From: Luiz Capitulino <lcapitulino@redhat.com>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Marcelo Tosatti <mtosatti@redhat.com>,
LKML <linux-kernel@vger.kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
x86@kernel.org, Vikas Shivappa <vikas.shivappa@intel.com>,
Tejun Heo <tj@kernel.org>, Yu Fenghua <fenghua.yu@intel.com>
Subject: Re: [RFD] CAT user space interface revisited
Date: Thu, 19 Nov 2015 08:44:22 -0500 [thread overview]
Message-ID: <20151119084422.5f80250c@redhat.com> (raw)
In-Reply-To: <alpine.DEB.2.11.1511190911550.3898@nanos>
On Thu, 19 Nov 2015 09:35:34 +0100 (CET)
Thomas Gleixner <tglx@linutronix.de> wrote:
> > Well any work on behalf of the important task, should have its cache
> > protected as well (example irq handling threads).
>
> Right, but that's nothing you can do automatically and certainly not
> from a random application.
Right and that's not a problem. For the use-cases CAT is intended to,
manual and per-workload system setup is very common. Things like
thread pinning, hugepages reservation, CPU isolation, nohz_full, etc
require manual setup too.
next prev parent reply other threads:[~2015-11-19 13:44 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-18 18:25 [RFD] CAT user space interface revisited Thomas Gleixner
2015-11-18 19:38 ` Luiz Capitulino
2015-11-18 19:55 ` Auld, Will
2015-11-18 22:34 ` Marcelo Tosatti
2015-11-19 0:34 ` Marcelo Tosatti
2015-11-19 8:35 ` Thomas Gleixner
2015-11-19 13:44 ` Luiz Capitulino [this message]
2015-11-20 14:15 ` Marcelo Tosatti
2015-11-19 8:11 ` Thomas Gleixner
2015-11-19 0:01 ` Marcelo Tosatti
2015-11-19 1:05 ` Marcelo Tosatti
2015-11-19 9:09 ` Thomas Gleixner
2015-11-19 20:59 ` Marcelo Tosatti
2015-11-20 7:53 ` Thomas Gleixner
2015-11-20 17:51 ` Marcelo Tosatti
2015-11-19 20:30 ` Marcelo Tosatti
2015-11-19 9:07 ` Thomas Gleixner
2015-11-24 8:27 ` Chao Peng
[not found] ` <20151124212543.GA11303@amt.cnet>
2015-11-25 1:29 ` Marcelo Tosatti
2015-11-24 7:31 ` Chao Peng
2015-11-24 23:06 ` Marcelo Tosatti
2015-12-22 18:12 ` Yu, Fenghua
2015-12-23 10:28 ` Marcelo Tosatti
2015-12-29 12:44 ` Thomas Gleixner
2015-12-31 19:22 ` Marcelo Tosatti
2015-12-31 22:30 ` Thomas Gleixner
2016-01-04 17:20 ` Marcelo Tosatti
2016-01-04 17:44 ` Marcelo Tosatti
2016-01-05 23:09 ` Thomas Gleixner
2016-01-06 12:46 ` Marcelo Tosatti
2016-01-06 13:10 ` Tejun Heo
2016-01-08 20:21 ` Thomas Gleixner
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