From: Marcelo Tosatti <mtosatti@redhat.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Luiz Capitulino <lcapitulino@redhat.com>,
Thomas Gleixner <tglx@linutronix.de>,
Vikas Shivappa <vikas.shivappa@intel.com>,
Tejun Heo <tj@kernel.org>, Yu Fenghua <fenghua.yu@intel.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH RFC] ioctl based CAT interface
Date: Fri, 13 Nov 2015 15:43:02 -0200 [thread overview]
Message-ID: <20151113174300.GA14726@amt.cnet> (raw)
In-Reply-To: <20151113172740.GA13490@amt.cnet>
On Fri, Nov 13, 2015 at 03:27:40PM -0200, Marcelo Tosatti wrote:
> On Fri, Nov 13, 2015 at 05:51:00PM +0100, Peter Zijlstra wrote:
> > On Fri, Nov 13, 2015 at 02:39:33PM -0200, Marcelo Tosatti wrote:
> > > + * * one tcrid entry can be in different locations
> > > + * in different sockets.
> >
> > NAK on that without cpuset integration.
> >
> > I do not want freely migratable tasks having radically different
> > performance profiles depending on which CPU they land.
>
> Please expand on what "cpuset integration" means, operationally.
> I hope it does not mean "i prefer cgroups as an interface",
> because that does not mean much to me.
>
> So you are saying this should be based on cgroups? Have you seen the
> cgroups proposal and the issues with it, that have been posted?
Subject: cat cgroup interface proposal (non hierarchical) was Re: [PATCH
V15 00/11] x86: Intel Cache
Allocation Technology Support
https://lkml.org/lkml/2015/11/2/700
next prev parent reply other threads:[~2015-11-13 17:43 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-13 16:39 [PATCH RFC] ioctl based CAT interface Marcelo Tosatti
2015-11-13 16:51 ` Peter Zijlstra
2015-11-13 17:27 ` Marcelo Tosatti
2015-11-13 17:43 ` Marcelo Tosatti [this message]
2015-11-16 8:59 ` Peter Zijlstra
2015-11-16 13:03 ` Marcelo Tosatti
2015-11-16 14:42 ` Thomas Gleixner
2015-11-16 19:52 ` Marcelo Tosatti
2015-11-16 15:01 ` Peter Zijlstra
2015-11-16 19:54 ` Marcelo Tosatti
2015-11-16 21:22 ` Marcelo Tosatti
2015-11-13 19:04 ` Luiz Capitulino
2015-11-13 20:22 ` Marcelo Tosatti
2015-11-16 9:03 ` Peter Zijlstra
2015-11-13 17:33 ` Marcelo Tosatti
2015-11-16 9:07 ` Peter Zijlstra
2015-11-16 14:37 ` Marcelo Tosatti
2015-11-16 15:37 ` Peter Zijlstra
2015-11-16 16:18 ` Luiz Capitulino
2015-11-16 16:26 ` Peter Zijlstra
2015-11-16 16:48 ` Luiz Capitulino
2015-11-16 16:39 ` Marcelo Tosatti
2015-11-17 1:01 ` Marcelo Tosatti
2015-11-13 18:01 ` Marcelo Tosatti
2015-11-16 9:09 ` Peter Zijlstra
2015-11-13 19:08 ` Luiz Capitulino
2015-12-03 21:58 ` Pavel Machek
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