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

From	Fenghua Yu <fenghua.yu@intel.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH] x86/intel_rdt: Add cpus_list rdtgroup file
Date	2017-04-01 04:00 +0200
Message-ID	<trguB-4hQ-3@gated-at.bofh.it> (permalink)
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On Thu, Mar 30, 2017 at 04:59:47PM +0200, Jiri Olsa wrote:
> 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?

Here is a tool created by Marcelo:
https://lwn.net/Articles/710514/

Thanks.

-Fenghua

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

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