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From: Thomas Gleixner <tglx@linutronix.de>
To: David Carrillo-Cisneros <davidcc@google.com>
Cc: Shivappa Vikas <vikas.shivappa@intel.com>,
	Vikas Shivappa <vikas.shivappa@linux.intel.com>,
	Stephane Eranian <eranian@google.com>,
	linux-kernel <linux-kernel@vger.kernel.org>, x86 <x86@kernel.org>,
	hpa@zytor.com, Ingo Molnar <mingo@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	"Shankar, Ravi V" <ravi.v.shankar@intel.com>,
	"Luck, Tony" <tony.luck@intel.com>,
	Fenghua Yu <fenghua.yu@intel.com>,
	andi.kleen@intel.com, "H. Peter Anvin" <h.peter.anvin@intel.com>
Subject: Re: [PATCH 00/12] Cqm2: Intel Cache quality monitoring fixes
Date: Thu, 19 Jan 2017 18:54:25 +0100 (CET)	[thread overview]
Message-ID: <alpine.DEB.2.20.1701191851310.5358@nanos> (raw)
In-Reply-To: <CALcN6mgyXu2Ekqwi+MC24R1X5FVWvG7xcJZH8Ppjh+j+vgm2qg@mail.gmail.com>

On Thu, 19 Jan 2017, David Carrillo-Cisneros wrote:
> A 1:1 mapping between CLOSID/"Resource group" to RMID, as Fenghua suggested
> is very problematic because the number of CLOSIDs is much much smaller than the
> number of RMIDs, and, as Stephane mentioned it's a common use case to want to
> independently monitor many task/cgroups inside an allocation partition.

Again, that was not my intention. I just want to limit the combinations.

> A 1:many mapping of CLOSID to RMIDs may work as a cheap replacement of
> cgroup monitoring but the case where CLOSID changes would be messy. In

CLOSIDs of RDT groups do not change. They are allocated when the group is
created.

Thanks,

	tglx

  reply	other threads:[~2017-01-19 18:45 UTC|newest]

Thread overview: 91+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-01-06 21:59 [PATCH 00/12] Cqm2: Intel Cache quality monitoring fixes Vikas Shivappa
2017-01-06 21:59 ` [PATCH 01/12] Documentation, x86/cqm: Intel Resource Monitoring Documentation Vikas Shivappa
2017-01-06 21:59 ` [PATCH 02/12] x86/cqm: Remove cqm recycling/conflict handling Vikas Shivappa
2017-01-06 21:59 ` [PATCH 03/12] x86/rdt: Add rdt common/cqm compile option Vikas Shivappa
2017-01-16 18:05   ` Thomas Gleixner
2017-01-17 17:25     ` Shivappa Vikas
2017-01-06 21:59 ` [PATCH 04/12] x86/cqm: Add Per pkg rmid support Vikas Shivappa
2017-01-16 18:15   ` [PATCH 04/12] x86/cqm: Add Per pkg rmid support\ Thomas Gleixner
2017-01-17 19:11     ` Shivappa Vikas
2017-01-06 21:59 ` [PATCH 05/12] x86/cqm,perf/core: Cgroup support prepare Vikas Shivappa
2017-01-17 12:11   ` Thomas Gleixner
2017-01-17 12:31     ` Peter Zijlstra
2017-01-18  2:14     ` Shivappa Vikas
2017-01-17 13:46   ` Thomas Gleixner
2017-01-17 20:22     ` Shivappa Vikas
2017-01-17 21:31       ` Thomas Gleixner
2017-01-17 15:26   ` Peter Zijlstra
2017-01-17 20:27     ` Shivappa Vikas
2017-01-06 21:59 ` [PATCH 06/12] x86/cqm: Add cgroup hierarchical monitoring support Vikas Shivappa
2017-01-17 14:07   ` Thomas Gleixner
2017-01-06 22:00 ` [PATCH 07/12] x86/rdt,cqm: Scheduling support update Vikas Shivappa
2017-01-17 21:58   ` Thomas Gleixner
2017-01-17 22:30     ` Shivappa Vikas
2017-01-06 22:00 ` [PATCH 08/12] x86/cqm: Add support for monitoring task and cgroup together Vikas Shivappa
2017-01-17 16:11   ` Thomas Gleixner
2017-01-06 22:00 ` [PATCH 09/12] x86/cqm: Add RMID reuse Vikas Shivappa
2017-01-17 16:59   ` Thomas Gleixner
2017-01-18  0:26     ` Shivappa Vikas
2017-01-06 22:00 ` [PATCH 10/12] perf/core,x86/cqm: Add read for Cgroup events,per pkg reads Vikas Shivappa
2017-01-06 22:00 ` [PATCH 11/12] perf/stat: fix bug in handling events in error state Vikas Shivappa
2017-01-06 22:00 ` [PATCH 12/12] perf/stat: revamp read error handling, snapshot and per_pkg events Vikas Shivappa
2017-01-17 17:31 ` [PATCH 00/12] Cqm2: Intel Cache quality monitoring fixes Thomas Gleixner
2017-01-18  2:38   ` Shivappa Vikas
2017-01-18  8:53     ` Thomas Gleixner
2017-01-18  9:56       ` Peter Zijlstra
2017-01-19 19:59         ` Shivappa Vikas
2017-01-18 19:41       ` Shivappa Vikas
2017-01-18 21:03       ` David Carrillo-Cisneros
2017-01-19 17:41         ` Thomas Gleixner
2017-01-20  7:37           ` David Carrillo-Cisneros
2017-01-20  8:30             ` Thomas Gleixner
2017-01-20 20:27               ` David Carrillo-Cisneros
2017-01-18 21:16       ` Yu, Fenghua
2017-01-19  2:09       ` David Carrillo-Cisneros
2017-01-19 16:58         ` David Carrillo-Cisneros
2017-01-19 17:54           ` Thomas Gleixner [this message]
2017-01-19  2:21       ` Vikas Shivappa
2017-01-19  6:45       ` Stephane Eranian
2017-01-19 18:03         ` Thomas Gleixner
2017-01-20  2:32       ` Vikas Shivappa
2017-01-20  7:58         ` David Carrillo-Cisneros
2017-01-20 13:28           ` Thomas Gleixner
2017-01-20 20:11             ` David Carrillo-Cisneros
2017-01-20 21:08               ` Shivappa Vikas
2017-01-20 21:44                 ` David Carrillo-Cisneros
2017-01-20 23:51                   ` Shivappa Vikas
2017-02-08 10:13                     ` Peter Zijlstra
2017-01-23  9:47               ` Thomas Gleixner
2017-01-23 11:30                 ` Peter Zijlstra
2017-02-01 20:08                 ` Luck, Tony
2017-02-01 23:12                   ` David Carrillo-Cisneros
2017-02-02 17:39                     ` Luck, Tony
2017-02-02 19:33                     ` Luck, Tony
2017-02-02 20:20                       ` Shivappa Vikas
2017-02-02 20:22                       ` David Carrillo-Cisneros
2017-02-02 23:41                         ` Luck, Tony
2017-02-03  1:40                           ` David Carrillo-Cisneros
2017-02-03  2:14                             ` David Carrillo-Cisneros
2017-02-03 17:52                               ` Luck, Tony
2017-02-03 21:08                                 ` David Carrillo-Cisneros
2017-02-03 22:24                                   ` Luck, Tony
2017-02-07  8:08                                 ` Stephane Eranian
2017-02-07 18:52                                   ` Luck, Tony
2017-02-08 19:31                                     ` Stephane Eranian
2017-02-07 20:10                                   ` Shivappa Vikas
2017-02-17 13:41                                   ` Thomas Gleixner
2017-02-06 18:54                     ` Luck, Tony
2017-02-06 21:22                     ` Luck, Tony
2017-02-06 21:36                       ` Shivappa Vikas
2017-02-06 21:46                         ` David Carrillo-Cisneros
2017-02-06 22:16                       ` David Carrillo-Cisneros
2017-02-06 23:27                         ` Luck, Tony
2017-02-07  0:33                           ` David Carrillo-Cisneros
2017-02-02  0:35                   ` Andi Kleen
2017-02-02  1:12                     ` David Carrillo-Cisneros
2017-02-02  1:19                       ` Andi Kleen
2017-02-02  1:22                     ` Yu, Fenghua
2017-02-02 17:51                       ` Shivappa Vikas
2017-02-08 10:11               ` Peter Zijlstra
2017-01-20 20:40           ` Shivappa Vikas
2017-01-20 19:31         ` Stephane Eranian

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