Re: [PATCH] x86/intel_rdt: Add cpus_list rdtgroup file

Path	csiph.com!eternal-september.org!feeder.eternal-september.org!aioe.org!bofh.it!news.nic.it!robomod
From	Jiri Olsa <jolsa@redhat.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH] x86/intel_rdt: Add cpus_list rdtgroup file
Date	Thu, 30 Mar 2017 17:10:02 +0200
Message-ID	<tqJS2-8b4-29@gated-at.bofh.it> (permalink)
References	<tqnyb-ea-45@gated-at.bofh.it> <tqoky-T6-23@gated-at.bofh.it> <tqoue-Wy-11@gated-at.bofh.it>
X-Original-To	Fenghua Yu <fenghua.yu@intel.com>
Dmarc-Filter	OpenDMARC Filter v1.3.2 mx1.redhat.com 837B8624B1
Authentication-Results	ext-mx10.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com
Authentication-Results	ext-mx10.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=jolsa@redhat.com
Dkim-Filter	OpenDKIM Filter v2.11.0 mx1.redhat.com 837B8624B1
MIME-Version	1.0
Content-Type	text/plain; charset=us-ascii
Content-Disposition	inline
User-Agent	Mutt/1.8.0 (2017-02-23)
X-Scanned-By	MIMEDefang 2.79 on 10.5.11.14
X-Greylist	Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Thu, 30 Mar 2017 14:59:50 +0000 (UTC)
Sender	robomod@news.nic.it
List-ID	<linux-kernel.vger.kernel.org>
X-Mailing-List	linux-kernel@vger.kernel.org
Approved	robomod@news.nic.it
Lines	23
Organization	linux.* mail to news gateway
X-Original-Cc	Jiri Olsa <jolsa@kernel.org>, Peter Zijlstra <a.p.zijlstra@chello.nl>, Mike Galbraith <efault@gmx.de>, Shaohua Li <shli@fb.com>, lkml <linux-kernel@vger.kernel.org>, Ingo Molnar <mingo@kernel.org>, Peter Zijlstra <peterz@infradead.org>, Thomas Gleixner <tglx@linutronix.de>
X-Original-Date	Thu, 30 Mar 2017 16:59:47 +0200
X-Original-Message-ID	<20170330145947.GA13846@krava>
X-Original-References	<20170329150948.4981-1-jolsa@kernel.org> <20170329160825.GA24537@linux.intel.com> <20170329161600.GA2506@krava>
X-Original-Sender	linux-kernel-owner@vger.kernel.org
Xref	csiph.com linux.kernel:1613154

Show key headers only | View raw

On Wed, Mar 29, 2017 at 06:16:00PM +0200, Jiri Olsa wrote:
> On Wed, Mar 29, 2017 at 09:08:26AM -0700, Fenghua Yu wrote:
> > On Wed, Mar 29, 2017 at 05:09:48PM +0200, Jiri Olsa wrote:
> > > While playing with the resctrl interface I found it much
> > > easier to deal with cpumask list rather than just regular
> > > cpumask.
> > 
> > Could you please explain specifically why and when it's easier
> > to deal with cpumask list? In programming cases, cpumask
> > and cpumask list are almost same. And people are working
> > on higher level tools to control resctrl. The tools can
> > hide detailed regular cpumask or cpumask list and user
> > doesn't need to care lower level format of cpumask. So
> > is it really useful to add cpus_list?
> 
> 
> well I'm not aware about any such tool so I used resctrl
> interface directly, and in that case it was much simpler

is there any tool available for this actualy?

thanks,
jirka

Thread

[PATCH] x86/intel_rdt: Add cpus_list rdtgroup file Jiri Olsa <jolsa@kernel.org> - 2017-03-29 17:20 +0200
  Re: [PATCH] x86/intel_rdt: Add cpus_list rdtgroup file Fenghua Yu <fenghua.yu@intel.com> - 2017-03-29 18:10 +0200
    Re: [PATCH] x86/intel_rdt: Add cpus_list rdtgroup file Jiri Olsa <jolsa@redhat.com> - 2017-03-29 18:20 +0200
      Re: [PATCH] x86/intel_rdt: Add cpus_list rdtgroup file Jiri Olsa <jolsa@redhat.com> - 2017-03-30 17:10 +0200
        Re: [PATCH] x86/intel_rdt: Add cpus_list rdtgroup file Fenghua Yu <fenghua.yu@intel.com> - 2017-04-01 04:00 +0200
    Re: [PATCH] x86/intel_rdt: Add cpus_list rdtgroup file Thomas Gleixner <tglx@linutronix.de> - 2017-03-31 10:50 +0200
      Re: [PATCH] x86/intel_rdt: Add cpus_list rdtgroup file Fenghua Yu <fenghua.yu@intel.com> - 2017-03-31 18:00 +0200
    Re: [PATCH] x86/intel_rdt: Add cpus_list rdtgroup file Thomas Gleixner <tglx@linutronix.de> - 2017-03-31 11:20 +0200
      Re: [PATCH] x86/intel_rdt: Add cpus_list rdtgroup file Fenghua Yu <fenghua.yu@intel.com> - 2017-03-31 17:40 +0200
      Re: [PATCH] x86/intel_rdt: Add cpus_list rdtgroup file Jiri Olsa <jolsa@redhat.com> - 2017-03-31 18:00 +0200
        [PATCHv2] x86/intel_rdt: Add cpus_list rdtgroup file Jiri Olsa <jolsa@redhat.com> - 2017-04-09 18:50 +0200
          Re: [PATCHv2] x86/intel_rdt: Add cpus_list rdtgroup file Fenghua Yu <fenghua.yu@intel.com> - 2017-04-09 19:40 +0200
            [PATCHv3] x86/intel_rdt: Add cpus_list rdtgroup file Jiri Olsa <jolsa@redhat.com> - 2017-04-10 09:50 +0200
              Re: [PATCHv3] x86/intel_rdt: Add cpus_list rdtgroup file Thomas Gleixner <tglx@linutronix.de> - 2017-04-10 11:50 +0200
                [PATCHv4] x86/intel_rdt: Add cpus_list rdtgroup file Jiri Olsa <jolsa@redhat.com> - 2017-04-10 17:00 +0200
            Re: [PATCHv2] x86/intel_rdt: Add cpus_list rdtgroup file Thomas Gleixner <tglx@linutronix.de> - 2017-04-10 11:20 +0200

csiph-web