From: Thomas Gleixner <tglx@linutronix.de>
To: Fenghua Yu <fenghua.yu@intel.com>
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>
Subject: Re: [PATCH] x86/intel_rdt: Add cpus_list rdtgroup file
Date: Fri, 31 Mar 2017 10:47:52 +0200 (CEST) [thread overview]
Message-ID: <alpine.DEB.2.20.1703311046030.1780@nanos> (raw)
In-Reply-To: <20170329160825.GA24537@linux.intel.com>
On Wed, 29 Mar 2017, 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?
Yes, because a lot of people including me do not care about these tools at
all. Making it easy to read and write from the command line is the first
thing to do.
Thanks,
tglx
next prev parent reply other threads:[~2017-03-31 8:48 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
2017-03-31 8:47 ` Thomas Gleixner [this message]
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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