From: Fenghua Yu <fenghua.yu@intel.com>
To: Jiri Olsa <jolsa@redhat.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>, 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>
Subject: Re: [PATCH] x86/intel_rdt: Add cpus_list rdtgroup file
Date: Fri, 31 Mar 2017 19:00:49 -0700 [thread overview]
Message-ID: <20170401020048.GF24537@linux.intel.com> (raw)
In-Reply-To: <20170330145947.GA13846@krava>
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
next prev parent reply other threads:[~2017-04-01 1:58 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-29 15:09 [PATCH] x86/intel_rdt: Add cpus_list rdtgroup file Jiri Olsa
2017-03-29 16:08 ` Fenghua Yu
2017-03-29 16:16 ` Jiri Olsa
2017-03-30 14:59 ` Jiri Olsa
2017-04-01 2:00 ` Fenghua Yu [this message]
2017-03-31 8:47 ` Thomas Gleixner
2017-03-31 15:53 ` Fenghua Yu
2017-03-31 9:15 ` Thomas Gleixner
2017-03-31 15:40 ` Fenghua Yu
2017-03-31 15:55 ` Jiri Olsa
2017-04-09 16:49 ` [PATCHv2] " Jiri Olsa
2017-04-09 17:38 ` Fenghua Yu
2017-04-10 7:40 ` [PATCHv3] " Jiri Olsa
2017-04-10 9:45 ` Thomas Gleixner
2017-04-10 14:52 ` [PATCHv4] " Jiri Olsa
2017-04-10 17:16 ` [tip:x86/cpu] " tip-bot for Jiri Olsa
2017-04-10 9:14 ` [PATCHv2] " Thomas Gleixner
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