>,
	Tejun Heo <tj@...nel.org>,
	"Shankar, Ravi V" <ravi.v.shankar@...el.com>,
	"Luck, Tony" <tony.luck@...el.com>
Subject: Re: [RFD] CAT user space interface revisited

Marcelo,

On Wed, 23 Dec 2015, Marcelo Tosatti wrote:
> On Tue, Dec 22, 2015 at 06:12:05PM +0000, Yu, Fenghua wrote:
> > > From: Thomas Gleixner [mailto:tglx@...utronix.de]
> > >
> > > I was not able to identify any existing infrastructure where this really fits in. I
> > > chose a directory/file based representation. We certainly could do the same
> > 
> > Is this be /sys/devices/system/?
> > Then create qos/cat directory. In the future, other directories may be created
> > e.g. qos/mbm?
> 
> I suppose Thomas is talking about the socketmask only, as discussed in
> the call with Intel.

I have no idea about what you talked in a RH/Intel call.
 
> Thomas, is that correct? (if you want a change in directory structure,
> please explain the whys, because we don't need that change in directory 
> structure).

Can you please start to write coherent and understandable mails? I have no
idea of which directory structure, which does not need to be changed, you are
talking.

I described a directory structure for that qos/cat stuff in my proposal and
that's complete AFAICT.

Thanks,

	tglx
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